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authorRajithaY <rajithax.yerrumsetty@intel.com>2017-04-25 03:31:15 -0700
committerRajitha Yerrumchetty <rajithax.yerrumsetty@intel.com>2017-05-22 06:48:08 +0000
commitbb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch)
treeca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/usb/dev-storage.c
parenta14b48d18a9ed03ec191cf16b162206998a895ce (diff)
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to kvmfornfv repo and make use of the updated latest qemu for the execution of all testcase Change-Id: I1280af507a857675c7f81d30c95255635667bdd7 Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/usb/dev-storage.c')
-rw-r--r--qemu/hw/usb/dev-storage.c872
1 files changed, 0 insertions, 872 deletions
diff --git a/qemu/hw/usb/dev-storage.c b/qemu/hw/usb/dev-storage.c
deleted file mode 100644
index 248a58045..000000000
--- a/qemu/hw/usb/dev-storage.c
+++ /dev/null
@@ -1,872 +0,0 @@
-/*
- * 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 "qapi/error.h"
-#include "qemu-common.h"
-#include "qemu/error-report.h"
-#include "qemu/option.h"
-#include "qemu/config-file.h"
-#include "hw/usb.h"
-#include "hw/usb/desc.h"
-#include "hw/scsi/scsi.h"
-#include "ui/console.h"
-#include "monitor/monitor.h"
-#include "sysemu/sysemu.h"
-#include "sysemu/block-backend.h"
-#include "sysemu/blockdev.h"
-#include "qapi/visitor.h"
-#include "qemu/cutils.h"
-
-//#define DEBUG_MSD
-
-#ifdef DEBUG_MSD
-#define DPRINTF(fmt, ...) \
-do { printf("usb-msd: " fmt , ## __VA_ARGS__); } while (0)
-#else
-#define DPRINTF(fmt, ...) do {} while(0)
-#endif
-
-/* USB requests. */
-#define MassStorageReset 0xff
-#define GetMaxLun 0xfe
-
-enum USBMSDMode {
- USB_MSDM_CBW, /* Command Block. */
- USB_MSDM_DATAOUT, /* Transfer data to device. */
- USB_MSDM_DATAIN, /* Transfer data from device. */
- USB_MSDM_CSW /* Command Status. */
-};
-
-struct usb_msd_csw {
- uint32_t sig;
- uint32_t tag;
- uint32_t residue;
- uint8_t status;
-};
-
-typedef struct {
- USBDevice dev;
- enum USBMSDMode mode;
- uint32_t scsi_off;
- uint32_t scsi_len;
- uint32_t data_len;
- struct usb_msd_csw csw;
- SCSIRequest *req;
- SCSIBus bus;
- /* For async completion. */
- USBPacket *packet;
- /* usb-storage only */
- BlockConf conf;
- uint32_t removable;
- SCSIDevice *scsi_dev;
-} MSDState;
-
-#define TYPE_USB_STORAGE "usb-storage-dev"
-#define USB_STORAGE_DEV(obj) OBJECT_CHECK(MSDState, (obj), TYPE_USB_STORAGE)
-
-struct usb_msd_cbw {
- uint32_t sig;
- uint32_t tag;
- uint32_t data_len;
- uint8_t flags;
- uint8_t lun;
- uint8_t cmd_len;
- uint8_t cmd[16];
-};
-
-enum {
- STR_MANUFACTURER = 1,
- STR_PRODUCT,
- STR_SERIALNUMBER,
- STR_CONFIG_FULL,
- STR_CONFIG_HIGH,
- STR_CONFIG_SUPER,
-};
-
-static const USBDescStrings desc_strings = {
- [STR_MANUFACTURER] = "QEMU",
- [STR_PRODUCT] = "QEMU USB HARDDRIVE",
- [STR_SERIALNUMBER] = "1",
- [STR_CONFIG_FULL] = "Full speed config (usb 1.1)",
- [STR_CONFIG_HIGH] = "High speed config (usb 2.0)",
- [STR_CONFIG_SUPER] = "Super speed config (usb 3.0)",
-};
-
-static const USBDescIface desc_iface_full = {
- .bInterfaceNumber = 0,
- .bNumEndpoints = 2,
- .bInterfaceClass = USB_CLASS_MASS_STORAGE,
- .bInterfaceSubClass = 0x06, /* SCSI */
- .bInterfaceProtocol = 0x50, /* Bulk */
- .eps = (USBDescEndpoint[]) {
- {
