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17#ifndef __BFA_H__
18#define __BFA_H__
19
20#include "bfad_drv.h"
21#include "bfa_cs.h"
22#include "bfa_plog.h"
23#include "bfa_defs_svc.h"
24#include "bfi.h"
25#include "bfa_ioc.h"
26
27struct bfa_s;
28
29typedef void (*bfa_isr_func_t) (struct bfa_s *bfa, struct bfi_msg_s *m);
30typedef void (*bfa_cb_cbfn_status_t) (void *cbarg, bfa_status_t status);
31
32
33
34
35void bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m);
36
37
38
39
40#define BFA_REQQ_NELEMS_MIN (4)
41#define BFA_RSPQ_NELEMS_MIN (4)
42
43#define bfa_reqq_pi(__bfa, __reqq) ((__bfa)->iocfc.req_cq_pi[__reqq])
44#define bfa_reqq_ci(__bfa, __reqq) \
45 (*(u32 *)((__bfa)->iocfc.req_cq_shadow_ci[__reqq].kva))
46
47#define bfa_reqq_full(__bfa, __reqq) \
48 (((bfa_reqq_pi(__bfa, __reqq) + 1) & \
49 ((__bfa)->iocfc.cfg.drvcfg.num_reqq_elems - 1)) == \
50 bfa_reqq_ci(__bfa, __reqq))
51
52#define bfa_reqq_next(__bfa, __reqq) \
53 (bfa_reqq_full(__bfa, __reqq) ? NULL : \
54 ((void *)((struct bfi_msg_s *)((__bfa)->iocfc.req_cq_ba[__reqq].kva) \
55 + bfa_reqq_pi((__bfa), (__reqq)))))
56
57#define bfa_reqq_produce(__bfa, __reqq, __mh) do { \
58 (__mh).mtag.h2i.qid = (__bfa)->iocfc.hw_qid[__reqq];\
59 (__bfa)->iocfc.req_cq_pi[__reqq]++; \
60 (__bfa)->iocfc.req_cq_pi[__reqq] &= \
61 ((__bfa)->iocfc.cfg.drvcfg.num_reqq_elems - 1); \
62 writel((__bfa)->iocfc.req_cq_pi[__reqq], \
63 (__bfa)->iocfc.bfa_regs.cpe_q_pi[__reqq]); \
64 mmiowb(); \
65 } while (0)
66
67#define bfa_rspq_pi(__bfa, __rspq) \
68 (*(u32 *)((__bfa)->iocfc.rsp_cq_shadow_pi[__rspq].kva))
69
70#define bfa_rspq_ci(__bfa, __rspq) ((__bfa)->iocfc.rsp_cq_ci[__rspq])
71#define bfa_rspq_elem(__bfa, __rspq, __ci) \
72 (&((struct bfi_msg_s *)((__bfa)->iocfc.rsp_cq_ba[__rspq].kva))[__ci])
73
74#define CQ_INCR(__index, __size) do { \
75 (__index)++; \
76 (__index) &= ((__size) - 1); \
77} while (0)
78
79
80
81
82enum {
83 BFA_REQQ_IOC = 0,
84 BFA_REQQ_FCXP = 0,
85 BFA_REQQ_LPS = 0,
86 BFA_REQQ_PORT = 0,
87 BFA_REQQ_FLASH = 0,
88 BFA_REQQ_DIAG = 0,
89 BFA_REQQ_RPORT = 0,
90 BFA_REQQ_SBOOT = 0,
91 BFA_REQQ_QOS_LO = 1,
92 BFA_REQQ_QOS_MD = 2,
93 BFA_REQQ_QOS_HI = 3,
94};
95
96static inline void
97bfa_reqq_winit(struct bfa_reqq_wait_s *wqe, void (*qresume) (void *cbarg),
98 void *cbarg)
99{
100 wqe->qresume = qresume;
101 wqe->cbarg = cbarg;
102}
103
104#define bfa_reqq(__bfa, __reqq) (&(__bfa)->reqq_waitq[__reqq])
105
106
107
108
109
110#define bfa_reqq_wait(__bfa, __reqq, __wqe) do { \
111 \
112 struct list_head *waitq = bfa_reqq(__bfa, __reqq); \
113 \
114 WARN_ON(((__reqq) >= BFI_IOC_MAX_CQS)); \
115 WARN_ON(!((__wqe)->qresume && (__wqe)->cbarg)); \
116 \
117 list_add_tail(&(__wqe)->qe, waitq); \
118 } while (0)
119
120#define bfa_reqq_wcancel(__wqe) list_del(&(__wqe)->qe)
121
122#define bfa_cb_queue(__bfa, __hcb_qe, __cbfn, __cbarg) do { \
123 (__hcb_qe)->cbfn = (__cbfn); \
124 (__hcb_qe)->cbarg = (__cbarg); \
