Ensure that CQ is allocated and freed by IB/core and not by drivers.
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Acked-by: Gal Pressman <galpress@amazon.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Tested-by: Dennis Dalessandro <dennis.dalessandro@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
struct ib_cq *cq;
int ret = -ENOMEM;
- cq = dev->ops.create_cq(dev, &cq_attr, NULL);
- if (IS_ERR(cq))
- return cq;
+ cq = rdma_zalloc_drv_obj(dev, ib_cq);
+ if (!cq)
+ return ERR_PTR(ret);
cq->device = dev;
- cq->uobject = NULL;
- cq->event_handler = NULL;
cq->cq_context = private;
cq->poll_ctx = poll_ctx;
atomic_set(&cq->usecnt, 0);
cq->wc = kmalloc_array(IB_POLL_BATCH, sizeof(*cq->wc), GFP_KERNEL);
if (!cq->wc)
- goto out_destroy_cq;
+ goto out_free_cq;
cq->res.type = RDMA_RESTRACK_CQ;
rdma_restrack_set_task(&cq->res, caller);
+
+ ret = dev->ops.create_cq(cq, &cq_attr, NULL);
+ if (ret)
+ goto out_free_wc;
+
rdma_restrack_kadd(&cq->res);
switch (cq->poll_ctx) {
break;
default:
ret = -EINVAL;
- goto out_free_wc;
+ goto out_destroy_cq;
}
return cq;
-out_free_wc:
- kfree(cq->wc);
- rdma_restrack_del(&cq->res);
out_destroy_cq:
+ rdma_restrack_del(&cq->res);
cq->device->ops.destroy_cq(cq, udata);
+out_free_wc:
+ kfree(cq->wc);
+out_free_cq:
+ kfree(cq);
return ERR_PTR(ret);
}
EXPORT_SYMBOL(__ib_alloc_cq_user);
WARN_ON_ONCE(1);
}
- kfree(cq->wc);
rdma_restrack_del(&cq->res);
cq->device->ops.destroy_cq(cq, udata);
+ kfree(cq->wc);
+ kfree(cq);
}
EXPORT_SYMBOL(ib_free_cq_user);
SET_DEVICE_OP(dev_ops, unmap_fmr);
SET_OBJ_SIZE(dev_ops, ib_ah);
+ SET_OBJ_SIZE(dev_ops, ib_cq);
SET_OBJ_SIZE(dev_ops, ib_pd);
SET_OBJ_SIZE(dev_ops, ib_srq);
SET_OBJ_SIZE(dev_ops, ib_ucontext);
attr.comp_vector = cmd->comp_vector;
attr.flags = cmd->flags;
- cq = ib_dev->ops.create_cq(ib_dev, &attr, &attrs->driver_udata);
- if (IS_ERR(cq)) {
- ret = PTR_ERR(cq);
+ cq = rdma_zalloc_drv_obj(ib_dev, ib_cq);
+ if (!cq) {
+ ret = -ENOMEM;
goto err_file;
}
-
cq->device = ib_dev;
cq->uobject = &obj->uobject;
cq->comp_handler = ib_uverbs_comp_handler;
cq->cq_context = ev_file ? &ev_file->ev_queue : NULL;
atomic_set(&cq->usecnt, 0);
+ ret = ib_dev->ops.create_cq(cq, &attr, &attrs->driver_udata);
+ if (ret)
+ goto err_free;
+
obj->uobject.object = cq;
memset(&resp, 0, sizeof resp);
resp.base.cq_handle = obj->uobject.id;
err_cb:
ib_destroy_cq(cq);
-
+ cq = NULL;
+err_free:
+ kfree(cq);
err_file:
if (ev_file)
ib_uverbs_release_ucq(attrs->ufile, ev_file, obj);
INIT_LIST_HEAD(&obj->comp_list);
INIT_LIST_HEAD(&obj->async_list);
- cq = ib_dev->ops.create_cq(ib_dev, &attr, &attrs->driver_udata);
- if (IS_ERR(cq)) {
- ret = PTR_ERR(cq);
+ cq = rdma_zalloc_drv_obj(ib_dev, ib_cq);
+ if (!cq) {
+ ret = -ENOMEM;
goto err_event_file;
}
cq->comp_handler = ib_uverbs_comp_handler;
cq->event_handler = ib_uverbs_cq_event_handler;
cq->cq_context = ev_file ? &ev_file->ev_queue : NULL;
- obj->uobject.object = cq;
- obj->uobject.user_handle = user_handle;
atomic_set(&cq->usecnt, 0);
cq->res.type = RDMA_RESTRACK_CQ;
+
+ ret = ib_dev->ops.create_cq(cq, &attr, &attrs->driver_udata);
+ if (ret)
+ goto err_free;
+
+ obj->uobject.object = cq;
+ obj->uobject.user_handle = user_handle;
rdma_restrack_uadd(&cq->res);
ret = uverbs_copy_to(attrs, UVERBS_ATTR_CREATE_CQ_RESP_CQE, &cq->cqe,
return 0;
err_cq:
ib_destroy_cq(cq);
-
+ cq = NULL;
+err_free:
+ kfree(cq);
err_event_file:
if (ev_file)
uverbs_uobject_put(ev_file_uobj);
const char *caller)
{
struct ib_cq *cq;
+ int ret;
+
+ cq = rdma_zalloc_drv_obj(device, ib_cq);
+ if (!cq)
+ return ERR_PTR(-ENOMEM);
- cq = device->ops.create_cq(device, cq_attr, NULL);
-
- if (!IS_ERR(cq)) {
- cq->device = device;
- cq->uobject = NULL;
- cq->comp_handler = comp_handler;
- cq->event_handler = event_handler;
- cq->cq_context = cq_context;
- atomic_set(&cq->usecnt, 0);
- cq->res.type = RDMA_RESTRACK_CQ;
- rdma_restrack_set_task(&cq->res, caller);
- rdma_restrack_kadd(&cq->res);
+ cq->device = device;
+ cq->uobject = NULL;
+ cq->comp_handler = comp_handler;
+ cq->event_handler = event_handler;
+ cq->cq_context = cq_context;
+ atomic_set(&cq->usecnt, 0);
+ cq->res.type = RDMA_RESTRACK_CQ;
+ rdma_restrack_set_task(&cq->res, caller);
+
+ ret = device->ops.create_cq(cq, cq_attr, NULL);
+ if (ret) {
+ kfree(cq);
+ return ERR_PTR(ret);
}
+ rdma_restrack_kadd(&cq->res);
return cq;
}
EXPORT_SYMBOL(__ib_create_cq);
rdma_restrack_del(&cq->res);
cq->device->ops.destroy_cq(cq, udata);
+ kfree(cq);
return 0;
}
EXPORT_SYMBOL(ib_destroy_cq_user);
atomic_dec(&rdev->cq_count);
nq->budget--;
kfree(cq->cql);
- kfree(cq);
}
-struct ib_cq *bnxt_re_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
+int bnxt_re_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
{
- struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibdev, ibdev);
+ struct bnxt_re_dev *rdev = to_bnxt_re_dev(ibcq->device, ibdev);
struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr;
- struct bnxt_re_cq *cq = NULL;
+ struct bnxt_re_cq *cq = container_of(ibcq, struct bnxt_re_cq, ib_cq);
int rc, entries;
int cqe = attr->cqe;
struct bnxt_qplib_nq *nq = NULL;
/* Validate CQ fields */
if (cqe < 1 || cqe > dev_attr->max_cq_wqes) {
dev_err(rdev_to_dev(rdev), "Failed to create CQ -max exceeded");
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
}
- cq = kzalloc(sizeof(*cq), GFP_KERNEL);
- if (!cq)
- return ERR_PTR(-ENOMEM);
cq->rdev = rdev;
cq->qplib_cq.cq_handle = (u64)(unsigned long)(&cq->qplib_cq);
}
}
- return &cq->ib_cq;
+ return 0;
c2fail:
if (udata)
ib_umem_release(cq->umem);
fail:
kfree(cq->cql);
- kfree(cq);
- return ERR_PTR(rc);
+ return rc;
}
static u8 __req_to_ib_wc_status(u8 qstatus)
};
struct bnxt_re_cq {
+ struct ib_cq ib_cq;
struct bnxt_re_dev *rdev;
spinlock_t cq_lock; /* protect cq */
u16 cq_count;
u16 cq_period;
- struct ib_cq ib_cq;
struct bnxt_qplib_cq qplib_cq;
struct bnxt_qplib_cqe *cql;
#define MAX_CQL_PER_POLL 1024
const struct ib_send_wr **bad_send_wr);
int bnxt_re_post_recv(struct ib_qp *qp, const struct ib_recv_wr *recv_wr,
