feature (pci): Added PCI subclass enums

This commit is contained in:
Eric-Paul Ickhorn 2023-04-22 03:28:42 +02:00
parent cae02e598d
commit 457bf6aa60
4 changed files with 267 additions and 1 deletions

View File

@ -26,6 +26,8 @@ typedef struct {
uint64_t address;
} __attribute__((packed)) acpi_gas_T;
extern acpi_sdt_header_T *g_mcfg_table;
void acpi_init (boot_info_T* boot_info);
acpi_sdt_header_T* acpi_find_table (acpi_sdt_header_T* xsdt, string_t table_id);

215
inc/drivers/pci.h Normal file
View File

@ -0,0 +1,215 @@
#ifndef NOXOS_pci_H
#define NOXOS_pci_H
#include <drivers/acpi/acpi.h>
typedef enum {
PCI_CLASS_UNCLASSIFIED = 0x00,
PCI_CLASS_MASS_STORAGE_CONTROLLER = 0x01,
PCI_CLASS_NETWORK_CONTROLLER = 0x02,
PCI_CLASS_DISPLAY_CONTROLLER = 0x03,
PCI_CLASS_MULTIMEDIA_CONTROLLER = 0x04,
PCI_CLASS_MEMORY_CONTROLLER = 0x05,
PCI_CLASS_BRIDGE = 0x06,
PCI_CLASS_SIMPLE_COMMUNICATION_CONTROLLER = 0x07,
PCI_CLASS_BASE_SYSTEM_PERIPHERAL = 0x08,
PCI_CLASS_INPUT_DEVICE_CONTROLLER = 0x09,
PCI_CLASS_DOCKING_STATION = 0x0a,
PCI_CLASS_PROCESSOR = 0x0b,
PCI_CLASS_SERIAL_BUS_CONTROLLER = 0x0c,
PCI_CLASS_WIRELESS_CONTROLLER = 0x0d,
PCI_CLASS_INTELLIGENT_CONTROLLER = 0x0e,
PCI_CLASS_SATELLITE_COMMUNICATION_CONTROLLER = 0x0f,
PCI_CLASS_ENCRYPTION_CONTROLLER = 0x10,
PCI_CLASS_SIGNAL_PROCESSING_CONTROLLER = 0x11,
PCI_CLASS_PROCESSING_ACCELERATOR = 0x12,
PCI_CLASS_NON_ESSENTIAL_INSTRUMENTATION = 0x13,
PCI_CLASS_COPROCESSOR = 0x40
} pci_class_T;
typedef enum {
PCI_SUBCLASS_NON_VGA_COMPATIBLE_UNCLASSIFIED_DEVICE = 0x00,
PCI_SUBCLASS_VGA_COMPATIBLE_UNCLASSIFIED_DEVICE = 0x01
} pci_unclassified_sublasses_T;
typedef enum {
PCI_SUBCLASS_SCSI_BUS_CONTROLLER = 0x00,
PCI_SUBCLASS_IDE_CONTROLLER = 0x01,
PCI_SUBCLASS_FLOPPY_DISK_CONTROLLER = 0x02,
PCI_SUBCLASS_IPI_BUS_CONTROLLER = 0x03,
PCI_SUBCLASS_RAID_CONTROLLER = 0x04,
PCI_SUBCLASS_ATA_CONTROLLER = 0x05,
PCI_SUBCLASS_SERIAL_ATA_CONTROLLER = 0x06,
PCI_SUBCLASS_SERIAL_ATTACHED_SCSI_CONTROLLER = 0x07,
PCI_SUBCLASS_NON_VOLATILE_MEMORY_CONTROLLER = 0x08,
PCI_SUBCLASS_OTHER_MASS_STORAGE_CONTROLLER = 0x80
} pci_mass_storage_controller_subclasses_T;
typedef enum {
PCI_SUBCLASS_ETHERNET_CONTROLLER = 0x00,
PCI_SUBCLASS_TOKEN_RING_CONTROLLER = 0x01,
PCI_SUBCLASS_FDDI_CONTROLLER = 0x02,
PCI_SUBCLASS_ATM_CONTROLLER = 0x03,
PCI_SUBCLASS_ISDN_CONTROLLER = 0x04,
PCI_SUBCLASS_WORLDFIP_CONTROLLER = 0x05,
PCI_SUBCLASS_PICMG_2_14_MULTI_COMPUTING_CONTROLLER = 0x06,
PCI_SUBCLASS_INFINIBAND_CONTROLLER = 0x07,
