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IPoIB: Handle case when P_Key is deleted and re-added at same index
[net-next-2.6.git] / drivers / infiniband / hw / mlx4 / main.c
CommitLineData
225c7b1f
RD		 1/*
2 * Copyright (c) 2006, 2007 Cisco Systems, Inc. All rights reserved.
3 *
4 * This software is available to you under a choice of one of two
5 * licenses. You may choose to be licensed under the terms of the GNU
6 * General Public License (GPL) Version 2, available from the file
7 * COPYING in the main directory of this source tree, or the
8 * OpenIB.org BSD license below:
9 *
10 * Redistribution and use in source and binary forms, with or
11 * without modification, are permitted provided that the following
12 * conditions are met:
13 *
14 * - Redistributions of source code must retain the above
15 * copyright notice, this list of conditions and the following
16 * disclaimer.
17 *
18 * - Redistributions in binary form must reproduce the above
19 * copyright notice, this list of conditions and the following
20 * disclaimer in the documentation and/or other materials
21 * provided with the distribution.
22 *
23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 * SOFTWARE.
31 */
32
33#include <linux/module.h>
34#include <linux/init.h>
35#include <linux/errno.h>
36
37#include <rdma/ib_smi.h>
38#include <rdma/ib_user_verbs.h>
39
40#include <linux/mlx4/driver.h>
41#include <linux/mlx4/cmd.h>
42
43#include "mlx4_ib.h"
44#include "user.h"
45
46#define DRV_NAME "mlx4_ib"
47#define DRV_VERSION "0.01"
48#define DRV_RELDATE "May 1, 2006"
49
50MODULE_AUTHOR("Roland Dreier");
51MODULE_DESCRIPTION("Mellanox ConnectX HCA InfiniBand driver");
52MODULE_LICENSE("Dual BSD/GPL");
53MODULE_VERSION(DRV_VERSION);
54
68f3948d 55static const char mlx4_ib_version[] =
225c7b1f
RD		 56 DRV_NAME ": Mellanox ConnectX InfiniBand driver v"
57 DRV_VERSION " (" DRV_RELDATE ")\n";
58
59static void init_query_mad(struct ib_smp *mad)
60{
61 mad->base_version = 1;
62 mad->mgmt_class = IB_MGMT_CLASS_SUBN_LID_ROUTED;
63 mad->class_version = 1;
64 mad->method = IB_MGMT_METHOD_GET;
65}
66
67static int mlx4_ib_query_device(struct ib_device *ibdev,
68 struct ib_device_attr *props)
69{
70 struct mlx4_ib_dev *dev = to_mdev(ibdev);
71 struct ib_smp *in_mad = NULL;
72 struct ib_smp *out_mad = NULL;
73 int err = -ENOMEM;
74
75 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
76 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
77 if (!in_mad || !out_mad)
78 goto out;
79
80 init_query_mad(in_mad);
81 in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
82
83 err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, 1, NULL, NULL, in_mad, out_mad);
84 if (err)
85 goto out;
86
87 memset(props, 0, sizeof *props);
88
89 props->fw_ver = dev->dev->caps.fw_ver;
90 props->device_cap_flags = IB_DEVICE_CHANGE_PHY_PORT |
91 IB_DEVICE_PORT_ACTIVE_EVENT |
92 IB_DEVICE_SYS_IMAGE_GUID |
93 IB_DEVICE_RC_RNR_NAK_GEN;
94 if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_PKEY_CNTR)
