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39#ifndef __BNXT_QPLIB_RES_H__
40#define __BNXT_QPLIB_RES_H__
41
42extern const struct bnxt_qplib_gid bnxt_qplib_gid_zero;
43
44#define CHIP_NUM_57508 0x1750
45#define CHIP_NUM_57504 0x1751
46#define CHIP_NUM_57502 0x1752
47
48struct bnxt_qplib_drv_modes {
49 u8 wqe_mode;
50
51};
52
53struct bnxt_qplib_chip_ctx {
54 u16 chip_num;
55 u8 chip_rev;
56 u8 chip_metal;
57 u16 hw_stats_size;
58 struct bnxt_qplib_drv_modes modes;
59};
60
61#define PTR_CNT_PER_PG (PAGE_SIZE / sizeof(void *))
62#define PTR_MAX_IDX_PER_PG (PTR_CNT_PER_PG - 1)
63#define PTR_PG(x) (((x) & ~PTR_MAX_IDX_PER_PG) / PTR_CNT_PER_PG)
64#define PTR_IDX(x) ((x) & PTR_MAX_IDX_PER_PG)
65
66#define HWQ_CMP(idx, hwq) ((idx) & ((hwq)->max_elements - 1))
67
68#define HWQ_FREE_SLOTS(hwq) (hwq->max_elements - \
69 ((HWQ_CMP(hwq->prod, hwq)\
70 - HWQ_CMP(hwq->cons, hwq))\
71 & (hwq->max_elements - 1)))
72enum bnxt_qplib_hwq_type {
73 HWQ_TYPE_CTX,
74 HWQ_TYPE_QUEUE,
75 HWQ_TYPE_L2_CMPL,
76 HWQ_TYPE_MR
77};
78
79#define MAX_PBL_LVL_0_PGS 1
80#define MAX_PBL_LVL_1_PGS 512
81#define MAX_PBL_LVL_1_PGS_SHIFT 9
82#define MAX_PBL_LVL_1_PGS_FOR_LVL_2 256
83#define MAX_PBL_LVL_2_PGS (256 * 512)
84#define MAX_PDL_LVL_SHIFT 9
85
86enum bnxt_qplib_pbl_lvl {
87 PBL_LVL_0,
88 PBL_LVL_1,
89 PBL_LVL_2,
90 PBL_LVL_MAX
91};
92
93#define ROCE_PG_SIZE_4K (4 * 1024)
94#define ROCE_PG_SIZE_8K (8 * 1024)
95#define ROCE_PG_SIZE_64K (64 * 1024)
96#define ROCE_PG_SIZE_2M (2 * 1024 * 1024)
97#define ROCE_PG_SIZE_8M (8 * 1024 * 1024)
98#define ROCE_PG_SIZE_1G (1024 * 1024 * 1024)
99
100enum bnxt_qplib_hwrm_pg_size {
101 BNXT_QPLIB_HWRM_PG_SIZE_4K = 0,
102 BNXT_QPLIB_HWRM_PG_SIZE_8K = 1,
103 BNXT_QPLIB_HWRM_PG_SIZE_64K = 2,
104 BNXT_QPLIB_HWRM_PG_SIZE_2M = 3,
105 BNXT_QPLIB_HWRM_PG_SIZE_8M = 4,
106 BNXT_QPLIB_HWRM_PG_SIZE_1G = 5,
107};
108
109struct bnxt_qplib_reg_desc {
110 u8 bar_id;
111 resource_size_t bar_base;
112 void __iomem *bar_reg;
113 size_t len;
114};
115
116struct bnxt_qplib_pbl {
117 u32 pg_count;
118 u32 pg_size;
119 void **pg_arr;
120 dma_addr_t *pg_map_arr;
121};
122
123struct bnxt_qplib_sg_info {
124 struct ib_umem *umem;
125 u32 npages;
126 u32 pgshft;
127 u32 pgsize;
128 bool nopte;
129};
130
131struct bnxt_qplib_hwq_attr {
132 struct bnxt_qplib_res *res;
133 struct bnxt_qplib_sg_info *sginfo;
134 enum bnxt_qplib_hwq_type type;
135 u32 depth;
136 u32 stride;
137 u32 aux_stride;
138 u32 aux_depth;
139};
140
141struct bnxt_qplib_hwq {
142 struct pci_dev *pdev;
143
144 spinlock_t lock;
145 struct bnxt_qplib_pbl pbl[PBL_LVL_MAX + 1];
146 enum bnxt_qplib_pbl_lvl level;
147
148 void **pbl_ptr;
149
150 dma_addr_t *pbl_dma_ptr;
151 u32 max_elements;
152 u32 depth;
