2 * Copyright (c) 2016 Hisilicon Limited.
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
33 #ifndef _HNS_ROCE_DEVICE_H
34 #define _HNS_ROCE_DEVICE_H
36 #include <rdma/ib_verbs.h>
38 #define DRV_NAME "hns_roce"
40 /* hip08 is a pci device */
41 #define PCI_REVISION_ID_HIP08 0x21
43 #define HNS_ROCE_HW_VER1 ('h' << 24 | 'i' << 16 | '0' << 8 | '6')
45 #define HNS_ROCE_MAX_MSG_LEN 0x80000000
47 #define HNS_ROCE_IB_MIN_SQ_STRIDE 6
49 #define HNS_ROCE_BA_SIZE (32 * 4096)
53 /* Hardware specification only for v1 engine */
54 #define HNS_ROCE_MIN_CQE_NUM 0x40
55 #define HNS_ROCE_MIN_WQE_NUM 0x20
57 /* Hardware specification only for v1 engine */
58 #define HNS_ROCE_MAX_INNER_MTPT_NUM 0x7
59 #define HNS_ROCE_MAX_MTPT_PBL_NUM 0x100000
60 #define HNS_ROCE_MAX_SGE_NUM 2
62 #define HNS_ROCE_EACH_FREE_CQ_WAIT_MSECS 20
63 #define HNS_ROCE_MAX_FREE_CQ_WAIT_CNT \
64 (5000 / HNS_ROCE_EACH_FREE_CQ_WAIT_MSECS)
65 #define HNS_ROCE_CQE_WCMD_EMPTY_BIT 0x2
66 #define HNS_ROCE_MIN_CQE_CNT 16
68 #define HNS_ROCE_RESERVED_SGE 1
70 #define HNS_ROCE_MAX_IRQ_NUM 128
72 #define HNS_ROCE_SGE_IN_WQE 2
73 #define HNS_ROCE_SGE_SHIFT 4
78 #define HNS_ROCE_CEQ 0
79 #define HNS_ROCE_AEQ 1
81 #define HNS_ROCE_CEQ_ENTRY_SIZE 0x4
82 #define HNS_ROCE_AEQ_ENTRY_SIZE 0x10
84 #define HNS_ROCE_SL_SHIFT 28
85 #define HNS_ROCE_TCLASS_SHIFT 20
86 #define HNS_ROCE_FLOW_LABEL_MASK 0xfffff
88 #define HNS_ROCE_MAX_PORTS 6
89 #define HNS_ROCE_MAX_GID_NUM 16
90 #define HNS_ROCE_GID_SIZE 16
91 #define HNS_ROCE_SGE_SIZE 16
93 #define HNS_ROCE_HOP_NUM_0 0xff
95 #define BITMAP_NO_RR 0
98 #define MR_TYPE_MR 0x00
99 #define MR_TYPE_FRMR 0x01
100 #define MR_TYPE_DMA 0x03
102 #define HNS_ROCE_FRMR_MAX_PA 512
104 #define PKEY_ID 0xffff
106 #define NODE_DESC_SIZE 64
107 #define DB_REG_OFFSET 0x1000
109 /* Configure to HW for PAGE_SIZE larger than 4KB */
110 #define PG_SHIFT_OFFSET (PAGE_SHIFT - 12)
112 #define PAGES_SHIFT_8 8
113 #define PAGES_SHIFT_16 16
114 #define PAGES_SHIFT_24 24
115 #define PAGES_SHIFT_32 32
117 #define HNS_ROCE_PCI_BAR_NUM 2
119 #define HNS_ROCE_IDX_QUE_ENTRY_SZ 4
120 #define SRQ_DB_REG 0x230
122 /* The chip implementation of the consumer index is calculated
123 * according to twice the actual EQ depth
125 #define EQ_DEPTH_COEFF 2
135 HNS_ROCE_QP_CAP_RQ_RECORD_DB = BIT(0),
136 HNS_ROCE_QP_CAP_SQ_RECORD_DB = BIT(1),
139 enum hns_roce_cq_flags {
140 HNS_ROCE_CQ_FLAG_RECORD_DB = BIT(0),
143 enum hns_roce_qp_state {
144 HNS_ROCE_QP_STATE_RST,
145 HNS_ROCE_QP_STATE_INIT,
146 HNS_ROCE_QP_STATE_RTR,
147 HNS_ROCE_QP_STATE_RTS,
148 HNS_ROCE_QP_STATE_SQD,
149 HNS_ROCE_QP_STATE_ERR,
150 HNS_ROCE_QP_NUM_STATE,
153 enum hns_roce_event {
154 HNS_ROCE_EVENT_TYPE_PATH_MIG = 0x01,
155 HNS_ROCE_EVENT_TYPE_PATH_MIG_FAILED = 0x02,
156 HNS_ROCE_EVENT_TYPE_COMM_EST = 0x03,
157 HNS_ROCE_EVENT_TYPE_SQ_DRAINED = 0x04,
158 HNS_ROCE_EVENT_TYPE_WQ_CATAS_ERROR = 0x05,
159 HNS_ROCE_EVENT_TYPE_INV_REQ_LOCAL_WQ_ERROR = 0x06,
160 HNS_ROCE_EVENT_TYPE_LOCAL_WQ_ACCESS_ERROR = 0x07,
161 HNS_ROCE_EVENT_TYPE_SRQ_LIMIT_REACH = 0x08,
162 HNS_ROCE_EVENT_TYPE_SRQ_LAST_WQE_REACH = 0x09,
163 HNS_ROCE_EVENT_TYPE_SRQ_CATAS_ERROR = 0x0a,
164 HNS_ROCE_EVENT_TYPE_CQ_ACCESS_ERROR = 0x0b,
165 HNS_ROCE_EVENT_TYPE_CQ_OVERFLOW = 0x0c,
166 HNS_ROCE_EVENT_TYPE_CQ_ID_INVALID = 0x0d,
167 HNS_ROCE_EVENT_TYPE_PORT_CHANGE = 0x0f,
168 /* 0x10 and 0x11 is unused in currently application case */
169 HNS_ROCE_EVENT_TYPE_DB_OVERFLOW = 0x12,
170 HNS_ROCE_EVENT_TYPE_MB = 0x13,
171 HNS_ROCE_EVENT_TYPE_CEQ_OVERFLOW = 0x14,
172 HNS_ROCE_EVENT_TYPE_FLR = 0x15,
175 /* Local Work Queue Catastrophic Error,SUBTYPE 0x5 */
177 HNS_ROCE_LWQCE_QPC_ERROR = 1,
178 HNS_ROCE_LWQCE_MTU_ERROR = 2,
