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Krishna Gudipatia36c61f2010-09-15 11:50:55 -07001/*
2 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
3 * All rights reserved
4 * www.brocade.com
5 *
6 * Linux driver for Brocade Fibre Channel Host Bus Adapter.
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License (GPL) Version 2 as
10 * published by the Free Software Foundation
11 *
12 * This program is distributed in the hope that it will be useful, but
13 * WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * General Public License for more details.
16 */
17
18#ifndef __BFA_FCPIM_H__
19#define __BFA_FCPIM_H__
20
21#include "bfa.h"
22#include "bfa_svc.h"
23#include "bfi_ms.h"
24#include "bfa_defs_svc.h"
25#include "bfa_cs.h"
26
Krishna Gudipatie2187d72011-06-13 15:53:58 -070027/* FCP module related definitions */
Krishna Gudipati45070252011-06-24 20:24:29 -070028#define BFA_IO_MAX BFI_IO_MAX
29#define BFA_FWTIO_MAX 2000
Krishna Gudipatie2187d72011-06-13 15:53:58 -070030
31struct bfa_fcp_mod_s;
32struct bfa_iotag_s {
33 struct list_head qe; /* queue element */
34 u16 tag; /* FW IO tag */
35};
36
37struct bfa_itn_s {
38 bfa_isr_func_t isr;
39};
40
41void bfa_itn_create(struct bfa_s *bfa, struct bfa_rport_s *rport,
42 void (*isr)(struct bfa_s *bfa, struct bfi_msg_s *m));
43void bfa_itn_isr(struct bfa_s *bfa, struct bfi_msg_s *m);
Krishna Gudipati45070252011-06-24 20:24:29 -070044void bfa_iotag_attach(struct bfa_fcp_mod_s *fcp);
Krishna Gudipati3fd45982011-06-24 20:24:08 -070045void bfa_fcp_res_recfg(struct bfa_s *bfa, u16 num_ioim_fw);
Krishna Gudipatie2187d72011-06-13 15:53:58 -070046
47#define BFA_FCP_MOD(_hal) (&(_hal)->modules.fcp_mod)
Krishna Gudipati45070252011-06-24 20:24:29 -070048#define BFA_MEM_FCP_KVA(__bfa) (&(BFA_FCP_MOD(__bfa)->kva_seg))
Krishna Gudipatie2187d72011-06-13 15:53:58 -070049#define BFA_IOTAG_FROM_TAG(_fcp, _tag) \
50 (&(_fcp)->iotag_arr[(_tag & BFA_IOIM_IOTAG_MASK)])
51#define BFA_ITN_FROM_TAG(_fcp, _tag) \
52 ((_fcp)->itn_arr + ((_tag) & ((_fcp)->num_itns - 1)))
53#define BFA_SNSINFO_FROM_TAG(_fcp, _tag) \
Krishna Gudipati45070252011-06-24 20:24:29 -070054 bfa_mem_get_dmabuf_kva(_fcp, _tag, BFI_IOIM_SNSLEN)
Krishna Gudipatia36c61f2010-09-15 11:50:55 -070055
56#define BFA_ITNIM_MIN 32
57#define BFA_ITNIM_MAX 1024
58
59#define BFA_IOIM_MIN 8
60#define BFA_IOIM_MAX 2000
61
62#define BFA_TSKIM_MIN 4
63#define BFA_TSKIM_MAX 512
64#define BFA_FCPIM_PATHTOV_DEF (30 * 1000) /* in millisecs */
65#define BFA_FCPIM_PATHTOV_MAX (90 * 1000) /* in millisecs */
66
67
68#define bfa_itnim_ioprofile_update(__itnim, __index) \
69 (__itnim->ioprofile.iocomps[__index]++)
70
71#define BFA_IOIM_RETRY_TAG_OFFSET 11
Krishna Gudipati15821f02010-12-13 16:23:27 -080072#define BFA_IOIM_IOTAG_MASK 0x07ff /* 2K IOs */
Krishna Gudipatia36c61f2010-09-15 11:50:55 -070073#define BFA_IOIM_RETRY_MAX 7
74
75/* Buckets are are 512 bytes to 2MB */
76static inline u32
77bfa_ioim_get_index(u32 n) {
78 int pos = 0;
79 if (n >= (1UL)<<22)
80 return BFA_IOBUCKET_MAX - 1;
81 n >>= 8;
Krishna Gudipati42a8e6e2011-07-20 17:01:52 -070082 if (n >= (1UL)<<16) {
83 n >>= 16;
84 pos += 16;
85 }
86 if (n >= 1 << 8) {
87 n >>= 8;
88 pos += 8;
89 }
90 if (n >= 1 << 4) {
91 n >>= 4;
92 pos += 4;
93 }
94 if (n >= 1 << 2) {
95 n >>= 2;
96 pos += 2;
97 }
Krishna Gudipatia36c61f2010-09-15 11:50:55 -070098 if (n >= 1 << 1)
99 pos += 1;
100
101 return (n == 0) ? (0) : pos;
102}
103
104/*
105 * forward declarations
106 */
107struct bfa_ioim_s;
108struct bfa_tskim_s;
109struct bfad_ioim_s;
110struct bfad_tskim_s;
111
112typedef void (*bfa_fcpim_profile_t) (struct bfa_ioim_s *ioim);
