Yishai Hadas | a8b92ca | 2018-06-17 12:59:57 +0300 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB |
| 2 | /* |
| 3 | * Copyright (c) 2018, Mellanox Technologies inc. All rights reserved. |
| 4 | */ |
| 5 | |
| 6 | #include <rdma/ib_user_verbs.h> |
| 7 | #include <rdma/ib_verbs.h> |
| 8 | #include <rdma/uverbs_types.h> |
| 9 | #include <rdma/uverbs_ioctl.h> |
| 10 | #include <rdma/mlx5_user_ioctl_cmds.h> |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 11 | #include <rdma/mlx5_user_ioctl_verbs.h> |
Yishai Hadas | a8b92ca | 2018-06-17 12:59:57 +0300 | [diff] [blame] | 12 | #include <rdma/ib_umem.h> |
Yishai Hadas | 34613eb | 2018-11-26 08:28:35 +0200 | [diff] [blame] | 13 | #include <rdma/uverbs_std_types.h> |
Yishai Hadas | a8b92ca | 2018-06-17 12:59:57 +0300 | [diff] [blame] | 14 | #include <linux/mlx5/driver.h> |
| 15 | #include <linux/mlx5/fs.h> |
| 16 | #include "mlx5_ib.h" |
Leon Romanovsky | 333fbaa | 2020-04-04 10:40:24 +0300 | [diff] [blame] | 17 | #include "qp.h" |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 18 | #include <linux/xarray.h> |
Yishai Hadas | a8b92ca | 2018-06-17 12:59:57 +0300 | [diff] [blame] | 19 | |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 20 | #define UVERBS_MODULE_NAME mlx5_ib |
| 21 | #include <rdma/uverbs_named_ioctl.h> |
| 22 | |
Yishai Hadas | ef1659a | 2019-06-30 19:23:33 +0300 | [diff] [blame] | 23 | static void dispatch_event_fd(struct list_head *fd_list, const void *data); |
| 24 | |
Yishai Hadas | 534fd7a | 2019-01-13 16:01:17 +0200 | [diff] [blame] | 25 | enum devx_obj_flags { |
| 26 | DEVX_OBJ_FLAGS_INDIRECT_MKEY = 1 << 0, |
Yishai Hadas | c5ae195 | 2019-03-06 19:21:42 +0200 | [diff] [blame] | 27 | DEVX_OBJ_FLAGS_DCT = 1 << 1, |
Yishai Hadas | ef1659a | 2019-06-30 19:23:33 +0300 | [diff] [blame] | 28 | DEVX_OBJ_FLAGS_CQ = 1 << 2, |
Yishai Hadas | 534fd7a | 2019-01-13 16:01:17 +0200 | [diff] [blame] | 29 | }; |
| 30 | |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 31 | struct devx_async_data { |
| 32 | struct mlx5_ib_dev *mdev; |
| 33 | struct list_head list; |
Jason Gunthorpe | 93887e6 | 2020-01-08 19:21:55 +0200 | [diff] [blame] | 34 | struct devx_async_cmd_event_file *ev_file; |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 35 | struct mlx5_async_work cb_work; |
| 36 | u16 cmd_out_len; |
| 37 | /* must be last field in this structure */ |
| 38 | struct mlx5_ib_uapi_devx_async_cmd_hdr hdr; |
| 39 | }; |
| 40 | |
Yishai Hadas | 5ec9d8e | 2019-06-30 19:23:32 +0300 | [diff] [blame] | 41 | struct devx_async_event_data { |
| 42 | struct list_head list; /* headed in ev_file->event_list */ |
| 43 | struct mlx5_ib_uapi_devx_async_event_hdr hdr; |
| 44 | }; |
| 45 | |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 46 | /* first level XA value data structure */ |
| 47 | struct devx_event { |
| 48 | struct xarray object_ids; /* second XA level, Key = object id */ |
| 49 | struct list_head unaffiliated_list; |
| 50 | }; |
| 51 | |
| 52 | /* second level XA value data structure */ |
| 53 | struct devx_obj_event { |
| 54 | struct rcu_head rcu; |
| 55 | struct list_head obj_sub_list; |
| 56 | }; |
| 57 | |
| 58 | struct devx_event_subscription { |
| 59 | struct list_head file_list; /* headed in ev_file-> |
| 60 | * subscribed_events_list |
| 61 | */ |
| 62 | struct list_head xa_list; /* headed in devx_event->unaffiliated_list or |
| 63 | * devx_obj_event->obj_sub_list |
| 64 | */ |
| 65 | struct list_head obj_list; /* headed in devx_object */ |
| 66 | struct list_head event_list; /* headed in ev_file->event_list or in |
| 67 | * temp list via subscription |
| 68 | */ |
| 69 | |
| 70 | u8 is_cleaned:1; |
| 71 | u32 xa_key_level1; |
| 72 | u32 xa_key_level2; |
| 73 | struct rcu_head rcu; |
| 74 | u64 cookie; |
| 75 | struct devx_async_event_file *ev_file; |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 76 | struct eventfd_ctx *eventfd; |
| 77 | }; |
| 78 | |
Yishai Hadas | 2afc5e1 | 2019-06-30 19:23:29 +0300 | [diff] [blame] | 79 | struct devx_async_event_file { |
| 80 | struct ib_uobject uobj; |
| 81 | /* Head of events that are subscribed to this FD */ |
| 82 | struct list_head subscribed_events_list; |
| 83 | spinlock_t lock; |
| 84 | wait_queue_head_t poll_wait; |
| 85 | struct list_head event_list; |
| 86 | struct mlx5_ib_dev *dev; |
| 87 | u8 omit_data:1; |
Yishai Hadas | 5ec9d8e | 2019-06-30 19:23:32 +0300 | [diff] [blame] | 88 | u8 is_overflow_err:1; |
| 89 | u8 is_destroyed:1; |
Yishai Hadas | 2afc5e1 | 2019-06-30 19:23:29 +0300 | [diff] [blame] | 90 | }; |
| 91 | |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 92 | #define MLX5_MAX_DESTROY_INBOX_SIZE_DW MLX5_ST_SZ_DW(delete_fte_in) |
| 93 | struct devx_obj { |
Yishai Hadas | ef1659a | 2019-06-30 19:23:33 +0300 | [diff] [blame] | 94 | struct mlx5_ib_dev *ib_dev; |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 95 | u64 obj_id; |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 96 | u32 dinlen; /* destroy inbox length */ |
| 97 | u32 dinbox[MLX5_MAX_DESTROY_INBOX_SIZE_DW]; |
Yishai Hadas | 534fd7a | 2019-01-13 16:01:17 +0200 | [diff] [blame] | 98 | u32 flags; |
Yishai Hadas | c5ae195 | 2019-03-06 19:21:42 +0200 | [diff] [blame] | 99 | union { |
| 100 | struct mlx5_ib_devx_mr devx_mr; |
| 101 | struct mlx5_core_dct core_dct; |
Yishai Hadas | ef1659a | 2019-06-30 19:23:33 +0300 | [diff] [blame] | 102 | struct mlx5_core_cq core_cq; |
Yevgeny Kliteynik | 208d70f | 2019-11-03 16:07:23 +0200 | [diff] [blame] | 103 | u32 flow_counter_bulk_size; |
Yishai Hadas | c5ae195 | 2019-03-06 19:21:42 +0200 | [diff] [blame] | 104 | }; |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 105 | struct list_head event_sub; /* holds devx_event_subscription entries */ |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 106 | }; |
| 107 | |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 108 | struct devx_umem { |
| 109 | struct mlx5_core_dev *mdev; |
| 110 | struct ib_umem *umem; |
| 111 | u32 page_offset; |
| 112 | int page_shift; |
| 113 | int ncont; |
| 114 | u32 dinlen; |
| 115 | u32 dinbox[MLX5_ST_SZ_DW(general_obj_in_cmd_hdr)]; |
| 116 | }; |
| 117 | |
| 118 | struct devx_umem_reg_cmd { |
| 119 | void *in; |
| 120 | u32 inlen; |
| 121 | u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)]; |
| 122 | }; |
| 123 | |
Jason Gunthorpe | 15a1b4b | 2018-11-25 20:51:15 +0200 | [diff] [blame] | 124 | static struct mlx5_ib_ucontext * |
| 125 | devx_ufile2uctx(const struct uverbs_attr_bundle *attrs) |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 126 | { |
Jason Gunthorpe | 15a1b4b | 2018-11-25 20:51:15 +0200 | [diff] [blame] | 127 | return to_mucontext(ib_uverbs_get_ucontext(attrs)); |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 128 | } |
| 129 | |
Yishai Hadas | fb98153 | 2018-11-26 08:28:36 +0200 | [diff] [blame] | 130 | int mlx5_ib_devx_create(struct mlx5_ib_dev *dev, bool is_user) |
Yishai Hadas | a8b92ca | 2018-06-17 12:59:57 +0300 | [diff] [blame] | 131 | { |
| 132 | u32 in[MLX5_ST_SZ_DW(create_uctx_in)] = {0}; |
| 133 | u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0}; |
Yishai Hadas | 6e3722b | 2018-12-19 16:28:15 +0200 | [diff] [blame] | 134 | void *uctx; |
Yishai Hadas | a8b92ca | 2018-06-17 12:59:57 +0300 | [diff] [blame] | 135 | int err; |
Yishai Hadas | 76dc5a8 | 2018-09-20 21:45:19 +0300 | [diff] [blame] | 136 | u16 uid; |
Yishai Hadas | fb98153 | 2018-11-26 08:28:36 +0200 | [diff] [blame] | 137 | u32 cap = 0; |
Yishai Hadas | a8b92ca | 2018-06-17 12:59:57 +0300 | [diff] [blame] | 138 | |
Yishai Hadas | 6e3722b | 2018-12-19 16:28:15 +0200 | [diff] [blame] | 139 | /* 0 means not supported */ |
| 140 | if (!MLX5_CAP_GEN(dev->mdev, log_max_uctx)) |
Yishai Hadas | a8b92ca | 2018-06-17 12:59:57 +0300 | [diff] [blame] | 141 | return -EINVAL; |
| 142 | |
Yishai Hadas | 6e3722b | 2018-12-19 16:28:15 +0200 | [diff] [blame] | 143 | uctx = MLX5_ADDR_OF(create_uctx_in, in, uctx); |
Yishai Hadas | fb98153 | 2018-11-26 08:28:36 +0200 | [diff] [blame] | 144 | if (is_user && capable(CAP_NET_RAW) && |
| 145 | (MLX5_CAP_GEN(dev->mdev, uctx_cap) & MLX5_UCTX_CAP_RAW_TX)) |
| 146 | cap |= MLX5_UCTX_CAP_RAW_TX; |
Ariel Levkovich | 33cde96 | 2019-05-05 17:07:14 +0300 | [diff] [blame] | 147 | if (is_user && capable(CAP_SYS_RAWIO) && |
| 148 | (MLX5_CAP_GEN(dev->mdev, uctx_cap) & |
| 149 | MLX5_UCTX_CAP_INTERNAL_DEV_RES)) |
| 150 | cap |= MLX5_UCTX_CAP_INTERNAL_DEV_RES; |
Yishai Hadas | fb98153 | 2018-11-26 08:28:36 +0200 | [diff] [blame] | 151 | |
Yishai Hadas | 6e3722b | 2018-12-19 16:28:15 +0200 | [diff] [blame] | 152 | MLX5_SET(create_uctx_in, in, opcode, MLX5_CMD_OP_CREATE_UCTX); |
Yishai Hadas | fb98153 | 2018-11-26 08:28:36 +0200 | [diff] [blame] | 153 | MLX5_SET(uctx, uctx, cap, cap); |
Yishai Hadas | a8b92ca | 2018-06-17 12:59:57 +0300 | [diff] [blame] | 154 | |
| 155 | err = mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, sizeof(out)); |
| 156 | if (err) |
| 157 | return err; |
| 158 | |
Yishai Hadas | 76dc5a8 | 2018-09-20 21:45:19 +0300 | [diff] [blame] | 159 | uid = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id); |
| 160 | return uid; |
Yishai Hadas | a8b92ca | 2018-06-17 12:59:57 +0300 | [diff] [blame] | 161 | } |
| 162 | |
Yishai Hadas | 76dc5a8 | 2018-09-20 21:45:19 +0300 | [diff] [blame] | 163 | void mlx5_ib_devx_destroy(struct mlx5_ib_dev *dev, u16 uid) |
Yishai Hadas | a8b92ca | 2018-06-17 12:59:57 +0300 | [diff] [blame] | 164 | { |
Yishai Hadas | 6e3722b | 2018-12-19 16:28:15 +0200 | [diff] [blame] | 165 | u32 in[MLX5_ST_SZ_DW(destroy_uctx_in)] = {0}; |
Yishai Hadas | a8b92ca | 2018-06-17 12:59:57 +0300 | [diff] [blame] | 166 | u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)] = {0}; |
| 167 | |
Yishai Hadas | 6e3722b | 2018-12-19 16:28:15 +0200 | [diff] [blame] | 168 | MLX5_SET(destroy_uctx_in, in, opcode, MLX5_CMD_OP_DESTROY_UCTX); |
| 169 | MLX5_SET(destroy_uctx_in, in, uid, uid); |
Yishai Hadas | a8b92ca | 2018-06-17 12:59:57 +0300 | [diff] [blame] | 170 | |
| 171 | mlx5_cmd_exec(dev->mdev, in, sizeof(in), out, sizeof(out)); |
| 172 | } |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 173 | |
Yishai Hadas | 3226944 | 2018-07-23 15:25:09 +0300 | [diff] [blame] | 174 | bool mlx5_ib_devx_is_flow_dest(void *obj, int *dest_id, int *dest_type) |
| 175 | { |
| 176 | struct devx_obj *devx_obj = obj; |
| 177 | u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, devx_obj->dinbox, opcode); |
| 178 | |
| 179 | switch (opcode) { |
| 180 | case MLX5_CMD_OP_DESTROY_TIR: |
| 181 | *dest_type = MLX5_FLOW_DESTINATION_TYPE_TIR; |
| 182 | *dest_id = MLX5_GET(general_obj_in_cmd_hdr, devx_obj->dinbox, |
| 183 | obj_id); |
| 184 | return true; |
| 185 | |
| 186 | case MLX5_CMD_OP_DESTROY_FLOW_TABLE: |
| 187 | *dest_type = MLX5_FLOW_DESTINATION_TYPE_FLOW_TABLE; |
| 188 | *dest_id = MLX5_GET(destroy_flow_table_in, devx_obj->dinbox, |
| 189 | table_id); |
| 190 | return true; |
| 191 | default: |
| 192 | return false; |
| 193 | } |
| 194 | } |
| 195 | |
Yevgeny Kliteynik | 208d70f | 2019-11-03 16:07:23 +0200 | [diff] [blame] | 196 | bool mlx5_ib_devx_is_flow_counter(void *obj, u32 offset, u32 *counter_id) |
Mark Bloch | bfc5d83 | 2018-11-20 20:31:08 +0200 | [diff] [blame] | 197 | { |
| 198 | struct devx_obj *devx_obj = obj; |
| 199 | u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, devx_obj->dinbox, opcode); |
| 200 | |
| 201 | if (opcode == MLX5_CMD_OP_DEALLOC_FLOW_COUNTER) { |
Yevgeny Kliteynik | 208d70f | 2019-11-03 16:07:23 +0200 | [diff] [blame] | 202 | |
| 203 | if (offset && offset >= devx_obj->flow_counter_bulk_size) |
| 204 | return false; |
| 205 | |
Mark Bloch | bfc5d83 | 2018-11-20 20:31:08 +0200 | [diff] [blame] | 206 | *counter_id = MLX5_GET(dealloc_flow_counter_in, |
| 207 | devx_obj->dinbox, |
| 208 | flow_counter_id); |
Yevgeny Kliteynik | 208d70f | 2019-11-03 16:07:23 +0200 | [diff] [blame] | 209 | *counter_id += offset; |
Mark Bloch | bfc5d83 | 2018-11-20 20:31:08 +0200 | [diff] [blame] | 210 | return true; |
| 211 | } |
| 212 | |
| 213 | return false; |
| 214 | } |
| 215 | |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 216 | static bool is_legacy_unaffiliated_event_num(u16 event_num) |
| 217 | { |
| 218 | switch (event_num) { |
| 219 | case MLX5_EVENT_TYPE_PORT_CHANGE: |
| 220 | return true; |
| 221 | default: |
| 222 | return false; |
| 223 | } |
| 224 | } |
| 225 | |
| 226 | static bool is_legacy_obj_event_num(u16 event_num) |
| 227 | { |
| 228 | switch (event_num) { |
| 229 | case MLX5_EVENT_TYPE_PATH_MIG: |
| 230 | case MLX5_EVENT_TYPE_COMM_EST: |
| 231 | case MLX5_EVENT_TYPE_SQ_DRAINED: |
| 232 | case MLX5_EVENT_TYPE_SRQ_LAST_WQE: |
| 233 | case MLX5_EVENT_TYPE_SRQ_RQ_LIMIT: |
| 234 | case MLX5_EVENT_TYPE_CQ_ERROR: |
| 235 | case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: |
| 236 | case MLX5_EVENT_TYPE_PATH_MIG_FAILED: |
| 237 | case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: |
| 238 | case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: |
| 239 | case MLX5_EVENT_TYPE_SRQ_CATAS_ERROR: |
| 240 | case MLX5_EVENT_TYPE_DCT_DRAINED: |
| 241 | case MLX5_EVENT_TYPE_COMP: |
Yishai Hadas | 972d756 | 2019-08-08 11:43:57 +0300 | [diff] [blame] | 242 | case MLX5_EVENT_TYPE_DCT_KEY_VIOLATION: |
| 243 | case MLX5_EVENT_TYPE_XRQ_ERROR: |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 244 | return true; |
| 245 | default: |
| 246 | return false; |
| 247 | } |
| 248 | } |
| 249 | |
| 250 | static u16 get_legacy_obj_type(u16 opcode) |
| 251 | { |
| 252 | switch (opcode) { |
| 253 | case MLX5_CMD_OP_CREATE_RQ: |
| 254 | return MLX5_EVENT_QUEUE_TYPE_RQ; |
| 255 | case MLX5_CMD_OP_CREATE_QP: |
| 256 | return MLX5_EVENT_QUEUE_TYPE_QP; |
| 257 | case MLX5_CMD_OP_CREATE_SQ: |
| 258 | return MLX5_EVENT_QUEUE_TYPE_SQ; |
| 259 | case MLX5_CMD_OP_CREATE_DCT: |
| 260 | return MLX5_EVENT_QUEUE_TYPE_DCT; |
| 261 | default: |
| 262 | return 0; |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | static u16 get_dec_obj_type(struct devx_obj *obj, u16 event_num) |
| 267 | { |
| 268 | u16 opcode; |
| 269 | |
| 270 | opcode = (obj->obj_id >> 32) & 0xffff; |
| 271 | |
| 272 | if (is_legacy_obj_event_num(event_num)) |
| 273 | return get_legacy_obj_type(opcode); |
| 274 | |
| 275 | switch (opcode) { |
| 276 | case MLX5_CMD_OP_CREATE_GENERAL_OBJECT: |
| 277 | return (obj->obj_id >> 48); |
| 278 | case MLX5_CMD_OP_CREATE_RQ: |
| 279 | return MLX5_OBJ_TYPE_RQ; |
| 280 | case MLX5_CMD_OP_CREATE_QP: |
| 281 | return MLX5_OBJ_TYPE_QP; |
| 282 | case MLX5_CMD_OP_CREATE_SQ: |
| 283 | return MLX5_OBJ_TYPE_SQ; |
| 284 | case MLX5_CMD_OP_CREATE_DCT: |
| 285 | return MLX5_OBJ_TYPE_DCT; |
| 286 | case MLX5_CMD_OP_CREATE_TIR: |
| 287 | return MLX5_OBJ_TYPE_TIR; |
| 288 | case MLX5_CMD_OP_CREATE_TIS: |
| 289 | return MLX5_OBJ_TYPE_TIS; |
| 290 | case MLX5_CMD_OP_CREATE_PSV: |
| 291 | return MLX5_OBJ_TYPE_PSV; |
| 292 | case MLX5_OBJ_TYPE_MKEY: |
| 293 | return MLX5_OBJ_TYPE_MKEY; |
| 294 | case MLX5_CMD_OP_CREATE_RMP: |
| 295 | return MLX5_OBJ_TYPE_RMP; |
| 296 | case MLX5_CMD_OP_CREATE_XRC_SRQ: |
| 297 | return MLX5_OBJ_TYPE_XRC_SRQ; |
| 298 | case MLX5_CMD_OP_CREATE_XRQ: |
| 299 | return MLX5_OBJ_TYPE_XRQ; |
| 300 | case MLX5_CMD_OP_CREATE_RQT: |
| 301 | return MLX5_OBJ_TYPE_RQT; |
| 302 | case MLX5_CMD_OP_ALLOC_FLOW_COUNTER: |
| 303 | return MLX5_OBJ_TYPE_FLOW_COUNTER; |
| 304 | case MLX5_CMD_OP_CREATE_CQ: |
| 305 | return MLX5_OBJ_TYPE_CQ; |
| 306 | default: |
| 307 | return 0; |
| 308 | } |
| 309 | } |
| 310 | |
Yishai Hadas | 5ec9d8e | 2019-06-30 19:23:32 +0300 | [diff] [blame] | 311 | static u16 get_event_obj_type(unsigned long event_type, struct mlx5_eqe *eqe) |
| 312 | { |
| 313 | switch (event_type) { |
| 314 | case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: |
| 315 | case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: |
| 316 | case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: |
| 317 | case MLX5_EVENT_TYPE_SRQ_LAST_WQE: |
| 318 | case MLX5_EVENT_TYPE_PATH_MIG: |
| 319 | case MLX5_EVENT_TYPE_PATH_MIG_FAILED: |
| 320 | case MLX5_EVENT_TYPE_COMM_EST: |
| 321 | case MLX5_EVENT_TYPE_SQ_DRAINED: |
| 322 | case MLX5_EVENT_TYPE_SRQ_RQ_LIMIT: |
| 323 | case MLX5_EVENT_TYPE_SRQ_CATAS_ERROR: |
| 324 | return eqe->data.qp_srq.type; |
| 325 | case MLX5_EVENT_TYPE_CQ_ERROR: |
Yishai Hadas | 972d756 | 2019-08-08 11:43:57 +0300 | [diff] [blame] | 326 | case MLX5_EVENT_TYPE_XRQ_ERROR: |
Yishai Hadas | 5ec9d8e | 2019-06-30 19:23:32 +0300 | [diff] [blame] | 327 | return 0; |
| 328 | case MLX5_EVENT_TYPE_DCT_DRAINED: |
Yishai Hadas | 972d756 | 2019-08-08 11:43:57 +0300 | [diff] [blame] | 329 | case MLX5_EVENT_TYPE_DCT_KEY_VIOLATION: |
Yishai Hadas | 5ec9d8e | 2019-06-30 19:23:32 +0300 | [diff] [blame] | 330 | return MLX5_EVENT_QUEUE_TYPE_DCT; |
| 331 | default: |
| 332 | return MLX5_GET(affiliated_event_header, &eqe->data, obj_type); |
| 333 | } |
| 334 | } |
| 335 | |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 336 | static u32 get_dec_obj_id(u64 obj_id) |
| 337 | { |
| 338 | return (obj_id & 0xffffffff); |
| 339 | } |
| 340 | |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 341 | /* |
| 342 | * As the obj_id in the firmware is not globally unique the object type |
| 343 | * must be considered upon checking for a valid object id. |
| 344 | * For that the opcode of the creator command is encoded as part of the obj_id. |
| 345 | */ |
Yishai Hadas | cd5d20f | 2019-05-14 14:44:11 +0300 | [diff] [blame] | 346 | static u64 get_enc_obj_id(u32 opcode, u32 obj_id) |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 347 | { |
| 348 | return ((u64)opcode << 32) | obj_id; |
| 349 | } |
| 350 | |
Yishai Hadas | 34613eb | 2018-11-26 08:28:35 +0200 | [diff] [blame] | 351 | static u64 devx_get_obj_id(const void *in) |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 352 | { |
| 353 | u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode); |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 354 | u64 obj_id; |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 355 | |
| 356 | switch (opcode) { |
| 357 | case MLX5_CMD_OP_MODIFY_GENERAL_OBJECT: |
| 358 | case MLX5_CMD_OP_QUERY_GENERAL_OBJECT: |
Yishai Hadas | cd5d20f | 2019-05-14 14:44:11 +0300 | [diff] [blame] | 359 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_GENERAL_OBJECT | |
| 360 | MLX5_GET(general_obj_in_cmd_hdr, in, |
| 361 | obj_type) << 16, |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 362 | MLX5_GET(general_obj_in_cmd_hdr, in, |
| 363 | obj_id)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 364 | break; |
| 365 | case MLX5_CMD_OP_QUERY_MKEY: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 366 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_MKEY, |
| 367 | MLX5_GET(query_mkey_in, in, |
| 368 | mkey_index)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 369 | break; |
| 370 | case MLX5_CMD_OP_QUERY_CQ: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 371 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_CQ, |
