1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2017-2024 Broadcom. All Rights Reserved. The term *
5 * “Broadcom” refers to Broadcom Inc. and/or its subsidiaries. *
6 * Copyright (C) 2009-2016 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
23 #include <linux/irq_poll.h>
24 #include <linux/cpufreq.h>
25
26 #if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_SCSI_LPFC_DEBUG_FS)
27 #define CONFIG_SCSI_LPFC_DEBUG_FS
28 #endif
29
30 #define LPFC_ACTIVE_MBOX_WAIT_CNT 100
31 #define LPFC_XRI_EXCH_BUSY_WAIT_TMO 10000
32 #define LPFC_XRI_EXCH_BUSY_WAIT_T1 10
33 #define LPFC_XRI_EXCH_BUSY_WAIT_T2 30000
34 #define LPFC_RPI_LOW_WATER_MARK 10
35
36 #define LPFC_UNREG_FCF 1
37 #define LPFC_SKIP_UNREG_FCF 0
38
39 /* Amount of time in seconds for waiting FCF rediscovery to complete */
40 #define LPFC_FCF_REDISCOVER_WAIT_TMO 2000 /* msec */
41
42 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
43 #define LPFC_NEMBED_MBOX_SGL_CNT 254
44
45 /* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */
46 #define LPFC_HBA_HDWQ_MIN 0
47 #define LPFC_HBA_HDWQ_MAX 256
48 #define LPFC_HBA_HDWQ_DEF LPFC_HBA_HDWQ_MIN
49
50 /* irq_chann range, values */
51 #define LPFC_IRQ_CHANN_MIN 0
52 #define LPFC_IRQ_CHANN_MAX 256
53 #define LPFC_IRQ_CHANN_DEF LPFC_IRQ_CHANN_MIN
54
55 /* FCP MQ queue count limiting */
56 #define LPFC_FCP_MQ_THRESHOLD_MIN 0
57 #define LPFC_FCP_MQ_THRESHOLD_MAX 256
58 #define LPFC_FCP_MQ_THRESHOLD_DEF 8
59
60 /*
61 * Provide the default FCF Record attributes used by the driver
62 * when nonFIP mode is configured and there is no other default
63 * FCF Record attributes.
64 */
65 #define LPFC_FCOE_FCF_DEF_INDEX 0
66 #define LPFC_FCOE_FCF_GET_FIRST 0xFFFF
67 #define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF
68
69 #define LPFC_FCOE_NULL_VID 0xFFF
70 #define LPFC_FCOE_IGNORE_VID 0xFFFF
71
72 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
73 #define LPFC_FCOE_FCF_MAC3 0xFF
74 #define LPFC_FCOE_FCF_MAC4 0xFF
75 #define LPFC_FCOE_FCF_MAC5 0xFE
76 #define LPFC_FCOE_FCF_MAP0 0x0E
77 #define LPFC_FCOE_FCF_MAP1 0xFC
78 #define LPFC_FCOE_FCF_MAP2 0x00
79 #define LPFC_FCOE_MAX_RCV_SIZE 0x800
80 #define LPFC_FCOE_FKA_ADV_PER 0
81 #define LPFC_FCOE_FIP_PRIORITY 0x80
82
83 #define sli4_sid_from_fc_hdr(fc_hdr) \
84 ((fc_hdr)->fh_s_id[0] << 16 | \
85 (fc_hdr)->fh_s_id[1] << 8 | \
86 (fc_hdr)->fh_s_id[2])
87
88 #define sli4_did_from_fc_hdr(fc_hdr) \
89 ((fc_hdr)->fh_d_id[0] << 16 | \
90 (fc_hdr)->fh_d_id[1] << 8 | \
91 (fc_hdr)->fh_d_id[2])
92
93 #define sli4_fctl_from_fc_hdr(fc_hdr) \
94 ((fc_hdr)->fh_f_ctl[0] << 16 | \
95 (fc_hdr)->fh_f_ctl[1] << 8 | \
96 (fc_hdr)->fh_f_ctl[2])
97
98 #define sli4_type_from_fc_hdr(fc_hdr) \
99 ((fc_hdr)->fh_type)
100
101 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
102
103 #define INT_FW_UPGRADE 0
104 #define RUN_FW_UPGRADE 1
105
106 enum lpfc_sli4_queue_type {
107 LPFC_EQ,
108 LPFC_GCQ,
109 LPFC_MCQ,
110 LPFC_WCQ,
111 LPFC_RCQ,
112 LPFC_MQ,
113 LPFC_WQ,
114 LPFC_HRQ,
115 LPFC_DRQ
116 };
117
118 /* The queue sub-type defines the functional purpose of the queue */
119 enum lpfc_sli4_queue_subtype {
120 LPFC_NONE,
121 LPFC_MBOX,
122 LPFC_IO,
123 LPFC_ELS,
124 LPFC_NVMET,
125 LPFC_NVME_LS,
126 LPFC_USOL
127 };
128
129 /* RQ buffer list */
130 struct lpfc_rqb {
131 uint16_t entry_count; /* Current number of RQ slots */
132 uint16_t buffer_count; /* Current number of buffers posted */
133 struct list_head rqb_buffer_list; /* buffers assigned to this HBQ */
134 /* Callback for HBQ buffer allocation */
135 struct rqb_dmabuf *(*rqb_alloc_buffer)(struct lpfc_hba *);
136 /* Callback for HBQ buffer free */
137 void (*rqb_free_buffer)(struct lpfc_hba *,
138 struct rqb_dmabuf *);
139 };
140
141 enum lpfc_poll_mode {
142 LPFC_QUEUE_WORK,
143 LPFC_THREADED_IRQ,
144 };
145
146 struct lpfc_idle_stat {
147 u64 prev_idle;
148 u64 prev_wall;
149 };
150
151 struct lpfc_queue {
152 struct list_head list;
153 struct list_head wq_list;
154
155 /*
156 * If interrupts are in effect on _all_ the eq's the footprint
157 * of polling code is zero (except mode). This memory is chec-
158 * ked for every io to see if the io needs to be polled and
159 * while completion to check if the eq's needs to be rearmed.
160 * Keep in same cacheline as the queue ptr to avoid cpu fetch
161 * stalls. Using 1B memory will leave us with 7B hole. Fill
162 * it with other frequently used members.
