xref: /openbmc/linux/drivers/scsi/lpfc/lpfc_bsg.h (revision 7419995a)
1 /*******************************************************************
2  * This file is part of the Emulex Linux Device Driver for         *
3  * Fibre Channel Host Bus Adapters.                                *
4  * Copyright (C) 2017-2021 Broadcom. All Rights Reserved. The term *
5  * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries.     *
6  * Copyright (C) 2010-2015 Emulex.  All rights reserved.           *
7  * EMULEX and SLI are trademarks of Emulex.                        *
8  * www.broadcom.com                                                *
9  *                                                                 *
10  * This program is free software; you can redistribute it and/or   *
11  * modify it under the terms of version 2 of the GNU General       *
12  * Public License as published by the Free Software Foundation.    *
13  * This program is distributed in the hope that it will be useful. *
14  * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
15  * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
16  * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
17  * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
18  * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
19  * more details, a copy of which can be found in the file COPYING  *
20  * included with this package.                                     *
21  *******************************************************************/
22 /* bsg definitions
23  * No pointers to user data are allowed, all application buffers and sizes will
24  * derived through the bsg interface.
25  *
26  * These are the vendor unique structures passed in using the bsg
27  * FC_BSG_HST_VENDOR message code type.
28  */
29 #define LPFC_BSG_VENDOR_SET_CT_EVENT		1
30 #define LPFC_BSG_VENDOR_GET_CT_EVENT		2
31 #define LPFC_BSG_VENDOR_SEND_MGMT_RESP		3
32 #define LPFC_BSG_VENDOR_DIAG_MODE		4
33 #define LPFC_BSG_VENDOR_DIAG_RUN_LOOPBACK	5
34 #define LPFC_BSG_VENDOR_GET_MGMT_REV		6
35 #define LPFC_BSG_VENDOR_MBOX			7
36 #define LPFC_BSG_VENDOR_MENLO_CMD		8
37 #define LPFC_BSG_VENDOR_MENLO_DATA		9
38 #define LPFC_BSG_VENDOR_DIAG_MODE_END		10
39 #define LPFC_BSG_VENDOR_LINK_DIAG_TEST		11
40 #define LPFC_BSG_VENDOR_FORCED_LINK_SPEED	14
41 #define LPFC_BSG_VENDOR_RAS_GET_LWPD		16
42 #define LPFC_BSG_VENDOR_RAS_GET_FWLOG		17
43 #define LPFC_BSG_VENDOR_RAS_GET_CONFIG		18
44 #define LPFC_BSG_VENDOR_RAS_SET_CONFIG		19
45 #define LPFC_BSG_VENDOR_GET_TRUNK_INFO		20
46 #define LPFC_BSG_VENDOR_GET_CGNBUF_INFO		21
47 
48 struct set_ct_event {
49 	uint32_t command;
50 	uint32_t type_mask;
51 	uint32_t ev_req_id;
52 	uint32_t ev_reg_id;
53 };
54 
55 struct get_ct_event {
56 	uint32_t command;
57 	uint32_t ev_reg_id;
58 	uint32_t ev_req_id;
59 };
60 
61 struct get_ct_event_reply {
62 	uint32_t immed_data;
63 	uint32_t type;
64 };
65 
66 struct send_mgmt_resp {
67 	uint32_t command;
68 	uint32_t tag;
69 };
70 
71 
72 #define DISABLE_LOOP_BACK  0x0 /* disables loop back */
73 #define INTERNAL_LOOP_BACK 0x1 /* adapter short cuts the loop internally */
74 #define EXTERNAL_LOOP_BACK 0x2 /* requires an external loopback plug */
75 
76 struct diag_mode_set {
77 	uint32_t command;
78 	uint32_t type;
79 	uint32_t timeout;
80 	uint32_t physical_link;
81 };
82 
83 struct sli4_link_diag {
84 	uint32_t command;
85 	uint32_t timeout;
86 	uint32_t test_id;
87 	uint32_t loops;
88 	uint32_t test_version;
89 	uint32_t error_action;
90 };
91 
92 struct diag_mode_test {
93 	uint32_t command;
94 };
95 
96 struct diag_status {
97 	uint32_t mbox_status;
98 	uint32_t shdr_status;
99 	uint32_t shdr_add_status;
100 };
101 
102 #define LPFC_WWNN_TYPE		0
103 #define LPFC_WWPN_TYPE		1
104 
105 struct get_mgmt_rev {
106 	uint32_t command;
107 };
108 
109 #define MANAGEMENT_MAJOR_REV   1
110 #define MANAGEMENT_MINOR_REV   1
111 
112 /* the MgmtRevInfo structure */
113 struct MgmtRevInfo {
114 	uint32_t a_Major;
115 	uint32_t a_Minor;
116 };
117 
118 struct get_mgmt_rev_reply {
119 	struct MgmtRevInfo info;
120 };
121 
122 #define BSG_MBOX_SIZE 4096 /* mailbox command plus extended data */
123 
124 /* BSG mailbox request header */
125 struct dfc_mbox_req {
126 	uint32_t command;
127 	uint32_t mbOffset;
128 	uint32_t inExtWLen;
129 	uint32_t outExtWLen;
130 	uint32_t extMboxTag;
131 	uint32_t extSeqNum;
132 };
133 
134 /* Used for menlo command or menlo data. The xri is only used for menlo data */
135 struct menlo_command {
136 	uint32_t cmd;
137 	uint32_t xri;
138 };
139 
140 struct menlo_response {
141 	uint32_t xri; /* return the xri of the iocb exchange */
142 };
143 
144 /*
145  * macros and data structures for handling sli-config mailbox command
146  * pass-through support, this header file is shared between user and
147  * kernel spaces, note the set of macros are duplicates from lpfc_hw4.h,
148  * with macro names prefixed with bsg_, as the macros defined in
149  * lpfc_hw4.h are not accessible from user space.
