path: root/include/rdma/uverbs_types.h
diff options
authorMatan Barak <matanb@mellanox.com>2017-04-04 13:31:46 +0300
committerDoug Ledford <dledford@redhat.com>2017-04-05 13:28:04 -0400
commitcf8966b3477d5e6545393bb4499f2051ea554c62 (patch)
tree35603e0915ee4d20c591b4bdcbf7e6afc81f7834 /include/rdma/uverbs_types.h
parentIB/core: Add lock to multicast handlers (diff)
IB/core: Add support for fd objects
The completion channel we use in verbs infrastructure is FD based. Previously, we had a separate way to manage this object. Since we strive for a single way to manage any kind of object in this infrastructure, we conceptually treat all objects as subclasses of ib_uobject. This commit adds the necessary mechanism to support FD based objects like their IDR counterparts. FD objects release need to be synchronized with context release. We use the cleanup_mutex on the uverbs_file for that. Signed-off-by: Matan Barak <matanb@mellanox.com> Reviewed-by: Yishai Hadas <yishaih@mellanox.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'include/rdma/uverbs_types.h')
1 files changed, 16 insertions, 0 deletions
diff --git a/include/rdma/uverbs_types.h b/include/rdma/uverbs_types.h
index 66368b5a3006..58674290fab0 100644
--- a/include/rdma/uverbs_types.h
+++ b/include/rdma/uverbs_types.h
@@ -129,6 +129,22 @@ void rdma_alloc_abort_uobject(struct ib_uobject *uobj);
int __must_check rdma_remove_commit_uobject(struct ib_uobject *uobj);
int rdma_alloc_commit_uobject(struct ib_uobject *uobj);
+struct uverbs_obj_fd_type {
+ /*
+ * In fd based objects, uverbs_obj_type_ops points to generic
+ * fd operations. In order to specialize the underlying types (e.g.
+ * completion_channel), we use fops, name and flags for fd creation.
+ * context_closed is called when the context is closed either when
+ * the driver is removed or the process terminated.
+ */
+ struct uverbs_obj_type type;
+ int (*context_closed)(struct ib_uobject_file *uobj_file,
+ enum rdma_remove_reason why);
+ const struct file_operations *fops;
+ const char *name;
+ int flags;
extern const struct uverbs_obj_type_class uverbs_idr_class;
#define UVERBS_BUILD_BUG_ON(cond) (sizeof(char[1 - 2 * !!(cond)]) - \