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225c7b1f RD |
1 | /* |
2 | * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved. | |
51a379d0 | 3 | * Copyright (c) 2007, 2008 Mellanox Technologies. All rights reserved. |
225c7b1f RD |
4 | * |
5 | * This software is available to you under a choice of one of two | |
6 | * licenses. You may choose to be licensed under the terms of the GNU | |
7 | * General Public License (GPL) Version 2, available from the file | |
8 | * COPYING in the main directory of this source tree, or the | |
9 | * OpenIB.org BSD license below: | |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or | |
12 | * without modification, are permitted provided that the following | |
13 | * conditions are met: | |
14 | * | |
15 | * - Redistributions of source code must retain the above | |
16 | * copyright notice, this list of conditions and the following | |
17 | * disclaimer. | |
18 | * | |
19 | * - Redistributions in binary form must reproduce the above | |
20 | * copyright notice, this list of conditions and the following | |
21 | * disclaimer in the documentation and/or other materials | |
22 | * provided with the distribution. | |
23 | * | |
24 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, | |
25 | * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF | |
26 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND | |
27 | * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS | |
28 | * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN | |
29 | * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
30 | * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | |
31 | * SOFTWARE. | |
32 | */ | |
33 | ||
34 | #include <linux/module.h> | |
35 | #include <linux/init.h> | |
5a0e3ad6 | 36 | #include <linux/slab.h> |
225c7b1f | 37 | #include <linux/errno.h> |
fa417f7b EC |
38 | #include <linux/netdevice.h> |
39 | #include <linux/inetdevice.h> | |
40 | #include <linux/rtnetlink.h> | |
225c7b1f RD |
41 | |
42 | #include <rdma/ib_smi.h> | |
43 | #include <rdma/ib_user_verbs.h> | |
fa417f7b | 44 | #include <rdma/ib_addr.h> |
225c7b1f RD |
45 | |
46 | #include <linux/mlx4/driver.h> | |
47 | #include <linux/mlx4/cmd.h> | |
48 | ||
49 | #include "mlx4_ib.h" | |
50 | #include "user.h" | |
51 | ||
52 | #define DRV_NAME "mlx4_ib" | |
068c4ea1 JM |
53 | #define DRV_VERSION "1.0" |
54 | #define DRV_RELDATE "April 4, 2008" | |
225c7b1f RD |
55 | |
56 | MODULE_AUTHOR("Roland Dreier"); | |
57 | MODULE_DESCRIPTION("Mellanox ConnectX HCA InfiniBand driver"); | |
58 | MODULE_LICENSE("Dual BSD/GPL"); | |
59 | MODULE_VERSION(DRV_VERSION); | |
60 | ||
68f3948d | 61 | static const char mlx4_ib_version[] = |
225c7b1f RD |
62 | DRV_NAME ": Mellanox ConnectX InfiniBand driver v" |
63 | DRV_VERSION " (" DRV_RELDATE ")\n"; | |
64 | ||
fa417f7b EC |
65 | struct update_gid_work { |
66 | struct work_struct work; | |
67 | union ib_gid gids[128]; | |
68 | struct mlx4_ib_dev *dev; | |
69 | int port; | |
70 | }; | |
71 | ||
72 | static struct workqueue_struct *wq; | |
73 | ||
225c7b1f RD |
74 | static void init_query_mad(struct ib_smp *mad) |
75 | { | |
76 | mad->base_version = 1; | |
77 | mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED; | |
78 | mad->class_version = 1; | |
79 | mad->method = IB_MGMT_METHOD_GET; | |
80 | } | |
81 | ||
82 | static int mlx4_ib_query_device(struct ib_device *ibdev, | |
83 | struct ib_device_attr *props) | |
84 | { | |
85 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
86 | struct ib_smp *in_mad = NULL; | |
87 | struct ib_smp *out_mad = NULL; | |
88 | int err = -ENOMEM; | |
89 | ||
90 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
91 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
92 | if (!in_mad || !out_mad) | |
93 | goto out; | |
94 | ||
95 | init_query_mad(in_mad); | |
96 | in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; | |
97 | ||
98 | err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, 1, NULL, NULL, in_mad, out_mad); | |
99 | if (err) | |
100 | goto out; | |
101 | ||
102 | memset(props, 0, sizeof *props); | |
103 | ||
104 | props->fw_ver = dev->dev->caps.fw_ver; | |
105 | props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT | | |
106 | IB_DEVICE_PORT_ACTIVE_EVENT | | |
107 | IB_DEVICE_SYS_IMAGE_GUID | | |
521e575b RL |
108 | IB_DEVICE_RC_RNR_NAK_GEN | |
109 | IB_DEVICE_BLOCK_MULTICAST_LOOPBACK; | |
225c7b1f RD |
110 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR) |
111 | props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR; | |
112 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR) | |
113 | props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR; | |
114 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_APM) | |
115 | props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG; | |
116 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UD_AV_PORT) | |
117 | props->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE; | |
8ff095ec EC |
118 | if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM) |
119 | props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM; | |
417608c2 | 120 | if (dev->dev->caps.max_gso_sz && dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BLH) |
b832be1e | 121 | props->device_cap_flags |= IB_DEVICE_UD_TSO; |
95d04f07 RD |
122 | if (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_RESERVED_LKEY) |
123 | props->device_cap_flags |= IB_DEVICE_LOCAL_DMA_LKEY; | |
