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From 27f5d8a3af2863e39b7c46a3128009988d772f15 Mon Sep 17 00:00:00 2001
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From: Thomas Huth <thuth@redhat.com>
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Date: Fri, 29 May 2020 05:54:09 -0400
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Subject: [PATCH 27/42] s390x: protvirt: Move STSI data over SIDAD
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RH-Author: Thomas Huth <thuth@redhat.com>
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Message-id: <20200529055420.16855-28-thuth@redhat.com>
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Patchwork-id: 97046
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O-Subject: [RHEL-8.3.0 qemu-kvm PATCH v2 27/38] s390x: protvirt: Move STSI data over SIDAD
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Bugzilla: 1828317
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RH-Acked-by: Claudio Imbrenda <cimbrend@redhat.com>
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RH-Acked-by: Cornelia Huck <cohuck@redhat.com>
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RH-Acked-by: David Hildenbrand <david@redhat.com>
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From: Janosch Frank <frankja@linux.ibm.com>
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For protected guests, we need to put the STSI emulation results into
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the SIDA, so SIE will write them into the guest at the next entry.
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Signed-off-by: Janosch Frank <frankja@linux.ibm.com>
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Reviewed-by: David Hildenbrand <david@redhat.com>
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Reviewed-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
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Reviewed-by: Cornelia Huck <cohuck@redhat.com>
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Message-Id: <20200319131921.2367-9-frankja@linux.ibm.com>
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Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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(cherry picked from commit 7c713b8acb70fb61f9650f8a7702dec546752bb6)
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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target/s390x/kvm.c | 11 +++++++++--
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1 file changed, 9 insertions(+), 2 deletions(-)
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diff --git a/target/s390x/kvm.c b/target/s390x/kvm.c
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index f67bb5ce2c..6809a5ac40 100644
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--- a/target/s390x/kvm.c
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+++ b/target/s390x/kvm.c
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@@ -50,6 +50,7 @@
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#include "exec/memattrs.h"
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#include "hw/s390x/s390-virtio-ccw.h"
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#include "hw/s390x/s390-virtio-hcall.h"
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+#include "hw/s390x/pv.h"
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#ifndef DEBUG_KVM
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#define DEBUG_KVM 0
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@@ -1803,7 +1804,9 @@ static void insert_stsi_3_2_2(S390CPU *cpu, __u64 addr, uint8_t ar)
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SysIB_322 sysib;
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int del;
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- if (s390_cpu_virt_mem_read(cpu, addr, ar, &sysib, sizeof(sysib))) {
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+ if (s390_is_pv()) {
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+ s390_cpu_pv_mem_read(cpu, 0, &sysib, sizeof(sysib));
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+ } else if (s390_cpu_virt_mem_read(cpu, addr, ar, &sysib, sizeof(sysib))) {
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return;
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}
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/* Shift the stack of Extended Names to prepare for our own data */
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@@ -1843,7 +1846,11 @@ static void insert_stsi_3_2_2(S390CPU *cpu, __u64 addr, uint8_t ar)
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/* Insert UUID */
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memcpy(sysib.vm[0].uuid, &qemu_uuid, sizeof(sysib.vm[0].uuid));
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- s390_cpu_virt_mem_write(cpu, addr, ar, &sysib, sizeof(sysib));
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+ if (s390_is_pv()) {
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+ s390_cpu_pv_mem_write(cpu, 0, &sysib, sizeof(sysib));
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+ } else {
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+ s390_cpu_virt_mem_write(cpu, addr, ar, &sysib, sizeof(sysib));
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+ }
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}
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static int handle_stsi(S390CPU *cpu)
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--
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2.27.0
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