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-rw-r--r--drivers/net/bna/bfa_ioc.h315
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diff --git a/drivers/net/bna/bfa_ioc.h b/drivers/net/bna/bfa_ioc.h
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1/*
2 * Linux network driver for Brocade Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13/*
14 * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
15 * All rights reserved
16 * www.brocade.com
17 */
18
19#ifndef __BFA_IOC_H__
20#define __BFA_IOC_H__
21
22#include "bfa_cs.h"
23#include "bfi.h"
24#include "cna.h"
25
26#define BFA_IOC_TOV 3000 /* msecs */
27#define BFA_IOC_HWSEM_TOV 500 /* msecs */
28#define BFA_IOC_HB_TOV 500 /* msecs */
29#define BFA_IOC_HWINIT_MAX 5
30
31/**
32 * PCI device information required by IOC
33 */
34struct bfa_pcidev {
35 int pci_slot;
36 u8 pci_func;
37 u16 device_id;
38 void __iomem *pci_bar_kva;
39};
40
41/**
42 * Structure used to remember the DMA-able memory block's KVA and Physical
43 * Address
44 */
45struct bfa_dma {
46 void *kva; /* ! Kernel virtual address */
47 u64 pa; /* ! Physical address */
48};
49
50#define BFA_DMA_ALIGN_SZ 256
51
52/**
53 * smem size for Crossbow and Catapult
54 */
55#define BFI_SMEM_CB_SIZE 0x200000U /* ! 2MB for crossbow */
56#define BFI_SMEM_CT_SIZE 0x280000U /* ! 2.5MB for catapult */
57
58/**
59 * @brief BFA dma address assignment macro. (big endian format)
60 */
61#define bfa_dma_be_addr_set(dma_addr, pa) \
62 __bfa_dma_be_addr_set(&dma_addr, (u64)pa)
63static inline void
64__bfa_dma_be_addr_set(union bfi_addr_u *dma_addr, u64 pa)
65{
66 dma_addr->a32.addr_lo = (u32) htonl(pa);
67 dma_addr->a32.addr_hi = (u32) htonl(upper_32_bits(pa));
68}
69
70struct bfa_ioc_regs {
71 void __iomem *hfn_mbox_cmd;
72 void __iomem *hfn_mbox;
73 void __iomem *lpu_mbox_cmd;
74 void __iomem *lpu_mbox;
75 void __iomem *pss_ctl_reg;
76 void __iomem *pss_err_status_reg;
77 void __iomem *app_pll_fast_ctl_reg;
78 void __iomem *app_pll_slow_ctl_reg;
79 void __iomem *ioc_sem_reg;
80 void __iomem *ioc_usage_sem_reg;
81 void __iomem *ioc_init_sem_reg;
82 void __iomem *ioc_usage_reg;
83 void __iomem *host_page_num_fn;
84 void __iomem *heartbeat;
85 void __iomem *ioc_fwstate;
86 void __iomem *alt_ioc_fwstate;
87 void __iomem *ll_halt;
88 void __iomem *alt_ll_halt;
89 void __iomem *err_set;
90 void __iomem *ioc_fail_sync;
91 void __iomem *shirq_isr_next;
92 void __iomem *shirq_msk_next;
93 void __iomem *smem_page_start;
94 u32 smem_pg0;
95};
96
97/**
98 * IOC Mailbox structures
99 */
100typedef void (*bfa_mbox_cmd_cbfn_t)(void *cbarg);
101struct bfa_mbox_cmd {
102 struct list_head qe;
103 bfa_mbox_cmd_cbfn_t cbfn;
104 void *cbarg;
105 u32 msg[BFI_IOC_MSGSZ];
106};
107
108/**
109 * IOC mailbox module
110 */
111typedef void (*bfa_ioc_mbox_mcfunc_t)(void *cbarg, struct bfi_mbmsg *m);
112struct bfa_ioc_mbox_mod {
113 struct list_head cmd_q; /*!< pending mbox queue */
114 int nmclass; /*!< number of handlers */
115 struct {
116 bfa_ioc_mbox_mcfunc_t cbfn; /*!< message handlers */
117 void *cbarg;
118 } mbhdlr[BFI_MC_MAX];
119};
120
121/**
122 * IOC callback function interfaces
123 */
124typedef void (*bfa_ioc_enable_cbfn_t)(void *bfa, enum bfa_status status);
125typedef void (*bfa_ioc_disable_cbfn_t)(void *bfa);
126typedef void (*bfa_ioc_hbfail_cbfn_t)(void *bfa);
127typedef void (*bfa_ioc_reset_cbfn_t)(void *bfa);
128struct bfa_ioc_cbfn {
129 bfa_ioc_enable_cbfn_t enable_cbfn;
130 bfa_ioc_disable_cbfn_t disable_cbfn;
131 bfa_ioc_hbfail_cbfn_t hbfail_cbfn;
132 bfa_ioc_reset_cbfn_t reset_cbfn;
133};
134
135/**
136 * IOC event notification mechanism.
