blob: 03d25a9d3bf6f5a1dcdcd6bf8aeef631100f247f [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 Smartda0436e2009-05-22 14:51:39 -040084enum lpfc_sli4_queue_type {
85 LPFC_EQ,
86 LPFC_GCQ,
87 LPFC_MCQ,
88 LPFC_WCQ,
89 LPFC_RCQ,
90 LPFC_MQ,
91 LPFC_WQ,
92 LPFC_HRQ,
93 LPFC_DRQ
94};
95
96/* The queue sub-type defines the functional purpose of the queue */
97enum lpfc_sli4_queue_subtype {
98 LPFC_NONE,
99 LPFC_MBOX,
100 LPFC_FCP,
101 LPFC_ELS,
102 LPFC_USOL
103};
104
105union sli4_qe {
106 void *address;
107 struct lpfc_eqe *eqe;
108 struct lpfc_cqe *cqe;
109 struct lpfc_mcqe *mcqe;
110 struct lpfc_wcqe_complete *wcqe_complete;
111 struct lpfc_wcqe_release *wcqe_release;
112 struct sli4_wcqe_xri_aborted *wcqe_xri_aborted;
113 struct lpfc_rcqe_complete *rcqe_complete;
114 struct lpfc_mqe *mqe;
115 union lpfc_wqe *wqe;
116 struct lpfc_rqe *rqe;
117};
118
119struct lpfc_queue {
120 struct list_head list;
121 enum lpfc_sli4_queue_type type;
122 enum lpfc_sli4_queue_subtype subtype;
123 struct lpfc_hba *phba;
124 struct list_head child_list;
125 uint32_t entry_count; /* Number of entries to support on the queue */
126 uint32_t entry_size; /* Size of each queue entry. */
127 uint32_t queue_id; /* Queue ID assigned by the hardware */
James Smart2a622bf2011-02-16 12:40:06 -0500128 uint32_t assoc_qid; /* Queue ID associated with, for CQ/WQ/MQ */
James Smartda0436e2009-05-22 14:51:39 -0400129 struct list_head page_list;
130 uint32_t page_count; /* Number of pages allocated for this queue */
James Smartda0436e2009-05-22 14:51:39 -0400131 uint32_t host_index; /* The host's index for putting or getting */
132 uint32_t hba_index; /* The last known hba index for get or put */
133 union sli4_qe qe[1]; /* array to index entries (must be last) */
134};
135
James Smartda0436e2009-05-22 14:51:39 -0400136struct lpfc_sli4_link {
137 uint8_t speed;
138 uint8_t duplex;
139 uint8_t status;
James Smart70f3c072010-12-15 17:57:33 -0500140 uint8_t type;
141 uint8_t number;
James Smartda0436e2009-05-22 14:51:39 -0400142 uint8_t fault;
James Smart65467b62010-01-26 23:08:29 -0500143 uint16_t logical_speed;
James Smart70f3c072010-12-15 17:57:33 -0500144 uint16_t topology;
James Smartda0436e2009-05-22 14:51:39 -0400145};
146
James Smartecfd03c2010-02-12 14:41:27 -0500147struct lpfc_fcf_rec {
148 uint8_t fabric_name[8];
149 uint8_t switch_name[8];
James Smartda0436e2009-05-22 14:51:39 -0400150 uint8_t mac_addr[6];
151 uint16_t fcf_indx;
James Smartecfd03c2010-02-12 14:41:27 -0500152 uint32_t priority;
153 uint16_t vlan_id;
154 uint32_t addr_mode;
155 uint32_t flag;
156#define BOOT_ENABLE 0x01
157#define RECORD_VALID 0x02
158};
159
160struct lpfc_fcf {
James Smartda0436e2009-05-22 14:51:39 -0400161 uint16_t fcfi;
162 uint32_t fcf_flag;
163#define FCF_AVAILABLE 0x01 /* FCF available for discovery */
164#define FCF_REGISTERED 0x02 /* FCF registered with FW */
James Smartecfd03c2010-02-12 14:41:27 -0500165#define FCF_SCAN_DONE 0x04 /* FCF table scan done */
166#define FCF_IN_USE 0x08 /* Atleast one discovery completed */
James Smart0c9ab6f2010-02-26 14:15:57 -0500167#define FCF_INIT_DISC 0x10 /* Initial FCF discovery */
168#define FCF_DEAD_DISC 0x20 /* FCF DEAD fast FCF failover discovery */
