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RDMA: Handle PD allocations by IB/core

Browse Source 
The PD allocations in IB/core allows us to simplify drivers and their
error flows in their .alloc_pd() paths. The changes in .alloc_pd() go hand
in had with relevant update in .dealloc_pd().

We will use this opportunity and convert .dealloc_pd() to don't fail, as
it was suggested a long time ago, failures are not happening as we have
never seen a WARN_ON print.

Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Leon Romanovsky 2019-02-03 14:55:51 +02:00 committed by Jason Gunthorpe
parent 30471d4b20
commit 21a428a019
39 changed files with 325 additions and 409 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/infiniband/core/device.c
View File

@ -1319,6 +1319,8 @@ void ib_set_device_ops(struct ib_device *dev, const struct ib_device_ops *ops)
SET_DEVICE_OP(dev_ops, set_vf_guid);
SET_DEVICE_OP(dev_ops, set_vf_link_state);
SET_DEVICE_OP(dev_ops, unmap_fmr);
SET_OBJ_SIZE(dev_ops, ib_pd);
}
EXPORT_SYMBOL(ib_set_device_ops);

15
drivers/infiniband/core/uverbs_cmd.c
View File

@ -407,9 +407,9 @@ static int ib_uverbs_alloc_pd(struct uverbs_attr_bundle *attrs)
if (IS_ERR(uobj))
return PTR_ERR(uobj);
pd = ib_dev->ops.alloc_pd(ib_dev, uobj->context, &attrs->driver_udata);
if (IS_ERR(pd)) {
ret = PTR_ERR(pd);
pd = rdma_zalloc_drv_obj(ib_dev, ib_pd);
if (!pd) {
ret = -ENOMEM;
goto err;
}
@ -417,11 +417,15 @@ static int ib_uverbs_alloc_pd(struct uverbs_attr_bundle *attrs)
pd->uobject = uobj;
pd->__internal_mr = NULL;
atomic_set(&pd->usecnt, 0);
pd->res.type = RDMA_RESTRACK_PD;
ret = ib_dev->ops.alloc_pd(pd, uobj->context, &attrs->driver_udata);
if (ret)
goto err_alloc;
uobj->object = pd;
memset(&resp, 0, sizeof resp);
resp.pd_handle = uobj->id;
pd->res.type = RDMA_RESTRACK_PD;
rdma_restrack_uadd(&pd->res);
ret = uverbs_response(attrs, &resp, sizeof(resp));
@ -432,7 +436,8 @@ static int ib_uverbs_alloc_pd(struct uverbs_attr_bundle *attrs)
err_copy:
ib_dealloc_pd(pd);
err_alloc:
kfree(pd);
err:
uobj_alloc_abort(uobj);
return ret;

2
drivers/infiniband/core/uverbs_std_types.c
View File

@ -188,7 +188,7 @@ static int uverbs_free_pd(struct ib_uobject *uobject,
if (ret)
return ret;
ib_dealloc_pd((struct ib_pd *)uobject->object);
ib_dealloc_pd(pd);
return 0;
}

27
drivers/infiniband/core/verbs.c
View File

@ -254,10 +254,11 @@ struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags,
{
struct ib_pd *pd;
int mr_access_flags = 0;
int ret;
pd = device->ops.alloc_pd(device, NULL, NULL);
if (IS_ERR(pd))
return pd;
pd = rdma_zalloc_drv_obj(device, ib_pd);
if (!pd)
return ERR_PTR(-ENOMEM);
pd->device = device;
pd->uobject = NULL;
@ -265,6 +266,16 @@ struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags,
atomic_set(&pd->usecnt, 0);
pd->flags = flags;
pd->res.type = RDMA_RESTRACK_PD;
rdma_restrack_set_task(&pd->res, caller);
ret = device->ops.alloc_pd(pd, NULL, NULL);
if (ret) {
kfree(pd);
return ERR_PTR(ret);
}
rdma_restrack_kadd(&pd->res);
if (device->attrs.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY)
pd->local_dma_lkey = device->local_dma_lkey;
else
@ -275,10 +286,6 @@ struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags,
mr_access_flags |= IB_ACCESS_REMOTE_READ | IB_ACCESS_REMOTE_WRITE;
}
pd->res.type = RDMA_RESTRACK_PD;
rdma_restrack_set_task(&pd->res, caller);
rdma_restrack_kadd(&pd->res);
if (mr_access_flags) {
struct ib_mr *mr;
@ -329,10 +336,8 @@ void ib_dealloc_pd(struct ib_pd *pd)
WARN_ON(atomic_read(&pd->usecnt));
rdma_restrack_del(&pd->res);
/* Making delalloc_pd a void return is a WIP, no driver should return
an error here. */
ret = pd->device->ops.dealloc_pd(pd);
WARN_ONCE(ret, "Infiniband HW driver failed dealloc_pd");
pd->device->ops.dealloc_pd(pd);
kfree(pd);
}
EXPORT_SYMBOL(ib_dealloc_pd);

37
drivers/infiniband/hw/bnxt_re/ib_verbs.c
View File

@ -563,41 +563,29 @@ fail:
}
/* Protection Domains */
int bnxt_re_dealloc_pd(struct ib_pd *ib_pd)
void bnxt_re_dealloc_pd(struct ib_pd *ib_pd)
{
struct bnxt_re_pd *pd = container_of(ib_pd, struct bnxt_re_pd, ib_pd);
struct bnxt_re_dev *rdev = pd->rdev;
int rc;
bnxt_re_destroy_fence_mr(pd);
if (pd->qplib_pd.id) {
rc = bnxt_qplib_dealloc_pd(&rdev->qplib_res,
&rdev->qplib_res.pd_tbl,
&pd->qplib_pd);
if (rc)
dev_err(rdev_to_dev(rdev), "Failed to deallocate HW PD");
}
kfree(pd);
return 0;
if (pd->qplib_pd.id)
bnxt_qplib_dealloc_pd(&rdev->qplib_res, &rdev->qplib_res.pd_tbl,
&pd->qplib_pd);
}
struct ib_pd *bnxt_re_alloc_pd(struct ib_device *ibdev,
struct ib_ucontext *ucontext,
struct ib_udata *udata)
int bnxt_re_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *ucontext,
struct ib_udata *udata)
{
struct ib_device *ibdev = ibpd->device;
struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev);
struct bnxt_re_ucontext *ucntx = container_of(ucontext,
struct bnxt_re_ucontext,
ib_uctx);
struct bnxt_re_pd *pd;
struct bnxt_re_pd *pd = container_of(ibpd, struct bnxt_re_pd, ib_pd);
int rc;
pd = kzalloc(sizeof(*pd), GFP_KERNEL);
if (!pd)
return ERR_PTR(-ENOMEM);
pd->rdev = rdev;
if (bnxt_qplib_alloc_pd(&rdev->qplib_res.pd_tbl, &pd->qplib_pd)) {
dev_err(rdev_to_dev(rdev), "Failed to allocate HW PD");
@ -637,13 +625,12 @@ struct ib_pd *bnxt_re_alloc_pd(struct ib_device *ibdev,
if (bnxt_re_create_fence_mr(pd))
dev_warn(rdev_to_dev(rdev),
"Failed to create Fence-MR\n");
return &pd->ib_pd;
return 0;
dbfail:
(void)bnxt_qplib_dealloc_pd(&rdev->qplib_res, &rdev->qplib_res.pd_tbl,
&pd->qplib_pd);
bnxt_qplib_dealloc_pd(&rdev->qplib_res, &rdev->qplib_res.pd_tbl,
&pd->qplib_pd);
fail:
kfree(pd);
return ERR_PTR(rc);
return rc;
}
/* Address Handles */

