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RDMA: Handle SRQ allocations by IB/core

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Convert SRQ allocation from drivers to be in the IB/core

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Leon Romanovsky 2019-04-03 16:42:43 +03:00 committed by Jason Gunthorpe
parent d345691471
commit 68e326dea1
41 changed files with 308 additions and 413 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/infiniband/core/device.c
View File

@ -2224,6 +2224,7 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops)
SET_OBJ_SIZE(dev_ops, ib_ah);
SET_OBJ_SIZE(dev_ops, ib_pd);
SET_OBJ_SIZE(dev_ops, ib_srq);
SET_OBJ_SIZE(dev_ops, ib_ucontext);
}
EXPORT_SYMBOL(ib_set_device_ops);

12
drivers/infiniband/core/uverbs_cmd.c
View File

@ -3409,9 +3409,9 @@ static int __uverbs_create_xsrq(struct uverbs_attr_bundle *attrs,
obj->uevent.events_reported = 0;
INIT_LIST_HEAD(&obj->uevent.event_list);
srq = pd->device->ops.create_srq(pd, &attr, udata);
if (IS_ERR(srq)) {
ret = PTR_ERR(srq);
srq = rdma_zalloc_drv_obj(ib_dev, ib_srq);
if (!srq) {
ret = -ENOMEM;
goto err_put;
}
@ -3422,6 +3422,10 @@ static int __uverbs_create_xsrq(struct uverbs_attr_bundle *attrs,
srq->event_handler = attr.event_handler;
srq->srq_context = attr.srq_context;
ret = pd->device->ops.create_srq(srq, &attr, udata);
if (ret)
goto err_free;
if (ib_srq_has_cq(cmd->srq_type)) {
srq->ext.cq = attr.ext.cq;
atomic_inc(&attr.ext.cq->usecnt);
@ -3461,6 +3465,8 @@ static int __uverbs_create_xsrq(struct uverbs_attr_bundle *attrs,
err_copy:
ib_destroy_srq_user(srq, &attrs->driver_udata);
err_free:
kfree(srq);
err_put:
uobj_put_obj_read(pd);

48
drivers/infiniband/core/verbs.c
View File

@ -964,19 +964,21 @@ struct ib_srq *ib_create_srq(struct ib_pd *pd,
struct ib_srq_init_attr *srq_init_attr)
{
struct ib_srq *srq;
int ret;
if (!pd->device->ops.create_srq)
return ERR_PTR(-EOPNOTSUPP);
srq = pd->device->ops.create_srq(pd, srq_init_attr, NULL);
srq = rdma_zalloc_drv_obj(pd->device, ib_srq);
if (!srq)
return ERR_PTR(-ENOMEM);
if (!IS_ERR(srq)) {
srq->device = pd->device;
srq->pd = pd;
srq->uobject = NULL;
srq->event_handler = srq_init_attr->event_handler;
srq->srq_context = srq_init_attr->srq_context;
srq->srq_type = srq_init_attr->srq_type;
if (ib_srq_has_cq(srq->srq_type)) {
srq->ext.cq = srq_init_attr->ext.cq;
atomic_inc(&srq->ext.cq->usecnt);
@ -986,7 +988,16 @@ struct ib_srq *ib_create_srq(struct ib_pd *pd,
atomic_inc(&srq->ext.xrc.xrcd->usecnt);
}
atomic_inc(&pd->usecnt);
atomic_set(&srq->usecnt, 0);
ret = pd->device->ops.create_srq(srq, srq_init_attr, NULL);
if (ret) {
atomic_dec(&srq->pd->usecnt);
if (srq->srq_type == IB_SRQT_XRC)
atomic_dec(&srq->ext.xrc.xrcd->usecnt);
if (ib_srq_has_cq(srq->srq_type))
atomic_dec(&srq->ext.cq->usecnt);
kfree(srq);
return ERR_PTR(ret);
}
return srq;
@ -1013,32 +1024,19 @@ EXPORT_SYMBOL(ib_query_srq);
int ib_destroy_srq_user(struct ib_srq *srq, struct ib_udata *udata)
{
struct ib_pd *pd;
enum ib_srq_type srq_type;
struct ib_xrcd *uninitialized_var(xrcd);
struct ib_cq *uninitialized_var(cq);
int ret;
if (atomic_read(&srq->usecnt))
return -EBUSY;
pd = srq->pd;
srq_type = srq->srq_type;
if (ib_srq_has_cq(srq_type))
cq = srq->ext.cq;
if (srq_type == IB_SRQT_XRC)
xrcd = srq->ext.xrc.xrcd;
srq->device->ops.destroy_srq(srq, udata);
ret = srq->device->ops.destroy_srq(srq, udata);
if (!ret) {
atomic_dec(&pd->usecnt);
if (srq_type == IB_SRQT_XRC)
atomic_dec(&xrcd->usecnt);
if (ib_srq_has_cq(srq_type))
atomic_dec(&cq->usecnt);
}
atomic_dec(&srq->pd->usecnt);
if (srq->srq_type == IB_SRQT_XRC)
atomic_dec(&srq->ext.xrc.xrcd->usecnt);
if (ib_srq_has_cq(srq->srq_type))
atomic_dec(&srq->ext.cq->usecnt);
kfree(srq);
return ret;
return 0;
}
EXPORT_SYMBOL(ib_destroy_srq_user);

28
drivers/infiniband/hw/bnxt_re/ib_verbs.c
View File

@ -1305,30 +1305,22 @@ static enum ib_mtu __to_ib_mtu(u32 mtu)
}
/* Shared Receive Queues */
int bnxt_re_destroy_srq(struct ib_srq *ib_srq, struct ib_udata *udata)
void bnxt_re_destroy_srq(struct ib_srq *ib_srq, struct ib_udata *udata)
{
struct bnxt_re_srq *srq = container_of(ib_srq, struct bnxt_re_srq,
ib_srq);
struct bnxt_re_dev *rdev = srq->rdev;
struct bnxt_qplib_srq *qplib_srq = &srq->qplib_srq;
struct bnxt_qplib_nq *nq = NULL;
int rc;
if (qplib_srq->cq)
nq = qplib_srq->cq->nq;
rc = bnxt_qplib_destroy_srq(&rdev->qplib_res, qplib_srq);
if (rc) {
dev_err(rdev_to_dev(rdev), "Destroy HW SRQ failed!");
return rc;
}
bnxt_qplib_destroy_srq(&rdev->qplib_res, qplib_srq);
if (srq->umem)
ib_umem_release(srq->umem);
kfree(srq);
atomic_dec(&rdev->srq_count);
if (nq)
nq->budget--;
return 0;
}
static int bnxt_re_init_user_srq(struct bnxt_re_dev *rdev,
@ -1362,14 +1354,16 @@ static int bnxt_re_init_user_srq(struct bnxt_re_dev *rdev,
return 0;
}
struct ib_srq *bnxt_re_create_srq(struct ib_pd *ib_pd,
int bnxt_re_create_srq(struct ib_srq *ib_srq,
struct ib_srq_init_attr *srq_init_attr,
struct ib_udata *udata)
{
struct ib_pd *ib_pd = ib_srq->pd;
struct bnxt_re_pd *pd = container_of(ib_pd, struct bnxt_re_pd, ib_pd);
struct bnxt_re_dev *rdev = pd->rdev;
struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr;
struct bnxt_re_srq *srq;
struct bnxt_re_srq *srq =
container_of(ib_srq, struct bnxt_re_srq, ib_srq);
struct bnxt_qplib_nq *nq = NULL;
int rc, entries;
@ -1384,11 +1378,6 @@ struct ib_srq *bnxt_re_create_srq(struct ib_pd *ib_pd,
goto exit;
}
srq = kzalloc(sizeof(*srq), GFP_KERNEL);
if (!srq) {
rc = -ENOMEM;
goto exit;
}
srq->rdev = rdev;
srq->qplib_srq.pd = &pd->qplib_pd;
srq->qplib_srq.dpi = &rdev->dpi_privileged;
@ -1434,14 +1423,13 @@ struct ib_srq *bnxt_re_create_srq(struct ib_pd *ib_pd,
nq->budget++;
atomic_inc(&rdev->srq_count);
return &srq->ib_srq;
return 0;
fail:
if (srq->umem)
ib_umem_release(srq->umem);
kfree(srq);
exit:
return ERR_PTR(rc);
return rc;
}
int bnxt_re_modify_srq(struct ib_srq *ib_srq, struct ib_srq_attr *srq_attr,

