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Merge branch 'reiserfs/kill-bkl' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-2.6-block.git] / drivers / scsi / bfa / bfa_ioc.h
CommitLineData
7725ccfd
JH		 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_IOC_H__
19#define __BFA_IOC_H__
20
21#include <cs/bfa_sm.h>
22#include <bfi/bfi.h>
23#include <bfi/bfi_ioc.h>
24#include <bfi/bfi_boot.h>
25#include <bfa_timer.h>
26
27/**
28 * PCI device information required by IOC
29 */
30struct bfa_pcidev_s {
31 int pci_slot;
32 u8 pci_func;
33 u16 device_id;
34 bfa_os_addr_t pci_bar_kva;
35};
36
37/**
38 * Structure used to remember the DMA-able memory block's KVA and Physical
39 * Address
40 */
41struct bfa_dma_s {
42 void *kva; /*! Kernel virtual address */
43 u64 pa; /*! Physical address */
44};
45
46#define BFA_DMA_ALIGN_SZ 256
47#define BFA_ROUNDUP(_l, _s) (((_l) + ((_s) - 1)) & ~((_s) - 1))
48
49
50
51#define bfa_dma_addr_set(dma_addr, pa) \
52 __bfa_dma_addr_set(&dma_addr, (u64)pa)
53
54static inline void
55__bfa_dma_addr_set(union bfi_addr_u *dma_addr, u64 pa)
56{
57 dma_addr->a32.addr_lo = (u32) pa;
58 dma_addr->a32.addr_hi = (u32) (bfa_os_u32(pa));
59}
60
61
62#define bfa_dma_be_addr_set(dma_addr, pa) \
63 __bfa_dma_be_addr_set(&dma_addr, (u64)pa)
64static inline void
65__bfa_dma_be_addr_set(union bfi_addr_u *dma_addr, u64 pa)
66{
67 dma_addr->a32.addr_lo = (u32) bfa_os_htonl(pa);
68 dma_addr->a32.addr_hi = (u32) bfa_os_htonl(bfa_os_u32(pa));
69}
70
71struct bfa_ioc_regs_s {
72 bfa_os_addr_t hfn_mbox_cmd;
73 bfa_os_addr_t hfn_mbox;
74 bfa_os_addr_t lpu_mbox_cmd;
75 bfa_os_addr_t lpu_mbox;
76 bfa_os_addr_t pss_ctl_reg;
77 bfa_os_addr_t app_pll_fast_ctl_reg;
78 bfa_os_addr_t app_pll_slow_ctl_reg;
79 bfa_os_addr_t ioc_sem_reg;
80 bfa_os_addr_t ioc_usage_sem_reg;
81 bfa_os_addr_t ioc_usage_reg;
82 bfa_os_addr_t host_page_num_fn;
83 bfa_os_addr_t heartbeat;
84 bfa_os_addr_t ioc_fwstate;
85 bfa_os_addr_t ll_halt;
86 bfa_os_addr_t shirq_isr_next;
87 bfa_os_addr_t shirq_msk_next;
88 bfa_os_addr_t smem_page_start;
89 u32 smem_pg0;
90};
91
92#define bfa_reg_read(_raddr) bfa_os_reg_read(_raddr)
93#define bfa_reg_write(_raddr, _val) bfa_os_reg_write(_raddr, _val)
94#define bfa_mem_read(_raddr, _off) bfa_os_mem_read(_raddr, _off)
95#define bfa_mem_write(_raddr, _off, _val) \
96 bfa_os_mem_write(_raddr, _off, _val)
97/**
98 * IOC Mailbox structures
99 */
100struct bfa_mbox_cmd_s {
101 struct list_head qe;
102 u32 msg[BFI_IOC_MSGSZ];
103};
104
105/**
106 * IOC mailbox module
107 */
108typedef void (*bfa_ioc_mbox_mcfunc_t)(void *cbarg, struct bfi_mbmsg_s *m);
109struct bfa_ioc_mbox_mod_s {
110 struct list_head cmd_q; /* pending mbox queue */
111 int nmclass; /* number of handlers */
112 struct {
113 bfa_ioc_mbox_mcfunc_t cbfn; /* message handlers */
114 void *cbarg;
115 } mbhdlr[BFI_MC_MAX];
116};
117
118/**
119 * IOC callback function interfaces
120 */
121typedef void (*bfa_ioc_enable_cbfn_t)(void *bfa, enum bfa_status status);
122typedef void (*bfa_ioc_disable_cbfn_t)(void *bfa);
123typedef void (*bfa_ioc_hbfail_cbfn_t)(void *bfa);
124typedef void (*bfa_ioc_reset_cbfn_t)(void *bfa);
125struct bfa_ioc_cbfn_s {
126 bfa_ioc_enable_cbfn_t enable_cbfn;
127 bfa_ioc_disable_cbfn_t disable_cbfn;
128 bfa_ioc_hbfail_cbfn_t hbfail_cbfn;
129 bfa_ioc_reset_cbfn_t reset_cbfn;
130};
131
132/**
133 * Heartbeat failure notification queue element.
