Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2004, 2005 Topspin Communications. All rights reserved. |
| 3 | * Copyright (c) 2005, 2006, 2007, 2008 Mellanox Technologies. |
| 4 | * All rights reserved. |
| 5 | * Copyright (c) 2005, 2006, 2007 Cisco Systems, Inc. All rights reserved. |
| 6 | * |
| 7 | * This software is available to you under a choice of one of two |
| 8 | * licenses. You may choose to be licensed under the terms of the GNU |
| 9 | * General Public License (GPL) Version 2, available from the file |
| 10 | * COPYING in the main directory of this source tree, or the |
| 11 | * OpenIB.org BSD license below: |
| 12 | * |
| 13 | * Redistribution and use in source and binary forms, with or |
| 14 | * without modification, are permitted provided that the following |
| 15 | * conditions are met: |
| 16 | * |
| 17 | * - Redistributions of source code must retain the above |
| 18 | * copyright notice, this list of conditions and the following |
| 19 | * disclaimer. |
| 20 | * |
| 21 | * - Redistributions in binary form must reproduce the above |
| 22 | * copyright notice, this list of conditions and the following |
| 23 | * disclaimer in the documentation and/or other materials |
| 24 | * provided with the distribution. |
| 25 | * |
| 26 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| 27 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 28 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| 29 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
| 30 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
| 31 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| 32 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 33 | * SOFTWARE. |
| 34 | */ |
| 35 | |
| 36 | #include <linux/sched.h> |
| 37 | #include <linux/pci.h> |
| 38 | #include <linux/errno.h> |
| 39 | #include <linux/kernel.h> |
| 40 | #include <linux/io.h> |
Axel Lin | e143a1a | 2011-12-25 23:35:34 +0000 | [diff] [blame] | 41 | #include <linux/slab.h> |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 42 | #include <linux/mlx4/cmd.h> |
| 43 | #include <linux/mlx4/qp.h> |
Amir Vadai | af22d9d | 2012-07-18 22:33:49 +0000 | [diff] [blame] | 44 | #include <linux/if_ether.h> |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 45 | #include <linux/etherdevice.h> |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 46 | |
| 47 | #include "mlx4.h" |
| 48 | #include "fw.h" |
| 49 | |
| 50 | #define MLX4_MAC_VALID (1ull << 63) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 51 | |
| 52 | struct mac_res { |
| 53 | struct list_head list; |
| 54 | u64 mac; |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 55 | int ref_count; |
| 56 | u8 smac_index; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 57 | u8 port; |
| 58 | }; |
| 59 | |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 60 | struct vlan_res { |
| 61 | struct list_head list; |
| 62 | u16 vlan; |
| 63 | int ref_count; |
| 64 | int vlan_index; |
| 65 | u8 port; |
| 66 | }; |
| 67 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 68 | struct res_common { |
| 69 | struct list_head list; |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 70 | struct rb_node node; |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 71 | u64 res_id; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 72 | int owner; |
| 73 | int state; |
| 74 | int from_state; |
| 75 | int to_state; |
| 76 | int removing; |
| 77 | }; |
| 78 | |
| 79 | enum { |
| 80 | RES_ANY_BUSY = 1 |
| 81 | }; |
| 82 | |
| 83 | struct res_gid { |
| 84 | struct list_head list; |
| 85 | u8 gid[16]; |
| 86 | enum mlx4_protocol prot; |
Eugenia Emantayev | 9f5b6c6 | 2012-02-15 06:23:16 +0000 | [diff] [blame] | 87 | enum mlx4_steer_type steer; |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 88 | u64 reg_id; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 89 | }; |
| 90 | |
| 91 | enum res_qp_states { |
| 92 | RES_QP_BUSY = RES_ANY_BUSY, |
| 93 | |
| 94 | /* QP number was allocated */ |
| 95 | RES_QP_RESERVED, |
| 96 | |
| 97 | /* ICM memory for QP context was mapped */ |
| 98 | RES_QP_MAPPED, |
| 99 | |
| 100 | /* QP is in hw ownership */ |
| 101 | RES_QP_HW |
| 102 | }; |
| 103 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 104 | struct res_qp { |
| 105 | struct res_common com; |
| 106 | struct res_mtt *mtt; |
| 107 | struct res_cq *rcq; |
| 108 | struct res_cq *scq; |
| 109 | struct res_srq *srq; |
| 110 | struct list_head mcg_list; |
| 111 | spinlock_t mcg_spl; |
| 112 | int local_qpn; |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 113 | atomic_t ref_count; |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 114 | u32 qpc_flags; |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 115 | /* saved qp params before VST enforcement in order to restore on VGT */ |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 116 | u8 sched_queue; |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 117 | __be32 param3; |
| 118 | u8 vlan_control; |
| 119 | u8 fvl_rx; |
| 120 | u8 pri_path_fl; |
| 121 | u8 vlan_index; |
| 122 | u8 feup; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 123 | }; |
| 124 | |
| 125 | enum res_mtt_states { |
| 126 | RES_MTT_BUSY = RES_ANY_BUSY, |
| 127 | RES_MTT_ALLOCATED, |
| 128 | }; |
| 129 | |
| 130 | static inline const char *mtt_states_str(enum res_mtt_states state) |
| 131 | { |
| 132 | switch (state) { |
| 133 | case RES_MTT_BUSY: return "RES_MTT_BUSY"; |
| 134 | case RES_MTT_ALLOCATED: return "RES_MTT_ALLOCATED"; |
| 135 | default: return "Unknown"; |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | struct res_mtt { |
| 140 | struct res_common com; |
| 141 | int order; |
| 142 | atomic_t ref_count; |
| 143 | }; |
| 144 | |
| 145 | enum res_mpt_states { |
| 146 | RES_MPT_BUSY = RES_ANY_BUSY, |
| 147 | RES_MPT_RESERVED, |
| 148 | RES_MPT_MAPPED, |
| 149 | RES_MPT_HW, |
| 150 | }; |
| 151 | |
| 152 | struct res_mpt { |
| 153 | struct res_common com; |
| 154 | struct res_mtt *mtt; |
| 155 | int key; |
| 156 | }; |
| 157 | |
| 158 | enum res_eq_states { |
| 159 | RES_EQ_BUSY = RES_ANY_BUSY, |
| 160 | RES_EQ_RESERVED, |
| 161 | RES_EQ_HW, |
| 162 | }; |
| 163 | |
| 164 | struct res_eq { |
| 165 | struct res_common com; |
| 166 | struct res_mtt *mtt; |
| 167 | }; |
| 168 | |
| 169 | enum res_cq_states { |
| 170 | RES_CQ_BUSY = RES_ANY_BUSY, |
| 171 | RES_CQ_ALLOCATED, |
| 172 | RES_CQ_HW, |
| 173 | }; |
| 174 | |
| 175 | struct res_cq { |
| 176 | struct res_common com; |
| 177 | struct res_mtt *mtt; |
| 178 | atomic_t ref_count; |
| 179 | }; |
| 180 | |
| 181 | enum res_srq_states { |
| 182 | RES_SRQ_BUSY = RES_ANY_BUSY, |
| 183 | RES_SRQ_ALLOCATED, |
| 184 | RES_SRQ_HW, |
| 185 | }; |
| 186 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 187 | struct res_srq { |
| 188 | struct res_common com; |
| 189 | struct res_mtt *mtt; |
| 190 | struct res_cq *cq; |
| 191 | atomic_t ref_count; |
| 192 | }; |
| 193 | |
| 194 | enum res_counter_states { |
| 195 | RES_COUNTER_BUSY = RES_ANY_BUSY, |
| 196 | RES_COUNTER_ALLOCATED, |
| 197 | }; |
| 198 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 199 | struct res_counter { |
| 200 | struct res_common com; |
| 201 | int port; |
| 202 | }; |
| 203 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 204 | enum res_xrcdn_states { |
| 205 | RES_XRCD_BUSY = RES_ANY_BUSY, |
| 206 | RES_XRCD_ALLOCATED, |
| 207 | }; |
| 208 | |
| 209 | struct res_xrcdn { |
| 210 | struct res_common com; |
| 211 | int port; |
| 212 | }; |
| 213 | |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 214 | enum res_fs_rule_states { |
| 215 | RES_FS_RULE_BUSY = RES_ANY_BUSY, |
| 216 | RES_FS_RULE_ALLOCATED, |
| 217 | }; |
| 218 | |
| 219 | struct res_fs_rule { |
| 220 | struct res_common com; |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 221 | int qpn; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 222 | }; |
| 223 | |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 224 | static int mlx4_is_eth(struct mlx4_dev *dev, int port) |
| 225 | { |
| 226 | return dev->caps.port_mask[port] == MLX4_PORT_TYPE_IB ? 0 : 1; |
| 227 | } |
| 228 | |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 229 | static void *res_tracker_lookup(struct rb_root *root, u64 res_id) |
| 230 | { |
| 231 | struct rb_node *node = root->rb_node; |
| 232 | |
| 233 | while (node) { |
| 234 | struct res_common *res = container_of(node, struct res_common, |
| 235 | node); |
| 236 | |
| 237 | if (res_id < res->res_id) |
| 238 | node = node->rb_left; |
| 239 | else if (res_id > res->res_id) |
| 240 | node = node->rb_right; |
| 241 | else |
| 242 | return res; |
| 243 | } |
| 244 | return NULL; |
| 245 | } |
| 246 | |
| 247 | static int res_tracker_insert(struct rb_root *root, struct res_common *res) |
| 248 | { |
| 249 | struct rb_node **new = &(root->rb_node), *parent = NULL; |
| 250 | |
| 251 | /* Figure out where to put new node */ |
| 252 | while (*new) { |
| 253 | struct res_common *this = container_of(*new, struct res_common, |
| 254 | node); |
| 255 | |
| 256 | parent = *new; |
| 257 | if (res->res_id < this->res_id) |
| 258 | new = &((*new)->rb_left); |
| 259 | else if (res->res_id > this->res_id) |
| 260 | new = &((*new)->rb_right); |
| 261 | else |
| 262 | return -EEXIST; |
| 263 | } |
| 264 | |
| 265 | /* Add new node and rebalance tree. */ |
| 266 | rb_link_node(&res->node, parent, new); |
| 267 | rb_insert_color(&res->node, root); |
| 268 | |
| 269 | return 0; |
| 270 | } |
| 271 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 272 | enum qp_transition { |
| 273 | QP_TRANS_INIT2RTR, |
| 274 | QP_TRANS_RTR2RTS, |
| 275 | QP_TRANS_RTS2RTS, |
| 276 | QP_TRANS_SQERR2RTS, |
| 277 | QP_TRANS_SQD2SQD, |
| 278 | QP_TRANS_SQD2RTS |
| 279 | }; |
| 280 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 281 | /* For Debug uses */ |
| 282 | static const char *ResourceType(enum mlx4_resource rt) |
| 283 | { |
| 284 | switch (rt) { |
| 285 | case RES_QP: return "RES_QP"; |
| 286 | case RES_CQ: return "RES_CQ"; |
| 287 | case RES_SRQ: return "RES_SRQ"; |
| 288 | case RES_MPT: return "RES_MPT"; |
| 289 | case RES_MTT: return "RES_MTT"; |
| 290 | case RES_MAC: return "RES_MAC"; |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 291 | case RES_VLAN: return "RES_VLAN"; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 292 | case RES_EQ: return "RES_EQ"; |
| 293 | case RES_COUNTER: return "RES_COUNTER"; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 294 | case RES_FS_RULE: return "RES_FS_RULE"; |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 295 | case RES_XRCD: return "RES_XRCD"; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 296 | default: return "Unknown resource type !!!"; |
| 297 | }; |
| 298 | } |
| 299 | |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 300 | static void rem_slave_vlans(struct mlx4_dev *dev, int slave); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 301 | static inline int mlx4_grant_resource(struct mlx4_dev *dev, int slave, |
| 302 | enum mlx4_resource res_type, int count, |
| 303 | int port) |
| 304 | { |
| 305 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 306 | struct resource_allocator *res_alloc = |
| 307 | &priv->mfunc.master.res_tracker.res_alloc[res_type]; |
| 308 | int err = -EINVAL; |
| 309 | int allocated, free, reserved, guaranteed, from_free; |
| 310 | |
| 311 | if (slave > dev->num_vfs) |
| 312 | return -EINVAL; |
| 313 | |
| 314 | spin_lock(&res_alloc->alloc_lock); |
| 315 | allocated = (port > 0) ? |
| 316 | res_alloc->allocated[(port - 1) * (dev->num_vfs + 1) + slave] : |
| 317 | res_alloc->allocated[slave]; |
| 318 | free = (port > 0) ? res_alloc->res_port_free[port - 1] : |
| 319 | res_alloc->res_free; |
| 320 | reserved = (port > 0) ? res_alloc->res_port_rsvd[port - 1] : |
| 321 | res_alloc->res_reserved; |
| 322 | guaranteed = res_alloc->guaranteed[slave]; |
| 323 | |
| 324 | if (allocated + count > res_alloc->quota[slave]) |
| 325 | goto out; |
| 326 | |
| 327 | if (allocated + count <= guaranteed) { |
| 328 | err = 0; |
| 329 | } else { |
| 330 | /* portion may need to be obtained from free area */ |
| 331 | if (guaranteed - allocated > 0) |
| 332 | from_free = count - (guaranteed - allocated); |
| 333 | else |
| 334 | from_free = count; |
| 335 | |
| 336 | if (free - from_free > reserved) |
| 337 | err = 0; |
| 338 | } |
| 339 | |
| 340 | if (!err) { |
| 341 | /* grant the request */ |
| 342 | if (port > 0) { |
| 343 | res_alloc->allocated[(port - 1) * (dev->num_vfs + 1) + slave] += count; |
| 344 | res_alloc->res_port_free[port - 1] -= count; |
| 345 | } else { |
| 346 | res_alloc->allocated[slave] += count; |
| 347 | res_alloc->res_free -= count; |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | out: |
| 352 | spin_unlock(&res_alloc->alloc_lock); |
| 353 | return err; |
| 354 | } |
| 355 | |
| 356 | static inline void mlx4_release_resource(struct mlx4_dev *dev, int slave, |
| 357 | enum mlx4_resource res_type, int count, |
| 358 | int port) |
| 359 | { |
| 360 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 361 | struct resource_allocator *res_alloc = |
| 362 | &priv->mfunc.master.res_tracker.res_alloc[res_type]; |
| 363 | |
| 364 | if (slave > dev->num_vfs) |
| 365 | return; |
| 366 | |
| 367 | spin_lock(&res_alloc->alloc_lock); |
| 368 | if (port > 0) { |
| 369 | res_alloc->allocated[(port - 1) * (dev->num_vfs + 1) + slave] -= count; |
| 370 | res_alloc->res_port_free[port - 1] += count; |
| 371 | } else { |
| 372 | res_alloc->allocated[slave] -= count; |
| 373 | res_alloc->res_free += count; |
| 374 | } |
| 375 | |
| 376 | spin_unlock(&res_alloc->alloc_lock); |
| 377 | return; |
| 378 | } |
| 379 | |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 380 | static inline void initialize_res_quotas(struct mlx4_dev *dev, |
| 381 | struct resource_allocator *res_alloc, |
| 382 | enum mlx4_resource res_type, |
| 383 | int vf, int num_instances) |
| 384 | { |
| 385 | res_alloc->guaranteed[vf] = num_instances / (2 * (dev->num_vfs + 1)); |
| 386 | res_alloc->quota[vf] = (num_instances / 2) + res_alloc->guaranteed[vf]; |
| 387 | if (vf == mlx4_master_func_num(dev)) { |
| 388 | res_alloc->res_free = num_instances; |
| 389 | if (res_type == RES_MTT) { |
| 390 | /* reserved mtts will be taken out of the PF allocation */ |
| 391 | res_alloc->res_free += dev->caps.reserved_mtts; |
| 392 | res_alloc->guaranteed[vf] += dev->caps.reserved_mtts; |
| 393 | res_alloc->quota[vf] += dev->caps.reserved_mtts; |
| 394 | } |
| 395 | } |
| 396 | } |
| 397 | |
| 398 | void mlx4_init_quotas(struct mlx4_dev *dev) |
| 399 | { |
| 400 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 401 | int pf; |
| 402 | |
| 403 | /* quotas for VFs are initialized in mlx4_slave_cap */ |
| 404 | if (mlx4_is_slave(dev)) |
| 405 | return; |
| 406 | |
| 407 | if (!mlx4_is_mfunc(dev)) { |
| 408 | dev->quotas.qp = dev->caps.num_qps - dev->caps.reserved_qps - |
| 409 | mlx4_num_reserved_sqps(dev); |
| 410 | dev->quotas.cq = dev->caps.num_cqs - dev->caps.reserved_cqs; |
| 411 | dev->quotas.srq = dev->caps.num_srqs - dev->caps.reserved_srqs; |
| 412 | dev->quotas.mtt = dev->caps.num_mtts - dev->caps.reserved_mtts; |
| 413 | dev->quotas.mpt = dev->caps.num_mpts - dev->caps.reserved_mrws; |
| 414 | return; |
| 415 | } |
| 416 | |
| 417 | pf = mlx4_master_func_num(dev); |
| 418 | dev->quotas.qp = |
| 419 | priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[pf]; |
| 420 | dev->quotas.cq = |
| 421 | priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[pf]; |
| 422 | dev->quotas.srq = |
| 423 | priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[pf]; |
| 424 | dev->quotas.mtt = |
| 425 | priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[pf]; |
| 426 | dev->quotas.mpt = |
| 427 | priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[pf]; |
| 428 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 429 | int mlx4_init_resource_tracker(struct mlx4_dev *dev) |
| 430 | { |
| 431 | struct mlx4_priv *priv = mlx4_priv(dev); |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 432 | int i, j; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 433 | int t; |
| 434 | |
| 435 | priv->mfunc.master.res_tracker.slave_list = |
| 436 | kzalloc(dev->num_slaves * sizeof(struct slave_list), |
| 437 | GFP_KERNEL); |
| 438 | if (!priv->mfunc.master.res_tracker.slave_list) |
| 439 | return -ENOMEM; |
| 440 | |
| 441 | for (i = 0 ; i < dev->num_slaves; i++) { |
| 442 | for (t = 0; t < MLX4_NUM_OF_RESOURCE_TYPE; ++t) |
| 443 | INIT_LIST_HEAD(&priv->mfunc.master.res_tracker. |
| 444 | slave_list[i].res_list[t]); |
| 445 | mutex_init(&priv->mfunc.master.res_tracker.slave_list[i].mutex); |
| 446 | } |
| 447 | |
| 448 | mlx4_dbg(dev, "Started init_resource_tracker: %ld slaves\n", |
| 449 | dev->num_slaves); |
| 450 | for (i = 0 ; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 451 | priv->mfunc.master.res_tracker.res_tree[i] = RB_ROOT; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 452 | |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 453 | for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) { |
| 454 | struct resource_allocator *res_alloc = |
| 455 | &priv->mfunc.master.res_tracker.res_alloc[i]; |
| 456 | res_alloc->quota = kmalloc((dev->num_vfs + 1) * sizeof(int), GFP_KERNEL); |
| 457 | res_alloc->guaranteed = kmalloc((dev->num_vfs + 1) * sizeof(int), GFP_KERNEL); |
| 458 | if (i == RES_MAC || i == RES_VLAN) |
| 459 | res_alloc->allocated = kzalloc(MLX4_MAX_PORTS * |
| 460 | (dev->num_vfs + 1) * sizeof(int), |
| 461 | GFP_KERNEL); |
| 462 | else |
| 463 | res_alloc->allocated = kzalloc((dev->num_vfs + 1) * sizeof(int), GFP_KERNEL); |
| 464 | |
| 465 | if (!res_alloc->quota || !res_alloc->guaranteed || |
| 466 | !res_alloc->allocated) |
| 467 | goto no_mem_err; |
| 468 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 469 | spin_lock_init(&res_alloc->alloc_lock); |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 470 | for (t = 0; t < dev->num_vfs + 1; t++) { |
| 471 | switch (i) { |
| 472 | case RES_QP: |
| 473 | initialize_res_quotas(dev, res_alloc, RES_QP, |
| 474 | t, dev->caps.num_qps - |
| 475 | dev->caps.reserved_qps - |
| 476 | mlx4_num_reserved_sqps(dev)); |
| 477 | break; |
| 478 | case RES_CQ: |
| 479 | initialize_res_quotas(dev, res_alloc, RES_CQ, |
| 480 | t, dev->caps.num_cqs - |
| 481 | dev->caps.reserved_cqs); |
| 482 | break; |
| 483 | case RES_SRQ: |
| 484 | initialize_res_quotas(dev, res_alloc, RES_SRQ, |
| 485 | t, dev->caps.num_srqs - |
| 486 | dev->caps.reserved_srqs); |
| 487 | break; |
| 488 | case RES_MPT: |
| 489 | initialize_res_quotas(dev, res_alloc, RES_MPT, |
| 490 | t, dev->caps.num_mpts - |
| 491 | dev->caps.reserved_mrws); |
| 492 | break; |
| 493 | case RES_MTT: |
| 494 | initialize_res_quotas(dev, res_alloc, RES_MTT, |
| 495 | t, dev->caps.num_mtts - |
| 496 | dev->caps.reserved_mtts); |
| 497 | break; |
| 498 | case RES_MAC: |
| 499 | if (t == mlx4_master_func_num(dev)) { |
| 500 | res_alloc->quota[t] = MLX4_MAX_MAC_NUM; |
| 501 | res_alloc->guaranteed[t] = 2; |
| 502 | for (j = 0; j < MLX4_MAX_PORTS; j++) |
| 503 | res_alloc->res_port_free[j] = MLX4_MAX_MAC_NUM; |
| 504 | } else { |
| 505 | res_alloc->quota[t] = MLX4_MAX_MAC_NUM; |
| 506 | res_alloc->guaranteed[t] = 2; |
| 507 | } |
| 508 | break; |
| 509 | case RES_VLAN: |
| 510 | if (t == mlx4_master_func_num(dev)) { |
| 511 | res_alloc->quota[t] = MLX4_MAX_VLAN_NUM; |
| 512 | res_alloc->guaranteed[t] = MLX4_MAX_VLAN_NUM / 2; |
| 513 | for (j = 0; j < MLX4_MAX_PORTS; j++) |
| 514 | res_alloc->res_port_free[j] = |
| 515 | res_alloc->quota[t]; |
| 516 | } else { |
| 517 | res_alloc->quota[t] = MLX4_MAX_VLAN_NUM / 2; |
| 518 | res_alloc->guaranteed[t] = 0; |
| 519 | } |
| 520 | break; |
| 521 | case RES_COUNTER: |
| 522 | res_alloc->quota[t] = dev->caps.max_counters; |
| 523 | res_alloc->guaranteed[t] = 0; |
| 524 | if (t == mlx4_master_func_num(dev)) |
| 525 | res_alloc->res_free = res_alloc->quota[t]; |
| 526 | break; |
| 527 | default: |
| 528 | break; |
| 529 | } |
| 530 | if (i == RES_MAC || i == RES_VLAN) { |
| 531 | for (j = 0; j < MLX4_MAX_PORTS; j++) |
| 532 | res_alloc->res_port_rsvd[j] += |
| 533 | res_alloc->guaranteed[t]; |
| 534 | } else { |
| 535 | res_alloc->res_reserved += res_alloc->guaranteed[t]; |
| 536 | } |
| 537 | } |
| 538 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 539 | spin_lock_init(&priv->mfunc.master.res_tracker.lock); |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 540 | return 0; |
| 541 | |
| 542 | no_mem_err: |
| 543 | for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) { |
| 544 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].allocated); |
| 545 | priv->mfunc.master.res_tracker.res_alloc[i].allocated = NULL; |
| 546 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].guaranteed); |
| 547 | priv->mfunc.master.res_tracker.res_alloc[i].guaranteed = NULL; |
| 548 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].quota); |
| 549 | priv->mfunc.master.res_tracker.res_alloc[i].quota = NULL; |
| 550 | } |
| 551 | return -ENOMEM; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 552 | } |
| 553 | |
Jack Morgenstein | b892495 | 2012-05-15 10:35:02 +0000 | [diff] [blame] | 554 | void mlx4_free_resource_tracker(struct mlx4_dev *dev, |
| 555 | enum mlx4_res_tracker_free_type type) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 556 | { |
| 557 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 558 | int i; |
| 559 | |
| 560 | if (priv->mfunc.master.res_tracker.slave_list) { |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 561 | if (type != RES_TR_FREE_STRUCTS_ONLY) { |
| 562 | for (i = 0; i < dev->num_slaves; i++) { |
Jack Morgenstein | b892495 | 2012-05-15 10:35:02 +0000 | [diff] [blame] | 563 | if (type == RES_TR_FREE_ALL || |
| 564 | dev->caps.function != i) |
| 565 | mlx4_delete_all_resources_for_slave(dev, i); |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 566 | } |
| 567 | /* free master's vlans */ |
| 568 | i = dev->caps.function; |
| 569 | mutex_lock(&priv->mfunc.master.res_tracker.slave_list[i].mutex); |
| 570 | rem_slave_vlans(dev, i); |
| 571 | mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[i].mutex); |
| 572 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 573 | |
Jack Morgenstein | b892495 | 2012-05-15 10:35:02 +0000 | [diff] [blame] | 574 | if (type != RES_TR_FREE_SLAVES_ONLY) { |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 575 | for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) { |
| 576 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].allocated); |
| 577 | priv->mfunc.master.res_tracker.res_alloc[i].allocated = NULL; |
| 578 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].guaranteed); |
| 579 | priv->mfunc.master.res_tracker.res_alloc[i].guaranteed = NULL; |
| 580 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].quota); |
| 581 | priv->mfunc.master.res_tracker.res_alloc[i].quota = NULL; |
| 582 | } |
Jack Morgenstein | b892495 | 2012-05-15 10:35:02 +0000 | [diff] [blame] | 583 | kfree(priv->mfunc.master.res_tracker.slave_list); |
| 584 | priv->mfunc.master.res_tracker.slave_list = NULL; |
| 585 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 586 | } |
| 587 | } |
