diff options
| author | Borislav Petkov (AMD) <bp@alien8.de> | 2023-03-18 12:56:33 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2023-03-30 14:06:28 +0200 |
| commit | 3d91c537296794d5d0773f61abbe7b63f2f132d8 (patch) | |
| tree | d3e2184d0165db93c9a5b04dfd2911b222fcc5e5 /arch/x86/coco | |
| parent | Linux 6.3-rc3 (diff) | |
| download | linux-3d91c537296794d5d0773f61abbe7b63f2f132d8.tar.xz linux-3d91c537296794d5d0773f61abbe7b63f2f132d8.zip | |
x86/coco: Export cc_vendor
It will be used in different checks in future changes. Export it directly
and provide accessor functions and stubs so this can be used in general
code when CONFIG_ARCH_HAS_CC_PLATFORM is not set.
No functional changes.
[ tglx: Add accessor functions ]
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20230318115634.9392-2-bp@alien8.de
Diffstat (limited to 'arch/x86/coco')
| -rw-r--r-- | arch/x86/coco/core.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/arch/x86/coco/core.c b/arch/x86/coco/core.c index 49b44f881484..684f0a910475 100644 --- a/arch/x86/coco/core.c +++ b/arch/x86/coco/core.c @@ -13,7 +13,7 @@ #include <asm/coco.h> #include <asm/processor.h> -static enum cc_vendor vendor __ro_after_init; +enum cc_vendor cc_vendor __ro_after_init; static u64 cc_mask __ro_after_init; static bool intel_cc_platform_has(enum cc_attr attr) @@ -83,7 +83,7 @@ static bool hyperv_cc_platform_has(enum cc_attr attr) bool cc_platform_has(enum cc_attr attr) { - switch (vendor) { + switch (cc_vendor) { case CC_VENDOR_AMD: return amd_cc_platform_has(attr); case CC_VENDOR_INTEL: @@ -105,7 +105,7 @@ u64 cc_mkenc(u64 val) * - for AMD, bit *set* means the page is encrypted * - for Intel *clear* means encrypted. */ - switch (vendor) { + switch (cc_vendor) { case CC_VENDOR_AMD: return val | cc_mask; case CC_VENDOR_INTEL: @@ -118,7 +118,7 @@ u64 cc_mkenc(u64 val) u64 cc_mkdec(u64 val) { /* See comment in cc_mkenc() */ - switch (vendor) { + switch (cc_vendor) { case CC_VENDOR_AMD: return val & ~cc_mask; case CC_VENDOR_INTEL: @@ -129,11 +129,6 @@ u64 cc_mkdec(u64 val) } EXPORT_SYMBOL_GPL(cc_mkdec); -__init void cc_set_vendor(enum cc_vendor v) -{ - vendor = v; -} - __init void cc_set_mask(u64 mask) { cc_mask = mask; |