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spi-topcliff-pch: add recovery processing in case wait-event timeout
[zen-stable.git] / drivers / scsi / lpfc / lpfc_sli4.h
blob3f266e2c54e0d7f57131b91b4aa3bb1dd1dc9cf6
1 /*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
4 * Copyright (C) 2009-2011 Emulex. All rights reserved. *
5 * EMULEX and SLI are trademarks of Emulex. *
6 * www.emulex.com *
7 * *
8 * This program is free software; you can redistribute it and/or *
9 * modify it under the terms of version 2 of the GNU General *
10 * Public License as published by the Free Software Foundation. *
11 * This program is distributed in the hope that it will be useful. *
12 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
13 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
14 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
15 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
16 * TO BE LEGALLY INVALID. See the GNU General Public License for *
17 * more details, a copy of which can be found in the file COPYING *
18 * included with this package. *
19 *******************************************************************/
20
21 #define LPFC_ACTIVE_MBOX_WAIT_CNT 100
22 #define LPFC_XRI_EXCH_BUSY_WAIT_TMO 10000
23 #define LPFC_XRI_EXCH_BUSY_WAIT_T1 10
24 #define LPFC_XRI_EXCH_BUSY_WAIT_T2 30000
25 #define LPFC_RELEASE_NOTIFICATION_INTERVAL 32
26 #define LPFC_RPI_LOW_WATER_MARK 10
27
28 #define LPFC_UNREG_FCF 1
29 #define LPFC_SKIP_UNREG_FCF 0
30
31 /* Amount of time in seconds for waiting FCF rediscovery to complete */
32 #define LPFC_FCF_REDISCOVER_WAIT_TMO 2000 /* msec */
33
34 /* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
35 #define LPFC_NEMBED_MBOX_SGL_CNT 254
36
37 /* Multi-queue arrangement for fast-path FCP work queues */
38 #define LPFC_FN_EQN_MAX 8
39 #define LPFC_SP_EQN_DEF 1
40 #define LPFC_FP_EQN_DEF 4
41 #define LPFC_FP_EQN_MIN 1
42 #define LPFC_FP_EQN_MAX (LPFC_FN_EQN_MAX - LPFC_SP_EQN_DEF)
43
44 #define LPFC_FN_WQN_MAX 32
45 #define LPFC_SP_WQN_DEF 1
46 #define LPFC_FP_WQN_DEF 4
47 #define LPFC_FP_WQN_MIN 1
48 #define LPFC_FP_WQN_MAX (LPFC_FN_WQN_MAX - LPFC_SP_WQN_DEF)
49
50 /*
51 * Provide the default FCF Record attributes used by the driver
52 * when nonFIP mode is configured and there is no other default
53 * FCF Record attributes.
54 */
55 #define LPFC_FCOE_FCF_DEF_INDEX 0
56 #define LPFC_FCOE_FCF_GET_FIRST 0xFFFF
57 #define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF
58
59 #define LPFC_FCOE_NULL_VID 0xFFF
60 #define LPFC_FCOE_IGNORE_VID 0xFFFF
61
62 /* First 3 bytes of default FCF MAC is specified by FC_MAP */
63 #define LPFC_FCOE_FCF_MAC3 0xFF
64 #define LPFC_FCOE_FCF_MAC4 0xFF
65 #define LPFC_FCOE_FCF_MAC5 0xFE
66 #define LPFC_FCOE_FCF_MAP0 0x0E
67 #define LPFC_FCOE_FCF_MAP1 0xFC
68 #define LPFC_FCOE_FCF_MAP2 0x00
69 #define LPFC_FCOE_MAX_RCV_SIZE 0x800
70 #define LPFC_FCOE_FKA_ADV_PER 0
71 #define LPFC_FCOE_FIP_PRIORITY 0x80
