diff mbox

[v7,3/4] KVM: arm/arm64: implement kvm_arch_intc_initialized

Message ID 1421333267-15287-4-git-send-email-eric.auger@linaro.org (mailing list archive)
State New, archived
Headers show

Commit Message

Eric Auger Jan. 15, 2015, 2:47 p.m. UTC 
On arm/arm64 the VGIC is dynamically instantiated and it is useful
to expose its state, especially for irqfd setup.

This patch defines __KVM_HAVE_ARCH_INTC_INITIALIZED and
implements kvm_arch_intc_initialized.

Signed-off-by: Eric Auger <eric.auger@linaro.org>
Acked-by: Christoffer Dall <christoffer.dall@linaro.org>

---

v6 -> v7:
- usage of the new function in irqfd is introduced in previous patch
  file.
- Changed the title and the commit message accordingly

v5 -> v6:
- remove kvm_arch_intc_initialized declaration from
  architecture specific kvm_host.h since it is now in
  generic kvm_host.h
- squash v5 patch files 3 & 4
---
 arch/arm/include/asm/kvm_host.h   | 2 ++
 arch/arm/kvm/arm.c                | 5 +++++
 arch/arm64/include/asm/kvm_host.h | 2 ++
 3 files changed, 9 insertions(+)

Comments

Andre Przywara Jan. 16, 2015, 9:36 a.m. UTC | #1 
On 01/15/2015 02:47 PM, Eric Auger wrote:
> On arm/arm64 the VGIC is dynamically instantiated and it is useful
> to expose its state, especially for irqfd setup.
> 
> This patch defines __KVM_HAVE_ARCH_INTC_INITIALIZED and
> implements kvm_arch_intc_initialized.
> 
> Signed-off-by: Eric Auger <eric.auger@linaro.org>
> Acked-by: Christoffer Dall <christoffer.dall@linaro.org>

Reviewed-by: Andre Przywara <andre.przywara@arm.com>

Cheers,
Andre.
diff mbox

Patch

diff --git a/arch/arm/include/asm/kvm_host.h b/arch/arm/include/asm/kvm_host.h
index 254e065..8f87259 100644
--- a/arch/arm/include/asm/kvm_host.h
+++ b/arch/arm/include/asm/kvm_host.h
@@ -27,6 +27,8 @@ 
 #include <asm/fpstate.h>
 #include <kvm/arm_arch_timer.h>
 
+#define __KVM_HAVE_ARCH_INTC_INITIALIZED
+
 #if defined(CONFIG_KVM_ARM_MAX_VCPUS)
 #define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS
 #else
diff --git a/arch/arm/kvm/arm.c b/arch/arm/kvm/arm.c
index 2d6d910..9c905b4 100644
--- a/arch/arm/kvm/arm.c
+++ b/arch/arm/kvm/arm.c
@@ -454,6 +454,11 @@  static int kvm_vcpu_first_run_init(struct kvm_vcpu *vcpu)
 	return 0;
 }
 
+bool kvm_arch_intc_initialized(struct kvm *kvm)
+{
+	return vgic_initialized(kvm);
+}
+
 static void vcpu_pause(struct kvm_vcpu *vcpu)
 {
 	wait_queue_head_t *wq = kvm_arch_vcpu_wq(vcpu);
diff --git a/arch/arm64/include/asm/kvm_host.h b/arch/arm64/include/asm/kvm_host.h
index 0b7dfdb..dfb6135 100644
--- a/arch/arm64/include/asm/kvm_host.h
+++ b/arch/arm64/include/asm/kvm_host.h
@@ -28,6 +28,8 @@ 
 #include <asm/kvm_asm.h>
 #include <asm/kvm_mmio.h>
 
+#define __KVM_HAVE_ARCH_INTC_INITIALIZED
+
 #if defined(CONFIG_KVM_ARM_MAX_VCPUS)
 #define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS
 #else