95 props->device_cap_flags |= IB_DEVICE_BAD_PKEY_CNTR;
96 if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_BAD_QKEY_CNTR)
97 props->device_cap_flags |= IB_DEVICE_BAD_QKEY_CNTR;
98 if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_APM)
99 props->device_cap_flags |= IB_DEVICE_AUTO_PATH_MIG;
100 if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_UD_AV_PORT)
101 props->device_cap_flags |= IB_DEVICE_UD_AV_PORT_ENFORCE;
8ff095ec
EC		 102 if (dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_IPOIB_CSUM)
103 props->device_cap_flags |= IB_DEVICE_UD_IP_CSUM;
b832be1e
EC		 104 if (dev->dev->caps.max_gso_sz)
105 props->device_cap_flags |= IB_DEVICE_UD_TSO;
225c7b1f
RD		 106
107 props->vendor_id = be32_to_cpup((__be32 *) (out_mad->data + 36)) &
108 0xffffff;
109 props->vendor_part_id = be16_to_cpup((__be16 *) (out_mad->data + 30));
110 props->hw_ver = be32_to_cpup((__be32 *) (out_mad->data + 32));
111 memcpy(&props->sys_image_guid, out_mad->data + 4, 8);
112
113 props->max_mr_size = ~0ull;
114 props->page_size_cap = dev->dev->caps.page_size_cap;
115 props->max_qp = dev->dev->caps.num_qps - dev->dev->caps.reserved_qps;
116 props->max_qp_wr = dev->dev->caps.max_wqes;
117 props->max_sge = min(dev->dev->caps.max_sq_sg,
118 dev->dev->caps.max_rq_sg);
119 props->max_cq = dev->dev->caps.num_cqs - dev->dev->caps.reserved_cqs;
120 props->max_cqe = dev->dev->caps.max_cqes;
121 props->max_mr = dev->dev->caps.num_mpts - dev->dev->caps.reserved_mrws;
122 props->max_pd = dev->dev->caps.num_pds - dev->dev->caps.reserved_pds;
123 props->max_qp_rd_atom = dev->dev->caps.max_qp_dest_rdma;
124 props->max_qp_init_rd_atom = dev->dev->caps.max_qp_init_rdma;
125 props->max_res_rd_atom = props->max_qp_rd_atom * props->max_qp;
126 props->max_srq = dev->dev->caps.num_srqs - dev->dev->caps.reserved_srqs;
c8681f14 127 props->max_srq_wr = dev->dev->caps.max_srq_wqes - 1;
225c7b1f
RD		 128 props->max_srq_sge = dev->dev->caps.max_srq_sge;
129 props->local_ca_ack_delay = dev->dev->caps.local_ca_ack_delay;
130 props->atomic_cap = dev->dev->caps.flags & MLX4_DEV_CAP_FLAG_ATOMIC ?
131 IB_ATOMIC_HCA : IB_ATOMIC_NONE;
5ae2a7a8 132 props->max_pkeys = dev->dev->caps.pkey_table_len[1];
225c7b1f
RD		 133 props->max_mcast_grp = dev->dev->caps.num_mgms + dev->dev->caps.num_amgms;
134 props->max_mcast_qp_attach = dev->dev->caps.num_qp_per_mgm;
135 props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
136 props->max_mcast_grp;
137 props->max_map_per_fmr = (1 << (32 - ilog2(dev->dev->caps.num_mpts))) - 1;
138
139out:
140 kfree(in_mad);
141 kfree(out_mad);
142
143 return err;
144}
145
146static int mlx4_ib_query_port(struct ib_device *ibdev, u8 port,
147 struct ib_port_attr *props)
148{
149 struct ib_smp *in_mad = NULL;
150 struct ib_smp *out_mad = NULL;
151 int err = -ENOMEM;
152
153 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
154 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
155 if (!in_mad || !out_mad)