| 372 | MLX5_GET(query_cq_in, in, cqn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 373 | break; |
| 374 | case MLX5_CMD_OP_MODIFY_CQ: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 375 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_CQ, |
| 376 | MLX5_GET(modify_cq_in, in, cqn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 377 | break; |
| 378 | case MLX5_CMD_OP_QUERY_SQ: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 379 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_SQ, |
| 380 | MLX5_GET(query_sq_in, in, sqn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 381 | break; |
| 382 | case MLX5_CMD_OP_MODIFY_SQ: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 383 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_SQ, |
| 384 | MLX5_GET(modify_sq_in, in, sqn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 385 | break; |
| 386 | case MLX5_CMD_OP_QUERY_RQ: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 387 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_RQ, |
| 388 | MLX5_GET(query_rq_in, in, rqn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 389 | break; |
| 390 | case MLX5_CMD_OP_MODIFY_RQ: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 391 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_RQ, |
| 392 | MLX5_GET(modify_rq_in, in, rqn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 393 | break; |
| 394 | case MLX5_CMD_OP_QUERY_RMP: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 395 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_RMP, |
| 396 | MLX5_GET(query_rmp_in, in, rmpn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 397 | break; |
| 398 | case MLX5_CMD_OP_MODIFY_RMP: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 399 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_RMP, |
| 400 | MLX5_GET(modify_rmp_in, in, rmpn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 401 | break; |
| 402 | case MLX5_CMD_OP_QUERY_RQT: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 403 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_RQT, |
| 404 | MLX5_GET(query_rqt_in, in, rqtn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 405 | break; |
| 406 | case MLX5_CMD_OP_MODIFY_RQT: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 407 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_RQT, |
| 408 | MLX5_GET(modify_rqt_in, in, rqtn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 409 | break; |
| 410 | case MLX5_CMD_OP_QUERY_TIR: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 411 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_TIR, |
| 412 | MLX5_GET(query_tir_in, in, tirn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 413 | break; |
| 414 | case MLX5_CMD_OP_MODIFY_TIR: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 415 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_TIR, |
| 416 | MLX5_GET(modify_tir_in, in, tirn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 417 | break; |
| 418 | case MLX5_CMD_OP_QUERY_TIS: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 419 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_TIS, |
| 420 | MLX5_GET(query_tis_in, in, tisn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 421 | break; |
| 422 | case MLX5_CMD_OP_MODIFY_TIS: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 423 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_TIS, |
| 424 | MLX5_GET(modify_tis_in, in, tisn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 425 | break; |
| 426 | case MLX5_CMD_OP_QUERY_FLOW_TABLE: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 427 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_FLOW_TABLE, |
| 428 | MLX5_GET(query_flow_table_in, in, |
| 429 | table_id)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 430 | break; |
| 431 | case MLX5_CMD_OP_MODIFY_FLOW_TABLE: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 432 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_FLOW_TABLE, |
| 433 | MLX5_GET(modify_flow_table_in, in, |
| 434 | table_id)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 435 | break; |
| 436 | case MLX5_CMD_OP_QUERY_FLOW_GROUP: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 437 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_FLOW_GROUP, |
| 438 | MLX5_GET(query_flow_group_in, in, |
| 439 | group_id)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 440 | break; |
| 441 | case MLX5_CMD_OP_QUERY_FLOW_TABLE_ENTRY: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 442 | obj_id = get_enc_obj_id(MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY, |
| 443 | MLX5_GET(query_fte_in, in, |
| 444 | flow_index)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 445 | break; |
| 446 | case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 447 | obj_id = get_enc_obj_id(MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY, |
| 448 | MLX5_GET(set_fte_in, in, flow_index)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 449 | break; |
| 450 | case MLX5_CMD_OP_QUERY_Q_COUNTER: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 451 | obj_id = get_enc_obj_id(MLX5_CMD_OP_ALLOC_Q_COUNTER, |
| 452 | MLX5_GET(query_q_counter_in, in, |
| 453 | counter_set_id)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 454 | break; |
| 455 | case MLX5_CMD_OP_QUERY_FLOW_COUNTER: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 456 | obj_id = get_enc_obj_id(MLX5_CMD_OP_ALLOC_FLOW_COUNTER, |
| 457 | MLX5_GET(query_flow_counter_in, in, |
| 458 | flow_counter_id)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 459 | break; |
| 460 | case MLX5_CMD_OP_QUERY_MODIFY_HEADER_CONTEXT: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 461 | obj_id = get_enc_obj_id(MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT, |
| 462 | MLX5_GET(general_obj_in_cmd_hdr, in, |
| 463 | obj_id)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 464 | break; |
| 465 | case MLX5_CMD_OP_QUERY_SCHEDULING_ELEMENT: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 466 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_SCHEDULING_ELEMENT, |
| 467 | MLX5_GET(query_scheduling_element_in, |
| 468 | in, scheduling_element_id)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 469 | break; |
| 470 | case MLX5_CMD_OP_MODIFY_SCHEDULING_ELEMENT: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 471 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_SCHEDULING_ELEMENT, |
| 472 | MLX5_GET(modify_scheduling_element_in, |
| 473 | in, scheduling_element_id)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 474 | break; |
| 475 | case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 476 | obj_id = get_enc_obj_id(MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT, |
| 477 | MLX5_GET(add_vxlan_udp_dport_in, in, |
| 478 | vxlan_udp_port)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 479 | break; |
| 480 | case MLX5_CMD_OP_QUERY_L2_TABLE_ENTRY: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 481 | obj_id = get_enc_obj_id(MLX5_CMD_OP_SET_L2_TABLE_ENTRY, |
| 482 | MLX5_GET(query_l2_table_entry_in, in, |
| 483 | table_index)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 484 | break; |
| 485 | case MLX5_CMD_OP_SET_L2_TABLE_ENTRY: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 486 | obj_id = get_enc_obj_id(MLX5_CMD_OP_SET_L2_TABLE_ENTRY, |
| 487 | MLX5_GET(set_l2_table_entry_in, in, |
| 488 | table_index)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 489 | break; |
| 490 | case MLX5_CMD_OP_QUERY_QP: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 491 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_QP, |
| 492 | MLX5_GET(query_qp_in, in, qpn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 493 | break; |
| 494 | case MLX5_CMD_OP_RST2INIT_QP: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 495 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_QP, |
| 496 | MLX5_GET(rst2init_qp_in, in, qpn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 497 | break; |
Mark Zhang | d246a30 | 2020-05-27 16:57:03 +0300 | [diff] [blame] | 498 | case MLX5_CMD_OP_INIT2INIT_QP: |
| 499 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_QP, |
| 500 | MLX5_GET(init2init_qp_in, in, qpn)); |
| 501 | break; |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 502 | case MLX5_CMD_OP_INIT2RTR_QP: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 503 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_QP, |
| 504 | MLX5_GET(init2rtr_qp_in, in, qpn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 505 | break; |
| 506 | case MLX5_CMD_OP_RTR2RTS_QP: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 507 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_QP, |
| 508 | MLX5_GET(rtr2rts_qp_in, in, qpn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 509 | break; |
| 510 | case MLX5_CMD_OP_RTS2RTS_QP: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 511 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_QP, |
| 512 | MLX5_GET(rts2rts_qp_in, in, qpn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 513 | break; |
| 514 | case MLX5_CMD_OP_SQERR2RTS_QP: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 515 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_QP, |
| 516 | MLX5_GET(sqerr2rts_qp_in, in, qpn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 517 | break; |
| 518 | case MLX5_CMD_OP_2ERR_QP: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 519 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_QP, |
| 520 | MLX5_GET(qp_2err_in, in, qpn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 521 | break; |
| 522 | case MLX5_CMD_OP_2RST_QP: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 523 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_QP, |
| 524 | MLX5_GET(qp_2rst_in, in, qpn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 525 | break; |
| 526 | case MLX5_CMD_OP_QUERY_DCT: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 527 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_DCT, |
| 528 | MLX5_GET(query_dct_in, in, dctn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 529 | break; |
| 530 | case MLX5_CMD_OP_QUERY_XRQ: |
Yishai Hadas | 719598c | 2018-11-26 08:28:37 +0200 | [diff] [blame] | 531 | case MLX5_CMD_OP_QUERY_XRQ_DC_PARAMS_ENTRY: |
| 532 | case MLX5_CMD_OP_QUERY_XRQ_ERROR_PARAMS: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 533 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_XRQ, |
| 534 | MLX5_GET(query_xrq_in, in, xrqn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 535 | break; |
| 536 | case MLX5_CMD_OP_QUERY_XRC_SRQ: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 537 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_XRC_SRQ, |
| 538 | MLX5_GET(query_xrc_srq_in, in, |
| 539 | xrc_srqn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 540 | break; |
| 541 | case MLX5_CMD_OP_ARM_XRC_SRQ: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 542 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_XRC_SRQ, |
| 543 | MLX5_GET(arm_xrc_srq_in, in, xrc_srqn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 544 | break; |
| 545 | case MLX5_CMD_OP_QUERY_SRQ: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 546 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_SRQ, |
| 547 | MLX5_GET(query_srq_in, in, srqn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 548 | break; |
| 549 | case MLX5_CMD_OP_ARM_RQ: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 550 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_RQ, |
| 551 | MLX5_GET(arm_rq_in, in, srq_number)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 552 | break; |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 553 | case MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 554 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_DCT, |
| 555 | MLX5_GET(drain_dct_in, in, dctn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 556 | break; |
| 557 | case MLX5_CMD_OP_ARM_XRQ: |
Yishai Hadas | 719598c | 2018-11-26 08:28:37 +0200 | [diff] [blame] | 558 | case MLX5_CMD_OP_SET_XRQ_DC_PARAMS_ENTRY: |
Yishai Hadas | 8293a59 | 2019-08-08 11:43:58 +0300 | [diff] [blame] | 559 | case MLX5_CMD_OP_RELEASE_XRQ_ERROR: |
| 560 | case MLX5_CMD_OP_MODIFY_XRQ: |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 561 | obj_id = get_enc_obj_id(MLX5_CMD_OP_CREATE_XRQ, |
| 562 | MLX5_GET(arm_xrq_in, in, xrqn)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 563 | break; |
Yishai Hadas | 719598c | 2018-11-26 08:28:37 +0200 | [diff] [blame] | 564 | case MLX5_CMD_OP_QUERY_PACKET_REFORMAT_CONTEXT: |
| 565 | obj_id = get_enc_obj_id |
| 566 | (MLX5_CMD_OP_ALLOC_PACKET_REFORMAT_CONTEXT, |
| 567 | MLX5_GET(query_packet_reformat_context_in, |
| 568 | in, packet_reformat_id)); |
| 569 | break; |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 570 | default: |
Yishai Hadas | 34613eb | 2018-11-26 08:28:35 +0200 | [diff] [blame] | 571 | obj_id = 0; |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 572 | } |
| 573 | |
Yishai Hadas | 34613eb | 2018-11-26 08:28:35 +0200 | [diff] [blame] | 574 | return obj_id; |
| 575 | } |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 576 | |
Jason Gunthorpe | e79c9c6 | 2019-04-01 17:08:23 -0300 | [diff] [blame] | 577 | static bool devx_is_valid_obj_id(struct uverbs_attr_bundle *attrs, |
| 578 | struct ib_uobject *uobj, const void *in) |
Yishai Hadas | 34613eb | 2018-11-26 08:28:35 +0200 | [diff] [blame] | 579 | { |
Jason Gunthorpe | e79c9c6 | 2019-04-01 17:08:23 -0300 | [diff] [blame] | 580 | struct mlx5_ib_dev *dev = mlx5_udata_to_mdev(&attrs->driver_udata); |
Yishai Hadas | 34613eb | 2018-11-26 08:28:35 +0200 | [diff] [blame] | 581 | u64 obj_id = devx_get_obj_id(in); |
| 582 | |
| 583 | if (!obj_id) |
| 584 | return false; |
| 585 | |
| 586 | switch (uobj_get_object_id(uobj)) { |
| 587 | case UVERBS_OBJECT_CQ: |
| 588 | return get_enc_obj_id(MLX5_CMD_OP_CREATE_CQ, |
| 589 | to_mcq(uobj->object)->mcq.cqn) == |
| 590 | obj_id; |
| 591 | |
| 592 | case UVERBS_OBJECT_SRQ: |
| 593 | { |
| 594 | struct mlx5_core_srq *srq = &(to_msrq(uobj->object)->msrq); |
Yishai Hadas | 34613eb | 2018-11-26 08:28:35 +0200 | [diff] [blame] | 595 | u16 opcode; |
| 596 | |
| 597 | switch (srq->common.res) { |
| 598 | case MLX5_RES_XSRQ: |
| 599 | opcode = MLX5_CMD_OP_CREATE_XRC_SRQ; |
| 600 | break; |
| 601 | case MLX5_RES_XRQ: |
| 602 | opcode = MLX5_CMD_OP_CREATE_XRQ; |
| 603 | break; |
| 604 | default: |
| 605 | if (!dev->mdev->issi) |
| 606 | opcode = MLX5_CMD_OP_CREATE_SRQ; |
| 607 | else |
| 608 | opcode = MLX5_CMD_OP_CREATE_RMP; |
| 609 | } |
| 610 | |
| 611 | return get_enc_obj_id(opcode, |
| 612 | to_msrq(uobj->object)->msrq.srqn) == |
| 613 | obj_id; |
| 614 | } |
| 615 | |
| 616 | case UVERBS_OBJECT_QP: |
| 617 | { |
| 618 | struct mlx5_ib_qp *qp = to_mqp(uobj->object); |
| 619 | enum ib_qp_type qp_type = qp->ibqp.qp_type; |
| 620 | |
| 621 | if (qp_type == IB_QPT_RAW_PACKET || |
Leon Romanovsky | 2be08c3 | 2020-04-27 18:46:13 +0300 | [diff] [blame] | 622 | (qp->flags & IB_QP_CREATE_SOURCE_QPN)) { |
Yishai Hadas | 34613eb | 2018-11-26 08:28:35 +0200 | [diff] [blame] | 623 | struct mlx5_ib_raw_packet_qp *raw_packet_qp = |
| 624 | &qp->raw_packet_qp; |
| 625 | struct mlx5_ib_rq *rq = &raw_packet_qp->rq; |
| 626 | struct mlx5_ib_sq *sq = &raw_packet_qp->sq; |
| 627 | |
| 628 | return (get_enc_obj_id(MLX5_CMD_OP_CREATE_RQ, |
| 629 | rq->base.mqp.qpn) == obj_id || |
| 630 | get_enc_obj_id(MLX5_CMD_OP_CREATE_SQ, |
| 631 | sq->base.mqp.qpn) == obj_id || |
| 632 | get_enc_obj_id(MLX5_CMD_OP_CREATE_TIR, |
| 633 | rq->tirn) == obj_id || |
| 634 | get_enc_obj_id(MLX5_CMD_OP_CREATE_TIS, |
| 635 | sq->tisn) == obj_id); |
| 636 | } |
| 637 | |
| 638 | if (qp_type == MLX5_IB_QPT_DCT) |
| 639 | return get_enc_obj_id(MLX5_CMD_OP_CREATE_DCT, |
| 640 | qp->dct.mdct.mqp.qpn) == obj_id; |
| 641 | |
| 642 | return get_enc_obj_id(MLX5_CMD_OP_CREATE_QP, |
| 643 | qp->ibqp.qp_num) == obj_id; |
| 644 | } |
| 645 | |
| 646 | case UVERBS_OBJECT_WQ: |
| 647 | return get_enc_obj_id(MLX5_CMD_OP_CREATE_RQ, |
| 648 | to_mrwq(uobj->object)->core_qp.qpn) == |
| 649 | obj_id; |
| 650 | |
| 651 | case UVERBS_OBJECT_RWQ_IND_TBL: |
| 652 | return get_enc_obj_id(MLX5_CMD_OP_CREATE_RQT, |
| 653 | to_mrwq_ind_table(uobj->object)->rqtn) == |
| 654 | obj_id; |
| 655 | |
| 656 | case MLX5_IB_OBJECT_DEVX_OBJ: |
| 657 | return ((struct devx_obj *)uobj->object)->obj_id == obj_id; |
| 658 | |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 659 | default: |
| 660 | return false; |
| 661 | } |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 662 | } |
| 663 | |
Yishai Hadas | ba1a057 | 2018-09-20 21:39:33 +0300 | [diff] [blame] | 664 | static void devx_set_umem_valid(const void *in) |
| 665 | { |
| 666 | u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode); |
| 667 | |
| 668 | switch (opcode) { |
| 669 | case MLX5_CMD_OP_CREATE_MKEY: |
| 670 | MLX5_SET(create_mkey_in, in, mkey_umem_valid, 1); |
| 671 | break; |
| 672 | case MLX5_CMD_OP_CREATE_CQ: |
| 673 | { |
| 674 | void *cqc; |
| 675 | |
| 676 | MLX5_SET(create_cq_in, in, cq_umem_valid, 1); |
| 677 | cqc = MLX5_ADDR_OF(create_cq_in, in, cq_context); |
| 678 | MLX5_SET(cqc, cqc, dbr_umem_valid, 1); |
| 679 | break; |
| 680 | } |
| 681 | case MLX5_CMD_OP_CREATE_QP: |
| 682 | { |
| 683 | void *qpc; |
| 684 | |
| 685 | qpc = MLX5_ADDR_OF(create_qp_in, in, qpc); |
| 686 | MLX5_SET(qpc, qpc, dbr_umem_valid, 1); |
| 687 | MLX5_SET(create_qp_in, in, wq_umem_valid, 1); |
| 688 | break; |
| 689 | } |
| 690 | |
| 691 | case MLX5_CMD_OP_CREATE_RQ: |
| 692 | { |
| 693 | void *rqc, *wq; |
| 694 | |
| 695 | rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); |
| 696 | wq = MLX5_ADDR_OF(rqc, rqc, wq); |
| 697 | MLX5_SET(wq, wq, dbr_umem_valid, 1); |
| 698 | MLX5_SET(wq, wq, wq_umem_valid, 1); |
| 699 | break; |
| 700 | } |
| 701 | |
| 702 | case MLX5_CMD_OP_CREATE_SQ: |
| 703 | { |
| 704 | void *sqc, *wq; |
| 705 | |
| 706 | sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); |
| 707 | wq = MLX5_ADDR_OF(sqc, sqc, wq); |
| 708 | MLX5_SET(wq, wq, dbr_umem_valid, 1); |
| 709 | MLX5_SET(wq, wq, wq_umem_valid, 1); |
| 710 | break; |
| 711 | } |
| 712 | |
| 713 | case MLX5_CMD_OP_MODIFY_CQ: |
| 714 | MLX5_SET(modify_cq_in, in, cq_umem_valid, 1); |
| 715 | break; |
| 716 | |
| 717 | case MLX5_CMD_OP_CREATE_RMP: |
| 718 | { |
| 719 | void *rmpc, *wq; |
| 720 | |
| 721 | rmpc = MLX5_ADDR_OF(create_rmp_in, in, ctx); |
| 722 | wq = MLX5_ADDR_OF(rmpc, rmpc, wq); |
| 723 | MLX5_SET(wq, wq, dbr_umem_valid, 1); |
| 724 | MLX5_SET(wq, wq, wq_umem_valid, 1); |
| 725 | break; |
| 726 | } |
| 727 | |
| 728 | case MLX5_CMD_OP_CREATE_XRQ: |
| 729 | { |
| 730 | void *xrqc, *wq; |
| 731 | |
| 732 | xrqc = MLX5_ADDR_OF(create_xrq_in, in, xrq_context); |
| 733 | wq = MLX5_ADDR_OF(xrqc, xrqc, wq); |
| 734 | MLX5_SET(wq, wq, dbr_umem_valid, 1); |
| 735 | MLX5_SET(wq, wq, wq_umem_valid, 1); |
