[net-next-2.6.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;
		head = &dev_priv->mm.active_list;
		break;
	case INACTIVE_LIST:
		seq_printf(m, "Inactive:\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;
	}

	if (lock)
		spin_lock(lock);
	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, "Time: %ld s %ld us\n", error->time.tv_sec,
		   error->time.tv_usec);
	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	77	lock = &dev_priv->mm.active_list_lock;
433e12f7 BG	78	head = &dev_priv->mm.active_list;
	79	break;
	80	case INACTIVE_LIST:
a17458fc	81	seq_printf(m, "Inactive:\n");
433e12f7 BG	82	head = &dev_priv->mm.inactive_list;
	83	break;
	84	case FLUSHING_LIST:
	85	seq_printf(m, "Flushing:\n");
	86	head = &dev_priv->mm.flushing_list;
	87	break;
	88	default:
	89	DRM_INFO("Ooops, unexpected list\n");
	90	return 0;
2017263e	91	}
2017263e	92
a17458fc BG	93	if (lock)
a17458fc BG	94	spin_lock(lock);
433e12f7	95	list_for_each_entry(obj_priv, head, list)
2017263e BG	96	{
2017263e BG	97	struct drm_gem_object *obj = obj_priv->obj;
f4ceda89	98
f4ceda89 EA	99	seq_printf(m, " %p: %s %08x %08x %d",
f4ceda89 EA	100	obj,
a6172a80	101	get_pin_flag(obj_priv),
f4ceda89 EA	102	obj->read_domains, obj->write_domain,
	103	obj_priv->last_rendering_seqno);
	104
	105	if (obj->name)
	106	seq_printf(m, " (name: %d)", obj->name);
	107	if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
a01c75b3 BG	108	seq_printf(m, " (fence: %d)", obj_priv->fence_reg);
	109	if (obj_priv->gtt_space != NULL)
	110	seq_printf(m, " (gtt_offset: %08x)", obj_priv->gtt_offset);
	111
f4ceda89	112	seq_printf(m, "\n");
2017263e	113	}
5e118f41 CW	114
	115	if (lock)
	116	spin_unlock(lock);
2017263e BG	117	return 0;
	118	}
	119
	120	static int i915_gem_request_info(struct seq_file m, void data)
	121	{
	122	struct drm_info_node node = (struct drm_info_node ) m->private;
	123	struct drm_device *dev = node->minor->dev;
	124	drm_i915_private_t *dev_priv = dev->dev_private;
	125	struct drm_i915_gem_request *gem_request;
	126
	127	seq_printf(m, "Request:\n");
	128	list_for_each_entry(gem_request, &dev_priv->mm.request_list, list) {
	129	seq_printf(m, " %d @ %d\n",
	130	gem_request->seqno,
	131	(int) (jiffies - gem_request->emitted_jiffies));
	132	}
	133	return 0;
	134	}
	135
	136	static int i915_gem_seqno_info(struct seq_file m, void data)
	137	{
	138	struct drm_info_node node = (struct drm_info_node ) m->private;
	139	struct drm_device *dev = node->minor->dev;
	140	drm_i915_private_t *dev_priv = dev->dev_private;
	141
	142	if (dev_priv->hw_status_page != NULL) {
	143	seq_printf(m, "Current sequence: %d\n",
	144	i915_get_gem_seqno(dev));
	145	} else {
	146	seq_printf(m, "Current sequence: hws uninitialized\n");
	147	}
	148	seq_printf(m, "Waiter sequence: %d\n",
	149	dev_priv->mm.waiting_gem_seqno);
	150	seq_printf(m, "IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno);
	151	return 0;
	152	}
	153
	154
	155	static int i915_interrupt_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	drm_i915_private_t *dev_priv = dev->dev_private;
	160
	161	seq_printf(m, "Interrupt enable: %08x\n",
	162	I915_READ(IER));
	163	seq_printf(m, "Interrupt identity: %08x\n",
	164	I915_READ(IIR));
	165	seq_printf(m, "Interrupt mask: %08x\n",
	166	I915_READ(IMR));
	167	seq_printf(m, "Pipe A stat: %08x\n",
	168	I915_READ(PIPEASTAT));
	169	seq_printf(m, "Pipe B stat: %08x\n",
	170	I915_READ(PIPEBSTAT));
	171	seq_printf(m, "Interrupts received: %d\n",
	172	atomic_read(&dev_priv->irq_received));
	173	if (dev_priv->hw_status_page != NULL) {
	174	seq_printf(m, "Current sequence: %d\n",
	175	i915_get_gem_seqno(dev));
	176	} else {
	177	seq_printf(m, "Current sequence: hws uninitialized\n");
