blob: cd780c29495aa6eddedafa34367c315fa9813e84 [file] [log] [blame]
James Smartda0436e2009-05-22 14:51:39 -04001/*******************************************************************
2 * This file is part of the Emulex Linux Device Driver for *
3 * Fibre Channel Host Bus Adapters. *
James Smartf25e8e72015-04-07 15:07:28 -04004 * Copyright (C) 2009-2015 Emulex. All rights reserved. *
James Smartda0436e2009-05-22 14:51:39 -04005 * 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
James Smart5af5eee2010-10-22 11:06:38 -040022#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
James Smartda0436e2009-05-22 14:51:39 -040025#define LPFC_RELEASE_NOTIFICATION_INTERVAL 32
James Smartda0436e2009-05-22 14:51:39 -040026#define LPFC_RPI_LOW_WATER_MARK 10
James Smartecfd03c2010-02-12 14:41:27 -050027
James Smarta93ff372010-10-22 11:06:08 -040028#define LPFC_UNREG_FCF 1
29#define LPFC_SKIP_UNREG_FCF 0
30
James Smartecfd03c2010-02-12 14:41:27 -050031/* Amount of time in seconds for waiting FCF rediscovery to complete */
32#define LPFC_FCF_REDISCOVER_WAIT_TMO 2000 /* msec */
33
James Smartda0436e2009-05-22 14:51:39 -040034/* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
35#define LPFC_NEMBED_MBOX_SGL_CNT 254
36
James Smart67d12732012-08-03 12:36:13 -040037/* Multi-queue arrangement for FCP EQ/CQ/WQ tuples */
38#define LPFC_FCP_IO_CHAN_DEF 4
39#define LPFC_FCP_IO_CHAN_MIN 1
James Smart82c3e9b2012-09-29 11:29:50 -040040#define LPFC_FCP_IO_CHAN_MAX 16
James Smartda0436e2009-05-22 14:51:39 -040041
James Smart1ba981f2014-02-20 09:56:45 -050042/* Number of channels used for Flash Optimized Fabric (FOF) operations */
43
44#define LPFC_FOF_IO_CHAN_NUM 1
45
James Smartda0436e2009-05-22 14:51:39 -040046/*
47 * Provide the default FCF Record attributes used by the driver
48 * when nonFIP mode is configured and there is no other default
49 * FCF Record attributes.
50 */
51#define LPFC_FCOE_FCF_DEF_INDEX 0
52#define LPFC_FCOE_FCF_GET_FIRST 0xFFFF
53#define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF
54
James Smartdbb6b3a2010-06-08 18:31:37 -040055#define LPFC_FCOE_NULL_VID 0xFFF
56#define LPFC_FCOE_IGNORE_VID 0xFFFF
57
James Smartda0436e2009-05-22 14:51:39 -040058/* First 3 bytes of default FCF MAC is specified by FC_MAP */
59#define LPFC_FCOE_FCF_MAC3 0xFF
60#define LPFC_FCOE_FCF_MAC4 0xFF
61#define LPFC_FCOE_FCF_MAC5 0xFE
62#define LPFC_FCOE_FCF_MAP0 0x0E
63#define LPFC_FCOE_FCF_MAP1 0xFC
64#define LPFC_FCOE_FCF_MAP2 0x00
James Smart98fc5dd2010-06-07 15:24:29 -040065#define LPFC_FCOE_MAX_RCV_SIZE 0x800
James Smartda0436e2009-05-22 14:51:39 -040066#define LPFC_FCOE_FKA_ADV_PER 0
67#define LPFC_FCOE_FIP_PRIORITY 0x80
68
James Smart6669f9b2009-10-02 15:16:45 -040069#define sli4_sid_from_fc_hdr(fc_hdr) \
70 ((fc_hdr)->fh_s_id[0] << 16 | \
71 (fc_hdr)->fh_s_id[1] << 8 | \
72 (fc_hdr)->fh_s_id[2])
73
James Smart939723a2012-05-09 21:19:03 -040074#define sli4_did_from_fc_hdr(fc_hdr) \
75 ((fc_hdr)->fh_d_id[0] << 16 | \
76 (fc_hdr)->fh_d_id[1] << 8 | \
77 (fc_hdr)->fh_d_id[2])
78
James Smart5ffc2662009-11-18 15:39:44 -050079#define sli4_fctl_from_fc_hdr(fc_hdr) \
80 ((fc_hdr)->fh_f_ctl[0] << 16 | \
81 (fc_hdr)->fh_f_ctl[1] << 8 | \
82 (fc_hdr)->fh_f_ctl[2])
83
James Smart939723a2012-05-09 21:19:03 -040084#define sli4_type_from_fc_hdr(fc_hdr) \
85 ((fc_hdr)->fh_type)
86
James Smart88a2cfb2011-07-22 18:36:33 -040087#define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
88
James Smartc71ab862012-10-31 14:44:33 -040089#define INT_FW_UPGRADE 0
90#define RUN_FW_UPGRADE 1
91
James Smartda0436e2009-05-22 14:51:39 -040092enum lpfc_sli4_queue_type {
93 LPFC_EQ,
94 LPFC_GCQ,
95 LPFC_MCQ,
96 LPFC_WCQ,
97 LPFC_RCQ,
98 LPFC_MQ,
99 LPFC_WQ,
100 LPFC_HRQ,
101 LPFC_DRQ
102};
103
104/* The queue sub-type defines the functional purpose of the queue */
105enum lpfc_sli4_queue_subtype {
106 LPFC_NONE,
107 LPFC_MBOX,
108 LPFC_FCP,
109 LPFC_ELS,
110 LPFC_USOL
111};
112
113union sli4_qe {
114 void *address;
115 struct lpfc_eqe *eqe;
116 struct lpfc_cqe *cqe;
117 struct lpfc_mcqe *mcqe;
