Remove the wait register opcode and add region registration
bits.
Signed-off-by: Pavel Begunkov <asml.silence@xxxxxxxxx>
---
src/include/liburing/io_uring.h | 27 ++++++++++++++++++++++++++-
1 file changed, 26 insertions(+), 1 deletion(-)
diff --git a/src/include/liburing/io_uring.h b/src/include/liburing/io_uring.h
index 20bc570..b2adc3f 100644
--- a/src/include/liburing/io_uring.h
+++ b/src/include/liburing/io_uring.h
@@ -615,7 +615,7 @@ enum io_uring_register_op {
IORING_REGISTER_RESIZE_RINGS = 33,
- IORING_REGISTER_CQWAIT_REG = 34,
+ IORING_REGISTER_MEM_REGION = 34,
/* this goes last */
IORING_REGISTER_LAST,
@@ -637,6 +637,31 @@ struct io_uring_files_update {
__aligned_u64 /* __s32 * */ fds;
};
+enum {
+ /* initialise with user provided memory pointed by user_addr */
+ IORING_MEM_REGION_TYPE_USER = 1,
+};
+
+struct io_uring_region_desc {
+ __u64 user_addr;
+ __u64 size;
+ __u32 flags;
+ __u32 id;
+ __u64 mmap_offset;
+ __u64 __resv[4];
+};
+
+enum {
+ /* expose the region as registered wait arguments */
+ IORING_MEM_REGION_REG_WAIT_ARG = 1,
+};
+
+struct io_uring_mem_region_reg {
+ __u64 region_uptr; /* struct io_uring_region_desc * */
+ __u64 flags;
+ __u64 __resv[2];
+};
+
/*
* Register a fully sparse file space, rather than pass in an array of all
* -1 file descriptors.
--
2.46.0