Krishna Gudipati83763d52011-07-20 17:04:03 -0700113typedef bfa_boolean_t (*bfa_ioim_lm_proc_rsp_data_t) (struct bfa_ioim_s *ioim);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700114
Krishna Gudipatie2187d72011-06-13 15:53:58 -0700115struct bfa_fcpim_s {
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700116 struct bfa_s *bfa;
Krishna Gudipatie2187d72011-06-13 15:53:58 -0700117 struct bfa_fcp_mod_s *fcp;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700118 struct bfa_itnim_s *itnim_arr;
119 struct bfa_ioim_s *ioim_arr;
120 struct bfa_ioim_sp_s *ioim_sp_arr;
121 struct bfa_tskim_s *tskim_arr;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700122 int num_itnims;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700123 int num_tskim_reqs;
124 u32 path_tov;
125 u16 q_depth;
126 u8 reqq; /* Request queue to be used */
Krishna Gudipati83763d52011-07-20 17:04:03 -0700127 u8 lun_masking_pending;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700128 struct list_head itnim_q; /* queue of active itnim */
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700129 struct list_head ioim_resfree_q; /* IOs waiting for f/w */
130 struct list_head ioim_comp_q; /* IO global comp Q */
131 struct list_head tskim_free_q;
Krishna Gudipati3fd45982011-06-24 20:24:08 -0700132 struct list_head tskim_unused_q; /* Unused tskim Q */
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800133 u32 ios_active; /* current active IOs */
134 u32 delay_comp;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700135 struct bfa_fcpim_del_itn_stats_s del_itn_stats;
136 bfa_boolean_t ioredirect;
137 bfa_boolean_t io_profile;
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800138 u32 io_profile_start_time;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700139 bfa_fcpim_profile_t profile_comp;
140 bfa_fcpim_profile_t profile_start;
141};
142
Krishna Gudipati45070252011-06-24 20:24:29 -0700143/* Max FCP dma segs required */
144#define BFA_FCP_DMA_SEGS BFI_IOIM_SNSBUF_SEGS
145
Krishna Gudipatie2187d72011-06-13 15:53:58 -0700146struct bfa_fcp_mod_s {
147 struct bfa_s *bfa;
148 struct list_head iotag_ioim_free_q; /* free IO resources */
149 struct list_head iotag_tio_free_q; /* free IO resources */
Krishna Gudipati3fd45982011-06-24 20:24:08 -0700150 struct list_head iotag_unused_q; /* unused IO resources*/
Krishna Gudipatie2187d72011-06-13 15:53:58 -0700151 struct bfa_iotag_s *iotag_arr;
152 struct bfa_itn_s *itn_arr;
153 int num_ioim_reqs;
154 int num_fwtio_reqs;
155 int num_itns;
Krishna Gudipati45070252011-06-24 20:24:29 -0700156 struct bfa_dma_s snsbase[BFA_FCP_DMA_SEGS];
Krishna Gudipatie2187d72011-06-13 15:53:58 -0700157 struct bfa_fcpim_s fcpim;
Krishna Gudipati45070252011-06-24 20:24:29 -0700158 struct bfa_mem_dma_s dma_seg[BFA_FCP_DMA_SEGS];
159 struct bfa_mem_kva_s kva_seg;
Krishna Gudipatie2187d72011-06-13 15:53:58 -0700160};
161
Jing Huangacdc79a2010-10-18 17:15:55 -0700162/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700163 * BFA IO (initiator mode)
164 */
165struct bfa_ioim_s {
166 struct list_head qe; /* queue elememt */
167 bfa_sm_t sm; /* BFA ioim state machine */
168 struct bfa_s *bfa; /* BFA module */
Krishna Gudipatie2187d72011-06-13 15:53:58 -0700169 struct bfa_fcpim_s *fcpim; /* parent fcpim module */
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700170 struct bfa_itnim_s *itnim; /* i-t-n nexus for this IO */
171 struct bfad_ioim_s *dio; /* driver IO handle */
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800172 u16 iotag; /* FWI IO tag */
173 u16 abort_tag; /* unqiue abort request tag */
174 u16 nsges; /* number of SG elements */
175 u16 nsgpgs; /* number of SG pages */
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700176 struct bfa_sgpg_s *sgpg; /* first SG page */