PCI_SUBCLASS_FABRIC_CONTROLLER = 0x08,
PCI_SUBCLASS_OTHER_NETWORK_CONTROLLER = 0x80
} pci_network_controller_subclasses_T;
typedef enum {
PCI_SUBCLASS_VGA_COMPATIBLE_CONTROLLER = 0x00,
PCI_SUBCLASS_XGA_COMPATIBLE_CONTROLLER = 0x01,
PCI_SUBCLASS_3D_CONTROLLER_NOT_VGA_COMPATIBLE = 0x02,
PCI_SUBCLASS_OTHER_DISPLAY_CONTROLLER = 0x80
} pci_display_controller_subclasses_T;
typedef enum {
PCI_SUBCLASS_MULTIMEDIA_VIDEO_CONTROLLER = 0x00,
PCI_SUBCLASS_MULTIMEDIA_AUDIO_CONTROLLER = 0x01,
PCI_SUBCLASS_COMPUTER_TELEPHONY_DEVICE = 0x02,
PCI_SUBCLASS_AUDIO_DEVICE = 0x03,
PCI_SUBCLASS_OTHER_MULTIMEDIA_CONTROLLER = 0x80
} pci_multimedia_controller_subclasses_T;
typedef enum {
PCI_SUBCLASS_RAM_CONTROLLER = 0x00,
PCI_SUBCLASS_FLASH_CONTROLLER = 0x01,
PCI_SUBCLASS_OTHER_MEMORY_CONTROLLER = 0x80
} pci_memory_controller_subclasses_T;
typedef enum {
PCI_SUBCLASS_HOST_BRIDGE = 0x00,
PCI_SUBCLASS_ISA_BRIDGE = 0x01,
PCI_SUBCLASS_EISA_BRIDGE = 0x02,
PCI_SUBCLASS_MCA_BRIDGE = 0x03,
PCI_SUBCLASS_PCI_TO_PCI_BRIDGE = 0x04,
PCI_SUBCLASS_PCMCIA_BRIDGE = 0x05,
PCI_SUBCLASS_NUBUS_BRIDGE = 0x06,
PCI_SUBCLASS_CARDBUS_BRIDGE = 0x07,
PCI_SUBCLASS_RACEWAY_BRIDGE = 0x08,
PCI_SUBCLASS_PCI_TO_PCI_BRIDGE_2 = 0x09,
PCI_SUBCLASS_INFINIBAND_TO_PCI_HOST_BRIDGE = 0x0a,
PCI_SUBCLASS_OTHER_BRIDGE = 0x80
} pci_bridge_subclasses_T;
typedef enum {
PCI_SUBCLASS_SERIAL_SIMPLE_COMMUNICATION_CONTROLLER = 0x00,
PCI_SUBCLASS_PARALLEL_SIMPLE_COMMUNICATION_CONTROLLER = 0x01,
PCI_SUBCLASS_MULTIPORT_SERIAL_CONTROLLER = 0x02,
PCI_SUBCLASS_MODEM = 0x03,
PCI_SUBCLASS_IEEE_488_1_2_GPIB_CONTROLLER = 0x04,
PCI_SUBCLASS_SMART_CARD_CONTROLLER = 0x05,
PCI_SUBCLASS_OTHER_SIMPLE_COMMUNICATION_CONTROLLER = 0x80
} pci_simple_communication_controller_subclasses_T;
typedef enum {
PCI_SUBCLASS_PIC = 0x00,
PCI_SUBCLASS_DMA_CONTROLLER = 0x01,
PCI_SUBCLASS_TIMER = 0x02,
PCI_SUBCLASS_RTC_CONTROLLER = 0x03,
PCI_SUBCLASS_PCI_HOT_PLUG_CONTROLLER = 0x04,
PCI_SUBCLASS_SD_HOST_CONTROLLER = 0x05,
PCI_SUBCLASS_IOMMU = 0x06,
PCI_SUBCLASS_OTHER_BASE_SYSTEM_PERIPHERAL = 0x80
} pci_base_system_peripheral_subclasses_T;
typedef enum {
PCI_SUBCLASS_KEKYBOARD_CONTROLLER = 0x00,
PCI_SUBCLASS_DIGITIZER_PEN = 0x01,
PCI_SUBCLASS_MOUSE_CONTROLLER = 0x02,
PCI_SUBCLASS_SCANNER_CONTROLLER = 0x03,
PCI_SUBCLASS_GAMEPORT_CONTROLLER = 0x04,
PCI_SUBCLASS_OTHER_INPUT_DEVICE_CONTROLLER = 0x80
} pci_input_device_controller_subclasses_T;
typedef enum {
PCI_SUBCLASS_GENERIC_DOCKING_STATION = 0x00,
