diff options
| author |   Kirill A. Shutemov <kirill.shutemov@linux.intel.com> | 2018-03-05 19:25:52 +0300 |
|---|---|---|
| committer |   Ingo Molnar <mingo@kernel.org> | 2018-03-12 12:10:54 +0100 |
| commit | be7825c19b4866ddc7b1431740b69ede2eeb93c1 (patch) | |
| tree | 50745124ec8ec6087abc90df7a790ac68060c7d1 /arch/x86/include/asm/intel_pconfig.h | |
| parent | x86/tme: Detect if TME and MKTME is activated by BIOS (diff) | |
| download | wireguard-linux-be7825c19b4866ddc7b1431740b69ede2eeb93c1.tar.xz wireguard-linux-be7825c19b4866ddc7b1431740b69ede2eeb93c1.zip | |
x86/pconfig: Detect PCONFIG targets
Intel PCONFIG targets are enumerated via new CPUID leaf 0x1b. This patch
detects all supported targets of PCONFIG and implements helper to check
if the target is supported.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Kai Huang <kai.huang@linux.intel.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: linux-mm@kvack.org
Link: http://lkml.kernel.org/r/20180305162610.37510-5-kirill.shutemov@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/include/asm/intel_pconfig.h')
| -rw-r--r-- | arch/x86/include/asm/intel_pconfig.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/x86/include/asm/intel_pconfig.h b/arch/x86/include/asm/intel_pconfig.h new file mode 100644 index 000000000000..fb7a37c3798b --- /dev/null +++ b/arch/x86/include/asm/intel_pconfig.h @@ -0,0 +1,15 @@ +#ifndef _ASM_X86_INTEL_PCONFIG_H +#define _ASM_X86_INTEL_PCONFIG_H + +#include <asm/asm.h> +#include <asm/processor.h> + +enum pconfig_target { + INVALID_TARGET = 0, + MKTME_TARGET = 1, + PCONFIG_TARGET_NR +}; + +int pconfig_target_supported(enum pconfig_target target); + +#endif /* _ASM_X86_INTEL_PCONFIG_H */ |