summaryrefslogtreecommitdiff
path: root/drivers/gpu/drm/i915/i915_gem_context.h
blob: edc6ba3f028885e5f123c6968a45533d5143ff0b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
/*
 * Copyright © 2016 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.
 *
 */

#ifndef __I915_GEM_CONTEXT_H__
#define __I915_GEM_CONTEXT_H__

#include "i915_gem_context_types.h"

#include "i915_gem.h"
#include "i915_scheduler.h"
#include "intel_context.h"
#include "intel_device_info.h"

struct drm_device;
struct drm_file;

static inline bool i915_gem_context_is_closed(const struct i915_gem_context *ctx)
{
	return test_bit(CONTEXT_CLOSED, &ctx->flags);
}

static inline void i915_gem_context_set_closed(struct i915_gem_context *ctx)
{
	GEM_BUG_ON(i915_gem_context_is_closed(ctx));
	set_bit(CONTEXT_CLOSED, &ctx->flags);
}

static inline bool i915_gem_context_no_error_capture(const struct i915_gem_context *ctx)
{
	return test_bit(UCONTEXT_NO_ERROR_CAPTURE, &ctx->user_flags);
}

static inline void i915_gem_context_set_no_error_capture(struct i915_gem_context *ctx)
{
	set_bit(UCONTEXT_NO_ERROR_CAPTURE, &ctx->user_flags);
}

static inline void i915_gem_context_clear_no_error_capture(struct i915_gem_context *ctx)
{
	clear_bit(UCONTEXT_NO_ERROR_CAPTURE, &ctx->user_flags);
}

static inline bool i915_gem_context_is_bannable(const struct i915_gem_context *ctx)
{
	return test_bit(UCONTEXT_BANNABLE, &ctx->user_flags);
}

static inline void i915_gem_context_set_bannable(struct i915_gem_context *ctx)
{
	set_bit(UCONTEXT_BANNABLE, &ctx->user_flags);
}

static inline void i915_gem_context_clear_bannable(struct i915_gem_context *ctx)
{
	clear_bit(UCONTEXT_BANNABLE, &ctx->user_flags);
}

static inline bool i915_gem_context_is_recoverable(const struct i915_gem_context *ctx)
{
	return test_bit(UCONTEXT_RECOVERABLE, &ctx->user_flags);
}

static inline void i915_gem_context_set_recoverable(struct i915_gem_context *ctx)
{
	set_bit(UCONTEXT_RECOVERABLE, &ctx->user_flags);
}

static inline void i915_gem_context_clear_recoverable(struct i915_gem_context *ctx)
{
	clear_bit(UCONTEXT_RECOVERABLE, &ctx->user_flags);
}

static inline bool i915_gem_context_is_banned(const struct i915_gem_context *ctx)
{
	return test_bit(CONTEXT_BANNED, &ctx->flags);
}

static inline void i915_gem_context_set_banned(struct i915_gem_context *ctx)
{
	set_bit(CONTEXT_BANNED, &ctx->flags);
}

static inline bool i915_gem_context_force_single_submission(const struct i915_gem_context *ctx)
{
	return test_bit(CONTEXT_FORCE_SINGLE_SUBMISSION, &ctx->flags);
}

static inline void i915_gem_context_set_force_single_submission(struct i915_gem_context *ctx)
{
	__set_bit(CONTEXT_FORCE_SINGLE_SUBMISSION, &ctx->flags);
}

int __i915_gem_context_pin_hw_id(struct i915_gem_context *ctx);
static inline int i915_gem_context_pin_hw_id(struct i915_gem_context *ctx)
{
	if (atomic_inc_not_zero(&ctx->hw_id_pin_count))
		return 0;

	return __i915_gem_context_pin_hw_id(ctx);
}

static inline void i915_gem_context_unpin_hw_id(struct i915_gem_context *ctx)
{
	GEM_BUG_ON(atomic_read(&ctx->hw_id_pin_count) == 0u);
	atomic_dec(&ctx->hw_id_pin_count);
}

static inline bool i915_gem_context_is_kernel(struct i915_gem_context *ctx)
{
	return !ctx->file_priv;
}

/* i915_gem_context.c */
int __must_check i915_gem_contexts_init(struct drm_i915_private *dev_priv);
void i915_gem_contexts_lost(struct drm_i915_private *dev_priv);
void i915_gem_contexts_fini(struct drm_i915_private *dev_priv);

int i915_gem_context_open(struct drm_i915_private *i915,
			  struct drm_file *file);
void i915_gem_context_close(struct drm_file *file);

int i915_switch_context(struct i915_request *rq);
int i915_gem_switch_to_kernel_context(struct drm_i915_private *i915,
				      unsigned long engine_mask);

void i915_gem_context_release(struct kref *ctx_ref);
struct i915_gem_context *
i915_gem_context_create_gvt(struct drm_device *dev);

int i915_gem_vm_create_ioctl(struct drm_device *dev, void *data,
			     struct drm_file *file);
int i915_gem_vm_destroy_ioctl(struct drm_device *dev, void *data,
			      struct drm_file *file);

int i915_gem_context_create_ioctl(struct drm_device *dev, void *data,
				  struct drm_file *file);
int i915_gem_context_destroy_ioctl(struct drm_device *dev, void *data,
				   struct drm_file *file);
int i915_gem_context_getparam_ioctl(struct drm_device *dev, void *data,
				    struct drm_file *file_priv);
int i915_gem_context_setparam_ioctl(struct drm_device *dev, void *data,
				    struct drm_file *file_priv);
int i915_gem_context_reset_stats_ioctl(struct drm_device *dev, void *data,
				       struct drm_file *file);

struct i915_gem_context *
i915_gem_context_create_kernel(struct drm_i915_private *i915, int prio);

static inline struct i915_gem_context *
i915_gem_context_get(struct i915_gem_context *ctx)
{
	kref_get(&ctx->ref);
	return ctx;
}

static inline void i915_gem_context_put(struct i915_gem_context *ctx)
{
	kref_put(&ctx->ref, i915_gem_context_release);
}

struct i915_lut_handle *i915_lut_handle_alloc(void);
void i915_lut_handle_free(struct i915_lut_handle *lut);

#endif /* !__I915_GEM_CONTEXT_H__ */