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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_IRQ_H
3#define _ASM_IRQ_H
4
5#define EXT_INTERRUPT 0
6#define IO_INTERRUPT 1
7#define THIN_INTERRUPT 2
8
9#define NR_IRQS_BASE 3
10
11#define NR_IRQS NR_IRQS_BASE
12#define NR_IRQS_LEGACY NR_IRQS_BASE
13
14/* External interruption codes */
15#define EXT_IRQ_INTERRUPT_KEY 0x0040
16#define EXT_IRQ_CLK_COMP 0x1004
17#define EXT_IRQ_CPU_TIMER 0x1005
18#define EXT_IRQ_WARNING_TRACK 0x1007
19#define EXT_IRQ_MALFUNC_ALERT 0x1200
20#define EXT_IRQ_EMERGENCY_SIG 0x1201
21#define EXT_IRQ_EXTERNAL_CALL 0x1202
22#define EXT_IRQ_TIMING_ALERT 0x1406
23#define EXT_IRQ_MEASURE_ALERT 0x1407
24#define EXT_IRQ_SERVICE_SIG 0x2401
25#define EXT_IRQ_CP_SERVICE 0x2603
26#define EXT_IRQ_IUCV 0x4000
27
28#ifndef __ASSEMBLY__
29
30#include <linux/hardirq.h>
31#include <linux/percpu.h>
32#include <linux/cache.h>
33#include <linux/types.h>
34
35enum interruption_class {
36 IRQEXT_CLK,
37 IRQEXT_EXC,
38 IRQEXT_EMS,
39 IRQEXT_TMR,
40 IRQEXT_TLA,
41 IRQEXT_PFL,
42 IRQEXT_DSD,
43 IRQEXT_VRT,
44 IRQEXT_SCP,
45 IRQEXT_IUC,
46 IRQEXT_CMS,
47 IRQEXT_CMC,
48 IRQEXT_FTP,
49 IRQIO_CIO,
50 IRQIO_DAS,
51 IRQIO_C15,
52 IRQIO_C70,
53 IRQIO_TAP,
54 IRQIO_VMR,
55 IRQIO_LCS,
56 IRQIO_CTC,
57 IRQIO_ADM,
58 IRQIO_CSC,
59 IRQIO_VIR,
60 IRQIO_QAI,
61 IRQIO_APB,
62 IRQIO_PCF,
63 IRQIO_PCD,
64 IRQIO_MSI,
65 IRQIO_VAI,
66 IRQIO_GAL,
67 NMI_NMI,
68 CPU_RST,
69 NR_ARCH_IRQS
70};
71
72struct irq_stat {
73 unsigned int irqs[NR_ARCH_IRQS];
74};
75
76DECLARE_PER_CPU_SHARED_ALIGNED(struct irq_stat, irq_stat);
77
78static __always_inline void inc_irq_stat(enum interruption_class irq)
79{
80 __this_cpu_inc(irq_stat.irqs[irq]);
81}
82
83struct ext_code {
84 union {
85 struct {
86 unsigned short subcode;
87 unsigned short code;
88 };
89 unsigned int int_code;
90 };
91};
92
93typedef void (*ext_int_handler_t)(struct ext_code, unsigned int, unsigned long);
94
95int register_external_irq(u16 code, ext_int_handler_t handler);
96int unregister_external_irq(u16 code, ext_int_handler_t handler);
97
98enum irq_subclass {
99 IRQ_SUBCLASS_MEASUREMENT_ALERT = 5,
100 IRQ_SUBCLASS_SERVICE_SIGNAL = 9,
101};
102
103#define CR0_IRQ_SUBCLASS_MASK \
104 ((1UL << (63 - 30)) /* Warning Track */ | \
105 (1UL << (63 - 48)) /* Malfunction Alert */ | \
106 (1UL << (63 - 49)) /* Emergency Signal */ | \
107 (1UL << (63 - 50)) /* External Call */ | \
108 (1UL << (63 - 52)) /* Clock Comparator */ | \
109 (1UL << (63 - 53)) /* CPU Timer */ | \
110 (1UL << (63 - 54)) /* Service Signal */ | \
111 (1UL << (63 - 57)) /* Interrupt Key */ | \
112 (1UL << (63 - 58)) /* Measurement Alert */ | \
113 (1UL << (63 - 59)) /* Timing Alert */ | \
114 (1UL << (63 - 62))) /* IUCV */
115
116void irq_subclass_register(enum irq_subclass subclass);
117void irq_subclass_unregister(enum irq_subclass subclass);
118
119#define irq_canonicalize(irq) (irq)
