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 /* Store signature errors */
437 struct list_head qps_list;
438 struct list_head cq_recv_list;
439 struct list_head cq_send_list;
440 struct mlx5_rate_limit rl;
443 /* storage for qp sub type when core qp type is IB_QPT_DRIVER */
444 enum ib_qp_type qp_sub_type;
447 struct mlx5_ib_cq_buf {
448 struct mlx5_frag_buf_ctrl fbc;
449 struct mlx5_frag_buf frag_buf;
450 struct ib_umem *umem;
455 enum mlx5_ib_qp_flags {
456 MLX5_IB_QP_LSO = IB_QP_CREATE_IPOIB_UD_LSO,
457 MLX5_IB_QP_BLOCK_MULTICAST_LOOPBACK = IB_QP_CREATE_BLOCK_MULTICAST_LOOPBACK,
458 MLX5_IB_QP_CROSS_CHANNEL = IB_QP_CREATE_CROSS_CHANNEL,
459 MLX5_IB_QP_MANAGED_SEND = IB_QP_CREATE_MANAGED_SEND,
460 MLX5_IB_QP_MANAGED_RECV = IB_QP_CREATE_MANAGED_RECV,
461 MLX5_IB_QP_SIGNATURE_HANDLING = 1 << 5,
462 /* QP uses 1 as its source QP number */
463 MLX5_IB_QP_SQPN_QP1 = 1 << 6,
464 MLX5_IB_QP_CAP_SCATTER_FCS = 1 << 7,
465 MLX5_IB_QP_RSS = 1 << 8,
466 MLX5_IB_QP_CVLAN_STRIPPING = 1 << 9,
467 MLX5_IB_QP_UNDERLAY = 1 << 10,
468 MLX5_IB_QP_PCI_WRITE_END_PADDING = 1 << 11,
469 MLX5_IB_QP_TUNNEL_OFFLOAD = 1 << 12,
470 MLX5_IB_QP_PACKET_BASED_CREDIT = 1 << 13,
474 struct ib_send_wr wr;
478 unsigned int page_shift;
479 unsigned int xlt_size;
485 static inline const struct mlx5_umr_wr *umr_wr(const struct ib_send_wr *wr)
487 return container_of(wr, struct mlx5_umr_wr, wr);
490 struct mlx5_shared_mr_info {
492 struct ib_umem *umem;
495 enum mlx5_ib_cq_pr_flags {
496 MLX5_IB_CQ_PR_FLAGS_CQE_128_PAD = 1 << 0,
501 struct mlx5_core_cq mcq;
502 struct mlx5_ib_cq_buf buf;
505 /* serialize access to the CQ
511 struct mutex resize_mutex;
512 struct mlx5_ib_cq_buf *resize_buf;
513 struct ib_umem *resize_umem;
515 struct list_head list_send_qp;
516 struct list_head list_recv_qp;
518 struct list_head wc_list;
519 enum ib_cq_notify_flags notify_flags;
520 struct work_struct notify_work;
521 u16 private_flags; /* Use mlx5_ib_cq_pr_flags */
526 struct list_head list;
531 struct mlx5_core_srq msrq;
532 struct mlx5_frag_buf buf;
534 struct mlx5_frag_buf_ctrl fbc;
536 /* protect SRQ hanlding
542 struct ib_umem *umem;
543 /* serialize arming a SRQ
549 struct mlx5_ib_xrcd {
550 struct ib_xrcd ibxrcd;
554 enum mlx5_ib_mtt_access_flags {
555 MLX5_IB_MTT_READ = (1 << 0),
556 MLX5_IB_MTT_WRITE = (1 << 1),
561 phys_addr_t dev_addr;
568 /* other dm types specific params should be added here */
572 #define MLX5_IB_MTT_PRESENT (MLX5_IB_MTT_READ | MLX5_IB_MTT_WRITE)
574 #define MLX5_IB_DM_MEMIC_ALLOWED_ACCESS (IB_ACCESS_LOCAL_WRITE |\
575 IB_ACCESS_REMOTE_WRITE |\
576 IB_ACCESS_REMOTE_READ |\
577 IB_ACCESS_REMOTE_ATOMIC |\
580 #define MLX5_IB_DM_SW_ICM_ALLOWED_ACCESS (IB_ACCESS_LOCAL_WRITE |\
581 IB_ACCESS_REMOTE_WRITE |\
582 IB_ACCESS_REMOTE_READ |\
593 struct mlx5_core_mkey mmkey;
594 struct ib_umem *umem;
595 struct mlx5_shared_mr_info *smr_info;
596 struct list_head list;
598 bool allocated_from_cache;
600 struct mlx5_ib_dev *dev;
601 u32 out[MLX5_ST_SZ_DW(create_mkey_out)];
602 struct mlx5_core_sig_ctx *sig;
605 int access_flags; /* Needed for rereg MR */
607 struct mlx5_ib_mr *parent;
608 atomic_t num_leaf_free;
609 wait_queue_head_t q_leaf_free;
