Commit | Line | Data |
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b572ebe6 | 1 | // SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB |
e126ba97 | 2 | /* |
b572ebe6 | 3 | * Copyright (c) 2013-2020, Mellanox Technologies inc. All rights reserved. |
90da7dc8 | 4 | * Copyright (c) 2020, Intel Corporation. All rights reserved. |
e126ba97 EC |
5 | */ |
6 | ||
fe248c3a | 7 | #include <linux/debugfs.h> |
adec640e | 8 | #include <linux/highmem.h> |
e126ba97 EC |
9 | #include <linux/module.h> |
10 | #include <linux/init.h> | |
11 | #include <linux/errno.h> | |
12 | #include <linux/pci.h> | |
13 | #include <linux/dma-mapping.h> | |
14 | #include <linux/slab.h> | |
24da0016 | 15 | #include <linux/bitmap.h> |
e126ba97 | 16 | #include <linux/sched.h> |
6e84f315 | 17 | #include <linux/sched/mm.h> |
0881e7bd | 18 | #include <linux/sched/task.h> |
7c2344c3 | 19 | #include <linux/delay.h> |
e126ba97 | 20 | #include <rdma/ib_user_verbs.h> |
3f89a643 | 21 | #include <rdma/ib_addr.h> |
2811ba51 | 22 | #include <rdma/ib_cache.h> |
ada68c31 | 23 | #include <linux/mlx5/port.h> |
1b5daf11 | 24 | #include <linux/mlx5/vport.h> |
72c7fe90 | 25 | #include <linux/mlx5/fs.h> |
cecae747 | 26 | #include <linux/mlx5/eswitch.h> |
0d293714 | 27 | #include <linux/mlx5/driver.h> |
7c2344c3 | 28 | #include <linux/list.h> |
e126ba97 | 29 | #include <rdma/ib_smi.h> |
ca7ef7ad | 30 | #include <rdma/ib_umem_odp.h> |
cfc1a89e | 31 | #include <rdma/lag.h> |
038d2ef8 MG |
32 | #include <linux/in.h> |
33 | #include <linux/etherdevice.h> | |
e126ba97 | 34 | #include "mlx5_ib.h" |
fc385b7a | 35 | #include "ib_rep.h" |
e1f24a79 | 36 | #include "cmd.h" |
d8b7515e | 37 | #include "devx.h" |
831df883 | 38 | #include "dm.h" |
f7c4ffda | 39 | #include "fs.h" |
f3da6577 | 40 | #include "srq.h" |
333fbaa0 | 41 | #include "qp.h" |
029e88fd | 42 | #include "wr.h" |
b572ebe6 | 43 | #include "restrack.h" |
64825827 | 44 | #include "counters.h" |
04876c12 | 45 | #include "umr.h" |
8c84660b | 46 | #include <rdma/uverbs_std_types.h> |
2904bb37 | 47 | #include <rdma/uverbs_ioctl.h> |
c6475a0b AY |
48 | #include <rdma/mlx5_user_ioctl_verbs.h> |
49 | #include <rdma/mlx5_user_ioctl_cmds.h> | |
758ce14a | 50 | #include "macsec.h" |
8c84660b MB |
51 | |
52 | #define UVERBS_MODULE_NAME mlx5_ib | |
53 | #include <rdma/uverbs_named_ioctl.h> | |
e126ba97 | 54 | |
e126ba97 | 55 | MODULE_AUTHOR("Eli Cohen <eli@mellanox.com>"); |
daeee976 | 56 | MODULE_DESCRIPTION("Mellanox 5th generation network adapters (ConnectX series) IB driver"); |
e126ba97 | 57 | MODULE_LICENSE("Dual BSD/GPL"); |
e126ba97 | 58 | |
d69a24e0 DJ |
59 | struct mlx5_ib_event_work { |
60 | struct work_struct work; | |
df097a27 SM |
61 | union { |
62 | struct mlx5_ib_dev *dev; | |
63 | struct mlx5_ib_multiport_info *mpi; | |
64 | }; | |
65 | bool is_slave; | |
134e9349 | 66 | unsigned int event; |
df097a27 | 67 | void *param; |
d69a24e0 DJ |
68 | }; |
69 | ||
da7525d2 EBE |
70 | enum { |
71 | MLX5_ATOMIC_SIZE_QP_8BYTES = 1 << 3, | |
72 | }; | |
73 | ||
d69a24e0 | 74 | static struct workqueue_struct *mlx5_ib_event_wq; |
32f69e4b DJ |
75 | static LIST_HEAD(mlx5_ib_unaffiliated_port_list); |
76 | static LIST_HEAD(mlx5_ib_dev_list); | |
77 | /* | |
78 | * This mutex should be held when accessing either of the above lists | |
79 | */ | |
80 | static DEFINE_MUTEX(mlx5_ib_multiport_mutex); | |
81 | ||
82 | struct mlx5_ib_dev *mlx5_ib_get_ibdev_from_mpi(struct mlx5_ib_multiport_info *mpi) | |
83 | { | |
84 | struct mlx5_ib_dev *dev; | |
85 | ||
86 | mutex_lock(&mlx5_ib_multiport_mutex); | |
87 | dev = mpi->ibdev; | |
88 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
89 | return dev; | |
90 | } | |
91 | ||
1b5daf11 | 92 | static enum rdma_link_layer |
ebd61f68 | 93 | mlx5_port_type_cap_to_rdma_ll(int port_type_cap) |
1b5daf11 | 94 | { |
ebd61f68 | 95 | switch (port_type_cap) { |
1b5daf11 MD |
96 | case MLX5_CAP_PORT_TYPE_IB: |
97 | return IB_LINK_LAYER_INFINIBAND; | |
98 | case MLX5_CAP_PORT_TYPE_ETH: | |
99 | return IB_LINK_LAYER_ETHERNET; | |
100 | default: | |
101 | return IB_LINK_LAYER_UNSPECIFIED; | |
102 | } | |
103 | } | |
104 | ||
ebd61f68 | 105 | static enum rdma_link_layer |
1fb7f897 | 106 | mlx5_ib_port_link_layer(struct ib_device *device, u32 port_num) |
ebd61f68 AS |
107 | { |
108 | struct mlx5_ib_dev *dev = to_mdev(device); | |
109 | int port_type_cap = MLX5_CAP_GEN(dev->mdev, port_type); | |
110 | ||
111 | return mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
112 | } | |
113 | ||
fd65f1b8 | 114 | static int get_port_state(struct ib_device *ibdev, |
1fb7f897 | 115 | u32 port_num, |
fd65f1b8 MS |
116 | enum ib_port_state *state) |
117 | { | |
118 | struct ib_port_attr attr; | |
119 | int ret; | |
120 | ||
121 | memset(&attr, 0, sizeof(attr)); | |
3023a1e9 | 122 | ret = ibdev->ops.query_port(ibdev, port_num, &attr); |
fd65f1b8 MS |
123 | if (!ret) |
124 | *state = attr.state; | |
125 | return ret; | |
126 | } | |
127 | ||
35b0aa67 MB |
128 | static struct mlx5_roce *mlx5_get_rep_roce(struct mlx5_ib_dev *dev, |
129 | struct net_device *ndev, | |
c446d9da | 130 | struct net_device *upper, |
1fb7f897 | 131 | u32 *port_num) |
35b0aa67 | 132 | { |
35b0aa67 MB |
133 | struct net_device *rep_ndev; |
134 | struct mlx5_ib_port *port; | |
135 | int i; | |
136 | ||
137 | for (i = 0; i < dev->num_ports; i++) { | |
138 | port = &dev->port[i]; | |
139 | if (!port->rep) | |
140 | continue; | |
141 | ||
c446d9da MB |
142 | if (upper == ndev && port->rep->vport == MLX5_VPORT_UPLINK) { |
143 | *port_num = i + 1; | |
144 | return &port->roce; | |
145 | } | |
146 | ||
147 | if (upper && port->rep->vport == MLX5_VPORT_UPLINK) | |
148 | continue; | |
149 | ||
35b0aa67 | 150 | read_lock(&port->roce.netdev_lock); |
658cfceb | 151 | rep_ndev = mlx5_ib_get_rep_netdev(port->rep->esw, |
35b0aa67 MB |
152 | port->rep->vport); |
153 | if (rep_ndev == ndev) { | |
154 | read_unlock(&port->roce.netdev_lock); | |
155 | *port_num = i + 1; | |
156 | return &port->roce; | |
157 | } | |
158 | read_unlock(&port->roce.netdev_lock); | |
159 | } | |
160 | ||
161 | return NULL; | |
162 | } | |
163 | ||
fc24fc5e AS |
164 | static int mlx5_netdev_event(struct notifier_block *this, |
165 | unsigned long event, void *ptr) | |
166 | { | |
7fd8aefb | 167 | struct mlx5_roce *roce = container_of(this, struct mlx5_roce, nb); |
fc24fc5e | 168 | struct net_device *ndev = netdev_notifier_info_to_dev(ptr); |
1fb7f897 | 169 | u32 port_num = roce->native_port_num; |
7fd8aefb DJ |
170 | struct mlx5_core_dev *mdev; |
171 | struct mlx5_ib_dev *ibdev; | |
172 | ||
173 | ibdev = roce->dev; | |
32f69e4b DJ |
174 | mdev = mlx5_ib_get_native_port_mdev(ibdev, port_num, NULL); |
175 | if (!mdev) | |
176 | return NOTIFY_DONE; | |
fc24fc5e | 177 | |
5ec8c83e AH |
178 | switch (event) { |
179 | case NETDEV_REGISTER: | |
35b0aa67 MB |
180 | /* Should already be registered during the load */ |
181 | if (ibdev->is_rep) | |
182 | break; | |
7fd8aefb | 183 | write_lock(&roce->netdev_lock); |
dce45af5 | 184 | if (ndev->dev.parent == mdev->device) |
842a9c83 | 185 | roce->netdev = ndev; |
7fd8aefb | 186 | write_unlock(&roce->netdev_lock); |
5ec8c83e | 187 | break; |
fc24fc5e | 188 | |
842a9c83 | 189 | case NETDEV_UNREGISTER: |
35b0aa67 | 190 | /* In case of reps, ib device goes away before the netdevs */ |
842a9c83 OG |
191 | write_lock(&roce->netdev_lock); |
192 | if (roce->netdev == ndev) | |
193 | roce->netdev = NULL; | |
194 | write_unlock(&roce->netdev_lock); | |
195 | break; | |
196 | ||
fd65f1b8 | 197 | case NETDEV_CHANGE: |
5ec8c83e | 198 | case NETDEV_UP: |
88621dfe | 199 | case NETDEV_DOWN: { |
7fd8aefb | 200 | struct net_device *lag_ndev = mlx5_lag_get_roce_netdev(mdev); |
88621dfe AH |
201 | struct net_device *upper = NULL; |
202 | ||
203 | if (lag_ndev) { | |
204 | upper = netdev_master_upper_dev_get(lag_ndev); | |
205 | dev_put(lag_ndev); | |
206 | } | |
207 | ||
35b0aa67 | 208 | if (ibdev->is_rep) |
c446d9da | 209 | roce = mlx5_get_rep_roce(ibdev, ndev, upper, &port_num); |
35b0aa67 MB |
210 | if (!roce) |
211 | return NOTIFY_DONE; | |
c446d9da MB |
212 | if ((upper == ndev || |
213 | ((!upper || ibdev->is_rep) && ndev == roce->netdev)) && | |
214 | ibdev->ib_active) { | |
626bc02d | 215 | struct ib_event ibev = { }; |
fd65f1b8 | 216 | enum ib_port_state port_state; |
5ec8c83e | 217 | |
7fd8aefb DJ |
218 | if (get_port_state(&ibdev->ib_dev, port_num, |
219 | &port_state)) | |
220 | goto done; | |
fd65f1b8 | 221 | |
7fd8aefb DJ |
222 | if (roce->last_port_state == port_state) |
223 | goto done; | |
fd65f1b8 | 224 | |
7fd8aefb | 225 | roce->last_port_state = port_state; |
5ec8c83e | 226 | ibev.device = &ibdev->ib_dev; |
fd65f1b8 MS |
227 | if (port_state == IB_PORT_DOWN) |
228 | ibev.event = IB_EVENT_PORT_ERR; | |
229 | else if (port_state == IB_PORT_ACTIVE) | |
230 | ibev.event = IB_EVENT_PORT_ACTIVE; | |
231 | else | |
7fd8aefb | 232 | goto done; |
fd65f1b8 | 233 | |
7fd8aefb | 234 | ibev.element.port_num = port_num; |
5ec8c83e AH |
235 | ib_dispatch_event(&ibev); |
236 | } | |
237 | break; | |
88621dfe | 238 | } |
fc24fc5e | 239 | |
5ec8c83e AH |
240 | default: |
241 | break; | |
242 | } | |
7fd8aefb | 243 | done: |
32f69e4b | 244 | mlx5_ib_put_native_port_mdev(ibdev, port_num); |
fc24fc5e AS |
245 | return NOTIFY_DONE; |
246 | } | |
247 | ||
248 | static struct net_device *mlx5_ib_get_netdev(struct ib_device *device, | |
1fb7f897 | 249 | u32 port_num) |
fc24fc5e AS |
250 | { |
251 | struct mlx5_ib_dev *ibdev = to_mdev(device); | |
252 | struct net_device *ndev; | |
32f69e4b DJ |
253 | struct mlx5_core_dev *mdev; |
254 | ||
255 | mdev = mlx5_ib_get_native_port_mdev(ibdev, port_num, NULL); | |
256 | if (!mdev) | |
257 | return NULL; | |
fc24fc5e | 258 | |
32f69e4b | 259 | ndev = mlx5_lag_get_roce_netdev(mdev); |
88621dfe | 260 | if (ndev) |
32f69e4b | 261 | goto out; |
88621dfe | 262 | |
fc24fc5e AS |
263 | /* Ensure ndev does not disappear before we invoke dev_hold() |
264 | */ | |
95579e78 MB |
265 | read_lock(&ibdev->port[port_num - 1].roce.netdev_lock); |
266 | ndev = ibdev->port[port_num - 1].roce.netdev; | |
82e96613 | 267 | dev_hold(ndev); |
95579e78 | 268 | read_unlock(&ibdev->port[port_num - 1].roce.netdev_lock); |
fc24fc5e | 269 | |
32f69e4b DJ |
270 | out: |
271 | mlx5_ib_put_native_port_mdev(ibdev, port_num); | |
fc24fc5e AS |
272 | return ndev; |
273 | } | |
274 | ||
32f69e4b | 275 | struct mlx5_core_dev *mlx5_ib_get_native_port_mdev(struct mlx5_ib_dev *ibdev, |
1fb7f897 MB |
276 | u32 ib_port_num, |
277 | u32 *native_port_num) | |
32f69e4b DJ |
278 | { |
279 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(&ibdev->ib_dev, | |
280 | ib_port_num); | |
281 | struct mlx5_core_dev *mdev = NULL; | |
282 | struct mlx5_ib_multiport_info *mpi; | |
283 | struct mlx5_ib_port *port; | |
284 | ||
026a4259 MZ |
285 | if (ibdev->ib_dev.type == RDMA_DEVICE_TYPE_SMI) { |
286 | if (native_port_num) | |
287 | *native_port_num = smi_to_native_portnum(ibdev, | |
288 | ib_port_num); | |
289 | return ibdev->mdev; | |
290 | ||
291 | } | |
292 | ||
210b1f78 MB |
293 | if (!mlx5_core_mp_enabled(ibdev->mdev) || |
294 | ll != IB_LINK_LAYER_ETHERNET) { | |
295 | if (native_port_num) | |
296 | *native_port_num = ib_port_num; | |
297 | return ibdev->mdev; | |
298 | } | |
299 | ||
32f69e4b DJ |
300 | if (native_port_num) |
301 | *native_port_num = 1; | |
302 | ||
32f69e4b | 303 | port = &ibdev->port[ib_port_num - 1]; |
32f69e4b DJ |
304 | spin_lock(&port->mp.mpi_lock); |
305 | mpi = ibdev->port[ib_port_num - 1].mp.mpi; | |
306 | if (mpi && !mpi->unaffiliate) { | |
307 | mdev = mpi->mdev; | |
308 | /* If it's the master no need to refcount, it'll exist | |
309 | * as long as the ib_dev exists. | |
310 | */ | |
311 | if (!mpi->is_master) | |
312 | mpi->mdev_refcnt++; | |
313 | } | |
314 | spin_unlock(&port->mp.mpi_lock); | |
315 | ||
316 | return mdev; | |
317 | } | |
318 | ||
1fb7f897 | 319 | void mlx5_ib_put_native_port_mdev(struct mlx5_ib_dev *ibdev, u32 port_num) |
32f69e4b DJ |
320 | { |
321 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(&ibdev->ib_dev, | |
322 | port_num); | |
323 | struct mlx5_ib_multiport_info *mpi; | |
324 | struct mlx5_ib_port *port; | |
325 | ||
326 | if (!mlx5_core_mp_enabled(ibdev->mdev) || ll != IB_LINK_LAYER_ETHERNET) | |
327 | return; | |
328 | ||
329 | port = &ibdev->port[port_num - 1]; | |
330 | ||
331 | spin_lock(&port->mp.mpi_lock); | |
332 | mpi = ibdev->port[port_num - 1].mp.mpi; | |
333 | if (mpi->is_master) | |
334 | goto out; | |
335 | ||
336 | mpi->mdev_refcnt--; | |
337 | if (mpi->unaffiliate) | |
338 | complete(&mpi->unref_comp); | |
339 | out: | |
340 | spin_unlock(&port->mp.mpi_lock); | |
341 | } | |
342 | ||
639bf441 AL |
343 | static int translate_eth_legacy_proto_oper(u32 eth_proto_oper, |
344 | u16 *active_speed, u8 *active_width) | |
f1b65df5 NO |
345 | { |
346 | switch (eth_proto_oper) { | |
347 | case MLX5E_PROT_MASK(MLX5E_1000BASE_CX_SGMII): | |
348 | case MLX5E_PROT_MASK(MLX5E_1000BASE_KX): | |
349 | case MLX5E_PROT_MASK(MLX5E_100BASE_TX): | |
350 | case MLX5E_PROT_MASK(MLX5E_1000BASE_T): | |
351 | *active_width = IB_WIDTH_1X; | |
352 | *active_speed = IB_SPEED_SDR; | |
353 | break; | |
354 | case MLX5E_PROT_MASK(MLX5E_10GBASE_T): | |
355 | case MLX5E_PROT_MASK(MLX5E_10GBASE_CX4): | |
356 | case MLX5E_PROT_MASK(MLX5E_10GBASE_KX4): | |
357 | case MLX5E_PROT_MASK(MLX5E_10GBASE_KR): | |
358 | case MLX5E_PROT_MASK(MLX5E_10GBASE_CR): | |
359 | case MLX5E_PROT_MASK(MLX5E_10GBASE_SR): | |
360 | case MLX5E_PROT_MASK(MLX5E_10GBASE_ER): | |
361 | *active_width = IB_WIDTH_1X; | |
362 | *active_speed = IB_SPEED_QDR; | |
363 | break; | |
364 | case MLX5E_PROT_MASK(MLX5E_25GBASE_CR): | |
365 | case MLX5E_PROT_MASK(MLX5E_25GBASE_KR): | |
366 | case MLX5E_PROT_MASK(MLX5E_25GBASE_SR): | |
367 | *active_width = IB_WIDTH_1X; | |
368 | *active_speed = IB_SPEED_EDR; | |
369 | break; | |
370 | case MLX5E_PROT_MASK(MLX5E_40GBASE_CR4): | |
371 | case MLX5E_PROT_MASK(MLX5E_40GBASE_KR4): | |
372 | case MLX5E_PROT_MASK(MLX5E_40GBASE_SR4): | |
373 | case MLX5E_PROT_MASK(MLX5E_40GBASE_LR4): | |
374 | *active_width = IB_WIDTH_4X; | |
375 | *active_speed = IB_SPEED_QDR; | |
376 | break; | |
377 | case MLX5E_PROT_MASK(MLX5E_50GBASE_CR2): | |
378 | case MLX5E_PROT_MASK(MLX5E_50GBASE_KR2): | |
379 | case MLX5E_PROT_MASK(MLX5E_50GBASE_SR2): | |
380 | *active_width = IB_WIDTH_1X; | |
381 | *active_speed = IB_SPEED_HDR; | |
382 | break; | |
383 | case MLX5E_PROT_MASK(MLX5E_56GBASE_R4): | |
384 | *active_width = IB_WIDTH_4X; | |
385 | *active_speed = IB_SPEED_FDR; | |
386 | break; | |
387 | case MLX5E_PROT_MASK(MLX5E_100GBASE_CR4): | |
388 | case MLX5E_PROT_MASK(MLX5E_100GBASE_SR4): | |
389 | case MLX5E_PROT_MASK(MLX5E_100GBASE_KR4): | |
390 | case MLX5E_PROT_MASK(MLX5E_100GBASE_LR4): | |
391 | *active_width = IB_WIDTH_4X; | |
392 | *active_speed = IB_SPEED_EDR; | |
393 | break; | |
394 | default: | |
395 | return -EINVAL; | |
396 | } | |
397 | ||
398 | return 0; | |
399 | } | |
400 | ||
639bf441 | 401 | static int translate_eth_ext_proto_oper(u32 eth_proto_oper, u16 *active_speed, |
08e8676f AL |
402 | u8 *active_width) |
403 | { | |
404 | switch (eth_proto_oper) { | |
405 | case MLX5E_PROT_MASK(MLX5E_SGMII_100M): | |
406 | case MLX5E_PROT_MASK(MLX5E_1000BASE_X_SGMII): | |
407 | *active_width = IB_WIDTH_1X; | |
408 | *active_speed = IB_SPEED_SDR; | |
409 | break; | |
410 | case MLX5E_PROT_MASK(MLX5E_5GBASE_R): | |
411 | *active_width = IB_WIDTH_1X; | |
412 | *active_speed = IB_SPEED_DDR; | |
413 | break; | |
414 | case MLX5E_PROT_MASK(MLX5E_10GBASE_XFI_XAUI_1): | |
415 | *active_width = IB_WIDTH_1X; | |
416 | *active_speed = IB_SPEED_QDR; | |
417 | break; | |
418 | case MLX5E_PROT_MASK(MLX5E_40GBASE_XLAUI_4_XLPPI_4): | |
419 | *active_width = IB_WIDTH_4X; | |
420 | *active_speed = IB_SPEED_QDR; | |
421 | break; | |
422 | case MLX5E_PROT_MASK(MLX5E_25GAUI_1_25GBASE_CR_KR): | |
423 | *active_width = IB_WIDTH_1X; | |
424 | *active_speed = IB_SPEED_EDR; | |
425 | break; | |
426 | case MLX5E_PROT_MASK(MLX5E_50GAUI_2_LAUI_2_50GBASE_CR2_KR2): | |
cd272875 AL |
427 | *active_width = IB_WIDTH_2X; |
428 | *active_speed = IB_SPEED_EDR; | |
429 | break; | |
08e8676f AL |
430 | case MLX5E_PROT_MASK(MLX5E_50GAUI_1_LAUI_1_50GBASE_CR_KR): |
431 | *active_width = IB_WIDTH_1X; | |
432 | *active_speed = IB_SPEED_HDR; | |
433 | break; | |
cd272875 AL |
434 | case MLX5E_PROT_MASK(MLX5E_CAUI_4_100GBASE_CR4_KR4): |
435 | *active_width = IB_WIDTH_4X; | |
436 | *active_speed = IB_SPEED_EDR; | |
437 | break; | |
08e8676f AL |
438 | case MLX5E_PROT_MASK(MLX5E_100GAUI_2_100GBASE_CR2_KR2): |
439 | *active_width = IB_WIDTH_2X; | |
440 | *active_speed = IB_SPEED_HDR; | |
441 | break; | |
f946e45f ML |
442 | case MLX5E_PROT_MASK(MLX5E_100GAUI_1_100GBASE_CR_KR): |
443 | *active_width = IB_WIDTH_1X; | |
444 | *active_speed = IB_SPEED_NDR; | |
445 | break; | |
08e8676f AL |
446 | case MLX5E_PROT_MASK(MLX5E_200GAUI_4_200GBASE_CR4_KR4): |
447 | *active_width = IB_WIDTH_4X; | |
448 | *active_speed = IB_SPEED_HDR; | |
449 | break; | |
f946e45f ML |
450 | case MLX5E_PROT_MASK(MLX5E_200GAUI_2_200GBASE_CR2_KR2): |
451 | *active_width = IB_WIDTH_2X; | |
452 | *active_speed = IB_SPEED_NDR; | |
453 | break; | |
b28ad324 | 454 | case MLX5E_PROT_MASK(MLX5E_400GAUI_8_400GBASE_CR8): |
88c9483f MS |
455 | *active_width = IB_WIDTH_8X; |
456 | *active_speed = IB_SPEED_HDR; | |
457 | break; | |
f946e45f ML |
458 | case MLX5E_PROT_MASK(MLX5E_400GAUI_4_400GBASE_CR4_KR4): |
459 | *active_width = IB_WIDTH_4X; | |
460 | *active_speed = IB_SPEED_NDR; | |
461 | break; | |
948f0bf5 PH |
462 | case MLX5E_PROT_MASK(MLX5E_800GAUI_8_800GBASE_CR8_KR8): |
463 | *active_width = IB_WIDTH_8X; | |
464 | *active_speed = IB_SPEED_NDR; | |
465 | break; | |
08e8676f AL |
466 | default: |
467 | return -EINVAL; | |
468 | } | |
469 | ||
470 | return 0; | |
471 | } | |
472 | ||
639bf441 | 473 | static int translate_eth_proto_oper(u32 eth_proto_oper, u16 *active_speed, |
08e8676f AL |
474 | u8 *active_width, bool ext) |
475 | { | |
476 | return ext ? | |
477 | translate_eth_ext_proto_oper(eth_proto_oper, active_speed, | |
478 | active_width) : | |
479 | translate_eth_legacy_proto_oper(eth_proto_oper, active_speed, | |
480 | active_width); | |
481 | } | |
482 | ||
1fb7f897 | 483 | static int mlx5_query_port_roce(struct ib_device *device, u32 port_num, |
095b0927 | 484 | struct ib_port_attr *props) |
3f89a643 AS |
485 | { |
486 | struct mlx5_ib_dev *dev = to_mdev(device); | |
bc4e12ff | 487 | u32 out[MLX5_ST_SZ_DW(ptys_reg)] = {0}; |
da005f9f | 488 | struct mlx5_core_dev *mdev; |
88621dfe | 489 | struct net_device *ndev, *upper; |
3f89a643 | 490 | enum ib_mtu ndev_ib_mtu; |
b3cbd6f0 | 491 | bool put_mdev = true; |
f1b65df5 | 492 | u32 eth_prot_oper; |
1fb7f897 | 493 | u32 mdev_port_num; |
08e8676f | 494 | bool ext; |
095b0927 | 495 | int err; |
3f89a643 | 496 | |
b3cbd6f0 DJ |
497 | mdev = mlx5_ib_get_native_port_mdev(dev, port_num, &mdev_port_num); |
498 | if (!mdev) { | |
499 | /* This means the port isn't affiliated yet. Get the | |
500 | * info for the master port instead. | |
501 | */ | |
502 | put_mdev = false; | |
503 | mdev = dev->mdev; | |
504 | mdev_port_num = 1; | |
505 | port_num = 1; | |
506 | } | |
507 | ||
f1b65df5 NO |
508 | /* Possible bad flows are checked before filling out props so in case |
509 | * of an error it will still be zeroed out. | |
26628e2d | 510 | * Use native port in case of reps |
50f22fd8 | 511 | */ |
26628e2d MB |
512 | if (dev->is_rep) |
513 | err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, | |
3b43399b | 514 | 1, 0); |
26628e2d MB |
515 | else |
516 | err = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN, | |
3b43399b | 517 | mdev_port_num, 0); |
095b0927 | 518 | if (err) |
b3cbd6f0 | 519 | goto out; |
530c8632 | 520 | ext = !!MLX5_GET_ETH_PROTO(ptys_reg, out, true, eth_proto_capability); |
08e8676f | 521 | eth_prot_oper = MLX5_GET_ETH_PROTO(ptys_reg, out, ext, eth_proto_oper); |
f1b65df5 | 522 | |
7672ed33 HL |
523 | props->active_width = IB_WIDTH_4X; |
524 | props->active_speed = IB_SPEED_QDR; | |
525 | ||
f1b65df5 | 526 | translate_eth_proto_oper(eth_prot_oper, &props->active_speed, |
08e8676f | 527 | &props->active_width, ext); |
3f89a643 | 528 | |
7852546f | 529 | if (!dev->is_rep && dev->mdev->roce.roce_en) { |
7a58779e | 530 | u16 qkey_viol_cntr; |
3f89a643 | 531 | |
7a58779e PP |
532 | props->port_cap_flags |= IB_PORT_CM_SUP; |
533 | props->ip_gids = true; | |
534 | props->gid_tbl_len = MLX5_CAP_ROCE(dev->mdev, | |
535 | roce_address_table_size); | |
536 | mlx5_query_nic_vport_qkey_viol_cntr(mdev, &qkey_viol_cntr); | |
537 | props->qkey_viol_cntr = qkey_viol_cntr; | |
538 | } | |
3f89a643 AS |
539 | props->max_mtu = IB_MTU_4096; |
540 | props->max_msg_sz = 1 << MLX5_CAP_GEN(dev->mdev, log_max_msg); | |
541 | props->pkey_tbl_len = 1; | |
542 | props->state = IB_PORT_DOWN; | |
72a7720f | 543 | props->phys_state = IB_PORT_PHYS_STATE_DISABLED; |
3f89a643 | 544 | |
b3cbd6f0 DJ |
545 | /* If this is a stub query for an unaffiliated port stop here */ |
546 | if (!put_mdev) | |
547 | goto out; | |
548 | ||
3f89a643 AS |
549 | ndev = mlx5_ib_get_netdev(device, port_num); |
550 | if (!ndev) | |
b3cbd6f0 | 551 | goto out; |
3f89a643 | 552 | |
7c34ec19 | 553 | if (dev->lag_active) { |
88621dfe AH |
554 | rcu_read_lock(); |
555 | upper = netdev_master_upper_dev_get_rcu(ndev); | |
556 | if (upper) { | |
557 | dev_put(ndev); | |
558 | ndev = upper; | |
559 | dev_hold(ndev); | |
560 | } | |
561 | rcu_read_unlock(); | |
562 | } | |
563 | ||
3f89a643 AS |
564 | if (netif_running(ndev) && netif_carrier_ok(ndev)) { |
565 | props->state = IB_PORT_ACTIVE; | |
72a7720f | 566 | props->phys_state = IB_PORT_PHYS_STATE_LINK_UP; |
3f89a643 AS |
567 | } |
568 | ||
569 | ndev_ib_mtu = iboe_get_mtu(ndev->mtu); | |
570 | ||
571 | dev_put(ndev); | |
572 | ||
573 | props->active_mtu = min(props->max_mtu, ndev_ib_mtu); | |
b3cbd6f0 DJ |
574 | out: |
575 | if (put_mdev) | |
576 | mlx5_ib_put_native_port_mdev(dev, port_num); | |
577 | return err; | |
3f89a643 AS |
578 | } |
579 | ||
758ce14a PH |
580 | int set_roce_addr(struct mlx5_ib_dev *dev, u32 port_num, |
581 | unsigned int index, const union ib_gid *gid, | |
582 | const struct ib_gid_attr *attr) | |
3cca2606 | 583 | { |
dedbc2d3 | 584 | enum ib_gid_type gid_type; |
a70c0739 | 585 | u16 vlan_id = 0xffff; |
095b0927 IT |
586 | u8 roce_version = 0; |
587 | u8 roce_l3_type = 0; | |
095b0927 | 588 | u8 mac[ETH_ALEN]; |
a70c0739 | 589 | int ret; |
095b0927 | 590 | |
dedbc2d3 | 591 | gid_type = attr->gid_type; |
095b0927 | 592 | if (gid) { |
a70c0739 PP |
593 | ret = rdma_read_gid_l2_fields(attr, &vlan_id, &mac[0]); |
594 | if (ret) | |
595 | return ret; | |
3cca2606 AS |
596 | } |
597 | ||
095b0927 | 598 | switch (gid_type) { |
1c15b4f2 | 599 | case IB_GID_TYPE_ROCE: |
095b0927 | 600 | roce_version = MLX5_ROCE_VERSION_1; |
3cca2606 AS |
601 | break; |
602 | case IB_GID_TYPE_ROCE_UDP_ENCAP: | |
095b0927 | 603 | roce_version = MLX5_ROCE_VERSION_2; |
dedbc2d3 | 604 | if (gid && ipv6_addr_v4mapped((void *)gid)) |
095b0927 IT |
605 | roce_l3_type = MLX5_ROCE_L3_TYPE_IPV4; |
606 | else | |
607 | roce_l3_type = MLX5_ROCE_L3_TYPE_IPV6; | |
3cca2606 AS |
608 | break; |
609 | ||
610 | default: | |
095b0927 | 611 | mlx5_ib_warn(dev, "Unexpected GID type %u\n", gid_type); |
3cca2606 AS |
612 | } |
613 | ||
095b0927 | 614 | return mlx5_core_roce_gid_set(dev->mdev, index, roce_version, |
cf34e1fe | 615 | roce_l3_type, gid->raw, mac, |
a70c0739 | 616 | vlan_id < VLAN_CFI_MASK, vlan_id, |
cf34e1fe | 617 | port_num); |
3cca2606 AS |
618 | } |
619 | ||