72
73 #define sli4_sid_from_fc_hdr(fc_hdr) \
74 ((fc_hdr)->fh_s_id[0] << 16 | \
75 (fc_hdr)->fh_s_id[1] << 8 | \
76 (fc_hdr)->fh_s_id[2])
77
78 #define sli4_fctl_from_fc_hdr(fc_hdr) \
79 ((fc_hdr)->fh_f_ctl[0] << 16 | \
80 (fc_hdr)->fh_f_ctl[1] << 8 | \
81 (fc_hdr)->fh_f_ctl[2])
82
83 #define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
84
85 enum lpfc_sli4_queue_type {
86 LPFC_EQ,
87 LPFC_GCQ,
88 LPFC_MCQ,
89 LPFC_WCQ,
90 LPFC_RCQ,
91 LPFC_MQ,
92 LPFC_WQ,
93 LPFC_HRQ,
94 LPFC_DRQ
95 };
96
97 /* The queue sub-type defines the functional purpose of the queue */
98 enum lpfc_sli4_queue_subtype {
99 LPFC_NONE,
100 LPFC_MBOX,
101 LPFC_FCP,
102 LPFC_ELS,
103 LPFC_USOL
104 };
105
106 union sli4_qe {
107 void *address;
108 struct lpfc_eqe *eqe;
109 struct lpfc_cqe *cqe;
110 struct lpfc_mcqe *mcqe;
111 struct lpfc_wcqe_complete *wcqe_complete;
112 struct lpfc_wcqe_release *wcqe_release;
113 struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
114 struct lpfc_rcqe_complete *rcqe_complete;
115 struct lpfc_mqe *mqe;
116 union lpfc_wqe *wqe;
117 struct lpfc_rqe *rqe;
118 };
119
120 struct lpfc_queue {
121 struct list_head list;
122 enum lpfc_sli4_queue_type type;
123 enum lpfc_sli4_queue_subtype subtype;
124 struct lpfc_hba *phba;
125 struct list_head child_list;
126 uint32_t entry_count; /* Number of entries to support on the queue */
127 uint32_t entry_size; /* Size of each queue entry. */
128 uint32_t entry_repost; /* Count of entries before doorbell is rung */
129 #define LPFC_QUEUE_MIN_REPOST 8
130 uint32_t queue_id; /* Queue ID assigned by the hardware */
131 uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */
132 struct list_head page_list;
133 uint32_t page_count; /* Number of pages allocated for this queue */
134 uint32_t host_index; /* The host's index for putting or getting */
135 uint32_t hba_index; /* The last known hba index for get or put */
136 union sli4_qe qe[1]; /* array to index entries (must be last) */
137 };
138
139 struct lpfc_sli4_link {
140 uint8_t speed;
141 uint8_t duplex;
142 uint8_t status;
143 uint8_t type;
144 uint8_t number;
145 uint8_t fault;
146 uint16_t logical_speed;
147 uint16_t topology;
148 };
149
150 struct lpfc_fcf_rec {
151 uint8_t fabric_name[8];
152 uint8_t switch_name[8];
153 uint8_t mac_addr[6];
154 uint16_t fcf_indx;
155 uint32_t priority;
156 uint16_t vlan_id;
157 uint32_t addr_mode;
158 uint32_t flag;
159 #define BOOT_ENABLE 0x01
160 #define RECORD_VALID 0x02
161 };
162
163 struct lpfc_fcf_pri_rec {
164 uint16_t fcf_index;
165 #define LPFC_FCF_ON_PRI_LIST 0x0001
166 #define LPFC_FCF_FLOGI_FAILED 0x0002
167 uint16_t flag;
168 uint32_t priority;
169 };
170
171 struct lpfc_fcf_pri {
172 struct list_head list;
173 struct lpfc_fcf_pri_rec fcf_rec;
174 };
175
176 /*
177 * Maximum FCF table index, it is for driver internal book keeping, it
178 * just needs to be no less than the supported HBA's FCF table size.