169#define FCF_ACVL_DISC 0x40 /* All CVL fast FCF failover discovery */
170#define FCF_DISCOVERY (FCF_INIT_DISC | FCF_DEAD_DISC | FCF_ACVL_DISC)
171#define FCF_REDISC_PEND 0x80 /* FCF rediscovery pending */
172#define FCF_REDISC_EVT 0x100 /* FCF rediscovery event to worker thread */
173#define FCF_REDISC_FOV 0x200 /* Post FCF rediscovery fast failover */
James Smarta93ff372010-10-22 11:06:08 -0400174#define FCF_REDISC_PROG (FCF_REDISC_PEND | FCF_REDISC_EVT)
James Smartda0436e2009-05-22 14:51:39 -0400175 uint32_t addr_mode;
James Smart999d8132010-03-15 11:24:56 -0400176 uint32_t eligible_fcf_cnt;
James Smartecfd03c2010-02-12 14:41:27 -0500177 struct lpfc_fcf_rec current_rec;
178 struct lpfc_fcf_rec failover_rec;
179 struct timer_list redisc_wait;
James Smart0c9ab6f2010-02-26 14:15:57 -0500180 unsigned long *fcf_rr_bmask; /* Eligible FCF indexes for RR failover */
James Smartda0436e2009-05-22 14:51:39 -0400181};
182
James Smart0c9ab6f2010-02-26 14:15:57 -0500183/*
184 * Maximum FCF table index, it is for driver internal book keeping, it
185 * just needs to be no less than the supported HBA's FCF table size.
186 */
187#define LPFC_SLI4_FCF_TBL_INDX_MAX 32
188
James Smartda0436e2009-05-22 14:51:39 -0400189#define LPFC_REGION23_SIGNATURE "RG23"
190#define LPFC_REGION23_VERSION 1
191#define LPFC_REGION23_LAST_REC 0xff
James Smarta0c87cb2009-07-19 10:01:10 -0400192#define DRIVER_SPECIFIC_TYPE 0xA2
193#define LINUX_DRIVER_ID 0x20
194#define PORT_STE_TYPE 0x1
195
James Smartda0436e2009-05-22 14:51:39 -0400196struct lpfc_fip_param_hdr {
197 uint8_t type;
198#define FCOE_PARAM_TYPE 0xA0
199 uint8_t length;
200#define FCOE_PARAM_LENGTH 2
201 uint8_t parm_version;
202#define FIPP_VERSION 0x01
203 uint8_t parm_flags;
204#define lpfc_fip_param_hdr_fipp_mode_SHIFT 6
205#define lpfc_fip_param_hdr_fipp_mode_MASK 0x3
206#define lpfc_fip_param_hdr_fipp_mode_WORD parm_flags
James Smart6a9c52c2009-10-02 15:16:51 -0400207#define FIPP_MODE_ON 0x1
James Smartda0436e2009-05-22 14:51:39 -0400208#define FIPP_MODE_OFF 0x0
209#define FIPP_VLAN_VALID 0x1
210};
211
212struct lpfc_fcoe_params {
213 uint8_t fc_map[3];
214 uint8_t reserved1;
215 uint16_t vlan_tag;
216 uint8_t reserved[2];
217};
218
219struct lpfc_fcf_conn_hdr {
220 uint8_t type;
221#define FCOE_CONN_TBL_TYPE 0xA1
222 uint8_t length; /* words */
223 uint8_t reserved[2];
224};
225
226struct lpfc_fcf_conn_rec {
227 uint16_t flags;
228#define FCFCNCT_VALID 0x0001
229#define FCFCNCT_BOOT 0x0002
230#define FCFCNCT_PRIMARY 0x0004 /* if not set, Secondary */
231#define FCFCNCT_FBNM_VALID 0x0008
232#define FCFCNCT_SWNM_VALID 0x0010
233#define FCFCNCT_VLAN_VALID 0x0020
234#define FCFCNCT_AM_VALID 0x0040
235#define FCFCNCT_AM_PREFERRED 0x0080 /* if not set, AM Required */
236#define FCFCNCT_AM_SPMA 0x0100 /* if not set, FPMA */
237
238 uint16_t vlan_tag;
239 uint8_t fabric_name[8];
240 uint8_t switch_name[8];
241};
242
243struct lpfc_fcf_conn_entry {
244 struct list_head list;
245 struct lpfc_fcf_conn_rec conn_rec;
246};
247
248/*
249 * Define the host's bootstrap mailbox. This structure contains
250 * the member attributes needed to create, use, and destroy the
251 * bootstrap mailbox region.
