io_uring: add IORING_SETUP_SINGLE_ISSUER

[platform/kernel/linux-starfive.git] / include / uapi / linux / io_uring.h

diff --git a/include/uapi/linux/io_uring.h b/include/uapi/linux/io_uring.h
index 4927bb6..d7ae81b 100644 (file)
--- a/include/uapi/linux/io_uring.h
+++ b/include/uapi/linux/io_uring.h
@@ -140,9 +140,12 @@ enum {
  * IORING_SQ_TASKRUN in the sq ring flags. Not valid with COOP_TASKRUN.
  */
 #define IORING_SETUP_TASKRUN_FLAG      (1U << 9)
-
 #define IORING_SETUP_SQE128            (1U << 10) /* SQEs are 128 byte */
 #define IORING_SETUP_CQE32             (1U << 11) /* CQEs are 32 byte */
+/*
+ * Only one task is allowed to submit requests
+ */
+#define IORING_SETUP_SINGLE_ISSUER     (1U << 12)
 
 enum io_uring_op {
        IORING_OP_NOP,