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vmm: Add seccomp rules for MSHV SevSnp guest

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There are new IOCTLs added for SevSnp guest support.
This patch adds necessary seccomp ruled.

Signed-off-by: Muminul Islam <muislam@microsoft.com>
This commit is contained in:
Muminul Islam 2024-02-22 16:30:31 -08:00 committed by Rob Bradford
parent 1fe2771a0d
commit b77f779c90
1 changed files with 47 additions and 0 deletions
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47
vmm/src/seccomp_filters.rs
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@ -173,6 +173,14 @@ mod mshv {
pub const MSHV_CREATE_DEVICE: u64 = 0xc00c_b813; pub const MSHV_CREATE_DEVICE: u64 = 0xc00c_b813;
pub const MSHV_SET_DEVICE_ATTR: u64 = 0x4018_b814; pub const MSHV_SET_DEVICE_ATTR: u64 = 0x4018_b814;
pub const MSHV_VP_REGISTER_INTERCEPT_RESULT: u64 = 0x4030_b817; pub const MSHV_VP_REGISTER_INTERCEPT_RESULT: u64 = 0x4030_b817;
pub const MSHV_GET_VP_CPUID_VALUES: u64 = 0xc028_b81b;
pub const MSHV_MODIFY_GPA_HOST_ACCESS: u64 = 0x4018_b828;
pub const MSHV_IMPORT_ISOLATED_PAGES: u64 = 0x4010_b829;
pub const MSHV_COMPLETE_ISOLATED_IMPORT: u64 = 0x4d06_b830;
pub const MSHV_READ_GPA: u64 = 0xc020_b832;
pub const MSHV_WRITE_GPA: u64 = 0x4020_b833;
pub const MSHV_SEV_SNP_AP_CREATE: u64 = 0x4010_b834;
pub const MSHV_ISSUE_PSP_GUEST_REQUEST: u64 = 0x4010_b831;
} }
#[cfg(feature = "mshv")] #[cfg(feature = "mshv")]
use mshv::*; use mshv::*;
@ -210,6 +218,29 @@ fn create_vmm_ioctl_seccomp_rule_common_mshv() -> Result<Vec<SeccompRule>, Backe
)?], )?],
and![Cond::new(1, ArgLen::Dword, Eq, MSHV_CREATE_DEVICE)?], and![Cond::new(1, ArgLen::Dword, Eq, MSHV_CREATE_DEVICE)?],
and![Cond::new(1, ArgLen::Dword, Eq, MSHV_SET_DEVICE_ATTR)?], and![Cond::new(1, ArgLen::Dword, Eq, MSHV_SET_DEVICE_ATTR)?],
and![Cond::new(1, ArgLen::Dword, Eq, MSHV_GET_VP_CPUID_VALUES)?],
and![Cond::new(
1,
ArgLen::Dword,
Eq,
MSHV_MODIFY_GPA_HOST_ACCESS
)?],
and![Cond::new(1, ArgLen::Dword, Eq, MSHV_IMPORT_ISOLATED_PAGES)?],
and![Cond::new(
1,
ArgLen::Dword,
Eq,
MSHV_COMPLETE_ISOLATED_IMPORT
)?],
and![Cond::new(1, ArgLen::Dword, Eq, MSHV_READ_GPA)?],
and![Cond::new(1, ArgLen::Dword, Eq, MSHV_WRITE_GPA)?],
and![Cond::new(1, ArgLen::Dword, Eq, MSHV_SEV_SNP_AP_CREATE)?],
and![Cond::new(
1,
ArgLen::Dword,
Eq,
MSHV_ISSUE_PSP_GUEST_REQUEST
)?],
]) ])
} }
@ -672,6 +703,22 @@ fn create_vcpu_ioctl_seccomp_rule_mshv() -> Result<Vec<SeccompRule>, BackendErro
and![Cond::new(1, ArgLen::Dword, Eq, MSHV_MAP_GUEST_MEMORY)?], and![Cond::new(1, ArgLen::Dword, Eq, MSHV_MAP_GUEST_MEMORY)?],
and![Cond::new(1, ArgLen::Dword, Eq, MSHV_UNMAP_GUEST_MEMORY)?], and![Cond::new(1, ArgLen::Dword, Eq, MSHV_UNMAP_GUEST_MEMORY)?],
and![Cond::new(1, ArgLen::Dword, Eq, MSHV_VP_TRANSLATE_GVA)?], and![Cond::new(1, ArgLen::Dword, Eq, MSHV_VP_TRANSLATE_GVA)?],
and![Cond::new(1, ArgLen::Dword, Eq, MSHV_GET_VP_CPUID_VALUES)?],
and![Cond::new(
1,
ArgLen::Dword,
Eq,
MSHV_MODIFY_GPA_HOST_ACCESS
)?],
and![Cond::new(1, ArgLen::Dword, Eq, MSHV_READ_GPA)?],
and![Cond::new(1, ArgLen::Dword, Eq, MSHV_WRITE_GPA)?],
and![Cond::new(1, ArgLen::Dword, Eq, MSHV_SEV_SNP_AP_CREATE)?],
and![Cond::new(
1,
ArgLen::Dword,
Eq,
MSHV_ISSUE_PSP_GUEST_REQUEST
)?],
]) ])
} }