acrn-hypervisor/devicemodel/include/pciio.h

149 lines
4.9 KiB
C

/*-
* Copyright (c) 1997, Stefan Esser <se@FreeBSD.ORG>
* Copyright (c) 1997, 1998, 1999, Kenneth D. Merry <ken@FreeBSD.ORG>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $FreeBSD$
*
*/
#ifndef _PCIIO_H_
#define _PCIIO_H_
#include "asm/ioctl.h"
#define PCI_MAXNAMELEN 16
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 = 0x0000,
PCI_GETCONF_MATCH_DOMAIN = 0x0001,
PCI_GETCONF_MATCH_BUS = 0x0002,
PCI_GETCONF_MATCH_DEV = 0x0004,
PCI_GETCONF_MATCH_FUNC = 0x0008,
PCI_GETCONF_MATCH_NAME = 0x0010,
PCI_GETCONF_MATCH_UNIT = 0x0020,
PCI_GETCONF_MATCH_VENDOR = 0x0040,
PCI_GETCONF_MATCH_DEVICE = 0x0080,
PCI_GETCONF_MATCH_CLASS = 0x0100
} pci_getconf_flags;
struct pcisel {
u_int32_t domain; /* domain number */
u_int8_t bus; /* bus number */
u_int8_t dev; /* device on this bus */
u_int8_t func; /* function on this device */
};
struct pci_conf {
struct pcisel sel; /* domain+bus+slot+function */
u_int8_t hdr; /* PCI header type */
u_int16_t subvendor; /* card vendor ID */
u_int16_t subdevice; /* card device ID, assigned by
* card vendor
*/
u_int16_t vendor; /* chip vendor ID */
u_int16_t device; /* chip device ID, assigned by
* chip vendor
*/
u_int8_t pc_class; /* chip PCI class */
u_int8_t subclass; /* chip PCI subclass */
u_int8_t progif; /* chip PCI programming interface */
u_int8_t revid; /* chip revision ID */
char pd_name[PCI_MAXNAMELEN + 1]; /* device name */
u_long pd_unit; /* device unit number */
};
struct pci_match_conf {
struct pcisel sel; /* domain+bus+slot+function */
char pd_name[PCI_MAXNAMELEN + 1]; /* device name */
u_long pd_unit; /* Unit number */
u_int16_t vendor; /* PCI Vendor ID */
u_int16_t 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; /* pattern buffer length */
u_int32_t num_patterns; /* number of patterns */
struct pci_match_conf *patterns; /* pattern buffer */
u_int32_t match_buf_len; /* match buffer length */
u_int32_t num_matches; /* number of matches returned */
struct pci_conf *matches; /* match buffer */
u_int32_t offset; /* offset into device list */
u_int32_t generation; /* device list generation */
pci_getconf_status status; /* request status */
};
struct pci_io {
struct pcisel sel; /* device to operate on */
int reg; /* configuration register to examine */
int width; /* width (in bytes) of read or write */
u_int32_t data; /* data to write or result of read */
};
struct pci_bar_io {
struct pcisel sel; /* device to operate on */
int reg; /* starting address of BAR */
int pbi_enabled; /* decoding enabled */
uint64_t base; /* current value of BAR */
uint64_t length; /* length of BAR */
};
struct pci_vpd_element {
char keyword[2];
uint8_t flags;
uint8_t datalen;
uint8_t data[0];
};
#define PVE_FLAG_IDENT 0x01 /* Element is the string identifier */
#define PVE_FLAG_RW 0x02 /* Element is read/write */
#define PVE_NEXT(pve) \
((struct pci_vpd_element *)((char *)(pve) + \
sizeof(struct pci_vpd_element) + (pve)->datalen))
struct pci_list_vpd_io {
struct pcisel plvi_sel; /* device to operate on */
size_t plvi_len; /* size of the data area */
struct pci_vpd_element *plvi_data;
};
#define PCIOCGETCONF _IOWR('p', 5, 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)
#define PCIOCGETBAR _IOWR('p', 6, struct pci_bar_io)
#define PCIOCLISTVPD _IOWR('p', 7, struct pci_list_vpd_io)
#endif /* !_PCIIO_H_ */