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authorAlexander Yarygin <yarygin@linux.vnet.ibm.com>2015-07-21 14:10:39 +0300
committerCornelia Huck <cornelia.huck@de.ibm.com>2016-05-17 15:50:29 +0200
commit6aed958978ba9e32301b131e1c5dcadcf952a1ed (patch)
tree9f547873071ea4e342e26f6fd8fa2b36dd082882
parent9946a9113cf5d84c9381342100343aa97f736ee0 (diff)
downloadqemu-arm-6aed958978ba9e32301b131e1c5dcadcf952a1ed.tar.gz
s390x/ipl: Provide ipl parameter block
Right now we return the ipl parameter block only if the guest specified one. Let's fill in the parameter block when bootindex parameter is available and not booting from an external kernel. Signed-off-by: Alexander Yarygin <yarygin@linux.vnet.ibm.com> Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com> Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
-rw-r--r--hw/s390x/ipl.c7
-rw-r--r--hw/s390x/ipl.h1
2 files changed, 8 insertions, 0 deletions
diff --git a/hw/s390x/ipl.c b/hw/s390x/ipl.c
index 236e2c937f..9a73820fd1 100644
--- a/hw/s390x/ipl.c
+++ b/hw/s390x/ipl.c
@@ -238,6 +238,12 @@ static uint64_t s390_update_iplstate(S390IPLState *ipl)
ipl->cssid = ccw_dev->sch->cssid;
ipl->ssid = ccw_dev->sch->ssid;
ipl->devno = ccw_dev->sch->devno;
+ ipl->iplb.len = cpu_to_be32(S390_IPLB_MIN_CCW_LEN);
+ ipl->iplb.blk0_len =
+ cpu_to_be32(S390_IPLB_MIN_CCW_LEN - S390_IPLB_HEADER_LEN);
+ ipl->iplb.pbt = S390_IPL_TYPE_CCW;
+ ipl->iplb.ccw.devno = cpu_to_be16(ccw_dev->sch->devno);
+ ipl->iplb_valid = true;
goto out;
}
}
@@ -292,6 +298,7 @@ static void s390_ipl_reset(DeviceState *dev)
if (!ipl->reipl_requested) {
ipl->iplb_valid = false;
+ memset(&ipl->iplb, 0, sizeof(IplParameterBlock));
}
ipl->reipl_requested = false;
}
diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h
index 08f1d5c385..0b7f6cbecb 100644
--- a/hw/s390x/ipl.h
+++ b/hw/s390x/ipl.h
@@ -102,6 +102,7 @@ typedef struct S390IPLState S390IPLState;
#define S390_IPL_TYPE_FCP 0x00
#define S390_IPL_TYPE_CCW 0x02
+#define S390_IPLB_HEADER_LEN 8
#define S390_IPLB_MIN_CCW_LEN 200
#define S390_IPLB_MIN_FCP_LEN 384