Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]
FreeBSD/Linux Kernel Cross Reference
sys/dev/drm/drm_sysctl.h
Version:
- FREEBSD - FREEBSD-13-STABLE - FREEBSD-13-0 - FREEBSD-12-STABLE - FREEBSD-12-0 - FREEBSD-11-STABLE - FREEBSD-11-0 - FREEBSD-10-STABLE - FREEBSD-10-0 - FREEBSD-9-STABLE - FREEBSD-9-0 - FREEBSD-8-STABLE - FREEBSD-8-0 - FREEBSD-7-STABLE - FREEBSD-7-0 - FREEBSD-6-STABLE - FREEBSD-6-0 - FREEBSD-5-STABLE - FREEBSD-5-0 - FREEBSD-4-STABLE - FREEBSD-3-STABLE - FREEBSD22 - l41 - OPENBSD - linux-2.6 - MK84 - PLAN9 - xnu-8792
SearchContext: - none - 3 - 10
SearchContext: - none - 3 - 10
1 /*- 2 * Copyright 2003 Eric Anholt 3 * All Rights Reserved. 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining a 6 * copy of this software and associated documentation files (the "Software"), 7 * to deal in the Software without restriction, including without limitation 8 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 9 * and/or sell copies of the Software, and to permit persons to whom the 10 * Software is furnished to do so, subject to the following conditions: 11 * 12 * The above copyright notice and this permission notice (including the next 13 * paragraph) shall be included in all copies or substantial portions of the 14 * Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 19 * PRECISION INSIGHT AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR 20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 22 * DEALINGS IN THE SOFTWARE. 23 * 24 * $FreeBSD$ 25 */ 26 27 #ifdef __FreeBSD__ 28 29 #include <sys/sysctl.h> 30 31 static int DRM(name_info)DRM_SYSCTL_HANDLER_ARGS; 32 static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS; 33 static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS; 34 #if __HAVE_DMA 35 static int DRM(bufs_info)DRM_SYSCTL_HANDLER_ARGS; 36 #endif 37 38 struct DRM(sysctl_list) { 39 const char *name; 40 int (*f) DRM_SYSCTL_HANDLER_ARGS; 41 } DRM(sysctl_list)[] = { 42 { "name", DRM(name_info) }, 43 #ifdef DEBUG_MEMORY 44 { "mem", DRM(mem_info) }, 45 #endif 46 { "vm", DRM(vm_info) }, 47 { "clients", DRM(clients_info) }, 48 #if __HAVE_DMA 49 { "bufs", DRM(bufs_info) }, 50 #endif 51 }; 52 #define DRM_SYSCTL_ENTRIES (sizeof(DRM(sysctl_list))/sizeof(DRM(sysctl_list)[0])) 53 54 struct drm_sysctl_info { 55 struct sysctl_ctx_list ctx; 56 char name[2]; 57 }; 58 59 int DRM(sysctl_init)(drm_device_t *dev) 60 { 61 struct drm_sysctl_info *info; 62 struct sysctl_oid *oid; 63 struct sysctl_oid *top, *drioid; 64 int i; 65 66 info = DRM(alloc)(sizeof *info, DRM_MEM_DRIVER); 67 if ( !info ) 68 return 1; 69 bzero(info, sizeof *info); 70 dev->sysctl = info; 71 72 /* Add the sysctl node for DRI if it doesn't already exist */ 73 drioid = SYSCTL_ADD_NODE( &info->ctx, &sysctl__hw_children, OID_AUTO, "dri", CTLFLAG_RW, NULL, "DRI Graphics"); 74 if (!drioid) 75 return 1; 76 77 /* Find the next free slot under hw.dri */ 78 i = 0; 79 SLIST_FOREACH(oid, SYSCTL_CHILDREN(drioid), oid_link) { 80 if (i <= oid->oid_arg2) 81 i = oid->oid_arg2 + 1; 