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#ifndef _PCI_IOCTL_H
#define _PCI_IOCTL_H 1
#include <sys/ioccom.h>
#define PCI_MAXNAMELEN 16 /* max no. of characters in a device name */
typedef enum {
PCI_GETCONF_LAST_DEVICE,
PCI_GETCONF_LIST_CHANGED,
PCI_GETCONF_MORE_DEVS,
PCI_GETCONF_ERROR
} pci_getconf_status;
typedef enum {
PCI_GETCONF_NO_MATCH = 0x00,
PCI_GETCONF_MATCH_BUS = 0x01,
PCI_GETCONF_MATCH_DEV = 0x02,
PCI_GETCONF_MATCH_FUNC = 0x04,
PCI_GETCONF_MATCH_NAME = 0x08,
PCI_GETCONF_MATCH_UNIT = 0x10,
PCI_GETCONF_MATCH_VENDOR = 0x20,
PCI_GETCONF_MATCH_DEVICE = 0x40,
PCI_GETCONF_MATCH_CLASS = 0x80
} pci_getconf_flags;
struct pcisel {
u_int8_t pc_bus; /* bus number */
u_int8_t pc_dev; /* device on this bus */
u_int8_t pc_func; /* function on this device */
};
struct pci_conf {
struct pcisel pc_sel; /* bus+slot+function */
u_int8_t pc_hdr; /* PCI header type */
u_int16_t pc_subvendor; /* card vendor ID */
u_int16_t pc_subdevice; /* card device ID, assigned by
card vendor */
u_int16_t pc_vendor; /* chip vendor ID */
u_int16_t pc_device; /* chip device ID, assigned by
chip vendor */
u_int8_t pc_class; /* chip PCI class */
u_int8_t pc_subclass; /* chip PCI subclass */
u_int8_t pc_progif; /* chip PCI programming interface */
u_int8_t pc_revid; /* chip revision ID */
char pd_name[PCI_MAXNAMELEN + 1]; /* Name of peripheral
device */
u_long pd_unit; /* Unit number */
};
struct pci_match_conf {
struct pcisel pc_sel; /* bus+slot+function */
char pd_name[PCI_MAXNAMELEN + 1]; /* Name of peripheral
device */
u_long pd_unit; /* Unit number */
u_int16_t pc_vendor; /* PCI Vendor ID */
u_int16_t pc_device; /* PCI Device ID */
u_int8_t pc_class; /* PCI class */
pci_getconf_flags flags; /* Matching expression */
};
struct pci_conf_io {
u_int32_t pat_buf_len; /*
* Length of buffer passed in from
* user space.
*/
u_int32_t num_patterns; /*
* Number of pci_match_conf structures
* passed in by the user.
*/
struct pci_match_conf *patterns; /*
* Patterns passed in by the user.
*/
u_int32_t match_buf_len;/*
* Length of match buffer passed
* in by the user.
*/
u_int32_t num_matches; /*
* Number of matches returned by
* the kernel.
*/
struct pci_conf *matches; /*
* PCI device matches returned by
* the kernel.
*/
u_int32_t offset; /*
* Passed in by the user code to
* indicate where the kernel should
* start traversing the device list.
* The value passed out by the kernel
* points to the record immediately
* after the last one returned.
* i.e. this value may be passed back
* unchanged by the user for a
* subsequent call.
*/
u_int32_t generation; /*
* PCI configuration generation.
* This only needs to be set if the
* offset is set. The kernel will
* compare its current generation
* number to the generation passed
* in by the user to determine
* whether the PCI device list has
* changed since the user last
* called the GETCONF ioctl.
*/
pci_getconf_status status; /*
* Status passed back from the
* kernel.
*/
};
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)
#define PCIOCATTACHED _IOWR('p', 4, struct pci_io)
#endif /* _PCI_IOCTL_H */
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