118 struct lpfc_wcqe_complete *wcqe_complete;
119 struct lpfc_wcqe_release *wcqe_release;
120 struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
121 struct lpfc_rcqe_complete *rcqe_complete;
122 struct lpfc_mqe *mqe;
123 union lpfc_wqe *wqe;
James Smart0c651872013-07-15 18:33:23 -0400124 union lpfc_wqe128 *wqe128;
James Smartda0436e2009-05-22 14:51:39 -0400125 struct lpfc_rqe *rqe;
126};
127
128struct lpfc_queue {
129 struct list_head list;
130 enum lpfc_sli4_queue_type type;
131 enum lpfc_sli4_queue_subtype subtype;
132 struct lpfc_hba *phba;
133 struct list_head child_list;
134 uint32_t entry_count; /* Number of entries to support on the queue */
135 uint32_t entry_size; /* Size of each queue entry. */
James Smart73d91e52011-10-10 21:32:10 -0400136 uint32_t entry_repost; /* Count of entries before doorbell is rung */
137#define LPFC_QUEUE_MIN_REPOST 8
James Smartda0436e2009-05-22 14:51:39 -0400138 uint32_t queue_id; /* Queue ID assigned by the hardware */
James Smart2a622bf2011-02-16 12:40:06 -0500139 uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */
James Smartda0436e2009-05-22 14:51:39 -0400140 struct list_head page_list;
141 uint32_t page_count; /* Number of pages allocated for this queue */
James Smartda0436e2009-05-22 14:51:39 -0400142 uint32_t host_index; /* The host's index for putting or getting */
143 uint32_t hba_index; /* The last known hba index for get or put */
James Smartb84daac2012-08-03 12:35:13 -0400144
James Smart2a76a282012-08-03 12:35:54 -0400145 struct lpfc_sli_ring *pring; /* ptr to io ring associated with q */
146
James Smart962bc512013-01-03 15:44:00 -0500147 uint16_t db_format;
148#define LPFC_DB_RING_FORMAT 0x01
149#define LPFC_DB_LIST_FORMAT 0x02
150 void __iomem *db_regaddr;
James Smartb84daac2012-08-03 12:35:13 -0400151 /* For q stats */
152 uint32_t q_cnt_1;
153 uint32_t q_cnt_2;
154 uint32_t q_cnt_3;
155 uint64_t q_cnt_4;
156/* defines for EQ stats */
157#define EQ_max_eqe q_cnt_1
158#define EQ_no_entry q_cnt_2
159#define EQ_badstate q_cnt_3
160#define EQ_processed q_cnt_4
161
162/* defines for CQ stats */
163#define CQ_mbox q_cnt_1
164#define CQ_max_cqe q_cnt_1
165#define CQ_release_wqe q_cnt_2
166#define CQ_xri_aborted q_cnt_3
167#define CQ_wq q_cnt_4
168
169/* defines for WQ stats */
170#define WQ_overflow q_cnt_1
171#define WQ_posted q_cnt_4
172
173/* defines for RQ stats */
174#define RQ_no_posted_buf q_cnt_1
175#define RQ_no_buf_found q_cnt_2
176#define RQ_buf_trunc q_cnt_3
177#define RQ_rcv_buf q_cnt_4
178
James Smartda0436e2009-05-22 14:51:39 -0400179 union sli4_qe qe[1]; /* array to index entries (must be last) */
180};
181
James Smartda0436e2009-05-22 14:51:39 -0400182struct lpfc_sli4_link {
James Smart8b68cd52012-09-29 11:32:37 -0400183 uint16_t speed;
James Smartda0436e2009-05-22 14:51:39 -0400184 uint8_t duplex;
185 uint8_t status;
James Smart70f3c072010-12-15 17:57:33 -0500186 uint8_t type;
187 uint8_t number;
James Smartda0436e2009-05-22 14:51:39 -0400188 uint8_t fault;
James Smart65467b62010-01-26 23:08:29 -0500189 uint16_t logical_speed;
James Smart70f3c072010-12-15 17:57:33 -0500190 uint16_t topology;
James Smartda0436e2009-05-22 14:51:39 -0400191};
192
James Smartecfd03c2010-02-12 14:41:27 -0500193struct lpfc_fcf_rec {
194 uint8_t fabric_name[8];
195 uint8_t switch_name[8];
James Smartda0436e2009-05-22 14:51:39 -0400196 uint8_t mac_addr[6];
197 uint16_t fcf_indx;
James Smartecfd03c2010-02-12 14:41:27 -0500198 uint32_t priority;
199 uint16_t vlan_id;
200 uint32_t addr_mode;
201 uint32_t flag;
202#define BOOT_ENABLE 0x01
203#define RECORD_VALID 0x02
204};
205
James Smart7d791df2011-07-22 18:37:52 -0400206struct lpfc_fcf_pri_rec {
207 uint16_t fcf_index;
208#define LPFC_FCF_ON_PRI_LIST 0x0001
209#define LPFC_FCF_FLOGI_FAILED 0x0002
210 uint16_t flag;
211 uint32_t priority;
212};
213
214struct lpfc_fcf_pri {
215 struct list_head list;
216 struct lpfc_fcf_pri_rec fcf_rec;
217};
218
219/*
220 * Maximum FCF table index, it is for driver internal book keeping, it
221 * just needs to be no less than the supported HBA's FCF table size.
