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devices: Add fw_cfg cli options

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This allows us to enable/disable the fw_cfg device via the cli

We can also now upload files into the guest vm using fw_cfg_items
via the cli

Signed-off-by: Alex Orozco <alexorozco@google.com>
This commit is contained in:
Alex Orozco
2025-05-19 21:41:41 +00:00
committed by Bo Chen
parent 971f552e09
commit a70c1b38e7
6 changed files with 429 additions and 75 deletions
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10
src/main.rs
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@@ -27,6 +27,8 @@ use vmm::api::ApiAction;
use vmm::config::{RestoreConfig, VmParams};
use vmm::landlock::{Landlock, LandlockError};
use vmm::vm_config;
#[cfg(feature = "fw_cfg")]
use vmm::vm_config::FwCfgConfig;
#[cfg(target_arch = "x86_64")]
use vmm::vm_config::SgxEpcConfig;
use vmm::vm_config::{
@@ -269,6 +271,12 @@ fn get_cli_options_sorted(
.help(FsConfig::SYNTAX)
.num_args(1..)
.group("vm-config"),
#[cfg(feature = "fw_cfg")]
Arg::new("fw-cfg-config")
.long("fw-cfg-config")
.help(FwCfgConfig::SYNTAX)
.num_args(1)
.group("vm-payload"),
#[cfg(feature = "guest_debug")]
Arg::new("gdb")
.long("gdb")
@@ -979,6 +987,8 @@ mod unit_tests {
igvm: None,
#[cfg(feature = "sev_snp")]
host_data: None,
#[cfg(feature = "fw_cfg")]
fw_cfg_config: None,
}),
rate_limit_groups: None,
disks: None,