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569 lines
16 KiB
569 lines
16 KiB
/* |
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* Copyright (c) 2009-2010 Chelsio, Inc. All rights reserved. |
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* |
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* This software is available to you under a choice of one of two |
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* licenses. You may choose to be licensed under the terms of the GNU |
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* General Public License (GPL) Version 2, available from the file |
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* COPYING in the main directory of this source tree, or the |
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* OpenIB.org BSD license below: |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials |
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* provided with the distribution. |
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* |
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS |
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN |
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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#include <linux/module.h> |
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#include <linux/moduleparam.h> |
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#include <linux/device.h> |
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#include <linux/netdevice.h> |
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#include <linux/etherdevice.h> |
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#include <linux/delay.h> |
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#include <linux/errno.h> |
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#include <linux/list.h> |
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#include <linux/spinlock.h> |
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#include <linux/ethtool.h> |
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#include <linux/rtnetlink.h> |
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#include <linux/inetdevice.h> |
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#include <linux/io.h> |
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|
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#include <asm/irq.h> |
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#include <asm/byteorder.h> |
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|
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#include <rdma/iw_cm.h> |
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#include <rdma/ib_verbs.h> |
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#include <rdma/ib_smi.h> |
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#include <rdma/ib_umem.h> |
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#include <rdma/ib_user_verbs.h> |
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|
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#include "iw_cxgb4.h" |
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|
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static int fastreg_support = 1; |
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module_param(fastreg_support, int, 0644); |
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MODULE_PARM_DESC(fastreg_support, "Advertise fastreg support (default=1)"); |
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|
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static void c4iw_dealloc_ucontext(struct ib_ucontext *context) |
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{ |
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struct c4iw_ucontext *ucontext = to_c4iw_ucontext(context); |
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struct c4iw_dev *rhp; |
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struct c4iw_mm_entry *mm, *tmp; |
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|
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pr_debug("context %p\n", context); |
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rhp = to_c4iw_dev(ucontext->ibucontext.device); |
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|
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list_for_each_entry_safe(mm, tmp, &ucontext->mmaps, entry) |
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kfree(mm); |
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c4iw_release_dev_ucontext(&rhp->rdev, &ucontext->uctx); |
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} |
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|
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static int c4iw_alloc_ucontext(struct ib_ucontext *ucontext, |
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struct ib_udata *udata) |
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{ |
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struct ib_device *ibdev = ucontext->device; |
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struct c4iw_ucontext *context = to_c4iw_ucontext(ucontext); |
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struct c4iw_dev *rhp = to_c4iw_dev(ibdev); |
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struct c4iw_alloc_ucontext_resp uresp; |
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int ret = 0; |
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struct c4iw_mm_entry *mm = NULL; |
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|
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pr_debug("ibdev %p\n", ibdev); |
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c4iw_init_dev_ucontext(&rhp->rdev, &context->uctx); |
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INIT_LIST_HEAD(&context->mmaps); |
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spin_lock_init(&context->mmap_lock); |
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|
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if (udata->outlen < sizeof(uresp) - sizeof(uresp.reserved)) { |