163 */
164 uint16_t last_cpu; /* most recent cpu */
165 uint16_t hdwq;
166 uint8_t qe_valid;
167 uint8_t mode; /* interrupt or polling */
168 #define LPFC_EQ_INTERRUPT 0
169 #define LPFC_EQ_POLL 1
170
171 struct list_head wqfull_list;
172 enum lpfc_sli4_queue_type type;
173 enum lpfc_sli4_queue_subtype subtype;
174 struct lpfc_hba *phba;
175 struct list_head child_list;
176 struct list_head page_list;
177 struct list_head sgl_list;
178 struct list_head cpu_list;
179 uint32_t entry_count; /* Number of entries to support on the queue */
180 uint32_t entry_size; /* Size of each queue entry. */
181 uint32_t entry_cnt_per_pg;
182 uint32_t notify_interval; /* Queue Notification Interval
183 * For chip->host queues (EQ, CQ, RQ):
184 * specifies the interval (number of
185 * entries) where the doorbell is rung to
186 * notify the chip of entry consumption.
187 * For host->chip queues (WQ):
188 * specifies the interval (number of
189 * entries) where consumption CQE is
190 * requested to indicate WQ entries
191 * consumed by the chip.
192 * Not used on an MQ.
193 */
194 #define LPFC_EQ_NOTIFY_INTRVL 16
195 #define LPFC_CQ_NOTIFY_INTRVL 16
196 #define LPFC_WQ_NOTIFY_INTRVL 16
197 #define LPFC_RQ_NOTIFY_INTRVL 16
198 uint32_t max_proc_limit; /* Queue Processing Limit
199 * For chip->host queues (EQ, CQ):
200 * specifies the maximum number of
201 * entries to be consumed in one
202 * processing iteration sequence. Queue
203 * will be rearmed after each iteration.
204 * Not used on an MQ, RQ or WQ.
205 */
206 #define LPFC_EQ_MAX_PROC_LIMIT 256
207 #define LPFC_CQ_MIN_PROC_LIMIT 64
208 #define LPFC_CQ_MAX_PROC_LIMIT LPFC_CQE_EXP_COUNT // 4096
209 #define LPFC_CQ_DEF_MAX_PROC_LIMIT LPFC_CQE_DEF_COUNT // 1024
210 #define LPFC_CQ_MIN_THRESHOLD_TO_POLL 64
211 #define LPFC_CQ_MAX_THRESHOLD_TO_POLL LPFC_CQ_DEF_MAX_PROC_LIMIT
212 #define LPFC_CQ_DEF_THRESHOLD_TO_POLL LPFC_CQ_DEF_MAX_PROC_LIMIT
213 uint32_t queue_claimed; /* indicates queue is being processed */
214 uint32_t queue_id; /* Queue ID assigned by the hardware */
215 uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */
216 uint32_t host_index; /* The host's index for putting or getting */
217 uint32_t hba_index; /* The last known hba index for get or put */
218 uint32_t q_mode;
219
220 struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
221 struct lpfc_rqb *rqbp; /* ptr to RQ buffers */
222
223 uint16_t page_count; /* Number of pages allocated for this queue */
224 uint16_t page_size; /* size of page allocated for this queue */
225 #define LPFC_EXPANDED_PAGE_SIZE 16384
226 #define LPFC_DEFAULT_PAGE_SIZE 4096
227 uint16_t chann; /* Hardware Queue association WQ/CQ */
228 /* CPU affinity for EQ */
229 #define LPFC_FIND_BY_EQ 0
230 #define LPFC_FIND_BY_HDWQ 1
231 uint8_t db_format;
232 #define LPFC_DB_RING_FORMAT 0x01
233 #define LPFC_DB_LIST_FORMAT 0x02
234 uint8_t q_flag;
235 #define HBA_NVMET_WQFULL 0x1 /* We hit WQ Full condition for NVMET */
236 #define HBA_NVMET_CQ_NOTIFY 0x1 /* LPFC_NVMET_CQ_NOTIFY CQEs this EQE */
237 #define HBA_EQ_DELAY_CHK 0x2 /* EQ is a candidate for coalescing */
238 #define LPFC_NVMET_CQ_NOTIFY 4
239 void __iomem *db_regaddr;
240 uint16_t dpp_enable;
241 uint16_t dpp_id;
242 void __iomem *dpp_regaddr;
243
244 /* For q stats */
245 uint32_t q_cnt_1;
246 uint32_t q_cnt_2;
247 uint32_t q_cnt_3;
248 uint64_t q_cnt_4;
249 /* defines for EQ stats */
250 #define EQ_max_eqe q_cnt_1
251 #define EQ_no_entry q_cnt_2
252 #define EQ_cqe_cnt q_cnt_3
253 #define EQ_processed q_cnt_4
254
255 /* defines for CQ stats */
256 #define CQ_mbox q_cnt_1
257 #define CQ_max_cqe q_cnt_1
258 #define CQ_release_wqe q_cnt_2
259 #define CQ_xri_aborted q_cnt_3
260 #define CQ_wq q_cnt_4
261
262 /* defines for WQ stats */
263 #define WQ_overflow q_cnt_1
264 #define WQ_posted q_cnt_4
265
266 /* defines for RQ stats */
267 #define RQ_no_posted_buf q_cnt_1
268 #define RQ_no_buf_found q_cnt_2
269 #define RQ_buf_posted q_cnt_3
270 #define RQ_rcv_buf q_cnt_4
271
272 struct work_struct irqwork;
273 struct work_struct spwork;
274 struct delayed_work sched_irqwork;
275 struct delayed_work sched_spwork;
276
277 uint64_t isr_timestamp;
278 struct lpfc_queue *assoc_qp;
279 struct list_head _poll_list;
280 void **q_pgs; /* array to index entries per page */
281
282 enum lpfc_poll_mode poll_mode;
283 };
284
285 struct lpfc_sli4_link {
286 uint32_t speed;
287 uint8_t duplex;
288 uint8_t status;
289 uint8_t type;
290 uint8_t number;
291 uint8_t fault;
292 uint8_t link_status;
293 uint16_t topology;
294 uint32_t logical_speed;
295 };
296
297 struct lpfc_fcf_rec {
298 uint8_t fabric_name[8];
299 uint8_t switch_name[8];
300 uint8_t mac_addr[6];
301 uint16_t fcf_indx;
302 uint32_t priority;
303 uint16_t vlan_id;
304 uint32_t addr_mode;
305 uint32_t flag;
306 #define BOOT_ENABLE 0x01
307 #define RECORD_VALID 0x02
308 };
309
310 struct lpfc_fcf_pri_rec {
311 uint16_t fcf_index;
312 #define LPFC_FCF_ON_PRI_LIST 0x0001
313 #define LPFC_FCF_FLOGI_FAILED 0x0002
314 uint16_t flag;
315 uint32_t priority;
316 };
317
318 struct lpfc_fcf_pri {
319 struct list_head list;
320 struct lpfc_fcf_pri_rec fcf_rec;
321 };
322
323 /*
324 * Maximum FCF table index, it is for driver internal book keeping, it
325 * just needs to be no less than the supported HBA's FCF table size.
