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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm...
[mirror_ubuntu-artful-kernel.git] / drivers / infiniband / hw / cxgb4 / provider.c
CommitLineData
cfdda9d7
SW		 1/*
2 * Copyright (c) 2009-2010 Chelsio, 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#include <linux/module.h>
33#include <linux/moduleparam.h>
34#include <linux/device.h>
35#include <linux/netdevice.h>
36#include <linux/etherdevice.h>
37#include <linux/delay.h>
38#include <linux/errno.h>
39#include <linux/list.h>
40#include <linux/spinlock.h>
41#include <linux/ethtool.h>
42#include <linux/rtnetlink.h>
43#include <linux/inetdevice.h>
44#include <linux/io.h>
45
46#include <asm/irq.h>
47#include <asm/byteorder.h>
48
49#include <rdma/iw_cm.h>
50#include <rdma/ib_verbs.h>
51#include <rdma/ib_smi.h>
52#include <rdma/ib_umem.h>
53#include <rdma/ib_user_verbs.h>
54
55#include "iw_cxgb4.h"
56
40dbf6ee 57static int fastreg_support = 1;
cfdda9d7 58module_param(fastreg_support, int, 0644);
40dbf6ee 59MODULE_PARM_DESC(fastreg_support, "Advertise fastreg support (default=1)");
cfdda9d7 60
cfdda9d7 61static struct ib_ah *c4iw_ah_create(struct ib_pd *pd,
477864c8
MS		 62 struct ib_ah_attr *ah_attr,
63 struct ib_udata *udata)
64
cfdda9d7
SW		 65{
66 return ERR_PTR(-ENOSYS);
67}
68
69static int c4iw_ah_destroy(struct ib_ah *ah)
70{
71 return -ENOSYS;
72}
73
74static int c4iw_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
75{
76 return -ENOSYS;
77}
78
79static int c4iw_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
80{
81 return -ENOSYS;
82}
83
84static int c4iw_process_mad(struct ib_device *ibdev, int mad_flags,
a97e2d86
IW		 85 u8 port_num, const struct ib_wc *in_wc,
86 const struct ib_grh *in_grh,
4cd7c947
IW		 87 const struct ib_mad_hdr *in_mad,
88 size_t in_mad_size,
89 struct ib_mad_hdr *out_mad,
90 size_t *out_mad_size,
91 u16 *out_mad_pkey_index)
cfdda9d7
SW		 92{
93 return -ENOSYS;
94}
95
c12a67fe 96void _c4iw_free_ucontext(struct kref *kref)
cfdda9d7 97{
c12a67fe
SW		 98 struct c4iw_ucontext *ucontext;
99 struct c4iw_dev *rhp;
cfdda9d7
SW		 100 struct c4iw_mm_entry *mm, *tmp;
101
c12a67fe
SW		 102 ucontext = container_of(kref, struct c4iw_ucontext, kref);
103 rhp = to_c4iw_dev(ucontext->ibucontext.device);
104
105 PDBG("%s ucontext %p\n", __func__, ucontext);
cfdda9d7
SW		 106 list_for_each_entry_safe(mm, tmp, &ucontext->mmaps, entry)
107 kfree(mm);
108 c4iw_release_dev_ucontext(&rhp->rdev, &ucontext->uctx);
109 kfree(ucontext);
c12a67fe
SW		 110}
111
112static int c4iw_dealloc_ucontext(struct ib_ucontext *context)
113{
114 struct c4iw_ucontext *ucontext = to_c4iw_ucontext(context);
115
116 PDBG("%s context %p\n", __func__, context);
117 c4iw_put_ucontext(ucontext);
cfdda9d7
SW		 118 return 0;
119}
120
121static struct ib_ucontext *c4iw_alloc_ucontext(struct ib_device *ibdev,
122 struct ib_udata *udata)
123{
124 struct c4iw_ucontext *context;
125 struct c4iw_dev *rhp = to_c4iw_dev(ibdev);
05eb2389
SW		 126 static int warned;
127 struct c4iw_alloc_ucontext_resp uresp;
128 int ret = 0;
129 struct c4iw_mm_entry *mm = NULL;
cfdda9d7
SW		 130
131 PDBG("%s ibdev %p\n", __func__, ibdev);