179 HNS_ROCE_LWQCE_WQE_BA_ADDR_ERROR = 3,
180 HNS_ROCE_LWQCE_WQE_ADDR_ERROR = 4,
181 HNS_ROCE_LWQCE_SQ_WQE_SHIFT_ERROR = 5,
182 HNS_ROCE_LWQCE_SL_ERROR = 6,
183 HNS_ROCE_LWQCE_PORT_ERROR = 7,
186 /* Local Access Violation Work Queue Error,SUBTYPE 0x7 */
188 HNS_ROCE_LAVWQE_R_KEY_VIOLATION = 1,
189 HNS_ROCE_LAVWQE_LENGTH_ERROR = 2,
190 HNS_ROCE_LAVWQE_VA_ERROR = 3,
191 HNS_ROCE_LAVWQE_PD_ERROR = 4,
192 HNS_ROCE_LAVWQE_RW_ACC_ERROR = 5,
193 HNS_ROCE_LAVWQE_KEY_STATE_ERROR = 6,
194 HNS_ROCE_LAVWQE_MR_OPERATION_ERROR = 7,
197 /* DOORBELL overflow subtype */
199 HNS_ROCE_DB_SUBTYPE_SDB_OVF = 1,
200 HNS_ROCE_DB_SUBTYPE_SDB_ALM_OVF = 2,
201 HNS_ROCE_DB_SUBTYPE_ODB_OVF = 3,
202 HNS_ROCE_DB_SUBTYPE_ODB_ALM_OVF = 4,
203 HNS_ROCE_DB_SUBTYPE_SDB_ALM_EMP = 5,
204 HNS_ROCE_DB_SUBTYPE_ODB_ALM_EMP = 6,
208 /* RQ&SRQ related operations */
209 HNS_ROCE_OPCODE_SEND_DATA_RECEIVE = 0x06,
210 HNS_ROCE_OPCODE_RDMA_WITH_IMM_RECEIVE = 0x07,
213 #define HNS_ROCE_CAP_FLAGS_EX_SHIFT 12
216 HNS_ROCE_CAP_FLAG_REREG_MR = BIT(0),
217 HNS_ROCE_CAP_FLAG_ROCE_V1_V2 = BIT(1),
218 HNS_ROCE_CAP_FLAG_RQ_INLINE = BIT(2),
219 HNS_ROCE_CAP_FLAG_RECORD_DB = BIT(3),
220 HNS_ROCE_CAP_FLAG_SQ_RECORD_DB = BIT(4),
221 HNS_ROCE_CAP_FLAG_SRQ = BIT(5),
222 HNS_ROCE_CAP_FLAG_MW = BIT(7),
223 HNS_ROCE_CAP_FLAG_FRMR = BIT(8),
224 HNS_ROCE_CAP_FLAG_QP_FLOW_CTRL = BIT(9),
225 HNS_ROCE_CAP_FLAG_ATOMIC = BIT(10),
228 #define HNS_ROCE_DB_TYPE_COUNT 2
229 #define HNS_ROCE_DB_UNIT_SIZE 4
232 HNS_ROCE_DB_PER_PAGE = PAGE_SIZE / 4
235 enum hns_roce_reset_stage {
236 HNS_ROCE_STATE_NON_RST,
237 HNS_ROCE_STATE_RST_BEF_DOWN,
238 HNS_ROCE_STATE_RST_DOWN,
239 HNS_ROCE_STATE_RST_UNINIT,
240 HNS_ROCE_STATE_RST_INIT,
241 HNS_ROCE_STATE_RST_INITED,
244 enum hns_roce_instance_state {
245 HNS_ROCE_STATE_NON_INIT,
247 HNS_ROCE_STATE_INITED,
248 HNS_ROCE_STATE_UNINIT,
252 HNS_ROCE_RST_DIRECT_RETURN = 0,
261 #define HNS_ROCE_CMD_SUCCESS 1
263 #define HNS_ROCE_PORT_DOWN 0
264 #define HNS_ROCE_PORT_UP 1
266 /* The minimum page size is 4K for hardware */
267 #define HNS_HW_PAGE_SHIFT 12
268 #define HNS_HW_PAGE_SIZE (1 << HNS_HW_PAGE_SHIFT)
270 /* The minimum page count for hardware access page directly. */
271 #define HNS_HW_DIRECT_PAGE_COUNT 2
273 struct hns_roce_uar {
276 unsigned long logic_idx;
279 struct hns_roce_ucontext {
280 struct ib_ucontext ibucontext;
281 struct hns_roce_uar uar;
282 struct list_head page_list;
283 struct mutex page_mutex;
291 struct hns_roce_bitmap {
292 /* Bitmap Traversal last a bit which is 1 */
296 unsigned long reserved_top;
299 unsigned long *table;
302 /* For Hardware Entry Memory */
303 struct hns_roce_hem_table {
304 /* HEM type: 0 = qpc, 1 = mtt, 2 = cqc, 3 = srq, 4 = other */
306 /* HEM array elment num */
307 unsigned long num_hem;
308 /* HEM entry record obj total num */
309 unsigned long num_obj;
310 /* Single obj size */
311 unsigned long obj_size;
312 unsigned long table_chunk_size;
315 struct hns_roce_hem **hem;
317 dma_addr_t *bt_l1_dma_addr;
319 dma_addr_t *bt_l0_dma_addr;
322 struct hns_roce_buf_region {
323 int offset; /* page offset */
324 u32 count; /* page count */
325 int hopnum; /* addressing hop num */
328 #define HNS_ROCE_MAX_BT_REGION 3
329 #define HNS_ROCE_MAX_BT_LEVEL 3
330 struct hns_roce_hem_list {
331 struct list_head root_bt;
332 /* link all bt dma mem by hop config */
333 struct list_head mid_bt[HNS_ROCE_MAX_BT_REGION][HNS_ROCE_MAX_BT_LEVEL];
334 struct list_head btm_bt; /* link all bottom bt in @mid_bt */
335 dma_addr_t root_ba; /* pointer to the root ba table */
338 struct hns_roce_buf_attr {
340 size_t size; /* region size */
341 int hopnum; /* multi-hop addressing hop num */
342 } region[HNS_ROCE_MAX_BT_REGION];