- .bEndpointAddress = USB_DIR_IN | 0x01,
- .bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize = 64,
- },{
- .bEndpointAddress = USB_DIR_OUT | 0x02,
- .bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize = 64,
- },
- }
-};
-
-static const USBDescDevice desc_device_full = {
- .bcdUSB = 0x0200,
- .bMaxPacketSize0 = 8,
- .bNumConfigurations = 1,
- .confs = (USBDescConfig[]) {
- {
- .bNumInterfaces = 1,
- .bConfigurationValue = 1,
- .iConfiguration = STR_CONFIG_FULL,
- .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER,
- .nif = 1,
- .ifs = &desc_iface_full,
- },
- },
-};
-
-static const USBDescIface desc_iface_high = {
- .bInterfaceNumber = 0,
- .bNumEndpoints = 2,
- .bInterfaceClass = USB_CLASS_MASS_STORAGE,
- .bInterfaceSubClass = 0x06, /* SCSI */
- .bInterfaceProtocol = 0x50, /* Bulk */
- .eps = (USBDescEndpoint[]) {
- {
- .bEndpointAddress = USB_DIR_IN | 0x01,
- .bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize = 512,
- },{
- .bEndpointAddress = USB_DIR_OUT | 0x02,
- .bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize = 512,
- },
- }
-};
-
-static const USBDescDevice desc_device_high = {
- .bcdUSB = 0x0200,
- .bMaxPacketSize0 = 64,
- .bNumConfigurations = 1,
- .confs = (USBDescConfig[]) {
- {
- .bNumInterfaces = 1,
- .bConfigurationValue = 1,
- .iConfiguration = STR_CONFIG_HIGH,
- .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER,
- .nif = 1,
- .ifs = &desc_iface_high,
- },
- },
-};
-
-static const USBDescIface desc_iface_super = {
- .bInterfaceNumber = 0,
- .bNumEndpoints = 2,
- .bInterfaceClass = USB_CLASS_MASS_STORAGE,
- .bInterfaceSubClass = 0x06, /* SCSI */
- .bInterfaceProtocol = 0x50, /* Bulk */
- .eps = (USBDescEndpoint[]) {
- {
- .bEndpointAddress = USB_DIR_IN | 0x01,
- .bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize = 1024,
- .bMaxBurst = 15,
- },{
- .bEndpointAddress = USB_DIR_OUT | 0x02,
- .bmAttributes = USB_ENDPOINT_XFER_BULK,
- .wMaxPacketSize = 1024,
- .bMaxBurst = 15,
- },
- }
-};
-
-static const USBDescDevice desc_device_super = {
- .bcdUSB = 0x0300,
- .bMaxPacketSize0 = 9,
- .bNumConfigurations = 1,
- .confs = (USBDescConfig[]) {
- {
- .bNumInterfaces = 1,
- .bConfigurationValue = 1,
- .iConfiguration = STR_CONFIG_SUPER,
- .bmAttributes = USB_CFG_ATT_ONE | USB_CFG_ATT_SELFPOWER,
- .nif = 1,
- .ifs = &desc_iface_super,
- },
- },
-};
-
-static const USBDesc desc = {
- .id = {
- .idVendor = 0x46f4, /* CRC16() of "QEMU" */
- .idProduct = 0x0001,
- .bcdDevice = 0,
- .iManufacturer = STR_MANUFACTURER,
- .iProduct = STR_PRODUCT,
- .iSerialNumber = STR_SERIALNUMBER,
- },
- .full = &desc_device_full,
- .high = &desc_device_high,
- .super = &desc_device_super,
- .str = desc_strings,
-};
-
-static void usb_msd_copy_data(MSDState *s, USBPacket *p)
-{
- uint32_t len;
- len = p->iov.size - p->actual_length;
- if (len > s->scsi_len)
- len = s->scsi_len;
- usb_packet_copy(p, scsi_req_get_buf(s->req) + s->scsi_off, len);
- s->scsi_len -= len;
- s->scsi_off += len;
- s->data_len -= len;
- if (s->scsi_len == 0 || s->data_len == 0) {
- scsi_req_continue(s->req);
- }
-}
-
-static void usb_msd_send_status(MSDState *s, USBPacket *p)
-{
- int len;
-
- DPRINTF("Command status %d tag 0x%x, len %zd\n",
- s->csw.status, le32_to_cpu(s->csw.tag), p->iov.size);
-
- assert(s->csw.sig == cpu_to_le32(0x53425355));
