DepSurf

Struct: `ghcb_save_area`

Status

Regular

In 4.4: Absent ⚠️
In 4.8: Absent ⚠️
In 4.10: Absent ⚠️
In 4.13: Absent ⚠️
In 4.15: Absent ⚠️
In 4.18: Absent ⚠️
In 5.0: Absent ⚠️
In 5.3: Absent ⚠️
In 5.4: Absent ⚠️
In 5.8: Absent ⚠️
In 5.11: Absent ⚠️
In 5.13: Absent ⚠️
In 5.15: Absent ⚠️

In 5.19: ✅

struct ghcb_save_area {
    u8 reserved_1[203];
    u8 cpl;
    u8 reserved_2[116];
    u64 xss;
    u8 reserved_3[24];
    u64 dr7;
    u8 reserved_4[16];
    u64 rip;
    u8 reserved_5[88];
    u64 rsp;
    u8 reserved_6[24];
    u64 rax;
    u8 reserved_7[264];
    u64 rcx;
    u64 rdx;
    u64 rbx;
    u8 reserved_8[8];
    u64 rbp;
    u64 rsi;
    u64 rdi;
    u64 r8;
    u64 r9;
    u64 r10;
    u64 r11;
    u64 r12;
    u64 r13;
    u64 r14;
    u64 r15;
    u8 reserved_9[16];
    u64 sw_exit_code;
    u64 sw_exit_info_1;
    u64 sw_exit_info_2;
    u64 sw_scratch;
    u8 reserved_10[56];
    u64 xcr0;
    u8 valid_bitmap[16];
    u64 x87_state_gpa;
};

In 6.2: ✅

struct ghcb_save_area {
    u8 reserved_0x0[203];
    u8 cpl;
    u8 reserved_0xcc[116];
    u64 xss;
    u8 reserved_0x148[24];
    u64 dr7;
    u8 reserved_0x168[16];
    u64 rip;
    u8 reserved_0x180[88];
    u64 rsp;
    u8 reserved_0x1e0[24];
    u64 rax;
    u8 reserved_0x200[264];
    u64 rcx;
    u64 rdx;
    u64 rbx;
    u8 reserved_0x320[8];
    u64 rbp;
    u64 rsi;
    u64 rdi;
    u64 r8;
    u64 r9;
    u64 r10;
    u64 r11;
    u64 r12;
    u64 r13;
    u64 r14;
    u64 r15;
    u8 reserved_0x380[16];
    u64 sw_exit_code;
    u64 sw_exit_info_1;
    u64 sw_exit_info_2;
    u64 sw_scratch;
    u8 reserved_0x3b0[56];
    u64 xcr0;
    u8 valid_bitmap[16];
    u64 x87_state_gpa;
};

In 6.5: ✅

struct ghcb_save_area {
    u8 reserved_0x0[203];
    u8 cpl;
    u8 reserved_0xcc[116];
    u64 xss;
    u8 reserved_0x148[24];
    u64 dr7;
    u8 reserved_0x168[16];
    u64 rip;
    u8 reserved_0x180[88];
    u64 rsp;
    u8 reserved_0x1e0[24];
    u64 rax;
    u8 reserved_0x200[264];
    u64 rcx;
    u64 rdx;
    u64 rbx;
    u8 reserved_0x320[8];
    u64 rbp;
    u64 rsi;
    u64 rdi;
    u64 r8;
    u64 r9;
    u64 r10;
    u64 r11;
    u64 r12;
    u64 r13;
    u64 r14;
    u64 r15;
    u8 reserved_0x380[16];
    u64 sw_exit_code;
    u64 sw_exit_info_1;
    u64 sw_exit_info_2;
    u64 sw_scratch;
    u8 reserved_0x3b0[56];
    u64 xcr0;
    u8 valid_bitmap[16];
    u64 x87_state_gpa;
};

In 6.8: ✅

struct ghcb_save_area {
    u8 reserved_0x0[203];
    u8 cpl;
    u8 reserved_0xcc[116];
    u64 xss;
    u8 reserved_0x148[24];
    u64 dr7;
    u8 reserved_0x168[16];
    u64 rip;
    u8 reserved_0x180[88];
    u64 rsp;
    u8 reserved_0x1e0[24];
    u64 rax;
    u8 reserved_0x200[264];
    u64 rcx;
    u64 rdx;
    u64 rbx;
    u8 reserved_0x320[8];
    u64 rbp;
    u64 rsi;
    u64 rdi;
    u64 r8;
    u64 r9;
    u64 r10;
    u64 r11;
    u64 r12;
    u64 r13;
    u64 r14;
    u64 r15;
    u8 reserved_0x380[16];
    u64 sw_exit_code;
    u64 sw_exit_info_1;
    u64 sw_exit_info_2;
    u64 sw_scratch;
    u8 reserved_0x3b0[56];
    u64 xcr0;
    u8 valid_bitmap[16];
    u64 x87_state_gpa;
};

Arch

In arm64: Absent ⚠️
In armhf: Absent ⚠️
In ppc64el: Absent ⚠️
In riscv64: Absent ⚠️

Flavor

In aws: Absent ⚠️
In azure: Absent ⚠️
In gcp: Absent ⚠️
In lowlatency: Absent ⚠️

Differences

Regular

Changed between 5.19 and 6.2 ⚠️
- Field added. u8 reserved_0x0[203]
- Field added. u8 reserved_0xcc[116]
- Field added. u8 reserved_0x148[24]
- Field added. u8 reserved_0x168[16]
- Field added. u8 reserved_0x180[88]
- Field added. u8 reserved_0x1e0[24]
- Field added. u8 reserved_0x200[264]
- Field added. u8 reserved_0x320[8]
- Field added. u8 reserved_0x380[16]
- Field added. u8 reserved_0x3b0[56]
- Field removed. u8 reserved_1[203]
- Field removed. u8 reserved_2[116]
- Field removed. u8 reserved_3[24]
- Field removed. u8 reserved_4[16]
- Field removed. u8 reserved_5[88]
- Field removed. u8 reserved_6[24]
- Field removed. u8 reserved_7[264]
- Field removed. u8 reserved_8[8]
- Field removed. u8 reserved_9[16]
- Field removed. u8 reserved_10[56]
No changes between 6.2 and 6.5 ✅
No changes between 6.5 and 6.8 ✅

DepSurf

Struct: ghcb_save_area

Status

Differences

Struct: `ghcb_save_area`