[mirror_ubuntu-zesty-kernel.git] / drivers / gpu / drm / i915 / i915_gem_debugfs.c

/*
 * Copyright © 2008 Intel Corporation
 *
 * 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
 * THE AUTHORS OR COPYRIGHT HOLDERS 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.
 *
 * Authors:
 *    Eric Anholt <eric@anholt.net>
 *    Keith Packard <keithp@keithp.com>
 *
 */

#include <linux/seq_file.h>
#include "drmP.h"
#include "drm.h"
#include "i915_drm.h"
#include "i915_drv.h"

#define DRM_I915_RING_DEBUG 1


#if defined(CONFIG_DEBUG_FS)

#define ACTIVE_LIST	1
#define FLUSHING_LIST	2
#define INACTIVE_LIST	3

static const char *get_pin_flag(struct drm_i915_gem_object *obj_priv)
{
	if (obj_priv->user_pin_count > 0)
		return "P";
	else if (obj_priv->pin_count > 0)
		return "p";
	else
		return " ";
}

static const char *get_tiling_flag(struct drm_i915_gem_object *obj_priv)
{
    switch (obj_priv->tiling_mode) {
    default:
    case I915_TILING_NONE: return " ";
    case I915_TILING_X: return "X";
    case I915_TILING_Y: return "Y";
    }
}

static int i915_gem_object_list_info(struct seq_file *m, void *data)
{
	struct drm_info_node *node = (struct drm_info_node *) m->private;
	uintptr_t list = (uintptr_t) node->info_ent->data;
	struct list_head *head;
	struct drm_device *dev = node->minor->dev;
	drm_i915_private_t *dev_priv = dev->dev_private;
	struct drm_i915_gem_object *obj_priv;
	spinlock_t *lock = NULL;

	switch (list) {
	case ACTIVE_LIST:
		seq_printf(m, "Active:\n");
		lock = &dev_priv->mm.active_list_lock;
		spin_lock(lock);
		head = &dev_priv->mm.active_list;
		break;
	case INACTIVE_LIST:
		seq_printf(m, "Inctive:\n");
		head = &dev_priv->mm.inactive_list;
		break;
	case FLUSHING_LIST:
		seq_printf(m, "Flushing:\n");
		head = &dev_priv->mm.flushing_list;
		break;
	default:
		DRM_INFO("Ooops, unexpected list\n");
		return 0;
	}

	list_for_each_entry(obj_priv, head, list)
	{
		struct drm_gem_object *obj = obj_priv->obj;

		seq_printf(m, "    %p: %s %08x %08x %d",
			   obj,
			   get_pin_flag(obj_priv),
			   obj->read_domains, obj->write_domain,
			   obj_priv->last_rendering_seqno);

		if (obj->name)
			seq_printf(m, " (name: %d)", obj->name);
		if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
			seq_printf(m, " (fence: %d)", obj_priv->fence_reg);
		if (obj_priv->gtt_space != NULL)
			seq_printf(m, " (gtt_offset: %08x)", obj_priv->gtt_offset);

		seq_printf(m, "\n");
	}

	if (lock)
	    spin_unlock(lock);
	return 0;
}

static int i915_gem_request_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;
	drm_i915_private_t *dev_priv = dev->dev_private;
	struct drm_i915_gem_request *gem_request;

	seq_printf(m, "Request:\n");
	list_for_each_entry(gem_request, &dev_priv->mm.request_list, list) {
		seq_printf(m, "    %d @ %d\n",
			   gem_request->seqno,
			   (int) (jiffies - gem_request->emitted_jiffies));
	}
	return 0;
}

static int i915_gem_seqno_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;
	drm_i915_private_t *dev_priv = dev->dev_private;

	if (dev_priv->hw_status_page != NULL) {
		seq_printf(m, "Current sequence: %d\n",
			   i915_get_gem_seqno(dev));
	} else {
		seq_printf(m, "Current sequence: hws uninitialized\n");
	}
	seq_printf(m, "Waiter sequence:  %d\n",
			dev_priv->mm.waiting_gem_seqno);
	seq_printf(m, "IRQ sequence:     %d\n", dev_priv->mm.irq_gem_seqno);
	return 0;
}


