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vmm: seccomp: Add KVM_MEMORY_ENCRYPT_OP ioctl to seccomp filter

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This is the basis for TDX based operations on the various KVM file
descriptors.

Signed-off-by: Rob Bradford <robert.bradford@intel.com>
This commit is contained in:
Rob Bradford 2021-03-09 14:38:23 +00:00 committed by Samuel Ortiz
parent be0cbb09b1
commit a0c07474a3
1 changed files with 2 additions and 0 deletions
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vmm/src/seccomp_filters.rs
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@ -111,6 +111,7 @@ const KVM_GET_REGS: u64 = 0x8090_ae81;
const KVM_GET_SUPPORTED_CPUID: u64 = 0xc008_ae05;
const KVM_CREATE_DEVICE: u64 = 0xc00c_aee0;
const KVM_GET_REG_LIST: u64 = 0xc008_aeb0;
const KVM_MEMORY_ENCRYPT_OP: u64 = 0xc008_aeba;
// The definition of libc::SYS_ftruncate on AArch64 is different from that on x86_64.
#[cfg(target_arch = "aarch64")]
@ -141,6 +142,7 @@ fn create_vmm_ioctl_seccomp_rule_common() -> Result<Vec<SeccompRule>, Error> {
and![Cond::new(1, ArgLen::DWORD, Eq, KVM_IOEVENTFD)?],
and![Cond::new(1, ArgLen::DWORD, Eq, KVM_IRQFD)?],
and![Cond::new(1, ArgLen::DWORD, Eq, KVM_RUN)?],
and![Cond::new(1, ArgLen::DWORD, Eq, KVM_MEMORY_ENCRYPT_OP)?],
and![Cond::new(1, ArgLen::DWORD, Eq, KVM_SET_DEVICE_ATTR,)?],
and![Cond::new(1, ArgLen::DWORD, Eq, KVM_SET_GSI_ROUTING)?],
and![Cond::new(1, ArgLen::DWORD, Eq, KVM_SET_MP_STATE)?],