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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>
*/
#include "drmP.h"
int DRM(irq_busid)( DRM_IOCTL_ARGS )
{
#ifdef __FreeBSD__
drm_irq_busid_t id;
devclass_t pci;
device_t bus, dev;
device_t *kids;
int error, i, num_kids;
DRM_COPY_FROM_USER_IOCTL( id, (drm_irq_busid_t *)data, sizeof(id) );
pci = devclass_find("pci");
if (!pci)
return ENOENT;
bus = devclass_get_device(pci, id.busnum);
if (!bus)
return ENOENT;
error = device_get_children(bus, &kids, &num_kids);
if (error)
return error;
dev = 0;
for (i = 0; i < num_kids; i++) {
dev = kids[i];
if (pci_get_slot(dev) == id.devnum
&& pci_get_function(dev) == id.funcnum)
break;
}
free(kids, M_TEMP);
if (i != num_kids)
id.irq = pci_get_irq(dev);
else
id.irq = 0;
DRM_DEBUG("%d:%d:%d => IRQ %d\n",
id.busnum, id.devnum, id.funcnum, id.irq);
DRM_COPY_TO_USER_IOCTL( (drm_irq_busid_t *)data, id, sizeof(id) );
return 0;
#else
/* don't support interrupt-driven drivers on Net yet */
return ENOENT;
#endif
}
int DRM(getunique)( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_unique_t u;
DRM_COPY_FROM_USER_IOCTL( u, (drm_unique_t *)data, sizeof(u) );
if (u.unique_len >= dev->unique_len) {
if (DRM_COPY_TO_USER(u.unique, dev->unique, dev->unique_len))
return DRM_ERR(EFAULT);
}
u.unique_len = dev->unique_len;
DRM_COPY_TO_USER_IOCTL( (drm_unique_t *)data, u, sizeof(u) );
return 0;
}
int DRM(setunique)( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_unique_t u;
if (dev->unique_len || dev->unique)
return DRM_ERR(EBUSY);
DRM_COPY_FROM_USER_IOCTL( u, (drm_unique_t *)data, sizeof(u) );
if (!u.unique_len || u.unique_len > 1024)
return DRM_ERR(EINVAL);
dev->unique_len = u.unique_len;
dev->unique = DRM(alloc)(u.unique_len + 1, DRM_MEM_DRIVER);
if(!dev->unique) return DRM_ERR(ENOMEM);
if (DRM_COPY_FROM_USER(dev->unique, u.unique, dev->unique_len))
return DRM_ERR(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 DRM_ERR(ENOMEM);
}
sprintf(dev->devname, "%s@%s", dev->name, dev->unique);
return 0;
}
int DRM(getmap)( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_map_t map;
drm_map_t *mapinlist;
drm_map_list_entry_t *list;
int idx;
int i = 0;
DRM_COPY_FROM_USER_IOCTL( map, (drm_map_t *)data, sizeof(map) );
idx = map.offset;
DRM_LOCK;
if (idx < 0 || idx >= dev->map_count) {
DRM_UNLOCK;
return DRM_ERR(EINVAL);
}
TAILQ_FOREACH(list, dev->maplist, link) {
mapinlist = list->map;
if (i==idx) {
map.offset = mapinlist->offset;
map.size = mapinlist->size;
map.type = mapinlist->type;
map.flags = mapinlist->flags;
map.handle = mapinlist->handle;
map.mtrr = mapinlist->mtrr;
break;
}
i++;
}
DRM_UNLOCK;
if (!list)
return EINVAL;
DRM_COPY_TO_USER_IOCTL( (drm_map_t *)data, map, sizeof(map) );
return 0;
}
int DRM(getclient)( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_client_t client;
drm_file_t *pt;
int idx;
int i = 0;
DRM_COPY_FROM_USER_IOCTL( client, (drm_client_t *)data, sizeof(client) );
idx = client.idx;
DRM_LOCK;
TAILQ_FOREACH(pt, &dev->files, link) {
if (i==idx)
{
client.auth = pt->authenticated;
client.pid = pt->pid;
client.uid = pt->uid;
client.magic = pt->magic;
client.iocs = pt->ioctl_count;
DRM_UNLOCK;
*(drm_client_t *)data = client;
return 0;
}
i++;
}
DRM_UNLOCK;
DRM_COPY_TO_USER_IOCTL( (drm_client_t *)data, client, sizeof(client) );
return 0;
}
int DRM(getstats)( DRM_IOCTL_ARGS )
{
DRM_DEVICE;
drm_stats_t stats;
int i;
memset(&stats, 0, sizeof(stats));
DRM_LOCK;
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;
DRM_UNLOCK;
DRM_COPY_TO_USER_IOCTL( (drm_stats_t *)data, stats, sizeof(stats) );
return 0;
}
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