[mirror_ubuntu-jammy-kernel.git] / arch / s390 / include / asm / nmi.h

/*
 *   Machine check handler definitions
 *
 *    Copyright IBM Corp. 2000, 2009
 *    Author(s): Ingo Adlung <adlung@de.ibm.com>,
 *		 Martin Schwidefsky <schwidefsky@de.ibm.com>,
 *		 Cornelia Huck <cornelia.huck@de.ibm.com>,
 *		 Heiko Carstens <heiko.carstens@de.ibm.com>,
 */

#ifndef _ASM_S390_NMI_H
#define _ASM_S390_NMI_H

#include <linux/const.h>
#include <linux/types.h>

#define MCIC_SUBCLASS_MASK	(1ULL<<63 | 1ULL<<62 | 1ULL<<61 | \
				1ULL<<59 | 1ULL<<58 | 1ULL<<56 | \
				1ULL<<55 | 1ULL<<54 | 1ULL<<53 | \
				1ULL<<52 | 1ULL<<47 | 1ULL<<46 | \
				1ULL<<45 | 1ULL<<44)
#define MCCK_CODE_SYSTEM_DAMAGE		_BITUL(63)
#define MCCK_CODE_EXT_DAMAGE		_BITUL(63 - 5)
#define MCCK_CODE_CP			_BITUL(63 - 9)
#define MCCK_CODE_CPU_TIMER_VALID	_BITUL(63 - 46)
#define MCCK_CODE_PSW_MWP_VALID		_BITUL(63 - 20)
#define MCCK_CODE_PSW_IA_VALID		_BITUL(63 - 23)

#define MCCK_CR14_CR_PENDING_SUB_MASK	(1 << 28)
#define MCCK_CR14_RECOVERY_SUB_MASK	(1 << 27)
#define MCCK_CR14_DEGRAD_SUB_MASK	(1 << 26)
#define MCCK_CR14_EXT_DAMAGE_SUB_MASK	(1 << 25)
#define MCCK_CR14_WARN_SUB_MASK		(1 << 24)

#ifndef __ASSEMBLY__

union mci {
	unsigned long val;
	struct {
		u64 sd :  1; /* 00 system damage */
		u64 pd :  1; /* 01 instruction-processing damage */
		u64 sr :  1; /* 02 system recovery */
		u64    :  1; /* 03 */
		u64 cd :  1; /* 04 timing-facility damage */
		u64 ed :  1; /* 05 external damage */
		u64    :  1; /* 06 */
		u64 dg :  1; /* 07 degradation */
		u64 w  :  1; /* 08 warning pending */
		u64 cp :  1; /* 09 channel-report pending */
		u64 sp :  1; /* 10 service-processor damage */
		u64 ck :  1; /* 11 channel-subsystem damage */
		u64    :  2; /* 12-13 */
		u64 b  :  1; /* 14 backed up */
		u64    :  1; /* 15 */
		u64 se :  1; /* 16 storage error uncorrected */
		u64 sc :  1; /* 17 storage error corrected */
		u64 ke :  1; /* 18 storage-key error uncorrected */
		u64 ds :  1; /* 19 storage degradation */
		u64 wp :  1; /* 20 psw mwp validity */
		u64 ms :  1; /* 21 psw mask and key validity */
		u64 pm :  1; /* 22 psw program mask and cc validity */
		u64 ia :  1; /* 23 psw instruction address validity */
		u64 fa :  1; /* 24 failing storage address validity */
		u64 vr :  1; /* 25 vector register validity */
		u64 ec :  1; /* 26 external damage code validity */
		u64 fp :  1; /* 27 floating point register validity */
		u64 gr :  1; /* 28 general register validity */
		u64 cr :  1; /* 29 control register validity */
		u64    :  1; /* 30 */
		u64 st :  1; /* 31 storage logical validity */
		u64 ie :  1; /* 32 indirect storage error */
		u64 ar :  1; /* 33 access register validity */
		u64 da :  1; /* 34 delayed access exception */
		u64    :  1; /* 35 */
		u64 gs :  1; /* 36 guarded storage registers */
		u64    :  5; /* 37-41 */
		u64 pr :  1; /* 42 tod programmable register validity */
		u64 fc :  1; /* 43 fp control register validity */
		u64 ap :  1; /* 44 ancillary report */
		u64    :  1; /* 45 */
		u64 ct :  1; /* 46 cpu timer validity */
		u64 cc :  1; /* 47 clock comparator validity */
		u64    : 16; /* 47-63 */
	};
};

#define MCESA_ORIGIN_MASK	(~0x3ffUL)
#define MCESA_LC_MASK		(0xfUL)

struct mcesa {
	u8 vector_save_area[1024];
	u8 guarded_storage_save_area[32];
};

struct pt_regs;

extern void s390_handle_mcck(void);
extern void s390_do_machine_check(struct pt_regs *regs);

