/* 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 * Gareth Hughes */ #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; /* BEGIN IMGTEC MODIFICATION */ /* if (dev->unique_len || dev->unique) return -EBUSY; */ /* END IMGTEC MODIFICATION */ if (copy_from_user(&u, (drm_unique_t *)arg, sizeof(u))) return -EFAULT; if (!u.unique_len) return -EINVAL; /* BEGIN IMGTEC MODIFICATION */ /* want to allow soft restart */ if (dev->unique_len && (dev->unique_len == u.unique_len)) { char *ustr[u.unique_len]; if (copy_from_user(ustr, u.unique, dev->unique_len)) return -EFAULT; if (!memcmp(dev->unique, ustr, dev->unique_len)) return 0; } if (dev->unique_len || dev->unique) return -EBUSY; /* END IMGTEC MODIFICATION */ 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); #ifdef __alpha__ do { struct pci_dev *pci_dev; int b, d, f; char *p; for(p = dev->unique; p && *p && *p != ':'; p++); if (!p || !*p) break; b = (int)simple_strtoul(p+1, &p, 10); if (*p != ':') break; d = (int)simple_strtoul(p+1, &p, 10); if (*p != ':') break; f = (int)simple_strtoul(p+1, &p, 10); if (*p) break; pci_dev = pci_find_slot(b, PCI_DEVFN(d,f)); if (pci_dev) dev->hose = pci_dev->sysdata; } while(0); #endif 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; drm_map_list_t *r_list = NULL; struct list_head *list; int idx; int i; 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; } i = 0; list_for_each(list, &dev->maplist->head) { if(i == idx) { r_list = (drm_map_list_t *)list; break; } i++; } if(!r_list || !r_list->map) { up(&dev->struct_sem); return -EINVAL; } map.offset = r_list->map->offset; map.size = r_list->map->size; map.type = r_list->map->type; map.flags = r_list->map->flags; map.handle = r_list->map->handle; map.mtrr = r_list->map->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; }