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xserver/include/hotplug.h

84 lines
2.8 KiB
C

/*
* Copyright © 2006-2007 Daniel Stone
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Author: Daniel Stone <daniel@fooishbar.org>
*/
#ifndef HOTPLUG_H
#define HOTPLUG_H
#include "list.h"
extern _X_EXPORT void config_pre_init(void);
extern _X_EXPORT void config_init(void);
extern _X_EXPORT void config_fini(void);
/* Bump this each time you add something to the struct
* so that drivers can easily tell what is available
*/
#define ODEV_ATTRIBUTES_VERSION 1
struct OdevAttributes {
/* path to kernel device node - Linux e.g. /dev/dri/card0 */
char *path;
/* system device path - Linux e.g. /sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card1 */
char *syspath;
/* DRI-style bus id */
char *busid;
/* Server managed FD */
int fd;
/* Major number of the device node pointed to by ODEV_ATTRIB_PATH */
int major;
/* Minor number of the device node pointed to by ODEV_ATTRIB_PATH */
int minor;
/* kernel driver name */
char *driver;
};
/* Note starting with xserver 1.16 this function never fails */
struct OdevAttributes *
config_odev_allocate_attributes(void);
void
config_odev_free_attributes(struct OdevAttributes *attribs);
typedef void (*config_odev_probe_proc_ptr)(struct OdevAttributes *attribs);
void config_odev_probe(config_odev_probe_proc_ptr probe_callback);
#ifdef CONFIG_UDEV_KMS
void NewGPUDeviceRequest(struct OdevAttributes *attribs);
void DeleteGPUDeviceRequest(struct OdevAttributes *attribs);
#endif
#define ServerIsNotSeat0() (SeatId && strcmp(SeatId, "seat0"))
struct xf86_platform_device *
xf86_find_platform_device_by_devnum(int major, int minor);
#endif /* HOTPLUG_H */