x86: TSC deadline definitions

This pre-defination is preparing for KVM tsc deadline timer emulation, but
theirself are not kvm specific.

Signed-off-by: Liu, Jinsong <jinsong.liu@intel.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

diff --git a/arch/x86/include/asm/apicdef.h b/arch/x86/include/asm/apicdef.h
index 34595d5..3925d80 100644 (file)
--- a/arch/x86/include/asm/apicdef.h
+++ b/arch/x86/include/asm/apicdef.h
@@ -100,7 +100,9 @@
 #define                APIC_TIMER_BASE_CLKIN           0x0
 #define                APIC_TIMER_BASE_TMBASE          0x1
 #define                APIC_TIMER_BASE_DIV             0x2
+#define                APIC_LVT_TIMER_ONESHOT          (0 << 17)
 #define                APIC_LVT_TIMER_PERIODIC         (1 << 17)
+#define                APIC_LVT_TIMER_TSCDEADLINE      (2 << 17)
 #define                APIC_LVT_MASKED                 (1 << 16)
 #define                APIC_LVT_LEVEL_TRIGGER          (1 << 15)
 #define                APIC_LVT_REMOTE_IRR             (1 << 14)

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 88b23a4..94dfb0a 100644 (file)
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -120,6 +120,7 @@
 #define X86_FEATURE_X2APIC     (4*32+21) /* x2APIC */
 #define X86_FEATURE_MOVBE      (4*32+22) /* MOVBE instruction */
 #define X86_FEATURE_POPCNT      (4*32+23) /* POPCNT instruction */
+#define X86_FEATURE_TSC_DEADLINE_TIMER (4*32+24) /* Tsc deadline timer */
 #define X86_FEATURE_AES                (4*32+25) /* AES instructions */
 #define X86_FEATURE_XSAVE      (4*32+26) /* XSAVE/XRSTOR/XSETBV/XGETBV */
 #define X86_FEATURE_OSXSAVE    (4*32+27) /* "" XSAVE enabled in the OS */

diff --git a/arch/x86/include/asm/msr-index.h b/arch/x86/include/asm/msr-index.h
index d52609a..a6962d9 100644 (file)
--- a/arch/x86/include/asm/msr-index.h
+++ b/arch/x86/include/asm/msr-index.h
@@ -229,6 +229,8 @@
 #define MSR_IA32_APICBASE_ENABLE       (1<<11)
 #define MSR_IA32_APICBASE_BASE         (0xfffff<<12)
 
+#define MSR_IA32_TSCDEADLINE           0x000006e0
+
 #define MSR_IA32_UCODE_WRITE           0x00000079
 #define MSR_IA32_UCODE_REV             0x0000008b