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Differential D26209 Diff 77351 lib/libvmmapi/vmmapi.c

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lib/libvmmapi/vmmapi.c

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{ {
struct vmctx *vm; struct vmctx *vm;
vm = malloc(sizeof(struct vmctx) + strlen(name) + 1); vm = malloc(sizeof(struct vmctx) + strlen(name) + 1);
assert(vm != NULL); assert(vm != NULL);
vm->fd = -1; vm->fd = -1;
vm->memflags = 0; vm->memflags = 0;
vm->lowmem_limit = 3 * GB; vm->lowmem_limit = 3 * GB;
grehanUnsubmitted
Done
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This will hurt 32-bit VMs. However, it is possible to change this at runtime, though it has to be done prior to PCI config.

grehan: This will hurt 32-bit VMs. However, it is possible to change this at runtime, though it has to…
vm->name = (char *)(vm + 1); vm->name = (char *)(vm + 1);
strcpy(vm->name, name); strcpy(vm->name, name);
if ((vm->fd = vm_device_open(vm->name)) < 0) if ((vm->fd = vm_device_open(vm->name)) < 0)
goto err; goto err;
return (vm); return (vm);
err: err:
▲ Show 20 Lines • Show All 840 Lines • ▼ Show 20 Linesvm_map_pptdev_mmio(struct vmctx *ctx, int bus, int slot, int func,
pptmmio.gpa = gpa; pptmmio.gpa = gpa;
pptmmio.len = len; pptmmio.len = len;
pptmmio.hpa = hpa; pptmmio.hpa = hpa;
return (ioctl(ctx->fd, VM_MAP_PPTDEV_MMIO, &pptmmio)); return (ioctl(ctx->fd, VM_MAP_PPTDEV_MMIO, &pptmmio));
} }
int int
vm_unmap_pptdev_mmio(struct vmctx *ctx, int bus, int slot, int func,
vm_paddr_t gpa, size_t len)
{
struct vm_pptdev_mmio pptmmio;
bzero(&pptmmio, sizeof(pptmmio));
pptmmio.bus = bus;
pptmmio.slot = slot;
pptmmio.func = func;
pptmmio.gpa = gpa;
pptmmio.len = len;
pptmmio.hpa = 0;
if (gpa == 0)
return (0);
return (ioctl(ctx->fd, VM_UNMAP_PPTDEV_MMIO, &pptmmio));
}
int
vm_setup_pptdev_msi(struct vmctx *ctx, int vcpu, int bus, int slot, int func, vm_setup_pptdev_msi(struct vmctx *ctx, int vcpu, int bus, int slot, int func,
uint64_t addr, uint64_t msg, int numvec) uint64_t addr, uint64_t msg, int numvec)
{ {
struct vm_pptdev_msi pptmsi; struct vm_pptdev_msi pptmsi;
bzero(&pptmsi, sizeof(pptmsi)); bzero(&pptmsi, sizeof(pptmsi));
pptmsi.vcpu = vcpu; pptmsi.vcpu = vcpu;
pptmsi.bus = bus; pptmsi.bus = bus;
▲ Show 20 Lines • Show All 643 Lines • ▼ Show 20 Lines static const cap_ioctl_t vm_ioctl_cmds[] = { VM_RUN, VM_SUSPEND, VM_REINIT,
VM_SET_SEGMENT_DESCRIPTOR, VM_GET_SEGMENT_DESCRIPTOR, VM_SET_SEGMENT_DESCRIPTOR, VM_GET_SEGMENT_DESCRIPTOR,
VM_SET_REGISTER_SET, VM_GET_REGISTER_SET, VM_SET_REGISTER_SET, VM_GET_REGISTER_SET,
VM_SET_KERNEMU_DEV, VM_GET_KERNEMU_DEV, VM_SET_KERNEMU_DEV, VM_GET_KERNEMU_DEV,
VM_INJECT_EXCEPTION, VM_LAPIC_IRQ, VM_LAPIC_LOCAL_IRQ, VM_INJECT_EXCEPTION, VM_LAPIC_IRQ, VM_LAPIC_LOCAL_IRQ,
VM_LAPIC_MSI, VM_IOAPIC_ASSERT_IRQ, VM_IOAPIC_DEASSERT_IRQ, VM_LAPIC_MSI, VM_IOAPIC_ASSERT_IRQ, VM_IOAPIC_DEASSERT_IRQ,
VM_IOAPIC_PULSE_IRQ, VM_IOAPIC_PINCOUNT, VM_ISA_ASSERT_IRQ, VM_IOAPIC_PULSE_IRQ, VM_IOAPIC_PINCOUNT, VM_ISA_ASSERT_IRQ,
VM_ISA_DEASSERT_IRQ, VM_ISA_PULSE_IRQ, VM_ISA_SET_IRQ_TRIGGER, VM_ISA_DEASSERT_IRQ, VM_ISA_PULSE_IRQ, VM_ISA_SET_IRQ_TRIGGER,
VM_SET_CAPABILITY, VM_GET_CAPABILITY, VM_BIND_PPTDEV, VM_SET_CAPABILITY, VM_GET_CAPABILITY, VM_BIND_PPTDEV,
VM_UNBIND_PPTDEV, VM_MAP_PPTDEV_MMIO, VM_PPTDEV_MSI, VM_UNBIND_PPTDEV, VM_MAP_PPTDEV_MMIO, VM_UNMAP_PPTDEV_MMIO, VM_PPTDEV_MSI,
VM_PPTDEV_MSIX, VM_INJECT_NMI, VM_STATS, VM_STAT_DESC, VM_PPTDEV_MSIX, VM_INJECT_NMI, VM_STATS, VM_STAT_DESC,
VM_SET_X2APIC_STATE, VM_GET_X2APIC_STATE, VM_SET_X2APIC_STATE, VM_GET_X2APIC_STATE,
VM_GET_HPET_CAPABILITIES, VM_GET_GPA_PMAP, VM_GLA2GPA, VM_GET_HPET_CAPABILITIES, VM_GET_GPA_PMAP, VM_GLA2GPA,
VM_GLA2GPA_NOFAULT, VM_GLA2GPA_NOFAULT,
VM_ACTIVATE_CPU, VM_GET_CPUS, VM_SUSPEND_CPU, VM_RESUME_CPU, VM_ACTIVATE_CPU, VM_GET_CPUS, VM_SUSPEND_CPU, VM_RESUME_CPU,
VM_SET_INTINFO, VM_GET_INTINFO, VM_SET_INTINFO, VM_GET_INTINFO,
VM_RTC_WRITE, VM_RTC_READ, VM_RTC_SETTIME, VM_RTC_GETTIME, VM_RTC_WRITE, VM_RTC_READ, VM_RTC_SETTIME, VM_RTC_GETTIME,
VM_RESTART_INSTRUCTION, VM_SET_TOPOLOGY, VM_GET_TOPOLOGY }; VM_RESTART_INSTRUCTION, VM_SET_TOPOLOGY, VM_GET_TOPOLOGY };
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