2 * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved.
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
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
36 #include <linux/kernel.h>
37 #include <linux/sched.h>
38 #include <rdma/ib_verbs.h>
39 #include <rdma/ib_umem.h>
40 #include <rdma/ib_smi.h>
41 #include <linux/mlx5/driver.h>
42 #include <linux/mlx5/cq.h>
43 #include <linux/mlx5/fs.h>
44 #include <linux/mlx5/qp.h>
45 #include <linux/types.h>
46 #include <linux/mlx5/transobj.h>
47 #include <rdma/ib_user_verbs.h>
48 #include <rdma/mlx5-abi.h>
49 #include <rdma/uverbs_ioctl.h>
50 #include <rdma/mlx5_user_ioctl_cmds.h>
51 #include <rdma/mlx5_user_ioctl_verbs.h>
55 #define mlx5_ib_dbg(_dev, format, arg...) \
56 dev_dbg(&(_dev)->ib_dev.dev, "%s:%d:(pid %d): " format, __func__, \
57 __LINE__, current->pid, ##arg)
59 #define mlx5_ib_err(_dev, format, arg...) \
60 dev_err(&(_dev)->ib_dev.dev, "%s:%d:(pid %d): " format, __func__, \
61 __LINE__, current->pid, ##arg)
63 #define mlx5_ib_warn(_dev, format, arg...) \
64 dev_warn(&(_dev)->ib_dev.dev, "%s:%d:(pid %d): " format, __func__, \
65 __LINE__, current->pid, ##arg)
67 #define field_avail(type, fld, sz) (offsetof(type, fld) + \
68 sizeof(((type *)0)->fld) <= (sz))
69 #define MLX5_IB_DEFAULT_UIDX 0xffffff
70 #define MLX5_USER_ASSIGNED_UIDX_MASK __mlx5_mask(qpc, user_index)
72 #define MLX5_MKEY_PAGE_SHIFT_MASK __mlx5_mask(mkc, log_page_size)
75 MLX5_IB_MMAP_CMD_SHIFT = 8,
76 MLX5_IB_MMAP_CMD_MASK = 0xff,
80 MLX5_RES_SCAT_DATA32_CQE = 0x1,
81 MLX5_RES_SCAT_DATA64_CQE = 0x2,
82 MLX5_REQ_SCAT_DATA32_CQE = 0x11,
83 MLX5_REQ_SCAT_DATA64_CQE = 0x22,
86 enum mlx5_ib_mad_ifc_flags {
87 MLX5_MAD_IFC_IGNORE_MKEY = 1,
88 MLX5_MAD_IFC_IGNORE_BKEY = 2,
89 MLX5_MAD_IFC_NET_VIEW = 4,
93 MLX5_CROSS_CHANNEL_BFREG = 0,
102 MLX5_TM_MAX_RNDV_MSG_SIZE = 64,
107 MLX5_IB_INVALID_UAR_INDEX = BIT(31),
108 MLX5_IB_INVALID_BFREG = BIT(31),
112 MLX5_MAX_MEMIC_PAGES = 0x100,
113 MLX5_MEMIC_ALLOC_SIZE_MASK = 0x3f,
117 MLX5_MEMIC_BASE_ALIGN = 6,
118 MLX5_MEMIC_BASE_SIZE = 1 << MLX5_MEMIC_BASE_ALIGN,
121 #define MLX5_LOG_SW_ICM_BLOCK_SIZE(dev) \
122 (MLX5_CAP_DEV_MEM(dev, log_sw_icm_alloc_granularity))
123 #define MLX5_SW_ICM_BLOCK_SIZE(dev) (1 << MLX5_LOG_SW_ICM_BLOCK_SIZE(dev))
125 struct mlx5_ib_ucontext {
126 struct ib_ucontext ibucontext;
127 struct list_head db_page_list;
129 /* protect doorbell record alloc/free
131 struct mutex db_page_mutex;
132 struct mlx5_bfreg_info bfregi;
134 /* Transport Domain number */
138 DECLARE_BITMAP(dm_pages, MLX5_MAX_MEMIC_PAGES);
140 /* For RoCE LAG TX affinity */
141 atomic_t tx_port_affinity;
144 static inline struct mlx5_ib_ucontext *to_mucontext(struct ib_ucontext *ibucontext)
146 return container_of(ibucontext, struct mlx5_ib_ucontext, ibucontext);
156 MLX5_IB_FLOW_ACTION_MODIFY_HEADER,
157 MLX5_IB_FLOW_ACTION_PACKET_REFORMAT,
158 MLX5_IB_FLOW_ACTION_DECAP,
161 #define MLX5_IB_FLOW_MCAST_PRIO (MLX5_BY_PASS_NUM_PRIOS - 1)
162 #define MLX5_IB_FLOW_LAST_PRIO (MLX5_BY_PASS_NUM_REGULAR_PRIOS - 1)
163 #if (MLX5_IB_FLOW_LAST_PRIO <= 0)
164 #error "Invalid number of bypass priorities"
166 #define MLX5_IB_FLOW_LEFTOVERS_PRIO (MLX5_IB_FLOW_MCAST_PRIO + 1)
168 #define MLX5_IB_NUM_FLOW_FT (MLX5_IB_FLOW_LEFTOVERS_PRIO + 1)
169 #define MLX5_IB_NUM_SNIFFER_FTS 2
170 #define MLX5_IB_NUM_EGRESS_FTS 1
171 struct mlx5_ib_flow_prio {
172 struct mlx5_flow_table *flow_table;
173 unsigned int refcount;
176 struct mlx5_ib_flow_handler {
177 struct list_head list;
178 struct ib_flow ibflow;
179 struct mlx5_ib_flow_prio *prio;
180 struct mlx5_flow_handle *rule;
181 struct ib_counters *ibcounters;
182 struct mlx5_ib_dev *dev;
183 struct mlx5_ib_flow_matcher *flow_matcher;
186 struct mlx5_ib_flow_matcher {
187 struct mlx5_ib_match_params matcher_mask;
189 enum mlx5_ib_flow_type flow_type;
190 enum mlx5_flow_namespace_type ns_type;
192 struct mlx5_core_dev *mdev;
194 u8 match_criteria_enable;
197 struct mlx5_ib_flow_db {
198 struct mlx5_ib_flow_prio prios[MLX5_IB_NUM_FLOW_FT];
199 struct mlx5_ib_flow_prio egress_prios[MLX5_IB_NUM_FLOW_FT];
200 struct mlx5_ib_flow_prio sniffer[MLX5_IB_NUM_SNIFFER_FTS];
201 struct mlx5_ib_flow_prio egress[MLX5_IB_NUM_EGRESS_FTS];
202 struct mlx5_ib_flow_prio fdb;
203 struct mlx5_flow_table *lag_demux_ft;
204 /* Protect flow steering bypass flow tables
205 * when add/del flow rules.
