[deliverable/linux.git] / drivers / gpu / drm / drm_info.c

/**
 * \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 <drm/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->name,
			   dev_name(dev->dev), master->unique);
	} else {
		seq_printf(m, "%s %s\n",
			   dev->driver->name, dev_name(dev->dev));
	}
	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/.../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,
				   0,
				   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[crtc].refcount));
		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->vblank[crtc].last_wait);
		seq_printf(m, "CRTC %d in modeset: %d\n",
			   crtc, dev->vblank[crtc].inmodeset);
	}
	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\n\n");
	list_for_each_entry(priv, &dev->filelist, lhead) {
		seq_printf(m, "%c %3d %5d %5d %10u\n",
			   priv->authenticated ? 'y' : 'n',
			   priv->minor->index,
			   pid_vnr(priv->pid),
			   from_kuid_munged(seq_user_ns(m), priv->uid),
			   priv->magic);
	}
	mutex_unlock(&dev->struct_mutex);
	return 0;
}


static 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, "%6d %8zd %7d %8d\n",
		   obj->name, obj->size,
		   obj->handle_count,
		   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");

	mutex_lock(&dev->object_name_lock);
	idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, m);
	mutex_unlock(&dev->object_name_lock);

	return 0;
}
Commit	Line	Data
955b12de BG	1	/**
	2	* \file drm_info.c
	3	* DRM info file implementations
	4	*
	5	* \author Ben Gamari <bgamari@gmail.com>
	6	*/
	7
	8	/*
	9	* Created: Sun Dec 21 13:09:50 2008 by bgamari@gmail.com
	10	*
	11	* Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
	12	* Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
	13	* Copyright 2008 Ben Gamari <bgamari@gmail.com>
	14	* All Rights Reserved.
	15	*
	16	* Permission is hereby granted, free of charge, to any person obtaining a
	17	* copy of this software and associated documentation files (the "Software"),
	18	* to deal in the Software without restriction, including without limitation
	19	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	20	* and/or sell copies of the Software, and to permit persons to whom the
	21	* Software is furnished to do so, subject to the following conditions:
	22	*
	23	* The above copyright notice and this permission notice (including the next
	24	* paragraph) shall be included in all copies or substantial portions of the
	25	* Software.
	26	*
	27	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	28	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	29	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	30	* VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
	31	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
	32	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
	33	* OTHER DEALINGS IN THE SOFTWARE.
	34	*/
	35
	36	#include <linux/seq_file.h>
760285e7	37	#include <drm/drmP.h>
955b12de BG	38
	39	/**
	40	* Called when "/proc/dri/.../name" is read.
	41	*
	42	* Prints the device name together with the bus id if available.
	43	*/
	44	int drm_name_info(struct seq_file m, void data)
	45	{
	46	struct drm_info_node node = (struct drm_info_node ) m->private;
	47	struct drm_minor *minor = node->minor;
	48	struct drm_device *dev = minor->dev;
	49	struct drm_master *master = minor->master;
955b12de BG	50	if (!master)
	51	return 0;
	52
8410ea3b DA	53	if (master->unique) {
8410ea3b DA	54	seq_printf(m, "%s %s %s\n",
9de1b51f	55	dev->driver->name,
8410ea3b	56	dev_name(dev->dev), master->unique);
955b12de	57	} else {
8410ea3b	58	seq_printf(m, "%s %s\n",
9de1b51f	59	dev->driver->name, dev_name(dev->dev));
955b12de	60	}
955b12de BG	61	return 0;
	62	}
	63
	64	/**
	65	* Called when "/proc/dri/.../vm" is read.
	66	*
	67	* Prints information about all mappings in drm_device::maplist.
	68	*/
	69	int drm_vm_info(struct seq_file m, void data)
	70	{
	71	struct drm_info_node node = (struct drm_info_node ) m->private;
	72	struct drm_device *dev = node->minor->dev;
1847a549	73	struct drm_local_map *map;
955b12de BG	74	struct drm_map_list *r_list;
	75
	76	/* Hardcoded from _DRM_FRAME_BUFFER,
	77	_DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and
	78	_DRM_SCATTER_GATHER and _DRM_CONSISTENT */
	79	const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" };
	80	const char *type;
	81	int i;
	82
	83	mutex_lock(&dev->struct_mutex);