120
121#endif /* __ASSEMBLY__ */
122
123#endif /* _ASM_IRQ_H */
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_IRQ_H
3#define _ASM_IRQ_H
4
5#define EXT_INTERRUPT 0
6#define IO_INTERRUPT 1
7#define THIN_INTERRUPT 2
8
9#define NR_IRQS_BASE 3
10
11#define NR_IRQS NR_IRQS_BASE
12#define NR_IRQS_LEGACY NR_IRQS_BASE
13
14/* External interruption codes */
15#define EXT_IRQ_INTERRUPT_KEY 0x0040
16#define EXT_IRQ_CLK_COMP 0x1004
17#define EXT_IRQ_CPU_TIMER 0x1005
18#define EXT_IRQ_WARNING_TRACK 0x1007
19#define EXT_IRQ_MALFUNC_ALERT 0x1200
20#define EXT_IRQ_EMERGENCY_SIG 0x1201
21#define EXT_IRQ_EXTERNAL_CALL 0x1202
22#define EXT_IRQ_TIMING_ALERT 0x1406
23#define EXT_IRQ_MEASURE_ALERT 0x1407
24#define EXT_IRQ_SERVICE_SIG 0x2401
25#define EXT_IRQ_CP_SERVICE 0x2603
26#define EXT_IRQ_IUCV 0x4000
27
28#ifndef __ASSEMBLY__
29
30#include <linux/hardirq.h>
31#include <linux/percpu.h>
32#include <linux/cache.h>
33#include <linux/types.h>
34#include <asm/ctlreg.h>
35
36enum interruption_class {
37 IRQEXT_CLK,
38 IRQEXT_EXC,
39 IRQEXT_EMS,
40 IRQEXT_TMR,
41 IRQEXT_TLA,
42 IRQEXT_PFL,
43 IRQEXT_DSD,
44 IRQEXT_VRT,
45 IRQEXT_SCP,
46 IRQEXT_IUC,
47 IRQEXT_CMS,
48 IRQEXT_CMC,
49 IRQEXT_FTP,
50 IRQEXT_WTI,
51 IRQIO_CIO,
52 IRQIO_DAS,
53 IRQIO_C15,
54 IRQIO_C70,
55 IRQIO_TAP,
56 IRQIO_VMR,
57 IRQIO_LCS,
58 IRQIO_CTC,
59 IRQIO_ADM,
60 IRQIO_CSC,
61 IRQIO_VIR,
62 IRQIO_QAI,
63 IRQIO_APB,
64 IRQIO_PCF,
65 IRQIO_PCD,
66 IRQIO_MSI,
67 IRQIO_VAI,
68 IRQIO_GAL,
69 NMI_NMI,
70 CPU_RST,
71 NR_ARCH_IRQS
72};
73
74struct irq_stat {
75 unsigned int irqs[NR_ARCH_IRQS];
76};
77
78DECLARE_PER_CPU_SHARED_ALIGNED(struct irq_stat, irq_stat);
79
80static __always_inline void inc_irq_stat(enum interruption_class irq)
81{
82 __this_cpu_inc(irq_stat.irqs[irq]);
83}
84
85struct ext_code {
86 union {
87 struct {
88 unsigned short subcode;
89 unsigned short code;
90 };
91 unsigned int int_code;
92 };
93};
94
95typedef void (*ext_int_handler_t)(struct ext_code, unsigned int, unsigned long);
96
97int register_external_irq(u16 code, ext_int_handler_t handler);
98int unregister_external_irq(u16 code, ext_int_handler_t handler);
99
100enum irq_subclass {
101 IRQ_SUBCLASS_MEASUREMENT_ALERT = 5,
102 IRQ_SUBCLASS_SERVICE_SIGNAL = 9,
103 IRQ_SUBCLASS_WARNING_TRACK = 33,
104};
105
106#define CR0_IRQ_SUBCLASS_MASK \
107 (CR0_WARNING_TRACK | \
108 CR0_MALFUNCTION_ALERT_SUBMASK | \
109 CR0_EMERGENCY_SIGNAL_SUBMASK | \
110 CR0_EXTERNAL_CALL_SUBMASK | \
111 CR0_CLOCK_COMPARATOR_SUBMASK | \
112 CR0_CPU_TIMER_SUBMASK | \
113 CR0_SERVICE_SIGNAL_SUBMASK | \
114 CR0_INTERRUPT_KEY_SUBMASK | \
115 CR0_MEASUREMENT_ALERT_SUBMASK | \
116 CR0_ETR_SUBMASK | \
117 CR0_IUCV)
118
119void irq_subclass_register(enum irq_subclass subclass);
120void irq_subclass_unregister(enum irq_subclass subclass);
121
122#define irq_canonicalize(irq) (irq)
123
124#endif /* __ASSEMBLY__ */
125
126#endif /* _ASM_IRQ_H */