1 /*
   2  * mr_sas.c: source for mr_sas driver
   3  *
   4  * Solaris MegaRAID device driver for SAS2.0 controllers
   5  * Copyright (c) 2008-2012, LSI Logic Corporation.
   6  * All rights reserved.
   7  *
   8  * Version:
   9  * Author:
  10  *              Swaminathan K S
  11  *              Arun Chandrashekhar
  12  *              Manju R
  13  *              Rasheed
  14  *              Shakeel Bukhari
  15  */
  16 
  17 #include <sys/types.h>
  18 #include <sys/param.h>
  19 #include <sys/file.h>
  20 #include <sys/errno.h>
  21 #include <sys/open.h>
  22 #include <sys/cred.h>
  23 #include <sys/modctl.h>
  24 #include <sys/conf.h>
  25 #include <sys/devops.h>
  26 #include <sys/cmn_err.h>
  27 #include <sys/kmem.h>
  28 #include <sys/stat.h>
  29 #include <sys/mkdev.h>
  30 #include <sys/pci.h>
  31 #include <sys/scsi/scsi.h>
  32 #include <sys/ddi.h>
  33 #include <sys/sunddi.h>
  34 #include <sys/atomic.h>
  35 #include <sys/signal.h>
  36 #include <sys/byteorder.h>
  37 #include <sys/sdt.h>
  38 #include <sys/fs/dv_node.h>       /* devfs_clean */
  39 
  40 #include "mr_sas.h"
  41 
  42 /*
  43  * Local static data
  44  */
  45 static void     *mrsas_state = NULL;
  46 static volatile boolean_t       mrsas_relaxed_ordering = 0;
  47 volatile int    debug_level_g = CL_NONE;
  48 
  49 static volatile int     msi_enable = 1;
  50 
  51 /* Default Timeout value to issue online controller reset */
  52 volatile int  debug_timeout_g  = 0xF0;          //0xB4;
  53 /* Simulate consecutive firmware fault */
  54 static volatile int  debug_fw_faults_after_ocr_g  = 0;
  55 #ifdef OCRDEBUG
  56 /* Simulate three consecutive timeout for an IO */
  57 static volatile int  debug_consecutive_timeout_after_ocr_g  = 0;
  58 #endif
  59 
  60 /* Enable OCR on firmware fault */
  61 static volatile int  debug_support_ocr_isr_g  = 0;
  62 #pragma weak scsi_hba_open
  63 #pragma weak scsi_hba_close
  64 #pragma weak scsi_hba_ioctl
  65 
  66 
  67 
  68 static struct mrsas_function_template mrsas_function_template_ppc = {
  69         .read_fw_status_reg = read_fw_status_reg_ppc,
  70         .issue_cmd = issue_cmd_ppc,
  71         .issue_cmd_in_sync_mode = issue_cmd_in_sync_mode_ppc,
  72         .issue_cmd_in_poll_mode = issue_cmd_in_poll_mode_ppc,
  73         .enable_intr = enable_intr_ppc,
  74         .disable_intr = disable_intr_ppc,
  75         .intr_ack = intr_ack_ppc,
  76         .init_adapter = mrsas_init_adapter_ppc
  77 //      .reset_adapter = mrsas_reset_adapter_ppc
  78 };
  79 
  80 
  81 static struct mrsas_function_template mrsas_function_template_fusion = {
  82         .read_fw_status_reg = tbolt_read_fw_status_reg,
  83         .issue_cmd = tbolt_issue_cmd,
  84         .issue_cmd_in_sync_mode = tbolt_issue_cmd_in_sync_mode,
  85         .issue_cmd_in_poll_mode = tbolt_issue_cmd_in_poll_mode,
  86         .enable_intr = tbolt_enable_intr,
  87         .disable_intr = tbolt_disable_intr,
  88         .intr_ack = tbolt_intr_ack,
  89         .init_adapter = mrsas_init_adapter_tbolt
  90 //      .reset_adapter = mrsas_reset_adapter_tbolt
  91 };
  92 
  93 
  94 ddi_dma_attr_t mrsas_generic_dma_attr = {
  95         DMA_ATTR_V0,            /* dma_attr_version */
  96         0,                      /* low DMA address range */
  97         0xFFFFFFFFU,            /* high DMA address range */
  98         0xFFFFFFFFU,            /* DMA counter register  */
  99         8,                      /* DMA address alignment */
 100         0x07,                   /* DMA burstsizes  */
 101         1,                      /* min DMA size */
 102         0xFFFFFFFFU,            /* max DMA size */
 103         0xFFFFFFFFU,            /* segment boundary */
 104         MRSAS_MAX_SGE_CNT,      /* dma_attr_sglen */
 105         512,                    /* granularity of device */
 106         0                       /* bus specific DMA flags */
 107 };
 108 
 109 int32_t mrsas_max_cap_maxxfer = 0x1000000;
 110 
 111 //Fix for: Thunderbolt controller IO timeout when IO write size is 1MEG, Limit size to 256K
 112 uint32_t mrsas_tbolt_max_cap_maxxfer = (512 * 512);
 113 
 114 /*
 115  * cb_ops contains base level routines
 116  */
 117 static struct cb_ops mrsas_cb_ops = {
 118         mrsas_open,             /* open */
 119         mrsas_close,            /* close */
 120         nodev,                  /* strategy */
 121         nodev,                  /* print */
 122         nodev,                  /* dump */
 123         nodev,                  /* read */
 124         nodev,                  /* write */
 125         mrsas_ioctl,            /* ioctl */
 126         nodev,                  /* devmap */
 127         nodev,                  /* mmap */
 128         nodev,                  /* segmap */
 129         nochpoll,               /* poll */
 130         nodev,                  /* cb_prop_op */
 131         0,                      /* streamtab  */
 132         D_NEW | D_HOTPLUG,      /* cb_flag */
 133         CB_REV,                 /* cb_rev */
 134         nodev,                  /* cb_aread */
 135         nodev                   /* cb_awrite */
 136 };
 137 
 138 /*
 139  * dev_ops contains configuration routines
 140  */
 141 static struct dev_ops mrsas_ops = {
 142         DEVO_REV,               /* rev, */
 143         0,                      /* refcnt */
 144         mrsas_getinfo,          /* getinfo */
 145         nulldev,                /* identify */
 146         nulldev,                /* probe */
 147         mrsas_attach,           /* attach */
 148         mrsas_detach,           /* detach */
 149 #if defined(__SunOS_5_11)
 150         nodev,
 151 #else
 152         mrsas_reset,            /* reset */
 153 #endif  /* defined(__SunOS_5_11) */
 154         &mrsas_cb_ops,              /* char/block ops */
 155         NULL,                   /* bus ops */
 156         NULL,                   /* power */
 157 #ifdef __SunOS_5_11
 158         mrsas_quiesce   /* quiesce */
 159 #endif /*__SunOS_5_11 */
 160 
 161 };
 162 
 163 char _depends_on[] = "misc/scsi";
 164 
 165 static struct modldrv modldrv = {
 166         &mod_driverops,             /* module type - driver */
 167         MRSAS_VERSION,
 168         &mrsas_ops,         /* driver ops */
 169 };
 170 
 171 static struct modlinkage modlinkage = {
 172         MODREV_1,       /* ml_rev - must be MODREV_1 */
 173         &modldrv,   /* ml_linkage */
 174         NULL            /* end of driver linkage */
 175 };
 176 
 177 static struct ddi_device_acc_attr endian_attr = {
 178         DDI_DEVICE_ATTR_V1,
 179         DDI_STRUCTURE_LE_ACC,
 180         DDI_STRICTORDER_ACC,
 181         DDI_DEFAULT_ACC
 182 };
 183 
 184 
 185 unsigned int enable_fp = 1;
 186 
 187 
 188 /*
 189  * ************************************************************************** *
 190  *                                                                            *
 191  *         common entry points - for loadable kernel modules                  *
 192  *                                                                            *
 193  * ************************************************************************** *
 194  */
 195 
 196 /*
 197  * _init - initialize a loadable module
 198  * @void
 199  *
 200  * The driver should perform any one-time resource allocation or data
 201  * initialization during driver loading in _init(). For example, the driver
 202  * should initialize any mutexes global to the driver in this routine.
 203  * The driver should not, however, use _init() to allocate or initialize
 204  * anything that has to do with a particular instance of the device.
 205  * Per-instance initialization must be done in attach().
 206  */
 207 int
 208 _init(void)
 209 {
 210         int ret;
 211 
 212         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
 213 
 214         ret = ddi_soft_state_init(&mrsas_state,
 215             sizeof (struct mrsas_instance), 0);
 216 
 217         if (ret != DDI_SUCCESS) {
 218                 cmn_err(CE_WARN, "mr_sas: could not init state");
 219                 return (ret);
 220         }
 221 
 222         if ((ret = scsi_hba_init(&modlinkage)) != DDI_SUCCESS) {
 223                 cmn_err(CE_WARN, "mr_sas: could not init scsi hba");
 224                 ddi_soft_state_fini(&mrsas_state);
 225                 return (ret);
 226         }
 227 
 228         ret = mod_install(&modlinkage);
 229 
 230         if (ret != DDI_SUCCESS) {
 231                 cmn_err(CE_WARN, "mr_sas: mod_install failed");
 232                 scsi_hba_fini(&modlinkage);
 233                 ddi_soft_state_fini(&mrsas_state);
 234         }
 235 
 236         return (ret);
 237 }
 238 
 239 /*
 240  * _info - returns information about a loadable module.
 241  * @void
 242  *
 243  * _info() is called to return module information. This is a typical entry
 244  * point that does predefined role. It simply calls mod_info().
 245  */
 246 int
 247 _info(struct modinfo *modinfop)
 248 {
 249         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
 250 
 251         return (mod_info(&modlinkage, modinfop));
 252 }
 253 
 254 /*
 255  * _fini - prepare a loadable module for unloading
 256  * @void
 257  *
 258  * In _fini(), the driver should release any resources that were allocated in
 259  * _init(). The driver must remove itself from the system module list.
 260  */
 261 int
 262 _fini(void)
 263 {
 264         int ret;
 265 
 266         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
 267 
 268         if ((ret = mod_remove(&modlinkage)) != DDI_SUCCESS)
 269         {
 270                 con_log(CL_ANN1, (CE_WARN, "_fini: mod_remove() failed, error 0x%X", ret));
 271                 return (ret);
 272         }
 273 
 274         scsi_hba_fini(&modlinkage);
 275         con_log(CL_DLEVEL1, (CE_NOTE, "_fini: scsi_hba_fini() done."));
 276 
 277         ddi_soft_state_fini(&mrsas_state);
 278         con_log(CL_DLEVEL1, (CE_NOTE, "_fini: ddi_soft_state_fini() done."));
 279 
 280         return (ret);
 281 }
 282 
 283 
 284 /*
 285  * ************************************************************************** *
 286  *                                                                            *
 287  *               common entry points - for autoconfiguration                  *
 288  *                                                                            *
 289  * ************************************************************************** *
 290  */
 291 /*
 292  * attach - adds a device to the system as part of initialization
 293  * @dip:
 294  * @cmd:
 295  *
 296  * The kernel calls a driver's attach() entry point to attach an instance of
 297  * a device (for MegaRAID, it is instance of a controller) or to resume
 298  * operation for an instance of a device that has been suspended or has been
 299  * shut down by the power management framework
 300  * The attach() entry point typically includes the following types of
 301  * processing:
 302  * - allocate a soft-state structure for the device instance (for MegaRAID,
 303  *   controller instance)
 304  * - initialize per-instance mutexes
 305  * - initialize condition variables
 306  * - register the device's interrupts (for MegaRAID, controller's interrupts)
 307  * - map the registers and memory of the device instance (for MegaRAID,
 308  *   controller instance)
 309  * - create minor device nodes for the device instance (for MegaRAID,
 310  *   controller instance)
 311  * - report that the device instance (for MegaRAID, controller instance) has
 312  *   attached
 313  */
 314 #if       __SunOS_5_11
 315 #define   DDI_PM_RESUME DDI_PM_RESUME_OBSOLETE
 316 #define   DDI_PM_SUSPEND DDI_PM_SUSPEND_OBSOLETE
 317 #endif // __SunOS_5_11
 318 static int
 319 mrsas_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
 320 {
 321         int             instance_no;
 322         int             nregs;
 323         int             i = 0;
 324         uint8_t         irq;
 325         uint16_t        vendor_id;
 326         uint16_t        device_id;
 327         uint16_t        subsysvid;
 328         uint16_t        subsysid;
 329         uint16_t        command;
 330         off_t           reglength = 0;
 331         int             intr_types = 0;
 332         char            *data;
 333 
 334         scsi_hba_tran_t         *tran;
 335         ddi_dma_attr_t  tran_dma_attr;
 336         struct mrsas_instance   *instance;
 337 
 338         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
 339 
 340         /* CONSTCOND */
 341         ASSERT(NO_COMPETING_THREADS);
 342 
 343         instance_no = ddi_get_instance(dip);
 344 
 345         /*
 346          * check to see whether this device is in a DMA-capable slot.
 347          */
 348         if (ddi_slaveonly(dip) == DDI_SUCCESS) {
 349                 cmn_err(CE_WARN,
 350                     "mr_sas%d: Device in slave-only slot, unused",
 351                     instance_no);
 352                 return (DDI_FAILURE);
 353         }
 354 
 355         switch (cmd) {
 356                 case DDI_ATTACH:
 357 
 358                         /* allocate the soft state for the instance */
 359                         if (ddi_soft_state_zalloc(mrsas_state, instance_no)
 360                             != DDI_SUCCESS) {
 361                                 cmn_err(CE_WARN,
 362                                     "mr_sas%d: Failed to allocate soft state",
 363                                     instance_no);
 364 
 365                                 return (DDI_FAILURE);
 366                         }
 367 
 368                         instance = (struct mrsas_instance *)ddi_get_soft_state
 369                             (mrsas_state, instance_no);
 370 
 371                         if (instance == NULL) {
 372                                 cmn_err(CE_WARN,
 373                                     "mr_sas%d: Bad soft state", instance_no);
 374 
 375                                 ddi_soft_state_free(mrsas_state, instance_no);
 376 
 377                                 return (DDI_FAILURE);
 378                         }
 379 
 380                         bzero((caddr_t)instance,
 381                             sizeof (struct mrsas_instance));
 382 
 383                         instance->unroll.softs  = 1;
 384 
 385                         /* Setup the PCI configuration space handles */
 386                         if (pci_config_setup(dip, &instance->pci_handle) !=
 387                             DDI_SUCCESS) {
 388                                 cmn_err(CE_WARN,
 389                                     "mr_sas%d: pci config setup failed ",
 390                                     instance_no);
 391 
 392                                 ddi_soft_state_free(mrsas_state, instance_no);
 393                                 return (DDI_FAILURE);
 394                         }
 395                         if (instance->pci_handle == NULL) {
 396                                 cmn_err(CE_WARN,
 397                                     "mr_sas%d: pci config setup failed ",
 398                                     instance_no);
 399                                 ddi_soft_state_free(mrsas_state, instance_no);
 400                                 return (DDI_FAILURE);
 401                         }
 402 
 403 
 404 
 405                         if (ddi_dev_nregs(dip, &nregs) != DDI_SUCCESS) {
 406                                 cmn_err(CE_WARN,
 407                                     "mr_sas: failed to get registers.");
 408 
 409                                 pci_config_teardown(&instance->pci_handle);
 410                                 ddi_soft_state_free(mrsas_state, instance_no);
 411                                 return (DDI_FAILURE);
 412                         }
 413 
 414                         vendor_id = pci_config_get16(instance->pci_handle,
 415                             PCI_CONF_VENID);
 416                         device_id = pci_config_get16(instance->pci_handle,
 417                             PCI_CONF_DEVID);
 418 
 419                         subsysvid = pci_config_get16(instance->pci_handle,
 420                             PCI_CONF_SUBVENID);
 421                         subsysid = pci_config_get16(instance->pci_handle,
 422                             PCI_CONF_SUBSYSID);
 423 
 424                         pci_config_put16(instance->pci_handle, PCI_CONF_COMM,
 425                             (pci_config_get16(instance->pci_handle,
 426                             PCI_CONF_COMM) | PCI_COMM_ME));
 427                         irq = pci_config_get8(instance->pci_handle,
 428                             PCI_CONF_ILINE);
 429 
 430                         con_log(CL_DLEVEL1, (CE_CONT, "mr_sas%d: "
 431                             "0x%x:0x%x 0x%x:0x%x, irq:%d drv-ver:%s",
 432                             instance_no, vendor_id, device_id, subsysvid,
 433                             subsysid, irq, MRSAS_VERSION));
 434 
 435                         /* enable bus-mastering */
 436                         command = pci_config_get16(instance->pci_handle,
 437                             PCI_CONF_COMM);
 438 
 439                         if (!(command & PCI_COMM_ME)) {
 440                                 command |= PCI_COMM_ME;
 441 
 442                                 pci_config_put16(instance->pci_handle,
 443                                     PCI_CONF_COMM, command);
 444 
 445                                 con_log(CL_ANN, (CE_CONT, "mr_sas%d: "
 446                                     "enable bus-mastering", instance_no));
 447                         } else {
 448                                 con_log(CL_DLEVEL1, (CE_CONT, "mr_sas%d: "
 449                                 "bus-mastering already set", instance_no));
 450                         }
 451 
 452                         /* initialize function pointers */
 453                        switch(device_id) {
 454                                 case PCI_DEVICE_ID_LSI_TBOLT:
 455                                 case PCI_DEVICE_ID_LSI_INVADER:
 456                                         con_log(CL_ANN, (CE_NOTE,
 457                                             "mr_sas: 2208 T.B. device detected"));
 458 
 459                                         instance->func_ptr = &mrsas_function_template_fusion;
 460                                         instance->tbolt = 1;
 461                                         break;
 462 
 463                                 case PCI_DEVICE_ID_LSI_2108VDE:
 464                                 case PCI_DEVICE_ID_LSI_2108V:
 465                                         con_log(CL_ANN, (CE_NOTE,
 466                                             "mr_sas: 2108 Liberator device detected"));
 467 
 468                                         instance->func_ptr = &mrsas_function_template_ppc;
 469                                         break;
 470 
 471                                 default:
 472                                         cmn_err(CE_WARN,
 473                                             "mr_sas: Invalid device detected");
 474 
 475                                         pci_config_teardown(&instance->pci_handle);
 476                                         ddi_soft_state_free(mrsas_state, instance_no);
 477                                         return (DDI_FAILURE);
 478 
 479                         }
 480 
 481                         instance->baseaddress = pci_config_get32(
 482                             instance->pci_handle, PCI_CONF_BASE0);
 483                         instance->baseaddress &= 0x0fffc;
 484 
 485                         instance->dip                = dip;
 486                         instance->vendor_id  = vendor_id;
 487                         instance->device_id  = device_id;
 488                         instance->subsysvid  = subsysvid;
 489                         instance->subsysid   = subsysid;
 490                         instance->instance   = instance_no;
 491 
 492 
 493                         /* Setup register map */
 494                         if ((ddi_dev_regsize(instance->dip,
 495                             REGISTER_SET_IO_2108, &reglength) != DDI_SUCCESS) ||
 496                             reglength < MINIMUM_MFI_MEM_SZ) {
 497                                 goto fail_attach;
 498                         }
 499                         if (reglength > DEFAULT_MFI_MEM_SZ) {
 500                                 reglength = DEFAULT_MFI_MEM_SZ;
 501                                 con_log(CL_DLEVEL1, (CE_NOTE,
 502                                     "mr_sas: register length to map is "
 503                                     "0x%lx bytes", reglength));
 504                         }
 505                         if (ddi_regs_map_setup(instance->dip,
 506                             REGISTER_SET_IO_2108, &instance->regmap, 0,
 507                             reglength, &endian_attr, &instance->regmap_handle)
 508                             != DDI_SUCCESS) {
 509                                 cmn_err(CE_WARN,
 510                                     "mr_sas: couldn't map control registers");
 511                                 goto fail_attach;
 512                         }
 513                         if (instance->regmap_handle == NULL) {
 514                                 cmn_err(CE_WARN,
 515                                     "mr_sas: couldn't map control registers");
 516                                 goto fail_attach;
 517                         }
 518 
 519                         instance->unroll.regs = 1;
 520 
 521                         /*
 522                          * Disable Interrupt Now.
 523                          * Setup Software interrupt
 524                          */
 525                         instance->func_ptr->disable_intr(instance);
 526 
 527                         if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, 0,
 528                             "mrsas-enable-msi", &data) == DDI_SUCCESS) {
 529                                 if (strncmp(data, "no", 3) == 0) {
 530                                         msi_enable = 0;
 531                                         con_log(CL_ANN1, (CE_WARN,
 532                                             "msi_enable = %d disabled",
 533                                             msi_enable));
 534                                 }
 535                                 ddi_prop_free(data);
 536                         }
 537 
 538                         con_log(CL_DLEVEL1, (CE_NOTE, "msi_enable = %d", msi_enable));
 539 
 540                         if (ddi_prop_lookup_string(DDI_DEV_T_ANY, dip, 0,
 541                             "mrsas-enable-fp", &data) == DDI_SUCCESS) {
 542                                 if (strncmp(data, "no", 3) == 0) {
 543                                         enable_fp = 0;
 544                                         cmn_err(CE_NOTE,
 545                                             "enable_fp = %d, Fast-Path disabled.\n",
 546                                             enable_fp);
 547                                 }
 548 
 549                                 ddi_prop_free(data);
 550                         }
 551 
 552                         cmn_err(CE_NOTE, "enable_fp = %d\n", enable_fp);
 553 
 554                         /* Check for all supported interrupt types */
 555                         if (ddi_intr_get_supported_types(
 556                             dip, &intr_types) != DDI_SUCCESS) {
 557                                 cmn_err(CE_WARN,
 558                                     "ddi_intr_get_supported_types() failed");
 559                                 goto fail_attach;
 560                         }
 561 
 562                         con_log(CL_DLEVEL1, (CE_NOTE,
 563                             "ddi_intr_get_supported_types() ret: 0x%x",
 564                             intr_types));
 565 
 566                         /* Initialize and Setup Interrupt handler */
 567                         if (msi_enable && (intr_types & DDI_INTR_TYPE_MSIX)) {
 568                                 if (mrsas_add_intrs(instance,
 569                                     DDI_INTR_TYPE_MSIX) != DDI_SUCCESS) {
 570                                         cmn_err(CE_WARN,
 571                                             "MSIX interrupt query failed");
 572                                         goto fail_attach;
 573                                 }
 574                                 instance->intr_type = DDI_INTR_TYPE_MSIX;
 575                         } else if (msi_enable && (intr_types &
 576                             DDI_INTR_TYPE_MSI)) {
 577                                 if (mrsas_add_intrs(instance,
 578                                     DDI_INTR_TYPE_MSI) != DDI_SUCCESS) {
 579                                         cmn_err(CE_WARN,
 580                                             "MSI interrupt query failed");
 581                                         goto fail_attach;
 582                                 }
 583                                 instance->intr_type = DDI_INTR_TYPE_MSI;
 584                         } else if (intr_types & DDI_INTR_TYPE_FIXED) {
 585                                 msi_enable = 0;
 586                                 if (mrsas_add_intrs(instance,
 587                                     DDI_INTR_TYPE_FIXED) != DDI_SUCCESS) {
 588                                         cmn_err(CE_WARN,
 589                                             "FIXED interrupt query failed");
 590                                         goto fail_attach;
 591                                 }
 592                                 instance->intr_type = DDI_INTR_TYPE_FIXED;
 593                         } else {
 594                                 cmn_err(CE_WARN, "Device cannot "
 595                                     "suppport either FIXED or MSI/X "
 596                                     "interrupts");
 597                                 goto fail_attach;
 598                         }
 599 
 600                         instance->unroll.intr = 1;
 601 
 602 
 603                         /* setup the mfi based low level driver */
 604                         if (mrsas_init_adapter(instance) != DDI_SUCCESS) {
 605                                 cmn_err(CE_WARN, "mr_sas: "
 606                                 "could not initialize the low level driver");
 607 
 608                                 goto fail_attach;
 609                         }
 610 
 611                         /* Initialize all Mutex */
 612                         INIT_LIST_HEAD(&instance->completed_pool_list);
 613                         mutex_init(&instance->completed_pool_mtx,
 614                             "completed_pool_mtx", MUTEX_DRIVER,
 615                             DDI_INTR_PRI(instance->intr_pri));
 616                         
 617                         mutex_init(&instance->sync_map_mtx,
 618                             "sync_map_mtx", MUTEX_DRIVER,
 619                             DDI_INTR_PRI(instance->intr_pri));
 620                         
 621                         mutex_init(&instance->app_cmd_pool_mtx,
 622                             "app_cmd_pool_mtx", MUTEX_DRIVER,
 623                             DDI_INTR_PRI(instance->intr_pri));
 624 
 625                         mutex_init(&instance->config_dev_mtx, "config_dev_mtx",
 626                             MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
 627 
 628                         mutex_init(&instance->cmd_pend_mtx, "cmd_pend_mtx",
 629                             MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
 630 
 631                         mutex_init(&instance->ocr_flags_mtx, "ocr_flags_mtx",
 632                             MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
 633 
 634                         mutex_init(&instance->int_cmd_mtx, "int_cmd_mtx",
 635                             MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
 636                         cv_init(&instance->int_cmd_cv, NULL, CV_DRIVER, NULL);
 637 
 638                         mutex_init(&instance->cmd_pool_mtx, "cmd_pool_mtx",
 639                             MUTEX_DRIVER, DDI_INTR_PRI(instance->intr_pri));
 640 
 641                         mutex_init(&instance->reg_write_mtx,"reg_write_mtx", 
 642                                 MUTEX_DRIVER,DDI_INTR_PRI(instance->intr_pri));
 643 
 644                         if (instance->tbolt) {
 645                                 mutex_init(&instance->cmd_app_pool_mtx,
 646                                     "cmd_app_pool_mtx", MUTEX_DRIVER,
 647                                     DDI_INTR_PRI(instance->intr_pri));
 648 
 649                                 mutex_init(&instance->chip_mtx,
 650                                     "chip_mtx", MUTEX_DRIVER,
 651                                     DDI_INTR_PRI(instance->intr_pri));
 652 
 653                         }
 654 
 655                         instance->unroll.mutexs = 1;
 656 
 657                         instance->timeout_id = (timeout_id_t)-1;
 658 
 659                         /* Register our soft-isr for highlevel interrupts. */
 660                         instance->isr_level = instance->intr_pri;
 661                         if (!(instance->tbolt)) {
 662                                 if (instance->isr_level == HIGH_LEVEL_INTR) {
 663                                         if (ddi_add_softintr(dip,
 664                                             DDI_SOFTINT_HIGH,
 665                                             &instance->soft_intr_id,
 666                                             NULL, NULL, mrsas_softintr,
 667                                             (caddr_t)instance) !=
 668                                             DDI_SUCCESS) {
 669                                                 cmn_err(CE_WARN,
 670                                                     "Software ISR "
 671                                                     "did not register");
 672 
 673                                                 goto fail_attach;
 674                                         }
 675 
 676                                         instance->unroll.soft_isr = 1;
 677 
 678                                 }
 679                         }
 680 
 681                         instance->softint_running = 0;
 682 
 683                         /* Allocate a transport structure */
 684                         tran = scsi_hba_tran_alloc(dip, SCSI_HBA_CANSLEEP);
 685 
 686                         if (tran == NULL) {
 687                                 cmn_err(CE_WARN,
 688                                     "scsi_hba_tran_alloc failed");
 689                                 goto fail_attach;
 690                         }
 691 
 692                         instance->tran = tran;
 693                         instance->unroll.tran = 1;
 694 
 695                         tran->tran_hba_private       = instance;
 696                         tran->tran_tgt_init  = mrsas_tran_tgt_init;
 697                         tran->tran_tgt_probe = scsi_hba_probe;
 698                         tran->tran_tgt_free  = mrsas_tran_tgt_free;
 699                         if (instance->tbolt) {
 700                                 tran->tran_init_pkt  =
 701                                     mrsas_tbolt_tran_init_pkt;
 702                                 tran->tran_start     =
 703                                     mrsas_tbolt_tran_start;
 704                         } else {
 705                                 tran->tran_init_pkt  = mrsas_tran_init_pkt;
 706                                 tran->tran_start     = mrsas_tran_start;
 707                         }
 708                         tran->tran_abort     = mrsas_tran_abort;
 709                         tran->tran_reset     = mrsas_tran_reset;
 710                         tran->tran_getcap    = mrsas_tran_getcap;
 711                         tran->tran_setcap    = mrsas_tran_setcap;
 712                         tran->tran_destroy_pkt       = mrsas_tran_destroy_pkt;
 713                         tran->tran_dmafree   = mrsas_tran_dmafree;
 714                         tran->tran_sync_pkt  = mrsas_tran_sync_pkt;
 715                         tran->tran_quiesce   = mrsas_tran_quiesce;
 716                         tran->tran_unquiesce = mrsas_tran_unquiesce;
 717                         tran->tran_bus_config        = mrsas_tran_bus_config;
 718 
 719                         if (mrsas_relaxed_ordering)
 720                                 mrsas_generic_dma_attr.dma_attr_flags |=
 721                                     DDI_DMA_RELAXED_ORDERING;
 722 
 723 
 724                         tran_dma_attr = mrsas_generic_dma_attr;
 725                         tran_dma_attr.dma_attr_sgllen = instance->max_num_sge;
 726 
 727                         /* Attach this instance of the hba */
 728                         if (scsi_hba_attach_setup(dip, &tran_dma_attr, tran, 0)
 729                             != DDI_SUCCESS) {
 730                                 cmn_err(CE_WARN,
 731                                     "scsi_hba_attach failed");
 732 
 733                                 goto fail_attach;
 734                         }
 735                         instance->unroll.tranSetup = 1;
 736                         con_log(CL_ANN1, (CE_CONT,
 737                                 "scsi_hba_attach_setup()  done."));
 738 
 739 
 740                         /* create devctl node for cfgadm command */
 741                         if (ddi_create_minor_node(dip, "devctl",
 742                             S_IFCHR, INST2DEVCTL(instance_no),
 743                             DDI_NT_SCSI_NEXUS, 0) == DDI_FAILURE) {
 744                                 cmn_err(CE_WARN,
 745                                     "mr_sas: failed to create devctl node.");
 746 
 747                                 goto fail_attach;
 748                         }
 749 
 750                         instance->unroll.devctl = 1;
 751 
 752                         /* create scsi node for cfgadm command */
 753                         if (ddi_create_minor_node(dip, "scsi", S_IFCHR,
 754                             INST2SCSI(instance_no),
 755                             DDI_NT_SCSI_ATTACHMENT_POINT, 0) ==
 756                             DDI_FAILURE) {
 757                                 cmn_err(CE_WARN,
 758                                     "mr_sas: failed to create scsi node.");
 759 
 760                                 goto fail_attach;
 761                         }
 762 
 763                         instance->unroll.scsictl = 1;
 764 
 765                         (void) sprintf(instance->iocnode, "%d:lsirdctl",
 766                             instance_no);
 767 
 768                         /*
 769                          * Create a node for applications
 770                          * for issuing ioctl to the driver.
 771                          */
 772                         if (ddi_create_minor_node(dip, instance->iocnode,
 773                             S_IFCHR, INST2LSIRDCTL(instance_no),
 774                             DDI_PSEUDO, 0) == DDI_FAILURE) {
 775                                 cmn_err(CE_WARN,
 776                                     "mr_sas: failed to create ioctl node.");
 777 
 778                                 goto fail_attach;
 779                         }
 780 
 781                         instance->unroll.ioctl = 1;
 782 
 783                         /* Create a taskq to handle dr events */
 784                         if ((instance->taskq = ddi_taskq_create(dip,
 785                             "mrsas_dr_taskq", 1,
 786                             TASKQ_DEFAULTPRI, 0)) == NULL) {
 787                                 cmn_err(CE_WARN,
 788                                     "mr_sas: failed to create taskq ");
 789                                 instance->taskq = NULL;
 790                                 goto fail_attach;
 791                         }
 792                         instance->unroll.taskq = 1;
 793                         con_log(CL_ANN1, (CE_CONT,
 794                                 "ddi_taskq_create()  done."));
 795 
 796                         /* enable interrupt */
 797                         instance->func_ptr->enable_intr(instance);
 798 
 799                         /* initiate AEN */
 800                         if (start_mfi_aen(instance)) {
 801                                         cmn_err(CE_WARN,
 802                                     "mr_sas: failed to initiate AEN.");
 803                                 goto fail_attach;
 804                         }
 805                         instance->unroll.aenPend = 1;
 806                         con_log(CL_ANN1, (CE_CONT,
 807                             "AEN started for instance %d.", instance_no));
 808 
 809                         /* Finally! We are on the air.  */
 810                         ddi_report_dev(dip);
 811                                                 
 812                         instance->mr_ld_list =
 813                             kmem_zalloc(MRDRV_MAX_LD * sizeof (struct mrsas_ld),
 814                             KM_SLEEP);
 815                         if (instance->mr_ld_list == NULL) {
 816                                 cmn_err(CE_WARN,
 817                                     "mr_sas attach(): failed to allocate ld_list array");
 818                                 goto fail_attach;
 819                         }
 820                         instance->unroll.ldlist_buff = 1;
 821 
 822 #ifdef PDSUPPORT
 823                         if(instance->tbolt) {
 824                                 instance->mr_tbolt_pd_max = MRSAS_TBOLT_PD_TGT_MAX;
 825                                 instance->mr_tbolt_pd_list =
 826                                     kmem_zalloc(MRSAS_TBOLT_GET_PD_MAX(instance)
 827                                     * sizeof (struct mrsas_tbolt_pd), KM_SLEEP);
 828                                 ASSERT(instance->mr_tbolt_pd_list);
 829                                 for (i = 0; i < instance->mr_tbolt_pd_max; i++) {
 830                                         instance->mr_tbolt_pd_list[i].lun_type = 
 831                                             MRSAS_TBOLT_PD_LUN;
 832                                         instance->mr_tbolt_pd_list[i].dev_id = 
 833                                             (uint8_t)i;
 834                                 }
 835 
 836                                 instance->unroll.pdlist_buff = 1;
 837                         }       
 838 #endif
 839                         break;
 840                 case DDI_PM_RESUME:
 841                         con_log(CL_ANN, (CE_NOTE,
 842                             "mr_sas: DDI_PM_RESUME"));
 843                         break;
 844                 case DDI_RESUME:
 845                         con_log(CL_ANN, (CE_NOTE,
 846                             "mr_sas: DDI_RESUME"));
 847                         break;
 848                 default:
 849                         con_log(CL_ANN, (CE_WARN,
 850                             "mr_sas: invalid attach cmd=%x", cmd));
 851                         return (DDI_FAILURE);
 852         }
 853 
 854 
 855         cmn_err(CE_NOTE, "mrsas_attach() return SUCCESS instance_num %d", instance_no);
 856         return (DDI_SUCCESS);
 857 
 858 fail_attach:
 859 
 860         mrsas_undo_resources(dip, instance);
 861 
 862         pci_config_teardown(&instance->pci_handle);
 863         ddi_soft_state_free(mrsas_state, instance_no);
 864 
 865         con_log(CL_ANN, (CE_WARN,
 866             "mr_sas: return failure from mrsas_attach"));
 867 
 868         cmn_err(CE_WARN, "mrsas_attach() return FAILURE instance_num %d", instance_no);
 869 
 870         return (DDI_FAILURE);
 871 }
 872 
 873 /*
 874  * getinfo - gets device information
 875  * @dip:
 876  * @cmd:
 877  * @arg:
 878  * @resultp:
 879  *
 880  * The system calls getinfo() to obtain configuration information that only
 881  * the driver knows. The mapping of minor numbers to device instance is
 882  * entirely under the control of the driver. The system sometimes needs to ask
 883  * the driver which device a particular dev_t represents.
 884  * Given the device number return the devinfo pointer from the scsi_device
 885  * structure.
 886  */
 887 /*ARGSUSED*/
 888 static int
 889 mrsas_getinfo(dev_info_t *dip, ddi_info_cmd_t cmd,  void *arg, void **resultp)
 890 {
 891         int     rval;
 892         int     mrsas_minor = getminor((dev_t)arg);
 893 
 894         struct mrsas_instance   *instance;
 895 
 896         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
 897 
 898         switch (cmd) {
 899                 case DDI_INFO_DEVT2DEVINFO:
 900                         instance = (struct mrsas_instance *)
 901                             ddi_get_soft_state(mrsas_state,
 902                             MINOR2INST(mrsas_minor));
 903 
 904                         if (instance == NULL) {
 905                                 *resultp = NULL;
 906                                 rval = DDI_FAILURE;
 907                         } else {
 908                                 *resultp = instance->dip;
 909                                 rval = DDI_SUCCESS;
 910                         }
 911                         break;
 912                 case DDI_INFO_DEVT2INSTANCE:
 913                         *resultp = (void *)(intptr_t)
 914                             (MINOR2INST(getminor((dev_t)arg)));
 915                         rval = DDI_SUCCESS;
 916                         break;
 917                 default:
 918                         *resultp = NULL;
 919                         rval = DDI_FAILURE;
 920         }
 921 
 922         return (rval);
 923 }
 924 
 925 /*
 926  * detach - detaches a device from the system
 927  * @dip: pointer to the device's dev_info structure
 928  * @cmd: type of detach
 929  *
 930  * A driver's detach() entry point is called to detach an instance of a device
 931  * that is bound to the driver. The entry point is called with the instance of
 932  * the device node to be detached and with DDI_DETACH, which is specified as
 933  * the cmd argument to the entry point.
 934  * This routine is called during driver unload. We free all the allocated
 935  * resources and call the corresponding LLD so that it can also release all
 936  * its resources.
