12490Sjkh/*- 22490Sjkh * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. 32490Sjkh * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. 42490Sjkh * All Rights Reserved. 52490Sjkh * 62490Sjkh * Permission is hereby granted, free of charge, to any person obtaining a 72490Sjkh * copy of this software and associated documentation files (the "Software"), 82490Sjkh * to deal in the Software without restriction, including without limitation 92490Sjkh * the rights to use, copy, modify, merge, publish, distribute, sublicense, 102490Sjkh * and/or sell copies of the Software, and to permit persons to whom the 112490Sjkh * Software is furnished to do so, subject to the following conditions: 122490Sjkh * 132490Sjkh * The above copyright notice and this permission notice (including the next 142490Sjkh * paragraph) shall be included in all copies or substantial portions of the 152490Sjkh * Software. 162490Sjkh * 172490Sjkh * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 182490Sjkh * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 192490Sjkh * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 202490Sjkh * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 212490Sjkh * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 222490Sjkh * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 232490Sjkh * OTHER DEALINGS IN THE SOFTWARE. 242490Sjkh * 252490Sjkh * Authors: 262490Sjkh * Rickard E. (Rik) Faith <faith@valinux.com> 272490Sjkh * Gareth Hughes <gareth@valinux.com> 282490Sjkh * 292490Sjkh */ 302490Sjkh 312490Sjkh#include <sys/cdefs.h> 322490Sjkh__FBSDID("$FreeBSD$"); 332490Sjkh 342490Sjkh/** @file drm_ioctl.c 352490Sjkh * Varios minor DRM ioctls not applicable to other files, such as versioning 362490Sjkh * information and reporting DRM information to userland. 372490Sjkh */ 382490Sjkh 392490Sjkh#include <dev/drm2/drmP.h> 402490Sjkh#include <dev/drm2/drm_core.h> 412490Sjkh 422490Sjkh/* 432490Sjkh * Beginning in revision 1.1 of the DRM interface, getunique will return 442490Sjkh * a unique in the form pci:oooo:bb:dd.f (o=domain, b=bus, d=device, f=function) 452490Sjkh * before setunique has been called. The format for the bus-specific part of 462490Sjkh * the unique is not defined for any other bus. 472490Sjkh */ 482490Sjkhint drm_getunique(struct drm_device *dev, void *data, 492490Sjkh struct drm_file *file_priv) 502490Sjkh{ 512490Sjkh struct drm_unique *u = data; 522490Sjkh 532490Sjkh if (u->unique_len >= dev->unique_len) { 542490Sjkh if (DRM_COPY_TO_USER(u->unique, dev->unique, dev->unique_len)) 552490Sjkh return EFAULT; 562490Sjkh } 572490Sjkh u->unique_len = dev->unique_len; 582490Sjkh 592490Sjkh return 0; 602490Sjkh} 612490Sjkh 622490Sjkh/* Deprecated in DRM version 1.1, and will return EBUSY when setversion has 632490Sjkh * requested version 1.1 or greater. 642490Sjkh */ 652490Sjkhint drm_setunique(struct drm_device *dev, void *data, 662490Sjkh struct drm_file *file_priv) 672490Sjkh{ 682490Sjkh struct drm_unique *u = data; 692490Sjkh int domain, bus, slot, func, ret; 702490Sjkh char *busid; 712490Sjkh 722490Sjkh /* Check and copy in the submitted Bus ID */ 732490Sjkh if (!u->unique_len || u->unique_len > 1024) 742490Sjkh return EINVAL; 752490Sjkh 762490Sjkh busid = malloc(u->unique_len + 1, DRM_MEM_DRIVER, M_WAITOK); 772490Sjkh if (busid == NULL) 788856Srgrimes return ENOMEM; 792490Sjkh 802490Sjkh if (DRM_COPY_FROM_USER(busid, u->unique, u->unique_len)) { 812490Sjkh free(busid, DRM_MEM_DRIVER); 822490Sjkh return EFAULT; 832490Sjkh } 842490Sjkh busid[u->unique_len] = '\0'; 852490Sjkh 862490Sjkh /* Return error if the busid submitted doesn't match the device's actual 872490Sjkh * busid. 