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e126ba97 | 1 | /* |
6cf0a15f | 2 | * Copyright (c) 2013-2015, Mellanox Technologies. All rights reserved. |
e126ba97 EC |
3 | * |
4 | * This software is available to you under a choice of one of two | |
5 | * licenses. You may choose to be licensed under the terms of the GNU | |
6 | * General Public License (GPL) Version 2, available from the file | |
7 | * COPYING in the main directory of this source tree, or the | |
8 | * OpenIB.org BSD license below: | |
9 | * | |
10 | * Redistribution and use in source and binary forms, with or | |
11 | * without modification, are permitted provided that the following | |
12 | * conditions are met: | |
13 | * | |
14 | * - Redistributions of source code must retain the above | |
15 | * copyright notice, this list of conditions and the following | |
16 | * disclaimer. | |
17 | * | |
18 | * - Redistributions in binary form must reproduce the above | |
19 | * copyright notice, this list of conditions and the following | |
20 | * disclaimer in the documentation and/or other materials | |
21 | * provided with the distribution. | |
22 | * | |
23 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
24 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
25 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
26 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
27 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
28 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
29 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
30 | * SOFTWARE. | |
31 | */ | |
32 | ||
fe248c3a | 33 | #include <linux/debugfs.h> |
adec640e | 34 | #include <linux/highmem.h> |
e126ba97 EC |
35 | #include <linux/module.h> |
36 | #include <linux/init.h> | |
37 | #include <linux/errno.h> | |
38 | #include <linux/pci.h> | |
39 | #include <linux/dma-mapping.h> | |
40 | #include <linux/slab.h> | |
37aa5c36 GL |
41 | #if defined(CONFIG_X86) |
42 | #include <asm/pat.h> | |
43 | #endif | |
e126ba97 | 44 | #include <linux/sched.h> |
6e84f315 | 45 | #include <linux/sched/mm.h> |
0881e7bd | 46 | #include <linux/sched/task.h> |
7c2344c3 | 47 | #include <linux/delay.h> |
e126ba97 | 48 | #include <rdma/ib_user_verbs.h> |
3f89a643 | 49 | #include <rdma/ib_addr.h> |
2811ba51 | 50 | #include <rdma/ib_cache.h> |
ada68c31 | 51 | #include <linux/mlx5/port.h> |
1b5daf11 | 52 | #include <linux/mlx5/vport.h> |
72c7fe90 | 53 | #include <linux/mlx5/fs.h> |
7c2344c3 | 54 | #include <linux/list.h> |
e126ba97 EC |
55 | #include <rdma/ib_smi.h> |
56 | #include <rdma/ib_umem.h> | |
038d2ef8 MG |
57 | #include <linux/in.h> |
58 | #include <linux/etherdevice.h> | |
e126ba97 | 59 | #include "mlx5_ib.h" |
fc385b7a | 60 | #include "ib_rep.h" |
e1f24a79 | 61 | #include "cmd.h" |
3346c487 | 62 | #include <linux/mlx5/fs_helpers.h> |
e126ba97 EC |
63 | |
64 | #define DRIVER_NAME "mlx5_ib" | |
b359911d | 65 | #define DRIVER_VERSION "5.0-0" |
e126ba97 EC |
66 | |
67 | MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>"); | |
68 | MODULE_DESCRIPTION("Mellanox Connect-IB HCA IB driver"); | |
69 | MODULE_LICENSE("Dual BSD/GPL"); | |
e126ba97 | 70 | |
e126ba97 EC |
71 | static char mlx5_version[] = |
72 | DRIVER_NAME ": Mellanox Connect-IB Infiniband driver v" | |
b359911d | 73 | DRIVER_VERSION "\n"; |
e126ba97 | 74 | |
d69a24e0 DJ |
75 | struct mlx5_ib_event_work { |
76 | struct work_struct work; | |
77 | struct mlx5_core_dev *dev; | |
78 | void *context; | |
79 | enum mlx5_dev_event event; | |
80 | unsigned long param; | |
81 | }; | |
82 | ||
da7525d2 EBE |
83 | enum { |
84 | MLX5_ATOMIC_SIZE_QP_8BYTES = 1 << 3, | |
85 | }; | |
86 | ||
d69a24e0 | 87 | static struct workqueue_struct *mlx5_ib_event_wq; |
32f69e4b DJ |
88 | static LIST_HEAD(mlx5_ib_unaffiliated_port_list); |
89 | static LIST_HEAD(mlx5_ib_dev_list); | |
90 | /* | |
91 | * This mutex should be held when accessing either of the above lists | |
92 | */ | |
93 | static DEFINE_MUTEX(mlx5_ib_multiport_mutex); | |
94 | ||
95 | struct mlx5_ib_dev *mlx5_ib_get_ibdev_from_mpi(struct mlx5_ib_multiport_info *mpi) | |
96 | { | |
97 | struct mlx5_ib_dev *dev; | |
98 | ||
99 | mutex_lock(&mlx5_ib_multiport_mutex); | |
100 | dev = mpi->ibdev; | |
101 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
102 | return dev; | |
103 | } | |
104 | ||
1b5daf11 | 105 | static enum rdma_link_layer |
ebd61f68 | 106 | mlx5_port_type_cap_to_rdma_ll(int port_type_cap) |
1b5daf11 | 107 | { |
ebd61f68 | 108 | switch (port_type_cap) { |
1b5daf11 MD |
109 | case MLX5_CAP_PORT_TYPE_IB: |
110 | return IB_LINK_LAYER_INFINIBAND; | |
111 | case MLX5_CAP_PORT_TYPE_ETH: | |
112 | return IB_LINK_LAYER_ETHERNET; | |
113 | default: | |
114 | return IB_LINK_LAYER_UNSPECIFIED; | |
115 | } | |
116 | } | |
117 | ||
ebd61f68 AS |
118 | static enum rdma_link_layer |
119 | mlx5_ib_port_link_layer(struct ib_device *device, u8 port_num) | |
120 | { | |
121 | struct mlx5_ib_dev *dev = to_mdev(device); | |
122 | int port_type_cap = MLX5_CAP_GEN(dev->mdev, port_type); | |
123 | ||
124 | return mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
125 | } | |
126 | ||
fd65f1b8 MS |
127 | static int get_port_state(struct ib_device *ibdev, |
128 | u8 port_num, | |
129 | enum ib_port_state *state) | |
130 | { | |
131 | struct ib_port_attr attr; | |
132 | int ret; | |
133 | ||
134 | memset(&attr, 0, sizeof(attr)); | |
8e6efa3a | 135 | ret = ibdev->query_port(ibdev, port_num, &attr); |
fd65f1b8 MS |
136 | if (!ret) |
137 | *state = attr.state; | |
138 | return ret; | |
139 | } | |
140 | ||
fc24fc5e AS |
141 | static int mlx5_netdev_event(struct notifier_block *this, |
142 | unsigned long event, void *ptr) | |
143 | { | |
7fd8aefb | 144 | struct mlx5_roce *roce = container_of(this, struct mlx5_roce, nb); |
fc24fc5e | 145 | struct net_device *ndev = netdev_notifier_info_to_dev(ptr); |
7fd8aefb DJ |
146 | u8 port_num = roce->native_port_num; |
147 | struct mlx5_core_dev *mdev; | |
148 | struct mlx5_ib_dev *ibdev; | |
149 | ||
150 | ibdev = roce->dev; | |
32f69e4b DJ |
151 | mdev = mlx5_ib_get_native_port_mdev(ibdev, port_num, NULL); |
152 | if (!mdev) | |
153 | return NOTIFY_DONE; | |
fc24fc5e | 154 | |
5ec8c83e AH |
155 | switch (event) { |
156 | case NETDEV_REGISTER: | |
157 | case NETDEV_UNREGISTER: | |
7fd8aefb | 158 | write_lock(&roce->netdev_lock); |
bcf87f1d MB |
159 | if (ibdev->rep) { |
160 | struct mlx5_eswitch *esw = ibdev->mdev->priv.eswitch; | |
161 | struct net_device *rep_ndev; | |
162 | ||
163 | rep_ndev = mlx5_ib_get_rep_netdev(esw, | |
164 | ibdev->rep->vport); | |
165 | if (rep_ndev == ndev) | |
166 | roce->netdev = (event == NETDEV_UNREGISTER) ? | |
7fd8aefb | 167 | NULL : ndev; |
bcf87f1d MB |
168 | } else if (ndev->dev.parent == &ibdev->mdev->pdev->dev) { |
169 | roce->netdev = (event == NETDEV_UNREGISTER) ? | |
170 | NULL : ndev; | |
171 | } | |
7fd8aefb | 172 | write_unlock(&roce->netdev_lock); |
5ec8c83e | 173 | break; |
fc24fc5e | 174 | |
fd65f1b8 | 175 | case NETDEV_CHANGE: |
5ec8c83e | 176 | case NETDEV_UP: |
88621dfe | 177 | case NETDEV_DOWN: { |
7fd8aefb | 178 | struct net_device *lag_ndev = mlx5_lag_get_roce_netdev(mdev); |
88621dfe AH |
179 | struct net_device *upper = NULL; |
180 | ||
181 | if (lag_ndev) { | |
182 | upper = netdev_master_upper_dev_get(lag_ndev); | |
183 | dev_put(lag_ndev); | |
184 | } | |
185 | ||
7fd8aefb | 186 | if ((upper == ndev || (!upper && ndev == roce->netdev)) |
88621dfe | 187 | && ibdev->ib_active) { |
626bc02d | 188 | struct ib_event ibev = { }; |
fd65f1b8 | 189 | enum ib_port_state port_state; |
5ec8c83e | 190 | |
7fd8aefb DJ |
191 | if (get_port_state(&ibdev->ib_dev, port_num, |
192 | &port_state)) | |
193 | goto done; | |
fd65f1b8 | 194 | |
7fd8aefb DJ |
195 | if (roce->last_port_state == port_state) |
196 | goto done; | |
fd65f1b8 | 197 | |
7fd8aefb | 198 | roce->last_port_state = port_state; |
5ec8c83e | 199 | ibev.device = &ibdev->ib_dev; |
fd65f1b8 MS |
200 | if (port_state == IB_PORT_DOWN) |
201 | ibev.event = IB_EVENT_PORT_ERR; | |
202 | else if (port_state == IB_PORT_ACTIVE) | |
203 | ibev.event = IB_EVENT_PORT_ACTIVE; | |
204 | else | |
7fd8aefb | 205 | goto done; |
fd65f1b8 | 206 | |
7fd8aefb | 207 | ibev.element.port_num = port_num; |
5ec8c83e AH |
208 | ib_dispatch_event(&ibev); |
209 | } | |
210 | break; | |
88621dfe | 211 | } |
fc24fc5e | 212 | |
5ec8c83e AH |
213 | default: |
214 | break; | |
215 | } | |
7fd8aefb | 216 | done: |
32f69e4b | 217 | mlx5_ib_put_native_port_mdev(ibdev, port_num); |
fc24fc5e AS |
218 | return NOTIFY_DONE; |
219 | } | |
220 | ||
221 | static struct net_device *mlx5_ib_get_netdev(struct ib_device *device, | |
222 | u8 port_num) | |
223 | { | |
224 | struct mlx5_ib_dev *ibdev = to_mdev(device); | |
225 | struct net_device *ndev; | |
32f69e4b DJ |
226 | struct mlx5_core_dev *mdev; |
227 | ||
228 | mdev = mlx5_ib_get_native_port_mdev(ibdev, port_num, NULL); | |
229 | if (!mdev) | |
230 | return NULL; | |
fc24fc5e | 231 | |
32f69e4b | 232 | ndev = mlx5_lag_get_roce_netdev(mdev); |
88621dfe | 233 | if (ndev) |
32f69e4b | 234 | goto out; |
88621dfe | 235 | |
fc24fc5e AS |
236 | /* Ensure ndev does not disappear before we invoke dev_hold() |
237 | */ | |
7fd8aefb DJ |
238 | read_lock(&ibdev->roce[port_num - 1].netdev_lock); |
239 | ndev = ibdev->roce[port_num - 1].netdev; | |
fc24fc5e AS |
240 | if (ndev) |
241 | dev_hold(ndev); | |
7fd8aefb | 242 | read_unlock(&ibdev->roce[port_num - 1].netdev_lock); |
fc24fc5e | 243 | |
32f69e4b DJ |
244 | out: |
245 | mlx5_ib_put_native_port_mdev(ibdev, port_num); | |
fc24fc5e AS |
246 | return ndev; |
247 | } | |
248 | ||
32f69e4b DJ |
249 | struct mlx5_core_dev *mlx5_ib_get_native_port_mdev(struct mlx5_ib_dev *ibdev, |
250 | u8 ib_port_num, | |
251 | u8 *native_port_num) | |
252 | { | |
253 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(&ibdev->ib_dev, | |
254 | ib_port_num); | |
255 | struct mlx5_core_dev *mdev = NULL; | |
256 | struct mlx5_ib_multiport_info *mpi; | |
257 | struct mlx5_ib_port *port; | |
258 | ||
259 | if (native_port_num) | |
260 | *native_port_num = 1; | |
261 | ||
262 | if (!mlx5_core_mp_enabled(ibdev->mdev) || ll != IB_LINK_LAYER_ETHERNET) | |
263 | return ibdev->mdev; | |
264 | ||
265 | port = &ibdev->port[ib_port_num - 1]; | |
266 | if (!port) | |
267 | return NULL; | |
268 | ||
269 | spin_lock(&port->mp.mpi_lock); | |
270 | mpi = ibdev->port[ib_port_num - 1].mp.mpi; | |
271 | if (mpi && !mpi->unaffiliate) { | |
272 | mdev = mpi->mdev; | |
273 | /* If it's the master no need to refcount, it'll exist | |
274 | * as long as the ib_dev exists. | |
275 | */ | |
276 | if (!mpi->is_master) | |
277 | mpi->mdev_refcnt++; | |
278 | } | |
279 | spin_unlock(&port->mp.mpi_lock); | |
280 | ||
281 | return mdev; | |
282 | } | |
283 | ||
284 | void mlx5_ib_put_native_port_mdev(struct mlx5_ib_dev *ibdev, u8 port_num) | |
285 | { | |
286 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(&ibdev->ib_dev, | |
287 | port_num); | |
288 | struct mlx5_ib_multiport_info *mpi; | |
289 | struct mlx5_ib_port *port; | |
290 | ||
291 | if (!mlx5_core_mp_enabled(ibdev->mdev) || ll != IB_LINK_LAYER_ETHERNET) | |
292 | return; | |
293 | ||
294 | port = &ibdev->port[port_num - 1]; | |
295 | ||
296 | spin_lock(&port->mp.mpi_lock); | |
297 | mpi = ibdev->port[port_num - 1].mp.mpi; | |
298 | if (mpi->is_master) | |
299 | goto out; | |
300 | ||
301 | mpi->mdev_refcnt--; | |
302 | if (mpi->unaffiliate) | |
303 | complete(&mpi->unref_comp); | |
304 | out: | |
305 | spin_unlock(&port->mp.mpi_lock); | |
306 | } | |
307 | ||
f1b65df5 NO |
308 | static int translate_eth_proto_oper(u32 eth_proto_oper, u8 *active_speed, |
309 | u8 *active_width) | |
310 | { | |
311 | switch (eth_proto_oper) { | |
312 | case MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII): | |
313 | case MLX5E_PROT_MASK(MLX5E_1000BASE_KX): | |
314 | case MLX5E_PROT_MASK(MLX5E_100BASE_TX): | |
315 | case MLX5E_PROT_MASK(MLX5E_1000BASE_T): | |
316 | *active_width = IB_WIDTH_1X; | |
317 | *active_speed = IB_SPEED_SDR; | |
318 | break; | |
319 | case MLX5E_PROT_MASK(MLX5E_10GBASE_T): | |
320 | case MLX5E_PROT_MASK(MLX5E_10GBASE_CX4): | |
321 | case MLX5E_PROT_MASK(MLX5E_10GBASE_KX4): | |
322 | case MLX5E_PROT_MASK(MLX5E_10GBASE_KR): | |
323 | case MLX5E_PROT_MASK(MLX5E_10GBASE_CR): | |
324 | case MLX5E_PROT_MASK(MLX5E_10GBASE_SR): | |
325 | case MLX5E_PROT_MASK(MLX5E_10GBASE_ER): | |
326 | *active_width = IB_WIDTH_1X; | |
327 | *active_speed = IB_SPEED_QDR; | |
328 | break; | |
329 | case MLX5E_PROT_MASK(MLX5E_25GBASE_CR): | |
330 | case MLX5E_PROT_MASK(MLX5E_25GBASE_KR): | |
331 | case MLX5E_PROT_MASK(MLX5E_25GBASE_SR): | |
332 | *active_width = IB_WIDTH_1X; | |
333 | *active_speed = IB_SPEED_EDR; | |
334 | break; | |
335 | case MLX5E_PROT_MASK(MLX5E_40GBASE_CR4): | |
336 | case MLX5E_PROT_MASK(MLX5E_40GBASE_KR4): | |
337 | case MLX5E_PROT_MASK(MLX5E_40GBASE_SR4): | |
338 | case MLX5E_PROT_MASK(MLX5E_40GBASE_LR4): | |
339 | *active_width = IB_WIDTH_4X; | |
340 | *active_speed = IB_SPEED_QDR; | |
341 | break; | |
342 | case MLX5E_PROT_MASK(MLX5E_50GBASE_CR2): | |
343 | case MLX5E_PROT_MASK(MLX5E_50GBASE_KR2): | |
344 | case MLX5E_PROT_MASK(MLX5E_50GBASE_SR2): | |
345 | *active_width = IB_WIDTH_1X; | |
346 | *active_speed = IB_SPEED_HDR; | |
347 | break; | |
348 | case MLX5E_PROT_MASK(MLX5E_56GBASE_R4): | |
349 | *active_width = IB_WIDTH_4X; | |
350 | *active_speed = IB_SPEED_FDR; | |
351 | break; | |
352 | case MLX5E_PROT_MASK(MLX5E_100GBASE_CR4): | |
353 | case MLX5E_PROT_MASK(MLX5E_100GBASE_SR4): | |
354 | case MLX5E_PROT_MASK(MLX5E_100GBASE_KR4): | |
355 | case MLX5E_PROT_MASK(MLX5E_100GBASE_LR4): | |
356 | *active_width = IB_WIDTH_4X; | |
357 | *active_speed = IB_SPEED_EDR; | |
358 | break; | |
359 | default: | |
360 | return -EINVAL; | |
361 | } | |
362 | ||
363 | return 0; | |
364 | } | |
365 | ||
095b0927 IT |
366 | static int mlx5_query_port_roce(struct ib_device *device, u8 port_num, |
367 | struct ib_port_attr *props) | |
3f89a643 AS |
368 | { |
369 | struct mlx5_ib_dev *dev = to_mdev(device); | |
da005f9f | 370 | struct mlx5_core_dev *mdev; |
88621dfe | 371 | struct net_device *ndev, *upper; |
3f89a643 | 372 | enum ib_mtu ndev_ib_mtu; |
b3cbd6f0 | 373 | bool put_mdev = true; |
c876a1b7 | 374 | u16 qkey_viol_cntr; |
f1b65df5 | 375 | u32 eth_prot_oper; |
b3cbd6f0 | 376 | u8 mdev_port_num; |
095b0927 | 377 | int err; |
3f89a643 | 378 | |
b3cbd6f0 DJ |
379 | mdev = mlx5_ib_get_native_port_mdev(dev, port_num, &mdev_port_num); |
380 | if (!mdev) { | |
381 | /* This means the port isn't affiliated yet. Get the | |
382 | * info for the master port instead. | |
383 | */ | |
384 | put_mdev = false; | |
385 | mdev = dev->mdev; | |
386 | mdev_port_num = 1; | |
387 | port_num = 1; | |
388 | } | |
389 | ||
f1b65df5 NO |
390 | /* Possible bad flows are checked before filling out props so in case |
391 | * of an error it will still be zeroed out. | |
50f22fd8 | 392 | */ |
b3cbd6f0 DJ |
393 | err = mlx5_query_port_eth_proto_oper(mdev, ð_prot_oper, |
394 | mdev_port_num); | |
095b0927 | 395 | if (err) |
b3cbd6f0 | 396 | goto out; |
f1b65df5 NO |
397 | |
398 | translate_eth_proto_oper(eth_prot_oper, &props->active_speed, | |
399 | &props->active_width); | |
3f89a643 AS |
400 | |
401 | props->port_cap_flags |= IB_PORT_CM_SUP; | |
402 | props->port_cap_flags |= IB_PORT_IP_BASED_GIDS; | |
403 | ||
404 | props->gid_tbl_len = MLX5_CAP_ROCE(dev->mdev, | |
405 | roce_address_table_size); | |
406 | props->max_mtu = IB_MTU_4096; | |
407 | props->max_msg_sz = 1 << MLX5_CAP_GEN(dev->mdev, log_max_msg); | |
408 | props->pkey_tbl_len = 1; | |
409 | props->state = IB_PORT_DOWN; | |
410 | props->phys_state = 3; | |
411 | ||
b3cbd6f0 | 412 | mlx5_query_nic_vport_qkey_viol_cntr(mdev, &qkey_viol_cntr); |
c876a1b7 | 413 | props->qkey_viol_cntr = qkey_viol_cntr; |
3f89a643 | 414 | |
b3cbd6f0 DJ |
415 | /* If this is a stub query for an unaffiliated port stop here */ |
416 | if (!put_mdev) | |
417 | goto out; | |
418 | ||
3f89a643 AS |
419 | ndev = mlx5_ib_get_netdev(device, port_num); |
420 | if (!ndev) | |
b3cbd6f0 | 421 | goto out; |
3f89a643 | 422 | |
88621dfe AH |
423 | if (mlx5_lag_is_active(dev->mdev)) { |
424 | rcu_read_lock(); | |
425 | upper = netdev_master_upper_dev_get_rcu(ndev); | |
426 | if (upper) { | |
427 | dev_put(ndev); | |
428 | ndev = upper; | |
429 | dev_hold(ndev); | |
430 | } | |
431 | rcu_read_unlock(); | |
432 | } | |
433 | ||
3f89a643 AS |
434 | if (netif_running(ndev) && netif_carrier_ok(ndev)) { |
435 | props->state = IB_PORT_ACTIVE; | |
436 | props->phys_state = 5; | |
437 | } | |
438 | ||
439 | ndev_ib_mtu = iboe_get_mtu(ndev->mtu); | |
440 | ||
441 | dev_put(ndev); | |
442 | ||
443 | props->active_mtu = min(props->max_mtu, ndev_ib_mtu); | |
b3cbd6f0 DJ |
444 | out: |
445 | if (put_mdev) | |
446 | mlx5_ib_put_native_port_mdev(dev, port_num); | |
447 | return err; | |
3f89a643 AS |
448 | } |
449 | ||
095b0927 IT |
450 | static int set_roce_addr(struct mlx5_ib_dev *dev, u8 port_num, |
451 | unsigned int index, const union ib_gid *gid, | |
452 | const struct ib_gid_attr *attr) | |
3cca2606 | 453 | { |
095b0927 IT |
454 | enum ib_gid_type gid_type = IB_GID_TYPE_IB; |
455 | u8 roce_version = 0; | |
456 | u8 roce_l3_type = 0; | |
457 | bool vlan = false; | |
458 | u8 mac[ETH_ALEN]; | |
459 | u16 vlan_id = 0; | |
460 | ||
461 | if (gid) { | |
462 | gid_type = attr->gid_type; | |
463 | ether_addr_copy(mac, attr->ndev->dev_addr); | |
464 | ||
465 | if (is_vlan_dev(attr->ndev)) { | |
466 | vlan = true; | |
467 | vlan_id = vlan_dev_vlan_id(attr->ndev); | |
468 | } | |
3cca2606 AS |
469 | } |
470 | ||
095b0927 | 471 | switch (gid_type) { |
3cca2606 | 472 | case IB_GID_TYPE_IB: |
095b0927 | 473 | roce_version = MLX5_ROCE_VERSION_1; |
3cca2606 AS |
474 | break; |
475 | case IB_GID_TYPE_ROCE_UDP_ENCAP: | |
095b0927 IT |
476 | roce_version = MLX5_ROCE_VERSION_2; |
477 | if (ipv6_addr_v4mapped((void *)gid)) | |
478 | roce_l3_type = MLX5_ROCE_L3_TYPE_IPV4; | |
479 | else | |
480 | roce_l3_type = MLX5_ROCE_L3_TYPE_IPV6; | |
3cca2606 AS |
481 | break; |
482 | ||
483 | default: | |
095b0927 | 484 | mlx5_ib_warn(dev, "Unexpected GID type %u\n", gid_type); |
3cca2606 AS |
485 | } |
486 | ||
095b0927 IT |
487 | return mlx5_core_roce_gid_set(dev->mdev, index, roce_version, |
488 | roce_l3_type, gid->raw, mac, vlan, | |
cfe4e37f | 489 | vlan_id, port_num); |
3cca2606 AS |
490 | } |
491 | ||
492 | static int mlx5_ib_add_gid(struct ib_device *device, u8 port_num, | |
493 | unsigned int index, const union ib_gid *gid, | |
494 | const struct ib_gid_attr *attr, | |
495 | __always_unused void **context) | |
496 | { | |
095b0927 | 497 | return set_roce_addr(to_mdev(device), port_num, index, gid, attr); |
3cca2606 AS |
498 | } |
499 | ||
500 | static int mlx5_ib_del_gid(struct ib_device *device, u8 port_num, | |
501 | unsigned int index, __always_unused void **context) | |
502 | { | |
095b0927 | 503 | return set_roce_addr(to_mdev(device), port_num, index, NULL, NULL); |
3cca2606 AS |
504 | } |
505 | ||
2811ba51 AS |
506 | __be16 mlx5_get_roce_udp_sport(struct mlx5_ib_dev *dev, u8 port_num, |
507 | int index) | |
508 | { | |
509 | struct ib_gid_attr attr; | |
510 | union ib_gid gid; | |
511 | ||
512 | if (ib_get_cached_gid(&dev->ib_dev, port_num, index, &gid, &attr)) | |
513 | return 0; | |
514 | ||
515 | if (!attr.ndev) | |
516 | return 0; | |
517 | ||
518 | dev_put(attr.ndev); | |
519 | ||
520 | if (attr.gid_type != IB_GID_TYPE_ROCE_UDP_ENCAP) | |
521 | return 0; | |
522 | ||
523 | return cpu_to_be16(MLX5_CAP_ROCE(dev->mdev, r_roce_min_src_udp_port)); | |
524 | } | |
525 | ||
ed88451e MD |
526 | int mlx5_get_roce_gid_type(struct mlx5_ib_dev *dev, u8 port_num, |
527 | int index, enum ib_gid_type *gid_type) | |
528 | { | |
529 | struct ib_gid_attr attr; | |
530 | union ib_gid gid; | |
531 | int ret; | |
532 | ||
533 | ret = ib_get_cached_gid(&dev->ib_dev, port_num, index, &gid, &attr); | |
534 | if (ret) | |
535 | return ret; | |
536 | ||
537 | if (!attr.ndev) | |
538 | return -ENODEV; | |
539 | ||
540 | dev_put(attr.ndev); | |
541 | ||
542 | *gid_type = attr.gid_type; | |
543 | ||
544 | return 0; | |
545 | } | |
546 | ||
1b5daf11 MD |
547 | static int mlx5_use_mad_ifc(struct mlx5_ib_dev *dev) |
548 | { | |
7fae6655 NO |
549 | if (MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_IB) |
550 | return !MLX5_CAP_GEN(dev->mdev, ib_virt); | |
551 | return 0; | |
1b5daf11 MD |
552 | } |
553 | ||
554 | enum { | |
555 | MLX5_VPORT_ACCESS_METHOD_MAD, | |
556 | MLX5_VPORT_ACCESS_METHOD_HCA, | |
557 | MLX5_VPORT_ACCESS_METHOD_NIC, | |
558 | }; | |
559 | ||
560 | static int mlx5_get_vport_access_method(struct ib_device *ibdev) | |
561 | { | |
562 | if (mlx5_use_mad_ifc(to_mdev(ibdev))) | |
563 | return MLX5_VPORT_ACCESS_METHOD_MAD; | |
564 | ||
ebd61f68 | 565 | if (mlx5_ib_port_link_layer(ibdev, 1) == |
1b5daf11 MD |
566 | IB_LINK_LAYER_ETHERNET) |
567 | return MLX5_VPORT_ACCESS_METHOD_NIC; | |
568 | ||
569 | return MLX5_VPORT_ACCESS_METHOD_HCA; | |
570 | } | |
571 | ||
da7525d2 | 572 | static void get_atomic_caps(struct mlx5_ib_dev *dev, |
776a3906 | 573 | u8 atomic_size_qp, |
da7525d2 EBE |
574 | struct ib_device_attr *props) |
575 | { | |
576 | u8 tmp; | |
577 | u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); | |
da7525d2 | 578 | u8 atomic_req_8B_endianness_mode = |
bd10838a | 579 | MLX5_CAP_ATOMIC(dev->mdev, atomic_req_8B_endianness_mode); |
da7525d2 EBE |
580 | |
581 | /* Check if HW supports 8 bytes standard atomic operations and capable | |
582 | * of host endianness respond | |
583 | */ | |
584 | tmp = MLX5_ATOMIC_OPS_CMP_SWAP | MLX5_ATOMIC_OPS_FETCH_ADD; | |
585 | if (((atomic_operations & tmp) == tmp) && | |
586 | (atomic_size_qp & MLX5_ATOMIC_SIZE_QP_8BYTES) && | |
587 | (atomic_req_8B_endianness_mode)) { | |
588 | props->atomic_cap = IB_ATOMIC_HCA; | |
589 | } else { | |
590 | props->atomic_cap = IB_ATOMIC_NONE; | |
591 | } | |
592 | } | |
593 | ||
776a3906 MS |
594 | static void get_atomic_caps_qp(struct mlx5_ib_dev *dev, |
595 | struct ib_device_attr *props) | |
596 | { | |
597 | u8 atomic_size_qp = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); | |
598 | ||
599 | get_atomic_caps(dev, atomic_size_qp, props); | |
600 | } | |
601 | ||
602 | static void get_atomic_caps_dc(struct mlx5_ib_dev *dev, | |
603 | struct ib_device_attr *props) | |
604 | { | |
605 | u8 atomic_size_qp = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_dc); | |
606 | ||
607 | get_atomic_caps(dev, atomic_size_qp, props); | |
608 | } | |
609 | ||
610 | bool mlx5_ib_dc_atomic_is_supported(struct mlx5_ib_dev *dev) | |
611 | { | |
612 | struct ib_device_attr props = {}; | |
613 | ||
614 | get_atomic_caps_dc(dev, &props); | |
615 | return (props.atomic_cap == IB_ATOMIC_HCA) ? true : false; | |
616 | } | |
1b5daf11 MD |
617 | static int mlx5_query_system_image_guid(struct ib_device *ibdev, |
618 | __be64 *sys_image_guid) | |
619 | { | |
620 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
621 | struct mlx5_core_dev *mdev = dev->mdev; | |
622 | u64 tmp; | |
623 | int err; | |
624 | ||
625 | switch (mlx5_get_vport_access_method(ibdev)) { | |
626 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
627 | return mlx5_query_mad_ifc_system_image_guid(ibdev, | |
628 | sys_image_guid); | |
629 | ||
630 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
631 | err = mlx5_query_hca_vport_system_image_guid(mdev, &tmp); | |
3f89a643 AS |
632 | break; |
633 | ||
634 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
635 | err = mlx5_query_nic_vport_system_image_guid(mdev, &tmp); | |
636 | break; | |
1b5daf11 MD |
637 | |
638 | default: | |
639 | return -EINVAL; | |
640 | } | |
3f89a643 AS |
641 | |
642 | if (!err) | |
643 | *sys_image_guid = cpu_to_be64(tmp); | |
644 | ||
645 | return err; | |
646 | ||
1b5daf11 MD |
647 | } |
648 | ||
649 | static int mlx5_query_max_pkeys(struct ib_device *ibdev, | |
650 | u16 *max_pkeys) | |
651 | { | |
652 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
653 | struct mlx5_core_dev *mdev = dev->mdev; | |
654 | ||
655 | switch (mlx5_get_vport_access_method(ibdev)) { | |
656 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
657 | return mlx5_query_mad_ifc_max_pkeys(ibdev, max_pkeys); | |
658 | ||
659 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
660 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
661 | *max_pkeys = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, | |
662 | pkey_table_size)); | |
663 | return 0; | |
664 | ||
665 | default: | |
666 | return -EINVAL; | |
667 | } | |
668 | } | |
669 | ||
670 | static int mlx5_query_vendor_id(struct ib_device *ibdev, | |
671 | u32 *vendor_id) | |
672 | { | |
673 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
674 | ||
675 | switch (mlx5_get_vport_access_method(ibdev)) { | |
676 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
677 | return mlx5_query_mad_ifc_vendor_id(ibdev, vendor_id); | |
678 | ||
679 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
680 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
681 | return mlx5_core_query_vendor_id(dev->mdev, vendor_id); | |
682 | ||
683 | default: | |
684 | return -EINVAL; | |
685 | } | |
686 | } | |
687 | ||
688 | static int mlx5_query_node_guid(struct mlx5_ib_dev *dev, | |
689 | __be64 *node_guid) | |
690 | { | |
691 | u64 tmp; | |
692 | int err; | |
693 | ||
694 | switch (mlx5_get_vport_access_method(&dev->ib_dev)) { | |
695 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
696 | return mlx5_query_mad_ifc_node_guid(dev, node_guid); | |
697 | ||
698 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
699 | err = mlx5_query_hca_vport_node_guid(dev->mdev, &tmp); | |
3f89a643 AS |
700 | break; |
701 | ||
702 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
703 | err = mlx5_query_nic_vport_node_guid(dev->mdev, &tmp); | |
704 | break; | |
1b5daf11 MD |
705 | |
706 | default: | |
