324 lines
7.5 KiB
C
324 lines
7.5 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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* $FreeBSD$
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*/
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#define __NO_VERSION__
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#include "dev/drm/drmP.h"
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#ifdef __FreeBSD__
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#include <sys/bus.h>
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#include <pci/pcivar.h>
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#endif /* __FreeBSD__ */
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int DRM(irq_busid)( DRM_OS_IOCTL )
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{
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drm_irq_busid_t id;
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#ifdef __linux__
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struct pci_dev *dev;
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#endif /* __linux__ */
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#ifdef __FreeBSD__
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devclass_t pci;
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device_t bus, dev;
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device_t *kids;
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int error, i, num_kids;
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#endif /* __FreeBSD__ */
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DRM_OS_KRNFROMUSR( id, (drm_irq_busid_t *)data, sizeof(id) );
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#ifdef __linux__
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dev = pci_find_slot(id.busnum, PCI_DEVFN(id.devnum, id.funcnum));
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if (dev) id.irq = dev->irq;
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else id.irq = 0;
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#endif /* __linux__ */
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#ifdef __FreeBSD__
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pci = devclass_find("pci");
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if (!pci)
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return ENOENT;
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bus = devclass_get_device(pci, id.busnum);
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if (!bus)
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return ENOENT;
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error = device_get_children(bus, &kids, &num_kids);
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if (error)
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return error;
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dev = 0;
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for (i = 0; i < num_kids; i++) {
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dev = kids[i];
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if (pci_get_slot(dev) == id.devnum
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&& pci_get_function(dev) == id.funcnum)
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break;
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}
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free(kids, M_TEMP);
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if (i != num_kids)
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id.irq = pci_get_irq(dev);
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else
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id.irq = 0;
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#endif /* __FreeBSD__ */
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DRM_DEBUG("%d:%d:%d => IRQ %d\n",
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id.busnum, id.devnum, id.funcnum, id.irq);
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DRM_OS_KRNTOUSR( (drm_irq_busid_t *)data, id, sizeof(id) );
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return 0;
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}
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int DRM(getunique)( DRM_OS_IOCTL )
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{
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DRM_OS_DEVICE;
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drm_unique_t u;
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DRM_OS_KRNFROMUSR( u, (drm_unique_t *)data, sizeof(u) );
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if (u.unique_len >= dev->unique_len) {
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if (DRM_OS_COPYTOUSR(u.unique, dev->unique, dev->unique_len))
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return DRM_OS_ERR(EFAULT);
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}
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u.unique_len = dev->unique_len;
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DRM_OS_KRNTOUSR( (drm_unique_t *)data, u, sizeof(u) );
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return 0;
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}
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int DRM(setunique)( DRM_OS_IOCTL )
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{
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DRM_OS_DEVICE;
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drm_unique_t u;
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if (dev->unique_len || dev->unique)
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return DRM_OS_ERR(EBUSY);
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DRM_OS_KRNFROMUSR( u, (drm_unique_t *)data, sizeof(u) );
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if (!u.unique_len || u.unique_len > 1024)
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return DRM_OS_ERR(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 DRM_OS_ERR(ENOMEM);
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if (DRM_OS_COPYFROMUSR(dev->unique, u.unique, dev->unique_len))
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return DRM_OS_ERR(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 DRM_OS_ERR(ENOMEM);
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}
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sprintf(dev->devname, "%s@%s", dev->name, dev->unique);
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#ifdef __linux__
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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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#ifdef __alpha__
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dev->hose = pci_dev->sysdata;
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#endif
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}
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} while(0);
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#endif /* __linux__ */
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return 0;
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}
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int DRM(getmap)( DRM_OS_IOCTL )
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{
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DRM_OS_DEVICE;
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drm_map_t map;
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#ifdef __linux__
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drm_map_list_t *r_list = NULL;
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struct list_head *list;
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#endif /* __linux__ */
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#ifdef __FreeBSD__
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drm_map_t *mapinlist;
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drm_map_list_entry_t *list;
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#endif /* __FreeBSD__ */
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int idx;
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int i = 0;
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DRM_OS_KRNFROMUSR( map, (drm_map_t *)data, sizeof(map) );
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idx = map.offset;
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DRM_OS_LOCK;
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if (idx < 0 || idx >= dev->map_count) {
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DRM_OS_UNLOCK;
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return DRM_OS_ERR(EINVAL);
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}
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#ifdef __linux__
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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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DRM_OS_UNLOCK;
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return DRM_OS_ERR(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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#endif /* __linux__ */
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#ifdef __FreeBSD__
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TAILQ_FOREACH(list, dev->maplist, link) {
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mapinlist = list->map;
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if (i==idx) {
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map.offset = mapinlist->offset;
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map.size = mapinlist->size;
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map.type = mapinlist->type;
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map.flags = mapinlist->flags;
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map.handle = mapinlist->handle;
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map.mtrr = mapinlist->mtrr;
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break;
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}
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i++;
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}
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#endif /* __FreeBSD__ */
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DRM_OS_UNLOCK;
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#ifdef __FreeBSD__
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if (!list)
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return EINVAL;
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#endif /* __FreeBSD__ */
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DRM_OS_KRNTOUSR( (drm_map_t *)data, map, sizeof(map) );
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return 0;
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}
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int DRM(getclient)( DRM_OS_IOCTL )
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{
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DRM_OS_DEVICE;
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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 = 0;
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DRM_OS_KRNFROMUSR( client, (drm_client_t *)data, sizeof(client) );
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idx = client.idx;
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DRM_OS_LOCK;
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#ifdef __linux__
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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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DRM_OS_UNLOCK;
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return DRM_OS_ERR(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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#endif /* __linux__ */
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#ifdef __FreeBSD__
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TAILQ_FOREACH(pt, &dev->files, link) {
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if (i==idx)
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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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DRM_OS_UNLOCK;
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*(drm_client_t *)data = client;
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return 0;
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}
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i++;
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}
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#endif /* __FreeBSD__ */
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DRM_OS_UNLOCK;
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DRM_OS_KRNTOUSR( (drm_client_t *)data, client, sizeof(client) );
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return 0;
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}
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int DRM(getstats)( DRM_OS_IOCTL )
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{
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DRM_OS_DEVICE;
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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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DRM_OS_LOCK;
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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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DRM_OS_UNLOCK;
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DRM_OS_KRNTOUSR( (drm_stats_t *)data, stats, sizeof(stats) );
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return 0;
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}
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