882490Sjkh */ 892490Sjkh ret = sscanf(busid, "PCI:%d:%d:%d", &bus, &slot, &func); 902490Sjkh if (ret != 3) { 912490Sjkh free(busid, DRM_MEM_DRIVER); 922490Sjkh return EINVAL; 932490Sjkh } 942490Sjkh domain = bus >> 8; 952490Sjkh bus &= 0xff; 962490Sjkh 972490Sjkh if ((domain != dev->pci_domain) || 982490Sjkh (bus != dev->pci_bus) || 992490Sjkh (slot != dev->pci_slot) || 1002490Sjkh (func != dev->pci_func)) { 1012490Sjkh free(busid, DRM_MEM_DRIVER); 1022490Sjkh return EINVAL; 1032490Sjkh } 1042490Sjkh 1052490Sjkh /* Actually set the device's busid now. */ 1062490Sjkh DRM_LOCK(dev); 1072490Sjkh if (dev->unique_len || dev->unique) { 1082490Sjkh DRM_UNLOCK(dev); 1092490Sjkh return EBUSY; 1102490Sjkh } 1112490Sjkh 1122490Sjkh dev->unique_len = u->unique_len; 1132490Sjkh dev->unique = busid; 1142490Sjkh DRM_UNLOCK(dev); 1152490Sjkh 1162490Sjkh return 0; 1172490Sjkh} 1182490Sjkh 1192490Sjkh 1202490Sjkhstatic int 1212490Sjkhdrm_set_busid(struct drm_device *dev) 1222490Sjkh{ 1232490Sjkh 1242490Sjkh DRM_LOCK(dev); 1252490Sjkh 1262490Sjkh if (dev->unique != NULL) { 1272490Sjkh DRM_UNLOCK(dev); 1282490Sjkh return EBUSY; 1292490Sjkh } 1302490Sjkh 1312490Sjkh dev->unique_len = 20; 1322490Sjkh dev->unique = malloc(dev->unique_len + 1, DRM_MEM_DRIVER, M_NOWAIT); 1332490Sjkh if (dev->unique == NULL) { 1342490Sjkh DRM_UNLOCK(dev); 1352490Sjkh return ENOMEM; 1362490Sjkh } 1372490Sjkh 1382490Sjkh snprintf(dev->unique, dev->unique_len, "pci:%04x:%02x:%02x.%1x", 1392490Sjkh dev->pci_domain, dev->pci_bus, dev->pci_slot, dev->pci_func); 1402490Sjkh 1412490Sjkh DRM_UNLOCK(dev); 1422490Sjkh 1432490Sjkh return 0; 1442490Sjkh} 1452490Sjkh 1462490Sjkhint drm_getmap(struct drm_device *dev, void *data, struct drm_file *file_priv) 1472490Sjkh{ 1482490Sjkh struct drm_map *map = data; 1492490Sjkh drm_local_map_t *mapinlist; 1502490Sjkh int idx; 1512490Sjkh int i = 0; 1522490Sjkh 1532490Sjkh idx = map->offset; 1542490Sjkh 1552490Sjkh DRM_LOCK(dev); 1562490Sjkh if (idx < 0) { 1572490Sjkh DRM_UNLOCK(dev); 1582490Sjkh return EINVAL; 1592490Sjkh } 1602490Sjkh 1612490Sjkh TAILQ_FOREACH(mapinlist, &dev->maplist, link) { 1622490Sjkh if (i == idx) { 1632490Sjkh map->offset = mapinlist->offset; 1642490Sjkh map->size = mapinlist->size; 1652490Sjkh map->type = mapinlist->type; 1662490Sjkh map->flags = mapinlist->flags; 1672490Sjkh map->handle = mapinlist->handle; 1682490Sjkh map->mtrr = mapinlist->mtrr; 1692490Sjkh break; 1702490Sjkh } 1712490Sjkh i++; 1722490Sjkh } 1732490Sjkh 1742490Sjkh DRM_UNLOCK(dev); 1752490Sjkh 1762490Sjkh if (mapinlist == NULL) 1772490Sjkh return EINVAL; 1782490Sjkh 1792490Sjkh return 0; 1802490Sjkh} 1812490Sjkh 1822490Sjkhint drm_getclient(struct drm_device *dev, void *data, 1832490Sjkh struct drm_file *file_priv) 1842490Sjkh{ 1852490Sjkh struct drm_client *client = data; 1862490Sjkh struct drm_file *pt; 1872490Sjkh int idx; 1882490Sjkh int i = 0; 1892490Sjkh 1902490Sjkh idx = client->idx; 1912490Sjkh DRM_LOCK(dev); 1922490Sjkh