137 */
138enum bfa_ioc_event {
139 BFA_IOC_E_ENABLED = 1,
140 BFA_IOC_E_DISABLED = 2,
141 BFA_IOC_E_FAILED = 3,
142};
143
144typedef void (*bfa_ioc_notify_cbfn_t)(void *, enum bfa_ioc_event);
145
146struct bfa_ioc_notify {
147 struct list_head qe;
148 bfa_ioc_notify_cbfn_t cbfn;
149 void *cbarg;
150};
151
152/**
153 * Heartbeat failure notification queue element.
154 */
155struct bfa_ioc_hbfail_notify {
156 struct list_head qe;
157 bfa_ioc_hbfail_cbfn_t cbfn;
158 void *cbarg;
159};
160
161/**
162 * Initialize a heartbeat failure notification structure
163 */
164#define bfa_ioc_notify_init(__notify, __cbfn, __cbarg) do { \
165 (__notify)->cbfn = (__cbfn); \
166 (__notify)->cbarg = (__cbarg); \
167} while (0)
168
169struct bfa_iocpf {
170 bfa_fsm_t fsm;
171 struct bfa_ioc *ioc;
172 u32 retry_count;
173 bool auto_recover;
174};
175
176struct bfa_ioc {
177 bfa_fsm_t fsm;
178 struct bfa *bfa;
179 struct bfa_pcidev pcidev;
180 struct timer_list ioc_timer;
181 struct timer_list iocpf_timer;
182 struct timer_list sem_timer;
183 struct timer_list hb_timer;
184 u32 hb_count;
185 struct list_head notify_q;
186 void *dbg_fwsave;
187 int dbg_fwsave_len;
188 bool dbg_fwsave_once;
189 enum bfi_mclass ioc_mc;
190 struct bfa_ioc_regs ioc_regs;
191 struct bfa_ioc_drv_stats stats;
192 bool fcmode;
193 bool ctdev;
194 bool cna;
195 bool pllinit;
196 bool stats_busy; /*!< outstanding stats */
197 u8 port_id;
198
199 struct bfa_dma attr_dma;
200 struct bfi_ioc_attr *attr;
201 struct bfa_ioc_cbfn *cbfn;
202 struct bfa_ioc_mbox_mod mbox_mod;
203 struct bfa_ioc_hwif *ioc_hwif;
204 struct bfa_iocpf iocpf;
205};
206
207struct bfa_ioc_hwif {
208 enum bfa_status (*ioc_pll_init) (void __iomem *rb, bool fcmode);
209 bool (*ioc_firmware_lock) (struct bfa_ioc *ioc);
210 void (*ioc_firmware_unlock) (struct bfa_ioc *ioc);
211 void (*ioc_reg_init) (struct bfa_ioc *ioc);
212 void (*ioc_map_port) (struct bfa_ioc *ioc);
213 void (*ioc_isr_mode_set) (struct bfa_ioc *ioc,
214 bool msix);
215 void (*ioc_notify_fail) (struct bfa_ioc *ioc);
216 void (*ioc_ownership_reset) (struct bfa_ioc *ioc);
217 bool (*ioc_sync_start) (struct bfa_ioc *ioc);
218 void (*ioc_sync_join) (struct bfa_ioc *ioc);
219 void (*ioc_sync_leave) (struct bfa_ioc *ioc);
220 void (*ioc_sync_ack) (struct bfa_ioc *ioc);
221 bool (*ioc_sync_complete) (struct bfa_ioc *ioc);
222};
223
224#define bfa_ioc_pcifn(__ioc) ((__ioc)->pcidev.pci_func)
225#define bfa_ioc_devid(__ioc) ((__ioc)->pcidev.device_id)
226#define bfa_ioc_bar0(__ioc) ((__ioc)->pcidev.pci_bar_kva)
227#define bfa_ioc_portid(__ioc) ((__ioc)->port_id)
228#define bfa_ioc_fetch_stats(__ioc, __stats) \
229 (((__stats)->drv_stats) = (__ioc)->stats)
230#define bfa_ioc_clr_stats(__ioc) \
231 memset(&(__ioc)->stats, 0, sizeof((__ioc)->stats))
232#define bfa_ioc_maxfrsize(__ioc) ((__ioc)->attr->maxfrsize)
233#define bfa_ioc_rx_bbcredit(__ioc) ((__ioc)->attr->rx_bbcredit)
234#define bfa_ioc_speed_sup(__ioc) \
235 BFI_ADAPTER_GETP(SPEED, (__ioc)->attr->adapter_prop)
236#define bfa_ioc_get_nports(__ioc) \