6
drivers/infiniband/hw/bnxt_re/ib_verbs.h
View File

@ -69,9 +69,9 @@ struct bnxt_re_ah {
};
struct bnxt_re_srq {
struct ib_srq ib_srq;
struct bnxt_re_dev *rdev;
u32 srq_limit;
struct ib_srq ib_srq;
struct bnxt_qplib_srq qplib_srq;
struct ib_umem *umem;
spinlock_t lock; /* protect srq */
@ -170,14 +170,14 @@ int bnxt_re_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags,
int bnxt_re_modify_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
int bnxt_re_query_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
void bnxt_re_destroy_ah(struct ib_ah *ah, u32 flags);
struct ib_srq *bnxt_re_create_srq(struct ib_pd *pd,
int bnxt_re_create_srq(struct ib_srq *srq,
struct ib_srq_init_attr *srq_init_attr,
struct ib_udata *udata);
int bnxt_re_modify_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr,
enum ib_srq_attr_mask srq_attr_mask,
struct ib_udata *udata);
int bnxt_re_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
int bnxt_re_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
void bnxt_re_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
int bnxt_re_post_srq_recv(struct ib_srq *srq, const struct ib_recv_wr *recv_wr,
const struct ib_recv_wr **bad_recv_wr);
struct ib_qp *bnxt_re_create_qp(struct ib_pd *pd,

1
drivers/infiniband/hw/bnxt_re/main.c
View File

@ -639,6 +639,7 @@ static const struct ib_device_ops bnxt_re_dev_ops = {
.req_notify_cq = bnxt_re_req_notify_cq,
INIT_RDMA_OBJ_SIZE(ib_ah, bnxt_re_ah, ib_ah),
INIT_RDMA_OBJ_SIZE(ib_pd, bnxt_re_pd, ib_pd),
INIT_RDMA_OBJ_SIZE(ib_srq, bnxt_re_srq, ib_srq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, bnxt_re_ucontext, ib_uctx),
};

14
drivers/infiniband/hw/bnxt_re/qplib_fp.c
View File

@ -507,7 +507,7 @@ static void bnxt_qplib_arm_srq(struct bnxt_qplib_srq *srq, u32 arm_type)
writeq(val, db);
}
int bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res,
void bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res,
struct bnxt_qplib_srq *srq)
{
struct bnxt_qplib_rcfw *rcfw = res->rcfw;
@ -521,14 +521,12 @@ int bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res,
/* Configure the request */
req.srq_cid = cpu_to_le32(srq->id);
rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req,
(void *)&resp, NULL, 0);
if (rc)
return rc;
bnxt_qplib_free_hwq(res->pdev, &srq->hwq);
rc = bnxt_qplib_rcfw_send_message(rcfw, (struct cmdq_base *)&req,
(struct creq_base *)&resp, NULL, 0);
kfree(srq->swq);
return 0;
if (rc)
return;
bnxt_qplib_free_hwq(res->pdev, &srq->hwq);
}
int bnxt_qplib_create_srq(struct bnxt_qplib_res *res,

2
drivers/infiniband/hw/bnxt_re/qplib_fp.h
View File

@ -518,7 +518,7 @@ int bnxt_qplib_modify_srq(struct bnxt_qplib_res *res,
struct bnxt_qplib_srq *srq);
int bnxt_qplib_query_srq(struct bnxt_qplib_res *res,
struct bnxt_qplib_srq *srq);
int bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res,
void bnxt_qplib_destroy_srq(struct bnxt_qplib_res *res,
struct bnxt_qplib_srq *srq);
int bnxt_qplib_post_srq_recv(struct bnxt_qplib_srq *srq,
struct bnxt_qplib_swqe *wqe);

5
drivers/infiniband/hw/cxgb4/iw_cxgb4.h
View File

@ -1000,9 +1000,8 @@ int c4iw_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
int c4iw_modify_srq(struct ib_srq *ib_srq, struct ib_srq_attr *attr,
enum ib_srq_attr_mask srq_attr_mask,
struct ib_udata *udata);
int c4iw_destroy_srq(struct ib_srq *ib_srq, struct ib_udata *udata);
struct ib_srq *c4iw_create_srq(struct ib_pd *pd,
struct ib_srq_init_attr *attrs,
void c4iw_destroy_srq(struct ib_srq *ib_srq, struct ib_udata *udata);
int c4iw_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *attrs,
struct ib_udata *udata);
int c4iw_destroy_qp(struct ib_qp *ib_qp, struct ib_udata *udata);
struct ib_qp *c4iw_create_qp(struct ib_pd *pd,

1
drivers/infiniband/hw/cxgb4/provider.c
View File

@ -545,6 +545,7 @@ static const struct ib_device_ops c4iw_dev_ops = {
.reg_user_mr = c4iw_reg_user_mr,
.req_notify_cq = c4iw_arm_cq,
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),
};

32
drivers/infiniband/hw/cxgb4/qp.c
View File

@ -2683,11 +2683,12 @@ void c4iw_copy_wr_to_srq(struct t4_srq *srq, union t4_recv_wr *wqe, u8 len16)
}
}
struct ib_srq *c4iw_create_srq(struct ib_pd *pd, struct ib_srq_init_attr *attrs,
int c4iw_create_srq(struct ib_srq *ib_srq, struct ib_srq_init_attr *attrs,
struct ib_udata *udata)
{
struct ib_pd *pd = ib_srq->pd;
struct c4iw_dev *rhp;
struct c4iw_srq *srq;
struct c4iw_srq *srq = to_c4iw_srq(ib_srq);
struct c4iw_pd *php;
struct c4iw_create_srq_resp uresp;
struct c4iw_ucontext *ucontext;
@ -2702,11 +2703,11 @@ struct ib_srq *c4iw_create_srq(struct ib_pd *pd, struct ib_srq_init_attr *attrs,
rhp = php->rhp;
if (!rhp->rdev.lldi.vr->srq.size)
return ERR_PTR(-EINVAL);
return -EINVAL;
if (attrs->attr.max_wr > rhp->rdev.hw_queue.t4_max_rq_size)
return ERR_PTR(-E2BIG);
return -E2BIG;
if (attrs->attr.max_sge > T4_MAX_RECV_SGE)
return ERR_PTR(-E2BIG);
return -E2BIG;
/*
* SRQ RQT and RQ must be a power of 2 and at least 16 deep.
@ -2717,15 +2718,9 @@ struct ib_srq *c4iw_create_srq(struct ib_pd *pd, struct ib_srq_init_attr *attrs,
ucontext = rdma_udata_to_drv_context(udata, struct c4iw_ucontext,
ibucontext);
srq = kzalloc(sizeof(*srq), GFP_KERNEL);
if (!srq)
return ERR_PTR(-ENOMEM);
srq->wr_waitp = c4iw_alloc_wr_wait(GFP_KERNEL);
if (!srq->wr_waitp) {
ret = -ENOMEM;
goto err_free_srq;
}
if (!srq->wr_waitp)
return -ENOMEM;
srq->idx = c4iw_alloc_srq_idx(&rhp->rdev);
if (srq->idx < 0) {
@ -2805,7 +2800,8 @@ struct ib_srq *c4iw_create_srq(struct ib_pd *pd, struct ib_srq_init_attr *attrs,
(unsigned long)srq->wq.memsize, attrs->attr.max_wr);
spin_lock_init(&srq->lock);
return &srq->ibsrq;
return 0;
err_free_srq_db_key_mm:
kfree(srq_db_key_mm);
err_free_srq_key_mm:
@ -2821,12 +2817,10 @@ err_free_srq_idx:
c4iw_free_srq_idx(&rhp->rdev, srq->idx);
err_free_wr_wait:
c4iw_put_wr_wait(srq->wr_waitp);
err_free_srq:
kfree(srq);
return ERR_PTR(ret);
return ret;
}
int c4iw_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
void c4iw_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
{
struct c4iw_dev *rhp;
struct c4iw_srq *srq;
@ -2844,6 +2838,4 @@ int c4iw_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
srq->wr_waitp);
c4iw_free_srq_idx(&rhp->rdev, srq->idx);
c4iw_put_wr_wait(srq->wr_waitp);
kfree(srq);
return 0;
}

4
drivers/infiniband/hw/hns/hns_roce_device.h
View File

@ -1142,13 +1142,13 @@ int hns_roce_buf_alloc(struct hns_roce_dev *hr_dev, u32 size, u32 max_direct,
int hns_roce_ib_umem_write_mtt(struct hns_roce_dev *hr_dev,
struct hns_roce_mtt *mtt, struct ib_umem *umem);
struct ib_srq *hns_roce_create_srq(struct ib_pd *pd,
int hns_roce_create_srq(struct ib_srq *srq,
struct ib_srq_init_attr *srq_init_attr,
struct ib_udata *udata);
int hns_roce_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr,
enum ib_srq_attr_mask srq_attr_mask,
struct ib_udata *udata);
int hns_roce_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata);
void hns_roce_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata);
struct ib_qp *hns_roce_create_qp(struct ib_pd *ib_pd,
struct ib_qp_init_attr *init_attr,

