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authorJames Hogan <james.hogan@imgtec.com>2017-03-14 10:15:36 +0000
committerJames Hogan <james.hogan@imgtec.com>2017-03-28 14:53:57 +0100
commit5a2f352f343ac9b4e869ff29b3a0a833c870303b (patch)
treecb390ef9ea31a82c617a163b3fdcddab76f22f86 /Documentation/virtual
parentKVM: MIPS/VZ: Support guest segmentation control (diff)
downloadlinux-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 'Documentation/virtual')
-rw-r--r--Documentation/virtual/kvm/api.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index 45194363a160..b108238dc9dc 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -2081,7 +2081,11 @@ registers, find a list below:
MIPS | KVM_REG_MIPS_CP0_SEGCTL0 | 64
MIPS | KVM_REG_MIPS_CP0_SEGCTL1 | 64
MIPS | KVM_REG_MIPS_CP0_SEGCTL2 | 64
+ MIPS | KVM_REG_MIPS_CP0_PWBASE | 64
+ MIPS | KVM_REG_MIPS_CP0_PWFIELD | 64
+ MIPS | KVM_REG_MIPS_CP0_PWSIZE | 64
MIPS | KVM_REG_MIPS_CP0_WIRED | 32
+ MIPS | KVM_REG_MIPS_CP0_PWCTL | 32
MIPS | KVM_REG_MIPS_CP0_HWRENA | 32
MIPS | KVM_REG_MIPS_CP0_BADVADDR | 64
MIPS | KVM_REG_MIPS_CP0_BADINSTR | 32