707 | return -EINVAL; | |
708 | } | |
3f89a643 AS |
709 | |
710 | if (!err) | |
711 | *node_guid = cpu_to_be64(tmp); | |
712 | ||
713 | return err; | |
1b5daf11 MD |
714 | } |
715 | ||
716 | struct mlx5_reg_node_desc { | |
bd99fdea | 717 | u8 desc[IB_DEVICE_NODE_DESC_MAX]; |
1b5daf11 MD |
718 | }; |
719 | ||
720 | static int mlx5_query_node_desc(struct mlx5_ib_dev *dev, char *node_desc) | |
721 | { | |
722 | struct mlx5_reg_node_desc in; | |
723 | ||
724 | if (mlx5_use_mad_ifc(dev)) | |
725 | return mlx5_query_mad_ifc_node_desc(dev, node_desc); | |
726 | ||
727 | memset(&in, 0, sizeof(in)); | |
728 | ||
729 | return mlx5_core_access_reg(dev->mdev, &in, sizeof(in), node_desc, | |
730 | sizeof(struct mlx5_reg_node_desc), | |
731 | MLX5_REG_NODE_DESC, 0, 0); | |
732 | } | |
733 | ||
e126ba97 | 734 | static int mlx5_ib_query_device(struct ib_device *ibdev, |
2528e33e MB |
735 | struct ib_device_attr *props, |
736 | struct ib_udata *uhw) | |
e126ba97 EC |
737 | { |
738 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
938fe83c | 739 | struct mlx5_core_dev *mdev = dev->mdev; |
e126ba97 | 740 | int err = -ENOMEM; |
288c01b7 | 741 | int max_sq_desc; |
e126ba97 EC |
742 | int max_rq_sg; |
743 | int max_sq_sg; | |
e0238a6a | 744 | u64 min_page_size = 1ull << MLX5_CAP_GEN(mdev, log_pg_sz); |
85c7c014 | 745 | bool raw_support = !mlx5_core_mp_enabled(mdev); |
402ca536 BW |
746 | struct mlx5_ib_query_device_resp resp = {}; |
747 | size_t resp_len; | |
748 | u64 max_tso; | |
e126ba97 | 749 | |
402ca536 BW |
750 | resp_len = sizeof(resp.comp_mask) + sizeof(resp.response_length); |
751 | if (uhw->outlen && uhw->outlen < resp_len) | |
752 | return -EINVAL; | |
753 | else | |
754 | resp.response_length = resp_len; | |
755 | ||
756 | if (uhw->inlen && !ib_is_udata_cleared(uhw, 0, uhw->inlen)) | |
2528e33e MB |
757 | return -EINVAL; |
758 | ||
1b5daf11 MD |
759 | memset(props, 0, sizeof(*props)); |
760 | err = mlx5_query_system_image_guid(ibdev, | |
761 | &props->sys_image_guid); | |
762 | if (err) | |
763 | return err; | |
e126ba97 | 764 | |
1b5daf11 | 765 | err = mlx5_query_max_pkeys(ibdev, &props->max_pkeys); |
e126ba97 | 766 | if (err) |
1b5daf11 | 767 | return err; |
e126ba97 | 768 | |
1b5daf11 MD |
769 | err = mlx5_query_vendor_id(ibdev, &props->vendor_id); |
770 | if (err) | |
771 | return err; | |
e126ba97 | 772 | |
9603b61d JM |
773 | props->fw_ver = ((u64)fw_rev_maj(dev->mdev) << 32) | |
774 | (fw_rev_min(dev->mdev) << 16) | | |
775 | fw_rev_sub(dev->mdev); | |
e126ba97 EC |
776 | props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | |
777 | IB_DEVICE_PORT_ACTIVE_EVENT | | |
778 | IB_DEVICE_SYS_IMAGE_GUID | | |
1a4c3a3d | 779 | IB_DEVICE_RC_RNR_NAK_GEN; |
938fe83c SM |
780 | |
781 | if (MLX5_CAP_GEN(mdev, pkv)) | |
e126ba97 | 782 | props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; |
938fe83c | 783 | if (MLX5_CAP_GEN(mdev, qkv)) |
e126ba97 | 784 | props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; |
938fe83c | 785 | if (MLX5_CAP_GEN(mdev, apm)) |
e126ba97 | 786 | props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; |
938fe83c | 787 | if (MLX5_CAP_GEN(mdev, xrc)) |
e126ba97 | 788 | props->device_cap_flags |= IB_DEVICE_XRC; |
d2370e0a MB |
789 | if (MLX5_CAP_GEN(mdev, imaicl)) { |
790 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW | | |
791 | IB_DEVICE_MEM_WINDOW_TYPE_2B; | |
792 | props->max_mw = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); | |
b005d316 SG |
793 | /* We support 'Gappy' memory registration too */ |
794 | props->device_cap_flags |= IB_DEVICE_SG_GAPS_REG; | |
d2370e0a | 795 | } |
e126ba97 | 796 | props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; |
938fe83c | 797 | if (MLX5_CAP_GEN(mdev, sho)) { |
2dea9094 SG |
798 | props->device_cap_flags |= IB_DEVICE_SIGNATURE_HANDOVER; |
799 | /* At this stage no support for signature handover */ | |
800 | props->sig_prot_cap = IB_PROT_T10DIF_TYPE_1 | | |
801 | IB_PROT_T10DIF_TYPE_2 | | |
802 | IB_PROT_T10DIF_TYPE_3; | |
803 | props->sig_guard_cap = IB_GUARD_T10DIF_CRC | | |
804 | IB_GUARD_T10DIF_CSUM; | |
805 | } | |
938fe83c | 806 | if (MLX5_CAP_GEN(mdev, block_lb_mc)) |
f360d88a | 807 | props->device_cap_flags |= IB_DEVICE_BLOCK_MULTICAST_LOOPBACK; |
e126ba97 | 808 | |
85c7c014 | 809 | if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && raw_support) { |
e8161334 NO |
810 | if (MLX5_CAP_ETH(mdev, csum_cap)) { |
811 | /* Legacy bit to support old userspace libraries */ | |
88115fe7 | 812 | props->device_cap_flags |= IB_DEVICE_RAW_IP_CSUM; |
e8161334 NO |
813 | props->raw_packet_caps |= IB_RAW_PACKET_CAP_IP_CSUM; |
814 | } | |
815 | ||
816 | if (MLX5_CAP_ETH(dev->mdev, vlan_cap)) | |
817 | props->raw_packet_caps |= | |
818 | IB_RAW_PACKET_CAP_CVLAN_STRIPPING; | |
88115fe7 | 819 | |
402ca536 BW |
820 | if (field_avail(typeof(resp), tso_caps, uhw->outlen)) { |
821 | max_tso = MLX5_CAP_ETH(mdev, max_lso_cap); | |
822 | if (max_tso) { | |
823 | resp.tso_caps.max_tso = 1 << max_tso; | |
824 | resp.tso_caps.supported_qpts |= | |
825 | 1 << IB_QPT_RAW_PACKET; | |
826 | resp.response_length += sizeof(resp.tso_caps); | |
827 | } | |
828 | } | |
31f69a82 YH |
829 | |
830 | if (field_avail(typeof(resp), rss_caps, uhw->outlen)) { | |
831 | resp.rss_caps.rx_hash_function = | |
832 | MLX5_RX_HASH_FUNC_TOEPLITZ; | |
833 | resp.rss_caps.rx_hash_fields_mask = | |
834 | MLX5_RX_HASH_SRC_IPV4 | | |
835 | MLX5_RX_HASH_DST_IPV4 | | |
836 | MLX5_RX_HASH_SRC_IPV6 | | |
837 | MLX5_RX_HASH_DST_IPV6 | | |
838 | MLX5_RX_HASH_SRC_PORT_TCP | | |
839 | MLX5_RX_HASH_DST_PORT_TCP | | |
840 | MLX5_RX_HASH_SRC_PORT_UDP | | |
4e2b53a5 MG |
841 | MLX5_RX_HASH_DST_PORT_UDP | |
842 | MLX5_RX_HASH_INNER; | |
31f69a82 YH |
843 | resp.response_length += sizeof(resp.rss_caps); |
844 | } | |
845 | } else { | |
846 | if (field_avail(typeof(resp), tso_caps, uhw->outlen)) | |
847 | resp.response_length += sizeof(resp.tso_caps); | |
848 | if (field_avail(typeof(resp), rss_caps, uhw->outlen)) | |
849 | resp.response_length += sizeof(resp.rss_caps); | |
402ca536 BW |
850 | } |
851 | ||
f0313965 ES |
852 | if (MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { |
853 | props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; | |
854 | props->device_cap_flags |= IB_DEVICE_UD_TSO; | |
855 | } | |
856 | ||
03404e8a | 857 | if (MLX5_CAP_GEN(dev->mdev, rq_delay_drop) && |
85c7c014 DJ |
858 | MLX5_CAP_GEN(dev->mdev, general_notification_event) && |
859 | raw_support) | |
03404e8a MG |
860 | props->raw_packet_caps |= IB_RAW_PACKET_CAP_DELAY_DROP; |
861 | ||
1d54f890 YH |
862 | if (MLX5_CAP_GEN(mdev, ipoib_enhanced_offloads) && |
863 | MLX5_CAP_IPOIB_ENHANCED(mdev, csum_cap)) | |
864 | props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; | |
865 | ||
cff5a0f3 | 866 | if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && |
85c7c014 DJ |
867 | MLX5_CAP_ETH(dev->mdev, scatter_fcs) && |
868 | raw_support) { | |
e8161334 | 869 | /* Legacy bit to support old userspace libraries */ |
cff5a0f3 | 870 | props->device_cap_flags |= IB_DEVICE_RAW_SCATTER_FCS; |
e8161334 NO |
871 | props->raw_packet_caps |= IB_RAW_PACKET_CAP_SCATTER_FCS; |
872 | } | |
cff5a0f3 | 873 | |
da6d6ba3 MG |
874 | if (mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) |
875 | props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING; | |
876 | ||
b1383aa6 NO |
877 | if (MLX5_CAP_GEN(mdev, end_pad)) |
878 | props->device_cap_flags |= IB_DEVICE_PCI_WRITE_END_PADDING; | |
879 | ||
1b5daf11 MD |
880 | props->vendor_part_id = mdev->pdev->device; |
881 | props->hw_ver = mdev->pdev->revision; | |
e126ba97 EC |
882 | |
883 | props->max_mr_size = ~0ull; | |
e0238a6a | 884 | props->page_size_cap = ~(min_page_size - 1); |
938fe83c SM |
885 | props->max_qp = 1 << MLX5_CAP_GEN(mdev, log_max_qp); |
886 | props->max_qp_wr = 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); | |
887 | max_rq_sg = MLX5_CAP_GEN(mdev, max_wqe_sz_rq) / | |
888 | sizeof(struct mlx5_wqe_data_seg); | |
288c01b7 EC |
889 | max_sq_desc = min_t(int, MLX5_CAP_GEN(mdev, max_wqe_sz_sq), 512); |
890 | max_sq_sg = (max_sq_desc - sizeof(struct mlx5_wqe_ctrl_seg) - | |
891 | sizeof(struct mlx5_wqe_raddr_seg)) / | |
892 | sizeof(struct mlx5_wqe_data_seg); | |
e126ba97 | 893 | props->max_sge = min(max_rq_sg, max_sq_sg); |
986ef95e | 894 | props->max_sge_rd = MLX5_MAX_SGE_RD; |
938fe83c | 895 | props->max_cq = 1 << MLX5_CAP_GEN(mdev, log_max_cq); |
9f177686 | 896 | props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_cq_sz)) - 1; |
938fe83c SM |
897 | props->max_mr = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); |
898 | props->max_pd = 1 << MLX5_CAP_GEN(mdev, log_max_pd); | |
899 | props->max_qp_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_req_qp); | |
900 | props->max_qp_init_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_res_qp); | |
901 | props->max_srq = 1 << MLX5_CAP_GEN(mdev, log_max_srq); | |
902 | props->max_srq_wr = (1 << MLX5_CAP_GEN(mdev, log_max_srq_sz)) - 1; | |
903 | props->local_ca_ack_delay = MLX5_CAP_GEN(mdev, local_ca_ack_delay); | |
e126ba97 | 904 | props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; |
e126ba97 | 905 | props->max_srq_sge = max_rq_sg - 1; |
911f4331 SG |
906 | props->max_fast_reg_page_list_len = |
907 | 1 << MLX5_CAP_GEN(mdev, log_max_klm_list_size); | |
776a3906 | 908 | get_atomic_caps_qp(dev, props); |
81bea28f | 909 | props->masked_atomic_cap = IB_ATOMIC_NONE; |
938fe83c SM |
910 | props->max_mcast_grp = 1 << MLX5_CAP_GEN(mdev, log_max_mcg); |
911 | props->max_mcast_qp_attach = MLX5_CAP_GEN(mdev, max_qp_mcg); | |
e126ba97 EC |
912 | props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * |
913 | props->max_mcast_grp; | |
914 | props->max_map_per_fmr = INT_MAX; /* no limit in ConnectIB */ | |
86695a65 | 915 | props->max_ah = INT_MAX; |
7c60bcbb MB |
916 | props->hca_core_clock = MLX5_CAP_GEN(mdev, device_frequency_khz); |
917 | props->timestamp_mask = 0x7FFFFFFFFFFFFFFFULL; | |
e126ba97 | 918 | |
8cdd312c | 919 | #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING |
938fe83c | 920 | if (MLX5_CAP_GEN(mdev, pg)) |
8cdd312c HE |
921 | props->device_cap_flags |= IB_DEVICE_ON_DEMAND_PAGING; |
922 | props->odp_caps = dev->odp_caps; | |
923 | #endif | |
924 | ||
051f2630 LR |
925 | if (MLX5_CAP_GEN(mdev, cd)) |
926 | props->device_cap_flags |= IB_DEVICE_CROSS_CHANNEL; | |
927 | ||
eff901d3 EC |
928 | if (!mlx5_core_is_pf(mdev)) |
929 | props->device_cap_flags |= IB_DEVICE_VIRTUAL_FUNCTION; | |
930 | ||
31f69a82 | 931 | if (mlx5_ib_port_link_layer(ibdev, 1) == |
85c7c014 | 932 | IB_LINK_LAYER_ETHERNET && raw_support) { |
31f69a82 YH |
933 | props->rss_caps.max_rwq_indirection_tables = |
934 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt); | |
935 | props->rss_caps.max_rwq_indirection_table_size = | |
936 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt_size); | |
937 | props->rss_caps.supported_qpts = 1 << IB_QPT_RAW_PACKET; | |
938 | props->max_wq_type_rq = | |
939 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_rq); | |
940 | } | |
941 | ||
eb761894 | 942 | if (MLX5_CAP_GEN(mdev, tag_matching)) { |
78b1beb0 LR |
943 | props->tm_caps.max_rndv_hdr_size = MLX5_TM_MAX_RNDV_MSG_SIZE; |
944 | props->tm_caps.max_num_tags = | |
eb761894 | 945 | (1 << MLX5_CAP_GEN(mdev, log_tag_matching_list_sz)) - 1; |
78b1beb0 LR |
946 | props->tm_caps.flags = IB_TM_CAP_RC; |
947 | props->tm_caps.max_ops = | |
eb761894 | 948 | 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); |
78b1beb0 | 949 | props->tm_caps.max_sge = MLX5_TM_MAX_SGE; |
eb761894 AK |
950 | } |
951 | ||
87ab3f52 YC |
952 | if (MLX5_CAP_GEN(dev->mdev, cq_moderation)) { |
953 | props->cq_caps.max_cq_moderation_count = | |
954 | MLX5_MAX_CQ_COUNT; | |
955 | props->cq_caps.max_cq_moderation_period = | |
956 | MLX5_MAX_CQ_PERIOD; | |
957 | } | |
958 | ||
7e43a2a5 BW |
959 | if (field_avail(typeof(resp), cqe_comp_caps, uhw->outlen)) { |
960 | resp.cqe_comp_caps.max_num = | |
961 | MLX5_CAP_GEN(dev->mdev, cqe_compression) ? | |
962 | MLX5_CAP_GEN(dev->mdev, cqe_compression_max_num) : 0; | |
963 | resp.cqe_comp_caps.supported_format = | |
964 | MLX5_IB_CQE_RES_FORMAT_HASH | | |
965 | MLX5_IB_CQE_RES_FORMAT_CSUM; | |
966 | resp.response_length += sizeof(resp.cqe_comp_caps); | |
967 | } | |
968 | ||
85c7c014 DJ |
969 | if (field_avail(typeof(resp), packet_pacing_caps, uhw->outlen) && |
970 | raw_support) { | |
d949167d BW |
971 | if (MLX5_CAP_QOS(mdev, packet_pacing) && |
972 | MLX5_CAP_GEN(mdev, qos)) { | |
973 | resp.packet_pacing_caps.qp_rate_limit_max = | |
974 | MLX5_CAP_QOS(mdev, packet_pacing_max_rate); | |
975 | resp.packet_pacing_caps.qp_rate_limit_min = | |
976 | MLX5_CAP_QOS(mdev, packet_pacing_min_rate); | |
977 | resp.packet_pacing_caps.supported_qpts |= | |
978 | 1 << IB_QPT_RAW_PACKET; | |
979 | } | |
980 | resp.response_length += sizeof(resp.packet_pacing_caps); | |
981 | } | |
982 | ||
9f885201 LR |
983 | if (field_avail(typeof(resp), mlx5_ib_support_multi_pkt_send_wqes, |
984 | uhw->outlen)) { | |
795b609c BW |
985 | if (MLX5_CAP_ETH(mdev, multi_pkt_send_wqe)) |
986 | resp.mlx5_ib_support_multi_pkt_send_wqes = | |
987 | MLX5_IB_ALLOW_MPW; | |
050da902 BW |
988 | |
989 | if (MLX5_CAP_ETH(mdev, enhanced_multi_pkt_send_wqe)) | |
990 | resp.mlx5_ib_support_multi_pkt_send_wqes |= | |
991 | MLX5_IB_SUPPORT_EMPW; | |
992 | ||
9f885201 LR |
993 | resp.response_length += |
994 | sizeof(resp.mlx5_ib_support_multi_pkt_send_wqes); | |
995 | } | |
996 | ||
de57f2ad GL |
997 | if (field_avail(typeof(resp), flags, uhw->outlen)) { |
998 | resp.response_length += sizeof(resp.flags); | |
7a0c8f42 | 999 | |
de57f2ad GL |
1000 | if (MLX5_CAP_GEN(mdev, cqe_compression_128)) |
1001 | resp.flags |= | |
1002 | MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_COMP; | |
7a0c8f42 GL |
1003 | |
1004 | if (MLX5_CAP_GEN(mdev, cqe_128_always)) | |
1005 | resp.flags |= MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_PAD; | |
de57f2ad | 1006 | } |
9f885201 | 1007 | |
96dc3fc5 NO |
1008 | if (field_avail(typeof(resp), sw_parsing_caps, |
1009 | uhw->outlen)) { | |
1010 | resp.response_length += sizeof(resp.sw_parsing_caps); | |
1011 | if (MLX5_CAP_ETH(mdev, swp)) { | |
1012 | resp.sw_parsing_caps.sw_parsing_offloads |= | |
1013 | MLX5_IB_SW_PARSING; | |
1014 | ||
1015 | if (MLX5_CAP_ETH(mdev, swp_csum)) | |
1016 | resp.sw_parsing_caps.sw_parsing_offloads |= | |
1017 | MLX5_IB_SW_PARSING_CSUM; | |
1018 | ||
1019 | if (MLX5_CAP_ETH(mdev, swp_lso)) | |
1020 | resp.sw_parsing_caps.sw_parsing_offloads |= | |
1021 | MLX5_IB_SW_PARSING_LSO; | |
1022 | ||
1023 | if (resp.sw_parsing_caps.sw_parsing_offloads) | |
1024 | resp.sw_parsing_caps.supported_qpts = | |
1025 | BIT(IB_QPT_RAW_PACKET); | |
1026 | } | |
1027 | } | |
1028 | ||
85c7c014 DJ |
1029 | if (field_avail(typeof(resp), striding_rq_caps, uhw->outlen) && |
1030 | raw_support) { | |
b4f34597 NO |
1031 | resp.response_length += sizeof(resp.striding_rq_caps); |
1032 | if (MLX5_CAP_GEN(mdev, striding_rq)) { | |
1033 | resp.striding_rq_caps.min_single_stride_log_num_of_bytes = | |
1034 | MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES; | |
1035 | resp.striding_rq_caps.max_single_stride_log_num_of_bytes = | |
1036 | MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES; | |
1037 | resp.striding_rq_caps.min_single_wqe_log_num_of_strides = | |
1038 | MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES; | |
1039 | resp.striding_rq_caps.max_single_wqe_log_num_of_strides = | |
1040 | MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES; | |
1041 | resp.striding_rq_caps.supported_qpts = | |
1042 | BIT(IB_QPT_RAW_PACKET); | |
1043 | } | |
1044 | } | |
1045 | ||
f95ef6cb MG |
1046 | if (field_avail(typeof(resp), tunnel_offloads_caps, |
1047 | uhw->outlen)) { | |
1048 | resp.response_length += sizeof(resp.tunnel_offloads_caps); | |
1049 | if (MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan)) | |
1050 | resp.tunnel_offloads_caps |= | |
1051 | MLX5_IB_TUNNELED_OFFLOADS_VXLAN; | |
1052 | if (MLX5_CAP_ETH(mdev, tunnel_stateless_geneve_rx)) | |
1053 | resp.tunnel_offloads_caps |= | |
1054 | MLX5_IB_TUNNELED_OFFLOADS_GENEVE; | |
1055 | if (MLX5_CAP_ETH(mdev, tunnel_stateless_gre)) | |
1056 | resp.tunnel_offloads_caps |= | |
1057 | MLX5_IB_TUNNELED_OFFLOADS_GRE; | |
1058 | } | |
1059 | ||
402ca536 BW |
1060 | if (uhw->outlen) { |
1061 | err = ib_copy_to_udata(uhw, &resp, resp.response_length); | |
1062 | ||
1063 | if (err) | |
1064 | return err; | |
1065 | } | |
1066 | ||
1b5daf11 | 1067 | return 0; |
e126ba97 EC |
1068 | } |
1069 | ||
1b5daf11 MD |
1070 | enum mlx5_ib_width { |
1071 | MLX5_IB_WIDTH_1X = 1 << 0, | |
1072 | MLX5_IB_WIDTH_2X = 1 << 1, | |
1073 | MLX5_IB_WIDTH_4X = 1 << 2, | |
1074 | MLX5_IB_WIDTH_8X = 1 << 3, | |
1075 | MLX5_IB_WIDTH_12X = 1 << 4 | |
1076 | }; | |
1077 | ||
1078 | static int translate_active_width(struct ib_device *ibdev, u8 active_width, | |
1079 | u8 *ib_width) | |
e126ba97 EC |
1080 | { |
1081 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
1b5daf11 MD |
1082 | int err = 0; |
1083 | ||
1084 | if (active_width & MLX5_IB_WIDTH_1X) { | |
1085 | *ib_width = IB_WIDTH_1X; | |
1086 | } else if (active_width & MLX5_IB_WIDTH_2X) { | |
1087 | mlx5_ib_dbg(dev, "active_width %d is not supported by IB spec\n", | |
1088 | (int)active_width); | |
1089 | err = -EINVAL; | |
1090 | } else if (active_width & MLX5_IB_WIDTH_4X) { | |
1091 | *ib_width = IB_WIDTH_4X; | |
1092 | } else if (active_width & MLX5_IB_WIDTH_8X) { | |
1093 | *ib_width = IB_WIDTH_8X; | |
1094 | } else if (active_width & MLX5_IB_WIDTH_12X) { | |
1095 | *ib_width = IB_WIDTH_12X; | |
1096 | } else { | |
1097 | mlx5_ib_dbg(dev, "Invalid active_width %d\n", | |
1098 | (int)active_width); | |
1099 | err = -EINVAL; | |
e126ba97 EC |
1100 | } |
1101 | ||
1b5daf11 MD |
1102 | return err; |
1103 | } | |
e126ba97 | 1104 | |
1b5daf11 MD |
1105 | static int mlx5_mtu_to_ib_mtu(int mtu) |
1106 | { | |
1107 | switch (mtu) { | |
1108 | case 256: return 1; | |
1109 | case 512: return 2; | |
1110 | case 1024: return 3; | |
1111 | case 2048: return 4; | |
1112 | case 4096: return 5; | |
1113 | default: | |
1114 | pr_warn("invalid mtu\n"); | |
1115 | return -1; | |
e126ba97 | 1116 | } |
1b5daf11 | 1117 | } |
e126ba97 | 1118 | |
1b5daf11 MD |
1119 | enum ib_max_vl_num { |
1120 | __IB_MAX_VL_0 = 1, | |
1121 | __IB_MAX_VL_0_1 = 2, | |
1122 | __IB_MAX_VL_0_3 = 3, | |
1123 | __IB_MAX_VL_0_7 = 4, | |
1124 | __IB_MAX_VL_0_14 = 5, | |
1125 | }; | |
e126ba97 | 1126 | |
1b5daf11 MD |
1127 | enum mlx5_vl_hw_cap { |
1128 | MLX5_VL_HW_0 = 1, | |
1129 | MLX5_VL_HW_0_1 = 2, | |
1130 | MLX5_VL_HW_0_2 = 3, | |
1131 | MLX5_VL_HW_0_3 = 4, | |
1132 | MLX5_VL_HW_0_4 = 5, | |
1133 | MLX5_VL_HW_0_5 = 6, | |
1134 | MLX5_VL_HW_0_6 = 7, | |
1135 | MLX5_VL_HW_0_7 = 8, | |
1136 | MLX5_VL_HW_0_14 = 15 | |
1137 | }; | |
e126ba97 | 1138 | |
1b5daf11 MD |
1139 | static int translate_max_vl_num(struct ib_device *ibdev, u8 vl_hw_cap, |
1140 | u8 *max_vl_num) | |
1141 | { | |
1142 | switch (vl_hw_cap) { | |
1143 | case MLX5_VL_HW_0: | |
1144 | *max_vl_num = __IB_MAX_VL_0; | |
1145 | break; | |
1146 | case MLX5_VL_HW_0_1: | |
1147 | *max_vl_num = __IB_MAX_VL_0_1; | |
1148 | break; | |
1149 | case MLX5_VL_HW_0_3: | |
1150 | *max_vl_num = __IB_MAX_VL_0_3; | |
1151 | break; | |
1152 | case MLX5_VL_HW_0_7: | |
1153 | *max_vl_num = __IB_MAX_VL_0_7; | |
1154 | break; | |
1155 | case MLX5_VL_HW_0_14: | |
1156 | *max_vl_num = __IB_MAX_VL_0_14; | |
1157 | break; | |
e126ba97 | 1158 | |
1b5daf11 MD |
1159 | default: |
1160 | return -EINVAL; | |
e126ba97 | 1161 | } |
e126ba97 | 1162 | |
1b5daf11 | 1163 | return 0; |
e126ba97 EC |
1164 | } |
1165 | ||
1b5daf11 MD |
1166 | static int mlx5_query_hca_port(struct ib_device *ibdev, u8 port, |
1167 | struct ib_port_attr *props) | |
e126ba97 | 1168 | { |
1b5daf11 MD |
1169 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
1170 | struct mlx5_core_dev *mdev = dev->mdev; | |
1171 | struct mlx5_hca_vport_context *rep; | |
046339ea SM |
1172 | u16 max_mtu; |
1173 | u16 oper_mtu; | |
1b5daf11 MD |
1174 | int err; |
1175 | u8 ib_link_width_oper; | |
1176 | u8 vl_hw_cap; | |
e126ba97 | 1177 | |
1b5daf11 MD |
1178 | rep = kzalloc(sizeof(*rep), GFP_KERNEL); |
1179 | if (!rep) { | |
1180 | err = -ENOMEM; | |
e126ba97 | 1181 | goto out; |
e126ba97 | 1182 | } |
e126ba97 | 1183 | |
c4550c63 | 1184 | /* props being zeroed by the caller, avoid zeroing it here */ |
e126ba97 | 1185 | |
1b5daf11 | 1186 | err = mlx5_query_hca_vport_context(mdev, 0, port, 0, rep); |
e126ba97 EC |
1187 | if (err) |
1188 | goto out; | |
1189 | ||
1b5daf11 MD |
1190 | props->lid = rep->lid; |
1191 | props->lmc = rep->lmc; | |
1192 | props->sm_lid = rep->sm_lid; | |
1193 | props->sm_sl = rep->sm_sl; | |
1194 | props->state = rep->vport_state; | |
1195 | props->phys_state = rep->port_physical_state; | |
1196 | props->port_cap_flags = rep->cap_mask1; | |
1197 | props->gid_tbl_len = mlx5_get_gid_table_len(MLX5_CAP_GEN(mdev, gid_table_size)); | |
1198 | props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg); | |
1199 | props->pkey_tbl_len = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, pkey_table_size)); | |
1200 | props->bad_pkey_cntr = rep->pkey_violation_counter; | |
1201 | props->qkey_viol_cntr = rep->qkey_violation_counter; | |
1202 | props->subnet_timeout = rep->subnet_timeout; | |
1203 | props->init_type_reply = rep->init_type_reply; | |
eff901d3 | 1204 | props->grh_required = rep->grh_required; |
e126ba97 | 1205 | |
1b5daf11 MD |
1206 | err = mlx5_query_port_link_width_oper(mdev, &ib_link_width_oper, port); |
1207 | if (err) | |
e126ba97 | 1208 | goto out; |
e126ba97 | 1209 | |
1b5daf11 MD |
1210 | err = translate_active_width(ibdev, ib_link_width_oper, |
1211 | &props->active_width); | |
1212 | if (err) | |
1213 | goto out; | |
d5beb7f2 | 1214 | err = mlx5_query_port_ib_proto_oper(mdev, &props->active_speed, port); |
e126ba97 EC |
1215 | if (err) |
1216 | goto out; | |
1217 | ||
facc9699 | 1218 | mlx5_query_port_max_mtu(mdev, &max_mtu, port); |
e126ba97 | 1219 | |
1b5daf11 | 1220 | props->max_mtu = mlx5_mtu_to_ib_mtu(max_mtu); |
e126ba97 | 1221 | |
facc9699 | 1222 | mlx5_query_port_oper_mtu(mdev, &oper_mtu, port); |
e126ba97 | 1223 | |
1b5daf11 | 1224 | props->active_mtu = mlx5_mtu_to_ib_mtu(oper_mtu); |
e126ba97 | 1225 | |
1b5daf11 MD |
1226 | err = mlx5_query_port_vl_hw_cap(mdev, &vl_hw_cap, port); |
1227 | if (err) | |
1228 | goto out; | |
e126ba97 | 1229 | |
1b5daf11 MD |
1230 | err = translate_max_vl_num(ibdev, vl_hw_cap, |
1231 | &props->max_vl_num); | |
e126ba97 | 1232 | out: |
1b5daf11 | 1233 | kfree(rep); |
e126ba97 EC |
1234 | return err; |
1235 | } | |
1236 | ||
1b5daf11 MD |
1237 | int mlx5_ib_query_port(struct ib_device *ibdev, u8 port, |
1238 | struct ib_port_attr *props) | |
e126ba97 | 1239 | { |
095b0927 IT |
1240 | unsigned int count; |
1241 | int ret; | |
1242 | ||
1b5daf11 MD |
1243 | switch (mlx5_get_vport_access_method(ibdev)) { |
1244 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
095b0927 IT |
1245 | ret = mlx5_query_mad_ifc_port(ibdev, port, props); |
1246 | break; | |
e126ba97 | 1247 | |
1b5daf11 | 1248 | case MLX5_VPORT_ACCESS_METHOD_HCA: |
095b0927 IT |
1249 | ret = mlx5_query_hca_port(ibdev, port, props); |
1250 | break; | |
e126ba97 | 1251 | |
3f89a643 | 1252 | case MLX5_VPORT_ACCESS_METHOD_NIC: |
095b0927 IT |
1253 | ret = mlx5_query_port_roce(ibdev, port, props); |
1254 | break; | |
3f89a643 | 1255 | |
1b5daf11 | 1256 | default: |
095b0927 IT |
1257 | ret = -EINVAL; |
1258 | } | |
1259 | ||
1260 | if (!ret && props) { | |
b3cbd6f0 DJ |
1261 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
1262 | struct mlx5_core_dev *mdev; | |
1263 | bool put_mdev = true; | |
1264 | ||
1265 | mdev = mlx5_ib_get_native_port_mdev(dev, port, NULL); | |
1266 | if (!mdev) { | |
1267 | /* If the port isn't affiliated yet query the master. | |
1268 | * The master and slave will have the same values. | |
1269 | */ | |
1270 | mdev = dev->mdev; | |
1271 | port = 1; | |
1272 | put_mdev = false; | |
1273 | } | |
1274 | count = mlx5_core_reserved_gids_count(mdev); | |
1275 | if (put_mdev) | |
1276 | mlx5_ib_put_native_port_mdev(dev, port); | |
095b0927 | 1277 | props->gid_tbl_len -= count; |
1b5daf11 | 1278 | } |
095b0927 | 1279 | return ret; |
1b5daf11 | 1280 | } |
e126ba97 | 1281 | |
8e6efa3a MB |
1282 | static int mlx5_ib_rep_query_port(struct ib_device *ibdev, u8 port, |
1283 | struct ib_port_attr *props) | |
1284 | { | |
1285 | int ret; | |
1286 | ||
1287 | /* Only link layer == ethernet is valid for representors */ | |
1288 | ret = mlx5_query_port_roce(ibdev, port, props); | |
1289 | if (ret || !props) | |
1290 | return ret; | |
1291 | ||
1292 | /* We don't support GIDS */ | |
1293 | props->gid_tbl_len = 0; | |
1294 | ||
1295 | return ret; | |
1296 | } | |
1297 | ||
1b5daf11 MD |
1298 | static int mlx5_ib_query_gid(struct ib_device *ibdev, u8 port, int index, |
1299 | union ib_gid *gid) | |
1300 | { | |
1301 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
1302 | struct mlx5_core_dev *mdev = dev->mdev; | |
e126ba97 | 1303 | |
1b5daf11 MD |
1304 | switch (mlx5_get_vport_access_method(ibdev)) { |
1305 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
1306 | return mlx5_query_mad_ifc_gids(ibdev, port, index, gid); | |
e126ba97 | 1307 | |
1b5daf11 MD |
1308 | case MLX5_VPORT_ACCESS_METHOD_HCA: |
1309 | return mlx5_query_hca_vport_gid(mdev, 0, port, 0, index, gid); | |
1310 | ||
1311 | default: | |
1312 | return -EINVAL; | |
1313 | } | |
e126ba97 | 1314 | |
e126ba97 EC |
1315 | } |
1316 | ||
b3cbd6f0 DJ |
1317 | static int mlx5_query_hca_nic_pkey(struct ib_device *ibdev, u8 port, |
1318 | u16 index, u16 *pkey) | |
1b5daf11 MD |
1319 | { |
1320 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
b3cbd6f0 DJ |
1321 | struct mlx5_core_dev *mdev; |
1322 | bool put_mdev = true; | |
1323 | u8 mdev_port_num; | |