150  */
151 
152 /* Macros to deal with bit fields. Each bit field must have 3 #defines
153  * associated with it (_SHIFT, _MASK, and _WORD).
154  * EG. For a bit field that is in the 7th bit of the "field4" field of a
155  * structure and is 2 bits in size the following #defines must exist:
156  *      struct temp {
157  *              uint32_t        field1;
158  *              uint32_t        field2;
159  *              uint32_t        field3;
160  *              uint32_t        field4;
161  *      #define example_bit_field_SHIFT         7
162  *      #define example_bit_field_MASK          0x03
163  *      #define example_bit_field_WORD          field4
164  *              uint32_t        field5;
165  *      };
166  * Then the macros below may be used to get or set the value of that field.
167  * EG. To get the value of the bit field from the above example:
168  *      struct temp t1;
169  *      value = bsg_bf_get(example_bit_field, &t1);
170  * And then to set that bit field:
171  *      bsg_bf_set(example_bit_field, &t1, 2);
172  * Or clear that bit field:
173  *      bsg_bf_set(example_bit_field, &t1, 0);
174  */
175 #define bsg_bf_get_le32(name, ptr) \
176 	((le32_to_cpu((ptr)->name##_WORD) >> name##_SHIFT) & name##_MASK)
177 #define bsg_bf_get(name, ptr) \
178 	(((ptr)->name##_WORD >> name##_SHIFT) & name##_MASK)
179 #define bsg_bf_set_le32(name, ptr, value) \
180 	((ptr)->name##_WORD = cpu_to_le32(((((value) & \
181 	name##_MASK) << name##_SHIFT) | (le32_to_cpu((ptr)->name##_WORD) & \
182 	~(name##_MASK << name##_SHIFT)))))
183 #define bsg_bf_set(name, ptr, value) \
184 	((ptr)->name##_WORD = ((((value) & name##_MASK) << name##_SHIFT) | \
185 	((ptr)->name##_WORD & ~(name##_MASK << name##_SHIFT))))
186 
187 /*
188  * The sli_config structure specified here is based on the following
189  * restriction:
190  *
191  * -- SLI_CONFIG EMB=0, carrying MSEs, will carry subcommands without
192  *    carrying HBD.
193  * -- SLI_CONFIG EMB=1, not carrying MSE, will carry subcommands with or
194  *    without carrying HBDs.
