[mirror_ubuntu-zesty-kernel.git] / drivers / gpu / drm / i915 / i915_gem_proc.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 "drmP.h"
#include "drm.h"
#include "i915_drm.h"
#include "i915_drv.h"

static int i915_gem_active_info(char *buf, char **start, off_t offset,
				int request, int *eof, void *data)
{
	struct drm_minor *minor = (struct drm_minor *) data;
	struct drm_device *dev = minor->dev;
	drm_i915_private_t *dev_priv = dev->dev_private;
	struct drm_i915_gem_object *obj_priv;
	int len = 0;

	if (offset > DRM_PROC_LIMIT) {
		*eof = 1;
		return 0;
	}

	*start = &buf[offset];
	*eof = 0;
	DRM_PROC_PRINT("Active:\n");
	list_for_each_entry(obj_priv, &dev_priv->mm.active_list,
			    list)
	{
		struct drm_gem_object *obj = obj_priv->obj;
		if (obj->name) {
			DRM_PROC_PRINT("    %p(%d): %08x %08x %d\n",
				       obj, obj->name,
				       obj->read_domains, obj->write_domain,
				       obj_priv->last_rendering_seqno);
		} else {
			DRM_PROC_PRINT("       %p: %08x %08x %d\n",
				       obj,
				       obj->read_domains, obj->write_domain,
				       obj_priv->last_rendering_seqno);
		}
	}
	if (len > request + offset)
		return request;
	*eof = 1;
	return len - offset;
}

static int i915_gem_flushing_info(char *buf, char **start, off_t offset,
				  int request, int *eof, void *data)
{
	struct drm_minor *minor = (struct drm_minor *) data;
	struct drm_device *dev = minor->dev;
	drm_i915_private_t *dev_priv = dev->dev_private;
	struct drm_i915_gem_object *obj_priv;
	int len = 0;

	if (offset > DRM_PROC_LIMIT) {
		*eof = 1;
		return 0;
	}

	*start = &buf[offset];
	*eof = 0;
	DRM_PROC_PRINT("Flushing:\n");
	list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list,
			    list)
	{
		struct drm_gem_object *obj = obj_priv->obj;
		if (obj->name) {
			DRM_PROC_PRINT("    %p(%d): %08x %08x %d\n",
				       obj, obj->name,
				       obj->read_domains, obj->write_domain,
				       obj_priv->last_rendering_seqno);
		} else {
			DRM_PROC_PRINT("       %p: %08x %08x %d\n", obj,
				       obj->read_domains, obj->write_domain,
				       obj_priv->last_rendering_seqno);
		}
	}
	if (len > request + offset)
		return request;
	*eof = 1;
	return len - offset;
}

static int i915_gem_inactive_info(char *buf, char **start, off_t offset,
				  int request, int *eof, void *data)
{
	struct drm_minor *minor = (struct drm_minor *) data;
	struct drm_device *dev = minor->dev;
	drm_i915_private_t *dev_priv = dev->dev_private;
	struct drm_i915_gem_object *obj_priv;
	int len = 0;

	if (offset > DRM_PROC_LIMIT) {
		*eof = 1;
		return 0;
	}

	*start = &buf[offset];
	*eof = 0;
	DRM_PROC_PRINT("Inactive:\n");
	list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list,
			    list)
	{
		struct drm_gem_object *obj = obj_priv->obj;
		if (obj->name) {
			DRM_PROC_PRINT("    %p(%d): %08x %08x %d\n",
				       obj, obj->name,
				       obj->read_domains, obj->write_domain,
				       obj_priv->last_rendering_seqno);
		} else {
			DRM_PROC_PRINT("       %p: %08x %08x %d\n", obj,
				       obj->read_domains, obj->write_domain,
				       obj_priv->last_rendering_seqno);
		}
	}
	if (len > request + offset)
		return request;
	*eof = 1;
	return len - offset;
}

