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vmm: Fix --platform syntax with optional feature flags

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The `--platform` help string was hardcoded and did not reflect which
optional features (tdx, sev_snp) were actually enabled in. Build the
syntax string dynamically as `PlatformConfig::syntax()`, conditionally
appending feature-gated options so the CLI help stays accurate.

Signed-off-by: Bo Chen <bchen@crusoe.ai>
This commit is contained in:
Bo Chen
2025-08-19 21:35:22 +00:00
parent de601c5eaa
commit 7f377eadd9
2 changed files with 28 additions and 3 deletions
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6
cloud-hypervisor/src/main.rs
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@@ -33,8 +33,8 @@ use vmm::vm_config::FwCfgConfig;
use vmm::vm_config::IvshmemConfig;
use vmm::vm_config::{
BalloonConfig, DeviceConfig, DiskConfig, FsConfig, GenericVhostUserConfig, LandlockConfig,
NetConfig, NumaConfig, PciSegmentConfig, PmemConfig, RateLimiterGroupConfig, TpmConfig,
UserDeviceConfig, VdpaConfig, VmConfig, VsockConfig,
NetConfig, NumaConfig, PciSegmentConfig, PlatformConfig, PmemConfig, RateLimiterGroupConfig,
TpmConfig, UserDeviceConfig, VdpaConfig, VmConfig, VsockConfig,
};
use vmm_sys_util::eventfd::EventFd;
use vmm_sys_util::signal::block_signal;
@@ -388,7 +388,7 @@ fn get_cli_options_sorted(
Arg::new("platform")
.long("platform")
.help(
"num_pci_segments=<num_pci_segments>,iommu_segments=<list_of_segments>,iommu_address_width=<bits>,serial_number=<dmi_device_serial_number>,uuid=<dmi_device_uuid>,oem_strings=<list_of_strings>"
PlatformConfig::syntax()
)
.num_args(1)
.group("vm-config"),