610 struct mlx5_async_work cb_work;
611 atomic_t num_pending_prefetch;
614 static inline bool is_odp_mr(struct mlx5_ib_mr *mr)
616 return IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING) && mr->umem &&
622 struct mlx5_core_mkey mmkey;
626 struct mlx5_ib_devx_mr {
627 struct mlx5_core_mkey mmkey;
632 struct mlx5_ib_umr_context {
634 enum ib_wc_status status;
635 struct completion done;
642 /* control access to UMR QP
644 struct semaphore sem;
653 struct mlx5_cache_ent {
654 struct list_head head;
655 /* sync access to the cahce entry
671 struct mlx5_ib_dev *dev;
672 struct work_struct work;
673 struct delayed_work dwork;
675 struct completion compl;
678 struct mlx5_mr_cache {
679 struct workqueue_struct *wq;
680 struct mlx5_cache_ent ent[MAX_MR_CACHE_ENTRIES];
683 unsigned long last_add;
686 struct mlx5_ib_gsi_qp;
688 struct mlx5_ib_port_resources {
689 struct mlx5_ib_resources *devr;
690 struct mlx5_ib_gsi_qp *gsi;
691 struct work_struct pkey_change_work;
694 struct mlx5_ib_resources {
701 struct mlx5_ib_port_resources ports[2];
702 /* Protects changes to the port resources */
706 struct mlx5_ib_counters {
710 u32 num_cong_counters;
711 u32 num_ext_ppcnt_counters;
716 struct mlx5_ib_multiport_info;
718 struct mlx5_ib_multiport {
719 struct mlx5_ib_multiport_info *mpi;
720 /* To be held when accessing the multiport info */
725 /* Protect mlx5_ib_get_netdev from invoking dev_hold() with a NULL
728 rwlock_t netdev_lock;
729 struct net_device *netdev;
730 struct notifier_block nb;
731 atomic_t tx_port_affinity;
732 enum ib_port_state last_port_state;
733 struct mlx5_ib_dev *dev;
737 struct mlx5_ib_port {
738 struct mlx5_ib_counters cnts;
739 struct mlx5_ib_multiport mp;
740 struct mlx5_ib_dbg_cc_params *dbg_cc_params;
741 struct mlx5_roce roce;
742 struct mlx5_eswitch_rep *rep;
745 struct mlx5_ib_dbg_param {
747 struct mlx5_ib_dev *dev;
748 struct dentry *dentry;
752 enum mlx5_ib_dbg_cc_types {
753 MLX5_IB_DBG_CC_RP_CLAMP_TGT_RATE,
754 MLX5_IB_DBG_CC_RP_CLAMP_TGT_RATE_ATI,
755 MLX5_IB_DBG_CC_RP_TIME_RESET,
756 MLX5_IB_DBG_CC_RP_BYTE_RESET,
757 MLX5_IB_DBG_CC_RP_THRESHOLD,
758 MLX5_IB_DBG_CC_RP_AI_RATE,
759 MLX5_IB_DBG_CC_RP_HAI_RATE,
760 MLX5_IB_DBG_CC_RP_MIN_DEC_FAC,
761 MLX5_IB_DBG_CC_RP_MIN_RATE,
762 MLX5_IB_DBG_CC_RP_RATE_TO_SET_ON_FIRST_CNP,
763 MLX5_IB_DBG_CC_RP_DCE_TCP_G,
764 MLX5_IB_DBG_CC_RP_DCE_TCP_RTT,
765 MLX5_IB_DBG_CC_RP_RATE_REDUCE_MONITOR_PERIOD,
766 MLX5_IB_DBG_CC_RP_INITIAL_ALPHA_VALUE,
767 MLX5_IB_DBG_CC_RP_GD,
768 MLX5_IB_DBG_CC_NP_CNP_DSCP,
769 MLX5_IB_DBG_CC_NP_CNP_PRIO_MODE,
770 MLX5_IB_DBG_CC_NP_CNP_PRIO,
774 struct mlx5_ib_dbg_cc_params {
776 struct mlx5_ib_dbg_param params[MLX5_IB_DBG_CC_MAX];
780 MLX5_MAX_DELAY_DROP_TIMEOUT_MS = 100,
783 struct mlx5_ib_dbg_delay_drop {
784 struct dentry *dir_debugfs;
785 struct dentry *rqs_cnt_debugfs;
786 struct dentry *events_cnt_debugfs;
787 struct dentry *timeout_debugfs;
790 struct mlx5_ib_delay_drop {
791 struct mlx5_ib_dev *dev;
792 struct work_struct delay_drop_work;
793 /* serialize setting of delay drop */
799 struct mlx5_ib_dbg_delay_drop *dbg;
802 enum mlx5_ib_stages {
804 MLX5_IB_STAGE_FLOW_DB,
806 MLX5_IB_STAGE_NON_DEFAULT_CB,
809 MLX5_IB_STAGE_DEVICE_RESOURCES,
