diff options
| author | Cornelia Huck <cornelia.huck@de.ibm.com> | 2013-10-23 18:19:26 +0200 |
|---|---|---|
| committer | Cornelia Huck <cornelia.huck@de.ibm.com> | 2014-04-30 14:39:39 +0200 |
| commit | 40f1ee27aa14494c155e4062afa83523e7817f40 (patch) | |
| tree | 5fd01cff61e3e1c2324d7378eabae96e6cddaa55 | |
| parent | b006f8162e11f0395689a684d6e871b047c23481 (diff) | |
kvm: add kvm_{vm,vcpu}_enable_cap
Provide helper functions for enabling capabilities (on a vcpu and on a vm).
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
| -rw-r--r-- | include/sysemu/kvm.h | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h index 0bee1e8996..192fe893b7 100644 --- a/include/sysemu/kvm.h +++ b/include/sysemu/kvm.h @@ -294,6 +294,36 @@ bool kvm_arch_stop_on_emulation_error(CPUState *cpu); int kvm_check_extension(KVMState *s, unsigned int extension); +#define kvm_vm_enable_cap(s, capability, cap_flags, ...) \ + ({ \ + struct kvm_enable_cap cap = { \ + .cap = capability, \ + .flags = cap_flags, \ + }; \ + uint64_t args_tmp[] = { __VA_ARGS__ }; \ + int i; \ + for (i = 0; i < ARRAY_SIZE(args_tmp) && \ + i < ARRAY_SIZE(cap.args); i++) { \ + cap.args[i] = args_tmp[i]; \ + } \ + kvm_vm_ioctl(s, KVM_ENABLE_CAP, &cap); \ + }) + +#define kvm_vcpu_enable_cap(cpu, capability, cap_flags, ...) \ + ({ \ + struct kvm_enable_cap cap = { \ + .cap = capability, \ + .flags = cap_flags, \ + }; \ + uint64_t args_tmp[] = { __VA_ARGS__ }; \ + int i; \ + for (i = 0; i < ARRAY_SIZE(args_tmp) && \ + i < ARRAY_SIZE(cap.args); i++) { \ + cap.args[i] = args_tmp[i]; \ + } \ + kvm_vcpu_ioctl(cpu, KVM_ENABLE_CAP, &cap); \ + }) + uint32_t kvm_arch_get_supported_cpuid(KVMState *env, uint32_t function, uint32_t index, int reg); |