a3372bd833
as the dma_device during RDMA registration. cxgbe's struct device cannot be used as-is because it's a native FreeBSD driver and ibcore is LinuxKPI based. MFC after: 1 week MFC after: r360196
543 lines
15 KiB
C
543 lines
15 KiB
C
/*-
|
|
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
|
|
*
|
|
* Copyright (c) 2009-2013, 2016 Chelsio, Inc. All rights reserved.
|
|
*
|
|
* This software is available to you under a choice of one of two
|
|
* licenses. You may choose to be licensed under the terms of the GNU
|
|
* General Public License (GPL) Version 2, available from the file
|
|
* COPYING in the main directory of this source tree, or the
|
|
* OpenIB.org BSD license below:
|
|
*
|
|
* Redistribution and use in source and binary forms, with or
|
|
* without modification, are permitted provided that the following
|
|
* conditions are met:
|
|
*
|
|
* - Redistributions of source code must retain the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer.
|
|
*
|
|
* - Redistributions in binary form must reproduce the above
|
|
* copyright notice, this list of conditions and the following
|
|
* disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
|
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
|
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
|
|
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
|
|
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
|
|
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
|
|
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
*/
|
|
#include <sys/cdefs.h>
|
|
__FBSDID("$FreeBSD$");
|
|
|
|
#define LINUXKPI_PARAM_PREFIX iw_cxgbe_
|
|
|
|
#include "opt_inet.h"
|
|
|
|
#ifdef TCP_OFFLOAD
|
|
#include <asm/pgtable.h>
|
|
#include <linux/page.h>
|
|
#include <rdma/ib_verbs.h>
|
|
#include <rdma/ib_user_verbs.h>
|
|
|
|
#include "iw_cxgbe.h"
|
|
#include "user.h"
|
|
|
|
static int fastreg_support = 1;
|
|
module_param(fastreg_support, int, 0644);
|
|
MODULE_PARM_DESC(fastreg_support, "Advertise fastreg support (default = 1)");
|
|
|
|
static int c4iw_modify_port(struct ib_device *ibdev,
|
|
u8 port, int port_modify_mask,
|
|
struct ib_port_modify *props)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static struct ib_ah *c4iw_ah_create(struct ib_pd *pd,
|
|
struct ib_ah_attr *ah_attr,
|
|
struct ib_udata *udata)
|
|
{
|
|
return ERR_PTR(-ENOSYS);
|
|
}
|
|
|
|
static int c4iw_ah_destroy(struct ib_ah *ah)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static int c4iw_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static int c4iw_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
static int c4iw_process_mad(struct ib_device *ibdev, int mad_flags,
|
|
u8 port_num, const struct ib_wc *in_wc,
|
|
const struct ib_grh *in_grh,
|
|
const struct ib_mad_hdr *in_mad,
|
|
size_t in_mad_size,
|
|
struct ib_mad_hdr *out_mad,
|
|
size_t *out_mad_size,
|
|
u16 *out_mad_pkey_index)
|
|
|
|
{
|
|
return -ENOSYS;
|
|
}
|
|
|
|
void _c4iw_free_ucontext(struct kref *kref)
|
|
{
|
|
struct c4iw_ucontext *ucontext;
|
|
struct c4iw_dev *rhp;
|
|
struct c4iw_mm_entry *mm, *tmp;
|
|
|
|
ucontext = container_of(kref, struct c4iw_ucontext, kref);
|
|
