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33#ifndef _HNS_ROCE_DEVICE_H
34#define _HNS_ROCE_DEVICE_H
35
36#include <rdma/ib_verbs.h>
37
38#define DRV_NAME "hns_roce"
39
40#define HNS_ROCE_HW_VER1 ('h' << 24 | 'i' << 16 | '0' << 8 | '6')
41
42#define MAC_ADDR_OCTET_NUM 6
43#define HNS_ROCE_MAX_MSG_LEN 0x80000000
44
45#define HNS_ROCE_ALOGN_UP(a, b) ((((a) + (b) - 1) / (b)) * (b))
46
47#define HNS_ROCE_IB_MIN_SQ_STRIDE 6
48
49#define HNS_ROCE_BA_SIZE (32 * 4096)
50
51
52#define HNS_ROCE_MIN_CQE_NUM 0x40
53#define HNS_ROCE_MIN_WQE_NUM 0x20
54
55
56#define HNS_ROCE_MAX_INNER_MTPT_NUM 0x7
57#define HNS_ROCE_MAX_MTPT_PBL_NUM 0x100000
58
59#define HNS_ROCE_EACH_FREE_CQ_WAIT_MSECS 20
60#define HNS_ROCE_MAX_FREE_CQ_WAIT_CNT \
61 (5000 / HNS_ROCE_EACH_FREE_CQ_WAIT_MSECS)
62#define HNS_ROCE_CQE_WCMD_EMPTY_BIT 0x2
63#define HNS_ROCE_MIN_CQE_CNT 16
64
65#define HNS_ROCE_MAX_IRQ_NUM 128
66
67#define EQ_ENABLE 1
68#define EQ_DISABLE 0
69
70#define HNS_ROCE_CEQ 0
71#define HNS_ROCE_AEQ 1
72
73#define HNS_ROCE_CEQ_ENTRY_SIZE 0x4
74#define HNS_ROCE_AEQ_ENTRY_SIZE 0x10
75
76
77#define HNS_ROCE_SL_SHIFT 28
78#define HNS_ROCE_TCLASS_SHIFT 20
79#define HNS_ROCE_FLOW_LABLE_MASK 0xfffff
80
81#define HNS_ROCE_MAX_PORTS 6
82#define HNS_ROCE_MAX_GID_NUM 16
83#define HNS_ROCE_GID_SIZE 16
84
85#define HNS_ROCE_HOP_NUM_0 0xff
86
87#define BITMAP_NO_RR 0
88#define BITMAP_RR 1
89
90#define MR_TYPE_MR 0x00
91#define MR_TYPE_DMA 0x03
92
93#define PKEY_ID 0xffff
94#define GUID_LEN 8
95#define NODE_DESC_SIZE 64
96#define DB_REG_OFFSET 0x1000
97
98#define SERV_TYPE_RC 0
99#define SERV_TYPE_RD 1
100#define SERV_TYPE_UC 2
101#define SERV_TYPE_UD 3
102
103#define PAGES_SHIFT_8 8
104#define PAGES_SHIFT_16 16
105#define PAGES_SHIFT_24 24
106#define PAGES_SHIFT_32 32
107
108enum hns_roce_qp_state {
109 HNS_ROCE_QP_STATE_RST,
110 HNS_ROCE_QP_STATE_INIT,
111 HNS_ROCE_QP_STATE_RTR,
112 HNS_ROCE_QP_STATE_RTS,
113 HNS_ROCE_QP_STATE_SQD,
114 HNS_ROCE_QP_STATE_ERR,
115 HNS_ROCE_QP_NUM_STATE,
116};
117
118enum hns_roce_event {
119 HNS_ROCE_EVENT_TYPE_PATH_MIG = 0x01,
120 HNS_ROCE_EVENT_TYPE_PATH_MIG_FAILED = 0x02,
121 HNS_ROCE_EVENT_TYPE_COMM_EST = 0x03,
122 HNS_ROCE_EVENT_TYPE_SQ_DRAINED = 0x04,
123 HNS_ROCE_EVENT_TYPE_WQ_CATAS_ERROR = 0x05,
124 HNS_ROCE_EVENT_TYPE_INV_REQ_LOCAL_WQ_ERROR = 0x06,
125 HNS_ROCE_EVENT_TYPE_LOCAL_WQ_ACCESS_ERROR = 0x07,
126 HNS_ROCE_EVENT_TYPE_SRQ_LIMIT_REACH = 0x08,
127 HNS_ROCE_EVENT_TYPE_SRQ_LAST_WQE_REACH = 0x09,
128 HNS_ROCE_EVENT_TYPE_SRQ_CATAS_ERROR = 0x0a,
129 HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR = 0x0b,
130 HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW = 0x0c,
131 HNS_ROCE_EVENT_TYPE_CQ_ID_INVALID = 0x0d,
132 HNS_ROCE_EVENT_TYPE_PORT_CHANGE = 0x0f,
133
134 HNS_ROCE_EVENT_TYPE_DB_OVERFLOW = 0x12,
135 HNS_ROCE_EVENT_TYPE_MB = 0x13,
136 HNS_ROCE_EVENT_TYPE_CEQ_OVERFLOW = 0x14,
137 HNS_ROCE_EVENT_TYPE_FLR = 0x15,
138};
139
140
141enum {
142 HNS_ROCE_LWQCE_QPC_ERROR = 1,
143 HNS_ROCE_LWQCE_MTU_ERROR = 2,
144 HNS_ROCE_LWQCE_WQE_BA_ADDR_ERROR = 3,
