Commit | Line | Data |
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1a59d1b8 | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
072b91f9 BK |
2 | /* |
3 | * ibmvfc.h -- driver for IBM Power Virtual Fibre Channel Adapter | |
4 | * | |
5 | * Written By: Brian King <brking@linux.vnet.ibm.com>, IBM Corporation | |
6 | * | |
7 | * Copyright (C) IBM Corporation, 2008 | |
072b91f9 BK |
8 | */ |
9 | ||
10 | #ifndef _IBMVFC_H | |
11 | #define _IBMVFC_H | |
12 | ||
13 | #include <linux/list.h> | |
14 | #include <linux/types.h> | |
88a678bb | 15 | #include <scsi/viosrp.h> |
072b91f9 BK |
16 | |
17 | #define IBMVFC_NAME "ibmvfc" | |
88346787 BK |
18 | #define IBMVFC_DRIVER_VERSION "1.0.11" |
19 | #define IBMVFC_DRIVER_DATE "(April 12, 2013)" | |
072b91f9 | 20 | |
14ae6fac | 21 | #define IBMVFC_DEFAULT_TIMEOUT 60 |
10501e1c BK |
22 | #define IBMVFC_ADISC_CANCEL_TIMEOUT 45 |
23 | #define IBMVFC_ADISC_TIMEOUT 15 | |
24 | #define IBMVFC_ADISC_PLUS_CANCEL_TIMEOUT \ | |
25 | (IBMVFC_ADISC_TIMEOUT + IBMVFC_ADISC_CANCEL_TIMEOUT) | |
d2131b33 | 26 | #define IBMVFC_INIT_TIMEOUT 120 |
d2fab5cf | 27 | #define IBMVFC_ABORT_TIMEOUT 8 |
daa142d1 | 28 | #define IBMVFC_ABORT_WAIT_TIMEOUT 40 |
072b91f9 | 29 | #define IBMVFC_MAX_REQUESTS_DEFAULT 100 |
e1a4e0d3 | 30 | #define IBMVFC_SCSI_QDEPTH 128 |
072b91f9 BK |
31 | |
32 | #define IBMVFC_DEBUG 0 | |
33 | #define IBMVFC_MAX_TARGETS 1024 | |
34 | #define IBMVFC_MAX_LUN 0xffffffff | |
35 | #define IBMVFC_MAX_SECTORS 0xffffu | |
36 | #define IBMVFC_MAX_DISC_THREADS 4 | |
37 | #define IBMVFC_TGT_MEMPOOL_SZ 64 | |
38 | #define IBMVFC_MAX_CMDS_PER_LUN 64 | |
1c41fa82 BK |
39 | #define IBMVFC_MAX_HOST_INIT_RETRIES 6 |
40 | #define IBMVFC_MAX_TGT_INIT_RETRIES 3 | |
072b91f9 BK |
41 | #define IBMVFC_DEV_LOSS_TMO (5 * 60) |
42 | #define IBMVFC_DEFAULT_LOG_LEVEL 2 | |
43 | #define IBMVFC_MAX_CDB_LEN 16 | |
a6104b1e | 44 | #define IBMVFC_CLS3_ERROR 0 |
9000cb99 TD |
45 | #define IBMVFC_MQ 1 |
46 | #define IBMVFC_SCSI_CHANNELS 8 | |
032d1900 | 47 | #define IBMVFC_MAX_SCSI_QUEUES 16 |
9000cb99 | 48 | #define IBMVFC_SCSI_HW_QUEUES 8 |
6ae208e5 TD |
49 | #define IBMVFC_MIG_NO_SUB_TO_CRQ 0 |
50 | #define IBMVFC_MIG_NO_N_TO_M 0 | |
072b91f9 BK |
51 | |
52 | /* | |
53 | * Ensure we have resources for ERP and initialization: | |
54 | * 1 for ERP | |
55 | * 1 for initialization | |
79111d08 | 56 | * 1 for NPIV Logout |
d31429e1 | 57 | * 2 for BSG passthru |
10501e1c | 58 | * 2 for each discovery thread |
072b91f9 | 59 | */ |
d31429e1 | 60 | #define IBMVFC_NUM_INTERNAL_REQ (1 + 1 + 1 + 2 + (disc_threads * 2)) |
e1a4e0d3 TD |
61 | /* Reserved suset of events for cancelling channelized IO commands */ |
62 | #define IBMVFC_NUM_INTERNAL_SUBQ_REQ 4 | |
072b91f9 BK |
63 | |
64 | #define IBMVFC_MAD_SUCCESS 0x00 | |
65 | #define IBMVFC_MAD_NOT_SUPPORTED 0xF1 | |
c16b8a6d | 66 | #define IBMVFC_MAD_VERSION_NOT_SUPP 0xF2 |
072b91f9 BK |
67 | #define IBMVFC_MAD_FAILED 0xF7 |
68 | #define IBMVFC_MAD_DRIVER_FAILED 0xEE | |
69 | #define IBMVFC_MAD_CRQ_ERROR 0xEF | |
70 | ||
71 | enum ibmvfc_crq_valid { | |
72 | IBMVFC_CRQ_CMD_RSP = 0x80, | |
73 | IBMVFC_CRQ_INIT_RSP = 0xC0, | |
74 | IBMVFC_CRQ_XPORT_EVENT = 0xFF, | |
75 | }; | |
76 | ||
d6e2635b | 77 | enum ibmvfc_crq_init_msg { |
072b91f9 BK |
78 | IBMVFC_CRQ_INIT = 0x01, |
79 | IBMVFC_CRQ_INIT_COMPLETE = 0x02, | |
d6e2635b TD |
80 | }; |
81 | ||
82 | enum ibmvfc_crq_xport_evts { | |
83 | IBMVFC_PARTNER_FAILED = 0x01, | |
84 | IBMVFC_PARTNER_DEREGISTER = 0x02, | |
072b91f9 BK |
85 | IBMVFC_PARTITION_MIGRATED = 0x06, |
86 | }; | |
87 | ||
88 | enum ibmvfc_cmd_status_flags { | |
89 | IBMVFC_FABRIC_MAPPED = 0x0001, | |
90 | IBMVFC_VIOS_FAILURE = 0x0002, | |
91 | IBMVFC_FC_FAILURE = 0x0004, | |
92 | IBMVFC_FC_SCSI_ERROR = 0x0008, | |
93 | IBMVFC_HW_EVENT_LOGGED = 0x0010, | |
94 | IBMVFC_VIOS_LOGGED = 0x0020, | |
95 | }; | |
96 | ||
97 | enum ibmvfc_fabric_mapped_errors { | |
98 | IBMVFC_UNABLE_TO_ESTABLISH = 0x0001, | |
99 | IBMVFC_XPORT_FAULT = 0x0002, | |
100 | IBMVFC_CMD_TIMEOUT = 0x0003, | |
101 | IBMVFC_ENETDOWN = 0x0004, | |
102 | IBMVFC_HW_FAILURE = 0x0005, | |
103 | IBMVFC_LINK_DOWN_ERR = 0x0006, | |
104 | IBMVFC_LINK_DEAD_ERR = 0x0007, | |
105 | IBMVFC_UNABLE_TO_REGISTER = 0x0008, | |
106 | IBMVFC_XPORT_BUSY = 0x000A, | |
107 | IBMVFC_XPORT_DEAD = 0x000B, | |
108 | IBMVFC_CONFIG_ERROR = 0x000C, | |
109 | IBMVFC_NAME_SERVER_FAIL = 0x000D, | |
110 | IBMVFC_LINK_HALTED = 0x000E, | |
111 | IBMVFC_XPORT_GENERAL = 0x8000, | |