206 * only single add/removal of flow steering rule could be done
212 /* Use macros here so that don't have to duplicate
213 * enum ib_send_flags and enum ib_qp_type for low-level driver
216 #define MLX5_IB_SEND_UMR_ENABLE_MR (IB_SEND_RESERVED_START << 0)
217 #define MLX5_IB_SEND_UMR_DISABLE_MR (IB_SEND_RESERVED_START << 1)
218 #define MLX5_IB_SEND_UMR_FAIL_IF_FREE (IB_SEND_RESERVED_START << 2)
219 #define MLX5_IB_SEND_UMR_UPDATE_XLT (IB_SEND_RESERVED_START << 3)
220 #define MLX5_IB_SEND_UMR_UPDATE_TRANSLATION (IB_SEND_RESERVED_START << 4)
221 #define MLX5_IB_SEND_UMR_UPDATE_PD_ACCESS IB_SEND_RESERVED_END
223 #define MLX5_IB_QPT_REG_UMR IB_QPT_RESERVED1
225 * IB_QPT_GSI creates the software wrapper around GSI, and MLX5_IB_QPT_HW_GSI
226 * creates the actual hardware QP.
228 #define MLX5_IB_QPT_HW_GSI IB_QPT_RESERVED2
229 #define MLX5_IB_QPT_DCI IB_QPT_RESERVED3
230 #define MLX5_IB_QPT_DCT IB_QPT_RESERVED4
231 #define MLX5_IB_WR_UMR IB_WR_RESERVED1
233 #define MLX5_IB_UMR_OCTOWORD 16
234 #define MLX5_IB_UMR_XLT_ALIGNMENT 64
236 #define MLX5_IB_UPD_XLT_ZAP BIT(0)
237 #define MLX5_IB_UPD_XLT_ENABLE BIT(1)
238 #define MLX5_IB_UPD_XLT_ATOMIC BIT(2)
239 #define MLX5_IB_UPD_XLT_ADDR BIT(3)
240 #define MLX5_IB_UPD_XLT_PD BIT(4)
241 #define MLX5_IB_UPD_XLT_ACCESS BIT(5)
242 #define MLX5_IB_UPD_XLT_INDIRECT BIT(6)
244 /* Private QP creation flags to be passed in ib_qp_init_attr.create_flags.
246 * These flags are intended for internal use by the mlx5_ib driver, and they
247 * rely on the range reserved for that use in the ib_qp_create_flags enum.
250 /* Create a UD QP whose source QP number is 1 */
251 static inline enum ib_qp_create_flags mlx5_ib_create_qp_sqpn_qp1(void)
253 return IB_QP_CREATE_RESERVED_START;
261 enum mlx5_ib_rq_flags {
262 MLX5_IB_RQ_CVLAN_STRIPPING = 1 << 0,
263 MLX5_IB_RQ_PCI_WRITE_END_PADDING = 1 << 1,
267 struct mlx5_frag_buf_ctrl fbc;
270 struct wr_list *w_list;
274 /* serialize post to the work queue
288 enum mlx5_ib_wq_flags {
289 MLX5_IB_WQ_FLAGS_DELAY_DROP = 0x1,
290 MLX5_IB_WQ_FLAGS_STRIDING_RQ = 0x2,
293 #define MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES 9
294 #define MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES 16
295 #define MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES 6
296 #define MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES 13
300 struct mlx5_core_qp core_qp;
307 u32 two_byte_shift_en;
308 u32 single_stride_log_num_of_bytes;
309 struct ib_umem *umem;
311 unsigned int page_shift;
318 u32 create_flags; /* Use enum mlx5_ib_wq_flags */
332 struct mlx5_ib_rwq_ind_table {
333 struct ib_rwq_ind_table ib_rwq_ind_tbl;
338 struct mlx5_ib_ubuffer {
339 struct ib_umem *umem;
344 struct mlx5_ib_qp_base {
345 struct mlx5_ib_qp *container_mibqp;
346 struct mlx5_core_qp mqp;
347 struct mlx5_ib_ubuffer ubuffer;
350 struct mlx5_ib_qp_trans {
351 struct mlx5_ib_qp_base base;
358 struct mlx5_ib_rss_qp {
363 struct mlx5_ib_qp_base base;
364 struct mlx5_ib_wq *rq;
365 struct mlx5_ib_ubuffer ubuffer;
366 struct mlx5_db *doorbell;
373 struct mlx5_ib_qp_base base;
374 struct mlx5_ib_wq *sq;
375 struct mlx5_ib_ubuffer ubuffer;
376 struct mlx5_db *doorbell;
377 struct mlx5_flow_handle *flow_rule;
382 struct mlx5_ib_raw_packet_qp {
383 struct mlx5_ib_sq sq;
384 struct mlx5_ib_rq rq;
389 unsigned long offset;
390 struct mlx5_sq_bfreg *bfreg;
394 struct mlx5_core_dct mdct;
401 struct mlx5_ib_qp_trans trans_qp;
402 struct mlx5_ib_raw_packet_qp raw_packet_qp;
403 struct mlx5_ib_rss_qp rss_qp;
404 struct mlx5_ib_dct dct;
406 struct mlx5_frag_buf buf;
409 struct mlx5_ib_wq rq;
413 struct mlx5_ib_wq sq;
415 /* serialize qp state modifications
427 /* only for user space QPs. For kernel
428 * we have it from the bf object
434 struct list_head qps_list;
435 struct list_head cq_recv_list;
