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qemu-kvm/SOURCES/0009-Add-s390x-machine-type...

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From 04178c77cfe188b4eed9c08a0bf66842e61fe5dc Mon Sep 17 00:00:00 2001
From: Miroslav Rezanina <mrezanin@redhat.com>
Date: Fri, 19 Oct 2018 13:47:32 +0200
Subject: Add s390x machine types
Adding changes to add RHEL machine types for s390x architecture.
Signed-off-by: Miroslav Rezanina <mrezanin@redhat.com>
--
Rebase changes (7.1.0):
- Moved adding rhel_old_machine_deprecation variable to general machine types commit
Merged patches (6.1.0):
- 64a9a5c971 hw/s390x: Remove the RHEL7-only machine type
- 395516d62b redhat: s390x: add rhel-8.5.0 compat machine
Merged patches (6.2.0):
- 3bf66f4520 redhat: Add s390x machine type compatibility update for 6.1 rebase
Merged patches (7.0.0):
- e6ff4de4f7 redhat: Add s390x machine type compatibility handling for the rebase to v6.2
- 4b0efa7e21 redhat: Add rhel8.6.0 and rhel9.0.0 machine types for s390x
- dcc64971bf RHEL: mark old machine types as deprecated (partialy)
Merged patches (7.1.0):
- 1d6439527a WRB: Introduce RHEL 9.0.0 hw compat structure (only hw/s390x/s390-virtio-ccw.c chunk)
- c8ad21ca31 redhat: Update s390x machine type compatibility for rebase to QEMU 7.0.0
- 5bcf8d874c target/s390x: deprecate CPUs older than z14
Merged patches (7.2.0):
- 0be2889fa2 Introduce upstream 7.0 compat changes (only applicable parts)
Merged patches (8.0.0):
- 27c188c6a4 redhat: Update s390x machine type compatibility for QEMU 7.2.0 update
- a932b8d429 redhat: Add new rhel-9.2.0 s390x machine type
- ac88104bad s390x/s390-virtio-ccw: Activate zPCI features on s390-ccw-virtio-rhel8.6.0
Merged patches (8.1.0):
- bd5d81d286 Add RHEL 9.2.0 compat structure (s390x part)
Merged patches (8.2.0):
- 4ee284aca9 Add machine types compat bits. (partial)
---
hw/s390x/s390-virtio-ccw.c | 159 +++++++++++++++++++++++++++++++
target/s390x/cpu_models.c | 11 +++
target/s390x/cpu_models.h | 2 +
target/s390x/cpu_models_sysemu.c | 2 +
4 files changed, 174 insertions(+)
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index b1dcb3857f..ff753a29e0 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -859,6 +859,7 @@ bool css_migration_enabled(void)
} \
type_init(ccw_machine_register_##suffix)
+#if 0 /* Disabled for Red Hat Enterprise Linux */
static void ccw_machine_9_0_instance_options(MachineState *machine)
{
}
@@ -1272,6 +1273,164 @@ static void ccw_machine_2_4_class_options(MachineClass *mc)
compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
}
DEFINE_CCW_MACHINE(2_4, "2.4", false);
+#endif
+
+
+static void ccw_machine_rhel940_instance_options(MachineState *machine)
+{
+}
+
+static void ccw_machine_rhel940_class_options(MachineClass *mc)
+{
+}
+DEFINE_CCW_MACHINE(rhel940, "rhel9.4.0", true);
+
+static void ccw_machine_rhel920_instance_options(MachineState *machine)
+{
+ ccw_machine_rhel940_instance_options(machine);
+}
+
+static void ccw_machine_rhel920_class_options(MachineClass *mc)
+{
+ ccw_machine_rhel940_class_options(mc);
+ compat_props_add(mc->compat_props, hw_compat_rhel_9_4, hw_compat_rhel_9_4_len);
+ compat_props_add(mc->compat_props, hw_compat_rhel_9_3, hw_compat_rhel_9_3_len);
+ compat_props_add(mc->compat_props, hw_compat_rhel_9_2, hw_compat_rhel_9_2_len);
+ mc->smp_props.drawers_supported = false; /* from ccw_machine_8_1 */
+ mc->smp_props.books_supported = false; /* from ccw_machine_8_1 */
+}
+DEFINE_CCW_MACHINE(rhel920, "rhel9.2.0", false);
+
+static void ccw_machine_rhel900_instance_options(MachineState *machine)
+{
+ static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V6_2 };
+
+ ccw_machine_rhel920_instance_options(machine);
+
+ s390_set_qemu_cpu_model(0x3906, 14, 2, qemu_cpu_feat);
+ s390_cpudef_featoff_greater(16, 1, S390_FEAT_PAIE);
+}
+
+static void ccw_machine_rhel900_class_options(MachineClass *mc)
+{
+ S390CcwMachineClass *s390mc = S390_CCW_MACHINE_CLASS(mc);
+ static GlobalProperty compat[] = {
+ { TYPE_S390_PCI_DEVICE, "interpret", "off", },
+ { TYPE_S390_PCI_DEVICE, "forwarding-assist", "off", },
+ };
+
+ ccw_machine_rhel920_class_options(mc);
+
+ compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
+ compat_props_add(mc->compat_props, hw_compat_rhel_9_1, hw_compat_rhel_9_1_len);
+ compat_props_add(mc->compat_props, hw_compat_rhel_9_0, hw_compat_rhel_9_0_len);