810 MLX5_IB_STAGE_DEVICE_NOTIFIER,
812 MLX5_IB_STAGE_COUNTERS,
813 MLX5_IB_STAGE_CONG_DEBUGFS,
816 MLX5_IB_STAGE_PRE_IB_REG_UMR,
817 MLX5_IB_STAGE_WHITELIST_UID,
818 MLX5_IB_STAGE_IB_REG,
819 MLX5_IB_STAGE_POST_IB_REG_UMR,
820 MLX5_IB_STAGE_DELAY_DROP,
821 MLX5_IB_STAGE_CLASS_ATTR,
825 struct mlx5_ib_stage {
826 int (*init)(struct mlx5_ib_dev *dev);
827 void (*cleanup)(struct mlx5_ib_dev *dev);
830 #define STAGE_CREATE(_stage, _init, _cleanup) \
831 .stage[_stage] = {.init = _init, .cleanup = _cleanup}
833 struct mlx5_ib_profile {
834 struct mlx5_ib_stage stage[MLX5_IB_STAGE_MAX];
837 struct mlx5_ib_multiport_info {
838 struct list_head list;
839 struct mlx5_ib_dev *ibdev;
840 struct mlx5_core_dev *mdev;
841 struct notifier_block mdev_events;
842 struct completion unref_comp;
849 struct mlx5_ib_flow_action {
850 struct ib_flow_action ib_action;
854 struct mlx5_accel_esp_xfrm *ctx;
857 struct mlx5_ib_dev *dev;
865 struct mlx5_core_dev *dev;
866 /* This lock is used to protect the access to the shared
867 * allocation map when concurrent requests by different
868 * processes are handled.
871 DECLARE_BITMAP(memic_alloc_pages, MLX5_MAX_MEMIC_PAGES);
872 unsigned long *steering_sw_icm_alloc_blocks;
873 unsigned long *header_modify_sw_icm_alloc_blocks;
876 struct mlx5_read_counters_attr {
877 struct mlx5_fc *hw_cntrs_hndl;
882 enum mlx5_ib_counters_type {
883 MLX5_IB_COUNTERS_FLOW,
886 struct mlx5_ib_mcounters {
887 struct ib_counters ibcntrs;
888 enum mlx5_ib_counters_type type;
889 /* number of counters supported for this counters type */
891 struct mlx5_fc *hw_cntrs_hndl;
892 /* read function for this counters type */
893 int (*read_counters)(struct ib_device *ibdev,
894 struct mlx5_read_counters_attr *read_attr);
895 /* max index set as part of create_flow */
897 /* number of counters data entries (<description,index> pair) */
899 /* counters data array for descriptions and indexes */
900 struct mlx5_ib_flow_counters_desc *counters_data;
901 /* protects access to mcounters internal data */
902 struct mutex mcntrs_mutex;
905 static inline struct mlx5_ib_mcounters *
906 to_mcounters(struct ib_counters *ibcntrs)
908 return container_of(ibcntrs, struct mlx5_ib_mcounters, ibcntrs);
911 int parse_flow_flow_action(struct mlx5_ib_flow_action *maction,
913 struct mlx5_flow_act *action);
914 struct mlx5_ib_lb_state {
915 /* protect the user_td */
922 struct mlx5_ib_pf_eq {
923 struct mlx5_ib_dev *dev;
924 struct mlx5_eq *core;
925 struct work_struct work;
926 spinlock_t lock; /* Pagefaults spinlock */
927 struct workqueue_struct *wq;
932 struct ib_device ib_dev;
933 struct mlx5_core_dev *mdev;
934 struct notifier_block mdev_events;
936 /* serialize update of capability mask
938 struct mutex cap_mask_mutex;
940 struct umr_common umrc;
941 /* sync used page count stats
943 struct mlx5_ib_resources devr;
944 struct mlx5_mr_cache cache;
945 struct timer_list delay_timer;
946 /* Prevents soft lock on massive reg MRs */
947 struct mutex slow_path_mutex;
949 struct ib_odp_caps odp_caps;
951 struct mlx5_ib_pf_eq odp_pf_eq;
954 * Sleepable RCU that prevents destruction of MRs while they are still
955 * being used by a page fault handler.
