Lines Matching +full:mm +full:- +full:0
1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2009-2013, 2016 Chelsio, Inc. All rights reserved.
16 * - Redistributions of source code must retain the above
20 * - Redistributions in binary form must reproduce the above
56 return -ENOSYS; in c4iw_modify_port()
63 return -ENOSYS; in c4iw_ah_create()
72 return -ENOSYS; in c4iw_multicast_attach()
77 return -ENOSYS; in c4iw_multicast_detach()
90 return -ENOSYS; in c4iw_process_mad()
97 struct c4iw_mm_entry *mm, *tmp; in c4iw_dealloc_ucontext() local
100 rhp = to_c4iw_dev(ucontext->ibucontext.device); in c4iw_dealloc_ucontext()
104 list_for_each_entry_safe(mm, tmp, &ucontext->mmaps, entry) in c4iw_dealloc_ucontext()
105 kfree(mm); in c4iw_dealloc_ucontext()
106 c4iw_release_dev_ucontext(&rhp->rdev, &ucontext->uctx); in c4iw_dealloc_ucontext()
112 struct ib_device *ibdev = ucontext->device; in c4iw_alloc_ucontext()
117 int ret = 0; in c4iw_alloc_ucontext()
118 struct c4iw_mm_entry *mm = NULL; in c4iw_alloc_ucontext() local
121 c4iw_init_dev_ucontext(&rhp->rdev, &context->uctx); in c4iw_alloc_ucontext()
122 INIT_LIST_HEAD(&context->mmaps); in c4iw_alloc_ucontext()
123 spin_lock_init(&context->mmap_lock); in c4iw_alloc_ucontext()
125 if (udata->outlen < sizeof(uresp) - sizeof(uresp.reserved)) { in c4iw_alloc_ucontext()
127 log(LOG_ERR, "%s Warning - downlevel libcxgb4 " in c4iw_alloc_ucontext()
128 "(non-fatal), device status page disabled.\n", in c4iw_alloc_ucontext()
130 rhp->rdev.flags |= T4_STATUS_PAGE_DISABLED; in c4iw_alloc_ucontext()
133 mm = kmalloc(sizeof *mm, GFP_KERNEL); in c4iw_alloc_ucontext()
134 if (!mm) in c4iw_alloc_ucontext()
139 spin_lock(&context->mmap_lock); in c4iw_alloc_ucontext()
140 uresp.status_page_key = context->key; in c4iw_alloc_ucontext()
141 context->key += PAGE_SIZE; in c4iw_alloc_ucontext()
142 spin_unlock(&context->mmap_lock); in c4iw_alloc_ucontext()
145 sizeof(uresp) - sizeof(uresp.reserved)); in c4iw_alloc_ucontext()
149 mm->key = uresp.status_page_key; in c4iw_alloc_ucontext()
150 mm->addr = vtophys(rhp->rdev.status_page); in c4iw_alloc_ucontext()
151 mm->len = PAGE_SIZE; in c4iw_alloc_ucontext()
152 insert_mmap(context, mm); in c4iw_alloc_ucontext()
154 return 0; in c4iw_alloc_ucontext()
156 kfree(mm); in c4iw_alloc_ucontext()
163 int len = vma->vm_end - vma->vm_start; in c4iw_mmap()
164 u32 key = vma->vm_pgoff << PAGE_SHIFT; in c4iw_mmap()
166 int ret = 0; in c4iw_mmap()
167 struct c4iw_mm_entry *mm; in c4iw_mmap() local
169 u64 addr = 0; in c4iw_mmap()
172 context, vma, vma->vm_start); in c4iw_mmap()
174 CTR4(KTR_IW_CXGBE, "%s:1a pgoff 0x%lx key 0x%x len %d", __func__, in c4iw_mmap()
175 vma->vm_pgoff, key, len); in c4iw_mmap()
177 if (vma->vm_start & (PAGE_SIZE-1)) { in c4iw_mmap()
179 __func__, vma->vm_start, vma); in c4iw_mmap()
180 return -EINVAL; in c4iw_mmap()
183 rdev = &(to_c4iw_dev(context->device)->rdev); in c4iw_mmap()
186 mm = remove_mmap(ucontext, key, len); in c4iw_mmap()
187 if (!mm) { in c4iw_mmap()
190 return -EINVAL; in c4iw_mmap()
192 addr = mm->addr; in c4iw_mmap()
193 kfree(mm); in c4iw_mmap()
195 /* user DB-GTS registers if addr in udbs_res range, in c4iw_mmap()
198 if (rdev->adap->iwt.wc_en && addr >= rdev->bar2_pa && in c4iw_mmap()
199 addr < rdev->bar2_pa + rdev->bar2_len) in c4iw_mmap()
200 vma->vm_page_prot = t4_pgprot_wc(vma->vm_page_prot); in c4iw_mmap()
203 vma->vm_page_prot, NULL); in c4iw_mmap()
213 struct c4iw_dev *rhp = php->rhp; in c4iw_deallocate_pd()
215 CTR3(KTR_IW_CXGBE, "%s: pd %p, pdid 0x%x", __func__, pd, php->pdid); in c4iw_deallocate_pd()
