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>
32 * Varios minor DRM ioctls not applicable to other files, such as versioning
33 * information and reporting DRM information to userland.
36 #include "dev/drm/drmP.h"
39 * Beginning in revision 1.1 of the DRM interface, getunique will return
40 * a unique in the form pci:oooo:bb:dd.f (o=domain, b=bus, d=device, f=function)
41 * before setunique has been called. The format for the bus-specific part of
42 * the unique is not defined for any other bus.
44 int drm_getunique(struct drm_device *dev, void *data,
45 struct drm_file *file_priv)
47 struct drm_unique *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(struct drm_device *dev, void *data,
62 struct drm_file *file_priv)
64 struct drm_unique *u = data;
65 int domain, bus, slot, func, ret;
68 /* Check and copy in the submitted Bus ID */
69 if (!u->unique_len || u->unique_len > 1024)
72 busid = malloc(u->unique_len + 1, DRM_MEM_DRIVER, M_WAITOK);
76 if (DRM_COPY_FROM_USER(busid, u->unique, u->unique_len)) {
77 free(busid, DRM_MEM_DRIVER);
80 busid[u->unique_len] = '\0';
82 /* Return error if the busid submitted doesn't match the device's actual
85 ret = sscanf(busid, "PCI:%d:%d:%d", &bus, &slot, &func);
87 free(busid, DRM_MEM_DRIVER);
93 if ((domain != dev->pci_domain) ||
94 (bus != dev->pci_bus) ||
95 (slot != dev->pci_slot) ||
96 (func != dev->pci_func)) {
97 free(busid, DRM_MEM_DRIVER);
101 /* Actually set the device's busid now. */
103 if (dev->unique_len || dev->unique) {
108 dev->unique_len = u->unique_len;
117 drm_set_busid(struct drm_device *dev)
122 if (dev->unique != NULL) {
127 dev->unique_len = 20;
128 dev->unique = malloc(dev->unique_len + 1, DRM_MEM_DRIVER, M_NOWAIT);
129 if (dev->unique == NULL) {
134 snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%1x",
135 dev->pci_domain, dev->pci_bus, dev->pci_slot, dev->pci_func);
142 int drm_getmap(struct drm_device *dev, void *data, struct drm_file *file_priv)
144 struct drm_map *map = data;
145 drm_local_map_t *mapinlist;
157 TAILQ_FOREACH(mapinlist, &dev->maplist, link) {
159 map->offset = mapinlist->offset;
160 map->size = mapinlist->size;
161 map->type = mapinlist->type;
162 map->flags = mapinlist->flags;
163 map->handle = mapinlist->handle;
164 map->mtrr = mapinlist->mtrr;
172 if (mapinlist == NULL)
178 int drm_getclient(struct drm_device *dev, void *data,
179 struct drm_file *file_priv)
181 struct drm_client *client = data;
188 TAILQ_FOREACH(pt, &dev->files, link) {
190 client->auth = pt->authenticated;
191 client->pid = pt->pid;
192 client->uid = pt->uid;
193 client->magic = pt->magic;
194 client->iocs = pt->ioctl_count;
205 int drm_getstats(struct drm_device *dev, void *data, struct drm_file *file_priv)
207 struct drm_stats *stats = data;
210 memset(stats, 0, sizeof(struct drm_stats));
214 for (i = 0; i < dev->counters; i++) {
215 if (dev->types[i] == _DRM_STAT_LOCK)
216 stats->data[i].value =
217 (dev->lock.hw_lock ? 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(struct drm_device *dev, void *data,
234 struct drm_file *file_priv)
236 struct drm_set_version *sv = data;
237 struct drm_set_version ver;
240 /* Save the incoming data, and set the response before continuing
244 sv->drm_di_major = DRM_IF_MAJOR;
245 sv->drm_di_minor = DRM_IF_MINOR;
246 sv->drm_dd_major = dev->driver->major;
247 sv->drm_dd_minor = dev->driver->minor;
249 if (ver.drm_di_major != -1) {
250 if (ver.drm_di_major != DRM_IF_MAJOR ||
251 ver.drm_di_minor < 0 || ver.drm_di_minor > DRM_IF_MINOR) {
254 if_version = DRM_IF_VERSION(ver.drm_di_major,
256 dev->if_version = DRM_MAX(if_version, dev->if_version);
257 if (ver.drm_di_minor >= 1) {
259 * Version 1.1 includes tying of DRM to specific device
265 if (ver.drm_dd_major != -1) {
266 if (ver.drm_dd_major != dev->driver->major ||
267 ver.drm_dd_minor < 0 ||
268 ver.drm_dd_minor > dev->driver->minor)
278 int drm_noop(struct drm_device *dev, void *data, struct drm_file *file_priv)