957 struct srcu_struct mr_srcu;
959 struct mlx5_ib_flow_db *flow_db;
960 /* protect resources needed as part of reset flow */
961 spinlock_t reset_flow_resource_lock;
962 struct list_head qp_list;
963 /* Array with num_ports elements */
964 struct mlx5_ib_port *port;
965 struct mlx5_sq_bfreg bfreg;
966 struct mlx5_sq_bfreg fp_bfreg;
967 struct mlx5_ib_delay_drop delay_drop;
968 const struct mlx5_ib_profile *profile;
972 struct mlx5_ib_lb_state lb;
974 struct list_head ib_dev_list;
977 u16 devx_whitelist_uid;
978 struct mlx5_srq_table srq_table;
979 struct mlx5_async_ctx async_ctx;
983 static inline struct mlx5_ib_cq *to_mibcq(struct mlx5_core_cq *mcq)
985 return container_of(mcq, struct mlx5_ib_cq, mcq);
988 static inline struct mlx5_ib_xrcd *to_mxrcd(struct ib_xrcd *ibxrcd)
990 return container_of(ibxrcd, struct mlx5_ib_xrcd, ibxrcd);
993 static inline struct mlx5_ib_dev *to_mdev(struct ib_device *ibdev)
995 return container_of(ibdev, struct mlx5_ib_dev, ib_dev);
998 static inline struct mlx5_ib_dev *mlx5_udata_to_mdev(struct ib_udata *udata)
1000 struct mlx5_ib_ucontext *context = rdma_udata_to_drv_context(
1001 udata, struct mlx5_ib_ucontext, ibucontext);
1003 return to_mdev(context->ibucontext.device);
1006 static inline struct mlx5_ib_cq *to_mcq(struct ib_cq *ibcq)
1008 return container_of(ibcq, struct mlx5_ib_cq, ibcq);
1011 static inline struct mlx5_ib_qp *to_mibqp(struct mlx5_core_qp *mqp)
1013 return container_of(mqp, struct mlx5_ib_qp_base, mqp)->container_mibqp;
1016 static inline struct mlx5_ib_rwq *to_mibrwq(struct mlx5_core_qp *core_qp)
1018 return container_of(core_qp, struct mlx5_ib_rwq, core_qp);
1021 static inline struct mlx5_ib_mr *to_mibmr(struct mlx5_core_mkey *mmkey)
1023 return container_of(mmkey, struct mlx5_ib_mr, mmkey);
1026 static inline struct mlx5_ib_pd *to_mpd(struct ib_pd *ibpd)
1028 return container_of(ibpd, struct mlx5_ib_pd, ibpd);
1031 static inline struct mlx5_ib_srq *to_msrq(struct ib_srq *ibsrq)
1033 return container_of(ibsrq, struct mlx5_ib_srq, ibsrq);
1036 static inline struct mlx5_ib_qp *to_mqp(struct ib_qp *ibqp)
1038 return container_of(ibqp, struct mlx5_ib_qp, ibqp);
1041 static inline struct mlx5_ib_rwq *to_mrwq(struct ib_wq *ibwq)
1043 return container_of(ibwq, struct mlx5_ib_rwq, ibwq);
1046 static inline struct mlx5_ib_rwq_ind_table *to_mrwq_ind_table(struct ib_rwq_ind_table *ib_rwq_ind_tbl)
1048 return container_of(ib_rwq_ind_tbl, struct mlx5_ib_rwq_ind_table, ib_rwq_ind_tbl);
1051 static inline struct mlx5_ib_srq *to_mibsrq(struct mlx5_core_srq *msrq)
1053 return container_of(msrq, struct mlx5_ib_srq, msrq);
1056 static inline struct mlx5_ib_dm *to_mdm(struct ib_dm *ibdm)
1058 return container_of(ibdm, struct mlx5_ib_dm, ibdm);
1061 static inline struct mlx5_ib_mr *to_mmr(struct ib_mr *ibmr)
1063 return container_of(ibmr, struct mlx5_ib_mr, ibmr);
1066 static inline struct mlx5_ib_mw *to_mmw(struct ib_mw *ibmw)
1068 return container_of(ibmw, struct mlx5_ib_mw, ibmw);
1071 static inline struct mlx5_ib_flow_action *
1072 to_mflow_act(struct ib_flow_action *ibact)
1074 return container_of(ibact, struct mlx5_ib_flow_action, ib_action);
1077 int mlx5_ib_db_map_user(struct mlx5_ib_ucontext *context,
1078 struct ib_udata *udata, unsigned long virt,
1079 struct mlx5_db *db);
1080 void mlx5_ib_db_unmap_user(struct mlx5_ib_ucontext *context, struct mlx5_db *db);
1081 void __mlx5_ib_cq_clean(struct mlx5_ib_cq *cq, u32 qpn, struct mlx5_ib_srq *srq);
1082 void mlx5_ib_cq_clean(struct mlx5_ib_cq *cq, u32 qpn, struct mlx5_ib_srq *srq);
1083 void mlx5_ib_free_srq_wqe(struct mlx5_ib_srq *srq, int wqe_index);
1084 int mlx5_ib_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags,
1085 struct ib_udata *udata);
