diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2023-06-06 17:26:35 +0300 |
|---|---|---|
| committer | Borislav Petkov (AMD) <bp@alien8.de> | 2023-06-06 18:31:23 +0300 |
| commit | ff40b5769a50fab654a70575ff0f49853b799b0e (patch) | |
| tree | e21a70acc0a230b3b3e36bfff4621a1e483d8424 /arch/x86/coco | |
| parent | c211c19e80d046441655e372c6ae15f29d358259 (diff) | |
| download | linux-ff40b5769a50fab654a70575ff0f49853b799b0e.tar.xz | |
x86/tdx: Make _tdx_hypercall() and __tdx_module_call() available in boot stub
Memory acceptance requires a hypercall and one or multiple module calls.
Make helpers for the calls available in boot stub. It has to accept
memory where kernel image and initrd are placed.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Reviewed-by: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/r/20230606142637.5171-8-kirill.shutemov@linux.intel.com
Diffstat (limited to 'arch/x86/coco')
| -rw-r--r-- | arch/x86/coco/tdx/tdx.c | 32 |
1 files changed, 0 insertions, 32 deletions
diff --git a/arch/x86/coco/tdx/tdx.c b/arch/x86/coco/tdx/tdx.c index e146b599260f..e6f4c2758a68 100644 --- a/arch/x86/coco/tdx/tdx.c +++ b/arch/x86/coco/tdx/tdx.c @@ -14,20 +14,6 @@ #include <asm/insn-eval.h> #include <asm/pgtable.h> -/* TDX module Call Leaf IDs */ -#define TDX_GET_INFO 1 -#define TDX_GET_VEINFO 3 -#define TDX_GET_REPORT 4 -#define TDX_ACCEPT_PAGE 6 -#define TDX_WR 8 - -/* TDCS fields. To be used by TDG.VM.WR and TDG.VM.RD module calls */ -#define TDCS_NOTIFY_ENABLES 0x9100000000000010 - -/* TDX hypercall Leaf IDs */ -#define TDVMCALL_MAP_GPA 0x10001 -#define TDVMCALL_REPORT_FATAL_ERROR 0x10003 - /* MMIO direction */ #define EPT_READ 0 #define EPT_WRITE 1 @@ -51,24 +37,6 @@ #define TDREPORT_SUBTYPE_0 0 -/* - * Wrapper for standard use of __tdx_hypercall with no output aside from - * return code. - */ -static inline u64 _tdx_hypercall(u64 fn, u64 r12, u64 r13, u64 r14, u64 r15) -{ - struct tdx_hypercall_args args = { - .r10 = TDX_HYPERCALL_STANDARD, - .r11 = fn, - .r12 = r12, - .r13 = r13, - .r14 = r14, - .r15 = r15, - }; - - return __tdx_hypercall(&args); -} - /* Called from __tdx_hypercall() for unrecoverable failure */ noinstr void __tdx_hypercall_failed(void) { |