Merge remote-tracking branch 'remotes/berrange/tags/block-odirect-pull-request' into...

[qemu.git] / accel / accel.c

diff --git a/accel/accel.c b/accel/accel.c
index 8ae40e1e1319a6cf743140997ce88132553eaa90..cb555e3b06c6189d8b330dd1b4ecf93d1ed2ce13 100644 (file)
--- a/accel/accel.c
+++ b/accel/accel.c
@@ -26,14 +26,9 @@
 #include "qemu/osdep.h"
 #include "sysemu/accel.h"
 #include "hw/boards.h"
-#include "qemu-common.h"
 #include "sysemu/arch_init.h"
 #include "sysemu/sysemu.h"
-#include "sysemu/kvm.h"
-#include "sysemu/qtest.h"
-#include "hw/xen/xen.h"
 #include "qom/object.h"
-#include "qemu/error-report.h"
 
 static const TypeInfo accel_type = {
     .name = TYPE_ACCEL,
@@ -43,7 +38,7 @@ static const TypeInfo accel_type = {
 };
 
 /* Lookup AccelClass from opt_name. Returns NULL if not found */
-static AccelClass *accel_find(const char *opt_name)
+AccelClass *accel_find(const char *opt_name)
 {
     char *class_name = g_strdup_printf(ACCEL_CLASS_NAME("%s"), opt_name);
     AccelClass *ac = ACCEL_CLASS(object_class_by_name(class_name));
@@ -51,11 +46,9 @@ static AccelClass *accel_find(const char *opt_name)
     return ac;
 }
 
-static int accel_init_machine(AccelClass *acc, MachineState *ms)
+int accel_init_machine(AccelState *accel, MachineState *ms)
 {
-    ObjectClass *oc = OBJECT_CLASS(acc);
-    const char *cname = object_class_get_name(oc);
-    AccelState *accel = ACCEL(object_new(cname));
+    AccelClass *acc = ACCEL_GET_CLASS(accel);
     int ret;
     ms->accelerator = accel;
     *(acc->allowed) = true;
@@ -64,66 +57,24 @@ static int accel_init_machine(AccelClass *acc, MachineState *ms)
         ms->accelerator = NULL;
         *(acc->allowed) = false;
         object_unref(OBJECT(accel));
+    } else {
+        object_set_accelerator_compat_props(acc->compat_props);
     }
     return ret;
 }
 
-void configure_accelerator(MachineState *ms)
+AccelState *current_accel(void)
 {
-    const char *accel, *p;
-    char buf[10];
-    int ret;
-    bool accel_initialised = false;
-    bool init_failed = false;
-    AccelClass *acc = NULL;
-
-    accel = qemu_opt_get(qemu_get_machine_opts(), "accel");
-    if (accel == NULL) {
-        /* Use the default "accelerator", tcg */
-        accel = "tcg";
-    }
-
-    p = accel;
-    while (!accel_initialised && *p != '\0') {
-        if (*p == ':') {
-            p++;
-        }
-        p = get_opt_name(buf, sizeof(buf), p, ':');
-        acc = accel_find(buf);
-        if (!acc) {
-            continue;
-        }
-        if (acc->available && !acc->available()) {
-            printf("%s not supported for this target\n",
-                   acc->name);
-            continue;
-        }
-        ret = accel_init_machine(acc, ms);
-        if (ret < 0) {
-            init_failed = true;
-            error_report("failed to initialize %s: %s",
-                         acc->name, strerror(-ret));
-        } else {
-            accel_initialised = true;
-        }
-    }
-
-    if (!accel_initialised) {
-        if (!init_failed) {
-            error_report("-machine accel=%s: No accelerator found", accel);
-        }
-        exit(1);
-    }
-
-    if (init_failed) {
-        error_report("Back to %s accelerator", acc->name);
-    }
+    return current_machine->accelerator;
 }
 
-void accel_register_compat_props(AccelState *accel)
+void accel_setup_post(MachineState *ms)
 {
-    AccelClass *class = ACCEL_GET_CLASS(accel);
-    register_compat_props_array(class->global_props);
+    AccelState *accel = ms->accelerator;
+    AccelClass *acc = ACCEL_GET_CLASS(accel);
+    if (acc->setup_post) {
+        acc->setup_post(ms, accel);
+    }
 }
 
 static void register_accel_types(void)