82 } 83 if (i>9) 84 return 1; 85 86 /* Add the hw.dri.x for our device */ 87 info->name[0] = '' + i; 88 info->name[1] = 0; 89 top = SYSCTL_ADD_NODE( &info->ctx, SYSCTL_CHILDREN(drioid), OID_AUTO, info->name, CTLFLAG_RW, NULL, NULL); 90 if (!top) 91 return 1; 92 93 for (i = 0; i < DRM_SYSCTL_ENTRIES; i++) { 94 oid = SYSCTL_ADD_OID( &info->ctx, 95 SYSCTL_CHILDREN(top), 96 OID_AUTO, 97 DRM(sysctl_list)[i].name, 98 CTLTYPE_INT | CTLFLAG_RD, 99 dev, 100 0, 101 DRM(sysctl_list)[i].f, 102 "A", 103 NULL); 104 if (!oid) 105 return 1; 106 } 107 return 0; 108 } 109 110 int DRM(sysctl_cleanup)(drm_device_t *dev) 111 { 112 int error; 113 error = sysctl_ctx_free( &dev->sysctl->ctx ); 114 115 DRM(free)(dev->sysctl, sizeof *dev->sysctl, DRM_MEM_DRIVER); 116 dev->sysctl = NULL; 117 118 return error; 119 } 120 121 #define DRM_SYSCTL_PRINT(fmt, arg...) \ 122 do { \ 123 snprintf(buf, sizeof(buf), fmt, ##arg); \ 124 retcode = SYSCTL_OUT(req, buf, strlen(buf)); \ 125 if (retcode) \ 126 goto done; \ 127 } while (0) 128 129 static int DRM(name_info)DRM_SYSCTL_HANDLER_ARGS 130 { 131 drm_device_t *dev = arg1; 132 char buf[128]; 133 int retcode; 134 int hasunique = 0; 135 136 DRM_SYSCTL_PRINT("%s 0x%x", dev->name, dev2udev(dev->devnode)); 137 138 DRM_LOCK(); 139 if (dev->unique) { 140 snprintf(buf, sizeof(buf), " %s", dev->unique); 141 hasunique = 1; 142 } 143 DRM_UNLOCK(); 144 145 if (hasunique) 146 SYSCTL_OUT(req, buf, strlen(buf)); 147 148 SYSCTL_OUT(req, "", 1); 149 150 done: 151 return retcode; 152 } 153 154 static int DRM(vm_info)DRM_SYSCTL_HANDLER_ARGS 155 { 156 drm_device_t *dev = arg1; 157 drm_local_map_t *map, *tempmaps; 158 drm_map_list_entry_t *listentry; 159 const char *types[] = { "FB", "REG", "SHM", "AGP", "SG" }; 160 const char *type, *yesno; 161 int i, mapcount; 162 char buf[128]; 163 int retcode; 164 165 /* We can't hold the lock while doing SYSCTL_OUTs, so allocate a 166 * temporary copy of all the map entries and then SYSCTL_OUT that. 167 */ 168 DRM_LOCK(); 169 170 mapcount = 0; 171 TAILQ_FOREACH(listentry, dev->maplist, link) 172 mapcount++; 173 174 tempmaps = DRM(alloc)(sizeof(drm_local_map_t) * mapcount, DRM_MEM_MAPS); 175 if (tempmaps == NULL) { 176 DRM_UNLOCK(); 177 return ENOMEM; 178 } 179 180 i = 0; 181 TAILQ_FOREACH(listentry, dev->maplist, link) 182 tempmaps[i++] = *listentry->map; 183 184 DRM_UNLOCK(); 185 186 DRM_SYSCTL_PRINT("\nslot offset size type flags " 187 "address mtrr\n"); 188 189 for (i = 0; i < mapcount; i++) { 190 map = &tempmaps[i]; 191 192 if (map->type < 0 || map->type > 4) 193 type = "??"; 194 else 195 type = types[map->type]; 196 197 if (!map->mtrr) 198 yesno = "no"; 199 else 200 yesno = "yes"; 201 202 DRM_SYSCTL_PRINT( 203 "%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx %s\n", i, 204 map->offset, map->size, type, map->flags, 205 (unsigned long)map->handle, yesno); 206 } 207 SYSCTL_OUT(req, "", 1); 208 209 done: 210 DRM(free)(tempmaps, sizeof(drm_local_map_t) * mapcount, DRM_MEM_MAPS); 211 return retcode; 212 } 213 214 #if __HAVE_DMA 215 static int DRM(bufs_info) DRM_SYSCTL_HANDLER_ARGS 216 { 217 drm_device_t *dev = arg1; 218 drm_device_dma_t *dma = dev->dma; 219 drm_device_dma_t tempdma; 220 int *templists; 221 int i; 222 char buf[128]; 223 int retcode; 224 225 /* We can't hold the locks around DRM_SYSCTL_PRINT, so make a temporary 226 * copy of the whole structure and the relevant data from buflist. 