 937  */
 938 static int
 939 mrsas_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
 940 {
 941         int     instance_no;
 942 
 943         struct mrsas_instance   *instance;
 944 
 945         con_log(CL_ANN, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
 946 
 947 
 948         /* CONSTCOND */
 949         ASSERT(NO_COMPETING_THREADS);
 950 
 951         instance_no = ddi_get_instance(dip);
 952 
 953         instance = (struct mrsas_instance *)ddi_get_soft_state(mrsas_state,
 954             instance_no);
 955 
 956         if (!instance) {
 957                 cmn_err(CE_WARN,
 958                     "mr_sas:%d could not get instance in detach",
 959                     instance_no);
 960 
 961                 return (DDI_FAILURE);
 962         }
 963 
 964         con_log(CL_ANN, (CE_NOTE,
 965             "mr_sas%d: detaching device 0x%4x:0x%4x:0x%4x:0x%4x",
 966             instance_no, instance->vendor_id, instance->device_id,
 967             instance->subsysvid, instance->subsysid));
 968 
 969         switch (cmd) {
 970                 case DDI_DETACH:
 971                         con_log(CL_ANN, (CE_NOTE,
 972                             "mrsas_detach: DDI_DETACH"));
 973 
 974                         mutex_enter(&instance->config_dev_mtx);
 975                         if (instance->timeout_id != (timeout_id_t)-1) {
 976                                 mutex_exit(&instance->config_dev_mtx);
 977                                 (void) untimeout(instance->timeout_id);
 978                                 instance->timeout_id = (timeout_id_t)-1;
 979                                 mutex_enter(&instance->config_dev_mtx);
 980                                 instance->unroll.timer = 0;
 981                         }
 982                         mutex_exit(&instance->config_dev_mtx);
 983 
 984                         if(instance->unroll.tranSetup == 1) {
 985                                 if (scsi_hba_detach(dip) != DDI_SUCCESS) {
 986                                         cmn_err(CE_WARN,
 987                                                 "mr_sas2%d: failed to detach", instance_no);
 988                                         return (DDI_FAILURE);
 989                                 }
 990                                 instance->unroll.tranSetup = 0;
 991                                 con_log(CL_ANN1, (CE_CONT, "scsi_hba_dettach()  done."));
 992                         }
 993 
 994                         flush_cache(instance);
 995 
 996                         mrsas_undo_resources(dip, instance);
 997 
 998                         pci_config_teardown(&instance->pci_handle);
 999                         ddi_soft_state_free(mrsas_state, instance_no);
1000                         break;
1001 
1002                 case DDI_PM_SUSPEND:
1003                         con_log(CL_ANN, (CE_NOTE,
1004                             "mrsas_detach: DDI_PM_SUSPEND"));
1005 
1006                         break;
1007                 case DDI_SUSPEND:
1008                         con_log(CL_ANN, (CE_NOTE,
1009                             "mrsas_detach: DDI_SUSPEND"));
1010 
1011                         break;
1012                 default:
1013                         con_log(CL_ANN, (CE_WARN,
1014                             "invalid detach command:0x%x", cmd));
1015                         return (DDI_FAILURE);
1016         }
1017 
1018         return (DDI_SUCCESS);
1019 }
1020 
1021 
1022 static int
1023 mrsas_undo_resources (dev_info_t *dip, struct mrsas_instance *instance)
1024 {
1025         int     instance_no;
1026 
1027         con_log(CL_ANN, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1028 
1029 
1030         instance_no = ddi_get_instance(dip);
1031 
1032 
1033         if(instance->unroll.ioctl == 1)  {
1034                 ddi_remove_minor_node(dip, instance->iocnode);
1035                 instance->unroll.ioctl = 0;
1036         }
1037 
1038         if(instance->unroll.scsictl == 1)  {
1039                 ddi_remove_minor_node(dip, "scsi");
1040                 instance->unroll.scsictl = 0;
1041         }
1042 
1043         if(instance->unroll.devctl == 1)  {
1044                 ddi_remove_minor_node(dip, "devctl");
1045                 instance->unroll.devctl = 0;
1046         }
1047 
1048         if(instance->unroll.tranSetup == 1)  {
1049                 if (scsi_hba_detach(dip) != DDI_SUCCESS) {
1050                         cmn_err(CE_WARN,
1051                                 "mr_sas2%d: failed to detach", instance_no);
1052                         return (DDI_FAILURE);
1053                 }
1054                 instance->unroll.tranSetup = 0;
1055                 con_log(CL_ANN1, (CE_CONT, "scsi_hba_dettach()  done."));
1056         }
1057 
1058         if(instance->unroll.tran == 1)  {
1059                 scsi_hba_tran_free(instance->tran);
1060                 instance->unroll.tran = 0;
1061                 con_log(CL_ANN1, (CE_CONT, "scsi_hba_tran_free()  done."));
1062         }
1063 
1064         if(instance->unroll.syncCmd == 1)  {
1065                 if(instance->tbolt) {
1066                         if (abort_syncmap_cmd(instance, instance->map_update_cmd))
1067                                 cmn_err(CE_WARN, "mrsas_detach: "
1068                                         "failed to abort previous syncmap command");
1069 
1070                         instance->unroll.syncCmd = 0;
1071                         con_log(CL_ANN1, (CE_CONT, "sync cmd aborted, done."));
1072                 }
1073         }
1074 
1075         if(instance->unroll.aenPend == 1)  {
1076                 if (abort_aen_cmd(instance, instance->aen_cmd)) 
1077                         cmn_err(CE_WARN, "mrsas_detach: "
1078                                         "failed to abort prevous AEN command");
1079 
1080                 instance->unroll.aenPend = 0;
1081                 con_log(CL_ANN1, (CE_CONT, "aen cmd aborted, done."));
1082                  /*This means the controller is fully initialzed and running */
1083                  // shutdown_controller();Shutdown should be a last command to controller.
1084         }
1085 
1086 
1087         if(instance->unroll.timer == 1)       {
1088                 if (instance->timeout_id != (timeout_id_t)-1)  {
1089                         (void) untimeout(instance->timeout_id);
1090                         instance->timeout_id = (timeout_id_t)-1;
1091 
1092                         instance->unroll.timer = 0;
1093                 }
1094         }
1095 
1096         instance->func_ptr->disable_intr(instance);
1097 
1098 
1099         if(instance->unroll.mutexs == 1)  {
1100                 mutex_destroy(&instance->cmd_pool_mtx);
1101                 mutex_destroy(&instance->app_cmd_pool_mtx);
1102                 mutex_destroy(&instance->cmd_pend_mtx);
1103                 mutex_destroy(&instance->completed_pool_mtx);
1104                 mutex_destroy(&instance->sync_map_mtx);
1105                 mutex_destroy(&instance->int_cmd_mtx);
1106                 cv_destroy(&instance->int_cmd_cv);
1107                 mutex_destroy(&instance->config_dev_mtx);
1108                 mutex_destroy(&instance->ocr_flags_mtx);
1109                 mutex_destroy(&instance->reg_write_mtx);
1110 
1111                 if (instance->tbolt) {
1112                         mutex_destroy(&instance->cmd_app_pool_mtx);
1113                         mutex_destroy(&instance->chip_mtx);
1114                 }
1115 
1116                 instance->unroll.mutexs = 0;
1117                 con_log(CL_ANN1, (CE_CONT, "Destroy mutex & cv,  done."));
1118         }
1119 
1120 
1121         if (instance->unroll.soft_isr == 1) {
1122                 ddi_remove_softintr(instance->soft_intr_id);
1123                 instance->unroll.soft_isr = 0;
1124         }
1125 
1126         if(instance->unroll.intr == 1)       {
1127                 mrsas_rem_intrs(instance);
1128                 instance->unroll.intr = 0;
1129         }
1130            
1131 
1132         if(instance->unroll.taskq == 1)       {
1133                 if (instance->taskq) {
1134                         ddi_taskq_destroy(instance->taskq);
1135                         instance->unroll.taskq = 0;
1136                 }
1137 
1138         }
1139          
1140         /*free dma memory allocated for
1141           cmds/frames/queues/driver version etc */
1142         if(instance->unroll.verBuff == 1) {
1143                 mrsas_free_dma_obj(instance, instance->drv_ver_dma_obj);
1144                 instance->unroll.verBuff = 0;
1145         }
1146 
1147         if(instance->unroll.pdlist_buff == 1)  {
1148                 if (instance->mr_tbolt_pd_list != NULL) 
1149                         kmem_free(instance->mr_tbolt_pd_list,
1150                                 MRSAS_TBOLT_GET_PD_MAX(instance) * sizeof (struct mrsas_tbolt_pd));
1151 
1152                 instance->mr_tbolt_pd_list = NULL;
1153                 instance->unroll.pdlist_buff = 0;
1154         }
1155 
1156         if(instance->unroll.ldlist_buff == 1)  {
1157                 if (instance->mr_ld_list != NULL) 
1158                         kmem_free(instance->mr_ld_list, MRDRV_MAX_LD
1159                                 * sizeof (struct mrsas_ld));
1160 
1161                 instance->mr_ld_list = NULL;
1162                 instance->unroll.ldlist_buff = 0;
1163         }
1164 
1165         if (instance->tbolt) {
1166                 if(instance->unroll.alloc_space_mpi2 == 1) {         
1167                         free_space_for_mpi2(instance);
1168                         instance->unroll.alloc_space_mpi2 = 0;
1169                 }
1170         } else {
1171                 if(instance->unroll.alloc_space_mfi == 1) {          
1172                         free_space_for_mfi(instance);
1173                         instance->unroll.alloc_space_mfi = 0;
1174                 }
1175         }
1176 
1177         if(instance->unroll.regs == 1)  {
1178                 ddi_regs_map_free(&instance->regmap_handle);
1179                 instance->unroll.regs = 0;
1180                 con_log(CL_ANN1, (CE_CONT, "ddi_regs_map_free()  done."));
1181         }
1182 
1183         return (DDI_SUCCESS);
1184 }
1185 
1186 
1187 
1188 /*
1189  * ************************************************************************** *
1190  *                                                                            *
1191  *             common entry points - for character driver types               *
1192  *                                                                            *
1193  * ************************************************************************** *
1194  */
1195 /*
1196  * open - gets access to a device
1197  * @dev:
1198  * @openflags:
1199  * @otyp:
1200  * @credp:
1201  *
1202  * Access to a device by one or more application programs is controlled
1203  * through the open() and close() entry points. The primary function of
1204  * open() is to verify that the open request is allowed.
1205  */
1206 static  int
1207 mrsas_open(dev_t *dev, int openflags, int otyp, cred_t *credp)
1208 {
1209         int     rval = 0;
1210 
1211         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1212 
1213         /* Check root permissions */
1214         if (drv_priv(credp) != 0) {
1215                 con_log(CL_ANN, (CE_WARN,
1216                     "mr_sas: Non-root ioctl access denied!"));
1217                 return (EPERM);
1218         }
1219 
1220         /* Verify we are being opened as a character device */
1221         if (otyp != OTYP_CHR) {
1222                 con_log(CL_ANN, (CE_WARN,
1223                     "mr_sas: ioctl node must be a char node"));
1224                 return (EINVAL);
1225         }
1226 
1227         if (ddi_get_soft_state(mrsas_state, MINOR2INST(getminor(*dev)))
1228             == NULL) {
1229                 return (ENXIO);
1230         }
1231 
1232         if (scsi_hba_open) {
1233                 rval = scsi_hba_open(dev, openflags, otyp, credp);
1234         }
1235 
1236         return (rval);
1237 }
1238 
1239 /*
1240  * close - gives up access to a device
1241  * @dev:
1242  * @openflags:
1243  * @otyp:
1244  * @credp:
1245  *
1246  * close() should perform any cleanup necessary to finish using the minor
1247  * device, and prepare the device (and driver) to be opened again.
1248  */
1249 static  int
1250 mrsas_close(dev_t dev, int openflags, int otyp, cred_t *credp)
1251 {
1252         int     rval = 0;
1253 
1254         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1255 
1256         /* no need for locks! */
1257 
1258         if (scsi_hba_close) {
1259                 rval = scsi_hba_close(dev, openflags, otyp, credp);
1260         }
1261 
1262         return (rval);
1263 }
1264 
1265 /*
1266  * ioctl - performs a range of I/O commands for character drivers
1267  * @dev:
1268  * @cmd:
1269  * @arg:
1270  * @mode:
1271  * @credp:
1272  * @rvalp:
1273  *
1274  * ioctl() routine must make sure that user data is copied into or out of the
1275  * kernel address space explicitly using copyin(), copyout(), ddi_copyin(),
1276  * and ddi_copyout(), as appropriate.
1277  * This is a wrapper routine to serialize access to the actual ioctl routine.
1278  * ioctl() should return 0 on success, or the appropriate error number. The
1279  * driver may also set the value returned to the calling process through rvalp.
1280  */
1281 
1282 static int
1283 mrsas_ioctl(dev_t dev, int cmd, intptr_t arg, int mode, cred_t *credp,
1284     int *rvalp)
1285 {
1286         int     rval = 0;
1287 
1288         struct mrsas_instance   *instance;
1289         struct mrsas_ioctl      *ioctl;
1290         struct mrsas_aen        aen;
1291         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1292 
1293         instance = ddi_get_soft_state(mrsas_state, MINOR2INST(getminor(dev)));
1294 
1295         if (instance == NULL) {
1296                 /* invalid minor number */
1297                 con_log(CL_ANN, (CE_WARN, "mr_sas: adapter not found."));
1298                 return (ENXIO);
1299         }
1300 
1301         ioctl = (struct mrsas_ioctl *)kmem_zalloc(sizeof (struct mrsas_ioctl),
1302             KM_SLEEP);
1303         if (ioctl == NULL) {
1304                 /* Failed to allocate memory for ioctl  */
1305                 con_log(CL_ANN, (CE_WARN, "mr_sas_ioctl: failed to allocate memory for ioctl"));
1306                 return (ENXIO);
1307         }
1308 
1309         switch ((uint_t)cmd) {
1310                 case MRSAS_IOCTL_FIRMWARE:
1311                         if (ddi_copyin((void *)arg, ioctl,
1312                             sizeof (struct mrsas_ioctl), mode)) {
1313                                 con_log(CL_ANN, (CE_WARN, "mrsas_ioctl: "
1314                                     "ERROR IOCTL copyin"));
1315                                 kmem_free(ioctl, sizeof (struct mrsas_ioctl));
1316                                 return (EFAULT);
1317                         }
1318 
1319                         if (ioctl->control_code == MRSAS_DRIVER_IOCTL_COMMON) {
1320                                 rval = handle_drv_ioctl(instance, ioctl, mode);
1321                         } else {
1322                                 rval = handle_mfi_ioctl(instance, ioctl, mode);
1323                         }
1324 
1325                         if (ddi_copyout((void *)ioctl, (void *)arg,
1326                             (sizeof (struct mrsas_ioctl) - 1), mode)) {
1327                                 con_log(CL_ANN, (CE_WARN,
1328                                     "mrsas_ioctl: copy_to_user failed"));
1329                                 rval = 1;
1330                         }
1331 
1332                         break;
1333                 case MRSAS_IOCTL_AEN:
1334                         con_log(CL_ANN, (CE_NOTE,
1335                                     "mrsas_ioctl: IOCTL Register AEN.\n"));
1336 
1337                         if (ddi_copyin((void *) arg, &aen,
1338                             sizeof (struct mrsas_aen), mode)) {
1339                                 con_log(CL_ANN, (CE_WARN,
1340                                     "mrsas_ioctl: ERROR AEN copyin"));
1341                                 kmem_free(ioctl, sizeof (struct mrsas_ioctl));
1342                                 return (EFAULT);
1343                         }
1344 
1345                         rval = handle_mfi_aen(instance, &aen);
1346 
1347                         if (ddi_copyout((void *) &aen, (void *)arg,
1348                             sizeof (struct mrsas_aen), mode)) {
1349                                 con_log(CL_ANN, (CE_WARN,
1350                                     "mrsas_ioctl: copy_to_user failed"));
1351                                 rval = 1;
1352                         }
1353 
1354                         break;
1355                 default:
1356                         rval = scsi_hba_ioctl(dev, cmd, arg,
1357                             mode, credp, rvalp);
1358 
1359                         con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_ioctl: "
1360                             "scsi_hba_ioctl called, ret = %x.", rval));
1361         }
1362 
1363         kmem_free(ioctl, sizeof (struct mrsas_ioctl));
1364         return (rval);
1365 }
1366 
1367 /*
1368  * ************************************************************************** *
1369  *                                                                            *
1370  *               common entry points - for block driver types                 *
1371  *                                                                            *
1372  * ************************************************************************** *
1373  */
1374 /*
1375  * reset - TBD
1376  * @dip:
1377  * @cmd:
1378  *
1379  * TBD
1380  */
1381 /*ARGSUSED*/
1382 static int
1383 mrsas_reset(dev_info_t *dip, ddi_reset_cmd_t cmd)
1384 {
1385         int     instance_no;
1386 
1387         struct mrsas_instance   *instance;
1388 
1389         instance_no = ddi_get_instance(dip);
1390         instance = (struct mrsas_instance *)ddi_get_soft_state
1391             (mrsas_state, instance_no);
1392 
1393         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1394 
1395         if (!instance) {
1396                 con_log(CL_ANN, (CE_WARN, "mr_sas:%d could not get adapter "
1397                     "in reset", instance_no));
1398                 return (DDI_FAILURE);
1399         }
1400 
1401         instance->func_ptr->disable_intr(instance);
1402 
1403         con_log(CL_ANN1, (CE_CONT, "flushing cache for instance %d",
1404             instance_no));
1405 
1406         flush_cache(instance);
1407 
1408         return (DDI_SUCCESS);
1409 }
1410 
1411 
1412 /*ARGSUSED*/
1413 int
1414 mrsas_quiesce(dev_info_t *dip)
1415 {
1416         int     instance_no;
1417 
1418         struct mrsas_instance   *instance;
1419 
1420         instance_no = ddi_get_instance(dip);
1421         instance = (struct mrsas_instance *)ddi_get_soft_state
1422             (mrsas_state, instance_no);
1423 
1424         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1425 
1426         if (!instance) {
1427                 con_log(CL_ANN1, (CE_WARN, "mr_sas:%d could not get adapter "
1428                     "in quiesce", instance_no));
1429                 return (DDI_FAILURE);
1430         }
1431         if (instance->deadadapter || instance->adapterresetinprogress) {
1432                 con_log(CL_ANN1, (CE_WARN, "mr_sas:%d adapter is not in "
1433                     "healthy state", instance_no));
1434                 return (DDI_FAILURE);
1435         }
1436 
1437         if (abort_aen_cmd(instance, instance->aen_cmd)) {
1438                 con_log(CL_ANN1, (CE_WARN, "mrsas_quiesce: "
1439                     "failed to abort prevous AEN command QUIESCE"));
1440         }
1441 
1442         if (instance->tbolt) {
1443                 if (abort_syncmap_cmd(instance,
1444                     instance->map_update_cmd)) {
1445                         cmn_err(CE_WARN,
1446                             "mrsas_detach: failed to abort "
1447                             "previous syncmap command");
1448                         return (DDI_FAILURE);
1449                 }
1450         }
1451 
1452         instance->func_ptr->disable_intr(instance);
1453 
1454         con_log(CL_ANN1, (CE_CONT, "flushing cache for instance %d",
1455             instance_no));
1456 
1457         flush_cache(instance);
1458 
1459         if (wait_for_outstanding(instance)) {
1460                 con_log(CL_ANN1, (CE_CONT, "wait_for_outstanding: return FAIL.\n"));
1461                 return (DDI_FAILURE);
1462         }
1463         return (DDI_SUCCESS);
1464 }
1465 
1466 /*
1467  * ************************************************************************** *
1468  *                                                                            *
1469  *                          entry points (SCSI HBA)                           *
1470  *                                                                            *
1471  * ************************************************************************** *
1472  */
1473 /*
1474  * tran_tgt_init - initialize a target device instance
1475  * @hba_dip:
1476  * @tgt_dip:
1477  * @tran:
1478  * @sd:
1479  *
1480  * The tran_tgt_init() entry point enables the HBA to allocate and initialize
1481  * any per-target resources. tran_tgt_init() also enables the HBA to qualify
1482  * the device's address as valid and supportable for that particular HBA.
1483  * By returning DDI_FAILURE, the instance of the target driver for that device
1484  * is not probed or attached.
1485  */
1486 /*ARGSUSED*/
1487 static int
1488 mrsas_tran_tgt_init(dev_info_t *hba_dip, dev_info_t *tgt_dip,
1489                 scsi_hba_tran_t *tran, struct scsi_device *sd)
1490 {
1491         struct mrsas_instance *instance;
1492         uint16_t tgt = sd->sd_address.a_target;
1493         uint8_t lun = sd->sd_address.a_lun;
1494         dev_info_t *child = NULL;
1495 
1496         con_log(CL_DLEVEL2, (CE_NOTE, "mrsas_tgt_init target %d lun %d",
1497             tgt, lun));
1498 
1499         instance = ADDR2MR(&sd->sd_address);
1500 
1501         if (ndi_dev_is_persistent_node(tgt_dip) == 0) {
1502                 /*
1503                  * If no persistent node exists, we don't allow .conf node
1504                  * to be created.
1505                  */
1506                 if ((child = mrsas_find_child(instance, tgt, lun)) != NULL) {
1507                         con_log(CL_DLEVEL2, (CE_NOTE, "mrsas_tgt_init find child ="
1508                             " %p t = %d l = %d", (void *)child, tgt, lun));
1509                         if (ndi_merge_node(tgt_dip, mrsas_name_node) !=
1510                             DDI_SUCCESS)
1511                                 /* Create this .conf node */
1512                                 return (DDI_SUCCESS);
1513                 }
1514                 con_log(CL_DLEVEL2, (CE_NOTE, "mrsas_tgt_init in ndi_per "
1515                     "DDI_FAILURE t = %d l = %d", tgt, lun));
1516                 return (DDI_FAILURE);
1517 
1518         }
1519 
1520         con_log(CL_DLEVEL2, (CE_NOTE, "mrsas_tgt_init dev_dip %p tgt_dip %p",
1521             (void *)instance->mr_ld_list[tgt].dip, (void *)tgt_dip));
1522 
1523         if (tgt < MRDRV_MAX_LD && lun == 0) {
1524                 if (instance->mr_ld_list[tgt].dip == NULL &&
1525                     strcmp(ddi_driver_name(sd->sd_dev), "sd") == 0) {
1526                         mutex_enter(&instance->config_dev_mtx);
1527                         instance->mr_ld_list[tgt].dip = tgt_dip;
1528                         instance->mr_ld_list[tgt].lun_type = MRSAS_LD_LUN;
1529                         instance->mr_ld_list[tgt].flag = MRDRV_TGT_VALID;
1530                         mutex_exit(&instance->config_dev_mtx);
1531                 }
1532         }
1533 
1534 #ifdef PDSUPPORT
1535         else if(instance->tbolt) {
1536                 if (instance->mr_tbolt_pd_list[tgt].dip == NULL) {
1537                         mutex_enter(&instance->config_dev_mtx);
1538                         instance->mr_tbolt_pd_list[tgt].dip = tgt_dip;
1539                         instance->mr_tbolt_pd_list[tgt].flag = 
1540                             MRDRV_TGT_VALID;
1541                         mutex_exit(&instance->config_dev_mtx);
1542                         con_log(CL_ANN1, (CE_NOTE, "mrsas_tran_tgt_init:"
1543                             "t%xl%x", tgt, lun));
1544                 }
1545         }
1546 #endif
1547 
1548         return (DDI_SUCCESS);
1549 }
1550 
1551 /*ARGSUSED*/
1552 static void
1553 mrsas_tran_tgt_free(dev_info_t *hba_dip, dev_info_t *tgt_dip,
1554     scsi_hba_tran_t *hba_tran, struct scsi_device *sd)
1555 {
1556         struct mrsas_instance *instance;
1557         int tgt = sd->sd_address.a_target;
1558         int lun = sd->sd_address.a_lun;
1559 
1560         instance = ADDR2MR(&sd->sd_address);
1561 
1562         con_log(CL_DLEVEL2, (CE_NOTE, "tgt_free t = %d l = %d", tgt, lun));
1563 
1564         if (tgt < MRDRV_MAX_LD && lun == 0) {
1565                 if (instance->mr_ld_list[tgt].dip == tgt_dip) {
1566                         mutex_enter(&instance->config_dev_mtx);
1567                         instance->mr_ld_list[tgt].dip = NULL;
1568                         mutex_exit(&instance->config_dev_mtx);
1569                 }
1570         }
1571 
1572 #ifdef PDSUPPORT
1573         else if(instance->tbolt) {
1574                 mutex_enter(&instance->config_dev_mtx);
1575                 instance->mr_tbolt_pd_list[tgt].dip = NULL;
1576                 mutex_exit(&instance->config_dev_mtx);
1577                 con_log(CL_ANN1, (CE_NOTE, "tgt_free: Setting dip = NULL"
1578                     "for tgt:%x", tgt));
1579         }
1580 #endif
1581                 
1582 }
1583 
1584 dev_info_t *
1585 mrsas_find_child(struct mrsas_instance *instance, uint16_t tgt, uint8_t lun)
1586 {
1587         dev_info_t *child = NULL;
1588         char addr[SCSI_MAXNAMELEN];
1589         char tmp[MAXNAMELEN];
1590 
1591         (void) sprintf(addr, "%x,%x", tgt, lun);
1592         for (child = ddi_get_child(instance->dip); child;
1593             child = ddi_get_next_sibling(child)) {
1594 
1595                 if (ndi_dev_is_persistent_node(child) == 0) {
1596                         continue;
1597                 }
1598 
1599                 if (mrsas_name_node(child, tmp, MAXNAMELEN) !=
1600                     DDI_SUCCESS) {
1601                         continue;
1602                 }
1603 
1604                 if (strcmp(addr, tmp) == 0) {
1605                         break;
1606                 }
1607         }
1608         con_log(CL_DLEVEL2, (CE_NOTE, "mrsas_find_child: return child = %p",
1609             (void *)child));
1610         return (child);
1611 }
1612 
1613 /*
1614  * mrsas_name_node -
1615  * @dip:
1616  * @name:
1617  * @len:
1618  */
1619 static int
1620 mrsas_name_node(dev_info_t *dip, char *name, int len)
1621 {
1622         int tgt, lun;
1623 
1624         tgt = ddi_prop_get_int(DDI_DEV_T_ANY, dip,
1625             DDI_PROP_DONTPASS, "target", -1);
1626         con_log(CL_DLEVEL2, (CE_NOTE,
1627             "mrsas_name_node: dip %p tgt %d", (void *)dip, tgt));
1628         if (tgt == -1) {
1629                 return (DDI_FAILURE);
1630         }
1631         lun = ddi_prop_get_int(DDI_DEV_T_ANY, dip, DDI_PROP_DONTPASS,
1632             "lun", -1);
1633         con_log(CL_DLEVEL2,
1634             (CE_NOTE, "mrsas_name_node: tgt %d lun %d", tgt, lun));
1635         if (lun == -1) {
1636                 return (DDI_FAILURE);
1637         }
1638         (void) snprintf(name, len, "%x,%x", tgt, lun);
1639         return (DDI_SUCCESS);
1640 }
1641 
1642 /*
1643  * tran_init_pkt - allocate & initialize a scsi_pkt structure
1644  * @ap:
1645  * @pkt:
1646  * @bp:
1647  * @cmdlen:
1648  * @statuslen:
1649  * @tgtlen:
1650  * @flags:
1651  * @callback:
1652  *
1653  * The tran_init_pkt() entry point allocates and initializes a scsi_pkt
1654  * structure and DMA resources for a target driver request. The
1655  * tran_init_pkt() entry point is called when the target driver calls the
1656  * SCSA function scsi_init_pkt(). Each call of the tran_init_pkt() entry point
1657  * is a request to perform one or more of three possible services:
1658  *  - allocation and initialization of a scsi_pkt structure
1659  *  - allocation of DMA resources for data transfer
1660  *  - reallocation of DMA resources for the next portion of the data transfer
1661  */
1662 static struct scsi_pkt *
1663 mrsas_tran_init_pkt(struct scsi_address *ap, register struct scsi_pkt *pkt,
1664         struct buf *bp, int cmdlen, int statuslen, int tgtlen,
1665         int flags, int (*callback)(), caddr_t arg)
1666 {
1667         struct scsa_cmd *acmd;
1668         struct mrsas_instance   *instance;
1669         struct scsi_pkt *new_pkt;
1670 
1671         con_log(CL_DLEVEL1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1672 
1673         instance = ADDR2MR(ap);
1674 
1675         /* step #1 : pkt allocation */
1676         if (pkt == NULL) {
1677                 pkt = scsi_hba_pkt_alloc(instance->dip, ap, cmdlen, statuslen,
1678                     tgtlen, sizeof (struct scsa_cmd), callback, arg);
1679                 if (pkt == NULL) {
1680                         return (NULL);
1681                 }
1682 
1683                 acmd = PKT2CMD(pkt);
1684 
1685                 /*
1686                  * Initialize the new pkt - we redundantly initialize
1687                  * all the fields for illustrative purposes.
1688                  */
1689                 acmd->cmd_pkt                = pkt;
1690                 acmd->cmd_flags              = 0;
1691                 acmd->cmd_scblen     = statuslen;
1692                 acmd->cmd_cdblen     = cmdlen;
1693                 acmd->cmd_dmahandle  = NULL;
1694                 acmd->cmd_ncookies   = 0;
1695                 acmd->cmd_cookie     = 0;
1696                 acmd->cmd_cookiecnt  = 0;
1697                 acmd->cmd_nwin               = 0;
1698 
1699                 pkt->pkt_address     = *ap;
1700                 pkt->pkt_comp                = (void (*)())NULL;
1701                 pkt->pkt_flags               = 0;
1702                 pkt->pkt_time                = 0;
1703                 pkt->pkt_resid               = 0;
1704                 pkt->pkt_state               = 0;
1705                 pkt->pkt_statistics  = 0;
1706                 pkt->pkt_reason              = 0;
1707                 new_pkt                 = pkt;
1708         } else {
1709                 acmd = PKT2CMD(pkt);
1710                 new_pkt = NULL;
1711         }
1712 
1713         /* step #2 : dma allocation/move */
1714         if (bp && bp->b_bcount != 0) {
1715                 if (acmd->cmd_dmahandle == NULL) {
1716                         if (mrsas_dma_alloc(instance, pkt, bp, flags,
1717                             callback) == DDI_FAILURE) {
1718                                 if (new_pkt) {
1719                                         scsi_hba_pkt_free(ap, new_pkt);
1720                                 }
1721                                 return ((struct scsi_pkt *)NULL);
1722                         }
1723                 } else {
1724                         if (mrsas_dma_move(instance, pkt, bp) == DDI_FAILURE) {
1725                                 return ((struct scsi_pkt *)NULL);
1726                         }
1727                 }
1728         }
1729 
1730         return (pkt);
1731 }
1732 
1733 /*
1734  * tran_start - transport a SCSI command to the addressed target
1735  * @ap:
1736  * @pkt:
1737  *
1738  * The tran_start() entry point for a SCSI HBA driver is called to transport a
1739  * SCSI command to the addressed target. The SCSI command is described
1740  * entirely within the scsi_pkt structure, which the target driver allocated
1741  * through the HBA driver's tran_init_pkt() entry point. If the command
1742  * involves a data transfer, DMA resources must also have been allocated for
1743  * the scsi_pkt structure.
1744  *
1745  * Return Values :
1746  *      TRAN_BUSY - request queue is full, no more free scbs
1747  *      TRAN_ACCEPT - pkt has been submitted to the instance
1748  */
1749 static int
1750 mrsas_tran_start(struct scsi_address *ap, register struct scsi_pkt *pkt)
1751 {
1752         uchar_t         cmd_done = 0;
1753 
1754         struct mrsas_instance   *instance = ADDR2MR(ap);
1755         struct mrsas_cmd        *cmd;
1756 
1757         con_log(CL_DLEVEL1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1758         if (instance->deadadapter == 1) {
1759                 con_log(CL_ANN1, (CE_WARN,
1760                     "mrsas_tran_start: return TRAN_FATAL_ERROR "
1761                     "for IO, as the HBA doesnt take any more IOs"));
1762                 if (pkt) {
1763                         pkt->pkt_reason              = CMD_DEV_GONE;
1764                         pkt->pkt_statistics  = STAT_DISCON;
1765                 }
1766                 return (TRAN_FATAL_ERROR);
1767         }
1768 
1769         if (instance->adapterresetinprogress) {
1770                 con_log(CL_ANN1, (CE_NOTE, "mrsas_tran_start: Reset flag set, "
1771                     "returning mfi_pkt and setting TRAN_BUSY\n"));
1772                 return (TRAN_BUSY);
1773         }
1774 
1775         con_log(CL_ANN1, (CE_CONT, "chkpnt:%s:%d:SCSI CDB[0]=0x%x time:%x",
1776             __func__, __LINE__, pkt->pkt_cdbp[0], pkt->pkt_time));
1777 
1778         pkt->pkt_reason      = CMD_CMPLT;
1779         *pkt->pkt_scbp = STATUS_GOOD; /* clear arq scsi_status */
1780 
1781         cmd = build_cmd(instance, ap, pkt, &cmd_done);
1782 
1783         /*
1784          * Check if the command is already completed by the mrsas_build_cmd()
1785          * routine. In which case the busy_flag would be clear and scb will be
1786          * NULL and appropriate reason provided in pkt_reason field
1787          */
1788         if (cmd_done) {
1789                 pkt->pkt_reason = CMD_CMPLT;
1790                 pkt->pkt_scbp[0] = STATUS_GOOD;
1791                 pkt->pkt_state |= STATE_GOT_BUS | STATE_GOT_TARGET
1792                     | STATE_SENT_CMD;
1793                 if (((pkt->pkt_flags & FLAG_NOINTR) == 0) && pkt->pkt_comp) {
1794                         (*pkt->pkt_comp)(pkt);
1795                 }
1796 
1797                 return (TRAN_ACCEPT);
1798         }
1799 
1800         if (cmd == NULL) {
1801                 return (TRAN_BUSY);
1802         }
1803 
1804         if ((pkt->pkt_flags & FLAG_NOINTR) == 0) {
1805                 if (instance->fw_outstanding > instance->max_fw_cmds) {
1806                         cmn_err(CE_WARN, "mr_sas:Firmware BUSY, fw_outstanding(0x%X) > max_fw_cmds(0x%X)",
1807                                         instance->fw_outstanding, instance->max_fw_cmds );
1808                         return_mfi_pkt(instance, cmd);
1809                         return (TRAN_BUSY);
1810                 }
1811 
1812                 /* Synchronize the Cmd frame for the controller */
1813                 (void) ddi_dma_sync(cmd->frame_dma_obj.dma_handle, 0, 0,
1814                     DDI_DMA_SYNC_FORDEV);
1815                 con_log(CL_ANN, (CE_CONT, "issue_cmd_ppc: SCSI CDB[0]=0x%x"
1816                     "cmd->index:%x\n", pkt->pkt_cdbp[0], cmd->index));
1817                 instance->func_ptr->issue_cmd(cmd, instance);
1818 
1819         } else {
1820                 struct mrsas_header *hdr = &cmd->frame->hdr;
1821 
1822 
1823                 instance->func_ptr-> issue_cmd_in_poll_mode(instance, cmd);
1824 
1825                 pkt->pkt_reason              = CMD_CMPLT;
1826                 pkt->pkt_statistics  = 0;
1827                 pkt->pkt_state |= STATE_XFERRED_DATA | STATE_GOT_STATUS;
1828 
1829                 switch (ddi_get8(cmd->frame_dma_obj.acc_handle,
1830                     &hdr->cmd_status)) {
1831                 case MFI_STAT_OK:
1832                         pkt->pkt_scbp[0] = STATUS_GOOD;
1833                         break;
1834 
1835                 case MFI_STAT_SCSI_DONE_WITH_ERROR:
1836                         con_log(CL_ANN, (CE_CONT,
1837                                 "mrsas_tran_start: scsi done with error"));
1838                         pkt->pkt_reason      = CMD_CMPLT;
1839                         pkt->pkt_statistics = 0;
1840 
1841                         ((struct scsi_status *)pkt->pkt_scbp)->sts_chk = 1;
1842                         break;
1843 
1844                 case MFI_STAT_DEVICE_NOT_FOUND:
1845                         con_log(CL_ANN, (CE_CONT,
1846                                 "mrsas_tran_start: device not found error"));
1847                         pkt->pkt_reason              = CMD_DEV_GONE;
1848                         pkt->pkt_statistics  = STAT_DISCON;
1849                         break;
1850 
1851                 default:
1852                         ((struct scsi_status *)pkt->pkt_scbp)->sts_busy = 1;
1853                 }
1854 
1855                 return_mfi_pkt(instance, cmd);
1856 
1857                 if (pkt->pkt_comp) {
1858                         (*pkt->pkt_comp)(pkt);
1859                 }
1860 
1861         }
1862 
1863         return (TRAN_ACCEPT);
1864 }
1865 
1866 /*
1867  * tran_abort - Abort any commands that are currently in transport
1868  * @ap:
1869  * @pkt:
1870  *
1871  * The tran_abort() entry point for a SCSI HBA driver is called to abort any
1872  * commands that are currently in transport for a particular target. This entry
1873  * point is called when a target driver calls scsi_abort(). The tran_abort()
1874  * entry point should attempt to abort the command denoted by the pkt
1875  * parameter. If the pkt parameter is NULL, tran_abort() should attempt to
1876  * abort all outstanding commands in the transport layer for the particular
1877  * target or logical unit.
1878  */
1879 /*ARGSUSED*/
1880 static int
1881 mrsas_tran_abort(struct scsi_address *ap, struct scsi_pkt *pkt)
1882 {
1883         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1884 
1885         /* abort command not supported by H/W */
1886 
1887         return (DDI_FAILURE);
1888 }
1889 
1890 /*
1891  * tran_reset - reset either the SCSI bus or target
1892  * @ap:
1893  * @level:
1894  *
1895  * The tran_reset() entry point for a SCSI HBA driver is called to reset either
1896  * the SCSI bus or a particular SCSI target device. This entry point is called
1897  * when a target driver calls scsi_reset(). The tran_reset() entry point must
1898  * reset the SCSI bus if level is RESET_ALL. If level is RESET_TARGET, just the
1899  * particular target or logical unit must be reset.
1900  */
1901 /*ARGSUSED*/
1902 static int
1903 mrsas_tran_reset(struct scsi_address *ap, int level)
1904 {
1905         struct mrsas_instance *instance = ADDR2MR(ap);
1906 
1907         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1908 
1909         if (wait_for_outstanding(instance)) {
1910                 con_log(CL_ANN1, (CE_CONT, "wait_for_outstanding: return FAIL.\n"));
1911                 return (DDI_FAILURE);
1912         } else {
1913                 return (DDI_SUCCESS);
1914         }
1915 }
1916 
1917 /*
1918  * tran_bus_reset - reset the SCSI bus
1919  * @dip:
1920  * @level:
1921  *
1922  * The tran_bus_reset() vector in the scsi_hba_tran structure should be
1923  * initialized during the HBA driver's attach(). The vector should point to
1924  * an HBA entry point that is to be called when a user initiates a bus reset.
1925  * Implementation is hardware specific. If the HBA driver cannot reset the
1926  * SCSI bus without affecting the targets, the driver should fail RESET_BUS
1927  * or not initialize this vector.
1928  */
1929 /*ARGSUSED*/
1930 static int
1931 mrsas_tran_bus_reset(dev_info_t *dip, int level)
1932 {
1933         int     instance_no = ddi_get_instance(dip);
1934 
1935         struct mrsas_instance   *instance = ddi_get_soft_state(mrsas_state,
1936             instance_no);
1937 
1938         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1939 
1940         if (wait_for_outstanding(instance)) {
1941                 con_log(CL_ANN1, (CE_CONT, "wait_for_outstanding: return FAIL.\n"));
1942                 return (DDI_FAILURE);
1943         } else {
1944                 return (DDI_SUCCESS);
1945         }
1946 }
1947 
1948 /*
1949  * tran_getcap - get one of a set of SCSA-defined capabilities
1950  * @ap:
1951  * @cap:
1952  * @whom:
1953  *
1954  * The target driver can request the current setting of the capability for a
1955  * particular target by setting the whom parameter to nonzero. A whom value of
1956  * zero indicates a request for the current setting of the general capability
1957  * for the SCSI bus or for adapter hardware. The tran_getcap() should return -1
1958  * for undefined capabilities or the current value of the requested capability.
1959  */
1960 /*ARGSUSED*/
1961 static int
1962 mrsas_tran_getcap(struct scsi_address *ap, char *cap, int whom)
1963 {
1964         int     rval = 0;
1965 
1966         struct mrsas_instance   *instance = ADDR2MR(ap);
1967 
1968         con_log(CL_DLEVEL2, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
1969 
1970         /* we do allow inquiring about capabilities for other targets */
1971         if (cap == NULL) {
1972                 return (-1);
1973         }
1974 
1975         switch (scsi_hba_lookup_capstr(cap)) {
1976         case SCSI_CAP_DMA_MAX:
1977                 if (instance->tbolt) {
1978                         /* Limit to 256k max transfer */
1979                         rval = mrsas_tbolt_max_cap_maxxfer;
1980                 } else {
1981                 /* Limit to 16MB max transfer */
1982                 rval = mrsas_max_cap_maxxfer;
1983                 }
1984                 break;
1985         case SCSI_CAP_MSG_OUT:
1986                 rval = 1;
1987                 break;
1988         case SCSI_CAP_DISCONNECT:
1989                 rval = 0;
1990                 break;
1991         case SCSI_CAP_SYNCHRONOUS:
1992                 rval = 0;
1993                 break;
1994         case SCSI_CAP_WIDE_XFER:
1995                 rval = 1;
1996                 break;
1997         case SCSI_CAP_TAGGED_QING:
1998                 rval = 1;
1999                 break;
2000         case SCSI_CAP_UNTAGGED_QING:
2001                 rval = 1;
2002                 break;
2003         case SCSI_CAP_PARITY:
2004                 rval = 1;
2005                 break;
2006         case SCSI_CAP_INITIATOR_ID:
2007                 rval = instance->init_id;
2008                 break;
2009         case SCSI_CAP_ARQ:
2010                 rval = 1;
2011                 break;
2012         case SCSI_CAP_LINKED_CMDS:
2013                 rval = 0;
2014                 break;
2015         case SCSI_CAP_RESET_NOTIFICATION:
2016                 rval = 1;
2017                 break;
2018         case SCSI_CAP_GEOMETRY:
2019                 rval = -1;
2020 
2021                 break;
2022         default:
2023                 con_log(CL_DLEVEL2, (CE_NOTE, "Default cap coming 0x%x",
2024                     scsi_hba_lookup_capstr(cap)));
2025                 rval = -1;
2026                 break;
2027         }
2028 
2029         return (rval);
2030 }
2031 
2032 /*
2033  * tran_setcap - set one of a set of SCSA-defined capabilities
2034  * @ap:
2035  * @cap:
2036  * @value:
2037  * @whom:
2038  *
2039  * The target driver might request that the new value be set for a particular
2040  * target by setting the whom parameter to nonzero. A whom value of zero
2041  * means that request is to set the new value for the SCSI bus or for adapter
2042  * hardware in general.