179 */
180 #define LPFC_SLI4_FCF_TBL_INDX_MAX 32
181
182 struct lpfc_fcf {
183 uint16_t fcfi;
184 uint32_t fcf_flag;
185 #define FCF_AVAILABLE 0x01 /* FCF available for discovery */
186 #define FCF_REGISTERED 0x02 /* FCF registered with FW */
187 #define FCF_SCAN_DONE 0x04 /* FCF table scan done */
188 #define FCF_IN_USE 0x08 /* Atleast one discovery completed */
189 #define FCF_INIT_DISC 0x10 /* Initial FCF discovery */
190 #define FCF_DEAD_DISC 0x20 /* FCF DEAD fast FCF failover discovery */
191 #define FCF_ACVL_DISC 0x40 /* All CVL fast FCF failover discovery */
192 #define FCF_DISCOVERY (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
193 #define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
194 #define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */
195 #define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */
196 #define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
197 uint32_t addr_mode;
198 uint32_t eligible_fcf_cnt;
199 struct lpfc_fcf_rec current_rec;
200 struct lpfc_fcf_rec failover_rec;
201 struct list_head fcf_pri_list;
202 struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
203 uint32_t current_fcf_scan_pri;
204 struct timer_list redisc_wait;
205 unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
206 };
207
208
209 #define LPFC_REGION23_SIGNATURE "RG23"
210 #define LPFC_REGION23_VERSION 1
211 #define LPFC_REGION23_LAST_REC 0xff
212 #define DRIVER_SPECIFIC_TYPE 0xA2
213 #define LINUX_DRIVER_ID 0x20
214 #define PORT_STE_TYPE 0x1
215
216 struct lpfc_fip_param_hdr {
217 uint8_t type;
218 #define FCOE_PARAM_TYPE 0xA0
219 uint8_t length;
220 #define FCOE_PARAM_LENGTH 2
221 uint8_t parm_version;
222 #define FIPP_VERSION 0x01
223 uint8_t parm_flags;
224 #define lpfc_fip_param_hdr_fipp_mode_SHIFT 6
225 #define lpfc_fip_param_hdr_fipp_mode_MASK 0x3
226 #define lpfc_fip_param_hdr_fipp_mode_WORD parm_flags
227 #define FIPP_MODE_ON 0x1
228 #define FIPP_MODE_OFF 0x0
229 #define FIPP_VLAN_VALID 0x1
230 };
231
232 struct lpfc_fcoe_params {
233 uint8_t fc_map[3];
234 uint8_t reserved1;
235 uint16_t vlan_tag;
236 uint8_t reserved[2];
237 };
238
239 struct lpfc_fcf_conn_hdr {
240 uint8_t type;
241 #define FCOE_CONN_TBL_TYPE 0xA1
242 uint8_t length; /* words */
243 uint8_t reserved[2];
244 };
245
246 struct lpfc_fcf_conn_rec {
247 uint16_t flags;
248 #define FCFCNCT_VALID 0x0001
249 #define FCFCNCT_BOOT 0x0002
250 #define FCFCNCT_PRIMARY 0x0004 /* if not set, Secondary */
251 #define FCFCNCT_FBNM_VALID 0x0008
252 #define FCFCNCT_SWNM_VALID 0x0010
253 #define FCFCNCT_VLAN_VALID 0x0020
254 #define FCFCNCT_AM_VALID 0x0040
255 #define FCFCNCT_AM_PREFERRED 0x0080 /* if not set, AM Required */
256 #define FCFCNCT_AM_SPMA 0x0100 /* if not set, FPMA */
257
258 uint16_t vlan_tag;
259 uint8_t fabric_name[8];
260 uint8_t switch_name[8];
261 };
262
263 struct lpfc_fcf_conn_entry {
264 struct list_head list;
265 struct lpfc_fcf_conn_rec conn_rec;
266 };
267
268 /*
269 * Define the host's bootstrap mailbox. This structure contains
270 * the member attributes needed to create, use, and destroy the
271 * bootstrap mailbox region.
272 *
273 * The macro definitions for the bmbx data structure are defined
274 * in lpfc_hw4.h with the register definition.
275 */
276 struct lpfc_bmbx {
277 struct lpfc_dmabuf *dmabuf;
278 struct dma_address dma_address;
279 void *avirt;
280 dma_addr_t aphys;
281 uint32_t bmbx_size;
282 };
283
284 #define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
285
286 #define LPFC_EQE_SIZE_4B 4
287 #define LPFC_EQE_SIZE_16B 16
288 #define LPFC_CQE_SIZE 16
289 #define LPFC_WQE_SIZE 64
290 #define LPFC_MQE_SIZE 256
291 #define LPFC_RQE_SIZE 8
292
293 #define LPFC_EQE_DEF_COUNT 1024
294 #define LPFC_CQE_DEF_COUNT 1024
295 #define LPFC_WQE_DEF_COUNT 256
296 #define LPFC_MQE_DEF_COUNT 16
297 #define LPFC_RQE_DEF_COUNT 512
298
299 #define LPFC_QUEUE_NOARM false
300 #define LPFC_QUEUE_REARM true
301
302
303 /*
304 * SLI4 CT field defines
305 */
306 #define SLI4_CT_RPI 0
307 #define SLI4_CT_VPI 1
308 #define SLI4_CT_VFI 2
309 #define SLI4_CT_FCFI 3
310
311 #define LPFC_SLI4_FL1_MAX_SEGMENT_SIZE 0x10000
312 #define LPFC_SLI4_FL1_MAX_BUF_SIZE 0X2000
313 #define LPFC_SLI4_MIN_BUF_SIZE 0x400
314 #define LPFC_SLI4_MAX_BUF_SIZE 0x20000
315
316 /*
317 * SLI4 specific data structures
