Add DRMFILE definitions and supply filp for BSD in the

    post-drm-filp-0-1-branch world. The filp is a void * cast from the
    current pid. This is a temporary solution which maintains the status
    quo until a proper solution is implemented.
What is really needed is a unique pointer per open, hopefully with a device
    private area. This can be done in FreeBSD for all entry points except
    mmap, but is difficult (sys/dev/streams/streams.c is an example). I
    have partially completed code for this but have not had time to debug,
    so this is a temporary fix.

7 files changed, 220 insertions, 233 deletions

diff --git a/bsd-core/drmP.h b/bsd-core/drmP.h
index d28af721..a673ecda 100644
--- a/bsd-core/drmP.h
+++ b/bsd-core/drmP.h
@@ -153,7 +153,7 @@ typedef struct drm_pci_list {
 } drm_pci_list_t;
 
 typedef struct drm_ioctl_desc {
-	d_ioctl_t            *func;
+	int		     (*func)(DRM_IOCTL_ARGS);
 	int		     auth_needed;
 	int		     root_only;
 } drm_ioctl_desc_t;
@@ -192,7 +192,7 @@ typedef struct drm_buf {
 	__volatile__ int  waiting;     /* On kernel DMA queue		     */
 	__volatile__ int  pending;     /* On hardware DMA queue		     */
 	wait_queue_head_t dma_wait;    /* Processes waiting		     */
-	pid_t		  pid;	       /* PID of holding process	     */
+	DRMFILE		  filp;	       /* Unique identifier of holding process */
 	int		  context;     /* Kernel queue for this buffer	     */
 	int		  while_locked;/* Dispatch this buffer while locked  */
 	enum {
@@ -309,7 +309,7 @@ typedef struct drm_queue {
 
 typedef struct drm_lock_data {
 	drm_hw_lock_t	  *hw_lock;	/* Hardware lock		   */
-	pid_t		  pid;		/* PID of lock holder (0=kernel)   */
+	DRMFILE		  filp;	        /* Unique identifier of holding process (NULL is kernel)*/
 	wait_queue_head_t lock_queue;	/* Queue of blocked processes	   */
 	unsigned long	  lock_time;	/* Time of last lock in jiffies	   */
 } drm_lock_data_t;
@@ -596,7 +596,7 @@ extern int	     DRM(order)( unsigned long size );
 extern int	     DRM(dma_setup)(drm_device_t *dev);
 extern void	     DRM(dma_takedown)(drm_device_t *dev);
 extern void	     DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf);
-extern void	     DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid);
+extern void	     DRM(reclaim_buffers)(drm_device_t *dev, DRMFILE filp);
 #if __HAVE_OLD_DMA
 /* GH: This is a dirty hack for now...
  */
@@ -668,5 +668,82 @@ extern int            DRM(ati_pcigart_cleanup)(drm_device_t *dev,
 					       dma_addr_t bus_addr);
 #endif
 