156 goto out;
157
158 memset(props, 0, sizeof *props);
159
160 init_query_mad(in_mad);
161 in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
162 in_mad->attr_mod = cpu_to_be32(port);
163
164 err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad);
165 if (err)
166 goto out;
167
168 props->lid = be16_to_cpup((__be16 *) (out_mad->data + 16));
169 props->lmc = out_mad->data[34] & 0x7;
170 props->sm_lid = be16_to_cpup((__be16 *) (out_mad->data + 18));
171 props->sm_sl = out_mad->data[36] & 0xf;
172 props->state = out_mad->data[32] & 0xf;
173 props->phys_state = out_mad->data[33] >> 4;
174 props->port_cap_flags = be32_to_cpup((__be32 *) (out_mad->data + 20));
5ae2a7a8 175 props->gid_tbl_len = to_mdev(ibdev)->dev->caps.gid_table_len[port];
149983af 176 props->max_msg_sz = to_mdev(ibdev)->dev->caps.max_msg_sz;
5ae2a7a8 177 props->pkey_tbl_len = to_mdev(ibdev)->dev->caps.pkey_table_len[port];
225c7b1f
RD		 178 props->bad_pkey_cntr = be16_to_cpup((__be16 *) (out_mad->data + 46));
179 props->qkey_viol_cntr = be16_to_cpup((__be16 *) (out_mad->data + 48));
180 props->active_width = out_mad->data[31] & 0xf;
181 props->active_speed = out_mad->data[35] >> 4;
182 props->max_mtu = out_mad->data[41] & 0xf;
183 props->active_mtu = out_mad->data[36] >> 4;
184 props->subnet_timeout = out_mad->data[51] & 0x1f;
185 props->max_vl_num = out_mad->data[37] >> 4;
186 props->init_type_reply = out_mad->data[41] >> 4;
187
188out:
189 kfree(in_mad);
190 kfree(out_mad);
191
192 return err;
193}
194
195static int mlx4_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
196 union ib_gid *gid)
197{
198 struct ib_smp *in_mad = NULL;
199 struct ib_smp *out_mad = NULL;
200 int err = -ENOMEM;
201
202 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
203 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
204 if (!in_mad || !out_mad)
205 goto out;
206
207 init_query_mad(in_mad);
208 in_mad->attr_id = IB_SMP_ATTR_PORT_INFO;
209 in_mad->attr_mod = cpu_to_be32(port);
210
211 err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad);
212 if (err)
213 goto out;
214
215 memcpy(gid->raw, out_mad->data + 8, 8);
216
217 init_query_mad(in_mad);
218 in_mad->attr_id = IB_SMP_ATTR_GUID_INFO;
219 in_mad->attr_mod = cpu_to_be32(index / 8);
220
221 err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad);
222 if (err)
223 goto out;
224
225 memcpy(gid->raw + 8, out_mad->data + (index % 8) * 8, 8);
226
227out:
228 kfree(in_mad);
229 kfree(out_mad);
230 return err;
231}
232
233static int mlx4_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
234 u16 *pkey)
235{
236 struct ib_smp *in_mad = NULL;
237 struct ib_smp *out_mad = NULL;
238 int err = -ENOMEM;
239
240 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
241 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
242 if (!in_mad || !out_mad)
243 goto out;
244
245 init_query_mad(in_mad);
246 in_mad->attr_id = IB_SMP_ATTR_PKEY_TABLE;
247 in_mad->attr_mod = cpu_to_be32(index / 32);
248