static int i915_gem_request_info(char *buf, char **start, off_t offset,
				 int request, int *eof, void *data)
{
	struct drm_minor *minor = (struct drm_minor *) data;
	struct drm_device *dev = minor->dev;
	drm_i915_private_t *dev_priv = dev->dev_private;
	struct drm_i915_gem_request *gem_request;
	int len = 0;

	if (offset > DRM_PROC_LIMIT) {
		*eof = 1;
		return 0;
	}

	*start = &buf[offset];
	*eof = 0;
	DRM_PROC_PRINT("Request:\n");
	list_for_each_entry(gem_request, &dev_priv->mm.request_list,
			    list)
	{
		DRM_PROC_PRINT("    %d @ %d\n",
			       gem_request->seqno,
			       (int) (jiffies - gem_request->emitted_jiffies));
	}
	if (len > request + offset)
		return request;
	*eof = 1;
	return len - offset;
}

static int i915_gem_seqno_info(char *buf, char **start, off_t offset,
			       int request, int *eof, void *data)
{
	struct drm_minor *minor = (struct drm_minor *) data;
	struct drm_device *dev = minor->dev;
	drm_i915_private_t *dev_priv = dev->dev_private;
	int len = 0;

	if (offset > DRM_PROC_LIMIT) {
		*eof = 1;
		return 0;
	}

	*start = &buf[offset];
	*eof = 0;
	if (dev_priv->hw_status_page != NULL) {
		DRM_PROC_PRINT("Current sequence: %d\n",
			       i915_get_gem_seqno(dev));
	} else {
		DRM_PROC_PRINT("Current sequence: hws uninitialized\n");
	}
	DRM_PROC_PRINT("Waiter sequence:  %d\n",
		       dev_priv->mm.waiting_gem_seqno);
	DRM_PROC_PRINT("IRQ sequence:     %d\n", dev_priv->mm.irq_gem_seqno);
	if (len > request + offset)
		return request;
	*eof = 1;
	return len - offset;
}


static int i915_interrupt_info(char *buf, char **start, off_t offset,
			       int request, int *eof, void *data)
{
	struct drm_minor *minor = (struct drm_minor *) data;
	struct drm_device *dev = minor->dev;
	drm_i915_private_t *dev_priv = dev->dev_private;
	int len = 0;

	if (offset > DRM_PROC_LIMIT) {
		*eof = 1;
		return 0;
	}

	*start = &buf[offset];
	*eof = 0;
	DRM_PROC_PRINT("Interrupt enable:    %08x\n",
		       I915_READ(IER));
	DRM_PROC_PRINT("Interrupt identity:  %08x\n",
		       I915_READ(IIR));
	DRM_PROC_PRINT("Interrupt mask:      %08x\n",
		       I915_READ(IMR));
	DRM_PROC_PRINT("Pipe A stat:         %08x\n",
		       I915_READ(PIPEASTAT));
	DRM_PROC_PRINT("Pipe B stat:         %08x\n",
		       I915_READ(PIPEBSTAT));
	DRM_PROC_PRINT("Interrupts received: %d\n",
		       atomic_read(&dev_priv->irq_received));
	if (dev_priv->hw_status_page != NULL) {
		DRM_PROC_PRINT("Current sequence:    %d\n",
			       i915_get_gem_seqno(dev));
	} else {
		DRM_PROC_PRINT("Current sequence:    hws uninitialized\n");
	}
	DRM_PROC_PRINT("Waiter sequence:     %d\n",
		       dev_priv->mm.waiting_gem_seqno);
	DRM_PROC_PRINT("IRQ sequence:        %d\n",
		       dev_priv->mm.irq_gem_seqno);
	if (len > request + offset)
		return request;
	*eof = 1;
	return len - offset;
}

static struct drm_proc_list {
	/** file name */
	const char *name;
	/** proc callback*/
	int (*f) (char *, char **, off_t, int, int *, void *);
} i915_gem_proc_list[] = {
	{"i915_gem_active", i915_gem_active_info},
	{"i915_gem_flushing", i915_gem_flushing_info},
	{"i915_gem_inactive", i915_gem_inactive_info},
	{"i915_gem_request", i915_gem_request_info},
	{"i915_gem_seqno", i915_gem_seqno_info},
	{"i915_gem_interrupt", i915_interrupt_info},
};