| 588 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 589 | static void update_pkey_index(struct mlx4_dev *dev, int slave, |
| 590 | struct mlx4_cmd_mailbox *inbox) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 591 | { |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 592 | u8 sched = *(u8 *)(inbox->buf + 64); |
| 593 | u8 orig_index = *(u8 *)(inbox->buf + 35); |
| 594 | u8 new_index; |
| 595 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 596 | int port; |
| 597 | |
| 598 | port = (sched >> 6 & 1) + 1; |
| 599 | |
| 600 | new_index = priv->virt2phys_pkey[slave][port - 1][orig_index]; |
| 601 | *(u8 *)(inbox->buf + 35) = new_index; |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 602 | } |
| 603 | |
| 604 | static void update_gid(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *inbox, |
| 605 | u8 slave) |
| 606 | { |
| 607 | struct mlx4_qp_context *qp_ctx = inbox->buf + 8; |
| 608 | enum mlx4_qp_optpar optpar = be32_to_cpu(*(__be32 *) inbox->buf); |
| 609 | u32 ts = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff; |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 610 | int port; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 611 | |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 612 | if (MLX4_QP_ST_UD == ts) { |
| 613 | port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; |
| 614 | if (mlx4_is_eth(dev, port)) |
| 615 | qp_ctx->pri_path.mgid_index = mlx4_get_base_gid_ix(dev, slave) | 0x80; |
| 616 | else |
| 617 | qp_ctx->pri_path.mgid_index = slave | 0x80; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 618 | |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 619 | } else if (MLX4_QP_ST_RC == ts || MLX4_QP_ST_XRC == ts || MLX4_QP_ST_UC == ts) { |
| 620 | if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH) { |
| 621 | port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; |
| 622 | if (mlx4_is_eth(dev, port)) { |
| 623 | qp_ctx->pri_path.mgid_index += mlx4_get_base_gid_ix(dev, slave); |
| 624 | qp_ctx->pri_path.mgid_index &= 0x7f; |
| 625 | } else { |
| 626 | qp_ctx->pri_path.mgid_index = slave & 0x7F; |
| 627 | } |
| 628 | } |
| 629 | if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) { |
| 630 | port = (qp_ctx->alt_path.sched_queue >> 6 & 1) + 1; |
| 631 | if (mlx4_is_eth(dev, port)) { |
| 632 | qp_ctx->alt_path.mgid_index += mlx4_get_base_gid_ix(dev, slave); |
| 633 | qp_ctx->alt_path.mgid_index &= 0x7f; |
| 634 | } else { |
| 635 | qp_ctx->alt_path.mgid_index = slave & 0x7F; |
| 636 | } |
| 637 | } |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 638 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 639 | } |
| 640 | |
Rony Efraim | 3f7fb02 | 2013-04-25 05:22:28 +0000 | [diff] [blame] | 641 | static int update_vport_qp_param(struct mlx4_dev *dev, |
| 642 | struct mlx4_cmd_mailbox *inbox, |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 643 | u8 slave, u32 qpn) |
Rony Efraim | 3f7fb02 | 2013-04-25 05:22:28 +0000 | [diff] [blame] | 644 | { |
| 645 | struct mlx4_qp_context *qpc = inbox->buf + 8; |
| 646 | struct mlx4_vport_oper_state *vp_oper; |
| 647 | struct mlx4_priv *priv; |
Rony Efraim | 3f7fb02 | 2013-04-25 05:22:28 +0000 | [diff] [blame] | 648 | int port; |
| 649 | |
| 650 | port = (qpc->pri_path.sched_queue & 0x40) ? 2 : 1; |
| 651 | priv = mlx4_priv(dev); |
| 652 | vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port]; |
| 653 | |
| 654 | if (MLX4_VGT != vp_oper->state.default_vlan) { |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 655 | /* the reserved QPs (special, proxy, tunnel) |
| 656 | * do not operate over vlans |
| 657 | */ |
| 658 | if (mlx4_is_qp_reserved(dev, qpn)) |
| 659 | return 0; |
| 660 | |
Rony Efraim | 7677fc9 | 2013-05-08 22:22:35 +0000 | [diff] [blame] | 661 | /* force strip vlan by clear vsd */ |
| 662 | qpc->param3 &= ~cpu_to_be32(MLX4_STRIP_VLAN); |
Rony Efraim | 0a6eac2 | 2013-06-27 19:05:22 +0300 | [diff] [blame] | 663 | |
| 664 | if (vp_oper->state.link_state == IFLA_VF_LINK_STATE_DISABLE && |
| 665 | dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_UPDATE_QP) { |
| 666 | qpc->pri_path.vlan_control = |
| 667 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
| 668 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED | |
| 669 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED | |
| 670 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | |
| 671 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED | |
| 672 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; |
| 673 | } else if (0 != vp_oper->state.default_vlan) { |
Rony Efraim | 7677fc9 | 2013-05-08 22:22:35 +0000 | [diff] [blame] | 674 | qpc->pri_path.vlan_control = |
| 675 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
| 676 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | |
| 677 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED; |
| 678 | } else { /* priority tagged */ |
| 679 | qpc->pri_path.vlan_control = |
| 680 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
| 681 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; |
| 682 | } |
| 683 | |
| 684 | qpc->pri_path.fvl_rx |= MLX4_FVL_RX_FORCE_ETH_VLAN; |
Rony Efraim | 3f7fb02 | 2013-04-25 05:22:28 +0000 | [diff] [blame] | 685 | qpc->pri_path.vlan_index = vp_oper->vlan_idx; |
Rony Efraim | 7677fc9 | 2013-05-08 22:22:35 +0000 | [diff] [blame] | 686 | qpc->pri_path.fl |= MLX4_FL_CV | MLX4_FL_ETH_HIDE_CQE_VLAN; |
| 687 | qpc->pri_path.feup |= MLX4_FEUP_FORCE_ETH_UP | MLX4_FVL_FORCE_ETH_VLAN; |
Rony Efraim | 3f7fb02 | 2013-04-25 05:22:28 +0000 | [diff] [blame] | 688 | qpc->pri_path.sched_queue &= 0xC7; |
| 689 | qpc->pri_path.sched_queue |= (vp_oper->state.default_qos) << 3; |
Rony Efraim | 3f7fb02 | 2013-04-25 05:22:28 +0000 | [diff] [blame] | 690 | } |
Rony Efraim | e6b6a23 | 2013-04-25 05:22:29 +0000 | [diff] [blame] | 691 | if (vp_oper->state.spoofchk) { |
Rony Efraim | 7677fc9 | 2013-05-08 22:22:35 +0000 | [diff] [blame] | 692 | qpc->pri_path.feup |= MLX4_FSM_FORCE_ETH_SRC_MAC; |
Rony Efraim | e6b6a23 | 2013-04-25 05:22:29 +0000 | [diff] [blame] | 693 | qpc->pri_path.grh_mylmc = (0x80 & qpc->pri_path.grh_mylmc) + vp_oper->mac_idx; |
Rony Efraim | e6b6a23 | 2013-04-25 05:22:29 +0000 | [diff] [blame] | 694 | } |
Rony Efraim | 3f7fb02 | 2013-04-25 05:22:28 +0000 | [diff] [blame] | 695 | return 0; |
| 696 | } |
| 697 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 698 | static int mpt_mask(struct mlx4_dev *dev) |
| 699 | { |
| 700 | return dev->caps.num_mpts - 1; |
| 701 | } |
| 702 | |
Hadar Hen Zion | 1e3f7b3 | 2013-03-21 05:55:54 +0000 | [diff] [blame] | 703 | static void *find_res(struct mlx4_dev *dev, u64 res_id, |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 704 | enum mlx4_resource type) |
| 705 | { |
| 706 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 707 | |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 708 | return res_tracker_lookup(&priv->mfunc.master.res_tracker.res_tree[type], |
| 709 | res_id); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 710 | } |
| 711 | |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 712 | static int get_res(struct mlx4_dev *dev, int slave, u64 res_id, |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 713 | enum mlx4_resource type, |
| 714 | void *res) |
| 715 | { |
| 716 | struct res_common *r; |
| 717 | int err = 0; |
| 718 | |
| 719 | spin_lock_irq(mlx4_tlock(dev)); |
| 720 | r = find_res(dev, res_id, type); |
| 721 | if (!r) { |
| 722 | err = -ENONET; |
| 723 | goto exit; |
| 724 | } |
| 725 | |
| 726 | if (r->state == RES_ANY_BUSY) { |
| 727 | err = -EBUSY; |
| 728 | goto exit; |
| 729 | } |
| 730 | |
| 731 | if (r->owner != slave) { |
| 732 | err = -EPERM; |
| 733 | goto exit; |
| 734 | } |
| 735 | |
| 736 | r->from_state = r->state; |
| 737 | r->state = RES_ANY_BUSY; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 738 | |
| 739 | if (res) |
| 740 | *((struct res_common **)res) = r; |
| 741 | |
| 742 | exit: |
| 743 | spin_unlock_irq(mlx4_tlock(dev)); |
| 744 | return err; |
| 745 | } |
| 746 | |
| 747 | int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev, |
| 748 | enum mlx4_resource type, |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 749 | u64 res_id, int *slave) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 750 | { |
| 751 | |
| 752 | struct res_common *r; |
| 753 | int err = -ENOENT; |
| 754 | int id = res_id; |
| 755 | |
| 756 | if (type == RES_QP) |
| 757 | id &= 0x7fffff; |
Yevgeny Petrilin | 996b054 | 2011-12-19 04:03:05 +0000 | [diff] [blame] | 758 | spin_lock(mlx4_tlock(dev)); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 759 | |
| 760 | r = find_res(dev, id, type); |
| 761 | if (r) { |
| 762 | *slave = r->owner; |
| 763 | err = 0; |
| 764 | } |
Yevgeny Petrilin | 996b054 | 2011-12-19 04:03:05 +0000 | [diff] [blame] | 765 | spin_unlock(mlx4_tlock(dev)); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 766 | |
| 767 | return err; |
| 768 | } |
| 769 | |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 770 | static void put_res(struct mlx4_dev *dev, int slave, u64 res_id, |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 771 | enum mlx4_resource type) |
| 772 | { |
| 773 | struct res_common *r; |
| 774 | |
| 775 | spin_lock_irq(mlx4_tlock(dev)); |
| 776 | r = find_res(dev, res_id, type); |
| 777 | if (r) |
| 778 | r->state = r->from_state; |
| 779 | spin_unlock_irq(mlx4_tlock(dev)); |
| 780 | } |
| 781 | |
| 782 | static struct res_common *alloc_qp_tr(int id) |
| 783 | { |
| 784 | struct res_qp *ret; |
| 785 | |
| 786 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 787 | if (!ret) |
| 788 | return NULL; |
| 789 | |
| 790 | ret->com.res_id = id; |
| 791 | ret->com.state = RES_QP_RESERVED; |
Eugenia Emantayev | 2531188 | 2012-02-15 06:22:57 +0000 | [diff] [blame] | 792 | ret->local_qpn = id; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 793 | INIT_LIST_HEAD(&ret->mcg_list); |
| 794 | spin_lock_init(&ret->mcg_spl); |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 795 | atomic_set(&ret->ref_count, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 796 | |
| 797 | return &ret->com; |
| 798 | } |
| 799 | |
| 800 | static struct res_common *alloc_mtt_tr(int id, int order) |
| 801 | { |
| 802 | struct res_mtt *ret; |
| 803 | |
| 804 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 805 | if (!ret) |
| 806 | return NULL; |
| 807 | |
| 808 | ret->com.res_id = id; |
| 809 | ret->order = order; |
| 810 | ret->com.state = RES_MTT_ALLOCATED; |
| 811 | atomic_set(&ret->ref_count, 0); |
| 812 | |
| 813 | return &ret->com; |
| 814 | } |
| 815 | |
| 816 | static struct res_common *alloc_mpt_tr(int id, int key) |
| 817 | { |
| 818 | struct res_mpt *ret; |
| 819 | |
| 820 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 821 | if (!ret) |
| 822 | return NULL; |
| 823 | |
| 824 | ret->com.res_id = id; |
| 825 | ret->com.state = RES_MPT_RESERVED; |
| 826 | ret->key = key; |
| 827 | |
| 828 | return &ret->com; |
| 829 | } |
| 830 | |
| 831 | static struct res_common *alloc_eq_tr(int id) |
| 832 | { |
| 833 | struct res_eq *ret; |
| 834 | |
| 835 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 836 | if (!ret) |
| 837 | return NULL; |
| 838 | |
| 839 | ret->com.res_id = id; |
| 840 | ret->com.state = RES_EQ_RESERVED; |
| 841 | |
| 842 | return &ret->com; |
| 843 | } |
| 844 | |
| 845 | static struct res_common *alloc_cq_tr(int id) |
| 846 | { |
| 847 | struct res_cq *ret; |
| 848 | |
| 849 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 850 | if (!ret) |
| 851 | return NULL; |
| 852 | |
| 853 | ret->com.res_id = id; |
| 854 | ret->com.state = RES_CQ_ALLOCATED; |
| 855 | atomic_set(&ret->ref_count, 0); |
| 856 | |
| 857 | return &ret->com; |
| 858 | } |
| 859 | |
| 860 | static struct res_common *alloc_srq_tr(int id) |
| 861 | { |
| 862 | struct res_srq *ret; |
| 863 | |
| 864 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 865 | if (!ret) |
| 866 | return NULL; |
| 867 | |
| 868 | ret->com.res_id = id; |
| 869 | ret->com.state = RES_SRQ_ALLOCATED; |
| 870 | atomic_set(&ret->ref_count, 0); |
| 871 | |
| 872 | return &ret->com; |
| 873 | } |
| 874 | |
| 875 | static struct res_common *alloc_counter_tr(int id) |
| 876 | { |
| 877 | struct res_counter *ret; |
| 878 | |
| 879 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 880 | if (!ret) |
| 881 | return NULL; |
| 882 | |
| 883 | ret->com.res_id = id; |
| 884 | ret->com.state = RES_COUNTER_ALLOCATED; |
| 885 | |
| 886 | return &ret->com; |
| 887 | } |
| 888 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 889 | static struct res_common *alloc_xrcdn_tr(int id) |
| 890 | { |
| 891 | struct res_xrcdn *ret; |
| 892 | |
| 893 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 894 | if (!ret) |
| 895 | return NULL; |
| 896 | |
| 897 | ret->com.res_id = id; |
| 898 | ret->com.state = RES_XRCD_ALLOCATED; |
| 899 | |
| 900 | return &ret->com; |
| 901 | } |
| 902 | |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 903 | static struct res_common *alloc_fs_rule_tr(u64 id, int qpn) |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 904 | { |
| 905 | struct res_fs_rule *ret; |
| 906 | |
| 907 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 908 | if (!ret) |
| 909 | return NULL; |
| 910 | |
| 911 | ret->com.res_id = id; |
| 912 | ret->com.state = RES_FS_RULE_ALLOCATED; |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 913 | ret->qpn = qpn; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 914 | return &ret->com; |
| 915 | } |
| 916 | |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 917 | static struct res_common *alloc_tr(u64 id, enum mlx4_resource type, int slave, |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 918 | int extra) |
| 919 | { |
| 920 | struct res_common *ret; |
| 921 | |
| 922 | switch (type) { |
| 923 | case RES_QP: |
| 924 | ret = alloc_qp_tr(id); |
| 925 | break; |
| 926 | case RES_MPT: |
| 927 | ret = alloc_mpt_tr(id, extra); |
| 928 | break; |
| 929 | case RES_MTT: |
| 930 | ret = alloc_mtt_tr(id, extra); |
| 931 | break; |
| 932 | case RES_EQ: |
| 933 | ret = alloc_eq_tr(id); |
| 934 | break; |
| 935 | case RES_CQ: |
| 936 | ret = alloc_cq_tr(id); |
| 937 | break; |
| 938 | case RES_SRQ: |
| 939 | ret = alloc_srq_tr(id); |
| 940 | break; |
| 941 | case RES_MAC: |
| 942 | printk(KERN_ERR "implementation missing\n"); |
| 943 | return NULL; |
| 944 | case RES_COUNTER: |
| 945 | ret = alloc_counter_tr(id); |
| 946 | break; |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 947 | case RES_XRCD: |
| 948 | ret = alloc_xrcdn_tr(id); |
| 949 | break; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 950 | case RES_FS_RULE: |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 951 | ret = alloc_fs_rule_tr(id, extra); |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 952 | break; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 953 | default: |
| 954 | return NULL; |
| 955 | } |
| 956 | if (ret) |
| 957 | ret->owner = slave; |
| 958 | |
| 959 | return ret; |
| 960 | } |
| 961 | |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 962 | static int add_res_range(struct mlx4_dev *dev, int slave, u64 base, int count, |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 963 | enum mlx4_resource type, int extra) |
| 964 | { |
| 965 | int i; |
| 966 | int err; |
| 967 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 968 | struct res_common **res_arr; |
| 969 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 970 | struct rb_root *root = &tracker->res_tree[type]; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 971 | |
| 972 | res_arr = kzalloc(count * sizeof *res_arr, GFP_KERNEL); |
| 973 | if (!res_arr) |
| 974 | return -ENOMEM; |
| 975 | |
| 976 | for (i = 0; i < count; ++i) { |
| 977 | res_arr[i] = alloc_tr(base + i, type, slave, extra); |
| 978 | if (!res_arr[i]) { |
| 979 | for (--i; i >= 0; --i) |
| 980 | kfree(res_arr[i]); |
| 981 | |
| 982 | kfree(res_arr); |
| 983 | return -ENOMEM; |
| 984 | } |
| 985 | } |
| 986 | |
| 987 | spin_lock_irq(mlx4_tlock(dev)); |
| 988 | for (i = 0; i < count; ++i) { |
| 989 | if (find_res(dev, base + i, type)) { |
| 990 | err = -EEXIST; |
| 991 | goto undo; |
| 992 | } |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 993 | err = res_tracker_insert(root, res_arr[i]); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 994 | if (err) |
| 995 | goto undo; |
| 996 | list_add_tail(&res_arr[i]->list, |
| 997 | &tracker->slave_list[slave].res_list[type]); |
| 998 | } |
| 999 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1000 | kfree(res_arr); |
| 1001 | |
| 1002 | return 0; |
| 1003 | |
| 1004 | undo: |
| 1005 | for (--i; i >= base; --i) |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1006 | rb_erase(&res_arr[i]->node, root); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1007 | |
| 1008 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1009 | |
| 1010 | for (i = 0; i < count; ++i) |
| 1011 | kfree(res_arr[i]); |
| 1012 | |
| 1013 | kfree(res_arr); |
| 1014 | |
| 1015 | return err; |
| 1016 | } |
| 1017 | |
| 1018 | static int remove_qp_ok(struct res_qp *res) |
| 1019 | { |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 1020 | if (res->com.state == RES_QP_BUSY || atomic_read(&res->ref_count) || |
| 1021 | !list_empty(&res->mcg_list)) { |
| 1022 | pr_err("resource tracker: fail to remove qp, state %d, ref_count %d\n", |
| 1023 | res->com.state, atomic_read(&res->ref_count)); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1024 | return -EBUSY; |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 1025 | } else if (res->com.state != RES_QP_RESERVED) { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1026 | return -EPERM; |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 1027 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1028 | |
| 1029 | return 0; |
| 1030 | } |
| 1031 | |
| 1032 | static int remove_mtt_ok(struct res_mtt *res, int order) |
| 1033 | { |
| 1034 | if (res->com.state == RES_MTT_BUSY || |
| 1035 | atomic_read(&res->ref_count)) { |
| 1036 | printk(KERN_DEBUG "%s-%d: state %s, ref_count %d\n", |
| 1037 | __func__, __LINE__, |
| 1038 | mtt_states_str(res->com.state), |
| 1039 | atomic_read(&res->ref_count)); |
| 1040 | return -EBUSY; |
| 1041 | } else if (res->com.state != RES_MTT_ALLOCATED) |
| 1042 | return -EPERM; |
| 1043 | else if (res->order != order) |
| 1044 | return -EINVAL; |
| 1045 | |
| 1046 | return 0; |
| 1047 | } |
| 1048 | |
| 1049 | static int remove_mpt_ok(struct res_mpt *res) |
| 1050 | { |
| 1051 | if (res->com.state == RES_MPT_BUSY) |
| 1052 | return -EBUSY; |
| 1053 | else if (res->com.state != RES_MPT_RESERVED) |
| 1054 | return -EPERM; |
| 1055 | |
| 1056 | return 0; |
| 1057 | } |
| 1058 | |
| 1059 | static int remove_eq_ok(struct res_eq *res) |
| 1060 | { |
| 1061 | if (res->com.state == RES_MPT_BUSY) |
| 1062 | return -EBUSY; |
| 1063 | else if (res->com.state != RES_MPT_RESERVED) |
| 1064 | return -EPERM; |
| 1065 | |
| 1066 | return 0; |
| 1067 | } |
| 1068 | |
| 1069 | static int remove_counter_ok(struct res_counter *res) |
| 1070 | { |
| 1071 | if (res->com.state == RES_COUNTER_BUSY) |
| 1072 | return -EBUSY; |
| 1073 | else if (res->com.state != RES_COUNTER_ALLOCATED) |
| 1074 | return -EPERM; |
| 1075 | |
| 1076 | return 0; |
| 1077 | } |
| 1078 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 1079 | static int remove_xrcdn_ok(struct res_xrcdn *res) |
| 1080 | { |
| 1081 | if (res->com.state == RES_XRCD_BUSY) |
| 1082 | return -EBUSY; |
| 1083 | else if (res->com.state != RES_XRCD_ALLOCATED) |
| 1084 | return -EPERM; |
| 1085 | |
| 1086 | return 0; |
| 1087 | } |
| 1088 | |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 1089 | static int remove_fs_rule_ok(struct res_fs_rule *res) |
| 1090 | { |
| 1091 | if (res->com.state == RES_FS_RULE_BUSY) |
| 1092 | return -EBUSY; |
| 1093 | else if (res->com.state != RES_FS_RULE_ALLOCATED) |
| 1094 | return -EPERM; |
| 1095 | |
| 1096 | return 0; |
| 1097 | } |
| 1098 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1099 | static int remove_cq_ok(struct res_cq *res) |
| 1100 | { |
| 1101 | if (res->com.state == RES_CQ_BUSY) |
| 1102 | return -EBUSY; |
| 1103 | else if (res->com.state != RES_CQ_ALLOCATED) |
| 1104 | return -EPERM; |
| 1105 | |
| 1106 | return 0; |
| 1107 | } |
| 1108 | |
| 1109 | static int remove_srq_ok(struct res_srq *res) |
| 1110 | { |
| 1111 | if (res->com.state == RES_SRQ_BUSY) |
| 1112 | return -EBUSY; |
| 1113 | else if (res->com.state != RES_SRQ_ALLOCATED) |
| 1114 | return -EPERM; |
| 1115 | |
| 1116 | return 0; |
| 1117 | } |
| 1118 | |
| 1119 | static int remove_ok(struct res_common *res, enum mlx4_resource type, int extra) |
| 1120 | { |
| 1121 | switch (type) { |
| 1122 | case RES_QP: |
| 1123 | return remove_qp_ok((struct res_qp *)res); |
| 1124 | case RES_CQ: |
| 1125 | return remove_cq_ok((struct res_cq *)res); |
| 1126 | case RES_SRQ: |
| 1127 | return remove_srq_ok((struct res_srq *)res); |
| 1128 | case RES_MPT: |
| 1129 | return remove_mpt_ok((struct res_mpt *)res); |
| 1130 | case RES_MTT: |
| 1131 | return remove_mtt_ok((struct res_mtt *)res, extra); |
| 1132 | case RES_MAC: |
| 1133 | return -ENOSYS; |
| 1134 | case RES_EQ: |
| 1135 | return remove_eq_ok((struct res_eq *)res); |
| 1136 | case RES_COUNTER: |
| 1137 | return remove_counter_ok((struct res_counter *)res); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 1138 | case RES_XRCD: |
| 1139 | return remove_xrcdn_ok((struct res_xrcdn *)res); |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 1140 | case RES_FS_RULE: |
| 1141 | return remove_fs_rule_ok((struct res_fs_rule *)res); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1142 | default: |
| 1143 | return -EINVAL; |
| 1144 | } |
| 1145 | } |
| 1146 | |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 1147 | static int rem_res_range(struct mlx4_dev *dev, int slave, u64 base, int count, |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1148 | enum mlx4_resource type, int extra) |
| 1149 | { |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 1150 | u64 i; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1151 | int err; |
| 1152 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1153 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1154 | struct res_common *r; |
| 1155 | |
| 1156 | spin_lock_irq(mlx4_tlock(dev)); |
| 1157 | for (i = base; i < base + count; ++i) { |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1158 | r = res_tracker_lookup(&tracker->res_tree[type], i); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1159 | if (!r) { |
| 1160 | err = -ENOENT; |
| 1161 | goto out; |
| 1162 | } |
| 1163 | if (r->owner != slave) { |
| 1164 | err = -EPERM; |
| 1165 | goto out; |
| 1166 | } |
| 1167 | err = remove_ok(r, type, extra); |
| 1168 | if (err) |
| 1169 | goto out; |
| 1170 | } |
| 1171 | |
| 1172 | for (i = base; i < base + count; ++i) { |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1173 | r = res_tracker_lookup(&tracker->res_tree[type], i); |
| 1174 | rb_erase(&r->node, &tracker->res_tree[type]); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1175 | list_del(&r->list); |
| 1176 | kfree(r); |
| 1177 | } |
| 1178 | err = 0; |
| 1179 | |
| 1180 | out: |