TAILQ_FOREACH(pt, &dev->files, link) { 1932490Sjkh if (i == idx) { 1942490Sjkh client->auth = pt->authenticated; 1952490Sjkh client->pid = pt->pid; 1962490Sjkh client->uid = pt->uid; 1972490Sjkh client->magic = pt->magic; 1982490Sjkh client->iocs = pt->ioctl_count; 1992490Sjkh DRM_UNLOCK(dev); 2002490Sjkh return 0; 2012490Sjkh } 202 i++; 203 } 204 DRM_UNLOCK(dev); 205 206 return EINVAL; 207} 208 209int drm_getstats(struct drm_device *dev, void *data, struct drm_file *file_priv) 210{ 211 struct drm_stats *stats = data; 212 int i; 213 214 memset(stats, 0, sizeof(struct drm_stats)); 215 216 DRM_LOCK(dev); 217 218 for (i = 0; i < dev->counters; i++) { 219 if (dev->types[i] == _DRM_STAT_LOCK) 220 stats->data[i].value = 221 (dev->lock.hw_lock ? dev->lock.hw_lock->lock : 0); 222 else 223 stats->data[i].value = atomic_read(&dev->counts[i]); 224 stats->data[i].type = dev->types[i]; 225 } 226 227 stats->count = dev->counters; 228 229 DRM_UNLOCK(dev); 230 231 return 0; 232} 233 234int drm_getcap(struct drm_device *dev, void *data, struct drm_file *file_priv) 235{ 236 struct drm_get_cap *req = data; 237 238 req->value = 0; 239 switch (req->capability) { 240 case DRM_CAP_DUMB_BUFFER: 241 if (dev->driver->dumb_create) 242 req->value = 1; 243 break; 244 case DRM_CAP_VBLANK_HIGH_CRTC: 245 req->value = 1; 246 break; 247 case DRM_CAP_DUMB_PREFERRED_DEPTH: 248 req->value = dev->mode_config.preferred_depth; 249 break; 250 case DRM_CAP_DUMB_PREFER_SHADOW: 251 req->value = dev->mode_config.prefer_shadow; 252 break; 253 case DRM_CAP_TIMESTAMP_MONOTONIC: 254 req->value = drm_timestamp_monotonic; 255 break; 256 default: 257 return EINVAL; 258 } 259 return 0; 260} 261 262int drm_setversion(struct drm_device *dev, void *data, 263 struct drm_file *file_priv) 264{ 265 struct drm_set_version *sv = data; 266 struct drm_set_version ver; 267 int if_version; 268 269 /* Save the incoming data, and set the response before continuing 270 * any further. 271 */ 272 ver = *sv; 273 sv->drm_di_major = DRM_IF_MAJOR; 274 sv->drm_di_minor = DRM_IF_MINOR; 275 sv->drm_dd_major = dev->driver->major; 276 sv->drm_dd_minor = dev->driver->minor; 277 278 DRM_DEBUG("ver.drm_di_major %d ver.drm_di_minor %d " 279 "ver.drm_dd_major %d ver.drm_dd_minor %d\n", 280 ver.drm_di_major, ver.drm_di_minor, ver.drm_dd_major, 281 ver.drm_dd_minor); 282 DRM_DEBUG("sv->drm_di_major %d sv->drm_di_minor %d " 283 "sv->drm_dd_major %d sv->drm_dd_minor %d\n", 284 sv->drm_di_major, sv->drm_di_minor, sv->drm_dd_major, 285 sv->drm_dd_minor); 286 287 if (ver.drm_di_major != -1) { 288 if (ver.drm_di_major != DRM_IF_MAJOR || 289 ver.drm_di_minor < 0 || ver.drm_di_minor > DRM_IF_MINOR) { 290 return EINVAL; 291 } 292 if_version = DRM_IF_VERSION(ver.drm_di_major, 293 ver.drm_dd_minor); 294 dev->if_version = DRM_MAX(if_version, dev->if_version); 295 if (ver.drm_di_minor >= 1) { 296 /* 297 * Version 1.1 includes tying of DRM to specific device 298 */ 299 drm_set_busid(dev); 300 } 301 } 302 303 if (ver.drm_dd_major != -1) { 304 if (ver.drm_dd_major != dev->driver->major || 305 ver.drm_dd_minor < 0 || 306 ver.drm_dd_minor > dev->driver->minor) 307 { 308 return EINVAL; 309 } 310 } 311 312 return 0; 313} 314 315 316int drm_noop(struct drm_device *dev, void *data, struct drm_file *file_priv) 317{ 318 DRM_DEBUG("\n"); 319 return 0; 320} 321