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dea3101e | 1 | /******************************************************************* |
2 | * This file is part of the Emulex Linux Device Driver for * | |
c44ce173 | 3 | * Fibre Channel Host Bus Adapters. * |
0fa215e5 | 4 | * Copyright (C) 2017-2024 Broadcom. All Rights Reserved. The term * |
4ae2ebde | 5 | * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. * |
51f4ca3c | 6 | * Copyright (C) 2004-2016 Emulex. All rights reserved. * |
c44ce173 | 7 | * EMULEX and SLI are trademarks of Emulex. * |
d080abe0 | 8 | * www.broadcom.com * |
dea3101e | 9 | * * |
10 | * This program is free software; you can redistribute it and/or * | |
c44ce173 JSEC |
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. * | |
dea3101e | 21 | *******************************************************************/ |
22 | ||
c490850a JS |
23 | #if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS) |
24 | #define CONFIG_SCSI_LPFC_DEBUG_FS | |
25 | #endif | |
26 | ||
dea3101e | 27 | /* forward declaration for LPFC_IOCB_t's use */ |
28 | struct lpfc_hba; | |
2e0fef85 | 29 | struct lpfc_vport; |
dea3101e | 30 | |
31 | /* Define the context types that SLI handles for abort and sums. */ | |
32 | typedef enum _lpfc_ctx_cmd { | |
33 | LPFC_CTX_LUN, | |
34 | LPFC_CTX_TGT, | |
dea3101e | 35 | LPFC_CTX_HOST |
36 | } lpfc_ctx_cmd; | |
37 | ||
ef47575f JS |
38 | /* Enumeration to describe the thread lock context. */ |
39 | enum lpfc_mbox_ctx { | |
40 | MBOX_THD_UNLOCKED, | |
41 | MBOX_THD_LOCKED | |
42 | }; | |
43 | ||
a680a929 | 44 | union lpfc_vmid_tag { |
02169e84 GS |
45 | uint32_t app_id; |
46 | uint8_t cs_ctl_vmid; | |
47 | struct lpfc_vmid_context *vmid_context; /* UVEM context information */ | |
48 | }; | |
49 | ||
4d9ab994 JS |
50 | struct lpfc_cq_event { |
51 | struct list_head list; | |
5e5b511d | 52 | uint16_t hdwq; |
4d9ab994 JS |
53 | union { |
54 | struct lpfc_mcqe mcqe_cmpl; | |
55 | struct lpfc_acqe_link acqe_link; | |
70f3c073 | 56 | struct lpfc_acqe_fip acqe_fip; |
4d9ab994 | 57 | struct lpfc_acqe_dcbx acqe_dcbx; |
b19a061a | 58 | struct lpfc_acqe_grp5 acqe_grp5; |
70f3c073 JS |
59 | struct lpfc_acqe_fc_la acqe_fc; |
60 | struct lpfc_acqe_sli acqe_sli; | |
4d9ab994 JS |
61 | struct lpfc_rcqe rcqe_cmpl; |
62 | struct sli4_wcqe_xri_aborted wcqe_axri; | |
63 | struct lpfc_wcqe_complete wcqe_cmpl; | |
64 | } cqe; | |
da0436e9 JS |
65 | }; |
66 | ||
dea3101e | 67 | /* This structure is used to handle IOCB requests / responses */ |
68 | struct lpfc_iocbq { | |
69 | /* lpfc_iocbqs are used in double linked lists */ | |
70 | struct list_head list; | |
9c2face6 | 71 | struct list_head clist; |
2a9bf3d0 | 72 | struct list_head dlist; |
604a3e30 | 73 | uint16_t iotag; /* pre-assigned IO tag */ |
6d368e53 | 74 | uint16_t sli4_lxritag; /* logical pre-assigned XRI. */ |
