kvm: add kvm_{vm,vcpu}_enable_cap

[qemu.git] / include / sysemu / kvm.h

diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index c9825702c97357e9cdf799cf070e3e3d8bd7043f..192fe893b7cc59d18df4fa8efde161917eeb6a9d 100644 (file)
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -18,7 +18,6 @@
 #include "config-host.h"
 #include "qemu/queue.h"
 #include "qom/cpu.h"
-#include "sysemu/qemumachine.h"
 
 #ifdef CONFIG_KVM
 #include <linux/kvm.h>
@@ -153,7 +152,7 @@ extern KVMState *kvm_state;
 
 /* external API */
 
-int kvm_init(void);
+int kvm_init(QEMUMachine *machine);
 
 int kvm_has_sync_mmu(void);
 int kvm_has_vcpu_events(void);
@@ -295,6 +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);