summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/lpfc/lpfc_bsg.h
blob: f2247aa4fa17360f987d0b5fb0f671c5741618ad (plain)
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
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
/*******************************************************************
 * This file is part of the Emulex Linux Device Driver for         *
 * Fibre Channel Host Bus Adapters.                                *
 * Copyright (C) 2010-2015 Emulex.  All rights reserved.                *
 * EMULEX and SLI are trademarks of Emulex.                        *
 * www.emulex.com                                                  *
 *                                                                 *
 * This program is free software; you can redistribute it and/or   *
 * modify it under the terms of version 2 of the GNU General       *
 * Public License as published by the Free Software Foundation.    *
 * This program is distributed in the hope that it will be useful. *
 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
 * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
 * more details, a copy of which can be found in the file COPYING  *
 * included with this package.                                     *
 *******************************************************************/
/* bsg definitions
 * No pointers to user data are allowed, all application buffers and sizes will
 * derived through the bsg interface.
 *
 * These are the vendor unique structures passed in using the bsg
 * FC_BSG_HST_VENDOR message code type.
 */
#define LPFC_BSG_VENDOR_SET_CT_EVENT		1
#define LPFC_BSG_VENDOR_GET_CT_EVENT		2
#define LPFC_BSG_VENDOR_SEND_MGMT_RESP		3
#define LPFC_BSG_VENDOR_DIAG_MODE		4
#define LPFC_BSG_VENDOR_DIAG_RUN_LOOPBACK	5
#define LPFC_BSG_VENDOR_GET_MGMT_REV		6
#define LPFC_BSG_VENDOR_MBOX			7
#define LPFC_BSG_VENDOR_MENLO_CMD		8
#define LPFC_BSG_VENDOR_MENLO_DATA		9
#define LPFC_BSG_VENDOR_DIAG_MODE_END		10
#define LPFC_BSG_VENDOR_LINK_DIAG_TEST		11
#define LPFC_BSG_VENDOR_FORCED_LINK_SPEED	14

struct set_ct_event {
	uint32_t command;
	uint32_t type_mask;
	uint32_t ev_req_id;
	uint32_t ev_reg_id;
};

struct get_ct_event {
	uint32_t command;
	uint32_t ev_reg_id;
	uint32_t ev_req_id;
};

struct get_ct_event_reply {
	uint32_t immed_data;
	uint32_t type;
};

struct send_mgmt_resp {
	uint32_t command;
	uint32_t tag;
};


#define INTERNAL_LOOP_BACK 0x1 /* adapter short cuts the loop internally */
#define EXTERNAL_LOOP_BACK 0x2 /* requires an external loopback plug */

struct diag_mode_set {
	uint32_t command;
	uint32_t type;
	uint32_t timeout;
};

struct sli4_link_diag {
	uint32_t command;
	uint32_t timeout;
	uint32_t test_id;
	uint32_t loops;
	uint32_t test_version;
	uint32_t error_action;
};

struct diag_mode_test {
	uint32_t command;
};

struct diag_status {
	uint32_t mbox_status;
	uint32_t shdr_status;
	uint32_t shdr_add_status;
};

#define LPFC_WWNN_TYPE		0
#define LPFC_WWPN_TYPE		1

struct get_mgmt_rev {
	uint32_t command;
};

#define MANAGEMENT_MAJOR_REV   1
#define MANAGEMENT_MINOR_REV   1

/* the MgmtRevInfo structure */
struct MgmtRevInfo {
	uint32_t a_Major;
	uint32_t a_Minor;
};

struct get_mgmt_rev_reply {
	struct MgmtRevInfo info;
};

#define BSG_MBOX_SIZE 4096 /* mailbox command plus extended data */

/* BSG mailbox request header */
struct dfc_mbox_req {
	uint32_t command;
	uint32_t mbOffset;
	uint32_t inExtWLen;
	uint32_t outExtWLen;
	uint32_t extMboxTag;
	uint32_t extSeqNum;
};

/* Used for menlo command or menlo data. The xri is only used for menlo data */
struct menlo_command {
	uint32_t cmd;
	uint32_t xri;
};

struct menlo_response {
	uint32_t xri; /* return the xri of the iocb exchange */
};