9
drivers/infiniband/hw/bnxt_re/ib_verbs.h
View File

@ -56,8 +56,8 @@ struct bnxt_re_fence_data {
};
struct bnxt_re_pd {
struct ib_pd ib_pd;
struct bnxt_re_dev *rdev;
struct ib_pd ib_pd;
struct bnxt_qplib_pd qplib_pd;
struct bnxt_re_fence_data fence;
};
@ -163,10 +163,9 @@ int bnxt_re_query_gid(struct ib_device *ibdev, u8 port_num,
int index, union ib_gid *gid);
enum rdma_link_layer bnxt_re_get_link_layer(struct ib_device *ibdev,
u8 port_num);
struct ib_pd *bnxt_re_alloc_pd(struct ib_device *ibdev,
struct ib_ucontext *context,
struct ib_udata *udata);
int bnxt_re_dealloc_pd(struct ib_pd *pd);
int bnxt_re_alloc_pd(struct ib_pd *pd, struct ib_ucontext *context,
struct ib_udata *udata);
void bnxt_re_dealloc_pd(struct ib_pd *pd);
struct ib_ah *bnxt_re_create_ah(struct ib_pd *pd,
struct rdma_ah_attr *ah_attr,
u32 flags,

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

@ -637,6 +637,7 @@ static const struct ib_device_ops bnxt_re_dev_ops = {
.query_srq = bnxt_re_query_srq,
.reg_user_mr = bnxt_re_reg_user_mr,
.req_notify_cq = bnxt_re_req_notify_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, bnxt_re_pd, ib_pd),
};
static int bnxt_re_register_ib(struct bnxt_re_dev *rdev)

25
drivers/infiniband/hw/cxgb3/iwch_provider.c
View File

@ -370,7 +370,7 @@ static int iwch_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
return ret;
}
static int iwch_deallocate_pd(struct ib_pd *pd)
static void iwch_deallocate_pd(struct ib_pd *pd)
{
struct iwch_dev *rhp;
struct iwch_pd *php;
@ -379,15 +379,13 @@ static int iwch_deallocate_pd(struct ib_pd *pd)
rhp = php->rhp;
pr_debug("%s ibpd %p pdid 0x%x\n", __func__, pd, php->pdid);
cxio_hal_put_pdid(rhp->rdev.rscp, php->pdid);
kfree(php);
return 0;
}
static struct ib_pd *iwch_allocate_pd(struct ib_device *ibdev,
struct ib_ucontext *context,
struct ib_udata *udata)
static int iwch_allocate_pd(struct ib_pd *pd, struct ib_ucontext *context,
struct ib_udata *udata)
{
struct iwch_pd *php;
struct iwch_pd *php = to_iwch_pd(pd);
struct ib_device *ibdev = pd->device;
u32 pdid;
struct iwch_dev *rhp;
@ -395,12 +393,8 @@ static struct ib_pd *iwch_allocate_pd(struct ib_device *ibdev,
rhp = (struct iwch_dev *) ibdev;
pdid = cxio_hal_get_pdid(rhp->rdev.rscp);
if (!pdid)
return ERR_PTR(-EINVAL);
php = kzalloc(sizeof(*php), GFP_KERNEL);
if (!php) {
cxio_hal_put_pdid(rhp->rdev.rscp, pdid);
return ERR_PTR(-ENOMEM);
}
return -EINVAL;
php->pdid = pdid;
php->rhp = rhp;
if (context) {
@ -408,11 +402,11 @@ static struct ib_pd *iwch_allocate_pd(struct ib_device *ibdev,
if (ib_copy_to_udata(udata, &resp, sizeof(resp))) {
iwch_deallocate_pd(&php->ibpd);
return ERR_PTR(-EFAULT);
return -EFAULT;
}
}
pr_debug("%s pdid 0x%0x ptr 0x%p\n", __func__, pdid, php);
return &php->ibpd;
return 0;
}
static int iwch_dereg_mr(struct ib_mr *ib_mr)
@ -1350,6 +1344,7 @@ static const struct ib_device_ops iwch_dev_ops = {
.reg_user_mr = iwch_reg_user_mr,
.req_notify_cq = iwch_arm_cq,
.resize_cq = iwch_resize_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, iwch_pd, ibpd),
};
int iwch_register_device(struct iwch_dev *dev)

25
drivers/infiniband/hw/cxgb4/provider.c
View File

@ -209,7 +209,7 @@ static int c4iw_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
return ret;
}
static int c4iw_deallocate_pd(struct ib_pd *pd)
static void c4iw_deallocate_pd(struct ib_pd *pd)
{
struct c4iw_dev *rhp;
struct c4iw_pd *php;
@ -221,15 +221,13 @@ static int c4iw_deallocate_pd(struct ib_pd *pd)
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)
static int c4iw_allocate_pd(struct ib_pd *pd, struct ib_ucontext *context,
struct ib_udata *udata)
{
struct c4iw_pd *php;
struct c4iw_pd *php = to_c4iw_pd(pd);
struct ib_device *ibdev = pd->device;
u32 pdid;
struct c4iw_dev *rhp;
@ -237,12 +235,8 @@ static struct ib_pd *c4iw_allocate_pd(struct ib_device *ibdev,
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);
}
return -EINVAL;
php->pdid = pdid;
php->rhp = rhp;
if (context) {
@ -250,7 +244,7 @@ static struct ib_pd *c4iw_allocate_pd(struct ib_device *ibdev,
if (ib_copy_to_udata(udata, &uresp, sizeof(uresp))) {
c4iw_deallocate_pd(&php->ibpd);
return ERR_PTR(-EFAULT);
return -EFAULT;
}
}
mutex_lock(&rhp->rdev.stats.lock);
@ -259,7 +253,7 @@ static struct ib_pd *c4iw_allocate_pd(struct ib_device *ibdev,
rhp->rdev.stats.pd.max = rhp->rdev.stats.pd.cur;
mutex_unlock(&rhp->rdev.stats.lock);
pr_debug("pdid 0x%0x ptr 0x%p\n", pdid, php);
return &php->ibpd;
return 0;
}
static int c4iw_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
@ -570,6 +564,7 @@ static const struct ib_device_ops c4iw_dev_ops = {
.query_qp = c4iw_ib_query_qp,
.reg_user_mr = c4iw_reg_user_mr,
.req_notify_cq = c4iw_arm_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, c4iw_pd, ibpd),
};
void c4iw_register_device(struct work_struct *work)

7
drivers/infiniband/hw/hns/hns_roce_device.h
View File

@ -1114,10 +1114,9 @@ struct ib_ah *hns_roce_create_ah(struct ib_pd *pd,
int hns_roce_query_ah(struct ib_ah *ibah, struct rdma_ah_attr *ah_attr);
int hns_roce_destroy_ah(struct ib_ah *ah, u32 flags);
struct ib_pd *hns_roce_alloc_pd(struct ib_device *ib_dev,
struct ib_ucontext *context,
struct ib_udata *udata);
int hns_roce_dealloc_pd(struct ib_pd *pd);
int hns_roce_alloc_pd(struct ib_pd *pd, struct ib_ucontext *context,
struct ib_udata *udata);
void hns_roce_dealloc_pd(struct ib_pd *pd);
struct ib_mr *hns_roce_get_dma_mr(struct ib_pd *pd, int acc);
struct ib_mr *hns_roce_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,

27
drivers/infiniband/hw/hns/hns_roce_hw_v1.c
View File

@ -711,13 +711,14 @@ static int hns_roce_v1_rsv_lp_qp(struct hns_roce_dev *hr_dev)
struct ib_qp_attr attr = { 0 };
struct hns_roce_v1_priv *priv;
struct hns_roce_qp *hr_qp;
struct ib_device *ibdev;
struct ib_cq *cq;
struct ib_pd *pd;
union ib_gid dgid;
u64 subnet_prefix;
int attr_mask = 0;
int ret = -ENOMEM;
int i, j;
int ret;
u8 queue_en[HNS_ROCE_V1_RESV_QP] = { 0 };
u8 phy_port;
u8 port = 0;
@ -742,12 +743,16 @@ static int hns_roce_v1_rsv_lp_qp(struct hns_roce_dev *hr_dev)
free_mr->mr_free_cq->ib_cq.cq_context = NULL;
atomic_set(&free_mr->mr_free_cq->ib_cq.usecnt, 0);
pd = hns_roce_alloc_pd(&hr_dev->ib_dev, NULL, NULL);
if (IS_ERR(pd)) {
dev_err(dev, "Create pd for reserved loop qp failed!");
ret = -ENOMEM;
ibdev = &hr_dev->ib_dev;
pd = rdma_zalloc_drv_obj(ibdev, ib_pd);
if (pd)
goto alloc_mem_failed;
pd->device = ibdev;
ret = hns_roce_alloc_pd(pd, NULL, NULL);
if (ret)
goto alloc_pd_failed;
}
free_mr->mr_free_pd = to_hr_pd(pd);
free_mr->mr_free_pd->ibpd.device = &hr_dev->ib_dev;
free_mr->mr_free_pd->ibpd.uobject = NULL;
@ -854,10 +859,12 @@ create_lp_qp_failed:
dev_err(dev, "Destroy qp %d for mr free failed!\n", i);
}
if (hns_roce_dealloc_pd(pd))
dev_err(dev, "Destroy pd for create_lp_qp failed!\n");
hns_roce_dealloc_pd(pd);
alloc_pd_failed:
kfree(pd);
alloc_mem_failed:
if (hns_roce_ib_destroy_cq(cq))
dev_err(dev, "Destroy cq for create_lp_qp failed!\n");
@ -891,9 +898,7 @@ static void hns_roce_v1_release_lp_qp(struct hns_roce_dev *hr_dev)
if (ret)
dev_err(dev, "Destroy cq for mr_free failed(%d)!\n", ret);
ret = hns_roce_dealloc_pd(&free_mr->mr_free_pd->ibpd);
if (ret)
dev_err(dev, "Destroy pd for mr_free failed(%d)!\n", ret);
hns_roce_dealloc_pd(&free_mr->mr_free_pd->ibpd);
}
static int hns_roce_db_init(struct hns_roce_dev *hr_dev)