1086 int mlx5_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
1087 void mlx5_ib_destroy_ah(struct ib_ah *ah, u32 flags);
1088 int mlx5_ib_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr,
1089 struct ib_udata *udata);
1090 int mlx5_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
1091 enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
1092 int mlx5_ib_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr);
1093 void mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
1094 int mlx5_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
1095 const struct ib_recv_wr **bad_wr);
1096 int mlx5_ib_enable_lb(struct mlx5_ib_dev *dev, bool td, bool qp);
1097 void mlx5_ib_disable_lb(struct mlx5_ib_dev *dev, bool td, bool qp);
1098 struct ib_qp *mlx5_ib_create_qp(struct ib_pd *pd,
1099 struct ib_qp_init_attr *init_attr,
1100 struct ib_udata *udata);
1101 int mlx5_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
1102 int attr_mask, struct ib_udata *udata);
1103 int mlx5_ib_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *qp_attr, int qp_attr_mask,
1104 struct ib_qp_init_attr *qp_init_attr);
1105 int mlx5_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
1106 void mlx5_ib_drain_sq(struct ib_qp *qp);
1107 void mlx5_ib_drain_rq(struct ib_qp *qp);
1108 int mlx5_ib_post_send(struct ib_qp *ibqp, const struct ib_send_wr *wr,
1109 const struct ib_send_wr **bad_wr);
1110 int mlx5_ib_post_recv(struct ib_qp *ibqp, const struct ib_recv_wr *wr,
1111 const struct ib_recv_wr **bad_wr);
1112 int mlx5_ib_read_user_wqe_sq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer,
1113 int buflen, size_t *bc);
1114 int mlx5_ib_read_user_wqe_rq(struct mlx5_ib_qp *qp, int wqe_index, void *buffer,
1115 int buflen, size_t *bc);
1116 int mlx5_ib_read_user_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index,
1117 void *buffer, int buflen, size_t *bc);
1118 struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev,
1119 const struct ib_cq_init_attr *attr,
1120 struct ib_udata *udata);
1121 int mlx5_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
1122 int mlx5_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
1123 int mlx5_ib_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
1124 int mlx5_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
1125 int mlx5_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
1126 struct ib_mr *mlx5_ib_get_dma_mr(struct ib_pd *pd, int acc);
1127 struct ib_mr *mlx5_ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
1128 u64 virt_addr, int access_flags,
1129 struct ib_udata *udata);
1130 int mlx5_ib_advise_mr(struct ib_pd *pd,
1131 enum ib_uverbs_advise_mr_advice advice,
1133 struct ib_sge *sg_list,
1135 struct uverbs_attr_bundle *attrs);
1136 struct ib_mw *mlx5_ib_alloc_mw(struct ib_pd *pd, enum ib_mw_type type,
1137 struct ib_udata *udata);
1138 int mlx5_ib_dealloc_mw(struct ib_mw *mw);
1139 int mlx5_ib_update_xlt(struct mlx5_ib_mr *mr, u64 idx, int npages,
1140 int page_shift, int flags);
1141 struct mlx5_ib_mr *mlx5_ib_alloc_implicit_mr(struct mlx5_ib_pd *pd,
1142 struct ib_udata *udata,
1144 void mlx5_ib_free_implicit_mr(struct mlx5_ib_mr *mr);
1145 int mlx5_ib_rereg_user_mr(struct ib_mr *ib_mr, int flags, u64 start,
1146 u64 length, u64 virt_addr, int access_flags,
1147 struct ib_pd *pd, struct ib_udata *udata);
1148 int mlx5_ib_dereg_mr(struct ib_mr *ibmr, struct ib_udata *udata);
1149 struct ib_mr *mlx5_ib_alloc_mr(struct ib_pd *pd, enum ib_mr_type mr_type,
1150 u32 max_num_sg, struct ib_udata *udata);
1151 int mlx5_ib_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg, int sg_nents,
1152 unsigned int *sg_offset);
1153 int mlx5_ib_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