static int i915_interrupt_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;
	drm_i915_private_t *dev_priv = dev->dev_private;

	seq_printf(m, "Interrupt enable:    %08x\n",
		   I915_READ(IER));
	seq_printf(m, "Interrupt identity:  %08x\n",
		   I915_READ(IIR));
	seq_printf(m, "Interrupt mask:      %08x\n",
		   I915_READ(IMR));
	seq_printf(m, "Pipe A stat:         %08x\n",
		   I915_READ(PIPEASTAT));
	seq_printf(m, "Pipe B stat:         %08x\n",
		   I915_READ(PIPEBSTAT));
	seq_printf(m, "Interrupts received: %d\n",
		   atomic_read(&dev_priv->irq_received));
	if (dev_priv->hw_status_page != NULL) {
		seq_printf(m, "Current sequence:    %d\n",
			   i915_get_gem_seqno(dev));
	} else {
		seq_printf(m, "Current sequence:    hws uninitialized\n");
	}
	seq_printf(m, "Waiter sequence:     %d\n",
		   dev_priv->mm.waiting_gem_seqno);
	seq_printf(m, "IRQ sequence:        %d\n",
		   dev_priv->mm.irq_gem_seqno);
	return 0;
}

static int i915_gem_fence_regs_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;
	drm_i915_private_t *dev_priv = dev->dev_private;
	int i;

	seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start);
	seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs);
	for (i = 0; i < dev_priv->num_fence_regs; i++) {
		struct drm_gem_object *obj = dev_priv->fence_regs[i].obj;

		if (obj == NULL) {
			seq_printf(m, "Fenced object[%2d] = unused\n", i);
		} else {
			struct drm_i915_gem_object *obj_priv;

			obj_priv = obj->driver_private;
			seq_printf(m, "Fenced object[%2d] = %p: %s "
				   "%08x %08zx %08x %s %08x %08x %d",
				   i, obj, get_pin_flag(obj_priv),
				   obj_priv->gtt_offset,
				   obj->size, obj_priv->stride,
				   get_tiling_flag(obj_priv),
				   obj->read_domains, obj->write_domain,
				   obj_priv->last_rendering_seqno);
			if (obj->name)
				seq_printf(m, " (name: %d)", obj->name);
			seq_printf(m, "\n");
		}
	}

	return 0;
}

static int i915_hws_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;
	drm_i915_private_t *dev_priv = dev->dev_private;
	int i;
	volatile u32 *hws;

	hws = (volatile u32 *)dev_priv->hw_status_page;
	if (hws == NULL)
		return 0;

	for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) {
		seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
			   i * 4,
			   hws[i], hws[i + 1], hws[i + 2], hws[i + 3]);
	}
	return 0;
}

static void i915_dump_pages(struct seq_file *m, struct page **pages, int page_count)
{
	int page, i;
	uint32_t *mem;

	for (page = 0; page < page_count; page++) {
		mem = kmap(pages[page]);
		for (i = 0; i < PAGE_SIZE; i += 4)
			seq_printf(m, "%08x :  %08x\n", i, mem[i / 4]);
		kunmap(pages[page]);
	}
}

static int i915_batchbuffer_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;
	drm_i915_private_t *dev_priv = dev->dev_private;
	struct drm_gem_object *obj;
	struct drm_i915_gem_object *obj_priv;
	int ret;

	spin_lock(&dev_priv->mm.active_list_lock);

	list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
		obj = obj_priv->obj;
		if (obj->read_domains & I915_GEM_DOMAIN_COMMAND) {
		    ret = i915_gem_object_get_pages(obj);
		    if (ret) {
			    DRM_ERROR("Failed to get pages: %d\n", ret);
			    spin_unlock(&dev_priv->mm.active_list_lock);
			    return ret;
		    }

		    seq_printf(m, "--- gtt_offset = 0x%08x\n", obj_priv->gtt_offset);
		    i915_dump_pages(m, obj_priv->pages, obj->size / PAGE_SIZE);

		    i915_gem_object_put_pages(obj);
		}
	}

	spin_unlock(&dev_priv->mm.active_list_lock);