const struct ib_recv_wr **bad_recv_wr);
-struct ib_cq *bnxt_re_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata);
+int bnxt_re_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata);
void bnxt_re_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
int bnxt_re_poll_cq(struct ib_cq *cq, int num_entries, struct ib_wc *wc);
int bnxt_re_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
.reg_user_mr = bnxt_re_reg_user_mr,
.req_notify_cq = bnxt_re_req_notify_cq,
INIT_RDMA_OBJ_SIZE(ib_ah, bnxt_re_ah, ib_ah),
+ INIT_RDMA_OBJ_SIZE(ib_cq, bnxt_re_cq, ib_cq),
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),
wait_event(chp->wait, !atomic_read(&chp->refcnt));
cxio_destroy_cq(&chp->rhp->rdev, &chp->cq);
- kfree(chp);
}
-static struct ib_cq *iwch_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
+static int iwch_create_cq(struct ib_cq *ibcq,
+ const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
{
+ struct ib_device *ibdev = ibcq->device;
int entries = attr->cqe;
- struct iwch_dev *rhp;
- struct iwch_cq *chp;
+ struct iwch_dev *rhp = to_iwch_dev(ibcq->device);
+ struct iwch_cq *chp = to_iwch_cq(ibcq);
struct iwch_create_cq_resp uresp;
struct iwch_create_cq_req ureq;
static int warned;
pr_debug("%s ib_dev %p entries %d\n", __func__, ibdev, entries);
if (attr->flags)
- return ERR_PTR(-EINVAL);
-
- rhp = to_iwch_dev(ibdev);
- chp = kzalloc(sizeof(*chp), GFP_KERNEL);
- if (!chp)
- return ERR_PTR(-ENOMEM);
+ return -EINVAL;
if (udata) {
if (!t3a_device(rhp)) {
- if (ib_copy_from_udata(&ureq, udata, sizeof(ureq))) {
- kfree(chp);
- return ERR_PTR(-EFAULT);
- }
+ if (ib_copy_from_udata(&ureq, udata, sizeof(ureq)))
+ return -EFAULT;
+
chp->user_rptr_addr = (u32 __user *)(unsigned long)ureq.user_rptr_addr;
}
}
entries = roundup_pow_of_two(entries);
chp->cq.size_log2 = ilog2(entries);
- if (cxio_create_cq(&rhp->rdev, &chp->cq, !udata)) {
- kfree(chp);
- return ERR_PTR(-ENOMEM);
- }
+ if (cxio_create_cq(&rhp->rdev, &chp->cq, !udata))
+ return -ENOMEM;
+
chp->rhp = rhp;
chp->ibcq.cqe = 1 << chp->cq.size_log2;
spin_lock_init(&chp->lock);
init_waitqueue_head(&chp->wait);
if (xa_store_irq(&rhp->cqs, chp->cq.cqid, chp, GFP_KERNEL)) {
cxio_destroy_cq(&chp->rhp->rdev, &chp->cq);
- kfree(chp);
- return ERR_PTR(-ENOMEM);
+ return -ENOMEM;
}
if (udata) {
mm = kmalloc(sizeof(*mm), GFP_KERNEL);
if (!mm) {
iwch_destroy_cq(&chp->ibcq, udata);
- return ERR_PTR(-ENOMEM);
+ return -ENOMEM;
}
uresp.cqid = chp->cq.cqid;
uresp.size_log2 = chp->cq.size_log2;
if (ib_copy_to_udata(udata, &uresp, resplen)) {
kfree(mm);
iwch_destroy_cq(&chp->ibcq, udata);
- return ERR_PTR(-EFAULT);
+ return -EFAULT;
}
insert_mmap(ucontext, mm);
}
pr_debug("created cqid 0x%0x chp %p size 0x%0x, dma_addr %pad\n",
chp->cq.cqid, chp, (1 << chp->cq.size_log2),
&chp->cq.dma_addr);
- return &chp->ibcq;
+ return 0;
}
static int iwch_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags)
.reg_user_mr = iwch_reg_user_mr,
.req_notify_cq = iwch_arm_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, iwch_pd, ibpd),
+ INIT_RDMA_OBJ_SIZE(ib_cq, iwch_cq, ibcq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, iwch_ucontext, ibucontext),
};
ucontext ? &ucontext->uctx : &chp->cq.rdev->uctx,
chp->destroy_skb, chp->wr_waitp);
c4iw_put_wr_wait(chp->wr_waitp);
- kfree(chp);
}
-struct ib_cq *c4iw_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
+int c4iw_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
{
+ struct ib_device *ibdev = ibcq->device;
int entries = attr->cqe;
int vector = attr->comp_vector;
- struct c4iw_dev *rhp;
- struct c4iw_cq *chp;
+ struct c4iw_dev *rhp = to_c4iw_dev(ibcq->device);
+ struct c4iw_cq *chp = to_c4iw_cq(ibcq);
struct c4iw_create_cq ucmd;
struct c4iw_create_cq_resp uresp;
int ret, wr_len;
pr_debug("ib_dev %p entries %d\n", ibdev, entries);
if (attr->flags)
- return ERR_PTR(-EINVAL);
-
- rhp = to_c4iw_dev(ibdev);
+ return -EINVAL;
if (vector >= rhp->rdev.lldi.nciq)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (udata) {
if (udata->inlen < sizeof(ucmd))
ucontext->is_32b_cqe = 1;
}
- chp = kzalloc(sizeof(*chp), GFP_KERNEL);
- if (!chp)
- return ERR_PTR(-ENOMEM);
-
chp->wr_waitp = c4iw_alloc_wr_wait(GFP_KERNEL);
if (!chp->wr_waitp) {
ret = -ENOMEM;
mm2->len = PAGE_SIZE;
insert_mmap(ucontext, mm2);
}
+
pr_debug("cqid 0x%0x chp %p size %u memsize %zu, dma_addr %pad\n",
chp->cq.cqid, chp, chp->cq.size, chp->cq.memsize,
&chp->cq.dma_addr);
- return &chp->ibcq;
+ return 0;
err_free_mm2:
kfree(mm2);
err_free_mm:
err_free_wr_wait:
c4iw_put_wr_wait(chp->wr_waitp);
err_free_chp:
- kfree(chp);
- return ERR_PTR(ret);
+ return ret;
}
int c4iw_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags)
struct ib_mr *c4iw_get_dma_mr(struct ib_pd *pd, int acc);
int c4iw_dereg_mr(struct ib_mr *ib_mr, struct ib_udata *udata);
void c4iw_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata);
-struct ib_cq *c4iw_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata);
+int c4iw_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata);
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,
.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_cq, c4iw_cq, ibcq),
INIT_RDMA_OBJ_SIZE(ib_srq, c4iw_srq, ibsrq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, c4iw_ucontext, ibucontext),
};
struct ib_qp_init_attr *init_attr,
struct ib_udata *udata);
void efa_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata);
-struct ib_cq *efa_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata);
+int efa_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata);
struct ib_mr *efa_reg_mr(struct ib_pd *ibpd, u64 start, u64 length,
u64 virt_addr, int access_flags,
struct ib_udata *udata);
.reg_user_mr = efa_reg_mr,
INIT_RDMA_OBJ_SIZE(ib_ah, efa_ah, ibah),
+ INIT_RDMA_OBJ_SIZE(ib_cq, efa_cq, ibcq),
INIT_RDMA_OBJ_SIZE(ib_pd, efa_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_ucontext, efa_ucontext, ibucontext),
};
efa_destroy_cq_idx(dev, cq->cq_idx);
