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| author | Ryan Goodfellow <ryan.goodfellow@oxide.computer> | 2022-12-02 23:09:49 -0800 |
|---|---|---|
| committer | Andy Fiddaman <illumos@fiddaman.net> | 2022-12-12 10:54:22 +0000 |
| commit | d67e8fd81d2058a6f9e67cc94c55a7dd9ceb6780 (patch) | |
| tree | 2ed3e8492aec2c4bed15147d92702778a60c0b1d | |
| parent | cddac242eeead49a90fe55ef7433dc32515d7c23 (diff) | |
| download | illumos-gate-d67e8fd81d2058a6f9e67cc94c55a7dd9ceb6780.tar.gz | |
15225 Want bigger virtio 9P buffers
Reviewed by: Andrew Stormont <andyjstormont@gmail.com>
Reviewed by: Patrick Mooney <pmooney@pfmooney.com>
Reviewed by: Toomas Soome <tsoome@me.com>
Approved by: Dan McDonald <danmcd@mnx.io>
| -rw-r--r-- | usr/src/uts/common/io/vio9p/vio9p_impl.h | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/usr/src/uts/common/io/vio9p/vio9p_impl.h b/usr/src/uts/common/io/vio9p/vio9p_impl.h index f8718c1ed2..74cb5bef15 100644 --- a/usr/src/uts/common/io/vio9p/vio9p_impl.h +++ b/usr/src/uts/common/io/vio9p/vio9p_impl.h @@ -62,8 +62,18 @@ extern "C" { /* * DRIVER PARAMETERS */ -#define VIRTIO_9P_MAX_REQS 16 -#define VIRTIO_9P_REQ_SIZE 8192 + +/* + * A limit on the number of requests that can be allocated for a vio9p device. + */ +#define VIRTIO_9P_MAX_REQS 8 + +/* + * This parameter defines an upper bound on 9P protocol message size (msize). 9P + * servers may negotiate an msize up to this value. An attempt to transfer a + * message larger than this will result in a EMSGISZE error. + */ +#define VIRTIO_9P_REQ_SIZE 65536 /* * It is not clear that there is a well-defined number of cookies for this @@ -72,7 +82,7 @@ extern "C" { * number that's large enough to ensure we'll be able to allocate without * requiring contiguous pages. */ -#define VIRTIO_9P_MAX_SGL 8 +#define VIRTIO_9P_MAX_SGL 64 /* * TYPE DEFINITIONS |