	return 0;
}

static int i915_ringbuffer_data(struct seq_file *m, void *data)
{
	struct drm_info_node *node = (struct drm_info_node *) m->private;
	struct drm_device *dev = node->minor->dev;
	drm_i915_private_t *dev_priv = dev->dev_private;
	u8 *virt;
	uint32_t *ptr, off;

	if (!dev_priv->ring.ring_obj) {
		seq_printf(m, "No ringbuffer setup\n");
		return 0;
	}

	virt = dev_priv->ring.virtual_start;

	for (off = 0; off < dev_priv->ring.Size; off += 4) {
		ptr = (uint32_t *)(virt + off);
		seq_printf(m, "%08x :  %08x\n", off, *ptr);
	}

	return 0;
}

static int i915_ringbuffer_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;
	drm_i915_private_t *dev_priv = dev->dev_private;
	unsigned int head, tail, mask;

	head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
	tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
	mask = dev_priv->ring.tail_mask;

	seq_printf(m, "RingHead :  %08x\n", head);
	seq_printf(m, "RingTail :  %08x\n", tail);
	seq_printf(m, "RingMask :  %08x\n", mask);
	seq_printf(m, "RingSize :  %08lx\n", dev_priv->ring.Size);
	seq_printf(m, "Acthd :     %08x\n", I915_READ(IS_I965G(dev) ? ACTHD_I965 : ACTHD));

	return 0;
}

static int i915_error_state(struct seq_file *m, void *unused)
{
	struct drm_info_node *node = (struct drm_info_node *) m->private;
	struct drm_device *dev = node->minor->dev;
	drm_i915_private_t *dev_priv = dev->dev_private;
	struct drm_i915_error_state *error;
	unsigned long flags;

	spin_lock_irqsave(&dev_priv->error_lock, flags);
	if (!dev_priv->first_error) {
		seq_printf(m, "no error state collected\n");
		goto out;
	}

	error = dev_priv->first_error;

	seq_printf(m, "EIR: 0x%08x\n", error->eir);
	seq_printf(m, "  PGTBL_ER: 0x%08x\n", error->pgtbl_er);
	seq_printf(m, "  INSTPM: 0x%08x\n", error->instpm);
	seq_printf(m, "  IPEIR: 0x%08x\n", error->ipeir);
	seq_printf(m, "  IPEHR: 0x%08x\n", error->ipehr);
	seq_printf(m, "  INSTDONE: 0x%08x\n", error->instdone);
	seq_printf(m, "  ACTHD: 0x%08x\n", error->acthd);
	if (IS_I965G(dev)) {
		seq_printf(m, "  INSTPS: 0x%08x\n", error->instps);
		seq_printf(m, "  INSTDONE1: 0x%08x\n", error->instdone1);
	}

out:
	spin_unlock_irqrestore(&dev_priv->error_lock, flags);

	return 0;
}

static struct drm_info_list i915_gem_debugfs_list[] = {
	{"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
	{"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST},
	{"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},
	{"i915_gem_request", i915_gem_request_info, 0},
	{"i915_gem_seqno", i915_gem_seqno_info, 0},
	{"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
	{"i915_gem_interrupt", i915_interrupt_info, 0},
	{"i915_gem_hws", i915_hws_info, 0},
	{"i915_ringbuffer_data", i915_ringbuffer_data, 0},
	{"i915_ringbuffer_info", i915_ringbuffer_info, 0},
	{"i915_batchbuffers", i915_batchbuffer_info, 0},
	{"i915_error_state", i915_error_state, 0},
};
#define I915_GEM_DEBUGFS_ENTRIES ARRAY_SIZE(i915_gem_debugfs_list)

int i915_gem_debugfs_init(struct drm_minor *minor)
{
	return drm_debugfs_create_files(i915_gem_debugfs_list,
					I915_GEM_DEBUGFS_ENTRIES,
					minor->debugfs_root, minor);
}

void i915_gem_debugfs_cleanup(struct drm_minor *minor)
{
	drm_debugfs_remove_files(i915_gem_debugfs_list,
				 I915_GEM_DEBUGFS_ENTRIES, minor);
}