| 1181 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1182 | |
| 1183 | return err; |
| 1184 | } |
| 1185 | |
| 1186 | static int qp_res_start_move_to(struct mlx4_dev *dev, int slave, int qpn, |
| 1187 | enum res_qp_states state, struct res_qp **qp, |
| 1188 | int alloc) |
| 1189 | { |
| 1190 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1191 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1192 | struct res_qp *r; |
| 1193 | int err = 0; |
| 1194 | |
| 1195 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1196 | r = res_tracker_lookup(&tracker->res_tree[RES_QP], qpn); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1197 | if (!r) |
| 1198 | err = -ENOENT; |
| 1199 | else if (r->com.owner != slave) |
| 1200 | err = -EPERM; |
| 1201 | else { |
| 1202 | switch (state) { |
| 1203 | case RES_QP_BUSY: |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 1204 | mlx4_dbg(dev, "%s: failed RES_QP, 0x%llx\n", |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1205 | __func__, r->com.res_id); |
| 1206 | err = -EBUSY; |
| 1207 | break; |
| 1208 | |
| 1209 | case RES_QP_RESERVED: |
| 1210 | if (r->com.state == RES_QP_MAPPED && !alloc) |
| 1211 | break; |
| 1212 | |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 1213 | mlx4_dbg(dev, "failed RES_QP, 0x%llx\n", r->com.res_id); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1214 | err = -EINVAL; |
| 1215 | break; |
| 1216 | |
| 1217 | case RES_QP_MAPPED: |
| 1218 | if ((r->com.state == RES_QP_RESERVED && alloc) || |
| 1219 | r->com.state == RES_QP_HW) |
| 1220 | break; |
| 1221 | else { |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 1222 | mlx4_dbg(dev, "failed RES_QP, 0x%llx\n", |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1223 | r->com.res_id); |
| 1224 | err = -EINVAL; |
| 1225 | } |
| 1226 | |
| 1227 | break; |
| 1228 | |
| 1229 | case RES_QP_HW: |
| 1230 | if (r->com.state != RES_QP_MAPPED) |
| 1231 | err = -EINVAL; |
| 1232 | break; |
| 1233 | default: |
| 1234 | err = -EINVAL; |
| 1235 | } |
| 1236 | |
| 1237 | if (!err) { |
| 1238 | r->com.from_state = r->com.state; |
| 1239 | r->com.to_state = state; |
| 1240 | r->com.state = RES_QP_BUSY; |
| 1241 | if (qp) |
Joe Perches | 6469933 | 2012-06-04 12:44:16 +0000 | [diff] [blame] | 1242 | *qp = r; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1243 | } |
| 1244 | } |
| 1245 | |
| 1246 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1247 | |
| 1248 | return err; |
| 1249 | } |
| 1250 | |
| 1251 | static int mr_res_start_move_to(struct mlx4_dev *dev, int slave, int index, |
| 1252 | enum res_mpt_states state, struct res_mpt **mpt) |
| 1253 | { |
| 1254 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1255 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1256 | struct res_mpt *r; |
| 1257 | int err = 0; |
| 1258 | |
| 1259 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1260 | r = res_tracker_lookup(&tracker->res_tree[RES_MPT], index); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1261 | if (!r) |
| 1262 | err = -ENOENT; |
| 1263 | else if (r->com.owner != slave) |
| 1264 | err = -EPERM; |
| 1265 | else { |
| 1266 | switch (state) { |
| 1267 | case RES_MPT_BUSY: |
| 1268 | err = -EINVAL; |
| 1269 | break; |
| 1270 | |
| 1271 | case RES_MPT_RESERVED: |
| 1272 | if (r->com.state != RES_MPT_MAPPED) |
| 1273 | err = -EINVAL; |
| 1274 | break; |
| 1275 | |
| 1276 | case RES_MPT_MAPPED: |
| 1277 | if (r->com.state != RES_MPT_RESERVED && |
| 1278 | r->com.state != RES_MPT_HW) |
| 1279 | err = -EINVAL; |
| 1280 | break; |
| 1281 | |
| 1282 | case RES_MPT_HW: |
| 1283 | if (r->com.state != RES_MPT_MAPPED) |
| 1284 | err = -EINVAL; |
| 1285 | break; |
| 1286 | default: |
| 1287 | err = -EINVAL; |
| 1288 | } |
| 1289 | |
| 1290 | if (!err) { |
| 1291 | r->com.from_state = r->com.state; |
| 1292 | r->com.to_state = state; |
| 1293 | r->com.state = RES_MPT_BUSY; |
| 1294 | if (mpt) |
Joe Perches | 6469933 | 2012-06-04 12:44:16 +0000 | [diff] [blame] | 1295 | *mpt = r; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1296 | } |
| 1297 | } |
| 1298 | |
| 1299 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1300 | |
| 1301 | return err; |
| 1302 | } |
| 1303 | |
| 1304 | static int eq_res_start_move_to(struct mlx4_dev *dev, int slave, int index, |
| 1305 | enum res_eq_states state, struct res_eq **eq) |
| 1306 | { |
| 1307 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1308 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1309 | struct res_eq *r; |
| 1310 | int err = 0; |
| 1311 | |
| 1312 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1313 | r = res_tracker_lookup(&tracker->res_tree[RES_EQ], index); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1314 | if (!r) |
| 1315 | err = -ENOENT; |
| 1316 | else if (r->com.owner != slave) |
| 1317 | err = -EPERM; |
| 1318 | else { |
| 1319 | switch (state) { |
| 1320 | case RES_EQ_BUSY: |
| 1321 | err = -EINVAL; |
| 1322 | break; |
| 1323 | |
| 1324 | case RES_EQ_RESERVED: |
| 1325 | if (r->com.state != RES_EQ_HW) |
| 1326 | err = -EINVAL; |
| 1327 | break; |
| 1328 | |
| 1329 | case RES_EQ_HW: |
| 1330 | if (r->com.state != RES_EQ_RESERVED) |
| 1331 | err = -EINVAL; |
| 1332 | break; |
| 1333 | |
| 1334 | default: |
| 1335 | err = -EINVAL; |
| 1336 | } |
| 1337 | |
| 1338 | if (!err) { |
| 1339 | r->com.from_state = r->com.state; |
| 1340 | r->com.to_state = state; |
| 1341 | r->com.state = RES_EQ_BUSY; |
| 1342 | if (eq) |
| 1343 | *eq = r; |
| 1344 | } |
| 1345 | } |
| 1346 | |
| 1347 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1348 | |
| 1349 | return err; |
| 1350 | } |
| 1351 | |
| 1352 | static int cq_res_start_move_to(struct mlx4_dev *dev, int slave, int cqn, |
| 1353 | enum res_cq_states state, struct res_cq **cq) |
| 1354 | { |
| 1355 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1356 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1357 | struct res_cq *r; |
| 1358 | int err; |
| 1359 | |
| 1360 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1361 | r = res_tracker_lookup(&tracker->res_tree[RES_CQ], cqn); |
Paul Bolle | c9218a9 | 2014-01-14 20:45:36 +0100 | [diff] [blame] | 1362 | if (!r) { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1363 | err = -ENOENT; |
Paul Bolle | c9218a9 | 2014-01-14 20:45:36 +0100 | [diff] [blame] | 1364 | } else if (r->com.owner != slave) { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1365 | err = -EPERM; |
Paul Bolle | c9218a9 | 2014-01-14 20:45:36 +0100 | [diff] [blame] | 1366 | } else if (state == RES_CQ_ALLOCATED) { |
| 1367 | if (r->com.state != RES_CQ_HW) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1368 | err = -EINVAL; |
Paul Bolle | c9218a9 | 2014-01-14 20:45:36 +0100 | [diff] [blame] | 1369 | else if (atomic_read(&r->ref_count)) |
| 1370 | err = -EBUSY; |
| 1371 | else |
| 1372 | err = 0; |
| 1373 | } else if (state != RES_CQ_HW || r->com.state != RES_CQ_ALLOCATED) { |
| 1374 | err = -EINVAL; |
| 1375 | } else { |
| 1376 | err = 0; |
| 1377 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1378 | |
Paul Bolle | c9218a9 | 2014-01-14 20:45:36 +0100 | [diff] [blame] | 1379 | if (!err) { |
| 1380 | r->com.from_state = r->com.state; |
| 1381 | r->com.to_state = state; |
| 1382 | r->com.state = RES_CQ_BUSY; |
| 1383 | if (cq) |
| 1384 | *cq = r; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1385 | } |
| 1386 | |
| 1387 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1388 | |
| 1389 | return err; |
| 1390 | } |
| 1391 | |
| 1392 | static int srq_res_start_move_to(struct mlx4_dev *dev, int slave, int index, |
Paul Bolle | f088cbb | 2014-01-14 20:46:52 +0100 | [diff] [blame] | 1393 | enum res_srq_states state, struct res_srq **srq) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1394 | { |
| 1395 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1396 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1397 | struct res_srq *r; |
| 1398 | int err = 0; |
| 1399 | |
| 1400 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1401 | r = res_tracker_lookup(&tracker->res_tree[RES_SRQ], index); |
Paul Bolle | f088cbb | 2014-01-14 20:46:52 +0100 | [diff] [blame] | 1402 | if (!r) { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1403 | err = -ENOENT; |
Paul Bolle | f088cbb | 2014-01-14 20:46:52 +0100 | [diff] [blame] | 1404 | } else if (r->com.owner != slave) { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1405 | err = -EPERM; |
Paul Bolle | f088cbb | 2014-01-14 20:46:52 +0100 | [diff] [blame] | 1406 | } else if (state == RES_SRQ_ALLOCATED) { |
| 1407 | if (r->com.state != RES_SRQ_HW) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1408 | err = -EINVAL; |
Paul Bolle | f088cbb | 2014-01-14 20:46:52 +0100 | [diff] [blame] | 1409 | else if (atomic_read(&r->ref_count)) |
| 1410 | err = -EBUSY; |
| 1411 | } else if (state != RES_SRQ_HW || r->com.state != RES_SRQ_ALLOCATED) { |
| 1412 | err = -EINVAL; |
| 1413 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1414 | |
Paul Bolle | f088cbb | 2014-01-14 20:46:52 +0100 | [diff] [blame] | 1415 | if (!err) { |
| 1416 | r->com.from_state = r->com.state; |
| 1417 | r->com.to_state = state; |
| 1418 | r->com.state = RES_SRQ_BUSY; |
| 1419 | if (srq) |
| 1420 | *srq = r; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1421 | } |
| 1422 | |
| 1423 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1424 | |
| 1425 | return err; |
| 1426 | } |
| 1427 | |
| 1428 | static void res_abort_move(struct mlx4_dev *dev, int slave, |
| 1429 | enum mlx4_resource type, int id) |
| 1430 | { |
| 1431 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1432 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1433 | struct res_common *r; |
| 1434 | |
| 1435 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1436 | r = res_tracker_lookup(&tracker->res_tree[type], id); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1437 | if (r && (r->owner == slave)) |
| 1438 | r->state = r->from_state; |
| 1439 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1440 | } |
| 1441 | |
| 1442 | static void res_end_move(struct mlx4_dev *dev, int slave, |
| 1443 | enum mlx4_resource type, int id) |
| 1444 | { |
| 1445 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1446 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1447 | struct res_common *r; |
| 1448 | |
| 1449 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1450 | r = res_tracker_lookup(&tracker->res_tree[type], id); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1451 | if (r && (r->owner == slave)) |
| 1452 | r->state = r->to_state; |
| 1453 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1454 | } |
| 1455 | |
| 1456 | static int valid_reserved(struct mlx4_dev *dev, int slave, int qpn) |
| 1457 | { |
Jack Morgenstein | e2c7682 | 2012-08-03 08:40:41 +0000 | [diff] [blame] | 1458 | return mlx4_is_qp_reserved(dev, qpn) && |
| 1459 | (mlx4_is_master(dev) || mlx4_is_guest_proxy(dev, slave, qpn)); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1460 | } |
| 1461 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 1462 | static int fw_reserved(struct mlx4_dev *dev, int qpn) |
| 1463 | { |
| 1464 | return qpn < dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1465 | } |
| 1466 | |
| 1467 | static int qp_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 1468 | u64 in_param, u64 *out_param) |
| 1469 | { |
| 1470 | int err; |
| 1471 | int count; |
| 1472 | int align; |
| 1473 | int base; |
| 1474 | int qpn; |
| 1475 | |
| 1476 | switch (op) { |
| 1477 | case RES_OP_RESERVE: |
| 1478 | count = get_param_l(&in_param); |
| 1479 | align = get_param_h(&in_param); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1480 | err = mlx4_grant_resource(dev, slave, RES_QP, count, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1481 | if (err) |
| 1482 | return err; |
| 1483 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1484 | err = __mlx4_qp_reserve_range(dev, count, align, &base); |
| 1485 | if (err) { |
| 1486 | mlx4_release_resource(dev, slave, RES_QP, count, 0); |
| 1487 | return err; |
| 1488 | } |
| 1489 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1490 | err = add_res_range(dev, slave, base, count, RES_QP, 0); |
| 1491 | if (err) { |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1492 | mlx4_release_resource(dev, slave, RES_QP, count, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1493 | __mlx4_qp_release_range(dev, base, count); |
| 1494 | return err; |
| 1495 | } |
| 1496 | set_param_l(out_param, base); |
| 1497 | break; |
| 1498 | case RES_OP_MAP_ICM: |
| 1499 | qpn = get_param_l(&in_param) & 0x7fffff; |
| 1500 | if (valid_reserved(dev, slave, qpn)) { |
| 1501 | err = add_res_range(dev, slave, qpn, 1, RES_QP, 0); |
| 1502 | if (err) |
| 1503 | return err; |
| 1504 | } |
| 1505 | |
| 1506 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, |
| 1507 | NULL, 1); |
| 1508 | if (err) |
| 1509 | return err; |
| 1510 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 1511 | if (!fw_reserved(dev, qpn)) { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1512 | err = __mlx4_qp_alloc_icm(dev, qpn); |
| 1513 | if (err) { |
| 1514 | res_abort_move(dev, slave, RES_QP, qpn); |
| 1515 | return err; |
| 1516 | } |
| 1517 | } |
| 1518 | |
| 1519 | res_end_move(dev, slave, RES_QP, qpn); |
| 1520 | break; |
| 1521 | |
| 1522 | default: |
| 1523 | err = -EINVAL; |
| 1524 | break; |
| 1525 | } |
| 1526 | return err; |
| 1527 | } |
| 1528 | |
| 1529 | static int mtt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 1530 | u64 in_param, u64 *out_param) |
| 1531 | { |
| 1532 | int err = -EINVAL; |
| 1533 | int base; |
| 1534 | int order; |
| 1535 | |
| 1536 | if (op != RES_OP_RESERVE_AND_MAP) |
| 1537 | return err; |
| 1538 | |
| 1539 | order = get_param_l(&in_param); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1540 | |
| 1541 | err = mlx4_grant_resource(dev, slave, RES_MTT, 1 << order, 0); |
| 1542 | if (err) |
| 1543 | return err; |
| 1544 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1545 | base = __mlx4_alloc_mtt_range(dev, order); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1546 | if (base == -1) { |
| 1547 | mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1548 | return -ENOMEM; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1549 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1550 | |
| 1551 | err = add_res_range(dev, slave, base, 1, RES_MTT, order); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1552 | if (err) { |
| 1553 | mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1554 | __mlx4_free_mtt_range(dev, base, order); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1555 | } else { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1556 | set_param_l(out_param, base); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1557 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1558 | |
| 1559 | return err; |
| 1560 | } |
| 1561 | |
| 1562 | static int mpt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 1563 | u64 in_param, u64 *out_param) |
| 1564 | { |
| 1565 | int err = -EINVAL; |
| 1566 | int index; |
| 1567 | int id; |
| 1568 | struct res_mpt *mpt; |
| 1569 | |
| 1570 | switch (op) { |
| 1571 | case RES_OP_RESERVE: |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1572 | err = mlx4_grant_resource(dev, slave, RES_MPT, 1, 0); |
| 1573 | if (err) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1574 | break; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1575 | |
| 1576 | index = __mlx4_mpt_reserve(dev); |
| 1577 | if (index == -1) { |
| 1578 | mlx4_release_resource(dev, slave, RES_MPT, 1, 0); |
| 1579 | break; |
| 1580 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1581 | id = index & mpt_mask(dev); |
| 1582 | |
| 1583 | err = add_res_range(dev, slave, id, 1, RES_MPT, index); |
| 1584 | if (err) { |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1585 | mlx4_release_resource(dev, slave, RES_MPT, 1, 0); |
Shani Michaeli | b20e519 | 2013-02-06 16:19:08 +0000 | [diff] [blame] | 1586 | __mlx4_mpt_release(dev, index); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1587 | break; |
| 1588 | } |
| 1589 | set_param_l(out_param, index); |
| 1590 | break; |
| 1591 | case RES_OP_MAP_ICM: |
| 1592 | index = get_param_l(&in_param); |
| 1593 | id = index & mpt_mask(dev); |
| 1594 | err = mr_res_start_move_to(dev, slave, id, |
| 1595 | RES_MPT_MAPPED, &mpt); |
| 1596 | if (err) |
| 1597 | return err; |
| 1598 | |
Shani Michaeli | b20e519 | 2013-02-06 16:19:08 +0000 | [diff] [blame] | 1599 | err = __mlx4_mpt_alloc_icm(dev, mpt->key); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1600 | if (err) { |
| 1601 | res_abort_move(dev, slave, RES_MPT, id); |
| 1602 | return err; |
| 1603 | } |
| 1604 | |
| 1605 | res_end_move(dev, slave, RES_MPT, id); |
| 1606 | break; |
| 1607 | } |
| 1608 | return err; |
| 1609 | } |
| 1610 | |
| 1611 | static int cq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 1612 | u64 in_param, u64 *out_param) |
| 1613 | { |
| 1614 | int cqn; |
| 1615 | int err; |
| 1616 | |
| 1617 | switch (op) { |
| 1618 | case RES_OP_RESERVE_AND_MAP: |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1619 | err = mlx4_grant_resource(dev, slave, RES_CQ, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1620 | if (err) |
| 1621 | break; |
| 1622 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1623 | err = __mlx4_cq_alloc_icm(dev, &cqn); |
| 1624 | if (err) { |
| 1625 | mlx4_release_resource(dev, slave, RES_CQ, 1, 0); |
| 1626 | break; |
| 1627 | } |
| 1628 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1629 | err = add_res_range(dev, slave, cqn, 1, RES_CQ, 0); |
| 1630 | if (err) { |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1631 | mlx4_release_resource(dev, slave, RES_CQ, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1632 | __mlx4_cq_free_icm(dev, cqn); |
| 1633 | break; |
| 1634 | } |
| 1635 | |
| 1636 | set_param_l(out_param, cqn); |
| 1637 | break; |
| 1638 | |
| 1639 | default: |
| 1640 | err = -EINVAL; |
| 1641 | } |
| 1642 | |
| 1643 | return err; |
| 1644 | } |
| 1645 | |
| 1646 | static int srq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 1647 | u64 in_param, u64 *out_param) |
| 1648 | { |
| 1649 | int srqn; |
| 1650 | int err; |
| 1651 | |
| 1652 | switch (op) { |
| 1653 | case RES_OP_RESERVE_AND_MAP: |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1654 | err = mlx4_grant_resource(dev, slave, RES_SRQ, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1655 | if (err) |
| 1656 | break; |
| 1657 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1658 | err = __mlx4_srq_alloc_icm(dev, &srqn); |
| 1659 | if (err) { |
| 1660 | mlx4_release_resource(dev, slave, RES_SRQ, 1, 0); |
| 1661 | break; |
| 1662 | } |
| 1663 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1664 | err = add_res_range(dev, slave, srqn, 1, RES_SRQ, 0); |
| 1665 | if (err) { |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1666 | mlx4_release_resource(dev, slave, RES_SRQ, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1667 | __mlx4_srq_free_icm(dev, srqn); |
| 1668 | break; |
| 1669 | } |
| 1670 | |
| 1671 | set_param_l(out_param, srqn); |
| 1672 | break; |
| 1673 | |
| 1674 | default: |
| 1675 | err = -EINVAL; |
| 1676 | } |
| 1677 | |
| 1678 | return err; |
| 1679 | } |
| 1680 | |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 1681 | static int mac_find_smac_ix_in_slave(struct mlx4_dev *dev, int slave, int port, |
| 1682 | u8 smac_index, u64 *mac) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1683 | { |
| 1684 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1685 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 1686 | struct list_head *mac_list = |
| 1687 | &tracker->slave_list[slave].res_list[RES_MAC]; |
| 1688 | struct mac_res *res, *tmp; |
| 1689 | |
| 1690 | list_for_each_entry_safe(res, tmp, mac_list, list) { |
| 1691 | if (res->smac_index == smac_index && res->port == (u8) port) { |
| 1692 | *mac = res->mac; |
| 1693 | return 0; |
| 1694 | } |
| 1695 | } |
| 1696 | return -ENOENT; |
| 1697 | } |
| 1698 | |
| 1699 | static int mac_add_to_slave(struct mlx4_dev *dev, int slave, u64 mac, int port, u8 smac_index) |
| 1700 | { |
| 1701 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1702 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1703 | struct list_head *mac_list = |
| 1704 | &tracker->slave_list[slave].res_list[RES_MAC]; |
| 1705 | struct mac_res *res, *tmp; |
| 1706 | |
| 1707 | list_for_each_entry_safe(res, tmp, mac_list, list) { |
| 1708 | if (res->mac == mac && res->port == (u8) port) { |
| 1709 | /* mac found. update ref count */ |
| 1710 | ++res->ref_count; |
| 1711 | return 0; |
| 1712 | } |
| 1713 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1714 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1715 | if (mlx4_grant_resource(dev, slave, RES_MAC, 1, port)) |
| 1716 | return -EINVAL; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1717 | res = kzalloc(sizeof *res, GFP_KERNEL); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1718 | if (!res) { |
| 1719 | mlx4_release_resource(dev, slave, RES_MAC, 1, port); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1720 | return -ENOMEM; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1721 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1722 | res->mac = mac; |
| 1723 | res->port = (u8) port; |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 1724 | res->smac_index = smac_index; |
| 1725 | res->ref_count = 1; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1726 | list_add_tail(&res->list, |
| 1727 | &tracker->slave_list[slave].res_list[RES_MAC]); |
| 1728 | return 0; |
| 1729 | } |
| 1730 | |
| 1731 | static void mac_del_from_slave(struct mlx4_dev *dev, int slave, u64 mac, |
| 1732 | int port) |
| 1733 | { |
| 1734 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1735 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1736 | struct list_head *mac_list = |
| 1737 | &tracker->slave_list[slave].res_list[RES_MAC]; |
| 1738 | struct mac_res *res, *tmp; |
| 1739 | |
| 1740 | list_for_each_entry_safe(res, tmp, mac_list, list) { |
| 1741 | if (res->mac == mac && res->port == (u8) port) { |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 1742 | if (!--res->ref_count) { |
| 1743 | list_del(&res->list); |
| 1744 | mlx4_release_resource(dev, slave, RES_MAC, 1, port); |
| 1745 | kfree(res); |
| 1746 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1747 | break; |
| 1748 | } |
| 1749 | } |
| 1750 | } |
| 1751 | |
| 1752 | static void rem_slave_macs(struct mlx4_dev *dev, int slave) |
| 1753 | { |
| 1754 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1755 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1756 | struct list_head *mac_list = |
| 1757 | &tracker->slave_list[slave].res_list[RES_MAC]; |
| 1758 | struct mac_res *res, *tmp; |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 1759 | int i; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1760 | |
| 1761 | list_for_each_entry_safe(res, tmp, mac_list, list) { |
| 1762 | list_del(&res->list); |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 1763 | /* dereference the mac the num times the slave referenced it */ |
