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Commit 8dfd523f authored by David Hildenbrand's avatar David Hildenbrand Committed by Christian Borntraeger
Browse files

s390/sclp: introduce check for SIE 



This patch adds a way to check if the SIE with zArchitecture support is
available.

Acked-by: default avatarMartin Schwidefsky <schwidefsky@de.ibm.com>
Acked-by: default avatarCornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: default avatarDavid Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: default avatarChristian Borntraeger <borntraeger@de.ibm.com>
parent 4215825e

arch/s390/include/asm/sclp.h

+5 −1
Original line number Diff line number Diff line
@@ -29,7 +29,10 @@ struct sclp_ipl_info { 


struct sclp_core_entry {

	u8 core_id;

	u8 reserved0[2];

	u8 reserved0;

	u8 : 4;

	u8 sief2 : 1;

	u8 : 3;

	u8 : 3;

	u8 siif : 1;

	u8 sigpif : 1;
@@ -55,6 +58,7 @@ struct sclp_info { 
	unsigned char has_sprp : 1;

	unsigned char has_hvs : 1;

	unsigned char has_esca : 1;

	unsigned char has_sief2 : 1;

	unsigned int ibc;

	unsigned int mtid;

	unsigned int mtid_cp;

drivers/s390/char/sclp_early.c

+1 −0
Original line number Diff line number Diff line
@@ -136,6 +136,7 @@ static void __init sclp_facilities_detect(struct read_info_sccb *sccb) 
			continue;

		sclp.has_siif = cpue->siif;

		sclp.has_sigpif = cpue->sigpif;

		sclp.has_sief2 = cpue->sief2;

		break;

	}