#define I915_GEM_PROC_ENTRIES ARRAY_SIZE(i915_gem_proc_list)

int i915_gem_proc_init(struct drm_minor *minor)
{
	struct proc_dir_entry *ent;
	int i, j;

	for (i = 0; i < I915_GEM_PROC_ENTRIES; i++) {
		ent = create_proc_entry(i915_gem_proc_list[i].name,
					S_IFREG | S_IRUGO, minor->dev_root);
		if (!ent) {
			DRM_ERROR("Cannot create /proc/dri/.../%s\n",
				  i915_gem_proc_list[i].name);
			for (j = 0; j < i; j++)
				remove_proc_entry(i915_gem_proc_list[i].name,
						  minor->dev_root);
			return -1;
		}
		ent->read_proc = i915_gem_proc_list[i].f;
		ent->data = minor;
	}
	return 0;
}

void i915_gem_proc_cleanup(struct drm_minor *minor)
{
	int i;

	if (!minor->dev_root)
		return;

	for (i = 0; i < I915_GEM_PROC_ENTRIES; i++)
		remove_proc_entry(i915_gem_proc_list[i].name, minor->dev_root);
}
Commit	Line	Data
673a394b EA	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 "drmP.h"
	30	#include "drm.h"
	31	#include "i915_drm.h"
	32	#include "i915_drv.h"
	33
	34	static int i915_gem_active_info(char buf, char *start, off_t offset,
	35	int request, int eof, void data)
	36	{
	37	struct drm_minor minor = (struct drm_minor ) data;
	38	struct drm_device *dev = minor->dev;
	39	drm_i915_private_t *dev_priv = dev->dev_private;
	40	struct drm_i915_gem_object *obj_priv;
	41	int len = 0;
	42
	43	if (offset > DRM_PROC_LIMIT) {
	44	*eof = 1;
	45	return 0;
	46	}
	47
	48	*start = &buf[offset];
	49	*eof = 0;
	50	DRM_PROC_PRINT("Active:\n");
	51	list_for_each_entry(obj_priv, &dev_priv->mm.active_list,
	52	list)
	53	{
	54	struct drm_gem_object *obj = obj_priv->obj;
	55	if (obj->name) {
	56	DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n",
	57	obj, obj->name,
	58	obj->read_domains, obj->write_domain,
	59	obj_priv->last_rendering_seqno);
	60	} else {
	61	DRM_PROC_PRINT(" %p: %08x %08x %d\n",
	62	obj,
	63	obj->read_domains, obj->write_domain,
	64	obj_priv->last_rendering_seqno);
65	}
66	}
67	if (len > request + offset)
68	return request;
69	*eof = 1;
70	return len - offset;
71	}
72
73	static int i915_gem_flushing_info(char buf, char *start, off_t offset,
74	int request, int eof, void data)
75	{
76	struct drm_minor minor = (struct drm_minor ) data;
77	struct drm_device *dev = minor->dev;
78	drm_i915_private_t *dev_priv = dev->dev_private;
79	struct drm_i915_gem_object *obj_priv;
80	int len = 0;
81
82	if (offset > DRM_PROC_LIMIT) {
83	*eof = 1;
84	return 0;
85	}
86
87	*start = &buf[offset];
88	*eof = 0;
89	DRM_PROC_PRINT("Flushing:\n");
90	list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list,
91	list)
92	{
93	struct drm_gem_object *obj = obj_priv->obj;
94	if (obj->name) {
95	DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n",
96	obj, obj->name,
97	obj->read_domains, obj->write_domain,
98	obj_priv->last_rendering_seqno);
99	} else {
100	DRM_PROC_PRINT(" %p: %08x %08x %d\n", obj,
101	obj->read_domains, obj->write_domain,
