hw/ide: Convert DeviceClass init to realize
Replace init with realize in IDEDeviceClass, which has errp
as a parameter. So all the implementations now use error_setg
instead of error_report for reporting error.
Cc: John Snow <jsnow@redhat.com>
Cc: Markus Armbruster <armbru@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>
Cc: Max Reitz <mreitz@redhat.com>
Signed-off-by: Mao Zhongyi <maozy.fnst@cn.fujitsu.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Message-id: c4d27b4b5d9e37468e63e35214ce4833ca271542.1505737465.git.maozy.fnst@cn.fujitsu.com
Signed-off-by: John Snow <jsnow@redhat.com>
diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c
index cc2f5bd..d60ac25 100644
--- a/hw/ide/qdev.c
+++ b/hw/ide/qdev.c
@@ -80,7 +80,7 @@
return g_strdup(path);
}
-static int ide_qdev_init(DeviceState *qdev)
+static void ide_qdev_realize(DeviceState *qdev, Error **errp)
{
IDEDevice *dev = IDE_DEVICE(qdev);
IDEDeviceClass *dc = IDE_DEVICE_GET_CLASS(dev);
@@ -91,34 +91,31 @@
}
if (dev->unit >= bus->max_units) {
- error_report("Can't create IDE unit %d, bus supports only %d units",
+ error_setg(errp, "Can't create IDE unit %d, bus supports only %d units",
dev->unit, bus->max_units);
- goto err;
+ return;
}
switch (dev->unit) {
case 0:
if (bus->master) {
- error_report("IDE unit %d is in use", dev->unit);
- goto err;
+ error_setg(errp, "IDE unit %d is in use", dev->unit);
+ return;
}
bus->master = dev;
break;
case 1:
if (bus->slave) {
- error_report("IDE unit %d is in use", dev->unit);
- goto err;
+ error_setg(errp, "IDE unit %d is in use", dev->unit);
+ return;
}
bus->slave = dev;
break;
default:
- error_report("Invalid IDE unit %d", dev->unit);
- goto err;
+ error_setg(errp, "Invalid IDE unit %d", dev->unit);
+ return;
}
- return dc->init(dev);
-
-err:
- return -1;
+ dc->realize(dev, errp);
}
IDEDevice *ide_create_drive(IDEBus *bus, int unit, DriveInfo *drive)
@@ -159,7 +156,7 @@
IDEDevice dev;
} IDEDrive;
-static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind)
+static void ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind, Error **errp)
{
IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus);
IDEState *s = bus->ifs + dev->unit;
@@ -168,8 +165,8 @@
if (!dev->conf.blk) {
if (kind != IDE_CD) {
- error_report("No drive specified");
- return -1;
+ error_setg(errp, "No drive specified");
+ return;
} else {
/* Anonymous BlockBackend for an empty drive */
dev->conf.blk = blk_new(0, BLK_PERM_ALL);
@@ -182,36 +179,36 @@
dev->conf.discard_granularity = 512;
} else if (dev->conf.discard_granularity &&
dev->conf.discard_granularity != 512) {
- error_report("discard_granularity must be 512 for ide");
- return -1;
+ error_setg(errp, "discard_granularity must be 512 for ide");
+ return;
}
blkconf_blocksizes(&dev->conf);
if (dev->conf.logical_block_size != 512) {
- error_report("logical_block_size must be 512 for IDE");
- return -1;
+ error_setg(errp, "logical_block_size must be 512 for IDE");
+ return;
}
blkconf_serial(&dev->conf, &dev->serial);
if (kind != IDE_CD) {