2
drivers/infiniband/hw/hns/hns_roce_main.c
View File

@ -491,6 +491,8 @@ static const struct ib_device_ops hns_roce_dev_frmr_ops = {
static const struct ib_device_ops hns_roce_dev_srq_ops = {
.create_srq = hns_roce_create_srq,
.destroy_srq = hns_roce_destroy_srq,
INIT_RDMA_OBJ_SIZE(ib_srq, hns_roce_srq, ibsrq),
};
static int hns_roce_register_device(struct hns_roce_dev *hr_dev)

48
drivers/infiniband/hw/hns/hns_roce_srq.c
View File

@ -206,13 +206,13 @@ static int hns_roce_create_idx_que(struct ib_pd *pd, struct hns_roce_srq *srq,
return 0;
}
struct ib_srq *hns_roce_create_srq(struct ib_pd *pd,
int hns_roce_create_srq(struct ib_srq *ib_srq,
struct ib_srq_init_attr *srq_init_attr,
struct ib_udata *udata)
{
struct hns_roce_dev *hr_dev = to_hr_dev(pd->device);
struct hns_roce_dev *hr_dev = to_hr_dev(ib_srq->device);
struct hns_roce_ib_create_srq_resp resp = {};
struct hns_roce_srq *srq;
struct hns_roce_srq *srq = to_hr_srq(ib_srq);
int srq_desc_size;
int srq_buf_size;
u32 page_shift;
@ -223,11 +223,7 @@ struct ib_srq *hns_roce_create_srq(struct ib_pd *pd,
/* Check the actual SRQ wqe and SRQ sge num */
if (srq_init_attr->attr.max_wr >= hr_dev->caps.max_srq_wrs ||
srq_init_attr->attr.max_sge > hr_dev->caps.max_srq_sges)
return ERR_PTR(-EINVAL);
srq = kzalloc(sizeof(*srq), GFP_KERNEL);
if (!srq)
return ERR_PTR(-ENOMEM);
return -EINVAL;
mutex_init(&srq->mutex);
spin_lock_init(&srq->lock);
@ -249,17 +245,13 @@ struct ib_srq *hns_roce_create_srq(struct ib_pd *pd,
if (udata) {
struct hns_roce_ib_create_srq ucmd;
if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd))) {
ret = -EFAULT;
goto err_srq;
}
if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)))
return -EFAULT;
srq->umem =
ib_umem_get(udata, ucmd.buf_addr, srq_buf_size, 0, 0);
if (IS_ERR(srq->umem)) {
ret = PTR_ERR(srq->umem);
goto err_srq;
}
if (IS_ERR(srq->umem))
return PTR_ERR(srq->umem);
if (hr_dev->caps.srqwqe_buf_pg_sz) {
npages = (ib_umem_page_count(srq->umem) +
@ -321,11 +313,9 @@ struct ib_srq *hns_roce_create_srq(struct ib_pd *pd,
} else {
page_shift = PAGE_SHIFT + hr_dev->caps.srqwqe_buf_pg_sz;
if (hns_roce_buf_alloc(hr_dev, srq_buf_size,
(1 << page_shift) * 2,
&srq->buf, page_shift)) {
ret = -ENOMEM;
goto err_srq;
}
(1 << page_shift) * 2, &srq->buf,
page_shift))
return -ENOMEM;
srq->head = 0;
srq->tail = srq->max - 1;
@ -340,7 +330,7 @@ struct ib_srq *hns_roce_create_srq(struct ib_pd *pd,
goto err_srq_mtt;
page_shift = PAGE_SHIFT + hr_dev->caps.idx_buf_pg_sz;
ret = hns_roce_create_idx_que(pd, srq, page_shift);
ret = hns_roce_create_idx_que(ib_srq->pd, srq, page_shift);
if (ret) {
dev_err(hr_dev->dev, "Create idx queue fail(%d)!\n",
ret);
@ -372,7 +362,7 @@ struct ib_srq *hns_roce_create_srq(struct ib_pd *pd,
srq->db_reg_l = hr_dev->reg_base + SRQ_DB_REG;
ret = hns_roce_srq_alloc(hr_dev, to_hr_pd(pd)->pdn, cqn, 0,
ret = hns_roce_srq_alloc(hr_dev, to_hr_pd(ib_srq->pd)->pdn, cqn, 0,
&srq->mtt, 0, srq);
if (ret)
goto err_wrid;
@ -389,7 +379,7 @@ struct ib_srq *hns_roce_create_srq(struct ib_pd *pd,
}
}
return &srq->ibsrq;
return 0;
err_srqc_alloc:
hns_roce_srq_free(hr_dev, srq);
@ -418,12 +408,10 @@ err_buf:
else
hns_roce_buf_free(hr_dev, srq_buf_size, &srq->buf);
err_srq:
kfree(srq);
return ERR_PTR(ret);
return ret;
}
int hns_roce_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
void hns_roce_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
{
struct hns_roce_dev *hr_dev = to_hr_dev(ibsrq->device);
struct hns_roce_srq *srq = to_hr_srq(ibsrq);
@ -440,10 +428,6 @@ int hns_roce_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
hns_roce_buf_free(hr_dev, srq->max << srq->wqe_shift,
&srq->buf);
}
kfree(srq);
return 0;
}
int hns_roce_init_srq_table(struct hns_roce_dev *hr_dev)

1
drivers/infiniband/hw/mlx4/main.c
View File

@ -2561,6 +2561,7 @@ static const struct ib_device_ops mlx4_ib_dev_ops = {
INIT_RDMA_OBJ_SIZE(ib_ah, mlx4_ib_ah, ibah),
INIT_RDMA_OBJ_SIZE(ib_pd, mlx4_ib_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_srq, mlx4_ib_srq, ibsrq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, mlx4_ib_ucontext, ibucontext),
};

5
drivers/infiniband/hw/mlx4/mlx4_ib.h
View File

@ -759,13 +759,12 @@ int mlx4_ib_create_ah_slave(struct ib_ah *ah, struct rdma_ah_attr *ah_attr,
int mlx4_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
void mlx4_ib_destroy_ah(struct ib_ah *ah, u32 flags);
struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
struct ib_srq_init_attr *init_attr,
int mlx4_ib_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr,
struct ib_udata *udata);
int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
int mlx4_ib_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
int mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
void mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index);
int mlx4_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
const struct ib_recv_wr **bad_wr);

43
drivers/infiniband/hw/mlx4/srq.c
View File

@ -69,14 +69,14 @@ static void mlx4_ib_srq_event(struct mlx4_srq *srq, enum mlx4_event type)
}
}
struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
int mlx4_ib_create_srq(struct ib_srq *ib_srq,
struct ib_srq_init_attr *init_attr,
struct ib_udata *udata)
{
struct mlx4_ib_dev *dev = to_mdev(pd->device);
struct mlx4_ib_dev *dev = to_mdev(ib_srq->device);
struct mlx4_ib_ucontext *ucontext = rdma_udata_to_drv_context(
udata, struct mlx4_ib_ucontext, ibucontext);
struct mlx4_ib_srq *srq;
struct mlx4_ib_srq *srq = to_msrq(ib_srq);
struct mlx4_wqe_srq_next_seg *next;
struct mlx4_wqe_data_seg *scatter;
u32 cqn;
@ -89,11 +89,7 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
/* Sanity check SRQ size before proceeding */
if (init_attr->attr.max_wr >= dev->dev->caps.max_srq_wqes ||
init_attr->attr.max_sge > dev->dev->caps.max_srq_sge)
return ERR_PTR(-EINVAL);
srq = kmalloc(sizeof *srq, GFP_KERNEL);
if (!srq)
return ERR_PTR(-ENOMEM);
return -EINVAL;
mutex_init(&srq->mutex);
spin_lock_init(&srq->lock);
@ -111,16 +107,12 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
if (udata) {
struct mlx4_ib_create_srq ucmd;
if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) {
err = -EFAULT;
goto err_srq;
}
if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)))
return -EFAULT;
srq->umem = ib_umem_get(udata, ucmd.buf_addr, buf_size, 0, 0);
if (IS_ERR(srq->umem)) {
err = PTR_ERR(srq->umem);
goto err_srq;
}
if (IS_ERR(srq->umem))
return PTR_ERR(srq->umem);
err = mlx4_mtt_init(dev->dev, ib_umem_page_count(srq->umem),
srq->umem->page_shift, &srq->mtt);
@ -137,7 +129,7 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
} else {
err = mlx4_db_alloc(dev->dev, &srq->db, 0);
if (err)
goto err_srq;
return err;
*srq->db.db = 0;
@ -184,8 +176,8 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
xrcdn = (init_attr->srq_type == IB_SRQT_XRC) ?
to_mxrcd(init_attr->ext.xrc.xrcd)->xrcdn :
(u16) dev->dev->caps.reserved_xrcds;
err = mlx4_srq_alloc(dev->dev, to_mpd(pd)->pdn, cqn, xrcdn, &srq->mtt,
srq->db.dma, &srq->msrq);
err = mlx4_srq_alloc(dev->dev, to_mpd(ib_srq->pd)->pdn, cqn, xrcdn,
&srq->mtt, srq->db.dma, &srq->msrq);
if (err)
goto err_wrid;
@ -200,7 +192,7 @@ struct ib_srq *mlx4_ib_create_srq(struct ib_pd *pd,
init_attr->attr.max_wr = srq->msrq.max - 1;
return &srq->ibsrq;
return 0;
err_wrid:
if (udata)
@ -221,10 +213,7 @@ err_db:
if (!udata)
mlx4_db_free(dev->dev, &srq->db);
err_srq:
kfree(srq);
return ERR_PTR(err);
return err;
}
int mlx4_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
@ -271,7 +260,7 @@ int mlx4_ib_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr)
return 0;
}
int mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
void mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
{
struct mlx4_ib_dev *dev = to_mdev(srq->device);
struct mlx4_ib_srq *msrq = to_msrq(srq);
@ -293,10 +282,6 @@ int mlx4_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
&msrq->buf);
mlx4_db_free(dev->dev, &msrq->db);
}
kfree(msrq);
return 0;
}
void mlx4_ib_free_srq_wqe(struct mlx4_ib_srq *srq, int wqe_index)

