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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>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -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) |
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