343 int region_count; /* valid region count */
344 unsigned int page_shift; /* buffer page shift */
345 bool fixed_page; /* decide page shift is fixed-size or maximum size */
346 int user_access; /* umem access flag */
347 bool mtt_only; /* only alloc buffer-required MTT memory */
350 struct hns_roce_hem_cfg {
351 dma_addr_t root_ba; /* root BA table's address */
352 bool is_direct; /* addressing without BA table */
353 unsigned int ba_pg_shift; /* BA table page shift */
354 unsigned int buf_pg_shift; /* buffer page shift */
355 unsigned int buf_pg_count; /* buffer page count */
356 struct hns_roce_buf_region region[HNS_ROCE_MAX_BT_REGION];
360 /* memory translate region */
361 struct hns_roce_mtr {
362 struct hns_roce_hem_list hem_list; /* multi-hop addressing resource */
363 struct ib_umem *umem; /* user space buffer */
364 struct hns_roce_buf *kmem; /* kernel space buffer */
365 struct hns_roce_hem_cfg hem_cfg; /* config for hardware addressing */
372 int enabled; /* MW's active status */
378 /* Only support 4K page size for mr register */
383 u64 iova; /* MR's virtual orignal addr */
384 u64 size; /* Address range of MR */
385 u32 key; /* Key of MR */
386 u32 pd; /* PD num of MR */
387 u32 access; /* Access permission of MR */
388 int enabled; /* MR's active status */
389 int type; /* MR's register type */
390 u32 pbl_hop_num; /* multi-hop number */
391 struct hns_roce_mtr pbl_mtr;
393 dma_addr_t *page_list;
396 struct hns_roce_mr_table {
397 struct hns_roce_bitmap mtpt_bitmap;
398 struct hns_roce_hem_table mtpt_table;
402 u64 *wrid; /* Work request ID */
404 u32 wqe_cnt; /* WQE num */
407 int wqe_shift; /* WQE size */
410 void __iomem *db_reg_l;
413 struct hns_roce_sge {
414 unsigned int sge_cnt; /* SGE num */
416 int sge_shift; /* SGE size */
419 struct hns_roce_buf_list {
424 struct hns_roce_buf {
425 struct hns_roce_buf_list direct;
426 struct hns_roce_buf_list *page_list;
429 unsigned int page_shift;
432 struct hns_roce_db_pgdir {
433 struct list_head list;
434 DECLARE_BITMAP(order0, HNS_ROCE_DB_PER_PAGE);
435 DECLARE_BITMAP(order1, HNS_ROCE_DB_PER_PAGE / HNS_ROCE_DB_TYPE_COUNT);
436 unsigned long *bits[HNS_ROCE_DB_TYPE_COUNT];
441 struct hns_roce_user_db_page {
442 struct list_head list;
443 struct ib_umem *umem;
444 unsigned long user_virt;
451 struct hns_roce_db_pgdir *pgdir;
452 struct hns_roce_user_db_page *user_page;
462 struct hns_roce_mtr mtr;
463 struct hns_roce_db db;
469 void __iomem *cq_db_l;
475 struct completion free;
476 struct list_head sq_list; /* all qps on this send cq */
477 struct list_head rq_list; /* all qps on this recv cq */
478 int is_armed; /* cq is armed */
479 struct list_head node; /* all armed cqs are on a list */
482 struct hns_roce_idx_que {
483 struct hns_roce_mtr mtr;
485 unsigned long *bitmap;
488 struct hns_roce_srq {
494 void __iomem *db_reg_l;
497 struct completion free;
499 struct hns_roce_mtr buf_mtr;
502 struct hns_roce_idx_que idx_que;
507 void (*event)(struct hns_roce_srq *srq, enum hns_roce_event event);
510 struct hns_roce_uar_table {
511 struct hns_roce_bitmap bitmap;
514 struct hns_roce_qp_table {
515 struct hns_roce_bitmap bitmap;
516 struct hns_roce_hem_table qp_table;
517 struct hns_roce_hem_table irrl_table;
518 struct hns_roce_hem_table trrl_table;
519 struct hns_roce_hem_table sccc_table;
520 struct mutex scc_mutex;
523 struct hns_roce_cq_table {
524 struct hns_roce_bitmap bitmap;
526 struct hns_roce_hem_table table;
529 struct hns_roce_srq_table {
530 struct hns_roce_bitmap bitmap;
532 struct hns_roce_hem_table table;
535 struct hns_roce_raq_table {
536 struct hns_roce_buf_list *e_raq_buf;
547 u8 dgid[HNS_ROCE_GID_SIZE];
