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io_uring: support CQE32 in io_uring_cqe
This adds the big_cqe array to the struct io_uring_cqe to support large CQE's. Co-developed-by: Jens Axboe <axboe@kernel.dk> Signed-off-by: Stefan Roesch <shr@fb.com> Reviewed-by: Kanchan Joshi <joshi.k@samsung.com> Link: https://lore.kernel.org/r/20220426182134.136504-2-shr@fb.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
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@ -126,6 +126,7 @@ enum {
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#define IORING_SETUP_TASKRUN_FLAG (1U << 9)
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#define IORING_SETUP_SQE128 (1U << 10) /* SQEs are 128 byte */
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#define IORING_SETUP_CQE32 (1U << 11) /* CQEs are 32 byte */
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enum io_uring_op {
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IORING_OP_NOP,
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@ -245,6 +246,12 @@ struct io_uring_cqe {
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__u64 user_data; /* sqe->data submission passed back */
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__s32 res; /* result code for this event */
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__u32 flags;
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/*
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* If the ring is initialized with IORING_SETUP_CQE32, then this field
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* contains 16-bytes of padding, doubling the size of the CQE.
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*/
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__u64 big_cqe[];
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};
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/*
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