132 context = kzalloc(sizeof(*context), GFP_KERNEL);
05eb2389
SW		 133 if (!context) {
134 ret = -ENOMEM;
135 goto err;
136 }
137
cfdda9d7
SW		 138 c4iw_init_dev_ucontext(&rhp->rdev, &context->uctx);
139 INIT_LIST_HEAD(&context->mmaps);
140 spin_lock_init(&context->mmap_lock);
c12a67fe 141 kref_init(&context->kref);
05eb2389 142
b7dfa889 143 if (udata->outlen < sizeof(uresp) - sizeof(uresp.reserved)) {
05eb2389
SW		 144 if (!warned++)
145 pr_err(MOD "Warning - downlevel libcxgb4 (non-fatal), device status page disabled.");
146 rhp->rdev.flags |= T4_STATUS_PAGE_DISABLED;
147 } else {
148 mm = kmalloc(sizeof(*mm), GFP_KERNEL);
bfd2793c
YD		 149 if (!mm) {
150 ret = -ENOMEM;
05eb2389 151 goto err_free;
bfd2793c 152 }
05eb2389
SW		 153
154 uresp.status_page_size = PAGE_SIZE;
155
156 spin_lock(&context->mmap_lock);
157 uresp.status_page_key = context->key;
158 context->key += PAGE_SIZE;
159 spin_unlock(&context->mmap_lock);
160
b7dfa889
YD		 161 ret = ib_copy_to_udata(udata, &uresp,
162 sizeof(uresp) - sizeof(uresp.reserved));
05eb2389
SW		 163 if (ret)
164 goto err_mm;
165
166 mm->key = uresp.status_page_key;
167 mm->addr = virt_to_phys(rhp->rdev.status_page);
168 mm->len = PAGE_SIZE;
169 insert_mmap(context, mm);
170 }
cfdda9d7 171 return &context->ibucontext;
05eb2389
SW		 172err_mm:
173 kfree(mm);
174err_free:
175 kfree(context);
176err:
177 return ERR_PTR(ret);
cfdda9d7
SW		 178}
179
180static int c4iw_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
181{
182 int len = vma->vm_end - vma->vm_start;
183 u32 key = vma->vm_pgoff << PAGE_SHIFT;
184 struct c4iw_rdev *rdev;
185 int ret = 0;
186 struct c4iw_mm_entry *mm;
187 struct c4iw_ucontext *ucontext;
188 u64 addr;
189
190 PDBG("%s pgoff 0x%lx key 0x%x len %d\n", __func__, vma->vm_pgoff,
191 key, len);
192
193 if (vma->vm_start & (PAGE_SIZE-1))
194 return -EINVAL;
195
196 rdev = &(to_c4iw_dev(context->device)->rdev);
197 ucontext = to_c4iw_ucontext(context);
198
199 mm = remove_mmap(ucontext, key, len);
200 if (!mm)
201 return -EINVAL;
202 addr = mm->addr;
203 kfree(mm);
204
c6d7b267
SW		 205 if ((addr >= pci_resource_start(rdev->lldi.pdev, 0)) &&
206 (addr < (pci_resource_start(rdev->lldi.pdev, 0) +
207 pci_resource_len(rdev->lldi.pdev, 0)))) {
cfdda9d7
SW		 208
209 /*
c6d7b267 210 * MA_SYNC register...
cfdda9d7 211 */
cfdda9d7 212 vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
c6d7b267
SW		 213 ret = io_remap_pfn_range(vma, vma->vm_start,
214 addr >> PAGE_SHIFT,
215 len, vma->vm_page_prot);
216 } else if ((addr >= pci_resource_start(rdev->lldi.pdev, 2)) &&
217 (addr < (pci_resource_start(rdev->lldi.pdev, 2) +
218 pci_resource_len(rdev->lldi.pdev, 2)))) {
219
220 /*
221 * Map user DB or OCQP memory...
222 */
223 if (addr >= rdev->oc_mw_pa)
224 vma->vm_page_prot = t4_pgprot_wc(vma->vm_page_prot);
f079af7a 225 else {
963cab50 226 if (!is_t4(rdev->lldi.adapter_type))
f079af7a
VP		 227 vma->vm_page_prot =
228 t4_pgprot_wc(vma->vm_page_prot);
229 else
230 vma->vm_page_prot =
231 pgprot_noncached(vma->vm_page_prot);
232 }
cfdda9d7
SW		 233 ret = io_remap_pfn_range(vma, vma->vm_start,
234 addr >> PAGE_SHIFT,
235 len, vma->vm_page_prot);
236 } else {
237
238 /*
239 * Map WQ or CQ contig dma memory...