102	obj_priv->last_rendering_seqno);
103	}
104	}
105	if (len > request + offset)
106	return request;
107	*eof = 1;
108	return len - offset;
109	}
110
111	static int i915_gem_inactive_info(char buf, char *start, off_t offset,
112	int request, int eof, void data)
113	{
114	struct drm_minor minor = (struct drm_minor ) data;
115	struct drm_device *dev = minor->dev;
116	drm_i915_private_t *dev_priv = dev->dev_private;
117	struct drm_i915_gem_object *obj_priv;
118	int len = 0;
119
120	if (offset > DRM_PROC_LIMIT) {
121	*eof = 1;
122	return 0;
123	}
124
125	*start = &buf[offset];
126	*eof = 0;
127	DRM_PROC_PRINT("Inactive:\n");
128	list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list,
129	list)
130	{
131	struct drm_gem_object *obj = obj_priv->obj;
132	if (obj->name) {
133	DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n",
134	obj, obj->name,
135	obj->read_domains, obj->write_domain,
136	obj_priv->last_rendering_seqno);
137	} else {
138	DRM_PROC_PRINT(" %p: %08x %08x %d\n", obj,
139	obj->read_domains, obj->write_domain,
140	obj_priv->last_rendering_seqno);
141	}
142	}
143	if (len > request + offset)
144	return request;
145	*eof = 1;
146	return len - offset;
147	}
148
149	static int i915_gem_request_info(char buf, char *start, off_t offset,
150	int request, int eof, void data)
151	{
152	struct drm_minor minor = (struct drm_minor ) data;
153	struct drm_device *dev = minor->dev;
154	drm_i915_private_t *dev_priv = dev->dev_private;
155	struct drm_i915_gem_request *gem_request;
156	int len = 0;
157
158	if (offset > DRM_PROC_LIMIT) {
159	*eof = 1;
160	return 0;
161	}
162
163	*start = &buf[offset];
164	*eof = 0;
165	DRM_PROC_PRINT("Request:\n");
166	list_for_each_entry(gem_request, &dev_priv->mm.request_list,
167	list)
168	{
ce44b0ea	169	DRM_PROC_PRINT(" %d @ %d\n",
673a394b	170	gem_request->seqno,
ce44b0ea	171	(int) (jiffies - gem_request->emitted_jiffies));
673a394b EA	172	}
	173	if (len > request + offset)
	174	return request;
	175	*eof = 1;
	176	return len - offset;
	177	}
	178
	179	static int i915_gem_seqno_info(char buf, char *start, off_t offset,
	180	int request, int eof, void data)
	181	{
	182	struct drm_minor minor = (struct drm_minor ) data;
	183	struct drm_device *dev = minor->dev;
	184	drm_i915_private_t *dev_priv = dev->dev_private;
	185	int len = 0;
	186
	187	if (offset > DRM_PROC_LIMIT) {
	188	*eof = 1;
	189	return 0;
	190	}
	191
	192	*start = &buf[offset];
	193	*eof = 0;
a2d44cca EA	194	if (dev_priv->hw_status_page != NULL) {
	195	DRM_PROC_PRINT("Current sequence: %d\n",
	196	i915_get_gem_seqno(dev));
	197	} else {
	198	DRM_PROC_PRINT("Current sequence: hws uninitialized\n");
	199	}
673a394b EA	200	DRM_PROC_PRINT("Waiter sequence: %d\n",
	201	dev_priv->mm.waiting_gem_seqno);
	202	DRM_PROC_PRINT("IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno);
	203	if (len > request + offset)
