*/
#include "qemu-common.h"
+#include "qemu-option.h"
+#include "qemu-config.h"
#include "usb.h"
-#include "block.h"
-#include "scsi-disk.h"
+#include "usb-desc.h"
+#include "scsi.h"
+#include "console.h"
+#include "monitor.h"
+#include "sysemu.h"
+#include "blockdev.h"
//#define DEBUG_MSD
#ifdef DEBUG_MSD
-#define DPRINTF(fmt, args...) \
-do { printf("usb-msd: " fmt , ##args); } while (0)
+#define DPRINTF(fmt, ...) \
+do { printf("usb-msd: " fmt , ## __VA_ARGS__); } while (0)
#else
-#define DPRINTF(fmt, args...) do {} while(0)
+#define DPRINTF(fmt, ...) do {} while(0)
#endif
/* USB requests. */
uint32_t data_len;
uint32_t residue;
uint32_t tag;
- BlockDriverState *bs;
+ SCSIBus bus;
+ BlockConf conf;
SCSIDevice *scsi_dev;
+ uint32_t removable;
int result;
/* For async completion. */
USBPacket *packet;
uint8_t status;
};
-static const uint8_t qemu_msd_dev_descriptor[] = {
- 0x12, /* u8 bLength; */
- 0x01, /* u8 bDescriptorType; Device */
- 0x00, 0x01, /* u16 bcdUSB; v1.0 */
-
- 0x00, /* u8 bDeviceClass; */
- 0x00, /* u8 bDeviceSubClass; */
- 0x00, /* u8 bDeviceProtocol; [ low/full speeds only ] */
- 0x08, /* u8 bMaxPacketSize0; 8 Bytes */
-
- /* Vendor and product id are arbitrary. */
- 0x00, 0x00, /* u16 idVendor; */
- 0x00, 0x00, /* u16 idProduct; */
- 0x00, 0x00, /* u16 bcdDevice */
-
- 0x01, /* u8 iManufacturer; */
- 0x02, /* u8 iProduct; */
- 0x03, /* u8 iSerialNumber; */
- 0x01 /* u8 bNumConfigurations; */
+enum {
+ STR_MANUFACTURER = 1,
+ STR_PRODUCT,
+ STR_SERIALNUMBER,
+ STR_CONFIG_FULL,
+ STR_CONFIG_HIGH,
};
-static const uint8_t qemu_msd_config_descriptor[] = {
-
- /* one configuration */
- 0x09, /* u8 bLength; */
- 0x02, /* u8 bDescriptorType; Configuration */
- 0x20, 0x00, /* u16 wTotalLength; */
- 0x01, /* u8 bNumInterfaces; (1) */
- 0x01, /* u8 bConfigurationValue; */
- 0x00, /* u8 iConfiguration; */
- 0xc0, /* u8 bmAttributes;
- Bit 7: must be set,
- 6: Self-powered,
- 5: Remote wakeup,
- 4..0: resvd */
- 0x00, /* u8 MaxPower; */
-
- /* one interface */
- 0x09, /* u8 if_bLength; */
- 0x04, /* u8 if_bDescriptorType; Interface */
- 0x00, /* u8 if_bInterfaceNumber; */
- 0x00, /* u8 if_bAlternateSetting; */
- 0x02, /* u8 if_bNumEndpoints; */
- 0x08, /* u8 if_bInterfaceClass; MASS STORAGE */
- 0x06, /* u8 if_bInterfaceSubClass; SCSI */
- 0x50, /* u8 if_bInterfaceProtocol; Bulk Only */
- 0x00, /* u8 if_iInterface; */
-
- /* Bulk-In endpoint */
- 0x07, /* u8 ep_bLength; */
- 0x05, /* u8 ep_bDescriptorType; Endpoint */
- 0x81, /* u8 ep_bEndpointAddress; IN Endpoint 1 */
- 0x02, /* u8 ep_bmAttributes; Bulk */
- 0x40, 0x00, /* u16 ep_wMaxPacketSize; */
- 0x00, /* u8 ep_bInterval; */
-
- /* Bulk-Out endpoint */
- 0x07, /* u8 ep_bLength; */
- 0x05, /* u8 ep_bDescriptorType; Endpoint */
- 0x02, /* u8 ep_bEndpointAddress; OUT Endpoint 2 */
- 0x02, /* u8 ep_bmAttributes; Bulk */
- 0x40, 0x00, /* u16 ep_wMaxPacketSize; */
- 0x00 /* u8 ep_bInterval; */
+static const USBDescStrings desc_strings = {
+ [STR_MANUFACTURER] = "QEMU " QEMU_VERSION,
+ [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)",
