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" |
Eran Ben Elisha | 62a8905 | 2015-06-15 17:59:08 +0300 | [diff] [blame] | 49 | #include "mlx4_stats.h" |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 50 | |
| 51 | #define MLX4_MAC_VALID (1ull << 63) |
Eran Ben Elisha | 9de92c6 | 2015-06-15 17:59:00 +0300 | [diff] [blame] | 52 | #define MLX4_PF_COUNTERS_PER_PORT 2 |
| 53 | #define MLX4_VF_COUNTERS_PER_PORT 1 |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 54 | |
| 55 | struct mac_res { |
| 56 | struct list_head list; |
| 57 | u64 mac; |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 58 | int ref_count; |
| 59 | u8 smac_index; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 60 | u8 port; |
| 61 | }; |
| 62 | |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 63 | struct vlan_res { |
| 64 | struct list_head list; |
| 65 | u16 vlan; |
| 66 | int ref_count; |
| 67 | int vlan_index; |
| 68 | u8 port; |
| 69 | }; |
| 70 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 71 | struct res_common { |
| 72 | struct list_head list; |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 73 | struct rb_node node; |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 74 | u64 res_id; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 75 | int owner; |
| 76 | int state; |
| 77 | int from_state; |
| 78 | int to_state; |
| 79 | int removing; |
| 80 | }; |
| 81 | |
| 82 | enum { |
| 83 | RES_ANY_BUSY = 1 |
| 84 | }; |
| 85 | |
| 86 | struct res_gid { |
| 87 | struct list_head list; |
| 88 | u8 gid[16]; |
| 89 | enum mlx4_protocol prot; |
Eugenia Emantayev | 9f5b6c6 | 2012-02-15 06:23:16 +0000 | [diff] [blame] | 90 | enum mlx4_steer_type steer; |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 91 | u64 reg_id; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 92 | }; |
| 93 | |
| 94 | enum res_qp_states { |
| 95 | RES_QP_BUSY = RES_ANY_BUSY, |
| 96 | |
| 97 | /* QP number was allocated */ |
| 98 | RES_QP_RESERVED, |
| 99 | |
| 100 | /* ICM memory for QP context was mapped */ |
| 101 | RES_QP_MAPPED, |
| 102 | |
| 103 | /* QP is in hw ownership */ |
| 104 | RES_QP_HW |
| 105 | }; |
| 106 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 107 | struct res_qp { |
| 108 | struct res_common com; |
| 109 | struct res_mtt *mtt; |
| 110 | struct res_cq *rcq; |
| 111 | struct res_cq *scq; |
| 112 | struct res_srq *srq; |
| 113 | struct list_head mcg_list; |
| 114 | spinlock_t mcg_spl; |
| 115 | int local_qpn; |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 116 | atomic_t ref_count; |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 117 | u32 qpc_flags; |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 118 | /* saved qp params before VST enforcement in order to restore on VGT */ |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 119 | u8 sched_queue; |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 120 | __be32 param3; |
| 121 | u8 vlan_control; |
| 122 | u8 fvl_rx; |
| 123 | u8 pri_path_fl; |
| 124 | u8 vlan_index; |
| 125 | u8 feup; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 126 | }; |
| 127 | |
| 128 | enum res_mtt_states { |
| 129 | RES_MTT_BUSY = RES_ANY_BUSY, |
| 130 | RES_MTT_ALLOCATED, |
| 131 | }; |
| 132 | |
| 133 | static inline const char *mtt_states_str(enum res_mtt_states state) |
| 134 | { |
| 135 | switch (state) { |
| 136 | case RES_MTT_BUSY: return "RES_MTT_BUSY"; |
| 137 | case RES_MTT_ALLOCATED: return "RES_MTT_ALLOCATED"; |
| 138 | default: return "Unknown"; |
| 139 | } |
| 140 | } |
| 141 | |
| 142 | struct res_mtt { |
| 143 | struct res_common com; |
| 144 | int order; |
| 145 | atomic_t ref_count; |
| 146 | }; |
| 147 | |
| 148 | enum res_mpt_states { |
| 149 | RES_MPT_BUSY = RES_ANY_BUSY, |
| 150 | RES_MPT_RESERVED, |
| 151 | RES_MPT_MAPPED, |
| 152 | RES_MPT_HW, |
| 153 | }; |
| 154 | |
| 155 | struct res_mpt { |
| 156 | struct res_common com; |
| 157 | struct res_mtt *mtt; |
| 158 | int key; |
| 159 | }; |
| 160 | |
| 161 | enum res_eq_states { |
| 162 | RES_EQ_BUSY = RES_ANY_BUSY, |
| 163 | RES_EQ_RESERVED, |
| 164 | RES_EQ_HW, |
| 165 | }; |
| 166 | |
| 167 | struct res_eq { |
| 168 | struct res_common com; |
| 169 | struct res_mtt *mtt; |
| 170 | }; |
| 171 | |
| 172 | enum res_cq_states { |
| 173 | RES_CQ_BUSY = RES_ANY_BUSY, |
| 174 | RES_CQ_ALLOCATED, |
| 175 | RES_CQ_HW, |
| 176 | }; |
| 177 | |
| 178 | struct res_cq { |
| 179 | struct res_common com; |
| 180 | struct res_mtt *mtt; |
| 181 | atomic_t ref_count; |
| 182 | }; |
| 183 | |
| 184 | enum res_srq_states { |
| 185 | RES_SRQ_BUSY = RES_ANY_BUSY, |
| 186 | RES_SRQ_ALLOCATED, |
| 187 | RES_SRQ_HW, |
| 188 | }; |
| 189 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 190 | struct res_srq { |
| 191 | struct res_common com; |
| 192 | struct res_mtt *mtt; |
| 193 | struct res_cq *cq; |
| 194 | atomic_t ref_count; |
| 195 | }; |
| 196 | |
| 197 | enum res_counter_states { |
| 198 | RES_COUNTER_BUSY = RES_ANY_BUSY, |
| 199 | RES_COUNTER_ALLOCATED, |
| 200 | }; |
| 201 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 202 | struct res_counter { |
| 203 | struct res_common com; |
| 204 | int port; |
| 205 | }; |
| 206 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 207 | enum res_xrcdn_states { |
| 208 | RES_XRCD_BUSY = RES_ANY_BUSY, |
| 209 | RES_XRCD_ALLOCATED, |
| 210 | }; |
| 211 | |
| 212 | struct res_xrcdn { |
| 213 | struct res_common com; |
| 214 | int port; |
| 215 | }; |
| 216 | |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 217 | enum res_fs_rule_states { |
| 218 | RES_FS_RULE_BUSY = RES_ANY_BUSY, |
| 219 | RES_FS_RULE_ALLOCATED, |
| 220 | }; |
| 221 | |
| 222 | struct res_fs_rule { |
| 223 | struct res_common com; |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 224 | int qpn; |
Moni Shoua | 78efed27 | 2015-12-06 18:07:40 +0200 | [diff] [blame] | 225 | /* VF DMFS mbox with port flipped */ |
| 226 | void *mirr_mbox; |
| 227 | /* > 0 --> apply mirror when getting into HA mode */ |
| 228 | /* = 0 --> un-apply mirror when getting out of HA mode */ |
| 229 | u32 mirr_mbox_size; |
| 230 | struct list_head mirr_list; |
| 231 | u64 mirr_rule_id; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 232 | }; |
| 233 | |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 234 | static void *res_tracker_lookup(struct rb_root *root, u64 res_id) |
| 235 | { |
| 236 | struct rb_node *node = root->rb_node; |
| 237 | |
| 238 | while (node) { |
| 239 | struct res_common *res = container_of(node, struct res_common, |
| 240 | node); |
| 241 | |
| 242 | if (res_id < res->res_id) |
| 243 | node = node->rb_left; |
| 244 | else if (res_id > res->res_id) |
| 245 | node = node->rb_right; |
| 246 | else |
| 247 | return res; |
| 248 | } |
| 249 | return NULL; |
| 250 | } |
| 251 | |
| 252 | static int res_tracker_insert(struct rb_root *root, struct res_common *res) |
| 253 | { |
| 254 | struct rb_node **new = &(root->rb_node), *parent = NULL; |
| 255 | |
| 256 | /* Figure out where to put new node */ |
| 257 | while (*new) { |
| 258 | struct res_common *this = container_of(*new, struct res_common, |
| 259 | node); |
| 260 | |
| 261 | parent = *new; |
| 262 | if (res->res_id < this->res_id) |
| 263 | new = &((*new)->rb_left); |
| 264 | else if (res->res_id > this->res_id) |
| 265 | new = &((*new)->rb_right); |
| 266 | else |
| 267 | return -EEXIST; |
| 268 | } |
| 269 | |
| 270 | /* Add new node and rebalance tree. */ |
| 271 | rb_link_node(&res->node, parent, new); |
| 272 | rb_insert_color(&res->node, root); |
| 273 | |
| 274 | return 0; |
| 275 | } |
| 276 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 277 | enum qp_transition { |
| 278 | QP_TRANS_INIT2RTR, |
| 279 | QP_TRANS_RTR2RTS, |
| 280 | QP_TRANS_RTS2RTS, |
| 281 | QP_TRANS_SQERR2RTS, |
| 282 | QP_TRANS_SQD2SQD, |
| 283 | QP_TRANS_SQD2RTS |
| 284 | }; |
| 285 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 286 | /* For Debug uses */ |
Jack Morgenstein | 95646373 | 2014-06-08 13:49:45 +0300 | [diff] [blame] | 287 | static const char *resource_str(enum mlx4_resource rt) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 288 | { |
| 289 | switch (rt) { |
| 290 | case RES_QP: return "RES_QP"; |
| 291 | case RES_CQ: return "RES_CQ"; |
| 292 | case RES_SRQ: return "RES_SRQ"; |
| 293 | case RES_MPT: return "RES_MPT"; |
| 294 | case RES_MTT: return "RES_MTT"; |
| 295 | case RES_MAC: return "RES_MAC"; |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 296 | case RES_VLAN: return "RES_VLAN"; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 297 | case RES_EQ: return "RES_EQ"; |
| 298 | case RES_COUNTER: return "RES_COUNTER"; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 299 | case RES_FS_RULE: return "RES_FS_RULE"; |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 300 | case RES_XRCD: return "RES_XRCD"; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 301 | default: return "Unknown resource type !!!"; |
| 302 | }; |
| 303 | } |
| 304 | |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 305 | static void rem_slave_vlans(struct mlx4_dev *dev, int slave); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 306 | static inline int mlx4_grant_resource(struct mlx4_dev *dev, int slave, |
| 307 | enum mlx4_resource res_type, int count, |
| 308 | int port) |
| 309 | { |
| 310 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 311 | struct resource_allocator *res_alloc = |
| 312 | &priv->mfunc.master.res_tracker.res_alloc[res_type]; |
| 313 | int err = -EINVAL; |
| 314 | int allocated, free, reserved, guaranteed, from_free; |
Jack Morgenstein | 95646373 | 2014-06-08 13:49:45 +0300 | [diff] [blame] | 315 | int from_rsvd; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 316 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 317 | if (slave > dev->persist->num_vfs) |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 318 | return -EINVAL; |
| 319 | |
| 320 | spin_lock(&res_alloc->alloc_lock); |
| 321 | allocated = (port > 0) ? |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 322 | res_alloc->allocated[(port - 1) * |
| 323 | (dev->persist->num_vfs + 1) + slave] : |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 324 | res_alloc->allocated[slave]; |
| 325 | free = (port > 0) ? res_alloc->res_port_free[port - 1] : |
| 326 | res_alloc->res_free; |
| 327 | reserved = (port > 0) ? res_alloc->res_port_rsvd[port - 1] : |
| 328 | res_alloc->res_reserved; |
| 329 | guaranteed = res_alloc->guaranteed[slave]; |
| 330 | |
Jack Morgenstein | 95646373 | 2014-06-08 13:49:45 +0300 | [diff] [blame] | 331 | if (allocated + count > res_alloc->quota[slave]) { |
| 332 | mlx4_warn(dev, "VF %d port %d res %s: quota exceeded, count %d alloc %d quota %d\n", |
| 333 | slave, port, resource_str(res_type), count, |
| 334 | allocated, res_alloc->quota[slave]); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 335 | goto out; |
Jack Morgenstein | 95646373 | 2014-06-08 13:49:45 +0300 | [diff] [blame] | 336 | } |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 337 | |
| 338 | if (allocated + count <= guaranteed) { |
| 339 | err = 0; |
Jack Morgenstein | 95646373 | 2014-06-08 13:49:45 +0300 | [diff] [blame] | 340 | from_rsvd = count; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 341 | } else { |
| 342 | /* portion may need to be obtained from free area */ |
| 343 | if (guaranteed - allocated > 0) |
| 344 | from_free = count - (guaranteed - allocated); |
| 345 | else |
| 346 | from_free = count; |
| 347 | |
Jack Morgenstein | 95646373 | 2014-06-08 13:49:45 +0300 | [diff] [blame] | 348 | from_rsvd = count - from_free; |
| 349 | |
| 350 | if (free - from_free >= reserved) |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 351 | err = 0; |
Jack Morgenstein | 95646373 | 2014-06-08 13:49:45 +0300 | [diff] [blame] | 352 | else |
| 353 | mlx4_warn(dev, "VF %d port %d res %s: free pool empty, free %d from_free %d rsvd %d\n", |
| 354 | slave, port, resource_str(res_type), free, |
| 355 | from_free, reserved); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 356 | } |
| 357 | |
| 358 | if (!err) { |
| 359 | /* grant the request */ |
| 360 | if (port > 0) { |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 361 | res_alloc->allocated[(port - 1) * |
| 362 | (dev->persist->num_vfs + 1) + slave] += count; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 363 | res_alloc->res_port_free[port - 1] -= count; |
Jack Morgenstein | 95646373 | 2014-06-08 13:49:45 +0300 | [diff] [blame] | 364 | res_alloc->res_port_rsvd[port - 1] -= from_rsvd; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 365 | } else { |
| 366 | res_alloc->allocated[slave] += count; |
| 367 | res_alloc->res_free -= count; |
Jack Morgenstein | 95646373 | 2014-06-08 13:49:45 +0300 | [diff] [blame] | 368 | res_alloc->res_reserved -= from_rsvd; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 369 | } |
| 370 | } |
| 371 | |
| 372 | out: |
| 373 | spin_unlock(&res_alloc->alloc_lock); |
| 374 | return err; |
| 375 | } |
| 376 | |
| 377 | static inline void mlx4_release_resource(struct mlx4_dev *dev, int slave, |
| 378 | enum mlx4_resource res_type, int count, |
| 379 | int port) |
| 380 | { |
| 381 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 382 | struct resource_allocator *res_alloc = |
| 383 | &priv->mfunc.master.res_tracker.res_alloc[res_type]; |
Jack Morgenstein | 95646373 | 2014-06-08 13:49:45 +0300 | [diff] [blame] | 384 | int allocated, guaranteed, from_rsvd; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 385 | |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 386 | if (slave > dev->persist->num_vfs) |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 387 | return; |
| 388 | |
| 389 | spin_lock(&res_alloc->alloc_lock); |
Jack Morgenstein | 95646373 | 2014-06-08 13:49:45 +0300 | [diff] [blame] | 390 | |
| 391 | allocated = (port > 0) ? |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 392 | res_alloc->allocated[(port - 1) * |
| 393 | (dev->persist->num_vfs + 1) + slave] : |
Jack Morgenstein | 95646373 | 2014-06-08 13:49:45 +0300 | [diff] [blame] | 394 | res_alloc->allocated[slave]; |
| 395 | guaranteed = res_alloc->guaranteed[slave]; |
| 396 | |
| 397 | if (allocated - count >= guaranteed) { |
| 398 | from_rsvd = 0; |
| 399 | } else { |
| 400 | /* portion may need to be returned to reserved area */ |
| 401 | if (allocated - guaranteed > 0) |
| 402 | from_rsvd = count - (allocated - guaranteed); |
| 403 | else |
| 404 | from_rsvd = count; |
| 405 | } |
| 406 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 407 | if (port > 0) { |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 408 | res_alloc->allocated[(port - 1) * |
| 409 | (dev->persist->num_vfs + 1) + slave] -= count; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 410 | res_alloc->res_port_free[port - 1] += count; |
Jack Morgenstein | 95646373 | 2014-06-08 13:49:45 +0300 | [diff] [blame] | 411 | res_alloc->res_port_rsvd[port - 1] += from_rsvd; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 412 | } else { |
| 413 | res_alloc->allocated[slave] -= count; |
| 414 | res_alloc->res_free += count; |
Jack Morgenstein | 95646373 | 2014-06-08 13:49:45 +0300 | [diff] [blame] | 415 | res_alloc->res_reserved += from_rsvd; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 416 | } |
| 417 | |
| 418 | spin_unlock(&res_alloc->alloc_lock); |
| 419 | return; |
| 420 | } |
| 421 | |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 422 | static inline void initialize_res_quotas(struct mlx4_dev *dev, |
| 423 | struct resource_allocator *res_alloc, |
| 424 | enum mlx4_resource res_type, |
| 425 | int vf, int num_instances) |
| 426 | { |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 427 | res_alloc->guaranteed[vf] = num_instances / |
| 428 | (2 * (dev->persist->num_vfs + 1)); |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 429 | res_alloc->quota[vf] = (num_instances / 2) + res_alloc->guaranteed[vf]; |
| 430 | if (vf == mlx4_master_func_num(dev)) { |
| 431 | res_alloc->res_free = num_instances; |
| 432 | if (res_type == RES_MTT) { |
| 433 | /* reserved mtts will be taken out of the PF allocation */ |
| 434 | res_alloc->res_free += dev->caps.reserved_mtts; |
| 435 | res_alloc->guaranteed[vf] += dev->caps.reserved_mtts; |
| 436 | res_alloc->quota[vf] += dev->caps.reserved_mtts; |
| 437 | } |
| 438 | } |
| 439 | } |
| 440 | |
| 441 | void mlx4_init_quotas(struct mlx4_dev *dev) |
| 442 | { |
| 443 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 444 | int pf; |
| 445 | |
| 446 | /* quotas for VFs are initialized in mlx4_slave_cap */ |
| 447 | if (mlx4_is_slave(dev)) |
| 448 | return; |
| 449 | |
| 450 | if (!mlx4_is_mfunc(dev)) { |
| 451 | dev->quotas.qp = dev->caps.num_qps - dev->caps.reserved_qps - |
| 452 | mlx4_num_reserved_sqps(dev); |
| 453 | dev->quotas.cq = dev->caps.num_cqs - dev->caps.reserved_cqs; |
| 454 | dev->quotas.srq = dev->caps.num_srqs - dev->caps.reserved_srqs; |
| 455 | dev->quotas.mtt = dev->caps.num_mtts - dev->caps.reserved_mtts; |
| 456 | dev->quotas.mpt = dev->caps.num_mpts - dev->caps.reserved_mrws; |
| 457 | return; |
| 458 | } |
| 459 | |
| 460 | pf = mlx4_master_func_num(dev); |
| 461 | dev->quotas.qp = |
| 462 | priv->mfunc.master.res_tracker.res_alloc[RES_QP].quota[pf]; |
| 463 | dev->quotas.cq = |
| 464 | priv->mfunc.master.res_tracker.res_alloc[RES_CQ].quota[pf]; |
| 465 | dev->quotas.srq = |
| 466 | priv->mfunc.master.res_tracker.res_alloc[RES_SRQ].quota[pf]; |
| 467 | dev->quotas.mtt = |
| 468 | priv->mfunc.master.res_tracker.res_alloc[RES_MTT].quota[pf]; |
| 469 | dev->quotas.mpt = |
| 470 | priv->mfunc.master.res_tracker.res_alloc[RES_MPT].quota[pf]; |
| 471 | } |
Eran Ben Elisha | 9de92c6 | 2015-06-15 17:59:00 +0300 | [diff] [blame] | 472 | |
| 473 | static int get_max_gauranteed_vfs_counter(struct mlx4_dev *dev) |
| 474 | { |
| 475 | /* reduce the sink counter */ |
| 476 | return (dev->caps.max_counters - 1 - |
| 477 | (MLX4_PF_COUNTERS_PER_PORT * MLX4_MAX_PORTS)) |
| 478 | / MLX4_MAX_PORTS; |
| 479 | } |
| 480 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 481 | int mlx4_init_resource_tracker(struct mlx4_dev *dev) |
| 482 | { |
| 483 | struct mlx4_priv *priv = mlx4_priv(dev); |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 484 | int i, j; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 485 | int t; |
Eran Ben Elisha | 9de92c6 | 2015-06-15 17:59:00 +0300 | [diff] [blame] | 486 | int max_vfs_guarantee_counter = get_max_gauranteed_vfs_counter(dev); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 487 | |
| 488 | priv->mfunc.master.res_tracker.slave_list = |
| 489 | kzalloc(dev->num_slaves * sizeof(struct slave_list), |
| 490 | GFP_KERNEL); |
| 491 | if (!priv->mfunc.master.res_tracker.slave_list) |
| 492 | return -ENOMEM; |
| 493 | |
| 494 | for (i = 0 ; i < dev->num_slaves; i++) { |
| 495 | for (t = 0; t < MLX4_NUM_OF_RESOURCE_TYPE; ++t) |
| 496 | INIT_LIST_HEAD(&priv->mfunc.master.res_tracker. |
| 497 | slave_list[i].res_list[t]); |
| 498 | mutex_init(&priv->mfunc.master.res_tracker.slave_list[i].mutex); |
| 499 | } |
| 500 | |
| 501 | mlx4_dbg(dev, "Started init_resource_tracker: %ld slaves\n", |
| 502 | dev->num_slaves); |
| 503 | for (i = 0 ; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 504 | priv->mfunc.master.res_tracker.res_tree[i] = RB_ROOT; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 505 | |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 506 | for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) { |
| 507 | struct resource_allocator *res_alloc = |
| 508 | &priv->mfunc.master.res_tracker.res_alloc[i]; |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 509 | res_alloc->quota = kmalloc((dev->persist->num_vfs + 1) * |
| 510 | sizeof(int), GFP_KERNEL); |
| 511 | res_alloc->guaranteed = kmalloc((dev->persist->num_vfs + 1) * |
| 512 | sizeof(int), GFP_KERNEL); |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 513 | if (i == RES_MAC || i == RES_VLAN) |
| 514 | res_alloc->allocated = kzalloc(MLX4_MAX_PORTS * |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 515 | (dev->persist->num_vfs |
| 516 | + 1) * |
| 517 | sizeof(int), GFP_KERNEL); |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 518 | else |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 519 | res_alloc->allocated = kzalloc((dev->persist-> |
| 520 | num_vfs + 1) * |
| 521 | sizeof(int), GFP_KERNEL); |
Eran Ben Elisha | 9de92c6 | 2015-06-15 17:59:00 +0300 | [diff] [blame] | 522 | /* Reduce the sink counter */ |
| 523 | if (i == RES_COUNTER) |
| 524 | res_alloc->res_free = dev->caps.max_counters - 1; |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 525 | |
| 526 | if (!res_alloc->quota || !res_alloc->guaranteed || |
| 527 | !res_alloc->allocated) |
| 528 | goto no_mem_err; |
| 529 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 530 | spin_lock_init(&res_alloc->alloc_lock); |
Yishai Hadas | 872bf2f | 2015-01-25 16:59:35 +0200 | [diff] [blame] | 531 | for (t = 0; t < dev->persist->num_vfs + 1; t++) { |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 532 | struct mlx4_active_ports actv_ports = |
| 533 | mlx4_get_active_ports(dev, t); |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 534 | switch (i) { |
| 535 | case RES_QP: |
| 536 | initialize_res_quotas(dev, res_alloc, RES_QP, |
| 537 | t, dev->caps.num_qps - |
| 538 | dev->caps.reserved_qps - |
| 539 | mlx4_num_reserved_sqps(dev)); |
| 540 | break; |
| 541 | case RES_CQ: |
| 542 | initialize_res_quotas(dev, res_alloc, RES_CQ, |
| 543 | t, dev->caps.num_cqs - |
| 544 | dev->caps.reserved_cqs); |
| 545 | break; |
| 546 | case RES_SRQ: |
| 547 | initialize_res_quotas(dev, res_alloc, RES_SRQ, |
| 548 | t, dev->caps.num_srqs - |
| 549 | dev->caps.reserved_srqs); |
| 550 | break; |
| 551 | case RES_MPT: |
| 552 | initialize_res_quotas(dev, res_alloc, RES_MPT, |
| 553 | t, dev->caps.num_mpts - |
| 554 | dev->caps.reserved_mrws); |
| 555 | break; |
| 556 | case RES_MTT: |
| 557 | initialize_res_quotas(dev, res_alloc, RES_MTT, |
| 558 | t, dev->caps.num_mtts - |
| 559 | dev->caps.reserved_mtts); |
| 560 | break; |
| 561 | case RES_MAC: |
| 562 | if (t == mlx4_master_func_num(dev)) { |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 563 | int max_vfs_pport = 0; |
| 564 | /* Calculate the max vfs per port for */ |
| 565 | /* both ports. */ |
| 566 | for (j = 0; j < dev->caps.num_ports; |
| 567 | j++) { |
| 568 | struct mlx4_slaves_pport slaves_pport = |
| 569 | mlx4_phys_to_slaves_pport(dev, j + 1); |
| 570 | unsigned current_slaves = |
| 571 | bitmap_weight(slaves_pport.slaves, |
| 572 | dev->caps.num_ports) - 1; |
| 573 | if (max_vfs_pport < current_slaves) |
| 574 | max_vfs_pport = |
| 575 | current_slaves; |
| 576 | } |
| 577 | res_alloc->quota[t] = |
| 578 | MLX4_MAX_MAC_NUM - |
| 579 | 2 * max_vfs_pport; |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 580 | res_alloc->guaranteed[t] = 2; |
| 581 | for (j = 0; j < MLX4_MAX_PORTS; j++) |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 582 | res_alloc->res_port_free[j] = |
| 583 | MLX4_MAX_MAC_NUM; |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 584 | } else { |
| 585 | res_alloc->quota[t] = MLX4_MAX_MAC_NUM; |
| 586 | res_alloc->guaranteed[t] = 2; |
| 587 | } |
| 588 | break; |
| 589 | case RES_VLAN: |
| 590 | if (t == mlx4_master_func_num(dev)) { |
| 591 | res_alloc->quota[t] = MLX4_MAX_VLAN_NUM; |
| 592 | res_alloc->guaranteed[t] = MLX4_MAX_VLAN_NUM / 2; |
| 593 | for (j = 0; j < MLX4_MAX_PORTS; j++) |
| 594 | res_alloc->res_port_free[j] = |
| 595 | res_alloc->quota[t]; |
| 596 | } else { |
| 597 | res_alloc->quota[t] = MLX4_MAX_VLAN_NUM / 2; |
| 598 | res_alloc->guaranteed[t] = 0; |
| 599 | } |
| 600 | break; |
| 601 | case RES_COUNTER: |
| 602 | res_alloc->quota[t] = dev->caps.max_counters; |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 603 | if (t == mlx4_master_func_num(dev)) |
Eran Ben Elisha | 9de92c6 | 2015-06-15 17:59:00 +0300 | [diff] [blame] | 604 | res_alloc->guaranteed[t] = |
| 605 | MLX4_PF_COUNTERS_PER_PORT * |
| 606 | MLX4_MAX_PORTS; |
| 607 | else if (t <= max_vfs_guarantee_counter) |
| 608 | res_alloc->guaranteed[t] = |
| 609 | MLX4_VF_COUNTERS_PER_PORT * |
| 610 | MLX4_MAX_PORTS; |
| 611 | else |
| 612 | res_alloc->guaranteed[t] = 0; |
| 613 | res_alloc->res_free -= res_alloc->guaranteed[t]; |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 614 | break; |
| 615 | default: |
| 616 | break; |
| 617 | } |
| 618 | if (i == RES_MAC || i == RES_VLAN) { |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 619 | for (j = 0; j < dev->caps.num_ports; j++) |
| 620 | if (test_bit(j, actv_ports.ports)) |
| 621 | res_alloc->res_port_rsvd[j] += |
| 622 | res_alloc->guaranteed[t]; |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 623 | } else { |
| 624 | res_alloc->res_reserved += res_alloc->guaranteed[t]; |
| 625 | } |
| 626 | } |
| 627 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 628 | spin_lock_init(&priv->mfunc.master.res_tracker.lock); |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 629 | return 0; |
| 630 | |
| 631 | no_mem_err: |
| 632 | for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) { |
| 633 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].allocated); |
| 634 | priv->mfunc.master.res_tracker.res_alloc[i].allocated = NULL; |
| 635 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].guaranteed); |
| 636 | priv->mfunc.master.res_tracker.res_alloc[i].guaranteed = NULL; |
| 637 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].quota); |
| 638 | priv->mfunc.master.res_tracker.res_alloc[i].quota = NULL; |
| 639 | } |
| 640 | return -ENOMEM; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 641 | } |
| 642 | |
Jack Morgenstein | b892495 | 2012-05-15 10:35:02 +0000 | [diff] [blame] | 643 | void mlx4_free_resource_tracker(struct mlx4_dev *dev, |
| 644 | enum mlx4_res_tracker_free_type type) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 645 | { |
| 646 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 647 | int i; |
| 648 | |
| 649 | if (priv->mfunc.master.res_tracker.slave_list) { |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 650 | if (type != RES_TR_FREE_STRUCTS_ONLY) { |
| 651 | for (i = 0; i < dev->num_slaves; i++) { |
Jack Morgenstein | b892495 | 2012-05-15 10:35:02 +0000 | [diff] [blame] | 652 | if (type == RES_TR_FREE_ALL || |
| 653 | dev->caps.function != i) |
| 654 | mlx4_delete_all_resources_for_slave(dev, i); |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 655 | } |
| 656 | /* free master's vlans */ |
| 657 | i = dev->caps.function; |
Jack Morgenstein | 111c609 | 2014-05-27 09:26:38 +0300 | [diff] [blame] | 658 | mlx4_reset_roce_gids(dev, i); |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 659 | mutex_lock(&priv->mfunc.master.res_tracker.slave_list[i].mutex); |
| 660 | rem_slave_vlans(dev, i); |
| 661 | mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[i].mutex); |
| 662 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 663 | |
Jack Morgenstein | b892495 | 2012-05-15 10:35:02 +0000 | [diff] [blame] | 664 | if (type != RES_TR_FREE_SLAVES_ONLY) { |
Jack Morgenstein | 5a0d0a6 | 2013-11-03 10:03:23 +0200 | [diff] [blame] | 665 | for (i = 0; i < MLX4_NUM_OF_RESOURCE_TYPE; i++) { |
| 666 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].allocated); |
| 667 | priv->mfunc.master.res_tracker.res_alloc[i].allocated = NULL; |
| 668 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].guaranteed); |
| 669 | priv->mfunc.master.res_tracker.res_alloc[i].guaranteed = NULL; |
| 670 | kfree(priv->mfunc.master.res_tracker.res_alloc[i].quota); |
| 671 | priv->mfunc.master.res_tracker.res_alloc[i].quota = NULL; |
| 672 | } |
Jack Morgenstein | b892495 | 2012-05-15 10:35:02 +0000 | [diff] [blame] | 673 | kfree(priv->mfunc.master.res_tracker.slave_list); |
| 674 | priv->mfunc.master.res_tracker.slave_list = NULL; |
| 675 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 676 | } |
| 677 | } |
| 678 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 679 | static void update_pkey_index(struct mlx4_dev *dev, int slave, |