555 struct hns_roce_av av;
558 struct hns_roce_cmd_context {
559 struct completion done;
566 struct hns_roce_cmdq {
567 struct dma_pool *pool;
568 struct mutex hcr_mutex;
569 struct semaphore poll_sem;
571 * Event mode: cmd register mutex protection,
572 * ensure to not exceed max_cmds and user use limit region
574 struct semaphore event_sem;
576 spinlock_t context_lock;
578 struct hns_roce_cmd_context *context;
580 * Result of get integer part
581 * which max_comds compute according a power of 2
585 * Process whether use event mode, init default non-zero
586 * After the event queue of cmd event ready,
587 * can switch into event mode
588 * close device, switch into poll mode(non event mode)
593 struct hns_roce_cmd_mailbox {
600 struct hns_roce_rinl_sge {
605 struct hns_roce_rinl_wqe {
606 struct hns_roce_rinl_sge *sg_list;
610 struct hns_roce_rinl_buf {
611 struct hns_roce_rinl_wqe *wqe_list;
616 HNS_ROCE_FLUSH_FLAG = 0,
619 struct hns_roce_work {
620 struct hns_roce_dev *hr_dev;
621 struct work_struct work;
630 struct hns_roce_wq rq;
631 struct hns_roce_db rdb;
632 struct hns_roce_db sdb;
633 unsigned long en_flags;
636 struct hns_roce_wq sq;
638 struct hns_roce_mtr mtr;
651 void (*event)(struct hns_roce_qp *qp,
652 enum hns_roce_event event_type);
656 struct completion free;
658 struct hns_roce_sge sge;
661 /* 0: flush needed, 1: unneeded */
662 unsigned long flush_flag;
663 struct hns_roce_work flush_work;
664 struct hns_roce_rinl_buf rq_inl_buf;
665 struct list_head node; /* all qps are on a list */
666 struct list_head rq_node; /* all recv qps are on a list */
667 struct list_head sq_node; /* all send qps are on a list */
670 struct hns_roce_ib_iboe {
672 struct net_device *netdevs[HNS_ROCE_MAX_PORTS];
673 struct notifier_block nb;
674 u8 phy_port[HNS_ROCE_MAX_PORTS];
678 HNS_ROCE_EQ_STAT_INVALID = 0,
679 HNS_ROCE_EQ_STAT_VALID = 2,
682 struct hns_roce_ceqe {
686 struct hns_roce_aeqe {
723 struct hns_roce_dev *hr_dev;
724 void __iomem *doorbell;
726 int type_flag; /* Aeq:1 ceq:0 */
734 struct hns_roce_buf_list *buf_list;
739 struct hns_roce_mtr mtr;
747 struct hns_roce_eq_table {
748 struct hns_roce_eq *eq;
749 void __iomem **eqc_base; /* only for hw v1 */
752 struct hns_roce_caps {
755 int gid_table_len[HNS_ROCE_MAX_PORTS];
756 int pkey_table_len[HNS_ROCE_MAX_PORTS];
757 int local_ca_ack_delay;
775 int max_qp_init_rdma;
776 int max_qp_dest_rdma;
784 int num_comp_vectors;
785 int num_other_vectors;
805 int qpc_timer_entry_sz;
806 int cqc_timer_entry_sz;
816 u32 qpc_timer_bt_num;
819 u32 cqc_timer_bt_num;
843 u32 qpc_timer_ba_pg_sz;
844 u32 qpc_timer_buf_pg_sz;
845 u32 qpc_timer_hop_num;
846 u32 cqc_timer_ba_pg_sz;
847 u32 cqc_timer_buf_pg_sz;
848 u32 cqc_timer_hop_num;
849 u32 cqe_ba_pg_sz; /* page_size = 4K*(2^cqe_ba_pg_sz) */
853 u32 srqwqe_buf_pg_sz;
864 u32 chunk_sz; /* chunk size in non multihop mode */
866 u16 default_ceq_max_cnt;
867 u16 default_ceq_period;
868 u16 default_aeq_max_cnt;
869 u16 default_aeq_period;
870 u16 default_aeq_arm_st;
871 u16 default_ceq_arm_st;
874 struct hns_roce_dfx_hw {
875 int (*query_cqc_info)(struct hns_roce_dev *hr_dev, u32 cqn,
879 enum hns_roce_device_state {
880 HNS_ROCE_DEVICE_STATE_INITED,
881 HNS_ROCE_DEVICE_STATE_RST_DOWN,
882 HNS_ROCE_DEVICE_STATE_UNINIT,
886 int (*reset)(struct hns_roce_dev *hr_dev, bool enable);
887 int (*cmq_init)(struct hns_roce_dev *hr_dev);
888 void (*cmq_exit)(struct hns_roce_dev *hr_dev);
889 int (*hw_profile)(struct hns_roce_dev *hr_dev);
890 int (*hw_init)(struct hns_roce_dev *hr_dev);
891 void (*hw_exit)(struct hns_roce_dev *hr_dev);
892 int (*post_mbox)(struct hns_roce_dev *hr_dev, u64 in_param,
