pintos/src/devices/pci.h

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#ifndef DEVICES_PCI_H
//106486096
#define DEVICES_PCI_H

#include <stdint.h>
#include <stddef.h>

/**************************/
/* some major/minor pairs */
/**************************/
#define PCI_MAJOR_EARLY                 0
#define PCI_MINOR_VGA                   1

#define PCI_MAJOR_MASS_STORAGE          1       /* mass storage controller */
#define PCI_MINOR_SCSI                  0
#define PCI_MINOR_IDE                   1
#define PCI_MINOR_FLOPPY                2
#define PCI_MINOR_IPI                   3
#define PCI_MINOR_RAID                  4
#define PCI_MINOR_MS_OTHER              0x80

#define PCI_MAJOR_NETWORK               2       /* network controller */
#define PCI_MINOR_ETHERNET              0
#define PCI_MINOR_TOKENRING             1
#define PCI_MINOR_FDDI                  2
#define PCI_MINOR_ATM                   3
#define PCI_MINOR_ISDN                  4
#define PCI_MINOR_NET_OTHER             0x80

#define PCI_MAJOR_DISPLAY               3       /* display controller */
#define PCI_MAJOR_MULTIMEDIA            4       /* multimedia device */
#define PCI_MAJOR_MEMORY                5       /* memory controller */

#define PCI_MAJOR_BRIDGE                6       /* bus bridge controller */
#define PCI_MINOR_HOST                  0
#define PCI_MINOR_ISA                   1
#define PCI_MINOR_EISA                  2
#define PCI_MINOR_MCA                   3
#define PCI_MINOR_PCI                   4
#define PCI_MINOR_PCMCIA                5
#define PCI_MINOR_NUBUS                 6
#define PCI_MINOR_CARDBUS               7
#define PCI_MINOR_RACEWAY               8

#define PCI_MAJOR_SIMPLE_COMM           7

#define PCI_MAJOR_BASE_PERIPHERAL       8
#define PCI_MINOR_PIC                   0
#define PCI_MINOR_DMA                   1
#define PCI_MINOR_TIMER                 2
#define PCI_MINOR_RTC                   3
#define PCI_MINOR_HOTPLUG               4


#define PCI_MAJOR_INPUT                 9
#define PCI_MAJOR_DOCK                  10
#define PCI_MAJOR_PROCESSOR             11
#define PCI_MINOR_386                   0
#define PCI_MINOR_486                   1
#define PCI_MINOR_PENTIUM               2
#define PCI_MINOR_ALPHA                 0x10
#define PCI_MINOR_PPC                   0x20
#define PCI_MINOR_MIPS                  0x30
#define PCI_MINOR_COPROC                0x40

#define PCI_MAJOR_SERIALBUS             12
#define PCI_MINOR_FIREWIRE              0
#define PCI_MINOR_ACCESS                1
#define PCI_MINOR_SSA                   2
#define PCI_MINOR_USB                   3
#define PCI_USB_IFACE_UHCI              0
#define PCI_USB_IFACE_OHCI              0x10
#define PCI_USB_IFACE_EHCI              0x20
#define PCI_MINOR_FIBRE                 4
#define PCI_MAJOR_UNDEF                 0xff

typedef void pci_handler_func (void *AUX);

/* used for io range for a pci device */
struct pci_io;

/* structure representing a specific pci device/function */
struct pci_dev;

void pci_init (void);
struct pci_dev *pci_get_device (int vendor, int device, int func, int n);
struct pci_dev *pci_get_dev_by_class (int major, int minor, int iface, int n);
struct pci_io *pci_io_enum (struct pci_dev *, struct pci_io *last);
void pci_register_irq (struct pci_dev *, pci_handler_func *, void *AUX);
void pci_unregister_irq (struct pci_dev *);
size_t pci_io_size (struct pci_io *);

void pci_write_config8 (struct pci_dev *, int reg, uint8_t);
void pci_write_config16 (struct pci_dev *, int reg, uint16_t);
void pci_write_config32 (struct pci_dev *, int reg, uint32_t);
uint8_t pci_read_config8 (struct pci_dev *, int reg);
uint16_t pci_read_config16 (struct pci_dev *, int reg);
uint32_t pci_read_config32 (struct pci_dev *, int reg);

void pci_reg_write32 (struct pci_io *, int reg, uint32_t);
void pci_reg_write16 (struct pci_io *, int reg, uint16_t);
void pci_reg_write8 (struct pci_io *, int reg, uint8_t);
uint32_t pci_reg_read32 (struct pci_io *, int reg);
uint16_t pci_reg_read16 (struct pci_io *, int reg);
uint8_t pci_reg_read8 (struct pci_io *, int reg);

void pci_read_in (struct pci_io *, int off, size_t sz, void *buf);
void pci_write_out (struct pci_io *, int off, size_t sz, const void *buf);
void pci_print_stats (void);
void pci_mask_irq (struct pci_dev *);
void pci_unmask_irq (struct pci_dev *);

#endif

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