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/* ioctl.c -- IOCTL processing for DRM -*- c -*-
* Created: Fri Jan 8 09:01:26 1999 by faith@precisioninsight.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
* PRECISION INSIGHT 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>
*
*/
#define __NO_VERSION__
#include "drmP.h"
#include <sys/bus.h>
#include <pci/pcivar.h>
int
drm_irq_busid(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
{
drm_irq_busid_t id;
devclass_t pci;
device_t bus, dev;
device_t *kids;
int error, i, num_kids;
id = *(drm_irq_busid_t *) data;
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_irq_busid_t *) data = id;
return 0;
}
int
drm_getunique(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
{
drm_device_t *dev = kdev->si_drv1;
drm_unique_t u;
int error;
u = *(drm_unique_t *) data;
if (u.unique_len >= dev->unique_len) {
error = copyout(dev->unique, u.unique, dev->unique_len);
if (error)
return error;
}
u.unique_len = dev->unique_len;
*(drm_unique_t *) data = u;
return 0;
}
int
drm_setunique(dev_t kdev, u_long cmd, caddr_t data, int flags, struct proc *p)
{
drm_device_t *dev = kdev->si_drv1;
drm_unique_t u;
int error;
if (dev->unique_len || dev->unique) return EBUSY;
u = *(drm_unique_t *) data;
dev->unique_len = u.unique_len;
dev->unique = drm_alloc(u.unique_len + 1, DRM_MEM_DRIVER);
error = copyin(u.unique, dev->unique, dev->unique_len);
if (error)
return error;
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;
}
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