1154 const struct ib_wc *in_wc, const struct ib_grh *in_grh,
1155 const struct ib_mad_hdr *in, size_t in_mad_size,
1156 struct ib_mad_hdr *out, size_t *out_mad_size,
1157 u16 *out_mad_pkey_index);
1158 struct ib_xrcd *mlx5_ib_alloc_xrcd(struct ib_device *ibdev,
1159 struct ib_udata *udata);
1160 int mlx5_ib_dealloc_xrcd(struct ib_xrcd *xrcd, struct ib_udata *udata);
1161 int mlx5_ib_get_buf_offset(u64 addr, int page_shift, u32 *offset);
1162 int mlx5_query_ext_port_caps(struct mlx5_ib_dev *dev, u8 port);
1163 int mlx5_query_mad_ifc_smp_attr_node_info(struct ib_device *ibdev,
1164 struct ib_smp *out_mad);
1165 int mlx5_query_mad_ifc_system_image_guid(struct ib_device *ibdev,
1166 __be64 *sys_image_guid);
1167 int mlx5_query_mad_ifc_max_pkeys(struct ib_device *ibdev,
1169 int mlx5_query_mad_ifc_vendor_id(struct ib_device *ibdev,
1171 int mlx5_query_mad_ifc_node_desc(struct mlx5_ib_dev *dev, char *node_desc);
1172 int mlx5_query_mad_ifc_node_guid(struct mlx5_ib_dev *dev, __be64 *node_guid);
1173 int mlx5_query_mad_ifc_pkey(struct ib_device *ibdev, u8 port, u16 index,
1175 int mlx5_query_mad_ifc_gids(struct ib_device *ibdev, u8 port, int index,
1177 int mlx5_query_mad_ifc_port(struct ib_device *ibdev, u8 port,
1178 struct ib_port_attr *props);
1179 int mlx5_ib_query_port(struct ib_device *ibdev, u8 port,
1180 struct ib_port_attr *props);
1181 int mlx5_ib_init_fmr(struct mlx5_ib_dev *dev);
1182 void mlx5_ib_cleanup_fmr(struct mlx5_ib_dev *dev);
1183 void mlx5_ib_cont_pages(struct ib_umem *umem, u64 addr,
1184 unsigned long max_page_shift,
1185 int *count, int *shift,
1186 int *ncont, int *order);
1187 void __mlx5_ib_populate_pas(struct mlx5_ib_dev *dev, struct ib_umem *umem,
1188 int page_shift, size_t offset, size_t num_pages,
1189 __be64 *pas, int access_flags);
1190 void mlx5_ib_populate_pas(struct mlx5_ib_dev *dev, struct ib_umem *umem,
1191 int page_shift, __be64 *pas, int access_flags);
1192 void mlx5_ib_copy_pas(u64 *old, u64 *new, int step, int num);
1193 int mlx5_ib_get_cqe_size(struct ib_cq *ibcq);
1194 int mlx5_mr_cache_init(struct mlx5_ib_dev *dev);
1195 int mlx5_mr_cache_cleanup(struct mlx5_ib_dev *dev);
1197 struct mlx5_ib_mr *mlx5_mr_cache_alloc(struct mlx5_ib_dev *dev, int entry);
1198 void mlx5_mr_cache_free(struct mlx5_ib_dev *dev, struct mlx5_ib_mr *mr);
1199 int mlx5_ib_check_mr_status(struct ib_mr *ibmr, u32 check_mask,
1200 struct ib_mr_status *mr_status);
1201 struct ib_wq *mlx5_ib_create_wq(struct ib_pd *pd,
1202 struct ib_wq_init_attr *init_attr,
1203 struct ib_udata *udata);
1204 int mlx5_ib_destroy_wq(struct ib_wq *wq, struct ib_udata *udata);
1205 int mlx5_ib_modify_wq(struct ib_wq *wq, struct ib_wq_attr *wq_attr,
1206 u32 wq_attr_mask, struct ib_udata *udata);
1207 struct ib_rwq_ind_table *mlx5_ib_create_rwq_ind_table(struct ib_device *device,
1208 struct ib_rwq_ind_table_init_attr *init_attr,
1209 struct ib_udata *udata);
1210 int mlx5_ib_destroy_rwq_ind_table(struct ib_rwq_ind_table *wq_ind_table);
1211 bool mlx5_ib_dc_atomic_is_supported(struct mlx5_ib_dev *dev);
1212 struct ib_dm *mlx5_ib_alloc_dm(struct ib_device *ibdev,
1213 struct ib_ucontext *context,
1214 struct ib_dm_alloc_attr *attr,
1215 struct uverbs_attr_bundle *attrs);
1216 int mlx5_ib_dealloc_dm(struct ib_dm *ibdm, struct uverbs_attr_bundle *attrs);
1217 struct ib_mr *mlx5_ib_reg_dm_mr(struct ib_pd *pd, struct ib_dm *dm,
1218 struct ib_dm_mr_attr *attr,
1219 struct uverbs_attr_bundle *attrs);
1221 #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING
1222 void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev);
1223 int mlx5_ib_odp_init_one(struct mlx5_ib_dev *ibdev);
1224 void mlx5_ib_odp_cleanup_one(struct mlx5_ib_dev *ibdev);
1225 int __init mlx5_ib_odp_init(void);
