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| author | Gabriel Krisman Bertazi <krisman@suse.de> | 2024-06-14 12:30:47 -0400 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2024-06-19 07:57:21 -0600 |
| commit | ff140cc8628abfb1755691d16cfa8788d8820ef7 (patch) | |
| tree | c18b9786fa8a5187fc6e44a2e03704b13993f198 /io_uring/opdef.c | |
| parent | 7481fd93fa0a851740e26026485f56a1305454ce (diff) | |
| download | lwn-ff140cc8628abfb1755691d16cfa8788d8820ef7.tar.gz lwn-ff140cc8628abfb1755691d16cfa8788d8820ef7.zip | |
io_uring: Introduce IORING_OP_LISTEN
IORING_OP_LISTEN provides the semantic of listen(2) via io_uring. While
this is an essentially synchronous system call, the main point is to
enable a network path to execute fully with io_uring registered and
descriptorless files.
Signed-off-by: Gabriel Krisman Bertazi <krisman@suse.de>
Link: https://lore.kernel.org/r/20240614163047.31581-4-krisman@suse.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/opdef.c')
| -rw-r--r-- | io_uring/opdef.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/io_uring/opdef.c b/io_uring/opdef.c index 1424c2d9e9ef..2dd49cf22f64 100644 --- a/io_uring/opdef.c +++ b/io_uring/opdef.c @@ -505,6 +505,16 @@ const struct io_issue_def io_issue_defs[] = { .prep = io_eopnotsupp_prep, #endif }, + [IORING_OP_LISTEN] = { +#if defined(CONFIG_NET) + .needs_file = 1, + .prep = io_listen_prep, + .issue = io_listen, + .async_size = sizeof(struct io_async_msghdr), +#else + .prep = io_eopnotsupp_prep, +#endif + }, }; const struct io_cold_def io_cold_defs[] = { @@ -729,6 +739,9 @@ const struct io_cold_def io_cold_defs[] = { [IORING_OP_BIND] = { .name = "BIND", }, + [IORING_OP_LISTEN] = { + .name = "LISTEN", + }, }; const char *io_uring_get_opcode(u8 opcode) |