124 | if ((dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_LOCAL_INV) && | |
125 | (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_REMOTE_INV) && | |
126 | (dev->dev->caps.bmme_flags & MLX4_BMME_FLAG_FAST_REG_WR)) | |
127 | props->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; | |
225c7b1f RD |
128 | |
129 | props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) & | |
130 | 0xffffff; | |
131 | props->vendor_part_id = be16_to_cpup((__be16 *) (out_mad->data + 30)); | |
132 | props->hw_ver = be32_to_cpup((__be32 *) (out_mad->data + 32)); | |
133 | memcpy(&props->sys_image_guid, out_mad->data + 4, 8); | |
134 | ||
135 | props->max_mr_size = ~0ull; | |
136 | props->page_size_cap = dev->dev->caps.page_size_cap; | |
137 | props->max_qp = dev->dev->caps.num_qps - dev->dev->caps.reserved_qps; | |
138 | props->max_qp_wr = dev->dev->caps.max_wqes; | |
139 | props->max_sge = min(dev->dev->caps.max_sq_sg, | |
140 | dev->dev->caps.max_rq_sg); | |
141 | props->max_cq = dev->dev->caps.num_cqs - dev->dev->caps.reserved_cqs; | |
142 | props->max_cqe = dev->dev->caps.max_cqes; | |
143 | props->max_mr = dev->dev->caps.num_mpts - dev->dev->caps.reserved_mrws; | |
144 | props->max_pd = dev->dev->caps.num_pds - dev->dev->caps.reserved_pds; | |
145 | props->max_qp_rd_atom = dev->dev->caps.max_qp_dest_rdma; | |
146 | props->max_qp_init_rd_atom = dev->dev->caps.max_qp_init_rdma; | |
147 | props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp; | |
148 | props->max_srq = dev->dev->caps.num_srqs - dev->dev->caps.reserved_srqs; | |
c8681f14 | 149 | props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1; |
225c7b1f | 150 | props->max_srq_sge = dev->dev->caps.max_srq_sge; |
95d04f07 | 151 | props->max_fast_reg_page_list_len = PAGE_SIZE / sizeof (u64); |
225c7b1f RD |
152 | props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay; |
153 | props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ? | |
154 | IB_ATOMIC_HCA : IB_ATOMIC_NONE; | |
6fa8f719 | 155 | props->masked_atomic_cap = IB_ATOMIC_HCA; |
5ae2a7a8 | 156 | props->max_pkeys = dev->dev->caps.pkey_table_len[1]; |
225c7b1f RD |
157 | props->max_mcast_grp = dev->dev->caps.num_mgms + dev->dev->caps.num_amgms; |
158 | props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm; | |
159 | props->max_total_mcast_qp_attach = props->max_mcast_qp_attach * | |
160 | props->max_mcast_grp; | |
161 | props->max_map_per_fmr = (1 << (32 - ilog2(dev->dev->caps.num_mpts))) - 1; | |
162 | ||
163 | out: | |
164 | kfree(in_mad); | |
165 | kfree(out_mad); | |
166 | ||
167 | return err; | |
168 | } | |
169 | ||
fa417f7b EC |
170 | static enum rdma_link_layer |
171 | mlx4_ib_port_link_layer(struct ib_device *device, u8 port_num) | |
225c7b1f | 172 | { |
fa417f7b | 173 | struct mlx4_dev *dev = to_mdev(device)->dev; |
225c7b1f | 174 | |
fa417f7b EC |
175 | return dev->caps.port_mask & (1 << (port_num - 1)) ? |
176 | IB_LINK_LAYER_INFINIBAND : IB_LINK_LAYER_ETHERNET; | |
177 | } | |
225c7b1f | 178 | |
fa417f7b EC |
179 | static int ib_link_query_port(struct ib_device *ibdev, u8 port, |
180 | struct ib_port_attr *props, | |
181 | struct ib_smp *out_mad) | |
182 | { | |
225c7b1f RD |
183 | props->lid = be16_to_cpup((__be16 *) (out_mad->data + 16)); |
184 | props->lmc = out_mad->data[34] & 0x7; | |
185 | props->sm_lid = be16_to_cpup((__be16 *) (out_mad->data + 18)); | |
186 | props->sm_sl = out_mad->data[36] & 0xf; | |
187 | props->state = out_mad->data[32] & 0xf; | |
188 | props->phys_state = out_mad->data[33] >> 4; | |
189 | props->port_cap_flags = be32_to_cpup((__be32 *) (out_mad->data + 20)); | |
5ae2a7a8 | 190 | props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port]; |
149983af | 191 | props->max_msg_sz = to_mdev(ibdev)->dev->caps.max_msg_sz; |
5ae2a7a8 | 192 | props->pkey_tbl_len = to_mdev(ibdev)->dev->caps.pkey_table_len[port]; |
225c7b1f RD |
193 | props->bad_pkey_cntr = be16_to_cpup((__be16 *) (out_mad->data + 46)); |
194 | props->qkey_viol_cntr = be16_to_cpup((__be16 *) (out_mad->data + 48)); | |
195 | props->active_width = out_mad->data[31] & 0xf; | |
196 | props->active_speed = out_mad->data[35] >> 4; | |
197 | props->max_mtu = out_mad->data[41] & 0xf; | |
198 | props->active_mtu = out_mad->data[36] >> 4; | |
199 | props->subnet_timeout = out_mad->data[51] & 0x1f; | |
200 | props->max_vl_num = out_mad->data[37] >> 4; | |
201 | props->init_type_reply = out_mad->data[41] >> 4; | |
202 | ||
fa417f7b EC |
203 | return 0; |
204 | } | |
205 | ||
206 | static u8 state_to_phys_state(enum ib_port_state state) | |
207 | { | |
208 | return state == IB_PORT_ACTIVE ? 5 : 3; | |
209 | } | |
210 | ||
211 | static int eth_link_query_port(struct ib_device *ibdev, u8 port, | |
212 | struct ib_port_attr *props, | |
213 | struct ib_smp *out_mad) | |
214 | { | |
215 | struct mlx4_ib_iboe *iboe = &to_mdev(ibdev)->iboe; | |
216 | struct net_device *ndev; | |
217 | enum ib_mtu tmp; | |
218 | ||
219 | props->active_width = IB_WIDTH_4X; | |
220 | props->active_speed = 4; | |
221 | props->port_cap_flags = IB_PORT_CM_SUP; | |
222 | props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port]; | |
223 | props->max_msg_sz = to_mdev(ibdev)->dev->caps.max_msg_sz; | |
224 | props->pkey_tbl_len = 1; | |
225 | props->bad_pkey_cntr = be16_to_cpup((__be16 *) (out_mad->data + 46)); | |
226 | props->qkey_viol_cntr = be16_to_cpup((__be16 *) (out_mad->data + 48)); | |
