diff options
| author | Sean Hefty <sean.hefty@intel.com> | 2011-05-24 08:33:46 -0700 |
|---|---|---|
| committer | Roland Dreier <roland@purestorage.com> | 2011-10-13 09:21:24 -0700 |
| commit | 53d0bd1e7ff2fc626321f337c609fb76ae5d12c9 (patch) | |
| tree | 92f117b0356cebeb56c42cc76f0fb7ab84cc779a /drivers/infiniband/core/uverbs.h | |
| parent | d3d72d909e783d048ee39046aa7b4fa798a4dda8 (diff) | |
RDMA/uverbs: Export XRC domains to user space
Allow user space to create XRC domains. Because XRCDs are expected to
be shared among multiple processes, we use inodes to identify an XRCD.
Based on patches by Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Sean Hefty <sean.hefty@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'drivers/infiniband/core/uverbs.h')
| -rw-r--r-- | drivers/infiniband/core/uverbs.h | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/infiniband/core/uverbs.h b/drivers/infiniband/core/uverbs.h index a078e5624d22..461e2f357c1e 100644 --- a/drivers/infiniband/core/uverbs.h +++ b/drivers/infiniband/core/uverbs.h @@ -76,6 +76,8 @@ struct ib_uverbs_device { struct ib_device *ib_dev; int devnum; struct cdev cdev; + struct rb_root xrcd_tree; + struct mutex xrcd_tree_mutex; }; struct ib_uverbs_event_file { @@ -120,6 +122,11 @@ struct ib_uevent_object { u32 events_reported; }; +struct ib_uxrcd_object { + struct ib_uobject uobject; + atomic_t refcnt; +}; + struct ib_uqp_object { struct ib_uevent_object uevent; struct list_head mcast_list; @@ -142,6 +149,7 @@ extern struct idr ib_uverbs_ah_idr; extern struct idr ib_uverbs_cq_idr; extern struct idr ib_uverbs_qp_idr; extern struct idr ib_uverbs_srq_idr; +extern struct idr ib_uverbs_xrcd_idr; void idr_remove_uobj(struct idr *idp, struct ib_uobject *uobj); @@ -161,6 +169,7 @@ void ib_uverbs_qp_event_handler(struct ib_event *event, void *context_ptr); void ib_uverbs_srq_event_handler(struct ib_event *event, void *context_ptr); void ib_uverbs_event_handler(struct ib_event_handler *handler, struct ib_event *event); +void ib_uverbs_dealloc_xrcd(struct ib_uverbs_device *dev, struct ib_xrcd *xrcd); #define IB_UVERBS_DECLARE_CMD(name) \ ssize_t ib_uverbs_##name(struct ib_uverbs_file *file, \ @@ -195,5 +204,7 @@ IB_UVERBS_DECLARE_CMD(create_srq); IB_UVERBS_DECLARE_CMD(modify_srq); IB_UVERBS_DECLARE_CMD(query_srq); IB_UVERBS_DECLARE_CMD(destroy_srq); +IB_UVERBS_DECLARE_CMD(open_xrcd); +IB_UVERBS_DECLARE_CMD(close_xrcd); #endif /* UVERBS_H */ |