xref: /openbmc/linux/drivers/scsi/bfa/bfa.h (revision 8ffdff6a)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
4  * Copyright (c) 2014- QLogic Corporation.
5  * All rights reserved
6  * www.qlogic.com
7  *
8  * Linux driver for QLogic BR-series Fibre Channel Host Bus Adapter.
9  */
10 #ifndef __BFA_H__
11 #define __BFA_H__
12 
13 #include "bfad_drv.h"
14 #include "bfa_cs.h"
15 #include "bfa_plog.h"
16 #include "bfa_defs_svc.h"
17 #include "bfi.h"
18 #include "bfa_ioc.h"
19 
20 struct bfa_s;
21 
22 typedef void (*bfa_isr_func_t) (struct bfa_s *bfa, struct bfi_msg_s *m);
23 typedef void (*bfa_cb_cbfn_status_t) (void *cbarg, bfa_status_t status);
24 
25 /*
26  * Interrupt message handlers
27  */
28 void bfa_isr_unhandled(struct bfa_s *bfa, struct bfi_msg_s *m);
29 
30 /*
31  * Request and response queue related defines
32  */
33 #define BFA_REQQ_NELEMS_MIN	(4)
34 #define BFA_RSPQ_NELEMS_MIN	(4)
35 
36 #define bfa_reqq_pi(__bfa, __reqq)	((__bfa)->iocfc.req_cq_pi[__reqq])
37 #define bfa_reqq_ci(__bfa, __reqq)					\
38 	(*(u32 *)((__bfa)->iocfc.req_cq_shadow_ci[__reqq].kva))
39 
40 #define bfa_reqq_full(__bfa, __reqq)				\
41 	(((bfa_reqq_pi(__bfa, __reqq) + 1) &			\
42 	  ((__bfa)->iocfc.cfg.drvcfg.num_reqq_elems - 1)) ==	\
43 	 bfa_reqq_ci(__bfa, __reqq))
44 
45 #define bfa_reqq_next(__bfa, __reqq)					\
46 	(bfa_reqq_full(__bfa, __reqq) ? NULL :				\
47 	 ((void *)((struct bfi_msg_s *)((__bfa)->iocfc.req_cq_ba[__reqq].kva) \
48 		   + bfa_reqq_pi((__bfa), (__reqq)))))
49 
50 #define bfa_reqq_produce(__bfa, __reqq, __mh)  do {			\
51 		(__mh).mtag.h2i.qid     = (__bfa)->iocfc.hw_qid[__reqq];\
52 		(__bfa)->iocfc.req_cq_pi[__reqq]++;			\
53 		(__bfa)->iocfc.req_cq_pi[__reqq] &=			\
54 			((__bfa)->iocfc.cfg.drvcfg.num_reqq_elems - 1); \
55 		writel((__bfa)->iocfc.req_cq_pi[__reqq],		\
56 			(__bfa)->iocfc.bfa_regs.cpe_q_pi[__reqq]);	\
57 		} while (0)
58 
59 #define bfa_rspq_pi(__bfa, __rspq)					\
60 	(*(u32 *)((__bfa)->iocfc.rsp_cq_shadow_pi[__rspq].kva))
61 
62 #define bfa_rspq_ci(__bfa, __rspq)	((__bfa)->iocfc.rsp_cq_ci[__rspq])
63 #define bfa_rspq_elem(__bfa, __rspq, __ci)				\
64 	(&((struct bfi_msg_s *)((__bfa)->iocfc.rsp_cq_ba[__rspq].kva))[__ci])
65 
66 #define CQ_INCR(__index, __size) do {			\
67 	(__index)++;					\
68 	(__index) &= ((__size) - 1);			\
69 } while (0)
70 
71 /*
72  * Circular queue usage assignments
73  */
74 enum {
75 	BFA_REQQ_IOC	= 0,	/*  all low-priority IOC msgs	*/
76 	BFA_REQQ_FCXP	= 0,	/*  all FCXP messages		*/
