Commit 7455a331 authored by Mete Durlu's avatar Mete Durlu Committed by Vasily Gorbik
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s390/sclp: Diag204 busy indication facility detection 



Detect diag204 busy indication facility.

Acked-by: default avatarHeiko Carstens <hca@linux.ibm.com>
Reviewed-by: default avatarTobias Huschle <huschle@linux.ibm.com>
Signed-off-by: default avatarMete Durlu <meted@linux.ibm.com>
Signed-off-by: default avatarVasily Gorbik <gor@linux.ibm.com>
parent 279a0164

arch/s390/include/asm/sclp.h

+1 −0
Original line number Diff line number Diff line
@@ -84,6 +84,7 @@ struct sclp_info { 
	unsigned char has_ibs : 1;

	unsigned char has_skey : 1;

	unsigned char has_kss : 1;

	unsigned char has_diag204_bif : 1;

	unsigned char has_gisaf : 1;

	unsigned char has_diag318 : 1;

	unsigned char has_diag320 : 1;

drivers/s390/char/sclp_early.c

+1 −0
Original line number Diff line number Diff line
@@ -53,6 +53,7 @@ static void __init sclp_early_facilities_detect(void) 
		get_lowcore()->machine_flags |= MACHINE_FLAG_ESOP;

	if (sccb->fac91 & 0x40)

		get_lowcore()->machine_flags |= MACHINE_FLAG_TLB_GUEST;

	sclp.has_diag204_bif = !!(sccb->fac98 & 0x80);

	if (sccb->cpuoff > 134) {

		sclp.has_diag318 = !!(sccb->byte_134 & 0x80);

		sclp.has_diag320 = !!(sccb->byte_134 & 0x04);