240 */
241 ret = remap_pfn_range(vma, vma->vm_start,
242 addr >> PAGE_SHIFT,
243 len, vma->vm_page_prot);
244 }
245
246 return ret;
247}
248
249static int c4iw_deallocate_pd(struct ib_pd *pd)
250{
251 struct c4iw_dev *rhp;
252 struct c4iw_pd *php;
253
254 php = to_c4iw_pd(pd);
255 rhp = php->rhp;
256 PDBG("%s ibpd %p pdid 0x%x\n", __func__, pd, php->pdid);
ec3eead2 257 c4iw_put_resource(&rhp->rdev.resource.pdid_table, php->pdid);
8d81ef34
VP		 258 mutex_lock(&rhp->rdev.stats.lock);
259 rhp->rdev.stats.pd.cur--;
260 mutex_unlock(&rhp->rdev.stats.lock);
cfdda9d7
SW		 261 kfree(php);
262 return 0;
263}
264
265static struct ib_pd *c4iw_allocate_pd(struct ib_device *ibdev,
266 struct ib_ucontext *context,
267 struct ib_udata *udata)
268{
269 struct c4iw_pd *php;
270 u32 pdid;
271 struct c4iw_dev *rhp;
272
273 PDBG("%s ibdev %p\n", __func__, ibdev);
274 rhp = (struct c4iw_dev *) ibdev;
ec3eead2 275 pdid = c4iw_get_resource(&rhp->rdev.resource.pdid_table);
cfdda9d7
SW		 276 if (!pdid)
277 return ERR_PTR(-EINVAL);
278 php = kzalloc(sizeof(*php), GFP_KERNEL);
279 if (!php) {
ec3eead2 280 c4iw_put_resource(&rhp->rdev.resource.pdid_table, pdid);
cfdda9d7
SW		 281 return ERR_PTR(-ENOMEM);
282 }
283 php->pdid = pdid;
284 php->rhp = rhp;
285 if (context) {
286 if (ib_copy_to_udata(udata, &php->pdid, sizeof(u32))) {
287 c4iw_deallocate_pd(&php->ibpd);
288 return ERR_PTR(-EFAULT);
289 }
290 }
8d81ef34
VP		 291 mutex_lock(&rhp->rdev.stats.lock);
292 rhp->rdev.stats.pd.cur++;
293 if (rhp->rdev.stats.pd.cur > rhp->rdev.stats.pd.max)
294 rhp->rdev.stats.pd.max = rhp->rdev.stats.pd.cur;
295 mutex_unlock(&rhp->rdev.stats.lock);
cfdda9d7
SW		 296 PDBG("%s pdid 0x%0x ptr 0x%p\n", __func__, pdid, php);
297 return &php->ibpd;
298}
299
300static int c4iw_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
301 u16 *pkey)
302{
303 PDBG("%s ibdev %p\n", __func__, ibdev);
304 *pkey = 0;
305 return 0;
306}
307
308static int c4iw_query_gid(struct ib_device *ibdev, u8 port, int index,
309 union ib_gid *gid)
310{
311 struct c4iw_dev *dev;
312
313 PDBG("%s ibdev %p, port %d, index %d, gid %p\n",
314 __func__, ibdev, port, index, gid);
315 dev = to_c4iw_dev(ibdev);
316 BUG_ON(port == 0);
317 memset(&(gid->raw[0]), 0, sizeof(gid->raw));
318 memcpy(&(gid->raw[0]), dev->rdev.lldi.ports[port-1]->dev_addr, 6);
319 return 0;
320}
321
2528e33e
MB		 322static int c4iw_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
323 struct ib_udata *uhw)
cfdda9d7
SW		 324{
325
326 struct c4iw_dev *dev;
2528e33e 327
cfdda9d7
SW		 328 PDBG("%s ibdev %p\n", __func__, ibdev);
329
2528e33e
MB		 330 if (uhw->inlen || uhw->outlen)
331 return -EINVAL;
332
cfdda9d7
SW		 333 dev = to_c4iw_dev(ibdev);
334 memset(props, 0, sizeof *props);
335 memcpy(&props->sys_image_guid, dev->rdev.lldi.ports[0]->dev_addr, 6);
f079af7a 336 props->hw_ver = CHELSIO_CHIP_RELEASE(dev->rdev.lldi.adapter_type);
cfdda9d7
SW		 337 props->fw_ver = dev->rdev.lldi.fw_vers;