/*
 * macros and data structures for handling sli-config mailbox command
 * pass-through support, this header file is shared between user and
 * kernel spaces, note the set of macros are duplicates from lpfc_hw4.h,
 * with macro names prefixed with bsg_, as the macros defined in
 * lpfc_hw4.h are not accessible from user space.
 */

/* Macros to deal with bit fields. Each bit field must have 3 #defines
 * associated with it (_SHIFT, _MASK, and _WORD).
 * EG. For a bit field that is in the 7th bit of the "field4" field of a
 * structure and is 2 bits in size the following #defines must exist:
 *      struct temp {
 *              uint32_t        field1;
 *              uint32_t        field2;
 *              uint32_t        field3;
 *              uint32_t        field4;
 *      #define example_bit_field_SHIFT         7
 *      #define example_bit_field_MASK          0x03
 *      #define example_bit_field_WORD          field4
 *              uint32_t        field5;
 *      };
 * Then the macros below may be used to get or set the value of that field.
 * EG. To get the value of the bit field from the above example:
 *      struct temp t1;
 *      value = bsg_bf_get(example_bit_field, &t1);
 * And then to set that bit field:
 *      bsg_bf_set(example_bit_field, &t1, 2);
 * Or clear that bit field:
 *      bsg_bf_set(example_bit_field, &t1, 0);
 */
#define bsg_bf_get_le32(name, ptr) \
	((le32_to_cpu((ptr)->name##_WORD) >> name##_SHIFT) & name##_MASK)
#define bsg_bf_get(name, ptr) \
	(((ptr)->name##_WORD >> name##_SHIFT) & name##_MASK)
#define bsg_bf_set_le32(name, ptr, value) \
	((ptr)->name##_WORD = cpu_to_le32(((((value) & \
	name##_MASK) << name##_SHIFT) | (le32_to_cpu((ptr)->name##_WORD) & \
	~(name##_MASK << name##_SHIFT)))))
#define bsg_bf_set(name, ptr, value) \
	((ptr)->name##_WORD = ((((value) & name##_MASK) << name##_SHIFT) | \
	((ptr)->name##_WORD & ~(name##_MASK << name##_SHIFT))))

/*
 * The sli_config structure specified here is based on the following
 * restriction:
 *
 * -- SLI_CONFIG EMB=0, carrying MSEs, will carry subcommands without
 *    carrying HBD.
 * -- SLI_CONFIG EMB=1, not carrying MSE, will carry subcommands with or
 *    without carrying HBDs.
 */

struct lpfc_sli_config_mse {
	uint32_t pa_lo;
	uint32_t pa_hi;
	uint32_t buf_len;
#define lpfc_mbox_sli_config_mse_len_SHIFT	0
#define lpfc_mbox_sli_config_mse_len_MASK	0xffffff
#define lpfc_mbox_sli_config_mse_len_WORD	buf_len
};

struct lpfc_sli_config_hbd {
	uint32_t buf_len;
#define lpfc_mbox_sli_config_ecmn_hbd_len_SHIFT	0
#define lpfc_mbox_sli_config_ecmn_hbd_len_MASK	0xffffff
#define lpfc_mbox_sli_config_ecmn_hbd_len_WORD	buf_len
	uint32_t pa_lo;
	uint32_t pa_hi;
};

struct lpfc_sli_config_hdr {
	uint32_t word1;
#define lpfc_mbox_hdr_emb_SHIFT		0
#define lpfc_mbox_hdr_emb_MASK		0x00000001
#define lpfc_mbox_hdr_emb_WORD		word1
#define lpfc_mbox_hdr_mse_cnt_SHIFT	3
#define lpfc_mbox_hdr_mse_cnt_MASK	0x0000001f
#define lpfc_mbox_hdr_mse_cnt_WORD	word1
	uint32_t payload_length;
	uint32_t tag_lo;
	uint32_t tag_hi;
	uint32_t reserved5;
};