+/* Locking IOCTL support (drm_drv.h) */
+extern int		DRM(lock)(DRM_IOCTL_ARGS);
+extern int		DRM(unlock)(DRM_IOCTL_ARGS);
+
+/* Misc. IOCTL support (drm_ioctl.h) */
+extern int		DRM(irq_busid)(DRM_IOCTL_ARGS);
+extern int		DRM(getunique)(DRM_IOCTL_ARGS);
+extern int		DRM(setunique)(DRM_IOCTL_ARGS);
+extern int		DRM(getmap)(DRM_IOCTL_ARGS);
+extern int		DRM(getclient)(DRM_IOCTL_ARGS);
+extern int		DRM(getstats)(DRM_IOCTL_ARGS);
+
+/* Context IOCTL support (drm_context.h) */
+extern int		DRM(resctx)(DRM_IOCTL_ARGS);
+extern int		DRM(addctx)(DRM_IOCTL_ARGS);
+extern int		DRM(modctx)(DRM_IOCTL_ARGS);
+extern int		DRM(getctx)(DRM_IOCTL_ARGS);
+extern int		DRM(switchctx)(DRM_IOCTL_ARGS);
+extern int		DRM(newctx)(DRM_IOCTL_ARGS);
+extern int		DRM(rmctx)(DRM_IOCTL_ARGS);
+extern int		DRM(setsareactx)(DRM_IOCTL_ARGS);
+extern int		DRM(getsareactx)(DRM_IOCTL_ARGS);
+
+/* Drawable IOCTL support (drm_drawable.h) */
+extern int		DRM(adddraw)(DRM_IOCTL_ARGS);
+extern int		DRM(rmdraw)(DRM_IOCTL_ARGS);
+
+/* Authentication IOCTL support (drm_auth.h) */
+extern int		DRM(getmagic)(DRM_IOCTL_ARGS);
+extern int		DRM(authmagic)(DRM_IOCTL_ARGS);
+
+/* Locking IOCTL support (drm_lock.h) */
+extern int		DRM(block)(DRM_IOCTL_ARGS);
+extern int		DRM(unblock)(DRM_IOCTL_ARGS);
+extern int		DRM(finish)(DRM_IOCTL_ARGS);
+
+/* Buffer management support (drm_bufs.h) */
+extern int		DRM(addmap)(DRM_IOCTL_ARGS);
+extern int		DRM(rmmap)(DRM_IOCTL_ARGS);
+#if __HAVE_DMA
+extern int		DRM(addbufs_agp)(DRM_IOCTL_ARGS);
+extern int		DRM(addbufs_pci)(DRM_IOCTL_ARGS);
+extern int		DRM(addbufs_sg)(DRM_IOCTL_ARGS);
+extern int		DRM(addbufs)(DRM_IOCTL_ARGS);
+extern int		DRM(infobufs)(DRM_IOCTL_ARGS);
+extern int		DRM(markbufs)(DRM_IOCTL_ARGS);
+extern int		DRM(freebufs)(DRM_IOCTL_ARGS);
+extern int		DRM(mapbufs)(DRM_IOCTL_ARGS);
+#endif
+
+/* DMA support (drm_dma.h) */
+#if __HAVE_DMA
+extern int		DRM(control)(DRM_IOCTL_ARGS);
+#endif
+#if __HAVE_VBL_IRQ
+extern int		DRM(wait_vblank)(DRM_IOCTL_ARGS);
+#endif
+
+/* AGP/GART support (drm_agpsupport.h) */
+#if __REALLY_HAVE_AGP
+extern int		DRM(agp_acquire)(DRM_IOCTL_ARGS);
+extern int		DRM(agp_release)(DRM_IOCTL_ARGS);
+extern int		DRM(agp_enable)(DRM_IOCTL_ARGS);
+extern int		DRM(agp_info)(DRM_IOCTL_ARGS);
+extern int		DRM(agp_alloc)(DRM_IOCTL_ARGS);
+extern int		DRM(agp_free)(DRM_IOCTL_ARGS);
+extern int		DRM(agp_unbind)(DRM_IOCTL_ARGS);
+extern int		DRM(agp_bind)(DRM_IOCTL_ARGS);
+#endif
+
+/* Scatter Gather Support (drm_scatter.h) */
+#if __HAVE_SG
+extern int		DRM(sg_alloc)(DRM_IOCTL_ARGS);
+extern int		DRM(sg_free)(DRM_IOCTL_ARGS);
+#endif
+
+
 #endif /* __KERNEL__ */
 #endif /* _DRM_P_H_ */
diff --git a/bsd-core/drm_bufs.c b/bsd-core/drm_bufs.c
index 5df6f342..8e0534f2 100644
--- a/bsd-core/drm_bufs.c
+++ b/bsd-core/drm_bufs.c
@@ -417,7 +417,7 @@ int DRM(addbufs_agp)( DRM_IOCTL_ARGS )
 		buf->waiting = 0;
 		buf->pending = 0;
 		buf->dma_wait = 0;
-		buf->pid     = 0;
+		buf->filp    = NULL;
 
 		buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T);
 		buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T),
@@ -625,7 +625,7 @@ int DRM(addbufs_pci)( DRM_IOCTL_ARGS )
 			buf->waiting = 0;
 			buf->pending = 0;
 			buf->dma_wait = 0;
-			buf->pid     = 0;
+			buf->filp    = NULL;
 #if __HAVE_DMA_HISTOGRAM
 			buf->time_queued     = 0;
 			buf->time_dispatched = 0;
@@ -778,7 +778,7 @@ int DRM(addbufs_sg)( DRM_IOCTL_ARGS )
 		buf->waiting = 0;
 		buf->pending = 0;
 		buf->dma_wait = 0;
-		buf->pid     = 0;
+		buf->filp    = NULL;
 
 		buf->dev_priv_size = sizeof(DRIVER_BUF_PRIV_T);
 		buf->dev_private = DRM(alloc)( sizeof(DRIVER_BUF_PRIV_T),
@@ -862,16 +862,16 @@ int DRM(addbufs)( DRM_IOCTL_ARGS )
 
 #if __REALLY_HAVE_AGP
 	if ( request.flags & _DRM_AGP_BUFFER )
-		return DRM(addbufs_agp)( kdev, cmd, data, flags, p );
+		return DRM(addbufs_agp)( kdev, cmd, data, flags, p, filp );
 	else
 #endif
 #if __REALLY_HAVE_SG
 	if ( request.flags & _DRM_SG_BUFFER )
-		return DRM(addbufs_sg)( kdev, cmd, data, flags, p );
+		return DRM(addbufs_sg)( kdev, cmd, data, flags, p, filp );
 	else
 #endif
 #if __HAVE_PCI_DMA
-		return DRM(addbufs_pci)( kdev, cmd, data, flags, p );
+		return DRM(addbufs_pci)( kdev, cmd, data, flags, p, filp );
 #else
 		return DRM_ERR(EINVAL);
 #endif
@@ -995,9 +995,9 @@ int DRM(freebufs)( DRM_IOCTL_ARGS )
 			return DRM_ERR(EINVAL);
 		}
 		buf = dma->buflist[idx];
-		if ( buf->pid != DRM_CURRENTPID ) {
-			DRM_ERROR( "Process %d freeing buffer owned by %d\n",
-				   DRM_CURRENTPID, buf->pid );
+		if ( buf->filp != filp ) {
+			DRM_ERROR("Process %d freeing buffer not owned\n",
+				   DRM_CURRENTPID);
 			return DRM_ERR(EINVAL);
 		}
 		DRM(free_buffer)( dev, buf );
diff --git a/bsd-core/drm_dma.c b/bsd-core/drm_dma.c
index 946e652c..fa0bd20d 100644
--- a/bsd-core/drm_dma.c
+++ b/bsd-core/drm_dma.c
@@ -182,7 +182,7 @@ void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf)
 