+};
+
+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 = 0xc0,
+ .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 = 0xc0,
+ .ifs = &desc_iface_high,
+ },
+ },
+};
+
+static const USBDesc desc = {
+ .id = {
+ .idVendor = 0,
+ .idProduct = 0,
+ .bcdDevice = 0,
+ .iManufacturer = STR_MANUFACTURER,
+ .iProduct = STR_PRODUCT,
+ .iSerialNumber = STR_SERIALNUMBER,
+ },
+ .full = &desc_device_full,
+ .high = &desc_device_high,
+ .str = desc_strings,
};
static void usb_msd_copy_data(MSDState *s)
s->usb_buf += len;
s->scsi_buf += len;
s->data_len -= len;
- if (s->scsi_len == 0) {
+ if (s->scsi_len == 0 || s->data_len == 0) {
if (s->mode == USB_MSDM_DATAIN) {
- s->scsi_dev->read_data(s->scsi_dev, s->tag);
+ s->scsi_dev->info->read_data(s->scsi_dev, s->tag);
} else if (s->mode == USB_MSDM_DATAOUT) {
- s->scsi_dev->write_data(s->scsi_dev, s->tag);
+ s->scsi_dev->info->write_data(s->scsi_dev, s->tag);
}
}
}
-static void usb_msd_send_status(MSDState *s)
+static void usb_msd_send_status(MSDState *s, USBPacket *p)
{
struct usb_msd_csw csw;
+ int len;
csw.sig = cpu_to_le32(0x53425355);
csw.tag = cpu_to_le32(s->tag);
csw.residue = s->residue;
csw.status = s->result;
- memcpy(s->usb_buf, &csw, 13);
+
+ len = MIN(sizeof(csw), p->len);
+ memcpy(p->data, &csw, len);
}
-static void usb_msd_command_complete(void *opaque, int reason, uint32_t tag,
+static void usb_msd_command_complete(SCSIBus *bus, int reason, uint32_t tag,
uint32_t arg)
{
- MSDState *s = (MSDState *)opaque;
+ MSDState *s = DO_UPCAST(MSDState, dev.qdev, bus->qbus.parent);
USBPacket *p = s->packet;
if (tag != s->tag) {
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);
+ usb_msd_send_status(s, p);
s->mode = USB_MSDM_CBW;
} else {
if (s->data_len) {
return;
}
s->scsi_len = arg;
- s->scsi_buf = s->scsi_dev->get_buf(s->scsi_dev, tag);
+ s->scsi_buf = s->scsi_dev->info->get_buf(s->scsi_dev, tag);
if (p) {
usb_msd_copy_data(s);
if (s->usb_len == 0) {
int index, int length, uint8_t *data)
{
MSDState *s = (MSDState *)dev;
- int ret = 0;
+ int ret;
+
+ ret = usb_desc_handle_control(dev, request, value, index, length, data);
+ if (ret >= 0) {
+ return ret;
+ }
+ ret = 0;
switch (request) {
- case DeviceRequest | USB_REQ_GET_STATUS:
- data[0] = (1 << USB_DEVICE_SELF_POWERED) |
- (dev->remote_wakeup << USB_DEVICE_REMOTE_WAKEUP);
- data[1] = 0x00;
- ret = 2;
- break;
- case DeviceOutRequest | USB_REQ_CLEAR_FEATURE:
- if (value == USB_DEVICE_REMOTE_WAKEUP) {
- dev->remote_wakeup = 0;
- } else {
- goto fail;
- }
- ret = 0;
- break;
- case DeviceOutRequest | USB_REQ_SET_FEATURE:
- if (value == USB_DEVICE_REMOTE_WAKEUP) {
- dev->remote_wakeup = 1;
- } else {
- goto fail;
- }
- ret = 0;
- break;
- case DeviceOutRequest | USB_REQ_SET_ADDRESS:
- dev->addr = value;
- ret = 0;
- break;
- case DeviceRequest | USB_REQ_GET_DESCRIPTOR:
- switch(value >> 8) {
- case USB_DT_DEVICE:
- memcpy(data, qemu_msd_dev_descriptor,
- sizeof(qemu_msd_dev_descriptor));
- ret = sizeof(qemu_msd_dev_descriptor);
- break;
- case USB_DT_CONFIG:
- memcpy(data, qemu_msd_config_descriptor,