1226 void mlx5_ib_odp_cleanup(void);
1227 void mlx5_ib_invalidate_range(struct ib_umem_odp *umem_odp, unsigned long start,
1229 void mlx5_odp_init_mr_cache_entry(struct mlx5_cache_ent *ent);
1230 void mlx5_odp_populate_klm(struct mlx5_klm *pklm, size_t offset,
1231 size_t nentries, struct mlx5_ib_mr *mr, int flags);
1233 int mlx5_ib_advise_mr_prefetch(struct ib_pd *pd,
1234 enum ib_uverbs_advise_mr_advice advice,
1235 u32 flags, struct ib_sge *sg_list, u32 num_sge);
1236 #else /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */
1237 static inline void mlx5_ib_internal_fill_odp_caps(struct mlx5_ib_dev *dev)
1242 static inline int mlx5_ib_odp_init_one(struct mlx5_ib_dev *ibdev) { return 0; }
1243 static inline void mlx5_ib_odp_cleanup_one(struct mlx5_ib_dev *ibdev) {}
1244 static inline int mlx5_ib_odp_init(void) { return 0; }
1245 static inline void mlx5_ib_odp_cleanup(void) {}
1246 static inline void mlx5_odp_init_mr_cache_entry(struct mlx5_cache_ent *ent) {}
1247 static inline void mlx5_odp_populate_klm(struct mlx5_klm *pklm, size_t offset,
1248 size_t nentries, struct mlx5_ib_mr *mr,
1252 mlx5_ib_advise_mr_prefetch(struct ib_pd *pd,
1253 enum ib_uverbs_advise_mr_advice advice, u32 flags,
1254 struct ib_sge *sg_list, u32 num_sge)
1258 static inline void mlx5_ib_invalidate_range(struct ib_umem_odp *umem_odp,
1259 unsigned long start,
1260 unsigned long end){};
1261 #endif /* CONFIG_INFINIBAND_ON_DEMAND_PAGING */
1263 /* Needed for rep profile */
1264 void __mlx5_ib_remove(struct mlx5_ib_dev *dev,
1265 const struct mlx5_ib_profile *profile,
1267 void *__mlx5_ib_add(struct mlx5_ib_dev *dev,
1268 const struct mlx5_ib_profile *profile);
1270 int mlx5_ib_get_vf_config(struct ib_device *device, int vf,
1271 u8 port, struct ifla_vf_info *info);
1272 int mlx5_ib_set_vf_link_state(struct ib_device *device, int vf,
1273 u8 port, int state);
1274 int mlx5_ib_get_vf_stats(struct ib_device *device, int vf,
1275 u8 port, struct ifla_vf_stats *stats);
1276 int mlx5_ib_set_vf_guid(struct ib_device *device, int vf, u8 port,
1277 u64 guid, int type);
1279 __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev,
1280 const struct ib_gid_attr *attr);
1282 void mlx5_ib_cleanup_cong_debugfs(struct mlx5_ib_dev *dev, u8 port_num);
1283 void mlx5_ib_init_cong_debugfs(struct mlx5_ib_dev *dev, u8 port_num);
1285 /* GSI QP helper functions */
1286 struct ib_qp *mlx5_ib_gsi_create_qp(struct ib_pd *pd,
1287 struct ib_qp_init_attr *init_attr);
1288 int mlx5_ib_gsi_destroy_qp(struct ib_qp *qp);
1289 int mlx5_ib_gsi_modify_qp(struct ib_qp *qp, struct ib_qp_attr *attr,
1291 int mlx5_ib_gsi_query_qp(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
1293 struct ib_qp_init_attr *qp_init_attr);
1294 int mlx5_ib_gsi_post_send(struct ib_qp *qp, const struct ib_send_wr *wr,
1295 const struct ib_send_wr **bad_wr);
1296 int mlx5_ib_gsi_post_recv(struct ib_qp *qp, const struct ib_recv_wr *wr,
1297 const struct ib_recv_wr **bad_wr);
1298 void mlx5_ib_gsi_pkey_change(struct mlx5_ib_gsi_qp *gsi);
1300 int mlx5_ib_generate_wc(struct ib_cq *ibcq, struct ib_wc *wc);
1302 void mlx5_ib_free_bfreg(struct mlx5_ib_dev *dev, struct mlx5_bfreg_info *bfregi,
1304 struct mlx5_ib_dev *mlx5_ib_get_ibdev_from_mpi(struct mlx5_ib_multiport_info *mpi);
1305 struct mlx5_core_dev *mlx5_ib_get_native_port_mdev(struct mlx5_ib_dev *dev,
1307 u8 *native_port_num);
1308 void mlx5_ib_put_native_port_mdev(struct mlx5_ib_dev *dev,
1311 #if IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)
1312 int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, bool is_user);
1313 void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid);
1314 const struct uverbs_object_tree_def *mlx5_ib_get_devx_tree(void);