112 | }; | |
113 | ||
114 | enum ibmvfc_vios_errors { | |
115 | IBMVFC_CRQ_FAILURE = 0x0001, | |
116 | IBMVFC_SW_FAILURE = 0x0002, | |
117 | IBMVFC_INVALID_PARAMETER = 0x0003, | |
118 | IBMVFC_MISSING_PARAMETER = 0x0004, | |
119 | IBMVFC_HOST_IO_BUS = 0x0005, | |
120 | IBMVFC_TRANS_CANCELLED = 0x0006, | |
121 | IBMVFC_TRANS_CANCELLED_IMPLICIT = 0x0007, | |
122 | IBMVFC_INSUFFICIENT_RESOURCE = 0x0008, | |
646d3857 | 123 | IBMVFC_PLOGI_REQUIRED = 0x0010, |
072b91f9 BK |
124 | IBMVFC_COMMAND_FAILED = 0x8000, |
125 | }; | |
126 | ||
127 | enum ibmvfc_mad_types { | |
128 | IBMVFC_NPIV_LOGIN = 0x0001, | |
129 | IBMVFC_DISC_TARGETS = 0x0002, | |
130 | IBMVFC_PORT_LOGIN = 0x0004, | |
131 | IBMVFC_PROCESS_LOGIN = 0x0008, | |
132 | IBMVFC_QUERY_TARGET = 0x0010, | |
4b29cb61 | 133 | IBMVFC_MOVE_LOGIN = 0x0020, |
072b91f9 | 134 | IBMVFC_IMPLICIT_LOGOUT = 0x0040, |
989b8545 | 135 | IBMVFC_PASSTHRU = 0x0200, |
072b91f9 | 136 | IBMVFC_TMF_MAD = 0x0100, |
79111d08 | 137 | IBMVFC_NPIV_LOGOUT = 0x0800, |
df4d7329 TD |
138 | IBMVFC_CHANNEL_ENQUIRY = 0x1000, |
139 | IBMVFC_CHANNEL_SETUP = 0x2000, | |
140 | IBMVFC_CONNECTION_INFO = 0x4000, | |
072b91f9 BK |
141 | }; |
142 | ||
143 | struct ibmvfc_mad_common { | |
0aab6c3f TD |
144 | __be32 version; |
145 | __be32 reserved; | |
146 | __be32 opcode; | |
147 | __be16 status; | |
148 | __be16 length; | |
149 | __be64 tag; | |
802c60e3 | 150 | } __packed __aligned(8); |
072b91f9 BK |
151 | |
152 | struct ibmvfc_npiv_login_mad { | |
153 | struct ibmvfc_mad_common common; | |
154 | struct srp_direct_buf buffer; | |
802c60e3 | 155 | } __packed __aligned(8); |
072b91f9 | 156 | |
79111d08 BK |
157 | struct ibmvfc_npiv_logout_mad { |
158 | struct ibmvfc_mad_common common; | |
802c60e3 | 159 | } __packed __aligned(8); |
79111d08 | 160 | |
072b91f9 BK |
161 | #define IBMVFC_MAX_NAME 256 |
162 | ||
163 | struct ibmvfc_npiv_login { | |
0aab6c3f | 164 | __be32 ostype; |
072b91f9 | 165 | #define IBMVFC_OS_LINUX 0x02 |
0aab6c3f TD |
166 | __be32 pad; |
167 | __be64 max_dma_len; | |
168 | __be32 max_payload; | |
169 | __be32 max_response; | |
170 | __be32 partition_num; | |
171 | __be32 vfc_frame_version; | |
172 | __be16 fcp_version; | |
173 | __be16 flags; | |
072b91f9 BK |
174 | #define IBMVFC_CLIENT_MIGRATED 0x01 |
175 | #define IBMVFC_FLUSH_ON_HALT 0x02 | |
0aab6c3f TD |
176 | __be32 max_cmds; |
177 | __be64 capabilities; | |
072b91f9 | 178 | #define IBMVFC_CAN_MIGRATE 0x01 |
df4d7329 TD |
179 | #define IBMVFC_CAN_USE_CHANNELS 0x02 |
180 | #define IBMVFC_CAN_HANDLE_FPIN 0x04 | |
c16b8a6d TD |
181 | #define IBMVFC_CAN_USE_MAD_VERSION 0x08 |
182 | #define IBMVFC_CAN_SEND_VF_WWPN 0x10 | |
0aab6c3f | 183 | __be64 node_name; |
072b91f9 BK |
184 | struct srp_direct_buf async; |
185 | u8 partition_name[IBMVFC_MAX_NAME]; | |
186 | u8 device_name[IBMVFC_MAX_NAME]; | |
187 | u8 drc_name[IBMVFC_MAX_NAME]; | |
0aab6c3f | 188 | __be64 reserved2[2]; |
802c60e3 | 189 | } __packed __aligned(8); |
072b91f9 BK |
190 | |
191 | struct ibmvfc_common_svc_parms { | |
0aab6c3f TD |
192 | __be16 fcph_version; |
193 | __be16 b2b_credit; | |
194 | __be16 features; | |
195 | __be16 bb_rcv_sz; /* upper nibble is BB_SC_N */ | |
196 | __be32 ratov; | |
197 | __be32 edtov; | |
802c60e3 | 198 | } __packed __aligned(4); |
072b91f9 BK |
199 | |
200 | struct ibmvfc_service_parms { | |
201 | struct ibmvfc_common_svc_parms common; | |
202 | u8 port_name[8]; | |
203 | u8 node_name[8]; | |
0aab6c3f TD |
204 | __be32 class1_parms[4]; |
205 | __be32 class2_parms[4]; | |
206 | __be32 class3_parms[4]; | |
207 | __be32 obsolete[4]; | |
208 | __be32 vendor_version[4]; | |
209 | __be32 services_avail[2]; | |
210 | __be32 ext_len; | |
211 | __be32 reserved[30]; | |
212 | __be32 clk_sync_qos[2]; | |
4b29cb61 | 213 | __be32 reserved2; |
802c60e3 | 214 | } __packed __aligned(4); |
072b91f9 BK |
215 | |
216 | struct ibmvfc_npiv_login_resp { | |
0aab6c3f TD |
217 | __be32 version; |
218 | __be16 status; | |
219 | __be16 error; | |
220 | __be32 flags; | |
072b91f9 | 221 | #define IBMVFC_NATIVE_FC 0x01 |
0aab6c3f TD |
222 | __be32 reserved; |
223 | __be64 capabilities; | |
497f9c50 | 224 | #define IBMVFC_CAN_FLUSH_ON_HALT 0x08 |
90f725db | 225 | #define IBMVFC_CAN_SUPPRESS_ABTS 0x10 |
c16b8a6d TD |
226 | #define IBMVFC_MAD_VERSION_CAP 0x20 |
227 | #define IBMVFC_HANDLE_VF_WWPN 0x40 | |
228 | #define IBMVFC_CAN_SUPPORT_CHANNELS 0x80 | |
0aab6c3f TD |
229 | __be32 max_cmds; |