77 	BFA_REQQ_LPS	= 0,	/*  all lport service msgs	*/
78 	BFA_REQQ_PORT	= 0,	/*  all port messages		*/
79 	BFA_REQQ_FLASH	= 0,	/*  for flash module		*/
80 	BFA_REQQ_DIAG	= 0,	/*  for diag module		*/
81 	BFA_REQQ_RPORT	= 0,	/*  all port messages		*/
82 	BFA_REQQ_SBOOT	= 0,	/*  all san boot messages	*/
83 	BFA_REQQ_QOS_LO	= 1,	/*  all low priority IO	*/
84 	BFA_REQQ_QOS_MD	= 2,	/*  all medium priority IO	*/
85 	BFA_REQQ_QOS_HI	= 3,	/*  all high priority IO	*/
86 };
87 
88 static inline void
89 bfa_reqq_winit(struct bfa_reqq_wait_s *wqe, void (*qresume) (void *cbarg),
90 	       void *cbarg)
91 {
92 	wqe->qresume = qresume;
93 	wqe->cbarg = cbarg;
94 }
95 
96 #define bfa_reqq(__bfa, __reqq)	(&(__bfa)->reqq_waitq[__reqq])
97 
98 /*
99  * static inline void
100  * bfa_reqq_wait(struct bfa_s *bfa, int reqq, struct bfa_reqq_wait_s *wqe)
101  */
102 #define bfa_reqq_wait(__bfa, __reqq, __wqe) do {			\
103 									\
104 		struct list_head *waitq = bfa_reqq(__bfa, __reqq);      \
105 									\
106 		WARN_ON(((__reqq) >= BFI_IOC_MAX_CQS));			\
107 		WARN_ON(!((__wqe)->qresume && (__wqe)->cbarg));		\
108 									\
109 		list_add_tail(&(__wqe)->qe, waitq);      \
110 	} while (0)
111 
112 #define bfa_reqq_wcancel(__wqe)	list_del(&(__wqe)->qe)
113 
114 #define bfa_cb_queue(__bfa, __hcb_qe, __cbfn, __cbarg) do {	\
115 		(__hcb_qe)->cbfn  = (__cbfn);      \
116 		(__hcb_qe)->cbarg = (__cbarg);      \
117 		(__hcb_qe)->pre_rmv = BFA_FALSE;		\
118 		list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q);      \
119 	} while (0)
120 
121 #define bfa_cb_dequeue(__hcb_qe)	list_del(&(__hcb_qe)->qe)
122 
123 #define bfa_cb_queue_once(__bfa, __hcb_qe, __cbfn, __cbarg) do {	\
124 		(__hcb_qe)->cbfn  = (__cbfn);      \
125 		(__hcb_qe)->cbarg = (__cbarg);      \
126 		if (!(__hcb_qe)->once) {      \
127 			list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q);      \
128 			(__hcb_qe)->once = BFA_TRUE;			\
129 		}							\
130 	} while (0)
131 
132 #define bfa_cb_queue_status(__bfa, __hcb_qe, __status) do {		\
133 		(__hcb_qe)->fw_status = (__status);			\
134 		list_add_tail(&(__hcb_qe)->qe, &(__bfa)->comp_q);	\
135 } while (0)
136 
137 #define bfa_cb_queue_done(__hcb_qe) do {	\
138 		(__hcb_qe)->once = BFA_FALSE;	\
139 	} while (0)
140 
141 
142 /*
143  * PCI devices supported by the current BFA
144  */
145 struct bfa_pciid_s {
146 	u16	device_id;
147 	u16	vendor_id;
148 };
149 
150 extern char     bfa_version[];
151 
152 struct bfa_iocfc_regs_s {
153 	void __iomem	*intr_status;
154 	void __iomem	*intr_mask;