- len = MIN(sizeof(s->csw), p->iov.size);
- usb_packet_copy(p, &s->csw, len);
- memset(&s->csw, 0, sizeof(s->csw));
-}
-
-static void usb_msd_packet_complete(MSDState *s)
-{
- USBPacket *p = s->packet;
-
- /* Set s->packet to NULL before calling usb_packet_complete
- because another request may be issued before
- usb_packet_complete returns. */
- DPRINTF("Packet complete %p\n", p);
- s->packet = NULL;
- usb_packet_complete(&s->dev, p);
-}
-
-static void usb_msd_transfer_data(SCSIRequest *req, uint32_t len)
-{
- MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
- USBPacket *p = s->packet;
-
- assert((s->mode == USB_MSDM_DATAOUT) == (req->cmd.mode == SCSI_XFER_TO_DEV));
- s->scsi_len = len;
- s->scsi_off = 0;
- if (p) {
- usb_msd_copy_data(s, p);
- p = s->packet;
- if (p && p->actual_length == p->iov.size) {
- p->status = USB_RET_SUCCESS; /* Clear previous ASYNC status */
- usb_msd_packet_complete(s);
- }
- }
-}
-
-static void usb_msd_command_complete(SCSIRequest *req, uint32_t status, size_t resid)
-{
- MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
- USBPacket *p = s->packet;
-
- DPRINTF("Command complete %d tag 0x%x\n", status, req->tag);
-
- s->csw.sig = cpu_to_le32(0x53425355);
- s->csw.tag = cpu_to_le32(req->tag);
- s->csw.residue = cpu_to_le32(s->data_len);
- s->csw.status = status != 0;
-
- if (s->packet) {
- if (s->data_len == 0 && s->mode == USB_MSDM_DATAOUT) {
- /* A deferred packet with no write data remaining must be
- the status read packet. */
- usb_msd_send_status(s, p);
- s->mode = USB_MSDM_CBW;
- } else if (s->mode == USB_MSDM_CSW) {
- usb_msd_send_status(s, p);
- s->mode = USB_MSDM_CBW;
- } else {
- if (s->data_len) {
- int len = (p->iov.size - p->actual_length);
- usb_packet_skip(p, len);
- s->data_len -= len;
- }
- if (s->data_len == 0) {
- s->mode = USB_MSDM_CSW;
- }
- }
- p->status = USB_RET_SUCCESS; /* Clear previous ASYNC status */
- usb_msd_packet_complete(s);
- } else if (s->data_len == 0) {
- s->mode = USB_MSDM_CSW;
- }
- scsi_req_unref(req);
- s->req = NULL;
-}
-
-static void usb_msd_request_cancelled(SCSIRequest *req)
-{
- MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
-
- if (req == s->req) {
- scsi_req_unref(s->req);
- s->req = NULL;
- s->scsi_len = 0;
- }
-}
-
-static void usb_msd_handle_reset(USBDevice *dev)
-{
- MSDState *s = (MSDState *)dev;
-
- DPRINTF("Reset\n");
- if (s->req) {
- scsi_req_cancel(s->req);
- }
- assert(s->req == NULL);
-
- if (s->packet) {
- s->packet->status = USB_RET_STALL;
- usb_msd_packet_complete(s);
- }
-
- s->mode = USB_MSDM_CBW;
-}
-
-static void usb_msd_handle_control(USBDevice *dev, USBPacket *p,
- int request, int value, int index, int length, uint8_t *data)
-{
- MSDState *s = (MSDState *)dev;
- SCSIDevice *scsi_dev;
- int ret, maxlun;
-
- ret = usb_desc_handle_control(dev, p, request, value, index, length, data);
- if (ret >= 0) {
- return;
- }
-
- switch (request) {
- case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
- break;
- /* Class specific requests. */
- case ClassInterfaceOutRequest | MassStorageReset:
- /* Reset state ready for the next CBW. */
- s->mode = USB_MSDM_CBW;
- break;
- case ClassInterfaceRequest | GetMaxLun:
- maxlun = 0;
- for (;;) {
- scsi_dev = scsi_device_find(&s->bus, 0, 0, maxlun+1);
- if (scsi_dev == NULL) {
- break;
- }