145 HNS_ROCE_LWQCE_WQE_ADDR_ERROR = 4,
146 HNS_ROCE_LWQCE_SQ_WQE_SHIFT_ERROR = 5,
147 HNS_ROCE_LWQCE_SL_ERROR = 6,
148 HNS_ROCE_LWQCE_PORT_ERROR = 7,
149};
150
151
152enum {
153 HNS_ROCE_LAVWQE_R_KEY_VIOLATION = 1,
154 HNS_ROCE_LAVWQE_LENGTH_ERROR = 2,
155 HNS_ROCE_LAVWQE_VA_ERROR = 3,
156 HNS_ROCE_LAVWQE_PD_ERROR = 4,
157 HNS_ROCE_LAVWQE_RW_ACC_ERROR = 5,
158 HNS_ROCE_LAVWQE_KEY_STATE_ERROR = 6,
159 HNS_ROCE_LAVWQE_MR_OPERATION_ERROR = 7,
160};
161
162
163enum {
164 HNS_ROCE_DB_SUBTYPE_SDB_OVF = 1,
165 HNS_ROCE_DB_SUBTYPE_SDB_ALM_OVF = 2,
166 HNS_ROCE_DB_SUBTYPE_ODB_OVF = 3,
167 HNS_ROCE_DB_SUBTYPE_ODB_ALM_OVF = 4,
168 HNS_ROCE_DB_SUBTYPE_SDB_ALM_EMP = 5,
169 HNS_ROCE_DB_SUBTYPE_ODB_ALM_EMP = 6,
170};
171
172enum {
173
174 HNS_ROCE_OPCODE_SEND_DATA_RECEIVE = 0x06,
175 HNS_ROCE_OPCODE_RDMA_WITH_IMM_RECEIVE = 0x07,
176};
177
178enum {
179 HNS_ROCE_CAP_FLAG_REREG_MR = BIT(0),
180 HNS_ROCE_CAP_FLAG_ROCE_V1_V2 = BIT(1),
181 HNS_ROCE_CAP_FLAG_RQ_INLINE = BIT(2)
182};
183
184enum hns_roce_mtt_type {
185 MTT_TYPE_WQE,
186 MTT_TYPE_CQE,
187};
188
189#define HNS_ROCE_CMD_SUCCESS 1
190
191#define HNS_ROCE_PORT_DOWN 0
192#define HNS_ROCE_PORT_UP 1
193
194#define HNS_ROCE_MTT_ENTRY_PER_SEG 8
195
196#define PAGE_ADDR_SHIFT 12
197
198struct hns_roce_uar {
199 u64 pfn;
200 unsigned long index;
201};
202
203struct hns_roce_ucontext {
204 struct ib_ucontext ibucontext;
205 struct hns_roce_uar uar;
206};
207
208struct hns_roce_pd {
209 struct ib_pd ibpd;
210 unsigned long pdn;
211};
212
213struct hns_roce_bitmap {
214
215 unsigned long last;
216 unsigned long top;
217 unsigned long max;
218 unsigned long reserved_top;
219 unsigned long mask;
220 spinlock_t lock;
221 unsigned long *table;
222};
223
224
225
226
227
228
229
230
231struct hns_roce_buddy {
232
233 unsigned long **bits;
234
235 u32 *num_free;
236 int max_order;
237 spinlock_t lock;
238};
239
240
241struct hns_roce_hem_table {
242
243 u32 type;
244
245 unsigned long num_hem;
246
247 unsigned long num_obj;
248
249 unsigned long obj_size;
250 unsigned long table_chunk_size;
251 int lowmem;
252 struct mutex mutex;
253 struct hns_roce_hem **hem;
254 u64 **bt_l1;
255 dma_addr_t *bt_l1_dma_addr;
256 u64 **bt_l0;
257 dma_addr_t *bt_l0_dma_addr;
258};
259
260struct hns_roce_mtt {
261 unsigned long first_seg;
262 int order;
263 int page_shift;
264 enum hns_roce_mtt_type mtt_type;
265};
266
267
268#define MR_SIZE_4K 0
269
270struct hns_roce_mr {
271 struct ib_mr ibmr;
272 struct ib_umem *umem;
273 u64 iova;
274 u64 size;
275 u32 key;
276 u32 pd;
277 u32 access;
278 int enabled;
279 int type;
280 u64 *pbl_buf;
281 dma_addr_t pbl_dma_addr;
282 u32 pbl_size;
283 u64 pbl_ba;
284 u32 l0_chunk_last_num;
285 u32 l1_chunk_last_num;
286 u64 **pbl_bt_l2;
287 u64 **pbl_bt_l1;
288 u64 *pbl_bt_l0;
289 dma_addr_t *pbl_l2_dma_addr;
290 dma_addr_t *pbl_l1_dma_addr;
291 dma_addr_t pbl_l0_dma_addr;
292 u32 pbl_ba_pg_sz;
293 u32 pbl_buf_pg_sz;
294 u32 pbl_hop_num;
295};
296
297struct hns_roce_mr_table {
298 struct hns_roce_bitmap mtpt_bitmap;