155 	void __iomem	*cpe_q_pi[BFI_IOC_MAX_CQS];
156 	void __iomem	*cpe_q_ci[BFI_IOC_MAX_CQS];
157 	void __iomem	*cpe_q_ctrl[BFI_IOC_MAX_CQS];
158 	void __iomem	*rme_q_ci[BFI_IOC_MAX_CQS];
159 	void __iomem	*rme_q_pi[BFI_IOC_MAX_CQS];
160 	void __iomem	*rme_q_ctrl[BFI_IOC_MAX_CQS];
161 };
162 
163 /*
164  * MSIX vector handlers
165  */
166 #define BFA_MSIX_MAX_VECTORS	22
167 typedef void (*bfa_msix_handler_t)(struct bfa_s *bfa, int vec);
168 struct bfa_msix_s {
169 	int	nvecs;
170 	bfa_msix_handler_t handler[BFA_MSIX_MAX_VECTORS];
171 };
172 
173 /*
174  * Chip specific interfaces
175  */
176 struct bfa_hwif_s {
177 	void (*hw_reginit)(struct bfa_s *bfa);
178 	void (*hw_reqq_ack)(struct bfa_s *bfa, int reqq);
179 	void (*hw_rspq_ack)(struct bfa_s *bfa, int rspq, u32 ci);
180 	void (*hw_msix_init)(struct bfa_s *bfa, int nvecs);
181 	void (*hw_msix_ctrl_install)(struct bfa_s *bfa);
182 	void (*hw_msix_queue_install)(struct bfa_s *bfa);
183 	void (*hw_msix_uninstall)(struct bfa_s *bfa);
184 	void (*hw_isr_mode_set)(struct bfa_s *bfa, bfa_boolean_t msix);
185 	void (*hw_msix_getvecs)(struct bfa_s *bfa, u32 *vecmap,
186 				u32 *nvecs, u32 *maxvec);
187 	void (*hw_msix_get_rme_range) (struct bfa_s *bfa, u32 *start,
188 				       u32 *end);
189 	int	cpe_vec_q0;
190 	int	rme_vec_q0;
191 };
192 typedef void (*bfa_cb_iocfc_t) (void *cbarg, enum bfa_status status);
193 
194 struct bfa_faa_cbfn_s {
195 	bfa_cb_iocfc_t	faa_cbfn;
196 	void		*faa_cbarg;
197 };
198 
199 #define BFA_FAA_ENABLED		1
200 #define BFA_FAA_DISABLED	2
201 
202 /*
203  *	FAA attributes
204  */
205 struct bfa_faa_attr_s {
206 	wwn_t	faa;
207 	u8	faa_state;
208 	u8	pwwn_source;
209 	u8	rsvd[6];
210 };
211 
212 struct bfa_faa_args_s {
213 	struct bfa_faa_attr_s	*faa_attr;
214 	struct bfa_faa_cbfn_s	faa_cb;
215 	u8			faa_state;
216 	bfa_boolean_t		busy;
217 };
218 
219 struct bfa_iocfc_s {
220 	bfa_fsm_t		fsm;
221 	struct bfa_s		*bfa;
222 	struct bfa_iocfc_cfg_s	cfg;
223 	u32		req_cq_pi[BFI_IOC_MAX_CQS];
224 	u32		rsp_cq_ci[BFI_IOC_MAX_CQS];
225 	u8		hw_qid[BFI_IOC_MAX_CQS];
226 	struct bfa_cb_qe_s	init_hcb_qe;
227 	struct bfa_cb_qe_s	stop_hcb_qe;
228 	struct bfa_cb_qe_s	dis_hcb_qe;
229 	struct bfa_cb_qe_s	en_hcb_qe;
230 	struct bfa_cb_qe_s	stats_hcb_qe;
231 	bfa_boolean_t		submod_enabled;
232 	bfa_boolean_t		cb_reqd;	/* Driver call back reqd */
233 	bfa_status_t		op_status;	/* Status of bfa iocfc op */
234 
235 	struct bfa_dma_s	cfg_info;
236 	struct bfi_iocfc_cfg_s *cfginfo;
237 	struct bfa_dma_s	cfgrsp_dma;