227 | props->max_mtu = IB_MTU_2048; | |
228 | props->subnet_timeout = 0; | |
229 | props->max_vl_num = out_mad->data[37] >> 4; | |
230 | props->init_type_reply = 0; | |
231 | props->state = IB_PORT_DOWN; | |
232 | props->phys_state = state_to_phys_state(props->state); | |
233 | props->active_mtu = IB_MTU_256; | |
234 | spin_lock(&iboe->lock); | |
235 | ndev = iboe->netdevs[port - 1]; | |
236 | if (!ndev) | |
237 | goto out; | |
238 | ||
239 | tmp = iboe_get_mtu(ndev->mtu); | |
240 | props->active_mtu = tmp ? min(props->max_mtu, tmp) : IB_MTU_256; | |
241 | ||
242 | props->state = netif_running(ndev) && netif_oper_up(ndev) ? | |
243 | IB_PORT_ACTIVE : IB_PORT_DOWN; | |
244 | props->phys_state = state_to_phys_state(props->state); | |
245 | ||
246 | out: | |
247 | spin_unlock(&iboe->lock); | |
248 | return 0; | |
249 | } | |
250 | ||
251 | static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port, | |
252 | struct ib_port_attr *props) | |
253 | { | |
254 | struct ib_smp *in_mad = NULL; | |
255 | struct ib_smp *out_mad = NULL; | |
256 | int err = -ENOMEM; | |
257 | ||
258 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
259 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
260 | if (!in_mad || !out_mad) | |
261 | goto out; | |
262 | ||
263 | memset(props, 0, sizeof *props); | |
264 | ||
265 | init_query_mad(in_mad); | |
266 | in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; | |
267 | in_mad->attr_mod = cpu_to_be32(port); | |
268 | ||
269 | err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad); | |
270 | if (err) | |
271 | goto out; | |
272 | ||
273 | err = mlx4_ib_port_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND ? | |
274 | ib_link_query_port(ibdev, port, props, out_mad) : | |
275 | eth_link_query_port(ibdev, port, props, out_mad); | |
276 | ||
225c7b1f RD |
277 | out: |
278 | kfree(in_mad); | |
279 | kfree(out_mad); | |
280 | ||
281 | return err; | |
282 | } | |
283 | ||
fa417f7b EC |
284 | static int __mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, |
285 | union ib_gid *gid) | |
225c7b1f RD |
286 | { |
287 | struct ib_smp *in_mad = NULL; | |
288 | struct ib_smp *out_mad = NULL; | |
289 | int err = -ENOMEM; | |
290 | ||
291 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
292 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
293 | if (!in_mad || !out_mad) | |
294 | goto out; | |
295 | ||
296 | init_query_mad(in_mad); | |
297 | in_mad->attr_id = IB_SMP_ATTR_PORT_INFO; | |
298 | in_mad->attr_mod = cpu_to_be32(port); | |
299 | ||
300 | err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad); | |
301 | if (err) | |
302 | goto out; | |
303 | ||
304 | memcpy(gid->raw, out_mad->data + 8, 8); | |
305 | ||
306 | init_query_mad(in_mad); | |
307 | in_mad->attr_id = IB_SMP_ATTR_GUID_INFO; | |
308 | in_mad->attr_mod = cpu_to_be32(index / 8); | |
309 | ||
310 | err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad); | |
311 | if (err) | |
312 | goto out; | |
313 | ||
314 | memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8); | |
315 | ||
316 | out: | |
317 | kfree(in_mad); | |
318 | kfree(out_mad); | |
319 | return err; | |
320 | } | |
321 | ||
fa417f7b EC |
322 | static int iboe_query_gid(struct ib_device *ibdev, u8 port, int index, |
323 | union ib_gid *gid) | |
324 | { | |
325 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
326 | ||
327 | *gid = dev->iboe.gid_table[port - 1][index]; | |
328 | ||
329 | return 0; | |
330 | } | |
331 | ||
332 | static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index, | |
333 | union ib_gid *gid) | |
334 | { | |
335 | if (rdma_port_get_link_layer(ibdev, port) == IB_LINK_LAYER_INFINIBAND) | |
336 | return __mlx4_ib_query_gid(ibdev, port, index, gid); | |
337 | else | |
338 | return iboe_query_gid(ibdev, port, index, gid); | |
339 | } | |
340 | ||
225c7b1f RD |
341 | static int mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index, |
342 | u16 *pkey) | |
343 | { | |
344 | struct ib_smp *in_mad = NULL; | |
345 | struct ib_smp *out_mad = NULL; | |
346 | int err = -ENOMEM; | |
347 | ||
348 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
349 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
350 | if (!in_mad || !out_mad) | |
351 | goto out; | |
352 | ||
353 | init_query_mad(in_mad); | |
354 | in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE; | |
355 | in_mad->attr_mod = cpu_to_be32(index / 32); | |
356 | ||
357 | err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad); | |
358 | if (err) | |
359 | goto out; | |
360 | ||
361 | *pkey = be16_to_cpu(((__be16 *) out_mad->data)[index % 32]); | |
362 | ||
363 | out: | |
364 | kfree(in_mad); | |
365 | kfree(out_mad); | |
366 | return err; | |
367 | } | |
368 | ||
369 | static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask, | |
370 | struct ib_device_modify *props) | |
371 | { | |
372 | if (mask & ~IB_DEVICE_MODIFY_NODE_DESC) | |
373 | return -EOPNOTSUPP; | |
374 | ||
375 | if (mask & IB_DEVICE_MODIFY_NODE_DESC) { | |
376 | spin_lock(&to_mdev(ibdev)->sm_lock); | |
377 | memcpy(ibdev->node_desc, props->node_desc, 64); | |
378 | spin_unlock(&to_mdev(ibdev)->sm_lock); | |
379 | } | |
380 | ||
381 | return 0; | |
382 | } | |
383 | ||
384 | static int mlx4_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols, | |
385 | u32 cap_mask) | |
386 | { | |
387 | struct mlx4_cmd_mailbox *mailbox; | |
388 | int err; | |
fa417f7b | 389 | u8 is_eth = dev->dev->caps.port_type[port] == MLX4_PORT_TYPE_ETH; |