252 *
253 * The macro definitions for the bmbx data structure are defined
254 * in lpfc_hw4.h with the register definition.
255 */
256struct lpfc_bmbx {
257 struct lpfc_dmabuf *dmabuf;
258 struct dma_address dma_address;
259 void *avirt;
260 dma_addr_t aphys;
261 uint32_t bmbx_size;
262};
263
264#define LPFC_EQE_SIZE LPFC_EQE_SIZE_4
265
266#define LPFC_EQE_SIZE_4B 4
267#define LPFC_EQE_SIZE_16B 16
268#define LPFC_CQE_SIZE 16
269#define LPFC_WQE_SIZE 64
270#define LPFC_MQE_SIZE 256
271#define LPFC_RQE_SIZE 8
272
273#define LPFC_EQE_DEF_COUNT 1024
274#define LPFC_CQE_DEF_COUNT 256
James Smartf1126682009-06-10 17:22:44 -0400275#define LPFC_WQE_DEF_COUNT 256
James Smartda0436e2009-05-22 14:51:39 -0400276#define LPFC_MQE_DEF_COUNT 16
277#define LPFC_RQE_DEF_COUNT 512
278
279#define LPFC_QUEUE_NOARM false
280#define LPFC_QUEUE_REARM true
281
282
283/*
284 * SLI4 CT field defines
285 */
286#define SLI4_CT_RPI 0
287#define SLI4_CT_VPI 1
288#define SLI4_CT_VFI 2
289#define SLI4_CT_FCFI 3
290
James Smart28baac72010-02-12 14:42:03 -0500291#define LPFC_SLI4_FL1_MAX_SEGMENT_SIZE 0x10000
292#define LPFC_SLI4_FL1_MAX_BUF_SIZE 0X2000
293#define LPFC_SLI4_MIN_BUF_SIZE 0x400
294#define LPFC_SLI4_MAX_BUF_SIZE 0x20000
James Smartda0436e2009-05-22 14:51:39 -0400295
296/*
297 * SLI4 specific data structures
298 */
299struct lpfc_max_cfg_param {
300 uint16_t max_xri;
301 uint16_t xri_base;
302 uint16_t xri_used;
303 uint16_t max_rpi;
304 uint16_t rpi_base;
305 uint16_t rpi_used;
306 uint16_t max_vpi;
307 uint16_t vpi_base;
308 uint16_t vpi_used;
309 uint16_t max_vfi;
310 uint16_t vfi_base;
311 uint16_t vfi_used;
312 uint16_t max_fcfi;
313 uint16_t fcfi_base;
314 uint16_t fcfi_used;
315 uint16_t max_eq;
316 uint16_t max_rq;
317 uint16_t max_cq;
318 uint16_t max_wq;
319};
320
321struct lpfc_hba;
322/* SLI4 HBA multi-fcp queue handler struct */
323struct lpfc_fcp_eq_hdl {
324 uint32_t idx;
325 struct lpfc_hba *phba;
326};
327
James Smart28baac72010-02-12 14:42:03 -0500328/* Port Capabilities for SLI4 Parameters */
329struct lpfc_pc_sli4_params {
330 uint32_t supported;
331 uint32_t if_type;
332 uint32_t sli_rev;
333 uint32_t sli_family;
334 uint32_t featurelevel_1;
335 uint32_t featurelevel_2;
336 uint32_t proto_types;
337#define LPFC_SLI4_PROTO_FCOE 0x0000001
338#define LPFC_SLI4_PROTO_FC 0x0000002
339#define LPFC_SLI4_PROTO_NIC 0x0000004
340#define LPFC_SLI4_PROTO_ISCSI 0x0000008
341#define LPFC_SLI4_PROTO_RDMA 0x0000010
342 uint32_t sge_supp_len;
343 uint32_t if_page_sz;
344 uint32_t rq_db_window;
345 uint32_t loopbk_scope;
346 uint32_t eq_pages_max;
347 uint32_t eqe_size;
348 uint32_t cq_pages_max;
349 uint32_t cqe_size;
350 uint32_t mq_pages_max;
351 uint32_t mqe_size;
352 uint32_t mq_elem_cnt;
353 uint32_t wq_pages_max;
354 uint32_t wqe_size;
355 uint32_t rq_pages_max;
356 uint32_t rqe_size;
357 uint32_t hdr_pages_max;