| 1764 | for (i = 0; i < res->ref_count; i++) |
| 1765 | __mlx4_unregister_mac(dev, res->port, res->mac); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1766 | mlx4_release_resource(dev, slave, RES_MAC, 1, res->port); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1767 | kfree(res); |
| 1768 | } |
| 1769 | } |
| 1770 | |
| 1771 | static int mac_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 1772 | u64 in_param, u64 *out_param, int in_port) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1773 | { |
| 1774 | int err = -EINVAL; |
| 1775 | int port; |
| 1776 | u64 mac; |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 1777 | u8 smac_index; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1778 | |
| 1779 | if (op != RES_OP_RESERVE_AND_MAP) |
| 1780 | return err; |
| 1781 | |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 1782 | port = !in_port ? get_param_l(out_param) : in_port; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1783 | mac = in_param; |
| 1784 | |
| 1785 | err = __mlx4_register_mac(dev, port, mac); |
| 1786 | if (err >= 0) { |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 1787 | smac_index = err; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1788 | set_param_l(out_param, err); |
| 1789 | err = 0; |
| 1790 | } |
| 1791 | |
| 1792 | if (!err) { |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 1793 | err = mac_add_to_slave(dev, slave, mac, port, smac_index); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1794 | if (err) |
| 1795 | __mlx4_unregister_mac(dev, port, mac); |
| 1796 | } |
| 1797 | return err; |
| 1798 | } |
| 1799 | |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 1800 | static int vlan_add_to_slave(struct mlx4_dev *dev, int slave, u16 vlan, |
| 1801 | int port, int vlan_index) |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 1802 | { |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 1803 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1804 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1805 | struct list_head *vlan_list = |
| 1806 | &tracker->slave_list[slave].res_list[RES_VLAN]; |
| 1807 | struct vlan_res *res, *tmp; |
| 1808 | |
| 1809 | list_for_each_entry_safe(res, tmp, vlan_list, list) { |
| 1810 | if (res->vlan == vlan && res->port == (u8) port) { |
| 1811 | /* vlan found. update ref count */ |
| 1812 | ++res->ref_count; |
| 1813 | return 0; |
| 1814 | } |
| 1815 | } |
| 1816 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1817 | if (mlx4_grant_resource(dev, slave, RES_VLAN, 1, port)) |
| 1818 | return -EINVAL; |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 1819 | res = kzalloc(sizeof(*res), GFP_KERNEL); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1820 | if (!res) { |
| 1821 | mlx4_release_resource(dev, slave, RES_VLAN, 1, port); |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 1822 | return -ENOMEM; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1823 | } |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 1824 | res->vlan = vlan; |
| 1825 | res->port = (u8) port; |
| 1826 | res->vlan_index = vlan_index; |
| 1827 | res->ref_count = 1; |
| 1828 | list_add_tail(&res->list, |
| 1829 | &tracker->slave_list[slave].res_list[RES_VLAN]); |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 1830 | return 0; |
| 1831 | } |
| 1832 | |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 1833 | |
| 1834 | static void vlan_del_from_slave(struct mlx4_dev *dev, int slave, u16 vlan, |
| 1835 | int port) |
| 1836 | { |
| 1837 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1838 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1839 | struct list_head *vlan_list = |
| 1840 | &tracker->slave_list[slave].res_list[RES_VLAN]; |
| 1841 | struct vlan_res *res, *tmp; |
| 1842 | |
| 1843 | list_for_each_entry_safe(res, tmp, vlan_list, list) { |
| 1844 | if (res->vlan == vlan && res->port == (u8) port) { |
| 1845 | if (!--res->ref_count) { |
| 1846 | list_del(&res->list); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1847 | mlx4_release_resource(dev, slave, RES_VLAN, |
| 1848 | 1, port); |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 1849 | kfree(res); |
| 1850 | } |
| 1851 | break; |
| 1852 | } |
| 1853 | } |
| 1854 | } |
| 1855 | |
| 1856 | static void rem_slave_vlans(struct mlx4_dev *dev, int slave) |
| 1857 | { |
| 1858 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1859 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1860 | struct list_head *vlan_list = |
| 1861 | &tracker->slave_list[slave].res_list[RES_VLAN]; |
| 1862 | struct vlan_res *res, *tmp; |
| 1863 | int i; |
| 1864 | |
| 1865 | list_for_each_entry_safe(res, tmp, vlan_list, list) { |
| 1866 | list_del(&res->list); |
| 1867 | /* dereference the vlan the num times the slave referenced it */ |
| 1868 | for (i = 0; i < res->ref_count; i++) |
| 1869 | __mlx4_unregister_vlan(dev, res->port, res->vlan); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1870 | mlx4_release_resource(dev, slave, RES_VLAN, 1, res->port); |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 1871 | kfree(res); |
| 1872 | } |
| 1873 | } |
| 1874 | |
| 1875 | static int vlan_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
Jack Morgenstein | 2c957ff | 2013-11-03 10:03:21 +0200 | [diff] [blame] | 1876 | u64 in_param, u64 *out_param, int in_port) |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 1877 | { |
Jack Morgenstein | 2c957ff | 2013-11-03 10:03:21 +0200 | [diff] [blame] | 1878 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1879 | struct mlx4_slave_state *slave_state = priv->mfunc.master.slave_state; |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 1880 | int err; |
| 1881 | u16 vlan; |
| 1882 | int vlan_index; |
Jack Morgenstein | 2c957ff | 2013-11-03 10:03:21 +0200 | [diff] [blame] | 1883 | int port; |
| 1884 | |
| 1885 | port = !in_port ? get_param_l(out_param) : in_port; |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 1886 | |
| 1887 | if (!port || op != RES_OP_RESERVE_AND_MAP) |
| 1888 | return -EINVAL; |
| 1889 | |
Jack Morgenstein | 2c957ff | 2013-11-03 10:03:21 +0200 | [diff] [blame] | 1890 | /* upstream kernels had NOP for reg/unreg vlan. Continue this. */ |
| 1891 | if (!in_port && port > 0 && port <= dev->caps.num_ports) { |
| 1892 | slave_state[slave].old_vlan_api = true; |
| 1893 | return 0; |
| 1894 | } |
| 1895 | |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 1896 | vlan = (u16) in_param; |
| 1897 | |
| 1898 | err = __mlx4_register_vlan(dev, port, vlan, &vlan_index); |
| 1899 | if (!err) { |
| 1900 | set_param_l(out_param, (u32) vlan_index); |
| 1901 | err = vlan_add_to_slave(dev, slave, vlan, port, vlan_index); |
| 1902 | if (err) |
| 1903 | __mlx4_unregister_vlan(dev, port, vlan); |
| 1904 | } |
| 1905 | return err; |
| 1906 | } |
| 1907 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 1908 | static int counter_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 1909 | u64 in_param, u64 *out_param) |
| 1910 | { |
| 1911 | u32 index; |
| 1912 | int err; |
| 1913 | |
| 1914 | if (op != RES_OP_RESERVE) |
| 1915 | return -EINVAL; |
| 1916 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1917 | err = mlx4_grant_resource(dev, slave, RES_COUNTER, 1, 0); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 1918 | if (err) |
| 1919 | return err; |
| 1920 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1921 | err = __mlx4_counter_alloc(dev, &index); |
| 1922 | if (err) { |
| 1923 | mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); |
| 1924 | return err; |
| 1925 | } |
| 1926 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 1927 | err = add_res_range(dev, slave, index, 1, RES_COUNTER, 0); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1928 | if (err) { |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 1929 | __mlx4_counter_free(dev, index); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1930 | mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); |
| 1931 | } else { |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 1932 | set_param_l(out_param, index); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1933 | } |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 1934 | |
| 1935 | return err; |
| 1936 | } |
| 1937 | |
| 1938 | static int xrcdn_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 1939 | u64 in_param, u64 *out_param) |
| 1940 | { |
| 1941 | u32 xrcdn; |
| 1942 | int err; |
| 1943 | |
| 1944 | if (op != RES_OP_RESERVE) |
| 1945 | return -EINVAL; |
| 1946 | |
| 1947 | err = __mlx4_xrcd_alloc(dev, &xrcdn); |
| 1948 | if (err) |
| 1949 | return err; |
| 1950 | |
| 1951 | err = add_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0); |
| 1952 | if (err) |
| 1953 | __mlx4_xrcd_free(dev, xrcdn); |
| 1954 | else |
| 1955 | set_param_l(out_param, xrcdn); |
| 1956 | |
| 1957 | return err; |
| 1958 | } |
| 1959 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1960 | int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave, |
| 1961 | struct mlx4_vhcr *vhcr, |
| 1962 | struct mlx4_cmd_mailbox *inbox, |
| 1963 | struct mlx4_cmd_mailbox *outbox, |
| 1964 | struct mlx4_cmd_info *cmd) |
| 1965 | { |
| 1966 | int err; |
| 1967 | int alop = vhcr->op_modifier; |
| 1968 | |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 1969 | switch (vhcr->in_modifier & 0xFF) { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1970 | case RES_QP: |
| 1971 | err = qp_alloc_res(dev, slave, vhcr->op_modifier, alop, |
| 1972 | vhcr->in_param, &vhcr->out_param); |
| 1973 | break; |
| 1974 | |
| 1975 | case RES_MTT: |
| 1976 | err = mtt_alloc_res(dev, slave, vhcr->op_modifier, alop, |
| 1977 | vhcr->in_param, &vhcr->out_param); |
| 1978 | break; |
| 1979 | |
| 1980 | case RES_MPT: |
| 1981 | err = mpt_alloc_res(dev, slave, vhcr->op_modifier, alop, |
| 1982 | vhcr->in_param, &vhcr->out_param); |
| 1983 | break; |
| 1984 | |
| 1985 | case RES_CQ: |
| 1986 | err = cq_alloc_res(dev, slave, vhcr->op_modifier, alop, |
| 1987 | vhcr->in_param, &vhcr->out_param); |
| 1988 | break; |
| 1989 | |
| 1990 | case RES_SRQ: |
| 1991 | err = srq_alloc_res(dev, slave, vhcr->op_modifier, alop, |
| 1992 | vhcr->in_param, &vhcr->out_param); |
| 1993 | break; |
| 1994 | |
| 1995 | case RES_MAC: |
| 1996 | err = mac_alloc_res(dev, slave, vhcr->op_modifier, alop, |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 1997 | vhcr->in_param, &vhcr->out_param, |
| 1998 | (vhcr->in_modifier >> 8) & 0xFF); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1999 | break; |
| 2000 | |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 2001 | case RES_VLAN: |
| 2002 | err = vlan_alloc_res(dev, slave, vhcr->op_modifier, alop, |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 2003 | vhcr->in_param, &vhcr->out_param, |
| 2004 | (vhcr->in_modifier >> 8) & 0xFF); |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 2005 | break; |
| 2006 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2007 | case RES_COUNTER: |
| 2008 | err = counter_alloc_res(dev, slave, vhcr->op_modifier, alop, |
| 2009 | vhcr->in_param, &vhcr->out_param); |
| 2010 | break; |
| 2011 | |
| 2012 | case RES_XRCD: |
| 2013 | err = xrcdn_alloc_res(dev, slave, vhcr->op_modifier, alop, |
| 2014 | vhcr->in_param, &vhcr->out_param); |
| 2015 | break; |
| 2016 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2017 | default: |
| 2018 | err = -EINVAL; |
| 2019 | break; |
| 2020 | } |
| 2021 | |
| 2022 | return err; |
| 2023 | } |
| 2024 | |
| 2025 | static int qp_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 2026 | u64 in_param) |
| 2027 | { |
| 2028 | int err; |
| 2029 | int count; |
| 2030 | int base; |
| 2031 | int qpn; |
| 2032 | |
| 2033 | switch (op) { |
| 2034 | case RES_OP_RESERVE: |
| 2035 | base = get_param_l(&in_param) & 0x7fffff; |
| 2036 | count = get_param_h(&in_param); |
| 2037 | err = rem_res_range(dev, slave, base, count, RES_QP, 0); |
| 2038 | if (err) |
| 2039 | break; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2040 | mlx4_release_resource(dev, slave, RES_QP, count, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2041 | __mlx4_qp_release_range(dev, base, count); |
| 2042 | break; |
| 2043 | case RES_OP_MAP_ICM: |
| 2044 | qpn = get_param_l(&in_param) & 0x7fffff; |
| 2045 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_RESERVED, |
| 2046 | NULL, 0); |
| 2047 | if (err) |
| 2048 | return err; |
| 2049 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 2050 | if (!fw_reserved(dev, qpn)) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2051 | __mlx4_qp_free_icm(dev, qpn); |
| 2052 | |
| 2053 | res_end_move(dev, slave, RES_QP, qpn); |
| 2054 | |
| 2055 | if (valid_reserved(dev, slave, qpn)) |
| 2056 | err = rem_res_range(dev, slave, qpn, 1, RES_QP, 0); |
| 2057 | break; |
| 2058 | default: |
| 2059 | err = -EINVAL; |
| 2060 | break; |
| 2061 | } |
| 2062 | return err; |
| 2063 | } |
| 2064 | |
| 2065 | static int mtt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 2066 | u64 in_param, u64 *out_param) |
| 2067 | { |
| 2068 | int err = -EINVAL; |
| 2069 | int base; |
| 2070 | int order; |
| 2071 | |
| 2072 | if (op != RES_OP_RESERVE_AND_MAP) |
| 2073 | return err; |
| 2074 | |
| 2075 | base = get_param_l(&in_param); |
| 2076 | order = get_param_h(&in_param); |
| 2077 | err = rem_res_range(dev, slave, base, 1, RES_MTT, order); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2078 | if (!err) { |
| 2079 | mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2080 | __mlx4_free_mtt_range(dev, base, order); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2081 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2082 | return err; |
| 2083 | } |
| 2084 | |
| 2085 | static int mpt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 2086 | u64 in_param) |
| 2087 | { |
| 2088 | int err = -EINVAL; |
| 2089 | int index; |
| 2090 | int id; |
| 2091 | struct res_mpt *mpt; |
| 2092 | |
| 2093 | switch (op) { |
| 2094 | case RES_OP_RESERVE: |
| 2095 | index = get_param_l(&in_param); |
| 2096 | id = index & mpt_mask(dev); |
| 2097 | err = get_res(dev, slave, id, RES_MPT, &mpt); |
| 2098 | if (err) |
| 2099 | break; |
| 2100 | index = mpt->key; |
| 2101 | put_res(dev, slave, id, RES_MPT); |
| 2102 | |
| 2103 | err = rem_res_range(dev, slave, id, 1, RES_MPT, 0); |
| 2104 | if (err) |
| 2105 | break; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2106 | mlx4_release_resource(dev, slave, RES_MPT, 1, 0); |
Shani Michaeli | b20e519 | 2013-02-06 16:19:08 +0000 | [diff] [blame] | 2107 | __mlx4_mpt_release(dev, index); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2108 | break; |
| 2109 | case RES_OP_MAP_ICM: |
| 2110 | index = get_param_l(&in_param); |
| 2111 | id = index & mpt_mask(dev); |
| 2112 | err = mr_res_start_move_to(dev, slave, id, |
| 2113 | RES_MPT_RESERVED, &mpt); |
| 2114 | if (err) |
| 2115 | return err; |
| 2116 | |
Shani Michaeli | b20e519 | 2013-02-06 16:19:08 +0000 | [diff] [blame] | 2117 | __mlx4_mpt_free_icm(dev, mpt->key); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2118 | res_end_move(dev, slave, RES_MPT, id); |
| 2119 | return err; |
| 2120 | break; |
| 2121 | default: |
| 2122 | err = -EINVAL; |
| 2123 | break; |
| 2124 | } |
| 2125 | return err; |
| 2126 | } |
| 2127 | |
| 2128 | static int cq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 2129 | u64 in_param, u64 *out_param) |
| 2130 | { |
| 2131 | int cqn; |
| 2132 | int err; |
| 2133 | |
| 2134 | switch (op) { |
| 2135 | case RES_OP_RESERVE_AND_MAP: |
| 2136 | cqn = get_param_l(&in_param); |
| 2137 | err = rem_res_range(dev, slave, cqn, 1, RES_CQ, 0); |
| 2138 | if (err) |
| 2139 | break; |
| 2140 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2141 | mlx4_release_resource(dev, slave, RES_CQ, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2142 | __mlx4_cq_free_icm(dev, cqn); |
| 2143 | break; |
| 2144 | |
| 2145 | default: |
| 2146 | err = -EINVAL; |
| 2147 | break; |
| 2148 | } |
| 2149 | |
| 2150 | return err; |
| 2151 | } |
| 2152 | |
| 2153 | static int srq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 2154 | u64 in_param, u64 *out_param) |
| 2155 | { |
| 2156 | int srqn; |
| 2157 | int err; |
| 2158 | |
| 2159 | switch (op) { |
| 2160 | case RES_OP_RESERVE_AND_MAP: |
| 2161 | srqn = get_param_l(&in_param); |
| 2162 | err = rem_res_range(dev, slave, srqn, 1, RES_SRQ, 0); |
| 2163 | if (err) |
| 2164 | break; |
| 2165 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2166 | mlx4_release_resource(dev, slave, RES_SRQ, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2167 | __mlx4_srq_free_icm(dev, srqn); |
| 2168 | break; |
| 2169 | |
| 2170 | default: |
| 2171 | err = -EINVAL; |
| 2172 | break; |
| 2173 | } |
| 2174 | |
| 2175 | return err; |
| 2176 | } |
| 2177 | |
| 2178 | static int mac_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 2179 | u64 in_param, u64 *out_param, int in_port) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2180 | { |
| 2181 | int port; |
| 2182 | int err = 0; |
| 2183 | |
| 2184 | switch (op) { |
| 2185 | case RES_OP_RESERVE_AND_MAP: |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 2186 | port = !in_port ? get_param_l(out_param) : in_port; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2187 | mac_del_from_slave(dev, slave, in_param, port); |
| 2188 | __mlx4_unregister_mac(dev, port, in_param); |
| 2189 | break; |
| 2190 | default: |
| 2191 | err = -EINVAL; |
| 2192 | break; |
| 2193 | } |
| 2194 | |
| 2195 | return err; |
| 2196 | |
| 2197 | } |
| 2198 | |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 2199 | static int vlan_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 2200 | u64 in_param, u64 *out_param, int port) |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 2201 | { |
Jack Morgenstein | 2c957ff | 2013-11-03 10:03:21 +0200 | [diff] [blame] | 2202 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2203 | struct mlx4_slave_state *slave_state = priv->mfunc.master.slave_state; |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2204 | int err = 0; |
| 2205 | |
| 2206 | switch (op) { |
| 2207 | case RES_OP_RESERVE_AND_MAP: |
Jack Morgenstein | 2c957ff | 2013-11-03 10:03:21 +0200 | [diff] [blame] | 2208 | if (slave_state[slave].old_vlan_api) |
| 2209 | return 0; |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2210 | if (!port) |
| 2211 | return -EINVAL; |
| 2212 | vlan_del_from_slave(dev, slave, in_param, port); |
| 2213 | __mlx4_unregister_vlan(dev, port, in_param); |
| 2214 | break; |
| 2215 | default: |
| 2216 | err = -EINVAL; |
| 2217 | break; |
| 2218 | } |
| 2219 | |
| 2220 | return err; |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 2221 | } |
| 2222 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2223 | static int counter_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 2224 | u64 in_param, u64 *out_param) |
| 2225 | { |
| 2226 | int index; |
| 2227 | int err; |
| 2228 | |
| 2229 | if (op != RES_OP_RESERVE) |
| 2230 | return -EINVAL; |
| 2231 | |
| 2232 | index = get_param_l(&in_param); |
| 2233 | err = rem_res_range(dev, slave, index, 1, RES_COUNTER, 0); |
| 2234 | if (err) |
| 2235 | return err; |
| 2236 | |
| 2237 | __mlx4_counter_free(dev, index); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2238 | mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2239 | |
| 2240 | return err; |
| 2241 | } |
| 2242 | |
| 2243 | static int xrcdn_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 2244 | u64 in_param, u64 *out_param) |
| 2245 | { |
| 2246 | int xrcdn; |
| 2247 | int err; |
| 2248 | |
| 2249 | if (op != RES_OP_RESERVE) |
| 2250 | return -EINVAL; |
| 2251 | |
| 2252 | xrcdn = get_param_l(&in_param); |
| 2253 | err = rem_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0); |
| 2254 | if (err) |
| 2255 | return err; |
| 2256 | |
| 2257 | __mlx4_xrcd_free(dev, xrcdn); |
| 2258 | |
| 2259 | return err; |
| 2260 | } |
| 2261 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2262 | int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave, |
| 2263 | struct mlx4_vhcr *vhcr, |
| 2264 | struct mlx4_cmd_mailbox *inbox, |
| 2265 | struct mlx4_cmd_mailbox *outbox, |
| 2266 | struct mlx4_cmd_info *cmd) |
| 2267 | { |
| 2268 | int err = -EINVAL; |
| 2269 | int alop = vhcr->op_modifier; |
| 2270 | |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 2271 | switch (vhcr->in_modifier & 0xFF) { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2272 | case RES_QP: |
| 2273 | err = qp_free_res(dev, slave, vhcr->op_modifier, alop, |
| 2274 | vhcr->in_param); |
| 2275 | break; |
| 2276 | |
| 2277 | case RES_MTT: |
| 2278 | err = mtt_free_res(dev, slave, vhcr->op_modifier, alop, |
| 2279 | vhcr->in_param, &vhcr->out_param); |
| 2280 | break; |
| 2281 | |
| 2282 | case RES_MPT: |
| 2283 | err = mpt_free_res(dev, slave, vhcr->op_modifier, alop, |
| 2284 | vhcr->in_param); |
| 2285 | break; |
| 2286 | |
| 2287 | case RES_CQ: |
| 2288 | err = cq_free_res(dev, slave, vhcr->op_modifier, alop, |
| 2289 | vhcr->in_param, &vhcr->out_param); |
| 2290 | break; |
| 2291 | |
| 2292 | case RES_SRQ: |
| 2293 | err = srq_free_res(dev, slave, vhcr->op_modifier, alop, |
| 2294 | vhcr->in_param, &vhcr->out_param); |
| 2295 | break; |
| 2296 | |
| 2297 | case RES_MAC: |
| 2298 | err = mac_free_res(dev, slave, vhcr->op_modifier, alop, |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 2299 | vhcr->in_param, &vhcr->out_param, |
| 2300 | (vhcr->in_modifier >> 8) & 0xFF); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2301 | break; |
| 2302 | |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 2303 | case RES_VLAN: |
| 2304 | err = vlan_free_res(dev, slave, vhcr->op_modifier, alop, |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 2305 | vhcr->in_param, &vhcr->out_param, |
| 2306 | (vhcr->in_modifier >> 8) & 0xFF); |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 2307 | break; |
| 2308 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2309 | case RES_COUNTER: |
| 2310 | err = counter_free_res(dev, slave, vhcr->op_modifier, alop, |
| 2311 | vhcr->in_param, &vhcr->out_param); |
| 2312 | break; |
| 2313 | |
| 2314 | case RES_XRCD: |
| 2315 | err = xrcdn_free_res(dev, slave, vhcr->op_modifier, alop, |
| 2316 | vhcr->in_param, &vhcr->out_param); |
| 2317 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2318 | default: |
| 2319 | break; |
| 2320 | } |
| 2321 | return err; |
| 2322 | } |
| 2323 | |
| 2324 | /* ugly but other choices are uglier */ |
| 2325 | static int mr_phys_mpt(struct mlx4_mpt_entry *mpt) |
| 2326 | { |
| 2327 | return (be32_to_cpu(mpt->flags) >> 9) & 1; |
| 2328 | } |
| 2329 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2330 | static int mr_get_mtt_addr(struct mlx4_mpt_entry *mpt) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2331 | { |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2332 | return (int)be64_to_cpu(mpt->mtt_addr) & 0xfffffff8; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2333 | } |
| 2334 | |
| 2335 | static int mr_get_mtt_size(struct mlx4_mpt_entry *mpt) |
| 2336 | { |
| 2337 | return be32_to_cpu(mpt->mtt_sz); |
| 2338 | } |
| 2339 | |
Shani Michaeli | cc1ade9 | 2013-02-06 16:19:10 +0000 | [diff] [blame] | 2340 | static u32 mr_get_pd(struct mlx4_mpt_entry *mpt) |
