237 lines
6.5 KiB
C
237 lines
6.5 KiB
C
/* drm_ioctl.h -- IOCTL processing for DRM -*- linux-c -*-
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* Created: Fri Jan 8 09:01:26 1999 by faith@valinux.com
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*
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* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
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* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors:
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* Rickard E. (Rik) Faith <faith@valinux.com>
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* Gareth Hughes <gareth@valinux.com>
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*/
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#define __NO_VERSION__
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#include "drmP.h"
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int DRM(irq_busid)(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg)
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{
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drm_irq_busid_t p;
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struct pci_dev *dev;
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if (copy_from_user(&p, (drm_irq_busid_t *)arg, sizeof(p)))
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return -EFAULT;
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dev = pci_find_slot(p.busnum, PCI_DEVFN(p.devnum, p.funcnum));
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if (dev) p.irq = dev->irq;
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else p.irq = 0;
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DRM_DEBUG("%d:%d:%d => IRQ %d\n",
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p.busnum, p.devnum, p.funcnum, p.irq);
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if (copy_to_user((drm_irq_busid_t *)arg, &p, sizeof(p)))
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return -EFAULT;
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return 0;
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}
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int DRM(getunique)(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg)
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{
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drm_file_t *priv = filp->private_data;
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drm_device_t *dev = priv->dev;
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drm_unique_t u;
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if (copy_from_user(&u, (drm_unique_t *)arg, sizeof(u)))
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return -EFAULT;
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if (u.unique_len >= dev->unique_len) {
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if (copy_to_user(u.unique, dev->unique, dev->unique_len))
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return -EFAULT;
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}
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u.unique_len = dev->unique_len;
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if (copy_to_user((drm_unique_t *)arg, &u, sizeof(u)))
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return -EFAULT;
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return 0;
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}
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int DRM(setunique)(struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg)
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{
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drm_file_t *priv = filp->private_data;
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drm_device_t *dev = priv->dev;
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drm_unique_t u;
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if (dev->unique_len || dev->unique) return -EBUSY;
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if (copy_from_user(&u, (drm_unique_t *)arg, sizeof(u))) return -EFAULT;
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if (!u.unique_len || u.unique_len > 1024) return -EINVAL;
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dev->unique_len = u.unique_len;
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dev->unique = DRM(alloc)(u.unique_len + 1, DRM_MEM_DRIVER);
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if(!dev->unique) return -ENOMEM;
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if (copy_from_user(dev->unique, u.unique, dev->unique_len))
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return -EFAULT;
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dev->unique[dev->unique_len] = '\0';
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dev->devname = DRM(alloc)(strlen(dev->name) + strlen(dev->unique) + 2,
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DRM_MEM_DRIVER);
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if(!dev->devname) {
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DRM(free)(dev->devname, sizeof(*dev->devname), DRM_MEM_DRIVER);
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return -ENOMEM;
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}
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sprintf(dev->devname, "%s@%s", dev->name, dev->unique);
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#ifdef __alpha__
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do {
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struct pci_dev *pci_dev;
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int b, d, f;
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char *p;
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for(p = dev->unique; p && *p && *p != ':'; p++);
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if (!p || !*p) break;
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b = (int)simple_strtoul(p+1, &p, 10);
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if (*p != ':') break;
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d = (int)simple_strtoul(p+1, &p, 10);
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if (*p != ':') break;
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f = (int)simple_strtoul(p+1, &p, 10);
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if (*p) break;
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pci_dev = pci_find_slot(b, PCI_DEVFN(d,f));
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if (pci_dev) {
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dev->pdev = pci_dev;
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dev->hose = pci_dev->sysdata;
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}
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} while(0);
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#endif
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return 0;
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}
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int DRM(getmap)( struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg )
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{
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drm_file_t *priv = filp->private_data;
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drm_device_t *dev = priv->dev;
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drm_map_t map;
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drm_map_list_t *r_list = NULL;
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struct list_head *list;
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int idx;
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int i;
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if (copy_from_user(&map, (drm_map_t *)arg, sizeof(map)))
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return -EFAULT;
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idx = map.offset;
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down(&dev->struct_sem);
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if (idx < 0 || idx >= dev->map_count) {
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up(&dev->struct_sem);
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return -EINVAL;
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}
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i = 0;
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list_for_each(list, &dev->maplist->head) {
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if(i == idx) {
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r_list = (drm_map_list_t *)list;
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break;
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}
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i++;
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}
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if(!r_list || !r_list->map) {
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up(&dev->struct_sem);
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return -EINVAL;
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}
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map.offset = r_list->map->offset;
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map.size = r_list->map->size;
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map.type = r_list->map->type;
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map.flags = r_list->map->flags;
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map.handle = r_list->map->handle;
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map.mtrr = r_list->map->mtrr;
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up(&dev->struct_sem);
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if (copy_to_user((drm_map_t *)arg, &map, sizeof(map))) return -EFAULT;
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return 0;
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}
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int DRM(getclient)( struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg )
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{
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drm_file_t *priv = filp->private_data;
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drm_device_t *dev = priv->dev;
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drm_client_t client;
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drm_file_t *pt;
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int idx;
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int i;
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if (copy_from_user(&client, (drm_client_t *)arg, sizeof(client)))
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return -EFAULT;
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idx = client.idx;
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down(&dev->struct_sem);
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for (i = 0, pt = dev->file_first; i < idx && pt; i++, pt = pt->next)
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;
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if (!pt) {
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up(&dev->struct_sem);
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return -EINVAL;
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}
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client.auth = pt->authenticated;
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client.pid = pt->pid;
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client.uid = pt->uid;
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client.magic = pt->magic;
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client.iocs = pt->ioctl_count;
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up(&dev->struct_sem);
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if (copy_to_user((drm_client_t *)arg, &client, sizeof(client)))
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return -EFAULT;
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return 0;
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}
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int DRM(getstats)( struct inode *inode, struct file *filp,
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unsigned int cmd, unsigned long arg )
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{
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drm_file_t *priv = filp->private_data;
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drm_device_t *dev = priv->dev;
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drm_stats_t stats;
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int i;
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memset(&stats, 0, sizeof(stats));
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down(&dev->struct_sem);
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for (i = 0; i < dev->counters; i++) {
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if (dev->types[i] == _DRM_STAT_LOCK)
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stats.data[i].value
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= (dev->lock.hw_lock
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? dev->lock.hw_lock->lock : 0);
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else
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stats.data[i].value = atomic_read(&dev->counts[i]);
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stats.data[i].type = dev->types[i];
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}
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stats.count = dev->counters;
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up(&dev->struct_sem);
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if (copy_to_user((drm_stats_t *)arg, &stats, sizeof(stats)))
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return -EFAULT;
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return 0;
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}
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