f4df9a7c | 620 | static int mlx5_ib_add_gid(const struct ib_gid_attr *attr, |
3cca2606 AS |
621 | __always_unused void **context) |
622 | { | |
758ce14a PH |
623 | int ret; |
624 | ||
625 | ret = mlx5r_add_gid_macsec_operations(attr); | |
626 | if (ret) | |
627 | return ret; | |
628 | ||
414448d2 | 629 | return set_roce_addr(to_mdev(attr->device), attr->port_num, |
f4df9a7c | 630 | attr->index, &attr->gid, attr); |
3cca2606 AS |
631 | } |
632 | ||
414448d2 PP |
633 | static int mlx5_ib_del_gid(const struct ib_gid_attr *attr, |
634 | __always_unused void **context) | |
3cca2606 | 635 | { |
758ce14a PH |
636 | int ret; |
637 | ||
638 | ret = set_roce_addr(to_mdev(attr->device), attr->port_num, | |
639 | attr->index, NULL, attr); | |
640 | if (ret) | |
641 | return ret; | |
642 | ||
643 | mlx5r_del_gid_macsec_operations(attr); | |
644 | return 0; | |
3cca2606 AS |
645 | } |
646 | ||
5ac55dfc MZ |
647 | __be16 mlx5_get_roce_udp_sport_min(const struct mlx5_ib_dev *dev, |
648 | const struct ib_gid_attr *attr) | |
2811ba51 | 649 | { |
47ec3866 | 650 | if (attr->gid_type != IB_GID_TYPE_ROCE_UDP_ENCAP) |
2811ba51 AS |
651 | return 0; |
652 | ||
653 | return cpu_to_be16(MLX5_CAP_ROCE(dev->mdev, r_roce_min_src_udp_port)); | |
654 | } | |
655 | ||
1b5daf11 MD |
656 | static int mlx5_use_mad_ifc(struct mlx5_ib_dev *dev) |
657 | { | |
7fae6655 NO |
658 | if (MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_IB) |
659 | return !MLX5_CAP_GEN(dev->mdev, ib_virt); | |
660 | return 0; | |
1b5daf11 MD |
661 | } |
662 | ||
663 | enum { | |
664 | MLX5_VPORT_ACCESS_METHOD_MAD, | |
665 | MLX5_VPORT_ACCESS_METHOD_HCA, | |
666 | MLX5_VPORT_ACCESS_METHOD_NIC, | |
667 | }; | |
668 | ||
669 | static int mlx5_get_vport_access_method(struct ib_device *ibdev) | |
670 | { | |
671 | if (mlx5_use_mad_ifc(to_mdev(ibdev))) | |
672 | return MLX5_VPORT_ACCESS_METHOD_MAD; | |
673 | ||
ebd61f68 | 674 | if (mlx5_ib_port_link_layer(ibdev, 1) == |
1b5daf11 MD |
675 | IB_LINK_LAYER_ETHERNET) |
676 | return MLX5_VPORT_ACCESS_METHOD_NIC; | |
677 | ||
678 | return MLX5_VPORT_ACCESS_METHOD_HCA; | |
679 | } | |
680 | ||
da7525d2 | 681 | static void get_atomic_caps(struct mlx5_ib_dev *dev, |
776a3906 | 682 | u8 atomic_size_qp, |
da7525d2 EBE |
683 | struct ib_device_attr *props) |
684 | { | |
685 | u8 tmp; | |
686 | u8 atomic_operations = MLX5_CAP_ATOMIC(dev->mdev, atomic_operations); | |
da7525d2 | 687 | u8 atomic_req_8B_endianness_mode = |
bd10838a | 688 | MLX5_CAP_ATOMIC(dev->mdev, atomic_req_8B_endianness_mode); |
da7525d2 EBE |
689 | |
690 | /* Check if HW supports 8 bytes standard atomic operations and capable | |
691 | * of host endianness respond | |
692 | */ | |
693 | tmp = MLX5_ATOMIC_OPS_CMP_SWAP | MLX5_ATOMIC_OPS_FETCH_ADD; | |
694 | if (((atomic_operations & tmp) == tmp) && | |
695 | (atomic_size_qp & MLX5_ATOMIC_SIZE_QP_8BYTES) && | |
696 | (atomic_req_8B_endianness_mode)) { | |
697 | props->atomic_cap = IB_ATOMIC_HCA; | |
698 | } else { | |
699 | props->atomic_cap = IB_ATOMIC_NONE; | |
700 | } | |
701 | } | |
702 | ||
776a3906 MS |
703 | static void get_atomic_caps_qp(struct mlx5_ib_dev *dev, |
704 | struct ib_device_attr *props) | |
705 | { | |
706 | u8 atomic_size_qp = MLX5_CAP_ATOMIC(dev->mdev, atomic_size_qp); | |
707 | ||
708 | get_atomic_caps(dev, atomic_size_qp, props); | |
709 | } | |
710 | ||
1b5daf11 MD |
711 | static int mlx5_query_system_image_guid(struct ib_device *ibdev, |
712 | __be64 *sys_image_guid) | |
713 | { | |
714 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
715 | struct mlx5_core_dev *mdev = dev->mdev; | |
716 | u64 tmp; | |
717 | int err; | |
718 | ||
719 | switch (mlx5_get_vport_access_method(ibdev)) { | |
720 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
721 | return mlx5_query_mad_ifc_system_image_guid(ibdev, | |
722 | sys_image_guid); | |
723 | ||
724 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
725 | err = mlx5_query_hca_vport_system_image_guid(mdev, &tmp); | |
3f89a643 AS |
726 | break; |
727 | ||
728 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
729 | err = mlx5_query_nic_vport_system_image_guid(mdev, &tmp); | |
730 | break; | |
1b5daf11 MD |
731 | |
732 | default: | |
733 | return -EINVAL; | |
734 | } | |
3f89a643 AS |
735 | |
736 | if (!err) | |
737 | *sys_image_guid = cpu_to_be64(tmp); | |
738 | ||
739 | return err; | |
740 | ||
1b5daf11 MD |
741 | } |
742 | ||
743 | static int mlx5_query_max_pkeys(struct ib_device *ibdev, | |
744 | u16 *max_pkeys) | |
745 | { | |
746 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
747 | struct mlx5_core_dev *mdev = dev->mdev; | |
748 | ||
749 | switch (mlx5_get_vport_access_method(ibdev)) { | |
750 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
751 | return mlx5_query_mad_ifc_max_pkeys(ibdev, max_pkeys); | |
752 | ||
753 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
754 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
755 | *max_pkeys = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, | |
756 | pkey_table_size)); | |
757 | return 0; | |
758 | ||
759 | default: | |
760 | return -EINVAL; | |
761 | } | |
762 | } | |
763 | ||
764 | static int mlx5_query_vendor_id(struct ib_device *ibdev, | |
765 | u32 *vendor_id) | |
766 | { | |
767 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
768 | ||
769 | switch (mlx5_get_vport_access_method(ibdev)) { | |
770 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
771 | return mlx5_query_mad_ifc_vendor_id(ibdev, vendor_id); | |
772 | ||
773 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
774 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
775 | return mlx5_core_query_vendor_id(dev->mdev, vendor_id); | |
776 | ||
777 | default: | |
778 | return -EINVAL; | |
779 | } | |
780 | } | |
781 | ||
782 | static int mlx5_query_node_guid(struct mlx5_ib_dev *dev, | |
783 | __be64 *node_guid) | |
784 | { | |
785 | u64 tmp; | |
786 | int err; | |
787 | ||
788 | switch (mlx5_get_vport_access_method(&dev->ib_dev)) { | |
789 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
790 | return mlx5_query_mad_ifc_node_guid(dev, node_guid); | |
791 | ||
792 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
793 | err = mlx5_query_hca_vport_node_guid(dev->mdev, &tmp); | |
3f89a643 AS |
794 | break; |
795 | ||
796 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
797 | err = mlx5_query_nic_vport_node_guid(dev->mdev, &tmp); | |
798 | break; | |
1b5daf11 MD |
799 | |
800 | default: | |
801 | return -EINVAL; | |
802 | } | |
3f89a643 AS |
803 | |
804 | if (!err) | |
805 | *node_guid = cpu_to_be64(tmp); | |
806 | ||
807 | return err; | |
1b5daf11 MD |
808 | } |
809 | ||
810 | struct mlx5_reg_node_desc { | |
bd99fdea | 811 | u8 desc[IB_DEVICE_NODE_DESC_MAX]; |
1b5daf11 MD |
812 | }; |
813 | ||
814 | static int mlx5_query_node_desc(struct mlx5_ib_dev *dev, char *node_desc) | |
815 | { | |
816 | struct mlx5_reg_node_desc in; | |
817 | ||
818 | if (mlx5_use_mad_ifc(dev)) | |
819 | return mlx5_query_mad_ifc_node_desc(dev, node_desc); | |
820 | ||
821 | memset(&in, 0, sizeof(in)); | |
822 | ||
823 | return mlx5_core_access_reg(dev->mdev, &in, sizeof(in), node_desc, | |
824 | sizeof(struct mlx5_reg_node_desc), | |
825 | MLX5_REG_NODE_DESC, 0, 0); | |
826 | } | |
827 | ||
d727d27d MB |
828 | static void fill_esw_mgr_reg_c0(struct mlx5_core_dev *mdev, |
829 | struct mlx5_ib_query_device_resp *resp) | |
830 | { | |
831 | struct mlx5_eswitch *esw = mdev->priv.eswitch; | |
832 | u16 vport = mlx5_eswitch_manager_vport(mdev); | |
833 | ||
834 | resp->reg_c0.value = mlx5_eswitch_get_vport_metadata_for_match(esw, | |
835 | vport); | |
836 | resp->reg_c0.mask = mlx5_eswitch_get_vport_metadata_mask(); | |
837 | } | |
838 | ||
e126ba97 | 839 | static int mlx5_ib_query_device(struct ib_device *ibdev, |
2528e33e MB |
840 | struct ib_device_attr *props, |
841 | struct ib_udata *uhw) | |
e126ba97 | 842 | { |
48357091 | 843 | size_t uhw_outlen = (uhw) ? uhw->outlen : 0; |
e126ba97 | 844 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
938fe83c | 845 | struct mlx5_core_dev *mdev = dev->mdev; |
e126ba97 | 846 | int err = -ENOMEM; |
288c01b7 | 847 | int max_sq_desc; |
e126ba97 EC |
848 | int max_rq_sg; |
849 | int max_sq_sg; | |
e0238a6a | 850 | u64 min_page_size = 1ull << MLX5_CAP_GEN(mdev, log_pg_sz); |
85c7c014 | 851 | bool raw_support = !mlx5_core_mp_enabled(mdev); |
402ca536 BW |
852 | struct mlx5_ib_query_device_resp resp = {}; |
853 | size_t resp_len; | |
854 | u64 max_tso; | |
e126ba97 | 855 | |
402ca536 | 856 | resp_len = sizeof(resp.comp_mask) + sizeof(resp.response_length); |
48357091 | 857 | if (uhw_outlen && uhw_outlen < resp_len) |
402ca536 | 858 | return -EINVAL; |
6f26b2ac EA |
859 | |
860 | resp.response_length = resp_len; | |
402ca536 | 861 | |
48357091 | 862 | if (uhw && uhw->inlen && !ib_is_udata_cleared(uhw, 0, uhw->inlen)) |
2528e33e MB |
863 | return -EINVAL; |
864 | ||
1b5daf11 MD |
865 | memset(props, 0, sizeof(*props)); |
866 | err = mlx5_query_system_image_guid(ibdev, | |
867 | &props->sys_image_guid); | |
868 | if (err) | |
869 | return err; | |
e126ba97 | 870 | |
2019d70e | 871 | props->max_pkeys = dev->pkey_table_len; |
e126ba97 | 872 | |
1b5daf11 MD |
873 | err = mlx5_query_vendor_id(ibdev, &props->vendor_id); |
874 | if (err) | |
875 | return err; | |
e126ba97 | 876 | |
9603b61d JM |
877 | props->fw_ver = ((u64)fw_rev_maj(dev->mdev) << 32) | |
878 | (fw_rev_min(dev->mdev) << 16) | | |
879 | fw_rev_sub(dev->mdev); | |
e126ba97 EC |
880 | props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | |
881 | IB_DEVICE_PORT_ACTIVE_EVENT | | |
882 | IB_DEVICE_SYS_IMAGE_GUID | | |
1a4c3a3d | 883 | IB_DEVICE_RC_RNR_NAK_GEN; |
938fe83c SM |
884 | |
885 | if (MLX5_CAP_GEN(mdev, pkv)) | |
e126ba97 | 886 | props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; |
938fe83c | 887 | if (MLX5_CAP_GEN(mdev, qkv)) |
e126ba97 | 888 | props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; |
938fe83c | 889 | if (MLX5_CAP_GEN(mdev, apm)) |
e126ba97 | 890 | props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; |
938fe83c | 891 | if (MLX5_CAP_GEN(mdev, xrc)) |
e126ba97 | 892 | props->device_cap_flags |= IB_DEVICE_XRC; |
d2370e0a MB |
893 | if (MLX5_CAP_GEN(mdev, imaicl)) { |
894 | props->device_cap_flags |= IB_DEVICE_MEM_WINDOW | | |
895 | IB_DEVICE_MEM_WINDOW_TYPE_2B; | |
896 | props->max_mw = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); | |
b005d316 | 897 | /* We support 'Gappy' memory registration too */ |
e945c653 | 898 | props->kernel_cap_flags |= IBK_SG_GAPS_REG; |
d2370e0a | 899 | } |
0ec52f01 JG |
900 | /* IB_WR_REG_MR always requires changing the entity size with UMR */ |
901 | if (!MLX5_CAP_GEN(dev->mdev, umr_modify_entity_size_disabled)) | |
902 | props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; | |
938fe83c | 903 | if (MLX5_CAP_GEN(mdev, sho)) { |
e945c653 | 904 | props->kernel_cap_flags |= IBK_INTEGRITY_HANDOVER; |
2dea9094 SG |
905 | /* At this stage no support for signature handover */ |
906 | props->sig_prot_cap = IB_PROT_T10DIF_TYPE_1 | | |
907 | IB_PROT_T10DIF_TYPE_2 | | |
908 | IB_PROT_T10DIF_TYPE_3; | |
909 | props->sig_guard_cap = IB_GUARD_T10DIF_CRC | | |
910 | IB_GUARD_T10DIF_CSUM; | |
911 | } | |
938fe83c | 912 | if (MLX5_CAP_GEN(mdev, block_lb_mc)) |
e945c653 | 913 | props->kernel_cap_flags |= IBK_BLOCK_MULTICAST_LOOPBACK; |
e126ba97 | 914 | |
85c7c014 | 915 | if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && raw_support) { |
e8161334 NO |
916 | if (MLX5_CAP_ETH(mdev, csum_cap)) { |
917 | /* Legacy bit to support old userspace libraries */ | |
88115fe7 | 918 | props->device_cap_flags |= IB_DEVICE_RAW_IP_CSUM; |
e8161334 NO |
919 | props->raw_packet_caps |= IB_RAW_PACKET_CAP_IP_CSUM; |
920 | } | |
921 | ||
922 | if (MLX5_CAP_ETH(dev->mdev, vlan_cap)) | |
923 | props->raw_packet_caps |= | |
924 | IB_RAW_PACKET_CAP_CVLAN_STRIPPING; | |
88115fe7 | 925 | |
a762d460 | 926 | if (offsetofend(typeof(resp), tso_caps) <= uhw_outlen) { |
402ca536 BW |
927 | max_tso = MLX5_CAP_ETH(mdev, max_lso_cap); |
928 | if (max_tso) { | |
929 | resp.tso_caps.max_tso = 1 << max_tso; | |
930 | resp.tso_caps.supported_qpts |= | |
931 | 1 << IB_QPT_RAW_PACKET; | |
932 | resp.response_length += sizeof(resp.tso_caps); | |
933 | } | |
934 | } | |
31f69a82 | 935 | |
a762d460 | 936 | if (offsetofend(typeof(resp), rss_caps) <= uhw_outlen) { |
31f69a82 YH |
937 | resp.rss_caps.rx_hash_function = |
938 | MLX5_RX_HASH_FUNC_TOEPLITZ; | |
939 | resp.rss_caps.rx_hash_fields_mask = | |
940 | MLX5_RX_HASH_SRC_IPV4 | | |
941 | MLX5_RX_HASH_DST_IPV4 | | |
942 | MLX5_RX_HASH_SRC_IPV6 | | |
943 | MLX5_RX_HASH_DST_IPV6 | | |
944 | MLX5_RX_HASH_SRC_PORT_TCP | | |
945 | MLX5_RX_HASH_DST_PORT_TCP | | |
946 | MLX5_RX_HASH_SRC_PORT_UDP | | |
4e2b53a5 MG |
947 | MLX5_RX_HASH_DST_PORT_UDP | |
948 | MLX5_RX_HASH_INNER; | |
31f69a82 YH |
949 | resp.response_length += sizeof(resp.rss_caps); |
950 | } | |
951 | } else { | |
a762d460 | 952 | if (offsetofend(typeof(resp), tso_caps) <= uhw_outlen) |
31f69a82 | 953 | resp.response_length += sizeof(resp.tso_caps); |
a762d460 | 954 | if (offsetofend(typeof(resp), rss_caps) <= uhw_outlen) |
31f69a82 | 955 | resp.response_length += sizeof(resp.rss_caps); |
402ca536 BW |
956 | } |
957 | ||
f0313965 ES |
958 | if (MLX5_CAP_GEN(mdev, ipoib_basic_offloads)) { |
959 | props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; | |
e945c653 | 960 | props->kernel_cap_flags |= IBK_UD_TSO; |
f0313965 ES |
961 | } |
962 | ||
03404e8a | 963 | if (MLX5_CAP_GEN(dev->mdev, rq_delay_drop) && |
85c7c014 DJ |
964 | MLX5_CAP_GEN(dev->mdev, general_notification_event) && |
965 | raw_support) | |
03404e8a MG |
966 | props->raw_packet_caps |= IB_RAW_PACKET_CAP_DELAY_DROP; |
967 | ||
1d54f890 YH |
968 | if (MLX5_CAP_GEN(mdev, ipoib_enhanced_offloads) && |
969 | MLX5_CAP_IPOIB_ENHANCED(mdev, csum_cap)) | |
970 | props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; | |
971 | ||
cff5a0f3 | 972 | if (MLX5_CAP_GEN(dev->mdev, eth_net_offloads) && |
85c7c014 DJ |
973 | MLX5_CAP_ETH(dev->mdev, scatter_fcs) && |
974 | raw_support) { | |
e8161334 | 975 | /* Legacy bit to support old userspace libraries */ |
cff5a0f3 | 976 | props->device_cap_flags |= IB_DEVICE_RAW_SCATTER_FCS; |
e8161334 NO |
977 | props->raw_packet_caps |= IB_RAW_PACKET_CAP_SCATTER_FCS; |
978 | } | |
cff5a0f3 | 979 | |
24da0016 AL |
980 | if (MLX5_CAP_DEV_MEM(mdev, memic)) { |
981 | props->max_dm_size = | |
982 | MLX5_CAP_DEV_MEM(mdev, max_memic_size); | |
983 | } | |
984 | ||
da6d6ba3 MG |
985 | if (mlx5_get_flow_namespace(dev->mdev, MLX5_FLOW_NAMESPACE_BYPASS)) |
986 | props->device_cap_flags |= IB_DEVICE_MANAGED_FLOW_STEERING; | |
987 | ||
b1383aa6 NO |
988 | if (MLX5_CAP_GEN(mdev, end_pad)) |
989 | props->device_cap_flags |= IB_DEVICE_PCI_WRITE_END_PADDING; | |
990 | ||
1b5daf11 MD |
991 | props->vendor_part_id = mdev->pdev->device; |
992 | props->hw_ver = mdev->pdev->revision; | |
e126ba97 EC |
993 | |
994 | props->max_mr_size = ~0ull; | |
e0238a6a | 995 | props->page_size_cap = ~(min_page_size - 1); |
938fe83c SM |
996 | props->max_qp = 1 << MLX5_CAP_GEN(mdev, log_max_qp); |
997 | props->max_qp_wr = 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); | |
998 | max_rq_sg = MLX5_CAP_GEN(mdev, max_wqe_sz_rq) / | |
999 | sizeof(struct mlx5_wqe_data_seg); | |
288c01b7 EC |
1000 | max_sq_desc = min_t(int, MLX5_CAP_GEN(mdev, max_wqe_sz_sq), 512); |
1001 | max_sq_sg = (max_sq_desc - sizeof(struct mlx5_wqe_ctrl_seg) - | |
1002 | sizeof(struct mlx5_wqe_raddr_seg)) / | |
1003 | sizeof(struct mlx5_wqe_data_seg); | |
33023fb8 SW |
1004 | props->max_send_sge = max_sq_sg; |
1005 | props->max_recv_sge = max_rq_sg; | |
986ef95e | 1006 | props->max_sge_rd = MLX5_MAX_SGE_RD; |
938fe83c | 1007 | props->max_cq = 1 << MLX5_CAP_GEN(mdev, log_max_cq); |
9f177686 | 1008 | props->max_cqe = (1 << MLX5_CAP_GEN(mdev, log_max_cq_sz)) - 1; |
938fe83c SM |
1009 | props->max_mr = 1 << MLX5_CAP_GEN(mdev, log_max_mkey); |
1010 | props->max_pd = 1 << MLX5_CAP_GEN(mdev, log_max_pd); | |
1011 | props->max_qp_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_req_qp); | |
1012 | props->max_qp_init_rd_atom = 1 << MLX5_CAP_GEN(mdev, log_max_ra_res_qp); | |
1013 | props->max_srq = 1 << MLX5_CAP_GEN(mdev, log_max_srq); | |
1014 | props->max_srq_wr = (1 << MLX5_CAP_GEN(mdev, log_max_srq_sz)) - 1; | |
1015 | props->local_ca_ack_delay = MLX5_CAP_GEN(mdev, local_ca_ack_delay); | |
e126ba97 | 1016 | props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; |
e126ba97 | 1017 | props->max_srq_sge = max_rq_sg - 1; |
911f4331 SG |
1018 | props->max_fast_reg_page_list_len = |
1019 | 1 << MLX5_CAP_GEN(mdev, log_max_klm_list_size); | |
62e3c379 MG |
1020 | props->max_pi_fast_reg_page_list_len = |
1021 | props->max_fast_reg_page_list_len / 2; | |
36609056 YF |
1022 | props->max_sgl_rd = |
1023 | MLX5_CAP_GEN(mdev, max_sgl_for_optimized_performance); | |
776a3906 | 1024 | get_atomic_caps_qp(dev, props); |
81bea28f | 1025 | props->masked_atomic_cap = IB_ATOMIC_NONE; |
938fe83c SM |
1026 | props->max_mcast_grp = 1 << MLX5_CAP_GEN(mdev, log_max_mcg); |
1027 | props->max_mcast_qp_attach = MLX5_CAP_GEN(mdev, max_qp_mcg); | |
e126ba97 EC |
1028 | props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * |
1029 | props->max_mcast_grp; | |
86695a65 | 1030 | props->max_ah = INT_MAX; |
7c60bcbb MB |
1031 | props->hca_core_clock = MLX5_CAP_GEN(mdev, device_frequency_khz); |
1032 | props->timestamp_mask = 0x7FFFFFFFFFFFFFFFULL; | |
e126ba97 | 1033 | |
e502b8b0 | 1034 | if (IS_ENABLED(CONFIG_INFINIBAND_ON_DEMAND_PAGING)) { |
00815752 | 1035 | if (dev->odp_caps.general_caps & IB_ODP_SUPPORT) |
e945c653 | 1036 | props->kernel_cap_flags |= IBK_ON_DEMAND_PAGING; |
e502b8b0 | 1037 | props->odp_caps = dev->odp_caps; |
a73a8955 MS |
1038 | if (!uhw) { |
1039 | /* ODP for kernel QPs is not implemented for receive | |
1040 | * WQEs and SRQ WQEs | |
1041 | */ | |
1042 | props->odp_caps.per_transport_caps.rc_odp_caps &= | |
1043 | ~(IB_ODP_SUPPORT_READ | | |
1044 | IB_ODP_SUPPORT_SRQ_RECV); | |
1045 | props->odp_caps.per_transport_caps.uc_odp_caps &= | |
1046 | ~(IB_ODP_SUPPORT_READ | | |
1047 | IB_ODP_SUPPORT_SRQ_RECV); | |
1048 | props->odp_caps.per_transport_caps.ud_odp_caps &= | |
1049 | ~(IB_ODP_SUPPORT_READ | | |
1050 | IB_ODP_SUPPORT_SRQ_RECV); | |
1051 | props->odp_caps.per_transport_caps.xrc_odp_caps &= | |
1052 | ~(IB_ODP_SUPPORT_READ | | |
1053 | IB_ODP_SUPPORT_SRQ_RECV); | |
1054 | } | |
e502b8b0 | 1055 | } |
8cdd312c | 1056 | |
e53a9d26 | 1057 | if (mlx5_core_is_vf(mdev)) |
e945c653 | 1058 | props->kernel_cap_flags |= IBK_VIRTUAL_FUNCTION; |
eff901d3 | 1059 | |
31f69a82 | 1060 | if (mlx5_ib_port_link_layer(ibdev, 1) == |
85c7c014 | 1061 | IB_LINK_LAYER_ETHERNET && raw_support) { |
31f69a82 YH |
1062 | props->rss_caps.max_rwq_indirection_tables = |
1063 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt); | |
1064 | props->rss_caps.max_rwq_indirection_table_size = | |
1065 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_rqt_size); | |
1066 | props->rss_caps.supported_qpts = 1 << IB_QPT_RAW_PACKET; | |
1067 | props->max_wq_type_rq = | |
1068 | 1 << MLX5_CAP_GEN(dev->mdev, log_max_rq); | |
1069 | } | |
1070 | ||
eb761894 | 1071 | if (MLX5_CAP_GEN(mdev, tag_matching)) { |
78b1beb0 | 1072 | props->tm_caps.max_num_tags = |
eb761894 | 1073 | (1 << MLX5_CAP_GEN(mdev, log_tag_matching_list_sz)) - 1; |
78b1beb0 | 1074 | props->tm_caps.max_ops = |
eb761894 | 1075 | 1 << MLX5_CAP_GEN(mdev, log_max_qp_sz); |
78b1beb0 | 1076 | props->tm_caps.max_sge = MLX5_TM_MAX_SGE; |
eb761894 AK |
1077 | } |
1078 | ||
89705e92 DG |
1079 | if (MLX5_CAP_GEN(mdev, tag_matching) && |
1080 | MLX5_CAP_GEN(mdev, rndv_offload_rc)) { | |
1081 | props->tm_caps.flags = IB_TM_CAP_RNDV_RC; | |
1082 | props->tm_caps.max_rndv_hdr_size = MLX5_TM_MAX_RNDV_MSG_SIZE; | |
1083 | } | |
1084 | ||
87ab3f52 YC |
1085 | if (MLX5_CAP_GEN(dev->mdev, cq_moderation)) { |
1086 | props->cq_caps.max_cq_moderation_count = | |
1087 | MLX5_MAX_CQ_COUNT; | |
1088 | props->cq_caps.max_cq_moderation_period = | |
1089 | MLX5_MAX_CQ_PERIOD; | |
1090 | } | |
1091 | ||
a762d460 | 1092 | if (offsetofend(typeof(resp), cqe_comp_caps) <= uhw_outlen) { |
7e43a2a5 | 1093 | resp.response_length += sizeof(resp.cqe_comp_caps); |
572f46bf YC |
1094 | |
1095 | if (MLX5_CAP_GEN(dev->mdev, cqe_compression)) { | |
1096 | resp.cqe_comp_caps.max_num = | |
1097 | MLX5_CAP_GEN(dev->mdev, | |
1098 | cqe_compression_max_num); | |
1099 | ||
1100 | resp.cqe_comp_caps.supported_format = | |
1101 | MLX5_IB_CQE_RES_FORMAT_HASH | | |
1102 | MLX5_IB_CQE_RES_FORMAT_CSUM; | |
6f1006a4 YC |
1103 | |
1104 | if (MLX5_CAP_GEN(dev->mdev, mini_cqe_resp_stride_index)) | |
1105 | resp.cqe_comp_caps.supported_format |= | |
1106 | MLX5_IB_CQE_RES_FORMAT_CSUM_STRIDX; | |
572f46bf | 1107 | } |
7e43a2a5 BW |
1108 | } |
1109 | ||
a762d460 | 1110 | if (offsetofend(typeof(resp), packet_pacing_caps) <= uhw_outlen && |
85c7c014 | 1111 | raw_support) { |
d949167d BW |
1112 | if (MLX5_CAP_QOS(mdev, packet_pacing) && |
1113 | MLX5_CAP_GEN(mdev, qos)) { | |
1114 | resp.packet_pacing_caps.qp_rate_limit_max = | |
1115 | MLX5_CAP_QOS(mdev, packet_pacing_max_rate); | |
1116 | resp.packet_pacing_caps.qp_rate_limit_min = | |
1117 | MLX5_CAP_QOS(mdev, packet_pacing_min_rate); | |
1118 | resp.packet_pacing_caps.supported_qpts |= | |
1119 | 1 << IB_QPT_RAW_PACKET; | |
61147f39 BW |
1120 | if (MLX5_CAP_QOS(mdev, packet_pacing_burst_bound) && |
1121 | MLX5_CAP_QOS(mdev, packet_pacing_typical_size)) | |
1122 | resp.packet_pacing_caps.cap_flags |= | |
1123 | MLX5_IB_PP_SUPPORT_BURST; | |
d949167d BW |
1124 | } |
1125 | resp.response_length += sizeof(resp.packet_pacing_caps); | |
1126 | } | |
1127 | ||
a762d460 LR |
1128 | if (offsetofend(typeof(resp), mlx5_ib_support_multi_pkt_send_wqes) <= |
1129 | uhw_outlen) { | |
795b609c BW |
1130 | if (MLX5_CAP_ETH(mdev, multi_pkt_send_wqe)) |
1131 | resp.mlx5_ib_support_multi_pkt_send_wqes = | |
1132 | MLX5_IB_ALLOW_MPW; | |
050da902 BW |
1133 | |
1134 | if (MLX5_CAP_ETH(mdev, enhanced_multi_pkt_send_wqe)) | |
1135 | resp.mlx5_ib_support_multi_pkt_send_wqes |= | |
1136 | MLX5_IB_SUPPORT_EMPW; | |
1137 | ||
9f885201 LR |
1138 | resp.response_length += |
1139 | sizeof(resp.mlx5_ib_support_multi_pkt_send_wqes); | |
1140 | } | |
1141 | ||
a762d460 | 1142 | if (offsetofend(typeof(resp), flags) <= uhw_outlen) { |
de57f2ad | 1143 | resp.response_length += sizeof(resp.flags); |
7a0c8f42 | 1144 | |
de57f2ad GL |
1145 | if (MLX5_CAP_GEN(mdev, cqe_compression_128)) |
1146 | resp.flags |= | |
1147 | MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_COMP; | |
7a0c8f42 GL |
1148 | |
1149 | if (MLX5_CAP_GEN(mdev, cqe_128_always)) | |
1150 | resp.flags |= MLX5_IB_QUERY_DEV_RESP_FLAGS_CQE_128B_PAD; | |
7e11b911 DG |
1151 | if (MLX5_CAP_GEN(mdev, qp_packet_based)) |
1152 | resp.flags |= | |
1153 | MLX5_IB_QUERY_DEV_RESP_PACKET_BASED_CREDIT_MODE; | |
7249c8ea GL |
1154 | |
1155 | resp.flags |= MLX5_IB_QUERY_DEV_RESP_FLAGS_SCAT2CQE_DCT; | |
de57f2ad | 1156 | } |
9f885201 | 1157 | |
a762d460 | 1158 | if (offsetofend(typeof(resp), sw_parsing_caps) <= uhw_outlen) { |
96dc3fc5 NO |
1159 | resp.response_length += sizeof(resp.sw_parsing_caps); |
1160 | if (MLX5_CAP_ETH(mdev, swp)) { | |
1161 | resp.sw_parsing_caps.sw_parsing_offloads |= | |
1162 | MLX5_IB_SW_PARSING; | |
1163 | ||
1164 | if (MLX5_CAP_ETH(mdev, swp_csum)) | |
1165 | resp.sw_parsing_caps.sw_parsing_offloads |= | |
1166 | MLX5_IB_SW_PARSING_CSUM; | |
1167 | ||
1168 | if (MLX5_CAP_ETH(mdev, swp_lso)) | |
1169 | resp.sw_parsing_caps.sw_parsing_offloads |= | |
1170 | MLX5_IB_SW_PARSING_LSO; | |
1171 | ||