2043  * The tran_setcap() should return the following values as appropriate:
2044  * - -1 for undefined capabilities
2045  * - 0 if the HBA driver cannot set the capability to the requested value
2046  * - 1 if the HBA driver is able to set the capability to the requested value
2047  */
2048 /*ARGSUSED*/
2049 static int
2050 mrsas_tran_setcap(struct scsi_address *ap, char *cap, int value, int whom)
2051 {
2052         int             rval = 1;
2053 
2054         con_log(CL_DLEVEL2, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2055 
2056         /* We don't allow setting capabilities for other targets */
2057         if (cap == NULL || whom == 0) {
2058                 return (-1);
2059         }
2060 
2061         switch (scsi_hba_lookup_capstr(cap)) {
2062                 case SCSI_CAP_DMA_MAX:
2063                 case SCSI_CAP_MSG_OUT:
2064                 case SCSI_CAP_PARITY:
2065                 case SCSI_CAP_LINKED_CMDS:
2066                 case SCSI_CAP_RESET_NOTIFICATION:
2067                 case SCSI_CAP_DISCONNECT:
2068                 case SCSI_CAP_SYNCHRONOUS:
2069                 case SCSI_CAP_UNTAGGED_QING:
2070                 case SCSI_CAP_WIDE_XFER:
2071                 case SCSI_CAP_INITIATOR_ID:
2072                 case SCSI_CAP_ARQ:
2073                         /*
2074                          * None of these are settable via
2075                          * the capability interface.
2076                          */
2077                         break;
2078                 case SCSI_CAP_TAGGED_QING:
2079                         rval = 1;
2080                         break;
2081                 case SCSI_CAP_SECTOR_SIZE:
2082                         rval = 1;
2083                         break;
2084 
2085                 case SCSI_CAP_TOTAL_SECTORS:
2086                         rval = 1;
2087                         break;
2088                 default:
2089                         rval = -1;
2090                         break;
2091         }
2092 
2093         return (rval);
2094 }
2095 
2096 /*
2097  * tran_destroy_pkt - deallocate scsi_pkt structure
2098  * @ap:
2099  * @pkt:
2100  *
2101  * The tran_destroy_pkt() entry point is the HBA driver function that
2102  * deallocates scsi_pkt structures. The tran_destroy_pkt() entry point is
2103  * called when the target driver calls scsi_destroy_pkt(). The
2104  * tran_destroy_pkt() entry point must free any DMA resources that have been
2105  * allocated for the packet. An implicit DMA synchronization occurs if the
2106  * DMA resources are freed and any cached data remains after the completion
2107  * of the transfer.
2108  */
2109 static void
2110 mrsas_tran_destroy_pkt(struct scsi_address *ap, struct scsi_pkt *pkt)
2111 {
2112         struct scsa_cmd *acmd = PKT2CMD(pkt);
2113 
2114         con_log(CL_DLEVEL2, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2115 
2116         if (acmd->cmd_flags & CFLAG_DMAVALID) {
2117                 acmd->cmd_flags &= ~CFLAG_DMAVALID;
2118 
2119                 (void) ddi_dma_unbind_handle(acmd->cmd_dmahandle);
2120 
2121                 ddi_dma_free_handle(&acmd->cmd_dmahandle);
2122 
2123                 acmd->cmd_dmahandle = NULL;
2124         }
2125 
2126         /* free the pkt */
2127         scsi_hba_pkt_free(ap, pkt);
2128 }
2129 
2130 /*
2131  * tran_dmafree - deallocates DMA resources
2132  * @ap:
2133  * @pkt:
2134  *
2135  * The tran_dmafree() entry point deallocates DMAQ resources that have been
2136  * allocated for a scsi_pkt structure. The tran_dmafree() entry point is
2137  * called when the target driver calls scsi_dmafree(). The tran_dmafree() must
2138  * free only DMA resources allocated for a scsi_pkt structure, not the
2139  * scsi_pkt itself. When DMA resources are freed, a DMA synchronization is
2140  * implicitly performed.
2141  */
2142 /*ARGSUSED*/
2143 static void
2144 mrsas_tran_dmafree(struct scsi_address *ap, struct scsi_pkt *pkt)
2145 {
2146         register struct scsa_cmd *acmd = PKT2CMD(pkt);
2147 
2148         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2149 
2150         if (acmd->cmd_flags & CFLAG_DMAVALID) {
2151                 acmd->cmd_flags &= ~CFLAG_DMAVALID;
2152 
2153                 (void) ddi_dma_unbind_handle(acmd->cmd_dmahandle);
2154 
2155                 ddi_dma_free_handle(&acmd->cmd_dmahandle);
2156 
2157                 acmd->cmd_dmahandle = NULL;
2158         }
2159 }
2160 
2161 /*
2162  * tran_sync_pkt - synchronize the DMA object allocated
2163  * @ap:
2164  * @pkt:
2165  *
2166  * The tran_sync_pkt() entry point synchronizes the DMA object allocated for
2167  * the scsi_pkt structure before or after a DMA transfer. The tran_sync_pkt()
2168  * entry point is called when the target driver calls scsi_sync_pkt(). If the
2169  * data transfer direction is a DMA read from device to memory, tran_sync_pkt()
2170  * must synchronize the CPU's view of the data. If the data transfer direction
2171  * is a DMA write from memory to device, tran_sync_pkt() must synchronize the
2172  * device's view of the data.
2173  */
2174 /*ARGSUSED*/
2175 static void
2176 mrsas_tran_sync_pkt(struct scsi_address *ap, struct scsi_pkt *pkt)
2177 {
2178         register struct scsa_cmd        *acmd = PKT2CMD(pkt);
2179 
2180         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2181 
2182         if (acmd->cmd_flags & CFLAG_DMAVALID) {
2183                 (void) ddi_dma_sync(acmd->cmd_dmahandle, acmd->cmd_dma_offset,
2184                     acmd->cmd_dma_len, (acmd->cmd_flags & CFLAG_DMASEND) ?
2185                     DDI_DMA_SYNC_FORDEV : DDI_DMA_SYNC_FORCPU);
2186         }
2187 }
2188 
2189 /*ARGSUSED*/
2190 static int
2191 mrsas_tran_quiesce(dev_info_t *dip)
2192 {
2193         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2194 
2195         return (1);
2196 }
2197 
2198 /*ARGSUSED*/
2199 static int
2200 mrsas_tran_unquiesce(dev_info_t *dip)
2201 {
2202         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2203 
2204         return (1);
2205 }
2206 
2207 
2208 /*
2209  * mrsas_isr(caddr_t)
2210  *
2211  * The Interrupt Service Routine
2212  *
2213  * Collect status for all completed commands and do callback
2214  *
2215  */
2216 static uint_t
2217 mrsas_isr(struct mrsas_instance *instance)
2218 {
2219         int             need_softintr;
2220         uint32_t        producer;
2221         uint32_t        consumer;
2222         uint32_t        context;
2223         uint32_t        status, value;
2224         int             retval;
2225 
2226         struct mrsas_cmd        *cmd;
2227         struct mrsas_header     *hdr;
2228         struct scsi_pkt         *pkt;
2229 
2230         con_log(CL_ANN1, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
2231         ASSERT(instance);
2232         if (instance->tbolt) {
2233                 mutex_enter(&instance->chip_mtx);
2234                 if ((instance->intr_type == DDI_INTR_TYPE_FIXED) &&
2235                     !(instance->func_ptr->intr_ack(instance))) {
2236                         mutex_exit(&instance->chip_mtx);
2237                         return (DDI_INTR_UNCLAIMED);
2238                 }
2239                 retval = mr_sas_tbolt_process_outstanding_cmd(instance);
2240                 mutex_exit(&instance->chip_mtx);
2241                 return (retval);
2242         } else {
2243                 if ((instance->intr_type == DDI_INTR_TYPE_FIXED) &&
2244                     !instance->func_ptr->intr_ack(instance)) {
2245                         return (DDI_INTR_UNCLAIMED);
2246                 }
2247         }
2248 
2249         (void) ddi_dma_sync(instance->mfi_internal_dma_obj.dma_handle,
2250             0, 0, DDI_DMA_SYNC_FORCPU);
2251 
2252 #ifdef OCRDEBUG
2253         if (debug_consecutive_timeout_after_ocr_g == 1) {
2254                 con_log(CL_ANN1, (CE_NOTE,
2255                 "simulating consecutive timeout after ocr"));
2256                 return (DDI_INTR_CLAIMED);
2257         }
2258 #endif
2259 
2260         mutex_enter(&instance->completed_pool_mtx);
2261         mutex_enter(&instance->cmd_pend_mtx);
2262 
2263         producer = ddi_get32(instance->mfi_internal_dma_obj.acc_handle,
2264             instance->producer);
2265         consumer = ddi_get32(instance->mfi_internal_dma_obj.acc_handle,
2266             instance->consumer);
2267 
2268         con_log(CL_ANN, (CE_CONT, " producer %x consumer %x ",
2269             producer, consumer));
2270         if (producer == consumer) {
2271                 con_log(CL_ANN, (CE_WARN, "producer ==  consumer case"));
2272                 mutex_exit(&instance->cmd_pend_mtx);
2273                 mutex_exit(&instance->completed_pool_mtx);
2274                 return (DDI_INTR_CLAIMED);
2275         }
2276 
2277         while (consumer != producer) {
2278                 context = ddi_get32(instance->mfi_internal_dma_obj.acc_handle,
2279                     &instance->reply_queue[consumer]);
2280                 cmd = instance->cmd_list[context];
2281 
2282                 if (cmd->sync_cmd == MRSAS_TRUE) {
2283                 hdr = (struct mrsas_header *)&cmd->frame->hdr;
2284                 if (hdr) {
2285                         mlist_del_init(&cmd->list);
2286                 }
2287                 } else {
2288                         pkt = cmd->pkt;
2289                         if (pkt) {
2290                                 mlist_del_init(&cmd->list);
2291                         }
2292                 }
2293 
2294                 mlist_add_tail(&cmd->list, &instance->completed_pool_list);
2295 
2296                 consumer++;
2297                 if (consumer == (instance->max_fw_cmds + 1)) {
2298                         consumer = 0;
2299                 }
2300         }
2301         ddi_put32(instance->mfi_internal_dma_obj.acc_handle,
2302             instance->consumer, consumer);
2303         mutex_exit(&instance->cmd_pend_mtx);
2304         mutex_exit(&instance->completed_pool_mtx);
2305 
2306         (void) ddi_dma_sync(instance->mfi_internal_dma_obj.dma_handle,
2307             0, 0, DDI_DMA_SYNC_FORDEV);
2308 
2309         if (instance->softint_running) {
2310                 need_softintr = 0;
2311         } else {
2312                 need_softintr = 1;
2313         }
2314 
2315         if (instance->isr_level == HIGH_LEVEL_INTR) {
2316                 if (need_softintr) {
2317                         ddi_trigger_softintr(instance->soft_intr_id);
2318                 }
2319         } else {
2320                 /*
2321                  * Not a high-level interrupt, therefore call the soft level
2322                  * interrupt explicitly
2323                  */
2324                 (void) mrsas_softintr(instance);
2325         }
2326 
2327         return (DDI_INTR_CLAIMED);
2328 }
2329 
2330 
2331 /*
2332  * ************************************************************************** *
2333  *                                                                            *
2334  *                                  libraries                                 *
2335  *                                                                            *
2336  * ************************************************************************** *
2337  */
2338 /*
2339  * get_mfi_pkt : Get a command from the free pool
2340  * After successful allocation, the caller of this routine
2341  * must clear the frame buffer (memset to zero) before
2342  * using the packet further.
2343  *
2344  * ***** Note *****
2345  * After clearing the frame buffer the context id of the
2346  * frame buffer SHOULD be restored back.
2347  */
2348 static struct mrsas_cmd *
2349 get_mfi_pkt(struct mrsas_instance *instance)
2350 {
2351         mlist_t                 *head = &instance->cmd_pool_list;
2352         struct mrsas_cmd        *cmd = NULL;
2353 
2354         mutex_enter(&instance->cmd_pool_mtx);
2355         ASSERT(mutex_owned(&instance->cmd_pool_mtx));
2356 
2357         if (!mlist_empty(head)) {
2358                 cmd = mlist_entry(head->next, struct mrsas_cmd, list);
2359                 mlist_del_init(head->next);
2360         }
2361         if (cmd != NULL) {
2362                 cmd->pkt = NULL;
2363                 cmd->retry_count_for_ocr = 0;
2364                 cmd->drv_pkt_time = 0;
2365 
2366         }
2367         mutex_exit(&instance->cmd_pool_mtx);
2368 
2369         return (cmd);
2370 }
2371 
2372 static struct mrsas_cmd *
2373 get_mfi_app_pkt(struct mrsas_instance *instance)
2374 {
2375         mlist_t                         *head = &instance->app_cmd_pool_list;
2376         struct mrsas_cmd        *cmd = NULL;
2377 
2378         mutex_enter(&instance->app_cmd_pool_mtx);
2379         ASSERT(mutex_owned(&instance->app_cmd_pool_mtx));
2380 
2381         if (!mlist_empty(head)) {
2382                 cmd = mlist_entry(head->next, struct mrsas_cmd, list);
2383                 mlist_del_init(head->next);
2384         }
2385         if (cmd != NULL){
2386                 cmd->pkt = NULL;
2387                 cmd->retry_count_for_ocr = 0;
2388                 cmd->drv_pkt_time = 0;
2389         }
2390 
2391         mutex_exit(&instance->app_cmd_pool_mtx);
2392 
2393         return (cmd);
2394 }
2395 /*
2396  * return_mfi_pkt : Return a cmd to free command pool
2397  */
2398 static void
2399 return_mfi_pkt(struct mrsas_instance *instance, struct mrsas_cmd *cmd)
2400 {
2401         mutex_enter(&instance->cmd_pool_mtx);
2402         ASSERT(mutex_owned(&instance->cmd_pool_mtx));
2403 
2404         mlist_add_tail(&cmd->list, &instance->cmd_pool_list);
2405 
2406         mutex_exit(&instance->cmd_pool_mtx);
2407 }
2408 
2409 static void
2410 return_mfi_app_pkt(struct mrsas_instance *instance, struct mrsas_cmd *cmd)
2411 {
2412         mutex_enter(&instance->app_cmd_pool_mtx);
2413         ASSERT(mutex_owned(&instance->app_cmd_pool_mtx));
2414 
2415         mlist_add(&cmd->list, &instance->app_cmd_pool_list);
2416 
2417         mutex_exit(&instance->app_cmd_pool_mtx);
2418 }
2419 void
2420 push_pending_mfi_pkt(struct mrsas_instance *instance, struct mrsas_cmd *cmd)
2421 {
2422         struct scsi_pkt *pkt;
2423         struct mrsas_header     *hdr;
2424         con_log(CL_DLEVEL2, (CE_NOTE, "push_pending_pkt(): Called\n"));
2425         mutex_enter(&instance->cmd_pend_mtx);
2426         ASSERT(mutex_owned(&instance->cmd_pend_mtx));
2427         mlist_del_init(&cmd->list);  
2428         mlist_add_tail(&cmd->list, &instance->cmd_pend_list);
2429         if (cmd->sync_cmd == MRSAS_TRUE) {
2430                 hdr = (struct mrsas_header *)&cmd->frame->hdr;
2431                 if (hdr) {
2432                         con_log(CL_ANN1, (CE_CONT,
2433                             "push_pending_mfi_pkt: "
2434                             "cmd %p index %x "
2435                             "time %llx",
2436                             (void *)cmd, cmd->index,
2437                             gethrtime()));
2438                         /* Wait for specified interval  */
2439                         cmd->drv_pkt_time = ddi_get16(
2440                             cmd->frame_dma_obj.acc_handle, &hdr->timeout);
2441                         if (cmd->drv_pkt_time < debug_timeout_g)
2442                                 cmd->drv_pkt_time = (uint16_t)debug_timeout_g;
2443                                 con_log(CL_ANN1, (CE_CONT,
2444                                         "push_pending_pkt(): "
2445                                         "Called IO Timeout Value %x\n",
2446                                         cmd->drv_pkt_time));
2447                 }
2448                 if (hdr && instance->timeout_id == (timeout_id_t)-1) {
2449                         instance->timeout_id = timeout(io_timeout_checker,
2450                             (void *) instance, drv_usectohz(MRSAS_1_SECOND));
2451                 }
2452         } else {
2453                 pkt = cmd->pkt;
2454                 if (pkt) {
2455                         con_log(CL_ANN1, (CE_CONT,
2456                             "push_pending_mfi_pkt: "
2457                             "cmd %p index %x pkt %p, "
2458                             "time %llx",
2459                             (void *)cmd, cmd->index, (void *)pkt,
2460                             gethrtime()));
2461                         cmd->drv_pkt_time = (uint16_t)debug_timeout_g;
2462                 }
2463                 if (pkt && instance->timeout_id == (timeout_id_t)-1) {
2464                         instance->timeout_id = timeout(io_timeout_checker,
2465                             (void *) instance, drv_usectohz(MRSAS_1_SECOND));
2466                 }
2467         }
2468 
2469         mutex_exit(&instance->cmd_pend_mtx);
2470         
2471 }
2472 
2473 int
2474 mrsas_print_pending_cmds(struct mrsas_instance *instance)
2475 {
2476         mlist_t *head = &instance->cmd_pend_list;
2477         mlist_t *tmp = head;
2478         struct mrsas_cmd *cmd = NULL;
2479         struct mrsas_header     *hdr;
2480         unsigned int            flag = 1;
2481         struct scsi_pkt *pkt;
2482         int saved_level;
2483         int cmd_count = 0;
2484 
2485 
2486         saved_level = debug_level_g;
2487         debug_level_g = CL_ANN1;
2488 
2489         cmn_err(CE_NOTE, "mrsas_print_pending_cmds(): Called\n");
2490 
2491         while (flag) {
2492                 mutex_enter(&instance->cmd_pend_mtx);
2493                 tmp     =       tmp->next;
2494                 if (tmp == head) {
2495                         mutex_exit(&instance->cmd_pend_mtx);
2496                         flag = 0;
2497                         con_log(CL_ANN1, (CE_CONT, "mrsas_print_pending_cmds(): NO MORE CMDS PENDING....\n"));
2498                         break;
2499                 } else {
2500                         cmd = mlist_entry(tmp, struct mrsas_cmd, list);
2501                         mutex_exit(&instance->cmd_pend_mtx);
2502                         if (cmd) {
2503                                 if (cmd->sync_cmd == MRSAS_TRUE) {
2504                                 hdr = (struct mrsas_header *)&cmd->frame->hdr;
2505                                         if (hdr) {
2506                                         con_log(CL_ANN1, (CE_CONT,
2507                                             "print: cmd %p index 0x%x drv_pkt_time 0x%x (NO-PKT) hdr %p\n",
2508                                             (void *)cmd, cmd->index, cmd->drv_pkt_time, (void *)hdr));
2509                                         }
2510                                 } else {
2511                                         pkt = cmd->pkt;
2512                                         if (pkt) {
2513                                         con_log(CL_ANN1, (CE_CONT,
2514                                             "print: cmd %p index 0x%x drv_pkt_time 0x%x pkt %p \n",
2515                                             (void *)cmd, cmd->index,  cmd->drv_pkt_time, (void *)pkt));
2516                                         }
2517                                 }
2518 
2519                                 if (++cmd_count == 1)
2520                                         mrsas_print_cmd_details(instance, cmd, 0xDD);
2521                                 else
2522                                         mrsas_print_cmd_details(instance, cmd, 1);
2523 
2524                         }
2525                 }
2526         }
2527         con_log(CL_ANN1, (CE_CONT, "mrsas_print_pending_cmds(): Done\n"));
2528 
2529         
2530         debug_level_g = saved_level;
2531 
2532         return (DDI_SUCCESS);
2533 }
2534 
2535 
2536 int
2537 mrsas_complete_pending_cmds(struct mrsas_instance *instance)
2538 {
2539 
2540         struct mrsas_cmd *cmd = NULL;
2541         struct scsi_pkt *pkt;
2542         struct mrsas_header *hdr;
2543 
2544         struct mlist_head               *pos, *next;
2545 
2546         con_log(CL_ANN1, (CE_NOTE,
2547             "mrsas_complete_pending_cmds(): Called"));
2548 
2549         mutex_enter(&instance->cmd_pend_mtx);
2550         mlist_for_each_safe(pos, next, &instance->cmd_pend_list) {
2551                 cmd = mlist_entry(pos, struct mrsas_cmd, list);
2552                 if (cmd) {
2553                         pkt = cmd->pkt;
2554                         if (pkt) { /* for IO */
2555                                 if (((pkt->pkt_flags & FLAG_NOINTR)
2556                                     == 0) && pkt->pkt_comp) {
2557                                         pkt->pkt_reason
2558                                             = CMD_DEV_GONE;
2559                                         pkt->pkt_statistics
2560                                             = STAT_DISCON;
2561                                         con_log(CL_ANN1, (CE_CONT,
2562                                             "fail and posting to scsa "
2563                                             "cmd %p index %x"
2564                                             " pkt %p "
2565                                             "time : %llx",
2566                                             (void *)cmd, cmd->index,
2567                                             (void *)pkt, gethrtime()));
2568                                         (*pkt->pkt_comp)(pkt);
2569                                 }
2570                         } else { /* for DCMDS */
2571                                 if (cmd->sync_cmd == MRSAS_TRUE) {
2572                                 hdr = (struct mrsas_header *)&cmd->frame->hdr;
2573                                 con_log(CL_ANN1, (CE_CONT,
2574                                     "posting invalid status to application "
2575                                     "cmd %p index %x"
2576                                     " hdr %p "
2577                                     "time : %llx",
2578                                     (void *)cmd, cmd->index,
2579                                     (void *)hdr, gethrtime()));
2580                                 hdr->cmd_status = MFI_STAT_INVALID_STATUS;
2581                                 complete_cmd_in_sync_mode(instance, cmd);
2582                                 }
2583                         }
2584                         mlist_del_init(&cmd->list);
2585                 } else {
2586                         con_log(CL_ANN1, (CE_CONT,
2587                             "mrsas_complete_pending_cmds:"
2588                             "NULL command\n"));
2589                 }
2590                 con_log(CL_ANN1, (CE_CONT,
2591                     "mrsas_complete_pending_cmds:"
2592                     "looping for more commands\n"));
2593         }
2594         mutex_exit(&instance->cmd_pend_mtx);
2595 
2596         con_log(CL_ANN1, (CE_CONT, "mrsas_complete_pending_cmds(): DONE\n"));
2597         return (DDI_SUCCESS);
2598 }
2599 
2600 void
2601 mrsas_print_cmd_details(struct mrsas_instance *instance, 
2602                                         struct mrsas_cmd *cmd, int detail )
2603 {
2604         struct scsi_pkt *pkt = cmd->pkt;
2605         Mpi2RaidSCSIIORequest_t *scsi_io = cmd->scsi_io_request;
2606         MPI2_SCSI_IO_VENDOR_UNIQUE *raidContext;
2607         uint8_t *cdb_p;
2608         char str[100], *strp;
2609         int i, j, len;
2610         int saved_level;
2611 
2612 
2613         if (detail == 0xDD) {
2614                 saved_level = debug_level_g;
2615                 debug_level_g = CL_ANN1;
2616         }
2617 
2618 
2619         if (instance->tbolt) {
2620                 con_log(CL_ANN1, (CE_CONT, "print_cmd_details: cmd %p cmd->index 0x%x SMID 0x%x timer 0x%x sec\n",
2621                          (void *)cmd, cmd->index, cmd->SMID, cmd->drv_pkt_time));
2622         }
2623         else {
2624                 con_log(CL_ANN1, (CE_CONT, "print_cmd_details: cmd %p cmd->index 0x%x timer 0x%x sec\n",
2625                          (void *)cmd, cmd->index, cmd->drv_pkt_time));
2626         }
2627 
2628         if(pkt) {
2629                 con_log(CL_ANN1, (CE_CONT, "scsi_pkt CDB[0]=0x%x",
2630                       pkt->pkt_cdbp[0]));
2631         }else {
2632                 con_log(CL_ANN1, (CE_CONT, "NO-PKT"));
2633         }
2634 
2635         if((detail==0xDD) && instance->tbolt) {
2636                 con_log(CL_ANN1, (CE_CONT, "RAID_SCSI_IO_REQUEST\n"));
2637                 con_log(CL_ANN1, (CE_CONT, "DevHandle=0x%X Function=0x%X IoFlags=0x%X SGLFlags=0x%X DataLength=0x%X\n",
2638                         ddi_get16(instance->mpi2_frame_pool_dma_obj.acc_handle, &scsi_io->DevHandle),
2639                         ddi_get8(instance->mpi2_frame_pool_dma_obj.acc_handle, &scsi_io->Function),
2640                         ddi_get16(instance->mpi2_frame_pool_dma_obj.acc_handle, &scsi_io->IoFlags),
2641                         ddi_get16(instance->mpi2_frame_pool_dma_obj.acc_handle, &scsi_io->SGLFlags),
2642                         ddi_get32(instance->mpi2_frame_pool_dma_obj.acc_handle, &scsi_io->DataLength) ));
2643 
2644                 for(i=0; i < 32; i++)
2645                         con_log(CL_ANN1, (CE_CONT, "CDB[%d]=0x%x ",i,
2646                                 ddi_get8(instance->mpi2_frame_pool_dma_obj.acc_handle, &scsi_io->CDB.CDB32[i]) ));
2647 
2648                 con_log(CL_ANN1, (CE_CONT, "RAID-CONTEXT\n"));
2649                 con_log(CL_ANN1, (CE_CONT, "status=0x%X extStatus=0x%X ldTargetId=0x%X timeoutValue=0x%X"
2650                         "regLockFlags=0x%X RAIDFlags=0x%X regLockRowLBA=0x%lX regLockLength=0x%X spanArm=0x%X\n",
2651                         ddi_get8(instance->mpi2_frame_pool_dma_obj.acc_handle, &scsi_io->RaidContext.status),
2652                         ddi_get8(instance->mpi2_frame_pool_dma_obj.acc_handle, &scsi_io->RaidContext.extStatus),
2653                         ddi_get16(instance->mpi2_frame_pool_dma_obj.acc_handle, &scsi_io->RaidContext.ldTargetId),
2654                         ddi_get16(instance->mpi2_frame_pool_dma_obj.acc_handle, &scsi_io->RaidContext.timeoutValue),
2655                         ddi_get8(instance->mpi2_frame_pool_dma_obj.acc_handle, &scsi_io->RaidContext.regLockFlags),
2656                         ddi_get8(instance->mpi2_frame_pool_dma_obj.acc_handle, &scsi_io->RaidContext.RAIDFlags),
2657                         ddi_get64(instance->mpi2_frame_pool_dma_obj.acc_handle, &scsi_io->RaidContext.regLockRowLBA),
2658                         ddi_get32(instance->mpi2_frame_pool_dma_obj.acc_handle, &scsi_io->RaidContext.regLockLength),
2659                         ddi_get8(instance->mpi2_frame_pool_dma_obj.acc_handle, &scsi_io->RaidContext.spanArm) ));
2660 
2661 
2662         }
2663 
2664         if (detail == 0xDD) {
2665                 debug_level_g = saved_level;
2666         }
2667 
2668         return;
2669 }
2670 
2671 
2672 int
2673 mrsas_issue_pending_cmds(struct mrsas_instance *instance)
2674 {
2675         mlist_t *head   =       &instance->cmd_pend_list;
2676         mlist_t *tmp    =       head->next;
2677         struct mrsas_cmd *cmd = NULL;
2678         struct scsi_pkt *pkt;
2679 
2680         con_log(CL_ANN1, (CE_NOTE, "mrsas_issue_pending_cmds(): Called"));
2681         while (tmp != head) {
2682                 mutex_enter(&instance->cmd_pend_mtx);
2683                 cmd = mlist_entry(tmp, struct mrsas_cmd, list);
2684                 tmp = tmp->next;
2685                 mutex_exit(&instance->cmd_pend_mtx);
2686                 if (cmd) {
2687                         con_log(CL_ANN1, (CE_CONT,
2688                             "mrsas_issue_pending_cmds(): "
2689                             "Got a cmd: cmd %p index 0x%x drv_pkt_time 0x%x ",
2690                                             (void *)cmd, cmd->index, cmd->drv_pkt_time));
2691 
2692                         if (cmd->drv_pkt_time < debug_timeout_g)
2693                                 cmd->drv_pkt_time = (uint16_t)debug_timeout_g;       /* Reset command timeout value */
2694 
2695                         cmd->retry_count_for_ocr++;
2696 
2697                         cmn_err(CE_CONT, "cmd retry count = %d\n",
2698                             cmd->retry_count_for_ocr);
2699 
2700                         if (cmd->retry_count_for_ocr > IO_RETRY_COUNT) {
2701                                 cmn_err(CE_WARN,
2702                                         "mrsas_issue_pending_cmds(): cmd->retry_count exceeded limit >%d\n",
2703                                     IO_RETRY_COUNT);
2704                                 mrsas_print_cmd_details(instance, cmd, 0xDD);
2705 
2706                                 cmn_err(CE_WARN,
2707                                         "mrsas_issue_pending_cmds():"
2708                                     "Calling KILL Adapter\n");
2709                                 if (instance->tbolt)
2710                                         (void) mrsas_tbolt_kill_adapter(instance);
2711                                 else
2712                                         (void) mrsas_kill_adapter(instance);
2713                                 return (DDI_FAILURE);
2714                         }
2715 
2716                         pkt = cmd->pkt;
2717                         if (pkt) {
2718                                 con_log(CL_ANN1, (CE_CONT,
2719                                     "PENDING PKT-CMD ISSUE: cmd %p index %x "
2720                                     "pkt %p time %llx",
2721                                     (void *)cmd, cmd->index,
2722                                     (void *)pkt,
2723                                     gethrtime()));
2724 
2725                         } else {
2726                                 cmn_err(CE_CONT,
2727                                         "mrsas_issue_pending_cmds(): "
2728                                         "NO-PKT, cmd %p index 0x%x drv_pkt_time 0x%x ",
2729                                             (void *)cmd, cmd->index, cmd->drv_pkt_time);
2730                         }
2731 
2732 
2733                         if (cmd->sync_cmd == MRSAS_TRUE) {
2734                                 cmn_err(CE_CONT, "mrsas_issue_pending_cmds(): SYNC_CMD == TRUE \n");
2735 
2736                                 instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd);
2737                         } else {
2738                                 instance->func_ptr->issue_cmd(cmd, instance);
2739                         }
2740                 } else {
2741                         con_log(CL_ANN1, (CE_CONT,
2742                             "mrsas_issue_pending_cmds: NULL command\n"));
2743                 }
2744                 con_log(CL_ANN1, (CE_CONT,
2745                     "mrsas_issue_pending_cmds:"
2746                     "looping for more commands"));
2747         }
2748         con_log(CL_ANN1, (CE_CONT, "mrsas_issue_pending_cmds(): DONE\n"));
2749         return (DDI_SUCCESS);
2750 }
2751 
2752 
2753 
2754 /*
2755  * destroy_mfi_frame_pool
2756  */
2757 void
2758 destroy_mfi_frame_pool(struct mrsas_instance *instance)
2759 {
2760         int             i;
2761         uint32_t        max_cmd = instance->max_fw_cmds;
2762 
2763         struct mrsas_cmd        *cmd;
2764 
2765         /* return all frames to pool */
2766 
2767         for (i = 0; i < max_cmd; i++) {
2768 
2769                 cmd = instance->cmd_list[i];
2770 
2771                 if (cmd->frame_dma_obj_status == DMA_OBJ_ALLOCATED)
2772                         (void) mrsas_free_dma_obj(instance, cmd->frame_dma_obj);
2773 
2774                 cmd->frame_dma_obj_status  = DMA_OBJ_FREED;
2775         }
2776 
2777 }
2778 
2779 /*
2780  * create_mfi_frame_pool
2781  */
2782 int
2783 create_mfi_frame_pool(struct mrsas_instance *instance)
2784 {
2785         int             i = 0;
2786         int             cookie_cnt;
2787         uint16_t        max_cmd;
2788         uint16_t        sge_sz;
2789         uint32_t        sgl_sz;
2790         uint32_t        tot_frame_size;
2791         struct mrsas_cmd        *cmd;
2792         int                     retval = DDI_SUCCESS;
2793 
2794         max_cmd = instance->max_fw_cmds;
2795         sge_sz  = sizeof (struct mrsas_sge_ieee);
2796         /* calculated the number of 64byte frames required for SGL */
2797         sgl_sz          = sge_sz * instance->max_num_sge;
2798         tot_frame_size  = sgl_sz + MRMFI_FRAME_SIZE + SENSE_LENGTH;
2799 
2800         con_log(CL_DLEVEL3, (CE_NOTE, "create_mfi_frame_pool: "
2801             "sgl_sz %x tot_frame_size %x", sgl_sz, tot_frame_size));
2802 
2803         while (i < max_cmd) {
2804                 cmd = instance->cmd_list[i];
2805 
2806                 cmd->frame_dma_obj.size      = tot_frame_size;
2807                 cmd->frame_dma_obj.dma_attr = mrsas_generic_dma_attr;
2808                 cmd->frame_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
2809                 cmd->frame_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
2810                 cmd->frame_dma_obj.dma_attr.dma_attr_sgllen = 1;
2811                 cmd->frame_dma_obj.dma_attr.dma_attr_align = 64;
2812 
2813                 cookie_cnt = mrsas_alloc_dma_obj(instance, &cmd->frame_dma_obj,
2814                     (uchar_t)DDI_STRUCTURE_LE_ACC);
2815 
2816                 if (cookie_cnt == -1 || cookie_cnt > 1) {
2817                         cmn_err(CE_WARN,
2818                             "create_mfi_frame_pool: could not alloc.");
2819                         retval = DDI_FAILURE;
2820                         goto mrsas_undo_frame_pool;
2821                 }
2822 
2823                 bzero(cmd->frame_dma_obj.buffer, tot_frame_size);
2824 
2825                 cmd->frame_dma_obj_status = DMA_OBJ_ALLOCATED;
2826                 cmd->frame = (union mrsas_frame *)cmd->frame_dma_obj.buffer;
2827                 cmd->frame_phys_addr =
2828                     cmd->frame_dma_obj.dma_cookie[0].dmac_address;
2829 
2830                 cmd->sense = (uint8_t *)(((unsigned long)
2831                     cmd->frame_dma_obj.buffer) +
2832                     tot_frame_size - SENSE_LENGTH);
2833                 cmd->sense_phys_addr =
2834                     cmd->frame_dma_obj.dma_cookie[0].dmac_address +
2835                     tot_frame_size - SENSE_LENGTH;
2836 
2837                 if (!cmd->frame || !cmd->sense) {
2838                         cmn_err(CE_WARN,
2839                             "mr_sas: pci_pool_alloc failed");
2840                         retval = ENOMEM;
2841                         goto mrsas_undo_frame_pool;
2842                 }
2843 
2844                 ddi_put32(cmd->frame_dma_obj.acc_handle,
2845                                 &cmd->frame->io.context, cmd->index);
2846                 i++;
2847 
2848                 con_log(CL_DLEVEL3, (CE_NOTE, "[%x]-%x",
2849                     cmd->index, cmd->frame_phys_addr));
2850         }
2851 
2852         return (DDI_SUCCESS);
2853 
2854 mrsas_undo_frame_pool:
2855         if (i > 0)
2856           destroy_mfi_frame_pool(instance);
2857 
2858         return (retval);
2859 }
2860 
2861 /*
2862  * free_additional_dma_buffer
2863  */
2864 static void
2865 free_additional_dma_buffer(struct mrsas_instance *instance)
2866 {
2867         if (instance->mfi_internal_dma_obj.status == DMA_OBJ_ALLOCATED) {
2868                 (void) mrsas_free_dma_obj(instance,
2869                     instance->mfi_internal_dma_obj);
2870                 instance->mfi_internal_dma_obj.status = DMA_OBJ_FREED;
2871         }
2872 
2873         if (instance->mfi_evt_detail_obj.status == DMA_OBJ_ALLOCATED) {
2874                 (void) mrsas_free_dma_obj(instance,
2875                     instance->mfi_evt_detail_obj);
2876                 instance->mfi_evt_detail_obj.status = DMA_OBJ_FREED;
2877         }
2878 }
2879 
2880 /*
2881  * alloc_additional_dma_buffer
2882  */
2883 static int
2884 alloc_additional_dma_buffer(struct mrsas_instance *instance)
2885 {
2886         uint32_t        reply_q_sz;
2887         uint32_t        internal_buf_size = PAGESIZE*2;
2888 
2889         /* max cmds plus 1 + producer & consumer */
2890         reply_q_sz = sizeof (uint32_t) * (instance->max_fw_cmds + 1 + 2);
2891 
2892         instance->mfi_internal_dma_obj.size = internal_buf_size;
2893         instance->mfi_internal_dma_obj.dma_attr      = mrsas_generic_dma_attr;
2894         instance->mfi_internal_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
2895         instance->mfi_internal_dma_obj.dma_attr.dma_attr_count_max =
2896             0xFFFFFFFFU;
2897         instance->mfi_internal_dma_obj.dma_attr.dma_attr_sgllen      = 1;
2898 
2899         if (mrsas_alloc_dma_obj(instance, &instance->mfi_internal_dma_obj,
2900             (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
2901                 cmn_err(CE_WARN,
2902                     "mr_sas: could not alloc reply queue");
2903                 return (DDI_FAILURE);
2904         }
2905 
2906         bzero(instance->mfi_internal_dma_obj.buffer, internal_buf_size);
2907 
2908         instance->mfi_internal_dma_obj.status |= DMA_OBJ_ALLOCATED;
2909 
2910         instance->producer = (uint32_t *)((unsigned long)
2911             instance->mfi_internal_dma_obj.buffer);
2912         instance->consumer = (uint32_t *)((unsigned long)
2913             instance->mfi_internal_dma_obj.buffer + 4);
2914         instance->reply_queue = (uint32_t *)((unsigned long)
2915             instance->mfi_internal_dma_obj.buffer + 8);
2916         instance->internal_buf = (caddr_t)(((unsigned long)
2917             instance->mfi_internal_dma_obj.buffer) + reply_q_sz + 8);
2918         instance->internal_buf_dmac_add =
2919             instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address +
2920             (reply_q_sz + 8);
2921         instance->internal_buf_size = internal_buf_size -
2922             (reply_q_sz + 8);
2923 
2924         /* allocate evt_detail */
2925         instance->mfi_evt_detail_obj.size = sizeof (struct mrsas_evt_detail);
2926         instance->mfi_evt_detail_obj.dma_attr = mrsas_generic_dma_attr;
2927         instance->mfi_evt_detail_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
2928         instance->mfi_evt_detail_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
2929         instance->mfi_evt_detail_obj.dma_attr.dma_attr_sgllen = 1;
2930         instance->mfi_evt_detail_obj.dma_attr.dma_attr_align = 1;
2931 
2932         if (mrsas_alloc_dma_obj(instance, &instance->mfi_evt_detail_obj,
2933             (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
2934                 cmn_err(CE_WARN, "alloc_additional_dma_buffer: "
2935                     "could not allocate data transfer buffer.");
2936                 goto mrsas_undo_internal_buff;
2937         }
2938 
2939         bzero(instance->mfi_evt_detail_obj.buffer,
2940             sizeof (struct mrsas_evt_detail));
2941 
2942         instance->mfi_evt_detail_obj.status |= DMA_OBJ_ALLOCATED;
2943 
2944         return (DDI_SUCCESS);
2945 
2946 mrsas_undo_internal_buff:
2947         if (instance->mfi_internal_dma_obj.status == DMA_OBJ_ALLOCATED) {
2948                 (void) mrsas_free_dma_obj(instance,
2949                     instance->mfi_internal_dma_obj);
2950                 instance->mfi_internal_dma_obj.status = DMA_OBJ_FREED;
2951         }
2952 
2953         return (DDI_FAILURE);
2954 }
2955 
2956 
2957 void
2958 mrsas_free_cmd_pool(struct mrsas_instance *instance)
2959 {
2960         int             i;
2961         uint32_t        max_cmd;
2962         size_t          sz;
2963 
2964         /* already freed */
2965         if (instance->cmd_list == NULL) {
2966                 return;
2967         }
2968 
2969         max_cmd = instance->max_fw_cmds;
2970 
2971         /* size of cmd_list array */
2972         sz = sizeof (struct mrsas_cmd *) * max_cmd;
2973 
2974         /* First free each cmd */
2975         for (i = 0; i < max_cmd; i++) {
2976                 if (instance->cmd_list[i] != NULL)
2977                         kmem_free(instance->cmd_list[i],sizeof (struct mrsas_cmd));
2978 
2979                 instance->cmd_list[i] = NULL;
2980         }
2981 
2982         /* Now, free cmd_list array */
2983         if (instance->cmd_list != NULL)
2984                 kmem_free(instance->cmd_list,sz);
2985 
2986         instance->cmd_list = NULL;
2987 
2988         INIT_LIST_HEAD(&instance->cmd_pool_list);
2989         INIT_LIST_HEAD(&instance->cmd_pend_list);
2990         if (instance->tbolt) {
2991                 INIT_LIST_HEAD(&instance->cmd_app_pool_list);
2992         }
2993         else {
2994                 INIT_LIST_HEAD(&instance->app_cmd_pool_list);
2995         }
2996 
2997 }
2998 
2999 
3000 /*
3001  * mrsas_alloc_cmd_pool
3002  */
3003 int
3004 mrsas_alloc_cmd_pool(struct mrsas_instance *instance)
3005 {
3006         int             i;
3007         int             count;
3008         uint32_t        max_cmd;
3009         uint32_t        reserve_cmd;
3010         size_t          sz;
3011 
3012         struct mrsas_cmd        *cmd;
3013 
3014         max_cmd = instance->max_fw_cmds;
3015         con_log(CL_ANN1, (CE_NOTE, "mrsas_alloc_cmd_pool: "
3016             "max_cmd %x", max_cmd));
3017 
3018 
3019         sz = sizeof (struct mrsas_cmd *) * max_cmd;
3020 
3021         /*
3022          * instance->cmd_list is an array of struct mrsas_cmd pointers.
