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authorJames Hogan <james.hogan@imgtec.com>2017-03-14 11:15:23 +0100
committerJames Hogan <james.hogan@imgtec.com>2017-03-28 15:53:49 +0200
commitedab4fe1f6419fc3a1de3b134929ae2123bea3ad (patch)
tree96276ad80364be42514b6243b74a032954e04087 /arch/mips/kvm
parentKVM: MIPS: Add callback to check extension (diff)
downloadlinux-edab4fe1f6419fc3a1de3b134929ae2123bea3ad.tar.xz
linux-edab4fe1f6419fc3a1de3b134929ae2123bea3ad.zip
KVM: MIPS: Add hardware_{enable,disable} callback
Add an implementation callback for the kvm_arch_hardware_enable() and kvm_arch_hardware_disable() architecture functions, with simple stubs for trap & emulate. This is in preparation for VZ which will make use of them. 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: linux-mips@linux-mips.org Cc: kvm@vger.kernel.org
Diffstat (limited to 'arch/mips/kvm')
-rw-r--r--arch/mips/kvm/mips.c7
-rw-r--r--arch/mips/kvm/trap_emul.c11
2 files changed, 17 insertions, 1 deletions
diff --git a/arch/mips/kvm/mips.c b/arch/mips/kvm/mips.c
index 78d58c2528a9..5681117083af 100644
--- a/arch/mips/kvm/mips.c
+++ b/arch/mips/kvm/mips.c
@@ -92,7 +92,12 @@ int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu)
int kvm_arch_hardware_enable(void)
{
- return 0;
+ return kvm_mips_callbacks->hardware_enable();
+}
+
+void kvm_arch_hardware_disable(void)
+{
+ kvm_mips_callbacks->hardware_disable();
}
int kvm_arch_hardware_setup(void)
diff --git a/arch/mips/kvm/trap_emul.c b/arch/mips/kvm/trap_emul.c
index db3c48634eda..50b812bfe083 100644
--- a/arch/mips/kvm/trap_emul.c
+++ b/arch/mips/kvm/trap_emul.c
@@ -488,6 +488,15 @@ static int kvm_trap_emul_handle_msa_disabled(struct kvm_vcpu *vcpu)
return ret;
}
+static int kvm_trap_emul_hardware_enable(void)
+{
+ return 0;
+}
+
+static void kvm_trap_emul_hardware_disable(void)
+{
+}
+
static int kvm_trap_emul_check_extension(struct kvm *kvm, long ext)
{
int r;
@@ -1254,6 +1263,8 @@ static struct kvm_mips_callbacks kvm_trap_emul_callbacks = {
.handle_fpe = kvm_trap_emul_handle_fpe,
.handle_msa_disabled = kvm_trap_emul_handle_msa_disabled,
+ .hardware_enable = kvm_trap_emul_hardware_enable,
+ .hardware_disable = kvm_trap_emul_hardware_disable,
.check_extension = kvm_trap_emul_check_extension,
.vcpu_init = kvm_trap_emul_vcpu_init,
.vcpu_uninit = kvm_trap_emul_vcpu_uninit,