 	buf->waiting  = 0;
 	buf->pending  = 0;
-	buf->pid      = 0;
+	buf->filp     = NULL;
 	buf->used     = 0;
 #if __HAVE_DMA_HISTOGRAM
 	buf->time_completed = get_cycles();
@@ -205,14 +205,14 @@ void DRM(free_buffer)(drm_device_t *dev, drm_buf_t *buf)
 }
 
 #if !__HAVE_DMA_RECLAIM
-void DRM(reclaim_buffers)(drm_device_t *dev, pid_t pid)
+void DRM(reclaim_buffers)(drm_device_t *dev, DRMFILE filp)
 {
 	drm_device_dma_t *dma = dev->dma;
 	int		 i;
 
 	if (!dma) return;
 	for (i = 0; i < dma->buf_count; i++) {
-		if (dma->buflist[i]->pid == pid) {
+		if (dma->buflist[i]->filp == filp) {
 			switch (dma->buflist[i]->list) {
 			case DRM_LIST_NONE:
 				DRM(free_buffer)(dev, dma->buflist[i]);
diff --git a/bsd-core/drm_drv.c b/bsd-core/drm_drv.c
index d477a0f8..74655ee9 100644
--- a/bsd-core/drm_drv.c
+++ b/bsd-core/drm_drv.c
@@ -705,7 +705,7 @@ static int DRM(takedown)( drm_device_t *dev )
 #endif
 	if ( dev->lock.hw_lock ) {
 		dev->lock.hw_lock = NULL; /* SHM removed */
-		dev->lock.pid = 0;
+		dev->lock.filp = NULL;
 		DRM_WAKEUP_INT((void *)&dev->lock.lock_queue);
 	}
 	DRM_UNLOCK;
@@ -929,7 +929,8 @@ int DRM(close)(dev_t kdev, int flags, int fmt, DRM_STRUCTPROC *p)
 	drm_file_t *priv;
 	DRM_DEVICE;
 	int retcode = 0;
-
+	DRMFILE __unused filp = (void *)(DRM_CURRENTPID);
+	
 	DRM_DEBUG( "open_count = %d\n", dev->open_count );
 	priv = DRM(find_file_by_proc)(dev, p);
 	if (!priv) {
@@ -952,7 +953,7 @@ int DRM(close)(dev_t kdev, int flags, int fmt, DRM_STRUCTPROC *p)
 #endif
 
 	if (dev->lock.hw_lock && _DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock)
-	    && dev->lock.pid == DRM_CURRENTPID) {
+	    && dev->lock.filp == (void *)DRM_CURRENTPID) {
 		DRM_DEBUG("Process %d dead, freeing lock for context %d\n",
 			  DRM_CURRENTPID,
 			  _DRM_LOCKING_CONTEXT(dev->lock.hw_lock->lock));
@@ -1002,7 +1003,7 @@ int DRM(close)(dev_t kdev, int flags, int fmt, DRM_STRUCTPROC *p)
 		}
 	}
 #elif __HAVE_DMA
-	DRM(reclaim_buffers)( dev, priv->pid );
+	DRM(reclaim_buffers)( dev, (void *)priv->pid );
 #endif
 
 #if defined (__FreeBSD__) && (__FreeBSD_version >= 500000)
@@ -1052,12 +1053,13 @@ int DRM(close)(dev_t kdev, int flags, int fmt, DRM_STRUCTPROC *p)
 
 /* DRM(ioctl) is called whenever a process performs an ioctl on /dev/drm.
  */
-int DRM(ioctl)( DRM_IOCTL_ARGS )
+int DRM(ioctl)(dev_t kdev, u_long cmd, caddr_t data, int flags, 
+    DRM_STRUCTPROC *p)
 {
 	DRM_DEVICE;
 	int retcode = 0;
 	drm_ioctl_desc_t *ioctl;
-	d_ioctl_t *func;
+	int (*func)(DRM_IOCTL_ARGS);
 	int nr = DRM_IOCTL_NR(cmd);
 	DRM_PRIV;
 
@@ -1123,7 +1125,7 @@ int DRM(ioctl)( DRM_IOCTL_ARGS )
 			 || ( ioctl->auth_needed && !priv->authenticated ) ) {
 			retcode = EACCES;
 		} else {
-			retcode = func( kdev, cmd, data, flags, p );
+			retcode = func(kdev, cmd, data, flags, p, (void *)DRM_CURRENTPID);
 		}
 	}
 
