blob: 19bb87ae85975a84bcf060642c7ba93402638766 [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 Smart792581d2011-03-11 16:06:44 -05004 * Copyright (C) 2009-2011 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
26#define LPFC_GET_QE_REL_INT 32
27#define LPFC_RPI_LOW_WATER_MARK 10
James Smartecfd03c2010-02-12 14:41:27 -050028
James Smarta93ff372010-10-22 11:06:08 -040029#define LPFC_UNREG_FCF 1
30#define LPFC_SKIP_UNREG_FCF 0
31
James Smartecfd03c2010-02-12 14:41:27 -050032/* Amount of time in seconds for waiting FCF rediscovery to complete */
33#define LPFC_FCF_REDISCOVER_WAIT_TMO 2000 /* msec */
34
James Smartda0436e2009-05-22 14:51:39 -040035/* Number of SGL entries can be posted in a 4KB nonembedded mbox command */
36#define LPFC_NEMBED_MBOX_SGL_CNT 254
37
38/* Multi-queue arrangement for fast-path FCP work queues */
39#define LPFC_FN_EQN_MAX 8
40#define LPFC_SP_EQN_DEF 1
James Smartdef9c7a2009-12-21 17:02:28 -050041#define LPFC_FP_EQN_DEF 4
James Smartda0436e2009-05-22 14:51:39 -040042#define LPFC_FP_EQN_MIN 1
43#define LPFC_FP_EQN_MAX (LPFC_FN_EQN_MAX - LPFC_SP_EQN_DEF)
44
45#define LPFC_FN_WQN_MAX 32
46#define LPFC_SP_WQN_DEF 1
47#define LPFC_FP_WQN_DEF 4
48#define LPFC_FP_WQN_MIN 1
49#define LPFC_FP_WQN_MAX (LPFC_FN_WQN_MAX - LPFC_SP_WQN_DEF)
50
51/*
52 * Provide the default FCF Record attributes used by the driver
53 * when nonFIP mode is configured and there is no other default
54 * FCF Record attributes.
55 */
56#define LPFC_FCOE_FCF_DEF_INDEX 0
57#define LPFC_FCOE_FCF_GET_FIRST 0xFFFF
58#define LPFC_FCOE_FCF_NEXT_NONE 0xFFFF
59
James Smartdbb6b3a2010-06-08 18:31:37 -040060#define LPFC_FCOE_NULL_VID 0xFFF
61#define LPFC_FCOE_IGNORE_VID 0xFFFF
62
James Smartda0436e2009-05-22 14:51:39 -040063/* First 3 bytes of default FCF MAC is specified by FC_MAP */
64#define LPFC_FCOE_FCF_MAC3 0xFF
65#define LPFC_FCOE_FCF_MAC4 0xFF
66#define LPFC_FCOE_FCF_MAC5 0xFE
67#define LPFC_FCOE_FCF_MAP0 0x0E
68#define LPFC_FCOE_FCF_MAP1 0xFC
69#define LPFC_FCOE_FCF_MAP2 0x00
James Smart98fc5dd2010-06-07 15:24:29 -040070#define LPFC_FCOE_MAX_RCV_SIZE 0x800
James Smartda0436e2009-05-22 14:51:39 -040071#define LPFC_FCOE_FKA_ADV_PER 0
72#define LPFC_FCOE_FIP_PRIORITY 0x80
73
James Smart6669f9b2009-10-02 15:16:45 -040074#define sli4_sid_from_fc_hdr(fc_hdr) \
75 ((fc_hdr)->fh_s_id[0] << 16 | \
76 (fc_hdr)->fh_s_id[1] << 8 | \
77 (fc_hdr)->fh_s_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 Smart88a2cfb2011-07-22 18:36:33 -040084#define LPFC_FW_RESET_MAXIMUM_WAIT_10MS_CNT 12000
85
James Smartda0436e2009-05-22 14:51:39 -040086enum lpfc_sli4_queue_type {
87 LPFC_EQ,
88 LPFC_GCQ,
89 LPFC_MCQ,
90 LPFC_WCQ,
91 LPFC_RCQ,
92 LPFC_MQ,
93 LPFC_WQ,
94 LPFC_HRQ,
95 LPFC_DRQ
96};
97
98/* The queue sub-type defines the functional purpose of the queue */
