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review.evervolv.com / android_kernel_oneplus_msm8996 / eda6e6f86b5f95b982ac7ebf7cf5be2a29a291e9 / . / drivers / scsi / bfa / bfa_iocfc.h
blob: fbb4bdc9d600af9da34114602151781856dc3ce1 [file] [log] [blame]
Jing Huang7725ccf2009-09-23 17:46:15 -0700[diff] [blame]1/*
2 * Copyright (c) 2005-2009 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_IOCFC_H__
19#define __BFA_IOCFC_H__
20
21#include <bfa_ioc.h>
22#include <bfa.h>
23#include <bfi/bfi_iocfc.h>
24#include <bfa_callback_priv.h>
25
26#define BFA_REQQ_NELEMS_MIN (4)
27#define BFA_RSPQ_NELEMS_MIN (4)
28
29struct bfa_iocfc_regs_s {
30 bfa_os_addr_t intr_status;
31 bfa_os_addr_t intr_mask;
32 bfa_os_addr_t cpe_q_pi[BFI_IOC_MAX_CQS];
33 bfa_os_addr_t cpe_q_ci[BFI_IOC_MAX_CQS];
34 bfa_os_addr_t cpe_q_depth[BFI_IOC_MAX_CQS];
35 bfa_os_addr_t cpe_q_ctrl[BFI_IOC_MAX_CQS];
36 bfa_os_addr_t rme_q_ci[BFI_IOC_MAX_CQS];
37 bfa_os_addr_t rme_q_pi[BFI_IOC_MAX_CQS];
38 bfa_os_addr_t rme_q_depth[BFI_IOC_MAX_CQS];
39 bfa_os_addr_t rme_q_ctrl[BFI_IOC_MAX_CQS];
40};
41
42/**
43 * MSIX vector handlers
44 */
45#define BFA_MSIX_MAX_VECTORS 22
46typedef void (*bfa_msix_handler_t)(struct bfa_s *bfa, int vec);
47struct bfa_msix_s {
48 int nvecs;
49 bfa_msix_handler_t handler[BFA_MSIX_MAX_VECTORS];
50};
51
52/**
53 * Chip specific interfaces
54 */
55struct bfa_hwif_s {
56 void (*hw_reginit)(struct bfa_s *bfa);
Krishna Gudipatif5713c52010-03-05 19:37:09 -0800[diff] [blame]57 void (*hw_reqq_ack)(struct bfa_s *bfa, int reqq);
Jing Huang7725ccf2009-09-23 17:46:15 -0700[diff] [blame]58 void (*hw_rspq_ack)(struct bfa_s *bfa, int rspq);
59 void (*hw_msix_init)(struct bfa_s *bfa, int nvecs);
60 void (*hw_msix_install)(struct bfa_s *bfa);
61 void (*hw_msix_uninstall)(struct bfa_s *bfa);
62 void (*hw_isr_mode_set)(struct bfa_s *bfa, bfa_boolean_t msix);
63 void (*hw_msix_getvecs)(struct bfa_s *bfa, u32 *vecmap,
64 u32 *nvecs, u32 *maxvec);
65};
66typedef void (*bfa_cb_iocfc_t) (void *cbarg, enum bfa_status status);
67
68struct bfa_iocfc_s {
69 struct bfa_s *bfa;
70 struct bfa_iocfc_cfg_s cfg;
71 int action;
72
73 u32 req_cq_pi[BFI_IOC_MAX_CQS];
74 u32 rsp_cq_ci[BFI_IOC_MAX_CQS];
75
76 struct bfa_cb_qe_s init_hcb_qe;
77 struct bfa_cb_qe_s stop_hcb_qe;
78 struct bfa_cb_qe_s dis_hcb_qe;
79 struct bfa_cb_qe_s stats_hcb_qe;
80 bfa_boolean_t cfgdone;
81
82 struct bfa_dma_s cfg_info;
83 struct bfi_iocfc_cfg_s *cfginfo;
84 struct bfa_dma_s cfgrsp_dma;
85 struct bfi_iocfc_cfgrsp_s *cfgrsp;
86 struct bfi_iocfc_cfg_reply_s *cfg_reply;
87
88 u8 *stats_kva;
89 u64 stats_pa;
90 struct bfa_fw_stats_s *fw_stats;
91 struct bfa_timer_s stats_timer; /* timer */
92 struct bfa_iocfc_stats_s *stats_ret; /* driver stats location */
93 bfa_status_t stats_status; /* stats/statsclr status */
94 bfa_boolean_t stats_busy; /* outstanding stats */
95 bfa_cb_ioc_t stats_cbfn; /* driver callback function */
96 void *stats_cbarg; /* user callback arg */
97
98 struct bfa_dma_s req_cq_ba[BFI_IOC_MAX_CQS];
99 struct bfa_dma_s req_cq_shadow_ci[BFI_IOC_MAX_CQS];
100 struct bfa_dma_s rsp_cq_ba[BFI_IOC_MAX_CQS];
101 struct bfa_dma_s rsp_cq_shadow_pi[BFI_IOC_MAX_CQS];
102 struct bfa_iocfc_regs_s bfa_regs; /* BFA device registers */
103 struct bfa_hwif_s hwif;
104
105 bfa_cb_iocfc_t updateq_cbfn; /* bios callback function */
106 void *updateq_cbarg; /* bios callback arg */
107};
108
109#define bfa_lpuid(__bfa) bfa_ioc_portid(&(__bfa)->ioc)
110#define bfa_msix_init(__bfa, __nvecs) \