222 */
223#define LPFC_SLI4_FCF_TBL_INDX_MAX 32
224
James Smartecfd03c2010-02-12 14:41:27 -0500225struct lpfc_fcf {
James Smartda0436e2009-05-22 14:51:39 -0400226 uint16_t fcfi;
227 uint32_t fcf_flag;
228#define FCF_AVAILABLE 0x01 /* FCF available for discovery */
229#define FCF_REGISTERED 0x02 /* FCF registered with FW */
James Smartecfd03c2010-02-12 14:41:27 -0500230#define FCF_SCAN_DONE 0x04 /* FCF table scan done */
231#define FCF_IN_USE 0x08 /* Atleast one discovery completed */
James Smart0c9ab6f2010-02-26 14:15:57 -0500232#define FCF_INIT_DISC 0x10 /* Initial FCF discovery */
233#define FCF_DEAD_DISC 0x20 /* FCF DEAD fast FCF failover discovery */
234#define FCF_ACVL_DISC 0x40 /* All CVL fast FCF failover discovery */
235#define FCF_DISCOVERY (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
236#define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
237#define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */
238#define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */
James Smarta93ff372010-10-22 11:06:08 -0400239#define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
James Smartda0436e2009-05-22 14:51:39 -0400240 uint32_t addr_mode;
James Smart999d8132010-03-15 11:24:56 -0400241 uint32_t eligible_fcf_cnt;
James Smartecfd03c2010-02-12 14:41:27 -0500242 struct lpfc_fcf_rec current_rec;
243 struct lpfc_fcf_rec failover_rec;
James Smart7d791df2011-07-22 18:37:52 -0400244 struct list_head fcf_pri_list;
245 struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
246 uint32_t current_fcf_scan_pri;
James Smartecfd03c2010-02-12 14:41:27 -0500247 struct timer_list redisc_wait;
James Smart0c9ab6f2010-02-26 14:15:57 -0500248 unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
James Smartda0436e2009-05-22 14:51:39 -0400249};
250
James Smart0c9ab6f2010-02-26 14:15:57 -0500251
James Smartda0436e2009-05-22 14:51:39 -0400252#define LPFC_REGION23_SIGNATURE "RG23"
253#define LPFC_REGION23_VERSION 1
254#define LPFC_REGION23_LAST_REC 0xff
James Smarta0c87cb2009-07-19 10:01:10 -0400255#define DRIVER_SPECIFIC_TYPE 0xA2
256#define LINUX_DRIVER_ID 0x20
257#define PORT_STE_TYPE 0x1
258
James Smartda0436e2009-05-22 14:51:39 -0400259struct lpfc_fip_param_hdr {
260 uint8_t type;
261#define FCOE_PARAM_TYPE 0xA0
262 uint8_t length;
263#define FCOE_PARAM_LENGTH 2
264 uint8_t parm_version;
265#define FIPP_VERSION 0x01
266 uint8_t parm_flags;
267#define lpfc_fip_param_hdr_fipp_mode_SHIFT 6
268#define lpfc_fip_param_hdr_fipp_mode_MASK 0x3
269#define lpfc_fip_param_hdr_fipp_mode_WORD parm_flags
James Smart6a9c52c2009-10-02 15:16:51 -0400270#define FIPP_MODE_ON 0x1
James Smartda0436e2009-05-22 14:51:39 -0400271#define FIPP_MODE_OFF 0x0
272#define FIPP_VLAN_VALID 0x1
273};
274
275struct lpfc_fcoe_params {
276 uint8_t fc_map[3];
277 uint8_t reserved1;
278 uint16_t vlan_tag;
279 uint8_t reserved[2];
280};
281
282struct lpfc_fcf_conn_hdr {
283 uint8_t type;
284#define FCOE_CONN_TBL_TYPE 0xA1
285 uint8_t length; /* words */
286 uint8_t reserved[2];
287};
288
289struct lpfc_fcf_conn_rec {
290 uint16_t flags;
291#define FCFCNCT_VALID 0x0001
292#define FCFCNCT_BOOT 0x0002
293#define FCFCNCT_PRIMARY 0x0004 /* if not set, Secondary */
294#define FCFCNCT_FBNM_VALID 0x0008
295#define FCFCNCT_SWNM_VALID 0x0010
296#define FCFCNCT_VLAN_VALID 0x0020
297#define FCFCNCT_AM_VALID 0x0040
298#define FCFCNCT_AM_PREFERRED 0x0080 /* if not set, AM Required */
299#define FCFCNCT_AM_SPMA 0x0100 /* if not set, FPMA */
300
301 uint16_t vlan_tag;
302 uint8_t fabric_name[8];
303 uint8_t switch_name[8];
304};
305
306struct lpfc_fcf_conn_entry {
307 struct list_head list;
308 struct lpfc_fcf_conn_rec conn_rec;
309};
310
311/*
312 * Define the host's bootstrap mailbox. This structure contains
313 * the member attributes needed to create, use, and destroy the
314 * bootstrap mailbox region.