99enum lpfc_sli4_queue_subtype {
100 LPFC_NONE,
101 LPFC_MBOX,
102 LPFC_FCP,
103 LPFC_ELS,
104 LPFC_USOL
105};
106
107union sli4_qe {
108 void *address;
109 struct lpfc_eqe *eqe;
110 struct lpfc_cqe *cqe;
111 struct lpfc_mcqe *mcqe;
112 struct lpfc_wcqe_complete *wcqe_complete;
113 struct lpfc_wcqe_release *wcqe_release;
114 struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
115 struct lpfc_rcqe_complete *rcqe_complete;
116 struct lpfc_mqe *mqe;
117 union lpfc_wqe *wqe;
118 struct lpfc_rqe *rqe;
119};
120
121struct lpfc_queue {
122 struct list_head list;
123 enum lpfc_sli4_queue_type type;
124 enum lpfc_sli4_queue_subtype subtype;
125 struct lpfc_hba *phba;
126 struct list_head child_list;
127 uint32_t entry_count; /* Number of entries to support on the queue */
128 uint32_t entry_size; /* Size of each queue entry. */
129 uint32_t queue_id; /* Queue ID assigned by the hardware */
James Smart2a622bf2011-02-16 12:40:06 -0500130 uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */
James Smartda0436e2009-05-22 14:51:39 -0400131 struct list_head page_list;
132 uint32_t page_count; /* Number of pages allocated for this queue */
James Smartda0436e2009-05-22 14:51:39 -0400133 uint32_t host_index; /* The host's index for putting or getting */
134 uint32_t hba_index; /* The last known hba index for get or put */
135 union sli4_qe qe[1]; /* array to index entries (must be last) */
136};
137
James Smartda0436e2009-05-22 14:51:39 -0400138struct lpfc_sli4_link {
139 uint8_t speed;
140 uint8_t duplex;
141 uint8_t status;
James Smart70f3c072010-12-15 17:57:33 -0500142 uint8_t type;
143 uint8_t number;
James Smartda0436e2009-05-22 14:51:39 -0400144 uint8_t fault;
James Smart65467b62010-01-26 23:08:29 -0500145 uint16_t logical_speed;
James Smart70f3c072010-12-15 17:57:33 -0500146 uint16_t topology;
James Smartda0436e2009-05-22 14:51:39 -0400147};
148
James Smartecfd03c2010-02-12 14:41:27 -0500149struct lpfc_fcf_rec {
150 uint8_t fabric_name[8];
151 uint8_t switch_name[8];
James Smartda0436e2009-05-22 14:51:39 -0400152 uint8_t mac_addr[6];
153 uint16_t fcf_indx;
James Smartecfd03c2010-02-12 14:41:27 -0500154 uint32_t priority;
155 uint16_t vlan_id;
156 uint32_t addr_mode;
157 uint32_t flag;
158#define BOOT_ENABLE 0x01
159#define RECORD_VALID 0x02
160};
161
James Smart7d791df2011-07-22 18:37:52 -0400162struct lpfc_fcf_pri_rec {
163 uint16_t fcf_index;
164#define LPFC_FCF_ON_PRI_LIST 0x0001
165#define LPFC_FCF_FLOGI_FAILED 0x0002
166 uint16_t flag;
167 uint32_t priority;
168};
169
170struct lpfc_fcf_pri {
171 struct list_head list;
172 struct lpfc_fcf_pri_rec fcf_rec;
173};
174
175/*
176 * Maximum FCF table index, it is for driver internal book keeping, it
177 * just needs to be no less than the supported HBA's FCF table size.