436 struct list_head cq_send_list;
437 struct mlx5_rate_limit rl;
440 /* storage for qp sub type when core qp type is IB_QPT_DRIVER */
441 enum ib_qp_type qp_sub_type;
442 /* A flag to indicate if there's a new counter is configured
443 * but not take effective
448 struct mlx5_ib_cq_buf {
449 struct mlx5_frag_buf_ctrl fbc;
450 struct mlx5_frag_buf frag_buf;
451 struct ib_umem *umem;
456 enum mlx5_ib_qp_flags {
457 MLX5_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
458 MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
459 MLX5_IB_QP_CROSS_CHANNEL = IB_QP_CREATE_CROSS_CHANNEL,
460 MLX5_IB_QP_MANAGED_SEND = IB_QP_CREATE_MANAGED_SEND,
461 MLX5_IB_QP_MANAGED_RECV = IB_QP_CREATE_MANAGED_RECV,
462 MLX5_IB_QP_SIGNATURE_HANDLING = 1 << 5,
463 /* QP uses 1 as its source QP number */
464 MLX5_IB_QP_SQPN_QP1 = 1 << 6,
465 MLX5_IB_QP_CAP_SCATTER_FCS = 1 << 7,
466 MLX5_IB_QP_RSS = 1 << 8,
467 MLX5_IB_QP_CVLAN_STRIPPING = 1 << 9,
468 MLX5_IB_QP_UNDERLAY = 1 << 10,
469 MLX5_IB_QP_PCI_WRITE_END_PADDING = 1 << 11,
470 MLX5_IB_QP_TUNNEL_OFFLOAD = 1 << 12,
471 MLX5_IB_QP_PACKET_BASED_CREDIT = 1 << 13,
475 struct ib_send_wr wr;
479 unsigned int page_shift;
480 unsigned int xlt_size;
484 u8 ignore_free_state:1;
487 static inline const struct mlx5_umr_wr *umr_wr(const struct ib_send_wr *wr)
489 return container_of(wr, struct mlx5_umr_wr, wr);
492 struct mlx5_shared_mr_info {
494 struct ib_umem *umem;
497 enum mlx5_ib_cq_pr_flags {
498 MLX5_IB_CQ_PR_FLAGS_CQE_128_PAD = 1 << 0,
503 struct mlx5_core_cq mcq;
504 struct mlx5_ib_cq_buf buf;
507 /* serialize access to the CQ
513 struct mutex resize_mutex;
514 struct mlx5_ib_cq_buf *resize_buf;
515 struct ib_umem *resize_umem;
517 struct list_head list_send_qp;
518 struct list_head list_recv_qp;
520 struct list_head wc_list;
521 enum ib_cq_notify_flags notify_flags;
522 struct work_struct notify_work;
523 u16 private_flags; /* Use mlx5_ib_cq_pr_flags */
528 struct list_head list;
533 struct mlx5_core_srq msrq;
534 struct mlx5_frag_buf buf;
536 struct mlx5_frag_buf_ctrl fbc;
538 /* protect SRQ hanlding
544 struct ib_umem *umem;
545 /* serialize arming a SRQ
551 struct mlx5_ib_xrcd {
552 struct ib_xrcd ibxrcd;
556 enum mlx5_ib_mtt_access_flags {
557 MLX5_IB_MTT_READ = (1 << 0),
558 MLX5_IB_MTT_WRITE = (1 << 1),
563 phys_addr_t dev_addr;
570 /* other dm types specific params should be added here */
574 #define MLX5_IB_MTT_PRESENT (MLX5_IB_MTT_READ | MLX5_IB_MTT_WRITE)
576 #define MLX5_IB_DM_MEMIC_ALLOWED_ACCESS (IB_ACCESS_LOCAL_WRITE |\
577 IB_ACCESS_REMOTE_WRITE |\
578 IB_ACCESS_REMOTE_READ |\
579 IB_ACCESS_REMOTE_ATOMIC |\
582 #define MLX5_IB_DM_SW_ICM_ALLOWED_ACCESS (IB_ACCESS_LOCAL_WRITE |\
583 IB_ACCESS_REMOTE_WRITE |\
584 IB_ACCESS_REMOTE_READ |\
598 struct mlx5_core_mkey mmkey;
599 struct ib_umem *umem;
600 struct mlx5_shared_mr_info *smr_info;
601 struct list_head list;
603 bool allocated_from_cache;
605 struct mlx5_ib_dev *dev;
606 u32 out[MLX5_ST_SZ_DW(create_mkey_out)];
607 struct mlx5_core_sig_ctx *sig;
610 int access_flags; /* Needed for rereg MR */
612 struct mlx5_ib_mr *parent;
613 /* Needed for IB_MR_TYPE_INTEGRITY */
614 struct mlx5_ib_mr *pi_mr;
615 struct mlx5_ib_mr *klm_mr;
616 struct mlx5_ib_mr *mtt_mr;
620 atomic_t num_leaf_free;
621 wait_queue_head_t q_leaf_free;
622 struct mlx5_async_work cb_work;
623 atomic_t num_pending_prefetch;
626 static inline bool is_odp_mr(struct mlx5_ib_mr *mr)
628 return IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING) && mr->umem &&
634 struct mlx5_core_mkey mmkey;
638 struct mlx5_ib_devx_mr {
639 struct mlx5_core_mkey mmkey;
644 struct mlx5_ib_umr_context {
646 enum ib_wc_status status;
647 struct completion done;
654 /* control access to UMR QP
656 struct semaphore sem;
665 struct mlx5_cache_ent {
666 struct list_head head;