893 u64 out_param, u32 in_modifier, u8 op_modifier, u16 op,
894 u16 token, int event);
895 int (*chk_mbox)(struct hns_roce_dev *hr_dev, unsigned long timeout);
896 int (*rst_prc_mbox)(struct hns_roce_dev *hr_dev);
897 int (*set_gid)(struct hns_roce_dev *hr_dev, u8 port, int gid_index,
898 const union ib_gid *gid, const struct ib_gid_attr *attr);
899 int (*set_mac)(struct hns_roce_dev *hr_dev, u8 phy_port, u8 *addr);
900 void (*set_mtu)(struct hns_roce_dev *hr_dev, u8 phy_port,
902 int (*write_mtpt)(struct hns_roce_dev *hr_dev, void *mb_buf,
903 struct hns_roce_mr *mr, unsigned long mtpt_idx);
904 int (*rereg_write_mtpt)(struct hns_roce_dev *hr_dev,
905 struct hns_roce_mr *mr, int flags, u32 pdn,
906 int mr_access_flags, u64 iova, u64 size,
908 int (*frmr_write_mtpt)(struct hns_roce_dev *hr_dev, void *mb_buf,
909 struct hns_roce_mr *mr);
910 int (*mw_write_mtpt)(void *mb_buf, struct hns_roce_mw *mw);
911 void (*write_cqc)(struct hns_roce_dev *hr_dev,
912 struct hns_roce_cq *hr_cq, void *mb_buf, u64 *mtts,
913 dma_addr_t dma_handle);
914 int (*set_hem)(struct hns_roce_dev *hr_dev,
915 struct hns_roce_hem_table *table, int obj, int step_idx);
916 int (*clear_hem)(struct hns_roce_dev *hr_dev,
917 struct hns_roce_hem_table *table, int obj,
919 int (*query_qp)(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr,
920 int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
921 int (*modify_qp)(struct ib_qp *ibqp, const struct ib_qp_attr *attr,
922 int attr_mask, enum ib_qp_state cur_state,
923 enum ib_qp_state new_state);
924 int (*destroy_qp)(struct ib_qp *ibqp, struct ib_udata *udata);
925 int (*qp_flow_control_init)(struct hns_roce_dev *hr_dev,
926 struct hns_roce_qp *hr_qp);
927 int (*post_send)(struct ib_qp *ibqp, const struct ib_send_wr *wr,
928 const struct ib_send_wr **bad_wr);
929 int (*post_recv)(struct ib_qp *qp, const struct ib_recv_wr *recv_wr,
930 const struct ib_recv_wr **bad_recv_wr);
931 int (*req_notify_cq)(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
932 int (*poll_cq)(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
933 int (*dereg_mr)(struct hns_roce_dev *hr_dev, struct hns_roce_mr *mr,
934 struct ib_udata *udata);
935 void (*destroy_cq)(struct ib_cq *ibcq, struct ib_udata *udata);
936 int (*modify_cq)(struct ib_cq *cq, u16 cq_count, u16 cq_period);
937 int (*init_eq)(struct hns_roce_dev *hr_dev);
938 void (*cleanup_eq)(struct hns_roce_dev *hr_dev);
939 void (*write_srqc)(struct hns_roce_dev *hr_dev,
940 struct hns_roce_srq *srq, u32 pdn, u16 xrcd, u32 cqn,
941 void *mb_buf, u64 *mtts_wqe, u64 *mtts_idx,
942 dma_addr_t dma_handle_wqe,
943 dma_addr_t dma_handle_idx);
944 int (*modify_srq)(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr,
945 enum ib_srq_attr_mask srq_attr_mask,
946 struct ib_udata *udata);
947 int (*query_srq)(struct ib_srq *ibsrq, struct ib_srq_attr *attr);
948 int (*post_srq_recv)(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
949 const struct ib_recv_wr **bad_wr);
950 const struct ib_device_ops *hns_roce_dev_ops;
951 const struct ib_device_ops *hns_roce_dev_srq_ops;
954 struct hns_roce_dev {
955 struct ib_device ib_dev;
956 struct platform_device *pdev;
957 struct pci_dev *pci_dev;
959 struct hns_roce_uar priv_uar;
960 const char *irq_names[HNS_ROCE_MAX_IRQ_NUM];
962 spinlock_t bt_cmd_lock;
966 unsigned long reset_cnt;
967 struct hns_roce_ib_iboe iboe;
968 enum hns_roce_device_state state;
969 struct list_head qp_list; /* list of all qps on this dev */
970 spinlock_t qp_list_lock; /* protect qp_list */
972 struct list_head pgdir_list;
973 struct mutex pgdir_mutex;
974 int irq[HNS_ROCE_MAX_IRQ_NUM];
975 u8 __iomem *reg_base;