134 */
135struct bfa_ioc_hbfail_notify_s {
136 struct list_head qe;
137 bfa_ioc_hbfail_cbfn_t cbfn;
138 void *cbarg;
139};
140
141/**
142 * Initialize a heartbeat failure notification structure
143 */
144#define bfa_ioc_hbfail_init(__notify, __cbfn, __cbarg) do { \
145 (__notify)->cbfn = (__cbfn); \
146 (__notify)->cbarg = (__cbarg); \
147} while (0)
148
149struct bfa_ioc_s {
150 bfa_fsm_t fsm;
151 struct bfa_s *bfa;
152 struct bfa_pcidev_s pcidev;
153 struct bfa_timer_mod_s *timer_mod;
154 struct bfa_timer_s ioc_timer;
155 struct bfa_timer_s sem_timer;
156 u32 hb_count;
157 u32 hb_fail;
158 u32 retry_count;
159 struct list_head hb_notify_q;
160 void *dbg_fwsave;
161 int dbg_fwsave_len;
162 bfa_boolean_t dbg_fwsave_once;
163 enum bfi_mclass ioc_mc;
164 struct bfa_ioc_regs_s ioc_regs;
165 struct bfa_trc_mod_s *trcmod;
166 struct bfa_aen_s *aen;
167 struct bfa_log_mod_s *logm;
168 struct bfa_ioc_drv_stats_s stats;
169 bfa_boolean_t auto_recover;
170 bfa_boolean_t fcmode;
171 bfa_boolean_t ctdev;
172 bfa_boolean_t cna;
173 bfa_boolean_t pllinit;
174 u8 port_id;
175
176 struct bfa_dma_s attr_dma;
177 struct bfi_ioc_attr_s *attr;
178 struct bfa_ioc_cbfn_s *cbfn;
179 struct bfa_ioc_mbox_mod_s mbox_mod;
180};
181
f8ceafde
JH		 182#define bfa_ioc_pcifn(__ioc) ((__ioc)->pcidev.pci_func)
183#define bfa_ioc_devid(__ioc) ((__ioc)->pcidev.device_id)
184#define bfa_ioc_bar0(__ioc) ((__ioc)->pcidev.pci_bar_kva)
7725ccfd
JH		 185#define bfa_ioc_portid(__ioc) ((__ioc)->port_id)
186#define bfa_ioc_fetch_stats(__ioc, __stats) \
f8ceafde 187 (((__stats)->drv_stats) = (__ioc)->stats)
7725ccfd
JH		 188#define bfa_ioc_clr_stats(__ioc) \
189 bfa_os_memset(&(__ioc)->stats, 0, sizeof((__ioc)->stats))
f8ceafde
JH		 190#define bfa_ioc_maxfrsize(__ioc) ((__ioc)->attr->maxfrsize)
191#define bfa_ioc_rx_bbcredit(__ioc) ((__ioc)->attr->rx_bbcredit)
7725ccfd
JH		 192#define bfa_ioc_speed_sup(__ioc) \
193 BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop)
194
195/**
196 * IOC mailbox interface
197 */
198void bfa_ioc_mbox_queue(struct bfa_ioc_s *ioc, struct bfa_mbox_cmd_s *cmd);
199void bfa_ioc_mbox_register(struct bfa_ioc_s *ioc,
200 bfa_ioc_mbox_mcfunc_t *mcfuncs);
201void bfa_ioc_mbox_isr(struct bfa_ioc_s *ioc);
202void bfa_ioc_mbox_send(struct bfa_ioc_s *ioc, void *ioc_msg, int len);
203void bfa_ioc_msgget(struct bfa_ioc_s *ioc, void *mbmsg);
204void bfa_ioc_mbox_regisr(struct bfa_ioc_s *ioc, enum bfi_mclass mc,
205 bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg);
206
207/**