da0436e9 | 75 | uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */ |
895427bd | 76 | uint16_t hba_wqidx; /* index to HBA work queue */ |
45ed1190 | 77 | struct lpfc_cq_event cq_event; |
895427bd | 78 | uint64_t isr_timestamp; |
604a3e30 | 79 | |
205e8240 JS |
80 | union lpfc_wqe128 wqe; /* SLI-4 */ |
81 | IOCB_t iocb; /* SLI-3 */ | |
a680a929 | 82 | struct lpfc_wcqe_complete wcqe_cmpl; /* WQE cmpl */ |
895427bd | 83 | |
61910d6a | 84 | u32 unsol_rcv_len; /* Receive len in usol path */ |
31a59f75 | 85 | |
d51cf5bd JS |
86 | /* Pack the u8's together and make them module-4. */ |
87 | u8 num_bdes; /* Number of BDEs */ | |
88 | u8 abort_bls; /* ABTS by initiator or responder */ | |
89 | u8 abort_rctl; /* ACC or RJT flag */ | |
90 | u8 priority; /* OAS priority */ | |
91 | u8 retry; /* retry counter for IOCB cmd - if needed */ | |
92 | u8 rsvd1; /* Pad for u32 */ | |
93 | u8 rsvd2; /* Pad for u32 */ | |
94 | u8 rsvd3; /* Pad for u32 */ | |
31a59f75 | 95 | |
a680a929 | 96 | u32 cmd_flag; |
07951076 | 97 | #define LPFC_IO_LIBDFC 1 /* libdfc iocb */ |
5a0916b4 JS |
98 | #define LPFC_IO_WAKE 2 /* Synchronous I/O completed */ |
99 | #define LPFC_IO_WAKE_TMO LPFC_IO_WAKE /* Synchronous I/O timed out */ | |
07951076 JS |
100 | #define LPFC_IO_FCP 4 /* FCP command -- iocbq in scsi_buf */ |
101 | #define LPFC_DRIVER_ABORTED 8 /* driver aborted this request */ | |
92d7f7b0 | 102 | #define LPFC_IO_FABRIC 0x10 /* Iocb send using fabric scheduler */ |
0ff10d46 | 103 | #define LPFC_DELAY_MEM_FREE 0x20 /* Defer free'ing of FC data */ |
341af102 JS |
104 | #define LPFC_EXCHANGE_BUSY 0x40 /* SLI4 hba reported XB in response */ |
105 | #define LPFC_USE_FCPWQIDX 0x80 /* Submit to specified FCPWQ index */ | |
0f65ff68 | 106 | #define DSS_SECURITY_OP 0x100 /* security IO */ |
4f2e66c6 | 107 | #define LPFC_IO_ON_TXCMPLQ 0x200 /* The IO is still on the TXCMPLQ */ |
8012cc38 JS |
108 | #define LPFC_IO_DIF_PASS 0x400 /* T10 DIF IO pass-thru prot */ |
109 | #define LPFC_IO_DIF_STRIP 0x800 /* T10 DIF IO strip prot */ | |
110 | #define LPFC_IO_DIF_INSERT 0x1000 /* T10 DIF IO insert prot */ | |
1b8d11ab | 111 | #define LPFC_IO_CMD_OUTSTANDING 0x2000 /* timeout handler abort window */ |
341af102 JS |
112 | |
113 | #define LPFC_FIP_ELS_ID_MASK 0xc000 /* ELS_ID range 0-3, non-shifted mask */ | |
114 | #define LPFC_FIP_ELS_ID_SHIFT 14 | |
dea3101e | 115 | |
1ba981fd | 116 | #define LPFC_IO_OAS 0x10000 /* OAS FCP IO */ |
9bd2bff5 | 117 | #define LPFC_IO_FOF 0x20000 /* FOF FCP IO */ |
6c7cf486 | 118 | #define LPFC_IO_LOOPBACK 0x40000 /* Loopback IO */ |
895427bd JS |
119 | #define LPFC_PRLI_NVME_REQ 0x80000 /* This is an NVME PRLI. */ |
120 | #define LPFC_PRLI_FCP_REQ 0x100000 /* This is an NVME PRLI. */ | |
121 | #define LPFC_IO_NVME 0x200000 /* NVME FCP command */ | |
122 | #define LPFC_IO_NVME_LS 0x400000 /* NVME LS command */ | |
