[PULL 1/8] hw: Add compat machines for 7.0

[Thomas Huth <thuth@redhat.com>]

From: Cornelia Huck <cohuck@redhat.com>

Add 7.0 machine types for arm/i440fx/q35/s390x/spapr.

Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20211217143948.289995-1-cohuck@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 hw/arm/virt.c              |  9 ++++++++-
 hw/core/machine.c          |  3 +++
 hw/i386/pc.c               |  3 +++
 hw/i386/pc_piix.c          | 14 +++++++++++++-
 hw/i386/pc_q35.c           | 13 ++++++++++++-
 hw/ppc/spapr.c             | 15 +++++++++++++--
 hw/s390x/s390-virtio-ccw.c | 14 +++++++++++++-
 include/hw/boards.h        |  3 +++
 include/hw/i386/pc.h       |  3 +++
 9 files changed, 71 insertions(+), 6 deletions(-)

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 6bce595aba..4593fea1ce 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -2856,10 +2856,17 @@ static void machvirt_machine_init(void)
 }
 type_init(machvirt_machine_init);
 
+static void virt_machine_7_0_options(MachineClass *mc)
+{
+}
+DEFINE_VIRT_MACHINE_AS_LATEST(7, 0)
+
 static void virt_machine_6_2_options(MachineClass *mc)
 {
+    virt_machine_7_0_options(mc);
+    compat_props_add(mc->compat_props, hw_compat_6_2, hw_compat_6_2_len);
 }
-DEFINE_VIRT_MACHINE_AS_LATEST(6, 2)
+DEFINE_VIRT_MACHINE(6, 2)
 
 static void virt_machine_6_1_options(MachineClass *mc)
 {
diff --git a/hw/core/machine.c b/hw/core/machine.c
index a4a2df405f..debcdc0e70 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -37,6 +37,9 @@
 #include "hw/virtio/virtio.h"
 #include "hw/virtio/virtio-pci.h"
 
+GlobalProperty hw_compat_6_2[] = {};
+const size_t hw_compat_6_2_len = G_N_ELEMENTS(hw_compat_6_2);
+
 GlobalProperty hw_compat_6_1[] = {
     { "vhost-user-vsock-device", "seqpacket", "off" },
     { "nvme-ns", "shared", "off" },
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index a2ef40ecbc..fccde2ef39 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -94,6 +94,9 @@
 #include "trace.h"
 #include CONFIG_DEVICES
 
+GlobalProperty pc_compat_6_2[] = {};
+const size_t pc_compat_6_2_len = G_N_ELEMENTS(pc_compat_6_2);
+
 GlobalProperty pc_compat_6_1[] = {
     { TYPE_X86_CPU, "hv-version-id-build", "0x1bbc" },
     { TYPE_X86_CPU, "hv-version-id-major", "0x0006" },
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 223dd3e05d..1999190276 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -413,7 +413,7 @@ static void pc_i440fx_machine_options(MachineClass *m)
     machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE);
 }
 
-static void pc_i440fx_6_2_machine_options(MachineClass *m)
+static void pc_i440fx_7_0_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
     pc_i440fx_machine_options(m);
@@ -422,6 +422,18 @@ static void pc_i440fx_6_2_machine_options(MachineClass *m)
     pcmc->default_cpu_version = 1;
 }
 
+DEFINE_I440FX_MACHINE(v7_0, "pc-i440fx-7.0", NULL,
+                      pc_i440fx_7_0_machine_options);
+
+static void pc_i440fx_6_2_machine_options(MachineClass *m)
+{
+    pc_i440fx_7_0_machine_options(m);
+    m->alias = NULL;
+    m->is_default = false;
+    compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len);
+    compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len);
+}
+
 DEFINE_I440FX_MACHINE(v6_2, "pc-i440fx-6.2", NULL,
                       pc_i440fx_6_2_machine_options);
 
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index e1e100316d..2e981f436c 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -360,7 +360,7 @@ static void pc_q35_machine_options(MachineClass *m)
     m->max_cpus = 288;
 }
 