178 */
179#define LPFC_SLI4_FCF_TBL_INDX_MAX 32
180
James Smartecfd03c2010-02-12 14:41:27 -0500181struct lpfc_fcf {
James Smartda0436e2009-05-22 14:51:39 -0400182 uint16_t fcfi;
183 uint32_t fcf_flag;
184#define FCF_AVAILABLE 0x01 /* FCF available for discovery */
185#define FCF_REGISTERED 0x02 /* FCF registered with FW */
James Smartecfd03c2010-02-12 14:41:27 -0500186#define FCF_SCAN_DONE 0x04 /* FCF table scan done */
187#define FCF_IN_USE 0x08 /* Atleast one discovery completed */
James Smart0c9ab6f2010-02-26 14:15:57 -0500188#define FCF_INIT_DISC 0x10 /* Initial FCF discovery */
189#define FCF_DEAD_DISC 0x20 /* FCF DEAD fast FCF failover discovery */
190#define FCF_ACVL_DISC 0x40 /* All CVL fast FCF failover discovery */
191#define FCF_DISCOVERY (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
192#define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
193#define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */
194#define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */
James Smarta93ff372010-10-22 11:06:08 -0400195#define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
James Smartda0436e2009-05-22 14:51:39 -0400196 uint32_t addr_mode;
James Smart999d8132010-03-15 11:24:56 -0400197 uint32_t eligible_fcf_cnt;
James Smartecfd03c2010-02-12 14:41:27 -0500198 struct lpfc_fcf_rec current_rec;
199 struct lpfc_fcf_rec failover_rec;
James Smart7d791df2011-07-22 18:37:52 -0400200 struct list_head fcf_pri_list;
201 struct lpfc_fcf_pri fcf_pri[LPFC_SLI4_FCF_TBL_INDX_MAX];
202 uint32_t current_fcf_scan_pri;
James Smartecfd03c2010-02-12 14:41:27 -0500203 struct timer_list redisc_wait;
James Smart0c9ab6f2010-02-26 14:15:57 -0500204 unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
James Smartda0436e2009-05-22 14:51:39 -0400205};
206
James Smart0c9ab6f2010-02-26 14:15:57 -0500207
James Smartda0436e2009-05-22 14:51:39 -0400208#define LPFC_REGION23_SIGNATURE "RG23"
209#define LPFC_REGION23_VERSION 1
210#define LPFC_REGION23_LAST_REC 0xff
James Smarta0c87cb2009-07-19 10:01:10 -0400211#define DRIVER_SPECIFIC_TYPE 0xA2
212#define LINUX_DRIVER_ID 0x20
213#define PORT_STE_TYPE 0x1
214
James Smartda0436e2009-05-22 14:51:39 -0400215struct lpfc_fip_param_hdr {
216 uint8_t type;
217#define FCOE_PARAM_TYPE 0xA0
218 uint8_t length;
219#define FCOE_PARAM_LENGTH 2
220 uint8_t parm_version;
221#define FIPP_VERSION 0x01
222 uint8_t parm_flags;
223#define lpfc_fip_param_hdr_fipp_mode_SHIFT 6
224#define lpfc_fip_param_hdr_fipp_mode_MASK 0x3
225#define lpfc_fip_param_hdr_fipp_mode_WORD parm_flags
James Smart6a9c52c2009-10-02 15:16:51 -0400226#define FIPP_MODE_ON 0x1
James Smartda0436e2009-05-22 14:51:39 -0400227#define FIPP_MODE_OFF 0x0
228#define FIPP_VLAN_VALID 0x1
229};
230
231struct lpfc_fcoe_params {
232 uint8_t fc_map[3];
233 uint8_t reserved1;
234 uint16_t vlan_tag;
235 uint8_t reserved[2];
236};
237
238struct lpfc_fcf_conn_hdr {
239 uint8_t type;
240#define FCOE_CONN_TBL_TYPE 0xA1
241 uint8_t length; /* words */
242 uint8_t reserved[2];
243};
244
245struct lpfc_fcf_conn_rec {
246 uint16_t flags;
247#define FCFCNCT_VALID 0x0001
248#define FCFCNCT_BOOT 0x0002
249#define FCFCNCT_PRIMARY 0x0004 /* if not set, Secondary */
250#define FCFCNCT_FBNM_VALID 0x0008
251#define FCFCNCT_SWNM_VALID 0x0010
252#define FCFCNCT_VLAN_VALID 0x0020
253#define FCFCNCT_AM_VALID 0x0040
254#define FCFCNCT_AM_PREFERRED 0x0080 /* if not set, AM Required */
255#define FCFCNCT_AM_SPMA 0x0100 /* if not set, FPMA */
256
257 uint16_t vlan_tag;
258 uint8_t fabric_name[8];
259 uint8_t switch_name[8];
260};
261
262struct lpfc_fcf_conn_entry {
263 struct list_head list;
264 struct lpfc_fcf_conn_rec conn_rec;
265};
266
267/*
268 * Define the host's bootstrap mailbox. This structure contains
269 * the member attributes needed to create, use, and destroy the
270 * bootstrap mailbox region.