326 */
327 #define LPFC_SLI4_FCF_TBL_INDX_MAX 32
328
329 struct lpfc_fcf {
330 uint16_t fcfi;
331 uint32_t fcf_flag;
332 #define FCF_AVAILABLE 0x01 /* FCF available for discovery */
333 #define FCF_REGISTERED 0x02 /* FCF registered with FW */
334 #define FCF_SCAN_DONE 0x04 /* FCF table scan done */
335 #define FCF_IN_USE 0x08 /* Atleast one discovery completed */
336 #define FCF_INIT_DISC 0x10 /* Initial FCF discovery */
337 #define FCF_DEAD_DISC 0x20 /* FCF DEAD fast FCF failover discovery */
338 #define FCF_ACVL_DISC 0x40 /* All CVL fast FCF failover discovery */
339 #define FCF_DISCOVERY (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
340 #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
341 #define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */
342 #define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */
343 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
344 uint16_t fcf_redisc_attempted;
345 uint32_t addr_mode;
346 uint32_t eligible_fcf_cnt;
347 struct lpfc_fcf_rec current_rec;
348 struct lpfc_fcf_rec failover_rec;
349 struct list_head fcf_pri_list;
350 struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
351 uint32_t current_fcf_scan_pri;
352 struct timer_list redisc_wait;
353 unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
354 };
355
356
357 #define LPFC_REGION23_SIGNATURE "RG23"
358 #define LPFC_REGION23_VERSION 1
359 #define LPFC_REGION23_LAST_REC 0xff
360 #define DRIVER_SPECIFIC_TYPE 0xA2
361 #define LINUX_DRIVER_ID 0x20
362 #define PORT_STE_TYPE 0x1
363
364 struct lpfc_fip_param_hdr {
365 uint8_t type;
366 #define FCOE_PARAM_TYPE 0xA0
367 uint8_t length;
368 #define FCOE_PARAM_LENGTH 2
369 uint8_t parm_version;
370 #define FIPP_VERSION 0x01
371 uint8_t parm_flags;
372 #define lpfc_fip_param_hdr_fipp_mode_SHIFT 6
373 #define lpfc_fip_param_hdr_fipp_mode_MASK 0x3
374 #define lpfc_fip_param_hdr_fipp_mode_WORD parm_flags
375 #define FIPP_MODE_ON 0x1
376 #define FIPP_MODE_OFF 0x0
377 #define FIPP_VLAN_VALID 0x1
378 };
379
380 struct lpfc_fcoe_params {
381 uint8_t fc_map[3];
382 uint8_t reserved1;
383 uint16_t vlan_tag;
384 uint8_t reserved[2];
385 };
386
387 struct lpfc_fcf_conn_hdr {
388 uint8_t type;
389 #define FCOE_CONN_TBL_TYPE 0xA1
390 uint8_t length; /* words */
391 uint8_t reserved[2];
392 };
393
394 struct lpfc_fcf_conn_rec {
395 uint16_t flags;
396 #define FCFCNCT_VALID 0x0001
397 #define FCFCNCT_BOOT 0x0002
398 #define FCFCNCT_PRIMARY 0x0004 /* if not set, Secondary */
399 #define FCFCNCT_FBNM_VALID 0x0008
400 #define FCFCNCT_SWNM_VALID 0x0010
401 #define FCFCNCT_VLAN_VALID 0x0020
402 #define FCFCNCT_AM_VALID 0x0040
403 #define FCFCNCT_AM_PREFERRED 0x0080 /* if not set, AM Required */
404 #define FCFCNCT_AM_SPMA 0x0100 /* if not set, FPMA */
405
406 uint16_t vlan_tag;
407 uint8_t fabric_name[8];
408 uint8_t switch_name[8];
409 };
410
411 struct lpfc_fcf_conn_entry {
412 struct list_head list;
413 struct lpfc_fcf_conn_rec conn_rec;
414 };
415
416 /*
417 * Define the host's bootstrap mailbox. This structure contains
418 * the member attributes needed to create, use, and destroy the
419 * bootstrap mailbox region.
420 *
421 * The macro definitions for the bmbx data structure are defined
422 * in lpfc_hw4.h with the register definition.