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pr_err_once("Warning - downlevel libcxgb4 (non-fatal), device status page disabled\n"); |
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rhp->rdev.flags |= T4_STATUS_PAGE_DISABLED; |
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} else { |
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mm = kmalloc(sizeof(*mm), GFP_KERNEL); |
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if (!mm) { |
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ret = -ENOMEM; |
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goto err; |
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} |
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|
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uresp.status_page_size = PAGE_SIZE; |
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|
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spin_lock(&context->mmap_lock); |
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uresp.status_page_key = context->key; |
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context->key += PAGE_SIZE; |
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spin_unlock(&context->mmap_lock); |
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|
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ret = ib_copy_to_udata(udata, &uresp, |
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sizeof(uresp) - sizeof(uresp.reserved)); |
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if (ret) |
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goto err_mm; |
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|
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mm->key = uresp.status_page_key; |
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mm->addr = virt_to_phys(rhp->rdev.status_page); |
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mm->len = PAGE_SIZE; |
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insert_mmap(context, mm); |
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} |
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return 0; |
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err_mm: |
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kfree(mm); |
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err: |
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return ret; |
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} |
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|
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static int c4iw_mmap(struct ib_ucontext *context, struct vm_area_struct *vma) |
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{ |
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int len = vma->vm_end - vma->vm_start; |
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u32 key = vma->vm_pgoff << PAGE_SHIFT; |
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struct c4iw_rdev *rdev; |
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int ret = 0; |
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struct c4iw_mm_entry *mm; |
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struct c4iw_ucontext *ucontext; |
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u64 addr; |
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|
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pr_debug("pgoff 0x%lx key 0x%x len %d\n", vma->vm_pgoff, |
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key, len); |
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|
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if (vma->vm_start & (PAGE_SIZE-1)) |
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return -EINVAL; |
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rdev = &(to_c4iw_dev(context->device)->rdev); |
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ucontext = to_c4iw_ucontext(context); |
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|
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mm = remove_mmap(ucontext, key, len); |
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if (!mm) |
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return -EINVAL; |
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addr = mm->addr; |
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kfree(mm); |
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|
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if ((addr >= pci_resource_start(rdev->lldi.pdev, 0)) && |
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(addr < (pci_resource_start(rdev->lldi.pdev, 0) + |
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pci_resource_len(rdev->lldi.pdev, 0)))) { |
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|
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/* |
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* MA_SYNC register... |
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*/ |
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vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); |
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ret = io_remap_pfn_range(vma, vma->vm_start, |
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addr >> PAGE_SHIFT, |
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len, vma->vm_page_prot); |
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} else if ((addr >= pci_resource_start(rdev->lldi.pdev, 2)) && |
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(addr < (pci_resource_start(rdev->lldi.pdev, 2) + |
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pci_resource_len(rdev->lldi.pdev, 2)))) { |
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|
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/* |
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* Map user DB or OCQP memory... |
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*/ |
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if (addr >= rdev->oc_mw_pa) |
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vma->vm_page_prot = t4_pgprot_wc(vma->vm_page_prot); |
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else { |
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if (!is_t4(rdev->lldi.adapter_type)) |