271 *
272 * The macro definitions for the bmbx data structure are defined
273 * in lpfc_hw4.h with the register definition.
274 */
275struct lpfc_bmbx {
276 struct lpfc_dmabuf *dmabuf;
277 struct dma_address dma_address;
278 void *avirt;
279 dma_addr_t aphys;
280 uint32_t bmbx_size;
281};
282
283#define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
284
285#define LPFC_EQE_SIZE_4B 4
286#define LPFC_EQE_SIZE_16B 16
287#define LPFC_CQE_SIZE 16
288#define LPFC_WQE_SIZE 64
289#define LPFC_MQE_SIZE 256
290#define LPFC_RQE_SIZE 8
291
292#define LPFC_EQE_DEF_COUNT 1024
293#define LPFC_CQE_DEF_COUNT 256
James Smartf1126682009-06-10 17:22:44 -0400294#define LPFC_WQE_DEF_COUNT 256
James Smartda0436e2009-05-22 14:51:39 -0400295#define LPFC_MQE_DEF_COUNT 16
296#define LPFC_RQE_DEF_COUNT 512
297
298#define LPFC_QUEUE_NOARM false
299#define LPFC_QUEUE_REARM true
300
301
302/*
303 * SLI4 CT field defines
304 */
305#define SLI4_CT_RPI 0
306#define SLI4_CT_VPI 1
307#define SLI4_CT_VFI 2
308#define SLI4_CT_FCFI 3
309
James Smart28baac72010-02-12 14:42:03 -0500310#define LPFC_SLI4_FL1_MAX_SEGMENT_SIZE 0x10000
311#define LPFC_SLI4_FL1_MAX_BUF_SIZE 0X2000
312#define LPFC_SLI4_MIN_BUF_SIZE 0x400
313#define LPFC_SLI4_MAX_BUF_SIZE 0x20000
James Smartda0436e2009-05-22 14:51:39 -0400314
315/*
316 * SLI4 specific data structures
317 */
318struct lpfc_max_cfg_param {
319 uint16_t max_xri;
320 uint16_t xri_base;
321 uint16_t xri_used;
322 uint16_t max_rpi;
323 uint16_t rpi_base;
324 uint16_t rpi_used;
325 uint16_t max_vpi;
326 uint16_t vpi_base;
327 uint16_t vpi_used;
328 uint16_t max_vfi;
329 uint16_t vfi_base;
330 uint16_t vfi_used;
331 uint16_t max_fcfi;
James Smartda0436e2009-05-22 14:51:39 -0400332 uint16_t fcfi_used;
333 uint16_t max_eq;
334 uint16_t max_rq;
335 uint16_t max_cq;
336 uint16_t max_wq;
337};
338
339struct lpfc_hba;
340/* SLI4 HBA multi-fcp queue handler struct */
341struct lpfc_fcp_eq_hdl {
342 uint32_t idx;
343 struct lpfc_hba *phba;
344};
345
James Smart28baac72010-02-12 14:42:03 -0500346/* Port Capabilities for SLI4 Parameters */
347struct lpfc_pc_sli4_params {
348 uint32_t supported;
349 uint32_t if_type;
350 uint32_t sli_rev;
351 uint32_t sli_family;
352 uint32_t featurelevel_1;
353 uint32_t featurelevel_2;
354 uint32_t proto_types;
355#define LPFC_SLI4_PROTO_FCOE 0x0000001
356#define LPFC_SLI4_PROTO_FC 0x0000002
357#define LPFC_SLI4_PROTO_NIC 0x0000004
358#define LPFC_SLI4_PROTO_ISCSI 0x0000008
359#define LPFC_SLI4_PROTO_RDMA 0x0000010
360 uint32_t sge_supp_len;
361 uint32_t if_page_sz;
362 uint32_t rq_db_window;
363 uint32_t loopbk_scope;
364 uint32_t eq_pages_max;
365 uint32_t eqe_size;
366 uint32_t cq_pages_max;
367 uint32_t cqe_size;
368 uint32_t mq_pages_max;
369 uint32_t mqe_size;
370 uint32_t mq_elem_cnt;
371 uint32_t wq_pages_max;
372 uint32_t wqe_size;
373 uint32_t rq_pages_max;
374 uint32_t rqe_size;
375 uint32_t hdr_pages_max;
376 uint32_t hdr_size;
377 uint32_t hdr_pp_align;
378 uint32_t sgl_pages_max;
379 uint32_t sgl_pp_align;
James Smartfedd3b72011-02-16 12:39:24 -0500380 uint8_t cqv;
381 uint8_t mqv;
382 uint8_t wqv;
383 uint8_t rqv;
James Smart28baac72010-02-12 14:42:03 -0500384};
385
James Smart912e3ac2011-05-24 11:42:11 -0400386struct lpfc_iov {
387 uint32_t pf_number;
388 uint32_t vf_number;
389};
390
James Smartda0436e2009-05-22 14:51:39 -0400391/* SLI4 HBA data structure entries */
392struct lpfc_sli4_hba {
393 void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
394 PCI BAR0, config space registers */
395 void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
396 PCI BAR1, control registers */
397 void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
398 PCI BAR2, doorbell registers */
James Smart2fcee4b2010-12-15 17:57:46 -0500399 union {
400 struct {
401 /* IF Type 0, BAR 0 PCI cfg space reg mem map */
402 void __iomem *UERRLOregaddr;