3023          * Allocate the dynamic array first and then allocate individual
3024          * commands.
3025          */
3026         instance->cmd_list = kmem_zalloc(sz, KM_SLEEP);
3027         if (instance->cmd_list == NULL) {
3028                 con_log(CL_NONE, (CE_WARN,
3029                     "Failed to allocate memory for cmd_list"));
3030                 return (DDI_FAILURE);
3031         }
3032 
3033         /* create a frame pool and assign one frame to each cmd */
3034         for (count = 0; count < max_cmd; count++) {
3035                 instance->cmd_list[count] = kmem_zalloc(sizeof (struct mrsas_cmd),
3036                     KM_SLEEP);
3037                 if (instance->cmd_list[count] == NULL) {
3038                         con_log(CL_NONE, (CE_WARN,
3039                                 "Failed to allocate memory for mrsas_cmd"));
3040                         goto mrsas_undo_cmds;
3041                 }
3042         }
3043 
3044         /* add all the commands to command pool */
3045 
3046         INIT_LIST_HEAD(&instance->cmd_pool_list);
3047         INIT_LIST_HEAD(&instance->cmd_pend_list);
3048         INIT_LIST_HEAD(&instance->app_cmd_pool_list);
3049 
3050         reserve_cmd     = MRSAS_APP_RESERVED_CMDS;
3051 
3052         for (i = 0; i < reserve_cmd; i++) {  
3053                 cmd             = instance->cmd_list[i];
3054                 cmd->index   = i;
3055                 mlist_add_tail(&cmd->list, &instance->app_cmd_pool_list);
3056         }
3057         
3058 
3059         for (i = reserve_cmd; i < max_cmd; i++) {
3060                 cmd             = instance->cmd_list[i];
3061                 cmd->index   = i;
3062                 mlist_add_tail(&cmd->list, &instance->cmd_pool_list);
3063         }
3064 
3065         return (DDI_SUCCESS);
3066 
3067 mrsas_undo_cmds:
3068         if (count > 0) {
3069                 /* free each cmd */
3070                 for (i = 0; i < count; i++) {
3071                         if (instance->cmd_list[i] != NULL)
3072                                 kmem_free(instance->cmd_list[i],sizeof (struct mrsas_cmd));
3073                         instance->cmd_list[i] = NULL;
3074                 }
3075         }
3076 
3077 mrsas_undo_cmd_list:
3078         if (instance->cmd_list != NULL)
3079                 kmem_free(instance->cmd_list,sz);
3080         instance->cmd_list = NULL;
3081 
3082         return (DDI_FAILURE);
3083 }
3084 
3085 
3086 /*
3087  * free_space_for_mfi
3088  */
3089 static void
3090 free_space_for_mfi(struct mrsas_instance *instance)
3091 {
3092 
3093         /* already freed */
3094         if (instance->cmd_list == NULL) {
3095                 return;
3096         }
3097 
3098         /* Free additional dma buffer */
3099         free_additional_dma_buffer(instance);
3100 
3101         /* Free the MFI frame pool */
3102         destroy_mfi_frame_pool(instance);
3103 
3104         /* Free all the commands in the cmd_list */
3105         /* Free the cmd_list buffer itself */
3106         mrsas_free_cmd_pool(instance);
3107 }
3108 
3109 /*
3110  * alloc_space_for_mfi
3111  */
3112 static int
3113 alloc_space_for_mfi(struct mrsas_instance *instance)
3114 {
3115         /* Allocate command pool ( memory for cmd_list & individual commands )*/
3116         if (mrsas_alloc_cmd_pool(instance)) {
3117                 cmn_err(CE_WARN, "error creating cmd pool");
3118                 return (DDI_FAILURE); 
3119         }
3120 
3121         /* Allocate MFI Frame pool */
3122         if (create_mfi_frame_pool(instance)) {
3123                 cmn_err(CE_WARN, "error creating frame DMA pool");
3124                 goto mfi_undo_cmd_pool;
3125         }
3126 
3127         /* Allocate additional DMA buffer */
3128         if (alloc_additional_dma_buffer(instance)) {
3129                 cmn_err(CE_WARN, "error creating frame DMA pool");
3130                 goto mfi_undo_frame_pool;
3131         }
3132 
3133         return (DDI_SUCCESS);
3134 
3135 mfi_undo_frame_pool:
3136         destroy_mfi_frame_pool(instance);
3137 
3138 mfi_undo_cmd_pool:
3139         mrsas_free_cmd_pool(instance);
3140 
3141         return (DDI_FAILURE);
3142 }
3143 
3144 
3145 
3146 /*
3147  * get_ctrl_info
3148  */
3149 static int
3150 get_ctrl_info(struct mrsas_instance *instance,
3151     struct mrsas_ctrl_info *ctrl_info)
3152 {
3153         int     ret = 0;
3154 
3155         struct mrsas_cmd                *cmd;
3156         struct mrsas_dcmd_frame *dcmd;
3157         struct mrsas_ctrl_info  *ci;
3158 
3159         if(instance->tbolt) {
3160                 cmd = get_raid_msg_mfi_pkt(instance);
3161         }
3162         else {
3163                 cmd = get_mfi_pkt(instance);
3164         }
3165 
3166         if (!cmd) {
3167                 cmn_err(CE_WARN,
3168                     "Failed to get a cmd from free-pool in get_ctrl_info(). fw_outstanding=0x%X max_fw_cmds=0x%X",
3169                                 instance->fw_outstanding, instance->max_fw_cmds);
3170                 return (DDI_FAILURE);
3171         }
3172 
3173         /* Clear the frame buffer and assign back the context id */
3174         (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
3175         ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
3176             cmd->index);
3177 
3178         dcmd = &cmd->frame->dcmd;
3179 
3180         ci = (struct mrsas_ctrl_info *)instance->internal_buf;
3181 
3182         if (!ci) {
3183                 cmn_err(CE_WARN,
3184                     "Failed to alloc mem for ctrl info");
3185                 return_mfi_pkt(instance, cmd);
3186                 return (DDI_FAILURE);
3187         }
3188 
3189         (void) memset(ci, 0, sizeof (struct mrsas_ctrl_info));
3190 
3191         /* for( i = 0; i < DCMD_MBOX_SZ; i++ ) dcmd->mbox.b[i] = 0; */
3192         (void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ);
3193 
3194         ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD);
3195         ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status,
3196             MFI_CMD_STATUS_POLL_MODE);
3197         ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 1);
3198         ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags,
3199             MFI_FRAME_DIR_READ);
3200         ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0);
3201         ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len,
3202             sizeof (struct mrsas_ctrl_info));
3203         ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode,
3204             MR_DCMD_CTRL_GET_INFO);
3205         ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].phys_addr,
3206             instance->internal_buf_dmac_add);
3207         ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].length,
3208             sizeof (struct mrsas_ctrl_info));
3209 
3210         cmd->frame_count = 1;
3211 
3212         if (instance->tbolt) {
3213         mr_sas_tbolt_build_mfi_cmd(instance, cmd);
3214     }
3215         
3216         if (!instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) {
3217         ret = 0;
3218 
3219         ctrl_info->max_request_size = ddi_get32(
3220             cmd->frame_dma_obj.acc_handle, &ci->max_request_size);
3221 
3222         ctrl_info->ld_present_count = ddi_get16(
3223             cmd->frame_dma_obj.acc_handle, &ci->ld_present_count);
3224 
3225         ctrl_info->properties.on_off_properties =
3226             ddi_get32(cmd->frame_dma_obj.acc_handle,
3227             &ci->properties.on_off_properties);
3228         ddi_rep_get8(cmd->frame_dma_obj.acc_handle,
3229             (uint8_t *)(ctrl_info->product_name),
3230             (uint8_t *)(ci->product_name), 80 * sizeof (char),
3231             DDI_DEV_AUTOINCR);
3232         /* should get more members of ci with ddi_get when needed */
3233         } else {
3234                 cmn_err(CE_WARN, "get_ctrl_info: Ctrl info failed");
3235                 ret = -1;
3236         }
3237 
3238         if(instance->tbolt) {
3239                 return_raid_msg_mfi_pkt(instance, cmd);
3240         }
3241         else {
3242                 return_mfi_pkt(instance, cmd);
3243         }
3244         
3245         return (ret);
3246 }
3247 
3248 /*
3249  * abort_aen_cmd
3250  */
3251 static int
3252 abort_aen_cmd(struct mrsas_instance *instance,
3253     struct mrsas_cmd *cmd_to_abort)
3254 {
3255         int     ret = 0;
3256 
3257         struct mrsas_cmd                *cmd;
3258         struct mrsas_abort_frame        *abort_fr;
3259 
3260         con_log(CL_ANN1, (CE_NOTE, "chkpnt: abort_aen:%d", __LINE__));
3261 
3262         if (instance->tbolt) {
3263                 cmd = get_raid_msg_mfi_pkt(instance);
3264         } else {
3265                 cmd = get_mfi_pkt(instance);
3266         }
3267 
3268         if (!cmd) {
3269                 cmn_err(CE_WARN,
3270                     "Failed to get a cmd from free-pool in abort_aen_cmd(). fw_outstanding=0x%X max_fw_cmds=0x%X",
3271                                 instance->fw_outstanding, instance->max_fw_cmds);
3272                 return (DDI_FAILURE);
3273         }
3274         /* Clear the frame buffer and assign back the context id */
3275         (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
3276         ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
3277             cmd->index);
3278 
3279         abort_fr = &cmd->frame->abort;
3280 
3281         /* prepare and issue the abort frame */
3282         ddi_put8(cmd->frame_dma_obj.acc_handle,
3283             &abort_fr->cmd, MFI_CMD_OP_ABORT);
3284         ddi_put8(cmd->frame_dma_obj.acc_handle, &abort_fr->cmd_status,
3285             MFI_CMD_STATUS_SYNC_MODE);
3286         ddi_put16(cmd->frame_dma_obj.acc_handle, &abort_fr->flags, 0);
3287         ddi_put32(cmd->frame_dma_obj.acc_handle, &abort_fr->abort_context,
3288             cmd_to_abort->index);
3289         ddi_put32(cmd->frame_dma_obj.acc_handle,
3290             &abort_fr->abort_mfi_phys_addr_lo, cmd_to_abort->frame_phys_addr);
3291         ddi_put32(cmd->frame_dma_obj.acc_handle,
3292             &abort_fr->abort_mfi_phys_addr_hi, 0);
3293 
3294         instance->aen_cmd->abort_aen = 1;
3295 
3296         cmd->frame_count = 1;
3297 
3298         if (instance->tbolt) {
3299                 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
3300         }
3301 
3302         if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) {
3303                 con_log(CL_ANN1, (CE_WARN,
3304                     "abort_aen_cmd: issue_cmd_in_poll_mode failed"));
3305                 ret = -1;
3306         } else {
3307                 ret = 0;
3308         }
3309 
3310         instance->aen_cmd->abort_aen = 1;
3311         instance->aen_cmd = 0;
3312 
3313         if (instance->tbolt) {
3314                 return_raid_msg_mfi_pkt(instance, cmd);
3315         } else {
3316                 return_mfi_pkt(instance, cmd);
3317         }
3318 
3319         atomic_add_16(&instance->fw_outstanding, (-1));
3320 
3321         return (ret);
3322 }
3323 
3324 
3325 static int
3326 mrsas_build_init_cmd(struct mrsas_instance *instance, struct mrsas_cmd **cmd_ptr)
3327 {
3328         struct mrsas_cmd                *cmd;
3329         struct mrsas_init_frame         *init_frame;
3330         struct mrsas_init_queue_info    *initq_info;
3331         struct mrsas_drv_ver            drv_ver_info;   
3332 
3333 
3334         /*
3335          * Prepare a init frame. Note the init frame points to queue info
3336          * structure. Each frame has SGL allocated after first 64 bytes. For
3337          * this frame - since we don't need any SGL - we use SGL's space as
3338          * queue info structure
3339          */
3340         cmd = *cmd_ptr;
3341 
3342 
3343         /* Clear the frame buffer and assign back the context id */
3344         (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
3345         ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
3346             cmd->index);
3347 
3348         init_frame = (struct mrsas_init_frame *)cmd->frame;
3349         initq_info = (struct mrsas_init_queue_info *)
3350             ((unsigned long)init_frame + 64);
3351 
3352         (void) memset(init_frame, 0, MRMFI_FRAME_SIZE);
3353         (void) memset(initq_info, 0, sizeof (struct mrsas_init_queue_info));
3354 
3355         ddi_put32(cmd->frame_dma_obj.acc_handle, &initq_info->init_flags, 0);
3356 
3357         ddi_put32(cmd->frame_dma_obj.acc_handle,
3358             &initq_info->reply_queue_entries, instance->max_fw_cmds + 1);
3359 
3360         ddi_put32(cmd->frame_dma_obj.acc_handle,
3361             &initq_info->producer_index_phys_addr_hi, 0);
3362         ddi_put32(cmd->frame_dma_obj.acc_handle,
3363             &initq_info->producer_index_phys_addr_lo,
3364             instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address);
3365 
3366         ddi_put32(cmd->frame_dma_obj.acc_handle,
3367             &initq_info->consumer_index_phys_addr_hi, 0);
3368         ddi_put32(cmd->frame_dma_obj.acc_handle,
3369             &initq_info->consumer_index_phys_addr_lo,
3370             instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 4);
3371 
3372         ddi_put32(cmd->frame_dma_obj.acc_handle,
3373             &initq_info->reply_queue_start_phys_addr_hi, 0);
3374         ddi_put32(cmd->frame_dma_obj.acc_handle,
3375             &initq_info->reply_queue_start_phys_addr_lo,
3376             instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 8);
3377 
3378         ddi_put8(cmd->frame_dma_obj.acc_handle,
3379             &init_frame->cmd, MFI_CMD_OP_INIT);
3380         ddi_put8(cmd->frame_dma_obj.acc_handle, &init_frame->cmd_status,
3381             MFI_CMD_STATUS_POLL_MODE);
3382         ddi_put16(cmd->frame_dma_obj.acc_handle, &init_frame->flags, 0);
3383         ddi_put32(cmd->frame_dma_obj.acc_handle,
3384             &init_frame->queue_info_new_phys_addr_lo,
3385             cmd->frame_phys_addr + 64);
3386         ddi_put32(cmd->frame_dma_obj.acc_handle,
3387             &init_frame->queue_info_new_phys_addr_hi, 0);
3388 
3389 
3390         /* fill driver version information*/
3391         fill_up_drv_ver(&drv_ver_info);
3392 
3393         /* allocate the driver version data transfer buffer */
3394         instance->drv_ver_dma_obj.size = sizeof(drv_ver_info.drv_ver);
3395         instance->drv_ver_dma_obj.dma_attr = mrsas_generic_dma_attr;
3396         instance->drv_ver_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
3397         instance->drv_ver_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
3398         instance->drv_ver_dma_obj.dma_attr.dma_attr_sgllen = 1;
3399         instance->drv_ver_dma_obj.dma_attr.dma_attr_align = 1;
3400 
3401         if (mrsas_alloc_dma_obj(instance, &instance->drv_ver_dma_obj,
3402             (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
3403                 con_log(CL_ANN, (CE_WARN,
3404                     "init_mfi : Could not allocate driver version buffer."));
3405                 return (DDI_FAILURE);
3406         }
3407         /* copy driver version to dma  buffer*/
3408         (void) memset(instance->drv_ver_dma_obj.buffer, 0,sizeof(drv_ver_info.drv_ver));
3409         ddi_rep_put8(cmd->frame_dma_obj.acc_handle,
3410                 (uint8_t *)drv_ver_info.drv_ver,
3411                 (uint8_t *)instance->drv_ver_dma_obj.buffer, 
3412                 sizeof(drv_ver_info.drv_ver), DDI_DEV_AUTOINCR);        
3413 
3414 
3415         /*copy driver version physical address to init frame*/
3416         ddi_put64(cmd->frame_dma_obj.acc_handle,
3417             &init_frame->driverversion, instance->drv_ver_dma_obj.dma_cookie[0].dmac_address);
3418 
3419         ddi_put32(cmd->frame_dma_obj.acc_handle, &init_frame->data_xfer_len,
3420             sizeof (struct mrsas_init_queue_info));
3421 
3422         cmd->frame_count = 1;
3423 
3424         *cmd_ptr = cmd;
3425 
3426         return (DDI_SUCCESS);
3427 }
3428 
3429 
3430 /*
3431  * mrsas_init_adapter_ppc - Initialize MFI interface adapter.
3432  */
3433 int
3434 mrsas_init_adapter_ppc (struct mrsas_instance *instance)
3435 {
3436         struct mrsas_cmd                *cmd;
3437 
3438         /* allocate memory for mfi adapter(cmd pool, individual commands, mfi frames etc */
3439         if (alloc_space_for_mfi(instance) != DDI_SUCCESS){
3440                 con_log(CL_ANN, (CE_NOTE,
3441                         "Error, failed to allocate memory for MFI adapter"));
3442                 return (DDI_FAILURE); 
3443         }
3444 
3445         /* Build INIT command */
3446         cmd = get_mfi_pkt(instance);
3447 
3448         if (mrsas_build_init_cmd(instance, &cmd) != DDI_SUCCESS){
3449                 con_log(CL_ANN, (CE_NOTE,
3450                         "Error, failed to build INIT command"));
3451 
3452                 goto fail_undo_alloc_mfi_space;
3453         }
3454 
3455         //Disalbe interrupt before sending init frame ( see linux driver code)
3456         /* send INIT MFI frame in polled mode */
3457         if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) {
3458                 con_log(CL_ANN, (CE_WARN, "failed to init firmware"));
3459                 goto fail_fw_init;
3460         }
3461 
3462         if (instance->func_ptr->read_fw_status_reg(instance) & 0x04000000) {
3463                 con_log(CL_ANN, (CE_NOTE, "mr_sas: IEEE SGL's supported"));
3464                 instance->flag_ieee = 1;
3465         }
3466 
3467         instance->unroll.alloc_space_mfi = 1;
3468         instance->unroll.verBuff = 1;
3469 
3470         return (DDI_SUCCESS);
3471 
3472 
3473 fail_fw_init:
3474         mrsas_free_dma_obj(instance, instance->drv_ver_dma_obj);
3475 
3476 fail_undo_alloc_mfi_space:
3477         return_mfi_pkt(instance, cmd);
3478         free_space_for_mfi(instance);
3479 
3480         return (DDI_FAILURE);
3481 
3482 }
3483 
3484 /*
3485  * mrsas_init_adapter - Initialize adapter.
3486  */
3487 int
3488 mrsas_init_adapter (struct mrsas_instance *instance)
3489 {
3490         struct mrsas_ctrl_info          ctrl_info;
3491 
3492 
3493         /* we expect the FW state to be READY */
3494         if (mfi_state_transition_to_ready(instance)) {
3495                 con_log(CL_ANN, (CE_WARN, "mr_sas: F/W is not ready"));
3496                 return (DDI_FAILURE);
3497         }
3498 
3499         /* get various operational parameters from status register */
3500         instance->max_num_sge =
3501             (instance->func_ptr->read_fw_status_reg(instance) &
3502             0xFF0000) >> 0x10;
3503         instance->max_num_sge =
3504             (instance->max_num_sge > MRSAS_MAX_SGE_CNT) ?
3505             MRSAS_MAX_SGE_CNT : instance->max_num_sge;
3506 
3507         /*
3508          * Reduce the max supported cmds by 1. This is to ensure that the
3509          * reply_q_sz (1 more than the max cmd that driver may send)
3510          * does not exceed max cmds that the FW can support
3511          */
3512         instance->max_fw_cmds =
3513             instance->func_ptr->read_fw_status_reg(instance) & 0xFFFF;
3514         instance->max_fw_cmds = instance->max_fw_cmds - 1;
3515 
3516 
3517 
3518         /* Initialize adapter */
3519         if (instance->func_ptr->init_adapter(instance) != DDI_SUCCESS) {
3520                 con_log(CL_ANN, (CE_WARN, "mr_sas: "
3521                         "could not initialize adapter"));
3522                 return (DDI_FAILURE);
3523         }
3524         
3525         /* gather misc FW related information */
3526         instance->disable_online_ctrl_reset = 0;
3527 
3528         if (!get_ctrl_info(instance, &ctrl_info)) {
3529                 instance->max_sectors_per_req = ctrl_info.max_request_size;
3530                 con_log(CL_ANN1, (CE_NOTE,
3531                     "product name %s ld present %d",
3532                     ctrl_info.product_name, ctrl_info.ld_present_count));
3533         } else {
3534                 instance->max_sectors_per_req = instance->max_num_sge *
3535                     PAGESIZE / 512;
3536         }
3537 
3538         if (ctrl_info.properties.on_off_properties & DISABLE_OCR_PROP_FLAG) {
3539                 instance->disable_online_ctrl_reset = 1;
3540                 con_log(CL_ANN1, (CE_NOTE,
3541                         "Disable online control Flag is set\n"));
3542         }
3543         else {
3544                 con_log(CL_ANN1, (CE_NOTE,
3545                         "Disable online control Flag is not set\n"));   
3546         }
3547 
3548         return (DDI_SUCCESS);
3549 
3550 }
3551 
3552 
3553 
3554 static int
3555 mrsas_issue_init_mfi(struct mrsas_instance *instance)
3556 {
3557         struct mrsas_cmd                *cmd;
3558         struct mrsas_init_frame         *init_frame;
3559         struct mrsas_init_queue_info    *initq_info;
3560 
3561 /*
3562  * Prepare a init frame. Note the init frame points to queue info
3563  * structure. Each frame has SGL allocated after first 64 bytes. For
3564  * this frame - since we don't need any SGL - we use SGL's space as
3565  * queue info structure
3566  */
3567         con_log(CL_ANN1, (CE_NOTE,
3568             "mrsas_issue_init_mfi: entry\n"));
3569         cmd = get_mfi_app_pkt(instance);
3570 
3571         if (!cmd) {
3572                 con_log(CL_ANN1, (CE_WARN,
3573                     "mrsas_issue_init_mfi: get_pkt failed\n"));
3574                 return (DDI_FAILURE);
3575         }
3576 
3577         /* Clear the frame buffer and assign back the context id */
3578         (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
3579         ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
3580             cmd->index);
3581 
3582         init_frame = (struct mrsas_init_frame *)cmd->frame;
3583         initq_info = (struct mrsas_init_queue_info *)
3584             ((unsigned long)init_frame + 64);
3585 
3586         (void) memset(init_frame, 0, MRMFI_FRAME_SIZE);
3587         (void) memset(initq_info, 0, sizeof (struct mrsas_init_queue_info));
3588 
3589         ddi_put32(cmd->frame_dma_obj.acc_handle, &initq_info->init_flags, 0);
3590 
3591         ddi_put32(cmd->frame_dma_obj.acc_handle,
3592             &initq_info->reply_queue_entries, instance->max_fw_cmds + 1);
3593         ddi_put32(cmd->frame_dma_obj.acc_handle,
3594             &initq_info->producer_index_phys_addr_hi, 0);
3595         ddi_put32(cmd->frame_dma_obj.acc_handle,
3596             &initq_info->producer_index_phys_addr_lo,
3597             instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address);
3598         ddi_put32(cmd->frame_dma_obj.acc_handle,
3599             &initq_info->consumer_index_phys_addr_hi, 0);
3600         ddi_put32(cmd->frame_dma_obj.acc_handle,
3601             &initq_info->consumer_index_phys_addr_lo,
3602             instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 4);
3603 
3604         ddi_put32(cmd->frame_dma_obj.acc_handle,
3605             &initq_info->reply_queue_start_phys_addr_hi, 0);
3606         ddi_put32(cmd->frame_dma_obj.acc_handle,
3607             &initq_info->reply_queue_start_phys_addr_lo,
3608             instance->mfi_internal_dma_obj.dma_cookie[0].dmac_address + 8);
3609 
3610         ddi_put8(cmd->frame_dma_obj.acc_handle,
3611             &init_frame->cmd, MFI_CMD_OP_INIT);
3612         ddi_put8(cmd->frame_dma_obj.acc_handle, &init_frame->cmd_status,
3613             MFI_CMD_STATUS_POLL_MODE);
3614         ddi_put16(cmd->frame_dma_obj.acc_handle, &init_frame->flags, 0);
3615         ddi_put32(cmd->frame_dma_obj.acc_handle,
3616             &init_frame->queue_info_new_phys_addr_lo,
3617             cmd->frame_phys_addr + 64);
3618         ddi_put32(cmd->frame_dma_obj.acc_handle,
3619             &init_frame->queue_info_new_phys_addr_hi, 0);
3620 
3621         ddi_put32(cmd->frame_dma_obj.acc_handle, &init_frame->data_xfer_len,
3622             sizeof (struct mrsas_init_queue_info));
3623 
3624         cmd->frame_count = 1;
3625 
3626         /* issue the init frame in polled mode */
3627         if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) {
3628                 con_log(CL_ANN1, (CE_WARN,
3629                     "mrsas_issue_init_mfi():failed to "
3630                     "init firmware"));
3631                 return_mfi_app_pkt(instance, cmd);
3632                 return (DDI_FAILURE);
3633         }
3634 
3635         return_mfi_app_pkt(instance, cmd);
3636         con_log(CL_ANN1, (CE_CONT, "mrsas_issue_init_mfi: Done"));
3637 
3638         return (DDI_SUCCESS);
3639 }
3640 /*
3641  * mfi_state_transition_to_ready        : Move the FW to READY state
3642  *
3643  * @reg_set                     : MFI register set
3644  */
3645 int
3646 mfi_state_transition_to_ready(struct mrsas_instance *instance)
3647 {
3648         int             i;
3649         uint8_t         max_wait;
3650         uint32_t        fw_ctrl = 0;
3651         uint32_t        fw_state;
3652         uint32_t        cur_state;
3653         uint32_t        cur_abs_reg_val;
3654         uint32_t        prev_abs_reg_val;
3655         uint32_t        status;
3656 
3657         cur_abs_reg_val =
3658             instance->func_ptr->read_fw_status_reg(instance);
3659         fw_state =
3660             cur_abs_reg_val & MFI_STATE_MASK;
3661         con_log(CL_ANN1, (CE_CONT,
3662             "mfi_state_transition_to_ready:FW state = 0x%x", fw_state));
3663 
3664         while (fw_state != MFI_STATE_READY) {
3665                 con_log(CL_ANN, (CE_CONT,
3666                     "mfi_state_transition_to_ready:FW state%x", fw_state));
3667 
3668                 switch (fw_state) {
3669                 case MFI_STATE_FAULT:
3670                         con_log(CL_ANN, (CE_NOTE,
3671                             "mr_sas: FW in FAULT state!!"));
3672 
3673                         return (ENODEV);
3674                 case MFI_STATE_WAIT_HANDSHAKE:
3675                         /* set the CLR bit in IMR0 */
3676                         con_log(CL_ANN1, (CE_NOTE,
3677                             "mr_sas: FW waiting for HANDSHAKE"));
3678                         /*
3679                          * PCI_Hot Plug: MFI F/W requires
3680                          * (MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG)
3681                          * to be set
3682                          */
3683                         /* WR_IB_MSG_0(MFI_INIT_CLEAR_HANDSHAKE, instance); */
3684                         if (!instance->tbolt) {
3685                                 WR_IB_DOORBELL(MFI_INIT_CLEAR_HANDSHAKE |
3686                                     MFI_INIT_HOTPLUG, instance);
3687                         } else {
3688                                 WR_RESERVED0_REGISTER(MFI_INIT_CLEAR_HANDSHAKE |
3689                                     MFI_INIT_HOTPLUG, instance);
3690                         }
3691                         max_wait        = (instance->tbolt == 1) ? 180 : 2;
3692                         cur_state       = MFI_STATE_WAIT_HANDSHAKE;
3693                         break;
3694                 case MFI_STATE_BOOT_MESSAGE_PENDING:
3695                         /* set the CLR bit in IMR0 */
3696                         con_log(CL_ANN1, (CE_NOTE,
3697                             "mr_sas: FW state boot message pending"));
3698                         /*
3699                          * PCI_Hot Plug: MFI F/W requires
3700                          * (MFI_INIT_CLEAR_HANDSHAKE|MFI_INIT_HOTPLUG)
3701                          * to be set
3702                          */
3703                         if (!instance->tbolt) {
3704                                 WR_IB_DOORBELL(MFI_INIT_HOTPLUG, instance);
3705                         } else {
3706                                 WR_RESERVED0_REGISTER(MFI_INIT_HOTPLUG,
3707                                     instance);
3708                         }
3709                         max_wait        = (instance->tbolt == 1) ? 180 : 10;
3710                         cur_state       = MFI_STATE_BOOT_MESSAGE_PENDING;
3711                         break;
3712                 case MFI_STATE_OPERATIONAL:
3713                         /* bring it to READY state; assuming max wait 2 secs */
3714                         instance->func_ptr->disable_intr(instance);
3715                         con_log(CL_ANN1, (CE_NOTE,
3716                             "mr_sas: FW in OPERATIONAL state"));
3717                         /*
3718                          * PCI_Hot Plug: MFI F/W requires
3719                          * (MFI_INIT_READY | MFI_INIT_MFIMODE | MFI_INIT_ABORT)
3720                          * to be set
3721                          */
3722                         /* WR_IB_DOORBELL(MFI_INIT_READY, instance); */
3723                         if (!instance->tbolt) {
3724                                 WR_IB_DOORBELL(MFI_RESET_FLAGS, instance);
3725                         } else {
3726                                 WR_RESERVED0_REGISTER(MFI_RESET_FLAGS,
3727                                     instance);
3728 
3729                                 for (i = 0; i < (10 * 1000); i++) {
3730                                         status =
3731                                             RD_RESERVED0_REGISTER(instance);
3732                                         if (status & 1)
3733                                                 delay(1 *
3734                                                     drv_usectohz(MILLISEC));
3735                                         else
3736                                                 break;
3737                                 }
3738 
3739                         }
3740                         max_wait        = (instance->tbolt == 1) ? 180 : 10;
3741                         cur_state       = MFI_STATE_OPERATIONAL;
3742                         break;
3743                 case MFI_STATE_UNDEFINED:
3744                         /* this state should not last for more than 2 seconds */
3745                         con_log(CL_ANN1, (CE_NOTE, "FW state undefined"));
3746 
3747                         max_wait        = (instance->tbolt == 1) ? 180 : 2;
3748                         cur_state       = MFI_STATE_UNDEFINED;
3749                         break;
3750                 case MFI_STATE_BB_INIT:
3751                         max_wait        = (instance->tbolt == 1) ? 180 : 2;
3752                         cur_state       = MFI_STATE_BB_INIT;
3753                         break;
3754                 case MFI_STATE_FW_INIT:
3755                         max_wait        = (instance->tbolt == 1) ? 180 : 2;
3756                         cur_state       = MFI_STATE_FW_INIT;
3757                         break;
3758                 case MFI_STATE_FW_INIT_2:
3759                         max_wait        = 180;
3760                         cur_state       = MFI_STATE_FW_INIT_2;
3761                         break;
3762                 case MFI_STATE_DEVICE_SCAN:
3763                         max_wait        = 180;
3764                         cur_state       = MFI_STATE_DEVICE_SCAN;
3765                         prev_abs_reg_val = cur_abs_reg_val;
3766                         con_log(CL_NONE, (CE_NOTE,
3767                             "Device scan in progress ...\n"));
3768                         break;
3769                 case MFI_STATE_FLUSH_CACHE:
3770                         max_wait        = 180;
3771                         cur_state       = MFI_STATE_FLUSH_CACHE;
3772                         break;
3773                 default:
3774                         con_log(CL_ANN1, (CE_NOTE,
3775                             "mr_sas: Unknown state 0x%x", fw_state));
3776                         return (ENODEV);
3777                 }
3778 
3779                 /* the cur_state should not last for more than max_wait secs */
3780                 for (i = 0; i < (max_wait * MILLISEC); i++) {
3781                         /* fw_state = RD_OB_MSG_0(instance) & MFI_STATE_MASK; */
3782                         cur_abs_reg_val =
3783                             instance->func_ptr->read_fw_status_reg(instance);
3784                         fw_state = cur_abs_reg_val & MFI_STATE_MASK;
3785 
3786                         if (fw_state == cur_state) {
3787                                 delay(1 * drv_usectohz(MILLISEC));
3788                         } else {
3789                                 break;
3790                         }
3791                 }
3792                 if (fw_state == MFI_STATE_DEVICE_SCAN) {
3793                         if (prev_abs_reg_val != cur_abs_reg_val) {
3794                                 continue;
3795                         }
3796                 }
3797 
3798                 /* return error if fw_state hasn't changed after max_wait */
3799                 if (fw_state == cur_state) {
3800                         con_log(CL_ANN1, (CE_WARN,
3801                             "FW state hasn't changed in %d secs", max_wait));
3802                         return (ENODEV);
3803                 }
3804         };
3805 
3806         if (!instance->tbolt) {
3807                 fw_ctrl = RD_IB_DOORBELL(instance);
3808                 con_log(CL_ANN1, (CE_CONT,
3809                     "mfi_state_transition_to_ready:FW ctrl = 0x%x", fw_ctrl));
3810         }
3811 
3812 #if 0
3813         /*
3814          * Write 0xF to the doorbell register to do the following.
3815          * - Abort all outstanding commands (bit 0).
3816          * - Transition from OPERATIONAL to READY state (bit 1).
3817          * - Discard (possible) low MFA posted in 64-bit mode (bit-2).
3818          * - Set to release FW to continue running (i.e. BIOS handshake
3819          *   (bit 3).
