* OS abstraction macros.
*/
-
#include <linux/interrupt.h> /* For task queue support */
#include <linux/delay.h>
#define DRM_ERR(d) -(d)
/** Current process ID */
#define DRM_CURRENTPID current->pid
+#define DRM_SUSER(p) capable(CAP_SYS_ADMIN)
#define DRM_UDELAY(d) udelay(d)
/** Read a byte from a MMIO region */
#define DRM_READ8(map, offset) readb(((void __iomem *)(map)->handle) + (offset))
#define DRM_MEMORYBARRIER() mb()
/** DRM device local declaration */
#define DRM_DEVICE drm_file_t *priv = filp->private_data; \
- drm_device_t *dev = priv->dev
+ drm_device_t *dev = priv->head->dev
/** IRQ handler arguments and return type and values */
-#define DRM_IRQ_ARGS int irq, void *arg, struct pt_regs *regs
+#define DRM_IRQ_ARGS int irq, void *arg
/** AGP types */
#if __OS_HAS_AGP
#else
/* define some dummy types for non AGP supporting kernels */
struct no_agp_kern {
- unsigned long aper_base;
- unsigned long aper_size;
+ unsigned long aper_base;
+ unsigned long aper_size;
};
#define DRM_AGP_MEM int
#define DRM_AGP_KERN struct no_agp_kern
#endif
#if !(__OS_HAS_MTRR)
-static __inline__ int mtrr_add (unsigned long base, unsigned long size,
- unsigned int type, char increment)
+static __inline__ int mtrr_add(unsigned long base, unsigned long size,
+ unsigned int type, char increment)
{
return -ENODEV;
}
-static __inline__ int mtrr_del (int reg, unsigned long base,
- unsigned long size)
+static __inline__ int mtrr_del(int reg, unsigned long base, unsigned long size)
{
return -ENODEV;
}
+
#define MTRR_TYPE_WRCOMB 1
#endif
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 )
+ (access_ok( VERIFY_READ, uaddr, size ) ? 0 : -EFAULT)
#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) \
__copy_from_user(arg1, arg2, arg3)
#define DRM_COPY_TO_USER_UNCHECKED(arg1, arg2, arg3) \
__copy_to_user(arg1, arg2, arg3)
#define DRM_GET_USER_UNCHECKED(val, uaddr) \
__get_user(val, uaddr)
-#define DRM_PUT_USER_UNCHECKED(uaddr, val) \
- __put_user(val, uaddr)
-
-
-/** 'malloc' without the overhead of DRM(alloc)() */
-#define DRM_MALLOC(x) kmalloc(x, GFP_KERNEL)
-/** 'free' without the overhead of DRM(free)() */
-#define DRM_FREE(x,size) kfree(x)
#define DRM_GET_PRIV_WITH_RETURN(_priv, _filp) _priv = _filp->private_data
-/**
+/**
* Get the pointer to the SAREA.
*
* Searches the SAREA on the mapping lists and points drm_device::sarea to it.
remove_wait_queue(&(queue), &entry); \
} while (0)
-
#define DRM_WAKEUP( queue ) wake_up_interruptible( queue )
#define DRM_INIT_WAITQUEUE( queue ) init_waitqueue_head( queue )
-