2 * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
3 * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
13 * The above copyright notice and this permission notice (including the next
14 * paragraph) shall be included in all copies or substantial portions of the
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
20 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
21 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
22 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
23 * OTHER DEALINGS IN THE SOFTWARE.
26 * Rickard E. (Rik) Faith <faith@valinux.com>
27 * Gareth Hughes <gareth@valinux.com>
29 * $DragonFly: src/sys/dev/drm/drm_ioctl.c,v 1.1 2008/04/05 18:12:29 hasso Exp $
33 * Varios minor DRM ioctls not applicable to other files, such as versioning
34 * information and reporting DRM information to userland.
40 * Beginning in revision 1.1 of the DRM interface, getunique will return
41 * a unique in the form pci:oooo:bb:dd.f (o=domain, b=bus, d=device, f=function)
42 * before setunique has been called. The format for the bus-specific part of
43 * the unique is not defined for any other bus.
45 int drm_getunique(drm_device_t *dev, void *data, struct drm_file *file_priv)
47 drm_unique_t *u = data;
49 if (u->unique_len >= dev->unique_len) {
50 if (DRM_COPY_TO_USER(u->unique, dev->unique, dev->unique_len))
53 u->unique_len = dev->unique_len;
58 /* Deprecated in DRM version 1.1, and will return EBUSY when setversion has
59 * requested version 1.1 or greater.
61 int drm_setunique(drm_device_t *dev, void *data, struct drm_file *file_priv)
63 drm_unique_t *u = data;
64 int domain, bus, slot, func, ret;
67 /* Check and copy in the submitted Bus ID */
68 if (!u->unique_len || u->unique_len > 1024)
71 busid = malloc(u->unique_len + 1, M_DRM, M_WAITOK);
75 if (DRM_COPY_FROM_USER(busid, u->unique, u->unique_len)) {
79 busid[u->unique_len] = '\0';
81 /* Return error if the busid submitted doesn't match the device's actual
84 ret = sscanf(busid, "PCI:%d:%d:%d", &bus, &slot, &func);
92 if ((domain != dev->pci_domain) ||
93 (bus != dev->pci_bus) ||
94 (slot != dev->pci_slot) ||
95 (func != dev->pci_func)) {
100 /* Actually set the device's busid now. */
102 if (dev->unique_len || dev->unique) {
107 dev->unique_len = u->unique_len;
116 drm_set_busid(drm_device_t *dev)
121 if (dev->unique != NULL) {
126 dev->unique_len = 20;
127 dev->unique = malloc(dev->unique_len + 1, M_DRM, M_NOWAIT);
128 if (dev->unique == NULL) {
133 snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%1x",
134 dev->pci_domain, dev->pci_bus, dev->pci_slot, dev->pci_func);
141 int drm_getmap(drm_device_t *dev, void *data, struct drm_file *file_priv)
143 drm_map_t *map = data;
144 drm_local_map_t *mapinlist;
156 TAILQ_FOREACH(mapinlist, &dev->maplist, link) {
158 map->offset = mapinlist->offset;
159 map->size = mapinlist->size;
160 map->type = mapinlist->type;
161 map->flags = mapinlist->flags;
162 map->handle = mapinlist->handle;
163 map->mtrr = mapinlist->mtrr;
171 if (mapinlist == NULL)
177 int drm_getclient(drm_device_t *dev, void *data, struct drm_file *file_priv)
179 drm_client_t *client = data;
186 TAILQ_FOREACH(pt, &dev->files, link) {
189 client->auth = pt->authenticated;
190 client->pid = pt->pid;
191 client->uid = pt->uid;
192 client->magic = pt->magic;
193 client->iocs = pt->ioctl_count;
204 int drm_getstats(drm_device_t *dev, void *data, struct drm_file *file_priv)
206 drm_stats_t *stats = data;
209 memset(stats, 0, sizeof(drm_stats_t));
213 for (i = 0; i < dev->counters; i++) {
214 if (dev->types[i] == _DRM_STAT_LOCK)
217 ? dev->lock.hw_lock->lock : 0);
219 stats->data[i].value = atomic_read(&dev->counts[i]);
220 stats->data[i].type = dev->types[i];
223 stats->count = dev->counters;
230 #define DRM_IF_MAJOR 1
231 #define DRM_IF_MINOR 2
233 int drm_setversion(drm_device_t *dev, void *data, struct drm_file *file_priv)
235 drm_set_version_t *sv = data;
236 drm_set_version_t ver;
239 /* Save the incoming data, and set the response before continuing
243 sv->drm_di_major = DRM_IF_MAJOR;
244 sv->drm_di_minor = DRM_IF_MINOR;
245 sv->drm_dd_major = dev->driver.major;
246 sv->drm_dd_minor = dev->driver.minor;
248 if (ver.drm_di_major != -1) {
249 if (ver.drm_di_major != DRM_IF_MAJOR ||
250 ver.drm_di_minor < 0 || ver.drm_di_minor > DRM_IF_MINOR) {
253 if_version = DRM_IF_VERSION(ver.drm_di_major,
255 dev->if_version = DRM_MAX(if_version, dev->if_version);
256 if (ver.drm_di_minor >= 1) {
258 * Version 1.1 includes tying of DRM to specific device
264 if (ver.drm_dd_major != -1) {
265 if (ver.drm_dd_major != dev->driver.major ||
266 ver.drm_dd_minor < 0 ||
267 ver.drm_dd_minor > dev->driver.minor)
277 int drm_noop(drm_device_t *dev, void *data, struct drm_file *file_priv)