1
drivers/infiniband/hw/hns/hns_roce_main.c
View File

@ -472,6 +472,7 @@ static const struct ib_device_ops hns_roce_dev_ops = {
.query_pkey = hns_roce_query_pkey,
.query_port = hns_roce_query_port,
.reg_user_mr = hns_roce_reg_user_mr,
INIT_RDMA_OBJ_SIZE(ib_pd, hns_roce_pd, ibpd),
};
static const struct ib_device_ops hns_roce_dev_mr_ops = {

25
drivers/infiniband/hw/hns/hns_roce_pd.c
View File

@ -57,24 +57,19 @@ void hns_roce_cleanup_pd_table(struct hns_roce_dev *hr_dev)
hns_roce_bitmap_cleanup(&hr_dev->pd_bitmap);
}
struct ib_pd *hns_roce_alloc_pd(struct ib_device *ib_dev,
struct ib_ucontext *context,
struct ib_udata *udata)
int hns_roce_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
struct ib_udata *udata)
{
struct ib_device *ib_dev = ibpd->device;
struct hns_roce_dev *hr_dev = to_hr_dev(ib_dev);
struct device *dev = hr_dev->dev;
struct hns_roce_pd *pd;
struct hns_roce_pd *pd = to_hr_pd(ibpd);
int ret;
pd = kzalloc(sizeof(*pd), GFP_KERNEL);
if (!pd)
return ERR_PTR(-ENOMEM);
ret = hns_roce_pd_alloc(to_hr_dev(ib_dev), &pd->pdn);
if (ret) {
kfree(pd);
dev_err(dev, "[alloc_pd]hns_roce_pd_alloc failed!\n");
return ERR_PTR(ret);
return ret;
}
if (context) {
@ -83,21 +78,17 @@ struct ib_pd *hns_roce_alloc_pd(struct ib_device *ib_dev,
if (ib_copy_to_udata(udata, &uresp, sizeof(uresp))) {
hns_roce_pd_free(to_hr_dev(ib_dev), pd->pdn);
dev_err(dev, "[alloc_pd]ib_copy_to_udata failed!\n");
kfree(pd);
return ERR_PTR(-EFAULT);
return -EFAULT;
}
}
return &pd->ibpd;
return 0;
}
EXPORT_SYMBOL_GPL(hns_roce_alloc_pd);
int hns_roce_dealloc_pd(struct ib_pd *pd)
void hns_roce_dealloc_pd(struct ib_pd *pd)
{
hns_roce_pd_free(to_hr_dev(pd->device), to_hr_pd(pd)->pdn);
kfree(to_hr_pd(pd));
return 0;
}
EXPORT_SYMBOL_GPL(hns_roce_dealloc_pd);

1
drivers/infiniband/hw/i40iw/i40iw_utils.c
View File

@ -601,7 +601,6 @@ void i40iw_rem_pdusecount(struct i40iw_pd *iwpd, struct i40iw_device *iwdev)
if (!atomic_dec_and_test(&iwpd->usecount))
return;
i40iw_free_resource(iwdev, iwdev->allocated_pds, iwpd->sc_pd.pd_id);
kfree(iwpd);
}
/**

32
drivers/infiniband/hw/i40iw/i40iw_verbs.c
View File

@ -312,16 +312,15 @@ static void i40iw_dealloc_push_page(struct i40iw_device *iwdev, struct i40iw_sc_
/**
* i40iw_alloc_pd - allocate protection domain
* @ibdev: device pointer from stack
* @pd: PD pointer
* @context: user context created during alloc
* @udata: user data
*/
static struct ib_pd *i40iw_alloc_pd(struct ib_device *ibdev,
struct ib_ucontext *context,
struct ib_udata *udata)
static int i40iw_alloc_pd(struct ib_pd *pd, struct ib_ucontext *context,
struct ib_udata *udata)
{
struct i40iw_pd *iwpd;
struct i40iw_device *iwdev = to_iwdev(ibdev);
struct i40iw_pd *iwpd = to_iwpd(pd);
struct i40iw_device *iwdev = to_iwdev(pd->device);
struct i40iw_sc_dev *dev = &iwdev->sc_dev;
struct i40iw_alloc_pd_resp uresp;
struct i40iw_sc_pd *sc_pd;
@ -330,19 +329,13 @@ static struct ib_pd *i40iw_alloc_pd(struct ib_device *ibdev,
int err;
if (iwdev->closing)
return ERR_PTR(-ENODEV);
return -ENODEV;
err = i40iw_alloc_resource(iwdev, iwdev->allocated_pds,
iwdev->max_pd, &pd_id, &iwdev->next_pd);
if (err) {
i40iw_pr_err("alloc resource failed\n");
return ERR_PTR(err);
}
iwpd = kzalloc(sizeof(*iwpd), GFP_KERNEL);
if (!iwpd) {
err = -ENOMEM;
goto free_res;
return err;
}
sc_pd = &iwpd->sc_pd;
@ -361,25 +354,23 @@ static struct ib_pd *i40iw_alloc_pd(struct ib_device *ibdev,
}
i40iw_add_pdusecount(iwpd);
return &iwpd->ibpd;
return 0;
error:
kfree(iwpd);
free_res:
i40iw_free_resource(iwdev, iwdev->allocated_pds, pd_id);
return ERR_PTR(err);
return err;
}
/**
* i40iw_dealloc_pd - deallocate pd
* @ibpd: ptr of pd to be deallocated
*/
static int i40iw_dealloc_pd(struct ib_pd *ibpd)
static void i40iw_dealloc_pd(struct ib_pd *ibpd)
{
struct i40iw_pd *iwpd = to_iwpd(ibpd);
struct i40iw_device *iwdev = to_iwdev(ibpd->device);
i40iw_rem_pdusecount(iwpd, iwdev);
return 0;
}
/**
@ -2750,6 +2741,7 @@ static const struct ib_device_ops i40iw_dev_ops = {
.query_qp = i40iw_query_qp,
.reg_user_mr = i40iw_reg_user_mr,
.req_notify_cq = i40iw_req_notify_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, i40iw_pd, ibpd),
};
/**