- sizeof(qemu_msd_config_descriptor));
- ret = sizeof(qemu_msd_config_descriptor);
- break;
- case USB_DT_STRING:
- switch(value & 0xff) {
- case 0:
- /* language ids */
- data[0] = 4;
- data[1] = 3;
- data[2] = 0x09;
- data[3] = 0x04;
- ret = 4;
- break;
- case 1:
- /* vendor description */
- ret = set_usb_string(data, "QEMU " QEMU_VERSION);
- break;
- case 2:
- /* product description */
- ret = set_usb_string(data, "QEMU USB HARDDRIVE");
- break;
- case 3:
- /* serial number */
- ret = set_usb_string(data, "1");
- break;
- default:
- goto fail;
- }
- break;
- default:
- goto fail;
- }
- break;
- case DeviceRequest | USB_REQ_GET_CONFIGURATION:
- data[0] = 1;
- ret = 1;
- break;
- case DeviceOutRequest | USB_REQ_SET_CONFIGURATION:
- ret = 0;
- break;
case DeviceRequest | USB_REQ_GET_INTERFACE:
data[0] = 0;
ret = 1;
ret = 0;
break;
case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
- if (value == 0 && index != 0x81) { /* clear ep halt */
- goto fail;
- }
+ ret = 0;
+ break;
+ case InterfaceOutRequest | USB_REQ_SET_INTERFACE:
ret = 0;
break;
/* Class specific requests. */
- case MassStorageReset:
+ case ClassInterfaceOutRequest | MassStorageReset:
/* Reset state ready for the next CBW. */
s->mode = USB_MSDM_CBW;
ret = 0;
break;
- case GetMaxLun:
+ case ClassInterfaceRequest | GetMaxLun:
data[0] = 0;
ret = 1;
break;
default:
- fail:
ret = USB_RET_STALL;
break;
}
static void usb_msd_cancel_io(USBPacket *p, void *opaque)
{
MSDState *s = opaque;
- s->scsi_dev->cancel_io(s->scsi_dev, s->tag);
+ s->scsi_dev->info->cancel_io(s->scsi_dev, s->tag);
s->packet = NULL;
s->scsi_len = 0;
}
DPRINTF("Command tag 0x%x flags %08x len %d data %d\n",
s->tag, cbw.flags, cbw.cmd_len, s->data_len);
s->residue = 0;
- s->scsi_dev->send_command(s->scsi_dev, s->tag, cbw.cmd, 0);
+ s->scsi_dev->info->send_command(s->scsi_dev, s->tag, cbw.cmd, 0);
/* ??? Should check that USB and SCSI data transfer
directions match. */
if (s->residue == 0) {
if (s->mode == USB_MSDM_DATAIN) {
- s->scsi_dev->read_data(s->scsi_dev, s->tag);
+ s->scsi_dev->info->read_data(s->scsi_dev, s->tag);
} else if (s->mode == USB_MSDM_DATAOUT) {
- s->scsi_dev->write_data(s->scsi_dev, s->tag);
+ s->scsi_dev->info->write_data(s->scsi_dev, s->tag);
}
}
ret = len;
if (len < 13)
goto fail;
- s->usb_len = len;
- s->usb_buf = data;
- usb_msd_send_status(s);
+ usb_msd_send_status(s, p);
s->mode = USB_MSDM_CBW;
ret = 13;
break;
case USB_MSDM_DATAIN:
- DPRINTF("Data in %d/%d\n", len, s->data_len);
+ DPRINTF("Data in %d/%d, scsi_len %d\n", len, s->data_len, s->scsi_len);
if (len > s->data_len)
len = s->data_len;
s->usb_buf = data;
return ret;
}
-static void usb_msd_handle_destroy(USBDevice *dev)
+static void usb_msd_password_cb(void *opaque, int err)
{
- MSDState *s = (MSDState *)dev;
+ MSDState *s = opaque;
+
+ if (!err)
+ usb_device_attach(&s->dev);
+ else
+ qdev_unplug(&s->dev.qdev);
+}
+
+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("usb-msd: drive property not set");
+ return -1;
+ }
+
+ /*
+ * 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.