227 */ 228 DRM_LOCK(); 229 if (dma == NULL) { 230 DRM_UNLOCK(); 231 return 0; 232 } 233 DRM_SPINLOCK(&dev->dma_lock); 234 tempdma = *dma; 235 templists = DRM(alloc)(sizeof(int) * dma->buf_count, DRM_MEM_BUFS); 236 for (i = 0; i < dma->buf_count; i++) 237 templists[i] = dma->buflist[i]->list; 238 dma = &tempdma; 239 DRM_SPINUNLOCK(&dev->dma_lock); 240 DRM_UNLOCK(); 241 242 DRM_SYSCTL_PRINT("\n o size count free segs pages kB\n"); 243 for (i = 0; i <= DRM_MAX_ORDER; i++) { 244 if (dma->bufs[i].buf_count) 245 DRM_SYSCTL_PRINT("%2d %8d %5d %5d %5d %5d %5d\n", 246 i, 247 dma->bufs[i].buf_size, 248 dma->bufs[i].buf_count, 249 atomic_read(&dma->bufs[i] 250 .freelist.count), 251 dma->bufs[i].seg_count, 252 dma->bufs[i].seg_count 253 *(1 << dma->bufs[i].page_order), 254 (dma->bufs[i].seg_count 255 * (1 << dma->bufs[i].page_order)) 256 * PAGE_SIZE / 1024); 257 } 258 DRM_SYSCTL_PRINT("\n"); 259 for (i = 0; i < dma->buf_count; i++) { 260 if (i && !(i%32)) DRM_SYSCTL_PRINT("\n"); 261 DRM_SYSCTL_PRINT(" %d", templists[i]); 262 } 263 DRM_SYSCTL_PRINT("\n"); 264 265 SYSCTL_OUT(req, "", 1); 266 done: 267 DRM(free)(templists, sizeof(int) * dma->buf_count, DRM_MEM_BUFS); 268 return retcode; 269 } 270 #endif 271 272 static int DRM(clients_info)DRM_SYSCTL_HANDLER_ARGS 273 { 274 drm_device_t *dev = arg1; 275 drm_file_t *priv, *tempprivs; 276 char buf[128]; 277 int retcode; 278 int privcount, i; 279 280 DRM_LOCK(); 281 282 privcount = 0; 283 TAILQ_FOREACH(priv, &dev->files, link) 284 privcount++; 285 286 tempprivs = DRM(alloc)(sizeof(drm_file_t) * privcount, DRM_MEM_FILES); 287 if (tempprivs == NULL) { 288 DRM_UNLOCK(); 289 return ENOMEM; 290 } 291 i = 0; 292 TAILQ_FOREACH(priv, &dev->files, link) 293 tempprivs[i++] = *priv; 294 295 DRM_UNLOCK(); 296 297 DRM_SYSCTL_PRINT("\na dev pid uid magic ioctls\n"); 298 for (i = 0; i < privcount; i++) { 299 priv = &tempprivs[i]; 300 DRM_SYSCTL_PRINT("%c %3d %5d %5d %10u %10lu\n", 301 priv->authenticated ? 'y' : 'n', 302 priv->minor, 303 priv->pid, 304 priv->uid, 305 priv->magic, 306 priv->ioctl_count); 307 } 308 309 SYSCTL_OUT(req, "", 1); 310 done: 311 DRM(free)(tempprivs, sizeof(drm_file_t) * privcount, DRM_MEM_FILES); 312 return retcode; 313 } 314 315 #elif defined(__NetBSD__) 316 /* stub it out for now, sysctl is only for debugging */ 317 int DRM(sysctl_init)(drm_device_t *dev) 318 { 319 return 0; 320 } 321 322 int DRM(sysctl_cleanup)(drm_device_t *dev) 323 { 324 return 0; 325 } 326 #endif
Cache object: 4c9caea1f9391a5a7034d6be02bb54be
[ source navigation ] [ diff markup ] [ identifier search ] [ freetext search ] [ file search ] [ list types ] [ track identifier ]