36
drivers/infiniband/hw/mlx4/main.c
View File

@ -1186,38 +1186,27 @@ static int mlx4_ib_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
}
}
static struct ib_pd *mlx4_ib_alloc_pd(struct ib_device *ibdev,
struct ib_ucontext *context,
struct ib_udata *udata)
static int mlx4_ib_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
struct ib_udata *udata)
{
struct mlx4_ib_pd *pd;
struct mlx4_ib_pd *pd = to_mpd(ibpd);
struct ib_device *ibdev = ibpd->device;
int err;
pd = kzalloc(sizeof(*pd), GFP_KERNEL);
if (!pd)
return ERR_PTR(-ENOMEM);
err = mlx4_pd_alloc(to_mdev(ibdev)->dev, &pd->pdn);
if (err) {
kfree(pd);
return ERR_PTR(err);
}
if (err)
return err;
if (context)
if (ib_copy_to_udata(udata, &pd->pdn, sizeof (__u32))) {
mlx4_pd_free(to_mdev(ibdev)->dev, pd->pdn);
kfree(pd);
return ERR_PTR(-EFAULT);
}
return &pd->ibpd;
if (context && ib_copy_to_udata(udata, &pd->pdn, sizeof(__u32))) {
mlx4_pd_free(to_mdev(ibdev)->dev, pd->pdn);
return -EFAULT;
}
return 0;
}
static int mlx4_ib_dealloc_pd(struct ib_pd *pd)
static void mlx4_ib_dealloc_pd(struct ib_pd *pd)
{
mlx4_pd_free(to_mdev(pd->device)->dev, to_mpd(pd)->pdn);
kfree(pd);
return 0;
}
static struct ib_xrcd *mlx4_ib_alloc_xrcd(struct ib_device *ibdev,
@ -2580,6 +2569,7 @@ static const struct ib_device_ops mlx4_ib_dev_ops = {
.req_notify_cq = mlx4_ib_arm_cq,
.rereg_user_mr = mlx4_ib_rereg_user_mr,
.resize_cq = mlx4_ib_resize_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, mlx4_ib_pd, ibpd),
};
static const struct ib_device_ops mlx4_ib_dev_wq_ops = {

48
drivers/infiniband/hw/mlx5/main.c
View File

@ -2280,30 +2280,24 @@ int mlx5_ib_dealloc_dm(struct ib_dm *ibdm)
return 0;
}
static struct ib_pd *mlx5_ib_alloc_pd(struct ib_device *ibdev,
struct ib_ucontext *context,
struct ib_udata *udata)
static int mlx5_ib_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
struct ib_udata *udata)
{
struct mlx5_ib_pd *pd = to_mpd(ibpd);
struct ib_device *ibdev = ibpd->device;
struct mlx5_ib_alloc_pd_resp resp;
struct mlx5_ib_pd *pd;
int err;
u32 out[MLX5_ST_SZ_DW(alloc_pd_out)] = {};
u32 in[MLX5_ST_SZ_DW(alloc_pd_in)] = {};
u16 uid = 0;
pd = kzalloc(sizeof(*pd), GFP_KERNEL);
if (!pd)
return ERR_PTR(-ENOMEM);
uid = context ? to_mucontext(context)->devx_uid : 0;
MLX5_SET(alloc_pd_in, in, opcode, MLX5_CMD_OP_ALLOC_PD);
MLX5_SET(alloc_pd_in, in, uid, uid);
err = mlx5_cmd_exec(to_mdev(ibdev)->mdev, in, sizeof(in),
out, sizeof(out));
if (err) {
kfree(pd);
return ERR_PTR(err);
}
if (err)
return err;
pd->pdn = MLX5_GET(alloc_pd_out, out, pd);
pd->uid = uid;
@ -2311,23 +2305,19 @@ static struct ib_pd *mlx5_ib_alloc_pd(struct ib_device *ibdev,
resp.pdn = pd->pdn;
if (ib_copy_to_udata(udata, &resp, sizeof(resp))) {
mlx5_cmd_dealloc_pd(to_mdev(ibdev)->mdev, pd->pdn, uid);
kfree(pd);
return ERR_PTR(-EFAULT);
return -EFAULT;
}
}
return &pd->ibpd;
return 0;
}
static int mlx5_ib_dealloc_pd(struct ib_pd *pd)
static void mlx5_ib_dealloc_pd(struct ib_pd *pd)
{
struct mlx5_ib_dev *mdev = to_mdev(pd->device);
struct mlx5_ib_pd *mpd = to_mpd(pd);
mlx5_cmd_dealloc_pd(mdev->mdev, mpd->pdn, mpd->uid);
kfree(mpd);
return 0;
}
enum {
@ -4680,23 +4670,28 @@ static int create_dev_resources(struct mlx5_ib_resources *devr)
{
struct ib_srq_init_attr attr;
struct mlx5_ib_dev *dev;
struct ib_device *ibdev;
struct ib_cq_init_attr cq_attr = {.cqe = 1};
int port;
int ret = 0;
dev = container_of(devr, struct mlx5_ib_dev, devr);
ibdev = &dev->ib_dev;
mutex_init(&devr->mutex);
devr->p0 = mlx5_ib_alloc_pd(&dev->ib_dev, NULL, NULL);
if (IS_ERR(devr->p0)) {
ret = PTR_ERR(devr->p0);
goto error0;
}
devr->p0->device = &dev->ib_dev;
devr->p0 = rdma_zalloc_drv_obj(ibdev, ib_pd);
if (!devr->p0)
return -ENOMEM;
devr->p0->device = ibdev;
devr->p0->uobject = NULL;
atomic_set(&devr->p0->usecnt, 0);
ret = mlx5_ib_alloc_pd(devr->p0, NULL, NULL);
if (ret)
goto error0;
devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, &cq_attr, NULL, NULL);
if (IS_ERR(devr->c0)) {
ret = PTR_ERR(devr->c0);
@ -4794,6 +4789,7 @@ error2:
error1:
mlx5_ib_dealloc_pd(devr->p0);
error0:
kfree(devr->p0);
return ret;
}
@ -4809,6 +4805,7 @@ static void destroy_dev_resources(struct mlx5_ib_resources *devr)
mlx5_ib_dealloc_xrcd(devr->x1);
mlx5_ib_destroy_cq(devr->c0);
mlx5_ib_dealloc_pd(devr->p0);
kfree(devr->p0);
/* Make sure no change P_Key work items are still executing */
for (port = 0; port < dev->num_ports; ++port)
@ -5938,6 +5935,7 @@ static const struct ib_device_ops mlx5_ib_dev_ops = {
.req_notify_cq = mlx5_ib_arm_cq,
.rereg_user_mr = mlx5_ib_rereg_user_mr,
.resize_cq = mlx5_ib_resize_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, mlx5_ib_pd, ibpd),
};
static const struct ib_device_ops mlx5_ib_dev_flow_ipsec_ops = {

29
drivers/infiniband/hw/mthca/mthca_provider.c
View File

@ -374,40 +374,30 @@ static int mthca_mmap_uar(struct ib_ucontext *context,
return 0;
}
static struct ib_pd *mthca_alloc_pd(struct ib_device *ibdev,
struct ib_ucontext *context,
struct ib_udata *udata)
static int mthca_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
struct ib_udata *udata)
{
struct mthca_pd *pd;
struct ib_device *ibdev = ibpd->device;
struct mthca_pd *pd = to_mpd(ibpd);
int err;
pd = kzalloc(sizeof(*pd), GFP_KERNEL);
if (!pd)
return ERR_PTR(-ENOMEM);
err = mthca_pd_alloc(to_mdev(ibdev), !context, pd);
if (err) {
kfree(pd);
return ERR_PTR(err);
}
if (err)
return err;
if (context) {
if (ib_copy_to_udata(udata, &pd->pd_num, sizeof (__u32))) {
mthca_pd_free(to_mdev(ibdev), pd);
kfree(pd);
return ERR_PTR(-EFAULT);
return -EFAULT;
}
}
return &pd->ibpd;
return 0;
}
static int mthca_dealloc_pd(struct ib_pd *pd)
static void mthca_dealloc_pd(struct ib_pd *pd)
{
mthca_pd_free(to_mdev(pd->device), to_mpd(pd));
kfree(pd);
return 0;
}
static struct ib_ah *mthca_ah_create(struct ib_pd *pd,
@ -1228,6 +1218,7 @@ static const struct ib_device_ops mthca_dev_ops = {
.query_qp = mthca_query_qp,
.reg_user_mr = mthca_reg_user_mr,
.resize_cq = mthca_resize_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, mthca_pd, ibpd),
};
static const struct ib_device_ops mthca_dev_arbel_srq_ops = {