423 */
424 struct lpfc_bmbx {
425 struct lpfc_dmabuf *dmabuf;
426 struct dma_address dma_address;
427 void *avirt;
428 dma_addr_t aphys;
429 uint32_t bmbx_size;
430 };
431
432 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
433
434 #define LPFC_EQE_SIZE_4B 4
435 #define LPFC_EQE_SIZE_16B 16
436 #define LPFC_CQE_SIZE 16
437 #define LPFC_WQE_SIZE 64
438 #define LPFC_WQE128_SIZE 128
439 #define LPFC_MQE_SIZE 256
440 #define LPFC_RQE_SIZE 8
441
442 #define LPFC_EQE_DEF_COUNT 1024
443 #define LPFC_CQE_DEF_COUNT 1024
444 #define LPFC_CQE_EXP_COUNT 4096
445 #define LPFC_WQE_DEF_COUNT 256
446 #define LPFC_WQE_EXP_COUNT 1024
447 #define LPFC_MQE_DEF_COUNT 16
448 #define LPFC_RQE_DEF_COUNT 512
449
450 #define LPFC_QUEUE_NOARM false
451 #define LPFC_QUEUE_REARM true
452
453
454 /*
455 * SLI4 CT field defines
456 */
457 #define SLI4_CT_RPI 0
458 #define SLI4_CT_VPI 1
459 #define SLI4_CT_VFI 2
460 #define SLI4_CT_FCFI 3
461
462 /*
463 * SLI4 specific data structures
464 */
465 struct lpfc_max_cfg_param {
466 uint16_t max_xri;
467 uint16_t xri_base;
468 uint16_t xri_used;
469 uint16_t max_rpi;
470 uint16_t rpi_base;
471 uint16_t rpi_used;
472 uint16_t max_vpi;
473 uint16_t vpi_base;
474 uint16_t vpi_used;
475 uint16_t max_vfi;
476 uint16_t vfi_base;
477 uint16_t vfi_used;
478 uint16_t max_fcfi;
479 uint16_t fcfi_used;
480 uint16_t max_eq;
481 uint16_t max_rq;
482 uint16_t max_cq;
483 uint16_t max_wq;
484 };
485
486 struct lpfc_hba;
487 /* SLI4 HBA multi-fcp queue handler struct */
488 #define LPFC_SLI4_HANDLER_NAME_SZ 16
489 struct lpfc_hba_eq_hdl {
490 uint32_t idx;
491 int irq;
492 char handler_name[LPFC_SLI4_HANDLER_NAME_SZ];
493 struct lpfc_hba *phba;
494 struct lpfc_queue *eq;
495 struct cpumask aff_mask;
496 };
497
498 #define lpfc_get_eq_hdl(eqidx) (&phba->sli4_hba.hba_eq_hdl[eqidx])
499 #define lpfc_get_aff_mask(eqidx) (&phba->sli4_hba.hba_eq_hdl[eqidx].aff_mask)
500 #define lpfc_get_irq(eqidx) (phba->sli4_hba.hba_eq_hdl[eqidx].irq)
501
502 /*BB Credit recovery value*/
503 struct lpfc_bbscn_params {
504 uint32_t word0;
505 #define lpfc_bbscn_min_SHIFT 0
506 #define lpfc_bbscn_min_MASK 0x0000000F
507 #define lpfc_bbscn_min_WORD word0
508 #define lpfc_bbscn_max_SHIFT 4
509 #define lpfc_bbscn_max_MASK 0x0000000F
510 #define lpfc_bbscn_max_WORD word0
511 #define lpfc_bbscn_def_SHIFT 8
512 #define lpfc_bbscn_def_MASK 0x0000000F
513 #define lpfc_bbscn_def_WORD word0
514 };
515
516 /* Port Capabilities for SLI4 Parameters */
517 struct lpfc_pc_sli4_params {
518 uint32_t supported;
519 uint32_t if_type;
520 uint32_t sli_rev;
521 uint32_t sli_family;
522 uint32_t featurelevel_1;
523 uint32_t featurelevel_2;
524 uint32_t proto_types;
525 #define LPFC_SLI4_PROTO_FCOE 0x0000001
526 #define LPFC_SLI4_PROTO_FC 0x0000002
527 #define LPFC_SLI4_PROTO_NIC 0x0000004
528 #define LPFC_SLI4_PROTO_ISCSI 0x0000008
529 #define LPFC_SLI4_PROTO_RDMA 0x0000010
530 uint32_t sge_supp_len;
531 uint32_t if_page_sz;
532 uint32_t rq_db_window;
533 uint32_t loopbk_scope;
534 uint32_t oas_supported;
535 uint32_t eq_pages_max;
536 uint32_t eqe_size;
537 uint32_t cq_pages_max;
538 uint32_t cqe_size;
539 uint32_t mq_pages_max;
540 uint32_t mqe_size;
541 uint32_t mq_elem_cnt;
542 uint32_t wq_pages_max;
543 uint32_t wqe_size;
544 uint32_t rq_pages_max;
545 uint32_t rqe_size;
546 uint32_t hdr_pages_max;
547 uint32_t hdr_size;
548 uint32_t hdr_pp_align;
549 uint32_t sgl_pages_max;
550 uint32_t sgl_pp_align;
551 uint32_t mib_size;
552 uint16_t mi_ver;
553 #define LPFC_MIB1_SUPPORT 1
554 #define LPFC_MIB2_SUPPORT 2
555 #define LPFC_MIB3_SUPPORT 3
556 uint16_t mi_value;
557 #define LPFC_DFLT_MIB_VAL 2
558 uint8_t mi_cap;
559 uint8_t mib_bde_cnt;
560 uint8_t cmf;
561 uint8_t cqv;
562 uint8_t mqv;
563 uint8_t wqv;
564 uint8_t rqv;
565 uint8_t eqav;
566 uint8_t cqav;
567 uint8_t wqsize;
568 uint8_t bv1s;
569 uint8_t pls;
570 #define LPFC_WQ_SZ64_SUPPORT 1
571 #define LPFC_WQ_SZ128_SUPPORT 2
572 uint8_t wqpcnt;
573 uint8_t nvme;
574 };
575
576 #define LPFC_CQ_4K_PAGE_SZ 0x1
577 #define LPFC_CQ_16K_PAGE_SZ 0x4
578 #define LPFC_WQ_4K_PAGE_SZ 0x1
579 #define LPFC_WQ_16K_PAGE_SZ 0x4
580
581 struct lpfc_iov {
582 uint32_t pf_number;
583 uint32_t vf_number;
584 };
585
586 struct lpfc_sli4_lnk_info {
587 uint8_t lnk_dv;
588 #define LPFC_LNK_DAT_INVAL 0
589 #define LPFC_LNK_DAT_VAL 1
590 uint8_t lnk_tp;
591 #define LPFC_LNK_GE 0x0 /* FCoE */
592 #define LPFC_LNK_FC 0x1 /* FC */
593 #define LPFC_LNK_FC_TRUNKED 0x2 /* FC_Trunked */
594 uint8_t lnk_no;
595 uint8_t optic_state;
596 };
597
598 #define LPFC_SLI4_HANDLER_CNT (LPFC_HBA_IO_CHAN_MAX+ \
599 LPFC_FOF_IO_CHAN_NUM)
600
601 /* Used for tracking CPU mapping attributes */
602 struct lpfc_vector_map_info {
603 uint16_t phys_id;
604 uint16_t core_id;
605 uint16_t eq;
606 uint16_t hdwq;
607 uint16_t flag;
608 #define LPFC_CPU_MAP_HYPER 0x1
609 #define LPFC_CPU_MAP_UNASSIGN 0x2
610 #define LPFC_CPU_FIRST_IRQ 0x4
611 };
612 #define LPFC_VECTOR_MAP_EMPTY 0xffff
613
614 #define LPFC_IRQ_EMPTY 0xffffffff
615
616 /* Multi-XRI pool */
617 #define XRI_BATCH 8
618
619 struct lpfc_pbl_pool {
620 struct list_head list;
621 u32 count;
622 spinlock_t lock; /* lock for pbl_pool*/
623 };
624
625 struct lpfc_pvt_pool {
626 u32 low_watermark;
627 u32 high_watermark;
628
629 struct list_head list;
630 u32 count;
631 spinlock_t lock; /* lock for pvt_pool */
632 };
633
634 struct lpfc_multixri_pool {
635 u32 xri_limit;
636
637 /* Starting point when searching a pbl_pool with round-robin method */
638 u32 rrb_next_hwqid;
639
640 /* Used by lpfc_adjust_pvt_pool_count.