dma_unmap_single(&dev->pdev->dev, cq->dma_addr, cq->size,
DMA_FROM_DEVICE);
-
- kfree(cq);
}
static int cq_mmap_entries_setup(struct efa_dev *dev, struct efa_cq *cq,
return 0;
}
-static struct ib_cq *do_create_cq(struct ib_device *ibdev, int entries,
- int vector, struct ib_ucontext *ibucontext,
- struct ib_udata *udata)
+int efa_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
{
+ struct efa_ucontext *ucontext = rdma_udata_to_drv_context(
+ udata, struct efa_ucontext, ibucontext);
struct efa_ibv_create_cq_resp resp = {};
struct efa_com_create_cq_params params;
struct efa_com_create_cq_result result;
+ struct ib_device *ibdev = ibcq->device;
struct efa_dev *dev = to_edev(ibdev);
struct efa_ibv_create_cq cmd = {};
+ struct efa_cq *cq = to_ecq(ibcq);
bool cq_entry_inserted = false;
- struct efa_cq *cq;
+ int entries = attr->cqe;
int err;
ibdev_dbg(ibdev, "create_cq entries %d\n", entries);
goto err_out;
}
- cq = kzalloc(sizeof(*cq), GFP_KERNEL);
- if (!cq) {
- err = -ENOMEM;
- goto err_out;
- }
-
- cq->ucontext = to_eucontext(ibucontext);
+ cq->ucontext = ucontext;
cq->size = PAGE_ALIGN(cmd.cq_entry_size * entries * cmd.num_sub_cqs);
cq->cpu_addr = efa_zalloc_mapped(dev, &cq->dma_addr, cq->size,
DMA_FROM_DEVICE);
if (!cq->cpu_addr) {
err = -ENOMEM;
- goto err_free_cq;
+ goto err_out;
}
params.uarn = cq->ucontext->uarn;
err = cq_mmap_entries_setup(dev, cq, &resp);
if (err) {
- ibdev_dbg(ibdev,
- "Could not setup cq[%u] mmap entries\n", cq->cq_idx);
+ ibdev_dbg(ibdev, "Could not setup cq[%u] mmap entries\n",
+ cq->cq_idx);
goto err_destroy_cq;
}
}
}
- ibdev_dbg(ibdev,
- "Created cq[%d], cq depth[%u]. dma[%pad] virt[0x%p]\n",
+ ibdev_dbg(ibdev, "Created cq[%d], cq depth[%u]. dma[%pad] virt[0x%p]\n",
cq->cq_idx, result.actual_depth, &cq->dma_addr, cq->cpu_addr);
- return &cq->ibcq;
+ return 0;
err_destroy_cq:
efa_destroy_cq_idx(dev, cq->cq_idx);
DMA_FROM_DEVICE);
if (!cq_entry_inserted)
free_pages_exact(cq->cpu_addr, cq->size);
-err_free_cq:
- kfree(cq);
err_out:
atomic64_inc(&dev->stats.sw_stats.create_cq_err);
- return ERR_PTR(err);
-}
-
-struct ib_cq *efa_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
-{
- struct efa_ucontext *ucontext = rdma_udata_to_drv_context(udata,
- struct efa_ucontext,
- ibucontext);
-
- return do_create_cq(ibdev, attr->cqe, attr->comp_vector,
- &ucontext->ibucontext, udata);
+ return err;
}
static int umem_to_page_list(struct efa_dev *dev,
&buf->hr_buf);
}
-struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
+int hns_roce_ib_create_cq(struct ib_cq *ib_cq,
+ const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
{
- struct hns_roce_dev *hr_dev = to_hr_dev(ib_dev);
+ struct hns_roce_dev *hr_dev = to_hr_dev(ib_cq->device);
struct device *dev = hr_dev->dev;
struct hns_roce_ib_create_cq ucmd;
struct hns_roce_ib_create_cq_resp resp = {};
- struct hns_roce_cq *hr_cq = NULL;
+ struct hns_roce_cq *hr_cq = to_hr_cq(ib_cq);
struct hns_roce_uar *uar = NULL;
int vector = attr->comp_vector;
int cq_entries = attr->cqe;
if (cq_entries < 1 || cq_entries > hr_dev->caps.max_cqes) {
dev_err(dev, "Creat CQ failed. entries=%d, max=%d\n",
cq_entries, hr_dev->caps.max_cqes);
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
}
- hr_cq = kzalloc(sizeof(*hr_cq), GFP_KERNEL);
- if (!hr_cq)
- return ERR_PTR(-ENOMEM);
-
if (hr_dev->caps.min_cqes)
cq_entries = max(cq_entries, hr_dev->caps.min_cqes);
goto err_cqc;
}
- return &hr_cq->ib_cq;
+ return 0;
err_cqc:
hns_roce_free_cq(hr_dev, hr_cq);
hns_roce_free_db(hr_dev, &hr_cq->db);
err_cq:
- kfree(hr_cq);
- return ERR_PTR(ret);
+ return ret;
}
EXPORT_SYMBOL_GPL(hns_roce_ib_create_cq);
if (hr_dev->caps.flags & HNS_ROCE_CAP_FLAG_RECORD_DB)
hns_roce_free_db(hr_dev, &hr_cq->db);
}
-
- kfree(hr_cq);
}
EXPORT_SYMBOL_GPL(hns_roce_ib_destroy_cq);
__be32 send_ieth(const struct ib_send_wr *wr);
int to_hr_qp_type(int qp_type);
-struct ib_cq *hns_roce_ib_create_cq(struct ib_device *ib_dev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata);
+int hns_roce_ib_create_cq(struct ib_cq *ib_cq,
+ const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata);
void hns_roce_ib_destroy_cq(struct ib_cq *ib_cq, struct ib_udata *udata);
void hns_roce_free_cq(struct hns_roce_dev *hr_dev, struct hns_roce_cq *hr_cq);
union ib_gid dgid;
u64 subnet_prefix;
int attr_mask = 0;
- int ret = -ENOMEM;
+ int ret;
int i, j;
u8 queue_en[HNS_ROCE_V1_RESV_QP] = { 0 };
u8 phy_port;
/* Reserved cq for loop qp */
cq_init_attr.cqe = HNS_ROCE_MIN_WQE_NUM * 2;
cq_init_attr.comp_vector = 0;
- cq = hns_roce_ib_create_cq(&hr_dev->ib_dev, &cq_init_attr, NULL);
- if (IS_ERR(cq)) {
- dev_err(dev, "Create cq for reserved loop qp failed!");
+
+ ibdev = &hr_dev->ib_dev;
+ cq = rdma_zalloc_drv_obj(ibdev, ib_cq);
+ if (!cq)
return -ENOMEM;
+
+ ret = hns_roce_ib_create_cq(cq, &cq_init_attr, NULL);
+ if (ret) {
+ dev_err(dev, "Create cq for reserved loop qp failed!");
+ goto alloc_cq_failed;
}
free_mr->mr_free_cq = to_hr_cq(cq);
free_mr->mr_free_cq->ib_cq.device = &hr_dev->ib_dev;
free_mr->mr_free_cq->ib_cq.cq_context = NULL;
atomic_set(&free_mr->mr_free_cq->ib_cq.usecnt, 0);
- ibdev = &hr_dev->ib_dev;
pd = rdma_zalloc_drv_obj(ibdev, ib_pd);
if (!pd)
goto alloc_mem_failed;
alloc_mem_failed:
hns_roce_ib_destroy_cq(cq, NULL);
-
+alloc_cq_failed:
+ kfree(cq);
return ret;
}
}
hns_roce_ib_destroy_cq(&free_mr->mr_free_cq->ib_cq, NULL);
+ kfree(&free_mr->mr_free_cq->ib_cq);
hns_roce_dealloc_pd(&free_mr->mr_free_pd->ibpd, NULL);
}
cq_buf_size = (ibcq->cqe + 1) * hr_dev->caps.cq_entry_sz;
hns_roce_buf_free(hr_dev, cq_buf_size, &hr_cq->hr_buf.hr_buf);
}
-
- kfree(hr_cq);
}
static void set_eq_cons_index_v1(struct hns_roce_eq *eq, int req_not)
.reg_user_mr = hns_roce_reg_user_mr,
INIT_RDMA_OBJ_SIZE(ib_ah, hns_roce_ah, ibah),
+ INIT_RDMA_OBJ_SIZE(ib_cq, hns_roce_cq, ib_cq),
INIT_RDMA_OBJ_SIZE(ib_pd, hns_roce_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_ucontext, hns_roce_ucontext, ibucontext),
};
cq = &iwcq->sc_cq;