318 */
319 struct lpfc_max_cfg_param {
320 uint16_t max_xri;
321 uint16_t xri_base;
322 uint16_t xri_used;
323 uint16_t max_rpi;
324 uint16_t rpi_base;
325 uint16_t rpi_used;
326 uint16_t max_vpi;
327 uint16_t vpi_base;
328 uint16_t vpi_used;
329 uint16_t max_vfi;
330 uint16_t vfi_base;
331 uint16_t vfi_used;
332 uint16_t max_fcfi;
333 uint16_t fcfi_used;
334 uint16_t max_eq;
335 uint16_t max_rq;
336 uint16_t max_cq;
337 uint16_t max_wq;
338 };
339
340 struct lpfc_hba;
341 /* SLI4 HBA multi-fcp queue handler struct */
342 struct lpfc_fcp_eq_hdl {
343 uint32_t idx;
344 struct lpfc_hba *phba;
345 };
346
347 /* Port Capabilities for SLI4 Parameters */
348 struct lpfc_pc_sli4_params {
349 uint32_t supported;
350 uint32_t if_type;
351 uint32_t sli_rev;
352 uint32_t sli_family;
353 uint32_t featurelevel_1;
354 uint32_t featurelevel_2;
355 uint32_t proto_types;
356 #define LPFC_SLI4_PROTO_FCOE 0x0000001
357 #define LPFC_SLI4_PROTO_FC 0x0000002
358 #define LPFC_SLI4_PROTO_NIC 0x0000004
359 #define LPFC_SLI4_PROTO_ISCSI 0x0000008
360 #define LPFC_SLI4_PROTO_RDMA 0x0000010
361 uint32_t sge_supp_len;
362 uint32_t if_page_sz;
363 uint32_t rq_db_window;
364 uint32_t loopbk_scope;
365 uint32_t eq_pages_max;
366 uint32_t eqe_size;
367 uint32_t cq_pages_max;
368 uint32_t cqe_size;
369 uint32_t mq_pages_max;
370 uint32_t mqe_size;
371 uint32_t mq_elem_cnt;
372 uint32_t wq_pages_max;
373 uint32_t wqe_size;
374 uint32_t rq_pages_max;
375 uint32_t rqe_size;
376 uint32_t hdr_pages_max;
377 uint32_t hdr_size;
378 uint32_t hdr_pp_align;
379 uint32_t sgl_pages_max;
380 uint32_t sgl_pp_align;
381 uint8_t cqv;
382 uint8_t mqv;
383 uint8_t wqv;
384 uint8_t rqv;
385 };
386
387 struct lpfc_iov {
388 uint32_t pf_number;
389 uint32_t vf_number;
390 };
391
392 struct lpfc_sli4_lnk_info {
393 uint8_t lnk_dv;
394 #define LPFC_LNK_DAT_INVAL 0
395 #define LPFC_LNK_DAT_VAL 1
396 uint8_t lnk_tp;
397 #define LPFC_LNK_GE 0x0 /* FCoE */
398 #define LPFC_LNK_FC 0x1 /* FC */
399 uint8_t lnk_no;
400 };
401
402 /* SLI4 HBA data structure entries */
403 struct lpfc_sli4_hba {
404 void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
405 PCI BAR0, config space registers */
406 void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
407 PCI BAR1, control registers */
408 void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
409 PCI BAR2, doorbell registers */
410 union {
411 struct {
412 /* IF Type 0, BAR 0 PCI cfg space reg mem map */
413 void __iomem *UERRLOregaddr;
414 void __iomem *UERRHIregaddr;
415 void __iomem *UEMASKLOregaddr;
416 void __iomem *UEMASKHIregaddr;
417 } if_type0;
418 struct {
419 /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
420 void __iomem *STATUSregaddr;
421 void __iomem *CTRLregaddr;
422 void __iomem *ERR1regaddr;
423 #define SLIPORT_ERR1_REG_ERR_CODE_1 0x1
424 #define SLIPORT_ERR1_REG_ERR_CODE_2 0x2
425 void __iomem *ERR2regaddr;
426 #define SLIPORT_ERR2_REG_FW_RESTART 0x0
427 #define SLIPORT_ERR2_REG_FUNC_PROVISON 0x1
428 #define SLIPORT_ERR2_REG_FORCED_DUMP 0x2
429 #define SLIPORT_ERR2_REG_FAILURE_EQ 0x3
430 #define SLIPORT_ERR2_REG_FAILURE_CQ 0x4
431 #define SLIPORT_ERR2_REG_FAILURE_BUS 0x5
432 #define SLIPORT_ERR2_REG_FAILURE_RQ 0x6
433 } if_type2;
434 } u;
435
436 /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
437 void __iomem *PSMPHRregaddr;
438
439 /* Well-known SLI INTF register memory map. */
440 void __iomem *SLIINTFregaddr;
441
442 /* IF type 0, BAR 1 function CSR register memory map */
443 void __iomem *ISRregaddr; /* HST_ISR register */
444 void __iomem *IMRregaddr; /* HST_IMR register */
445 void __iomem *ISCRregaddr; /* HST_ISCR register */
446 /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
447 void __iomem *RQDBregaddr; /* RQ_DOORBELL register */
448 void __iomem *WQDBregaddr; /* WQ_DOORBELL register */
449 void __iomem *EQCQDBregaddr; /* EQCQ_DOORBELL register */
450 void __iomem *MQDBregaddr; /* MQ_DOORBELL register */
451 void __iomem *BMBXregaddr; /* BootStrap MBX register */
452
453 uint32_t ue_mask_lo;
454 uint32_t ue_mask_hi;
455 struct lpfc_register sli_intf;
456 struct lpfc_pc_sli4_params pc_sli4_params;
457 struct msix_entry *msix_entries;
458 uint32_t cfg_eqn;
459 uint32_t msix_vec_nr;
460 struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
