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| author | Saurabh Sengar <ssengar@linux.microsoft.com> | 2023-04-10 22:55:29 -0700 |
|---|---|---|
| committer | Wei Liu <wei.liu@kernel.org> | 2023-04-18 17:29:51 +0000 |
| commit | c26e0527aaf84a34b4774d80c9a9baa65f4d77f2 (patch) | |
| tree | e11ea1e9c06c80a7f1554e054411d7c3663cc8bb /arch/x86/include/asm/hyperv-tlfs.h | |
| parent | d21a19e1c2f55504c4b3e9f9c82b4554bfa90d7b (diff) | |
| download | linux-stable-c26e0527aaf84a34b4774d80c9a9baa65f4d77f2.tar.gz linux-stable-c26e0527aaf84a34b4774d80c9a9baa65f4d77f2.tar.bz2 linux-stable-c26e0527aaf84a34b4774d80c9a9baa65f4d77f2.zip | |
x86/hyperv: Add VTL specific structs and hypercalls
Add structs and hypercalls required to enable VTL support on x86.
Signed-off-by: Saurabh Sengar <ssengar@linux.microsoft.com>
Reviewed-by: Michael Kelley <mikelley@microsoft.com>
Reviewed-by: Stanislav Kinsburskii <stanislav.kinsburskii@gmail.com>
Link: https://lore.kernel.org/r/1681192532-15460-3-git-send-email-ssengar@linux.microsoft.com
Signed-off-by: Wei Liu <wei.liu@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/hyperv-tlfs.h')
| -rw-r--r-- | arch/x86/include/asm/hyperv-tlfs.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/x86/include/asm/hyperv-tlfs.h b/arch/x86/include/asm/hyperv-tlfs.h index b4fb75bd1013..cea95dcd27c2 100644 --- a/arch/x86/include/asm/hyperv-tlfs.h +++ b/arch/x86/include/asm/hyperv-tlfs.h @@ -716,6 +716,81 @@ union hv_msi_entry { } __packed; }; +struct hv_x64_segment_register { + u64 base; + u32 limit; + u16 selector; + union { + struct { + u16 segment_type : 4; + u16 non_system_segment : 1; + u16 descriptor_privilege_level : 2; + u16 present : 1; + u16 reserved : 4; + u16 available : 1; + u16 _long : 1; + u16 _default : 1; + u16 granularity : 1; + } __packed; + u16 attributes; + }; +} __packed; + +struct hv_x64_table_register { + u16 pad[3]; + u16 limit; + u64 base; +} __packed; + +struct hv_init_vp_context { + u64 rip; + u64 rsp; + u64 rflags; + + struct hv_x64_segment_register cs; + struct hv_x64_segment_register ds; + struct hv_x64_segment_register es; + struct hv_x64_segment_register fs; + struct hv_x64_segment_register gs; + struct hv_x64_segment_register ss; + struct hv_x64_segment_register tr; + struct hv_x64_segment_register ldtr; + + struct hv_x64_table_register idtr; + struct hv_x64_table_register gdtr; + + u64 efer; + u64 cr0; + u64 cr3; + u64 cr4; + u64 msr_cr_pat; +} __packed; + +union hv_input_vtl { + u8 as_uint8; + struct { + u8 target_vtl: 4; + u8 use_target_vtl: 1; + u8 reserved_z: 3; + }; +} __packed; + +struct hv_enable_vp_vtl { + u64 partition_id; + u32 vp_index; + union hv_input_vtl target_vtl; + u8 mbz0; + u16 mbz1; + struct hv_init_vp_context vp_context; +} __packed; + +struct hv_get_vp_from_apic_id_in { + u64 partition_id; + union hv_input_vtl target_vtl; + u8 res[7]; + u32 apic_ids[]; +} __packed; + #include <asm-generic/hyperv-tlfs.h> #endif |