| 680 | struct mlx4_cmd_mailbox *inbox) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 681 | { |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 682 | u8 sched = *(u8 *)(inbox->buf + 64); |
| 683 | u8 orig_index = *(u8 *)(inbox->buf + 35); |
| 684 | u8 new_index; |
| 685 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 686 | int port; |
| 687 | |
| 688 | port = (sched >> 6 & 1) + 1; |
| 689 | |
| 690 | new_index = priv->virt2phys_pkey[slave][port - 1][orig_index]; |
| 691 | *(u8 *)(inbox->buf + 35) = new_index; |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 692 | } |
| 693 | |
| 694 | static void update_gid(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *inbox, |
| 695 | u8 slave) |
| 696 | { |
| 697 | struct mlx4_qp_context *qp_ctx = inbox->buf + 8; |
| 698 | enum mlx4_qp_optpar optpar = be32_to_cpu(*(__be32 *) inbox->buf); |
| 699 | u32 ts = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff; |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 700 | int port; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 701 | |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 702 | if (MLX4_QP_ST_UD == ts) { |
| 703 | port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; |
| 704 | if (mlx4_is_eth(dev, port)) |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 705 | qp_ctx->pri_path.mgid_index = |
| 706 | mlx4_get_base_gid_ix(dev, slave, port) | 0x80; |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 707 | else |
| 708 | qp_ctx->pri_path.mgid_index = slave | 0x80; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 709 | |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 710 | } else if (MLX4_QP_ST_RC == ts || MLX4_QP_ST_XRC == ts || MLX4_QP_ST_UC == ts) { |
| 711 | if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH) { |
| 712 | port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; |
| 713 | if (mlx4_is_eth(dev, port)) { |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 714 | qp_ctx->pri_path.mgid_index += |
| 715 | mlx4_get_base_gid_ix(dev, slave, port); |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 716 | qp_ctx->pri_path.mgid_index &= 0x7f; |
| 717 | } else { |
| 718 | qp_ctx->pri_path.mgid_index = slave & 0x7F; |
| 719 | } |
| 720 | } |
| 721 | if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) { |
| 722 | port = (qp_ctx->alt_path.sched_queue >> 6 & 1) + 1; |
| 723 | if (mlx4_is_eth(dev, port)) { |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 724 | qp_ctx->alt_path.mgid_index += |
| 725 | mlx4_get_base_gid_ix(dev, slave, port); |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 726 | qp_ctx->alt_path.mgid_index &= 0x7f; |
| 727 | } else { |
| 728 | qp_ctx->alt_path.mgid_index = slave & 0x7F; |
| 729 | } |
| 730 | } |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 731 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 732 | } |
| 733 | |
Eran Ben Elisha | 6823024 | 2015-06-15 17:59:01 +0300 | [diff] [blame] | 734 | static int handle_counter(struct mlx4_dev *dev, struct mlx4_qp_context *qpc, |
| 735 | u8 slave, int port); |
| 736 | |
Rony Efraim | 3f7fb02 | 2013-04-25 05:22:28 +0000 | [diff] [blame] | 737 | static int update_vport_qp_param(struct mlx4_dev *dev, |
| 738 | struct mlx4_cmd_mailbox *inbox, |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 739 | u8 slave, u32 qpn) |
Rony Efraim | 3f7fb02 | 2013-04-25 05:22:28 +0000 | [diff] [blame] | 740 | { |
| 741 | struct mlx4_qp_context *qpc = inbox->buf + 8; |
| 742 | struct mlx4_vport_oper_state *vp_oper; |
| 743 | struct mlx4_priv *priv; |
Matan Barak | 09e05c3 | 2014-09-10 16:41:56 +0300 | [diff] [blame] | 744 | u32 qp_type; |
Or Gerlitz | f5956fa | 2015-03-02 18:22:15 +0200 | [diff] [blame] | 745 | int port, err = 0; |
Rony Efraim | 3f7fb02 | 2013-04-25 05:22:28 +0000 | [diff] [blame] | 746 | |
| 747 | port = (qpc->pri_path.sched_queue & 0x40) ? 2 : 1; |
| 748 | priv = mlx4_priv(dev); |
| 749 | vp_oper = &priv->mfunc.master.vf_oper[slave].vport[port]; |
Matan Barak | 09e05c3 | 2014-09-10 16:41:56 +0300 | [diff] [blame] | 750 | qp_type = (be32_to_cpu(qpc->flags) >> 16) & 0xff; |
Rony Efraim | 3f7fb02 | 2013-04-25 05:22:28 +0000 | [diff] [blame] | 751 | |
Eran Ben Elisha | 6823024 | 2015-06-15 17:59:01 +0300 | [diff] [blame] | 752 | err = handle_counter(dev, qpc, slave, port); |
| 753 | if (err) |
| 754 | goto out; |
| 755 | |
Rony Efraim | 3f7fb02 | 2013-04-25 05:22:28 +0000 | [diff] [blame] | 756 | if (MLX4_VGT != vp_oper->state.default_vlan) { |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 757 | /* the reserved QPs (special, proxy, tunnel) |
| 758 | * do not operate over vlans |
| 759 | */ |
| 760 | if (mlx4_is_qp_reserved(dev, qpn)) |
| 761 | return 0; |
| 762 | |
Matan Barak | 09e05c3 | 2014-09-10 16:41:56 +0300 | [diff] [blame] | 763 | /* force strip vlan by clear vsd, MLX QP refers to Raw Ethernet */ |
| 764 | if (qp_type == MLX4_QP_ST_UD || |
| 765 | (qp_type == MLX4_QP_ST_MLX && mlx4_is_eth(dev, port))) { |
| 766 | if (dev->caps.bmme_flags & MLX4_BMME_FLAG_VSD_INIT2RTR) { |
| 767 | *(__be32 *)inbox->buf = |
| 768 | cpu_to_be32(be32_to_cpu(*(__be32 *)inbox->buf) | |
| 769 | MLX4_QP_OPTPAR_VLAN_STRIPPING); |
| 770 | qpc->param3 &= ~cpu_to_be32(MLX4_STRIP_VLAN); |
| 771 | } else { |
| 772 | struct mlx4_update_qp_params params = {.flags = 0}; |
| 773 | |
Or Gerlitz | f5956fa | 2015-03-02 18:22:15 +0200 | [diff] [blame] | 774 | err = mlx4_update_qp(dev, qpn, MLX4_UPDATE_QP_VSD, ¶ms); |
| 775 | if (err) |
| 776 | goto out; |
Matan Barak | 09e05c3 | 2014-09-10 16:41:56 +0300 | [diff] [blame] | 777 | } |
| 778 | } |
Rony Efraim | 0a6eac2 | 2013-06-27 19:05:22 +0300 | [diff] [blame] | 779 | |
Maor Gottlieb | 9a89283 | 2015-10-15 14:44:38 +0300 | [diff] [blame] | 780 | /* preserve IF_COUNTER flag */ |
| 781 | qpc->pri_path.vlan_control &= |
| 782 | MLX4_CTRL_ETH_SRC_CHECK_IF_COUNTER; |
Rony Efraim | 0a6eac2 | 2013-06-27 19:05:22 +0300 | [diff] [blame] | 783 | if (vp_oper->state.link_state == IFLA_VF_LINK_STATE_DISABLE && |
| 784 | dev->caps.flags2 & MLX4_DEV_CAP_FLAG2_UPDATE_QP) { |
Maor Gottlieb | 9a89283 | 2015-10-15 14:44:38 +0300 | [diff] [blame] | 785 | qpc->pri_path.vlan_control |= |
Rony Efraim | 0a6eac2 | 2013-06-27 19:05:22 +0300 | [diff] [blame] | 786 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
| 787 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED | |
| 788 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED | |
| 789 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | |
| 790 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED | |
| 791 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; |
| 792 | } else if (0 != vp_oper->state.default_vlan) { |
Maor Gottlieb | 9a89283 | 2015-10-15 14:44:38 +0300 | [diff] [blame] | 793 | qpc->pri_path.vlan_control |= |
Rony Efraim | 7677fc9 | 2013-05-08 22:22:35 +0000 | [diff] [blame] | 794 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
| 795 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | |
| 796 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED; |
| 797 | } else { /* priority tagged */ |
Maor Gottlieb | 9a89283 | 2015-10-15 14:44:38 +0300 | [diff] [blame] | 798 | qpc->pri_path.vlan_control |= |
Rony Efraim | 7677fc9 | 2013-05-08 22:22:35 +0000 | [diff] [blame] | 799 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
| 800 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; |
| 801 | } |
| 802 | |
| 803 | qpc->pri_path.fvl_rx |= MLX4_FVL_RX_FORCE_ETH_VLAN; |
Rony Efraim | 3f7fb02 | 2013-04-25 05:22:28 +0000 | [diff] [blame] | 804 | qpc->pri_path.vlan_index = vp_oper->vlan_idx; |
Rony Efraim | 7677fc9 | 2013-05-08 22:22:35 +0000 | [diff] [blame] | 805 | qpc->pri_path.fl |= MLX4_FL_CV | MLX4_FL_ETH_HIDE_CQE_VLAN; |
| 806 | 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] | 807 | qpc->pri_path.sched_queue &= 0xC7; |
| 808 | qpc->pri_path.sched_queue |= (vp_oper->state.default_qos) << 3; |
Ido Shamay | 08068cd | 2015-04-02 16:31:15 +0300 | [diff] [blame] | 809 | qpc->qos_vport = vp_oper->state.qos_vport; |
Rony Efraim | 3f7fb02 | 2013-04-25 05:22:28 +0000 | [diff] [blame] | 810 | } |
Rony Efraim | e6b6a23 | 2013-04-25 05:22:29 +0000 | [diff] [blame] | 811 | if (vp_oper->state.spoofchk) { |
Rony Efraim | 7677fc9 | 2013-05-08 22:22:35 +0000 | [diff] [blame] | 812 | qpc->pri_path.feup |= MLX4_FSM_FORCE_ETH_SRC_MAC; |
Rony Efraim | e6b6a23 | 2013-04-25 05:22:29 +0000 | [diff] [blame] | 813 | 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] | 814 | } |
Or Gerlitz | f5956fa | 2015-03-02 18:22:15 +0200 | [diff] [blame] | 815 | out: |
| 816 | return err; |
Rony Efraim | 3f7fb02 | 2013-04-25 05:22:28 +0000 | [diff] [blame] | 817 | } |
| 818 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 819 | static int mpt_mask(struct mlx4_dev *dev) |
| 820 | { |
| 821 | return dev->caps.num_mpts - 1; |
| 822 | } |
| 823 | |
Hadar Hen Zion | 1e3f7b3 | 2013-03-21 05:55:54 +0000 | [diff] [blame] | 824 | static void *find_res(struct mlx4_dev *dev, u64 res_id, |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 825 | enum mlx4_resource type) |
| 826 | { |
| 827 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 828 | |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 829 | return res_tracker_lookup(&priv->mfunc.master.res_tracker.res_tree[type], |
| 830 | res_id); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 831 | } |
| 832 | |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 833 | 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] | 834 | enum mlx4_resource type, |
| 835 | void *res) |
| 836 | { |
| 837 | struct res_common *r; |
| 838 | int err = 0; |
| 839 | |
| 840 | spin_lock_irq(mlx4_tlock(dev)); |
| 841 | r = find_res(dev, res_id, type); |
| 842 | if (!r) { |
| 843 | err = -ENONET; |
| 844 | goto exit; |
| 845 | } |
| 846 | |
| 847 | if (r->state == RES_ANY_BUSY) { |
| 848 | err = -EBUSY; |
| 849 | goto exit; |
| 850 | } |
| 851 | |
| 852 | if (r->owner != slave) { |
| 853 | err = -EPERM; |
| 854 | goto exit; |
| 855 | } |
| 856 | |
| 857 | r->from_state = r->state; |
| 858 | r->state = RES_ANY_BUSY; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 859 | |
| 860 | if (res) |
| 861 | *((struct res_common **)res) = r; |
| 862 | |
| 863 | exit: |
| 864 | spin_unlock_irq(mlx4_tlock(dev)); |
| 865 | return err; |
| 866 | } |
| 867 | |
| 868 | int mlx4_get_slave_from_resource_id(struct mlx4_dev *dev, |
| 869 | enum mlx4_resource type, |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 870 | u64 res_id, int *slave) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 871 | { |
| 872 | |
| 873 | struct res_common *r; |
| 874 | int err = -ENOENT; |
| 875 | int id = res_id; |
| 876 | |
| 877 | if (type == RES_QP) |
| 878 | id &= 0x7fffff; |
Yevgeny Petrilin | 996b054 | 2011-12-19 04:03:05 +0000 | [diff] [blame] | 879 | spin_lock(mlx4_tlock(dev)); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 880 | |
| 881 | r = find_res(dev, id, type); |
| 882 | if (r) { |
| 883 | *slave = r->owner; |
| 884 | err = 0; |
| 885 | } |
Yevgeny Petrilin | 996b054 | 2011-12-19 04:03:05 +0000 | [diff] [blame] | 886 | spin_unlock(mlx4_tlock(dev)); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 887 | |
| 888 | return err; |
| 889 | } |
| 890 | |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 891 | 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] | 892 | enum mlx4_resource type) |
| 893 | { |
| 894 | struct res_common *r; |
| 895 | |
| 896 | spin_lock_irq(mlx4_tlock(dev)); |
| 897 | r = find_res(dev, res_id, type); |
| 898 | if (r) |
| 899 | r->state = r->from_state; |
| 900 | spin_unlock_irq(mlx4_tlock(dev)); |
| 901 | } |
| 902 | |
Eran Ben Elisha | 6823024 | 2015-06-15 17:59:01 +0300 | [diff] [blame] | 903 | static int counter_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 904 | u64 in_param, u64 *out_param, int port); |
| 905 | |
| 906 | static int handle_existing_counter(struct mlx4_dev *dev, u8 slave, int port, |
| 907 | int counter_index) |
| 908 | { |
| 909 | struct res_common *r; |
| 910 | struct res_counter *counter; |
| 911 | int ret = 0; |
| 912 | |
| 913 | if (counter_index == MLX4_SINK_COUNTER_INDEX(dev)) |
| 914 | return ret; |
| 915 | |
| 916 | spin_lock_irq(mlx4_tlock(dev)); |
| 917 | r = find_res(dev, counter_index, RES_COUNTER); |
Eran Ben Elisha | 6b94bab | 2016-02-17 17:24:24 +0200 | [diff] [blame] | 918 | if (!r || r->owner != slave) { |
Eran Ben Elisha | 6823024 | 2015-06-15 17:59:01 +0300 | [diff] [blame] | 919 | ret = -EINVAL; |
Eran Ben Elisha | 6b94bab | 2016-02-17 17:24:24 +0200 | [diff] [blame] | 920 | } else { |
| 921 | counter = container_of(r, struct res_counter, com); |
| 922 | if (!counter->port) |
| 923 | counter->port = port; |
| 924 | } |
Eran Ben Elisha | 6823024 | 2015-06-15 17:59:01 +0300 | [diff] [blame] | 925 | |
| 926 | spin_unlock_irq(mlx4_tlock(dev)); |
| 927 | return ret; |
| 928 | } |
| 929 | |
| 930 | static int handle_unexisting_counter(struct mlx4_dev *dev, |
| 931 | struct mlx4_qp_context *qpc, u8 slave, |
| 932 | int port) |
| 933 | { |
| 934 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 935 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 936 | struct res_common *tmp; |
| 937 | struct res_counter *counter; |
| 938 | u64 counter_idx = MLX4_SINK_COUNTER_INDEX(dev); |
| 939 | int err = 0; |
| 940 | |
| 941 | spin_lock_irq(mlx4_tlock(dev)); |
| 942 | list_for_each_entry(tmp, |
| 943 | &tracker->slave_list[slave].res_list[RES_COUNTER], |
| 944 | list) { |
| 945 | counter = container_of(tmp, struct res_counter, com); |
| 946 | if (port == counter->port) { |
| 947 | qpc->pri_path.counter_index = counter->com.res_id; |
| 948 | spin_unlock_irq(mlx4_tlock(dev)); |
| 949 | return 0; |
| 950 | } |
| 951 | } |
| 952 | spin_unlock_irq(mlx4_tlock(dev)); |
| 953 | |
| 954 | /* No existing counter, need to allocate a new counter */ |
| 955 | err = counter_alloc_res(dev, slave, RES_OP_RESERVE, 0, 0, &counter_idx, |
| 956 | port); |
| 957 | if (err == -ENOENT) { |
| 958 | err = 0; |
| 959 | } else if (err && err != -ENOSPC) { |
| 960 | mlx4_err(dev, "%s: failed to create new counter for slave %d err %d\n", |
| 961 | __func__, slave, err); |
| 962 | } else { |
| 963 | qpc->pri_path.counter_index = counter_idx; |
| 964 | mlx4_dbg(dev, "%s: alloc new counter for slave %d index %d\n", |
| 965 | __func__, slave, qpc->pri_path.counter_index); |
| 966 | err = 0; |
| 967 | } |
| 968 | |
| 969 | return err; |
| 970 | } |
| 971 | |
| 972 | static int handle_counter(struct mlx4_dev *dev, struct mlx4_qp_context *qpc, |
| 973 | u8 slave, int port) |
| 974 | { |
| 975 | if (qpc->pri_path.counter_index != MLX4_SINK_COUNTER_INDEX(dev)) |
| 976 | return handle_existing_counter(dev, slave, port, |
| 977 | qpc->pri_path.counter_index); |
| 978 | |
| 979 | return handle_unexisting_counter(dev, qpc, slave, port); |
| 980 | } |
| 981 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 982 | static struct res_common *alloc_qp_tr(int id) |
| 983 | { |
| 984 | struct res_qp *ret; |
| 985 | |
| 986 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 987 | if (!ret) |
| 988 | return NULL; |
| 989 | |
| 990 | ret->com.res_id = id; |
| 991 | ret->com.state = RES_QP_RESERVED; |
Eugenia Emantayev | 2531188 | 2012-02-15 06:22:57 +0000 | [diff] [blame] | 992 | ret->local_qpn = id; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 993 | INIT_LIST_HEAD(&ret->mcg_list); |
| 994 | spin_lock_init(&ret->mcg_spl); |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 995 | atomic_set(&ret->ref_count, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 996 | |
| 997 | return &ret->com; |
| 998 | } |
| 999 | |
| 1000 | static struct res_common *alloc_mtt_tr(int id, int order) |
| 1001 | { |
| 1002 | struct res_mtt *ret; |
| 1003 | |
| 1004 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 1005 | if (!ret) |
| 1006 | return NULL; |
| 1007 | |
| 1008 | ret->com.res_id = id; |
| 1009 | ret->order = order; |
| 1010 | ret->com.state = RES_MTT_ALLOCATED; |
| 1011 | atomic_set(&ret->ref_count, 0); |
| 1012 | |
| 1013 | return &ret->com; |
| 1014 | } |
| 1015 | |
| 1016 | static struct res_common *alloc_mpt_tr(int id, int key) |
| 1017 | { |
| 1018 | struct res_mpt *ret; |
| 1019 | |
| 1020 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 1021 | if (!ret) |
| 1022 | return NULL; |
| 1023 | |
| 1024 | ret->com.res_id = id; |
| 1025 | ret->com.state = RES_MPT_RESERVED; |
| 1026 | ret->key = key; |
| 1027 | |
| 1028 | return &ret->com; |
| 1029 | } |
| 1030 | |
| 1031 | static struct res_common *alloc_eq_tr(int id) |
| 1032 | { |
| 1033 | struct res_eq *ret; |
| 1034 | |
| 1035 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 1036 | if (!ret) |
| 1037 | return NULL; |
| 1038 | |
| 1039 | ret->com.res_id = id; |
| 1040 | ret->com.state = RES_EQ_RESERVED; |
| 1041 | |
| 1042 | return &ret->com; |
| 1043 | } |
| 1044 | |
| 1045 | static struct res_common *alloc_cq_tr(int id) |
| 1046 | { |
| 1047 | struct res_cq *ret; |
| 1048 | |
| 1049 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 1050 | if (!ret) |
| 1051 | return NULL; |
| 1052 | |
| 1053 | ret->com.res_id = id; |
| 1054 | ret->com.state = RES_CQ_ALLOCATED; |
| 1055 | atomic_set(&ret->ref_count, 0); |
| 1056 | |
| 1057 | return &ret->com; |
| 1058 | } |
| 1059 | |
| 1060 | static struct res_common *alloc_srq_tr(int id) |
| 1061 | { |
| 1062 | struct res_srq *ret; |
| 1063 | |
| 1064 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 1065 | if (!ret) |
| 1066 | return NULL; |
| 1067 | |
| 1068 | ret->com.res_id = id; |
| 1069 | ret->com.state = RES_SRQ_ALLOCATED; |
| 1070 | atomic_set(&ret->ref_count, 0); |
| 1071 | |
| 1072 | return &ret->com; |
| 1073 | } |
| 1074 | |
Eran Ben Elisha | 9de92c6 | 2015-06-15 17:59:00 +0300 | [diff] [blame] | 1075 | static struct res_common *alloc_counter_tr(int id, int port) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1076 | { |
| 1077 | struct res_counter *ret; |
| 1078 | |
| 1079 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 1080 | if (!ret) |
| 1081 | return NULL; |
| 1082 | |
| 1083 | ret->com.res_id = id; |
| 1084 | ret->com.state = RES_COUNTER_ALLOCATED; |
Eran Ben Elisha | 9de92c6 | 2015-06-15 17:59:00 +0300 | [diff] [blame] | 1085 | ret->port = port; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1086 | |
| 1087 | return &ret->com; |
| 1088 | } |
| 1089 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 1090 | static struct res_common *alloc_xrcdn_tr(int id) |
| 1091 | { |
| 1092 | struct res_xrcdn *ret; |
| 1093 | |
| 1094 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 1095 | if (!ret) |
| 1096 | return NULL; |
| 1097 | |
| 1098 | ret->com.res_id = id; |
| 1099 | ret->com.state = RES_XRCD_ALLOCATED; |
| 1100 | |
| 1101 | return &ret->com; |
| 1102 | } |
| 1103 | |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 1104 | 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] | 1105 | { |
| 1106 | struct res_fs_rule *ret; |
| 1107 | |
| 1108 | ret = kzalloc(sizeof *ret, GFP_KERNEL); |
| 1109 | if (!ret) |
| 1110 | return NULL; |
| 1111 | |
| 1112 | ret->com.res_id = id; |
| 1113 | ret->com.state = RES_FS_RULE_ALLOCATED; |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 1114 | ret->qpn = qpn; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 1115 | return &ret->com; |
| 1116 | } |
| 1117 | |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 1118 | 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] | 1119 | int extra) |
| 1120 | { |
| 1121 | struct res_common *ret; |
| 1122 | |
| 1123 | switch (type) { |
| 1124 | case RES_QP: |
| 1125 | ret = alloc_qp_tr(id); |
| 1126 | break; |
| 1127 | case RES_MPT: |
| 1128 | ret = alloc_mpt_tr(id, extra); |
| 1129 | break; |
| 1130 | case RES_MTT: |
| 1131 | ret = alloc_mtt_tr(id, extra); |
| 1132 | break; |
| 1133 | case RES_EQ: |
| 1134 | ret = alloc_eq_tr(id); |
| 1135 | break; |
| 1136 | case RES_CQ: |
| 1137 | ret = alloc_cq_tr(id); |
| 1138 | break; |
| 1139 | case RES_SRQ: |
| 1140 | ret = alloc_srq_tr(id); |
| 1141 | break; |
| 1142 | case RES_MAC: |
Amir Vadai | c20862c | 2014-05-22 15:55:40 +0300 | [diff] [blame] | 1143 | pr_err("implementation missing\n"); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1144 | return NULL; |
| 1145 | case RES_COUNTER: |
Eran Ben Elisha | 9de92c6 | 2015-06-15 17:59:00 +0300 | [diff] [blame] | 1146 | ret = alloc_counter_tr(id, extra); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1147 | break; |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 1148 | case RES_XRCD: |
| 1149 | ret = alloc_xrcdn_tr(id); |
| 1150 | break; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 1151 | case RES_FS_RULE: |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 1152 | ret = alloc_fs_rule_tr(id, extra); |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 1153 | break; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1154 | default: |
| 1155 | return NULL; |
| 1156 | } |
| 1157 | if (ret) |
| 1158 | ret->owner = slave; |
| 1159 | |
| 1160 | return ret; |
| 1161 | } |
| 1162 | |
Eran Ben Elisha | 62a8905 | 2015-06-15 17:59:08 +0300 | [diff] [blame] | 1163 | int mlx4_calc_vf_counters(struct mlx4_dev *dev, int slave, int port, |
| 1164 | struct mlx4_counter *data) |
| 1165 | { |
| 1166 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1167 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1168 | struct res_common *tmp; |
| 1169 | struct res_counter *counter; |
| 1170 | int *counters_arr; |
| 1171 | int i = 0, err = 0; |
| 1172 | |
| 1173 | memset(data, 0, sizeof(*data)); |
| 1174 | |
| 1175 | counters_arr = kmalloc_array(dev->caps.max_counters, |
| 1176 | sizeof(*counters_arr), GFP_KERNEL); |
| 1177 | if (!counters_arr) |
| 1178 | return -ENOMEM; |
| 1179 | |
| 1180 | spin_lock_irq(mlx4_tlock(dev)); |
| 1181 | list_for_each_entry(tmp, |
| 1182 | &tracker->slave_list[slave].res_list[RES_COUNTER], |
| 1183 | list) { |
| 1184 | counter = container_of(tmp, struct res_counter, com); |
| 1185 | if (counter->port == port) { |
| 1186 | counters_arr[i] = (int)tmp->res_id; |
| 1187 | i++; |
| 1188 | } |
| 1189 | } |
| 1190 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1191 | counters_arr[i] = -1; |
| 1192 | |
| 1193 | i = 0; |
| 1194 | |
| 1195 | while (counters_arr[i] != -1) { |
| 1196 | err = mlx4_get_counter_stats(dev, counters_arr[i], data, |
| 1197 | 0); |
| 1198 | if (err) { |
| 1199 | memset(data, 0, sizeof(*data)); |
| 1200 | goto table_changed; |
| 1201 | } |
| 1202 | i++; |
| 1203 | } |
| 1204 | |
| 1205 | table_changed: |
| 1206 | kfree(counters_arr); |
| 1207 | return 0; |
| 1208 | } |
| 1209 | |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 1210 | 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] | 1211 | enum mlx4_resource type, int extra) |
| 1212 | { |
| 1213 | int i; |
| 1214 | int err; |
| 1215 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1216 | struct res_common **res_arr; |
| 1217 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1218 | struct rb_root *root = &tracker->res_tree[type]; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1219 | |
| 1220 | res_arr = kzalloc(count * sizeof *res_arr, GFP_KERNEL); |
| 1221 | if (!res_arr) |
| 1222 | return -ENOMEM; |
| 1223 | |
| 1224 | for (i = 0; i < count; ++i) { |
| 1225 | res_arr[i] = alloc_tr(base + i, type, slave, extra); |
| 1226 | if (!res_arr[i]) { |
| 1227 | for (--i; i >= 0; --i) |
| 1228 | kfree(res_arr[i]); |
| 1229 | |
| 1230 | kfree(res_arr); |
| 1231 | return -ENOMEM; |
| 1232 | } |
| 1233 | } |
| 1234 | |
| 1235 | spin_lock_irq(mlx4_tlock(dev)); |
| 1236 | for (i = 0; i < count; ++i) { |
| 1237 | if (find_res(dev, base + i, type)) { |
| 1238 | err = -EEXIST; |
| 1239 | goto undo; |
| 1240 | } |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1241 | err = res_tracker_insert(root, res_arr[i]); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1242 | if (err) |
| 1243 | goto undo; |
| 1244 | list_add_tail(&res_arr[i]->list, |
| 1245 | &tracker->slave_list[slave].res_list[type]); |
| 1246 | } |
| 1247 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1248 | kfree(res_arr); |
| 1249 | |
| 1250 | return 0; |
| 1251 | |
| 1252 | undo: |
Saeed Mahameed | 95e1963 | 2015-10-08 17:14:03 +0300 | [diff] [blame] | 1253 | for (--i; i >= 0; --i) { |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1254 | rb_erase(&res_arr[i]->node, root); |
Saeed Mahameed | 95e1963 | 2015-10-08 17:14:03 +0300 | [diff] [blame] | 1255 | list_del_init(&res_arr[i]->list); |
| 1256 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1257 | |
| 1258 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1259 | |
| 1260 | for (i = 0; i < count; ++i) |
| 1261 | kfree(res_arr[i]); |
| 1262 | |
| 1263 | kfree(res_arr); |
| 1264 | |
| 1265 | return err; |
| 1266 | } |
| 1267 | |
| 1268 | static int remove_qp_ok(struct res_qp *res) |
| 1269 | { |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 1270 | if (res->com.state == RES_QP_BUSY || atomic_read(&res->ref_count) || |
| 1271 | !list_empty(&res->mcg_list)) { |
| 1272 | pr_err("resource tracker: fail to remove qp, state %d, ref_count %d\n", |
| 1273 | res->com.state, atomic_read(&res->ref_count)); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1274 | return -EBUSY; |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 1275 | } else if (res->com.state != RES_QP_RESERVED) { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1276 | return -EPERM; |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 1277 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1278 | |
| 1279 | return 0; |
| 1280 | } |
| 1281 | |
| 1282 | static int remove_mtt_ok(struct res_mtt *res, int order) |
| 1283 | { |
| 1284 | if (res->com.state == RES_MTT_BUSY || |
| 1285 | atomic_read(&res->ref_count)) { |
Amir Vadai | c20862c | 2014-05-22 15:55:40 +0300 | [diff] [blame] | 1286 | pr_devel("%s-%d: state %s, ref_count %d\n", |
| 1287 | __func__, __LINE__, |
| 1288 | mtt_states_str(res->com.state), |
| 1289 | atomic_read(&res->ref_count)); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1290 | return -EBUSY; |
| 1291 | } else if (res->com.state != RES_MTT_ALLOCATED) |
| 1292 | return -EPERM; |
| 1293 | else if (res->order != order) |
| 1294 | return -EINVAL; |
| 1295 | |
| 1296 | return 0; |
| 1297 | } |
| 1298 | |
| 1299 | static int remove_mpt_ok(struct res_mpt *res) |
| 1300 | { |
| 1301 | if (res->com.state == RES_MPT_BUSY) |
| 1302 | return -EBUSY; |
| 1303 | else if (res->com.state != RES_MPT_RESERVED) |
| 1304 | return -EPERM; |
| 1305 | |
| 1306 | return 0; |
| 1307 | } |
| 1308 | |
| 1309 | static int remove_eq_ok(struct res_eq *res) |
| 1310 | { |
| 1311 | if (res->com.state == RES_MPT_BUSY) |
| 1312 | return -EBUSY; |
| 1313 | else if (res->com.state != RES_MPT_RESERVED) |
| 1314 | return -EPERM; |
| 1315 | |
| 1316 | return 0; |
| 1317 | } |
| 1318 | |
| 1319 | static int remove_counter_ok(struct res_counter *res) |
| 1320 | { |
| 1321 | if (res->com.state == RES_COUNTER_BUSY) |
| 1322 | return -EBUSY; |
| 1323 | else if (res->com.state != RES_COUNTER_ALLOCATED) |
| 1324 | return -EPERM; |
| 1325 | |
| 1326 | return 0; |
| 1327 | } |
| 1328 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 1329 | static int remove_xrcdn_ok(struct res_xrcdn *res) |
| 1330 | { |
| 1331 | if (res->com.state == RES_XRCD_BUSY) |
| 1332 | return -EBUSY; |
| 1333 | else if (res->com.state != RES_XRCD_ALLOCATED) |
| 1334 | return -EPERM; |
| 1335 | |
| 1336 | return 0; |
| 1337 | } |
| 1338 | |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 1339 | static int remove_fs_rule_ok(struct res_fs_rule *res) |
| 1340 | { |
| 1341 | if (res->com.state == RES_FS_RULE_BUSY) |
| 1342 | return -EBUSY; |
| 1343 | else if (res->com.state != RES_FS_RULE_ALLOCATED) |
| 1344 | return -EPERM; |
| 1345 | |
| 1346 | return 0; |
| 1347 | } |
| 1348 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1349 | static int remove_cq_ok(struct res_cq *res) |
| 1350 | { |
| 1351 | if (res->com.state == RES_CQ_BUSY) |
| 1352 | return -EBUSY; |
| 1353 | else if (res->com.state != RES_CQ_ALLOCATED) |
| 1354 | return -EPERM; |
