From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- arch/s390/include/asm/isc.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 arch/s390/include/asm/isc.h (limited to 'arch/s390/include/asm/isc.h') diff --git a/arch/s390/include/asm/isc.h b/arch/s390/include/asm/isc.h new file mode 100644 index 000000000..b2cc1ec78 --- /dev/null +++ b/arch/s390/include/asm/isc.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _ASM_S390_ISC_H +#define _ASM_S390_ISC_H + +#include + +/* + * I/O interruption subclasses used by drivers. + * Please add all used iscs here so that it is possible to distribute + * isc usage between drivers. + * Reminder: 0 is highest priority, 7 lowest. + */ +#define MAX_ISC 7 + +/* Regular I/O interrupts. */ +#define IO_SCH_ISC 3 /* regular I/O subchannels */ +#define CONSOLE_ISC 1 /* console I/O subchannel */ +#define EADM_SCH_ISC 4 /* EADM subchannels */ +#define CHSC_SCH_ISC 7 /* CHSC subchannels */ +#define VFIO_CCW_ISC IO_SCH_ISC /* VFIO-CCW I/O subchannels */ +/* Adapter interrupts. */ +#define QDIO_AIRQ_ISC IO_SCH_ISC /* I/O subchannel in qdio mode */ +#define PCI_ISC 2 /* PCI I/O subchannels */ +#define GAL_ISC 5 /* GIB alert */ +#define AP_ISC 6 /* adjunct processor (crypto) devices */ + +/* Functions for registration of I/O interruption subclasses */ +void isc_register(unsigned int isc); +void isc_unregister(unsigned int isc); + +#endif /* _ASM_S390_ISC_H */ -- cgit v1.2.3