| 2341 | { |
| 2342 | return be32_to_cpu(mpt->pd_flags) & 0x00ffffff; |
| 2343 | } |
| 2344 | |
| 2345 | static int mr_is_fmr(struct mlx4_mpt_entry *mpt) |
| 2346 | { |
| 2347 | return be32_to_cpu(mpt->pd_flags) & MLX4_MPT_PD_FLAG_FAST_REG; |
| 2348 | } |
| 2349 | |
| 2350 | static int mr_is_bind_enabled(struct mlx4_mpt_entry *mpt) |
| 2351 | { |
| 2352 | return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_BIND_ENABLE; |
| 2353 | } |
| 2354 | |
| 2355 | static int mr_is_region(struct mlx4_mpt_entry *mpt) |
| 2356 | { |
| 2357 | return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_REGION; |
| 2358 | } |
| 2359 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2360 | static int qp_get_mtt_addr(struct mlx4_qp_context *qpc) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2361 | { |
| 2362 | return be32_to_cpu(qpc->mtt_base_addr_l) & 0xfffffff8; |
| 2363 | } |
| 2364 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2365 | static int srq_get_mtt_addr(struct mlx4_srq_context *srqc) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2366 | { |
| 2367 | return be32_to_cpu(srqc->mtt_base_addr_l) & 0xfffffff8; |
| 2368 | } |
| 2369 | |
| 2370 | static int qp_get_mtt_size(struct mlx4_qp_context *qpc) |
| 2371 | { |
| 2372 | int page_shift = (qpc->log_page_size & 0x3f) + 12; |
| 2373 | int log_sq_size = (qpc->sq_size_stride >> 3) & 0xf; |
| 2374 | int log_sq_sride = qpc->sq_size_stride & 7; |
| 2375 | int log_rq_size = (qpc->rq_size_stride >> 3) & 0xf; |
| 2376 | int log_rq_stride = qpc->rq_size_stride & 7; |
| 2377 | int srq = (be32_to_cpu(qpc->srqn) >> 24) & 1; |
| 2378 | int rss = (be32_to_cpu(qpc->flags) >> 13) & 1; |
Yishai Hadas | 5c5f3f0 | 2013-08-01 18:49:52 +0300 | [diff] [blame] | 2379 | u32 ts = (be32_to_cpu(qpc->flags) >> 16) & 0xff; |
| 2380 | int xrc = (ts == MLX4_QP_ST_XRC) ? 1 : 0; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2381 | int sq_size; |
| 2382 | int rq_size; |
| 2383 | int total_pages; |
| 2384 | int total_mem; |
| 2385 | int page_offset = (be32_to_cpu(qpc->params2) >> 6) & 0x3f; |
| 2386 | |
| 2387 | sq_size = 1 << (log_sq_size + log_sq_sride + 4); |
| 2388 | rq_size = (srq|rss|xrc) ? 0 : (1 << (log_rq_size + log_rq_stride + 4)); |
| 2389 | total_mem = sq_size + rq_size; |
| 2390 | total_pages = |
| 2391 | roundup_pow_of_two((total_mem + (page_offset << 6)) >> |
| 2392 | page_shift); |
| 2393 | |
| 2394 | return total_pages; |
| 2395 | } |
| 2396 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2397 | static int check_mtt_range(struct mlx4_dev *dev, int slave, int start, |
| 2398 | int size, struct res_mtt *mtt) |
| 2399 | { |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2400 | int res_start = mtt->com.res_id; |
| 2401 | int res_size = (1 << mtt->order); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2402 | |
| 2403 | if (start < res_start || start + size > res_start + res_size) |
| 2404 | return -EPERM; |
| 2405 | return 0; |
| 2406 | } |
| 2407 | |
| 2408 | int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave, |
| 2409 | struct mlx4_vhcr *vhcr, |
| 2410 | struct mlx4_cmd_mailbox *inbox, |
| 2411 | struct mlx4_cmd_mailbox *outbox, |
| 2412 | struct mlx4_cmd_info *cmd) |
| 2413 | { |
| 2414 | int err; |
| 2415 | int index = vhcr->in_modifier; |
| 2416 | struct res_mtt *mtt; |
| 2417 | struct res_mpt *mpt; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2418 | int mtt_base = mr_get_mtt_addr(inbox->buf) / dev->caps.mtt_entry_sz; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2419 | int phys; |
| 2420 | int id; |
Shani Michaeli | cc1ade9 | 2013-02-06 16:19:10 +0000 | [diff] [blame] | 2421 | u32 pd; |
| 2422 | int pd_slave; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2423 | |
| 2424 | id = index & mpt_mask(dev); |
| 2425 | err = mr_res_start_move_to(dev, slave, id, RES_MPT_HW, &mpt); |
| 2426 | if (err) |
| 2427 | return err; |
| 2428 | |
Shani Michaeli | cc1ade9 | 2013-02-06 16:19:10 +0000 | [diff] [blame] | 2429 | /* Disable memory windows for VFs. */ |
| 2430 | if (!mr_is_region(inbox->buf)) { |
| 2431 | err = -EPERM; |
| 2432 | goto ex_abort; |
| 2433 | } |
| 2434 | |
| 2435 | /* Make sure that the PD bits related to the slave id are zeros. */ |
| 2436 | pd = mr_get_pd(inbox->buf); |
| 2437 | pd_slave = (pd >> 17) & 0x7f; |
| 2438 | if (pd_slave != 0 && pd_slave != slave) { |
| 2439 | err = -EPERM; |
| 2440 | goto ex_abort; |
| 2441 | } |
| 2442 | |
| 2443 | if (mr_is_fmr(inbox->buf)) { |
| 2444 | /* FMR and Bind Enable are forbidden in slave devices. */ |
| 2445 | if (mr_is_bind_enabled(inbox->buf)) { |
| 2446 | err = -EPERM; |
| 2447 | goto ex_abort; |
| 2448 | } |
| 2449 | /* FMR and Memory Windows are also forbidden. */ |
| 2450 | if (!mr_is_region(inbox->buf)) { |
| 2451 | err = -EPERM; |
| 2452 | goto ex_abort; |
| 2453 | } |
| 2454 | } |
| 2455 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2456 | phys = mr_phys_mpt(inbox->buf); |
| 2457 | if (!phys) { |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2458 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2459 | if (err) |
| 2460 | goto ex_abort; |
| 2461 | |
| 2462 | err = check_mtt_range(dev, slave, mtt_base, |
| 2463 | mr_get_mtt_size(inbox->buf), mtt); |
| 2464 | if (err) |
| 2465 | goto ex_put; |
| 2466 | |
| 2467 | mpt->mtt = mtt; |
| 2468 | } |
| 2469 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2470 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 2471 | if (err) |
| 2472 | goto ex_put; |
| 2473 | |
| 2474 | if (!phys) { |
| 2475 | atomic_inc(&mtt->ref_count); |
| 2476 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 2477 | } |
| 2478 | |
| 2479 | res_end_move(dev, slave, RES_MPT, id); |
| 2480 | return 0; |
| 2481 | |
| 2482 | ex_put: |
| 2483 | if (!phys) |
| 2484 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 2485 | ex_abort: |
| 2486 | res_abort_move(dev, slave, RES_MPT, id); |
| 2487 | |
| 2488 | return err; |
| 2489 | } |
| 2490 | |
| 2491 | int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave, |
| 2492 | struct mlx4_vhcr *vhcr, |
| 2493 | struct mlx4_cmd_mailbox *inbox, |
| 2494 | struct mlx4_cmd_mailbox *outbox, |
| 2495 | struct mlx4_cmd_info *cmd) |
| 2496 | { |
| 2497 | int err; |
| 2498 | int index = vhcr->in_modifier; |
| 2499 | struct res_mpt *mpt; |
| 2500 | int id; |
| 2501 | |
| 2502 | id = index & mpt_mask(dev); |
| 2503 | err = mr_res_start_move_to(dev, slave, id, RES_MPT_MAPPED, &mpt); |
| 2504 | if (err) |
| 2505 | return err; |
| 2506 | |
| 2507 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 2508 | if (err) |
| 2509 | goto ex_abort; |
| 2510 | |
| 2511 | if (mpt->mtt) |
| 2512 | atomic_dec(&mpt->mtt->ref_count); |
| 2513 | |
| 2514 | res_end_move(dev, slave, RES_MPT, id); |
| 2515 | return 0; |
| 2516 | |
| 2517 | ex_abort: |
| 2518 | res_abort_move(dev, slave, RES_MPT, id); |
| 2519 | |
| 2520 | return err; |
| 2521 | } |
| 2522 | |
| 2523 | int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave, |
| 2524 | struct mlx4_vhcr *vhcr, |
| 2525 | struct mlx4_cmd_mailbox *inbox, |
| 2526 | struct mlx4_cmd_mailbox *outbox, |
| 2527 | struct mlx4_cmd_info *cmd) |
| 2528 | { |
| 2529 | int err; |
| 2530 | int index = vhcr->in_modifier; |
| 2531 | struct res_mpt *mpt; |
| 2532 | int id; |
| 2533 | |
| 2534 | id = index & mpt_mask(dev); |
| 2535 | err = get_res(dev, slave, id, RES_MPT, &mpt); |
| 2536 | if (err) |
| 2537 | return err; |
| 2538 | |
| 2539 | if (mpt->com.from_state != RES_MPT_HW) { |
| 2540 | err = -EBUSY; |
| 2541 | goto out; |
| 2542 | } |
| 2543 | |
| 2544 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 2545 | |
| 2546 | out: |
| 2547 | put_res(dev, slave, id, RES_MPT); |
| 2548 | return err; |
| 2549 | } |
| 2550 | |
| 2551 | static int qp_get_rcqn(struct mlx4_qp_context *qpc) |
| 2552 | { |
| 2553 | return be32_to_cpu(qpc->cqn_recv) & 0xffffff; |
| 2554 | } |
| 2555 | |
| 2556 | static int qp_get_scqn(struct mlx4_qp_context *qpc) |
| 2557 | { |
| 2558 | return be32_to_cpu(qpc->cqn_send) & 0xffffff; |
| 2559 | } |
| 2560 | |
| 2561 | static u32 qp_get_srqn(struct mlx4_qp_context *qpc) |
| 2562 | { |
| 2563 | return be32_to_cpu(qpc->srqn) & 0x1ffffff; |
| 2564 | } |
| 2565 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 2566 | static void adjust_proxy_tun_qkey(struct mlx4_dev *dev, struct mlx4_vhcr *vhcr, |
| 2567 | struct mlx4_qp_context *context) |
| 2568 | { |
| 2569 | u32 qpn = vhcr->in_modifier & 0xffffff; |
| 2570 | u32 qkey = 0; |
| 2571 | |
| 2572 | if (mlx4_get_parav_qkey(dev, qpn, &qkey)) |
| 2573 | return; |
| 2574 | |
| 2575 | /* adjust qkey in qp context */ |
| 2576 | context->qkey = cpu_to_be32(qkey); |
| 2577 | } |
| 2578 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2579 | int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 2580 | struct mlx4_vhcr *vhcr, |
| 2581 | struct mlx4_cmd_mailbox *inbox, |
| 2582 | struct mlx4_cmd_mailbox *outbox, |
| 2583 | struct mlx4_cmd_info *cmd) |
| 2584 | { |
| 2585 | int err; |
| 2586 | int qpn = vhcr->in_modifier & 0x7fffff; |
| 2587 | struct res_mtt *mtt; |
| 2588 | struct res_qp *qp; |
| 2589 | struct mlx4_qp_context *qpc = inbox->buf + 8; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2590 | int mtt_base = qp_get_mtt_addr(qpc) / dev->caps.mtt_entry_sz; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2591 | int mtt_size = qp_get_mtt_size(qpc); |
| 2592 | struct res_cq *rcq; |
| 2593 | struct res_cq *scq; |
| 2594 | int rcqn = qp_get_rcqn(qpc); |
| 2595 | int scqn = qp_get_scqn(qpc); |
| 2596 | u32 srqn = qp_get_srqn(qpc) & 0xffffff; |
| 2597 | int use_srq = (qp_get_srqn(qpc) >> 24) & 1; |
| 2598 | struct res_srq *srq; |
| 2599 | int local_qpn = be32_to_cpu(qpc->local_qpn) & 0xffffff; |
| 2600 | |
| 2601 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_HW, &qp, 0); |
| 2602 | if (err) |
| 2603 | return err; |
| 2604 | qp->local_qpn = local_qpn; |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 2605 | qp->sched_queue = 0; |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 2606 | qp->param3 = 0; |
| 2607 | qp->vlan_control = 0; |
| 2608 | qp->fvl_rx = 0; |
| 2609 | qp->pri_path_fl = 0; |
| 2610 | qp->vlan_index = 0; |
| 2611 | qp->feup = 0; |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 2612 | qp->qpc_flags = be32_to_cpu(qpc->flags); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2613 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2614 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2615 | if (err) |
| 2616 | goto ex_abort; |
| 2617 | |
| 2618 | err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt); |
| 2619 | if (err) |
| 2620 | goto ex_put_mtt; |
| 2621 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2622 | err = get_res(dev, slave, rcqn, RES_CQ, &rcq); |
| 2623 | if (err) |
| 2624 | goto ex_put_mtt; |
| 2625 | |
| 2626 | if (scqn != rcqn) { |
| 2627 | err = get_res(dev, slave, scqn, RES_CQ, &scq); |
| 2628 | if (err) |
| 2629 | goto ex_put_rcq; |
| 2630 | } else |
| 2631 | scq = rcq; |
| 2632 | |
| 2633 | if (use_srq) { |
| 2634 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); |
| 2635 | if (err) |
| 2636 | goto ex_put_scq; |
| 2637 | } |
| 2638 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 2639 | adjust_proxy_tun_qkey(dev, vhcr, qpc); |
| 2640 | update_pkey_index(dev, slave, inbox); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2641 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 2642 | if (err) |
| 2643 | goto ex_put_srq; |
| 2644 | atomic_inc(&mtt->ref_count); |
| 2645 | qp->mtt = mtt; |
| 2646 | atomic_inc(&rcq->ref_count); |
| 2647 | qp->rcq = rcq; |
| 2648 | atomic_inc(&scq->ref_count); |
| 2649 | qp->scq = scq; |
| 2650 | |
| 2651 | if (scqn != rcqn) |
| 2652 | put_res(dev, slave, scqn, RES_CQ); |
| 2653 | |
| 2654 | if (use_srq) { |
| 2655 | atomic_inc(&srq->ref_count); |
| 2656 | put_res(dev, slave, srqn, RES_SRQ); |
| 2657 | qp->srq = srq; |
| 2658 | } |
| 2659 | put_res(dev, slave, rcqn, RES_CQ); |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2660 | put_res(dev, slave, mtt_base, RES_MTT); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2661 | res_end_move(dev, slave, RES_QP, qpn); |
| 2662 | |
| 2663 | return 0; |
| 2664 | |
| 2665 | ex_put_srq: |
| 2666 | if (use_srq) |
| 2667 | put_res(dev, slave, srqn, RES_SRQ); |
| 2668 | ex_put_scq: |
| 2669 | if (scqn != rcqn) |
| 2670 | put_res(dev, slave, scqn, RES_CQ); |
| 2671 | ex_put_rcq: |
| 2672 | put_res(dev, slave, rcqn, RES_CQ); |
| 2673 | ex_put_mtt: |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2674 | put_res(dev, slave, mtt_base, RES_MTT); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2675 | ex_abort: |
| 2676 | res_abort_move(dev, slave, RES_QP, qpn); |
| 2677 | |
| 2678 | return err; |
| 2679 | } |
| 2680 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2681 | static int eq_get_mtt_addr(struct mlx4_eq_context *eqc) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2682 | { |
| 2683 | return be32_to_cpu(eqc->mtt_base_addr_l) & 0xfffffff8; |
| 2684 | } |
| 2685 | |
| 2686 | static int eq_get_mtt_size(struct mlx4_eq_context *eqc) |
| 2687 | { |
| 2688 | int log_eq_size = eqc->log_eq_size & 0x1f; |
| 2689 | int page_shift = (eqc->log_page_size & 0x3f) + 12; |
| 2690 | |
| 2691 | if (log_eq_size + 5 < page_shift) |
| 2692 | return 1; |
| 2693 | |
| 2694 | return 1 << (log_eq_size + 5 - page_shift); |
| 2695 | } |
| 2696 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2697 | static int cq_get_mtt_addr(struct mlx4_cq_context *cqc) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2698 | { |
| 2699 | return be32_to_cpu(cqc->mtt_base_addr_l) & 0xfffffff8; |
| 2700 | } |
| 2701 | |
| 2702 | static int cq_get_mtt_size(struct mlx4_cq_context *cqc) |
| 2703 | { |
| 2704 | int log_cq_size = (be32_to_cpu(cqc->logsize_usrpage) >> 24) & 0x1f; |
| 2705 | int page_shift = (cqc->log_page_size & 0x3f) + 12; |
| 2706 | |
| 2707 | if (log_cq_size + 5 < page_shift) |
| 2708 | return 1; |
| 2709 | |
| 2710 | return 1 << (log_cq_size + 5 - page_shift); |
| 2711 | } |
| 2712 | |
| 2713 | int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave, |
| 2714 | struct mlx4_vhcr *vhcr, |
| 2715 | struct mlx4_cmd_mailbox *inbox, |
| 2716 | struct mlx4_cmd_mailbox *outbox, |
| 2717 | struct mlx4_cmd_info *cmd) |
| 2718 | { |
| 2719 | int err; |
| 2720 | int eqn = vhcr->in_modifier; |
| 2721 | int res_id = (slave << 8) | eqn; |
| 2722 | struct mlx4_eq_context *eqc = inbox->buf; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2723 | int mtt_base = eq_get_mtt_addr(eqc) / dev->caps.mtt_entry_sz; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2724 | int mtt_size = eq_get_mtt_size(eqc); |
| 2725 | struct res_eq *eq; |
| 2726 | struct res_mtt *mtt; |
| 2727 | |
| 2728 | err = add_res_range(dev, slave, res_id, 1, RES_EQ, 0); |
| 2729 | if (err) |
| 2730 | return err; |
| 2731 | err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_HW, &eq); |
| 2732 | if (err) |
| 2733 | goto out_add; |
| 2734 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2735 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2736 | if (err) |
| 2737 | goto out_move; |
| 2738 | |
| 2739 | err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt); |
| 2740 | if (err) |
| 2741 | goto out_put; |
| 2742 | |
| 2743 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 2744 | if (err) |
| 2745 | goto out_put; |
| 2746 | |
| 2747 | atomic_inc(&mtt->ref_count); |
| 2748 | eq->mtt = mtt; |
| 2749 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 2750 | res_end_move(dev, slave, RES_EQ, res_id); |
| 2751 | return 0; |
| 2752 | |
| 2753 | out_put: |
| 2754 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 2755 | out_move: |
| 2756 | res_abort_move(dev, slave, RES_EQ, res_id); |
| 2757 | out_add: |
| 2758 | rem_res_range(dev, slave, res_id, 1, RES_EQ, 0); |
| 2759 | return err; |
| 2760 | } |
| 2761 | |
| 2762 | static int get_containing_mtt(struct mlx4_dev *dev, int slave, int start, |
| 2763 | int len, struct res_mtt **res) |
| 2764 | { |
| 2765 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2766 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 2767 | struct res_mtt *mtt; |
| 2768 | int err = -EINVAL; |
| 2769 | |
| 2770 | spin_lock_irq(mlx4_tlock(dev)); |
| 2771 | list_for_each_entry(mtt, &tracker->slave_list[slave].res_list[RES_MTT], |
| 2772 | com.list) { |
| 2773 | if (!check_mtt_range(dev, slave, start, len, mtt)) { |
| 2774 | *res = mtt; |
| 2775 | mtt->com.from_state = mtt->com.state; |
| 2776 | mtt->com.state = RES_MTT_BUSY; |
| 2777 | err = 0; |
| 2778 | break; |
| 2779 | } |
| 2780 | } |
| 2781 | spin_unlock_irq(mlx4_tlock(dev)); |
| 2782 | |
| 2783 | return err; |
| 2784 | } |
| 2785 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 2786 | static int verify_qp_parameters(struct mlx4_dev *dev, |
| 2787 | struct mlx4_cmd_mailbox *inbox, |
| 2788 | enum qp_transition transition, u8 slave) |
| 2789 | { |
| 2790 | u32 qp_type; |
| 2791 | struct mlx4_qp_context *qp_ctx; |
| 2792 | enum mlx4_qp_optpar optpar; |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 2793 | int port; |
| 2794 | int num_gids; |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 2795 | |
| 2796 | qp_ctx = inbox->buf + 8; |
| 2797 | qp_type = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff; |
| 2798 | optpar = be32_to_cpu(*(__be32 *) inbox->buf); |
| 2799 | |
| 2800 | switch (qp_type) { |
| 2801 | case MLX4_QP_ST_RC: |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 2802 | case MLX4_QP_ST_XRC: |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 2803 | case MLX4_QP_ST_UC: |
| 2804 | switch (transition) { |
| 2805 | case QP_TRANS_INIT2RTR: |
| 2806 | case QP_TRANS_RTR2RTS: |
| 2807 | case QP_TRANS_RTS2RTS: |
| 2808 | case QP_TRANS_SQD2SQD: |
| 2809 | case QP_TRANS_SQD2RTS: |
| 2810 | if (slave != mlx4_master_func_num(dev)) |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 2811 | if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH) { |
| 2812 | port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; |
| 2813 | if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) |
| 2814 | num_gids = mlx4_get_slave_num_gids(dev, slave); |
| 2815 | else |
| 2816 | num_gids = 1; |
| 2817 | if (qp_ctx->pri_path.mgid_index >= num_gids) |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 2818 | return -EINVAL; |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 2819 | } |
| 2820 | if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) { |
| 2821 | port = (qp_ctx->alt_path.sched_queue >> 6 & 1) + 1; |
| 2822 | if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) |
| 2823 | num_gids = mlx4_get_slave_num_gids(dev, slave); |
| 2824 | else |
| 2825 | num_gids = 1; |
| 2826 | if (qp_ctx->alt_path.mgid_index >= num_gids) |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 2827 | return -EINVAL; |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 2828 | } |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 2829 | break; |
| 2830 | default: |
| 2831 | break; |
| 2832 | } |
| 2833 | |
| 2834 | break; |
| 2835 | default: |
| 2836 | break; |
| 2837 | } |
| 2838 | |
| 2839 | return 0; |
| 2840 | } |
| 2841 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2842 | int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave, |
| 2843 | struct mlx4_vhcr *vhcr, |
| 2844 | struct mlx4_cmd_mailbox *inbox, |
| 2845 | struct mlx4_cmd_mailbox *outbox, |
| 2846 | struct mlx4_cmd_info *cmd) |
| 2847 | { |
| 2848 | struct mlx4_mtt mtt; |
| 2849 | __be64 *page_list = inbox->buf; |
| 2850 | u64 *pg_list = (u64 *)page_list; |
| 2851 | int i; |
| 2852 | struct res_mtt *rmtt = NULL; |
| 2853 | int start = be64_to_cpu(page_list[0]); |
| 2854 | int npages = vhcr->in_modifier; |
| 2855 | int err; |
| 2856 | |
| 2857 | err = get_containing_mtt(dev, slave, start, npages, &rmtt); |
| 2858 | if (err) |
| 2859 | return err; |
| 2860 | |
| 2861 | /* Call the SW implementation of write_mtt: |
| 2862 | * - Prepare a dummy mtt struct |
| 2863 | * - Translate inbox contents to simple addresses in host endianess */ |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2864 | mtt.offset = 0; /* TBD this is broken but I don't handle it since |
| 2865 | we don't really use it */ |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2866 | mtt.order = 0; |
| 2867 | mtt.page_shift = 0; |
| 2868 | for (i = 0; i < npages; ++i) |
| 2869 | pg_list[i + 2] = (be64_to_cpu(page_list[i + 2]) & ~1ULL); |
| 2870 | |
| 2871 | err = __mlx4_write_mtt(dev, &mtt, be64_to_cpu(page_list[0]), npages, |
| 2872 | ((u64 *)page_list + 2)); |
| 2873 | |
| 2874 | if (rmtt) |
| 2875 | put_res(dev, slave, rmtt->com.res_id, RES_MTT); |
| 2876 | |
| 2877 | return err; |
| 2878 | } |
| 2879 | |
| 2880 | int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave, |
| 2881 | struct mlx4_vhcr *vhcr, |
| 2882 | struct mlx4_cmd_mailbox *inbox, |
| 2883 | struct mlx4_cmd_mailbox *outbox, |
| 2884 | struct mlx4_cmd_info *cmd) |
| 2885 | { |
| 2886 | int eqn = vhcr->in_modifier; |
| 2887 | int res_id = eqn | (slave << 8); |
| 2888 | struct res_eq *eq; |
| 2889 | int err; |
| 2890 | |
| 2891 | err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_RESERVED, &eq); |
| 2892 | if (err) |
| 2893 | return err; |
| 2894 | |
| 2895 | err = get_res(dev, slave, eq->mtt->com.res_id, RES_MTT, NULL); |
| 2896 | if (err) |
| 2897 | goto ex_abort; |
| 2898 | |
| 2899 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 2900 | if (err) |
| 2901 | goto ex_put; |
| 2902 | |
| 2903 | atomic_dec(&eq->mtt->ref_count); |
| 2904 | put_res(dev, slave, eq->mtt->com.res_id, RES_MTT); |
| 2905 | res_end_move(dev, slave, RES_EQ, res_id); |
| 2906 | rem_res_range(dev, slave, res_id, 1, RES_EQ, 0); |
| 2907 | |
| 2908 | return 0; |
| 2909 | |
| 2910 | ex_put: |
| 2911 | put_res(dev, slave, eq->mtt->com.res_id, RES_MTT); |
| 2912 | ex_abort: |
| 2913 | res_abort_move(dev, slave, RES_EQ, res_id); |
| 2914 | |
| 2915 | return err; |
| 2916 | } |
| 2917 | |
| 2918 | int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe) |
| 2919 | { |
| 2920 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2921 | struct mlx4_slave_event_eq_info *event_eq; |
| 2922 | struct mlx4_cmd_mailbox *mailbox; |
| 2923 | u32 in_modifier = 0; |
| 2924 | int err; |
| 2925 | int res_id; |
| 2926 | struct res_eq *req; |
| 2927 | |
| 2928 | if (!priv->mfunc.master.slave_state) |
| 2929 | return -EINVAL; |
| 2930 | |
Marcel Apfelbaum | 803143f | 2012-01-19 09:45:46 +0000 | [diff] [blame] | 2931 | event_eq = &priv->mfunc.master.slave_state[slave].event_eq[eqe->type]; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2932 | |
| 2933 | /* Create the event only if the slave is registered */ |
Marcel Apfelbaum | 803143f | 2012-01-19 09:45:46 +0000 | [diff] [blame] | 2934 | if (event_eq->eqn < 0) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2935 | return 0; |
| 2936 | |
| 2937 | mutex_lock(&priv->mfunc.master.gen_eqe_mutex[slave]); |
| 2938 | res_id = (slave << 8) | event_eq->eqn; |
| 2939 | err = get_res(dev, slave, res_id, RES_EQ, &req); |
| 2940 | if (err) |
| 2941 | goto unlock; |
| 2942 | |
| 2943 | if (req->com.from_state != RES_EQ_HW) { |
| 2944 | err = -EINVAL; |
| 2945 | goto put; |
| 2946 | } |
| 2947 | |
| 2948 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