3820          */
3821         if (!instance->tbolt) {
3822                 WR_IB_DOORBELL(0xF, instance);
3823         }
3824 #endif
3825 
3826         return (DDI_SUCCESS);
3827 }
3828 
3829 /*
3830  * get_seq_num
3831  */
3832 static int
3833 get_seq_num(struct mrsas_instance *instance,
3834     struct mrsas_evt_log_info *eli)
3835 {
3836         int     ret = DDI_SUCCESS;
3837 
3838         dma_obj_t                       dcmd_dma_obj;
3839         struct mrsas_cmd                *cmd;
3840         struct mrsas_dcmd_frame         *dcmd;
3841         struct mrsas_evt_log_info *eli_tmp;
3842         if (instance->tbolt) {
3843                 cmd = get_raid_msg_mfi_pkt(instance);
3844         } else {
3845                 cmd = get_mfi_pkt(instance);
3846         }
3847 
3848         if (!cmd) {
3849                 cmn_err(CE_WARN,
3850                     "Failed to get a cmd from free-pool in get_seq_num(). fw_outstanding=0x%X max_fw_cmds=0x%X",
3851                         instance->fw_outstanding, instance->max_fw_cmds);
3852                 return (ENOMEM);
3853         }
3854 
3855         /* Clear the frame buffer and assign back the context id */
3856         (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
3857         ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
3858             cmd->index);
3859 
3860         dcmd    = &cmd->frame->dcmd;
3861 
3862         /* allocate the data transfer buffer */
3863         dcmd_dma_obj.size = sizeof (struct mrsas_evt_log_info);
3864         dcmd_dma_obj.dma_attr = mrsas_generic_dma_attr;
3865         dcmd_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
3866         dcmd_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
3867         dcmd_dma_obj.dma_attr.dma_attr_sgllen = 1;
3868         dcmd_dma_obj.dma_attr.dma_attr_align = 1;
3869 
3870         if (mrsas_alloc_dma_obj(instance, &dcmd_dma_obj,
3871             (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
3872                 cmn_err(CE_WARN,
3873                     "get_seq_num: could not allocate data transfer buffer.");
3874                 return (DDI_FAILURE);
3875         }
3876 
3877         (void) memset(dcmd_dma_obj.buffer, 0,
3878             sizeof (struct mrsas_evt_log_info));
3879 
3880         (void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ);
3881 
3882         ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD);
3883         ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status, 0);
3884         ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 1);
3885         ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags,
3886             MFI_FRAME_DIR_READ);
3887         ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0);
3888         ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len,
3889             sizeof (struct mrsas_evt_log_info));
3890         ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode,
3891             MR_DCMD_CTRL_EVENT_GET_INFO);
3892         ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].length,
3893             sizeof (struct mrsas_evt_log_info));
3894         ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].phys_addr,
3895             dcmd_dma_obj.dma_cookie[0].dmac_address);
3896 
3897         cmd->sync_cmd = MRSAS_TRUE;
3898         cmd->frame_count = 1;
3899 
3900         if (instance->tbolt) {
3901                 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
3902         }
3903 
3904         if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) {
3905                 cmn_err(CE_WARN, "get_seq_num: "
3906                     "failed to issue MRSAS_DCMD_CTRL_EVENT_GET_INFO");
3907                 ret = DDI_FAILURE;
3908         } else {
3909                 eli_tmp = (struct mrsas_evt_log_info *)dcmd_dma_obj.buffer;
3910                 eli->newest_seq_num = ddi_get32(cmd->frame_dma_obj.acc_handle,
3911                     &eli_tmp->newest_seq_num);
3912                 ret = DDI_SUCCESS;
3913         }
3914 
3915         if (mrsas_free_dma_obj(instance, dcmd_dma_obj) != DDI_SUCCESS)
3916                 ret = DDI_FAILURE;
3917 
3918         if (instance->tbolt) {
3919                 return_raid_msg_mfi_pkt(instance, cmd);
3920         } else {
3921                 return_mfi_pkt(instance, cmd);
3922         }
3923 
3924         return (ret);
3925 }
3926 
3927 /*
3928  * start_mfi_aen
3929  */
3930 static int
3931 start_mfi_aen(struct mrsas_instance *instance)
3932 {
3933         int     ret = 0;
3934 
3935         struct mrsas_evt_log_info       eli;
3936         union mrsas_evt_class_locale    class_locale;
3937 
3938         /* get the latest sequence number from FW */
3939         (void) memset(&eli, 0, sizeof (struct mrsas_evt_log_info));
3940 
3941         if (get_seq_num(instance, &eli)) {
3942                 cmn_err(CE_WARN, "start_mfi_aen: failed to get seq num");
3943                 return (-1);
3944         }
3945 
3946         /* register AEN with FW for latest sequence number plus 1 */
3947         class_locale.members.reserved   = 0;
3948         class_locale.members.locale     = LE_16(MR_EVT_LOCALE_ALL);
3949         class_locale.members.class      = MR_EVT_CLASS_INFO;
3950         class_locale.word       = LE_32(class_locale.word);
3951         ret = register_mfi_aen(instance, eli.newest_seq_num + 1,
3952             class_locale.word);
3953 
3954         if (ret) {
3955                 cmn_err(CE_WARN, "start_mfi_aen: aen registration failed");
3956                 return (-1);
3957         }
3958 
3959 
3960         return (ret);
3961 }
3962 
3963 /*
3964  * flush_cache
3965  */
3966 static void
3967 flush_cache(struct mrsas_instance *instance)
3968 {
3969         struct mrsas_cmd                *cmd = NULL;
3970         struct mrsas_dcmd_frame         *dcmd;
3971         uint32_t        max_cmd = instance->max_fw_cmds;
3972         if (instance->tbolt) {
3973                 cmd = get_raid_msg_mfi_pkt(instance);
3974         } else {
3975                 cmd = get_mfi_pkt(instance);
3976         }
3977 
3978         if (!cmd) {
3979                 cmn_err(CE_WARN,
3980                     "Failed to get a cmd from free-pool in flush_cache(). fw_outstanding=0x%X max_fw_cmds=0x%X",
3981                                 instance->fw_outstanding, instance->max_fw_cmds);
3982                 return;
3983         }
3984 
3985         /* Clear the frame buffer and assign back the context id */
3986         (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
3987         ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
3988             cmd->index);
3989 
3990         dcmd = &cmd->frame->dcmd;
3991 
3992         (void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ);
3993 
3994         ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD);
3995         ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status, 0x0);
3996         ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 0);
3997         ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags,
3998             MFI_FRAME_DIR_NONE);
3999         ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0);
4000         ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len, 0);
4001         ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode,
4002             MR_DCMD_CTRL_CACHE_FLUSH);
4003         ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->mbox.b[0],
4004             MR_FLUSH_CTRL_CACHE | MR_FLUSH_DISK_CACHE);
4005 
4006         cmd->frame_count = 1;
4007 
4008         if (instance->tbolt) {
4009                 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
4010         }
4011 
4012         if (instance->func_ptr->issue_cmd_in_poll_mode(instance, cmd)) {
4013                 con_log(CL_ANN1, (CE_WARN,
4014             "flush_cache: failed to issue MFI_DCMD_CTRL_CACHE_FLUSH"));
4015         }
4016         con_log(CL_ANN1, (CE_CONT, "flush_cache done"));
4017         if (instance->tbolt) {
4018                 return_raid_msg_mfi_pkt(instance, cmd);
4019         } else {
4020                 return_mfi_pkt(instance, cmd);
4021         }
4022 
4023 }
4024 
4025 /*
4026  * service_mfi_aen-     Completes an AEN command
4027  * @instance:                   Adapter soft state
4028  * @cmd:                        Command to be completed
4029  *
4030  */
4031 void
4032 service_mfi_aen(struct mrsas_instance *instance, struct mrsas_cmd *cmd)
4033 {
4034         uint32_t        seq_num;
4035         uint32_t        i;
4036         struct mrsas_evt_detail *evt_detail =
4037             (struct mrsas_evt_detail *)instance->mfi_evt_detail_obj.buffer;
4038         int             rval = 0;
4039         int             tgt = 0;
4040         uint8_t         dtype;
4041 #ifdef PDSUPPORT
4042         mrsas_pd_address_t      *pd_addr;
4043 #endif
4044         ddi_acc_handle_t                acc_handle;
4045 
4046         con_log(CL_ANN, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
4047 
4048         acc_handle = cmd->frame_dma_obj.acc_handle;
4049         cmd->cmd_status = ddi_get8(acc_handle, &cmd->frame->io.cmd_status);
4050         if (cmd->cmd_status == ENODATA) {
4051                 cmd->cmd_status = 0;
4052         }
4053 
4054         /*
4055          * log the MFI AEN event to the sysevent queue so that
4056          * application will get noticed
4057          */
4058         if (ddi_log_sysevent(instance->dip, DDI_VENDOR_LSI, "LSIMEGA", "SAS",
4059             NULL, NULL, DDI_NOSLEEP) != DDI_SUCCESS) {
4060                 int     instance_no = ddi_get_instance(instance->dip);
4061                 con_log(CL_ANN, (CE_WARN,
4062                     "mr_sas%d: Failed to log AEN event", instance_no));
4063         }
4064         /*
4065          * Check for any ld devices that has changed state. i.e. online
4066          * or offline.
4067          */
4068         con_log(CL_ANN1, (CE_CONT,
4069             "AEN: code = %x class = %x locale = %x args = %x",
4070             ddi_get32(acc_handle, &evt_detail->code),
4071             evt_detail->cl.members.class,
4072             ddi_get16(acc_handle, &evt_detail->cl.members.locale),
4073             ddi_get8(acc_handle, &evt_detail->arg_type)));
4074 
4075         switch (ddi_get32(acc_handle, &evt_detail->code)) {
4076         case MR_EVT_CFG_CLEARED: {
4077                 for (tgt = 0; tgt < MRDRV_MAX_LD; tgt++) {
4078                         if (instance->mr_ld_list[tgt].dip != NULL) {
4079                                 mutex_enter(&instance->config_dev_mtx);
4080                                 instance->mr_ld_list[tgt].flag =
4081                                     ~MRDRV_TGT_VALID;
4082                                 mutex_exit(&instance->config_dev_mtx);
4083                                 rval = mrsas_service_evt(instance, tgt, 0,
4084                                     MRSAS_EVT_UNCONFIG_TGT, NULL);
4085                                 con_log(CL_ANN1, (CE_WARN,
4086                                     "mr_sas: CFG CLEARED AEN rval = %d "
4087                                     "tgt id = %d", rval, tgt));
4088                         }
4089                 }
4090                 break;
4091         }
4092 
4093         case MR_EVT_LD_DELETED: {
4094                 tgt = ddi_get16(acc_handle, &evt_detail->args.ld.target_id);
4095                 mutex_enter(&instance->config_dev_mtx);
4096                 instance->mr_ld_list[tgt].flag = ~MRDRV_TGT_VALID;
4097                 mutex_exit(&instance->config_dev_mtx);
4098                 rval = mrsas_service_evt(instance,
4099                     ddi_get16(acc_handle, &evt_detail->args.ld.target_id), 0,
4100                     MRSAS_EVT_UNCONFIG_TGT, NULL);
4101                 con_log(CL_ANN1, (CE_WARN, "mr_sas: LD DELETED AEN rval = %d "
4102                     "tgt id = %d index = %d", rval,
4103                     ddi_get16(acc_handle, &evt_detail->args.ld.target_id),
4104                     ddi_get8(acc_handle, &evt_detail->args.ld.ld_index)));
4105                 break;
4106         } /* End of MR_EVT_LD_DELETED */
4107 
4108         case MR_EVT_LD_CREATED: {
4109                 rval = mrsas_service_evt(instance,
4110                     ddi_get16(acc_handle, &evt_detail->args.ld.target_id), 0,
4111                     MRSAS_EVT_CONFIG_TGT, NULL);
4112                 con_log(CL_ANN1, (CE_WARN, "mr_sas: LD CREATED AEN rval = %d "
4113                     "tgt id = %d index = %d", rval,
4114                     ddi_get16(acc_handle, &evt_detail->args.ld.target_id),
4115                     ddi_get8(acc_handle, &evt_detail->args.ld.ld_index)));
4116                 break;
4117         } /* End of MR_EVT_LD_CREATED */
4118 
4119 #ifdef PDSUPPORT
4120         case MR_EVT_PD_REMOVED_EXT: { 
4121                 if (instance->tbolt) {
4122                         pd_addr = &evt_detail->args.pd_addr;
4123                         dtype = pd_addr->scsi_dev_type;
4124                         con_log(CL_DLEVEL1, (CE_NOTE,
4125                            " MR_EVT_PD_REMOVED_EXT: dtype = %x," 
4126                             " arg_type = %d ", dtype, evt_detail->arg_type));
4127                             tgt = ddi_get16(acc_handle, &evt_detail->args.pd.device_id);
4128                         mutex_enter(&instance->config_dev_mtx);
4129                         instance->mr_tbolt_pd_list[tgt].flag = (uint8_t)~MRDRV_TGT_VALID;
4130                         mutex_exit(&instance->config_dev_mtx);
4131                         rval = mrsas_service_evt(instance,
4132                         ddi_get16(acc_handle, &evt_detail->args.pd.device_id),
4133                             1, MRSAS_EVT_UNCONFIG_TGT, NULL);
4134                         con_log(CL_ANN1, (CE_WARN, "mr_sas: PD_REMOVED:"
4135                             "rval = %d tgt id = %d ", rval,
4136                         ddi_get16(acc_handle, &evt_detail->args.pd.device_id)));
4137                         break;
4138                 }
4139         }/* End of MR_EVT_PD_REMOVED_EXT */
4140 
4141         case MR_EVT_PD_INSERTED_EXT: {
4142                 if (instance->tbolt) {
4143                         rval = mrsas_service_evt(instance,
4144                         ddi_get16(acc_handle, &evt_detail->args.pd.device_id),
4145                             1, MRSAS_EVT_CONFIG_TGT, NULL);
4146                         con_log(CL_ANN1, (CE_WARN, "mr_sas: PD_INSERTEDi_EXT:"
4147                             "rval = %d tgt id = %d ", rval,
4148                             ddi_get16(acc_handle, &evt_detail->args.pd.device_id)));
4149                         break;
4150                 }
4151         }/* End of MR_EVT_PD_INSERTED_EXT */
4152 
4153         case MR_EVT_PD_STATE_CHANGE: {
4154                 if (instance->tbolt) {
4155                         tgt = ddi_get16(acc_handle, &evt_detail->args.pd.device_id);
4156                         if ((evt_detail->args.pd_state.prevState == PD_SYSTEM) &&
4157                             (evt_detail->args.pd_state.newState != PD_SYSTEM)) {
4158                                 mutex_enter(&instance->config_dev_mtx);
4159                                 instance->mr_tbolt_pd_list[tgt].flag =
4160                                     (uint8_t)~MRDRV_TGT_VALID;
4161                                 mutex_exit(&instance->config_dev_mtx);
4162                                 rval = mrsas_service_evt(instance,
4163                                     ddi_get16(acc_handle,
4164                                     &evt_detail->args.pd.device_id),
4165                                     1, MRSAS_EVT_UNCONFIG_TGT, NULL);
4166                                 con_log(CL_ANN1, (CE_WARN, "mr_sas: PD_REMOVED:"
4167                                     "rval = %d tgt id = %d ", rval,
4168                                     ddi_get16(acc_handle,
4169                                     &evt_detail->args.pd.device_id)));   
4170                                 break;
4171                         }                                       
4172                         if ((evt_detail->args.pd_state.prevState
4173                             == UNCONFIGURED_GOOD) &&
4174                             (evt_detail->args.pd_state.newState == PD_SYSTEM)) {
4175                                 rval = mrsas_service_evt(instance,
4176                                 ddi_get16(acc_handle,
4177                                     &evt_detail->args.pd.device_id),
4178                                     1, MRSAS_EVT_CONFIG_TGT, NULL);
4179                                 con_log(CL_ANN1, (CE_WARN,
4180                                     "mr_sas: PD_INSERTED: rval = %d "
4181                                     " tgt id = %d ", rval,
4182                                     ddi_get16(acc_handle,
4183                                     &evt_detail->args.pd.device_id)));
4184                                 break;
4185                         }       
4186                 }
4187         }
4188 #endif
4189 
4190         } /* End of Main Switch */
4191 
4192         /* get copy of seq_num and class/locale for re-registration */
4193         seq_num = ddi_get32(acc_handle, &evt_detail->seq_num);
4194         seq_num++;
4195         (void) memset(instance->mfi_evt_detail_obj.buffer, 0,
4196             sizeof (struct mrsas_evt_detail));
4197 
4198         ddi_put8(acc_handle, &cmd->frame->dcmd.cmd_status, 0x0);
4199         ddi_put32(acc_handle, &cmd->frame->dcmd.mbox.w[0], seq_num);
4200 
4201         instance->aen_seq_num = seq_num;
4202 
4203         cmd->frame_count = 1;
4204 
4205         cmd->retry_count_for_ocr = 0;
4206         cmd->drv_pkt_time = 0;
4207 
4208         /* Issue the aen registration frame */
4209         instance->func_ptr->issue_cmd(cmd, instance);
4210 }
4211 
4212 /*
4213  * complete_cmd_in_sync_mode -  Completes an internal command
4214  * @instance:                   Adapter soft state
4215  * @cmd:                        Command to be completed
4216  *
4217  * The issue_cmd_in_sync_mode() function waits for a command to complete
4218  * after it issues a command. This function wakes up that waiting routine by
4219  * calling wake_up() on the wait queue.
4220  */
4221 static void
4222 complete_cmd_in_sync_mode(struct mrsas_instance *instance,
4223     struct mrsas_cmd *cmd)
4224 {
4225         cmd->cmd_status = ddi_get8(cmd->frame_dma_obj.acc_handle,
4226             &cmd->frame->io.cmd_status);
4227 
4228         cmd->sync_cmd = MRSAS_FALSE;
4229 
4230         con_log(CL_ANN1, (CE_NOTE, "complete_cmd_in_sync_mode called %p \n",
4231             (void *)cmd));
4232 
4233         mutex_enter(&instance->int_cmd_mtx);
4234         if (cmd->cmd_status == ENODATA) {
4235                 cmd->cmd_status = 0;
4236         }
4237         cv_broadcast(&instance->int_cmd_cv);
4238         mutex_exit(&instance->int_cmd_mtx);
4239 
4240 }
4241 
4242 /*
4243  * Call this function inside mrsas_softintr.
4244  * mrsas_initiate_ocr_if_fw_is_faulty  - Initiates OCR if FW status is faulty
4245  * @instance:                   Adapter soft state
4246  */
4247 
4248 static uint32_t
4249 mrsas_initiate_ocr_if_fw_is_faulty(struct mrsas_instance *instance)
4250 {
4251         uint32_t        cur_abs_reg_val;
4252         uint32_t        fw_state;
4253 
4254         cur_abs_reg_val =  instance->func_ptr->read_fw_status_reg(instance);
4255         fw_state = cur_abs_reg_val & MFI_STATE_MASK;
4256         if (fw_state == MFI_STATE_FAULT) {
4257                 if (instance->disable_online_ctrl_reset == 1) {
4258                         cmn_err(CE_WARN,
4259                                 "mrsas_initiate_ocr_if_fw_is_faulty: "
4260                                 "FW in Fault state, detected in ISR: "
4261                                 "FW doesn't support ocr ");
4262 
4263                         return (ADAPTER_RESET_NOT_REQUIRED);
4264                 } else {
4265                         con_log(CL_ANN, (CE_NOTE,
4266                                 "mrsas_initiate_ocr_if_fw_is_faulty: "
4267                                 "FW in Fault state, detected in ISR: FW supports ocr "));
4268 
4269                         return (ADAPTER_RESET_REQUIRED);
4270                 }
4271         }
4272 
4273         return (ADAPTER_RESET_NOT_REQUIRED);
4274 }
4275 
4276 /*
4277  * mrsas_softintr - The Software ISR
4278  * @param arg   : HBA soft state
4279  *
4280  * called from high-level interrupt if hi-level interrupt are not there,
4281  * otherwise triggered as a soft interrupt
4282  */
4283 static uint_t
4284 mrsas_softintr(struct mrsas_instance *instance)
4285 {
4286         struct scsi_pkt         *pkt;
4287         struct scsa_cmd         *acmd;
4288         struct mrsas_cmd        *cmd;
4289         struct mlist_head       *pos, *next;
4290         mlist_t                 process_list;
4291         struct mrsas_header     *hdr;
4292         struct scsi_arq_status  *arqstat;
4293 
4294         con_log(CL_ANN1, (CE_NOTE, "mrsas_softintr() called."));
4295 
4296         ASSERT(instance);
4297 
4298         mutex_enter(&instance->completed_pool_mtx);
4299 
4300         if (mlist_empty(&instance->completed_pool_list)) {
4301                 mutex_exit(&instance->completed_pool_mtx);
4302                 return (DDI_INTR_CLAIMED);
4303         }
4304 
4305         instance->softint_running = 1;
4306 
4307         INIT_LIST_HEAD(&process_list);
4308         mlist_splice(&instance->completed_pool_list, &process_list);
4309         INIT_LIST_HEAD(&instance->completed_pool_list);
4310 
4311         mutex_exit(&instance->completed_pool_mtx);
4312 
4313         /* perform all callbacks first, before releasing the SCBs */
4314         mlist_for_each_safe(pos, next, &process_list) {
4315                 cmd = mlist_entry(pos, struct mrsas_cmd, list);
4316 
4317                 /* syncronize the Cmd frame for the controller */
4318                 (void) ddi_dma_sync(cmd->frame_dma_obj.dma_handle,
4319                     0, 0, DDI_DMA_SYNC_FORCPU);
4320 
4321                 hdr = &cmd->frame->hdr;
4322 
4323                 /* remove the internal command from the process list */
4324                 mlist_del_init(&cmd->list);
4325 
4326                 switch (ddi_get8(cmd->frame_dma_obj.acc_handle, &hdr->cmd)) {
4327                 case MFI_CMD_OP_PD_SCSI:
4328                 case MFI_CMD_OP_LD_SCSI:
4329                 case MFI_CMD_OP_LD_READ:
4330                 case MFI_CMD_OP_LD_WRITE:
4331                         /*
4332                          * MFI_CMD_OP_PD_SCSI and MFI_CMD_OP_LD_SCSI
4333                          * could have been issued either through an
4334                          * IO path or an IOCTL path. If it was via IOCTL,
4335                          * we will send it to internal completion.
4336                          */
4337                         if (cmd->sync_cmd == MRSAS_TRUE) {
4338                                 complete_cmd_in_sync_mode(instance, cmd);
4339                                 break;
4340                         }
4341 
4342                         /* regular commands */
4343                         acmd =  cmd->cmd;
4344                         pkt =   CMD2PKT(acmd);
4345 
4346                         if (acmd->cmd_flags & CFLAG_DMAVALID) {
4347                                 if (acmd->cmd_flags & CFLAG_CONSISTENT) {
4348                                         (void) ddi_dma_sync(acmd->cmd_dmahandle,
4349                                             acmd->cmd_dma_offset,
4350                                             acmd->cmd_dma_len,
4351                                             DDI_DMA_SYNC_FORCPU);
4352                                 }
4353                         }
4354 
4355                         pkt->pkt_reason              = CMD_CMPLT;
4356                         pkt->pkt_statistics  = 0;
4357                         pkt->pkt_state = STATE_GOT_BUS
4358                             | STATE_GOT_TARGET | STATE_SENT_CMD
4359                             | STATE_XFERRED_DATA | STATE_GOT_STATUS;
4360 
4361                         con_log(CL_ANN, (CE_CONT,
4362                             "CDB[0] = %x completed for %s: size %lx context %x",
4363                             pkt->pkt_cdbp[0], ((acmd->islogical) ? "LD" : "PD"),
4364                             acmd->cmd_dmacount, hdr->context));
4365 
4366                         if (pkt->pkt_cdbp[0] == SCMD_INQUIRY) {
4367                                 struct scsi_inquiry     *inq;
4368 
4369                                 if (acmd->cmd_dmacount != 0) {
4370                                         bp_mapin(acmd->cmd_buf);
4371                                         inq = (struct scsi_inquiry *)
4372                                             acmd->cmd_buf->b_un.b_addr;
4373 
4374                                         /* don't expose physical drives to OS */
4375                                         if (acmd->islogical &&
4376                                             (hdr->cmd_status == MFI_STAT_OK)) {
4377                                                 display_scsi_inquiry(
4378                                                     (caddr_t)inq);
4379                                         } else if ((hdr->cmd_status ==
4380                                             MFI_STAT_OK) && inq->inq_dtype ==
4381                                             DTYPE_DIRECT) {
4382 
4383                                                 display_scsi_inquiry(
4384                                                     (caddr_t)inq);
4385 
4386                                                 /* for physical disk */
4387                                                 hdr->cmd_status =
4388                                                     MFI_STAT_DEVICE_NOT_FOUND;
4389                                         }
4390                                 }
4391                         }
4392 
4393                         switch (hdr->cmd_status) {
4394                         case MFI_STAT_OK:
4395                                 pkt->pkt_scbp[0] = STATUS_GOOD;
4396                                 break;
4397                         case MFI_STAT_LD_CC_IN_PROGRESS:
4398                         case MFI_STAT_LD_RECON_IN_PROGRESS:
4399                                 pkt->pkt_scbp[0] = STATUS_GOOD;
4400                                 break;
4401                         case MFI_STAT_LD_INIT_IN_PROGRESS:
4402                                 con_log(CL_ANN, (CE_WARN, "Initialization in Progress"));
4403                                 pkt->pkt_reason      = CMD_TRAN_ERR;
4404 
4405                                 break;
4406                         case MFI_STAT_SCSI_DONE_WITH_ERROR:
4407                                 con_log(CL_ANN, (CE_CONT, "scsi_done error"));
4408 
4409                                 pkt->pkt_reason      = CMD_CMPLT;
4410                                 ((struct scsi_status *)
4411                                     pkt->pkt_scbp)->sts_chk = 1;
4412 
4413                                 if (pkt->pkt_cdbp[0] == SCMD_TEST_UNIT_READY) {
4414 
4415                                         con_log(CL_ANN, (CE_WARN, "TEST_UNIT_READY fail"));
4416 
4417                                 } else {
4418                                         pkt->pkt_state |= STATE_ARQ_DONE;
4419                                         arqstat = (void *)(pkt->pkt_scbp);
4420                                         arqstat->sts_rqpkt_reason = CMD_CMPLT;
4421                                         arqstat->sts_rqpkt_resid = 0;
4422                                         arqstat->sts_rqpkt_state |=
4423                                             STATE_GOT_BUS | STATE_GOT_TARGET
4424                                             | STATE_SENT_CMD
4425                                             | STATE_XFERRED_DATA;
4426                                         *(uint8_t *)&arqstat->sts_rqpkt_status =
4427                                             STATUS_GOOD;
4428                                         ddi_rep_get8(
4429                                             cmd->frame_dma_obj.acc_handle,
4430                                             (uint8_t *)
4431                                             &(arqstat->sts_sensedata),
4432                                             cmd->sense,
4433                                             sizeof (struct scsi_extended_sense),
4434                                             DDI_DEV_AUTOINCR);
4435                                 }
4436                                 break;
4437                         case MFI_STAT_LD_OFFLINE:
4438                         case MFI_STAT_DEVICE_NOT_FOUND:
4439                                 con_log(CL_ANN, (CE_CONT,
4440                                 "mrsas_softintr:device not found error"));
4441                                 pkt->pkt_reason      = CMD_DEV_GONE;
4442                                 pkt->pkt_statistics  = STAT_DISCON;
4443                                 break;
4444                         case MFI_STAT_LD_LBA_OUT_OF_RANGE:
4445                                 pkt->pkt_state |= STATE_ARQ_DONE;
4446                                 pkt->pkt_reason      = CMD_CMPLT;
4447                                 ((struct scsi_status *)
4448                                     pkt->pkt_scbp)->sts_chk = 1;
4449 
4450                                 arqstat = (void *)(pkt->pkt_scbp);
4451                                 arqstat->sts_rqpkt_reason = CMD_CMPLT;
4452                                 arqstat->sts_rqpkt_resid = 0;
4453                                 arqstat->sts_rqpkt_state |= STATE_GOT_BUS
4454                                     | STATE_GOT_TARGET | STATE_SENT_CMD
4455                                     | STATE_XFERRED_DATA;
4456                                 *(uint8_t *)&arqstat->sts_rqpkt_status =
4457                                     STATUS_GOOD;
4458 
4459                                 arqstat->sts_sensedata.es_valid = 1;
4460                                 arqstat->sts_sensedata.es_key =
4461                                     KEY_ILLEGAL_REQUEST;
4462                                 arqstat->sts_sensedata.es_class =
4463                                     CLASS_EXTENDED_SENSE;
4464 
4465                                 /*
4466                                  * LOGICAL BLOCK ADDRESS OUT OF RANGE:
4467                                  * ASC: 0x21h; ASCQ: 0x00h;
4468                                  */
4469                                 arqstat->sts_sensedata.es_add_code = 0x21;
4470                                 arqstat->sts_sensedata.es_qual_code = 0x00;
4471 
4472                                 break;
4473 
4474                         default:
4475                                 con_log(CL_ANN, (CE_CONT, "Unknown status!"));
4476                                 pkt->pkt_reason      = CMD_TRAN_ERR;
4477 
4478                                 break;
4479                         }
4480 
4481                         atomic_add_16(&instance->fw_outstanding, (-1));
4482 
4483                         /* Call the callback routine */
4484                         if (((pkt->pkt_flags & FLAG_NOINTR) == 0) &&
4485                             pkt->pkt_comp) {
4486 
4487                                 con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_softintr: "
4488                                     "posting to scsa cmd %p index %x pkt %p "
4489                                     "time %llx", (void *)cmd, cmd->index,
4490                                     (void *)pkt, gethrtime()));
4491                                 (*pkt->pkt_comp)(pkt);
4492 
4493                         }
4494 
4495                         return_mfi_pkt(instance, cmd);
4496                         break;
4497 
4498                 case MFI_CMD_OP_SMP:
4499                 case MFI_CMD_OP_STP:
4500                         complete_cmd_in_sync_mode(instance, cmd);
4501                         break;
4502 
4503                 case MFI_CMD_OP_DCMD:
4504                         /* see if got an event notification */
4505                         if (ddi_get32(cmd->frame_dma_obj.acc_handle,
4506                             &cmd->frame->dcmd.opcode) ==
4507                             MR_DCMD_CTRL_EVENT_WAIT) {
4508                                 if ((instance->aen_cmd == cmd) &&
4509                                     (instance->aen_cmd->abort_aen)) {
4510                                         con_log(CL_ANN, (CE_WARN,
4511                                             "mrsas_softintr: "
4512                                             "aborted_aen returned"));
4513                                 } else {
4514                                         atomic_add_16(&instance->fw_outstanding,
4515                                             (-1));
4516                                         service_mfi_aen(instance, cmd);
4517                                 }
4518                         } else {
4519                                 complete_cmd_in_sync_mode(instance, cmd);
4520                         }
4521 
4522                         break;
4523 
4524                 case MFI_CMD_OP_ABORT:
4525                         con_log(CL_ANN, (CE_NOTE, "MFI_CMD_OP_ABORT complete"));
4526                         /*
4527                          * MFI_CMD_OP_ABORT successfully completed
4528                          * in the synchronous mode
4529                          */
4530                         complete_cmd_in_sync_mode(instance, cmd);
4531                         break;
4532 
4533                 default:
4534                         if (cmd->pkt != NULL) {
4535                                 pkt = cmd->pkt;
4536                                 if (((pkt->pkt_flags & FLAG_NOINTR) == 0) &&
4537                                     pkt->pkt_comp) {
4538 
4539                                         con_log(CL_ANN1, (CE_CONT, "posting to "
4540                                             "scsa cmd %p index %x pkt %p"
4541                                             "time %llx, default ", (void *)cmd,
4542                                             cmd->index, (void *)pkt,
4543                                             gethrtime()));
4544 
4545                                         (*pkt->pkt_comp)(pkt);
4546 
4547                                 }
4548                         }
4549                         con_log(CL_ANN, (CE_WARN, "Cmd type unknown !"));
4550                         break;
4551                 }
4552         }
4553 
4554         instance->softint_running = 0;
4555 
4556         return (DDI_INTR_CLAIMED);
4557 }
4558 
4559 /*
4560  * mrsas_alloc_dma_obj
4561  *
4562  * Allocate the memory and other resources for an dma object.
4563  */
4564 int
4565 mrsas_alloc_dma_obj(struct mrsas_instance *instance, dma_obj_t *obj,
4566     uchar_t endian_flags)
4567 {
4568         int     i;
4569         size_t  alen = 0;
4570         uint_t  cookie_cnt;
4571         struct ddi_device_acc_attr tmp_endian_attr;
4572 
4573         tmp_endian_attr = endian_attr;
4574         tmp_endian_attr.devacc_attr_endian_flags = endian_flags;
4575         tmp_endian_attr.devacc_attr_access = DDI_DEFAULT_ACC;
4576 
4577         i = ddi_dma_alloc_handle(instance->dip, &obj->dma_attr,
4578             DDI_DMA_SLEEP, NULL, &obj->dma_handle);
4579         if (i != DDI_SUCCESS) {
4580 
4581                 switch (i) {
4582                         case DDI_DMA_BADATTR :
4583                                 con_log(CL_ANN, (CE_WARN,
4584                                 "Failed ddi_dma_alloc_handle- Bad attribute"));
4585                                 break;
4586                         case DDI_DMA_NORESOURCES :
4587                                 con_log(CL_ANN, (CE_WARN,
4588                                 "Failed ddi_dma_alloc_handle- No Resources"));
4589                                 break;
4590                         default :
4591                                 con_log(CL_ANN, (CE_WARN,
4592                                 "Failed ddi_dma_alloc_handle: "
4593                                 "unknown status %d", i));
4594                                 break;
4595                 }
4596 
4597                 return (-1);
4598         }
4599 
4600         if ((ddi_dma_mem_alloc(obj->dma_handle, obj->size, &tmp_endian_attr,
4601             DDI_DMA_RDWR | DDI_DMA_STREAMING, DDI_DMA_SLEEP, NULL,
4602             &obj->buffer, &alen, &obj->acc_handle) != DDI_SUCCESS) ||
4603             alen < obj->size) {
4604 
4605                 ddi_dma_free_handle(&obj->dma_handle);
4606 
4607                 con_log(CL_ANN, (CE_WARN, "Failed : ddi_dma_mem_alloc"));
4608 
4609                 return (-1);
4610         }
4611         if (obj->dma_handle == NULL) {
4612                 con_log(CL_ANN, (CE_WARN, "Failed : ddi_dma_mem_alloc"));
4613                 return (-1);
4614         }
4615 
4616         if (ddi_dma_addr_bind_handle(obj->dma_handle, NULL, obj->buffer,
4617             obj->size, DDI_DMA_RDWR | DDI_DMA_STREAMING, DDI_DMA_SLEEP,
4618             NULL, &obj->dma_cookie[0], &cookie_cnt) != DDI_SUCCESS) {
4619 
4620                 ddi_dma_mem_free(&obj->acc_handle);
4621                 ddi_dma_free_handle(&obj->dma_handle);
4622 
4623                 con_log(CL_ANN, (CE_WARN, "Failed : ddi_dma_addr_bind_handle"));
4624 
4625                 return (-1);
4626         }
4627         if (obj->acc_handle == NULL) {
4628                 ddi_dma_mem_free(&obj->acc_handle);
4629                 ddi_dma_free_handle(&obj->dma_handle);
4630 
4631                 con_log(CL_ANN, (CE_WARN, "Failed : ddi_dma_addr_bind_handle"));
4632                 return (-1);
4633         }
4634 
4635 
4636         return (cookie_cnt);
4637 }
4638 
4639 /*
4640  * mrsas_free_dma_obj(struct mrsas_instance *, dma_obj_t)
4641  *
4642  * De-allocate the memory and other resources for an dma object, which must
4643  * have been alloated by a previous call to mrsas_alloc_dma_obj()
4644  */
4645 int
4646 mrsas_free_dma_obj(struct mrsas_instance *instance, dma_obj_t obj)
4647 {
4648 
4649         if ( (obj.dma_handle == NULL) || (obj.acc_handle == NULL) ) {
4650                 return (DDI_SUCCESS);
4651         }
4652 
4653         (void) ddi_dma_unbind_handle(obj.dma_handle);
4654         ddi_dma_mem_free(&obj.acc_handle);
4655         ddi_dma_free_handle(&obj.dma_handle);
4656         obj.acc_handle = NULL;
4657         return (DDI_SUCCESS);
4658 }
4659 
4660 /*
4661  * mrsas_dma_alloc(instance_t *, struct scsi_pkt *, struct buf *,
4662  * int, int (*)())
4663  *
4664  * Allocate dma resources for a new scsi command
4665  */
4666 int
4667 mrsas_dma_alloc(struct mrsas_instance *instance, struct scsi_pkt *pkt,
4668     struct buf *bp, int flags, int (*callback)())
4669 {
4670         int     dma_flags;
4671         int     (*cb)(caddr_t);
4672         int     i;
4673 
4674         ddi_dma_attr_t  tmp_dma_attr = mrsas_generic_dma_attr;
4675         struct scsa_cmd *acmd = PKT2CMD(pkt);
4676 
4677         acmd->cmd_buf = bp;
4678 
4679         if (bp->b_flags & B_READ) {
4680                 acmd->cmd_flags &= ~CFLAG_DMASEND;
4681                 dma_flags = DDI_DMA_READ;
4682         } else {
4683                 acmd->cmd_flags |= CFLAG_DMASEND;
4684                 dma_flags = DDI_DMA_WRITE;
4685         }
4686 
4687         if (flags & PKT_CONSISTENT) {
4688                 acmd->cmd_flags |= CFLAG_CONSISTENT;
4689                 dma_flags |= DDI_DMA_CONSISTENT;
4690         }
4691 
4692         if (flags & PKT_DMA_PARTIAL) {
4693                 dma_flags |= DDI_DMA_PARTIAL;
4694         }
4695 
4696         dma_flags |= DDI_DMA_REDZONE;
4697 
4698         cb = (callback == NULL_FUNC) ? DDI_DMA_DONTWAIT : DDI_DMA_SLEEP;
4699 
4700         tmp_dma_attr.dma_attr_sgllen = instance->max_num_sge;
4701         tmp_dma_attr.dma_attr_addr_hi = 0xffffffffffffffffull;
4702         if (instance->tbolt) {
4703                 //OCR-RESET FIX
4704                 tmp_dma_attr.dma_attr_count_max = (U64)mrsas_tbolt_max_cap_maxxfer;  //limit to 256K
4705                 tmp_dma_attr.dma_attr_maxxfer = (U64)mrsas_tbolt_max_cap_maxxfer;  //limit to 256K
4706         }
4707 
4708 
4709         if ((i = ddi_dma_alloc_handle(instance->dip, &tmp_dma_attr,
4710             cb, 0, &acmd->cmd_dmahandle)) != DDI_SUCCESS) {
4711                 switch (i) {
4712                 case DDI_DMA_BADATTR:
4713                         bioerror(bp, EFAULT);
4714                         return (DDI_FAILURE);
4715 
4716                 case DDI_DMA_NORESOURCES:
4717                         bioerror(bp, 0);
4718                         return (DDI_FAILURE);
4719 
4720                 default:
4721                         con_log(CL_ANN, (CE_PANIC, "ddi_dma_alloc_handle: "
4722                             "impossible result (0x%x)", i));
4723                         bioerror(bp, EFAULT);
4724                         return (DDI_FAILURE);
4725                 }
4726         }
4727 
4728         i = ddi_dma_buf_bind_handle(acmd->cmd_dmahandle, bp, dma_flags,
4729             cb, 0, &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies);
4730 
4731         switch (i) {
4732         case DDI_DMA_PARTIAL_MAP:
4733                 if ((dma_flags & DDI_DMA_PARTIAL) == 0) {
4734                         con_log(CL_ANN, (CE_PANIC, "ddi_dma_buf_bind_handle: "
4735                             "DDI_DMA_PARTIAL_MAP impossible"));
4736                         goto no_dma_cookies;
4737                 }
4738 
4739                 if (ddi_dma_numwin(acmd->cmd_dmahandle, &acmd->cmd_nwin) ==
4740                     DDI_FAILURE) {
4741                         con_log(CL_ANN, (CE_PANIC, "ddi_dma_numwin failed"));
4742                         goto no_dma_cookies;
4743                 }
4744 
4745                 if (ddi_dma_getwin(acmd->cmd_dmahandle, acmd->cmd_curwin,
4746                     &acmd->cmd_dma_offset, &acmd->cmd_dma_len,
4747                     &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies) ==
4748                     DDI_FAILURE) {
4749 
4750                         con_log(CL_ANN, (CE_PANIC, "ddi_dma_getwin failed"));
4751                         goto no_dma_cookies;
4752                 }
4753 
4754                 goto get_dma_cookies;
4755         case DDI_DMA_MAPPED:
4756                 acmd->cmd_nwin = 1;
4757                 acmd->cmd_dma_len = 0;
4758                 acmd->cmd_dma_offset = 0;
4759 
4760 get_dma_cookies:
4761                 i = 0;
4762                 acmd->cmd_dmacount = 0;
4763                 for (;;) {
4764                         acmd->cmd_dmacount +=
4765                             acmd->cmd_dmacookies[i++].dmac_size;
4766 
4767                         if (i == instance->max_num_sge ||
4768                             i == acmd->cmd_ncookies)
4769                                 break;
4770 
4771                         ddi_dma_nextcookie(acmd->cmd_dmahandle,
4772                             &acmd->cmd_dmacookies[i]);
4773                 }
4774 
4775                 acmd->cmd_cookie = i;
4776                 acmd->cmd_cookiecnt = i;
4777 
4778                 acmd->cmd_flags |= CFLAG_DMAVALID;
4779 
4780                 if (bp->b_bcount >= acmd->cmd_dmacount) {
4781                         pkt->pkt_resid = bp->b_bcount - acmd->cmd_dmacount;
4782                 } else {
4783                         pkt->pkt_resid = 0;
4784                 }
4785 
4786                 return (DDI_SUCCESS);
4787         case DDI_DMA_NORESOURCES:
4788                 bioerror(bp, 0);
4789                 break;
4790         case DDI_DMA_NOMAPPING:
4791                 bioerror(bp, EFAULT);
4792                 break;
4793         case DDI_DMA_TOOBIG:
4794                 bioerror(bp, EINVAL);
4795                 break;
4796         case DDI_DMA_INUSE:
4797                 con_log(CL_ANN, (CE_PANIC, "ddi_dma_buf_bind_handle:"
4798                     " DDI_DMA_INUSE impossible"));
4799                 break;
4800         default:
4801                 con_log(CL_ANN, (CE_PANIC, "ddi_dma_buf_bind_handle: "
4802                     "impossible result (0x%x)", i));
4803                 break;
4804         }
4805 
4806 no_dma_cookies:
4807         ddi_dma_free_handle(&acmd->cmd_dmahandle);
4808         acmd->cmd_dmahandle = NULL;
4809         acmd->cmd_flags &= ~CFLAG_DMAVALID;
4810         return (DDI_FAILURE);
4811 }
4812 
4813 /*
4814  * mrsas_dma_move(struct mrsas_instance *, struct scsi_pkt *, struct buf *)
4815  *
4816  * move dma resources to next dma window
4817  *
4818  */
4819 int
4820 mrsas_dma_move(struct mrsas_instance *instance, struct scsi_pkt *pkt,
4821     struct buf *bp)
4822 {
4823         int     i = 0;
4824 
4825         struct scsa_cmd *acmd = PKT2CMD(pkt);
4826 
4827         /*
4828          * If there are no more cookies remaining in this window,
4829          * must move to the next window first.