#endif /* CONFIG_DEBUG_FS */
Commit	Line	Data
2017263e BG	1	/*
	2	* Copyright © 2008 Intel Corporation
	3	*
	4	* Permission is hereby granted, free of charge, to any person obtaining a
	5	* copy of this software and associated documentation files (the "Software"),
	6	* to deal in the Software without restriction, including without limitation
	7	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
	8	* and/or sell copies of the Software, and to permit persons to whom the
	9	* Software is furnished to do so, subject to the following conditions:
	10	*
	11	* The above copyright notice and this permission notice (including the next
	12	* paragraph) shall be included in all copies or substantial portions of the
	13	* Software.
	14	*
	15	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	16	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	17	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	18	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	19	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
	20	* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
	21	* IN THE SOFTWARE.
	22	*
	23	* Authors:
	24	* Eric Anholt <eric@anholt.net>
	25	* Keith Packard <keithp@keithp.com>
	26	*
	27	*/
	28
	29	#include <linux/seq_file.h>
	30	#include "drmP.h"
	31	#include "drm.h"
	32	#include "i915_drm.h"
	33	#include "i915_drv.h"
	34
	35	#define DRM_I915_RING_DEBUG 1
	36
	37
	38	#if defined(CONFIG_DEBUG_FS)
	39
433e12f7 BG	40	#define ACTIVE_LIST 1
	41	#define FLUSHING_LIST 2
	42	#define INACTIVE_LIST 3
2017263e	43
a6172a80 CW	44	static const char get_pin_flag(struct drm_i915_gem_object obj_priv)
	45	{
	46	if (obj_priv->user_pin_count > 0)
	47	return "P";
	48	else if (obj_priv->pin_count > 0)
	49	return "p";
	50	else
	51	return " ";
	52	}
	53
	54	static const char get_tiling_flag(struct drm_i915_gem_object obj_priv)
	55	{
	56	switch (obj_priv->tiling_mode) {
	57	default:
	58	case I915_TILING_NONE: return " ";
	59	case I915_TILING_X: return "X";
	60	case I915_TILING_Y: return "Y";
	61	}
	62	}
	63
433e12f7	64	static int i915_gem_object_list_info(struct seq_file m, void data)
2017263e BG	65	{
2017263e BG	66	struct drm_info_node node = (struct drm_info_node ) m->private;
433e12f7 BG	67	uintptr_t list = (uintptr_t) node->info_ent->data;
433e12f7 BG	68	struct list_head *head;
2017263e BG	69	struct drm_device *dev = node->minor->dev;
	70	drm_i915_private_t *dev_priv = dev->dev_private;
	71	struct drm_i915_gem_object *obj_priv;
5e118f41	72	spinlock_t *lock = NULL;
2017263e	73
433e12f7 BG	74	switch (list) {
	75	case ACTIVE_LIST:
	76	seq_printf(m, "Active:\n");
5e118f41 CW	77	lock = &dev_priv->mm.active_list_lock;
5e118f41 CW	78	spin_lock(lock);
433e12f7 BG	79	head = &dev_priv->mm.active_list;
	80	break;
	81	case INACTIVE_LIST:
	82	seq_printf(m, "Inctive:\n");
	83	head = &dev_priv->mm.inactive_list;
	84	break;
	85	case FLUSHING_LIST:
	86	seq_printf(m, "Flushing:\n");
	87	head = &dev_priv->mm.flushing_list;
	88	break;
	89	default:
	90	DRM_INFO("Ooops, unexpected list\n");
	91	return 0;
2017263e	92	}
2017263e	93
433e12f7	94	list_for_each_entry(obj_priv, head, list)
2017263e BG	95	{
2017263e BG	96	struct drm_gem_object *obj = obj_priv->obj;
f4ceda89	97
f4ceda89 EA	98	seq_printf(m, " %p: %s %08x %08x %d",
f4ceda89 EA	99	obj,
a6172a80	100	get_pin_flag(obj_priv),