358 uint32_t hdr_size;
359 uint32_t hdr_pp_align;
360 uint32_t sgl_pages_max;
361 uint32_t sgl_pp_align;
James Smartfedd3b72011-02-16 12:39:24 -0500362 uint8_t cqv;
363 uint8_t mqv;
364 uint8_t wqv;
365 uint8_t rqv;
James Smart28baac72010-02-12 14:42:03 -0500366};
367
James Smart912e3ac2011-05-24 11:42:11 -0400368struct lpfc_iov {
369 uint32_t pf_number;
370 uint32_t vf_number;
371};
372
James Smartda0436e2009-05-22 14:51:39 -0400373/* SLI4 HBA data structure entries */
374struct lpfc_sli4_hba {
375 void __iomem *conf_regs_memmap_p; /* Kernel memory mapped address for
376 PCI BAR0, config space registers */
377 void __iomem *ctrl_regs_memmap_p; /* Kernel memory mapped address for
378 PCI BAR1, control registers */
379 void __iomem *drbl_regs_memmap_p; /* Kernel memory mapped address for
380 PCI BAR2, doorbell registers */
James Smart2fcee4b2010-12-15 17:57:46 -0500381 union {
382 struct {
383 /* IF Type 0, BAR 0 PCI cfg space reg mem map */
384 void __iomem *UERRLOregaddr;
385 void __iomem *UERRHIregaddr;
386 void __iomem *UEMASKLOregaddr;
387 void __iomem *UEMASKHIregaddr;
388 } if_type0;
389 struct {
390 /* IF Type 2, BAR 0 PCI cfg space reg mem map. */
391 void __iomem *STATUSregaddr;
392 void __iomem *CTRLregaddr;
393 void __iomem *ERR1regaddr;
394 void __iomem *ERR2regaddr;
395 } if_type2;
396 } u;
397
398 /* IF type 0, BAR1 and if type 2, Bar 0 CSR register memory map */
399 void __iomem *PSMPHRregaddr;
400
401 /* Well-known SLI INTF register memory map. */
402 void __iomem *SLIINTFregaddr;
403
404 /* IF type 0, BAR 1 function CSR register memory map */
405 void __iomem *ISRregaddr; /* HST_ISR register */
406 void __iomem *IMRregaddr; /* HST_IMR register */
407 void __iomem *ISCRregaddr; /* HST_ISCR register */
408 /* IF type 0, BAR 0 and if type 2, BAR 0 doorbell register memory map */
409 void __iomem *RQDBregaddr; /* RQ_DOORBELL register */
410 void __iomem *WQDBregaddr; /* WQ_DOORBELL register */
411 void __iomem *EQCQDBregaddr; /* EQCQ_DOORBELL register */
412 void __iomem *MQDBregaddr; /* MQ_DOORBELL register */
413 void __iomem *BMBXregaddr; /* BootStrap MBX register */
James Smartda0436e2009-05-22 14:51:39 -0400414
James Smarta747c9c2009-11-18 15:41:10 -0500415 uint32_t ue_mask_lo;
416 uint32_t ue_mask_hi;
James Smart28baac72010-02-12 14:42:03 -0500417 struct lpfc_register sli_intf;
418 struct lpfc_pc_sli4_params pc_sli4_params;
James Smartda0436e2009-05-22 14:51:39 -0400419 struct msix_entry *msix_entries;
420 uint32_t cfg_eqn;
James Smart75baf692010-06-08 18:31:21 -0400421 uint32_t msix_vec_nr;
James Smartda0436e2009-05-22 14:51:39 -0400422 struct lpfc_fcp_eq_hdl *fcp_eq_hdl; /* FCP per-WQ handle */
423 /* Pointers to the constructed SLI4 queues */
424 struct lpfc_queue **fp_eq; /* Fast-path event queue */
425 struct lpfc_queue *sp_eq; /* Slow-path event queue */