217 c4iw_put_resource(&rhp->rdev.resource.pdid_table, php->pdid); in c4iw_deallocate_pd()
218 mutex_lock(&rhp->rdev.stats.lock); in c4iw_deallocate_pd()
219 rhp->rdev.stats.pd.cur--; in c4iw_deallocate_pd()
220 mutex_unlock(&rhp->rdev.stats.lock); in c4iw_deallocate_pd()
227 struct ib_device *ibdev = pd->device; in c4iw_allocate_pd()
234 if (__predict_false(c4iw_stopped(&rhp->rdev))) in c4iw_allocate_pd()
235 return -EIO; in c4iw_allocate_pd()
236 pdid = c4iw_get_resource(&rhp->rdev.resource.pdid_table); in c4iw_allocate_pd()
238 return -EINVAL; in c4iw_allocate_pd()
240 php->pdid = pdid; in c4iw_allocate_pd()
241 php->rhp = rhp; in c4iw_allocate_pd()
243 if (ib_copy_to_udata(udata, &php->pdid, sizeof(u32))) { in c4iw_allocate_pd()
244 c4iw_deallocate_pd(&php->ibpd, udata); in c4iw_allocate_pd()
245 return -EFAULT; in c4iw_allocate_pd()
248 mutex_lock(&rhp->rdev.stats.lock); in c4iw_allocate_pd()
249 rhp->rdev.stats.pd.cur++; in c4iw_allocate_pd()
250 if (rhp->rdev.stats.pd.cur > rhp->rdev.stats.pd.max) in c4iw_allocate_pd()
251 rhp->rdev.stats.pd.max = rhp->rdev.stats.pd.cur; in c4iw_allocate_pd()
252 mutex_unlock(&rhp->rdev.stats.lock); in c4iw_allocate_pd()
255 "%s: ibdev %p, context %p, data %p, pddid 0x%x, pd %p", __func__, in c4iw_allocate_pd()
257 return (0); in c4iw_allocate_pd()
267 *pkey = 0; in c4iw_query_pkey()
268 return (0); in c4iw_query_pkey()
281 memset(&gid->raw[0], 0, sizeof(gid->raw)); in c4iw_query_gid()
283 sc = dev->rdev.adap; in c4iw_query_gid()
284 if (port == 0 || port > sc->params.nports) in c4iw_query_gid()
285 return (-EINVAL); in c4iw_query_gid()
286 pi = sc->port[port - 1]; in c4iw_query_gid()
287 memcpy(&gid->raw[0], pi->vi[0].hw_addr, ETHER_ADDR_LEN); in c4iw_query_gid()
288 return (0); in c4iw_query_gid()
296 struct adapter *sc = dev->rdev.adap; in c4iw_query_device()
300 if (uhw->inlen || uhw->outlen) in c4iw_query_device()
301 return -EINVAL; in c4iw_query_device()
303 memset(props, 0, sizeof *props); in c4iw_query_device()
304 memcpy(&props->sys_image_guid, sc->port[0]->vi[0].hw_addr, in c4iw_query_device()
306 props->hw_ver = sc->params.chipid; in c4iw_query_device()
307 props->fw_ver = sc->params.fw_vers; in c4iw_query_device()
308 props->device_cap_flags = dev->device_cap_flags; in c4iw_query_device()
309 props->page_size_cap = T4_PAGESIZE_MASK; in c4iw_query_device()
310 props->vendor_id = pci_get_vendor(sc->dev); in c4iw_query_device()
311 props->vendor_part_id = pci_get_device(sc->dev); in c4iw_query_device()
312 props->max_mr_size = T4_MAX_MR_SIZE; in c4iw_query_device()
313 props->max_qp = sc->vres.qp.size / 2; in c4iw_query_device()
314 props->max_qp_wr = dev->rdev.hw_queue.t4_max_qp_depth; in c4iw_query_device()
315 props->max_sge = T4_MAX_RECV_SGE; in c4iw_query_device()
316 props->max_sge_rd = 1; in c4iw_query_device()
317 props->max_res_rd_atom = sc->params.max_ird_adapter; in c4iw_query_device()
318 props->max_qp_rd_atom = min(sc->params.max_ordird_qp, in c4iw_query_device()
320 props->max_qp_init_rd_atom = props->max_qp_rd_atom; in c4iw_query_device()
321 props->max_cq = sc->vres.qp.size; in c4iw_query_device()
322 props->max_cqe = dev->rdev.hw_queue.t4_max_cq_depth; in c4iw_query_device()
323 props->max_mr = c4iw_num_stags(&dev->rdev); in c4iw_query_device()
324 props->max_pd = T4_MAX_NUM_PD; in c4iw_query_device()
325 props->local_ca_ack_delay = 0; in c4iw_query_device()
326 props->max_fast_reg_page_list_len = t4_max_fr_depth(&dev->rdev, use_dsgl); in c4iw_query_device()
328 return (0); in c4iw_query_device()
332 * Returns -errno on failure.