667 /* sync access to the cahce entry
683 struct mlx5_ib_dev *dev;
684 struct work_struct work;
685 struct delayed_work dwork;
687 struct completion compl;
690 struct mlx5_mr_cache {
691 struct workqueue_struct *wq;
692 struct mlx5_cache_ent ent[MAX_MR_CACHE_ENTRIES];
695 unsigned long last_add;
698 struct mlx5_ib_gsi_qp;
700 struct mlx5_ib_port_resources {
701 struct mlx5_ib_resources *devr;
702 struct mlx5_ib_gsi_qp *gsi;
703 struct work_struct pkey_change_work;
706 struct mlx5_ib_resources {
713 struct mlx5_ib_port_resources ports[2];
714 /* Protects changes to the port resources */
718 struct mlx5_ib_counters {
722 u32 num_cong_counters;
723 u32 num_ext_ppcnt_counters;
728 struct mlx5_ib_multiport_info;
730 struct mlx5_ib_multiport {
731 struct mlx5_ib_multiport_info *mpi;
732 /* To be held when accessing the multiport info */
737 /* Protect mlx5_ib_get_netdev from invoking dev_hold() with a NULL
740 rwlock_t netdev_lock;
741 struct net_device *netdev;
742 struct notifier_block nb;
743 atomic_t tx_port_affinity;
744 enum ib_port_state last_port_state;
745 struct mlx5_ib_dev *dev;
749 struct mlx5_ib_port {
750 struct mlx5_ib_counters cnts;
751 struct mlx5_ib_multiport mp;
752 struct mlx5_ib_dbg_cc_params *dbg_cc_params;
753 struct mlx5_roce roce;
754 struct mlx5_eswitch_rep *rep;
757 struct mlx5_ib_dbg_param {
759 struct mlx5_ib_dev *dev;
760 struct dentry *dentry;
764 enum mlx5_ib_dbg_cc_types {
765 MLX5_IB_DBG_CC_RP_CLAMP_TGT_RATE,
766 MLX5_IB_DBG_CC_RP_CLAMP_TGT_RATE_ATI,
767 MLX5_IB_DBG_CC_RP_TIME_RESET,
768 MLX5_IB_DBG_CC_RP_BYTE_RESET,
769 MLX5_IB_DBG_CC_RP_THRESHOLD,
770 MLX5_IB_DBG_CC_RP_AI_RATE,
771 MLX5_IB_DBG_CC_RP_HAI_RATE,
772 MLX5_IB_DBG_CC_RP_MIN_DEC_FAC,
773 MLX5_IB_DBG_CC_RP_MIN_RATE,
774 MLX5_IB_DBG_CC_RP_RATE_TO_SET_ON_FIRST_CNP,
775 MLX5_IB_DBG_CC_RP_DCE_TCP_G,
776 MLX5_IB_DBG_CC_RP_DCE_TCP_RTT,
777 MLX5_IB_DBG_CC_RP_RATE_REDUCE_MONITOR_PERIOD,
778 MLX5_IB_DBG_CC_RP_INITIAL_ALPHA_VALUE,
779 MLX5_IB_DBG_CC_RP_GD,
780 MLX5_IB_DBG_CC_NP_CNP_DSCP,
781 MLX5_IB_DBG_CC_NP_CNP_PRIO_MODE,
782 MLX5_IB_DBG_CC_NP_CNP_PRIO,
786 struct mlx5_ib_dbg_cc_params {
788 struct mlx5_ib_dbg_param params[MLX5_IB_DBG_CC_MAX];
792 MLX5_MAX_DELAY_DROP_TIMEOUT_MS = 100,
795 struct mlx5_ib_dbg_delay_drop {
796 struct dentry *dir_debugfs;
797 struct dentry *rqs_cnt_debugfs;
798 struct dentry *events_cnt_debugfs;
799 struct dentry *timeout_debugfs;
802 struct mlx5_ib_delay_drop {
803 struct mlx5_ib_dev *dev;
804 struct work_struct delay_drop_work;
805 /* serialize setting of delay drop */
811 struct mlx5_ib_dbg_delay_drop *dbg;
814 enum mlx5_ib_stages {
816 MLX5_IB_STAGE_FLOW_DB,
818 MLX5_IB_STAGE_NON_DEFAULT_CB,
821 MLX5_IB_STAGE_DEVICE_RESOURCES,
822 MLX5_IB_STAGE_DEVICE_NOTIFIER,
824 MLX5_IB_STAGE_COUNTERS,
825 MLX5_IB_STAGE_CONG_DEBUGFS,
828 MLX5_IB_STAGE_PRE_IB_REG_UMR,
829 MLX5_IB_STAGE_WHITELIST_UID,
830 MLX5_IB_STAGE_IB_REG,
831 MLX5_IB_STAGE_POST_IB_REG_UMR,
832 MLX5_IB_STAGE_DELAY_DROP,
833 MLX5_IB_STAGE_CLASS_ATTR,
837 struct mlx5_ib_stage {
838 int (*init)(struct mlx5_ib_dev *dev);
839 void (*cleanup)(struct mlx5_ib_dev *dev);
842 #define STAGE_CREATE(_stage, _init, _cleanup) \
843 .stage[_stage] = {.init = _init, .cleanup = _cleanup}
845 struct mlx5_ib_profile {
846 struct mlx5_ib_stage stage[MLX5_IB_STAGE_MAX];
849 struct mlx5_ib_multiport_info {
850 struct list_head list;
851 struct mlx5_ib_dev *ibdev;
852 struct mlx5_core_dev *mdev;
853 struct notifier_block mdev_events;
854 struct completion unref_comp;
861 struct mlx5_ib_flow_action {
862 struct ib_flow_action ib_action;
866 struct mlx5_accel_esp_xfrm *ctx;
869 struct mlx5_ib_dev *dev;
877 struct mlx5_core_dev *dev;
878 /* This lock is used to protect the access to the shared
879 * allocation map when concurrent requests by different
880 * processes are handled.