#endif /* __ASSEMBLY__ */
#endif /* _ASM_S390_NMI_H */
Commit	Line	Data
f5daba1d HC	1	/*
	2	* Machine check handler definitions
	3	*
a53c8fab	4	* Copyright IBM Corp. 2000, 2009
f5daba1d HC	5	* Author(s): Ingo Adlung <adlung@de.ibm.com>,
	6	* Martin Schwidefsky <schwidefsky@de.ibm.com>,
	7	* Cornelia Huck <cornelia.huck@de.ibm.com>,
	8	* Heiko Carstens <heiko.carstens@de.ibm.com>,
	9	*/
	10
	11	#ifndef _ASM_S390_NMI_H
	12	#define _ASM_S390_NMI_H
	13
83abeffb	14	#include <linux/const.h>
f5daba1d HC	15	#include <linux/types.h>
f5daba1d HC	16
c929500d QH	17	#define MCIC_SUBCLASS_MASK (1ULL<<63 \| 1ULL<<62 \| 1ULL<<61 \| \
	18	1ULL<<59 \| 1ULL<<58 \| 1ULL<<56 \| \
	19	1ULL<<55 \| 1ULL<<54 \| 1ULL<<53 \| \
	20	1ULL<<52 \| 1ULL<<47 \| 1ULL<<46 \| \
	21	1ULL<<45 \| 1ULL<<44)
83abeffb	22	#define MCCK_CODE_SYSTEM_DAMAGE _BITUL(63)
c929500d QH	23	#define MCCK_CODE_EXT_DAMAGE _BITUL(63 - 5)
c929500d QH	24	#define MCCK_CODE_CP _BITUL(63 - 9)
83abeffb HB	25	#define MCCK_CODE_CPU_TIMER_VALID _BITUL(63 - 46)
	26	#define MCCK_CODE_PSW_MWP_VALID _BITUL(63 - 20)
	27	#define MCCK_CODE_PSW_IA_VALID _BITUL(63 - 23)
	28
4d62fcc0 QH	29	#define MCCK_CR14_CR_PENDING_SUB_MASK (1 << 28)
	30	#define MCCK_CR14_RECOVERY_SUB_MASK (1 << 27)
	31	#define MCCK_CR14_DEGRAD_SUB_MASK (1 << 26)
	32	#define MCCK_CR14_EXT_DAMAGE_SUB_MASK (1 << 25)
	33	#define MCCK_CR14_WARN_SUB_MASK (1 << 24)
	34
83abeffb HB	35	#ifndef __ASSEMBLY__
83abeffb HB	36
dc6e1555 HC	37	union mci {
	38	unsigned long val;
	39	struct {
	40	u64 sd : 1; /* 00 system damage */
	41	u64 pd : 1; /* 01 instruction-processing damage */
	42	u64 sr : 1; /* 02 system recovery */
	43	u64 : 1; /* 03 */
	44	u64 cd : 1; /* 04 timing-facility damage */
	45	u64 ed : 1; /* 05 external damage */
	46	u64 : 1; /* 06 */
	47	u64 dg : 1; /* 07 degradation */
	48	u64 w : 1; /* 08 warning pending */
	49	u64 cp : 1; /* 09 channel-report pending */
	50	u64 sp : 1; /* 10 service-processor damage */
	51	u64 ck : 1; /* 11 channel-subsystem damage */
	52	u64 : 2; /* 12-13 */
	53	u64 b : 1; /* 14 backed up */
	54	u64 : 1; /* 15 */
	55	u64 se : 1; /* 16 storage error uncorrected */
	56	u64 sc : 1; /* 17 storage error corrected */
	57	u64 ke : 1; /* 18 storage-key error uncorrected */
	58	u64 ds : 1; /* 19 storage degradation */
	59	u64 wp : 1; /* 20 psw mwp validity */
	60	u64 ms : 1; /* 21 psw mask and key validity */
	61	u64 pm : 1; /* 22 psw program mask and cc validity */
	62	u64 ia : 1; /* 23 psw instruction address validity */
	63	u64 fa : 1; /* 24 failing storage address validity */
	64	u64 vr : 1; /* 25 vector register validity */
	65	u64 ec : 1; /* 26 external damage code validity */
	66	u64 fp : 1; /* 27 floating point register validity */
	67	u64 gr : 1; /* 28 general register validity */
	68	u64 cr : 1; /* 29 control register validity */
	69	u64 : 1; /* 30 */
	70	u64 st : 1; /* 31 storage logical validity */
	71	u64 ie : 1; /* 32 indirect storage error */
	72	u64 ar : 1; /* 33 access register validity */
	73	u64 da : 1; /* 34 delayed access exception */
916cda1a MS	74	u64 : 1; /* 35 */
	75	u64 gs : 1; /* 36 guarded storage registers */
	76	u64 : 5; /* 37-41 */
dc6e1555 HC	77	u64 pr : 1; /* 42 tod programmable register validity */
	78	u64 fc : 1; /* 43 fp control register validity */
	79	u64 ap : 1; /* 44 ancillary report */
	80	u64 : 1; /* 45 */
	81	u64 ct : 1; /* 46 cpu timer validity */
	82	u64 cc : 1; /* 47 clock comparator validity */
	83	u64 : 16; /* 47-63 */
	84	};
f5daba1d HC	85	};
f5daba1d HC	86
916cda1a MS	87	#define MCESA_ORIGIN_MASK (~0x3ffUL)
	88	#define MCESA_LC_MASK (0xfUL)
	89
	90	struct mcesa {
	91	u8 vector_save_area[1024];
	92	u8 guarded_storage_save_area[32];
	93	};
	94
f5daba1d HC	95	struct pt_regs;
	96
	97	extern void s390_handle_mcck(void);
	98	extern void s390_do_machine_check(struct pt_regs *regs);
	99
83abeffb	100	#endif /* __ASSEMBLY__ */
f5daba1d	101	#endif /* _ASM_S390_NMI_H */