Jing Huangf8ceafd2009-09-25 12:29:54 -0700[diff] [blame]111 ((__bfa)->iocfc.hwif.hw_msix_init(__bfa, __nvecs))
Jing Huang7725ccf2009-09-23 17:46:15 -0700[diff] [blame]112#define bfa_msix_install(__bfa) \
Jing Huangf8ceafd2009-09-25 12:29:54 -0700[diff] [blame]113 ((__bfa)->iocfc.hwif.hw_msix_install(__bfa))
Jing Huang7725ccf2009-09-23 17:46:15 -0700[diff] [blame]114#define bfa_msix_uninstall(__bfa) \
Jing Huangf8ceafd2009-09-25 12:29:54 -0700[diff] [blame]115 ((__bfa)->iocfc.hwif.hw_msix_uninstall(__bfa))
Jing Huang7725ccf2009-09-23 17:46:15 -0700[diff] [blame]116#define bfa_isr_mode_set(__bfa, __msix) \
Jing Huangf8ceafd2009-09-25 12:29:54 -0700[diff] [blame]117 ((__bfa)->iocfc.hwif.hw_isr_mode_set(__bfa, __msix))
Jing Huang7725ccf2009-09-23 17:46:15 -0700[diff] [blame]118#define bfa_msix_getvecs(__bfa, __vecmap, __nvecs, __maxvec) \
119 (__bfa)->iocfc.hwif.hw_msix_getvecs(__bfa, __vecmap, __nvecs, __maxvec)
120
121/*
122 * FC specific IOC functions.
123 */
124void bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
125 u32 *dm_len);
126void bfa_iocfc_attach(struct bfa_s *bfa, void *bfad,
127 struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
128 struct bfa_pcidev_s *pcidev);
129void bfa_iocfc_detach(struct bfa_s *bfa);
130void bfa_iocfc_init(struct bfa_s *bfa);
131void bfa_iocfc_start(struct bfa_s *bfa);
132void bfa_iocfc_stop(struct bfa_s *bfa);
133void bfa_iocfc_isr(void *bfa, struct bfi_mbmsg_s *msg);
134void bfa_iocfc_set_snsbase(struct bfa_s *bfa, u64 snsbase_pa);
135bfa_boolean_t bfa_iocfc_is_operational(struct bfa_s *bfa);
136void bfa_iocfc_reset_queues(struct bfa_s *bfa);
137void bfa_iocfc_updateq(struct bfa_s *bfa, u32 reqq_ba, u32 rspq_ba,
138 u32 reqq_sci, u32 rspq_spi,
139 bfa_cb_iocfc_t cbfn, void *cbarg);
140
141void bfa_msix_all(struct bfa_s *bfa, int vec);
142void bfa_msix_reqq(struct bfa_s *bfa, int vec);
143void bfa_msix_rspq(struct bfa_s *bfa, int vec);
144void bfa_msix_lpu_err(struct bfa_s *bfa, int vec);
145
146void bfa_hwcb_reginit(struct bfa_s *bfa);
Krishna Gudipatif5713c52010-03-05 19:37:09 -0800[diff] [blame]147void bfa_hwcb_reqq_ack(struct bfa_s *bfa, int rspq);
Jing Huang7725ccf2009-09-23 17:46:15 -0700[diff] [blame]148void bfa_hwcb_rspq_ack(struct bfa_s *bfa, int rspq);
149void bfa_hwcb_msix_init(struct bfa_s *bfa, int nvecs);
150void bfa_hwcb_msix_install(struct bfa_s *bfa);
151void bfa_hwcb_msix_uninstall(struct bfa_s *bfa);
152void bfa_hwcb_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix);
153void bfa_hwcb_msix_getvecs(struct bfa_s *bfa, u32 *vecmap,
154 u32 *nvecs, u32 *maxvec);
155void bfa_hwct_reginit(struct bfa_s *bfa);
Krishna Gudipatif5713c52010-03-05 19:37:09 -0800[diff] [blame]156void bfa_hwct_reqq_ack(struct bfa_s *bfa, int rspq);
Jing Huang7725ccf2009-09-23 17:46:15 -0700[diff] [blame]157void bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq);
158void bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs);
159void bfa_hwct_msix_install(struct bfa_s *bfa);
160void bfa_hwct_msix_uninstall(struct bfa_s *bfa);
161void bfa_hwct_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix);
162void bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *vecmap,
163 u32 *nvecs, u32 *maxvec);
164
165void bfa_com_meminfo(bfa_boolean_t mincfg, u32 *dm_len);
166void bfa_com_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi,
167 bfa_boolean_t mincfg);
168void bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t **wwns);
169
170#endif /* __BFA_IOCFC_H__ */
171