X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=hw%2Fs390x%2Fs390-virtio-ccw.c;h=e09bf8f1b6c2f75a51ef01b3257982b463749d96;hb=a0628599fa72524a1f59bbaa7410e6825a8feb3f;hp=811fdf913dd65fbb989ae3fbe07d63863728184b;hpb=6d809e7da943bb4b95b408fbf3d80d097c0f7d38;p=mirror_qemu.git

diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 811fdf913d..e09bf8f1b6 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -15,6 +15,7 @@
 #include "cpu.h"
 #include "hw/boards.h"
 #include "exec/address-spaces.h"
+#include "exec/ram_addr.h"
 #include "hw/s390x/s390-virtio-hcall.h"
 #include "hw/s390x/sclp.h"
 #include "hw/s390x/s390_flic.h"
@@ -22,6 +23,7 @@
 #include "hw/s390x/css.h"
 #include "virtio-ccw.h"
 #include "qemu/config-file.h"
+#include "qemu/ctype.h"
 #include "qemu/error-report.h"
 #include "qemu/option.h"
 #include "s390-pci-bus.h"
@@ -163,6 +165,7 @@ static void s390_memory_init(ram_addr_t mem_size)
     MemoryRegion *sysmem = get_system_memory();
     ram_addr_t chunk, offset = 0;
     unsigned int number = 0;
+    Error *local_err = NULL;
     gchar *name;
 
     /* allocate RAM for core */
@@ -182,6 +185,15 @@ static void s390_memory_init(ram_addr_t mem_size)
     }
     g_free(name);
 
+    /*
+     * Configure the maximum page size. As no memory devices were created
+     * yet, this is the page size of initial memory only.
+     */
+    s390_set_max_pagesize(qemu_maxrampagesize(), &local_err);
+    if (local_err) {
+        error_report_err(local_err);
+        exit(EXIT_FAILURE);
+    }
     /* Initialize storage key device */
     s390_skeys_init();
     /* Initialize storage attributes device */
@@ -253,6 +265,7 @@ static void ccw_init(MachineState *machine)
     DeviceState *dev;
 
     s390_sclp_init();
+    /* init memory + setup max page size. Required for the CPU model */
     s390_memory_init(machine->ram_size);
 
     /* init CPUs (incl. CPU model) early so s390_has_feature() works */
@@ -272,10 +285,6 @@ static void ccw_init(MachineState *machine)
                       machine->initrd_filename, "s390-ccw.img",
                       "s390-netboot.img", true);
 
-    /*
-     * We cannot easily make the pci host bridge conditional as older QEMUs
-     * always created it. Doing so would break migration across QEMU versions.
-     */
     dev = qdev_create(NULL, TYPE_S390_PCI_HOST_BRIDGE);
     object_property_add_child(qdev_get_machine(), TYPE_S390_PCI_HOST_BRIDGE,
                               OBJECT(dev), NULL);
@@ -330,7 +339,7 @@ static inline void s390_do_cpu_ipl(CPUState *cs, run_on_cpu_data arg)
     s390_cpu_set_state(S390_CPU_STATE_OPERATING, cpu);
 }
 
-static void s390_machine_reset(void)
+static void s390_machine_reset(MachineState *machine)
 {
     enum s390_reset reset_type;
     CPUState *cs, *t;
@@ -431,9 +440,9 @@ static HotplugHandler *s390_get_hotplug_handler(MachineState *machine,
     return NULL;
 }
 
-static void s390_hot_add_cpu(const int64_t id, Error **errp)
+static void s390_hot_add_cpu(MachineState *machine,
+                             const int64_t id, Error **errp)
 {
-    MachineState *machine = MACHINE(qdev_get_machine());
     ObjectClass *oc;
 
     g_assert(machine->possible_cpus->cpus[0].cpu);
@@ -650,18 +659,36 @@ 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)
 {
+    static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V4_0 };
+    ccw_machine_4_1_instance_options(machine);
+    s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat);
 }
 
 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)
 {
+    static const S390FeatInit qemu_cpu_feat = { S390_FEAT_LIST_QEMU_V3_1 };
     ccw_machine_4_0_instance_options(machine);
+    s390_cpudef_featoff_greater(14, 1, S390_FEAT_MULTIPLE_EPOCH);
+    s390_cpudef_group_featoff_greater(14, 1, S390_FEAT_GROUP_MULTIPLE_EPOCH_PTFF);
+    s390_set_qemu_cpu_model(0x2827, 12, 2, qemu_cpu_feat);
 }
 
 static void ccw_machine_3_1_class_options(MachineClass *mc)