+ s390mc->max_threads = S390_MAX_CPUS;
+}
+DEFINE_CCW_MACHINE(rhel900, "rhel9.0.0", false);
+
+static void ccw_machine_rhel860_instance_options(MachineState *machine)
+{
+ /* Note: The -rhel8.6.0 and -rhel9.0.0 machines are technically identical */
+ ccw_machine_rhel900_instance_options(machine);
+}
+
+static void ccw_machine_rhel860_class_options(MachineClass *mc)
+{
+ static GlobalProperty compat[] = {
+ { TYPE_S390_PCI_DEVICE, "interpret", "on", },
+ { TYPE_S390_PCI_DEVICE, "forwarding-assist", "on", },
+ };
+
+ ccw_machine_rhel900_class_options(mc);
+ compat_props_add(mc->compat_props, hw_compat_rhel_8_6, hw_compat_rhel_8_6_len);
+ compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
+
+ /* All RHEL machines for prior major releases are deprecated */
+ mc->deprecation_reason = rhel_old_machine_deprecation;
+}
+DEFINE_CCW_MACHINE(rhel860, "rhel8.6.0", false);
+
+static void ccw_machine_rhel850_instance_options(MachineState *machine)
+{
+ static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V6_0 };
+
+ ccw_machine_rhel860_instance_options(machine);
+
+ s390_set_qemu_cpu_model(0x2964, 13, 2, qemu_cpu_feat);
+
+ s390_cpudef_featoff_greater(16, 1, S390_FEAT_NNPA);
+ s390_cpudef_featoff_greater(16, 1, S390_FEAT_VECTOR_PACKED_DECIMAL_ENH2);
+ s390_cpudef_featoff_greater(16, 1, S390_FEAT_BEAR_ENH);
+ s390_cpudef_featoff_greater(16, 1, S390_FEAT_RDP);
+ s390_cpudef_featoff_greater(16, 1, S390_FEAT_PAI);
+}
+
+static void ccw_machine_rhel850_class_options(MachineClass *mc)
+{
+ static GlobalProperty compat[] = {
+ { TYPE_S390_PCI_DEVICE, "interpret", "off", },
+ { TYPE_S390_PCI_DEVICE, "forwarding-assist", "off", },
+ };
+
+ ccw_machine_rhel860_class_options(mc);
+ compat_props_add(mc->compat_props, hw_compat_rhel_8_5, hw_compat_rhel_8_5_len);
+ compat_props_add(mc->compat_props, compat, G_N_ELEMENTS(compat));
+ mc->smp_props.prefer_sockets = true;
+}
+DEFINE_CCW_MACHINE(rhel850, "rhel8.5.0", false);
+
+static void ccw_machine_rhel840_instance_options(MachineState *machine)
+{
+ ccw_machine_rhel850_instance_options(machine);
+}
+
+static void ccw_machine_rhel840_class_options(MachineClass *mc)
+{
+ ccw_machine_rhel850_class_options(mc);
+ compat_props_add(mc->compat_props, hw_compat_rhel_8_4, hw_compat_rhel_8_4_len);
+}
+DEFINE_CCW_MACHINE(rhel840, "rhel8.4.0", false);
+
+static void ccw_machine_rhel820_instance_options(MachineState *machine)
+{
+ ccw_machine_rhel840_instance_options(machine);
+}
+
+static void ccw_machine_rhel820_class_options(MachineClass *mc)
+{
+ ccw_machine_rhel840_class_options(mc);
+ mc->fixup_ram_size = s390_fixup_ram_size;
+ /* we did not publish a rhel8.3.0 machine */
+ compat_props_add(mc->compat_props, hw_compat_rhel_8_3, hw_compat_rhel_8_3_len);
+ compat_props_add(mc->compat_props, hw_compat_rhel_8_2, hw_compat_rhel_8_2_len);
+}
+DEFINE_CCW_MACHINE(rhel820, "rhel8.2.0", false);
+
+static void ccw_machine_rhel760_instance_options(MachineState *machine)
+{
+ static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V3_1 };
+
+ ccw_machine_rhel820_instance_options(machine);
+
+ s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat);
+
+ /* The multiple-epoch facility was not available with rhel7.6.0 on z14GA1 */
+ s390_cpudef_featoff(14, 1, S390_FEAT_MULTIPLE_EPOCH);
+ s390_cpudef_featoff(14, 1, S390_FEAT_PTFF_QSIE);
+ s390_cpudef_featoff(14, 1, S390_FEAT_PTFF_QTOUE);
+ s390_cpudef_featoff(14, 1, S390_FEAT_PTFF_STOE);
+ s390_cpudef_featoff(14, 1, S390_FEAT_PTFF_STOUE);
+}
+
+static void ccw_machine_rhel760_class_options(MachineClass *mc)
+{
+ ccw_machine_rhel820_class_options(mc);
+ /* We never published the s390x version of RHEL-AV 8.0 and 8.1, so add this here */
+ compat_props_add(mc->compat_props, hw_compat_rhel_8_1, hw_compat_rhel_8_1_len);
+ compat_props_add(mc->compat_props, hw_compat_rhel_8_0, hw_compat_rhel_8_0_len);
+ compat_props_add(mc->compat_props, hw_compat_rhel_7_6, hw_compat_rhel_7_6_len);
+}
+DEFINE_CCW_MACHINE(rhel760, "rhel7.6.0", false);
static void ccw_machine_register_types(void)
{
diff --git a/target/s390x/cpu_models.c b/target/s390x/cpu_models.c
index 8ed3bb6a27..370b3b3065 100644
--- a/target/s390x/cpu_models.c
+++ b/target/s390x/cpu_models.c
@@ -46,6 +46,9 @@
* of a following release have been a superset of the previous release. With
* generation 15 one base feature and one optional feature have been deprecated.