| 1355 | |
| 1356 | return 0; |
| 1357 | } |
| 1358 | |
| 1359 | static int remove_srq_ok(struct res_srq *res) |
| 1360 | { |
| 1361 | if (res->com.state == RES_SRQ_BUSY) |
| 1362 | return -EBUSY; |
| 1363 | else if (res->com.state != RES_SRQ_ALLOCATED) |
| 1364 | return -EPERM; |
| 1365 | |
| 1366 | return 0; |
| 1367 | } |
| 1368 | |
| 1369 | static int remove_ok(struct res_common *res, enum mlx4_resource type, int extra) |
| 1370 | { |
| 1371 | switch (type) { |
| 1372 | case RES_QP: |
| 1373 | return remove_qp_ok((struct res_qp *)res); |
| 1374 | case RES_CQ: |
| 1375 | return remove_cq_ok((struct res_cq *)res); |
| 1376 | case RES_SRQ: |
| 1377 | return remove_srq_ok((struct res_srq *)res); |
| 1378 | case RES_MPT: |
| 1379 | return remove_mpt_ok((struct res_mpt *)res); |
| 1380 | case RES_MTT: |
| 1381 | return remove_mtt_ok((struct res_mtt *)res, extra); |
| 1382 | case RES_MAC: |
| 1383 | return -ENOSYS; |
| 1384 | case RES_EQ: |
| 1385 | return remove_eq_ok((struct res_eq *)res); |
| 1386 | case RES_COUNTER: |
| 1387 | return remove_counter_ok((struct res_counter *)res); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 1388 | case RES_XRCD: |
| 1389 | return remove_xrcdn_ok((struct res_xrcdn *)res); |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 1390 | case RES_FS_RULE: |
| 1391 | return remove_fs_rule_ok((struct res_fs_rule *)res); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1392 | default: |
| 1393 | return -EINVAL; |
| 1394 | } |
| 1395 | } |
| 1396 | |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 1397 | 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] | 1398 | enum mlx4_resource type, int extra) |
| 1399 | { |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 1400 | u64 i; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1401 | int err; |
| 1402 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1403 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1404 | struct res_common *r; |
| 1405 | |
| 1406 | spin_lock_irq(mlx4_tlock(dev)); |
| 1407 | for (i = base; i < base + count; ++i) { |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1408 | r = res_tracker_lookup(&tracker->res_tree[type], i); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1409 | if (!r) { |
| 1410 | err = -ENOENT; |
| 1411 | goto out; |
| 1412 | } |
| 1413 | if (r->owner != slave) { |
| 1414 | err = -EPERM; |
| 1415 | goto out; |
| 1416 | } |
| 1417 | err = remove_ok(r, type, extra); |
| 1418 | if (err) |
| 1419 | goto out; |
| 1420 | } |
| 1421 | |
| 1422 | for (i = base; i < base + count; ++i) { |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1423 | r = res_tracker_lookup(&tracker->res_tree[type], i); |
| 1424 | rb_erase(&r->node, &tracker->res_tree[type]); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1425 | list_del(&r->list); |
| 1426 | kfree(r); |
| 1427 | } |
| 1428 | err = 0; |
| 1429 | |
| 1430 | out: |
| 1431 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1432 | |
| 1433 | return err; |
| 1434 | } |
| 1435 | |
| 1436 | static int qp_res_start_move_to(struct mlx4_dev *dev, int slave, int qpn, |
| 1437 | enum res_qp_states state, struct res_qp **qp, |
| 1438 | int alloc) |
| 1439 | { |
| 1440 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1441 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1442 | struct res_qp *r; |
| 1443 | int err = 0; |
| 1444 | |
| 1445 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1446 | r = res_tracker_lookup(&tracker->res_tree[RES_QP], qpn); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1447 | if (!r) |
| 1448 | err = -ENOENT; |
| 1449 | else if (r->com.owner != slave) |
| 1450 | err = -EPERM; |
| 1451 | else { |
| 1452 | switch (state) { |
| 1453 | case RES_QP_BUSY: |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 1454 | mlx4_dbg(dev, "%s: failed RES_QP, 0x%llx\n", |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1455 | __func__, r->com.res_id); |
| 1456 | err = -EBUSY; |
| 1457 | break; |
| 1458 | |
| 1459 | case RES_QP_RESERVED: |
| 1460 | if (r->com.state == RES_QP_MAPPED && !alloc) |
| 1461 | break; |
| 1462 | |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 1463 | 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] | 1464 | err = -EINVAL; |
| 1465 | break; |
| 1466 | |
| 1467 | case RES_QP_MAPPED: |
| 1468 | if ((r->com.state == RES_QP_RESERVED && alloc) || |
| 1469 | r->com.state == RES_QP_HW) |
| 1470 | break; |
| 1471 | else { |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 1472 | mlx4_dbg(dev, "failed RES_QP, 0x%llx\n", |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1473 | r->com.res_id); |
| 1474 | err = -EINVAL; |
| 1475 | } |
| 1476 | |
| 1477 | break; |
| 1478 | |
| 1479 | case RES_QP_HW: |
| 1480 | if (r->com.state != RES_QP_MAPPED) |
| 1481 | err = -EINVAL; |
| 1482 | break; |
| 1483 | default: |
| 1484 | err = -EINVAL; |
| 1485 | } |
| 1486 | |
| 1487 | if (!err) { |
| 1488 | r->com.from_state = r->com.state; |
| 1489 | r->com.to_state = state; |
| 1490 | r->com.state = RES_QP_BUSY; |
| 1491 | if (qp) |
Joe Perches | 6469933 | 2012-06-04 12:44:16 +0000 | [diff] [blame] | 1492 | *qp = r; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1493 | } |
| 1494 | } |
| 1495 | |
| 1496 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1497 | |
| 1498 | return err; |
| 1499 | } |
| 1500 | |
| 1501 | static int mr_res_start_move_to(struct mlx4_dev *dev, int slave, int index, |
| 1502 | enum res_mpt_states state, struct res_mpt **mpt) |
| 1503 | { |
| 1504 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1505 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1506 | struct res_mpt *r; |
| 1507 | int err = 0; |
| 1508 | |
| 1509 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1510 | r = res_tracker_lookup(&tracker->res_tree[RES_MPT], index); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1511 | if (!r) |
| 1512 | err = -ENOENT; |
| 1513 | else if (r->com.owner != slave) |
| 1514 | err = -EPERM; |
| 1515 | else { |
| 1516 | switch (state) { |
| 1517 | case RES_MPT_BUSY: |
| 1518 | err = -EINVAL; |
| 1519 | break; |
| 1520 | |
| 1521 | case RES_MPT_RESERVED: |
| 1522 | if (r->com.state != RES_MPT_MAPPED) |
| 1523 | err = -EINVAL; |
| 1524 | break; |
| 1525 | |
| 1526 | case RES_MPT_MAPPED: |
| 1527 | if (r->com.state != RES_MPT_RESERVED && |
| 1528 | r->com.state != RES_MPT_HW) |
| 1529 | err = -EINVAL; |
| 1530 | break; |
| 1531 | |
| 1532 | case RES_MPT_HW: |
| 1533 | if (r->com.state != RES_MPT_MAPPED) |
| 1534 | err = -EINVAL; |
| 1535 | break; |
| 1536 | default: |
| 1537 | err = -EINVAL; |
| 1538 | } |
| 1539 | |
| 1540 | if (!err) { |
| 1541 | r->com.from_state = r->com.state; |
| 1542 | r->com.to_state = state; |
| 1543 | r->com.state = RES_MPT_BUSY; |
| 1544 | if (mpt) |
Joe Perches | 6469933 | 2012-06-04 12:44:16 +0000 | [diff] [blame] | 1545 | *mpt = r; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1546 | } |
| 1547 | } |
| 1548 | |
| 1549 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1550 | |
| 1551 | return err; |
| 1552 | } |
| 1553 | |
| 1554 | static int eq_res_start_move_to(struct mlx4_dev *dev, int slave, int index, |
| 1555 | enum res_eq_states state, struct res_eq **eq) |
| 1556 | { |
| 1557 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1558 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1559 | struct res_eq *r; |
| 1560 | int err = 0; |
| 1561 | |
| 1562 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1563 | r = res_tracker_lookup(&tracker->res_tree[RES_EQ], index); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1564 | if (!r) |
| 1565 | err = -ENOENT; |
| 1566 | else if (r->com.owner != slave) |
| 1567 | err = -EPERM; |
| 1568 | else { |
| 1569 | switch (state) { |
| 1570 | case RES_EQ_BUSY: |
| 1571 | err = -EINVAL; |
| 1572 | break; |
| 1573 | |
| 1574 | case RES_EQ_RESERVED: |
| 1575 | if (r->com.state != RES_EQ_HW) |
| 1576 | err = -EINVAL; |
| 1577 | break; |
| 1578 | |
| 1579 | case RES_EQ_HW: |
| 1580 | if (r->com.state != RES_EQ_RESERVED) |
| 1581 | err = -EINVAL; |
| 1582 | break; |
| 1583 | |
| 1584 | default: |
| 1585 | err = -EINVAL; |
| 1586 | } |
| 1587 | |
| 1588 | if (!err) { |
| 1589 | r->com.from_state = r->com.state; |
| 1590 | r->com.to_state = state; |
| 1591 | r->com.state = RES_EQ_BUSY; |
| 1592 | if (eq) |
| 1593 | *eq = r; |
| 1594 | } |
| 1595 | } |
| 1596 | |
| 1597 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1598 | |
| 1599 | return err; |
| 1600 | } |
| 1601 | |
| 1602 | static int cq_res_start_move_to(struct mlx4_dev *dev, int slave, int cqn, |
| 1603 | enum res_cq_states state, struct res_cq **cq) |
| 1604 | { |
| 1605 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1606 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1607 | struct res_cq *r; |
| 1608 | int err; |
| 1609 | |
| 1610 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1611 | r = res_tracker_lookup(&tracker->res_tree[RES_CQ], cqn); |
Paul Bolle | c9218a9 | 2014-01-14 20:45:36 +0100 | [diff] [blame] | 1612 | if (!r) { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1613 | err = -ENOENT; |
Paul Bolle | c9218a9 | 2014-01-14 20:45:36 +0100 | [diff] [blame] | 1614 | } else if (r->com.owner != slave) { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1615 | err = -EPERM; |
Paul Bolle | c9218a9 | 2014-01-14 20:45:36 +0100 | [diff] [blame] | 1616 | } else if (state == RES_CQ_ALLOCATED) { |
| 1617 | if (r->com.state != RES_CQ_HW) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1618 | err = -EINVAL; |
Paul Bolle | c9218a9 | 2014-01-14 20:45:36 +0100 | [diff] [blame] | 1619 | else if (atomic_read(&r->ref_count)) |
| 1620 | err = -EBUSY; |
| 1621 | else |
| 1622 | err = 0; |
| 1623 | } else if (state != RES_CQ_HW || r->com.state != RES_CQ_ALLOCATED) { |
| 1624 | err = -EINVAL; |
| 1625 | } else { |
| 1626 | err = 0; |
| 1627 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1628 | |
Paul Bolle | c9218a9 | 2014-01-14 20:45:36 +0100 | [diff] [blame] | 1629 | if (!err) { |
| 1630 | r->com.from_state = r->com.state; |
| 1631 | r->com.to_state = state; |
| 1632 | r->com.state = RES_CQ_BUSY; |
| 1633 | if (cq) |
| 1634 | *cq = r; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1635 | } |
| 1636 | |
| 1637 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1638 | |
| 1639 | return err; |
| 1640 | } |
| 1641 | |
| 1642 | static int srq_res_start_move_to(struct mlx4_dev *dev, int slave, int index, |
Paul Bolle | f088cbb | 2014-01-14 20:46:52 +0100 | [diff] [blame] | 1643 | enum res_srq_states state, struct res_srq **srq) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1644 | { |
| 1645 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1646 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1647 | struct res_srq *r; |
| 1648 | int err = 0; |
| 1649 | |
| 1650 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1651 | r = res_tracker_lookup(&tracker->res_tree[RES_SRQ], index); |
Paul Bolle | f088cbb | 2014-01-14 20:46:52 +0100 | [diff] [blame] | 1652 | if (!r) { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1653 | err = -ENOENT; |
Paul Bolle | f088cbb | 2014-01-14 20:46:52 +0100 | [diff] [blame] | 1654 | } else if (r->com.owner != slave) { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1655 | err = -EPERM; |
Paul Bolle | f088cbb | 2014-01-14 20:46:52 +0100 | [diff] [blame] | 1656 | } else if (state == RES_SRQ_ALLOCATED) { |
| 1657 | if (r->com.state != RES_SRQ_HW) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1658 | err = -EINVAL; |
Paul Bolle | f088cbb | 2014-01-14 20:46:52 +0100 | [diff] [blame] | 1659 | else if (atomic_read(&r->ref_count)) |
| 1660 | err = -EBUSY; |
| 1661 | } else if (state != RES_SRQ_HW || r->com.state != RES_SRQ_ALLOCATED) { |
| 1662 | err = -EINVAL; |
| 1663 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1664 | |
Paul Bolle | f088cbb | 2014-01-14 20:46:52 +0100 | [diff] [blame] | 1665 | if (!err) { |
| 1666 | r->com.from_state = r->com.state; |
| 1667 | r->com.to_state = state; |
| 1668 | r->com.state = RES_SRQ_BUSY; |
| 1669 | if (srq) |
| 1670 | *srq = r; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1671 | } |
| 1672 | |
| 1673 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1674 | |
| 1675 | return err; |
| 1676 | } |
| 1677 | |
| 1678 | static void res_abort_move(struct mlx4_dev *dev, int slave, |
| 1679 | enum mlx4_resource type, int id) |
| 1680 | { |
| 1681 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1682 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1683 | struct res_common *r; |
| 1684 | |
| 1685 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1686 | r = res_tracker_lookup(&tracker->res_tree[type], id); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1687 | if (r && (r->owner == slave)) |
| 1688 | r->state = r->from_state; |
| 1689 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1690 | } |
| 1691 | |
| 1692 | static void res_end_move(struct mlx4_dev *dev, int slave, |
| 1693 | enum mlx4_resource type, int id) |
| 1694 | { |
| 1695 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1696 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1697 | struct res_common *r; |
| 1698 | |
| 1699 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 1700 | r = res_tracker_lookup(&tracker->res_tree[type], id); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1701 | if (r && (r->owner == slave)) |
| 1702 | r->state = r->to_state; |
| 1703 | spin_unlock_irq(mlx4_tlock(dev)); |
| 1704 | } |
| 1705 | |
| 1706 | static int valid_reserved(struct mlx4_dev *dev, int slave, int qpn) |
| 1707 | { |
Jack Morgenstein | e2c7682 | 2012-08-03 08:40:41 +0000 | [diff] [blame] | 1708 | return mlx4_is_qp_reserved(dev, qpn) && |
| 1709 | (mlx4_is_master(dev) || mlx4_is_guest_proxy(dev, slave, qpn)); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1710 | } |
| 1711 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 1712 | static int fw_reserved(struct mlx4_dev *dev, int qpn) |
| 1713 | { |
| 1714 | return qpn < dev->caps.reserved_qps_cnt[MLX4_QP_REGION_FW]; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1715 | } |
| 1716 | |
| 1717 | static int qp_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 1718 | u64 in_param, u64 *out_param) |
| 1719 | { |
| 1720 | int err; |
| 1721 | int count; |
| 1722 | int align; |
| 1723 | int base; |
| 1724 | int qpn; |
Eugenia Emantayev | ddae034 | 2014-12-11 10:57:54 +0200 | [diff] [blame] | 1725 | u8 flags; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1726 | |
| 1727 | switch (op) { |
| 1728 | case RES_OP_RESERVE: |
Jack Morgenstein | 2d5c57d | 2014-11-25 11:54:31 +0200 | [diff] [blame] | 1729 | count = get_param_l(&in_param) & 0xffffff; |
Eugenia Emantayev | ddae034 | 2014-12-11 10:57:54 +0200 | [diff] [blame] | 1730 | /* Turn off all unsupported QP allocation flags that the |
| 1731 | * slave tries to set. |
| 1732 | */ |
| 1733 | flags = (get_param_l(&in_param) >> 24) & dev->caps.alloc_res_qp_mask; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1734 | align = get_param_h(&in_param); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1735 | err = mlx4_grant_resource(dev, slave, RES_QP, count, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1736 | if (err) |
| 1737 | return err; |
| 1738 | |
Eugenia Emantayev | ddae034 | 2014-12-11 10:57:54 +0200 | [diff] [blame] | 1739 | err = __mlx4_qp_reserve_range(dev, count, align, &base, flags); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1740 | if (err) { |
| 1741 | mlx4_release_resource(dev, slave, RES_QP, count, 0); |
| 1742 | return err; |
| 1743 | } |
| 1744 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1745 | err = add_res_range(dev, slave, base, count, RES_QP, 0); |
| 1746 | if (err) { |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1747 | mlx4_release_resource(dev, slave, RES_QP, count, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1748 | __mlx4_qp_release_range(dev, base, count); |
| 1749 | return err; |
| 1750 | } |
| 1751 | set_param_l(out_param, base); |
| 1752 | break; |
| 1753 | case RES_OP_MAP_ICM: |
| 1754 | qpn = get_param_l(&in_param) & 0x7fffff; |
| 1755 | if (valid_reserved(dev, slave, qpn)) { |
| 1756 | err = add_res_range(dev, slave, qpn, 1, RES_QP, 0); |
| 1757 | if (err) |
| 1758 | return err; |
| 1759 | } |
| 1760 | |
| 1761 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, |
| 1762 | NULL, 1); |
| 1763 | if (err) |
| 1764 | return err; |
| 1765 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 1766 | if (!fw_reserved(dev, qpn)) { |
Jiri Kosina | 40f2287 | 2014-05-11 15:15:12 +0300 | [diff] [blame] | 1767 | err = __mlx4_qp_alloc_icm(dev, qpn, GFP_KERNEL); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1768 | if (err) { |
| 1769 | res_abort_move(dev, slave, RES_QP, qpn); |
| 1770 | return err; |
| 1771 | } |
| 1772 | } |
| 1773 | |
| 1774 | res_end_move(dev, slave, RES_QP, qpn); |
| 1775 | break; |
| 1776 | |
| 1777 | default: |
| 1778 | err = -EINVAL; |
| 1779 | break; |
| 1780 | } |
| 1781 | return err; |
| 1782 | } |
| 1783 | |
| 1784 | static int mtt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 1785 | u64 in_param, u64 *out_param) |
| 1786 | { |
| 1787 | int err = -EINVAL; |
| 1788 | int base; |
| 1789 | int order; |
| 1790 | |
| 1791 | if (op != RES_OP_RESERVE_AND_MAP) |
| 1792 | return err; |
| 1793 | |
| 1794 | order = get_param_l(&in_param); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1795 | |
| 1796 | err = mlx4_grant_resource(dev, slave, RES_MTT, 1 << order, 0); |
| 1797 | if (err) |
| 1798 | return err; |
| 1799 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1800 | base = __mlx4_alloc_mtt_range(dev, order); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1801 | if (base == -1) { |
| 1802 | mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1803 | return -ENOMEM; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1804 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1805 | |
| 1806 | err = add_res_range(dev, slave, base, 1, RES_MTT, order); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1807 | if (err) { |
| 1808 | mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1809 | __mlx4_free_mtt_range(dev, base, order); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1810 | } else { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1811 | set_param_l(out_param, base); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1812 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1813 | |
| 1814 | return err; |
| 1815 | } |
| 1816 | |
| 1817 | static int mpt_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 1818 | u64 in_param, u64 *out_param) |
| 1819 | { |
| 1820 | int err = -EINVAL; |
| 1821 | int index; |
| 1822 | int id; |
| 1823 | struct res_mpt *mpt; |
| 1824 | |
| 1825 | switch (op) { |
| 1826 | case RES_OP_RESERVE: |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1827 | err = mlx4_grant_resource(dev, slave, RES_MPT, 1, 0); |
| 1828 | if (err) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1829 | break; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1830 | |
| 1831 | index = __mlx4_mpt_reserve(dev); |
| 1832 | if (index == -1) { |
| 1833 | mlx4_release_resource(dev, slave, RES_MPT, 1, 0); |
| 1834 | break; |
| 1835 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1836 | id = index & mpt_mask(dev); |
| 1837 | |
| 1838 | err = add_res_range(dev, slave, id, 1, RES_MPT, index); |
| 1839 | if (err) { |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1840 | mlx4_release_resource(dev, slave, RES_MPT, 1, 0); |
Shani Michaeli | b20e519 | 2013-02-06 16:19:08 +0000 | [diff] [blame] | 1841 | __mlx4_mpt_release(dev, index); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1842 | break; |
| 1843 | } |
| 1844 | set_param_l(out_param, index); |
| 1845 | break; |
| 1846 | case RES_OP_MAP_ICM: |
| 1847 | index = get_param_l(&in_param); |
| 1848 | id = index & mpt_mask(dev); |
| 1849 | err = mr_res_start_move_to(dev, slave, id, |
| 1850 | RES_MPT_MAPPED, &mpt); |
| 1851 | if (err) |
| 1852 | return err; |
| 1853 | |
Jiri Kosina | 40f2287 | 2014-05-11 15:15:12 +0300 | [diff] [blame] | 1854 | err = __mlx4_mpt_alloc_icm(dev, mpt->key, GFP_KERNEL); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1855 | if (err) { |
| 1856 | res_abort_move(dev, slave, RES_MPT, id); |
| 1857 | return err; |
| 1858 | } |
| 1859 | |
| 1860 | res_end_move(dev, slave, RES_MPT, id); |
| 1861 | break; |
| 1862 | } |
| 1863 | return err; |
| 1864 | } |
| 1865 | |
| 1866 | static int cq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 1867 | u64 in_param, u64 *out_param) |
| 1868 | { |
| 1869 | int cqn; |
| 1870 | int err; |
| 1871 | |
| 1872 | switch (op) { |
| 1873 | case RES_OP_RESERVE_AND_MAP: |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1874 | err = mlx4_grant_resource(dev, slave, RES_CQ, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1875 | if (err) |
| 1876 | break; |
| 1877 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1878 | err = __mlx4_cq_alloc_icm(dev, &cqn); |
| 1879 | if (err) { |
| 1880 | mlx4_release_resource(dev, slave, RES_CQ, 1, 0); |
| 1881 | break; |
| 1882 | } |
| 1883 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1884 | err = add_res_range(dev, slave, cqn, 1, RES_CQ, 0); |
| 1885 | if (err) { |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1886 | mlx4_release_resource(dev, slave, RES_CQ, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1887 | __mlx4_cq_free_icm(dev, cqn); |
| 1888 | break; |
| 1889 | } |
| 1890 | |
| 1891 | set_param_l(out_param, cqn); |
| 1892 | break; |
| 1893 | |
| 1894 | default: |
| 1895 | err = -EINVAL; |
| 1896 | } |
| 1897 | |
| 1898 | return err; |
| 1899 | } |
| 1900 | |
| 1901 | static int srq_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 1902 | u64 in_param, u64 *out_param) |
| 1903 | { |
| 1904 | int srqn; |
| 1905 | int err; |
| 1906 | |
| 1907 | switch (op) { |
| 1908 | case RES_OP_RESERVE_AND_MAP: |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1909 | err = mlx4_grant_resource(dev, slave, RES_SRQ, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1910 | if (err) |
| 1911 | break; |
| 1912 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1913 | err = __mlx4_srq_alloc_icm(dev, &srqn); |
| 1914 | if (err) { |
| 1915 | mlx4_release_resource(dev, slave, RES_SRQ, 1, 0); |
| 1916 | break; |
| 1917 | } |
| 1918 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1919 | err = add_res_range(dev, slave, srqn, 1, RES_SRQ, 0); |
| 1920 | if (err) { |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1921 | mlx4_release_resource(dev, slave, RES_SRQ, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1922 | __mlx4_srq_free_icm(dev, srqn); |
| 1923 | break; |
| 1924 | } |
| 1925 | |
| 1926 | set_param_l(out_param, srqn); |
| 1927 | break; |
| 1928 | |
| 1929 | default: |
| 1930 | err = -EINVAL; |
| 1931 | } |
| 1932 | |
| 1933 | return err; |
| 1934 | } |
| 1935 | |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 1936 | static int mac_find_smac_ix_in_slave(struct mlx4_dev *dev, int slave, int port, |
| 1937 | u8 smac_index, u64 *mac) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1938 | { |
| 1939 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1940 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 1941 | struct list_head *mac_list = |
| 1942 | &tracker->slave_list[slave].res_list[RES_MAC]; |
| 1943 | struct mac_res *res, *tmp; |
| 1944 | |
| 1945 | list_for_each_entry_safe(res, tmp, mac_list, list) { |
| 1946 | if (res->smac_index == smac_index && res->port == (u8) port) { |
| 1947 | *mac = res->mac; |
| 1948 | return 0; |
| 1949 | } |
| 1950 | } |
| 1951 | return -ENOENT; |
| 1952 | } |
| 1953 | |
| 1954 | static int mac_add_to_slave(struct mlx4_dev *dev, int slave, u64 mac, int port, u8 smac_index) |
| 1955 | { |
| 1956 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1957 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1958 | struct list_head *mac_list = |
| 1959 | &tracker->slave_list[slave].res_list[RES_MAC]; |
| 1960 | struct mac_res *res, *tmp; |
| 1961 | |
| 1962 | list_for_each_entry_safe(res, tmp, mac_list, list) { |
| 1963 | if (res->mac == mac && res->port == (u8) port) { |
| 1964 | /* mac found. update ref count */ |
| 1965 | ++res->ref_count; |
| 1966 | return 0; |
| 1967 | } |
| 1968 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1969 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1970 | if (mlx4_grant_resource(dev, slave, RES_MAC, 1, port)) |
| 1971 | return -EINVAL; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1972 | res = kzalloc(sizeof *res, GFP_KERNEL); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1973 | if (!res) { |
| 1974 | mlx4_release_resource(dev, slave, RES_MAC, 1, port); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1975 | return -ENOMEM; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 1976 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1977 | res->mac = mac; |
| 1978 | res->port = (u8) port; |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 1979 | res->smac_index = smac_index; |
| 1980 | res->ref_count = 1; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 1981 | list_add_tail(&res->list, |
| 1982 | &tracker->slave_list[slave].res_list[RES_MAC]); |
| 1983 | return 0; |
| 1984 | } |
| 1985 | |
| 1986 | static void mac_del_from_slave(struct mlx4_dev *dev, int slave, u64 mac, |
| 1987 | int port) |
| 1988 | { |
| 1989 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 1990 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 1991 | struct list_head *mac_list = |
| 1992 | &tracker->slave_list[slave].res_list[RES_MAC]; |
| 1993 | struct mac_res *res, *tmp; |
| 1994 | |
| 1995 | list_for_each_entry_safe(res, tmp, mac_list, list) { |
| 1996 | if (res->mac == mac && res->port == (u8) port) { |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 1997 | if (!--res->ref_count) { |
| 1998 | list_del(&res->list); |
| 1999 | mlx4_release_resource(dev, slave, RES_MAC, 1, port); |
| 2000 | kfree(res); |
| 2001 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2002 | break; |
| 2003 | } |
| 2004 | } |
| 2005 | } |
| 2006 | |
| 2007 | static void rem_slave_macs(struct mlx4_dev *dev, int slave) |
| 2008 | { |
| 2009 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2010 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 2011 | struct list_head *mac_list = |
| 2012 | &tracker->slave_list[slave].res_list[RES_MAC]; |
| 2013 | struct mac_res *res, *tmp; |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 2014 | int i; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2015 | |
| 2016 | list_for_each_entry_safe(res, tmp, mac_list, list) { |
| 2017 | list_del(&res->list); |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 2018 | /* dereference the mac the num times the slave referenced it */ |
| 2019 | for (i = 0; i < res->ref_count; i++) |
| 2020 | __mlx4_unregister_mac(dev, res->port, res->mac); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2021 | mlx4_release_resource(dev, slave, RES_MAC, 1, res->port); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2022 | kfree(res); |
| 2023 | } |
| 2024 | } |
| 2025 | |
| 2026 | 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] | 2027 | u64 in_param, u64 *out_param, int in_port) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2028 | { |
| 2029 | int err = -EINVAL; |
| 2030 | int port; |
| 2031 | u64 mac; |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 2032 | u8 smac_index; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2033 | |
| 2034 | if (op != RES_OP_RESERVE_AND_MAP) |
| 2035 | return err; |
| 2036 | |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 2037 | port = !in_port ? get_param_l(out_param) : in_port; |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 2038 | port = mlx4_slave_convert_port( |
| 2039 | dev, slave, port); |
| 2040 | |
| 2041 | if (port < 0) |
| 2042 | return -EINVAL; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2043 | mac = in_param; |
| 2044 | |
| 2045 | err = __mlx4_register_mac(dev, port, mac); |