blkconf_geometry(&dev->conf, &dev->chs_trans, 65535, 16, 255, &err);
if (err) {
- error_report_err(err);
- return -1;
+ error_propagate(errp, err);
+ return;
}
}
blkconf_apply_backend_options(&dev->conf, kind == IDE_CD, kind != IDE_CD,
&err);
if (err) {
- error_report_err(err);
- return -1;
+ error_propagate(errp, err);
+ return;
}
if (ide_init_drive(s, dev->conf.blk, kind,
dev->version, dev->serial, dev->model, dev->wwn,
dev->conf.cyls, dev->conf.heads, dev->conf.secs,
- dev->chs_trans) < 0) {
- return -1;
+ dev->chs_trans, errp) < 0) {
+ return;
}
if (!dev->version) {
@@ -223,8 +220,6 @@
add_boot_device_path(dev->conf.bootindex, &dev->qdev,
dev->unit ? "/disk@1" : "/disk@0");
-
- return 0;
}
static void ide_dev_get_bootindex(Object *obj, Visitor *v, const char *name,
@@ -270,17 +265,17 @@
object_property_set_int(obj, -1, "bootindex", NULL);
}
-static int ide_hd_initfn(IDEDevice *dev)
+static void ide_hd_realize(IDEDevice *dev, Error **errp)
{
- return ide_dev_initfn(dev, IDE_HD);
+ ide_dev_initfn(dev, IDE_HD, errp);
}
-static int ide_cd_initfn(IDEDevice *dev)
+static void ide_cd_realize(IDEDevice *dev, Error **errp)
{
- return ide_dev_initfn(dev, IDE_CD);
+ ide_dev_initfn(dev, IDE_CD, errp);
}
-static int ide_drive_initfn(IDEDevice *dev)
+static void ide_drive_realize(IDEDevice *dev, Error **errp)
{
DriveInfo *dinfo = NULL;
@@ -288,7 +283,7 @@
dinfo = blk_legacy_dinfo(dev->conf.blk);
}
- return ide_dev_initfn(dev, dinfo && dinfo->media_cd ? IDE_CD : IDE_HD);
+ ide_dev_initfn(dev, dinfo && dinfo->media_cd ? IDE_CD : IDE_HD, errp);
}
#define DEFINE_IDE_DEV_PROPERTIES() \
@@ -311,10 +306,11 @@
{
DeviceClass *dc = DEVICE_CLASS(klass);
IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
- k->init = ide_hd_initfn;
+
+ k->realize = ide_hd_realize;
dc->fw_name = "drive";
- dc->desc = "virtual IDE disk";
- dc->props = ide_hd_properties;
+ dc->desc = "virtual IDE disk";
+ dc->props = ide_hd_properties;
}
static const TypeInfo ide_hd_info = {
@@ -333,10 +329,11 @@
{
DeviceClass *dc = DEVICE_CLASS(klass);
IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
- k->init = ide_cd_initfn;
+
+ k->realize = ide_cd_realize;
dc->fw_name = "drive";
- dc->desc = "virtual IDE CD-ROM";
- dc->props = ide_cd_properties;
+ dc->desc = "virtual IDE CD-ROM";
+ dc->props = ide_cd_properties;
}
static const TypeInfo ide_cd_info = {
@@ -355,10 +352,11 @@
{
DeviceClass *dc = DEVICE_CLASS(klass);
IDEDeviceClass *k = IDE_DEVICE_CLASS(klass);
- k->init = ide_drive_initfn;
+
+ k->realize = ide_drive_realize;
dc->fw_name = "drive";
- dc->desc = "virtual IDE disk or CD-ROM (legacy)";
- dc->props = ide_drive_properties;
+ dc->desc = "virtual IDE disk or CD-ROM (legacy)";
+ dc->props = ide_drive_properties;
}
static const TypeInfo ide_drive_info = {
@@ -371,7 +369,7 @@
static void ide_device_class_init(ObjectClass *klass, void *data)
{
DeviceClass *k = DEVICE_CLASS(klass);
- k->init = ide_qdev_init;
+ k->realize = ide_qdev_realize;
set_bit(DEVICE_CATEGORY_STORAGE, k->categories);
k->bus_type = TYPE_IDE_BUS;
k->props = ide_props;