249 err = mlx4_MAD_IFC(to_mdev(ibdev), 1, 1, port, NULL, NULL, in_mad, out_mad);
250 if (err)
251 goto out;
252
253 *pkey = be16_to_cpu(((__be16 *) out_mad->data)[index % 32]);
254
255out:
256 kfree(in_mad);
257 kfree(out_mad);
258 return err;
259}
260
261static int mlx4_ib_modify_device(struct ib_device *ibdev, int mask,
262 struct ib_device_modify *props)
263{
264 if (mask & ~IB_DEVICE_MODIFY_NODE_DESC)
265 return -EOPNOTSUPP;
266
267 if (mask & IB_DEVICE_MODIFY_NODE_DESC) {
268 spin_lock(&to_mdev(ibdev)->sm_lock);
269 memcpy(ibdev->node_desc, props->node_desc, 64);
270 spin_unlock(&to_mdev(ibdev)->sm_lock);
271 }
272
273 return 0;
274}
275
276static int mlx4_SET_PORT(struct mlx4_ib_dev *dev, u8 port, int reset_qkey_viols,
277 u32 cap_mask)
278{
279 struct mlx4_cmd_mailbox *mailbox;
280 int err;
281
282 mailbox = mlx4_alloc_cmd_mailbox(dev->dev);
283 if (IS_ERR(mailbox))
284 return PTR_ERR(mailbox);
285
286 memset(mailbox->buf, 0, 256);
5ae2a7a8
RD		 287
288 if (dev->dev->flags & MLX4_FLAG_OLD_PORT_CMDS) {
289 *(u8 *) mailbox->buf = !!reset_qkey_viols << 6;
290 ((__be32 *) mailbox->buf)[2] = cpu_to_be32(cap_mask);
291 } else {
292 ((u8 *) mailbox->buf)[3] = !!reset_qkey_viols;
293 ((__be32 *) mailbox->buf)[1] = cpu_to_be32(cap_mask);
294 }
225c7b1f
RD		 295
296 err = mlx4_cmd(dev->dev, mailbox->dma, port, 0, MLX4_CMD_SET_PORT,
297 MLX4_CMD_TIME_CLASS_B);
298
299 mlx4_free_cmd_mailbox(dev->dev, mailbox);
300 return err;
301}
302
303static int mlx4_ib_modify_port(struct ib_device *ibdev, u8 port, int mask,
304 struct ib_port_modify *props)
305{
306 struct ib_port_attr attr;
307 u32 cap_mask;
308 int err;
309
310 mutex_lock(&to_mdev(ibdev)->cap_mask_mutex);
311
312 err = mlx4_ib_query_port(ibdev, port, &attr);
313 if (err)
314 goto out;
315
316 cap_mask = (attr.port_cap_flags | props->set_port_cap_mask) &
317 ~props->clr_port_cap_mask;
318
319 err = mlx4_SET_PORT(to_mdev(ibdev), port,
320 !!(mask & IB_PORT_RESET_QKEY_CNTR),
321 cap_mask);
322
323out:
324 mutex_unlock(&to_mdev(ibdev)->cap_mask_mutex);
325 return err;
326}
327
328static struct ib_ucontext *mlx4_ib_alloc_ucontext(struct ib_device *ibdev,
329 struct ib_udata *udata)
330{
331 struct mlx4_ib_dev *dev = to_mdev(ibdev);
332 struct mlx4_ib_ucontext *context;
333 struct mlx4_ib_alloc_ucontext_resp resp;
334 int err;
335
336 resp.qp_tab_size = dev->dev->caps.num_qps;
337 resp.bf_reg_size = dev->dev->caps.bf_reg_size;
338 resp.bf_regs_per_page = dev->dev->caps.bf_regs_per_page;
339
340 context = kmalloc(sizeof *context, GFP_KERNEL);
341 if (!context)
342 return ERR_PTR(-ENOMEM);
343
344 err = mlx4_uar_alloc(to_mdev(ibdev)->dev, &context->uar);
345 if (err) {
346 kfree(context);
347 return ERR_PTR(err);
348 }
349
350 INIT_LIST_HEAD(&context->db_page_list);
351 mutex_init(&context->db_page_mutex);
352
353 err = ib_copy_to_udata(udata, &resp, sizeof resp);
354 if (err) {
355 mlx4_uar_free(to_mdev(ibdev)->dev, &context->uar);
356 kfree(context);
357 return ERR_PTR(-EFAULT);