| 2046 | if (err >= 0) { |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 2047 | smac_index = err; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2048 | set_param_l(out_param, err); |
| 2049 | err = 0; |
| 2050 | } |
| 2051 | |
| 2052 | if (!err) { |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 2053 | err = mac_add_to_slave(dev, slave, mac, port, smac_index); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2054 | if (err) |
| 2055 | __mlx4_unregister_mac(dev, port, mac); |
| 2056 | } |
| 2057 | return err; |
| 2058 | } |
| 2059 | |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2060 | static int vlan_add_to_slave(struct mlx4_dev *dev, int slave, u16 vlan, |
| 2061 | int port, int vlan_index) |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 2062 | { |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2063 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2064 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 2065 | struct list_head *vlan_list = |
| 2066 | &tracker->slave_list[slave].res_list[RES_VLAN]; |
| 2067 | struct vlan_res *res, *tmp; |
| 2068 | |
| 2069 | list_for_each_entry_safe(res, tmp, vlan_list, list) { |
| 2070 | if (res->vlan == vlan && res->port == (u8) port) { |
| 2071 | /* vlan found. update ref count */ |
| 2072 | ++res->ref_count; |
| 2073 | return 0; |
| 2074 | } |
| 2075 | } |
| 2076 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2077 | if (mlx4_grant_resource(dev, slave, RES_VLAN, 1, port)) |
| 2078 | return -EINVAL; |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2079 | res = kzalloc(sizeof(*res), GFP_KERNEL); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2080 | if (!res) { |
| 2081 | mlx4_release_resource(dev, slave, RES_VLAN, 1, port); |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2082 | return -ENOMEM; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2083 | } |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2084 | res->vlan = vlan; |
| 2085 | res->port = (u8) port; |
| 2086 | res->vlan_index = vlan_index; |
| 2087 | res->ref_count = 1; |
| 2088 | list_add_tail(&res->list, |
| 2089 | &tracker->slave_list[slave].res_list[RES_VLAN]); |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 2090 | return 0; |
| 2091 | } |
| 2092 | |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2093 | |
| 2094 | static void vlan_del_from_slave(struct mlx4_dev *dev, int slave, u16 vlan, |
| 2095 | int port) |
| 2096 | { |
| 2097 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2098 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 2099 | struct list_head *vlan_list = |
| 2100 | &tracker->slave_list[slave].res_list[RES_VLAN]; |
| 2101 | struct vlan_res *res, *tmp; |
| 2102 | |
| 2103 | list_for_each_entry_safe(res, tmp, vlan_list, list) { |
| 2104 | if (res->vlan == vlan && res->port == (u8) port) { |
| 2105 | if (!--res->ref_count) { |
| 2106 | list_del(&res->list); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2107 | mlx4_release_resource(dev, slave, RES_VLAN, |
| 2108 | 1, port); |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2109 | kfree(res); |
| 2110 | } |
| 2111 | break; |
| 2112 | } |
| 2113 | } |
| 2114 | } |
| 2115 | |
| 2116 | static void rem_slave_vlans(struct mlx4_dev *dev, int slave) |
| 2117 | { |
| 2118 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2119 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 2120 | struct list_head *vlan_list = |
| 2121 | &tracker->slave_list[slave].res_list[RES_VLAN]; |
| 2122 | struct vlan_res *res, *tmp; |
| 2123 | int i; |
| 2124 | |
| 2125 | list_for_each_entry_safe(res, tmp, vlan_list, list) { |
| 2126 | list_del(&res->list); |
| 2127 | /* dereference the vlan the num times the slave referenced it */ |
| 2128 | for (i = 0; i < res->ref_count; i++) |
| 2129 | __mlx4_unregister_vlan(dev, res->port, res->vlan); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2130 | mlx4_release_resource(dev, slave, RES_VLAN, 1, res->port); |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2131 | kfree(res); |
| 2132 | } |
| 2133 | } |
| 2134 | |
| 2135 | 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] | 2136 | u64 in_param, u64 *out_param, int in_port) |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2137 | { |
Jack Morgenstein | 2c957ff | 2013-11-03 10:03:21 +0200 | [diff] [blame] | 2138 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2139 | struct mlx4_slave_state *slave_state = priv->mfunc.master.slave_state; |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2140 | int err; |
| 2141 | u16 vlan; |
| 2142 | int vlan_index; |
Jack Morgenstein | 2c957ff | 2013-11-03 10:03:21 +0200 | [diff] [blame] | 2143 | int port; |
| 2144 | |
| 2145 | port = !in_port ? get_param_l(out_param) : in_port; |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2146 | |
| 2147 | if (!port || op != RES_OP_RESERVE_AND_MAP) |
| 2148 | return -EINVAL; |
| 2149 | |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 2150 | port = mlx4_slave_convert_port( |
| 2151 | dev, slave, port); |
| 2152 | |
| 2153 | if (port < 0) |
| 2154 | return -EINVAL; |
Jack Morgenstein | 2c957ff | 2013-11-03 10:03:21 +0200 | [diff] [blame] | 2155 | /* upstream kernels had NOP for reg/unreg vlan. Continue this. */ |
| 2156 | if (!in_port && port > 0 && port <= dev->caps.num_ports) { |
| 2157 | slave_state[slave].old_vlan_api = true; |
| 2158 | return 0; |
| 2159 | } |
| 2160 | |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2161 | vlan = (u16) in_param; |
| 2162 | |
| 2163 | err = __mlx4_register_vlan(dev, port, vlan, &vlan_index); |
| 2164 | if (!err) { |
| 2165 | set_param_l(out_param, (u32) vlan_index); |
| 2166 | err = vlan_add_to_slave(dev, slave, vlan, port, vlan_index); |
| 2167 | if (err) |
| 2168 | __mlx4_unregister_vlan(dev, port, vlan); |
| 2169 | } |
| 2170 | return err; |
| 2171 | } |
| 2172 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2173 | static int counter_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
Eran Ben Elisha | 6823024 | 2015-06-15 17:59:01 +0300 | [diff] [blame] | 2174 | u64 in_param, u64 *out_param, int port) |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2175 | { |
| 2176 | u32 index; |
| 2177 | int err; |
| 2178 | |
| 2179 | if (op != RES_OP_RESERVE) |
| 2180 | return -EINVAL; |
| 2181 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2182 | err = mlx4_grant_resource(dev, slave, RES_COUNTER, 1, 0); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2183 | if (err) |
| 2184 | return err; |
| 2185 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2186 | err = __mlx4_counter_alloc(dev, &index); |
| 2187 | if (err) { |
| 2188 | mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); |
| 2189 | return err; |
| 2190 | } |
| 2191 | |
Eran Ben Elisha | 6823024 | 2015-06-15 17:59:01 +0300 | [diff] [blame] | 2192 | err = add_res_range(dev, slave, index, 1, RES_COUNTER, port); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2193 | if (err) { |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2194 | __mlx4_counter_free(dev, index); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2195 | mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); |
| 2196 | } else { |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2197 | set_param_l(out_param, index); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2198 | } |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2199 | |
| 2200 | return err; |
| 2201 | } |
| 2202 | |
| 2203 | static int xrcdn_alloc_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 2204 | u64 in_param, u64 *out_param) |
| 2205 | { |
| 2206 | u32 xrcdn; |
| 2207 | int err; |
| 2208 | |
| 2209 | if (op != RES_OP_RESERVE) |
| 2210 | return -EINVAL; |
| 2211 | |
| 2212 | err = __mlx4_xrcd_alloc(dev, &xrcdn); |
| 2213 | if (err) |
| 2214 | return err; |
| 2215 | |
| 2216 | err = add_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0); |
| 2217 | if (err) |
| 2218 | __mlx4_xrcd_free(dev, xrcdn); |
| 2219 | else |
| 2220 | set_param_l(out_param, xrcdn); |
| 2221 | |
| 2222 | return err; |
| 2223 | } |
| 2224 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2225 | int mlx4_ALLOC_RES_wrapper(struct mlx4_dev *dev, int slave, |
| 2226 | struct mlx4_vhcr *vhcr, |
| 2227 | struct mlx4_cmd_mailbox *inbox, |
| 2228 | struct mlx4_cmd_mailbox *outbox, |
| 2229 | struct mlx4_cmd_info *cmd) |
| 2230 | { |
| 2231 | int err; |
| 2232 | int alop = vhcr->op_modifier; |
| 2233 | |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 2234 | switch (vhcr->in_modifier & 0xFF) { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2235 | case RES_QP: |
| 2236 | err = qp_alloc_res(dev, slave, vhcr->op_modifier, alop, |
| 2237 | vhcr->in_param, &vhcr->out_param); |
| 2238 | break; |
| 2239 | |
| 2240 | case RES_MTT: |
| 2241 | err = mtt_alloc_res(dev, slave, vhcr->op_modifier, alop, |
| 2242 | vhcr->in_param, &vhcr->out_param); |
| 2243 | break; |
| 2244 | |
| 2245 | case RES_MPT: |
| 2246 | err = mpt_alloc_res(dev, slave, vhcr->op_modifier, alop, |
| 2247 | vhcr->in_param, &vhcr->out_param); |
| 2248 | break; |
| 2249 | |
| 2250 | case RES_CQ: |
| 2251 | err = cq_alloc_res(dev, slave, vhcr->op_modifier, alop, |
| 2252 | vhcr->in_param, &vhcr->out_param); |
| 2253 | break; |
| 2254 | |
| 2255 | case RES_SRQ: |
| 2256 | err = srq_alloc_res(dev, slave, vhcr->op_modifier, alop, |
| 2257 | vhcr->in_param, &vhcr->out_param); |
| 2258 | break; |
| 2259 | |
| 2260 | case RES_MAC: |
| 2261 | err = mac_alloc_res(dev, slave, vhcr->op_modifier, alop, |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 2262 | vhcr->in_param, &vhcr->out_param, |
| 2263 | (vhcr->in_modifier >> 8) & 0xFF); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2264 | break; |
| 2265 | |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 2266 | case RES_VLAN: |
| 2267 | err = vlan_alloc_res(dev, slave, vhcr->op_modifier, alop, |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 2268 | vhcr->in_param, &vhcr->out_param, |
| 2269 | (vhcr->in_modifier >> 8) & 0xFF); |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 2270 | break; |
| 2271 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2272 | case RES_COUNTER: |
| 2273 | err = counter_alloc_res(dev, slave, vhcr->op_modifier, alop, |
Eran Ben Elisha | 6823024 | 2015-06-15 17:59:01 +0300 | [diff] [blame] | 2274 | vhcr->in_param, &vhcr->out_param, 0); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2275 | break; |
| 2276 | |
| 2277 | case RES_XRCD: |
| 2278 | err = xrcdn_alloc_res(dev, slave, vhcr->op_modifier, alop, |
| 2279 | vhcr->in_param, &vhcr->out_param); |
| 2280 | break; |
| 2281 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2282 | default: |
| 2283 | err = -EINVAL; |
| 2284 | break; |
| 2285 | } |
| 2286 | |
| 2287 | return err; |
| 2288 | } |
| 2289 | |
| 2290 | static int qp_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 2291 | u64 in_param) |
| 2292 | { |
| 2293 | int err; |
| 2294 | int count; |
| 2295 | int base; |
| 2296 | int qpn; |
| 2297 | |
| 2298 | switch (op) { |
| 2299 | case RES_OP_RESERVE: |
| 2300 | base = get_param_l(&in_param) & 0x7fffff; |
| 2301 | count = get_param_h(&in_param); |
| 2302 | err = rem_res_range(dev, slave, base, count, RES_QP, 0); |
| 2303 | if (err) |
| 2304 | break; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2305 | mlx4_release_resource(dev, slave, RES_QP, count, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2306 | __mlx4_qp_release_range(dev, base, count); |
| 2307 | break; |
| 2308 | case RES_OP_MAP_ICM: |
| 2309 | qpn = get_param_l(&in_param) & 0x7fffff; |
| 2310 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_RESERVED, |
| 2311 | NULL, 0); |
| 2312 | if (err) |
| 2313 | return err; |
| 2314 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 2315 | if (!fw_reserved(dev, qpn)) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2316 | __mlx4_qp_free_icm(dev, qpn); |
| 2317 | |
| 2318 | res_end_move(dev, slave, RES_QP, qpn); |
| 2319 | |
| 2320 | if (valid_reserved(dev, slave, qpn)) |
| 2321 | err = rem_res_range(dev, slave, qpn, 1, RES_QP, 0); |
| 2322 | break; |
| 2323 | default: |
| 2324 | err = -EINVAL; |
| 2325 | break; |
| 2326 | } |
| 2327 | return err; |
| 2328 | } |
| 2329 | |
| 2330 | static int mtt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 2331 | u64 in_param, u64 *out_param) |
| 2332 | { |
| 2333 | int err = -EINVAL; |
| 2334 | int base; |
| 2335 | int order; |
| 2336 | |
| 2337 | if (op != RES_OP_RESERVE_AND_MAP) |
| 2338 | return err; |
| 2339 | |
| 2340 | base = get_param_l(&in_param); |
| 2341 | order = get_param_h(&in_param); |
| 2342 | err = rem_res_range(dev, slave, base, 1, RES_MTT, order); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2343 | if (!err) { |
| 2344 | mlx4_release_resource(dev, slave, RES_MTT, 1 << order, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2345 | __mlx4_free_mtt_range(dev, base, order); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2346 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2347 | return err; |
| 2348 | } |
| 2349 | |
| 2350 | static int mpt_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 2351 | u64 in_param) |
| 2352 | { |
| 2353 | int err = -EINVAL; |
| 2354 | int index; |
| 2355 | int id; |
| 2356 | struct res_mpt *mpt; |
| 2357 | |
| 2358 | switch (op) { |
| 2359 | case RES_OP_RESERVE: |
| 2360 | index = get_param_l(&in_param); |
| 2361 | id = index & mpt_mask(dev); |
| 2362 | err = get_res(dev, slave, id, RES_MPT, &mpt); |
| 2363 | if (err) |
| 2364 | break; |
| 2365 | index = mpt->key; |
| 2366 | put_res(dev, slave, id, RES_MPT); |
| 2367 | |
| 2368 | err = rem_res_range(dev, slave, id, 1, RES_MPT, 0); |
| 2369 | if (err) |
| 2370 | break; |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2371 | mlx4_release_resource(dev, slave, RES_MPT, 1, 0); |
Shani Michaeli | b20e519 | 2013-02-06 16:19:08 +0000 | [diff] [blame] | 2372 | __mlx4_mpt_release(dev, index); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2373 | break; |
| 2374 | case RES_OP_MAP_ICM: |
Christophe Jaillet | 5d4de16 | 2016-07-02 14:31:05 +0200 | [diff] [blame] | 2375 | index = get_param_l(&in_param); |
| 2376 | id = index & mpt_mask(dev); |
| 2377 | err = mr_res_start_move_to(dev, slave, id, |
| 2378 | RES_MPT_RESERVED, &mpt); |
| 2379 | if (err) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2380 | return err; |
Christophe Jaillet | 5d4de16 | 2016-07-02 14:31:05 +0200 | [diff] [blame] | 2381 | |
| 2382 | __mlx4_mpt_free_icm(dev, mpt->key); |
| 2383 | res_end_move(dev, slave, RES_MPT, id); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2384 | break; |
| 2385 | default: |
| 2386 | err = -EINVAL; |
| 2387 | break; |
| 2388 | } |
| 2389 | return err; |
| 2390 | } |
| 2391 | |
| 2392 | static int cq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 2393 | u64 in_param, u64 *out_param) |
| 2394 | { |
| 2395 | int cqn; |
| 2396 | int err; |
| 2397 | |
| 2398 | switch (op) { |
| 2399 | case RES_OP_RESERVE_AND_MAP: |
| 2400 | cqn = get_param_l(&in_param); |
| 2401 | err = rem_res_range(dev, slave, cqn, 1, RES_CQ, 0); |
| 2402 | if (err) |
| 2403 | break; |
| 2404 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2405 | mlx4_release_resource(dev, slave, RES_CQ, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2406 | __mlx4_cq_free_icm(dev, cqn); |
| 2407 | break; |
| 2408 | |
| 2409 | default: |
| 2410 | err = -EINVAL; |
| 2411 | break; |
| 2412 | } |
| 2413 | |
| 2414 | return err; |
| 2415 | } |
| 2416 | |
| 2417 | static int srq_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 2418 | u64 in_param, u64 *out_param) |
| 2419 | { |
| 2420 | int srqn; |
| 2421 | int err; |
| 2422 | |
| 2423 | switch (op) { |
| 2424 | case RES_OP_RESERVE_AND_MAP: |
| 2425 | srqn = get_param_l(&in_param); |
| 2426 | err = rem_res_range(dev, slave, srqn, 1, RES_SRQ, 0); |
| 2427 | if (err) |
| 2428 | break; |
| 2429 | |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2430 | mlx4_release_resource(dev, slave, RES_SRQ, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2431 | __mlx4_srq_free_icm(dev, srqn); |
| 2432 | break; |
| 2433 | |
| 2434 | default: |
| 2435 | err = -EINVAL; |
| 2436 | break; |
| 2437 | } |
| 2438 | |
| 2439 | return err; |
| 2440 | } |
| 2441 | |
| 2442 | 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] | 2443 | u64 in_param, u64 *out_param, int in_port) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2444 | { |
| 2445 | int port; |
| 2446 | int err = 0; |
| 2447 | |
| 2448 | switch (op) { |
| 2449 | case RES_OP_RESERVE_AND_MAP: |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 2450 | port = !in_port ? get_param_l(out_param) : in_port; |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 2451 | port = mlx4_slave_convert_port( |
| 2452 | dev, slave, port); |
| 2453 | |
| 2454 | if (port < 0) |
| 2455 | return -EINVAL; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2456 | mac_del_from_slave(dev, slave, in_param, port); |
| 2457 | __mlx4_unregister_mac(dev, port, in_param); |
| 2458 | break; |
| 2459 | default: |
| 2460 | err = -EINVAL; |
| 2461 | break; |
| 2462 | } |
| 2463 | |
| 2464 | return err; |
| 2465 | |
| 2466 | } |
| 2467 | |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 2468 | 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] | 2469 | u64 in_param, u64 *out_param, int port) |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 2470 | { |
Jack Morgenstein | 2c957ff | 2013-11-03 10:03:21 +0200 | [diff] [blame] | 2471 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 2472 | struct mlx4_slave_state *slave_state = priv->mfunc.master.slave_state; |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2473 | int err = 0; |
| 2474 | |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 2475 | port = mlx4_slave_convert_port( |
| 2476 | dev, slave, port); |
| 2477 | |
| 2478 | if (port < 0) |
| 2479 | return -EINVAL; |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2480 | switch (op) { |
| 2481 | case RES_OP_RESERVE_AND_MAP: |
Jack Morgenstein | 2c957ff | 2013-11-03 10:03:21 +0200 | [diff] [blame] | 2482 | if (slave_state[slave].old_vlan_api) |
| 2483 | return 0; |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 2484 | if (!port) |
| 2485 | return -EINVAL; |
| 2486 | vlan_del_from_slave(dev, slave, in_param, port); |
| 2487 | __mlx4_unregister_vlan(dev, port, in_param); |
| 2488 | break; |
| 2489 | default: |
| 2490 | err = -EINVAL; |
| 2491 | break; |
| 2492 | } |
| 2493 | |
| 2494 | return err; |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 2495 | } |
| 2496 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2497 | static int counter_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 2498 | u64 in_param, u64 *out_param) |
| 2499 | { |
| 2500 | int index; |
| 2501 | int err; |
| 2502 | |
| 2503 | if (op != RES_OP_RESERVE) |
| 2504 | return -EINVAL; |
| 2505 | |
| 2506 | index = get_param_l(&in_param); |
Eran Ben Elisha | 9de92c6 | 2015-06-15 17:59:00 +0300 | [diff] [blame] | 2507 | if (index == MLX4_SINK_COUNTER_INDEX(dev)) |
| 2508 | return 0; |
| 2509 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2510 | err = rem_res_range(dev, slave, index, 1, RES_COUNTER, 0); |
| 2511 | if (err) |
| 2512 | return err; |
| 2513 | |
| 2514 | __mlx4_counter_free(dev, index); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 2515 | mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2516 | |
| 2517 | return err; |
| 2518 | } |
| 2519 | |
| 2520 | static int xrcdn_free_res(struct mlx4_dev *dev, int slave, int op, int cmd, |
| 2521 | u64 in_param, u64 *out_param) |
| 2522 | { |
| 2523 | int xrcdn; |
| 2524 | int err; |
| 2525 | |
| 2526 | if (op != RES_OP_RESERVE) |
| 2527 | return -EINVAL; |
| 2528 | |
| 2529 | xrcdn = get_param_l(&in_param); |
| 2530 | err = rem_res_range(dev, slave, xrcdn, 1, RES_XRCD, 0); |
| 2531 | if (err) |
| 2532 | return err; |
| 2533 | |
| 2534 | __mlx4_xrcd_free(dev, xrcdn); |
| 2535 | |
| 2536 | return err; |
| 2537 | } |
| 2538 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2539 | int mlx4_FREE_RES_wrapper(struct mlx4_dev *dev, int slave, |
| 2540 | struct mlx4_vhcr *vhcr, |
| 2541 | struct mlx4_cmd_mailbox *inbox, |
| 2542 | struct mlx4_cmd_mailbox *outbox, |
| 2543 | struct mlx4_cmd_info *cmd) |
| 2544 | { |
| 2545 | int err = -EINVAL; |
| 2546 | int alop = vhcr->op_modifier; |
| 2547 | |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 2548 | switch (vhcr->in_modifier & 0xFF) { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2549 | case RES_QP: |
| 2550 | err = qp_free_res(dev, slave, vhcr->op_modifier, alop, |
| 2551 | vhcr->in_param); |
| 2552 | break; |
| 2553 | |
| 2554 | case RES_MTT: |
| 2555 | err = mtt_free_res(dev, slave, vhcr->op_modifier, alop, |
| 2556 | vhcr->in_param, &vhcr->out_param); |
| 2557 | break; |
| 2558 | |
| 2559 | case RES_MPT: |
| 2560 | err = mpt_free_res(dev, slave, vhcr->op_modifier, alop, |
| 2561 | vhcr->in_param); |
| 2562 | break; |
| 2563 | |
| 2564 | case RES_CQ: |
| 2565 | err = cq_free_res(dev, slave, vhcr->op_modifier, alop, |
| 2566 | vhcr->in_param, &vhcr->out_param); |
| 2567 | break; |
| 2568 | |
| 2569 | case RES_SRQ: |
| 2570 | err = srq_free_res(dev, slave, vhcr->op_modifier, alop, |
| 2571 | vhcr->in_param, &vhcr->out_param); |
| 2572 | break; |
| 2573 | |
| 2574 | case RES_MAC: |
| 2575 | err = mac_free_res(dev, slave, vhcr->op_modifier, alop, |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 2576 | vhcr->in_param, &vhcr->out_param, |
| 2577 | (vhcr->in_modifier >> 8) & 0xFF); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2578 | break; |
| 2579 | |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 2580 | case RES_VLAN: |
| 2581 | err = vlan_free_res(dev, slave, vhcr->op_modifier, alop, |
Jack Morgenstein | acddd5d | 2013-11-03 10:03:18 +0200 | [diff] [blame] | 2582 | vhcr->in_param, &vhcr->out_param, |
| 2583 | (vhcr->in_modifier >> 8) & 0xFF); |
Eugenia Emantayev | ffe455a | 2011-12-13 04:16:21 +0000 | [diff] [blame] | 2584 | break; |
| 2585 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 2586 | case RES_COUNTER: |
| 2587 | err = counter_free_res(dev, slave, vhcr->op_modifier, alop, |
| 2588 | vhcr->in_param, &vhcr->out_param); |
| 2589 | break; |
| 2590 | |
| 2591 | case RES_XRCD: |
| 2592 | err = xrcdn_free_res(dev, slave, vhcr->op_modifier, alop, |
| 2593 | vhcr->in_param, &vhcr->out_param); |
| 2594 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2595 | default: |
| 2596 | break; |
| 2597 | } |
| 2598 | return err; |
| 2599 | } |
| 2600 | |
| 2601 | /* ugly but other choices are uglier */ |
| 2602 | static int mr_phys_mpt(struct mlx4_mpt_entry *mpt) |
| 2603 | { |
| 2604 | return (be32_to_cpu(mpt->flags) >> 9) & 1; |
| 2605 | } |
| 2606 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2607 | static int mr_get_mtt_addr(struct mlx4_mpt_entry *mpt) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2608 | { |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2609 | return (int)be64_to_cpu(mpt->mtt_addr) & 0xfffffff8; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2610 | } |
| 2611 | |
| 2612 | static int mr_get_mtt_size(struct mlx4_mpt_entry *mpt) |
| 2613 | { |
| 2614 | return be32_to_cpu(mpt->mtt_sz); |
| 2615 | } |
| 2616 | |
Shani Michaeli | cc1ade9 | 2013-02-06 16:19:10 +0000 | [diff] [blame] | 2617 | static u32 mr_get_pd(struct mlx4_mpt_entry *mpt) |
| 2618 | { |
| 2619 | return be32_to_cpu(mpt->pd_flags) & 0x00ffffff; |
| 2620 | } |
| 2621 | |
| 2622 | static int mr_is_fmr(struct mlx4_mpt_entry *mpt) |
| 2623 | { |
| 2624 | return be32_to_cpu(mpt->pd_flags) & MLX4_MPT_PD_FLAG_FAST_REG; |
| 2625 | } |
| 2626 | |
| 2627 | static int mr_is_bind_enabled(struct mlx4_mpt_entry *mpt) |
| 2628 | { |
| 2629 | return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_BIND_ENABLE; |
| 2630 | } |
| 2631 | |
| 2632 | static int mr_is_region(struct mlx4_mpt_entry *mpt) |
| 2633 | { |
| 2634 | return be32_to_cpu(mpt->flags) & MLX4_MPT_FLAG_REGION; |
| 2635 | } |
| 2636 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2637 | static int qp_get_mtt_addr(struct mlx4_qp_context *qpc) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2638 | { |
| 2639 | return be32_to_cpu(qpc->mtt_base_addr_l) & 0xfffffff8; |
| 2640 | } |
| 2641 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2642 | static int srq_get_mtt_addr(struct mlx4_srq_context *srqc) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2643 | { |
| 2644 | return be32_to_cpu(srqc->mtt_base_addr_l) & 0xfffffff8; |
| 2645 | } |
| 2646 | |
| 2647 | static int qp_get_mtt_size(struct mlx4_qp_context *qpc) |
| 2648 | { |
| 2649 | int page_shift = (qpc->log_page_size & 0x3f) + 12; |
| 2650 | int log_sq_size = (qpc->sq_size_stride >> 3) & 0xf; |
| 2651 | int log_sq_sride = qpc->sq_size_stride & 7; |
| 2652 | int log_rq_size = (qpc->rq_size_stride >> 3) & 0xf; |
| 2653 | int log_rq_stride = qpc->rq_size_stride & 7; |
| 2654 | int srq = (be32_to_cpu(qpc->srqn) >> 24) & 1; |
| 2655 | int rss = (be32_to_cpu(qpc->flags) >> 13) & 1; |
Yishai Hadas | 5c5f3f0 | 2013-08-01 18:49:52 +0300 | [diff] [blame] | 2656 | u32 ts = (be32_to_cpu(qpc->flags) >> 16) & 0xff; |
| 2657 | int xrc = (ts == MLX4_QP_ST_XRC) ? 1 : 0; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2658 | int sq_size; |
| 2659 | int rq_size; |
| 2660 | int total_pages; |
| 2661 | int total_mem; |
| 2662 | int page_offset = (be32_to_cpu(qpc->params2) >> 6) & 0x3f; |
| 2663 | |
| 2664 | sq_size = 1 << (log_sq_size + log_sq_sride + 4); |
| 2665 | rq_size = (srq|rss|xrc) ? 0 : (1 << (log_rq_size + log_rq_stride + 4)); |
| 2666 | total_mem = sq_size + rq_size; |
| 2667 | total_pages = |
| 2668 | roundup_pow_of_two((total_mem + (page_offset << 6)) >> |
| 2669 | page_shift); |
| 2670 | |
| 2671 | return total_pages; |
| 2672 | } |
| 2673 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2674 | static int check_mtt_range(struct mlx4_dev *dev, int slave, int start, |
| 2675 | int size, struct res_mtt *mtt) |
| 2676 | { |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2677 | int res_start = mtt->com.res_id; |
| 2678 | int res_size = (1 << mtt->order); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2679 | |
| 2680 | if (start < res_start || start + size > res_start + res_size) |
| 2681 | return -EPERM; |
| 2682 | return 0; |
| 2683 | } |
| 2684 | |
| 2685 | int mlx4_SW2HW_MPT_wrapper(struct mlx4_dev *dev, int slave, |
| 2686 | struct mlx4_vhcr *vhcr, |
| 2687 | struct mlx4_cmd_mailbox *inbox, |
| 2688 | struct mlx4_cmd_mailbox *outbox, |
| 2689 | struct mlx4_cmd_info *cmd) |
| 2690 | { |
| 2691 | int err; |
| 2692 | int index = vhcr->in_modifier; |
| 2693 | struct res_mtt *mtt; |
| 2694 | struct res_mpt *mpt; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2695 | 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] | 2696 | int phys; |
| 2697 | int id; |
Shani Michaeli | cc1ade9 | 2013-02-06 16:19:10 +0000 | [diff] [blame] | 2698 | u32 pd; |
| 2699 | int pd_slave; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2700 | |
| 2701 | id = index & mpt_mask(dev); |
| 2702 | err = mr_res_start_move_to(dev, slave, id, RES_MPT_HW, &mpt); |
| 2703 | if (err) |
| 2704 | return err; |
| 2705 | |
Shani Michaeli | cc1ade9 | 2013-02-06 16:19:10 +0000 | [diff] [blame] | 2706 | /* Disable memory windows for VFs. */ |
| 2707 | if (!mr_is_region(inbox->buf)) { |
| 2708 | err = -EPERM; |
| 2709 | goto ex_abort; |
| 2710 | } |
| 2711 | |
| 2712 | /* Make sure that the PD bits related to the slave id are zeros. */ |
| 2713 | pd = mr_get_pd(inbox->buf); |
| 2714 | pd_slave = (pd >> 17) & 0x7f; |
Maor Gottlieb | b332068 | 2015-02-03 17:57:15 +0200 | [diff] [blame] | 2715 | if (pd_slave != 0 && --pd_slave != slave) { |
Shani Michaeli | cc1ade9 | 2013-02-06 16:19:10 +0000 | [diff] [blame] | 2716 | err = -EPERM; |
| 2717 | goto ex_abort; |
| 2718 | } |
| 2719 | |
| 2720 | if (mr_is_fmr(inbox->buf)) { |
| 2721 | /* FMR and Bind Enable are forbidden in slave devices. */ |
| 2722 | if (mr_is_bind_enabled(inbox->buf)) { |
| 2723 | err = -EPERM; |
| 2724 | goto ex_abort; |
