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authorAlan Hourihane <alanh@fairlite.demon.co.uk>2002-07-05 08:31:11 +0000
committerAlan Hourihane <alanh@fairlite.demon.co.uk>2002-07-05 08:31:11 +0000
commit74ef13fd009b9e37956e4207d0a5ed92f4b5e39a (patch)
treed4fa32d8f9b23872218ca5283cbd9b5fe02f6600 /bsd/drm.h
parent24025ca5f78c15ced14490532b4410730353d2c1 (diff)
merged bsd-3-0-0-branchbsd-3-0-0-20020705-merge
Diffstat (limited to 'bsd/drm.h')
-rw-r--r--bsd/drm.h38
1 files changed, 32 insertions, 6 deletions
diff --git a/bsd/drm.h b/bsd/drm.h
index ddb280cc0..376568e0d 100644
--- a/bsd/drm.h
+++ b/bsd/drm.h
@@ -35,8 +35,31 @@
#ifndef _DRM_H_
#define _DRM_H_
+#if defined(__linux__)
+#include <linux/config.h>
+#include <asm/ioctl.h> /* For _IO* macros */
+#define DRM_IOCTL_NR(n) _IOC_NR(n)
+#define DRM_IOC_VOID _IOC_NONE
+#define DRM_IOC_READ _IOC_READ
+#define DRM_IOC_WRITE _IOC_WRITE
+#define DRM_IOC_READWRITE _IOC_READ|_IOC_WRITE
+#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
+#elif defined(__FreeBSD__) || defined(__NetBSD__)
+#if defined(__FreeBSD__) && defined(XFree86Server)
+/* Prevent name collision when including sys/ioccom.h */
+#undef ioctl
#include <sys/ioccom.h>
-#define DRM_IOCTL_NR(n) ((n) & 0xff)
+#define ioctl(a,b,c) xf86ioctl(a,b,c)
+#else
+#include <sys/ioccom.h>
+#endif /* __FreeBSD__ && xf86ioctl */
+#define DRM_IOCTL_NR(n) ((n) & 0xff)
+#define DRM_IOC_VOID IOC_VOID
+#define DRM_IOC_READ IOC_OUT
+#define DRM_IOC_WRITE IOC_IN
+#define DRM_IOC_READWRITE IOC_INOUT
+#define DRM_IOC(dir, group, nr, size) _IOC(dir, group, nr, size)
+#endif
#define XFREE86_VERSION(major,minor,patch,snap) \
((major << 16) | (minor << 8) | patch)
@@ -62,7 +85,7 @@
#define DRM_NAME "drm" /* Name in kernel, /dev, and /proc */
#define DRM_MIN_ORDER 5 /* At least 2^5 bytes = 32 bytes */
#define DRM_MAX_ORDER 22 /* Up to 2^22 bytes = 4MB */
-#define DRM_RAM_PERCENT 50 /* How much system ram can we lock? */
+#define DRM_RAM_PERCENT 10 /* How much system ram can we lock? */
#define _DRM_LOCK_HELD 0x80000000 /* Hardware lock is held */
#define _DRM_LOCK_CONT 0x40000000 /* Hardware lock is contended */
@@ -78,6 +101,10 @@ typedef unsigned int drm_magic_t;
/* Warning: If you change this structure, make sure you change
* XF86DRIClipRectRec in the server as well */
+/* KW: Actually it's illegal to change either for
+ * backwards-compatibility reasons.
+ */
+
typedef struct drm_clip_rect {
unsigned short x1;
unsigned short y1;
@@ -357,10 +384,9 @@ typedef struct drm_scatter_gather {
#define DRM_IOCTL_BASE 'd'
#define DRM_IO(nr) _IO(DRM_IOCTL_BASE,nr)
-#define DRM_IOR(nr,size) _IOR(DRM_IOCTL_BASE,nr,size)
-#define DRM_IOW(nr,size) _IOW(DRM_IOCTL_BASE,nr,size)
-#define DRM_IOWR(nr,size) _IOWR(DRM_IOCTL_BASE,nr,size)
-
+#define DRM_IOR(nr,type) _IOR(DRM_IOCTL_BASE,nr,type)
+#define DRM_IOW(nr,type) _IOW(DRM_IOCTL_BASE,nr,type)
+#define DRM_IOWR(nr,type) _IOWR(DRM_IOCTL_BASE,nr,type)
#define DRM_IOCTL_VERSION DRM_IOWR(0x00, drm_version_t)
#define DRM_IOCTL_GET_UNIQUE DRM_IOWR(0x01, drm_unique_t)