* [PATCH] liburing: sync pi attributes with kernel uapi
@ 2025-11-20 15:24 Keith Busch
2025-11-20 15:27 ` Jens Axboe
0 siblings, 1 reply; 2+ messages in thread
From: Keith Busch @ 2025-11-20 15:24 UTC (permalink / raw)
To: io-uring, axboe; +Cc: Keith Busch
From: Keith Busch <kbusch@kernel.org>
These were introduced in kernel release 6.13.
Signed-off-by: Keith Busch <kbusch@kernel.org>
---
src/include/liburing/io_uring.h | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
diff --git a/src/include/liburing/io_uring.h b/src/include/liburing/io_uring.h
index 44ce8229..a54e5b42 100644
--- a/src/include/liburing/io_uring.h
+++ b/src/include/liburing/io_uring.h
@@ -100,6 +100,10 @@ struct io_uring_sqe {
__u64 addr3;
__u64 __pad2[1];
};
+ struct {
+ __u64 attr_ptr; /* pointer to attribute information */
+ __u64 attr_type_mask; /* bit mask of attributes */
+ };
__u64 optval;
/*
* If the ring is initialized with IORING_SETUP_SQE128, then
@@ -109,6 +113,18 @@ struct io_uring_sqe {
};
};
+/* sqe->attr_type_mask flags */
+#define IORING_RW_ATTR_FLAG_PI (1U << 0)
+/* PI attribute information */
+struct io_uring_attr_pi {
+ __u16 flags;
+ __u16 app_tag;
+ __u32 len;
+ __u64 addr;
+ __u64 seed;
+ __u64 rsvd;
+};
+
/*
* If sqe->file_index is set to this for opcodes that instantiate a new
* direct descriptor (like openat/openat2/accept), then io_uring will allocate
--
2.47.3
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2025-11-20 15:27 ` Jens Axboe
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