i40iw_cq_wq_destroy(iwdev, cq);
cq_free_resources(iwdev, iwcq);
- kfree(iwcq);
i40iw_rem_devusecount(iwdev);
}
/**
* i40iw_create_cq - create cq
- * @ibdev: device pointer from stack
+ * @ibcq: CQ allocated
* @attr: attributes for cq
* @udata: user data
*/
-static struct ib_cq *i40iw_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
+static int i40iw_create_cq(struct ib_cq *ibcq,
+ const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
{
+ struct ib_device *ibdev = ibcq->device;
struct i40iw_device *iwdev = to_iwdev(ibdev);
- struct i40iw_cq *iwcq;
+ struct i40iw_cq *iwcq = to_iwcq(ibcq);
struct i40iw_pbl *iwpbl;
u32 cq_num = 0;
struct i40iw_sc_cq *cq;
struct i40iw_sc_dev *dev = &iwdev->sc_dev;
- struct i40iw_cq_init_info info;
+ struct i40iw_cq_init_info info = {};
enum i40iw_status_code status;
struct i40iw_cqp_request *cqp_request;
struct cqp_commands_info *cqp_info;
int entries = attr->cqe;
if (iwdev->closing)
- return ERR_PTR(-ENODEV);
+ return -ENODEV;
if (entries > iwdev->max_cqe)
- return ERR_PTR(-EINVAL);
-
- iwcq = kzalloc(sizeof(*iwcq), GFP_KERNEL);
- if (!iwcq)
- return ERR_PTR(-ENOMEM);
-
- memset(&info, 0, sizeof(info));
+ return -EINVAL;
err_code = i40iw_alloc_resource(iwdev, iwdev->allocated_cqs,
iwdev->max_cq, &cq_num,
&iwdev->next_cq);
if (err_code)
- goto error;
+ return err_code;
cq = &iwcq->sc_cq;
cq->back_cq = (void *)iwcq;
}
i40iw_add_devusecount(iwdev);
- return (struct ib_cq *)iwcq;
+ return 0;
cq_destroy:
i40iw_cq_wq_destroy(iwdev, cq);
cq_free_resources:
cq_free_resources(iwdev, iwcq);
-error:
- kfree(iwcq);
- return ERR_PTR(err_code);
+ return err_code;
}
/**
.reg_user_mr = i40iw_reg_user_mr,
.req_notify_cq = i40iw_req_notify_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, i40iw_pd, ibpd),
+ INIT_RDMA_OBJ_SIZE(ib_cq, i40iw_cq, ibcq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, i40iw_ucontext, ibucontext),
};
}
#define CQ_CREATE_FLAGS_SUPPORTED IB_UVERBS_CQ_FLAGS_TIMESTAMP_COMPLETION
-struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
+int mlx4_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
{
+ struct ib_device *ibdev = ibcq->device;
int entries = attr->cqe;
int vector = attr->comp_vector;
struct mlx4_ib_dev *dev = to_mdev(ibdev);
- struct mlx4_ib_cq *cq;
+ struct mlx4_ib_cq *cq = to_mcq(ibcq);
struct mlx4_uar *uar;
void *buf_addr;
int err;
udata, struct mlx4_ib_ucontext, ibucontext);
if (entries < 1 || entries > dev->dev->caps.max_cqes)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (attr->flags & ~CQ_CREATE_FLAGS_SUPPORTED)
- return ERR_PTR(-EINVAL);
-
- cq = kzalloc(sizeof(*cq), GFP_KERNEL);
- if (!cq)
- return ERR_PTR(-ENOMEM);
+ return -EINVAL;
entries = roundup_pow_of_two(entries + 1);
cq->ibcq.cqe = entries - 1;
goto err_cq_free;
}
- return &cq->ibcq;
+ return 0;
err_cq_free:
mlx4_cq_free(dev->dev, &cq->mcq);
err_db:
if (!udata)
mlx4_db_free(dev->dev, &cq->db);
-
err_cq:
- kfree(cq);
-
- return ERR_PTR(err);
+ return err;
}
static int mlx4_alloc_resize_buf(struct mlx4_ib_dev *dev, struct mlx4_ib_cq *cq,
mlx4_ib_free_cq_buf(dev, &mcq->buf, cq->cqe);
mlx4_db_free(dev->dev, &mcq->db);
}
-
- kfree(mcq);
}
static void dump_cqe(void *cqe)
.resize_cq = mlx4_ib_resize_cq,
INIT_RDMA_OBJ_SIZE(ib_ah, mlx4_ib_ah, ibah),
+ INIT_RDMA_OBJ_SIZE(ib_cq, mlx4_ib_cq, ibcq),
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),
unsigned int *sg_offset);
int mlx4_ib_modify_cq(struct ib_cq *cq, u16 cq_count, u16 cq_period);
int mlx4_ib_resize_cq(struct ib_cq *ibcq, int entries, struct ib_udata *udata);
-struct ib_cq *mlx4_ib_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata);
+int mlx4_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata);
void mlx4_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
int mlx4_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
int mlx4_ib_arm_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
cq->ibcq.comp_handler(&cq->ibcq, cq->ibcq.cq_context);
}
-struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
+int mlx5_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
{
+ struct ib_device *ibdev = ibcq->device;
int entries = attr->cqe;
int vector = attr->comp_vector;
struct mlx5_ib_dev *dev = to_mdev(ibdev);
- struct mlx5_ib_cq *cq;
+ struct mlx5_ib_cq *cq = to_mcq(ibcq);
int uninitialized_var(index);
int uninitialized_var(inlen);
u32 *cqb = NULL;
if (entries < 0 ||
(entries > (1 << MLX5_CAP_GEN(dev->mdev, log_max_cq_sz))))
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (check_cq_create_flags(attr->flags))
- return ERR_PTR(-EOPNOTSUPP);
+ return -EOPNOTSUPP;
entries = roundup_pow_of_two(entries + 1);
if (entries > (1 << MLX5_CAP_GEN(dev->mdev, log_max_cq_sz)))
- return ERR_PTR(-EINVAL);
-
- cq = kzalloc(sizeof(*cq), GFP_KERNEL);
- if (!cq)
- return ERR_PTR(-ENOMEM);
+ return -EINVAL;
cq->ibcq.cqe = entries - 1;
mutex_init(&cq->resize_mutex);
err = create_cq_user(dev, udata, cq, entries, &cqb, &cqe_size,
&index, &inlen);
if (err)
- goto err_create;
+ return err;
} else {
cqe_size = cache_line_size() == 128 ? 128 : 64;
err = create_cq_kernel(dev, cq, entries, cqe_size, &cqb,
&index, &inlen);
if (err)
- goto err_create;
+ return err;
INIT_WORK(&cq->notify_work, notify_soft_wc_handler);
}
kvfree(cqb);
- return &cq->ibcq;
+ return 0;
err_cmd:
mlx5_core_destroy_cq(dev->mdev, &cq->mcq);
destroy_cq_user(cq, udata);
else
destroy_cq_kernel(dev, cq);
-
-err_create:
- kfree(cq);
-
- return ERR_PTR(err);
+ return err;
}
void mlx5_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata)
destroy_cq_user(mcq, udata);
else
destroy_cq_kernel(dev, mcq);
-
- kfree(mcq);
}
static int is_equal_rsn(struct mlx5_cqe64 *cqe64, u32 rsn)
if (ret)
goto error0;
- devr->c0 = mlx5_ib_create_cq(&dev->ib_dev, &cq_attr, NULL);
- if (IS_ERR(devr->c0)) {
- ret = PTR_ERR(devr->c0);
+ devr->c0 = rdma_zalloc_drv_obj(ibdev, ib_cq);
+ if (!devr->c0) {
+ ret = -ENOMEM;
goto error1;
}
- devr->c0->device = &dev->ib_dev;
- devr->c0->uobject = NULL;
- devr->c0->comp_handler = NULL;