230 | __be32 scsi_id_sz; | |
231 | __be64 max_dma_len; | |
232 | __be64 scsi_id; | |
233 | __be64 port_name; | |
234 | __be64 node_name; | |
235 | __be64 link_speed; | |
072b91f9 BK |
236 | u8 partition_name[IBMVFC_MAX_NAME]; |
237 | u8 device_name[IBMVFC_MAX_NAME]; | |
238 | u8 port_loc_code[IBMVFC_MAX_NAME]; | |
239 | u8 drc_name[IBMVFC_MAX_NAME]; | |
240 | struct ibmvfc_service_parms service_parms; | |
0aab6c3f | 241 | __be64 reserved2; |
802c60e3 | 242 | } __packed __aligned(8); |
072b91f9 BK |
243 | |
244 | union ibmvfc_npiv_login_data { | |
245 | struct ibmvfc_npiv_login login; | |
246 | struct ibmvfc_npiv_login_resp resp; | |
802c60e3 | 247 | } __packed __aligned(8); |
072b91f9 | 248 | |
4b29cb61 BK |
249 | struct ibmvfc_discover_targets_entry { |
250 | __be32 scsi_id; | |
251 | __be32 pad; | |
252 | __be64 wwpn; | |
072b91f9 | 253 | #define IBMVFC_DISC_TGT_SCSI_ID_MASK 0x00ffffff |
4b29cb61 | 254 | } __packed __aligned(8); |
072b91f9 BK |
255 | |
256 | struct ibmvfc_discover_targets { | |
257 | struct ibmvfc_mad_common common; | |
258 | struct srp_direct_buf buffer; | |
0aab6c3f | 259 | __be32 flags; |
4b29cb61 | 260 | #define IBMVFC_DISC_TGT_PORT_ID_WWPN_LIST 0x02 |
0aab6c3f TD |
261 | __be16 status; |
262 | __be16 error; | |
263 | __be32 bufflen; | |
264 | __be32 num_avail; | |
265 | __be32 num_written; | |
266 | __be64 reserved[2]; | |
802c60e3 | 267 | } __packed __aligned(8); |
072b91f9 BK |
268 | |
269 | enum ibmvfc_fc_reason { | |
270 | IBMVFC_INVALID_ELS_CMD_CODE = 0x01, | |
271 | IBMVFC_INVALID_VERSION = 0x02, | |
272 | IBMVFC_LOGICAL_ERROR = 0x03, | |
273 | IBMVFC_INVALID_CT_IU_SIZE = 0x04, | |
274 | IBMVFC_LOGICAL_BUSY = 0x05, | |
275 | IBMVFC_PROTOCOL_ERROR = 0x07, | |
276 | IBMVFC_UNABLE_TO_PERFORM_REQ = 0x09, | |
277 | IBMVFC_CMD_NOT_SUPPORTED = 0x0B, | |
278 | IBMVFC_SERVER_NOT_AVAIL = 0x0D, | |
279 | IBMVFC_CMD_IN_PROGRESS = 0x0E, | |
280 | IBMVFC_VENDOR_SPECIFIC = 0xFF, | |
281 | }; | |
282 | ||
283 | enum ibmvfc_fc_type { | |
284 | IBMVFC_FABRIC_REJECT = 0x01, | |
285 | IBMVFC_PORT_REJECT = 0x02, | |
286 | IBMVFC_LS_REJECT = 0x03, | |
287 | IBMVFC_FABRIC_BUSY = 0x04, | |
288 | IBMVFC_PORT_BUSY = 0x05, | |
289 | IBMVFC_BASIC_REJECT = 0x06, | |
290 | }; | |
291 | ||
292 | enum ibmvfc_gs_explain { | |
293 | IBMVFC_PORT_NAME_NOT_REG = 0x02, | |
294 | }; | |
295 | ||
296 | struct ibmvfc_port_login { | |
297 | struct ibmvfc_mad_common common; | |
0aab6c3f TD |
298 | __be64 scsi_id; |
299 | __be16 reserved; | |
300 | __be16 fc_service_class; | |
301 | __be32 blksz; | |
302 | __be32 hdr_per_blk; | |
303 | __be16 status; | |
304 | __be16 error; /* also fc_reason */ | |
305 | __be16 fc_explain; | |
306 | __be16 fc_type; | |
307 | __be32 reserved2; | |
072b91f9 BK |
308 | struct ibmvfc_service_parms service_parms; |
309 | struct ibmvfc_service_parms service_parms_change; | |
c16b8a6d | 310 | __be64 target_wwpn; |
0aab6c3f | 311 | __be64 reserved3[2]; |
802c60e3 | 312 | } __packed __aligned(8); |
072b91f9 | 313 | |
4b29cb61 BK |
314 | struct ibmvfc_move_login { |
315 | struct ibmvfc_mad_common common; | |
316 | __be64 old_scsi_id; | |
317 | __be64 new_scsi_id; | |
318 | __be64 wwpn; | |
319 | __be64 node_name; | |
320 | __be32 flags; | |
321 | #define IBMVFC_MOVE_LOGIN_IMPLICIT_OLD_FAILED 0x01 | |
322 | #define IBMVFC_MOVE_LOGIN_IMPLICIT_NEW_FAILED 0x02 | |
323 | #define IBMVFC_MOVE_LOGIN_PORT_LOGIN_FAILED 0x04 | |
324 | __be32 reserved; | |
325 | struct ibmvfc_service_parms service_parms; | |
326 | struct ibmvfc_service_parms service_parms_change; | |
327 | __be32 reserved2; | |
328 | __be16 service_class; | |
329 | __be16 vios_flags; | |
330 | #define IBMVFC_MOVE_LOGIN_VF_NOT_SENT_ADAPTER 0x01 | |
331 | __be64 reserved3; | |
332 | } __packed __aligned(8); | |
333 | ||
072b91f9 BK |
334 | struct ibmvfc_prli_svc_parms { |
335 | u8 type; | |
336 | #define IBMVFC_SCSI_FCP_TYPE 0x08 | |
337 | u8 type_ext; | |
0aab6c3f | 338 | __be16 flags; |
072b91f9 BK |
339 | #define IBMVFC_PRLI_ORIG_PA_VALID 0x8000 |
340 | #define IBMVFC_PRLI_RESP_PA_VALID 0x4000 | |
341 | #define IBMVFC_PRLI_EST_IMG_PAIR 0x2000 | |
0aab6c3f TD |
342 | __be32 orig_pa; |
343 | __be32 resp_pa; | |
344 | __be32 service_parms; | |
072b91f9 BK |
345 | #define IBMVFC_PRLI_TASK_RETRY 0x00000200 |
346 | #define IBMVFC_PRLI_RETRY 0x00000100 | |
347 | #define IBMVFC_PRLI_DATA_OVERLAY 0x00000040 | |
348 | #define IBMVFC_PRLI_INITIATOR_FUNC 0x00000020 | |
349 | #define IBMVFC_PRLI_TARGET_FUNC 0x00000010 | |