225c7b1f RD |
390 | |
391 | mailbox = mlx4_alloc_cmd_mailbox(dev->dev); | |
392 | if (IS_ERR(mailbox)) | |
393 | return PTR_ERR(mailbox); | |
394 | ||
395 | memset(mailbox->buf, 0, 256); | |
5ae2a7a8 RD |
396 | |
397 | if (dev->dev->flags & MLX4_FLAG_OLD_PORT_CMDS) { | |
398 | *(u8 *) mailbox->buf = !!reset_qkey_viols << 6; | |
399 | ((__be32 *) mailbox->buf)[2] = cpu_to_be32(cap_mask); | |
400 | } else { | |
401 | ((u8 *) mailbox->buf)[3] = !!reset_qkey_viols; | |
402 | ((__be32 *) mailbox->buf)[1] = cpu_to_be32(cap_mask); | |
403 | } | |
225c7b1f | 404 | |
fa417f7b | 405 | err = mlx4_cmd(dev->dev, mailbox->dma, port, is_eth, MLX4_CMD_SET_PORT, |
225c7b1f RD |
406 | MLX4_CMD_TIME_CLASS_B); |
407 | ||
408 | mlx4_free_cmd_mailbox(dev->dev, mailbox); | |
409 | return err; | |
410 | } | |
411 | ||
412 | static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask, | |
413 | struct ib_port_modify *props) | |
414 | { | |
415 | struct ib_port_attr attr; | |
416 | u32 cap_mask; | |
417 | int err; | |
418 | ||
419 | mutex_lock(&to_mdev(ibdev)->cap_mask_mutex); | |
420 | ||
421 | err = mlx4_ib_query_port(ibdev, port, &attr); | |
422 | if (err) | |
423 | goto out; | |
424 | ||
425 | cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) & | |
426 | ~props->clr_port_cap_mask; | |
427 | ||
428 | err = mlx4_SET_PORT(to_mdev(ibdev), port, | |
429 | !!(mask & IB_PORT_RESET_QKEY_CNTR), | |
430 | cap_mask); | |
431 | ||
432 | out: | |
433 | mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex); | |
434 | return err; | |
435 | } | |
436 | ||
437 | static struct ib_ucontext *mlx4_ib_alloc_ucontext(struct ib_device *ibdev, | |
438 | struct ib_udata *udata) | |
439 | { | |
440 | struct mlx4_ib_dev *dev = to_mdev(ibdev); | |
441 | struct mlx4_ib_ucontext *context; | |
442 | struct mlx4_ib_alloc_ucontext_resp resp; | |
443 | int err; | |
444 | ||
3b4a8cd5 JM |
445 | if (!dev->ib_active) |
446 | return ERR_PTR(-EAGAIN); | |
447 | ||
225c7b1f RD |
448 | resp.qp_tab_size = dev->dev->caps.num_qps; |
449 | resp.bf_reg_size = dev->dev->caps.bf_reg_size; | |
450 | resp.bf_regs_per_page = dev->dev->caps.bf_regs_per_page; | |
451 | ||
452 | context = kmalloc(sizeof *context, GFP_KERNEL); | |
453 | if (!context) | |
454 | return ERR_PTR(-ENOMEM); | |
455 | ||
456 | err = mlx4_uar_alloc(to_mdev(ibdev)->dev, &context->uar); | |
457 | if (err) { | |
458 | kfree(context); | |
459 | return ERR_PTR(err); | |
460 | } | |
461 | ||
462 | INIT_LIST_HEAD(&context->db_page_list); | |
463 | mutex_init(&context->db_page_mutex); | |
464 | ||
465 | err = ib_copy_to_udata(udata, &resp, sizeof resp); | |
466 | if (err) { | |
467 | mlx4_uar_free(to_mdev(ibdev)->dev, &context->uar); | |
468 | kfree(context); | |
469 | return ERR_PTR(-EFAULT); | |
470 | } | |
471 | ||
472 | return &context->ibucontext; | |
473 | } | |
474 | ||
475 | static int mlx4_ib_dealloc_ucontext(struct ib_ucontext *ibcontext) | |
476 | { | |
477 | struct mlx4_ib_ucontext *context = to_mucontext(ibcontext); | |
478 | ||
479 | mlx4_uar_free(to_mdev(ibcontext->device)->dev, &context->uar); | |
480 | kfree(context); | |
481 | ||
482 | return 0; | |
483 | } | |
484 | ||
485 | static int mlx4_ib_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) | |
486 | { | |
487 | struct mlx4_ib_dev *dev = to_mdev(context->device); | |
488 | ||
489 | if (vma->vm_end - vma->vm_start != PAGE_SIZE) | |
490 | return -EINVAL; | |
491 | ||
492 | if (vma->vm_pgoff == 0) { | |
493 | vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); | |
494 | ||
495 | if (io_remap_pfn_range(vma, vma->vm_start, | |
496 | to_mucontext(context)->uar.pfn, | |
497 | PAGE_SIZE, vma->vm_page_prot)) | |
498 | return -EAGAIN; | |
499 | } else if (vma->vm_pgoff == 1 && dev->dev->caps.bf_reg_size != 0) { | |
e1d60ec6 | 500 | vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); |
225c7b1f RD |
501 | |
502 | if (io_remap_pfn_range(vma, vma->vm_start, | |
503 | to_mucontext(context)->uar.pfn + | |
504 | dev->dev->caps.num_uars, | |
505 | PAGE_SIZE, vma->vm_page_prot)) | |
506 | return -EAGAIN; | |
507 | } else | |
508 | return -EINVAL; | |
509 | ||
510 | return 0; | |
511 | } | |
512 | ||
513 | static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev, | |
514 | struct ib_ucontext *context, | |
515 | struct ib_udata *udata) | |
516 | { | |
517 | struct mlx4_ib_pd *pd; | |
518 | int err; | |
519 | ||
520 | pd = kmalloc(sizeof *pd, GFP_KERNEL); | |
521 | if (!pd) | |
522 | return ERR_PTR(-ENOMEM); | |
523 | ||
524 | err = mlx4_pd_alloc(to_mdev(ibdev)->dev, &pd->pdn); | |
525 | if (err) { | |
526 | kfree(pd); | |
527 | return ERR_PTR(err); | |
528 | } | |
529 | ||
530 | if (context) | |
531 | if (ib_copy_to_udata(udata, &pd->pdn, sizeof (__u32))) { | |
532 | mlx4_pd_free(to_mdev(ibdev)->dev, pd->pdn); | |
533 | kfree(pd); | |
534 | return ERR_PTR(-EFAULT); | |
535 | } | |
536 | ||
537 | return &pd->ibpd; | |
538 | } | |
539 | ||
540 | static int mlx4_ib_dealloc_pd(struct ib_pd *pd) | |
541 | { | |
542 | mlx4_pd_free(to_mdev(pd->device)->dev, to_mpd(pd)->pdn); | |
543 | kfree(pd); | |
544 | ||
545 | return 0; | |
546 | } | |
547 | ||
fa417f7b EC |
548 | static int add_gid_entry(struct ib_qp *ibqp, union ib_gid *gid) |
549 | { | |
550 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); | |
551 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
552 | struct mlx4_ib_gid_entry *ge; | |
