aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/infiniband/core/cq.c
diff options
context:
space:
mode:
authorLeon Romanovsky <leonro@mellanox.com>2020-09-07 15:09:17 +0300
committerJason Gunthorpe <jgg@nvidia.com>2020-09-09 14:14:28 -0300
commit7e3c66c9a989d5b53387ceebc88b9e4a9b1d6434 (patch)
tree96656531f93acff8cecbff6c083c2e8c3d374f09 /drivers/infiniband/core/cq.c
parentRDMA: Restore ability to fail on SRQ destroy (diff)
downloadlinux-dev-7e3c66c9a989d5b53387ceebc88b9e4a9b1d6434.tar.xz
linux-dev-7e3c66c9a989d5b53387ceebc88b9e4a9b1d6434.zip
RDMA/core: Delete function indirection for alloc/free kernel CQ
The ib_alloc_cq*() and ib_free_cq*() are solely kernel verbs to manage CQs and doesn't need extra indirection just to call same functions with constant parameter NULL as udata. Link: https://lore.kernel.org/r/20200907120921.476363-6-leon@kernel.org Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/core/cq.c')
-rw-r--r--drivers/infiniband/core/cq.c27
1 files changed, 12 insertions, 15 deletions
diff --git a/drivers/infiniband/core/cq.c b/drivers/infiniband/core/cq.c
index 513825e424bf..ab556407803c 100644
--- a/drivers/infiniband/core/cq.c
+++ b/drivers/infiniband/core/cq.c
@@ -197,24 +197,22 @@ static void ib_cq_completion_workqueue(struct ib_cq *cq, void *private)
}
/**
- * __ib_alloc_cq_user - allocate a completion queue
+ * __ib_alloc_cq allocate a completion queue
* @dev: device to allocate the CQ for
* @private: driver private data, accessible from cq->cq_context
* @nr_cqe: number of CQEs to allocate
* @comp_vector: HCA completion vectors for this CQ
* @poll_ctx: context to poll the CQ from.
* @caller: module owner name.
- * @udata: Valid user data or NULL for kernel object
*
* This is the proper interface to allocate a CQ for in-kernel users. A
* CQ allocated with this interface will automatically be polled from the
* specified context. The ULP must use wr->wr_cqe instead of wr->wr_id
* to use this CQ abstraction.
*/
-struct ib_cq *__ib_alloc_cq_user(struct ib_device *dev, void *private,
- int nr_cqe, int comp_vector,
- enum ib_poll_context poll_ctx,
- const char *caller, struct ib_udata *udata)
+struct ib_cq *__ib_alloc_cq(struct ib_device *dev, void *private, int nr_cqe,
+ int comp_vector, enum ib_poll_context poll_ctx,
+ const char *caller)
{
struct ib_cq_init_attr cq_attr = {
.cqe = nr_cqe,
@@ -277,7 +275,7 @@ struct ib_cq *__ib_alloc_cq_user(struct ib_device *dev, void *private,
out_destroy_cq:
rdma_dim_destroy(cq);
rdma_restrack_del(&cq->res);
- cq->device->ops.destroy_cq(cq, udata);
+ cq->device->ops.destroy_cq(cq, NULL);
out_free_wc:
kfree(cq->wc);
out_free_cq:
@@ -285,7 +283,7 @@ out_free_cq:
trace_cq_alloc_error(nr_cqe, comp_vector, poll_ctx, ret);
return ERR_PTR(ret);
}
-EXPORT_SYMBOL(__ib_alloc_cq_user);
+EXPORT_SYMBOL(__ib_alloc_cq);
/**
* __ib_alloc_cq_any - allocate a completion queue
@@ -310,17 +308,16 @@ struct ib_cq *__ib_alloc_cq_any(struct ib_device *dev, void *private,
atomic_inc_return(&counter) %
min_t(int, dev->num_comp_vectors, num_online_cpus());
- return __ib_alloc_cq_user(dev, private, nr_cqe, comp_vector, poll_ctx,
- caller, NULL);
+ return __ib_alloc_cq(dev, private, nr_cqe, comp_vector, poll_ctx,
+ caller);
}
EXPORT_SYMBOL(__ib_alloc_cq_any);
/**
- * ib_free_cq_user - free a completion queue
+ * ib_free_cq - free a completion queue
* @cq: completion queue to free.
- * @udata: User data or NULL for kernel object
*/
-void ib_free_cq_user(struct ib_cq *cq, struct ib_udata *udata)
+void ib_free_cq(struct ib_cq *cq)
{
if (WARN_ON_ONCE(atomic_read(&cq->usecnt)))
return;
@@ -344,11 +341,11 @@ void ib_free_cq_user(struct ib_cq *cq, struct ib_udata *udata)
rdma_dim_destroy(cq);
trace_cq_free(cq);
rdma_restrack_del(&cq->res);
- cq->device->ops.destroy_cq(cq, udata);
+ cq->device->ops.destroy_cq(cq, NULL);
kfree(cq->wc);
kfree(cq);
}
-EXPORT_SYMBOL(ib_free_cq_user);
+EXPORT_SYMBOL(ib_free_cq);
void ib_cq_pool_init(struct ib_device *dev)
{