350 | #define IBMVFC_PRLI_READ_FCP_XFER_RDY_DISABLED 0x00000002 | |
351 | #define IBMVFC_PRLI_WR_FCP_XFER_RDY_DISABLED 0x00000001 | |
802c60e3 | 352 | } __packed __aligned(4); |
072b91f9 BK |
353 | |
354 | struct ibmvfc_process_login { | |
355 | struct ibmvfc_mad_common common; | |
0aab6c3f | 356 | __be64 scsi_id; |
072b91f9 BK |
357 | struct ibmvfc_prli_svc_parms parms; |
358 | u8 reserved[48]; | |
0aab6c3f TD |
359 | __be16 status; |
360 | __be16 error; /* also fc_reason */ | |
361 | __be32 reserved2; | |
c16b8a6d | 362 | __be64 target_wwpn; |
0aab6c3f | 363 | __be64 reserved3[2]; |
802c60e3 | 364 | } __packed __aligned(8); |
072b91f9 BK |
365 | |
366 | struct ibmvfc_query_tgt { | |
367 | struct ibmvfc_mad_common common; | |
0aab6c3f TD |
368 | __be64 wwpn; |
369 | __be64 scsi_id; | |
370 | __be16 status; | |
371 | __be16 error; | |
372 | __be16 fc_explain; | |
373 | __be16 fc_type; | |
374 | __be64 reserved[2]; | |
802c60e3 | 375 | } __packed __aligned(8); |
072b91f9 BK |
376 | |
377 | struct ibmvfc_implicit_logout { | |
378 | struct ibmvfc_mad_common common; | |
0aab6c3f TD |
379 | __be64 old_scsi_id; |
380 | __be64 reserved[2]; | |
802c60e3 | 381 | } __packed __aligned(8); |
072b91f9 BK |
382 | |
383 | struct ibmvfc_tmf { | |
384 | struct ibmvfc_mad_common common; | |
0aab6c3f | 385 | __be64 scsi_id; |
072b91f9 | 386 | struct scsi_lun lun; |
0aab6c3f | 387 | __be32 flags; |
072b91f9 BK |
388 | #define IBMVFC_TMF_ABORT_TASK 0x02 |
389 | #define IBMVFC_TMF_ABORT_TASK_SET 0x04 | |
390 | #define IBMVFC_TMF_LUN_RESET 0x10 | |
391 | #define IBMVFC_TMF_TGT_RESET 0x20 | |
392 | #define IBMVFC_TMF_LUA_VALID 0x40 | |
90f725db | 393 | #define IBMVFC_TMF_SUPPRESS_ABTS 0x80 |
0aab6c3f TD |
394 | __be32 cancel_key; |
395 | __be32 my_cancel_key; | |
396 | __be32 pad; | |
c16b8a6d TD |
397 | __be64 target_wwpn; |
398 | __be64 task_tag; | |
0aab6c3f | 399 | __be64 reserved[2]; |
802c60e3 | 400 | } __packed __aligned(8); |
072b91f9 BK |
401 | |
402 | enum ibmvfc_fcp_rsp_info_codes { | |
403 | RSP_NO_FAILURE = 0x00, | |
404 | RSP_TMF_REJECTED = 0x04, | |
405 | RSP_TMF_FAILED = 0x05, | |
406 | RSP_TMF_INVALID_LUN = 0x09, | |
407 | }; | |
408 | ||
409 | struct ibmvfc_fcp_rsp_info { | |
c3981365 | 410 | u8 reserved[3]; |
072b91f9 BK |
411 | u8 rsp_code; |
412 | u8 reserved2[4]; | |
802c60e3 | 413 | } __packed __aligned(2); |
072b91f9 BK |
414 | |
415 | enum ibmvfc_fcp_rsp_flags { | |
416 | FCP_BIDI_RSP = 0x80, | |
417 | FCP_BIDI_READ_RESID_UNDER = 0x40, | |
418 | FCP_BIDI_READ_RESID_OVER = 0x20, | |
419 | FCP_CONF_REQ = 0x10, | |
420 | FCP_RESID_UNDER = 0x08, | |
421 | FCP_RESID_OVER = 0x04, | |
422 | FCP_SNS_LEN_VALID = 0x02, | |
423 | FCP_RSP_LEN_VALID = 0x01, | |
424 | }; | |
425 | ||
426 | union ibmvfc_fcp_rsp_data { | |
427 | struct ibmvfc_fcp_rsp_info info; | |
428 | u8 sense[SCSI_SENSE_BUFFERSIZE + sizeof(struct ibmvfc_fcp_rsp_info)]; | |
802c60e3 | 429 | } __packed __aligned(8); |
072b91f9 BK |
430 | |
431 | struct ibmvfc_fcp_rsp { | |
0aab6c3f TD |
432 | __be64 reserved; |
433 | __be16 retry_delay_timer; | |
072b91f9 BK |
434 | u8 flags; |
435 | u8 scsi_status; | |
0aab6c3f TD |
436 | __be32 fcp_resid; |
437 | __be32 fcp_sense_len; | |
438 | __be32 fcp_rsp_len; | |
072b91f9 | 439 | union ibmvfc_fcp_rsp_data data; |
802c60e3 | 440 | } __packed __aligned(8); |
072b91f9 BK |
441 | |
442 | enum ibmvfc_cmd_flags { | |
443 | IBMVFC_SCATTERLIST = 0x0001, | |
444 | IBMVFC_NO_MEM_DESC = 0x0002, | |
445 | IBMVFC_READ = 0x0004, | |
446 | IBMVFC_WRITE = 0x0008, | |
447 | IBMVFC_TMF = 0x0080, | |
448 | IBMVFC_CLASS_3_ERR = 0x0100, | |
449 | }; | |
450 | ||
451 | enum ibmvfc_fc_task_attr { | |
452 | IBMVFC_SIMPLE_TASK = 0x00, | |
453 | IBMVFC_HEAD_OF_QUEUE = 0x01, | |
454 | IBMVFC_ORDERED_TASK = 0x02, | |
455 | IBMVFC_ACA_TASK = 0x04, | |
456 | }; | |
457 | ||
458 | enum ibmvfc_fc_tmf_flags { | |
459 | IBMVFC_ABORT_TASK_SET = 0x02, | |
460 | IBMVFC_LUN_RESET = 0x10, | |
461 | IBMVFC_TARGET_RESET = 0x20, | |
462 | }; | |
463 | ||
464 | struct ibmvfc_fcp_cmd_iu { | |
465 | struct scsi_lun lun; | |
466 | u8 crn; | |
467 | u8 pri_task_attr; | |
468 | u8 tmf_flags; | |
469 | u8 add_cdb_len; | |
470 | #define IBMVFC_RDDATA 0x02 | |
471 | #define IBMVFC_WRDATA 0x01 | |
472 | u8 cdb[IBMVFC_MAX_CDB_LEN]; | |
0aab6c3f | 473 | __be32 xfer_len; |
802c60e3 | 474 | } __packed __aligned(4); |
072b91f9 BK |
475 | |
476 | struct ibmvfc_cmd { | |
0aab6c3f TD |
477 | __be64 task_tag; |