358 }
359
360 return &context->ibucontext;
361}
362
363static int mlx4_ib_dealloc_ucontext(struct ib_ucontext *ibcontext)
364{
365 struct mlx4_ib_ucontext *context = to_mucontext(ibcontext);
366
367 mlx4_uar_free(to_mdev(ibcontext->device)->dev, &context->uar);
368 kfree(context);
369
370 return 0;
371}
372
373static int mlx4_ib_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
374{
375 struct mlx4_ib_dev *dev = to_mdev(context->device);
376
377 if (vma->vm_end - vma->vm_start != PAGE_SIZE)
378 return -EINVAL;
379
380 if (vma->vm_pgoff == 0) {
381 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
382
383 if (io_remap_pfn_range(vma, vma->vm_start,
384 to_mucontext(context)->uar.pfn,
385 PAGE_SIZE, vma->vm_page_prot))
386 return -EAGAIN;
387 } else if (vma->vm_pgoff == 1 && dev->dev->caps.bf_reg_size != 0) {
388 /* FIXME want pgprot_writecombine() for BlueFlame pages */
389 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
390
391 if (io_remap_pfn_range(vma, vma->vm_start,
392 to_mucontext(context)->uar.pfn +
393 dev->dev->caps.num_uars,
394 PAGE_SIZE, vma->vm_page_prot))
395 return -EAGAIN;
396 } else
397 return -EINVAL;
398
399 return 0;
400}
401
402static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev,
403 struct ib_ucontext *context,
404 struct ib_udata *udata)
405{
406 struct mlx4_ib_pd *pd;
407 int err;
408
409 pd = kmalloc(sizeof *pd, GFP_KERNEL);
410 if (!pd)
411 return ERR_PTR(-ENOMEM);
412
413 err = mlx4_pd_alloc(to_mdev(ibdev)->dev, &pd->pdn);
414 if (err) {
415 kfree(pd);
416 return ERR_PTR(err);
417 }
418
419 if (context)
420 if (ib_copy_to_udata(udata, &pd->pdn, sizeof (__u32))) {
421 mlx4_pd_free(to_mdev(ibdev)->dev, pd->pdn);
422 kfree(pd);
423 return ERR_PTR(-EFAULT);
424 }
425
426 return &pd->ibpd;
427}
428
429static int mlx4_ib_dealloc_pd(struct ib_pd *pd)
430{
431 mlx4_pd_free(to_mdev(pd->device)->dev, to_mpd(pd)->pdn);
432 kfree(pd);
433
434 return 0;
435}
436
437static int mlx4_ib_mcg_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
438{
439 return mlx4_multicast_attach(to_mdev(ibqp->device)->dev,
440 &to_mqp(ibqp)->mqp, gid->raw);
441}
442
443static int mlx4_ib_mcg_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
444{
445 return mlx4_multicast_detach(to_mdev(ibqp->device)->dev,
446 &to_mqp(ibqp)->mqp, gid->raw);
447}
448
449static int init_node_data(struct mlx4_ib_dev *dev)
450{
451 struct ib_smp *in_mad = NULL;
452 struct ib_smp *out_mad = NULL;
453 int err = -ENOMEM;
454
455 in_mad = kzalloc(sizeof *in_mad, GFP_KERNEL);
456 out_mad = kmalloc(sizeof *out_mad, GFP_KERNEL);
457 if (!in_mad || !out_mad)
458 goto out;
459
460 init_query_mad(in_mad);
461 in_mad->attr_id = IB_SMP_ATTR_NODE_DESC;
462
463 err = mlx4_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad);
464 if (err)
465 goto out;
466
467 memcpy(dev->ib_dev.node_desc, out_mad->data, 64);
468
469 in_mad->attr_id = IB_SMP_ATTR_NODE_INFO;
470
471 err = mlx4_MAD_IFC(dev, 1, 1, 1, NULL, NULL, in_mad, out_mad);