315 *
316 * The macro definitions for the bmbx data structure are defined
317 * in lpfc_hw4.h with the register definition.
318 */
319struct lpfc_bmbx {
320 struct lpfc_dmabuf *dmabuf;
321 struct dma_address dma_address;
322 void *avirt;
323 dma_addr_t aphys;
324 uint32_t bmbx_size;
325};
326
327#define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
328
329#define LPFC_EQE_SIZE_4B 4
330#define LPFC_EQE_SIZE_16B 16
331#define LPFC_CQE_SIZE 16
332#define LPFC_WQE_SIZE 64
James Smart0c651872013-07-15 18:33:23 -0400333#define LPFC_WQE128_SIZE 128
James Smartda0436e2009-05-22 14:51:39 -0400334#define LPFC_MQE_SIZE 256
335#define LPFC_RQE_SIZE 8
336
337#define LPFC_EQE_DEF_COUNT 1024
James Smartff78d8f2011-12-13 13:21:35 -0500338#define LPFC_CQE_DEF_COUNT 1024
James Smartf1126682009-06-10 17:22:44 -0400339#define LPFC_WQE_DEF_COUNT 256
James Smart0c651872013-07-15 18:33:23 -0400340#define LPFC_WQE128_DEF_COUNT 128
James Smartda0436e2009-05-22 14:51:39 -0400341#define LPFC_MQE_DEF_COUNT 16
342#define LPFC_RQE_DEF_COUNT 512
343
344#define LPFC_QUEUE_NOARM false
345#define LPFC_QUEUE_REARM true
346
347
348/*
349 * SLI4 CT field defines
350 */
351#define SLI4_CT_RPI 0
352#define SLI4_CT_VPI 1
353#define SLI4_CT_VFI 2
354#define SLI4_CT_FCFI 3
355
James Smartda0436e2009-05-22 14:51:39 -0400356/*
357 * SLI4 specific data structures
358 */
359struct lpfc_max_cfg_param {
360 uint16_t max_xri;
361 uint16_t xri_base;
362 uint16_t xri_used;
363 uint16_t max_rpi;
364 uint16_t rpi_base;
365 uint16_t rpi_used;
366 uint16_t max_vpi;
367 uint16_t vpi_base;
368 uint16_t vpi_used;
369 uint16_t max_vfi;
370 uint16_t vfi_base;
371 uint16_t vfi_used;
372 uint16_t max_fcfi;
James Smartda0436e2009-05-22 14:51:39 -0400373 uint16_t fcfi_used;
374 uint16_t max_eq;
375 uint16_t max_rq;
376 uint16_t max_cq;
377 uint16_t max_wq;
378};
379
380struct lpfc_hba;
381/* SLI4 HBA multi-fcp queue handler struct */
382struct lpfc_fcp_eq_hdl {
383 uint32_t idx;
384 struct lpfc_hba *phba;
James Smartba20c852012-08-03 12:36:52 -0400385 atomic_t fcp_eq_in_use;
James Smartda0436e2009-05-22 14:51:39 -0400386};
387
James Smart28baac72010-02-12 14:42:03 -0500388/* Port Capabilities for SLI4 Parameters */
389struct lpfc_pc_sli4_params {
390 uint32_t supported;
391 uint32_t if_type;
392 uint32_t sli_rev;
393 uint32_t sli_family;
394 uint32_t featurelevel_1;
395 uint32_t featurelevel_2;
396 uint32_t proto_types;
397#define LPFC_SLI4_PROTO_FCOE 0x0000001
398#define LPFC_SLI4_PROTO_FC 0x0000002
399#define LPFC_SLI4_PROTO_NIC 0x0000004
400#define LPFC_SLI4_PROTO_ISCSI 0x0000008
401#define LPFC_SLI4_PROTO_RDMA 0x0000010
402 uint32_t sge_supp_len;
403 uint32_t if_page_sz;
404 uint32_t rq_db_window;
405 uint32_t loopbk_scope;
James Smart1ba981f2014-02-20 09:56:45 -0500406 uint32_t oas_supported;
James Smart28baac72010-02-12 14:42:03 -0500407 uint32_t eq_pages_max;
408 uint32_t eqe_size;
409 uint32_t cq_pages_max;
410 uint32_t cqe_size;
411 uint32_t mq_pages_max;
412 uint32_t mqe_size;
413 uint32_t mq_elem_cnt;
414 uint32_t wq_pages_max;
415 uint32_t wqe_size;
416 uint32_t rq_pages_max;
417 uint32_t rqe_size;
418 uint32_t hdr_pages_max;
419 uint32_t hdr_size;
420 uint32_t hdr_pp_align;
421 uint32_t sgl_pages_max;
422 uint32_t sgl_pp_align;
James Smartfedd3b72011-02-16 12:39:24 -0500423 uint8_t cqv;
424 uint8_t mqv;
425 uint8_t wqv;
426 uint8_t rqv;
James Smart0c651872013-07-15 18:33:23 -0400427 uint8_t wqsize;
428#define LPFC_WQ_SZ64_SUPPORT 1
429#define LPFC_WQ_SZ128_SUPPORT 2
James Smart28baac72010-02-12 14:42:03 -0500430};
431
James Smart912e3ac2011-05-24 11:42:11 -0400432struct lpfc_iov {
433 uint32_t pf_number;
434 uint32_t vf_number;
435};
436
James Smartcd1c8302011-10-10 21:33:25 -0400437struct lpfc_sli4_lnk_info {
438 uint8_t lnk_dv;
439#define LPFC_LNK_DAT_INVAL 0
440#define LPFC_LNK_DAT_VAL 1
441 uint8_t lnk_tp;
442#define LPFC_LNK_GE 0x0 /* FCoE */
443#define LPFC_LNK_FC 0x1 /* FC */
444 uint8_t lnk_no;
James Smart448193b2015-12-16 18:12:05 -0500445 uint8_t optic_state;
James Smartcd1c8302011-10-10 21:33:25 -0400446};