- if (scsi_dev->lun != maxlun+1) {
- break;
- }
- maxlun++;
- }
- DPRINTF("MaxLun %d\n", maxlun);
- data[0] = maxlun;
- p->actual_length = 1;
- break;
- default:
- p->status = USB_RET_STALL;
- break;
- }
-}
-
-static void usb_msd_cancel_io(USBDevice *dev, USBPacket *p)
-{
- MSDState *s = USB_STORAGE_DEV(dev);
-
- assert(s->packet == p);
- s->packet = NULL;
-
- if (s->req) {
- scsi_req_cancel(s->req);
- }
-}
-
-static void usb_msd_handle_data(USBDevice *dev, USBPacket *p)
-{
- MSDState *s = (MSDState *)dev;
- uint32_t tag;
- struct usb_msd_cbw cbw;
- uint8_t devep = p->ep->nr;
- SCSIDevice *scsi_dev;
- uint32_t len;
-
- switch (p->pid) {
- case USB_TOKEN_OUT:
- if (devep != 2)
- goto fail;
-
- switch (s->mode) {
- case USB_MSDM_CBW:
- if (p->iov.size != 31) {
- error_report("usb-msd: Bad CBW size");
- goto fail;
- }
- usb_packet_copy(p, &cbw, 31);
- if (le32_to_cpu(cbw.sig) != 0x43425355) {
- error_report("usb-msd: Bad signature %08x",
- le32_to_cpu(cbw.sig));
- goto fail;
- }
- DPRINTF("Command on LUN %d\n", cbw.lun);
- scsi_dev = scsi_device_find(&s->bus, 0, 0, cbw.lun);
- if (scsi_dev == NULL) {
- error_report("usb-msd: Bad LUN %d", cbw.lun);
- goto fail;
- }
- tag = le32_to_cpu(cbw.tag);
- s->data_len = le32_to_cpu(cbw.data_len);
- if (s->data_len == 0) {
- s->mode = USB_MSDM_CSW;
- } else if (cbw.flags & 0x80) {
- s->mode = USB_MSDM_DATAIN;
- } else {
- s->mode = USB_MSDM_DATAOUT;
- }
- DPRINTF("Command tag 0x%x flags %08x len %d data %d\n",
- tag, cbw.flags, cbw.cmd_len, s->data_len);
- assert(le32_to_cpu(s->csw.residue) == 0);
- s->scsi_len = 0;
- s->req = scsi_req_new(scsi_dev, tag, cbw.lun, cbw.cmd, NULL);
-#ifdef DEBUG_MSD
- scsi_req_print(s->req);
-#endif
- len = scsi_req_enqueue(s->req);
- if (len) {
- scsi_req_continue(s->req);
- }
- break;
-
- case USB_MSDM_DATAOUT:
- DPRINTF("Data out %zd/%d\n", p->iov.size, s->data_len);
- if (p->iov.size > s->data_len) {
- goto fail;
- }
-
- if (s->scsi_len) {
- usb_msd_copy_data(s, p);
- }
- if (le32_to_cpu(s->csw.residue)) {
- int len = p->iov.size - p->actual_length;
- if (len) {
- usb_packet_skip(p, len);
- s->data_len -= len;
- if (s->data_len == 0) {
- s->mode = USB_MSDM_CSW;
- }
- }
- }
- if (p->actual_length < p->iov.size) {
- DPRINTF("Deferring packet %p [wait data-out]\n", p);
- s->packet = p;
- p->status = USB_RET_ASYNC;
- }
- break;
-
- default:
- DPRINTF("Unexpected write (len %zd)\n", p->iov.size);
- goto fail;
- }
- break;
-
- case USB_TOKEN_IN:
- if (devep != 1)
- goto fail;
-
- switch (s->mode) {
- case USB_MSDM_DATAOUT:
- if (s->data_len != 0 || p->iov.size < 13) {
- goto fail;
- }
- /* Waiting for SCSI write to complete. */
- s->packet = p;
- p->status = USB_RET_ASYNC;
- break;
-
- case USB_MSDM_CSW:
- if (p->iov.size < 13) {
- goto fail;
- }
-
- if (s->req) {
- /* still in flight */
- DPRINTF("Deferring packet %p [wait status]\n", p);
- s->packet = p;
- p->status = USB_RET_ASYNC;
- } else {
- usb_msd_send_status(s, p);
- s->mode = USB_MSDM_CBW;
- }
- break;
-
- case USB_MSDM_DATAIN:
- DPRINTF("Data in %zd/%d, scsi_len %d\n",
- p->iov.size, s->data_len, s->scsi_len);
- if (s->scsi_len) {
- usb_msd_copy_data(s, p);
- }
- if (le32_to_cpu(s->csw.residue)) {
- int len = p->iov.size - p->actual_length;
- if (len) {
- usb_packet_skip(p, len);
- s->data_len -= len;
- if (s->data_len == 0) {
