mirror of
https://gitlab.freedesktop.org/mesa/mesa.git
synced 2026-01-31 17:50:35 +01:00
a3516dafc9
The reason for this is to inline those calls in drivers. They are very trivial, so why not. Acked-by: Pierre-Eric Pelloux-Prayer <pierre-eric.pelloux-prayer@amd.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/32067>
50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
/*
|
|
* Copyright 2024 Advanced Micro Devices, Inc.
|
|
* SPDX-License-Identifier: MIT
|
|
*/
|
|
|
|
/* These are identical to libdrm functions drmCommandWrite* and drmIoctl,
|
|
* but unlike libdrm, these are inlinable.
|
|
*/
|
|
|
|
#ifndef OS_DRM_H
|
|
#define OS_DRM_H
|
|
|
|
#ifdef _WIN32
|
|
#error "Windows shouldn't include this."
|
|
#endif
|
|
|
|
#include <sys/ioctl.h>
|
|
#include <errno.h>
|
|
#include <xf86drm.h>
|
|
|
|
static inline int
|
|
drm_ioctl(int fd, uint32_t request, void *arg)
|
|
{
|
|
int ret;
|
|
|
|
do {
|
|
ret = ioctl(fd, request, arg);
|
|
} while (ret == -1 && (errno == EINTR || errno == EAGAIN));
|
|
|
|
return ret ? -errno : 0;
|
|
}
|
|
|
|
static inline int
|
|
drm_ioctl_write(int fd, unsigned drm_command_index, void *data, unsigned size)
|
|
{
|
|
uint32_t request = DRM_IOC(DRM_IOC_WRITE, DRM_IOCTL_BASE,
|
|
DRM_COMMAND_BASE + drm_command_index, size);
|
|
return drm_ioctl(fd, request, data);
|
|
}
|
|
|
|
static inline int
|
|
drm_ioctl_write_read(int fd, unsigned drm_command_index, void *data,
|
|
unsigned size)
|
|
{
|
|
uint32_t request = DRM_IOC(DRM_IOC_READ | DRM_IOC_WRITE, DRM_IOCTL_BASE,
|
|
DRM_COMMAND_BASE + drm_command_index, size);
|
|
return drm_ioctl(fd, request, data);
|
|
}
|
|
|
|
#endif
|