338 props->device_cap_flags = dev->device_cap_flags;
339 props->page_size_cap = T4_PAGESIZE_MASK;
340 props->vendor_id = (u32)dev->rdev.lldi.pdev->vendor;
341 props->vendor_part_id = (u32)dev->rdev.lldi.pdev->device;
342 props->max_mr_size = T4_MAX_MR_SIZE;
66eb19af 343 props->max_qp = dev->rdev.lldi.vr->qp.size / 2;
04e10e21 344 props->max_qp_wr = dev->rdev.hw_queue.t4_max_qp_depth;
cfdda9d7
SW		 345 props->max_sge = T4_MAX_RECV_SGE;
346 props->max_sge_rd = 1;
4c2c5763
HS		 347 props->max_res_rd_atom = dev->rdev.lldi.max_ird_adapter;
348 props->max_qp_rd_atom = min(dev->rdev.lldi.max_ordird_qp,
349 c4iw_max_read_depth);
350 props->max_qp_init_rd_atom = props->max_qp_rd_atom;
66eb19af 351 props->max_cq = dev->rdev.lldi.vr->qp.size;
04e10e21 352 props->max_cqe = dev->rdev.hw_queue.t4_max_cq_depth;
cfdda9d7
SW		 353 props->max_mr = c4iw_num_stags(&dev->rdev);
354 props->max_pd = T4_MAX_NUM_PD;
355 props->local_ca_ack_delay = 0;
ee30f7d5
H		 356 props->max_fast_reg_page_list_len =
357 t4_max_fr_depth(dev->rdev.lldi.ulptx_memwrite_dsgl && use_dsgl);
cfdda9d7
SW		 358
359 return 0;
360}
361
362static int c4iw_query_port(struct ib_device *ibdev, u8 port,
363 struct ib_port_attr *props)
364{
365 struct c4iw_dev *dev;
366 struct net_device *netdev;
367 struct in_device *inetdev;
368
369 PDBG("%s ibdev %p\n", __func__, ibdev);
370
371 dev = to_c4iw_dev(ibdev);
372 netdev = dev->rdev.lldi.ports[port-1];
c4550c63 373 /* props being zeroed by the caller, avoid zeroing it here */
cfdda9d7 374 props->max_mtu = IB_MTU_4096;
d3f4aadd 375 props->active_mtu = ib_mtu_int_to_enum(netdev->mtu);
cfdda9d7
SW		 376
377 if (!netif_carrier_ok(netdev))
378 props->state = IB_PORT_DOWN;
379 else {
380 inetdev = in_dev_get(netdev);
381 if (inetdev) {
382 if (inetdev->ifa_list)
383 props->state = IB_PORT_ACTIVE;
384 else
385 props->state = IB_PORT_INIT;
386 in_dev_put(inetdev);
387 } else
388 props->state = IB_PORT_INIT;
389 }
390
391 props->port_cap_flags =
392 IB_PORT_CM_SUP |
393 IB_PORT_SNMP_TUNNEL_SUP |
394 IB_PORT_REINIT_SUP |
395 IB_PORT_DEVICE_MGMT_SUP |
396 IB_PORT_VENDOR_CLASS_SUP | IB_PORT_BOOT_MGMT_SUP;
397 props->gid_tbl_len = 1;
398 props->pkey_tbl_len = 1;
399 props->active_width = 2;
2e96691c 400 props->active_speed = IB_SPEED_DDR;
cfdda9d7
SW		 401 props->max_msg_sz = -1;
402
403 return 0;
404}
405
406static ssize_t show_rev(struct device *dev, struct device_attribute *attr,
407 char *buf)
408{
409 struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev,
410 ibdev.dev);
411 PDBG("%s dev 0x%p\n", __func__, dev);
f079af7a
VP		 412 return sprintf(buf, "%d\n",
413 CHELSIO_CHIP_RELEASE(c4iw_dev->rdev.lldi.adapter_type));
cfdda9d7
SW		 414}
415
cfdda9d7
SW		 416static ssize_t show_hca(struct device *dev, struct device_attribute *attr,
417 char *buf)
418{
419 struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev,
420 ibdev.dev);
421 struct ethtool_drvinfo info;
