[v2,3/3] use upstream kvm_vcpu_ioctl

Commit Message

Glauber Costa Oct. 15, 2009, 4:50 p.m. UTC

None

Patch

diff --git a/kvm-all.c b/kvm-all.c
index 1356aa8..5ea999e 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -861,7 +861,6 @@  int kvm_vm_ioctl(KVMState *s, int type, ...)
     return ret;
 }
 
-#ifdef KVM_UPSTREAM
 int kvm_vcpu_ioctl(CPUState *env, int type, ...)
 {
     int ret;
@@ -879,8 +878,6 @@  int kvm_vcpu_ioctl(CPUState *env, int type, ...)
     return ret;
 }
 
-#endif
-
 int kvm_has_sync_mmu(void)
 {
 #ifdef KVM_CAP_SYNC_MMU
diff --git a/qemu-kvm-x86.c b/qemu-kvm-x86.c
index 8c4140d..c8e37ed 100644
--- a/qemu-kvm-x86.c
+++ b/qemu-kvm-x86.c
@@ -174,18 +174,11 @@  static int kvm_handle_tpr_access(CPUState *env)
 
 int kvm_enable_vapic(CPUState *env, uint64_t vapic)
 {
-	int r;
 	struct kvm_vapic_addr va = {
 		.vapic_addr = vapic,
 	};
 
-	r = ioctl(env->kvm_fd, KVM_SET_VAPIC_ADDR, &va);
-	if (r == -1) {
-		r = -errno;
-		perror("kvm_enable_vapic");
-		return r;
-	}
-	return 0;
+	return kvm_vcpu_ioctl(env, KVM_SET_VAPIC_ADDR, &va);
 }
 
 #endif
@@ -283,28 +276,16 @@  int kvm_destroy_memory_alias(kvm_context_t kvm, uint64_t phys_start)
 
 int kvm_get_lapic(CPUState *env, struct kvm_lapic_state *s)
 {
-	int r;
 	if (!kvm_irqchip_in_kernel())
 		return 0;
-	r = ioctl(env->kvm_fd, KVM_GET_LAPIC, s);
-	if (r == -1) {
-		r = -errno;
-		perror("kvm_get_lapic");
-	}
-	return r;
+	return kvm_vcpu_ioctl(env, KVM_GET_LAPIC, s);
 }
 
 int kvm_set_lapic(CPUState *env, struct kvm_lapic_state *s)
 {
-	int r;
 	if (!kvm_irqchip_in_kernel())
 		return 0;
-	r = ioctl(env->kvm_fd, KVM_SET_LAPIC, s);
-	if (r == -1) {
-		r = -errno;
-		perror("kvm_set_lapic");
-	}
-	return r;
+	return kvm_vcpu_ioctl(env, KVM_SET_LAPIC, s);
 }
 
 #endif
@@ -420,29 +401,25 @@  struct kvm_msr_list *kvm_get_msr_list(kvm_context_t kvm)
 int kvm_get_msrs(CPUState *env, struct kvm_msr_entry *msrs, int n)
 {
     struct kvm_msrs *kmsrs = qemu_malloc(sizeof *kmsrs + n * sizeof *msrs);
-    int r, e;
+    int r;
 
     kmsrs->nmsrs = n;
     memcpy(kmsrs->entries, msrs, n * sizeof *msrs);
-    r = ioctl(env->kvm_fd, KVM_GET_MSRS, kmsrs);
-    e = errno;
+    r = kvm_vcpu_ioctl(env, KVM_GET_MSRS, kmsrs);
     memcpy(msrs, kmsrs->entries, n * sizeof *msrs);
     free(kmsrs);
-    errno = e;
     return r;
 }
 
 int kvm_set_msrs(CPUState *env, struct kvm_msr_entry *msrs, int n)
 {
     struct kvm_msrs *kmsrs = qemu_malloc(sizeof *kmsrs + n * sizeof *msrs);
-    int r, e;
+    int r;
 
     kmsrs->nmsrs = n;
     memcpy(kmsrs->entries, msrs, n * sizeof *msrs);
-    r = ioctl(env->kvm_fd, KVM_SET_MSRS, kmsrs);
-    e = errno;
+    r = kvm_vcpu_ioctl(env, KVM_SET_MSRS, kmsrs);
     free(kmsrs);
-    errno = e;
     return r;
 }
 