| 2725 | } |
| 2726 | /* FMR and Memory Windows are also forbidden. */ |
| 2727 | if (!mr_is_region(inbox->buf)) { |
| 2728 | err = -EPERM; |
| 2729 | goto ex_abort; |
| 2730 | } |
| 2731 | } |
| 2732 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2733 | phys = mr_phys_mpt(inbox->buf); |
| 2734 | if (!phys) { |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2735 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2736 | if (err) |
| 2737 | goto ex_abort; |
| 2738 | |
| 2739 | err = check_mtt_range(dev, slave, mtt_base, |
| 2740 | mr_get_mtt_size(inbox->buf), mtt); |
| 2741 | if (err) |
| 2742 | goto ex_put; |
| 2743 | |
| 2744 | mpt->mtt = mtt; |
| 2745 | } |
| 2746 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2747 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 2748 | if (err) |
| 2749 | goto ex_put; |
| 2750 | |
| 2751 | if (!phys) { |
| 2752 | atomic_inc(&mtt->ref_count); |
| 2753 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 2754 | } |
| 2755 | |
| 2756 | res_end_move(dev, slave, RES_MPT, id); |
| 2757 | return 0; |
| 2758 | |
| 2759 | ex_put: |
| 2760 | if (!phys) |
| 2761 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 2762 | ex_abort: |
| 2763 | res_abort_move(dev, slave, RES_MPT, id); |
| 2764 | |
| 2765 | return err; |
| 2766 | } |
| 2767 | |
| 2768 | int mlx4_HW2SW_MPT_wrapper(struct mlx4_dev *dev, int slave, |
| 2769 | struct mlx4_vhcr *vhcr, |
| 2770 | struct mlx4_cmd_mailbox *inbox, |
| 2771 | struct mlx4_cmd_mailbox *outbox, |
| 2772 | struct mlx4_cmd_info *cmd) |
| 2773 | { |
| 2774 | int err; |
| 2775 | int index = vhcr->in_modifier; |
| 2776 | struct res_mpt *mpt; |
| 2777 | int id; |
| 2778 | |
| 2779 | id = index & mpt_mask(dev); |
| 2780 | err = mr_res_start_move_to(dev, slave, id, RES_MPT_MAPPED, &mpt); |
| 2781 | if (err) |
| 2782 | return err; |
| 2783 | |
| 2784 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 2785 | if (err) |
| 2786 | goto ex_abort; |
| 2787 | |
| 2788 | if (mpt->mtt) |
| 2789 | atomic_dec(&mpt->mtt->ref_count); |
| 2790 | |
| 2791 | res_end_move(dev, slave, RES_MPT, id); |
| 2792 | return 0; |
| 2793 | |
| 2794 | ex_abort: |
| 2795 | res_abort_move(dev, slave, RES_MPT, id); |
| 2796 | |
| 2797 | return err; |
| 2798 | } |
| 2799 | |
| 2800 | int mlx4_QUERY_MPT_wrapper(struct mlx4_dev *dev, int slave, |
| 2801 | struct mlx4_vhcr *vhcr, |
| 2802 | struct mlx4_cmd_mailbox *inbox, |
| 2803 | struct mlx4_cmd_mailbox *outbox, |
| 2804 | struct mlx4_cmd_info *cmd) |
| 2805 | { |
| 2806 | int err; |
| 2807 | int index = vhcr->in_modifier; |
| 2808 | struct res_mpt *mpt; |
| 2809 | int id; |
| 2810 | |
| 2811 | id = index & mpt_mask(dev); |
| 2812 | err = get_res(dev, slave, id, RES_MPT, &mpt); |
| 2813 | if (err) |
| 2814 | return err; |
| 2815 | |
Matan Barak | e630664 | 2014-07-31 11:01:29 +0300 | [diff] [blame] | 2816 | if (mpt->com.from_state == RES_MPT_MAPPED) { |
| 2817 | /* In order to allow rereg in SRIOV, we need to alter the MPT entry. To do |
| 2818 | * that, the VF must read the MPT. But since the MPT entry memory is not |
| 2819 | * in the VF's virtual memory space, it must use QUERY_MPT to obtain the |
| 2820 | * entry contents. To guarantee that the MPT cannot be changed, the driver |
| 2821 | * must perform HW2SW_MPT before this query and return the MPT entry to HW |
| 2822 | * ownership fofollowing the change. The change here allows the VF to |
| 2823 | * perform QUERY_MPT also when the entry is in SW ownership. |
| 2824 | */ |
| 2825 | struct mlx4_mpt_entry *mpt_entry = mlx4_table_find( |
| 2826 | &mlx4_priv(dev)->mr_table.dmpt_table, |
| 2827 | mpt->key, NULL); |
| 2828 | |
| 2829 | if (NULL == mpt_entry || NULL == outbox->buf) { |
| 2830 | err = -EINVAL; |
| 2831 | goto out; |
| 2832 | } |
| 2833 | |
| 2834 | memcpy(outbox->buf, mpt_entry, sizeof(*mpt_entry)); |
| 2835 | |
| 2836 | err = 0; |
| 2837 | } else if (mpt->com.from_state == RES_MPT_HW) { |
| 2838 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 2839 | } else { |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2840 | err = -EBUSY; |
| 2841 | goto out; |
| 2842 | } |
| 2843 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2844 | |
| 2845 | out: |
| 2846 | put_res(dev, slave, id, RES_MPT); |
| 2847 | return err; |
| 2848 | } |
| 2849 | |
| 2850 | static int qp_get_rcqn(struct mlx4_qp_context *qpc) |
| 2851 | { |
| 2852 | return be32_to_cpu(qpc->cqn_recv) & 0xffffff; |
| 2853 | } |
| 2854 | |
| 2855 | static int qp_get_scqn(struct mlx4_qp_context *qpc) |
| 2856 | { |
| 2857 | return be32_to_cpu(qpc->cqn_send) & 0xffffff; |
| 2858 | } |
| 2859 | |
| 2860 | static u32 qp_get_srqn(struct mlx4_qp_context *qpc) |
| 2861 | { |
| 2862 | return be32_to_cpu(qpc->srqn) & 0x1ffffff; |
| 2863 | } |
| 2864 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 2865 | static void adjust_proxy_tun_qkey(struct mlx4_dev *dev, struct mlx4_vhcr *vhcr, |
| 2866 | struct mlx4_qp_context *context) |
| 2867 | { |
| 2868 | u32 qpn = vhcr->in_modifier & 0xffffff; |
| 2869 | u32 qkey = 0; |
| 2870 | |
| 2871 | if (mlx4_get_parav_qkey(dev, qpn, &qkey)) |
| 2872 | return; |
| 2873 | |
| 2874 | /* adjust qkey in qp context */ |
| 2875 | context->qkey = cpu_to_be32(qkey); |
| 2876 | } |
| 2877 | |
Or Gerlitz | e5dfbf9 | 2015-05-21 15:14:09 +0300 | [diff] [blame] | 2878 | static int adjust_qp_sched_queue(struct mlx4_dev *dev, int slave, |
| 2879 | struct mlx4_qp_context *qpc, |
| 2880 | struct mlx4_cmd_mailbox *inbox); |
| 2881 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2882 | int mlx4_RST2INIT_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 2883 | struct mlx4_vhcr *vhcr, |
| 2884 | struct mlx4_cmd_mailbox *inbox, |
| 2885 | struct mlx4_cmd_mailbox *outbox, |
| 2886 | struct mlx4_cmd_info *cmd) |
| 2887 | { |
| 2888 | int err; |
| 2889 | int qpn = vhcr->in_modifier & 0x7fffff; |
| 2890 | struct res_mtt *mtt; |
| 2891 | struct res_qp *qp; |
| 2892 | struct mlx4_qp_context *qpc = inbox->buf + 8; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2893 | 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] | 2894 | int mtt_size = qp_get_mtt_size(qpc); |
| 2895 | struct res_cq *rcq; |
| 2896 | struct res_cq *scq; |
| 2897 | int rcqn = qp_get_rcqn(qpc); |
| 2898 | int scqn = qp_get_scqn(qpc); |
| 2899 | u32 srqn = qp_get_srqn(qpc) & 0xffffff; |
| 2900 | int use_srq = (qp_get_srqn(qpc) >> 24) & 1; |
| 2901 | struct res_srq *srq; |
| 2902 | int local_qpn = be32_to_cpu(qpc->local_qpn) & 0xffffff; |
| 2903 | |
Or Gerlitz | e5dfbf9 | 2015-05-21 15:14:09 +0300 | [diff] [blame] | 2904 | err = adjust_qp_sched_queue(dev, slave, qpc, inbox); |
| 2905 | if (err) |
| 2906 | return err; |
| 2907 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2908 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_HW, &qp, 0); |
| 2909 | if (err) |
| 2910 | return err; |
| 2911 | qp->local_qpn = local_qpn; |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 2912 | qp->sched_queue = 0; |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 2913 | qp->param3 = 0; |
| 2914 | qp->vlan_control = 0; |
| 2915 | qp->fvl_rx = 0; |
| 2916 | qp->pri_path_fl = 0; |
| 2917 | qp->vlan_index = 0; |
| 2918 | qp->feup = 0; |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 2919 | qp->qpc_flags = be32_to_cpu(qpc->flags); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2920 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2921 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2922 | if (err) |
| 2923 | goto ex_abort; |
| 2924 | |
| 2925 | err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt); |
| 2926 | if (err) |
| 2927 | goto ex_put_mtt; |
| 2928 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2929 | err = get_res(dev, slave, rcqn, RES_CQ, &rcq); |
| 2930 | if (err) |
| 2931 | goto ex_put_mtt; |
| 2932 | |
| 2933 | if (scqn != rcqn) { |
| 2934 | err = get_res(dev, slave, scqn, RES_CQ, &scq); |
| 2935 | if (err) |
| 2936 | goto ex_put_rcq; |
| 2937 | } else |
| 2938 | scq = rcq; |
| 2939 | |
| 2940 | if (use_srq) { |
| 2941 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); |
| 2942 | if (err) |
| 2943 | goto ex_put_scq; |
| 2944 | } |
| 2945 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 2946 | adjust_proxy_tun_qkey(dev, vhcr, qpc); |
| 2947 | update_pkey_index(dev, slave, inbox); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2948 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 2949 | if (err) |
| 2950 | goto ex_put_srq; |
| 2951 | atomic_inc(&mtt->ref_count); |
| 2952 | qp->mtt = mtt; |
| 2953 | atomic_inc(&rcq->ref_count); |
| 2954 | qp->rcq = rcq; |
| 2955 | atomic_inc(&scq->ref_count); |
| 2956 | qp->scq = scq; |
| 2957 | |
| 2958 | if (scqn != rcqn) |
| 2959 | put_res(dev, slave, scqn, RES_CQ); |
| 2960 | |
| 2961 | if (use_srq) { |
| 2962 | atomic_inc(&srq->ref_count); |
| 2963 | put_res(dev, slave, srqn, RES_SRQ); |
| 2964 | qp->srq = srq; |
| 2965 | } |
| 2966 | put_res(dev, slave, rcqn, RES_CQ); |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2967 | put_res(dev, slave, mtt_base, RES_MTT); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2968 | res_end_move(dev, slave, RES_QP, qpn); |
| 2969 | |
| 2970 | return 0; |
| 2971 | |
| 2972 | ex_put_srq: |
| 2973 | if (use_srq) |
| 2974 | put_res(dev, slave, srqn, RES_SRQ); |
| 2975 | ex_put_scq: |
| 2976 | if (scqn != rcqn) |
| 2977 | put_res(dev, slave, scqn, RES_CQ); |
| 2978 | ex_put_rcq: |
| 2979 | put_res(dev, slave, rcqn, RES_CQ); |
| 2980 | ex_put_mtt: |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2981 | put_res(dev, slave, mtt_base, RES_MTT); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2982 | ex_abort: |
| 2983 | res_abort_move(dev, slave, RES_QP, qpn); |
| 2984 | |
| 2985 | return err; |
| 2986 | } |
| 2987 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 2988 | static int eq_get_mtt_addr(struct mlx4_eq_context *eqc) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 2989 | { |
| 2990 | return be32_to_cpu(eqc->mtt_base_addr_l) & 0xfffffff8; |
| 2991 | } |
| 2992 | |
| 2993 | static int eq_get_mtt_size(struct mlx4_eq_context *eqc) |
| 2994 | { |
| 2995 | int log_eq_size = eqc->log_eq_size & 0x1f; |
| 2996 | int page_shift = (eqc->log_page_size & 0x3f) + 12; |
| 2997 | |
| 2998 | if (log_eq_size + 5 < page_shift) |
| 2999 | return 1; |
| 3000 | |
| 3001 | return 1 << (log_eq_size + 5 - page_shift); |
| 3002 | } |
| 3003 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 3004 | static int cq_get_mtt_addr(struct mlx4_cq_context *cqc) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3005 | { |
| 3006 | return be32_to_cpu(cqc->mtt_base_addr_l) & 0xfffffff8; |
| 3007 | } |
| 3008 | |
| 3009 | static int cq_get_mtt_size(struct mlx4_cq_context *cqc) |
| 3010 | { |
| 3011 | int log_cq_size = (be32_to_cpu(cqc->logsize_usrpage) >> 24) & 0x1f; |
| 3012 | int page_shift = (cqc->log_page_size & 0x3f) + 12; |
| 3013 | |
| 3014 | if (log_cq_size + 5 < page_shift) |
| 3015 | return 1; |
| 3016 | |
| 3017 | return 1 << (log_cq_size + 5 - page_shift); |
| 3018 | } |
| 3019 | |
| 3020 | int mlx4_SW2HW_EQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3021 | struct mlx4_vhcr *vhcr, |
| 3022 | struct mlx4_cmd_mailbox *inbox, |
| 3023 | struct mlx4_cmd_mailbox *outbox, |
| 3024 | struct mlx4_cmd_info *cmd) |
| 3025 | { |
| 3026 | int err; |
| 3027 | int eqn = vhcr->in_modifier; |
Yishai Hadas | 2d3c739 | 2015-05-05 17:07:12 +0300 | [diff] [blame] | 3028 | int res_id = (slave << 10) | eqn; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3029 | struct mlx4_eq_context *eqc = inbox->buf; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 3030 | 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] | 3031 | int mtt_size = eq_get_mtt_size(eqc); |
| 3032 | struct res_eq *eq; |
| 3033 | struct res_mtt *mtt; |
| 3034 | |
| 3035 | err = add_res_range(dev, slave, res_id, 1, RES_EQ, 0); |
| 3036 | if (err) |
| 3037 | return err; |
| 3038 | err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_HW, &eq); |
| 3039 | if (err) |
| 3040 | goto out_add; |
| 3041 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 3042 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3043 | if (err) |
| 3044 | goto out_move; |
| 3045 | |
| 3046 | err = check_mtt_range(dev, slave, mtt_base, mtt_size, mtt); |
| 3047 | if (err) |
| 3048 | goto out_put; |
| 3049 | |
| 3050 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3051 | if (err) |
| 3052 | goto out_put; |
| 3053 | |
| 3054 | atomic_inc(&mtt->ref_count); |
| 3055 | eq->mtt = mtt; |
| 3056 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 3057 | res_end_move(dev, slave, RES_EQ, res_id); |
| 3058 | return 0; |
| 3059 | |
| 3060 | out_put: |
| 3061 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 3062 | out_move: |
| 3063 | res_abort_move(dev, slave, RES_EQ, res_id); |
| 3064 | out_add: |
| 3065 | rem_res_range(dev, slave, res_id, 1, RES_EQ, 0); |
| 3066 | return err; |
| 3067 | } |
| 3068 | |
Matan Barak | d475c95 | 2014-11-02 16:26:17 +0200 | [diff] [blame] | 3069 | int mlx4_CONFIG_DEV_wrapper(struct mlx4_dev *dev, int slave, |
| 3070 | struct mlx4_vhcr *vhcr, |
| 3071 | struct mlx4_cmd_mailbox *inbox, |
| 3072 | struct mlx4_cmd_mailbox *outbox, |
| 3073 | struct mlx4_cmd_info *cmd) |
| 3074 | { |
| 3075 | int err; |
| 3076 | u8 get = vhcr->op_modifier; |
| 3077 | |
| 3078 | if (get != 1) |
| 3079 | return -EPERM; |
| 3080 | |
| 3081 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3082 | |
| 3083 | return err; |
| 3084 | } |
| 3085 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3086 | static int get_containing_mtt(struct mlx4_dev *dev, int slave, int start, |
| 3087 | int len, struct res_mtt **res) |
| 3088 | { |
| 3089 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 3090 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 3091 | struct res_mtt *mtt; |
| 3092 | int err = -EINVAL; |
| 3093 | |
| 3094 | spin_lock_irq(mlx4_tlock(dev)); |
| 3095 | list_for_each_entry(mtt, &tracker->slave_list[slave].res_list[RES_MTT], |
| 3096 | com.list) { |
| 3097 | if (!check_mtt_range(dev, slave, start, len, mtt)) { |
| 3098 | *res = mtt; |
| 3099 | mtt->com.from_state = mtt->com.state; |
| 3100 | mtt->com.state = RES_MTT_BUSY; |
| 3101 | err = 0; |
| 3102 | break; |
| 3103 | } |
| 3104 | } |
| 3105 | spin_unlock_irq(mlx4_tlock(dev)); |
| 3106 | |
| 3107 | return err; |
| 3108 | } |
| 3109 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3110 | static int verify_qp_parameters(struct mlx4_dev *dev, |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 3111 | struct mlx4_vhcr *vhcr, |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3112 | struct mlx4_cmd_mailbox *inbox, |
| 3113 | enum qp_transition transition, u8 slave) |
| 3114 | { |
| 3115 | u32 qp_type; |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 3116 | u32 qpn; |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3117 | struct mlx4_qp_context *qp_ctx; |
| 3118 | enum mlx4_qp_optpar optpar; |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 3119 | int port; |
| 3120 | int num_gids; |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3121 | |
| 3122 | qp_ctx = inbox->buf + 8; |
| 3123 | qp_type = (be32_to_cpu(qp_ctx->flags) >> 16) & 0xff; |
| 3124 | optpar = be32_to_cpu(*(__be32 *) inbox->buf); |
| 3125 | |
Or Gerlitz | fc31e25 | 2015-03-18 14:57:34 +0200 | [diff] [blame] | 3126 | if (slave != mlx4_master_func_num(dev)) { |
Moni Shoua | 53f33ae | 2015-02-03 16:48:33 +0200 | [diff] [blame] | 3127 | qp_ctx->params2 &= ~MLX4_QP_BIT_FPP; |
Or Gerlitz | fc31e25 | 2015-03-18 14:57:34 +0200 | [diff] [blame] | 3128 | /* setting QP rate-limit is disallowed for VFs */ |
| 3129 | if (qp_ctx->rate_limit_params) |
| 3130 | return -EPERM; |
| 3131 | } |
Moni Shoua | 53f33ae | 2015-02-03 16:48:33 +0200 | [diff] [blame] | 3132 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3133 | switch (qp_type) { |
| 3134 | case MLX4_QP_ST_RC: |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 3135 | case MLX4_QP_ST_XRC: |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3136 | case MLX4_QP_ST_UC: |
| 3137 | switch (transition) { |
| 3138 | case QP_TRANS_INIT2RTR: |
| 3139 | case QP_TRANS_RTR2RTS: |
| 3140 | case QP_TRANS_RTS2RTS: |
| 3141 | case QP_TRANS_SQD2SQD: |
| 3142 | case QP_TRANS_SQD2RTS: |
Arnd Bergmann | baefd70 | 2016-03-14 15:18:34 +0100 | [diff] [blame] | 3143 | if (slave != mlx4_master_func_num(dev)) { |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 3144 | if (optpar & MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH) { |
| 3145 | port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; |
| 3146 | if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 3147 | num_gids = mlx4_get_slave_num_gids(dev, slave, port); |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 3148 | else |
| 3149 | num_gids = 1; |
| 3150 | if (qp_ctx->pri_path.mgid_index >= num_gids) |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3151 | return -EINVAL; |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 3152 | } |
| 3153 | if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) { |
| 3154 | port = (qp_ctx->alt_path.sched_queue >> 6 & 1) + 1; |
| 3155 | if (dev->caps.port_mask[port] != MLX4_PORT_TYPE_IB) |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 3156 | num_gids = mlx4_get_slave_num_gids(dev, slave, port); |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 3157 | else |
| 3158 | num_gids = 1; |
| 3159 | if (qp_ctx->alt_path.mgid_index >= num_gids) |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3160 | return -EINVAL; |
Jack Morgenstein | b6ffaef | 2014-03-12 12:00:39 +0200 | [diff] [blame] | 3161 | } |
Arnd Bergmann | baefd70 | 2016-03-14 15:18:34 +0100 | [diff] [blame] | 3162 | } |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3163 | break; |
| 3164 | default: |
| 3165 | break; |
| 3166 | } |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3167 | break; |
Roland Dreier | 165cb46 | 2014-05-30 15:38:58 -0700 | [diff] [blame] | 3168 | |
| 3169 | case MLX4_QP_ST_MLX: |
| 3170 | qpn = vhcr->in_modifier & 0x7fffff; |
| 3171 | port = (qp_ctx->pri_path.sched_queue >> 6 & 1) + 1; |
| 3172 | if (transition == QP_TRANS_INIT2RTR && |
| 3173 | slave != mlx4_master_func_num(dev) && |
| 3174 | mlx4_is_qp_reserved(dev, qpn) && |
| 3175 | !mlx4_vf_smi_enabled(dev, slave, port)) { |
| 3176 | /* only enabled VFs may create MLX proxy QPs */ |
| 3177 | mlx4_err(dev, "%s: unprivileged slave %d attempting to create an MLX proxy special QP on port %d\n", |
| 3178 | __func__, slave, port); |
| 3179 | return -EPERM; |
| 3180 | } |
| 3181 | break; |
| 3182 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3183 | default: |
| 3184 | break; |
| 3185 | } |
| 3186 | |
| 3187 | return 0; |
| 3188 | } |
| 3189 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3190 | int mlx4_WRITE_MTT_wrapper(struct mlx4_dev *dev, int slave, |
| 3191 | struct mlx4_vhcr *vhcr, |
| 3192 | struct mlx4_cmd_mailbox *inbox, |
| 3193 | struct mlx4_cmd_mailbox *outbox, |
| 3194 | struct mlx4_cmd_info *cmd) |
| 3195 | { |
| 3196 | struct mlx4_mtt mtt; |
| 3197 | __be64 *page_list = inbox->buf; |
| 3198 | u64 *pg_list = (u64 *)page_list; |
| 3199 | int i; |
| 3200 | struct res_mtt *rmtt = NULL; |
| 3201 | int start = be64_to_cpu(page_list[0]); |
| 3202 | int npages = vhcr->in_modifier; |
| 3203 | int err; |
| 3204 | |
| 3205 | err = get_containing_mtt(dev, slave, start, npages, &rmtt); |
| 3206 | if (err) |
| 3207 | return err; |
| 3208 | |
| 3209 | /* Call the SW implementation of write_mtt: |
| 3210 | * - Prepare a dummy mtt struct |
Joe Perches | dbedd44 | 2015-03-06 20:49:12 -0800 | [diff] [blame] | 3211 | * - Translate inbox contents to simple addresses in host endianness */ |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 3212 | mtt.offset = 0; /* TBD this is broken but I don't handle it since |
| 3213 | we don't really use it */ |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3214 | mtt.order = 0; |
| 3215 | mtt.page_shift = 0; |
| 3216 | for (i = 0; i < npages; ++i) |
| 3217 | pg_list[i + 2] = (be64_to_cpu(page_list[i + 2]) & ~1ULL); |
| 3218 | |
| 3219 | err = __mlx4_write_mtt(dev, &mtt, be64_to_cpu(page_list[0]), npages, |
| 3220 | ((u64 *)page_list + 2)); |
| 3221 | |
| 3222 | if (rmtt) |
| 3223 | put_res(dev, slave, rmtt->com.res_id, RES_MTT); |
| 3224 | |
| 3225 | return err; |
| 3226 | } |
| 3227 | |
| 3228 | int mlx4_HW2SW_EQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3229 | struct mlx4_vhcr *vhcr, |
| 3230 | struct mlx4_cmd_mailbox *inbox, |
| 3231 | struct mlx4_cmd_mailbox *outbox, |
| 3232 | struct mlx4_cmd_info *cmd) |
| 3233 | { |
| 3234 | int eqn = vhcr->in_modifier; |
Yishai Hadas | 2d3c739 | 2015-05-05 17:07:12 +0300 | [diff] [blame] | 3235 | int res_id = eqn | (slave << 10); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3236 | struct res_eq *eq; |
| 3237 | int err; |
| 3238 | |
| 3239 | err = eq_res_start_move_to(dev, slave, res_id, RES_EQ_RESERVED, &eq); |
| 3240 | if (err) |
| 3241 | return err; |
| 3242 | |
| 3243 | err = get_res(dev, slave, eq->mtt->com.res_id, RES_MTT, NULL); |
| 3244 | if (err) |
| 3245 | goto ex_abort; |
| 3246 | |
| 3247 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3248 | if (err) |
| 3249 | goto ex_put; |
| 3250 | |
| 3251 | atomic_dec(&eq->mtt->ref_count); |
| 3252 | put_res(dev, slave, eq->mtt->com.res_id, RES_MTT); |
| 3253 | res_end_move(dev, slave, RES_EQ, res_id); |
| 3254 | rem_res_range(dev, slave, res_id, 1, RES_EQ, 0); |
| 3255 | |
| 3256 | return 0; |
| 3257 | |
| 3258 | ex_put: |
| 3259 | put_res(dev, slave, eq->mtt->com.res_id, RES_MTT); |
| 3260 | ex_abort: |
| 3261 | res_abort_move(dev, slave, RES_EQ, res_id); |
| 3262 | |
| 3263 | return err; |
| 3264 | } |
| 3265 | |
| 3266 | int mlx4_GEN_EQE(struct mlx4_dev *dev, int slave, struct mlx4_eqe *eqe) |
| 3267 | { |
| 3268 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 3269 | struct mlx4_slave_event_eq_info *event_eq; |
| 3270 | struct mlx4_cmd_mailbox *mailbox; |
| 3271 | u32 in_modifier = 0; |
| 3272 | int err; |
| 3273 | int res_id; |
| 3274 | struct res_eq *req; |
| 3275 | |
| 3276 | if (!priv->mfunc.master.slave_state) |
| 3277 | return -EINVAL; |
| 3278 | |
Jack Morgenstein | bffb023 | 2015-03-24 15:18:39 +0200 | [diff] [blame] | 3279 | /* check for slave valid, slave not PF, and slave active */ |
| 3280 | if (slave < 0 || slave > dev->persist->num_vfs || |
| 3281 | slave == dev->caps.function || |
| 3282 | !priv->mfunc.master.slave_state[slave].active) |
| 3283 | return 0; |
| 3284 | |
Marcel Apfelbaum | 803143f | 2012-01-19 09:45:46 +0000 | [diff] [blame] | 3285 | event_eq = &priv->mfunc.master.slave_state[slave].event_eq[eqe->type]; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3286 | |
| 3287 | /* Create the event only if the slave is registered */ |
Marcel Apfelbaum | 803143f | 2012-01-19 09:45:46 +0000 | [diff] [blame] | 3288 | if (event_eq->eqn < 0) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3289 | return 0; |
| 3290 | |
| 3291 | mutex_lock(&priv->mfunc.master.gen_eqe_mutex[slave]); |
Yishai Hadas | 2d3c739 | 2015-05-05 17:07:12 +0300 | [diff] [blame] | 3292 | res_id = (slave << 10) | event_eq->eqn; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3293 | err = get_res(dev, slave, res_id, RES_EQ, &req); |
| 3294 | if (err) |
| 3295 | goto unlock; |
| 3296 | |
| 3297 | if (req->com.from_state != RES_EQ_HW) { |
| 3298 | err = -EINVAL; |
| 3299 | goto put; |
| 3300 | } |
| 3301 | |
| 3302 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
| 3303 | if (IS_ERR(mailbox)) { |
| 3304 | err = PTR_ERR(mailbox); |
| 3305 | goto put; |
| 3306 | } |
| 3307 | |
| 3308 | if (eqe->type == MLX4_EVENT_TYPE_CMD) { |
| 3309 | ++event_eq->token; |
| 3310 | eqe->event.cmd.token = cpu_to_be16(event_eq->token); |
| 3311 | } |
| 3312 | |
| 3313 | memcpy(mailbox->buf, (u8 *) eqe, 28); |
| 3314 | |
Yishai Hadas | 2d3c739 | 2015-05-05 17:07:12 +0300 | [diff] [blame] | 3315 | in_modifier = (slave & 0xff) | ((event_eq->eqn & 0x3ff) << 16); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3316 | |
| 3317 | err = mlx4_cmd(dev, mailbox->dma, in_modifier, 0, |
| 3318 | MLX4_CMD_GEN_EQE, MLX4_CMD_TIME_CLASS_B, |
| 3319 | MLX4_CMD_NATIVE); |
| 3320 | |
| 3321 | put_res(dev, slave, res_id, RES_EQ); |
| 3322 | mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]); |
| 3323 | mlx4_free_cmd_mailbox(dev, mailbox); |
| 3324 | return err; |
| 3325 | |
| 3326 | put: |
| 3327 | put_res(dev, slave, res_id, RES_EQ); |
| 3328 | |
| 3329 | unlock: |
| 3330 | mutex_unlock(&priv->mfunc.master.gen_eqe_mutex[slave]); |
| 3331 | return err; |
| 3332 | } |
| 3333 | |
| 3334 | int mlx4_QUERY_EQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3335 | struct mlx4_vhcr *vhcr, |
| 3336 | struct mlx4_cmd_mailbox *inbox, |
| 3337 | struct mlx4_cmd_mailbox *outbox, |
| 3338 | struct mlx4_cmd_info *cmd) |
| 3339 | { |
| 3340 | int eqn = vhcr->in_modifier; |
Yishai Hadas | 2d3c739 | 2015-05-05 17:07:12 +0300 | [diff] [blame] | 3341 | int res_id = eqn | (slave << 10); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3342 | struct res_eq *eq; |
| 3343 | int err; |
| 3344 | |
| 3345 | err = get_res(dev, slave, res_id, RES_EQ, &eq); |
| 3346 | if (err) |
| 3347 | return err; |
| 3348 | |
| 3349 | if (eq->com.from_state != RES_EQ_HW) { |
| 3350 | err = -EINVAL; |
| 3351 | goto ex_put; |
| 3352 | } |
| 3353 | |
| 3354 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3355 | |
| 3356 | ex_put: |
| 3357 | put_res(dev, slave, res_id, RES_EQ); |
| 3358 | return err; |
| 3359 | } |
| 3360 | |
| 3361 | int mlx4_SW2HW_CQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3362 | struct mlx4_vhcr *vhcr, |
| 3363 | struct mlx4_cmd_mailbox *inbox, |
| 3364 | struct mlx4_cmd_mailbox *outbox, |
| 3365 | struct mlx4_cmd_info *cmd) |
| 3366 | { |
| 3367 | int err; |
| 3368 | int cqn = vhcr->in_modifier; |
| 3369 | struct mlx4_cq_context *cqc = inbox->buf; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 3370 | int mtt_base = cq_get_mtt_addr(cqc) / dev->caps.mtt_entry_sz; |
Bjorn Helgaas | c1c52db | 2015-05-14 18:17:08 -0500 | [diff] [blame] | 3371 | struct res_cq *cq = NULL; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3372 | struct res_mtt *mtt; |
| 3373 | |
| 3374 | err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_HW, &cq); |
| 3375 | if (err) |
| 3376 | return err; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 3377 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3378 | if (err) |
| 3379 | goto out_move; |
| 3380 | err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt); |
| 3381 | if (err) |
| 3382 | goto out_put; |
| 3383 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3384 | if (err) |
| 3385 | goto out_put; |
| 3386 | atomic_inc(&mtt->ref_count); |
| 3387 | cq->mtt = mtt; |
| 3388 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 3389 | res_end_move(dev, slave, RES_CQ, cqn); |
| 3390 | return 0; |
| 3391 | |
| 3392 | out_put: |
| 3393 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 3394 | out_move: |
| 3395 | res_abort_move(dev, slave, RES_CQ, cqn); |
| 3396 | return err; |
| 3397 | } |
| 3398 | |
| 3399 | int mlx4_HW2SW_CQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3400 | struct mlx4_vhcr *vhcr, |
| 3401 | struct mlx4_cmd_mailbox *inbox, |
| 3402 | struct mlx4_cmd_mailbox *outbox, |
| 3403 | struct mlx4_cmd_info *cmd) |
| 3404 | { |
| 3405 | int err; |
| 3406 | int cqn = vhcr->in_modifier; |
Bjorn Helgaas | c1c52db | 2015-05-14 18:17:08 -0500 | [diff] [blame] | 3407 | struct res_cq *cq = NULL; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3408 | |
| 3409 | err = cq_res_start_move_to(dev, slave, cqn, RES_CQ_ALLOCATED, &cq); |
| 3410 | if (err) |
| 3411 | return err; |
| 3412 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3413 | if (err) |
| 3414 | goto out_move; |
| 3415 | atomic_dec(&cq->mtt->ref_count); |
| 3416 | res_end_move(dev, slave, RES_CQ, cqn); |
| 3417 | return 0; |
| 3418 | |
| 3419 | out_move: |
| 3420 | res_abort_move(dev, slave, RES_CQ, cqn); |
| 3421 | return err; |
| 3422 | } |