rhp = to_c4iw_dev(ucontext->ibucontext.device);
|
|
|
|
CTR2(KTR_IW_CXGBE, "%s ucontext %p", __func__, ucontext);
|
|
list_for_each_entry_safe(mm, tmp, &ucontext->mmaps, entry)
|
|
kfree(mm);
|
|
c4iw_release_dev_ucontext(&rhp->rdev, &ucontext->uctx);
|
|
kfree(ucontext);
|
|
}
|
|
|
|
static int c4iw_dealloc_ucontext(struct ib_ucontext *context)
|
|
{
|
|
struct c4iw_ucontext *ucontext = to_c4iw_ucontext(context);
|
|
|
|
CTR2(KTR_IW_CXGBE, "%s context %p", __func__, context);
|
|
c4iw_put_ucontext(ucontext);
|
|
return 0;
|
|
}
|
|
|
|
static struct ib_ucontext *c4iw_alloc_ucontext(struct ib_device *ibdev,
|
|
struct ib_udata *udata)
|
|
{
|
|
struct c4iw_ucontext *context;
|
|
struct c4iw_dev *rhp = to_c4iw_dev(ibdev);
|
|
static int warned;
|
|
struct c4iw_alloc_ucontext_resp uresp;
|
|
int ret = 0;
|
|
struct c4iw_mm_entry *mm = NULL;
|
|
|
|
PDBG("%s ibdev %p\n", __func__, ibdev);
|
|
context = kzalloc(sizeof(*context), GFP_KERNEL);
|
|
if (!context) {
|
|
ret = -ENOMEM;
|
|
goto err;
|
|
}
|
|
|
|
c4iw_init_dev_ucontext(&rhp->rdev, &context->uctx);
|
|
INIT_LIST_HEAD(&context->mmaps);
|
|
spin_lock_init(&context->mmap_lock);
|
|
kref_init(&context->kref);
|
|
|
|
if (udata->outlen < sizeof(uresp) - sizeof(uresp.reserved)) {
|
|
if (!warned++)
|
|
log(LOG_ERR, "%s Warning - downlevel libcxgb4 "
|
|
"(non-fatal), device status page disabled.\n",
|
|
__func__);
|
|
rhp->rdev.flags |= T4_STATUS_PAGE_DISABLED;
|
|
} else {
|
|
|
|
mm = kmalloc(sizeof *mm, GFP_KERNEL);
|
|
if (!mm)
|
|
goto err_free;
|
|
|
|
uresp.status_page_size = PAGE_SIZE;
|
|
|
|
spin_lock(&context->mmap_lock);
|
|
uresp.status_page_key = context->key;
|
|
context->key += PAGE_SIZE;
|
|
spin_unlock(&context->mmap_lock);
|
|
|
|
ret = ib_copy_to_udata(udata, &uresp,
|
|
sizeof(uresp) - sizeof(uresp.reserved));
|
|
if (ret)
|
|
goto err_mm;
|
|
|
|
mm->key = uresp.status_page_key;
|
|
mm->addr = vtophys(rhp->rdev.status_page);
|
|
mm->len = PAGE_SIZE;
|
|
insert_mmap(context, mm);
|
|
}
|
|
return &context->ibucontext;
|
|
err_mm:
|
|
kfree(mm);
|
|
err_free:
|
|
kfree(context);
|
|
err:
|
|
return ERR_PTR(ret);
|
|
}
|
|
|
|
static int c4iw_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
|
|
{
|
|
int len = vma->vm_end - vma->vm_start;
|
|
u32 key = vma->vm_pgoff << PAGE_SHIFT;
|
|
struct c4iw_rdev *rdev;
|
|
int ret = 0;
|
|
struct c4iw_mm_entry *mm;
|
|
struct c4iw_ucontext *ucontext;
|
|
u64 addr = 0;
|
|
|
|
CTR4(KTR_IW_CXGBE, "%s:1 ctx %p vma %p, vm_start %u", __func__,
|
|
context, vma, vma->vm_start);
|
|
|
|
CTR4(KTR_IW_CXGBE, "%s:1a pgoff 0x%lx key 0x%x len %d", __func__,
|
|
vma->vm_pgoff, key, len);
|
|
|
|
if (vma->vm_start & (PAGE_SIZE-1)) {
|
|
CTR3(KTR_IW_CXGBE, "%s:2 unaligned vm_start %u vma %p",
|
|
__func__, vma->vm_start, vma);
|
|
return -EINVAL;
|
|
}
|
|
|
|
rdev = &(to_c4iw_dev(context->device)->rdev);
|
|
ucontext = to_c4iw_ucontext(context);
|
|
|
|
mm = remove_mmap(ucontext, key, len);
|
|
if (!mm) {
|
|
CTR4(KTR_IW_CXGBE, "%s:3 ucontext %p key %u len %u", __func__,
|
|
ucontext, key, len);
|
|
return -EINVAL;
|
|
}
|
|
addr = mm->addr;
|
|
kfree(mm);
|
|
|
|
/* user DB-GTS registers if addr in udbs_res range,
|
|
* else WQ or CQ memory.