461 /* Pointers to the constructed SLI4 queues */
462 struct lpfc_queue **fp_eq; /* Fast-path event queue */
463 struct lpfc_queue *sp_eq; /* Slow-path event queue */
464 struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */
465 struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
466 struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
467 struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
468 struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
469 struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */
470 struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
471 struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
472
473 /* Setup information for various queue parameters */
474 int eq_esize;
475 int eq_ecount;
476 int cq_esize;
477 int cq_ecount;
478 int wq_esize;
479 int wq_ecount;
480 int mq_esize;
481 int mq_ecount;
482 int rq_esize;
483 int rq_ecount;
484 #define LPFC_SP_EQ_MAX_INTR_SEC 10000
485 #define LPFC_FP_EQ_MAX_INTR_SEC 10000
486
487 uint32_t intr_enable;
488 struct lpfc_bmbx bmbx;
489 struct lpfc_max_cfg_param max_cfg_param;
490 uint16_t extents_in_use; /* must allocate resource extents. */
491 uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
492 uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
493 uint16_t next_rpi;
494 uint16_t scsi_xri_max;
495 uint16_t scsi_xri_cnt;
496 uint16_t scsi_xri_start;
497 struct list_head lpfc_free_sgl_list;
498 struct list_head lpfc_sgl_list;
499 struct lpfc_sglq **lpfc_els_sgl_array;
500 struct list_head lpfc_abts_els_sgl_list;
501 struct lpfc_scsi_buf **lpfc_scsi_psb_array;
502 struct list_head lpfc_abts_scsi_buf_list;
503 uint32_t total_sglq_bufs;
504 struct lpfc_sglq **lpfc_sglq_active_list;
505 struct list_head lpfc_rpi_hdr_list;
506 unsigned long *rpi_bmask;
507 uint16_t *rpi_ids;
508 uint16_t rpi_count;
509 struct list_head lpfc_rpi_blk_list;
510 unsigned long *xri_bmask;
511 uint16_t *xri_ids;
512 uint16_t xri_count;
513 struct list_head lpfc_xri_blk_list;
514 unsigned long *vfi_bmask;
515 uint16_t *vfi_ids;
516 uint16_t vfi_count;
517 struct list_head lpfc_vfi_blk_list;
518 struct lpfc_sli4_flags sli4_flags;
519 struct list_head sp_queue_event;
520 struct list_head sp_cqe_event_pool;
521 struct list_head sp_asynce_work_queue;
522 struct list_head sp_fcp_xri_aborted_work_queue;
523 struct list_head sp_els_xri_aborted_work_queue;
524 struct list_head sp_unsol_work_queue;
525 struct lpfc_sli4_link link_state;
526 struct lpfc_sli4_lnk_info lnk_info;
527 uint32_t pport_name_sta;
528 #define LPFC_SLI4_PPNAME_NON 0
529 #define LPFC_SLI4_PPNAME_GET 1
530 struct lpfc_iov iov;
531 spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
532 spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
533 };
534
535 enum lpfc_sge_type {
536 GEN_BUFF_TYPE,
537 SCSI_BUFF_TYPE
538 };
539
540 enum lpfc_sgl_state {
541 SGL_FREED,
542 SGL_ALLOCATED,
543 SGL_XRI_ABORTED
544 };
545
546 struct lpfc_sglq {
547 /* lpfc_sglqs are used in double linked lists */
548 struct list_head list;
549 struct list_head clist;
550 enum lpfc_sge_type buff_type; /* is this a scsi sgl */
551 enum lpfc_sgl_state state;
552 struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
553 uint16_t iotag; /* pre-assigned IO tag */
554 uint16_t sli4_lxritag; /* logical pre-assigned xri. */
555 uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */
556 struct sli4_sge *sgl; /* pre-assigned SGL */
557 void *virt; /* virtual address. */
558 dma_addr_t phys; /* physical address */
559 };
560
561 struct lpfc_rpi_hdr {
562 struct list_head list;
563 uint32_t len;
564 struct lpfc_dmabuf *dmabuf;
565 uint32_t page_count;
566 uint32_t start_rpi;
567 };
568
569 struct lpfc_rsrc_blks {
570 struct list_head list;
571 uint16_t rsrc_start;
572 uint16_t rsrc_size;
573 uint16_t rsrc_used;
574 };
575
576 /*
577 * SLI4 specific function prototypes
578 */
579 int lpfc_pci_function_reset(struct lpfc_hba *);
580 int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
581 int lpfc_sli4_hba_setup(struct lpfc_hba *);
582 int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
583 uint8_t, uint32_t, bool);
584 void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
585 void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
586 void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
