Merge remote-tracking branch 'remotes/ehabkost/tags/machine-next-pull-request' into staging

Machine queue, 2019-04-25

* 4.1 machine-types (Cornelia Huck)
* Support MAP_SYNC on pmem memory backends (Zhang Yi)
* -cpu parsing fixes and cleanups (Eduardo Habkost)
* machine initialization cleanups (Wei Yang, Markus Armbruster)

# gpg: Signature made Thu 25 Apr 2019 18:54:57 BST
# gpg:                using RSA key 2807936F984DC5A6
# gpg: Good signature from "Eduardo Habkost <ehabkost@redhat.com>" [full]
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF  D1AA 2807 936F 984D C5A6

* remotes/ehabkost/tags/machine-next-pull-request:
  util/mmap-alloc: support MAP_SYNC in qemu_ram_mmap()
  linux-headers: add linux/mman.h.
  scripts/update-linux-headers: add linux/mman.h
  util/mmap-alloc: Add a 'is_pmem' parameter to qemu_ram_mmap
  cpu: Fix crash with empty -cpu option
  cpu: Rename parse_cpu_model() to parse_cpu_option()
  vl: Simplify machine_parse()
  vl: Clean up after previous commit
  vl.c: allocate TYPE_MACHINE list once during bootup
  vl.c: make find_default_machine() local
  hw: add compat machines for 4.1

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

7 files changed, 65 insertions, 6 deletions

diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index ce2664a30b..16ba67f7a7 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -1978,10 +1978,17 @@ static void machvirt_machine_init(void)
 }
 type_init(machvirt_machine_init);
 
+static void virt_machine_4_1_options(MachineClass *mc)
+{
+}
+DEFINE_VIRT_MACHINE_AS_LATEST(4, 1)
+
 static void virt_machine_4_0_options(MachineClass *mc)
 {
+    virt_machine_4_1_options(mc);
+    compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len);
 }
-DEFINE_VIRT_MACHINE_AS_LATEST(4, 0)
+DEFINE_VIRT_MACHINE(4, 0)
 
 static void virt_machine_3_1_options(MachineClass *mc)
 {
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 743fef2898..5d046a43e3 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -24,6 +24,9 @@
 #include "hw/pci/pci.h"
 #include "hw/mem/nvdimm.h"
 
+GlobalProperty hw_compat_4_0[] = {};
+const size_t hw_compat_4_0_len = G_N_ELEMENTS(hw_compat_4_0);
+
 GlobalProperty hw_compat_3_1[] = {
     { "pcie-root-port", "x-speed", "2_5" },
     { "pcie-root-port", "x-width", "1" },
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index f2c15bf1f2..d98b737b8f 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -115,6 +115,9 @@ struct hpet_fw_config hpet_cfg = {.count = UINT8_MAX};
 /* Physical Address of PVH entry point read from kernel ELF NOTE */
 static size_t pvh_start_addr;
 
+GlobalProperty pc_compat_4_0[] = {};
+const size_t pc_compat_4_0_len = G_N_ELEMENTS(pc_compat_4_0);
+
 GlobalProperty pc_compat_3_1[] = {
     { "intel-iommu", "dma-drain", "off" },
     { "Opteron_G3" "-" TYPE_X86_CPU, "rdtscp", "off" },
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 8ad8e885c6..2a7700b564 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -428,13 +428,25 @@ static void pc_i440fx_machine_options(MachineClass *m)
     machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE);
 }
 
-static void pc_i440fx_4_0_machine_options(MachineClass *m)
+static void pc_i440fx_4_1_machine_options(MachineClass *m)
 {
     pc_i440fx_machine_options(m);
     m->alias = "pc";
     m->is_default = 1;
 }
 
+DEFINE_I440FX_MACHINE(v4_1, "pc-i440fx-4.1", NULL,
+                      pc_i440fx_4_1_machine_options);
+
+static void pc_i440fx_4_0_machine_options(MachineClass *m)
+{
+    pc_i440fx_4_1_machine_options(m);
+    m->alias = NULL;
+    m->is_default = 0;
+    compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len);
+    compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len);
+}
+
 DEFINE_I440FX_MACHINE(v4_0, "pc-i440fx-4.0", NULL,
                       pc_i440fx_4_0_machine_options);
 
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 372c6b73be..37dd350511 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -365,12 +365,23 @@ static void pc_q35_machine_options(MachineClass *m)
     m->max_cpus = 288;
 }
 
-static void pc_q35_4_0_machine_options(MachineClass *m)
+static void pc_q35_4_1_machine_options(MachineClass *m)
 {
     pc_q35_machine_options(m);
     m->alias = "q35";
 }
 
+DEFINE_Q35_MACHINE(v4_1, "pc-q35-4.1", NULL,
+                   pc_q35_4_1_machine_options);
+
+static void pc_q35_4_0_machine_options(MachineClass *m)
+{
+    pc_q35_4_1_machine_options(m);
+    m->alias = NULL;
+    compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len);
+    compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len);
+}
+
 DEFINE_Q35_MACHINE(v4_0, "pc-q35-4.0", NULL,
                    pc_q35_4_0_machine_options);
 
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index b52b82d298..8438741ec2 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -4345,14 +4345,25 @@ static const TypeInfo spapr_machine_info = {
     type_init(spapr_machine_register_##suffix)
 
 /*
+ * pseries-4.1
+ */
+static void spapr_machine_4_1_class_options(MachineClass *mc)
+{
+    /* Defaults for the latest behaviour inherited from the base class */
+}
+
+DEFINE_SPAPR_MACHINE(4_1, "4.1", true);
+
+/*
  * pseries-4.0
  */
 static void spapr_machine_4_0_class_options(MachineClass *mc)
 {
-    /* Defaults for the latest behaviour inherited from the base class */
+    spapr_machine_4_1_class_options(mc);
+    compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len);
 }
 
-DEFINE_SPAPR_MACHINE(4_0, "4.0", true);
+DEFINE_SPAPR_MACHINE(4_0, "4.0", false);
 
 /*
  * pseries-3.1
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 7e256d3d31..bbc6e8fa0b 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -658,14 +658,26 @@ bool css_migration_enabled(void)
     }                                                                         \
     type_init(ccw_machine_register_##suffix)
 
+static void ccw_machine_4_1_instance_options(MachineState *machine)
+{
+}
+
+static void ccw_machine_4_1_class_options(MachineClass *mc)
+{
+}
+DEFINE_CCW_MACHINE(4_1, "4.1", true);
+
 static void ccw_machine_4_0_instance_options(MachineState *machine)
 {
+    ccw_machine_4_1_instance_options(machine);
 }
 
 static void ccw_machine_4_0_class_options(MachineClass *mc)
 {
+    ccw_machine_4_1_class_options(mc);
+    compat_props_add(mc->compat_props, hw_compat_4_0, hw_compat_4_0_len);
 }
-DEFINE_CCW_MACHINE(4_0, "4.0", true);
+DEFINE_CCW_MACHINE(4_0, "4.0", false);
 
 static void ccw_machine_3_1_instance_options(MachineState *machine)
 {