195  */
196 
197 struct lpfc_sli_config_mse {
198 	uint32_t pa_lo;
199 	uint32_t pa_hi;
200 	uint32_t buf_len;
201 #define lpfc_mbox_sli_config_mse_len_SHIFT	0
202 #define lpfc_mbox_sli_config_mse_len_MASK	0xffffff
203 #define lpfc_mbox_sli_config_mse_len_WORD	buf_len
204 };
205 
206 struct lpfc_sli_config_hbd {
207 	uint32_t buf_len;
208 #define lpfc_mbox_sli_config_ecmn_hbd_len_SHIFT	0
209 #define lpfc_mbox_sli_config_ecmn_hbd_len_MASK	0xffffff
210 #define lpfc_mbox_sli_config_ecmn_hbd_len_WORD	buf_len
211 	uint32_t pa_lo;
212 	uint32_t pa_hi;
213 };
214 
215 struct lpfc_sli_config_hdr {
216 	uint32_t word1;
217 #define lpfc_mbox_hdr_emb_SHIFT		0
218 #define lpfc_mbox_hdr_emb_MASK		0x00000001
219 #define lpfc_mbox_hdr_emb_WORD		word1
220 #define lpfc_mbox_hdr_mse_cnt_SHIFT	3
221 #define lpfc_mbox_hdr_mse_cnt_MASK	0x0000001f
222 #define lpfc_mbox_hdr_mse_cnt_WORD	word1
223 	uint32_t payload_length;
224 	uint32_t tag_lo;
225 	uint32_t tag_hi;
226 	uint32_t reserved5;
227 };
228 
229 #define LPFC_CSF_BOOT_DEV		0x1D
230 #define LPFC_CSF_QUERY			0
231 #define LPFC_CSF_SAVE			1
232 
233 struct lpfc_sli_config_emb0_subsys {
234 	struct lpfc_sli_config_hdr	sli_config_hdr;
235 #define LPFC_MBX_SLI_CONFIG_MAX_MSE     19
236 	struct lpfc_sli_config_mse	mse[LPFC_MBX_SLI_CONFIG_MAX_MSE];
237 	uint32_t padding;
238 	uint32_t word64;
239 #define lpfc_emb0_subcmnd_opcode_SHIFT	0
240 #define lpfc_emb0_subcmnd_opcode_MASK	0xff
241 #define lpfc_emb0_subcmnd_opcode_WORD	word64
242 #define lpfc_emb0_subcmnd_subsys_SHIFT	8
243 #define lpfc_emb0_subcmnd_subsys_MASK	0xff
244 #define lpfc_emb0_subcmnd_subsys_WORD	word64
245 /* Subsystem FCOE (0x0C) OpCodes */
246 #define SLI_CONFIG_SUBSYS_FCOE		0x0C
247 #define FCOE_OPCODE_READ_FCF		0x08
248 #define FCOE_OPCODE_ADD_FCF		0x09
249 #define FCOE_OPCODE_SET_DPORT_MODE	0x27
250 #define FCOE_OPCODE_GET_DPORT_RESULTS	0x28
251 	uint32_t timeout;		/* comn_set_feature timeout */
252 	uint32_t request_length;	/* comn_set_feature request len */
253 	uint32_t version;		/* comn_set_feature version */
254 	uint32_t csf_feature;		/* comn_set_feature feature */
255 	uint32_t word69;		/* comn_set_feature parameter len */
256 	uint32_t word70;		/* comn_set_feature parameter val0 */
257 #define lpfc_emb0_subcmnd_csf_p0_SHIFT	0
258 #define lpfc_emb0_subcmnd_csf_p0_MASK	0x3
259 #define lpfc_emb0_subcmnd_csf_p0_WORD	word70
260 };
261 
262 struct lpfc_sli_config_emb1_subsys {
263 	struct lpfc_sli_config_hdr	sli_config_hdr;
264 	uint32_t word6;
265 #define lpfc_emb1_subcmnd_opcode_SHIFT	0
266 #define lpfc_emb1_subcmnd_opcode_MASK	0xff
267 #define lpfc_emb1_subcmnd_opcode_WORD	word6
268 #define lpfc_emb1_subcmnd_subsys_SHIFT	8
269 #define lpfc_emb1_subcmnd_subsys_MASK	0xff
270 #define lpfc_emb1_subcmnd_subsys_WORD	word6
271 /* Subsystem COMN (0x01) OpCodes */
272 #define SLI_CONFIG_SUBSYS_COMN		0x01
273 #define COMN_OPCODE_GET_PROFILE_CONFIG	0xA4
274 #define COMN_OPCODE_READ_OBJECT		0xAB
275 #define COMN_OPCODE_WRITE_OBJECT	0xAC
276 #define COMN_OPCODE_READ_OBJECT_LIST	0xAD
277 #define COMN_OPCODE_DELETE_OBJECT	0xAE
278 #define COMN_OPCODE_SET_FEATURES	0xBF
279 #define COMN_OPCODE_GET_CNTL_ADDL_ATTRIBUTES	0x79
280 #define COMN_OPCODE_GET_CNTL_ATTRIBUTES	0x20
281 	uint32_t timeout;
282 	uint32_t request_length;
283 	uint32_t word9;
284 #define lpfc_subcmnd_version_SHIFT	0
285 #define lpfc_subcmnd_version_MASK	0xff
286 #define lpfc_subcmnd_version_WORD	word9
287 	uint32_t word10;
288 #define lpfc_subcmnd_ask_rd_len_SHIFT	0
289 #define lpfc_subcmnd_ask_rd_len_MASK	0xffffff
290 #define lpfc_subcmnd_ask_rd_len_WORD	word10
