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cellconfig.py
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cellconfig.py
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import enum
import ctypes
_U8 = ctypes.c_uint8
_U16 = ctypes.c_uint16
_U32 = ctypes.c_uint32
_U64 = ctypes.c_uint64
_CHAR = ctypes.c_char
JAILHOUSE_CELL_NAME_MAXLEN = 31
JAILHOUSE_SYSTEM_SIGNATURE = b"JHSYST"
JAILHOUSE_SYS_VIRTUAL_DEBUG_CONSOLE = 0x0001
JAILHOUSE_CELL_DESC_SIGNATURE = b"JHCELL"
JAILHOUSE_CELL_PASSIVE_COMMREG = 0x00000001
JAILHOUSE_CELL_TEST_DEVICE = 0x00000002
JAILHOUSE_CELL_AARCH32 = 0x00000004
JAILHOUSE_CELL_VIRT_CPUID = 0x00000100
JAILHOUSE_CELL_VIRTUAL_CONSOLE_PERMITTED = 0x40000000
JAILHOUSE_CELL_VIRTUAL_CONSOLE_ACTIVATE = 0x80000000
class JailhouseConType(enum.Enum):
JAILHOUSE_CON_TYPE_NONE = 0x0000
JAILHOUSE_CON_TYPE_EFIFB = 0x0001
JAILHOUSE_CON_TYPE_8250 = 0x0002
JAILHOUSE_CON_TYPE_PL011 = 0x0003
JAILHOUSE_CON_TYPE_XUARTPS = 0x0004
JAILHOUSE_CON_TYPE_MVEBU = 0x0005
JAILHOUSE_CON_TYPE_HSCIF = 0x0006
JAILHOUSE_CON_TYPE_SCIFA = 0x0007
JAILHOUSE_CON_TYPE_IMX = 0x0008
def jailhouse_con_type_form_str( name ):
for item in JailhouseConType.__members__:
if name.upper() in item:
return JailhouseConType.__members__[item]
return None
JAILHOUSE_CON_ACCESS_PIO = 0x0000
JAILHOUSE_CON_ACCESS_MMIO = 0x0001
JAILHOUSE_CON_REGDIST_1 = 0x0000
JAILHOUSE_CON_REGDIST_4 = 0x0002
JAILHOUSE_PCI_TYPE_DEVICE = 0x01
JAILHOUSE_PCI_TYPE_BRIDGE = 0x02
JAILHOUSE_PCI_TYPE_IVSHMEM = 0x03
JAILHOUSE_SHMEM_PROTO_UNDEFINED = 0x0000
JAILHOUSE_SHMEM_PROTO_VETH = 0x0001
JAILHOUSE_SHMEM_PROTO_CUSTOM = 0x4000
JAILHOUSE_SHMEM_PROTO_VIRTIO_FRONT = 0x8000
JAILHOUSE_SHMEM_PROTO_VIRTIO_BACK = 0xc000
JAILHOUSE_IVSHMEM_BAR_MASK_INTX = (ctypes.c_uint32*6)(0xfffff000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000)
JAILHOUSE_PCI_EXT_CAP = 0x8000
JAILHOUSE_PCICAPS_WRITE = 0x0001
class jailhouse_memory(ctypes.LittleEndianStructure):
_pack_ = 1
_fields_ = [
('phys_start', ctypes.c_uint64),
('virt_start', ctypes.c_uint64),
('size', ctypes.c_uint64),
('flags', ctypes.c_uint64),
]
class jailhouse_iommu(ctypes.LittleEndianStructure):
class PltUnion(ctypes.Union):
class AMD(ctypes.LittleEndianStructure):
_pack_ = 1
_fields_ = [
('bdf', _U16),
('base_cap', _U8),
('msi_cap', _U8),
('features', _U32)
]
class TIPVU(ctypes.LittleEndianStructure):
_pack_ = 1
_fields_ = [
('tlb_base', _U64),
('tlb_size', _U32),
]
_fields_ = [
('amd', AMD),
('vipvu', TIPVU)
]
_pack_ = 1
_fields_ = [
('type', _U32),
('base', _U64),
('size', _U32),
('plt', PltUnion)
]
class jailhouse_console(ctypes.Structure):
_pack_ = 1
_fields_ = [
('address', _U64),
('size', _U32),
('type', _U16),
('flags', _U16),
('divider', _U32),
('gate_nr', _U32),
('clock_reg', _U64),
]
class jailhouse_irqchip(ctypes.Structure):
_pack_ = 1
_fields_ = [
('address', _U64),
('id', _U32),
('pin_base', _U32),
('pin_bitmap', _U32*4),
]
class jailhouse_pci_device_r13(ctypes.Structure):
_pack_ = 1
_fields_ = [
('type', _U8),
('iommu', _U8),
('domain', _U16),
('bdf', _U16),
('bar_mask', _U32*6),
('caps_start', _U16),
('num_caps', _U16),
('num_msi_vectors', _U8),
# ctypes不支持位域， [0]: 64bit [1]: maskable
('msi', _U8),