553 | ||
554 | ge = kzalloc(sizeof *ge, GFP_KERNEL); | |
555 | if (!ge) | |
556 | return -ENOMEM; | |
557 | ||
558 | ge->gid = *gid; | |
559 | if (mlx4_ib_add_mc(mdev, mqp, gid)) { | |
560 | ge->port = mqp->port; | |
561 | ge->added = 1; | |
562 | } | |
563 | ||
564 | mutex_lock(&mqp->mutex); | |
565 | list_add_tail(&ge->list, &mqp->gid_list); | |
566 | mutex_unlock(&mqp->mutex); | |
567 | ||
568 | return 0; | |
569 | } | |
570 | ||
571 | int mlx4_ib_add_mc(struct mlx4_ib_dev *mdev, struct mlx4_ib_qp *mqp, | |
572 | union ib_gid *gid) | |
573 | { | |
574 | u8 mac[6]; | |
575 | struct net_device *ndev; | |
576 | int ret = 0; | |
577 | ||
578 | if (!mqp->port) | |
579 | return 0; | |
580 | ||
581 | spin_lock(&mdev->iboe.lock); | |
582 | ndev = mdev->iboe.netdevs[mqp->port - 1]; | |
583 | if (ndev) | |
584 | dev_hold(ndev); | |
585 | spin_unlock(&mdev->iboe.lock); | |
586 | ||
587 | if (ndev) { | |
588 | rdma_get_mcast_mac((struct in6_addr *)gid, mac); | |
589 | rtnl_lock(); | |
590 | dev_mc_add(mdev->iboe.netdevs[mqp->port - 1], mac); | |
591 | ret = 1; | |
592 | rtnl_unlock(); | |
593 | dev_put(ndev); | |
594 | } | |
595 | ||
596 | return ret; | |
597 | } | |
598 | ||
225c7b1f RD |
599 | static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) |
600 | { | |
fa417f7b EC |
601 | int err; |
602 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
603 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); | |
604 | ||
605 | err = mlx4_multicast_attach(mdev->dev, &mqp->mqp, gid->raw, !!(mqp->flags & | |
606 | MLX4_IB_QP_BLOCK_MULTICAST_LOOPBACK)); | |
607 | if (err) | |
608 | return err; | |
609 | ||
610 | err = add_gid_entry(ibqp, gid); | |
611 | if (err) | |
612 | goto err_add; | |
613 | ||
614 | return 0; | |
615 | ||
616 | err_add: | |
617 | mlx4_multicast_detach(mdev->dev, &mqp->mqp, gid->raw); | |
618 | return err; | |
619 | } | |
620 | ||
621 | static struct mlx4_ib_gid_entry *find_gid_entry(struct mlx4_ib_qp *qp, u8 *raw) | |
622 | { | |
623 | struct mlx4_ib_gid_entry *ge; | |
624 | struct mlx4_ib_gid_entry *tmp; | |
625 | struct mlx4_ib_gid_entry *ret = NULL; | |
626 | ||
627 | list_for_each_entry_safe(ge, tmp, &qp->gid_list, list) { | |
628 | if (!memcmp(raw, ge->gid.raw, 16)) { | |
629 | ret = ge; | |
630 | break; | |
631 | } | |
632 | } | |
633 | ||
634 | return ret; | |
225c7b1f RD |
635 | } |
636 | ||
637 | static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) | |
638 | { | |
fa417f7b EC |
639 | int err; |
640 | struct mlx4_ib_dev *mdev = to_mdev(ibqp->device); | |
641 | struct mlx4_ib_qp *mqp = to_mqp(ibqp); | |
642 | u8 mac[6]; | |
643 | struct net_device *ndev; | |
644 | struct mlx4_ib_gid_entry *ge; | |
645 | ||
646 | err = mlx4_multicast_detach(mdev->dev, | |
647 | &mqp->mqp, gid->raw); | |
648 | if (err) | |
649 | return err; | |
650 | ||
651 | mutex_lock(&mqp->mutex); | |
652 | ge = find_gid_entry(mqp, gid->raw); | |
653 | if (ge) { | |
654 | spin_lock(&mdev->iboe.lock); | |
655 | ndev = ge->added ? mdev->iboe.netdevs[ge->port - 1] : NULL; | |
656 | if (ndev) | |
657 | dev_hold(ndev); | |
658 | spin_unlock(&mdev->iboe.lock); | |
659 | rdma_get_mcast_mac((struct in6_addr *)gid, mac); | |
660 | if (ndev) { | |
661 | rtnl_lock(); | |
662 | dev_mc_del(mdev->iboe.netdevs[ge->port - 1], mac); | |
663 | rtnl_unlock(); | |
664 | dev_put(ndev); | |
665 | } | |
666 | list_del(&ge->list); | |
667 | kfree(ge); | |
668 | } else | |
669 | printk(KERN_WARNING "could not find mgid entry\n"); | |
670 | ||
671 | mutex_unlock(&mqp->mutex); | |
672 | ||
673 | return 0; | |
225c7b1f RD |
674 | } |
675 | ||
676 | static int init_node_data(struct mlx4_ib_dev *dev) | |
677 | { | |
678 | struct ib_smp *in_mad = NULL; | |
679 | struct ib_smp *out_mad = NULL; | |
680 | int err = -ENOMEM; | |
681 | ||
682 | in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL); | |
683 | out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL); | |
684 | if (!in_mad || !out_mad) | |
685 | goto out; | |
686 | ||
687 | init_query_mad(in_mad); | |
688 | in_mad->attr_id = IB_SMP_ATTR_NODE_DESC; | |
689 | ||
690 | err = mlx4_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); | |
691 | if (err) | |
692 | goto out; | |
693 | ||
694 | memcpy(dev->ib_dev.node_desc, out_mad->data, 64); | |
695 | ||
696 | in_mad->attr_id = IB_SMP_ATTR_NODE_INFO; | |
697 | ||
698 | err = mlx4_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad); | |
699 | if (err) | |
700 | goto out; | |
701 | ||
893da759 | 702 | dev->dev->rev_id = be32_to_cpup((__be32 *) (out_mad->data + 32)); |
225c7b1f RD |
703 | memcpy(&dev->ib_dev.node_guid, out_mad->data + 12, 8); |
704 | ||
705 | out: | |
706 | kfree(in_mad); | |
707 | kfree(out_mad); | |
708 | return err; | |
709 | } | |
710 | ||
f4e91eb4 TJ |
711 | static ssize_t show_hca(struct device *device, struct device_attribute *attr, |
712 | char *buf) | |
cd9281d8 | 713 | { |
f4e91eb4 TJ |
714 | struct mlx4_ib_dev *dev = |
715 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
cd9281d8 JM |
716 | return sprintf(buf, "MT%d\n", dev->dev->pdev->device); |
717 | } | |
718 | ||
f4e91eb4 TJ |
719 | static ssize_t show_fw_ver(struct device *device, struct device_attribute *attr, |
720 | char *buf) | |
cd9281d8 | 721 | { |
f4e91eb4 TJ |
722 | struct mlx4_ib_dev *dev = |
723 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
cd9281d8 JM |
724 | return sprintf(buf, "%d.%d.%d\n", (int) (dev->dev->caps.fw_ver >> 32), |