883 DECLARE_BITMAP(memic_alloc_pages, MLX5_MAX_MEMIC_PAGES);
884 unsigned long *steering_sw_icm_alloc_blocks;
885 unsigned long *header_modify_sw_icm_alloc_blocks;
888 struct mlx5_read_counters_attr {
889 struct mlx5_fc *hw_cntrs_hndl;
894 enum mlx5_ib_counters_type {
895 MLX5_IB_COUNTERS_FLOW,
898 struct mlx5_ib_mcounters {
899 struct ib_counters ibcntrs;
900 enum mlx5_ib_counters_type type;
901 /* number of counters supported for this counters type */
903 struct mlx5_fc *hw_cntrs_hndl;
904 /* read function for this counters type */
905 int (*read_counters)(struct ib_device *ibdev,
906 struct mlx5_read_counters_attr *read_attr);
907 /* max index set as part of create_flow */
909 /* number of counters data entries (<description,index> pair) */
911 /* counters data array for descriptions and indexes */
912 struct mlx5_ib_flow_counters_desc *counters_data;
913 /* protects access to mcounters internal data */
914 struct mutex mcntrs_mutex;
917 static inline struct mlx5_ib_mcounters *
918 to_mcounters(struct ib_counters *ibcntrs)
920 return container_of(ibcntrs, struct mlx5_ib_mcounters, ibcntrs);
923 int parse_flow_flow_action(struct mlx5_ib_flow_action *maction,
925 struct mlx5_flow_act *action);
926 struct mlx5_ib_lb_state {
927 /* protect the user_td */
934 struct mlx5_ib_pf_eq {
935 struct notifier_block irq_nb;
936 struct mlx5_ib_dev *dev;
937 struct mlx5_eq *core;
938 struct work_struct work;
939 spinlock_t lock; /* Pagefaults spinlock */
940 struct workqueue_struct *wq;
944 struct mlx5_devx_event_table {
945 struct mlx5_nb devx_nb;
946 /* serialize updating the event_xa */
947 struct mutex event_xa_lock;
948 struct xarray event_xa;
952 struct ib_device ib_dev;
953 struct mlx5_core_dev *mdev;
954 struct notifier_block mdev_events;
956 /* serialize update of capability mask
958 struct mutex cap_mask_mutex;
960 struct umr_common umrc;
961 /* sync used page count stats
963 struct mlx5_ib_resources devr;
964 struct mlx5_mr_cache cache;
965 struct timer_list delay_timer;
966 /* Prevents soft lock on massive reg MRs */
967 struct mutex slow_path_mutex;
969 struct ib_odp_caps odp_caps;
971 struct mlx5_ib_pf_eq odp_pf_eq;
974 * Sleepable RCU that prevents destruction of MRs while they are still
975 * being used by a page fault handler.
977 struct srcu_struct mr_srcu;
979 struct mlx5_ib_flow_db *flow_db;
980 /* protect resources needed as part of reset flow */
981 spinlock_t reset_flow_resource_lock;
982 struct list_head qp_list;
983 /* Array with num_ports elements */
984 struct mlx5_ib_port *port;
985 struct mlx5_sq_bfreg bfreg;
986 struct mlx5_sq_bfreg fp_bfreg;
987 struct mlx5_ib_delay_drop delay_drop;
988 const struct mlx5_ib_profile *profile;
992 struct mlx5_ib_lb_state lb;
994 struct list_head ib_dev_list;
997 u16 devx_whitelist_uid;
998 struct mlx5_srq_table srq_table;
999 struct mlx5_async_ctx async_ctx;
1000 struct mlx5_devx_event_table devx_event_table;
1003 static inline struct mlx5_ib_cq *to_mibcq(struct mlx5_core_cq *mcq)
1005 return container_of(mcq, struct mlx5_ib_cq, mcq);
1008 static inline struct mlx5_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
1010 return container_of(ibxrcd, struct mlx5_ib_xrcd, ibxrcd);
1013 static inline struct mlx5_ib_dev *to_mdev(struct ib_device *ibdev)
1015 return container_of(ibdev, struct mlx5_ib_dev, ib_dev);
1018 static inline struct mlx5_ib_dev *mlx5_udata_to_mdev(struct ib_udata *udata)
1020 struct mlx5_ib_ucontext *context = rdma_udata_to_drv_context(
1021 udata, struct mlx5_ib_ucontext, ibucontext);
1023 return to_mdev(context->ibucontext.device);
1026 static inline struct mlx5_ib_cq *to_mcq(struct ib_cq *ibcq)
1028 return container_of(ibcq, struct mlx5_ib_cq, ibcq);
1031 static inline struct mlx5_ib_qp *to_mibqp(struct mlx5_core_qp *mqp)
1033 return container_of(mqp, struct mlx5_ib_qp_base, mqp)->container_mibqp;
1036 static inline struct mlx5_ib_rwq *to_mibrwq(struct mlx5_core_qp *core_qp)
1038 return container_of(core_qp, struct mlx5_ib_rwq, core_qp);
1041 static inline struct mlx5_ib_mr *to_mibmr(struct mlx5_core_mkey *mmkey)
1043 return container_of(mmkey, struct mlx5_ib_mr, mmkey);
1046 static inline struct mlx5_ib_pd *to_mpd(struct ib_pd *ibpd)
1048 return container_of(ibpd, struct mlx5_ib_pd, ibpd);
1051 static inline struct mlx5_ib_srq *to_msrq(struct ib_srq *ibsrq)
1053 return container_of(ibsrq, struct mlx5_ib_srq, ibsrq);
1056 static inline struct mlx5_ib_qp *to_mqp(struct ib_qp *ibqp)
1058 return container_of(ibqp, struct mlx5_ib_qp, ibqp);
1061 static inline struct mlx5_ib_rwq *to_mrwq(struct ib_wq *ibwq)
1063 return container_of(ibwq, struct mlx5_ib_rwq, ibwq);
1066 static inline struct mlx5_ib_rwq_ind_table *to_mrwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl)
1068 return container_of(ib_rwq_ind_tbl, struct mlx5_ib_rwq_ind_table, ib_rwq_ind_tbl);
1071 static inline struct mlx5_ib_srq *to_mibsrq(struct mlx5_core_srq *msrq)
1073 return container_of(msrq, struct mlx5_ib_srq, msrq);
1076 static inline struct mlx5_ib_dm *to_mdm(struct ib_dm *ibdm)
1078 return container_of(ibdm, struct mlx5_ib_dm, ibdm);
1081 static inline struct mlx5_ib_mr *to_mmr(struct ib_mr *ibmr)
1083 return container_of(ibmr, struct mlx5_ib_mr, ibmr);
1086 static inline struct mlx5_ib_mw *to_mmw(struct ib_mw *ibmw)
1088 return container_of(ibmw, struct mlx5_ib_mw, ibmw);
1091 static inline struct mlx5_ib_flow_action *