PCI_SUBCLASS_OTHER_DOCKING_STATION = 0x80
} pci_docking_station_subclasses_T;
typedef enum {
PCI_SUBCLASS_386_PROCESSOR = 0x00,
PCI_SUBCLASS_486_PROCESSOR = 0x01,
PCI_SUBCLASS_PENTIUM_PROCESSOR = 0x02,
PCI_SUBCLASS_PENTIUM_PRO_PROCESSOR = 0x03,
PCI_SUBCLASS_ALPHA_PROCESSOR = 0x10,
PCI_SUBCLASS_POWERPC_PROCESSOR = 0x20,
PCI_SUBCLASS_MIPS_PROCESSOR = 0x30,
PCI_SUBCLASS_COPROCESSOR = 0x40,
PCI_SUBCLASS_OTHER_PROCESSOR = 0x80
} pci_processor_subclasses_T;
typedef enum {
PCI_SUBCLASS_FIREWIRE_CONTROLLER = 0x00,
PCI_SUBCLASS_ACCESS_BUS_CONTROLLER = 0x01,
PCI_SUBCLASS_SSA = 0x02,
PCI_SUBCLASS_USB_CONTROLLER = 0x03,
PCI_SUBCLASS_FIBRE_CHANNEL = 0x04,
PCI_SUBCLASS_SMBUS_CONTROLLER = 0x05,
PCI_SUBCLASS_INFINIBAND_CONTROLLER = 0x06,
PCI_SUBCLASS_IPMI_INTERFACE = 0x07,
PCI_SUBCLASS_SERCOS_INTERFACE = 0x08,
PCI_SUBCLASS_CANBUS_CONTROOLLER = 0x09,
PCI_SUBCLASS_OTHER_SERIAL_BUS_CONTROLLER = 0x80
} pci_serial_bus_controller_subclasses_T;
typedef enum {
PCI_SUBCLASS_IRDA_COMPATIBLE_CONTROLLER = 0x00,
PCI_SUBCLASS_CONSUMER_IR_CONTROLLER = 0x01,
PCI_SUBCLASS_RF_CONTROLLER = 0x10,
PCI_SUBCLASS_BLUETOOTH_CONTROLLER = 0x11,
PCI_SUBCLASS_BROADBAND_CONTROLLER = 0x12,
PCI_SUBCLASS_ETHERNET_CONTROLLER_802_1A = 0x20,
PCI_SUBCLASS_ETHERNET_CONTROLLER_802_1B = 0x21,
PCI_SUBCLASS_OTHER_WIRELESS_CONTROLLER = 0x80
} pci_wireless_controller_subclasses_T;
typedef enum {
PCI_SUBCLASS_I20_INTELLIGENT_CONTROLLER = 0x00
} pci_intelligent_controller_subclasses_T;
typedef enum {
PCI_SUBCLASS_SATELLITE_TV_CONTROLLER = 0x01,
PCI_SUBCLASS_SATELLITE_AUDIO_CONTROLLER = 0x02,
PCI_SUBCLASS_SATELLITE_VOICE_CONTROLLER = 0x03,
PCI_SUBCLASS_SATELLITE_DATA_CONTROLLER = 0x04
} pci_satellite_communication_controller_subclasses_T;
typedef enum {
PCI_SUBCLASS_NETWORK_AND_COMPUTING_ENCRYPTION_DECRYPTION = 0x00,
PCI_SUBCLASS_ENTERTAINMENT_ENCRYPTION_DECRYPTION = 0x10,
PCI_SUBCLASS_OTHER_ENCRYPTION_CONTROLLER = 0x80
} pci_encryption_controller_subclasses_T;
typedef enum {
PCI_SUBCLASS_DPIO_MODULES = 0x00,
PCI_SUBCLASS_PERFORMANCE_COUTNERS = 0x01,
PCI_SUBCLASS_COMMUNICATION_SYNCHRONIZER = 0x10,
PCI_SUBCLASS_SIGNAL_PROCESSING_MANAGEMENT = 0x20,
PCI_SUBCLASS_OTHER_SIGNAL_PROCESSING_CONTROLLER = 0x80
} pci_signal_processing_controller_subclasses_T;
typedef enum {
} pci_processing_accelerator_subclasses_T;
typedef enum {
} pci_non_essential_instrumentation_subclasses_T;
typedef struct {
} pci_device_T;
void pci_init(acpi_sdt_header_T *xsdt);
#endif