403 void __iomem *UERRHIregaddr;
404 void __iomem *UEMASKLOregaddr;
405 void __iomem *UEMASKHIregaddr;
406 } if_type0;
407 struct {
408 /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
409 void __iomem *STATUSregaddr;
410 void __iomem *CTRLregaddr;
411 void __iomem *ERR1regaddr;
412 void __iomem *ERR2regaddr;
413 } if_type2;
414 } u;
415
416 /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
417 void __iomem *PSMPHRregaddr;
418
419 /* Well-known SLI INTF register memory map. */
420 void __iomem *SLIINTFregaddr;
421
422 /* IF type 0, BAR 1 function CSR register memory map */
423 void __iomem *ISRregaddr; /* HST_ISR register */
424 void __iomem *IMRregaddr; /* HST_IMR register */
425 void __iomem *ISCRregaddr; /* HST_ISCR register */
426 /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
427 void __iomem *RQDBregaddr; /* RQ_DOORBELL register */
428 void __iomem *WQDBregaddr; /* WQ_DOORBELL register */
429 void __iomem *EQCQDBregaddr; /* EQCQ_DOORBELL register */
430 void __iomem *MQDBregaddr; /* MQ_DOORBELL register */
431 void __iomem *BMBXregaddr; /* BootStrap MBX register */
James Smartda0436e2009-05-22 14:51:39 -0400432
James Smarta747c9c2009-11-18 15:41:10 -0500433 uint32_t ue_mask_lo;
434 uint32_t ue_mask_hi;
James Smart28baac72010-02-12 14:42:03 -0500435 struct lpfc_register sli_intf;
436 struct lpfc_pc_sli4_params pc_sli4_params;
James Smartda0436e2009-05-22 14:51:39 -0400437 struct msix_entry *msix_entries;
438 uint32_t cfg_eqn;
James Smart75baf692010-06-08 18:31:21 -0400439 uint32_t msix_vec_nr;
James Smartda0436e2009-05-22 14:51:39 -0400440 struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
441 /* Pointers to the constructed SLI4 queues */
442 struct lpfc_queue **fp_eq; /* Fast-path event queue */
443 struct lpfc_queue *sp_eq; /* Slow-path event queue */
444 struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */
445 struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
446 struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
447 struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
448 struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
449 struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */
450 struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
451 struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
James Smartda0436e2009-05-22 14:51:39 -0400452
453 /* Setup information for various queue parameters */
454 int eq_esize;
455 int eq_ecount;
456 int cq_esize;
457 int cq_ecount;
458 int wq_esize;
459 int wq_ecount;
460 int mq_esize;
461 int mq_ecount;
462 int rq_esize;
463 int rq_ecount;
464#define LPFC_SP_EQ_MAX_INTR_SEC 10000
465#define LPFC_FP_EQ_MAX_INTR_SEC 10000
466
467 uint32_t intr_enable;
468 struct lpfc_bmbx bmbx;
469 struct lpfc_max_cfg_param max_cfg_param;
James Smart6d368e52011-05-24 11:44:12 -0400470 uint16_t extents_in_use; /* must allocate resource extents. */
471 uint16_t rpi_hdrs_in_use; /* must post rpi hdrs if set. */
James Smartda0436e2009-05-22 14:51:39 -0400472 uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
473 uint16_t next_rpi;
474 uint16_t scsi_xri_max;
475 uint16_t scsi_xri_cnt;
James Smart6d368e52011-05-24 11:44:12 -0400476 uint16_t scsi_xri_start;
James Smartda0436e2009-05-22 14:51:39 -0400477 struct list_head lpfc_free_sgl_list;
478 struct list_head lpfc_sgl_list;
479 struct lpfc_sglq **lpfc_els_sgl_array;
480 struct list_head lpfc_abts_els_sgl_list;
481 struct lpfc_scsi_buf **lpfc_scsi_psb_array;
482 struct list_head lpfc_abts_scsi_buf_list;
483 uint32_t total_sglq_bufs;
484 struct lpfc_sglq **lpfc_sglq_active_list;
485 struct list_head lpfc_rpi_hdr_list;
486 unsigned long *rpi_bmask;
James Smart6d368e52011-05-24 11:44:12 -0400487 uint16_t *rpi_ids;
James Smartda0436e2009-05-22 14:51:39 -0400488 uint16_t rpi_count;
James Smart6d368e52011-05-24 11:44:12 -0400489 struct list_head lpfc_rpi_blk_list;