@@ -1178,7 +1180,7 @@ int DRM(lock)( DRM_IOCTL_ARGS )
                         }
                         if ( DRM(lock_take)( &dev->lock.hw_lock->lock,
 					     lock.context ) ) {
-                                dev->lock.pid       = DRM_CURRENTPID;
+                                dev->lock.filp = (void *)DRM_CURRENTPID;
                                 dev->lock.lock_time = jiffies;
                                 atomic_inc( &dev->counts[_DRM_STAT_LOCKS] );
                                 break;  /* Got lock */
diff --git a/bsd-core/drm_lock.c b/bsd-core/drm_lock.c
index 6dd4f3c4..3bab78ef 100644
--- a/bsd-core/drm_lock.c
+++ b/bsd-core/drm_lock.c
@@ -78,7 +78,7 @@ int DRM(lock_transfer)(drm_device_t *dev,
 {
 	unsigned int old, new;
 
-	dev->lock.pid = 0;
+	dev->lock.filp = NULL;
 	do {
 		old  = *lock;
 		new  = context | _DRM_LOCK_HELD;
@@ -91,19 +91,16 @@ int DRM(lock_free)(drm_device_t *dev,
 		   __volatile__ unsigned int *lock, unsigned int context)
 {
 	unsigned int old, new;
-	pid_t        pid = dev->lock.pid;
 
-	dev->lock.pid = 0;
+	dev->lock.filp = NULL;
 	do {
 		old  = *lock;
 		new  = 0;
 	} while (!atomic_cmpset_int(lock, old, new));
 
 	if (_DRM_LOCK_IS_HELD(old) && _DRM_LOCKING_CONTEXT(old) != context) {
-		DRM_ERROR("%d freed heavyweight lock held by %d (pid %d)\n",
-			  context,
-			  _DRM_LOCKING_CONTEXT(old),
-			  pid);
+		DRM_ERROR("%d freed heavyweight lock held by %d\n",
+			  context, _DRM_LOCKING_CONTEXT(old));
 		return 1;
 	}
 	DRM_WAKEUP_INT((void *)&dev->lock.lock_queue);
diff --git a/bsd-core/drm_os_freebsd.h b/bsd-core/drm_os_freebsd.h
index 227c9963..30a6e362 100644
--- a/bsd-core/drm_os_freebsd.h
+++ b/bsd-core/drm_os_freebsd.h
@@ -101,7 +101,11 @@
 #define DRM_CURRENTPID		curproc->p_pid
 #endif
 
-#define DRM_IOCTL_ARGS		dev_t kdev, u_long cmd, caddr_t data, int flags, DRM_STRUCTPROC *p
+/* Currently our DRMFILE (filp) is a void * which is actually the pid
+ * of the current process.  It should be a per-open unique pointer, but
+ * code for that is not yet written */
+#define DRMFILE			void *
+#define DRM_IOCTL_ARGS		dev_t kdev, u_long cmd, caddr_t data, int flags, DRM_STRUCTPROC *p, DRMFILE filp
 #define DRM_LOCK		lockmgr(&dev->dev_lock, LK_EXCLUSIVE, 0, DRM_CURPROC)
 #define DRM_UNLOCK 		lockmgr(&dev->dev_lock, LK_RELEASE, 0, DRM_CURPROC)
 #define DRM_SUSER(p)		suser(p)
@@ -133,6 +137,16 @@
 		return EINVAL;					\
 	}
 
+#define LOCK_TEST_WITH_RETURN(dev, filp)				\
+do {									\
+	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ||		\
+	     dev->lock.filp != filp) {					\
+		DRM_ERROR("%s called without lock held\n",		\
+			   __FUNCTION__);				\
+		return EINVAL;						\
+	}								\
+} while (0)
+
 #define DRM_UDELAY( udelay )					\
 do {								\
 	struct timeval tv1, tv2;				\
@@ -368,8 +382,6 @@ find_first_zero_bit(volatile void *p, int max)
 
 /* drm_drv.h */
 extern d_ioctl_t	DRM(ioctl);
-extern d_ioctl_t	DRM(lock);
-extern d_ioctl_t	DRM(unlock);
 extern d_open_t		DRM(open);
 extern d_close_t	DRM(close);
 extern d_read_t		DRM(read);
@@ -381,81 +393,9 @@ extern int		DRM(open_helper)(dev_t kdev, int flags, int fmt,
 extern drm_file_t	*DRM(find_file_by_proc)(drm_device_t *dev, 
 					 DRM_STRUCTPROC *p);
 