-static void pc_q35_6_2_machine_options(MachineClass *m)
+static void pc_q35_7_0_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
     pc_q35_machine_options(m);
@@ -368,6 +368,17 @@ static void pc_q35_6_2_machine_options(MachineClass *m)
     pcmc->default_cpu_version = 1;
 }
 
+DEFINE_Q35_MACHINE(v7_0, "pc-q35-7.0", NULL,
+                   pc_q35_7_0_machine_options);
+
+static void pc_q35_6_2_machine_options(MachineClass *m)
+{
+    pc_q35_7_0_machine_options(m);
+    m->alias = NULL;
+    compat_props_add(m->compat_props, hw_compat_6_2, hw_compat_6_2_len);
+    compat_props_add(m->compat_props, pc_compat_6_2, pc_compat_6_2_len);
+}
+
 DEFINE_Q35_MACHINE(v6_2, "pc-q35-6.2", NULL,
                    pc_q35_6_2_machine_options);
 
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 3b5fd749be..8373429325 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -4665,15 +4665,26 @@ static void spapr_machine_latest_class_options(MachineClass *mc)
     }                                                                \
     type_init(spapr_machine_register_##suffix)
 
+/*
+ * pseries-7.0
+ */
+static void spapr_machine_7_0_class_options(MachineClass *mc)
+{
+    /* Defaults for the latest behaviour inherited from the base class */
+}
+
+DEFINE_SPAPR_MACHINE(7_0, "7.0", true);
+
 /*
  * pseries-6.2
  */
 static void spapr_machine_6_2_class_options(MachineClass *mc)
 {
-    /* Defaults for the latest behaviour inherited from the base class */
+    spapr_machine_7_0_class_options(mc);
+    compat_props_add(mc->compat_props, hw_compat_6_2, hw_compat_6_2_len);
 }
 
-DEFINE_SPAPR_MACHINE(6_2, "6.2", true);
+DEFINE_SPAPR_MACHINE(6_2, "6.2", false);
 
 /*
  * pseries-6.1
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 653587ea62..84e3e63c43 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -791,14 +791,26 @@ bool css_migration_enabled(void)
     }                                                                         \
     type_init(ccw_machine_register_##suffix)
 
+static void ccw_machine_7_0_instance_options(MachineState *machine)
+{
+}
+
+static void ccw_machine_7_0_class_options(MachineClass *mc)
+{
+}
+DEFINE_CCW_MACHINE(7_0, "7.0", true);
+
 static void ccw_machine_6_2_instance_options(MachineState *machine)
 {
+    ccw_machine_7_0_instance_options(machine);
 }
 
 static void ccw_machine_6_2_class_options(MachineClass *mc)
 {
+    ccw_machine_7_0_class_options(mc);
+    compat_props_add(mc->compat_props, hw_compat_6_2, hw_compat_6_2_len);
 }
-DEFINE_CCW_MACHINE(6_2, "6.2", true);
+DEFINE_CCW_MACHINE(6_2, "6.2", false);
 
 static void ccw_machine_6_1_instance_options(MachineState *machine)
 {
diff --git a/include/hw/boards.h b/include/hw/boards.h
index f49a2578ea..c92ac8815c 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -380,6 +380,9 @@ struct MachineState {
     } \
     type_init(machine_initfn##_register_types)
 
+extern GlobalProperty hw_compat_6_2[];
+extern const size_t hw_compat_6_2_len;
+
 extern GlobalProperty hw_compat_6_1[];
 extern const size_t hw_compat_6_1_len;
 
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 9ab39e428f..b38947c224 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -196,6 +196,9 @@ void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
 /* sgx.c */
 void pc_machine_init_sgx_epc(PCMachineState *pcms);
 
+extern GlobalProperty pc_compat_6_2[];
+extern const size_t pc_compat_6_2_len;
+
 extern GlobalProperty pc_compat_6_1[];
 extern const size_t pc_compat_6_1_len;
 
-- 
2.27.0