36
drivers/infiniband/hw/mlx5/main.c
View File

@ -4795,19 +4795,21 @@ static int create_dev_resources(struct mlx5_ib_resources *devr)
attr.ext.cq = devr->c0;
attr.ext.xrc.xrcd = devr->x0;
devr->s0 = mlx5_ib_create_srq(devr->p0, &attr, NULL);
if (IS_ERR(devr->s0)) {
ret = PTR_ERR(devr->s0);
devr->s0 = rdma_zalloc_drv_obj(ibdev, ib_srq);
if (!devr->s0) {
ret = -ENOMEM;
goto error4;
}
devr->s0->device = &dev->ib_dev;
devr->s0->pd = devr->p0;
devr->s0->uobject = NULL;
devr->s0->event_handler = NULL;
devr->s0->srq_context = NULL;
devr->s0->srq_type = IB_SRQT_XRC;
devr->s0->ext.xrc.xrcd = devr->x0;
devr->s0->ext.cq = devr->c0;
ret = mlx5_ib_create_srq(devr->s0, &attr, NULL);
if (ret)
goto err_create;
atomic_inc(&devr->s0->ext.xrc.xrcd->usecnt);
atomic_inc(&devr->s0->ext.cq->usecnt);
atomic_inc(&devr->p0->usecnt);
@ -4817,18 +4819,21 @@ static int create_dev_resources(struct mlx5_ib_resources *devr)
attr.attr.max_sge = 1;
attr.attr.max_wr = 1;
attr.srq_type = IB_SRQT_BASIC;
devr->s1 = mlx5_ib_create_srq(devr->p0, &attr, NULL);
if (IS_ERR(devr->s1)) {
ret = PTR_ERR(devr->s1);
devr->s1 = rdma_zalloc_drv_obj(ibdev, ib_srq);
if (!devr->s1) {
ret = -ENOMEM;
goto error5;
}
devr->s1->device = &dev->ib_dev;
devr->s1->pd = devr->p0;
devr->s1->uobject = NULL;
devr->s1->event_handler = NULL;
devr->s1->srq_context = NULL;
devr->s1->srq_type = IB_SRQT_BASIC;
devr->s1->ext.cq = devr->c0;
ret = mlx5_ib_create_srq(devr->s1, &attr, NULL);
if (ret)
goto error6;
atomic_inc(&devr->p0->usecnt);
atomic_set(&devr->s1->usecnt, 0);
@ -4840,8 +4845,12 @@ static int create_dev_resources(struct mlx5_ib_resources *devr)
return 0;
error6:
kfree(devr->s1);
error5:
mlx5_ib_destroy_srq(devr->s0, NULL);
err_create:
kfree(devr->s0);
error4:
mlx5_ib_dealloc_xrcd(devr->x1, NULL);
error3:
@ -4862,7 +4871,9 @@ static void destroy_dev_resources(struct mlx5_ib_resources *devr)
int port;
mlx5_ib_destroy_srq(devr->s1, NULL);
kfree(devr->s1);
mlx5_ib_destroy_srq(devr->s0, NULL);
kfree(devr->s0);
mlx5_ib_dealloc_xrcd(devr->x0, NULL);
mlx5_ib_dealloc_xrcd(devr->x1, NULL);
mlx5_ib_destroy_cq(devr->c0, NULL);
@ -5989,6 +6000,7 @@ static const struct ib_device_ops mlx5_ib_dev_ops = {
INIT_RDMA_OBJ_SIZE(ib_ah, mlx5_ib_ah, ibah),
INIT_RDMA_OBJ_SIZE(ib_pd, mlx5_ib_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_srq, mlx5_ib_srq, ibsrq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, mlx5_ib_ucontext, ibucontext),
};

5
drivers/infiniband/hw/mlx5/mlx5_ib.h
View File

@ -1058,13 +1058,12 @@ int mlx5_ib_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags,
struct ib_udata *udata);
int mlx5_ib_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
void mlx5_ib_destroy_ah(struct ib_ah *ah, u32 flags);
struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
struct ib_srq_init_attr *init_attr,
int mlx5_ib_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr,
struct ib_udata *udata);
int mlx5_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
int mlx5_ib_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr);
int mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
void mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
int mlx5_ib_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
const struct ib_recv_wr **bad_wr);
int mlx5_ib_enable_lb(struct mlx5_ib_dev *dev, bool td, bool qp);

55
drivers/infiniband/hw/mlx5/srq.c
View File

@ -214,16 +214,16 @@ static void destroy_srq_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_srq *srq)
mlx5_db_free(dev->mdev, &srq->db);
}
struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
int mlx5_ib_create_srq(struct ib_srq *ib_srq,
struct ib_srq_init_attr *init_attr,
struct ib_udata *udata)
{
struct mlx5_ib_dev *dev = to_mdev(pd->device);
struct mlx5_ib_srq *srq;
struct mlx5_ib_dev *dev = to_mdev(ib_srq->device);
struct mlx5_ib_srq *srq = to_msrq(ib_srq);
size_t desc_size;
size_t buf_size;
int err;
struct mlx5_srq_attr in = {0};
struct mlx5_srq_attr in = {};
__u32 max_srq_wqes = 1 << MLX5_CAP_GEN(dev->mdev, log_max_srq_sz);
/* Sanity check SRQ size before proceeding */
@ -231,13 +231,9 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
mlx5_ib_dbg(dev, "max_wr %d, cap %d\n",
init_attr->attr.max_wr,
max_srq_wqes);
return ERR_PTR(-EINVAL);
return -EINVAL;
}
srq = kmalloc(sizeof(*srq), GFP_KERNEL);
if (!srq)
return ERR_PTR(-ENOMEM);
mutex_init(&srq->mutex);
spin_lock_init(&srq->lock);
srq->msrq.max = roundup_pow_of_two(init_attr->attr.max_wr + 1);
@ -245,35 +241,32 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
desc_size = sizeof(struct mlx5_wqe_srq_next_seg) +
srq->msrq.max_gs * sizeof(struct mlx5_wqe_data_seg);
if (desc_size == 0 || srq->msrq.max_gs > desc_size) {
err = -EINVAL;
goto err_srq;
}
if (desc_size == 0 || srq->msrq.max_gs > desc_size)
return -EINVAL;
desc_size = roundup_pow_of_two(desc_size);
desc_size = max_t(size_t, 32, desc_size);
if (desc_size < sizeof(struct mlx5_wqe_srq_next_seg)) {
err = -EINVAL;
goto err_srq;
}
if (desc_size < sizeof(struct mlx5_wqe_srq_next_seg))
return -EINVAL;
srq->msrq.max_avail_gather = (desc_size - sizeof(struct mlx5_wqe_srq_next_seg)) /
sizeof(struct mlx5_wqe_data_seg);
srq->msrq.wqe_shift = ilog2(desc_size);
buf_size = srq->msrq.max * desc_size;
if (buf_size < desc_size) {
err = -EINVAL;
goto err_srq;
}
if (buf_size < desc_size)
return -EINVAL;
in.type = init_attr->srq_type;
if (udata)
err = create_srq_user(pd, srq, &in, udata, buf_size);
err = create_srq_user(ib_srq->pd, srq, &in, udata, buf_size);
else
err = create_srq_kernel(dev, srq, &in, buf_size);
if (err) {
mlx5_ib_warn(dev, "create srq %s failed, err %d\n",
udata ? "user" : "kernel", err);
goto err_srq;
return err;
}
in.log_size = ilog2(srq->msrq.max);
@ -303,7 +296,7 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
else
in.cqn = to_mcq(dev->devr.c0)->mcq.cqn;
in.pd = to_mpd(pd)->pdn;
in.pd = to_mpd(ib_srq->pd)->pdn;
in.db_record = srq->db.dma;
err = mlx5_cmd_create_srq(dev, &srq->msrq, &in);
kvfree(in.pas);
@ -326,21 +319,18 @@ struct ib_srq *mlx5_ib_create_srq(struct ib_pd *pd,
init_attr->attr.max_wr = srq->msrq.max - 1;
return &srq->ibsrq;
return 0;
err_core:
mlx5_cmd_destroy_srq(dev, &srq->msrq);
err_usr_kern_srq:
if (udata)
destroy_srq_user(pd, srq, udata);
destroy_srq_user(ib_srq->pd, srq, udata);
else
destroy_srq_kernel(dev, srq);
err_srq:
kfree(srq);
return ERR_PTR(err);
return err;
}
int mlx5_ib_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
@ -393,7 +383,7 @@ out_box:
return ret;
}
int mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
void mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
{
struct mlx5_ib_dev *dev = to_mdev(srq->device);
struct mlx5_ib_srq *msrq = to_msrq(srq);
@ -411,9 +401,6 @@ int mlx5_ib_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
} else {
destroy_srq_kernel(dev, msrq);
}
kfree(srq);
return 0;
}
void mlx5_ib_free_srq_wqe(struct mlx5_ib_srq *srq, int wqe_index)