238 	struct bfi_iocfc_cfgrsp_s *cfgrsp;
239 	struct bfa_dma_s	req_cq_ba[BFI_IOC_MAX_CQS];
240 	struct bfa_dma_s	req_cq_shadow_ci[BFI_IOC_MAX_CQS];
241 	struct bfa_dma_s	rsp_cq_ba[BFI_IOC_MAX_CQS];
242 	struct bfa_dma_s	rsp_cq_shadow_pi[BFI_IOC_MAX_CQS];
243 	struct bfa_iocfc_regs_s	bfa_regs;	/*  BFA device registers */
244 	struct bfa_hwif_s	hwif;
245 	bfa_cb_iocfc_t		updateq_cbfn; /*  bios callback function */
246 	void			*updateq_cbarg;	/*  bios callback arg */
247 	u32	intr_mask;
248 	struct bfa_faa_args_s	faa_args;
249 	struct bfa_mem_dma_s	ioc_dma;
250 	struct bfa_mem_dma_s	iocfc_dma;
251 	struct bfa_mem_dma_s	reqq_dma[BFI_IOC_MAX_CQS];
252 	struct bfa_mem_dma_s	rspq_dma[BFI_IOC_MAX_CQS];
253 	struct bfa_mem_kva_s	kva_seg;
254 };
255 
256 #define BFA_MEM_IOC_DMA(_bfa)		(&((_bfa)->iocfc.ioc_dma))
257 #define BFA_MEM_IOCFC_DMA(_bfa)		(&((_bfa)->iocfc.iocfc_dma))
258 #define BFA_MEM_REQQ_DMA(_bfa, _qno)	(&((_bfa)->iocfc.reqq_dma[(_qno)]))
259 #define BFA_MEM_RSPQ_DMA(_bfa, _qno)	(&((_bfa)->iocfc.rspq_dma[(_qno)]))
260 #define BFA_MEM_IOCFC_KVA(_bfa)		(&((_bfa)->iocfc.kva_seg))
261 
262 #define bfa_fn_lpu(__bfa)	\
263 	bfi_fn_lpu(bfa_ioc_pcifn(&(__bfa)->ioc), bfa_ioc_portid(&(__bfa)->ioc))
264 #define bfa_msix_init(__bfa, __nvecs)					\
265 	((__bfa)->iocfc.hwif.hw_msix_init(__bfa, __nvecs))
266 #define bfa_msix_ctrl_install(__bfa)					\
267 	((__bfa)->iocfc.hwif.hw_msix_ctrl_install(__bfa))
268 #define bfa_msix_queue_install(__bfa)					\
269 	((__bfa)->iocfc.hwif.hw_msix_queue_install(__bfa))
270 #define bfa_msix_uninstall(__bfa)					\
271 	((__bfa)->iocfc.hwif.hw_msix_uninstall(__bfa))
272 #define bfa_isr_rspq_ack(__bfa, __queue, __ci)				\
273 	((__bfa)->iocfc.hwif.hw_rspq_ack(__bfa, __queue, __ci))
274 #define bfa_isr_reqq_ack(__bfa, __queue) do {				\
275 	if ((__bfa)->iocfc.hwif.hw_reqq_ack)				\
276 		(__bfa)->iocfc.hwif.hw_reqq_ack(__bfa, __queue);	\
277 } while (0)
278 #define bfa_isr_mode_set(__bfa, __msix) do {				\
279 	if ((__bfa)->iocfc.hwif.hw_isr_mode_set)			\
280 		(__bfa)->iocfc.hwif.hw_isr_mode_set(__bfa, __msix);	\
281 } while (0)
282 #define bfa_msix_getvecs(__bfa, __vecmap, __nvecs, __maxvec)		\
283 	((__bfa)->iocfc.hwif.hw_msix_getvecs(__bfa, __vecmap,		\
284 					__nvecs, __maxvec))
285 #define bfa_msix_get_rme_range(__bfa, __start, __end)			\
286 	((__bfa)->iocfc.hwif.hw_msix_get_rme_range(__bfa, __start, __end))
287 #define bfa_msix(__bfa, __vec)						\
288 	((__bfa)->msix.handler[__vec](__bfa, __vec))
289 
290 /*
291  * FC specific IOC functions.