587 struct lpfc_mbx_sge *);
588 int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
589 uint16_t);
590
591 void lpfc_sli4_hba_reset(struct lpfc_hba *);
592 struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
593 uint32_t);
594 void lpfc_sli4_queue_free(struct lpfc_queue *);
595 uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint16_t);
596 uint32_t lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
597 struct lpfc_queue *, uint32_t, uint32_t);
598 int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
599 struct lpfc_queue *, uint32_t);
600 uint32_t lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
601 struct lpfc_queue *, uint32_t);
602 uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
603 struct lpfc_queue *, struct lpfc_queue *, uint32_t);
604 void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int);
605 uint32_t lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
606 uint32_t lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
607 uint32_t lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
608 uint32_t lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
609 uint32_t lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
610 struct lpfc_queue *);
611 int lpfc_sli4_queue_setup(struct lpfc_hba *);
612 void lpfc_sli4_queue_unset(struct lpfc_hba *);
613 int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
614 int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
615 uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
616 int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
617 int lpfc_sli4_post_els_sgl_list(struct lpfc_hba *phba);
618 int lpfc_sli4_post_els_sgl_list_ext(struct lpfc_hba *phba);
619 int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
620 int lpfc_sli4_post_scsi_sgl_blk_ext(struct lpfc_hba *, struct list_head *,
621 int);
622 struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
623 struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
624 void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
625 void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
626 int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
627 int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
628 int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
629 struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
630 void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
631 int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
632 void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
633 void lpfc_sli4_remove_rpis(struct lpfc_hba *);
634 void lpfc_sli4_async_event_proc(struct lpfc_hba *);
635 void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
636 int lpfc_sli4_resume_rpi(struct lpfc_nodelist *);
637 void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
638 void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
639 void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
640 struct sli4_wcqe_xri_aborted *);
641 void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
642 struct sli4_wcqe_xri_aborted *);
643 void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
644 void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
645 int lpfc_sli4_brdreset(struct lpfc_hba *);
646 int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
647 void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
648 int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
649 int lpfc_sli4_init_vpi(struct lpfc_vport *);
650 uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
651 uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
652 void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
653 int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
654 int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
655 int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
656 void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
657 void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
658 void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
659 int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
660 int lpfc_sli4_post_status_check(struct lpfc_hba *);
661 uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
662 uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);