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vma->vm_page_prot = |
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t4_pgprot_wc(vma->vm_page_prot); |
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else |
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vma->vm_page_prot = |
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pgprot_noncached(vma->vm_page_prot); |
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} |
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ret = io_remap_pfn_range(vma, vma->vm_start, |
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addr >> PAGE_SHIFT, |
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len, vma->vm_page_prot); |
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} else { |
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|
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/* |
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* Map WQ or CQ contig dma memory... |
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*/ |
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ret = remap_pfn_range(vma, vma->vm_start, |
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addr >> PAGE_SHIFT, |
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len, vma->vm_page_prot); |
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} |
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|
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return ret; |
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} |
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|
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static int c4iw_deallocate_pd(struct ib_pd *pd, struct ib_udata *udata) |
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{ |
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struct c4iw_dev *rhp; |
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struct c4iw_pd *php; |
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|
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php = to_c4iw_pd(pd); |
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rhp = php->rhp; |
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pr_debug("ibpd %p pdid 0x%x\n", pd, php->pdid); |
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c4iw_put_resource(&rhp->rdev.resource.pdid_table, php->pdid); |
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mutex_lock(&rhp->rdev.stats.lock); |
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rhp->rdev.stats.pd.cur--; |
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mutex_unlock(&rhp->rdev.stats.lock); |
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return 0; |
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} |
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|
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static int c4iw_allocate_pd(struct ib_pd *pd, struct ib_udata *udata) |
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{ |
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struct c4iw_pd *php = to_c4iw_pd(pd); |
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struct ib_device *ibdev = pd->device; |
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u32 pdid; |
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struct c4iw_dev *rhp; |
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|
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pr_debug("ibdev %p\n", ibdev); |
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rhp = (struct c4iw_dev *) ibdev; |
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pdid = c4iw_get_resource(&rhp->rdev.resource.pdid_table); |
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if (!pdid) |
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return -EINVAL; |
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|
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php->pdid = pdid; |
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php->rhp = rhp; |
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if (udata) { |
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struct c4iw_alloc_pd_resp uresp = {.pdid = php->pdid}; |
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|
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if (ib_copy_to_udata(udata, &uresp, sizeof(uresp))) { |
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c4iw_deallocate_pd(&php->ibpd, udata); |
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return -EFAULT; |
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} |
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} |
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mutex_lock(&rhp->rdev.stats.lock); |
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rhp->rdev.stats.pd.cur++; |
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if (rhp->rdev.stats.pd.cur > rhp->rdev.stats.pd.max) |
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rhp->rdev.stats.pd.max = rhp->rdev.stats.pd.cur; |
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mutex_unlock(&rhp->rdev.stats.lock); |
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pr_debug("pdid 0x%0x ptr 0x%p\n", pdid, php); |
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return 0; |
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} |
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|
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static int c4iw_query_gid(struct ib_device *ibdev, u8 port, int index, |
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union ib_gid *gid) |
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{ |
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struct c4iw_dev *dev; |
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|
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pr_debug("ibdev %p, port %d, index %d, gid %p\n", |
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ibdev, port, index, gid); |
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if (!port) |
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return -EINVAL; |
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dev = to_c4iw_dev(ibdev); |