struct lpfc_sli_config_emb0_subsys {
	struct lpfc_sli_config_hdr	sli_config_hdr;
#define LPFC_MBX_SLI_CONFIG_MAX_MSE     19
	struct lpfc_sli_config_mse	mse[LPFC_MBX_SLI_CONFIG_MAX_MSE];
	uint32_t padding;
	uint32_t word64;
#define lpfc_emb0_subcmnd_opcode_SHIFT	0
#define lpfc_emb0_subcmnd_opcode_MASK	0xff
#define lpfc_emb0_subcmnd_opcode_WORD	word64
#define lpfc_emb0_subcmnd_subsys_SHIFT	8
#define lpfc_emb0_subcmnd_subsys_MASK	0xff
#define lpfc_emb0_subcmnd_subsys_WORD	word64
/* Subsystem FCOE (0x0C) OpCodes */
#define SLI_CONFIG_SUBSYS_FCOE		0x0C
#define FCOE_OPCODE_READ_FCF		0x08
#define FCOE_OPCODE_ADD_FCF		0x09
#define FCOE_OPCODE_SET_DPORT_MODE	0x27
#define FCOE_OPCODE_GET_DPORT_RESULTS	0x28
};

struct lpfc_sli_config_emb1_subsys {
	struct lpfc_sli_config_hdr	sli_config_hdr;
	uint32_t word6;
#define lpfc_emb1_subcmnd_opcode_SHIFT	0
#define lpfc_emb1_subcmnd_opcode_MASK	0xff
#define lpfc_emb1_subcmnd_opcode_WORD	word6
#define lpfc_emb1_subcmnd_subsys_SHIFT	8
#define lpfc_emb1_subcmnd_subsys_MASK	0xff
#define lpfc_emb1_subcmnd_subsys_WORD	word6
/* Subsystem COMN (0x01) OpCodes */
#define SLI_CONFIG_SUBSYS_COMN		0x01
#define COMN_OPCODE_GET_PROFILE_CONFIG	0xA4
#define COMN_OPCODE_READ_OBJECT		0xAB
#define COMN_OPCODE_WRITE_OBJECT	0xAC
#define COMN_OPCODE_READ_OBJECT_LIST	0xAD
#define COMN_OPCODE_DELETE_OBJECT	0xAE
#define COMN_OPCODE_GET_CNTL_ADDL_ATTRIBUTES	0x79
#define COMN_OPCODE_GET_CNTL_ATTRIBUTES	0x20
	uint32_t timeout;
	uint32_t request_length;
	uint32_t word9;
#define lpfc_subcmnd_version_SHIFT	0
#define lpfc_subcmnd_version_MASK	0xff
#define lpfc_subcmnd_version_WORD	word9
	uint32_t word10;
#define lpfc_subcmnd_ask_rd_len_SHIFT	0
#define lpfc_subcmnd_ask_rd_len_MASK	0xffffff
#define lpfc_subcmnd_ask_rd_len_WORD	word10
	uint32_t rd_offset;
	uint32_t obj_name[26];
	uint32_t hbd_count;
#define LPFC_MBX_SLI_CONFIG_MAX_HBD	8
	struct lpfc_sli_config_hbd	hbd[LPFC_MBX_SLI_CONFIG_MAX_HBD];
};

struct lpfc_sli_config_mbox {
	uint32_t word0;
#define lpfc_mqe_status_SHIFT		16
#define lpfc_mqe_status_MASK		0x0000FFFF
#define lpfc_mqe_status_WORD		word0
#define lpfc_mqe_command_SHIFT		8
#define lpfc_mqe_command_MASK		0x000000FF
#define lpfc_mqe_command_WORD		word0
	union {
		struct lpfc_sli_config_emb0_subsys sli_config_emb0_subsys;
		struct lpfc_sli_config_emb1_subsys sli_config_emb1_subsys;
	} un;
};

#define LPFC_FORCED_LINK_SPEED_NOT_SUPPORTED	0
#define LPFC_FORCED_LINK_SPEED_SUPPORTED	1
struct get_forced_link_speed_support {
	uint32_t command;
};
struct forced_link_speed_support_reply {
	uint8_t supported;
};

/* driver only */
#define SLI_CONFIG_NOT_HANDLED		0
#define SLI_CONFIG_HANDLED		1