208 * IOC interfaces
209 */
210void bfa_ioc_attach(struct bfa_ioc_s *ioc, void *bfa,
211 struct bfa_ioc_cbfn_s *cbfn, struct bfa_timer_mod_s *timer_mod,
212 struct bfa_trc_mod_s *trcmod,
213 struct bfa_aen_s *aen, struct bfa_log_mod_s *logm);
214void bfa_ioc_detach(struct bfa_ioc_s *ioc);
215void bfa_ioc_pci_init(struct bfa_ioc_s *ioc, struct bfa_pcidev_s *pcidev,
216 enum bfi_mclass mc);
217u32 bfa_ioc_meminfo(void);
218void bfa_ioc_mem_claim(struct bfa_ioc_s *ioc, u8 *dm_kva, u64 dm_pa);
219void bfa_ioc_enable(struct bfa_ioc_s *ioc);
220void bfa_ioc_disable(struct bfa_ioc_s *ioc);
221bfa_boolean_t bfa_ioc_intx_claim(struct bfa_ioc_s *ioc);
222
223void bfa_ioc_boot(struct bfa_ioc_s *ioc, u32 boot_type, u32 boot_param);
224void bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *msg);
225void bfa_ioc_error_isr(struct bfa_ioc_s *ioc);
226void bfa_ioc_isr_mode_set(struct bfa_ioc_s *ioc, bfa_boolean_t intx);
227bfa_status_t bfa_ioc_pll_init(struct bfa_ioc_s *ioc);
228bfa_boolean_t bfa_ioc_is_operational(struct bfa_ioc_s *ioc);
229bfa_boolean_t bfa_ioc_is_disabled(struct bfa_ioc_s *ioc);
230bfa_boolean_t bfa_ioc_fw_mismatch(struct bfa_ioc_s *ioc);
231bfa_boolean_t bfa_ioc_adapter_is_disabled(struct bfa_ioc_s *ioc);
232void bfa_ioc_cfg_complete(struct bfa_ioc_s *ioc);
233void bfa_ioc_get_attr(struct bfa_ioc_s *ioc, struct bfa_ioc_attr_s *ioc_attr);
234void bfa_ioc_get_adapter_attr(struct bfa_ioc_s *ioc,
235 struct bfa_adapter_attr_s *ad_attr);
236int bfa_ioc_debug_trcsz(bfa_boolean_t auto_recover);
237void bfa_ioc_debug_memclaim(struct bfa_ioc_s *ioc, void *dbg_fwsave);
238bfa_status_t bfa_ioc_debug_fwsave(struct bfa_ioc_s *ioc, void *trcdata,
239 int *trclen);
240bfa_status_t bfa_ioc_debug_fwtrc(struct bfa_ioc_s *ioc, void *trcdata,
241 int *trclen);
242u32 bfa_ioc_smem_pgnum(struct bfa_ioc_s *ioc, u32 fmaddr);
243u32 bfa_ioc_smem_pgoff(struct bfa_ioc_s *ioc, u32 fmaddr);
244void bfa_ioc_set_fcmode(struct bfa_ioc_s *ioc);
245bfa_boolean_t bfa_ioc_get_fcmode(struct bfa_ioc_s *ioc);
246void bfa_ioc_hbfail_register(struct bfa_ioc_s *ioc,
247 struct bfa_ioc_hbfail_notify_s *notify);
248
249/*
250 * bfa mfg wwn API functions
251 */
252wwn_t bfa_ioc_get_pwwn(struct bfa_ioc_s *ioc);
253wwn_t bfa_ioc_get_nwwn(struct bfa_ioc_s *ioc);
254wwn_t bfa_ioc_get_wwn_naa5(struct bfa_ioc_s *ioc, u16 inst);
255mac_t bfa_ioc_get_mac(struct bfa_ioc_s *ioc);
256u64 bfa_ioc_get_adid(struct bfa_ioc_s *ioc);
257
258#endif /* __BFA_IOC_H__ */
259
Linux 6.x block layer and io_uring tree(s)