| 736 | break; |
| 737 | } |
| 738 | |
| 739 | case MLX5_CMD_OP_CREATE_XRC_SRQ: |
| 740 | { |
| 741 | void *xrc_srqc; |
| 742 | |
| 743 | MLX5_SET(create_xrc_srq_in, in, xrc_srq_umem_valid, 1); |
| 744 | xrc_srqc = MLX5_ADDR_OF(create_xrc_srq_in, in, |
| 745 | xrc_srq_context_entry); |
| 746 | MLX5_SET(xrc_srqc, xrc_srqc, dbr_umem_valid, 1); |
| 747 | break; |
| 748 | } |
| 749 | |
| 750 | default: |
| 751 | return; |
| 752 | } |
| 753 | } |
| 754 | |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 755 | static bool devx_is_obj_create_cmd(const void *in, u16 *opcode) |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 756 | { |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 757 | *opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode); |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 758 | |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 759 | switch (*opcode) { |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 760 | case MLX5_CMD_OP_CREATE_GENERAL_OBJECT: |
| 761 | case MLX5_CMD_OP_CREATE_MKEY: |
| 762 | case MLX5_CMD_OP_CREATE_CQ: |
| 763 | case MLX5_CMD_OP_ALLOC_PD: |
| 764 | case MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN: |
| 765 | case MLX5_CMD_OP_CREATE_RMP: |
| 766 | case MLX5_CMD_OP_CREATE_SQ: |
| 767 | case MLX5_CMD_OP_CREATE_RQ: |
| 768 | case MLX5_CMD_OP_CREATE_RQT: |
| 769 | case MLX5_CMD_OP_CREATE_TIR: |
| 770 | case MLX5_CMD_OP_CREATE_TIS: |
| 771 | case MLX5_CMD_OP_ALLOC_Q_COUNTER: |
| 772 | case MLX5_CMD_OP_CREATE_FLOW_TABLE: |
| 773 | case MLX5_CMD_OP_CREATE_FLOW_GROUP: |
| 774 | case MLX5_CMD_OP_ALLOC_FLOW_COUNTER: |
Mark Bloch | 60786f0 | 2018-08-28 14:18:46 +0300 | [diff] [blame] | 775 | case MLX5_CMD_OP_ALLOC_PACKET_REFORMAT_CONTEXT: |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 776 | case MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT: |
| 777 | case MLX5_CMD_OP_CREATE_SCHEDULING_ELEMENT: |
| 778 | case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT: |
| 779 | case MLX5_CMD_OP_SET_L2_TABLE_ENTRY: |
| 780 | case MLX5_CMD_OP_CREATE_QP: |
| 781 | case MLX5_CMD_OP_CREATE_SRQ: |
| 782 | case MLX5_CMD_OP_CREATE_XRC_SRQ: |
| 783 | case MLX5_CMD_OP_CREATE_DCT: |
| 784 | case MLX5_CMD_OP_CREATE_XRQ: |
| 785 | case MLX5_CMD_OP_ATTACH_TO_MCG: |
| 786 | case MLX5_CMD_OP_ALLOC_XRCD: |
| 787 | return true; |
| 788 | case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY: |
| 789 | { |
| 790 | u16 op_mod = MLX5_GET(set_fte_in, in, op_mod); |
| 791 | if (op_mod == 0) |
| 792 | return true; |
| 793 | return false; |
| 794 | } |
Max Gurtovoy | 8b38c53 | 2019-07-23 10:04:12 +0300 | [diff] [blame] | 795 | case MLX5_CMD_OP_CREATE_PSV: |
| 796 | { |
| 797 | u8 num_psv = MLX5_GET(create_psv_in, in, num_psv); |
| 798 | |
| 799 | if (num_psv == 1) |
| 800 | return true; |
| 801 | return false; |
| 802 | } |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 803 | default: |
| 804 | return false; |
| 805 | } |
| 806 | } |
| 807 | |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 808 | static bool devx_is_obj_modify_cmd(const void *in) |
| 809 | { |
| 810 | u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode); |
| 811 | |
| 812 | switch (opcode) { |
| 813 | case MLX5_CMD_OP_MODIFY_GENERAL_OBJECT: |
| 814 | case MLX5_CMD_OP_MODIFY_CQ: |
| 815 | case MLX5_CMD_OP_MODIFY_RMP: |
| 816 | case MLX5_CMD_OP_MODIFY_SQ: |
| 817 | case MLX5_CMD_OP_MODIFY_RQ: |
| 818 | case MLX5_CMD_OP_MODIFY_RQT: |
| 819 | case MLX5_CMD_OP_MODIFY_TIR: |
| 820 | case MLX5_CMD_OP_MODIFY_TIS: |
| 821 | case MLX5_CMD_OP_MODIFY_FLOW_TABLE: |
| 822 | case MLX5_CMD_OP_MODIFY_SCHEDULING_ELEMENT: |
| 823 | case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT: |
| 824 | case MLX5_CMD_OP_SET_L2_TABLE_ENTRY: |
| 825 | case MLX5_CMD_OP_RST2INIT_QP: |
| 826 | case MLX5_CMD_OP_INIT2RTR_QP: |
Aharon Landau | 819f742 | 2020-05-13 12:55:50 +0300 | [diff] [blame] | 827 | case MLX5_CMD_OP_INIT2INIT_QP: |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 828 | case MLX5_CMD_OP_RTR2RTS_QP: |
| 829 | case MLX5_CMD_OP_RTS2RTS_QP: |
| 830 | case MLX5_CMD_OP_SQERR2RTS_QP: |
| 831 | case MLX5_CMD_OP_2ERR_QP: |
| 832 | case MLX5_CMD_OP_2RST_QP: |
| 833 | case MLX5_CMD_OP_ARM_XRC_SRQ: |
| 834 | case MLX5_CMD_OP_ARM_RQ: |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 835 | case MLX5_CMD_OP_ARM_DCT_FOR_KEY_VIOLATION: |
| 836 | case MLX5_CMD_OP_ARM_XRQ: |
Yishai Hadas | 719598c | 2018-11-26 08:28:37 +0200 | [diff] [blame] | 837 | case MLX5_CMD_OP_SET_XRQ_DC_PARAMS_ENTRY: |
Yishai Hadas | 8293a59 | 2019-08-08 11:43:58 +0300 | [diff] [blame] | 838 | case MLX5_CMD_OP_RELEASE_XRQ_ERROR: |
| 839 | case MLX5_CMD_OP_MODIFY_XRQ: |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 840 | return true; |
| 841 | case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY: |
| 842 | { |
| 843 | u16 op_mod = MLX5_GET(set_fte_in, in, op_mod); |
| 844 | |
| 845 | if (op_mod == 1) |
| 846 | return true; |
| 847 | return false; |
| 848 | } |
| 849 | default: |
| 850 | return false; |
| 851 | } |
| 852 | } |
| 853 | |
| 854 | static bool devx_is_obj_query_cmd(const void *in) |
| 855 | { |
| 856 | u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode); |
| 857 | |
| 858 | switch (opcode) { |
| 859 | case MLX5_CMD_OP_QUERY_GENERAL_OBJECT: |
| 860 | case MLX5_CMD_OP_QUERY_MKEY: |
| 861 | case MLX5_CMD_OP_QUERY_CQ: |
| 862 | case MLX5_CMD_OP_QUERY_RMP: |
| 863 | case MLX5_CMD_OP_QUERY_SQ: |
| 864 | case MLX5_CMD_OP_QUERY_RQ: |
| 865 | case MLX5_CMD_OP_QUERY_RQT: |
| 866 | case MLX5_CMD_OP_QUERY_TIR: |
| 867 | case MLX5_CMD_OP_QUERY_TIS: |
| 868 | case MLX5_CMD_OP_QUERY_Q_COUNTER: |
| 869 | case MLX5_CMD_OP_QUERY_FLOW_TABLE: |
| 870 | case MLX5_CMD_OP_QUERY_FLOW_GROUP: |
| 871 | case MLX5_CMD_OP_QUERY_FLOW_TABLE_ENTRY: |
| 872 | case MLX5_CMD_OP_QUERY_FLOW_COUNTER: |
| 873 | case MLX5_CMD_OP_QUERY_MODIFY_HEADER_CONTEXT: |
| 874 | case MLX5_CMD_OP_QUERY_SCHEDULING_ELEMENT: |
| 875 | case MLX5_CMD_OP_QUERY_L2_TABLE_ENTRY: |
| 876 | case MLX5_CMD_OP_QUERY_QP: |
| 877 | case MLX5_CMD_OP_QUERY_SRQ: |
| 878 | case MLX5_CMD_OP_QUERY_XRC_SRQ: |
| 879 | case MLX5_CMD_OP_QUERY_DCT: |
| 880 | case MLX5_CMD_OP_QUERY_XRQ: |
Yishai Hadas | 719598c | 2018-11-26 08:28:37 +0200 | [diff] [blame] | 881 | case MLX5_CMD_OP_QUERY_XRQ_DC_PARAMS_ENTRY: |
| 882 | case MLX5_CMD_OP_QUERY_XRQ_ERROR_PARAMS: |
| 883 | case MLX5_CMD_OP_QUERY_PACKET_REFORMAT_CONTEXT: |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 884 | return true; |
| 885 | default: |
| 886 | return false; |
| 887 | } |
| 888 | } |
| 889 | |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 890 | static bool devx_is_whitelist_cmd(void *in) |
| 891 | { |
| 892 | u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode); |
| 893 | |
| 894 | switch (opcode) { |
| 895 | case MLX5_CMD_OP_QUERY_HCA_CAP: |
| 896 | case MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT: |
Maor Gottlieb | 56e5acd | 2019-03-28 15:46:24 +0200 | [diff] [blame] | 897 | case MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT: |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 898 | return true; |
| 899 | default: |
| 900 | return false; |
| 901 | } |
| 902 | } |
| 903 | |
| 904 | static int devx_get_uid(struct mlx5_ib_ucontext *c, void *cmd_in) |
| 905 | { |
| 906 | if (devx_is_whitelist_cmd(cmd_in)) { |
| 907 | struct mlx5_ib_dev *dev; |
| 908 | |
| 909 | if (c->devx_uid) |
| 910 | return c->devx_uid; |
| 911 | |
| 912 | dev = to_mdev(c->ibucontext.device); |
| 913 | if (dev->devx_whitelist_uid) |
| 914 | return dev->devx_whitelist_uid; |
| 915 | |
| 916 | return -EOPNOTSUPP; |
| 917 | } |
| 918 | |
| 919 | if (!c->devx_uid) |
| 920 | return -EINVAL; |
| 921 | |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 922 | return c->devx_uid; |
| 923 | } |
Max Gurtovoy | b614260 | 2019-07-01 21:14:02 +0300 | [diff] [blame] | 924 | |
| 925 | static bool devx_is_general_cmd(void *in, struct mlx5_ib_dev *dev) |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 926 | { |
| 927 | u16 opcode = MLX5_GET(general_obj_in_cmd_hdr, in, opcode); |
| 928 | |
Max Gurtovoy | b614260 | 2019-07-01 21:14:02 +0300 | [diff] [blame] | 929 | /* Pass all cmds for vhca_tunnel as general, tracking is done in FW */ |
| 930 | if ((MLX5_CAP_GEN_64(dev->mdev, vhca_tunnel_commands) && |
| 931 | MLX5_GET(general_obj_in_cmd_hdr, in, vhca_tunnel_id)) || |
| 932 | (opcode >= MLX5_CMD_OP_GENERAL_START && |
| 933 | opcode < MLX5_CMD_OP_GENERAL_END)) |
Yishai Hadas | 719598c | 2018-11-26 08:28:37 +0200 | [diff] [blame] | 934 | return true; |
| 935 | |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 936 | switch (opcode) { |
| 937 | case MLX5_CMD_OP_QUERY_HCA_CAP: |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 938 | case MLX5_CMD_OP_QUERY_HCA_VPORT_CONTEXT: |
Maor Gottlieb | 56e5acd | 2019-03-28 15:46:24 +0200 | [diff] [blame] | 939 | case MLX5_CMD_OP_QUERY_ESW_VPORT_CONTEXT: |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 940 | case MLX5_CMD_OP_QUERY_VPORT_STATE: |
| 941 | case MLX5_CMD_OP_QUERY_ADAPTER: |
| 942 | case MLX5_CMD_OP_QUERY_ISSI: |
| 943 | case MLX5_CMD_OP_QUERY_NIC_VPORT_CONTEXT: |
| 944 | case MLX5_CMD_OP_QUERY_ROCE_ADDRESS: |
| 945 | case MLX5_CMD_OP_QUERY_VNIC_ENV: |
| 946 | case MLX5_CMD_OP_QUERY_VPORT_COUNTER: |
| 947 | case MLX5_CMD_OP_GET_DROPPED_PACKET_LOG: |
| 948 | case MLX5_CMD_OP_NOP: |
| 949 | case MLX5_CMD_OP_QUERY_CONG_STATUS: |
| 950 | case MLX5_CMD_OP_QUERY_CONG_PARAMS: |
| 951 | case MLX5_CMD_OP_QUERY_CONG_STATISTICS: |
Mark Zhang | 7084ed3 | 2019-07-31 14:40:14 +0300 | [diff] [blame] | 952 | case MLX5_CMD_OP_QUERY_LAG: |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 953 | return true; |
| 954 | default: |
| 955 | return false; |
| 956 | } |
| 957 | } |
| 958 | |
Jason Gunthorpe | e83f0ec | 2018-07-25 21:40:18 -0600 | [diff] [blame] | 959 | static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_QUERY_EQN)( |
Jason Gunthorpe | 15a1b4b | 2018-11-25 20:51:15 +0200 | [diff] [blame] | 960 | struct uverbs_attr_bundle *attrs) |
Yishai Hadas | f6fe01b | 2018-06-17 13:00:05 +0300 | [diff] [blame] | 961 | { |
Jason Gunthorpe | e83f0ec | 2018-07-25 21:40:18 -0600 | [diff] [blame] | 962 | struct mlx5_ib_ucontext *c; |
| 963 | struct mlx5_ib_dev *dev; |
Yishai Hadas | f6fe01b | 2018-06-17 13:00:05 +0300 | [diff] [blame] | 964 | int user_vector; |
| 965 | int dev_eqn; |
| 966 | unsigned int irqn; |
| 967 | int err; |
| 968 | |
| 969 | if (uverbs_copy_from(&user_vector, attrs, |
| 970 | MLX5_IB_ATTR_DEVX_QUERY_EQN_USER_VEC)) |
| 971 | return -EFAULT; |
| 972 | |
Jason Gunthorpe | 15a1b4b | 2018-11-25 20:51:15 +0200 | [diff] [blame] | 973 | c = devx_ufile2uctx(attrs); |
Jason Gunthorpe | e83f0ec | 2018-07-25 21:40:18 -0600 | [diff] [blame] | 974 | if (IS_ERR(c)) |
| 975 | return PTR_ERR(c); |
| 976 | dev = to_mdev(c->ibucontext.device); |
| 977 | |
Yishai Hadas | f6fe01b | 2018-06-17 13:00:05 +0300 | [diff] [blame] | 978 | err = mlx5_vector2eqn(dev->mdev, user_vector, &dev_eqn, &irqn); |
| 979 | if (err < 0) |
| 980 | return err; |
| 981 | |
| 982 | if (uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_QUERY_EQN_DEV_EQN, |
| 983 | &dev_eqn, sizeof(dev_eqn))) |
| 984 | return -EFAULT; |
| 985 | |
| 986 | return 0; |
| 987 | } |
| 988 | |
Yishai Hadas | 7c043e9 | 2018-06-17 13:00:03 +0300 | [diff] [blame] | 989 | /* |
| 990 | *Security note: |
| 991 | * The hardware protection mechanism works like this: Each device object that |
| 992 | * is subject to UAR doorbells (QP/SQ/CQ) gets a UAR ID (called uar_page in |
| 993 | * the device specification manual) upon its creation. Then upon doorbell, |
| 994 | * hardware fetches the object context for which the doorbell was rang, and |
| 995 | * validates that the UAR through which the DB was rang matches the UAR ID |
| 996 | * of the object. |
| 997 | * If no match the doorbell is silently ignored by the hardware. Of course, |
| 998 | * the user cannot ring a doorbell on a UAR that was not mapped to it. |
| 999 | * Now in devx, as the devx kernel does not manipulate the QP/SQ/CQ command |
| 1000 | * mailboxes (except tagging them with UID), we expose to the user its UAR |
| 1001 | * ID, so it can embed it in these objects in the expected specification |
| 1002 | * format. So the only thing the user can do is hurt itself by creating a |
| 1003 | * QP/SQ/CQ with a UAR ID other than his, and then in this case other users |
| 1004 | * may ring a doorbell on its objects. |
| 1005 | * The consequence of that will be that another user can schedule a QP/SQ |
| 1006 | * of the buggy user for execution (just insert it to the hardware schedule |
| 1007 | * queue or arm its CQ for event generation), no further harm is expected. |
| 1008 | */ |
Jason Gunthorpe | e83f0ec | 2018-07-25 21:40:18 -0600 | [diff] [blame] | 1009 | static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_QUERY_UAR)( |
Jason Gunthorpe | 15a1b4b | 2018-11-25 20:51:15 +0200 | [diff] [blame] | 1010 | struct uverbs_attr_bundle *attrs) |
Yishai Hadas | 7c043e9 | 2018-06-17 13:00:03 +0300 | [diff] [blame] | 1011 | { |
Jason Gunthorpe | 22fa27f | 2018-07-10 13:43:06 -0600 | [diff] [blame] | 1012 | struct mlx5_ib_ucontext *c; |
| 1013 | struct mlx5_ib_dev *dev; |
Yishai Hadas | 7c043e9 | 2018-06-17 13:00:03 +0300 | [diff] [blame] | 1014 | u32 user_idx; |
| 1015 | s32 dev_idx; |
| 1016 | |
Jason Gunthorpe | 15a1b4b | 2018-11-25 20:51:15 +0200 | [diff] [blame] | 1017 | c = devx_ufile2uctx(attrs); |
Jason Gunthorpe | 22fa27f | 2018-07-10 13:43:06 -0600 | [diff] [blame] | 1018 | if (IS_ERR(c)) |
| 1019 | return PTR_ERR(c); |
| 1020 | dev = to_mdev(c->ibucontext.device); |
| 1021 | |
Yishai Hadas | 7c043e9 | 2018-06-17 13:00:03 +0300 | [diff] [blame] | 1022 | if (uverbs_copy_from(&user_idx, attrs, |
| 1023 | MLX5_IB_ATTR_DEVX_QUERY_UAR_USER_IDX)) |
| 1024 | return -EFAULT; |
| 1025 | |
Jason Gunthorpe | 22fa27f | 2018-07-10 13:43:06 -0600 | [diff] [blame] | 1026 | dev_idx = bfregn_to_uar_index(dev, &c->bfregi, user_idx, true); |
Yishai Hadas | 7c043e9 | 2018-06-17 13:00:03 +0300 | [diff] [blame] | 1027 | if (dev_idx < 0) |
| 1028 | return dev_idx; |
| 1029 | |
| 1030 | if (uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_QUERY_UAR_DEV_IDX, |
| 1031 | &dev_idx, sizeof(dev_idx))) |
| 1032 | return -EFAULT; |
| 1033 | |
| 1034 | return 0; |
| 1035 | } |
| 1036 | |
Jason Gunthorpe | e83f0ec | 2018-07-25 21:40:18 -0600 | [diff] [blame] | 1037 | static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OTHER)( |
Jason Gunthorpe | 15a1b4b | 2018-11-25 20:51:15 +0200 | [diff] [blame] | 1038 | struct uverbs_attr_bundle *attrs) |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 1039 | { |
Jason Gunthorpe | 22fa27f | 2018-07-10 13:43:06 -0600 | [diff] [blame] | 1040 | struct mlx5_ib_ucontext *c; |
| 1041 | struct mlx5_ib_dev *dev; |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1042 | void *cmd_in = uverbs_attr_get_alloced_ptr( |
| 1043 | attrs, MLX5_IB_ATTR_DEVX_OTHER_CMD_IN); |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 1044 | int cmd_out_len = uverbs_attr_get_len(attrs, |
| 1045 | MLX5_IB_ATTR_DEVX_OTHER_CMD_OUT); |
| 1046 | void *cmd_out; |
| 1047 | int err; |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 1048 | int uid; |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 1049 | |
Jason Gunthorpe | 15a1b4b | 2018-11-25 20:51:15 +0200 | [diff] [blame] | 1050 | c = devx_ufile2uctx(attrs); |
Jason Gunthorpe | 22fa27f | 2018-07-10 13:43:06 -0600 | [diff] [blame] | 1051 | if (IS_ERR(c)) |
| 1052 | return PTR_ERR(c); |
| 1053 | dev = to_mdev(c->ibucontext.device); |
| 1054 | |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 1055 | uid = devx_get_uid(c, cmd_in); |
| 1056 | if (uid < 0) |
| 1057 | return uid; |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 1058 | |
| 1059 | /* Only white list of some general HCA commands are allowed for this method. */ |
Max Gurtovoy | b614260 | 2019-07-01 21:14:02 +0300 | [diff] [blame] | 1060 | if (!devx_is_general_cmd(cmd_in, dev)) |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 1061 | return -EINVAL; |
| 1062 | |
Jason Gunthorpe | b61815e | 2018-08-09 20:14:41 -0600 | [diff] [blame] | 1063 | cmd_out = uverbs_zalloc(attrs, cmd_out_len); |
| 1064 | if (IS_ERR(cmd_out)) |
| 1065 | return PTR_ERR(cmd_out); |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 1066 | |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 1067 | MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, uid); |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 1068 | err = mlx5_cmd_exec(dev->mdev, cmd_in, |
| 1069 | uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OTHER_CMD_IN), |
| 1070 | cmd_out, cmd_out_len); |
| 1071 | if (err) |
Jason Gunthorpe | b61815e | 2018-08-09 20:14:41 -0600 | [diff] [blame] | 1072 | return err; |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 1073 | |
Jason Gunthorpe | b61815e | 2018-08-09 20:14:41 -0600 | [diff] [blame] | 1074 | return uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OTHER_CMD_OUT, cmd_out, |
| 1075 | cmd_out_len); |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 1076 | } |
| 1077 | |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1078 | static void devx_obj_build_destroy_cmd(void *in, void *out, void *din, |
| 1079 | u32 *dinlen, |
| 1080 | u32 *obj_id) |
| 1081 | { |
| 1082 | u16 obj_type = MLX5_GET(general_obj_in_cmd_hdr, in, obj_type); |
| 1083 | u16 uid = MLX5_GET(general_obj_in_cmd_hdr, in, uid); |
| 1084 | |
| 1085 | *obj_id = MLX5_GET(general_obj_out_cmd_hdr, out, obj_id); |
| 1086 | *dinlen = MLX5_ST_SZ_BYTES(general_obj_in_cmd_hdr); |
| 1087 | |
| 1088 | MLX5_SET(general_obj_in_cmd_hdr, din, obj_id, *obj_id); |
| 1089 | MLX5_SET(general_obj_in_cmd_hdr, din, uid, uid); |
| 1090 | |
| 1091 | switch (MLX5_GET(general_obj_in_cmd_hdr, in, opcode)) { |
| 1092 | case MLX5_CMD_OP_CREATE_GENERAL_OBJECT: |
| 1093 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_GENERAL_OBJECT); |
| 1094 | MLX5_SET(general_obj_in_cmd_hdr, din, obj_type, obj_type); |
| 1095 | break; |
| 1096 | |
Yishai Hadas | 6e3722b | 2018-12-19 16:28:15 +0200 | [diff] [blame] | 1097 | case MLX5_CMD_OP_CREATE_UMEM: |
| 1098 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, |
| 1099 | MLX5_CMD_OP_DESTROY_UMEM); |
| 1100 | break; |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1101 | case MLX5_CMD_OP_CREATE_MKEY: |
| 1102 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_MKEY); |
| 1103 | break; |
| 1104 | case MLX5_CMD_OP_CREATE_CQ: |
| 1105 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_CQ); |
| 1106 | break; |
| 1107 | case MLX5_CMD_OP_ALLOC_PD: |
| 1108 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DEALLOC_PD); |
| 1109 | break; |
| 1110 | case MLX5_CMD_OP_ALLOC_TRANSPORT_DOMAIN: |
| 1111 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, |
| 1112 | MLX5_CMD_OP_DEALLOC_TRANSPORT_DOMAIN); |
| 1113 | break; |
