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authorIra Weiny <ira.weiny@intel.com>2014-08-08 23:00:56 (GMT)
committerRoland Dreier <roland@purestorage.com>2014-08-11 03:36:00 (GMT)
commit1471cb6ca67990a306500e69e52ffb28c93ccbbc (patch)
tree6d9dba8e122759ff4a193487aae516a300e563f1 /include
parent0f29b46d49b0ca50536632c6a33986c3171f5ea1 (diff)
downloadlinux-1471cb6ca67990a306500e69e52ffb28c93ccbbc.tar.xz
IB/mad: Add user space RMPP support
Using the new registration mechanism, define a flag that indicates the user wishes to process RMPP messages in user space rather than have the kernel process them. Signed-off-by: Ira Weiny <ira.weiny@intel.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
Diffstat (limited to 'include')
-rw-r--r--include/rdma/ib_mad.h11
-rw-r--r--include/uapi/rdma/ib_user_mad.h5
2 files changed, 15 insertions, 1 deletions
diff --git a/include/rdma/ib_mad.h b/include/rdma/ib_mad.h
index 876f497..9bb99e9 100644
--- a/include/rdma/ib_mad.h
+++ b/include/rdma/ib_mad.h
@@ -40,6 +40,7 @@
#include <linux/list.h>
#include <rdma/ib_verbs.h>
+#include <uapi/rdma/ib_user_mad.h>
/* Management base version */
#define IB_MGMT_BASE_VERSION 1
@@ -359,6 +360,9 @@ typedef void (*ib_mad_recv_handler)(struct ib_mad_agent *mad_agent,
* @port_num: Port number on which QP is registered
* @rmpp_version: If set, indicates the RMPP version used by this agent.
*/
+enum {
+ IB_MAD_USER_RMPP = IB_USER_MAD_USER_RMPP,
+};
struct ib_mad_agent {
struct ib_device *device;
struct ib_qp *qp;
@@ -666,4 +670,11 @@ void *ib_get_rmpp_segment(struct ib_mad_send_buf *send_buf, int seg_num);
*/
void ib_free_send_mad(struct ib_mad_send_buf *send_buf);
+/**
+ * ib_mad_kernel_rmpp_agent - Returns if the agent is performing RMPP.
+ * @agent: the agent in question
+ * @return: true if agent is performing rmpp, false otherwise.
+ */
+int ib_mad_kernel_rmpp_agent(struct ib_mad_agent *agent);
+
#endif /* IB_MAD_H */
diff --git a/include/uapi/rdma/ib_user_mad.h b/include/uapi/rdma/ib_user_mad.h
index c00b081..09f809f 100644
--- a/include/uapi/rdma/ib_user_mad.h
+++ b/include/uapi/rdma/ib_user_mad.h
@@ -213,7 +213,10 @@ struct ib_user_mad_reg_req {
* used.
* @rmpp_version - If set, indicates the RMPP version to use.
*/
-#define IB_USER_MAD_REG_FLAGS_CAP (0)
+enum {
+ IB_USER_MAD_USER_RMPP = (1 << 0),
+};
+#define IB_USER_MAD_REG_FLAGS_CAP (IB_USER_MAD_USER_RMPP)
struct ib_user_mad_reg_req2 {
__u32 id;
__u32 qpn;