f358dd0c | 123 | #define LPFC_IO_NVMET 0x800000 /* NVMET command */ |
02169e84 | 124 | #define LPFC_IO_VMID 0x1000000 /* VMID tagged IO */ |
daebf93f | 125 | #define LPFC_IO_CMF 0x4000000 /* CMF command */ |
1ba981fd | 126 | |
dea3101e | 127 | uint32_t drvrTimeout; /* driver timeout in seconds */ |
2e0fef85 | 128 | struct lpfc_vport *vport;/* virtual port pointer */ |
d51cf5bd JS |
129 | struct lpfc_dmabuf *cmd_dmabuf; |
130 | struct lpfc_dmabuf *rsp_dmabuf; | |
131 | struct lpfc_dmabuf *bpl_dmabuf; | |
04c1d9c5 | 132 | uint32_t event_tag; /* LA Event tag */ |
dea3101e | 133 | union { |
51ef4c26 | 134 | wait_queue_head_t *wait_queue; |
51ef4c26 | 135 | struct lpfcMboxq *mbox; |
19ca7609 | 136 | struct lpfc_node_rrq *rrq; |
d51cf5bd JS |
137 | struct nvmefc_ls_req *nvme_lsreq; |
138 | struct lpfc_async_xchg_ctx *axchg; | |
139 | struct bsg_job_data *dd_data; | |
dea3101e | 140 | } context_un; |
141 | ||
d51cf5bd JS |
142 | struct lpfc_io_buf *io_buf; |
143 | struct lpfc_iocbq *rsp_iocb; | |
144 | struct lpfc_nodelist *ndlp; | |
a680a929 JS |
145 | union lpfc_vmid_tag vmid_tag; |
146 | void (*fabric_cmd_cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmd, | |
147 | struct lpfc_iocbq *rsp); | |
148 | void (*wait_cmd_cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmd, | |
149 | struct lpfc_iocbq *rsp); | |
150 | void (*cmd_cmpl)(struct lpfc_hba *phba, struct lpfc_iocbq *cmd, | |
151 | struct lpfc_iocbq *rsp); | |
dea3101e | 152 | }; |
153 | ||
154 | #define SLI_IOCB_RET_IOCB 1 /* Return IOCB if cmd ring full */ | |
dea3101e | 155 | |
156 | #define IOCB_SUCCESS 0 | |
157 | #define IOCB_BUSY 1 | |
158 | #define IOCB_ERROR 2 | |
159 | #define IOCB_TIMEDOUT 3 | |
db7531d2 JS |
160 | #define IOCB_ABORTED 4 |
161 | #define IOCB_ABORTING 5 | |
162 | #define IOCB_NORESOURCE 6 | |
dea3101e | 163 | |
895427bd JS |
164 | #define SLI_WQE_RET_WQE 1 /* Return WQE if cmd ring full */ |
165 | ||
166 | #define WQE_SUCCESS 0 | |
167 | #define WQE_BUSY 1 | |
168 | #define WQE_ERROR 2 | |
169 | #define WQE_TIMEDOUT 3 | |
170 | #define WQE_ABORTED 4 | |
db7531d2 JS |
171 | #define WQE_ABORTING 5 |
172 | #define WQE_NORESOURCE 6 | |
895427bd | 173 | |
858c9f6c JS |
174 | #define LPFC_MBX_WAKE 1 |
175 | #define LPFC_MBX_IMED_UNREG 2 | |
7054a606 | 176 | |
dea3101e | 177 | typedef struct lpfcMboxq { |
178 | /* MBOXQs are used in single linked lists */ | |
179 | struct list_head list; /* ptr to next mailbox command */ | |
da0436e9 JS |
180 | union { |
181 | MAILBOX_t mb; /* Mailbox cmd */ | |
182 | struct lpfc_mqe mqe; | |
183 | } u; | |
3e1f0718 | 184 | struct lpfc_vport *vport; /* virtual port pointer */ |
18f7fe44 | 185 | struct lpfc_nodelist *ctx_ndlp; /* caller ndlp pointer */ |
115d137a JT |
186 | struct lpfc_dmabuf *ctx_buf; /* caller buffer information */ |