- devr->c0->event_handler = NULL;
- devr->c0->cq_context = NULL;
+
+ devr->c0->device = &dev->ib_dev;
atomic_set(&devr->c0->usecnt, 0);
+ ret = mlx5_ib_create_cq(devr->c0, &cq_attr, NULL);
+ if (ret)
+ goto err_create_cq;
+
devr->x0 = mlx5_ib_alloc_xrcd(&dev->ib_dev, NULL);
if (IS_ERR(devr->x0)) {
ret = PTR_ERR(devr->x0);
mlx5_ib_dealloc_xrcd(devr->x0, NULL);
error2:
mlx5_ib_destroy_cq(devr->c0, NULL);
+err_create_cq:
+ kfree(devr->c0);
error1:
mlx5_ib_dealloc_pd(devr->p0, NULL);
error0:
mlx5_ib_dealloc_xrcd(devr->x0, NULL);
mlx5_ib_dealloc_xrcd(devr->x1, NULL);
mlx5_ib_destroy_cq(devr->c0, NULL);
+ kfree(devr->c0);
mlx5_ib_dealloc_pd(devr->p0, NULL);
kfree(devr->p0);
.resize_cq = mlx5_ib_resize_cq,
INIT_RDMA_OBJ_SIZE(ib_ah, mlx5_ib_ah, ibah),
+ INIT_RDMA_OBJ_SIZE(ib_cq, mlx5_ib_cq, ibcq),
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),
int buflen, size_t *bc);
int mlx5_ib_read_user_wqe_srq(struct mlx5_ib_srq *srq, int wqe_index,
void *buffer, int buflen, size_t *bc);
-struct ib_cq *mlx5_ib_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata);
+int mlx5_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata);
void mlx5_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
int mlx5_ib_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
int mlx5_ib_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
return 0;
}
-static struct ib_cq *mthca_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
+static int mthca_create_cq(struct ib_cq *ibcq,
+ const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
{
+ struct ib_device *ibdev = ibcq->device;
int entries = attr->cqe;
struct mthca_create_cq ucmd;
struct mthca_cq *cq;
udata, struct mthca_ucontext, ibucontext);
if (attr->flags)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (entries < 1 || entries > to_mdev(ibdev)->limits.max_cqes)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (udata) {
- if (ib_copy_from_udata(&ucmd, udata, sizeof ucmd))
- return ERR_PTR(-EFAULT);
+ if (ib_copy_from_udata(&ucmd, udata, sizeof(ucmd)))
+ return -EFAULT;
err = mthca_map_user_db(to_mdev(ibdev), &context->uar,
context->db_tab, ucmd.set_db_index,
ucmd.set_db_page);
if (err)
- return ERR_PTR(err);
+ return err;
err = mthca_map_user_db(to_mdev(ibdev), &context->uar,
context->db_tab, ucmd.arm_db_index,
goto err_unmap_set;
}
- cq = kzalloc(sizeof(*cq), GFP_KERNEL);
- if (!cq) {
- err = -ENOMEM;
- goto err_unmap_arm;
- }
+ cq = to_mcq(ibcq);
if (udata) {
cq->buf.mr.ibmr.lkey = ucmd.lkey;
udata ? ucmd.pdn : to_mdev(ibdev)->driver_pd.pd_num,
cq);
if (err)
- goto err_free;
+ goto err_unmap_arm;
if (udata && ib_copy_to_udata(udata, &cq->cqn, sizeof(__u32))) {
mthca_free_cq(to_mdev(ibdev), cq);
err = -EFAULT;
- goto err_free;
+ goto err_unmap_arm;
}
cq->resize_buf = NULL;
- return &cq->ibcq;
-
-err_free:
- kfree(cq);
+ return 0;
err_unmap_arm:
if (udata)
mthca_unmap_user_db(to_mdev(ibdev), &context->uar,
context->db_tab, ucmd.set_db_index);
- return ERR_PTR(err);
+ return err;
}
static int mthca_alloc_resize_buf(struct mthca_dev *dev, struct mthca_cq *cq,
to_mcq(cq)->set_ci_db_index);
}
mthca_free_cq(to_mdev(cq->device), to_mcq(cq));
- kfree(cq);
}
static inline u32 convert_access(int acc)
.resize_cq = mthca_resize_cq,
INIT_RDMA_OBJ_SIZE(ib_ah, mthca_ah, ibah),
+ INIT_RDMA_OBJ_SIZE(ib_cq, mthca_cq, ibcq),
INIT_RDMA_OBJ_SIZE(ib_pd, mthca_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_ucontext, mthca_ucontext, ibucontext),
};
/**
* nes_create_cq
*/
-static struct ib_cq *nes_create_cq(struct ib_device *ibdev,
+static int nes_create_cq(struct ib_cq *ibcq,
const struct ib_cq_init_attr *attr,
struct ib_udata *udata)
{
+ struct ib_device *ibdev = ibcq->device;
int entries = attr->cqe;
u64 u64temp;
struct nes_vnic *nesvnic = to_nesvnic(ibdev);
struct nes_device *nesdev = nesvnic->nesdev;
struct nes_adapter *nesadapter = nesdev->nesadapter;
- struct nes_cq *nescq;
+ struct nes_cq *nescq = to_nescq(ibcq);
struct nes_ucontext *nes_ucontext = NULL;
struct nes_cqp_request *cqp_request;
void *mem = NULL;
int ret;
if (attr->flags)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (entries > nesadapter->max_cqe)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
err = nes_alloc_resource(nesadapter, nesadapter->allocated_cqs,
nesadapter->max_cq, &cq_num, &nesadapter->next_cq, NES_RESOURCE_CQ);
- if (err) {
- return ERR_PTR(err);
- }
-
- nescq = kzalloc(sizeof(struct nes_cq), GFP_KERNEL);
- if (!nescq) {
- nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num);
- return ERR_PTR(-ENOMEM);
- }
+ if (err)
+ return err;
nescq->hw_cq.cq_size = max(entries + 1, 5);
nescq->hw_cq.cq_number = cq_num;
struct nes_ucontext *nes_ucontext = rdma_udata_to_drv_context(
udata, struct nes_ucontext, ibucontext);
- if (ib_copy_from_udata(&req, udata, sizeof (struct nes_create_cq_req))) {
+ if (ib_copy_from_udata(&req, udata,
+ sizeof(struct nes_create_cq_req))) {
nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num);
- kfree(nescq);
- return ERR_PTR(-EFAULT);
+ return -EFAULT;
}
nesvnic->mcrq_ucontext = nes_ucontext;
nes_ucontext->mcrqf = req.mcrqf;
nescq->mcrqf = nes_ucontext->mcrqf;
nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num);
}
- nes_debug(NES_DBG_CQ, "CQ Virtual Address = %08lX, size = %u.\n",
- (unsigned long)req.user_cq_buffer, entries);
err = 1;
list_for_each_entry(nespbl, &nes_ucontext->cq_reg_mem_list, list) {
if (nespbl->user_base == (unsigned long )req.user_cq_buffer) {
}
if (err) {
nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num);
- kfree(nescq);
- return ERR_PTR(-EFAULT);
+ return -EFAULT;
}
pbl_entries = nespbl->pbl_size >> 3;
if (!mem) {
printk(KERN_ERR PFX "Unable to allocate pci memory for cq\n");
nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num);
- kfree(nescq);
- return ERR_PTR(-ENOMEM);
+ return -ENOMEM;
}
nescq->hw_cq.cq_vbase = mem;
nescq->hw_cq.cq_head = 0;
- nes_debug(NES_DBG_CQ, "CQ%u virtual address @ %p, phys = 0x%08X\n",
- nescq->hw_cq.cq_number, nescq->hw_cq.cq_vbase,