2
drivers/infiniband/hw/mlx5/srq.h
View File

@ -56,7 +56,7 @@ struct mlx5_srq_table {
int mlx5_cmd_create_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
struct mlx5_srq_attr *in);
int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq);
void mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq);
int mlx5_cmd_query_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,
struct mlx5_srq_attr *out);
int mlx5_cmd_arm_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,

8
drivers/infiniband/hw/mlx5/srq_cmd.c
View File

@ -607,7 +607,7 @@ err_destroy_srq_split:
return err;
}
int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq)
void mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq)
{
struct mlx5_srq_table *table = &dev->srq_table;
struct mlx5_core_srq *tmp;
@ -615,16 +615,14 @@ int mlx5_cmd_destroy_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq)
tmp = xa_erase_irq(&table->array, srq->srqn);
if (!tmp || tmp != srq)
return -EINVAL;
return;
err = destroy_srq_split(dev, srq);
if (err)
return err;
return;
mlx5_core_res_put(&srq->common);
wait_for_completion(&srq->common.free);
return 0;
}
int mlx5_cmd_query_srq(struct mlx5_ib_dev *dev, struct mlx5_core_srq *srq,

49
drivers/infiniband/hw/mthca/mthca_provider.c
View File

@ -403,65 +403,53 @@ static void mthca_ah_destroy(struct ib_ah *ah, u32 flags)
mthca_destroy_ah(to_mdev(ah->device), to_mah(ah));
}
static struct ib_srq *mthca_create_srq(struct ib_pd *pd,
static int mthca_create_srq(struct ib_srq *ibsrq,
struct ib_srq_init_attr *init_attr,
struct ib_udata *udata)
{
struct mthca_create_srq ucmd;
struct mthca_ucontext *context = rdma_udata_to_drv_context(
udata, struct mthca_ucontext, ibucontext);
struct mthca_srq *srq;
struct mthca_srq *srq = to_msrq(ibsrq);
int err;
if (init_attr->srq_type != IB_SRQT_BASIC)
return ERR_PTR(-EOPNOTSUPP);
srq = kmalloc(sizeof *srq, GFP_KERNEL);
if (!srq)
return ERR_PTR(-ENOMEM);
return -EOPNOTSUPP;
if (udata) {
if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd)) {
err = -EFAULT;
goto err_free;
}
if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)))
return -EFAULT;
err = mthca_map_user_db(to_mdev(pd->device), &context->uar,
err = mthca_map_user_db(to_mdev(ibsrq->device), &context->uar,
context->db_tab, ucmd.db_index,
ucmd.db_page);
if (err)
goto err_free;
return err;
srq->mr.ibmr.lkey = ucmd.lkey;
srq->db_index = ucmd.db_index;
}
err = mthca_alloc_srq(to_mdev(pd->device), to_mpd(pd),
err = mthca_alloc_srq(to_mdev(ibsrq->device), to_mpd(ibsrq->pd),
&init_attr->attr, srq, udata);
if (err && udata)
mthca_unmap_user_db(to_mdev(pd->device), &context->uar,
mthca_unmap_user_db(to_mdev(ibsrq->device), &context->uar,
context->db_tab, ucmd.db_index);
if (err)
goto err_free;
return err;
if (context && ib_copy_to_udata(udata, &srq->srqn, sizeof (__u32))) {
mthca_free_srq(to_mdev(pd->device), srq);
err = -EFAULT;
goto err_free;
if (context && ib_copy_to_udata(udata, &srq->srqn, sizeof(__u32))) {
mthca_free_srq(to_mdev(ibsrq->device), srq);
return -EFAULT;
}
return &srq->ibsrq;
err_free:
kfree(srq);
return ERR_PTR(err);
return 0;
}
static int mthca_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
static void mthca_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
{
if (udata) {
struct mthca_ucontext *context =
@ -475,9 +463,6 @@ static int mthca_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
}
mthca_free_srq(to_mdev(srq->device), to_msrq(srq));
kfree(srq);
return 0;
}
static struct ib_qp *mthca_create_qp(struct ib_pd *pd,
@ -1210,6 +1195,8 @@ static const struct ib_device_ops mthca_dev_arbel_srq_ops = {
.modify_srq = mthca_modify_srq,
.post_srq_recv = mthca_arbel_post_srq_recv,
.query_srq = mthca_query_srq,
INIT_RDMA_OBJ_SIZE(ib_srq, mthca_srq, ibsrq),
};
static const struct ib_device_ops mthca_dev_tavor_srq_ops = {
@ -1218,6 +1205,8 @@ static const struct ib_device_ops mthca_dev_tavor_srq_ops = {
.modify_srq = mthca_modify_srq,
.post_srq_recv = mthca_tavor_post_srq_recv,
.query_srq = mthca_query_srq,
INIT_RDMA_OBJ_SIZE(ib_srq, mthca_srq, ibsrq),
};
static const struct ib_device_ops mthca_dev_arbel_fmr_ops = {

8
drivers/infiniband/hw/ocrdma/ocrdma_hw.c
View File

@ -2863,21 +2863,19 @@ int ocrdma_mbx_query_srq(struct ocrdma_srq *srq, struct ib_srq_attr *srq_attr)
return status;
}
int ocrdma_mbx_destroy_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq)
void ocrdma_mbx_destroy_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq)
{
int status = -ENOMEM;
struct ocrdma_destroy_srq *cmd;
struct pci_dev *pdev = dev->nic_info.pdev;
cmd = ocrdma_init_emb_mqe(OCRDMA_CMD_DELETE_SRQ, sizeof(*cmd));
if (!cmd)
return status;
return;
cmd->id = srq->id;
status = ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd);
ocrdma_mbx_cmd(dev, (struct ocrdma_mqe *)cmd);
if (srq->rq.va)
dma_free_coherent(&pdev->dev, srq->rq.len,
srq->rq.va, srq->rq.pa);
kfree(cmd);
return status;
}
static int ocrdma_mbx_get_dcbx_config(struct ocrdma_dev *dev, u32 ptype,

2
drivers/infiniband/hw/ocrdma/ocrdma_hw.h
View File

@ -137,7 +137,7 @@ int ocrdma_mbx_create_srq(struct ocrdma_dev *, struct ocrdma_srq *,
struct ocrdma_pd *);
int ocrdma_mbx_modify_srq(struct ocrdma_srq *, struct ib_srq_attr *);
int ocrdma_mbx_query_srq(struct ocrdma_srq *, struct ib_srq_attr *);
int ocrdma_mbx_destroy_srq(struct ocrdma_dev *, struct ocrdma_srq *);
void ocrdma_mbx_destroy_srq(struct ocrdma_dev *dev, struct ocrdma_srq *srq);
int ocrdma_alloc_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah);
void ocrdma_free_av(struct ocrdma_dev *dev, struct ocrdma_ah *ah);

