diff options
Diffstat (limited to '')
| -rw-r--r-- | private/ntos/miniport/compaq/pcibios.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/private/ntos/miniport/compaq/pcibios.h b/private/ntos/miniport/compaq/pcibios.h new file mode 100644 index 000000000..24ad70bc5 --- /dev/null +++ b/private/ntos/miniport/compaq/pcibios.h @@ -0,0 +1,27 @@ +/* pci_bios command codes */ + +#define GENERATE_SPECIAL_CYCLE (unsigned char)0x06 +#define READ_CONFIG_BYTE (unsigned char)0x08 +#define READ_CONFIG_WORD (unsigned char)0x09 +#define READ_CONFIG_DWORD (unsigned char)0x0A +#define WRITE_CONFIG_BYTE (unsigned char)0x0B +#define WRITE_CONFIG_WORD (unsigned char)0x0C +#define WRITE_CONFIG_DWORD (unsigned char)0x0D + +#define SUCCESSFUL 0x00 +#define FUNC_NOT_SUPPORTED 0x81 +#define BAD_VENDOR_ID 0x83 +#define DEVICE_NOT_FOUND 0x86 +#define BAD_REGISTER_NUMBER 0x87 + +/* pci_bios will be call through a pointer */ +/* pci_bios returns 0x00 for sucess and non-zero for failure. */ +/* pci_bios should return the rom int return code for failure. */ +/* pci_bios can or 0x80 with the command for 32 bit calls. */ + +int pci_bios( unsigned char cmd, /* PCI bios command to perform */ + unsigned char bus, /* PCI bus number 0...255 */ + unsigned char device, /* PCI device number 0...31 */ + unsigned char func, /* PCI function number 0...7 */ + unsigned char reg, /* PCI register number 0...255 */ + unsigned long *value ); /* Data value used for command */ |