187 | void *ext_buf; /* extended buffer for extended mbox | |
188 | * cmds. Not a generic pointer. | |
189 | * Use for storing virtual address. | |
190 | */ | |
85d77f91 JT |
191 | |
192 | /* Pointers that are seldom used during mbox execution, but require | |
193 | * a saved context. | |
194 | */ | |
195 | union { | |
196 | unsigned long ox_rx_id; /* Used in els_rsp_rls_acc */ | |
197 | struct lpfc_rdp_context *rdp; /* Used in get_rdp_info */ | |
198 | struct lpfc_lcb_context *lcb; /* Used in set_beacon */ | |
199 | struct completion *mbox_wait; /* Used in issue_mbox_wait */ | |
200 | struct bsg_job_data *dd_data; /* Used in bsg_issue_mbox_cmpl | |
201 | * and | |
202 | * bsg_issue_mbox_ext_handle_job | |
203 | */ | |
204 | struct lpfc_iocbq *save_iocb; /* Used in defer_plogi_acc and | |
205 | * lpfc_mbx_cmpl_resume_rpi | |
206 | */ | |
207 | } ctx_u; | |
dea3101e | 208 | |
209 | void (*mbox_cmpl) (struct lpfc_hba *, struct lpfcMboxq *); | |
7054a606 | 210 | uint8_t mbox_flag; |
7a470277 JS |
211 | uint16_t in_ext_byte_len; |
212 | uint16_t out_ext_byte_len; | |
213 | uint8_t mbox_offset_word; | |
da0436e9 JS |
214 | struct lpfc_mcqe mcqe; |
215 | struct lpfc_mbx_nembed_sge_virt *sge_array; | |
dea3101e | 216 | } LPFC_MBOXQ_t; |
217 | ||
218 | #define MBX_POLL 1 /* poll mailbox till command done, then | |
219 | return */ | |
220 | #define MBX_NOWAIT 2 /* issue command then return immediately */ | |
dea3101e | 221 | |
6669f9bb | 222 | #define LPFC_MAX_RING_MASK 5 /* max num of rctl/type masks allowed per |
dea3101e | 223 | ring */ |
2a76a283 JS |
224 | #define LPFC_SLI3_MAX_RING 4 /* Max num of SLI3 rings used by driver. |
225 | For SLI4, an additional ring for each | |
226 | FCP WQ will be allocated. */ | |
dea3101e | 227 | |
228 | struct lpfc_sli_ring; | |
229 | ||
230 | struct lpfc_sli_ring_mask { | |
231 | uint8_t profile; /* profile associated with ring */ | |
232 | uint8_t rctl; /* rctl / type pair configured for ring */ | |
233 | uint8_t type; /* rctl / type pair configured for ring */ | |
234 | uint8_t rsvd; | |
235 | /* rcv'd unsol event */ | |
236 | void (*lpfc_sli_rcv_unsol_event) (struct lpfc_hba *, | |
237 | struct lpfc_sli_ring *, | |
238 | struct lpfc_iocbq *); | |
239 | }; | |
240 | ||
241 | ||
242 | /* Structure used to hold SLI statistical counters and info */ | |
243 | struct lpfc_sli_ring_stat { | |
244 | uint64_t iocb_event; /* IOCB event counters */ | |
245 | uint64_t iocb_cmd; /* IOCB cmd issued */ | |
246 | uint64_t iocb_rsp; /* IOCB rsp received */ | |
247 | uint64_t iocb_cmd_delay; /* IOCB cmd ring delay */ | |
248 | uint64_t iocb_cmd_full; /* IOCB cmd ring full */ | |
249 | uint64_t iocb_cmd_empty; /* IOCB cmd ring is now empty */ | |
250 | uint64_t iocb_rsp_full; /* IOCB rsp ring full */ | |
251 | }; | |
252 | ||
7e56aa25 JS |
253 | struct lpfc_sli3_ring { |
