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129 lines
3.8 KiB
C
129 lines
3.8 KiB
C
#ifndef _PCI_IOCTL_H
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#define _PCI_IOCTL_H 1
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#include <sys/ioccom.h>
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#define PCI_MAXNAMELEN 16 /* max no. of characters in a device name */
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typedef enum {
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PCI_GETCONF_LAST_DEVICE,
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PCI_GETCONF_LIST_CHANGED,
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PCI_GETCONF_MORE_DEVS,
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PCI_GETCONF_ERROR
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} pci_getconf_status;
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typedef enum {
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PCI_GETCONF_NO_MATCH = 0x00,
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PCI_GETCONF_MATCH_BUS = 0x01,
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PCI_GETCONF_MATCH_DEV = 0x02,
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PCI_GETCONF_MATCH_FUNC = 0x04,
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PCI_GETCONF_MATCH_NAME = 0x08,
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PCI_GETCONF_MATCH_UNIT = 0x10,
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PCI_GETCONF_MATCH_VENDOR = 0x20,
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PCI_GETCONF_MATCH_DEVICE = 0x40,
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PCI_GETCONF_MATCH_CLASS = 0x80
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} pci_getconf_flags;
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struct pcisel {
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u_int8_t pc_bus; /* bus number */
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u_int8_t pc_dev; /* device on this bus */
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u_int8_t pc_func; /* function on this device */
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};
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struct pci_conf {
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struct pcisel pc_sel; /* bus+slot+function */
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u_int8_t pc_hdr; /* PCI header type */
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u_int16_t pc_subvendor; /* card vendor ID */
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u_int16_t pc_subdevice; /* card device ID, assigned by
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card vendor */
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u_int16_t pc_vendor; /* chip vendor ID */
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u_int16_t pc_device; /* chip device ID, assigned by
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chip vendor */
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u_int8_t pc_class; /* chip PCI class */
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u_int8_t pc_subclass; /* chip PCI subclass */
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u_int8_t pc_progif; /* chip PCI programming interface */
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u_int8_t pc_revid; /* chip revision ID */
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char pd_name[PCI_MAXNAMELEN + 1]; /* Name of peripheral
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device */
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u_long pd_unit; /* Unit number */
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};
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struct pci_match_conf {
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struct pcisel pc_sel; /* bus+slot+function */
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char pd_name[PCI_MAXNAMELEN + 1]; /* Name of peripheral
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device */
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u_long pd_unit; /* Unit number */
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u_int16_t pc_vendor; /* PCI Vendor ID */
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u_int16_t pc_device; /* PCI Device ID */
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u_int8_t pc_class; /* PCI class */
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pci_getconf_flags flags; /* Matching expression */
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};
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struct pci_conf_io {
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u_int32_t pat_buf_len; /*
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* Length of buffer passed in from
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* user space.
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*/
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u_int32_t num_patterns; /*
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* Number of pci_match_conf structures
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* passed in by the user.
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*/
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struct pci_match_conf *patterns; /*
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* Patterns passed in by the user.
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*/
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u_int32_t match_buf_len;/*
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* Length of match buffer passed
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* in by the user.
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*/
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u_int32_t num_matches; /*
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* Number of matches returned by
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* the kernel.
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*/
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struct pci_conf *matches; /*
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* PCI device matches returned by
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* the kernel.
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*/
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u_int32_t offset; /*
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* Passed in by the user code to
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* indicate where the kernel should
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* start traversing the device list.
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* The value passed out by the kernel
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* points to the record immediately
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* after the last one returned.
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* i.e. this value may be passed back
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* unchanged by the user for a
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* subsequent call.
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*/
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u_int32_t generation; /*
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* PCI configuration generation.
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* This only needs to be set if the
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* offset is set. The kernel will
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* compare its current generation
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* number to the generation passed
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* in by the user to determine
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* whether the PCI device list has
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* changed since the user last
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* called the GETCONF ioctl.
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*/
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pci_getconf_status status; /*
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* Status passed back from the
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* kernel.
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*/
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};
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struct pci_io {
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struct pcisel pi_sel; /* device to operate on */
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int pi_reg; /* configuration register to examine */
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int pi_width; /* width (in bytes) of read or write */
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u_int32_t pi_data; /* data to write or result of read */
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};
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#define PCIOCGETCONF _IOWR('p', 1, struct pci_conf_io)
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#define PCIOCREAD _IOWR('p', 2, struct pci_io)
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#define PCIOCWRITE _IOWR('p', 3, struct pci_io)
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#define PCIOCATTACHED _IOWR('p', 4, struct pci_io)
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#endif /* _PCI_IOCTL_H */
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