	204	return request;
	205	*eof = 1;
	206	return len - offset;
	207	}
	208
	209
	210	static int i915_interrupt_info(char buf, char *start, off_t offset,
	211	int request, int eof, void data)
	212	{
	213	struct drm_minor minor = (struct drm_minor ) data;
	214	struct drm_device *dev = minor->dev;
	215	drm_i915_private_t *dev_priv = dev->dev_private;
	216	int len = 0;
	217
	218	if (offset > DRM_PROC_LIMIT) {
	219	*eof = 1;
	220	return 0;
	221	}
	222
	223	*start = &buf[offset];
	224	*eof = 0;
	225	DRM_PROC_PRINT("Interrupt enable: %08x\n",
	226	I915_READ(IER));
	227	DRM_PROC_PRINT("Interrupt identity: %08x\n",
	228	I915_READ(IIR));
	229	DRM_PROC_PRINT("Interrupt mask: %08x\n",
	230	I915_READ(IMR));
	231	DRM_PROC_PRINT("Pipe A stat: %08x\n",
	232	I915_READ(PIPEASTAT));
	233	DRM_PROC_PRINT("Pipe B stat: %08x\n",
	234	I915_READ(PIPEBSTAT));
	235	DRM_PROC_PRINT("Interrupts received: %d\n",
	236	atomic_read(&dev_priv->irq_received));
a2d44cca EA	237	if (dev_priv->hw_status_page != NULL) {
	238	DRM_PROC_PRINT("Current sequence: %d\n",
	239	i915_get_gem_seqno(dev));
	240	} else {
	241	DRM_PROC_PRINT("Current sequence: hws uninitialized\n");
	242	}
673a394b EA	243	DRM_PROC_PRINT("Waiter sequence: %d\n",
	244	dev_priv->mm.waiting_gem_seqno);
	245	DRM_PROC_PRINT("IRQ sequence: %d\n",
	246	dev_priv->mm.irq_gem_seqno);
	247	if (len > request + offset)
	248	return request;
	249	*eof = 1;
	250	return len - offset;
	251	}
	252
	253	static struct drm_proc_list {
	254	/** file name */
	255	const char *name;
	256	/** proc callback*/
	257	int (f) (char , char *, off_t, int, int , void *);
	258	} i915_gem_proc_list[] = {
	259	{"i915_gem_active", i915_gem_active_info},
	260	{"i915_gem_flushing", i915_gem_flushing_info},
	261	{"i915_gem_inactive", i915_gem_inactive_info},
	262	{"i915_gem_request", i915_gem_request_info},
	263	{"i915_gem_seqno", i915_gem_seqno_info},
	264	{"i915_gem_interrupt", i915_interrupt_info},
	265	};
	266
	267	#define I915_GEM_PROC_ENTRIES ARRAY_SIZE(i915_gem_proc_list)
	268
	269	int i915_gem_proc_init(struct drm_minor *minor)
	270	{
	271	struct proc_dir_entry *ent;
	272	int i, j;
	273
	274	for (i = 0; i < I915_GEM_PROC_ENTRIES; i++) {
	275	ent = create_proc_entry(i915_gem_proc_list[i].name,
	276	S_IFREG \| S_IRUGO, minor->dev_root);
	277	if (!ent) {
	278	DRM_ERROR("Cannot create /proc/dri/.../%s\n",
	279	i915_gem_proc_list[i].name);
	280	for (j = 0; j < i; j++)
	281	remove_proc_entry(i915_gem_proc_list[i].name,
	282	minor->dev_root);
	283	return -1;
	284	}
	285	ent->read_proc = i915_gem_proc_list[i].f;
	286	ent->data = minor;
	287	}
	288	return 0;
	289	}
	290
	291	void i915_gem_proc_cleanup(struct drm_minor *minor)
	292	{
	293	int i;
	294
	295	if (!minor->dev_root)
	296	return;
	297
	298	for (i = 0; i < I915_GEM_PROC_ENTRIES; i++)
	299	remove_proc_entry(i915_gem_proc_list[i].name, minor->dev_root);
	300	}