478 | __be32 frame_type; | |
479 | __be32 payload_len; | |
480 | __be32 resp_len; | |
481 | __be32 adapter_resid; | |
482 | __be16 status; | |
483 | __be16 error; | |
484 | __be16 flags; | |
485 | __be16 response_flags; | |
072b91f9 | 486 | #define IBMVFC_ADAPTER_RESID_VALID 0x01 |
0aab6c3f TD |
487 | __be32 cancel_key; |
488 | __be32 exchange_id; | |
072b91f9 BK |
489 | struct srp_direct_buf ext_func; |
490 | struct srp_direct_buf ioba; | |
491 | struct srp_direct_buf resp; | |
0aab6c3f TD |
492 | __be64 correlation; |
493 | __be64 tgt_scsi_id; | |
494 | __be64 tag; | |
c16b8a6d TD |
495 | __be64 target_wwpn; |
496 | __be64 reserved3; | |
497 | union { | |
498 | struct { | |
499 | struct ibmvfc_fcp_cmd_iu iu; | |
500 | struct ibmvfc_fcp_rsp rsp; | |
501 | } v1; | |
502 | struct { | |
503 | __be64 reserved4; | |
504 | struct ibmvfc_fcp_cmd_iu iu; | |
505 | struct ibmvfc_fcp_rsp rsp; | |
506 | } v2; | |
507 | }; | |
802c60e3 | 508 | } __packed __aligned(8); |
072b91f9 | 509 | |
989b8545 | 510 | struct ibmvfc_passthru_fc_iu { |
0aab6c3f | 511 | __be32 payload[7]; |
989b8545 | 512 | #define IBMVFC_ADISC 0x52000000 |
0aab6c3f | 513 | __be32 response[7]; |
989b8545 BK |
514 | }; |
515 | ||
516 | struct ibmvfc_passthru_iu { | |
0aab6c3f TD |
517 | __be64 task_tag; |
518 | __be32 cmd_len; | |
519 | __be32 rsp_len; | |
520 | __be16 status; | |
521 | __be16 error; | |
522 | __be32 flags; | |
989b8545 | 523 | #define IBMVFC_FC_ELS 0x01 |
d31429e1 | 524 | #define IBMVFC_FC_CT_IU 0x02 |
0aab6c3f | 525 | __be32 cancel_key; |
d31429e1 BK |
526 | #define IBMVFC_PASSTHRU_CANCEL_KEY 0x80000000 |
527 | #define IBMVFC_INTERNAL_CANCEL_KEY 0x80000001 | |
0aab6c3f | 528 | __be32 reserved; |
989b8545 BK |
529 | struct srp_direct_buf cmd; |
530 | struct srp_direct_buf rsp; | |
0aab6c3f TD |
531 | __be64 correlation; |
532 | __be64 scsi_id; | |
533 | __be64 tag; | |
c16b8a6d | 534 | __be64 target_wwpn; |
0aab6c3f | 535 | __be64 reserved2[2]; |
802c60e3 | 536 | } __packed __aligned(8); |
989b8545 BK |
537 | |
538 | struct ibmvfc_passthru_mad { | |
539 | struct ibmvfc_mad_common common; | |
540 | struct srp_direct_buf cmd_ioba; | |
541 | struct ibmvfc_passthru_iu iu; | |
542 | struct ibmvfc_passthru_fc_iu fc_iu; | |
802c60e3 | 543 | } __packed __aligned(8); |
989b8545 | 544 | |
df4d7329 TD |
545 | struct ibmvfc_channel_enquiry { |
546 | struct ibmvfc_mad_common common; | |
547 | __be32 flags; | |
548 | #define IBMVFC_NO_CHANNELS_TO_CRQ_SUPPORT 0x01 | |
549 | #define IBMVFC_SUPPORT_VARIABLE_SUBQ_MSG 0x02 | |
550 | #define IBMVFC_NO_N_TO_M_CHANNELS_SUPPORT 0x04 | |
551 | __be32 num_scsi_subq_channels; | |
552 | __be32 num_nvmeof_subq_channels; | |
553 | __be32 num_scsi_vas_channels; | |
554 | __be32 num_nvmeof_vas_channels; | |
555 | } __packed __aligned(8); | |
556 | ||
557 | struct ibmvfc_channel_setup_mad { | |
558 | struct ibmvfc_mad_common common; | |
559 | struct srp_direct_buf buffer; | |
560 | } __packed __aligned(8); | |
561 | ||
562 | #define IBMVFC_MAX_CHANNELS 502 | |
563 | ||
564 | struct ibmvfc_channel_setup { | |
565 | __be32 flags; | |
566 | #define IBMVFC_CANCEL_CHANNELS 0x01 | |
567 | #define IBMVFC_USE_BUFFER 0x02 | |
568 | #define IBMVFC_CHANNELS_CANCELED 0x04 | |
569 | __be32 reserved; | |
570 | __be32 num_scsi_subq_channels; | |
571 | __be32 num_nvmeof_subq_channels; | |
572 | __be32 num_scsi_vas_channels; | |
573 | __be32 num_nvmeof_vas_channels; | |
574 | struct srp_direct_buf buffer; | |
575 | __be64 reserved2[5]; | |
576 | __be64 channel_handles[IBMVFC_MAX_CHANNELS]; | |
577 | } __packed __aligned(8); | |
578 | ||
579 | struct ibmvfc_connection_info { | |
580 | struct ibmvfc_mad_common common; | |
581 | __be64 information_bits; | |
582 | #define IBMVFC_NO_FC_IO_CHANNEL 0x01 | |
583 | #define IBMVFC_NO_PHYP_VAS 0x02 | |
584 | #define IBMVFC_NO_PHYP_SUBQ 0x04 | |
585 | #define IBMVFC_PHYP_DEPRECATED_SUBQ 0x08 | |
586 | #define IBMVFC_PHYP_PRESERVED_SUBQ 0x10 | |
587 | #define IBMVFC_PHYP_FULL_SUBQ 0x20 | |
588 | __be64 reserved[16]; | |
589 | } __packed __aligned(8); | |
590 | ||
072b91f9 BK |
591 | struct ibmvfc_trace_start_entry { |
592 | u32 xfer_len; | |
802c60e3 | 593 | } __packed; |
072b91f9 BK |
594 | |
595 | struct ibmvfc_trace_end_entry { | |
596 | u16 status; | |
597 | u16 error; | |
598 | u8 fcp_rsp_flags; | |
599 | u8 rsp_code; | |
600 | u8 scsi_status; | |
601 | u8 reserved; | |
802c60e3 | 602 | } __packed; |
072b91f9 BK |
603 | |
604 | struct ibmvfc_trace_entry { | |
