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#define __NO_VERSION__
#include <linux/interrupt.h> /* For task queue support */
#include <linux/delay.h>
#define DRM_IOCTL_ARGS struct inode *inode, struct file *filp, unsigned int cmd, unsigned long data
#define DRM_ERR(d) -(d)
#define DRM_CURRENTPID current->pid
#define DRM_UDELAY(d) udelay(d)
#define DRM_READ8(addr) readb(addr)
#define DRM_READ32(addr) readl(addr)
#define DRM_WRITE8(addr, val) writeb(val, addr)
#define DRM_WRITE32(addr, val) writel(val, addr)
#define DRM_READMEMORYBARRIER() mb()
#define DRM_WRITEMEMORYBARRIER() wmb()
#define DRM_DEVICE drm_file_t *priv = filp->private_data; \
drm_device_t *dev = priv->dev
/* For data going from/to the kernel through the ioctl argument */
#define DRM_COPY_FROM_USER_IOCTL(arg1, arg2, arg3) \
if ( copy_from_user(&arg1, arg2, arg3) ) \
return -EFAULT
#define DRM_COPY_TO_USER_IOCTL(arg1, arg2, arg3) \
if ( copy_to_user(arg1, &arg2, arg3) ) \
return -EFAULT
/* Other copying of data from/to kernel space */
#define DRM_COPY_FROM_USER(arg1, arg2, arg3) \
copy_from_user(arg1, arg2, arg3)
#define DRM_COPY_TO_USER(arg1, arg2, arg3) \
copy_to_user(arg1, arg2, arg3)
/* Macros for copyfrom user, but checking readability only once */
#define DRM_VERIFYAREA_READ( uaddr, size ) \
verify_area( VERIFY_READ, uaddr, size )
#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
__copy_from_user(arg1, arg2, arg3)
#define DRM_GET_USER_UNCHECKED(val, uaddr) \
__get_user(val, uaddr)
/* malloc/free without the overhead of DRM(alloc) */
#define DRM_MALLOC(x) kmalloc(x, GFP_KERNEL)
#define DRM_FREE(x) kfree(x)
#define DRM_GETSAREA() \
do { \
struct list_head *list; \
list_for_each( list, &dev->maplist->head ) { \
drm_map_list_t *entry = (drm_map_list_t *)list; \
if ( entry->map && \
entry->map->type == _DRM_SHM && \
(entry->map->flags & _DRM_CONTAINS_LOCK) ) { \
dev_priv->sarea = entry->map; \
break; \
} \
} \
} while (0)
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