1172 | if (resp.sw_parsing_caps.sw_parsing_offloads) | |
1173 | resp.sw_parsing_caps.supported_qpts = | |
1174 | BIT(IB_QPT_RAW_PACKET); | |
1175 | } | |
1176 | } | |
1177 | ||
a762d460 | 1178 | if (offsetofend(typeof(resp), striding_rq_caps) <= uhw_outlen && |
85c7c014 | 1179 | raw_support) { |
b4f34597 NO |
1180 | resp.response_length += sizeof(resp.striding_rq_caps); |
1181 | if (MLX5_CAP_GEN(mdev, striding_rq)) { | |
1182 | resp.striding_rq_caps.min_single_stride_log_num_of_bytes = | |
1183 | MLX5_MIN_SINGLE_STRIDE_LOG_NUM_BYTES; | |
1184 | resp.striding_rq_caps.max_single_stride_log_num_of_bytes = | |
1185 | MLX5_MAX_SINGLE_STRIDE_LOG_NUM_BYTES; | |
c16339b6 MZ |
1186 | if (MLX5_CAP_GEN(dev->mdev, ext_stride_num_range)) |
1187 | resp.striding_rq_caps | |
1188 | .min_single_wqe_log_num_of_strides = | |
1189 | MLX5_EXT_MIN_SINGLE_WQE_LOG_NUM_STRIDES; | |
1190 | else | |
1191 | resp.striding_rq_caps | |
1192 | .min_single_wqe_log_num_of_strides = | |
1193 | MLX5_MIN_SINGLE_WQE_LOG_NUM_STRIDES; | |
b4f34597 NO |
1194 | resp.striding_rq_caps.max_single_wqe_log_num_of_strides = |
1195 | MLX5_MAX_SINGLE_WQE_LOG_NUM_STRIDES; | |
1196 | resp.striding_rq_caps.supported_qpts = | |
1197 | BIT(IB_QPT_RAW_PACKET); | |
1198 | } | |
1199 | } | |
1200 | ||
a762d460 | 1201 | if (offsetofend(typeof(resp), tunnel_offloads_caps) <= uhw_outlen) { |
f95ef6cb MG |
1202 | resp.response_length += sizeof(resp.tunnel_offloads_caps); |
1203 | if (MLX5_CAP_ETH(mdev, tunnel_stateless_vxlan)) | |
1204 | resp.tunnel_offloads_caps |= | |
1205 | MLX5_IB_TUNNELED_OFFLOADS_VXLAN; | |
1206 | if (MLX5_CAP_ETH(mdev, tunnel_stateless_geneve_rx)) | |
1207 | resp.tunnel_offloads_caps |= | |
1208 | MLX5_IB_TUNNELED_OFFLOADS_GENEVE; | |
1209 | if (MLX5_CAP_ETH(mdev, tunnel_stateless_gre)) | |
1210 | resp.tunnel_offloads_caps |= | |
1211 | MLX5_IB_TUNNELED_OFFLOADS_GRE; | |
41e684ef | 1212 | if (MLX5_CAP_ETH(mdev, tunnel_stateless_mpls_over_gre)) |
e818e255 AL |
1213 | resp.tunnel_offloads_caps |= |
1214 | MLX5_IB_TUNNELED_OFFLOADS_MPLS_GRE; | |
41e684ef | 1215 | if (MLX5_CAP_ETH(mdev, tunnel_stateless_mpls_over_udp)) |
e818e255 AL |
1216 | resp.tunnel_offloads_caps |= |
1217 | MLX5_IB_TUNNELED_OFFLOADS_MPLS_UDP; | |
f95ef6cb MG |
1218 | } |
1219 | ||
11656f59 LN |
1220 | if (offsetofend(typeof(resp), dci_streams_caps) <= uhw_outlen) { |
1221 | resp.response_length += sizeof(resp.dci_streams_caps); | |
1222 | ||
1223 | resp.dci_streams_caps.max_log_num_concurent = | |
1224 | MLX5_CAP_GEN(mdev, log_max_dci_stream_channels); | |
1225 | ||
1226 | resp.dci_streams_caps.max_log_num_errored = | |
1227 | MLX5_CAP_GEN(mdev, log_max_dci_errored_streams); | |
1228 | } | |
1229 | ||
d727d27d MB |
1230 | if (offsetofend(typeof(resp), reserved) <= uhw_outlen) |
1231 | resp.response_length += sizeof(resp.reserved); | |
1232 | ||
1233 | if (offsetofend(typeof(resp), reg_c0) <= uhw_outlen) { | |
1234 | struct mlx5_eswitch *esw = mdev->priv.eswitch; | |
1235 | ||
1236 | resp.response_length += sizeof(resp.reg_c0); | |
1237 | ||
1238 | if (mlx5_eswitch_mode(mdev) == MLX5_ESWITCH_OFFLOADS && | |
1239 | mlx5_eswitch_vport_match_metadata_enabled(esw)) | |
1240 | fill_esw_mgr_reg_c0(mdev, &resp); | |
1241 | } | |
1242 | ||
48357091 | 1243 | if (uhw_outlen) { |
402ca536 BW |
1244 | err = ib_copy_to_udata(uhw, &resp, resp.response_length); |
1245 | ||
1246 | if (err) | |
1247 | return err; | |
1248 | } | |
1249 | ||
1b5daf11 | 1250 | return 0; |
e126ba97 EC |
1251 | } |
1252 | ||
639bf441 AL |
1253 | static void translate_active_width(struct ib_device *ibdev, u16 active_width, |
1254 | u8 *ib_width) | |
e126ba97 EC |
1255 | { |
1256 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
1b5daf11 | 1257 | |
e27014bd | 1258 | if (active_width & MLX5_PTYS_WIDTH_1X) |
1b5daf11 | 1259 | *ib_width = IB_WIDTH_1X; |
e27014bd | 1260 | else if (active_width & MLX5_PTYS_WIDTH_2X) |
d764970b | 1261 | *ib_width = IB_WIDTH_2X; |
e27014bd | 1262 | else if (active_width & MLX5_PTYS_WIDTH_4X) |
1b5daf11 | 1263 | *ib_width = IB_WIDTH_4X; |
e27014bd | 1264 | else if (active_width & MLX5_PTYS_WIDTH_8X) |
1b5daf11 | 1265 | *ib_width = IB_WIDTH_8X; |
e27014bd | 1266 | else if (active_width & MLX5_PTYS_WIDTH_12X) |
1b5daf11 | 1267 | *ib_width = IB_WIDTH_12X; |
db7a691a MG |
1268 | else { |
1269 | mlx5_ib_dbg(dev, "Invalid active_width %d, setting width to default value: 4x\n", | |
e27014bd | 1270 | active_width); |
db7a691a | 1271 | *ib_width = IB_WIDTH_4X; |
e126ba97 EC |
1272 | } |
1273 | ||
db7a691a | 1274 | return; |
1b5daf11 | 1275 | } |
e126ba97 | 1276 | |
1b5daf11 MD |
1277 | static int mlx5_mtu_to_ib_mtu(int mtu) |
1278 | { | |
1279 | switch (mtu) { | |
1280 | case 256: return 1; | |
1281 | case 512: return 2; | |
1282 | case 1024: return 3; | |
1283 | case 2048: return 4; | |
1284 | case 4096: return 5; | |
1285 | default: | |
1286 | pr_warn("invalid mtu\n"); | |
1287 | return -1; | |
e126ba97 | 1288 | } |
1b5daf11 | 1289 | } |
e126ba97 | 1290 | |
1b5daf11 MD |
1291 | enum ib_max_vl_num { |
1292 | __IB_MAX_VL_0 = 1, | |
1293 | __IB_MAX_VL_0_1 = 2, | |
1294 | __IB_MAX_VL_0_3 = 3, | |
1295 | __IB_MAX_VL_0_7 = 4, | |
1296 | __IB_MAX_VL_0_14 = 5, | |
1297 | }; | |
e126ba97 | 1298 | |
1b5daf11 MD |
1299 | enum mlx5_vl_hw_cap { |
1300 | MLX5_VL_HW_0 = 1, | |
1301 | MLX5_VL_HW_0_1 = 2, | |
1302 | MLX5_VL_HW_0_2 = 3, | |
1303 | MLX5_VL_HW_0_3 = 4, | |
1304 | MLX5_VL_HW_0_4 = 5, | |
1305 | MLX5_VL_HW_0_5 = 6, | |
1306 | MLX5_VL_HW_0_6 = 7, | |
1307 | MLX5_VL_HW_0_7 = 8, | |
1308 | MLX5_VL_HW_0_14 = 15 | |
1309 | }; | |
e126ba97 | 1310 | |
1b5daf11 MD |
1311 | static int translate_max_vl_num(struct ib_device *ibdev, u8 vl_hw_cap, |
1312 | u8 *max_vl_num) | |
1313 | { | |
1314 | switch (vl_hw_cap) { | |
1315 | case MLX5_VL_HW_0: | |
1316 | *max_vl_num = __IB_MAX_VL_0; | |
1317 | break; | |
1318 | case MLX5_VL_HW_0_1: | |
1319 | *max_vl_num = __IB_MAX_VL_0_1; | |
1320 | break; | |
1321 | case MLX5_VL_HW_0_3: | |
1322 | *max_vl_num = __IB_MAX_VL_0_3; | |
1323 | break; | |
1324 | case MLX5_VL_HW_0_7: | |
1325 | *max_vl_num = __IB_MAX_VL_0_7; | |
1326 | break; | |
1327 | case MLX5_VL_HW_0_14: | |
1328 | *max_vl_num = __IB_MAX_VL_0_14; | |
1329 | break; | |
e126ba97 | 1330 | |
1b5daf11 MD |
1331 | default: |
1332 | return -EINVAL; | |
e126ba97 | 1333 | } |
e126ba97 | 1334 | |
1b5daf11 | 1335 | return 0; |
e126ba97 EC |
1336 | } |
1337 | ||
1fb7f897 | 1338 | static int mlx5_query_hca_port(struct ib_device *ibdev, u32 port, |
1b5daf11 | 1339 | struct ib_port_attr *props) |
e126ba97 | 1340 | { |
1b5daf11 MD |
1341 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
1342 | struct mlx5_core_dev *mdev = dev->mdev; | |
1343 | struct mlx5_hca_vport_context *rep; | |
3b43399b | 1344 | u8 vl_hw_cap, plane_index = 0; |
046339ea SM |
1345 | u16 max_mtu; |
1346 | u16 oper_mtu; | |
1b5daf11 | 1347 | int err; |
639bf441 | 1348 | u16 ib_link_width_oper; |
e126ba97 | 1349 | |
1b5daf11 MD |
1350 | rep = kzalloc(sizeof(*rep), GFP_KERNEL); |
1351 | if (!rep) { | |
1352 | err = -ENOMEM; | |
e126ba97 | 1353 | goto out; |
e126ba97 | 1354 | } |
e126ba97 | 1355 | |
c4550c63 | 1356 | /* props being zeroed by the caller, avoid zeroing it here */ |
e126ba97 | 1357 | |
3b43399b MZ |
1358 | if (ibdev->type == RDMA_DEVICE_TYPE_SMI) { |
1359 | plane_index = port; | |
026a4259 | 1360 | port = smi_to_native_portnum(dev, port); |
3b43399b | 1361 | } |
026a4259 | 1362 | |
1b5daf11 | 1363 | err = mlx5_query_hca_vport_context(mdev, 0, port, 0, rep); |
e126ba97 EC |
1364 | if (err) |
1365 | goto out; | |
1366 | ||
1b5daf11 MD |
1367 | props->lid = rep->lid; |
1368 | props->lmc = rep->lmc; | |
1369 | props->sm_lid = rep->sm_lid; | |
1370 | props->sm_sl = rep->sm_sl; | |
1371 | props->state = rep->vport_state; | |
1372 | props->phys_state = rep->port_physical_state; | |
2a5db20f MZ |
1373 | |
1374 | props->port_cap_flags = rep->cap_mask1; | |
1375 | if (dev->num_plane) { | |
1376 | props->port_cap_flags |= IB_PORT_SM_DISABLED; | |
1377 | props->port_cap_flags &= ~IB_PORT_SM; | |
026a4259 MZ |
1378 | } else if (ibdev->type == RDMA_DEVICE_TYPE_SMI) |
1379 | props->port_cap_flags &= ~IB_PORT_CM_SUP; | |
2a5db20f | 1380 | |
1b5daf11 MD |
1381 | props->gid_tbl_len = mlx5_get_gid_table_len(MLX5_CAP_GEN(mdev, gid_table_size)); |
1382 | props->max_msg_sz = 1 << MLX5_CAP_GEN(mdev, log_max_msg); | |
1383 | props->pkey_tbl_len = mlx5_to_sw_pkey_sz(MLX5_CAP_GEN(mdev, pkey_table_size)); | |
1384 | props->bad_pkey_cntr = rep->pkey_violation_counter; | |
1385 | props->qkey_viol_cntr = rep->qkey_violation_counter; | |
1386 | props->subnet_timeout = rep->subnet_timeout; | |
1387 | props->init_type_reply = rep->init_type_reply; | |
e126ba97 | 1388 | |
4106a758 MG |
1389 | if (props->port_cap_flags & IB_PORT_CAP_MASK2_SUP) |
1390 | props->port_cap_flags2 = rep->cap_mask2; | |
1391 | ||
639bf441 | 1392 | err = mlx5_query_ib_port_oper(mdev, &ib_link_width_oper, |
3b43399b | 1393 | &props->active_speed, port, plane_index); |
1b5daf11 | 1394 | if (err) |
e126ba97 | 1395 | goto out; |
e126ba97 | 1396 | |
db7a691a MG |
1397 | translate_active_width(ibdev, ib_link_width_oper, &props->active_width); |
1398 | ||
facc9699 | 1399 | mlx5_query_port_max_mtu(mdev, &max_mtu, port); |
e126ba97 | 1400 | |
1b5daf11 | 1401 | props->max_mtu = mlx5_mtu_to_ib_mtu(max_mtu); |
e126ba97 | 1402 | |
facc9699 | 1403 | mlx5_query_port_oper_mtu(mdev, &oper_mtu, port); |
e126ba97 | 1404 | |
1b5daf11 | 1405 | props->active_mtu = mlx5_mtu_to_ib_mtu(oper_mtu); |
e126ba97 | 1406 | |
1b5daf11 MD |
1407 | err = mlx5_query_port_vl_hw_cap(mdev, &vl_hw_cap, port); |
1408 | if (err) | |
1409 | goto out; | |
e126ba97 | 1410 | |
1b5daf11 MD |
1411 | err = translate_max_vl_num(ibdev, vl_hw_cap, |
1412 | &props->max_vl_num); | |
e126ba97 | 1413 | out: |
1b5daf11 | 1414 | kfree(rep); |
e126ba97 EC |
1415 | return err; |
1416 | } | |
1417 | ||
1fb7f897 | 1418 | int mlx5_ib_query_port(struct ib_device *ibdev, u32 port, |
1b5daf11 | 1419 | struct ib_port_attr *props) |
e126ba97 | 1420 | { |
095b0927 IT |
1421 | unsigned int count; |
1422 | int ret; | |
1423 | ||
1b5daf11 MD |
1424 | switch (mlx5_get_vport_access_method(ibdev)) { |
1425 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
095b0927 IT |
1426 | ret = mlx5_query_mad_ifc_port(ibdev, port, props); |
1427 | break; | |
e126ba97 | 1428 | |
1b5daf11 | 1429 | case MLX5_VPORT_ACCESS_METHOD_HCA: |
095b0927 IT |
1430 | ret = mlx5_query_hca_port(ibdev, port, props); |
1431 | break; | |
e126ba97 | 1432 | |
3f89a643 | 1433 | case MLX5_VPORT_ACCESS_METHOD_NIC: |
095b0927 IT |
1434 | ret = mlx5_query_port_roce(ibdev, port, props); |
1435 | break; | |
3f89a643 | 1436 | |
1b5daf11 | 1437 | default: |
095b0927 IT |
1438 | ret = -EINVAL; |
1439 | } | |
1440 | ||
1441 | if (!ret && props) { | |
b3cbd6f0 DJ |
1442 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
1443 | struct mlx5_core_dev *mdev; | |
1444 | bool put_mdev = true; | |
1445 | ||
1446 | mdev = mlx5_ib_get_native_port_mdev(dev, port, NULL); | |
1447 | if (!mdev) { | |
1448 | /* If the port isn't affiliated yet query the master. | |
1449 | * The master and slave will have the same values. | |
1450 | */ | |
1451 | mdev = dev->mdev; | |
1452 | port = 1; | |
1453 | put_mdev = false; | |
1454 | } | |
1455 | count = mlx5_core_reserved_gids_count(mdev); | |
1456 | if (put_mdev) | |
1457 | mlx5_ib_put_native_port_mdev(dev, port); | |
095b0927 | 1458 | props->gid_tbl_len -= count; |
1b5daf11 | 1459 | } |
095b0927 | 1460 | return ret; |
1b5daf11 | 1461 | } |
e126ba97 | 1462 | |
1fb7f897 | 1463 | static int mlx5_ib_rep_query_port(struct ib_device *ibdev, u32 port, |
8e6efa3a MB |
1464 | struct ib_port_attr *props) |
1465 | { | |
7a58779e | 1466 | return mlx5_query_port_roce(ibdev, port, props); |
8e6efa3a MB |
1467 | } |
1468 | ||
1fb7f897 | 1469 | static int mlx5_ib_rep_query_pkey(struct ib_device *ibdev, u32 port, u16 index, |
d6fd59e1 PP |
1470 | u16 *pkey) |
1471 | { | |
1472 | /* Default special Pkey for representor device port as per the | |
1473 | * IB specification 1.3 section 10.9.1.2. | |
1474 | */ | |
1475 | *pkey = 0xffff; | |
1476 | return 0; | |
1477 | } | |
1478 | ||
1fb7f897 | 1479 | static int mlx5_ib_query_gid(struct ib_device *ibdev, u32 port, int index, |
1b5daf11 MD |
1480 | union ib_gid *gid) |
1481 | { | |
1482 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
1483 | struct mlx5_core_dev *mdev = dev->mdev; | |
e126ba97 | 1484 | |
1b5daf11 MD |
1485 | switch (mlx5_get_vport_access_method(ibdev)) { |
1486 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
1487 | return mlx5_query_mad_ifc_gids(ibdev, port, index, gid); | |
e126ba97 | 1488 | |
1b5daf11 MD |
1489 | case MLX5_VPORT_ACCESS_METHOD_HCA: |
1490 | return mlx5_query_hca_vport_gid(mdev, 0, port, 0, index, gid); | |
1491 | ||
1492 | default: | |
1493 | return -EINVAL; | |
1494 | } | |
e126ba97 | 1495 | |
e126ba97 EC |
1496 | } |
1497 | ||
1fb7f897 | 1498 | static int mlx5_query_hca_nic_pkey(struct ib_device *ibdev, u32 port, |
b3cbd6f0 | 1499 | u16 index, u16 *pkey) |
1b5daf11 MD |
1500 | { |
1501 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
b3cbd6f0 DJ |
1502 | struct mlx5_core_dev *mdev; |
1503 | bool put_mdev = true; | |
1fb7f897 | 1504 | u32 mdev_port_num; |
b3cbd6f0 | 1505 | int err; |
1b5daf11 | 1506 | |
b3cbd6f0 DJ |
1507 | mdev = mlx5_ib_get_native_port_mdev(dev, port, &mdev_port_num); |
1508 | if (!mdev) { | |
1509 | /* The port isn't affiliated yet, get the PKey from the master | |
1510 | * port. For RoCE the PKey tables will be the same. | |
1511 | */ | |
1512 | put_mdev = false; | |
1513 | mdev = dev->mdev; | |
1514 | mdev_port_num = 1; | |
1515 | } | |
1516 | ||
1517 | err = mlx5_query_hca_vport_pkey(mdev, 0, mdev_port_num, 0, | |
1518 | index, pkey); | |
1519 | if (put_mdev) | |
1520 | mlx5_ib_put_native_port_mdev(dev, port); | |
1521 | ||
1522 | return err; | |
1523 | } | |
1524 | ||
1fb7f897 | 1525 | static int mlx5_ib_query_pkey(struct ib_device *ibdev, u32 port, u16 index, |
b3cbd6f0 DJ |
1526 | u16 *pkey) |
1527 | { | |
1b5daf11 MD |
1528 | switch (mlx5_get_vport_access_method(ibdev)) { |
1529 | case MLX5_VPORT_ACCESS_METHOD_MAD: | |
1530 | return mlx5_query_mad_ifc_pkey(ibdev, port, index, pkey); | |
1531 | ||
1532 | case MLX5_VPORT_ACCESS_METHOD_HCA: | |
1533 | case MLX5_VPORT_ACCESS_METHOD_NIC: | |
b3cbd6f0 | 1534 | return mlx5_query_hca_nic_pkey(ibdev, port, index, pkey); |
1b5daf11 MD |
1535 | default: |
1536 | return -EINVAL; | |
1537 | } | |
1538 | } | |
e126ba97 EC |
1539 | |
1540 | static int mlx5_ib_modify_device(struct ib_device *ibdev, int mask, | |
1541 | struct ib_device_modify *props) | |
1542 | { | |
1543 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
1544 | struct mlx5_reg_node_desc in; | |
1545 | struct mlx5_reg_node_desc out; | |
1546 | int err; | |
1547 | ||
1548 | if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) | |
1549 | return -EOPNOTSUPP; | |
1550 | ||
1551 | if (!(mask & IB_DEVICE_MODIFY_NODE_DESC)) | |
1552 | return 0; | |
1553 | ||
1554 | /* | |
1555 | * If possible, pass node desc to FW, so it can generate | |
1556 | * a 144 trap. If cmd fails, just ignore. | |
1557 | */ | |
bd99fdea | 1558 | memcpy(&in, props->node_desc, IB_DEVICE_NODE_DESC_MAX); |
9603b61d | 1559 | err = mlx5_core_access_reg(dev->mdev, &in, sizeof(in), &out, |
e126ba97 EC |
1560 | sizeof(out), MLX5_REG_NODE_DESC, 0, 1); |
1561 | if (err) | |
1562 | return err; | |
1563 | ||
bd99fdea | 1564 | memcpy(ibdev->node_desc, props->node_desc, IB_DEVICE_NODE_DESC_MAX); |
e126ba97 EC |
1565 | |
1566 | return err; | |
1567 | } | |
1568 | ||
1fb7f897 | 1569 | static int set_port_caps_atomic(struct mlx5_ib_dev *dev, u32 port_num, u32 mask, |
cdbe33d0 EC |
1570 | u32 value) |
1571 | { | |
1572 | struct mlx5_hca_vport_context ctx = {}; | |
b3cbd6f0 | 1573 | struct mlx5_core_dev *mdev; |
1fb7f897 | 1574 | u32 mdev_port_num; |
cdbe33d0 EC |
1575 | int err; |
1576 | ||
b3cbd6f0 DJ |
1577 | mdev = mlx5_ib_get_native_port_mdev(dev, port_num, &mdev_port_num); |
1578 | if (!mdev) | |
1579 | return -ENODEV; | |
1580 | ||
1581 | err = mlx5_query_hca_vport_context(mdev, 0, mdev_port_num, 0, &ctx); | |
cdbe33d0 | 1582 | if (err) |
b3cbd6f0 | 1583 | goto out; |
cdbe33d0 EC |
1584 | |
1585 | if (~ctx.cap_mask1_perm & mask) { | |
1586 | mlx5_ib_warn(dev, "trying to change bitmask 0x%X but change supported 0x%X\n", | |
1587 | mask, ctx.cap_mask1_perm); | |
b3cbd6f0 DJ |
1588 | err = -EINVAL; |
1589 | goto out; | |
cdbe33d0 EC |
1590 | } |
1591 | ||
1592 | ctx.cap_mask1 = value; | |
1593 | ctx.cap_mask1_perm = mask; | |
b3cbd6f0 DJ |
1594 | err = mlx5_core_modify_hca_vport_context(mdev, 0, mdev_port_num, |
1595 | 0, &ctx); | |
1596 | ||
1597 | out: | |
1598 | mlx5_ib_put_native_port_mdev(dev, port_num); | |
cdbe33d0 EC |
1599 | |
1600 | return err; | |
1601 | } | |
1602 | ||
1fb7f897 | 1603 | static int mlx5_ib_modify_port(struct ib_device *ibdev, u32 port, int mask, |
e126ba97 EC |
1604 | struct ib_port_modify *props) |
1605 | { | |
1606 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
1607 | struct ib_port_attr attr; | |
1608 | u32 tmp; | |
1609 | int err; | |
cdbe33d0 EC |
1610 | u32 change_mask; |
1611 | u32 value; | |
1612 | bool is_ib = (mlx5_ib_port_link_layer(ibdev, port) == | |
1613 | IB_LINK_LAYER_INFINIBAND); | |
1614 | ||
ec255879 MD |
1615 | /* CM layer calls ib_modify_port() regardless of the link layer. For |
1616 | * Ethernet ports, qkey violation and Port capabilities are meaningless. | |
1617 | */ | |
1618 | if (!is_ib) | |
1619 | return 0; | |
1620 | ||
cdbe33d0 EC |
1621 | if (MLX5_CAP_GEN(dev->mdev, ib_virt) && is_ib) { |
1622 | change_mask = props->clr_port_cap_mask | props->set_port_cap_mask; | |
1623 | value = ~props->clr_port_cap_mask | props->set_port_cap_mask; | |
1624 | return set_port_caps_atomic(dev, port, change_mask, value); | |
1625 | } | |
e126ba97 EC |
1626 | |
1627 | mutex_lock(&dev->cap_mask_mutex); | |
1628 | ||
c4550c63 | 1629 | err = ib_query_port(ibdev, port, &attr); |
e126ba97 EC |
1630 | if (err) |
1631 | goto out; | |
1632 | ||
1633 | tmp = (attr.port_cap_flags | props->set_port_cap_mask) & | |
1634 | ~props->clr_port_cap_mask; | |
1635 | ||
9603b61d | 1636 | err = mlx5_set_port_caps(dev->mdev, port, tmp); |
e126ba97 EC |
1637 | |
1638 | out: | |
1639 | mutex_unlock(&dev->cap_mask_mutex); | |
1640 | return err; | |
1641 | } | |
1642 | ||
30aa60b3 EC |
1643 | static void print_lib_caps(struct mlx5_ib_dev *dev, u64 caps) |
1644 | { | |
1645 | mlx5_ib_dbg(dev, "MLX5_LIB_CAP_4K_UAR = %s\n", | |
1646 | caps & MLX5_LIB_CAP_4K_UAR ? "y" : "n"); | |
1647 | } | |
1648 | ||
31a78a5a YH |
1649 | static u16 calc_dynamic_bfregs(int uars_per_sys_page) |
1650 | { | |
1651 | /* Large page with non 4k uar support might limit the dynamic size */ | |
1652 | if (uars_per_sys_page == 1 && PAGE_SIZE > 4096) | |
1653 | return MLX5_MIN_DYN_BFREGS; | |
1654 | ||
1655 | return MLX5_MAX_DYN_BFREGS; | |
1656 | } | |
1657 | ||
b037c29a EC |
1658 | static int calc_total_bfregs(struct mlx5_ib_dev *dev, bool lib_uar_4k, |
1659 | struct mlx5_ib_alloc_ucontext_req_v2 *req, | |
31a78a5a | 1660 | struct mlx5_bfreg_info *bfregi) |
b037c29a EC |
1661 | { |
1662 | int uars_per_sys_page; | |
1663 | int bfregs_per_sys_page; | |
1664 | int ref_bfregs = req->total_num_bfregs; | |
1665 | ||
1666 | if (req->total_num_bfregs == 0) | |
1667 | return -EINVAL; | |
1668 | ||
1669 | BUILD_BUG_ON(MLX5_MAX_BFREGS % MLX5_NON_FP_BFREGS_IN_PAGE); | |
1670 | BUILD_BUG_ON(MLX5_MAX_BFREGS < MLX5_NON_FP_BFREGS_IN_PAGE); | |
1671 | ||
1672 | if (req->total_num_bfregs > MLX5_MAX_BFREGS) | |
1673 | return -ENOMEM; | |
1674 | ||
1675 | uars_per_sys_page = get_uars_per_sys_page(dev, lib_uar_4k); | |
1676 | bfregs_per_sys_page = uars_per_sys_page * MLX5_NON_FP_BFREGS_PER_UAR; | |
31a78a5a | 1677 | /* This holds the required static allocation asked by the user */ |
b037c29a | 1678 | req->total_num_bfregs = ALIGN(req->total_num_bfregs, bfregs_per_sys_page); |
b037c29a EC |
1679 | if (req->num_low_latency_bfregs > req->total_num_bfregs - 1) |
1680 | return -EINVAL; | |
1681 | ||
31a78a5a YH |
1682 | bfregi->num_static_sys_pages = req->total_num_bfregs / bfregs_per_sys_page; |
1683 | bfregi->num_dyn_bfregs = ALIGN(calc_dynamic_bfregs(uars_per_sys_page), bfregs_per_sys_page); | |
1684 | bfregi->total_num_bfregs = req->total_num_bfregs + bfregi->num_dyn_bfregs; | |
1685 | bfregi->num_sys_pages = bfregi->total_num_bfregs / bfregs_per_sys_page; | |
1686 | ||
1687 | 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 |
1688 | MLX5_CAP_GEN(dev->mdev, uar_4k) ? "yes" : "no", |
1689 | lib_uar_4k ? "yes" : "no", ref_bfregs, | |
31a78a5a YH |
1690 | req->total_num_bfregs, bfregi->total_num_bfregs, |
1691 | bfregi->num_sys_pages); | |
b037c29a EC |
1692 | |
1693 | return 0; | |
1694 | } | |
1695 | ||
1696 | static int allocate_uars(struct mlx5_ib_dev *dev, struct mlx5_ib_ucontext *context) | |
1697 | { | |
1698 | struct mlx5_bfreg_info *bfregi; | |
1699 | int err; | |
1700 | int i; | |
1701 | ||
1702 | bfregi = &context->bfregi; | |
31a78a5a | 1703 | for (i = 0; i < bfregi->num_static_sys_pages; i++) { |
d2c8a155 ML |
1704 | err = mlx5_cmd_uar_alloc(dev->mdev, &bfregi->sys_pages[i], |
1705 | context->devx_uid); | |
b037c29a EC |
1706 | if (err) |
1707 | goto error; | |
1708 | ||
1709 | mlx5_ib_dbg(dev, "allocated uar %d\n", bfregi->sys_pages[i]); | |
1710 | } | |
4ed131d0 YH |
1711 | |
1712 | for (i = bfregi->num_static_sys_pages; i < bfregi->num_sys_pages; i++) | |
1713 | bfregi->sys_pages[i] = MLX5_IB_INVALID_UAR_INDEX; | |
1714 | ||
b037c29a EC |
1715 | return 0; |
1716 | ||
1717 | error: | |
1718 | for (--i; i >= 0; i--) | |
d2c8a155 ML |
1719 | if (mlx5_cmd_uar_dealloc(dev->mdev, bfregi->sys_pages[i], |
1720 | context->devx_uid)) | |
b037c29a EC |
1721 | mlx5_ib_warn(dev, "failed to free uar %d\n", i); |
1722 | ||
1723 | return err; | |
1724 | } | |
1725 | ||
15177999 LR |
1726 | static void deallocate_uars(struct mlx5_ib_dev *dev, |
1727 | struct mlx5_ib_ucontext *context) | |
b037c29a EC |
1728 | { |
1729 | struct mlx5_bfreg_info *bfregi; | |
b037c29a EC |
1730 | int i; |
1731 | ||
1732 | bfregi = &context->bfregi; | |
15177999 | 1733 | for (i = 0; i < bfregi->num_sys_pages; i++) |
4ed131d0 | 1734 | if (i < bfregi->num_static_sys_pages || |
15177999 | 1735 | bfregi->sys_pages[i] != MLX5_IB_INVALID_UAR_INDEX) |
d2c8a155 ML |
1736 | mlx5_cmd_uar_dealloc(dev->mdev, bfregi->sys_pages[i], |
1737 | context->devx_uid); | |
b037c29a EC |
1738 | } |
1739 | ||
0042f9e4 | 1740 | int mlx5_ib_enable_lb(struct mlx5_ib_dev *dev, bool td, bool qp) |
a560f1d9 MB |
1741 | { |
1742 | int err = 0; | |
1743 | ||
1744 | mutex_lock(&dev->lb.mutex); | |
0042f9e4 MB |
1745 | if (td) |
1746 | dev->lb.user_td++; | |
1747 | if (qp) | |
1748 | dev->lb.qps++; | |
1749 | ||
1750 | if (dev->lb.user_td == 2 || | |
1751 | dev->lb.qps == 1) { | |
1752 | if (!dev->lb.enabled) { | |
1753 | err = mlx5_nic_vport_update_local_lb(dev->mdev, true); | |
1754 | dev->lb.enabled = true; | |
1755 | } | |
1756 | } | |
a560f1d9 MB |
1757 | |
1758 | mutex_unlock(&dev->lb.mutex); | |
1759 | ||
1760 | return err; | |
1761 | } | |
1762 | ||
0042f9e4 | 1763 | void mlx5_ib_disable_lb(struct mlx5_ib_dev *dev, bool td, bool qp) |
a560f1d9 MB |
1764 | { |
1765 | mutex_lock(&dev->lb.mutex); | |
0042f9e4 MB |
1766 | if (td) |
1767 | dev->lb.user_td--; | |
1768 | if (qp) | |
1769 | dev->lb.qps--; | |
1770 | ||
1771 | if (dev->lb.user_td == 1 && | |
1772 | dev->lb.qps == 0) { | |
1773 | if (dev->lb.enabled) { | |
1774 | mlx5_nic_vport_update_local_lb(dev->mdev, false); | |
1775 | dev->lb.enabled = false; | |
1776 | } | |
1777 | } | |