490 unsigned long *xri_bmask;
491 uint16_t *xri_ids;
492 uint16_t xri_count;
493 struct list_head lpfc_xri_blk_list;
494 unsigned long *vfi_bmask;
495 uint16_t *vfi_ids;
496 uint16_t vfi_count;
497 struct list_head lpfc_vfi_blk_list;
James Smartda0436e2009-05-22 14:51:39 -0400498 struct lpfc_sli4_flags sli4_flags;
James Smart45ed1192009-10-02 15:17:02 -0400499 struct list_head sp_queue_event;
James Smartda0436e2009-05-22 14:51:39 -0400500 struct list_head sp_cqe_event_pool;
501 struct list_head sp_asynce_work_queue;
502 struct list_head sp_fcp_xri_aborted_work_queue;
503 struct list_head sp_els_xri_aborted_work_queue;
504 struct list_head sp_unsol_work_queue;
505 struct lpfc_sli4_link link_state;
James Smart912e3ac2011-05-24 11:42:11 -0400506 struct lpfc_iov iov;
James Smartda0436e2009-05-22 14:51:39 -0400507 spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
508 spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
509};
510
511enum lpfc_sge_type {
512 GEN_BUFF_TYPE,
513 SCSI_BUFF_TYPE
514};
515
James Smart0f65ff62010-02-26 14:14:23 -0500516enum lpfc_sgl_state {
517 SGL_FREED,
518 SGL_ALLOCATED,
519 SGL_XRI_ABORTED
520};
521
James Smartda0436e2009-05-22 14:51:39 -0400522struct lpfc_sglq {
523 /* lpfc_sglqs are used in double linked lists */
524 struct list_head list;
525 struct list_head clist;
526 enum lpfc_sge_type buff_type; /* is this a scsi sgl */
James Smart0f65ff62010-02-26 14:14:23 -0500527 enum lpfc_sgl_state state;
James Smart19ca7602010-11-20 23:11:55 -0500528 struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
James Smartda0436e2009-05-22 14:51:39 -0400529 uint16_t iotag; /* pre-assigned IO tag */
James Smart6d368e52011-05-24 11:44:12 -0400530 uint16_t sli4_lxritag; /* logical pre-assigned xri. */
James Smartda0436e2009-05-22 14:51:39 -0400531 uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */
532 struct sli4_sge *sgl; /* pre-assigned SGL */
533 void *virt; /* virtual address. */
534 dma_addr_t phys; /* physical address */
535};
536
537struct lpfc_rpi_hdr {
538 struct list_head list;
539 uint32_t len;
540 struct lpfc_dmabuf *dmabuf;
541 uint32_t page_count;
542 uint32_t start_rpi;
543};
544
James Smart6d368e52011-05-24 11:44:12 -0400545struct lpfc_rsrc_blks {
546 struct list_head list;
547 uint16_t rsrc_start;
548 uint16_t rsrc_size;
549 uint16_t rsrc_used;
550};
551
James Smartda0436e2009-05-22 14:51:39 -0400552/*
553 * SLI4 specific function prototypes
554 */
555int lpfc_pci_function_reset(struct lpfc_hba *);
556int lpfc_sli4_hba_setup(struct lpfc_hba *);
James Smartda0436e2009-05-22 14:51:39 -0400557int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
558 uint8_t, uint32_t, bool);
559void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
560void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
561void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
562 struct lpfc_mbx_sge *);
James Smart0c9ab6f2010-02-26 14:15:57 -0500563int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
564 uint16_t);
James Smartda0436e2009-05-22 14:51:39 -0400565
566void lpfc_sli4_hba_reset(struct lpfc_hba *);
567struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
568 uint32_t);
569void lpfc_sli4_queue_free(struct lpfc_queue *);
570uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint16_t);
571uint32_t lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
572 struct lpfc_queue *, uint32_t, uint32_t);
James Smartb19a0612010-04-06 14:48:51 -0400573int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
574 struct lpfc_queue *, uint32_t);
James Smartda0436e2009-05-22 14:51:39 -0400575uint32_t lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
576 struct lpfc_queue *, uint32_t);
577uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
578 struct lpfc_queue *, struct lpfc_queue *, uint32_t);