641 * io_req_count is incremented by 1 during IO submission. The heartbeat
642 * handler uses these two variables to determine if pvt_pool is idle or
643 * busy.
644 */
645 u32 prev_io_req_count;
646 u32 io_req_count;
647
648 /* statistics */
649 u32 pbl_empty_count;
650 #ifdef LPFC_MXP_STAT
651 u32 above_limit_count;
652 u32 below_limit_count;
653 u32 local_pbl_hit_count;
654 u32 other_pbl_hit_count;
655 u32 stat_max_hwm;
656
657 #define LPFC_MXP_SNAPSHOT_TAKEN 3 /* snapshot is taken at 3rd heartbeats */
658 u32 stat_pbl_count;
659 u32 stat_pvt_count;
660 u32 stat_busy_count;
661 u32 stat_snapshot_taken;
662 #endif
663
664 /* TODO: Separate pvt_pool into get and put list */
665 struct lpfc_pbl_pool pbl_pool; /* Public free XRI pool */
666 struct lpfc_pvt_pool pvt_pool; /* Private free XRI pool */
667 };
668
669 struct lpfc_fc4_ctrl_stat {
670 u32 input_requests;
671 u32 output_requests;
672 u32 control_requests;
673 u32 io_cmpls;
674 };
675
676 #ifdef LPFC_HDWQ_LOCK_STAT
677 struct lpfc_lock_stat {
678 uint32_t alloc_xri_get;
679 uint32_t alloc_xri_put;
680 uint32_t free_xri;
681 uint32_t wq_access;
682 uint32_t alloc_pvt_pool;
683 uint32_t mv_from_pvt_pool;
684 uint32_t mv_to_pub_pool;
685 uint32_t mv_to_pvt_pool;
686 uint32_t free_pub_pool;
687 uint32_t free_pvt_pool;
688 };
689 #endif
690
691 struct lpfc_eq_intr_info {
692 struct list_head list;
693 uint32_t icnt;
694 };
695
696 /* SLI4 HBA data structure entries */
697 struct lpfc_sli4_hdw_queue {
698 /* Pointers to the constructed SLI4 queues */
699 struct lpfc_queue *hba_eq; /* Event queues for HBA */
700 struct lpfc_queue *io_cq; /* Fast-path FCP & NVME compl queue */
701 struct lpfc_queue *io_wq; /* Fast-path FCP & NVME work queue */
702 uint16_t io_cq_map;
703
704 /* Keep track of IO buffers for this hardware queue */
705 spinlock_t io_buf_list_get_lock; /* Common buf alloc list lock */
706 struct list_head lpfc_io_buf_list_get;
707 spinlock_t io_buf_list_put_lock; /* Common buf free list lock */
708 struct list_head lpfc_io_buf_list_put;
709 spinlock_t abts_io_buf_list_lock; /* list of aborted IOs */
710 struct list_head lpfc_abts_io_buf_list;
711 uint32_t total_io_bufs;
712 uint32_t get_io_bufs;
713 uint32_t put_io_bufs;
714 uint32_t empty_io_bufs;
715 uint32_t abts_scsi_io_bufs;
716 uint32_t abts_nvme_io_bufs;
717
718 /* Multi-XRI pool per HWQ */
719 struct lpfc_multixri_pool *p_multixri_pool;
720
721 /* FC-4 Stats counters */
722 struct lpfc_fc4_ctrl_stat nvme_cstat;
723 struct lpfc_fc4_ctrl_stat scsi_cstat;
724 #ifdef LPFC_HDWQ_LOCK_STAT
725 struct lpfc_lock_stat lock_conflict;
726 #endif
727
728 /* Per HDWQ pool resources */
729 struct list_head sgl_list;
730 struct list_head cmd_rsp_buf_list;
731
732 /* Lock for syncing Per HDWQ pool resources */
733 spinlock_t hdwq_lock;
734 };
735
736 #ifdef LPFC_HDWQ_LOCK_STAT
737 /* compile time trylock stats */
738 #define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \
739 { \
740 int only_once = 1; \
741 while (spin_trylock_irqsave(lock, flag) == 0) { \
742 if (only_once) { \
743 only_once = 0; \
744 qp->lock_conflict.lstat++; \
745 } \
746 } \
747 }
748 #define lpfc_qp_spin_lock(lock, qp, lstat) \
749 { \
750 int only_once = 1; \
751 while (spin_trylock(lock) == 0) { \
752 if (only_once) { \
753 only_once = 0; \
754 qp->lock_conflict.lstat++; \
755 } \
756 } \
757 }
758 #else
759 #define lpfc_qp_spin_lock_irqsave(lock, flag, qp, lstat) \
760 spin_lock_irqsave(lock, flag)
761 #define lpfc_qp_spin_lock(lock, qp, lstat) spin_lock(lock)
762 #endif
763
764 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
765 struct lpfc_hdwq_stat {
766 u32 hdwq_no;
767 u32 rcv_io;
768 u32 xmt_io;
769 u32 cmpl_io;
770 };
771 #endif
772
773 struct lpfc_sli4_hba {
774 void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
775 * config space registers
776 */
777 void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
778 * control registers
779 */
780 void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
781 * doorbell registers
782 */
783 void __iomem *dpp_regs_memmap_p; /* Kernel memory mapped address for
784 * dpp registers
785 */
786 union {
787 struct {
788 /* IF Type 0, BAR 0 PCI cfg space reg mem map */
789 void __iomem *UERRLOregaddr;
790 void __iomem *UERRHIregaddr;
791 void __iomem *UEMASKLOregaddr;
792 void __iomem *UEMASKHIregaddr;
793 } if_type0;
794 struct {
795 /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
796 void __iomem *STATUSregaddr;
797 void __iomem *CTRLregaddr;
798 void __iomem *ERR1regaddr;
799 #define SLIPORT_ERR1_REG_ERR_CODE_1 0x1
800 #define SLIPORT_ERR1_REG_ERR_CODE_2 0x2
801 void __iomem *ERR2regaddr;
802 #define SLIPORT_ERR2_REG_FW_RESTART 0x0
803 #define SLIPORT_ERR2_REG_FUNC_PROVISON 0x1
804 #define SLIPORT_ERR2_REG_FORCED_DUMP 0x2
805 #define SLIPORT_ERR2_REG_FAILURE_EQ 0x3
806 #define SLIPORT_ERR2_REG_FAILURE_CQ 0x4
807 #define SLIPORT_ERR2_REG_FAILURE_BUS 0x5
808 #define SLIPORT_ERR2_REG_FAILURE_RQ 0x6
809 void __iomem *EQDregaddr;
810 } if_type2;
811 } u;
812
813 /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
814 void __iomem *PSMPHRregaddr;
815
816 /* Well-known SLI INTF register memory map. */
817 void __iomem *SLIINTFregaddr;
818
819 /* IF type 0, BAR 1 function CSR register memory map */