426 struct lpfc_queue **fcp_wq;/* Fast-path FCP work queue */
427 struct lpfc_queue *mbx_wq; /* Slow-path MBOX work queue */
428 struct lpfc_queue *els_wq; /* Slow-path ELS work queue */
429 struct lpfc_queue *hdr_rq; /* Slow-path Header Receive queue */
430 struct lpfc_queue *dat_rq; /* Slow-path Data Receive queue */
431 struct lpfc_queue **fcp_cq;/* Fast-path FCP compl queue */
432 struct lpfc_queue *mbx_cq; /* Slow-path mailbox complete queue */
433 struct lpfc_queue *els_cq; /* Slow-path ELS response complete queue */
James Smartda0436e2009-05-22 14:51:39 -0400434
435 /* Setup information for various queue parameters */
436 int eq_esize;
437 int eq_ecount;
438 int cq_esize;
439 int cq_ecount;
440 int wq_esize;
441 int wq_ecount;
442 int mq_esize;
443 int mq_ecount;
444 int rq_esize;
445 int rq_ecount;
446#define LPFC_SP_EQ_MAX_INTR_SEC 10000
447#define LPFC_FP_EQ_MAX_INTR_SEC 10000
448
449 uint32_t intr_enable;
450 struct lpfc_bmbx bmbx;
451 struct lpfc_max_cfg_param max_cfg_param;
452 uint16_t next_xri; /* last_xri - max_cfg_param.xri_base = used */
453 uint16_t next_rpi;
454 uint16_t scsi_xri_max;
455 uint16_t scsi_xri_cnt;
456 struct list_head lpfc_free_sgl_list;
457 struct list_head lpfc_sgl_list;
458 struct lpfc_sglq **lpfc_els_sgl_array;
459 struct list_head lpfc_abts_els_sgl_list;
460 struct lpfc_scsi_buf **lpfc_scsi_psb_array;
461 struct list_head lpfc_abts_scsi_buf_list;
462 uint32_t total_sglq_bufs;
463 struct lpfc_sglq **lpfc_sglq_active_list;
464 struct list_head lpfc_rpi_hdr_list;
465 unsigned long *rpi_bmask;
466 uint16_t rpi_count;
467 struct lpfc_sli4_flags sli4_flags;
James Smart45ed1192009-10-02 15:17:02 -0400468 struct list_head sp_queue_event;
James Smartda0436e2009-05-22 14:51:39 -0400469 struct list_head sp_cqe_event_pool;
470 struct list_head sp_asynce_work_queue;
471 struct list_head sp_fcp_xri_aborted_work_queue;
472 struct list_head sp_els_xri_aborted_work_queue;
473 struct list_head sp_unsol_work_queue;
474 struct lpfc_sli4_link link_state;
James Smart912e3ac2011-05-24 11:42:11 -0400475 struct lpfc_iov iov;
James Smartda0436e2009-05-22 14:51:39 -0400476 spinlock_t abts_scsi_buf_list_lock; /* list of aborted SCSI IOs */
477 spinlock_t abts_sgl_list_lock; /* list of aborted els IOs */
478};
479
480enum lpfc_sge_type {
481 GEN_BUFF_TYPE,
482 SCSI_BUFF_TYPE
483};
484
James Smart0f65ff62010-02-26 14:14:23 -0500485enum lpfc_sgl_state {
486 SGL_FREED,
487 SGL_ALLOCATED,
488 SGL_XRI_ABORTED
489};
490
James Smartda0436e2009-05-22 14:51:39 -0400491struct lpfc_sglq {
492 /* lpfc_sglqs are used in double linked lists */
493 struct list_head list;
494 struct list_head clist;
495 enum lpfc_sge_type buff_type; /* is this a scsi sgl */
James Smart0f65ff62010-02-26 14:14:23 -0500496 enum lpfc_sgl_state state;
James Smart19ca7602010-11-20 23:11:55 -0500497 struct lpfc_nodelist *ndlp; /* ndlp associated with IO */