177 struct list_head sgpg_q; /* allocated SG pages */
178 struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */
179 bfa_cb_cbfn_t io_cbfn; /* IO completion handler */
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800180 struct bfa_ioim_sp_s *iosp; /* slow-path IO handling */
181 u8 reqq; /* Request queue for I/O */
Krishna Gudipati83763d52011-07-20 17:04:03 -0700182 u8 mode; /* IO is passthrough or not */
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800183 u64 start_time; /* IO's Profile start val */
Krishna Gudipati83763d52011-07-20 17:04:03 -0700184 bfa_ioim_lm_proc_rsp_data_t proc_rsp_data; /* RSP data adjust */
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700185};
186
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700187struct bfa_ioim_sp_s {
188 struct bfi_msg_s comp_rspmsg; /* IO comp f/w response */
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800189 struct bfa_sgpg_wqe_s sgpg_wqe; /* waitq elem for sgpg */
190 struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700191 bfa_boolean_t abort_explicit; /* aborted by OS */
192 struct bfa_tskim_s *tskim; /* Relevant TM cmd */
193};
194
Jing Huangacdc79a2010-10-18 17:15:55 -0700195/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700196 * BFA Task management command (initiator mode)
197 */
198struct bfa_tskim_s {
199 struct list_head qe;
200 bfa_sm_t sm;
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800201 struct bfa_s *bfa; /* BFA module */
Krishna Gudipatie2187d72011-06-13 15:53:58 -0700202 struct bfa_fcpim_s *fcpim; /* parent fcpim module */
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700203 struct bfa_itnim_s *itnim; /* i-t-n nexus for this IO */
Maggie Zhangf3148782010-12-09 19:11:39 -0800204 struct bfad_tskim_s *dtsk; /* driver task mgmt cmnd */
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800205 bfa_boolean_t notify; /* notify itnim on TM comp */
Maggie Zhangf3148782010-12-09 19:11:39 -0800206 struct scsi_lun lun; /* lun if applicable */
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800207 enum fcp_tm_cmnd tm_cmnd; /* task management command */
208 u16 tsk_tag; /* FWI IO tag */
209 u8 tsecs; /* timeout in seconds */
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700210 struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */
211 struct list_head io_q; /* queue of affected IOs */
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800212 struct bfa_wc_s wc; /* waiting counter */
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700213 struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */
214 enum bfi_tskim_status tsk_status; /* TM status */
215};
216
Jing Huangacdc79a2010-10-18 17:15:55 -0700217/*
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700218 * BFA i-t-n (initiator mode)
219 */
220struct bfa_itnim_s {
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800221 struct list_head qe; /* queue element */
222 bfa_sm_t sm; /* i-t-n im BFA state machine */
223 struct bfa_s *bfa; /* bfa instance */
224 struct bfa_rport_s *rport; /* bfa rport */
225 void *ditn; /* driver i-t-n structure */
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700226 struct bfi_mhdr_s mhdr; /* pre-built mhdr */
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800227 u8 msg_no; /* itnim/rport firmware handle */
228 u8 reqq; /* CQ for requests */
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700229 struct bfa_cb_qe_s hcb_qe; /* bfa callback qelem */
230 struct list_head pending_q; /* queue of pending IO requests */
231 struct list_head io_q; /* queue of active IO requests */
232 struct list_head io_cleanup_q; /* IO being cleaned up */
233 struct list_head tsk_q; /* queue of active TM commands */
