diff options
| author |   James Hogan <james.hogan@imgtec.com> | 2017-03-14 10:15:36 +0000 |
|---|---|---|
| committer | James Hogan <james.hogan@imgtec.com> | 2017-03-28 14:53:57 +0100 |
| commit | 5a2f352f343ac9b4e869ff29b3a0a833c870303b (patch) | |
| tree | cb390ef9ea31a82c617a163b3fdcddab76f22f86 /arch/mips/include/asm/kvm_host.h | |
| parent | KVM: MIPS/VZ: Support guest segmentation control (diff) | |
| download | linux-dev-5a2f352f343ac9b4e869ff29b3a0a833c870303b.tar.xz linux-dev-5a2f352f343ac9b4e869ff29b3a0a833c870303b.zip | |
KVM: MIPS/VZ: Support guest hardware page table walker
Add support for VZ guest CP0_PWBase, CP0_PWField, CP0_PWSize, and
CP0_PWCtl registers for controlling the guest hardware page table walker
(HTW) present on P5600 and P6600 cores. These guest registers need
initialising on R6, context switching, and exposing via the KVM ioctl
API when they are present.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: linux-mips@linux-mips.org
Cc: kvm@vger.kernel.org
Cc: linux-doc@vger.kernel.org
Diffstat (limited to 'arch/mips/include/asm/kvm_host.h')
| -rw-r--r-- | arch/mips/include/asm/kvm_host.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/mips/include/asm/kvm_host.h b/arch/mips/include/asm/kvm_host.h index b2129c031df7..8d016ab3a8b9 100644 --- a/arch/mips/include/asm/kvm_host.h +++ b/arch/mips/include/asm/kvm_host.h @@ -42,7 +42,11 @@ #define KVM_REG_MIPS_CP0_SEGCTL0 MIPS_CP0_64(5, 2) #define KVM_REG_MIPS_CP0_SEGCTL1 MIPS_CP0_64(5, 3) #define KVM_REG_MIPS_CP0_SEGCTL2 MIPS_CP0_64(5, 4) +#define KVM_REG_MIPS_CP0_PWBASE MIPS_CP0_64(5, 5) +#define KVM_REG_MIPS_CP0_PWFIELD MIPS_CP0_64(5, 6) +#define KVM_REG_MIPS_CP0_PWSIZE MIPS_CP0_64(5, 7) #define KVM_REG_MIPS_CP0_WIRED MIPS_CP0_32(6, 0) +#define KVM_REG_MIPS_CP0_PWCTL MIPS_CP0_32(6, 6) #define KVM_REG_MIPS_CP0_HWRENA MIPS_CP0_32(7, 0) #define KVM_REG_MIPS_CP0_BADVADDR MIPS_CP0_64(8, 0) #define KVM_REG_MIPS_CP0_BADINSTR MIPS_CP0_32(8, 1) @@ -678,7 +682,11 @@ __BUILD_KVM_RW_HW(pagegrain, 32, MIPS_CP0_TLB_PG_MASK, 1) __BUILD_KVM_RW_HW(segctl0, l, MIPS_CP0_TLB_PG_MASK, 2) __BUILD_KVM_RW_HW(segctl1, l, MIPS_CP0_TLB_PG_MASK, 3) __BUILD_KVM_RW_HW(segctl2, l, MIPS_CP0_TLB_PG_MASK, 4) +__BUILD_KVM_RW_HW(pwbase, l, MIPS_CP0_TLB_PG_MASK, 5) +__BUILD_KVM_RW_HW(pwfield, l, MIPS_CP0_TLB_PG_MASK, 6) +__BUILD_KVM_RW_HW(pwsize, l, MIPS_CP0_TLB_PG_MASK, 7) __BUILD_KVM_RW_HW(wired, 32, MIPS_CP0_TLB_WIRED, 0) +__BUILD_KVM_RW_HW(pwctl, 32, MIPS_CP0_TLB_WIRED, 6) __BUILD_KVM_RW_HW(hwrena, 32, MIPS_CP0_HWRENA, 0) __BUILD_KVM_RW_HW(badvaddr, l, MIPS_CP0_BAD_VADDR, 0) __BUILD_KVM_RW_HW(badinstr, 32, MIPS_CP0_BAD_VADDR, 1) |