| 1114 | case MLX5_CMD_OP_CREATE_RMP: |
| 1115 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_RMP); |
| 1116 | break; |
| 1117 | case MLX5_CMD_OP_CREATE_SQ: |
| 1118 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_SQ); |
| 1119 | break; |
| 1120 | case MLX5_CMD_OP_CREATE_RQ: |
| 1121 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_RQ); |
| 1122 | break; |
| 1123 | case MLX5_CMD_OP_CREATE_RQT: |
| 1124 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_RQT); |
| 1125 | break; |
| 1126 | case MLX5_CMD_OP_CREATE_TIR: |
| 1127 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_TIR); |
| 1128 | break; |
| 1129 | case MLX5_CMD_OP_CREATE_TIS: |
| 1130 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_TIS); |
| 1131 | break; |
| 1132 | case MLX5_CMD_OP_ALLOC_Q_COUNTER: |
| 1133 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, |
| 1134 | MLX5_CMD_OP_DEALLOC_Q_COUNTER); |
| 1135 | break; |
| 1136 | case MLX5_CMD_OP_CREATE_FLOW_TABLE: |
| 1137 | *dinlen = MLX5_ST_SZ_BYTES(destroy_flow_table_in); |
| 1138 | *obj_id = MLX5_GET(create_flow_table_out, out, table_id); |
| 1139 | MLX5_SET(destroy_flow_table_in, din, other_vport, |
| 1140 | MLX5_GET(create_flow_table_in, in, other_vport)); |
| 1141 | MLX5_SET(destroy_flow_table_in, din, vport_number, |
| 1142 | MLX5_GET(create_flow_table_in, in, vport_number)); |
| 1143 | MLX5_SET(destroy_flow_table_in, din, table_type, |
| 1144 | MLX5_GET(create_flow_table_in, in, table_type)); |
| 1145 | MLX5_SET(destroy_flow_table_in, din, table_id, *obj_id); |
| 1146 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, |
| 1147 | MLX5_CMD_OP_DESTROY_FLOW_TABLE); |
| 1148 | break; |
| 1149 | case MLX5_CMD_OP_CREATE_FLOW_GROUP: |
| 1150 | *dinlen = MLX5_ST_SZ_BYTES(destroy_flow_group_in); |
| 1151 | *obj_id = MLX5_GET(create_flow_group_out, out, group_id); |
| 1152 | MLX5_SET(destroy_flow_group_in, din, other_vport, |
| 1153 | MLX5_GET(create_flow_group_in, in, other_vport)); |
| 1154 | MLX5_SET(destroy_flow_group_in, din, vport_number, |
| 1155 | MLX5_GET(create_flow_group_in, in, vport_number)); |
| 1156 | MLX5_SET(destroy_flow_group_in, din, table_type, |
| 1157 | MLX5_GET(create_flow_group_in, in, table_type)); |
| 1158 | MLX5_SET(destroy_flow_group_in, din, table_id, |
| 1159 | MLX5_GET(create_flow_group_in, in, table_id)); |
| 1160 | MLX5_SET(destroy_flow_group_in, din, group_id, *obj_id); |
| 1161 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, |
| 1162 | MLX5_CMD_OP_DESTROY_FLOW_GROUP); |
| 1163 | break; |
| 1164 | case MLX5_CMD_OP_SET_FLOW_TABLE_ENTRY: |
| 1165 | *dinlen = MLX5_ST_SZ_BYTES(delete_fte_in); |
| 1166 | *obj_id = MLX5_GET(set_fte_in, in, flow_index); |
| 1167 | MLX5_SET(delete_fte_in, din, other_vport, |
| 1168 | MLX5_GET(set_fte_in, in, other_vport)); |
| 1169 | MLX5_SET(delete_fte_in, din, vport_number, |
| 1170 | MLX5_GET(set_fte_in, in, vport_number)); |
| 1171 | MLX5_SET(delete_fte_in, din, table_type, |
| 1172 | MLX5_GET(set_fte_in, in, table_type)); |
| 1173 | MLX5_SET(delete_fte_in, din, table_id, |
| 1174 | MLX5_GET(set_fte_in, in, table_id)); |
| 1175 | MLX5_SET(delete_fte_in, din, flow_index, *obj_id); |
| 1176 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, |
| 1177 | MLX5_CMD_OP_DELETE_FLOW_TABLE_ENTRY); |
| 1178 | break; |
| 1179 | case MLX5_CMD_OP_ALLOC_FLOW_COUNTER: |
| 1180 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, |
| 1181 | MLX5_CMD_OP_DEALLOC_FLOW_COUNTER); |
| 1182 | break; |
Mark Bloch | 60786f0 | 2018-08-28 14:18:46 +0300 | [diff] [blame] | 1183 | case MLX5_CMD_OP_ALLOC_PACKET_REFORMAT_CONTEXT: |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1184 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, |
Mark Bloch | 60786f0 | 2018-08-28 14:18:46 +0300 | [diff] [blame] | 1185 | MLX5_CMD_OP_DEALLOC_PACKET_REFORMAT_CONTEXT); |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1186 | break; |
| 1187 | case MLX5_CMD_OP_ALLOC_MODIFY_HEADER_CONTEXT: |
| 1188 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, |
| 1189 | MLX5_CMD_OP_DEALLOC_MODIFY_HEADER_CONTEXT); |
| 1190 | break; |
| 1191 | case MLX5_CMD_OP_CREATE_SCHEDULING_ELEMENT: |
| 1192 | *dinlen = MLX5_ST_SZ_BYTES(destroy_scheduling_element_in); |
| 1193 | *obj_id = MLX5_GET(create_scheduling_element_out, out, |
| 1194 | scheduling_element_id); |
| 1195 | MLX5_SET(destroy_scheduling_element_in, din, |
| 1196 | scheduling_hierarchy, |
| 1197 | MLX5_GET(create_scheduling_element_in, in, |
| 1198 | scheduling_hierarchy)); |
| 1199 | MLX5_SET(destroy_scheduling_element_in, din, |
| 1200 | scheduling_element_id, *obj_id); |
| 1201 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, |
| 1202 | MLX5_CMD_OP_DESTROY_SCHEDULING_ELEMENT); |
| 1203 | break; |
| 1204 | case MLX5_CMD_OP_ADD_VXLAN_UDP_DPORT: |
| 1205 | *dinlen = MLX5_ST_SZ_BYTES(delete_vxlan_udp_dport_in); |
| 1206 | *obj_id = MLX5_GET(add_vxlan_udp_dport_in, in, vxlan_udp_port); |
| 1207 | MLX5_SET(delete_vxlan_udp_dport_in, din, vxlan_udp_port, *obj_id); |
| 1208 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, |
| 1209 | MLX5_CMD_OP_DELETE_VXLAN_UDP_DPORT); |
| 1210 | break; |
| 1211 | case MLX5_CMD_OP_SET_L2_TABLE_ENTRY: |
| 1212 | *dinlen = MLX5_ST_SZ_BYTES(delete_l2_table_entry_in); |
| 1213 | *obj_id = MLX5_GET(set_l2_table_entry_in, in, table_index); |
| 1214 | MLX5_SET(delete_l2_table_entry_in, din, table_index, *obj_id); |
| 1215 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, |
| 1216 | MLX5_CMD_OP_DELETE_L2_TABLE_ENTRY); |
| 1217 | break; |
| 1218 | case MLX5_CMD_OP_CREATE_QP: |
| 1219 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_QP); |
| 1220 | break; |
| 1221 | case MLX5_CMD_OP_CREATE_SRQ: |
| 1222 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_SRQ); |
| 1223 | break; |
| 1224 | case MLX5_CMD_OP_CREATE_XRC_SRQ: |
| 1225 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, |
| 1226 | MLX5_CMD_OP_DESTROY_XRC_SRQ); |
| 1227 | break; |
| 1228 | case MLX5_CMD_OP_CREATE_DCT: |
| 1229 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_DCT); |
| 1230 | break; |
| 1231 | case MLX5_CMD_OP_CREATE_XRQ: |
| 1232 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DESTROY_XRQ); |
| 1233 | break; |
| 1234 | case MLX5_CMD_OP_ATTACH_TO_MCG: |
| 1235 | *dinlen = MLX5_ST_SZ_BYTES(detach_from_mcg_in); |
| 1236 | MLX5_SET(detach_from_mcg_in, din, qpn, |
| 1237 | MLX5_GET(attach_to_mcg_in, in, qpn)); |
| 1238 | memcpy(MLX5_ADDR_OF(detach_from_mcg_in, din, multicast_gid), |
| 1239 | MLX5_ADDR_OF(attach_to_mcg_in, in, multicast_gid), |
| 1240 | MLX5_FLD_SZ_BYTES(attach_to_mcg_in, multicast_gid)); |
| 1241 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DETACH_FROM_MCG); |
| 1242 | break; |
| 1243 | case MLX5_CMD_OP_ALLOC_XRCD: |
| 1244 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, MLX5_CMD_OP_DEALLOC_XRCD); |
| 1245 | break; |
Max Gurtovoy | 8b38c53 | 2019-07-23 10:04:12 +0300 | [diff] [blame] | 1246 | case MLX5_CMD_OP_CREATE_PSV: |
| 1247 | MLX5_SET(general_obj_in_cmd_hdr, din, opcode, |
| 1248 | MLX5_CMD_OP_DESTROY_PSV); |
| 1249 | MLX5_SET(destroy_psv_in, din, psvn, |
| 1250 | MLX5_GET(create_psv_out, out, psv0_index)); |
| 1251 | break; |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1252 | default: |
| 1253 | /* The entry must match to one of the devx_is_obj_create_cmd */ |
| 1254 | WARN_ON(true); |
| 1255 | break; |
| 1256 | } |
| 1257 | } |
| 1258 | |
Yishai Hadas | 534fd7a | 2019-01-13 16:01:17 +0200 | [diff] [blame] | 1259 | static int devx_handle_mkey_indirect(struct devx_obj *obj, |
| 1260 | struct mlx5_ib_dev *dev, |
| 1261 | void *in, void *out) |
| 1262 | { |
Yishai Hadas | 534fd7a | 2019-01-13 16:01:17 +0200 | [diff] [blame] | 1263 | struct mlx5_ib_devx_mr *devx_mr = &obj->devx_mr; |
Yishai Hadas | 534fd7a | 2019-01-13 16:01:17 +0200 | [diff] [blame] | 1264 | struct mlx5_core_mkey *mkey; |
| 1265 | void *mkc; |
| 1266 | u8 key; |
Yishai Hadas | 534fd7a | 2019-01-13 16:01:17 +0200 | [diff] [blame] | 1267 | |
| 1268 | mkey = &devx_mr->mmkey; |
| 1269 | mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry); |
| 1270 | key = MLX5_GET(mkc, mkc, mkey_7_0); |
| 1271 | mkey->key = mlx5_idx_to_mkey( |
| 1272 | MLX5_GET(create_mkey_out, out, mkey_index)) | key; |
| 1273 | mkey->type = MLX5_MKEY_INDIRECT_DEVX; |
| 1274 | mkey->iova = MLX5_GET64(mkc, mkc, start_addr); |
| 1275 | mkey->size = MLX5_GET64(mkc, mkc, len); |
| 1276 | mkey->pd = MLX5_GET(mkc, mkc, pd); |
| 1277 | devx_mr->ndescs = MLX5_GET(mkc, mkc, translations_octword_size); |
| 1278 | |
Jason Gunthorpe | 806b101 | 2019-10-09 13:09:23 -0300 | [diff] [blame] | 1279 | return xa_err(xa_store(&dev->odp_mkeys, mlx5_base_mkey(mkey->key), mkey, |
| 1280 | GFP_KERNEL)); |
Yishai Hadas | 534fd7a | 2019-01-13 16:01:17 +0200 | [diff] [blame] | 1281 | } |
| 1282 | |
Yishai Hadas | fa31f14 | 2019-01-13 16:01:16 +0200 | [diff] [blame] | 1283 | static int devx_handle_mkey_create(struct mlx5_ib_dev *dev, |
| 1284 | struct devx_obj *obj, |
| 1285 | void *in, int in_len) |
| 1286 | { |
| 1287 | int min_len = MLX5_BYTE_OFF(create_mkey_in, memory_key_mkey_entry) + |
| 1288 | MLX5_FLD_SZ_BYTES(create_mkey_in, |
| 1289 | memory_key_mkey_entry); |
| 1290 | void *mkc; |
| 1291 | u8 access_mode; |
| 1292 | |
| 1293 | if (in_len < min_len) |
| 1294 | return -EINVAL; |
| 1295 | |
| 1296 | mkc = MLX5_ADDR_OF(create_mkey_in, in, memory_key_mkey_entry); |
| 1297 | |
| 1298 | access_mode = MLX5_GET(mkc, mkc, access_mode_1_0); |
| 1299 | access_mode |= MLX5_GET(mkc, mkc, access_mode_4_2) << 2; |
| 1300 | |
| 1301 | if (access_mode == MLX5_MKC_ACCESS_MODE_KLMS || |
Yishai Hadas | 534fd7a | 2019-01-13 16:01:17 +0200 | [diff] [blame] | 1302 | access_mode == MLX5_MKC_ACCESS_MODE_KSM) { |
| 1303 | if (IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING)) |
| 1304 | obj->flags |= DEVX_OBJ_FLAGS_INDIRECT_MKEY; |
Yishai Hadas | fa31f14 | 2019-01-13 16:01:16 +0200 | [diff] [blame] | 1305 | return 0; |
Yishai Hadas | 534fd7a | 2019-01-13 16:01:17 +0200 | [diff] [blame] | 1306 | } |
Yishai Hadas | fa31f14 | 2019-01-13 16:01:16 +0200 | [diff] [blame] | 1307 | |
| 1308 | MLX5_SET(create_mkey_in, in, mkey_umem_valid, 1); |
| 1309 | return 0; |
| 1310 | } |
| 1311 | |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 1312 | static void devx_cleanup_subscription(struct mlx5_ib_dev *dev, |
| 1313 | struct devx_event_subscription *sub) |
| 1314 | { |
| 1315 | struct devx_event *event; |
| 1316 | struct devx_obj_event *xa_val_level2; |
| 1317 | |
| 1318 | if (sub->is_cleaned) |
| 1319 | return; |
| 1320 | |
| 1321 | sub->is_cleaned = 1; |
| 1322 | list_del_rcu(&sub->xa_list); |
| 1323 | |
| 1324 | if (list_empty(&sub->obj_list)) |
| 1325 | return; |
| 1326 | |
| 1327 | list_del_rcu(&sub->obj_list); |
| 1328 | /* check whether key level 1 for this obj_sub_list is empty */ |
| 1329 | event = xa_load(&dev->devx_event_table.event_xa, |
| 1330 | sub->xa_key_level1); |
| 1331 | WARN_ON(!event); |
| 1332 | |
| 1333 | xa_val_level2 = xa_load(&event->object_ids, sub->xa_key_level2); |
| 1334 | if (list_empty(&xa_val_level2->obj_sub_list)) { |
| 1335 | xa_erase(&event->object_ids, |
| 1336 | sub->xa_key_level2); |
| 1337 | kfree_rcu(xa_val_level2, rcu); |
| 1338 | } |
| 1339 | } |
| 1340 | |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1341 | static int devx_obj_cleanup(struct ib_uobject *uobject, |
Shamir Rabinovitch | a6a3797 | 2019-03-31 19:10:04 +0300 | [diff] [blame] | 1342 | enum rdma_remove_reason why, |
| 1343 | struct uverbs_attr_bundle *attrs) |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1344 | { |
| 1345 | u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)]; |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 1346 | struct mlx5_devx_event_table *devx_event_table; |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1347 | struct devx_obj *obj = uobject->object; |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 1348 | struct devx_event_subscription *sub_entry, *tmp; |
| 1349 | struct mlx5_ib_dev *dev; |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1350 | int ret; |
| 1351 | |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 1352 | dev = mlx5_udata_to_mdev(&attrs->driver_udata); |
Jason Gunthorpe | 0417791 | 2019-10-01 12:38:21 -0300 | [diff] [blame] | 1353 | if (obj->flags & DEVX_OBJ_FLAGS_INDIRECT_MKEY) { |
| 1354 | /* |
| 1355 | * The pagefault_single_data_segment() does commands against |
| 1356 | * the mmkey, we must wait for that to stop before freeing the |
| 1357 | * mkey, as another allocation could get the same mkey #. |
| 1358 | */ |
Jason Gunthorpe | 806b101 | 2019-10-09 13:09:23 -0300 | [diff] [blame] | 1359 | xa_erase(&obj->ib_dev->odp_mkeys, |
Jason Gunthorpe | 0417791 | 2019-10-01 12:38:21 -0300 | [diff] [blame] | 1360 | mlx5_base_mkey(obj->devx_mr.mmkey.key)); |
Jason Gunthorpe | 806b101 | 2019-10-09 13:09:23 -0300 | [diff] [blame] | 1361 | synchronize_srcu(&dev->odp_srcu); |
Jason Gunthorpe | 0417791 | 2019-10-01 12:38:21 -0300 | [diff] [blame] | 1362 | } |
Yishai Hadas | 534fd7a | 2019-01-13 16:01:17 +0200 | [diff] [blame] | 1363 | |
Yishai Hadas | c5ae195 | 2019-03-06 19:21:42 +0200 | [diff] [blame] | 1364 | if (obj->flags & DEVX_OBJ_FLAGS_DCT) |
Leon Romanovsky | 333fbaa | 2020-04-04 10:40:24 +0300 | [diff] [blame] | 1365 | ret = mlx5_core_destroy_dct(obj->ib_dev, &obj->core_dct); |
Yishai Hadas | ef1659a | 2019-06-30 19:23:33 +0300 | [diff] [blame] | 1366 | else if (obj->flags & DEVX_OBJ_FLAGS_CQ) |
Yishai Hadas | 5832fdd | 2019-06-30 19:23:34 +0300 | [diff] [blame] | 1367 | ret = mlx5_core_destroy_cq(obj->ib_dev->mdev, &obj->core_cq); |
Yishai Hadas | c5ae195 | 2019-03-06 19:21:42 +0200 | [diff] [blame] | 1368 | else |
Yishai Hadas | 5832fdd | 2019-06-30 19:23:34 +0300 | [diff] [blame] | 1369 | ret = mlx5_cmd_exec(obj->ib_dev->mdev, obj->dinbox, |
| 1370 | obj->dinlen, out, sizeof(out)); |
Yishai Hadas | 1c77483 | 2018-06-20 17:11:39 +0300 | [diff] [blame] | 1371 | if (ib_is_destroy_retryable(ret, why, uobject)) |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1372 | return ret; |
| 1373 | |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 1374 | devx_event_table = &dev->devx_event_table; |
Yishai Hadas | 534fd7a | 2019-01-13 16:01:17 +0200 | [diff] [blame] | 1375 | |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 1376 | mutex_lock(&devx_event_table->event_xa_lock); |
| 1377 | list_for_each_entry_safe(sub_entry, tmp, &obj->event_sub, obj_list) |
| 1378 | devx_cleanup_subscription(dev, sub_entry); |
| 1379 | mutex_unlock(&devx_event_table->event_xa_lock); |
| 1380 | |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1381 | kfree(obj); |
| 1382 | return ret; |
| 1383 | } |
| 1384 | |
Yishai Hadas | ef1659a | 2019-06-30 19:23:33 +0300 | [diff] [blame] | 1385 | static void devx_cq_comp(struct mlx5_core_cq *mcq, struct mlx5_eqe *eqe) |
| 1386 | { |
| 1387 | struct devx_obj *obj = container_of(mcq, struct devx_obj, core_cq); |
| 1388 | struct mlx5_devx_event_table *table; |
| 1389 | struct devx_event *event; |
| 1390 | struct devx_obj_event *obj_event; |
| 1391 | u32 obj_id = mcq->cqn; |
| 1392 | |
| 1393 | table = &obj->ib_dev->devx_event_table; |
| 1394 | rcu_read_lock(); |
| 1395 | event = xa_load(&table->event_xa, MLX5_EVENT_TYPE_COMP); |
| 1396 | if (!event) |
| 1397 | goto out; |
| 1398 | |
| 1399 | obj_event = xa_load(&event->object_ids, obj_id); |
| 1400 | if (!obj_event) |
| 1401 | goto out; |
| 1402 | |
| 1403 | dispatch_event_fd(&obj_event->obj_sub_list, eqe); |
| 1404 | out: |
| 1405 | rcu_read_unlock(); |
| 1406 | } |
| 1407 | |
Jason Gunthorpe | e83f0ec | 2018-07-25 21:40:18 -0600 | [diff] [blame] | 1408 | static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_CREATE)( |
Jason Gunthorpe | 15a1b4b | 2018-11-25 20:51:15 +0200 | [diff] [blame] | 1409 | struct uverbs_attr_bundle *attrs) |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1410 | { |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1411 | void *cmd_in = uverbs_attr_get_alloced_ptr(attrs, MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_IN); |
| 1412 | int cmd_out_len = uverbs_attr_get_len(attrs, |
| 1413 | MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_OUT); |
Yishai Hadas | fa31f14 | 2019-01-13 16:01:16 +0200 | [diff] [blame] | 1414 | int cmd_in_len = uverbs_attr_get_len(attrs, |
| 1415 | MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_IN); |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1416 | void *cmd_out; |
Jason Gunthorpe | c36ee46 | 2018-07-10 20:55:22 -0600 | [diff] [blame] | 1417 | struct ib_uobject *uobj = uverbs_attr_get_uobject( |
| 1418 | attrs, MLX5_IB_ATTR_DEVX_OBJ_CREATE_HANDLE); |
Shamir Rabinovitch | 8994445 | 2019-02-07 18:44:49 +0200 | [diff] [blame] | 1419 | struct mlx5_ib_ucontext *c = rdma_udata_to_drv_context( |
| 1420 | &attrs->driver_udata, struct mlx5_ib_ucontext, ibucontext); |
Jason Gunthorpe | c36ee46 | 2018-07-10 20:55:22 -0600 | [diff] [blame] | 1421 | struct mlx5_ib_dev *dev = to_mdev(c->ibucontext.device); |
Yishai Hadas | e8ef090 | 2018-09-25 12:11:12 +0300 | [diff] [blame] | 1422 | u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)]; |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1423 | struct devx_obj *obj; |
Yishai Hadas | cd5d20f | 2019-05-14 14:44:11 +0300 | [diff] [blame] | 1424 | u16 obj_type = 0; |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1425 | int err; |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 1426 | int uid; |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 1427 | u32 obj_id; |
| 1428 | u16 opcode; |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1429 | |
Max Gurtovoy | b614260 | 2019-07-01 21:14:02 +0300 | [diff] [blame] | 1430 | if (MLX5_GET(general_obj_in_cmd_hdr, cmd_in, vhca_tunnel_id)) |
| 1431 | return -EINVAL; |
| 1432 | |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 1433 | uid = devx_get_uid(c, cmd_in); |
| 1434 | if (uid < 0) |
| 1435 | return uid; |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1436 | |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 1437 | if (!devx_is_obj_create_cmd(cmd_in, &opcode)) |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1438 | return -EINVAL; |
| 1439 | |
Jason Gunthorpe | b61815e | 2018-08-09 20:14:41 -0600 | [diff] [blame] | 1440 | cmd_out = uverbs_zalloc(attrs, cmd_out_len); |
| 1441 | if (IS_ERR(cmd_out)) |
| 1442 | return PTR_ERR(cmd_out); |
| 1443 | |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1444 | obj = kzalloc(sizeof(struct devx_obj), GFP_KERNEL); |
| 1445 | if (!obj) |
| 1446 | return -ENOMEM; |
| 1447 | |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 1448 | MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, uid); |
Yishai Hadas | fa31f14 | 2019-01-13 16:01:16 +0200 | [diff] [blame] | 1449 | if (opcode == MLX5_CMD_OP_CREATE_MKEY) { |
| 1450 | err = devx_handle_mkey_create(dev, obj, cmd_in, cmd_in_len); |
| 1451 | if (err) |
| 1452 | goto obj_free; |
| 1453 | } else { |
