From dffe042fd8b2cc174966b929b379503af2c97933 Mon Sep 17 00:00:00 2001 From: James Hogan Date: Tue, 14 Mar 2017 10:15:34 +0000 Subject: KVM: MIPS/VZ: Support guest CP0_[X]ContextConfig Add support for VZ guest CP0_ContextConfig and CP0_XContextConfig (MIPS64 only) registers, as found on P5600 and P6600 cores. These guest registers need initialising, context switching, and exposing via the KVM ioctl API when they are present. Signed-off-by: James Hogan Cc: Paolo Bonzini Cc: "Radim Krčmář" Cc: Ralf Baechle Cc: Jonathan Corbet Cc: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org Cc: linux-doc@vger.kernel.org --- arch/mips/include/asm/kvm_host.h | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'arch/mips/include/asm/kvm_host.h') diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h index 3a9ca3326315..5066d89f2227 100644 --- a/arch/mips/include/asm/kvm_host.h +++ b/arch/mips/include/asm/kvm_host.h @@ -34,7 +34,9 @@ #define KVM_REG_MIPS_CP0_ENTRYLO0 MIPS_CP0_64(2, 0) #define KVM_REG_MIPS_CP0_ENTRYLO1 MIPS_CP0_64(3, 0) #define KVM_REG_MIPS_CP0_CONTEXT MIPS_CP0_64(4, 0) +#define KVM_REG_MIPS_CP0_CONTEXTCONFIG MIPS_CP0_32(4, 1) #define KVM_REG_MIPS_CP0_USERLOCAL MIPS_CP0_64(4, 2) +#define KVM_REG_MIPS_CP0_XCONTEXTCONFIG MIPS_CP0_64(4, 3) #define KVM_REG_MIPS_CP0_PAGEMASK MIPS_CP0_32(5, 0) #define KVM_REG_MIPS_CP0_PAGEGRAIN MIPS_CP0_32(5, 1) #define KVM_REG_MIPS_CP0_WIRED MIPS_CP0_32(6, 0) @@ -665,7 +667,9 @@ __BUILD_KVM_RW_HW(index, 32, MIPS_CP0_TLB_INDEX, 0) __BUILD_KVM_RW_HW(entrylo0, l, MIPS_CP0_TLB_LO0, 0) __BUILD_KVM_RW_HW(entrylo1, l, MIPS_CP0_TLB_LO1, 0) __BUILD_KVM_RW_HW(context, l, MIPS_CP0_TLB_CONTEXT, 0) +__BUILD_KVM_RW_HW(contextconfig, 32, MIPS_CP0_TLB_CONTEXT, 1) __BUILD_KVM_RW_HW(userlocal, l, MIPS_CP0_TLB_CONTEXT, 2) +__BUILD_KVM_RW_HW(xcontextconfig, l, MIPS_CP0_TLB_CONTEXT, 3) __BUILD_KVM_RW_HW(pagemask, l, MIPS_CP0_TLB_PG_MASK, 0) __BUILD_KVM_RW_HW(pagegrain, 32, MIPS_CP0_TLB_PG_MASK, 1) __BUILD_KVM_RW_HW(wired, 32, MIPS_CP0_TLB_WIRED, 0) -- cgit v1.2.3-55-g7522