renesas/drm.git - libdrm, cloned from git://anongit.freedesktop.org/mesa/drm

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Diffstat (limited to 'bsd-core/sis_mm.c')

0 files changed, 0 insertions, 0 deletions

/* 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" /* * Beginning in revision 1.1 of the DRM interface, getunique will return * a unique in the form pci:oooo:bb:dd.f (o=domain, b=bus, d=device, f=function) * before setunique has been called. The format for the bus-specific part of * the unique is not defined for any other bus. */ 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; } /* Deprecated in DRM version 1.1, and will return EBUSY when setversion has * requested version 1.1 or greater. */ int DRM(setunique)( DRM_IOCTL_ARGS ) { DRM_DEVICE; drm_unique_t u; int domain, bus, slot, func, ret; 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 == NULL) 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'; /* Return error if the busid submitted doesn't match the device's actual * busid. */ ret = sscanf(dev->unique, "PCI:%d:%d:%d", &bus, &slot, &func); if (ret != 3) return DRM_ERR(EINVAL); domain = bus >> 8; bus &= 0xff; if ((domain != dev->pci_domain) || (bus != dev->pci_bus) || (slot != dev->pci_slot) || (func != dev->pci_func)) return DRM_ERR(EINVAL); return 0; } static int DRM(set_busid)(drm_device_t *dev) { if (dev->unique != NULL) return EBUSY; dev->unique_len = 20; dev->unique = DRM(alloc)(dev->unique_len + 1, DRM_MEM_DRIVER); if (dev->unique == NULL) return ENOMEM; snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%1x", dev->pci_domain, dev->pci_bus, dev->pci_slot, dev->pci_func); return 0; } int DRM(getmap)( DRM_IOCTL_ARGS ) { DRM_DEVICE; drm_map_t map; drm_local_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) { 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; } #define DRM_IF_MAJOR 1 #define DRM_IF_MINOR 2 int DRM(setversion)(DRM_IOCTL_ARGS) { DRM_DEVICE; drm_set_version_t sv; drm_set_version_t retv; int if_version; DRM_COPY_FROM_USER_IOCTL(sv, (drm_set_version_t *)data, sizeof(sv)); retv.drm_di_major = DRM_IF_MAJOR; retv.drm_di_minor = DRM_IF_MINOR; retv.drm_dd_major = DRIVER_MAJOR; retv.drm_dd_minor = DRIVER_MINOR; DRM_COPY_TO_USER_IOCTL((drm_set_version_t *)data, retv, sizeof(sv)); if (sv.drm_di_major != -1) { if (sv.drm_di_major != DRM_IF_MAJOR || sv.drm_di_minor < 0 || sv.drm_di_minor > DRM_IF_MINOR) return EINVAL; if_version = DRM_IF_VERSION(sv.drm_di_major, sv.drm_dd_minor); dev->if_version = DRM_MAX(if_version, dev->if_version); if (sv.drm_di_minor >= 1) { /* * Version 1.1 includes tying of DRM to specific device */ DRM(set_busid)(dev); } } if (sv.drm_dd_major != -1) { if (sv.drm_dd_major != DRIVER_MAJOR || sv.drm_dd_minor < 0 || sv.drm_dd_minor > DRIVER_MINOR) return EINVAL; #ifdef DRIVER_SETVERSION DRIVER_SETVERSION(dev, &sv); #endif } return 0; } int DRM(noop)(DRM_IOCTL_ARGS) { DRM_DEBUG("\n"); return 0; }


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