299 struct hns_roce_buddy mtt_buddy;
300 struct hns_roce_hem_table mtt_table;
301 struct hns_roce_hem_table mtpt_table;
302 struct hns_roce_buddy mtt_cqe_buddy;
303 struct hns_roce_hem_table mtt_cqe_table;
304};
305
306struct hns_roce_wq {
307 u64 *wrid;
308 spinlock_t lock;
309 int wqe_cnt;
310 u32 max_post;
311 int max_gs;
312 int offset;
313 int wqe_shift;
314 u32 head;
315 u32 tail;
316 void __iomem *db_reg_l;
317};
318
319struct hns_roce_sge {
320 int sge_cnt;
321 int offset;
322 int sge_shift;
323};
324
325struct hns_roce_buf_list {
326 void *buf;
327 dma_addr_t map;
328};
329
330struct hns_roce_buf {
331 struct hns_roce_buf_list direct;
332 struct hns_roce_buf_list *page_list;
333 int nbufs;
334 u32 npages;
335 int page_shift;
336};
337
338struct hns_roce_cq_buf {
339 struct hns_roce_buf hr_buf;
340 struct hns_roce_mtt hr_mtt;
341};
342
343struct hns_roce_cq {
344 struct ib_cq ib_cq;
345 struct hns_roce_cq_buf hr_buf;
346 spinlock_t lock;
347 struct ib_umem *umem;
348 void (*comp)(struct hns_roce_cq *cq);
349 void (*event)(struct hns_roce_cq *cq, enum hns_roce_event event_type);
350
351 struct hns_roce_uar *uar;
352 u32 cq_depth;
353 u32 cons_index;
354 void __iomem *cq_db_l;
355 u16 *tptr_addr;
356 int arm_sn;
357 unsigned long cqn;
358 u32 vector;
359 atomic_t refcount;
360 struct completion free;
361};
362
363struct hns_roce_srq {
364 struct ib_srq ibsrq;
365 int srqn;
366};
367
368struct hns_roce_uar_table {
369 struct hns_roce_bitmap bitmap;
370};
371
372struct hns_roce_qp_table {
373 struct hns_roce_bitmap bitmap;
374 spinlock_t lock;
375 struct hns_roce_hem_table qp_table;
376 struct hns_roce_hem_table irrl_table;
377 struct hns_roce_hem_table trrl_table;
378};
379
380struct hns_roce_cq_table {
381 struct hns_roce_bitmap bitmap;
382 spinlock_t lock;
383 struct radix_tree_root tree;
384 struct hns_roce_hem_table table;
385};
386
387struct hns_roce_raq_table {
388 struct hns_roce_buf_list *e_raq_buf;
389};
390
391struct hns_roce_av {
392 __le32 port_pd;
393 u8 gid_index;
394 u8 stat_rate;
395 u8 hop_limit;
396 __le32 sl_tclass_flowlabel;
397 u8 dgid[HNS_ROCE_GID_SIZE];
398 u8 mac[6];
399 __le16 vlan;
400};
401
402struct hns_roce_ah {
403 struct ib_ah ibah;
404 struct hns_roce_av av;
405};
406
407struct hns_roce_cmd_context {
408 struct completion done;
409 int result;
410 int next;
411 u64 out_param;
412 u16 token;
413};
414
415struct hns_roce_cmdq {
416 struct dma_pool *pool;
417 struct mutex hcr_mutex;
418 struct semaphore poll_sem;
419
420
421
422
423 struct semaphore event_sem;
424 int max_cmds;
425 spinlock_t context_lock;
426 int free_head;
427 struct hns_roce_cmd_context *context;
428
429
430
431
432 u16 token_mask;
433
434
435
436
437
438
439 u8 use_events;
440 u8 toggle;
441};
442
443struct hns_roce_cmd_mailbox {
444 void *buf;
445 dma_addr_t dma;
446};
447
448struct hns_roce_dev;
449
450struct hns_roce_rinl_sge {
451 void *addr;
452 u32 len;
453};
454
455struct hns_roce_rinl_wqe {
456 struct hns_roce_rinl_sge *sg_list;