1324 | int err; | |
1b5daf11 | 1325 | |
b3cbd6f0 DJ |
1326 | mdev = mlx5_ib_get_native_port_mdev(dev, port, &mdev_port_num); |
1327 | if (!mdev) { | |
1328 | /* The port isn't affiliated yet, get the PKey from the master | |
1329 | * port. For RoCE the PKey tables will be the same. | |
1330 | */ | |
1331 | put_mdev = false; | |
1332 | mdev = dev->mdev; | |
1333 | mdev_port_num = 1; | |
1334 | } | |
1335 | ||
1336 | err = mlx5_query_hca_vport_pkey(mdev, 0, mdev_port_num, 0, | |
1337 | index, pkey); | |
1338 | if (put_mdev) | |
1339 | mlx5_ib_put_native_port_mdev(dev, port); | |
1340 | ||
1341 | return err; | |
1342 | } | |
1343 | ||
1344 | static int mlx5_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, | |
1345 | u16 *pkey) | |
1346 | { | |
1b5daf11 MD |
1347 | switch (mlx5_get_vport_access_method(ibdev)) { |
1348 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
1349 | return mlx5_query_mad_ifc_pkey(ibdev, port, index, pkey); | |
1350 | ||
1351 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
1352 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
b3cbd6f0 | 1353 | return mlx5_query_hca_nic_pkey(ibdev, port, index, pkey); |
1b5daf11 MD |
1354 | default: |
1355 | return -EINVAL; | |
1356 | } | |
1357 | } | |
e126ba97 EC |
1358 | |
1359 | static int mlx5_ib_modify_device(struct ib_device *ibdev, int mask, | |
1360 | struct ib_device_modify *props) | |
1361 | { | |
1362 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
1363 | struct mlx5_reg_node_desc in; | |
1364 | struct mlx5_reg_node_desc out; | |
1365 | int err; | |
1366 | ||
1367 | if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) | |
1368 | return -EOPNOTSUPP; | |
1369 | ||
1370 | if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) | |
1371 | return 0; | |
1372 | ||
1373 | /* | |
1374 | * If possible, pass node desc to FW, so it can generate | |
1375 | * a 144 trap. If cmd fails, just ignore. | |
1376 | */ | |
bd99fdea | 1377 | memcpy(&in, props->node_desc, IB_DEVICE_NODE_DESC_MAX); |
9603b61d | 1378 | err = mlx5_core_access_reg(dev->mdev, &in, sizeof(in), &out, |
e126ba97 EC |
1379 | sizeof(out), MLX5_REG_NODE_DESC, 0, 1); |
1380 | if (err) | |
1381 | return err; | |
1382 | ||
bd99fdea | 1383 | memcpy(ibdev->node_desc, props->node_desc, IB_DEVICE_NODE_DESC_MAX); |
e126ba97 EC |
1384 | |
1385 | return err; | |
1386 | } | |
1387 | ||
cdbe33d0 EC |
1388 | static int set_port_caps_atomic(struct mlx5_ib_dev *dev, u8 port_num, u32 mask, |
1389 | u32 value) | |
1390 | { | |
1391 | struct mlx5_hca_vport_context ctx = {}; | |
b3cbd6f0 DJ |
1392 | struct mlx5_core_dev *mdev; |
1393 | u8 mdev_port_num; | |
cdbe33d0 EC |
1394 | int err; |
1395 | ||
b3cbd6f0 DJ |
1396 | mdev = mlx5_ib_get_native_port_mdev(dev, port_num, &mdev_port_num); |
1397 | if (!mdev) | |
1398 | return -ENODEV; | |
1399 | ||
1400 | err = mlx5_query_hca_vport_context(mdev, 0, mdev_port_num, 0, &ctx); | |
cdbe33d0 | 1401 | if (err) |
b3cbd6f0 | 1402 | goto out; |
cdbe33d0 EC |
1403 | |
1404 | if (~ctx.cap_mask1_perm & mask) { | |
1405 | mlx5_ib_warn(dev, "trying to change bitmask 0x%X but change supported 0x%X\n", | |
1406 | mask, ctx.cap_mask1_perm); | |
b3cbd6f0 DJ |
1407 | err = -EINVAL; |
1408 | goto out; | |
cdbe33d0 EC |
1409 | } |
1410 | ||
1411 | ctx.cap_mask1 = value; | |
1412 | ctx.cap_mask1_perm = mask; | |
b3cbd6f0 DJ |
1413 | err = mlx5_core_modify_hca_vport_context(mdev, 0, mdev_port_num, |
1414 | 0, &ctx); | |
1415 | ||
1416 | out: | |
1417 | mlx5_ib_put_native_port_mdev(dev, port_num); | |
cdbe33d0 EC |
1418 | |
1419 | return err; | |
1420 | } | |
1421 | ||
e126ba97 EC |
1422 | static int mlx5_ib_modify_port(struct ib_device *ibdev, u8 port, int mask, |
1423 | struct ib_port_modify *props) | |
1424 | { | |
1425 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
1426 | struct ib_port_attr attr; | |
1427 | u32 tmp; | |
1428 | int err; | |
cdbe33d0 EC |
1429 | u32 change_mask; |
1430 | u32 value; | |
1431 | bool is_ib = (mlx5_ib_port_link_layer(ibdev, port) == | |
1432 | IB_LINK_LAYER_INFINIBAND); | |
1433 | ||
ec255879 MD |
1434 | /* CM layer calls ib_modify_port() regardless of the link layer. For |
1435 | * Ethernet ports, qkey violation and Port capabilities are meaningless. | |
1436 | */ | |
1437 | if (!is_ib) | |
1438 | return 0; | |
1439 | ||
cdbe33d0 EC |
1440 | if (MLX5_CAP_GEN(dev->mdev, ib_virt) && is_ib) { |
1441 | change_mask = props->clr_port_cap_mask | props->set_port_cap_mask; | |
1442 | value = ~props->clr_port_cap_mask | props->set_port_cap_mask; | |
1443 | return set_port_caps_atomic(dev, port, change_mask, value); | |
1444 | } | |
e126ba97 EC |
1445 | |
1446 | mutex_lock(&dev->cap_mask_mutex); | |
1447 | ||
c4550c63 | 1448 | err = ib_query_port(ibdev, port, &attr); |
e126ba97 EC |
1449 | if (err) |
1450 | goto out; | |
1451 | ||
1452 | tmp = (attr.port_cap_flags | props->set_port_cap_mask) & | |
1453 | ~props->clr_port_cap_mask; | |
1454 | ||
9603b61d | 1455 | err = mlx5_set_port_caps(dev->mdev, port, tmp); |
e126ba97 EC |
1456 | |
1457 | out: | |
1458 | mutex_unlock(&dev->cap_mask_mutex); | |
1459 | return err; | |
1460 | } | |
1461 | ||
30aa60b3 EC |
1462 | static void print_lib_caps(struct mlx5_ib_dev *dev, u64 caps) |
1463 | { | |
1464 | mlx5_ib_dbg(dev, "MLX5_LIB_CAP_4K_UAR = %s\n", | |
1465 | caps & MLX5_LIB_CAP_4K_UAR ? "y" : "n"); | |
1466 | } | |
1467 | ||
31a78a5a YH |
1468 | static u16 calc_dynamic_bfregs(int uars_per_sys_page) |
1469 | { | |
1470 | /* Large page with non 4k uar support might limit the dynamic size */ | |
1471 | if (uars_per_sys_page == 1 && PAGE_SIZE > 4096) | |
1472 | return MLX5_MIN_DYN_BFREGS; | |
1473 | ||
1474 | return MLX5_MAX_DYN_BFREGS; | |
1475 | } | |
1476 | ||
b037c29a EC |
1477 | static int calc_total_bfregs(struct mlx5_ib_dev *dev, bool lib_uar_4k, |
1478 | struct mlx5_ib_alloc_ucontext_req_v2 *req, | |
31a78a5a | 1479 | struct mlx5_bfreg_info *bfregi) |
b037c29a EC |
1480 | { |
1481 | int uars_per_sys_page; | |
1482 | int bfregs_per_sys_page; | |
1483 | int ref_bfregs = req->total_num_bfregs; | |
1484 | ||
1485 | if (req->total_num_bfregs == 0) | |
1486 | return -EINVAL; | |
1487 | ||
1488 | BUILD_BUG_ON(MLX5_MAX_BFREGS % MLX5_NON_FP_BFREGS_IN_PAGE); | |
1489 | BUILD_BUG_ON(MLX5_MAX_BFREGS < MLX5_NON_FP_BFREGS_IN_PAGE); | |
1490 | ||
1491 | if (req->total_num_bfregs > MLX5_MAX_BFREGS) | |
1492 | return -ENOMEM; | |
1493 | ||
1494 | uars_per_sys_page = get_uars_per_sys_page(dev, lib_uar_4k); | |
1495 | bfregs_per_sys_page = uars_per_sys_page * MLX5_NON_FP_BFREGS_PER_UAR; | |
31a78a5a | 1496 | /* This holds the required static allocation asked by the user */ |
b037c29a | 1497 | req->total_num_bfregs = ALIGN(req->total_num_bfregs, bfregs_per_sys_page); |
b037c29a EC |
1498 | if (req->num_low_latency_bfregs > req->total_num_bfregs - 1) |
1499 | return -EINVAL; | |
1500 | ||
31a78a5a YH |
1501 | bfregi->num_static_sys_pages = req->total_num_bfregs / bfregs_per_sys_page; |
1502 | bfregi->num_dyn_bfregs = ALIGN(calc_dynamic_bfregs(uars_per_sys_page), bfregs_per_sys_page); | |
1503 | bfregi->total_num_bfregs = req->total_num_bfregs + bfregi->num_dyn_bfregs; | |
1504 | bfregi->num_sys_pages = bfregi->total_num_bfregs / bfregs_per_sys_page; | |
1505 | ||
1506 | mlx5_ib_dbg(dev, "uar_4k: fw support %s, lib support %s, user requested %d bfregs, allocated %d, total bfregs %d, using %d sys pages\n", | |
b037c29a EC |
1507 | MLX5_CAP_GEN(dev->mdev, uar_4k) ? "yes" : "no", |
1508 | lib_uar_4k ? "yes" : "no", ref_bfregs, | |
31a78a5a YH |
1509 | req->total_num_bfregs, bfregi->total_num_bfregs, |
1510 | bfregi->num_sys_pages); | |
b037c29a EC |
1511 | |
1512 | return 0; | |
1513 | } | |
1514 | ||
1515 | static int allocate_uars(struct mlx5_ib_dev *dev, struct mlx5_ib_ucontext *context) | |
1516 | { | |
1517 | struct mlx5_bfreg_info *bfregi; | |
1518 | int err; | |
1519 | int i; | |
1520 | ||
1521 | bfregi = &context->bfregi; | |
31a78a5a | 1522 | for (i = 0; i < bfregi->num_static_sys_pages; i++) { |
b037c29a EC |
1523 | err = mlx5_cmd_alloc_uar(dev->mdev, &bfregi->sys_pages[i]); |
1524 | if (err) | |
1525 | goto error; | |
1526 | ||
1527 | mlx5_ib_dbg(dev, "allocated uar %d\n", bfregi->sys_pages[i]); | |
1528 | } | |
4ed131d0 YH |
1529 | |
1530 | for (i = bfregi->num_static_sys_pages; i < bfregi->num_sys_pages; i++) | |
1531 | bfregi->sys_pages[i] = MLX5_IB_INVALID_UAR_INDEX; | |
1532 | ||
b037c29a EC |
1533 | return 0; |
1534 | ||
1535 | error: | |
1536 | for (--i; i >= 0; i--) | |
1537 | if (mlx5_cmd_free_uar(dev->mdev, bfregi->sys_pages[i])) | |
1538 | mlx5_ib_warn(dev, "failed to free uar %d\n", i); | |
1539 | ||
1540 | return err; | |
1541 | } | |
1542 | ||
1543 | static int deallocate_uars(struct mlx5_ib_dev *dev, struct mlx5_ib_ucontext *context) | |
1544 | { | |
1545 | struct mlx5_bfreg_info *bfregi; | |
1546 | int err; | |
1547 | int i; | |
1548 | ||
1549 | bfregi = &context->bfregi; | |
4ed131d0 YH |
1550 | for (i = 0; i < bfregi->num_sys_pages; i++) { |
1551 | if (i < bfregi->num_static_sys_pages || | |
1552 | bfregi->sys_pages[i] != MLX5_IB_INVALID_UAR_INDEX) { | |
1553 | err = mlx5_cmd_free_uar(dev->mdev, bfregi->sys_pages[i]); | |
1554 | if (err) { | |
1555 | mlx5_ib_warn(dev, "failed to free uar %d, err=%d\n", i, err); | |
1556 | return err; | |
1557 | } | |
b037c29a EC |
1558 | } |
1559 | } | |
4ed131d0 | 1560 | |
b037c29a EC |
1561 | return 0; |
1562 | } | |
1563 | ||
c85023e1 HN |
1564 | static int mlx5_ib_alloc_transport_domain(struct mlx5_ib_dev *dev, u32 *tdn) |
1565 | { | |
1566 | int err; | |
1567 | ||
1568 | err = mlx5_core_alloc_transport_domain(dev->mdev, tdn); | |
1569 | if (err) | |
1570 | return err; | |
1571 | ||
1572 | if ((MLX5_CAP_GEN(dev->mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) || | |
8978cc92 EBE |
1573 | (!MLX5_CAP_GEN(dev->mdev, disable_local_lb_uc) && |
1574 | !MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc))) | |
c85023e1 HN |
1575 | return err; |
1576 | ||
1577 | mutex_lock(&dev->lb_mutex); | |
1578 | dev->user_td++; | |
1579 | ||
1580 | if (dev->user_td == 2) | |
1581 | err = mlx5_nic_vport_update_local_lb(dev->mdev, true); | |
1582 | ||
1583 | mutex_unlock(&dev->lb_mutex); | |
1584 | return err; | |
1585 | } | |
1586 | ||
1587 | static void mlx5_ib_dealloc_transport_domain(struct mlx5_ib_dev *dev, u32 tdn) | |
1588 | { | |
1589 | mlx5_core_dealloc_transport_domain(dev->mdev, tdn); | |
1590 | ||
1591 | if ((MLX5_CAP_GEN(dev->mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) || | |
8978cc92 EBE |
1592 | (!MLX5_CAP_GEN(dev->mdev, disable_local_lb_uc) && |
1593 | !MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc))) | |
c85023e1 HN |
1594 | return; |
1595 | ||
1596 | mutex_lock(&dev->lb_mutex); | |
1597 | dev->user_td--; | |
1598 | ||
1599 | if (dev->user_td < 2) | |
1600 | mlx5_nic_vport_update_local_lb(dev->mdev, false); | |
1601 | ||
1602 | mutex_unlock(&dev->lb_mutex); | |
1603 | } | |
1604 | ||
e126ba97 EC |
1605 | static struct ib_ucontext *mlx5_ib_alloc_ucontext(struct ib_device *ibdev, |
1606 | struct ib_udata *udata) | |
1607 | { | |
1608 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
b368d7cb MB |
1609 | struct mlx5_ib_alloc_ucontext_req_v2 req = {}; |
1610 | struct mlx5_ib_alloc_ucontext_resp resp = {}; | |
5c99eaec | 1611 | struct mlx5_core_dev *mdev = dev->mdev; |
e126ba97 | 1612 | struct mlx5_ib_ucontext *context; |
2f5ff264 | 1613 | struct mlx5_bfreg_info *bfregi; |
78c0f98c | 1614 | int ver; |
e126ba97 | 1615 | int err; |
a168a41c MD |
1616 | size_t min_req_v2 = offsetof(struct mlx5_ib_alloc_ucontext_req_v2, |
1617 | max_cqe_version); | |
b037c29a | 1618 | bool lib_uar_4k; |
e126ba97 EC |
1619 | |
1620 | if (!dev->ib_active) | |
1621 | return ERR_PTR(-EAGAIN); | |
1622 | ||
e093111d | 1623 | if (udata->inlen == sizeof(struct mlx5_ib_alloc_ucontext_req)) |
78c0f98c | 1624 | ver = 0; |
e093111d | 1625 | else if (udata->inlen >= min_req_v2) |
78c0f98c EC |
1626 | ver = 2; |
1627 | else | |
1628 | return ERR_PTR(-EINVAL); | |
1629 | ||
e093111d | 1630 | err = ib_copy_from_udata(&req, udata, min(udata->inlen, sizeof(req))); |
e126ba97 EC |
1631 | if (err) |
1632 | return ERR_PTR(err); | |
1633 | ||
b368d7cb | 1634 | if (req.flags) |
78c0f98c EC |
1635 | return ERR_PTR(-EINVAL); |
1636 | ||
f72300c5 | 1637 | if (req.comp_mask || req.reserved0 || req.reserved1 || req.reserved2) |
b368d7cb MB |
1638 | return ERR_PTR(-EOPNOTSUPP); |
1639 | ||
2f5ff264 EC |
1640 | req.total_num_bfregs = ALIGN(req.total_num_bfregs, |
1641 | MLX5_NON_FP_BFREGS_PER_UAR); | |
1642 | if (req.num_low_latency_bfregs > req.total_num_bfregs - 1) | |
e126ba97 EC |
1643 | return ERR_PTR(-EINVAL); |
1644 | ||
938fe83c | 1645 | resp.qp_tab_size = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp); |
2cc6ad5f NO |
1646 | if (mlx5_core_is_pf(dev->mdev) && MLX5_CAP_GEN(dev->mdev, bf)) |
1647 | resp.bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, log_bf_reg_size); | |
b47bd6ea | 1648 | resp.cache_line_size = cache_line_size(); |
938fe83c SM |
1649 | resp.max_sq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq); |
1650 | resp.max_rq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq); | |
1651 | resp.max_send_wqebb = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz); | |
1652 | resp.max_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz); | |
1653 | resp.max_srq_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz); | |
f72300c5 HA |
1654 | resp.cqe_version = min_t(__u8, |
1655 | (__u8)MLX5_CAP_GEN(dev->mdev, cqe_version), | |
1656 | req.max_cqe_version); | |
30aa60b3 EC |
1657 | resp.log_uar_size = MLX5_CAP_GEN(dev->mdev, uar_4k) ? |
1658 | MLX5_ADAPTER_PAGE_SHIFT : PAGE_SHIFT; | |
1659 | resp.num_uars_per_page = MLX5_CAP_GEN(dev->mdev, uar_4k) ? | |
1660 | MLX5_CAP_GEN(dev->mdev, num_of_uars_per_page) : 1; | |
b368d7cb MB |
1661 | resp.response_length = min(offsetof(typeof(resp), response_length) + |
1662 | sizeof(resp.response_length), udata->outlen); | |
e126ba97 EC |
1663 | |
1664 | context = kzalloc(sizeof(*context), GFP_KERNEL); | |
1665 | if (!context) | |
1666 | return ERR_PTR(-ENOMEM); | |
1667 | ||
30aa60b3 | 1668 | lib_uar_4k = req.lib_caps & MLX5_LIB_CAP_4K_UAR; |
2f5ff264 | 1669 | bfregi = &context->bfregi; |
b037c29a EC |
1670 | |
1671 | /* updates req->total_num_bfregs */ | |
31a78a5a | 1672 | err = calc_total_bfregs(dev, lib_uar_4k, &req, bfregi); |
b037c29a | 1673 | if (err) |
e126ba97 | 1674 | goto out_ctx; |
e126ba97 | 1675 | |
b037c29a EC |
1676 | mutex_init(&bfregi->lock); |
1677 | bfregi->lib_uar_4k = lib_uar_4k; | |
31a78a5a | 1678 | bfregi->count = kcalloc(bfregi->total_num_bfregs, sizeof(*bfregi->count), |
e126ba97 | 1679 | GFP_KERNEL); |
b037c29a | 1680 | if (!bfregi->count) { |
e126ba97 | 1681 | err = -ENOMEM; |
b037c29a | 1682 | goto out_ctx; |
e126ba97 EC |
1683 | } |
1684 | ||
b037c29a EC |
1685 | bfregi->sys_pages = kcalloc(bfregi->num_sys_pages, |
1686 | sizeof(*bfregi->sys_pages), | |
1687 | GFP_KERNEL); | |
1688 | if (!bfregi->sys_pages) { | |
e126ba97 | 1689 | err = -ENOMEM; |
b037c29a | 1690 | goto out_count; |
e126ba97 EC |
1691 | } |
1692 | ||
b037c29a EC |
1693 | err = allocate_uars(dev, context); |
1694 | if (err) | |
1695 | goto out_sys_pages; | |
e126ba97 | 1696 | |
b4cfe447 HE |
1697 | #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING |
1698 | context->ibucontext.invalidate_range = &mlx5_ib_invalidate_range; | |
1699 | #endif | |
1700 | ||
7d0cc6ed AK |
1701 | context->upd_xlt_page = __get_free_page(GFP_KERNEL); |
1702 | if (!context->upd_xlt_page) { | |
1703 | err = -ENOMEM; | |
1704 | goto out_uars; | |
1705 | } | |
1706 | mutex_init(&context->upd_xlt_page_mutex); | |
1707 | ||
146d2f1a | 1708 | if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) { |
c85023e1 | 1709 | err = mlx5_ib_alloc_transport_domain(dev, &context->tdn); |
146d2f1a | 1710 | if (err) |
7d0cc6ed | 1711 | goto out_page; |
146d2f1a | 1712 | } |
1713 | ||
7c2344c3 | 1714 | INIT_LIST_HEAD(&context->vma_private_list); |
ad9a3668 | 1715 | mutex_init(&context->vma_private_list_mutex); |
e126ba97 EC |
1716 | INIT_LIST_HEAD(&context->db_page_list); |
1717 | mutex_init(&context->db_page_mutex); | |
1718 | ||
2f5ff264 | 1719 | resp.tot_bfregs = req.total_num_bfregs; |
508562d6 | 1720 | resp.num_ports = dev->num_ports; |
b368d7cb | 1721 | |
f72300c5 HA |
1722 | if (field_avail(typeof(resp), cqe_version, udata->outlen)) |
1723 | resp.response_length += sizeof(resp.cqe_version); | |
b368d7cb | 1724 | |
402ca536 | 1725 | if (field_avail(typeof(resp), cmds_supp_uhw, udata->outlen)) { |
6ad279c5 MS |
1726 | resp.cmds_supp_uhw |= MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE | |
1727 | MLX5_USER_CMDS_SUPP_UHW_CREATE_AH; | |
402ca536 BW |
1728 | resp.response_length += sizeof(resp.cmds_supp_uhw); |
1729 | } | |
1730 | ||
78984898 OG |
1731 | if (field_avail(typeof(resp), eth_min_inline, udata->outlen)) { |
1732 | if (mlx5_ib_port_link_layer(ibdev, 1) == IB_LINK_LAYER_ETHERNET) { | |
1733 | mlx5_query_min_inline(dev->mdev, &resp.eth_min_inline); | |
1734 | resp.eth_min_inline++; | |
1735 | } | |
1736 | resp.response_length += sizeof(resp.eth_min_inline); | |
1737 | } | |
1738 | ||
5c99eaec FD |
1739 | if (field_avail(typeof(resp), clock_info_versions, udata->outlen)) { |
1740 | if (mdev->clock_info) | |
1741 | resp.clock_info_versions = BIT(MLX5_IB_CLOCK_INFO_V1); | |
1742 | resp.response_length += sizeof(resp.clock_info_versions); | |
1743 | } | |
1744 | ||
bc5c6eed NO |
1745 | /* |
1746 | * We don't want to expose information from the PCI bar that is located | |
1747 | * after 4096 bytes, so if the arch only supports larger pages, let's | |
1748 | * pretend we don't support reading the HCA's core clock. This is also | |
1749 | * forced by mmap function. | |
1750 | */ | |
de8d6e02 EC |
1751 | if (field_avail(typeof(resp), hca_core_clock_offset, udata->outlen)) { |
1752 | if (PAGE_SIZE <= 4096) { | |
1753 | resp.comp_mask |= | |
1754 | MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET; | |
1755 | resp.hca_core_clock_offset = | |
1756 | offsetof(struct mlx5_init_seg, internal_timer_h) % PAGE_SIZE; | |
1757 | } | |
5c99eaec | 1758 | resp.response_length += sizeof(resp.hca_core_clock_offset); |
b368d7cb MB |
1759 | } |
1760 | ||
30aa60b3 EC |
1761 | if (field_avail(typeof(resp), log_uar_size, udata->outlen)) |
1762 | resp.response_length += sizeof(resp.log_uar_size); | |
1763 | ||
1764 | if (field_avail(typeof(resp), num_uars_per_page, udata->outlen)) | |
1765 | resp.response_length += sizeof(resp.num_uars_per_page); | |
1766 | ||
31a78a5a YH |
1767 | if (field_avail(typeof(resp), num_dyn_bfregs, udata->outlen)) { |
1768 | resp.num_dyn_bfregs = bfregi->num_dyn_bfregs; | |
1769 | resp.response_length += sizeof(resp.num_dyn_bfregs); | |
1770 | } | |
1771 | ||
b368d7cb | 1772 | err = ib_copy_to_udata(udata, &resp, resp.response_length); |
e126ba97 | 1773 | if (err) |
146d2f1a | 1774 | goto out_td; |
e126ba97 | 1775 | |
2f5ff264 EC |
1776 | bfregi->ver = ver; |
1777 | bfregi->num_low_latency_bfregs = req.num_low_latency_bfregs; | |
f72300c5 | 1778 | context->cqe_version = resp.cqe_version; |
30aa60b3 EC |
1779 | context->lib_caps = req.lib_caps; |
1780 | print_lib_caps(dev, context->lib_caps); | |
f72300c5 | 1781 | |
e126ba97 EC |
1782 | return &context->ibucontext; |
1783 | ||
146d2f1a | 1784 | out_td: |
1785 | if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) | |
c85023e1 | 1786 | mlx5_ib_dealloc_transport_domain(dev, context->tdn); |
146d2f1a | 1787 | |
7d0cc6ed AK |
1788 | out_page: |
1789 | free_page(context->upd_xlt_page); | |
1790 | ||
e126ba97 | 1791 | out_uars: |
b037c29a | 1792 | deallocate_uars(dev, context); |
e126ba97 | 1793 | |
b037c29a EC |
1794 | out_sys_pages: |
1795 | kfree(bfregi->sys_pages); | |
e126ba97 | 1796 | |
b037c29a EC |
1797 | out_count: |
1798 | kfree(bfregi->count); | |
e126ba97 EC |
1799 | |
1800 | out_ctx: | |
1801 | kfree(context); | |
b037c29a | 1802 | |
e126ba97 EC |
1803 | return ERR_PTR(err); |
1804 | } | |
1805 | ||
1806 | static int mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) | |
1807 | { | |
1808 | struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); | |
1809 | struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); | |
b037c29a | 1810 | struct mlx5_bfreg_info *bfregi; |
e126ba97 | 1811 | |
b037c29a | 1812 | bfregi = &context->bfregi; |
146d2f1a | 1813 | if (MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) |
c85023e1 | 1814 | mlx5_ib_dealloc_transport_domain(dev, context->tdn); |
146d2f1a | 1815 | |
7d0cc6ed | 1816 | free_page(context->upd_xlt_page); |
b037c29a EC |
1817 | deallocate_uars(dev, context); |
1818 | kfree(bfregi->sys_pages); | |
2f5ff264 | 1819 | kfree(bfregi->count); |
e126ba97 EC |
1820 | kfree(context); |
1821 | ||
1822 | return 0; | |
1823 | } | |
1824 | ||
b037c29a | 1825 | static phys_addr_t uar_index2pfn(struct mlx5_ib_dev *dev, |
4ed131d0 | 1826 | int uar_idx) |
e126ba97 | 1827 | { |
b037c29a EC |
1828 | int fw_uars_per_page; |
1829 | ||
1830 | fw_uars_per_page = MLX5_CAP_GEN(dev->mdev, uar_4k) ? MLX5_UARS_IN_PAGE : 1; | |
1831 | ||
4ed131d0 | 1832 | return (pci_resource_start(dev->mdev->pdev, 0) >> PAGE_SHIFT) + uar_idx / fw_uars_per_page; |
e126ba97 EC |
1833 | } |
1834 | ||
1835 | static int get_command(unsigned long offset) | |
1836 | { | |
1837 | return (offset >> MLX5_IB_MMAP_CMD_SHIFT) & MLX5_IB_MMAP_CMD_MASK; | |
1838 | } | |
1839 | ||
1840 | static int get_arg(unsigned long offset) | |
1841 | { | |
1842 | return offset & ((1 << MLX5_IB_MMAP_CMD_SHIFT) - 1); | |
1843 | } | |
1844 | ||
1845 | static int get_index(unsigned long offset) | |
1846 | { | |
1847 | return get_arg(offset); | |
1848 | } | |
1849 | ||
4ed131d0 YH |
1850 | /* Index resides in an extra byte to enable larger values than 255 */ |
1851 | static int get_extended_index(unsigned long offset) | |
1852 | { | |
1853 | return get_arg(offset) | ((offset >> 16) & 0xff) << 8; | |
1854 | } | |
1855 | ||
7c2344c3 MG |
1856 | static void mlx5_ib_vma_open(struct vm_area_struct *area) |
1857 | { | |
1858 | /* vma_open is called when a new VMA is created on top of our VMA. This | |
1859 | * is done through either mremap flow or split_vma (usually due to | |
1860 | * mlock, madvise, munmap, etc.) We do not support a clone of the VMA, | |
1861 | * as this VMA is strongly hardware related. Therefore we set the | |
1862 | * vm_ops of the newly created/cloned VMA to NULL, to prevent it from | |
1863 | * calling us again and trying to do incorrect actions. We assume that | |
1864 | * the original VMA size is exactly a single page, and therefore all | |
1865 | * "splitting" operation will not happen to it. | |
1866 | */ | |
1867 | area->vm_ops = NULL; | |
1868 | } | |
1869 | ||
1870 | static void mlx5_ib_vma_close(struct vm_area_struct *area) | |
1871 | { | |
1872 | struct mlx5_ib_vma_private_data *mlx5_ib_vma_priv_data; | |
1873 | ||
1874 | /* It's guaranteed that all VMAs opened on a FD are closed before the | |
1875 | * file itself is closed, therefore no sync is needed with the regular | |
1876 | * closing flow. (e.g. mlx5 ib_dealloc_ucontext) | |
1877 | * However need a sync with accessing the vma as part of | |
1878 | * mlx5_ib_disassociate_ucontext. | |
1879 | * The close operation is usually called under mm->mmap_sem except when | |
1880 | * process is exiting. | |
1881 | * The exiting case is handled explicitly as part of | |
1882 | * mlx5_ib_disassociate_ucontext. | |
1883 | */ | |
1884 | mlx5_ib_vma_priv_data = (struct mlx5_ib_vma_private_data *)area->vm_private_data; | |
1885 | ||
1886 | /* setting the vma context pointer to null in the mlx5_ib driver's | |
1887 | * private data, to protect a race condition in | |
1888 | * mlx5_ib_disassociate_ucontext(). | |
1889 | */ | |
1890 | mlx5_ib_vma_priv_data->vma = NULL; | |
ad9a3668 | 1891 | mutex_lock(mlx5_ib_vma_priv_data->vma_private_list_mutex); |
7c2344c3 | 1892 | list_del(&mlx5_ib_vma_priv_data->list); |
ad9a3668 | 1893 | mutex_unlock(mlx5_ib_vma_priv_data->vma_private_list_mutex); |
7c2344c3 MG |
1894 | kfree(mlx5_ib_vma_priv_data); |
1895 | } | |
1896 | ||
1897 | static const struct vm_operations_struct mlx5_ib_vm_ops = { | |
1898 | .open = mlx5_ib_vma_open, | |
1899 | .close = mlx5_ib_vma_close | |
1900 | }; | |
1901 | ||
1902 | static int mlx5_ib_set_vma_data(struct vm_area_struct *vma, | |
1903 | struct mlx5_ib_ucontext *ctx) | |
1904 | { | |
1905 | struct mlx5_ib_vma_private_data *vma_prv; | |
1906 | struct list_head *vma_head = &ctx->vma_private_list; | |
1907 | ||
1908 | vma_prv = kzalloc(sizeof(*vma_prv), GFP_KERNEL); | |
1909 | if (!vma_prv) | |
1910 | return -ENOMEM; | |
1911 | ||
1912 | vma_prv->vma = vma; | |
ad9a3668 | 1913 | vma_prv->vma_private_list_mutex = &ctx->vma_private_list_mutex; |
7c2344c3 MG |
1914 | vma->vm_private_data = vma_prv; |
1915 | vma->vm_ops = &mlx5_ib_vm_ops; | |
1916 | ||
ad9a3668 | 1917 | mutex_lock(&ctx->vma_private_list_mutex); |
7c2344c3 | 1918 | list_add(&vma_prv->list, vma_head); |
ad9a3668 | 1919 | mutex_unlock(&ctx->vma_private_list_mutex); |
7c2344c3 MG |
1920 | |
1921 | return 0; | |
1922 | } | |
1923 | ||
1924 | static void mlx5_ib_disassociate_ucontext(struct ib_ucontext *ibcontext) | |
1925 | { | |
1926 | int ret; | |
1927 | struct vm_area_struct *vma; | |
1928 | struct mlx5_ib_vma_private_data *vma_private, *n; | |
1929 | struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); | |
1930 | struct task_struct *owning_process = NULL; | |
1931 | struct mm_struct *owning_mm = NULL; | |
1932 | ||
1933 | owning_process = get_pid_task(ibcontext->tgid, PIDTYPE_PID); | |
1934 | if (!owning_process) | |
1935 | return; | |
1936 | ||
1937 | owning_mm = get_task_mm(owning_process); | |
1938 | if (!owning_mm) { | |
1939 | pr_info("no mm, disassociate ucontext is pending task termination\n"); | |
1940 | while (1) { | |
1941 | put_task_struct(owning_process); | |
1942 | usleep_range(1000, 2000); | |