125 (__hcb_qe)->pre_rmv = BFA_FALSE; \
126 list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q); \
127 } while (0)
128
129#define bfa_cb_dequeue(__hcb_qe) list_del(&(__hcb_qe)->qe)
130
131#define bfa_cb_queue_once(__bfa, __hcb_qe, __cbfn, __cbarg) do { \
132 (__hcb_qe)->cbfn = (__cbfn); \
133 (__hcb_qe)->cbarg = (__cbarg); \
134 if (!(__hcb_qe)->once) { \
135 list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q); \
136 (__hcb_qe)->once = BFA_TRUE; \
137 } \
138 } while (0)
139
140#define bfa_cb_queue_status(__bfa, __hcb_qe, __status) do { \
141 (__hcb_qe)->fw_status = (__status); \
142 list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q); \
143} while (0)
144
145#define bfa_cb_queue_done(__hcb_qe) do { \
146 (__hcb_qe)->once = BFA_FALSE; \
147 } while (0)
148
149
150
151
152
153struct bfa_pciid_s {
154 u16 device_id;
155 u16 vendor_id;
156};
157
158extern char bfa_version[];
159
160struct bfa_iocfc_regs_s {
161 void __iomem *intr_status;
162 void __iomem *intr_mask;
163 void __iomem *cpe_q_pi[BFI_IOC_MAX_CQS];
164 void __iomem *cpe_q_ci[BFI_IOC_MAX_CQS];
165 void __iomem *cpe_q_ctrl[BFI_IOC_MAX_CQS];
166 void __iomem *rme_q_ci[BFI_IOC_MAX_CQS];
167 void __iomem *rme_q_pi[BFI_IOC_MAX_CQS];
168 void __iomem *rme_q_ctrl[BFI_IOC_MAX_CQS];
169};
170
171
172
173
174#define BFA_MSIX_MAX_VECTORS 22
175typedef void (*bfa_msix_handler_t)(struct bfa_s *bfa, int vec);
176struct bfa_msix_s {
177 int nvecs;
178 bfa_msix_handler_t handler[BFA_MSIX_MAX_VECTORS];
179};
180
181
182
183
184struct bfa_hwif_s {
185 void (*hw_reginit)(struct bfa_s *bfa);
186 void (*hw_reqq_ack)(struct bfa_s *bfa, int reqq);
187 void (*hw_rspq_ack)(struct bfa_s *bfa, int rspq, u32 ci);
188 void (*hw_msix_init)(struct bfa_s *bfa, int nvecs);
189 void (*hw_msix_ctrl_install)(struct bfa_s *bfa);
190 void (*hw_msix_queue_install)(struct bfa_s *bfa);
191 void (*hw_msix_uninstall)(struct bfa_s *bfa);
192 void (*hw_isr_mode_set)(struct bfa_s *bfa, bfa_boolean_t msix);
193 void (*hw_msix_getvecs)(struct bfa_s *bfa, u32 *vecmap,
194 u32 *nvecs, u32 *maxvec);
195 void (*hw_msix_get_rme_range) (struct bfa_s *bfa, u32 *start,
196 u32 *end);
197 int cpe_vec_q0;
198 int rme_vec_q0;
199};
200typedef void (*bfa_cb_iocfc_t) (void *cbarg, enum bfa_status status);
201
202struct bfa_faa_cbfn_s {
203 bfa_cb_iocfc_t faa_cbfn;
204 void *faa_cbarg;
205};
206
207#define BFA_FAA_ENABLED 1
208#define BFA_FAA_DISABLED 2
209
210
211
212
213struct bfa_faa_attr_s {
214 wwn_t faa;
215 u8 faa_state;
216 u8 pwwn_source;
217 u8 rsvd[6];
218};
219
220struct bfa_faa_args_s {
221 struct bfa_faa_attr_s *faa_attr;
222 struct bfa_faa_cbfn_s faa_cb;
223 u8 faa_state;
224 bfa_boolean_t busy;
225};
226
227struct bfa_iocfc_s {
228 bfa_fsm_t fsm;
229 struct bfa_s *bfa;
230 struct bfa_iocfc_cfg_s cfg;
231 u32 req_cq_pi[BFI_IOC_MAX_CQS];
232 u32 rsp_cq_ci[BFI_IOC_MAX_CQS];
233 u8 hw_qid[BFI_IOC_MAX_CQS];