| 2949 | if (IS_ERR(mailbox)) { |
| 2950 | err = PTR_ERR(mailbox); |
| 2951 | goto put; |
| 2952 | } |
| 2953 | |
| 2954 | if (eqe->type == MLX4_EVENT_TYPE_CMD) { |
| 2955 | ++event_eq->token; |
| 2956 | eqe->event.cmd.token = cpu_to_be16(event_eq->token); |
| 2957 | } |
| 2958 | |
| 2959 | memcpy(mailbox->buf, (u8 *) eqe, 28); |
| 2960 | |
| 2961 | in_modifier = (slave & 0xff) | ((event_eq->eqn & 0xff) << 16); |
| 2962 | |
| 2963 | err = mlx4_cmd(dev, mailbox->dma, in_modifier, 0, |
| 2964 | MLX4_CMD_GEN_EQE, MLX4_CMD_TIME_CLASS_B, |
| 2965 | MLX4_CMD_NATIVE); |
| 2966 | |
| 2967 | put_res(dev, slave, res_id, RES_EQ); |
| 2968 | mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]); |
| 2969 | mlx4_free_cmd_mailbox(dev, mailbox); |
| 2970 | return err; |
| 2971 | |
| 2972 | put: |
| 2973 | put_res(dev, slave, res_id, RES_EQ); |
| 2974 | |
| 2975 | unlock: |
| 2976 | mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]); |
| 2977 | return err; |
| 2978 | } |
| 2979 | |
| 2980 | int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave, |
| 2981 | struct mlx4_vhcr *vhcr, |
| 2982 | struct mlx4_cmd_mailbox *inbox, |
| 2983 | struct mlx4_cmd_mailbox *outbox, |
| 2984 | struct mlx4_cmd_info *cmd) |
| 2985 | { |
| 2986 | int eqn = vhcr->in_modifier; |
| 2987 | int res_id = eqn | (slave << 8); |
| 2988 | struct res_eq *eq; |
| 2989 | int err; |
| 2990 | |
| 2991 | err = get_res(dev, slave, res_id, RES_EQ, &eq); |
| 2992 | if (err) |
| 2993 | return err; |
| 2994 | |
| 2995 | if (eq->com.from_state != RES_EQ_HW) { |
| 2996 | err = -EINVAL; |
| 2997 | goto ex_put; |
| 2998 | } |
| 2999 | |
| 3000 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3001 | |
| 3002 | ex_put: |
| 3003 | put_res(dev, slave, res_id, RES_EQ); |
| 3004 | return err; |
| 3005 | } |
| 3006 | |
| 3007 | int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3008 | struct mlx4_vhcr *vhcr, |
| 3009 | struct mlx4_cmd_mailbox *inbox, |
| 3010 | struct mlx4_cmd_mailbox *outbox, |
| 3011 | struct mlx4_cmd_info *cmd) |
| 3012 | { |
| 3013 | int err; |
| 3014 | int cqn = vhcr->in_modifier; |
| 3015 | struct mlx4_cq_context *cqc = inbox->buf; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 3016 | int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3017 | struct res_cq *cq; |
| 3018 | struct res_mtt *mtt; |
| 3019 | |
| 3020 | err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_HW, &cq); |
| 3021 | if (err) |
| 3022 | return err; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 3023 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3024 | if (err) |
| 3025 | goto out_move; |
| 3026 | err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt); |
| 3027 | if (err) |
| 3028 | goto out_put; |
| 3029 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3030 | if (err) |
| 3031 | goto out_put; |
| 3032 | atomic_inc(&mtt->ref_count); |
| 3033 | cq->mtt = mtt; |
| 3034 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 3035 | res_end_move(dev, slave, RES_CQ, cqn); |
| 3036 | return 0; |
| 3037 | |
| 3038 | out_put: |
| 3039 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 3040 | out_move: |
| 3041 | res_abort_move(dev, slave, RES_CQ, cqn); |
| 3042 | return err; |
| 3043 | } |
| 3044 | |
| 3045 | int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3046 | struct mlx4_vhcr *vhcr, |
| 3047 | struct mlx4_cmd_mailbox *inbox, |
| 3048 | struct mlx4_cmd_mailbox *outbox, |
| 3049 | struct mlx4_cmd_info *cmd) |
| 3050 | { |
| 3051 | int err; |
| 3052 | int cqn = vhcr->in_modifier; |
| 3053 | struct res_cq *cq; |
| 3054 | |
| 3055 | err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_ALLOCATED, &cq); |
| 3056 | if (err) |
| 3057 | return err; |
| 3058 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3059 | if (err) |
| 3060 | goto out_move; |
| 3061 | atomic_dec(&cq->mtt->ref_count); |
| 3062 | res_end_move(dev, slave, RES_CQ, cqn); |
| 3063 | return 0; |
| 3064 | |
| 3065 | out_move: |
| 3066 | res_abort_move(dev, slave, RES_CQ, cqn); |
| 3067 | return err; |
| 3068 | } |
| 3069 | |
| 3070 | int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3071 | struct mlx4_vhcr *vhcr, |
| 3072 | struct mlx4_cmd_mailbox *inbox, |
| 3073 | struct mlx4_cmd_mailbox *outbox, |
| 3074 | struct mlx4_cmd_info *cmd) |
| 3075 | { |
| 3076 | int cqn = vhcr->in_modifier; |
| 3077 | struct res_cq *cq; |
| 3078 | int err; |
| 3079 | |
| 3080 | err = get_res(dev, slave, cqn, RES_CQ, &cq); |
| 3081 | if (err) |
| 3082 | return err; |
| 3083 | |
| 3084 | if (cq->com.from_state != RES_CQ_HW) |
| 3085 | goto ex_put; |
| 3086 | |
| 3087 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3088 | ex_put: |
| 3089 | put_res(dev, slave, cqn, RES_CQ); |
| 3090 | |
| 3091 | return err; |
| 3092 | } |
| 3093 | |
| 3094 | static int handle_resize(struct mlx4_dev *dev, int slave, |
| 3095 | struct mlx4_vhcr *vhcr, |
| 3096 | struct mlx4_cmd_mailbox *inbox, |
| 3097 | struct mlx4_cmd_mailbox *outbox, |
| 3098 | struct mlx4_cmd_info *cmd, |
| 3099 | struct res_cq *cq) |
| 3100 | { |
| 3101 | int err; |
| 3102 | struct res_mtt *orig_mtt; |
| 3103 | struct res_mtt *mtt; |
| 3104 | struct mlx4_cq_context *cqc = inbox->buf; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 3105 | int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3106 | |
| 3107 | err = get_res(dev, slave, cq->mtt->com.res_id, RES_MTT, &orig_mtt); |
| 3108 | if (err) |
| 3109 | return err; |
| 3110 | |
| 3111 | if (orig_mtt != cq->mtt) { |
| 3112 | err = -EINVAL; |
| 3113 | goto ex_put; |
| 3114 | } |
| 3115 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 3116 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3117 | if (err) |
| 3118 | goto ex_put; |
| 3119 | |
| 3120 | err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt); |
| 3121 | if (err) |
| 3122 | goto ex_put1; |
| 3123 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3124 | if (err) |
| 3125 | goto ex_put1; |
| 3126 | atomic_dec(&orig_mtt->ref_count); |
| 3127 | put_res(dev, slave, orig_mtt->com.res_id, RES_MTT); |
| 3128 | atomic_inc(&mtt->ref_count); |
| 3129 | cq->mtt = mtt; |
| 3130 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 3131 | return 0; |
| 3132 | |
| 3133 | ex_put1: |
| 3134 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 3135 | ex_put: |
| 3136 | put_res(dev, slave, orig_mtt->com.res_id, RES_MTT); |
| 3137 | |
| 3138 | return err; |
| 3139 | |
| 3140 | } |
| 3141 | |
| 3142 | int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3143 | struct mlx4_vhcr *vhcr, |
| 3144 | struct mlx4_cmd_mailbox *inbox, |
| 3145 | struct mlx4_cmd_mailbox *outbox, |
| 3146 | struct mlx4_cmd_info *cmd) |
| 3147 | { |
| 3148 | int cqn = vhcr->in_modifier; |
| 3149 | struct res_cq *cq; |
| 3150 | int err; |
| 3151 | |
| 3152 | err = get_res(dev, slave, cqn, RES_CQ, &cq); |
| 3153 | if (err) |
| 3154 | return err; |
| 3155 | |
| 3156 | if (cq->com.from_state != RES_CQ_HW) |
| 3157 | goto ex_put; |
| 3158 | |
| 3159 | if (vhcr->op_modifier == 0) { |
| 3160 | err = handle_resize(dev, slave, vhcr, inbox, outbox, cmd, cq); |
Jack Morgenstein | dcf353b | 2012-03-07 05:56:35 +0000 | [diff] [blame] | 3161 | goto ex_put; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3162 | } |
| 3163 | |
| 3164 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3165 | ex_put: |
| 3166 | put_res(dev, slave, cqn, RES_CQ); |
| 3167 | |
| 3168 | return err; |
| 3169 | } |
| 3170 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3171 | static int srq_get_mtt_size(struct mlx4_srq_context *srqc) |
| 3172 | { |
| 3173 | int log_srq_size = (be32_to_cpu(srqc->state_logsize_srqn) >> 24) & 0xf; |
| 3174 | int log_rq_stride = srqc->logstride & 7; |
| 3175 | int page_shift = (srqc->log_page_size & 0x3f) + 12; |
| 3176 | |
| 3177 | if (log_srq_size + log_rq_stride + 4 < page_shift) |
| 3178 | return 1; |
| 3179 | |
| 3180 | return 1 << (log_srq_size + log_rq_stride + 4 - page_shift); |
| 3181 | } |
| 3182 | |
| 3183 | int mlx4_SW2HW_SRQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3184 | struct mlx4_vhcr *vhcr, |
| 3185 | struct mlx4_cmd_mailbox *inbox, |
| 3186 | struct mlx4_cmd_mailbox *outbox, |
| 3187 | struct mlx4_cmd_info *cmd) |
| 3188 | { |
| 3189 | int err; |
| 3190 | int srqn = vhcr->in_modifier; |
| 3191 | struct res_mtt *mtt; |
| 3192 | struct res_srq *srq; |
| 3193 | struct mlx4_srq_context *srqc = inbox->buf; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 3194 | int mtt_base = srq_get_mtt_addr(srqc) / dev->caps.mtt_entry_sz; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3195 | |
| 3196 | if (srqn != (be32_to_cpu(srqc->state_logsize_srqn) & 0xffffff)) |
| 3197 | return -EINVAL; |
| 3198 | |
| 3199 | err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_HW, &srq); |
| 3200 | if (err) |
| 3201 | return err; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 3202 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3203 | if (err) |
| 3204 | goto ex_abort; |
| 3205 | err = check_mtt_range(dev, slave, mtt_base, srq_get_mtt_size(srqc), |
| 3206 | mtt); |
| 3207 | if (err) |
| 3208 | goto ex_put_mtt; |
| 3209 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3210 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3211 | if (err) |
| 3212 | goto ex_put_mtt; |
| 3213 | |
| 3214 | atomic_inc(&mtt->ref_count); |
| 3215 | srq->mtt = mtt; |
| 3216 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 3217 | res_end_move(dev, slave, RES_SRQ, srqn); |
| 3218 | return 0; |
| 3219 | |
| 3220 | ex_put_mtt: |
| 3221 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 3222 | ex_abort: |
| 3223 | res_abort_move(dev, slave, RES_SRQ, srqn); |
| 3224 | |
| 3225 | return err; |
| 3226 | } |
| 3227 | |
| 3228 | int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3229 | struct mlx4_vhcr *vhcr, |
| 3230 | struct mlx4_cmd_mailbox *inbox, |
| 3231 | struct mlx4_cmd_mailbox *outbox, |
| 3232 | struct mlx4_cmd_info *cmd) |
| 3233 | { |
| 3234 | int err; |
| 3235 | int srqn = vhcr->in_modifier; |
| 3236 | struct res_srq *srq; |
| 3237 | |
| 3238 | err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_ALLOCATED, &srq); |
| 3239 | if (err) |
| 3240 | return err; |
| 3241 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3242 | if (err) |
| 3243 | goto ex_abort; |
| 3244 | atomic_dec(&srq->mtt->ref_count); |
| 3245 | if (srq->cq) |
| 3246 | atomic_dec(&srq->cq->ref_count); |
| 3247 | res_end_move(dev, slave, RES_SRQ, srqn); |
| 3248 | |
| 3249 | return 0; |
| 3250 | |
| 3251 | ex_abort: |
| 3252 | res_abort_move(dev, slave, RES_SRQ, srqn); |
| 3253 | |
| 3254 | return err; |
| 3255 | } |
| 3256 | |
| 3257 | int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3258 | struct mlx4_vhcr *vhcr, |
| 3259 | struct mlx4_cmd_mailbox *inbox, |
| 3260 | struct mlx4_cmd_mailbox *outbox, |
| 3261 | struct mlx4_cmd_info *cmd) |
| 3262 | { |
| 3263 | int err; |
| 3264 | int srqn = vhcr->in_modifier; |
| 3265 | struct res_srq *srq; |
| 3266 | |
| 3267 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); |
| 3268 | if (err) |
| 3269 | return err; |
| 3270 | if (srq->com.from_state != RES_SRQ_HW) { |
| 3271 | err = -EBUSY; |
| 3272 | goto out; |
| 3273 | } |
| 3274 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3275 | out: |
| 3276 | put_res(dev, slave, srqn, RES_SRQ); |
| 3277 | return err; |
| 3278 | } |
| 3279 | |
| 3280 | int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3281 | struct mlx4_vhcr *vhcr, |
| 3282 | struct mlx4_cmd_mailbox *inbox, |
| 3283 | struct mlx4_cmd_mailbox *outbox, |
| 3284 | struct mlx4_cmd_info *cmd) |
| 3285 | { |
| 3286 | int err; |
| 3287 | int srqn = vhcr->in_modifier; |
| 3288 | struct res_srq *srq; |
| 3289 | |
| 3290 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); |
| 3291 | if (err) |
| 3292 | return err; |
| 3293 | |
| 3294 | if (srq->com.from_state != RES_SRQ_HW) { |
| 3295 | err = -EBUSY; |
| 3296 | goto out; |
| 3297 | } |
| 3298 | |
| 3299 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3300 | out: |
| 3301 | put_res(dev, slave, srqn, RES_SRQ); |
| 3302 | return err; |
| 3303 | } |
| 3304 | |
| 3305 | int mlx4_GEN_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3306 | struct mlx4_vhcr *vhcr, |
| 3307 | struct mlx4_cmd_mailbox *inbox, |
| 3308 | struct mlx4_cmd_mailbox *outbox, |
| 3309 | struct mlx4_cmd_info *cmd) |
| 3310 | { |
| 3311 | int err; |
| 3312 | int qpn = vhcr->in_modifier & 0x7fffff; |
| 3313 | struct res_qp *qp; |
| 3314 | |
| 3315 | err = get_res(dev, slave, qpn, RES_QP, &qp); |
| 3316 | if (err) |
| 3317 | return err; |
| 3318 | if (qp->com.from_state != RES_QP_HW) { |
| 3319 | err = -EBUSY; |
| 3320 | goto out; |
| 3321 | } |
| 3322 | |
| 3323 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3324 | out: |
| 3325 | put_res(dev, slave, qpn, RES_QP); |
| 3326 | return err; |
| 3327 | } |
| 3328 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3329 | int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3330 | struct mlx4_vhcr *vhcr, |
| 3331 | struct mlx4_cmd_mailbox *inbox, |
| 3332 | struct mlx4_cmd_mailbox *outbox, |
| 3333 | struct mlx4_cmd_info *cmd) |
| 3334 | { |
| 3335 | struct mlx4_qp_context *context = inbox->buf + 8; |
| 3336 | adjust_proxy_tun_qkey(dev, vhcr, context); |
| 3337 | update_pkey_index(dev, slave, inbox); |
| 3338 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3339 | } |
| 3340 | |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 3341 | static int roce_verify_mac(struct mlx4_dev *dev, int slave, |
| 3342 | struct mlx4_qp_context *qpc, |
| 3343 | struct mlx4_cmd_mailbox *inbox) |
| 3344 | { |
| 3345 | u64 mac; |
| 3346 | int port; |
| 3347 | u32 ts = (be32_to_cpu(qpc->flags) >> 16) & 0xff; |
| 3348 | u8 sched = *(u8 *)(inbox->buf + 64); |
| 3349 | u8 smac_ix; |
| 3350 | |
| 3351 | port = (sched >> 6 & 1) + 1; |
| 3352 | if (mlx4_is_eth(dev, port) && (ts != MLX4_QP_ST_MLX)) { |
| 3353 | smac_ix = qpc->pri_path.grh_mylmc & 0x7f; |
| 3354 | if (mac_find_smac_ix_in_slave(dev, slave, port, smac_ix, &mac)) |
| 3355 | return -ENOENT; |
| 3356 | } |
| 3357 | return 0; |
| 3358 | } |
| 3359 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3360 | int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3361 | struct mlx4_vhcr *vhcr, |
| 3362 | struct mlx4_cmd_mailbox *inbox, |
| 3363 | struct mlx4_cmd_mailbox *outbox, |
| 3364 | struct mlx4_cmd_info *cmd) |
| 3365 | { |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3366 | int err; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3367 | struct mlx4_qp_context *qpc = inbox->buf + 8; |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 3368 | int qpn = vhcr->in_modifier & 0x7fffff; |
| 3369 | struct res_qp *qp; |
| 3370 | u8 orig_sched_queue; |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 3371 | __be32 orig_param3 = qpc->param3; |
| 3372 | u8 orig_vlan_control = qpc->pri_path.vlan_control; |
| 3373 | u8 orig_fvl_rx = qpc->pri_path.fvl_rx; |
| 3374 | u8 orig_pri_path_fl = qpc->pri_path.fl; |
| 3375 | u8 orig_vlan_index = qpc->pri_path.vlan_index; |
| 3376 | u8 orig_feup = qpc->pri_path.feup; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3377 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3378 | err = verify_qp_parameters(dev, inbox, QP_TRANS_INIT2RTR, slave); |
| 3379 | if (err) |
| 3380 | return err; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3381 | |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 3382 | if (roce_verify_mac(dev, slave, qpc, inbox)) |
| 3383 | return -EINVAL; |
| 3384 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3385 | update_pkey_index(dev, slave, inbox); |
| 3386 | update_gid(dev, inbox, (u8)slave); |
| 3387 | adjust_proxy_tun_qkey(dev, vhcr, qpc); |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 3388 | orig_sched_queue = qpc->pri_path.sched_queue; |
| 3389 | err = update_vport_qp_param(dev, inbox, slave, qpn); |
Rony Efraim | 3f7fb02 | 2013-04-25 05:22:28 +0000 | [diff] [blame] | 3390 | if (err) |
| 3391 | return err; |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3392 | |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 3393 | err = get_res(dev, slave, qpn, RES_QP, &qp); |
| 3394 | if (err) |
| 3395 | return err; |
| 3396 | if (qp->com.from_state != RES_QP_HW) { |
| 3397 | err = -EBUSY; |
| 3398 | goto out; |
| 3399 | } |
| 3400 | |
| 3401 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3402 | out: |
| 3403 | /* if no error, save sched queue value passed in by VF. This is |
| 3404 | * essentially the QOS value provided by the VF. This will be useful |
| 3405 | * if we allow dynamic changes from VST back to VGT |
| 3406 | */ |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 3407 | if (!err) { |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 3408 | qp->sched_queue = orig_sched_queue; |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 3409 | qp->param3 = orig_param3; |
| 3410 | qp->vlan_control = orig_vlan_control; |
| 3411 | qp->fvl_rx = orig_fvl_rx; |
| 3412 | qp->pri_path_fl = orig_pri_path_fl; |
| 3413 | qp->vlan_index = orig_vlan_index; |
| 3414 | qp->feup = orig_feup; |
| 3415 | } |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 3416 | put_res(dev, slave, qpn, RES_QP); |
| 3417 | return err; |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3418 | } |
| 3419 | |
| 3420 | int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3421 | struct mlx4_vhcr *vhcr, |
| 3422 | struct mlx4_cmd_mailbox *inbox, |
| 3423 | struct mlx4_cmd_mailbox *outbox, |
| 3424 | struct mlx4_cmd_info *cmd) |
| 3425 | { |
| 3426 | int err; |
| 3427 | struct mlx4_qp_context *context = inbox->buf + 8; |
| 3428 | |
| 3429 | err = verify_qp_parameters(dev, inbox, QP_TRANS_RTR2RTS, slave); |
| 3430 | if (err) |
| 3431 | return err; |
| 3432 | |
| 3433 | update_pkey_index(dev, slave, inbox); |
| 3434 | update_gid(dev, inbox, (u8)slave); |
| 3435 | adjust_proxy_tun_qkey(dev, vhcr, context); |
| 3436 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3437 | } |
| 3438 | |
| 3439 | int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3440 | struct mlx4_vhcr *vhcr, |
| 3441 | struct mlx4_cmd_mailbox *inbox, |
| 3442 | struct mlx4_cmd_mailbox *outbox, |
| 3443 | struct mlx4_cmd_info *cmd) |
| 3444 | { |
| 3445 | int err; |
| 3446 | struct mlx4_qp_context *context = inbox->buf + 8; |
| 3447 | |
| 3448 | err = verify_qp_parameters(dev, inbox, QP_TRANS_RTS2RTS, slave); |
| 3449 | if (err) |
| 3450 | return err; |
| 3451 | |
| 3452 | update_pkey_index(dev, slave, inbox); |
| 3453 | update_gid(dev, inbox, (u8)slave); |
| 3454 | adjust_proxy_tun_qkey(dev, vhcr, context); |
| 3455 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3456 | } |
| 3457 | |
| 3458 | |
| 3459 | int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3460 | struct mlx4_vhcr *vhcr, |
| 3461 | struct mlx4_cmd_mailbox *inbox, |
| 3462 | struct mlx4_cmd_mailbox *outbox, |
| 3463 | struct mlx4_cmd_info *cmd) |
| 3464 | { |
| 3465 | struct mlx4_qp_context *context = inbox->buf + 8; |
| 3466 | adjust_proxy_tun_qkey(dev, vhcr, context); |
| 3467 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3468 | } |
| 3469 | |
| 3470 | int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3471 | struct mlx4_vhcr *vhcr, |
| 3472 | struct mlx4_cmd_mailbox *inbox, |
| 3473 | struct mlx4_cmd_mailbox *outbox, |
| 3474 | struct mlx4_cmd_info *cmd) |
| 3475 | { |
| 3476 | int err; |
| 3477 | struct mlx4_qp_context *context = inbox->buf + 8; |
| 3478 | |
| 3479 | err = verify_qp_parameters(dev, inbox, QP_TRANS_SQD2SQD, slave); |
| 3480 | if (err) |
| 3481 | return err; |
| 3482 | |
| 3483 | adjust_proxy_tun_qkey(dev, vhcr, context); |
| 3484 | update_gid(dev, inbox, (u8)slave); |
| 3485 | update_pkey_index(dev, slave, inbox); |
| 3486 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3487 | } |
| 3488 | |
| 3489 | int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3490 | struct mlx4_vhcr *vhcr, |
| 3491 | struct mlx4_cmd_mailbox *inbox, |
| 3492 | struct mlx4_cmd_mailbox *outbox, |
| 3493 | struct mlx4_cmd_info *cmd) |
| 3494 | { |
| 3495 | int err; |
| 3496 | struct mlx4_qp_context *context = inbox->buf + 8; |
| 3497 | |
| 3498 | err = verify_qp_parameters(dev, inbox, QP_TRANS_SQD2RTS, slave); |
| 3499 | if (err) |
| 3500 | return err; |
| 3501 | |
| 3502 | adjust_proxy_tun_qkey(dev, vhcr, context); |
| 3503 | update_gid(dev, inbox, (u8)slave); |
| 3504 | update_pkey_index(dev, slave, inbox); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3505 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3506 | } |
| 3507 | |
| 3508 | int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3509 | struct mlx4_vhcr *vhcr, |
| 3510 | struct mlx4_cmd_mailbox *inbox, |
| 3511 | struct mlx4_cmd_mailbox *outbox, |
| 3512 | struct mlx4_cmd_info *cmd) |
| 3513 | { |
| 3514 | int err; |
| 3515 | int qpn = vhcr->in_modifier & 0x7fffff; |
| 3516 | struct res_qp *qp; |
| 3517 | |
| 3518 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, &qp, 0); |
| 3519 | if (err) |
| 3520 | return err; |
| 3521 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3522 | if (err) |
| 3523 | goto ex_abort; |
| 3524 | |
| 3525 | atomic_dec(&qp->mtt->ref_count); |
| 3526 | atomic_dec(&qp->rcq->ref_count); |
| 3527 | atomic_dec(&qp->scq->ref_count); |
| 3528 | if (qp->srq) |
| 3529 | atomic_dec(&qp->srq->ref_count); |
| 3530 | res_end_move(dev, slave, RES_QP, qpn); |
| 3531 | return 0; |
| 3532 | |
| 3533 | ex_abort: |
| 3534 | res_abort_move(dev, slave, RES_QP, qpn); |
| 3535 | |
| 3536 | return err; |
| 3537 | } |
| 3538 | |
| 3539 | static struct res_gid *find_gid(struct mlx4_dev *dev, int slave, |
| 3540 | struct res_qp *rqp, u8 *gid) |
| 3541 | { |
| 3542 | struct res_gid *res; |
| 3543 | |
| 3544 | list_for_each_entry(res, &rqp->mcg_list, list) { |
| 3545 | if (!memcmp(res->gid, gid, 16)) |
| 3546 | return res; |
| 3547 | } |
| 3548 | return NULL; |
| 3549 | } |
| 3550 | |
| 3551 | static int add_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp, |
Eugenia Emantayev | 9f5b6c6 | 2012-02-15 06:23:16 +0000 | [diff] [blame] | 3552 | u8 *gid, enum mlx4_protocol prot, |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3553 | enum mlx4_steer_type steer, u64 reg_id) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3554 | { |
| 3555 | struct res_gid *res; |
| 3556 | int err; |
| 3557 | |
| 3558 | res = kzalloc(sizeof *res, GFP_KERNEL); |
| 3559 | if (!res) |
| 3560 | return -ENOMEM; |
| 3561 | |
| 3562 | spin_lock_irq(&rqp->mcg_spl); |
| 3563 | if (find_gid(dev, slave, rqp, gid)) { |
| 3564 | kfree(res); |
| 3565 | err = -EEXIST; |
| 3566 | } else { |
| 3567 | memcpy(res->gid, gid, 16); |
| 3568 | res->prot = prot; |
Eugenia Emantayev | 9f5b6c6 | 2012-02-15 06:23:16 +0000 | [diff] [blame] | 3569 | res->steer = steer; |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3570 | res->reg_id = reg_id; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3571 | list_add_tail(&res->list, &rqp->mcg_list); |
| 3572 | err = 0; |
| 3573 | } |
| 3574 | spin_unlock_irq(&rqp->mcg_spl); |
| 3575 | |
| 3576 | return err; |
| 3577 | } |
| 3578 | |
| 3579 | static int rem_mcg_res(struct mlx4_dev *dev, int slave, struct res_qp *rqp, |