976 struct hns_roce_caps caps;
977 struct xarray qp_table_xa;
979 unsigned char dev_addr[HNS_ROCE_MAX_PORTS][ETH_ALEN];
984 void __iomem *priv_addr;
986 struct hns_roce_cmdq cmd;
987 struct hns_roce_bitmap pd_bitmap;
988 struct hns_roce_uar_table uar_table;
989 struct hns_roce_mr_table mr_table;
990 struct hns_roce_cq_table cq_table;
991 struct hns_roce_srq_table srq_table;
992 struct hns_roce_qp_table qp_table;
993 struct hns_roce_eq_table eq_table;
994 struct hns_roce_hem_table qpc_timer_table;
995 struct hns_roce_hem_table cqc_timer_table;
1001 dma_addr_t tptr_dma_addr; /* only for hw v1 */
1002 u32 tptr_size; /* only for hw v1 */
1003 const struct hns_roce_hw *hw;
1005 struct workqueue_struct *irq_workq;
1006 const struct hns_roce_dfx_hw *dfx;
1009 static inline struct hns_roce_dev *to_hr_dev(struct ib_device *ib_dev)
1011 return container_of(ib_dev, struct hns_roce_dev, ib_dev);
1014 static inline struct hns_roce_ucontext
1015 *to_hr_ucontext(struct ib_ucontext *ibucontext)
1017 return container_of(ibucontext, struct hns_roce_ucontext, ibucontext);
1020 static inline struct hns_roce_pd *to_hr_pd(struct ib_pd *ibpd)
1022 return container_of(ibpd, struct hns_roce_pd, ibpd);
1025 static inline struct hns_roce_ah *to_hr_ah(struct ib_ah *ibah)
1027 return container_of(ibah, struct hns_roce_ah, ibah);
1030 static inline struct hns_roce_mr *to_hr_mr(struct ib_mr *ibmr)
1032 return container_of(ibmr, struct hns_roce_mr, ibmr);
1035 static inline struct hns_roce_mw *to_hr_mw(struct ib_mw *ibmw)
1037 return container_of(ibmw, struct hns_roce_mw, ibmw);
1040 static inline struct hns_roce_qp *to_hr_qp(struct ib_qp *ibqp)
1042 return container_of(ibqp, struct hns_roce_qp, ibqp);
1045 static inline struct hns_roce_cq *to_hr_cq(struct ib_cq *ib_cq)
1047 return container_of(ib_cq, struct hns_roce_cq, ib_cq);
1050 static inline struct hns_roce_srq *to_hr_srq(struct ib_srq *ibsrq)
1052 return container_of(ibsrq, struct hns_roce_srq, ibsrq);
1055 static inline void hns_roce_write64_k(__le32 val[2], void __iomem *dest)
1057 __raw_writeq(*(u64 *) val, dest);
1060 static inline struct hns_roce_qp
1061 *__hns_roce_qp_lookup(struct hns_roce_dev *hr_dev, u32 qpn)
1063 return xa_load(&hr_dev->qp_table_xa, qpn & (hr_dev->caps.num_qps - 1));
1066 static inline bool hns_roce_buf_is_direct(struct hns_roce_buf *buf)
1074 static inline void *hns_roce_buf_offset(struct hns_roce_buf *buf, int offset)
1076 if (hns_roce_buf_is_direct(buf))
1077 return (char *)(buf->direct.buf) + (offset & (buf->size - 1));
1079 return (char *)(buf->page_list[offset >> buf->page_shift].buf) +
1080 (offset & ((1 << buf->page_shift) - 1));
1083 static inline dma_addr_t hns_roce_buf_page(struct hns_roce_buf *buf, int idx)
1085 if (hns_roce_buf_is_direct(buf))
1086 return buf->direct.map + ((dma_addr_t)idx << buf->page_shift);
1088 return buf->page_list[idx].map;
1091 #define hr_hw_page_align(x) ALIGN(x, 1 << HNS_HW_PAGE_SHIFT)
1093 static inline u64 to_hr_hw_page_addr(u64 addr)
1095 return addr >> HNS_HW_PAGE_SHIFT;
1098 static inline u32 to_hr_hw_page_shift(u32 page_shift)
1100 return page_shift - HNS_HW_PAGE_SHIFT;
1103 static inline u32 to_hr_hem_hopnum(u32 hopnum, u32 count)
1106 return hopnum == HNS_ROCE_HOP_NUM_0 ? 0 : hopnum;
1111 static inline u32 to_hr_hem_entries_size(u32 count, u32 buf_shift)
1113 return hr_hw_page_align(count << buf_shift);
1116 static inline u32 to_hr_hem_entries_count(u32 count, u32 buf_shift)
1118 return hr_hw_page_align(count << buf_shift) >> buf_shift;
1121 static inline u32 to_hr_hem_entries_shift(u32 count, u32 buf_shift)
1126 return ilog2(to_hr_hem_entries_count(count, buf_shift));