234 struct list_head delay_comp_q; /* queue of failed inflight cmds */
235 bfa_boolean_t seq_rec; /* SQER supported */
236 bfa_boolean_t is_online; /* itnim is ONLINE for IO */
237 bfa_boolean_t iotov_active; /* IO TOV timer is active */
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800238 struct bfa_wc_s wc; /* waiting counter */
239 struct bfa_timer_s timer; /* pending IO TOV */
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700240 struct bfa_reqq_wait_s reqq_wait; /* to wait for room in reqq */
Krishna Gudipatie2187d72011-06-13 15:53:58 -0700241 struct bfa_fcpim_s *fcpim; /* fcpim module */
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700242 struct bfa_itnim_iostats_s stats;
243 struct bfa_itnim_ioprofile_s ioprofile;
244};
245
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700246#define bfa_itnim_is_online(_itnim) ((_itnim)->is_online)
Krishna Gudipatie2187d72011-06-13 15:53:58 -0700247#define BFA_FCPIM(_hal) (&(_hal)->modules.fcp_mod.fcpim)
Krishna Gudipati15821f02010-12-13 16:23:27 -0800248#define BFA_IOIM_TAG_2_ID(_iotag) ((_iotag) & BFA_IOIM_IOTAG_MASK)
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700249#define BFA_IOIM_FROM_TAG(_fcpim, _iotag) \
Krishna Gudipati15821f02010-12-13 16:23:27 -0800250 (&fcpim->ioim_arr[(_iotag & BFA_IOIM_IOTAG_MASK)])
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700251#define BFA_TSKIM_FROM_TAG(_fcpim, _tmtag) \
252 (&fcpim->tskim_arr[_tmtag & (fcpim->num_tskim_reqs - 1)])
253
254#define bfa_io_profile_start_time(_bfa) \
Krishna Gudipatie2187d72011-06-13 15:53:58 -0700255 ((_bfa)->modules.fcp_mod.fcpim.io_profile_start_time)
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700256#define bfa_fcpim_get_io_profile(_bfa) \
Krishna Gudipatie2187d72011-06-13 15:53:58 -0700257 ((_bfa)->modules.fcp_mod.fcpim.io_profile)
Krishna Gudipati15821f02010-12-13 16:23:27 -0800258#define bfa_ioim_update_iotag(__ioim) do { \
259 uint16_t k = (__ioim)->iotag >> BFA_IOIM_RETRY_TAG_OFFSET; \
260 k++; (__ioim)->iotag &= BFA_IOIM_IOTAG_MASK; \
261 (__ioim)->iotag |= k << BFA_IOIM_RETRY_TAG_OFFSET; \
262} while (0)
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700263
Krishna Gudipati83763d52011-07-20 17:04:03 -0700264#define BFA_IOIM_TO_LPS(__ioim) \
265 BFA_LPS_FROM_TAG(BFA_LPS_MOD(__ioim->bfa), \
266 __ioim->itnim->rport->rport_info.lp_tag)
267
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700268static inline bfa_boolean_t
Krishna Gudipati15821f02010-12-13 16:23:27 -0800269bfa_ioim_maxretry_reached(struct bfa_ioim_s *ioim)
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700270{
Krishna Gudipati15821f02010-12-13 16:23:27 -0800271 uint16_t k = ioim->iotag >> BFA_IOIM_RETRY_TAG_OFFSET;
272 if (k < BFA_IOIM_RETRY_MAX)
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700273 return BFA_FALSE;
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700274 return BFA_TRUE;
275}
Krishna Gudipati15821f02010-12-13 16:23:27 -0800276
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700277/*
278 * function prototypes
279 */
Krishna Gudipati45070252011-06-24 20:24:29 -0700280void bfa_ioim_attach(struct bfa_fcpim_s *fcpim);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700281void bfa_ioim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
282void bfa_ioim_good_comp_isr(struct bfa_s *bfa,
283 struct bfi_msg_s *msg);
284void bfa_ioim_cleanup(struct bfa_ioim_s *ioim);
285void bfa_ioim_cleanup_tm(struct bfa_ioim_s *ioim,
286 struct bfa_tskim_s *tskim);
287void bfa_ioim_iocdisable(struct bfa_ioim_s *ioim);
288void bfa_ioim_tov(struct bfa_ioim_s *ioim);
289
Krishna Gudipati45070252011-06-24 20:24:29 -0700290void bfa_tskim_attach(struct bfa_fcpim_s *fcpim);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700291void bfa_tskim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