| 1454 | devx_set_umem_valid(cmd_in); |
| 1455 | } |
Yishai Hadas | ba1a057 | 2018-09-20 21:39:33 +0300 | [diff] [blame] | 1456 | |
Yishai Hadas | c5ae195 | 2019-03-06 19:21:42 +0200 | [diff] [blame] | 1457 | if (opcode == MLX5_CMD_OP_CREATE_DCT) { |
| 1458 | obj->flags |= DEVX_OBJ_FLAGS_DCT; |
Leon Romanovsky | 333fbaa | 2020-04-04 10:40:24 +0300 | [diff] [blame] | 1459 | err = mlx5_core_create_dct(dev, &obj->core_dct, cmd_in, |
| 1460 | cmd_in_len, cmd_out, cmd_out_len); |
Yishai Hadas | ef1659a | 2019-06-30 19:23:33 +0300 | [diff] [blame] | 1461 | } else if (opcode == MLX5_CMD_OP_CREATE_CQ) { |
| 1462 | obj->flags |= DEVX_OBJ_FLAGS_CQ; |
| 1463 | obj->core_cq.comp = devx_cq_comp; |
| 1464 | err = mlx5_core_create_cq(dev->mdev, &obj->core_cq, |
| 1465 | cmd_in, cmd_in_len, cmd_out, |
| 1466 | cmd_out_len); |
Yishai Hadas | c5ae195 | 2019-03-06 19:21:42 +0200 | [diff] [blame] | 1467 | } else { |
| 1468 | err = mlx5_cmd_exec(dev->mdev, cmd_in, |
| 1469 | cmd_in_len, |
| 1470 | cmd_out, cmd_out_len); |
| 1471 | } |
| 1472 | |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1473 | if (err) |
Jason Gunthorpe | b61815e | 2018-08-09 20:14:41 -0600 | [diff] [blame] | 1474 | goto obj_free; |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1475 | |
Yevgeny Kliteynik | 208d70f | 2019-11-03 16:07:23 +0200 | [diff] [blame] | 1476 | if (opcode == MLX5_CMD_OP_ALLOC_FLOW_COUNTER) { |
| 1477 | u8 bulk = MLX5_GET(alloc_flow_counter_in, |
| 1478 | cmd_in, |
| 1479 | flow_counter_bulk); |
| 1480 | obj->flow_counter_bulk_size = 128UL * bulk; |
| 1481 | } |
| 1482 | |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1483 | uobj->object = obj; |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 1484 | INIT_LIST_HEAD(&obj->event_sub); |
Yishai Hadas | ef1659a | 2019-06-30 19:23:33 +0300 | [diff] [blame] | 1485 | obj->ib_dev = dev; |
Yishai Hadas | 2351776e | 2018-10-07 12:06:34 +0300 | [diff] [blame] | 1486 | devx_obj_build_destroy_cmd(cmd_in, cmd_out, obj->dinbox, &obj->dinlen, |
| 1487 | &obj_id); |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1488 | WARN_ON(obj->dinlen > MLX5_MAX_DESTROY_INBOX_SIZE_DW * sizeof(u32)); |
| 1489 | |
Jason Gunthorpe | 0417791 | 2019-10-01 12:38:21 -0300 | [diff] [blame] | 1490 | err = uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_OUT, cmd_out, cmd_out_len); |
| 1491 | if (err) |
| 1492 | goto obj_destroy; |
| 1493 | |
| 1494 | if (opcode == MLX5_CMD_OP_CREATE_GENERAL_OBJECT) |
| 1495 | obj_type = MLX5_GET(general_obj_in_cmd_hdr, cmd_in, obj_type); |
| 1496 | obj->obj_id = get_enc_obj_id(opcode | obj_type << 16, obj_id); |
| 1497 | |
Yishai Hadas | 534fd7a | 2019-01-13 16:01:17 +0200 | [diff] [blame] | 1498 | if (obj->flags & DEVX_OBJ_FLAGS_INDIRECT_MKEY) { |
| 1499 | err = devx_handle_mkey_indirect(obj, dev, cmd_in, cmd_out); |
| 1500 | if (err) |
| 1501 | goto obj_destroy; |
| 1502 | } |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1503 | return 0; |
| 1504 | |
Yishai Hadas | 0da4d48 | 2019-02-11 17:40:53 +0200 | [diff] [blame] | 1505 | obj_destroy: |
Yishai Hadas | c5ae195 | 2019-03-06 19:21:42 +0200 | [diff] [blame] | 1506 | if (obj->flags & DEVX_OBJ_FLAGS_DCT) |
Leon Romanovsky | 333fbaa | 2020-04-04 10:40:24 +0300 | [diff] [blame] | 1507 | mlx5_core_destroy_dct(obj->ib_dev, &obj->core_dct); |
Yishai Hadas | ef1659a | 2019-06-30 19:23:33 +0300 | [diff] [blame] | 1508 | else if (obj->flags & DEVX_OBJ_FLAGS_CQ) |
Yishai Hadas | 5832fdd | 2019-06-30 19:23:34 +0300 | [diff] [blame] | 1509 | mlx5_core_destroy_cq(obj->ib_dev->mdev, &obj->core_cq); |
Yishai Hadas | c5ae195 | 2019-03-06 19:21:42 +0200 | [diff] [blame] | 1510 | else |
Yishai Hadas | 5832fdd | 2019-06-30 19:23:34 +0300 | [diff] [blame] | 1511 | mlx5_cmd_exec(obj->ib_dev->mdev, obj->dinbox, obj->dinlen, out, |
Yishai Hadas | c5ae195 | 2019-03-06 19:21:42 +0200 | [diff] [blame] | 1512 | sizeof(out)); |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 1513 | obj_free: |
| 1514 | kfree(obj); |
| 1515 | return err; |
| 1516 | } |
| 1517 | |
Jason Gunthorpe | e83f0ec | 2018-07-25 21:40:18 -0600 | [diff] [blame] | 1518 | static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_MODIFY)( |
Jason Gunthorpe | 15a1b4b | 2018-11-25 20:51:15 +0200 | [diff] [blame] | 1519 | struct uverbs_attr_bundle *attrs) |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1520 | { |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1521 | void *cmd_in = uverbs_attr_get_alloced_ptr(attrs, MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_IN); |
| 1522 | int cmd_out_len = uverbs_attr_get_len(attrs, |
| 1523 | MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_OUT); |
| 1524 | struct ib_uobject *uobj = uverbs_attr_get_uobject(attrs, |
| 1525 | MLX5_IB_ATTR_DEVX_OBJ_MODIFY_HANDLE); |
Shamir Rabinovitch | 8994445 | 2019-02-07 18:44:49 +0200 | [diff] [blame] | 1526 | struct mlx5_ib_ucontext *c = rdma_udata_to_drv_context( |
| 1527 | &attrs->driver_udata, struct mlx5_ib_ucontext, ibucontext); |
| 1528 | struct mlx5_ib_dev *mdev = to_mdev(c->ibucontext.device); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1529 | void *cmd_out; |
| 1530 | int err; |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 1531 | int uid; |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1532 | |
Max Gurtovoy | b614260 | 2019-07-01 21:14:02 +0300 | [diff] [blame] | 1533 | if (MLX5_GET(general_obj_in_cmd_hdr, cmd_in, vhca_tunnel_id)) |
| 1534 | return -EINVAL; |
| 1535 | |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 1536 | uid = devx_get_uid(c, cmd_in); |
| 1537 | if (uid < 0) |
| 1538 | return uid; |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1539 | |
| 1540 | if (!devx_is_obj_modify_cmd(cmd_in)) |
| 1541 | return -EINVAL; |
| 1542 | |
Jason Gunthorpe | e79c9c6 | 2019-04-01 17:08:23 -0300 | [diff] [blame] | 1543 | if (!devx_is_valid_obj_id(attrs, uobj, cmd_in)) |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1544 | return -EINVAL; |
| 1545 | |
Jason Gunthorpe | b61815e | 2018-08-09 20:14:41 -0600 | [diff] [blame] | 1546 | cmd_out = uverbs_zalloc(attrs, cmd_out_len); |
| 1547 | if (IS_ERR(cmd_out)) |
| 1548 | return PTR_ERR(cmd_out); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1549 | |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 1550 | MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, uid); |
Yishai Hadas | ba1a057 | 2018-09-20 21:39:33 +0300 | [diff] [blame] | 1551 | devx_set_umem_valid(cmd_in); |
| 1552 | |
Yishai Hadas | 34613eb | 2018-11-26 08:28:35 +0200 | [diff] [blame] | 1553 | err = mlx5_cmd_exec(mdev->mdev, cmd_in, |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1554 | uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_IN), |
| 1555 | cmd_out, cmd_out_len); |
| 1556 | if (err) |
Jason Gunthorpe | b61815e | 2018-08-09 20:14:41 -0600 | [diff] [blame] | 1557 | return err; |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1558 | |
Jason Gunthorpe | b61815e | 2018-08-09 20:14:41 -0600 | [diff] [blame] | 1559 | return uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_OUT, |
| 1560 | cmd_out, cmd_out_len); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1561 | } |
| 1562 | |
Jason Gunthorpe | e83f0ec | 2018-07-25 21:40:18 -0600 | [diff] [blame] | 1563 | static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_QUERY)( |
Jason Gunthorpe | 15a1b4b | 2018-11-25 20:51:15 +0200 | [diff] [blame] | 1564 | struct uverbs_attr_bundle *attrs) |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1565 | { |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1566 | void *cmd_in = uverbs_attr_get_alloced_ptr(attrs, MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_IN); |
| 1567 | int cmd_out_len = uverbs_attr_get_len(attrs, |
| 1568 | MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_OUT); |
| 1569 | struct ib_uobject *uobj = uverbs_attr_get_uobject(attrs, |
| 1570 | MLX5_IB_ATTR_DEVX_OBJ_QUERY_HANDLE); |
Shamir Rabinovitch | 8994445 | 2019-02-07 18:44:49 +0200 | [diff] [blame] | 1571 | struct mlx5_ib_ucontext *c = rdma_udata_to_drv_context( |
| 1572 | &attrs->driver_udata, struct mlx5_ib_ucontext, ibucontext); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1573 | void *cmd_out; |
| 1574 | int err; |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 1575 | int uid; |
Shamir Rabinovitch | 8994445 | 2019-02-07 18:44:49 +0200 | [diff] [blame] | 1576 | struct mlx5_ib_dev *mdev = to_mdev(c->ibucontext.device); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1577 | |
Max Gurtovoy | b614260 | 2019-07-01 21:14:02 +0300 | [diff] [blame] | 1578 | if (MLX5_GET(general_obj_in_cmd_hdr, cmd_in, vhca_tunnel_id)) |
| 1579 | return -EINVAL; |
| 1580 | |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 1581 | uid = devx_get_uid(c, cmd_in); |
| 1582 | if (uid < 0) |
| 1583 | return uid; |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1584 | |
| 1585 | if (!devx_is_obj_query_cmd(cmd_in)) |
| 1586 | return -EINVAL; |
| 1587 | |
Jason Gunthorpe | e79c9c6 | 2019-04-01 17:08:23 -0300 | [diff] [blame] | 1588 | if (!devx_is_valid_obj_id(attrs, uobj, cmd_in)) |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1589 | return -EINVAL; |
| 1590 | |
Jason Gunthorpe | b61815e | 2018-08-09 20:14:41 -0600 | [diff] [blame] | 1591 | cmd_out = uverbs_zalloc(attrs, cmd_out_len); |
| 1592 | if (IS_ERR(cmd_out)) |
| 1593 | return PTR_ERR(cmd_out); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1594 | |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 1595 | MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, uid); |
Yishai Hadas | 34613eb | 2018-11-26 08:28:35 +0200 | [diff] [blame] | 1596 | err = mlx5_cmd_exec(mdev->mdev, cmd_in, |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1597 | uverbs_attr_get_len(attrs, MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_IN), |
| 1598 | cmd_out, cmd_out_len); |
| 1599 | if (err) |
Jason Gunthorpe | b61815e | 2018-08-09 20:14:41 -0600 | [diff] [blame] | 1600 | return err; |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1601 | |
Jason Gunthorpe | b61815e | 2018-08-09 20:14:41 -0600 | [diff] [blame] | 1602 | return uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_OUT, |
| 1603 | cmd_out, cmd_out_len); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 1604 | } |
| 1605 | |
Yishai Hadas | 6bf8f22 | 2019-01-22 08:29:56 +0200 | [diff] [blame] | 1606 | struct devx_async_event_queue { |
| 1607 | spinlock_t lock; |
| 1608 | wait_queue_head_t poll_wait; |
| 1609 | struct list_head event_list; |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 1610 | atomic_t bytes_in_use; |
Yishai Hadas | eaebaf7 | 2019-01-22 08:29:59 +0200 | [diff] [blame] | 1611 | u8 is_destroyed:1; |
Yishai Hadas | 6bf8f22 | 2019-01-22 08:29:56 +0200 | [diff] [blame] | 1612 | }; |
| 1613 | |
| 1614 | struct devx_async_cmd_event_file { |
| 1615 | struct ib_uobject uobj; |
| 1616 | struct devx_async_event_queue ev_queue; |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 1617 | struct mlx5_async_ctx async_ctx; |
Yishai Hadas | 6bf8f22 | 2019-01-22 08:29:56 +0200 | [diff] [blame] | 1618 | }; |
| 1619 | |
| 1620 | static void devx_init_event_queue(struct devx_async_event_queue *ev_queue) |
| 1621 | { |
| 1622 | spin_lock_init(&ev_queue->lock); |
| 1623 | INIT_LIST_HEAD(&ev_queue->event_list); |
| 1624 | init_waitqueue_head(&ev_queue->poll_wait); |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 1625 | atomic_set(&ev_queue->bytes_in_use, 0); |
Yishai Hadas | eaebaf7 | 2019-01-22 08:29:59 +0200 | [diff] [blame] | 1626 | ev_queue->is_destroyed = 0; |
Yishai Hadas | 6bf8f22 | 2019-01-22 08:29:56 +0200 | [diff] [blame] | 1627 | } |
| 1628 | |
| 1629 | static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_ASYNC_CMD_FD_ALLOC)( |
| 1630 | struct uverbs_attr_bundle *attrs) |
| 1631 | { |
| 1632 | struct devx_async_cmd_event_file *ev_file; |
| 1633 | |
| 1634 | struct ib_uobject *uobj = uverbs_attr_get_uobject( |
| 1635 | attrs, MLX5_IB_ATTR_DEVX_ASYNC_CMD_FD_ALLOC_HANDLE); |
Jason Gunthorpe | e79c9c6 | 2019-04-01 17:08:23 -0300 | [diff] [blame] | 1636 | struct mlx5_ib_dev *mdev = mlx5_udata_to_mdev(&attrs->driver_udata); |
Yishai Hadas | 6bf8f22 | 2019-01-22 08:29:56 +0200 | [diff] [blame] | 1637 | |
| 1638 | ev_file = container_of(uobj, struct devx_async_cmd_event_file, |
| 1639 | uobj); |
| 1640 | devx_init_event_queue(&ev_file->ev_queue); |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 1641 | mlx5_cmd_init_async_ctx(mdev->mdev, &ev_file->async_ctx); |
Yishai Hadas | 6bf8f22 | 2019-01-22 08:29:56 +0200 | [diff] [blame] | 1642 | return 0; |
| 1643 | } |
| 1644 | |
Yishai Hadas | 2afc5e1 | 2019-06-30 19:23:29 +0300 | [diff] [blame] | 1645 | static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_ASYNC_EVENT_FD_ALLOC)( |
| 1646 | struct uverbs_attr_bundle *attrs) |
| 1647 | { |
| 1648 | struct ib_uobject *uobj = uverbs_attr_get_uobject( |
| 1649 | attrs, MLX5_IB_ATTR_DEVX_ASYNC_EVENT_FD_ALLOC_HANDLE); |
| 1650 | struct devx_async_event_file *ev_file; |
| 1651 | struct mlx5_ib_ucontext *c = rdma_udata_to_drv_context( |
| 1652 | &attrs->driver_udata, struct mlx5_ib_ucontext, ibucontext); |
| 1653 | struct mlx5_ib_dev *dev = to_mdev(c->ibucontext.device); |
| 1654 | u32 flags; |
| 1655 | int err; |
| 1656 | |
| 1657 | err = uverbs_get_flags32(&flags, attrs, |
| 1658 | MLX5_IB_ATTR_DEVX_ASYNC_EVENT_FD_ALLOC_FLAGS, |
| 1659 | MLX5_IB_UAPI_DEVX_CR_EV_CH_FLAGS_OMIT_DATA); |
| 1660 | |
| 1661 | if (err) |
| 1662 | return err; |
| 1663 | |
| 1664 | ev_file = container_of(uobj, struct devx_async_event_file, |
| 1665 | uobj); |
| 1666 | spin_lock_init(&ev_file->lock); |
| 1667 | INIT_LIST_HEAD(&ev_file->event_list); |
| 1668 | init_waitqueue_head(&ev_file->poll_wait); |
| 1669 | if (flags & MLX5_IB_UAPI_DEVX_CR_EV_CH_FLAGS_OMIT_DATA) |
| 1670 | ev_file->omit_data = 1; |
| 1671 | INIT_LIST_HEAD(&ev_file->subscribed_events_list); |
| 1672 | ev_file->dev = dev; |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 1673 | get_device(&dev->ib_dev.dev); |
Yishai Hadas | 2afc5e1 | 2019-06-30 19:23:29 +0300 | [diff] [blame] | 1674 | return 0; |
| 1675 | } |
| 1676 | |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 1677 | static void devx_query_callback(int status, struct mlx5_async_work *context) |
| 1678 | { |
| 1679 | struct devx_async_data *async_data = |
| 1680 | container_of(context, struct devx_async_data, cb_work); |
Jason Gunthorpe | 93887e6 | 2020-01-08 19:21:55 +0200 | [diff] [blame] | 1681 | struct devx_async_cmd_event_file *ev_file = async_data->ev_file; |
| 1682 | struct devx_async_event_queue *ev_queue = &ev_file->ev_queue; |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 1683 | unsigned long flags; |
| 1684 | |
Jason Gunthorpe | 93887e6 | 2020-01-08 19:21:55 +0200 | [diff] [blame] | 1685 | /* |
| 1686 | * Note that if the struct devx_async_cmd_event_file uobj begins to be |
| 1687 | * destroyed it will block at mlx5_cmd_cleanup_async_ctx() until this |
| 1688 | * routine returns, ensuring that it always remains valid here. |
| 1689 | */ |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 1690 | spin_lock_irqsave(&ev_queue->lock, flags); |
| 1691 | list_add_tail(&async_data->list, &ev_queue->event_list); |
| 1692 | spin_unlock_irqrestore(&ev_queue->lock, flags); |
| 1693 | |
| 1694 | wake_up_interruptible(&ev_queue->poll_wait); |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 1695 | } |
| 1696 | |
| 1697 | #define MAX_ASYNC_BYTES_IN_USE (1024 * 1024) /* 1MB */ |
| 1698 | |
| 1699 | static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_OBJ_ASYNC_QUERY)( |
| 1700 | struct uverbs_attr_bundle *attrs) |
| 1701 | { |
| 1702 | void *cmd_in = uverbs_attr_get_alloced_ptr(attrs, |
| 1703 | MLX5_IB_ATTR_DEVX_OBJ_QUERY_ASYNC_CMD_IN); |
| 1704 | struct ib_uobject *uobj = uverbs_attr_get_uobject( |
| 1705 | attrs, |
| 1706 | MLX5_IB_ATTR_DEVX_OBJ_QUERY_ASYNC_HANDLE); |
| 1707 | u16 cmd_out_len; |
Shamir Rabinovitch | 8994445 | 2019-02-07 18:44:49 +0200 | [diff] [blame] | 1708 | struct mlx5_ib_ucontext *c = rdma_udata_to_drv_context( |
| 1709 | &attrs->driver_udata, struct mlx5_ib_ucontext, ibucontext); |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 1710 | struct ib_uobject *fd_uobj; |
| 1711 | int err; |
| 1712 | int uid; |
Shamir Rabinovitch | 8994445 | 2019-02-07 18:44:49 +0200 | [diff] [blame] | 1713 | struct mlx5_ib_dev *mdev = to_mdev(c->ibucontext.device); |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 1714 | struct devx_async_cmd_event_file *ev_file; |
| 1715 | struct devx_async_data *async_data; |
| 1716 | |
Max Gurtovoy | b614260 | 2019-07-01 21:14:02 +0300 | [diff] [blame] | 1717 | if (MLX5_GET(general_obj_in_cmd_hdr, cmd_in, vhca_tunnel_id)) |
| 1718 | return -EINVAL; |
| 1719 | |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 1720 | uid = devx_get_uid(c, cmd_in); |
| 1721 | if (uid < 0) |
| 1722 | return uid; |
| 1723 | |
| 1724 | if (!devx_is_obj_query_cmd(cmd_in)) |
| 1725 | return -EINVAL; |
| 1726 | |
| 1727 | err = uverbs_get_const(&cmd_out_len, attrs, |
| 1728 | MLX5_IB_ATTR_DEVX_OBJ_QUERY_ASYNC_OUT_LEN); |
| 1729 | if (err) |
| 1730 | return err; |
| 1731 | |
Jason Gunthorpe | e79c9c6 | 2019-04-01 17:08:23 -0300 | [diff] [blame] | 1732 | if (!devx_is_valid_obj_id(attrs, uobj, cmd_in)) |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 1733 | return -EINVAL; |
| 1734 | |
| 1735 | fd_uobj = uverbs_attr_get_uobject(attrs, |
| 1736 | MLX5_IB_ATTR_DEVX_OBJ_QUERY_ASYNC_FD); |
| 1737 | if (IS_ERR(fd_uobj)) |
| 1738 | return PTR_ERR(fd_uobj); |
| 1739 | |
| 1740 | ev_file = container_of(fd_uobj, struct devx_async_cmd_event_file, |
| 1741 | uobj); |
| 1742 | |
| 1743 | if (atomic_add_return(cmd_out_len, &ev_file->ev_queue.bytes_in_use) > |
| 1744 | MAX_ASYNC_BYTES_IN_USE) { |
| 1745 | atomic_sub(cmd_out_len, &ev_file->ev_queue.bytes_in_use); |
| 1746 | return -EAGAIN; |
| 1747 | } |
| 1748 | |
| 1749 | async_data = kvzalloc(struct_size(async_data, hdr.out_data, |
| 1750 | cmd_out_len), GFP_KERNEL); |
| 1751 | if (!async_data) { |
| 1752 | err = -ENOMEM; |
| 1753 | goto sub_bytes; |
| 1754 | } |
| 1755 | |
| 1756 | err = uverbs_copy_from(&async_data->hdr.wr_id, attrs, |
| 1757 | MLX5_IB_ATTR_DEVX_OBJ_QUERY_ASYNC_WR_ID); |
| 1758 | if (err) |
| 1759 | goto free_async; |
| 1760 | |
| 1761 | async_data->cmd_out_len = cmd_out_len; |
| 1762 | async_data->mdev = mdev; |
Jason Gunthorpe | 93887e6 | 2020-01-08 19:21:55 +0200 | [diff] [blame] | 1763 | async_data->ev_file = ev_file; |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 1764 | |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 1765 | MLX5_SET(general_obj_in_cmd_hdr, cmd_in, uid, uid); |
| 1766 | err = mlx5_cmd_exec_cb(&ev_file->async_ctx, cmd_in, |
| 1767 | uverbs_attr_get_len(attrs, |
| 1768 | MLX5_IB_ATTR_DEVX_OBJ_QUERY_ASYNC_CMD_IN), |
| 1769 | async_data->hdr.out_data, |
| 1770 | async_data->cmd_out_len, |
| 1771 | devx_query_callback, &async_data->cb_work); |