292  */
293 void bfa_iocfc_meminfo(struct bfa_iocfc_cfg_s *cfg,
294 			struct bfa_meminfo_s *meminfo,
295 			struct bfa_s *bfa);
296 void bfa_iocfc_attach(struct bfa_s *bfa, void *bfad,
297 		      struct bfa_iocfc_cfg_s *cfg,
298 		      struct bfa_pcidev_s *pcidev);
299 void bfa_iocfc_init(struct bfa_s *bfa);
300 void bfa_iocfc_start(struct bfa_s *bfa);
301 void bfa_iocfc_stop(struct bfa_s *bfa);
302 void bfa_iocfc_isr(void *bfa, struct bfi_mbmsg_s *msg);
303 void bfa_iocfc_set_snsbase(struct bfa_s *bfa, int seg_no, u64 snsbase_pa);
304 bfa_boolean_t bfa_iocfc_is_operational(struct bfa_s *bfa);
305 void bfa_iocfc_reset_queues(struct bfa_s *bfa);
306 
307 void bfa_msix_all(struct bfa_s *bfa, int vec);
308 void bfa_msix_reqq(struct bfa_s *bfa, int vec);
309 void bfa_msix_rspq(struct bfa_s *bfa, int vec);
310 void bfa_msix_lpu_err(struct bfa_s *bfa, int vec);
311 
312 void bfa_hwcb_reginit(struct bfa_s *bfa);
313 void bfa_hwcb_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci);
314 void bfa_hwcb_msix_init(struct bfa_s *bfa, int nvecs);
315 void bfa_hwcb_msix_ctrl_install(struct bfa_s *bfa);
316 void bfa_hwcb_msix_queue_install(struct bfa_s *bfa);
317 void bfa_hwcb_msix_uninstall(struct bfa_s *bfa);
318 void bfa_hwcb_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix);
319 void bfa_hwcb_msix_getvecs(struct bfa_s *bfa, u32 *vecmap, u32 *nvecs,
320 			   u32 *maxvec);
321 void bfa_hwcb_msix_get_rme_range(struct bfa_s *bfa, u32 *start,
322 				 u32 *end);
323 void bfa_hwct_reginit(struct bfa_s *bfa);
324 void bfa_hwct2_reginit(struct bfa_s *bfa);
325 void bfa_hwct_reqq_ack(struct bfa_s *bfa, int rspq);
326 void bfa_hwct_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci);
327 void bfa_hwct2_rspq_ack(struct bfa_s *bfa, int rspq, u32 ci);
328 void bfa_hwct_msix_init(struct bfa_s *bfa, int nvecs);
329 void bfa_hwct_msix_ctrl_install(struct bfa_s *bfa);
330 void bfa_hwct_msix_queue_install(struct bfa_s *bfa);
331 void bfa_hwct_msix_uninstall(struct bfa_s *bfa);
332 void bfa_hwct_isr_mode_set(struct bfa_s *bfa, bfa_boolean_t msix);
333 void bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *vecmap, u32 *nvecs,
334 			   u32 *maxvec);
335 void bfa_hwct_msix_get_rme_range(struct bfa_s *bfa, u32 *start,
336 				 u32 *end);
337 void bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t *wwns);
338 int bfa_iocfc_get_pbc_vports(struct bfa_s *bfa,
339 				struct bfi_pbc_vport_s *pbc_vport);
340 
341 
342 /*
343  *----------------------------------------------------------------------
344  *		BFA public interfaces
345  *----------------------------------------------------------------------
346  */
347 #define bfa_stats(_mod, _stats)	((_mod)->stats._stats++)
348 #define bfa_ioc_get_stats(__bfa, __ioc_stats)		\
349 	bfa_ioc_fetch_stats(&(__bfa)->ioc, __ioc_stats)
350 #define bfa_ioc_clear_stats(__bfa)		\
351 	bfa_ioc_clr_stats(&(__bfa)->ioc)
352 #define bfa_get_nports(__bfa)			\
353 	bfa_ioc_get_nports(&(__bfa)->ioc)
354 #define bfa_get_adapter_manufacturer(__bfa, __manufacturer)		\
355 	bfa_ioc_get_adapter_manufacturer(&(__bfa)->ioc, __manufacturer)
356 #define bfa_get_adapter_model(__bfa, __model)			\
357 	bfa_ioc_get_adapter_model(&(__bfa)->ioc, __model)
358 #define bfa_get_adapter_serial_num(__bfa, __serial_num)			\
359 	bfa_ioc_get_adapter_serial_num(&(__bfa)->ioc, __serial_num)
360 #define bfa_get_adapter_fw_ver(__bfa, __fw_ver)			\
361 	bfa_ioc_get_adapter_fw_ver(&(__bfa)->ioc, __fw_ver)
362 #define bfa_get_adapter_optrom_ver(__bfa, __optrom_ver)			\
363 	bfa_ioc_get_adapter_optrom_ver(&(__bfa)->ioc, __optrom_ver)
364 #define bfa_get_pci_chip_rev(__bfa, __chip_rev)			\
365 	bfa_ioc_get_pci_chip_rev(&(__bfa)->ioc, __chip_rev)
366 #define bfa_get_ioc_state(__bfa)		\
367 	bfa_ioc_get_state(&(__bfa)->ioc)
368 #define bfa_get_type(__bfa)			\
369 	bfa_ioc_get_type(&(__bfa)->ioc)
370 #define bfa_get_mac(__bfa)			\
371 	bfa_ioc_get_mac(&(__bfa)->ioc)
372 #define bfa_get_mfg_mac(__bfa)			\
373 	bfa_ioc_get_mfg_mac(&(__bfa)->ioc)
374 #define bfa_get_fw_clock_res(__bfa)		\
375 	((__bfa)->iocfc.cfgrsp->fwcfg.fw_tick_res)
376 
377 /*
378  * lun mask macros return NULL when min cfg is enabled and there is
379  * no memory allocated for lunmask.