457 u32 sge_cnt;
458};
459
460struct hns_roce_rinl_buf {
461 struct hns_roce_rinl_wqe *wqe_list;
462 u32 wqe_cnt;
463};
464
465struct hns_roce_qp {
466 struct ib_qp ibqp;
467 struct hns_roce_buf hr_buf;
468 struct hns_roce_wq rq;
469 u32 doorbell_qpn;
470 __le32 sq_signal_bits;
471 u32 sq_next_wqe;
472 int sq_max_wqes_per_wr;
473 int sq_spare_wqes;
474 struct hns_roce_wq sq;
475
476 struct ib_umem *umem;
477 struct hns_roce_mtt mtt;
478 u32 buff_size;
479 struct mutex mutex;
480 u8 port;
481 u8 phy_port;
482 u8 sl;
483 u8 resp_depth;
484 u8 state;
485 u32 access_flags;
486 u32 atomic_rd_en;
487 u32 pkey_index;
488 u32 qkey;
489 void (*event)(struct hns_roce_qp *qp,
490 enum hns_roce_event event_type);
491 unsigned long qpn;
492
493 atomic_t refcount;
494 struct completion free;
495
496 struct hns_roce_sge sge;
497 u32 next_sge;
498
499 struct hns_roce_rinl_buf rq_inl_buf;
500};
501
502struct hns_roce_sqp {
503 struct hns_roce_qp hr_qp;
504};
505
506struct hns_roce_ib_iboe {
507 spinlock_t lock;
508 struct net_device *netdevs[HNS_ROCE_MAX_PORTS];
509 struct notifier_block nb;
510 u8 phy_port[HNS_ROCE_MAX_PORTS];
511};
512
513enum {
514 HNS_ROCE_EQ_STAT_INVALID = 0,
515 HNS_ROCE_EQ_STAT_VALID = 2,
516};
517
518struct hns_roce_ceqe {
519 u32 comp;
520};
521
522struct hns_roce_aeqe {
523 u32 asyn;
524 union {
525 struct {
526 u32 qp;
527 u32 rsv0;
528 u32 rsv1;
529 } qp_event;
530
531 struct {
532 u32 cq;
533 u32 rsv0;
534 u32 rsv1;
535 } cq_event;
536
537 struct {
538 u32 ceqe;
539 u32 rsv0;
540 u32 rsv1;
541 } ce_event;
542
543 struct {
544 __le64 out_param;
545 __le16 token;
546 u8 status;
547 u8 rsv0;
548 } __packed cmd;
549 } event;
550};
551
552struct hns_roce_eq {
553 struct hns_roce_dev *hr_dev;
554 void __iomem *doorbell;
555
556 int type_flag;
557 int eqn;
558 u32 entries;
559 int log_entries;
560 int eqe_size;
561 int irq;
562 int log_page_size;
563 int cons_index;
564 struct hns_roce_buf_list *buf_list;
565 int over_ignore;
566 int coalesce;
567 int arm_st;
568 u64 eqe_ba;
569 int eqe_ba_pg_sz;
570 int eqe_buf_pg_sz;
571 int hop_num;
572 u64 *bt_l0;
573 u64 **bt_l1;
574 u64 **buf;
575 dma_addr_t l0_dma;
576 dma_addr_t *l1_dma;
577 dma_addr_t *buf_dma;
578 u32 l0_last_num;
579 u32 l1_last_num;
580 int eq_max_cnt;
581 int eq_period;
582 int shift;
583 dma_addr_t cur_eqe_ba;
584 dma_addr_t nxt_eqe_ba;
585};
586
587struct hns_roce_eq_table {
588 struct hns_roce_eq *eq;
589 void __iomem **eqc_base;
590};
591
592struct hns_roce_caps {
593 u8 num_ports;
594 int gid_table_len[HNS_ROCE_MAX_PORTS];
595 int pkey_table_len[HNS_ROCE_MAX_PORTS];
596 int local_ca_ack_delay;
597 int num_uars;
598 u32 phy_num_uars;
599 u32 max_sq_sg;
600 u32 max_sq_inline;
601 u32 max_rq_sg;
602 int num_qps;
603 u32 max_wqes;
604 u32 max_sq_desc_sz;
605 u32 max_rq_desc_sz;
606 u32 max_srq_desc_sz;
607 int max_qp_init_rdma;
608 int max_qp_dest_rdma;
609 int num_cqs;
610 int max_cqes;
611 int min_cqes;
612 u32 min_wqes;
613 int reserved_cqs;
614 int num_aeq_vectors;
615 int num_comp_vectors;