+ */
+ bdrv_detach(bs, &s->dev.qdev);
+ s->conf.bs = NULL;
+
+ dinfo = drive_get_by_blockdev(bs);
+ if (dinfo && dinfo->serial) {
+ usb_desc_set_string(dev, STR_SERIALNUMBER, dinfo->serial);
+ }
+
+ usb_desc_init(dev);
+ scsi_bus_new(&s->bus, &s->dev.qdev, 0, 1, usb_msd_command_complete);
+ s->scsi_dev = scsi_bus_legacy_add_drive(&s->bus, bs, 0, !!s->removable);
+ if (!s->scsi_dev) {
+ return -1;
+ }
+ s->bus.qbus.allow_hotplug = 0;
+ usb_msd_handle_reset(dev);
- s->scsi_dev->destroy(s->scsi_dev);
- bdrv_delete(s->bs);
- qemu_free(s);
+ if (bdrv_key_required(bs)) {
+ if (cur_mon) {
+ monitor_read_bdrv_key_start(cur_mon, bs, usb_msd_password_cb, s);
+ s->dev.auto_attach = 0;
+ } else {
+ autostart = 0;
+ }
+ }
+
+ add_boot_device_path(s->conf.bootindex, &dev->qdev, "/disk@0,0");
+ return 0;
}
-USBDevice *usb_msd_init(const char *filename)
+static USBDevice *usb_msd_init(const char *filename)
{
- MSDState *s;
- BlockDriverState *bdrv;
+ static int nr=0;
+ char id[8];
+ QemuOpts *opts;
+ DriveInfo *dinfo;
+ USBDevice *dev;
+ const char *p1;
+ char fmt[32];
+
+ /* parse -usbdevice disk: syntax into drive opts */
+ snprintf(id, sizeof(id), "usb%d", nr++);
+ opts = qemu_opts_create(qemu_find_opts("drive"), id, 0);
+
+ 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);
+ } else if (*filename != ':') {
+ printf("unrecognized USB mass-storage option %s\n", filename);
+ return NULL;
+ }
+ filename = p1;
+ }
+ if (!*filename) {
+ printf("block device specification needed\n");
+ return NULL;
+ }
+ qemu_opt_set(opts, "file", filename);
+ qemu_opt_set(opts, "if", "none");
+
+ /* create host drive */
+ dinfo = drive_init(opts, 0);
+ if (!dinfo) {
+ qemu_opts_del(opts);
+ return NULL;
+ }
- s = qemu_mallocz(sizeof(MSDState));
- if (!s)
+ /* create guest device */
+ dev = usb_create(NULL /* FIXME */, "usb-storage");
+ if (!dev) {
+ return NULL;
+ }
+ if (qdev_prop_set_drive(&dev->qdev, "drive", dinfo->bdrv) < 0) {
+ qdev_free(&dev->qdev);
+ return NULL;
+ }
+ if (qdev_init(&dev->qdev) < 0)
return NULL;
- bdrv = bdrv_new("usb");
- if (bdrv_open(bdrv, filename, 0) < 0)
- goto fail;
- if (qemu_key_check(bdrv, filename))
- goto fail;
- s->bs = bdrv;
-
- s->dev.speed = USB_SPEED_FULL;
- s->dev.handle_packet = usb_generic_handle_packet;
-
- s->dev.handle_reset = usb_msd_handle_reset;
- s->dev.handle_control = usb_msd_handle_control;
- s->dev.handle_data = usb_msd_handle_data;
- s->dev.handle_destroy = usb_msd_handle_destroy;
-
- snprintf(s->dev.devname, sizeof(s->dev.devname), "QEMU USB MSD(%.16s)",
- filename);
-
- s->scsi_dev = scsi_disk_init(bdrv, 0, usb_msd_command_complete, s);
- usb_msd_handle_reset((USBDevice *)s);
- return (USBDevice *)s;
- fail:
- qemu_free(s);
- return NULL;
+ return dev;
+}
+
+static struct USBDeviceInfo msd_info = {
+ .product_desc = "QEMU USB MSD",
+ .qdev.name = "usb-storage",
+ .qdev.fw_name = "storage",
+ .qdev.size = sizeof(MSDState),
+ .usb_desc = &desc,
+ .init = usb_msd_initfn,
+ .handle_packet = usb_generic_handle_packet,
+ .handle_attach = usb_desc_attach,
+ .handle_reset = usb_msd_handle_reset,
+ .handle_control = usb_msd_handle_control,
+ .handle_data = usb_msd_handle_data,
+ .usbdevice_name = "disk",
+ .usbdevice_init = usb_msd_init,
+ .qdev.props = (Property[]) {
+ DEFINE_BLOCK_PROPERTIES(MSDState, conf),
+ DEFINE_PROP_BIT("removable", MSDState, removable, 0, false),
+ DEFINE_PROP_END_OF_LIST(),
+ },
+};
+
+static void usb_msd_register_devices(void)
+{
+ usb_qdev_register(&msd_info);
}
+device_init(usb_msd_register_devices)
projects / qemu.git / blobdiff