422 struct net_device *lldev = c4iw_dev->rdev.lldi.ports[0];
423
424 PDBG("%s dev 0x%p\n", __func__, dev);
425 lldev->ethtool_ops->get_drvinfo(lldev, &info);
426 return sprintf(buf, "%s\n", info.driver);
427}
428
429static ssize_t show_board(struct device *dev, struct device_attribute *attr,
430 char *buf)
431{
432 struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev,
433 ibdev.dev);
434 PDBG("%s dev 0x%p\n", __func__, dev);
435 return sprintf(buf, "%x.%x\n", c4iw_dev->rdev.lldi.pdev->vendor,
436 c4iw_dev->rdev.lldi.pdev->device);
437}
438
b40f4757
CL		 439enum counters {
440 IP4INSEGS,
441 IP4OUTSEGS,
442 IP4RETRANSSEGS,
443 IP4OUTRSTS,
444 IP6INSEGS,
445 IP6OUTSEGS,
446 IP6RETRANSSEGS,
447 IP6OUTRSTS,
448 NR_COUNTERS
449};
450
451static const char * const names[] = {
452 [IP4INSEGS] = "ip4InSegs",
453 [IP4OUTSEGS] = "ip4OutSegs",
454 [IP4RETRANSSEGS] = "ip4RetransSegs",
455 [IP4OUTRSTS] = "ip4OutRsts",
456 [IP6INSEGS] = "ip6InSegs",
457 [IP6OUTSEGS] = "ip6OutSegs",
458 [IP6RETRANSSEGS] = "ip6RetransSegs",
459 [IP6OUTRSTS] = "ip6OutRsts"
460};
461
462static struct rdma_hw_stats *c4iw_alloc_stats(struct ib_device *ibdev,
463 u8 port_num)
464{
465 BUILD_BUG_ON(ARRAY_SIZE(names) != NR_COUNTERS);
466
467 if (port_num != 0)
468 return NULL;
469
470 return rdma_alloc_hw_stats_struct(names, NR_COUNTERS,
471 RDMA_HW_STATS_DEFAULT_LIFESPAN);
472}
473
cfdda9d7 474static int c4iw_get_mib(struct ib_device *ibdev,
b40f4757
CL		 475 struct rdma_hw_stats *stats,
476 u8 port, int index)
cfdda9d7 477{
de5dd81b
SW		 478 struct tp_tcp_stats v4, v6;
479 struct c4iw_dev *c4iw_dev = to_c4iw_dev(ibdev);
480
481 cxgb4_get_tcp_stats(c4iw_dev->rdev.lldi.pdev, &v4, &v6);
b40f4757
CL		 482 stats->value[IP4INSEGS] = v4.tcp_in_segs;
483 stats->value[IP4OUTSEGS] = v4.tcp_out_segs;
484 stats->value[IP4RETRANSSEGS] = v4.tcp_retrans_segs;
485 stats->value[IP4OUTRSTS] = v4.tcp_out_rsts;
486 stats->value[IP6INSEGS] = v6.tcp_in_segs;
487 stats->value[IP6OUTSEGS] = v6.tcp_out_segs;
488 stats->value[IP6RETRANSSEGS] = v6.tcp_retrans_segs;
489 stats->value[IP6OUTRSTS] = v6.tcp_out_rsts;
490
491 return stats->num_counters;
cfdda9d7
SW		 492}
493
494static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL);
cfdda9d7
SW		 495static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL);
496static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL);
497
498static struct device_attribute *c4iw_class_attributes[] = {
499 &dev_attr_hw_rev,
cfdda9d7
SW		 500 &dev_attr_hca_type,
501 &dev_attr_board_id,
502};
503
7738613e
IW		 504static int c4iw_port_immutable(struct ib_device *ibdev, u8 port_num,
505 struct ib_port_immutable *immutable)
506{
507 struct ib_port_attr attr;
508 int err;
509
c4550c63
OG		 510 immutable->core_cap_flags = RDMA_CORE_PORT_IWARP;
511
512 err = ib_query_port(ibdev, port_num, &attr);
7738613e
IW		 513 if (err)
514 return err;
515
516 immutable->pkey_tbl_len = attr.pkey_tbl_len;
517 immutable->gid_tbl_len = attr.gid_tbl_len;