254 | uint32_t local_getidx; /* last available cmd index (from cmdGetInx) */ | |
255 | uint32_t next_cmdidx; /* next_cmd index */ | |
256 | uint32_t rspidx; /* current index in response ring */ | |
257 | uint32_t cmdidx; /* current index in command ring */ | |
258 | uint16_t numCiocb; /* number of command iocb's per ring */ | |
259 | uint16_t numRiocb; /* number of rsp iocb's per ring */ | |
260 | uint16_t sizeCiocb; /* Size of command iocb's in this ring */ | |
261 | uint16_t sizeRiocb; /* Size of response iocb's in this ring */ | |
262 | uint32_t *cmdringaddr; /* virtual address for cmd rings */ | |
263 | uint32_t *rspringaddr; /* virtual address for rsp rings */ | |
264 | }; | |
265 | ||
266 | struct lpfc_sli4_ring { | |
2a76a283 | 267 | struct lpfc_queue *wqp; /* Pointer to associated WQ */ |
7e56aa25 JS |
268 | }; |
269 | ||
270 | ||
dea3101e | 271 | /* Structure used to hold SLI ring information */ |
272 | struct lpfc_sli_ring { | |
273 | uint16_t flag; /* ring flags */ | |
274 | #define LPFC_DEFERRED_RING_EVENT 0x001 /* Deferred processing a ring event */ | |
275 | #define LPFC_CALL_RING_AVAILABLE 0x002 /* indicates cmd was full */ | |
dea3101e | 276 | #define LPFC_STOP_IOCB_EVENT 0x020 /* Stop processing IOCB cmds event */ |
dea3101e | 277 | uint16_t abtsiotag; /* tracks next iotag to use for ABTS */ |
278 | ||
dea3101e | 279 | uint8_t rsvd; |
280 | uint8_t ringno; /* ring number */ | |
7e56aa25 JS |
281 | |
282 | spinlock_t ring_lock; /* lock for issuing commands */ | |
dea3101e | 283 | |
284 | uint32_t fast_iotag; /* max fastlookup based iotag */ | |
285 | uint32_t iotag_ctr; /* keeps track of the next iotag to use */ | |
286 | uint32_t iotag_max; /* max iotag value to use */ | |
dea3101e | 287 | struct list_head txq; |
288 | uint16_t txq_cnt; /* current length of queue */ | |
289 | uint16_t txq_max; /* max length */ | |
290 | struct list_head txcmplq; | |
291 | uint16_t txcmplq_cnt; /* current length of queue */ | |
292 | uint16_t txcmplq_max; /* max length */ | |
dea3101e | 293 | uint32_t missbufcnt; /* keep track of buffers to post */ |
294 | struct list_head postbufq; | |
295 | uint16_t postbufq_cnt; /* current length of queue */ | |
296 | uint16_t postbufq_max; /* max length */ | |
297 | struct list_head iocb_continueq; | |
298 | uint16_t iocb_continueq_cnt; /* current length of queue */ | |
299 | uint16_t iocb_continueq_max; /* max length */ | |
9c2face6 | 300 | struct list_head iocb_continue_saveq; |
dea3101e | 301 | |
302 | struct lpfc_sli_ring_mask prt[LPFC_MAX_RING_MASK]; | |
303 | uint32_t num_mask; /* number of mask entries in prt array */ | |
57127f15 JS |
304 | void (*lpfc_sli_rcv_async_status) (struct lpfc_hba *, |
305 | struct lpfc_sli_ring *, struct lpfc_iocbq *); | |
dea3101e | 306 | |
307 | struct lpfc_sli_ring_stat stats; /* SLI statistical info */ | |
308 | ||
309 | /* cmd ring available */ | |
