diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2025-04-20 10:31:18 +0100 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2025-04-21 05:11:40 -0600 |
| commit | 77231d4e46555d30289b1909c2a2f26bcf00f08c (patch) | |
| tree | afba28ed2b3a865aa22e8576515639ed07201246 /io_uring/zcrx.h | |
| parent | 59bc1ab922bbb36558292c204e56ab951e833384 (diff) | |
io_uring/zcrx: let zcrx choose region for mmaping
In preparation for adding multiple ifqs, add a helper returning a region
for mmaping zcrx refill queue. For now it's trivial and returns the same
ctx global ->zcrx_region.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/d9006e2ef8cd5e5b337c2ba2228ede8409eb60f2.1745141261.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/zcrx.h')
| -rw-r--r-- | io_uring/zcrx.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/io_uring/zcrx.h b/io_uring/zcrx.h index f2bc811f022c..43134e5c9213 100644 --- a/io_uring/zcrx.h +++ b/io_uring/zcrx.h @@ -49,6 +49,8 @@ void io_shutdown_zcrx_ifqs(struct io_ring_ctx *ctx); int io_zcrx_recv(struct io_kiocb *req, struct io_zcrx_ifq *ifq, struct socket *sock, unsigned int flags, unsigned issue_flags, unsigned int *len); +struct io_mapped_region *io_zcrx_get_region(struct io_ring_ctx *ctx, + unsigned int id); #else static inline int io_register_zcrx_ifq(struct io_ring_ctx *ctx, struct io_uring_zcrx_ifq_reg __user *arg) @@ -67,6 +69,11 @@ static inline int io_zcrx_recv(struct io_kiocb *req, struct io_zcrx_ifq *ifq, { return -EOPNOTSUPP; } +static inline struct io_mapped_region *io_zcrx_get_region(struct io_ring_ctx *ctx, + unsigned int id) +{ + return NULL; +} #endif int io_recvzc(struct io_kiocb *req, unsigned int issue_flags); |