153 u16 element_size;
154 u16 qe_ppg;
155
156 u32 prod;
157 u32 cons;
158 u8 cp_bit;
159 u8 is_user;
160 u64 *pad_pg;
161 u32 pad_stride;
162 u32 pad_pgofft;
163};
164
165struct bnxt_qplib_db_info {
166 void __iomem *db;
167 void __iomem *priv_db;
168 struct bnxt_qplib_hwq *hwq;
169 u32 xid;
170 u32 max_slot;
171};
172
173
174struct bnxt_qplib_pd_tbl {
175 unsigned long *tbl;
176 u32 max;
177};
178
179struct bnxt_qplib_sgid_tbl {
180 struct bnxt_qplib_gid_info *tbl;
181 u16 *hw_id;
182 u16 max;
183 u16 active;
184 void *ctx;
185 u8 *vlan;
186};
187
188struct bnxt_qplib_pkey_tbl {
189 u16 *tbl;
190 u16 max;
191 u16 active;
192};
193
194struct bnxt_qplib_dpi {
195 u32 dpi;
196 void __iomem *dbr;
197 u64 umdbr;
198};
199
200struct bnxt_qplib_dpi_tbl {
201 void **app_tbl;
202 unsigned long *tbl;
203 u16 max;
204 void __iomem *dbr_bar_reg_iomem;
205 u64 unmapped_dbr;
206};
207
208struct bnxt_qplib_stats {
209 dma_addr_t dma_map;
210 void *dma;
211 u32 size;
212 u32 fw_id;
213};
214
215struct bnxt_qplib_vf_res {
216 u32 max_qp_per_vf;
217 u32 max_mrw_per_vf;
218 u32 max_srq_per_vf;
219 u32 max_cq_per_vf;
220 u32 max_gid_per_vf;
221};
222
223#define BNXT_QPLIB_MAX_QP_CTX_ENTRY_SIZE 448
224#define BNXT_QPLIB_MAX_SRQ_CTX_ENTRY_SIZE 64
225#define BNXT_QPLIB_MAX_CQ_CTX_ENTRY_SIZE 64
226#define BNXT_QPLIB_MAX_MRW_CTX_ENTRY_SIZE 128
227
228#define MAX_TQM_ALLOC_REQ 48
229#define MAX_TQM_ALLOC_BLK_SIZE 8
230struct bnxt_qplib_tqm_ctx {
231 struct bnxt_qplib_hwq pde;
232 u8 pde_level;
233 struct bnxt_qplib_hwq qtbl[MAX_TQM_ALLOC_REQ];
234 u8 qcount[MAX_TQM_ALLOC_REQ];
235};
236
237struct bnxt_qplib_ctx {
238 u32 qpc_count;
239 struct bnxt_qplib_hwq qpc_tbl;
240 u32 mrw_count;
241 struct bnxt_qplib_hwq mrw_tbl;
242 u32 srqc_count;
243 struct bnxt_qplib_hwq srqc_tbl;
244 u32 cq_count;
245 struct bnxt_qplib_hwq cq_tbl;
246 struct bnxt_qplib_hwq tim_tbl;
247 struct bnxt_qplib_tqm_ctx tqm_ctx;
248 struct bnxt_qplib_stats stats;
249 struct bnxt_qplib_vf_res vf_res;
250 u64 hwrm_intf_ver;
251};
252
253struct bnxt_qplib_res {
254 struct pci_dev *pdev;
255 struct bnxt_qplib_chip_ctx *cctx;
256 struct net_device *netdev;
257
258 struct bnxt_qplib_rcfw *rcfw;
259 struct bnxt_qplib_pd_tbl pd_tbl;
260 struct bnxt_qplib_sgid_tbl sgid_tbl;
261 struct bnxt_qplib_pkey_tbl pkey_tbl;
262 struct bnxt_qplib_dpi_tbl dpi_tbl;
263 bool prio;
264};
265
266static inline bool bnxt_qplib_is_chip_gen_p5(struct bnxt_qplib_chip_ctx *cctx)
267{
268 return (cctx->chip_num == CHIP_NUM_57508 ||
269 cctx->chip_num == CHIP_NUM_57504 ||
270 cctx->chip_num == CHIP_NUM_57502);
271}
272
273static inline u8 bnxt_qplib_get_hwq_type(struct bnxt_qplib_res *res)
274{
275 return bnxt_qplib_is_chip_gen_p5(res->cctx) ?
