blob: baeb3c859389ddbd2c473d6cffc45a7b8edbced4 (
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
|
/* SPDX-License-Identifier: GPL-2.0 */
/*
* ARM Generic Interrupt Controller (GIC) specific defines
*/
#ifndef SELFTEST_KVM_GIC_H
#define SELFTEST_KVM_GIC_H
#include <asm/kvm.h>
enum gic_type {
GIC_V3,
GIC_TYPE_MAX,
};
/*
* Note that the redistributor frames are at the end, as the range scales
* with the number of vCPUs in the VM.
*/
#define GITS_BASE_GPA 0x8000000ULL
#define GICD_BASE_GPA (GITS_BASE_GPA + KVM_VGIC_V3_ITS_SIZE)
#define GICR_BASE_GPA (GICD_BASE_GPA + KVM_VGIC_V3_DIST_SIZE)
/* The GIC is identity-mapped into the guest at the time of setup. */
#define GITS_BASE_GVA ((volatile void *)GITS_BASE_GPA)
#define GICD_BASE_GVA ((volatile void *)GICD_BASE_GPA)
#define GICR_BASE_GVA ((volatile void *)GICR_BASE_GPA)
#define MIN_SGI 0
#define MIN_PPI 16
#define MIN_SPI 32
#define MAX_SPI 1019
#define IAR_SPURIOUS 1023
#define INTID_IS_SGI(intid) (0 <= (intid) && (intid) < MIN_PPI)
#define INTID_IS_PPI(intid) (MIN_PPI <= (intid) && (intid) < MIN_SPI)
#define INTID_IS_SPI(intid) (MIN_SPI <= (intid) && (intid) <= MAX_SPI)
void gic_init(enum gic_type type, unsigned int nr_cpus);
void gic_irq_enable(unsigned int intid);
void gic_irq_disable(unsigned int intid);
unsigned int gic_get_and_ack_irq(void);
void gic_set_eoi(unsigned int intid);
void gic_set_dir(unsigned int intid);
/*
* Sets the EOI mode. When split is false, EOI just drops the priority. When
* split is true, EOI drops the priority and deactivates the interrupt.
*/
void gic_set_eoi_split(bool split);
void gic_set_priority_mask(uint64_t mask);
void gic_set_priority(uint32_t intid, uint32_t prio);
void gic_irq_set_active(unsigned int intid);
void gic_irq_clear_active(unsigned int intid);
bool gic_irq_get_active(unsigned int intid);
void gic_irq_set_pending(unsigned int intid);
void gic_irq_clear_pending(unsigned int intid);
bool gic_irq_get_pending(unsigned int intid);
void gic_irq_set_config(unsigned int intid, bool is_edge);
void gic_rdist_enable_lpis(vm_paddr_t cfg_table, size_t cfg_table_size,
vm_paddr_t pend_table);
#endif /* SELFTEST_KVM_GIC_H */
|