-/* Misc. IOCTL support (drm_ioctl.h) */
-extern d_ioctl_t	DRM(irq_busid);
-extern d_ioctl_t	DRM(getunique);
-extern d_ioctl_t	DRM(setunique);
-extern d_ioctl_t	DRM(getmap);
-extern d_ioctl_t	DRM(getclient);
-extern d_ioctl_t	DRM(getstats);
-
-/* Context IOCTL support (drm_context.h) */
-extern d_ioctl_t	DRM(resctx);
-extern d_ioctl_t	DRM(addctx);
-extern d_ioctl_t	DRM(modctx);
-extern d_ioctl_t	DRM(getctx);
-extern d_ioctl_t	DRM(switchctx);
-extern d_ioctl_t	DRM(newctx);
-extern d_ioctl_t	DRM(rmctx);
-extern d_ioctl_t	DRM(setsareactx);
-extern d_ioctl_t	DRM(getsareactx);
-
-/* Drawable IOCTL support (drm_drawable.h) */
-extern d_ioctl_t	DRM(adddraw);
-extern d_ioctl_t	DRM(rmdraw);
-
-/* Authentication IOCTL support (drm_auth.h) */
-extern d_ioctl_t	DRM(getmagic);
-extern d_ioctl_t	DRM(authmagic);
-
-/* Locking IOCTL support (drm_lock.h) */
-extern d_ioctl_t	DRM(block);
-extern d_ioctl_t	DRM(unblock);
-extern d_ioctl_t	DRM(finish);
-
-/* Buffer management support (drm_bufs.h) */
-extern d_ioctl_t	DRM(addmap);
-extern d_ioctl_t	DRM(rmmap);
-#if __HAVE_DMA
-extern d_ioctl_t	DRM(addbufs_agp);
-extern d_ioctl_t	DRM(addbufs_pci);
-extern d_ioctl_t	DRM(addbufs_sg);
-extern d_ioctl_t	DRM(addbufs);
-extern d_ioctl_t	DRM(infobufs);
-extern d_ioctl_t	DRM(markbufs);
-extern d_ioctl_t	DRM(freebufs);
-extern d_ioctl_t	DRM(mapbufs);
-#endif
-
-/* Memory management support (drm_memory.h) */
-extern int		DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS;
-
-/* DMA support (drm_dma.h) */
-#if __HAVE_DMA
-extern d_ioctl_t	DRM(control);
-#endif
-#if __HAVE_VBL_IRQ
-extern d_ioctl_t	DRM(wait_vblank);
-#endif
-
-/* AGP/GART support (drm_agpsupport.h) */
-#if __REALLY_HAVE_AGP
-extern d_ioctl_t	DRM(agp_acquire);
-extern d_ioctl_t	DRM(agp_release);
-extern d_ioctl_t	DRM(agp_enable);
-extern d_ioctl_t	DRM(agp_info);
-extern d_ioctl_t	DRM(agp_alloc);
-extern d_ioctl_t	DRM(agp_free);
-extern d_ioctl_t	DRM(agp_unbind);
-extern d_ioctl_t	DRM(agp_bind);
-#endif
-
-/* Scatter Gather Support (drm_scatter.h) */
-#if __HAVE_SG
-extern d_ioctl_t	DRM(sg_alloc);
-extern d_ioctl_t	DRM(sg_free);
-#endif
-
-/* SysCtl Support (drm_sysctl.h) */
+/* sysctl support (drm_sysctl.h) */
 extern int		DRM(sysctl_init)(drm_device_t *dev);
 extern int		DRM(sysctl_cleanup)(drm_device_t *dev);
+
+/* Memory info sysctl (drm_memory.h) */
+extern int		DRM(mem_info) DRM_SYSCTL_HANDLER_ARGS;
diff --git a/bsd-core/drm_os_netbsd.h b/bsd-core/drm_os_netbsd.h
index 605b6a2c..fa158254 100644
--- a/bsd-core/drm_os_netbsd.h
+++ b/bsd-core/drm_os_netbsd.h
@@ -17,6 +17,7 @@
 #include <uvm/uvm.h>
 #include <sys/vnode.h>
 #include <sys/poll.h>
+#include <sys/lkm.h>
 /* For TIOCSPGRP/TIOCGPGRP */
 #include <sys/ttycom.h>
 
@@ -31,11 +32,9 @@
 #include <dev/pci/pcireg.h>
 #include <dev/pci/pcivar.h>
  
-#include "drmvar.h"
-
 #define __REALLY_HAVE_AGP	__HAVE_AGP
 
-#define __REALLY_HAVE_MTRR	0
+#define __REALLY_HAVE_MTRR	1
 #define __REALLY_HAVE_SG	0
 
 #if __REALLY_HAVE_AGP
@@ -43,8 +42,7 @@
 #include <sys/agpio.h>
 #endif
 
-#define device_t struct device *
-extern struct cfdriver DRM(_cd);
+#include <opt_drm.h>
 
 #if DRM_DEBUG
 #undef  DRM_DEBUG_CODE
@@ -52,12 +50,20 @@ extern struct cfdriver DRM(_cd);
 #endif
 #undef DRM_DEBUG
 
+#if DRM_LINUX
+#undef DRM_LINUX	/* FIXME: Linux compat has not been ported yet */
+#endif
+
+typedef drm_device_t *device_t;
+
+extern struct cfdriver DRM(cd);
+
 #define DRM_TIME_SLICE	      (hz/20)  /* Time slice for GLXContexts	  */
 