605 | struct ibmvfc_event *evt; | |
606 | u32 time; | |
607 | u32 scsi_id; | |
608 | u32 lun; | |
609 | u8 fmt; | |
610 | u8 op_code; | |
611 | u8 tmf_flags; | |
612 | u8 type; | |
613 | #define IBMVFC_TRC_START 0x00 | |
614 | #define IBMVFC_TRC_END 0xff | |
615 | union { | |
616 | struct ibmvfc_trace_start_entry start; | |
617 | struct ibmvfc_trace_end_entry end; | |
618 | } u; | |
802c60e3 | 619 | } __packed __aligned(8); |
072b91f9 BK |
620 | |
621 | enum ibmvfc_crq_formats { | |
622 | IBMVFC_CMD_FORMAT = 0x01, | |
623 | IBMVFC_ASYNC_EVENT = 0x02, | |
624 | IBMVFC_MAD_FORMAT = 0x04, | |
625 | }; | |
626 | ||
627 | enum ibmvfc_async_event { | |
628 | IBMVFC_AE_ELS_PLOGI = 0x0001, | |
629 | IBMVFC_AE_ELS_LOGO = 0x0002, | |
630 | IBMVFC_AE_ELS_PRLO = 0x0004, | |
631 | IBMVFC_AE_SCN_NPORT = 0x0008, | |
632 | IBMVFC_AE_SCN_GROUP = 0x0010, | |
633 | IBMVFC_AE_SCN_DOMAIN = 0x0020, | |
634 | IBMVFC_AE_SCN_FABRIC = 0x0040, | |
635 | IBMVFC_AE_LINK_UP = 0x0080, | |
636 | IBMVFC_AE_LINK_DOWN = 0x0100, | |
637 | IBMVFC_AE_LINK_DEAD = 0x0200, | |
638 | IBMVFC_AE_HALT = 0x0400, | |
639 | IBMVFC_AE_RESUME = 0x0800, | |
640 | IBMVFC_AE_ADAPTER_FAILED = 0x1000, | |
df4d7329 | 641 | IBMVFC_AE_FPIN = 0x2000, |
072b91f9 BK |
642 | }; |
643 | ||
d99e5f48 | 644 | struct ibmvfc_async_desc { |
d99e5f48 | 645 | const char *desc; |
402c6eec | 646 | enum ibmvfc_async_event ae; |
d99e5f48 BK |
647 | int log_level; |
648 | }; | |
649 | ||
072b91f9 | 650 | struct ibmvfc_crq { |
5919ce29 BK |
651 | volatile u8 valid; |
652 | volatile u8 format; | |
072b91f9 | 653 | u8 reserved[6]; |
0aab6c3f | 654 | volatile __be64 ioba; |
802c60e3 | 655 | } __packed __aligned(8); |
072b91f9 | 656 | |
6d07f129 TD |
657 | struct ibmvfc_sub_crq { |
658 | struct ibmvfc_crq crq; | |
659 | __be64 reserved[2]; | |
660 | } __packed __aligned(8); | |
661 | ||
497f9c50 BK |
662 | enum ibmvfc_ae_link_state { |
663 | IBMVFC_AE_LS_LINK_UP = 0x01, | |
664 | IBMVFC_AE_LS_LINK_BOUNCED = 0x02, | |
665 | IBMVFC_AE_LS_LINK_DOWN = 0x04, | |
666 | IBMVFC_AE_LS_LINK_DEAD = 0x08, | |
667 | }; | |
668 | ||
df4d7329 TD |
669 | enum ibmvfc_ae_fpin_status { |
670 | IBMVFC_AE_FPIN_LINK_CONGESTED = 0x1, | |
671 | IBMVFC_AE_FPIN_PORT_CONGESTED = 0x2, | |
672 | IBMVFC_AE_FPIN_PORT_CLEARED = 0x3, | |
673 | IBMVFC_AE_FPIN_PORT_DEGRADED = 0x4, | |
674 | }; | |
675 | ||
072b91f9 | 676 | struct ibmvfc_async_crq { |
5919ce29 | 677 | volatile u8 valid; |
497f9c50 | 678 | u8 link_state; |
df4d7329 TD |
679 | u8 fpin_status; |
680 | u8 pad; | |
0aab6c3f TD |
681 | __be32 pad2; |
682 | volatile __be64 event; | |
683 | volatile __be64 scsi_id; | |
684 | volatile __be64 wwpn; | |
685 | volatile __be64 node_name; | |
686 | __be64 reserved; | |
802c60e3 | 687 | } __packed __aligned(8); |
072b91f9 | 688 | |
072b91f9 BK |
689 | union ibmvfc_iu { |
690 | struct ibmvfc_mad_common mad_common; | |
691 | struct ibmvfc_npiv_login_mad npiv_login; | |
79111d08 | 692 | struct ibmvfc_npiv_logout_mad npiv_logout; |
072b91f9 BK |
693 | struct ibmvfc_discover_targets discover_targets; |
694 | struct ibmvfc_port_login plogi; | |
695 | struct ibmvfc_process_login prli; | |
4b29cb61 | 696 | struct ibmvfc_move_login move_login; |
072b91f9 BK |
697 | struct ibmvfc_query_tgt query_tgt; |
698 | struct ibmvfc_implicit_logout implicit_logout; | |
699 | struct ibmvfc_tmf tmf; | |
700 | struct ibmvfc_cmd cmd; | |
989b8545 | 701 | struct ibmvfc_passthru_mad passthru; |
df4d7329 TD |
702 | struct ibmvfc_channel_enquiry channel_enquiry; |
703 | struct ibmvfc_channel_setup_mad channel_setup; | |
704 | struct ibmvfc_connection_info connection_info; | |
802c60e3 | 705 | } __packed __aligned(8); |
072b91f9 BK |
706 | |
707 | enum ibmvfc_target_action { | |
708 | IBMVFC_TGT_ACTION_NONE = 0, | |
709 | IBMVFC_TGT_ACTION_INIT, | |
710 | IBMVFC_TGT_ACTION_INIT_WAIT, | |
ed830385 BK |
711 | IBMVFC_TGT_ACTION_LOGOUT_RPORT, |
712 | IBMVFC_TGT_ACTION_LOGOUT_RPORT_WAIT, | |
072b91f9 | 713 | IBMVFC_TGT_ACTION_DEL_RPORT, |
d5da3040 | 714 | IBMVFC_TGT_ACTION_DELETED_RPORT, |
4b29cb61 BK |
715 | IBMVFC_TGT_ACTION_DEL_AND_LOGOUT_RPORT, |
716 | IBMVFC_TGT_ACTION_LOGOUT_DELETED_RPORT, | |
072b91f9 BK |
717 | }; |
718 | ||
02e2d8f4 TD |
719 | enum ibmvfc_protocol { |
720 | IBMVFC_PROTO_SCSI = 0, | |
721 | IBMVFC_PROTO_NVME = 1, | |
722 | }; | |
723 | ||
072b91f9 BK |
724 | struct ibmvfc_target { |
725 | struct list_head queue; | |
726 | struct ibmvfc_host *vhost; | |