1943 | owning_process = get_pid_task(ibcontext->tgid, | |
1944 | PIDTYPE_PID); | |
1945 | if (!owning_process || | |
1946 | owning_process->state == TASK_DEAD) { | |
1947 | pr_info("disassociate ucontext done, task was terminated\n"); | |
1948 | /* in case task was dead need to release the | |
1949 | * task struct. | |
1950 | */ | |
1951 | if (owning_process) | |
1952 | put_task_struct(owning_process); | |
1953 | return; | |
1954 | } | |
1955 | } | |
1956 | } | |
1957 | ||
1958 | /* need to protect from a race on closing the vma as part of | |
1959 | * mlx5_ib_vma_close. | |
1960 | */ | |
ecc7d83b | 1961 | down_write(&owning_mm->mmap_sem); |
ad9a3668 | 1962 | mutex_lock(&context->vma_private_list_mutex); |
7c2344c3 MG |
1963 | list_for_each_entry_safe(vma_private, n, &context->vma_private_list, |
1964 | list) { | |
1965 | vma = vma_private->vma; | |
1966 | ret = zap_vma_ptes(vma, vma->vm_start, | |
1967 | PAGE_SIZE); | |
1968 | WARN_ONCE(ret, "%s: zap_vma_ptes failed", __func__); | |
1969 | /* context going to be destroyed, should | |
1970 | * not access ops any more. | |
1971 | */ | |
13776612 | 1972 | vma->vm_flags &= ~(VM_SHARED | VM_MAYSHARE); |
7c2344c3 MG |
1973 | vma->vm_ops = NULL; |
1974 | list_del(&vma_private->list); | |
1975 | kfree(vma_private); | |
1976 | } | |
ad9a3668 | 1977 | mutex_unlock(&context->vma_private_list_mutex); |
ecc7d83b | 1978 | up_write(&owning_mm->mmap_sem); |
7c2344c3 MG |
1979 | mmput(owning_mm); |
1980 | put_task_struct(owning_process); | |
1981 | } | |
1982 | ||
37aa5c36 GL |
1983 | static inline char *mmap_cmd2str(enum mlx5_ib_mmap_cmd cmd) |
1984 | { | |
1985 | switch (cmd) { | |
1986 | case MLX5_IB_MMAP_WC_PAGE: | |
1987 | return "WC"; | |
1988 | case MLX5_IB_MMAP_REGULAR_PAGE: | |
1989 | return "best effort WC"; | |
1990 | case MLX5_IB_MMAP_NC_PAGE: | |
1991 | return "NC"; | |
1992 | default: | |
1993 | return NULL; | |
1994 | } | |
1995 | } | |
1996 | ||
5c99eaec FD |
1997 | static int mlx5_ib_mmap_clock_info_page(struct mlx5_ib_dev *dev, |
1998 | struct vm_area_struct *vma, | |
1999 | struct mlx5_ib_ucontext *context) | |
2000 | { | |
2001 | phys_addr_t pfn; | |
2002 | int err; | |
2003 | ||
2004 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) | |
2005 | return -EINVAL; | |
2006 | ||
2007 | if (get_index(vma->vm_pgoff) != MLX5_IB_CLOCK_INFO_V1) | |
2008 | return -EOPNOTSUPP; | |
2009 | ||
2010 | if (vma->vm_flags & VM_WRITE) | |
2011 | return -EPERM; | |
2012 | ||
2013 | if (!dev->mdev->clock_info_page) | |
2014 | return -EOPNOTSUPP; | |
2015 | ||
2016 | pfn = page_to_pfn(dev->mdev->clock_info_page); | |
2017 | err = remap_pfn_range(vma, vma->vm_start, pfn, PAGE_SIZE, | |
2018 | vma->vm_page_prot); | |
2019 | if (err) | |
2020 | return err; | |
2021 | ||
2022 | mlx5_ib_dbg(dev, "mapped clock info at 0x%lx, PA 0x%llx\n", | |
2023 | vma->vm_start, | |
2024 | (unsigned long long)pfn << PAGE_SHIFT); | |
2025 | ||
2026 | return mlx5_ib_set_vma_data(vma, context); | |
2027 | } | |
2028 | ||
37aa5c36 | 2029 | static int uar_mmap(struct mlx5_ib_dev *dev, enum mlx5_ib_mmap_cmd cmd, |
7c2344c3 MG |
2030 | struct vm_area_struct *vma, |
2031 | struct mlx5_ib_ucontext *context) | |
37aa5c36 | 2032 | { |
2f5ff264 | 2033 | struct mlx5_bfreg_info *bfregi = &context->bfregi; |
37aa5c36 GL |
2034 | int err; |
2035 | unsigned long idx; | |
2036 | phys_addr_t pfn, pa; | |
2037 | pgprot_t prot; | |
4ed131d0 YH |
2038 | u32 bfreg_dyn_idx = 0; |
2039 | u32 uar_index; | |
2040 | int dyn_uar = (cmd == MLX5_IB_MMAP_ALLOC_WC); | |
2041 | int max_valid_idx = dyn_uar ? bfregi->num_sys_pages : | |
2042 | bfregi->num_static_sys_pages; | |
b037c29a EC |
2043 | |
2044 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) | |
2045 | return -EINVAL; | |
2046 | ||
4ed131d0 YH |
2047 | if (dyn_uar) |
2048 | idx = get_extended_index(vma->vm_pgoff) + bfregi->num_static_sys_pages; | |
2049 | else | |
2050 | idx = get_index(vma->vm_pgoff); | |
2051 | ||
2052 | if (idx >= max_valid_idx) { | |
2053 | mlx5_ib_warn(dev, "invalid uar index %lu, max=%d\n", | |
2054 | idx, max_valid_idx); | |
b037c29a EC |
2055 | return -EINVAL; |
2056 | } | |
37aa5c36 GL |
2057 | |
2058 | switch (cmd) { | |
2059 | case MLX5_IB_MMAP_WC_PAGE: | |
4ed131d0 | 2060 | case MLX5_IB_MMAP_ALLOC_WC: |
37aa5c36 GL |
2061 | /* Some architectures don't support WC memory */ |
2062 | #if defined(CONFIG_X86) | |
2063 | if (!pat_enabled()) | |
2064 | return -EPERM; | |
2065 | #elif !(defined(CONFIG_PPC) || (defined(CONFIG_ARM) && defined(CONFIG_MMU))) | |
2066 | return -EPERM; | |
2067 | #endif | |
2068 | /* fall through */ | |
2069 | case MLX5_IB_MMAP_REGULAR_PAGE: | |
2070 | /* For MLX5_IB_MMAP_REGULAR_PAGE do the best effort to get WC */ | |
2071 | prot = pgprot_writecombine(vma->vm_page_prot); | |
2072 | break; | |
2073 | case MLX5_IB_MMAP_NC_PAGE: | |
2074 | prot = pgprot_noncached(vma->vm_page_prot); | |
2075 | break; | |
2076 | default: | |
2077 | return -EINVAL; | |
2078 | } | |
2079 | ||
4ed131d0 YH |
2080 | if (dyn_uar) { |
2081 | int uars_per_page; | |
2082 | ||
2083 | uars_per_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k); | |
2084 | bfreg_dyn_idx = idx * (uars_per_page * MLX5_NON_FP_BFREGS_PER_UAR); | |
2085 | if (bfreg_dyn_idx >= bfregi->total_num_bfregs) { | |
2086 | mlx5_ib_warn(dev, "invalid bfreg_dyn_idx %u, max=%u\n", | |
2087 | bfreg_dyn_idx, bfregi->total_num_bfregs); | |
2088 | return -EINVAL; | |
2089 | } | |
2090 | ||
2091 | mutex_lock(&bfregi->lock); | |
2092 | /* Fail if uar already allocated, first bfreg index of each | |
2093 | * page holds its count. | |
2094 | */ | |
2095 | if (bfregi->count[bfreg_dyn_idx]) { | |
2096 | mlx5_ib_warn(dev, "wrong offset, idx %lu is busy, bfregn=%u\n", idx, bfreg_dyn_idx); | |
2097 | mutex_unlock(&bfregi->lock); | |
2098 | return -EINVAL; | |
2099 | } | |
2100 | ||
2101 | bfregi->count[bfreg_dyn_idx]++; | |
2102 | mutex_unlock(&bfregi->lock); | |
2103 | ||
2104 | err = mlx5_cmd_alloc_uar(dev->mdev, &uar_index); | |
2105 | if (err) { | |
2106 | mlx5_ib_warn(dev, "UAR alloc failed\n"); | |
2107 | goto free_bfreg; | |
2108 | } | |
2109 | } else { | |
2110 | uar_index = bfregi->sys_pages[idx]; | |
2111 | } | |
2112 | ||
2113 | pfn = uar_index2pfn(dev, uar_index); | |
37aa5c36 GL |
2114 | mlx5_ib_dbg(dev, "uar idx 0x%lx, pfn %pa\n", idx, &pfn); |
2115 | ||
2116 | vma->vm_page_prot = prot; | |
2117 | err = io_remap_pfn_range(vma, vma->vm_start, pfn, | |
2118 | PAGE_SIZE, vma->vm_page_prot); | |
2119 | if (err) { | |
2120 | mlx5_ib_err(dev, "io_remap_pfn_range failed with error=%d, vm_start=0x%lx, pfn=%pa, mmap_cmd=%s\n", | |
2121 | err, vma->vm_start, &pfn, mmap_cmd2str(cmd)); | |
4ed131d0 YH |
2122 | err = -EAGAIN; |
2123 | goto err; | |
37aa5c36 GL |
2124 | } |
2125 | ||
2126 | pa = pfn << PAGE_SHIFT; | |
2127 | mlx5_ib_dbg(dev, "mapped %s at 0x%lx, PA %pa\n", mmap_cmd2str(cmd), | |
2128 | vma->vm_start, &pa); | |
2129 | ||
4ed131d0 YH |
2130 | err = mlx5_ib_set_vma_data(vma, context); |
2131 | if (err) | |
2132 | goto err; | |
2133 | ||
2134 | if (dyn_uar) | |
2135 | bfregi->sys_pages[idx] = uar_index; | |
2136 | return 0; | |
2137 | ||
2138 | err: | |
2139 | if (!dyn_uar) | |
2140 | return err; | |
2141 | ||
2142 | mlx5_cmd_free_uar(dev->mdev, idx); | |
2143 | ||
2144 | free_bfreg: | |
2145 | mlx5_ib_free_bfreg(dev, bfregi, bfreg_dyn_idx); | |
2146 | ||
2147 | return err; | |
37aa5c36 GL |
2148 | } |
2149 | ||
e126ba97 EC |
2150 | static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma) |
2151 | { | |
2152 | struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); | |
2153 | struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); | |
e126ba97 | 2154 | unsigned long command; |
e126ba97 EC |
2155 | phys_addr_t pfn; |
2156 | ||
2157 | command = get_command(vma->vm_pgoff); | |
2158 | switch (command) { | |
37aa5c36 GL |
2159 | case MLX5_IB_MMAP_WC_PAGE: |
2160 | case MLX5_IB_MMAP_NC_PAGE: | |
e126ba97 | 2161 | case MLX5_IB_MMAP_REGULAR_PAGE: |
4ed131d0 | 2162 | case MLX5_IB_MMAP_ALLOC_WC: |
7c2344c3 | 2163 | return uar_mmap(dev, command, vma, context); |
e126ba97 EC |
2164 | |
2165 | case MLX5_IB_MMAP_GET_CONTIGUOUS_PAGES: | |
2166 | return -ENOSYS; | |
2167 | ||
d69e3bcf | 2168 | case MLX5_IB_MMAP_CORE_CLOCK: |
d69e3bcf MB |
2169 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) |
2170 | return -EINVAL; | |
2171 | ||
6cbac1e4 | 2172 | if (vma->vm_flags & VM_WRITE) |
d69e3bcf MB |
2173 | return -EPERM; |
2174 | ||
2175 | /* Don't expose to user-space information it shouldn't have */ | |
2176 | if (PAGE_SIZE > 4096) | |
2177 | return -EOPNOTSUPP; | |
2178 | ||
2179 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); | |
2180 | pfn = (dev->mdev->iseg_base + | |
2181 | offsetof(struct mlx5_init_seg, internal_timer_h)) >> | |
2182 | PAGE_SHIFT; | |
2183 | if (io_remap_pfn_range(vma, vma->vm_start, pfn, | |
2184 | PAGE_SIZE, vma->vm_page_prot)) | |
2185 | return -EAGAIN; | |
2186 | ||
2187 | mlx5_ib_dbg(dev, "mapped internal timer at 0x%lx, PA 0x%llx\n", | |
2188 | vma->vm_start, | |
2189 | (unsigned long long)pfn << PAGE_SHIFT); | |
2190 | break; | |
5c99eaec FD |
2191 | case MLX5_IB_MMAP_CLOCK_INFO: |
2192 | return mlx5_ib_mmap_clock_info_page(dev, vma, context); | |
d69e3bcf | 2193 | |
e126ba97 EC |
2194 | default: |
2195 | return -EINVAL; | |
2196 | } | |
2197 | ||
2198 | return 0; | |
2199 | } | |
2200 | ||
e126ba97 EC |
2201 | static struct ib_pd *mlx5_ib_alloc_pd(struct ib_device *ibdev, |
2202 | struct ib_ucontext *context, | |
2203 | struct ib_udata *udata) | |
2204 | { | |
2205 | struct mlx5_ib_alloc_pd_resp resp; | |
2206 | struct mlx5_ib_pd *pd; | |
2207 | int err; | |
2208 | ||
2209 | pd = kmalloc(sizeof(*pd), GFP_KERNEL); | |
2210 | if (!pd) | |
2211 | return ERR_PTR(-ENOMEM); | |
2212 | ||
9603b61d | 2213 | err = mlx5_core_alloc_pd(to_mdev(ibdev)->mdev, &pd->pdn); |
e126ba97 EC |
2214 | if (err) { |
2215 | kfree(pd); | |
2216 | return ERR_PTR(err); | |
2217 | } | |
2218 | ||
2219 | if (context) { | |
2220 | resp.pdn = pd->pdn; | |
2221 | if (ib_copy_to_udata(udata, &resp, sizeof(resp))) { | |
9603b61d | 2222 | mlx5_core_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn); |
e126ba97 EC |
2223 | kfree(pd); |
2224 | return ERR_PTR(-EFAULT); | |
2225 | } | |
e126ba97 EC |
2226 | } |
2227 | ||
2228 | return &pd->ibpd; | |
2229 | } | |
2230 | ||
2231 | static int mlx5_ib_dealloc_pd(struct ib_pd *pd) | |
2232 | { | |
2233 | struct mlx5_ib_dev *mdev = to_mdev(pd->device); | |
2234 | struct mlx5_ib_pd *mpd = to_mpd(pd); | |
2235 | ||
9603b61d | 2236 | mlx5_core_dealloc_pd(mdev->mdev, mpd->pdn); |
e126ba97 EC |
2237 | kfree(mpd); |
2238 | ||
2239 | return 0; | |
2240 | } | |
2241 | ||
466fa6d2 MG |
2242 | enum { |
2243 | MATCH_CRITERIA_ENABLE_OUTER_BIT, | |
2244 | MATCH_CRITERIA_ENABLE_MISC_BIT, | |
2245 | MATCH_CRITERIA_ENABLE_INNER_BIT | |
2246 | }; | |
2247 | ||
2248 | #define HEADER_IS_ZERO(match_criteria, headers) \ | |
2249 | !(memchr_inv(MLX5_ADDR_OF(fte_match_param, match_criteria, headers), \ | |
2250 | 0, MLX5_FLD_SZ_BYTES(fte_match_param, headers))) \ | |
038d2ef8 | 2251 | |
466fa6d2 | 2252 | static u8 get_match_criteria_enable(u32 *match_criteria) |
038d2ef8 | 2253 | { |
466fa6d2 | 2254 | u8 match_criteria_enable; |
038d2ef8 | 2255 | |
466fa6d2 MG |
2256 | match_criteria_enable = |
2257 | (!HEADER_IS_ZERO(match_criteria, outer_headers)) << | |
2258 | MATCH_CRITERIA_ENABLE_OUTER_BIT; | |
2259 | match_criteria_enable |= | |
2260 | (!HEADER_IS_ZERO(match_criteria, misc_parameters)) << | |
2261 | MATCH_CRITERIA_ENABLE_MISC_BIT; | |
2262 | match_criteria_enable |= | |
2263 | (!HEADER_IS_ZERO(match_criteria, inner_headers)) << | |
2264 | MATCH_CRITERIA_ENABLE_INNER_BIT; | |
2265 | ||
2266 | return match_criteria_enable; | |
038d2ef8 MG |
2267 | } |
2268 | ||
ca0d4753 MG |
2269 | static void set_proto(void *outer_c, void *outer_v, u8 mask, u8 val) |
2270 | { | |
2271 | MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_protocol, mask); | |
2272 | MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_protocol, val); | |
038d2ef8 MG |
2273 | } |
2274 | ||
2d1e697e MR |
2275 | static void set_flow_label(void *misc_c, void *misc_v, u8 mask, u8 val, |
2276 | bool inner) | |
2277 | { | |
2278 | if (inner) { | |
2279 | MLX5_SET(fte_match_set_misc, | |
2280 | misc_c, inner_ipv6_flow_label, mask); | |
2281 | MLX5_SET(fte_match_set_misc, | |
2282 | misc_v, inner_ipv6_flow_label, val); | |
2283 | } else { | |
2284 | MLX5_SET(fte_match_set_misc, | |
2285 | misc_c, outer_ipv6_flow_label, mask); | |
2286 | MLX5_SET(fte_match_set_misc, | |
2287 | misc_v, outer_ipv6_flow_label, val); | |
2288 | } | |
2289 | } | |
2290 | ||
ca0d4753 MG |
2291 | static void set_tos(void *outer_c, void *outer_v, u8 mask, u8 val) |
2292 | { | |
2293 | MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_ecn, mask); | |
2294 | MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_ecn, val); | |
2295 | MLX5_SET(fte_match_set_lyr_2_4, outer_c, ip_dscp, mask >> 2); | |
2296 | MLX5_SET(fte_match_set_lyr_2_4, outer_v, ip_dscp, val >> 2); | |
2297 | } | |
2298 | ||
c47ac6ae MG |
2299 | #define LAST_ETH_FIELD vlan_tag |
2300 | #define LAST_IB_FIELD sl | |
ca0d4753 | 2301 | #define LAST_IPV4_FIELD tos |
466fa6d2 | 2302 | #define LAST_IPV6_FIELD traffic_class |
c47ac6ae | 2303 | #define LAST_TCP_UDP_FIELD src_port |
ffb30d8f | 2304 | #define LAST_TUNNEL_FIELD tunnel_id |
2ac693f9 | 2305 | #define LAST_FLOW_TAG_FIELD tag_id |
a22ed86c | 2306 | #define LAST_DROP_FIELD size |
c47ac6ae MG |
2307 | |
2308 | /* Field is the last supported field */ | |
2309 | #define FIELDS_NOT_SUPPORTED(filter, field)\ | |
2310 | memchr_inv((void *)&filter.field +\ | |
2311 | sizeof(filter.field), 0,\ | |
2312 | sizeof(filter) -\ | |
2313 | offsetof(typeof(filter), field) -\ | |
2314 | sizeof(filter.field)) | |
2315 | ||
19cc7524 AL |
2316 | static int parse_flow_attr(struct mlx5_core_dev *mdev, u32 *match_c, |
2317 | u32 *match_v, const union ib_flow_spec *ib_spec, | |
075572d4 | 2318 | struct mlx5_flow_act *action) |
038d2ef8 | 2319 | { |
466fa6d2 MG |
2320 | void *misc_params_c = MLX5_ADDR_OF(fte_match_param, match_c, |
2321 | misc_parameters); | |
2322 | void *misc_params_v = MLX5_ADDR_OF(fte_match_param, match_v, | |
2323 | misc_parameters); | |
2d1e697e MR |
2324 | void *headers_c; |
2325 | void *headers_v; | |
19cc7524 | 2326 | int match_ipv; |
2d1e697e MR |
2327 | |
2328 | if (ib_spec->type & IB_FLOW_SPEC_INNER) { | |
2329 | headers_c = MLX5_ADDR_OF(fte_match_param, match_c, | |
2330 | inner_headers); | |
2331 | headers_v = MLX5_ADDR_OF(fte_match_param, match_v, | |
2332 | inner_headers); | |
19cc7524 AL |
2333 | match_ipv = MLX5_CAP_FLOWTABLE_NIC_RX(mdev, |
2334 | ft_field_support.inner_ip_version); | |
2d1e697e MR |
2335 | } else { |
2336 | headers_c = MLX5_ADDR_OF(fte_match_param, match_c, | |
2337 | outer_headers); | |
2338 | headers_v = MLX5_ADDR_OF(fte_match_param, match_v, | |
2339 | outer_headers); | |
19cc7524 AL |
2340 | match_ipv = MLX5_CAP_FLOWTABLE_NIC_RX(mdev, |
2341 | ft_field_support.outer_ip_version); | |
2d1e697e | 2342 | } |
466fa6d2 | 2343 | |
2d1e697e | 2344 | switch (ib_spec->type & ~IB_FLOW_SPEC_INNER) { |
038d2ef8 | 2345 | case IB_FLOW_SPEC_ETH: |
c47ac6ae | 2346 | if (FIELDS_NOT_SUPPORTED(ib_spec->eth.mask, LAST_ETH_FIELD)) |
1ffd3a26 | 2347 | return -EOPNOTSUPP; |
038d2ef8 | 2348 | |
2d1e697e | 2349 | ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 MG |
2350 | dmac_47_16), |
2351 | ib_spec->eth.mask.dst_mac); | |
2d1e697e | 2352 | ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
2353 | dmac_47_16), |
2354 | ib_spec->eth.val.dst_mac); | |
2355 | ||
2d1e697e | 2356 | ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
ee3da804 MG |
2357 | smac_47_16), |
2358 | ib_spec->eth.mask.src_mac); | |
2d1e697e | 2359 | ether_addr_copy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
ee3da804 MG |
2360 | smac_47_16), |
2361 | ib_spec->eth.val.src_mac); | |
2362 | ||
038d2ef8 | 2363 | if (ib_spec->eth.mask.vlan_tag) { |
2d1e697e | 2364 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
10543365 | 2365 | cvlan_tag, 1); |
2d1e697e | 2366 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
10543365 | 2367 | cvlan_tag, 1); |
038d2ef8 | 2368 | |
2d1e697e | 2369 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 | 2370 | first_vid, ntohs(ib_spec->eth.mask.vlan_tag)); |
2d1e697e | 2371 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
2372 | first_vid, ntohs(ib_spec->eth.val.vlan_tag)); |
2373 | ||
2d1e697e | 2374 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 MG |
2375 | first_cfi, |
2376 | ntohs(ib_spec->eth.mask.vlan_tag) >> 12); | |
2d1e697e | 2377 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
2378 | first_cfi, |
2379 | ntohs(ib_spec->eth.val.vlan_tag) >> 12); | |
2380 | ||
2d1e697e | 2381 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 MG |
2382 | first_prio, |
2383 | ntohs(ib_spec->eth.mask.vlan_tag) >> 13); | |
2d1e697e | 2384 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
2385 | first_prio, |
2386 | ntohs(ib_spec->eth.val.vlan_tag) >> 13); | |
2387 | } | |
2d1e697e | 2388 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 | 2389 | ethertype, ntohs(ib_spec->eth.mask.ether_type)); |
2d1e697e | 2390 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
2391 | ethertype, ntohs(ib_spec->eth.val.ether_type)); |
2392 | break; | |
2393 | case IB_FLOW_SPEC_IPV4: | |
c47ac6ae | 2394 | if (FIELDS_NOT_SUPPORTED(ib_spec->ipv4.mask, LAST_IPV4_FIELD)) |
1ffd3a26 | 2395 | return -EOPNOTSUPP; |
038d2ef8 | 2396 | |
19cc7524 AL |
2397 | if (match_ipv) { |
2398 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, | |
2399 | ip_version, 0xf); | |
2400 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, | |
3346c487 | 2401 | ip_version, MLX5_FS_IPV4_VERSION); |
19cc7524 AL |
2402 | } else { |
2403 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, | |
2404 | ethertype, 0xffff); | |
2405 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, | |
2406 | ethertype, ETH_P_IP); | |
2407 | } | |
038d2ef8 | 2408 | |
2d1e697e | 2409 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 MG |
2410 | src_ipv4_src_ipv6.ipv4_layout.ipv4), |
2411 | &ib_spec->ipv4.mask.src_ip, | |
2412 | sizeof(ib_spec->ipv4.mask.src_ip)); | |
2d1e697e | 2413 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
2414 | src_ipv4_src_ipv6.ipv4_layout.ipv4), |
2415 | &ib_spec->ipv4.val.src_ip, | |
2416 | sizeof(ib_spec->ipv4.val.src_ip)); | |
2d1e697e | 2417 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
038d2ef8 MG |
2418 | dst_ipv4_dst_ipv6.ipv4_layout.ipv4), |
2419 | &ib_spec->ipv4.mask.dst_ip, | |
2420 | sizeof(ib_spec->ipv4.mask.dst_ip)); | |
2d1e697e | 2421 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
038d2ef8 MG |
2422 | dst_ipv4_dst_ipv6.ipv4_layout.ipv4), |
2423 | &ib_spec->ipv4.val.dst_ip, | |
2424 | sizeof(ib_spec->ipv4.val.dst_ip)); | |
ca0d4753 | 2425 | |
2d1e697e | 2426 | set_tos(headers_c, headers_v, |
ca0d4753 MG |
2427 | ib_spec->ipv4.mask.tos, ib_spec->ipv4.val.tos); |
2428 | ||
2d1e697e | 2429 | set_proto(headers_c, headers_v, |
ca0d4753 | 2430 | ib_spec->ipv4.mask.proto, ib_spec->ipv4.val.proto); |
038d2ef8 | 2431 | break; |
026bae0c | 2432 | case IB_FLOW_SPEC_IPV6: |
c47ac6ae | 2433 | if (FIELDS_NOT_SUPPORTED(ib_spec->ipv6.mask, LAST_IPV6_FIELD)) |
1ffd3a26 | 2434 | return -EOPNOTSUPP; |
026bae0c | 2435 | |
19cc7524 AL |
2436 | if (match_ipv) { |
2437 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, | |
2438 | ip_version, 0xf); | |
2439 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, | |
3346c487 | 2440 | ip_version, MLX5_FS_IPV6_VERSION); |
19cc7524 AL |
2441 | } else { |
2442 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, | |
2443 | ethertype, 0xffff); | |
2444 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, | |
2445 | ethertype, ETH_P_IPV6); | |
2446 | } | |
026bae0c | 2447 | |
2d1e697e | 2448 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
026bae0c MG |
2449 | src_ipv4_src_ipv6.ipv6_layout.ipv6), |
2450 | &ib_spec->ipv6.mask.src_ip, | |
2451 | sizeof(ib_spec->ipv6.mask.src_ip)); | |
2d1e697e | 2452 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
026bae0c MG |
2453 | src_ipv4_src_ipv6.ipv6_layout.ipv6), |
2454 | &ib_spec->ipv6.val.src_ip, | |
2455 | sizeof(ib_spec->ipv6.val.src_ip)); | |
2d1e697e | 2456 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_c, |
026bae0c MG |
2457 | dst_ipv4_dst_ipv6.ipv6_layout.ipv6), |
2458 | &ib_spec->ipv6.mask.dst_ip, | |
2459 | sizeof(ib_spec->ipv6.mask.dst_ip)); | |
2d1e697e | 2460 | memcpy(MLX5_ADDR_OF(fte_match_set_lyr_2_4, headers_v, |
026bae0c MG |
2461 | dst_ipv4_dst_ipv6.ipv6_layout.ipv6), |
2462 | &ib_spec->ipv6.val.dst_ip, | |
2463 | sizeof(ib_spec->ipv6.val.dst_ip)); | |
466fa6d2 | 2464 | |
2d1e697e | 2465 | set_tos(headers_c, headers_v, |
466fa6d2 MG |
2466 | ib_spec->ipv6.mask.traffic_class, |
2467 | ib_spec->ipv6.val.traffic_class); | |
2468 | ||
2d1e697e | 2469 | set_proto(headers_c, headers_v, |
466fa6d2 MG |
2470 | ib_spec->ipv6.mask.next_hdr, |
2471 | ib_spec->ipv6.val.next_hdr); | |
2472 | ||
2d1e697e MR |
2473 | set_flow_label(misc_params_c, misc_params_v, |
2474 | ntohl(ib_spec->ipv6.mask.flow_label), | |
2475 | ntohl(ib_spec->ipv6.val.flow_label), | |
2476 | ib_spec->type & IB_FLOW_SPEC_INNER); | |
2477 | ||
026bae0c | 2478 | break; |
038d2ef8 | 2479 | case IB_FLOW_SPEC_TCP: |
c47ac6ae MG |
2480 | if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, |
2481 | LAST_TCP_UDP_FIELD)) | |
1ffd3a26 | 2482 | return -EOPNOTSUPP; |
038d2ef8 | 2483 | |
2d1e697e | 2484 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, |
038d2ef8 | 2485 | 0xff); |
2d1e697e | 2486 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, |
038d2ef8 MG |
2487 | IPPROTO_TCP); |
2488 | ||
2d1e697e | 2489 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_sport, |
038d2ef8 | 2490 | ntohs(ib_spec->tcp_udp.mask.src_port)); |
2d1e697e | 2491 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_sport, |
038d2ef8 MG |
2492 | ntohs(ib_spec->tcp_udp.val.src_port)); |
2493 | ||
2d1e697e | 2494 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, tcp_dport, |
038d2ef8 | 2495 | ntohs(ib_spec->tcp_udp.mask.dst_port)); |
2d1e697e | 2496 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, tcp_dport, |
038d2ef8 MG |
2497 | ntohs(ib_spec->tcp_udp.val.dst_port)); |
2498 | break; | |
2499 | case IB_FLOW_SPEC_UDP: | |
c47ac6ae MG |
2500 | if (FIELDS_NOT_SUPPORTED(ib_spec->tcp_udp.mask, |
2501 | LAST_TCP_UDP_FIELD)) | |
1ffd3a26 | 2502 | return -EOPNOTSUPP; |
038d2ef8 | 2503 | |
2d1e697e | 2504 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, ip_protocol, |
038d2ef8 | 2505 | 0xff); |
2d1e697e | 2506 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, ip_protocol, |
038d2ef8 MG |
2507 | IPPROTO_UDP); |
2508 | ||
2d1e697e | 2509 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, udp_sport, |
038d2ef8 | 2510 | ntohs(ib_spec->tcp_udp.mask.src_port)); |
2d1e697e | 2511 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_sport, |
038d2ef8 MG |
2512 | ntohs(ib_spec->tcp_udp.val.src_port)); |
2513 | ||
2d1e697e | 2514 | MLX5_SET(fte_match_set_lyr_2_4, headers_c, udp_dport, |
038d2ef8 | 2515 | ntohs(ib_spec->tcp_udp.mask.dst_port)); |
2d1e697e | 2516 | MLX5_SET(fte_match_set_lyr_2_4, headers_v, udp_dport, |
038d2ef8 MG |
2517 | ntohs(ib_spec->tcp_udp.val.dst_port)); |
2518 | break; | |
ffb30d8f MR |
2519 | case IB_FLOW_SPEC_VXLAN_TUNNEL: |
2520 | if (FIELDS_NOT_SUPPORTED(ib_spec->tunnel.mask, | |
2521 | LAST_TUNNEL_FIELD)) | |
1ffd3a26 | 2522 | return -EOPNOTSUPP; |
ffb30d8f MR |
2523 | |
2524 | MLX5_SET(fte_match_set_misc, misc_params_c, vxlan_vni, | |
2525 | ntohl(ib_spec->tunnel.mask.tunnel_id)); | |
2526 | MLX5_SET(fte_match_set_misc, misc_params_v, vxlan_vni, | |
2527 | ntohl(ib_spec->tunnel.val.tunnel_id)); | |
2528 | break; | |
2ac693f9 MR |
2529 | case IB_FLOW_SPEC_ACTION_TAG: |
2530 | if (FIELDS_NOT_SUPPORTED(ib_spec->flow_tag, | |
2531 | LAST_FLOW_TAG_FIELD)) | |
2532 | return -EOPNOTSUPP; | |
2533 | if (ib_spec->flow_tag.tag_id >= BIT(24)) | |
2534 | return -EINVAL; | |
2535 | ||
075572d4 | 2536 | action->flow_tag = ib_spec->flow_tag.tag_id; |
a9db0ecf | 2537 | action->has_flow_tag = true; |
2ac693f9 | 2538 | break; |
a22ed86c SS |
2539 | case IB_FLOW_SPEC_ACTION_DROP: |
2540 | if (FIELDS_NOT_SUPPORTED(ib_spec->drop, | |
2541 | LAST_DROP_FIELD)) | |
2542 | return -EOPNOTSUPP; | |
075572d4 | 2543 | action->action |= MLX5_FLOW_CONTEXT_ACTION_DROP; |
a22ed86c | 2544 | break; |
038d2ef8 MG |
2545 | default: |
2546 | return -EINVAL; | |
2547 | } | |
2548 | ||
2549 | return 0; | |
2550 | } | |
2551 | ||
2552 | /* If a flow could catch both multicast and unicast packets, | |
2553 | * it won't fall into the multicast flow steering table and this rule | |
2554 | * could steal other multicast packets. | |
2555 | */ | |
a550ddfc | 2556 | static bool flow_is_multicast_only(const struct ib_flow_attr *ib_attr) |
038d2ef8 | 2557 | { |
81e30880 | 2558 | union ib_flow_spec *flow_spec; |
038d2ef8 MG |
2559 | |
2560 | if (ib_attr->type != IB_FLOW_ATTR_NORMAL || | |
038d2ef8 MG |
2561 | ib_attr->num_of_specs < 1) |
2562 | return false; | |
2563 | ||
81e30880 YH |
2564 | flow_spec = (union ib_flow_spec *)(ib_attr + 1); |
2565 | if (flow_spec->type == IB_FLOW_SPEC_IPV4) { | |
2566 | struct ib_flow_spec_ipv4 *ipv4_spec; | |
2567 | ||
2568 | ipv4_spec = (struct ib_flow_spec_ipv4 *)flow_spec; | |
2569 | if (ipv4_is_multicast(ipv4_spec->val.dst_ip)) | |
2570 | return true; | |
2571 | ||
038d2ef8 | 2572 | return false; |
81e30880 YH |
2573 | } |
2574 | ||
2575 | if (flow_spec->type == IB_FLOW_SPEC_ETH) { | |
2576 | struct ib_flow_spec_eth *eth_spec; | |
2577 | ||
2578 | eth_spec = (struct ib_flow_spec_eth *)flow_spec; | |
2579 | return is_multicast_ether_addr(eth_spec->mask.dst_mac) && | |