616 int num_other_vectors;
617 int num_mtpts;
618 u32 num_mtt_segs;
619 u32 num_cqe_segs;
620 int reserved_mrws;
621 int reserved_uars;
622 int num_pds;
623 int reserved_pds;
624 u32 mtt_entry_sz;
625 u32 cq_entry_sz;
626 u32 page_size_cap;
627 u32 reserved_lkey;
628 int mtpt_entry_sz;
629 int qpc_entry_sz;
630 int irrl_entry_sz;
631 int trrl_entry_sz;
632 int cqc_entry_sz;
633 u32 pbl_ba_pg_sz;
634 u32 pbl_buf_pg_sz;
635 u32 pbl_hop_num;
636 int aeqe_depth;
637 int ceqe_depth;
638 enum ib_mtu max_mtu;
639 u32 qpc_bt_num;
640 u32 srqc_bt_num;
641 u32 cqc_bt_num;
642 u32 mpt_bt_num;
643 u32 qpc_ba_pg_sz;
644 u32 qpc_buf_pg_sz;
645 u32 qpc_hop_num;
646 u32 srqc_ba_pg_sz;
647 u32 srqc_buf_pg_sz;
648 u32 srqc_hop_num;
649 u32 cqc_ba_pg_sz;
650 u32 cqc_buf_pg_sz;
651 u32 cqc_hop_num;
652 u32 mpt_ba_pg_sz;
653 u32 mpt_buf_pg_sz;
654 u32 mpt_hop_num;
655 u32 mtt_ba_pg_sz;
656 u32 mtt_buf_pg_sz;
657 u32 mtt_hop_num;
658 u32 cqe_ba_pg_sz;
659 u32 cqe_buf_pg_sz;
660 u32 cqe_hop_num;
661 u32 eqe_ba_pg_sz;
662 u32 eqe_buf_pg_sz;
663 u32 eqe_hop_num;
664 u32 chunk_sz;
665 u64 flags;
666};
667
668struct hns_roce_hw {
669 int (*reset)(struct hns_roce_dev *hr_dev, bool enable);
670 int (*cmq_init)(struct hns_roce_dev *hr_dev);
671 void (*cmq_exit)(struct hns_roce_dev *hr_dev);
672 int (*hw_profile)(struct hns_roce_dev *hr_dev);
673 int (*hw_init)(struct hns_roce_dev *hr_dev);
674 void (*hw_exit)(struct hns_roce_dev *hr_dev);
675 int (*post_mbox)(struct hns_roce_dev *hr_dev, u64 in_param,
676 u64 out_param, u32 in_modifier, u8 op_modifier, u16 op,
677 u16 token, int event);
678 int (*chk_mbox)(struct hns_roce_dev *hr_dev, unsigned long timeout);
679 int (*set_gid)(struct hns_roce_dev *hr_dev, u8 port, int gid_index,
680 union ib_gid *gid, const struct ib_gid_attr *attr);
681 int (*set_mac)(struct hns_roce_dev *hr_dev, u8 phy_port, u8 *addr);
682 void (*set_mtu)(struct hns_roce_dev *hr_dev, u8 phy_port,
683 enum ib_mtu mtu);
684 int (*write_mtpt)(void *mb_buf, struct hns_roce_mr *mr,
685 unsigned long mtpt_idx);
686 int (*rereg_write_mtpt)(struct hns_roce_dev *hr_dev,
687 struct hns_roce_mr *mr, int flags, u32 pdn,
688 int mr_access_flags, u64 iova, u64 size,
689 void *mb_buf);
690 void (*write_cqc)(struct hns_roce_dev *hr_dev,
691 struct hns_roce_cq *hr_cq, void *mb_buf, u64 *mtts,
692 dma_addr_t dma_handle, int nent, u32 vector);
693 int (*set_hem)(struct hns_roce_dev *hr_dev,
694 struct hns_roce_hem_table *table, int obj, int step_idx);
695 int (*clear_hem)(struct hns_roce_dev *hr_dev,
696 struct hns_roce_hem_table *table, int obj,
697 int step_idx);
698 int (*query_qp)(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
699 int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
700 int (*modify_qp)(struct ib_qp *ibqp, const struct ib_qp_attr *attr,
701 int attr_mask, enum ib_qp_state cur_state,
702 enum ib_qp_state new_state);
703 int (*destroy_qp)(struct ib_qp *ibqp);
704 int (*post_send)(struct ib_qp *ibqp, struct ib_send_wr *wr,
705 struct ib_send_wr **bad_wr);
