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From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>,
Ilya Leoshkevich <iii@linux.ibm.com>,
Pierrick Bouvier <pierrick.bouvier@linaro.org>, qemu-s390x@nongnu.org,
=?UTF-8?q?Daniel=20P=20=2E=20Berrang=C3=A9?= <berrange@redhat.com>,
Halil Pasic <pasic@linux.ibm.com>, David Hildenbrand <david@redhat.com>,
Richard Henderson <richard.henderson@linaro.org>,
Eduardo Habkost <eduardo@habkost.net>, Thomas Huth <thuth@redhat.com>,
Eric Farman <farman@linux.ibm.com>,
"Dr. David Alan Gilbert" <dave@treblig.org>,
Yanan Wang <wangyanan55@huawei.com>, Eric Blake <eblake@redhat.com>,
Zhao Liu <zhao1.liu@intel.com>,
Marcel Apfelbaum <marcel.apfelbaum@gmail.com>,
Markus Armbruster <armbru@redhat.com>,
=?UTF-8?q?Alex=20Benn=C3=A9e?= <alex.bennee@linaro.org>,
Anton Johansson <anjo@rev.ng>,
=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>
Subject: [PATCH v2 2/3] cpus: Introduce SysemuCPUOps::qmp_dump_skeys()
callback
Date: Mon, 10 Mar 2025 14:31:17 +0100
Message-ID: <20250310133118.3881-3-philmd@linaro.org>
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Allow generic CPUs to dump the architecture storage keys.
Being specific to s390x, it is only implemented there.
Signed-off-by: Philippe Mathieu-Daud=C3=A9 <philmd@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
---
include/hw/core/sysemu-cpu-ops.h | 6 ++++++
target/s390x/cpu-system.c | 2 ++
2 files changed, 8 insertions(+)
diff --git a/include/hw/core/sysemu-cpu-ops.h b/include/hw/core/sysemu-cpu-=
ops.h
index 877892373f9..d3534cba65c 100644
--- a/include/hw/core/sysemu-cpu-ops.h
+++ b/include/hw/core/sysemu-cpu-ops.h
@@ -47,6 +47,12 @@ typedef struct SysemuCPUOps {
* a memory access with the specified memory transaction attribu=
tes.
*/
int (*asidx_from_attrs)(CPUState *cpu, MemTxAttrs attrs);
+
+ /**
+ * @qmp_dump_skeys: Callback to dump guest's storage keys to @filename.
+ */
+ void (*qmp_dump_skeys)(const char *filename, Error **errp);
+
/**
* @get_crash_info: Callback for reporting guest crash information in
* GUEST_PANICKED events.
diff --git a/target/s390x/cpu-system.c b/target/s390x/cpu-system.c
index 9b380e343c2..ab7bb8d5cf5 100644
--- a/target/s390x/cpu-system.c
+++ b/target/s390x/cpu-system.c
@@ -38,6 +38,7 @@
#include "system/system.h"
#include "system/tcg.h"
#include "hw/core/sysemu-cpu-ops.h"
+#include "hw/s390x/storage-keys.h"
=20
bool s390_cpu_has_work(CPUState *cs)
{
@@ -179,6 +180,7 @@ static const struct SysemuCPUOps s390_sysemu_ops =3D {
.get_phys_page_debug =3D s390_cpu_get_phys_page_debug,
.get_crash_info =3D s390_cpu_get_crash_info,
.write_elf64_note =3D s390_cpu_write_elf64_note,
+ .qmp_dump_skeys =3D s390_qmp_dump_skeys,
.legacy_vmsd =3D &vmstate_s390_cpu,
};
=20
--=20
2.47.1