diff options
Diffstat (limited to 'arch/x86/include/asm/tdx.h')
| -rw-r--r-- | arch/x86/include/asm/tdx.h | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/arch/x86/include/asm/tdx.h b/arch/x86/include/asm/tdx.h index a33d47abe67d..c4142e7b004c 100644 --- a/arch/x86/include/asm/tdx.h +++ b/arch/x86/include/asm/tdx.h @@ -6,6 +6,7 @@ #include <linux/bits.h> #include <linux/init.h> #include <linux/bits.h> +#include <asm/ptrace.h> #define TDX_CPUID_LEAF_ID 0x21 #define TDX_IDENT "IntelTDX " @@ -56,6 +57,22 @@ struct tdx_hypercall_args { u64 r15; }; +/* + * Used by the #VE exception handler to gather the #VE exception + * info from the TDX module. This is a software only structure + * and not part of the TDX module/VMM ABI. + */ +struct ve_info { + u64 exit_reason; + u64 exit_qual; + /* Guest Linear (virtual) Address */ + u64 gla; + /* Guest Physical Address */ + u64 gpa; + u32 instr_len; + u32 instr_info; +}; + #ifdef CONFIG_INTEL_TDX_GUEST void __init tdx_early_init(void); @@ -70,6 +87,10 @@ u64 __tdx_hypercall(struct tdx_hypercall_args *args, unsigned long flags); /* Called from __tdx_hypercall() for unrecoverable failure */ void __tdx_hypercall_failed(void); +void tdx_get_ve_info(struct ve_info *ve); + +bool tdx_handle_virt_exception(struct pt_regs *regs, struct ve_info *ve); + #else static inline void tdx_early_init(void) { }; |