a560f1d9 MB |
1778 | |
1779 | mutex_unlock(&dev->lb.mutex); | |
1780 | } | |
1781 | ||
d2d19121 YH |
1782 | static int mlx5_ib_alloc_transport_domain(struct mlx5_ib_dev *dev, u32 *tdn, |
1783 | u16 uid) | |
c85023e1 HN |
1784 | { |
1785 | int err; | |
1786 | ||
cfdeb893 LR |
1787 | if (!MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) |
1788 | return 0; | |
1789 | ||
d2d19121 | 1790 | err = mlx5_cmd_alloc_transport_domain(dev->mdev, tdn, uid); |
c85023e1 HN |
1791 | if (err) |
1792 | return err; | |
1793 | ||
1794 | if ((MLX5_CAP_GEN(dev->mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) || | |
8978cc92 EBE |
1795 | (!MLX5_CAP_GEN(dev->mdev, disable_local_lb_uc) && |
1796 | !MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc))) | |
c85023e1 HN |
1797 | return err; |
1798 | ||
0042f9e4 | 1799 | return mlx5_ib_enable_lb(dev, true, false); |
c85023e1 HN |
1800 | } |
1801 | ||
d2d19121 YH |
1802 | static void mlx5_ib_dealloc_transport_domain(struct mlx5_ib_dev *dev, u32 tdn, |
1803 | u16 uid) | |
c85023e1 | 1804 | { |
cfdeb893 LR |
1805 | if (!MLX5_CAP_GEN(dev->mdev, log_max_transport_domain)) |
1806 | return; | |
1807 | ||
d2d19121 | 1808 | mlx5_cmd_dealloc_transport_domain(dev->mdev, tdn, uid); |
c85023e1 HN |
1809 | |
1810 | if ((MLX5_CAP_GEN(dev->mdev, port_type) != MLX5_CAP_PORT_TYPE_ETH) || | |
8978cc92 EBE |
1811 | (!MLX5_CAP_GEN(dev->mdev, disable_local_lb_uc) && |
1812 | !MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc))) | |
c85023e1 HN |
1813 | return; |
1814 | ||
0042f9e4 | 1815 | mlx5_ib_disable_lb(dev, true, false); |
c85023e1 HN |
1816 | } |
1817 | ||
45ec21c9 YH |
1818 | static int set_ucontext_resp(struct ib_ucontext *uctx, |
1819 | struct mlx5_ib_alloc_ucontext_resp *resp) | |
1820 | { | |
1821 | struct ib_device *ibdev = uctx->device; | |
1822 | struct mlx5_ib_dev *dev = to_mdev(ibdev); | |
1823 | struct mlx5_ib_ucontext *context = to_mucontext(uctx); | |
1824 | struct mlx5_bfreg_info *bfregi = &context->bfregi; | |
45ec21c9 YH |
1825 | |
1826 | if (MLX5_CAP_GEN(dev->mdev, dump_fill_mkey)) { | |
594cac11 | 1827 | resp->dump_fill_mkey = dev->mkeys.dump_fill_mkey; |
45ec21c9 YH |
1828 | resp->comp_mask |= |
1829 | MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_DUMP_FILL_MKEY; | |
1830 | } | |
1831 | ||
1832 | resp->qp_tab_size = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp); | |
d98995b4 | 1833 | if (mlx5_wc_support_get(dev->mdev)) |
45ec21c9 YH |
1834 | resp->bf_reg_size = 1 << MLX5_CAP_GEN(dev->mdev, |
1835 | log_bf_reg_size); | |
1836 | resp->cache_line_size = cache_line_size(); | |
1837 | resp->max_sq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_sq); | |
1838 | resp->max_rq_desc_sz = MLX5_CAP_GEN(dev->mdev, max_wqe_sz_rq); | |
1839 | resp->max_send_wqebb = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz); | |
1840 | resp->max_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_qp_sz); | |
1841 | resp->max_srq_recv_wr = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz); | |
1842 | resp->cqe_version = context->cqe_version; | |
1843 | resp->log_uar_size = MLX5_CAP_GEN(dev->mdev, uar_4k) ? | |
1844 | MLX5_ADAPTER_PAGE_SHIFT : PAGE_SHIFT; | |
1845 | resp->num_uars_per_page = MLX5_CAP_GEN(dev->mdev, uar_4k) ? | |
1846 | MLX5_CAP_GEN(dev->mdev, | |
1847 | num_of_uars_per_page) : 1; | |
45ec21c9 YH |
1848 | resp->tot_bfregs = bfregi->lib_uar_dyn ? 0 : |
1849 | bfregi->total_num_bfregs - bfregi->num_dyn_bfregs; | |
1850 | resp->num_ports = dev->num_ports; | |
1851 | resp->cmds_supp_uhw |= MLX5_USER_CMDS_SUPP_UHW_QUERY_DEVICE | | |
1852 | MLX5_USER_CMDS_SUPP_UHW_CREATE_AH; | |
1853 | ||
1854 | if (mlx5_ib_port_link_layer(ibdev, 1) == IB_LINK_LAYER_ETHERNET) { | |
1855 | mlx5_query_min_inline(dev->mdev, &resp->eth_min_inline); | |
1856 | resp->eth_min_inline++; | |
1857 | } | |
1858 | ||
1859 | if (dev->mdev->clock_info) | |
1860 | resp->clock_info_versions = BIT(MLX5_IB_CLOCK_INFO_V1); | |
1861 | ||
1862 | /* | |
1863 | * We don't want to expose information from the PCI bar that is located | |
1864 | * after 4096 bytes, so if the arch only supports larger pages, let's | |
1865 | * pretend we don't support reading the HCA's core clock. This is also | |
1866 | * forced by mmap function. | |
1867 | */ | |
1868 | if (PAGE_SIZE <= 4096) { | |
1869 | resp->comp_mask |= | |
1870 | MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_CORE_CLOCK_OFFSET; | |
1871 | resp->hca_core_clock_offset = | |
1872 | offsetof(struct mlx5_init_seg, | |
1873 | internal_timer_h) % PAGE_SIZE; | |
1874 | } | |
1875 | ||
1876 | if (MLX5_CAP_GEN(dev->mdev, ece_support)) | |
1877 | resp->comp_mask |= MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_ECE; | |
1878 | ||
33652951 AL |
1879 | if (rt_supported(MLX5_CAP_GEN(dev->mdev, sq_ts_format)) && |
1880 | rt_supported(MLX5_CAP_GEN(dev->mdev, rq_ts_format)) && | |
1881 | rt_supported(MLX5_CAP_ROCE(dev->mdev, qp_ts_format))) | |
1882 | resp->comp_mask |= | |
1883 | MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_REAL_TIME_TS; | |
1884 | ||
45ec21c9 | 1885 | resp->num_dyn_bfregs = bfregi->num_dyn_bfregs; |
c906b86e SG |
1886 | |
1887 | if (MLX5_CAP_GEN(dev->mdev, drain_sigerr)) | |
1888 | resp->comp_mask |= MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_SQD2RTS; | |
1889 | ||
13ad1125 AL |
1890 | resp->comp_mask |= |
1891 | MLX5_IB_ALLOC_UCONTEXT_RESP_MASK_MKEY_UPDATE_TAG; | |
1892 | ||
45ec21c9 YH |
1893 | return 0; |
1894 | } | |
1895 | ||
a2a074ef LR |
1896 | static int mlx5_ib_alloc_ucontext(struct ib_ucontext *uctx, |
1897 | struct ib_udata *udata) | |
e126ba97 | 1898 | { |
a2a074ef | 1899 | struct ib_device *ibdev = uctx->device; |
e126ba97 | 1900 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
b368d7cb MB |
1901 | struct mlx5_ib_alloc_ucontext_req_v2 req = {}; |
1902 | struct mlx5_ib_alloc_ucontext_resp resp = {}; | |
a2a074ef | 1903 | struct mlx5_ib_ucontext *context = to_mucontext(uctx); |
2f5ff264 | 1904 | struct mlx5_bfreg_info *bfregi; |
78c0f98c | 1905 | int ver; |
e126ba97 | 1906 | int err; |
a168a41c MD |
1907 | size_t min_req_v2 = offsetof(struct mlx5_ib_alloc_ucontext_req_v2, |
1908 | max_cqe_version); | |
b037c29a | 1909 | bool lib_uar_4k; |
0a2fd01c | 1910 | bool lib_uar_dyn; |
e126ba97 EC |
1911 | |
1912 | if (!dev->ib_active) | |
a2a074ef | 1913 | return -EAGAIN; |
e126ba97 | 1914 | |
e093111d | 1915 | if (udata->inlen == sizeof(struct mlx5_ib_alloc_ucontext_req)) |
78c0f98c | 1916 | ver = 0; |
e093111d | 1917 | else if (udata->inlen >= min_req_v2) |
78c0f98c EC |
1918 | ver = 2; |
1919 | else | |
a2a074ef | 1920 | return -EINVAL; |
78c0f98c | 1921 | |
e093111d | 1922 | err = ib_copy_from_udata(&req, udata, min(udata->inlen, sizeof(req))); |
e126ba97 | 1923 | if (err) |
a2a074ef | 1924 | return err; |
e126ba97 | 1925 | |
a8b92ca1 | 1926 | if (req.flags & ~MLX5_IB_ALLOC_UCTX_DEVX) |
a2a074ef | 1927 | return -EOPNOTSUPP; |
78c0f98c | 1928 | |
f72300c5 | 1929 | if (req.comp_mask || req.reserved0 || req.reserved1 || req.reserved2) |
a2a074ef | 1930 | return -EOPNOTSUPP; |
b368d7cb | 1931 | |
2f5ff264 EC |
1932 | req.total_num_bfregs = ALIGN(req.total_num_bfregs, |
1933 | MLX5_NON_FP_BFREGS_PER_UAR); | |
1934 | if (req.num_low_latency_bfregs > req.total_num_bfregs - 1) | |
a2a074ef | 1935 | return -EINVAL; |
e126ba97 | 1936 | |
d2c8a155 ML |
1937 | if (req.flags & MLX5_IB_ALLOC_UCTX_DEVX) { |
1938 | err = mlx5_ib_devx_create(dev, true); | |
1939 | if (err < 0) | |
1940 | goto out_ctx; | |
1941 | context->devx_uid = err; | |
1942 | } | |
1943 | ||
30aa60b3 | 1944 | lib_uar_4k = req.lib_caps & MLX5_LIB_CAP_4K_UAR; |
0a2fd01c | 1945 | lib_uar_dyn = req.lib_caps & MLX5_LIB_CAP_DYN_UAR; |
2f5ff264 | 1946 | bfregi = &context->bfregi; |
b037c29a | 1947 | |
0a2fd01c YH |
1948 | if (lib_uar_dyn) { |
1949 | bfregi->lib_uar_dyn = lib_uar_dyn; | |
1950 | goto uar_done; | |
1951 | } | |
1952 | ||
b037c29a | 1953 | /* updates req->total_num_bfregs */ |
31a78a5a | 1954 | err = calc_total_bfregs(dev, lib_uar_4k, &req, bfregi); |
b037c29a | 1955 | if (err) |
d2c8a155 | 1956 | goto out_devx; |
e126ba97 | 1957 | |
b037c29a EC |
1958 | mutex_init(&bfregi->lock); |
1959 | bfregi->lib_uar_4k = lib_uar_4k; | |
31a78a5a | 1960 | bfregi->count = kcalloc(bfregi->total_num_bfregs, sizeof(*bfregi->count), |
e126ba97 | 1961 | GFP_KERNEL); |
b037c29a | 1962 | if (!bfregi->count) { |
e126ba97 | 1963 | err = -ENOMEM; |
d2c8a155 | 1964 | goto out_devx; |
e126ba97 EC |
1965 | } |
1966 | ||
b037c29a EC |
1967 | bfregi->sys_pages = kcalloc(bfregi->num_sys_pages, |
1968 | sizeof(*bfregi->sys_pages), | |
1969 | GFP_KERNEL); | |
1970 | if (!bfregi->sys_pages) { | |
e126ba97 | 1971 | err = -ENOMEM; |
b037c29a | 1972 | goto out_count; |
e126ba97 EC |
1973 | } |
1974 | ||
b037c29a EC |
1975 | err = allocate_uars(dev, context); |
1976 | if (err) | |
1977 | goto out_sys_pages; | |
e126ba97 | 1978 | |
0a2fd01c | 1979 | uar_done: |
d2d19121 YH |
1980 | err = mlx5_ib_alloc_transport_domain(dev, &context->tdn, |
1981 | context->devx_uid); | |
1982 | if (err) | |
d2c8a155 | 1983 | goto out_uars; |
d2d19121 | 1984 | |
e126ba97 EC |
1985 | INIT_LIST_HEAD(&context->db_page_list); |
1986 | mutex_init(&context->db_page_mutex); | |
1987 | ||
45ec21c9 YH |
1988 | context->cqe_version = min_t(__u8, |
1989 | (__u8)MLX5_CAP_GEN(dev->mdev, cqe_version), | |
1990 | req.max_cqe_version); | |
25bb36e7 | 1991 | |
45ec21c9 YH |
1992 | err = set_ucontext_resp(uctx, &resp); |
1993 | if (err) | |
1994 | goto out_mdev; | |
5f62a521 | 1995 | |
45ec21c9 | 1996 | resp.response_length = min(udata->outlen, sizeof(resp)); |
b368d7cb | 1997 | err = ib_copy_to_udata(udata, &resp, resp.response_length); |
e126ba97 | 1998 | if (err) |
a8b92ca1 | 1999 | goto out_mdev; |
e126ba97 | 2000 | |
2f5ff264 EC |
2001 | bfregi->ver = ver; |
2002 | bfregi->num_low_latency_bfregs = req.num_low_latency_bfregs; | |
30aa60b3 EC |
2003 | context->lib_caps = req.lib_caps; |
2004 | print_lib_caps(dev, context->lib_caps); | |
f72300c5 | 2005 | |
802dcc7f | 2006 | if (mlx5_ib_lag_should_assign_affinity(dev)) { |
1fb7f897 | 2007 | u32 port = mlx5_core_native_port_num(dev->mdev) - 1; |
c6a21c38 MD |
2008 | |
2009 | atomic_set(&context->tx_port_affinity, | |
2010 | atomic_add_return( | |
95579e78 | 2011 | 1, &dev->port[port].roce.tx_port_affinity)); |
c6a21c38 MD |
2012 | } |
2013 | ||
a2a074ef | 2014 | return 0; |
e126ba97 | 2015 | |
a8b92ca1 | 2016 | out_mdev: |
d2d19121 | 2017 | mlx5_ib_dealloc_transport_domain(dev, context->tdn, context->devx_uid); |
146d2f1a | 2018 | |
e126ba97 | 2019 | out_uars: |
b037c29a | 2020 | deallocate_uars(dev, context); |
e126ba97 | 2021 | |
b037c29a EC |
2022 | out_sys_pages: |
2023 | kfree(bfregi->sys_pages); | |
e126ba97 | 2024 | |
b037c29a EC |
2025 | out_count: |
2026 | kfree(bfregi->count); | |
e126ba97 | 2027 | |
d2c8a155 ML |
2028 | out_devx: |
2029 | if (req.flags & MLX5_IB_ALLOC_UCTX_DEVX) | |
2030 | mlx5_ib_devx_destroy(dev, context->devx_uid); | |
2031 | ||
e126ba97 | 2032 | out_ctx: |
a2a074ef | 2033 | return err; |
e126ba97 EC |
2034 | } |
2035 | ||
0fb556b2 YH |
2036 | static int mlx5_ib_query_ucontext(struct ib_ucontext *ibcontext, |
2037 | struct uverbs_attr_bundle *attrs) | |
2038 | { | |
2039 | struct mlx5_ib_alloc_ucontext_resp uctx_resp = {}; | |
2040 | int ret; | |
2041 | ||
2042 | ret = set_ucontext_resp(ibcontext, &uctx_resp); | |
2043 | if (ret) | |
2044 | return ret; | |
2045 | ||
2046 | uctx_resp.response_length = | |
2047 | min_t(size_t, | |
2048 | uverbs_attr_get_len(attrs, | |
2049 | MLX5_IB_ATTR_QUERY_CONTEXT_RESP_UCTX), | |
2050 | sizeof(uctx_resp)); | |
2051 | ||
2052 | ret = uverbs_copy_to_struct_or_zero(attrs, | |
2053 | MLX5_IB_ATTR_QUERY_CONTEXT_RESP_UCTX, | |
2054 | &uctx_resp, | |
2055 | sizeof(uctx_resp)); | |
2056 | return ret; | |
2057 | } | |
2058 | ||
a2a074ef | 2059 | static void mlx5_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) |
e126ba97 EC |
2060 | { |
2061 | struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); | |
2062 | struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); | |
b037c29a | 2063 | struct mlx5_bfreg_info *bfregi; |
e126ba97 | 2064 | |
b037c29a | 2065 | bfregi = &context->bfregi; |
d2d19121 YH |
2066 | mlx5_ib_dealloc_transport_domain(dev, context->tdn, context->devx_uid); |
2067 | ||
b037c29a EC |
2068 | deallocate_uars(dev, context); |
2069 | kfree(bfregi->sys_pages); | |
2f5ff264 | 2070 | kfree(bfregi->count); |
d2c8a155 ML |
2071 | |
2072 | if (context->devx_uid) | |
2073 | mlx5_ib_devx_destroy(dev, context->devx_uid); | |
e126ba97 EC |
2074 | } |
2075 | ||
b037c29a | 2076 | static phys_addr_t uar_index2pfn(struct mlx5_ib_dev *dev, |
4ed131d0 | 2077 | int uar_idx) |
e126ba97 | 2078 | { |
b037c29a EC |
2079 | int fw_uars_per_page; |
2080 | ||
2081 | fw_uars_per_page = MLX5_CAP_GEN(dev->mdev, uar_4k) ? MLX5_UARS_IN_PAGE : 1; | |
2082 | ||
aa8106f1 | 2083 | return (dev->mdev->bar_addr >> PAGE_SHIFT) + uar_idx / fw_uars_per_page; |
e126ba97 EC |
2084 | } |
2085 | ||
342ee59d YH |
2086 | static u64 uar_index2paddress(struct mlx5_ib_dev *dev, |
2087 | int uar_idx) | |
2088 | { | |
2089 | unsigned int fw_uars_per_page; | |
2090 | ||
2091 | fw_uars_per_page = MLX5_CAP_GEN(dev->mdev, uar_4k) ? | |
2092 | MLX5_UARS_IN_PAGE : 1; | |
2093 | ||
2094 | return (dev->mdev->bar_addr + (uar_idx / fw_uars_per_page) * PAGE_SIZE); | |
2095 | } | |
2096 | ||
e126ba97 EC |
2097 | static int get_command(unsigned long offset) |
2098 | { | |
2099 | return (offset >> MLX5_IB_MMAP_CMD_SHIFT) & MLX5_IB_MMAP_CMD_MASK; | |
2100 | } | |
2101 | ||
2102 | static int get_arg(unsigned long offset) | |
2103 | { | |
2104 | return offset & ((1 << MLX5_IB_MMAP_CMD_SHIFT) - 1); | |
2105 | } | |
2106 | ||
2107 | static int get_index(unsigned long offset) | |
2108 | { | |
2109 | return get_arg(offset); | |
2110 | } | |
2111 | ||
4ed131d0 YH |
2112 | /* Index resides in an extra byte to enable larger values than 255 */ |
2113 | static int get_extended_index(unsigned long offset) | |
2114 | { | |
2115 | return get_arg(offset) | ((offset >> 16) & 0xff) << 8; | |
2116 | } | |
2117 | ||
7c2344c3 MG |
2118 | |
2119 | static void mlx5_ib_disassociate_ucontext(struct ib_ucontext *ibcontext) | |
2120 | { | |
7c2344c3 MG |
2121 | } |
2122 | ||
37aa5c36 GL |
2123 | static inline char *mmap_cmd2str(enum mlx5_ib_mmap_cmd cmd) |
2124 | { | |
2125 | switch (cmd) { | |
2126 | case MLX5_IB_MMAP_WC_PAGE: | |
2127 | return "WC"; | |
2128 | case MLX5_IB_MMAP_REGULAR_PAGE: | |
2129 | return "best effort WC"; | |
2130 | case MLX5_IB_MMAP_NC_PAGE: | |
2131 | return "NC"; | |
24da0016 AL |
2132 | case MLX5_IB_MMAP_DEVICE_MEM: |
2133 | return "Device Memory"; | |
37aa5c36 | 2134 | default: |
dab994bc | 2135 | return "Unknown"; |
37aa5c36 GL |
2136 | } |
2137 | } | |
2138 | ||
5c99eaec FD |
2139 | static int mlx5_ib_mmap_clock_info_page(struct mlx5_ib_dev *dev, |
2140 | struct vm_area_struct *vma, | |
2141 | struct mlx5_ib_ucontext *context) | |
2142 | { | |
4eb6ab13 JG |
2143 | if ((vma->vm_end - vma->vm_start != PAGE_SIZE) || |
2144 | !(vma->vm_flags & VM_SHARED)) | |
5c99eaec FD |
2145 | return -EINVAL; |
2146 | ||
2147 | if (get_index(vma->vm_pgoff) != MLX5_IB_CLOCK_INFO_V1) | |
2148 | return -EOPNOTSUPP; | |
2149 | ||
4eb6ab13 | 2150 | if (vma->vm_flags & (VM_WRITE | VM_EXEC)) |
5c99eaec | 2151 | return -EPERM; |
1c71222e | 2152 | vm_flags_clear(vma, VM_MAYWRITE); |
5c99eaec | 2153 | |
ddcdc368 | 2154 | if (!dev->mdev->clock_info) |
5c99eaec FD |
2155 | return -EOPNOTSUPP; |
2156 | ||
4eb6ab13 JG |
2157 | return vm_insert_page(vma, vma->vm_start, |
2158 | virt_to_page(dev->mdev->clock_info)); | |
5c99eaec FD |
2159 | } |
2160 | ||
dc2316eb YH |
2161 | static void mlx5_ib_mmap_free(struct rdma_user_mmap_entry *entry) |
2162 | { | |
2163 | struct mlx5_user_mmap_entry *mentry = to_mmmap(entry); | |
2164 | struct mlx5_ib_dev *dev = to_mdev(entry->ucontext->device); | |
7be76bef | 2165 | struct mlx5_var_table *var_table = &dev->var_table; |
d2c8a155 | 2166 | struct mlx5_ib_ucontext *context = to_mucontext(entry->ucontext); |
dc2316eb YH |
2167 | |
2168 | switch (mentry->mmap_flag) { | |
2169 | case MLX5_IB_MMAP_TYPE_MEMIC: | |
cea85fa5 MG |
2170 | case MLX5_IB_MMAP_TYPE_MEMIC_OP: |
2171 | mlx5_ib_dm_mmap_free(dev, mentry); | |
dc2316eb | 2172 | break; |
7be76bef YH |
2173 | case MLX5_IB_MMAP_TYPE_VAR: |
2174 | mutex_lock(&var_table->bitmap_lock); | |
2175 | clear_bit(mentry->page_idx, var_table->bitmap); | |
2176 | mutex_unlock(&var_table->bitmap_lock); | |
2177 | kfree(mentry); | |
2178 | break; | |
342ee59d YH |
2179 | case MLX5_IB_MMAP_TYPE_UAR_WC: |
2180 | case MLX5_IB_MMAP_TYPE_UAR_NC: | |
d2c8a155 ML |
2181 | mlx5_cmd_uar_dealloc(dev->mdev, mentry->page_idx, |
2182 | context->devx_uid); | |
342ee59d YH |
2183 | kfree(mentry); |
2184 | break; | |
dc2316eb YH |
2185 | default: |
2186 | WARN_ON(true); | |
2187 | } | |
2188 | } | |
2189 | ||
37aa5c36 | 2190 | static int uar_mmap(struct mlx5_ib_dev *dev, enum mlx5_ib_mmap_cmd cmd, |
7c2344c3 MG |
2191 | struct vm_area_struct *vma, |
2192 | struct mlx5_ib_ucontext *context) | |
37aa5c36 | 2193 | { |
2f5ff264 | 2194 | struct mlx5_bfreg_info *bfregi = &context->bfregi; |
37aa5c36 GL |
2195 | int err; |
2196 | unsigned long idx; | |
aa09ea6e | 2197 | phys_addr_t pfn; |
37aa5c36 | 2198 | pgprot_t prot; |
4ed131d0 YH |
2199 | u32 bfreg_dyn_idx = 0; |
2200 | u32 uar_index; | |
2201 | int dyn_uar = (cmd == MLX5_IB_MMAP_ALLOC_WC); | |
2202 | int max_valid_idx = dyn_uar ? bfregi->num_sys_pages : | |
2203 | bfregi->num_static_sys_pages; | |
b037c29a | 2204 | |
0a2fd01c YH |
2205 | if (bfregi->lib_uar_dyn) |
2206 | return -EINVAL; | |
2207 | ||
b037c29a EC |
2208 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) |
2209 | return -EINVAL; | |
2210 | ||
4ed131d0 YH |
2211 | if (dyn_uar) |
2212 | idx = get_extended_index(vma->vm_pgoff) + bfregi->num_static_sys_pages; | |
2213 | else | |
2214 | idx = get_index(vma->vm_pgoff); | |
2215 | ||
2216 | if (idx >= max_valid_idx) { | |
2217 | mlx5_ib_warn(dev, "invalid uar index %lu, max=%d\n", | |
2218 | idx, max_valid_idx); | |
b037c29a EC |
2219 | return -EINVAL; |
2220 | } | |
37aa5c36 GL |
2221 | |
2222 | switch (cmd) { | |
2223 | case MLX5_IB_MMAP_WC_PAGE: | |
4ed131d0 | 2224 | case MLX5_IB_MMAP_ALLOC_WC: |
37aa5c36 GL |
2225 | case MLX5_IB_MMAP_REGULAR_PAGE: |
2226 | /* For MLX5_IB_MMAP_REGULAR_PAGE do the best effort to get WC */ | |
2227 | prot = pgprot_writecombine(vma->vm_page_prot); | |
2228 | break; | |
2229 | case MLX5_IB_MMAP_NC_PAGE: | |
2230 | prot = pgprot_noncached(vma->vm_page_prot); | |
2231 | break; | |
2232 | default: | |
2233 | return -EINVAL; | |
2234 | } | |
2235 | ||
4ed131d0 YH |
2236 | if (dyn_uar) { |
2237 | int uars_per_page; | |
2238 | ||
2239 | uars_per_page = get_uars_per_sys_page(dev, bfregi->lib_uar_4k); | |
2240 | bfreg_dyn_idx = idx * (uars_per_page * MLX5_NON_FP_BFREGS_PER_UAR); | |
2241 | if (bfreg_dyn_idx >= bfregi->total_num_bfregs) { | |
2242 | mlx5_ib_warn(dev, "invalid bfreg_dyn_idx %u, max=%u\n", | |
2243 | bfreg_dyn_idx, bfregi->total_num_bfregs); | |
2244 | return -EINVAL; | |
2245 | } | |
2246 | ||
2247 | mutex_lock(&bfregi->lock); | |
2248 | /* Fail if uar already allocated, first bfreg index of each | |
2249 | * page holds its count. | |
2250 | */ | |
2251 | if (bfregi->count[bfreg_dyn_idx]) { | |
2252 | mlx5_ib_warn(dev, "wrong offset, idx %lu is busy, bfregn=%u\n", idx, bfreg_dyn_idx); | |
2253 | mutex_unlock(&bfregi->lock); | |
2254 | return -EINVAL; | |
2255 | } | |
2256 | ||
2257 | bfregi->count[bfreg_dyn_idx]++; | |
2258 | mutex_unlock(&bfregi->lock); | |
2259 | ||
d2c8a155 ML |
2260 | err = mlx5_cmd_uar_alloc(dev->mdev, &uar_index, |
2261 | context->devx_uid); | |
4ed131d0 YH |
2262 | if (err) { |
2263 | mlx5_ib_warn(dev, "UAR alloc failed\n"); | |
2264 | goto free_bfreg; | |
2265 | } | |
2266 | } else { | |
2267 | uar_index = bfregi->sys_pages[idx]; | |
2268 | } | |
2269 | ||
2270 | pfn = uar_index2pfn(dev, uar_index); | |
37aa5c36 GL |
2271 | mlx5_ib_dbg(dev, "uar idx 0x%lx, pfn %pa\n", idx, &pfn); |
2272 | ||
e2cd1d1a | 2273 | err = rdma_user_mmap_io(&context->ibucontext, vma, pfn, PAGE_SIZE, |
c043ff2c | 2274 | prot, NULL); |
37aa5c36 | 2275 | if (err) { |
8f062287 | 2276 | mlx5_ib_err(dev, |
e2cd1d1a | 2277 | "rdma_user_mmap_io failed with error=%d, mmap_cmd=%s\n", |
8f062287 | 2278 | err, mmap_cmd2str(cmd)); |
4ed131d0 | 2279 | goto err; |
37aa5c36 GL |
2280 | } |
2281 | ||
4ed131d0 YH |
2282 | if (dyn_uar) |
2283 | bfregi->sys_pages[idx] = uar_index; | |
2284 | return 0; | |
2285 | ||
2286 | err: | |
2287 | if (!dyn_uar) | |
2288 | return err; | |
2289 | ||
d2c8a155 | 2290 | mlx5_cmd_uar_dealloc(dev->mdev, idx, context->devx_uid); |
4ed131d0 YH |
2291 | |
2292 | free_bfreg: | |
2293 | mlx5_ib_free_bfreg(dev, bfregi, bfreg_dyn_idx); | |
2294 | ||
2295 | return err; | |
37aa5c36 GL |
2296 | } |
2297 | ||
dc2316eb YH |
2298 | static unsigned long mlx5_vma_to_pgoff(struct vm_area_struct *vma) |
2299 | { | |
2300 | unsigned long idx; | |
2301 | u8 command; | |
2302 | ||
2303 | command = get_command(vma->vm_pgoff); | |
2304 | idx = get_extended_index(vma->vm_pgoff); | |
2305 | ||
2306 | return (command << 16 | idx); | |
2307 | } | |
2308 | ||
2309 | static int mlx5_ib_mmap_offset(struct mlx5_ib_dev *dev, | |
2310 | struct vm_area_struct *vma, | |
2311 | struct ib_ucontext *ucontext) | |
24da0016 | 2312 | { |
dc2316eb YH |
2313 | struct mlx5_user_mmap_entry *mentry; |
2314 | struct rdma_user_mmap_entry *entry; | |
2315 | unsigned long pgoff; | |
2316 | pgprot_t prot; | |
24da0016 | 2317 | phys_addr_t pfn; |
dc2316eb | 2318 | int ret; |
24da0016 | 2319 | |
dc2316eb YH |
2320 | pgoff = mlx5_vma_to_pgoff(vma); |
2321 | entry = rdma_user_mmap_entry_get_pgoff(ucontext, pgoff); | |
2322 | if (!entry) | |
24da0016 AL |
2323 | return -EINVAL; |
2324 | ||
dc2316eb YH |
2325 | mentry = to_mmmap(entry); |
2326 | pfn = (mentry->address >> PAGE_SHIFT); | |
342ee59d YH |
2327 | if (mentry->mmap_flag == MLX5_IB_MMAP_TYPE_VAR || |
2328 | mentry->mmap_flag == MLX5_IB_MMAP_TYPE_UAR_NC) | |
3f59b6c3 YH |
2329 | prot = pgprot_noncached(vma->vm_page_prot); |
2330 | else | |
2331 | prot = pgprot_writecombine(vma->vm_page_prot); | |
dc2316eb YH |
2332 | ret = rdma_user_mmap_io(ucontext, vma, pfn, |
2333 | entry->npages * PAGE_SIZE, | |
2334 | prot, | |
2335 | entry); | |
2336 | rdma_user_mmap_entry_put(&mentry->rdma_entry); | |
2337 | return ret; | |
24da0016 AL |
2338 | } |
2339 | ||
7be76bef YH |
2340 | static u64 mlx5_entry_to_mmap_offset(struct mlx5_user_mmap_entry *entry) |
2341 | { | |
9b6d3bbc LR |
2342 | u64 cmd = (entry->rdma_entry.start_pgoff >> 16) & 0xFFFF; |
2343 | u64 index = entry->rdma_entry.start_pgoff & 0xFFFF; | |
7be76bef YH |
2344 | |
2345 | return (((index >> 8) << 16) | (cmd << MLX5_IB_MMAP_CMD_SHIFT) | | |
2346 | (index & 0xFF)) << PAGE_SHIFT; | |
2347 | } | |
2348 | ||
e126ba97 EC |
2349 | static int mlx5_ib_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma) |
2350 | { | |
2351 | struct mlx5_ib_ucontext *context = to_mucontext(ibcontext); | |
2352 | struct mlx5_ib_dev *dev = to_mdev(ibcontext->device); | |
e126ba97 | 2353 | unsigned long command; |
e126ba97 EC |
2354 | phys_addr_t pfn; |
2355 | ||
2356 | command = get_command(vma->vm_pgoff); | |
2357 | switch (command) { | |
37aa5c36 | 2358 | case MLX5_IB_MMAP_WC_PAGE: |
1f3db161 | 2359 | case MLX5_IB_MMAP_ALLOC_WC: |
d98995b4 | 2360 | if (!mlx5_wc_support_get(dev->mdev)) |
1f3db161 YH |
2361 | return -EPERM; |
2362 | fallthrough; | |
37aa5c36 | 2363 | case MLX5_IB_MMAP_NC_PAGE: |
e126ba97 | 2364 | case MLX5_IB_MMAP_REGULAR_PAGE: |