James Smartda0436e2009-05-22 14:51:39 -0400498 uint16_t iotag; /* pre-assigned IO tag */
499 uint16_t sli4_xritag; /* pre-assigned XRI, (OXID) tag. */
500 struct sli4_sge *sgl; /* pre-assigned SGL */
501 void *virt; /* virtual address. */
502 dma_addr_t phys; /* physical address */
503};
504
505struct lpfc_rpi_hdr {
506 struct list_head list;
507 uint32_t len;
508 struct lpfc_dmabuf *dmabuf;
509 uint32_t page_count;
510 uint32_t start_rpi;
511};
512
513/*
514 * SLI4 specific function prototypes
515 */
516int lpfc_pci_function_reset(struct lpfc_hba *);
517int lpfc_sli4_hba_setup(struct lpfc_hba *);
James Smartda0436e2009-05-22 14:51:39 -0400518int lpfc_sli4_config(struct lpfc_hba *, struct lpfcMboxq *, uint8_t,
519 uint8_t, uint32_t, bool);
520void lpfc_sli4_mbox_cmd_free(struct lpfc_hba *, struct lpfcMboxq *);
521void lpfc_sli4_mbx_sge_set(struct lpfcMboxq *, uint32_t, dma_addr_t, uint32_t);
522void lpfc_sli4_mbx_sge_get(struct lpfcMboxq *, uint32_t,
523 struct lpfc_mbx_sge *);
James Smart0c9ab6f2010-02-26 14:15:57 -0500524int lpfc_sli4_mbx_read_fcf_rec(struct lpfc_hba *, struct lpfcMboxq *,
525 uint16_t);
James Smartda0436e2009-05-22 14:51:39 -0400526
527void lpfc_sli4_hba_reset(struct lpfc_hba *);
528struct lpfc_queue *lpfc_sli4_queue_alloc(struct lpfc_hba *, uint32_t,
529 uint32_t);
530void lpfc_sli4_queue_free(struct lpfc_queue *);
531uint32_t lpfc_eq_create(struct lpfc_hba *, struct lpfc_queue *, uint16_t);
532uint32_t lpfc_cq_create(struct lpfc_hba *, struct lpfc_queue *,
533 struct lpfc_queue *, uint32_t, uint32_t);
James Smartb19a0612010-04-06 14:48:51 -0400534int32_t lpfc_mq_create(struct lpfc_hba *, struct lpfc_queue *,
535 struct lpfc_queue *, uint32_t);
James Smartda0436e2009-05-22 14:51:39 -0400536uint32_t lpfc_wq_create(struct lpfc_hba *, struct lpfc_queue *,
537 struct lpfc_queue *, uint32_t);
538uint32_t lpfc_rq_create(struct lpfc_hba *, struct lpfc_queue *,
539 struct lpfc_queue *, struct lpfc_queue *, uint32_t);
540uint32_t lpfc_eq_destroy(struct lpfc_hba *, struct lpfc_queue *);
541uint32_t lpfc_cq_destroy(struct lpfc_hba *, struct lpfc_queue *);
542uint32_t lpfc_mq_destroy(struct lpfc_hba *, struct lpfc_queue *);
543uint32_t lpfc_wq_destroy(struct lpfc_hba *, struct lpfc_queue *);
544uint32_t lpfc_rq_destroy(struct lpfc_hba *, struct lpfc_queue *,
545 struct lpfc_queue *);
546int lpfc_sli4_queue_setup(struct lpfc_hba *);
547void lpfc_sli4_queue_unset(struct lpfc_hba *);
548int lpfc_sli4_post_sgl(struct lpfc_hba *, dma_addr_t, dma_addr_t, uint16_t);
549int lpfc_sli4_repost_scsi_sgl_list(struct lpfc_hba *);
James Smartda0436e2009-05-22 14:51:39 -0400550uint16_t lpfc_sli4_next_xritag(struct lpfc_hba *);
551int lpfc_sli4_post_async_mbox(struct lpfc_hba *);
552int lpfc_sli4_post_sgl_list(struct lpfc_hba *phba);
553int lpfc_sli4_post_scsi_sgl_block(struct lpfc_hba *, struct list_head *, int);
