| /*- |
| * Copyright 2003 Eric Anholt |
| * 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 |
| * ERIC ANHOLT 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. |
| */ |
| |
| #include "drmP.h" |
| #include "drm.h" |
| |
| #include <sys/sysctl.h> |
| |
| static int drm_name_info DRM_SYSCTL_HANDLER_ARGS; |
| static int drm_vm_info DRM_SYSCTL_HANDLER_ARGS; |
| static int drm_clients_info DRM_SYSCTL_HANDLER_ARGS; |
| static int drm_bufs_info DRM_SYSCTL_HANDLER_ARGS; |
| |
| struct drm_sysctl_list { |
| const char *name; |
| int (*f) DRM_SYSCTL_HANDLER_ARGS; |
| } drm_sysctl_list[] = { |
| {"name", drm_name_info}, |
| {"vm", drm_vm_info}, |
| {"clients", drm_clients_info}, |
| {"bufs", drm_bufs_info}, |
| }; |
| #define DRM_SYSCTL_ENTRIES (sizeof(drm_sysctl_list)/sizeof(drm_sysctl_list[0])) |
| |
| struct drm_sysctl_info { |
| struct sysctl_ctx_list ctx; |
| char name[2]; |
| }; |
| |
| int drm_sysctl_init(drm_device_t *dev) |
| { |
| struct drm_sysctl_info *info; |
| struct sysctl_oid *oid; |
| struct sysctl_oid *top, *drioid; |
| int i; |
| |
| info = malloc(sizeof *info, M_DRM, M_WAITOK | M_ZERO); |
| if ( !info ) |
| return 1; |
| dev->sysctl = info; |
| |
| /* Add the sysctl node for DRI if it doesn't already exist */ |
| drioid = SYSCTL_ADD_NODE( &info->ctx, &sysctl__hw_children, OID_AUTO, "dri", CTLFLAG_RW, NULL, "DRI Graphics"); |
| if (!drioid) |
| return 1; |
| |
| /* Find the next free slot under hw.dri */ |
| i = 0; |
| SLIST_FOREACH(oid, SYSCTL_CHILDREN(drioid), oid_link) { |
| if (i <= oid->oid_arg2) |
| i = oid->oid_arg2 + 1; |
| } |
| if (i>9) |
| return 1; |
| |
| /* Add the hw.dri.x for our device */ |
| info->name[0] = '0' + i; |
| info->name[1] = 0; |
| top = SYSCTL_ADD_NODE( &info->ctx, SYSCTL_CHILDREN(drioid), OID_AUTO, info->name, CTLFLAG_RW, NULL, NULL); |
| if (!top) |
| return 1; |
| |
| for (i = 0; i < DRM_SYSCTL_ENTRIES; i++) { |
| oid = SYSCTL_ADD_OID(&info->ctx, |
| SYSCTL_CHILDREN(top), |
| OID_AUTO, |
| drm_sysctl_list[i].name, |
| CTLTYPE_INT | CTLFLAG_RD, |
| dev, |
| 0, |
| drm_sysctl_list[i].f, |
| "A", |
| NULL); |
| if (!oid) |
| return 1; |
| } |
| SYSCTL_ADD_INT(&info->ctx, SYSCTL_CHILDREN(top), OID_AUTO, "debug", |
| CTLFLAG_RW, &drm_debug_flag, sizeof(drm_debug_flag), |
| "Enable debugging output"); |
| |
| return 0; |
| } |
| |
| int drm_sysctl_cleanup(drm_device_t *dev) |
| { |
| int error; |
| error = sysctl_ctx_free( &dev->sysctl->ctx ); |
| |
| free(dev->sysctl, M_DRM); |
| dev->sysctl = NULL; |
| |
| return error; |
| } |
| |
| #define DRM_SYSCTL_PRINT(fmt, arg...) \ |
| do { \ |
| snprintf(buf, sizeof(buf), fmt, ##arg); \ |
| retcode = SYSCTL_OUT(req, buf, strlen(buf)); \ |
| if (retcode) \ |
| goto done; \ |
| } while (0) |
| |
| static int drm_name_info DRM_SYSCTL_HANDLER_ARGS |
| { |
| drm_device_t *dev = arg1; |
| char buf[128]; |
| int retcode; |
| int hasunique = 0; |
| |
| DRM_SYSCTL_PRINT("%s 0x%x", dev->driver.name, dev2udev(dev->devnode)); |
| |
| DRM_LOCK(); |
| if (dev->unique) { |
| snprintf(buf, sizeof(buf), " %s", dev->unique); |
| hasunique = 1; |
| } |
| DRM_UNLOCK(); |
| |
| if (hasunique) |
| SYSCTL_OUT(req, buf, strlen(buf)); |
| |
| SYSCTL_OUT(req, "", 1); |
| |
| done: |
| return retcode; |
| } |
| |
| static int drm_vm_info DRM_SYSCTL_HANDLER_ARGS |
| { |
| drm_device_t *dev = arg1; |
| drm_local_map_t *map, *tempmaps; |
| const char *types[] = { "FB", "REG", "SHM", "AGP", "SG" }; |
| const char *type, *yesno; |
| int i, mapcount; |
| char buf[128]; |
| int retcode; |
| |
