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From 0db8d909a2f3c53d12b0ae12307965f9a8193dbc 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 05:54:19 -0400
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Subject: [PATCH 37/42] s390x/s390-virtio-ccw: Fix build on systems without KVM
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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RH-Author: Thomas Huth <thuth@redhat.com>
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Message-id: <20200529055420.16855-38-thuth@redhat.com>
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Patchwork-id: 97047
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O-Subject: [RHEL-8.3.0 qemu-kvm PATCH v2 37/38] s390x/s390-virtio-ccw: Fix build on systems without KVM
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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: Philippe Mathieu-Daudé <philmd@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: Christian Borntraeger <borntraeger@de.ibm.com>
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linux/kvm.h is not available on all platforms. Let us move
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s390_machine_inject_pv_error into pv.c as it uses KVM structures.
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Also rename the function to s390_pv_inject_reset_error.
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While at it, ipl.h needs an include for "exec/address-spaces.h"
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as it uses address_space_memory.
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Fixes: c3347ed0d2ee ("s390x: protvirt: Support unpack facility")
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Reported-by: Bruce Rogers <brogers@suse.com>
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Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
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Message-Id: <20200406100158.5940-2-borntraeger@de.ibm.com>
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Reviewed-by: David Hildenbrand <david@redhat.com>
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Signed-off-by: Cornelia Huck <cohuck@redhat.com>
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(cherry picked from commit fbc1384ccd48fa7c0c38f950adf7992a4fb6042e)
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Signed-off-by: Danilo C. L. de Paula <ddepaula@redhat.com>
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---
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hw/s390x/ipl.h | 1 +
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hw/s390x/pv.c | 11 +++++++++++
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hw/s390x/s390-virtio-ccw.c | 12 +-----------
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include/hw/s390x/pv.h | 3 +++
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4 files changed, 16 insertions(+), 11 deletions(-)
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diff --git a/hw/s390x/ipl.h b/hw/s390x/ipl.h
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index 89b3044d7a..53cc9eb5ac 100644
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--- a/hw/s390x/ipl.h
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+++ b/hw/s390x/ipl.h
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@@ -14,6 +14,7 @@
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#define HW_S390_IPL_H
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#include "cpu.h"
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+#include "exec/address-spaces.h"
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#include "hw/qdev-core.h"
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struct IPLBlockPVComp {
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diff --git a/hw/s390x/pv.c b/hw/s390x/pv.c
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index cb0dce4a4f..f11868e865 100644
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--- a/hw/s390x/pv.c
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+++ b/hw/s390x/pv.c
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@@ -13,8 +13,10 @@
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#include <linux/kvm.h>
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+#include "cpu.h"
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#include "qemu/error-report.h"
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#include "sysemu/kvm.h"
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+#include "hw/s390x/ipl.h"
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#include "hw/s390x/pv.h"
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static int __s390_pv_cmd(uint32_t cmd, const char *cmdname, void *data)
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@@ -100,3 +102,12 @@ void s390_pv_unshare(void)
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{
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s390_pv_cmd_exit(KVM_PV_UNSHARE_ALL, NULL);
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}
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+
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+void s390_pv_inject_reset_error(CPUState *cs)
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+{
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+ int r1 = (cs->kvm_run->s390_sieic.ipa & 0x00f0) >> 4;
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+ CPUS390XState *env = &S390_CPU(cs)->env;
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+
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+ /* Report that we are unable to enter protected mode */
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+ env->regs[r1 + 1] = DIAG_308_RC_INVAL_FOR_PV;
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+}
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diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
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index c08e42bda1..07773a12b2 100644
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--- a/hw/s390x/s390-virtio-ccw.c
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+++ b/hw/s390x/s390-virtio-ccw.c
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@@ -44,7 +44,6 @@
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#include "sysemu/sysemu.h"
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#include "sysemu/balloon.h"
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#include "hw/s390x/pv.h"
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-#include <linux/kvm.h>
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#include "migration/blocker.h"
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static Error *pv_mig_blocker;
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@@ -391,15 +390,6 @@ out_err:
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return rc;
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}
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-static void s390_machine_inject_pv_error(CPUState *cs)
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-{
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- int r1 = (cs->kvm_run->s390_sieic.ipa & 0x00f0) >> 4;
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- CPUS390XState *env = &S390_CPU(cs)->env;
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-
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- /* Report that we are unable to enter protected mode */
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- env->regs[r1 + 1] = DIAG_308_RC_INVAL_FOR_PV;
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-}
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-
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static void s390_pv_prepare_reset(S390CcwMachineState *ms)
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{
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CPUState *cs;
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@@ -485,7 +475,7 @@ static void s390_machine_reset(MachineState *machine)
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run_on_cpu(cs, s390_do_cpu_reset, RUN_ON_CPU_NULL);
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if (s390_machine_protect(ms)) {
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- s390_machine_inject_pv_error(cs);
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+ s390_pv_inject_reset_error(cs);
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/*
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* Continue after the diag308 so the guest knows something
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* went wrong.
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diff --git a/include/hw/s390x/pv.h b/include/hw/s390x/pv.h
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index c6cb360f2f..522ca6a04e 100644
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--- a/include/hw/s390x/pv.h
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+++ b/include/hw/s390x/pv.h
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@@ -13,6 +13,7 @@
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#define HW_S390_PV_H
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#ifdef CONFIG_KVM
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+#include "cpu.h"
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#include "hw/s390x/s390-virtio-ccw.h"
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static inline bool s390_is_pv(void)
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@@ -41,6 +42,7 @@ int s390_pv_unpack(uint64_t addr, uint64_t size, uint64_t tweak);
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void s390_pv_perf_clear_reset(void);
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int s390_pv_verify(void);
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void s390_pv_unshare(void);
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+void s390_pv_inject_reset_error(CPUState *cs);
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#else /* CONFIG_KVM */
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static inline bool s390_is_pv(void) { return false; }
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static inline int s390_pv_vm_enable(void) { return 0; }
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@@ -50,6 +52,7 @@ static inline int s390_pv_unpack(uint64_t addr, uint64_t size, uint64_t tweak) {
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static inline void s390_pv_perf_clear_reset(void) {}
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static inline int s390_pv_verify(void) { return 0; }
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static inline void s390_pv_unshare(void) {}
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+static inline void s390_pv_inject_reset_error(CPUState *cs) {};
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#endif /* CONFIG_KVM */
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#endif /* HW_S390_PV_H */
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--
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2.27.0
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