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memset(&(gid->raw[0]), 0, sizeof(gid->raw)); |
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memcpy(&(gid->raw[0]), dev->rdev.lldi.ports[port-1]->dev_addr, 6); |
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return 0; |
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} |
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|
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static int c4iw_query_device(struct ib_device *ibdev, struct ib_device_attr *props, |
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struct ib_udata *uhw) |
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{ |
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|
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struct c4iw_dev *dev; |
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pr_debug("ibdev %p\n", ibdev); |
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if (uhw->inlen || uhw->outlen) |
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return -EINVAL; |
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dev = to_c4iw_dev(ibdev); |
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memcpy(&props->sys_image_guid, dev->rdev.lldi.ports[0]->dev_addr, 6); |
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props->hw_ver = CHELSIO_CHIP_RELEASE(dev->rdev.lldi.adapter_type); |
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props->fw_ver = dev->rdev.lldi.fw_vers; |
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props->device_cap_flags = dev->device_cap_flags; |
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props->page_size_cap = T4_PAGESIZE_MASK; |
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props->vendor_id = (u32)dev->rdev.lldi.pdev->vendor; |
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props->vendor_part_id = (u32)dev->rdev.lldi.pdev->device; |
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props->max_mr_size = T4_MAX_MR_SIZE; |
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props->max_qp = dev->rdev.lldi.vr->qp.size / 2; |
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props->max_srq = dev->rdev.lldi.vr->srq.size; |
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props->max_qp_wr = dev->rdev.hw_queue.t4_max_qp_depth; |
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props->max_srq_wr = dev->rdev.hw_queue.t4_max_qp_depth; |
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props->max_send_sge = min(T4_MAX_SEND_SGE, T4_MAX_WRITE_SGE); |
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props->max_recv_sge = T4_MAX_RECV_SGE; |
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props->max_srq_sge = T4_MAX_RECV_SGE; |
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props->max_sge_rd = 1; |
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props->max_res_rd_atom = dev->rdev.lldi.max_ird_adapter; |
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props->max_qp_rd_atom = min(dev->rdev.lldi.max_ordird_qp, |
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c4iw_max_read_depth); |
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props->max_qp_init_rd_atom = props->max_qp_rd_atom; |
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props->max_cq = dev->rdev.lldi.vr->qp.size; |
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props->max_cqe = dev->rdev.hw_queue.t4_max_cq_depth; |
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props->max_mr = c4iw_num_stags(&dev->rdev); |
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props->max_pd = T4_MAX_NUM_PD; |
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props->local_ca_ack_delay = 0; |
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props->max_fast_reg_page_list_len = |
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t4_max_fr_depth(dev->rdev.lldi.ulptx_memwrite_dsgl && use_dsgl); |
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|
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return 0; |
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} |
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|
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static int c4iw_query_port(struct ib_device *ibdev, u8 port, |
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struct ib_port_attr *props) |
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{ |
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int ret = 0; |
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pr_debug("ibdev %p\n", ibdev); |
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ret = ib_get_eth_speed(ibdev, port, &props->active_speed, |
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&props->active_width); |
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|
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props->port_cap_flags = |
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IB_PORT_CM_SUP | |
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IB_PORT_SNMP_TUNNEL_SUP | |
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IB_PORT_REINIT_SUP | |
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IB_PORT_DEVICE_MGMT_SUP | |
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IB_PORT_VENDOR_CLASS_SUP | IB_PORT_BOOT_MGMT_SUP; |
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props->gid_tbl_len = 1; |
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props->max_msg_sz = -1; |
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|
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return ret; |
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} |
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|
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static ssize_t hw_rev_show(struct device *dev, |
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struct device_attribute *attr, char *buf) |
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{ |
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struct c4iw_dev *c4iw_dev = |
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rdma_device_to_drv_device(dev, struct c4iw_dev, ibdev); |
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|