518
519 return 0;
520}
521
ce192243
IW		 522static void get_dev_fw_str(struct ib_device *dev, char *str,
523 size_t str_len)
524{
525 struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev,
526 ibdev);
527 PDBG("%s dev 0x%p\n", __func__, dev);
528
529 snprintf(str, str_len, "%u.%u.%u.%u",
530 FW_HDR_FW_VER_MAJOR_G(c4iw_dev->rdev.lldi.fw_vers),
531 FW_HDR_FW_VER_MINOR_G(c4iw_dev->rdev.lldi.fw_vers),
532 FW_HDR_FW_VER_MICRO_G(c4iw_dev->rdev.lldi.fw_vers),
533 FW_HDR_FW_VER_BUILD_G(c4iw_dev->rdev.lldi.fw_vers));
534}
535
cfdda9d7
SW		 536int c4iw_register_device(struct c4iw_dev *dev)
537{
538 int ret;
539 int i;
540
541 PDBG("%s c4iw_dev %p\n", __func__, dev);
542 BUG_ON(!dev->rdev.lldi.ports[0]);
543 strlcpy(dev->ibdev.name, "cxgb4_%d", IB_DEVICE_NAME_MAX);
544 memset(&dev->ibdev.node_guid, 0, sizeof(dev->ibdev.node_guid));
545 memcpy(&dev->ibdev.node_guid, dev->rdev.lldi.ports[0]->dev_addr, 6);
546 dev->ibdev.owner = THIS_MODULE;
547 dev->device_cap_flags = IB_DEVICE_LOCAL_DMA_LKEY | IB_DEVICE_MEM_WINDOW;
548 if (fastreg_support)
549 dev->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS;
550 dev->ibdev.local_dma_lkey = 0;
551 dev->ibdev.uverbs_cmd_mask =
552 (1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
553 (1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
554 (1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
555 (1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
556 (1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
557 (1ull << IB_USER_VERBS_CMD_REG_MR) |
558 (1ull << IB_USER_VERBS_CMD_DEREG_MR) |
559 (1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
560 (1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
561 (1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
562 (1ull << IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) |
563 (1ull << IB_USER_VERBS_CMD_CREATE_QP) |
564 (1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
67bbc055 565 (1ull << IB_USER_VERBS_CMD_QUERY_QP) |
cfdda9d7
SW		 566 (1ull << IB_USER_VERBS_CMD_POLL_CQ) |
567 (1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
568 (1ull << IB_USER_VERBS_CMD_POST_SEND) |
569 (1ull << IB_USER_VERBS_CMD_POST_RECV);
570 dev->ibdev.node_type = RDMA_NODE_RNIC;
bd99fdea 571 BUILD_BUG_ON(sizeof(C4IW_NODE_DESC) > IB_DEVICE_NODE_DESC_MAX);
cfdda9d7
SW		 572 memcpy(dev->ibdev.node_desc, C4IW_NODE_DESC, sizeof(C4IW_NODE_DESC));
573 dev->ibdev.phys_port_cnt = dev->rdev.lldi.nports;
cf38be6d 574 dev->ibdev.num_comp_vectors = dev->rdev.lldi.nciq;
cfdda9d7
SW		 575 dev->ibdev.dma_device = &(dev->rdev.lldi.pdev->dev);
576 dev->ibdev.query_device = c4iw_query_device;
577 dev->ibdev.query_port = c4iw_query_port;
cfdda9d7
SW		 578 dev->ibdev.query_pkey = c4iw_query_pkey;
579 dev->ibdev.query_gid = c4iw_query_gid;
580 dev->ibdev.alloc_ucontext = c4iw_alloc_ucontext;
581 dev->ibdev.dealloc_ucontext = c4iw_dealloc_ucontext;
582 dev->ibdev.mmap = c4iw_mmap;
