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vmm: add host-data as a command line argument

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The host data provided at launch. Data is passed
to the hypervisor during the completion of the
isolated import.

Host Data provided by the hypervisor during guest launch.
The firmware includes this value in all attestation
reports for the guest.

Signed-off-by: Muminul Islam <muislam@microsoft.com>
This commit is contained in:
Muminul Islam 2024-02-08 11:54:31 -08:00 committed by Bo Chen
parent b765acd608
commit aa6c486a6b
4 changed files with 25 additions and 0 deletions
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10
src/main.rs
View File

@ -468,6 +468,14 @@ fn create_app(default_vcpus: String, default_memory: String, default_rng: String
.num_args(1)
.group("vm-config"),
);
#[cfg(feature = "sev_snp")]
let app = app.arg(
Arg::new("host-data")
.long("host-data")
.help("Host specific data to SEV SNP guest")
.num_args(1)
.group("vm-config"),
);
app.arg(
Arg::new("version")
.short('V')
@ -879,6 +887,8 @@ mod unit_tests {
initramfs: None,
#[cfg(feature = "igvm")]
igvm: None,
#[cfg(feature = "sev_snp")]
host_data: None,
}),
rate_limit_groups: None,
disks: None,

10
vmm/src/config.rs
View File

@ -435,6 +435,8 @@ pub struct VmParams<'a> {
pub tpm: Option<&'a str>,
#[cfg(feature = "igvm")]
pub igvm: Option<&'a str>,
#[cfg(feature = "sev_snp")]
pub host_data: Option<&'a str>,
}
impl<'a> VmParams<'a> {
@ -495,6 +497,8 @@ impl<'a> VmParams<'a> {
let tpm: Option<&str> = args.get_one::<String>("tpm").map(|x| x as &str);
#[cfg(feature = "igvm")]
let igvm = args.get_one::<String>("igvm").map(|x| x as &str);
#[cfg(feature = "sev_snp")]
let host_data = args.get_one::<String>("host-data").map(|x| x as &str);
VmParams {
cpus,
memory,
@ -529,6 +533,8 @@ impl<'a> VmParams<'a> {
tpm,
#[cfg(feature = "igvm")]
igvm,
#[cfg(feature = "sev_snp")]
host_data,
}
}
}
@ -2558,6 +2564,8 @@ impl VmConfig {
firmware: vm_params.firmware.map(PathBuf::from),
#[cfg(feature = "igvm")]
igvm: vm_params.igvm.map(PathBuf::from),
#[cfg(feature = "sev_snp")]
host_data: vm_params.host_data.map(|s| s.to_string()),
})
} else {
None
@ -3452,6 +3460,8 @@ mod tests {
initramfs: None,
#[cfg(feature = "igvm")]
igvm: None,
#[cfg(feature = "sev_snp")]
host_data: None,
}),
rate_limit_groups: None,
disks: None,

2
vmm/src/lib.rs
View File

@ -2084,6 +2084,8 @@ mod unit_tests {
initramfs: None,
#[cfg(feature = "igvm")]
igvm: None,
#[cfg(feature = "sev_snp")]
host_data: None,
}),
rate_limit_groups: None,
disks: None,

3
vmm/src/vm_config.rs
View File

@ -522,6 +522,9 @@ pub struct PayloadConfig {
#[cfg(feature = "igvm")]
#[serde(default)]
pub igvm: Option<PathBuf>,
#[cfg(feature = "sev_snp")]
#[serde(default)]
pub host_data: Option<String>,
}
pub fn default_serial() -> ConsoleConfig {