1315 extern const struct uapi_definition mlx5_ib_devx_defs[];
1316 extern const struct uapi_definition mlx5_ib_flow_defs[];
1317 struct mlx5_ib_flow_handler *mlx5_ib_raw_fs_rule_add(
1318 struct mlx5_ib_dev *dev, struct mlx5_ib_flow_matcher *fs_matcher,
1319 struct mlx5_flow_act *flow_act, u32 counter_id,
1320 void *cmd_in, int inlen, int dest_id, int dest_type);
1321 bool mlx5_ib_devx_is_flow_dest(void *obj, int *dest_id, int *dest_type);
1322 bool mlx5_ib_devx_is_flow_counter(void *obj, u32 *counter_id);
1323 int mlx5_ib_get_flow_trees(const struct uverbs_object_tree_def **root);
1324 void mlx5_ib_destroy_flow_action_raw(struct mlx5_ib_flow_action *maction);
1327 mlx5_ib_devx_create(struct mlx5_ib_dev *dev,
1328 bool is_user) { return -EOPNOTSUPP; }
1329 static inline void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid) {}
1330 static inline bool mlx5_ib_devx_is_flow_dest(void *obj, int *dest_id,
1336 mlx5_ib_destroy_flow_action_raw(struct mlx5_ib_flow_action *maction)
1341 static inline void init_query_mad(struct ib_smp *mad)
1343 mad->base_version = 1;
1344 mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
1345 mad->class_version = 1;
1346 mad->method = IB_MGMT_METHOD_GET;
1349 static inline u8 convert_access(int acc)
1351 return (acc & IB_ACCESS_REMOTE_ATOMIC ? MLX5_PERM_ATOMIC : 0) |
1352 (acc & IB_ACCESS_REMOTE_WRITE ? MLX5_PERM_REMOTE_WRITE : 0) |
1353 (acc & IB_ACCESS_REMOTE_READ ? MLX5_PERM_REMOTE_READ : 0) |
1354 (acc & IB_ACCESS_LOCAL_WRITE ? MLX5_PERM_LOCAL_WRITE : 0) |
1355 MLX5_PERM_LOCAL_READ;
1358 static inline int is_qp1(enum ib_qp_type qp_type)
1360 return qp_type == MLX5_IB_QPT_HW_GSI;
1363 #define MLX5_MAX_UMR_SHIFT 16
1364 #define MLX5_MAX_UMR_PAGES (1 << MLX5_MAX_UMR_SHIFT)
1366 static inline u32 check_cq_create_flags(u32 flags)
1369 * It returns non-zero value for unsupported CQ
1370 * create flags, otherwise it returns zero.
1372 return (flags & ~(IB_UVERBS_CQ_FLAGS_IGNORE_OVERRUN |
1373 IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION));
1376 static inline int verify_assign_uidx(u8 cqe_version, u32 cmd_uidx,
1380 if ((cmd_uidx == MLX5_IB_DEFAULT_UIDX) ||
1381 (cmd_uidx & ~MLX5_USER_ASSIGNED_UIDX_MASK))
1383 *user_index = cmd_uidx;
1385 *user_index = MLX5_IB_DEFAULT_UIDX;
1391 static inline int get_qp_user_index(struct mlx5_ib_ucontext *ucontext,
1392 struct mlx5_ib_create_qp *ucmd,
1396 u8 cqe_version = ucontext->cqe_version;
1398 if (field_avail(struct mlx5_ib_create_qp, uidx, inlen) &&
1399 !cqe_version && (ucmd->uidx == MLX5_IB_DEFAULT_UIDX))
1402 if (!!(field_avail(struct mlx5_ib_create_qp, uidx, inlen) !=
1406 return verify_assign_uidx(cqe_version, ucmd->uidx, user_index);
1409 static inline int get_srq_user_index(struct mlx5_ib_ucontext *ucontext,
1410 struct mlx5_ib_create_srq *ucmd,
1414 u8 cqe_version = ucontext->cqe_version;
1416 if (field_avail(struct mlx5_ib_create_srq, uidx, inlen) &&
1417 !cqe_version && (ucmd->uidx == MLX5_IB_DEFAULT_UIDX))
1420 if (!!(field_avail(struct mlx5_ib_create_srq, uidx, inlen) !=
1424 return verify_assign_uidx(cqe_version, ucmd->uidx, user_index);
1427 static inline int get_uars_per_sys_page(struct mlx5_ib_dev *dev, bool lib_support)
1429 return lib_support && MLX5_CAP_GEN(dev->mdev, uar_4k) ?
1430 MLX5_UARS_IN_PAGE : 1;
1433 static inline int get_num_static_uars(struct mlx5_ib_dev *dev,
1434 struct mlx5_bfreg_info *bfregi)
1436 return get_uars_per_sys_page(dev, bfregi->lib_uar_4k) * bfregi->num_static_sys_pages;
1439 unsigned long mlx5_ib_get_xlt_emergency_page(void);
1440 void mlx5_ib_put_xlt_emergency_page(void);
1442 int bfregn_to_uar_index(struct mlx5_ib_dev *dev,
1443 struct mlx5_bfreg_info *bfregi, u32 bfregn,
1445 #endif /* MLX5_IB_H */