[Qemu-devel] [PATCH V3 5/5] machine: remove QEMUMachine indirection from MachineClass

[Marcel Apfelbaum]

No need to go through qemu_machine field. Use
MachineClass fields directly.

Signed-off-by: Marcel Apfelbaum <address@hidden>
---
 device-hotplug.c    |  2 +-
 hw/ppc/spapr.c      | 26 ++++++++----------
 include/hw/boards.h |  1 -
 qmp.c               |  4 +--
 vl.c                | 79 ++++++++++++++++++++++++-----------------------------
 5 files changed, 50 insertions(+), 62 deletions(-)

diff --git a/device-hotplug.c b/device-hotplug.c
index ebfa6b1..eecb08e 100644
--- a/device-hotplug.c
+++ b/device-hotplug.c
@@ -40,7 +40,7 @@ DriveInfo *add_init_drive(const char *optstr)
         return NULL;
 
     mc = MACHINE_GET_CLASS(current_machine);
-    dinfo = drive_init(opts, mc->qemu_machine->block_default_type);
+    dinfo = drive_init(opts, mc->block_default_type);
     if (!dinfo) {
         qemu_opts_del(opts);
         return NULL;
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index a11e121..b4ce950 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -1419,19 +1419,6 @@ static int spapr_kvm_type(const char *vm_type)
     exit(1);
 }
 
-static QEMUMachine spapr_machine = {
-    .name = "pseries",
-    .desc = "pSeries Logical Partition (PAPR compliant)",
-    .is_default = 1,
-    .init = ppc_spapr_init,
-    .reset = ppc_spapr_reset,
-    .block_default_type = IF_SCSI,
-    .max_cpus = MAX_CPUS,
-    .no_parallel = 1,
-    .default_boot_order = NULL,
-    .kvm_type = spapr_kvm_type,
-};
-
 /*
  * Implementation of an interface to adjust firmware patch
  * for the bootindex property handling.
@@ -1494,7 +1481,17 @@ static void spapr_machine_class_init(ObjectClass *oc, 
void *data)
     MachineClass *mc = MACHINE_CLASS(oc);
     FWPathProviderClass *fwc = FW_PATH_PROVIDER_CLASS(oc);
 
-    mc->qemu_machine = data;
+    mc->name = "pseries";
+    mc->desc = "pSeries Logical Partition (PAPR compliant)";
+    mc->is_default = 1;
+    mc->init = ppc_spapr_init;
+    mc->reset = ppc_spapr_reset;
+    mc->block_default_type = IF_SCSI;
+    mc->max_cpus = MAX_CPUS;
+    mc->no_parallel = 1;
+    mc->default_boot_order = NULL;
+    mc->kvm_type = spapr_kvm_type;
+
     fwc->get_dev_path = spapr_get_fw_dev_path;
 }
 
@@ -1502,7 +1499,6 @@ static const TypeInfo spapr_machine_info = {
     .name          = TYPE_SPAPR_MACHINE,
     .parent        = TYPE_MACHINE,
     .class_init    = spapr_machine_class_init,
-    .class_data    = &spapr_machine,
     .interfaces = (InterfaceInfo[]) {
         { TYPE_FW_PATH_PROVIDER },
         { }
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 51211a6..66ee98a 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -77,7 +77,6 @@ struct MachineClass {
     ObjectClass parent_class;
     /*< public >*/
 
-    QEMUMachine *qemu_machine;
     const char *name;
     const char *alias;
     const char *desc;
diff --git a/qmp.c b/qmp.c
index 87a28f7..26eb589 100644
--- a/qmp.c
+++ b/qmp.c
@@ -117,8 +117,8 @@ void qmp_cpu_add(int64_t id, Error **errp)
     MachineClass *mc;
 
     mc = MACHINE_GET_CLASS(current_machine);
-    if (mc->qemu_machine->hot_add_cpu) {
-        mc->qemu_machine->hot_add_cpu(id, errp);
+    if (mc->hot_add_cpu) {
+        mc->hot_add_cpu(id, errp);
     } else {
         error_setg(errp, "Not supported");
     }
diff --git a/vl.c b/vl.c
index 5119937..190bd5d 100644
--- a/vl.c
+++ b/vl.c
@@ -1585,8 +1585,6 @@ static void machine_class_init(ObjectClass *oc, void 
*data)
     MachineClass *mc = MACHINE_CLASS(oc);
     QEMUMachine *qm = data;
 
