57 lines
1.3 KiB
C
57 lines
1.3 KiB
C
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#ifndef PCI_H_
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#define PCI_H_
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#include <stdint.h>
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#include <acpi.h>
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#define PCI_ADDR(addr, bus, device, func) (addr + ((bus) << 20 | device << 15 | func << 12))
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enum PCI_CLASS {
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UNCLASSIFIED,
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MASS_STORAGE_CONTROLLER,
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NETWORK_CONTROLLER,
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DISPLAY_CONTROLLER,
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MULTIMEDIA_CONTROLLER,
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MEMORY_CONTROLLER,
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BRIDGE,
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COMMUNICATION_CONTROLLER,
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GENERIC_SYSTEM_PERIPHERAL,
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INPUT_DEVICE_CONTROLLER,
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DOCKING_STATION,
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PROCESSOR,
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SERIAL_BUS_CONTROLLER,
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WIRELESS_CONTROLLER,
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INTELLIGENT_CONTROLLER,
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SATELLITE_COMMUNICATIONS_CONTROLLER,
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ENCRYPTION_CONTROLLER,
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SIGNAL_PROCESSING_CONTROLLER,
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PROCESSING_ACCELERATORS,
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};
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enum PCI_STORAGE_SUBCLASS {
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SCSI_STORAGE_CONTROLLER,
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IDE_INTERFACE,
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FLOPPY_DISK_CONTROLLER,
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IPI_BUS_CONTROLLER,
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RAID_BUS_CONTROLLER,
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ATA_CONTROLLER,
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SATA_CONTROLLER,
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};
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struct pci_config_space {
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uint16_t vendor_id;
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uint16_t device_id;
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uint16_t command;
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uint16_t status;
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uint8_t revision_id;
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uint8_t program_interface;
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uint8_t subclass;
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uint8_t class;
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};
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// TODO: Bruteforce all devices once then store all valid devices in memory rather than bruteforcing every time to search
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// TODO: Returning multiple devices
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struct pci_config_space *pcie_find_device(struct mcfg *mcfg, uint8_t class, uint8_t subclass);
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#endif
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