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authorNikolay Nikolaev <n.nikolaev@virtualopensystems.com>2015-03-26 14:39:28 +0000
committerMarc Zyngier <marc.zyngier@arm.com>2015-03-26 21:43:11 +0000
commite32edf4fd0fa4897e12ca66118ab67bf257e16e4 (patch)
tree8bd79dc3e3d03576e084ce2dbbde68c95fdd0ea8 /arch/powerpc/kvm
parent1a74847885cc87857d631f91cca4d83924f75674 (diff)
downloadlinux-e32edf4fd0fa4897e12ca66118ab67bf257e16e4.tar.bz2
KVM: Redesign kvm_io_bus_ API to pass VCPU structure to the callbacks.
This is needed in e.g. ARM vGIC emulation, where the MMIO handling depends on the VCPU that does the access. Signed-off-by: Nikolay Nikolaev <n.nikolaev@virtualopensystems.com> Signed-off-by: Andre Przywara <andre.przywara@arm.com> Acked-by: Paolo Bonzini <pbonzini@redhat.com> Acked-by: Christoffer Dall <christoffer.dall@linaro.org> Reviewed-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/powerpc/kvm')
-rw-r--r--arch/powerpc/kvm/mpic.c10
-rw-r--r--arch/powerpc/kvm/powerpc.c4
2 files changed, 8 insertions, 6 deletions
diff --git a/arch/powerpc/kvm/mpic.c b/arch/powerpc/kvm/mpic.c
index 39b3a8f816f2..8542f07491d4 100644
--- a/arch/powerpc/kvm/mpic.c
+++ b/arch/powerpc/kvm/mpic.c
@@ -1374,8 +1374,9 @@ static int kvm_mpic_write_internal(struct openpic *opp, gpa_t addr, u32 val)
return -ENXIO;
}
-static int kvm_mpic_read(struct kvm_io_device *this, gpa_t addr,
- int len, void *ptr)
+static int kvm_mpic_read(struct kvm_vcpu *vcpu,
+ struct kvm_io_device *this,
+ gpa_t addr, int len, void *ptr)
{
struct openpic *opp = container_of(this, struct openpic, mmio);
int ret;
@@ -1415,8 +1416,9 @@ static int kvm_mpic_read(struct kvm_io_device *this, gpa_t addr,
return ret;
}
-static int kvm_mpic_write(struct kvm_io_device *this, gpa_t addr,
- int len, const void *ptr)
+static int kvm_mpic_write(struct kvm_vcpu *vcpu,
+ struct kvm_io_device *this,
+ gpa_t addr, int len, const void *ptr)
{
struct openpic *opp = container_of(this, struct openpic, mmio);
int ret;
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 27c0face86f4..24bfe401373e 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -807,7 +807,7 @@ int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
idx = srcu_read_lock(&vcpu->kvm->srcu);
- ret = kvm_io_bus_read(vcpu->kvm, KVM_MMIO_BUS, run->mmio.phys_addr,
+ ret = kvm_io_bus_read(vcpu, KVM_MMIO_BUS, run->mmio.phys_addr,
bytes, &run->mmio.data);
srcu_read_unlock(&vcpu->kvm->srcu, idx);
@@ -880,7 +880,7 @@ int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
idx = srcu_read_lock(&vcpu->kvm->srcu);
- ret = kvm_io_bus_write(vcpu->kvm, KVM_MMIO_BUS, run->mmio.phys_addr,
+ ret = kvm_io_bus_write(vcpu, KVM_MMIO_BUS, run->mmio.phys_addr,
bytes, &run->mmio.data);
srcu_read_unlock(&vcpu->kvm->srcu, idx);