@@ -464,7 +441,7 @@  int kvm_get_mce_cap_supported(kvm_context_t kvm, uint64_t *mce_cap,
 int kvm_setup_mce(CPUState *env, uint64_t *mcg_cap)
 {
 #ifdef KVM_CAP_MCE
-    return ioctl(env->kvm_fd, KVM_X86_SETUP_MCE, mcg_cap);
+    return kvm_vcpu_ioctl(env, KVM_X86_SETUP_MCE, mcg_cap);
 #else
     return -ENOSYS;
 #endif
@@ -473,7 +450,7 @@  int kvm_setup_mce(CPUState *env, uint64_t *mcg_cap)
 int kvm_set_mce(CPUState *env, struct kvm_x86_mce *m)
 {
 #ifdef KVM_CAP_MCE
-    return ioctl(env->kvm_fd, KVM_X86_SET_MCE, m);
+    return kvm_vcpu_ioctl(env, KVM_X86_SET_MCE, m);
 #else
     return -ENOSYS;
 #endif
@@ -563,7 +540,7 @@  int kvm_setup_cpuid(CPUState *env, int nent,
 
 	cpuid->nent = nent;
 	memcpy(cpuid->entries, entries, nent * sizeof(*entries));
-	r = ioctl(env->kvm_fd, KVM_SET_CPUID, cpuid);
+	r = kvm_vcpu_ioctl(env, KVM_SET_CPUID, cpuid);
 
 	free(cpuid);
 	return r;
@@ -579,11 +556,7 @@  int kvm_setup_cpuid2(CPUState *env, int nent,
 
 	cpuid->nent = nent;
 	memcpy(cpuid->entries, entries, nent * sizeof(*entries));
-	r = ioctl(env->kvm_fd, KVM_SET_CPUID2, cpuid);
-	if (r == -1) {
-		fprintf(stderr, "kvm_setup_cpuid2: %m\n");
-		r = -errno;
-	}
+	r = kvm_vcpu_ioctl(env, KVM_SET_CPUID2, cpuid);
 	free(cpuid);
 	return r;
 }
@@ -634,13 +607,7 @@  static int tpr_access_reporting(CPUState *env, int enabled)
 	r = kvm_ioctl(kvm_state, KVM_CHECK_EXTENSION, KVM_CAP_VAPIC);
 	if (r <= 0)
 		return -ENOSYS;
-	r = ioctl(env->kvm_fd, KVM_TPR_ACCESS_REPORTING, &tac);
-	if (r == -1) {
-		r = -errno;
-		perror("KVM_TPR_ACCESS_REPORTING");
-		return r;
-	}
-	return 0;
+	return kvm_vcpu_ioctl(env, KVM_TPR_ACCESS_REPORTING, &tac);
 }
 
 int kvm_enable_tpr_access_reporting(CPUState *env)
diff --git a/qemu-kvm.c b/qemu-kvm.c
index 7943281..91cfc32 100644
--- a/qemu-kvm.c
+++ b/qemu-kvm.c
@@ -816,32 +816,32 @@  static int handle_debug(CPUState *env)
 
 int kvm_get_regs(CPUState *env, struct kvm_regs *regs)
 {
-    return ioctl(env->kvm_fd, KVM_GET_REGS, regs);
+    return kvm_vcpu_ioctl(env, KVM_GET_REGS, regs);
 }
 
 int kvm_set_regs(CPUState *env, struct kvm_regs *regs)
 {
-    return ioctl(env->kvm_fd, KVM_SET_REGS, regs);
+    return kvm_vcpu_ioctl(env, KVM_SET_REGS, regs);
 }
 
 int kvm_get_fpu(CPUState *env, struct kvm_fpu *fpu)
 {
-    return ioctl(env->kvm_fd, KVM_GET_FPU, fpu);
+    return kvm_vcpu_ioctl(env, KVM_GET_FPU, fpu);
 }
 
 int kvm_set_fpu(CPUState *env, struct kvm_fpu *fpu)
 {
-    return ioctl(env->kvm_fd, KVM_SET_FPU, fpu);
+    return kvm_vcpu_ioctl(env, KVM_SET_FPU, fpu);
 }
 
 int kvm_get_sregs(CPUState *env, struct kvm_sregs *sregs)
 {
-    return ioctl(env->kvm_fd, KVM_GET_SREGS, sregs);
+    return kvm_vcpu_ioctl(env, KVM_GET_SREGS, sregs);
 }
 
 int kvm_set_sregs(CPUState *env, struct kvm_sregs *sregs)
 {
-    return ioctl(env->kvm_fd, KVM_SET_SREGS, sregs);
+    return kvm_vcpu_ioctl(env, KVM_SET_SREGS, sregs);
 }
 