1129 int hns_roce_init_uar_table(struct hns_roce_dev *dev);
1130 int hns_roce_uar_alloc(struct hns_roce_dev *dev, struct hns_roce_uar *uar);
1131 void hns_roce_uar_free(struct hns_roce_dev *dev, struct hns_roce_uar *uar);
1132 void hns_roce_cleanup_uar_table(struct hns_roce_dev *dev);
1134 int hns_roce_cmd_init(struct hns_roce_dev *hr_dev);
1135 void hns_roce_cmd_cleanup(struct hns_roce_dev *hr_dev);
1136 void hns_roce_cmd_event(struct hns_roce_dev *hr_dev, u16 token, u8 status,
1138 int hns_roce_cmd_use_events(struct hns_roce_dev *hr_dev);
1139 void hns_roce_cmd_use_polling(struct hns_roce_dev *hr_dev);
1141 /* hns roce hw need current block and next block addr from mtt */
1142 #define MTT_MIN_COUNT 2
1143 int hns_roce_mtr_find(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr,
1144 int offset, u64 *mtt_buf, int mtt_max, u64 *base_addr);
1145 int hns_roce_mtr_create(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr,
1146 struct hns_roce_buf_attr *buf_attr,
1147 unsigned int page_shift, struct ib_udata *udata,
1148 unsigned long user_addr);
1149 void hns_roce_mtr_destroy(struct hns_roce_dev *hr_dev,
1150 struct hns_roce_mtr *mtr);
1151 int hns_roce_mtr_map(struct hns_roce_dev *hr_dev, struct hns_roce_mtr *mtr,
1152 dma_addr_t *pages, int page_cnt);
1154 int hns_roce_init_pd_table(struct hns_roce_dev *hr_dev);
1155 int hns_roce_init_mr_table(struct hns_roce_dev *hr_dev);
1156 int hns_roce_init_cq_table(struct hns_roce_dev *hr_dev);
1157 int hns_roce_init_qp_table(struct hns_roce_dev *hr_dev);
1158 int hns_roce_init_srq_table(struct hns_roce_dev *hr_dev);
1160 void hns_roce_cleanup_pd_table(struct hns_roce_dev *hr_dev);
1161 void hns_roce_cleanup_mr_table(struct hns_roce_dev *hr_dev);
1162 void hns_roce_cleanup_eq_table(struct hns_roce_dev *hr_dev);
1163 void hns_roce_cleanup_cq_table(struct hns_roce_dev *hr_dev);
1164 void hns_roce_cleanup_qp_table(struct hns_roce_dev *hr_dev);
1165 void hns_roce_cleanup_srq_table(struct hns_roce_dev *hr_dev);
1167 int hns_roce_bitmap_alloc(struct hns_roce_bitmap *bitmap, unsigned long *obj);
1168 void hns_roce_bitmap_free(struct hns_roce_bitmap *bitmap, unsigned long obj,
1170 int hns_roce_bitmap_init(struct hns_roce_bitmap *bitmap, u32 num, u32 mask,
1171 u32 reserved_bot, u32 resetrved_top);
1172 void hns_roce_bitmap_cleanup(struct hns_roce_bitmap *bitmap);
1173 void hns_roce_cleanup_bitmap(struct hns_roce_dev *hr_dev);
1174 int hns_roce_bitmap_alloc_range(struct hns_roce_bitmap *bitmap, int cnt,
1175 int align, unsigned long *obj);
1176 void hns_roce_bitmap_free_range(struct hns_roce_bitmap *bitmap,
1177 unsigned long obj, int cnt,
1180 int hns_roce_create_ah(struct ib_ah *ah, struct rdma_ah_init_attr *init_attr,
1181 struct ib_udata *udata);
1182 int hns_roce_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
1183 void hns_roce_destroy_ah(struct ib_ah *ah, u32 flags);
1185 int hns_roce_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
1186 void hns_roce_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata);
1188 struct ib_mr *hns_roce_get_dma_mr(struct ib_pd *pd, int acc);
1189 struct ib_mr *hns_roce_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
1190 u64 virt_addr, int access_flags,
1191 struct ib_udata *udata);
1192 int hns_roce_rereg_user_mr(struct ib_mr *mr, int flags, u64 start, u64 length,
1193 u64 virt_addr, int mr_access_flags, struct ib_pd *pd,
1194 struct ib_udata *udata);
1195 struct ib_mr *hns_roce_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
1197 int hns_roce_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
1198 unsigned int *sg_offset);
1199 int hns_roce_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
