From: Pavel Begunkov <[email protected]>
To: Song Liu <[email protected]>
Cc: "[email protected]" <[email protected]>,
Networking <[email protected]>,
"[email protected]" <[email protected]>,
"[email protected]" <[email protected]>,
Jens Axboe <[email protected]>, Alexei Starovoitov <[email protected]>,
Daniel Borkmann <[email protected]>,
Andrii Nakryiko <[email protected]>, Martin Lau <[email protected]>,
Yonghong Song <[email protected]>,
John Fastabend <[email protected]>,
KP Singh <[email protected]>,
Horst Schirmeier <[email protected]>,
"Franz-B . Tuneke" <[email protected]>,
Christian Dietrich <[email protected]>
Subject: Re: [PATCH 13/23] io_uring: implement bpf prog registration
Date: Fri, 21 May 2021 01:43:30 +0100 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
On 5/21/21 12:45 AM, Song Liu wrote:
>> On May 19, 2021, at 7:13 AM, Pavel Begunkov <[email protected]> wrote:
>>
>> [de]register BPF programs through io_uring_register() with new
>> IORING_ATTACH_BPF and IORING_DETACH_BPF commands.
>>
>> Signed-off-by: Pavel Begunkov <[email protected]>
>> ---
>> fs/io_uring.c | 81 +++++++++++++++++++++++++++++++++++
>> include/uapi/linux/io_uring.h | 2 +
>> 2 files changed, 83 insertions(+)
>>
>> diff --git a/fs/io_uring.c b/fs/io_uring.c
>> index 882b16b5e5eb..b13cbcd5c47b 100644
>> --- a/fs/io_uring.c
>> +++ b/fs/io_uring.c
>> @@ -78,6 +78,7 @@
>> #include <linux/task_work.h>
>> #include <linux/pagemap.h>
>> #include <linux/io_uring.h>
>> +#include <linux/bpf.h>
>>
>> #define CREATE_TRACE_POINTS
>> #include <trace/events/io_uring.h>
>> @@ -103,6 +104,8 @@
>> #define IORING_MAX_RESTRICTIONS (IORING_RESTRICTION_LAST + \
>> IORING_REGISTER_LAST + IORING_OP_LAST)
>>
>> +#define IORING_MAX_BPF_PROGS 100
>
> Is 100 a realistic number here?
Arbitrary test value, will update
>
>> +
>> #define SQE_VALID_FLAGS (IOSQE_FIXED_FILE|IOSQE_IO_DRAIN|IOSQE_IO_LINK| \
>> IOSQE_IO_HARDLINK | IOSQE_ASYNC | \
>> IOSQE_BUFFER_SELECT)
>> @@ -266,6 +269,10 @@ struct io_restriction {
>> bool registered;
>> };
>>
>
> [...]
>
--
Pavel Begunkov
next prev parent reply other threads:[~2021-05-21 0:43 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-19 14:13 [RFC v2 00/23] io_uring BPF requests Pavel Begunkov
2021-05-19 14:13 ` [PATCH 01/23] io_uring: shuffle rarely used ctx fields Pavel Begunkov
2021-05-20 21:46 ` Song Liu
2021-05-20 22:46 ` Pavel Begunkov
2021-05-19 14:13 ` [PATCH 02/23] io_uring: localise fixed resources fields Pavel Begunkov
2021-05-19 14:13 ` [PATCH 03/23] io_uring: remove dependency on ring->sq/cq_entries Pavel Begunkov
2021-05-19 14:13 ` [PATCH 04/23] io_uring: deduce cq_mask from cq_entries Pavel Begunkov
2021-05-19 14:13 ` [PATCH 05/23] io_uring: kill cached_cq_overflow Pavel Begunkov
2021-05-19 14:13 ` [PATCH 06/23] io_uring: rename io_get_cqring Pavel Begunkov
2021-05-19 14:13 ` [PATCH 07/23] io_uring: extract struct for CQ Pavel Begunkov
2021-05-19 14:13 ` [PATCH 08/23] io_uring: internally pass CQ indexes Pavel Begunkov
2021-05-19 14:13 ` [PATCH 09/23] io_uring: extract cq size helper Pavel Begunkov
2021-05-19 14:13 ` [PATCH 10/23] io_uring: add support for multiple CQs Pavel Begunkov
2021-05-19 14:13 ` [PATCH 11/23] io_uring: enable mmap'ing additional CQs Pavel Begunkov
2021-05-19 14:13 ` [PATCH 12/23] bpf: add IOURING program type Pavel Begunkov
2021-05-20 23:34 ` Song Liu
2021-05-21 0:56 ` Pavel Begunkov
2021-05-19 14:13 ` [PATCH 13/23] io_uring: implement bpf prog registration Pavel Begunkov
2021-05-20 23:45 ` Song Liu
2021-05-21 0:43 ` Pavel Begunkov [this message]
2021-05-19 14:13 ` [PATCH 14/23] io_uring: add support for bpf requests Pavel Begunkov
2021-05-21 0:42 ` Pavel Begunkov
2021-05-19 14:13 ` [PATCH 15/23] io_uring: enable BPF to submit SQEs Pavel Begunkov
2021-05-21 0:06 ` Song Liu
2021-05-21 1:07 ` Alexei Starovoitov
2021-05-21 9:33 ` Pavel Begunkov
2021-05-19 14:13 ` [PATCH 16/23] io_uring: enable bpf to submit CQEs Pavel Begunkov
2021-05-19 14:13 ` [PATCH 17/23] io_uring: enable bpf to reap CQEs Pavel Begunkov
2021-05-19 14:13 ` [PATCH 18/23] libbpf: support io_uring Pavel Begunkov
2021-05-19 17:38 ` Andrii Nakryiko
2021-05-20 9:58 ` Pavel Begunkov
2021-05-20 17:23 ` Andrii Nakryiko
2021-05-19 14:13 ` [PATCH 19/23] io_uring: pass user_data to bpf executor Pavel Begunkov
2021-05-19 14:13 ` [PATCH 20/23] bpf: Add bpf_copy_to_user() helper Pavel Begunkov
2021-05-19 14:13 ` [PATCH 21/23] io_uring: wire bpf copy to user Pavel Begunkov
2021-05-19 14:13 ` [PATCH 22/23] io_uring: don't wait on CQ exclusively Pavel Begunkov
2021-05-19 14:13 ` [PATCH 23/23] io_uring: enable bpf reqs to wait for CQs Pavel Begunkov
2021-05-21 0:35 ` [RFC v2 00/23] io_uring BPF requests Song Liu
2021-05-21 0:58 ` Pavel Begunkov
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