2580 | is_multicast_ether_addr(eth_spec->val.dst_mac); | |
2581 | } | |
038d2ef8 | 2582 | |
81e30880 | 2583 | return false; |
038d2ef8 MG |
2584 | } |
2585 | ||
19cc7524 AL |
2586 | static bool is_valid_ethertype(struct mlx5_core_dev *mdev, |
2587 | const struct ib_flow_attr *flow_attr, | |
0f750966 | 2588 | bool check_inner) |
038d2ef8 MG |
2589 | { |
2590 | union ib_flow_spec *ib_spec = (union ib_flow_spec *)(flow_attr + 1); | |
19cc7524 AL |
2591 | int match_ipv = check_inner ? |
2592 | MLX5_CAP_FLOWTABLE_NIC_RX(mdev, | |
2593 | ft_field_support.inner_ip_version) : | |
2594 | MLX5_CAP_FLOWTABLE_NIC_RX(mdev, | |
2595 | ft_field_support.outer_ip_version); | |
0f750966 AL |
2596 | int inner_bit = check_inner ? IB_FLOW_SPEC_INNER : 0; |
2597 | bool ipv4_spec_valid, ipv6_spec_valid; | |
2598 | unsigned int ip_spec_type = 0; | |
2599 | bool has_ethertype = false; | |
038d2ef8 | 2600 | unsigned int spec_index; |
0f750966 AL |
2601 | bool mask_valid = true; |
2602 | u16 eth_type = 0; | |
2603 | bool type_valid; | |
038d2ef8 MG |
2604 | |
2605 | /* Validate that ethertype is correct */ | |
2606 | for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { | |
0f750966 | 2607 | if ((ib_spec->type == (IB_FLOW_SPEC_ETH | inner_bit)) && |
038d2ef8 | 2608 | ib_spec->eth.mask.ether_type) { |
0f750966 AL |
2609 | mask_valid = (ib_spec->eth.mask.ether_type == |
2610 | htons(0xffff)); | |
2611 | has_ethertype = true; | |
2612 | eth_type = ntohs(ib_spec->eth.val.ether_type); | |
2613 | } else if ((ib_spec->type == (IB_FLOW_SPEC_IPV4 | inner_bit)) || | |
2614 | (ib_spec->type == (IB_FLOW_SPEC_IPV6 | inner_bit))) { | |
2615 | ip_spec_type = ib_spec->type; | |
038d2ef8 MG |
2616 | } |
2617 | ib_spec = (void *)ib_spec + ib_spec->size; | |
2618 | } | |
0f750966 AL |
2619 | |
2620 | type_valid = (!has_ethertype) || (!ip_spec_type); | |
2621 | if (!type_valid && mask_valid) { | |
2622 | ipv4_spec_valid = (eth_type == ETH_P_IP) && | |
2623 | (ip_spec_type == (IB_FLOW_SPEC_IPV4 | inner_bit)); | |
2624 | ipv6_spec_valid = (eth_type == ETH_P_IPV6) && | |
2625 | (ip_spec_type == (IB_FLOW_SPEC_IPV6 | inner_bit)); | |
19cc7524 AL |
2626 | |
2627 | type_valid = (ipv4_spec_valid) || (ipv6_spec_valid) || | |
2628 | (((eth_type == ETH_P_MPLS_UC) || | |
2629 | (eth_type == ETH_P_MPLS_MC)) && match_ipv); | |
0f750966 AL |
2630 | } |
2631 | ||
2632 | return type_valid; | |
2633 | } | |
2634 | ||
19cc7524 AL |
2635 | static bool is_valid_attr(struct mlx5_core_dev *mdev, |
2636 | const struct ib_flow_attr *flow_attr) | |
0f750966 | 2637 | { |
19cc7524 AL |
2638 | return is_valid_ethertype(mdev, flow_attr, false) && |
2639 | is_valid_ethertype(mdev, flow_attr, true); | |
038d2ef8 MG |
2640 | } |
2641 | ||
2642 | static void put_flow_table(struct mlx5_ib_dev *dev, | |
2643 | struct mlx5_ib_flow_prio *prio, bool ft_added) | |
2644 | { | |
2645 | prio->refcount -= !!ft_added; | |
2646 | if (!prio->refcount) { | |
2647 | mlx5_destroy_flow_table(prio->flow_table); | |
2648 | prio->flow_table = NULL; | |
2649 | } | |
2650 | } | |
2651 | ||
2652 | static int mlx5_ib_destroy_flow(struct ib_flow *flow_id) | |
2653 | { | |
2654 | struct mlx5_ib_dev *dev = to_mdev(flow_id->qp->device); | |
2655 | struct mlx5_ib_flow_handler *handler = container_of(flow_id, | |
2656 | struct mlx5_ib_flow_handler, | |
2657 | ibflow); | |
2658 | struct mlx5_ib_flow_handler *iter, *tmp; | |
2659 | ||
9a4ca38d | 2660 | mutex_lock(&dev->flow_db->lock); |
038d2ef8 MG |
2661 | |
2662 | list_for_each_entry_safe(iter, tmp, &handler->list, list) { | |
74491de9 | 2663 | mlx5_del_flow_rules(iter->rule); |
cc0e5d42 | 2664 | put_flow_table(dev, iter->prio, true); |
038d2ef8 MG |
2665 | list_del(&iter->list); |
2666 | kfree(iter); | |
2667 | } | |
2668 | ||
74491de9 | 2669 | mlx5_del_flow_rules(handler->rule); |
5497adc6 | 2670 | put_flow_table(dev, handler->prio, true); |
9a4ca38d | 2671 | mutex_unlock(&dev->flow_db->lock); |
038d2ef8 MG |
2672 | |
2673 | kfree(handler); | |
2674 | ||
2675 | return 0; | |
2676 | } | |
2677 | ||
35d19011 MG |
2678 | static int ib_prio_to_core_prio(unsigned int priority, bool dont_trap) |
2679 | { | |
2680 | priority *= 2; | |
2681 | if (!dont_trap) | |
2682 | priority++; | |
2683 | return priority; | |
2684 | } | |
2685 | ||
cc0e5d42 MG |
2686 | enum flow_table_type { |
2687 | MLX5_IB_FT_RX, | |
2688 | MLX5_IB_FT_TX | |
2689 | }; | |
2690 | ||
00b7c2ab MG |
2691 | #define MLX5_FS_MAX_TYPES 6 |
2692 | #define MLX5_FS_MAX_ENTRIES BIT(16) | |
038d2ef8 | 2693 | static struct mlx5_ib_flow_prio *get_flow_table(struct mlx5_ib_dev *dev, |
cc0e5d42 MG |
2694 | struct ib_flow_attr *flow_attr, |
2695 | enum flow_table_type ft_type) | |
038d2ef8 | 2696 | { |
35d19011 | 2697 | bool dont_trap = flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP; |
038d2ef8 MG |
2698 | struct mlx5_flow_namespace *ns = NULL; |
2699 | struct mlx5_ib_flow_prio *prio; | |
2700 | struct mlx5_flow_table *ft; | |
dac388ef | 2701 | int max_table_size; |
038d2ef8 MG |
2702 | int num_entries; |
2703 | int num_groups; | |
2704 | int priority; | |
2705 | int err = 0; | |
2706 | ||
dac388ef MG |
2707 | max_table_size = BIT(MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, |
2708 | log_max_ft_size)); | |
038d2ef8 | 2709 | if (flow_attr->type == IB_FLOW_ATTR_NORMAL) { |
35d19011 MG |
2710 | if (flow_is_multicast_only(flow_attr) && |
2711 | !dont_trap) | |
038d2ef8 MG |
2712 | priority = MLX5_IB_FLOW_MCAST_PRIO; |
2713 | else | |
35d19011 MG |
2714 | priority = ib_prio_to_core_prio(flow_attr->priority, |
2715 | dont_trap); | |
038d2ef8 MG |
2716 | ns = mlx5_get_flow_namespace(dev->mdev, |
2717 | MLX5_FLOW_NAMESPACE_BYPASS); | |
2718 | num_entries = MLX5_FS_MAX_ENTRIES; | |
2719 | num_groups = MLX5_FS_MAX_TYPES; | |
9a4ca38d | 2720 | prio = &dev->flow_db->prios[priority]; |
038d2ef8 MG |
2721 | } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || |
2722 | flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) { | |
2723 | ns = mlx5_get_flow_namespace(dev->mdev, | |
2724 | MLX5_FLOW_NAMESPACE_LEFTOVERS); | |
2725 | build_leftovers_ft_param(&priority, | |
2726 | &num_entries, | |
2727 | &num_groups); | |
9a4ca38d | 2728 | prio = &dev->flow_db->prios[MLX5_IB_FLOW_LEFTOVERS_PRIO]; |
cc0e5d42 MG |
2729 | } else if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { |
2730 | if (!MLX5_CAP_FLOWTABLE(dev->mdev, | |
2731 | allow_sniffer_and_nic_rx_shared_tir)) | |
2732 | return ERR_PTR(-ENOTSUPP); | |
2733 | ||
2734 | ns = mlx5_get_flow_namespace(dev->mdev, ft_type == MLX5_IB_FT_RX ? | |
2735 | MLX5_FLOW_NAMESPACE_SNIFFER_RX : | |
2736 | MLX5_FLOW_NAMESPACE_SNIFFER_TX); | |
2737 | ||
9a4ca38d | 2738 | prio = &dev->flow_db->sniffer[ft_type]; |
cc0e5d42 MG |
2739 | priority = 0; |
2740 | num_entries = 1; | |
2741 | num_groups = 1; | |
038d2ef8 MG |
2742 | } |
2743 | ||
2744 | if (!ns) | |
2745 | return ERR_PTR(-ENOTSUPP); | |
2746 | ||
dac388ef MG |
2747 | if (num_entries > max_table_size) |
2748 | return ERR_PTR(-ENOMEM); | |
2749 | ||
038d2ef8 MG |
2750 | ft = prio->flow_table; |
2751 | if (!ft) { | |
2752 | ft = mlx5_create_auto_grouped_flow_table(ns, priority, | |
2753 | num_entries, | |
d63cd286 | 2754 | num_groups, |
c9f1b073 | 2755 | 0, 0); |
038d2ef8 MG |
2756 | |
2757 | if (!IS_ERR(ft)) { | |
2758 | prio->refcount = 0; | |
2759 | prio->flow_table = ft; | |
2760 | } else { | |
2761 | err = PTR_ERR(ft); | |
2762 | } | |
2763 | } | |
2764 | ||
2765 | return err ? ERR_PTR(err) : prio; | |
2766 | } | |
2767 | ||
a550ddfc YH |
2768 | static void set_underlay_qp(struct mlx5_ib_dev *dev, |
2769 | struct mlx5_flow_spec *spec, | |
2770 | u32 underlay_qpn) | |
2771 | { | |
2772 | void *misc_params_c = MLX5_ADDR_OF(fte_match_param, | |
2773 | spec->match_criteria, | |
2774 | misc_parameters); | |
2775 | void *misc_params_v = MLX5_ADDR_OF(fte_match_param, spec->match_value, | |
2776 | misc_parameters); | |
2777 | ||
2778 | if (underlay_qpn && | |
2779 | MLX5_CAP_FLOWTABLE_NIC_RX(dev->mdev, | |
2780 | ft_field_support.bth_dst_qp)) { | |
2781 | MLX5_SET(fte_match_set_misc, | |
2782 | misc_params_v, bth_dst_qp, underlay_qpn); | |
2783 | MLX5_SET(fte_match_set_misc, | |
2784 | misc_params_c, bth_dst_qp, 0xffffff); | |
2785 | } | |
2786 | } | |
2787 | ||
2788 | static struct mlx5_ib_flow_handler *_create_flow_rule(struct mlx5_ib_dev *dev, | |
2789 | struct mlx5_ib_flow_prio *ft_prio, | |
2790 | const struct ib_flow_attr *flow_attr, | |
2791 | struct mlx5_flow_destination *dst, | |
2792 | u32 underlay_qpn) | |
038d2ef8 MG |
2793 | { |
2794 | struct mlx5_flow_table *ft = ft_prio->flow_table; | |
2795 | struct mlx5_ib_flow_handler *handler; | |
075572d4 | 2796 | struct mlx5_flow_act flow_act = {.flow_tag = MLX5_FS_DEFAULT_FLOW_TAG}; |
c5bb1730 | 2797 | struct mlx5_flow_spec *spec; |
a22ed86c | 2798 | struct mlx5_flow_destination *rule_dst = dst; |
dd063d0e | 2799 | const void *ib_flow = (const void *)flow_attr + sizeof(*flow_attr); |
038d2ef8 | 2800 | unsigned int spec_index; |
038d2ef8 | 2801 | int err = 0; |
a22ed86c | 2802 | int dest_num = 1; |
038d2ef8 | 2803 | |
19cc7524 | 2804 | if (!is_valid_attr(dev->mdev, flow_attr)) |
038d2ef8 MG |
2805 | return ERR_PTR(-EINVAL); |
2806 | ||
1b9a07ee | 2807 | spec = kvzalloc(sizeof(*spec), GFP_KERNEL); |
038d2ef8 | 2808 | handler = kzalloc(sizeof(*handler), GFP_KERNEL); |
c5bb1730 | 2809 | if (!handler || !spec) { |
038d2ef8 MG |
2810 | err = -ENOMEM; |
2811 | goto free; | |
2812 | } | |
2813 | ||
2814 | INIT_LIST_HEAD(&handler->list); | |
2815 | ||
2816 | for (spec_index = 0; spec_index < flow_attr->num_of_specs; spec_index++) { | |
19cc7524 | 2817 | err = parse_flow_attr(dev->mdev, spec->match_criteria, |
a22ed86c | 2818 | spec->match_value, |
075572d4 | 2819 | ib_flow, &flow_act); |
038d2ef8 MG |
2820 | if (err < 0) |
2821 | goto free; | |
2822 | ||
2823 | ib_flow += ((union ib_flow_spec *)ib_flow)->size; | |
2824 | } | |
2825 | ||
a550ddfc YH |
2826 | if (!flow_is_multicast_only(flow_attr)) |
2827 | set_underlay_qp(dev, spec, underlay_qpn); | |
2828 | ||
018a94ee MB |
2829 | if (dev->rep) { |
2830 | void *misc; | |
2831 | ||
2832 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_value, | |
2833 | misc_parameters); | |
2834 | MLX5_SET(fte_match_set_misc, misc, source_port, | |
2835 | dev->rep->vport); | |
2836 | misc = MLX5_ADDR_OF(fte_match_param, spec->match_criteria, | |
2837 | misc_parameters); | |
2838 | MLX5_SET_TO_ONES(fte_match_set_misc, misc, source_port); | |
2839 | } | |
2840 | ||
466fa6d2 | 2841 | spec->match_criteria_enable = get_match_criteria_enable(spec->match_criteria); |
075572d4 | 2842 | if (flow_act.action & MLX5_FLOW_CONTEXT_ACTION_DROP) { |
a22ed86c SS |
2843 | rule_dst = NULL; |
2844 | dest_num = 0; | |
2845 | } else { | |
2846 | flow_act.action = dst ? MLX5_FLOW_CONTEXT_ACTION_FWD_DEST : | |
2847 | MLX5_FLOW_CONTEXT_ACTION_FWD_NEXT_PRIO; | |
2848 | } | |
2ac693f9 | 2849 | |
a9db0ecf | 2850 | if (flow_act.has_flow_tag && |
2ac693f9 MR |
2851 | (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || |
2852 | flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT)) { | |
2853 | mlx5_ib_warn(dev, "Flow tag %u and attribute type %x isn't allowed in leftovers\n", | |
075572d4 | 2854 | flow_act.flow_tag, flow_attr->type); |
2ac693f9 MR |
2855 | err = -EINVAL; |
2856 | goto free; | |
2857 | } | |
74491de9 | 2858 | handler->rule = mlx5_add_flow_rules(ft, spec, |
66958ed9 | 2859 | &flow_act, |
a22ed86c | 2860 | rule_dst, dest_num); |
038d2ef8 MG |
2861 | |
2862 | if (IS_ERR(handler->rule)) { | |
2863 | err = PTR_ERR(handler->rule); | |
2864 | goto free; | |
2865 | } | |
2866 | ||
d9d4980a | 2867 | ft_prio->refcount++; |
5497adc6 | 2868 | handler->prio = ft_prio; |
038d2ef8 MG |
2869 | |
2870 | ft_prio->flow_table = ft; | |
2871 | free: | |
2872 | if (err) | |
2873 | kfree(handler); | |
c5bb1730 | 2874 | kvfree(spec); |
038d2ef8 MG |
2875 | return err ? ERR_PTR(err) : handler; |
2876 | } | |
2877 | ||
a550ddfc YH |
2878 | static struct mlx5_ib_flow_handler *create_flow_rule(struct mlx5_ib_dev *dev, |
2879 | struct mlx5_ib_flow_prio *ft_prio, | |
2880 | const struct ib_flow_attr *flow_attr, | |
2881 | struct mlx5_flow_destination *dst) | |
2882 | { | |
2883 | return _create_flow_rule(dev, ft_prio, flow_attr, dst, 0); | |
2884 | } | |
2885 | ||
35d19011 MG |
2886 | static struct mlx5_ib_flow_handler *create_dont_trap_rule(struct mlx5_ib_dev *dev, |
2887 | struct mlx5_ib_flow_prio *ft_prio, | |
2888 | struct ib_flow_attr *flow_attr, | |
2889 | struct mlx5_flow_destination *dst) | |
2890 | { | |
2891 | struct mlx5_ib_flow_handler *handler_dst = NULL; | |
2892 | struct mlx5_ib_flow_handler *handler = NULL; | |
2893 | ||
2894 | handler = create_flow_rule(dev, ft_prio, flow_attr, NULL); | |
2895 | if (!IS_ERR(handler)) { | |
2896 | handler_dst = create_flow_rule(dev, ft_prio, | |
2897 | flow_attr, dst); | |
2898 | if (IS_ERR(handler_dst)) { | |
74491de9 | 2899 | mlx5_del_flow_rules(handler->rule); |
d9d4980a | 2900 | ft_prio->refcount--; |
35d19011 MG |
2901 | kfree(handler); |
2902 | handler = handler_dst; | |
2903 | } else { | |
2904 | list_add(&handler_dst->list, &handler->list); | |
2905 | } | |
2906 | } | |
2907 | ||
2908 | return handler; | |
2909 | } | |
038d2ef8 MG |
2910 | enum { |
2911 | LEFTOVERS_MC, | |
2912 | LEFTOVERS_UC, | |
2913 | }; | |
2914 | ||
2915 | static struct mlx5_ib_flow_handler *create_leftovers_rule(struct mlx5_ib_dev *dev, | |
2916 | struct mlx5_ib_flow_prio *ft_prio, | |
2917 | struct ib_flow_attr *flow_attr, | |
2918 | struct mlx5_flow_destination *dst) | |
2919 | { | |
2920 | struct mlx5_ib_flow_handler *handler_ucast = NULL; | |
2921 | struct mlx5_ib_flow_handler *handler = NULL; | |
2922 | ||
2923 | static struct { | |
2924 | struct ib_flow_attr flow_attr; | |
2925 | struct ib_flow_spec_eth eth_flow; | |
2926 | } leftovers_specs[] = { | |
2927 | [LEFTOVERS_MC] = { | |
2928 | .flow_attr = { | |
2929 | .num_of_specs = 1, | |
2930 | .size = sizeof(leftovers_specs[0]) | |
2931 | }, | |
2932 | .eth_flow = { | |
2933 | .type = IB_FLOW_SPEC_ETH, | |
2934 | .size = sizeof(struct ib_flow_spec_eth), | |
2935 | .mask = {.dst_mac = {0x1} }, | |
2936 | .val = {.dst_mac = {0x1} } | |
2937 | } | |
2938 | }, | |
2939 | [LEFTOVERS_UC] = { | |
2940 | .flow_attr = { | |
2941 | .num_of_specs = 1, | |
2942 | .size = sizeof(leftovers_specs[0]) | |
2943 | }, | |
2944 | .eth_flow = { | |
2945 | .type = IB_FLOW_SPEC_ETH, | |
2946 | .size = sizeof(struct ib_flow_spec_eth), | |
2947 | .mask = {.dst_mac = {0x1} }, | |
2948 | .val = {.dst_mac = {} } | |
2949 | } | |
2950 | } | |
2951 | }; | |
2952 | ||
2953 | handler = create_flow_rule(dev, ft_prio, | |
2954 | &leftovers_specs[LEFTOVERS_MC].flow_attr, | |
2955 | dst); | |
2956 | if (!IS_ERR(handler) && | |
2957 | flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT) { | |
2958 | handler_ucast = create_flow_rule(dev, ft_prio, | |
2959 | &leftovers_specs[LEFTOVERS_UC].flow_attr, | |
2960 | dst); | |
2961 | if (IS_ERR(handler_ucast)) { | |
74491de9 | 2962 | mlx5_del_flow_rules(handler->rule); |
d9d4980a | 2963 | ft_prio->refcount--; |
038d2ef8 MG |
2964 | kfree(handler); |
2965 | handler = handler_ucast; | |
2966 | } else { | |
2967 | list_add(&handler_ucast->list, &handler->list); | |
2968 | } | |
2969 | } | |
2970 | ||
2971 | return handler; | |
2972 | } | |
2973 | ||
cc0e5d42 MG |
2974 | static struct mlx5_ib_flow_handler *create_sniffer_rule(struct mlx5_ib_dev *dev, |
2975 | struct mlx5_ib_flow_prio *ft_rx, | |
2976 | struct mlx5_ib_flow_prio *ft_tx, | |
2977 | struct mlx5_flow_destination *dst) | |
2978 | { | |
2979 | struct mlx5_ib_flow_handler *handler_rx; | |
2980 | struct mlx5_ib_flow_handler *handler_tx; | |
2981 | int err; | |
2982 | static const struct ib_flow_attr flow_attr = { | |
2983 | .num_of_specs = 0, | |
2984 | .size = sizeof(flow_attr) | |
2985 | }; | |
2986 | ||
2987 | handler_rx = create_flow_rule(dev, ft_rx, &flow_attr, dst); | |
2988 | if (IS_ERR(handler_rx)) { | |
2989 | err = PTR_ERR(handler_rx); | |
2990 | goto err; | |
2991 | } | |
2992 | ||
2993 | handler_tx = create_flow_rule(dev, ft_tx, &flow_attr, dst); | |
2994 | if (IS_ERR(handler_tx)) { | |
2995 | err = PTR_ERR(handler_tx); | |
2996 | goto err_tx; | |
2997 | } | |
2998 | ||
2999 | list_add(&handler_tx->list, &handler_rx->list); | |
3000 | ||
3001 | return handler_rx; | |
3002 | ||
3003 | err_tx: | |
74491de9 | 3004 | mlx5_del_flow_rules(handler_rx->rule); |
cc0e5d42 MG |
3005 | ft_rx->refcount--; |
3006 | kfree(handler_rx); | |
3007 | err: | |
3008 | return ERR_PTR(err); | |
3009 | } | |
3010 | ||
038d2ef8 MG |
3011 | static struct ib_flow *mlx5_ib_create_flow(struct ib_qp *qp, |
3012 | struct ib_flow_attr *flow_attr, | |
3013 | int domain) | |
3014 | { | |
3015 | struct mlx5_ib_dev *dev = to_mdev(qp->device); | |
d9f88e5a | 3016 | struct mlx5_ib_qp *mqp = to_mqp(qp); |
038d2ef8 MG |
3017 | struct mlx5_ib_flow_handler *handler = NULL; |
3018 | struct mlx5_flow_destination *dst = NULL; | |
cc0e5d42 | 3019 | struct mlx5_ib_flow_prio *ft_prio_tx = NULL; |
038d2ef8 MG |
3020 | struct mlx5_ib_flow_prio *ft_prio; |
3021 | int err; | |
a550ddfc | 3022 | int underlay_qpn; |
038d2ef8 MG |
3023 | |
3024 | if (flow_attr->priority > MLX5_IB_FLOW_LAST_PRIO) | |
dac388ef | 3025 | return ERR_PTR(-ENOMEM); |
038d2ef8 MG |
3026 | |
3027 | if (domain != IB_FLOW_DOMAIN_USER || | |
508562d6 | 3028 | flow_attr->port > dev->num_ports || |
35d19011 | 3029 | (flow_attr->flags & ~IB_FLOW_ATTR_FLAGS_DONT_TRAP)) |
038d2ef8 MG |
3030 | return ERR_PTR(-EINVAL); |
3031 | ||
3032 | dst = kzalloc(sizeof(*dst), GFP_KERNEL); | |
3033 | if (!dst) | |
3034 | return ERR_PTR(-ENOMEM); | |
3035 | ||
9a4ca38d | 3036 | mutex_lock(&dev->flow_db->lock); |
038d2ef8 | 3037 | |
cc0e5d42 | 3038 | ft_prio = get_flow_table(dev, flow_attr, MLX5_IB_FT_RX); |
038d2ef8 MG |
3039 | if (IS_ERR(ft_prio)) { |
3040 | err = PTR_ERR(ft_prio); | |
3041 | goto unlock; | |
3042 | } | |
cc0e5d42 MG |
3043 | if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { |
3044 | ft_prio_tx = get_flow_table(dev, flow_attr, MLX5_IB_FT_TX); | |
3045 | if (IS_ERR(ft_prio_tx)) { | |
3046 | err = PTR_ERR(ft_prio_tx); | |
3047 | ft_prio_tx = NULL; | |
3048 | goto destroy_ft; | |
3049 | } | |
3050 | } | |
038d2ef8 MG |
3051 | |
3052 | dst->type = MLX5_FLOW_DESTINATION_TYPE_TIR; | |
d9f88e5a YH |
3053 | if (mqp->flags & MLX5_IB_QP_RSS) |
3054 | dst->tir_num = mqp->rss_qp.tirn; | |
3055 | else | |
3056 | dst->tir_num = mqp->raw_packet_qp.rq.tirn; | |
038d2ef8 MG |
3057 | |
3058 | if (flow_attr->type == IB_FLOW_ATTR_NORMAL) { | |
35d19011 MG |
3059 | if (flow_attr->flags & IB_FLOW_ATTR_FLAGS_DONT_TRAP) { |
3060 | handler = create_dont_trap_rule(dev, ft_prio, | |
3061 | flow_attr, dst); | |
3062 | } else { | |
a550ddfc YH |
3063 | underlay_qpn = (mqp->flags & MLX5_IB_QP_UNDERLAY) ? |
3064 | mqp->underlay_qpn : 0; | |
3065 | handler = _create_flow_rule(dev, ft_prio, flow_attr, | |
3066 | dst, underlay_qpn); | |
35d19011 | 3067 | } |
038d2ef8 MG |
3068 | } else if (flow_attr->type == IB_FLOW_ATTR_ALL_DEFAULT || |
3069 | flow_attr->type == IB_FLOW_ATTR_MC_DEFAULT) { | |
3070 | handler = create_leftovers_rule(dev, ft_prio, flow_attr, | |
3071 | dst); | |
cc0e5d42 MG |
3072 | } else if (flow_attr->type == IB_FLOW_ATTR_SNIFFER) { |
3073 | handler = create_sniffer_rule(dev, ft_prio, ft_prio_tx, dst); | |
038d2ef8 MG |
3074 | } else { |
3075 | err = -EINVAL; | |
3076 | goto destroy_ft; | |
3077 | } | |
3078 | ||
3079 | if (IS_ERR(handler)) { | |
3080 | err = PTR_ERR(handler); | |
3081 | handler = NULL; | |
3082 | goto destroy_ft; | |
3083 | } | |
3084 | ||
9a4ca38d | 3085 | mutex_unlock(&dev->flow_db->lock); |
038d2ef8 MG |
3086 | kfree(dst); |
3087 | ||
3088 | return &handler->ibflow; | |
3089 | ||
3090 | destroy_ft: | |
3091 | put_flow_table(dev, ft_prio, false); | |
cc0e5d42 MG |
3092 | if (ft_prio_tx) |
3093 | put_flow_table(dev, ft_prio_tx, false); | |
038d2ef8 | 3094 | unlock: |
9a4ca38d | 3095 | mutex_unlock(&dev->flow_db->lock); |
038d2ef8 MG |
3096 | kfree(dst); |
3097 | kfree(handler); | |
3098 | return ERR_PTR(err); | |
3099 | } | |
3100 | ||
e126ba97 EC |
3101 | static int mlx5_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) |
3102 | { | |
3103 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); | |
81e30880 | 3104 | struct mlx5_ib_qp *mqp = to_mqp(ibqp); |
e126ba97 EC |
3105 | int err; |
3106 | ||
81e30880 YH |
3107 | if (mqp->flags & MLX5_IB_QP_UNDERLAY) { |
3108 | mlx5_ib_dbg(dev, "Attaching a multi cast group to underlay QP is not supported\n"); | |
3109 | return -EOPNOTSUPP; | |
3110 | } | |
3111 | ||
9603b61d | 3112 | err = mlx5_core_attach_mcg(dev->mdev, gid, ibqp->qp_num); |
e126ba97 EC |
3113 | if (err) |
3114 | mlx5_ib_warn(dev, "failed attaching QPN 0x%x, MGID %pI6\n", | |
3115 | ibqp->qp_num, gid->raw); | |
3116 | ||
3117 | return err; | |
3118 | } | |
3119 | ||
3120 | static int mlx5_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) | |
3121 | { | |
3122 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); | |
3123 | int err; | |
3124 | ||
9603b61d | 3125 | err = mlx5_core_detach_mcg(dev->mdev, gid, ibqp->qp_num); |
e126ba97 EC |
3126 | if (err) |
3127 | mlx5_ib_warn(dev, "failed detaching QPN 0x%x, MGID %pI6\n", | |
3128 | ibqp->qp_num, gid->raw); | |
3129 | ||
3130 | return err; | |
3131 | } | |
3132 | ||
3133 | static int init_node_data(struct mlx5_ib_dev *dev) | |
3134 | { | |
1b5daf11 | 3135 | int err; |
e126ba97 | 3136 | |
1b5daf11 | 3137 | err = mlx5_query_node_desc(dev, dev->ib_dev.node_desc); |
e126ba97 | 3138 | if (err) |
1b5daf11 | 3139 | return err; |
e126ba97 | 3140 | |
1b5daf11 | 3141 | dev->mdev->rev_id = dev->mdev->pdev->revision; |
e126ba97 | 3142 | |
1b5daf11 | 3143 | return mlx5_query_node_guid(dev, &dev->ib_dev.node_guid); |
e126ba97 EC |
3144 | } |
3145 | ||
3146 | static ssize_t show_fw_pages(struct device *device, struct device_attribute *attr, | |
3147 | char *buf) | |
3148 | { | |
3149 | struct mlx5_ib_dev *dev = | |
3150 | container_of(device, struct mlx5_ib_dev, ib_dev.dev); | |
3151 | ||
9603b61d | 3152 | return sprintf(buf, "%d\n", dev->mdev->priv.fw_pages); |
e126ba97 EC |
3153 | } |
3154 | ||
3155 | static ssize_t show_reg_pages(struct device *device, | |
3156 | struct device_attribute *attr, char *buf) | |
3157 | { | |
3158 | struct mlx5_ib_dev *dev = | |
3159 | container_of(device, struct mlx5_ib_dev, ib_dev.dev); | |
3160 | ||
6aec21f6 | 3161 | return sprintf(buf, "%d\n", atomic_read(&dev->mdev->priv.reg_pages)); |
e126ba97 EC |
3162 | } |
3163 | ||
3164 | static ssize_t show_hca(struct device *device, struct device_attribute *attr, | |
3165 | char *buf) | |
3166 | { | |
3167 | struct mlx5_ib_dev *dev = | |
3168 | container_of(device, struct mlx5_ib_dev, ib_dev.dev); | |
9603b61d | 3169 | return sprintf(buf, "MT%d\n", dev->mdev->pdev->device); |
e126ba97 EC |
3170 | } |
3171 | ||
e126ba97 EC |
3172 | static ssize_t show_rev(struct device *device, struct device_attribute *attr, |
3173 | char *buf) | |
3174 | { | |
3175 | struct mlx5_ib_dev *dev = | |
3176 | container_of(device, struct mlx5_ib_dev, ib_dev.dev); | |
9603b61d | 3177 | return sprintf(buf, "%x\n", dev->mdev->rev_id); |
e126ba97 EC |
3178 | } |
3179 | ||
3180 | static ssize_t show_board(struct device *device, struct device_attribute *attr, | |
3181 | char *buf) | |
3182 | { | |
3183 | struct mlx5_ib_dev *dev = | |
3184 | container_of(device, struct mlx5_ib_dev, ib_dev.dev); | |
3185 | return sprintf(buf, "%.*s\n", MLX5_BOARD_ID_LEN, | |
9603b61d | 3186 | dev->mdev->board_id); |
e126ba97 EC |
3187 | } |
3188 | ||
3189 | static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); | |
e126ba97 EC |
3190 | static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); |
3191 | static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); | |
3192 | static DEVICE_ATTR(fw_pages, S_IRUGO, show_fw_pages, NULL); | |
3193 | static DEVICE_ATTR(reg_pages, S_IRUGO, show_reg_pages, NULL); | |
3194 | ||
3195 | static struct device_attribute *mlx5_class_attributes[] = { | |
3196 | &dev_attr_hw_rev, | |
e126ba97 EC |
3197 | &dev_attr_hca_type, |
3198 | &dev_attr_board_id, | |
3199 | &dev_attr_fw_pages, | |
3200 | &dev_attr_reg_pages, | |
3201 | }; | |
3202 | ||
7722f47e HE |
3203 | static void pkey_change_handler(struct work_struct *work) |
3204 | { | |
3205 | struct mlx5_ib_port_resources *ports = | |
3206 | container_of(work, struct mlx5_ib_port_resources, | |
3207 | pkey_change_work); | |
3208 | ||
3209 | mutex_lock(&ports->devr->mutex); | |
3210 | mlx5_ib_gsi_pkey_change(ports->gsi); | |
3211 | mutex_unlock(&ports->devr->mutex); | |
3212 | } | |
3213 | ||
89ea94a7 MG |
3214 | static void mlx5_ib_handle_internal_error(struct mlx5_ib_dev *ibdev) |
3215 | { | |
3216 | struct mlx5_ib_qp *mqp; | |
3217 | struct mlx5_ib_cq *send_mcq, *recv_mcq; | |
3218 | struct mlx5_core_cq *mcq; | |
3219 | struct list_head cq_armed_list; | |
3220 | unsigned long flags_qp; | |
3221 | unsigned long flags_cq; | |
3222 | unsigned long flags; | |
3223 | ||
3224 | INIT_LIST_HEAD(&cq_armed_list); | |
3225 | ||
3226 | /* Go over qp list reside on that ibdev, sync with create/destroy qp.*/ | |
3227 | spin_lock_irqsave(&ibdev->reset_flow_resource_lock, flags); | |
3228 | list_for_each_entry(mqp, &ibdev->qp_list, qps_list) { | |
3229 | spin_lock_irqsave(&mqp->sq.lock, flags_qp); | |
3230 | if (mqp->sq.tail != mqp->sq.head) { | |
3231 | send_mcq = to_mcq(mqp->ibqp.send_cq); | |
3232 | spin_lock_irqsave(&send_mcq->lock, flags_cq); | |
3233 | if (send_mcq->mcq.comp && | |
3234 | mqp->ibqp.send_cq->comp_handler) { | |
3235 | if (!send_mcq->mcq.reset_notify_added) { | |
3236 | send_mcq->mcq.reset_notify_added = 1; | |
3237 | list_add_tail(&send_mcq->mcq.reset_notify, | |
3238 | &cq_armed_list); | |
3239 | } | |
3240 | } | |
3241 | spin_unlock_irqrestore(&send_mcq->lock, flags_cq); | |
3242 | } | |
3243 | spin_unlock_irqrestore(&mqp->sq.lock, flags_qp); | |