310 | void (*lpfc_sli_cmd_available) (struct lpfc_hba *, | |
311 | struct lpfc_sli_ring *); | |
7e56aa25 JS |
312 | union { |
313 | struct lpfc_sli3_ring sli3; | |
314 | struct lpfc_sli4_ring sli4; | |
315 | } sli; | |
dea3101e | 316 | }; |
317 | ||
ed957684 JS |
318 | /* Structure used for configuring rings to a specific profile or rctl / type */ |
319 | struct lpfc_hbq_init { | |
320 | uint32_t rn; /* Receive buffer notification */ | |
92d7f7b0 | 321 | uint32_t entry_count; /* max # of entries in HBQ */ |
ed957684 JS |
322 | uint32_t headerLen; /* 0 if not profile 4 or 5 */ |
323 | uint32_t logEntry; /* Set to 1 if this HBQ used for LogEntry */ | |
324 | uint32_t profile; /* Selection profile 0=all, 7=logentry */ | |
325 | uint32_t ring_mask; /* Binds HBQ to a ring e.g. Ring0=b0001, | |
326 | * ring2=b0100 */ | |
327 | uint32_t hbq_index; /* index of this hbq in ring .HBQs[] */ | |
328 | ||
329 | uint32_t seqlenoff; | |
330 | uint32_t maxlen; | |
331 | uint32_t seqlenbcnt; | |
332 | uint32_t cmdcodeoff; | |
333 | uint32_t cmdmatch[8]; | |
334 | uint32_t mask_count; /* number of mask entries in prt array */ | |
335 | struct hbq_mask hbqMasks[6]; | |
92d7f7b0 JS |
336 | |
337 | /* Non-config rings fields to keep track of buffer allocations */ | |
338 | uint32_t buffer_count; /* number of buffers allocated */ | |
339 | uint32_t init_count; /* number to allocate when initialized */ | |
340 | uint32_t add_count; /* number to allocate when starved */ | |
ed957684 JS |
341 | } ; |
342 | ||
dea3101e | 343 | /* Structure used to hold SLI statistical counters and info */ |
344 | struct lpfc_sli_stat { | |
345 | uint64_t mbox_stat_err; /* Mbox cmds completed status error */ | |
346 | uint64_t mbox_cmd; /* Mailbox commands issued */ | |
347 | uint64_t sli_intr; /* Count of Host Attention interrupts */ | |
aa6fbb75 JS |
348 | uint64_t sli_prev_intr; /* Previous cnt of Host Attention interrupts */ |
349 | uint64_t sli_ips; /* Host Attention interrupts per sec */ | |
dea3101e | 350 | uint32_t err_attn_event; /* Error Attn event counters */ |
351 | uint32_t link_event; /* Link event counters */ | |
352 | uint32_t mbox_event; /* Mailbox event counters */ | |
353 | uint32_t mbox_busy; /* Mailbox cmd busy */ | |
354 | }; | |
355 | ||
64ba8818 JS |
356 | /* Structure to store link status values when port stats are reset */ |
357 | struct lpfc_lnk_stat { | |
358 | uint32_t link_failure_count; | |
359 | uint32_t loss_of_sync_count; | |
360 | uint32_t loss_of_signal_count; | |
361 | uint32_t prim_seq_protocol_err_count; | |
362 | uint32_t invalid_tx_word_count; | |
363 | uint32_t invalid_crc_count; | |
364 | uint32_t error_frames; | |
365 | uint32_t link_events; | |
366 | }; | |
367 | ||
dea3101e | 368 | /* Structure used to hold SLI information */ |
369 | struct lpfc_sli { | |
370 | uint32_t num_rings; | |