380  */
381 #define bfa_get_lun_mask(__bfa)					\
382 	((&(__bfa)->modules.dconf_mod)->min_cfg) ? NULL :	\
383 	 (&(BFA_DCONF_MOD(__bfa)->dconf->lun_mask))
384 
385 #define bfa_get_lun_mask_list(_bfa)				\
386 	((&(_bfa)->modules.dconf_mod)->min_cfg) ? NULL :	\
387 	 (bfa_get_lun_mask(_bfa)->lun_list)
388 
389 #define bfa_get_lun_mask_status(_bfa)				\
390 	(((&(_bfa)->modules.dconf_mod)->min_cfg)		\
391 	 ? BFA_LUNMASK_MINCFG : ((bfa_get_lun_mask(_bfa))->status))
392 
393 void bfa_get_pciids(struct bfa_pciid_s **pciids, int *npciids);
394 void bfa_cfg_get_default(struct bfa_iocfc_cfg_s *cfg);
395 void bfa_cfg_get_min(struct bfa_iocfc_cfg_s *cfg);
396 void bfa_cfg_get_meminfo(struct bfa_iocfc_cfg_s *cfg,
397 			struct bfa_meminfo_s *meminfo,
398 			struct bfa_s *bfa);
399 void bfa_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg,
400 		struct bfa_meminfo_s *meminfo,
401 		struct bfa_pcidev_s *pcidev);
402 void bfa_detach(struct bfa_s *bfa);
403 void bfa_cb_init(void *bfad, bfa_status_t status);
404 void bfa_cb_updateq(void *bfad, bfa_status_t status);
405 
406 bfa_boolean_t bfa_intx(struct bfa_s *bfa);
407 void bfa_isr_enable(struct bfa_s *bfa);
408 void bfa_isr_disable(struct bfa_s *bfa);
409 
410 void bfa_comp_deq(struct bfa_s *bfa, struct list_head *comp_q);
411 void bfa_comp_process(struct bfa_s *bfa, struct list_head *comp_q);
412 void bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q);
413 
414 typedef void (*bfa_cb_ioc_t) (void *cbarg, enum bfa_status status);
415 void bfa_iocfc_get_attr(struct bfa_s *bfa, struct bfa_iocfc_attr_s *attr);
416 
417 
418 bfa_status_t bfa_iocfc_israttr_set(struct bfa_s *bfa,
419 				   struct bfa_iocfc_intr_attr_s *attr);
420 
421 void bfa_iocfc_enable(struct bfa_s *bfa);
422 void bfa_iocfc_disable(struct bfa_s *bfa);
423 #define bfa_timer_start(_bfa, _timer, _timercb, _arg, _timeout)		\
424 	bfa_timer_begin(&(_bfa)->timer_mod, _timer, _timercb, _arg, _timeout)
425 
426 struct bfa_cb_pending_q_s {
427 	struct bfa_cb_qe_s	hcb_qe;
428 	void			*data;  /* Driver buffer */
429 };
430 
431 /* Common macros to operate on pending stats/attr apis */
432 #define bfa_pending_q_init(__qe, __cbfn, __cbarg, __data) do {	\
433 	bfa_q_qe_init(&((__qe)->hcb_qe.qe));			\
434 	(__qe)->hcb_qe.cbfn = (__cbfn);				\
435 	(__qe)->hcb_qe.cbarg = (__cbarg);			\
436 	(__qe)->hcb_qe.pre_rmv = BFA_TRUE;			\
437 	(__qe)->data = (__data);				\
438 } while (0)
439 
440 #endif /* __BFA_H__ */
441