2
drivers/infiniband/hw/ocrdma/ocrdma_main.c
View File

@ -191,6 +191,8 @@ static const struct ib_device_ops ocrdma_dev_srq_ops = {
.modify_srq = ocrdma_modify_srq,
.post_srq_recv = ocrdma_post_srq_recv,
.query_srq = ocrdma_query_srq,
INIT_RDMA_OBJ_SIZE(ib_srq, ocrdma_srq, ibsrq),
};
static int ocrdma_register_device(struct ocrdma_dev *dev)

45
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
View File

@ -1805,45 +1805,43 @@ static int ocrdma_copy_srq_uresp(struct ocrdma_dev *dev, struct ocrdma_srq *srq,
return status;
}
struct ib_srq *ocrdma_create_srq(struct ib_pd *ibpd,
struct ib_srq_init_attr *init_attr,
int ocrdma_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr,
struct ib_udata *udata)
{
int status = -ENOMEM;
struct ocrdma_pd *pd = get_ocrdma_pd(ibpd);
struct ocrdma_dev *dev = get_ocrdma_dev(ibpd->device);
struct ocrdma_srq *srq;
int status;
struct ocrdma_pd *pd = get_ocrdma_pd(ibsrq->pd);
struct ocrdma_dev *dev = get_ocrdma_dev(ibsrq->device);
struct ocrdma_srq *srq = get_ocrdma_srq(ibsrq);
if (init_attr->attr.max_sge > dev->attr.max_recv_sge)
return ERR_PTR(-EINVAL);
return -EINVAL;
if (init_attr->attr.max_wr > dev->attr.max_rqe)
return ERR_PTR(-EINVAL);
srq = kzalloc(sizeof(*srq), GFP_KERNEL);
if (!srq)
return ERR_PTR(status);
return -EINVAL;
spin_lock_init(&srq->q_lock);
srq->pd = pd;
srq->db = dev->nic_info.db + (pd->id * dev->nic_info.db_page_size);
status = ocrdma_mbx_create_srq(dev, srq, init_attr, pd);
if (status)
goto err;
return status;
if (udata == NULL) {
status = -ENOMEM;
if (!udata) {
srq->rqe_wr_id_tbl = kcalloc(srq->rq.max_cnt, sizeof(u64),
GFP_KERNEL);
if (srq->rqe_wr_id_tbl == NULL)
if (!srq->rqe_wr_id_tbl) {
status = -ENOMEM;
goto arm_err;
}
srq->bit_fields_len = (srq->rq.max_cnt / 32) +
(srq->rq.max_cnt % 32 ? 1 : 0);
srq->idx_bit_fields =
kmalloc_array(srq->bit_fields_len, sizeof(u32),
GFP_KERNEL);
if (srq->idx_bit_fields == NULL)
if (!srq->idx_bit_fields) {
status = -ENOMEM;
goto arm_err;
}
memset(srq->idx_bit_fields, 0xff,
srq->bit_fields_len * sizeof(u32));
}
@ -1860,15 +1858,13 @@ struct ib_srq *ocrdma_create_srq(struct ib_pd *ibpd,
goto arm_err;
}
return &srq->ibsrq;
return 0;
arm_err:
ocrdma_mbx_destroy_srq(dev, srq);
err:
kfree(srq->rqe_wr_id_tbl);
kfree(srq->idx_bit_fields);
kfree(srq);
return ERR_PTR(status);
return status;
}
int ocrdma_modify_srq(struct ib_srq *ibsrq,
@ -1897,15 +1893,14 @@ int ocrdma_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr)
return status;
}
int ocrdma_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
void ocrdma_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
{
int status;
struct ocrdma_srq *srq;
struct ocrdma_dev *dev = get_ocrdma_dev(ibsrq->device);
srq = get_ocrdma_srq(ibsrq);
status = ocrdma_mbx_destroy_srq(dev, srq);
ocrdma_mbx_destroy_srq(dev, srq);
if (srq->pd->uctx)
ocrdma_del_mmap(srq->pd->uctx, (u64) srq->rq.pa,
@ -1913,8 +1908,6 @@ int ocrdma_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
kfree(srq->idx_bit_fields);
kfree(srq->rqe_wr_id_tbl);
kfree(srq);
return status;
}
/* unprivileged verbs and their support functions. */

6
drivers/infiniband/hw/ocrdma/ocrdma_verbs.h
View File

@ -91,12 +91,12 @@ int ocrdma_query_qp(struct ib_qp *,
int ocrdma_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata);
void ocrdma_del_flush_qp(struct ocrdma_qp *qp);
struct ib_srq *ocrdma_create_srq(struct ib_pd *, struct ib_srq_init_attr *,
struct ib_udata *);
int ocrdma_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *attr,
struct ib_udata *udata);
int ocrdma_modify_srq(struct ib_srq *, struct ib_srq_attr *,
enum ib_srq_attr_mask, struct ib_udata *);
int ocrdma_query_srq(struct ib_srq *, struct ib_srq_attr *);
int ocrdma_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata);
void ocrdma_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata);
int ocrdma_post_srq_recv(struct ib_srq *, const struct ib_recv_wr *,
const struct ib_recv_wr **bad_recv_wr);

1
drivers/infiniband/hw/qedr/main.c
View File

@ -241,6 +241,7 @@ static const struct ib_device_ops qedr_dev_ops = {
INIT_RDMA_OBJ_SIZE(ib_ah, qedr_ah, ibah),
INIT_RDMA_OBJ_SIZE(ib_pd, qedr_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_srq, qedr_srq, ibsrq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, qedr_ucontext, ibucontext),
};

30
drivers/infiniband/hw/qedr/verbs.c
View File

@ -1267,7 +1267,7 @@ static void qedr_set_roce_db_info(struct qedr_dev *dev, struct qedr_qp *qp)
}
}
static int qedr_check_srq_params(struct ib_pd *ibpd, struct qedr_dev *dev,
static int qedr_check_srq_params(struct qedr_dev *dev,
struct ib_srq_init_attr *attrs,
struct ib_udata *udata)
{
@ -1383,33 +1383,28 @@ err0:
return rc;
}
struct ib_srq *qedr_create_srq(struct ib_pd *ibpd,
struct ib_srq_init_attr *init_attr,
int qedr_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr,
struct ib_udata *udata)
{
struct qed_rdma_destroy_srq_in_params destroy_in_params;
struct qed_rdma_create_srq_in_params in_params = {};
struct qedr_dev *dev = get_qedr_dev(ibpd->device);
struct qedr_dev *dev = get_qedr_dev(ibsrq->device);
struct qed_rdma_create_srq_out_params out_params;
struct qedr_pd *pd = get_qedr_pd(ibpd);
struct qedr_pd *pd = get_qedr_pd(ibsrq->pd);
struct qedr_create_srq_ureq ureq = {};
u64 pbl_base_addr, phy_prod_pair_addr;
struct qedr_srq_hwq_info *hw_srq;
u32 page_cnt, page_size;
struct qedr_srq *srq;
struct qedr_srq *srq = get_qedr_srq(ibsrq);
int rc = 0;
DP_DEBUG(dev, QEDR_MSG_QP,
"create SRQ called from %s (pd %p)\n",
(udata) ? "User lib" : "kernel", pd);
rc = qedr_check_srq_params(ibpd, dev, init_attr, udata);
rc = qedr_check_srq_params(dev, init_attr, udata);
if (rc)
return ERR_PTR(-EINVAL);
srq = kzalloc(sizeof(*srq), GFP_KERNEL);
if (!srq)
return ERR_PTR(-ENOMEM);
return -EINVAL;
srq->dev = dev;
hw_srq = &srq->hw_srq;
@ -1471,7 +1466,7 @@ struct ib_srq *qedr_create_srq(struct ib_pd *ibpd,
DP_DEBUG(dev, QEDR_MSG_SRQ,
"create srq: created srq with srq_id=0x%0x\n", srq->srq_id);
return &srq->ibsrq;
return 0;
err2:
destroy_in_params.srq_id = srq->srq_id;
@ -1483,12 +1478,10 @@ err1:
else
qedr_free_srq_kernel_params(srq);
err0:
kfree(srq);
return ERR_PTR(-EFAULT);
return -EFAULT;
}
int qedr_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
void qedr_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
{
struct qed_rdma_destroy_srq_in_params in_params = {};
struct qedr_dev *dev = get_qedr_dev(ibsrq->device);
@ -1506,9 +1499,6 @@ int qedr_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
DP_DEBUG(dev, QEDR_MSG_SRQ,
"destroy srq: destroyed srq with srq_id=0x%0x\n",
srq->srq_id);
kfree(srq);
return 0;
}
int qedr_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,