*/
+
+#define RHEL_CPU_DEPRECATION "use at least 'z14', or 'host' / 'qemu' / 'max'"
+
static S390CPUDef s390_cpu_defs[] = {
CPUDEF_INIT(0x2064, 7, 1, 38, 0x00000000U, "z900", "IBM zSeries 900 GA1"),
CPUDEF_INIT(0x2064, 7, 2, 38, 0x00000000U, "z900.2", "IBM zSeries 900 GA2"),
@@ -866,22 +869,30 @@ static void s390_host_cpu_model_class_init(ObjectClass *oc, void *data)
static void s390_base_cpu_model_class_init(ObjectClass *oc, void *data)
{
S390CPUClass *xcc = S390_CPU_CLASS(oc);
+ CPUClass *cc = CPU_CLASS(oc);
/* all base models are migration safe */
xcc->cpu_def = (const S390CPUDef *) data;
xcc->is_migration_safe = true;
xcc->is_static = true;
xcc->desc = xcc->cpu_def->desc;
+ if (xcc->cpu_def->gen < 14) {
+ cc->deprecation_note = RHEL_CPU_DEPRECATION;
+ }
}
static void s390_cpu_model_class_init(ObjectClass *oc, void *data)
{
S390CPUClass *xcc = S390_CPU_CLASS(oc);
+ CPUClass *cc = CPU_CLASS(oc);
/* model that can change between QEMU versions */
xcc->cpu_def = (const S390CPUDef *) data;
xcc->is_migration_safe = true;
xcc->desc = xcc->cpu_def->desc;
+ if (xcc->cpu_def->gen < 14) {
+ cc->deprecation_note = RHEL_CPU_DEPRECATION;
+ }
}
static void s390_qemu_cpu_model_class_init(ObjectClass *oc, void *data)
diff --git a/target/s390x/cpu_models.h b/target/s390x/cpu_models.h
index d7b8912989..1a806a97c4 100644
--- a/target/s390x/cpu_models.h
+++ b/target/s390x/cpu_models.h
@@ -38,6 +38,8 @@ typedef struct S390CPUDef {
S390FeatBitmap full_feat;
/* used to init full_feat from generated data */
S390FeatInit full_init;
+ /* if deprecated, provides a suggestion */
+ const char *deprecation_note;
} S390CPUDef;
/* CPU model based on a CPU definition */
diff --git a/target/s390x/cpu_models_sysemu.c b/target/s390x/cpu_models_sysemu.c
index 0728bfcc20..ca2e5d91e2 100644
--- a/target/s390x/cpu_models_sysemu.c
+++ b/target/s390x/cpu_models_sysemu.c
@@ -59,6 +59,7 @@ static void create_cpu_model_list(ObjectClass *klass, void *opaque)
CpuDefinitionInfo *info;
char *name = g_strdup(object_class_get_name(klass));
S390CPUClass *scc = S390_CPU_CLASS(klass);
+ CPUClass *cc = CPU_CLASS(klass);
/* strip off the -s390x-cpu */
g_strrstr(name, "-" TYPE_S390_CPU)[0] = 0;
@@ -68,6 +69,7 @@ static void create_cpu_model_list(ObjectClass *klass, void *opaque)
info->migration_safe = scc->is_migration_safe;
info->q_static = scc->is_static;
info->q_typename = g_strdup(object_class_get_name(klass));
+ info->deprecated = !!cc->deprecation_note;
/* check for unavailable features */
if (cpu_list_data->model) {
Object *obj;
--
2.39.3
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