1200 int hns_roce_hw_destroy_mpt(struct hns_roce_dev *hr_dev,
1201 struct hns_roce_cmd_mailbox *mailbox,
1202 unsigned long mpt_index);
1203 unsigned long key_to_hw_index(u32 key);
1205 struct ib_mw *hns_roce_alloc_mw(struct ib_pd *pd, enum ib_mw_type,
1206 struct ib_udata *udata);
1207 int hns_roce_dealloc_mw(struct ib_mw *ibmw);
1209 void hns_roce_buf_free(struct hns_roce_dev *hr_dev, struct hns_roce_buf *buf);
1210 int hns_roce_buf_alloc(struct hns_roce_dev *hr_dev, u32 size, u32 max_direct,
1211 struct hns_roce_buf *buf, u32 page_shift);
1213 int hns_roce_get_kmem_bufs(struct hns_roce_dev *hr_dev, dma_addr_t *bufs,
1214 int buf_cnt, int start, struct hns_roce_buf *buf);
1215 int hns_roce_get_umem_bufs(struct hns_roce_dev *hr_dev, dma_addr_t *bufs,
1216 int buf_cnt, int start, struct ib_umem *umem,
1217 unsigned int page_shift);
1219 int hns_roce_create_srq(struct ib_srq *srq,
1220 struct ib_srq_init_attr *srq_init_attr,
1221 struct ib_udata *udata);
1222 int hns_roce_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr,
1223 enum ib_srq_attr_mask srq_attr_mask,
1224 struct ib_udata *udata);
1225 void hns_roce_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata);
1227 struct ib_qp *hns_roce_create_qp(struct ib_pd *ib_pd,
1228 struct ib_qp_init_attr *init_attr,
1229 struct ib_udata *udata);
1230 int hns_roce_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
1231 int attr_mask, struct ib_udata *udata);
1232 void init_flush_work(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp);
1233 void *hns_roce_get_recv_wqe(struct hns_roce_qp *hr_qp, int n);
1234 void *hns_roce_get_send_wqe(struct hns_roce_qp *hr_qp, int n);
1235 void *hns_roce_get_extend_sge(struct hns_roce_qp *hr_qp, int n);
1236 bool hns_roce_wq_overflow(struct hns_roce_wq *hr_wq, int nreq,
1237 struct ib_cq *ib_cq);
1238 enum hns_roce_qp_state to_hns_roce_state(enum ib_qp_state state);
1239 void hns_roce_lock_cqs(struct hns_roce_cq *send_cq,
1240 struct hns_roce_cq *recv_cq);
1241 void hns_roce_unlock_cqs(struct hns_roce_cq *send_cq,
1242 struct hns_roce_cq *recv_cq);
1243 void hns_roce_qp_remove(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp);
1244 void hns_roce_qp_destroy(struct hns_roce_dev *hr_dev, struct hns_roce_qp *hr_qp,
1245 struct ib_udata *udata);
1246 __be32 send_ieth(const struct ib_send_wr *wr);
1247 int to_hr_qp_type(int qp_type);
1249 int hns_roce_create_cq(struct ib_cq *ib_cq, const struct ib_cq_init_attr *attr,
1250 struct ib_udata *udata);
1252 void hns_roce_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata);
1253 int hns_roce_db_map_user(struct hns_roce_ucontext *context,
1254 struct ib_udata *udata, unsigned long virt,
1255 struct hns_roce_db *db);
1256 void hns_roce_db_unmap_user(struct hns_roce_ucontext *context,
1257 struct hns_roce_db *db);
1258 int hns_roce_alloc_db(struct hns_roce_dev *hr_dev, struct hns_roce_db *db,
1260 void hns_roce_free_db(struct hns_roce_dev *hr_dev, struct hns_roce_db *db);
1262 void hns_roce_cq_completion(struct hns_roce_dev *hr_dev, u32 cqn);
1263 void hns_roce_cq_event(struct hns_roce_dev *hr_dev, u32 cqn, int event_type);
1264 void hns_roce_qp_event(struct hns_roce_dev *hr_dev, u32 qpn, int event_type);
1265 void hns_roce_srq_event(struct hns_roce_dev *hr_dev, u32 srqn, int event_type);
1266 int hns_get_gid_index(struct hns_roce_dev *hr_dev, u8 port, int gid_index);
1267 void hns_roce_handle_device_err(struct hns_roce_dev *hr_dev);
1268 int hns_roce_init(struct hns_roce_dev *hr_dev);
1269 void hns_roce_exit(struct hns_roce_dev *hr_dev);
1271 int hns_roce_fill_res_cq_entry(struct sk_buff *msg,
1272 struct ib_cq *ib_cq);
1273 #endif /* _HNS_ROCE_DEVICE_H */