234 struct bfa_cb_qe_s init_hcb_qe;
235 struct bfa_cb_qe_s stop_hcb_qe;
236 struct bfa_cb_qe_s dis_hcb_qe;
237 struct bfa_cb_qe_s en_hcb_qe;
238 struct bfa_cb_qe_s stats_hcb_qe;
239 bfa_boolean_t submod_enabled;
240 bfa_boolean_t cb_reqd;
241 bfa_status_t op_status;
242
243 struct bfa_dma_s cfg_info;
244 struct bfi_iocfc_cfg_s *cfginfo;
245 struct bfa_dma_s cfgrsp_dma;
246 struct bfi_iocfc_cfgrsp_s *cfgrsp;
247 struct bfa_dma_s req_cq_ba[BFI_IOC_MAX_CQS];
248 struct bfa_dma_s req_cq_shadow_ci[BFI_IOC_MAX_CQS];
249 struct bfa_dma_s rsp_cq_ba[BFI_IOC_MAX_CQS];
250 struct bfa_dma_s rsp_cq_shadow_pi[BFI_IOC_MAX_CQS];
251 struct bfa_iocfc_regs_s bfa_regs;
252 struct bfa_hwif_s hwif;
253 bfa_cb_iocfc_t updateq_cbfn;
254 void *updateq_cbarg;
255 u32 intr_mask;
256 struct bfa_faa_args_s faa_args;
257 struct bfa_mem_dma_s ioc_dma;
258 struct bfa_mem_dma_s iocfc_dma;
259 struct bfa_mem_dma_s reqq_dma[BFI_IOC_MAX_CQS];
260 struct bfa_mem_dma_s rspq_dma[BFI_IOC_MAX_CQS];
261 struct bfa_mem_kva_s kva_seg;
262};
263
264#define BFA_MEM_IOC_DMA(_bfa) (&((_bfa)->iocfc.ioc_dma))
265#define BFA_MEM_IOCFC_DMA(_bfa) (&((_bfa)->iocfc.iocfc_dma))
266#define BFA_MEM_REQQ_DMA(_bfa, _qno) (&((_bfa)->iocfc.reqq_dma[(_qno)]))
267#define BFA_MEM_RSPQ_DMA(_bfa, _qno) (&((_bfa)->iocfc.rspq_dma[(_qno)]))
268#define BFA_MEM_IOCFC_KVA(_bfa) (&((_bfa)->iocfc.kva_seg))
269
270#define bfa_fn_lpu(__bfa) \
271 bfi_fn_lpu(bfa_ioc_pcifn(&(__bfa)->ioc), bfa_ioc_portid(&(__bfa)->ioc))
272#define bfa_msix_init(__bfa, __nvecs) \
273 ((__bfa)->iocfc.hwif.hw_msix_init(__bfa, __nvecs))
274#define bfa_msix_ctrl_install(__bfa) \
275 ((__bfa)->iocfc.hwif.hw_msix_ctrl_install(__bfa))
276#define bfa_msix_queue_install(__bfa) \
277 ((__bfa)->iocfc.hwif.hw_msix_queue_install(__bfa))
278#define bfa_msix_uninstall(__bfa) \
279 ((__bfa)->iocfc.hwif.hw_msix_uninstall(__bfa))
280#define bfa_isr_rspq_ack(__bfa, __queue, __ci) \
281 ((__bfa)->iocfc.hwif.hw_rspq_ack(__bfa, __queue, __ci))
282#define bfa_isr_reqq_ack(__bfa, __queue) do { \
283 if ((__bfa)->iocfc.hwif.hw_reqq_ack) \
284 (__bfa)->iocfc.hwif.hw_reqq_ack(__bfa, __queue); \
285} while (0)
286#define bfa_isr_mode_set(__bfa, __msix) do { \
287 if ((__bfa)->iocfc.hwif.hw_isr_mode_set) \
288 (__bfa)->iocfc.hwif.hw_isr_mode_set(__bfa, __msix); \
289} while (0)
290#define bfa_msix_getvecs(__bfa, __vecmap, __nvecs, __maxvec) \
291 ((__bfa)->iocfc.hwif.hw_msix_getvecs(__bfa, __vecmap, \
292 __nvecs, __maxvec))
293#define bfa_msix_get_rme_range(__bfa, __start, __end) \
294 ((__bfa)->iocfc.hwif.hw_msix_get_rme_range(__bfa, __start, __end))
295#define bfa_msix(__bfa, __vec) \
296 ((__bfa)->msix.handler[__vec](__bfa, __vec))
297
298
299
300
301void bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg,
302 struct bfa_meminfo_s *meminfo,
303 struct bfa_s *bfa);
304void bfa_iocfc_attach(struct bfa_s *bfa, void *bfad,
305 struct bfa_iocfc_cfg_s *cfg,
306 struct bfa_pcidev_s *pcidev);