725 | (int) (dev->dev->caps.fw_ver >> 16) & 0xffff, | |
726 | (int) dev->dev->caps.fw_ver & 0xffff); | |
727 | } | |
728 | ||
f4e91eb4 TJ |
729 | static ssize_t show_rev(struct device *device, struct device_attribute *attr, |
730 | char *buf) | |
cd9281d8 | 731 | { |
f4e91eb4 TJ |
732 | struct mlx4_ib_dev *dev = |
733 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
cd9281d8 JM |
734 | return sprintf(buf, "%x\n", dev->dev->rev_id); |
735 | } | |
736 | ||
f4e91eb4 TJ |
737 | static ssize_t show_board(struct device *device, struct device_attribute *attr, |
738 | char *buf) | |
cd9281d8 | 739 | { |
f4e91eb4 TJ |
740 | struct mlx4_ib_dev *dev = |
741 | container_of(device, struct mlx4_ib_dev, ib_dev.dev); | |
742 | return sprintf(buf, "%.*s\n", MLX4_BOARD_ID_LEN, | |
743 | dev->dev->board_id); | |
cd9281d8 JM |
744 | } |
745 | ||
f4e91eb4 TJ |
746 | static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); |
747 | static DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL); | |
748 | static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); | |
749 | static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); | |
cd9281d8 | 750 | |
f4e91eb4 TJ |
751 | static struct device_attribute *mlx4_class_attributes[] = { |
752 | &dev_attr_hw_rev, | |
753 | &dev_attr_fw_ver, | |
754 | &dev_attr_hca_type, | |
755 | &dev_attr_board_id | |
cd9281d8 JM |
756 | }; |
757 | ||
fa417f7b EC |
758 | static void mlx4_addrconf_ifid_eui48(u8 *eui, struct net_device *dev) |
759 | { | |
760 | memcpy(eui, dev->dev_addr, 3); | |
761 | memcpy(eui + 5, dev->dev_addr + 3, 3); | |
762 | eui[3] = 0xFF; | |
763 | eui[4] = 0xFE; | |
764 | eui[0] ^= 2; | |
765 | } | |
766 | ||
767 | static void update_gids_task(struct work_struct *work) | |
768 | { | |
769 | struct update_gid_work *gw = container_of(work, struct update_gid_work, work); | |
770 | struct mlx4_cmd_mailbox *mailbox; | |
771 | union ib_gid *gids; | |
772 | int err; | |
773 | struct mlx4_dev *dev = gw->dev->dev; | |
774 | struct ib_event event; | |
775 | ||
776 | mailbox = mlx4_alloc_cmd_mailbox(dev); | |
777 | if (IS_ERR(mailbox)) { | |
778 | printk(KERN_WARNING "update gid table failed %ld\n", PTR_ERR(mailbox)); | |
779 | return; | |
780 | } | |
781 | ||
782 | gids = mailbox->buf; | |
783 | memcpy(gids, gw->gids, sizeof gw->gids); | |
784 | ||
785 | err = mlx4_cmd(dev, mailbox->dma, MLX4_SET_PORT_GID_TABLE << 8 | gw->port, | |
786 | 1, MLX4_CMD_SET_PORT, MLX4_CMD_TIME_CLASS_B); | |
787 | if (err) | |
788 | printk(KERN_WARNING "set port command failed\n"); | |
789 | else { | |
790 | memcpy(gw->dev->iboe.gid_table[gw->port - 1], gw->gids, sizeof gw->gids); | |
791 | event.device = &gw->dev->ib_dev; | |
792 | event.element.port_num = gw->port; | |
793 | event.event = IB_EVENT_LID_CHANGE; | |
794 | ib_dispatch_event(&event); | |
795 | } | |
796 | ||
797 | mlx4_free_cmd_mailbox(dev, mailbox); | |
798 | kfree(gw); | |
799 | } | |
800 | ||
801 | static int update_ipv6_gids(struct mlx4_ib_dev *dev, int port, int clear) | |
802 | { | |
803 | struct net_device *ndev = dev->iboe.netdevs[port - 1]; | |
804 | struct update_gid_work *work; | |
805 | ||
806 | work = kzalloc(sizeof *work, GFP_ATOMIC); | |
807 | if (!work) | |
808 | return -ENOMEM; | |
809 | ||
810 | if (!clear) { | |
811 | mlx4_addrconf_ifid_eui48(&work->gids[0].raw[8], ndev); | |
812 | work->gids[0].global.subnet_prefix = cpu_to_be64(0xfe80000000000000LL); | |
813 | } | |
814 | ||
815 | INIT_WORK(&work->work, update_gids_task); | |
816 | work->port = port; | |
817 | work->dev = dev; | |
818 | queue_work(wq, &work->work); | |
819 | ||
820 | return 0; | |
821 | } | |
822 | ||
823 | static void handle_en_event(struct mlx4_ib_dev *dev, int port, unsigned long event) | |
824 | { | |
825 | switch (event) { | |
826 | case NETDEV_UP: | |
827 | update_ipv6_gids(dev, port, 0); | |
828 | break; | |
829 | ||
830 | case NETDEV_DOWN: | |
831 | update_ipv6_gids(dev, port, 1); | |
832 | dev->iboe.netdevs[port - 1] = NULL; | |
833 | } | |
834 | } | |
835 | ||
836 | static void netdev_added(struct mlx4_ib_dev *dev, int port) | |
837 | { | |
838 | update_ipv6_gids(dev, port, 0); | |
839 | } | |
840 | ||
841 | static void netdev_removed(struct mlx4_ib_dev *dev, int port) | |
842 | { | |
843 | update_ipv6_gids(dev, port, 1); | |
844 | } | |
845 | ||
846 | static int mlx4_ib_netdev_event(struct notifier_block *this, unsigned long event, | |
847 | void *ptr) | |
848 | { | |
849 | struct net_device *dev = ptr; | |
850 | struct mlx4_ib_dev *ibdev; | |
851 | struct net_device *oldnd; | |
852 | struct mlx4_ib_iboe *iboe; | |
853 | int port; | |
854 | ||
855 | if (!net_eq(dev_net(dev), &init_net)) | |
856 | return NOTIFY_DONE; | |
857 | ||
858 | ibdev = container_of(this, struct mlx4_ib_dev, iboe.nb); | |
859 | iboe = &ibdev->iboe; | |
860 | ||
861 | spin_lock(&iboe->lock); | |
862 | mlx4_foreach_ib_transport_port(port, ibdev->dev) { | |
863 | oldnd = iboe->netdevs[port - 1]; | |
864 | iboe->netdevs[port - 1] = | |
865 | mlx4_get_protocol_dev(ibdev->dev, MLX4_PROTOCOL_EN, port); | |
866 | if (oldnd != iboe->netdevs[port - 1]) { | |
867 | if (iboe->netdevs[port - 1]) | |
868 | netdev_added(ibdev, port); | |
869 | else | |
870 | netdev_removed(ibdev, port); | |
871 | } | |
872 | } | |
873 | ||
874 | if (dev == iboe->netdevs[0]) | |
875 | handle_en_event(ibdev, 1, event); | |
876 | else if (dev == iboe->netdevs[1]) | |
877 | handle_en_event(ibdev, 2, event); | |
