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[PATCH 3/4] usb/storage move usb-storage device to separate source file
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From: |
Gerd Hoffmann |
|
Subject: |
[PATCH 3/4] usb/storage move usb-storage device to separate source file |
|
Date: |
Fri, 12 Mar 2021 10:04:24 +0100 |
Pure code motion, no functional change.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
hw/usb/dev-storage-classic.c | 156 +++++++++++++++++++++++++++++++++++
hw/usb/dev-storage.c | 135 ------------------------------
hw/usb/meson.build | 1 +
3 files changed, 157 insertions(+), 135 deletions(-)
create mode 100644 hw/usb/dev-storage-classic.c
diff --git a/hw/usb/dev-storage-classic.c b/hw/usb/dev-storage-classic.c
new file mode 100644
index 000000000000..00cb34b22f02
--- /dev/null
+++ b/hw/usb/dev-storage-classic.c
@@ -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)
diff --git a/hw/usb/dev-storage.c b/hw/usb/dev-storage.c
index 3e613ecc886b..7b587ad051ff 100644
--- a/hw/usb/dev-storage.c
+++ b/hw/usb/dev-storage.c
@@ -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)
diff --git a/hw/usb/meson.build b/hw/usb/meson.build
index f7fa16a864af..7291021bf3b6 100644
--- a/hw/usb/meson.build
+++ b/hw/usb/meson.build
@@ -41,6 +41,7 @@ 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'))
--
2.29.2