	178	}
	179	seq_printf(m, "Waiter sequence: %d\n",
	180	dev_priv->mm.waiting_gem_seqno);
181	seq_printf(m, "IRQ sequence: %d\n",
182	dev_priv->mm.irq_gem_seqno);
183	return 0;
184	}
185
a6172a80 CW	186	static int i915_gem_fence_regs_info(struct seq_file m, void data)
	187	{
	188	struct drm_info_node node = (struct drm_info_node ) m->private;
	189	struct drm_device *dev = node->minor->dev;
	190	drm_i915_private_t *dev_priv = dev->dev_private;
	191	int i;
	192
	193	seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start);
	194	seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs);
	195	for (i = 0; i < dev_priv->num_fence_regs; i++) {
	196	struct drm_gem_object *obj = dev_priv->fence_regs[i].obj;
	197
	198	if (obj == NULL) {
	199	seq_printf(m, "Fenced object[%2d] = unused\n", i);
	200	} else {
	201	struct drm_i915_gem_object *obj_priv;
	202
	203	obj_priv = obj->driver_private;
	204	seq_printf(m, "Fenced object[%2d] = %p: %s "
0b4d569d	205	"%08x %08zx %08x %s %08x %08x %d",
a6172a80 CW	206	i, obj, get_pin_flag(obj_priv),
	207	obj_priv->gtt_offset,
	208	obj->size, obj_priv->stride,
	209	get_tiling_flag(obj_priv),
	210	obj->read_domains, obj->write_domain,
	211	obj_priv->last_rendering_seqno);
	212	if (obj->name)
	213	seq_printf(m, " (name: %d)", obj->name);
	214	seq_printf(m, "\n");
	215	}
	216	}
	217
	218	return 0;
	219	}
	220
2017263e BG	221	static int i915_hws_info(struct seq_file m, void data)
	222	{
	223	struct drm_info_node node = (struct drm_info_node ) m->private;
	224	struct drm_device *dev = node->minor->dev;
	225	drm_i915_private_t *dev_priv = dev->dev_private;
	226	int i;
	227	volatile u32 *hws;
	228
	229	hws = (volatile u32 *)dev_priv->hw_status_page;
	230	if (hws == NULL)
	231	return 0;
	232
	233	for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) {
	234	seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
	235	i * 4,
	236	hws[i], hws[i + 1], hws[i + 2], hws[i + 3]);
	237	}
	238	return 0;
	239	}
	240
6911a9b8 BG	241	static void i915_dump_pages(struct seq_file m, struct page *pages, int page_count)
	242	{
	243	int page, i;
	244	uint32_t *mem;
	245
	246	for (page = 0; page < page_count; page++) {
	247	mem = kmap(pages[page]);
	248	for (i = 0; i < PAGE_SIZE; i += 4)
	249	seq_printf(m, "%08x : %08x\n", i, mem[i / 4]);
	250	kunmap(pages[page]);
	251	}
	252	}
	253
	254	static int i915_batchbuffer_info(struct seq_file m, void data)
	255	{
	256	struct drm_info_node node = (struct drm_info_node ) m->private;
	257	struct drm_device *dev = node->minor->dev;
	258	drm_i915_private_t *dev_priv = dev->dev_private;
	259	struct drm_gem_object *obj;
	260	struct drm_i915_gem_object *obj_priv;
	261	int ret;
	262
	263	spin_lock(&dev_priv->mm.active_list_lock);
	264
	265	list_for_each_entry(obj_priv, &dev_priv->mm.active_list, list) {
	266	obj = obj_priv->obj;
	267	if (obj->read_domains & I915_GEM_DOMAIN_COMMAND) {
	268	ret = i915_gem_object_get_pages(obj);
	269	if (ret) {
	270	DRM_ERROR("Failed to get pages: %d\n", ret);
	271	spin_unlock(&dev_priv->mm.active_list_lock);
	272	return ret;
	273	}
	274
	275	seq_printf(m, "--- gtt_offset = 0x%08x\n", obj_priv->gtt_offset);
	276	i915_dump_pages(m, obj_priv->pages, obj->size / PAGE_SIZE);
	277
	278	i915_gem_object_put_pages(obj);
	279	}
	280	}
	281
	282	spin_unlock(&dev_priv->mm.active_list_lock);
	283
	284	return 0;
	285	}
	286
	287	static int i915_ringbuffer_data(struct seq_file m, void data)
	288	{
	289	struct drm_info_node node = (struct drm_info_node ) m->private;
	290	struct drm_device *dev = node->minor->dev;
	291	drm_i915_private_t *dev_priv = dev->dev_private;
	292	u8 *virt;
	293	uint32_t *ptr, off;
	294
	295	if (!dev_priv->ring.ring_obj) {