447
James Smart1ba981f2014-02-20 09:56:45 -0500448#define LPFC_SLI4_HANDLER_CNT (LPFC_FCP_IO_CHAN_MAX+ \
449 LPFC_FOF_IO_CHAN_NUM)
James Smart4305f182012-08-03 12:36:33 -0400450#define LPFC_SLI4_HANDLER_NAME_SZ 16
451
James Smart7bb03bb2013-04-17 20:19:16 -0400452/* Used for IRQ vector to CPU mapping */
453struct lpfc_vector_map_info {
454 uint16_t phys_id;
455 uint16_t core_id;
456 uint16_t irq;
457 uint16_t channel_id;
James Smart7bb03bb2013-04-17 20:19:16 -0400458};
459#define LPFC_VECTOR_MAP_EMPTY 0xffff
James Smart7bb03bb2013-04-17 20:19:16 -0400460
James Smartda0436e2009-05-22 14:51:39 -0400461/* SLI4 HBA data structure entries */
462struct lpfc_sli4_hba {
463 void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
464 PCI BAR0, config space registers */
465 void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
466 PCI BAR1, control registers */
467 void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
468 PCI BAR2, doorbell registers */
James Smart2fcee4b2010-12-15 17:57:46 -0500469 union {
470 struct {
471 /* IF Type 0, BAR 0 PCI cfg space reg mem map */
472 void __iomem *UERRLOregaddr;
473 void __iomem *UERRHIregaddr;
474 void __iomem *UEMASKLOregaddr;
475 void __iomem *UEMASKHIregaddr;
476 } if_type0;
477 struct {
478 /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
479 void __iomem *STATUSregaddr;
480 void __iomem *CTRLregaddr;
481 void __iomem *ERR1regaddr;
James Smart2e90f4b2011-12-13 13:22:37 -0500482#define SLIPORT_ERR1_REG_ERR_CODE_1 0x1
483#define SLIPORT_ERR1_REG_ERR_CODE_2 0x2
James Smart2fcee4b2010-12-15 17:57:46 -0500484 void __iomem *ERR2regaddr;
James Smart2e90f4b2011-12-13 13:22:37 -0500485#define SLIPORT_ERR2_REG_FW_RESTART 0x0
486#define SLIPORT_ERR2_REG_FUNC_PROVISON 0x1
487#define SLIPORT_ERR2_REG_FORCED_DUMP 0x2
488#define SLIPORT_ERR2_REG_FAILURE_EQ 0x3
489#define SLIPORT_ERR2_REG_FAILURE_CQ 0x4
490#define SLIPORT_ERR2_REG_FAILURE_BUS 0x5
491#define SLIPORT_ERR2_REG_FAILURE_RQ 0x6
James Smart2fcee4b2010-12-15 17:57:46 -0500492 } if_type2;
493 } u;
494
495 /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
496 void __iomem *PSMPHRregaddr;
497
498 /* Well-known SLI INTF register memory map. */
499 void __iomem *SLIINTFregaddr;
500
501 /* IF type 0, BAR 1 function CSR register memory map */
502 void __iomem *ISRregaddr; /* HST_ISR register */
503 void __iomem *IMRregaddr; /* HST_IMR register */
504 void __iomem *ISCRregaddr; /* HST_ISCR register */
505 /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
506 void __iomem *RQDBregaddr; /* RQ_DOORBELL register */
507 void __iomem *WQDBregaddr; /* WQ_DOORBELL register */
508 void __iomem *EQCQDBregaddr; /* EQCQ_DOORBELL register */
509 void __iomem *MQDBregaddr; /* MQ_DOORBELL register */
510 void __iomem *BMBXregaddr; /* BootStrap MBX register */
James Smartda0436e2009-05-22 14:51:39 -0400511
James Smarta747c9c2009-11-18 15:41:10 -0500512 uint32_t ue_mask_lo;
513 uint32_t ue_mask_hi;
James Smart28baac72010-02-12 14:42:03 -0500514 struct lpfc_register sli_intf;
515 struct lpfc_pc_sli4_params pc_sli4_params;
James Smartda0436e2009-05-22 14:51:39 -0400516 struct msix_entry *msix_entries;
James Smart1ba981f2014-02-20 09:56:45 -0500517 uint8_t handler_name[LPFC_SLI4_HANDLER_CNT][LPFC_SLI4_HANDLER_NAME_SZ];
James Smartda0436e2009-05-22 14:51:39 -0400518 struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
James Smart67d12732012-08-03 12:36:13 -0400519
James Smartda0436e2009-05-22 14:51:39 -0400520 /* Pointers to the constructed SLI4 queues */
James Smart67d12732012-08-03 12:36:13 -0400521 struct lpfc_queue **hba_eq;/* Event queues for HBA */
522 struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */
James Smartda0436e2009-05-22 14:51:39 -0400523 struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */
James Smart67d12732012-08-03 12:36:13 -0400524 uint16_t *fcp_cq_map;
525
526 struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
527 struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