7c2344c3 | 2365 | return uar_mmap(dev, command, vma, context); |
e126ba97 EC |
2366 | |
2367 | case MLX5_IB_MMAP_GET_CONTIGUOUS_PAGES: | |
2368 | return -ENOSYS; | |
2369 | ||
d69e3bcf | 2370 | case MLX5_IB_MMAP_CORE_CLOCK: |
d69e3bcf MB |
2371 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) |
2372 | return -EINVAL; | |
2373 | ||
6cbac1e4 | 2374 | if (vma->vm_flags & VM_WRITE) |
d69e3bcf | 2375 | return -EPERM; |
1c71222e | 2376 | vm_flags_clear(vma, VM_MAYWRITE); |
d69e3bcf MB |
2377 | |
2378 | /* Don't expose to user-space information it shouldn't have */ | |
2379 | if (PAGE_SIZE > 4096) | |
2380 | return -EOPNOTSUPP; | |
2381 | ||
d69e3bcf MB |
2382 | pfn = (dev->mdev->iseg_base + |
2383 | offsetof(struct mlx5_init_seg, internal_timer_h)) >> | |
2384 | PAGE_SHIFT; | |
d5e560d3 JG |
2385 | return rdma_user_mmap_io(&context->ibucontext, vma, pfn, |
2386 | PAGE_SIZE, | |
c043ff2c MK |
2387 | pgprot_noncached(vma->vm_page_prot), |
2388 | NULL); | |
5c99eaec FD |
2389 | case MLX5_IB_MMAP_CLOCK_INFO: |
2390 | return mlx5_ib_mmap_clock_info_page(dev, vma, context); | |
d69e3bcf | 2391 | |
e126ba97 | 2392 | default: |
dc2316eb | 2393 | return mlx5_ib_mmap_offset(dev, vma, ibcontext); |
e126ba97 EC |
2394 | } |
2395 | ||
2396 | return 0; | |
2397 | } | |
2398 | ||
ff23dfa1 | 2399 | static int mlx5_ib_alloc_pd(struct ib_pd *ibpd, struct ib_udata *udata) |
e126ba97 | 2400 | { |
21a428a0 LR |
2401 | struct mlx5_ib_pd *pd = to_mpd(ibpd); |
2402 | struct ib_device *ibdev = ibpd->device; | |
e126ba97 | 2403 | struct mlx5_ib_alloc_pd_resp resp; |
e126ba97 | 2404 | int err; |
a1069c1c | 2405 | u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {}; |
31578def | 2406 | u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {}; |
a1069c1c | 2407 | u16 uid = 0; |
ff23dfa1 SR |
2408 | struct mlx5_ib_ucontext *context = rdma_udata_to_drv_context( |
2409 | udata, struct mlx5_ib_ucontext, ibucontext); | |
e126ba97 | 2410 | |
ff23dfa1 | 2411 | uid = context ? context->devx_uid : 0; |
a1069c1c YH |
2412 | MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD); |
2413 | MLX5_SET(alloc_pd_in, in, uid, uid); | |
31578def | 2414 | err = mlx5_cmd_exec_inout(to_mdev(ibdev)->mdev, alloc_pd, in, out); |
21a428a0 LR |
2415 | if (err) |
2416 | return err; | |
e126ba97 | 2417 | |
a1069c1c YH |
2418 | pd->pdn = MLX5_GET(alloc_pd_out, out, pd); |
2419 | pd->uid = uid; | |
ff23dfa1 | 2420 | if (udata) { |
e126ba97 EC |
2421 | resp.pdn = pd->pdn; |
2422 | if (ib_copy_to_udata(udata, &resp, sizeof(resp))) { | |
a1069c1c | 2423 | mlx5_cmd_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn, uid); |
21a428a0 | 2424 | return -EFAULT; |
e126ba97 | 2425 | } |
e126ba97 EC |
2426 | } |
2427 | ||
21a428a0 | 2428 | return 0; |
e126ba97 EC |
2429 | } |
2430 | ||
91a7c58f | 2431 | static int mlx5_ib_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata) |
e126ba97 EC |
2432 | { |
2433 | struct mlx5_ib_dev *mdev = to_mdev(pd->device); | |
2434 | struct mlx5_ib_pd *mpd = to_mpd(pd); | |
2435 | ||
91a7c58f | 2436 | return mlx5_cmd_dealloc_pd(mdev->mdev, mpd->pdn, mpd->uid); |
e126ba97 EC |
2437 | } |
2438 | ||
2439 | static int mlx5_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) | |
038d2ef8 | 2440 | { |
e126ba97 | 2441 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); |
81e30880 | 2442 | struct mlx5_ib_qp *mqp = to_mqp(ibqp); |
e126ba97 | 2443 | int err; |
539ec982 | 2444 | u16 uid; |
466fa6d2 | 2445 | |
539ec982 YH |
2446 | uid = ibqp->pd ? |
2447 | to_mpd(ibqp->pd)->uid : 0; | |
038d2ef8 | 2448 | |
2be08c30 | 2449 | if (mqp->flags & IB_QP_CREATE_SOURCE_QPN) { |
81e30880 YH |
2450 | mlx5_ib_dbg(dev, "Attaching a multi cast group to underlay QP is not supported\n"); |
2451 | return -EOPNOTSUPP; | |
2452 | } | |
6113cc44 | 2453 | |
539ec982 | 2454 | err = mlx5_cmd_attach_mcg(dev->mdev, gid, ibqp->qp_num, uid); |
e126ba97 EC |
2455 | if (err) |
2456 | mlx5_ib_warn(dev, "failed attaching QPN 0x%x, MGID %pI6\n", | |
2457 | ibqp->qp_num, gid->raw); | |
6113cc44 | 2458 | |
6113cc44 | 2459 | return err; |
038d2ef8 MG |
2460 | } |
2461 | ||
e126ba97 | 2462 | static int mlx5_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) |
2d1e697e | 2463 | { |
e126ba97 EC |
2464 | struct mlx5_ib_dev *dev = to_mdev(ibqp->device); |
2465 | int err; | |
539ec982 | 2466 | u16 uid; |
2d1e697e | 2467 | |
539ec982 YH |
2468 | uid = ibqp->pd ? |
2469 | to_mpd(ibqp->pd)->uid : 0; | |
2470 | err = mlx5_cmd_detach_mcg(dev->mdev, gid, ibqp->qp_num, uid); | |
e126ba97 EC |
2471 | if (err) |
2472 | mlx5_ib_warn(dev, "failed detaching QPN 0x%x, MGID %pI6\n", | |
2473 | ibqp->qp_num, gid->raw); | |
2474 | ||
2475 | return err; | |
ca0d4753 MG |
2476 | } |
2477 | ||
e126ba97 | 2478 | static int init_node_data(struct mlx5_ib_dev *dev) |
71c6e863 | 2479 | { |
1b5daf11 | 2480 | int err; |
71c6e863 | 2481 | |
1b5daf11 | 2482 | err = mlx5_query_node_desc(dev, dev->ib_dev.node_desc); |
e126ba97 | 2483 | if (err) |
1b5daf11 | 2484 | return err; |
71c6e863 | 2485 | |
1b5daf11 | 2486 | dev->mdev->rev_id = dev->mdev->pdev->revision; |
71c6e863 | 2487 | |
1b5daf11 | 2488 | return mlx5_query_node_guid(dev, &dev->ib_dev.node_guid); |
802c2125 AY |
2489 | } |
2490 | ||
508a523f PP |
2491 | static ssize_t fw_pages_show(struct device *device, |
2492 | struct device_attribute *attr, char *buf) | |
e126ba97 EC |
2493 | { |
2494 | struct mlx5_ib_dev *dev = | |
54747231 | 2495 | rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev); |
2d1e697e | 2496 | |
1c7fd726 | 2497 | return sysfs_emit(buf, "%d\n", dev->mdev->priv.fw_pages); |
e126ba97 | 2498 | } |
508a523f | 2499 | static DEVICE_ATTR_RO(fw_pages); |
466fa6d2 | 2500 | |
508a523f | 2501 | static ssize_t reg_pages_show(struct device *device, |
e126ba97 EC |
2502 | struct device_attribute *attr, char *buf) |
2503 | { | |
2504 | struct mlx5_ib_dev *dev = | |
54747231 | 2505 | rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev); |
038d2ef8 | 2506 | |
1c7fd726 | 2507 | return sysfs_emit(buf, "%d\n", atomic_read(&dev->mdev->priv.reg_pages)); |
e126ba97 | 2508 | } |
508a523f | 2509 | static DEVICE_ATTR_RO(reg_pages); |
038d2ef8 | 2510 | |
508a523f PP |
2511 | static ssize_t hca_type_show(struct device *device, |
2512 | struct device_attribute *attr, char *buf) | |
e126ba97 EC |
2513 | { |
2514 | struct mlx5_ib_dev *dev = | |
54747231 | 2515 | rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev); |
038d2ef8 | 2516 | |
1c7fd726 | 2517 | return sysfs_emit(buf, "MT%d\n", dev->mdev->pdev->device); |
e126ba97 | 2518 | } |
508a523f | 2519 | static DEVICE_ATTR_RO(hca_type); |
026bae0c | 2520 | |
508a523f PP |
2521 | static ssize_t hw_rev_show(struct device *device, |
2522 | struct device_attribute *attr, char *buf) | |
e126ba97 EC |
2523 | { |
2524 | struct mlx5_ib_dev *dev = | |
54747231 | 2525 | rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev); |
026bae0c | 2526 | |
1c7fd726 | 2527 | return sysfs_emit(buf, "%x\n", dev->mdev->rev_id); |
e126ba97 | 2528 | } |
508a523f | 2529 | static DEVICE_ATTR_RO(hw_rev); |
466fa6d2 | 2530 | |
508a523f PP |
2531 | static ssize_t board_id_show(struct device *device, |
2532 | struct device_attribute *attr, char *buf) | |
e126ba97 EC |
2533 | { |
2534 | struct mlx5_ib_dev *dev = | |
54747231 | 2535 | rdma_device_to_drv_device(device, struct mlx5_ib_dev, ib_dev); |
2d1e697e | 2536 | |
1c7fd726 JP |
2537 | return sysfs_emit(buf, "%.*s\n", MLX5_BOARD_ID_LEN, |
2538 | dev->mdev->board_id); | |
e126ba97 | 2539 | } |
508a523f | 2540 | static DEVICE_ATTR_RO(board_id); |
038d2ef8 | 2541 | |
508a523f PP |
2542 | static struct attribute *mlx5_class_attributes[] = { |
2543 | &dev_attr_hw_rev.attr, | |
2544 | &dev_attr_hca_type.attr, | |
2545 | &dev_attr_board_id.attr, | |
2546 | &dev_attr_fw_pages.attr, | |
2547 | &dev_attr_reg_pages.attr, | |
2548 | NULL, | |
2549 | }; | |
038d2ef8 | 2550 | |
508a523f PP |
2551 | static const struct attribute_group mlx5_attr_group = { |
2552 | .attrs = mlx5_class_attributes, | |
e126ba97 | 2553 | }; |
038d2ef8 | 2554 | |
7722f47e HE |
2555 | static void pkey_change_handler(struct work_struct *work) |
2556 | { | |
2557 | struct mlx5_ib_port_resources *ports = | |
2558 | container_of(work, struct mlx5_ib_port_resources, | |
2559 | pkey_change_work); | |
038d2ef8 | 2560 | |
8c9e7f03 LR |
2561 | if (!ports->gsi) |
2562 | /* | |
2563 | * We got this event before device was fully configured | |
2564 | * and MAD registration code wasn't called/finished yet. | |
2565 | */ | |
2566 | return; | |
2567 | ||
7722f47e | 2568 | mlx5_ib_gsi_pkey_change(ports->gsi); |
7722f47e | 2569 | } |
038d2ef8 | 2570 | |
89ea94a7 MG |
2571 | static void mlx5_ib_handle_internal_error(struct mlx5_ib_dev *ibdev) |
2572 | { | |
2573 | struct mlx5_ib_qp *mqp; | |
2574 | struct mlx5_ib_cq *send_mcq, *recv_mcq; | |
2575 | struct mlx5_core_cq *mcq; | |
2576 | struct list_head cq_armed_list; | |
2577 | unsigned long flags_qp; | |
2578 | unsigned long flags_cq; | |
2579 | unsigned long flags; | |
038d2ef8 | 2580 | |
89ea94a7 | 2581 | INIT_LIST_HEAD(&cq_armed_list); |
da2f22ae | 2582 | |
89ea94a7 MG |
2583 | /* Go over qp list reside on that ibdev, sync with create/destroy qp.*/ |
2584 | spin_lock_irqsave(&ibdev->reset_flow_resource_lock, flags); | |
2585 | list_for_each_entry(mqp, &ibdev->qp_list, qps_list) { | |
2586 | spin_lock_irqsave(&mqp->sq.lock, flags_qp); | |
2587 | if (mqp->sq.tail != mqp->sq.head) { | |
2588 | send_mcq = to_mcq(mqp->ibqp.send_cq); | |
2589 | spin_lock_irqsave(&send_mcq->lock, flags_cq); | |
2590 | if (send_mcq->mcq.comp && | |
2591 | mqp->ibqp.send_cq->comp_handler) { | |
2592 | if (!send_mcq->mcq.reset_notify_added) { | |
2593 | send_mcq->mcq.reset_notify_added = 1; | |
2594 | list_add_tail(&send_mcq->mcq.reset_notify, | |
2595 | &cq_armed_list); | |
2596 | } | |
71c6e863 | 2597 | } |
89ea94a7 | 2598 | spin_unlock_irqrestore(&send_mcq->lock, flags_cq); |
71c6e863 | 2599 | } |
89ea94a7 MG |
2600 | spin_unlock_irqrestore(&mqp->sq.lock, flags_qp); |
2601 | spin_lock_irqsave(&mqp->rq.lock, flags_qp); | |
2602 | /* no handling is needed for SRQ */ | |
2603 | if (!mqp->ibqp.srq) { | |
2604 | if (mqp->rq.tail != mqp->rq.head) { | |
2605 | recv_mcq = to_mcq(mqp->ibqp.recv_cq); | |
2606 | spin_lock_irqsave(&recv_mcq->lock, flags_cq); | |
2607 | if (recv_mcq->mcq.comp && | |
2608 | mqp->ibqp.recv_cq->comp_handler) { | |
2609 | if (!recv_mcq->mcq.reset_notify_added) { | |
2610 | recv_mcq->mcq.reset_notify_added = 1; | |
2611 | list_add_tail(&recv_mcq->mcq.reset_notify, | |
2612 | &cq_armed_list); | |
2613 | } | |
2614 | } | |
2615 | spin_unlock_irqrestore(&recv_mcq->lock, | |
2616 | flags_cq); | |
2617 | } | |
2618 | } | |
2619 | spin_unlock_irqrestore(&mqp->rq.lock, flags_qp); | |
81e30880 | 2620 | } |
89ea94a7 MG |
2621 | /*At that point all inflight post send were put to be executed as of we |
2622 | * lock/unlock above locks Now need to arm all involved CQs. | |
2623 | */ | |
2624 | list_for_each_entry(mcq, &cq_armed_list, reset_notify) { | |
4e0e2ea1 | 2625 | mcq->comp(mcq, NULL); |
81e30880 | 2626 | } |
89ea94a7 | 2627 | spin_unlock_irqrestore(&ibdev->reset_flow_resource_lock, flags); |
038d2ef8 MG |
2628 | } |
2629 | ||
03404e8a | 2630 | static void delay_drop_handler(struct work_struct *work) |
802c2125 | 2631 | { |
03404e8a MG |
2632 | int err; |
2633 | struct mlx5_ib_delay_drop *delay_drop = | |
2634 | container_of(work, struct mlx5_ib_delay_drop, | |
2635 | delay_drop_work); | |
0f750966 | 2636 | |
fe248c3a | 2637 | atomic_inc(&delay_drop->events_cnt); |
19cc7524 | 2638 | |
03404e8a | 2639 | mutex_lock(&delay_drop->lock); |
333fbaa0 | 2640 | err = mlx5_core_set_delay_drop(delay_drop->dev, delay_drop->timeout); |
03404e8a MG |
2641 | if (err) { |
2642 | mlx5_ib_warn(delay_drop->dev, "Failed to set delay drop, timeout=%u\n", | |
2643 | delay_drop->timeout); | |
2644 | delay_drop->activate = false; | |
0f750966 | 2645 | } |
03404e8a | 2646 | mutex_unlock(&delay_drop->lock); |
0f750966 AL |
2647 | } |
2648 | ||
09e574fa SM |
2649 | static void handle_general_event(struct mlx5_ib_dev *ibdev, struct mlx5_eqe *eqe, |
2650 | struct ib_event *ibev) | |
0f750966 | 2651 | { |
1fb7f897 | 2652 | u32 port = (eqe->data.port.port >> 4) & 0xf; |
038d2ef8 | 2653 | |
09e574fa SM |
2654 | switch (eqe->sub_type) { |
2655 | case MLX5_GENERAL_SUBTYPE_DELAY_DROP_TIMEOUT: | |
6cfdc7e4 AL |
2656 | if (mlx5_ib_port_link_layer(&ibdev->ib_dev, port) == |
2657 | IB_LINK_LAYER_ETHERNET) | |
2658 | schedule_work(&ibdev->delay_drop.delay_drop_work); | |
09e574fa SM |
2659 | break; |
2660 | default: /* do nothing */ | |
2661 | return; | |
038d2ef8 MG |
2662 | } |
2663 | } | |
2664 | ||
134e9349 SM |
2665 | static int handle_port_change(struct mlx5_ib_dev *ibdev, struct mlx5_eqe *eqe, |
2666 | struct ib_event *ibev) | |
3b3233fb | 2667 | { |
1fb7f897 | 2668 | u32 port = (eqe->data.port.port >> 4) & 0xf; |
3b3233fb | 2669 | |
134e9349 | 2670 | ibev->element.port_num = port; |
3b3233fb | 2671 | |
134e9349 SM |
2672 | switch (eqe->sub_type) { |
2673 | case MLX5_PORT_CHANGE_SUBTYPE_ACTIVE: | |
2674 | case MLX5_PORT_CHANGE_SUBTYPE_DOWN: | |
2675 | case MLX5_PORT_CHANGE_SUBTYPE_INITIALIZED: | |
2676 | /* In RoCE, port up/down events are handled in | |
2677 | * mlx5_netdev_event(). | |
2678 | */ | |
2679 | if (mlx5_ib_port_link_layer(&ibdev->ib_dev, port) == | |
2680 | IB_LINK_LAYER_ETHERNET) | |
2681 | return -EINVAL; | |
2682 | ||
2683 | ibev->event = (eqe->sub_type == MLX5_PORT_CHANGE_SUBTYPE_ACTIVE) ? | |
2684 | IB_EVENT_PORT_ACTIVE : IB_EVENT_PORT_ERR; | |
2685 | break; | |
038d2ef8 | 2686 | |
134e9349 SM |
2687 | case MLX5_PORT_CHANGE_SUBTYPE_LID: |
2688 | ibev->event = IB_EVENT_LID_CHANGE; | |
2689 | break; | |
038d2ef8 | 2690 | |
134e9349 SM |
2691 | case MLX5_PORT_CHANGE_SUBTYPE_PKEY: |
2692 | ibev->event = IB_EVENT_PKEY_CHANGE; | |
2693 | schedule_work(&ibdev->devr.ports[port - 1].pkey_change_work); | |
2694 | break; | |
038d2ef8 | 2695 | |
134e9349 SM |
2696 | case MLX5_PORT_CHANGE_SUBTYPE_GUID: |
2697 | ibev->event = IB_EVENT_GID_CHANGE; | |
2698 | break; | |
038d2ef8 | 2699 | |
134e9349 SM |
2700 | case MLX5_PORT_CHANGE_SUBTYPE_CLIENT_REREG: |
2701 | ibev->event = IB_EVENT_CLIENT_REREGISTER; | |
2702 | break; | |
2703 | default: | |
2704 | return -EINVAL; | |
2705 | } | |
038d2ef8 MG |
2706 | |
2707 | return 0; | |
2708 | } | |
2709 | ||
d69a24e0 | 2710 | static void mlx5_ib_handle_event(struct work_struct *_work) |
d4be3f44 | 2711 | { |
d69a24e0 DJ |
2712 | struct mlx5_ib_event_work *work = |
2713 | container_of(_work, struct mlx5_ib_event_work, work); | |
2714 | struct mlx5_ib_dev *ibdev; | |
e126ba97 | 2715 | struct ib_event ibev; |
dbaaff2a | 2716 | bool fatal = false; |
d4be3f44 | 2717 | |
df097a27 SM |
2718 | if (work->is_slave) { |
2719 | ibdev = mlx5_ib_get_ibdev_from_mpi(work->mpi); | |
d69a24e0 DJ |
2720 | if (!ibdev) |
2721 | goto out; | |
2722 | } else { | |
df097a27 | 2723 | ibdev = work->dev; |
038d2ef8 MG |
2724 | } |
2725 | ||
d69a24e0 | 2726 | switch (work->event) { |
e126ba97 | 2727 | case MLX5_DEV_EVENT_SYS_ERROR: |
e126ba97 | 2728 | ibev.event = IB_EVENT_DEVICE_FATAL; |
89ea94a7 | 2729 | mlx5_ib_handle_internal_error(ibdev); |
134e9349 | 2730 | ibev.element.port_num = (u8)(unsigned long)work->param; |
dbaaff2a | 2731 | fatal = true; |
e126ba97 | 2732 | break; |
134e9349 SM |
2733 | case MLX5_EVENT_TYPE_PORT_CHANGE: |
2734 | if (handle_port_change(ibdev, work->param, &ibev)) | |
d69a24e0 | 2735 | goto out; |
e126ba97 | 2736 | break; |
09e574fa SM |
2737 | case MLX5_EVENT_TYPE_GENERAL_EVENT: |
2738 | handle_general_event(ibdev, work->param, &ibev); | |
df561f66 | 2739 | fallthrough; |
bdc37924 | 2740 | default: |
03404e8a | 2741 | goto out; |
e126ba97 | 2742 | } |
038d2ef8 | 2743 | |
134e9349 | 2744 | ibev.device = &ibdev->ib_dev; |
a550ddfc | 2745 | |
134e9349 SM |
2746 | if (!rdma_is_port_valid(&ibdev->ib_dev, ibev.element.port_num)) { |
2747 | mlx5_ib_warn(ibdev, "warning: event on port %d\n", ibev.element.port_num); | |
03404e8a | 2748 | goto out; |
a550ddfc | 2749 | } |
a550ddfc | 2750 | |
e126ba97 EC |
2751 | if (ibdev->ib_active) |
2752 | ib_dispatch_event(&ibev); | |
5e95af5f | 2753 | |
dbaaff2a EC |
2754 | if (fatal) |
2755 | ibdev->ib_active = false; | |
03404e8a | 2756 | out: |
d69a24e0 | 2757 | kfree(work); |
5e95af5f RS |
2758 | } |
2759 | ||
df097a27 SM |
2760 | static int mlx5_ib_event(struct notifier_block *nb, |
2761 | unsigned long event, void *param) | |
3b3233fb | 2762 | { |
d69a24e0 | 2763 | struct mlx5_ib_event_work *work; |
3b3233fb | 2764 | |
d69a24e0 | 2765 | work = kmalloc(sizeof(*work), GFP_ATOMIC); |
10bea9c8 | 2766 | if (!work) |
df097a27 | 2767 | return NOTIFY_DONE; |
3b3233fb | 2768 | |
10bea9c8 | 2769 | INIT_WORK(&work->work, mlx5_ib_handle_event); |
df097a27 SM |
2770 | work->dev = container_of(nb, struct mlx5_ib_dev, mdev_events); |
2771 | work->is_slave = false; | |
10bea9c8 | 2772 | work->param = param; |
10bea9c8 | 2773 | work->event = event; |
3b3233fb | 2774 | |
10bea9c8 | 2775 | queue_work(mlx5_ib_event_wq, &work->work); |
3b3233fb | 2776 | |
df097a27 | 2777 | return NOTIFY_OK; |
3b3233fb RS |
2778 | } |
2779 | ||
df097a27 SM |
2780 | static int mlx5_ib_event_slave_port(struct notifier_block *nb, |
2781 | unsigned long event, void *param) | |
3b3233fb | 2782 | { |
df097a27 | 2783 | struct mlx5_ib_event_work *work; |
7c34ec19 | 2784 | |
df097a27 SM |
2785 | work = kmalloc(sizeof(*work), GFP_ATOMIC); |
2786 | if (!work) | |
2787 | return NOTIFY_DONE; | |
9ef9c640 | 2788 | |
df097a27 SM |
2789 | INIT_WORK(&work->work, mlx5_ib_handle_event); |
2790 | work->mpi = container_of(nb, struct mlx5_ib_multiport_info, mdev_events); | |
2791 | work->is_slave = true; | |
2792 | work->param = param; | |
2793 | work->event = event; | |
2794 | queue_work(mlx5_ib_event_wq, &work->work); | |
2795 | ||
2796 | return NOTIFY_OK; | |
9ef9c640 AH |
2797 | } |
2798 | ||
2a5db20f MZ |
2799 | static int mlx5_ib_get_plane_num(struct mlx5_core_dev *mdev, u8 *num_plane) |
2800 | { | |
2801 | struct mlx5_hca_vport_context vport_ctx; | |
2802 | int err; | |
2803 | ||
2804 | *num_plane = 0; | |
2805 | if (!MLX5_CAP_GEN(mdev, ib_virt)) | |
2806 | return 0; | |
2807 | ||
2808 | err = mlx5_query_hca_vport_context(mdev, 0, 1, 0, &vport_ctx); | |
2809 | if (err) | |
2810 | return err; | |
2811 | ||
2812 | *num_plane = vport_ctx.num_plane; | |
2813 | return 0; | |
2814 | } | |
2815 | ||
c43f1112 | 2816 | static int set_has_smi_cap(struct mlx5_ib_dev *dev) |
d012f5d6 | 2817 | { |
c43f1112 | 2818 | struct mlx5_hca_vport_context vport_ctx; |
d012f5d6 | 2819 | int err; |
c43f1112 | 2820 | int port; |
d012f5d6 | 2821 | |
4b83c3ca MB |
2822 | if (MLX5_CAP_GEN(dev->mdev, port_type) != MLX5_CAP_PORT_TYPE_IB) |
2823 | return 0; | |
2824 | ||
2825 | for (port = 1; port <= dev->num_ports; port++) { | |
2a5db20f MZ |
2826 | if (dev->num_plane) { |
2827 | dev->port_caps[port - 1].has_smi = false; | |
2828 | continue; | |
026a4259 MZ |
2829 | } else if (!MLX5_CAP_GEN(dev->mdev, ib_virt) || |
2830 | dev->ib_dev.type == RDMA_DEVICE_TYPE_SMI) { | |
4b83c3ca MB |
2831 | dev->port_caps[port - 1].has_smi = true; |
2832 | continue; | |
c43f1112 | 2833 | } |
2a5db20f | 2834 | |
4b83c3ca MB |
2835 | err = mlx5_query_hca_vport_context(dev->mdev, 0, port, 0, |
2836 | &vport_ctx); | |
2837 | if (err) { | |
2838 | mlx5_ib_err(dev, "query_hca_vport_context for port=%d failed %d\n", | |
2839 | port, err); | |
2840 | return err; | |
2841 | } | |
2842 | dev->port_caps[port - 1].has_smi = vport_ctx.has_smi; | |
d012f5d6 | 2843 | } |
4b83c3ca | 2844 | |
d012f5d6 OG |
2845 | return 0; |
2846 | } | |
2847 | ||
e126ba97 | 2848 | static void get_ext_port_caps(struct mlx5_ib_dev *dev) |
5ec8c83e | 2849 | { |
13179652 | 2850 | unsigned int port; |
e126ba97 | 2851 | |
13179652 | 2852 | rdma_for_each_port (&dev->ib_dev, port) |
e126ba97 | 2853 | mlx5_query_ext_port_caps(dev, port); |
5ec8c83e AH |
2854 | } |
2855 | ||
6e8484c5 MG |
2856 | static u8 mlx5_get_umr_fence(u8 umr_fence_cap) |
2857 | { | |
2858 | switch (umr_fence_cap) { | |
2859 | case MLX5_CAP_UMR_FENCE_NONE: | |
2860 | return MLX5_FENCE_MODE_NONE; | |
2861 | case MLX5_CAP_UMR_FENCE_SMALL: | |
2862 | return MLX5_FENCE_MODE_INITIATOR_SMALL; | |
2863 | default: | |
2864 | return MLX5_FENCE_MODE_STRONG_ORDERING; | |
2865 | } | |
2866 | } | |
7c16f477 | 2867 | |
5895e70f | 2868 | int mlx5_ib_dev_res_cq_init(struct mlx5_ib_dev *dev) |
e126ba97 | 2869 | { |
1e2b5a90 | 2870 | struct mlx5_ib_resources *devr = &dev->devr; |
bcf4c1ea | 2871 | struct ib_cq_init_attr cq_attr = {.cqe = 1}; |
5895e70f JL |
2872 | struct ib_device *ibdev; |
2873 | struct ib_pd *pd; | |
2874 | struct ib_cq *cq; | |
e126ba97 | 2875 | int ret = 0; |
7c16f477 | 2876 | |
7c16f477 | 2877 | |
5895e70f JL |
2878 | /* |
2879 | * devr->c0 is set once, never changed until device unload. | |
2880 | * Avoid taking the mutex if initialization is already done. | |
2881 | */ | |
2882 | if (devr->c0) | |
2883 | return 0; | |
7c16f477 | 2884 | |
5895e70f JL |
2885 | mutex_lock(&devr->cq_lock); |
2886 | if (devr->c0) | |
2887 | goto unlock; | |
d7fab916 | 2888 | |
5895e70f JL |
2889 | ibdev = &dev->ib_dev; |
2890 | pd = ib_alloc_pd(ibdev, 0); | |
2891 | if (IS_ERR(pd)) { | |
2892 | ret = PTR_ERR(pd); | |
2893 | mlx5_ib_err(dev, "Couldn't allocate PD for res init, err=%d\n", ret); | |
2894 | goto unlock; | |
e126ba97 | 2895 | } |
9f876f3d | 2896 | |
5895e70f JL |
2897 | cq = ib_create_cq(ibdev, NULL, NULL, NULL, &cq_attr); |
2898 | if (IS_ERR(cq)) { | |
2899 | ret = PTR_ERR(cq); | |
2900 | mlx5_ib_err(dev, "Couldn't create CQ for res init, err=%d\n", ret); | |
2901 | ib_dealloc_pd(pd); | |
2902 | goto unlock; | |
2903 | } | |
0837e86a | 2904 | |
5895e70f JL |
2905 | devr->p0 = pd; |
2906 | devr->c0 = cq; | |
2907 | ||
2908 | unlock: | |
2909 | mutex_unlock(&devr->cq_lock); | |
2910 | return ret; | |
2911 | } | |
2912 | ||
2913 | int mlx5_ib_dev_res_srq_init(struct mlx5_ib_dev *dev) | |
2914 | { | |
2915 | struct mlx5_ib_resources *devr = &dev->devr; | |
2916 | struct ib_srq_init_attr attr; | |
2917 | struct ib_srq *s0, *s1; | |
2918 | int ret = 0; | |
2919 | ||
2920 | /* | |
2921 | * devr->s1 is set once, never changed until device unload. | |
2922 | * Avoid taking the mutex if initialization is already done. | |
2923 | */ | |
2924 | if (devr->s1) | |
2925 | return 0; | |
2926 | ||
2927 | mutex_lock(&devr->srq_lock); | |
2928 | if (devr->s1) | |
2929 | goto unlock; | |
2930 | ||
2931 | ret = mlx5_ib_dev_res_cq_init(dev); | |
f4375443 | 2932 | if (ret) |
5895e70f | 2933 | goto unlock; |
3e1f000f | 2934 | |
e126ba97 EC |
2935 | memset(&attr, 0, sizeof(attr)); |
2936 | attr.attr.max_sge = 1; | |
2937 | attr.attr.max_wr = 1; | |
2938 | attr.srq_type = IB_SRQT_XRC; | |
1a56ff6d | 2939 | attr.ext.cq = devr->c0; |
66247fbb | 2940 | |
5895e70f JL |
2941 | s0 = ib_create_srq(devr->p0, &attr); |
2942 | if (IS_ERR(s0)) { | |
2943 | ret = PTR_ERR(s0); | |
2944 | mlx5_ib_err(dev, "Couldn't create SRQ 0 for res init, err=%d\n", ret); | |
2945 | goto unlock; | |
20da44df | 2946 | } |
7c16f477 | 2947 | |
4aa17b28 HA |
2948 | memset(&attr, 0, sizeof(attr)); |
2949 | attr.attr.max_sge = 1; | |
2950 | attr.attr.max_wr = 1; | |
2951 | attr.srq_type = IB_SRQT_BASIC; | |
58dcb60a | 2952 | |
5895e70f JL |
2953 | s1 = ib_create_srq(devr->p0, &attr); |
2954 | if (IS_ERR(s1)) { | |
2955 | ret = PTR_ERR(s1); | |
2956 | mlx5_ib_err(dev, "Couldn't create SRQ 1 for res init, err=%d\n", ret); | |
2957 | ib_destroy_srq(s0); | |
2958 | } | |
2959 | ||
2960 | devr->s0 = s0; | |
2961 | devr->s1 = s1; | |
2962 | ||
2963 | unlock: | |
2964 | mutex_unlock(&devr->srq_lock); | |