32
drivers/infiniband/hw/nes/nes_verbs.c
View File

@ -658,10 +658,11 @@ static int nes_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
/**
* nes_alloc_pd
*/
static struct ib_pd *nes_alloc_pd(struct ib_device *ibdev,
struct ib_ucontext *context, struct ib_udata *udata)
static int nes_alloc_pd(struct ib_pd *pd, struct ib_ucontext *context,
struct ib_udata *udata)
{
struct nes_pd *nespd;
struct ib_device *ibdev = pd->device;
struct nes_pd *nespd = to_nespd(pd);
struct nes_vnic *nesvnic = to_nesvnic(ibdev);
struct nes_device *nesdev = nesvnic->nesdev;
struct nes_adapter *nesadapter = nesdev->nesadapter;
@ -676,15 +677,8 @@ static struct ib_pd *nes_alloc_pd(struct ib_device *ibdev,
err = nes_alloc_resource(nesadapter, nesadapter->allocated_pds,
nesadapter->max_pd, &pd_num, &nesadapter->next_pd, NES_RESOURCE_PD);
if (err) {
return ERR_PTR(err);
}
nespd = kzalloc(sizeof (struct nes_pd), GFP_KERNEL);
if (!nespd) {
nes_free_resource(nesadapter, nesadapter->allocated_pds, pd_num);
return ERR_PTR(-ENOMEM);
}
if (err)
return err;
nes_debug(NES_DBG_PD, "Allocating PD (%p) for ib device %s\n",
nespd, dev_name(&nesvnic->nesibdev->ibdev.dev));
@ -700,16 +694,14 @@ static struct ib_pd *nes_alloc_pd(struct ib_device *ibdev,
if (nespd->mmap_db_index >= NES_MAX_USER_DB_REGIONS) {
nes_debug(NES_DBG_PD, "mmap_db_index > MAX\n");
nes_free_resource(nesadapter, nesadapter->allocated_pds, pd_num);
kfree(nespd);
return ERR_PTR(-ENOMEM);
return -ENOMEM;
}
uresp.pd_id = nespd->pd_id;
uresp.mmap_db_index = nespd->mmap_db_index;
if (ib_copy_to_udata(udata, &uresp, sizeof (struct nes_alloc_pd_resp))) {
nes_free_resource(nesadapter, nesadapter->allocated_pds, pd_num);
kfree(nespd);
return ERR_PTR(-EFAULT);
return -EFAULT;
}
set_bit(nespd->mmap_db_index, nesucontext->allocated_doorbells);
@ -718,14 +710,14 @@ static struct ib_pd *nes_alloc_pd(struct ib_device *ibdev,
}
nes_debug(NES_DBG_PD, "PD%u structure located @%p.\n", nespd->pd_id, nespd);
return &nespd->ibpd;
return 0;
}
/**
* nes_dealloc_pd
*/
static int nes_dealloc_pd(struct ib_pd *ibpd)
static void nes_dealloc_pd(struct ib_pd *ibpd)
{
struct nes_ucontext *nesucontext;
struct nes_pd *nespd = to_nespd(ibpd);
@ -748,9 +740,6 @@ static int nes_dealloc_pd(struct ib_pd *ibpd)
nespd->pd_id, nespd);
nes_free_resource(nesadapter, nesadapter->allocated_pds,
(nespd->pd_id-nesadapter->base_pd)>>(PAGE_SHIFT-12));
kfree(nespd);
return 0;
}
@ -3658,6 +3647,7 @@ static const struct ib_device_ops nes_dev_ops = {
.query_qp = nes_query_qp,
.reg_user_mr = nes_reg_user_mr,
.req_notify_cq = nes_req_notify_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, nes_pd, ibpd),
};
/**

1
drivers/infiniband/hw/ocrdma/ocrdma_main.c
View File

@ -179,6 +179,7 @@ static const struct ib_device_ops ocrdma_dev_ops = {
.reg_user_mr = ocrdma_reg_user_mr,
.req_notify_cq = ocrdma_arm_cq,
.resize_cq = ocrdma_resize_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, ocrdma_pd, ibpd),
};
static const struct ib_device_ops ocrdma_dev_srq_ops = {

92
drivers/infiniband/hw/ocrdma/ocrdma_verbs.c
View File

@ -367,17 +367,12 @@ static int ocrdma_get_pd_num(struct ocrdma_dev *dev, struct ocrdma_pd *pd)
return status;
}
static struct ocrdma_pd *_ocrdma_alloc_pd(struct ocrdma_dev *dev,
struct ocrdma_ucontext *uctx,
struct ib_udata *udata)
static int _ocrdma_alloc_pd(struct ocrdma_dev *dev, struct ocrdma_pd *pd,
struct ocrdma_ucontext *uctx,
struct ib_udata *udata)
{
struct ocrdma_pd *pd = NULL;
int status;
pd = kzalloc(sizeof(*pd), GFP_KERNEL);
if (!pd)
return ERR_PTR(-ENOMEM);
if (udata && uctx && dev->attr.max_dpp_pds) {
pd->dpp_enabled =
ocrdma_get_asic_type(dev) == OCRDMA_ASIC_GEN_SKH_R;
@ -386,15 +381,8 @@ static struct ocrdma_pd *_ocrdma_alloc_pd(struct ocrdma_dev *dev,
dev->attr.wqe_size) : 0;
}
if (dev->pd_mgr->pd_prealloc_valid) {
status = ocrdma_get_pd_num(dev, pd);
if (status == 0) {
return pd;
} else {
kfree(pd);
return ERR_PTR(status);
}
}
if (dev->pd_mgr->pd_prealloc_valid)
return ocrdma_get_pd_num(dev, pd);
retry:
status = ocrdma_mbx_alloc_pd(dev, pd);
@ -403,13 +391,11 @@ retry:
pd->dpp_enabled = false;
pd->num_dpp_qp = 0;
goto retry;
} else {
kfree(pd);
return ERR_PTR(status);
}
return status;
}
return pd;
return 0;
}
static inline int is_ucontext_pd(struct ocrdma_ucontext *uctx,
@ -418,30 +404,33 @@ static inline int is_ucontext_pd(struct ocrdma_ucontext *uctx,
return (uctx->cntxt_pd == pd);
}
static int _ocrdma_dealloc_pd(struct ocrdma_dev *dev,
static void _ocrdma_dealloc_pd(struct ocrdma_dev *dev,
struct ocrdma_pd *pd)
{
int status;
if (dev->pd_mgr->pd_prealloc_valid)
status = ocrdma_put_pd_num(dev, pd->id, pd->dpp_enabled);
ocrdma_put_pd_num(dev, pd->id, pd->dpp_enabled);
else
status = ocrdma_mbx_dealloc_pd(dev, pd);
kfree(pd);
return status;
ocrdma_mbx_dealloc_pd(dev, pd);
}
static int ocrdma_alloc_ucontext_pd(struct ocrdma_dev *dev,
struct ocrdma_ucontext *uctx,
struct ib_udata *udata)
{
int status = 0;
struct ib_device *ibdev = &dev->ibdev;
struct ib_pd *pd;
int status;
uctx->cntxt_pd = _ocrdma_alloc_pd(dev, uctx, udata);
if (IS_ERR(uctx->cntxt_pd)) {
status = PTR_ERR(uctx->cntxt_pd);
uctx->cntxt_pd = NULL;
pd = rdma_zalloc_drv_obj(ibdev, ib_pd);
if (!pd)
return -ENOMEM;
pd->device = ibdev;
uctx->cntxt_pd = get_ocrdma_pd(pd);
status = _ocrdma_alloc_pd(dev, uctx->cntxt_pd, uctx, udata);
if (status) {
kfree(uctx->cntxt_pd);
goto err;
}
@ -460,6 +449,7 @@ static int ocrdma_dealloc_ucontext_pd(struct ocrdma_ucontext *uctx)
pr_err("%s(%d) Freeing in use pdid=0x%x.\n",
__func__, dev->id, pd->id);
}
kfree(uctx->cntxt_pd);
uctx->cntxt_pd = NULL;
(void)_ocrdma_dealloc_pd(dev, pd);
return 0;
@ -537,6 +527,7 @@ struct ib_ucontext *ocrdma_alloc_ucontext(struct ib_device *ibdev,
return &ctx->ibucontext;
cpy_err:
ocrdma_dealloc_ucontext_pd(ctx);
pd_err:
ocrdma_del_mmap(ctx, ctx->ah_tbl.pa, ctx->ah_tbl.len);
map_err:
@ -658,10 +649,10 @@ dpp_map_err:
return status;
}
struct ib_pd *ocrdma_alloc_pd(struct ib_device *ibdev,
struct ib_ucontext *context,
struct ib_udata *udata)
int ocrdma_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
struct ib_udata *udata)
{
struct ib_device *ibdev = ibpd->device;
struct ocrdma_dev *dev = get_ocrdma_dev(ibdev);
struct ocrdma_pd *pd;
struct ocrdma_ucontext *uctx = NULL;
@ -677,11 +668,10 @@ struct ib_pd *ocrdma_alloc_pd(struct ib_device *ibdev,
}
}
pd = _ocrdma_alloc_pd(dev, uctx, udata);
if (IS_ERR(pd)) {
status = PTR_ERR(pd);
pd = get_ocrdma_pd(ibpd);
status = _ocrdma_alloc_pd(dev, pd, uctx, udata);
if (status)
goto exit;
}
pd_mapping:
if (udata && context) {
@ -689,25 +679,22 @@ pd_mapping:
if (status)
goto err;
}
return &pd->ibpd;
return 0;
err:
if (is_uctx_pd) {
if (is_uctx_pd)
ocrdma_release_ucontext_pd(uctx);
} else {
if (_ocrdma_dealloc_pd(dev, pd))
pr_err("%s: _ocrdma_dealloc_pd() failed\n", __func__);
}
else
_ocrdma_dealloc_pd(dev, pd);
exit:
return ERR_PTR(status);
return status;
}
int ocrdma_dealloc_pd(struct ib_pd *ibpd)
void ocrdma_dealloc_pd(struct ib_pd *ibpd)
{
struct ocrdma_pd *pd = get_ocrdma_pd(ibpd);
struct ocrdma_dev *dev = get_ocrdma_dev(ibpd->device);
struct ocrdma_ucontext *uctx = NULL;
int status = 0;
u64 usr_db;
uctx = pd->uctx;
@ -721,11 +708,10 @@ int ocrdma_dealloc_pd(struct ib_pd *ibpd)
if (is_ucontext_pd(uctx, pd)) {
ocrdma_release_ucontext_pd(uctx);
return status;
return;
}
}
status = _ocrdma_dealloc_pd(dev, pd);
return status;
_ocrdma_dealloc_pd(dev, pd);
}
static int ocrdma_alloc_lkey(struct ocrdma_dev *dev, struct ocrdma_mr *mr,