346 sc = dev->rdev.adap; in c4iw_query_port()
347 if (port > sc->params.nports) in c4iw_query_port()
348 return (-EINVAL); in c4iw_query_port()
349 pi = sc->port[port - 1]; in c4iw_query_port()
350 ifp = pi->vi[0].ifp; in c4iw_query_port()
352 memset(props, 0, sizeof(struct ib_port_attr)); in c4iw_query_port()
353 props->max_mtu = IB_MTU_4096; in c4iw_query_port()
355 props->active_mtu = IB_MTU_4096; in c4iw_query_port()
357 props->active_mtu = IB_MTU_2048; in c4iw_query_port()
359 props->active_mtu = IB_MTU_1024; in c4iw_query_port()
361 props->active_mtu = IB_MTU_512; in c4iw_query_port()
363 props->active_mtu = IB_MTU_256; in c4iw_query_port()
364 props->state = pi->link_cfg.link_ok ? IB_PORT_ACTIVE : IB_PORT_DOWN; in c4iw_query_port()
365 props->port_cap_flags = in c4iw_query_port()
371 props->gid_tbl_len = 1; in c4iw_query_port()
372 props->pkey_tbl_len = 1; in c4iw_query_port()
373 props->active_width = 2; in c4iw_query_port()
374 props->active_speed = 2; in c4iw_query_port()
375 props->max_msg_sz = -1; in c4iw_query_port()
377 return 0; in c4iw_query_port()
386 immutable->core_cap_flags = RDMA_CORE_PORT_IWARP; in c4iw_port_immutable()
392 immutable->pkey_tbl_len = attr.pkey_tbl_len; in c4iw_port_immutable()
393 immutable->gid_tbl_len = attr.gid_tbl_len; in c4iw_port_immutable()
395 return 0; in c4iw_port_immutable()
399 * Returns -errno on error.
404 struct adapter *sc = dev->rdev.adap; in c4iw_register_device()
405 struct ib_device *ibdev = &dev->ibdev; in c4iw_register_device()
410 BUG_ON(!sc->port[0]); in c4iw_register_device()
411 ret = linux_pci_attach_device(sc->dev, NULL, NULL, &dev->pdev); in c4iw_register_device()
419 INIT_IB_DEVICE_OPS(&ibdev->ops, c4iw, CXGB4); in c4iw_register_device()
421 strlcpy(ibdev->name, device_get_nameunit(sc->dev), sizeof(ibdev->name)); in c4iw_register_device()
422 memset(&ibdev->node_guid, 0, sizeof(ibdev->node_guid)); in c4iw_register_device()
423 memcpy(&ibdev->node_guid, sc->port[0]->vi[0].hw_addr, ETHER_ADDR_LEN); in c4iw_register_device()
424 ibdev->owner = THIS_MODULE; in c4iw_register_device()
425 dev->device_cap_flags = IB_DEVICE_LOCAL_DMA_LKEY | IB_DEVICE_MEM_WINDOW; in c4iw_register_device()
427 dev->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; in c4iw_register_device()
428 ibdev->local_dma_lkey = 0; in c4iw_register_device()
429 ibdev->uverbs_cmd_mask = in c4iw_register_device()
448 ibdev->node_type = RDMA_NODE_RNIC; in c4iw_register_device()
449 strlcpy(ibdev->node_desc, C4IW_NODE_DESC, sizeof(ibdev->node_desc)); in c4iw_register_device()
450 ibdev->phys_port_cnt = sc->params.nports; in c4iw_register_device()
451 ibdev->num_comp_vectors = 1; in c4iw_register_device()
452 ibdev->dma_device = &dev->pdev.dev; in c4iw_register_device()
453 ibdev->query_device = c4iw_query_device; in c4iw_register_device()
454 ibdev->query_port = c4iw_query_port; in c4iw_register_device()
455 ibdev->modify_port = c4iw_modify_port; in c4iw_register_device()
456 ibdev->query_pkey = c4iw_query_pkey; in c4iw_register_device()
457 ibdev->query_gid = c4iw_query_gid; in c4iw_register_device()
