From 911525dba9ecc21f97b05c0f09bf9319a9de3a7d Mon Sep 17 00:00:00 2001 From: Markus Armbruster Date: Wed, 11 Jul 2012 15:08:37 +0200 Subject: [PATCH] hw/block-common: Factor out fall back to legacy -drive serial=... Signed-off-by: Markus Armbruster Signed-off-by: Kevin Wolf --- hw/Makefile.objs | 2 +- hw/block-common.c | 24 ++++++++++++++++++++++++ hw/block-common.h | 3 +++ hw/ide/qdev.c | 12 ++---------- hw/scsi-disk.c | 8 +------- hw/usb/dev-storage.c | 10 ++-------- hw/virtio-blk.c | 8 +------- 7 files changed, 34 insertions(+), 33 deletions(-) create mode 100644 hw/block-common.c diff --git a/hw/Makefile.objs b/hw/Makefile.objs index c3bdedc..8327e55 100644 --- a/hw/Makefile.objs +++ b/hw/Makefile.objs @@ -138,7 +138,7 @@ common-obj-$(CONFIG_MAX111X) += max111x.o common-obj-$(CONFIG_DS1338) += ds1338.o common-obj-y += i2c.o smbus.o smbus_eeprom.o common-obj-y += eeprom93xx.o -common-obj-y += scsi-disk.o cdrom.o hd-geometry.o +common-obj-y += scsi-disk.o cdrom.o hd-geometry.o block-common.o common-obj-y += scsi-generic.o scsi-bus.o common-obj-y += hid.o common-obj-$(CONFIG_SSI) += ssi.o diff --git a/hw/block-common.c b/hw/block-common.c new file mode 100644 index 0000000..036334b --- /dev/null +++ b/hw/block-common.c @@ -0,0 +1,24 @@ +/* + * Common code for block device models + * + * Copyright (C) 2012 Red Hat, Inc. + * + * This work is licensed under the terms of the GNU GPL, version 2 or + * later. See the COPYING file in the top-level directory. + */ + +#include "blockdev.h" +#include "hw/block-common.h" + +void blkconf_serial(BlockConf *conf, char **serial) +{ + DriveInfo *dinfo; + + if (!*serial) { + /* try to fall back to value set with legacy -drive serial=... */ + dinfo = drive_get_by_blockdev(conf->bs); + if (*dinfo->serial) { + *serial = g_strdup(dinfo->serial); + } + } +} diff --git a/hw/block-common.h b/hw/block-common.h index f0d509b..52bddda 100644 --- a/hw/block-common.h +++ b/hw/block-common.h @@ -57,6 +57,9 @@ static inline unsigned int get_physical_block_exp(BlockConf *conf) DEFINE_PROP_UINT32("heads", _state, _conf.heads, 0), \ DEFINE_PROP_UINT32("secs", _state, _conf.secs, 0) +/* Configuration helpers */ + +void blkconf_serial(BlockConf *conf, char **serial); /* Hard disk geometry */ diff --git a/hw/ide/qdev.c b/hw/ide/qdev.c index de9db3b..7fe803c 100644 --- a/hw/ide/qdev.c +++ b/hw/ide/qdev.c @@ -142,7 +142,6 @@ static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind) { IDEBus *bus = DO_UPCAST(IDEBus, qbus, dev->qdev.parent_bus); IDEState *s = bus->ifs + dev->unit; - const char *serial; DriveInfo *dinfo; if (dev->conf.discard_granularity && dev->conf.discard_granularity != 512) { @@ -150,14 +149,7 @@ static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind) return -1; } - serial = dev->serial; - if (!serial) { - /* try to fall back to value set with legacy -drive serial=... */ - dinfo = drive_get_by_blockdev(dev->conf.bs); - if (*dinfo->serial) { - serial = dinfo->serial; - } - } + blkconf_serial(&dev->conf, &dev->serial); if (!dev->conf.cyls && !dev->conf.heads && !dev->conf.secs) { /* try to fall back to value set with legacy -drive cyls=... */ @@ -177,7 +169,7 @@ static int ide_dev_initfn(IDEDevice *dev, IDEDriveKind kind) } if (ide_init_drive(s, dev->conf.bs, kind, - dev->version, serial, dev->model, dev->wwn, + dev->version, dev->serial, dev->model, dev->wwn, dev->conf.cyls, dev->conf.heads, dev->conf.secs, dev->chs_trans) < 0) { return -1; diff --git a/hw/scsi-disk.c b/hw/scsi-disk.c index 0a182f9..39a07d7 100644 --- a/hw/scsi-disk.c +++ b/hw/scsi-disk.c @@ -1777,13 +1777,7 @@ static int scsi_initfn(SCSIDevice *dev) } } - if (!s->serial) { - /* try to fall back to value set with legacy -drive serial=... */ - dinfo = drive_get_by_blockdev(s->qdev.conf.bs); - if (*dinfo->serial) { - s->serial = g_strdup(dinfo->serial); - } - } + blkconf_serial(&s->qdev.conf, &s->serial); if (!s->version) { s->version = g_strdup(qemu_get_version()); diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c index 251e7de..7fa8b83 100644 --- a/hw/usb/dev-storage.c +++ b/hw/usb/dev-storage.c @@ -532,13 +532,14 @@ static int usb_msd_initfn(USBDevice *dev) { MSDState *s = DO_UPCAST(MSDState, dev, dev); BlockDriverState *bs = s->conf.bs; - DriveInfo *dinfo; if (!bs) { error_report("drive property not set"); return -1; } + blkconf_serial(&s->conf, &s->serial); + /* * Hack alert: this pretends to be a block device, but it's really * a SCSI bus that can serve only a single device, which it @@ -551,13 +552,6 @@ static int usb_msd_initfn(USBDevice *dev) bdrv_detach_dev(bs, &s->dev.qdev); s->conf.bs = NULL; - if (!s->serial) { - /* try to fall back to value set with legacy -drive serial=... */ - dinfo = drive_get_by_blockdev(bs); - if (*dinfo->serial) { - s->serial = strdup(dinfo->serial); - } - } if (s->serial) { usb_desc_set_string(dev, STR_SERIALNUMBER, s->serial); } else { diff --git a/hw/virtio-blk.c b/hw/virtio-blk.c index 3885904..ba087bc 100644 --- a/hw/virtio-blk.c +++ b/hw/virtio-blk.c @@ -600,13 +600,7 @@ VirtIODevice *virtio_blk_init(DeviceState *dev, VirtIOBlkConf *blk) return NULL; } - if (!blk->serial) { - /* try to fall back to value set with legacy -drive serial=... */ - dinfo = drive_get_by_blockdev(blk->conf.bs); - if (*dinfo->serial) { - blk->serial = strdup(dinfo->serial); - } - } + blkconf_serial(&blk->conf, &blk->serial); s = (VirtIOBlock *)virtio_common_init("virtio-blk", VIRTIO_ID_BLOCK, sizeof(struct virtio_blk_config), -- 2.7.4