- (u32)nescq->hw_cq.cq_pbase);
}
nescq->hw_cq.ce_handler = nes_iwarp_ce_handler;
}
nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num);
- kfree(nescq);
- return ERR_PTR(-ENOMEM);
+ return -ENOMEM;
}
cqp_request->waiting = 1;
cqp_wqe = &cqp_request->cqp_wqe;
kfree(nespbl);
}
nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num);
- kfree(nescq);
- return ERR_PTR(-ENOMEM);
+ return -ENOMEM;
} else {
opcode |= (NES_CQP_CQ_VIRT | NES_CQP_CQ_4KB_CHUNK);
nescq->virtual_cq = 2;
kfree(nespbl);
}
nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num);
- kfree(nescq);
- return ERR_PTR(-ENOMEM);
+ return -ENOMEM;
} else {
opcode |= NES_CQP_CQ_VIRT;
nescq->virtual_cq = 1;
kfree(nespbl);
}
nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num);
- kfree(nescq);
- return ERR_PTR(-EIO);
+ return -EIO;
}
nes_put_cqp_request(nesdev, cqp_request);
resp.cq_id = nescq->hw_cq.cq_number;
resp.cq_size = nescq->hw_cq.cq_size;
resp.mmap_db_index = 0;
- if (ib_copy_to_udata(udata, &resp, sizeof resp - sizeof resp.reserved)) {
+ if (ib_copy_to_udata(udata, &resp,
+ sizeof(resp) - sizeof(resp.reserved))) {
nes_free_resource(nesadapter, nesadapter->allocated_cqs, cq_num);
- kfree(nescq);
- return ERR_PTR(-EFAULT);
+ return -EFAULT;
}
}
- return &nescq->ibcq;
+ return 0;
}
-
/**
* nes_destroy_cq
*/
if (nescq->cq_mem_size)
pci_free_consistent(nesdev->pcidev, nescq->cq_mem_size,
nescq->hw_cq.cq_vbase, nescq->hw_cq.cq_pbase);
- kfree(nescq);
}
/**
.reg_user_mr = nes_reg_user_mr,
.req_notify_cq = nes_req_notify_cq,
INIT_RDMA_OBJ_SIZE(ib_pd, nes_pd, ibpd),
+ INIT_RDMA_OBJ_SIZE(ib_cq, nes_cq, ibcq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, nes_ucontext, ibucontext),
};
.resize_cq = ocrdma_resize_cq,
INIT_RDMA_OBJ_SIZE(ib_ah, ocrdma_ah, ibah),
+ INIT_RDMA_OBJ_SIZE(ib_cq, ocrdma_cq, ibcq),
INIT_RDMA_OBJ_SIZE(ib_pd, ocrdma_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_ucontext, ocrdma_ucontext, ibucontext),
};
return status;
}
-struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
+int ocrdma_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
{
+ struct ib_device *ibdev = ibcq->device;
int entries = attr->cqe;
- struct ocrdma_cq *cq;
+ struct ocrdma_cq *cq = get_ocrdma_cq(ibcq);
struct ocrdma_dev *dev = get_ocrdma_dev(ibdev);
struct ocrdma_ucontext *uctx = rdma_udata_to_drv_context(
udata, struct ocrdma_ucontext, ibucontext);
struct ocrdma_create_cq_ureq ureq;
if (attr->flags)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (udata) {
if (ib_copy_from_udata(&ureq, udata, sizeof(ureq)))
- return ERR_PTR(-EFAULT);
+ return -EFAULT;
} else
ureq.dpp_cq = 0;
- cq = kzalloc(sizeof(*cq), GFP_KERNEL);
- if (!cq)
- return ERR_PTR(-ENOMEM);
spin_lock_init(&cq->cq_lock);
spin_lock_init(&cq->comp_handler_lock);
pd_id = uctx->cntxt_pd->id;
status = ocrdma_mbx_create_cq(dev, cq, entries, ureq.dpp_cq, pd_id);
- if (status) {
- kfree(cq);
- return ERR_PTR(status);
- }
+ if (status)
+ return status;
+
if (udata) {
status = ocrdma_copy_cq_uresp(dev, cq, udata);
if (status)
}
cq->phase = OCRDMA_CQE_VALID;
dev->cq_tbl[cq->id] = cq;
- return &cq->ibcq;
+ return 0;
ctx_err:
ocrdma_mbx_destroy_cq(dev, cq);
- kfree(cq);
- return ERR_PTR(status);
+ return status;
}
int ocrdma_resize_cq(struct ib_cq *ibcq, int new_cnt,
ocrdma_get_db_addr(dev, pdid),
dev->nic_info.db_page_size);
}
-
- kfree(cq);
}
static int ocrdma_add_qpn_map(struct ocrdma_dev *dev, struct ocrdma_qp *qp)
int ocrdma_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
void ocrdma_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata);
-struct ib_cq *ocrdma_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata);
+int ocrdma_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata);
int ocrdma_resize_cq(struct ib_cq *, int cqe, struct ib_udata *);
void ocrdma_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata);
.resize_cq = qedr_resize_cq,
INIT_RDMA_OBJ_SIZE(ib_ah, qedr_ah, ibah),
+ INIT_RDMA_OBJ_SIZE(ib_cq, qedr_cq, ibcq),
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),
return 0;
}
-struct ib_cq *qedr_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
+int qedr_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
{
+ struct ib_device *ibdev = ibcq->device;
struct qedr_ucontext *ctx = rdma_udata_to_drv_context(
udata, struct qedr_ucontext, ibucontext);
struct qed_rdma_destroy_cq_out_params destroy_oparams;
struct qed_rdma_destroy_cq_in_params destroy_iparams;
struct qedr_dev *dev = get_qedr_dev(ibdev);
struct qed_rdma_create_cq_in_params params;
- struct qedr_create_cq_ureq ureq;
+ struct qedr_create_cq_ureq ureq = {};
int vector = attr->comp_vector;
int entries = attr->cqe;
- struct qedr_cq *cq;
+ struct qedr_cq *cq = get_qedr_cq(ibcq);
int chain_entries;
int page_cnt;
u64 pbl_ptr;
DP_ERR(dev,
"create cq: the number of entries %d is too high. Must be equal or below %d.\n",
entries, QEDR_MAX_CQES);
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
}
chain_entries = qedr_align_cq_entries(entries);
chain_entries = min_t(int, chain_entries, QEDR_MAX_CQES);
- cq = kzalloc(sizeof(*cq), GFP_KERNEL);
- if (!cq)
- return ERR_PTR(-ENOMEM);
-
if (udata) {
- memset(&ureq, 0, sizeof(ureq));
if (ib_copy_from_udata(&ureq, udata, sizeof(ureq))) {
DP_ERR(dev,
"create cq: problem copying data from user space\n");
"create cq: icid=0x%0x, addr=%p, size(entries)=0x%0x\n",
cq->icid, cq, params.cq_size);
- return &cq->ibcq;
+ return 0;
err3:
destroy_iparams.icid = cq->icid;
if (udata)
ib_umem_release(cq->q.umem);
err0:
- kfree(cq);
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
}
int qedr_resize_cq(struct ib_cq *ibcq, int new_cnt, struct ib_udata *udata)
/* GSIs CQs are handled by driver, so they don't exist in the FW */
if (cq->cq_type == QEDR_CQ_TYPE_GSI)
- goto done;
+ return;
iparams.icid = cq->icid;
dev->ops->rdma_destroy_cq(dev->rdma_ctx, &iparams, &oparams);
* Since the destroy CQ ramrod has also been received on the EQ we can
* be certain that there's no event handler in process.