| 1772 | |
| 1773 | if (err) |
Jason Gunthorpe | 93887e6 | 2020-01-08 19:21:55 +0200 | [diff] [blame] | 1774 | goto free_async; |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 1775 | |
| 1776 | return 0; |
| 1777 | |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 1778 | free_async: |
| 1779 | kvfree(async_data); |
| 1780 | sub_bytes: |
| 1781 | atomic_sub(cmd_out_len, &ev_file->ev_queue.bytes_in_use); |
| 1782 | return err; |
| 1783 | } |
| 1784 | |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 1785 | static void |
| 1786 | subscribe_event_xa_dealloc(struct mlx5_devx_event_table *devx_event_table, |
| 1787 | u32 key_level1, |
| 1788 | bool is_level2, |
| 1789 | u32 key_level2) |
| 1790 | { |
| 1791 | struct devx_event *event; |
| 1792 | struct devx_obj_event *xa_val_level2; |
| 1793 | |
| 1794 | /* Level 1 is valid for future use, no need to free */ |
| 1795 | if (!is_level2) |
| 1796 | return; |
| 1797 | |
| 1798 | event = xa_load(&devx_event_table->event_xa, key_level1); |
| 1799 | WARN_ON(!event); |
| 1800 | |
| 1801 | xa_val_level2 = xa_load(&event->object_ids, |
| 1802 | key_level2); |
| 1803 | if (list_empty(&xa_val_level2->obj_sub_list)) { |
| 1804 | xa_erase(&event->object_ids, |
| 1805 | key_level2); |
| 1806 | kfree_rcu(xa_val_level2, rcu); |
| 1807 | } |
| 1808 | } |
| 1809 | |
| 1810 | static int |
| 1811 | subscribe_event_xa_alloc(struct mlx5_devx_event_table *devx_event_table, |
| 1812 | u32 key_level1, |
| 1813 | bool is_level2, |
| 1814 | u32 key_level2) |
| 1815 | { |
| 1816 | struct devx_obj_event *obj_event; |
| 1817 | struct devx_event *event; |
| 1818 | int err; |
| 1819 | |
| 1820 | event = xa_load(&devx_event_table->event_xa, key_level1); |
| 1821 | if (!event) { |
| 1822 | event = kzalloc(sizeof(*event), GFP_KERNEL); |
| 1823 | if (!event) |
| 1824 | return -ENOMEM; |
| 1825 | |
| 1826 | INIT_LIST_HEAD(&event->unaffiliated_list); |
| 1827 | xa_init(&event->object_ids); |
| 1828 | |
| 1829 | err = xa_insert(&devx_event_table->event_xa, |
| 1830 | key_level1, |
| 1831 | event, |
| 1832 | GFP_KERNEL); |
| 1833 | if (err) { |
| 1834 | kfree(event); |
| 1835 | return err; |
| 1836 | } |
| 1837 | } |
| 1838 | |
| 1839 | if (!is_level2) |
| 1840 | return 0; |
| 1841 | |
| 1842 | obj_event = xa_load(&event->object_ids, key_level2); |
| 1843 | if (!obj_event) { |
| 1844 | obj_event = kzalloc(sizeof(*obj_event), GFP_KERNEL); |
| 1845 | if (!obj_event) |
| 1846 | /* Level1 is valid for future use, no need to free */ |
| 1847 | return -ENOMEM; |
| 1848 | |
| 1849 | err = xa_insert(&event->object_ids, |
| 1850 | key_level2, |
| 1851 | obj_event, |
| 1852 | GFP_KERNEL); |
| 1853 | if (err) |
| 1854 | return err; |
| 1855 | INIT_LIST_HEAD(&obj_event->obj_sub_list); |
| 1856 | } |
| 1857 | |
| 1858 | return 0; |
| 1859 | } |
| 1860 | |
| 1861 | static bool is_valid_events_legacy(int num_events, u16 *event_type_num_list, |
| 1862 | struct devx_obj *obj) |
| 1863 | { |
| 1864 | int i; |
| 1865 | |
| 1866 | for (i = 0; i < num_events; i++) { |
| 1867 | if (obj) { |
| 1868 | if (!is_legacy_obj_event_num(event_type_num_list[i])) |
| 1869 | return false; |
| 1870 | } else if (!is_legacy_unaffiliated_event_num( |
| 1871 | event_type_num_list[i])) { |
| 1872 | return false; |
| 1873 | } |
| 1874 | } |
| 1875 | |
| 1876 | return true; |
| 1877 | } |
| 1878 | |
| 1879 | #define MAX_SUPP_EVENT_NUM 255 |
| 1880 | static bool is_valid_events(struct mlx5_core_dev *dev, |
| 1881 | int num_events, u16 *event_type_num_list, |
| 1882 | struct devx_obj *obj) |
| 1883 | { |
| 1884 | __be64 *aff_events; |
| 1885 | __be64 *unaff_events; |
| 1886 | int mask_entry; |
| 1887 | int mask_bit; |
| 1888 | int i; |
| 1889 | |
| 1890 | if (MLX5_CAP_GEN(dev, event_cap)) { |
| 1891 | aff_events = MLX5_CAP_DEV_EVENT(dev, |
| 1892 | user_affiliated_events); |
| 1893 | unaff_events = MLX5_CAP_DEV_EVENT(dev, |
| 1894 | user_unaffiliated_events); |
| 1895 | } else { |
| 1896 | return is_valid_events_legacy(num_events, event_type_num_list, |
| 1897 | obj); |
| 1898 | } |
| 1899 | |
| 1900 | for (i = 0; i < num_events; i++) { |
| 1901 | if (event_type_num_list[i] > MAX_SUPP_EVENT_NUM) |
| 1902 | return false; |
| 1903 | |
| 1904 | mask_entry = event_type_num_list[i] / 64; |
| 1905 | mask_bit = event_type_num_list[i] % 64; |
| 1906 | |
| 1907 | if (obj) { |
| 1908 | /* CQ completion */ |
| 1909 | if (event_type_num_list[i] == 0) |
| 1910 | continue; |
| 1911 | |
| 1912 | if (!(be64_to_cpu(aff_events[mask_entry]) & |
| 1913 | (1ull << mask_bit))) |
| 1914 | return false; |
| 1915 | |
| 1916 | continue; |
| 1917 | } |
| 1918 | |
| 1919 | if (!(be64_to_cpu(unaff_events[mask_entry]) & |
| 1920 | (1ull << mask_bit))) |
| 1921 | return false; |
| 1922 | } |
| 1923 | |
| 1924 | return true; |
| 1925 | } |
| 1926 | |
| 1927 | #define MAX_NUM_EVENTS 16 |
| 1928 | static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_SUBSCRIBE_EVENT)( |
| 1929 | struct uverbs_attr_bundle *attrs) |
| 1930 | { |
| 1931 | struct ib_uobject *devx_uobj = uverbs_attr_get_uobject( |
| 1932 | attrs, |
| 1933 | MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_OBJ_HANDLE); |
| 1934 | struct mlx5_ib_ucontext *c = rdma_udata_to_drv_context( |
| 1935 | &attrs->driver_udata, struct mlx5_ib_ucontext, ibucontext); |
| 1936 | struct mlx5_ib_dev *dev = to_mdev(c->ibucontext.device); |
| 1937 | struct ib_uobject *fd_uobj; |
| 1938 | struct devx_obj *obj = NULL; |
| 1939 | struct devx_async_event_file *ev_file; |
| 1940 | struct mlx5_devx_event_table *devx_event_table = &dev->devx_event_table; |
| 1941 | u16 *event_type_num_list; |
| 1942 | struct devx_event_subscription *event_sub, *tmp_sub; |
| 1943 | struct list_head sub_list; |
| 1944 | int redirect_fd; |
| 1945 | bool use_eventfd = false; |
| 1946 | int num_events; |
| 1947 | int num_alloc_xa_entries = 0; |
| 1948 | u16 obj_type = 0; |
| 1949 | u64 cookie = 0; |
| 1950 | u32 obj_id = 0; |
| 1951 | int err; |
| 1952 | int i; |
| 1953 | |
| 1954 | if (!c->devx_uid) |
| 1955 | return -EINVAL; |
| 1956 | |
| 1957 | if (!IS_ERR(devx_uobj)) { |
| 1958 | obj = (struct devx_obj *)devx_uobj->object; |
| 1959 | if (obj) |
| 1960 | obj_id = get_dec_obj_id(obj->obj_id); |
| 1961 | } |
| 1962 | |
| 1963 | fd_uobj = uverbs_attr_get_uobject(attrs, |
| 1964 | MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_FD_HANDLE); |
| 1965 | if (IS_ERR(fd_uobj)) |
| 1966 | return PTR_ERR(fd_uobj); |
| 1967 | |
| 1968 | ev_file = container_of(fd_uobj, struct devx_async_event_file, |
| 1969 | uobj); |
| 1970 | |
| 1971 | if (uverbs_attr_is_valid(attrs, |
| 1972 | MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_FD_NUM)) { |
| 1973 | err = uverbs_copy_from(&redirect_fd, attrs, |
| 1974 | MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_FD_NUM); |
| 1975 | if (err) |
| 1976 | return err; |
| 1977 | |
| 1978 | use_eventfd = true; |
| 1979 | } |
| 1980 | |
| 1981 | if (uverbs_attr_is_valid(attrs, |
| 1982 | MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_COOKIE)) { |
| 1983 | if (use_eventfd) |
| 1984 | return -EINVAL; |
| 1985 | |
| 1986 | err = uverbs_copy_from(&cookie, attrs, |
| 1987 | MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_COOKIE); |
| 1988 | if (err) |
| 1989 | return err; |
| 1990 | } |
| 1991 | |
| 1992 | num_events = uverbs_attr_ptr_get_array_size( |
| 1993 | attrs, MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_TYPE_NUM_LIST, |
| 1994 | sizeof(u16)); |
| 1995 | |
| 1996 | if (num_events < 0) |
| 1997 | return num_events; |
| 1998 | |
| 1999 | if (num_events > MAX_NUM_EVENTS) |
| 2000 | return -EINVAL; |
| 2001 | |
| 2002 | event_type_num_list = uverbs_attr_get_alloced_ptr(attrs, |
| 2003 | MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_TYPE_NUM_LIST); |
| 2004 | |
| 2005 | if (!is_valid_events(dev->mdev, num_events, event_type_num_list, obj)) |
| 2006 | return -EINVAL; |
| 2007 | |
| 2008 | INIT_LIST_HEAD(&sub_list); |
| 2009 | |
| 2010 | /* Protect from concurrent subscriptions to same XA entries to allow |
| 2011 | * both to succeed |
| 2012 | */ |
| 2013 | mutex_lock(&devx_event_table->event_xa_lock); |
| 2014 | for (i = 0; i < num_events; i++) { |
| 2015 | u32 key_level1; |
| 2016 | |
| 2017 | if (obj) |
| 2018 | obj_type = get_dec_obj_type(obj, |
| 2019 | event_type_num_list[i]); |
| 2020 | key_level1 = event_type_num_list[i] | obj_type << 16; |
| 2021 | |
| 2022 | err = subscribe_event_xa_alloc(devx_event_table, |
| 2023 | key_level1, |
| 2024 | obj, |
| 2025 | obj_id); |
| 2026 | if (err) |
| 2027 | goto err; |
| 2028 | |
| 2029 | num_alloc_xa_entries++; |
| 2030 | event_sub = kzalloc(sizeof(*event_sub), GFP_KERNEL); |
| 2031 | if (!event_sub) |
| 2032 | goto err; |
| 2033 | |
| 2034 | list_add_tail(&event_sub->event_list, &sub_list); |
Jason Gunthorpe | 6898d1c | 2020-01-08 19:21:53 +0200 | [diff] [blame] | 2035 | uverbs_uobject_get(&ev_file->uobj); |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 2036 | if (use_eventfd) { |
| 2037 | event_sub->eventfd = |
| 2038 | eventfd_ctx_fdget(redirect_fd); |
| 2039 | |
Dan Carpenter | e7e6c63 | 2019-08-07 15:32:36 +0300 | [diff] [blame] | 2040 | if (IS_ERR(event_sub->eventfd)) { |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 2041 | err = PTR_ERR(event_sub->eventfd); |
| 2042 | event_sub->eventfd = NULL; |
| 2043 | goto err; |
| 2044 | } |
| 2045 | } |
| 2046 | |
| 2047 | event_sub->cookie = cookie; |
| 2048 | event_sub->ev_file = ev_file; |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 2049 | /* May be needed upon cleanup the devx object/subscription */ |
| 2050 | event_sub->xa_key_level1 = key_level1; |
| 2051 | event_sub->xa_key_level2 = obj_id; |
| 2052 | INIT_LIST_HEAD(&event_sub->obj_list); |
| 2053 | } |
| 2054 | |
| 2055 | /* Once all the allocations and the XA data insertions were done we |
| 2056 | * can go ahead and add all the subscriptions to the relevant lists |
| 2057 | * without concern of a failure. |
| 2058 | */ |
| 2059 | list_for_each_entry_safe(event_sub, tmp_sub, &sub_list, event_list) { |
| 2060 | struct devx_event *event; |
| 2061 | struct devx_obj_event *obj_event; |
| 2062 | |
| 2063 | list_del_init(&event_sub->event_list); |
| 2064 | |
| 2065 | spin_lock_irq(&ev_file->lock); |
| 2066 | list_add_tail_rcu(&event_sub->file_list, |
| 2067 | &ev_file->subscribed_events_list); |
| 2068 | spin_unlock_irq(&ev_file->lock); |
| 2069 | |
| 2070 | event = xa_load(&devx_event_table->event_xa, |
| 2071 | event_sub->xa_key_level1); |
| 2072 | WARN_ON(!event); |
| 2073 | |
| 2074 | if (!obj) { |
| 2075 | list_add_tail_rcu(&event_sub->xa_list, |
| 2076 | &event->unaffiliated_list); |
| 2077 | continue; |
| 2078 | } |
| 2079 | |
| 2080 | obj_event = xa_load(&event->object_ids, obj_id); |
| 2081 | WARN_ON(!obj_event); |
| 2082 | list_add_tail_rcu(&event_sub->xa_list, |
| 2083 | &obj_event->obj_sub_list); |
| 2084 | list_add_tail_rcu(&event_sub->obj_list, |
| 2085 | &obj->event_sub); |
| 2086 | } |
| 2087 | |
| 2088 | mutex_unlock(&devx_event_table->event_xa_lock); |
| 2089 | return 0; |
| 2090 | |
| 2091 | err: |
| 2092 | list_for_each_entry_safe(event_sub, tmp_sub, &sub_list, event_list) { |
| 2093 | list_del(&event_sub->event_list); |
| 2094 | |
| 2095 | subscribe_event_xa_dealloc(devx_event_table, |
| 2096 | event_sub->xa_key_level1, |
| 2097 | obj, |
| 2098 | obj_id); |
| 2099 | |
| 2100 | if (event_sub->eventfd) |
| 2101 | eventfd_ctx_put(event_sub->eventfd); |
Jason Gunthorpe | 6898d1c | 2020-01-08 19:21:53 +0200 | [diff] [blame] | 2102 | uverbs_uobject_put(&event_sub->ev_file->uobj); |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 2103 | kfree(event_sub); |
| 2104 | } |
| 2105 | |
| 2106 | mutex_unlock(&devx_event_table->event_xa_lock); |
| 2107 | return err; |
| 2108 | } |
| 2109 | |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2110 | static int devx_umem_get(struct mlx5_ib_dev *dev, struct ib_ucontext *ucontext, |
| 2111 | struct uverbs_attr_bundle *attrs, |
| 2112 | struct devx_umem *obj) |
| 2113 | { |
| 2114 | u64 addr; |
| 2115 | size_t size; |
Jason Gunthorpe | bccd062 | 2018-07-26 16:37:14 -0600 | [diff] [blame] | 2116 | u32 access; |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2117 | int npages; |
| 2118 | int err; |
| 2119 | u32 page_mask; |
| 2120 | |
| 2121 | if (uverbs_copy_from(&addr, attrs, MLX5_IB_ATTR_DEVX_UMEM_REG_ADDR) || |
Jason Gunthorpe | bccd062 | 2018-07-26 16:37:14 -0600 | [diff] [blame] | 2122 | uverbs_copy_from(&size, attrs, MLX5_IB_ATTR_DEVX_UMEM_REG_LEN)) |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2123 | return -EFAULT; |
| 2124 | |
Jason Gunthorpe | bccd062 | 2018-07-26 16:37:14 -0600 | [diff] [blame] | 2125 | err = uverbs_get_flags32(&access, attrs, |
| 2126 | MLX5_IB_ATTR_DEVX_UMEM_REG_ACCESS, |
Yishai Hadas | 47f07f0 | 2018-12-05 15:50:21 +0200 | [diff] [blame] | 2127 | IB_ACCESS_LOCAL_WRITE | |
| 2128 | IB_ACCESS_REMOTE_WRITE | |
| 2129 | IB_ACCESS_REMOTE_READ); |
Jason Gunthorpe | bccd062 | 2018-07-26 16:37:14 -0600 | [diff] [blame] | 2130 | if (err) |
| 2131 | return err; |
| 2132 | |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2133 | err = ib_check_mr_access(access); |
| 2134 | if (err) |
| 2135 | return err; |
| 2136 | |
Moni Shoua | c320e52 | 2020-01-15 14:43:31 +0200 | [diff] [blame] | 2137 | obj->umem = ib_umem_get(&dev->ib_dev, addr, size, access); |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2138 | if (IS_ERR(obj->umem)) |
| 2139 | return PTR_ERR(obj->umem); |
| 2140 | |
| 2141 | mlx5_ib_cont_pages(obj->umem, obj->umem->address, |
| 2142 | MLX5_MKEY_PAGE_SHIFT_MASK, &npages, |
| 2143 | &obj->page_shift, &obj->ncont, NULL); |
| 2144 | |
| 2145 | if (!npages) { |
| 2146 | ib_umem_release(obj->umem); |
| 2147 | return -EINVAL; |
| 2148 | } |
| 2149 | |
| 2150 | page_mask = (1 << obj->page_shift) - 1; |
| 2151 | obj->page_offset = obj->umem->address & page_mask; |
| 2152 | |
| 2153 | return 0; |
| 2154 | } |
| 2155 | |
Jason Gunthorpe | b61815e | 2018-08-09 20:14:41 -0600 | [diff] [blame] | 2156 | static int devx_umem_reg_cmd_alloc(struct uverbs_attr_bundle *attrs, |
| 2157 | struct devx_umem *obj, |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2158 | struct devx_umem_reg_cmd *cmd) |
| 2159 | { |
| 2160 | cmd->inlen = MLX5_ST_SZ_BYTES(create_umem_in) + |
| 2161 | (MLX5_ST_SZ_BYTES(mtt) * obj->ncont); |
Jason Gunthorpe | b61815e | 2018-08-09 20:14:41 -0600 | [diff] [blame] | 2162 | cmd->in = uverbs_zalloc(attrs, cmd->inlen); |
| 2163 | return PTR_ERR_OR_ZERO(cmd->in); |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2164 | } |
| 2165 | |
| 2166 | static void devx_umem_reg_cmd_build(struct mlx5_ib_dev *dev, |
| 2167 | struct devx_umem *obj, |
| 2168 | struct devx_umem_reg_cmd *cmd) |
| 2169 | { |
| 2170 | void *umem; |
| 2171 | __be64 *mtt; |
| 2172 | |
| 2173 | umem = MLX5_ADDR_OF(create_umem_in, cmd->in, umem); |
| 2174 | mtt = (__be64 *)MLX5_ADDR_OF(umem, umem, mtt); |
| 2175 | |
Yishai Hadas | 6e3722b | 2018-12-19 16:28:15 +0200 | [diff] [blame] | 2176 | MLX5_SET(create_umem_in, cmd->in, opcode, MLX5_CMD_OP_CREATE_UMEM); |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2177 | MLX5_SET64(umem, umem, num_of_mtt, obj->ncont); |
| 2178 | MLX5_SET(umem, umem, log_page_size, obj->page_shift - |
| 2179 | MLX5_ADAPTER_PAGE_SHIFT); |
| 2180 | MLX5_SET(umem, umem, page_offset, obj->page_offset); |
| 2181 | mlx5_ib_populate_pas(dev, obj->umem, obj->page_shift, mtt, |
| 2182 | (obj->umem->writable ? MLX5_IB_MTT_WRITE : 0) | |
| 2183 | MLX5_IB_MTT_READ); |
| 2184 | } |
| 2185 | |
Jason Gunthorpe | e83f0ec | 2018-07-25 21:40:18 -0600 | [diff] [blame] | 2186 | static int UVERBS_HANDLER(MLX5_IB_METHOD_DEVX_UMEM_REG)( |
Jason Gunthorpe | 15a1b4b | 2018-11-25 20:51:15 +0200 | [diff] [blame] | 2187 | struct uverbs_attr_bundle *attrs) |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2188 | { |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2189 | struct devx_umem_reg_cmd cmd; |
| 2190 | struct devx_umem *obj; |
Jason Gunthorpe | c36ee46 | 2018-07-10 20:55:22 -0600 | [diff] [blame] | 2191 | struct ib_uobject *uobj = uverbs_attr_get_uobject( |
| 2192 | attrs, MLX5_IB_ATTR_DEVX_UMEM_REG_HANDLE); |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2193 | u32 obj_id; |
Shamir Rabinovitch | 8994445 | 2019-02-07 18:44:49 +0200 | [diff] [blame] | 2194 | struct mlx5_ib_ucontext *c = rdma_udata_to_drv_context( |
| 2195 | &attrs->driver_udata, struct mlx5_ib_ucontext, ibucontext); |
Jason Gunthorpe | c36ee46 | 2018-07-10 20:55:22 -0600 | [diff] [blame] | 2196 | struct mlx5_ib_dev *dev = to_mdev(c->ibucontext.device); |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2197 | int err; |
| 2198 | |
| 2199 | if (!c->devx_uid) |
Yishai Hadas | 7e1335a | 2018-09-20 21:45:20 +0300 | [diff] [blame] | 2200 | return -EINVAL; |
| 2201 | |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2202 | obj = kzalloc(sizeof(struct devx_umem), GFP_KERNEL); |
| 2203 | if (!obj) |
| 2204 | return -ENOMEM; |
| 2205 | |
| 2206 | err = devx_umem_get(dev, &c->ibucontext, attrs, obj); |
| 2207 | if (err) |
| 2208 | goto err_obj_free; |
| 2209 | |
Jason Gunthorpe | b61815e | 2018-08-09 20:14:41 -0600 | [diff] [blame] | 2210 | err = devx_umem_reg_cmd_alloc(attrs, obj, &cmd); |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2211 | if (err) |
| 2212 | goto err_umem_release; |
| 2213 | |
| 2214 | devx_umem_reg_cmd_build(dev, obj, &cmd); |
| 2215 | |
Yishai Hadas | 6e3722b | 2018-12-19 16:28:15 +0200 | [diff] [blame] | 2216 | MLX5_SET(create_umem_in, cmd.in, uid, c->devx_uid); |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2217 | err = mlx5_cmd_exec(dev->mdev, cmd.in, cmd.inlen, cmd.out, |
| 2218 | sizeof(cmd.out)); |
| 2219 | if (err) |
Jason Gunthorpe | b61815e | 2018-08-09 20:14:41 -0600 | [diff] [blame] | 2220 | goto err_umem_release; |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2221 | |
| 2222 | obj->mdev = dev->mdev; |
| 2223 | uobj->object = obj; |
| 2224 | devx_obj_build_destroy_cmd(cmd.in, cmd.out, obj->dinbox, &obj->dinlen, &obj_id); |
Jason Gunthorpe | 0ac8903 | 2020-05-19 10:27:05 +0300 | [diff] [blame] | 2225 | uverbs_finalize_uobj_create(attrs, MLX5_IB_ATTR_DEVX_UMEM_REG_HANDLE); |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2226 | |
Jason Gunthorpe | 0ac8903 | 2020-05-19 10:27:05 +0300 | [diff] [blame] | 2227 | err = uverbs_copy_to(attrs, MLX5_IB_ATTR_DEVX_UMEM_REG_OUT_ID, &obj_id, |
| 2228 | sizeof(obj_id)); |
| 2229 | return err; |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2230 | |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2231 | err_umem_release: |
| 2232 | ib_umem_release(obj->umem); |
| 2233 | err_obj_free: |
| 2234 | kfree(obj); |
| 2235 | return err; |
| 2236 | } |
| 2237 | |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2238 | static int devx_umem_cleanup(struct ib_uobject *uobject, |
Shamir Rabinovitch | a6a3797 | 2019-03-31 19:10:04 +0300 | [diff] [blame] | 2239 | enum rdma_remove_reason why, |