 #define DRM_DEV_MODE	(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP)
 #define DRM_DEV_UID	0
 #define DRM_DEV_GID	0
-#define CDEV_MAJOR	90
+#define CDEV_MAJOR	34
 
 #define DRM_CURPROC		curproc
 #define DRM_STRUCTPROC		struct proc
@@ -68,21 +74,34 @@ extern struct cfdriver DRM(_cd);
 #define DRM_SPINUNLOCK(u)	simple_unlock(u);
 #define DRM_CURRENTPID		curproc->p_pid
 
-#define DRM_IOCTL_ARGS		dev_t kdev, u_long cmd, caddr_t data, int flags, DRM_STRUCTPROC *p
+/* Currently our DRMFILE (filp) is a void * which is actually the pid
+ * of the current process.  It should be a per-open unique pointer, but
+ * code for that is not yet written */
+#define DRMFILE			void *
+#define DRM_IOCTL_ARGS		dev_t kdev, u_long cmd, caddr_t data, int flags, DRM_STRUCTPROC *p, DRMFILE filp
 #define DRM_LOCK		lockmgr(&dev->dev_lock, LK_EXCLUSIVE, NULL)
 #define DRM_UNLOCK 		lockmgr(&dev->dev_lock, LK_RELEASE, NULL)
 #define DRM_SUSER(p)		suser(p->p_ucred, &p->p_acflag)
 #define DRM_TASKQUEUE_ARGS	void *dev, int pending
-#define DRM_IRQ_ARGS		void *device
-#define DRM_DEVICE		drm_device_t *dev = device_lookup(&DRM(_cd), minor(kdev))
+#define DRM_IRQ_ARGS		void *arg
+#define DRM_DEVICE		drm_device_t *dev = device_lookup(&DRM(cd), minor(kdev))
+/* XXX Not sure if this is the 'right' version.. */
+#if __NetBSD_Version__ >= 106140000
+MALLOC_DECLARE(DRM(M_DRM));
+#else
+/* XXX Make sure this works */
+extern const int DRM(M_DRM) = M_DEVBUF;
+#endif /* __NetBSD_Version__ */
 #define DRM_MALLOC(size)	malloc( size, DRM(M_DRM), M_NOWAIT )
-#define DRM_FREE(pt)		free( pt, DRM(M_DRM) )
+#define DRM_FREE(pt,size)		free( pt, DRM(M_DRM) )
 #define DRM_VTOPHYS(addr)	vtophys(addr)
-#define DRM_READ8(addr)	*((volatile char *)(addr))
-#define DRM_READ32(addr)	*((volatile long *)(addr))
-#define DRM_WRITE8(addr, val)	*((volatile char *)(addr)) = (val)
-#define DRM_WRITE32(addr, val)	*((volatile long *)(addr)) = (val)
-#define DRM_AGP_FIND_DEVICE()
+
+#define DRM_READ8(map, offset)		bus_space_read_1(  (map)->iot, (map)->ioh, (offset) )
+#define DRM_READ32(map, offset)		bus_space_read_4(  (map)->iot, (map)->ioh, (offset) )
+#define DRM_WRITE8(map, offset, val)	bus_space_write_1( (map)->iot, (map)->ioh, (offset), (val) )
+#define DRM_WRITE32(map, offset, val)	bus_space_write_4( (map)->iot, (map)->ioh, (offset), (val) )
+
+#define DRM_AGP_FIND_DEVICE()	agp_find_device(0)
 
 #define DRM_PRIV					\
 	drm_file_t	*priv	= (drm_file_t *) DRM(find_file_by_proc)(dev, p); \
@@ -91,6 +110,16 @@ extern struct cfdriver DRM(_cd);
 		return EINVAL;					\
 	}
 
+#define LOCK_TEST_WITH_RETURN(dev, filp)				\
+do {									\
+	if (!_DRM_LOCK_IS_HELD(dev->lock.hw_lock->lock) ||		\
+	     dev->lock.filp != filp) {					\
+		DRM_ERROR("%s called without lock held\n",		\
+			   __FUNCTION__);				\
+		return EINVAL;						\
+	}								\
+} while (0)
+
 #define DRM_UDELAY( udelay )					\
 do {								\
 	struct timeval tv1, tv2;				\
@@ -105,7 +134,7 @@ do {								\
 do {								\
 	drm_map_list_entry_t *listentry;			\
 	TAILQ_FOREACH(listentry, dev->maplist, link) {		\
-		drm_map_t *map = listentry->map;		\
+		drm_local_map_t *map = listentry->map;		\
 		if (map->type == _DRM_SHM &&			\
 			map->flags & _DRM_CONTAINS_LOCK) {	\
 			dev_priv->sarea = map;			\
@@ -114,7 +143,15 @@ do {								\
 	}							\
 } while (0)
 
-#define return DRM_ERR(v)	return v;
+#define DRM_HZ hz
+
+#define DRM_WAIT_ON( ret, queue, timeout, condition )		\
+while (!condition) {						\
+	ret = tsleep( (void *)&(queue), PZERO | PCATCH, "drmwtq", (timeout) ); \
+	if ( ret )						\
+		return ret;					\
+}
+
 #define DRM_ERR(v)		v
 