f4ceda89 EA	101	obj->read_domains, obj->write_domain,
	102	obj_priv->last_rendering_seqno);
	103
	104	if (obj->name)
	105	seq_printf(m, " (name: %d)", obj->name);
	106	if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
a01c75b3 BG	107	seq_printf(m, " (fence: %d)", obj_priv->fence_reg);
	108	if (obj_priv->gtt_space != NULL)
	109	seq_printf(m, " (gtt_offset: %08x)", obj_priv->gtt_offset);
	110
f4ceda89	111	seq_printf(m, "\n");
2017263e	112	}
5e118f41 CW	113
	114	if (lock)
	115	spin_unlock(lock);
2017263e BG	116	return 0;
	117	}
	118
	119	static int i915_gem_request_info(struct seq_file m, void data)
	120	{
	121	struct drm_info_node node = (struct drm_info_node ) m->private;
	122	struct drm_device *dev = node->minor->dev;
	123	drm_i915_private_t *dev_priv = dev->dev_private;
	124	struct drm_i915_gem_request *gem_request;
	125
	126	seq_printf(m, "Request:\n");
	127	list_for_each_entry(gem_request, &dev_priv->mm.request_list, list) {
	128	seq_printf(m, " %d @ %d\n",
	129	gem_request->seqno,
	130	(int) (jiffies - gem_request->emitted_jiffies));
	131	}
	132	return 0;
	133	}
	134
	135	static int i915_gem_seqno_info(struct seq_file m, void data)
	136	{
	137	struct drm_info_node node = (struct drm_info_node ) m->private;
	138	struct drm_device *dev = node->minor->dev;
	139	drm_i915_private_t *dev_priv = dev->dev_private;
	140
	141	if (dev_priv->hw_status_page != NULL) {
	142	seq_printf(m, "Current sequence: %d\n",
	143	i915_get_gem_seqno(dev));
	144	} else {
	145	seq_printf(m, "Current sequence: hws uninitialized\n");
	146	}
	147	seq_printf(m, "Waiter sequence: %d\n",
	148	dev_priv->mm.waiting_gem_seqno);
	149	seq_printf(m, "IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno);
	150	return 0;
	151	}
	152
	153
	154	static int i915_interrupt_info(struct seq_file m, void data)
	155	{
	156	struct drm_info_node node = (struct drm_info_node ) m->private;
	157	struct drm_device *dev = node->minor->dev;
	158	drm_i915_private_t *dev_priv = dev->dev_private;
	159
	160	seq_printf(m, "Interrupt enable: %08x\n",
	161	I915_READ(IER));
	162	seq_printf(m, "Interrupt identity: %08x\n",
	163	I915_READ(IIR));
	164	seq_printf(m, "Interrupt mask: %08x\n",
	165	I915_READ(IMR));
	166	seq_printf(m, "Pipe A stat: %08x\n",
	167	I915_READ(PIPEASTAT));
	168	seq_printf(m, "Pipe B stat: %08x\n",
	169	I915_READ(PIPEBSTAT));
	170	seq_printf(m, "Interrupts received: %d\n",
	171	atomic_read(&dev_priv->irq_received));
	172	if (dev_priv->hw_status_page != NULL) {
	173	seq_printf(m, "Current sequence: %d\n",
	174	i915_get_gem_seqno(dev));
	175	} else {
	176	seq_printf(m, "Current sequence: hws uninitialized\n");
	177	}
	178	seq_printf(m, "Waiter sequence: %d\n",
	179	dev_priv->mm.waiting_gem_seqno);
180	seq_printf(m, "IRQ sequence: %d\n",
181	dev_priv->mm.irq_gem_seqno);
182	return 0;
183	}
184
a6172a80 CW	185	static int i915_gem_fence_regs_info(struct seq_file m, void data)
	186	{
	187	struct drm_info_node node = (struct drm_info_node ) m->private;
	188	struct drm_device *dev = node->minor->dev;
	189	drm_i915_private_t *dev_priv = dev->dev_private;
	190	int i;
	191
	192	seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start);
	193	seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs);
	194	for (i = 0; i < dev_priv->num_fence_regs; i++) {
