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Re: [PATCH v2] hw: Add compat machines for 7.0

From: Christian Borntraeger
Subject: Re: [PATCH v2] hw: Add compat machines for 7.0
Date: Fri, 17 Dec 2021 15:42:31 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.3.0 


Am 17.12.21 um 15:39 schrieb Cornelia Huck:

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

Acked-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>


s390 parts
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>

---

v1->v2: fix typo in i386 function chaining (thanks danpb!)

---
  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 6bce595aba20..4593fea1ce8a 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 53a99abc5605..a9c15479fe1d 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 a2ef40ecbc24..fccde2ef39f6 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 223dd3e05d15..19991902761e 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 e1e100316d93..2e981f436ce5 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 3b5fd749be89..837342932586 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 653587ea62f4..84e3e63c430d 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 9c1c1901046c..b7b68471ffc1 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -375,6 +375,9 @@ 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 9ab39e428f80..b38947c224cd 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;
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