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x86, apicv: add APICv register virtualization support

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- APIC read doesn't cause VM-Exit
- APIC write becomes trap-like

Reviewed-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Kevin Tian <kevin.tian@intel.com>
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
This commit is contained in:
Yang Zhang
2013-01-25 10:18:49 +08:00
committed by Gleb Natapov
parent d47510e295
commit 83d4c28693
4 changed files with 51 additions and 1 deletions
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2
arch/x86/include/asm/vmx.h
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@@ -66,6 +66,7 @@
#define EXIT_REASON_EPT_MISCONFIG 49
#define EXIT_REASON_WBINVD 54
#define EXIT_REASON_XSETBV 55
#define EXIT_REASON_APIC_WRITE 56
#define EXIT_REASON_INVPCID 58
#define VMX_EXIT_REASONS \
@@ -141,6 +142,7 @@
#define SECONDARY_EXEC_ENABLE_VPID 0x00000020
#define SECONDARY_EXEC_WBINVD_EXITING 0x00000040
#define SECONDARY_EXEC_UNRESTRICTED_GUEST 0x00000080
#define SECONDARY_EXEC_APIC_REGISTER_VIRT 0x00000100
#define SECONDARY_EXEC_PAUSE_LOOP_EXITING 0x00000400
#define SECONDARY_EXEC_ENABLE_INVPCID 0x00001000