Introduce new fpu state structure pt_state to save Intel processor trace configuration. The upcoming using XSAVES/XRSTORS to switch the Intel PT configuration on VM-Entry/Exit will use this structure.
Signed-off-by: Luwei Kang <[email protected]> --- arch/x86/include/asm/fpu/types.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/x86/include/asm/fpu/types.h b/arch/x86/include/asm/fpu/types.h index 2e32e17..8cbb42e 100644 --- a/arch/x86/include/asm/fpu/types.h +++ b/arch/x86/include/asm/fpu/types.h @@ -221,6 +221,19 @@ struct avx_512_hi16_state { } __packed; /* + * State component 8 is used for some 64-bit registers + * of Intel processor trace. + */ +struct pt_state { + u64 rtit_ctl; + u64 rtit_output_base; + u64 rtit_output_mask; + u64 rtit_status; + u64 rtit_cr3_match; + u64 rtit_addrx_ab[0]; +} __packed; + +/* * State component 9: 32-bit PKRU register. The state is * 8 bytes long but only 4 bytes is used currently. */ -- 1.8.3.1