237 BFI_ADAPTER_GETP(NPORTS, (__ioc)->attr->adapter_prop)
238
239#define bfa_ioc_stats(_ioc, _stats) ((_ioc)->stats._stats++)
240#define bfa_ioc_stats_hb_count(_ioc, _hb_count) \
241 ((_ioc)->stats.hb_count = (_hb_count))
242#define BFA_IOC_FWIMG_MINSZ (16 * 1024)
243#define BFA_IOC_FWIMG_TYPE(__ioc) \
244 (((__ioc)->ctdev) ? \
245 (((__ioc)->fcmode) ? BFI_IMAGE_CT_FC : BFI_IMAGE_CT_CNA) : \
246 BFI_IMAGE_CB_FC)
247#define BFA_IOC_FW_SMEM_SIZE(__ioc) \
248 (((__ioc)->ctdev) ? BFI_SMEM_CT_SIZE : BFI_SMEM_CB_SIZE)
249#define BFA_IOC_FLASH_CHUNK_NO(off) (off / BFI_FLASH_CHUNK_SZ_WORDS)
250#define BFA_IOC_FLASH_OFFSET_IN_CHUNK(off) (off % BFI_FLASH_CHUNK_SZ_WORDS)
251#define BFA_IOC_FLASH_CHUNK_ADDR(chunkno) (chunkno * BFI_FLASH_CHUNK_SZ_WORDS)
252
253/**
254 * IOC mailbox interface
255 */
256void bfa_nw_ioc_mbox_queue(struct bfa_ioc *ioc, struct bfa_mbox_cmd *cmd);
257void bfa_nw_ioc_mbox_isr(struct bfa_ioc *ioc);
258void bfa_nw_ioc_mbox_regisr(struct bfa_ioc *ioc, enum bfi_mclass mc,
259 bfa_ioc_mbox_mcfunc_t cbfn, void *cbarg);
260
261/**
262 * IOC interfaces
263 */
264
265#define bfa_ioc_pll_init_asic(__ioc) \
266 ((__ioc)->ioc_hwif->ioc_pll_init((__ioc)->pcidev.pci_bar_kva, \
267 (__ioc)->fcmode))
268
269#define bfa_ioc_isr_mode_set(__ioc, __msix) \
270 ((__ioc)->ioc_hwif->ioc_isr_mode_set(__ioc, __msix))
271#define bfa_ioc_ownership_reset(__ioc) \
272 ((__ioc)->ioc_hwif->ioc_ownership_reset(__ioc))
273
274void bfa_nw_ioc_set_ct_hwif(struct bfa_ioc *ioc);
275
276void bfa_nw_ioc_attach(struct bfa_ioc *ioc, void *bfa,
277 struct bfa_ioc_cbfn *cbfn);
278void bfa_nw_ioc_auto_recover(bool auto_recover);
279void bfa_nw_ioc_detach(struct bfa_ioc *ioc);
280void bfa_nw_ioc_pci_init(struct bfa_ioc *ioc, struct bfa_pcidev *pcidev,
281 enum bfi_mclass mc);
282u32 bfa_nw_ioc_meminfo(void);
283void bfa_nw_ioc_mem_claim(struct bfa_ioc *ioc, u8 *dm_kva, u64 dm_pa);
284void bfa_nw_ioc_enable(struct bfa_ioc *ioc);
285void bfa_nw_ioc_disable(struct bfa_ioc *ioc);
286
287void bfa_nw_ioc_error_isr(struct bfa_ioc *ioc);
288bool bfa_nw_ioc_is_disabled(struct bfa_ioc *ioc);
289void bfa_nw_ioc_get_attr(struct bfa_ioc *ioc, struct bfa_ioc_attr *ioc_attr);
290void bfa_nw_ioc_notify_register(struct bfa_ioc *ioc,
291 struct bfa_ioc_notify *notify);
292bool bfa_nw_ioc_sem_get(void __iomem *sem_reg);
293void bfa_nw_ioc_sem_release(void __iomem *sem_reg);
294void bfa_nw_ioc_hw_sem_release(struct bfa_ioc *ioc);
295void bfa_nw_ioc_fwver_get(struct bfa_ioc *ioc,
296 struct bfi_ioc_image_hdr *fwhdr);
297bool bfa_nw_ioc_fwver_cmp(struct bfa_ioc *ioc,
298 struct bfi_ioc_image_hdr *fwhdr);
299mac_t bfa_nw_ioc_get_mac(struct bfa_ioc *ioc);
300
301/*
302 * Timeout APIs
303 */
304void bfa_nw_ioc_timeout(void *ioc);
305void bfa_nw_ioc_hb_check(void *ioc);
306void bfa_nw_iocpf_timeout(void *ioc);
307void bfa_nw_iocpf_sem_timeout(void *ioc);
308
309/*
310 * F/W Image Size & Chunk
311 */
312u32 *bfa_cb_image_get_chunk(int type, u32 off);
313u32 bfa_cb_image_get_size(int type);
314
315#endif /* __BFA_IOC_H__ */
generated by cgit v1.2.2 (git 2.25.0) at 2026-01-17 16:56:46 -0500