qemu-kvm/0008-Add-s390x-machine-types.patch

From fa1d70b9a9cfe020e7ebe7798ebb70314658ccf7 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>
---
 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