Eugenia Emantayev | 9f5b6c6 | 2012-02-15 06:23:16 +0000 | [diff] [blame] | 3580 | u8 *gid, enum mlx4_protocol prot, |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3581 | enum mlx4_steer_type steer, u64 *reg_id) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3582 | { |
| 3583 | struct res_gid *res; |
| 3584 | int err; |
| 3585 | |
| 3586 | spin_lock_irq(&rqp->mcg_spl); |
| 3587 | res = find_gid(dev, slave, rqp, gid); |
Eugenia Emantayev | 9f5b6c6 | 2012-02-15 06:23:16 +0000 | [diff] [blame] | 3588 | if (!res || res->prot != prot || res->steer != steer) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3589 | err = -EINVAL; |
| 3590 | else { |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3591 | *reg_id = res->reg_id; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3592 | list_del(&res->list); |
| 3593 | kfree(res); |
| 3594 | err = 0; |
| 3595 | } |
| 3596 | spin_unlock_irq(&rqp->mcg_spl); |
| 3597 | |
| 3598 | return err; |
| 3599 | } |
| 3600 | |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3601 | static int qp_attach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], |
| 3602 | int block_loopback, enum mlx4_protocol prot, |
| 3603 | enum mlx4_steer_type type, u64 *reg_id) |
| 3604 | { |
| 3605 | switch (dev->caps.steering_mode) { |
| 3606 | case MLX4_STEERING_MODE_DEVICE_MANAGED: |
| 3607 | return mlx4_trans_to_dmfs_attach(dev, qp, gid, gid[5], |
| 3608 | block_loopback, prot, |
| 3609 | reg_id); |
| 3610 | case MLX4_STEERING_MODE_B0: |
| 3611 | return mlx4_qp_attach_common(dev, qp, gid, |
| 3612 | block_loopback, prot, type); |
| 3613 | default: |
| 3614 | return -EINVAL; |
| 3615 | } |
| 3616 | } |
| 3617 | |
| 3618 | static int qp_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, u8 gid[16], |
| 3619 | enum mlx4_protocol prot, enum mlx4_steer_type type, |
| 3620 | u64 reg_id) |
| 3621 | { |
| 3622 | switch (dev->caps.steering_mode) { |
| 3623 | case MLX4_STEERING_MODE_DEVICE_MANAGED: |
| 3624 | return mlx4_flow_detach(dev, reg_id); |
| 3625 | case MLX4_STEERING_MODE_B0: |
| 3626 | return mlx4_qp_detach_common(dev, qp, gid, prot, type); |
| 3627 | default: |
| 3628 | return -EINVAL; |
| 3629 | } |
| 3630 | } |
| 3631 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3632 | int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave, |
| 3633 | struct mlx4_vhcr *vhcr, |
| 3634 | struct mlx4_cmd_mailbox *inbox, |
| 3635 | struct mlx4_cmd_mailbox *outbox, |
| 3636 | struct mlx4_cmd_info *cmd) |
| 3637 | { |
| 3638 | struct mlx4_qp qp; /* dummy for calling attach/detach */ |
| 3639 | u8 *gid = inbox->buf; |
| 3640 | enum mlx4_protocol prot = (vhcr->in_modifier >> 28) & 0x7; |
Or Gerlitz | 162344e | 2012-05-15 10:34:57 +0000 | [diff] [blame] | 3641 | int err; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3642 | int qpn; |
| 3643 | struct res_qp *rqp; |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3644 | u64 reg_id = 0; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3645 | int attach = vhcr->op_modifier; |
| 3646 | int block_loopback = vhcr->in_modifier >> 31; |
| 3647 | u8 steer_type_mask = 2; |
Eugenia Emantayev | 75c6062 | 2012-02-15 06:22:49 +0000 | [diff] [blame] | 3648 | enum mlx4_steer_type type = (gid[7] & steer_type_mask) >> 1; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3649 | |
| 3650 | qpn = vhcr->in_modifier & 0xffffff; |
| 3651 | err = get_res(dev, slave, qpn, RES_QP, &rqp); |
| 3652 | if (err) |
| 3653 | return err; |
| 3654 | |
| 3655 | qp.qpn = qpn; |
| 3656 | if (attach) { |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3657 | err = qp_attach(dev, &qp, gid, block_loopback, prot, |
| 3658 | type, ®_id); |
| 3659 | if (err) { |
| 3660 | pr_err("Fail to attach rule to qp 0x%x\n", qpn); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3661 | goto ex_put; |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3662 | } |
| 3663 | err = add_mcg_res(dev, slave, rqp, gid, prot, type, reg_id); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3664 | if (err) |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3665 | goto ex_detach; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3666 | } else { |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3667 | err = rem_mcg_res(dev, slave, rqp, gid, prot, type, ®_id); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3668 | if (err) |
| 3669 | goto ex_put; |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3670 | |
| 3671 | err = qp_detach(dev, &qp, gid, prot, type, reg_id); |
| 3672 | if (err) |
| 3673 | pr_err("Fail to detach rule from qp 0x%x reg_id = 0x%llx\n", |
| 3674 | qpn, reg_id); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3675 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3676 | put_res(dev, slave, qpn, RES_QP); |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3677 | return err; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3678 | |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3679 | ex_detach: |
| 3680 | qp_detach(dev, &qp, gid, prot, type, reg_id); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3681 | ex_put: |
| 3682 | put_res(dev, slave, qpn, RES_QP); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3683 | return err; |
| 3684 | } |
| 3685 | |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 3686 | /* |
| 3687 | * MAC validation for Flow Steering rules. |
| 3688 | * VF can attach rules only with a mac address which is assigned to it. |
| 3689 | */ |
| 3690 | static int validate_eth_header_mac(int slave, struct _rule_hw *eth_header, |
| 3691 | struct list_head *rlist) |
| 3692 | { |
| 3693 | struct mac_res *res, *tmp; |
| 3694 | __be64 be_mac; |
| 3695 | |
| 3696 | /* make sure it isn't multicast or broadcast mac*/ |
| 3697 | if (!is_multicast_ether_addr(eth_header->eth.dst_mac) && |
| 3698 | !is_broadcast_ether_addr(eth_header->eth.dst_mac)) { |
| 3699 | list_for_each_entry_safe(res, tmp, rlist, list) { |
| 3700 | be_mac = cpu_to_be64(res->mac << 16); |
dingtianhong | c0623e5 | 2013-12-30 15:40:55 +0800 | [diff] [blame] | 3701 | if (ether_addr_equal((u8 *)&be_mac, eth_header->eth.dst_mac)) |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 3702 | return 0; |
| 3703 | } |
| 3704 | pr_err("MAC %pM doesn't belong to VF %d, Steering rule rejected\n", |
| 3705 | eth_header->eth.dst_mac, slave); |
| 3706 | return -EINVAL; |
| 3707 | } |
| 3708 | return 0; |
| 3709 | } |
| 3710 | |
| 3711 | /* |
| 3712 | * In case of missing eth header, append eth header with a MAC address |
| 3713 | * assigned to the VF. |
| 3714 | */ |
| 3715 | static int add_eth_header(struct mlx4_dev *dev, int slave, |
| 3716 | struct mlx4_cmd_mailbox *inbox, |
| 3717 | struct list_head *rlist, int header_id) |
| 3718 | { |
| 3719 | struct mac_res *res, *tmp; |
| 3720 | u8 port; |
| 3721 | struct mlx4_net_trans_rule_hw_ctrl *ctrl; |
| 3722 | struct mlx4_net_trans_rule_hw_eth *eth_header; |
| 3723 | struct mlx4_net_trans_rule_hw_ipv4 *ip_header; |
| 3724 | struct mlx4_net_trans_rule_hw_tcp_udp *l4_header; |
| 3725 | __be64 be_mac = 0; |
| 3726 | __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16); |
| 3727 | |
| 3728 | ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf; |
Hadar Hen Zion | 015465f | 2013-01-30 23:07:02 +0000 | [diff] [blame] | 3729 | port = ctrl->port; |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 3730 | eth_header = (struct mlx4_net_trans_rule_hw_eth *)(ctrl + 1); |
| 3731 | |
| 3732 | /* Clear a space in the inbox for eth header */ |
| 3733 | switch (header_id) { |
| 3734 | case MLX4_NET_TRANS_RULE_ID_IPV4: |
| 3735 | ip_header = |
| 3736 | (struct mlx4_net_trans_rule_hw_ipv4 *)(eth_header + 1); |
| 3737 | memmove(ip_header, eth_header, |
| 3738 | sizeof(*ip_header) + sizeof(*l4_header)); |
| 3739 | break; |
| 3740 | case MLX4_NET_TRANS_RULE_ID_TCP: |
| 3741 | case MLX4_NET_TRANS_RULE_ID_UDP: |
| 3742 | l4_header = (struct mlx4_net_trans_rule_hw_tcp_udp *) |
| 3743 | (eth_header + 1); |
| 3744 | memmove(l4_header, eth_header, sizeof(*l4_header)); |
| 3745 | break; |
| 3746 | default: |
| 3747 | return -EINVAL; |
| 3748 | } |
| 3749 | list_for_each_entry_safe(res, tmp, rlist, list) { |
| 3750 | if (port == res->port) { |
| 3751 | be_mac = cpu_to_be64(res->mac << 16); |
| 3752 | break; |
| 3753 | } |
| 3754 | } |
| 3755 | if (!be_mac) { |
| 3756 | pr_err("Failed adding eth header to FS rule, Can't find matching MAC for port %d .\n", |
| 3757 | port); |
| 3758 | return -EINVAL; |
| 3759 | } |
| 3760 | |
| 3761 | memset(eth_header, 0, sizeof(*eth_header)); |
| 3762 | eth_header->size = sizeof(*eth_header) >> 2; |
| 3763 | eth_header->id = cpu_to_be16(__sw_id_hw[MLX4_NET_TRANS_RULE_ID_ETH]); |
| 3764 | memcpy(eth_header->dst_mac, &be_mac, ETH_ALEN); |
| 3765 | memcpy(eth_header->dst_mac_msk, &mac_msk, ETH_ALEN); |
| 3766 | |
| 3767 | return 0; |
| 3768 | |
| 3769 | } |
| 3770 | |
Hadar Hen Zion | 8fcfb4d | 2012-07-05 04:03:45 +0000 | [diff] [blame] | 3771 | int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave, |
| 3772 | struct mlx4_vhcr *vhcr, |
| 3773 | struct mlx4_cmd_mailbox *inbox, |
| 3774 | struct mlx4_cmd_mailbox *outbox, |
| 3775 | struct mlx4_cmd_info *cmd) |
| 3776 | { |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 3777 | |
| 3778 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 3779 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 3780 | struct list_head *rlist = &tracker->slave_list[slave].res_list[RES_MAC]; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 3781 | int err; |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 3782 | int qpn; |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 3783 | struct res_qp *rqp; |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 3784 | struct mlx4_net_trans_rule_hw_ctrl *ctrl; |
| 3785 | struct _rule_hw *rule_header; |
| 3786 | int header_id; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 3787 | |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 3788 | if (dev->caps.steering_mode != |
| 3789 | MLX4_STEERING_MODE_DEVICE_MANAGED) |
| 3790 | return -EOPNOTSUPP; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 3791 | |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 3792 | ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf; |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 3793 | qpn = be32_to_cpu(ctrl->qpn) & 0xffffff; |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 3794 | err = get_res(dev, slave, qpn, RES_QP, &rqp); |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 3795 | if (err) { |
| 3796 | pr_err("Steering rule with qpn 0x%x rejected.\n", qpn); |
| 3797 | return err; |
| 3798 | } |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 3799 | rule_header = (struct _rule_hw *)(ctrl + 1); |
| 3800 | header_id = map_hw_to_sw_id(be16_to_cpu(rule_header->id)); |
| 3801 | |
| 3802 | switch (header_id) { |
| 3803 | case MLX4_NET_TRANS_RULE_ID_ETH: |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 3804 | if (validate_eth_header_mac(slave, rule_header, rlist)) { |
| 3805 | err = -EINVAL; |
| 3806 | goto err_put; |
| 3807 | } |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 3808 | break; |
Jack Morgenstein | 6039668 | 2012-10-03 15:38:48 +0000 | [diff] [blame] | 3809 | case MLX4_NET_TRANS_RULE_ID_IB: |
| 3810 | break; |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 3811 | case MLX4_NET_TRANS_RULE_ID_IPV4: |
| 3812 | case MLX4_NET_TRANS_RULE_ID_TCP: |
| 3813 | case MLX4_NET_TRANS_RULE_ID_UDP: |
| 3814 | pr_warn("Can't attach FS rule without L2 headers, adding L2 header.\n"); |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 3815 | if (add_eth_header(dev, slave, inbox, rlist, header_id)) { |
| 3816 | err = -EINVAL; |
| 3817 | goto err_put; |
| 3818 | } |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 3819 | vhcr->in_modifier += |
| 3820 | sizeof(struct mlx4_net_trans_rule_hw_eth) >> 2; |
| 3821 | break; |
| 3822 | default: |
| 3823 | pr_err("Corrupted mailbox.\n"); |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 3824 | err = -EINVAL; |
| 3825 | goto err_put; |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 3826 | } |
| 3827 | |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 3828 | err = mlx4_cmd_imm(dev, inbox->dma, &vhcr->out_param, |
| 3829 | vhcr->in_modifier, 0, |
| 3830 | MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, |
| 3831 | MLX4_CMD_NATIVE); |
| 3832 | if (err) |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 3833 | goto err_put; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 3834 | |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 3835 | err = add_res_range(dev, slave, vhcr->out_param, 1, RES_FS_RULE, qpn); |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 3836 | if (err) { |
| 3837 | mlx4_err(dev, "Fail to add flow steering resources.\n "); |
| 3838 | /* detach rule*/ |
| 3839 | mlx4_cmd(dev, vhcr->out_param, 0, 0, |
Hadar Hen Zion | 2065b38 | 2012-12-06 17:11:58 +0000 | [diff] [blame] | 3840 | MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 3841 | MLX4_CMD_NATIVE); |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 3842 | goto err_put; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 3843 | } |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 3844 | atomic_inc(&rqp->ref_count); |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 3845 | err_put: |
| 3846 | put_res(dev, slave, qpn, RES_QP); |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 3847 | return err; |
Hadar Hen Zion | 8fcfb4d | 2012-07-05 04:03:45 +0000 | [diff] [blame] | 3848 | } |
| 3849 | |
| 3850 | int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave, |
| 3851 | struct mlx4_vhcr *vhcr, |
| 3852 | struct mlx4_cmd_mailbox *inbox, |
| 3853 | struct mlx4_cmd_mailbox *outbox, |
| 3854 | struct mlx4_cmd_info *cmd) |
| 3855 | { |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 3856 | int err; |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 3857 | struct res_qp *rqp; |
| 3858 | struct res_fs_rule *rrule; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 3859 | |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 3860 | if (dev->caps.steering_mode != |
| 3861 | MLX4_STEERING_MODE_DEVICE_MANAGED) |
| 3862 | return -EOPNOTSUPP; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 3863 | |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 3864 | err = get_res(dev, slave, vhcr->in_param, RES_FS_RULE, &rrule); |
| 3865 | if (err) |
| 3866 | return err; |
| 3867 | /* Release the rule form busy state before removal */ |
| 3868 | put_res(dev, slave, vhcr->in_param, RES_FS_RULE); |
| 3869 | err = get_res(dev, slave, rrule->qpn, RES_QP, &rqp); |
| 3870 | if (err) |
| 3871 | return err; |
| 3872 | |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 3873 | err = rem_res_range(dev, slave, vhcr->in_param, 1, RES_FS_RULE, 0); |
| 3874 | if (err) { |
| 3875 | mlx4_err(dev, "Fail to remove flow steering resources.\n "); |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 3876 | goto out; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 3877 | } |
| 3878 | |
| 3879 | err = mlx4_cmd(dev, vhcr->in_param, 0, 0, |
| 3880 | MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, |
| 3881 | MLX4_CMD_NATIVE); |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 3882 | if (!err) |
| 3883 | atomic_dec(&rqp->ref_count); |
| 3884 | out: |
| 3885 | put_res(dev, slave, rrule->qpn, RES_QP); |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 3886 | return err; |
Hadar Hen Zion | 8fcfb4d | 2012-07-05 04:03:45 +0000 | [diff] [blame] | 3887 | } |
| 3888 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3889 | enum { |
| 3890 | BUSY_MAX_RETRIES = 10 |
| 3891 | }; |
| 3892 | |
| 3893 | int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave, |
| 3894 | struct mlx4_vhcr *vhcr, |
| 3895 | struct mlx4_cmd_mailbox *inbox, |
| 3896 | struct mlx4_cmd_mailbox *outbox, |
| 3897 | struct mlx4_cmd_info *cmd) |
| 3898 | { |
| 3899 | int err; |
| 3900 | int index = vhcr->in_modifier & 0xffff; |
| 3901 | |
| 3902 | err = get_res(dev, slave, index, RES_COUNTER, NULL); |
| 3903 | if (err) |
| 3904 | return err; |
| 3905 | |
| 3906 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3907 | put_res(dev, slave, index, RES_COUNTER); |
| 3908 | return err; |
| 3909 | } |
| 3910 | |
Matan Barak | 4de6580 | 2013-11-07 15:25:14 +0200 | [diff] [blame] | 3911 | int mlx4_FLOW_STEERING_IB_UC_QP_RANGE_wrapper(struct mlx4_dev *dev, int slave, |
| 3912 | struct mlx4_vhcr *vhcr, |
| 3913 | struct mlx4_cmd_mailbox *inbox, |
| 3914 | struct mlx4_cmd_mailbox *outbox, |
| 3915 | struct mlx4_cmd_info *cmd) |
| 3916 | { |
| 3917 | return -EPERM; |
| 3918 | } |
| 3919 | |
| 3920 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3921 | static void detach_qp(struct mlx4_dev *dev, int slave, struct res_qp *rqp) |
| 3922 | { |
| 3923 | struct res_gid *rgid; |
| 3924 | struct res_gid *tmp; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3925 | struct mlx4_qp qp; /* dummy for calling attach/detach */ |
| 3926 | |
| 3927 | list_for_each_entry_safe(rgid, tmp, &rqp->mcg_list, list) { |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3928 | switch (dev->caps.steering_mode) { |
| 3929 | case MLX4_STEERING_MODE_DEVICE_MANAGED: |
| 3930 | mlx4_flow_detach(dev, rgid->reg_id); |
| 3931 | break; |
| 3932 | case MLX4_STEERING_MODE_B0: |
| 3933 | qp.qpn = rqp->local_qpn; |
| 3934 | (void) mlx4_qp_detach_common(dev, &qp, rgid->gid, |
| 3935 | rgid->prot, rgid->steer); |
| 3936 | break; |
| 3937 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3938 | list_del(&rgid->list); |
| 3939 | kfree(rgid); |
| 3940 | } |
| 3941 | } |
| 3942 | |
| 3943 | static int _move_all_busy(struct mlx4_dev *dev, int slave, |
| 3944 | enum mlx4_resource type, int print) |
| 3945 | { |
| 3946 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 3947 | struct mlx4_resource_tracker *tracker = |
| 3948 | &priv->mfunc.master.res_tracker; |
| 3949 | struct list_head *rlist = &tracker->slave_list[slave].res_list[type]; |
| 3950 | struct res_common *r; |
| 3951 | struct res_common *tmp; |
| 3952 | int busy; |
| 3953 | |
| 3954 | busy = 0; |
| 3955 | spin_lock_irq(mlx4_tlock(dev)); |
| 3956 | list_for_each_entry_safe(r, tmp, rlist, list) { |
| 3957 | if (r->owner == slave) { |
| 3958 | if (!r->removing) { |
| 3959 | if (r->state == RES_ANY_BUSY) { |
| 3960 | if (print) |
| 3961 | mlx4_dbg(dev, |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 3962 | "%s id 0x%llx is busy\n", |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3963 | ResourceType(type), |
| 3964 | r->res_id); |
| 3965 | ++busy; |
| 3966 | } else { |
| 3967 | r->from_state = r->state; |
| 3968 | r->state = RES_ANY_BUSY; |
| 3969 | r->removing = 1; |
| 3970 | } |
| 3971 | } |
| 3972 | } |
| 3973 | } |
| 3974 | spin_unlock_irq(mlx4_tlock(dev)); |
| 3975 | |
| 3976 | return busy; |
| 3977 | } |
| 3978 | |
| 3979 | static int move_all_busy(struct mlx4_dev *dev, int slave, |
| 3980 | enum mlx4_resource type) |
| 3981 | { |
| 3982 | unsigned long begin; |
| 3983 | int busy; |
| 3984 | |
| 3985 | begin = jiffies; |
| 3986 | do { |
| 3987 | busy = _move_all_busy(dev, slave, type, 0); |
| 3988 | if (time_after(jiffies, begin + 5 * HZ)) |
| 3989 | break; |
| 3990 | if (busy) |
| 3991 | cond_resched(); |
| 3992 | } while (busy); |
| 3993 | |
| 3994 | if (busy) |
| 3995 | busy = _move_all_busy(dev, slave, type, 1); |
| 3996 | |
| 3997 | return busy; |
| 3998 | } |
| 3999 | static void rem_slave_qps(struct mlx4_dev *dev, int slave) |
| 4000 | { |
| 4001 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4002 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 4003 | struct list_head *qp_list = |
| 4004 | &tracker->slave_list[slave].res_list[RES_QP]; |
| 4005 | struct res_qp *qp; |
| 4006 | struct res_qp *tmp; |
| 4007 | int state; |
| 4008 | u64 in_param; |
| 4009 | int qpn; |
| 4010 | int err; |
| 4011 | |
| 4012 | err = move_all_busy(dev, slave, RES_QP); |
| 4013 | if (err) |
| 4014 | mlx4_warn(dev, "rem_slave_qps: Could not move all qps to busy" |
| 4015 | "for slave %d\n", slave); |
| 4016 | |
| 4017 | spin_lock_irq(mlx4_tlock(dev)); |
| 4018 | list_for_each_entry_safe(qp, tmp, qp_list, com.list) { |
| 4019 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4020 | if (qp->com.owner == slave) { |
| 4021 | qpn = qp->com.res_id; |
| 4022 | detach_qp(dev, slave, qp); |
| 4023 | state = qp->com.from_state; |
| 4024 | while (state != 0) { |
| 4025 | switch (state) { |
| 4026 | case RES_QP_RESERVED: |
| 4027 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 4028 | rb_erase(&qp->com.node, |
| 4029 | &tracker->res_tree[RES_QP]); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4030 | list_del(&qp->com.list); |
| 4031 | spin_unlock_irq(mlx4_tlock(dev)); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 4032 | if (!valid_reserved(dev, slave, qpn)) { |
| 4033 | __mlx4_qp_release_range(dev, qpn, 1); |
| 4034 | mlx4_release_resource(dev, slave, |
| 4035 | RES_QP, 1, 0); |
| 4036 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4037 | kfree(qp); |
| 4038 | state = 0; |
| 4039 | break; |
| 4040 | case RES_QP_MAPPED: |
| 4041 | if (!valid_reserved(dev, slave, qpn)) |
| 4042 | __mlx4_qp_free_icm(dev, qpn); |
| 4043 | state = RES_QP_RESERVED; |
| 4044 | break; |
| 4045 | case RES_QP_HW: |
| 4046 | in_param = slave; |
| 4047 | err = mlx4_cmd(dev, in_param, |
| 4048 | qp->local_qpn, 2, |
| 4049 | MLX4_CMD_2RST_QP, |
| 4050 | MLX4_CMD_TIME_CLASS_A, |
| 4051 | MLX4_CMD_NATIVE); |
| 4052 | if (err) |
| 4053 | mlx4_dbg(dev, "rem_slave_qps: failed" |
| 4054 | " to move slave %d qpn %d to" |
| 4055 | " reset\n", slave, |
| 4056 | qp->local_qpn); |
| 4057 | atomic_dec(&qp->rcq->ref_count); |
| 4058 | atomic_dec(&qp->scq->ref_count); |
| 4059 | atomic_dec(&qp->mtt->ref_count); |
| 4060 | if (qp->srq) |
| 4061 | atomic_dec(&qp->srq->ref_count); |
| 4062 | state = RES_QP_MAPPED; |
| 4063 | break; |
| 4064 | default: |
| 4065 | state = 0; |
| 4066 | } |
| 4067 | } |
| 4068 | } |
| 4069 | spin_lock_irq(mlx4_tlock(dev)); |
| 4070 | } |
| 4071 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4072 | } |
| 4073 | |
| 4074 | static void rem_slave_srqs(struct mlx4_dev *dev, int slave) |
| 4075 | { |
| 4076 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4077 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 4078 | struct list_head *srq_list = |
| 4079 | &tracker->slave_list[slave].res_list[RES_SRQ]; |
| 4080 | struct res_srq *srq; |
| 4081 | struct res_srq *tmp; |
| 4082 | int state; |
| 4083 | u64 in_param; |
| 4084 | LIST_HEAD(tlist); |
| 4085 | int srqn; |
| 4086 | int err; |
| 4087 | |
| 4088 | err = move_all_busy(dev, slave, RES_SRQ); |
| 4089 | if (err) |
| 4090 | mlx4_warn(dev, "rem_slave_srqs: Could not move all srqs to " |
| 4091 | "busy for slave %d\n", slave); |
| 4092 | |
| 4093 | spin_lock_irq(mlx4_tlock(dev)); |
| 4094 | list_for_each_entry_safe(srq, tmp, srq_list, com.list) { |
| 4095 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4096 | if (srq->com.owner == slave) { |
| 4097 | srqn = srq->com.res_id; |
| 4098 | state = srq->com.from_state; |
| 4099 | while (state != 0) { |
| 4100 | switch (state) { |
| 4101 | case RES_SRQ_ALLOCATED: |
| 4102 | __mlx4_srq_free_icm(dev, srqn); |
| 4103 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 4104 | rb_erase(&srq->com.node, |