5
drivers/infiniband/hw/qedr/verbs.h
View File

@ -64,13 +64,12 @@ int qedr_query_qp(struct ib_qp *, struct ib_qp_attr *qp_attr,
int qp_attr_mask, struct ib_qp_init_attr *);
int qedr_destroy_qp(struct ib_qp *ibqp, struct ib_udata *udata);
struct ib_srq *qedr_create_srq(struct ib_pd *ibpd,
struct ib_srq_init_attr *attr,
int qedr_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *attr,
struct ib_udata *udata);
int qedr_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
int qedr_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr);
int qedr_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata);
void qedr_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata);
int qedr_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
const struct ib_recv_wr **bad_recv_wr);
int qedr_create_ah(struct ib_ah *ibah, struct rdma_ah_attr *attr, u32 flags,

2
drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
View File

@ -206,6 +206,8 @@ static const struct ib_device_ops pvrdma_dev_srq_ops = {
.destroy_srq = pvrdma_destroy_srq,
.modify_srq = pvrdma_modify_srq,
.query_srq = pvrdma_query_srq,
INIT_RDMA_OBJ_SIZE(ib_srq, pvrdma_srq, ibsrq),
};
static int pvrdma_register_device(struct pvrdma_dev *dev)

38
drivers/infiniband/hw/vmw_pvrdma/pvrdma_srq.c
View File

@ -94,19 +94,18 @@ int pvrdma_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *srq_attr)
* @init_attr: shared receive queue attributes
* @udata: user data
*
* @return: the ib_srq pointer on success, otherwise returns an errno.
* @return: 0 on success, otherwise returns an errno.
*/
struct ib_srq *pvrdma_create_srq(struct ib_pd *pd,
struct ib_srq_init_attr *init_attr,
int pvrdma_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init_attr,
struct ib_udata *udata)
{
struct pvrdma_srq *srq = NULL;
struct pvrdma_dev *dev = to_vdev(pd->device);
struct pvrdma_srq *srq = to_vsrq(ibsrq);
struct pvrdma_dev *dev = to_vdev(ibsrq->device);
union pvrdma_cmd_req req;
union pvrdma_cmd_resp rsp;
struct pvrdma_cmd_create_srq *cmd = &req.create_srq;
struct pvrdma_cmd_create_srq_resp *resp = &rsp.create_srq_resp;
struct pvrdma_create_srq_resp srq_resp = {0};
struct pvrdma_create_srq_resp srq_resp = {};
struct pvrdma_create_srq ucmd;
unsigned long flags;
int ret;
@ -115,31 +114,25 @@ struct ib_srq *pvrdma_create_srq(struct ib_pd *pd,
/* No support for kernel clients. */
dev_warn(&dev->pdev->dev,
"no shared receive queue support for kernel client\n");
return ERR_PTR(-EOPNOTSUPP);
return -EOPNOTSUPP;
}
if (init_attr->srq_type != IB_SRQT_BASIC) {
dev_warn(&dev->pdev->dev,
"shared receive queue type %d not supported\n",
init_attr->srq_type);
return ERR_PTR(-EINVAL);
return -EINVAL;
}
if (init_attr->attr.max_wr > dev->dsr->caps.max_srq_wr ||
init_attr->attr.max_sge > dev->dsr->caps.max_srq_sge) {
dev_warn(&dev->pdev->dev,
"shared receive queue size invalid\n");
return ERR_PTR(-EINVAL);
return -EINVAL;
}
if (!atomic_add_unless(&dev->num_srqs, 1, dev->dsr->caps.max_srq))
return ERR_PTR(-ENOMEM);
srq = kmalloc(sizeof(*srq), GFP_KERNEL);
if (!srq) {
ret = -ENOMEM;
goto err_srq;
}
return -ENOMEM;
spin_lock_init(&srq->lock);
refcount_set(&srq->refcnt, 1);
@ -181,7 +174,7 @@ struct ib_srq *pvrdma_create_srq(struct ib_pd *pd,
cmd->hdr.cmd = PVRDMA_CMD_CREATE_SRQ;
cmd->srq_type = init_attr->srq_type;
cmd->nchunks = srq->npages;
cmd->pd_handle = to_vpd(pd)->pd_handle;
cmd->pd_handle = to_vpd(ibsrq->pd)->pd_handle;
cmd->attrs.max_wr = init_attr->attr.max_wr;
cmd->attrs.max_sge = init_attr->attr.max_sge;
cmd->attrs.srq_limit = init_attr->attr.srq_limit;
@ -205,20 +198,19 @@ struct ib_srq *pvrdma_create_srq(struct ib_pd *pd,
if (ib_copy_to_udata(udata, &srq_resp, sizeof(srq_resp))) {
dev_warn(&dev->pdev->dev, "failed to copy back udata\n");
pvrdma_destroy_srq(&srq->ibsrq, udata);
return ERR_PTR(-EINVAL);
return -EINVAL;
}
return &srq->ibsrq;
return 0;
err_page_dir:
pvrdma_page_dir_cleanup(dev, &srq->pdir);
err_umem:
ib_umem_release(srq->umem);
err_srq:
kfree(srq);
atomic_dec(&dev->num_srqs);
return ERR_PTR(ret);
return ret;
}
static void pvrdma_free_srq(struct pvrdma_dev *dev, struct pvrdma_srq *srq)
@ -250,7 +242,7 @@ static void pvrdma_free_srq(struct pvrdma_dev *dev, struct pvrdma_srq *srq)
*
* @return: 0 for success.
*/
int pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
void pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
{
struct pvrdma_srq *vsrq = to_vsrq(srq);
union pvrdma_cmd_req req;
@ -269,8 +261,6 @@ int pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata)
ret);
pvrdma_free_srq(dev, vsrq);
return 0;
}
/**

5
drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h
View File

@ -419,13 +419,12 @@ int pvrdma_create_ah(struct ib_ah *ah, struct rdma_ah_attr *ah_attr, u32 flags,
struct ib_udata *udata);
void pvrdma_destroy_ah(struct ib_ah *ah, u32 flags);
struct ib_srq *pvrdma_create_srq(struct ib_pd *pd,
struct ib_srq_init_attr *init_attr,
int pvrdma_create_srq(struct ib_srq *srq, struct ib_srq_init_attr *init_attr,
struct ib_udata *udata);
int pvrdma_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
enum ib_srq_attr_mask attr_mask, struct ib_udata *udata);
int pvrdma_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
int pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
void pvrdma_destroy_srq(struct ib_srq *srq, struct ib_udata *udata);
struct ib_qp *pvrdma_create_qp(struct ib_pd *pd,
struct ib_qp_init_attr *init_attr,