307void bfa_iocfc_init(struct bfa_s *bfa);
308void bfa_iocfc_start(struct bfa_s *bfa);
309void bfa_iocfc_stop(struct bfa_s *bfa);
310void bfa_iocfc_isr(void *bfa, struct bfi_mbmsg_s *msg);
311void bfa_iocfc_set_snsbase(struct bfa_s *bfa, int seg_no, u64 snsbase_pa);
312bfa_boolean_t bfa_iocfc_is_operational(struct bfa_s *bfa);
313void bfa_iocfc_reset_queues(struct bfa_s *bfa);
314
315void bfa_msix_all(struct bfa_s *bfa, int vec);
316void bfa_msix_reqq(struct bfa_s *bfa, int vec);
317void bfa_msix_rspq(struct bfa_s *bfa, int vec);
318void bfa_msix_lpu_err(struct bfa_s *bfa, int vec);
319
320void bfa_hwcb_reginit(struct bfa_s *bfa);
321void bfa_hwcb_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci);
322void bfa_hwcb_msix_init(struct bfa_s *bfa, int nvecs);
323void bfa_hwcb_msix_ctrl_install(struct bfa_s *bfa);
324void bfa_hwcb_msix_queue_install(struct bfa_s *bfa);
325void bfa_hwcb_msix_uninstall(struct bfa_s *bfa);
326void bfa_hwcb_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix);
327void bfa_hwcb_msix_getvecs(struct bfa_s *bfa, u32 *vecmap, u32 *nvecs,
328 u32 *maxvec);
329void bfa_hwcb_msix_get_rme_range(struct bfa_s *bfa, u32 *start,
330 u32 *end);
331void bfa_hwct_reginit(struct bfa_s *bfa);
332void bfa_hwct2_reginit(struct bfa_s *bfa);
333void bfa_hwct_reqq_ack(struct bfa_s *bfa, int rspq);
334void bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci);
335void bfa_hwct2_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci);
336void bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs);
337void bfa_hwct_msix_ctrl_install(struct bfa_s *bfa);
338void bfa_hwct_msix_queue_install(struct bfa_s *bfa);
339void bfa_hwct_msix_uninstall(struct bfa_s *bfa);
340void bfa_hwct_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix);
341void bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *vecmap, u32 *nvecs,
342 u32 *maxvec);
343void bfa_hwct_msix_get_rme_range(struct bfa_s *bfa, u32 *start,
344 u32 *end);
345void bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t *wwns);
346int bfa_iocfc_get_pbc_vports(struct bfa_s *bfa,
347 struct bfi_pbc_vport_s *pbc_vport);
348
349
350
351
352
353
354
355#define bfa_stats(_mod, _stats) ((_mod)->stats._stats++)
356#define bfa_ioc_get_stats(__bfa, __ioc_stats) \
357 bfa_ioc_fetch_stats(&(__bfa)->ioc, __ioc_stats)
358#define bfa_ioc_clear_stats(__bfa) \
359 bfa_ioc_clr_stats(&(__bfa)->ioc)
360#define bfa_get_nports(__bfa) \
361 bfa_ioc_get_nports(&(__bfa)->ioc)
362#define bfa_get_adapter_manufacturer(__bfa, __manufacturer) \
363 bfa_ioc_get_adapter_manufacturer(&(__bfa)->ioc, __manufacturer)
364#define bfa_get_adapter_model(__bfa, __model) \
365 bfa_ioc_get_adapter_model(&(__bfa)->ioc, __model)
366#define bfa_get_adapter_serial_num(__bfa, __serial_num) \
367 bfa_ioc_get_adapter_serial_num(&(__bfa)->ioc, __serial_num)
368#define bfa_get_adapter_fw_ver(__bfa, __fw_ver) \
369 bfa_ioc_get_adapter_fw_ver(&(__bfa)->ioc, __fw_ver)