579uint32_t lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
580uint32_t lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
581uint32_t lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
582uint32_t lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
583uint32_t lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
584 struct lpfc_queue *);
585int lpfc_sli4_queue_setup(struct lpfc_hba *);
586void lpfc_sli4_queue_unset(struct lpfc_hba *);
587int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
588int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
James Smartda0436e2009-05-22 14:51:39 -0400589uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
590int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
James Smart6d368e52011-05-24 11:44:12 -0400591int lpfc_sli4_post_els_sgl_list(struct lpfc_hba *phba);
592int lpfc_sli4_post_els_sgl_list_ext(struct lpfc_hba *phba);
James Smartda0436e2009-05-22 14:51:39 -0400593int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
James Smart6d368e52011-05-24 11:44:12 -0400594int lpfc_sli4_post_scsi_sgl_blk_ext(struct lpfc_hba *, struct list_head *,
595 int);
James Smartda0436e2009-05-22 14:51:39 -0400596struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
597struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
598void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
599void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
600int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
601int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
602int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
603struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
604void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
605int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
606void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
607void lpfc_sli4_remove_rpis(struct lpfc_hba *);
608void lpfc_sli4_async_event_proc(struct lpfc_hba *);
James Smartecfd03c2010-02-12 14:41:27 -0500609void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
James Smartda0436e2009-05-22 14:51:39 -0400610int lpfc_sli4_resume_rpi(struct lpfc_nodelist *);
611void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
612void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
613void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
614 struct sli4_wcqe_xri_aborted *);
615void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
616 struct sli4_wcqe_xri_aborted *);
James Smart1151e3e2011-02-16 12:39:35 -0500617void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
618void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
James Smartda0436e2009-05-22 14:51:39 -0400619int lpfc_sli4_brdreset(struct lpfc_hba *);
620int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
621void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
622int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
James Smart76a95d72010-11-20 23:11:48 -0500623int lpfc_sli4_init_vpi(struct lpfc_vport *);
James Smartda0436e2009-05-22 14:51:39 -0400624uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
625uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
626void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
James Smart0c9ab6f2010-02-26 14:15:57 -0500627int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
628int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
629int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
630void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
631void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
632void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
633int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
James Smartda0436e2009-05-22 14:51:39 -0400634int lpfc_sli4_post_status_check(struct lpfc_hba *);
635uint8_t lpfc_sli4_mbox_opcode_get(struct lpfc_hba *, struct lpfcMboxq *);
636