James Smartda0436e2009-05-22 14:51:39 -0400528 struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
529 struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
530 struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
531 struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
James Smartda0436e2009-05-22 14:51:39 -0400532
James Smart9a86ed42013-09-06 12:19:27 -0400533 uint32_t fw_func_mode; /* FW function protocol mode */
James Smart962bc512013-01-03 15:44:00 -0500534 uint32_t ulp0_mode; /* ULP0 protocol mode */
535 uint32_t ulp1_mode; /* ULP1 protocol mode */
536
James Smart1ba981f2014-02-20 09:56:45 -0500537 struct lpfc_queue *fof_eq; /* Flash Optimized Fabric Event queue */
538
539 /* Optimized Access Storage specific queues/structures */
540
541 struct lpfc_queue *oas_cq; /* OAS completion queue */
542 struct lpfc_queue *oas_wq; /* OAS Work queue */
543 struct lpfc_sli_ring *oas_ring;
544 uint64_t oas_next_lun;
545 uint8_t oas_next_tgt_wwpn[8];
546 uint8_t oas_next_vpt_wwpn[8];
547
James Smartda0436e2009-05-22 14:51:39 -0400548 /* Setup information for various queue parameters */
549 int eq_esize;
550 int eq_ecount;
551 int cq_esize;
552 int cq_ecount;
553 int wq_esize;
554 int wq_ecount;
555 int mq_esize;
556 int mq_ecount;
557 int rq_esize;
558 int rq_ecount;
559#define LPFC_SP_EQ_MAX_INTR_SEC 10000
560#define LPFC_FP_EQ_MAX_INTR_SEC 10000
561
562 uint32_t intr_enable;
563 struct lpfc_bmbx bmbx;
564 struct lpfc_max_cfg_param max_cfg_param;
James Smart6d368e52011-05-24 11:44:12 -0400565 uint16_t extents_in_use; /* must allocate resource extents. */
566 uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
James Smartda0436e2009-05-22 14:51:39 -0400567 uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
568 uint16_t next_rpi;
569 uint16_t scsi_xri_max;
570 uint16_t scsi_xri_cnt;
James Smart8a9d2e82012-05-09 21:16:12 -0400571 uint16_t els_xri_cnt;
James Smart6d368e52011-05-24 11:44:12 -0400572 uint16_t scsi_xri_start;
James Smartda0436e2009-05-22 14:51:39 -0400573 struct list_head lpfc_free_sgl_list;
574 struct list_head lpfc_sgl_list;
James Smartda0436e2009-05-22 14:51:39 -0400575 struct list_head lpfc_abts_els_sgl_list;
James Smartda0436e2009-05-22 14:51:39 -0400576 struct list_head lpfc_abts_scsi_buf_list;
James Smartda0436e2009-05-22 14:51:39 -0400577 struct lpfc_sglq **lpfc_sglq_active_list;
578 struct list_head lpfc_rpi_hdr_list;
579 unsigned long *rpi_bmask;
James Smart6d368e52011-05-24 11:44:12 -0400580 uint16_t *rpi_ids;
James Smartda0436e2009-05-22 14:51:39 -0400581 uint16_t rpi_count;
James Smart6d368e52011-05-24 11:44:12 -0400582 struct list_head lpfc_rpi_blk_list;
583 unsigned long *xri_bmask;
584 uint16_t *xri_ids;
James Smart6d368e52011-05-24 11:44:12 -0400585 struct list_head lpfc_xri_blk_list;
586 unsigned long *vfi_bmask;
587 uint16_t *vfi_ids;
588 uint16_t vfi_count;
589 struct list_head lpfc_vfi_blk_list;
James Smartda0436e2009-05-22 14:51:39 -0400590 struct lpfc_sli4_flags sli4_flags;
James Smart45ed1192009-10-02 15:17:02 -0400591 struct list_head sp_queue_event;
James Smartda0436e2009-05-22 14:51:39 -0400592 struct list_head sp_cqe_event_pool;
593 struct list_head sp_asynce_work_queue;
594 struct list_head sp_fcp_xri_aborted_work_queue;
595 struct list_head sp_els_xri_aborted_work_queue;
596 struct list_head sp_unsol_work_queue;
597 struct lpfc_sli4_link link_state;
James Smartcd1c8302011-10-10 21:33:25 -0400598 struct lpfc_sli4_lnk_info lnk_info;
599 uint32_t pport_name_sta;
600#define LPFC_SLI4_PPNAME_NON 0
601#define LPFC_SLI4_PPNAME_GET 1
James Smart912e3ac2011-05-24 11:42:11 -0400602 struct lpfc_iov iov;
James Smartda0436e2009-05-22 14:51:39 -0400603 spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
604 spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
James Smart8b017a32015-05-21 13:55:18 -0400605 uint32_t physical_port;
James Smart7bb03bb2013-04-17 20:19:16 -0400606
607 /* CPU to vector mapping information */
608 struct lpfc_vector_map_info *cpu_map;
609 uint16_t num_online_cpu;
610 uint16_t num_present_cpu;
James Smart76fd07a2014-02-20 09:57:18 -0500611 uint16_t curr_disp_cpu;
