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/stp.h | 98 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 arch/s390/include/asm/stp.h (limited to 'arch/s390/include/asm/stp.h') diff --git a/arch/s390/include/asm/stp.h b/arch/s390/include/asm/stp.h new file mode 100644 index 0000000000..4d74d7e333 --- /dev/null +++ b/arch/s390/include/asm/stp.h @@ -0,0 +1,98 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright IBM Corp. 2006 + * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com) + */ +#ifndef __S390_STP_H +#define __S390_STP_H + +#include + +/* notifier for syncs */ +extern struct atomic_notifier_head s390_epoch_delta_notifier; + +/* STP interruption parameter */ +struct stp_irq_parm { + u32 : 14; + u32 tsc : 1; /* Timing status change */ + u32 lac : 1; /* Link availability change */ + u32 tcpc : 1; /* Time control parameter change */ + u32 : 15; +} __packed; + +#define STP_OP_SYNC 1 +#define STP_OP_CTRL 3 + +struct stp_sstpi { + u32 : 32; + u32 tu : 1; + u32 lu : 1; + u32 : 6; + u32 stratum : 8; + u32 vbits : 16; + u32 leaps : 16; + u32 tmd : 4; + u32 ctn : 4; + u32 : 3; + u32 c : 1; + u32 tst : 4; + u32 tzo : 16; + u32 dsto : 16; + u32 ctrl : 16; + u32 : 16; + u32 tto; + u32 : 32; + u32 ctnid[3]; + u32 : 32; + u64 todoff; + u32 rsvd[50]; +} __packed; + +struct stp_tzib { + u32 tzan : 16; + u32 : 16; + u32 tzo : 16; + u32 dsto : 16; + u32 stn; + u32 dstn; + u64 dst_on_alg; + u64 dst_off_alg; +} __packed; + +struct stp_tcpib { + u32 atcode : 4; + u32 ntcode : 4; + u32 d : 1; + u32 : 23; + s32 tto; + struct stp_tzib atzib; + struct stp_tzib ntzib; + s32 adst_offset : 16; + s32 ndst_offset : 16; + u32 rsvd1; + u64 ntzib_update; + u64 ndsto_update; +} __packed; + +struct stp_lsoib { + u32 p : 1; + u32 : 31; + s32 also : 16; + s32 nlso : 16; + u64 nlsout; +} __packed; + +struct stp_stzi { + u32 rsvd0[3]; + u64 data_ts; + u32 rsvd1[22]; + struct stp_tcpib tcpib; + struct stp_lsoib lsoib; +} __packed; + +/* Functions needed by the machine check handler */ +int stp_sync_check(void); +int stp_island_check(void); +void stp_queue_work(void); + +#endif /* __S390_STP_H */ -- cgit v1.2.3