	296	seq_printf(m, "No ringbuffer setup\n");
	297	return 0;
	298	}
	299
	300	virt = dev_priv->ring.virtual_start;
	301
	302	for (off = 0; off < dev_priv->ring.Size; off += 4) {
	303	ptr = (uint32_t *)(virt + off);
	304	seq_printf(m, "%08x : %08x\n", off, *ptr);
305	}
306
307	return 0;
308	}
309
310	static int i915_ringbuffer_info(struct seq_file m, void data)
311	{
312	struct drm_info_node node = (struct drm_info_node ) m->private;
313	struct drm_device *dev = node->minor->dev;
314	drm_i915_private_t *dev_priv = dev->dev_private;
315	unsigned int head, tail, mask;
316
317	head = I915_READ(PRB0_HEAD) & HEAD_ADDR;
318	tail = I915_READ(PRB0_TAIL) & TAIL_ADDR;
319	mask = dev_priv->ring.tail_mask;
320
321	seq_printf(m, "RingHead : %08x\n", head);
322	seq_printf(m, "RingTail : %08x\n", tail);
323	seq_printf(m, "RingMask : %08x\n", mask);
324	seq_printf(m, "RingSize : %08lx\n", dev_priv->ring.Size);
76cff81a	325	seq_printf(m, "Acthd : %08x\n", I915_READ(IS_I965G(dev) ? ACTHD_I965 : ACTHD));
6911a9b8 BG	326
	327	return 0;
	328	}
	329
63eeaf38 JB	330	static int i915_error_state(struct seq_file m, void unused)
	331	{
	332	struct drm_info_node node = (struct drm_info_node ) m->private;
	333	struct drm_device *dev = node->minor->dev;
	334	drm_i915_private_t *dev_priv = dev->dev_private;
	335	struct drm_i915_error_state *error;
	336	unsigned long flags;
	337
	338	spin_lock_irqsave(&dev_priv->error_lock, flags);
	339	if (!dev_priv->first_error) {
	340	seq_printf(m, "no error state collected\n");
	341	goto out;
	342	}
	343
	344	error = dev_priv->first_error;
	345
8a905236 JB	346	seq_printf(m, "Time: %ld s %ld us\n", error->time.tv_sec,
8a905236 JB	347	error->time.tv_usec);
63eeaf38 JB	348	seq_printf(m, "EIR: 0x%08x\n", error->eir);
	349	seq_printf(m, " PGTBL_ER: 0x%08x\n", error->pgtbl_er);
	350	seq_printf(m, " INSTPM: 0x%08x\n", error->instpm);
	351	seq_printf(m, " IPEIR: 0x%08x\n", error->ipeir);
	352	seq_printf(m, " IPEHR: 0x%08x\n", error->ipehr);
	353	seq_printf(m, " INSTDONE: 0x%08x\n", error->instdone);
	354	seq_printf(m, " ACTHD: 0x%08x\n", error->acthd);
	355	if (IS_I965G(dev)) {
	356	seq_printf(m, " INSTPS: 0x%08x\n", error->instps);
	357	seq_printf(m, " INSTDONE1: 0x%08x\n", error->instdone1);
	358	}
	359
	360	out:
	361	spin_unlock_irqrestore(&dev_priv->error_lock, flags);
	362
	363	return 0;
	364	}
6911a9b8	365
2017263e	366	static struct drm_info_list i915_gem_debugfs_list[] = {
433e12f7 BG	367	{"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
	368	{"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST},
	369	{"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},
2017263e BG	370	{"i915_gem_request", i915_gem_request_info, 0},
2017263e BG	371	{"i915_gem_seqno", i915_gem_seqno_info, 0},
a6172a80	372	{"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
2017263e BG	373	{"i915_gem_interrupt", i915_interrupt_info, 0},
2017263e BG	374	{"i915_gem_hws", i915_hws_info, 0},
6911a9b8 BG	375	{"i915_ringbuffer_data", i915_ringbuffer_data, 0},
	376	{"i915_ringbuffer_info", i915_ringbuffer_info, 0},
	377	{"i915_batchbuffers", i915_batchbuffer_info, 0},
63eeaf38	378	{"i915_error_state", i915_error_state, 0},
2017263e BG	379	};
	380	#define I915_GEM_DEBUGFS_ENTRIES ARRAY_SIZE(i915_gem_debugfs_list)
	381
	382	int i915_gem_debugfs_init(struct drm_minor *minor)
	383	{
	384	return drm_debugfs_create_files(i915_gem_debugfs_list,
	385	I915_GEM_DEBUGFS_ENTRIES,
	386	minor->debugfs_root, minor);
	387	}
	388
	389	void i915_gem_debugfs_cleanup(struct drm_minor *minor)
	390	{
	391	drm_debugfs_remove_files(i915_gem_debugfs_list,
	392	I915_GEM_DEBUGFS_ENTRIES, minor);
	393	}
	394
	395	#endif /* CONFIG_DEBUG_FS */
	396