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pr_debug("dev 0x%p\n", dev); |
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return sysfs_emit( |
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buf, "%d\n", |
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CHELSIO_CHIP_RELEASE(c4iw_dev->rdev.lldi.adapter_type)); |
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} |
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static DEVICE_ATTR_RO(hw_rev); |
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|
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static ssize_t hca_type_show(struct device *dev, |
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struct device_attribute *attr, char *buf) |
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{ |
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struct c4iw_dev *c4iw_dev = |
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rdma_device_to_drv_device(dev, struct c4iw_dev, ibdev); |
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struct ethtool_drvinfo info; |
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struct net_device *lldev = c4iw_dev->rdev.lldi.ports[0]; |
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|
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pr_debug("dev 0x%p\n", dev); |
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lldev->ethtool_ops->get_drvinfo(lldev, &info); |
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return sysfs_emit(buf, "%s\n", info.driver); |
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} |
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static DEVICE_ATTR_RO(hca_type); |
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|
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static ssize_t board_id_show(struct device *dev, struct device_attribute *attr, |
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char *buf) |
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{ |
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struct c4iw_dev *c4iw_dev = |
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rdma_device_to_drv_device(dev, struct c4iw_dev, ibdev); |
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|
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pr_debug("dev 0x%p\n", dev); |
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return sysfs_emit(buf, "%x.%x\n", c4iw_dev->rdev.lldi.pdev->vendor, |
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c4iw_dev->rdev.lldi.pdev->device); |
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} |
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static DEVICE_ATTR_RO(board_id); |
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|
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enum counters { |
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IP4INSEGS, |
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IP4OUTSEGS, |
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IP4RETRANSSEGS, |
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IP4OUTRSTS, |
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IP6INSEGS, |
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IP6OUTSEGS, |
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IP6RETRANSSEGS, |
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IP6OUTRSTS, |
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NR_COUNTERS |
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}; |
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|
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static const char * const names[] = { |
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[IP4INSEGS] = "ip4InSegs", |
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[IP4OUTSEGS] = "ip4OutSegs", |
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[IP4RETRANSSEGS] = "ip4RetransSegs", |
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[IP4OUTRSTS] = "ip4OutRsts", |
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[IP6INSEGS] = "ip6InSegs", |
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[IP6OUTSEGS] = "ip6OutSegs", |
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[IP6RETRANSSEGS] = "ip6RetransSegs", |
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[IP6OUTRSTS] = "ip6OutRsts" |
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}; |
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|
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static struct rdma_hw_stats *c4iw_alloc_stats(struct ib_device *ibdev, |
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u8 port_num) |
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{ |
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BUILD_BUG_ON(ARRAY_SIZE(names) != NR_COUNTERS); |
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|
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if (port_num != 0) |
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return NULL; |
|
|
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return rdma_alloc_hw_stats_struct(names, NR_COUNTERS, |
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RDMA_HW_STATS_DEFAULT_LIFESPAN); |
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} |
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|
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static int c4iw_get_mib(struct ib_device *ibdev, |
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struct rdma_hw_stats *stats, |
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u8 port, int index) |
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{ |
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struct tp_tcp_stats v4, v6; |
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struct c4iw_dev *c4iw_dev = to_c4iw_dev(ibdev); |
|
|
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cxgb4_get_tcp_stats(c4iw_dev->rdev.lldi.pdev, &v4, &v6); |
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stats->value[IP4INSEGS] = v4.tcp_in_segs; |
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stats->value[IP4OUTSEGS] = v4.tcp_out_segs; |