706 int (*post_recv)(struct ib_qp *qp, struct ib_recv_wr *recv_wr,
707 struct ib_recv_wr **bad_recv_wr);
708 int (*req_notify_cq)(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
709 int (*poll_cq)(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
710 int (*dereg_mr)(struct hns_roce_dev *hr_dev, struct hns_roce_mr *mr);
711 int (*destroy_cq)(struct ib_cq *ibcq);
712 int (*modify_cq)(struct ib_cq *cq, u16 cq_count, u16 cq_period);
713 int (*init_eq)(struct hns_roce_dev *hr_dev);
714 void (*cleanup_eq)(struct hns_roce_dev *hr_dev);
715};
716
717struct hns_roce_dev {
718 struct ib_device ib_dev;
719 struct platform_device *pdev;
720 struct pci_dev *pci_dev;
721 struct device *dev;
722 struct hns_roce_uar priv_uar;
723 const char *irq_names[HNS_ROCE_MAX_IRQ_NUM];
724 spinlock_t sm_lock;
725 spinlock_t bt_cmd_lock;
726 struct hns_roce_ib_iboe iboe;
727
728 int irq[HNS_ROCE_MAX_IRQ_NUM];
729 u8 __iomem *reg_base;
730 struct hns_roce_caps caps;
731 struct radix_tree_root qp_table_tree;
732
733 unsigned char dev_addr[HNS_ROCE_MAX_PORTS][MAC_ADDR_OCTET_NUM];
734 u64 sys_image_guid;
735 u32 vendor_id;
736 u32 vendor_part_id;
737 u32 hw_rev;
738 void __iomem *priv_addr;
739
740 struct hns_roce_cmdq cmd;
741 struct hns_roce_bitmap pd_bitmap;
742 struct hns_roce_uar_table uar_table;
743 struct hns_roce_mr_table mr_table;
744 struct hns_roce_cq_table cq_table;
745 struct hns_roce_qp_table qp_table;
746 struct hns_roce_eq_table eq_table;
747
748 int cmd_mod;
749 int loop_idc;
750 u32 sdb_offset;
751 u32 odb_offset;
752 dma_addr_t tptr_dma_addr;
753 u32 tptr_size;
754 const struct hns_roce_hw *hw;
755 void *priv;
756};
757
758static inline struct hns_roce_dev *to_hr_dev(struct ib_device *ib_dev)
759{
760 return container_of(ib_dev, struct hns_roce_dev, ib_dev);
761}
762
763static inline struct hns_roce_ucontext
764 *to_hr_ucontext(struct ib_ucontext *ibucontext)
765{
766 return container_of(ibucontext, struct hns_roce_ucontext, ibucontext);
767}
768
769static inline struct hns_roce_pd *to_hr_pd(struct ib_pd *ibpd)
770{
771 return container_of(ibpd, struct hns_roce_pd, ibpd);
772}
773
774static inline struct hns_roce_ah *to_hr_ah(struct ib_ah *ibah)
775{
776 return container_of(ibah, struct hns_roce_ah, ibah);
777}
778
779static inline struct hns_roce_mr *to_hr_mr(struct ib_mr *ibmr)
780{
781 return container_of(ibmr, struct hns_roce_mr, ibmr);
782}
783
784static inline struct hns_roce_qp *to_hr_qp(struct ib_qp *ibqp)
785{
786 return container_of(ibqp, struct hns_roce_qp, ibqp);
787}
788
789static inline struct hns_roce_cq *to_hr_cq(struct ib_cq *ib_cq)
790{
791 return container_of(ib_cq, struct hns_roce_cq, ib_cq);
792}
793
794static inline struct hns_roce_srq *to_hr_srq(struct ib_srq *ibsrq)
795{
796 return container_of(ibsrq, struct hns_roce_srq, ibsrq);
797}
798
799static inline struct hns_roce_sqp *hr_to_hr_sqp(struct hns_roce_qp *hr_qp)
800{
801 return container_of(hr_qp, struct hns_roce_sqp, hr_qp);
802}
803
804static inline void hns_roce_write64_k(__be32 val[2], void __iomem *dest)