2965 | return ret; | |
2966 | } | |
2967 | ||
2968 | static int mlx5_ib_dev_res_init(struct mlx5_ib_dev *dev) | |
2969 | { | |
2970 | struct mlx5_ib_resources *devr = &dev->devr; | |
2971 | int port; | |
2972 | int ret; | |
2973 | ||
2974 | if (!MLX5_CAP_GEN(dev->mdev, xrc)) | |
2975 | return -EOPNOTSUPP; | |
2976 | ||
2977 | ret = mlx5_cmd_xrcd_alloc(dev->mdev, &devr->xrcdn0, 0); | |
2978 | if (ret) | |
2979 | return ret; | |
2980 | ||
2981 | ret = mlx5_cmd_xrcd_alloc(dev->mdev, &devr->xrcdn1, 0); | |
2982 | if (ret) { | |
2983 | mlx5_cmd_xrcd_dealloc(dev->mdev, devr->xrcdn0, 0); | |
2984 | return ret; | |
20da44df | 2985 | } |
7c16f477 | 2986 | |
f8225e34 | 2987 | for (port = 0; port < ARRAY_SIZE(devr->ports); ++port) |
7722f47e HE |
2988 | INIT_WORK(&devr->ports[port].pkey_change_work, |
2989 | pkey_change_handler); | |
7c16f477 | 2990 | |
5895e70f JL |
2991 | mutex_init(&devr->cq_lock); |
2992 | mutex_init(&devr->srq_lock); | |
7c16f477 | 2993 | |
5895e70f | 2994 | return 0; |
7c16f477 KH |
2995 | } |
2996 | ||
1e2b5a90 | 2997 | static void mlx5_ib_dev_res_cleanup(struct mlx5_ib_dev *dev) |
7c16f477 | 2998 | { |
1e2b5a90 | 2999 | struct mlx5_ib_resources *devr = &dev->devr; |
7722f47e | 3000 | int port; |
d7fab916 | 3001 | |
b0791dbf LR |
3002 | /* |
3003 | * Make sure no change P_Key work items are still executing. | |
3004 | * | |
3005 | * At this stage, the mlx5_ib_event should be unregistered | |
3006 | * and it ensures that no new works are added. | |
3007 | */ | |
5d8f6a0e | 3008 | for (port = 0; port < ARRAY_SIZE(devr->ports); ++port) |
7722f47e | 3009 | cancel_work_sync(&devr->ports[port].pkey_change_work); |
b0791dbf | 3010 | |
5895e70f JL |
3011 | /* After s0/s1 init, they are not unset during the device lifetime. */ |
3012 | if (devr->s1) { | |
3013 | ib_destroy_srq(devr->s1); | |
3014 | ib_destroy_srq(devr->s0); | |
3015 | } | |
f4375443 LR |
3016 | mlx5_cmd_xrcd_dealloc(dev->mdev, devr->xrcdn1, 0); |
3017 | mlx5_cmd_xrcd_dealloc(dev->mdev, devr->xrcdn0, 0); | |
5895e70f JL |
3018 | /* After p0/c0 init, they are not unset during the device lifetime. */ |
3019 | if (devr->c0) { | |
3020 | ib_destroy_cq(devr->c0); | |
3021 | ib_dealloc_pd(devr->p0); | |
3022 | } | |
3023 | mutex_destroy(&devr->cq_lock); | |
3024 | mutex_destroy(&devr->srq_lock); | |
0837e86a MB |
3025 | } |
3026 | ||
b02289b3 AK |
3027 | static u32 get_core_cap_flags(struct ib_device *ibdev, |
3028 | struct mlx5_hca_vport_context *rep) | |
0837e86a | 3029 | { |
e53505a8 AS |
3030 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
3031 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(ibdev, 1); | |
3032 | u8 l3_type_cap = MLX5_CAP_ROCE(dev->mdev, l3_type); | |
3033 | u8 roce_version_cap = MLX5_CAP_ROCE(dev->mdev, roce_version); | |
85c7c014 | 3034 | bool raw_support = !mlx5_core_mp_enabled(dev->mdev); |
e53505a8 | 3035 | u32 ret = 0; |
aac4492e | 3036 | |
b02289b3 AK |
3037 | if (rep->grh_required) |
3038 | ret |= RDMA_CORE_CAP_IB_GRH_REQUIRED; | |
7c16f477 | 3039 | |
2a5db20f MZ |
3040 | if (dev->num_plane) |
3041 | return ret | RDMA_CORE_CAP_PROT_IB | RDMA_CORE_CAP_IB_MAD | | |
3042 | RDMA_CORE_CAP_IB_CM | RDMA_CORE_CAP_IB_SA | | |
3043 | RDMA_CORE_CAP_AF_IB; | |
026a4259 MZ |
3044 | else if (ibdev->type == RDMA_DEVICE_TYPE_SMI) |
3045 | return ret | RDMA_CORE_CAP_IB_MAD | RDMA_CORE_CAP_IB_SMI; | |
2a5db20f | 3046 | |
e53505a8 | 3047 | if (ll == IB_LINK_LAYER_INFINIBAND) |
b02289b3 | 3048 | return ret | RDMA_CORE_PORT_IBA_IB; |
bfd745f8 | 3049 | |
85c7c014 | 3050 | if (raw_support) |
b02289b3 | 3051 | ret |= RDMA_CORE_PORT_RAW_PACKET; |
bfd745f8 | 3052 | |
e53505a8 | 3053 | if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV4_CAP)) |
72cd5717 | 3054 | return ret; |
0837e86a | 3055 | |
e53505a8 | 3056 | if (!(l3_type_cap & MLX5_ROCE_L3_TYPE_IPV6_CAP)) |
72cd5717 | 3057 | return ret; |
0837e86a | 3058 | |
e53505a8 AS |
3059 | if (roce_version_cap & MLX5_ROCE_VERSION_1_CAP) |
3060 | ret |= RDMA_CORE_PORT_IBA_ROCE; | |
3e1f000f | 3061 | |
e53505a8 AS |
3062 | if (roce_version_cap & MLX5_ROCE_VERSION_2_CAP) |
3063 | ret |= RDMA_CORE_PORT_IBA_ROCE_UDP_ENCAP; | |
3e1f000f | 3064 | |
e53505a8 | 3065 | return ret; |
3e1f000f PP |
3066 | } |
3067 | ||
1fb7f897 | 3068 | static int mlx5_port_immutable(struct ib_device *ibdev, u32 port_num, |
7738613e | 3069 | struct ib_port_immutable *immutable) |
0ad17a8f | 3070 | { |
7738613e | 3071 | struct ib_port_attr attr; |
7c16f477 | 3072 | struct mlx5_ib_dev *dev = to_mdev(ibdev); |
ca5b91d6 | 3073 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(ibdev, port_num); |
b02289b3 | 3074 | struct mlx5_hca_vport_context rep = {0}; |
7738613e | 3075 | int err; |
0ad17a8f | 3076 | |
c4550c63 | 3077 | err = ib_query_port(ibdev, port_num, &attr); |
7738613e IW |
3078 | if (err) |
3079 | return err; | |
3080 | ||
b02289b3 | 3081 | if (ll == IB_LINK_LAYER_INFINIBAND) { |
026a4259 MZ |
3082 | if (ibdev->type == RDMA_DEVICE_TYPE_SMI) |
3083 | port_num = smi_to_native_portnum(dev, port_num); | |
3084 | ||
b02289b3 AK |
3085 | err = mlx5_query_hca_vport_context(dev->mdev, 0, port_num, 0, |
3086 | &rep); | |
3087 | if (err) | |
3088 | return err; | |
3089 | } | |
0ad17a8f | 3090 | |
7738613e IW |
3091 | immutable->pkey_tbl_len = attr.pkey_tbl_len; |
3092 | immutable->gid_tbl_len = attr.gid_tbl_len; | |
b02289b3 | 3093 | immutable->core_cap_flags = get_core_cap_flags(ibdev, &rep); |
94de879c | 3094 | immutable->max_mad_size = IB_MGMT_MAD_SIZE; |
3e1f000f | 3095 | |
7738613e | 3096 | return 0; |
0ad17a8f MB |
3097 | } |
3098 | ||
1fb7f897 | 3099 | static int mlx5_port_rep_immutable(struct ib_device *ibdev, u32 port_num, |
8e6efa3a | 3100 | struct ib_port_immutable *immutable) |
0ad17a8f | 3101 | { |
8e6efa3a MB |
3102 | struct ib_port_attr attr; |
3103 | int err; | |
0ad17a8f | 3104 | |
8e6efa3a | 3105 | immutable->core_cap_flags = RDMA_CORE_PORT_RAW_PACKET; |
0ad17a8f | 3106 | |
8e6efa3a MB |
3107 | err = ib_query_port(ibdev, port_num, &attr); |
3108 | if (err) | |
3109 | return err; | |
3110 | ||
3111 | immutable->pkey_tbl_len = attr.pkey_tbl_len; | |
3112 | immutable->gid_tbl_len = attr.gid_tbl_len; | |
3113 | immutable->core_cap_flags = RDMA_CORE_PORT_RAW_PACKET; | |
7c16f477 | 3114 | |
66247fbb | 3115 | return 0; |
e1f24a79 PP |
3116 | } |
3117 | ||
9abb0d1b | 3118 | static void get_dev_fw_str(struct ib_device *ibdev, char *str) |
9f876f3d | 3119 | { |
c7342823 IW |
3120 | struct mlx5_ib_dev *dev = |
3121 | container_of(ibdev, struct mlx5_ib_dev, ib_dev); | |
9abb0d1b LR |
3122 | snprintf(str, IB_FW_VERSION_NAME_MAX, "%d.%d.%04d", |
3123 | fw_rev_maj(dev->mdev), fw_rev_min(dev->mdev), | |
3124 | fw_rev_sub(dev->mdev)); | |
9f876f3d TB |
3125 | } |
3126 | ||
45f95acd | 3127 | static int mlx5_eth_lag_init(struct mlx5_ib_dev *dev) |
e1f24a79 | 3128 | { |
9ef9c640 AH |
3129 | struct mlx5_core_dev *mdev = dev->mdev; |
3130 | struct mlx5_flow_namespace *ns = mlx5_get_flow_namespace(mdev, | |
3131 | MLX5_FLOW_NAMESPACE_LAG); | |
3132 | struct mlx5_flow_table *ft; | |
3133 | int err; | |
e1f24a79 | 3134 | |
c446d9da | 3135 | if (!ns || !mlx5_lag_is_active(mdev)) |
9ef9c640 | 3136 | return 0; |
aac4492e | 3137 | |
9ef9c640 AH |
3138 | err = mlx5_cmd_create_vport_lag(mdev); |
3139 | if (err) | |
3140 | return err; | |
e1f24a79 | 3141 | |
9ef9c640 AH |
3142 | ft = mlx5_create_lag_demux_flow_table(ns, 0, 0); |
3143 | if (IS_ERR(ft)) { | |
3144 | err = PTR_ERR(ft); | |
3145 | goto err_destroy_vport_lag; | |
9f876f3d TB |
3146 | } |
3147 | ||
9a4ca38d | 3148 | dev->flow_db->lag_demux_ft = ft; |
34a30d76 | 3149 | dev->lag_ports = mlx5_lag_get_num_ports(mdev); |
7c34ec19 | 3150 | dev->lag_active = true; |
9ef9c640 | 3151 | return 0; |
e1f24a79 | 3152 | |
9ef9c640 AH |
3153 | err_destroy_vport_lag: |
3154 | mlx5_cmd_destroy_vport_lag(mdev); | |
3155 | return err; | |
0ad17a8f MB |
3156 | } |
3157 | ||
45f95acd | 3158 | static void mlx5_eth_lag_cleanup(struct mlx5_ib_dev *dev) |
18d422ce | 3159 | { |
9ef9c640 | 3160 | struct mlx5_core_dev *mdev = dev->mdev; |
18d422ce | 3161 | |
7c34ec19 AH |
3162 | if (dev->lag_active) { |
3163 | dev->lag_active = false; | |
18d422ce | 3164 | |
9a4ca38d MB |
3165 | mlx5_destroy_flow_table(dev->flow_db->lag_demux_ft); |
3166 | dev->flow_db->lag_demux_ft = NULL; | |
18d422ce | 3167 | |
9ef9c640 AH |
3168 | mlx5_cmd_destroy_vport_lag(mdev); |
3169 | } | |
18d422ce MZ |
3170 | } |
3171 | ||
dca55da0 JP |
3172 | static void mlx5_netdev_notifier_register(struct mlx5_roce *roce, |
3173 | struct net_device *netdev) | |
66247fbb | 3174 | { |
d012f5d6 | 3175 | int err; |
66247fbb | 3176 | |
dca55da0 JP |
3177 | if (roce->tracking_netdev) |
3178 | return; | |
3179 | roce->tracking_netdev = netdev; | |
3180 | roce->nb.notifier_call = mlx5_netdev_event; | |
3181 | err = register_netdevice_notifier_dev_net(netdev, &roce->nb, &roce->nn); | |
3182 | WARN_ON(err); | |
3183 | } | |
66247fbb | 3184 | |
dca55da0 JP |
3185 | static void mlx5_netdev_notifier_unregister(struct mlx5_roce *roce) |
3186 | { | |
3187 | if (!roce->tracking_netdev) | |
3188 | return; | |
3189 | unregister_netdevice_notifier_dev_net(roce->tracking_netdev, &roce->nb, | |
3190 | &roce->nn); | |
3191 | roce->tracking_netdev = NULL; | |
66247fbb LR |
3192 | } |
3193 | ||
dca55da0 JP |
3194 | static int mlx5e_mdev_notifier_event(struct notifier_block *nb, |
3195 | unsigned long event, void *data) | |
45842fc6 | 3196 | { |
dca55da0 JP |
3197 | struct mlx5_roce *roce = container_of(nb, struct mlx5_roce, mdev_nb); |
3198 | struct net_device *netdev = data; | |
3199 | ||
3200 | switch (event) { | |
3201 | case MLX5_DRIVER_EVENT_UPLINK_NETDEV: | |
3202 | if (netdev) | |
3203 | mlx5_netdev_notifier_register(roce, netdev); | |
3204 | else | |
3205 | mlx5_netdev_notifier_unregister(roce); | |
3206 | break; | |
3207 | default: | |
3208 | return NOTIFY_DONE; | |
5ec8c83e | 3209 | } |
dca55da0 JP |
3210 | |
3211 | return NOTIFY_OK; | |
3212 | } | |
3213 | ||
3214 | static void mlx5_mdev_netdev_track(struct mlx5_ib_dev *dev, u32 port_num) | |
3215 | { | |
3216 | struct mlx5_roce *roce = &dev->port[port_num].roce; | |
3217 | ||
3218 | roce->mdev_nb.notifier_call = mlx5e_mdev_notifier_event; | |
3219 | mlx5_blocking_notifier_register(dev->mdev, &roce->mdev_nb); | |
3220 | mlx5_core_uplink_netdev_event_replay(dev->mdev); | |
3221 | } | |
3222 | ||
3223 | static void mlx5_mdev_netdev_untrack(struct mlx5_ib_dev *dev, u32 port_num) | |
3224 | { | |
3225 | struct mlx5_roce *roce = &dev->port[port_num].roce; | |
3226 | ||
3227 | mlx5_blocking_notifier_unregister(dev->mdev, &roce->mdev_nb); | |
3228 | mlx5_netdev_notifier_unregister(roce); | |
5ec8c83e | 3229 | } |
45842fc6 | 3230 | |
e3f1ed1f | 3231 | static int mlx5_enable_eth(struct mlx5_ib_dev *dev) |
fc24fc5e | 3232 | { |
e53505a8 | 3233 | int err; |
bfd745f8 | 3234 | |
c446d9da MB |
3235 | if (!dev->is_rep && dev->profile != &raw_eth_profile) { |
3236 | err = mlx5_nic_vport_enable_roce(dev->mdev); | |
3237 | if (err) | |
3238 | return err; | |
3239 | } | |
45842fc6 | 3240 | |
45f95acd | 3241 | err = mlx5_eth_lag_init(dev); |
45842fc6 | 3242 | if (err) |
9ef9c640 | 3243 | goto err_disable_roce; |
45842fc6 MZ |
3244 | |
3245 | return 0; | |
3246 | ||
9ef9c640 | 3247 | err_disable_roce: |
c446d9da MB |
3248 | if (!dev->is_rep && dev->profile != &raw_eth_profile) |
3249 | mlx5_nic_vport_disable_roce(dev->mdev); | |
45842fc6 MZ |
3250 | |
3251 | return err; | |
3252 | } | |
3253 | ||
45f95acd | 3254 | static void mlx5_disable_eth(struct mlx5_ib_dev *dev) |
45842fc6 | 3255 | { |
45f95acd | 3256 | mlx5_eth_lag_cleanup(dev); |
c446d9da MB |
3257 | if (!dev->is_rep && dev->profile != &raw_eth_profile) |
3258 | mlx5_nic_vport_disable_roce(dev->mdev); | |
45842fc6 MZ |
3259 | } |
3260 | ||
1fb7f897 | 3261 | static int mlx5_ib_rn_get_params(struct ib_device *device, u32 port_num, |
f6a8a19b DD |
3262 | enum rdma_netdev_t type, |
3263 | struct rdma_netdev_alloc_params *params) | |
693dfd5a ES |
3264 | { |
3265 | if (type != RDMA_NETDEV_IPOIB) | |
f6a8a19b | 3266 | return -EOPNOTSUPP; |
693dfd5a | 3267 | |
f6a8a19b | 3268 | return mlx5_rdma_rn_get_params(to_mdev(device)->mdev, device, params); |
693dfd5a ES |
3269 | } |
3270 | ||
fe248c3a MG |
3271 | static ssize_t delay_drop_timeout_read(struct file *filp, char __user *buf, |
3272 | size_t count, loff_t *pos) | |
3273 | { | |
3274 | struct mlx5_ib_delay_drop *delay_drop = filp->private_data; | |
3275 | char lbuf[20]; | |
3276 | int len; | |
3277 | ||
3278 | len = snprintf(lbuf, sizeof(lbuf), "%u\n", delay_drop->timeout); | |
3279 | return simple_read_from_buffer(buf, count, pos, lbuf, len); | |
3280 | } | |
3281 | ||
3282 | static ssize_t delay_drop_timeout_write(struct file *filp, const char __user *buf, | |
3283 | size_t count, loff_t *pos) | |
3284 | { | |
3285 | struct mlx5_ib_delay_drop *delay_drop = filp->private_data; | |
3286 | u32 timeout; | |
3287 | u32 var; | |
3288 | ||
3289 | if (kstrtouint_from_user(buf, count, 0, &var)) | |
3290 | return -EFAULT; | |
3291 | ||
3292 | timeout = min_t(u32, roundup(var, 100), MLX5_MAX_DELAY_DROP_TIMEOUT_MS * | |
3293 | 1000); | |
3294 | if (timeout != var) | |
3295 | mlx5_ib_dbg(delay_drop->dev, "Round delay drop timeout to %u usec\n", | |
3296 | timeout); | |
3297 | ||
3298 | delay_drop->timeout = timeout; | |
3299 | ||
3300 | return count; | |
3301 | } | |
3302 | ||
3303 | static const struct file_operations fops_delay_drop_timeout = { | |
3304 | .owner = THIS_MODULE, | |
3305 | .open = simple_open, | |
3306 | .write = delay_drop_timeout_write, | |
3307 | .read = delay_drop_timeout_read, | |
3308 | }; | |
3309 | ||
32f69e4b DJ |
3310 | static void mlx5_ib_unbind_slave_port(struct mlx5_ib_dev *ibdev, |
3311 | struct mlx5_ib_multiport_info *mpi) | |
3312 | { | |
1fb7f897 | 3313 | u32 port_num = mlx5_core_native_port_num(mpi->mdev) - 1; |
32f69e4b DJ |
3314 | struct mlx5_ib_port *port = &ibdev->port[port_num]; |
3315 | int comps; | |
3316 | int err; | |
3317 | int i; | |
3318 | ||
9dc4cfff LR |
3319 | lockdep_assert_held(&mlx5_ib_multiport_mutex); |
3320 | ||
0d293714 PH |
3321 | mlx5_core_mp_event_replay(ibdev->mdev, |
3322 | MLX5_DRIVER_EVENT_AFFILIATION_REMOVED, | |
3323 | NULL); | |
3324 | mlx5_core_mp_event_replay(mpi->mdev, | |
3325 | MLX5_DRIVER_EVENT_AFFILIATION_REMOVED, | |
3326 | NULL); | |
3327 | ||
a9e546e7 PP |
3328 | mlx5_ib_cleanup_cong_debugfs(ibdev, port_num); |
3329 | ||
32f69e4b DJ |
3330 | spin_lock(&port->mp.mpi_lock); |
3331 | if (!mpi->ibdev) { | |
3332 | spin_unlock(&port->mp.mpi_lock); | |
3333 | return; | |
3334 | } | |
df097a27 | 3335 | |
32f69e4b DJ |
3336 | mpi->ibdev = NULL; |
3337 | ||
3338 | spin_unlock(&port->mp.mpi_lock); | |
23eaf3b5 LR |
3339 | if (mpi->mdev_events.notifier_call) |
3340 | mlx5_notifier_unregister(mpi->mdev, &mpi->mdev_events); | |
3341 | mpi->mdev_events.notifier_call = NULL; | |
dca55da0 | 3342 | mlx5_mdev_netdev_untrack(ibdev, port_num); |
32f69e4b DJ |
3343 | spin_lock(&port->mp.mpi_lock); |
3344 | ||
3345 | comps = mpi->mdev_refcnt; | |
3346 | if (comps) { | |
3347 | mpi->unaffiliate = true; | |
3348 | init_completion(&mpi->unref_comp); | |
3349 | spin_unlock(&port->mp.mpi_lock); | |
3350 | ||
3351 | for (i = 0; i < comps; i++) | |
3352 | wait_for_completion(&mpi->unref_comp); | |
3353 | ||
3354 | spin_lock(&port->mp.mpi_lock); | |
3355 | mpi->unaffiliate = false; | |
3356 | } | |
3357 | ||
3358 | port->mp.mpi = NULL; | |
3359 | ||
32f69e4b DJ |
3360 | spin_unlock(&port->mp.mpi_lock); |
3361 | ||
3362 | err = mlx5_nic_vport_unaffiliate_multiport(mpi->mdev); | |
3363 | ||
1fb7f897 | 3364 | mlx5_ib_dbg(ibdev, "unaffiliated port %u\n", port_num + 1); |
32f69e4b DJ |
3365 | /* Log an error, still needed to cleanup the pointers and add |
3366 | * it back to the list. | |
3367 | */ | |
3368 | if (err) | |
3369 | mlx5_ib_err(ibdev, "Failed to unaffiliate port %u\n", | |
3370 | port_num + 1); | |
3371 | ||
95579e78 | 3372 | ibdev->port[port_num].roce.last_port_state = IB_PORT_DOWN; |
32f69e4b DJ |
3373 | } |
3374 | ||
32f69e4b DJ |
3375 | static bool mlx5_ib_bind_slave_port(struct mlx5_ib_dev *ibdev, |
3376 | struct mlx5_ib_multiport_info *mpi) | |
3377 | { | |
1fb7f897 | 3378 | u32 port_num = mlx5_core_native_port_num(mpi->mdev) - 1; |
0d293714 | 3379 | u64 key; |
32f69e4b DJ |
3380 | int err; |
3381 | ||
9dc4cfff LR |
3382 | lockdep_assert_held(&mlx5_ib_multiport_mutex); |
3383 | ||
32f69e4b DJ |
3384 | spin_lock(&ibdev->port[port_num].mp.mpi_lock); |
3385 | if (ibdev->port[port_num].mp.mpi) { | |
1fb7f897 | 3386 | mlx5_ib_dbg(ibdev, "port %u already affiliated.\n", |
2577188e | 3387 | port_num + 1); |
32f69e4b DJ |
3388 | spin_unlock(&ibdev->port[port_num].mp.mpi_lock); |
3389 | return false; | |
3390 | } | |
3391 | ||
3392 | ibdev->port[port_num].mp.mpi = mpi; | |
3393 | mpi->ibdev = ibdev; | |
df097a27 | 3394 | mpi->mdev_events.notifier_call = NULL; |
32f69e4b DJ |
3395 | spin_unlock(&ibdev->port[port_num].mp.mpi_lock); |
3396 | ||
3397 | err = mlx5_nic_vport_affiliate_multiport(ibdev->mdev, mpi->mdev); | |
3398 | if (err) | |
3399 | goto unbind; | |
3400 | ||
dca55da0 | 3401 | mlx5_mdev_netdev_track(ibdev, port_num); |
32f69e4b | 3402 | |
df097a27 SM |
3403 | mpi->mdev_events.notifier_call = mlx5_ib_event_slave_port; |
3404 | mlx5_notifier_register(mpi->mdev, &mpi->mdev_events); | |
3405 | ||
73eb8f03 | 3406 | mlx5_ib_init_cong_debugfs(ibdev, port_num); |
a9e546e7 | 3407 | |
02e7d139 | 3408 | key = mpi->mdev->priv.adev_idx; |
0d293714 PH |
3409 | mlx5_core_mp_event_replay(mpi->mdev, |
3410 | MLX5_DRIVER_EVENT_AFFILIATION_DONE, | |
3411 | &key); | |
3412 | mlx5_core_mp_event_replay(ibdev->mdev, | |
3413 | MLX5_DRIVER_EVENT_AFFILIATION_DONE, | |
3414 | &key); | |
3415 | ||
32f69e4b DJ |
3416 | return true; |
3417 | ||
3418 | unbind: | |
3419 | mlx5_ib_unbind_slave_port(ibdev, mpi); | |
3420 | return false; | |
3421 | } | |
3422 | ||
3423 | static int mlx5_ib_init_multiport_master(struct mlx5_ib_dev *dev) | |
3424 | { | |
1fb7f897 | 3425 | u32 port_num = mlx5_core_native_port_num(dev->mdev) - 1; |
32f69e4b DJ |
3426 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(&dev->ib_dev, |
3427 | port_num + 1); | |
3428 | struct mlx5_ib_multiport_info *mpi; | |
3429 | int err; | |
1fb7f897 | 3430 | u32 i; |
32f69e4b DJ |
3431 | |
3432 | if (!mlx5_core_is_mp_master(dev->mdev) || ll != IB_LINK_LAYER_ETHERNET) | |
3433 | return 0; | |
3434 | ||
3435 | err = mlx5_query_nic_vport_system_image_guid(dev->mdev, | |
3436 | &dev->sys_image_guid); | |
3437 | if (err) | |
3438 | return err; | |
3439 | ||
3440 | err = mlx5_nic_vport_enable_roce(dev->mdev); | |
3441 | if (err) | |
3442 | return err; | |
3443 | ||
3444 | mutex_lock(&mlx5_ib_multiport_mutex); | |
3445 | for (i = 0; i < dev->num_ports; i++) { | |
3446 | bool bound = false; | |
3447 | ||
3448 | /* build a stub multiport info struct for the native port. */ | |
3449 | if (i == port_num) { | |
3450 | mpi = kzalloc(sizeof(*mpi), GFP_KERNEL); | |
3451 | if (!mpi) { | |
3452 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
3453 | mlx5_nic_vport_disable_roce(dev->mdev); | |
3454 | return -ENOMEM; | |
3455 | } | |
3456 | ||
3457 | mpi->is_master = true; | |
3458 | mpi->mdev = dev->mdev; | |
3459 | mpi->sys_image_guid = dev->sys_image_guid; | |
3460 | dev->port[i].mp.mpi = mpi; | |
3461 | mpi->ibdev = dev; | |
3462 | mpi = NULL; | |
3463 | continue; | |
3464 | } | |
3465 | ||
3466 | list_for_each_entry(mpi, &mlx5_ib_unaffiliated_port_list, | |
3467 | list) { | |
3468 | if (dev->sys_image_guid == mpi->sys_image_guid && | |
3469 | (mlx5_core_native_port_num(mpi->mdev) - 1) == i) { | |
3470 | bound = mlx5_ib_bind_slave_port(dev, mpi); | |
3471 | } | |
3472 | ||
3473 | if (bound) { | |
c42260f1 VP |
3474 | dev_dbg(mpi->mdev->device, |
3475 | "removing port from unaffiliated list.\n"); | |
32f69e4b DJ |
3476 | mlx5_ib_dbg(dev, "port %d bound\n", i + 1); |
3477 | list_del(&mpi->list); | |
3478 | break; | |
3479 | } | |
3480 | } | |
7416790e | 3481 | if (!bound) |
32f69e4b DJ |
3482 | mlx5_ib_dbg(dev, "no free port found for port %d\n", |
3483 | i + 1); | |
32f69e4b DJ |
3484 | } |
3485 | ||
3486 | list_add_tail(&dev->ib_dev_list, &mlx5_ib_dev_list); | |
3487 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
3488 | return err; | |
3489 | } | |
3490 | ||
3491 | static void mlx5_ib_cleanup_multiport_master(struct mlx5_ib_dev *dev) | |
3492 | { | |
1fb7f897 | 3493 | u32 port_num = mlx5_core_native_port_num(dev->mdev) - 1; |
32f69e4b DJ |
3494 | enum rdma_link_layer ll = mlx5_ib_port_link_layer(&dev->ib_dev, |
3495 | port_num + 1); | |
1fb7f897 | 3496 | u32 i; |
32f69e4b DJ |
3497 | |
3498 | if (!mlx5_core_is_mp_master(dev->mdev) || ll != IB_LINK_LAYER_ETHERNET) | |
3499 | return; | |
3500 | ||
3501 | mutex_lock(&mlx5_ib_multiport_mutex); | |
3502 | for (i = 0; i < dev->num_ports; i++) { | |
3503 | if (dev->port[i].mp.mpi) { | |
3504 | /* Destroy the native port stub */ | |
3505 | if (i == port_num) { | |
3506 | kfree(dev->port[i].mp.mpi); | |
3507 | dev->port[i].mp.mpi = NULL; | |
3508 | } else { | |
1fb7f897 MB |
3509 | mlx5_ib_dbg(dev, "unbinding port_num: %u\n", |
3510 | i + 1); | |
7ce6095e LR |
3511 | list_add_tail(&dev->port[i].mp.mpi->list, |
3512 | &mlx5_ib_unaffiliated_port_list); | |
4a754d76 LR |
3513 | mlx5_ib_unbind_slave_port(dev, |
3514 | dev->port[i].mp.mpi); | |
32f69e4b DJ |
3515 | } |
3516 | } | |
3517 | } | |
3518 | ||
3519 | mlx5_ib_dbg(dev, "removing from devlist\n"); | |
3520 | list_del(&dev->ib_dev_list); | |
3521 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
3522 | ||
3523 | mlx5_nic_vport_disable_roce(dev->mdev); | |
3524 | } | |
3525 | ||
342ee59d YH |
3526 | static int mmap_obj_cleanup(struct ib_uobject *uobject, |
3527 | enum rdma_remove_reason why, | |
3528 | struct uverbs_attr_bundle *attrs) | |
7be76bef YH |
3529 | { |
3530 | struct mlx5_user_mmap_entry *obj = uobject->object; | |
3531 | ||
3532 | rdma_user_mmap_entry_remove(&obj->rdma_entry); | |
3533 | return 0; | |
3534 | } | |
3535 | ||
342ee59d YH |
3536 | static int mlx5_rdma_user_mmap_entry_insert(struct mlx5_ib_ucontext *c, |
3537 | struct mlx5_user_mmap_entry *entry, | |
3538 | size_t length) | |
3539 | { | |
3540 | return rdma_user_mmap_entry_insert_range( | |
3541 | &c->ibucontext, &entry->rdma_entry, length, | |
3542 | (MLX5_IB_MMAP_OFFSET_START << 16), | |
3543 | ((MLX5_IB_MMAP_OFFSET_END << 16) + (1UL << 16) - 1)); | |
3544 | } | |
3545 | ||
7be76bef YH |
3546 | static struct mlx5_user_mmap_entry * |
3547 | alloc_var_entry(struct mlx5_ib_ucontext *c) | |
3548 | { | |
3549 | struct mlx5_user_mmap_entry *entry; | |
3550 | struct mlx5_var_table *var_table; | |
3551 | u32 page_idx; | |
3552 | int err; | |
3553 | ||
3554 | var_table = &to_mdev(c->ibucontext.device)->var_table; | |
3555 | entry = kzalloc(sizeof(*entry), GFP_KERNEL); | |
3556 | if (!entry) | |
3557 | return ERR_PTR(-ENOMEM); | |
3558 | ||
3559 | mutex_lock(&var_table->bitmap_lock); | |
3560 | page_idx = find_first_zero_bit(var_table->bitmap, | |
3561 | var_table->num_var_hw_entries); | |
3562 | if (page_idx >= var_table->num_var_hw_entries) { | |
3563 | err = -ENOSPC; | |
3564 | mutex_unlock(&var_table->bitmap_lock); | |
3565 | goto end; | |
3566 | } | |
3567 | ||
3568 | set_bit(page_idx, var_table->bitmap); | |
3569 | mutex_unlock(&var_table->bitmap_lock); | |
3570 | ||
3571 | entry->address = var_table->hw_start_addr + | |
3572 | (page_idx * var_table->stride_size); | |
3573 | entry->page_idx = page_idx; | |
3574 | entry->mmap_flag = MLX5_IB_MMAP_TYPE_VAR; | |
3575 | ||
342ee59d YH |
3576 | err = mlx5_rdma_user_mmap_entry_insert(c, entry, |
3577 | var_table->stride_size); | |