4830          */
4831         if (acmd->cmd_cookie == acmd->cmd_ncookies) {
4832                 if (acmd->cmd_curwin == acmd->cmd_nwin && acmd->cmd_nwin == 1) {
4833                         return (DDI_SUCCESS);
4834                 }
4835 
4836                 /* at last window, cannot move */
4837                 if (++acmd->cmd_curwin >= acmd->cmd_nwin) {
4838                         return (DDI_FAILURE);
4839                 }
4840 
4841                 if (ddi_dma_getwin(acmd->cmd_dmahandle, acmd->cmd_curwin,
4842                     &acmd->cmd_dma_offset, &acmd->cmd_dma_len,
4843                     &acmd->cmd_dmacookies[0], &acmd->cmd_ncookies) ==
4844                     DDI_FAILURE) {
4845                         return (DDI_FAILURE);
4846                 }
4847 
4848                 acmd->cmd_cookie = 0;
4849         } else {
4850                 /* still more cookies in this window - get the next one */
4851                 ddi_dma_nextcookie(acmd->cmd_dmahandle,
4852                     &acmd->cmd_dmacookies[0]);
4853         }
4854 
4855         /* get remaining cookies in this window, up to our maximum */
4856         for (;;) {
4857                 acmd->cmd_dmacount += acmd->cmd_dmacookies[i++].dmac_size;
4858                 acmd->cmd_cookie++;
4859 
4860                 if (i == instance->max_num_sge ||
4861                     acmd->cmd_cookie == acmd->cmd_ncookies) {
4862                         break;
4863                 }
4864 
4865                 ddi_dma_nextcookie(acmd->cmd_dmahandle,
4866                     &acmd->cmd_dmacookies[i]);
4867         }
4868 
4869         acmd->cmd_cookiecnt = i;
4870 
4871         if (bp->b_bcount >= acmd->cmd_dmacount) {
4872                 pkt->pkt_resid = bp->b_bcount - acmd->cmd_dmacount;
4873         } else {
4874                 pkt->pkt_resid = 0;
4875         }
4876 
4877         return (DDI_SUCCESS);
4878 }
4879 
4880 /*
4881  * build_cmd
4882  */
4883 static struct mrsas_cmd *
4884 build_cmd(struct mrsas_instance *instance, struct scsi_address *ap,
4885     struct scsi_pkt *pkt, uchar_t *cmd_done)
4886 {
4887         uint16_t        flags = 0;
4888         uint32_t        i;
4889         uint32_t        context;
4890         uint32_t        sge_bytes;
4891         uint32_t        tmp_data_xfer_len;
4892         ddi_acc_handle_t acc_handle;
4893         struct mrsas_cmd                *cmd;
4894         struct mrsas_sge64              *mfi_sgl;
4895         struct mrsas_sge_ieee           *mfi_sgl_ieee;
4896         struct scsa_cmd                 *acmd = PKT2CMD(pkt);
4897         struct mrsas_pthru_frame        *pthru;
4898         struct mrsas_io_frame           *ldio;
4899 
4900         /* find out if this is logical or physical drive command.  */
4901         acmd->islogical = MRDRV_IS_LOGICAL(ap);
4902         acmd->device_id = MAP_DEVICE_ID(instance, ap);
4903         *cmd_done = 0;
4904 
4905         /* get the command packet */
4906         if (!(cmd = get_mfi_pkt(instance))) {
4907                 cmn_err(CE_WARN,
4908                     "Failed to get a cmd from free-pool in build_cmd(). fw_outstanding=0x%X max_fw_cmds=0x%X",
4909                                 instance->fw_outstanding, instance->max_fw_cmds);
4910                 return (NULL);
4911         }
4912 
4913         acc_handle = cmd->frame_dma_obj.acc_handle;
4914 
4915         /* Clear the frame buffer and assign back the context id */
4916         (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
4917         ddi_put32(acc_handle, &cmd->frame->hdr.context, cmd->index);
4918 
4919         cmd->pkt = pkt;
4920         cmd->cmd = acmd;
4921 
4922         /* lets get the command directions */
4923         if (acmd->cmd_flags & CFLAG_DMASEND) {
4924                 flags = MFI_FRAME_DIR_WRITE;
4925 
4926                 if (acmd->cmd_flags & CFLAG_CONSISTENT) {
4927                         (void) ddi_dma_sync(acmd->cmd_dmahandle,
4928                             acmd->cmd_dma_offset, acmd->cmd_dma_len,
4929                             DDI_DMA_SYNC_FORDEV);
4930                 }
4931         } else if (acmd->cmd_flags & ~CFLAG_DMASEND) {
4932                 flags = MFI_FRAME_DIR_READ;
4933 
4934                 if (acmd->cmd_flags & CFLAG_CONSISTENT) {
4935                         (void) ddi_dma_sync(acmd->cmd_dmahandle,
4936                             acmd->cmd_dma_offset, acmd->cmd_dma_len,
4937                             DDI_DMA_SYNC_FORCPU);
4938                 }
4939         } else {
4940                 flags = MFI_FRAME_DIR_NONE;
4941         }
4942 
4943         if (instance->flag_ieee) {
4944                 flags |= MFI_FRAME_IEEE;
4945         }
4946         flags |= MFI_FRAME_SGL64;
4947 
4948         switch (pkt->pkt_cdbp[0]) {
4949 
4950         /*
4951          * case SCMD_SYNCHRONIZE_CACHE:
4952          *      flush_cache(instance);
4953          *      return_mfi_pkt(instance, cmd);
4954          *      *cmd_done = 1;
4955          *
4956          *      return (NULL);
4957          */
4958 
4959         case SCMD_READ:
4960         case SCMD_WRITE:
4961         case SCMD_READ_G1:
4962         case SCMD_WRITE_G1:
4963         case SCMD_READ_G4:
4964         case SCMD_WRITE_G4:
4965         case SCMD_READ_G5:
4966         case SCMD_WRITE_G5:
4967                 if (acmd->islogical) {
4968                         ldio = (struct mrsas_io_frame *)cmd->frame;
4969 
4970                         /*
4971                          * preare the Logical IO frame:
4972                          * 2nd bit is zero for all read cmds
4973                          */
4974                         ddi_put8(acc_handle, &ldio->cmd,
4975                             (pkt->pkt_cdbp[0] & 0x02) ? MFI_CMD_OP_LD_WRITE
4976                             : MFI_CMD_OP_LD_READ);
4977                         ddi_put8(acc_handle, &ldio->cmd_status, 0x0);
4978                         ddi_put8(acc_handle, &ldio->scsi_status, 0x0);
4979                         ddi_put8(acc_handle, &ldio->target_id, acmd->device_id);
4980                         ddi_put16(acc_handle, &ldio->timeout, 0);
4981                         ddi_put8(acc_handle, &ldio->reserved_0, 0);
4982                         ddi_put16(acc_handle, &ldio->pad_0, 0);
4983                         ddi_put16(acc_handle, &ldio->flags, flags);
4984 
4985                         /* Initialize sense Information */
4986                         bzero(cmd->sense, SENSE_LENGTH);
4987                         ddi_put8(acc_handle, &ldio->sense_len, SENSE_LENGTH);
4988                         ddi_put32(acc_handle, &ldio->sense_buf_phys_addr_hi, 0);
4989                         ddi_put32(acc_handle, &ldio->sense_buf_phys_addr_lo,
4990                             cmd->sense_phys_addr);
4991                         ddi_put32(acc_handle, &ldio->start_lba_hi, 0);
4992                         ddi_put8(acc_handle, &ldio->access_byte,
4993                             (acmd->cmd_cdblen != 6) ? pkt->pkt_cdbp[1] : 0);
4994                         ddi_put8(acc_handle, &ldio->sge_count,
4995                             acmd->cmd_cookiecnt);
4996                         if (instance->flag_ieee) {
4997                                 mfi_sgl_ieee =
4998                                     (struct mrsas_sge_ieee *)&ldio->sgl;
4999                         } else {
5000                                 mfi_sgl = (struct mrsas_sge64   *)&ldio->sgl;
5001                         }
5002 
5003                         context = ddi_get32(acc_handle, &ldio->context);
5004 
5005                         if (acmd->cmd_cdblen == CDB_GROUP0) {                        /* 6-byte cdb */
5006                                 ddi_put32(acc_handle, &ldio->lba_count, (
5007                                     (uint16_t)(pkt->pkt_cdbp[4])));
5008 
5009                                 ddi_put32(acc_handle, &ldio->start_lba_lo, (
5010                                     ((uint32_t)(pkt->pkt_cdbp[3])) |
5011                                     ((uint32_t)(pkt->pkt_cdbp[2]) << 8) |
5012                                     ((uint32_t)((pkt->pkt_cdbp[1]) & 0x1F)
5013                                     << 16)));
5014                         } else if (acmd->cmd_cdblen == CDB_GROUP1) {         /* 10-byte cdb */
5015                                 ddi_put32(acc_handle, &ldio->lba_count, (
5016                                     ((uint16_t)(pkt->pkt_cdbp[8])) |
5017                                     ((uint16_t)(pkt->pkt_cdbp[7]) << 8)));
5018 
5019                                 ddi_put32(acc_handle, &ldio->start_lba_lo, (
5020                                     ((uint32_t)(pkt->pkt_cdbp[5])) |
5021                                     ((uint32_t)(pkt->pkt_cdbp[4]) << 8) |
5022                                     ((uint32_t)(pkt->pkt_cdbp[3]) << 16) |
5023                                     ((uint32_t)(pkt->pkt_cdbp[2]) << 24)));
5024                         } else if (acmd->cmd_cdblen == CDB_GROUP5) {         /* 12-byte cdb */
5025                                 ddi_put32(acc_handle, &ldio->lba_count, (
5026                                     ((uint32_t)(pkt->pkt_cdbp[9])) |
5027                                     ((uint32_t)(pkt->pkt_cdbp[8]) << 8) |
5028                                     ((uint32_t)(pkt->pkt_cdbp[7]) << 16) |
5029                                     ((uint32_t)(pkt->pkt_cdbp[6]) << 24)));
5030 
5031                                 ddi_put32(acc_handle, &ldio->start_lba_lo, (
5032                                     ((uint32_t)(pkt->pkt_cdbp[5])) |
5033                                     ((uint32_t)(pkt->pkt_cdbp[4]) << 8) |
5034                                     ((uint32_t)(pkt->pkt_cdbp[3]) << 16) |
5035                                     ((uint32_t)(pkt->pkt_cdbp[2]) << 24)));
5036                         } else if (acmd->cmd_cdblen == CDB_GROUP4) {         /* 16-byte cdb */
5037                                 ddi_put32(acc_handle, &ldio->lba_count, (
5038                                     ((uint32_t)(pkt->pkt_cdbp[13])) |
5039                                     ((uint32_t)(pkt->pkt_cdbp[12]) << 8) |
5040                                     ((uint32_t)(pkt->pkt_cdbp[11]) << 16) |
5041                                     ((uint32_t)(pkt->pkt_cdbp[10]) << 24)));
5042 
5043                                 ddi_put32(acc_handle, &ldio->start_lba_lo, (
5044                                     ((uint32_t)(pkt->pkt_cdbp[9])) |
5045                                     ((uint32_t)(pkt->pkt_cdbp[8]) << 8) |
5046                                     ((uint32_t)(pkt->pkt_cdbp[7]) << 16) |
5047                                     ((uint32_t)(pkt->pkt_cdbp[6]) << 24)));
5048 
5049                                 ddi_put32(acc_handle, &ldio->start_lba_hi, (
5050                                     ((uint32_t)(pkt->pkt_cdbp[5])) |
5051                                     ((uint32_t)(pkt->pkt_cdbp[4]) << 8) |
5052                                     ((uint32_t)(pkt->pkt_cdbp[3]) << 16) |
5053                                     ((uint32_t)(pkt->pkt_cdbp[2]) << 24)));
5054                         }
5055 
5056                         break;
5057                 }
5058                 /* fall through For all non-rd/wr cmds */
5059         default:
5060 
5061                 switch (pkt->pkt_cdbp[0]) {
5062                 case SCMD_MODE_SENSE:
5063                 case SCMD_MODE_SENSE_G1: {
5064                         union scsi_cdb  *cdbp;
5065                         uint16_t        page_code;
5066 
5067                         cdbp = (void *)pkt->pkt_cdbp;
5068                         page_code = (uint16_t)cdbp->cdb_un.sg.scsi[0];
5069                         switch (page_code) {
5070                         case 0x3:
5071                         case 0x4:
5072                                 (void) mrsas_mode_sense_build(pkt);
5073                                 return_mfi_pkt(instance, cmd);
5074                                 *cmd_done = 1;
5075                                 return (NULL);
5076                         }
5077                         break;
5078                 }
5079                 default:
5080                         break;
5081                 }
5082 
5083                 pthru   = (struct mrsas_pthru_frame *)cmd->frame;
5084 
5085                 /* prepare the DCDB frame */
5086                 ddi_put8(acc_handle, &pthru->cmd, (acmd->islogical) ?
5087                     MFI_CMD_OP_LD_SCSI : MFI_CMD_OP_PD_SCSI);
5088                 ddi_put8(acc_handle, &pthru->cmd_status, 0x0);
5089                 ddi_put8(acc_handle, &pthru->scsi_status, 0x0);
5090                 ddi_put8(acc_handle, &pthru->target_id, acmd->device_id);
5091                 ddi_put8(acc_handle, &pthru->lun, 0);
5092                 ddi_put8(acc_handle, &pthru->cdb_len, acmd->cmd_cdblen);
5093                 ddi_put16(acc_handle, &pthru->timeout, 0);
5094                 ddi_put16(acc_handle, &pthru->flags, flags);
5095                 tmp_data_xfer_len = 0;
5096                 for (i = 0; i < acmd->cmd_cookiecnt; i++) {
5097                         tmp_data_xfer_len += acmd->cmd_dmacookies[i].dmac_size;
5098                 }
5099                 ddi_put32(acc_handle, &pthru->data_xfer_len,
5100                     tmp_data_xfer_len);
5101                 ddi_put8(acc_handle, &pthru->sge_count, acmd->cmd_cookiecnt);
5102                 if (instance->flag_ieee) {
5103                         mfi_sgl_ieee = (struct mrsas_sge_ieee *)&pthru->sgl;
5104                 } else {
5105                         mfi_sgl = (struct mrsas_sge64 *)&pthru->sgl;
5106                 }
5107 
5108                 bzero(cmd->sense, SENSE_LENGTH);
5109                 ddi_put8(acc_handle, &pthru->sense_len, SENSE_LENGTH);
5110                 ddi_put32(acc_handle, &pthru->sense_buf_phys_addr_hi, 0);
5111                 ddi_put32(acc_handle, &pthru->sense_buf_phys_addr_lo,
5112                     cmd->sense_phys_addr);
5113 
5114                 context = ddi_get32(acc_handle, &pthru->context);
5115                 ddi_rep_put8(acc_handle, (uint8_t *)pkt->pkt_cdbp,
5116                     (uint8_t *)pthru->cdb, acmd->cmd_cdblen, DDI_DEV_AUTOINCR);
5117 
5118                 break;
5119         }
5120 #ifdef lint
5121         context = context;
5122 #endif
5123         /* prepare the scatter-gather list for the firmware */
5124         if (instance->flag_ieee) {
5125                 for (i = 0; i < acmd->cmd_cookiecnt; i++, mfi_sgl_ieee++) {
5126                         ddi_put64(acc_handle, &mfi_sgl_ieee->phys_addr,
5127                             acmd->cmd_dmacookies[i].dmac_laddress);
5128                         ddi_put32(acc_handle, &mfi_sgl_ieee->length,
5129                             acmd->cmd_dmacookies[i].dmac_size);
5130                 }
5131                 sge_bytes = sizeof (struct mrsas_sge_ieee)*acmd->cmd_cookiecnt;
5132         } else {
5133                 for (i = 0; i < acmd->cmd_cookiecnt; i++, mfi_sgl++) {
5134                         ddi_put64(acc_handle, &mfi_sgl->phys_addr,
5135                             acmd->cmd_dmacookies[i].dmac_laddress);
5136                         ddi_put32(acc_handle, &mfi_sgl->length,
5137                             acmd->cmd_dmacookies[i].dmac_size);
5138                 }
5139                 sge_bytes = sizeof (struct mrsas_sge64)*acmd->cmd_cookiecnt;
5140         }
5141 
5142         cmd->frame_count = (sge_bytes / MRMFI_FRAME_SIZE) +
5143             ((sge_bytes % MRMFI_FRAME_SIZE) ? 1 : 0) + 1;
5144 
5145         if (cmd->frame_count >= 8) {
5146                 cmd->frame_count = 8;
5147         }
5148 
5149         return (cmd);
5150 }
5151 
5152 /*
5153  * wait_for_outstanding -       Wait for all outstanding cmds
5154  * @instance:                           Adapter soft state
5155  *
5156  * This function waits for upto MRDRV_RESET_WAIT_TIME seconds for FW to
5157  * complete all its outstanding commands. Returns error if one or more IOs
5158  * are pending after this time period.
5159  */
5160 static int
5161 wait_for_outstanding(struct mrsas_instance *instance)
5162 {
5163         int             i;
5164         uint32_t        wait_time = 90;
5165 
5166         for (i = 0; i < wait_time; i++) {
5167                 if (!instance->fw_outstanding) {
5168                         break;
5169                 }
5170 
5171                 drv_usecwait(MILLISEC); /* wait for 1000 usecs */;
5172         }
5173 
5174         if (instance->fw_outstanding) {
5175                 return (1);
5176         }
5177 
5178         return (0);
5179 }
5180 
5181 
5182 /*
5183  * issue_mfi_pthru
5184  */
5185 static int
5186 issue_mfi_pthru(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl,
5187     struct mrsas_cmd *cmd, int mode)
5188 {
5189         void            *ubuf;
5190         uint32_t        kphys_addr = 0;
5191         uint32_t        xferlen = 0;
5192         uint32_t new_xfer_length =0;
5193         uint_t          model;
5194         ddi_acc_handle_t        acc_handle = cmd->frame_dma_obj.acc_handle;
5195         dma_obj_t                       pthru_dma_obj;
5196         struct mrsas_pthru_frame        *kpthru;
5197         struct mrsas_pthru_frame        *pthru;
5198         int i;
5199         pthru = &cmd->frame->pthru;
5200         kpthru = (struct mrsas_pthru_frame *)&ioctl->frame[0];
5201 
5202         if (instance->adapterresetinprogress) {
5203                 con_log(CL_ANN1, (CE_WARN, "issue_mfi_pthru: Reset flag set, "
5204                 "returning mfi_pkt and setting TRAN_BUSY\n"));
5205                 return (DDI_FAILURE);
5206         }
5207         model = ddi_model_convert_from(mode & FMODELS);
5208         if (model == DDI_MODEL_ILP32) {
5209                 con_log(CL_ANN1, (CE_CONT, "issue_mfi_pthru: DDI_MODEL_LP32"));
5210 
5211                 xferlen = kpthru->sgl.sge32[0].length;
5212 
5213                 ubuf    = (void *)(ulong_t)kpthru->sgl.sge32[0].phys_addr;
5214         } else {
5215 #ifdef _ILP32
5216                 con_log(CL_ANN1, (CE_CONT, "issue_mfi_pthru: DDI_MODEL_LP32"));
5217                 xferlen = kpthru->sgl.sge32[0].length;
5218                 ubuf    = (void *)(ulong_t)kpthru->sgl.sge32[0].phys_addr;
5219 #else
5220                 con_log(CL_ANN1, (CE_CONT, "issue_mfi_pthru: DDI_MODEL_LP64"));
5221                 xferlen = kpthru->sgl.sge64[0].length;
5222                 ubuf    = (void *)(ulong_t)kpthru->sgl.sge64[0].phys_addr;
5223 #endif
5224         }
5225 
5226         if (xferlen) {
5227                 /* means IOCTL requires DMA */
5228                 /* allocate the data transfer buffer */
5229                 //pthru_dma_obj.size = xferlen;
5230                 MRSAS_GET_BOUNDARY_ALIGNED_LEN(xferlen,new_xfer_length,PAGESIZE);       
5231                 pthru_dma_obj.size = new_xfer_length;
5232                 pthru_dma_obj.dma_attr = mrsas_generic_dma_attr;
5233                 pthru_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
5234                 pthru_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
5235                 pthru_dma_obj.dma_attr.dma_attr_sgllen = 1;
5236                 pthru_dma_obj.dma_attr.dma_attr_align = 1;
5237 
5238                 /* allocate kernel buffer for DMA */
5239                 if (mrsas_alloc_dma_obj(instance, &pthru_dma_obj,
5240                     (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
5241                         con_log(CL_ANN, (CE_WARN, "issue_mfi_pthru: "
5242                             "could not allocate data transfer buffer."));
5243                         return (DDI_FAILURE);
5244                 }
5245                 (void) memset(pthru_dma_obj.buffer, 0, xferlen);
5246 
5247                 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
5248                 if (kpthru->flags & MFI_FRAME_DIR_WRITE) {
5249                         for (i = 0; i < xferlen; i++) {
5250                                 if (ddi_copyin((uint8_t *)ubuf+i,
5251                                     (uint8_t *)pthru_dma_obj.buffer+i,
5252                                     1, mode)) {
5253                                         con_log(CL_ANN, (CE_WARN,
5254                                             "issue_mfi_pthru : "
5255                                             "copy from user space failed"));
5256                                         return (DDI_FAILURE);
5257                                 }
5258                         }
5259                 }
5260 
5261                 kphys_addr = pthru_dma_obj.dma_cookie[0].dmac_address;
5262         }
5263 
5264         ddi_put8(acc_handle, &pthru->cmd, kpthru->cmd);
5265         ddi_put8(acc_handle, &pthru->sense_len, SENSE_LENGTH);
5266         ddi_put8(acc_handle, &pthru->cmd_status, 0);
5267         ddi_put8(acc_handle, &pthru->scsi_status, 0);
5268         ddi_put8(acc_handle, &pthru->target_id, kpthru->target_id);
5269         ddi_put8(acc_handle, &pthru->lun, kpthru->lun);
5270         ddi_put8(acc_handle, &pthru->cdb_len, kpthru->cdb_len);
5271         ddi_put8(acc_handle, &pthru->sge_count, kpthru->sge_count);
5272         ddi_put16(acc_handle, &pthru->timeout, kpthru->timeout);
5273         ddi_put32(acc_handle, &pthru->data_xfer_len, kpthru->data_xfer_len);
5274 
5275         ddi_put32(acc_handle, &pthru->sense_buf_phys_addr_hi, 0);
5276         pthru->sense_buf_phys_addr_lo = cmd->sense_phys_addr;
5277         /*ddi_put32(acc_handle, &pthru->sense_buf_phys_addr_lo, 0); */
5278 
5279         ddi_rep_put8(acc_handle, (uint8_t *)kpthru->cdb, (uint8_t *)pthru->cdb,
5280             pthru->cdb_len, DDI_DEV_AUTOINCR);
5281 
5282         ddi_put16(acc_handle, &pthru->flags, kpthru->flags & ~MFI_FRAME_SGL64);
5283         ddi_put32(acc_handle, &pthru->sgl.sge32[0].length, xferlen);
5284         ddi_put32(acc_handle, &pthru->sgl.sge32[0].phys_addr, kphys_addr);
5285 
5286         cmd->sync_cmd = MRSAS_TRUE;
5287         cmd->frame_count = 1;
5288 
5289         if (instance->tbolt) {
5290                 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
5291         }
5292 
5293         if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) {
5294                 con_log(CL_ANN, (CE_WARN,
5295                     "issue_mfi_pthru: fw_ioctl failed"));
5296         } else {
5297                 if (xferlen && kpthru->flags & MFI_FRAME_DIR_READ) {
5298                         for (i = 0; i < xferlen; i++) {
5299                                 if (ddi_copyout(
5300                                     (uint8_t *)pthru_dma_obj.buffer+i,
5301                                     (uint8_t *)ubuf+i, 1, mode)) {
5302                                         con_log(CL_ANN, (CE_WARN,
5303                                             "issue_mfi_pthru : "
5304                                             "copy to user space failed"));
5305                                         return (DDI_FAILURE);
5306                                 }
5307                         }
5308                 }
5309         }
5310 
5311         kpthru->cmd_status = ddi_get8(acc_handle, &pthru->cmd_status);
5312         kpthru->scsi_status = ddi_get8(acc_handle, &pthru->scsi_status);
5313 
5314         con_log(CL_ANN, (CE_CONT, "issue_mfi_pthru: cmd_status %x, "
5315             "scsi_status %x", kpthru->cmd_status, kpthru->scsi_status));
5316         
5317         if (kpthru->sense_len) {
5318                 uint sense_len = SENSE_LENGTH;
5319                 void *sense_ubuf = (void *)(ulong_t)kpthru->sense_buf_phys_addr_lo;
5320                 if (kpthru->sense_len <= SENSE_LENGTH) {
5321                         sense_len = kpthru->sense_len;
5322                 }
5323                 
5324                 for (i = 0; i < sense_len; i++) {
5325                         if (ddi_copyout(
5326                             (uint8_t *)cmd->sense+i,
5327                             (uint8_t *)sense_ubuf+i, 1, mode)) {
5328                                 con_log(CL_ANN, (CE_WARN,
5329                                     "issue_mfi_pthru : "
5330                                     "copy to user space failed"));
5331                         }
5332                         con_log(CL_DLEVEL1, (CE_WARN,
5333                             "Copying Sense info sense_buff[%d] = 0x%X\n",i,*((uint8_t *)cmd->sense+i)));
5334                 }
5335         }
5336         (void) ddi_dma_sync(cmd->frame_dma_obj.dma_handle, 0, 0,
5337                     DDI_DMA_SYNC_FORDEV);
5338 
5339         if (xferlen) {
5340                 /* free kernel buffer */
5341                 if (mrsas_free_dma_obj(instance, pthru_dma_obj) != DDI_SUCCESS)
5342                         return (DDI_FAILURE);
5343         }
5344 
5345         return (DDI_SUCCESS);
5346 }
5347 
5348 /*
5349  * issue_mfi_dcmd
5350  */
5351 static int
5352 issue_mfi_dcmd(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl,
5353     struct mrsas_cmd *cmd, int mode)
5354 {
5355         void            *ubuf;
5356         uint32_t        kphys_addr = 0;
5357         uint32_t        xferlen = 0;
5358         uint32_t        new_xfer_length = 0; 
5359         uint32_t        model;
5360         dma_obj_t       dcmd_dma_obj;
5361         struct mrsas_dcmd_frame *kdcmd;
5362         struct mrsas_dcmd_frame *dcmd;
5363         ddi_acc_handle_t        acc_handle = cmd->frame_dma_obj.acc_handle;
5364         int i;
5365         dcmd = &cmd->frame->dcmd;
5366         kdcmd = (struct mrsas_dcmd_frame *)&ioctl->frame[0];
5367 
5368         if (instance->adapterresetinprogress) {
5369                 con_log(CL_ANN1, (CE_WARN, "Reset flag set, "
5370                 "returning mfi_pkt and setting TRAN_BUSY\n"));
5371                 return (DDI_FAILURE);
5372         }
5373         model = ddi_model_convert_from(mode & FMODELS);
5374         if (model == DDI_MODEL_ILP32) {
5375                 con_log(CL_ANN1, (CE_CONT, "issue_mfi_dcmd: DDI_MODEL_ILP32"));
5376 
5377                 xferlen = kdcmd->sgl.sge32[0].length;
5378 
5379                 ubuf    = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr;
5380         } else {
5381 #ifdef _ILP32
5382                 con_log(CL_ANN1, (CE_CONT, "issue_mfi_dcmd: DDI_MODEL_ILP32"));
5383                 xferlen = kdcmd->sgl.sge32[0].length;
5384                 ubuf    = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr;
5385 #else
5386                 con_log(CL_ANN1, (CE_CONT, "issue_mfi_dcmd: DDI_MODEL_LP64"));
5387                 xferlen = kdcmd->sgl.sge64[0].length;
5388                 ubuf    = (void *)(ulong_t)kdcmd->sgl.sge64[0].phys_addr;
5389 #endif
5390         }
5391         if (xferlen) {
5392                 /* means IOCTL requires DMA */
5393                 /* allocate the data transfer buffer */
5394                 //dcmd_dma_obj.size = xferlen;
5395                  MRSAS_GET_BOUNDARY_ALIGNED_LEN(xferlen,new_xfer_length,PAGESIZE);
5396                 dcmd_dma_obj.size = new_xfer_length;
5397                 dcmd_dma_obj.dma_attr = mrsas_generic_dma_attr;
5398                 dcmd_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
5399                 dcmd_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
5400                 dcmd_dma_obj.dma_attr.dma_attr_sgllen = 1;
5401                 dcmd_dma_obj.dma_attr.dma_attr_align = 1;
5402 
5403                 /* allocate kernel buffer for DMA */
5404                         if (mrsas_alloc_dma_obj(instance, &dcmd_dma_obj,
5405                             (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
5406                                 con_log(CL_ANN, (CE_WARN, "issue_mfi_dcmd: "
5407                                     "could not allocate data transfer buffer."));
5408                                 return (DDI_FAILURE);
5409                         }
5410                 (void) memset(dcmd_dma_obj.buffer, 0, xferlen);
5411 
5412                 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
5413                 if (kdcmd->flags & MFI_FRAME_DIR_WRITE) {
5414                         for (i = 0; i < xferlen; i++) {
5415                                 if (ddi_copyin((uint8_t *)ubuf + i,
5416                                     (uint8_t *)dcmd_dma_obj.buffer + i,
5417                                     1, mode)) {
5418                                         con_log(CL_ANN, (CE_WARN,
5419                                             "issue_mfi_dcmd : "
5420                                             "copy from user space failed"));
5421                                         return (DDI_FAILURE);
5422                                 }
5423                         }
5424                 }
5425 
5426                 kphys_addr = dcmd_dma_obj.dma_cookie[0].dmac_address;
5427         }
5428 
5429         ddi_put8(acc_handle, &dcmd->cmd, kdcmd->cmd);
5430         ddi_put8(acc_handle, &dcmd->cmd_status, 0);
5431         ddi_put8(acc_handle, &dcmd->sge_count, kdcmd->sge_count);
5432         ddi_put16(acc_handle, &dcmd->timeout, kdcmd->timeout);
5433         ddi_put32(acc_handle, &dcmd->data_xfer_len, kdcmd->data_xfer_len);
5434         ddi_put32(acc_handle, &dcmd->opcode, kdcmd->opcode);
5435 
5436         ddi_rep_put8(acc_handle, (uint8_t *)kdcmd->mbox.b,
5437             (uint8_t *)dcmd->mbox.b, DCMD_MBOX_SZ, DDI_DEV_AUTOINCR);
5438 
5439         ddi_put16(acc_handle, &dcmd->flags, kdcmd->flags & ~MFI_FRAME_SGL64);
5440         ddi_put32(acc_handle, &dcmd->sgl.sge32[0].length, xferlen);
5441         ddi_put32(acc_handle, &dcmd->sgl.sge32[0].phys_addr, kphys_addr);
5442 
5443         cmd->sync_cmd = MRSAS_TRUE;
5444         cmd->frame_count = 1;
5445 
5446         if (instance->tbolt) {
5447                 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
5448         }
5449 
5450         if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) {
5451                 con_log(CL_ANN, (CE_WARN, "issue_mfi_dcmd: fw_ioctl failed"));
5452         } else {
5453                 if (xferlen && (kdcmd->flags & MFI_FRAME_DIR_READ)) {
5454                         for (i = 0; i < xferlen; i++) {
5455                                 if (ddi_copyout(
5456                                     (uint8_t *)dcmd_dma_obj.buffer + i,
5457                                     (uint8_t *)ubuf + i,
5458                                     1, mode)) {
5459                                         con_log(CL_ANN, (CE_WARN,
5460                                             "issue_mfi_dcmd : "
5461                                             "copy to user space failed"));
5462                                         return (DDI_FAILURE);
5463                                 }
5464                         }
5465                 }
5466         }
5467 
5468         kdcmd->cmd_status = ddi_get8(acc_handle, &dcmd->cmd_status);
5469         con_log(CL_ANN, (CE_CONT, "issue_mfi_dcmd: cmd_status %x", kdcmd->cmd_status));
5470 
5471         if (xferlen) {
5472                 /* free kernel buffer */
5473                         if (mrsas_free_dma_obj(instance, dcmd_dma_obj) != DDI_SUCCESS)
5474                                 return (DDI_FAILURE);
5475         }
5476 
5477         return (DDI_SUCCESS);
5478 }
5479 
5480 /*
5481  * issue_mfi_smp
5482  */
5483 static int
5484 issue_mfi_smp(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl,
5485     struct mrsas_cmd *cmd, int mode)
5486 {
5487         void            *request_ubuf;
5488         void            *response_ubuf;
5489         uint32_t        request_xferlen = 0;
5490         uint32_t        response_xferlen = 0;
5491         uint32_t        new_xfer_length1 = 0;
5492         uint32_t        new_xfer_length2 = 0;
5493         uint_t          model;
5494         dma_obj_t                       request_dma_obj;
5495         dma_obj_t                       response_dma_obj;
5496         ddi_acc_handle_t        acc_handle = cmd->frame_dma_obj.acc_handle;
5497         struct mrsas_smp_frame          *ksmp;
5498         struct mrsas_smp_frame          *smp;
5499         struct mrsas_sge32              *sge32;
5500 #ifndef _ILP32
5501         struct mrsas_sge64              *sge64;
5502 #endif
5503         int i;
5504         uint64_t                        tmp_sas_addr;
5505 
5506         smp = &cmd->frame->smp;
5507         ksmp = (struct mrsas_smp_frame *)&ioctl->frame[0];
5508 
5509         if (instance->adapterresetinprogress) {
5510                 con_log(CL_ANN1, (CE_WARN, "Reset flag set, "
5511                 "returning mfi_pkt and setting TRAN_BUSY\n"));
5512                 return (DDI_FAILURE);
5513         }
5514         model = ddi_model_convert_from(mode & FMODELS);
5515         if (model == DDI_MODEL_ILP32) {
5516                 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp: DDI_MODEL_ILP32"));
5517 
5518                 sge32                   = &ksmp->sgl[0].sge32[0];
5519                 response_xferlen        = sge32[0].length;
5520                 request_xferlen         = sge32[1].length;
5521                 con_log(CL_ANN, (CE_CONT, "issue_mfi_smp: "
5522                     "response_xferlen = %x, request_xferlen = %x",
5523                     response_xferlen, request_xferlen));
5524 
5525                 response_ubuf   = (void *)(ulong_t)sge32[0].phys_addr;
5526                 request_ubuf    = (void *)(ulong_t)sge32[1].phys_addr;
5527                 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp: "
5528                     "response_ubuf = %p, request_ubuf = %p",
5529                     response_ubuf, request_ubuf));
5530         } else {
5531 #ifdef _ILP32
5532                 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp: DDI_MODEL_ILP32"));
5533 
5534                 sge32                   = &ksmp->sgl[0].sge32[0];
5535                 response_xferlen        = sge32[0].length;
5536                 request_xferlen         = sge32[1].length;
5537                 con_log(CL_ANN, (CE_CONT, "issue_mfi_smp: "
5538                     "response_xferlen = %x, request_xferlen = %x",
5539                     response_xferlen, request_xferlen));
5540 
5541                 response_ubuf   = (void *)(ulong_t)sge32[0].phys_addr;
5542                 request_ubuf    = (void *)(ulong_t)sge32[1].phys_addr;
5543                 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp: "
5544                     "response_ubuf = %p, request_ubuf = %p",
5545                     response_ubuf, request_ubuf));
5546 #else
5547                 con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp: DDI_MODEL_LP64"));
5548 
5549                 sge64                   = &ksmp->sgl[0].sge64[0];
5550                 response_xferlen        = sge64[0].length;
5551                 request_xferlen         = sge64[1].length;
5552 
5553                 response_ubuf   = (void *)(ulong_t)sge64[0].phys_addr;
5554                 request_ubuf    = (void *)(ulong_t)sge64[1].phys_addr;
5555 #endif
5556         }
5557         if (request_xferlen) {
5558                 /* means IOCTL requires DMA */
5559                 /* allocate the data transfer buffer */
5560                 //request_dma_obj.size = request_xferlen;
5561                 MRSAS_GET_BOUNDARY_ALIGNED_LEN(request_xferlen,new_xfer_length1,PAGESIZE);
5562                 request_dma_obj.size = new_xfer_length1;
5563                 request_dma_obj.dma_attr = mrsas_generic_dma_attr;
5564                 request_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
5565                 request_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
5566                 request_dma_obj.dma_attr.dma_attr_sgllen = 1;
5567                 request_dma_obj.dma_attr.dma_attr_align = 1;
5568 
5569                 /* allocate kernel buffer for DMA */
5570                 if (mrsas_alloc_dma_obj(instance, &request_dma_obj,
5571                     (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
5572                         con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: "
5573                             "could not allocate data transfer buffer."));
5574                         return (DDI_FAILURE);
5575                 }
5576                 (void) memset(request_dma_obj.buffer, 0, request_xferlen);
5577 
5578                 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
5579                 for (i = 0; i < request_xferlen; i++) {
5580                         if (ddi_copyin((uint8_t *)request_ubuf + i,
5581                             (uint8_t *)request_dma_obj.buffer + i,
5582                             1, mode)) {
5583                                 con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: "
5584                                     "copy from user space failed"));
5585                                 return (DDI_FAILURE);
5586                         }
5587                 }
5588         }
5589 
5590         if (response_xferlen) {
5591                 /* means IOCTL requires DMA */
5592                 /* allocate the data transfer buffer */
5593                 //response_dma_obj.size = response_xferlen;
5594                 MRSAS_GET_BOUNDARY_ALIGNED_LEN(response_xferlen,new_xfer_length2,PAGESIZE);
5595                 response_dma_obj.size = new_xfer_length2;
5596                 response_dma_obj.dma_attr = mrsas_generic_dma_attr;
5597                 response_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
5598                 response_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
5599                 response_dma_obj.dma_attr.dma_attr_sgllen = 1;
5600                 response_dma_obj.dma_attr.dma_attr_align = 1;
5601 
5602                 /* allocate kernel buffer for DMA */
5603                 if (mrsas_alloc_dma_obj(instance, &response_dma_obj,
5604                     (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
5605                         con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: "
5606                             "could not allocate data transfer buffer."));
5607                         return (DDI_FAILURE);
5608                 }
5609                 (void) memset(response_dma_obj.buffer, 0, response_xferlen);
5610 
5611                 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
5612                 for (i = 0; i < response_xferlen; i++) {
5613                         if (ddi_copyin((uint8_t *)response_ubuf + i,
5614                             (uint8_t *)response_dma_obj.buffer + i,
5615                             1, mode)) {
5616                                 con_log(CL_ANN, (CE_WARN, "issue_mfi_smp: "
5617                                     "copy from user space failed"));
5618                                 return (DDI_FAILURE);
5619                         }
5620                 }
5621         }
5622 
5623         ddi_put8(acc_handle, &smp->cmd, ksmp->cmd);
5624         ddi_put8(acc_handle, &smp->cmd_status, 0);
5625         ddi_put8(acc_handle, &smp->connection_status, 0);
5626         ddi_put8(acc_handle, &smp->sge_count, ksmp->sge_count);
5627         /* smp->context              = ksmp->context; */
5628         ddi_put16(acc_handle, &smp->timeout, ksmp->timeout);
5629         ddi_put32(acc_handle, &smp->data_xfer_len, ksmp->data_xfer_len);
5630 
5631         bcopy((void *)&ksmp->sas_addr, (void *)&tmp_sas_addr,
5632             sizeof (uint64_t));
5633         ddi_put64(acc_handle, &smp->sas_addr, tmp_sas_addr);
5634 
5635         ddi_put16(acc_handle, &smp->flags, ksmp->flags & ~MFI_FRAME_SGL64);
5636 
5637         model = ddi_model_convert_from(mode & FMODELS);
5638         if (model == DDI_MODEL_ILP32) {
5639                 con_log(CL_ANN1, (CE_CONT,
5640                     "issue_mfi_smp: DDI_MODEL_ILP32"));
5641 
5642                 sge32 = &smp->sgl[0].sge32[0];
5643                 ddi_put32(acc_handle, &sge32[0].length, response_xferlen);
5644                 ddi_put32(acc_handle, &sge32[0].phys_addr,
5645                     response_dma_obj.dma_cookie[0].dmac_address);
5646                 ddi_put32(acc_handle, &sge32[1].length, request_xferlen);
5647                 ddi_put32(acc_handle, &sge32[1].phys_addr,
5648                     request_dma_obj.dma_cookie[0].dmac_address);
5649         } else {
5650 #ifdef _ILP32
5651                 con_log(CL_ANN1, (CE_CONT,
5652                     "issue_mfi_smp: DDI_MODEL_ILP32"));
5653                 sge32 = &smp->sgl[0].sge32[0];
5654                 ddi_put32(acc_handle, &sge32[0].length, response_xferlen);
5655                 ddi_put32(acc_handle, &sge32[0].phys_addr,
5656                     response_dma_obj.dma_cookie[0].dmac_address);
5657                 ddi_put32(acc_handle, &sge32[1].length, request_xferlen);
5658                 ddi_put32(acc_handle, &sge32[1].phys_addr,
5659                     request_dma_obj.dma_cookie[0].dmac_address);
5660 #else
5661                 con_log(CL_ANN1, (CE_CONT,
5662                     "issue_mfi_smp: DDI_MODEL_LP64"));
5663                 sge64 = &smp->sgl[0].sge64[0];
5664                 ddi_put32(acc_handle, &sge64[0].length, response_xferlen);
5665                 ddi_put64(acc_handle, &sge64[0].phys_addr,
5666                     response_dma_obj.dma_cookie[0].dmac_address);
5667                 ddi_put32(acc_handle, &sge64[1].length, request_xferlen);
5668                 ddi_put64(acc_handle, &sge64[1].phys_addr,
5669                     request_dma_obj.dma_cookie[0].dmac_address);
5670 #endif
5671         }
5672         con_log(CL_ANN1, (CE_CONT, "issue_mfi_smp : "
5673             "smp->response_xferlen = %d, smp->request_xferlen = %d "
5674             "smp->data_xfer_len = %d", ddi_get32(acc_handle, &sge32[0].length),
5675             ddi_get32(acc_handle, &sge32[1].length),
5676             ddi_get32(acc_handle, &smp->data_xfer_len)));
5677 
5678         cmd->sync_cmd = MRSAS_TRUE;
5679         cmd->frame_count = 1;
5680 
5681         if (instance->tbolt) {
5682                 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
5683         }
5684 
5685         if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) {
5686                 con_log(CL_ANN, (CE_WARN,
5687                     "issue_mfi_smp: fw_ioctl failed"));
5688         } else {
5689                 con_log(CL_ANN1, (CE_CONT,
5690                     "issue_mfi_smp: copy to user space"));
5691 
5692                 if (request_xferlen) {
5693                         for (i = 0; i < request_xferlen; i++) {
5694                                 if (ddi_copyout(
5695                                     (uint8_t *)request_dma_obj.buffer +
5696                                     i, (uint8_t *)request_ubuf + i,
5697                                     1, mode)) {
5698                                         con_log(CL_ANN, (CE_WARN,
5699                                             "issue_mfi_smp : copy to user space"
