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vmm: Introduce kernel hashes measured boot

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This introduces the kernel hashes measured boot table into
cloud hypervisor if a cmdline and kernel is passed into an
SEV-SNP CVM, incorporating a kernel/cmdline/optional initrd
into a memory page that is measured into the launch digest
of a SEV-SNP CVM. If both --kernel and --cmdline are not
provided, we do not insert this data page

Signed-off-by: Kevin Hui <kevinhui@meta.com>
This commit is contained in:
Kevin Hui
2026-04-22 12:31:15 -07:00
committed by Rob Bradford
parent 9f1247fe60
commit 70388fb1bb
7 changed files with 487 additions and 8 deletions
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Cargo.lock generated
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@@ -343,6 +343,15 @@ dependencies = [
"zstd",
]
[[package]]
name = "block-buffer"
version = "0.12.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "cdd35008169921d80bc60d3d0ab416eecb028c4cd653352907921d95084790be"
dependencies = [
"hybrid-array",
]
[[package]]
name = "blocking"
version = "1.6.2"
@@ -482,6 +491,12 @@ dependencies = [
"crossbeam-utils",
]
[[package]]
name = "const-oid"
version = "0.10.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a6ef517f0926dd24a1582492c791b6a4818a4d94e789a334894aa15b0d12f55c"
[[package]]
name = "cpufeatures"
version = "0.3.0"
@@ -515,6 +530,15 @@ version = "0.8.21"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
[[package]]
name = "crypto-common"
version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "77727bb15fa921304124b128af125e7e3b968275d1b108b379190264f4423710"
dependencies = [
"hybrid-array",
]
[[package]]
name = "darling"
version = "0.23.0"
@@ -599,6 +623,17 @@ dependencies = [
"thousands",
]
[[package]]
name = "digest"
version = "0.11.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4850db49bf08e663084f7fb5c87d202ef91a3907271aff24a94eb97ff039153c"
dependencies = [
"block-buffer",
"const-oid",
"crypto-common",
]
[[package]]
name = "dirs"
version = "6.0.0"
@@ -992,6 +1027,15 @@ version = "0.4.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7f24254aa9a54b5c858eaee2f5bccdb46aaf0e486a595ed5fd8f86ba55232a70"
[[package]]
name = "hybrid-array"
version = "0.4.10"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3944cf8cf766b40e2a1a333ee5e9b563f854d5fa49d6a8ca2764e97c6eddb214"
dependencies = [
"typenum",
]
[[package]]
name = "hypervisor"
version = "0.1.0"
@@ -2010,6 +2054,17 @@ dependencies = [
name = "serial_buffer"
version = "0.1.0"
[[package]]
name = "sha2"
version = "0.11.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "446ba717509524cb3f22f17ecc096f10f4822d76ab5c0b9822c5f9c284e825f4"
dependencies = [
"cfg-if",
"cpufeatures",
"digest",
]
[[package]]
name = "shlex"
version = "1.3.0"
@@ -2244,6 +2299,12 @@ dependencies = [
"once_cell",
]
[[package]]
name = "typenum"
version = "1.20.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "40ce102ab67701b8526c123c1bab5cbe42d7040ccfd0f64af1a385808d2f43de"
[[package]]
name = "uds_windows"
version = "1.2.1"
@@ -2556,6 +2617,7 @@ dependencies = [
"serde",
"serde_json",
"serial_buffer",
"sha2",
"signal-hook",
"tempfile",
"thiserror",