292void bfa_tskim_iodone(struct bfa_tskim_s *tskim);
293void bfa_tskim_iocdisable(struct bfa_tskim_s *tskim);
294void bfa_tskim_cleanup(struct bfa_tskim_s *tskim);
Krishna Gudipati3fd45982011-06-24 20:24:08 -0700295void bfa_tskim_res_recfg(struct bfa_s *bfa, u16 num_tskim_fw);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700296
Krishna Gudipati45070252011-06-24 20:24:29 -0700297void bfa_itnim_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len);
298void bfa_itnim_attach(struct bfa_fcpim_s *fcpim);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700299void bfa_itnim_iocdisable(struct bfa_itnim_s *itnim);
300void bfa_itnim_isr(struct bfa_s *bfa, struct bfi_msg_s *msg);
301void bfa_itnim_iodone(struct bfa_itnim_s *itnim);
302void bfa_itnim_tskdone(struct bfa_itnim_s *itnim);
303bfa_boolean_t bfa_itnim_hold_io(struct bfa_itnim_s *itnim);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700304
305/*
306 * bfa fcpim module API functions
307 */
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800308void bfa_fcpim_path_tov_set(struct bfa_s *bfa, u16 path_tov);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700309u16 bfa_fcpim_path_tov_get(struct bfa_s *bfa);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700310u16 bfa_fcpim_qdepth_get(struct bfa_s *bfa);
Krishna Gudipati60138062011-06-24 20:25:15 -0700311bfa_status_t bfa_fcpim_port_iostats(struct bfa_s *bfa,
312 struct bfa_itnim_iostats_s *stats, u8 lp_tag);
313void bfa_fcpim_add_stats(struct bfa_itnim_iostats_s *fcpim_stats,
314 struct bfa_itnim_iostats_s *itnim_stats);
Krishna Gudipati42a8e6e2011-07-20 17:01:52 -0700315bfa_status_t bfa_fcpim_profile_on(struct bfa_s *bfa, u32 time);
316bfa_status_t bfa_fcpim_profile_off(struct bfa_s *bfa);
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800317
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700318#define bfa_fcpim_ioredirect_enabled(__bfa) \
Krishna Gudipatie2187d72011-06-13 15:53:58 -0700319 (((struct bfa_fcpim_s *)(BFA_FCPIM(__bfa)))->ioredirect)
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700320
321#define bfa_fcpim_get_next_reqq(__bfa, __qid) \
322{ \
Krishna Gudipatie2187d72011-06-13 15:53:58 -0700323 struct bfa_fcpim_s *__fcpim = BFA_FCPIM(__bfa); \
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700324 __fcpim->reqq++; \
325 __fcpim->reqq &= (BFI_IOC_MAX_CQS - 1); \
326 *(__qid) = __fcpim->reqq; \
327}
328
329#define bfa_iocfc_map_msg_to_qid(__msg, __qid) \
330 *(__qid) = (u8)((__msg) & (BFI_IOC_MAX_CQS - 1));
331/*
332 * bfa itnim API functions
333 */
334struct bfa_itnim_s *bfa_itnim_create(struct bfa_s *bfa,
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800335 struct bfa_rport_s *rport, void *itnim);
336void bfa_itnim_delete(struct bfa_itnim_s *itnim);
337void bfa_itnim_online(struct bfa_itnim_s *itnim, bfa_boolean_t seq_rec);
338void bfa_itnim_offline(struct bfa_itnim_s *itnim);
339void bfa_itnim_clear_stats(struct bfa_itnim_s *itnim);
340bfa_status_t bfa_itnim_get_ioprofile(struct bfa_itnim_s *itnim,
341 struct bfa_itnim_ioprofile_s *ioprofile);
342
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700343#define bfa_itnim_get_reqq(__ioim) (((struct bfa_ioim_s *)__ioim)->itnim->reqq)
344
Jing Huangacdc79a2010-10-18 17:15:55 -0700345/*
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800346 * BFA completion callback for bfa_itnim_online().
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700347 */
348void bfa_cb_itnim_online(void *itnim);
349
Jing Huangacdc79a2010-10-18 17:15:55 -0700350/*
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800351 * BFA completion callback for bfa_itnim_offline().