| 4105 | &tracker->res_tree[RES_SRQ]); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4106 | list_del(&srq->com.list); |
| 4107 | spin_unlock_irq(mlx4_tlock(dev)); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 4108 | mlx4_release_resource(dev, slave, |
| 4109 | RES_SRQ, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4110 | kfree(srq); |
| 4111 | state = 0; |
| 4112 | break; |
| 4113 | |
| 4114 | case RES_SRQ_HW: |
| 4115 | in_param = slave; |
| 4116 | err = mlx4_cmd(dev, in_param, srqn, 1, |
| 4117 | MLX4_CMD_HW2SW_SRQ, |
| 4118 | MLX4_CMD_TIME_CLASS_A, |
| 4119 | MLX4_CMD_NATIVE); |
| 4120 | if (err) |
| 4121 | mlx4_dbg(dev, "rem_slave_srqs: failed" |
| 4122 | " to move slave %d srq %d to" |
| 4123 | " SW ownership\n", |
| 4124 | slave, srqn); |
| 4125 | |
| 4126 | atomic_dec(&srq->mtt->ref_count); |
| 4127 | if (srq->cq) |
| 4128 | atomic_dec(&srq->cq->ref_count); |
| 4129 | state = RES_SRQ_ALLOCATED; |
| 4130 | break; |
| 4131 | |
| 4132 | default: |
| 4133 | state = 0; |
| 4134 | } |
| 4135 | } |
| 4136 | } |
| 4137 | spin_lock_irq(mlx4_tlock(dev)); |
| 4138 | } |
| 4139 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4140 | } |
| 4141 | |
| 4142 | static void rem_slave_cqs(struct mlx4_dev *dev, int slave) |
| 4143 | { |
| 4144 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4145 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 4146 | struct list_head *cq_list = |
| 4147 | &tracker->slave_list[slave].res_list[RES_CQ]; |
| 4148 | struct res_cq *cq; |
| 4149 | struct res_cq *tmp; |
| 4150 | int state; |
| 4151 | u64 in_param; |
| 4152 | LIST_HEAD(tlist); |
| 4153 | int cqn; |
| 4154 | int err; |
| 4155 | |
| 4156 | err = move_all_busy(dev, slave, RES_CQ); |
| 4157 | if (err) |
| 4158 | mlx4_warn(dev, "rem_slave_cqs: Could not move all cqs to " |
| 4159 | "busy for slave %d\n", slave); |
| 4160 | |
| 4161 | spin_lock_irq(mlx4_tlock(dev)); |
| 4162 | list_for_each_entry_safe(cq, tmp, cq_list, com.list) { |
| 4163 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4164 | if (cq->com.owner == slave && !atomic_read(&cq->ref_count)) { |
| 4165 | cqn = cq->com.res_id; |
| 4166 | state = cq->com.from_state; |
| 4167 | while (state != 0) { |
| 4168 | switch (state) { |
| 4169 | case RES_CQ_ALLOCATED: |
| 4170 | __mlx4_cq_free_icm(dev, cqn); |
| 4171 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 4172 | rb_erase(&cq->com.node, |
| 4173 | &tracker->res_tree[RES_CQ]); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4174 | list_del(&cq->com.list); |
| 4175 | spin_unlock_irq(mlx4_tlock(dev)); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 4176 | mlx4_release_resource(dev, slave, |
| 4177 | RES_CQ, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4178 | kfree(cq); |
| 4179 | state = 0; |
| 4180 | break; |
| 4181 | |
| 4182 | case RES_CQ_HW: |
| 4183 | in_param = slave; |
| 4184 | err = mlx4_cmd(dev, in_param, cqn, 1, |
| 4185 | MLX4_CMD_HW2SW_CQ, |
| 4186 | MLX4_CMD_TIME_CLASS_A, |
| 4187 | MLX4_CMD_NATIVE); |
| 4188 | if (err) |
| 4189 | mlx4_dbg(dev, "rem_slave_cqs: failed" |
| 4190 | " to move slave %d cq %d to" |
| 4191 | " SW ownership\n", |
| 4192 | slave, cqn); |
| 4193 | atomic_dec(&cq->mtt->ref_count); |
| 4194 | state = RES_CQ_ALLOCATED; |
| 4195 | break; |
| 4196 | |
| 4197 | default: |
| 4198 | state = 0; |
| 4199 | } |
| 4200 | } |
| 4201 | } |
| 4202 | spin_lock_irq(mlx4_tlock(dev)); |
| 4203 | } |
| 4204 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4205 | } |
| 4206 | |
| 4207 | static void rem_slave_mrs(struct mlx4_dev *dev, int slave) |
| 4208 | { |
| 4209 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4210 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 4211 | struct list_head *mpt_list = |
| 4212 | &tracker->slave_list[slave].res_list[RES_MPT]; |
| 4213 | struct res_mpt *mpt; |
| 4214 | struct res_mpt *tmp; |
| 4215 | int state; |
| 4216 | u64 in_param; |
| 4217 | LIST_HEAD(tlist); |
| 4218 | int mptn; |
| 4219 | int err; |
| 4220 | |
| 4221 | err = move_all_busy(dev, slave, RES_MPT); |
| 4222 | if (err) |
| 4223 | mlx4_warn(dev, "rem_slave_mrs: Could not move all mpts to " |
| 4224 | "busy for slave %d\n", slave); |
| 4225 | |
| 4226 | spin_lock_irq(mlx4_tlock(dev)); |
| 4227 | list_for_each_entry_safe(mpt, tmp, mpt_list, com.list) { |
| 4228 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4229 | if (mpt->com.owner == slave) { |
| 4230 | mptn = mpt->com.res_id; |
| 4231 | state = mpt->com.from_state; |
| 4232 | while (state != 0) { |
| 4233 | switch (state) { |
| 4234 | case RES_MPT_RESERVED: |
Shani Michaeli | b20e519 | 2013-02-06 16:19:08 +0000 | [diff] [blame] | 4235 | __mlx4_mpt_release(dev, mpt->key); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4236 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 4237 | rb_erase(&mpt->com.node, |
| 4238 | &tracker->res_tree[RES_MPT]); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4239 | list_del(&mpt->com.list); |
| 4240 | spin_unlock_irq(mlx4_tlock(dev)); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 4241 | mlx4_release_resource(dev, slave, |
| 4242 | RES_MPT, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4243 | kfree(mpt); |
| 4244 | state = 0; |
| 4245 | break; |
| 4246 | |
| 4247 | case RES_MPT_MAPPED: |
Shani Michaeli | b20e519 | 2013-02-06 16:19:08 +0000 | [diff] [blame] | 4248 | __mlx4_mpt_free_icm(dev, mpt->key); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4249 | state = RES_MPT_RESERVED; |
| 4250 | break; |
| 4251 | |
| 4252 | case RES_MPT_HW: |
| 4253 | in_param = slave; |
| 4254 | err = mlx4_cmd(dev, in_param, mptn, 0, |
| 4255 | MLX4_CMD_HW2SW_MPT, |
| 4256 | MLX4_CMD_TIME_CLASS_A, |
| 4257 | MLX4_CMD_NATIVE); |
| 4258 | if (err) |
| 4259 | mlx4_dbg(dev, "rem_slave_mrs: failed" |
| 4260 | " to move slave %d mpt %d to" |
| 4261 | " SW ownership\n", |
| 4262 | slave, mptn); |
| 4263 | if (mpt->mtt) |
| 4264 | atomic_dec(&mpt->mtt->ref_count); |
| 4265 | state = RES_MPT_MAPPED; |
| 4266 | break; |
| 4267 | default: |
| 4268 | state = 0; |
| 4269 | } |
| 4270 | } |
| 4271 | } |
| 4272 | spin_lock_irq(mlx4_tlock(dev)); |
| 4273 | } |
| 4274 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4275 | } |
| 4276 | |
| 4277 | static void rem_slave_mtts(struct mlx4_dev *dev, int slave) |
| 4278 | { |
| 4279 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4280 | struct mlx4_resource_tracker *tracker = |
| 4281 | &priv->mfunc.master.res_tracker; |
| 4282 | struct list_head *mtt_list = |
| 4283 | &tracker->slave_list[slave].res_list[RES_MTT]; |
| 4284 | struct res_mtt *mtt; |
| 4285 | struct res_mtt *tmp; |
| 4286 | int state; |
| 4287 | LIST_HEAD(tlist); |
| 4288 | int base; |
| 4289 | int err; |
| 4290 | |
| 4291 | err = move_all_busy(dev, slave, RES_MTT); |
| 4292 | if (err) |
| 4293 | mlx4_warn(dev, "rem_slave_mtts: Could not move all mtts to " |
| 4294 | "busy for slave %d\n", slave); |
| 4295 | |
| 4296 | spin_lock_irq(mlx4_tlock(dev)); |
| 4297 | list_for_each_entry_safe(mtt, tmp, mtt_list, com.list) { |
| 4298 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4299 | if (mtt->com.owner == slave) { |
| 4300 | base = mtt->com.res_id; |
| 4301 | state = mtt->com.from_state; |
| 4302 | while (state != 0) { |
| 4303 | switch (state) { |
| 4304 | case RES_MTT_ALLOCATED: |
| 4305 | __mlx4_free_mtt_range(dev, base, |
| 4306 | mtt->order); |
| 4307 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 4308 | rb_erase(&mtt->com.node, |
| 4309 | &tracker->res_tree[RES_MTT]); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4310 | list_del(&mtt->com.list); |
| 4311 | spin_unlock_irq(mlx4_tlock(dev)); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 4312 | mlx4_release_resource(dev, slave, RES_MTT, |
| 4313 | 1 << mtt->order, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4314 | kfree(mtt); |
| 4315 | state = 0; |
| 4316 | break; |
| 4317 | |
| 4318 | default: |
| 4319 | state = 0; |
| 4320 | } |
| 4321 | } |
| 4322 | } |
| 4323 | spin_lock_irq(mlx4_tlock(dev)); |
| 4324 | } |
| 4325 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4326 | } |
| 4327 | |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 4328 | static void rem_slave_fs_rule(struct mlx4_dev *dev, int slave) |
| 4329 | { |
| 4330 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4331 | struct mlx4_resource_tracker *tracker = |
| 4332 | &priv->mfunc.master.res_tracker; |
| 4333 | struct list_head *fs_rule_list = |
| 4334 | &tracker->slave_list[slave].res_list[RES_FS_RULE]; |
| 4335 | struct res_fs_rule *fs_rule; |
| 4336 | struct res_fs_rule *tmp; |
| 4337 | int state; |
| 4338 | u64 base; |
| 4339 | int err; |
| 4340 | |
| 4341 | err = move_all_busy(dev, slave, RES_FS_RULE); |
| 4342 | if (err) |
| 4343 | mlx4_warn(dev, "rem_slave_fs_rule: Could not move all mtts to busy for slave %d\n", |
| 4344 | slave); |
| 4345 | |
| 4346 | spin_lock_irq(mlx4_tlock(dev)); |
| 4347 | list_for_each_entry_safe(fs_rule, tmp, fs_rule_list, com.list) { |
| 4348 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4349 | if (fs_rule->com.owner == slave) { |
| 4350 | base = fs_rule->com.res_id; |
| 4351 | state = fs_rule->com.from_state; |
| 4352 | while (state != 0) { |
| 4353 | switch (state) { |
| 4354 | case RES_FS_RULE_ALLOCATED: |
| 4355 | /* detach rule */ |
| 4356 | err = mlx4_cmd(dev, base, 0, 0, |
| 4357 | MLX4_QP_FLOW_STEERING_DETACH, |
| 4358 | MLX4_CMD_TIME_CLASS_A, |
| 4359 | MLX4_CMD_NATIVE); |
| 4360 | |
| 4361 | spin_lock_irq(mlx4_tlock(dev)); |
| 4362 | rb_erase(&fs_rule->com.node, |
| 4363 | &tracker->res_tree[RES_FS_RULE]); |
| 4364 | list_del(&fs_rule->com.list); |
| 4365 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4366 | kfree(fs_rule); |
| 4367 | state = 0; |
| 4368 | break; |
| 4369 | |
| 4370 | default: |
| 4371 | state = 0; |
| 4372 | } |
| 4373 | } |
| 4374 | } |
| 4375 | spin_lock_irq(mlx4_tlock(dev)); |
| 4376 | } |
| 4377 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4378 | } |
| 4379 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4380 | static void rem_slave_eqs(struct mlx4_dev *dev, int slave) |
| 4381 | { |
| 4382 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4383 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 4384 | struct list_head *eq_list = |
| 4385 | &tracker->slave_list[slave].res_list[RES_EQ]; |
| 4386 | struct res_eq *eq; |
| 4387 | struct res_eq *tmp; |
| 4388 | int err; |
| 4389 | int state; |
| 4390 | LIST_HEAD(tlist); |
| 4391 | int eqn; |
| 4392 | struct mlx4_cmd_mailbox *mailbox; |
| 4393 | |
| 4394 | err = move_all_busy(dev, slave, RES_EQ); |
| 4395 | if (err) |
| 4396 | mlx4_warn(dev, "rem_slave_eqs: Could not move all eqs to " |
| 4397 | "busy for slave %d\n", slave); |
| 4398 | |
| 4399 | spin_lock_irq(mlx4_tlock(dev)); |
| 4400 | list_for_each_entry_safe(eq, tmp, eq_list, com.list) { |
| 4401 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4402 | if (eq->com.owner == slave) { |
| 4403 | eqn = eq->com.res_id; |
| 4404 | state = eq->com.from_state; |
| 4405 | while (state != 0) { |
| 4406 | switch (state) { |
| 4407 | case RES_EQ_RESERVED: |
| 4408 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 4409 | rb_erase(&eq->com.node, |
| 4410 | &tracker->res_tree[RES_EQ]); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4411 | list_del(&eq->com.list); |
| 4412 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4413 | kfree(eq); |
| 4414 | state = 0; |
| 4415 | break; |
| 4416 | |
| 4417 | case RES_EQ_HW: |
| 4418 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
| 4419 | if (IS_ERR(mailbox)) { |
| 4420 | cond_resched(); |
| 4421 | continue; |
| 4422 | } |
| 4423 | err = mlx4_cmd_box(dev, slave, 0, |
| 4424 | eqn & 0xff, 0, |
| 4425 | MLX4_CMD_HW2SW_EQ, |
| 4426 | MLX4_CMD_TIME_CLASS_A, |
| 4427 | MLX4_CMD_NATIVE); |
Jack Morgenstein | eb71d0d | 2012-05-15 10:35:04 +0000 | [diff] [blame] | 4428 | if (err) |
| 4429 | mlx4_dbg(dev, "rem_slave_eqs: failed" |
| 4430 | " to move slave %d eqs %d to" |
| 4431 | " SW ownership\n", slave, eqn); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4432 | mlx4_free_cmd_mailbox(dev, mailbox); |
Jack Morgenstein | eb71d0d | 2012-05-15 10:35:04 +0000 | [diff] [blame] | 4433 | atomic_dec(&eq->mtt->ref_count); |
| 4434 | state = RES_EQ_RESERVED; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4435 | break; |
| 4436 | |
| 4437 | default: |
| 4438 | state = 0; |
| 4439 | } |
| 4440 | } |
| 4441 | } |
| 4442 | spin_lock_irq(mlx4_tlock(dev)); |
| 4443 | } |
| 4444 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4445 | } |
| 4446 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 4447 | static void rem_slave_counters(struct mlx4_dev *dev, int slave) |
| 4448 | { |
| 4449 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4450 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 4451 | struct list_head *counter_list = |
| 4452 | &tracker->slave_list[slave].res_list[RES_COUNTER]; |
| 4453 | struct res_counter *counter; |
| 4454 | struct res_counter *tmp; |
| 4455 | int err; |
| 4456 | int index; |
| 4457 | |
| 4458 | err = move_all_busy(dev, slave, RES_COUNTER); |
| 4459 | if (err) |
| 4460 | mlx4_warn(dev, "rem_slave_counters: Could not move all counters to " |
| 4461 | "busy for slave %d\n", slave); |
| 4462 | |
| 4463 | spin_lock_irq(mlx4_tlock(dev)); |
| 4464 | list_for_each_entry_safe(counter, tmp, counter_list, com.list) { |
| 4465 | if (counter->com.owner == slave) { |
| 4466 | index = counter->com.res_id; |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 4467 | rb_erase(&counter->com.node, |
| 4468 | &tracker->res_tree[RES_COUNTER]); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 4469 | list_del(&counter->com.list); |
| 4470 | kfree(counter); |
| 4471 | __mlx4_counter_free(dev, index); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 4472 | mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 4473 | } |
| 4474 | } |
| 4475 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4476 | } |
| 4477 | |
| 4478 | static void rem_slave_xrcdns(struct mlx4_dev *dev, int slave) |
| 4479 | { |
| 4480 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4481 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 4482 | struct list_head *xrcdn_list = |
| 4483 | &tracker->slave_list[slave].res_list[RES_XRCD]; |
| 4484 | struct res_xrcdn *xrcd; |
| 4485 | struct res_xrcdn *tmp; |
| 4486 | int err; |
| 4487 | int xrcdn; |
| 4488 | |
| 4489 | err = move_all_busy(dev, slave, RES_XRCD); |
| 4490 | if (err) |
| 4491 | mlx4_warn(dev, "rem_slave_xrcdns: Could not move all xrcdns to " |
| 4492 | "busy for slave %d\n", slave); |
| 4493 | |
| 4494 | spin_lock_irq(mlx4_tlock(dev)); |
| 4495 | list_for_each_entry_safe(xrcd, tmp, xrcdn_list, com.list) { |
| 4496 | if (xrcd->com.owner == slave) { |
| 4497 | xrcdn = xrcd->com.res_id; |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 4498 | rb_erase(&xrcd->com.node, &tracker->res_tree[RES_XRCD]); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 4499 | list_del(&xrcd->com.list); |
| 4500 | kfree(xrcd); |
| 4501 | __mlx4_xrcd_free(dev, xrcdn); |
| 4502 | } |
| 4503 | } |
| 4504 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4505 | } |
| 4506 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4507 | void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave) |
| 4508 | { |
| 4509 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4510 | |
| 4511 | mutex_lock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 4512 | rem_slave_vlans(dev, slave); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4513 | rem_slave_macs(dev, slave); |
Hadar Hen Zion | 80cb002 | 2013-03-21 05:55:52 +0000 | [diff] [blame] | 4514 | rem_slave_fs_rule(dev, slave); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4515 | rem_slave_qps(dev, slave); |
| 4516 | rem_slave_srqs(dev, slave); |
| 4517 | rem_slave_cqs(dev, slave); |
| 4518 | rem_slave_mrs(dev, slave); |
| 4519 | rem_slave_eqs(dev, slave); |
| 4520 | rem_slave_mtts(dev, slave); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 4521 | rem_slave_counters(dev, slave); |
| 4522 | rem_slave_xrcdns(dev, slave); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4523 | mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); |
| 4524 | } |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 4525 | |
| 4526 | void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work) |
| 4527 | { |
| 4528 | struct mlx4_vf_immed_vlan_work *work = |
| 4529 | container_of(_work, struct mlx4_vf_immed_vlan_work, work); |
| 4530 | struct mlx4_cmd_mailbox *mailbox; |
| 4531 | struct mlx4_update_qp_context *upd_context; |
| 4532 | struct mlx4_dev *dev = &work->priv->dev; |
| 4533 | struct mlx4_resource_tracker *tracker = |
| 4534 | &work->priv->mfunc.master.res_tracker; |
| 4535 | struct list_head *qp_list = |
| 4536 | &tracker->slave_list[work->slave].res_list[RES_QP]; |
| 4537 | struct res_qp *qp; |
| 4538 | struct res_qp *tmp; |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 4539 | u64 qp_path_mask_vlan_ctrl = |
| 4540 | ((1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_UNTAGGED) | |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 4541 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_1P) | |
| 4542 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_TAGGED) | |
| 4543 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_UNTAGGED) | |
| 4544 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_1P) | |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 4545 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_TAGGED)); |
| 4546 | |
| 4547 | u64 qp_path_mask = ((1ULL << MLX4_UPD_QP_PATH_MASK_VLAN_INDEX) | |
| 4548 | (1ULL << MLX4_UPD_QP_PATH_MASK_FVL) | |
| 4549 | (1ULL << MLX4_UPD_QP_PATH_MASK_CV) | |
| 4550 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_HIDE_CQE_VLAN) | |
| 4551 | (1ULL << MLX4_UPD_QP_PATH_MASK_FEUP) | |
| 4552 | (1ULL << MLX4_UPD_QP_PATH_MASK_FVL_RX) | |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 4553 | (1ULL << MLX4_UPD_QP_PATH_MASK_SCHED_QUEUE)); |
| 4554 | |
| 4555 | int err; |
| 4556 | int port, errors = 0; |
| 4557 | u8 vlan_control; |
| 4558 | |
| 4559 | if (mlx4_is_slave(dev)) { |
| 4560 | mlx4_warn(dev, "Trying to update-qp in slave %d\n", |
| 4561 | work->slave); |
| 4562 | goto out; |
| 4563 | } |
| 4564 | |
| 4565 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
| 4566 | if (IS_ERR(mailbox)) |
| 4567 | goto out; |
Rony Efraim | 0a6eac2 | 2013-06-27 19:05:22 +0300 | [diff] [blame] | 4568 | if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE) /* block all */ |
| 4569 | vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
| 4570 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED | |
| 4571 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED | |
| 4572 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | |
| 4573 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED | |
| 4574 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; |
| 4575 | else if (!work->vlan_id) |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 4576 | vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
| 4577 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; |
| 4578 | else |
| 4579 | vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
| 4580 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | |
| 4581 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED; |
| 4582 | |
| 4583 | upd_context = mailbox->buf; |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 4584 | upd_context->qp_mask = cpu_to_be64(MLX4_UPD_QP_MASK_VSD); |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 4585 | |
| 4586 | spin_lock_irq(mlx4_tlock(dev)); |
| 4587 | list_for_each_entry_safe(qp, tmp, qp_list, com.list) { |
| 4588 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4589 | if (qp->com.owner == work->slave) { |
| 4590 | if (qp->com.from_state != RES_QP_HW || |
| 4591 | !qp->sched_queue || /* no INIT2RTR trans yet */ |
| 4592 | mlx4_is_qp_reserved(dev, qp->local_qpn) || |
| 4593 | qp->qpc_flags & (1 << MLX4_RSS_QPC_FLAG_OFFSET)) { |
| 4594 | spin_lock_irq(mlx4_tlock(dev)); |
| 4595 | continue; |
| 4596 | } |
| 4597 | port = (qp->sched_queue >> 6 & 1) + 1; |
| 4598 | if (port != work->port) { |
| 4599 | spin_lock_irq(mlx4_tlock(dev)); |
| 4600 | continue; |
| 4601 | } |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 4602 | if (MLX4_QP_ST_RC == ((qp->qpc_flags >> 16) & 0xff)) |
| 4603 | upd_context->primary_addr_path_mask = cpu_to_be64(qp_path_mask); |
| 4604 | else |
| 4605 | upd_context->primary_addr_path_mask = |
| 4606 | cpu_to_be64(qp_path_mask | qp_path_mask_vlan_ctrl); |
| 4607 | if (work->vlan_id == MLX4_VGT) { |
| 4608 | upd_context->qp_context.param3 = qp->param3; |
| 4609 | upd_context->qp_context.pri_path.vlan_control = qp->vlan_control; |
| 4610 | upd_context->qp_context.pri_path.fvl_rx = qp->fvl_rx; |
| 4611 | upd_context->qp_context.pri_path.vlan_index = qp->vlan_index; |
| 4612 | upd_context->qp_context.pri_path.fl = qp->pri_path_fl; |
| 4613 | upd_context->qp_context.pri_path.feup = qp->feup; |
| 4614 | upd_context->qp_context.pri_path.sched_queue = |
| 4615 | qp->sched_queue; |
| 4616 | } else { |
| 4617 | upd_context->qp_context.param3 = qp->param3 & ~cpu_to_be32(MLX4_STRIP_VLAN); |
| 4618 | upd_context->qp_context.pri_path.vlan_control = vlan_control; |
| 4619 | upd_context->qp_context.pri_path.vlan_index = work->vlan_ix; |
| 4620 | upd_context->qp_context.pri_path.fvl_rx = |
| 4621 | qp->fvl_rx | MLX4_FVL_RX_FORCE_ETH_VLAN; |
| 4622 | upd_context->qp_context.pri_path.fl = |
| 4623 | qp->pri_path_fl | MLX4_FL_CV | MLX4_FL_ETH_HIDE_CQE_VLAN; |
| 4624 | upd_context->qp_context.pri_path.feup = |
| 4625 | qp->feup | MLX4_FEUP_FORCE_ETH_UP | MLX4_FVL_FORCE_ETH_VLAN; |
| 4626 | upd_context->qp_context.pri_path.sched_queue = |
| 4627 | qp->sched_queue & 0xC7; |
| 4628 | upd_context->qp_context.pri_path.sched_queue |= |
| 4629 | ((work->qos & 0x7) << 3); |
| 4630 | } |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 4631 | |
| 4632 | err = mlx4_cmd(dev, mailbox->dma, |
| 4633 | qp->local_qpn & 0xffffff, |
| 4634 | 0, MLX4_CMD_UPDATE_QP, |
| 4635 | MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); |
| 4636 | if (err) { |
| 4637 | mlx4_info(dev, "UPDATE_QP failed for slave %d, " |
| 4638 | "port %d, qpn %d (%d)\n", |
| 4639 | work->slave, port, qp->local_qpn, |
| 4640 | err); |
| 4641 | errors++; |
| 4642 | } |
| 4643 | } |
| 4644 | spin_lock_irq(mlx4_tlock(dev)); |
| 4645 | } |
| 4646 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4647 | mlx4_free_cmd_mailbox(dev, mailbox); |
| 4648 | |
| 4649 | if (errors) |
| 4650 | mlx4_err(dev, "%d UPDATE_QP failures for slave %d, port %d\n", |
| 4651 | errors, work->slave, work->port); |
| 4652 | |
| 4653 | /* unregister previous vlan_id if needed and we had no errors |
| 4654 | * while updating the QPs |
| 4655 | */ |
| 4656 | if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_VLAN && !errors && |
| 4657 | NO_INDX != work->orig_vlan_ix) |
| 4658 | __mlx4_unregister_vlan(&work->priv->dev, work->port, |
Jack Morgenstein | 2009d00 | 2013-11-03 10:03:19 +0200 | [diff] [blame] | 4659 | work->orig_vlan_id); |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 4660 | out: |
| 4661 | kfree(work); |
| 4662 | return; |
| 4663 | } |