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NEX-5717 import QLogic 16G FC drivers
Reviewed by: Steve Peng <steve.peng@nexenta.com>
Reviewed by: Josef 'Jeff' Sipek <josef.sipek@nexenta.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
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--- old/usr/src/uts/common/io/comstar/port/qlt/qlt_dma.h
+++ new/usr/src/uts/common/io/comstar/port/qlt/qlt_dma.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
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13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
20 20 */
21 21
22 22 /*
23 - * Copyright 2009 QLogic Corporation. All rights reserved.
23 + * Copyright 2009-2015 QLogic Corporation. All rights reserved.
24 24 * Use is subject to license terms.
25 25 */
26 26
27 27 /*
28 - * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
28 + * Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
29 29 */
30 30
31 31 #ifndef _QLT_DMA_H
32 32 #define _QLT_DMA_H
33 33
34 34 #include <sys/stmf.h>
35 35
36 36 #ifdef __cplusplus
37 37 extern "C" {
38 38 #endif
39 39
40 40 /*
41 41 * DMA memory object.
42 42 */
43 43 #define QLT_DMA_SG_LIST_LENGTH 1270
44 44 #define CMD7_2400_DATA_SEGMENTS 1
45 45 #define CONT_A64_DATA_SEGMENTS 5
46 46
47 47
48 48 /*
49 49 * Container for ddi_dma_handle
50 50 *
51 51 * These elements are either linked to an active dbuf or in the free list.
52 52 */
53 53 struct qlt_dma_handle {
54 54 struct qlt_dma_handle *next;
55 55 ddi_dma_handle_t dma_handle;
56 56 ddi_dma_cookie_t first_cookie;
57 57 uint_t num_cookies;
58 58 uint_t num_cookies_fetched;
59 59 };
60 60
61 61 typedef struct qlt_dma_handle qlt_dma_handle_t;
62 62
63 63 /*
64 64 * The dbuf private data when using a scatter/gather list.
65 65 */
66 66 struct qlt_dma_sgl {
67 67 uint16_t handle_count;
68 68 uint16_t cookie_count;
69 69 uint16_t cookie_next_fetch;
70 70 uint16_t cookie_prefetched;
71 71 qlt_dma_handle_t *handle_list;
72 72 qlt_dma_handle_t *handle_next_fetch;
73 73 size_t qsize;
74 74 ddi_dma_cookie_t cookie[1];
75 75 };
76 76
77 77 typedef struct qlt_dma_sgl qlt_dma_sgl_t;
78 78
79 79 /*
80 80 * Structure to maintain ddi_dma_handle free pool.
81 81 */
82 82 struct qlt_dma_handle_pool {
83 83 kmutex_t pool_lock; /* protects all fields */
84 84 qlt_dma_handle_t *free_list;
85 85 int num_free;
86 86 int num_total;
87 87 };
88 88
89 89 typedef struct qlt_dma_handle_pool qlt_dma_handle_pool_t;
90 90
91 91 struct qlt_dmem_bucket;
92 92
93 93 typedef struct qlt_dmem_bctl {
94 94 struct qlt_dmem_bucket *bctl_bucket;
95 95 struct qlt_dmem_bctl *bctl_next;
96 96 uint64_t bctl_dev_addr;
97 97 uint8_t bctl_task_ndx; /* notused */
98 98 stmf_data_buf_t *bctl_buf;
99 99 } qlt_dmem_bctl_t;
100 100
101 101 typedef struct qlt_dmem_bucket {
102 102 uint32_t dmem_buf_size;
103 103 uint32_t dmem_nbufs;
104 104 uint32_t dmem_nbufs_free;
105 105 uint8_t *dmem_host_addr;
106 106 uint64_t dmem_dev_addr;
107 107 ddi_dma_handle_t dmem_dma_handle;
108 108 ddi_acc_handle_t dmem_acc_handle;
109 109 kmutex_t dmem_lock;
110 110 qlt_dmem_bctl_t *dmem_bctl_free_list;
111 111 void *dmem_bctls_mem;
112 112 } qlt_dmem_bucket_t;
113 113
114 114 fct_status_t qlt_dmem_init(qlt_state_t *qlt);
115 115 void qlt_dmem_fini(qlt_state_t *qlt);
116 116 void qlt_dma_handle_pool_init(qlt_state_t *qlt);
117 117 void qlt_dma_handle_pool_fini(qlt_state_t *qlt);
118 118 stmf_data_buf_t *qlt_dmem_alloc(fct_local_port_t *port, uint32_t size,
119 119 uint32_t *pminsize, uint32_t flags);
120 120 stmf_data_buf_t *qlt_i_dmem_alloc(qlt_state_t *qlt, uint32_t size,
121 121 uint32_t *pminsize, uint32_t flags);
122 122 void qlt_dmem_free(fct_dbuf_store_t *fds, stmf_data_buf_t *dbuf);
123 123 void qlt_i_dmem_free(qlt_state_t *qlt, stmf_data_buf_t *dbuf);
124 124 stmf_status_t qlt_dma_setup_dbuf(fct_local_port_t *port,
125 125 stmf_data_buf_t *dbuf, uint32_t flags);
126 126 void qlt_dma_teardown_dbuf(fct_dbuf_store_t *fds, stmf_data_buf_t *dbuf);
127 127 void qlt_dmem_dma_sync(stmf_data_buf_t *dbuf, uint_t sync_type);
128 128 uint8_t qlt_get_iocb_count(uint32_t cookie_cnt);
129 129 uint64_t qlt_ddi_vtop(caddr_t vaddr);
130 130 /*
131 131 * XXX move the following into the fct layer
132 132 */
133 133 uint16_t qlt_get_cookie_count(stmf_data_buf_t *dbuf);
134 134 void qlt_ddi_dma_nextcookie(stmf_data_buf_t *dbuf, ddi_dma_cookie_t *cookie_p);
135 135 ddi_dma_cookie_t *qlt_get_cookie_array(stmf_data_buf_t *dbuf);
136 136
137 137
138 138 #ifdef __cplusplus
139 139 }
140 140 #endif
141 141
142 142 #endif /* _QLT_DMA_H */
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