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700352 */
353void bfa_cb_itnim_offline(void *itnim);
354void bfa_cb_itnim_tov_begin(void *itnim);
355void bfa_cb_itnim_tov(void *itnim);
356
Jing Huangacdc79a2010-10-18 17:15:55 -0700357/*
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800358 * BFA notification to FCS/driver for second level error recovery.
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700359 * Atleast one I/O request has timedout and target is unresponsive to
360 * repeated abort requests. Second level error recovery should be initiated
361 * by starting implicit logout and recovery procedures.
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700362 */
363void bfa_cb_itnim_sler(void *itnim);
364
365/*
366 * bfa ioim API functions
367 */
368struct bfa_ioim_s *bfa_ioim_alloc(struct bfa_s *bfa,
369 struct bfad_ioim_s *dio,
370 struct bfa_itnim_s *itnim,
371 u16 nsgles);
372
373void bfa_ioim_free(struct bfa_ioim_s *ioim);
374void bfa_ioim_start(struct bfa_ioim_s *ioim);
375bfa_status_t bfa_ioim_abort(struct bfa_ioim_s *ioim);
376void bfa_ioim_delayed_comp(struct bfa_ioim_s *ioim,
377 bfa_boolean_t iotov);
Jing Huangacdc79a2010-10-18 17:15:55 -0700378/*
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800379 * I/O completion notification.
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700380 *
381 * @param[in] dio driver IO structure
382 * @param[in] io_status IO completion status
383 * @param[in] scsi_status SCSI status returned by target
384 * @param[in] sns_len SCSI sense length, 0 if none
385 * @param[in] sns_info SCSI sense data, if any
386 * @param[in] residue Residual length
387 *
388 * @return None
389 */
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800390void bfa_cb_ioim_done(void *bfad, struct bfad_ioim_s *dio,
391 enum bfi_ioim_status io_status,
392 u8 scsi_status, int sns_len,
393 u8 *sns_info, s32 residue);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700394
Jing Huangacdc79a2010-10-18 17:15:55 -0700395/*
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800396 * I/O good completion notification.
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700397 */
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800398void bfa_cb_ioim_good_comp(void *bfad, struct bfad_ioim_s *dio);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700399
Jing Huangacdc79a2010-10-18 17:15:55 -0700400/*
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800401 * I/O abort completion notification
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700402 */
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800403void bfa_cb_ioim_abort(void *bfad, struct bfad_ioim_s *dio);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700404
405/*
406 * bfa tskim API functions
407 */
Maggie Zhangda99dcc2010-12-09 19:13:20 -0800408struct bfa_tskim_s *bfa_tskim_alloc(struct bfa_s *bfa,
409 struct bfad_tskim_s *dtsk);
410void bfa_tskim_free(struct bfa_tskim_s *tskim);
411void bfa_tskim_start(struct bfa_tskim_s *tskim,
412 struct bfa_itnim_s *itnim, struct scsi_lun lun,
413 enum fcp_tm_cmnd tm, u8 t_secs);
414void bfa_cb_tskim_done(void *bfad, struct bfad_tskim_s *dtsk,
415 enum bfi_tskim_status tsk_status);
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700416
Krishna Gudipati83763d52011-07-20 17:04:03 -0700417void bfa_fcpim_lunmask_rp_update(struct bfa_s *bfa, wwn_t lp_wwn,
418 wwn_t rp_wwn, u16 rp_tag, u8 lp_tag);
Krishna Gudipati4c5d22b2011-07-20 17:04:24 -0700419bfa_status_t bfa_fcpim_lunmask_update(struct bfa_s *bfa, u32 on_off);
420bfa_status_t bfa_fcpim_lunmask_query(struct bfa_s *bfa, void *buf);
421bfa_status_t bfa_fcpim_lunmask_delete(struct bfa_s *bfa, u16 vf_id,
422 wwn_t *pwwn, wwn_t rpwwn, struct scsi_lun lun);
423bfa_status_t bfa_fcpim_lunmask_add(struct bfa_s *bfa, u16 vf_id,
424 wwn_t *pwwn, wwn_t rpwwn, struct scsi_lun lun);
425bfa_status_t bfa_fcpim_lunmask_clear(struct bfa_s *bfa);
Krishna Gudipati83763d52011-07-20 17:04:03 -0700426
Krishna Gudipatia36c61f2010-09-15 11:50:55 -0700427#endif /* __BFA_FCPIM_H__ */