NEX-1643 dtrace provider for smbsrv
Reviewed by: Evan Layton <evan.layton@nexenta.com>
Reviewed by: Matt Barden <matt.barden@nexenta.com>
SMB-65 SMB server in non-global zones (data structure changes)
Many things move to the smb_server_t object, and
many functions gain an sv arg (which server).
re #7815 SMB server delivers old modification time...
re #6812 rb1753 backport illumos 1604 smbd print_enable doesn't really work

*** 18,28 ****
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright 2013 Nexenta Systems, Inc.  All rights reserved.
   */
  
  /*
   * SMB print interface.
   */
--- 18,28 ----
   *
   * CDDL HEADER END
   */
  /*
   * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright 2017 Nexenta Systems, Inc.  All rights reserved.
   */
  
  /*
   * SMB print interface.
   */
*** 76,95 ****
                  (void) snprintf(path, MAXPATHLEN, "%s%05u", identifier, new_id);
          }
  
          op->create_disposition = FILE_OVERWRITE_IF;
          op->create_options = FILE_NON_DIRECTORY_FILE;
!         DTRACE_SMB_2(op__OpenPrintFile__start, smb_request_t *, sr,
!             struct open_param *, op);
  
          return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
  }
  
  void
  smb_post_open_print_file(smb_request_t *sr)
  {
!         DTRACE_SMB_1(op__OpenPrintFile__done, smb_request_t *, sr);
  }
  
  /*
   * Creates a new spool file which will be later copied and
   * deleted by cupsd.  After the file is created, information
--- 76,94 ----
                  (void) snprintf(path, MAXPATHLEN, "%s%05u", identifier, new_id);
          }
  
          op->create_disposition = FILE_OVERWRITE_IF;
          op->create_options = FILE_NON_DIRECTORY_FILE;
!         DTRACE_SMB_START(op__OpenPrintFile, smb_request_t *, sr); /* arg.open */
  
          return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
  }
  
  void
  smb_post_open_print_file(smb_request_t *sr)
  {
!         DTRACE_SMB_DONE(op__OpenPrintFile, smb_request_t *, sr);
  }
  
  /*
   * Creates a new spool file which will be later copied and
   * deleted by cupsd.  After the file is created, information
*** 156,173 ****
  {
          int rc;
  
          rc = smbsr_decode_vwv(sr, "w", &sr->smb_fid);
  
!         DTRACE_SMB_1(op__ClosePrintFile__start, smb_request_t *, sr);
          return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
  }
  
  void
  smb_post_close_print_file(smb_request_t *sr)
  {
!         DTRACE_SMB_1(op__ClosePrintFile__done, smb_request_t *, sr);
  }
  
  /*
   *
   * Adds the print file fid to a list to be used as a search
--- 155,172 ----
  {
          int rc;
  
          rc = smbsr_decode_vwv(sr, "w", &sr->smb_fid);
  
!         DTRACE_SMB_START(op__ClosePrintFile, smb_request_t *, sr);
          return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
  }
  
  void
  smb_post_close_print_file(smb_request_t *sr)
  {
!         DTRACE_SMB_DONE(op__ClosePrintFile, smb_request_t *, sr);
  }
  
  /*
   *
   * Adds the print file fid to a list to be used as a search
*** 207,224 ****
   * this request is optional (not required for Windows clients).
   */
  smb_sdrc_t
  smb_pre_get_print_queue(smb_request_t *sr)
  {
!         DTRACE_SMB_1(op__GetPrintQueue__start, smb_request_t *, sr);
          return (SDRC_SUCCESS);
  }
  
  void
  smb_post_get_print_queue(smb_request_t *sr)
  {
!         DTRACE_SMB_1(op__GetPrintQueue__done, smb_request_t *, sr);
  }
  
  smb_sdrc_t
  smb_com_get_print_queue(smb_request_t *sr)
  {
--- 206,223 ----
   * this request is optional (not required for Windows clients).
   */
  smb_sdrc_t
  smb_pre_get_print_queue(smb_request_t *sr)
  {
!         DTRACE_SMB_START(op__GetPrintQueue, smb_request_t *, sr);
          return (SDRC_SUCCESS);
  }
  
  void
  smb_post_get_print_queue(smb_request_t *sr)
  {
!         DTRACE_SMB_DONE(op__GetPrintQueue, smb_request_t *, sr);
  }
  
  smb_sdrc_t
  smb_com_get_print_queue(smb_request_t *sr)
  {
*** 253,270 ****
          sr->arg.rw = param;
          param->rw_magic = SMB_RW_MAGIC;
  
          rc = smbsr_decode_vwv(sr, "w", &sr->smb_fid);
  
!         DTRACE_SMB_1(op__WritePrintFile__start, smb_request_t *, sr);
          return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
  }
  
  void
  smb_post_write_print_file(smb_request_t *sr)
  {
!         DTRACE_SMB_1(op__WritePrintFile__done, smb_request_t *, sr);
  
          kmem_free(sr->arg.rw, sizeof (smb_rw_param_t));
  }
  
  smb_sdrc_t
--- 252,269 ----
          sr->arg.rw = param;
          param->rw_magic = SMB_RW_MAGIC;
  
          rc = smbsr_decode_vwv(sr, "w", &sr->smb_fid);
  
!         DTRACE_SMB_START(op__WritePrintFile, smb_request_t *, sr);
          return ((rc == 0) ? SDRC_SUCCESS : SDRC_ERROR);
  }
  
  void
  smb_post_write_print_file(smb_request_t *sr)
  {
!         DTRACE_SMB_DONE(op__WritePrintFile, smb_request_t *, sr);
  
          kmem_free(sr->arg.rw, sizeof (smb_rw_param_t));
  }
  
  smb_sdrc_t