static void
vcpu_require_state_locked(struct vcpu *vcpu, enum vcpu_state newstate)
{
int error;
if ((error = vcpu_set_state_locked(vcpu, newstate, false)) != 0)
panic("Error %d setting state to %d", error, newstate);
}
static void
vcpu_require_state_locked(struct vm *vm, int vcpuid, enum vcpu_state newstate)
{
int error;
if ((error = vcpu_set_state_locked(vm, vcpuid, newstate, false)) != 0)
xhyve_abort("Error %d setting state to %d", error, newstate);
}
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)
xhyve_abort("vm_set_run_state: invalid vcpuid %d\n", vcpuid);
vcpu = &vm->vcpu[vcpuid];
vcpu_lock(vcpu);
error = vcpu_set_state_locked(vcpu, newstate, from_idle);
vcpu_unlock(vcpu);
return (error);
}
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);
}