*/
-done:
- cq->sig = ~cq->sig;
-
- kfree(cq);
}
static inline int get_gid_info_from_table(struct ib_qp *ibqp,
int qedr_alloc_pd(struct ib_pd *pd, struct ib_udata *udata);
void qedr_dealloc_pd(struct ib_pd *pd, struct ib_udata *udata);
-struct ib_cq *qedr_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata);
+int qedr_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata);
int qedr_resize_cq(struct ib_cq *, int cqe, struct ib_udata *);
void qedr_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata);
int qedr_arm_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags flags);
struct usnic_uiom_pd *umem_pd;
};
+struct usnic_ib_cq {
+ struct ib_cq ibcq;
+};
+
struct usnic_ib_mr {
struct ib_mr ibmr;
struct usnic_uiom_reg *umem;
.query_qp = usnic_ib_query_qp,
.reg_user_mr = usnic_ib_reg_mr,
INIT_RDMA_OBJ_SIZE(ib_pd, usnic_ib_pd, ibpd),
+ INIT_RDMA_OBJ_SIZE(ib_cq, usnic_ib_cq, ibcq),
INIT_RDMA_OBJ_SIZE(ib_ucontext, usnic_ib_ucontext, ibucontext),
};
return status;
}
-struct ib_cq *usnic_ib_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
+int usnic_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
{
- struct ib_cq *cq;
-
- usnic_dbg("\n");
if (attr->flags)
- return ERR_PTR(-EINVAL);
-
- cq = kzalloc(sizeof(*cq), GFP_KERNEL);
- if (!cq)
- return ERR_PTR(-EBUSY);
+ return -EINVAL;
- return cq;
+ return 0;
}
void usnic_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata)
{
- kfree(cq);
+ return;
}
struct ib_mr *usnic_ib_reg_mr(struct ib_pd *pd, u64 start, u64 length,
int usnic_ib_destroy_qp(struct ib_qp *qp, struct ib_udata *udata);
int usnic_ib_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
int attr_mask, struct ib_udata *udata);
-struct ib_cq *usnic_ib_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata);
+int usnic_ib_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata);
void usnic_ib_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
struct ib_mr *usnic_ib_reg_mr(struct ib_pd *pd, u64 start, u64 length,
u64 virt_addr, int access_flags,
/**
* pvrdma_create_cq - create completion queue
- * @ibdev: the device
+ * @ibcq: Allocated CQ
* @attr: completion queue attributes
* @udata: user data
*
- * @return: ib_cq completion queue pointer on success,
- * otherwise returns negative errno.
+ * @return: 0 on success
*/
-struct ib_cq *pvrdma_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
+int pvrdma_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
{
+ struct ib_device *ibdev = ibcq->device;
int entries = attr->cqe;
struct pvrdma_dev *dev = to_vdev(ibdev);
- struct pvrdma_cq *cq;
+ struct pvrdma_cq *cq = to_vcq(ibcq);
int ret;
int npages;
unsigned long flags;
union pvrdma_cmd_resp rsp;
struct pvrdma_cmd_create_cq *cmd = &req.create_cq;
struct pvrdma_cmd_create_cq_resp *resp = &rsp.create_cq_resp;
- struct pvrdma_create_cq_resp cq_resp = {0};
+ struct pvrdma_create_cq_resp cq_resp = {};
struct pvrdma_create_cq ucmd;
struct pvrdma_ucontext *context = rdma_udata_to_drv_context(
udata, struct pvrdma_ucontext, ibucontext);
entries = roundup_pow_of_two(entries);
if (entries < 1 || entries > dev->dsr->caps.max_cqe)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (!atomic_add_unless(&dev->num_cqs, 1, dev->dsr->caps.max_cq))
- return ERR_PTR(-ENOMEM);
-
- cq = kzalloc(sizeof(*cq), GFP_KERNEL);
- if (!cq) {
- atomic_dec(&dev->num_cqs);
- return ERR_PTR(-ENOMEM);
- }
+ return -ENOMEM;
cq->ibcq.cqe = entries;
cq->is_kernel = !udata;
dev_warn(&dev->pdev->dev,
"failed to copy back udata\n");
pvrdma_destroy_cq(&cq->ibcq, udata);
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
}
}
- return &cq->ibcq;
+ return 0;
err_page_dir:
pvrdma_page_dir_cleanup(dev, &cq->pdir);
ib_umem_release(cq->umem);
err_cq:
atomic_dec(&dev->num_cqs);
- kfree(cq);
-
- return ERR_PTR(ret);
+ return ret;
}
static void pvrdma_free_cq(struct pvrdma_dev *dev, struct pvrdma_cq *cq)
ib_umem_release(cq->umem);
pvrdma_page_dir_cleanup(dev, &cq->pdir);
- kfree(cq);
}
/**
.req_notify_cq = pvrdma_req_notify_cq,
INIT_RDMA_OBJ_SIZE(ib_ah, pvrdma_ah, ibah),
+ INIT_RDMA_OBJ_SIZE(ib_cq, pvrdma_cq, ibcq),
INIT_RDMA_OBJ_SIZE(ib_pd, pvrdma_pd, ibpd),
INIT_RDMA_OBJ_SIZE(ib_ucontext, pvrdma_ucontext, ibucontext),
};
u32 max_num_sg, struct ib_udata *udata);
int pvrdma_map_mr_sg(struct ib_mr *ibmr, struct scatterlist *sg,
int sg_nents, unsigned int *sg_offset);
-struct ib_cq *pvrdma_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata);
+int pvrdma_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata);
void pvrdma_destroy_cq(struct ib_cq *cq, struct ib_udata *udata);
int pvrdma_poll_cq(struct ib_cq *ibcq, int num_entries, struct ib_wc *wc);
int pvrdma_req_notify_cq(struct ib_cq *cq, enum ib_cq_notify_flags flags);
/**
* rvt_create_cq - create a completion queue
- * @ibdev: the device this completion queue is attached to
+ * @ibcq: Allocated CQ
* @attr: creation attributes
* @udata: user data for libibverbs.so
*
* Called by ib_create_cq() in the generic verbs code.
