/** * \file drm_info.c * DRM info file implementations * * \author Ben Gamari */ /* * Created: Sun Dec 21 13:09:50 2008 by bgamari@gmail.com * * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas. * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California. * Copyright 2008 Ben Gamari * 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 * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS 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 #include "drmP.h" /** * Called when "/proc/dri/.../name" is read. * * Prints the device name together with the bus id if available. */ int drm_name_info(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_minor *minor = node->minor; struct drm_device *dev = minor->dev; struct drm_master *master = minor->master; if (!master) return 0; if (master->unique) { seq_printf(m, "%s %s %s\n", dev->driver->pci_driver.name, pci_name(dev->pdev), master->unique); } else { seq_printf(m, "%s %s\n", dev->driver->pci_driver.name, pci_name(dev->pdev)); } return 0; } /** * Called when "/proc/dri/.../vm" is read. * * Prints information about all mappings in drm_device::maplist. */ int drm_vm_info(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; struct drm_local_map *map; struct drm_map_list *r_list; /* Hardcoded from _DRM_FRAME_BUFFER, _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and _DRM_SCATTER_GATHER and _DRM_CONSISTENT */ const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" }; const char *type; int i; mutex_lock(&dev->struct_mutex); seq_printf(m, "slot offset size type flags address mtrr\n\n"); i = 0; list_for_each_entry(r_list, &dev->maplist, head) { map = r_list->map; if (!map) continue; if (map->type < 0 || map->type > 5) type = "??"; else type = types[map->type]; seq_printf(m, "%4d 0x%016llx 0x%08lx %4.4s 0x%02x 0x%08lx ", i, (unsigned long long)map->offset, map->size, type, map->flags, (unsigned long) r_list->user_token); if (map->mtrr < 0) seq_printf(m, "none\n"); else seq_printf(m, "%4d\n", map->mtrr); i++; } mutex_unlock(&dev->struct_mutex); return 0; } /** * Called when "/proc/dri/.../queues" is read. */ int drm_queues_info(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; int i; struct drm_queue *q; mutex_lock(&dev->struct_mutex); seq_printf(m, " ctx/flags use fin" " blk/rw/rwf wait flushed queued" " locks\n\n"); for (i = 0; i < dev->queue_count; i++) { q = dev->queuelist[i]; atomic_inc(&q->use_count); seq_printf(m, "%5d/0x%03x %5d %5d" " %5d/%c%c/%c%c%c %5Zd\n", i, q->flags, atomic_read(&q->use_count), atomic_read(&q->finalization), atomic_read(&q->block_count), atomic_read(&q->block_read) ? 'r' : '-', atomic_read(&q->block_write) ? 'w' : '-', waitqueue_active(&q->read_queue) ? 'r' : '-', waitqueue_active(&q->write_queue) ? 'w' : '-', waitqueue_active(&q->flush_queue) ? 'f' : '-', DRM_BUFCOUNT(&q->waitlist)); atomic_dec(&q->use_count); } mutex_unlock(&dev->struct_mutex); return 0; } /** * Called when "/proc/dri/.../bufs" is read. */ int drm_bufs_info(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; struct drm_device_dma *dma; int i, seg_pages; mutex_lock(&dev->struct_mutex); dma = dev->dma; if (!dma) { mutex_unlock(&dev->struct_mutex); return 0; } seq_printf(m, " o size count free segs pages kB\n\n"); for (i = 0; i <= DRM_MAX_ORDER; i++) { if (dma->bufs[i].buf_count) { seg_pages = dma->bufs[i].seg_count * (1 << dma->bufs[i].page_order); seq_printf(m, "%2d %8d %5d %5d %5d %5d %5ld\n", i, dma->bufs[i].buf_size, dma->bufs[i].buf_count, atomic_read(&dma->bufs[i].freelist.count), dma->bufs[i].seg_count, seg_pages, seg_pages * PAGE_SIZE / 1024); } } seq_printf(m, "\n"); for (i = 0; i < dma->buf_count; i++) { if (i && !(i % 32)) seq_printf(m, "\n"); seq_printf(m, " %d", dma->buflist[i]->list); } seq_printf(m, "\n"); mutex_unlock(&dev->struct_mutex); return 0; } /** * Called when "/proc/dri/.../vblank" is read. */ int drm_vblank_info(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; int crtc; mutex_lock(&dev->struct_mutex); for (crtc = 0; crtc < dev->num_crtcs; crtc++) { seq_printf(m, "CRTC %d enable: %d\n", crtc, atomic_read(&dev->vblank_refcount[crtc])); seq_printf(m, "CRTC %d counter: %d\n", crtc, drm_vblank_count(dev, crtc)); seq_printf(m, "CRTC %d last wait: %d\n", crtc, dev->last_vblank_wait[crtc]); seq_printf(m, "CRTC %d in modeset: %d\n", crtc, dev->vblank_inmodeset[crtc]); } mutex_unlock(&dev->struct_mutex); return 0; } /** * Called when "/proc/dri/.../clients" is read. * */ int drm_clients_info(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; struct drm_file *priv; mutex_lock(&dev->struct_mutex); seq_printf(m, "a dev pid uid magic ioctls\n\n"); list_for_each_entry(priv, &dev->filelist, lhead) { seq_printf(m, "%c %3d %5d %5d %10u %10lu\n", priv->authenticated ? 'y' : 'n', priv->minor->index, priv->pid, priv->uid, priv->magic, priv->ioctl_count); } mutex_unlock(&dev->struct_mutex); return 0; } #if DRM_DEBUG_CODE int drm_vma_info(struct seq_file *m, void *data) { struct drm_info_node *node = (struct drm_info_node *) m->private; struct drm_device *dev = node->minor->dev; struct drm_vma_entry *pt; struct vm_area_struct *vma; #if defined(__i386__) unsigned int pgprot; #endif mutex_lock(&dev->struct_mutex); seq_printf(m, "vma use count: %d, high_memory = %p, 0x%08llx\n", atomic_read(&dev->vma_count), high_memory, (u64)virt_to_phys(high_memory)); list_for_each_entry(pt, &dev->vmalist, head) { vma = pt->vma; if (!vma) continue; seq_printf(m, "\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx000", pt->pid, vma->vm_start, vma->vm_end, vma->vm_flags & VM_READ ? 'r' : '-', vma->vm_flags & VM_WRITE ? 'w' : '-', vma->vm_flags & VM_EXEC ? 'x' : '-', vma->vm_flags & VM_MAYSHARE ? 's' : 'p', vma->vm_flags & VM_LOCKED ? 'l' : '-', vma->vm_flags & VM_IO ? 'i' : '-', vma->vm_pgoff); #if defined(__i386__) pgprot = pgprot_val(vma->vm_page_prot); seq_printf(m, " %c%c%c%c%c%c%c%c%c", pgprot & _PAGE_PRESENT ? 'p' : '-', pgprot & _PAGE_RW ? 'w' : 'r', pgprot & _PAGE_USER ? 'u' : 's', pgprot & _PAGE_PWT ? 't' : 'b', pgprot & _PAGE_PCD ? 'u' : 'c', pgprot & _PAGE_ACCESSED ? 'a' : '-', pgprot & _PAGE_DIRTY ? 'd' : '-', pgprot & _PAGE_PSE ? 'm' : 'k', pgprot & _PAGE_GLOBAL ? 'g' : 'l'); #endif seq_printf(m, "\n"); } mutex_unlock(&dev->struct_mutex); return 0; } #endif