02e2d8f4 | 727 | enum ibmvfc_protocol protocol; |
072b91f9 | 728 | u64 scsi_id; |
4b29cb61 | 729 | u64 wwpn; |
d5b45dd5 | 730 | u64 new_scsi_id; |
072b91f9 BK |
731 | struct fc_rport *rport; |
732 | int target_id; | |
733 | enum ibmvfc_target_action action; | |
734 | int need_login; | |
43c8da90 | 735 | int add_rport; |
072b91f9 | 736 | int init_retries; |
017b2ae3 | 737 | int logo_rcvd; |
5114975e | 738 | int move_login; |
10501e1c | 739 | u32 cancel_key; |
072b91f9 BK |
740 | struct ibmvfc_service_parms service_parms; |
741 | struct ibmvfc_service_parms service_parms_change; | |
742 | struct fc_rport_identifiers ids; | |
743 | void (*job_step) (struct ibmvfc_target *); | |
10501e1c | 744 | struct timer_list timer; |
072b91f9 BK |
745 | struct kref kref; |
746 | }; | |
747 | ||
748 | /* a unit of work for the hosting partition */ | |
749 | struct ibmvfc_event { | |
e4b26f3d | 750 | struct list_head queue_list; |
a835f386 | 751 | struct list_head cancel; |
072b91f9 | 752 | struct ibmvfc_host *vhost; |
e4b26f3d | 753 | struct ibmvfc_queue *queue; |
072b91f9 BK |
754 | struct ibmvfc_target *tgt; |
755 | struct scsi_cmnd *cmnd; | |
756 | atomic_t free; | |
a264cf5e | 757 | atomic_t active; |
072b91f9 | 758 | union ibmvfc_iu *xfer_iu; |
1f4a4a19 TD |
759 | void (*done)(struct ibmvfc_event *evt); |
760 | void (*_done)(struct ibmvfc_event *evt); | |
072b91f9 BK |
761 | struct ibmvfc_crq crq; |
762 | union ibmvfc_iu iu; | |
763 | union ibmvfc_iu *sync_iu; | |
764 | struct srp_direct_buf *ext_list; | |
765 | dma_addr_t ext_list_token; | |
766 | struct completion comp; | |
ad8dcffa | 767 | struct completion *eh_comp; |
072b91f9 | 768 | struct timer_list timer; |
cb72477b | 769 | u16 hwq; |
e1a4e0d3 | 770 | u8 reserved; |
072b91f9 BK |
771 | }; |
772 | ||
773 | /* a pool of event structs for use */ | |
774 | struct ibmvfc_event_pool { | |
775 | struct ibmvfc_event *events; | |
776 | u32 size; | |
777 | union ibmvfc_iu *iu_storage; | |
778 | dma_addr_t iu_token; | |
779 | }; | |
780 | ||
f8968665 TD |
781 | enum ibmvfc_msg_fmt { |
782 | IBMVFC_CRQ_FMT = 0, | |
783 | IBMVFC_ASYNC_FMT, | |
6d07f129 | 784 | IBMVFC_SUB_CRQ_FMT, |
f8968665 TD |
785 | }; |
786 | ||
787 | union ibmvfc_msgs { | |
788 | void *handle; | |
789 | struct ibmvfc_crq *crq; | |
790 | struct ibmvfc_async_crq *async; | |
6d07f129 | 791 | struct ibmvfc_sub_crq *scrq; |
f8968665 TD |
792 | }; |
793 | ||
794 | struct ibmvfc_queue { | |
795 | union ibmvfc_msgs msgs; | |
796 | dma_addr_t msg_token; | |
797 | enum ibmvfc_msg_fmt fmt; | |
798 | int size, cur; | |
57e80e0b TD |
799 | spinlock_t _lock; |
800 | spinlock_t *q_lock; | |
e4b26f3d | 801 | |
aeaadcde | 802 | struct ibmvfc_host *vhost; |
e4b26f3d TD |
803 | struct ibmvfc_event_pool evt_pool; |
804 | struct list_head sent; | |
805 | struct list_head free; | |
e1a4e0d3 TD |
806 | u16 total_depth; |
807 | u16 evt_depth; | |
808 | u16 reserved_depth; | |
809 | u16 evt_free; | |
810 | u16 reserved_free; | |
57e80e0b | 811 | spinlock_t l_lock; |
6d07f129 | 812 | |
a835f386 TD |
813 | union ibmvfc_iu cancel_rsp; |
814 | ||
6d07f129 | 815 | /* Sub-CRQ fields */ |
6d07f129 TD |
816 | unsigned long cookie; |
817 | unsigned long vios_cookie; | |
818 | unsigned long hw_irq; | |
819 | unsigned long irq; | |
820 | unsigned long hwq_id; | |
821 | char name[32]; | |
eb85f1d7 TD |
822 | irq_handler_t handler; |
823 | }; | |
824 | ||
d3558ca8 | 825 | struct ibmvfc_channels { |
6d07f129 | 826 | struct ibmvfc_queue *scrqs; |
eb85f1d7 | 827 | enum ibmvfc_protocol protocol; |
6d07f129 | 828 | unsigned int active_queues; |
9e560540 TD |
829 | unsigned int desired_queues; |
830 | unsigned int max_queues; | |
50fe1a3f TD |
831 | int disc_buf_sz; |
832 | struct ibmvfc_discover_targets_entry *disc_buf; | |
833 | dma_addr_t disc_buf_dma; | |
f8968665 TD |
834 | }; |
835 | ||
072b91f9 BK |
836 | enum ibmvfc_host_action { |
837 | IBMVFC_HOST_ACTION_NONE = 0, | |
73ee5d86 BK |
838 | IBMVFC_HOST_ACTION_RESET, |
839 | IBMVFC_HOST_ACTION_REENABLE, | |
79111d08 BK |
840 | IBMVFC_HOST_ACTION_LOGO, |
841 | IBMVFC_HOST_ACTION_LOGO_WAIT, | |
072b91f9 BK |
842 | IBMVFC_HOST_ACTION_INIT, |
843 | IBMVFC_HOST_ACTION_INIT_WAIT, | |
844 | IBMVFC_HOST_ACTION_QUERY, | |
845 | IBMVFC_HOST_ACTION_QUERY_TGTS, | |
846 | IBMVFC_HOST_ACTION_TGT_DEL, | |
847 | IBMVFC_HOST_ACTION_ALLOC_TGTS, | |
848 | IBMVFC_HOST_ACTION_TGT_INIT, | |
10e79499 | 849 | IBMVFC_HOST_ACTION_TGT_DEL_FAILED, |
072b91f9 BK |
850 | }; |
851 | ||