472 if (err)
473 goto out;
474
893da759 475 dev->dev->rev_id = be32_to_cpup((__be32 *) (out_mad->data + 32));
225c7b1f
RD		 476 memcpy(&dev->ib_dev.node_guid, out_mad->data + 12, 8);
477
478out:
479 kfree(in_mad);
480 kfree(out_mad);
481 return err;
482}
483
cd9281d8
JM		 484static ssize_t show_hca(struct class_device *cdev, char *buf)
485{
486 struct mlx4_ib_dev *dev = container_of(cdev, struct mlx4_ib_dev, ib_dev.class_dev);
487 return sprintf(buf, "MT%d\n", dev->dev->pdev->device);
488}
489
490static ssize_t show_fw_ver(struct class_device *cdev, char *buf)
491{
492 struct mlx4_ib_dev *dev = container_of(cdev, struct mlx4_ib_dev, ib_dev.class_dev);
493 return sprintf(buf, "%d.%d.%d\n", (int) (dev->dev->caps.fw_ver >> 32),
494 (int) (dev->dev->caps.fw_ver >> 16) & 0xffff,
495 (int) dev->dev->caps.fw_ver & 0xffff);
496}
497
498static ssize_t show_rev(struct class_device *cdev, char *buf)
499{
500 struct mlx4_ib_dev *dev = container_of(cdev, struct mlx4_ib_dev, ib_dev.class_dev);
501 return sprintf(buf, "%x\n", dev->dev->rev_id);
502}
503
504static ssize_t show_board(struct class_device *cdev, char *buf)
505{
506 struct mlx4_ib_dev *dev = container_of(cdev, struct mlx4_ib_dev, ib_dev.class_dev);
507 return sprintf(buf, "%.*s\n", MLX4_BOARD_ID_LEN, dev->dev->board_id);
508}
509
510static CLASS_DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
511static CLASS_DEVICE_ATTR(fw_ver, S_IRUGO, show_fw_ver, NULL);
512static CLASS_DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
513static CLASS_DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
514
515static struct class_device_attribute *mlx4_class_attributes[] = {
516 &class_device_attr_hw_rev,
517 &class_device_attr_fw_ver,
518 &class_device_attr_hca_type,
519 &class_device_attr_board_id
520};
521
225c7b1f
RD		 522static void *mlx4_ib_add(struct mlx4_dev *dev)
523{
68f3948d 524 static int mlx4_ib_version_printed;
225c7b1f 525 struct mlx4_ib_dev *ibdev;
cd9281d8 526 int i;
225c7b1f 527
68f3948d
RD		 528
529 if (!mlx4_ib_version_printed) {
530 printk(KERN_INFO "%s", mlx4_ib_version);
531 ++mlx4_ib_version_printed;
532 }
533
225c7b1f
RD		 534 ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof *ibdev);
535 if (!ibdev) {
536 dev_err(&dev->pdev->dev, "Device struct alloc failed\n");
537 return NULL;
538 }
539
540 if (mlx4_pd_alloc(dev, &ibdev->priv_pdn))
541 goto err_dealloc;
542
543 if (mlx4_uar_alloc(dev, &ibdev->priv_uar))
544 goto err_pd;
545
546 ibdev->uar_map = ioremap(ibdev->priv_uar.pfn << PAGE_SHIFT, PAGE_SIZE);
547 if (!ibdev->uar_map)
548 goto err_uar;
26c6bc7b 549 MLX4_INIT_DOORBELL_LOCK(&ibdev->uar_lock);
225c7b1f
RD		 550
551 INIT_LIST_HEAD(&ibdev->pgdir_list);
552 mutex_init(&ibdev->pgdir_mutex);
553
554 ibdev->dev = dev;
555
556 strlcpy(ibdev->ib_dev.name, "mlx4_%d", IB_DEVICE_NAME_MAX);
557 ibdev->ib_dev.owner = THIS_MODULE;
558 ibdev->ib_dev.node_type = RDMA_NODE_IB_CA;
559 ibdev->ib_dev.phys_port_cnt = dev->caps.num_ports;