| 3423 | |
| 3424 | int mlx4_QUERY_CQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3425 | struct mlx4_vhcr *vhcr, |
| 3426 | struct mlx4_cmd_mailbox *inbox, |
| 3427 | struct mlx4_cmd_mailbox *outbox, |
| 3428 | struct mlx4_cmd_info *cmd) |
| 3429 | { |
| 3430 | int cqn = vhcr->in_modifier; |
| 3431 | struct res_cq *cq; |
| 3432 | int err; |
| 3433 | |
| 3434 | err = get_res(dev, slave, cqn, RES_CQ, &cq); |
| 3435 | if (err) |
| 3436 | return err; |
| 3437 | |
| 3438 | if (cq->com.from_state != RES_CQ_HW) |
| 3439 | goto ex_put; |
| 3440 | |
| 3441 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3442 | ex_put: |
| 3443 | put_res(dev, slave, cqn, RES_CQ); |
| 3444 | |
| 3445 | return err; |
| 3446 | } |
| 3447 | |
| 3448 | static int handle_resize(struct mlx4_dev *dev, int slave, |
| 3449 | struct mlx4_vhcr *vhcr, |
| 3450 | struct mlx4_cmd_mailbox *inbox, |
| 3451 | struct mlx4_cmd_mailbox *outbox, |
| 3452 | struct mlx4_cmd_info *cmd, |
| 3453 | struct res_cq *cq) |
| 3454 | { |
| 3455 | int err; |
| 3456 | struct res_mtt *orig_mtt; |
| 3457 | struct res_mtt *mtt; |
| 3458 | struct mlx4_cq_context *cqc = inbox->buf; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 3459 | 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] | 3460 | |
| 3461 | err = get_res(dev, slave, cq->mtt->com.res_id, RES_MTT, &orig_mtt); |
| 3462 | if (err) |
| 3463 | return err; |
| 3464 | |
| 3465 | if (orig_mtt != cq->mtt) { |
| 3466 | err = -EINVAL; |
| 3467 | goto ex_put; |
| 3468 | } |
| 3469 | |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 3470 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3471 | if (err) |
| 3472 | goto ex_put; |
| 3473 | |
| 3474 | err = check_mtt_range(dev, slave, mtt_base, cq_get_mtt_size(cqc), mtt); |
| 3475 | if (err) |
| 3476 | goto ex_put1; |
| 3477 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3478 | if (err) |
| 3479 | goto ex_put1; |
| 3480 | atomic_dec(&orig_mtt->ref_count); |
| 3481 | put_res(dev, slave, orig_mtt->com.res_id, RES_MTT); |
| 3482 | atomic_inc(&mtt->ref_count); |
| 3483 | cq->mtt = mtt; |
| 3484 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 3485 | return 0; |
| 3486 | |
| 3487 | ex_put1: |
| 3488 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 3489 | ex_put: |
| 3490 | put_res(dev, slave, orig_mtt->com.res_id, RES_MTT); |
| 3491 | |
| 3492 | return err; |
| 3493 | |
| 3494 | } |
| 3495 | |
| 3496 | int mlx4_MODIFY_CQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3497 | struct mlx4_vhcr *vhcr, |
| 3498 | struct mlx4_cmd_mailbox *inbox, |
| 3499 | struct mlx4_cmd_mailbox *outbox, |
| 3500 | struct mlx4_cmd_info *cmd) |
| 3501 | { |
| 3502 | int cqn = vhcr->in_modifier; |
| 3503 | struct res_cq *cq; |
| 3504 | int err; |
| 3505 | |
| 3506 | err = get_res(dev, slave, cqn, RES_CQ, &cq); |
| 3507 | if (err) |
| 3508 | return err; |
| 3509 | |
| 3510 | if (cq->com.from_state != RES_CQ_HW) |
| 3511 | goto ex_put; |
| 3512 | |
| 3513 | if (vhcr->op_modifier == 0) { |
| 3514 | err = handle_resize(dev, slave, vhcr, inbox, outbox, cmd, cq); |
Jack Morgenstein | dcf353b | 2012-03-07 05:56:35 +0000 | [diff] [blame] | 3515 | goto ex_put; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3516 | } |
| 3517 | |
| 3518 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3519 | ex_put: |
| 3520 | put_res(dev, slave, cqn, RES_CQ); |
| 3521 | |
| 3522 | return err; |
| 3523 | } |
| 3524 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3525 | static int srq_get_mtt_size(struct mlx4_srq_context *srqc) |
| 3526 | { |
| 3527 | int log_srq_size = (be32_to_cpu(srqc->state_logsize_srqn) >> 24) & 0xf; |
| 3528 | int log_rq_stride = srqc->logstride & 7; |
| 3529 | int page_shift = (srqc->log_page_size & 0x3f) + 12; |
| 3530 | |
| 3531 | if (log_srq_size + log_rq_stride + 4 < page_shift) |
| 3532 | return 1; |
| 3533 | |
| 3534 | return 1 << (log_srq_size + log_rq_stride + 4 - page_shift); |
| 3535 | } |
| 3536 | |
| 3537 | int mlx4_SW2HW_SRQ_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 | { |
| 3543 | int err; |
| 3544 | int srqn = vhcr->in_modifier; |
| 3545 | struct res_mtt *mtt; |
Bjorn Helgaas | c1c52db | 2015-05-14 18:17:08 -0500 | [diff] [blame] | 3546 | struct res_srq *srq = NULL; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3547 | struct mlx4_srq_context *srqc = inbox->buf; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 3548 | 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] | 3549 | |
| 3550 | if (srqn != (be32_to_cpu(srqc->state_logsize_srqn) & 0xffffff)) |
| 3551 | return -EINVAL; |
| 3552 | |
| 3553 | err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_HW, &srq); |
| 3554 | if (err) |
| 3555 | return err; |
Marcel Apfelbaum | 2b8fb28 | 2011-12-13 04:16:56 +0000 | [diff] [blame] | 3556 | err = get_res(dev, slave, mtt_base, RES_MTT, &mtt); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3557 | if (err) |
| 3558 | goto ex_abort; |
| 3559 | err = check_mtt_range(dev, slave, mtt_base, srq_get_mtt_size(srqc), |
| 3560 | mtt); |
| 3561 | if (err) |
| 3562 | goto ex_put_mtt; |
| 3563 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3564 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3565 | if (err) |
| 3566 | goto ex_put_mtt; |
| 3567 | |
| 3568 | atomic_inc(&mtt->ref_count); |
| 3569 | srq->mtt = mtt; |
| 3570 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 3571 | res_end_move(dev, slave, RES_SRQ, srqn); |
| 3572 | return 0; |
| 3573 | |
| 3574 | ex_put_mtt: |
| 3575 | put_res(dev, slave, mtt->com.res_id, RES_MTT); |
| 3576 | ex_abort: |
| 3577 | res_abort_move(dev, slave, RES_SRQ, srqn); |
| 3578 | |
| 3579 | return err; |
| 3580 | } |
| 3581 | |
| 3582 | int mlx4_HW2SW_SRQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3583 | struct mlx4_vhcr *vhcr, |
| 3584 | struct mlx4_cmd_mailbox *inbox, |
| 3585 | struct mlx4_cmd_mailbox *outbox, |
| 3586 | struct mlx4_cmd_info *cmd) |
| 3587 | { |
| 3588 | int err; |
| 3589 | int srqn = vhcr->in_modifier; |
Bjorn Helgaas | c1c52db | 2015-05-14 18:17:08 -0500 | [diff] [blame] | 3590 | struct res_srq *srq = NULL; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3591 | |
| 3592 | err = srq_res_start_move_to(dev, slave, srqn, RES_SRQ_ALLOCATED, &srq); |
| 3593 | if (err) |
| 3594 | return err; |
| 3595 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3596 | if (err) |
| 3597 | goto ex_abort; |
| 3598 | atomic_dec(&srq->mtt->ref_count); |
| 3599 | if (srq->cq) |
| 3600 | atomic_dec(&srq->cq->ref_count); |
| 3601 | res_end_move(dev, slave, RES_SRQ, srqn); |
| 3602 | |
| 3603 | return 0; |
| 3604 | |
| 3605 | ex_abort: |
| 3606 | res_abort_move(dev, slave, RES_SRQ, srqn); |
| 3607 | |
| 3608 | return err; |
| 3609 | } |
| 3610 | |
| 3611 | int mlx4_QUERY_SRQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3612 | struct mlx4_vhcr *vhcr, |
| 3613 | struct mlx4_cmd_mailbox *inbox, |
| 3614 | struct mlx4_cmd_mailbox *outbox, |
| 3615 | struct mlx4_cmd_info *cmd) |
| 3616 | { |
| 3617 | int err; |
| 3618 | int srqn = vhcr->in_modifier; |
| 3619 | struct res_srq *srq; |
| 3620 | |
| 3621 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); |
| 3622 | if (err) |
| 3623 | return err; |
| 3624 | if (srq->com.from_state != RES_SRQ_HW) { |
| 3625 | err = -EBUSY; |
| 3626 | goto out; |
| 3627 | } |
| 3628 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3629 | out: |
| 3630 | put_res(dev, slave, srqn, RES_SRQ); |
| 3631 | return err; |
| 3632 | } |
| 3633 | |
| 3634 | int mlx4_ARM_SRQ_wrapper(struct mlx4_dev *dev, int slave, |
| 3635 | struct mlx4_vhcr *vhcr, |
| 3636 | struct mlx4_cmd_mailbox *inbox, |
| 3637 | struct mlx4_cmd_mailbox *outbox, |
| 3638 | struct mlx4_cmd_info *cmd) |
| 3639 | { |
| 3640 | int err; |
| 3641 | int srqn = vhcr->in_modifier; |
| 3642 | struct res_srq *srq; |
| 3643 | |
| 3644 | err = get_res(dev, slave, srqn, RES_SRQ, &srq); |
| 3645 | if (err) |
| 3646 | return err; |
| 3647 | |
| 3648 | if (srq->com.from_state != RES_SRQ_HW) { |
| 3649 | err = -EBUSY; |
| 3650 | goto out; |
| 3651 | } |
| 3652 | |
| 3653 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3654 | out: |
| 3655 | put_res(dev, slave, srqn, RES_SRQ); |
| 3656 | return err; |
| 3657 | } |
| 3658 | |
| 3659 | int mlx4_GEN_QP_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 qpn = vhcr->in_modifier & 0x7fffff; |
| 3667 | struct res_qp *qp; |
| 3668 | |
| 3669 | err = get_res(dev, slave, qpn, RES_QP, &qp); |
| 3670 | if (err) |
| 3671 | return err; |
| 3672 | if (qp->com.from_state != RES_QP_HW) { |
| 3673 | err = -EBUSY; |
| 3674 | goto out; |
| 3675 | } |
| 3676 | |
| 3677 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3678 | out: |
| 3679 | put_res(dev, slave, qpn, RES_QP); |
| 3680 | return err; |
| 3681 | } |
| 3682 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3683 | int mlx4_INIT2INIT_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3684 | struct mlx4_vhcr *vhcr, |
| 3685 | struct mlx4_cmd_mailbox *inbox, |
| 3686 | struct mlx4_cmd_mailbox *outbox, |
| 3687 | struct mlx4_cmd_info *cmd) |
| 3688 | { |
| 3689 | struct mlx4_qp_context *context = inbox->buf + 8; |
| 3690 | adjust_proxy_tun_qkey(dev, vhcr, context); |
| 3691 | update_pkey_index(dev, slave, inbox); |
| 3692 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3693 | } |
| 3694 | |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 3695 | static int adjust_qp_sched_queue(struct mlx4_dev *dev, int slave, |
| 3696 | struct mlx4_qp_context *qpc, |
| 3697 | struct mlx4_cmd_mailbox *inbox) |
| 3698 | { |
| 3699 | enum mlx4_qp_optpar optpar = be32_to_cpu(*(__be32 *)inbox->buf); |
| 3700 | u8 pri_sched_queue; |
| 3701 | int port = mlx4_slave_convert_port( |
| 3702 | dev, slave, (qpc->pri_path.sched_queue >> 6 & 1) + 1) - 1; |
| 3703 | |
| 3704 | if (port < 0) |
| 3705 | return -EINVAL; |
| 3706 | |
| 3707 | pri_sched_queue = (qpc->pri_path.sched_queue & ~(1 << 6)) | |
| 3708 | ((port & 1) << 6); |
| 3709 | |
Or Gerlitz | f40e99e | 2015-05-21 15:14:08 +0300 | [diff] [blame] | 3710 | if (optpar & (MLX4_QP_OPTPAR_PRIMARY_ADDR_PATH | MLX4_QP_OPTPAR_SCHED_QUEUE) || |
| 3711 | qpc->pri_path.sched_queue || mlx4_is_eth(dev, port + 1)) { |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 3712 | qpc->pri_path.sched_queue = pri_sched_queue; |
| 3713 | } |
| 3714 | |
| 3715 | if (optpar & MLX4_QP_OPTPAR_ALT_ADDR_PATH) { |
| 3716 | port = mlx4_slave_convert_port( |
| 3717 | dev, slave, (qpc->alt_path.sched_queue >> 6 & 1) |
| 3718 | + 1) - 1; |
| 3719 | if (port < 0) |
| 3720 | return -EINVAL; |
| 3721 | qpc->alt_path.sched_queue = |
| 3722 | (qpc->alt_path.sched_queue & ~(1 << 6)) | |
| 3723 | (port & 1) << 6; |
| 3724 | } |
| 3725 | return 0; |
| 3726 | } |
| 3727 | |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 3728 | static int roce_verify_mac(struct mlx4_dev *dev, int slave, |
| 3729 | struct mlx4_qp_context *qpc, |
| 3730 | struct mlx4_cmd_mailbox *inbox) |
| 3731 | { |
| 3732 | u64 mac; |
| 3733 | int port; |
| 3734 | u32 ts = (be32_to_cpu(qpc->flags) >> 16) & 0xff; |
| 3735 | u8 sched = *(u8 *)(inbox->buf + 64); |
| 3736 | u8 smac_ix; |
| 3737 | |
| 3738 | port = (sched >> 6 & 1) + 1; |
| 3739 | if (mlx4_is_eth(dev, port) && (ts != MLX4_QP_ST_MLX)) { |
| 3740 | smac_ix = qpc->pri_path.grh_mylmc & 0x7f; |
| 3741 | if (mac_find_smac_ix_in_slave(dev, slave, port, smac_ix, &mac)) |
| 3742 | return -ENOENT; |
| 3743 | } |
| 3744 | return 0; |
| 3745 | } |
| 3746 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3747 | int mlx4_INIT2RTR_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3748 | struct mlx4_vhcr *vhcr, |
| 3749 | struct mlx4_cmd_mailbox *inbox, |
| 3750 | struct mlx4_cmd_mailbox *outbox, |
| 3751 | struct mlx4_cmd_info *cmd) |
| 3752 | { |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3753 | int err; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3754 | struct mlx4_qp_context *qpc = inbox->buf + 8; |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 3755 | int qpn = vhcr->in_modifier & 0x7fffff; |
| 3756 | struct res_qp *qp; |
| 3757 | u8 orig_sched_queue; |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 3758 | __be32 orig_param3 = qpc->param3; |
| 3759 | u8 orig_vlan_control = qpc->pri_path.vlan_control; |
| 3760 | u8 orig_fvl_rx = qpc->pri_path.fvl_rx; |
| 3761 | u8 orig_pri_path_fl = qpc->pri_path.fl; |
| 3762 | u8 orig_vlan_index = qpc->pri_path.vlan_index; |
| 3763 | u8 orig_feup = qpc->pri_path.feup; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3764 | |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 3765 | err = adjust_qp_sched_queue(dev, slave, qpc, inbox); |
| 3766 | if (err) |
| 3767 | return err; |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 3768 | err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_INIT2RTR, slave); |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3769 | if (err) |
| 3770 | return err; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3771 | |
Jack Morgenstein | 2f5bb47 | 2014-03-12 12:00:40 +0200 | [diff] [blame] | 3772 | if (roce_verify_mac(dev, slave, qpc, inbox)) |
| 3773 | return -EINVAL; |
| 3774 | |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3775 | update_pkey_index(dev, slave, inbox); |
| 3776 | update_gid(dev, inbox, (u8)slave); |
| 3777 | adjust_proxy_tun_qkey(dev, vhcr, qpc); |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 3778 | orig_sched_queue = qpc->pri_path.sched_queue; |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3779 | |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 3780 | err = get_res(dev, slave, qpn, RES_QP, &qp); |
| 3781 | if (err) |
| 3782 | return err; |
| 3783 | if (qp->com.from_state != RES_QP_HW) { |
| 3784 | err = -EBUSY; |
| 3785 | goto out; |
| 3786 | } |
| 3787 | |
Maor Gottlieb | 9a89283 | 2015-10-15 14:44:38 +0300 | [diff] [blame] | 3788 | err = update_vport_qp_param(dev, inbox, slave, qpn); |
| 3789 | if (err) |
| 3790 | goto out; |
| 3791 | |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 3792 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3793 | out: |
| 3794 | /* if no error, save sched queue value passed in by VF. This is |
| 3795 | * essentially the QOS value provided by the VF. This will be useful |
| 3796 | * if we allow dynamic changes from VST back to VGT |
| 3797 | */ |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 3798 | if (!err) { |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 3799 | qp->sched_queue = orig_sched_queue; |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 3800 | qp->param3 = orig_param3; |
| 3801 | qp->vlan_control = orig_vlan_control; |
| 3802 | qp->fvl_rx = orig_fvl_rx; |
| 3803 | qp->pri_path_fl = orig_pri_path_fl; |
| 3804 | qp->vlan_index = orig_vlan_index; |
| 3805 | qp->feup = orig_feup; |
| 3806 | } |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 3807 | put_res(dev, slave, qpn, RES_QP); |
| 3808 | return err; |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3809 | } |
| 3810 | |
| 3811 | int mlx4_RTR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3812 | struct mlx4_vhcr *vhcr, |
| 3813 | struct mlx4_cmd_mailbox *inbox, |
| 3814 | struct mlx4_cmd_mailbox *outbox, |
| 3815 | struct mlx4_cmd_info *cmd) |
| 3816 | { |
| 3817 | int err; |
| 3818 | struct mlx4_qp_context *context = inbox->buf + 8; |
| 3819 | |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 3820 | err = adjust_qp_sched_queue(dev, slave, context, inbox); |
| 3821 | if (err) |
| 3822 | return err; |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 3823 | err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_RTR2RTS, slave); |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3824 | if (err) |
| 3825 | return err; |
| 3826 | |
| 3827 | update_pkey_index(dev, slave, inbox); |
| 3828 | update_gid(dev, inbox, (u8)slave); |
| 3829 | adjust_proxy_tun_qkey(dev, vhcr, context); |
| 3830 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3831 | } |
| 3832 | |
| 3833 | int mlx4_RTS2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3834 | struct mlx4_vhcr *vhcr, |
| 3835 | struct mlx4_cmd_mailbox *inbox, |
| 3836 | struct mlx4_cmd_mailbox *outbox, |
| 3837 | struct mlx4_cmd_info *cmd) |
| 3838 | { |
| 3839 | int err; |
| 3840 | struct mlx4_qp_context *context = inbox->buf + 8; |
| 3841 | |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 3842 | err = adjust_qp_sched_queue(dev, slave, context, inbox); |
| 3843 | if (err) |
| 3844 | return err; |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 3845 | err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_RTS2RTS, slave); |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3846 | if (err) |
| 3847 | return err; |
| 3848 | |
| 3849 | update_pkey_index(dev, slave, inbox); |
| 3850 | update_gid(dev, inbox, (u8)slave); |
| 3851 | adjust_proxy_tun_qkey(dev, vhcr, context); |
| 3852 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3853 | } |
| 3854 | |
| 3855 | |
| 3856 | int mlx4_SQERR2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3857 | struct mlx4_vhcr *vhcr, |
| 3858 | struct mlx4_cmd_mailbox *inbox, |
| 3859 | struct mlx4_cmd_mailbox *outbox, |
| 3860 | struct mlx4_cmd_info *cmd) |
| 3861 | { |
| 3862 | struct mlx4_qp_context *context = inbox->buf + 8; |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 3863 | int err = adjust_qp_sched_queue(dev, slave, context, inbox); |
| 3864 | if (err) |
| 3865 | return err; |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3866 | adjust_proxy_tun_qkey(dev, vhcr, context); |
| 3867 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3868 | } |
| 3869 | |
| 3870 | int mlx4_SQD2SQD_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3871 | struct mlx4_vhcr *vhcr, |
| 3872 | struct mlx4_cmd_mailbox *inbox, |
| 3873 | struct mlx4_cmd_mailbox *outbox, |
| 3874 | struct mlx4_cmd_info *cmd) |
| 3875 | { |
| 3876 | int err; |
| 3877 | struct mlx4_qp_context *context = inbox->buf + 8; |
| 3878 | |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 3879 | err = adjust_qp_sched_queue(dev, slave, context, inbox); |
| 3880 | if (err) |
| 3881 | return err; |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 3882 | err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_SQD2SQD, slave); |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3883 | if (err) |
| 3884 | return err; |
| 3885 | |
| 3886 | adjust_proxy_tun_qkey(dev, vhcr, context); |
| 3887 | update_gid(dev, inbox, (u8)slave); |
| 3888 | update_pkey_index(dev, slave, inbox); |
| 3889 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3890 | } |
| 3891 | |
| 3892 | int mlx4_SQD2RTS_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3893 | struct mlx4_vhcr *vhcr, |
| 3894 | struct mlx4_cmd_mailbox *inbox, |
| 3895 | struct mlx4_cmd_mailbox *outbox, |
| 3896 | struct mlx4_cmd_info *cmd) |
| 3897 | { |
| 3898 | int err; |
| 3899 | struct mlx4_qp_context *context = inbox->buf + 8; |
| 3900 | |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 3901 | err = adjust_qp_sched_queue(dev, slave, context, inbox); |
| 3902 | if (err) |
| 3903 | return err; |
Jack Morgenstein | 99ec41d | 2014-05-29 16:31:03 +0300 | [diff] [blame] | 3904 | err = verify_qp_parameters(dev, vhcr, inbox, QP_TRANS_SQD2RTS, slave); |
Jack Morgenstein | 54679e1 | 2012-08-03 08:40:43 +0000 | [diff] [blame] | 3905 | if (err) |
| 3906 | return err; |
| 3907 | |
| 3908 | adjust_proxy_tun_qkey(dev, vhcr, context); |
| 3909 | update_gid(dev, inbox, (u8)slave); |
| 3910 | update_pkey_index(dev, slave, inbox); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3911 | return mlx4_GEN_QP_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3912 | } |
| 3913 | |
| 3914 | int mlx4_2RST_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 3915 | struct mlx4_vhcr *vhcr, |
| 3916 | struct mlx4_cmd_mailbox *inbox, |
| 3917 | struct mlx4_cmd_mailbox *outbox, |
| 3918 | struct mlx4_cmd_info *cmd) |
| 3919 | { |
| 3920 | int err; |
| 3921 | int qpn = vhcr->in_modifier & 0x7fffff; |
| 3922 | struct res_qp *qp; |
| 3923 | |
| 3924 | err = qp_res_start_move_to(dev, slave, qpn, RES_QP_MAPPED, &qp, 0); |
| 3925 | if (err) |
| 3926 | return err; |
| 3927 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 3928 | if (err) |
| 3929 | goto ex_abort; |
| 3930 | |
| 3931 | atomic_dec(&qp->mtt->ref_count); |
| 3932 | atomic_dec(&qp->rcq->ref_count); |
| 3933 | atomic_dec(&qp->scq->ref_count); |
| 3934 | if (qp->srq) |
| 3935 | atomic_dec(&qp->srq->ref_count); |
| 3936 | res_end_move(dev, slave, RES_QP, qpn); |
| 3937 | return 0; |
| 3938 | |
| 3939 | ex_abort: |
| 3940 | res_abort_move(dev, slave, RES_QP, qpn); |
| 3941 | |
| 3942 | return err; |
| 3943 | } |
| 3944 | |
| 3945 | static struct res_gid *find_gid(struct mlx4_dev *dev, int slave, |
| 3946 | struct res_qp *rqp, u8 *gid) |
| 3947 | { |
| 3948 | struct res_gid *res; |
| 3949 | |
| 3950 | list_for_each_entry(res, &rqp->mcg_list, list) { |
| 3951 | if (!memcmp(res->gid, gid, 16)) |
| 3952 | return res; |
| 3953 | } |
| 3954 | return NULL; |
| 3955 | } |
| 3956 | |
| 3957 | 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] | 3958 | u8 *gid, enum mlx4_protocol prot, |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3959 | enum mlx4_steer_type steer, u64 reg_id) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3960 | { |
| 3961 | struct res_gid *res; |
| 3962 | int err; |
| 3963 | |
| 3964 | res = kzalloc(sizeof *res, GFP_KERNEL); |
| 3965 | if (!res) |
| 3966 | return -ENOMEM; |
| 3967 | |
| 3968 | spin_lock_irq(&rqp->mcg_spl); |
| 3969 | if (find_gid(dev, slave, rqp, gid)) { |
| 3970 | kfree(res); |
| 3971 | err = -EEXIST; |
| 3972 | } else { |
| 3973 | memcpy(res->gid, gid, 16); |
| 3974 | res->prot = prot; |
Eugenia Emantayev | 9f5b6c6 | 2012-02-15 06:23:16 +0000 | [diff] [blame] | 3975 | res->steer = steer; |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3976 | res->reg_id = reg_id; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3977 | list_add_tail(&res->list, &rqp->mcg_list); |
| 3978 | err = 0; |
| 3979 | } |
| 3980 | spin_unlock_irq(&rqp->mcg_spl); |
| 3981 | |
| 3982 | return err; |
| 3983 | } |
| 3984 | |
| 3985 | 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] | 3986 | u8 *gid, enum mlx4_protocol prot, |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3987 | enum mlx4_steer_type steer, u64 *reg_id) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3988 | { |
| 3989 | struct res_gid *res; |
| 3990 | int err; |
| 3991 | |
| 3992 | spin_lock_irq(&rqp->mcg_spl); |
| 3993 | res = find_gid(dev, slave, rqp, gid); |
Eugenia Emantayev | 9f5b6c6 | 2012-02-15 06:23:16 +0000 | [diff] [blame] | 3994 | if (!res || res->prot != prot || res->steer != steer) |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3995 | err = -EINVAL; |
| 3996 | else { |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 3997 | *reg_id = res->reg_id; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 3998 | list_del(&res->list); |
| 3999 | kfree(res); |
| 4000 | err = 0; |
| 4001 | } |
| 4002 | spin_unlock_irq(&rqp->mcg_spl); |
| 4003 | |
| 4004 | return err; |
| 4005 | } |
| 4006 | |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 4007 | static int qp_attach(struct mlx4_dev *dev, int slave, struct mlx4_qp *qp, |
| 4008 | u8 gid[16], int block_loopback, enum mlx4_protocol prot, |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 4009 | enum mlx4_steer_type type, u64 *reg_id) |
| 4010 | { |
| 4011 | switch (dev->caps.steering_mode) { |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 4012 | case MLX4_STEERING_MODE_DEVICE_MANAGED: { |
| 4013 | int port = mlx4_slave_convert_port(dev, slave, gid[5]); |
| 4014 | if (port < 0) |
| 4015 | return port; |
| 4016 | return mlx4_trans_to_dmfs_attach(dev, qp, gid, port, |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 4017 | block_loopback, prot, |
| 4018 | reg_id); |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 4019 | } |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 4020 | case MLX4_STEERING_MODE_B0: |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 4021 | if (prot == MLX4_PROT_ETH) { |
| 4022 | int port = mlx4_slave_convert_port(dev, slave, gid[5]); |
| 4023 | if (port < 0) |
| 4024 | return port; |
| 4025 | gid[5] = port; |
| 4026 | } |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 4027 | return mlx4_qp_attach_common(dev, qp, gid, |
| 4028 | block_loopback, prot, type); |
| 4029 | default: |
| 4030 | return -EINVAL; |
| 4031 | } |
| 4032 | } |
| 4033 | |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 4034 | static int qp_detach(struct mlx4_dev *dev, struct mlx4_qp *qp, |
| 4035 | u8 gid[16], enum mlx4_protocol prot, |
| 4036 | enum mlx4_steer_type type, u64 reg_id) |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 4037 | { |
| 4038 | switch (dev->caps.steering_mode) { |
| 4039 | case MLX4_STEERING_MODE_DEVICE_MANAGED: |
| 4040 | return mlx4_flow_detach(dev, reg_id); |
| 4041 | case MLX4_STEERING_MODE_B0: |
| 4042 | return mlx4_qp_detach_common(dev, qp, gid, prot, type); |
| 4043 | default: |
| 4044 | return -EINVAL; |
| 4045 | } |
| 4046 | } |
| 4047 | |
Jack Morgenstein | 531d901 | 2014-05-04 17:07:22 +0300 | [diff] [blame] | 4048 | static int mlx4_adjust_port(struct mlx4_dev *dev, int slave, |
| 4049 | u8 *gid, enum mlx4_protocol prot) |
| 4050 | { |
| 4051 | int real_port; |
| 4052 | |
| 4053 | if (prot != MLX4_PROT_ETH) |
| 4054 | return 0; |
| 4055 | |
| 4056 | if (dev->caps.steering_mode == MLX4_STEERING_MODE_B0 || |
| 4057 | dev->caps.steering_mode == MLX4_STEERING_MODE_DEVICE_MANAGED) { |
| 4058 | real_port = mlx4_slave_convert_port(dev, slave, gid[5]); |
| 4059 | if (real_port < 0) |
| 4060 | return -EINVAL; |
| 4061 | gid[5] = real_port; |
| 4062 | } |
| 4063 | |
| 4064 | return 0; |
| 4065 | } |
| 4066 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4067 | int mlx4_QP_ATTACH_wrapper(struct mlx4_dev *dev, int slave, |
| 4068 | struct mlx4_vhcr *vhcr, |
| 4069 | struct mlx4_cmd_mailbox *inbox, |
| 4070 | struct mlx4_cmd_mailbox *outbox, |
| 4071 | struct mlx4_cmd_info *cmd) |
| 4072 | { |
| 4073 | struct mlx4_qp qp; /* dummy for calling attach/detach */ |
| 4074 | u8 *gid = inbox->buf; |
| 4075 | enum mlx4_protocol prot = (vhcr->in_modifier >> 28) & 0x7; |
Or Gerlitz | 162344e | 2012-05-15 10:34:57 +0000 | [diff] [blame] | 4076 | int err; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4077 | int qpn; |
| 4078 | struct res_qp *rqp; |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 4079 | u64 reg_id = 0; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4080 | int attach = vhcr->op_modifier; |
| 4081 | int block_loopback = vhcr->in_modifier >> 31; |
| 4082 | u8 steer_type_mask = 2; |
Eugenia Emantayev | 75c6062 | 2012-02-15 06:22:49 +0000 | [diff] [blame] | 4083 | enum mlx4_steer_type type = (gid[7] & steer_type_mask) >> 1; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4084 | |
| 4085 | qpn = vhcr->in_modifier & 0xffffff; |
| 4086 | err = get_res(dev, slave, qpn, RES_QP, &rqp); |
| 4087 | if (err) |
| 4088 | return err; |
| 4089 | |
| 4090 | qp.qpn = qpn; |
| 4091 | if (attach) { |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 4092 | err = qp_attach(dev, slave, &qp, gid, block_loopback, prot, |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 4093 | type, ®_id); |
| 4094 | if (err) { |
| 4095 | pr_err("Fail to attach rule to qp 0x%x\n", qpn); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4096 | goto ex_put; |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 4097 | } |
| 4098 | err = add_mcg_res(dev, slave, rqp, gid, prot, type, reg_id); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4099 | if (err) |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 4100 | goto ex_detach; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4101 | } else { |
Jack Morgenstein | 531d901 | 2014-05-04 17:07:22 +0300 | [diff] [blame] | 4102 | err = mlx4_adjust_port(dev, slave, gid, prot); |
| 4103 | if (err) |
| 4104 | goto ex_put; |
| 4105 | |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 4106 | err = rem_mcg_res(dev, slave, rqp, gid, prot, type, ®_id); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4107 | if (err) |