820 void __iomem *ISRregaddr; /* HST_ISR register */
821 void __iomem *IMRregaddr; /* HST_IMR register */
822 void __iomem *ISCRregaddr; /* HST_ISCR register */
823 /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
824 void __iomem *RQDBregaddr; /* RQ_DOORBELL register */
825 void __iomem *WQDBregaddr; /* WQ_DOORBELL register */
826 void __iomem *CQDBregaddr; /* CQ_DOORBELL register */
827 void __iomem *EQDBregaddr; /* EQ_DOORBELL register */
828 void __iomem *MQDBregaddr; /* MQ_DOORBELL register */
829 void __iomem *BMBXregaddr; /* BootStrap MBX register */
830
831 uint32_t ue_mask_lo;
832 uint32_t ue_mask_hi;
833 uint32_t ue_to_sr;
834 uint32_t ue_to_rp;
835 struct lpfc_register sli_intf;
836 struct lpfc_pc_sli4_params pc_sli4_params;
837 struct lpfc_bbscn_params bbscn_params;
838 struct lpfc_hba_eq_hdl *hba_eq_hdl; /* HBA per-WQ handle */
839
840 void (*sli4_eq_clr_intr)(struct lpfc_queue *q);
841 void (*sli4_write_eq_db)(struct lpfc_hba *phba, struct lpfc_queue *eq,
842 uint32_t count, bool arm);
843 void (*sli4_write_cq_db)(struct lpfc_hba *phba, struct lpfc_queue *cq,
844 uint32_t count, bool arm);
845
846 /* Pointers to the constructed SLI4 queues */
847 struct lpfc_sli4_hdw_queue *hdwq;
848 struct list_head lpfc_wq_list;
849
850 /* Pointers to the constructed SLI4 queues for NVMET */
851 struct lpfc_queue **nvmet_cqset; /* Fast-path NVMET CQ Set queues */
852 struct lpfc_queue **nvmet_mrq_hdr; /* Fast-path NVMET hdr MRQs */
853 struct lpfc_queue **nvmet_mrq_data; /* Fast-path NVMET data MRQs */
854
855 struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
856 struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
857 struct lpfc_queue *nvmels_cq; /* NVME LS complete queue */
858 struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
859 struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
860 struct lpfc_queue *nvmels_wq; /* NVME LS work queue */
861 struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
862 struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
863
864 struct lpfc_name wwnn;
865 struct lpfc_name wwpn;
866
867 uint32_t fw_func_mode; /* FW function protocol mode */
868 uint32_t ulp0_mode; /* ULP0 protocol mode */
869 uint32_t ulp1_mode; /* ULP1 protocol mode */
870
871 /* Optimized Access Storage specific queues/structures */
872 uint64_t oas_next_lun;
873 uint8_t oas_next_tgt_wwpn[8];
874 uint8_t oas_next_vpt_wwpn[8];
875
876 /* Setup information for various queue parameters */
877 int eq_esize;
878 int eq_ecount;
879 int cq_esize;
880 int cq_ecount;
881 int wq_esize;
882 int wq_ecount;
883 int mq_esize;
884 int mq_ecount;
885 int rq_esize;
886 int rq_ecount;
887 #define LPFC_SP_EQ_MAX_INTR_SEC 10000
888 #define LPFC_FP_EQ_MAX_INTR_SEC 10000
889
890 uint32_t intr_enable;
891 struct lpfc_bmbx bmbx;
892 struct lpfc_max_cfg_param max_cfg_param;
893 uint16_t extents_in_use; /* must allocate resource extents. */
894 uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
895 uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
896 uint16_t next_rpi;
897 uint16_t io_xri_max;
898 uint16_t io_xri_cnt;
899 uint16_t io_xri_start;
900 uint16_t els_xri_cnt;
901 uint16_t nvmet_xri_cnt;
902 uint16_t nvmet_io_wait_cnt;
903 uint16_t nvmet_io_wait_total;
904 uint16_t cq_max;
905 struct lpfc_queue **cq_lookup;
906 struct list_head lpfc_els_sgl_list;
907 struct list_head lpfc_abts_els_sgl_list;
908 spinlock_t abts_io_buf_list_lock; /* list of aborted SCSI IOs */
909 struct list_head lpfc_abts_io_buf_list;
910 struct list_head lpfc_nvmet_sgl_list;
911 spinlock_t abts_nvmet_buf_list_lock; /* list of aborted NVMET IOs */
912 struct list_head lpfc_abts_nvmet_ctx_list;
913 spinlock_t t_active_list_lock; /* list of active NVMET IOs */
914 struct list_head t_active_ctx_list;
915 struct list_head lpfc_nvmet_io_wait_list;
916 struct lpfc_nvmet_ctx_info *nvmet_ctx_info;
917 struct lpfc_sglq **lpfc_sglq_active_list;
918 struct list_head lpfc_rpi_hdr_list;
919 unsigned long *rpi_bmask;
920 uint16_t *rpi_ids;
921 uint16_t rpi_count;
922 struct list_head lpfc_rpi_blk_list;
923 unsigned long *xri_bmask;
924 uint16_t *xri_ids;
925 struct list_head lpfc_xri_blk_list;
926 unsigned long *vfi_bmask;
927 uint16_t *vfi_ids;
928 uint16_t vfi_count;
929 struct list_head lpfc_vfi_blk_list;
930 struct lpfc_sli4_flags sli4_flags;
931 struct list_head sp_queue_event;
932 struct list_head sp_cqe_event_pool;
933 struct list_head sp_asynce_work_queue;
934 spinlock_t asynce_list_lock; /* protect sp_asynce_work_queue list */
935 struct list_head sp_els_xri_aborted_work_queue;
936 spinlock_t els_xri_abrt_list_lock; /* protect els_xri_aborted list */
937 struct list_head sp_unsol_work_queue;
938 struct lpfc_sli4_link link_state;
939 struct lpfc_sli4_lnk_info lnk_info;
940 uint32_t pport_name_sta;
941 #define LPFC_SLI4_PPNAME_NON 0
942 #define LPFC_SLI4_PPNAME_GET 1
943 struct lpfc_iov iov;
944 spinlock_t sgl_list_lock; /* list of aborted els IOs */
945 spinlock_t nvmet_io_wait_lock; /* IOs waiting for ctx resources */
946 uint32_t physical_port;
947
948 /* CPU to vector mapping information */
949 struct lpfc_vector_map_info *cpu_map;
950 uint16_t num_possible_cpu;
951 uint16_t num_present_cpu;
952 struct cpumask irq_aff_mask;
953 uint16_t curr_disp_cpu;
954 struct lpfc_eq_intr_info __percpu *eq_info;