-    mc->qemu_machine = data;
-
     mc->name = qm->name;
     mc->alias = qm->alias;
     mc->desc = qm->desc;
@@ -1634,12 +1632,12 @@ static MachineClass *find_machine(const char *name)
     for (el = machines; el; el = el->next) {
         MachineClass *temp = el->data;
 
-        if (!strcmp(temp->qemu_machine->name, name)) {
+        if (!strcmp(temp->name, name)) {
             mc = temp;
             break;
         }
-        if (temp->qemu_machine->alias &&
-            !strcmp(temp->qemu_machine->alias, name)) {
+        if (temp->alias &&
+            !strcmp(temp->alias, name)) {
             mc = temp;
             break;
         }
@@ -1657,7 +1655,7 @@ MachineClass *find_default_machine(void)
     for (el = machines; el; el = el->next) {
         MachineClass *temp = el->data;
 
-        if (temp->qemu_machine->is_default) {
+        if (temp->is_default) {
             mc = temp;
             break;
         }
@@ -1671,27 +1669,25 @@ MachineInfoList *qmp_query_machines(Error **errp)
 {
     GSList *el, *machines = object_class_get_list(TYPE_MACHINE, false);
     MachineInfoList *mach_list = NULL;
-    QEMUMachine *m;
 
     for (el = machines; el; el = el->next) {
         MachineClass *mc = el->data;
         MachineInfoList *entry;
         MachineInfo *info;
 
-        m = mc->qemu_machine;
         info = g_malloc0(sizeof(*info));
-        if (m->is_default) {
+        if (mc->is_default) {
             info->has_is_default = true;
             info->is_default = true;
         }
 
-        if (m->alias) {
+        if (mc->alias) {
             info->has_alias = true;
-            info->alias = g_strdup(m->alias);
+            info->alias = g_strdup(mc->alias);
         }
 
-        info->name = g_strdup(m->name);
-        info->cpu_max = !m->max_cpus ? 1 : m->max_cpus;
+        info->name = g_strdup(mc->name);
+        info->cpu_max = !mc->max_cpus ? 1 : mc->max_cpus;
 
         entry = g_malloc0(sizeof(*entry));
         entry->value = info;
@@ -1897,8 +1893,8 @@ void qemu_system_reset(bool report)
 
     mc = current_machine ? MACHINE_GET_CLASS(current_machine) : NULL;
 
-    if (mc && mc->qemu_machine->reset) {
-        mc->qemu_machine->reset();
+    if (mc && mc->reset) {
+        mc->reset();
     } else {
         qemu_devices_reset();
     }
@@ -2707,12 +2703,11 @@ static MachineClass *machine_parse(const char *name)
         printf("Supported machines are:\n");
         for (el = machines; el; el = el->next) {
             MachineClass *mc = el->data;
-            QEMUMachine *m = mc->qemu_machine;
-            if (m->alias) {
-                printf("%-20s %s (alias of %s)\n", m->alias, m->desc, m->name);
+            if (mc->alias) {
+                printf("%-20s %s (alias of %s)\n", mc->alias, mc->desc, 
mc->name);
             }
-            printf("%-20s %s%s\n", m->name, m->desc,
-                   m->is_default ? " (default)" : "");
+            printf("%-20s %s%s\n", mc->name, mc->desc,
+                   mc->is_default ? " (default)" : "");
         }
     }
 
@@ -2966,7 +2961,6 @@ int main(int argc, char **argv, char **envp)
     const char *optarg;
     const char *loadvm = NULL;
     MachineClass *machine_class;
-    QEMUMachine *machine;
     const char *cpu_model;
     const char *vga_model = NULL;
     const char *qtest_chrdev = NULL;
@@ -3962,9 +3956,8 @@ int main(int argc, char **argv, char **envp)
     object_property_add_child(object_get_root(), "machine",
                               OBJECT(current_machine), &error_abort);
 
-    machine = machine_class->qemu_machine;
-    if (machine->hw_version) {
-        qemu_set_version(machine->hw_version);
+    if (machine_class->hw_version) {
+        qemu_set_version(machine_class->hw_version);
     }
 
     if (qemu_opts_foreach(qemu_find_opts("object"),
@@ -4024,11 +4017,11 @@ int main(int argc, char **argv, char **envp)
 
     smp_parse(qemu_opts_find(qemu_find_opts("smp-opts"), NULL));
 