View File

@ -7,7 +7,8 @@
#include "utils/memory.h"
#include "utils/panic.h"
acpi_fadt_T* g_acpi_table_fadt;
acpi_sdt_header_T *g_mcfg_table;
acpi_fadt_T *g_acpi_table_fadt;
void acpi_init(boot_info_T* boot_info) {
log(LOG_INFO, "Initializing ACPI - RSDP: 0x%x", boot_info->rsdp);
@ -39,6 +40,8 @@ void acpi_init(boot_info_T* boot_info) {
break;
}
}
g_mcfg_table = acpi_find_table("MCFG");
}
acpi_sdt_header_T* acpi_find_table(acpi_sdt_header_T* xsdt, string_t table_id) {

46
src/drivers/pci.c Normal file
View File

@ -0,0 +1,46 @@
#include <drivers/pci.h>
typedef struct {
uint64_t config_base_address;
uint16_t segment_group_number;
uint8_t min_pci_bus_number;
uint8_t max_pci_bus_number;
uint32_t reserved;
} __attribute__((packed)) pci_mcfg_table_entry_T;
typedef struct{
uint16_t device_index;
uint16_t vendor_id;
uint16_t status;
uint16_t command;
uint8_t class_code;
uint8_t subclass;
uint8_t prog_info_struct;
uint8_t revision_id;
uint8_t bist;
uint8_t header_type;
uint8_t latency_timer;
uint8_t cache_line_size;
} __attribute__((packed)) pci_config_space;
pci_device_T *g_pci_devices;
pci_device_T pci_decode_device(void *config_space) {
}
void pci_init(acpi_sdt_header_T *xsdt) {
uint32_t num_devices = (g_mcfg_table->length - 44); // Table data length in bytes
if(num_devices == 0) return;
num_devices /= 16; // Each entry is 16 bytes long; get the number of entries from the number of bytes.
pci_mcfg_table_entry_T *entries = g_mcfg_table + 44;
g_pci_devices = memory_allocate(sizeof(pci_mcfg_table_entry_T) * num_devices);
uint32_t device_index = 0;
while(device_index < num_devices) {
pci_decode_device(entries[device_index]);
++device_index;
}
}