955 #ifdef CONFIG_SCSI_LPFC_DEBUG_FS
956 struct lpfc_hdwq_stat __percpu *c_stat;
957 #endif
958 struct lpfc_idle_stat *idle_stat;
959 uint32_t conf_trunk;
960 #define lpfc_conf_trunk_port0_WORD conf_trunk
961 #define lpfc_conf_trunk_port0_SHIFT 0
962 #define lpfc_conf_trunk_port0_MASK 0x1
963 #define lpfc_conf_trunk_port1_WORD conf_trunk
964 #define lpfc_conf_trunk_port1_SHIFT 1
965 #define lpfc_conf_trunk_port1_MASK 0x1
966 #define lpfc_conf_trunk_port2_WORD conf_trunk
967 #define lpfc_conf_trunk_port2_SHIFT 2
968 #define lpfc_conf_trunk_port2_MASK 0x1
969 #define lpfc_conf_trunk_port3_WORD conf_trunk
970 #define lpfc_conf_trunk_port3_SHIFT 3
971 #define lpfc_conf_trunk_port3_MASK 0x1
972 #define lpfc_conf_trunk_port0_nd_WORD conf_trunk
973 #define lpfc_conf_trunk_port0_nd_SHIFT 4
974 #define lpfc_conf_trunk_port0_nd_MASK 0x1
975 #define lpfc_conf_trunk_port1_nd_WORD conf_trunk
976 #define lpfc_conf_trunk_port1_nd_SHIFT 5
977 #define lpfc_conf_trunk_port1_nd_MASK 0x1
978 #define lpfc_conf_trunk_port2_nd_WORD conf_trunk
979 #define lpfc_conf_trunk_port2_nd_SHIFT 6
980 #define lpfc_conf_trunk_port2_nd_MASK 0x1
981 #define lpfc_conf_trunk_port3_nd_WORD conf_trunk
982 #define lpfc_conf_trunk_port3_nd_SHIFT 7
983 #define lpfc_conf_trunk_port3_nd_MASK 0x1
984 uint8_t flash_id;
985 uint8_t asic_rev;
986 uint16_t fawwpn_flag; /* FA-WWPN support state */
987 #define LPFC_FAWWPN_CONFIG 0x1 /* FA-PWWN is configured */
988 #define LPFC_FAWWPN_FABRIC 0x2 /* FA-PWWN success with Fabric */
989 };
990
991 enum lpfc_sge_type {
992 GEN_BUFF_TYPE,
993 SCSI_BUFF_TYPE,
994 NVMET_BUFF_TYPE
995 };
996
997 enum lpfc_sgl_state {
998 SGL_FREED,
999 SGL_ALLOCATED,
1000 SGL_XRI_ABORTED
1001 };
1002
1003 struct lpfc_sglq {
1004 /* lpfc_sglqs are used in double linked lists */
1005 struct list_head list;
1006 struct list_head clist;
1007 enum lpfc_sge_type buff_type; /* is this a scsi sgl */
1008 enum lpfc_sgl_state state;
1009 struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
1010 uint16_t iotag; /* pre-assigned IO tag */
1011 uint16_t sli4_lxritag; /* logical pre-assigned xri. */
1012 uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */
1013 struct sli4_sge *sgl; /* pre-assigned SGL */
1014 void *virt; /* virtual address. */
1015 dma_addr_t phys; /* physical address */
1016 };
1017
1018 struct lpfc_rpi_hdr {
1019 struct list_head list;
1020 uint32_t len;
1021 struct lpfc_dmabuf *dmabuf;
1022 uint32_t page_count;
1023 uint32_t start_rpi;
1024 uint16_t next_rpi;
1025 };
1026
1027 struct lpfc_rsrc_blks {
1028 struct list_head list;
1029 uint16_t rsrc_start;
1030 uint16_t rsrc_size;
1031 uint16_t rsrc_used;
1032 };
1033
1034 struct lpfc_rdp_context {
1035 struct lpfc_nodelist *ndlp;
1036 uint16_t ox_id;
1037 uint16_t rx_id;
1038 READ_LNK_VAR link_stat;
1039 uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
1040 uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
1041 void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
1042 };
1043
1044 struct lpfc_lcb_context {
1045 uint8_t sub_command;
1046 uint8_t type;
1047 uint8_t capability;
1048 uint8_t frequency;
1049 uint16_t duration;
1050 uint16_t ox_id;
1051 uint16_t rx_id;
1052 struct lpfc_nodelist *ndlp;
1053 };
1054
1055
1056 /*
1057 * SLI4 specific function prototypes
1058 */
1059 int lpfc_pci_function_reset(struct lpfc_hba *);
1060 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
1061 int lpfc_sli4_hba_setup(struct lpfc_hba *);
1062 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
1063 uint8_t, uint32_t, bool);
1064 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
1065 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
1066 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
1067 struct lpfc_mbx_sge *);
1068 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
1069 uint16_t);
1070
1071 void lpfc_sli4_hba_reset(struct lpfc_hba *);
1072 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *phba,
1073 uint32_t page_size,
1074 uint32_t entry_size,
1075 uint32_t entry_count, int cpu);
1076 void lpfc_sli4_queue_free(struct lpfc_queue *);
1077 int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
1078 void lpfc_modify_hba_eq_delay(struct lpfc_hba *phba, uint32_t startq,
1079 uint32_t numq, uint32_t usdelay);
1080 int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
1081 struct lpfc_queue *, uint32_t, uint32_t);
1082 int lpfc_cq_create_set(struct lpfc_hba *phba, struct lpfc_queue **cqp,
1083 struct lpfc_sli4_hdw_queue *hdwq, uint32_t type,
1084 uint32_t subtype);
1085 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
1086 struct lpfc_queue *, uint32_t);
1087 int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
1088 struct lpfc_queue *, uint32_t);
1089 int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
1090 struct lpfc_queue *, struct lpfc_queue *, uint32_t);
1091 int lpfc_mrq_create(struct lpfc_hba *phba, struct lpfc_queue **hrqp,
1092 struct lpfc_queue **drqp, struct lpfc_queue **cqp,
1093 uint32_t subtype);
1094 int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1095 int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1096 int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1097 int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
1098 int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
