usb/storage move usb-storage device to separate source file

Pure code motion, no functional change.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Message-Id: <20210312090425.772900-4-kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2021-03-12 10:04:24 +01:00
parent 31b7bed8b6
commit 65561351e3
3 changed files with 157 additions and 135 deletions

View File

@ -0,0 +1,156 @@
/*
* USB Mass Storage Device emulation
*
* Copyright (c) 2006 CodeSourcery.
* Written by Paul Brook
*
* This code is licensed under the LGPL.
*/
#include "qemu/osdep.h"
#include "qemu/typedefs.h"
#include "qapi/error.h"
#include "qapi/visitor.h"
#include "hw/usb.h"
#include "hw/usb/desc.h"
#include "hw/usb/msd.h"
#include "sysemu/sysemu.h"
#include "sysemu/block-backend.h"
static const struct SCSIBusInfo usb_msd_scsi_info_storage = {
.tcq = false,
.max_target = 0,
.max_lun = 0,
.transfer_data = usb_msd_transfer_data,
.complete = usb_msd_command_complete,
.cancel = usb_msd_request_cancelled,
.load_request = usb_msd_load_request,
};
static void usb_msd_storage_realize(USBDevice *dev, Error **errp)
{
MSDState *s = USB_STORAGE_DEV(dev);
BlockBackend *blk = s->conf.blk;
SCSIDevice *scsi_dev;
if (!blk) {
error_setg(errp, "drive property not set");
return;
}
if (!blkconf_blocksizes(&s->conf, errp)) {
return;
}
if (!blkconf_apply_backend_options(&s->conf, !blk_supports_write_perm(blk),
true, errp)) {
return;
}
/*
* 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
* creates automatically. But first it needs to detach from its
* blockdev, or else scsi_bus_legacy_add_drive() dies when it
* attaches again. We also need to take another reference so that
* blk_detach_dev() doesn't free blk while we still need it.
*
* The hack is probably a bad idea.
*/
blk_ref(blk);
blk_detach_dev(blk, DEVICE(s));
s->conf.blk = NULL;
usb_desc_create_serial(dev);
usb_desc_init(dev);
scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
&usb_msd_scsi_info_storage, NULL);
scsi_dev = scsi_bus_legacy_add_drive(&s->bus, blk, 0, !!s->removable,
s->conf.bootindex, s->conf.share_rw,
s->conf.rerror, s->conf.werror,
dev->serial,
errp);
blk_unref(blk);
if (!scsi_dev) {
return;
}
usb_msd_handle_reset(dev);
s->scsi_dev = scsi_dev;
}
static Property msd_properties[] = {
DEFINE_BLOCK_PROPERTIES(MSDState, conf),
DEFINE_BLOCK_ERROR_PROPERTIES(MSDState, conf),
DEFINE_PROP_BOOL("removable", MSDState, removable, false),
DEFINE_PROP_BOOL("commandlog", MSDState, commandlog, false),
DEFINE_PROP_END_OF_LIST(),
};
static void usb_msd_class_storage_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
uc->realize = usb_msd_storage_realize;
device_class_set_props(dc, msd_properties);
}
static void usb_msd_get_bootindex(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
USBDevice *dev = USB_DEVICE(obj);
MSDState *s = USB_STORAGE_DEV(dev);
visit_type_int32(v, name, &s->conf.bootindex, errp);
}
static void usb_msd_set_bootindex(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
USBDevice *dev = USB_DEVICE(obj);
MSDState *s = USB_STORAGE_DEV(dev);
int32_t boot_index;
Error *local_err = NULL;
if (!visit_type_int32(v, name, &boot_index, errp)) {
return;
}
/* check whether bootindex is present in fw_boot_order list */
check_boot_index(boot_index, &local_err);
if (local_err) {
goto out;
}
/* change bootindex to a new one */
s->conf.bootindex = boot_index;
if (s->scsi_dev) {
object_property_set_int(OBJECT(s->scsi_dev), "bootindex", boot_index,
&error_abort);
}
out:
error_propagate(errp, local_err);
}
static void usb_msd_instance_init(Object *obj)
{
object_property_add(obj, "bootindex", "int32",
usb_msd_get_bootindex,
usb_msd_set_bootindex, NULL, NULL);
object_property_set_int(obj, "bootindex", -1, NULL);
}
static const TypeInfo msd_info = {
.name = "usb-storage",
.parent = TYPE_USB_STORAGE,
.class_init = usb_msd_class_storage_initfn,
.instance_init = usb_msd_instance_init,
};
static void register_types(void)
{
type_register_static(&msd_info);
}
type_init(register_types)

