diff options
| author | Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2024-11-04 12:38:01 +0200 |
|---|---|---|
| committer | Dave Hansen <dave.hansen@linux.intel.com> | 2024-11-07 10:26:37 -0800 |
| commit | b064043d9565786b385f85e6436ca5716bbd5552 (patch) | |
| tree | 38638448ac00ed78675578aedfdebf285ba18b34 /arch/x86/coco/tdx/tdx.c | |
| parent | 5081e8fadb809253c911b349b01d87c5b4e3fec5 (diff) | |
x86/tdx: Rename tdx_parse_tdinfo() to tdx_setup()
Rename tdx_parse_tdinfo() to tdx_setup() and move setting NOTIFY_ENABLES
there.
The function will be extended to adjust TD configuration.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Signed-off-by: Dave Hansen <dave.hansen@linux.intel.com>
Reviewed-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Reviewed-by: Kai Huang <kai.huang@intel.com>
Link: https://lore.kernel.org/all/20241104103803.195705-3-kirill.shutemov%40linux.intel.com
Diffstat (limited to 'arch/x86/coco/tdx/tdx.c')
| -rw-r--r-- | arch/x86/coco/tdx/tdx.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/arch/x86/coco/tdx/tdx.c b/arch/x86/coco/tdx/tdx.c index c74bb9e7d7a3..28b321a95a5e 100644 --- a/arch/x86/coco/tdx/tdx.c +++ b/arch/x86/coco/tdx/tdx.c @@ -194,7 +194,7 @@ static void __noreturn tdx_panic(const char *msg) __tdx_hypercall(&args); } -static void tdx_parse_tdinfo(u64 *cc_mask) +static void tdx_setup(u64 *cc_mask) { struct tdx_module_args args = {}; unsigned int gpa_width; @@ -219,6 +219,9 @@ static void tdx_parse_tdinfo(u64 *cc_mask) gpa_width = args.rcx & GENMASK(5, 0); *cc_mask = BIT_ULL(gpa_width - 1); + /* Kernel does not use NOTIFY_ENABLES and does not need random #VEs */ + tdg_vm_wr(TDCS_NOTIFY_ENABLES, 0, -1ULL); + /* * The kernel can not handle #VE's when accessing normal kernel * memory. Ensure that no #VE will be delivered for accesses to @@ -969,11 +972,11 @@ void __init tdx_early_init(void) setup_force_cpu_cap(X86_FEATURE_TSC_RELIABLE); cc_vendor = CC_VENDOR_INTEL; - tdx_parse_tdinfo(&cc_mask); - cc_set_mask(cc_mask); - /* Kernel does not use NOTIFY_ENABLES and does not need random #VEs */ - tdg_vm_wr(TDCS_NOTIFY_ENABLES, 0, -1ULL); + /* Configure the TD */ + tdx_setup(&cc_mask); + + cc_set_mask(cc_mask); /* * All bits above GPA width are reserved and kernel treats shared bit |