7be76bef YH |
3578 | if (err) |
3579 | goto err_insert; | |
3580 | ||
3581 | return entry; | |
3582 | ||
3583 | err_insert: | |
3584 | mutex_lock(&var_table->bitmap_lock); | |
3585 | clear_bit(page_idx, var_table->bitmap); | |
3586 | mutex_unlock(&var_table->bitmap_lock); | |
3587 | end: | |
3588 | kfree(entry); | |
3589 | return ERR_PTR(err); | |
3590 | } | |
3591 | ||
3592 | static int UVERBS_HANDLER(MLX5_IB_METHOD_VAR_OBJ_ALLOC)( | |
3593 | struct uverbs_attr_bundle *attrs) | |
3594 | { | |
3595 | struct ib_uobject *uobj = uverbs_attr_get_uobject( | |
3596 | attrs, MLX5_IB_ATTR_VAR_OBJ_ALLOC_HANDLE); | |
3597 | struct mlx5_ib_ucontext *c; | |
3598 | struct mlx5_user_mmap_entry *entry; | |
3599 | u64 mmap_offset; | |
3600 | u32 length; | |
3601 | int err; | |
3602 | ||
3603 | c = to_mucontext(ib_uverbs_get_ucontext(attrs)); | |
3604 | if (IS_ERR(c)) | |
3605 | return PTR_ERR(c); | |
3606 | ||
3607 | entry = alloc_var_entry(c); | |
3608 | if (IS_ERR(entry)) | |
3609 | return PTR_ERR(entry); | |
3610 | ||
3611 | mmap_offset = mlx5_entry_to_mmap_offset(entry); | |
3612 | length = entry->rdma_entry.npages * PAGE_SIZE; | |
3613 | uobj->object = entry; | |
0ac8903c | 3614 | uverbs_finalize_uobj_create(attrs, MLX5_IB_ATTR_VAR_OBJ_ALLOC_HANDLE); |
7be76bef YH |
3615 | |
3616 | err = uverbs_copy_to(attrs, MLX5_IB_ATTR_VAR_OBJ_ALLOC_MMAP_OFFSET, | |
3617 | &mmap_offset, sizeof(mmap_offset)); | |
3618 | if (err) | |
0ac8903c | 3619 | return err; |
7be76bef YH |
3620 | |
3621 | err = uverbs_copy_to(attrs, MLX5_IB_ATTR_VAR_OBJ_ALLOC_PAGE_ID, | |
3622 | &entry->page_idx, sizeof(entry->page_idx)); | |
3623 | if (err) | |
0ac8903c | 3624 | return err; |
7be76bef YH |
3625 | |
3626 | err = uverbs_copy_to(attrs, MLX5_IB_ATTR_VAR_OBJ_ALLOC_MMAP_LENGTH, | |
3627 | &length, sizeof(length)); | |
7be76bef YH |
3628 | return err; |
3629 | } | |
3630 | ||
3631 | DECLARE_UVERBS_NAMED_METHOD( | |
3632 | MLX5_IB_METHOD_VAR_OBJ_ALLOC, | |
3633 | UVERBS_ATTR_IDR(MLX5_IB_ATTR_VAR_OBJ_ALLOC_HANDLE, | |
3634 | MLX5_IB_OBJECT_VAR, | |
3635 | UVERBS_ACCESS_NEW, | |
3636 | UA_MANDATORY), | |
3637 | UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_VAR_OBJ_ALLOC_PAGE_ID, | |
3638 | UVERBS_ATTR_TYPE(u32), | |
3639 | UA_MANDATORY), | |
3640 | UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_VAR_OBJ_ALLOC_MMAP_LENGTH, | |
3641 | UVERBS_ATTR_TYPE(u32), | |
3642 | UA_MANDATORY), | |
3643 | UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_VAR_OBJ_ALLOC_MMAP_OFFSET, | |
3644 | UVERBS_ATTR_TYPE(u64), | |
3645 | UA_MANDATORY)); | |
3646 | ||
3647 | DECLARE_UVERBS_NAMED_METHOD_DESTROY( | |
3648 | MLX5_IB_METHOD_VAR_OBJ_DESTROY, | |
3649 | UVERBS_ATTR_IDR(MLX5_IB_ATTR_VAR_OBJ_DESTROY_HANDLE, | |
3650 | MLX5_IB_OBJECT_VAR, | |
3651 | UVERBS_ACCESS_DESTROY, | |
3652 | UA_MANDATORY)); | |
3653 | ||
3654 | DECLARE_UVERBS_NAMED_OBJECT(MLX5_IB_OBJECT_VAR, | |
342ee59d | 3655 | UVERBS_TYPE_ALLOC_IDR(mmap_obj_cleanup), |
7be76bef YH |
3656 | &UVERBS_METHOD(MLX5_IB_METHOD_VAR_OBJ_ALLOC), |
3657 | &UVERBS_METHOD(MLX5_IB_METHOD_VAR_OBJ_DESTROY)); | |
3658 | ||
3659 | static bool var_is_supported(struct ib_device *device) | |
3660 | { | |
3661 | struct mlx5_ib_dev *dev = to_mdev(device); | |
3662 | ||
3663 | return (MLX5_CAP_GEN_64(dev->mdev, general_obj_types) & | |
3664 | MLX5_GENERAL_OBJ_TYPES_CAP_VIRTIO_NET_Q); | |
3665 | } | |
3666 | ||
342ee59d YH |
3667 | static struct mlx5_user_mmap_entry * |
3668 | alloc_uar_entry(struct mlx5_ib_ucontext *c, | |
3669 | enum mlx5_ib_uapi_uar_alloc_type alloc_type) | |
3670 | { | |
3671 | struct mlx5_user_mmap_entry *entry; | |
3672 | struct mlx5_ib_dev *dev; | |
3673 | u32 uar_index; | |
3674 | int err; | |
3675 | ||
3676 | entry = kzalloc(sizeof(*entry), GFP_KERNEL); | |
3677 | if (!entry) | |
3678 | return ERR_PTR(-ENOMEM); | |
3679 | ||
3680 | dev = to_mdev(c->ibucontext.device); | |
d2c8a155 | 3681 | err = mlx5_cmd_uar_alloc(dev->mdev, &uar_index, c->devx_uid); |
342ee59d YH |
3682 | if (err) |
3683 | goto end; | |
3684 | ||
3685 | entry->page_idx = uar_index; | |
3686 | entry->address = uar_index2paddress(dev, uar_index); | |
3687 | if (alloc_type == MLX5_IB_UAPI_UAR_ALLOC_TYPE_BF) | |
3688 | entry->mmap_flag = MLX5_IB_MMAP_TYPE_UAR_WC; | |
3689 | else | |
3690 | entry->mmap_flag = MLX5_IB_MMAP_TYPE_UAR_NC; | |
3691 | ||
3692 | err = mlx5_rdma_user_mmap_entry_insert(c, entry, PAGE_SIZE); | |
3693 | if (err) | |
3694 | goto err_insert; | |
3695 | ||
3696 | return entry; | |
3697 | ||
3698 | err_insert: | |
d2c8a155 | 3699 | mlx5_cmd_uar_dealloc(dev->mdev, uar_index, c->devx_uid); |
342ee59d YH |
3700 | end: |
3701 | kfree(entry); | |
3702 | return ERR_PTR(err); | |
3703 | } | |
3704 | ||
3705 | static int UVERBS_HANDLER(MLX5_IB_METHOD_UAR_OBJ_ALLOC)( | |
3706 | struct uverbs_attr_bundle *attrs) | |
3707 | { | |
3708 | struct ib_uobject *uobj = uverbs_attr_get_uobject( | |
3709 | attrs, MLX5_IB_ATTR_UAR_OBJ_ALLOC_HANDLE); | |
3710 | enum mlx5_ib_uapi_uar_alloc_type alloc_type; | |
3711 | struct mlx5_ib_ucontext *c; | |
3712 | struct mlx5_user_mmap_entry *entry; | |
3713 | u64 mmap_offset; | |
3714 | u32 length; | |
3715 | int err; | |
3716 | ||
3717 | c = to_mucontext(ib_uverbs_get_ucontext(attrs)); | |
3718 | if (IS_ERR(c)) | |
3719 | return PTR_ERR(c); | |
3720 | ||
3721 | err = uverbs_get_const(&alloc_type, attrs, | |
3722 | MLX5_IB_ATTR_UAR_OBJ_ALLOC_TYPE); | |
3723 | if (err) | |
3724 | return err; | |
3725 | ||
3726 | if (alloc_type != MLX5_IB_UAPI_UAR_ALLOC_TYPE_BF && | |
3727 | alloc_type != MLX5_IB_UAPI_UAR_ALLOC_TYPE_NC) | |
3728 | return -EOPNOTSUPP; | |
3729 | ||
d98995b4 | 3730 | if (!mlx5_wc_support_get(to_mdev(c->ibucontext.device)->mdev) && |
342ee59d YH |
3731 | alloc_type == MLX5_IB_UAPI_UAR_ALLOC_TYPE_BF) |
3732 | return -EOPNOTSUPP; | |
3733 | ||
3734 | entry = alloc_uar_entry(c, alloc_type); | |
3735 | if (IS_ERR(entry)) | |
3736 | return PTR_ERR(entry); | |
3737 | ||
3738 | mmap_offset = mlx5_entry_to_mmap_offset(entry); | |
3739 | length = entry->rdma_entry.npages * PAGE_SIZE; | |
3740 | uobj->object = entry; | |
0ac8903c | 3741 | uverbs_finalize_uobj_create(attrs, MLX5_IB_ATTR_UAR_OBJ_ALLOC_HANDLE); |
342ee59d YH |
3742 | |
3743 | err = uverbs_copy_to(attrs, MLX5_IB_ATTR_UAR_OBJ_ALLOC_MMAP_OFFSET, | |
3744 | &mmap_offset, sizeof(mmap_offset)); | |
3745 | if (err) | |
0ac8903c | 3746 | return err; |
342ee59d YH |
3747 | |
3748 | err = uverbs_copy_to(attrs, MLX5_IB_ATTR_UAR_OBJ_ALLOC_PAGE_ID, | |
3749 | &entry->page_idx, sizeof(entry->page_idx)); | |
3750 | if (err) | |
0ac8903c | 3751 | return err; |
342ee59d YH |
3752 | |
3753 | err = uverbs_copy_to(attrs, MLX5_IB_ATTR_UAR_OBJ_ALLOC_MMAP_LENGTH, | |
3754 | &length, sizeof(length)); | |
342ee59d YH |
3755 | return err; |
3756 | } | |
3757 | ||
3758 | DECLARE_UVERBS_NAMED_METHOD( | |
3759 | MLX5_IB_METHOD_UAR_OBJ_ALLOC, | |
3760 | UVERBS_ATTR_IDR(MLX5_IB_ATTR_UAR_OBJ_ALLOC_HANDLE, | |
3761 | MLX5_IB_OBJECT_UAR, | |
3762 | UVERBS_ACCESS_NEW, | |
3763 | UA_MANDATORY), | |
3764 | UVERBS_ATTR_CONST_IN(MLX5_IB_ATTR_UAR_OBJ_ALLOC_TYPE, | |
3765 | enum mlx5_ib_uapi_uar_alloc_type, | |
3766 | UA_MANDATORY), | |
3767 | UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_UAR_OBJ_ALLOC_PAGE_ID, | |
3768 | UVERBS_ATTR_TYPE(u32), | |
3769 | UA_MANDATORY), | |
3770 | UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_UAR_OBJ_ALLOC_MMAP_LENGTH, | |
3771 | UVERBS_ATTR_TYPE(u32), | |
3772 | UA_MANDATORY), | |
3773 | UVERBS_ATTR_PTR_OUT(MLX5_IB_ATTR_UAR_OBJ_ALLOC_MMAP_OFFSET, | |
3774 | UVERBS_ATTR_TYPE(u64), | |
3775 | UA_MANDATORY)); | |
3776 | ||
3777 | DECLARE_UVERBS_NAMED_METHOD_DESTROY( | |
3778 | MLX5_IB_METHOD_UAR_OBJ_DESTROY, | |
3779 | UVERBS_ATTR_IDR(MLX5_IB_ATTR_UAR_OBJ_DESTROY_HANDLE, | |
3780 | MLX5_IB_OBJECT_UAR, | |
3781 | UVERBS_ACCESS_DESTROY, | |
3782 | UA_MANDATORY)); | |
3783 | ||
3784 | DECLARE_UVERBS_NAMED_OBJECT(MLX5_IB_OBJECT_UAR, | |
3785 | UVERBS_TYPE_ALLOC_IDR(mmap_obj_cleanup), | |
3786 | &UVERBS_METHOD(MLX5_IB_METHOD_UAR_OBJ_ALLOC), | |
3787 | &UVERBS_METHOD(MLX5_IB_METHOD_UAR_OBJ_DESTROY)); | |
3788 | ||
0fb556b2 YH |
3789 | ADD_UVERBS_ATTRIBUTES_SIMPLE( |
3790 | mlx5_ib_query_context, | |
3791 | UVERBS_OBJECT_DEVICE, | |
3792 | UVERBS_METHOD_QUERY_CONTEXT, | |
3793 | UVERBS_ATTR_PTR_OUT( | |
3794 | MLX5_IB_ATTR_QUERY_CONTEXT_RESP_UCTX, | |
3795 | UVERBS_ATTR_STRUCT(struct mlx5_ib_alloc_ucontext_resp, | |
3796 | dump_fill_mkey), | |
3797 | UA_MANDATORY)); | |
3798 | ||
0cbf432d | 3799 | static const struct uapi_definition mlx5_ib_defs[] = { |
36e235c8 | 3800 | UAPI_DEF_CHAIN(mlx5_ib_devx_defs), |
0cbf432d | 3801 | UAPI_DEF_CHAIN(mlx5_ib_flow_defs), |
30f2fe40 | 3802 | UAPI_DEF_CHAIN(mlx5_ib_qos_defs), |
05f71ef9 | 3803 | UAPI_DEF_CHAIN(mlx5_ib_std_types_defs), |
831df883 | 3804 | UAPI_DEF_CHAIN(mlx5_ib_dm_defs), |
589b844f | 3805 | UAPI_DEF_CHAIN(mlx5_ib_create_cq_defs), |
8c84660b | 3806 | |
0fb556b2 | 3807 | UAPI_DEF_CHAIN_OBJ_TREE(UVERBS_OBJECT_DEVICE, &mlx5_ib_query_context), |
7be76bef YH |
3808 | UAPI_DEF_CHAIN_OBJ_TREE_NAMED(MLX5_IB_OBJECT_VAR, |
3809 | UAPI_DEF_IS_OBJ_SUPPORTED(var_is_supported)), | |
342ee59d | 3810 | UAPI_DEF_CHAIN_OBJ_TREE_NAMED(MLX5_IB_OBJECT_UAR), |
0cbf432d JG |
3811 | {} |
3812 | }; | |
8c84660b | 3813 | |
fb652d32 | 3814 | static void mlx5_ib_stage_init_cleanup(struct mlx5_ib_dev *dev) |
e126ba97 | 3815 | { |
32f69e4b | 3816 | mlx5_ib_cleanup_multiport_master(dev); |
806b101b | 3817 | WARN_ON(!xa_empty(&dev->odp_mkeys)); |
ab40530a | 3818 | mutex_destroy(&dev->cap_mask_mutex); |
50211ec9 | 3819 | WARN_ON(!xa_empty(&dev->sig_mrs)); |
4056b12e | 3820 | WARN_ON(!bitmap_empty(dev->dm.memic_alloc_pages, MLX5_MAX_MEMIC_PAGES)); |
758ce14a | 3821 | mlx5r_macsec_dealloc_gids(dev); |
16c1975f MB |
3822 | } |
3823 | ||
fb652d32 | 3824 | static int mlx5_ib_stage_init_init(struct mlx5_ib_dev *dev) |
16c1975f MB |
3825 | { |
3826 | struct mlx5_core_dev *mdev = dev->mdev; | |
758ce14a | 3827 | int err, i; |
e126ba97 | 3828 | |
13179652 PP |
3829 | dev->ib_dev.node_type = RDMA_NODE_IB_CA; |
3830 | dev->ib_dev.local_dma_lkey = 0 /* not supported for now */; | |
3831 | dev->ib_dev.phys_port_cnt = dev->num_ports; | |
3832 | dev->ib_dev.dev.parent = mdev->device; | |
3833 | dev->ib_dev.lag_flags = RDMA_LAG_FLAGS_HASH_ALL_SLAVES; | |
3834 | ||
32f69e4b DJ |
3835 | for (i = 0; i < dev->num_ports; i++) { |
3836 | spin_lock_init(&dev->port[i].mp.mpi_lock); | |
95579e78 | 3837 | rwlock_init(&dev->port[i].roce.netdev_lock); |
d3b5cc1c MB |
3838 | dev->port[i].roce.dev = dev; |
3839 | dev->port[i].roce.native_port_num = i + 1; | |
3840 | dev->port[i].roce.last_port_state = IB_PORT_DOWN; | |
32f69e4b DJ |
3841 | } |
3842 | ||
594cac11 OHT |
3843 | err = mlx5r_cmd_query_special_mkeys(dev); |
3844 | if (err) | |
3845 | return err; | |
3846 | ||
58dbd642 | 3847 | err = mlx5r_macsec_init_gids_and_devlist(dev); |
e126ba97 | 3848 | if (err) |
da796ccb | 3849 | return err; |
e126ba97 | 3850 | |
758ce14a PH |
3851 | err = mlx5_ib_init_multiport_master(dev); |
3852 | if (err) | |
3853 | goto err; | |
3854 | ||
a989ea01 MB |
3855 | err = set_has_smi_cap(dev); |
3856 | if (err) | |
2cb091f6 | 3857 | goto err_mp; |
e126ba97 | 3858 | |
2019d70e PP |
3859 | err = mlx5_query_max_pkeys(&dev->ib_dev, &dev->pkey_table_len); |
3860 | if (err) | |
3861 | goto err_mp; | |
3862 | ||
1b5daf11 MD |
3863 | if (mlx5_use_mad_ifc(dev)) |
3864 | get_ext_port_caps(dev); | |
e126ba97 | 3865 | |
674dd4e2 | 3866 | dev->ib_dev.num_comp_vectors = mlx5_comp_vectors_max(mdev); |
e126ba97 | 3867 | |
3cc297db MB |
3868 | mutex_init(&dev->cap_mask_mutex); |
3869 | INIT_LIST_HEAD(&dev->qp_list); | |
3870 | spin_lock_init(&dev->reset_flow_resource_lock); | |
806b101b | 3871 | xa_init(&dev->odp_mkeys); |
50211ec9 | 3872 | xa_init(&dev->sig_mrs); |
f743ff3b | 3873 | atomic_set(&dev->mkey_var, 0); |
3cc297db | 3874 | |
3b113a1e AL |
3875 | spin_lock_init(&dev->dm.lock); |
3876 | dev->dm.dev = mdev; | |
16c1975f | 3877 | return 0; |
32f69e4b DJ |
3878 | err_mp: |
3879 | mlx5_ib_cleanup_multiport_master(dev); | |
81497c14 YH |
3880 | err: |
3881 | mlx5r_macsec_dealloc_gids(dev); | |
d286ac1d | 3882 | return err; |
16c1975f MB |
3883 | } |
3884 | ||
026a4259 MZ |
3885 | static struct ib_device *mlx5_ib_add_sub_dev(struct ib_device *parent, |
3886 | enum rdma_nl_dev_type type, | |
3887 | const char *name); | |
3888 | static void mlx5_ib_del_sub_dev(struct ib_device *sub_dev); | |
3889 | ||
96458233 | 3890 | static const struct ib_device_ops mlx5_ib_dev_ops = { |
7a154142 | 3891 | .owner = THIS_MODULE, |
b9560a41 | 3892 | .driver_id = RDMA_DRIVER_MLX5, |
72c6ec18 | 3893 | .uverbs_abi_ver = MLX5_IB_UVERBS_ABI_VERSION, |
b9560a41 | 3894 | |
96458233 | 3895 | .add_gid = mlx5_ib_add_gid, |
026a4259 | 3896 | .add_sub_dev = mlx5_ib_add_sub_dev, |
96458233 | 3897 | .alloc_mr = mlx5_ib_alloc_mr, |
6c984472 | 3898 | .alloc_mr_integrity = mlx5_ib_alloc_mr_integrity, |
96458233 KH |
3899 | .alloc_pd = mlx5_ib_alloc_pd, |
3900 | .alloc_ucontext = mlx5_ib_alloc_ucontext, | |
3901 | .attach_mcast = mlx5_ib_mcg_attach, | |
3902 | .check_mr_status = mlx5_ib_check_mr_status, | |
3903 | .create_ah = mlx5_ib_create_ah, | |
96458233 | 3904 | .create_cq = mlx5_ib_create_cq, |
96458233 KH |
3905 | .create_qp = mlx5_ib_create_qp, |
3906 | .create_srq = mlx5_ib_create_srq, | |
676a80ad | 3907 | .create_user_ah = mlx5_ib_create_ah, |
96458233 KH |
3908 | .dealloc_pd = mlx5_ib_dealloc_pd, |
3909 | .dealloc_ucontext = mlx5_ib_dealloc_ucontext, | |
3910 | .del_gid = mlx5_ib_del_gid, | |
026a4259 | 3911 | .del_sub_dev = mlx5_ib_del_sub_dev, |
96458233 KH |
3912 | .dereg_mr = mlx5_ib_dereg_mr, |
3913 | .destroy_ah = mlx5_ib_destroy_ah, | |
96458233 | 3914 | .destroy_cq = mlx5_ib_destroy_cq, |
96458233 KH |
3915 | .destroy_qp = mlx5_ib_destroy_qp, |
3916 | .destroy_srq = mlx5_ib_destroy_srq, | |
3917 | .detach_mcast = mlx5_ib_mcg_detach, | |
3918 | .disassociate_ucontext = mlx5_ib_disassociate_ucontext, | |
3919 | .drain_rq = mlx5_ib_drain_rq, | |
3920 | .drain_sq = mlx5_ib_drain_sq, | |
915e4af5 | 3921 | .device_group = &mlx5_attr_group, |
96458233 KH |
3922 | .get_dev_fw_str = get_dev_fw_str, |
3923 | .get_dma_mr = mlx5_ib_get_dma_mr, | |
3924 | .get_link_layer = mlx5_ib_port_link_layer, | |
3925 | .map_mr_sg = mlx5_ib_map_mr_sg, | |
6c984472 | 3926 | .map_mr_sg_pi = mlx5_ib_map_mr_sg_pi, |
96458233 | 3927 | .mmap = mlx5_ib_mmap, |
dc2316eb | 3928 | .mmap_free = mlx5_ib_mmap_free, |
96458233 KH |
3929 | .modify_cq = mlx5_ib_modify_cq, |
3930 | .modify_device = mlx5_ib_modify_device, | |
3931 | .modify_port = mlx5_ib_modify_port, | |
3932 | .modify_qp = mlx5_ib_modify_qp, | |
3933 | .modify_srq = mlx5_ib_modify_srq, | |
3934 | .poll_cq = mlx5_ib_poll_cq, | |
029e88fd LR |
3935 | .post_recv = mlx5_ib_post_recv_nodrain, |
3936 | .post_send = mlx5_ib_post_send_nodrain, | |
96458233 KH |
3937 | .post_srq_recv = mlx5_ib_post_srq_recv, |
3938 | .process_mad = mlx5_ib_process_mad, | |
3939 | .query_ah = mlx5_ib_query_ah, | |
3940 | .query_device = mlx5_ib_query_device, | |
3941 | .query_gid = mlx5_ib_query_gid, | |
3942 | .query_pkey = mlx5_ib_query_pkey, | |
3943 | .query_qp = mlx5_ib_query_qp, | |
3944 | .query_srq = mlx5_ib_query_srq, | |
0fb556b2 | 3945 | .query_ucontext = mlx5_ib_query_ucontext, |
96458233 | 3946 | .reg_user_mr = mlx5_ib_reg_user_mr, |
90da7dc8 | 3947 | .reg_user_mr_dmabuf = mlx5_ib_reg_user_mr_dmabuf, |
96458233 KH |
3948 | .req_notify_cq = mlx5_ib_arm_cq, |
3949 | .rereg_user_mr = mlx5_ib_rereg_user_mr, | |
3950 | .resize_cq = mlx5_ib_resize_cq, | |
d3456914 LR |
3951 | |
3952 | INIT_RDMA_OBJ_SIZE(ib_ah, mlx5_ib_ah, ibah), | |
3b023e1b | 3953 | INIT_RDMA_OBJ_SIZE(ib_counters, mlx5_ib_mcounters, ibcntrs), |
e39afe3d | 3954 | INIT_RDMA_OBJ_SIZE(ib_cq, mlx5_ib_cq, ibcq), |
21a428a0 | 3955 | INIT_RDMA_OBJ_SIZE(ib_pd, mlx5_ib_pd, ibpd), |
514aee66 | 3956 | INIT_RDMA_OBJ_SIZE(ib_qp, mlx5_ib_qp, ibqp), |
68e326de | 3957 | INIT_RDMA_OBJ_SIZE(ib_srq, mlx5_ib_srq, ibsrq), |
a2a074ef | 3958 | INIT_RDMA_OBJ_SIZE(ib_ucontext, mlx5_ib_ucontext, ibucontext), |
96458233 KH |
3959 | }; |
3960 | ||
96458233 KH |
3961 | static const struct ib_device_ops mlx5_ib_dev_ipoib_enhanced_ops = { |
3962 | .rdma_netdev_get_params = mlx5_ib_rn_get_params, | |
3963 | }; | |
3964 | ||
3965 | static const struct ib_device_ops mlx5_ib_dev_sriov_ops = { | |
3966 | .get_vf_config = mlx5_ib_get_vf_config, | |
9c0015ef | 3967 | .get_vf_guid = mlx5_ib_get_vf_guid, |
96458233 KH |
3968 | .get_vf_stats = mlx5_ib_get_vf_stats, |
3969 | .set_vf_guid = mlx5_ib_set_vf_guid, | |
3970 | .set_vf_link_state = mlx5_ib_set_vf_link_state, | |
3971 | }; | |
3972 | ||
3973 | static const struct ib_device_ops mlx5_ib_dev_mw_ops = { | |
3974 | .alloc_mw = mlx5_ib_alloc_mw, | |
3975 | .dealloc_mw = mlx5_ib_dealloc_mw, | |
d18bb3e1 LR |
3976 | |
3977 | INIT_RDMA_OBJ_SIZE(ib_mw, mlx5_ib_mw, ibmw), | |
96458233 KH |
3978 | }; |
3979 | ||
3980 | static const struct ib_device_ops mlx5_ib_dev_xrc_ops = { | |
3981 | .alloc_xrcd = mlx5_ib_alloc_xrcd, | |
3982 | .dealloc_xrcd = mlx5_ib_dealloc_xrcd, | |
28ad5f65 LR |
3983 | |
3984 | INIT_RDMA_OBJ_SIZE(ib_xrcd, mlx5_ib_xrcd, ibxrcd), | |
96458233 KH |
3985 | }; |
3986 | ||
f164be8c YH |
3987 | static int mlx5_ib_init_var_table(struct mlx5_ib_dev *dev) |
3988 | { | |
3989 | struct mlx5_core_dev *mdev = dev->mdev; | |
3990 | struct mlx5_var_table *var_table = &dev->var_table; | |
3991 | u8 log_doorbell_bar_size; | |
3992 | u8 log_doorbell_stride; | |
3993 | u64 bar_size; | |
3994 | ||
3995 | log_doorbell_bar_size = MLX5_CAP_DEV_VDPA_EMULATION(mdev, | |
3996 | log_doorbell_bar_size); | |
3997 | log_doorbell_stride = MLX5_CAP_DEV_VDPA_EMULATION(mdev, | |
3998 | log_doorbell_stride); | |
3999 | var_table->hw_start_addr = dev->mdev->bar_addr + | |
4000 | MLX5_CAP64_DEV_VDPA_EMULATION(mdev, | |
4001 | doorbell_bar_offset); | |
4002 | bar_size = (1ULL << log_doorbell_bar_size) * 4096; | |
4003 | var_table->stride_size = 1ULL << log_doorbell_stride; | |
91b74bf5 AL |
4004 | var_table->num_var_hw_entries = div_u64(bar_size, |
4005 | var_table->stride_size); | |
f164be8c YH |
4006 | mutex_init(&var_table->bitmap_lock); |
4007 | var_table->bitmap = bitmap_zalloc(var_table->num_var_hw_entries, | |
4008 | GFP_KERNEL); | |
4009 | return (var_table->bitmap) ? 0 : -ENOMEM; | |
4010 | } | |
4011 | ||
4012 | static void mlx5_ib_stage_caps_cleanup(struct mlx5_ib_dev *dev) | |
4013 | { | |
4014 | bitmap_free(dev->var_table.bitmap); | |
4015 | } | |
4016 | ||
fb652d32 | 4017 | static int mlx5_ib_stage_caps_init(struct mlx5_ib_dev *dev) |
16c1975f MB |
4018 | { |
4019 | struct mlx5_core_dev *mdev = dev->mdev; | |
16c1975f MB |
4020 | int err; |
4021 | ||
f6a8a19b DD |
4022 | if (MLX5_CAP_GEN(mdev, ipoib_enhanced_offloads) && |
4023 | IS_ENABLED(CONFIG_MLX5_CORE_IPOIB)) | |
96458233 KH |
4024 | ib_set_device_ops(&dev->ib_dev, |
4025 | &mlx5_ib_dev_ipoib_enhanced_ops); | |
8e959601 | 4026 | |
96458233 KH |
4027 | if (mlx5_core_is_pf(mdev)) |
4028 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_sriov_ops); | |
7c2344c3 | 4029 | |
6e8484c5 MG |
4030 | dev->umr_fence = mlx5_get_umr_fence(MLX5_CAP_GEN(mdev, umr_fence)); |
4031 | ||
44ce37bc | 4032 | if (MLX5_CAP_GEN(mdev, imaicl)) |
96458233 | 4033 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_mw_ops); |
d2370e0a | 4034 | |
44ce37bc | 4035 | if (MLX5_CAP_GEN(mdev, xrc)) |
96458233 | 4036 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_xrc_ops); |
e126ba97 | 4037 | |
25c13324 AL |
4038 | if (MLX5_CAP_DEV_MEM(mdev, memic) || |
4039 | MLX5_CAP_GEN_64(dev->mdev, general_obj_types) & | |
4040 | MLX5_GENERAL_OBJ_TYPES_CAP_SW_ICM) | |
96458233 | 4041 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_dm_ops); |
24da0016 | 4042 | |
96458233 | 4043 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_ops); |
81e30880 | 4044 | |
36e235c8 JG |
4045 | if (IS_ENABLED(CONFIG_INFINIBAND_USER_ACCESS)) |
4046 | dev->ib_dev.driver_def = mlx5_ib_defs; | |
81e30880 | 4047 | |
e126ba97 EC |
4048 | err = init_node_data(dev); |
4049 | if (err) | |
16c1975f | 4050 | return err; |
e126ba97 | 4051 | |
c8b89924 | 4052 | if ((MLX5_CAP_GEN(dev->mdev, port_type) == MLX5_CAP_PORT_TYPE_ETH) && |
e7996a9a JG |
4053 | (MLX5_CAP_GEN(dev->mdev, disable_local_lb_uc) || |
4054 | MLX5_CAP_GEN(dev->mdev, disable_local_lb_mc))) | |
a560f1d9 | 4055 | mutex_init(&dev->lb.mutex); |
c8b89924 | 4056 | |
f164be8c YH |
4057 | if (MLX5_CAP_GEN_64(dev->mdev, general_obj_types) & |
4058 | MLX5_GENERAL_OBJ_TYPES_CAP_VIRTIO_NET_Q) { | |
4059 | err = mlx5_ib_init_var_table(dev); | |
4060 | if (err) | |
4061 | return err; | |
4062 | } | |
4063 | ||
96e2fd73 LR |
4064 | dev->ib_dev.use_cq_dim = true; |
4065 | ||
16c1975f MB |
4066 | return 0; |
4067 | } | |
4068 | ||
96458233 KH |
4069 | static const struct ib_device_ops mlx5_ib_dev_port_ops = { |
4070 | .get_port_immutable = mlx5_port_immutable, | |
4071 | .query_port = mlx5_ib_query_port, | |
4072 | }; | |
4073 | ||
8e6efa3a MB |
4074 | static int mlx5_ib_stage_non_default_cb(struct mlx5_ib_dev *dev) |
4075 | { | |
96458233 | 4076 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_port_ops); |
8e6efa3a MB |
4077 | return 0; |
4078 | } | |
4079 | ||
96458233 KH |
4080 | static const struct ib_device_ops mlx5_ib_dev_port_rep_ops = { |
4081 | .get_port_immutable = mlx5_port_rep_immutable, | |
4082 | .query_port = mlx5_ib_rep_query_port, | |
d6fd59e1 | 4083 | .query_pkey = mlx5_ib_rep_query_pkey, |
96458233 KH |
4084 | }; |
4085 | ||
b5a498ba | 4086 | static int mlx5_ib_stage_raw_eth_non_default_cb(struct mlx5_ib_dev *dev) |
8e6efa3a | 4087 | { |
96458233 | 4088 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_port_rep_ops); |
8e6efa3a MB |
4089 | return 0; |
4090 | } | |
4091 | ||
96458233 KH |
4092 | static const struct ib_device_ops mlx5_ib_dev_common_roce_ops = { |
4093 | .create_rwq_ind_table = mlx5_ib_create_rwq_ind_table, | |
4094 | .create_wq = mlx5_ib_create_wq, | |
4095 | .destroy_rwq_ind_table = mlx5_ib_destroy_rwq_ind_table, | |
4096 | .destroy_wq = mlx5_ib_destroy_wq, | |
4097 | .get_netdev = mlx5_ib_get_netdev, | |
4098 | .modify_wq = mlx5_ib_modify_wq, | |
c0a6b5ec LR |
4099 | |
4100 | INIT_RDMA_OBJ_SIZE(ib_rwq_ind_table, mlx5_ib_rwq_ind_table, | |
4101 | ib_rwq_ind_tbl), | |
96458233 KH |
4102 | }; |
4103 | ||
1e2b5a90 | 4104 | static int mlx5_ib_roce_init(struct mlx5_ib_dev *dev) |
16c1975f MB |
4105 | { |
4106 | struct mlx5_core_dev *mdev = dev->mdev; | |
4107 | enum rdma_link_layer ll; | |
4108 | int port_type_cap; | |
1fb7f897 | 4109 | u32 port_num = 0; |
16c1975f MB |
4110 | int err; |
4111 | ||
4112 | port_type_cap = MLX5_CAP_GEN(mdev, port_type); | |
4113 | ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
4114 | ||
fc24fc5e | 4115 | if (ll == IB_LINK_LAYER_ETHERNET) { |
1e2b5a90 LR |
4116 | ib_set_device_ops(&dev->ib_dev, &mlx5_ib_dev_common_roce_ops); |
4117 | ||
4118 | port_num = mlx5_core_native_port_num(dev->mdev) - 1; | |
4119 | ||
4120 | /* Register only for native ports */ | |
dca55da0 | 4121 | mlx5_mdev_netdev_track(dev, port_num); |
7fd8aefb | 4122 | |
e3f1ed1f | 4123 | err = mlx5_enable_eth(dev); |
fc24fc5e | 4124 | if (err) |
8e6efa3a | 4125 | goto cleanup; |
fc24fc5e AS |
4126 | } |
4127 | ||
16c1975f | 4128 | return 0; |
8e6efa3a | 4129 | cleanup: |
dca55da0 | 4130 | mlx5_mdev_netdev_untrack(dev, port_num); |
8e6efa3a | 4131 | return err; |
16c1975f | 4132 | } |
e126ba97 | 4133 | |
1e2b5a90 | 4134 | static void mlx5_ib_roce_cleanup(struct mlx5_ib_dev *dev) |
16c1975f MB |
4135 | { |
4136 | struct mlx5_core_dev *mdev = dev->mdev; | |
4137 | enum rdma_link_layer ll; | |
4138 | int port_type_cap; | |
