diff options
| author | Tianyu Lan <tiala@microsoft.com> | 2023-08-18 13:29:11 +0300 |
|---|---|---|
| committer | Wei Liu <wei.liu@kernel.org> | 2023-08-22 03:38:20 +0300 |
| commit | d6e2d652443751e290b2edb70173ec3c22f78fbe (patch) | |
| tree | 3474f50f6559470984ae59cc5b077dfc430b0573 /include/asm-generic | |
| parent | 4f74fb30ea21d8b2d515f5929d2b46ad6834edba (diff) | |
| download | linux-d6e2d652443751e290b2edb70173ec3c22f78fbe.tar.xz | |
x86/hyperv: Add sev-snp enlightened guest static key
Introduce static key isolation_type_en_snp for enlightened
sev-snp guest check.
Reviewed-by: Dexuan Cui <decui@microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Signed-off-by: Tianyu Lan <tiala@microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Link: https://lore.kernel.org/r/20230818102919.1318039-2-ltykernel@gmail.com
Diffstat (limited to 'include/asm-generic')
| -rw-r--r-- | include/asm-generic/mshyperv.h | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/include/asm-generic/mshyperv.h b/include/asm-generic/mshyperv.h index 402a8c1c202d..580c766958de 100644 --- a/include/asm-generic/mshyperv.h +++ b/include/asm-generic/mshyperv.h @@ -36,15 +36,21 @@ struct ms_hyperv_info { u32 nested_features; u32 max_vp_index; u32 max_lp_index; - u32 isolation_config_a; + union { + u32 isolation_config_a; + struct { + u32 paravisor_present : 1; + u32 reserved_a1 : 31; + }; + }; union { u32 isolation_config_b; struct { u32 cvm_type : 4; - u32 reserved1 : 1; + u32 reserved_b1 : 1; u32 shared_gpa_boundary_active : 1; u32 shared_gpa_boundary_bits : 6; - u32 reserved2 : 20; + u32 reserved_b2 : 20; }; }; u64 shared_gpa_boundary; @@ -58,6 +64,7 @@ extern void * __percpu *hyperv_pcpu_output_arg; extern u64 hv_do_hypercall(u64 control, void *inputaddr, void *outputaddr); extern u64 hv_do_fast_hypercall8(u16 control, u64 input8); extern bool hv_isolation_type_snp(void); +extern bool hv_isolation_type_en_snp(void); /* Helper functions that provide a consistent pattern for checking Hyper-V hypercall status. */ static inline int hv_result(u64 status) |