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

@ -70,9 +70,9 @@ int ocrdma_dealloc_ucontext(struct ib_ucontext *);
int ocrdma_mmap(struct ib_ucontext *, struct vm_area_struct *vma);
struct ib_pd *ocrdma_alloc_pd(struct ib_device *,
struct ib_ucontext *, struct ib_udata *);
int ocrdma_dealloc_pd(struct ib_pd *pd);
int ocrdma_alloc_pd(struct ib_pd *pd, struct ib_ucontext *uctx,
struct ib_udata *udata);
void ocrdma_dealloc_pd(struct ib_pd *pd);
struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,

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

@ -239,6 +239,7 @@ static const struct ib_device_ops qedr_dev_ops = {
.reg_user_mr = qedr_reg_user_mr,
.req_notify_cq = qedr_arm_cq,
.resize_cq = qedr_resize_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, qedr_pd, ibpd),
};
static int qedr_register_device(struct qedr_dev *dev)

34
drivers/infiniband/hw/qedr/verbs.c
View File

@ -450,11 +450,12 @@ int qedr_mmap(struct ib_ucontext *context, struct vm_area_struct *vma)
vma->vm_page_prot);
}
struct ib_pd *qedr_alloc_pd(struct ib_device *ibdev,
struct ib_ucontext *context, struct ib_udata *udata)
int qedr_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
struct ib_udata *udata)
{
struct ib_device *ibdev = ibpd->device;
struct qedr_dev *dev = get_qedr_dev(ibdev);
struct qedr_pd *pd;
struct qedr_pd *pd = get_qedr_pd(ibpd);
u16 pd_id;
int rc;
@ -463,16 +464,12 @@ struct ib_pd *qedr_alloc_pd(struct ib_device *ibdev,
if (!dev->rdma_ctx) {
DP_ERR(dev, "invalid RDMA context\n");
return ERR_PTR(-EINVAL);
return -EINVAL;
}
pd = kzalloc(sizeof(*pd), GFP_KERNEL);
if (!pd)
return ERR_PTR(-ENOMEM);
rc = dev->ops->rdma_alloc_pd(dev->rdma_ctx, &pd_id);
if (rc)
goto err;
return rc;
pd->pd_id = pd_id;
@ -485,36 +482,23 @@ struct ib_pd *qedr_alloc_pd(struct ib_device *ibdev,
if (rc) {
DP_ERR(dev, "copy error pd_id=0x%x.\n", pd_id);
dev->ops->rdma_dealloc_pd(dev->rdma_ctx, pd_id);
goto err;
return rc;
}
pd->uctx = get_qedr_ucontext(context);
pd->uctx->pd = pd;
}
return &pd->ibpd;
err:
kfree(pd);
return ERR_PTR(rc);
return 0;
}
int qedr_dealloc_pd(struct ib_pd *ibpd)
void qedr_dealloc_pd(struct ib_pd *ibpd)
{
struct qedr_dev *dev = get_qedr_dev(ibpd->device);
struct qedr_pd *pd = get_qedr_pd(ibpd);
if (!pd) {
pr_err("Invalid PD received in dealloc_pd\n");
return -EINVAL;
}
DP_DEBUG(dev, QEDR_MSG_INIT, "Deallocating PD %d\n", pd->pd_id);
dev->ops->rdma_dealloc_pd(dev->rdma_ctx, pd->pd_id);
kfree(pd);
return 0;
}
static void qedr_free_pbl(struct qedr_dev *dev,

6
drivers/infiniband/hw/qedr/verbs.h
View File

@ -47,9 +47,9 @@ struct ib_ucontext *qedr_alloc_ucontext(struct ib_device *, struct ib_udata *);
int qedr_dealloc_ucontext(struct ib_ucontext *);
int qedr_mmap(struct ib_ucontext *, struct vm_area_struct *vma);
struct ib_pd *qedr_alloc_pd(struct ib_device *,
struct ib_ucontext *, struct ib_udata *);
int qedr_dealloc_pd(struct ib_pd *pd);
int qedr_alloc_pd(struct ib_pd *pd, struct ib_ucontext *uctx,
struct ib_udata *udata);
void qedr_dealloc_pd(struct ib_pd *pd);
struct ib_cq *qedr_create_cq(struct ib_device *ibdev,
const struct ib_cq_init_attr *attr,

1
drivers/infiniband/hw/usnic/usnic_ib_main.c
View File

@ -352,6 +352,7 @@ static const struct ib_device_ops usnic_dev_ops = {
.query_port = usnic_ib_query_port,
.query_qp = usnic_ib_query_qp,
.reg_user_mr = usnic_ib_reg_mr,
INIT_RDMA_OBJ_SIZE(ib_pd, usnic_ib_pd, ibpd),
};
/* Start of PF discovery section */

26
drivers/infiniband/hw/usnic/usnic_ib_verbs.c
View File

@ -456,37 +456,23 @@ int usnic_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
return 0;
}
struct ib_pd *usnic_ib_alloc_pd(struct ib_device *ibdev,
struct ib_ucontext *context,
struct ib_udata *udata)
int usnic_ib_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
struct ib_udata *udata)
{
struct usnic_ib_pd *pd;
struct usnic_ib_pd *pd = to_upd(ibpd);
void *umem_pd;
usnic_dbg("\n");
pd = kzalloc(sizeof(*pd), GFP_KERNEL);
if (!pd)
return ERR_PTR(-ENOMEM);
umem_pd = pd->umem_pd = usnic_uiom_alloc_pd();
if (IS_ERR_OR_NULL(umem_pd)) {
kfree(pd);
return ERR_PTR(umem_pd ? PTR_ERR(umem_pd) : -ENOMEM);
return umem_pd ? PTR_ERR(umem_pd) : -ENOMEM;
}
usnic_info("domain 0x%p allocated for context 0x%p and device %s\n",
pd, context, dev_name(&ibdev->dev));
return &pd->ibpd;
return 0;
}
int usnic_ib_dealloc_pd(struct ib_pd *pd)
void usnic_ib_dealloc_pd(struct ib_pd *pd)
{
usnic_info("freeing domain 0x%p\n", pd);
usnic_uiom_dealloc_pd((to_upd(pd))->umem_pd);
kfree(pd);
return 0;
}
struct ib_qp *usnic_ib_create_qp(struct ib_pd *pd,

