d50c7b65af
bridges with support for 64 bit memory addresses and 32 bit I/O addresses). The code is not complete. It ignores the upper half of the long addresses. This is not a problem on PC compatible systems, but has to be fixed for real computers.
38 lines
1012 B
C
38 lines
1012 B
C
#ifndef _PCI_IOCTL_H
|
|
#define _PCI_IOCTL_H 1
|
|
|
|
#include <sys/ioccom.h>
|
|
|
|
struct pcisel {
|
|
u_char pc_bus; /* bus number */
|
|
u_char pc_dev; /* device on this bus */
|
|
u_char pc_func; /* function on this device */
|
|
};
|
|
|
|
struct pci_conf {
|
|
struct pcisel pc_sel; /* bus+slot+function */
|
|
u_char pc_hdr; /* PCI header type */
|
|
pcidi_t pc_devid; /* device ID */
|
|
pcidi_t pc_subid; /* subvendor ID */
|
|
u_int32_t pc_class; /* device class */
|
|
};
|
|
|
|
struct pci_conf_io {
|
|
size_t pci_len; /* length of buffer */
|
|
struct pci_conf *pci_buf; /* buffer */
|
|
};
|
|
|
|
struct pci_io {
|
|
struct pcisel pi_sel; /* device to operate on */
|
|
int pi_reg; /* configuration register to examine */
|
|
int pi_width; /* width (in bytes) of read or write */
|
|
u_int32_t pi_data; /* data to write or result of read */
|
|
};
|
|
|
|
|
|
#define PCIOCGETCONF _IOWR('p', 1, struct pci_conf_io)
|
|
#define PCIOCREAD _IOWR('p', 2, struct pci_io)
|
|
#define PCIOCWRITE _IOWR('p', 3, struct pci_io)
|
|
|
|
#endif /* _PCI_IOCTL_H */
|