805{
806 __raw_writeq(*(u64 *) val, dest);
807}
808
809static inline struct hns_roce_qp
810 *__hns_roce_qp_lookup(struct hns_roce_dev *hr_dev, u32 qpn)
811{
812 return radix_tree_lookup(&hr_dev->qp_table_tree,
813 qpn & (hr_dev->caps.num_qps - 1));
814}
815
816static inline void *hns_roce_buf_offset(struct hns_roce_buf *buf, int offset)
817{
818 u32 page_size = 1 << buf->page_shift;
819
820 if (buf->nbufs == 1)
821 return (char *)(buf->direct.buf) + offset;
822 else
823 return (char *)(buf->page_list[offset >> buf->page_shift].buf) +
824 (offset & (page_size - 1));
825}
826
827int hns_roce_init_uar_table(struct hns_roce_dev *dev);
828int hns_roce_uar_alloc(struct hns_roce_dev *dev, struct hns_roce_uar *uar);
829void hns_roce_uar_free(struct hns_roce_dev *dev, struct hns_roce_uar *uar);
830void hns_roce_cleanup_uar_table(struct hns_roce_dev *dev);
831
832int hns_roce_cmd_init(struct hns_roce_dev *hr_dev);
833void hns_roce_cmd_cleanup(struct hns_roce_dev *hr_dev);
834void hns_roce_cmd_event(struct hns_roce_dev *hr_dev, u16 token, u8 status,
835 u64 out_param);
836int hns_roce_cmd_use_events(struct hns_roce_dev *hr_dev);
837void hns_roce_cmd_use_polling(struct hns_roce_dev *hr_dev);
838
839int hns_roce_mtt_init(struct hns_roce_dev *hr_dev, int npages, int page_shift,
840 struct hns_roce_mtt *mtt);
841void hns_roce_mtt_cleanup(struct hns_roce_dev *hr_dev,
842 struct hns_roce_mtt *mtt);
843int hns_roce_buf_write_mtt(struct hns_roce_dev *hr_dev,
844 struct hns_roce_mtt *mtt, struct hns_roce_buf *buf);
845
846int hns_roce_init_pd_table(struct hns_roce_dev *hr_dev);
847int hns_roce_init_mr_table(struct hns_roce_dev *hr_dev);
848int hns_roce_init_eq_table(struct hns_roce_dev *hr_dev);
849int hns_roce_init_cq_table(struct hns_roce_dev *hr_dev);
850int hns_roce_init_qp_table(struct hns_roce_dev *hr_dev);
851
852void hns_roce_cleanup_pd_table(struct hns_roce_dev *hr_dev);
853void hns_roce_cleanup_mr_table(struct hns_roce_dev *hr_dev);
854void hns_roce_cleanup_eq_table(struct hns_roce_dev *hr_dev);
855void hns_roce_cleanup_cq_table(struct hns_roce_dev *hr_dev);
856void hns_roce_cleanup_qp_table(struct hns_roce_dev *hr_dev);
857
858int hns_roce_bitmap_alloc(struct hns_roce_bitmap *bitmap, unsigned long *obj);
859void hns_roce_bitmap_free(struct hns_roce_bitmap *bitmap, unsigned long obj,
860 int rr);
861int hns_roce_bitmap_init(struct hns_roce_bitmap *bitmap, u32 num, u32 mask,
862 u32 reserved_bot, u32 resetrved_top);
863void hns_roce_bitmap_cleanup(struct hns_roce_bitmap *bitmap);
864void hns_roce_cleanup_bitmap(struct hns_roce_dev *hr_dev);
865int hns_roce_bitmap_alloc_range(struct hns_roce_bitmap *bitmap, int cnt,
866 int align, unsigned long *obj);
867void hns_roce_bitmap_free_range(struct hns_roce_bitmap *bitmap,
868 unsigned long obj, int cnt,
869 int rr);
870
871struct ib_ah *hns_roce_create_ah(struct ib_pd *pd,
872 struct rdma_ah_attr *ah_attr,
873 struct ib_udata *udata);
874int hns_roce_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
