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feat(tvix/store/fs): Add support for virtiofs backend

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This adds a virtiofs daemon implementation which hooks into the existing
tvix-store filesystem implementation that is used for FUSE.

This allows adding the filesystem to a microvm without having to set up
FUSE inside the guest.

Change-Id: If80c36c9657f2289853e8d9a364bf4f1f7b7559c
Reviewed-on: https://cl.tvl.fyi/c/depot/+/9344
Autosubmit: Connor Brewster <cbrewster@hey.com>
Tested-by: BuildkiteCI
Reviewed-by: flokli <flokli@flokli.de>
This commit is contained in:
Connor Brewster 2023-09-16 13:58:52 -05:00
parent e5f2281856
commit 993c505cdb
6 changed files with 587 additions and 5 deletions
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60
tvix/Cargo.lock generated
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@ -775,6 +775,8 @@ dependencies = [
"log",
"mio",
"nix 0.24.3",
"vhost",
"virtio-queue",
"vm-memory",
"vmm-sys-util",
]
@ -2865,6 +2867,12 @@ dependencies = [
"tracing-subscriber",
"tvix-castore",
"url",
"vhost",
"vhost-user-backend",
"virtio-bindings 0.2.1",
"virtio-queue",
"vm-memory",
"vmm-sys-util",
"walkdir",
]
@ -2948,12 +2956,64 @@ version = "0.9.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "49874b5167b65d7193b8aba1567f5c7d93d001cafc34600cee003eda787e483f"
[[package]]
name = "vhost"
version = "0.6.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a6769e8dbf5276b4376439fbf36bb880d203bf614bf7ef444198edc24b5a9f35"
dependencies = [
"bitflags",
"libc",
"vm-memory",
"vmm-sys-util",
]
[[package]]
name = "vhost-user-backend"
version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9f237b91db4ac339d639fb43398b52d785fa51e3c7760ac9425148863c1f4303"
dependencies = [
"libc",
"log",
"vhost",
"virtio-bindings 0.1.0",
"virtio-queue",
"vm-memory",
"vmm-sys-util",
]
[[package]]
name = "virtio-bindings"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3ff512178285488516ed85f15b5d0113a7cdb89e9e8a760b269ae4f02b84bd6b"
[[package]]
name = "virtio-bindings"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c18d7b74098a946470ea265b5bacbbf877abc3373021388454de0d47735a5b98"
[[package]]
name = "virtio-queue"
version = "0.7.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3ba81e2bcc21c0d2fc5e6683e79367e26ad219197423a498df801d79d5ba77bd"
dependencies = [
"log",
"virtio-bindings 0.1.0",
"vm-memory",
"vmm-sys-util",
]
[[package]]
name = "vm-memory"
version = "0.10.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "688a70366615b45575a424d9c665561c1b5ab2224d494f706b6a6812911a827c"
dependencies = [
"arc-swap",
"libc",
"winapi",
]