*
- * Return: pointer to the completion queue or negative errno values
- * for failure.
+ * Return: 0 on success
*/
-struct ib_cq *rvt_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
+int rvt_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
{
+ struct ib_device *ibdev = ibcq->device;
struct rvt_dev_info *rdi = ib_to_rvt(ibdev);
- struct rvt_cq *cq;
+ struct rvt_cq *cq = container_of(ibcq, struct rvt_cq, ibcq);
struct rvt_cq_wc *wc;
- struct ib_cq *ret;
u32 sz;
unsigned int entries = attr->cqe;
int comp_vector = attr->comp_vector;
+ int err;
if (attr->flags)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (entries < 1 || entries > rdi->dparms.props.max_cqe)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
if (comp_vector < 0)
comp_vector = 0;
comp_vector = comp_vector % rdi->ibdev.num_comp_vectors;
- /* Allocate the completion queue structure. */
- cq = kzalloc_node(sizeof(*cq), GFP_KERNEL, rdi->dparms.node);
- if (!cq)
- return ERR_PTR(-ENOMEM);
-
/*
* Allocate the completion queue entries and head/tail pointers.
* This is allocated separately so that it can be resized and
wc = udata ?
vmalloc_user(sz) :
vzalloc_node(sz, rdi->dparms.node);
- if (!wc) {
- ret = ERR_PTR(-ENOMEM);
- goto bail_cq;
- }
-
+ if (!wc)
+ return -ENOMEM;
/*
* Return the address of the WC as the offset to mmap.
* See rvt_mmap() for details.
*/
if (udata && udata->outlen >= sizeof(__u64)) {
- int err;
-
cq->ip = rvt_create_mmap_info(rdi, sz, udata, wc);
if (!cq->ip) {
- ret = ERR_PTR(-ENOMEM);
+ err = -ENOMEM;
goto bail_wc;
}
err = ib_copy_to_udata(udata, &cq->ip->offset,
sizeof(cq->ip->offset));
- if (err) {
- ret = ERR_PTR(err);
+ if (err)
goto bail_ip;
- }
}
spin_lock_irq(&rdi->n_cqs_lock);
if (rdi->n_cqs_allocated == rdi->dparms.props.max_cq) {
spin_unlock_irq(&rdi->n_cqs_lock);
- ret = ERR_PTR(-ENOMEM);
+ err = -ENOMEM;
goto bail_ip;
}
INIT_WORK(&cq->comptask, send_complete);
cq->queue = wc;
- ret = &cq->ibcq;
-
trace_rvt_create_cq(cq, attr);
- goto done;
+ return 0;
bail_ip:
kfree(cq->ip);
bail_wc:
vfree(wc);
-bail_cq:
- kfree(cq);
-done:
- return ret;
+ return err;
}
/**
kref_put(&cq->ip->ref, rvt_release_mmap_info);
else
vfree(cq->queue);
- kfree(cq);
}
/**
#include <rdma/rdma_vt.h>
#include <rdma/rdmavt_cq.h>
-struct ib_cq *rvt_create_cq(struct ib_device *ibdev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata);
+int rvt_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata);
void rvt_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata);
int rvt_req_notify_cq(struct ib_cq *ibcq, enum ib_cq_notify_flags notify_flags);
int rvt_resize_cq(struct ib_cq *ibcq, int cqe, struct ib_udata *udata);
.unmap_fmr = rvt_unmap_fmr,
INIT_RDMA_OBJ_SIZE(ib_ah, rvt_ah, ibah),
+ INIT_RDMA_OBJ_SIZE(ib_cq, rvt_cq, ibcq),
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),
[RXE_TYPE_CQ] = {
.name = "rxe-cq",
.size = sizeof(struct rxe_cq),
+ .flags = RXE_POOL_NO_ALLOC,
.cleanup = rxe_cq_cleanup,
},
[RXE_TYPE_MR] = {
return err;
}
-static struct ib_cq *rxe_create_cq(struct ib_device *dev,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata)
+static int rxe_create_cq(struct ib_cq *ibcq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata)
{
int err;
+ struct ib_device *dev = ibcq->device;
struct rxe_dev *rxe = to_rdev(dev);
- struct rxe_cq *cq;
+ struct rxe_cq *cq = to_rcq(ibcq);
struct rxe_create_cq_resp __user *uresp = NULL;
if (udata) {
if (udata->outlen < sizeof(*uresp))
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
uresp = udata->outbuf;
}
if (attr->flags)
- return ERR_PTR(-EINVAL);
+ return -EINVAL;
err = rxe_cq_chk_attr(rxe, NULL, attr->cqe, attr->comp_vector);
if (err)
- goto err1;
-
- cq = rxe_alloc(&rxe->cq_pool);
- if (!cq) {
- err = -ENOMEM;
- goto err1;
- }
+ return err;
err = rxe_cq_from_init(rxe, cq, attr->cqe, attr->comp_vector, udata,
uresp);
if (err)
- goto err2;
-
- return &cq->ibcq;
+ return err;
-err2:
- rxe_drop_ref(cq);
-err1:
- return ERR_PTR(err);
+ return rxe_add_to_pool(&rxe->cq_pool, &cq->pelem);
}
static void rxe_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata)
.resize_cq = rxe_resize_cq,
INIT_RDMA_OBJ_SIZE(ib_ah, rxe_ah, ibah),
+ INIT_RDMA_OBJ_SIZE(ib_cq, rxe_cq, ibcq),
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),
};
struct rxe_cq {
- struct rxe_pool_entry pelem;
struct ib_cq ibcq;
+ struct rxe_pool_entry pelem;
struct rxe_queue *queue;
spinlock_t cq_lock;
u8 notify;
int (*query_qp)(struct ib_qp *qp, struct ib_qp_attr *qp_attr,
int qp_attr_mask, struct ib_qp_init_attr *qp_init_attr);
int (*destroy_qp)(struct ib_qp *qp, struct ib_udata *udata);
- struct ib_cq *(*create_cq)(struct ib_device *device,
- const struct ib_cq_init_attr *attr,
- struct ib_udata *udata);
+ int (*create_cq)(struct ib_cq *cq, const struct ib_cq_init_attr *attr,
+ struct ib_udata *udata);
int (*modify_cq)(struct ib_cq *cq, u16 cq_count, u16 cq_period);
void (*destroy_cq)(struct ib_cq *cq, struct ib_udata *udata);
int (*resize_cq)(struct ib_cq *cq, int cqe, struct ib_udata *udata);
int (*iw_destroy_listen)(struct iw_cm_id *cm_id);
DECLARE_RDMA_OBJ_SIZE(ib_ah);
+ DECLARE_RDMA_OBJ_SIZE(ib_cq);
DECLARE_RDMA_OBJ_SIZE(ib_pd);
DECLARE_RDMA_OBJ_SIZE(ib_srq);
DECLARE_RDMA_OBJ_SIZE(ib_ucontext);
projects / platform / kernel / linux-rpi.git / commitdiff