7
drivers/infiniband/hw/usnic/usnic_ib_verbs.h
View File

@ -51,10 +51,9 @@ int usnic_ib_query_gid(struct ib_device *ibdev, u8 port, int index,
struct net_device *usnic_get_netdev(struct ib_device *device, u8 port_num);
int usnic_ib_query_pkey(struct ib_device *ibdev, u8 port, u16 index,
u16 *pkey);
struct ib_pd *usnic_ib_alloc_pd(struct ib_device *ibdev,
struct ib_ucontext *context,
struct ib_udata *udata);
int usnic_ib_dealloc_pd(struct ib_pd *pd);
int usnic_ib_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
struct ib_udata *udata);
void usnic_ib_dealloc_pd(struct ib_pd *pd);
struct ib_qp *usnic_ib_create_qp(struct ib_pd *pd,
struct ib_qp_init_attr *init_attr,
struct ib_udata *udata);

1
drivers/infiniband/hw/vmw_pvrdma/pvrdma_main.c
View File

@ -195,6 +195,7 @@ static const struct ib_device_ops pvrdma_dev_ops = {
.query_qp = pvrdma_query_qp,
.reg_user_mr = pvrdma_reg_user_mr,
.req_notify_cq = pvrdma_req_notify_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, pvrdma_pd, ibpd),
};
static const struct ib_device_ops pvrdma_dev_srq_ops = {

43
drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.c
View File

@ -438,37 +438,29 @@ int pvrdma_mmap(struct ib_ucontext *ibcontext, struct vm_area_struct *vma)
/**
* pvrdma_alloc_pd - allocate protection domain
* @ibdev: the IB device
* @ibpd: PD pointer
* @context: user context
* @udata: user data
*
* @return: the ib_pd protection domain pointer on success, otherwise errno.
*/
struct ib_pd *pvrdma_alloc_pd(struct ib_device *ibdev,
struct ib_ucontext *context,
struct ib_udata *udata)
int pvrdma_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
struct ib_udata *udata)
{
struct pvrdma_pd *pd;
struct ib_device *ibdev = ibpd->device;
struct pvrdma_pd *pd = to_vpd(ibpd);
struct pvrdma_dev *dev = to_vdev(ibdev);
union pvrdma_cmd_req req;
union pvrdma_cmd_resp rsp;
union pvrdma_cmd_req req = {};
union pvrdma_cmd_resp rsp = {};
struct pvrdma_cmd_create_pd *cmd = &req.create_pd;
struct pvrdma_cmd_create_pd_resp *resp = &rsp.create_pd_resp;
struct pvrdma_alloc_pd_resp pd_resp = {0};
int ret;
void *ptr;
/* Check allowed max pds */
if (!atomic_add_unless(&dev->num_pds, 1, dev->dsr->caps.max_pd))
return ERR_PTR(-ENOMEM);
return -ENOMEM;
pd = kzalloc(sizeof(*pd), GFP_KERNEL);
if (!pd) {
ptr = ERR_PTR(-ENOMEM);
goto err;
}
memset(cmd, 0, sizeof(*cmd));
cmd->hdr.cmd = PVRDMA_CMD_CREATE_PD;
cmd->ctx_handle = (context) ? to_vucontext(context)->ctx_handle : 0;
ret = pvrdma_cmd_post(dev, &req, &rsp, PVRDMA_CMD_CREATE_PD_RESP);
@ -476,8 +468,7 @@ struct ib_pd *pvrdma_alloc_pd(struct ib_device *ibdev,
dev_warn(&dev->pdev->dev,
"failed to allocate protection domain, error: %d\n",
ret);
ptr = ERR_PTR(ret);
goto freepd;
goto err;
}
pd->privileged = !context;
@ -490,18 +481,16 @@ struct ib_pd *pvrdma_alloc_pd(struct ib_device *ibdev,
dev_warn(&dev->pdev->dev,
"failed to copy back protection domain\n");
pvrdma_dealloc_pd(&pd->ibpd);
return ERR_PTR(-EFAULT);
return -EFAULT;
}
}
/* u32 pd handle */
return &pd->ibpd;
return 0;
freepd:
kfree(pd);
err:
atomic_dec(&dev->num_pds);
return ptr;
return ret;
}
/**
@ -510,14 +499,13 @@ err:
*
* @return: 0 on success, otherwise errno.
*/
int pvrdma_dealloc_pd(struct ib_pd *pd)
void pvrdma_dealloc_pd(struct ib_pd *pd)
{
struct pvrdma_dev *dev = to_vdev(pd->device);
union pvrdma_cmd_req req;
union pvrdma_cmd_req req = {};
struct pvrdma_cmd_destroy_pd *cmd = &req.destroy_pd;
int ret;
memset(cmd, 0, sizeof(*cmd));
cmd->hdr.cmd = PVRDMA_CMD_DESTROY_PD;
cmd->pd_handle = to_vpd(pd)->pd_handle;
@ -527,10 +515,7 @@ int pvrdma_dealloc_pd(struct ib_pd *pd)
"could not dealloc protection domain, error: %d\n",
ret);
kfree(to_vpd(pd));
atomic_dec(&dev->num_pds);
return 0;
}
/**

7
drivers/infiniband/hw/vmw_pvrdma/pvrdma_verbs.h
View File

@ -399,10 +399,9 @@ int pvrdma_mmap(struct ib_ucontext *context, struct vm_area_struct *vma);
struct ib_ucontext *pvrdma_alloc_ucontext(struct ib_device *ibdev,
struct ib_udata *udata);
int pvrdma_dealloc_ucontext(struct ib_ucontext *context);
struct ib_pd *pvrdma_alloc_pd(struct ib_device *ibdev,
struct ib_ucontext *context,
struct ib_udata *udata);
int pvrdma_dealloc_pd(struct ib_pd *ibpd);
int pvrdma_alloc_pd(struct ib_pd *pd, struct ib_ucontext *context,
struct ib_udata *udata);
void pvrdma_dealloc_pd(struct ib_pd *ibpd);
struct ib_mr *pvrdma_get_dma_mr(struct ib_pd *pd, int acc);
struct ib_mr *pvrdma_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
u64 virt_addr, int access_flags,

29
drivers/infiniband/sw/rdmavt/pd.c
View File

@ -50,7 +50,7 @@
/**
* rvt_alloc_pd - allocate a protection domain
* @ibdev: ib device
* @ibpd: PD
* @context: optional user context
* @udata: optional user data
*
@ -58,19 +58,14 @@
*
* Return: 0 on success
*/
struct ib_pd *rvt_alloc_pd(struct ib_device *ibdev,
struct ib_ucontext *context,
struct ib_udata *udata)
int rvt_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
struct ib_udata *udata)
{
struct ib_device *ibdev = ibpd->device;
struct rvt_dev_info *dev = ib_to_rvt(ibdev);
struct rvt_pd *pd;
struct ib_pd *ret;
struct rvt_pd *pd = ibpd_to_rvtpd(ibpd);
int ret = 0;
pd = kzalloc(sizeof(*pd), GFP_KERNEL);
if (!pd) {
ret = ERR_PTR(-ENOMEM);
goto bail;
}
/*
* While we could continue allocating protecetion domains, being
* constrained only by system resources. The IBTA spec defines that
@ -81,8 +76,7 @@ struct ib_pd *rvt_alloc_pd(struct ib_device *ibdev,
spin_lock(&dev->n_pds_lock);
if (dev->n_pds_allocated == dev->dparms.props.max_pd) {
spin_unlock(&dev->n_pds_lock);
kfree(pd);
ret = ERR_PTR(-ENOMEM);
ret = -ENOMEM;
goto bail;
}
@ -92,8 +86,6 @@ struct ib_pd *rvt_alloc_pd(struct ib_device *ibdev,
/* ib_alloc_pd() will initialize pd->ibpd. */
pd->user = !!udata;
ret = &pd->ibpd;
bail:
return ret;
}
@ -104,16 +96,11 @@ bail:
*
* Return: always 0
*/
int rvt_dealloc_pd(struct ib_pd *ibpd)
void rvt_dealloc_pd(struct ib_pd *ibpd)
{
struct rvt_pd *pd = ibpd_to_rvtpd(ibpd);
struct rvt_dev_info *dev = ib_to_rvt(ibpd->device);
spin_lock(&dev->n_pds_lock);
dev->n_pds_allocated--;
spin_unlock(&dev->n_pds_lock);
kfree(pd);
return 0;
}