291 	uint32_t rd_offset;
292 	uint32_t obj_name[26];
293 	uint32_t hbd_count;
294 #define LPFC_MBX_SLI_CONFIG_MAX_HBD	8
295 	struct lpfc_sli_config_hbd	hbd[LPFC_MBX_SLI_CONFIG_MAX_HBD];
296 };
297 
298 struct lpfc_sli_config_mbox {
299 	uint32_t word0;
300 #define lpfc_mqe_status_SHIFT		16
301 #define lpfc_mqe_status_MASK		0x0000FFFF
302 #define lpfc_mqe_status_WORD		word0
303 #define lpfc_mqe_command_SHIFT		8
304 #define lpfc_mqe_command_MASK		0x000000FF
305 #define lpfc_mqe_command_WORD		word0
306 	union {
307 		struct lpfc_sli_config_emb0_subsys sli_config_emb0_subsys;
308 		struct lpfc_sli_config_emb1_subsys sli_config_emb1_subsys;
309 	} un;
310 };
311 
312 #define LPFC_FORCED_LINK_SPEED_NOT_SUPPORTED	0
313 #define LPFC_FORCED_LINK_SPEED_SUPPORTED	1
314 struct get_forced_link_speed_support {
315 	uint32_t command;
316 };
317 struct forced_link_speed_support_reply {
318 	uint8_t supported;
319 };
320 
321 struct lpfc_bsg_ras_req {
322 	uint32_t command;
323 };
324 
325 struct lpfc_bsg_get_fwlog_req {
326 	uint32_t command;
327 	uint32_t read_size;
328 	uint32_t read_offset;
329 };
330 
331 struct lpfc_bsg_get_ras_lwpd {
332 	uint32_t offset;
333 	uint32_t wrap_count;
334 };
335 
336 struct lpfc_bsg_set_ras_config_req {
337 	uint32_t command;
338 	uint8_t action;
339 #define LPFC_RASACTION_STOP_LOGGING     0x00
340 #define LPFC_RASACTION_START_LOGGING    0x01
341 	uint8_t log_level;
342 };
343 
344 struct lpfc_bsg_get_ras_config_reply {
345 	uint8_t state;
346 #define LPFC_RASLOG_STATE_STOPPED 0x00
347 #define LPFC_RASLOG_STATE_RUNNING 0x01
348 	uint8_t log_level;
349 	uint32_t log_buff_sz;
350 };
351 
352 struct lpfc_trunk_info {
353 	uint32_t word0;
354 #define lpfc_trunk_info_link_status_SHIFT      0
355 #define lpfc_trunk_info_link_status_MASK       1
356 #define lpfc_trunk_info_link_status_WORD       word0
357 #define lpfc_trunk_info_trunk_active0_SHIFT    8
358 #define lpfc_trunk_info_trunk_active0_MASK     1
359 #define lpfc_trunk_info_trunk_active0_WORD     word0
360 #define lpfc_trunk_info_trunk_active1_SHIFT    9
361 #define lpfc_trunk_info_trunk_active1_MASK     1
362 #define lpfc_trunk_info_trunk_active1_WORD     word0
363 #define lpfc_trunk_info_trunk_active2_SHIFT    10
364 #define lpfc_trunk_info_trunk_active2_MASK     1
365 #define lpfc_trunk_info_trunk_active2_WORD     word0
366 #define lpfc_trunk_info_trunk_active3_SHIFT    11
367 #define lpfc_trunk_info_trunk_active3_MASK     1
368 #define lpfc_trunk_info_trunk_active3_WORD     word0
369 #define lpfc_trunk_info_trunk_config0_SHIFT    12
370 #define lpfc_trunk_info_trunk_config0_MASK     1
371 #define lpfc_trunk_info_trunk_config0_WORD     word0
372 #define lpfc_trunk_info_trunk_config1_SHIFT    13
373 #define lpfc_trunk_info_trunk_config1_MASK     1
374 #define lpfc_trunk_info_trunk_config1_WORD     word0
375 #define lpfc_trunk_info_trunk_config2_SHIFT    14
376 #define lpfc_trunk_info_trunk_config2_MASK     1
377 #define lpfc_trunk_info_trunk_config2_WORD     word0
378 #define lpfc_trunk_info_trunk_config3_SHIFT    15
379 #define lpfc_trunk_info_trunk_config3_MASK     1
380 #define lpfc_trunk_info_trunk_config3_WORD     word0
381 	uint16_t    port_speed;
382 	uint16_t    logical_speed;
383 	uint32_t    reserved3;
384 };
385 
386 struct get_trunk_info_req {
387 	uint32_t command;
388 };
389 
390 struct get_cgnbuf_info_req {
391 	uint32_t command;
392 	uint32_t read_size;
393 	uint32_t reset;
394 #define LPFC_BSG_CGN_RESET_STAT		1
395 };
396 
397 /* driver only */
398 #define SLI_CONFIG_NOT_HANDLED		0
399 #define SLI_CONFIG_HANDLED		1
400