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
|
/*
* Copyright 2014 Advanced Micro Devices, Inc.
*
* 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 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 COPYRIGHT HOLDER(S) OR AUTHOR(S) 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 __AMDGPU_IRQ_H__
#define __AMDGPU_IRQ_H__
#include <linux/irqdomain.h>
#include "soc15_ih_clientid.h"
#include "amdgpu_ih.h"
#define AMDGPU_MAX_IRQ_SRC_ID 0x100
#define AMDGPU_MAX_IRQ_CLIENT_ID 0x100
#define AMDGPU_IRQ_CLIENTID_LEGACY 0
#define AMDGPU_IRQ_CLIENTID_MAX SOC15_IH_CLIENTID_MAX
#define AMDGPU_IRQ_SRC_DATA_MAX_SIZE_DW 4
struct amdgpu_device;
enum amdgpu_interrupt_state {
AMDGPU_IRQ_STATE_DISABLE,
AMDGPU_IRQ_STATE_ENABLE,
};
struct amdgpu_iv_entry {
struct amdgpu_ih_ring *ih;
unsigned client_id;
unsigned src_id;
unsigned ring_id;
unsigned vmid;
unsigned vmid_src;
uint64_t timestamp;
unsigned timestamp_src;
unsigned pasid;
unsigned pasid_src;
unsigned src_data[AMDGPU_IRQ_SRC_DATA_MAX_SIZE_DW];
const uint32_t *iv_entry;
};
struct amdgpu_irq_src {
unsigned num_types;
atomic_t *enabled_types;
const struct amdgpu_irq_src_funcs *funcs;
};
struct amdgpu_irq_client {
struct amdgpu_irq_src **sources;
};
/* provided by interrupt generating IP blocks */
struct amdgpu_irq_src_funcs {
int (*set)(struct amdgpu_device *adev, struct amdgpu_irq_src *source,
unsigned type, enum amdgpu_interrupt_state state);
int (*process)(struct amdgpu_device *adev,
struct amdgpu_irq_src *source,
struct amdgpu_iv_entry *entry);
};
struct amdgpu_irq {
bool installed;
unsigned int irq;
spinlock_t lock;
/* interrupt sources */
struct amdgpu_irq_client client[AMDGPU_IRQ_CLIENTID_MAX];
/* status, etc. */
bool msi_enabled; /* msi enabled */
/* interrupt rings */
struct amdgpu_ih_ring ih, ih1, ih2, ih_soft;
const struct amdgpu_ih_funcs *ih_funcs;
struct work_struct ih1_work, ih2_work, ih_soft_work;
struct amdgpu_irq_src self_irq;
/* gen irq stuff */
struct irq_domain *domain; /* GPU irq controller domain */
unsigned virq[AMDGPU_MAX_IRQ_SRC_ID];
uint32_t srbm_soft_reset;
};
void amdgpu_irq_disable_all(struct amdgpu_device *adev);
int amdgpu_irq_init(struct amdgpu_device *adev);
void amdgpu_irq_fini_sw(struct amdgpu_device *adev);
void amdgpu_irq_fini_hw(struct amdgpu_device *adev);
int amdgpu_irq_add_id(struct amdgpu_device *adev,
unsigned client_id, unsigned src_id,
struct amdgpu_irq_src *source);
void amdgpu_irq_dispatch(struct amdgpu_device *adev,
struct amdgpu_ih_ring *ih);
void amdgpu_irq_delegate(struct amdgpu_device *adev,
struct amdgpu_iv_entry *entry,
unsigned int num_dw);
int amdgpu_irq_update(struct amdgpu_device *adev, struct amdgpu_irq_src *src,
unsigned type);
int amdgpu_irq_get(struct amdgpu_device *adev, struct amdgpu_irq_src *src,
unsigned type);
int amdgpu_irq_put(struct amdgpu_device *adev, struct amdgpu_irq_src *src,
unsigned type);
bool amdgpu_irq_enabled(struct amdgpu_device *adev, struct amdgpu_irq_src *src,
unsigned type);
void amdgpu_irq_gpu_reset_resume_helper(struct amdgpu_device *adev);
int amdgpu_irq_add_domain(struct amdgpu_device *adev);
void amdgpu_irq_remove_domain(struct amdgpu_device *adev);
unsigned amdgpu_irq_create_mapping(struct amdgpu_device *adev, unsigned src_id);
#endif
|