	195	struct drm_gem_object *obj = dev_priv->fence_regs[i].obj;
	196
	197	if (obj == NULL) {
	198	seq_printf(m, "Fenced object[%2d] = unused\n", i);
	199	} else {
	200	struct drm_i915_gem_object *obj_priv;
	201
	202	obj_priv = obj->driver_private;
	203	seq_printf(m, "Fenced object[%2d] = %p: %s "
0b4d569d	204	"%08x %08zx %08x %s %08x %08x %d",
a6172a80 CW	205	i, obj, get_pin_flag(obj_priv),
	206	obj_priv->gtt_offset,
	207	obj->size, obj_priv->stride,
	208	get_tiling_flag(obj_priv),
	209	obj->read_domains, obj->write_domain,
	210	obj_priv->last_rendering_seqno);
	211	if (obj->name)
	212	seq_printf(m, " (name: %d)", obj->name);
	213	seq_printf(m, "\n");
	214	}
	215	}
	216
	217	return 0;
	218	}
	219
2017263e BG	220	static int i915_hws_info(struct seq_file m, void data)
	221	{
	222	struct drm_info_node node = (struct drm_info_node ) m->private;
	223	struct drm_device *dev = node->minor->dev;
	224	drm_i915_private_t *dev_priv = dev->dev_private;
	225	int i;
	226	volatile u32 *hws;
	227
	228	hws = (volatile u32 *)dev_priv->hw_status_page;
	229	if (hws == NULL)
	230	return 0;
	231
	232	for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) {
	233	seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
	234	i * 4,
	235	hws[i], hws[i + 1], hws[i + 2], hws[i + 3]);
	236	}
	237	return 0;
	238	}
	239
6911a9b8 BG	240	static void i915_dump_pages(struct seq_file m, struct page *pages, int page_count)
	241	{
	242	int page, i;
	243	uint32_t *mem;
	244
	245	for (page = 0; page < page_count; page++) {
	246	mem = kmap(pages[page]);
	247	for (i = 0; i < PAGE_SIZE; i += 4)
	248	seq_printf(m, "%08x : %08x\n", i, mem[i / 4]);
	249	kunmap(pages[page]);
	250	}
	251	}
	252
	253	static int i915_batchbuffer_info(struct seq_file m, void data)
	254	{
	255	struct drm_info_node node = (struct drm_info_node ) m->private;
	256	struct drm_device *dev = node->minor->dev;
	257	drm_i915_private_t *dev_priv = dev->dev_private;
	258	struct drm_gem_object *obj;
	259	struct drm_i915_gem_object *obj_priv;
	260	int ret;
	261
	262	spin_lock(&dev_priv->mm.active_list_lock);
	263
	264	list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
	265	obj = obj_priv->obj;
	266	if (obj->read_domains & I915_GEM_DOMAIN_COMMAND) {
	267	ret = i915_gem_object_get_pages(obj);
	268	if (ret) {
	269	DRM_ERROR("Failed to get pages: %d\n", ret);
	270	spin_unlock(&dev_priv->mm.active_list_lock);
	271	return ret;
	272	}
	273
	274	seq_printf(m, "--- gtt_offset = 0x%08x\n", obj_priv->gtt_offset);
	275	i915_dump_pages(m, obj_priv->pages, obj->size / PAGE_SIZE);
	276
	277	i915_gem_object_put_pages(obj);
	278	}
	279	}
	280
	281	spin_unlock(&dev_priv->mm.active_list_lock);
	282
	283	return 0;
	284	}
	285
	286	static int i915_ringbuffer_data(struct seq_file m, void data)
	287	{
	288	struct drm_info_node node = (struct drm_info_node ) m->private;
	289	struct drm_device *dev = node->minor->dev;
	290	drm_i915_private_t *dev_priv = dev->dev_private;
	291	u8 *virt;
	292	uint32_t *ptr, off;
	293
	294	if (!dev_priv->ring.ring_obj) {
	295	seq_printf(m, "No ringbuffer setup\n");
	296	return 0;
	297	}
	298
	299	virt = dev_priv->ring.virtual_start;
	300
	301	for (off = 0; off < dev_priv->ring.Size; off += 4) {
	302	ptr = (uint32_t *)(virt + off);
	303	seq_printf(m, "%08x : %08x\n", off, *ptr);
304	}
305
306	return 0;