 #define DRM_COPY_TO_USER_IOCTL(arg1, arg2, arg3) \
@@ -125,21 +162,25 @@ do {								\
 	copyout(arg2, arg1, arg3)
 #define DRM_COPY_FROM_USER(arg1, arg2, arg3) \
 	copyin(arg2, arg1, arg3)
+/* Macros for userspace access with checking readability once */
+/* FIXME: can't find equivalent functionality for nocheck yet.
+ * It'll be slower than linux, but should be correct.
+ */
+#define DRM_VERIFYAREA_READ( uaddr, size )		\
+	(!uvm_useracc((caddr_t)uaddr, size, VM_PROT_READ))
+#define DRM_COPY_FROM_USER_UNCHECKED(arg1, arg2, arg3) 	\
+	copyin(arg2, arg1, arg3)
+#define DRM_GET_USER_UNCHECKED(val, uaddr)			\
+	((val) = fuword(uaddr), 0)
 
-#define DRM_READMEMORYBARRIER \
-{												\
-   	int xchangeDummy;									\
-	DRM_DEBUG("%s\n", __FUNCTION__);							\
-   	__asm__ volatile(" push %%eax ; xchg %%eax, %0 ; pop %%eax" : : "m" (xchangeDummy));	\
-   	__asm__ volatile(" push %%eax ; push %%ebx ; push %%ecx ; push %%edx ;"			\
-			 " movl $0,%%eax ; cpuid ; pop %%edx ; pop %%ecx ; pop %%ebx ;"		\
-			 " pop %%eax" : /* no outputs */ :  /* no inputs */ );			\
-} while (0);
-
-#define DRM_WRITEMEMORYBARRIER DRM_READMEMORYBARRIER
+#define DRM_WRITEMEMORYBARRIER( map )					\
+	bus_space_barrier((map)->iot, (map)->ioh, 0, (map)->size, 0);
+#define DRM_READMEMORYBARRIER( map )					\
+	bus_space_barrier((map)->iot, (map)->ioh, 0, (map)->size, BUS_SPACE_BARRIER_READ);
 
-#define DRM_WAKEUP(w) wakeup(w)
+#define DRM_WAKEUP(w) wakeup((void *)w)
 #define DRM_WAKEUP_INT(w) wakeup(w)
+#define DRM_INIT_WAITQUEUE( queue )  do {} while (0)
 
 #define PAGE_ALIGN(addr) (((addr)+PAGE_SIZE-1)&PAGE_MASK)
 
@@ -151,30 +192,46 @@ typedef struct drm_chipinfo
 	char *name;
 } drm_chipinfo_t;
 
+#define cpu_to_le32(x) (x)	/* FIXME */
+
 typedef u_int32_t dma_addr_t;
-typedef volatile u_int32_t atomic_t;
+typedef volatile long atomic_t;
 typedef u_int32_t cycles_t;
-typedef u_int32_t spinlock_t;
 typedef u_int32_t u32;
 typedef u_int16_t u16;
 typedef u_int8_t u8;
 typedef dev_type_ioctl(d_ioctl_t);
 typedef vaddr_t vm_offset_t;
 
+/* FIXME */
 #define atomic_set(p, v)	(*(p) = (v))
 #define atomic_read(p)		(*(p))
-#define atomic_inc(p)		atomic_add_int(p, 1)
-#define atomic_dec(p)		atomic_subtract_int(p, 1)
-#define atomic_add(n, p)	atomic_add_int(p, n)
-#define atomic_sub(n, p)	atomic_subtract_int(p, n)
+#define atomic_inc(p)		(*(p) += 1)
+#define atomic_dec(p)		(*(p) -= 1)
+#define atomic_add(n, p)	(*(p) += (n))
+#define atomic_sub(n, p)	(*(p) -= (n))
 
-/* FIXME: Is NetBSD's kernel non-reentrant? */
+/* FIXME */
 #define atomic_add_int(p, v)      *(p) += v
 #define atomic_subtract_int(p, v) *(p) -= v
 #define atomic_set_int(p, bits)   *(p) |= (bits)
 #define atomic_clear_int(p, bits) *(p) &= ~(bits)
 
 /* Fake this */
+
+static __inline int
+atomic_cmpset_int(__volatile__ int *dst, int old, int new)
+{
+	int s = splhigh();
+	if (*dst==old) {
+		*dst = new;
+		splx(s);
+		return 1;
+	}
+	splx(s);
+	return 0;
+}
+
 static __inline atomic_t
 test_and_set_bit(int b, atomic_t *p)
 {
@@ -224,20 +281,6 @@ find_first_zero_bit(atomic_t *p, int max)
 #define spldrm()		spltty()
 #define jiffies			hardclock_ticks
 