276 HWQ_TYPE_QUEUE : HWQ_TYPE_L2_CMPL;
277}
278
279static inline u8 bnxt_qplib_get_ring_type(struct bnxt_qplib_chip_ctx *cctx)
280{
281 return bnxt_qplib_is_chip_gen_p5(cctx) ?
282 RING_ALLOC_REQ_RING_TYPE_NQ :
283 RING_ALLOC_REQ_RING_TYPE_ROCE_CMPL;
284}
285
286static inline u8 bnxt_qplib_base_pg_size(struct bnxt_qplib_hwq *hwq)
287{
288 u8 pg_size = BNXT_QPLIB_HWRM_PG_SIZE_4K;
289 struct bnxt_qplib_pbl *pbl;
290
291 pbl = &hwq->pbl[PBL_LVL_0];
292 switch (pbl->pg_size) {
293 case ROCE_PG_SIZE_4K:
294 pg_size = BNXT_QPLIB_HWRM_PG_SIZE_4K;
295 break;
296 case ROCE_PG_SIZE_8K:
297 pg_size = BNXT_QPLIB_HWRM_PG_SIZE_8K;
298 break;
299 case ROCE_PG_SIZE_64K:
300 pg_size = BNXT_QPLIB_HWRM_PG_SIZE_64K;
301 break;
302 case ROCE_PG_SIZE_2M:
303 pg_size = BNXT_QPLIB_HWRM_PG_SIZE_2M;
304 break;
305 case ROCE_PG_SIZE_8M:
306 pg_size = BNXT_QPLIB_HWRM_PG_SIZE_8M;
307 break;
308 case ROCE_PG_SIZE_1G:
309 pg_size = BNXT_QPLIB_HWRM_PG_SIZE_1G;
310 break;
311 default:
312 break;
313 }
314
315 return pg_size;
316}
317
318static inline void *bnxt_qplib_get_qe(struct bnxt_qplib_hwq *hwq,
319 u32 indx, u64 *pg)
320{
321 u32 pg_num, pg_idx;
322
323 pg_num = (indx / hwq->qe_ppg);
324 pg_idx = (indx % hwq->qe_ppg);
325 if (pg)
326 *pg = (u64)&hwq->pbl_ptr[pg_num];
327 return (void *)(hwq->pbl_ptr[pg_num] + hwq->element_size * pg_idx);
328}
329
330static inline void *bnxt_qplib_get_prod_qe(struct bnxt_qplib_hwq *hwq, u32 idx)
331{
332 idx += hwq->prod;
333 if (idx >= hwq->depth)
334 idx -= hwq->depth;
335 return bnxt_qplib_get_qe(hwq, idx, NULL);
336}
337
338#define to_bnxt_qplib(ptr, type, member) \
339 container_of(ptr, type, member)
340
341struct bnxt_qplib_pd;
342struct bnxt_qplib_dev_attr;
343
344void bnxt_qplib_free_hwq(struct bnxt_qplib_res *res,
345 struct bnxt_qplib_hwq *hwq);
346int bnxt_qplib_alloc_init_hwq(struct bnxt_qplib_hwq *hwq,
347 struct bnxt_qplib_hwq_attr *hwq_attr);
348void bnxt_qplib_get_guid(u8 *dev_addr, u8 *guid);
349int bnxt_qplib_alloc_pd(struct bnxt_qplib_pd_tbl *pd_tbl,
350 struct bnxt_qplib_pd *pd);
351int bnxt_qplib_dealloc_pd(struct bnxt_qplib_res *res,
352 struct bnxt_qplib_pd_tbl *pd_tbl,
353 struct bnxt_qplib_pd *pd);
354int bnxt_qplib_alloc_dpi(struct bnxt_qplib_dpi_tbl *dpit,
355 struct bnxt_qplib_dpi *dpi,
356 void *app);
357int bnxt_qplib_dealloc_dpi(struct bnxt_qplib_res *res,
358 struct bnxt_qplib_dpi_tbl *dpi_tbl,
359 struct bnxt_qplib_dpi *dpi);
360void bnxt_qplib_cleanup_res(struct bnxt_qplib_res *res);
361int bnxt_qplib_init_res(struct bnxt_qplib_res *res);
362void bnxt_qplib_free_res(struct bnxt_qplib_res *res);
