diff options
author | Pavel Fedin <p.fedin@samsung.com> | 2015-09-24 01:29:37 +0100 |
---|---|---|
committer | Peter Maydell <peter.maydell@linaro.org> | 2015-09-24 01:29:37 +0100 |
commit | 34e85cd9173816cd48f5578c7838c26afbe592c4 (patch) | |
tree | 0ca03c4d4f9f7933370704357c4fe9f39060bf31 | |
parent | 4b3cfe72d9b9c53be31a88e7eebdda14f1757d3e (diff) |
arm_kvm: Do not assume particular GIC type in kvm_arch_irqchip_create()
This allows us to use different GIC types from v2. There are no kernels
which could advertise KVM_CAP_DEVICE_CTRL without the actual ability to
create GIC with it.
GIC version probe code moved to kvm_arm_vgic_probe() which will be used
later.
Signed-off-by: Pavel Fedin <p.fedin@samsung.com>
Reviewed-by: Eric Auger <eric.auger@linaro.org>
Tested-by: Ashok kumar <ashoks@broadcom.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 015f4d9e4a8a50dfbdd734c4730558e24a69c6dc.1441784344.git.p.fedin@samsung.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r-- | target-arm/kvm.c | 19 | ||||
-rw-r--r-- | target-arm/kvm_arm.h | 9 |
2 files changed, 21 insertions, 7 deletions
diff --git a/target-arm/kvm.c b/target-arm/kvm.c index b278542085..6aadcd88f7 100644 --- a/target-arm/kvm.c +++ b/target-arm/kvm.c @@ -585,18 +585,23 @@ void kvm_arch_init_irq_routing(KVMState *s) int kvm_arch_irqchip_create(KVMState *s) { - int ret; - /* If we can create the VGIC using the newer device control API, we * let the device do this when it initializes itself, otherwise we * fall back to the old API */ + return kvm_check_extension(s, KVM_CAP_DEVICE_CTRL); +} - ret = kvm_create_device(s, KVM_DEV_TYPE_ARM_VGIC_V2, true); - if (ret == 0) { - return 1; +int kvm_arm_vgic_probe(void) +{ + if (kvm_create_device(kvm_state, + KVM_DEV_TYPE_ARM_VGIC_V3, true) == 0) { + return 3; + } else if (kvm_create_device(kvm_state, + KVM_DEV_TYPE_ARM_VGIC_V2, true) == 0) { + return 2; + } else { + return 0; } - - return 0; } int kvm_arch_fixup_msi_route(struct kvm_irq_routing_entry *route, diff --git a/target-arm/kvm_arm.h b/target-arm/kvm_arm.h index b3e0ab7e7c..10ce771f65 100644 --- a/target-arm/kvm_arm.h +++ b/target-arm/kvm_arm.h @@ -189,6 +189,15 @@ int kvm_arm_sync_mpstate_to_kvm(ARMCPU *cpu); */ int kvm_arm_sync_mpstate_to_qemu(ARMCPU *cpu); +int kvm_arm_vgic_probe(void); + +#else + +static inline int kvm_arm_vgic_probe(void) +{ + return 0; +} + #endif static inline const char *gic_class_name(void) |