1092 to_mflow_act(struct ib_flow_action *ibact)
1094 return container_of(ibact, struct mlx5_ib_flow_action, ib_action);
1097 int mlx5_ib_db_map_user(struct mlx5_ib_ucontext *context,
1098 struct ib_udata *udata, unsigned long virt,
1099 struct mlx5_db *db);
1100 void mlx5_ib_db_unmap_user(struct mlx5_ib_ucontext *context, struct mlx5_db *db);
1101 void __mlx5_ib_cq_clean(struct mlx5_ib_cq *cq, u32 qpn, struct mlx5_ib_srq *srq);
1102 void mlx5_ib_cq_clean(struct mlx5_ib_cq *cq, u32 qpn, struct mlx5_ib_srq *srq);
1103 void mlx5_ib_free_srq_wqe(struct mlx5_ib_srq *srq, int wqe_index);
1104 int mlx5_ib_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags,
1105 struct ib_udata *udata);
1106 int mlx5_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
1107 void mlx5_ib_destroy_ah(struct ib_ah *ah, u32 flags);
1108 int mlx5_ib_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr,
1109 struct ib_udata *udata);
1110 int mlx5_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
1111 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
1112 int mlx5_ib_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr);
1113 void mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
1114 int mlx5_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
1115 const struct ib_recv_wr **bad_wr);
1116 int mlx5_ib_enable_lb(struct mlx5_ib_dev *dev, bool td, bool qp);
1117 void mlx5_ib_disable_lb(struct mlx5_ib_dev *dev, bool td, bool qp);
1118 struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd,
1119 struct ib_qp_init_attr *init_attr,
1120 struct ib_udata *udata);
1121 int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
1122 int attr_mask, struct ib_udata *udata);
1123 int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
1124 struct ib_qp_init_attr *qp_init_attr);
1125 int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
1126 void mlx5_ib_drain_sq(struct ib_qp *qp);
1127 void mlx5_ib_drain_rq(struct ib_qp *qp);
1128 int mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
1129 const struct ib_send_wr **bad_wr);
1130 int mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
1131 const struct ib_recv_wr **bad_wr);
1132 int mlx5_ib_read_user_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer,
1133 int buflen, size_t *bc);
1134 int mlx5_ib_read_user_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer,
1135 int buflen, size_t *bc);
1136 int mlx5_ib_read_user_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index,
1137 void *buffer, int buflen, size_t *bc);
1138 int mlx5_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
1139 struct ib_udata *udata);
1140 void mlx5_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
1141 int mlx5_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
1142 int mlx5_ib_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
1143 int mlx5_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
1144 int mlx5_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
1145 struct ib_mr *mlx5_ib_get_dma_mr(struct ib_pd *pd, int acc);
1146 struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
1147 u64 virt_addr, int access_flags,
1148 struct ib_udata *udata);
1149 int mlx5_ib_advise_mr(struct ib_pd *pd,
1150 enum ib_uverbs_advise_mr_advice advice,
1152 struct ib_sge *sg_list,
1154 struct uverbs_attr_bundle *attrs);
1155 struct ib_mw *mlx5_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
1156 struct ib_udata *udata);
1157 int mlx5_ib_dealloc_mw(struct ib_mw *mw);
1158 int mlx5_ib_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages,
1159 int page_shift, int flags);
1160 struct mlx5_ib_mr *mlx5_ib_alloc_implicit_mr(struct mlx5_ib_pd *pd,
1161 struct ib_udata *udata,
1163 void mlx5_ib_free_implicit_mr(struct mlx5_ib_mr *mr);
1164 int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start,
1165 u64 length, u64 virt_addr, int access_flags,
1166 struct ib_pd *pd, struct ib_udata *udata);
1167 int mlx5_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
1168 struct ib_mr *mlx5_ib_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
1169 u32 max_num_sg, struct ib_udata *udata);
1170 struct ib_mr *mlx5_ib_alloc_mr_integrity(struct ib_pd *pd,
1172 u32 max_num_meta_sg);
1173 int mlx5_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
1174 unsigned int *sg_offset);
1175 int mlx5_ib_map_mr_sg_pi(struct ib_mr *ibmr, struct scatterlist *data_sg,
1176 int data_sg_nents, unsigned int *data_sg_offset,
1177 struct scatterlist *meta_sg, int meta_sg_nents,
1178 unsigned int *meta_sg_offset);
1179 int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
1180 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
1181 const struct ib_mad_hdr *in, size_t in_mad_size,
1182 struct ib_mad_hdr *out, size_t *out_mad_size,
1183 u16 *out_mad_pkey_index);
1184 struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev,
1185 struct ib_udata *udata);
1186 int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata);
1187 int mlx5_ib_get_buf_offset(u64 addr, int page_shift, u32 *offset);
1188 int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, u8 port);
1189 int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev,
1190 struct ib_smp *out_mad);
1191 int mlx5_query_mad_ifc_system_image_guid(struct ib_device *ibdev,
1192 __be64 *sys_image_guid);
1193 int mlx5_query_mad_ifc_max_pkeys(struct ib_device *ibdev,
1195 int mlx5_query_mad_ifc_vendor_id(struct ib_device *ibdev,