5700                                             " failed"));
5701                                         return (DDI_FAILURE);
5702                                 }
5703                         }
5704                 }
5705 
5706                 if (response_xferlen) {
5707                         for (i = 0; i < response_xferlen; i++) {
5708                                 if (ddi_copyout(
5709                                     (uint8_t *)response_dma_obj.buffer
5710                                     + i, (uint8_t *)response_ubuf
5711                                     + i, 1, mode)) {
5712                                         con_log(CL_ANN, (CE_WARN,
5713                                             "issue_mfi_smp : copy to "
5714                                             "user space failed"));
5715                                         return (DDI_FAILURE);
5716                                 }
5717                         }
5718                 }
5719         }
5720 
5721         ksmp->cmd_status = ddi_get8(acc_handle, &smp->cmd_status);
5722         con_log(CL_ANN1, (CE_NOTE, "issue_mfi_smp: smp->cmd_status = %d",
5723             ksmp->cmd_status));
5724 
5725         if (request_xferlen) {
5726                 /* free kernel buffer */
5727                 if (mrsas_free_dma_obj(instance, request_dma_obj) !=
5728                     DDI_SUCCESS)
5729                         return (DDI_FAILURE);
5730         }
5731 
5732         if (response_xferlen) {
5733                 /* free kernel buffer */
5734                 if (mrsas_free_dma_obj(instance, response_dma_obj) !=
5735                     DDI_SUCCESS)
5736                         return (DDI_FAILURE);
5737         }
5738 
5739         return (DDI_SUCCESS);
5740 }
5741 
5742 /*
5743  * issue_mfi_stp
5744  */
5745 static int
5746 issue_mfi_stp(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl,
5747     struct mrsas_cmd *cmd, int mode)
5748 {
5749         void            *fis_ubuf;
5750         void            *data_ubuf;
5751         uint32_t        fis_xferlen = 0;
5752         uint32_t   new_xfer_length1 = 0;
5753         uint32_t   new_xfer_length2 = 0;
5754         uint32_t        data_xferlen = 0;
5755         uint_t          model;
5756         dma_obj_t       fis_dma_obj;
5757         dma_obj_t       data_dma_obj;
5758         struct mrsas_stp_frame  *kstp;
5759         struct mrsas_stp_frame  *stp;
5760         ddi_acc_handle_t        acc_handle = cmd->frame_dma_obj.acc_handle;
5761         int i;
5762 
5763         stp = &cmd->frame->stp;
5764         kstp = (struct mrsas_stp_frame *)&ioctl->frame[0];
5765 
5766         if (instance->adapterresetinprogress) {
5767                 con_log(CL_ANN1, (CE_WARN, "Reset flag set, "
5768                 "returning mfi_pkt and setting TRAN_BUSY\n"));
5769                 return (DDI_FAILURE);
5770         }
5771         model = ddi_model_convert_from(mode & FMODELS);
5772         if (model == DDI_MODEL_ILP32) {
5773                 con_log(CL_ANN1, (CE_CONT, "issue_mfi_stp: DDI_MODEL_ILP32"));
5774 
5775                 fis_xferlen     = kstp->sgl.sge32[0].length;
5776                 data_xferlen    = kstp->sgl.sge32[1].length;
5777 
5778                 fis_ubuf        = (void *)(ulong_t)kstp->sgl.sge32[0].phys_addr;
5779                 data_ubuf       = (void *)(ulong_t)kstp->sgl.sge32[1].phys_addr;
5780         }
5781         else
5782         {
5783 #ifdef _ILP32
5784                 con_log(CL_ANN1, (CE_CONT, "issue_mfi_stp: DDI_MODEL_ILP32"));
5785 
5786                 fis_xferlen     = kstp->sgl.sge32[0].length;
5787                 data_xferlen    = kstp->sgl.sge32[1].length;
5788 
5789                 fis_ubuf        = (void *)(ulong_t)kstp->sgl.sge32[0].phys_addr;
5790                 data_ubuf       = (void *)(ulong_t)kstp->sgl.sge32[1].phys_addr;
5791 #else
5792                 con_log(CL_ANN1, (CE_CONT, "issue_mfi_stp: DDI_MODEL_LP64"));
5793 
5794                 fis_xferlen     = kstp->sgl.sge64[0].length;
5795                 data_xferlen    = kstp->sgl.sge64[1].length;
5796 
5797                 fis_ubuf        = (void *)(ulong_t)kstp->sgl.sge64[0].phys_addr;
5798                 data_ubuf       = (void *)(ulong_t)kstp->sgl.sge64[1].phys_addr;
5799 #endif
5800         }
5801 
5802 
5803         if (fis_xferlen) {
5804                 con_log(CL_ANN, (CE_CONT, "issue_mfi_stp: "
5805                     "fis_ubuf = %p fis_xferlen = %x", fis_ubuf, fis_xferlen));
5806 
5807                 /* means IOCTL requires DMA */
5808                 /* allocate the data transfer buffer */
5809                 //fis_dma_obj.size = fis_xferlen;
5810                 MRSAS_GET_BOUNDARY_ALIGNED_LEN(fis_xferlen,new_xfer_length1,PAGESIZE);  
5811                 fis_dma_obj.size = new_xfer_length1;
5812                 fis_dma_obj.dma_attr = mrsas_generic_dma_attr;
5813                 fis_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
5814                 fis_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
5815                 fis_dma_obj.dma_attr.dma_attr_sgllen = 1;
5816                 fis_dma_obj.dma_attr.dma_attr_align = 1;
5817 
5818                 /* allocate kernel buffer for DMA */
5819                 if (mrsas_alloc_dma_obj(instance, &fis_dma_obj,
5820                     (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
5821                         con_log(CL_ANN, (CE_WARN, "issue_mfi_stp : "
5822                             "could not allocate data transfer buffer."));
5823                         return (DDI_FAILURE);
5824                 }
5825                 (void) memset(fis_dma_obj.buffer, 0, fis_xferlen);
5826 
5827                 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
5828                 for (i = 0; i < fis_xferlen; i++) {
5829                         if (ddi_copyin((uint8_t *)fis_ubuf + i,
5830                             (uint8_t *)fis_dma_obj.buffer + i, 1, mode)) {
5831                                 con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: "
5832                                     "copy from user space failed"));
5833                                 return (DDI_FAILURE);
5834                         }
5835                 }
5836         }
5837 
5838         if (data_xferlen) {
5839                 con_log(CL_ANN, (CE_CONT, "issue_mfi_stp: data_ubuf = %p "
5840                     "data_xferlen = %x", data_ubuf, data_xferlen));
5841 
5842                 /* means IOCTL requires DMA */
5843                 /* allocate the data transfer buffer */
5844                 //data_dma_obj.size = data_xferlen;
5845                 MRSAS_GET_BOUNDARY_ALIGNED_LEN(data_xferlen,new_xfer_length2,PAGESIZE); 
5846                 data_dma_obj.size = new_xfer_length2;
5847                 data_dma_obj.dma_attr = mrsas_generic_dma_attr;
5848                 data_dma_obj.dma_attr.dma_attr_addr_hi = 0xFFFFFFFFU;
5849                 data_dma_obj.dma_attr.dma_attr_count_max = 0xFFFFFFFFU;
5850                 data_dma_obj.dma_attr.dma_attr_sgllen = 1;
5851                 data_dma_obj.dma_attr.dma_attr_align = 1;
5852 
5853 /* allocate kernel buffer for DMA */
5854                 if (mrsas_alloc_dma_obj(instance, &data_dma_obj,
5855                     (uchar_t)DDI_STRUCTURE_LE_ACC) != 1) {
5856                         con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: "
5857                             "could not allocate data transfer buffer."));
5858                         return (DDI_FAILURE);
5859                 }
5860                 (void) memset(data_dma_obj.buffer, 0, data_xferlen);
5861 
5862                 /* If IOCTL requires DMA WRITE, do ddi_copyin IOCTL data copy */
5863                 for (i = 0; i < data_xferlen; i++) {
5864                         if (ddi_copyin((uint8_t *)data_ubuf + i,
5865                             (uint8_t *)data_dma_obj.buffer + i, 1, mode)) {
5866                                 con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: "
5867                                     "copy from user space failed"));
5868                                 return (DDI_FAILURE);
5869                         }
5870                 }
5871         }
5872 
5873         ddi_put8(acc_handle, &stp->cmd, kstp->cmd);
5874         ddi_put8(acc_handle, &stp->cmd_status, 0);
5875         ddi_put8(acc_handle, &stp->connection_status, 0);
5876         ddi_put8(acc_handle, &stp->target_id, kstp->target_id);
5877         ddi_put8(acc_handle, &stp->sge_count, kstp->sge_count);
5878 
5879         ddi_put16(acc_handle, &stp->timeout, kstp->timeout);
5880         ddi_put32(acc_handle, &stp->data_xfer_len, kstp->data_xfer_len);
5881 
5882         ddi_rep_put8(acc_handle, (uint8_t *)kstp->fis, (uint8_t *)stp->fis, 10,
5883             DDI_DEV_AUTOINCR);
5884 
5885         ddi_put16(acc_handle, &stp->flags, kstp->flags & ~MFI_FRAME_SGL64);
5886         ddi_put32(acc_handle, &stp->stp_flags, kstp->stp_flags);
5887         ddi_put32(acc_handle, &stp->sgl.sge32[0].length, fis_xferlen);
5888         ddi_put32(acc_handle, &stp->sgl.sge32[0].phys_addr,
5889             fis_dma_obj.dma_cookie[0].dmac_address);
5890         ddi_put32(acc_handle, &stp->sgl.sge32[1].length, data_xferlen);
5891         ddi_put32(acc_handle, &stp->sgl.sge32[1].phys_addr,
5892             data_dma_obj.dma_cookie[0].dmac_address);
5893 
5894         cmd->sync_cmd = MRSAS_TRUE;
5895         cmd->frame_count = 1;
5896 
5897         if (instance->tbolt) {
5898                 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
5899         }
5900 
5901         if (instance->func_ptr->issue_cmd_in_sync_mode(instance, cmd)) {
5902                 con_log(CL_ANN, (CE_WARN, "issue_mfi_stp: fw_ioctl failed"));
5903         } else {
5904 
5905                 if (fis_xferlen) {
5906                         for (i = 0; i < fis_xferlen; i++) {
5907                                 if (ddi_copyout(
5908                                     (uint8_t *)fis_dma_obj.buffer + i,
5909                                     (uint8_t *)fis_ubuf + i, 1, mode)) {
5910                                         con_log(CL_ANN, (CE_WARN,
5911                                             "issue_mfi_stp : copy to "
5912                                             "user space failed"));
5913                                         return (DDI_FAILURE);
5914                                 }
5915                         }
5916                 }
5917         }
5918         if (data_xferlen) {
5919                 for (i = 0; i < data_xferlen; i++) {
5920                         if (ddi_copyout(
5921                             (uint8_t *)data_dma_obj.buffer + i,
5922                             (uint8_t *)data_ubuf + i, 1, mode)) {
5923                                 con_log(CL_ANN, (CE_WARN,
5924                                     "issue_mfi_stp : copy to"
5925                                     " user space failed"));
5926                                 return (DDI_FAILURE);
5927                         }
5928                 }
5929         }
5930 
5931         kstp->cmd_status = ddi_get8(acc_handle, &stp->cmd_status);
5932         con_log(CL_ANN1, (CE_NOTE, "issue_mfi_stp: stp->cmd_status = %d",
5933             kstp->cmd_status));
5934 
5935         if (fis_xferlen) {
5936                 /* free kernel buffer */
5937                 if (mrsas_free_dma_obj(instance, fis_dma_obj) != DDI_SUCCESS)
5938                         return (DDI_FAILURE);
5939         }
5940 
5941         if (data_xferlen) {
5942                 /* free kernel buffer */
5943                 if (mrsas_free_dma_obj(instance, data_dma_obj) != DDI_SUCCESS)
5944                         return (DDI_FAILURE);
5945         }
5946 
5947         return (DDI_SUCCESS);
5948 }
5949 
5950 /*
5951  * fill_up_drv_ver
5952  */
5953 void
5954 fill_up_drv_ver(struct mrsas_drv_ver *dv)
5955 {
5956         (void) memset(dv, 0, sizeof (struct mrsas_drv_ver));
5957 
5958         (void) memcpy(dv->signature, "$LSI LOGIC$", strlen("$LSI LOGIC$"));
5959         (void) memcpy(dv->os_name, "Solaris", strlen("Solaris"));
5960         (void) memcpy(dv->drv_name, "mr_sas", strlen("mr_sas"));
5961         (void) memcpy(dv->drv_ver, MRSAS_VERSION, strlen(MRSAS_VERSION));
5962         (void) memcpy(dv->drv_rel_date, MRSAS_RELDATE,
5963             strlen(MRSAS_RELDATE));
5964 
5965 }
5966 
5967 /*
5968  * handle_drv_ioctl
5969  */
5970 static int
5971 handle_drv_ioctl(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl,
5972     int mode)
5973 {
5974         int     i;
5975         int     rval = DDI_SUCCESS;
5976         int     *props = NULL;
5977         void    *ubuf;
5978 
5979         uint8_t         *pci_conf_buf;
5980         uint32_t        xferlen;
5981         uint32_t        num_props;
5982         uint_t          model;
5983         struct mrsas_dcmd_frame *kdcmd;
5984         struct mrsas_drv_ver    dv;
5985         struct mrsas_pci_information pi;
5986 
5987         kdcmd = (struct mrsas_dcmd_frame *)&ioctl->frame[0];
5988 
5989         model = ddi_model_convert_from(mode & FMODELS);
5990         if (model == DDI_MODEL_ILP32) {
5991                 con_log(CL_ANN1, (CE_CONT,
5992                     "handle_drv_ioctl: DDI_MODEL_ILP32"));
5993 
5994                 xferlen = kdcmd->sgl.sge32[0].length;
5995 
5996                 ubuf = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr;
5997         } else {
5998 #ifdef _ILP32
5999                 con_log(CL_ANN1, (CE_CONT,
6000                     "handle_drv_ioctl: DDI_MODEL_ILP32"));
6001                 xferlen = kdcmd->sgl.sge32[0].length;
6002                 ubuf = (void *)(ulong_t)kdcmd->sgl.sge32[0].phys_addr;
6003 #else
6004                 con_log(CL_ANN1, (CE_CONT,
6005                     "handle_drv_ioctl: DDI_MODEL_LP64"));
6006                 xferlen = kdcmd->sgl.sge64[0].length;
6007                 ubuf = (void *)(ulong_t)kdcmd->sgl.sge64[0].phys_addr;
6008 #endif
6009         }
6010         con_log(CL_ANN1, (CE_CONT, "handle_drv_ioctl: "
6011             "dataBuf=%p size=%d bytes", ubuf, xferlen));
6012 
6013         switch (kdcmd->opcode) {
6014         case MRSAS_DRIVER_IOCTL_DRIVER_VERSION:
6015                 con_log(CL_ANN1, (CE_CONT, "handle_drv_ioctl: "
6016                     "MRSAS_DRIVER_IOCTL_DRIVER_VERSION"));
6017 
6018                 fill_up_drv_ver(&dv);
6019 
6020                 if (ddi_copyout(&dv, ubuf, xferlen, mode)) {
6021                         con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: "
6022                             "MRSAS_DRIVER_IOCTL_DRIVER_VERSION : "
6023                             "copy to user space failed"));
6024                         kdcmd->cmd_status = 1;
6025                         rval = 1;
6026                 } else {
6027                         kdcmd->cmd_status = 0;
6028                 }
6029                 break;
6030         case MRSAS_DRIVER_IOCTL_PCI_INFORMATION:
6031                 con_log(CL_ANN1, (CE_NOTE, "handle_drv_ioctl: "
6032                     "MRSAS_DRIVER_IOCTL_PCI_INFORMAITON"));
6033 
6034                 if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, instance->dip,
6035                     0, "reg", &props, &num_props)) {
6036                         con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: "
6037                             "MRSAS_DRIVER_IOCTL_PCI_INFORMATION : "
6038                             "ddi_prop_look_int_array failed"));
6039                         rval = DDI_FAILURE;
6040                 } else {
6041 
6042                         pi.busNumber = (props[0] >> 16) & 0xFF;
6043                         pi.deviceNumber = (props[0] >> 11) & 0x1f;
6044                         pi.functionNumber = (props[0] >> 8) & 0x7;
6045                         ddi_prop_free((void *)props);
6046                 }
6047 
6048                 pci_conf_buf = (uint8_t *)&pi.pciHeaderInfo;
6049 
6050                 for (i = 0; i < (sizeof (struct mrsas_pci_information) -
6051                     offsetof(struct mrsas_pci_information, pciHeaderInfo));
6052                     i++) {
6053                         pci_conf_buf[i] =
6054                             pci_config_get8(instance->pci_handle, i);
6055                 }
6056 
6057                 if (ddi_copyout(&pi, ubuf, xferlen, mode)) {
6058                         con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: "
6059                             "MRSAS_DRIVER_IOCTL_PCI_INFORMATION : "
6060                             "copy to user space failed"));
6061                         kdcmd->cmd_status = 1;
6062                         rval = 1;
6063                 } else {
6064                         kdcmd->cmd_status = 0;
6065                 }
6066                 break;
6067         default:
6068                 con_log(CL_ANN, (CE_WARN, "handle_drv_ioctl: "
6069                     "invalid driver specific IOCTL opcode = 0x%x",
6070                     kdcmd->opcode));
6071                 kdcmd->cmd_status = 1;
6072                 rval = DDI_FAILURE;
6073                 break;
6074         }
6075 
6076         return (rval);
6077 }
6078 
6079 /*
6080  * handle_mfi_ioctl
6081  */
6082 static int
6083 handle_mfi_ioctl(struct mrsas_instance *instance, struct mrsas_ioctl *ioctl,
6084     int mode)
6085 {
6086         int     rval = DDI_SUCCESS;
6087 
6088         struct mrsas_header     *hdr;
6089         struct mrsas_cmd        *cmd;
6090 
6091         if (instance->tbolt) {
6092                 cmd = get_raid_msg_mfi_pkt(instance);
6093         } else {
6094                 cmd = get_mfi_pkt(instance);
6095         }
6096         if (!cmd) {
6097                 cmn_err(CE_WARN,
6098                     "Failed to get a cmd from free-pool in handle_mfi_ioctl(). "
6099                         "fw_outstanding=0x%X max_fw_cmds=0x%X",
6100                         instance->fw_outstanding, instance->max_fw_cmds);
6101                 return (DDI_FAILURE);
6102         }
6103 
6104         /* Clear the frame buffer and assign back the context id */
6105         (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
6106         ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
6107             cmd->index);
6108 
6109         hdr = (struct mrsas_header *)&ioctl->frame[0];
6110 
6111         switch (ddi_get8(cmd->frame_dma_obj.acc_handle, &hdr->cmd)) {
6112         case MFI_CMD_OP_DCMD:
6113                 rval = issue_mfi_dcmd(instance, ioctl, cmd, mode);
6114                 break;
6115         case MFI_CMD_OP_SMP:
6116                 rval = issue_mfi_smp(instance, ioctl, cmd, mode);
6117                 break;
6118         case MFI_CMD_OP_STP:
6119                 rval = issue_mfi_stp(instance, ioctl, cmd, mode);
6120                 break;
6121         case MFI_CMD_OP_LD_SCSI:
6122         case MFI_CMD_OP_PD_SCSI:
6123                 rval = issue_mfi_pthru(instance, ioctl, cmd, mode);
6124                 break;
6125         default:
6126                 con_log(CL_ANN, (CE_WARN, "handle_mfi_ioctl: "
6127                     "invalid mfi ioctl hdr->cmd = %d", hdr->cmd));
6128                 rval = DDI_FAILURE;
6129                 break;
6130         }
6131 
6132         if (instance->tbolt) {
6133                 return_raid_msg_mfi_pkt(instance, cmd);
6134         } else {
6135                 return_mfi_pkt(instance, cmd);
6136         }
6137 
6138         return (rval);
6139 }
6140 
6141 /*
6142  * AEN
6143  */
6144 static int
6145 handle_mfi_aen(struct mrsas_instance *instance, struct mrsas_aen *aen)
6146 {
6147         int     rval = 0;
6148 
6149         rval = register_mfi_aen(instance, instance->aen_seq_num,
6150             aen->class_locale_word);
6151 
6152         aen->cmd_status = (uint8_t)rval;
6153 
6154         return (rval);
6155 }
6156 
6157 static int
6158 register_mfi_aen(struct mrsas_instance *instance, uint32_t seq_num,
6159     uint32_t class_locale_word)
6160 {
6161         int     ret_val;
6162 
6163         struct mrsas_cmd        *cmd, *aen_cmd;
6164         struct mrsas_dcmd_frame *dcmd;
6165         union mrsas_evt_class_locale    curr_aen;
6166         union mrsas_evt_class_locale    prev_aen;
6167 
6168         con_log(CL_ANN, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
6169         /*
6170          * If there an AEN pending already (aen_cmd), check if the
6171          * class_locale of that pending AEN is inclusive of the new
6172          * AEN request we currently have. If it is, then we don't have
6173          * to do anything. In other words, whichever events the current
6174          * AEN request is subscribing to, have already been subscribed
6175          * to.
6176          *
6177          * If the old_cmd is _not_ inclusive, then we have to abort
6178          * that command, form a class_locale that is superset of both
6179          * old and current and re-issue to the FW
6180          */
6181 
6182         curr_aen.word = LE_32(class_locale_word);
6183         curr_aen.members.locale = LE_16(curr_aen.members.locale);
6184         aen_cmd = instance->aen_cmd;
6185         if (aen_cmd) {
6186                 prev_aen.word = ddi_get32(aen_cmd->frame_dma_obj.acc_handle,
6187                     &aen_cmd->frame->dcmd.mbox.w[1]);
6188                 prev_aen.word = LE_32(prev_aen.word);
6189                 prev_aen.members.locale = LE_16(prev_aen.members.locale);
6190                 /*
6191                  * A class whose enum value is smaller is inclusive of all
6192                  * higher values. If a PROGRESS (= -1) was previously
6193                  * registered, then a new registration requests for higher
6194                  * classes need not be sent to FW. They are automatically
6195                  * included.
6196                  *
6197                  * Locale numbers don't have such hierarchy. They are bitmap
6198                  * values
6199                  */
6200                 if ((prev_aen.members.class <= curr_aen.members.class) &&
6201                     !((prev_aen.members.locale & curr_aen.members.locale) ^
6202                     curr_aen.members.locale)) {
6203                         /*
6204                          * Previously issued event registration includes
6205                          * current request. Nothing to do.
6206                          */
6207 
6208                         return (0);
6209                 } else {
6210                         curr_aen.members.locale |= prev_aen.members.locale;
6211 
6212                         if (prev_aen.members.class < curr_aen.members.class)
6213                                 curr_aen.members.class = prev_aen.members.class;
6214 
6215                         ret_val = abort_aen_cmd(instance, aen_cmd);
6216 
6217                         if (ret_val) {
6218                                 con_log(CL_ANN, (CE_WARN, "register_mfi_aen: "
6219                                     "failed to abort prevous AEN command"));
6220 
6221                                 return (ret_val);
6222                         }
6223                 }
6224         } else {
6225                 curr_aen.word = LE_32(class_locale_word);
6226                 curr_aen.members.locale = LE_16(curr_aen.members.locale);
6227         }
6228 
6229         if (instance->tbolt) {
6230                 cmd = get_raid_msg_mfi_pkt(instance);
6231         } else {
6232                 cmd = get_mfi_pkt(instance);
6233         }
6234 
6235         if (!cmd) {
6236                 cmn_err(CE_WARN,
6237                     "Failed to get a cmd from free-pool in register_mfi_aen(). "
6238                         "fw_outstanding=0x%X max_fw_cmds=0x%X",
6239                         instance->fw_outstanding, instance->max_fw_cmds);
6240                 return (ENOMEM);
6241         }
6242 
6243 
6244         /* Clear the frame buffer and assign back the context id */
6245         (void) memset((char *)&cmd->frame[0], 0, sizeof (union mrsas_frame));
6246         ddi_put32(cmd->frame_dma_obj.acc_handle, &cmd->frame->hdr.context,
6247             cmd->index);
6248 
6249         dcmd = &cmd->frame->dcmd;
6250 
6251         /* for(i = 0; i < DCMD_MBOX_SZ; i++) dcmd->mbox.b[i] = 0; */
6252         (void) memset(dcmd->mbox.b, 0, DCMD_MBOX_SZ);
6253 
6254         (void) memset(instance->mfi_evt_detail_obj.buffer, 0,
6255             sizeof (struct mrsas_evt_detail));
6256 
6257         /* Prepare DCMD for aen registration */
6258         ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd, MFI_CMD_OP_DCMD);
6259         ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->cmd_status, 0x0);
6260         ddi_put8(cmd->frame_dma_obj.acc_handle, &dcmd->sge_count, 1);
6261         ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->flags,
6262             MFI_FRAME_DIR_READ);
6263         ddi_put16(cmd->frame_dma_obj.acc_handle, &dcmd->timeout, 0);
6264         ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->data_xfer_len,
6265             sizeof (struct mrsas_evt_detail));
6266         ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->opcode,
6267             MR_DCMD_CTRL_EVENT_WAIT);
6268         ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->mbox.w[0], seq_num);
6269         curr_aen.members.locale = LE_16(curr_aen.members.locale);
6270         curr_aen.word = LE_32(curr_aen.word);
6271         ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->mbox.w[1],
6272             curr_aen.word);
6273         ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].phys_addr,
6274             instance->mfi_evt_detail_obj.dma_cookie[0].dmac_address);
6275         ddi_put32(cmd->frame_dma_obj.acc_handle, &dcmd->sgl.sge32[0].length,
6276             sizeof (struct mrsas_evt_detail));
6277 
6278         instance->aen_seq_num = seq_num;
6279 
6280 
6281         /*
6282          * Store reference to the cmd used to register for AEN. When an
6283          * application wants us to register for AEN, we have to abort this
6284          * cmd and re-register with a new EVENT LOCALE supplied by that app
6285          */
6286         instance->aen_cmd = cmd;
6287 
6288         cmd->frame_count = 1;
6289 
6290         /* Issue the aen registration frame */
6291         /* atomic_add_16 (&instance->fw_outstanding, 1); */
6292         if (instance->tbolt) {
6293                 mr_sas_tbolt_build_mfi_cmd(instance, cmd);
6294         }
6295         instance->func_ptr->issue_cmd(cmd, instance);
6296 
6297         return (0);
6298 }
6299 
6300 void
6301 display_scsi_inquiry(caddr_t scsi_inq)
6302 {
6303 #define MAX_SCSI_DEVICE_CODE    14
6304         int             i;
6305         char            inquiry_buf[256] = {0};
6306         int             len;
6307         const char      *const scsi_device_types[] = {
6308                 "Direct-Access    ",
6309                 "Sequential-Access",
6310                 "Printer          ",
6311                 "Processor        ",
6312                 "WORM             ",
6313                 "CD-ROM           ",
6314                 "Scanner          ",
6315                 "Optical Device   ",
6316                 "Medium Changer   ",
6317                 "Communications   ",
6318                 "Unknown          ",
6319                 "Unknown          ",
6320                 "Unknown          ",
6321                 "Enclosure        ",
6322         };
6323 
6324         len = 0;
6325 
6326         len += snprintf(inquiry_buf + len, 265 - len, "  Vendor: ");
6327         for (i = 8; i < 16; i++) {
6328                 len += snprintf(inquiry_buf + len, 265 - len, "%c",
6329                     scsi_inq[i]);
6330         }
6331 
6332         len += snprintf(inquiry_buf + len, 265 - len, "  Model: ");
6333 
6334         for (i = 16; i < 32; i++) {
6335                 len += snprintf(inquiry_buf + len, 265 - len, "%c",
6336                     scsi_inq[i]);
6337         }
6338 
6339         len += snprintf(inquiry_buf + len, 265 - len, "  Rev: ");
6340 
6341         for (i = 32; i < 36; i++) {
6342                 len += snprintf(inquiry_buf + len, 265 - len, "%c",
6343                     scsi_inq[i]);
6344         }
6345 
6346         len += snprintf(inquiry_buf + len, 265 - len, "\n");
6347 
6348 
6349         i = scsi_inq[0] & 0x1f;
6350 
6351 
6352         len += snprintf(inquiry_buf + len, 265 - len, "  Type:   %s ",
6353             i < MAX_SCSI_DEVICE_CODE ? scsi_device_types[i] :
6354             "Unknown          ");
6355 
6356 
6357         len += snprintf(inquiry_buf + len, 265 - len,
6358             "                 ANSI SCSI revision: %02x", scsi_inq[2] & 0x07);
6359 
6360         if ((scsi_inq[2] & 0x07) == 1 && (scsi_inq[3] & 0x0f) == 1) {
6361                 len += snprintf(inquiry_buf + len, 265 - len, " CCS\n");
6362         } else {
6363                 len += snprintf(inquiry_buf + len, 265 - len, "\n");
6364         }
6365 
6366         con_log(CL_DLEVEL2, (CE_CONT, inquiry_buf));
6367 }
6368 
6369 void
6370 io_timeout_checker(void *arg)
6371 {
6372         struct scsi_pkt *pkt;
6373         struct mrsas_instance *instance = arg;
6374         struct mrsas_cmd        *cmd = NULL;
6375         struct mrsas_header     *hdr;
6376         int time = 0;
6377         int counter = 0;
6378         struct mlist_head       *pos, *next;
6379         mlist_t                 process_list;
6380 
6381         if (instance->adapterresetinprogress == 1) {
6382                 con_log(CL_ANN, (CE_NOTE, "io_timeout_checker:"
6383                     " reset in progress"));
6384 
6385                 instance->timeout_id = timeout(io_timeout_checker,
6386                     (void *) instance, drv_usectohz(MRSAS_1_SECOND));
6387                 return;
6388         }
6389 
6390         /* See if this check needs to be in the beginning or last in ISR */
6391         if (mrsas_initiate_ocr_if_fw_is_faulty(instance) ==  1) {
6392                 cmn_err(CE_WARN, "io_timeout_checker:"
6393                     "FW Fault, calling reset adapter");
6394                 cmn_err(CE_CONT, "io_timeout_checker: fw_outstanding 0x%X max_fw_cmds 0x%X",
6395                         instance->fw_outstanding, instance->max_fw_cmds );
6396                 if (instance->adapterresetinprogress == 0) {
6397                         instance->adapterresetinprogress = 1;  
6398                         if (instance->tbolt)
6399                                 mrsas_tbolt_reset_ppc(instance);
6400                         else
6401                                 mrsas_reset_ppc(instance);
6402                         instance->adapterresetinprogress = 0;        
6403                 }
6404                 instance->timeout_id = timeout(io_timeout_checker,
6405                     (void *) instance, drv_usectohz(MRSAS_1_SECOND));
6406                 return;
6407         }
6408 
6409         INIT_LIST_HEAD(&process_list);
6410 
6411         mutex_enter(&instance->cmd_pend_mtx);
6412         mlist_for_each_safe(pos, next, &instance->cmd_pend_list) {
6413                 cmd = mlist_entry(pos, struct mrsas_cmd, list);
6414 
6415                 if (cmd == NULL) {
6416                         continue;
6417                 }
6418 
6419                 if (cmd->sync_cmd == MRSAS_TRUE) {
6420                         hdr = (struct mrsas_header *)&cmd->frame->hdr;
6421                         if (hdr == NULL) {
6422                                 continue;
6423                         }
6424                         time = --cmd->drv_pkt_time;
6425                 } else {     
6426                         pkt = cmd->pkt;
6427                         if (pkt == NULL) {
6428                                 continue;
6429                         }
6430                         time = --cmd->drv_pkt_time;
6431                 }
6432                 if (time <= 0) {
6433                         cmn_err(CE_WARN, "%llx: "
6434                             "io_timeout_checker: TIMING OUT: pkt "
6435                             ": %p, cmd %p fw_outstanding 0x%X max_fw_cmds 0x%X\n",
6436                                 gethrtime(), (void *)pkt, (void *)cmd, instance->fw_outstanding, instance->max_fw_cmds);
6437 
6438                         counter++;
6439                         break;
6440                 }
6441         }
6442         mutex_exit(&instance->cmd_pend_mtx);
6443 
6444         if (counter) {
6445                 if (instance->disable_online_ctrl_reset == 1) {
6446                         cmn_err(CE_WARN, "mr_sas %d: %s(): OCR is NOT supported by Firmware, KILL adapter!!!",
6447                             instance->instance, __func__);
6448 
6449                         if (instance->tbolt)
6450                                 (void) mrsas_tbolt_kill_adapter(instance);
6451                         else
6452                                 (void) mrsas_kill_adapter(instance);
6453 
6454                         return;
6455                 } else {
6456                         if (cmd->retry_count_for_ocr <=  IO_RETRY_COUNT) {
6457                                 if (instance->adapterresetinprogress == 0) {
6458                                         if (instance->tbolt)
6459                                                 mrsas_tbolt_reset_ppc(instance);
6460                                         else
6461                                                 mrsas_reset_ppc(instance);
6462                                 }
6463                         } else {
6464                                 cmn_err(CE_WARN,
6465                                     "io_timeout_checker: "
6466                                         "cmd %p cmd->index %d "
6467                                     "timed out even after 3 resets: "
6468                                     "so KILL adapter", (void *)cmd, cmd->index);
6469 
6470                                 mrsas_print_cmd_details(instance, cmd, 0xDD);
6471 
6472                                 if (instance->tbolt)
6473                                         (void) mrsas_tbolt_kill_adapter(instance);
6474                                 else
6475                                         (void) mrsas_kill_adapter(instance);
6476                                 return;
6477                         }
6478                 }
6479         }
6480         con_log(CL_ANN, (CE_NOTE, "mrsas: "
6481             "schedule next timeout check: "
6482             "do timeout \n"));
6483         instance->timeout_id =
6484             timeout(io_timeout_checker, (void *)instance,
6485             drv_usectohz(MRSAS_1_SECOND));
6486 }
6487 
6488 static uint32_t
6489 read_fw_status_reg_ppc(struct mrsas_instance *instance)
6490 {
6491         return ((uint32_t)RD_OB_SCRATCH_PAD_0(instance));
6492 }
6493 
6494 static void
6495 issue_cmd_ppc(struct mrsas_cmd *cmd, struct mrsas_instance *instance)
6496 {
6497         struct scsi_pkt *pkt;
6498         atomic_add_16(&instance->fw_outstanding, 1);
6499 
6500         pkt = cmd->pkt;
6501         if (pkt) {
6502                 con_log(CL_DLEVEL1, (CE_NOTE, "%llx : issue_cmd_ppc:"
6503                     "ISSUED CMD TO FW : called : cmd:"
6504                     ": %p instance : %p pkt : %p pkt_time : %x\n",
6505                     gethrtime(), (void *)cmd, (void *)instance,
6506                     (void *)pkt, cmd->drv_pkt_time));
6507                 if (instance->adapterresetinprogress) {
6508                         cmd->drv_pkt_time = (uint16_t)debug_timeout_g;
6509                         con_log(CL_ANN1, (CE_NOTE, "Reset the scsi_pkt timer"));
6510                 } else {
6511                         push_pending_mfi_pkt(instance, cmd);
6512                 }
6513 
6514         } else {
6515                 con_log(CL_DLEVEL1, (CE_NOTE, "%llx : issue_cmd_ppc:"
6516                     "ISSUED CMD TO FW : called : cmd : %p, instance: %p"
6517                     "(NO PKT)\n", gethrtime(), (void *)cmd, (void *)instance));
6518         }
6519 
6520         mutex_enter(&instance->reg_write_mtx);
6521         ASSERT(mutex_owned(&instance->reg_write_mtx));
6522         /* Issue the command to the FW */
6523         WR_IB_QPORT((cmd->frame_phys_addr) |
6524             (((cmd->frame_count - 1) << 1) | 1), instance);
6525         mutex_exit(&instance->reg_write_mtx);
6526 
6527 }
6528 
6529 /*
6530  * issue_cmd_in_sync_mode
6531  */
6532 static int
6533 issue_cmd_in_sync_mode_ppc(struct mrsas_instance *instance,
6534 struct mrsas_cmd *cmd)
6535 {
6536         int     i;
6537         uint32_t        msecs = MFI_POLL_TIMEOUT_SECS * (10 * MILLISEC);
6538         struct mrsas_header *hdr = &cmd->frame->hdr;
6539 
6540         con_log(CL_ANN1, (CE_NOTE, "issue_cmd_in_sync_mode_ppc: called"));
6541 
6542         if (instance->adapterresetinprogress) {
6543                 cmd->drv_pkt_time = ddi_get16(
6544                     cmd->frame_dma_obj.acc_handle, &hdr->timeout);
6545                 if (cmd->drv_pkt_time < debug_timeout_g)
6546                         cmd->drv_pkt_time = (uint16_t)debug_timeout_g;
6547 
6548                 con_log(CL_ANN1, (CE_NOTE, "sync_mode_ppc: "
6549                     "issue and return in reset case\n"));
6550                 WR_IB_QPORT((cmd->frame_phys_addr) |
6551                     (((cmd->frame_count - 1) << 1) | 1), instance);
6552 
6553                 return (DDI_SUCCESS);
6554         } else {
6555                 con_log(CL_ANN1, (CE_NOTE, "sync_mode_ppc: pushing the pkt\n"));
6556                 push_pending_mfi_pkt(instance, cmd);
6557         }
6558 
6559         cmd->cmd_status      = ENODATA;
6560 
6561         mutex_enter(&instance->reg_write_mtx);
6562         ASSERT(mutex_owned(&instance->reg_write_mtx));
6563         /* Issue the command to the FW */
6564         WR_IB_QPORT((cmd->frame_phys_addr) |
6565             (((cmd->frame_count - 1) << 1) | 1), instance);
6566         mutex_exit(&instance->reg_write_mtx);
6567 
6568         mutex_enter(&instance->int_cmd_mtx);
6569         for (i = 0; i < msecs && (cmd->cmd_status == ENODATA); i++) {
6570                 cv_wait(&instance->int_cmd_cv, &instance->int_cmd_mtx);
6571         }
6572         mutex_exit(&instance->int_cmd_mtx);
6573 
6574         con_log(CL_ANN1, (CE_NOTE, "issue_cmd_in_sync_mode_ppc: done"));
6575 
6576         if (i < (msecs -1)) {
6577                 return (DDI_SUCCESS);
6578         } else {
6579                 return (DDI_FAILURE);
6580         }
6581 }
6582 
6583 /*
6584  * issue_cmd_in_poll_mode
6585  */
6586 static int
6587 issue_cmd_in_poll_mode_ppc(struct mrsas_instance *instance,
6588     struct mrsas_cmd *cmd)
6589 {
6590         int             i;
6591         uint16_t        flags;
6592         uint32_t        msecs = MFI_POLL_TIMEOUT_SECS * MILLISEC;
6593         struct mrsas_header *frame_hdr;
6594 
6595         con_log(CL_ANN1, (CE_NOTE, "issue_cmd_in_poll_mode_ppc: called"));
6596 
6597         frame_hdr = (struct mrsas_header *)cmd->frame;
6598         ddi_put8(cmd->frame_dma_obj.acc_handle, &frame_hdr->cmd_status,
6599             MFI_CMD_STATUS_POLL_MODE);
6600         flags = ddi_get16(cmd->frame_dma_obj.acc_handle, &frame_hdr->flags);
6601         flags   |= MFI_FRAME_DONT_POST_IN_REPLY_QUEUE;
6602 
6603         ddi_put16(cmd->frame_dma_obj.acc_handle, &frame_hdr->flags, flags);
6604 
6605         /* issue the frame using inbound queue port */
6606         WR_IB_QPORT((cmd->frame_phys_addr) |
6607             (((cmd->frame_count - 1) << 1) | 1), instance);
6608 
6609         /* wait for cmd_status to change from 0xFF */
6610         for (i = 0; i < msecs && (
6611             ddi_get8(cmd->frame_dma_obj.acc_handle, &frame_hdr->cmd_status)
6612             == MFI_CMD_STATUS_POLL_MODE); i++) {
6613                 drv_usecwait(MILLISEC); /* wait for 1000 usecs */
6614         }
6615 
6616         if (ddi_get8(cmd->frame_dma_obj.acc_handle, &frame_hdr->cmd_status)
6617             == MFI_CMD_STATUS_POLL_MODE) {
6618                 con_log(CL_ANN, (CE_NOTE, "issue_cmd_in_poll_mode: "
6619                     "cmd polling timed out"));
6620                 return (DDI_FAILURE);
6621         }
6622 
6623         return (DDI_SUCCESS);
6624 }
6625 
6626 static void
6627 enable_intr_ppc(struct mrsas_instance *instance)
6628 {
6629         uint32_t        mask;
6630 
6631         con_log(CL_ANN1, (CE_NOTE, "enable_intr_ppc: called"));
6632 
6633         /* WR_OB_DOORBELL_CLEAR(0xFFFFFFFF, instance); */
6634         WR_OB_DOORBELL_CLEAR(OB_DOORBELL_CLEAR_MASK, instance);
6635 
6636         /* WR_OB_INTR_MASK(~0x80000000, instance); */
6637         WR_OB_INTR_MASK(~(MFI_REPLY_2108_MESSAGE_INTR_MASK), instance);
6638 
6639         /* dummy read to force PCI flush */
6640         mask = RD_OB_INTR_MASK(instance);
6641 
6642         con_log(CL_ANN1, (CE_NOTE, "enable_intr_ppc: "
6643             "outbound_intr_mask = 0x%x", mask));
6644 }
6645 
6646 static void
6647 disable_intr_ppc(struct mrsas_instance *instance)
6648 {
6649         uint32_t        mask;
6650 
6651         con_log(CL_ANN1, (CE_NOTE, "disable_intr_ppc: called"));
6652 
6653         con_log(CL_ANN1, (CE_NOTE, "disable_intr_ppc: before : "
6654             "outbound_intr_mask = 0x%x", RD_OB_INTR_MASK(instance)));
6655 
6656         /* WR_OB_INTR_MASK(0xFFFFFFFF, instance); */
6657         WR_OB_INTR_MASK(OB_INTR_MASK, instance);
6658 
6659         con_log(CL_ANN1, (CE_NOTE, "disable_intr_ppc: after : "
6660             "outbound_intr_mask = 0x%x", RD_OB_INTR_MASK(instance)));
6661 
6662         /* dummy read to force PCI flush */
6663         mask = RD_OB_INTR_MASK(instance);
6664 #ifdef lint
6665         mask = mask;
6666 #endif
6667 }
6668 
6669 static int
6670 intr_ack_ppc(struct mrsas_instance *instance)
6671 {
6672         uint32_t        status;
6673         int ret = DDI_INTR_CLAIMED;
6674 
6675         con_log(CL_ANN1, (CE_NOTE, "intr_ack_ppc: called"));
6676 
6677         /* check if it is our interrupt */
6678         status = RD_OB_INTR_STATUS(instance);
6679 
6680         con_log(CL_ANN1, (CE_NOTE, "intr_ack_ppc: status = 0x%x", status));
6681 
6682         if (!(status & MFI_REPLY_2108_MESSAGE_INTR)) {
6683                 ret = DDI_INTR_UNCLAIMED;
6684         }
6685 
6686         if (ret == DDI_INTR_UNCLAIMED) {
6687                 return (ret);
6688         }
6689         /* clear the interrupt by writing back the same value */
6690         WR_OB_DOORBELL_CLEAR(status, instance);
6691 
6692         /* dummy READ */
6693         status = RD_OB_INTR_STATUS(instance);
6694 
6695         con_log(CL_ANN1, (CE_NOTE, "intr_ack_ppc: interrupt cleared"));
6696 
6697         return (ret);
6698 }
6699 
6700 /*
6701  * Marks HBA as bad. This will be called either when an
6702  * IO packet times out even after 3 FW resets
6703  * or FW is found to be fault even after 3 continuous resets.