852 | enum ibmvfc_host_state { | |
853 | IBMVFC_NO_CRQ = 0, | |
854 | IBMVFC_INITIALIZING, | |
855 | IBMVFC_ACTIVE, | |
856 | IBMVFC_HALTED, | |
857 | IBMVFC_LINK_DOWN, | |
858 | IBMVFC_LINK_DEAD, | |
859 | IBMVFC_HOST_OFFLINE, | |
860 | }; | |
861 | ||
862 | struct ibmvfc_host { | |
863 | char name[8]; | |
864 | struct list_head queue; | |
865 | struct Scsi_Host *host; | |
866 | enum ibmvfc_host_state state; | |
867 | enum ibmvfc_host_action action; | |
868 | #define IBMVFC_NUM_TRACE_INDEX_BITS 8 | |
869 | #define IBMVFC_NUM_TRACE_ENTRIES (1 << IBMVFC_NUM_TRACE_INDEX_BITS) | |
57e80e0b | 870 | #define IBMVFC_TRACE_INDEX_MASK (IBMVFC_NUM_TRACE_ENTRIES - 1) |
072b91f9 BK |
871 | #define IBMVFC_TRACE_SIZE (sizeof(struct ibmvfc_trace_entry) * IBMVFC_NUM_TRACE_ENTRIES) |
872 | struct ibmvfc_trace_entry *trace; | |
57e80e0b | 873 | atomic_t trace_index; |
072b91f9 BK |
874 | int num_targets; |
875 | struct list_head targets; | |
57e80e0b | 876 | struct list_head purge; |
072b91f9 | 877 | struct device *dev; |
072b91f9 BK |
878 | struct dma_pool *sg_pool; |
879 | mempool_t *tgt_pool; | |
f8968665 TD |
880 | struct ibmvfc_queue crq; |
881 | struct ibmvfc_queue async_crq; | |
d3558ca8 | 882 | struct ibmvfc_channels scsi_scrqs; |
072b91f9 BK |
883 | struct ibmvfc_npiv_login login_info; |
884 | union ibmvfc_npiv_login_data *login_buf; | |
885 | dma_addr_t login_buf_dma; | |
e95eef3f TD |
886 | struct ibmvfc_channel_setup *channel_setup_buf; |
887 | dma_addr_t channel_setup_dma; | |
072b91f9 | 888 | int log_level; |
d31429e1 | 889 | struct mutex passthru_mutex; |
9e560540 | 890 | unsigned int max_vios_scsi_channels; |
072b91f9 BK |
891 | int task_set; |
892 | int init_retries; | |
893 | int discovery_threads; | |
10501e1c | 894 | int abort_threads; |
78882c76 NC |
895 | unsigned int client_migrated:1; |
896 | unsigned int reinit:1; | |
897 | unsigned int delay_init:1; | |
898 | unsigned int logged_in:1; | |
899 | unsigned int mq_enabled:1; | |
900 | unsigned int using_channels:1; | |
901 | unsigned int do_enquiry:1; | |
902 | unsigned int aborting_passthru:1; | |
903 | unsigned int scan_complete:1; | |
7a3795f2 | 904 | int scan_timeout; |
072b91f9 BK |
905 | int events_to_log; |
906 | #define IBMVFC_AE_LINKUP 0x0001 | |
907 | #define IBMVFC_AE_LINKDOWN 0x0002 | |
908 | #define IBMVFC_AE_RSCN 0x0004 | |
072b91f9 BK |
909 | unsigned int partition_number; |
910 | char partition_name[97]; | |
911 | void (*job_step) (struct ibmvfc_host *); | |
912 | struct task_struct *work_thread; | |
039a0898 | 913 | struct tasklet_struct tasklet; |
43c8da90 | 914 | struct work_struct rport_add_work_q; |
072b91f9 BK |
915 | wait_queue_head_t init_wait_q; |
916 | wait_queue_head_t work_wait_q; | |
917 | }; | |
918 | ||
919 | #define DBG_CMD(CMD) do { if (ibmvfc_debug) CMD; } while (0) | |
920 | ||
921 | #define tgt_dbg(t, fmt, ...) \ | |
775a42ec | 922 | DBG_CMD(dev_info((t)->vhost->dev, "%llX: " fmt, (t)->scsi_id, ##__VA_ARGS__)) |
072b91f9 | 923 | |
989b8545 | 924 | #define tgt_info(t, fmt, ...) \ |
775a42ec | 925 | dev_info((t)->vhost->dev, "%llX: " fmt, (t)->scsi_id, ##__VA_ARGS__) |
989b8545 | 926 | |
072b91f9 | 927 | #define tgt_err(t, fmt, ...) \ |
775a42ec | 928 | dev_err((t)->vhost->dev, "%llX: " fmt, (t)->scsi_id, ##__VA_ARGS__) |
072b91f9 | 929 | |
7d0e4622 BK |
930 | #define tgt_log(t, level, fmt, ...) \ |
931 | do { \ | |
932 | if ((t)->vhost->log_level >= level) \ | |
933 | tgt_err(t, fmt, ##__VA_ARGS__); \ | |
934 | } while (0) | |
935 | ||
072b91f9 BK |
936 | #define ibmvfc_dbg(vhost, ...) \ |
937 | DBG_CMD(dev_info((vhost)->dev, ##__VA_ARGS__)) | |
938 | ||
939 | #define ibmvfc_log(vhost, level, ...) \ | |
940 | do { \ | |
596891ac | 941 | if ((vhost)->log_level >= level) \ |
072b91f9 BK |
942 | dev_err((vhost)->dev, ##__VA_ARGS__); \ |
943 | } while (0) | |
944 | ||
cadbd4a5 HH |
945 | #define ENTER DBG_CMD(printk(KERN_INFO IBMVFC_NAME": Entering %s\n", __func__)) |
946 | #define LEAVE DBG_CMD(printk(KERN_INFO IBMVFC_NAME": Leaving %s\n", __func__)) | |
072b91f9 BK |
947 | |
948 | #ifdef CONFIG_SCSI_IBMVFC_TRACE | |
949 | #define ibmvfc_create_trace_file(kobj, attr) sysfs_create_bin_file(kobj, attr) | |
950 | #define ibmvfc_remove_trace_file(kobj, attr) sysfs_remove_bin_file(kobj, attr) | |
951 | #else | |
952 | #define ibmvfc_create_trace_file(kobj, attr) 0 | |
953 | #define ibmvfc_remove_trace_file(kobj, attr) do { } while (0) | |
954 | #endif | |
955 | ||
956 | #endif |