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path: root/drivers/infiniband/core/verbs.c
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Diffstat (limited to 'drivers/infiniband/core/verbs.c')
-rw-r--r--drivers/infiniband/core/verbs.c21
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/infiniband/core/verbs.c b/drivers/infiniband/core/verbs.c
index c18634bec212..26b021f43ba4 100644
--- a/drivers/infiniband/core/verbs.c
+++ b/drivers/infiniband/core/verbs.c
@@ -268,9 +268,6 @@ struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags,
return ERR_PTR(-ENOMEM);
pd->device = device;
- pd->uobject = NULL;
- pd->__internal_mr = NULL;
- atomic_set(&pd->usecnt, 0);
pd->flags = flags;
rdma_restrack_new(&pd->res, RDMA_RESTRACK_PD);
@@ -284,7 +281,7 @@ struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags,
}
rdma_restrack_add(&pd->res);
- if (device->attrs.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY)
+ if (device->attrs.kernel_cap_flags & IBK_LOCAL_DMA_LKEY)
pd->local_dma_lkey = device->local_dma_lkey;
else
mr_access_flags |= IB_ACCESS_LOCAL_WRITE;
@@ -311,7 +308,7 @@ struct ib_pd *__ib_alloc_pd(struct ib_device *device, unsigned int flags,
pd->__internal_mr = mr;
- if (!(device->attrs.device_cap_flags & IB_DEVICE_LOCAL_DMA_LKEY))
+ if (!(device->attrs.kernel_cap_flags & IBK_LOCAL_DMA_LKEY))
pd->local_dma_lkey = pd->__internal_mr->lkey;
if (flags & IB_PD_UNSAFE_GLOBAL_RKEY)
@@ -341,11 +338,6 @@ int ib_dealloc_pd_user(struct ib_pd *pd, struct ib_udata *udata)
pd->__internal_mr = NULL;
}
- /* uverbs manipulates usecnt with proper locking, while the kabi
- * requires the caller to guarantee we can't race here.
- */
- WARN_ON(atomic_read(&pd->usecnt));
-
ret = pd->device->ops.dealloc_pd(pd, udata);
if (ret)
return ret;
@@ -1046,7 +1038,7 @@ struct ib_srq *ib_create_srq_user(struct ib_pd *pd,
ret = pd->device->ops.create_srq(srq, srq_init_attr, udata);
if (ret) {
rdma_restrack_put(&srq->res);
- atomic_dec(&srq->pd->usecnt);
+ atomic_dec(&pd->usecnt);
if (srq->srq_type == IB_SRQT_XRC && srq->ext.xrc.xrcd)
atomic_dec(&srq->ext.xrc.xrcd->usecnt);
if (ib_srq_has_cq(srq->srq_type))
@@ -2139,8 +2131,8 @@ struct ib_mr *ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
struct ib_mr *mr;
if (access_flags & IB_ACCESS_ON_DEMAND) {
- if (!(pd->device->attrs.device_cap_flags &
- IB_DEVICE_ON_DEMAND_PAGING)) {
+ if (!(pd->device->attrs.kernel_cap_flags &
+ IBK_ON_DEMAND_PAGING)) {
pr_debug("ODP support not available\n");
return ERR_PTR(-EINVAL);
}
@@ -2153,9 +2145,12 @@ struct ib_mr *ib_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
return mr;
mr->device = pd->device;
+ mr->type = IB_MR_TYPE_USER;
mr->pd = pd;
mr->dm = NULL;
atomic_inc(&pd->usecnt);
+ mr->iova = virt_addr;
+ mr->length = length;
rdma_restrack_new(&mr->res, RDMA_RESTRACK_MR);
rdma_restrack_parent_name(&mr->res, &pd->res);