| 4108 | goto ex_put; |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 4109 | |
| 4110 | err = qp_detach(dev, &qp, gid, prot, type, reg_id); |
| 4111 | if (err) |
| 4112 | pr_err("Fail to detach rule from qp 0x%x reg_id = 0x%llx\n", |
| 4113 | qpn, reg_id); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4114 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4115 | put_res(dev, slave, qpn, RES_QP); |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 4116 | return err; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4117 | |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 4118 | ex_detach: |
| 4119 | qp_detach(dev, &qp, gid, prot, type, reg_id); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4120 | ex_put: |
| 4121 | put_res(dev, slave, qpn, RES_QP); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4122 | return err; |
| 4123 | } |
| 4124 | |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 4125 | /* |
| 4126 | * MAC validation for Flow Steering rules. |
| 4127 | * VF can attach rules only with a mac address which is assigned to it. |
| 4128 | */ |
| 4129 | static int validate_eth_header_mac(int slave, struct _rule_hw *eth_header, |
| 4130 | struct list_head *rlist) |
| 4131 | { |
| 4132 | struct mac_res *res, *tmp; |
| 4133 | __be64 be_mac; |
| 4134 | |
| 4135 | /* make sure it isn't multicast or broadcast mac*/ |
| 4136 | if (!is_multicast_ether_addr(eth_header->eth.dst_mac) && |
| 4137 | !is_broadcast_ether_addr(eth_header->eth.dst_mac)) { |
| 4138 | list_for_each_entry_safe(res, tmp, rlist, list) { |
| 4139 | be_mac = cpu_to_be64(res->mac << 16); |
dingtianhong | c0623e5 | 2013-12-30 15:40:55 +0800 | [diff] [blame] | 4140 | if (ether_addr_equal((u8 *)&be_mac, eth_header->eth.dst_mac)) |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 4141 | return 0; |
| 4142 | } |
| 4143 | pr_err("MAC %pM doesn't belong to VF %d, Steering rule rejected\n", |
| 4144 | eth_header->eth.dst_mac, slave); |
| 4145 | return -EINVAL; |
| 4146 | } |
| 4147 | return 0; |
| 4148 | } |
| 4149 | |
Matan Barak | 4856413 | 2015-05-31 09:30:15 +0300 | [diff] [blame] | 4150 | static void handle_eth_header_mcast_prio(struct mlx4_net_trans_rule_hw_ctrl *ctrl, |
| 4151 | struct _rule_hw *eth_header) |
| 4152 | { |
| 4153 | if (is_multicast_ether_addr(eth_header->eth.dst_mac) || |
| 4154 | is_broadcast_ether_addr(eth_header->eth.dst_mac)) { |
| 4155 | struct mlx4_net_trans_rule_hw_eth *eth = |
| 4156 | (struct mlx4_net_trans_rule_hw_eth *)eth_header; |
| 4157 | struct _rule_hw *next_rule = (struct _rule_hw *)(eth + 1); |
| 4158 | bool last_rule = next_rule->size == 0 && next_rule->id == 0 && |
| 4159 | next_rule->rsvd == 0; |
| 4160 | |
| 4161 | if (last_rule) |
| 4162 | ctrl->prio = cpu_to_be16(MLX4_DOMAIN_NIC); |
| 4163 | } |
| 4164 | } |
| 4165 | |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 4166 | /* |
| 4167 | * In case of missing eth header, append eth header with a MAC address |
| 4168 | * assigned to the VF. |
| 4169 | */ |
| 4170 | static int add_eth_header(struct mlx4_dev *dev, int slave, |
| 4171 | struct mlx4_cmd_mailbox *inbox, |
| 4172 | struct list_head *rlist, int header_id) |
| 4173 | { |
| 4174 | struct mac_res *res, *tmp; |
| 4175 | u8 port; |
| 4176 | struct mlx4_net_trans_rule_hw_ctrl *ctrl; |
| 4177 | struct mlx4_net_trans_rule_hw_eth *eth_header; |
| 4178 | struct mlx4_net_trans_rule_hw_ipv4 *ip_header; |
| 4179 | struct mlx4_net_trans_rule_hw_tcp_udp *l4_header; |
| 4180 | __be64 be_mac = 0; |
| 4181 | __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16); |
| 4182 | |
| 4183 | ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf; |
Hadar Hen Zion | 015465f | 2013-01-30 23:07:02 +0000 | [diff] [blame] | 4184 | port = ctrl->port; |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 4185 | eth_header = (struct mlx4_net_trans_rule_hw_eth *)(ctrl + 1); |
| 4186 | |
| 4187 | /* Clear a space in the inbox for eth header */ |
| 4188 | switch (header_id) { |
| 4189 | case MLX4_NET_TRANS_RULE_ID_IPV4: |
| 4190 | ip_header = |
| 4191 | (struct mlx4_net_trans_rule_hw_ipv4 *)(eth_header + 1); |
| 4192 | memmove(ip_header, eth_header, |
| 4193 | sizeof(*ip_header) + sizeof(*l4_header)); |
| 4194 | break; |
| 4195 | case MLX4_NET_TRANS_RULE_ID_TCP: |
| 4196 | case MLX4_NET_TRANS_RULE_ID_UDP: |
| 4197 | l4_header = (struct mlx4_net_trans_rule_hw_tcp_udp *) |
| 4198 | (eth_header + 1); |
| 4199 | memmove(l4_header, eth_header, sizeof(*l4_header)); |
| 4200 | break; |
| 4201 | default: |
| 4202 | return -EINVAL; |
| 4203 | } |
| 4204 | list_for_each_entry_safe(res, tmp, rlist, list) { |
| 4205 | if (port == res->port) { |
| 4206 | be_mac = cpu_to_be64(res->mac << 16); |
| 4207 | break; |
| 4208 | } |
| 4209 | } |
| 4210 | if (!be_mac) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 4211 | pr_err("Failed adding eth header to FS rule, Can't find matching MAC for port %d\n", |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 4212 | port); |
| 4213 | return -EINVAL; |
| 4214 | } |
| 4215 | |
| 4216 | memset(eth_header, 0, sizeof(*eth_header)); |
| 4217 | eth_header->size = sizeof(*eth_header) >> 2; |
| 4218 | eth_header->id = cpu_to_be16(__sw_id_hw[MLX4_NET_TRANS_RULE_ID_ETH]); |
| 4219 | memcpy(eth_header->dst_mac, &be_mac, ETH_ALEN); |
| 4220 | memcpy(eth_header->dst_mac_msk, &mac_msk, ETH_ALEN); |
| 4221 | |
| 4222 | return 0; |
| 4223 | |
| 4224 | } |
| 4225 | |
Maor Gottlieb | 9a89283 | 2015-10-15 14:44:38 +0300 | [diff] [blame] | 4226 | #define MLX4_UPD_QP_PATH_MASK_SUPPORTED ( \ |
| 4227 | 1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX |\ |
| 4228 | 1ULL << MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_MC_LB) |
Matan Barak | ce8d9e0 | 2014-05-15 15:29:27 +0300 | [diff] [blame] | 4229 | int mlx4_UPDATE_QP_wrapper(struct mlx4_dev *dev, int slave, |
| 4230 | struct mlx4_vhcr *vhcr, |
| 4231 | struct mlx4_cmd_mailbox *inbox, |
| 4232 | struct mlx4_cmd_mailbox *outbox, |
| 4233 | struct mlx4_cmd_info *cmd_info) |
| 4234 | { |
| 4235 | int err; |
| 4236 | u32 qpn = vhcr->in_modifier & 0xffffff; |
| 4237 | struct res_qp *rqp; |
| 4238 | u64 mac; |
| 4239 | unsigned port; |
| 4240 | u64 pri_addr_path_mask; |
| 4241 | struct mlx4_update_qp_context *cmd; |
| 4242 | int smac_index; |
| 4243 | |
| 4244 | cmd = (struct mlx4_update_qp_context *)inbox->buf; |
| 4245 | |
| 4246 | pri_addr_path_mask = be64_to_cpu(cmd->primary_addr_path_mask); |
| 4247 | if (cmd->qp_mask || cmd->secondary_addr_path_mask || |
| 4248 | (pri_addr_path_mask & ~MLX4_UPD_QP_PATH_MASK_SUPPORTED)) |
| 4249 | return -EPERM; |
| 4250 | |
Maor Gottlieb | 9a89283 | 2015-10-15 14:44:38 +0300 | [diff] [blame] | 4251 | if ((pri_addr_path_mask & |
| 4252 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_SRC_CHECK_MC_LB)) && |
| 4253 | !(dev->caps.flags2 & |
| 4254 | MLX4_DEV_CAP_FLAG2_UPDATE_QP_SRC_CHECK_LB)) { |
Christophe Jaillet | 5d4de16 | 2016-07-02 14:31:05 +0200 | [diff] [blame] | 4255 | mlx4_warn(dev, "Src check LB for slave %d isn't supported\n", |
| 4256 | slave); |
Maor Gottlieb | 9a89283 | 2015-10-15 14:44:38 +0300 | [diff] [blame] | 4257 | return -ENOTSUPP; |
| 4258 | } |
| 4259 | |
Matan Barak | ce8d9e0 | 2014-05-15 15:29:27 +0300 | [diff] [blame] | 4260 | /* Just change the smac for the QP */ |
| 4261 | err = get_res(dev, slave, qpn, RES_QP, &rqp); |
| 4262 | if (err) { |
| 4263 | mlx4_err(dev, "Updating qpn 0x%x for slave %d rejected\n", qpn, slave); |
| 4264 | return err; |
| 4265 | } |
| 4266 | |
| 4267 | port = (rqp->sched_queue >> 6 & 1) + 1; |
Matan Barak | b783475 | 2014-09-10 16:41:55 +0300 | [diff] [blame] | 4268 | |
| 4269 | if (pri_addr_path_mask & (1ULL << MLX4_UPD_QP_PATH_MASK_MAC_INDEX)) { |
| 4270 | smac_index = cmd->qp_context.pri_path.grh_mylmc; |
| 4271 | err = mac_find_smac_ix_in_slave(dev, slave, port, |
| 4272 | smac_index, &mac); |
| 4273 | |
| 4274 | if (err) { |
| 4275 | mlx4_err(dev, "Failed to update qpn 0x%x, MAC is invalid. smac_ix: %d\n", |
| 4276 | qpn, smac_index); |
| 4277 | goto err_mac; |
| 4278 | } |
Matan Barak | ce8d9e0 | 2014-05-15 15:29:27 +0300 | [diff] [blame] | 4279 | } |
| 4280 | |
| 4281 | err = mlx4_cmd(dev, inbox->dma, |
| 4282 | vhcr->in_modifier, 0, |
| 4283 | MLX4_CMD_UPDATE_QP, MLX4_CMD_TIME_CLASS_A, |
| 4284 | MLX4_CMD_NATIVE); |
| 4285 | if (err) { |
| 4286 | mlx4_err(dev, "Failed to update qpn on qpn 0x%x, command failed\n", qpn); |
| 4287 | goto err_mac; |
| 4288 | } |
| 4289 | |
| 4290 | err_mac: |
| 4291 | put_res(dev, slave, qpn, RES_QP); |
| 4292 | return err; |
| 4293 | } |
| 4294 | |
Moni Shoua | 78efed27 | 2015-12-06 18:07:40 +0200 | [diff] [blame] | 4295 | static u32 qp_attach_mbox_size(void *mbox) |
| 4296 | { |
| 4297 | u32 size = sizeof(struct mlx4_net_trans_rule_hw_ctrl); |
| 4298 | struct _rule_hw *rule_header; |
| 4299 | |
| 4300 | rule_header = (struct _rule_hw *)(mbox + size); |
| 4301 | |
| 4302 | while (rule_header->size) { |
| 4303 | size += rule_header->size * sizeof(u32); |
| 4304 | rule_header += 1; |
| 4305 | } |
| 4306 | return size; |
| 4307 | } |
| 4308 | |
| 4309 | static int mlx4_do_mirror_rule(struct mlx4_dev *dev, struct res_fs_rule *fs_rule); |
| 4310 | |
Hadar Hen Zion | 8fcfb4d | 2012-07-05 04:03:45 +0000 | [diff] [blame] | 4311 | int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave, |
| 4312 | struct mlx4_vhcr *vhcr, |
| 4313 | struct mlx4_cmd_mailbox *inbox, |
| 4314 | struct mlx4_cmd_mailbox *outbox, |
| 4315 | struct mlx4_cmd_info *cmd) |
| 4316 | { |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 4317 | |
| 4318 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4319 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 4320 | 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] | 4321 | int err; |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 4322 | int qpn; |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 4323 | struct res_qp *rqp; |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 4324 | struct mlx4_net_trans_rule_hw_ctrl *ctrl; |
| 4325 | struct _rule_hw *rule_header; |
| 4326 | int header_id; |
Moni Shoua | 78efed27 | 2015-12-06 18:07:40 +0200 | [diff] [blame] | 4327 | struct res_fs_rule *rrule; |
| 4328 | u32 mbox_size; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 4329 | |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 4330 | if (dev->caps.steering_mode != |
| 4331 | MLX4_STEERING_MODE_DEVICE_MANAGED) |
| 4332 | return -EOPNOTSUPP; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 4333 | |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 4334 | ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf; |
Andrzej Hajda | 2b2b31c | 2015-12-14 11:05:58 +0100 | [diff] [blame] | 4335 | err = mlx4_slave_convert_port(dev, slave, ctrl->port); |
| 4336 | if (err <= 0) |
Matan Barak | 449fc48 | 2014-03-19 18:11:52 +0200 | [diff] [blame] | 4337 | return -EINVAL; |
Andrzej Hajda | 2b2b31c | 2015-12-14 11:05:58 +0100 | [diff] [blame] | 4338 | ctrl->port = err; |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 4339 | qpn = be32_to_cpu(ctrl->qpn) & 0xffffff; |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 4340 | err = get_res(dev, slave, qpn, RES_QP, &rqp); |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 4341 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 4342 | pr_err("Steering rule with qpn 0x%x rejected\n", qpn); |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 4343 | return err; |
| 4344 | } |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 4345 | rule_header = (struct _rule_hw *)(ctrl + 1); |
| 4346 | header_id = map_hw_to_sw_id(be16_to_cpu(rule_header->id)); |
| 4347 | |
Matan Barak | 4856413 | 2015-05-31 09:30:15 +0300 | [diff] [blame] | 4348 | if (header_id == MLX4_NET_TRANS_RULE_ID_ETH) |
| 4349 | handle_eth_header_mcast_prio(ctrl, rule_header); |
| 4350 | |
| 4351 | if (slave == dev->caps.function) |
| 4352 | goto execute; |
| 4353 | |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 4354 | switch (header_id) { |
| 4355 | case MLX4_NET_TRANS_RULE_ID_ETH: |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 4356 | if (validate_eth_header_mac(slave, rule_header, rlist)) { |
| 4357 | err = -EINVAL; |
Moni Shoua | 78efed27 | 2015-12-06 18:07:40 +0200 | [diff] [blame] | 4358 | goto err_put_qp; |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 4359 | } |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 4360 | break; |
Jack Morgenstein | 6039668 | 2012-10-03 15:38:48 +0000 | [diff] [blame] | 4361 | case MLX4_NET_TRANS_RULE_ID_IB: |
| 4362 | break; |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 4363 | case MLX4_NET_TRANS_RULE_ID_IPV4: |
| 4364 | case MLX4_NET_TRANS_RULE_ID_TCP: |
| 4365 | case MLX4_NET_TRANS_RULE_ID_UDP: |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 4366 | 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] | 4367 | if (add_eth_header(dev, slave, inbox, rlist, header_id)) { |
| 4368 | err = -EINVAL; |
Moni Shoua | 78efed27 | 2015-12-06 18:07:40 +0200 | [diff] [blame] | 4369 | goto err_put_qp; |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 4370 | } |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 4371 | vhcr->in_modifier += |
| 4372 | sizeof(struct mlx4_net_trans_rule_hw_eth) >> 2; |
| 4373 | break; |
| 4374 | default: |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 4375 | pr_err("Corrupted mailbox\n"); |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 4376 | err = -EINVAL; |
Moni Shoua | 78efed27 | 2015-12-06 18:07:40 +0200 | [diff] [blame] | 4377 | goto err_put_qp; |
Hadar Hen Zion | 7fb40f8 | 2012-09-05 22:50:49 +0000 | [diff] [blame] | 4378 | } |
| 4379 | |
Matan Barak | 4856413 | 2015-05-31 09:30:15 +0300 | [diff] [blame] | 4380 | execute: |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 4381 | err = mlx4_cmd_imm(dev, inbox->dma, &vhcr->out_param, |
| 4382 | vhcr->in_modifier, 0, |
| 4383 | MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, |
| 4384 | MLX4_CMD_NATIVE); |
| 4385 | if (err) |
Moni Shoua | 78efed27 | 2015-12-06 18:07:40 +0200 | [diff] [blame] | 4386 | goto err_put_qp; |
| 4387 | |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 4388 | |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 4389 | 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] | 4390 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 4391 | mlx4_err(dev, "Fail to add flow steering resources\n"); |
Moni Shoua | 78efed27 | 2015-12-06 18:07:40 +0200 | [diff] [blame] | 4392 | goto err_detach; |
| 4393 | } |
| 4394 | |
| 4395 | err = get_res(dev, slave, vhcr->out_param, RES_FS_RULE, &rrule); |
| 4396 | if (err) |
| 4397 | goto err_detach; |
| 4398 | |
| 4399 | mbox_size = qp_attach_mbox_size(inbox->buf); |
| 4400 | rrule->mirr_mbox = kmalloc(mbox_size, GFP_KERNEL); |
| 4401 | if (!rrule->mirr_mbox) { |
| 4402 | err = -ENOMEM; |
| 4403 | goto err_put_rule; |
| 4404 | } |
| 4405 | rrule->mirr_mbox_size = mbox_size; |
| 4406 | rrule->mirr_rule_id = 0; |
| 4407 | memcpy(rrule->mirr_mbox, inbox->buf, mbox_size); |
| 4408 | |
| 4409 | /* set different port */ |
| 4410 | ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)rrule->mirr_mbox; |
| 4411 | if (ctrl->port == 1) |
| 4412 | ctrl->port = 2; |
| 4413 | else |
| 4414 | ctrl->port = 1; |
| 4415 | |
| 4416 | if (mlx4_is_bonded(dev)) |
| 4417 | mlx4_do_mirror_rule(dev, rrule); |
| 4418 | |
| 4419 | atomic_inc(&rqp->ref_count); |
| 4420 | |
| 4421 | err_put_rule: |
| 4422 | put_res(dev, slave, vhcr->out_param, RES_FS_RULE); |
| 4423 | err_detach: |
| 4424 | /* detach rule on error */ |
| 4425 | if (err) |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 4426 | mlx4_cmd(dev, vhcr->out_param, 0, 0, |
Hadar Hen Zion | 2065b38 | 2012-12-06 17:11:58 +0000 | [diff] [blame] | 4427 | MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 4428 | MLX4_CMD_NATIVE); |
Moni Shoua | 78efed27 | 2015-12-06 18:07:40 +0200 | [diff] [blame] | 4429 | err_put_qp: |
Hadar Hen Zion | a9c01e7 | 2012-12-06 17:11:57 +0000 | [diff] [blame] | 4430 | put_res(dev, slave, qpn, RES_QP); |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 4431 | return err; |
Hadar Hen Zion | 8fcfb4d | 2012-07-05 04:03:45 +0000 | [diff] [blame] | 4432 | } |
| 4433 | |
Moni Shoua | 78efed27 | 2015-12-06 18:07:40 +0200 | [diff] [blame] | 4434 | static int mlx4_undo_mirror_rule(struct mlx4_dev *dev, struct res_fs_rule *fs_rule) |
| 4435 | { |
| 4436 | int err; |
| 4437 | |
| 4438 | err = rem_res_range(dev, fs_rule->com.owner, fs_rule->com.res_id, 1, RES_FS_RULE, 0); |
| 4439 | if (err) { |
| 4440 | mlx4_err(dev, "Fail to remove flow steering resources\n"); |
| 4441 | return err; |
| 4442 | } |
| 4443 | |
| 4444 | mlx4_cmd(dev, fs_rule->com.res_id, 0, 0, MLX4_QP_FLOW_STEERING_DETACH, |
| 4445 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
| 4446 | return 0; |
| 4447 | } |
| 4448 | |
Hadar Hen Zion | 8fcfb4d | 2012-07-05 04:03:45 +0000 | [diff] [blame] | 4449 | int mlx4_QP_FLOW_STEERING_DETACH_wrapper(struct mlx4_dev *dev, int slave, |
| 4450 | struct mlx4_vhcr *vhcr, |
| 4451 | struct mlx4_cmd_mailbox *inbox, |
| 4452 | struct mlx4_cmd_mailbox *outbox, |
| 4453 | struct mlx4_cmd_info *cmd) |
| 4454 | { |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 4455 | int err; |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 4456 | struct res_qp *rqp; |
| 4457 | struct res_fs_rule *rrule; |
Moni Shoua | 78efed27 | 2015-12-06 18:07:40 +0200 | [diff] [blame] | 4458 | u64 mirr_reg_id; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 4459 | |
Hadar Hen Zion | 0ff1fb6 | 2012-07-05 04:03:46 +0000 | [diff] [blame] | 4460 | if (dev->caps.steering_mode != |
| 4461 | MLX4_STEERING_MODE_DEVICE_MANAGED) |
| 4462 | return -EOPNOTSUPP; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 4463 | |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 4464 | err = get_res(dev, slave, vhcr->in_param, RES_FS_RULE, &rrule); |
| 4465 | if (err) |
| 4466 | return err; |
Moni Shoua | 78efed27 | 2015-12-06 18:07:40 +0200 | [diff] [blame] | 4467 | |
| 4468 | if (!rrule->mirr_mbox) { |
| 4469 | mlx4_err(dev, "Mirror rules cannot be removed explicitly\n"); |
| 4470 | put_res(dev, slave, vhcr->in_param, RES_FS_RULE); |
| 4471 | return -EINVAL; |
| 4472 | } |
| 4473 | mirr_reg_id = rrule->mirr_rule_id; |
| 4474 | kfree(rrule->mirr_mbox); |
| 4475 | |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 4476 | /* Release the rule form busy state before removal */ |
| 4477 | put_res(dev, slave, vhcr->in_param, RES_FS_RULE); |
| 4478 | err = get_res(dev, slave, rrule->qpn, RES_QP, &rqp); |
| 4479 | if (err) |
| 4480 | return err; |
| 4481 | |
Moni Shoua | 78efed27 | 2015-12-06 18:07:40 +0200 | [diff] [blame] | 4482 | if (mirr_reg_id && mlx4_is_bonded(dev)) { |
| 4483 | err = get_res(dev, slave, mirr_reg_id, RES_FS_RULE, &rrule); |
| 4484 | if (err) { |
| 4485 | mlx4_err(dev, "Fail to get resource of mirror rule\n"); |
| 4486 | } else { |
| 4487 | put_res(dev, slave, mirr_reg_id, RES_FS_RULE); |
| 4488 | mlx4_undo_mirror_rule(dev, rrule); |
| 4489 | } |
| 4490 | } |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 4491 | err = rem_res_range(dev, slave, vhcr->in_param, 1, RES_FS_RULE, 0); |
| 4492 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 4493 | mlx4_err(dev, "Fail to remove flow steering resources\n"); |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 4494 | goto out; |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 4495 | } |
| 4496 | |
| 4497 | err = mlx4_cmd(dev, vhcr->in_param, 0, 0, |
| 4498 | MLX4_QP_FLOW_STEERING_DETACH, MLX4_CMD_TIME_CLASS_A, |
| 4499 | MLX4_CMD_NATIVE); |
Hadar Hen Zion | 2c473ae | 2013-03-21 05:55:55 +0000 | [diff] [blame] | 4500 | if (!err) |
| 4501 | atomic_dec(&rqp->ref_count); |
| 4502 | out: |
| 4503 | put_res(dev, slave, rrule->qpn, RES_QP); |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 4504 | return err; |
Hadar Hen Zion | 8fcfb4d | 2012-07-05 04:03:45 +0000 | [diff] [blame] | 4505 | } |
| 4506 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4507 | enum { |
| 4508 | BUSY_MAX_RETRIES = 10 |
| 4509 | }; |
| 4510 | |
| 4511 | int mlx4_QUERY_IF_STAT_wrapper(struct mlx4_dev *dev, int slave, |
| 4512 | struct mlx4_vhcr *vhcr, |
| 4513 | struct mlx4_cmd_mailbox *inbox, |
| 4514 | struct mlx4_cmd_mailbox *outbox, |
| 4515 | struct mlx4_cmd_info *cmd) |
| 4516 | { |
| 4517 | int err; |
| 4518 | int index = vhcr->in_modifier & 0xffff; |
| 4519 | |
| 4520 | err = get_res(dev, slave, index, RES_COUNTER, NULL); |
| 4521 | if (err) |
| 4522 | return err; |
| 4523 | |
| 4524 | err = mlx4_DMA_wrapper(dev, slave, vhcr, inbox, outbox, cmd); |
| 4525 | put_res(dev, slave, index, RES_COUNTER); |
| 4526 | return err; |
| 4527 | } |
| 4528 | |
| 4529 | static void detach_qp(struct mlx4_dev *dev, int slave, struct res_qp *rqp) |
| 4530 | { |
| 4531 | struct res_gid *rgid; |
| 4532 | struct res_gid *tmp; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4533 | struct mlx4_qp qp; /* dummy for calling attach/detach */ |
| 4534 | |
| 4535 | list_for_each_entry_safe(rgid, tmp, &rqp->mcg_list, list) { |
Hadar Hen Zion | fab1e24 | 2013-04-11 01:56:41 +0000 | [diff] [blame] | 4536 | switch (dev->caps.steering_mode) { |
| 4537 | case MLX4_STEERING_MODE_DEVICE_MANAGED: |
| 4538 | mlx4_flow_detach(dev, rgid->reg_id); |
| 4539 | break; |
| 4540 | case MLX4_STEERING_MODE_B0: |
| 4541 | qp.qpn = rqp->local_qpn; |
| 4542 | (void) mlx4_qp_detach_common(dev, &qp, rgid->gid, |
| 4543 | rgid->prot, rgid->steer); |
| 4544 | break; |
| 4545 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4546 | list_del(&rgid->list); |
| 4547 | kfree(rgid); |
| 4548 | } |
| 4549 | } |
| 4550 | |
| 4551 | static int _move_all_busy(struct mlx4_dev *dev, int slave, |
| 4552 | enum mlx4_resource type, int print) |
| 4553 | { |
| 4554 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4555 | struct mlx4_resource_tracker *tracker = |
| 4556 | &priv->mfunc.master.res_tracker; |
| 4557 | struct list_head *rlist = &tracker->slave_list[slave].res_list[type]; |
| 4558 | struct res_common *r; |
| 4559 | struct res_common *tmp; |
| 4560 | int busy; |
| 4561 | |
| 4562 | busy = 0; |
| 4563 | spin_lock_irq(mlx4_tlock(dev)); |
| 4564 | list_for_each_entry_safe(r, tmp, rlist, list) { |
| 4565 | if (r->owner == slave) { |
| 4566 | if (!r->removing) { |
| 4567 | if (r->state == RES_ANY_BUSY) { |
| 4568 | if (print) |
| 4569 | mlx4_dbg(dev, |
Hadar Hen Zion | aa1ec3d | 2012-07-05 04:03:42 +0000 | [diff] [blame] | 4570 | "%s id 0x%llx is busy\n", |
Jack Morgenstein | 95646373 | 2014-06-08 13:49:45 +0300 | [diff] [blame] | 4571 | resource_str(type), |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4572 | r->res_id); |
| 4573 | ++busy; |
| 4574 | } else { |
| 4575 | r->from_state = r->state; |
| 4576 | r->state = RES_ANY_BUSY; |
| 4577 | r->removing = 1; |
| 4578 | } |
| 4579 | } |
| 4580 | } |
| 4581 | } |
| 4582 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4583 | |
| 4584 | return busy; |
| 4585 | } |
| 4586 | |
| 4587 | static int move_all_busy(struct mlx4_dev *dev, int slave, |
| 4588 | enum mlx4_resource type) |
| 4589 | { |
| 4590 | unsigned long begin; |
| 4591 | int busy; |
| 4592 | |
| 4593 | begin = jiffies; |
| 4594 | do { |
| 4595 | busy = _move_all_busy(dev, slave, type, 0); |
| 4596 | if (time_after(jiffies, begin + 5 * HZ)) |
| 4597 | break; |
| 4598 | if (busy) |
| 4599 | cond_resched(); |
| 4600 | } while (busy); |
| 4601 | |
| 4602 | if (busy) |
| 4603 | busy = _move_all_busy(dev, slave, type, 1); |
| 4604 | |
| 4605 | return busy; |
| 4606 | } |
| 4607 | static void rem_slave_qps(struct mlx4_dev *dev, int slave) |
| 4608 | { |
| 4609 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4610 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 4611 | struct list_head *qp_list = |
| 4612 | &tracker->slave_list[slave].res_list[RES_QP]; |
| 4613 | struct res_qp *qp; |
| 4614 | struct res_qp *tmp; |
| 4615 | int state; |
| 4616 | u64 in_param; |
| 4617 | int qpn; |
| 4618 | int err; |
| 4619 | |
| 4620 | err = move_all_busy(dev, slave, RES_QP); |
| 4621 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 4622 | mlx4_warn(dev, "rem_slave_qps: Could not move all qps to busy for slave %d\n", |
| 4623 | slave); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4624 | |
| 4625 | spin_lock_irq(mlx4_tlock(dev)); |
| 4626 | list_for_each_entry_safe(qp, tmp, qp_list, com.list) { |
| 4627 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4628 | if (qp->com.owner == slave) { |
| 4629 | qpn = qp->com.res_id; |
| 4630 | detach_qp(dev, slave, qp); |
| 4631 | state = qp->com.from_state; |
| 4632 | while (state != 0) { |
| 4633 | switch (state) { |
| 4634 | case RES_QP_RESERVED: |
| 4635 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 4636 | rb_erase(&qp->com.node, |
| 4637 | &tracker->res_tree[RES_QP]); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4638 | list_del(&qp->com.list); |
| 4639 | spin_unlock_irq(mlx4_tlock(dev)); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 4640 | if (!valid_reserved(dev, slave, qpn)) { |
| 4641 | __mlx4_qp_release_range(dev, qpn, 1); |
| 4642 | mlx4_release_resource(dev, slave, |
| 4643 | RES_QP, 1, 0); |
| 4644 | } |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4645 | kfree(qp); |
| 4646 | state = 0; |
| 4647 | break; |
| 4648 | case RES_QP_MAPPED: |
| 4649 | if (!valid_reserved(dev, slave, qpn)) |
| 4650 | __mlx4_qp_free_icm(dev, qpn); |
| 4651 | state = RES_QP_RESERVED; |
| 4652 | break; |
| 4653 | case RES_QP_HW: |
| 4654 | in_param = slave; |
| 4655 | err = mlx4_cmd(dev, in_param, |
| 4656 | qp->local_qpn, 2, |
| 4657 | MLX4_CMD_2RST_QP, |
| 4658 | MLX4_CMD_TIME_CLASS_A, |
| 4659 | MLX4_CMD_NATIVE); |
| 4660 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 4661 | mlx4_dbg(dev, "rem_slave_qps: failed to move slave %d qpn %d to reset\n", |
| 4662 | slave, qp->local_qpn); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4663 | atomic_dec(&qp->rcq->ref_count); |
| 4664 | atomic_dec(&qp->scq->ref_count); |
| 4665 | atomic_dec(&qp->mtt->ref_count); |
| 4666 | if (qp->srq) |
| 4667 | atomic_dec(&qp->srq->ref_count); |
| 4668 | state = RES_QP_MAPPED; |
| 4669 | break; |
| 4670 | default: |
| 4671 | state = 0; |
| 4672 | } |
| 4673 | } |
| 4674 | } |
| 4675 | spin_lock_irq(mlx4_tlock(dev)); |
| 4676 | } |
| 4677 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4678 | } |
| 4679 | |
| 4680 | static void rem_slave_srqs(struct mlx4_dev *dev, int slave) |
| 4681 | { |
| 4682 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4683 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 4684 | struct list_head *srq_list = |
| 4685 | &tracker->slave_list[slave].res_list[RES_SRQ]; |
| 4686 | struct res_srq *srq; |
| 4687 | struct res_srq *tmp; |
| 4688 | int state; |
| 4689 | u64 in_param; |
| 4690 | LIST_HEAD(tlist); |
| 4691 | int srqn; |
| 4692 | int err; |
| 4693 | |
| 4694 | err = move_all_busy(dev, slave, RES_SRQ); |
| 4695 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 4696 | mlx4_warn(dev, "rem_slave_srqs: Could not move all srqs - too busy for slave %d\n", |
| 4697 | slave); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4698 | |
| 4699 | spin_lock_irq(mlx4_tlock(dev)); |
| 4700 | list_for_each_entry_safe(srq, tmp, srq_list, com.list) { |
| 4701 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4702 | if (srq->com.owner == slave) { |
| 4703 | srqn = srq->com.res_id; |
| 4704 | state = srq->com.from_state; |
| 4705 | while (state != 0) { |
| 4706 | switch (state) { |
| 4707 | case RES_SRQ_ALLOCATED: |
| 4708 | __mlx4_srq_free_icm(dev, srqn); |
| 4709 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 4710 | rb_erase(&srq->com.node, |
| 4711 | &tracker->res_tree[RES_SRQ]); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4712 | list_del(&srq->com.list); |
| 4713 | spin_unlock_irq(mlx4_tlock(dev)); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 4714 | mlx4_release_resource(dev, slave, |
| 4715 | RES_SRQ, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4716 | kfree(srq); |
| 4717 | state = 0; |