1fb7f897 | 4139 | u32 port_num; |
e126ba97 | 4140 | |
16c1975f MB |
4141 | port_type_cap = MLX5_CAP_GEN(mdev, port_type); |
4142 | ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
4143 | ||
4144 | if (ll == IB_LINK_LAYER_ETHERNET) { | |
c446d9da | 4145 | mlx5_disable_eth(dev); |
5e1e7612 | 4146 | |
1e2b5a90 | 4147 | port_num = mlx5_core_native_port_num(dev->mdev) - 1; |
dca55da0 | 4148 | mlx5_mdev_netdev_untrack(dev, port_num); |
5e1e7612 | 4149 | } |
16c1975f MB |
4150 | } |
4151 | ||
4152 | static int mlx5_ib_stage_cong_debugfs_init(struct mlx5_ib_dev *dev) | |
4153 | { | |
73eb8f03 GKH |
4154 | mlx5_ib_init_cong_debugfs(dev, |
4155 | mlx5_core_native_port_num(dev->mdev) - 1); | |
4156 | return 0; | |
16c1975f MB |
4157 | } |
4158 | ||
4159 | static void mlx5_ib_stage_cong_debugfs_cleanup(struct mlx5_ib_dev *dev) | |
4160 | { | |
a9e546e7 PP |
4161 | mlx5_ib_cleanup_cong_debugfs(dev, |
4162 | mlx5_core_native_port_num(dev->mdev) - 1); | |
16c1975f MB |
4163 | } |
4164 | ||
4165 | static int mlx5_ib_stage_uar_init(struct mlx5_ib_dev *dev) | |
4166 | { | |
5fe9dec0 | 4167 | dev->mdev->priv.uar = mlx5_get_uars_page(dev->mdev); |
444261ca | 4168 | return PTR_ERR_OR_ZERO(dev->mdev->priv.uar); |
16c1975f MB |
4169 | } |
4170 | ||
4171 | static void mlx5_ib_stage_uar_cleanup(struct mlx5_ib_dev *dev) | |
4172 | { | |
4173 | mlx5_put_uars_page(dev->mdev, dev->mdev->priv.uar); | |
4174 | } | |
4175 | ||
fb652d32 | 4176 | static int mlx5_ib_stage_bfrag_init(struct mlx5_ib_dev *dev) |
16c1975f MB |
4177 | { |
4178 | int err; | |
5fe9dec0 EC |
4179 | |
4180 | err = mlx5_alloc_bfreg(dev->mdev, &dev->bfreg, false, false); | |
4181 | if (err) | |
16c1975f | 4182 | return err; |
5fe9dec0 EC |
4183 | |
4184 | err = mlx5_alloc_bfreg(dev->mdev, &dev->fp_bfreg, false, true); | |
4185 | if (err) | |
1c3aa6bd | 4186 | mlx5_free_bfreg(dev->mdev, &dev->bfreg); |
5fe9dec0 | 4187 | |
16c1975f MB |
4188 | return err; |
4189 | } | |
0837e86a | 4190 | |
fb652d32 | 4191 | static void mlx5_ib_stage_bfrag_cleanup(struct mlx5_ib_dev *dev) |
16c1975f MB |
4192 | { |
4193 | mlx5_free_bfreg(dev->mdev, &dev->fp_bfreg); | |
4194 | mlx5_free_bfreg(dev->mdev, &dev->bfreg); | |
4195 | } | |
e126ba97 | 4196 | |
fb652d32 | 4197 | static int mlx5_ib_stage_ib_reg_init(struct mlx5_ib_dev *dev) |
16c1975f | 4198 | { |
e349f858 JG |
4199 | const char *name; |
4200 | ||
af48f954 | 4201 | if (dev->sub_dev_name) { |
026a4259 | 4202 | name = dev->sub_dev_name; |
af48f954 MZ |
4203 | ib_mark_name_assigned_by_user(&dev->ib_dev); |
4204 | } else if (!mlx5_lag_is_active(dev->mdev)) | |
e349f858 JG |
4205 | name = "mlx5_%d"; |
4206 | else | |
4207 | name = "mlx5_bond_%d"; | |
e0477b34 | 4208 | return ib_register_device(&dev->ib_dev, name, &dev->mdev->pdev->dev); |
16c1975f MB |
4209 | } |
4210 | ||
fb652d32 | 4211 | static void mlx5_ib_stage_pre_ib_reg_umr_cleanup(struct mlx5_ib_dev *dev) |
16c1975f | 4212 | { |
85f9e38a | 4213 | mlx5_mkey_cache_cleanup(dev); |
04876c12 | 4214 | mlx5r_umr_resource_cleanup(dev); |
63842011 | 4215 | mlx5r_umr_cleanup(dev); |
16c1975f MB |
4216 | } |
4217 | ||
fb652d32 | 4218 | static void mlx5_ib_stage_ib_reg_cleanup(struct mlx5_ib_dev *dev) |
16c1975f | 4219 | { |
42cea83f | 4220 | ib_unregister_device(&dev->ib_dev); |
16c1975f MB |
4221 | } |
4222 | ||
fb652d32 | 4223 | static int mlx5_ib_stage_post_ib_reg_umr_init(struct mlx5_ib_dev *dev) |
16c1975f | 4224 | { |
1e2b5a90 LR |
4225 | int ret; |
4226 | ||
63842011 | 4227 | ret = mlx5r_umr_init(dev); |
04876c12 AL |
4228 | if (ret) |
4229 | return ret; | |
1e2b5a90 | 4230 | |
01137808 | 4231 | ret = mlx5_mkey_cache_init(dev); |
2ef422f0 | 4232 | if (ret) |
1e2b5a90 | 4233 | mlx5_ib_warn(dev, "mr cache init failed %d\n", ret); |
1e2b5a90 | 4234 | return ret; |
16c1975f MB |
4235 | } |
4236 | ||
4237 | static int mlx5_ib_stage_delay_drop_init(struct mlx5_ib_dev *dev) | |
4238 | { | |
1e2b5a90 LR |
4239 | struct dentry *root; |
4240 | ||
4241 | if (!(dev->ib_dev.attrs.raw_packet_caps & IB_RAW_PACKET_CAP_DELAY_DROP)) | |
4242 | return 0; | |
4243 | ||
4244 | mutex_init(&dev->delay_drop.lock); | |
4245 | dev->delay_drop.dev = dev; | |
4246 | dev->delay_drop.activate = false; | |
4247 | dev->delay_drop.timeout = MLX5_MAX_DELAY_DROP_TIMEOUT_MS * 1000; | |
4248 | INIT_WORK(&dev->delay_drop.delay_drop_work, delay_drop_handler); | |
4249 | atomic_set(&dev->delay_drop.rqs_cnt, 0); | |
4250 | atomic_set(&dev->delay_drop.events_cnt, 0); | |
4251 | ||
4252 | if (!mlx5_debugfs_root) | |
4253 | return 0; | |
03404e8a | 4254 | |
66771a1c | 4255 | root = debugfs_create_dir("delay_drop", mlx5_debugfs_get_dev_root(dev->mdev)); |
1e2b5a90 | 4256 | dev->delay_drop.dir_debugfs = root; |
03404e8a | 4257 | |
1e2b5a90 LR |
4258 | debugfs_create_atomic_t("num_timeout_events", 0400, root, |
4259 | &dev->delay_drop.events_cnt); | |
4260 | debugfs_create_atomic_t("num_rqs", 0400, root, | |
4261 | &dev->delay_drop.rqs_cnt); | |
4262 | debugfs_create_file("timeout", 0600, root, &dev->delay_drop, | |
4263 | &fops_delay_drop_timeout); | |
16c1975f MB |
4264 | return 0; |
4265 | } | |
4266 | ||
4267 | static void mlx5_ib_stage_delay_drop_cleanup(struct mlx5_ib_dev *dev) | |
4268 | { | |
1e2b5a90 LR |
4269 | if (!(dev->ib_dev.attrs.raw_packet_caps & IB_RAW_PACKET_CAP_DELAY_DROP)) |
4270 | return; | |
4271 | ||
4272 | cancel_work_sync(&dev->delay_drop.delay_drop_work); | |
4273 | if (!dev->delay_drop.dir_debugfs) | |
4274 | return; | |
4275 | ||
4276 | debugfs_remove_recursive(dev->delay_drop.dir_debugfs); | |
4277 | dev->delay_drop.dir_debugfs = NULL; | |
16c1975f MB |
4278 | } |
4279 | ||
df097a27 SM |
4280 | static int mlx5_ib_stage_dev_notifier_init(struct mlx5_ib_dev *dev) |
4281 | { | |
4282 | dev->mdev_events.notifier_call = mlx5_ib_event; | |
4283 | mlx5_notifier_register(dev->mdev, &dev->mdev_events); | |
58dbd642 PH |
4284 | |
4285 | mlx5r_macsec_event_register(dev); | |
4286 | ||
df097a27 SM |
4287 | return 0; |
4288 | } | |
4289 | ||
4290 | static void mlx5_ib_stage_dev_notifier_cleanup(struct mlx5_ib_dev *dev) | |
4291 | { | |
58dbd642 | 4292 | mlx5r_macsec_event_unregister(dev); |
df097a27 SM |
4293 | mlx5_notifier_unregister(dev->mdev, &dev->mdev_events); |
4294 | } | |
4295 | ||
b5ca15ad MB |
4296 | void __mlx5_ib_remove(struct mlx5_ib_dev *dev, |
4297 | const struct mlx5_ib_profile *profile, | |
4298 | int stage) | |
16c1975f | 4299 | { |
4cca96a8 PP |
4300 | dev->ib_active = false; |
4301 | ||
16c1975f MB |
4302 | /* Number of stages to cleanup */ |
4303 | while (stage) { | |
4304 | stage--; | |
4305 | if (profile->stage[stage].cleanup) | |
4306 | profile->stage[stage].cleanup(dev); | |
4307 | } | |
4a6dc855 | 4308 | |
da796ccb | 4309 | kfree(dev->port); |
4a6dc855 | 4310 | ib_dealloc_device(&dev->ib_dev); |
16c1975f | 4311 | } |
e126ba97 | 4312 | |
93f82444 LR |
4313 | int __mlx5_ib_add(struct mlx5_ib_dev *dev, |
4314 | const struct mlx5_ib_profile *profile) | |
16c1975f | 4315 | { |
16c1975f MB |
4316 | int err; |
4317 | int i; | |
5fe9dec0 | 4318 | |
8d93efb8 MB |
4319 | dev->profile = profile; |
4320 | ||
16c1975f MB |
4321 | for (i = 0; i < MLX5_IB_STAGE_MAX; i++) { |
4322 | if (profile->stage[i].init) { | |
4323 | err = profile->stage[i].init(dev); | |
4324 | if (err) | |
4325 | goto err_out; | |
4326 | } | |
4327 | } | |
0837e86a | 4328 | |
16c1975f | 4329 | dev->ib_active = true; |
93f82444 | 4330 | return 0; |
e126ba97 | 4331 | |
16c1975f | 4332 | err_out: |
93f82444 LR |
4333 | /* Clean up stages which were initialized */ |
4334 | while (i) { | |
4335 | i--; | |
4336 | if (profile->stage[i].cleanup) | |
4337 | profile->stage[i].cleanup(dev); | |
4338 | } | |
4339 | return -ENOMEM; | |
16c1975f | 4340 | } |
0837e86a | 4341 | |
16c1975f MB |
4342 | static const struct mlx5_ib_profile pf_profile = { |
4343 | STAGE_CREATE(MLX5_IB_STAGE_INIT, | |
4344 | mlx5_ib_stage_init_init, | |
4345 | mlx5_ib_stage_init_cleanup), | |
f7c4ffda LR |
4346 | STAGE_CREATE(MLX5_IB_STAGE_FS, |
4347 | mlx5_ib_fs_init, | |
4348 | mlx5_ib_fs_cleanup), | |
16c1975f MB |
4349 | STAGE_CREATE(MLX5_IB_STAGE_CAPS, |
4350 | mlx5_ib_stage_caps_init, | |
f164be8c | 4351 | mlx5_ib_stage_caps_cleanup), |
8e6efa3a MB |
4352 | STAGE_CREATE(MLX5_IB_STAGE_NON_DEFAULT_CB, |
4353 | mlx5_ib_stage_non_default_cb, | |
4354 | NULL), | |
16c1975f | 4355 | STAGE_CREATE(MLX5_IB_STAGE_ROCE, |
1e2b5a90 LR |
4356 | mlx5_ib_roce_init, |
4357 | mlx5_ib_roce_cleanup), | |
333fbaa0 LR |
4358 | STAGE_CREATE(MLX5_IB_STAGE_QP, |
4359 | mlx5_init_qp_table, | |
4360 | mlx5_cleanup_qp_table), | |
f3da6577 LR |
4361 | STAGE_CREATE(MLX5_IB_STAGE_SRQ, |
4362 | mlx5_init_srq_table, | |
4363 | mlx5_cleanup_srq_table), | |
16c1975f | 4364 | STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES, |
1e2b5a90 LR |
4365 | mlx5_ib_dev_res_init, |
4366 | mlx5_ib_dev_res_cleanup), | |
df097a27 SM |
4367 | STAGE_CREATE(MLX5_IB_STAGE_DEVICE_NOTIFIER, |
4368 | mlx5_ib_stage_dev_notifier_init, | |
4369 | mlx5_ib_stage_dev_notifier_cleanup), | |
16c1975f | 4370 | STAGE_CREATE(MLX5_IB_STAGE_ODP, |
1e2b5a90 LR |
4371 | mlx5_ib_odp_init_one, |
4372 | mlx5_ib_odp_cleanup_one), | |
16c1975f | 4373 | STAGE_CREATE(MLX5_IB_STAGE_COUNTERS, |
64825827 LR |
4374 | mlx5_ib_counters_init, |
4375 | mlx5_ib_counters_cleanup), | |
16c1975f MB |
4376 | STAGE_CREATE(MLX5_IB_STAGE_CONG_DEBUGFS, |
4377 | mlx5_ib_stage_cong_debugfs_init, | |
4378 | mlx5_ib_stage_cong_debugfs_cleanup), | |
4379 | STAGE_CREATE(MLX5_IB_STAGE_UAR, | |
4380 | mlx5_ib_stage_uar_init, | |
4381 | mlx5_ib_stage_uar_cleanup), | |
4382 | STAGE_CREATE(MLX5_IB_STAGE_BFREG, | |
4383 | mlx5_ib_stage_bfrag_init, | |
4384 | mlx5_ib_stage_bfrag_cleanup), | |
42cea83f MB |
4385 | STAGE_CREATE(MLX5_IB_STAGE_PRE_IB_REG_UMR, |
4386 | NULL, | |
4387 | mlx5_ib_stage_pre_ib_reg_umr_cleanup), | |
81773ce5 | 4388 | STAGE_CREATE(MLX5_IB_STAGE_WHITELIST_UID, |
d8b7515e LR |
4389 | mlx5_ib_devx_init, |
4390 | mlx5_ib_devx_cleanup), | |
16c1975f MB |
4391 | STAGE_CREATE(MLX5_IB_STAGE_IB_REG, |
4392 | mlx5_ib_stage_ib_reg_init, | |
4393 | mlx5_ib_stage_ib_reg_cleanup), | |
42cea83f MB |
4394 | STAGE_CREATE(MLX5_IB_STAGE_POST_IB_REG_UMR, |
4395 | mlx5_ib_stage_post_ib_reg_umr_init, | |
4396 | NULL), | |
16c1975f MB |
4397 | STAGE_CREATE(MLX5_IB_STAGE_DELAY_DROP, |
4398 | mlx5_ib_stage_delay_drop_init, | |
4399 | mlx5_ib_stage_delay_drop_cleanup), | |
b572ebe6 LR |
4400 | STAGE_CREATE(MLX5_IB_STAGE_RESTRACK, |
4401 | mlx5_ib_restrack_init, | |
4402 | NULL), | |
16c1975f | 4403 | }; |
e126ba97 | 4404 | |
b5a498ba | 4405 | const struct mlx5_ib_profile raw_eth_profile = { |
b5ca15ad MB |
4406 | STAGE_CREATE(MLX5_IB_STAGE_INIT, |
4407 | mlx5_ib_stage_init_init, | |
4408 | mlx5_ib_stage_init_cleanup), | |
f7c4ffda LR |
4409 | STAGE_CREATE(MLX5_IB_STAGE_FS, |
4410 | mlx5_ib_fs_init, | |
4411 | mlx5_ib_fs_cleanup), | |
b5ca15ad MB |
4412 | STAGE_CREATE(MLX5_IB_STAGE_CAPS, |
4413 | mlx5_ib_stage_caps_init, | |
f164be8c | 4414 | mlx5_ib_stage_caps_cleanup), |
b5ca15ad | 4415 | STAGE_CREATE(MLX5_IB_STAGE_NON_DEFAULT_CB, |
b5a498ba | 4416 | mlx5_ib_stage_raw_eth_non_default_cb, |
b5ca15ad MB |
4417 | NULL), |
4418 | STAGE_CREATE(MLX5_IB_STAGE_ROCE, | |
1e2b5a90 LR |
4419 | mlx5_ib_roce_init, |
4420 | mlx5_ib_roce_cleanup), | |
333fbaa0 LR |
4421 | STAGE_CREATE(MLX5_IB_STAGE_QP, |
4422 | mlx5_init_qp_table, | |
4423 | mlx5_cleanup_qp_table), | |
f3da6577 LR |
4424 | STAGE_CREATE(MLX5_IB_STAGE_SRQ, |
4425 | mlx5_init_srq_table, | |
4426 | mlx5_cleanup_srq_table), | |
b5ca15ad | 4427 | STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES, |
1e2b5a90 LR |
4428 | mlx5_ib_dev_res_init, |
4429 | mlx5_ib_dev_res_cleanup), | |
df097a27 SM |
4430 | STAGE_CREATE(MLX5_IB_STAGE_DEVICE_NOTIFIER, |
4431 | mlx5_ib_stage_dev_notifier_init, | |
4432 | mlx5_ib_stage_dev_notifier_cleanup), | |
b5ca15ad | 4433 | STAGE_CREATE(MLX5_IB_STAGE_COUNTERS, |
64825827 LR |
4434 | mlx5_ib_counters_init, |
4435 | mlx5_ib_counters_cleanup), | |
79db784e PP |
4436 | STAGE_CREATE(MLX5_IB_STAGE_CONG_DEBUGFS, |
4437 | mlx5_ib_stage_cong_debugfs_init, | |
4438 | mlx5_ib_stage_cong_debugfs_cleanup), | |
b5ca15ad MB |
4439 | STAGE_CREATE(MLX5_IB_STAGE_UAR, |
4440 | mlx5_ib_stage_uar_init, | |
4441 | mlx5_ib_stage_uar_cleanup), | |
4442 | STAGE_CREATE(MLX5_IB_STAGE_BFREG, | |
4443 | mlx5_ib_stage_bfrag_init, | |
4444 | mlx5_ib_stage_bfrag_cleanup), | |
03fe2deb DM |
4445 | STAGE_CREATE(MLX5_IB_STAGE_PRE_IB_REG_UMR, |
4446 | NULL, | |
4447 | mlx5_ib_stage_pre_ib_reg_umr_cleanup), | |
7f575103 | 4448 | STAGE_CREATE(MLX5_IB_STAGE_WHITELIST_UID, |
d8b7515e LR |
4449 | mlx5_ib_devx_init, |
4450 | mlx5_ib_devx_cleanup), | |
b5ca15ad MB |
4451 | STAGE_CREATE(MLX5_IB_STAGE_IB_REG, |
4452 | mlx5_ib_stage_ib_reg_init, | |
4453 | mlx5_ib_stage_ib_reg_cleanup), | |
03fe2deb DM |
4454 | STAGE_CREATE(MLX5_IB_STAGE_POST_IB_REG_UMR, |
4455 | mlx5_ib_stage_post_ib_reg_umr_init, | |
4456 | NULL), | |
ee4d269e MS |
4457 | STAGE_CREATE(MLX5_IB_STAGE_DELAY_DROP, |
4458 | mlx5_ib_stage_delay_drop_init, | |
4459 | mlx5_ib_stage_delay_drop_cleanup), | |
b572ebe6 LR |
4460 | STAGE_CREATE(MLX5_IB_STAGE_RESTRACK, |
4461 | mlx5_ib_restrack_init, | |
4462 | NULL), | |
b5ca15ad MB |
4463 | }; |
4464 | ||
026a4259 MZ |
4465 | static const struct mlx5_ib_profile plane_profile = { |
4466 | STAGE_CREATE(MLX5_IB_STAGE_INIT, | |
4467 | mlx5_ib_stage_init_init, | |
4468 | mlx5_ib_stage_init_cleanup), | |
4469 | STAGE_CREATE(MLX5_IB_STAGE_CAPS, | |
4470 | mlx5_ib_stage_caps_init, | |
4471 | mlx5_ib_stage_caps_cleanup), | |
4472 | STAGE_CREATE(MLX5_IB_STAGE_NON_DEFAULT_CB, | |
4473 | mlx5_ib_stage_non_default_cb, | |
4474 | NULL), | |
4475 | STAGE_CREATE(MLX5_IB_STAGE_QP, | |
4476 | mlx5_init_qp_table, | |
4477 | mlx5_cleanup_qp_table), | |
4478 | STAGE_CREATE(MLX5_IB_STAGE_SRQ, | |
4479 | mlx5_init_srq_table, | |
4480 | mlx5_cleanup_srq_table), | |
4481 | STAGE_CREATE(MLX5_IB_STAGE_DEVICE_RESOURCES, | |
4482 | mlx5_ib_dev_res_init, | |
4483 | mlx5_ib_dev_res_cleanup), | |
4484 | STAGE_CREATE(MLX5_IB_STAGE_BFREG, | |
4485 | mlx5_ib_stage_bfrag_init, | |
4486 | mlx5_ib_stage_bfrag_cleanup), | |
4487 | STAGE_CREATE(MLX5_IB_STAGE_IB_REG, | |
4488 | mlx5_ib_stage_ib_reg_init, | |
4489 | mlx5_ib_stage_ib_reg_cleanup), | |
4490 | }; | |
4491 | ||
4492 | static struct ib_device *mlx5_ib_add_sub_dev(struct ib_device *parent, | |
4493 | enum rdma_nl_dev_type type, | |
4494 | const char *name) | |
4495 | { | |
4496 | struct mlx5_ib_dev *mparent = to_mdev(parent), *mplane; | |
4497 | enum rdma_link_layer ll; | |
4498 | int ret; | |
4499 | ||
4500 | if (mparent->smi_dev) | |
4501 | return ERR_PTR(-EEXIST); | |
4502 | ||
4503 | ll = mlx5_port_type_cap_to_rdma_ll(MLX5_CAP_GEN(mparent->mdev, | |
4504 | port_type)); | |
4505 | if (type != RDMA_DEVICE_TYPE_SMI || !mparent->num_plane || | |
4506 | ll != IB_LINK_LAYER_INFINIBAND || | |
4507 | !MLX5_CAP_GEN_2(mparent->mdev, multiplane_qp_ud)) | |
4508 | return ERR_PTR(-EOPNOTSUPP); | |
4509 | ||
4510 | mplane = ib_alloc_device(mlx5_ib_dev, ib_dev); | |
4511 | if (!mplane) | |
4512 | return ERR_PTR(-ENOMEM); | |
4513 | ||
4514 | mplane->port = kcalloc(mparent->num_plane * mparent->num_ports, | |
4515 | sizeof(*mplane->port), GFP_KERNEL); | |
4516 | if (!mplane->port) { | |
4517 | ret = -ENOMEM; | |
4518 | goto fail_kcalloc; | |
4519 | } | |
4520 | ||
4521 | mplane->ib_dev.type = type; | |
4522 | mplane->mdev = mparent->mdev; | |
4523 | mplane->num_ports = mparent->num_plane; | |
4524 | mplane->sub_dev_name = name; | |
4525 | ||
4526 | ret = __mlx5_ib_add(mplane, &plane_profile); | |
4527 | if (ret) | |
4528 | goto fail_ib_add; | |
4529 | ||
4530 | mparent->smi_dev = mplane; | |
4531 | return &mplane->ib_dev; | |
4532 | ||
4533 | fail_ib_add: | |
4534 | kfree(mplane->port); | |
4535 | fail_kcalloc: | |
4536 | ib_dealloc_device(&mplane->ib_dev); | |
4537 | return ERR_PTR(ret); | |
4538 | } | |
4539 | ||
4540 | static void mlx5_ib_del_sub_dev(struct ib_device *sub_dev) | |
4541 | { | |
4542 | struct mlx5_ib_dev *mdev = to_mdev(sub_dev); | |
4543 | ||
4544 | to_mdev(sub_dev->parent)->smi_dev = NULL; | |
4545 | __mlx5_ib_remove(mdev, mdev->profile, MLX5_IB_STAGE_MAX); | |
4546 | } | |
4547 | ||
93f82444 LR |
4548 | static int mlx5r_mp_probe(struct auxiliary_device *adev, |
4549 | const struct auxiliary_device_id *id) | |
32f69e4b | 4550 | { |
93f82444 LR |
4551 | struct mlx5_adev *idev = container_of(adev, struct mlx5_adev, adev); |
4552 | struct mlx5_core_dev *mdev = idev->mdev; | |
32f69e4b DJ |
4553 | struct mlx5_ib_multiport_info *mpi; |
4554 | struct mlx5_ib_dev *dev; | |
4555 | bool bound = false; | |
4556 | int err; | |
4557 | ||
4558 | mpi = kzalloc(sizeof(*mpi), GFP_KERNEL); | |
4559 | if (!mpi) | |
93f82444 | 4560 | return -ENOMEM; |
32f69e4b DJ |
4561 | |
4562 | mpi->mdev = mdev; | |
32f69e4b DJ |
4563 | err = mlx5_query_nic_vport_system_image_guid(mdev, |
4564 | &mpi->sys_image_guid); | |
4565 | if (err) { | |
4566 | kfree(mpi); | |
93f82444 | 4567 | return err; |
32f69e4b DJ |
4568 | } |
4569 | ||
4570 | mutex_lock(&mlx5_ib_multiport_mutex); | |
4571 | list_for_each_entry(dev, &mlx5_ib_dev_list, ib_dev_list) { | |
4572 | if (dev->sys_image_guid == mpi->sys_image_guid) | |
4573 | bound = mlx5_ib_bind_slave_port(dev, mpi); | |
4574 | ||
4575 | if (bound) { | |
4576 | rdma_roce_rescan_device(&dev->ib_dev); | |
97f30d32 | 4577 | mpi->ibdev->ib_active = true; |
32f69e4b DJ |
4578 | break; |
4579 | } | |
4580 | } | |
4581 | ||
4582 | if (!bound) { | |
4583 | list_add_tail(&mpi->list, &mlx5_ib_unaffiliated_port_list); | |
c42260f1 VP |
4584 | dev_dbg(mdev->device, |
4585 | "no suitable IB device found to bind to, added to unaffiliated list.\n"); | |
32f69e4b DJ |
4586 | } |
4587 | mutex_unlock(&mlx5_ib_multiport_mutex); | |
4588 | ||
27963d3d | 4589 | auxiliary_set_drvdata(adev, mpi); |
93f82444 LR |
4590 | return 0; |
4591 | } | |
4592 | ||
4593 | static void mlx5r_mp_remove(struct auxiliary_device *adev) | |
4594 | { | |
4595 | struct mlx5_ib_multiport_info *mpi; | |
4596 | ||
27963d3d | 4597 | mpi = auxiliary_get_drvdata(adev); |
93f82444 LR |
4598 | mutex_lock(&mlx5_ib_multiport_mutex); |
4599 | if (mpi->ibdev) | |
4600 | mlx5_ib_unbind_slave_port(mpi->ibdev, mpi); | |
da78fe5f MG |
4601 | else |
4602 | list_del(&mpi->list); | |
93f82444 LR |
4603 | mutex_unlock(&mlx5_ib_multiport_mutex); |
4604 | kfree(mpi); | |
32f69e4b DJ |
4605 | } |
4606 | ||
93f82444 LR |
4607 | static int mlx5r_probe(struct auxiliary_device *adev, |
4608 | const struct auxiliary_device_id *id) | |
16c1975f | 4609 | { |
93f82444 LR |
4610 | struct mlx5_adev *idev = container_of(adev, struct mlx5_adev, adev); |
4611 | struct mlx5_core_dev *mdev = idev->mdev; | |
94de879c | 4612 | const struct mlx5_ib_profile *profile; |
93f82444 | 4613 | int port_type_cap, num_ports, ret; |
32f69e4b | 4614 | enum rdma_link_layer ll; |
b5ca15ad | 4615 | struct mlx5_ib_dev *dev; |
f0666f1f | 4616 | |
32f69e4b DJ |
4617 | port_type_cap = MLX5_CAP_GEN(mdev, port_type); |
4618 | ll = mlx5_port_type_cap_to_rdma_ll(port_type_cap); | |
4619 | ||
da796ccb MB |
4620 | num_ports = max(MLX5_CAP_GEN(mdev, num_ports), |
4621 | MLX5_CAP_GEN(mdev, num_vhca_ports)); | |
459cc69f | 4622 | dev = ib_alloc_device(mlx5_ib_dev, ib_dev); |
b5ca15ad | 4623 | if (!dev) |
93f82444 | 4624 | return -ENOMEM; |
2a5db20f MZ |
4625 | |
4626 | if (ll == IB_LINK_LAYER_INFINIBAND) { | |
4627 | ret = mlx5_ib_get_plane_num(mdev, &dev->num_plane); | |
4628 | if (ret) | |
4629 | goto fail; | |
4630 | } | |
4631 | ||
da796ccb MB |
4632 | dev->port = kcalloc(num_ports, sizeof(*dev->port), |
4633 | GFP_KERNEL); | |
4634 | if (!dev->port) { | |
2a5db20f MZ |
4635 | ret = -ENOMEM; |
4636 | goto fail; | |
da796ccb | 4637 | } |
b5ca15ad MB |
4638 | |
4639 | dev->mdev = mdev; | |
da796ccb | 4640 | dev->num_ports = num_ports; |
b5ca15ad | 4641 | |
9ca05b0f | 4642 | if (ll == IB_LINK_LAYER_ETHERNET && !mlx5_get_roce_state(mdev)) |
94de879c MG |
4643 | profile = &raw_eth_profile; |
4644 | else | |
4645 | profile = &pf_profile; | |
4646 | ||
93f82444 | 4647 | ret = __mlx5_ib_add(dev, profile); |
2a5db20f MZ |
4648 | if (ret) |
4649 | goto fail_ib_add; | |
93f82444 | 4650 | |
27963d3d | 4651 | auxiliary_set_drvdata(adev, dev); |
93f82444 | 4652 | return 0; |
2a5db20f MZ |
4653 | |
4654 | fail_ib_add: | |
4655 | kfree(dev->port); | |
4656 | fail: | |
4657 | ib_dealloc_device(&dev->ib_dev); | |
4658 | return ret; | |
e126ba97 EC |
4659 | } |
4660 | ||
93f82444 | 4661 | static void mlx5r_remove(struct auxiliary_device *adev) |
e126ba97 | 4662 | { |
32f69e4b DJ |
4663 | struct mlx5_ib_dev *dev; |
4664 | ||
27963d3d | 4665 | dev = auxiliary_get_drvdata(adev); |
f0666f1f | 4666 | __mlx5_ib_remove(dev, dev->profile, MLX5_IB_STAGE_MAX); |
e126ba97 EC |
4667 | } |
4668 | ||
93f82444 LR |
4669 | static const struct auxiliary_device_id mlx5r_mp_id_table[] = { |
4670 | { .name = MLX5_ADEV_NAME ".multiport", }, | |
4671 | {}, | |
4672 | }; | |
4673 | ||
4674 | static const struct auxiliary_device_id mlx5r_id_table[] = { | |
4675 | { .name = MLX5_ADEV_NAME ".rdma", }, | |
4676 | {}, | |
4677 | }; | |
4678 | ||
4679 | MODULE_DEVICE_TABLE(auxiliary, mlx5r_mp_id_table); | |
4680 | MODULE_DEVICE_TABLE(auxiliary, mlx5r_id_table); | |
4681 | ||
4682 | static struct auxiliary_driver mlx5r_mp_driver = { | |
4683 | .name = "multiport", | |
4684 | .probe = mlx5r_mp_probe, | |
4685 | .remove = mlx5r_mp_remove, | |
4686 | .id_table = mlx5r_mp_id_table, | |
4687 | }; | |
4688 | ||
4689 | static struct auxiliary_driver mlx5r_driver = { | |
4690 | .name = "rdma", | |
4691 | .probe = mlx5r_probe, | |
4692 | .remove = mlx5r_remove, | |
4693 | .id_table = mlx5r_id_table, | |
e126ba97 EC |
4694 | }; |
4695 | ||
4696 | static int __init mlx5_ib_init(void) | |
4697 | { | |
93f82444 | 4698 | int ret; |
6aec21f6 | 4699 | |
8010d74b | 4700 | xlt_emergency_page = (void *)__get_free_page(GFP_KERNEL); |
c44ef998 IL |
4701 | if (!xlt_emergency_page) |
4702 | return -ENOMEM; | |
4703 | ||
d69a24e0 | 4704 | mlx5_ib_event_wq = alloc_ordered_workqueue("mlx5_ib_event_wq", 0); |
c44ef998 | 4705 | if (!mlx5_ib_event_wq) { |
8010d74b | 4706 | free_page((unsigned long)xlt_emergency_page); |
d69a24e0 | 4707 | return -ENOMEM; |
c44ef998 | 4708 | } |
d69a24e0 | 4709 | |
312b8f79 MZ |
4710 | ret = mlx5_ib_qp_event_init(); |
4711 | if (ret) | |
4712 | goto qp_event_err; | |
4713 | ||
81713d37 | 4714 | mlx5_ib_odp_init(); |
93f82444 LR |
4715 | ret = mlx5r_rep_init(); |
4716 | if (ret) | |
4717 | goto rep_err; | |
4718 | ret = auxiliary_driver_register(&mlx5r_mp_driver); | |
4719 | if (ret) | |
4720 | goto mp_err; | |
4721 | ret = auxiliary_driver_register(&mlx5r_driver); | |
4722 | if (ret) | |
4723 | goto drv_err; | |
4724 | return 0; | |
9603b61d | 4725 | |
93f82444 LR |
4726 | drv_err: |
4727 | auxiliary_driver_unregister(&mlx5r_mp_driver); | |
4728 | mp_err: | |
4729 | mlx5r_rep_cleanup(); | |
4730 | rep_err: | |
312b8f79 MZ |
4731 | mlx5_ib_qp_event_cleanup(); |
4732 | qp_event_err: | |
93f82444 LR |
4733 | destroy_workqueue(mlx5_ib_event_wq); |
4734 | free_page((unsigned long)xlt_emergency_page); | |
4735 | return ret; | |
e126ba97 EC |
4736 | } |
4737 | ||
4738 | static void __exit mlx5_ib_cleanup(void) | |
4739 | { | |
93f82444 LR |
4740 | auxiliary_driver_unregister(&mlx5r_driver); |
4741 | auxiliary_driver_unregister(&mlx5r_mp_driver); | |
4742 | mlx5r_rep_cleanup(); | |
4743 | ||
312b8f79 | 4744 | mlx5_ib_qp_event_cleanup(); |
d69a24e0 | 4745 | destroy_workqueue(mlx5_ib_event_wq); |
8010d74b | 4746 | free_page((unsigned long)xlt_emergency_page); |
e126ba97 EC |
4747 | } |
4748 | ||
4749 | module_init(mlx5_ib_init); | |
4750 | module_exit(mlx5_ib_cleanup); |