1099 struct lpfc_queue *);
1100 int lpfc_sli4_queue_setup(struct lpfc_hba *);
1101 void lpfc_sli4_queue_unset(struct lpfc_hba *);
1102 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
1103 int lpfc_repost_io_sgl_list(struct lpfc_hba *phba);
1104 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
1105 void lpfc_sli4_free_xri(struct lpfc_hba *, int);
1106 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
1107 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
1108 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
1109 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
1110 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
1111 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
1112 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
1113 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
1114 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
1115 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
1116 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
1117 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
1118 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
1119 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
1120 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
1121 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp,
1122 void (*cmpl)(struct lpfc_hba *, LPFC_MBOXQ_t *),
1123 struct lpfc_iocbq *iocbq);
1124 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *phba);
1125 void lpfc_sli4_nvme_pci_offline_aborted(struct lpfc_hba *phba,
1126 struct lpfc_io_buf *lpfc_ncmd);
1127 void lpfc_sli4_nvme_xri_aborted(struct lpfc_hba *phba,
1128 struct sli4_wcqe_xri_aborted *axri,
1129 struct lpfc_io_buf *lpfc_ncmd);
1130 void lpfc_sli4_io_xri_aborted(struct lpfc_hba *phba,
1131 struct sli4_wcqe_xri_aborted *axri, int idx);
1132 void lpfc_sli4_nvmet_xri_aborted(struct lpfc_hba *phba,
1133 struct sli4_wcqe_xri_aborted *axri);
1134 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
1135 struct sli4_wcqe_xri_aborted *);
1136 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
1137 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
1138 int lpfc_sli4_brdreset(struct lpfc_hba *);
1139 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
1140 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
1141 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
1142 int lpfc_sli4_get_iocb_cnt(struct lpfc_hba *phba);
1143 int lpfc_sli4_init_vpi(struct lpfc_vport *);
1144 void lpfc_sli4_eq_clr_intr(struct lpfc_queue *);
1145 void lpfc_sli4_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1146 uint32_t count, bool arm);
1147 void lpfc_sli4_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1148 uint32_t count, bool arm);
1149 void lpfc_sli4_if6_eq_clr_intr(struct lpfc_queue *q);
1150 void lpfc_sli4_if6_write_cq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1151 uint32_t count, bool arm);
1152 void lpfc_sli4_if6_write_eq_db(struct lpfc_hba *phba, struct lpfc_queue *q,
1153 uint32_t count, bool arm);
1154 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
1155 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
1156 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
1157 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
1158 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1159 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1160 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
1161 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
1162 int lpfc_sli4_post_status_check(struct lpfc_hba *);
1163 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
1164 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
1165 void lpfc_sli4_ras_dma_free(struct lpfc_hba *phba);
1166 struct sli4_hybrid_sgl *lpfc_get_sgl_per_hdwq(struct lpfc_hba *phba,
1167 struct lpfc_io_buf *buf);
1168 struct fcp_cmd_rsp_buf *lpfc_get_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
1169 struct lpfc_io_buf *buf);
1170 int lpfc_put_sgl_per_hdwq(struct lpfc_hba *phba, struct lpfc_io_buf *buf);
1171 int lpfc_put_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
1172 struct lpfc_io_buf *buf);
1173 void lpfc_free_sgl_per_hdwq(struct lpfc_hba *phba,
1174 struct lpfc_sli4_hdw_queue *hdwq);
1175 void lpfc_free_cmd_rsp_buf_per_hdwq(struct lpfc_hba *phba,
1176 struct lpfc_sli4_hdw_queue *hdwq);
lpfc_sli4_qe(struct lpfc_queue * q,uint16_t idx)1177 static inline void *lpfc_sli4_qe(struct lpfc_queue *q, uint16_t idx)
1178 {
1179 return q->q_pgs[idx / q->entry_cnt_per_pg] +
1180 (q->entry_size * (idx % q->entry_cnt_per_pg));
1181 }
1182
1183 /**
1184 * lpfc_sli4_unrecoverable_port - Check ERR and RN bits in portstat_reg
1185 * @portstat_reg: portstat_reg pointer containing portstat_reg contents
1186 *
1187 * Description:
1188 * Use only for SLI4 interface type-2 or later. If ERR is set && RN is 0, then
1189 * port is deemed unrecoverable.
1190 *
1191 * Returns:
1192 * true - ERR && !RN
1193 * false - otherwise
1194 */
1195 static inline bool
lpfc_sli4_unrecoverable_port(struct lpfc_register * portstat_reg)1196 lpfc_sli4_unrecoverable_port(struct lpfc_register *portstat_reg)
1197 {
1198 return bf_get(lpfc_sliport_status_err, portstat_reg) &&
1199 !bf_get(lpfc_sliport_status_rn, portstat_reg);
1200 }
1201