|
|
* */
|
|
if (rdev->adap->iwt.wc_en && addr >= rdev->bar2_pa &&
|
|
addr < rdev->bar2_pa + rdev->bar2_len)
|
|
vma->vm_page_prot = t4_pgprot_wc(vma->vm_page_prot);
|
|
|
|
ret = io_remap_pfn_range(vma, vma->vm_start, addr >> PAGE_SHIFT,
|
|
len, vma->vm_page_prot);
|
|
CTR4(KTR_IW_CXGBE, "%s:4 ctx %p vma %p ret %u", __func__, context, vma,
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
static int
|
|
c4iw_deallocate_pd(struct ib_pd *pd)
|
|
{
|
|
struct c4iw_pd *php = to_c4iw_pd(pd);
|
|
struct c4iw_dev *rhp = php->rhp;
|
|
|
|
CTR3(KTR_IW_CXGBE, "%s: pd %p, pdid 0x%x", __func__, pd, php->pdid);
|
|
|
|
c4iw_put_resource(&rhp->rdev.resource.pdid_table, php->pdid);
|
|
mutex_lock(&rhp->rdev.stats.lock);
|
|
rhp->rdev.stats.pd.cur--;
|
|
mutex_unlock(&rhp->rdev.stats.lock);
|
|
kfree(php);
|
|
|
|
return (0);
|
|
}
|
|
|
|
static struct ib_pd *
|
|
c4iw_allocate_pd(struct ib_device *ibdev, struct ib_ucontext *context,
|
|
struct ib_udata *udata)
|
|
{
|
|
struct c4iw_pd *php;
|
|
u32 pdid;
|
|
struct c4iw_dev *rhp;
|
|
|
|
CTR4(KTR_IW_CXGBE, "%s: ibdev %p, context %p, data %p", __func__, ibdev,
|
|
context, udata);
|
|
rhp = (struct c4iw_dev *) ibdev;
|
|
pdid = c4iw_get_resource(&rhp->rdev.resource.pdid_table);
|
|
if (!pdid)
|
|
return ERR_PTR(-EINVAL);
|
|
php = kzalloc(sizeof(*php), GFP_KERNEL);
|
|
if (!php) {
|
|
c4iw_put_resource(&rhp->rdev.resource.pdid_table, pdid);
|
|
return ERR_PTR(-ENOMEM);
|
|
}
|
|
php->pdid = pdid;
|
|
php->rhp = rhp;
|
|
if (context) {
|
|
if (ib_copy_to_udata(udata, &php->pdid, sizeof(u32))) {
|
|
c4iw_deallocate_pd(&php->ibpd);
|
|
return ERR_PTR(-EFAULT);
|
|
}
|
|
}
|
|
mutex_lock(&rhp->rdev.stats.lock);
|
|
rhp->rdev.stats.pd.cur++;
|
|
if (rhp->rdev.stats.pd.cur > rhp->rdev.stats.pd.max)
|
|
rhp->rdev.stats.pd.max = rhp->rdev.stats.pd.cur;
|
|
mutex_unlock(&rhp->rdev.stats.lock);
|
|
|
|
CTR6(KTR_IW_CXGBE,
|
|
"%s: ibdev %p, context %p, data %p, pddid 0x%x, pd %p", __func__,
|
|
ibdev, context, udata, pdid, php);
|
|
return (&php->ibpd);
|
|
}
|
|
|
|
static int
|
|
c4iw_query_pkey(struct ib_device *ibdev, u8 port, u16 index, u16 *pkey)
|
|
{
|
|
|
|
CTR5(KTR_IW_CXGBE, "%s ibdev %p, port %d, index %d, pkey %p", __func__,
|
|
ibdev, port, index, pkey);
|
|
|
|
*pkey = 0;
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
c4iw_query_gid(struct ib_device *ibdev, u8 port, int index, union ib_gid *gid)
|
|
{
|
|
struct c4iw_dev *dev;
|
|
struct port_info *pi;
|
|
struct adapter *sc;
|
|
|
|
CTR5(KTR_IW_CXGBE, "%s ibdev %p, port %d, index %d, gid %p", __func__,
|
|
ibdev, port, index, gid);
|
|
|
|
memset(&gid->raw[0], 0, sizeof(gid->raw));
|
|
dev = to_c4iw_dev(ibdev);
|
|
sc = dev->rdev.adap;
|
|
if (port == 0 || port > sc->params.nports)
|
|
return (-EINVAL);
|
|
pi = sc->port[port - 1];
|
|
memcpy(&gid->raw[0], pi->vi[0].hw_addr, ETHER_ADDR_LEN);
|
|
return (0);
|
|
}
|
|
|
|
static int
|
|
c4iw_query_device(struct ib_device *ibdev, struct ib_device_attr *props,
|
|
struct ib_udata *uhw)
|
|
{
|
|
struct c4iw_dev *dev = to_c4iw_dev(ibdev);