560 ibdev->ib_dev.num_comp_vectors = 1;
561 ibdev->ib_dev.dma_device = &dev->pdev->dev;
562
563 ibdev->ib_dev.uverbs_abi_ver = MLX4_IB_UVERBS_ABI_VERSION;
564 ibdev->ib_dev.uverbs_cmd_mask =
565 (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
566 (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
567 (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
568 (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
569 (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
570 (1ull << IB_USER_VERBS_CMD_REG_MR) |
571 (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
572 (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
573 (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
bbf8eed1 574 (1ull << IB_USER_VERBS_CMD_RESIZE_CQ) |
225c7b1f
RD		 575 (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
576 (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
577 (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
6a775e2b 578 (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
225c7b1f
RD		 579 (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
580 (1ull << IB_USER_VERBS_CMD_ATTACH_MCAST) |
581 (1ull << IB_USER_VERBS_CMD_DETACH_MCAST) |
582 (1ull << IB_USER_VERBS_CMD_CREATE_SRQ) |
583 (1ull << IB_USER_VERBS_CMD_MODIFY_SRQ) |
65541cb7 584 (1ull << IB_USER_VERBS_CMD_QUERY_SRQ) |
225c7b1f
RD		 585 (1ull << IB_USER_VERBS_CMD_DESTROY_SRQ);
586
587 ibdev->ib_dev.query_device = mlx4_ib_query_device;
588 ibdev->ib_dev.query_port = mlx4_ib_query_port;
589 ibdev->ib_dev.query_gid = mlx4_ib_query_gid;
590 ibdev->ib_dev.query_pkey = mlx4_ib_query_pkey;
591 ibdev->ib_dev.modify_device = mlx4_ib_modify_device;
592 ibdev->ib_dev.modify_port = mlx4_ib_modify_port;
593 ibdev->ib_dev.alloc_ucontext = mlx4_ib_alloc_ucontext;
594 ibdev->ib_dev.dealloc_ucontext = mlx4_ib_dealloc_ucontext;
595 ibdev->ib_dev.mmap = mlx4_ib_mmap;
596 ibdev->ib_dev.alloc_pd = mlx4_ib_alloc_pd;
597 ibdev->ib_dev.dealloc_pd = mlx4_ib_dealloc_pd;
598 ibdev->ib_dev.create_ah = mlx4_ib_create_ah;
599 ibdev->ib_dev.query_ah = mlx4_ib_query_ah;
600 ibdev->ib_dev.destroy_ah = mlx4_ib_destroy_ah;
601 ibdev->ib_dev.create_srq = mlx4_ib_create_srq;
602 ibdev->ib_dev.modify_srq = mlx4_ib_modify_srq;
65541cb7 603 ibdev->ib_dev.query_srq = mlx4_ib_query_srq;
225c7b1f
RD		 604 ibdev->ib_dev.destroy_srq = mlx4_ib_destroy_srq;
605 ibdev->ib_dev.post_srq_recv = mlx4_ib_post_srq_recv;
606 ibdev->ib_dev.create_qp = mlx4_ib_create_qp;
607 ibdev->ib_dev.modify_qp = mlx4_ib_modify_qp;
6a775e2b 608 ibdev->ib_dev.query_qp = mlx4_ib_query_qp;
225c7b1f
RD		 609 ibdev->ib_dev.destroy_qp = mlx4_ib_destroy_qp;
610 ibdev->ib_dev.post_send = mlx4_ib_post_send;
611 ibdev->ib_dev.post_recv = mlx4_ib_post_recv;
612 ibdev->ib_dev.create_cq = mlx4_ib_create_cq;
3fdcb97f 613 ibdev->ib_dev.modify_cq = mlx4_ib_modify_cq;
bbf8eed1 614 ibdev->ib_dev.resize_cq = mlx4_ib_resize_cq;
225c7b1f
RD		 615 ibdev->ib_dev.destroy_cq = mlx4_ib_destroy_cq;
616 ibdev->ib_dev.poll_cq = mlx4_ib_poll_cq;