- s->mode = USB_MSDM_CSW;
- }
- }
- }
- if (p->actual_length < p->iov.size) {
- DPRINTF("Deferring packet %p [wait data-in]\n", p);
- s->packet = p;
- p->status = USB_RET_ASYNC;
- }
- break;
-
- default:
- DPRINTF("Unexpected read (len %zd)\n", p->iov.size);
- goto fail;
- }
- break;
-
- default:
- DPRINTF("Bad token\n");
- fail:
- p->status = USB_RET_STALL;
- break;
- }
-}
-
-static void usb_msd_password_cb(void *opaque, int err)
-{
- MSDState *s = opaque;
- Error *local_err = NULL;
-
- if (!err) {
- usb_device_attach(&s->dev, &local_err);
- }
-
- if (local_err) {
- error_report_err(local_err);
- qdev_unplug(&s->dev.qdev, NULL);
- }
-}
-
-static void *usb_msd_load_request(QEMUFile *f, SCSIRequest *req)
-{
- MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent);
-
- /* nothing to load, just store req in our state struct */
- assert(s->req == NULL);
- scsi_req_ref(req);
- s->req = 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 const struct SCSIBusInfo usb_msd_scsi_info_bot = {
- .tcq = false,
- .max_target = 0,
- .max_lun = 15,
-
- .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_realize_storage(USBDevice *dev, Error **errp)
-{
- MSDState *s = USB_STORAGE_DEV(dev);
- BlockBackend *blk = s->conf.blk;
- SCSIDevice *scsi_dev;
- Error *err = NULL;
-
- if (!blk) {
- error_setg(errp, "drive property not set");
- return;
- }
-
- if (blk_bs(blk)) {
- bdrv_add_key(blk_bs(blk), NULL, &err);
- if (err) {
- if (monitor_cur_is_qmp()) {
- error_propagate(errp, err);
- return;
- }
- error_free(err);
- err = NULL;
- if (cur_mon) {
- monitor_read_bdrv_key_start(cur_mon, blk_bs(blk),
- usb_msd_password_cb, s);
- s->dev.auto_attach = 0;
- } else {
- autostart = 0;
- }
- }
- }
-
- blkconf_serial(&s->conf, &dev->serial);
- blkconf_blocksizes(&s->conf);
-
- /*
- * 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.
- *
- * The hack is probably a bad idea.
- */
- blk_detach_dev(blk, &s->dev.qdev);
- 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, dev->serial,
- &err);
- if (!scsi_dev) {
- error_propagate(errp, err);
- return;
- }
- usb_msd_handle_reset(dev);
- s->scsi_dev = scsi_dev;
-}
-
-static void usb_msd_realize_bot(USBDevice *dev, Error **errp)
-{
- MSDState *s = USB_STORAGE_DEV(dev);
-
- usb_desc_create_serial(dev);
- usb_desc_init(dev);
- scsi_bus_new(&s->bus, sizeof(s->bus), DEVICE(dev),
- &usb_msd_scsi_info_bot, NULL);
- usb_msd_handle_reset(dev);
-}
-
-static USBDevice *usb_msd_init(USBBus *bus, const char *filename)
-{
- static int nr=0;
- Error *err = NULL;
- char id[8];
- QemuOpts *opts;
- DriveInfo *dinfo;
- USBDevice *dev;
- const char *p1;
- char fmt[32];
-
- /* parse -usbdevice disk: syntax into drive opts */
- do {
- snprintf(id, sizeof(id), "usb%d", nr++);
- opts = qemu_opts_create(qemu_find_opts("drive"), id, 1, NULL);
- } while (!opts);
-
- p1 = strchr(filename, ':');
- if (p1++) {
- const char *p2;
-
- if (strstart(filename, "format=", &p2)) {
- int len = MIN(p1 - p2, sizeof(fmt));
- pstrcpy(fmt, len, p2);
- qemu_opt_set(opts, "format", fmt, &error_abort);
- } else if (*filename != ':') {
- error_report("unrecognized USB mass-storage option %s", filename);
- return NULL;
- }
- filename = p1;
- }
- if (!*filename) {
- error_report("block device specification needed");
- return NULL;
- }
- qemu_opt_set(opts, "file", filename, &error_abort);