('num_msix_vectors', _U16),
('msix_region_size', _U16),
('msix_address', _U64),
('shmem_regions_start', _U32),
('shmem_dev_id', _U8),
('shmem_peers', _U8),
('shmem_protocol', _U16),
]
class jailhouse_pci_device_r14(ctypes.Structure):
_pack_ = 1
_fields_ = [
('type', _U8),
('iommu', _U8),
('domain', _U16),
('bdf', _U16),
('virt_bdf', _U32),
('bar_mask', _U32*6),
('caps_start', _U16),
('num_caps', _U16),
('num_msi_vectors', _U8),
# ctypes不支持位域， [0]: 64bit [1]: maskable
('msi', _U8),
('num_msix_vectors', _U16),
('msix_region_size', _U16),
('msix_address', _U64),
('shmem_regions_start', _U32),
('shmem_dev_id', _U8),
('shmem_peers', _U8),
('shmem_protocol', _U16),
]
class jailhouse_pci_capability(ctypes.Structure):
_pack_ = 1
_fields_ = [
('id', _U16),
('start', _U16),
('len', _U16),
('flags', _U16),
]
class jailhouse_cell_desc(ctypes.Structure):
_pack_ = 1
_fields_ = [
('signature', _CHAR*6),
('revision', _U16),
('name', _CHAR*(JAILHOUSE_CELL_NAME_MAXLEN+1)),
('id', _U32),
('flags', _U32),
('cpu_set_size', _U32),
('num_memory_regions', _U32),
('num_cache_regions', _U32),
('num_irqchips', _U32),
('num_pio_regions', _U32),
('num_pci_devices', _U32),
('num_pci_caps', _U32),
('num_stream_ids', _U32),
('vpci_irq_base', _U32),
('cpu_reset_address', _U64),
('msg_reply_timeout', _U64),
('console', jailhouse_console)
]
class jailhouse_system(ctypes.LittleEndianStructure):
class PlatformInfo(ctypes.LittleEndianStructure):
class PlatformInfoUnion(ctypes.Union):
class PlatformInfoX86(ctypes.LittleEndianStructure):
_pack_ = 1
_fields_ = [
('pm_timer_address', _U16),
('apic_mode', _U8),
('padding', _U8),
('vtd_interrupt_limit', _U32),
('tsc_khz', _U32),
('apic_khz', _U32),
]
class PlatformInfoARM(ctypes.LittleEndianStructure):
_pack_ = 1
_fields_ = [
('maintenance_irq', _U8),
('gic_version', _U8),
('padding', _U8*2),
('gicd_base', _U64),
('gicc_base', _U64),
('gich_base', _U64),
('gicv_base', _U64),
('gicr_base', _U64),
]
_pack_ = 1
_fields_ = [
('x86', PlatformInfoX86),
('arm', PlatformInfoARM),
]
_pack_ = 1
_fields_ = [
('pci_mmconfig_base', _U64),
('pci_machine_mmconfig_base', _U64),
('pci_mmconfig_end_bus', _U8),
('pci_is_virtual', _U8),
('pci_domain', _U16),
('iommu_units', jailhouse_iommu*8),
('plt', PlatformInfoUnion)
]
_pack_ = 1
_fields_ = [
('signature', ctypes.c_char*6),
('revision', ctypes.c_uint16),
('flags', ctypes.c_uint32),
('hypervisor_memory', jailhouse_memory),
('debug_console', jailhouse_console),
('platform_info', PlatformInfo),
('root_cell', jailhouse_cell_desc)
]
class Revision13:
revision = 13
sys_signature = JAILHOUSE_SYSTEM_SIGNATURE
cell_signature = JAILHOUSE_CELL_DESC_SIGNATURE
system = jailhouse_system
cell_desc = jailhouse_cell_desc
memory = jailhouse_memory
irqchip = jailhouse_irqchip
pci_device = jailhouse_pci_device_r13
pci_capability = jailhouse_pci_capability
class Revision14:
revision = 14
sys_signature = JAILHOUSE_SYSTEM_SIGNATURE
cell_signature = JAILHOUSE_CELL_DESC_SIGNATURE
system = jailhouse_system
cell_desc = jailhouse_cell_desc
memory = jailhouse_memory
irqchip = jailhouse_irqchip
pci_device = jailhouse_pci_device_r14
pci_capability = jailhouse_pci_capability