From 40f1ee27aa14494c155e4062afa83523e7817f40 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Wed, 23 Oct 2013 18:19:26 +0200 Subject: [PATCH] kvm: add kvm_{vm,vcpu}_enable_cap Provide helper functions for enabling capabilities (on a vcpu and on a vm). Reviewed-by: Thomas Huth Reviewed-by: Alexander Graf Signed-off-by: Cornelia Huck --- include/sysemu/kvm.h | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) 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);