554struct lpfc_cq_event *__lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
555struct lpfc_cq_event *lpfc_sli4_cq_event_alloc(struct lpfc_hba *);
556void __lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
557void lpfc_sli4_cq_event_release(struct lpfc_hba *, struct lpfc_cq_event *);
558int lpfc_sli4_init_rpi_hdrs(struct lpfc_hba *);
559int lpfc_sli4_post_rpi_hdr(struct lpfc_hba *, struct lpfc_rpi_hdr *);
560int lpfc_sli4_post_all_rpi_hdrs(struct lpfc_hba *);
561struct lpfc_rpi_hdr *lpfc_sli4_create_rpi_hdr(struct lpfc_hba *);
562void lpfc_sli4_remove_rpi_hdrs(struct lpfc_hba *);
563int lpfc_sli4_alloc_rpi(struct lpfc_hba *);
564void lpfc_sli4_free_rpi(struct lpfc_hba *, int);
565void lpfc_sli4_remove_rpis(struct lpfc_hba *);
566void lpfc_sli4_async_event_proc(struct lpfc_hba *);
James Smartecfd03c2010-02-12 14:41:27 -0500567void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *);
James Smartda0436e2009-05-22 14:51:39 -0400568int lpfc_sli4_resume_rpi(struct lpfc_nodelist *);
569void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *);
570void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *);
571void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *,
572 struct sli4_wcqe_xri_aborted *);
573void lpfc_sli4_els_xri_aborted(struct lpfc_hba *,
574 struct sli4_wcqe_xri_aborted *);
James Smart1151e3e2011-02-16 12:39:35 -0500575void lpfc_sli4_vport_delete_els_xri_aborted(struct lpfc_vport *);
576void lpfc_sli4_vport_delete_fcp_xri_aborted(struct lpfc_vport *);
James Smartda0436e2009-05-22 14:51:39 -0400577int lpfc_sli4_brdreset(struct lpfc_hba *);
578int lpfc_sli4_add_fcf_record(struct lpfc_hba *, struct fcf_record *);
579void lpfc_sli_remove_dflt_fcf(struct lpfc_hba *);
580int lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *);
James Smart76a95d72010-11-20 23:11:48 -0500581int lpfc_sli4_init_vpi(struct lpfc_vport *);
James Smartda0436e2009-05-22 14:51:39 -0400582uint32_t lpfc_sli4_cq_release(struct lpfc_queue *, bool);
583uint32_t lpfc_sli4_eq_release(struct lpfc_queue *, bool);
584void lpfc_sli4_fcfi_unreg(struct lpfc_hba *, uint16_t);
James Smart0c9ab6f2010-02-26 14:15:57 -0500585int lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *, uint16_t);
586int lpfc_sli4_fcf_rr_read_fcf_rec(struct lpfc_hba *, uint16_t);
587int lpfc_sli4_read_fcf_rec(struct lpfc_hba *, uint16_t);
588void lpfc_mbx_cmpl_fcf_scan_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
589void lpfc_mbx_cmpl_fcf_rr_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
590void lpfc_mbx_cmpl_read_fcf_rec(struct lpfc_hba *, LPFC_MBOXQ_t *);
591int lpfc_sli4_unregister_fcf(struct lpfc_hba *);
James Smartda0436e2009-05-22 14:51:39 -0400592int lpfc_sli4_post_status_check(struct lpfc_hba *);
593uint8_t lpfc_sli4_mbox_opcode_get(struct lpfc_hba *, struct lpfcMboxq *);
594