371 | uint32_t sli_flag; | |
372 | ||
373 | /* Additional sli_flags */ | |
374 | #define LPFC_SLI_MBOX_ACTIVE 0x100 /* HBA mailbox is currently active */ | |
f4b4c68f | 375 | #define LPFC_SLI_ACTIVE 0x200 /* SLI in firmware is active */ |
dea3101e | 376 | #define LPFC_PROCESS_LA 0x400 /* Able to process link attention */ |
2e0fef85 | 377 | #define LPFC_BLOCK_MGMT_IO 0x800 /* Don't allow mgmt mbx or iocb cmds */ |
da0436e9 | 378 | #define LPFC_SLI_ASYNC_MBX_BLK 0x2000 /* Async mailbox is blocked */ |
f358dd0c | 379 | #define LPFC_SLI_SUPPRESS_RSP 0x4000 /* Suppress RSP feature is supported */ |
0cf07f84 | 380 | #define LPFC_SLI_USE_EQDR 0x8000 /* EQ Delay Register is supported */ |
4645f7b5 JS |
381 | #define LPFC_QUEUE_FREE_INIT 0x10000 /* Queue freeing is in progress */ |
382 | #define LPFC_QUEUE_FREE_WAIT 0x20000 /* Hold Queue free as it is being | |
383 | * used outside worker thread | |
384 | */ | |
dea3101e | 385 | |
895427bd | 386 | struct lpfc_sli_ring *sli3_ring; |
dea3101e | 387 | |
388 | struct lpfc_sli_stat slistat; /* SLI statistical info */ | |
389 | struct list_head mboxq; | |
390 | uint16_t mboxq_cnt; /* current length of queue */ | |
391 | uint16_t mboxq_max; /* max length */ | |
392 | LPFC_MBOXQ_t *mbox_active; /* active mboxq information */ | |
92d7f7b0 | 393 | struct list_head mboxq_cmpl; |
dea3101e | 394 | |
395 | struct timer_list mbox_tmo; /* Hold clk to timeout active mbox | |
396 | cmd */ | |
397 | ||
604a3e30 JB |
398 | #define LPFC_IOCBQ_LOOKUP_INCREMENT 1024 |
399 | struct lpfc_iocbq ** iocbq_lookup; /* array to lookup IOCB by IOTAG */ | |
400 | size_t iocbq_lookup_len; /* current lengs of the array */ | |
401 | uint16_t last_iotag; /* last allocated IOTAG */ | |
c4d6204d | 402 | time64_t stats_start; /* in seconds */ |
64ba8818 | 403 | struct lpfc_lnk_stat lnk_stat_offsets; |
dea3101e | 404 | }; |
405 | ||
a183a15f JS |
406 | /* Timeout for normal outstanding mbox command (Seconds) */ |
407 | #define LPFC_MBOX_TMO 30 | |
408 | /* Timeout for non-flash-based outstanding sli_config mbox command (Seconds) */ | |
409 | #define LPFC_MBOX_SLI4_CONFIG_TMO 60 | |
410 | /* Timeout for flash-based outstanding sli_config mbox command (Seconds) */ | |
411 | #define LPFC_MBOX_SLI4_CONFIG_EXTENDED_TMO 300 | |
412 | /* Timeout for other flash-based outstanding mbox command (Seconds) */ | |
413 | #define LPFC_MBOX_TMO_FLASH_CMD 300 | |
c490850a JS |
414 | |
415 | struct lpfc_io_buf { | |
416 | /* Common fields */ | |
417 | struct list_head list; | |
418 | void *data; | |
d79c9e9d | 419 | |
c490850a JS |
420 | dma_addr_t dma_handle; |
421 | dma_addr_t dma_phys_sgl; | |
d79c9e9d JS |
422 | |
423 | struct sli4_sge *dma_sgl; /* initial segment chunk */ | |
424 | ||
425 | /* linked list of extra sli4_hybrid_sge */ | |
426 | struct list_head dma_sgl_xtra_list; | |
427 | ||
