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-rw-r--r--drivers/scsi/bfa/bfa_iocfc.h168
1 files changed, 168 insertions, 0 deletions
diff --git a/drivers/scsi/bfa/bfa_iocfc.h b/drivers/scsi/bfa/bfa_iocfc.h
new file mode 100644
index 000000000000..7ad177ed4cfc
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+++ b/drivers/scsi/bfa/bfa_iocfc.h
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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);
57 void (*hw_rspq_ack)(struct bfa_s *bfa, int rspq);
58 void (*hw_msix_init)(struct bfa_s *bfa, int nvecs);
59 void (*hw_msix_install)(struct bfa_s *bfa);
60 void (*hw_msix_uninstall)(struct bfa_s *bfa);
61 void (*hw_isr_mode_set)(struct bfa_s *bfa, bfa_boolean_t msix);
62 void (*hw_msix_getvecs)(struct bfa_s *bfa, u32 *vecmap,
63 u32 *nvecs, u32 *maxvec);
64};
65typedef void (*bfa_cb_iocfc_t) (void *cbarg, enum bfa_status status);
66
67struct bfa_iocfc_s {
68 struct bfa_s *bfa;
69 struct bfa_iocfc_cfg_s cfg;
70 int action;
71
72 u32 req_cq_pi[BFI_IOC_MAX_CQS];
73 u32 rsp_cq_ci[BFI_IOC_MAX_CQS];
74
75 struct bfa_cb_qe_s init_hcb_qe;
76 struct bfa_cb_qe_s stop_hcb_qe;
77 struct bfa_cb_qe_s dis_hcb_qe;
78 struct bfa_cb_qe_s stats_hcb_qe;
79 bfa_boolean_t cfgdone;
80
81 struct bfa_dma_s cfg_info;
82 struct bfi_iocfc_cfg_s *cfginfo;
83 struct bfa_dma_s cfgrsp_dma;
84 struct bfi_iocfc_cfgrsp_s *cfgrsp;
85 struct bfi_iocfc_cfg_reply_s *cfg_reply;
86
87 u8 *stats_kva;
88 u64 stats_pa;
89 struct bfa_fw_stats_s *fw_stats;
90 struct bfa_timer_s stats_timer; /* timer */
91 struct bfa_iocfc_stats_s *stats_ret; /* driver stats location */
92 bfa_status_t stats_status; /* stats/statsclr status */
93 bfa_boolean_t stats_busy; /* outstanding stats */
94 bfa_cb_ioc_t stats_cbfn; /* driver callback function */
95 void *stats_cbarg; /* user callback arg */
96
97 struct bfa_dma_s req_cq_ba[BFI_IOC_MAX_CQS];
98 struct bfa_dma_s req_cq_shadow_ci[BFI_IOC_MAX_CQS];
99 struct bfa_dma_s rsp_cq_ba[BFI_IOC_MAX_CQS];
100 struct bfa_dma_s rsp_cq_shadow_pi[BFI_IOC_MAX_CQS];
101 struct bfa_iocfc_regs_s bfa_regs; /* BFA device registers */
102 struct bfa_hwif_s hwif;
103
104 bfa_cb_iocfc_t updateq_cbfn; /* bios callback function */
105 void *updateq_cbarg; /* bios callback arg */
106};
107
108#define bfa_lpuid(__bfa) bfa_ioc_portid(&(__bfa)->ioc)
109#define bfa_msix_init(__bfa, __nvecs) \
110 (__bfa)->iocfc.hwif.hw_msix_init(__bfa, __nvecs)
111#define bfa_msix_install(__bfa) \
112 (__bfa)->iocfc.hwif.hw_msix_install(__bfa)
113#define bfa_msix_uninstall(__bfa) \
114 (__bfa)->iocfc.hwif.hw_msix_uninstall(__bfa)
115#define bfa_isr_mode_set(__bfa, __msix) \
116 (__bfa)->iocfc.hwif.hw_isr_mode_set(__bfa, __msix)
117#define bfa_msix_getvecs(__bfa, __vecmap, __nvecs, __maxvec) \
118 (__bfa)->iocfc.hwif.hw_msix_getvecs(__bfa, __vecmap, __nvecs, __maxvec)
119
120/*
121 * FC specific IOC functions.
122 */
123void bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg, u32 *km_len,
124 u32 *dm_len);
125void bfa_iocfc_attach(struct bfa_s *bfa, void *bfad,
126 struct bfa_iocfc_cfg_s *cfg, struct bfa_meminfo_s *meminfo,
127 struct bfa_pcidev_s *pcidev);
128void bfa_iocfc_detach(struct bfa_s *bfa);
129void bfa_iocfc_init(struct bfa_s *bfa);
130void bfa_iocfc_start(struct bfa_s *bfa);
131void bfa_iocfc_stop(struct bfa_s *bfa);
132void bfa_iocfc_isr(void *bfa, struct bfi_mbmsg_s *msg);
133void bfa_iocfc_set_snsbase(struct bfa_s *bfa, u64 snsbase_pa);
134bfa_boolean_t bfa_iocfc_is_operational(struct bfa_s *bfa);
135void bfa_iocfc_reset_queues(struct bfa_s *bfa);
136void bfa_iocfc_updateq(struct bfa_s *bfa, u32 reqq_ba, u32 rspq_ba,
137 u32 reqq_sci, u32 rspq_spi,
138 bfa_cb_iocfc_t cbfn, void *cbarg);
139
140void bfa_msix_all(struct bfa_s *bfa, int vec);
141void bfa_msix_reqq(struct bfa_s *bfa, int vec);
142void bfa_msix_rspq(struct bfa_s *bfa, int vec);
143void bfa_msix_lpu_err(struct bfa_s *bfa, int vec);
144
145void bfa_hwcb_reginit(struct bfa_s *bfa);
146void bfa_hwcb_rspq_ack(struct bfa_s *bfa, int rspq);
147void bfa_hwcb_msix_init(struct bfa_s *bfa, int nvecs);
148void bfa_hwcb_msix_install(struct bfa_s *bfa);
149void bfa_hwcb_msix_uninstall(struct bfa_s *bfa);
150void bfa_hwcb_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix);
151void bfa_hwcb_msix_getvecs(struct bfa_s *bfa, u32 *vecmap,
152 u32 *nvecs, u32 *maxvec);
153void bfa_hwct_reginit(struct bfa_s *bfa);
154void bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq);
155void bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs);
156void bfa_hwct_msix_install(struct bfa_s *bfa);
157void bfa_hwct_msix_uninstall(struct bfa_s *bfa);
158void bfa_hwct_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix);
159void bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *vecmap,
160 u32 *nvecs, u32 *maxvec);
161
162void bfa_com_meminfo(bfa_boolean_t mincfg, u32 *dm_len);
163void bfa_com_attach(struct bfa_s *bfa, struct bfa_meminfo_s *mi,
164 bfa_boolean_t mincfg);
165void bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t **wwns);
166
167#endif /* __BFA_IOCFC_H__ */
168
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-01 20:50:54 -0500