	84	seq_printf(m, "slot offset size type flags address mtrr\n\n");
	85	i = 0;
	86	list_for_each_entry(r_list, &dev->maplist, head) {
	87	map = r_list->map;
	88	if (!map)
	89	continue;
	90	if (map->type < 0 \|\| map->type > 5)
	91	type = "??";
	92	else
	93	type = types[map->type];
	94
1847a549	95	seq_printf(m, "%4d 0x%016llx 0x%08lx %4.4s 0x%02x 0x%08lx ",
955b12de	96	i,
1847a549	97	(unsigned long long)map->offset,
955b12de BG	98	map->size, type, map->flags,
	99	(unsigned long) r_list->user_token);
	100	if (map->mtrr < 0)
	101	seq_printf(m, "none\n");
	102	else
	103	seq_printf(m, "%4d\n", map->mtrr);
	104	i++;
	105	}
	106	mutex_unlock(&dev->struct_mutex);
	107	return 0;
	108	}
	109
955b12de BG	110	/**
	111	* Called when "/proc/dri/.../bufs" is read.
	112	*/
	113	int drm_bufs_info(struct seq_file m, void data)
	114	{
	115	struct drm_info_node node = (struct drm_info_node ) m->private;
	116	struct drm_device *dev = node->minor->dev;
	117	struct drm_device_dma *dma;
	118	int i, seg_pages;
	119
	120	mutex_lock(&dev->struct_mutex);
	121	dma = dev->dma;
	122	if (!dma) {
	123	mutex_unlock(&dev->struct_mutex);
	124	return 0;
	125	}
	126
	127	seq_printf(m, " o size count free segs pages kB\n\n");
	128	for (i = 0; i <= DRM_MAX_ORDER; i++) {
	129	if (dma->bufs[i].buf_count) {
	130	seg_pages = dma->bufs[i].seg_count * (1 << dma->bufs[i].page_order);
	131	seq_printf(m, "%2d %8d %5d %5d %5d %5d %5ld\n",
	132	i,
	133	dma->bufs[i].buf_size,
	134	dma->bufs[i].buf_count,
b008c0fc	135	0,
955b12de BG	136	dma->bufs[i].seg_count,
	137	seg_pages,
	138	seg_pages * PAGE_SIZE / 1024);
	139	}
	140	}
	141	seq_printf(m, "\n");
	142	for (i = 0; i < dma->buf_count; i++) {
	143	if (i && !(i % 32))
	144	seq_printf(m, "\n");
	145	seq_printf(m, " %d", dma->buflist[i]->list);
	146	}
	147	seq_printf(m, "\n");
	148	mutex_unlock(&dev->struct_mutex);
	149	return 0;
	150	}
	151
	152	/**
	153	* Called when "/proc/dri/.../vblank" is read.
	154	*/
	155	int drm_vblank_info(struct seq_file m, void data)
	156	{
	157	struct drm_info_node node = (struct drm_info_node ) m->private;
	158	struct drm_device *dev = node->minor->dev;
	159	int crtc;
	160
	161	mutex_lock(&dev->struct_mutex);
	162	for (crtc = 0; crtc < dev->num_crtcs; crtc++) {
	163	seq_printf(m, "CRTC %d enable: %d\n",
5380e929	164	crtc, atomic_read(&dev->vblank[crtc].refcount));
955b12de BG	165	seq_printf(m, "CRTC %d counter: %d\n",
	166	crtc, drm_vblank_count(dev, crtc));
	167	seq_printf(m, "CRTC %d last wait: %d\n",
5380e929	168	crtc, dev->vblank[crtc].last_wait);
955b12de	169	seq_printf(m, "CRTC %d in modeset: %d\n",
5380e929	170	crtc, dev->vblank[crtc].inmodeset);
955b12de BG	171	}
	172	mutex_unlock(&dev->struct_mutex);
	173	return 0;
	174	}
	175
	176	/**
	177	* Called when "/proc/dri/.../clients" is read.
	178	*
	179	*/
	180	int drm_clients_info(struct seq_file m, void data)
	181	{
	182	struct drm_info_node node = (struct drm_info_node ) m->private;
	183	struct drm_device *dev = node->minor->dev;
	184	struct drm_file *priv;
	185
	186	mutex_lock(&dev->struct_mutex);
5952fba5	187	seq_printf(m, "a dev pid uid magic\n\n");
955b12de	188	list_for_each_entry(priv, &dev->filelist, lhead) {
5952fba5	189	seq_printf(m, "%c %3d %5d %5d %10u\n",
955b12de BG	190	priv->authenticated ? 'y' : 'n',
955b12de BG	191	priv->minor->index,
5fce5e0b EB	192	pid_vnr(priv->pid),
5fce5e0b EB	193	from_kuid_munged(seq_user_ns(m), priv->uid),
5952fba5	194	priv->magic);
955b12de BG	195	}
	196	mutex_unlock(&dev->struct_mutex);
	197	return 0;
	198	}
	199
	200
b375de0b	201	static int drm_gem_one_name_info(int id, void ptr, void data)
955b12de BG	202	{
	203	struct drm_gem_object *obj = ptr;
	204	struct seq_file *m = data;
	205
955b12de BG	206	seq_printf(m, "%6d %8zd %7d %8d\n",
955b12de BG	207	obj->name, obj->size,
a8e11d1c	208	obj->handle_count,
955b12de BG	209	atomic_read(&obj->refcount.refcount));
	210	return 0;
	211	}
	212
	213	int drm_gem_name_info(struct seq_file m, void data)
	214	{
	215	struct drm_info_node node = (struct drm_info_node ) m->private;
	216	struct drm_device *dev = node->minor->dev;
	217
	218	seq_printf(m, " name size handles refcount\n");
90254ac0	219
cd4f013f	220	mutex_lock(&dev->object_name_lock);
955b12de	221	idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, m);
cd4f013f	222	mutex_unlock(&dev->object_name_lock);
90254ac0	223
955b12de BG	224	return 0;
955b12de BG	225	}