878 | ||
879 | spin_unlock(&iboe->lock); | |
880 | ||
881 | return NOTIFY_DONE; | |
882 | } | |
883 | ||
225c7b1f RD |
884 | static void *mlx4_ib_add(struct mlx4_dev *dev) |
885 | { | |
886 | struct mlx4_ib_dev *ibdev; | |
22e7ef9c | 887 | int num_ports = 0; |
cd9281d8 | 888 | int i; |
fa417f7b EC |
889 | int err; |
890 | struct mlx4_ib_iboe *iboe; | |
225c7b1f | 891 | |
f1aa78b2 | 892 | printk_once(KERN_INFO "%s", mlx4_ib_version); |
68f3948d | 893 | |
fa417f7b | 894 | mlx4_foreach_ib_transport_port(i, dev) |
22e7ef9c RD |
895 | num_ports++; |
896 | ||
897 | /* No point in registering a device with no ports... */ | |
898 | if (num_ports == 0) | |
899 | return NULL; | |
900 | ||
225c7b1f RD |
901 | ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof *ibdev); |
902 | if (!ibdev) { | |
903 | dev_err(&dev->pdev->dev, "Device struct alloc failed\n"); | |
904 | return NULL; | |
905 | } | |
906 | ||
fa417f7b EC |
907 | iboe = &ibdev->iboe; |
908 | ||
225c7b1f RD |
909 | if (mlx4_pd_alloc(dev, &ibdev->priv_pdn)) |
910 | goto err_dealloc; | |
911 | ||
912 | if (mlx4_uar_alloc(dev, &ibdev->priv_uar)) | |
913 | goto err_pd; | |
914 | ||
915 | ibdev->uar_map = ioremap(ibdev->priv_uar.pfn << PAGE_SHIFT, PAGE_SIZE); | |
916 | if (!ibdev->uar_map) | |
917 | goto err_uar; | |
26c6bc7b | 918 | MLX4_INIT_DOORBELL_LOCK(&ibdev->uar_lock); |
225c7b1f | 919 | |
225c7b1f RD |
920 | ibdev->dev = dev; |
921 | ||
922 | strlcpy(ibdev->ib_dev.name, "mlx4_%d", IB_DEVICE_NAME_MAX); | |
923 | ibdev->ib_dev.owner = THIS_MODULE; | |
924 | ibdev->ib_dev.node_type = RDMA_NODE_IB_CA; | |
95d04f07 | 925 | ibdev->ib_dev.local_dma_lkey = dev->caps.reserved_lkey; |
22e7ef9c | 926 | ibdev->num_ports = num_ports; |
7ff93f8b | 927 | ibdev->ib_dev.phys_port_cnt = ibdev->num_ports; |
b8dd786f | 928 | ibdev->ib_dev.num_comp_vectors = dev->caps.num_comp_vectors; |
225c7b1f RD |
929 | ibdev->ib_dev.dma_device = &dev->pdev->dev; |
930 | ||
931 | ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_ABI_VERSION; | |
932 | ibdev->ib_dev.uverbs_cmd_mask = | |
933 | (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) | | |
934 | (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) | | |
935 | (1ull << IB_USER_VERBS_CMD_QUERY_PORT) | | |
936 | (1ull << IB_USER_VERBS_CMD_ALLOC_PD) | | |
937 | (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) | | |
938 | (1ull << IB_USER_VERBS_CMD_REG_MR) | | |
939 | (1ull << IB_USER_VERBS_CMD_DEREG_MR) | | |
940 | (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) | | |
941 | (1ull << IB_USER_VERBS_CMD_CREATE_CQ) | | |
bbf8eed1 | 942 | (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) | |
225c7b1f RD |
943 | (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) | |
944 | (1ull << IB_USER_VERBS_CMD_CREATE_QP) | | |
945 | (1ull << IB_USER_VERBS_CMD_MODIFY_QP) | | |
6a775e2b | 946 | (1ull << IB_USER_VERBS_CMD_QUERY_QP) | |
225c7b1f RD |
947 | (1ull << IB_USER_VERBS_CMD_DESTROY_QP) | |
948 | (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) | | |
949 | (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) | | |
950 | (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) | | |
951 | (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) | | |
65541cb7 | 952 | (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) | |
225c7b1f RD |
953 | (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ); |
954 | ||
955 | ibdev->ib_dev.query_device = mlx4_ib_query_device; | |
956 | ibdev->ib_dev.query_port = mlx4_ib_query_port; | |
fa417f7b | 957 | ibdev->ib_dev.get_link_layer = mlx4_ib_port_link_layer; |
225c7b1f RD |
958 | ibdev->ib_dev.query_gid = mlx4_ib_query_gid; |
959 | ibdev->ib_dev.query_pkey = mlx4_ib_query_pkey; | |
960 | ibdev->ib_dev.modify_device = mlx4_ib_modify_device; | |
961 | ibdev->ib_dev.modify_port = mlx4_ib_modify_port; | |
962 | ibdev->ib_dev.alloc_ucontext = mlx4_ib_alloc_ucontext; | |
963 | ibdev->ib_dev.dealloc_ucontext = mlx4_ib_dealloc_ucontext; | |
964 | ibdev->ib_dev.mmap = mlx4_ib_mmap; | |
965 | ibdev->ib_dev.alloc_pd = mlx4_ib_alloc_pd; | |
966 | ibdev->ib_dev.dealloc_pd = mlx4_ib_dealloc_pd; | |
967 | ibdev->ib_dev.create_ah = mlx4_ib_create_ah; | |
968 | ibdev->ib_dev.query_ah = mlx4_ib_query_ah; | |
969 | ibdev->ib_dev.destroy_ah = mlx4_ib_destroy_ah; | |
970 | ibdev->ib_dev.create_srq = mlx4_ib_create_srq; | |
971 | ibdev->ib_dev.modify_srq = mlx4_ib_modify_srq; | |
65541cb7 | 972 | ibdev->ib_dev.query_srq = mlx4_ib_query_srq; |
225c7b1f RD |
973 | ibdev->ib_dev.destroy_srq = mlx4_ib_destroy_srq; |
974 | ibdev->ib_dev.post_srq_recv = mlx4_ib_post_srq_recv; | |
975 | ibdev->ib_dev.create_qp = mlx4_ib_create_qp; | |
976 | ibdev->ib_dev.modify_qp = mlx4_ib_modify_qp; | |
6a775e2b | 977 | ibdev->ib_dev.query_qp = mlx4_ib_query_qp; |
225c7b1f RD |
978 | ibdev->ib_dev.destroy_qp = mlx4_ib_destroy_qp; |
979 | ibdev->ib_dev.post_send = mlx4_ib_post_send; | |
980 | ibdev->ib_dev.post_recv = mlx4_ib_post_recv; | |
981 | ibdev->ib_dev.create_cq = mlx4_ib_create_cq; | |
3fdcb97f | 982 | ibdev->ib_dev.modify_cq = mlx4_ib_modify_cq; |
bbf8eed1 | 983 | ibdev->ib_dev.resize_cq = mlx4_ib_resize_cq; |
225c7b1f RD |
984 | ibdev->ib_dev.destroy_cq = mlx4_ib_destroy_cq; |
985 | ibdev->ib_dev.poll_cq = mlx4_ib_poll_cq; | |
986 | ibdev->ib_dev.req_notify_cq = mlx4_ib_arm_cq; | |
987 | ibdev->ib_dev.get_dma_mr = mlx4_ib_get_dma_mr; | |
988 | ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr; | |