| 2240 | struct uverbs_attr_bundle *attrs) |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2241 | { |
| 2242 | struct devx_umem *obj = uobject->object; |
| 2243 | u32 out[MLX5_ST_SZ_DW(general_obj_out_cmd_hdr)]; |
| 2244 | int err; |
| 2245 | |
| 2246 | err = mlx5_cmd_exec(obj->mdev, obj->dinbox, obj->dinlen, out, sizeof(out)); |
Yishai Hadas | 1c77483 | 2018-06-20 17:11:39 +0300 | [diff] [blame] | 2247 | if (ib_is_destroy_retryable(err, why, uobject)) |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2248 | return err; |
| 2249 | |
| 2250 | ib_umem_release(obj->umem); |
| 2251 | kfree(obj); |
| 2252 | return 0; |
| 2253 | } |
| 2254 | |
Yishai Hadas | 5ec9d8e | 2019-06-30 19:23:32 +0300 | [diff] [blame] | 2255 | static bool is_unaffiliated_event(struct mlx5_core_dev *dev, |
| 2256 | unsigned long event_type) |
| 2257 | { |
| 2258 | __be64 *unaff_events; |
| 2259 | int mask_entry; |
| 2260 | int mask_bit; |
| 2261 | |
| 2262 | if (!MLX5_CAP_GEN(dev, event_cap)) |
| 2263 | return is_legacy_unaffiliated_event_num(event_type); |
| 2264 | |
| 2265 | unaff_events = MLX5_CAP_DEV_EVENT(dev, |
| 2266 | user_unaffiliated_events); |
| 2267 | WARN_ON(event_type > MAX_SUPP_EVENT_NUM); |
| 2268 | |
| 2269 | mask_entry = event_type / 64; |
| 2270 | mask_bit = event_type % 64; |
| 2271 | |
| 2272 | if (!(be64_to_cpu(unaff_events[mask_entry]) & (1ull << mask_bit))) |
| 2273 | return false; |
| 2274 | |
| 2275 | return true; |
| 2276 | } |
| 2277 | |
| 2278 | static u32 devx_get_obj_id_from_event(unsigned long event_type, void *data) |
| 2279 | { |
| 2280 | struct mlx5_eqe *eqe = data; |
| 2281 | u32 obj_id = 0; |
| 2282 | |
| 2283 | switch (event_type) { |
| 2284 | case MLX5_EVENT_TYPE_SRQ_CATAS_ERROR: |
| 2285 | case MLX5_EVENT_TYPE_SRQ_RQ_LIMIT: |
| 2286 | case MLX5_EVENT_TYPE_PATH_MIG: |
| 2287 | case MLX5_EVENT_TYPE_COMM_EST: |
| 2288 | case MLX5_EVENT_TYPE_SQ_DRAINED: |
| 2289 | case MLX5_EVENT_TYPE_SRQ_LAST_WQE: |
| 2290 | case MLX5_EVENT_TYPE_WQ_CATAS_ERROR: |
| 2291 | case MLX5_EVENT_TYPE_PATH_MIG_FAILED: |
| 2292 | case MLX5_EVENT_TYPE_WQ_INVAL_REQ_ERROR: |
| 2293 | case MLX5_EVENT_TYPE_WQ_ACCESS_ERROR: |
| 2294 | obj_id = be32_to_cpu(eqe->data.qp_srq.qp_srq_n) & 0xffffff; |
| 2295 | break; |
Yishai Hadas | 972d756 | 2019-08-08 11:43:57 +0300 | [diff] [blame] | 2296 | case MLX5_EVENT_TYPE_XRQ_ERROR: |
| 2297 | obj_id = be32_to_cpu(eqe->data.xrq_err.type_xrqn) & 0xffffff; |
| 2298 | break; |
Yishai Hadas | 5ec9d8e | 2019-06-30 19:23:32 +0300 | [diff] [blame] | 2299 | case MLX5_EVENT_TYPE_DCT_DRAINED: |
Yishai Hadas | 972d756 | 2019-08-08 11:43:57 +0300 | [diff] [blame] | 2300 | case MLX5_EVENT_TYPE_DCT_KEY_VIOLATION: |
Yishai Hadas | 5ec9d8e | 2019-06-30 19:23:32 +0300 | [diff] [blame] | 2301 | obj_id = be32_to_cpu(eqe->data.dct.dctn) & 0xffffff; |
| 2302 | break; |
| 2303 | case MLX5_EVENT_TYPE_CQ_ERROR: |
| 2304 | obj_id = be32_to_cpu(eqe->data.cq_err.cqn) & 0xffffff; |
| 2305 | break; |
| 2306 | default: |
| 2307 | obj_id = MLX5_GET(affiliated_event_header, &eqe->data, obj_id); |
| 2308 | break; |
| 2309 | } |
| 2310 | |
| 2311 | return obj_id; |
| 2312 | } |
| 2313 | |
| 2314 | static int deliver_event(struct devx_event_subscription *event_sub, |
| 2315 | const void *data) |
| 2316 | { |
| 2317 | struct devx_async_event_file *ev_file; |
| 2318 | struct devx_async_event_data *event_data; |
| 2319 | unsigned long flags; |
| 2320 | |
| 2321 | ev_file = event_sub->ev_file; |
| 2322 | |
| 2323 | if (ev_file->omit_data) { |
| 2324 | spin_lock_irqsave(&ev_file->lock, flags); |
Yishai Hadas | a8af869 | 2020-02-12 09:26:32 +0200 | [diff] [blame] | 2325 | if (!list_empty(&event_sub->event_list) || |
| 2326 | ev_file->is_destroyed) { |
Yishai Hadas | 5ec9d8e | 2019-06-30 19:23:32 +0300 | [diff] [blame] | 2327 | spin_unlock_irqrestore(&ev_file->lock, flags); |
| 2328 | return 0; |
| 2329 | } |
| 2330 | |
| 2331 | list_add_tail(&event_sub->event_list, &ev_file->event_list); |
| 2332 | spin_unlock_irqrestore(&ev_file->lock, flags); |
| 2333 | wake_up_interruptible(&ev_file->poll_wait); |
| 2334 | return 0; |
| 2335 | } |
| 2336 | |
| 2337 | event_data = kzalloc(sizeof(*event_data) + sizeof(struct mlx5_eqe), |
| 2338 | GFP_ATOMIC); |
| 2339 | if (!event_data) { |
| 2340 | spin_lock_irqsave(&ev_file->lock, flags); |
| 2341 | ev_file->is_overflow_err = 1; |
| 2342 | spin_unlock_irqrestore(&ev_file->lock, flags); |
| 2343 | return -ENOMEM; |
| 2344 | } |
| 2345 | |
| 2346 | event_data->hdr.cookie = event_sub->cookie; |
| 2347 | memcpy(event_data->hdr.out_data, data, sizeof(struct mlx5_eqe)); |
| 2348 | |
| 2349 | spin_lock_irqsave(&ev_file->lock, flags); |
Jason Gunthorpe | f7c8416 | 2020-01-08 19:21:54 +0200 | [diff] [blame] | 2350 | if (!ev_file->is_destroyed) |
| 2351 | list_add_tail(&event_data->list, &ev_file->event_list); |
| 2352 | else |
| 2353 | kfree(event_data); |
Yishai Hadas | 5ec9d8e | 2019-06-30 19:23:32 +0300 | [diff] [blame] | 2354 | spin_unlock_irqrestore(&ev_file->lock, flags); |
| 2355 | wake_up_interruptible(&ev_file->poll_wait); |
| 2356 | |
| 2357 | return 0; |
| 2358 | } |
| 2359 | |
| 2360 | static void dispatch_event_fd(struct list_head *fd_list, |
| 2361 | const void *data) |
| 2362 | { |
| 2363 | struct devx_event_subscription *item; |
| 2364 | |
| 2365 | list_for_each_entry_rcu(item, fd_list, xa_list) { |
Jason Gunthorpe | 6898d1c | 2020-01-08 19:21:53 +0200 | [diff] [blame] | 2366 | if (item->eventfd) |
Yishai Hadas | 5ec9d8e | 2019-06-30 19:23:32 +0300 | [diff] [blame] | 2367 | eventfd_signal(item->eventfd, 1); |
Jason Gunthorpe | 6898d1c | 2020-01-08 19:21:53 +0200 | [diff] [blame] | 2368 | else |
| 2369 | deliver_event(item, data); |
Yishai Hadas | 5ec9d8e | 2019-06-30 19:23:32 +0300 | [diff] [blame] | 2370 | } |
| 2371 | } |
| 2372 | |
Yishai Hadas | e337dd5 | 2019-06-30 19:23:30 +0300 | [diff] [blame] | 2373 | static int devx_event_notifier(struct notifier_block *nb, |
| 2374 | unsigned long event_type, void *data) |
| 2375 | { |
Yishai Hadas | 5ec9d8e | 2019-06-30 19:23:32 +0300 | [diff] [blame] | 2376 | struct mlx5_devx_event_table *table; |
| 2377 | struct mlx5_ib_dev *dev; |
| 2378 | struct devx_event *event; |
| 2379 | struct devx_obj_event *obj_event; |
| 2380 | u16 obj_type = 0; |
| 2381 | bool is_unaffiliated; |
| 2382 | u32 obj_id; |
| 2383 | |
| 2384 | /* Explicit filtering to kernel events which may occur frequently */ |
| 2385 | if (event_type == MLX5_EVENT_TYPE_CMD || |
| 2386 | event_type == MLX5_EVENT_TYPE_PAGE_REQUEST) |
| 2387 | return NOTIFY_OK; |
| 2388 | |
| 2389 | table = container_of(nb, struct mlx5_devx_event_table, devx_nb.nb); |
| 2390 | dev = container_of(table, struct mlx5_ib_dev, devx_event_table); |
| 2391 | is_unaffiliated = is_unaffiliated_event(dev->mdev, event_type); |
| 2392 | |
| 2393 | if (!is_unaffiliated) |
| 2394 | obj_type = get_event_obj_type(event_type, data); |
| 2395 | |
| 2396 | rcu_read_lock(); |
| 2397 | event = xa_load(&table->event_xa, event_type | (obj_type << 16)); |
| 2398 | if (!event) { |
| 2399 | rcu_read_unlock(); |
| 2400 | return NOTIFY_DONE; |
| 2401 | } |
| 2402 | |
| 2403 | if (is_unaffiliated) { |
| 2404 | dispatch_event_fd(&event->unaffiliated_list, data); |
| 2405 | rcu_read_unlock(); |
| 2406 | return NOTIFY_OK; |
| 2407 | } |
| 2408 | |
| 2409 | obj_id = devx_get_obj_id_from_event(event_type, data); |
| 2410 | obj_event = xa_load(&event->object_ids, obj_id); |
| 2411 | if (!obj_event) { |
| 2412 | rcu_read_unlock(); |
| 2413 | return NOTIFY_DONE; |
| 2414 | } |
| 2415 | |
| 2416 | dispatch_event_fd(&obj_event->obj_sub_list, data); |
| 2417 | |
| 2418 | rcu_read_unlock(); |
| 2419 | return NOTIFY_OK; |
Yishai Hadas | e337dd5 | 2019-06-30 19:23:30 +0300 | [diff] [blame] | 2420 | } |
| 2421 | |
| 2422 | void mlx5_ib_devx_init_event_table(struct mlx5_ib_dev *dev) |
| 2423 | { |
| 2424 | struct mlx5_devx_event_table *table = &dev->devx_event_table; |
| 2425 | |
| 2426 | xa_init(&table->event_xa); |
| 2427 | mutex_init(&table->event_xa_lock); |
| 2428 | MLX5_NB_INIT(&table->devx_nb, devx_event_notifier, NOTIFY_ANY); |
| 2429 | mlx5_eq_notifier_register(dev->mdev, &table->devx_nb); |
| 2430 | } |
| 2431 | |
| 2432 | void mlx5_ib_devx_cleanup_event_table(struct mlx5_ib_dev *dev) |
| 2433 | { |
| 2434 | struct mlx5_devx_event_table *table = &dev->devx_event_table; |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 2435 | struct devx_event_subscription *sub, *tmp; |
| 2436 | struct devx_event *event; |
Yishai Hadas | e337dd5 | 2019-06-30 19:23:30 +0300 | [diff] [blame] | 2437 | void *entry; |
| 2438 | unsigned long id; |
| 2439 | |
| 2440 | mlx5_eq_notifier_unregister(dev->mdev, &table->devx_nb); |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 2441 | mutex_lock(&dev->devx_event_table.event_xa_lock); |
| 2442 | xa_for_each(&table->event_xa, id, entry) { |
| 2443 | event = entry; |
| 2444 | list_for_each_entry_safe(sub, tmp, &event->unaffiliated_list, |
| 2445 | xa_list) |
| 2446 | devx_cleanup_subscription(dev, sub); |
Yishai Hadas | e337dd5 | 2019-06-30 19:23:30 +0300 | [diff] [blame] | 2447 | kfree(entry); |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 2448 | } |
| 2449 | mutex_unlock(&dev->devx_event_table.event_xa_lock); |
Yishai Hadas | e337dd5 | 2019-06-30 19:23:30 +0300 | [diff] [blame] | 2450 | xa_destroy(&table->event_xa); |
| 2451 | } |
| 2452 | |
Yishai Hadas | 6bf8f22 | 2019-01-22 08:29:56 +0200 | [diff] [blame] | 2453 | static ssize_t devx_async_cmd_event_read(struct file *filp, char __user *buf, |
| 2454 | size_t count, loff_t *pos) |
| 2455 | { |
Yishai Hadas | 4accbb3 | 2019-01-22 08:29:58 +0200 | [diff] [blame] | 2456 | struct devx_async_cmd_event_file *comp_ev_file = filp->private_data; |
| 2457 | struct devx_async_event_queue *ev_queue = &comp_ev_file->ev_queue; |
| 2458 | struct devx_async_data *event; |
| 2459 | int ret = 0; |
| 2460 | size_t eventsz; |
| 2461 | |
| 2462 | spin_lock_irq(&ev_queue->lock); |
| 2463 | |
| 2464 | while (list_empty(&ev_queue->event_list)) { |
| 2465 | spin_unlock_irq(&ev_queue->lock); |
| 2466 | |
| 2467 | if (filp->f_flags & O_NONBLOCK) |
| 2468 | return -EAGAIN; |
| 2469 | |
| 2470 | if (wait_event_interruptible( |
| 2471 | ev_queue->poll_wait, |
Yishai Hadas | eaebaf7 | 2019-01-22 08:29:59 +0200 | [diff] [blame] | 2472 | (!list_empty(&ev_queue->event_list) || |
| 2473 | ev_queue->is_destroyed))) { |
Yishai Hadas | 4accbb3 | 2019-01-22 08:29:58 +0200 | [diff] [blame] | 2474 | return -ERESTARTSYS; |
| 2475 | } |
Yishai Hadas | eaebaf7 | 2019-01-22 08:29:59 +0200 | [diff] [blame] | 2476 | |
Yishai Hadas | 4accbb3 | 2019-01-22 08:29:58 +0200 | [diff] [blame] | 2477 | spin_lock_irq(&ev_queue->lock); |
Yishai Hadas | a8af869 | 2020-02-12 09:26:32 +0200 | [diff] [blame] | 2478 | if (ev_queue->is_destroyed) { |
| 2479 | spin_unlock_irq(&ev_queue->lock); |
| 2480 | return -EIO; |
| 2481 | } |
Yishai Hadas | 4accbb3 | 2019-01-22 08:29:58 +0200 | [diff] [blame] | 2482 | } |
| 2483 | |
| 2484 | event = list_entry(ev_queue->event_list.next, |
| 2485 | struct devx_async_data, list); |
| 2486 | eventsz = event->cmd_out_len + |
| 2487 | sizeof(struct mlx5_ib_uapi_devx_async_cmd_hdr); |
| 2488 | |
| 2489 | if (eventsz > count) { |
| 2490 | spin_unlock_irq(&ev_queue->lock); |
| 2491 | return -ENOSPC; |
| 2492 | } |
| 2493 | |
| 2494 | list_del(ev_queue->event_list.next); |
| 2495 | spin_unlock_irq(&ev_queue->lock); |
| 2496 | |
| 2497 | if (copy_to_user(buf, &event->hdr, eventsz)) |
| 2498 | ret = -EFAULT; |
| 2499 | else |
| 2500 | ret = eventsz; |
| 2501 | |
| 2502 | atomic_sub(event->cmd_out_len, &ev_queue->bytes_in_use); |
| 2503 | kvfree(event); |
| 2504 | return ret; |
Yishai Hadas | 6bf8f22 | 2019-01-22 08:29:56 +0200 | [diff] [blame] | 2505 | } |
| 2506 | |
Yishai Hadas | 6bf8f22 | 2019-01-22 08:29:56 +0200 | [diff] [blame] | 2507 | static __poll_t devx_async_cmd_event_poll(struct file *filp, |
| 2508 | struct poll_table_struct *wait) |
| 2509 | { |
Yishai Hadas | 4accbb3 | 2019-01-22 08:29:58 +0200 | [diff] [blame] | 2510 | struct devx_async_cmd_event_file *comp_ev_file = filp->private_data; |
| 2511 | struct devx_async_event_queue *ev_queue = &comp_ev_file->ev_queue; |
| 2512 | __poll_t pollflags = 0; |
| 2513 | |
| 2514 | poll_wait(filp, &ev_queue->poll_wait, wait); |
| 2515 | |
| 2516 | spin_lock_irq(&ev_queue->lock); |
Yishai Hadas | eaebaf7 | 2019-01-22 08:29:59 +0200 | [diff] [blame] | 2517 | if (ev_queue->is_destroyed) |
| 2518 | pollflags = EPOLLIN | EPOLLRDNORM | EPOLLRDHUP; |
| 2519 | else if (!list_empty(&ev_queue->event_list)) |
Yishai Hadas | 4accbb3 | 2019-01-22 08:29:58 +0200 | [diff] [blame] | 2520 | pollflags = EPOLLIN | EPOLLRDNORM; |
| 2521 | spin_unlock_irq(&ev_queue->lock); |
| 2522 | |
| 2523 | return pollflags; |
Yishai Hadas | 6bf8f22 | 2019-01-22 08:29:56 +0200 | [diff] [blame] | 2524 | } |
| 2525 | |
Bart Van Assche | 1f687ed | 2019-03-27 16:50:48 -0700 | [diff] [blame] | 2526 | static const struct file_operations devx_async_cmd_event_fops = { |
Yishai Hadas | 6bf8f22 | 2019-01-22 08:29:56 +0200 | [diff] [blame] | 2527 | .owner = THIS_MODULE, |
| 2528 | .read = devx_async_cmd_event_read, |
| 2529 | .poll = devx_async_cmd_event_poll, |
Jason Gunthorpe | f7c8416 | 2020-01-08 19:21:54 +0200 | [diff] [blame] | 2530 | .release = uverbs_uobject_fd_release, |
Yishai Hadas | 6bf8f22 | 2019-01-22 08:29:56 +0200 | [diff] [blame] | 2531 | .llseek = no_llseek, |
| 2532 | }; |
| 2533 | |
Yishai Hadas | 2afc5e1 | 2019-06-30 19:23:29 +0300 | [diff] [blame] | 2534 | static ssize_t devx_async_event_read(struct file *filp, char __user *buf, |
| 2535 | size_t count, loff_t *pos) |
| 2536 | { |
Yishai Hadas | 5ec9d8e | 2019-06-30 19:23:32 +0300 | [diff] [blame] | 2537 | struct devx_async_event_file *ev_file = filp->private_data; |
| 2538 | struct devx_event_subscription *event_sub; |
| 2539 | struct devx_async_event_data *uninitialized_var(event); |
| 2540 | int ret = 0; |
| 2541 | size_t eventsz; |
| 2542 | bool omit_data; |
| 2543 | void *event_data; |
| 2544 | |
| 2545 | omit_data = ev_file->omit_data; |
| 2546 | |
| 2547 | spin_lock_irq(&ev_file->lock); |
| 2548 | |
| 2549 | if (ev_file->is_overflow_err) { |
| 2550 | ev_file->is_overflow_err = 0; |
| 2551 | spin_unlock_irq(&ev_file->lock); |
| 2552 | return -EOVERFLOW; |
| 2553 | } |
| 2554 | |
Yishai Hadas | 5ec9d8e | 2019-06-30 19:23:32 +0300 | [diff] [blame] | 2555 | |
| 2556 | while (list_empty(&ev_file->event_list)) { |
| 2557 | spin_unlock_irq(&ev_file->lock); |
| 2558 | |
| 2559 | if (filp->f_flags & O_NONBLOCK) |
| 2560 | return -EAGAIN; |
| 2561 | |
| 2562 | if (wait_event_interruptible(ev_file->poll_wait, |
| 2563 | (!list_empty(&ev_file->event_list) || |
| 2564 | ev_file->is_destroyed))) { |
| 2565 | return -ERESTARTSYS; |
| 2566 | } |
| 2567 | |
| 2568 | spin_lock_irq(&ev_file->lock); |
| 2569 | if (ev_file->is_destroyed) { |
| 2570 | spin_unlock_irq(&ev_file->lock); |
| 2571 | return -EIO; |
| 2572 | } |
| 2573 | } |
| 2574 | |
| 2575 | if (omit_data) { |
| 2576 | event_sub = list_first_entry(&ev_file->event_list, |
| 2577 | struct devx_event_subscription, |
| 2578 | event_list); |
| 2579 | eventsz = sizeof(event_sub->cookie); |
| 2580 | event_data = &event_sub->cookie; |
| 2581 | } else { |
| 2582 | event = list_first_entry(&ev_file->event_list, |
| 2583 | struct devx_async_event_data, list); |
| 2584 | eventsz = sizeof(struct mlx5_eqe) + |
| 2585 | sizeof(struct mlx5_ib_uapi_devx_async_event_hdr); |
| 2586 | event_data = &event->hdr; |
| 2587 | } |
| 2588 | |
| 2589 | if (eventsz > count) { |
| 2590 | spin_unlock_irq(&ev_file->lock); |
| 2591 | return -EINVAL; |
| 2592 | } |
| 2593 | |
| 2594 | if (omit_data) |
| 2595 | list_del_init(&event_sub->event_list); |
| 2596 | else |
| 2597 | list_del(&event->list); |
| 2598 | |
| 2599 | spin_unlock_irq(&ev_file->lock); |
| 2600 | |
| 2601 | if (copy_to_user(buf, event_data, eventsz)) |
| 2602 | /* This points to an application issue, not a kernel concern */ |
| 2603 | ret = -EFAULT; |
| 2604 | else |
| 2605 | ret = eventsz; |
| 2606 | |
| 2607 | if (!omit_data) |
| 2608 | kfree(event); |
| 2609 | return ret; |
Yishai Hadas | 2afc5e1 | 2019-06-30 19:23:29 +0300 | [diff] [blame] | 2610 | } |
| 2611 | |
| 2612 | static __poll_t devx_async_event_poll(struct file *filp, |
| 2613 | struct poll_table_struct *wait) |
| 2614 | { |
Yishai Hadas | 5ec9d8e | 2019-06-30 19:23:32 +0300 | [diff] [blame] | 2615 | struct devx_async_event_file *ev_file = filp->private_data; |
| 2616 | __poll_t pollflags = 0; |
| 2617 | |
| 2618 | poll_wait(filp, &ev_file->poll_wait, wait); |
| 2619 | |
| 2620 | spin_lock_irq(&ev_file->lock); |
| 2621 | if (ev_file->is_destroyed) |
| 2622 | pollflags = EPOLLIN | EPOLLRDNORM | EPOLLRDHUP; |
| 2623 | else if (!list_empty(&ev_file->event_list)) |
| 2624 | pollflags = EPOLLIN | EPOLLRDNORM; |
| 2625 | spin_unlock_irq(&ev_file->lock); |
| 2626 | |
| 2627 | return pollflags; |
Yishai Hadas | 2afc5e1 | 2019-06-30 19:23:29 +0300 | [diff] [blame] | 2628 | } |
| 2629 | |
Jason Gunthorpe | 6898d1c | 2020-01-08 19:21:53 +0200 | [diff] [blame] | 2630 | static void devx_free_subscription(struct rcu_head *rcu) |
| 2631 | { |
| 2632 | struct devx_event_subscription *event_sub = |
| 2633 | container_of(rcu, struct devx_event_subscription, rcu); |
| 2634 | |
| 2635 | if (event_sub->eventfd) |
| 2636 | eventfd_ctx_put(event_sub->eventfd); |
| 2637 | uverbs_uobject_put(&event_sub->ev_file->uobj); |
| 2638 | kfree(event_sub); |
| 2639 | } |
| 2640 | |
Jason Gunthorpe | f7c8416 | 2020-01-08 19:21:54 +0200 | [diff] [blame] | 2641 | static const struct file_operations devx_async_event_fops = { |
| 2642 | .owner = THIS_MODULE, |
| 2643 | .read = devx_async_event_read, |
| 2644 | .poll = devx_async_event_poll, |
| 2645 | .release = uverbs_uobject_fd_release, |
| 2646 | .llseek = no_llseek, |
| 2647 | }; |
| 2648 | |
| 2649 | static int devx_async_cmd_event_destroy_uobj(struct ib_uobject *uobj, |
| 2650 | enum rdma_remove_reason why) |
Yishai Hadas | 2afc5e1 | 2019-06-30 19:23:29 +0300 | [diff] [blame] | 2651 | { |
Jason Gunthorpe | f7c8416 | 2020-01-08 19:21:54 +0200 | [diff] [blame] | 2652 | struct devx_async_cmd_event_file *comp_ev_file = |
| 2653 | container_of(uobj, struct devx_async_cmd_event_file, |
| 2654 | uobj); |
| 2655 | struct devx_async_event_queue *ev_queue = &comp_ev_file->ev_queue; |
| 2656 | struct devx_async_data *entry, *tmp; |
| 2657 | |
| 2658 | spin_lock_irq(&ev_queue->lock); |
| 2659 | ev_queue->is_destroyed = 1; |
| 2660 | spin_unlock_irq(&ev_queue->lock); |
| 2661 | wake_up_interruptible(&ev_queue->poll_wait); |
| 2662 | |
| 2663 | mlx5_cmd_cleanup_async_ctx(&comp_ev_file->async_ctx); |
| 2664 | |
| 2665 | spin_lock_irq(&comp_ev_file->ev_queue.lock); |
| 2666 | list_for_each_entry_safe(entry, tmp, |
Yishai Hadas | a8af869 | 2020-02-12 09:26:32 +0200 | [diff] [blame] | 2667 | &comp_ev_file->ev_queue.event_list, list) { |
