C++ (Cpp) VMGETCAP Examples

Example #1

File: vmm.c Project: RnbWd/hyperkit

int
vm_get_capability(struct vm *vm, int vcpu, int type, int *retval)
{
	if (vcpu < 0 || vcpu >= VM_MAXCPU)
		return (EINVAL);

	if (type < 0 || type >= VM_CAP_MAX)
		return (EINVAL);

	return (VMGETCAP(vm->cookie, vcpu, type, retval));
}

Example #2

File: vmm.c Project: vinceguogit/freebsd

void
vm_inject_gp(struct vm *vm, int vcpuid)
{
	struct vm_exception gpf = {
		.vector = IDT_GP,
		.error_code_valid = 1,
		.error_code = 0
	};

	vm_inject_fault(vm, vcpuid, &gpf);
}

void
vm_inject_ud(struct vm *vm, int vcpuid)
{
	struct vm_exception udf = {
		.vector = IDT_UD,
		.error_code_valid = 0
	};

	vm_inject_fault(vm, vcpuid, &udf);
}

static VMM_STAT(VCPU_NMI_COUNT, "number of NMIs delivered to vcpu");

int
vm_inject_nmi(struct vm *vm, int vcpuid)
{
	struct vcpu *vcpu;

	if (vcpuid < 0 || vcpuid >= VM_MAXCPU)
		return (EINVAL);

	vcpu = &vm->vcpu[vcpuid];

	vcpu->nmi_pending = 1;
	vcpu_notify_event(vm, vcpuid, false);
	return (0);
}

int
vm_nmi_pending(struct vm *vm, int vcpuid)
{
	struct vcpu *vcpu;

	if (vcpuid < 0 || vcpuid >= VM_MAXCPU)
		panic("vm_nmi_pending: invalid vcpuid %d", vcpuid);

	vcpu = &vm->vcpu[vcpuid];

	return (vcpu->nmi_pending);
}

void
vm_nmi_clear(struct vm *vm, int vcpuid)
{
	struct vcpu *vcpu;

	if (vcpuid < 0 || vcpuid >= VM_MAXCPU)
		panic("vm_nmi_pending: invalid vcpuid %d", vcpuid);

	vcpu = &vm->vcpu[vcpuid];

	if (vcpu->nmi_pending == 0)
		panic("vm_nmi_clear: inconsistent nmi_pending state");

	vcpu->nmi_pending = 0;
	vmm_stat_incr(vm, vcpuid, VCPU_NMI_COUNT, 1);
}

static VMM_STAT(VCPU_EXTINT_COUNT, "number of ExtINTs delivered to vcpu");

int
vm_inject_extint(struct vm *vm, int vcpuid)
{
	struct vcpu *vcpu;

	if (vcpuid < 0 || vcpuid >= VM_MAXCPU)
		return (EINVAL);

	vcpu = &vm->vcpu[vcpuid];

	vcpu->extint_pending = 1;
	vcpu_notify_event(vm, vcpuid, false);
	return (0);
}

int
vm_extint_pending(struct vm *vm, int vcpuid)
{
	struct vcpu *vcpu;

	if (vcpuid < 0 || vcpuid >= VM_MAXCPU)
		panic("vm_extint_pending: invalid vcpuid %d", vcpuid);

	vcpu = &vm->vcpu[vcpuid];

	return (vcpu->extint_pending);
}

void
vm_extint_clear(struct vm *vm, int vcpuid)
{
	struct vcpu *vcpu;

	if (vcpuid < 0 || vcpuid >= VM_MAXCPU)
		panic("vm_extint_pending: invalid vcpuid %d", vcpuid);

	vcpu = &vm->vcpu[vcpuid];

	if (vcpu->extint_pending == 0)
		panic("vm_extint_clear: inconsistent extint_pending state");

	vcpu->extint_pending = 0;
	vmm_stat_incr(vm, vcpuid, VCPU_EXTINT_COUNT, 1);
}

int
vm_get_capability(struct vm *vm, int vcpu, int type, int *retval)
{
	if (vcpu < 0 || vcpu >= VM_MAXCPU)
		return (EINVAL);

	if (type < 0 || type >= VM_CAP_MAX)
		return (EINVAL);

	return (VMGETCAP(vm->cookie, vcpu, type, retval));
}

int
vm_set_capability(struct vm *vm, int vcpu, int type, int val)
{
	if (vcpu < 0 || vcpu >= VM_MAXCPU)
		return (EINVAL);

	if (type < 0 || type >= VM_CAP_MAX)
		return (EINVAL);

	return (VMSETCAP(vm->cookie, vcpu, type, val));
}

uint64_t *
vm_guest_msrs(struct vm *vm, int cpu)
{
	return (vm->vcpu[cpu].guest_msrs);
}

struct vlapic *
vm_lapic(struct vm *vm, int cpu)
{
	return (vm->vcpu[cpu].vlapic);
}

struct vioapic *
vm_ioapic(struct vm *vm)
{

	return (vm->vioapic);
}

struct vhpet *
vm_hpet(struct vm *vm)
{

	return (vm->vhpet);
}

boolean_t
vmm_is_pptdev(int bus, int slot, int func)
{
	int found, i, n;
	int b, s, f;
	char *val, *cp, *cp2;

	/*
	 * XXX
	 * The length of an environment variable is limited to 128 bytes which
	 * puts an upper limit on the number of passthru devices that may be
	 * specified using a single environment variable.
	 *
	 * Work around this by scanning multiple environment variable
	 * names instead of a single one - yuck!
	 */
	const char *names[] = { "pptdevs", "pptdevs2", "pptdevs3", NULL };

	/* set pptdevs="1/2/3 4/5/6 7/8/9 10/11/12" */
	found = 0;
	for (i = 0; names[i] != NULL && !found; i++) {
		cp = val = getenv(names[i]);
		while (cp != NULL && *cp != '\0') {
			if ((cp2 = strchr(cp, ' ')) != NULL)
				*cp2 = '\0';

			n = sscanf(cp, "%d/%d/%d", &b, &s, &f);
			if (n == 3 && bus == b && slot == s && func == f) {
				found = 1;
				break;
			}
		
			if (cp2 != NULL)
				*cp2++ = ' ';

			cp = cp2;
		}
		freeenv(val);
	}
	return (found);
}

void *
vm_iommu_domain(struct vm *vm)
{

	return (vm->iommu);
}

int
vcpu_set_state(struct vm *vm, int vcpuid, enum vcpu_state newstate,
    bool from_idle)
{
	int error;
	struct vcpu *vcpu;

	if (vcpuid < 0 || vcpuid >= VM_MAXCPU)
		panic("vm_set_run_state: invalid vcpuid %d", vcpuid);

	vcpu = &vm->vcpu[vcpuid];

	vcpu_lock(vcpu);
	error = vcpu_set_state_locked(vcpu, newstate, from_idle);
	vcpu_unlock(vcpu);

	return (error);
}