| /* We can't hold the lock while doing SYSCTL_OUTs, so allocate a |
| * temporary copy of all the map entries and then SYSCTL_OUT that. |
| */ |
| DRM_LOCK(); |
| |
| mapcount = 0; |
| TAILQ_FOREACH(map, &dev->maplist, link) |
| mapcount++; |
| |
| tempmaps = malloc(sizeof(drm_local_map_t) * mapcount, M_DRM, M_NOWAIT); |
| if (tempmaps == NULL) { |
| DRM_UNLOCK(); |
| return ENOMEM; |
| } |
| |
| i = 0; |
| TAILQ_FOREACH(map, &dev->maplist, link) |
| tempmaps[i++] = *map; |
| |
| DRM_UNLOCK(); |
| |
| DRM_SYSCTL_PRINT("\nslot offset size type flags " |
| "address mtrr\n"); |
| |
| for (i = 0; i < mapcount; i++) { |
| map = &tempmaps[i]; |
| |
| if (map->type < 0 || map->type > 4) |
| type = "??"; |
| else |
| type = types[map->type]; |
| |
| if (!map->mtrr) |
| yesno = "no"; |
| else |
| yesno = "yes"; |
| |
| DRM_SYSCTL_PRINT( |
| "%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx %s\n", i, |
| map->offset, map->size, type, map->flags, |
| (unsigned long)map->handle, yesno); |
| } |
| SYSCTL_OUT(req, "", 1); |
| |
| done: |
| free(tempmaps, M_DRM); |
| return retcode; |
| } |
| |
| static int drm_bufs_info DRM_SYSCTL_HANDLER_ARGS |
| { |
| drm_device_t *dev = arg1; |
| drm_device_dma_t *dma = dev->dma; |
| drm_device_dma_t tempdma; |
| int *templists; |
| int i; |
| char buf[128]; |
| int retcode; |
| |
| /* We can't hold the locks around DRM_SYSCTL_PRINT, so make a temporary |
| * copy of the whole structure and the relevant data from buflist. |
| */ |
| DRM_LOCK(); |
| if (dma == NULL) { |
| DRM_UNLOCK(); |
| return 0; |
| } |
| DRM_SPINLOCK(&dev->dma_lock); |
| tempdma = *dma; |
| templists = malloc(sizeof(int) * dma->buf_count, M_DRM, M_NOWAIT); |
| for (i = 0; i < dma->buf_count; i++) |
| templists[i] = dma->buflist[i]->list; |
| dma = &tempdma; |
| DRM_SPINUNLOCK(&dev->dma_lock); |
| DRM_UNLOCK(); |
| |
| DRM_SYSCTL_PRINT("\n o size count free segs pages kB\n"); |
| for (i = 0; i <= DRM_MAX_ORDER; i++) { |
| if (dma->bufs[i].buf_count) |
| DRM_SYSCTL_PRINT("%2d %8d %5d %5d %5d %5d %5d\n", |
| i, |
| dma->bufs[i].buf_size, |
| dma->bufs[i].buf_count, |
| atomic_read(&dma->bufs[i] |
| .freelist.count), |
| dma->bufs[i].seg_count, |
| dma->bufs[i].seg_count |
| *(1 << dma->bufs[i].page_order), |
| (dma->bufs[i].seg_count |
| * (1 << dma->bufs[i].page_order)) |
| * PAGE_SIZE / 1024); |
| } |
| DRM_SYSCTL_PRINT("\n"); |
| for (i = 0; i < dma->buf_count; i++) { |
| if (i && !(i%32)) DRM_SYSCTL_PRINT("\n"); |
| DRM_SYSCTL_PRINT(" %d", templists[i]); |
| } |
| DRM_SYSCTL_PRINT("\n"); |
| |
| SYSCTL_OUT(req, "", 1); |
| done: |
| free(templists, M_DRM); |
| return retcode; |
| } |
| |
| static int drm_clients_info DRM_SYSCTL_HANDLER_ARGS |
| { |
| drm_device_t *dev = arg1; |
| drm_file_t *priv, *tempprivs; |
| char buf[128]; |
| int retcode; |
| int privcount, i; |
| |
| DRM_LOCK(); |
| |
| privcount = 0; |
| TAILQ_FOREACH(priv, &dev->files, link) |
| privcount++; |
| |
| tempprivs = malloc(sizeof(drm_file_t) * privcount, M_DRM, M_NOWAIT); |
| if (tempprivs == NULL) { |
| DRM_UNLOCK(); |
| return ENOMEM; |
| } |
| i = 0; |
| TAILQ_FOREACH(priv, &dev->files, link) |
| tempprivs[i++] = *priv; |
| |
| DRM_UNLOCK(); |
| |
| DRM_SYSCTL_PRINT("\na dev pid uid magic ioctls\n"); |
| for (i = 0; i < privcount; i++) { |
| priv = &tempprivs[i]; |
| DRM_SYSCTL_PRINT("%c %3d %5d %5d %10u %10lu\n", |
| priv->authenticated ? 'y' : 'n', |
| priv->minor, |
| priv->pid, |
| priv->uid, |
| priv->magic, |
| priv->ioctl_count); |
| } |
| |
| SYSCTL_OUT(req, "", 1); |
| done: |
| free(tempprivs, M_DRM); |
| return retcode; |
| } |