1197 int mlx5_query_mad_ifc_node_desc(struct mlx5_ib_dev *dev, char *node_desc);
1198 int mlx5_query_mad_ifc_node_guid(struct mlx5_ib_dev *dev, __be64 *node_guid);
1199 int mlx5_query_mad_ifc_pkey(struct ib_device *ibdev, u8 port, u16 index,
1201 int mlx5_query_mad_ifc_gids(struct ib_device *ibdev, u8 port, int index,
1203 int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port,
1204 struct ib_port_attr *props);
1205 int mlx5_ib_query_port(struct ib_device *ibdev, u8 port,
1206 struct ib_port_attr *props);
1207 int mlx5_ib_init_fmr(struct mlx5_ib_dev *dev);
1208 void mlx5_ib_cleanup_fmr(struct mlx5_ib_dev *dev);
1209 void mlx5_ib_cont_pages(struct ib_umem *umem, u64 addr,
1210 unsigned long max_page_shift,
1211 int *count, int *shift,
1212 int *ncont, int *order);
1213 void __mlx5_ib_populate_pas(struct mlx5_ib_dev *dev, struct ib_umem *umem,
1214 int page_shift, size_t offset, size_t num_pages,
1215 __be64 *pas, int access_flags);
1216 void mlx5_ib_populate_pas(struct mlx5_ib_dev *dev, struct ib_umem *umem,
1217 int page_shift, __be64 *pas, int access_flags);
1218 void mlx5_ib_copy_pas(u64 *old, u64 *new, int step, int num);
1219 int mlx5_ib_get_cqe_size(struct ib_cq *ibcq);
1220 int mlx5_mr_cache_init(struct mlx5_ib_dev *dev);
1221 int mlx5_mr_cache_cleanup(struct mlx5_ib_dev *dev);
1223 struct mlx5_ib_mr *mlx5_mr_cache_alloc(struct mlx5_ib_dev *dev, int entry);
1224 void mlx5_mr_cache_free(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr);
1225 int mlx5_ib_check_mr_status(struct ib_mr *ibmr, u32 check_mask,
1226 struct ib_mr_status *mr_status);
1227 struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd,
1228 struct ib_wq_init_attr *init_attr,
1229 struct ib_udata *udata);
1230 void mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata);
1231 int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
1232 u32 wq_attr_mask, struct ib_udata *udata);
1233 struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device,
1234 struct ib_rwq_ind_table_init_attr *init_attr,
1235 struct ib_udata *udata);
1236 int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table);
1237 bool mlx5_ib_dc_atomic_is_supported(struct mlx5_ib_dev *dev);
1238 struct ib_dm *mlx5_ib_alloc_dm(struct ib_device *ibdev,
1239 struct ib_ucontext *context,
1240 struct ib_dm_alloc_attr *attr,
1241 struct uverbs_attr_bundle *attrs);
1242 int mlx5_ib_dealloc_dm(struct ib_dm *ibdm, struct uverbs_attr_bundle *attrs);
1243 struct ib_mr *mlx5_ib_reg_dm_mr(struct ib_pd *pd, struct ib_dm *dm,
1244 struct ib_dm_mr_attr *attr,
1245 struct uverbs_attr_bundle *attrs);
1247 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
1248 void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev);
1249 int mlx5_ib_odp_init_one(struct mlx5_ib_dev *ibdev);
1250 void mlx5_ib_odp_cleanup_one(struct mlx5_ib_dev *ibdev);
1251 int __init mlx5_ib_odp_init(void);
1252 void mlx5_ib_odp_cleanup(void);
1253 void mlx5_ib_invalidate_range(struct ib_umem_odp *umem_odp, unsigned long start,
1255 void mlx5_odp_init_mr_cache_entry(struct mlx5_cache_ent *ent);
1256 void mlx5_odp_populate_klm(struct mlx5_klm *pklm, size_t offset,
1257 size_t nentries, struct mlx5_ib_mr *mr, int flags);
1259 int mlx5_ib_advise_mr_prefetch(struct ib_pd *pd,
1260 enum ib_uverbs_advise_mr_advice advice,
1261 u32 flags, struct ib_sge *sg_list, u32 num_sge);
1262 #else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */
1263 static inline void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev)
1268 static inline int mlx5_ib_odp_init_one(struct mlx5_ib_dev *ibdev) { return 0; }
1269 static inline void mlx5_ib_odp_cleanup_one(struct mlx5_ib_dev *ibdev) {}
1270 static inline int mlx5_ib_odp_init(void) { return 0; }
1271 static inline void mlx5_ib_odp_cleanup(void) {}
1272 static inline void mlx5_odp_init_mr_cache_entry(struct mlx5_cache_ent *ent) {}
1273 static inline void mlx5_odp_populate_klm(struct mlx5_klm *pklm, size_t offset,
1274 size_t nentries, struct mlx5_ib_mr *mr,
1278 mlx5_ib_advise_mr_prefetch(struct ib_pd *pd,
1279 enum ib_uverbs_advise_mr_advice advice, u32 flags,
1280 struct ib_sge *sg_list, u32 num_sge)
1284 static inline void mlx5_ib_invalidate_range(struct ib_umem_odp *umem_odp,
1285 unsigned long start,
1286 unsigned long end){};
1287 #endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */
1289 /* Needed for rep profile */
1290 void __mlx5_ib_remove(struct mlx5_ib_dev *dev,
1291 const struct mlx5_ib_profile *profile,
1293 void *__mlx5_ib_add(struct mlx5_ib_dev *dev,
1294 const struct mlx5_ib_profile *profile);
1296 int mlx5_ib_get_vf_config(struct ib_device *device, int vf,
1297 u8 port, struct ifla_vf_info *info);
1298 int mlx5_ib_set_vf_link_state(struct ib_device *device, int vf,
1299 u8 port, int state);
1300 int mlx5_ib_get_vf_stats(struct ib_device *device, int vf,
1301 u8 port, struct ifla_vf_stats *stats);
1302 int mlx5_ib_set_vf_guid(struct ib_device *device, int vf, u8 port,
1303 u64 guid, int type);
1305 __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev,
1306 const struct ib_gid_attr *attr);
1308 void mlx5_ib_cleanup_cong_debugfs(struct mlx5_ib_dev *dev, u8 port_num);
1309 void mlx5_ib_init_cong_debugfs(struct mlx5_ib_dev *dev, u8 port_num);
1311 /* GSI QP helper functions */
1312 struct ib_qp *mlx5_ib_gsi_create_qp(struct ib_pd *pd,
1313 struct ib_qp_init_attr *init_attr);