583 dev->ibdev.alloc_pd = c4iw_allocate_pd;
584 dev->ibdev.dealloc_pd = c4iw_deallocate_pd;
585 dev->ibdev.create_ah = c4iw_ah_create;
586 dev->ibdev.destroy_ah = c4iw_ah_destroy;
587 dev->ibdev.create_qp = c4iw_create_qp;
588 dev->ibdev.modify_qp = c4iw_ib_modify_qp;
67bbc055 589 dev->ibdev.query_qp = c4iw_ib_query_qp;
cfdda9d7
SW		 590 dev->ibdev.destroy_qp = c4iw_destroy_qp;
591 dev->ibdev.create_cq = c4iw_create_cq;
592 dev->ibdev.destroy_cq = c4iw_destroy_cq;
593 dev->ibdev.resize_cq = c4iw_resize_cq;
594 dev->ibdev.poll_cq = c4iw_poll_cq;
595 dev->ibdev.get_dma_mr = c4iw_get_dma_mr;
cfdda9d7
SW		 596 dev->ibdev.reg_user_mr = c4iw_reg_user_mr;
597 dev->ibdev.dereg_mr = c4iw_dereg_mr;
598 dev->ibdev.alloc_mw = c4iw_alloc_mw;
cfdda9d7 599 dev->ibdev.dealloc_mw = c4iw_dealloc_mw;
a2164034 600 dev->ibdev.alloc_mr = c4iw_alloc_mr;
8376b86d 601 dev->ibdev.map_mr_sg = c4iw_map_mr_sg;
cfdda9d7
SW		 602 dev->ibdev.attach_mcast = c4iw_multicast_attach;
603 dev->ibdev.detach_mcast = c4iw_multicast_detach;
604 dev->ibdev.process_mad = c4iw_process_mad;
605 dev->ibdev.req_notify_cq = c4iw_arm_cq;
606 dev->ibdev.post_send = c4iw_post_send;
607 dev->ibdev.post_recv = c4iw_post_receive;
b40f4757
CL		 608 dev->ibdev.alloc_hw_stats = c4iw_alloc_stats;
609 dev->ibdev.get_hw_stats = c4iw_get_mib;
c6d7b267 610 dev->ibdev.uverbs_abi_ver = C4IW_UVERBS_ABI_VERSION;
7738613e 611 dev->ibdev.get_port_immutable = c4iw_port_immutable;
ce192243 612 dev->ibdev.get_dev_fw_str = get_dev_fw_str;
cfdda9d7
SW		 613
614 dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);
615 if (!dev->ibdev.iwcm)
616 return -ENOMEM;
617
618 dev->ibdev.iwcm->connect = c4iw_connect;
619 dev->ibdev.iwcm->accept = c4iw_accept_cr;
620 dev->ibdev.iwcm->reject = c4iw_reject_cr;
621 dev->ibdev.iwcm->create_listen = c4iw_create_listen;
622 dev->ibdev.iwcm->destroy_listen = c4iw_destroy_listen;
623 dev->ibdev.iwcm->add_ref = c4iw_qp_add_ref;
624 dev->ibdev.iwcm->rem_ref = c4iw_qp_rem_ref;
625 dev->ibdev.iwcm->get_qp = c4iw_get_qp;
851d7b6b
SW		 626 memcpy(dev->ibdev.iwcm->ifname, dev->rdev.lldi.ports[0]->name,
627 sizeof(dev->ibdev.iwcm->ifname));
cfdda9d7 628
9a6edb60 629 ret = ib_register_device(&dev->ibdev, NULL);
cfdda9d7
SW		 630 if (ret)
631 goto bail1;
632
633 for (i = 0; i < ARRAY_SIZE(c4iw_class_attributes); ++i) {
634 ret = device_create_file(&dev->ibdev.dev,
635 c4iw_class_attributes[i]);
636 if (ret)
637 goto bail2;
638 }
639 return 0;
640bail2:
641 ib_unregister_device(&dev->ibdev);
642bail1:
643 kfree(dev->ibdev.iwcm);
644 return ret;
645}
646
647void c4iw_unregister_device(struct c4iw_dev *dev)
648{
649 int i;
650
651 PDBG("%s c4iw_dev %p\n", __func__, dev);
652 for (i = 0; i < ARRAY_SIZE(c4iw_class_attributes); ++i)
653 device_remove_file(&dev->ibdev.dev,
654 c4iw_class_attributes[i]);
655 ib_unregister_device(&dev->ibdev);
656 kfree(dev->ibdev.iwcm);
657 return;
658}
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