3244 | spin_lock_irqsave(&mqp->rq.lock, flags_qp); | |
3245 | /* no handling is needed for SRQ */ | |
3246 | if (!mqp->ibqp.srq) { | |
3247 | if (mqp->rq.tail != mqp->rq.head) { | |
3248 | recv_mcq = to_mcq(mqp->ibqp.recv_cq); | |
3249 | spin_lock_irqsave(&recv_mcq->lock, flags_cq); | |
3250 | if (recv_mcq->mcq.comp && | |
3251 | mqp->ibqp.recv_cq->comp_handler) { | |
3252 | if (!recv_mcq->mcq.reset_notify_added) { | |
3253 | recv_mcq->mcq.reset_notify_added = 1; | |
3254 | list_add_tail(&recv_mcq->mcq.reset_notify, | |
3255 | &cq_armed_list); | |
3256 | } | |
3257 | } | |
3258 | spin_unlock_irqrestore(&recv_mcq->lock, | |
3259 | flags_cq); | |
3260 | } | |
3261 | } | |
3262 | spin_unlock_irqrestore(&mqp->rq.lock, flags_qp); | |
3263 | } | |
3264 | /*At that point all inflight post send were put to be executed as of we | |
3265 | * lock/unlock above locks Now need to arm all involved CQs. | |
3266 | */ | |
3267 | list_for_each_entry(mcq, &cq_armed_list, reset_notify) { | |
3268 | mcq->comp(mcq); | |
3269 | } | |
3270 | spin_unlock_irqrestore(&ibdev->reset_flow_resource_lock, flags); | |
3271 | } | |
3272 | ||
03404e8a MG |
3273 | static void delay_drop_handler(struct work_struct *work) |
3274 | { | |
3275 | int err; | |
3276 | struct mlx5_ib_delay_drop *delay_drop = | |
3277 | container_of(work, struct mlx5_ib_delay_drop, | |
3278 | delay_drop_work); | |
3279 | ||
fe248c3a MG |
3280 | atomic_inc(&delay_drop->events_cnt); |
3281 | ||
03404e8a MG |
3282 | mutex_lock(&delay_drop->lock); |
3283 | err = mlx5_core_set_delay_drop(delay_drop->dev->mdev, | |
3284 | delay_drop->timeout); | |
3285 | if (err) { | |
3286 | mlx5_ib_warn(delay_drop->dev, "Failed to set delay drop, timeout=%u\n", | |
3287 | delay_drop->timeout); | |
3288 | delay_drop->activate = false; | |
3289 | } | |
3290 | mutex_unlock(&delay_drop->lock); | |
3291 | } | |
3292 | ||
d69a24e0 | 3293 | static void mlx5_ib_handle_event(struct work_struct *_work) |
e126ba97 | 3294 | { |
d69a24e0 DJ |
3295 | struct mlx5_ib_event_work *work = |
3296 | container_of(_work, struct mlx5_ib_event_work, work); | |
3297 | struct mlx5_ib_dev *ibdev; | |
e126ba97 | 3298 | struct ib_event ibev; |
dbaaff2a | 3299 | bool fatal = false; |
e126ba97 EC |
3300 | u8 port = 0; |
3301 | ||
d69a24e0 DJ |
3302 | if (mlx5_core_is_mp_slave(work->dev)) { |
3303 | ibdev = mlx5_ib_get_ibdev_from_mpi(work->context); | |
3304 | if (!ibdev) | |
3305 | goto out; | |
3306 | } else { | |
3307 | ibdev = work->context; | |
3308 | } | |
3309 | ||
3310 | switch (work->event) { | |
e126ba97 | 3311 | case MLX5_DEV_EVENT_SYS_ERROR: |
e126ba97 | 3312 | ibev.event = IB_EVENT_DEVICE_FATAL; |
89ea94a7 | 3313 | mlx5_ib_handle_internal_error(ibdev); |
dbaaff2a | 3314 | fatal = true; |
e126ba97 EC |
3315 | break; |
3316 | ||
3317 | case MLX5_DEV_EVENT_PORT_UP: | |
e126ba97 | 3318 | case MLX5_DEV_EVENT_PORT_DOWN: |
2788cf3b | 3319 | case MLX5_DEV_EVENT_PORT_INITIALIZED: |
d69a24e0 | 3320 | port = (u8)work->param; |
5ec8c83e AH |
3321 | |
3322 | /* In RoCE, port up/down events are handled in | |
3323 | * mlx5_netdev_event(). | |
3324 | */ | |
3325 | if (mlx5_ib_port_link_layer(&ibdev->ib_dev, port) == | |
3326 | IB_LINK_LAYER_ETHERNET) | |
d69a24e0 | 3327 | goto out; |
5ec8c83e | 3328 | |
d69a24e0 | 3329 | ibev.event = (work->event == MLX5_DEV_EVENT_PORT_UP) ? |
5ec8c83e | 3330 | IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR; |
e126ba97 EC |
3331 | break; |
3332 | ||
e126ba97 EC |
3333 | case MLX5_DEV_EVENT_LID_CHANGE: |
3334 | ibev.event = IB_EVENT_LID_CHANGE; | |
d69a24e0 | 3335 | port = (u8)work->param; |
e126ba97 EC |
3336 | break; |
3337 | ||
3338 | case MLX5_DEV_EVENT_PKEY_CHANGE: | |
3339 | ibev.event = IB_EVENT_PKEY_CHANGE; | |
d69a24e0 | 3340 | port = (u8)work->param; |
7722f47e HE |
3341 | |
3342 | schedule_work(&ibdev->devr.ports[port - 1].pkey_change_work); | |
e126ba97 EC |
3343 | break; |
3344 | ||
3345 | case MLX5_DEV_EVENT_GUID_CHANGE: | |
3346 | ibev.event = IB_EVENT_GID_CHANGE; | |
d69a24e0 | 3347 | port = (u8)work->param; |
e126ba97 EC |
3348 | break; |
3349 | ||
3350 | case MLX5_DEV_EVENT_CLIENT_REREG: | |
3351 | ibev.event = IB_EVENT_CLIENT_REREGISTER; | |
d69a24e0 | 3352 | port = (u8)work->param; |
e126ba97 | 3353 | break; |
03404e8a MG |
3354 | case MLX5_DEV_EVENT_DELAY_DROP_TIMEOUT: |
3355 | schedule_work(&ibdev->delay_drop.delay_drop_work); | |
3356 | goto out; | |
bdc37924 | 3357 | default: |
03404e8a | 3358 | goto out; |
e126ba97 EC |
3359 | } |
3360 | ||
3361 | ibev.device = &ibdev->ib_dev; | |
3362 | ibev.element.port_num = port; | |
3363 | ||
a0c84c32 EC |
3364 | if (port < 1 || port > ibdev->num_ports) { |
3365 | mlx5_ib_warn(ibdev, "warning: event on port %d\n", port); | |
03404e8a | 3366 | goto out; |
a0c84c32 EC |
3367 | } |
3368 | ||
e126ba97 EC |
3369 | if (ibdev->ib_active) |
3370 | ib_dispatch_event(&ibev); | |
dbaaff2a EC |
3371 | |
3372 | if (fatal) | |
3373 | ibdev->ib_active = false; | |
03404e8a | 3374 | out: |
d69a24e0 DJ |
3375 | kfree(work); |
3376 | } | |
3377 | ||
3378 | static void mlx5_ib_event(struct mlx5_core_dev *dev, void *context, | |
3379 | enum mlx5_dev_event event, unsigned long param) | |
3380 | { | |
3381 | struct mlx5_ib_event_work *work; | |
3382 | ||
3383 | work = kmalloc(sizeof(*work), GFP_ATOMIC); | |
10bea9c8 | 3384 | if (!work) |
d69a24e0 | 3385 | return; |
d69a24e0 | 3386 | |
10bea9c8 LR |
3387 | INIT_WORK(&work->work, mlx5_ib_handle_event); |
3388 | work->dev = dev; | |
3389 | work->param = param; | |
3390 | work->context = context; | |
3391 | work->event = event; | |
3392 | ||
3393 | queue_work(mlx5_ib_event_wq, &work->work); | |
e126ba97 EC |
3394 | } |
3395 | ||
c43f1112 MG |
3396 | static int set_has_smi_cap(struct mlx5_ib_dev *dev) |
3397 | { | |
3398 | struct mlx5_hca_vport_context vport_ctx; | |
3399 | int err; | |
3400 | int port; | |
3401 | ||
508562d6 | 3402 | for (port = 1; port <= dev->num_ports; port++) { |
c43f1112 MG |
3403 | dev->mdev->port_caps[port - 1].has_smi = false; |
3404 | if (MLX5_CAP_GEN(dev->mdev, port_type) == | |
3405 | MLX5_CAP_PORT_TYPE_IB) { | |
3406 | if (MLX5_CAP_GEN(dev->mdev, ib_virt)) { | |
3407 | err = mlx5_query_hca_vport_context(dev->mdev, 0, | |
3408 | port, 0, | |
3409 | &vport_ctx); | |
3410 | if (err) { | |
3411 | mlx5_ib_err(dev, "query_hca_vport_context for port=%d failed %d\n", | |
3412 | port, err); | |
3413 | return err; | |
3414 | } | |
3415 | dev->mdev->port_caps[port - 1].has_smi = | |
3416 | vport_ctx.has_smi; | |
3417 | } else { | |
3418 | dev->mdev->port_caps[port - 1].has_smi = true; | |
3419 | } | |
3420 | } | |
3421 | } | |
3422 | return 0; | |
3423 | } | |
3424 | ||
e126ba97 EC |
3425 | static void get_ext_port_caps(struct mlx5_ib_dev *dev) |
3426 | { | |
3427 | int port; | |
3428 | ||
508562d6 | 3429 | for (port = 1; port <= dev->num_ports; port++) |
e126ba97 EC |
3430 | mlx5_query_ext_port_caps(dev, port); |
3431 | } | |
3432 | ||
32f69e4b | 3433 | static int get_port_caps(struct mlx5_ib_dev *dev, u8 port) |
e126ba97 EC |
3434 | { |
3435 | struct ib_device_attr *dprops = NULL; | |
3436 | struct ib_port_attr *pprops = NULL; | |
f614fc15 | 3437 | int err = -ENOMEM; |
2528e33e | 3438 | struct ib_udata uhw = {.inlen = 0, .outlen = 0}; |
e126ba97 EC |
3439 | |
3440 | pprops = kmalloc(sizeof(*pprops), GFP_KERNEL); | |
3441 | if (!pprops) | |
3442 | goto out; | |
3443 | ||
3444 | dprops = kmalloc(sizeof(*dprops), GFP_KERNEL); | |
3445 | if (!dprops) | |
3446 | goto out; | |
3447 | ||
c43f1112 MG |
3448 | err = set_has_smi_cap(dev); |
3449 | if (err) | |
3450 | goto out; | |
3451 | ||
2528e33e | 3452 | err = mlx5_ib_query_device(&dev->ib_dev, dprops, &uhw); |
e126ba97 EC |
3453 | if (err) { |
3454 | mlx5_ib_warn(dev, "query_device failed %d\n", err); | |
3455 | goto out; | |
3456 | } | |
3457 | ||
32f69e4b DJ |
3458 | memset(pprops, 0, sizeof(*pprops)); |
3459 | err = mlx5_ib_query_port(&dev->ib_dev, port, pprops); | |
3460 | if (err) { | |
3461 | mlx5_ib_warn(dev, "query_port %d failed %d\n", | |
3462 | port, err); | |
3463 | goto out; | |
e126ba97 EC |
3464 | } |
3465 | ||
32f69e4b DJ |
3466 | dev->mdev->port_caps[port - 1].pkey_table_len = |
3467 | dprops->max_pkeys; | |
3468 | dev->mdev->port_caps[port - 1].gid_table_len = | |
3469 | pprops->gid_tbl_len; | |
3470 | mlx5_ib_dbg(dev, "port %d: pkey_table_len %d, gid_table_len %d\n", | |
3471 | port, dprops->max_pkeys, pprops->gid_tbl_len); | |
3472 | ||
e126ba97 EC |
3473 | out: |
3474 | kfree(pprops); | |
3475 | kfree(dprops); | |
3476 | ||
3477 | return err; | |
3478 | } | |
3479 | ||
3480 | static void destroy_umrc_res(struct mlx5_ib_dev *dev) | |
3481 | { | |
3482 | int err; | |
3483 | ||
3484 | err = mlx5_mr_cache_cleanup(dev); | |
3485 | if (err) | |
3486 | mlx5_ib_warn(dev, "mr cache cleanup failed\n"); | |
3487 | ||
3488 | mlx5_ib_destroy_qp(dev->umrc.qp); | |
add08d76 | 3489 | ib_free_cq(dev->umrc.cq); |
e126ba97 EC |
3490 | ib_dealloc_pd(dev->umrc.pd); |
3491 | } | |
3492 | ||
3493 | enum { | |
3494 | MAX_UMR_WR = 128, | |
3495 | }; | |
3496 | ||
3497 | static int create_umr_res(struct mlx5_ib_dev *dev) | |
3498 | { | |
3499 | struct ib_qp_init_attr *init_attr = NULL; | |
3500 | struct ib_qp_attr *attr = NULL; | |
3501 | struct ib_pd *pd; | |
3502 | struct ib_cq *cq; | |
3503 | struct ib_qp *qp; | |
e126ba97 EC |
3504 | int ret; |
3505 | ||
3506 | attr = kzalloc(sizeof(*attr), GFP_KERNEL); | |
3507 | init_attr = kzalloc(sizeof(*init_attr), GFP_KERNEL); | |
3508 | if (!attr || !init_attr) { | |
3509 | ret = -ENOMEM; | |
3510 | goto error_0; | |
3511 | } | |
3512 | ||
ed082d36 | 3513 | pd = ib_alloc_pd(&dev->ib_dev, 0); |
e126ba97 EC |
3514 | if (IS_ERR(pd)) { |
3515 | mlx5_ib_dbg(dev, "Couldn't create PD for sync UMR QP\n"); | |
3516 | ret = PTR_ERR(pd); | |
3517 | goto error_0; | |
3518 | } | |
3519 | ||
add08d76 | 3520 | cq = ib_alloc_cq(&dev->ib_dev, NULL, 128, 0, IB_POLL_SOFTIRQ); |
e126ba97 EC |
3521 | if (IS_ERR(cq)) { |
3522 | mlx5_ib_dbg(dev, "Couldn't create CQ for sync UMR QP\n"); | |
3523 | ret = PTR_ERR(cq); | |
3524 | goto error_2; | |
3525 | } | |
e126ba97 EC |
3526 | |
3527 | init_attr->send_cq = cq; | |
3528 | init_attr->recv_cq = cq; | |
3529 | init_attr->sq_sig_type = IB_SIGNAL_ALL_WR; | |
3530 | init_attr->cap.max_send_wr = MAX_UMR_WR; | |
3531 | init_attr->cap.max_send_sge = 1; | |
3532 | init_attr->qp_type = MLX5_IB_QPT_REG_UMR; | |
3533 | init_attr->port_num = 1; | |
3534 | qp = mlx5_ib_create_qp(pd, init_attr, NULL); | |
3535 | if (IS_ERR(qp)) { | |
3536 | mlx5_ib_dbg(dev, "Couldn't create sync UMR QP\n"); | |
3537 | ret = PTR_ERR(qp); | |
3538 | goto error_3; | |
3539 | } | |
3540 | qp->device = &dev->ib_dev; | |
3541 | qp->real_qp = qp; | |
3542 | qp->uobject = NULL; | |
3543 | qp->qp_type = MLX5_IB_QPT_REG_UMR; | |
31fde034 MD |
3544 | qp->send_cq = init_attr->send_cq; |
3545 | qp->recv_cq = init_attr->recv_cq; | |
e126ba97 EC |
3546 | |
3547 | attr->qp_state = IB_QPS_INIT; | |
3548 | attr->port_num = 1; | |
3549 | ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE | IB_QP_PKEY_INDEX | | |
3550 | IB_QP_PORT, NULL); | |
3551 | if (ret) { | |
3552 | mlx5_ib_dbg(dev, "Couldn't modify UMR QP\n"); | |
3553 | goto error_4; | |
3554 | } | |
3555 | ||
3556 | memset(attr, 0, sizeof(*attr)); | |
3557 | attr->qp_state = IB_QPS_RTR; | |
3558 | attr->path_mtu = IB_MTU_256; | |
3559 | ||
3560 | ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL); | |
3561 | if (ret) { | |
3562 | mlx5_ib_dbg(dev, "Couldn't modify umr QP to rtr\n"); | |
3563 | goto error_4; | |
3564 | } | |
3565 | ||
3566 | memset(attr, 0, sizeof(*attr)); | |
3567 | attr->qp_state = IB_QPS_RTS; | |
3568 | ret = mlx5_ib_modify_qp(qp, attr, IB_QP_STATE, NULL); | |
3569 | if (ret) { | |
3570 | mlx5_ib_dbg(dev, "Couldn't modify umr QP to rts\n"); | |
3571 | goto error_4; | |
3572 | } | |
3573 | ||
3574 | dev->umrc.qp = qp; | |
3575 | dev->umrc.cq = cq; | |
e126ba97 EC |
3576 | dev->umrc.pd = pd; |
3577 | ||
3578 | sema_init(&dev->umrc.sem, MAX_UMR_WR); | |
3579 | ret = mlx5_mr_cache_init(dev); | |
3580 | if (ret) { | |
3581 | mlx5_ib_warn(dev, "mr cache init failed %d\n", ret); | |
3582 | goto error_4; | |
3583 | } | |
3584 | ||
3585 | kfree(attr); | |
3586 | kfree(init_attr); | |
3587 | ||
3588 | return 0; | |
3589 | ||
3590 | error_4: | |
3591 | mlx5_ib_destroy_qp(qp); | |
3592 | ||
3593 | error_3: | |
add08d76 | 3594 | ib_free_cq(cq); |
e126ba97 EC |
3595 | |
3596 | error_2: | |
e126ba97 EC |
3597 | ib_dealloc_pd(pd); |
3598 | ||
3599 | error_0: | |
3600 | kfree(attr); | |
3601 | kfree(init_attr); | |
3602 | return ret; | |
3603 | } | |
3604 | ||
6e8484c5 MG |
3605 | static u8 mlx5_get_umr_fence(u8 umr_fence_cap) |
3606 | { | |
3607 | switch (umr_fence_cap) { | |
3608 | case MLX5_CAP_UMR_FENCE_NONE: | |
3609 | return MLX5_FENCE_MODE_NONE; | |
3610 | case MLX5_CAP_UMR_FENCE_SMALL: | |
3611 | return MLX5_FENCE_MODE_INITIATOR_SMALL; | |
3612 | default: | |
3613 | return MLX5_FENCE_MODE_STRONG_ORDERING; | |
3614 | } | |
3615 | } | |
3616 | ||
e126ba97 EC |
3617 | static int create_dev_resources(struct mlx5_ib_resources *devr) |
3618 | { | |
3619 | struct ib_srq_init_attr attr; | |
3620 | struct mlx5_ib_dev *dev; | |
bcf4c1ea | 3621 | struct ib_cq_init_attr cq_attr = {.cqe = 1}; |
7722f47e | 3622 | int port; |
e126ba97 EC |
3623 | int ret = 0; |
3624 | ||
3625 | dev = container_of(devr, struct mlx5_ib_dev, devr); | |
3626 | ||
d16e91da HE |
3627 | mutex_init(&devr->mutex); |
3628 | ||
e126ba97 EC |
3629 | devr->p0 = mlx5_ib_alloc_pd(&dev->ib_dev, NULL, NULL); |
3630 | if (IS_ERR(devr->p0)) { | |
3631 | ret = PTR_ERR(devr->p0); | |
3632 | goto error0; | |
3633 | } | |
3634 | devr->p0->device = &dev->ib_dev; | |
3635 | devr->p0->uobject = NULL; | |
3636 | atomic_set(&devr->p0->usecnt, 0); | |
3637 | ||
bcf4c1ea | 3638 | devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, &cq_attr, NULL, NULL); |
e126ba97 EC |
3639 | if (IS_ERR(devr->c0)) { |
3640 | ret = PTR_ERR(devr->c0); | |
3641 | goto error1; | |
3642 | } | |
3643 | devr->c0->device = &dev->ib_dev; | |
3644 | devr->c0->uobject = NULL; | |
3645 | devr->c0->comp_handler = NULL; | |
3646 | devr->c0->event_handler = NULL; | |
3647 | devr->c0->cq_context = NULL; | |
3648 | atomic_set(&devr->c0->usecnt, 0); | |
3649 | ||
3650 | devr->x0 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL, NULL); | |
3651 | if (IS_ERR(devr->x0)) { | |
3652 | ret = PTR_ERR(devr->x0); | |
3653 | goto error2; | |
3654 | } | |
3655 | devr->x0->device = &dev->ib_dev; | |
3656 | devr->x0->inode = NULL; | |
3657 | atomic_set(&devr->x0->usecnt, 0); | |
3658 | mutex_init(&devr->x0->tgt_qp_mutex); | |
3659 | INIT_LIST_HEAD(&devr->x0->tgt_qp_list); | |
3660 | ||
3661 | devr->x1 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL, NULL); | |
3662 | if (IS_ERR(devr->x1)) { | |
3663 | ret = PTR_ERR(devr->x1); | |
3664 | goto error3; | |
3665 | } | |
3666 | devr->x1->device = &dev->ib_dev; | |
3667 | devr->x1->inode = NULL; | |
3668 | atomic_set(&devr->x1->usecnt, 0); | |
3669 | mutex_init(&devr->x1->tgt_qp_mutex); | |
3670 | INIT_LIST_HEAD(&devr->x1->tgt_qp_list); | |
3671 | ||
3672 | memset(&attr, 0, sizeof(attr)); | |
3673 | attr.attr.max_sge = 1; | |
3674 | attr.attr.max_wr = 1; | |
3675 | attr.srq_type = IB_SRQT_XRC; | |
1a56ff6d | 3676 | attr.ext.cq = devr->c0; |
e126ba97 EC |
3677 | attr.ext.xrc.xrcd = devr->x0; |
3678 | ||
3679 | devr->s0 = mlx5_ib_create_srq(devr->p0, &attr, NULL); | |
3680 | if (IS_ERR(devr->s0)) { | |
3681 | ret = PTR_ERR(devr->s0); | |
3682 | goto error4; | |
3683 | } | |
3684 | devr->s0->device = &dev->ib_dev; | |
3685 | devr->s0->pd = devr->p0; | |
3686 | devr->s0->uobject = NULL; | |
3687 | devr->s0->event_handler = NULL; | |
3688 | devr->s0->srq_context = NULL; | |
3689 | devr->s0->srq_type = IB_SRQT_XRC; | |
3690 | devr->s0->ext.xrc.xrcd = devr->x0; | |
1a56ff6d | 3691 | devr->s0->ext.cq = devr->c0; |
e126ba97 | 3692 | atomic_inc(&devr->s0->ext.xrc.xrcd->usecnt); |
1a56ff6d | 3693 | atomic_inc(&devr->s0->ext.cq->usecnt); |
e126ba97 EC |
3694 | atomic_inc(&devr->p0->usecnt); |
3695 | atomic_set(&devr->s0->usecnt, 0); | |
3696 | ||
4aa17b28 HA |
3697 | memset(&attr, 0, sizeof(attr)); |
3698 | attr.attr.max_sge = 1; | |
3699 | attr.attr.max_wr = 1; | |
3700 | attr.srq_type = IB_SRQT_BASIC; | |
3701 | devr->s1 = mlx5_ib_create_srq(devr->p0, &attr, NULL); | |
3702 | if (IS_ERR(devr->s1)) { | |
3703 | ret = PTR_ERR(devr->s1); | |
3704 | goto error5; | |
3705 | } | |
3706 | devr->s1->device = &dev->ib_dev; | |
3707 | devr->s1->pd = devr->p0; | |
3708 | devr->s1->uobject = NULL; | |
3709 | devr->s1->event_handler = NULL; | |
3710 | devr->s1->srq_context = NULL; | |
3711 | devr->s1->srq_type = IB_SRQT_BASIC; | |
1a56ff6d | 3712 | devr->s1->ext.cq = devr->c0; |
4aa17b28 | 3713 | atomic_inc(&devr->p0->usecnt); |
1a56ff6d | 3714 | atomic_set(&devr->s1->usecnt, 0); |
4aa17b28 | 3715 | |
7722f47e HE |
3716 | for (port = 0; port < ARRAY_SIZE(devr->ports); ++port) { |
3717 | INIT_WORK(&devr->ports[port].pkey_change_work, | |
3718 | pkey_change_handler); | |
3719 | devr->ports[port].devr = devr; | |
3720 | } | |
3721 | ||
e126ba97 EC |
3722 | return 0; |
3723 | ||
4aa17b28 HA |
3724 | error5: |
3725 | mlx5_ib_destroy_srq(devr->s0); | |
e126ba97 EC |
3726 | error4: |
3727 | mlx5_ib_dealloc_xrcd(devr->x1); | |
3728 | error3: | |
3729 | mlx5_ib_dealloc_xrcd(devr->x0); | |
3730 | error2: | |
3731 | mlx5_ib_destroy_cq(devr->c0); | |
3732 | error1: | |
3733 | mlx5_ib_dealloc_pd(devr->p0); | |
3734 | error0: | |
3735 | return ret; | |
3736 | } | |
3737 | ||
3738 | static void destroy_dev_resources(struct mlx5_ib_resources *devr) | |
3739 | { | |
7722f47e HE |
3740 | struct mlx5_ib_dev *dev = |
3741 | container_of(devr, struct mlx5_ib_dev, devr); | |
3742 | int port; | |
3743 | ||
4aa17b28 | 3744 | mlx5_ib_destroy_srq(devr->s1); |
e126ba97 EC |
3745 | mlx5_ib_destroy_srq(devr->s0); |
3746 | mlx5_ib_dealloc_xrcd(devr->x0); | |
3747 | mlx5_ib_dealloc_xrcd(devr->x1); | |
3748 | mlx5_ib_destroy_cq(devr->c0); | |
3749 | mlx5_ib_dealloc_pd(devr->p0); | |
7722f47e HE |
3750 | |
3751 | /* Make sure no change P_Key work items are still executing */ | |
3752 | for (port = 0; port < dev->num_ports; ++port) | |
3753 | cancel_work_sync(&devr->ports[port].pkey_change_work); | |
e126ba97 EC |
3754 | } |
3755 | ||
e53505a8 AS |
3756 | static u32 get_core_cap_flags(struct ib_device *ibdev) |
3757 | { | |
3758 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
3759 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(ibdev, 1); | |
3760 | u8 l3_type_cap = MLX5_CAP_ROCE(dev->mdev, l3_type); | |
3761 | u8 roce_version_cap = MLX5_CAP_ROCE(dev->mdev, roce_version); | |
85c7c014 | 3762 | bool raw_support = !mlx5_core_mp_enabled(dev->mdev); |
e53505a8 AS |
3763 | u32 ret = 0; |
3764 | ||
3765 | if (ll == IB_LINK_LAYER_INFINIBAND) | |
3766 | return RDMA_CORE_PORT_IBA_IB; | |
3767 | ||
85c7c014 DJ |
3768 | if (raw_support) |
3769 | ret = RDMA_CORE_PORT_RAW_PACKET; | |
72cd5717 | 3770 | |
e53505a8 | 3771 | if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV4_CAP)) |
72cd5717 | 3772 | return ret; |
e53505a8 AS |
3773 | |
3774 | if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV6_CAP)) | |
72cd5717 | 3775 | return ret; |
e53505a8 AS |
3776 | |
3777 | if (roce_version_cap & MLX5_ROCE_VERSION_1_CAP) | |
3778 | ret |= RDMA_CORE_PORT_IBA_ROCE; | |
3779 | ||
3780 | if (roce_version_cap & MLX5_ROCE_VERSION_2_CAP) | |
3781 | ret |= RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP; | |
3782 | ||
3783 | return ret; | |
3784 | } | |
3785 | ||
7738613e IW |
3786 | static int mlx5_port_immutable(struct ib_device *ibdev, u8 port_num, |
3787 | struct ib_port_immutable *immutable) | |
3788 | { | |
3789 | struct ib_port_attr attr; | |
ca5b91d6 OG |
3790 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
3791 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(ibdev, port_num); | |
7738613e IW |
3792 | int err; |
3793 | ||
c4550c63 OG |
3794 | immutable->core_cap_flags = get_core_cap_flags(ibdev); |
3795 | ||
3796 | err = ib_query_port(ibdev, port_num, &attr); | |
7738613e IW |
3797 | if (err) |
3798 | return err; | |
3799 | ||
3800 | immutable->pkey_tbl_len = attr.pkey_tbl_len; | |
3801 | immutable->gid_tbl_len = attr.gid_tbl_len; | |
e53505a8 | 3802 | immutable->core_cap_flags = get_core_cap_flags(ibdev); |
ca5b91d6 OG |
3803 | if ((ll == IB_LINK_LAYER_INFINIBAND) || MLX5_CAP_GEN(dev->mdev, roce)) |
3804 | immutable->max_mad_size = IB_MGMT_MAD_SIZE; | |
7738613e IW |
3805 | |
3806 | return 0; | |
3807 | } | |
3808 | ||
8e6efa3a MB |
3809 | static int mlx5_port_rep_immutable(struct ib_device *ibdev, u8 port_num, |
3810 | struct ib_port_immutable *immutable) | |
3811 | { | |
3812 | struct ib_port_attr attr; | |
3813 | int err; | |
3814 | ||
3815 | immutable->core_cap_flags = RDMA_CORE_PORT_RAW_PACKET; | |
3816 | ||
3817 | err = ib_query_port(ibdev, port_num, &attr); | |
3818 | if (err) | |
3819 | return err; | |
3820 | ||
3821 | immutable->pkey_tbl_len = attr.pkey_tbl_len; | |
3822 | immutable->gid_tbl_len = attr.gid_tbl_len; | |
3823 | immutable->core_cap_flags = RDMA_CORE_PORT_RAW_PACKET; | |
3824 | ||
3825 | return 0; | |
3826 | } | |
3827 | ||
9abb0d1b | 3828 | static void get_dev_fw_str(struct ib_device *ibdev, char *str) |
c7342823 IW |
3829 | { |
3830 | struct mlx5_ib_dev *dev = | |
3831 | container_of(ibdev, struct mlx5_ib_dev, ib_dev); | |
9abb0d1b LR |
3832 | snprintf(str, IB_FW_VERSION_NAME_MAX, "%d.%d.%04d", |
3833 | fw_rev_maj(dev->mdev), fw_rev_min(dev->mdev), | |
3834 | fw_rev_sub(dev->mdev)); | |
c7342823 IW |
3835 | } |
3836 | ||
45f95acd | 3837 | static int mlx5_eth_lag_init(struct mlx5_ib_dev *dev) |
9ef9c640 AH |
3838 | { |
3839 | struct mlx5_core_dev *mdev = dev->mdev; | |
3840 | struct mlx5_flow_namespace *ns = mlx5_get_flow_namespace(mdev, | |
3841 | MLX5_FLOW_NAMESPACE_LAG); | |
3842 | struct mlx5_flow_table *ft; | |
3843 | int err; | |
3844 | ||
3845 | if (!ns || !mlx5_lag_is_active(mdev)) | |
3846 | return 0; | |
3847 | ||
3848 | err = mlx5_cmd_create_vport_lag(mdev); | |
3849 | if (err) | |
3850 | return err; | |
3851 | ||
3852 | ft = mlx5_create_lag_demux_flow_table(ns, 0, 0); | |
3853 | if (IS_ERR(ft)) { | |
3854 | err = PTR_ERR(ft); | |
3855 | goto err_destroy_vport_lag; | |
3856 | } | |
3857 | ||
9a4ca38d | 3858 | dev->flow_db->lag_demux_ft = ft; |
9ef9c640 AH |
3859 | return 0; |
3860 | ||
3861 | err_destroy_vport_lag: | |
3862 | mlx5_cmd_destroy_vport_lag(mdev); | |
3863 | return err; | |
3864 | } | |
3865 | ||
45f95acd | 3866 | static void mlx5_eth_lag_cleanup(struct mlx5_ib_dev *dev) |
9ef9c640 AH |
3867 | { |
3868 | struct mlx5_core_dev *mdev = dev->mdev; | |
3869 | ||
9a4ca38d MB |
3870 | if (dev->flow_db->lag_demux_ft) { |
3871 | mlx5_destroy_flow_table(dev->flow_db->lag_demux_ft); | |
3872 | dev->flow_db->lag_demux_ft = NULL; | |
9ef9c640 AH |
3873 | |
3874 | mlx5_cmd_destroy_vport_lag(mdev); | |
3875 | } | |
3876 | } | |
3877 | ||
7fd8aefb | 3878 | static int mlx5_add_netdev_notifier(struct mlx5_ib_dev *dev, u8 port_num) |
d012f5d6 OG |
3879 | { |
3880 | int err; | |
3881 | ||
7fd8aefb DJ |
3882 | dev->roce[port_num].nb.notifier_call = mlx5_netdev_event; |
3883 | err = register_netdevice_notifier(&dev->roce[port_num].nb); | |
d012f5d6 | 3884 | if (err) { |
7fd8aefb | 3885 | dev->roce[port_num].nb.notifier_call = NULL; |
d012f5d6 OG |
3886 | return err; |
3887 | } | |
3888 | ||
3889 | return 0; | |
3890 | } | |
3891 | ||
7fd8aefb | 3892 | static void mlx5_remove_netdev_notifier(struct mlx5_ib_dev *dev, u8 port_num) |
5ec8c83e | 3893 | { |
7fd8aefb DJ |
3894 | if (dev->roce[port_num].nb.notifier_call) { |
3895 | unregister_netdevice_notifier(&dev->roce[port_num].nb); | |
3896 | dev->roce[port_num].nb.notifier_call = NULL; | |
5ec8c83e AH |
3897 | } |
3898 | } | |
3899 | ||
7fd8aefb | 3900 | static int mlx5_enable_eth(struct mlx5_ib_dev *dev, u8 port_num) |
fc24fc5e | 3901 | { |
e53505a8 AS |
3902 | int err; |
3903 | ||
ca5b91d6 OG |
3904 | if (MLX5_CAP_GEN(dev->mdev, roce)) { |
3905 | err = mlx5_nic_vport_enable_roce(dev->mdev); | |
3906 | if (err) | |
8e6efa3a | 3907 | return err; |
ca5b91d6 | 3908 | } |
e53505a8 | 3909 | |
45f95acd | 3910 | err = mlx5_eth_lag_init(dev); |
9ef9c640 AH |
3911 | if (err) |
3912 | goto err_disable_roce; | |
3913 | ||
e53505a8 AS |
3914 | return 0; |
3915 | ||
9ef9c640 | 3916 | err_disable_roce: |
ca5b91d6 OG |
3917 | if (MLX5_CAP_GEN(dev->mdev, roce)) |
3918 | mlx5_nic_vport_disable_roce(dev->mdev); | |
9ef9c640 | 3919 | |
e53505a8 | 3920 | return err; |
fc24fc5e AS |
3921 | } |
3922 | ||
45f95acd | 3923 | static void mlx5_disable_eth(struct mlx5_ib_dev *dev) |
fc24fc5e | 3924 | { |
45f95acd | 3925 | mlx5_eth_lag_cleanup(dev); |
ca5b91d6 OG |
3926 | if (MLX5_CAP_GEN(dev->mdev, roce)) |
3927 | mlx5_nic_vport_disable_roce(dev->mdev); | |
fc24fc5e AS |
3928 | } |
3929 | ||
e1f24a79 | 3930 | struct mlx5_ib_counter { |
7c16f477 KH |
3931 | const char *name; |
3932 | size_t offset; | |
3933 | }; | |
3934 | ||
3935 | #define INIT_Q_COUNTER(_name) \ | |
3936 | { .name = #_name, .offset = MLX5_BYTE_OFF(query_q_counter_out, _name)} | |
3937 | ||
e1f24a79 | 3938 | static const struct mlx5_ib_counter basic_q_cnts[] = { |
7c16f477 KH |
3939 | INIT_Q_COUNTER(rx_write_requests), |
3940 | INIT_Q_COUNTER(rx_read_requests), | |
3941 | INIT_Q_COUNTER(rx_atomic_requests), | |
3942 | INIT_Q_COUNTER(out_of_buffer), | |
3943 | }; | |
3944 | ||
e1f24a79 | 3945 | static const struct mlx5_ib_counter out_of_seq_q_cnts[] = { |
7c16f477 KH |
3946 | INIT_Q_COUNTER(out_of_sequence), |
3947 | }; | |
3948 | ||
e1f24a79 | 3949 | static const struct mlx5_ib_counter retrans_q_cnts[] = { |
7c16f477 KH |
3950 | INIT_Q_COUNTER(duplicate_request), |
3951 | INIT_Q_COUNTER(rnr_nak_retry_err), | |
3952 | INIT_Q_COUNTER(packet_seq_err), | |
3953 | INIT_Q_COUNTER(implied_nak_seq_err), | |
3954 | INIT_Q_COUNTER(local_ack_timeout_err), | |
3955 | }; | |
3956 | ||