307	}
308
309	static int i915_ringbuffer_info(struct seq_file m, void data)
310	{
311	struct drm_info_node node = (struct drm_info_node ) m->private;
312	struct drm_device *dev = node->minor->dev;
313	drm_i915_private_t *dev_priv = dev->dev_private;
314	unsigned int head, tail, mask;
315
316	head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
317	tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
318	mask = dev_priv->ring.tail_mask;
319
320	seq_printf(m, "RingHead : %08x\n", head);
321	seq_printf(m, "RingTail : %08x\n", tail);
322	seq_printf(m, "RingMask : %08x\n", mask);
323	seq_printf(m, "RingSize : %08lx\n", dev_priv->ring.Size);
76cff81a	324	seq_printf(m, "Acthd : %08x\n", I915_READ(IS_I965G(dev) ? ACTHD_I965 : ACTHD));
6911a9b8 BG	325
	326	return 0;
	327	}
	328
63eeaf38 JB	329	static int i915_error_state(struct seq_file m, void unused)
	330	{
	331	struct drm_info_node node = (struct drm_info_node ) m->private;
	332	struct drm_device *dev = node->minor->dev;
	333	drm_i915_private_t *dev_priv = dev->dev_private;
	334	struct drm_i915_error_state *error;
	335	unsigned long flags;
	336
	337	spin_lock_irqsave(&dev_priv->error_lock, flags);
	338	if (!dev_priv->first_error) {
	339	seq_printf(m, "no error state collected\n");
	340	goto out;
	341	}
	342
	343	error = dev_priv->first_error;
	344
	345	seq_printf(m, "EIR: 0x%08x\n", error->eir);
	346	seq_printf(m, " PGTBL_ER: 0x%08x\n", error->pgtbl_er);
	347	seq_printf(m, " INSTPM: 0x%08x\n", error->instpm);
	348	seq_printf(m, " IPEIR: 0x%08x\n", error->ipeir);
	349	seq_printf(m, " IPEHR: 0x%08x\n", error->ipehr);
	350	seq_printf(m, " INSTDONE: 0x%08x\n", error->instdone);
	351	seq_printf(m, " ACTHD: 0x%08x\n", error->acthd);
	352	if (IS_I965G(dev)) {
	353	seq_printf(m, " INSTPS: 0x%08x\n", error->instps);
	354	seq_printf(m, " INSTDONE1: 0x%08x\n", error->instdone1);
	355	}
	356
	357	out:
	358	spin_unlock_irqrestore(&dev_priv->error_lock, flags);
	359
	360	return 0;
	361	}
6911a9b8	362
2017263e	363	static struct drm_info_list i915_gem_debugfs_list[] = {
433e12f7 BG	364	{"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
	365	{"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST},
	366	{"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},
2017263e BG	367	{"i915_gem_request", i915_gem_request_info, 0},
2017263e BG	368	{"i915_gem_seqno", i915_gem_seqno_info, 0},
a6172a80	369	{"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
2017263e BG	370	{"i915_gem_interrupt", i915_interrupt_info, 0},
2017263e BG	371	{"i915_gem_hws", i915_hws_info, 0},
6911a9b8 BG	372	{"i915_ringbuffer_data", i915_ringbuffer_data, 0},
	373	{"i915_ringbuffer_info", i915_ringbuffer_info, 0},
	374	{"i915_batchbuffers", i915_batchbuffer_info, 0},
63eeaf38	375	{"i915_error_state", i915_error_state, 0},
2017263e BG	376	};
	377	#define I915_GEM_DEBUGFS_ENTRIES ARRAY_SIZE(i915_gem_debugfs_list)
	378
	379	int i915_gem_debugfs_init(struct drm_minor *minor)
	380	{
	381	return drm_debugfs_create_files(i915_gem_debugfs_list,
	382	I915_GEM_DEBUGFS_ENTRIES,
	383	minor->debugfs_root, minor);
	384	}
	385
	386	void i915_gem_debugfs_cleanup(struct drm_minor *minor)
	387	{
	388	drm_debugfs_remove_files(i915_gem_debugfs_list,
	389	I915_GEM_DEBUGFS_ENTRIES, minor);
	390	}
	391
	392	#endif /* CONFIG_DEBUG_FS */
	393