diff options
| -rw-r--r-- | include/hw/acpi/acpi-defs.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/include/hw/acpi/acpi-defs.h b/include/hw/acpi/acpi-defs.h index 9c1b7cb..90a5353 100644 --- a/include/hw/acpi/acpi-defs.h +++ b/include/hw/acpi/acpi-defs.h @@ -609,4 +609,72 @@ typedef struct AcpiDmarHardwareUnit AcpiDmarHardwareUnit; /* Masks for Flags field above */ #define ACPI_DMAR_INCLUDE_PCI_ALL 1 +/* + * Input Output Remapping Table (IORT) + * Conforms to "IO Remapping Table System Software on ARM Platforms", + * Document number: ARM DEN 0049B, October 2015 + */ + +struct AcpiIortTable { + ACPI_TABLE_HEADER_DEF /* ACPI common table header */ + uint32_t node_count; + uint32_t node_offset; + uint32_t reserved; +} QEMU_PACKED; +typedef struct AcpiIortTable AcpiIortTable; + +/* + * IORT node types + */ + +#define ACPI_IORT_NODE_HEADER_DEF /* Node format common fields */ \ + uint8_t type; \ + uint16_t length; \ + uint8_t revision; \ + uint32_t reserved; \ + uint32_t mapping_count; \ + uint32_t mapping_offset; + +/* Values for node Type above */ +enum { + ACPI_IORT_NODE_ITS_GROUP = 0x00, + ACPI_IORT_NODE_NAMED_COMPONENT = 0x01, + ACPI_IORT_NODE_PCI_ROOT_COMPLEX = 0x02, + ACPI_IORT_NODE_SMMU = 0x03, + ACPI_IORT_NODE_SMMU_V3 = 0x04 +}; + +struct AcpiIortIdMapping { + uint32_t input_base; + uint32_t id_count; + uint32_t output_base; + uint32_t output_reference; + uint32_t flags; +} QEMU_PACKED; +typedef struct AcpiIortIdMapping AcpiIortIdMapping; + +struct AcpiIortMemoryAccess { + uint32_t cache_coherency; + uint8_t hints; + uint16_t reserved; + uint8_t memory_flags; +} QEMU_PACKED; +typedef struct AcpiIortMemoryAccess AcpiIortMemoryAccess; + +struct AcpiIortItsGroup { + ACPI_IORT_NODE_HEADER_DEF + uint32_t its_count; + uint32_t identifiers[0]; +} QEMU_PACKED; +typedef struct AcpiIortItsGroup AcpiIortItsGroup; + +struct AcpiIortRC { + ACPI_IORT_NODE_HEADER_DEF + AcpiIortMemoryAccess memory_properties; + uint32_t ats_attribute; + uint32_t pci_segment_number; + AcpiIortIdMapping id_mapping_array[0]; +} QEMU_PACKED; +typedef struct AcpiIortRC AcpiIortRC; + #endif |