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vmm: introduce platform option to limit maximum IOMMU address width

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Signed-off-by: Nikolay Edigaryev <edigaryev@gmail.com>
This commit is contained in:
Nikolay Edigaryev
2025-01-08 12:14:19 +04:00
committed by Rob Bradford
parent fa686fdfc7
commit 74ca38f7a9
4 changed files with 42 additions and 1 deletions
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vmm/src/vm_config.rs
+7
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@@ -88,12 +88,19 @@ pub fn default_platformconfig_num_pci_segments() -> u16 {
DEFAULT_NUM_PCI_SEGMENTS
}
pub const DEFAULT_IOMMU_ADDRESS_WIDTH_BITS: u8 = 64;
pub fn default_platformconfig_iommu_address_width_bits() -> u8 {
DEFAULT_IOMMU_ADDRESS_WIDTH_BITS
}
#[derive(Clone, Debug, PartialEq, Eq, Deserialize, Serialize)]
pub struct PlatformConfig {
#[serde(default = "default_platformconfig_num_pci_segments")]
pub num_pci_segments: u16,
#[serde(default)]
pub iommu_segments: Option<Vec<u16>>,
#[serde(default = "default_platformconfig_iommu_address_width_bits")]
pub iommu_address_width_bits: u8,
#[serde(default)]
pub serial_number: Option<String>,
#[serde(default)]