--- /dev/null
+/**
+ * \file drm_info.c
+ * DRM info file implementations
+ *
+ * \author Ben Gamari <bgamari@gmail.com>
+ */
+
+/*
+ * 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 <bgamari@gmail.com>
+ * 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 <linux/seq_file.h>
+#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_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%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ",
+ i,
+ 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;
+}
+
+
+int drm_gem_one_name_info(int id, void *ptr, void *data)
+{
+ struct drm_gem_object *obj = ptr;
+ struct seq_file *m = data;
+
+ seq_printf(m, "name %d size %zd\n", obj->name, obj->size);
+
+ seq_printf(m, "%6d %8zd %7d %8d\n",
+ obj->name, obj->size,
+ atomic_read(&obj->handlecount.refcount),
+ atomic_read(&obj->refcount.refcount));
+ return 0;
+}
+
+int drm_gem_name_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;
+
+ seq_printf(m, " name size handles refcount\n");
+ idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, m);
+ return 0;
+}
+
+int drm_gem_object_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;
+
+ seq_printf(m, "%d objects\n", atomic_read(&dev->object_count));
+ seq_printf(m, "%d object bytes\n", atomic_read(&dev->object_memory));
+ seq_printf(m, "%d pinned\n", atomic_read(&dev->pin_count));
+ seq_printf(m, "%d pin bytes\n", atomic_read(&dev->pin_memory));
+ seq_printf(m, "%d gtt bytes\n", atomic_read(&dev->gtt_memory));
+ seq_printf(m, "%d gtt total\n", dev->gtt_total);
+ 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%08lx\n",
+ atomic_read(&dev->vma_count),
+ high_memory, 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
+
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