|
|
struct adapter *sc = dev->rdev.adap;
|
|
|
|
CTR3(KTR_IW_CXGBE, "%s ibdev %p, props %p", __func__, ibdev, props);
|
|
|
|
if (uhw->inlen || uhw->outlen)
|
|
return -EINVAL;
|
|
|
|
memset(props, 0, sizeof *props);
|
|
memcpy(&props->sys_image_guid, sc->port[0]->vi[0].hw_addr,
|
|
ETHER_ADDR_LEN);
|
|
props->hw_ver = sc->params.chipid;
|
|
props->fw_ver = sc->params.fw_vers;
|
|
props->device_cap_flags = dev->device_cap_flags;
|
|
props->page_size_cap = T4_PAGESIZE_MASK;
|
|
props->vendor_id = pci_get_vendor(sc->dev);
|
|
props->vendor_part_id = pci_get_device(sc->dev);
|
|
props->max_mr_size = T4_MAX_MR_SIZE;
|
|
props->max_qp = sc->vres.qp.size / 2;
|
|
props->max_qp_wr = dev->rdev.hw_queue.t4_max_qp_depth;
|
|
props->max_sge = T4_MAX_RECV_SGE;
|
|
props->max_sge_rd = 1;
|
|
props->max_res_rd_atom = sc->params.max_ird_adapter;
|
|
props->max_qp_rd_atom = min(sc->params.max_ordird_qp,
|
|
c4iw_max_read_depth);
|
|
props->max_qp_init_rd_atom = props->max_qp_rd_atom;
|
|
props->max_cq = sc->vres.qp.size;
|
|
props->max_cqe = dev->rdev.hw_queue.t4_max_cq_depth;
|
|
props->max_mr = c4iw_num_stags(&dev->rdev);
|
|
props->max_pd = T4_MAX_NUM_PD;
|
|
props->local_ca_ack_delay = 0;
|
|
props->max_fast_reg_page_list_len =
|
|
t4_max_fr_depth(sc->params.ulptx_memwrite_dsgl && use_dsgl);
|
|
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Returns -errno on failure.
|
|
*/
|
|
static int
|
|
c4iw_query_port(struct ib_device *ibdev, u8 port, struct ib_port_attr *props)
|
|
{
|
|
struct c4iw_dev *dev;
|
|
struct adapter *sc;
|
|
struct port_info *pi;
|
|
struct ifnet *ifp;
|
|
|
|
CTR4(KTR_IW_CXGBE, "%s ibdev %p, port %d, props %p", __func__, ibdev,
|
|
port, props);
|
|
|
|
dev = to_c4iw_dev(ibdev);
|
|
sc = dev->rdev.adap;
|
|
if (port > sc->params.nports)
|
|
return (-EINVAL);
|
|
pi = sc->port[port - 1];
|
|
ifp = pi->vi[0].ifp;
|
|
|
|
memset(props, 0, sizeof(struct ib_port_attr));
|
|
props->max_mtu = IB_MTU_4096;
|
|
if (ifp->if_mtu >= 4096)
|
|
props->active_mtu = IB_MTU_4096;
|
|
else if (ifp->if_mtu >= 2048)
|
|
props->active_mtu = IB_MTU_2048;
|
|
else if (ifp->if_mtu >= 1024)
|
|
props->active_mtu = IB_MTU_1024;
|
|
else if (ifp->if_mtu >= 512)
|
|
props->active_mtu = IB_MTU_512;
|
|
else
|
|
props->active_mtu = IB_MTU_256;
|
|
props->state = pi->link_cfg.link_ok ? IB_PORT_ACTIVE : IB_PORT_DOWN;
|
|
props->port_cap_flags =
|
|
IB_PORT_CM_SUP |
|
|
IB_PORT_SNMP_TUNNEL_SUP |
|
|
IB_PORT_REINIT_SUP |
|
|
IB_PORT_DEVICE_MGMT_SUP |
|
|
IB_PORT_VENDOR_CLASS_SUP | IB_PORT_BOOT_MGMT_SUP;
|
|
props->gid_tbl_len = 1;
|
|
props->pkey_tbl_len = 1;
|
|
props->active_width = 2;
|
|
props->active_speed = 2;
|
|
props->max_msg_sz = -1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
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;
|
|
|
|
err = ib_query_port(ibdev, port_num, &attr);
|
|
if (err)
|
|
return err;
|
|
|
|
immutable->pkey_tbl_len = attr.pkey_tbl_len;
|
|
immutable->gid_tbl_len = attr.gid_tbl_len;
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Returns -errno on error.