7
drivers/infiniband/sw/rdmavt/pd.h
View File

@ -50,9 +50,8 @@
#include <rdma/rdma_vt.h>
struct ib_pd *rvt_alloc_pd(struct ib_device *ibdev,
struct ib_ucontext *context,
struct ib_udata *udata);
int rvt_dealloc_pd(struct ib_pd *ibpd);
int rvt_alloc_pd(struct ib_pd *pd, struct ib_ucontext *context,
struct ib_udata *udata);
void rvt_dealloc_pd(struct ib_pd *ibpd);
#endif /* DEF_RDMAVTPD_H */

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

@ -436,6 +436,7 @@ static const struct ib_device_ops rvt_dev_ops = {
.req_notify_cq = rvt_req_notify_cq,
.resize_cq = rvt_resize_cq,
.unmap_fmr = rvt_unmap_fmr,
INIT_RDMA_OBJ_SIZE(ib_pd, rvt_pd, ibpd),
};
static noinline int check_support(struct rvt_dev_info *rdi, int verb)

60
drivers/infiniband/sw/rxe/rxe_pool.c
View File

@ -46,6 +46,7 @@ struct rxe_type_info rxe_type_info[RXE_NUM_TYPES] = {
[RXE_TYPE_PD] = {
.name = "rxe-pd",
.size = sizeof(struct rxe_pd),
.flags = RXE_POOL_NO_ALLOC,
},
[RXE_TYPE_AH] = {
.name = "rxe-ah",
@ -119,8 +120,10 @@ static void rxe_cache_clean(size_t cnt)
for (i = 0; i < cnt; i++) {
type = &rxe_type_info[i];
kmem_cache_destroy(type->cache);
type->cache = NULL;
if (!(type->flags & RXE_POOL_NO_ALLOC)) {
kmem_cache_destroy(type->cache);
type->cache = NULL;
}
}
}
@ -134,14 +137,17 @@ int rxe_cache_init(void)
for (i = 0; i < RXE_NUM_TYPES; i++) {
type = &rxe_type_info[i];
size = ALIGN(type->size, RXE_POOL_ALIGN);
type->cache = kmem_cache_create(type->name, size,
RXE_POOL_ALIGN,
RXE_POOL_CACHE_FLAGS, NULL);
if (!type->cache) {
pr_err("Unable to init kmem cache for %s\n",
type->name);
err = -ENOMEM;
goto err1;
if (!(type->flags & RXE_POOL_NO_ALLOC)) {
type->cache =
kmem_cache_create(type->name, size,
RXE_POOL_ALIGN,
RXE_POOL_CACHE_FLAGS, NULL);
if (!type->cache) {
pr_err("Unable to init kmem cache for %s\n",
type->name);
err = -ENOMEM;
goto err1;
}
}
}
@ -415,6 +421,37 @@ out_put_pool:
return NULL;
}
int rxe_add_to_pool(struct rxe_pool *pool, struct rxe_pool_entry *elem)
{
unsigned long flags;
might_sleep_if(!(pool->flags & RXE_POOL_ATOMIC));
read_lock_irqsave(&pool->pool_lock, flags);
if (pool->state != RXE_POOL_STATE_VALID) {
read_unlock_irqrestore(&pool->pool_lock, flags);
return -EINVAL;
}
kref_get(&pool->ref_cnt);
read_unlock_irqrestore(&pool->pool_lock, flags);
kref_get(&pool->rxe->ref_cnt);
if (atomic_inc_return(&pool->num_elem) > pool->max_elem)
goto out_put_pool;
elem->pool = pool;
kref_init(&elem->ref_cnt);
return 0;
out_put_pool:
atomic_dec(&pool->num_elem);
rxe_dev_put(pool->rxe);
rxe_pool_put(pool);
return -EINVAL;
}
void rxe_elem_release(struct kref *kref)
{
struct rxe_pool_entry *elem =
@ -424,7 +461,8 @@ void rxe_elem_release(struct kref *kref)
if (pool->cleanup)
pool->cleanup(elem);
kmem_cache_free(pool_cache(pool), elem);
if (!(pool->flags & RXE_POOL_NO_ALLOC))
kmem_cache_free(pool_cache(pool), elem);
atomic_dec(&pool->num_elem);
rxe_dev_put(pool->rxe);
rxe_pool_put(pool);

4
drivers/infiniband/sw/rxe/rxe_pool.h
View File

@ -41,6 +41,7 @@ enum rxe_pool_flags {
RXE_POOL_ATOMIC = BIT(0),
RXE_POOL_INDEX = BIT(1),
RXE_POOL_KEY = BIT(2),
RXE_POOL_NO_ALLOC = BIT(4),
};
enum rxe_elem_type {
@ -131,6 +132,9 @@ void rxe_pool_cleanup(struct rxe_pool *pool);
/* allocate an object from pool */
void *rxe_alloc(struct rxe_pool *pool);
/* connect already allocated object to pool */
int rxe_add_to_pool(struct rxe_pool *pool, struct rxe_pool_entry *elem);
/* assign an index to an indexed object and insert object into
* pool's rb tree
*/

16
drivers/infiniband/sw/rxe/rxe_verbs.c
View File

@ -191,23 +191,20 @@ static int rxe_port_immutable(struct ib_device *dev, u8 port_num,
return 0;
}
static struct ib_pd *rxe_alloc_pd(struct ib_device *dev,
struct ib_ucontext *context,
struct ib_udata *udata)
static int rxe_alloc_pd(struct ib_pd *ibpd, struct ib_ucontext *context,
struct ib_udata *udata)
{
struct rxe_dev *rxe = to_rdev(dev);
struct rxe_pd *pd;
struct rxe_dev *rxe = to_rdev(ibpd->device);
struct rxe_pd *pd = to_rpd(ibpd);
pd = rxe_alloc(&rxe->pd_pool);
return pd ? &pd->ibpd : ERR_PTR(-ENOMEM);
return rxe_add_to_pool(&rxe->pd_pool, &pd->pelem);
}
static int rxe_dealloc_pd(struct ib_pd *ibpd)
static void rxe_dealloc_pd(struct ib_pd *ibpd)
{
struct rxe_pd *pd = to_rpd(ibpd);
rxe_drop_ref(pd);
return 0;
}
static struct ib_ah *rxe_create_ah(struct ib_pd *ibpd,
@ -1183,6 +1180,7 @@ static const struct ib_device_ops rxe_dev_ops = {
.reg_user_mr = rxe_reg_user_mr,
.req_notify_cq = rxe_req_notify_cq,
.resize_cq = rxe_resize_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, rxe_pd, ibpd),
};
int rxe_register_device(struct rxe_dev *rxe)

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

@ -66,8 +66,8 @@ struct rxe_ucontext {
};
struct rxe_pd {
struct ib_pd ibpd;
struct rxe_pool_entry pelem;
struct ib_pd ibpd;
};
struct rxe_ah {

9
include/rdma/ib_verbs.h
View File

@ -2385,10 +2385,9 @@ struct ib_device_ops {
int (*dealloc_ucontext)(struct ib_ucontext *context);
int (*mmap)(struct ib_ucontext *context, struct vm_area_struct *vma);
void (*disassociate_ucontext)(struct ib_ucontext *ibcontext);
struct ib_pd *(*alloc_pd)(struct ib_device *device,
struct ib_ucontext *context,
struct ib_udata *udata);
int (*dealloc_pd)(struct ib_pd *pd);
int (*alloc_pd)(struct ib_pd *pd, struct ib_ucontext *context,
struct ib_udata *udata);
void (*dealloc_pd)(struct ib_pd *pd);
struct ib_ah *(*create_ah)(struct ib_pd *pd,
struct rdma_ah_attr *ah_attr, u32 flags,
struct ib_udata *udata);
@ -2530,6 +2529,8 @@ struct ib_device_ops {
*/
int (*fill_res_entry)(struct sk_buff *msg,
struct rdma_restrack_entry *entry);
DECLARE_RDMA_OBJ_SIZE(ib_pd);
};
struct ib_device {