 #ifdef KVM_CAP_MP_STATE
@@ -851,7 +851,7 @@  int kvm_get_mpstate(CPUState *env, struct kvm_mp_state *mp_state)
 
     r = kvm_ioctl(kvm_state, KVM_CHECK_EXTENSION, KVM_CAP_MP_STATE);
     if (r > 0)
-        return ioctl(env->kvm_fd, KVM_GET_MP_STATE, mp_state);
+        return kvm_vcpu_ioctl(env, KVM_GET_MP_STATE, mp_state);
     return -ENOSYS;
 }
 
@@ -861,7 +861,7 @@  int kvm_set_mpstate(CPUState *env, struct kvm_mp_state *mp_state)
 
     r = kvm_ioctl(kvm_state, KVM_CHECK_EXTENSION, KVM_CAP_MP_STATE);
     if (r > 0)
-        return ioctl(env->kvm_fd, KVM_SET_MP_STATE, mp_state);
+        return kvm_vcpu_ioctl(env, KVM_SET_MP_STATE, mp_state);
     return -ENOSYS;
 }
 #endif
@@ -1046,13 +1046,13 @@  int kvm_inject_irq(CPUState *env, unsigned irq)
     struct kvm_interrupt intr;
 
     intr.irq = irq;
-    return ioctl(env->kvm_fd, KVM_INTERRUPT, &intr);
+    return kvm_vcpu_ioctl(env, KVM_INTERRUPT, &intr);
 }
 
 #ifdef KVM_CAP_SET_GUEST_DEBUG
 int kvm_set_guest_debug(CPUState *env, struct kvm_guest_debug *dbg)
 {
-    return ioctl(env->kvm_fd, KVM_SET_GUEST_DEBUG, dbg);
+    return kvm_vcpu_ioctl(env, KVM_SET_GUEST_DEBUG, dbg);
 }
 #endif
 
@@ -1062,18 +1062,13 @@  int kvm_set_signal_mask(CPUState *env, const sigset_t *sigset)
     int r;
 
     if (!sigset) {
-        r = ioctl(env->kvm_fd, KVM_SET_SIGNAL_MASK, NULL);
-        if (r == -1)
-            r = -errno;
-        return r;
+        return kvm_vcpu_ioctl(env, KVM_SET_SIGNAL_MASK, NULL);
     }
     sigmask = qemu_malloc(sizeof(*sigmask) + sizeof(*sigset));
 
     sigmask->len = 8;
     memcpy(sigmask->sigset, sigset, sizeof(*sigset));
-    r = ioctl(env->kvm_fd, KVM_SET_SIGNAL_MASK, sigmask);
-    if (r == -1)
-        r = -errno;
+    r = kvm_vcpu_ioctl(env, KVM_SET_SIGNAL_MASK, sigmask);
     free(sigmask);
     return r;
 }
@@ -1086,7 +1081,7 @@  int kvm_pit_in_kernel(kvm_context_t kvm)
 int kvm_inject_nmi(CPUState *env)
 {
 #ifdef KVM_CAP_USER_NMI
-    return ioctl(env->kvm_fd, KVM_NMI);
+    return kvm_vcpu_ioctl(env, KVM_NMI);
 #else
     return -ENOSYS;
 #endif
diff --git a/qemu-kvm.h b/qemu-kvm.h
index 588bc80..06507a6 100644
--- a/qemu-kvm.h
+++ b/qemu-kvm.h
@@ -1181,6 +1181,7 @@  extern KVMState *kvm_state;
 
 int kvm_ioctl(KVMState *s, int type, ...);
 int kvm_vm_ioctl(KVMState *s, int type, ...);
+int kvm_vcpu_ioctl(CPUState *env, int type, ...);
 int kvm_check_extension(KVMState *s, unsigned int ext);
 
 #endif