- qemu_opt_set(opts, "if", "none", &error_abort);
-
- /* create host drive */
- dinfo = drive_new(opts, 0);
- if (!dinfo) {
- qemu_opts_del(opts);
- return NULL;
- }
-
- /* create guest device */
- dev = usb_create(bus, "usb-storage");
- qdev_prop_set_drive(&dev->qdev, "drive", blk_by_legacy_dinfo(dinfo),
- &err);
- if (err) {
- error_report_err(err);
- object_unparent(OBJECT(dev));
- return NULL;
- }
- return dev;
-}
-
-static const VMStateDescription vmstate_usb_msd = {
- .name = "usb-storage",
- .version_id = 1,
- .minimum_version_id = 1,
- .fields = (VMStateField[]) {
- VMSTATE_USB_DEVICE(dev, MSDState),
- VMSTATE_UINT32(mode, MSDState),
- VMSTATE_UINT32(scsi_len, MSDState),
- VMSTATE_UINT32(scsi_off, MSDState),
- VMSTATE_UINT32(data_len, MSDState),
- VMSTATE_UINT32(csw.sig, MSDState),
- VMSTATE_UINT32(csw.tag, MSDState),
- VMSTATE_UINT32(csw.residue, MSDState),
- VMSTATE_UINT8(csw.status, MSDState),
- VMSTATE_END_OF_LIST()
- }
-};
-
-static Property msd_properties[] = {
- DEFINE_BLOCK_PROPERTIES(MSDState, conf),
- DEFINE_PROP_BIT("removable", MSDState, removable, 0, false),
- DEFINE_PROP_END_OF_LIST(),
-};
-
-static void usb_msd_class_initfn_common(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
-
- uc->product_desc = "QEMU USB MSD";
- uc->usb_desc = &desc;
- uc->cancel_packet = usb_msd_cancel_io;
- uc->handle_attach = usb_desc_attach;
- uc->handle_reset = usb_msd_handle_reset;
- uc->handle_control = usb_msd_handle_control;
- uc->handle_data = usb_msd_handle_data;
- set_bit(DEVICE_CATEGORY_STORAGE, dc->categories);
- dc->fw_name = "storage";
- dc->vmsd = &vmstate_usb_msd;
-}
-
-static void usb_msd_class_initfn_storage(ObjectClass *klass, void *data)
-{
- DeviceClass *dc = DEVICE_CLASS(klass);
- USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
-
- uc->realize = usb_msd_realize_storage;
- dc->props = 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;
-
- visit_type_int32(v, name, &boot_index, &local_err);
- if (local_err) {
- goto out;
- }
- /* 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), boot_index, "bootindex",
- &error_abort);
- }
-
-out:
- if (local_err) {
- error_propagate(errp, local_err);
- }
-}
-
-static const TypeInfo usb_storage_dev_type_info = {
- .name = TYPE_USB_STORAGE,
- .parent = TYPE_USB_DEVICE,
- .instance_size = sizeof(MSDState),
- .abstract = true,
- .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, NULL);
- object_property_set_int(obj, -1, "bootindex", NULL);
-}
-
-static void usb_msd_class_initfn_bot(ObjectClass *klass, void *data)
-{
- USBDeviceClass *uc = USB_DEVICE_CLASS(klass);
- DeviceClass *dc = DEVICE_CLASS(klass);
-
- uc->realize = usb_msd_realize_bot;
- dc->hotpluggable = false;
-}
-
-static const TypeInfo msd_info = {
- .name = "usb-storage",
- .parent = TYPE_USB_STORAGE,
- .class_init = usb_msd_class_initfn_storage,
- .instance_init = usb_msd_instance_init,
-};
-
-static const TypeInfo bot_info = {
- .name = "usb-bot",
- .parent = TYPE_USB_STORAGE,
- .class_init = usb_msd_class_initfn_bot,
-};
-
-static void usb_msd_register_types(void)
-{
- type_register_static(&usb_storage_dev_type_info);
- type_register_static(&msd_info);
- type_register_static(&bot_info);
- usb_legacy_register("usb-storage", "disk", usb_msd_init);
-}
-
-type_init(usb_msd_register_types)