Merge mga-1-0-0-branch into trunk.

1 files changed, 192 insertions, 0 deletions

diff --git a/linux-core/drm_ioctl.c b/linux-core/drm_ioctl.c
new file mode 100644
index 00000000..ce6ac2e6
--- /dev/null
+++ b/linux-core/drm_ioctl.c
@@ -0,0 +1,192 @@
+/* drm_ioctl.h -- IOCTL processing for DRM -*- linux-c -*-
+ * Created: Fri Jan  8 09:01:26 1999 by faith@valinux.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors:
+ *    Rickard E. (Rik) Faith <faith@valinux.com>
+ *    Gareth Hughes <gareth@valinux.com>
+ */
+
+#define __NO_VERSION__
+#include "drmP.h"
+
+int DRM(irq_busid)(struct inode *inode, struct file *filp,
+		   unsigned int cmd, unsigned long arg)
+{
+	drm_irq_busid_t p;
+	struct pci_dev	*dev;
+
+	if (copy_from_user(&p, (drm_irq_busid_t *)arg, sizeof(p)))
+		return -EFAULT;
+	dev = pci_find_slot(p.busnum, PCI_DEVFN(p.devnum, p.funcnum));
+	if (dev) p.irq = dev->irq;
+	else	 p.irq = 0;
+	DRM_DEBUG("%d:%d:%d => IRQ %d\n",
+		  p.busnum, p.devnum, p.funcnum, p.irq);
+	if (copy_to_user((drm_irq_busid_t *)arg, &p, sizeof(p)))
+		return -EFAULT;
+	return 0;
+}
+
+int DRM(getunique)(struct inode *inode, struct file *filp,
+		   unsigned int cmd, unsigned long arg)
+{
+	drm_file_t	 *priv	 = filp->private_data;
+	drm_device_t	 *dev	 = priv->dev;
+	drm_unique_t	 u;
+
+	if (copy_from_user(&u, (drm_unique_t *)arg, sizeof(u)))
+		return -EFAULT;
+	if (u.unique_len >= dev->unique_len) {
+		if (copy_to_user(u.unique, dev->unique, dev->unique_len))
+			return -EFAULT;
+	}
+	u.unique_len = dev->unique_len;
+	if (copy_to_user((drm_unique_t *)arg, &u, sizeof(u)))
+		return -EFAULT;
+	return 0;
+}
+
+int DRM(setunique)(struct inode *inode, struct file *filp,
+		   unsigned int cmd, unsigned long arg)
+{
+	drm_file_t	 *priv	 = filp->private_data;
+	drm_device_t	 *dev	 = priv->dev;
+	drm_unique_t	 u;
+
+	if (dev->unique_len || dev->unique)
+		return -EBUSY;
+
+	if (copy_from_user(&u, (drm_unique_t *)arg, sizeof(u)))
+		return -EFAULT;
+
+	if (!u.unique_len)
+		return -EINVAL;
+
+	dev->unique_len = u.unique_len;
+	dev->unique	= DRM(alloc)(u.unique_len + 1, DRM_MEM_DRIVER);
+	if (copy_from_user(dev->unique, u.unique, dev->unique_len))
+		return -EFAULT;
+	dev->unique[dev->unique_len] = '\0';
+
+	dev->devname = DRM(alloc)(strlen(dev->name) + strlen(dev->unique) + 2,
+				  DRM_MEM_DRIVER);
+	sprintf(dev->devname, "%s@%s", dev->name, dev->unique);
+
+	return 0;
+}
+
+
+int DRM(getmap)( struct inode *inode, struct file *filp,
+		 unsigned int cmd, unsigned long arg )
+{
+	drm_file_t   *priv = filp->private_data;
+	drm_device_t *dev  = priv->dev;
+	drm_map_t    map;
+	int          idx;
+
+	if (copy_from_user(&map, (drm_map_t *)arg, sizeof(map)))
+		return -EFAULT;
+	idx = map.offset;
+	down(&dev->struct_sem);
+	if (idx < 0 || idx >= dev->map_count) {
+		up(&dev->struct_sem);
+		return -EINVAL;
+	}
+	map.offset = dev->maplist[idx]->offset;
+	map.size   = dev->maplist[idx]->size;
+	map.type   = dev->maplist[idx]->type;
+	map.flags  = dev->maplist[idx]->flags;
+	map.handle = dev->maplist[idx]->handle;
+	map.mtrr   = dev->maplist[idx]->mtrr;
+	up(&dev->struct_sem);
+
+	if (copy_to_user((drm_map_t *)arg, &map, sizeof(map))) return -EFAULT;
+	return 0;
+}
+
+int DRM(getclient)( struct inode *inode, struct file *filp,
+		    unsigned int cmd, unsigned long arg )
+{
+	drm_file_t   *priv = filp->private_data;
+	drm_device_t *dev  = priv->dev;
+	drm_client_t client;
+	drm_file_t   *pt;
+	int          idx;
+	int          i;
+
+	if (copy_from_user(&client, (drm_client_t *)arg, sizeof(client)))
+		return -EFAULT;
+	idx = client.idx;
+	down(&dev->struct_sem);
+	for (i = 0, pt = dev->file_first; i < idx && pt; i++, pt = pt->next)
+		;
+
+	if (!pt) {
+		up(&dev->struct_sem);
+		return -EINVAL;
+	}
+	client.auth  = pt->authenticated;
+	client.pid   = pt->pid;
+	client.uid   = pt->uid;
+	client.magic = pt->magic;
+	client.iocs  = pt->ioctl_count;
+	up(&dev->struct_sem);
+
+	if (copy_to_user((drm_client_t *)arg, &client, sizeof(client)))
+		return -EFAULT;
+	return 0;
+}
+
+int DRM(getstats)( struct inode *inode, struct file *filp,
+		   unsigned int cmd, unsigned long arg )
+{
+	drm_file_t   *priv = filp->private_data;
+	drm_device_t *dev  = priv->dev;
+	drm_stats_t  stats;
+	int          i;
+
+	memset(&stats, 0, sizeof(stats));
+	
+	down(&dev->struct_sem);
+
+	for (i = 0; i < dev->counters; i++) {
+		if (dev->types[i] == _DRM_STAT_LOCK)
+			stats.data[i].value
+				= (dev->lock.hw_lock
+				   ? dev->lock.hw_lock->lock : 0);
+		else 
+			stats.data[i].value = atomic_read(&dev->counts[i]);
+		stats.data[i].type  = dev->types[i];
+	}
+	
+	stats.count = dev->counters;
+
+	up(&dev->struct_sem);
+
+	if (copy_to_user((drm_stats_t *)arg, &stats, sizeof(stats)))
+		return -EFAULT;
+	return 0;
+}