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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 | 57 | static int fastreg_support = 1; |
cfdda9d7 | 58 | module_param(fastreg_support, int, 0644); |
40dbf6ee | 59 | MODULE_PARM_DESC(fastreg_support, "Advertise fastreg support (default=1)"); |
cfdda9d7 | 60 | |
cfdda9d7 | 61 | static 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 | ||
69 | static int c4iw_ah_destroy(struct ib_ah *ah) | |
70 | { | |
71 | return -ENOSYS; | |
72 | } | |
73 | ||
74 | static int c4iw_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) | |
75 | { | |
76 | return -ENOSYS; | |
77 | } | |
78 | ||
79 | static int c4iw_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) | |
80 | { | |
81 | return -ENOSYS; | |
82 | } | |
83 | ||
84 | static 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 | 96 | void _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 | ||
112 | static 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 | ||
121 | static 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 |
172 | err_mm: |
173 | kfree(mm); | |
174 | err_free: | |
175 | kfree(context); | |
176 | err: | |
177 | return ERR_PTR(ret); | |
cfdda9d7 SW |
178 | } |
179 | ||
180 | static 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 | ||
249 | static 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 | ||
265 | static 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 | ||
300 | static 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 | ||
308 | static 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 |
322 | static 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 | ||
362 | static 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 | ||
406 | static 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 |
416 | static 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 | ||
429 | static 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 |
439 | enum counters { |
440 | IP4INSEGS, | |
441 | IP4OUTSEGS, | |
442 | IP4RETRANSSEGS, | |
443 | IP4OUTRSTS, | |
444 | IP6INSEGS, | |
445 | IP6OUTSEGS, | |
446 | IP6RETRANSSEGS, | |
447 | IP6OUTRSTS, | |
448 | NR_COUNTERS | |
449 | }; | |
450 | ||
451 | static 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 | ||
462 | static 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 | 474 | static 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 | ||
494 | static DEVICE_ATTR(hw_rev, S_IRUGO, show_rev, NULL); | |
cfdda9d7 SW |
495 | static DEVICE_ATTR(hca_type, S_IRUGO, show_hca, NULL); |
496 | static DEVICE_ATTR(board_id, S_IRUGO, show_board, NULL); | |
497 | ||
498 | static 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 |
504 | static 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 |
522 | static 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 |
536 | int 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; |
d08868a1 | 575 | dev->ibdev.dev.parent = &dev->rdev.lldi.pdev->dev; |
cfdda9d7 SW |
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; | |
640 | bail2: | |
641 | ib_unregister_device(&dev->ibdev); | |
642 | bail1: | |
643 | kfree(dev->ibdev.iwcm); | |
644 | return ret; | |
645 | } | |
646 | ||
647 | void 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 | } |