428 | /* list head for fcp_cmd_rsp buf */ | |
429 | struct list_head dma_cmd_rsp_list; | |
430 | ||
c490850a JS |
431 | struct lpfc_iocbq cur_iocbq; |
432 | struct lpfc_sli4_hdw_queue *hdwq; | |
433 | uint16_t hdwq_no; | |
434 | uint16_t cpu; | |
435 | ||
436 | struct lpfc_nodelist *ndlp; | |
437 | uint32_t timeout; | |
324e1c40 | 438 | uint16_t flags; |
c490850a JS |
439 | #define LPFC_SBUF_XBUSY 0x1 /* SLI4 hba reported XB on WCQE cmpl */ |
440 | #define LPFC_SBUF_BUMP_QDEPTH 0x2 /* bumped queue depth counter */ | |
441 | /* External DIF device IO conversions */ | |
442 | #define LPFC_SBUF_NORMAL_DIF 0x4 /* normal mode to insert/strip */ | |
443 | #define LPFC_SBUF_PASS_DIF 0x8 /* insert/strip mode to passthru */ | |
444 | #define LPFC_SBUF_NOT_POSTED 0x10 /* SGL failed post to FW. */ | |
c490850a JS |
445 | uint16_t status; /* From IOCB Word 7- ulpStatus */ |
446 | uint32_t result; /* From IOCB Word 4. */ | |
447 | ||
448 | uint32_t seg_cnt; /* Number of scatter-gather segments returned by | |
449 | * dma_map_sg. The driver needs this for calls | |
450 | * to dma_unmap_sg. | |
451 | */ | |
452 | unsigned long start_time; | |
c2017260 | 453 | spinlock_t buf_lock; /* lock used in case of simultaneous abort */ |
c490850a JS |
454 | bool expedite; /* this is an expedite io_buf */ |
455 | ||
456 | union { | |
457 | /* SCSI specific fields */ | |
458 | struct { | |
459 | struct scsi_cmnd *pCmd; | |
460 | struct lpfc_rport_data *rdata; | |
461 | uint32_t prot_seg_cnt; /* seg_cnt's counterpart for | |
462 | * protection data | |
463 | */ | |
464 | ||
465 | /* | |
466 | * data and dma_handle are the kernel virtual and bus | |
467 | * address of the dma-able buffer containing the | |
468 | * fcp_cmd, fcp_rsp and a scatter gather bde list that | |
469 | * supports the sg_tablesize value. | |
470 | */ | |
471 | struct fcp_cmnd *fcp_cmnd; | |
472 | struct fcp_rsp *fcp_rsp; | |
473 | ||
474 | wait_queue_head_t *waitq; | |
475 | ||
476 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS | |
477 | /* Used to restore any changes to protection data for | |
478 | * error injection | |
479 | */ | |
480 | void *prot_data_segment; | |
481 | uint32_t prot_data; | |
482 | uint32_t prot_data_type; | |
483 | #define LPFC_INJERR_REFTAG 1 | |
484 | #define LPFC_INJERR_APPTAG 2 | |
485 | #define LPFC_INJERR_GUARD 3 | |
486 | #endif | |
487 | }; | |
488 | ||
489 | /* NVME specific fields */ | |
490 | struct { | |
491 | struct nvmefc_fcp_req *nvmeCmd; | |
492 | uint16_t qidx; | |
c490850a JS |
493 | }; |
494 | }; | |
def11a58 JS |
495 | #ifdef CONFIG_SCSI_LPFC_DEBUG_FS |
496 | uint64_t ts_cmd_start; | |
497 | uint64_t ts_last_cmd; | |
498 | uint64_t ts_cmd_wqput; | |
499 | uint64_t ts_isr_cmpl; | |
2fcbc569 | 500 | uint64_t ts_data_io; |
def11a58 | 501 | #endif |
02243836 | 502 | uint64_t rx_cmd_start; |
c490850a | 503 | }; |