1314 int mlx5_ib_gsi_destroy_qp(struct ib_qp *qp);
1315 int mlx5_ib_gsi_modify_qp(struct ib_qp *qp, struct ib_qp_attr *attr,
1317 int mlx5_ib_gsi_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
1319 struct ib_qp_init_attr *qp_init_attr);
1320 int mlx5_ib_gsi_post_send(struct ib_qp *qp, const struct ib_send_wr *wr,
1321 const struct ib_send_wr **bad_wr);
1322 int mlx5_ib_gsi_post_recv(struct ib_qp *qp, const struct ib_recv_wr *wr,
1323 const struct ib_recv_wr **bad_wr);
1324 void mlx5_ib_gsi_pkey_change(struct mlx5_ib_gsi_qp *gsi);
1326 int mlx5_ib_generate_wc(struct ib_cq *ibcq, struct ib_wc *wc);
1328 void mlx5_ib_free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi,
1330 struct mlx5_ib_dev *mlx5_ib_get_ibdev_from_mpi(struct mlx5_ib_multiport_info *mpi);
1331 struct mlx5_core_dev *mlx5_ib_get_native_port_mdev(struct mlx5_ib_dev *dev,
1333 u8 *native_port_num);
1334 void mlx5_ib_put_native_port_mdev(struct mlx5_ib_dev *dev,
1337 #if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)
1338 int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, bool is_user);
1339 void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid);
1340 void mlx5_ib_devx_init_event_table(struct mlx5_ib_dev *dev);
1341 void mlx5_ib_devx_cleanup_event_table(struct mlx5_ib_dev *dev);
1342 const struct uverbs_object_tree_def *mlx5_ib_get_devx_tree(void);
1343 extern const struct uapi_definition mlx5_ib_devx_defs[];
1344 extern const struct uapi_definition mlx5_ib_flow_defs[];
1345 struct mlx5_ib_flow_handler *mlx5_ib_raw_fs_rule_add(
1346 struct mlx5_ib_dev *dev, struct mlx5_ib_flow_matcher *fs_matcher,
1347 struct mlx5_flow_context *flow_context,
1348 struct mlx5_flow_act *flow_act, u32 counter_id,
1349 void *cmd_in, int inlen, int dest_id, int dest_type);
1350 bool mlx5_ib_devx_is_flow_dest(void *obj, int *dest_id, int *dest_type);
1351 bool mlx5_ib_devx_is_flow_counter(void *obj, u32 *counter_id);
1352 int mlx5_ib_get_flow_trees(const struct uverbs_object_tree_def **root);
1353 void mlx5_ib_destroy_flow_action_raw(struct mlx5_ib_flow_action *maction);
1356 mlx5_ib_devx_create(struct mlx5_ib_dev *dev,
1357 bool is_user) { return -EOPNOTSUPP; }
1358 static inline void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid) {}
1359 static inline void mlx5_ib_devx_init_event_table(struct mlx5_ib_dev *dev) {}
1360 static inline void mlx5_ib_devx_cleanup_event_table(struct mlx5_ib_dev *dev) {}
1361 static inline bool mlx5_ib_devx_is_flow_dest(void *obj, int *dest_id,
1367 mlx5_ib_destroy_flow_action_raw(struct mlx5_ib_flow_action *maction)
1372 static inline void init_query_mad(struct ib_smp *mad)
1374 mad->base_version = 1;
1375 mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
1376 mad->class_version = 1;
1377 mad->method = IB_MGMT_METHOD_GET;
1380 static inline u8 convert_access(int acc)
1382 return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) |
1383 (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) |
1384 (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) |
1385 (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) |
1386 MLX5_PERM_LOCAL_READ;
1389 static inline int is_qp1(enum ib_qp_type qp_type)
1391 return qp_type == MLX5_IB_QPT_HW_GSI;
1394 #define MLX5_MAX_UMR_SHIFT 16
1395 #define MLX5_MAX_UMR_PAGES (1 << MLX5_MAX_UMR_SHIFT)
1397 static inline u32 check_cq_create_flags(u32 flags)
1400 * It returns non-zero value for unsupported CQ
1401 * create flags, otherwise it returns zero.
1403 return (flags & ~(IB_UVERBS_CQ_FLAGS_IGNORE_OVERRUN |
1404 IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION));
1407 static inline int verify_assign_uidx(u8 cqe_version, u32 cmd_uidx,
1411 if ((cmd_uidx == MLX5_IB_DEFAULT_UIDX) ||
1412 (cmd_uidx & ~MLX5_USER_ASSIGNED_UIDX_MASK))
1414 *user_index = cmd_uidx;
1416 *user_index = MLX5_IB_DEFAULT_UIDX;
1422 static inline int get_qp_user_index(struct mlx5_ib_ucontext *ucontext,
1423 struct mlx5_ib_create_qp *ucmd,
1427 u8 cqe_version = ucontext->cqe_version;
1429 if (field_avail(struct mlx5_ib_create_qp, uidx, inlen) &&
1430 !cqe_version && (ucmd->uidx == MLX5_IB_DEFAULT_UIDX))
1433 if (!!(field_avail(struct mlx5_ib_create_qp, uidx, inlen) !=
1437 return verify_assign_uidx(cqe_version, ucmd->uidx, user_index);
1440 static inline int get_srq_user_index(struct mlx5_ib_ucontext *ucontext,
1441 struct mlx5_ib_create_srq *ucmd,
1445 u8 cqe_version = ucontext->cqe_version;
1447 if (field_avail(struct mlx5_ib_create_srq, uidx, inlen) &&
1448 !cqe_version && (ucmd->uidx == MLX5_IB_DEFAULT_UIDX))
1451 if (!!(field_avail(struct mlx5_ib_create_srq, uidx, inlen) !=
1455 return verify_assign_uidx(cqe_version, ucmd->uidx, user_index);
1458 static inline int get_uars_per_sys_page(struct mlx5_ib_dev *dev, bool lib_support)
1460 return lib_support && MLX5_CAP_GEN(dev->mdev, uar_4k) ?
1461 MLX5_UARS_IN_PAGE : 1;
1464 static inline int get_num_static_uars(struct mlx5_ib_dev *dev,
1465 struct mlx5_bfreg_info *bfregi)
1467 return get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * bfregi->num_static_sys_pages;
1470 unsigned long mlx5_ib_get_xlt_emergency_page(void);
1471 void mlx5_ib_put_xlt_emergency_page(void);
1473 int bfregn_to_uar_index(struct mlx5_ib_dev *dev,
1474 struct mlx5_bfreg_info *bfregi, u32 bfregn,
1477 int mlx5_ib_qp_set_counter(struct ib_qp *qp, struct rdma_counter *counter);
1478 #endif /* MLX5_IB_H */