blob: 34f069c79067a2136898f3dd4763bfa286e4e502 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
/* QLogic qed NIC Driver
* Copyright (c) 2015-2017 QLogic Corporation
*/
#ifndef __STORAGE_COMMON__
#define __STORAGE_COMMON__
/*********************/
/* SCSI CONSTANTS */
/*********************/
#define SCSI_MAX_NUM_OF_CMDQS (NUM_OF_GLOBAL_QUEUES / 2)
#define BDQ_NUM_RESOURCES (4)
#define BDQ_ID_RQ (0)
#define BDQ_ID_IMM_DATA (1)
#define BDQ_ID_TQ (2)
#define BDQ_NUM_IDS (3)
#define SCSI_NUM_SGES_SLOW_SGL_THR 8
#define BDQ_MAX_EXTERNAL_RING_SIZE BIT(15)
/* SCSI op codes */
#define SCSI_OPCODE_COMPARE_AND_WRITE (0x89)
#define SCSI_OPCODE_READ_10 (0x28)
#define SCSI_OPCODE_WRITE_6 (0x0A)
#define SCSI_OPCODE_WRITE_10 (0x2A)
#define SCSI_OPCODE_WRITE_12 (0xAA)
#define SCSI_OPCODE_WRITE_16 (0x8A)
#define SCSI_OPCODE_WRITE_AND_VERIFY_10 (0x2E)
#define SCSI_OPCODE_WRITE_AND_VERIFY_12 (0xAE)
#define SCSI_OPCODE_WRITE_AND_VERIFY_16 (0x8E)
/* iSCSI Drv opaque */
struct iscsi_drv_opaque {
__le16 reserved_zero[3];
__le16 opaque;
};
/* Scsi 2B/8B opaque union */
union scsi_opaque {
struct regpair fcoe_opaque;
struct iscsi_drv_opaque iscsi_opaque;
};
/* SCSI buffer descriptor */
struct scsi_bd {
struct regpair address;
union scsi_opaque opaque;
};
/* Scsi Drv BDQ struct */
struct scsi_bdq_ram_drv_data {
__le16 external_producer;
__le16 reserved0[3];
};
/* SCSI SGE entry */
struct scsi_sge {
struct regpair sge_addr;
__le32 sge_len;
__le32 reserved;
};
/* Cached SGEs section */
struct scsi_cached_sges {
struct scsi_sge sge[4];
};
/* Scsi Drv CMDQ struct */
struct scsi_drv_cmdq {
__le16 cmdq_cons;
__le16 reserved0;
__le32 reserved1;
};
/* Common SCSI init params passed by driver to FW in function init ramrod */
struct scsi_init_func_params {
__le16 num_tasks;
u8 log_page_size;
u8 log_page_size_conn;
u8 debug_mode;
u8 reserved2[11];
};
/* SCSI RQ/CQ/CMDQ firmware function init parameters */
struct scsi_init_func_queues {
struct regpair glbl_q_params_addr;
__le16 rq_buffer_size;
__le16 cq_num_entries;
__le16 cmdq_num_entries;
u8 bdq_resource_id;
u8 q_validity;
#define SCSI_INIT_FUNC_QUEUES_RQ_VALID_MASK 0x1
#define SCSI_INIT_FUNC_QUEUES_RQ_VALID_SHIFT 0
#define SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID_MASK 0x1
#define SCSI_INIT_FUNC_QUEUES_IMM_DATA_VALID_SHIFT 1
#define SCSI_INIT_FUNC_QUEUES_CMD_VALID_MASK 0x1
#define SCSI_INIT_FUNC_QUEUES_CMD_VALID_SHIFT 2
#define SCSI_INIT_FUNC_QUEUES_TQ_VALID_MASK 0x1
#define SCSI_INIT_FUNC_QUEUES_TQ_VALID_SHIFT 3
#define SCSI_INIT_FUNC_QUEUES_SOC_EN_MASK 0x1
#define SCSI_INIT_FUNC_QUEUES_SOC_EN_SHIFT 4
#define SCSI_INIT_FUNC_QUEUES_SOC_NUM_OF_BLOCKS_LOG_MASK 0x7
#define SCSI_INIT_FUNC_QUEUES_SOC_NUM_OF_BLOCKS_LOG_SHIFT 5
__le16 cq_cmdq_sb_num_arr[SCSI_MAX_NUM_OF_CMDQS];
u8 num_queues;
u8 queue_relative_offset;
u8 cq_sb_pi;
u8 cmdq_sb_pi;
u8 bdq_pbl_num_entries[BDQ_NUM_IDS];
u8 reserved1;
struct regpair bdq_pbl_base_address[BDQ_NUM_IDS];
__le16 bdq_xoff_threshold[BDQ_NUM_IDS];
__le16 cmdq_xoff_threshold;
__le16 bdq_xon_threshold[BDQ_NUM_IDS];
__le16 cmdq_xon_threshold;
};
/* Scsi Drv BDQ Data struct (2 BDQ IDs: 0 - RQ, 1 - Immediate Data) */
struct scsi_ram_per_bdq_resource_drv_data {
struct scsi_bdq_ram_drv_data drv_data_per_bdq_id[BDQ_NUM_IDS];
};
/* SCSI SGL types */
enum scsi_sgl_mode {
SCSI_TX_SLOW_SGL,
SCSI_FAST_SGL,
MAX_SCSI_SGL_MODE
};
/* SCSI SGL parameters */
struct scsi_sgl_params {
struct regpair sgl_addr;
__le32 sgl_total_length;
__le32 sge_offset;
__le16 sgl_num_sges;
u8 sgl_index;
u8 reserved;
};
/* SCSI terminate connection params */
struct scsi_terminate_extra_params {
__le16 unsolicited_cq_count;
__le16 cmdq_count;
u8 reserved[4];
};
/* SCSI Task Queue Element */
struct scsi_tqe {
__le16 itid;
};
#endif /* __STORAGE_COMMON__ */
|
