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
|
/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2016, Linaro Limited
* All rights reserved.
*/
#ifndef __KERNEL_INTERRUPT_H
#define __KERNEL_INTERRUPT_H
#include <types_ext.h>
#include <sys/queue.h>
#define ITRF_TRIGGER_LEVEL (1 << 0)
struct itr_chip {
const struct itr_ops *ops;
};
struct itr_ops {
void (*add)(struct itr_chip *chip, size_t it, uint32_t flags);
void (*enable)(struct itr_chip *chip, size_t it);
void (*disable)(struct itr_chip *chip, size_t it);
void (*raise_pi)(struct itr_chip *chip, size_t it);
void (*raise_sgi)(struct itr_chip *chip, size_t it,
uint8_t cpu_mask);
void (*set_affinity)(struct itr_chip *chip, size_t it,
uint8_t cpu_mask);
};
enum itr_return {
ITRR_NONE,
ITRR_HANDLED,
};
struct itr_handler {
size_t it;
uint32_t flags;
enum itr_return (*handler)(struct itr_handler *h);
void *data;
SLIST_ENTRY(itr_handler) link;
};
void itr_init(struct itr_chip *data);
void itr_handle(size_t it);
void itr_add(struct itr_handler *handler);
void itr_enable(size_t it);
void itr_disable(size_t it);
/* raise the Peripheral Interrupt corresponding to the interrupt ID */
void itr_raise_pi(size_t it);
/*
* raise the Software Generated Interrupt corresponding to the interrupt ID,
* the cpu_mask represents which cpu interface to forward.
*/
void itr_raise_sgi(size_t it, uint8_t cpu_mask);
/*
* let corresponding interrupt forward to the cpu interface
* according to the cpu_mask.
*/
void itr_set_affinity(size_t it, uint8_t cpu_mask);
#endif /*__KERNEL_INTERRUPT_H*/
|