|
|
*/
|
|
int
|
|
c4iw_register_device(struct c4iw_dev *dev)
|
|
{
|
|
struct adapter *sc = dev->rdev.adap;
|
|
struct ib_device *ibdev = &dev->ibdev;
|
|
struct iw_cm_verbs *iwcm;
|
|
int ret;
|
|
|
|
CTR3(KTR_IW_CXGBE, "%s c4iw_dev %p, adapter %p", __func__, dev, sc);
|
|
BUG_ON(!sc->port[0]);
|
|
ret = linux_pci_attach_device(sc->dev, NULL, NULL, &dev->pdev);
|
|
if (ret)
|
|
return (ret);
|
|
strlcpy(ibdev->name, device_get_nameunit(sc->dev), sizeof(ibdev->name));
|
|
memset(&ibdev->node_guid, 0, sizeof(ibdev->node_guid));
|
|
memcpy(&ibdev->node_guid, sc->port[0]->vi[0].hw_addr, ETHER_ADDR_LEN);
|
|
ibdev->owner = THIS_MODULE;
|
|
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;
|
|
ibdev->local_dma_lkey = 0;
|
|
ibdev->uverbs_cmd_mask =
|
|
(1ull << IB_USER_VERBS_CMD_GET_CONTEXT) |
|
|
(1ull << IB_USER_VERBS_CMD_QUERY_DEVICE) |
|
|
(1ull << IB_USER_VERBS_CMD_QUERY_PORT) |
|
|
(1ull << IB_USER_VERBS_CMD_ALLOC_PD) |
|
|
(1ull << IB_USER_VERBS_CMD_DEALLOC_PD) |
|
|
(1ull << IB_USER_VERBS_CMD_REG_MR) |
|
|
(1ull << IB_USER_VERBS_CMD_DEREG_MR) |
|
|
(1ull << IB_USER_VERBS_CMD_CREATE_COMP_CHANNEL) |
|
|
(1ull << IB_USER_VERBS_CMD_CREATE_CQ) |
|
|
(1ull << IB_USER_VERBS_CMD_DESTROY_CQ) |
|
|
(1ull << IB_USER_VERBS_CMD_REQ_NOTIFY_CQ) |
|
|
(1ull << IB_USER_VERBS_CMD_CREATE_QP) |
|
|
(1ull << IB_USER_VERBS_CMD_MODIFY_QP) |
|
|
(1ull << IB_USER_VERBS_CMD_QUERY_QP) |
|
|
(1ull << IB_USER_VERBS_CMD_POLL_CQ) |
|
|
(1ull << IB_USER_VERBS_CMD_DESTROY_QP) |
|
|
(1ull << IB_USER_VERBS_CMD_POST_SEND) |
|
|
(1ull << IB_USER_VERBS_CMD_POST_RECV);
|
|
ibdev->node_type = RDMA_NODE_RNIC;
|
|
strlcpy(ibdev->node_desc, C4IW_NODE_DESC, sizeof(ibdev->node_desc));
|
|
ibdev->phys_port_cnt = sc->params.nports;
|
|
ibdev->num_comp_vectors = 1;
|
|
ibdev->dma_device = &dev->pdev.dev;
|
|
ibdev->query_device = c4iw_query_device;
|
|
ibdev->query_port = c4iw_query_port;
|
|
ibdev->modify_port = c4iw_modify_port;
|
|
ibdev->query_pkey = c4iw_query_pkey;
|
|
ibdev->query_gid = c4iw_query_gid;
|
|
ibdev->alloc_ucontext = c4iw_alloc_ucontext;
|
|