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stats->value[IP4RETRANSSEGS] = v4.tcp_retrans_segs; |
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stats->value[IP4OUTRSTS] = v4.tcp_out_rsts; |
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stats->value[IP6INSEGS] = v6.tcp_in_segs; |
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stats->value[IP6OUTSEGS] = v6.tcp_out_segs; |
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stats->value[IP6RETRANSSEGS] = v6.tcp_retrans_segs; |
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stats->value[IP6OUTRSTS] = v6.tcp_out_rsts; |
|
|
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return stats->num_counters; |
|
} |
|
|
|
static struct attribute *c4iw_class_attributes[] = { |
|
&dev_attr_hw_rev.attr, |
|
&dev_attr_hca_type.attr, |
|
&dev_attr_board_id.attr, |
|
NULL |
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}; |
|
|
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static const struct attribute_group c4iw_attr_group = { |
|
.attrs = c4iw_class_attributes, |
|
}; |
|
|
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static int c4iw_port_immutable(struct ib_device *ibdev, u8 port_num, |
|
struct ib_port_immutable *immutable) |
|
{ |
|
struct ib_port_attr attr; |
|
int err; |
|
|
|
immutable->core_cap_flags = RDMA_CORE_PORT_IWARP; |
|
|
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err = ib_query_port(ibdev, port_num, &attr); |
|
if (err) |
|
return err; |
|
|
|
immutable->gid_tbl_len = attr.gid_tbl_len; |
|
|
|
return 0; |
|
} |
|
|
|
static void get_dev_fw_str(struct ib_device *dev, char *str) |
|
{ |
|
struct c4iw_dev *c4iw_dev = container_of(dev, struct c4iw_dev, |
|
ibdev); |
|
pr_debug("dev 0x%p\n", dev); |
|
|
|
snprintf(str, IB_FW_VERSION_NAME_MAX, "%u.%u.%u.%u", |
|
FW_HDR_FW_VER_MAJOR_G(c4iw_dev->rdev.lldi.fw_vers), |
|
FW_HDR_FW_VER_MINOR_G(c4iw_dev->rdev.lldi.fw_vers), |
|
FW_HDR_FW_VER_MICRO_G(c4iw_dev->rdev.lldi.fw_vers), |
|
FW_HDR_FW_VER_BUILD_G(c4iw_dev->rdev.lldi.fw_vers)); |
|
} |
|
|
|
static const struct ib_device_ops c4iw_dev_ops = { |
|
.owner = THIS_MODULE, |
|
.driver_id = RDMA_DRIVER_CXGB4, |
|
.uverbs_abi_ver = C4IW_UVERBS_ABI_VERSION, |
|
|
|
.alloc_hw_stats = c4iw_alloc_stats, |
|
.alloc_mr = c4iw_alloc_mr, |
|
.alloc_pd = c4iw_allocate_pd, |
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.alloc_ucontext = c4iw_alloc_ucontext, |
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.create_cq = c4iw_create_cq, |
|
.create_qp = c4iw_create_qp, |
|
.create_srq = c4iw_create_srq, |
|
.dealloc_pd = c4iw_deallocate_pd, |
|
.dealloc_ucontext = c4iw_dealloc_ucontext, |
|
.dereg_mr = c4iw_dereg_mr, |
|
.destroy_cq = c4iw_destroy_cq, |
|
.destroy_qp = c4iw_destroy_qp, |
|
.destroy_srq = c4iw_destroy_srq, |
|
.fill_res_cq_entry = c4iw_fill_res_cq_entry, |
|
.fill_res_cm_id_entry = c4iw_fill_res_cm_id_entry, |
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.fill_res_mr_entry = c4iw_fill_res_mr_entry, |
|
.get_dev_fw_str = get_dev_fw_str, |
|
.get_dma_mr = c4iw_get_dma_mr, |
|
.get_hw_stats = c4iw_get_mib, |
|
.get_port_immutable = c4iw_port_immutable, |
|
.iw_accept = c4iw_accept_cr, |
|
.iw_add_ref = c4iw_qp_add_ref, |
|
.iw_connect = c4iw_connect, |
|
.iw_create_listen = c4iw_create_listen, |
|
.iw_destroy_listen = c4iw_destroy_listen, |
|
.iw_get_qp = c4iw_get_qp, |
|
.iw_reject = c4iw_reject_cr, |
|
.iw_rem_ref = c4iw_qp_rem_ref, |
|
.map_mr_sg = c4iw_map_mr_sg, |
|
.mmap = c4iw_mmap, |
|
.modify_qp = c4iw_ib_modify_qp, |
|
.modify_srq = c4iw_modify_srq, |
|
.poll_cq = c4iw_poll_cq, |
|
.post_recv = c4iw_post_receive, |
|
.post_send = c4iw_post_send, |
|
.post_srq_recv = c4iw_post_srq_recv, |
|
.query_device = c4iw_query_device, |
|
.query_gid = c4iw_query_gid, |
|
.query_port = c4iw_query_port, |
|
.query_qp = c4iw_ib_query_qp, |
|
.reg_user_mr = c4iw_reg_user_mr, |
|
.req_notify_cq = c4iw_arm_cq, |
|
|
|
INIT_RDMA_OBJ_SIZE(ib_cq, c4iw_cq, ibcq), |
|
INIT_RDMA_OBJ_SIZE(ib_mw, c4iw_mw, ibmw), |
|
INIT_RDMA_OBJ_SIZE(ib_pd, c4iw_pd, ibpd), |
|
INIT_RDMA_OBJ_SIZE(ib_srq, c4iw_srq, ibsrq), |
|
INIT_RDMA_OBJ_SIZE(ib_ucontext, c4iw_ucontext, ibucontext), |
|
}; |
|
|
|
static int set_netdevs(struct ib_device *ib_dev, struct c4iw_rdev *rdev) |
|
{ |
|
int ret; |
|
int i; |
|
|
|
for (i = 0; i < rdev->lldi.nports; i++) { |
|
ret = ib_device_set_netdev(ib_dev, rdev->lldi.ports[i], |
|
i + 1); |
|
if (ret) |
|
return ret; |
|
} |
|
return 0; |
|
} |
|
|
|
void c4iw_register_device(struct work_struct *work) |
|
{ |
|
int ret; |
|
struct uld_ctx *ctx = container_of(work, struct uld_ctx, reg_work); |
|
struct c4iw_dev *dev = ctx->dev; |
|
|
|
pr_debug("c4iw_dev %p\n", dev); |
|
memset(&dev->ibdev.node_guid, 0, sizeof(dev->ibdev.node_guid)); |
|
memcpy(&dev->ibdev.node_guid, dev->rdev.lldi.ports[0]->dev_addr, 6); |
|
dev->device_cap_flags = IB_DEVICE_LOCAL_DMA_LKEY | IB_DEVICE_MEM_WINDOW; |
|
if (fastreg_support) |
|
dev->device_cap_flags |= IB_DEVICE_MEM_MGT_EXTENSIONS; |
|
dev->ibdev.local_dma_lkey = 0; |
|
dev->ibdev.node_type = RDMA_NODE_RNIC; |
|
BUILD_BUG_ON(sizeof(C4IW_NODE_DESC) > IB_DEVICE_NODE_DESC_MAX); |
|
memcpy(dev->ibdev.node_desc, C4IW_NODE_DESC, sizeof(C4IW_NODE_DESC)); |
|
dev->ibdev.phys_port_cnt = dev->rdev.lldi.nports; |
|
dev->ibdev.num_comp_vectors = dev->rdev.lldi.nciq; |
|
dev->ibdev.dev.parent = &dev->rdev.lldi.pdev->dev; |
|
|
|
memcpy(dev->ibdev.iw_ifname, dev->rdev.lldi.ports[0]->name, |
|
sizeof(dev->ibdev.iw_ifname)); |
|
|
|
rdma_set_device_sysfs_group(&dev->ibdev, &c4iw_attr_group); |
|
ib_set_device_ops(&dev->ibdev, &c4iw_dev_ops); |
|
ret = set_netdevs(&dev->ibdev, &dev->rdev); |
|
if (ret) |
|
goto err_dealloc_ctx; |
|
dma_set_max_seg_size(&dev->rdev.lldi.pdev->dev, UINT_MAX); |
|
ret = ib_register_device(&dev->ibdev, "cxgb4_%d", |
|
&dev->rdev.lldi.pdev->dev); |
|
if (ret) |
|
goto err_dealloc_ctx; |
|
return; |
|
|
|
err_dealloc_ctx: |
|
pr_err("%s - Failed registering iwarp device: %d\n", |
|
pci_name(ctx->lldi.pdev), ret); |
|
c4iw_dealloc(ctx); |
|
return; |
|
} |
|
|
|
void c4iw_unregister_device(struct c4iw_dev *dev) |
|
{ |
|
pr_debug("c4iw_dev %p\n", dev); |
|
ib_unregister_device(&dev->ibdev); |
|
return; |
|
}
|
|
|