617 ibdev->ib_dev.req_notify_cq = mlx4_ib_arm_cq;
618 ibdev->ib_dev.get_dma_mr = mlx4_ib_get_dma_mr;
619 ibdev->ib_dev.reg_user_mr = mlx4_ib_reg_user_mr;
620 ibdev->ib_dev.dereg_mr = mlx4_ib_dereg_mr;
621 ibdev->ib_dev.attach_mcast = mlx4_ib_mcg_attach;
622 ibdev->ib_dev.detach_mcast = mlx4_ib_mcg_detach;
623 ibdev->ib_dev.process_mad = mlx4_ib_process_mad;
624
8ad11fb6
JM		 625 ibdev->ib_dev.alloc_fmr = mlx4_ib_fmr_alloc;
626 ibdev->ib_dev.map_phys_fmr = mlx4_ib_map_phys_fmr;
627 ibdev->ib_dev.unmap_fmr = mlx4_ib_unmap_fmr;
628 ibdev->ib_dev.dealloc_fmr = mlx4_ib_fmr_dealloc;
629
225c7b1f
RD		 630 if (init_node_data(ibdev))
631 goto err_map;
632
633 spin_lock_init(&ibdev->sm_lock);
634 mutex_init(&ibdev->cap_mask_mutex);
635
636 if (ib_register_device(&ibdev->ib_dev))
637 goto err_map;
638
639 if (mlx4_ib_mad_init(ibdev))
640 goto err_reg;
641
cd9281d8
JM		 642 for (i = 0; i < ARRAY_SIZE(mlx4_class_attributes); ++i) {
643 if (class_device_create_file(&ibdev->ib_dev.class_dev,
644 mlx4_class_attributes[i]))
645 goto err_reg;
646 }
647
225c7b1f
RD		 648 return ibdev;
649
650err_reg:
651 ib_unregister_device(&ibdev->ib_dev);
652
653err_map:
654 iounmap(ibdev->uar_map);
655
656err_uar:
657 mlx4_uar_free(dev, &ibdev->priv_uar);
658
659err_pd:
660 mlx4_pd_free(dev, ibdev->priv_pdn);
661
662err_dealloc:
663 ib_dealloc_device(&ibdev->ib_dev);
664
665 return NULL;
666}
667
668static void mlx4_ib_remove(struct mlx4_dev *dev, void *ibdev_ptr)
669{
670 struct mlx4_ib_dev *ibdev = ibdev_ptr;
671 int p;
672
673 for (p = 1; p <= dev->caps.num_ports; ++p)
674 mlx4_CLOSE_PORT(dev, p);
675
676 mlx4_ib_mad_cleanup(ibdev);
677 ib_unregister_device(&ibdev->ib_dev);
678 iounmap(ibdev->uar_map);
679 mlx4_uar_free(dev, &ibdev->priv_uar);
680 mlx4_pd_free(dev, ibdev->priv_pdn);
681 ib_dealloc_device(&ibdev->ib_dev);
682}
683
684static void mlx4_ib_event(struct mlx4_dev *dev, void *ibdev_ptr,
37608eea 685 enum mlx4_dev_event event, int port)
225c7b1f
RD		 686{
687 struct ib_event ibev;
688
689 switch (event) {
37608eea
RD		 690 case MLX4_DEV_EVENT_PORT_UP:
691 ibev.event = IB_EVENT_PORT_ACTIVE;
225c7b1f
RD		 692 break;
693
37608eea
RD		 694 case MLX4_DEV_EVENT_PORT_DOWN:
695 ibev.event = IB_EVENT_PORT_ERR;
696 break;
697
698 case MLX4_DEV_EVENT_CATASTROPHIC_ERROR:
225c7b1f
RD		 699 ibev.event = IB_EVENT_DEVICE_FATAL;
700 break;
701
702 default:
703 return;
704 }
705
706 ibev.device = ibdev_ptr;
707 ibev.element.port_num = port;
708
709 ib_dispatch_event(&ibev);
710}
711
712static struct mlx4_interface mlx4_ib_interface = {
713 .add = mlx4_ib_add,
714 .remove = mlx4_ib_remove,
715 .event = mlx4_ib_event
716};
717
718static int __init mlx4_ib_init(void)
719{
720 return mlx4_register_interface(&mlx4_ib_interface);
721}
722
723static void __exit mlx4_ib_cleanup(void)
724{
725 mlx4_unregister_interface(&mlx4_ib_interface);
726}
727
728module_init(mlx4_ib_init);
729module_exit(mlx4_ib_cleanup);
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