370#define bfa_get_adapter_optrom_ver(__bfa, __optrom_ver) \
371 bfa_ioc_get_adapter_optrom_ver(&(__bfa)->ioc, __optrom_ver)
372#define bfa_get_pci_chip_rev(__bfa, __chip_rev) \
373 bfa_ioc_get_pci_chip_rev(&(__bfa)->ioc, __chip_rev)
374#define bfa_get_ioc_state(__bfa) \
375 bfa_ioc_get_state(&(__bfa)->ioc)
376#define bfa_get_type(__bfa) \
377 bfa_ioc_get_type(&(__bfa)->ioc)
378#define bfa_get_mac(__bfa) \
379 bfa_ioc_get_mac(&(__bfa)->ioc)
380#define bfa_get_mfg_mac(__bfa) \
381 bfa_ioc_get_mfg_mac(&(__bfa)->ioc)
382#define bfa_get_fw_clock_res(__bfa) \
383 ((__bfa)->iocfc.cfgrsp->fwcfg.fw_tick_res)
384
385
386
387
388
389#define bfa_get_lun_mask(__bfa) \
390 ((&(__bfa)->modules.dconf_mod)->min_cfg) ? NULL : \
391 (&(BFA_DCONF_MOD(__bfa)->dconf->lun_mask))
392
393#define bfa_get_lun_mask_list(_bfa) \
394 ((&(_bfa)->modules.dconf_mod)->min_cfg) ? NULL : \
395 (bfa_get_lun_mask(_bfa)->lun_list)
396
397#define bfa_get_lun_mask_status(_bfa) \
398 (((&(_bfa)->modules.dconf_mod)->min_cfg) \
399 ? BFA_LUNMASK_MINCFG : ((bfa_get_lun_mask(_bfa))->status))
400
401void bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids);
402void bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg);
403void bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg);
404void bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg,
405 struct bfa_meminfo_s *meminfo,
406 struct bfa_s *bfa);
407void bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
408 struct bfa_meminfo_s *meminfo,
409 struct bfa_pcidev_s *pcidev);
410void bfa_detach(struct bfa_s *bfa);
411void bfa_cb_init(void *bfad, bfa_status_t status);
412void bfa_cb_updateq(void *bfad, bfa_status_t status);
413
414bfa_boolean_t bfa_intx(struct bfa_s *bfa);
415void bfa_isr_enable(struct bfa_s *bfa);
416void bfa_isr_disable(struct bfa_s *bfa);
417
418void bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q);
419void bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q);
420void bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q);
421
422typedef void (*bfa_cb_ioc_t) (void *cbarg, enum bfa_status status);
423void bfa_iocfc_get_attr(struct bfa_s *bfa, struct bfa_iocfc_attr_s *attr);
424
425
426bfa_status_t bfa_iocfc_israttr_set(struct bfa_s *bfa,
427 struct bfa_iocfc_intr_attr_s *attr);
428
429void bfa_iocfc_enable(struct bfa_s *bfa);
430void bfa_iocfc_disable(struct bfa_s *bfa);
431#define bfa_timer_start(_bfa, _timer, _timercb, _arg, _timeout) \
432 bfa_timer_begin(&(_bfa)->timer_mod, _timer, _timercb, _arg, _timeout)
433
434struct bfa_cb_pending_q_s {
435 struct bfa_cb_qe_s hcb_qe;
436 void *data;
437};
438
439
440#define bfa_pending_q_init(__qe, __cbfn, __cbarg, __data) do { \
441 bfa_q_qe_init(&((__qe)->hcb_qe.qe)); \
442 (__qe)->hcb_qe.cbfn = (__cbfn); \
443 (__qe)->hcb_qe.cbarg = (__cbarg); \
444 (__qe)->hcb_qe.pre_rmv = BFA_TRUE; \
445 (__qe)->data = (__data); \
446} while (0)
447
448#endif
449