| 2668 | list_del(&entry->list); |
Jason Gunthorpe | f7c8416 | 2020-01-08 19:21:54 +0200 | [diff] [blame] | 2669 | kvfree(entry); |
Yishai Hadas | a8af869 | 2020-02-12 09:26:32 +0200 | [diff] [blame] | 2670 | } |
Jason Gunthorpe | f7c8416 | 2020-01-08 19:21:54 +0200 | [diff] [blame] | 2671 | spin_unlock_irq(&comp_ev_file->ev_queue.lock); |
| 2672 | return 0; |
| 2673 | }; |
| 2674 | |
| 2675 | static int devx_async_event_destroy_uobj(struct ib_uobject *uobj, |
| 2676 | enum rdma_remove_reason why) |
| 2677 | { |
| 2678 | struct devx_async_event_file *ev_file = |
| 2679 | container_of(uobj, struct devx_async_event_file, |
| 2680 | uobj); |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 2681 | struct devx_event_subscription *event_sub, *event_sub_tmp; |
Yishai Hadas | e9eec6a | 2019-08-08 11:15:38 +0300 | [diff] [blame] | 2682 | struct mlx5_ib_dev *dev = ev_file->dev; |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 2683 | |
Jason Gunthorpe | f7c8416 | 2020-01-08 19:21:54 +0200 | [diff] [blame] | 2684 | spin_lock_irq(&ev_file->lock); |
| 2685 | ev_file->is_destroyed = 1; |
Yishai Hadas | a8af869 | 2020-02-12 09:26:32 +0200 | [diff] [blame] | 2686 | |
| 2687 | /* free the pending events allocation */ |
| 2688 | if (ev_file->omit_data) { |
| 2689 | struct devx_event_subscription *event_sub, *tmp; |
| 2690 | |
| 2691 | list_for_each_entry_safe(event_sub, tmp, &ev_file->event_list, |
| 2692 | event_list) |
| 2693 | list_del_init(&event_sub->event_list); |
| 2694 | |
| 2695 | } else { |
| 2696 | struct devx_async_event_data *entry, *tmp; |
| 2697 | |
| 2698 | list_for_each_entry_safe(entry, tmp, &ev_file->event_list, |
| 2699 | list) { |
| 2700 | list_del(&entry->list); |
| 2701 | kfree(entry); |
| 2702 | } |
| 2703 | } |
| 2704 | |
Jason Gunthorpe | f7c8416 | 2020-01-08 19:21:54 +0200 | [diff] [blame] | 2705 | spin_unlock_irq(&ev_file->lock); |
| 2706 | wake_up_interruptible(&ev_file->poll_wait); |
| 2707 | |
Yishai Hadas | e9eec6a | 2019-08-08 11:15:38 +0300 | [diff] [blame] | 2708 | mutex_lock(&dev->devx_event_table.event_xa_lock); |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 2709 | /* delete the subscriptions which are related to this FD */ |
| 2710 | list_for_each_entry_safe(event_sub, event_sub_tmp, |
| 2711 | &ev_file->subscribed_events_list, file_list) { |
Yishai Hadas | e9eec6a | 2019-08-08 11:15:38 +0300 | [diff] [blame] | 2712 | devx_cleanup_subscription(dev, event_sub); |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 2713 | list_del_rcu(&event_sub->file_list); |
| 2714 | /* subscription may not be used by the read API any more */ |
Jason Gunthorpe | 6898d1c | 2020-01-08 19:21:53 +0200 | [diff] [blame] | 2715 | call_rcu(&event_sub->rcu, devx_free_subscription); |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 2716 | } |
Yishai Hadas | e9eec6a | 2019-08-08 11:15:38 +0300 | [diff] [blame] | 2717 | mutex_unlock(&dev->devx_event_table.event_xa_lock); |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 2718 | |
Yishai Hadas | e9eec6a | 2019-08-08 11:15:38 +0300 | [diff] [blame] | 2719 | put_device(&dev->ib_dev.dev); |
Yishai Hadas | 2afc5e1 | 2019-06-30 19:23:29 +0300 | [diff] [blame] | 2720 | return 0; |
Yishai Hadas | 2afc5e1 | 2019-06-30 19:23:29 +0300 | [diff] [blame] | 2721 | }; |
| 2722 | |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2723 | DECLARE_UVERBS_NAMED_METHOD( |
| 2724 | MLX5_IB_METHOD_DEVX_UMEM_REG, |
| 2725 | UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_UMEM_REG_HANDLE, |
| 2726 | MLX5_IB_OBJECT_DEVX_UMEM, |
| 2727 | UVERBS_ACCESS_NEW, |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2728 | UA_MANDATORY), |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2729 | UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_UMEM_REG_ADDR, |
| 2730 | UVERBS_ATTR_TYPE(u64), |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2731 | UA_MANDATORY), |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2732 | UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_UMEM_REG_LEN, |
| 2733 | UVERBS_ATTR_TYPE(u64), |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2734 | UA_MANDATORY), |
Jason Gunthorpe | bccd062 | 2018-07-26 16:37:14 -0600 | [diff] [blame] | 2735 | UVERBS_ATTR_FLAGS_IN(MLX5_IB_ATTR_DEVX_UMEM_REG_ACCESS, |
| 2736 | enum ib_access_flags), |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2737 | UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_DEVX_UMEM_REG_OUT_ID, |
| 2738 | UVERBS_ATTR_TYPE(u32), |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2739 | UA_MANDATORY)); |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2740 | |
Yishai Hadas | 528922a | 2018-07-08 13:24:39 +0300 | [diff] [blame] | 2741 | DECLARE_UVERBS_NAMED_METHOD_DESTROY( |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2742 | MLX5_IB_METHOD_DEVX_UMEM_DEREG, |
| 2743 | UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_UMEM_DEREG_HANDLE, |
| 2744 | MLX5_IB_OBJECT_DEVX_UMEM, |
| 2745 | UVERBS_ACCESS_DESTROY, |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2746 | UA_MANDATORY)); |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2747 | |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2748 | DECLARE_UVERBS_NAMED_METHOD( |
| 2749 | MLX5_IB_METHOD_DEVX_QUERY_EQN, |
| 2750 | UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_QUERY_EQN_USER_VEC, |
| 2751 | UVERBS_ATTR_TYPE(u32), |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2752 | UA_MANDATORY), |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2753 | UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_DEVX_QUERY_EQN_DEV_EQN, |
| 2754 | UVERBS_ATTR_TYPE(u32), |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2755 | UA_MANDATORY)); |
Yishai Hadas | f6fe01b | 2018-06-17 13:00:05 +0300 | [diff] [blame] | 2756 | |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2757 | DECLARE_UVERBS_NAMED_METHOD( |
| 2758 | MLX5_IB_METHOD_DEVX_QUERY_UAR, |
| 2759 | UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_QUERY_UAR_USER_IDX, |
| 2760 | UVERBS_ATTR_TYPE(u32), |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2761 | UA_MANDATORY), |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2762 | UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_DEVX_QUERY_UAR_DEV_IDX, |
| 2763 | UVERBS_ATTR_TYPE(u32), |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2764 | UA_MANDATORY)); |
Yishai Hadas | 7c043e9 | 2018-06-17 13:00:03 +0300 | [diff] [blame] | 2765 | |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2766 | DECLARE_UVERBS_NAMED_METHOD( |
| 2767 | MLX5_IB_METHOD_DEVX_OTHER, |
| 2768 | UVERBS_ATTR_PTR_IN( |
| 2769 | MLX5_IB_ATTR_DEVX_OTHER_CMD_IN, |
| 2770 | UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_in_cmd_hdr)), |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2771 | UA_MANDATORY, |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2772 | UA_ALLOC_AND_COPY), |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2773 | UVERBS_ATTR_PTR_OUT( |
| 2774 | MLX5_IB_ATTR_DEVX_OTHER_CMD_OUT, |
| 2775 | UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_out_cmd_hdr)), |
Jason Gunthorpe | 540cd69 | 2018-07-04 08:50:30 +0300 | [diff] [blame] | 2776 | UA_MANDATORY)); |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 2777 | |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2778 | DECLARE_UVERBS_NAMED_METHOD( |
| 2779 | MLX5_IB_METHOD_DEVX_OBJ_CREATE, |
| 2780 | UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_OBJ_CREATE_HANDLE, |
| 2781 | MLX5_IB_OBJECT_DEVX_OBJ, |
| 2782 | UVERBS_ACCESS_NEW, |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2783 | UA_MANDATORY), |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2784 | UVERBS_ATTR_PTR_IN( |
| 2785 | MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_IN, |
| 2786 | UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_in_cmd_hdr)), |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2787 | UA_MANDATORY, |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2788 | UA_ALLOC_AND_COPY), |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2789 | UVERBS_ATTR_PTR_OUT( |
| 2790 | MLX5_IB_ATTR_DEVX_OBJ_CREATE_CMD_OUT, |
| 2791 | UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_out_cmd_hdr)), |
Jason Gunthorpe | 540cd69 | 2018-07-04 08:50:30 +0300 | [diff] [blame] | 2792 | UA_MANDATORY)); |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 2793 | |
Yishai Hadas | 528922a | 2018-07-08 13:24:39 +0300 | [diff] [blame] | 2794 | DECLARE_UVERBS_NAMED_METHOD_DESTROY( |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2795 | MLX5_IB_METHOD_DEVX_OBJ_DESTROY, |
| 2796 | UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_OBJ_DESTROY_HANDLE, |
| 2797 | MLX5_IB_OBJECT_DEVX_OBJ, |
| 2798 | UVERBS_ACCESS_DESTROY, |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2799 | UA_MANDATORY)); |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 2800 | |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2801 | DECLARE_UVERBS_NAMED_METHOD( |
| 2802 | MLX5_IB_METHOD_DEVX_OBJ_MODIFY, |
| 2803 | UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_OBJ_MODIFY_HANDLE, |
Yishai Hadas | 34613eb | 2018-11-26 08:28:35 +0200 | [diff] [blame] | 2804 | UVERBS_IDR_ANY_OBJECT, |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2805 | UVERBS_ACCESS_WRITE, |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2806 | UA_MANDATORY), |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2807 | UVERBS_ATTR_PTR_IN( |
| 2808 | MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_IN, |
| 2809 | UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_in_cmd_hdr)), |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2810 | UA_MANDATORY, |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2811 | UA_ALLOC_AND_COPY), |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2812 | UVERBS_ATTR_PTR_OUT( |
| 2813 | MLX5_IB_ATTR_DEVX_OBJ_MODIFY_CMD_OUT, |
| 2814 | UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_out_cmd_hdr)), |
Jason Gunthorpe | 540cd69 | 2018-07-04 08:50:30 +0300 | [diff] [blame] | 2815 | UA_MANDATORY)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 2816 | |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2817 | DECLARE_UVERBS_NAMED_METHOD( |
| 2818 | MLX5_IB_METHOD_DEVX_OBJ_QUERY, |
| 2819 | UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_OBJ_QUERY_HANDLE, |
Yishai Hadas | 34613eb | 2018-11-26 08:28:35 +0200 | [diff] [blame] | 2820 | UVERBS_IDR_ANY_OBJECT, |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2821 | UVERBS_ACCESS_READ, |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2822 | UA_MANDATORY), |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2823 | UVERBS_ATTR_PTR_IN( |
| 2824 | MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_IN, |
| 2825 | UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_in_cmd_hdr)), |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2826 | UA_MANDATORY, |
Jason Gunthorpe | 83bb444 | 2018-07-04 08:50:29 +0300 | [diff] [blame] | 2827 | UA_ALLOC_AND_COPY), |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2828 | UVERBS_ATTR_PTR_OUT( |
| 2829 | MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_OUT, |
| 2830 | UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_out_cmd_hdr)), |
Jason Gunthorpe | 540cd69 | 2018-07-04 08:50:30 +0300 | [diff] [blame] | 2831 | UA_MANDATORY)); |
Yishai Hadas | e662e14 | 2018-06-17 13:00:02 +0300 | [diff] [blame] | 2832 | |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 2833 | DECLARE_UVERBS_NAMED_METHOD( |
| 2834 | MLX5_IB_METHOD_DEVX_OBJ_ASYNC_QUERY, |
| 2835 | UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_OBJ_QUERY_HANDLE, |
| 2836 | UVERBS_IDR_ANY_OBJECT, |
| 2837 | UVERBS_ACCESS_READ, |
| 2838 | UA_MANDATORY), |
| 2839 | UVERBS_ATTR_PTR_IN( |
| 2840 | MLX5_IB_ATTR_DEVX_OBJ_QUERY_CMD_IN, |
| 2841 | UVERBS_ATTR_MIN_SIZE(MLX5_ST_SZ_BYTES(general_obj_in_cmd_hdr)), |
| 2842 | UA_MANDATORY, |
| 2843 | UA_ALLOC_AND_COPY), |
| 2844 | UVERBS_ATTR_CONST_IN(MLX5_IB_ATTR_DEVX_OBJ_QUERY_ASYNC_OUT_LEN, |
| 2845 | u16, UA_MANDATORY), |
| 2846 | UVERBS_ATTR_FD(MLX5_IB_ATTR_DEVX_OBJ_QUERY_ASYNC_FD, |
| 2847 | MLX5_IB_OBJECT_DEVX_ASYNC_CMD_FD, |
| 2848 | UVERBS_ACCESS_READ, |
| 2849 | UA_MANDATORY), |
| 2850 | UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_OBJ_QUERY_ASYNC_WR_ID, |
| 2851 | UVERBS_ATTR_TYPE(u64), |
| 2852 | UA_MANDATORY)); |
| 2853 | |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 2854 | DECLARE_UVERBS_NAMED_METHOD( |
| 2855 | MLX5_IB_METHOD_DEVX_SUBSCRIBE_EVENT, |
| 2856 | UVERBS_ATTR_FD(MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_FD_HANDLE, |
| 2857 | MLX5_IB_OBJECT_DEVX_ASYNC_EVENT_FD, |
| 2858 | UVERBS_ACCESS_READ, |
| 2859 | UA_MANDATORY), |
| 2860 | UVERBS_ATTR_IDR(MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_OBJ_HANDLE, |
| 2861 | MLX5_IB_OBJECT_DEVX_OBJ, |
| 2862 | UVERBS_ACCESS_READ, |
| 2863 | UA_OPTIONAL), |
| 2864 | UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_TYPE_NUM_LIST, |
| 2865 | UVERBS_ATTR_MIN_SIZE(sizeof(u16)), |
| 2866 | UA_MANDATORY, |
| 2867 | UA_ALLOC_AND_COPY), |
| 2868 | UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_COOKIE, |
| 2869 | UVERBS_ATTR_TYPE(u64), |
| 2870 | UA_OPTIONAL), |
| 2871 | UVERBS_ATTR_PTR_IN(MLX5_IB_ATTR_DEVX_SUBSCRIBE_EVENT_FD_NUM, |
| 2872 | UVERBS_ATTR_TYPE(u32), |
| 2873 | UA_OPTIONAL)); |
| 2874 | |
Jason Gunthorpe | 6c61d2a | 2018-07-04 08:50:27 +0300 | [diff] [blame] | 2875 | DECLARE_UVERBS_GLOBAL_METHODS(MLX5_IB_OBJECT_DEVX, |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2876 | &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_OTHER), |
| 2877 | &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_QUERY_UAR), |
Yishai Hadas | 7597385 | 2019-06-30 19:23:31 +0300 | [diff] [blame] | 2878 | &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_QUERY_EQN), |
| 2879 | &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_SUBSCRIBE_EVENT)); |
Yishai Hadas | 8aa8c95 | 2018-06-17 13:00:00 +0300 | [diff] [blame] | 2880 | |
Jason Gunthorpe | 6c61d2a | 2018-07-04 08:50:27 +0300 | [diff] [blame] | 2881 | DECLARE_UVERBS_NAMED_OBJECT(MLX5_IB_OBJECT_DEVX_OBJ, |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2882 | UVERBS_TYPE_ALLOC_IDR(devx_obj_cleanup), |
| 2883 | &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_OBJ_CREATE), |
| 2884 | &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_OBJ_DESTROY), |
| 2885 | &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_OBJ_MODIFY), |
Yishai Hadas | a124edb | 2019-01-22 08:29:57 +0200 | [diff] [blame] | 2886 | &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_OBJ_QUERY), |
| 2887 | &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_OBJ_ASYNC_QUERY)); |
Yishai Hadas | 7efce36 | 2018-06-17 13:00:01 +0300 | [diff] [blame] | 2888 | |
Jason Gunthorpe | 6c61d2a | 2018-07-04 08:50:27 +0300 | [diff] [blame] | 2889 | DECLARE_UVERBS_NAMED_OBJECT(MLX5_IB_OBJECT_DEVX_UMEM, |
Jason Gunthorpe | 9a119cd | 2018-07-04 08:50:28 +0300 | [diff] [blame] | 2890 | UVERBS_TYPE_ALLOC_IDR(devx_umem_cleanup), |
| 2891 | &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_UMEM_REG), |
| 2892 | &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_UMEM_DEREG)); |
Yishai Hadas | aeae945 | 2018-06-17 13:00:04 +0300 | [diff] [blame] | 2893 | |
Yishai Hadas | 6bf8f22 | 2019-01-22 08:29:56 +0200 | [diff] [blame] | 2894 | |
| 2895 | DECLARE_UVERBS_NAMED_METHOD( |
| 2896 | MLX5_IB_METHOD_DEVX_ASYNC_CMD_FD_ALLOC, |
| 2897 | UVERBS_ATTR_FD(MLX5_IB_ATTR_DEVX_ASYNC_CMD_FD_ALLOC_HANDLE, |
| 2898 | MLX5_IB_OBJECT_DEVX_ASYNC_CMD_FD, |
| 2899 | UVERBS_ACCESS_NEW, |
| 2900 | UA_MANDATORY)); |
| 2901 | |
| 2902 | DECLARE_UVERBS_NAMED_OBJECT( |
| 2903 | MLX5_IB_OBJECT_DEVX_ASYNC_CMD_FD, |
| 2904 | UVERBS_TYPE_ALLOC_FD(sizeof(struct devx_async_cmd_event_file), |
Jason Gunthorpe | f7c8416 | 2020-01-08 19:21:54 +0200 | [diff] [blame] | 2905 | devx_async_cmd_event_destroy_uobj, |
Yishai Hadas | 6bf8f22 | 2019-01-22 08:29:56 +0200 | [diff] [blame] | 2906 | &devx_async_cmd_event_fops, "[devx_async_cmd]", |
| 2907 | O_RDONLY), |
| 2908 | &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_ASYNC_CMD_FD_ALLOC)); |
| 2909 | |
Yishai Hadas | 2afc5e1 | 2019-06-30 19:23:29 +0300 | [diff] [blame] | 2910 | DECLARE_UVERBS_NAMED_METHOD( |
| 2911 | MLX5_IB_METHOD_DEVX_ASYNC_EVENT_FD_ALLOC, |
| 2912 | UVERBS_ATTR_FD(MLX5_IB_ATTR_DEVX_ASYNC_EVENT_FD_ALLOC_HANDLE, |
| 2913 | MLX5_IB_OBJECT_DEVX_ASYNC_EVENT_FD, |
| 2914 | UVERBS_ACCESS_NEW, |
| 2915 | UA_MANDATORY), |
| 2916 | UVERBS_ATTR_FLAGS_IN(MLX5_IB_ATTR_DEVX_ASYNC_EVENT_FD_ALLOC_FLAGS, |
| 2917 | enum mlx5_ib_uapi_devx_create_event_channel_flags, |
| 2918 | UA_MANDATORY)); |
| 2919 | |
| 2920 | DECLARE_UVERBS_NAMED_OBJECT( |
| 2921 | MLX5_IB_OBJECT_DEVX_ASYNC_EVENT_FD, |
| 2922 | UVERBS_TYPE_ALLOC_FD(sizeof(struct devx_async_event_file), |
Jason Gunthorpe | f7c8416 | 2020-01-08 19:21:54 +0200 | [diff] [blame] | 2923 | devx_async_event_destroy_uobj, |
Yishai Hadas | 2afc5e1 | 2019-06-30 19:23:29 +0300 | [diff] [blame] | 2924 | &devx_async_event_fops, "[devx_async_event]", |
| 2925 | O_RDONLY), |
| 2926 | &UVERBS_METHOD(MLX5_IB_METHOD_DEVX_ASYNC_EVENT_FD_ALLOC)); |
| 2927 | |
Jason Gunthorpe | 36e235c | 2018-11-12 22:59:53 +0200 | [diff] [blame] | 2928 | static bool devx_is_supported(struct ib_device *device) |
Yishai Hadas | c59450c | 2018-06-17 13:00:06 +0300 | [diff] [blame] | 2929 | { |
Jason Gunthorpe | 36e235c | 2018-11-12 22:59:53 +0200 | [diff] [blame] | 2930 | struct mlx5_ib_dev *dev = to_mdev(device); |
| 2931 | |
Mark Bloch | 7f57510 | 2019-03-28 15:46:25 +0200 | [diff] [blame] | 2932 | return MLX5_CAP_GEN(dev->mdev, log_max_uctx); |
Yishai Hadas | c59450c | 2018-06-17 13:00:06 +0300 | [diff] [blame] | 2933 | } |
Jason Gunthorpe | 36e235c | 2018-11-12 22:59:53 +0200 | [diff] [blame] | 2934 | |
Jason Gunthorpe | 0cbf432 | 2018-11-12 22:59:50 +0200 | [diff] [blame] | 2935 | const struct uapi_definition mlx5_ib_devx_defs[] = { |
Jason Gunthorpe | 36e235c | 2018-11-12 22:59:53 +0200 | [diff] [blame] | 2936 | UAPI_DEF_CHAIN_OBJ_TREE_NAMED( |
| 2937 | MLX5_IB_OBJECT_DEVX, |
| 2938 | UAPI_DEF_IS_OBJ_SUPPORTED(devx_is_supported)), |
| 2939 | UAPI_DEF_CHAIN_OBJ_TREE_NAMED( |
| 2940 | MLX5_IB_OBJECT_DEVX_OBJ, |
| 2941 | UAPI_DEF_IS_OBJ_SUPPORTED(devx_is_supported)), |
| 2942 | UAPI_DEF_CHAIN_OBJ_TREE_NAMED( |
| 2943 | MLX5_IB_OBJECT_DEVX_UMEM, |
| 2944 | UAPI_DEF_IS_OBJ_SUPPORTED(devx_is_supported)), |
Yishai Hadas | 6bf8f22 | 2019-01-22 08:29:56 +0200 | [diff] [blame] | 2945 | UAPI_DEF_CHAIN_OBJ_TREE_NAMED( |
| 2946 | MLX5_IB_OBJECT_DEVX_ASYNC_CMD_FD, |
| 2947 | UAPI_DEF_IS_OBJ_SUPPORTED(devx_is_supported)), |
Yishai Hadas | 2afc5e1 | 2019-06-30 19:23:29 +0300 | [diff] [blame] | 2948 | UAPI_DEF_CHAIN_OBJ_TREE_NAMED( |
| 2949 | MLX5_IB_OBJECT_DEVX_ASYNC_EVENT_FD, |
| 2950 | UAPI_DEF_IS_OBJ_SUPPORTED(devx_is_supported)), |
Jason Gunthorpe | 0cbf432 | 2018-11-12 22:59:50 +0200 | [diff] [blame] | 2951 | {}, |
| 2952 | }; |