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numa: Add optional sgx_epc_sections field to NumaConfig

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This new option allows the user to define a list of SGX EPC sections
attached to a specific NUMA node.

Signed-off-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
This commit is contained in:
Sebastien Boeuf
2021-07-09 11:22:35 +02:00
parent 3987026997
commit 6b710209b1
5 changed files with 90 additions and 7 deletions
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27
vmm/src/vm.rs
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@@ -33,6 +33,8 @@ use anyhow::anyhow;
use arch::get_host_cpu_phys_bits;
#[cfg(feature = "tdx")]
use arch::x86_64::tdx::TdvfSection;
#[cfg(target_arch = "x86_64")]
use arch::x86_64::SgxEpcSection;
use arch::EntryPoint;
use devices::AcpiNotificationFlags;
use hypervisor::vm::{HypervisorVmError, VmmOps};
@@ -269,6 +271,8 @@ pub struct NumaNode {
cpus: Vec<u8>,
distances: BTreeMap<u32, u8>,
memory_zones: Vec<String>,
#[cfg(target_arch = "x86_64")]
sgx_epc_sections: Vec<SgxEpcSection>,
}
impl NumaNode {
@@ -291,6 +295,11 @@ impl NumaNode {
pub fn memory_zones(&self) -> &Vec<String> {
&self.memory_zones
}
#[cfg(target_arch = "x86_64")]
pub fn sgx_epc_sections(&self) -> &Vec<SgxEpcSection> {
&self.sgx_epc_sections
}
}
pub type NumaNodes = BTreeMap<u32, NumaNode>;
@@ -673,6 +682,24 @@ impl Vm {
}
}
#[cfg(target_arch = "x86_64")]
if let Some(sgx_epc_sections) = &config.sgx_epc_sections {
if let Some(sgx_epc_region) = mm.sgx_epc_region() {
let mm_sections = sgx_epc_region.epc_sections();
for sgx_epc_section in sgx_epc_sections.iter() {
if let Some(mm_section) = mm_sections.get(sgx_epc_section) {
node.sgx_epc_sections.push(mm_section.clone());
} else {
error!("Unknown SGX EPC section '{}'", sgx_epc_section);
return Err(Error::InvalidNumaConfig);
}
}
} else {
error!("Missing SGX EPC region");
return Err(Error::InvalidNumaConfig);
}
}
numa_nodes.insert(config.guest_numa_id, node);
}
}