James Smartda0436e2009-05-22 14:51:39 -0400612};
613
614enum lpfc_sge_type {
615 GEN_BUFF_TYPE,
616 SCSI_BUFF_TYPE
617};
618
James Smart0f65ff62010-02-26 14:14:23 -0500619enum lpfc_sgl_state {
620 SGL_FREED,
621 SGL_ALLOCATED,
622 SGL_XRI_ABORTED
623};
624
James Smartda0436e2009-05-22 14:51:39 -0400625struct lpfc_sglq {
626 /* lpfc_sglqs are used in double linked lists */
627 struct list_head list;
628 struct list_head clist;
629 enum lpfc_sge_type buff_type; /* is this a scsi sgl */
James Smart0f65ff62010-02-26 14:14:23 -0500630 enum lpfc_sgl_state state;
James Smart19ca7602010-11-20 23:11:55 -0500631 struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
James Smartda0436e2009-05-22 14:51:39 -0400632 uint16_t iotag; /* pre-assigned IO tag */
James Smart6d368e52011-05-24 11:44:12 -0400633 uint16_t sli4_lxritag; /* logical pre-assigned xri. */
James Smartda0436e2009-05-22 14:51:39 -0400634 uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */
635 struct sli4_sge *sgl; /* pre-assigned SGL */
636 void *virt; /* virtual address. */
637 dma_addr_t phys; /* physical address */
638};
639
640struct lpfc_rpi_hdr {
641 struct list_head list;
642 uint32_t len;
643 struct lpfc_dmabuf *dmabuf;
644 uint32_t page_count;
645 uint32_t start_rpi;
646};
647
James Smart6d368e52011-05-24 11:44:12 -0400648struct lpfc_rsrc_blks {
649 struct list_head list;
650 uint16_t rsrc_start;
651 uint16_t rsrc_size;
652 uint16_t rsrc_used;
653};
654
James Smart86478872015-05-21 13:55:21 -0400655struct lpfc_rdp_context {
656 struct lpfc_nodelist *ndlp;
657 uint16_t ox_id;
658 uint16_t rx_id;
659 READ_LNK_VAR link_stat;
660 uint8_t page_a0[DMP_SFF_PAGE_A0_SIZE];
661 uint8_t page_a2[DMP_SFF_PAGE_A2_SIZE];
662 void (*cmpl)(struct lpfc_hba *, struct lpfc_rdp_context*, int);
663};
664
James Smart8b017a32015-05-21 13:55:18 -0400665struct lpfc_lcb_context {
666 uint8_t sub_command;
667 uint8_t type;
668 uint8_t frequency;
669 uint16_t ox_id;
670 uint16_t rx_id;
671 struct lpfc_nodelist *ndlp;
672};
673
674
James Smartda0436e2009-05-22 14:51:39 -0400675/*
676 * SLI4 specific function prototypes
677 */
678int lpfc_pci_function_reset(struct lpfc_hba *);
James Smart73d91e52011-10-10 21:32:10 -0400679int lpfc_sli4_pdev_status_reg_wait(struct lpfc_hba *);
James Smartda0436e2009-05-22 14:51:39 -0400680int lpfc_sli4_hba_setup(struct lpfc_hba *);
James Smartda0436e2009-05-22 14:51:39 -0400681int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
682 uint8_t, uint32_t, bool);
683void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
684void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
685void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
686 struct lpfc_mbx_sge *);
James Smart0c9ab6f2010-02-26 14:15:57 -0500687int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
688 uint16_t);
James Smartda0436e2009-05-22 14:51:39 -0400689
690void lpfc_sli4_hba_reset(struct lpfc_hba *);
691struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
692 uint32_t);
693void lpfc_sli4_queue_free(struct lpfc_queue *);
James Smarta2fc4aef2014-09-03 12:57:55 -0400694int lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint32_t);
James Smart2c9c5a02015-04-07 15:07:15 -0400695int lpfc_modify_fcp_eq_delay(struct lpfc_hba *, uint32_t);
James Smarta2fc4aef2014-09-03 12:57:55 -0400696int lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
James Smartda0436e2009-05-22 14:51:39 -0400697 struct lpfc_queue *, uint32_t, uint32_t);
James Smartb19a0612010-04-06 14:48:51 -0400698int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
699 struct lpfc_queue *, uint32_t);
James Smarta2fc4aef2014-09-03 12:57:55 -0400700int lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
James Smartda0436e2009-05-22 14:51:39 -0400701 struct lpfc_queue *, uint32_t);
James Smarta2fc4aef2014-09-03 12:57:55 -0400702int lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
James Smartda0436e2009-05-22 14:51:39 -0400703 struct lpfc_queue *, struct lpfc_queue *, uint32_t);
