117 lines
2.5 KiB
C
117 lines
2.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _ASM_IRQ_H
|
|
#define _ASM_IRQ_H
|
|
|
|
#define EXT_INTERRUPT 0
|
|
#define IO_INTERRUPT 1
|
|
#define THIN_INTERRUPT 2
|
|
|
|
#define NR_IRQS_BASE 3
|
|
|
|
#define NR_IRQS NR_IRQS_BASE
|
|
#define NR_IRQS_LEGACY NR_IRQS_BASE
|
|
|
|
/* External interruption codes */
|
|
#define EXT_IRQ_INTERRUPT_KEY 0x0040
|
|
#define EXT_IRQ_CLK_COMP 0x1004
|
|
#define EXT_IRQ_CPU_TIMER 0x1005
|
|
#define EXT_IRQ_WARNING_TRACK 0x1007
|
|
#define EXT_IRQ_MALFUNC_ALERT 0x1200
|
|
#define EXT_IRQ_EMERGENCY_SIG 0x1201
|
|
#define EXT_IRQ_EXTERNAL_CALL 0x1202
|
|
#define EXT_IRQ_TIMING_ALERT 0x1406
|
|
#define EXT_IRQ_MEASURE_ALERT 0x1407
|
|
#define EXT_IRQ_SERVICE_SIG 0x2401
|
|
#define EXT_IRQ_CP_SERVICE 0x2603
|
|
#define EXT_IRQ_IUCV 0x4000
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
#include <linux/hardirq.h>
|
|
#include <linux/percpu.h>
|
|
#include <linux/cache.h>
|
|
#include <linux/types.h>
|
|
|
|
enum interruption_class {
|
|
IRQEXT_CLK,
|
|
IRQEXT_EXC,
|
|
IRQEXT_EMS,
|
|
IRQEXT_TMR,
|
|
IRQEXT_TLA,
|
|
IRQEXT_PFL,
|
|
IRQEXT_DSD,
|
|
IRQEXT_VRT,
|
|
IRQEXT_SCP,
|
|
IRQEXT_IUC,
|
|
IRQEXT_CMS,
|
|
IRQEXT_CMC,
|
|
IRQEXT_FTP,
|
|
IRQIO_CIO,
|
|
IRQIO_QAI,
|
|
IRQIO_DAS,
|
|
IRQIO_C15,
|
|
IRQIO_C70,
|
|
IRQIO_TAP,
|
|
IRQIO_VMR,
|
|
IRQIO_LCS,
|
|
IRQIO_CTC,
|
|
IRQIO_APB,
|
|
IRQIO_ADM,
|
|
IRQIO_CSC,
|
|
IRQIO_PCI,
|
|
IRQIO_MSI,
|
|
IRQIO_VIR,
|
|
IRQIO_VAI,
|
|
NMI_NMI,
|
|
CPU_RST,
|
|
NR_ARCH_IRQS
|
|
};
|
|
|
|
struct irq_stat {
|
|
unsigned int irqs[NR_ARCH_IRQS];
|
|
};
|
|
|
|
DECLARE_PER_CPU_SHARED_ALIGNED(struct irq_stat, irq_stat);
|
|
|
|
static __always_inline void inc_irq_stat(enum interruption_class irq)
|
|
{
|
|
__this_cpu_inc(irq_stat.irqs[irq]);
|
|
}
|
|
|
|
struct ext_code {
|
|
unsigned short subcode;
|
|
unsigned short code;
|
|
};
|
|
|
|
typedef void (*ext_int_handler_t)(struct ext_code, unsigned int, unsigned long);
|
|
|
|
int register_external_irq(u16 code, ext_int_handler_t handler);
|
|
int unregister_external_irq(u16 code, ext_int_handler_t handler);
|
|
|
|
enum irq_subclass {
|
|
IRQ_SUBCLASS_MEASUREMENT_ALERT = 5,
|
|
IRQ_SUBCLASS_SERVICE_SIGNAL = 9,
|
|
};
|
|
|
|
#define CR0_IRQ_SUBCLASS_MASK \
|
|
((1UL << (63 - 30)) /* Warning Track */ | \
|
|
(1UL << (63 - 48)) /* Malfunction Alert */ | \
|
|
(1UL << (63 - 49)) /* Emergency Signal */ | \
|
|
(1UL << (63 - 50)) /* External Call */ | \
|
|
(1UL << (63 - 52)) /* Clock Comparator */ | \
|
|
(1UL << (63 - 53)) /* CPU Timer */ | \
|
|
(1UL << (63 - 54)) /* Service Signal */ | \
|
|
(1UL << (63 - 57)) /* Interrupt Key */ | \
|
|
(1UL << (63 - 58)) /* Measurement Alert */ | \
|
|
(1UL << (63 - 59)) /* Timing Alert */ | \
|
|
(1UL << (63 - 62))) /* IUCV */
|
|
|
|
void irq_subclass_register(enum irq_subclass subclass);
|
|
void irq_subclass_unregister(enum irq_subclass subclass);
|
|
|
|
#define irq_canonicalize(irq) (irq)
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* _ASM_IRQ_H */
|