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path: root/drivers/infiniband/hw/efa/efa_verbs.c
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Diffstat (limited to 'drivers/infiniband/hw/efa/efa_verbs.c')
-rw-r--r--drivers/infiniband/hw/efa/efa_verbs.c48
1 files changed, 14 insertions, 34 deletions
diff --git a/drivers/infiniband/hw/efa/efa_verbs.c b/drivers/infiniband/hw/efa/efa_verbs.c
index 42865cf4f149..a9372c9e4b30 100644
--- a/drivers/infiniband/hw/efa/efa_verbs.c
+++ b/drivers/infiniband/hw/efa/efa_verbs.c
@@ -859,8 +859,6 @@ void efa_destroy_cq(struct ib_cq *ibcq, struct ib_udata *udata)
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,
@@ -876,17 +874,20 @@ 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);
@@ -944,19 +945,13 @@ static struct ib_cq *do_create_cq(struct ib_device *ibdev, int 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;
@@ -975,8 +970,8 @@ static struct ib_cq *do_create_cq(struct ib_device *ibdev, int entries,
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;
}
@@ -992,11 +987,10 @@ static struct ib_cq *do_create_cq(struct ib_device *ibdev, int entries,
}
}
- 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);
@@ -1005,23 +999,9 @@ err_free_mapped:
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,