View File

@ -19,9 +19,6 @@
#include "hw/qdev-properties.h"
#include "hw/scsi/scsi.h"
#include "migration/vmstate.h"
#include "sysemu/sysemu.h"
#include "sysemu/block-backend.h"
#include "qapi/visitor.h"
#include "qemu/cutils.h"
#include "qom/object.h"
#include "trace.h"
@ -540,68 +537,6 @@ void *usb_msd_load_request(QEMUFile *f, SCSIRequest *req)
return NULL;
}
static const struct SCSIBusInfo usb_msd_scsi_info_storage = {
.tcq = false,
.max_target = 0,
.max_lun = 0,
.transfer_data = usb_msd_transfer_data,
.complete = usb_msd_command_complete,
.cancel = usb_msd_request_cancelled,
.load_request = usb_msd_load_request,
};
static void usb_msd_storage_realize(USBDevice *dev, Error **errp)
{
MSDState *s = USB_STORAGE_DEV(dev);
BlockBackend *blk = s->conf.blk;
SCSIDevice *scsi_dev;
if (!blk) {
error_setg(errp, "drive property not set");
return;
}
if (!blkconf_blocksizes(&s->conf, errp)) {
return;
}
if (!blkconf_apply_backend_options(&s->conf, !blk_supports_write_perm(blk),
true, errp)) {
return;
}
/*
* 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
* creates automatically. But first it needs to detach from its
* blockdev, or else scsi_bus_legacy_add_drive() dies when it
* attaches again. We also need to take another reference so that
* blk_detach_dev() doesn't free blk while we still need it.
*
* The hack is probably a bad idea.
*/
blk_ref(blk);
blk_detach_dev(blk, DEVICE(s));
s->conf.blk = NULL;
usb_desc_create_serial(dev);
usb_desc_init(dev);
scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
&usb_msd_scsi_info_storage, NULL);
scsi_dev = scsi_bus_legacy_add_drive(&s->bus, blk, 0, !!s->removable,
s->conf.bootindex, s->conf.share_rw,
s->conf.rerror, s->conf.werror,
dev->serial,
errp);
blk_unref(blk);
if (!scsi_dev) {
return;
}
usb_msd_handle_reset(dev);
s->scsi_dev = scsi_dev;
}
static const VMStateDescription vmstate_usb_msd = {
.name = "usb-storage",
.version_id = 1,
@ -620,14 +555,6 @@ static const VMStateDescription vmstate_usb_msd = {
}
};
static Property msd_properties[] = {
DEFINE_BLOCK_PROPERTIES(MSDState, conf),
DEFINE_BLOCK_ERROR_PROPERTIES(MSDState, conf),
DEFINE_PROP_BOOL("removable", MSDState, removable, false),
DEFINE_PROP_BOOL("commandlog", MSDState, commandlog, false),
DEFINE_PROP_END_OF_LIST(),
};
static void usb_msd_class_initfn_common(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
@ -645,52 +572,6 @@ static void usb_msd_class_initfn_common(ObjectClass *klass, void *data)
dc->vmsd = &vmstate_usb_msd;
}
static void usb_msd_class_storage_initfn(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
uc->realize = usb_msd_storage_realize;
device_class_set_props(dc, msd_properties);
}
static void usb_msd_get_bootindex(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
USBDevice *dev = USB_DEVICE(obj);
MSDState *s = USB_STORAGE_DEV(dev);
visit_type_int32(v, name, &s->conf.bootindex, errp);
}
static void usb_msd_set_bootindex(Object *obj, Visitor *v, const char *name,
void *opaque, Error **errp)
{
USBDevice *dev = USB_DEVICE(obj);
MSDState *s = USB_STORAGE_DEV(dev);
int32_t boot_index;
Error *local_err = NULL;
if (!visit_type_int32(v, name, &boot_index, errp)) {
return;
}
/* check whether bootindex is present in fw_boot_order list */
check_boot_index(boot_index, &local_err);
if (local_err) {
goto out;
}
/* change bootindex to a new one */
s->conf.bootindex = boot_index;
if (s->scsi_dev) {
object_property_set_int(OBJECT(s->scsi_dev), "bootindex", boot_index,
&error_abort);
}
out:
error_propagate(errp, local_err);
}
static const TypeInfo usb_storage_dev_type_info = {
.name = TYPE_USB_STORAGE,
.parent = TYPE_USB_DEVICE,
@ -699,25 +580,9 @@ static const TypeInfo usb_storage_dev_type_info = {
.class_init = usb_msd_class_initfn_common,
};
static void usb_msd_instance_init(Object *obj)
{
object_property_add(obj, "bootindex", "int32",
usb_msd_get_bootindex,
usb_msd_set_bootindex, NULL, NULL);
object_property_set_int(obj, "bootindex", -1, NULL);
}
static const TypeInfo msd_info = {
.name = "usb-storage",
.parent = TYPE_USB_STORAGE,
.class_init = usb_msd_class_storage_initfn,
.instance_init = usb_msd_instance_init,
};
static void usb_msd_register_types(void)
{
type_register_static(&usb_storage_dev_type_info);
type_register_static(&msd_info);
}
type_init(usb_msd_register_types)

View File

@ -42,6 +42,7 @@ softmmu_ss.add(when: 'CONFIG_USB', if_true: files('dev-hid.c'))
softmmu_ss.add(when: 'CONFIG_USB_TABLET_WACOM', if_true: files('dev-wacom.c'))
softmmu_ss.add(when: 'CONFIG_USB_STORAGE_BOT', if_true: files('dev-storage.c'))
softmmu_ss.add(when: 'CONFIG_USB_STORAGE_BOT', if_true: files('dev-storage-bot.c'))
softmmu_ss.add(when: 'CONFIG_USB_STORAGE_BOT', if_true: files('dev-storage-classic.c'))
softmmu_ss.add(when: 'CONFIG_USB_STORAGE_UAS', if_true: files('dev-uas.c'))
softmmu_ss.add(when: 'CONFIG_USB_AUDIO', if_true: files('dev-audio.c'))
softmmu_ss.add(when: 'CONFIG_USB_SERIAL', if_true: files('dev-serial.c'))