James Smart73d91e52011-10-10 21:32:10 -0400704void lpfc_rq_adjust_repost(struct lpfc_hba *, struct lpfc_queue *, int);
James Smarta2fc4aef2014-09-03 12:57:55 -0400705int lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
706int lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
707int lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
708int lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
709int lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
James Smartda0436e2009-05-22 14:51:39 -0400710 struct lpfc_queue *);
711int lpfc_sli4_queue_setup(struct lpfc_hba *);
712void lpfc_sli4_queue_unset(struct lpfc_hba *);
713int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
714int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
James Smartda0436e2009-05-22 14:51:39 -0400715uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
James Smartf7bc6432013-10-10 12:19:53 -0400716void lpfc_sli4_free_xri(struct lpfc_hba *, int);
James Smartda0436e2009-05-22 14:51:39 -0400717int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
James Smartda0436e2009-05-22 14:51:39 -0400718int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
719struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
720struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
721void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
722void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
723int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
724int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
725int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
726struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
727void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
728int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
729void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
730void lpfc_sli4_remove_rpis(struct lpfc_hba *);
731void lpfc_sli4_async_event_proc(struct lpfc_hba *);
James Smartecfd03c2010-02-12 14:41:27 -0500732void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
James Smart6b5151f2012-01-18 16:24:06 -0500733int lpfc_sli4_resume_rpi(struct lpfc_nodelist *,
734 void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *);
James Smartda0436e2009-05-22 14:51:39 -0400735void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
736void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
737void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
738 struct sli4_wcqe_xri_aborted *);
739void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
740 struct sli4_wcqe_xri_aborted *);
James Smart1151e3e2011-02-16 12:39:35 -0500741void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
742void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
James Smartda0436e2009-05-22 14:51:39 -0400743int lpfc_sli4_brdreset(struct lpfc_hba *);
744int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
745void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
746int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
James Smart76a95d72010-11-20 23:11:48 -0500747int lpfc_sli4_init_vpi(struct lpfc_vport *);
James Smartda0436e2009-05-22 14:51:39 -0400748uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
749uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
750void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
James Smart0c9ab6f2010-02-26 14:15:57 -0500751int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
752int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
753int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
754void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
755void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
756void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
757int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
James Smartda0436e2009-05-22 14:51:39 -0400758int lpfc_sli4_post_status_check(struct lpfc_hba *);
James Smarta183a152011-10-10 21:32:43 -0400759uint8_t lpfc_sli_config_mbox_subsys_get(struct lpfc_hba *, LPFC_MBOXQ_t *);
760uint8_t lpfc_sli_config_mbox_opcode_get(struct lpfc_hba *, LPFC_MBOXQ_t *);