6704  */
6705 
6706 static int
6707 mrsas_kill_adapter(struct mrsas_instance *instance)
6708 {
6709         if (instance->deadadapter == 1)
6710                 return (DDI_FAILURE);
6711 
6712         con_log(CL_ANN1, (CE_NOTE, "mrsas_kill_adapter: "
6713                 "Writing to doorbell with MFI_STOP_ADP "));
6714         mutex_enter(&instance->ocr_flags_mtx);
6715         instance->deadadapter = 1;
6716         mutex_exit(&instance->ocr_flags_mtx);
6717         instance->func_ptr->disable_intr(instance);
6718         WR_IB_DOORBELL(MFI_STOP_ADP, instance);
6719         (void) mrsas_complete_pending_cmds(instance);
6720         return (DDI_SUCCESS);
6721 }
6722 
6723 
6724 static int
6725 mrsas_reset_ppc(struct mrsas_instance *instance)
6726 {
6727         uint32_t status;
6728         uint32_t retry = 0;
6729         uint32_t cur_abs_reg_val;
6730         uint32_t fw_state;
6731 
6732         con_log(CL_ANN, (CE_NOTE, "chkpnt:%s:%d", __func__, __LINE__));
6733 
6734         if (instance->deadadapter == 1) {
6735                 cmn_err(CE_WARN, "mrsas_reset_ppc: "
6736                     "no more resets as HBA has been marked dead ");
6737                 return (DDI_FAILURE);
6738         }
6739         mutex_enter(&instance->ocr_flags_mtx);
6740         instance->adapterresetinprogress = 1;
6741         mutex_exit(&instance->ocr_flags_mtx);
6742         con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: adpterresetinprogress "
6743             "flag set, time %llx", gethrtime()));
6744 
6745         instance->func_ptr->disable_intr(instance);
6746 retry_reset:
6747         WR_IB_WRITE_SEQ(0, instance);
6748         WR_IB_WRITE_SEQ(4, instance);
6749         WR_IB_WRITE_SEQ(0xb, instance);
6750         WR_IB_WRITE_SEQ(2, instance);
6751         WR_IB_WRITE_SEQ(7, instance);
6752         WR_IB_WRITE_SEQ(0xd, instance);
6753         con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: magic number written "
6754             "to write sequence register\n"));
6755         delay(100 * drv_usectohz(MILLISEC));
6756         status = RD_OB_DRWE(instance);
6757 
6758         while (!(status & DIAG_WRITE_ENABLE)) {
6759                 delay(100 * drv_usectohz(MILLISEC));
6760                 status = RD_OB_DRWE(instance);
6761                 if (retry++ == 100) {
6762                         cmn_err(CE_WARN, "mrsas_reset_ppc: DRWE bit "
6763                             "check retry count %d\n", retry);
6764                         return (DDI_FAILURE);
6765                 }
6766         }
6767         WR_IB_DRWE(status | DIAG_RESET_ADAPTER, instance);
6768         delay(100 * drv_usectohz(MILLISEC));
6769         status = RD_OB_DRWE(instance);
6770         while (status & DIAG_RESET_ADAPTER) {
6771                 delay(100 * drv_usectohz(MILLISEC));
6772                 status = RD_OB_DRWE(instance);
6773                 if (retry++ == 100) {
6774                         cmn_err(CE_WARN,
6775                                 "mrsas_reset_ppc: RESET FAILED. KILL adapter called\n.");
6776 
6777                         (void) mrsas_kill_adapter(instance);
6778                         return (DDI_FAILURE);
6779                 }
6780         }
6781         con_log(CL_ANN, (CE_NOTE, "mrsas_reset_ppc: Adapter reset complete"));
6782         con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
6783             "Calling mfi_state_transition_to_ready"));
6784 
6785         /* Mark HBA as bad, if FW is fault after 3 continuous resets */
6786         if (mfi_state_transition_to_ready(instance) ||
6787             debug_fw_faults_after_ocr_g == 1) {
6788                 cur_abs_reg_val =
6789                     instance->func_ptr->read_fw_status_reg(instance);
6790                 fw_state        = cur_abs_reg_val & MFI_STATE_MASK;
6791 
6792 #ifdef OCRDEBUG
6793                 con_log(CL_ANN1, (CE_NOTE,
6794                     "mrsas_reset_ppc :before fake: FW is not ready "
6795                     "FW state = 0x%x", fw_state));
6796                 if (debug_fw_faults_after_ocr_g == 1)
6797                         fw_state = MFI_STATE_FAULT;
6798 #endif
6799 
6800                 con_log(CL_ANN1, (CE_NOTE,  "mrsas_reset_ppc : FW is not ready "
6801                     "FW state = 0x%x", fw_state));
6802 
6803                 if (fw_state == MFI_STATE_FAULT) {
6804                         /* increment the count */
6805                         instance->fw_fault_count_after_ocr++;
6806                         if (instance->fw_fault_count_after_ocr
6807                             < MAX_FW_RESET_COUNT) {
6808                                 cmn_err(CE_WARN, "mrsas_reset_ppc: "
6809                                     "FW is in fault after OCR count %d "
6810                                         "Retry Reset",
6811                                     instance->fw_fault_count_after_ocr);
6812                                 goto retry_reset;
6813 
6814                         } else {
6815                                 cmn_err(CE_WARN, "mrsas_reset_ppc: "
6816                                         "Max Reset Count exceeded >%d"
6817                                     "Mark HBA as bad, KILL adapter", MAX_FW_RESET_COUNT);
6818 
6819                                 (void) mrsas_kill_adapter(instance);
6820                                 return (DDI_FAILURE);
6821                         }
6822                 }
6823         }
6824         /* reset the counter as FW is up after OCR */
6825         instance->fw_fault_count_after_ocr = 0;
6826 
6827 
6828         ddi_put32(instance->mfi_internal_dma_obj.acc_handle,
6829             instance->producer, 0);
6830 
6831         ddi_put32(instance->mfi_internal_dma_obj.acc_handle,
6832             instance->consumer, 0);
6833 
6834         con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
6835             " after resetting produconsumer chck indexs:"
6836             "producer %x consumer %x", *instance->producer,
6837             *instance->consumer));
6838 
6839         con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
6840             "Calling mrsas_issue_init_mfi"));
6841         (void) mrsas_issue_init_mfi(instance);
6842         con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
6843             "mrsas_issue_init_mfi Done"));
6844 
6845         con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
6846             "Calling mrsas_print_pending_cmd\n"));
6847         (void) mrsas_print_pending_cmds(instance);
6848         con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
6849             "mrsas_print_pending_cmd done\n"));
6850 
6851         instance->func_ptr->enable_intr(instance);
6852         instance->fw_outstanding = 0;
6853 
6854         con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
6855             "Calling mrsas_issue_pending_cmds"));
6856         (void) mrsas_issue_pending_cmds(instance);
6857         con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
6858         "issue_pending_cmds done.\n"));
6859 
6860         con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
6861             "Calling aen registration"));
6862 
6863 
6864         instance->aen_cmd->retry_count_for_ocr = 0;
6865         instance->aen_cmd->drv_pkt_time = 0;
6866 
6867         instance->func_ptr->issue_cmd(instance->aen_cmd, instance);
6868         con_log(CL_ANN1, (CE_NOTE, "Unsetting adpresetinprogress flag.\n"));
6869 
6870         mutex_enter(&instance->ocr_flags_mtx);
6871         instance->adapterresetinprogress = 0;
6872         mutex_exit(&instance->ocr_flags_mtx);
6873         con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc: "
6874             "adpterresetinprogress flag unset"));
6875 
6876         con_log(CL_ANN1, (CE_NOTE, "mrsas_reset_ppc done\n"));
6877         return (DDI_SUCCESS);
6878 }
6879 
6880 
6881 static int
6882 mrsas_add_intrs(struct mrsas_instance *instance, int intr_type)
6883 {
6884 
6885         dev_info_t *dip = instance->dip;
6886         int     avail, actual, count;
6887         int     i, flag, ret;
6888 
6889         con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_add_intrs: intr_type = %x",
6890             intr_type));
6891 
6892         /* Get number of interrupts */
6893         ret = ddi_intr_get_nintrs(dip, intr_type, &count);
6894         if ((ret != DDI_SUCCESS) || (count == 0)) {
6895                 con_log(CL_ANN, (CE_WARN, "ddi_intr_get_nintrs() failed:"
6896                     "ret %d count %d", ret, count));
6897 
6898                 return (DDI_FAILURE);
6899         }
6900 
6901         con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_add_intrs: count = %d ", count));
6902 
6903         /* Get number of available interrupts */
6904         ret = ddi_intr_get_navail(dip, intr_type, &avail);
6905         if ((ret != DDI_SUCCESS) || (avail == 0)) {
6906                 con_log(CL_ANN, (CE_WARN, "ddi_intr_get_navail() failed:"
6907                     "ret %d avail %d", ret, avail));
6908 
6909                 return (DDI_FAILURE);
6910         }
6911         con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_add_intrs: avail = %d ", avail));
6912 
6913         /* Only one interrupt routine. So limit the count to 1 */
6914         if (count > 1) {
6915                 count = 1;
6916         }
6917 
6918         /*
6919          * Allocate an array of interrupt handlers. Currently we support
6920          * only one interrupt. The framework can be extended later.
6921          */
6922         instance->intr_htable_size = count * sizeof (ddi_intr_handle_t);
6923         instance->intr_htable = kmem_zalloc(instance->intr_htable_size, KM_SLEEP);
6924         if (instance->intr_htable == NULL) {
6925                 con_log(CL_ANN, (CE_WARN, "mrsas_add_intrs: "
6926                         "failed to allocate memory for intr-handle table"));
6927                 instance->intr_htable_size = 0;
6928                 return (DDI_FAILURE);
6929         }
6930 
6931         flag = ((intr_type == DDI_INTR_TYPE_MSI) || (intr_type ==
6932                 DDI_INTR_TYPE_MSIX)) ? DDI_INTR_ALLOC_STRICT:DDI_INTR_ALLOC_NORMAL;
6933 
6934         /* Allocate interrupt */
6935         ret = ddi_intr_alloc(dip, instance->intr_htable, intr_type, 0,
6936                         count, &actual, flag);
6937 
6938         if ((ret != DDI_SUCCESS) || (actual == 0)) {
6939                 con_log(CL_ANN, (CE_WARN, "mrsas_add_intrs: "
6940                     "avail = %d", avail));
6941                 goto mrsas_free_htable;
6942         }
6943 
6944         if (actual < count) {
6945                 con_log(CL_ANN, (CE_WARN, "mrsas_add_intrs: "
6946                     "Requested = %d  Received = %d", count, actual));
6947         }
6948         instance->intr_cnt = actual;
6949 
6950         /*
6951          * Get the priority of the interrupt allocated.
6952          */
6953         if ((ret = ddi_intr_get_pri(instance->intr_htable[0],
6954             &instance->intr_pri)) != DDI_SUCCESS) {
6955                 con_log(CL_ANN, (CE_WARN, "mrsas_add_intrs: "
6956                     "get priority call failed"));
6957                 goto mrsas_free_handles;
6958         }
6959 
6960         /*
6961          * Test for high level mutex. we don't support them.
6962          */
6963         if (instance->intr_pri >= ddi_intr_get_hilevel_pri()) {
6964                 con_log(CL_ANN, (CE_WARN, "mrsas_add_intrs: "
6965                     "High level interrupts not supported."));
6966                 goto mrsas_free_handles;
6967         }
6968 
6969         con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_add_intrs: intr_pri = 0x%x ",
6970             instance->intr_pri));
6971 
6972         /* Call ddi_intr_add_handler() */
6973         for (i = 0; i < actual; i++) {
6974                 ret = ddi_intr_add_handler(instance->intr_htable[i],
6975                     (ddi_intr_handler_t *)mrsas_isr, (caddr_t)instance,
6976                     (caddr_t)(uintptr_t)i);
6977 
6978                 if (ret != DDI_SUCCESS) {
6979                         con_log(CL_ANN, (CE_WARN, "mrsas_add_intrs:"
6980                             "failed %d", ret));
6981                         goto mrsas_free_handles;
6982                 }
6983 
6984         }
6985 
6986         con_log(CL_DLEVEL1, (CE_NOTE, " ddi_intr_add_handler done"));
6987 
6988         if ((ret = ddi_intr_get_cap(instance->intr_htable[0],
6989             &instance->intr_cap)) != DDI_SUCCESS) {
6990                 con_log(CL_ANN, (CE_WARN, "ddi_intr_get_cap() failed %d",
6991                     ret));
6992                 goto mrsas_free_handlers;
6993         }
6994 
6995         if (instance->intr_cap &  DDI_INTR_FLAG_BLOCK) {
6996                 con_log(CL_ANN, (CE_WARN, "Calling ddi_intr_block _enable"));
6997 
6998                 (void) ddi_intr_block_enable(instance->intr_htable,
6999                     instance->intr_cnt);
7000         } else {
7001                 con_log(CL_ANN, (CE_NOTE, " calling ddi_intr_enable"));
7002 
7003                 for (i = 0; i < instance->intr_cnt; i++) {
7004                         (void) ddi_intr_enable(instance->intr_htable[i]);
7005                         con_log(CL_ANN, (CE_NOTE, "ddi intr enable returns "
7006                             "%d", i));
7007                 }
7008         }
7009 
7010         return (DDI_SUCCESS);
7011 
7012 mrsas_free_handlers:
7013         for (i = 0; i < actual; i++)
7014         {
7015                 (void) ddi_intr_remove_handler(instance->intr_htable[i]);
7016         }
7017 
7018 mrsas_free_handles:
7019         for (i = 0; i < actual; i++)
7020         {
7021                 (void) ddi_intr_free(instance->intr_htable[i]);
7022         }
7023 
7024 mrsas_free_htable:
7025         if (instance->intr_htable != NULL)
7026                 kmem_free(instance->intr_htable, instance->intr_htable_size);
7027 
7028         instance->intr_htable =NULL;
7029         instance->intr_htable_size = 0;
7030 
7031         return (DDI_FAILURE);
7032 
7033 }
7034 
7035 
7036 static void
7037 mrsas_rem_intrs(struct mrsas_instance *instance)
7038 {
7039         int i;
7040 
7041         con_log(CL_ANN, (CE_NOTE, "mrsas_rem_intrs called"));
7042 
7043         /* Disable all interrupts first */
7044         if (instance->intr_cap & DDI_INTR_FLAG_BLOCK) {
7045                 (void) ddi_intr_block_disable(instance->intr_htable,
7046                                 instance->intr_cnt);
7047         } else {
7048                 for (i = 0; i < instance->intr_cnt; i++) {
7049                         (void) ddi_intr_disable(instance->intr_htable[i]);
7050                 }
7051         }
7052 
7053         /* Remove all the handlers */
7054 
7055         for (i = 0; i < instance->intr_cnt; i++) {
7056                 (void) ddi_intr_remove_handler(instance->intr_htable[i]);
7057                 (void) ddi_intr_free(instance->intr_htable[i]);
7058         }
7059 
7060         if (instance->intr_htable != NULL)
7061                 kmem_free(instance->intr_htable, instance->intr_htable_size);
7062 
7063         instance->intr_htable =NULL;
7064         instance->intr_htable_size = 0;
7065 
7066 }
7067 
7068 static int
7069 mrsas_tran_bus_config(dev_info_t *parent, uint_t flags,
7070     ddi_bus_config_op_t op, void *arg, dev_info_t **childp)
7071 {
7072         struct mrsas_instance *instance;
7073         int config;
7074         int rval  = NDI_SUCCESS;
7075 
7076         char *ptr = NULL;
7077         int tgt, lun;
7078 
7079         con_log(CL_ANN1, (CE_NOTE, "Bus config called for op = %x", op));
7080 
7081         if ((instance = ddi_get_soft_state(mrsas_state,
7082             ddi_get_instance(parent))) == NULL) {
7083                 return (NDI_FAILURE);
7084         }
7085 
7086         /* Hold nexus during bus_config */
7087         ndi_devi_enter(parent, &config);
7088         switch (op) {
7089         case BUS_CONFIG_ONE: {
7090 
7091                 /* parse wwid/target name out of name given */
7092                 if ((ptr = strchr((char *)arg, '@')) == NULL) {
7093                         rval = NDI_FAILURE;
7094                         break;
7095                 }
7096                 ptr++;
7097 
7098                 if (mrsas_parse_devname(arg, &tgt, &lun) != 0) {
7099                         rval = NDI_FAILURE;
7100                         break;
7101                 }
7102 
7103                 if (lun == 0) {
7104                         rval = mrsas_config_ld(instance, tgt, lun, childp);
7105                 }
7106 #ifdef PDSUPPORT
7107                 else if ( instance->tbolt == 1 && lun != 0) {
7108                         rval = mrsas_tbolt_config_pd(instance, 
7109                             tgt, lun, childp);
7110                 }
7111 #endif
7112                 else {
7113                         rval = NDI_FAILURE;
7114                 }
7115 
7116                 break;
7117         }
7118         case BUS_CONFIG_DRIVER:
7119         case BUS_CONFIG_ALL: {
7120 
7121                 rval = mrsas_config_all_devices(instance);
7122 
7123                 rval = NDI_SUCCESS;
7124                 break;
7125         }
7126         }
7127 
7128         if (rval == NDI_SUCCESS) {
7129                 rval = ndi_busop_bus_config(parent, flags, op, arg, childp, 0);
7130 
7131         }
7132         ndi_devi_exit(parent, config);
7133 
7134         con_log(CL_ANN1, (CE_NOTE, "mrsas_tran_bus_config: rval = %x",
7135             rval));
7136         return (rval);
7137 }
7138 
7139 static int
7140 mrsas_config_all_devices(struct mrsas_instance *instance)
7141 {
7142         int rval, tgt;
7143 
7144         for (tgt = 0; tgt < MRDRV_MAX_LD; tgt++) {
7145                 (void) mrsas_config_ld(instance, tgt, 0, NULL);
7146 
7147         }
7148 
7149 #ifdef PDSUPPORT
7150         /* Config PD devices connected to the card */
7151         if(instance->tbolt) {
7152                 for (tgt = 0; tgt < instance->mr_tbolt_pd_max; tgt++) {
7153                         (void) mrsas_tbolt_config_pd(instance, tgt, 1, NULL);
7154                 }
7155         }
7156 #endif
7157 
7158         rval = NDI_SUCCESS;
7159         return (rval);
7160 }
7161 
7162 static int
7163 mrsas_parse_devname(char *devnm, int *tgt, int *lun)
7164 {
7165         char devbuf[SCSI_MAXNAMELEN];
7166         char *addr;
7167         char *p,  *tp, *lp;
7168         long num;
7169 
7170         /* Parse dev name and address */
7171         (void) strcpy(devbuf, devnm);
7172         addr = "";
7173         for (p = devbuf; *p != '\0'; p++) {
7174                 if (*p == '@') {
7175                         addr = p + 1;
7176                         *p = '\0';
7177                 } else if (*p == ':') {
7178                         *p = '\0';
7179                         break;
7180                 }
7181         }
7182 
7183         /* Parse target and lun */
7184         for (p = tp = addr, lp = NULL; *p != '\0'; p++) {
7185                 if (*p == ',') {
7186                         lp = p + 1;
7187                         *p = '\0';
7188                         break;
7189                 }
7190         }
7191         if (tgt && tp) {
7192                 if (ddi_strtol(tp, NULL, 0x10, &num)) {
7193                         return (DDI_FAILURE); /* Can declare this as constant */
7194                 }
7195                         *tgt = (int)num;
7196         }
7197         if (lun && lp) {
7198                 if (ddi_strtol(lp, NULL, 0x10, &num)) {
7199                         return (DDI_FAILURE);
7200                 }
7201                         *lun = (int)num;
7202         }
7203         return (DDI_SUCCESS);  /* Success case */
7204 }
7205 
7206 static int
7207 mrsas_config_ld(struct mrsas_instance *instance, uint16_t tgt,
7208     uint8_t lun, dev_info_t **ldip)
7209 {
7210         struct scsi_device *sd;
7211         dev_info_t *child;
7212         int rval;
7213 
7214         con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_config_ld: t = %d l = %d",
7215             tgt, lun));
7216 
7217         if ((child = mrsas_find_child(instance, tgt, lun)) != NULL) {
7218                 if (ldip) {
7219                         *ldip = child;
7220                 }
7221                 if (instance->mr_ld_list[tgt].flag != MRDRV_TGT_VALID) {
7222                         rval = mrsas_service_evt(instance, tgt, 0,
7223                             MRSAS_EVT_UNCONFIG_TGT, NULL);
7224                         con_log(CL_ANN1, (CE_WARN,
7225                             "mr_sas: DELETING STALE ENTRY rval = %d "
7226                             "tgt id = %d ", rval, tgt));
7227                         return (NDI_FAILURE);
7228                 }
7229                 return (NDI_SUCCESS);
7230         }
7231 
7232         sd = kmem_zalloc(sizeof (struct scsi_device), KM_SLEEP);
7233         if (sd == NULL) {
7234                 con_log(CL_ANN1, (CE_WARN,
7235                             "mrsas_config_ld: failed to allocate mem for scsi_device"));
7236                 return (NDI_FAILURE);
7237         }
7238         sd->sd_address.a_hba_tran = instance->tran;
7239         sd->sd_address.a_target = (uint16_t)tgt;
7240         sd->sd_address.a_lun = (uint8_t)lun;
7241 
7242         if (scsi_hba_probe(sd, NULL) == SCSIPROBE_EXISTS)
7243                 rval = mrsas_config_scsi_device(instance, sd, ldip);
7244         else
7245                 rval = NDI_FAILURE;
7246 
7247         /* sd_unprobe is blank now. Free buffer manually */
7248         if (sd->sd_inq) {
7249                 kmem_free(sd->sd_inq, SUN_INQSIZE);
7250                 sd->sd_inq = (struct scsi_inquiry *)NULL;
7251         }
7252 
7253         kmem_free(sd, sizeof (struct scsi_device));
7254         con_log(CL_DLEVEL1, (CE_NOTE, "mrsas_config_ld: return rval = %d",
7255             rval));
7256         return (rval);
7257 }
7258 
7259 int
7260 mrsas_config_scsi_device(struct mrsas_instance *instance,
7261     struct scsi_device *sd, dev_info_t **dipp)
7262 {
7263         char *nodename = NULL;
7264         char **compatible = NULL;
7265         int ncompatible = 0;
7266         char *childname;
7267         dev_info_t *ldip = NULL;
7268         int tgt = sd->sd_address.a_target;
7269         int lun = sd->sd_address.a_lun;
7270         int dtype = sd->sd_inq->inq_dtype & DTYPE_MASK;
7271         int rval;
7272 
7273         con_log(CL_DLEVEL1, (CE_NOTE, "mr_sas: scsi_device t%dL%d", tgt, lun));
7274         scsi_hba_nodename_compatible_get(sd->sd_inq, NULL, dtype,
7275             NULL, &nodename, &compatible, &ncompatible);
7276 
7277         if (nodename == NULL) {
7278                 con_log(CL_ANN1, (CE_WARN, "mr_sas: Found no compatible driver "
7279                     "for t%dL%d", tgt, lun));
7280                 rval = NDI_FAILURE;
7281                 goto finish;
7282         }
7283 
7284         childname = (dtype == DTYPE_DIRECT) ? "sd" : nodename;
7285         con_log(CL_DLEVEL1, (CE_NOTE,
7286             "mr_sas: Childname = %2s nodename = %s", childname, nodename));
7287 
7288         /* Create a dev node */
7289         rval = ndi_devi_alloc(instance->dip, childname, DEVI_SID_NODEID, &ldip);
7290         con_log(CL_DLEVEL1, (CE_NOTE,
7291             "mr_sas_config_scsi_device: ndi_devi_alloc rval = %x", rval));
7292         if (rval == NDI_SUCCESS) {
7293                 if (ndi_prop_update_int(DDI_DEV_T_NONE, ldip, "target", tgt) !=
7294                     DDI_PROP_SUCCESS) {
7295                         con_log(CL_ANN1, (CE_WARN, "mr_sas: unable to create "
7296                             "property for t%dl%d target", tgt, lun));
7297                         rval = NDI_FAILURE;
7298                         goto finish;
7299                 }
7300                 if (ndi_prop_update_int(DDI_DEV_T_NONE, ldip, "lun", lun) !=
7301                     DDI_PROP_SUCCESS) {
7302                         con_log(CL_ANN1, (CE_WARN, "mr_sas: unable to create "
7303                             "property for t%dl%d lun", tgt, lun));
7304                         rval = NDI_FAILURE;
7305                         goto finish;
7306                 }
7307 
7308                 if (ndi_prop_update_string_array(DDI_DEV_T_NONE, ldip,
7309                     "compatible", compatible, ncompatible) !=
7310                     DDI_PROP_SUCCESS) {
7311                         con_log(CL_ANN1, (CE_WARN, "mr_sas: unable to create "
7312                             "property for t%dl%d compatible", tgt, lun));
7313                         rval = NDI_FAILURE;
7314                         goto finish;
7315                 }
7316 
7317                 rval = ndi_devi_online(ldip, NDI_ONLINE_ATTACH);
7318                 if (rval != NDI_SUCCESS) {
7319                         con_log(CL_ANN1, (CE_WARN, "mr_sas: unable to online "
7320                             "t%dl%d", tgt, lun));
7321                         ndi_prop_remove_all(ldip);
7322                         (void) ndi_devi_free(ldip);
7323                 } else {
7324                         con_log(CL_ANN1, (CE_CONT, "mr_sas: online Done :"
7325                             "0 t%dl%d", tgt, lun));
7326                 }
7327 
7328         }
7329 finish:
7330         if (dipp) {
7331                 *dipp = ldip;
7332         }
7333 
7334         con_log(CL_DLEVEL1, (CE_NOTE,
7335             "mr_sas: config_scsi_device rval = %d t%dL%d",
7336             rval, tgt, lun));
7337         scsi_hba_nodename_compatible_free(nodename, compatible);
7338         return (rval);
7339 }
7340 
7341 /*ARGSUSED*/
7342 int
7343 mrsas_service_evt(struct mrsas_instance *instance, int tgt, int lun, int event,
7344     uint64_t wwn)
7345 {
7346         struct mrsas_eventinfo *mrevt = NULL;
7347 
7348         con_log(CL_ANN1, (CE_NOTE,
7349             "mrsas_service_evt called for t%dl%d event = %d",
7350             tgt, lun, event));
7351 
7352         if ((instance->taskq == NULL) || (mrevt =
7353             kmem_zalloc(sizeof (struct mrsas_eventinfo), KM_NOSLEEP)) == NULL) {
7354                 return (ENOMEM);
7355         }
7356 
7357         mrevt->instance = instance;
7358         mrevt->tgt = tgt;
7359         mrevt->lun = lun;
7360         mrevt->event = event;
7361         mrevt->wwn = wwn;
7362 
7363         if ((ddi_taskq_dispatch(instance->taskq,
7364             (void (*)(void *))mrsas_issue_evt_taskq, mrevt, DDI_NOSLEEP)) !=
7365             DDI_SUCCESS) {
7366                 con_log(CL_ANN1, (CE_NOTE,
7367                     "mr_sas: Event task failed for t%dl%d event = %d",
7368                     tgt, lun, event));
7369                 kmem_free(mrevt, sizeof (struct mrsas_eventinfo));
7370                 return (DDI_FAILURE);
7371         }
7372 
7373         return (DDI_SUCCESS);
7374 }
7375 
7376 static void
7377 mrsas_issue_evt_taskq(struct mrsas_eventinfo *mrevt)
7378 {
7379         struct mrsas_instance *instance = mrevt->instance;
7380         dev_info_t *dip, *pdip;
7381         int circ1 = 0;
7382         char *devname;
7383 
7384         con_log(CL_ANN1, (CE_NOTE, "mrsas_issue_evt_taskq: called for"
7385             " tgt %d lun %d event %d",
7386             mrevt->tgt, mrevt->lun, mrevt->event));
7387 
7388         if (mrevt->tgt < MRDRV_MAX_LD && mrevt->lun == 0) {
7389                 mutex_enter(&instance->config_dev_mtx);
7390                 dip = instance->mr_ld_list[mrevt->tgt].dip;
7391                 mutex_exit(&instance->config_dev_mtx);
7392         }
7393 
7394 #ifdef PDSUPPORT
7395         else {
7396                 mutex_enter(&instance->config_dev_mtx);
7397                 dip = instance->mr_tbolt_pd_list[mrevt->tgt].dip;
7398                 mutex_exit(&instance->config_dev_mtx);
7399         }
7400 #endif
7401 
7402         ndi_devi_enter(instance->dip, &circ1);
7403         switch (mrevt->event) {
7404         case MRSAS_EVT_CONFIG_TGT:
7405                 if (dip == NULL) {
7406 
7407                         if (mrevt->lun == 0) {
7408                                 (void) mrsas_config_ld(instance, mrevt->tgt,
7409                                     0, NULL);
7410                         }
7411 #ifdef PDSUPPORT
7412                         else if (instance->tbolt) {
7413                                 (void) mrsas_tbolt_config_pd(instance,
7414                                     mrevt->tgt,
7415                                     1, NULL);
7416                         }
7417 #endif
7418                         con_log(CL_ANN1, (CE_NOTE,
7419                             "mr_sas: EVT_CONFIG_TGT called:"
7420                             " for tgt %d lun %d event %d",
7421                             mrevt->tgt, mrevt->lun, mrevt->event));
7422 
7423                 } else {
7424                         con_log(CL_ANN1, (CE_NOTE,
7425                             "mr_sas: EVT_CONFIG_TGT dip != NULL:"
7426                             " for tgt %d lun %d event %d",
7427                             mrevt->tgt, mrevt->lun, mrevt->event));
7428                 }
7429                 break;
7430         case MRSAS_EVT_UNCONFIG_TGT:
7431                 if (dip) {
7432                         if (i_ddi_devi_attached(dip)) {
7433 
7434                                 pdip = ddi_get_parent(dip);
7435 
7436                                 devname = kmem_zalloc(MAXNAMELEN + 1, KM_SLEEP);
7437                                 (void) ddi_deviname(dip, devname);
7438 
7439                                 (void) devfs_clean(pdip, devname + 1,
7440                                     DV_CLEAN_FORCE);
7441                                 kmem_free(devname, MAXNAMELEN + 1);
7442                         }
7443                         (void) ndi_devi_offline(dip, NDI_DEVI_REMOVE);
7444                         con_log(CL_ANN1, (CE_NOTE,
7445                             "mr_sas: EVT_UNCONFIG_TGT called:"
7446                             " for tgt %d lun %d event %d",
7447                             mrevt->tgt, mrevt->lun, mrevt->event));
7448                 } else {
7449                         con_log(CL_ANN1, (CE_NOTE,
7450                             "mr_sas: EVT_UNCONFIG_TGT dip == NULL:"
7451                             " for tgt %d lun %d event %d",
7452                             mrevt->tgt, mrevt->lun, mrevt->event));
7453                 }
7454                 break;
7455         }
7456         kmem_free(mrevt, sizeof (struct mrsas_eventinfo));
7457         ndi_devi_exit(instance->dip, circ1);
7458 }
7459 
7460 
7461 int
7462 mrsas_mode_sense_build(struct scsi_pkt *pkt)
7463 {
7464         union scsi_cdb          *cdbp;
7465         uint16_t                page_code;
7466         struct scsa_cmd         *acmd;
7467         struct buf              *bp;
7468         struct mode_header      *modehdrp;
7469 
7470         cdbp = (void *)pkt->pkt_cdbp;
7471         page_code = cdbp->cdb_un.sg.scsi[0];
7472         acmd = PKT2CMD(pkt);
7473         bp = acmd->cmd_buf;
7474         if ((!bp) && bp->b_un.b_addr && bp->b_bcount && acmd->cmd_dmacount) {
7475                 con_log(CL_ANN1, (CE_WARN, "Failing MODESENSE Command"));
7476                 /* ADD pkt statistics as Command failed. */
7477                 return (NULL);
7478         }
7479 
7480         bp_mapin(bp);
7481         bzero(bp->b_un.b_addr, bp->b_bcount);
7482 
7483         switch (page_code) {
7484                 case 0x3: {
7485                         struct mode_format *page3p = NULL;
7486                         modehdrp = (struct mode_header *)(bp->b_un.b_addr);
7487                         modehdrp->bdesc_length = MODE_BLK_DESC_LENGTH;
7488 
7489                         page3p = (void *)((caddr_t)modehdrp +
7490                             MODE_HEADER_LENGTH + MODE_BLK_DESC_LENGTH);
7491                         page3p->mode_page.code = 0x3;
7492                         page3p->mode_page.length =
7493                             (uchar_t)(sizeof (struct mode_format));
7494                         page3p->data_bytes_sect = 512;
7495                         page3p->sect_track = 63;
7496                         break;
7497                 }
7498                 case 0x4: {
7499                         struct mode_geometry *page4p = NULL;
7500                         modehdrp = (struct mode_header *)(bp->b_un.b_addr);
7501                         modehdrp->bdesc_length = MODE_BLK_DESC_LENGTH;
7502 
7503                         page4p = (void *)((caddr_t)modehdrp +
7504                             MODE_HEADER_LENGTH + MODE_BLK_DESC_LENGTH);
7505                         page4p->mode_page.code = 0x4;
7506                         page4p->mode_page.length =
7507                             (uchar_t)(sizeof (struct mode_geometry));
7508                         page4p->heads = 255;
7509                         page4p->rpm = 10000;
7510                         break;
7511                 }
7512                 default:
7513                         break;
7514         }
7515         return (NULL);
7516 }
7517