989 | ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr; | |
95d04f07 RD |
990 | ibdev->ib_dev.alloc_fast_reg_mr = mlx4_ib_alloc_fast_reg_mr; |
991 | ibdev->ib_dev.alloc_fast_reg_page_list = mlx4_ib_alloc_fast_reg_page_list; | |
992 | ibdev->ib_dev.free_fast_reg_page_list = mlx4_ib_free_fast_reg_page_list; | |
225c7b1f RD |
993 | ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach; |
994 | ibdev->ib_dev.detach_mcast = mlx4_ib_mcg_detach; | |
995 | ibdev->ib_dev.process_mad = mlx4_ib_process_mad; | |
996 | ||
8ad11fb6 JM |
997 | ibdev->ib_dev.alloc_fmr = mlx4_ib_fmr_alloc; |
998 | ibdev->ib_dev.map_phys_fmr = mlx4_ib_map_phys_fmr; | |
999 | ibdev->ib_dev.unmap_fmr = mlx4_ib_unmap_fmr; | |
1000 | ibdev->ib_dev.dealloc_fmr = mlx4_ib_fmr_dealloc; | |
1001 | ||
fa417f7b EC |
1002 | spin_lock_init(&iboe->lock); |
1003 | ||
225c7b1f RD |
1004 | if (init_node_data(ibdev)) |
1005 | goto err_map; | |
1006 | ||
1007 | spin_lock_init(&ibdev->sm_lock); | |
1008 | mutex_init(&ibdev->cap_mask_mutex); | |
1009 | ||
9a6edb60 | 1010 | if (ib_register_device(&ibdev->ib_dev, NULL)) |
225c7b1f RD |
1011 | goto err_map; |
1012 | ||
1013 | if (mlx4_ib_mad_init(ibdev)) | |
1014 | goto err_reg; | |
1015 | ||
fa417f7b EC |
1016 | if (dev->caps.flags & MLX4_DEV_CAP_FLAG_IBOE && !iboe->nb.notifier_call) { |
1017 | iboe->nb.notifier_call = mlx4_ib_netdev_event; | |
1018 | err = register_netdevice_notifier(&iboe->nb); | |
1019 | if (err) | |
1020 | goto err_reg; | |
1021 | } | |
1022 | ||
cd9281d8 | 1023 | for (i = 0; i < ARRAY_SIZE(mlx4_class_attributes); ++i) { |
f4e91eb4 TJ |
1024 | if (device_create_file(&ibdev->ib_dev.dev, |
1025 | mlx4_class_attributes[i])) | |
fa417f7b | 1026 | goto err_notif; |
cd9281d8 JM |
1027 | } |
1028 | ||
3b4a8cd5 JM |
1029 | ibdev->ib_active = true; |
1030 | ||
225c7b1f RD |
1031 | return ibdev; |
1032 | ||
fa417f7b EC |
1033 | err_notif: |
1034 | if (unregister_netdevice_notifier(&ibdev->iboe.nb)) | |
1035 | printk(KERN_WARNING "failure unregistering notifier\n"); | |
1036 | flush_workqueue(wq); | |
1037 | ||
225c7b1f RD |
1038 | err_reg: |
1039 | ib_unregister_device(&ibdev->ib_dev); | |
1040 | ||
1041 | err_map: | |
1042 | iounmap(ibdev->uar_map); | |
1043 | ||
1044 | err_uar: | |
1045 | mlx4_uar_free(dev, &ibdev->priv_uar); | |
1046 | ||
1047 | err_pd: | |
1048 | mlx4_pd_free(dev, ibdev->priv_pdn); | |
1049 | ||
1050 | err_dealloc: | |
1051 | ib_dealloc_device(&ibdev->ib_dev); | |
1052 | ||
1053 | return NULL; | |
1054 | } | |
1055 | ||
1056 | static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr) | |
1057 | { | |
1058 | struct mlx4_ib_dev *ibdev = ibdev_ptr; | |
1059 | int p; | |
1060 | ||
a6a47771 YP |
1061 | mlx4_ib_mad_cleanup(ibdev); |
1062 | ib_unregister_device(&ibdev->ib_dev); | |
fa417f7b EC |
1063 | if (ibdev->iboe.nb.notifier_call) { |
1064 | if (unregister_netdevice_notifier(&ibdev->iboe.nb)) | |
1065 | printk(KERN_WARNING "failure unregistering notifier\n"); | |
1066 | ibdev->iboe.nb.notifier_call = NULL; | |
1067 | } | |
1068 | iounmap(ibdev->uar_map); | |
a6a47771 | 1069 | |
fa417f7b | 1070 | mlx4_foreach_port(p, dev, MLX4_PORT_TYPE_IB) |
225c7b1f RD |
1071 | mlx4_CLOSE_PORT(dev, p); |
1072 | ||
225c7b1f RD |
1073 | mlx4_uar_free(dev, &ibdev->priv_uar); |
1074 | mlx4_pd_free(dev, ibdev->priv_pdn); | |
1075 | ib_dealloc_device(&ibdev->ib_dev); | |
1076 | } | |
1077 | ||
1078 | static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr, | |
37608eea | 1079 | enum mlx4_dev_event event, int port) |
225c7b1f RD |
1080 | { |
1081 | struct ib_event ibev; | |
7ff93f8b YP |
1082 | struct mlx4_ib_dev *ibdev = to_mdev((struct ib_device *) ibdev_ptr); |
1083 | ||
1084 | if (port > ibdev->num_ports) | |
1085 | return; | |
225c7b1f RD |
1086 | |
1087 | switch (event) { | |
37608eea RD |
1088 | case MLX4_DEV_EVENT_PORT_UP: |
1089 | ibev.event = IB_EVENT_PORT_ACTIVE; | |
225c7b1f RD |
1090 | break; |
1091 | ||
37608eea RD |
1092 | case MLX4_DEV_EVENT_PORT_DOWN: |
1093 | ibev.event = IB_EVENT_PORT_ERR; | |
1094 | break; | |
1095 | ||
1096 | case MLX4_DEV_EVENT_CATASTROPHIC_ERROR: | |
3b4a8cd5 | 1097 | ibdev->ib_active = false; |
225c7b1f RD |
1098 | ibev.event = IB_EVENT_DEVICE_FATAL; |
1099 | break; | |
1100 | ||
1101 | default: | |
1102 | return; | |
1103 | } | |
1104 | ||
1105 | ibev.device = ibdev_ptr; | |
1106 | ibev.element.port_num = port; | |
1107 | ||
1108 | ib_dispatch_event(&ibev); | |
1109 | } | |
1110 | ||
1111 | static struct mlx4_interface mlx4_ib_interface = { | |
fa417f7b EC |
1112 | .add = mlx4_ib_add, |
1113 | .remove = mlx4_ib_remove, | |
1114 | .event = mlx4_ib_event, | |
1115 | .protocol = MLX4_PROTOCOL_IB | |
225c7b1f RD |
1116 | }; |
1117 | ||
1118 | static int __init mlx4_ib_init(void) | |
1119 | { | |
fa417f7b EC |
1120 | int err; |
1121 | ||
1122 | wq = create_singlethread_workqueue("mlx4_ib"); | |
1123 | if (!wq) | |
1124 | return -ENOMEM; | |
1125 | ||
1126 | err = mlx4_register_interface(&mlx4_ib_interface); | |
1127 | if (err) { | |
1128 | destroy_workqueue(wq); | |
1129 | return err; | |
1130 | } | |
1131 | ||
1132 | return 0; | |
225c7b1f RD |
1133 | } |
1134 | ||
1135 | static void __exit mlx4_ib_cleanup(void) | |
1136 | { | |
1137 | mlx4_unregister_interface(&mlx4_ib_interface); | |
fa417f7b | 1138 | destroy_workqueue(wq); |
225c7b1f RD |
1139 | } |
1140 | ||
1141 | module_init(mlx4_ib_init); | |
1142 | module_exit(mlx4_ib_cleanup); |