e1f24a79 PP |
3957 | #define INIT_CONG_COUNTER(_name) \ |
3958 | { .name = #_name, .offset = \ | |
3959 | MLX5_BYTE_OFF(query_cong_statistics_out, _name ## _high)} | |
3960 | ||
3961 | static const struct mlx5_ib_counter cong_cnts[] = { | |
3962 | INIT_CONG_COUNTER(rp_cnp_ignored), | |
3963 | INIT_CONG_COUNTER(rp_cnp_handled), | |
3964 | INIT_CONG_COUNTER(np_ecn_marked_roce_packets), | |
3965 | INIT_CONG_COUNTER(np_cnp_sent), | |
3966 | }; | |
3967 | ||
58dcb60a PP |
3968 | static const struct mlx5_ib_counter extended_err_cnts[] = { |
3969 | INIT_Q_COUNTER(resp_local_length_error), | |
3970 | INIT_Q_COUNTER(resp_cqe_error), | |
3971 | INIT_Q_COUNTER(req_cqe_error), | |
3972 | INIT_Q_COUNTER(req_remote_invalid_request), | |
3973 | INIT_Q_COUNTER(req_remote_access_errors), | |
3974 | INIT_Q_COUNTER(resp_remote_access_errors), | |
3975 | INIT_Q_COUNTER(resp_cqe_flush_error), | |
3976 | INIT_Q_COUNTER(req_cqe_flush_error), | |
3977 | }; | |
3978 | ||
e1f24a79 | 3979 | static void mlx5_ib_dealloc_counters(struct mlx5_ib_dev *dev) |
0837e86a | 3980 | { |
aac4492e | 3981 | int i; |
0837e86a | 3982 | |
7c16f477 | 3983 | for (i = 0; i < dev->num_ports; i++) { |
aac4492e DJ |
3984 | if (dev->port[i].cnts.set_id) |
3985 | mlx5_core_dealloc_q_counter(dev->mdev, | |
3986 | dev->port[i].cnts.set_id); | |
e1f24a79 PP |
3987 | kfree(dev->port[i].cnts.names); |
3988 | kfree(dev->port[i].cnts.offsets); | |
7c16f477 KH |
3989 | } |
3990 | } | |
3991 | ||
e1f24a79 PP |
3992 | static int __mlx5_ib_alloc_counters(struct mlx5_ib_dev *dev, |
3993 | struct mlx5_ib_counters *cnts) | |
7c16f477 KH |
3994 | { |
3995 | u32 num_counters; | |
3996 | ||
3997 | num_counters = ARRAY_SIZE(basic_q_cnts); | |
3998 | ||
3999 | if (MLX5_CAP_GEN(dev->mdev, out_of_seq_cnt)) | |
4000 | num_counters += ARRAY_SIZE(out_of_seq_q_cnts); | |
4001 | ||
4002 | if (MLX5_CAP_GEN(dev->mdev, retransmission_q_counters)) | |
4003 | num_counters += ARRAY_SIZE(retrans_q_cnts); | |
58dcb60a PP |
4004 | |
4005 | if (MLX5_CAP_GEN(dev->mdev, enhanced_error_q_counters)) | |
4006 | num_counters += ARRAY_SIZE(extended_err_cnts); | |
4007 | ||
e1f24a79 | 4008 | cnts->num_q_counters = num_counters; |
7c16f477 | 4009 | |
e1f24a79 PP |
4010 | if (MLX5_CAP_GEN(dev->mdev, cc_query_allowed)) { |
4011 | cnts->num_cong_counters = ARRAY_SIZE(cong_cnts); | |
4012 | num_counters += ARRAY_SIZE(cong_cnts); | |
4013 | } | |
4014 | ||
4015 | cnts->names = kcalloc(num_counters, sizeof(cnts->names), GFP_KERNEL); | |
4016 | if (!cnts->names) | |
7c16f477 KH |
4017 | return -ENOMEM; |
4018 | ||
e1f24a79 PP |
4019 | cnts->offsets = kcalloc(num_counters, |
4020 | sizeof(cnts->offsets), GFP_KERNEL); | |
4021 | if (!cnts->offsets) | |
7c16f477 KH |
4022 | goto err_names; |
4023 | ||
7c16f477 KH |
4024 | return 0; |
4025 | ||
4026 | err_names: | |
e1f24a79 | 4027 | kfree(cnts->names); |
aac4492e | 4028 | cnts->names = NULL; |
7c16f477 KH |
4029 | return -ENOMEM; |
4030 | } | |
4031 | ||
e1f24a79 PP |
4032 | static void mlx5_ib_fill_counters(struct mlx5_ib_dev *dev, |
4033 | const char **names, | |
4034 | size_t *offsets) | |
7c16f477 KH |
4035 | { |
4036 | int i; | |
4037 | int j = 0; | |
4038 | ||
4039 | for (i = 0; i < ARRAY_SIZE(basic_q_cnts); i++, j++) { | |
4040 | names[j] = basic_q_cnts[i].name; | |
4041 | offsets[j] = basic_q_cnts[i].offset; | |
4042 | } | |
4043 | ||
4044 | if (MLX5_CAP_GEN(dev->mdev, out_of_seq_cnt)) { | |
4045 | for (i = 0; i < ARRAY_SIZE(out_of_seq_q_cnts); i++, j++) { | |
4046 | names[j] = out_of_seq_q_cnts[i].name; | |
4047 | offsets[j] = out_of_seq_q_cnts[i].offset; | |
4048 | } | |
4049 | } | |
4050 | ||
4051 | if (MLX5_CAP_GEN(dev->mdev, retransmission_q_counters)) { | |
4052 | for (i = 0; i < ARRAY_SIZE(retrans_q_cnts); i++, j++) { | |
4053 | names[j] = retrans_q_cnts[i].name; | |
4054 | offsets[j] = retrans_q_cnts[i].offset; | |
4055 | } | |
4056 | } | |
e1f24a79 | 4057 | |
58dcb60a PP |
4058 | if (MLX5_CAP_GEN(dev->mdev, enhanced_error_q_counters)) { |
4059 | for (i = 0; i < ARRAY_SIZE(extended_err_cnts); i++, j++) { | |
4060 | names[j] = extended_err_cnts[i].name; | |
4061 | offsets[j] = extended_err_cnts[i].offset; | |
4062 | } | |
4063 | } | |
4064 | ||
e1f24a79 PP |
4065 | if (MLX5_CAP_GEN(dev->mdev, cc_query_allowed)) { |
4066 | for (i = 0; i < ARRAY_SIZE(cong_cnts); i++, j++) { | |
4067 | names[j] = cong_cnts[i].name; | |
4068 | offsets[j] = cong_cnts[i].offset; | |
4069 | } | |
4070 | } | |
0837e86a MB |
4071 | } |
4072 | ||
e1f24a79 | 4073 | static int mlx5_ib_alloc_counters(struct mlx5_ib_dev *dev) |
0837e86a | 4074 | { |
aac4492e | 4075 | int err = 0; |
0837e86a | 4076 | int i; |
0837e86a MB |
4077 | |
4078 | for (i = 0; i < dev->num_ports; i++) { | |
aac4492e DJ |
4079 | err = __mlx5_ib_alloc_counters(dev, &dev->port[i].cnts); |
4080 | if (err) | |
4081 | goto err_alloc; | |
4082 | ||
4083 | mlx5_ib_fill_counters(dev, dev->port[i].cnts.names, | |
4084 | dev->port[i].cnts.offsets); | |
7c16f477 | 4085 | |
aac4492e DJ |
4086 | err = mlx5_core_alloc_q_counter(dev->mdev, |
4087 | &dev->port[i].cnts.set_id); | |
4088 | if (err) { | |
0837e86a MB |
4089 | mlx5_ib_warn(dev, |
4090 | "couldn't allocate queue counter for port %d, err %d\n", | |
aac4492e DJ |
4091 | i + 1, err); |
4092 | goto err_alloc; | |
0837e86a | 4093 | } |
aac4492e | 4094 | dev->port[i].cnts.set_id_valid = true; |
0837e86a MB |
4095 | } |
4096 | ||
4097 | return 0; | |
4098 | ||
aac4492e DJ |
4099 | err_alloc: |
4100 | mlx5_ib_dealloc_counters(dev); | |
4101 | return err; | |
0837e86a MB |
4102 | } |
4103 | ||
0ad17a8f MB |
4104 | static struct rdma_hw_stats *mlx5_ib_alloc_hw_stats(struct ib_device *ibdev, |
4105 | u8 port_num) | |
4106 | { | |
7c16f477 KH |
4107 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
4108 | struct mlx5_ib_port *port = &dev->port[port_num - 1]; | |
0ad17a8f MB |
4109 | |
4110 | /* We support only per port stats */ | |
4111 | if (port_num == 0) | |
4112 | return NULL; | |
4113 | ||
e1f24a79 PP |
4114 | return rdma_alloc_hw_stats_struct(port->cnts.names, |
4115 | port->cnts.num_q_counters + | |
4116 | port->cnts.num_cong_counters, | |
0ad17a8f MB |
4117 | RDMA_HW_STATS_DEFAULT_LIFESPAN); |
4118 | } | |
4119 | ||
aac4492e | 4120 | static int mlx5_ib_query_q_counters(struct mlx5_core_dev *mdev, |
e1f24a79 PP |
4121 | struct mlx5_ib_port *port, |
4122 | struct rdma_hw_stats *stats) | |
0ad17a8f | 4123 | { |
0ad17a8f MB |
4124 | int outlen = MLX5_ST_SZ_BYTES(query_q_counter_out); |
4125 | void *out; | |
4126 | __be32 val; | |
e1f24a79 | 4127 | int ret, i; |
0ad17a8f | 4128 | |
1b9a07ee | 4129 | out = kvzalloc(outlen, GFP_KERNEL); |
0ad17a8f MB |
4130 | if (!out) |
4131 | return -ENOMEM; | |
4132 | ||
aac4492e | 4133 | ret = mlx5_core_query_q_counter(mdev, |
e1f24a79 | 4134 | port->cnts.set_id, 0, |
0ad17a8f MB |
4135 | out, outlen); |
4136 | if (ret) | |
4137 | goto free; | |
4138 | ||
e1f24a79 PP |
4139 | for (i = 0; i < port->cnts.num_q_counters; i++) { |
4140 | val = *(__be32 *)(out + port->cnts.offsets[i]); | |
0ad17a8f MB |
4141 | stats->value[i] = (u64)be32_to_cpu(val); |
4142 | } | |
7c16f477 | 4143 | |
0ad17a8f MB |
4144 | free: |
4145 | kvfree(out); | |
e1f24a79 PP |
4146 | return ret; |
4147 | } | |
4148 | ||
e1f24a79 PP |
4149 | static int mlx5_ib_get_hw_stats(struct ib_device *ibdev, |
4150 | struct rdma_hw_stats *stats, | |
4151 | u8 port_num, int index) | |
4152 | { | |
4153 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
4154 | struct mlx5_ib_port *port = &dev->port[port_num - 1]; | |
aac4492e | 4155 | struct mlx5_core_dev *mdev; |
e1f24a79 | 4156 | int ret, num_counters; |
aac4492e | 4157 | u8 mdev_port_num; |
e1f24a79 PP |
4158 | |
4159 | if (!stats) | |
4160 | return -EINVAL; | |
4161 | ||
aac4492e DJ |
4162 | num_counters = port->cnts.num_q_counters + port->cnts.num_cong_counters; |
4163 | ||
4164 | /* q_counters are per IB device, query the master mdev */ | |
4165 | ret = mlx5_ib_query_q_counters(dev->mdev, port, stats); | |
e1f24a79 PP |
4166 | if (ret) |
4167 | return ret; | |
e1f24a79 PP |
4168 | |
4169 | if (MLX5_CAP_GEN(dev->mdev, cc_query_allowed)) { | |
aac4492e DJ |
4170 | mdev = mlx5_ib_get_native_port_mdev(dev, port_num, |
4171 | &mdev_port_num); | |
4172 | if (!mdev) { | |
4173 | /* If port is not affiliated yet, its in down state | |
4174 | * which doesn't have any counters yet, so it would be | |
4175 | * zero. So no need to read from the HCA. | |
4176 | */ | |
4177 | goto done; | |
4178 | } | |
71a0ff65 MD |
4179 | ret = mlx5_lag_query_cong_counters(dev->mdev, |
4180 | stats->value + | |
4181 | port->cnts.num_q_counters, | |
4182 | port->cnts.num_cong_counters, | |
4183 | port->cnts.offsets + | |
4184 | port->cnts.num_q_counters); | |
aac4492e DJ |
4185 | |
4186 | mlx5_ib_put_native_port_mdev(dev, port_num); | |
e1f24a79 PP |
4187 | if (ret) |
4188 | return ret; | |
e1f24a79 PP |
4189 | } |
4190 | ||
aac4492e | 4191 | done: |
e1f24a79 | 4192 | return num_counters; |
0ad17a8f MB |
4193 | } |
4194 | ||
8e959601 NV |
4195 | static void mlx5_ib_free_rdma_netdev(struct net_device *netdev) |
4196 | { | |
4197 | return mlx5_rdma_netdev_free(netdev); | |
4198 | } | |
4199 | ||
693dfd5a ES |
4200 | static struct net_device* |
4201 | mlx5_ib_alloc_rdma_netdev(struct ib_device *hca, | |
4202 | u8 port_num, | |
4203 | enum rdma_netdev_t type, | |
4204 | const char *name, | |
4205 | unsigned char name_assign_type, | |
4206 | void (*setup)(struct net_device *)) | |
4207 | { | |
8e959601 NV |
4208 | struct net_device *netdev; |
4209 | struct rdma_netdev *rn; | |
4210 | ||
693dfd5a ES |
4211 | if (type != RDMA_NETDEV_IPOIB) |
4212 | return ERR_PTR(-EOPNOTSUPP); | |
4213 | ||
8e959601 NV |
4214 | netdev = mlx5_rdma_netdev_alloc(to_mdev(hca)->mdev, hca, |
4215 | name, setup); | |
4216 | if (likely(!IS_ERR_OR_NULL(netdev))) { | |
4217 | rn = netdev_priv(netdev); | |
4218 | rn->free_rdma_netdev = mlx5_ib_free_rdma_netdev; | |
4219 | } | |
4220 | return netdev; | |
693dfd5a ES |
4221 | } |
4222 | ||
fe248c3a MG |
4223 | static void delay_drop_debugfs_cleanup(struct mlx5_ib_dev *dev) |
4224 | { | |
4225 | if (!dev->delay_drop.dbg) | |
4226 | return; | |
4227 | debugfs_remove_recursive(dev->delay_drop.dbg->dir_debugfs); | |
4228 | kfree(dev->delay_drop.dbg); | |
4229 | dev->delay_drop.dbg = NULL; | |
4230 | } | |
4231 | ||
03404e8a MG |
4232 | static void cancel_delay_drop(struct mlx5_ib_dev *dev) |
4233 | { | |
4234 | if (!(dev->ib_dev.attrs.raw_packet_caps & IB_RAW_PACKET_CAP_DELAY_DROP)) | |
4235 | return; | |
4236 | ||
4237 | cancel_work_sync(&dev->delay_drop.delay_drop_work); | |
fe248c3a MG |
4238 | delay_drop_debugfs_cleanup(dev); |
4239 | } | |
4240 | ||
4241 | static ssize_t delay_drop_timeout_read(struct file *filp, char __user *buf, | |
4242 | size_t count, loff_t *pos) | |
4243 | { | |
4244 | struct mlx5_ib_delay_drop *delay_drop = filp->private_data; | |
4245 | char lbuf[20]; | |
4246 | int len; | |
4247 | ||
4248 | len = snprintf(lbuf, sizeof(lbuf), "%u\n", delay_drop->timeout); | |
4249 | return simple_read_from_buffer(buf, count, pos, lbuf, len); | |
4250 | } | |
4251 | ||
4252 | static ssize_t delay_drop_timeout_write(struct file *filp, const char __user *buf, | |
4253 | size_t count, loff_t *pos) | |
4254 | { | |
4255 | struct mlx5_ib_delay_drop *delay_drop = filp->private_data; | |
4256 | u32 timeout; | |
4257 | u32 var; | |
4258 | ||
4259 | if (kstrtouint_from_user(buf, count, 0, &var)) | |
4260 | return -EFAULT; | |
4261 | ||
4262 | timeout = min_t(u32, roundup(var, 100), MLX5_MAX_DELAY_DROP_TIMEOUT_MS * | |
4263 | 1000); | |
4264 | if (timeout != var) | |
4265 | mlx5_ib_dbg(delay_drop->dev, "Round delay drop timeout to %u usec\n", | |
4266 | timeout); | |
4267 | ||
4268 | delay_drop->timeout = timeout; | |
4269 | ||
4270 | return count; | |
4271 | } | |
4272 | ||
4273 | static const struct file_operations fops_delay_drop_timeout = { | |
4274 | .owner = THIS_MODULE, | |
4275 | .open = simple_open, | |
4276 | .write = delay_drop_timeout_write, | |
4277 | .read = delay_drop_timeout_read, | |
4278 | }; | |
4279 | ||
4280 | static int delay_drop_debugfs_init(struct mlx5_ib_dev *dev) | |
4281 | { | |
4282 | struct mlx5_ib_dbg_delay_drop *dbg; | |
4283 | ||
4284 | if (!mlx5_debugfs_root) | |
4285 | return 0; | |
4286 | ||
4287 | dbg = kzalloc(sizeof(*dbg), GFP_KERNEL); | |
4288 | if (!dbg) | |
4289 | return -ENOMEM; | |
4290 | ||
cbafad87 SM |
4291 | dev->delay_drop.dbg = dbg; |
4292 | ||
fe248c3a MG |
4293 | dbg->dir_debugfs = |
4294 | debugfs_create_dir("delay_drop", | |
4295 | dev->mdev->priv.dbg_root); | |
4296 | if (!dbg->dir_debugfs) | |
cbafad87 | 4297 | goto out_debugfs; |
fe248c3a MG |
4298 | |
4299 | dbg->events_cnt_debugfs = | |
4300 | debugfs_create_atomic_t("num_timeout_events", 0400, | |
4301 | dbg->dir_debugfs, | |
4302 | &dev->delay_drop.events_cnt); | |
4303 | if (!dbg->events_cnt_debugfs) | |
4304 | goto out_debugfs; | |
4305 | ||
4306 | dbg->rqs_cnt_debugfs = | |
4307 | debugfs_create_atomic_t("num_rqs", 0400, | |
4308 | dbg->dir_debugfs, | |
4309 | &dev->delay_drop.rqs_cnt); | |
4310 | if (!dbg->rqs_cnt_debugfs) | |
4311 | goto out_debugfs; | |
4312 | ||
4313 | dbg->timeout_debugfs = | |
4314 | debugfs_create_file("timeout", 0600, | |
4315 | dbg->dir_debugfs, | |
4316 | &dev->delay_drop, | |
4317 | &fops_delay_drop_timeout); | |
4318 | if (!dbg->timeout_debugfs) | |
4319 | goto out_debugfs; | |
4320 | ||
4321 | return 0; | |
4322 | ||
4323 | out_debugfs: | |
4324 | delay_drop_debugfs_cleanup(dev); | |
4325 | return -ENOMEM; | |
03404e8a MG |
4326 | } |
4327 | ||
4328 | static void init_delay_drop(struct mlx5_ib_dev *dev) | |
4329 | { | |
4330 | if (!(dev->ib_dev.attrs.raw_packet_caps & IB_RAW_PACKET_CAP_DELAY_DROP)) | |
4331 | return; | |
4332 | ||
4333 | mutex_init(&dev->delay_drop.lock); | |
4334 | dev->delay_drop.dev = dev; | |
4335 | dev->delay_drop.activate = false; | |
4336 | dev->delay_drop.timeout = MLX5_MAX_DELAY_DROP_TIMEOUT_MS * 1000; | |
4337 | INIT_WORK(&dev->delay_drop.delay_drop_work, delay_drop_handler); | |
fe248c3a MG |
4338 | atomic_set(&dev->delay_drop.rqs_cnt, 0); |
4339 | atomic_set(&dev->delay_drop.events_cnt, 0); | |
4340 | ||
4341 | if (delay_drop_debugfs_init(dev)) | |
4342 | mlx5_ib_warn(dev, "Failed to init delay drop debugfs\n"); | |
03404e8a MG |
4343 | } |
4344 | ||
84305d71 LR |
4345 | static const struct cpumask * |
4346 | mlx5_ib_get_vector_affinity(struct ib_device *ibdev, int comp_vector) | |
40b24403 SG |
4347 | { |
4348 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
4349 | ||
4350 | return mlx5_get_vector_affinity(dev->mdev, comp_vector); | |
4351 | } | |
4352 | ||
32f69e4b DJ |
4353 | /* The mlx5_ib_multiport_mutex should be held when calling this function */ |
4354 | static void mlx5_ib_unbind_slave_port(struct mlx5_ib_dev *ibdev, | |
4355 | struct mlx5_ib_multiport_info *mpi) | |
4356 | { | |
4357 | u8 port_num = mlx5_core_native_port_num(mpi->mdev) - 1; | |
4358 | struct mlx5_ib_port *port = &ibdev->port[port_num]; | |
4359 | int comps; | |
4360 | int err; | |
4361 | int i; | |
4362 | ||
a9e546e7 PP |
4363 | mlx5_ib_cleanup_cong_debugfs(ibdev, port_num); |
4364 | ||
32f69e4b DJ |
4365 | spin_lock(&port->mp.mpi_lock); |
4366 | if (!mpi->ibdev) { | |
4367 | spin_unlock(&port->mp.mpi_lock); | |
4368 | return; | |
4369 | } | |
4370 | mpi->ibdev = NULL; | |
4371 | ||
4372 | spin_unlock(&port->mp.mpi_lock); | |
4373 | mlx5_remove_netdev_notifier(ibdev, port_num); | |
4374 | spin_lock(&port->mp.mpi_lock); | |
4375 | ||
4376 | comps = mpi->mdev_refcnt; | |
4377 | if (comps) { | |
4378 | mpi->unaffiliate = true; | |
4379 | init_completion(&mpi->unref_comp); | |
4380 | spin_unlock(&port->mp.mpi_lock); | |
4381 | ||
4382 | for (i = 0; i < comps; i++) | |
4383 | wait_for_completion(&mpi->unref_comp); | |
4384 | ||
4385 | spin_lock(&port->mp.mpi_lock); | |
4386 | mpi->unaffiliate = false; | |
4387 | } | |
4388 | ||
4389 | port->mp.mpi = NULL; | |
4390 | ||
4391 | list_add_tail(&mpi->list, &mlx5_ib_unaffiliated_port_list); | |
4392 | ||
4393 | spin_unlock(&port->mp.mpi_lock); | |
4394 | ||
4395 | err = mlx5_nic_vport_unaffiliate_multiport(mpi->mdev); | |
4396 | ||
4397 | mlx5_ib_dbg(ibdev, "unaffiliated port %d\n", port_num + 1); | |
4398 | /* Log an error, still needed to cleanup the pointers and add | |
4399 | * it back to the list. | |
4400 | */ | |
4401 | if (err) | |
4402 | mlx5_ib_err(ibdev, "Failed to unaffiliate port %u\n", | |
4403 | port_num + 1); | |
4404 | ||
4405 | ibdev->roce[port_num].last_port_state = IB_PORT_DOWN; | |
4406 | } | |
4407 | ||
4408 | /* The mlx5_ib_multiport_mutex should be held when calling this function */ | |
4409 | static bool mlx5_ib_bind_slave_port(struct mlx5_ib_dev *ibdev, | |
4410 | struct mlx5_ib_multiport_info *mpi) | |
4411 | { | |
4412 | u8 port_num = mlx5_core_native_port_num(mpi->mdev) - 1; | |
4413 | int err; | |
4414 | ||
4415 | spin_lock(&ibdev->port[port_num].mp.mpi_lock); | |
4416 | if (ibdev->port[port_num].mp.mpi) { | |
4417 | mlx5_ib_warn(ibdev, "port %d already affiliated.\n", | |
4418 | port_num + 1); | |
4419 | spin_unlock(&ibdev->port[port_num].mp.mpi_lock); | |
4420 | return false; | |
4421 | } | |
4422 | ||
4423 | ibdev->port[port_num].mp.mpi = mpi; | |
4424 | mpi->ibdev = ibdev; | |
4425 | spin_unlock(&ibdev->port[port_num].mp.mpi_lock); | |
4426 | ||
4427 | err = mlx5_nic_vport_affiliate_multiport(ibdev->mdev, mpi->mdev); | |
4428 | if (err) | |
4429 | goto unbind; | |
4430 | ||
4431 | err = get_port_caps(ibdev, mlx5_core_native_port_num(mpi->mdev)); | |
4432 | if (err) | |
4433 | goto unbind; | |
4434 | ||
4435 | err = mlx5_add_netdev_notifier(ibdev, port_num); | |
4436 | if (err) { | |
4437 | mlx5_ib_err(ibdev, "failed adding netdev notifier for port %u\n", | |
4438 | port_num + 1); | |
4439 | goto unbind; | |
4440 | } | |
4441 | ||
a9e546e7 PP |
4442 | err = mlx5_ib_init_cong_debugfs(ibdev, port_num); |
4443 | if (err) | |
4444 | goto unbind; | |
4445 | ||
32f69e4b DJ |
4446 | return true; |
4447 | ||
4448 | unbind: | |
4449 | mlx5_ib_unbind_slave_port(ibdev, mpi); | |
4450 | return false; | |
4451 | } | |
4452 | ||
4453 | static int mlx5_ib_init_multiport_master(struct mlx5_ib_dev *dev) | |
4454 | { | |
4455 | int port_num = mlx5_core_native_port_num(dev->mdev) - 1; | |
4456 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(&dev->ib_dev, | |
4457 | port_num + 1); | |
4458 | struct mlx5_ib_multiport_info *mpi; | |
4459 | int err; | |
4460 | int i; | |
4461 | ||
4462 | if (!mlx5_core_is_mp_master(dev->mdev) || ll != IB_LINK_LAYER_ETHERNET) | |
4463 | return 0; | |
4464 | ||
4465 | err = mlx5_query_nic_vport_system_image_guid(dev->mdev, | |
4466 | &dev->sys_image_guid); | |
4467 | if (err) | |
4468 | return err; | |
4469 | ||
4470 | err = mlx5_nic_vport_enable_roce(dev->mdev); | |
4471 | if (err) | |
4472 | return err; | |
4473 | ||
4474 | mutex_lock(&mlx5_ib_multiport_mutex); | |
4475 | for (i = 0; i < dev->num_ports; i++) { | |
4476 | bool bound = false; | |
4477 | ||
4478 | /* build a stub multiport info struct for the native port. */ | |
4479 | if (i == port_num) { | |
4480 | mpi = kzalloc(sizeof(*mpi), GFP_KERNEL); | |
4481 | if (!mpi) { | |
4482 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
4483 | mlx5_nic_vport_disable_roce(dev->mdev); | |
4484 | return -ENOMEM; | |
4485 | } | |
4486 | ||
4487 | mpi->is_master = true; | |
4488 | mpi->mdev = dev->mdev; | |
4489 | mpi->sys_image_guid = dev->sys_image_guid; | |
4490 | dev->port[i].mp.mpi = mpi; | |
4491 | mpi->ibdev = dev; | |
4492 | mpi = NULL; | |
4493 | continue; | |
4494 | } | |
4495 | ||
4496 | list_for_each_entry(mpi, &mlx5_ib_unaffiliated_port_list, | |
4497 | list) { | |
4498 | if (dev->sys_image_guid == mpi->sys_image_guid && | |
4499 | (mlx5_core_native_port_num(mpi->mdev) - 1) == i) { | |
4500 | bound = mlx5_ib_bind_slave_port(dev, mpi); | |
4501 | } | |
4502 | ||
4503 | if (bound) { | |
4504 | dev_dbg(&mpi->mdev->pdev->dev, "removing port from unaffiliated list.\n"); | |
4505 | mlx5_ib_dbg(dev, "port %d bound\n", i + 1); | |
4506 | list_del(&mpi->list); | |
4507 | break; | |
4508 | } | |
4509 | } | |
4510 | if (!bound) { | |
4511 | get_port_caps(dev, i + 1); | |
4512 | mlx5_ib_dbg(dev, "no free port found for port %d\n", | |
4513 | i + 1); | |
4514 | } | |
4515 | } | |
4516 | ||
4517 | list_add_tail(&dev->ib_dev_list, &mlx5_ib_dev_list); | |
4518 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
4519 | return err; | |
4520 | } | |
4521 | ||
4522 | static void mlx5_ib_cleanup_multiport_master(struct mlx5_ib_dev *dev) | |
4523 | { | |
4524 | int port_num = mlx5_core_native_port_num(dev->mdev) - 1; | |
4525 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(&dev->ib_dev, | |
4526 | port_num + 1); | |
4527 | int i; | |
4528 | ||
4529 | if (!mlx5_core_is_mp_master(dev->mdev) || ll != IB_LINK_LAYER_ETHERNET) | |
4530 | return; | |
4531 | ||
4532 | mutex_lock(&mlx5_ib_multiport_mutex); | |
4533 | for (i = 0; i < dev->num_ports; i++) { | |
4534 | if (dev->port[i].mp.mpi) { | |
4535 | /* Destroy the native port stub */ | |
4536 | if (i == port_num) { | |
4537 | kfree(dev->port[i].mp.mpi); | |
4538 | dev->port[i].mp.mpi = NULL; | |
4539 | } else { | |
4540 | mlx5_ib_dbg(dev, "unbinding port_num: %d\n", i + 1); | |
4541 | mlx5_ib_unbind_slave_port(dev, dev->port[i].mp.mpi); | |
4542 | } | |
4543 | } | |
4544 | } | |
4545 | ||
4546 | mlx5_ib_dbg(dev, "removing from devlist\n"); | |
4547 | list_del(&dev->ib_dev_list); | |
4548 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
4549 | ||
4550 | mlx5_nic_vport_disable_roce(dev->mdev); | |
4551 | } | |
4552 | ||
b5ca15ad | 4553 | void mlx5_ib_stage_init_cleanup(struct mlx5_ib_dev *dev) |
e126ba97 | 4554 | { |
32f69e4b | 4555 | mlx5_ib_cleanup_multiport_master(dev); |
3cc297db MB |
4556 | #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING |
4557 | cleanup_srcu_struct(&dev->mr_srcu); | |
4558 | #endif | |
16c1975f MB |
4559 | kfree(dev->port); |
4560 | } | |
4561 | ||
b5ca15ad | 4562 | int mlx5_ib_stage_init_init(struct mlx5_ib_dev *dev) |
16c1975f MB |
4563 | { |
4564 | struct mlx5_core_dev *mdev = dev->mdev; | |
4babcf97 | 4565 | const char *name; |
e126ba97 | 4566 | int err; |
32f69e4b | 4567 | int i; |
e126ba97 | 4568 | |
508562d6 | 4569 | dev->port = kcalloc(dev->num_ports, sizeof(*dev->port), |
0837e86a MB |
4570 | GFP_KERNEL); |
4571 | if (!dev->port) | |
16c1975f | 4572 | return -ENOMEM; |
0837e86a | 4573 | |
32f69e4b DJ |
4574 | for (i = 0; i < dev->num_ports; i++) { |
4575 | spin_lock_init(&dev->port[i].mp.mpi_lock); | |
4576 | rwlock_init(&dev->roce[i].netdev_lock); | |
4577 | } | |
4578 | ||
4579 | err = mlx5_ib_init_multiport_master(dev); | |
e126ba97 | 4580 | if (err) |
0837e86a | 4581 | goto err_free_port; |
e126ba97 | 4582 | |
32f69e4b | 4583 | if (!mlx5_core_mp_enabled(mdev)) { |
32f69e4b DJ |
4584 | for (i = 1; i <= dev->num_ports; i++) { |
4585 | err = get_port_caps(dev, i); | |
4586 | if (err) | |
4587 | break; | |
4588 | } | |
4589 | } else { | |
4590 | err = get_port_caps(dev, mlx5_core_native_port_num(mdev)); | |
4591 | } | |
4592 | if (err) | |
4593 | goto err_mp; | |
4594 | ||
1b5daf11 MD |
4595 | if (mlx5_use_mad_ifc(dev)) |
4596 | get_ext_port_caps(dev); | |
e126ba97 | 4597 | |
4babcf97 AH |
4598 | if (!mlx5_lag_is_active(mdev)) |
4599 | name = "mlx5_%d"; | |
4600 | else | |
4601 | name = "mlx5_bond_%d"; | |
4602 | ||
4603 | strlcpy(dev->ib_dev.name, name, IB_DEVICE_NAME_MAX); | |
e126ba97 EC |
4604 | dev->ib_dev.owner = THIS_MODULE; |
4605 | dev->ib_dev.node_type = RDMA_NODE_IB_CA; | |
c6790aa9 | 4606 | dev->ib_dev.local_dma_lkey = 0 /* not supported for now */; |
508562d6 | 4607 | dev->ib_dev.phys_port_cnt = dev->num_ports; |
233d05d2 SM |
4608 | dev->ib_dev.num_comp_vectors = |
4609 | dev->mdev->priv.eq_table.num_comp_vectors; | |
9b0c289e | 4610 | dev->ib_dev.dev.parent = &mdev->pdev->dev; |
e126ba97 | 4611 | |
3cc297db MB |
4612 | mutex_init(&dev->cap_mask_mutex); |
4613 | INIT_LIST_HEAD(&dev->qp_list); | |
4614 | spin_lock_init(&dev->reset_flow_resource_lock); | |
4615 | ||
4616 | #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING | |
4617 | err = init_srcu_struct(&dev->mr_srcu); | |
4618 | if (err) | |
4619 | goto err_free_port; | |
4620 | #endif | |
4621 | ||
16c1975f | 4622 | return 0; |
32f69e4b DJ |
4623 | err_mp: |
4624 | mlx5_ib_cleanup_multiport_master(dev); | |
16c1975f MB |
4625 | |
4626 | err_free_port: | |
4627 | kfree(dev->port); | |
4628 | ||
4629 | return -ENOMEM; | |
4630 | } | |
4631 | ||
9a4ca38d MB |
4632 | static int mlx5_ib_stage_flow_db_init(struct mlx5_ib_dev *dev) |
4633 | { | |
4634 | dev->flow_db = kzalloc(sizeof(*dev->flow_db), GFP_KERNEL); | |
4635 | ||
4636 | if (!dev->flow_db) | |
4637 | return -ENOMEM; | |
4638 | ||
4639 | mutex_init(&dev->flow_db->lock); | |
4640 | ||
4641 | return 0; | |
4642 | } | |
4643 | ||
b5ca15ad MB |
4644 | int mlx5_ib_stage_rep_flow_db_init(struct mlx5_ib_dev *dev) |
4645 | { | |
4646 | struct mlx5_ib_dev *nic_dev; | |
4647 | ||
4648 | nic_dev = mlx5_ib_get_uplink_ibdev(dev->mdev->priv.eswitch); | |
4649 | ||
4650 | if (!nic_dev) | |
4651 | return -EINVAL; | |
4652 | ||
4653 | dev->flow_db = nic_dev->flow_db; | |
4654 | ||
4655 | return 0; | |
4656 | } | |
4657 | ||
9a4ca38d MB |
4658 | static void mlx5_ib_stage_flow_db_cleanup(struct mlx5_ib_dev *dev) |
4659 | { | |
4660 | kfree(dev->flow_db); | |
4661 | } | |
4662 | ||
b5ca15ad | 4663 | int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev) |
16c1975f MB |
4664 | { |
4665 | struct mlx5_core_dev *mdev = dev->mdev; | |
16c1975f MB |
4666 | int err; |
4667 | ||
e126ba97 EC |
4668 | dev->ib_dev.uverbs_abi_ver = MLX5_IB_UVERBS_ABI_VERSION; |
4669 | dev->ib_dev.uverbs_cmd_mask = | |
4670 | (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | | |
4671 | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | | |
4672 | (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | | |
4673 | (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | | |
4674 | (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | | |
41c450fd MS |
4675 | (1ull << IB_USER_VERBS_CMD_CREATE_AH) | |
4676 | (1ull << IB_USER_VERBS_CMD_DESTROY_AH) | | |
e126ba97 | 4677 | (1ull << IB_USER_VERBS_CMD_REG_MR) | |
56e11d62 | 4678 | (1ull << IB_USER_VERBS_CMD_REREG_MR) | |
e126ba97 EC |
4679 | (1ull << IB_USER_VERBS_CMD_DEREG_MR) | |
4680 | (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | | |
4681 | (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | | |
4682 | (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) | | |
4683 | (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | | |
4684 | (1ull << IB_USER_VERBS_CMD_CREATE_QP) | | |
4685 | (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | | |
4686 | (1ull << IB_USER_VERBS_CMD_QUERY_QP) | | |
4687 | (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | | |
4688 | (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) | | |
4689 | (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) | | |
4690 | (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | | |
4691 | (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | | |
4692 | (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | | |
4693 | (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ) | | |
4694 | (1ull << IB_USER_VERBS_CMD_CREATE_XSRQ) | | |
4695 | (1ull << IB_USER_VERBS_CMD_OPEN_QP); | |
1707cb4a | 4696 | dev->ib_dev.uverbs_ex_cmd_mask = |
d4584ddf MB |
4697 | (1ull << IB_USER_VERBS_EX_CMD_QUERY_DEVICE) | |
4698 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_CQ) | | |
7d29f349 | 4699 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_QP) | |
b0e9df6d YC |
4700 | (1ull << IB_USER_VERBS_EX_CMD_MODIFY_QP) | |
4701 | (1ull << IB_USER_VERBS_EX_CMD_MODIFY_CQ); | |
e126ba97 EC |
4702 | |
4703 | dev->ib_dev.query_device = mlx5_ib_query_device; | |
ebd61f68 | 4704 | dev->ib_dev.get_link_layer = mlx5_ib_port_link_layer; |
e126ba97 | 4705 | dev->ib_dev.query_gid = mlx5_ib_query_gid; |
3cca2606 AS |
4706 | dev->ib_dev.add_gid = mlx5_ib_add_gid; |
4707 | dev->ib_dev.del_gid = mlx5_ib_del_gid; | |
e126ba97 EC |
4708 | dev->ib_dev.query_pkey = mlx5_ib_query_pkey; |
4709 | dev->ib_dev.modify_device = mlx5_ib_modify_device; | |
4710 | dev->ib_dev.modify_port = mlx5_ib_modify_port; | |
4711 | dev->ib_dev.alloc_ucontext = mlx5_ib_alloc_ucontext; | |
4712 | dev->ib_dev.dealloc_ucontext = mlx5_ib_dealloc_ucontext; | |
4713 | dev->ib_dev.mmap = mlx5_ib_mmap; | |
4714 | dev->ib_dev.alloc_pd = mlx5_ib_alloc_pd; | |
4715 | dev->ib_dev.dealloc_pd = mlx5_ib_dealloc_pd; | |
4716 | dev->ib_dev.create_ah = mlx5_ib_create_ah; | |
4717 | dev->ib_dev.query_ah = mlx5_ib_query_ah; | |
4718 | dev->ib_dev.destroy_ah = mlx5_ib_destroy_ah; | |
4719 | dev->ib_dev.create_srq = mlx5_ib_create_srq; | |
4720 | dev->ib_dev.modify_srq = mlx5_ib_modify_srq; | |
4721 | dev->ib_dev.query_srq = mlx5_ib_query_srq; | |
4722 | dev->ib_dev.destroy_srq = mlx5_ib_destroy_srq; | |
4723 | dev->ib_dev.post_srq_recv = mlx5_ib_post_srq_recv; | |
4724 | dev->ib_dev.create_qp = mlx5_ib_create_qp; | |
4725 | dev->ib_dev.modify_qp = mlx5_ib_modify_qp; | |
4726 | dev->ib_dev.query_qp = mlx5_ib_query_qp; | |
4727 | dev->ib_dev.destroy_qp = mlx5_ib_destroy_qp; | |
4728 | dev->ib_dev.post_send = mlx5_ib_post_send; | |
4729 | dev->ib_dev.post_recv = mlx5_ib_post_recv; | |
4730 | dev->ib_dev.create_cq = mlx5_ib_create_cq; | |
4731 | dev->ib_dev.modify_cq = mlx5_ib_modify_cq; | |
4732 | dev->ib_dev.resize_cq = mlx5_ib_resize_cq; | |
4733 | dev->ib_dev.destroy_cq = mlx5_ib_destroy_cq; | |
4734 | dev->ib_dev.poll_cq = mlx5_ib_poll_cq; | |
4735 | dev->ib_dev.req_notify_cq = mlx5_ib_arm_cq; | |
4736 | dev->ib_dev.get_dma_mr = mlx5_ib_get_dma_mr; | |
4737 | dev->ib_dev.reg_user_mr = mlx5_ib_reg_user_mr; | |
56e11d62 | 4738 | dev->ib_dev.rereg_user_mr = mlx5_ib_rereg_user_mr; |
e126ba97 EC |
4739 | dev->ib_dev.dereg_mr = mlx5_ib_dereg_mr; |
4740 | dev->ib_dev.attach_mcast = mlx5_ib_mcg_attach; | |
4741 | dev->ib_dev.detach_mcast = mlx5_ib_mcg_detach; | |
4742 | dev->ib_dev.process_mad = mlx5_ib_process_mad; | |
9bee178b | 4743 | dev->ib_dev.alloc_mr = mlx5_ib_alloc_mr; |
8a187ee5 | 4744 | dev->ib_dev.map_mr_sg = mlx5_ib_map_mr_sg; |
d5436ba0 | 4745 | dev->ib_dev.check_mr_status = mlx5_ib_check_mr_status; |
c7342823 | 4746 | dev->ib_dev.get_dev_fw_str = get_dev_fw_str; |
40b24403 | 4747 | dev->ib_dev.get_vector_affinity = mlx5_ib_get_vector_affinity; |
8e959601 | 4748 | if (MLX5_CAP_GEN(mdev, ipoib_enhanced_offloads)) |
022d038a | 4749 | dev->ib_dev.alloc_rdma_netdev = mlx5_ib_alloc_rdma_netdev; |
8e959601 | 4750 | |
eff901d3 EC |
4751 | if (mlx5_core_is_pf(mdev)) { |
4752 | dev->ib_dev.get_vf_config = mlx5_ib_get_vf_config; | |
4753 | dev->ib_dev.set_vf_link_state = mlx5_ib_set_vf_link_state; | |
4754 | dev->ib_dev.get_vf_stats = mlx5_ib_get_vf_stats; | |
4755 | dev->ib_dev.set_vf_guid = mlx5_ib_set_vf_guid; | |
4756 | } | |
e126ba97 | 4757 | |
7c2344c3 MG |
4758 | dev->ib_dev.disassociate_ucontext = mlx5_ib_disassociate_ucontext; |
4759 | ||
6e8484c5 MG |
4760 | dev->umr_fence = mlx5_get_umr_fence(MLX5_CAP_GEN(mdev, umr_fence)); |
4761 | ||
d2370e0a MB |
4762 | if (MLX5_CAP_GEN(mdev, imaicl)) { |
4763 | dev->ib_dev.alloc_mw = mlx5_ib_alloc_mw; | |
4764 | dev->ib_dev.dealloc_mw = mlx5_ib_dealloc_mw; | |
4765 | dev->ib_dev.uverbs_cmd_mask |= | |
4766 | (1ull << IB_USER_VERBS_CMD_ALLOC_MW) | | |
4767 | (1ull << IB_USER_VERBS_CMD_DEALLOC_MW); | |
4768 | } | |
4769 | ||
938fe83c | 4770 | if (MLX5_CAP_GEN(mdev, xrc)) { |
e126ba97 EC |
4771 | dev->ib_dev.alloc_xrcd = mlx5_ib_alloc_xrcd; |
4772 | dev->ib_dev.dealloc_xrcd = mlx5_ib_dealloc_xrcd; | |
4773 | dev->ib_dev.uverbs_cmd_mask |= | |
4774 | (1ull << IB_USER_VERBS_CMD_OPEN_XRCD) | | |
4775 | (1ull << IB_USER_VERBS_CMD_CLOSE_XRCD); | |
4776 | } | |
4777 | ||
81e30880 YH |
4778 | dev->ib_dev.create_flow = mlx5_ib_create_flow; |
4779 | dev->ib_dev.destroy_flow = mlx5_ib_destroy_flow; | |
4780 | dev->ib_dev.uverbs_ex_cmd_mask |= | |
4781 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_FLOW) | | |
4782 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_FLOW); | |
4783 | ||
e126ba97 EC |
4784 | err = init_node_data(dev); |
4785 | if (err) | |
16c1975f | 4786 | return err; |
e126ba97 | 4787 | |
c8b89924 | 4788 | if ((MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_ETH) && |
e7996a9a JG |
4789 | (MLX5_CAP_GEN(dev->mdev, disable_local_lb_uc) || |
4790 | MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc))) | |
c8b89924 MB |
4791 | mutex_init(&dev->lb_mutex); |
4792 | ||
16c1975f MB |
4793 | return 0; |
4794 | } | |
4795 | ||
8e6efa3a MB |
4796 | static int mlx5_ib_stage_non_default_cb(struct mlx5_ib_dev *dev) |
4797 | { | |
4798 | dev->ib_dev.get_port_immutable = mlx5_port_immutable; | |
4799 | dev->ib_dev.query_port = mlx5_ib_query_port; | |
4800 | ||
4801 | return 0; | |
4802 | } | |
4803 | ||
b5ca15ad | 4804 | int mlx5_ib_stage_rep_non_default_cb(struct mlx5_ib_dev *dev) |
8e6efa3a MB |
4805 | { |
4806 | dev->ib_dev.get_port_immutable = mlx5_port_rep_immutable; | |
4807 | dev->ib_dev.query_port = mlx5_ib_rep_query_port; | |
4808 | ||
4809 | return 0; | |
4810 | } | |
4811 | ||
4812 | static int mlx5_ib_stage_common_roce_init(struct mlx5_ib_dev *dev, | |
4813 | u8 port_num) | |
4814 | { | |
4815 | int i; | |
4816 | ||
4817 | for (i = 0; i < dev->num_ports; i++) { | |
4818 | dev->roce[i].dev = dev; | |
4819 | dev->roce[i].native_port_num = i + 1; | |
4820 | dev->roce[i].last_port_state = IB_PORT_DOWN; | |
4821 | } | |
4822 | ||
4823 | dev->ib_dev.get_netdev = mlx5_ib_get_netdev; | |
4824 | dev->ib_dev.create_wq = mlx5_ib_create_wq; | |
4825 | dev->ib_dev.modify_wq = mlx5_ib_modify_wq; | |
4826 | dev->ib_dev.destroy_wq = mlx5_ib_destroy_wq; | |
4827 | dev->ib_dev.create_rwq_ind_table = mlx5_ib_create_rwq_ind_table; | |
4828 | dev->ib_dev.destroy_rwq_ind_table = mlx5_ib_destroy_rwq_ind_table; | |
4829 | ||
4830 | dev->ib_dev.uverbs_ex_cmd_mask |= | |
4831 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_WQ) | | |
4832 | (1ull << IB_USER_VERBS_EX_CMD_MODIFY_WQ) | | |
4833 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_WQ) | | |
4834 | (1ull << IB_USER_VERBS_EX_CMD_CREATE_RWQ_IND_TBL) | | |
4835 | (1ull << IB_USER_VERBS_EX_CMD_DESTROY_RWQ_IND_TBL); | |
4836 | ||
4837 | return mlx5_add_netdev_notifier(dev, port_num); | |
4838 | } | |
4839 | ||
4840 | static void mlx5_ib_stage_common_roce_cleanup(struct mlx5_ib_dev *dev) | |
4841 | { | |
4842 | u8 port_num = mlx5_core_native_port_num(dev->mdev) - 1; | |
4843 | ||
4844 | mlx5_remove_netdev_notifier(dev, port_num); | |
4845 | } | |
4846 | ||
4847 | int mlx5_ib_stage_rep_roce_init(struct mlx5_ib_dev *dev) | |
4848 | { | |
4849 | struct mlx5_core_dev *mdev = dev->mdev; | |
4850 | enum rdma_link_layer ll; | |
4851 | int port_type_cap; | |
4852 | int err = 0; | |
4853 | u8 port_num; | |
4854 | ||
4855 | port_num = mlx5_core_native_port_num(dev->mdev) - 1; | |
4856 | port_type_cap = MLX5_CAP_GEN(mdev, port_type); | |
4857 | ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
4858 | ||
4859 | if (ll == IB_LINK_LAYER_ETHERNET) | |
4860 | err = mlx5_ib_stage_common_roce_init(dev, port_num); | |
4861 | ||
4862 | return err; | |
4863 | } | |
4864 | ||
4865 | void mlx5_ib_stage_rep_roce_cleanup(struct mlx5_ib_dev *dev) | |
4866 | { | |
4867 | mlx5_ib_stage_common_roce_cleanup(dev); | |
4868 | } | |
4869 | ||
16c1975f MB |
4870 | static int mlx5_ib_stage_roce_init(struct mlx5_ib_dev *dev) |
4871 | { | |
4872 | struct mlx5_core_dev *mdev = dev->mdev; | |
4873 | enum rdma_link_layer ll; | |
4874 | int port_type_cap; | |
32f69e4b | 4875 | u8 port_num; |
16c1975f MB |
4876 | int err; |
4877 | ||
32f69e4b | 4878 | port_num = mlx5_core_native_port_num(dev->mdev) - 1; |
16c1975f MB |
4879 | port_type_cap = MLX5_CAP_GEN(mdev, port_type); |
4880 | ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
4881 | ||
fc24fc5e | 4882 | if (ll == IB_LINK_LAYER_ETHERNET) { |
8e6efa3a MB |
4883 | err = mlx5_ib_stage_common_roce_init(dev, port_num); |
4884 | if (err) | |
4885 | return err; | |
7fd8aefb | 4886 | |
7fd8aefb | 4887 | err = mlx5_enable_eth(dev, port_num); |
fc24fc5e | 4888 | if (err) |
8e6efa3a | 4889 | goto cleanup; |
fc24fc5e AS |
4890 | } |
4891 | ||
16c1975f | 4892 | return 0; |
8e6efa3a MB |
4893 | cleanup: |
4894 | mlx5_ib_stage_common_roce_cleanup(dev); | |
4895 | ||
4896 | return err; | |
16c1975f | 4897 | } |
e126ba97 | 4898 | |
16c1975f MB |
4899 | static void mlx5_ib_stage_roce_cleanup(struct mlx5_ib_dev *dev) |
4900 | { | |
4901 | struct mlx5_core_dev *mdev = dev->mdev; | |
4902 | enum rdma_link_layer ll; | |
4903 | int port_type_cap; | |
32f69e4b | 4904 | u8 port_num; |
e126ba97 | 4905 | |
32f69e4b | 4906 | port_num = mlx5_core_native_port_num(dev->mdev) - 1; |
16c1975f MB |
4907 | port_type_cap = MLX5_CAP_GEN(mdev, port_type); |
4908 | ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
4909 | ||
4910 | if (ll == IB_LINK_LAYER_ETHERNET) { | |
4911 | mlx5_disable_eth(dev); | |
8e6efa3a | 4912 | mlx5_ib_stage_common_roce_cleanup(dev); |
45bded2c | 4913 | } |
16c1975f | 4914 | } |
6aec21f6 | 4915 | |
b5ca15ad | 4916 | int mlx5_ib_stage_dev_res_init(struct mlx5_ib_dev *dev) |
16c1975f MB |
4917 | { |
4918 | return create_dev_resources(&dev->devr); | |
4919 | } | |
4920 | ||
b5ca15ad | 4921 | void mlx5_ib_stage_dev_res_cleanup(struct mlx5_ib_dev *dev) |
16c1975f MB |
4922 | { |
4923 | destroy_dev_resources(&dev->devr); | |
4924 | } | |
4925 | ||
4926 | static int mlx5_ib_stage_odp_init(struct mlx5_ib_dev *dev) | |
4927 | { | |
07321b3c MB |
4928 | mlx5_ib_internal_fill_odp_caps(dev); |
4929 | ||
16c1975f MB |
4930 | return mlx5_ib_odp_init_one(dev); |
4931 | } | |
4a2da0b8 | 4932 | |
b5ca15ad | 4933 | int mlx5_ib_stage_counters_init(struct mlx5_ib_dev *dev) |
16c1975f | 4934 | { |
5e1e7612 MB |
4935 | if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt)) { |
4936 | dev->ib_dev.get_hw_stats = mlx5_ib_get_hw_stats; | |
4937 | dev->ib_dev.alloc_hw_stats = mlx5_ib_alloc_hw_stats; | |
4938 | ||
4939 | return mlx5_ib_alloc_counters(dev); | |
4940 | } | |
16c1975f MB |
4941 | |
4942 | return 0; | |
4943 | } | |
4944 | ||
b5ca15ad | 4945 | void mlx5_ib_stage_counters_cleanup(struct mlx5_ib_dev *dev) |
16c1975f MB |
4946 | { |
4947 | if (MLX5_CAP_GEN(dev->mdev, max_qp_cnt)) | |
4948 | mlx5_ib_dealloc_counters(dev); | |
4949 | } | |
4950 | ||
4951 | static int mlx5_ib_stage_cong_debugfs_init(struct mlx5_ib_dev *dev) | |
4952 | { | |
a9e546e7 PP |
4953 | return mlx5_ib_init_cong_debugfs(dev, |
4954 | mlx5_core_native_port_num(dev->mdev) - 1); | |
16c1975f MB |
4955 | } |
4956 | ||
4957 | static void mlx5_ib_stage_cong_debugfs_cleanup(struct mlx5_ib_dev *dev) | |
4958 | { | |
a9e546e7 PP |
4959 | mlx5_ib_cleanup_cong_debugfs(dev, |
4960 | mlx5_core_native_port_num(dev->mdev) - 1); | |
16c1975f MB |
4961 | } |
4962 | ||
4963 | static int mlx5_ib_stage_uar_init(struct mlx5_ib_dev *dev) | |
4964 | { | |
5fe9dec0 EC |
4965 | dev->mdev->priv.uar = mlx5_get_uars_page(dev->mdev); |
4966 | if (!dev->mdev->priv.uar) | |
16c1975f MB |
4967 | return -ENOMEM; |
4968 | return 0; | |
4969 | } | |
4970 | ||
4971 | static void mlx5_ib_stage_uar_cleanup(struct mlx5_ib_dev *dev) | |
4972 | { | |
4973 | mlx5_put_uars_page(dev->mdev, dev->mdev->priv.uar); | |
4974 | } | |
4975 | ||
b5ca15ad | 4976 | int mlx5_ib_stage_bfrag_init(struct mlx5_ib_dev *dev) |
16c1975f MB |
4977 | { |
4978 | int err; | |
5fe9dec0 EC |
4979 | |
4980 | err = mlx5_alloc_bfreg(dev->mdev, &dev->bfreg, false, false); | |
4981 | if (err) | |
16c1975f | 4982 | return err; |
5fe9dec0 EC |
4983 | |
4984 | err = mlx5_alloc_bfreg(dev->mdev, &dev->fp_bfreg, false, true); | |
4985 | if (err) | |
16c1975f | 4986 | mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg); |
5fe9dec0 | 4987 | |
16c1975f MB |
4988 | return err; |
4989 | } | |
0837e86a | 4990 | |
b5ca15ad | 4991 | void mlx5_ib_stage_bfrag_cleanup(struct mlx5_ib_dev *dev) |
16c1975f MB |
4992 | { |
4993 | mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg); | |
4994 | mlx5_free_bfreg(dev->mdev, &dev->bfreg); | |
4995 | } | |
e126ba97 | 4996 | |
b5ca15ad | 4997 | int mlx5_ib_stage_ib_reg_init(struct mlx5_ib_dev *dev) |
16c1975f MB |
4998 | { |
4999 | return ib_register_device(&dev->ib_dev, NULL); | |
5000 | } | |
5001 | ||
b5ca15ad | 5002 | void mlx5_ib_stage_ib_reg_cleanup(struct mlx5_ib_dev *dev) |
16c1975f MB |
5003 | { |
5004 | ib_unregister_device(&dev->ib_dev); | |
5005 | } | |
5006 | ||
b5ca15ad | 5007 | int mlx5_ib_stage_umr_res_init(struct mlx5_ib_dev *dev) |
16c1975f MB |
5008 | { |
5009 | return create_umr_res(dev); | |
5010 | } | |
5011 | ||
b5ca15ad | 5012 | void mlx5_ib_stage_umr_res_cleanup(struct mlx5_ib_dev *dev) |
16c1975f MB |
5013 | { |
5014 | destroy_umrc_res(dev); | |
5015 | } | |
5016 | ||
5017 | static int mlx5_ib_stage_delay_drop_init(struct mlx5_ib_dev *dev) | |
5018 | { | |
03404e8a MG |
5019 | init_delay_drop(dev); |
5020 | ||
16c1975f MB |
5021 | return 0; |
5022 | } | |
5023 | ||
5024 | static void mlx5_ib_stage_delay_drop_cleanup(struct mlx5_ib_dev *dev) | |
5025 | { | |
5026 | cancel_delay_drop(dev); | |
5027 | } | |
5028 | ||
b5ca15ad | 5029 | int mlx5_ib_stage_class_attr_init(struct mlx5_ib_dev *dev) |
16c1975f MB |
5030 | { |
5031 | int err; | |
5032 | int i; | |
5033 | ||
e126ba97 | 5034 | for (i = 0; i < ARRAY_SIZE(mlx5_class_attributes); i++) { |
281d1a92 WY |
5035 | err = device_create_file(&dev->ib_dev.dev, |
5036 | mlx5_class_attributes[i]); | |
5037 | if (err) | |
16c1975f | 5038 | return err; |
e126ba97 EC |
5039 | } |
5040 | ||
16c1975f MB |
5041 | return 0; |
5042 | } | |
5043 | ||
fc385b7a MB |
5044 | static int mlx5_ib_stage_rep_reg_init(struct mlx5_ib_dev *dev) |
5045 | { | |
5046 | mlx5_ib_register_vport_reps(dev); | |
5047 | ||
5048 | return 0; | |
5049 | } | |
5050 | ||
5051 | static void mlx5_ib_stage_rep_reg_cleanup(struct mlx5_ib_dev *dev) | |
5052 | { | |
5053 | mlx5_ib_unregister_vport_reps(dev); | |
5054 | } | |
5055 | ||
b5ca15ad MB |
5056 | void __mlx5_ib_remove(struct mlx5_ib_dev *dev, |
5057 | const struct mlx5_ib_profile *profile, | |
5058 | int stage) | |
16c1975f MB |
5059 | { |
5060 | /* Number of stages to cleanup */ | |
5061 | while (stage) { | |
5062 | stage--; | |
5063 | if (profile->stage[stage].cleanup) | |
5064 | profile->stage[stage].cleanup(dev); | |
5065 | } | |
e126ba97 | 5066 | |
16c1975f MB |
5067 | ib_dealloc_device((struct ib_device *)dev); |
5068 | } | |
e126ba97 | 5069 | |
32f69e4b DJ |
5070 | static void *mlx5_ib_add_slave_port(struct mlx5_core_dev *mdev, u8 port_num); |
5071 | ||
b5ca15ad MB |
5072 | void *__mlx5_ib_add(struct mlx5_ib_dev *dev, |
5073 | const struct mlx5_ib_profile *profile) | |
16c1975f | 5074 | { |
16c1975f MB |
5075 | int err; |
5076 | int i; | |
e126ba97 | 5077 | |
16c1975f | 5078 | printk_once(KERN_INFO "%s", mlx5_version); |
5fe9dec0 | 5079 | |
16c1975f MB |
5080 | for (i = 0; i < MLX5_IB_STAGE_MAX; i++) { |
5081 | if (profile->stage[i].init) { | |
5082 | err = profile->stage[i].init(dev); | |
5083 | if (err) | |
5084 | goto err_out; | |
5085 | } | |
5086 | } | |
0837e86a | 5087 | |
16c1975f MB |
5088 | dev->profile = profile; |
5089 | dev->ib_active = true; | |
6aec21f6 | 5090 | |
16c1975f | 5091 | return dev; |
e126ba97 | 5092 | |
16c1975f MB |
5093 | err_out: |
5094 | __mlx5_ib_remove(dev, profile, i); | |
fc24fc5e | 5095 | |
16c1975f MB |
5096 | return NULL; |
5097 | } | |
0837e86a | 5098 | |
16c1975f MB |
5099 | static const struct mlx5_ib_profile pf_profile = { |
5100 | STAGE_CREATE(MLX5_IB_STAGE_INIT, | |
5101 | mlx5_ib_stage_init_init, | |
5102 | mlx5_ib_stage_init_cleanup), | |
9a4ca38d MB |
5103 | STAGE_CREATE(MLX5_IB_STAGE_FLOW_DB, |
5104 | mlx5_ib_stage_flow_db_init, | |
5105 | mlx5_ib_stage_flow_db_cleanup), | |
16c1975f MB |
5106 | STAGE_CREATE(MLX5_IB_STAGE_CAPS, |
5107 | mlx5_ib_stage_caps_init, | |
5108 | NULL), | |
8e6efa3a MB |
5109 | STAGE_CREATE(MLX5_IB_STAGE_NON_DEFAULT_CB, |
5110 | mlx5_ib_stage_non_default_cb, | |
5111 | NULL), | |
16c1975f MB |
5112 | STAGE_CREATE(MLX5_IB_STAGE_ROCE, |
5113 | mlx5_ib_stage_roce_init, | |
5114 | mlx5_ib_stage_roce_cleanup), | |
5115 | STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES, | |
5116 | mlx5_ib_stage_dev_res_init, | |
5117 | mlx5_ib_stage_dev_res_cleanup), | |
5118 | STAGE_CREATE(MLX5_IB_STAGE_ODP, | |
5119 | mlx5_ib_stage_odp_init, | |
3cc297db | 5120 | NULL), |
16c1975f MB |
5121 | STAGE_CREATE(MLX5_IB_STAGE_COUNTERS, |
5122 | mlx5_ib_stage_counters_init, | |
5123 | mlx5_ib_stage_counters_cleanup), | |
5124 | STAGE_CREATE(MLX5_IB_STAGE_CONG_DEBUGFS, | |
5125 | mlx5_ib_stage_cong_debugfs_init, | |
5126 | mlx5_ib_stage_cong_debugfs_cleanup), | |
5127 | STAGE_CREATE(MLX5_IB_STAGE_UAR, | |
5128 | mlx5_ib_stage_uar_init, | |
5129 | mlx5_ib_stage_uar_cleanup), | |
5130 | STAGE_CREATE(MLX5_IB_STAGE_BFREG, | |
5131 | mlx5_ib_stage_bfrag_init, | |
5132 | mlx5_ib_stage_bfrag_cleanup), | |
5133 | STAGE_CREATE(MLX5_IB_STAGE_IB_REG, | |
5134 | mlx5_ib_stage_ib_reg_init, | |
5135 | mlx5_ib_stage_ib_reg_cleanup), | |
5136 | STAGE_CREATE(MLX5_IB_STAGE_UMR_RESOURCES, | |
5137 | mlx5_ib_stage_umr_res_init, | |
5138 | mlx5_ib_stage_umr_res_cleanup), | |
5139 | STAGE_CREATE(MLX5_IB_STAGE_DELAY_DROP, | |
5140 | mlx5_ib_stage_delay_drop_init, | |
5141 | mlx5_ib_stage_delay_drop_cleanup), | |
5142 | STAGE_CREATE(MLX5_IB_STAGE_CLASS_ATTR, | |
5143 | mlx5_ib_stage_class_attr_init, | |
5144 | NULL), | |
16c1975f | 5145 | }; |
e126ba97 | 5146 | |
b5ca15ad MB |
5147 | static const struct mlx5_ib_profile nic_rep_profile = { |
5148 | STAGE_CREATE(MLX5_IB_STAGE_INIT, | |
5149 | mlx5_ib_stage_init_init, | |
5150 | mlx5_ib_stage_init_cleanup), | |
5151 | STAGE_CREATE(MLX5_IB_STAGE_FLOW_DB, | |
5152 | mlx5_ib_stage_flow_db_init, | |
5153 | mlx5_ib_stage_flow_db_cleanup), | |
5154 | STAGE_CREATE(MLX5_IB_STAGE_CAPS, | |
5155 | mlx5_ib_stage_caps_init, | |
5156 | NULL), | |
5157 | STAGE_CREATE(MLX5_IB_STAGE_NON_DEFAULT_CB, | |
5158 | mlx5_ib_stage_rep_non_default_cb, | |
5159 | NULL), | |
5160 | STAGE_CREATE(MLX5_IB_STAGE_ROCE, | |
5161 | mlx5_ib_stage_rep_roce_init, | |
5162 | mlx5_ib_stage_rep_roce_cleanup), | |
5163 | STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES, | |
5164 | mlx5_ib_stage_dev_res_init, | |
5165 | mlx5_ib_stage_dev_res_cleanup), | |
5166 | STAGE_CREATE(MLX5_IB_STAGE_COUNTERS, | |
5167 | mlx5_ib_stage_counters_init, | |
5168 | mlx5_ib_stage_counters_cleanup), | |
5169 | STAGE_CREATE(MLX5_IB_STAGE_UAR, | |
5170 | mlx5_ib_stage_uar_init, | |
5171 | mlx5_ib_stage_uar_cleanup), | |
5172 | STAGE_CREATE(MLX5_IB_STAGE_BFREG, | |
5173 | mlx5_ib_stage_bfrag_init, | |
5174 | mlx5_ib_stage_bfrag_cleanup), | |
5175 | STAGE_CREATE(MLX5_IB_STAGE_IB_REG, | |
5176 | mlx5_ib_stage_ib_reg_init, | |
5177 | mlx5_ib_stage_ib_reg_cleanup), | |
5178 | STAGE_CREATE(MLX5_IB_STAGE_UMR_RESOURCES, | |
5179 | mlx5_ib_stage_umr_res_init, | |
5180 | mlx5_ib_stage_umr_res_cleanup), | |
5181 | STAGE_CREATE(MLX5_IB_STAGE_CLASS_ATTR, | |
5182 | mlx5_ib_stage_class_attr_init, | |
5183 | NULL), | |
5184 | STAGE_CREATE(MLX5_IB_STAGE_REP_REG, | |
5185 | mlx5_ib_stage_rep_reg_init, | |
5186 | mlx5_ib_stage_rep_reg_cleanup), | |
5187 | }; | |
5188 | ||
32f69e4b DJ |
5189 | static void *mlx5_ib_add_slave_port(struct mlx5_core_dev *mdev, u8 port_num) |
5190 | { | |
5191 | struct mlx5_ib_multiport_info *mpi; | |
5192 | struct mlx5_ib_dev *dev; | |
5193 | bool bound = false; | |
5194 | int err; | |
5195 | ||
5196 | mpi = kzalloc(sizeof(*mpi), GFP_KERNEL); | |
5197 | if (!mpi) | |
5198 | return NULL; | |
5199 | ||
5200 | mpi->mdev = mdev; | |
5201 | ||
5202 | err = mlx5_query_nic_vport_system_image_guid(mdev, | |
5203 | &mpi->sys_image_guid); | |
5204 | if (err) { | |
5205 | kfree(mpi); | |
5206 | return NULL; | |
5207 | } | |
5208 | ||
5209 | mutex_lock(&mlx5_ib_multiport_mutex); | |
5210 | list_for_each_entry(dev, &mlx5_ib_dev_list, ib_dev_list) { | |
5211 | if (dev->sys_image_guid == mpi->sys_image_guid) | |
5212 | bound = mlx5_ib_bind_slave_port(dev, mpi); | |
5213 | ||
5214 | if (bound) { | |
5215 | rdma_roce_rescan_device(&dev->ib_dev); | |
5216 | break; | |
5217 | } | |
5218 | } | |
5219 | ||
5220 | if (!bound) { | |
5221 | list_add_tail(&mpi->list, &mlx5_ib_unaffiliated_port_list); | |
5222 | dev_dbg(&mdev->pdev->dev, "no suitable IB device found to bind to, added to unaffiliated list.\n"); | |
5223 | } else { | |
5224 | mlx5_ib_dbg(dev, "bound port %u\n", port_num + 1); | |
5225 | } | |
5226 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
5227 | ||
5228 | return mpi; | |
5229 | } | |
5230 | ||
16c1975f MB |
5231 | static void *mlx5_ib_add(struct mlx5_core_dev *mdev) |
5232 | { | |
32f69e4b | 5233 | enum rdma_link_layer ll; |
b5ca15ad | 5234 | struct mlx5_ib_dev *dev; |
32f69e4b DJ |
5235 | int port_type_cap; |
5236 | ||
b5ca15ad MB |
5237 | printk_once(KERN_INFO "%s", mlx5_version); |
5238 | ||
32f69e4b DJ |
5239 | port_type_cap = MLX5_CAP_GEN(mdev, port_type); |
5240 | ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
5241 | ||
5242 | if (mlx5_core_is_mp_slave(mdev) && ll == IB_LINK_LAYER_ETHERNET) { | |
5243 | u8 port_num = mlx5_core_native_port_num(mdev) - 1; | |
5244 | ||
5245 | return mlx5_ib_add_slave_port(mdev, port_num); | |
5246 | } | |
5247 | ||
b5ca15ad MB |
5248 | dev = (struct mlx5_ib_dev *)ib_alloc_device(sizeof(*dev)); |
5249 | if (!dev) | |
5250 | return NULL; | |
5251 | ||
5252 | dev->mdev = mdev; | |
5253 | dev->num_ports = max(MLX5_CAP_GEN(mdev, num_ports), | |
5254 | MLX5_CAP_GEN(mdev, num_vhca_ports)); | |
5255 | ||
5256 | if (MLX5_VPORT_MANAGER(mdev) && | |
5257 | mlx5_ib_eswitch_mode(mdev->priv.eswitch) == SRIOV_OFFLOADS) { | |
5258 | dev->rep = mlx5_ib_vport_rep(mdev->priv.eswitch, 0); | |
5259 | ||
5260 | return __mlx5_ib_add(dev, &nic_rep_profile); | |
5261 | } | |
5262 | ||
5263 | return __mlx5_ib_add(dev, &pf_profile); | |
e126ba97 EC |
5264 | } |
5265 | ||
9603b61d | 5266 | static void mlx5_ib_remove(struct mlx5_core_dev *mdev, void *context) |
e126ba97 | 5267 | { |
32f69e4b DJ |
5268 | struct mlx5_ib_multiport_info *mpi; |
5269 | struct mlx5_ib_dev *dev; | |
5270 | ||
5271 | if (mlx5_core_is_mp_slave(mdev)) { | |
5272 | mpi = context; | |
5273 | mutex_lock(&mlx5_ib_multiport_mutex); | |
5274 | if (mpi->ibdev) | |
5275 | mlx5_ib_unbind_slave_port(mpi->ibdev, mpi); | |
5276 | list_del(&mpi->list); | |
5277 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
5278 | return; | |
5279 | } | |
6aec21f6 | 5280 | |
32f69e4b | 5281 | dev = context; |
16c1975f | 5282 | __mlx5_ib_remove(dev, dev->profile, MLX5_IB_STAGE_MAX); |
e126ba97 EC |
5283 | } |
5284 | ||
9603b61d JM |
5285 | static struct mlx5_interface mlx5_ib_interface = { |
5286 | .add = mlx5_ib_add, | |
5287 | .remove = mlx5_ib_remove, | |
5288 | .event = mlx5_ib_event, | |
d9aaed83 AK |
5289 | #ifdef CONFIG_INFINIBAND_ON_DEMAND_PAGING |
5290 | .pfault = mlx5_ib_pfault, | |
5291 | #endif | |
64613d94 | 5292 | .protocol = MLX5_INTERFACE_PROTOCOL_IB, |
e126ba97 EC |
5293 | }; |
5294 | ||
5295 | static int __init mlx5_ib_init(void) | |
5296 | { | |
6aec21f6 HE |
5297 | int err; |
5298 | ||
d69a24e0 DJ |
5299 | mlx5_ib_event_wq = alloc_ordered_workqueue("mlx5_ib_event_wq", 0); |
5300 | if (!mlx5_ib_event_wq) | |
5301 | return -ENOMEM; | |
5302 | ||
81713d37 | 5303 | mlx5_ib_odp_init(); |
9603b61d | 5304 | |
6aec21f6 | 5305 | err = mlx5_register_interface(&mlx5_ib_interface); |
6aec21f6 | 5306 | |
6aec21f6 | 5307 | return err; |
e126ba97 EC |
5308 | } |
5309 | ||
5310 | static void __exit mlx5_ib_cleanup(void) | |
5311 | { | |
9603b61d | 5312 | mlx5_unregister_interface(&mlx5_ib_interface); |
d69a24e0 | 5313 | destroy_workqueue(mlx5_ib_event_wq); |
e126ba97 EC |
5314 | } |
5315 | ||
5316 | module_init(mlx5_ib_init); | |
5317 | module_exit(mlx5_ib_cleanup); |