458 ibdev->alloc_ucontext = c4iw_alloc_ucontext; in c4iw_register_device()
459 ibdev->dealloc_ucontext = c4iw_dealloc_ucontext; in c4iw_register_device()
460 ibdev->mmap = c4iw_mmap; in c4iw_register_device()
461 ibdev->alloc_pd = c4iw_allocate_pd; in c4iw_register_device()
462 ibdev->dealloc_pd = c4iw_deallocate_pd; in c4iw_register_device()
463 ibdev->create_ah = c4iw_ah_create; in c4iw_register_device()
464 ibdev->destroy_ah = c4iw_ah_destroy; in c4iw_register_device()
465 ibdev->create_qp = c4iw_create_qp; in c4iw_register_device()
466 ibdev->modify_qp = c4iw_ib_modify_qp; in c4iw_register_device()
467 ibdev->query_qp = c4iw_ib_query_qp; in c4iw_register_device()
468 ibdev->destroy_qp = c4iw_destroy_qp; in c4iw_register_device()
469 ibdev->create_cq = c4iw_create_cq; in c4iw_register_device()
470 ibdev->destroy_cq = c4iw_destroy_cq; in c4iw_register_device()
471 ibdev->resize_cq = c4iw_resize_cq; in c4iw_register_device()
472 ibdev->poll_cq = c4iw_poll_cq; in c4iw_register_device()
473 ibdev->get_dma_mr = c4iw_get_dma_mr; in c4iw_register_device()
474 ibdev->reg_user_mr = c4iw_reg_user_mr; in c4iw_register_device()
475 ibdev->dereg_mr = c4iw_dereg_mr; in c4iw_register_device()
476 ibdev->alloc_mw = c4iw_alloc_mw; in c4iw_register_device()
477 ibdev->dealloc_mw = c4iw_dealloc_mw; in c4iw_register_device()
478 ibdev->alloc_mr = c4iw_alloc_mr; in c4iw_register_device()
479 ibdev->map_mr_sg = c4iw_map_mr_sg; in c4iw_register_device()
480 ibdev->attach_mcast = c4iw_multicast_attach; in c4iw_register_device()
481 ibdev->detach_mcast = c4iw_multicast_detach; in c4iw_register_device()
482 ibdev->process_mad = c4iw_process_mad; in c4iw_register_device()
483 ibdev->req_notify_cq = c4iw_arm_cq; in c4iw_register_device()
484 ibdev->post_send = c4iw_post_send; in c4iw_register_device()
485 ibdev->post_recv = c4iw_post_receive; in c4iw_register_device()
486 ibdev->uverbs_abi_ver = C4IW_UVERBS_ABI_VERSION; in c4iw_register_device()
487 ibdev->get_port_immutable = c4iw_port_immutable; in c4iw_register_device()
491 return (-ENOMEM); in c4iw_register_device()
493 iwcm->connect = c4iw_connect; in c4iw_register_device()
494 iwcm->accept = c4iw_accept_cr; in c4iw_register_device()
495 iwcm->reject = c4iw_reject_cr; in c4iw_register_device()
496 iwcm->create_listen = c4iw_create_listen; in c4iw_register_device()
497 iwcm->destroy_listen = c4iw_destroy_listen; in c4iw_register_device()
498 iwcm->add_ref = c4iw_qp_add_ref; in c4iw_register_device()
499 iwcm->rem_ref = c4iw_qp_rem_ref; in c4iw_register_device()
500 iwcm->get_qp = c4iw_get_qp; in c4iw_register_device()
501 ibdev->iwcm = iwcm; in c4iw_register_device()
503 ret = ib_register_device(&dev->ibdev, NULL); in c4iw_register_device()
506 linux_pci_detach_device(&dev->pdev); in c4iw_register_device()
517 dev->rdev.adap); in c4iw_unregister_device()
518 ib_unregister_device(&dev->ibdev); in c4iw_unregister_device()
519 kfree(dev->ibdev.iwcm); in c4iw_unregister_device()
520 linux_pci_detach_device(&dev->pdev); in c4iw_unregister_device()