diff options
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/kvm/arm.c | 7 | ||||
-rw-r--r-- | arch/arm/kvm/guest.c | 6 | ||||
-rw-r--r-- | arch/arm64/kvm/guest.c | 27 |
3 files changed, 33 insertions, 7 deletions
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c index bc738d2b8392..1b693cb2d5b2 100644 --- a/arch/arm/kvm/arm.c +++ b/arch/arm/kvm/arm.c @@ -301,13 +301,6 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) kvm_arm_set_running_vcpu(NULL); } -int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, - struct kvm_guest_debug *dbg) -{ - return -EINVAL; -} - - int kvm_arch_vcpu_ioctl_get_mpstate(struct kvm_vcpu *vcpu, struct kvm_mp_state *mp_state) { diff --git a/arch/arm/kvm/guest.c b/arch/arm/kvm/guest.c index d503fbb787d3..96e935bbc38c 100644 --- a/arch/arm/kvm/guest.c +++ b/arch/arm/kvm/guest.c @@ -290,3 +290,9 @@ int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, { return -EINVAL; } + +int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, + struct kvm_guest_debug *dbg) +{ + return -EINVAL; +} diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c index 9535bd555d1d..0ba86775235d 100644 --- a/arch/arm64/kvm/guest.c +++ b/arch/arm64/kvm/guest.c @@ -331,3 +331,30 @@ int kvm_arch_vcpu_ioctl_translate(struct kvm_vcpu *vcpu, { return -EINVAL; } + +#define KVM_GUESTDBG_VALID_MASK (KVM_GUESTDBG_ENABLE) + +/** + * kvm_arch_vcpu_ioctl_set_guest_debug - set up guest debugging + * @kvm: pointer to the KVM struct + * @kvm_guest_debug: the ioctl data buffer + * + * This sets up and enables the VM for guest debugging. Userspace + * passes in a control flag to enable different debug types and + * potentially other architecture specific information in the rest of + * the structure. + */ +int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, + struct kvm_guest_debug *dbg) +{ + if (dbg->control & ~KVM_GUESTDBG_VALID_MASK) + return -EINVAL; + + if (dbg->control & KVM_GUESTDBG_ENABLE) { + vcpu->guest_debug = dbg->control; + } else { + /* If not enabled clear all flags */ + vcpu->guest_debug = 0; + } + return 0; +} |