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Diffstat (limited to 'include/uapi/rdma/rdma_user_ioctl_cmds.h')
-rw-r--r--include/uapi/rdma/rdma_user_ioctl_cmds.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/include/uapi/rdma/rdma_user_ioctl_cmds.h b/include/uapi/rdma/rdma_user_ioctl_cmds.h
index 24800c6c1f32..06c34d99be85 100644
--- a/include/uapi/rdma/rdma_user_ioctl_cmds.h
+++ b/include/uapi/rdma/rdma_user_ioctl_cmds.h
@@ -53,7 +53,7 @@ enum {
struct ib_uverbs_attr {
__u16 attr_id; /* command specific type attribute */
- __u16 len; /* only for pointers */
+ __u16 len; /* only for pointers and IDRs array */
__u16 flags; /* combination of UVERBS_ATTR_F_XXXX */
union {
struct {
@@ -63,7 +63,10 @@ struct ib_uverbs_attr {
__u16 reserved;
} attr_data;
union {
- /* Used by PTR_IN/OUT, ENUM_IN and IDR */
+ /*
+ * ptr to command, inline data, idr/fd or
+ * ptr to __u32 array of IDRs
+ */
__aligned_u64 data;
/* Used by FD_IN and FD_OUT */
__s64 data_s64;