ibdev->dealloc_ucontext = c4iw_dealloc_ucontext;
|
|
ibdev->mmap = c4iw_mmap;
|
|
ibdev->alloc_pd = c4iw_allocate_pd;
|
|
ibdev->dealloc_pd = c4iw_deallocate_pd;
|
|
ibdev->create_ah = c4iw_ah_create;
|
|
ibdev->destroy_ah = c4iw_ah_destroy;
|
|
ibdev->create_qp = c4iw_create_qp;
|
|
ibdev->modify_qp = c4iw_ib_modify_qp;
|
|
ibdev->query_qp = c4iw_ib_query_qp;
|
|
ibdev->destroy_qp = c4iw_destroy_qp;
|
|
ibdev->create_cq = c4iw_create_cq;
|
|
ibdev->destroy_cq = c4iw_destroy_cq;
|
|
ibdev->resize_cq = c4iw_resize_cq;
|
|
ibdev->poll_cq = c4iw_poll_cq;
|
|
ibdev->get_dma_mr = c4iw_get_dma_mr;
|
|
ibdev->reg_user_mr = c4iw_reg_user_mr;
|
|
ibdev->dereg_mr = c4iw_dereg_mr;
|
|
ibdev->alloc_mw = c4iw_alloc_mw;
|
|
ibdev->dealloc_mw = c4iw_dealloc_mw;
|
|
ibdev->alloc_mr = c4iw_alloc_mr;
|
|
ibdev->map_mr_sg = c4iw_map_mr_sg;
|
|
ibdev->attach_mcast = c4iw_multicast_attach;
|
|
ibdev->detach_mcast = c4iw_multicast_detach;
|
|
ibdev->process_mad = c4iw_process_mad;
|
|
ibdev->req_notify_cq = c4iw_arm_cq;
|
|
ibdev->post_send = c4iw_post_send;
|
|
ibdev->post_recv = c4iw_post_receive;
|
|
ibdev->uverbs_abi_ver = C4IW_UVERBS_ABI_VERSION;
|
|
ibdev->get_port_immutable = c4iw_port_immutable;
|
|
|
|
iwcm = kmalloc(sizeof(*iwcm), GFP_KERNEL);
|
|
if (iwcm == NULL)
|
|
return (-ENOMEM);
|
|
|
|
iwcm->connect = c4iw_connect;
|
|
iwcm->accept = c4iw_accept_cr;
|
|
iwcm->reject = c4iw_reject_cr;
|
|
iwcm->create_listen = c4iw_create_listen;
|
|
iwcm->destroy_listen = c4iw_destroy_listen;
|
|
iwcm->add_ref = c4iw_qp_add_ref;
|
|
iwcm->rem_ref = c4iw_qp_rem_ref;
|
|
iwcm->get_qp = c4iw_get_qp;
|
|
ibdev->iwcm = iwcm;
|
|
|
|
ret = ib_register_device(&dev->ibdev, NULL);
|
|
if (ret) {
|
|
kfree(iwcm);
|
|
linux_pci_detach_device(&dev->pdev);
|
|
}
|
|
|
|
return (ret);
|
|
}
|
|
|
|
void
|
|
c4iw_unregister_device(struct c4iw_dev *dev)
|
|
{
|
|
|
|
CTR3(KTR_IW_CXGBE, "%s c4iw_dev %p, adapter %p", __func__, dev,
|
|
dev->rdev.adap);
|
|
ib_unregister_device(&dev->ibdev);
|
|
kfree(dev->ibdev.iwcm);
|
|
linux_pci_detach_device(&dev->pdev);
|
|
return;
|
|
}
|
|
#endif
|