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[Qemu-devel] [PATCH v3 2/5] kvm: add kvm_enable_cap_{vm,vcpu}
From: |
Cornelia Huck |
Subject: |
[Qemu-devel] [PATCH v3 2/5] kvm: add kvm_enable_cap_{vm,vcpu} |
Date: |
Fri, 21 Mar 2014 13:52:34 +0100 |
Provide helper functions for enabling capabilities (on a vcpu and on a vm).
Reviewed-by: Thomas Huth <address@hidden>
Signed-off-by: Cornelia Huck <address@hidden>
---
include/sysemu/kvm.h | 4 ++++
kvm-all.c | 19 ++++++++++++++++++-
2 files changed, 22 insertions(+), 1 deletion(-)
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index 0bee1e8..d89911c 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -294,6 +294,10 @@ bool kvm_arch_stop_on_emulation_error(CPUState *cpu);
int kvm_check_extension(KVMState *s, unsigned int extension);
+int kvm_enable_cap_vm(KVMState *s, unsigned int capability);
+
+int kvm_enable_cap_vcpu(CPUState *cpu, unsigned int capability);
+
uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function,
uint32_t index, int reg);
diff --git a/kvm-all.c b/kvm-all.c
index 82a9119..658690f 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -501,7 +501,24 @@ int kvm_check_extension(KVMState *s, unsigned int
extension)
return ret;
}
-static int kvm_set_ioeventfd_mmio(int fd, hwaddr addr, uint32_t val,
+int kvm_enable_cap_vm(KVMState *s, unsigned int capability)
+{
+ struct kvm_enable_cap cap = {};
+
+ cap.cap = capability;
+ return kvm_vm_ioctl(s, KVM_ENABLE_CAP, &cap);
+}
+
+int kvm_enable_cap_vcpu(CPUState *cpu, unsigned int capability)
+{
+ struct kvm_enable_cap cap = {};
+
+ cap.cap = capability;
+ return kvm_vcpu_ioctl(cpu, KVM_ENABLE_CAP, &cap);
+}
+
+
+static int kvm_set_ioeventfd_mmio(int fd, uint32_t addr, uint32_t val,
bool assign, uint32_t size, bool datamatch)
{
int ret;
--
1.7.9.5
- [Qemu-devel] [PATCH v3 0/5] qemu: irqfds for s390x, Cornelia Huck, 2014/03/21
- [Qemu-devel] [PATCH v3 3/5] s390x: Add I/O adapter registration., Cornelia Huck, 2014/03/21
- [Qemu-devel] [PATCH v3 2/5] kvm: add kvm_enable_cap_{vm,vcpu},
Cornelia Huck <=
- [Qemu-devel] [PATCH v3 5/5] s390x/virtio-ccw: Wire up irq routing and irqfds., Cornelia Huck, 2014/03/21
- [Qemu-devel] [PATCH v3 1/5] linux-headers: add new interfaces, Cornelia Huck, 2014/03/21
- [Qemu-devel] [PATCH v3 4/5] s390x/virtio-ccw: reference-counted indicators, Cornelia Huck, 2014/03/21
- Re: [Qemu-devel] [PATCH v3 0/5] qemu: irqfds for s390x, Christian Borntraeger, 2014/03/27