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