41
drivers/infiniband/sw/rdmavt/srq.c
View File

@ -71,29 +71,24 @@ void rvt_driver_srq_init(struct rvt_dev_info *rdi)
* @srq_init_attr: the attributes of the SRQ
* @udata: data from libibverbs when creating a user SRQ
*
* Return: Allocated srq object
* Return: 0 on success
*/
struct ib_srq *rvt_create_srq(struct ib_pd *ibpd,
struct ib_srq_init_attr *srq_init_attr,
int rvt_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *srq_init_attr,
struct ib_udata *udata)
{
struct rvt_dev_info *dev = ib_to_rvt(ibpd->device);
struct rvt_srq *srq;
struct rvt_dev_info *dev = ib_to_rvt(ibsrq->device);
struct rvt_srq *srq = ibsrq_to_rvtsrq(ibsrq);
u32 sz;
struct ib_srq *ret;
int ret;
if (srq_init_attr->srq_type != IB_SRQT_BASIC)
return ERR_PTR(-EOPNOTSUPP);
return -EOPNOTSUPP;
if (srq_init_attr->attr.max_sge == 0 ||
srq_init_attr->attr.max_sge > dev->dparms.props.max_srq_sge ||
srq_init_attr->attr.max_wr == 0 ||
srq_init_attr->attr.max_wr > dev->dparms.props.max_srq_wr)
return ERR_PTR(-EINVAL);
srq = kzalloc_node(sizeof(*srq), GFP_KERNEL, dev->dparms.node);
if (!srq)
return ERR_PTR(-ENOMEM);
return -EINVAL;
/*
* Need to use vmalloc() if we want to support large #s of entries.
@ -107,7 +102,7 @@ struct ib_srq *rvt_create_srq(struct ib_pd *ibpd,
vzalloc_node(sizeof(struct rvt_rwq) + srq->rq.size * sz,
dev->dparms.node);
if (!srq->rq.wq) {
ret = ERR_PTR(-ENOMEM);
ret = -ENOMEM;
goto bail_srq;
}
@ -116,22 +111,19 @@ struct ib_srq *rvt_create_srq(struct ib_pd *ibpd,
* See rvt_mmap() for details.
*/
if (udata && udata->outlen >= sizeof(__u64)) {
int err;
u32 s = sizeof(struct rvt_rwq) + srq->rq.size * sz;
srq->ip = rvt_create_mmap_info(dev, s, udata, srq->rq.wq);
if (!srq->ip) {
ret = ERR_PTR(-ENOMEM);
ret = -ENOMEM;
goto bail_wq;
}
err = ib_copy_to_udata(udata, &srq->ip->offset,
ret = ib_copy_to_udata(udata, &srq->ip->offset,
sizeof(srq->ip->offset));
if (err) {
ret = ERR_PTR(err);
if (ret)
goto bail_ip;
}
}
/*
* ib_create_srq() will initialize srq->ibsrq.
@ -142,7 +134,7 @@ struct ib_srq *rvt_create_srq(struct ib_pd *ibpd,
spin_lock(&dev->n_srqs_lock);
if (dev->n_srqs_allocated == dev->dparms.props.max_srq) {
spin_unlock(&dev->n_srqs_lock);
ret = ERR_PTR(-ENOMEM);
ret = -ENOMEM;
goto bail_ip;
}
@ -155,14 +147,13 @@ struct ib_srq *rvt_create_srq(struct ib_pd *ibpd,
spin_unlock_irq(&dev->pending_lock);
}
return &srq->ibsrq;
return 0;
bail_ip:
kfree(srq->ip);
bail_wq:
vfree(srq->rq.wq);
bail_srq:
kfree(srq);
return ret;
}
@ -334,9 +325,8 @@ int rvt_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr)
* rvt_destroy_srq - destory an srq
* @ibsrq: srq object to destroy
*
* Return always 0
*/
int rvt_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
void rvt_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
{
struct rvt_srq *srq = ibsrq_to_rvtsrq(ibsrq);
struct rvt_dev_info *dev = ib_to_rvt(ibsrq->device);
@ -348,7 +338,4 @@ int rvt_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
kref_put(&srq->ip->ref, rvt_release_mmap_info);
else
vfree(srq->rq.wq);
kfree(srq);
return 0;
}

5
drivers/infiniband/sw/rdmavt/srq.h
View File

@ -50,13 +50,12 @@
#include <rdma/rdma_vt.h>
void rvt_driver_srq_init(struct rvt_dev_info *rdi);
struct ib_srq *rvt_create_srq(struct ib_pd *ibpd,
struct ib_srq_init_attr *srq_init_attr,
int rvt_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *srq_init_attr,
struct ib_udata *udata);
int rvt_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
enum ib_srq_attr_mask attr_mask,
struct ib_udata *udata);
int rvt_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr);
int rvt_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata);
void rvt_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata);
#endif /* DEF_RVTSRQ_H */

1
drivers/infiniband/sw/rdmavt/vt.c
View File

@ -428,6 +428,7 @@ static const struct ib_device_ops rvt_dev_ops = {
INIT_RDMA_OBJ_SIZE(ib_ah, rvt_ah, ibah),
INIT_RDMA_OBJ_SIZE(ib_pd, rvt_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_srq, rvt_srq, ibsrq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, rvt_ucontext, ibucontext),
};

2
drivers/infiniband/sw/rxe/rxe_pool.c
View File

@ -57,7 +57,7 @@ struct rxe_type_info rxe_type_info[RXE_NUM_TYPES] = {
[RXE_TYPE_SRQ] = {
.name = "rxe-srq",
.size = sizeof(struct rxe_srq),
.flags = RXE_POOL_INDEX,
.flags = RXE_POOL_INDEX | RXE_POOL_NO_ALLOC,
.min_index = RXE_MIN_SRQ_INDEX,
.max_index = RXE_MAX_SRQ_INDEX,
},

29
drivers/infiniband/sw/rxe/rxe_verbs.c
View File

@ -289,19 +289,18 @@ err1:
return err;
}
static struct ib_srq *rxe_create_srq(struct ib_pd *ibpd,
struct ib_srq_init_attr *init,
static int rxe_create_srq(struct ib_srq *ibsrq, struct ib_srq_init_attr *init,
struct ib_udata *udata)
{
int err;
struct rxe_dev *rxe = to_rdev(ibpd->device);
struct rxe_pd *pd = to_rpd(ibpd);
struct rxe_srq *srq;
struct rxe_dev *rxe = to_rdev(ibsrq->device);
struct rxe_pd *pd = to_rpd(ibsrq->pd);
struct rxe_srq *srq = to_rsrq(ibsrq);
struct rxe_create_srq_resp __user *uresp = NULL;
if (udata) {
if (udata->outlen < sizeof(*uresp))
return ERR_PTR(-EINVAL);
return -EINVAL;
uresp = udata->outbuf;
}
@ -309,13 +308,10 @@ static struct ib_srq *rxe_create_srq(struct ib_pd *ibpd,
if (err)
goto err1;
srq = rxe_alloc(&rxe->srq_pool);
if (!srq) {
err = -ENOMEM;
err = rxe_add_to_pool(&rxe->srq_pool, &srq->pelem);
if (err)
goto err1;
}
rxe_add_index(srq);
rxe_add_ref(pd);
srq->pd = pd;
@ -323,14 +319,13 @@ static struct ib_srq *rxe_create_srq(struct ib_pd *ibpd,
if (err)
goto err2;
return &srq->ibsrq;
return 0;
err2:
rxe_drop_ref(pd);
rxe_drop_index(srq);
rxe_drop_ref(srq);
err1:
return ERR_PTR(err);
return err;
}
static int rxe_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
@ -378,7 +373,7 @@ static int rxe_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr)
return 0;
}
static int rxe_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
static void rxe_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
{
struct rxe_srq *srq = to_rsrq(ibsrq);
@ -386,10 +381,7 @@ static int rxe_destroy_srq(struct ib_srq *ibsrq, struct ib_udata *udata)
rxe_queue_cleanup(srq->rq.queue);
rxe_drop_ref(srq->pd);
rxe_drop_index(srq);
rxe_drop_ref(srq);
return 0;
}
static int rxe_post_srq_recv(struct ib_srq *ibsrq, const struct ib_recv_wr *wr,
@ -1166,6 +1158,7 @@ static const struct ib_device_ops rxe_dev_ops = {
INIT_RDMA_OBJ_SIZE(ib_ah, rxe_ah, ibah),
INIT_RDMA_OBJ_SIZE(ib_pd, rxe_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_srq, rxe_srq, ibsrq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, rxe_ucontext, ibuc),
};

2
drivers/infiniband/sw/rxe/rxe_verbs.h
View File

@ -120,8 +120,8 @@ struct rxe_rq {
};
struct rxe_srq {
struct rxe_pool_entry pelem;
struct ib_srq ibsrq;
struct rxe_pool_entry pelem;
struct rxe_pd *pd;
struct rxe_rq rq;
u32 srq_num;

5
include/rdma/ib_verbs.h
View File

@ -2406,14 +2406,14 @@ struct ib_device_ops {
int (*modify_ah)(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
int (*query_ah)(struct ib_ah *ah, struct rdma_ah_attr *ah_attr);
void (*destroy_ah)(struct ib_ah *ah, u32 flags);
struct ib_srq *(*create_srq)(struct ib_pd *pd,
int (*create_srq)(struct ib_srq *srq,
struct ib_srq_init_attr *srq_init_attr,
struct ib_udata *udata);
int (*modify_srq)(struct ib_srq *srq, struct ib_srq_attr *srq_attr,
enum ib_srq_attr_mask srq_attr_mask,
struct ib_udata *udata);
int (*query_srq)(struct ib_srq *srq, struct ib_srq_attr *srq_attr);
int (*destroy_srq)(struct ib_srq *srq, struct ib_udata *udata);
void (*destroy_srq)(struct ib_srq *srq, struct ib_udata *udata);
struct ib_qp *(*create_qp)(struct ib_pd *pd,
struct ib_qp_init_attr *qp_init_attr,
struct ib_udata *udata);
@ -2553,6 +2553,7 @@ struct ib_device_ops {
DECLARE_RDMA_OBJ_SIZE(ib_ah);
DECLARE_RDMA_OBJ_SIZE(ib_pd);
DECLARE_RDMA_OBJ_SIZE(ib_srq);
DECLARE_RDMA_OBJ_SIZE(ib_ucontext);
};