| 4718 | break; |
| 4719 | |
| 4720 | case RES_SRQ_HW: |
| 4721 | in_param = slave; |
| 4722 | err = mlx4_cmd(dev, in_param, srqn, 1, |
| 4723 | MLX4_CMD_HW2SW_SRQ, |
| 4724 | MLX4_CMD_TIME_CLASS_A, |
| 4725 | MLX4_CMD_NATIVE); |
| 4726 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 4727 | mlx4_dbg(dev, "rem_slave_srqs: failed to move slave %d srq %d to SW ownership\n", |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4728 | slave, srqn); |
| 4729 | |
| 4730 | atomic_dec(&srq->mtt->ref_count); |
| 4731 | if (srq->cq) |
| 4732 | atomic_dec(&srq->cq->ref_count); |
| 4733 | state = RES_SRQ_ALLOCATED; |
| 4734 | break; |
| 4735 | |
| 4736 | default: |
| 4737 | state = 0; |
| 4738 | } |
| 4739 | } |
| 4740 | } |
| 4741 | spin_lock_irq(mlx4_tlock(dev)); |
| 4742 | } |
| 4743 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4744 | } |
| 4745 | |
| 4746 | static void rem_slave_cqs(struct mlx4_dev *dev, int slave) |
| 4747 | { |
| 4748 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4749 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 4750 | struct list_head *cq_list = |
| 4751 | &tracker->slave_list[slave].res_list[RES_CQ]; |
| 4752 | struct res_cq *cq; |
| 4753 | struct res_cq *tmp; |
| 4754 | int state; |
| 4755 | u64 in_param; |
| 4756 | LIST_HEAD(tlist); |
| 4757 | int cqn; |
| 4758 | int err; |
| 4759 | |
| 4760 | err = move_all_busy(dev, slave, RES_CQ); |
| 4761 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 4762 | mlx4_warn(dev, "rem_slave_cqs: Could not move all cqs - too busy for slave %d\n", |
| 4763 | slave); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4764 | |
| 4765 | spin_lock_irq(mlx4_tlock(dev)); |
| 4766 | list_for_each_entry_safe(cq, tmp, cq_list, com.list) { |
| 4767 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4768 | if (cq->com.owner == slave && !atomic_read(&cq->ref_count)) { |
| 4769 | cqn = cq->com.res_id; |
| 4770 | state = cq->com.from_state; |
| 4771 | while (state != 0) { |
| 4772 | switch (state) { |
| 4773 | case RES_CQ_ALLOCATED: |
| 4774 | __mlx4_cq_free_icm(dev, cqn); |
| 4775 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 4776 | rb_erase(&cq->com.node, |
| 4777 | &tracker->res_tree[RES_CQ]); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4778 | list_del(&cq->com.list); |
| 4779 | spin_unlock_irq(mlx4_tlock(dev)); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 4780 | mlx4_release_resource(dev, slave, |
| 4781 | RES_CQ, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4782 | kfree(cq); |
| 4783 | state = 0; |
| 4784 | break; |
| 4785 | |
| 4786 | case RES_CQ_HW: |
| 4787 | in_param = slave; |
| 4788 | err = mlx4_cmd(dev, in_param, cqn, 1, |
| 4789 | MLX4_CMD_HW2SW_CQ, |
| 4790 | MLX4_CMD_TIME_CLASS_A, |
| 4791 | MLX4_CMD_NATIVE); |
| 4792 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 4793 | mlx4_dbg(dev, "rem_slave_cqs: failed to move slave %d cq %d to SW ownership\n", |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4794 | slave, cqn); |
| 4795 | atomic_dec(&cq->mtt->ref_count); |
| 4796 | state = RES_CQ_ALLOCATED; |
| 4797 | break; |
| 4798 | |
| 4799 | default: |
| 4800 | state = 0; |
| 4801 | } |
| 4802 | } |
| 4803 | } |
| 4804 | spin_lock_irq(mlx4_tlock(dev)); |
| 4805 | } |
| 4806 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4807 | } |
| 4808 | |
| 4809 | static void rem_slave_mrs(struct mlx4_dev *dev, int slave) |
| 4810 | { |
| 4811 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4812 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 4813 | struct list_head *mpt_list = |
| 4814 | &tracker->slave_list[slave].res_list[RES_MPT]; |
| 4815 | struct res_mpt *mpt; |
| 4816 | struct res_mpt *tmp; |
| 4817 | int state; |
| 4818 | u64 in_param; |
| 4819 | LIST_HEAD(tlist); |
| 4820 | int mptn; |
| 4821 | int err; |
| 4822 | |
| 4823 | err = move_all_busy(dev, slave, RES_MPT); |
| 4824 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 4825 | mlx4_warn(dev, "rem_slave_mrs: Could not move all mpts - too busy for slave %d\n", |
| 4826 | slave); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4827 | |
| 4828 | spin_lock_irq(mlx4_tlock(dev)); |
| 4829 | list_for_each_entry_safe(mpt, tmp, mpt_list, com.list) { |
| 4830 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4831 | if (mpt->com.owner == slave) { |
| 4832 | mptn = mpt->com.res_id; |
| 4833 | state = mpt->com.from_state; |
| 4834 | while (state != 0) { |
| 4835 | switch (state) { |
| 4836 | case RES_MPT_RESERVED: |
Shani Michaeli | b20e519 | 2013-02-06 16:19:08 +0000 | [diff] [blame] | 4837 | __mlx4_mpt_release(dev, mpt->key); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4838 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 4839 | rb_erase(&mpt->com.node, |
| 4840 | &tracker->res_tree[RES_MPT]); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4841 | list_del(&mpt->com.list); |
| 4842 | spin_unlock_irq(mlx4_tlock(dev)); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 4843 | mlx4_release_resource(dev, slave, |
| 4844 | RES_MPT, 1, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4845 | kfree(mpt); |
| 4846 | state = 0; |
| 4847 | break; |
| 4848 | |
| 4849 | case RES_MPT_MAPPED: |
Shani Michaeli | b20e519 | 2013-02-06 16:19:08 +0000 | [diff] [blame] | 4850 | __mlx4_mpt_free_icm(dev, mpt->key); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4851 | state = RES_MPT_RESERVED; |
| 4852 | break; |
| 4853 | |
| 4854 | case RES_MPT_HW: |
| 4855 | in_param = slave; |
| 4856 | err = mlx4_cmd(dev, in_param, mptn, 0, |
| 4857 | MLX4_CMD_HW2SW_MPT, |
| 4858 | MLX4_CMD_TIME_CLASS_A, |
| 4859 | MLX4_CMD_NATIVE); |
| 4860 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 4861 | mlx4_dbg(dev, "rem_slave_mrs: failed to move slave %d mpt %d to SW ownership\n", |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4862 | slave, mptn); |
| 4863 | if (mpt->mtt) |
| 4864 | atomic_dec(&mpt->mtt->ref_count); |
| 4865 | state = RES_MPT_MAPPED; |
| 4866 | break; |
| 4867 | default: |
| 4868 | state = 0; |
| 4869 | } |
| 4870 | } |
| 4871 | } |
| 4872 | spin_lock_irq(mlx4_tlock(dev)); |
| 4873 | } |
| 4874 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4875 | } |
| 4876 | |
| 4877 | static void rem_slave_mtts(struct mlx4_dev *dev, int slave) |
| 4878 | { |
| 4879 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4880 | struct mlx4_resource_tracker *tracker = |
| 4881 | &priv->mfunc.master.res_tracker; |
| 4882 | struct list_head *mtt_list = |
| 4883 | &tracker->slave_list[slave].res_list[RES_MTT]; |
| 4884 | struct res_mtt *mtt; |
| 4885 | struct res_mtt *tmp; |
| 4886 | int state; |
| 4887 | LIST_HEAD(tlist); |
| 4888 | int base; |
| 4889 | int err; |
| 4890 | |
| 4891 | err = move_all_busy(dev, slave, RES_MTT); |
| 4892 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 4893 | mlx4_warn(dev, "rem_slave_mtts: Could not move all mtts - too busy for slave %d\n", |
| 4894 | slave); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4895 | |
| 4896 | spin_lock_irq(mlx4_tlock(dev)); |
| 4897 | list_for_each_entry_safe(mtt, tmp, mtt_list, com.list) { |
| 4898 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4899 | if (mtt->com.owner == slave) { |
| 4900 | base = mtt->com.res_id; |
| 4901 | state = mtt->com.from_state; |
| 4902 | while (state != 0) { |
| 4903 | switch (state) { |
| 4904 | case RES_MTT_ALLOCATED: |
| 4905 | __mlx4_free_mtt_range(dev, base, |
| 4906 | mtt->order); |
| 4907 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 4908 | rb_erase(&mtt->com.node, |
| 4909 | &tracker->res_tree[RES_MTT]); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4910 | list_del(&mtt->com.list); |
| 4911 | spin_unlock_irq(mlx4_tlock(dev)); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 4912 | mlx4_release_resource(dev, slave, RES_MTT, |
| 4913 | 1 << mtt->order, 0); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 4914 | kfree(mtt); |
| 4915 | state = 0; |
| 4916 | break; |
| 4917 | |
| 4918 | default: |
| 4919 | state = 0; |
| 4920 | } |
| 4921 | } |
| 4922 | } |
| 4923 | spin_lock_irq(mlx4_tlock(dev)); |
| 4924 | } |
| 4925 | spin_unlock_irq(mlx4_tlock(dev)); |
| 4926 | } |
| 4927 | |
Moni Shoua | 78efed27 | 2015-12-06 18:07:40 +0200 | [diff] [blame] | 4928 | static int mlx4_do_mirror_rule(struct mlx4_dev *dev, struct res_fs_rule *fs_rule) |
| 4929 | { |
| 4930 | struct mlx4_cmd_mailbox *mailbox; |
| 4931 | int err; |
| 4932 | struct res_fs_rule *mirr_rule; |
| 4933 | u64 reg_id; |
| 4934 | |
| 4935 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
| 4936 | if (IS_ERR(mailbox)) |
| 4937 | return PTR_ERR(mailbox); |
| 4938 | |
| 4939 | if (!fs_rule->mirr_mbox) { |
| 4940 | mlx4_err(dev, "rule mirroring mailbox is null\n"); |
| 4941 | return -EINVAL; |
| 4942 | } |
| 4943 | memcpy(mailbox->buf, fs_rule->mirr_mbox, fs_rule->mirr_mbox_size); |
| 4944 | err = mlx4_cmd_imm(dev, mailbox->dma, ®_id, fs_rule->mirr_mbox_size >> 2, 0, |
| 4945 | MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, |
| 4946 | MLX4_CMD_NATIVE); |
| 4947 | mlx4_free_cmd_mailbox(dev, mailbox); |
| 4948 | |
| 4949 | if (err) |
| 4950 | goto err; |
| 4951 | |
| 4952 | err = add_res_range(dev, fs_rule->com.owner, reg_id, 1, RES_FS_RULE, fs_rule->qpn); |
| 4953 | if (err) |
| 4954 | goto err_detach; |
| 4955 | |
| 4956 | err = get_res(dev, fs_rule->com.owner, reg_id, RES_FS_RULE, &mirr_rule); |
| 4957 | if (err) |
| 4958 | goto err_rem; |
| 4959 | |
| 4960 | fs_rule->mirr_rule_id = reg_id; |
| 4961 | mirr_rule->mirr_rule_id = 0; |
| 4962 | mirr_rule->mirr_mbox_size = 0; |
| 4963 | mirr_rule->mirr_mbox = NULL; |
| 4964 | put_res(dev, fs_rule->com.owner, reg_id, RES_FS_RULE); |
| 4965 | |
| 4966 | return 0; |
| 4967 | err_rem: |
| 4968 | rem_res_range(dev, fs_rule->com.owner, reg_id, 1, RES_FS_RULE, 0); |
| 4969 | err_detach: |
| 4970 | mlx4_cmd(dev, reg_id, 0, 0, MLX4_QP_FLOW_STEERING_DETACH, |
| 4971 | MLX4_CMD_TIME_CLASS_A, MLX4_CMD_NATIVE); |
| 4972 | err: |
| 4973 | return err; |
| 4974 | } |
| 4975 | |
| 4976 | static int mlx4_mirror_fs_rules(struct mlx4_dev *dev, bool bond) |
| 4977 | { |
| 4978 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 4979 | struct mlx4_resource_tracker *tracker = |
| 4980 | &priv->mfunc.master.res_tracker; |
| 4981 | struct rb_root *root = &tracker->res_tree[RES_FS_RULE]; |
| 4982 | struct rb_node *p; |
| 4983 | struct res_fs_rule *fs_rule; |
| 4984 | int err = 0; |
| 4985 | LIST_HEAD(mirr_list); |
| 4986 | |
| 4987 | for (p = rb_first(root); p; p = rb_next(p)) { |
| 4988 | fs_rule = rb_entry(p, struct res_fs_rule, com.node); |
| 4989 | if ((bond && fs_rule->mirr_mbox_size) || |
| 4990 | (!bond && !fs_rule->mirr_mbox_size)) |
| 4991 | list_add_tail(&fs_rule->mirr_list, &mirr_list); |
| 4992 | } |
| 4993 | |
| 4994 | list_for_each_entry(fs_rule, &mirr_list, mirr_list) { |
| 4995 | if (bond) |
| 4996 | err += mlx4_do_mirror_rule(dev, fs_rule); |
| 4997 | else |
| 4998 | err += mlx4_undo_mirror_rule(dev, fs_rule); |
| 4999 | } |
| 5000 | return err; |
| 5001 | } |
| 5002 | |
| 5003 | int mlx4_bond_fs_rules(struct mlx4_dev *dev) |
| 5004 | { |
| 5005 | return mlx4_mirror_fs_rules(dev, true); |
| 5006 | } |
| 5007 | |
| 5008 | int mlx4_unbond_fs_rules(struct mlx4_dev *dev) |
| 5009 | { |
| 5010 | return mlx4_mirror_fs_rules(dev, false); |
| 5011 | } |
| 5012 | |
Hadar Hen Zion | 1b9c6b0 | 2012-07-05 04:03:47 +0000 | [diff] [blame] | 5013 | static void rem_slave_fs_rule(struct mlx4_dev *dev, int slave) |
| 5014 | { |
| 5015 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 5016 | struct mlx4_resource_tracker *tracker = |
| 5017 | &priv->mfunc.master.res_tracker; |
| 5018 | struct list_head *fs_rule_list = |
| 5019 | &tracker->slave_list[slave].res_list[RES_FS_RULE]; |
| 5020 | struct res_fs_rule *fs_rule; |
| 5021 | struct res_fs_rule *tmp; |
| 5022 | int state; |
| 5023 | u64 base; |
| 5024 | int err; |
| 5025 | |
| 5026 | err = move_all_busy(dev, slave, RES_FS_RULE); |
| 5027 | if (err) |
| 5028 | mlx4_warn(dev, "rem_slave_fs_rule: Could not move all mtts to busy for slave %d\n", |
| 5029 | slave); |
| 5030 | |
| 5031 | spin_lock_irq(mlx4_tlock(dev)); |
| 5032 | list_for_each_entry_safe(fs_rule, tmp, fs_rule_list, com.list) { |
| 5033 | spin_unlock_irq(mlx4_tlock(dev)); |
| 5034 | if (fs_rule->com.owner == slave) { |
| 5035 | base = fs_rule->com.res_id; |
| 5036 | state = fs_rule->com.from_state; |
| 5037 | while (state != 0) { |
| 5038 | switch (state) { |
| 5039 | case RES_FS_RULE_ALLOCATED: |
| 5040 | /* detach rule */ |
| 5041 | err = mlx4_cmd(dev, base, 0, 0, |
| 5042 | MLX4_QP_FLOW_STEERING_DETACH, |
| 5043 | MLX4_CMD_TIME_CLASS_A, |
| 5044 | MLX4_CMD_NATIVE); |
| 5045 | |
| 5046 | spin_lock_irq(mlx4_tlock(dev)); |
| 5047 | rb_erase(&fs_rule->com.node, |
| 5048 | &tracker->res_tree[RES_FS_RULE]); |
| 5049 | list_del(&fs_rule->com.list); |
| 5050 | spin_unlock_irq(mlx4_tlock(dev)); |
| 5051 | kfree(fs_rule); |
| 5052 | state = 0; |
| 5053 | break; |
| 5054 | |
| 5055 | default: |
| 5056 | state = 0; |
| 5057 | } |
| 5058 | } |
| 5059 | } |
| 5060 | spin_lock_irq(mlx4_tlock(dev)); |
| 5061 | } |
| 5062 | spin_unlock_irq(mlx4_tlock(dev)); |
| 5063 | } |
| 5064 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 5065 | static void rem_slave_eqs(struct mlx4_dev *dev, int slave) |
| 5066 | { |
| 5067 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 5068 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 5069 | struct list_head *eq_list = |
| 5070 | &tracker->slave_list[slave].res_list[RES_EQ]; |
| 5071 | struct res_eq *eq; |
| 5072 | struct res_eq *tmp; |
| 5073 | int err; |
| 5074 | int state; |
| 5075 | LIST_HEAD(tlist); |
| 5076 | int eqn; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 5077 | |
| 5078 | err = move_all_busy(dev, slave, RES_EQ); |
| 5079 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 5080 | mlx4_warn(dev, "rem_slave_eqs: Could not move all eqs - too busy for slave %d\n", |
| 5081 | slave); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 5082 | |
| 5083 | spin_lock_irq(mlx4_tlock(dev)); |
| 5084 | list_for_each_entry_safe(eq, tmp, eq_list, com.list) { |
| 5085 | spin_unlock_irq(mlx4_tlock(dev)); |
| 5086 | if (eq->com.owner == slave) { |
| 5087 | eqn = eq->com.res_id; |
| 5088 | state = eq->com.from_state; |
| 5089 | while (state != 0) { |
| 5090 | switch (state) { |
| 5091 | case RES_EQ_RESERVED: |
| 5092 | spin_lock_irq(mlx4_tlock(dev)); |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 5093 | rb_erase(&eq->com.node, |
| 5094 | &tracker->res_tree[RES_EQ]); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 5095 | list_del(&eq->com.list); |
| 5096 | spin_unlock_irq(mlx4_tlock(dev)); |
| 5097 | kfree(eq); |
| 5098 | state = 0; |
| 5099 | break; |
| 5100 | |
| 5101 | case RES_EQ_HW: |
Yishai Hadas | 2d3c739 | 2015-05-05 17:07:12 +0300 | [diff] [blame] | 5102 | err = mlx4_cmd(dev, slave, eqn & 0x3ff, |
Jack Morgenstein | 30a5da5 | 2015-01-27 15:58:03 +0200 | [diff] [blame] | 5103 | 1, MLX4_CMD_HW2SW_EQ, |
| 5104 | MLX4_CMD_TIME_CLASS_A, |
| 5105 | MLX4_CMD_NATIVE); |
Jack Morgenstein | eb71d0d | 2012-05-15 10:35:04 +0000 | [diff] [blame] | 5106 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 5107 | mlx4_dbg(dev, "rem_slave_eqs: failed to move slave %d eqs %d to SW ownership\n", |
Yishai Hadas | 2d3c739 | 2015-05-05 17:07:12 +0300 | [diff] [blame] | 5108 | slave, eqn & 0x3ff); |
Jack Morgenstein | eb71d0d | 2012-05-15 10:35:04 +0000 | [diff] [blame] | 5109 | atomic_dec(&eq->mtt->ref_count); |
| 5110 | state = RES_EQ_RESERVED; |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 5111 | break; |
| 5112 | |
| 5113 | default: |
| 5114 | state = 0; |
| 5115 | } |
| 5116 | } |
| 5117 | } |
| 5118 | spin_lock_irq(mlx4_tlock(dev)); |
| 5119 | } |
| 5120 | spin_unlock_irq(mlx4_tlock(dev)); |
| 5121 | } |
| 5122 | |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 5123 | static void rem_slave_counters(struct mlx4_dev *dev, int slave) |
| 5124 | { |
| 5125 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 5126 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 5127 | struct list_head *counter_list = |
| 5128 | &tracker->slave_list[slave].res_list[RES_COUNTER]; |
| 5129 | struct res_counter *counter; |
| 5130 | struct res_counter *tmp; |
| 5131 | int err; |
Eran Ben Elisha | f5adbfe | 2015-11-12 19:35:29 +0200 | [diff] [blame] | 5132 | int *counters_arr = NULL; |
| 5133 | int i, j; |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 5134 | |
| 5135 | err = move_all_busy(dev, slave, RES_COUNTER); |
| 5136 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 5137 | mlx4_warn(dev, "rem_slave_counters: Could not move all counters - too busy for slave %d\n", |
| 5138 | slave); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 5139 | |
Eran Ben Elisha | f5adbfe | 2015-11-12 19:35:29 +0200 | [diff] [blame] | 5140 | counters_arr = kmalloc_array(dev->caps.max_counters, |
| 5141 | sizeof(*counters_arr), GFP_KERNEL); |
| 5142 | if (!counters_arr) |
| 5143 | return; |
| 5144 | |
| 5145 | do { |
| 5146 | i = 0; |
| 5147 | j = 0; |
| 5148 | spin_lock_irq(mlx4_tlock(dev)); |
| 5149 | list_for_each_entry_safe(counter, tmp, counter_list, com.list) { |
| 5150 | if (counter->com.owner == slave) { |
| 5151 | counters_arr[i++] = counter->com.res_id; |
| 5152 | rb_erase(&counter->com.node, |
| 5153 | &tracker->res_tree[RES_COUNTER]); |
| 5154 | list_del(&counter->com.list); |
| 5155 | kfree(counter); |
| 5156 | } |
| 5157 | } |
| 5158 | spin_unlock_irq(mlx4_tlock(dev)); |
| 5159 | |
| 5160 | while (j < i) { |
| 5161 | __mlx4_counter_free(dev, counters_arr[j++]); |
Jack Morgenstein | 146f3ef | 2013-11-03 10:03:25 +0200 | [diff] [blame] | 5162 | mlx4_release_resource(dev, slave, RES_COUNTER, 1, 0); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 5163 | } |
Eran Ben Elisha | f5adbfe | 2015-11-12 19:35:29 +0200 | [diff] [blame] | 5164 | } while (i); |
| 5165 | |
| 5166 | kfree(counters_arr); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 5167 | } |
| 5168 | |
| 5169 | static void rem_slave_xrcdns(struct mlx4_dev *dev, int slave) |
| 5170 | { |
| 5171 | struct mlx4_priv *priv = mlx4_priv(dev); |
| 5172 | struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; |
| 5173 | struct list_head *xrcdn_list = |
| 5174 | &tracker->slave_list[slave].res_list[RES_XRCD]; |
| 5175 | struct res_xrcdn *xrcd; |
| 5176 | struct res_xrcdn *tmp; |
| 5177 | int err; |
| 5178 | int xrcdn; |
| 5179 | |
| 5180 | err = move_all_busy(dev, slave, RES_XRCD); |
| 5181 | if (err) |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 5182 | mlx4_warn(dev, "rem_slave_xrcdns: Could not move all xrcdns - too busy for slave %d\n", |
| 5183 | slave); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 5184 | |
| 5185 | spin_lock_irq(mlx4_tlock(dev)); |
| 5186 | list_for_each_entry_safe(xrcd, tmp, xrcdn_list, com.list) { |
| 5187 | if (xrcd->com.owner == slave) { |
| 5188 | xrcdn = xrcd->com.res_id; |
Hadar Hen Zion | 4af1c04 | 2012-07-05 04:03:41 +0000 | [diff] [blame] | 5189 | rb_erase(&xrcd->com.node, &tracker->res_tree[RES_XRCD]); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 5190 | list_del(&xrcd->com.list); |
| 5191 | kfree(xrcd); |
| 5192 | __mlx4_xrcd_free(dev, xrcdn); |
| 5193 | } |
| 5194 | } |
| 5195 | spin_unlock_irq(mlx4_tlock(dev)); |
| 5196 | } |
| 5197 | |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 5198 | void mlx4_delete_all_resources_for_slave(struct mlx4_dev *dev, int slave) |
| 5199 | { |
| 5200 | struct mlx4_priv *priv = mlx4_priv(dev); |
Jack Morgenstein | 111c609 | 2014-05-27 09:26:38 +0300 | [diff] [blame] | 5201 | mlx4_reset_roce_gids(dev, slave); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 5202 | mutex_lock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); |
Jack Morgenstein | 4874080 | 2013-11-03 10:03:20 +0200 | [diff] [blame] | 5203 | rem_slave_vlans(dev, slave); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 5204 | rem_slave_macs(dev, slave); |
Hadar Hen Zion | 80cb002 | 2013-03-21 05:55:52 +0000 | [diff] [blame] | 5205 | rem_slave_fs_rule(dev, slave); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 5206 | rem_slave_qps(dev, slave); |
| 5207 | rem_slave_srqs(dev, slave); |
| 5208 | rem_slave_cqs(dev, slave); |
| 5209 | rem_slave_mrs(dev, slave); |
| 5210 | rem_slave_eqs(dev, slave); |
| 5211 | rem_slave_mtts(dev, slave); |
Jack Morgenstein | ba062d5 | 2012-05-15 10:35:03 +0000 | [diff] [blame] | 5212 | rem_slave_counters(dev, slave); |
| 5213 | rem_slave_xrcdns(dev, slave); |
Eli Cohen | c82e9aa | 2011-12-13 04:15:24 +0000 | [diff] [blame] | 5214 | mutex_unlock(&priv->mfunc.master.res_tracker.slave_list[slave].mutex); |
| 5215 | } |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 5216 | |
| 5217 | void mlx4_vf_immed_vlan_work_handler(struct work_struct *_work) |
| 5218 | { |
| 5219 | struct mlx4_vf_immed_vlan_work *work = |
| 5220 | container_of(_work, struct mlx4_vf_immed_vlan_work, work); |
| 5221 | struct mlx4_cmd_mailbox *mailbox; |
| 5222 | struct mlx4_update_qp_context *upd_context; |
| 5223 | struct mlx4_dev *dev = &work->priv->dev; |
| 5224 | struct mlx4_resource_tracker *tracker = |
| 5225 | &work->priv->mfunc.master.res_tracker; |
| 5226 | struct list_head *qp_list = |
| 5227 | &tracker->slave_list[work->slave].res_list[RES_QP]; |
| 5228 | struct res_qp *qp; |
| 5229 | struct res_qp *tmp; |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 5230 | u64 qp_path_mask_vlan_ctrl = |
| 5231 | ((1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_UNTAGGED) | |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 5232 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_1P) | |
| 5233 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_TX_BLOCK_TAGGED) | |
| 5234 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_UNTAGGED) | |
| 5235 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_1P) | |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 5236 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_RX_BLOCK_TAGGED)); |
| 5237 | |
| 5238 | u64 qp_path_mask = ((1ULL << MLX4_UPD_QP_PATH_MASK_VLAN_INDEX) | |
| 5239 | (1ULL << MLX4_UPD_QP_PATH_MASK_FVL) | |
| 5240 | (1ULL << MLX4_UPD_QP_PATH_MASK_CV) | |
| 5241 | (1ULL << MLX4_UPD_QP_PATH_MASK_ETH_HIDE_CQE_VLAN) | |
| 5242 | (1ULL << MLX4_UPD_QP_PATH_MASK_FEUP) | |
| 5243 | (1ULL << MLX4_UPD_QP_PATH_MASK_FVL_RX) | |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 5244 | (1ULL << MLX4_UPD_QP_PATH_MASK_SCHED_QUEUE)); |
| 5245 | |
| 5246 | int err; |
| 5247 | int port, errors = 0; |
| 5248 | u8 vlan_control; |
| 5249 | |
| 5250 | if (mlx4_is_slave(dev)) { |
| 5251 | mlx4_warn(dev, "Trying to update-qp in slave %d\n", |
| 5252 | work->slave); |
| 5253 | goto out; |
| 5254 | } |
| 5255 | |
| 5256 | mailbox = mlx4_alloc_cmd_mailbox(dev); |
| 5257 | if (IS_ERR(mailbox)) |
| 5258 | goto out; |
Rony Efraim | 0a6eac2 | 2013-06-27 19:05:22 +0300 | [diff] [blame] | 5259 | if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_LINK_DISABLE) /* block all */ |
| 5260 | vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
| 5261 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_PRIO_TAGGED | |
| 5262 | MLX4_VLAN_CTRL_ETH_TX_BLOCK_UNTAGGED | |
| 5263 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | |
| 5264 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED | |
| 5265 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; |
| 5266 | else if (!work->vlan_id) |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 5267 | vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
| 5268 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_TAGGED; |
| 5269 | else |
| 5270 | vlan_control = MLX4_VLAN_CTRL_ETH_TX_BLOCK_TAGGED | |
| 5271 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_PRIO_TAGGED | |
| 5272 | MLX4_VLAN_CTRL_ETH_RX_BLOCK_UNTAGGED; |
| 5273 | |
| 5274 | upd_context = mailbox->buf; |
Matan Barak | 311be98 | 2014-09-10 16:41:54 +0300 | [diff] [blame] | 5275 | upd_context->qp_mask = cpu_to_be64(1ULL << MLX4_UPD_QP_MASK_VSD); |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 5276 | |
| 5277 | spin_lock_irq(mlx4_tlock(dev)); |
| 5278 | list_for_each_entry_safe(qp, tmp, qp_list, com.list) { |
| 5279 | spin_unlock_irq(mlx4_tlock(dev)); |
| 5280 | if (qp->com.owner == work->slave) { |
| 5281 | if (qp->com.from_state != RES_QP_HW || |
| 5282 | !qp->sched_queue || /* no INIT2RTR trans yet */ |
| 5283 | mlx4_is_qp_reserved(dev, qp->local_qpn) || |
| 5284 | qp->qpc_flags & (1 << MLX4_RSS_QPC_FLAG_OFFSET)) { |
| 5285 | spin_lock_irq(mlx4_tlock(dev)); |
| 5286 | continue; |
| 5287 | } |
| 5288 | port = (qp->sched_queue >> 6 & 1) + 1; |
| 5289 | if (port != work->port) { |
| 5290 | spin_lock_irq(mlx4_tlock(dev)); |
| 5291 | continue; |
| 5292 | } |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 5293 | if (MLX4_QP_ST_RC == ((qp->qpc_flags >> 16) & 0xff)) |
| 5294 | upd_context->primary_addr_path_mask = cpu_to_be64(qp_path_mask); |
| 5295 | else |
| 5296 | upd_context->primary_addr_path_mask = |
| 5297 | cpu_to_be64(qp_path_mask | qp_path_mask_vlan_ctrl); |
| 5298 | if (work->vlan_id == MLX4_VGT) { |
| 5299 | upd_context->qp_context.param3 = qp->param3; |
| 5300 | upd_context->qp_context.pri_path.vlan_control = qp->vlan_control; |
| 5301 | upd_context->qp_context.pri_path.fvl_rx = qp->fvl_rx; |
| 5302 | upd_context->qp_context.pri_path.vlan_index = qp->vlan_index; |
| 5303 | upd_context->qp_context.pri_path.fl = qp->pri_path_fl; |
| 5304 | upd_context->qp_context.pri_path.feup = qp->feup; |
| 5305 | upd_context->qp_context.pri_path.sched_queue = |
| 5306 | qp->sched_queue; |
| 5307 | } else { |
| 5308 | upd_context->qp_context.param3 = qp->param3 & ~cpu_to_be32(MLX4_STRIP_VLAN); |
| 5309 | upd_context->qp_context.pri_path.vlan_control = vlan_control; |
| 5310 | upd_context->qp_context.pri_path.vlan_index = work->vlan_ix; |
| 5311 | upd_context->qp_context.pri_path.fvl_rx = |
| 5312 | qp->fvl_rx | MLX4_FVL_RX_FORCE_ETH_VLAN; |
| 5313 | upd_context->qp_context.pri_path.fl = |
| 5314 | qp->pri_path_fl | MLX4_FL_CV | MLX4_FL_ETH_HIDE_CQE_VLAN; |
| 5315 | upd_context->qp_context.pri_path.feup = |
| 5316 | qp->feup | MLX4_FEUP_FORCE_ETH_UP | MLX4_FVL_FORCE_ETH_VLAN; |
| 5317 | upd_context->qp_context.pri_path.sched_queue = |
| 5318 | qp->sched_queue & 0xC7; |
| 5319 | upd_context->qp_context.pri_path.sched_queue |= |
| 5320 | ((work->qos & 0x7) << 3); |
Ido Shamay | 08068cd | 2015-04-02 16:31:15 +0300 | [diff] [blame] | 5321 | upd_context->qp_mask |= |
| 5322 | cpu_to_be64(1ULL << |
| 5323 | MLX4_UPD_QP_MASK_QOS_VPP); |
| 5324 | upd_context->qp_context.qos_vport = |
| 5325 | work->qos_vport; |
Rony Efraim | f0f829b | 2013-11-07 12:19:51 +0200 | [diff] [blame] | 5326 | } |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 5327 | |
| 5328 | err = mlx4_cmd(dev, mailbox->dma, |
| 5329 | qp->local_qpn & 0xffffff, |
| 5330 | 0, MLX4_CMD_UPDATE_QP, |
| 5331 | MLX4_CMD_TIME_CLASS_C, MLX4_CMD_NATIVE); |
| 5332 | if (err) { |
Joe Perches | 1a91de2 | 2014-05-07 12:52:57 -0700 | [diff] [blame] | 5333 | mlx4_info(dev, "UPDATE_QP failed for slave %d, port %d, qpn %d (%d)\n", |
| 5334 | work->slave, port, qp->local_qpn, err); |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 5335 | errors++; |
| 5336 | } |
| 5337 | } |
| 5338 | spin_lock_irq(mlx4_tlock(dev)); |
| 5339 | } |
| 5340 | spin_unlock_irq(mlx4_tlock(dev)); |
| 5341 | mlx4_free_cmd_mailbox(dev, mailbox); |
| 5342 | |
| 5343 | if (errors) |
| 5344 | mlx4_err(dev, "%d UPDATE_QP failures for slave %d, port %d\n", |
| 5345 | errors, work->slave, work->port); |
| 5346 | |
| 5347 | /* unregister previous vlan_id if needed and we had no errors |
| 5348 | * while updating the QPs |
| 5349 | */ |
| 5350 | if (work->flags & MLX4_VF_IMMED_VLAN_FLAG_VLAN && !errors && |
| 5351 | NO_INDX != work->orig_vlan_ix) |
| 5352 | __mlx4_unregister_vlan(&work->priv->dev, work->port, |
Jack Morgenstein | 2009d00 | 2013-11-03 10:03:19 +0200 | [diff] [blame] | 5353 | work->orig_vlan_id); |
Jack Morgenstein | b01978c | 2013-06-27 19:05:21 +0300 | [diff] [blame] | 5354 | out: |
| 5355 | kfree(work); |
| 5356 | return; |
| 5357 | } |