363int bnxt_qplib_alloc_res(struct bnxt_qplib_res *res, struct pci_dev *pdev,
364 struct net_device *netdev,
365 struct bnxt_qplib_dev_attr *dev_attr);
366void bnxt_qplib_free_ctx(struct bnxt_qplib_res *res,
367 struct bnxt_qplib_ctx *ctx);
368int bnxt_qplib_alloc_ctx(struct bnxt_qplib_res *res,
369 struct bnxt_qplib_ctx *ctx,
370 bool virt_fn, bool is_p5);
371int bnxt_qplib_determine_atomics(struct pci_dev *dev);
372
373static inline void bnxt_qplib_hwq_incr_prod(struct bnxt_qplib_hwq *hwq, u32 cnt)
374{
375 hwq->prod = (hwq->prod + cnt) % hwq->depth;
376}
377
378static inline void bnxt_qplib_hwq_incr_cons(struct bnxt_qplib_hwq *hwq,
379 u32 cnt)
380{
381 hwq->cons = (hwq->cons + cnt) % hwq->depth;
382}
383
384static inline void bnxt_qplib_ring_db32(struct bnxt_qplib_db_info *info,
385 bool arm)
386{
387 u32 key;
388
389 key = info->hwq->cons & (info->hwq->max_elements - 1);
390 key |= (CMPL_DOORBELL_IDX_VALID |
391 (CMPL_DOORBELL_KEY_CMPL & CMPL_DOORBELL_KEY_MASK));
392 if (!arm)
393 key |= CMPL_DOORBELL_MASK;
394 writel(key, info->db);
395}
396
397static inline void bnxt_qplib_ring_db(struct bnxt_qplib_db_info *info,
398 u32 type)
399{
400 u64 key = 0;
401
402 key = (info->xid & DBC_DBC_XID_MASK) | DBC_DBC_PATH_ROCE | type;
403 key <<= 32;
404 key |= (info->hwq->cons & (info->hwq->max_elements - 1)) &
405 DBC_DBC_INDEX_MASK;
406 writeq(key, info->db);
407}
408
409static inline void bnxt_qplib_ring_prod_db(struct bnxt_qplib_db_info *info,
410 u32 type)
411{
412 u64 key = 0;
413
414 key = (info->xid & DBC_DBC_XID_MASK) | DBC_DBC_PATH_ROCE | type;
415 key <<= 32;
416 key |= ((info->hwq->prod / info->max_slot)) & DBC_DBC_INDEX_MASK;
417 writeq(key, info->db);
418}
419
420static inline void bnxt_qplib_armen_db(struct bnxt_qplib_db_info *info,
421 u32 type)
422{
423 u64 key = 0;
424
425 key = (info->xid & DBC_DBC_XID_MASK) | DBC_DBC_PATH_ROCE | type;
426 key <<= 32;
427 writeq(key, info->priv_db);
428}
429
430static inline void bnxt_qplib_srq_arm_db(struct bnxt_qplib_db_info *info,
431 u32 th)
432{
433 u64 key = 0;
434
435 key = (info->xid & DBC_DBC_XID_MASK) | DBC_DBC_PATH_ROCE | th;
436 key <<= 32;
437 key |= th & DBC_DBC_INDEX_MASK;
438 writeq(key, info->priv_db);
439}
440
441static inline void bnxt_qplib_ring_nq_db(struct bnxt_qplib_db_info *info,
442 struct bnxt_qplib_chip_ctx *cctx,
443 bool arm)
444{
445 u32 type;
446
447 type = arm ? DBC_DBC_TYPE_NQ_ARM : DBC_DBC_TYPE_NQ;
448 if (bnxt_qplib_is_chip_gen_p5(cctx))
449 bnxt_qplib_ring_db(info, type);
450 else
451 bnxt_qplib_ring_db32(info, arm);
452}
453#endif
454
