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/* 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 || u.unique_len > 1024) return -EINVAL;
dev->unique_len = u.unique_len;
dev->unique = DRM(alloc)(u.unique_len + 1, DRM_MEM_DRIVER);
if(!dev->unique) return -ENOMEM;
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);
if(!dev->devname) {
DRM(free)(dev->devname, sizeof(*dev->devname), DRM_MEM_DRIVER);
return -ENOMEM;
}
sprintf(dev->devname, "%s@%s", dev->name, dev->unique);
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->pdev = pci_dev;
#ifdef __alpha__
dev->hose = pci_dev->sysdata;
#endif
}
} while(0);
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;
}
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