-#define __drm_dummy_lock(lock) (*(__volatile__ unsigned int *)lock)
-#define _DRM_CAS(lock,old,new,__ret)				       \
-	do {							       \
-		int __dummy;	/* Can't mark eax as clobbered */      \
-		__asm__ __volatile__(				       \
-			"lock ; cmpxchg %4,%1\n\t"		       \
-			"setnz %0"				       \
-			: "=d" (__ret),				       \
-			  "=m" (__drm_dummy_lock(lock)),	       \
-			  "=a" (__dummy)			       \
-			: "2" (old),				       \
-			  "r" (new));				       \
-	} while (0)
-
 /* Redefinitions to make templating easy */
 #define wait_queue_head_t	atomic_t
 #define agp_memory		void
@@ -258,7 +301,7 @@ do { \
 #define DRM_DEBUG(fmt, arg...)						  \
 	do {								  \
 		if (DRM(flags) & DRM_FLAG_DEBUG)			  \
-			printf("[" DRM_NAME ":%s] " fmt , __FUNCTION__,## arg); \
+			printf("[" DRM_NAME ":%s] " fmt , __FUNCTION__ ,## arg); \
 	} while (0)
 #else
 #define DRM_DEBUG(fmt, arg...)		 do { } while (0)
@@ -292,8 +335,6 @@ do { \
 
 /* drm_drv.h */
 extern dev_type_ioctl(DRM(ioctl));
-extern dev_type_ioctl(DRM(lock));
-extern dev_type_ioctl(DRM(unlock));
 extern dev_type_open(DRM(open));
 extern dev_type_close(DRM(close));
 extern dev_type_read(DRM(read));
@@ -305,75 +346,5 @@ extern int		DRM(open_helper)(dev_t kdev, int flags, int fmt,
 extern drm_file_t	*DRM(find_file_by_proc)(drm_device_t *dev, 
 					 DRM_STRUCTPROC *p);
 
-/* Misc. IOCTL support (drm_ioctl.h) */
-extern dev_type_ioctl(DRM(irq_busid));
-extern dev_type_ioctl(DRM(getunique));
-extern dev_type_ioctl(DRM(setunique));
-extern dev_type_ioctl(DRM(getmap));
-extern dev_type_ioctl(DRM(getclient));
-extern dev_type_ioctl(DRM(getstats));
-
-/* Context IOCTL support (drm_context.h) */
-extern dev_type_ioctl(DRM(resctx));
-extern dev_type_ioctl(DRM(addctx));
-extern dev_type_ioctl(DRM(modctx));
-extern dev_type_ioctl(DRM(getctx));
-extern dev_type_ioctl(DRM(switchctx));
-extern dev_type_ioctl(DRM(newctx));
-extern dev_type_ioctl(DRM(rmctx));
-extern dev_type_ioctl(DRM(setsareactx));
-extern dev_type_ioctl(DRM(getsareactx));
-
-/* Drawable IOCTL support (drm_drawable.h) */
-extern dev_type_ioctl(DRM(adddraw));
-extern dev_type_ioctl(DRM(rmdraw));
-
-/* Authentication IOCTL support (drm_auth.h) */
-extern dev_type_ioctl(DRM(getmagic));
-extern dev_type_ioctl(DRM(authmagic));
-
-/* Locking IOCTL support (drm_lock.h) */
-extern dev_type_ioctl(DRM(block));
-extern dev_type_ioctl(DRM(unblock));
-extern dev_type_ioctl(DRM(finish));
-
-/* Buffer management support (drm_bufs.h) */
-extern dev_type_ioctl(DRM(addmap));
-extern dev_type_ioctl(DRM(rmmap));
-#if __HAVE_DMA
-extern dev_type_ioctl(DRM(addbufs_agp));
-extern dev_type_ioctl(DRM(addbufs_pci));
-extern dev_type_ioctl(DRM(addbufs_sg));
-extern dev_type_ioctl(DRM(addbufs));
-extern dev_type_ioctl(DRM(infobufs));
-extern dev_type_ioctl(DRM(markbufs));
-extern dev_type_ioctl(DRM(freebufs));
-extern dev_type_ioctl(DRM(mapbufs));
-#endif
-
-/* DMA support (drm_dma.h) */
-#if __HAVE_DMA
-extern dev_type_ioctl(DRM(control));
-#endif
-
-/* AGP/GART support (drm_agpsupport.h) */
-#if __REALLY_HAVE_AGP
-extern dev_type_ioctl(DRM(agp_acquire));
-extern dev_type_ioctl(DRM(agp_release));
-extern dev_type_ioctl(DRM(agp_enable));
-extern dev_type_ioctl(DRM(agp_info));
-extern dev_type_ioctl(DRM(agp_alloc));
-extern dev_type_ioctl(DRM(agp_free));
-extern dev_type_ioctl(DRM(agp_unbind));
-extern dev_type_ioctl(DRM(agp_bind));
-#endif
-
-/* Scatter Gather Support (drm_scatter.h) */
-#if __HAVE_SG
-extern dev_type_ioctl(DRM(sg_alloc));
-extern dev_type_ioctl(DRM(sg_free));
-#endif
-
-/* SysCtl Support (drm_sysctl.h) */
 extern int		DRM(sysctl_init)(drm_device_t *dev);
 extern int		DRM(sysctl_cleanup)(drm_device_t *dev);