-    machine->max_cpus = machine->max_cpus ?: 1; /* Default to UP */
-    if (smp_cpus > machine->max_cpus) {
+    machine_class->max_cpus = machine_class->max_cpus ?: 1; /* Default to UP */
+    if (smp_cpus > machine_class->max_cpus) {
         fprintf(stderr, "Number of SMP cpus requested (%d), exceeds max cpus "
-                "supported by machine `%s' (%d)\n", smp_cpus,  machine->name,
-                machine->max_cpus);
+                "supported by machine `%s' (%d)\n", smp_cpus,
+                machine_class->name, machine_class->max_cpus);
         exit(1);
     }
 
@@ -4036,9 +4029,9 @@ int main(int argc, char **argv, char **envp)
      * Get the default machine options from the machine if it is not already
      * specified either by the configuration file or by the command line.
      */
-    if (machine->default_machine_opts) {
+    if (machine_class->default_machine_opts) {
         qemu_opts_set_defaults(qemu_find_opts("machine"),
-                               machine->default_machine_opts, 0);
+                               machine_class->default_machine_opts, 0);
     }
 
     qemu_opts_foreach(qemu_find_opts("device"), default_driver_check, NULL, 0);
@@ -4047,25 +4040,25 @@ int main(int argc, char **argv, char **envp)
     if (!vga_model && !default_vga) {
         vga_interface_type = VGA_DEVICE;
     }
-    if (!has_defaults || machine->no_serial) {
+    if (!has_defaults || machine_class->no_serial) {
         default_serial = 0;
     }
-    if (!has_defaults || machine->no_parallel) {
+    if (!has_defaults || machine_class->no_parallel) {
         default_parallel = 0;
     }
-    if (!has_defaults || !machine->use_virtcon) {
+    if (!has_defaults || !machine_class->use_virtcon) {
         default_virtcon = 0;
     }
-    if (!has_defaults || !machine->use_sclp) {
+    if (!has_defaults || !machine_class->use_sclp) {
         default_sclp = 0;
     }
-    if (!has_defaults || machine->no_floppy) {
+    if (!has_defaults || machine_class->no_floppy) {
         default_floppy = 0;
     }
-    if (!has_defaults || machine->no_cdrom) {
+    if (!has_defaults || machine_class->no_cdrom) {
         default_cdrom = 0;
     }
-    if (!has_defaults || machine->no_sdcard) {
+    if (!has_defaults || machine_class->no_sdcard) {
         default_sdcard = 0;
     }
     if (!has_defaults) {
@@ -4205,7 +4198,7 @@ int main(int argc, char **argv, char **envp)
     kernel_cmdline = qemu_opt_get(machine_opts, "append");
     bios_name = qemu_opt_get(machine_opts, "firmware");
 
-    boot_order = machine->default_boot_order;
+    boot_order = machine_class->default_boot_order;
     opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
     if (opts) {
         char *normal_boot_order;
@@ -4299,11 +4292,11 @@ int main(int argc, char **argv, char **envp)
     if (snapshot)
         qemu_opts_foreach(qemu_find_opts("drive"), drive_enable_snapshot, 
NULL, 0);
     if (qemu_opts_foreach(qemu_find_opts("drive"), drive_init_func,
-                          &machine->block_default_type, 1) != 0) {
+                          &machine_class->block_default_type, 1) != 0) {
         exit(1);
     }
 
-    default_drive(default_cdrom, snapshot, machine->block_default_type, 2,
+    default_drive(default_cdrom, snapshot, machine_class->block_default_type, 
2,
                   CDROM_OPTS);
     default_drive(default_floppy, snapshot, IF_FLOPPY, 0, FD_OPTS);
     default_drive(default_sdcard, snapshot, IF_SD, 0, SD_OPTS);
@@ -4387,8 +4380,8 @@ int main(int argc, char **argv, char **envp)
             exit (i == 1 ? 1 : 0);
     }
 
-    if (machine->compat_props) {
-        qdev_prop_register_global_list(machine->compat_props);
+    if (machine_class->compat_props) {
+        qdev_prop_register_global_list(machine_class->compat_props);
     }
     qemu_add_globals();
 
@@ -4403,7 +4396,7 @@ int main(int argc, char **argv, char **envp)
                                  .cpu_model = cpu_model };
 
     current_machine->init_args = args;
-    machine->init(&current_machine->init_args);
+    machine_class->init(&current_machine->init_args);
 
     audio_init();
 
-- 
1.8.3.1