875int hns_roce_destroy_ah(struct ib_ah *ah);
876
877struct ib_pd *hns_roce_alloc_pd(struct ib_device *ib_dev,
878 struct ib_ucontext *context,
879 struct ib_udata *udata);
880int hns_roce_dealloc_pd(struct ib_pd *pd);
881
882struct ib_mr *hns_roce_get_dma_mr(struct ib_pd *pd, int acc);
883struct ib_mr *hns_roce_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
884 u64 virt_addr, int access_flags,
885 struct ib_udata *udata);
886int hns_roce_rereg_user_mr(struct ib_mr *mr, int flags, u64 start, u64 length,
887 u64 virt_addr, int mr_access_flags, struct ib_pd *pd,
888 struct ib_udata *udata);
889int hns_roce_dereg_mr(struct ib_mr *ibmr);
890int hns_roce_hw2sw_mpt(struct hns_roce_dev *hr_dev,
891 struct hns_roce_cmd_mailbox *mailbox,
892 unsigned long mpt_index);
893unsigned long key_to_hw_index(u32 key);
894
895void hns_roce_buf_free(struct hns_roce_dev *hr_dev, u32 size,
896 struct hns_roce_buf *buf);
897int hns_roce_buf_alloc(struct hns_roce_dev *hr_dev, u32 size, u32 max_direct,
898 struct hns_roce_buf *buf, u32 page_shift);
899
900int hns_roce_ib_umem_write_mtt(struct hns_roce_dev *hr_dev,
901 struct hns_roce_mtt *mtt, struct ib_umem *umem);
902
903struct ib_qp *hns_roce_create_qp(struct ib_pd *ib_pd,
904 struct ib_qp_init_attr *init_attr,
905 struct ib_udata *udata);
906int hns_roce_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
907 int attr_mask, struct ib_udata *udata);
908void *get_recv_wqe(struct hns_roce_qp *hr_qp, int n);
909void *get_send_wqe(struct hns_roce_qp *hr_qp, int n);
910void *get_send_extend_sge(struct hns_roce_qp *hr_qp, int n);
911bool hns_roce_wq_overflow(struct hns_roce_wq *hr_wq, int nreq,
912 struct ib_cq *ib_cq);
913enum hns_roce_qp_state to_hns_roce_state(enum ib_qp_state state);
914void hns_roce_lock_cqs(struct hns_roce_cq *send_cq,
915 struct hns_roce_cq *recv_cq);
916void hns_roce_unlock_cqs(struct hns_roce_cq *send_cq,
917 struct hns_roce_cq *recv_cq);
918void hns_roce_qp_remove(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp);
919void hns_roce_qp_free(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp);
920void hns_roce_release_range_qp(struct hns_roce_dev *hr_dev, int base_qpn,
921 int cnt);
922__be32 send_ieth(struct ib_send_wr *wr);
923int to_hr_qp_type(int qp_type);
924
925struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev,
926 const struct ib_cq_init_attr *attr,
927 struct ib_ucontext *context,
928 struct ib_udata *udata);
929
930int hns_roce_ib_destroy_cq(struct ib_cq *ib_cq);
931void hns_roce_free_cq(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq);
932
933void hns_roce_cq_completion(struct hns_roce_dev *hr_dev, u32 cqn);
934void hns_roce_cq_event(struct hns_roce_dev *hr_dev, u32 cqn, int event_type);
935void hns_roce_qp_event(struct hns_roce_dev *hr_dev, u32 qpn, int event_type);
936int hns_get_gid_index(struct hns_roce_dev *hr_dev, u8 port, int gid_index);
937int hns_roce_init(struct hns_roce_dev *hr_dev);
938void hns_roce_exit(struct hns_roce_dev *hr_dev);
939
940#endif
941