root / hw / usb-msd.c @ 079d0b7f
History | View | Annotate | Download (18 kB)
1 | 5fafdf24 | ths | /*
|
---|---|---|---|
2 | 2e5d83bb | pbrook | * USB Mass Storage Device emulation
|
3 | 2e5d83bb | pbrook | *
|
4 | 2e5d83bb | pbrook | * Copyright (c) 2006 CodeSourcery.
|
5 | 2e5d83bb | pbrook | * Written by Paul Brook
|
6 | 2e5d83bb | pbrook | *
|
7 | 8e31bf38 | Matthew Fernandez | * This code is licensed under the LGPL.
|
8 | 2e5d83bb | pbrook | */
|
9 | 2e5d83bb | pbrook | |
10 | 87ecb68b | pbrook | #include "qemu-common.h" |
11 | 7fc2f2c0 | Gerd Hoffmann | #include "qemu-option.h" |
12 | 7fc2f2c0 | Gerd Hoffmann | #include "qemu-config.h" |
13 | 87ecb68b | pbrook | #include "usb.h" |
14 | 81bfd2f2 | Gerd Hoffmann | #include "usb-desc.h" |
15 | 43b443b6 | Gerd Hoffmann | #include "scsi.h" |
16 | c0f4ce77 | aliguori | #include "console.h" |
17 | b3e461d3 | Gerd Hoffmann | #include "monitor.h" |
18 | 666daa68 | Markus Armbruster | #include "sysemu.h" |
19 | 2446333c | Blue Swirl | #include "blockdev.h" |
20 | 2e5d83bb | pbrook | |
21 | 2e5d83bb | pbrook | //#define DEBUG_MSD
|
22 | 2e5d83bb | pbrook | |
23 | 2e5d83bb | pbrook | #ifdef DEBUG_MSD
|
24 | 001faf32 | Blue Swirl | #define DPRINTF(fmt, ...) \
|
25 | 001faf32 | Blue Swirl | do { printf("usb-msd: " fmt , ## __VA_ARGS__); } while (0) |
26 | 2e5d83bb | pbrook | #else
|
27 | 001faf32 | Blue Swirl | #define DPRINTF(fmt, ...) do {} while(0) |
28 | 2e5d83bb | pbrook | #endif
|
29 | 2e5d83bb | pbrook | |
30 | 2e5d83bb | pbrook | /* USB requests. */
|
31 | 2e5d83bb | pbrook | #define MassStorageReset 0xff |
32 | 2e5d83bb | pbrook | #define GetMaxLun 0xfe |
33 | 2e5d83bb | pbrook | |
34 | 2e5d83bb | pbrook | enum USBMSDMode {
|
35 | 2e5d83bb | pbrook | USB_MSDM_CBW, /* Command Block. */
|
36 | 94843f66 | Brad Hards | USB_MSDM_DATAOUT, /* Transfer data to device. */
|
37 | 2e5d83bb | pbrook | USB_MSDM_DATAIN, /* Transfer data from device. */
|
38 | 2e5d83bb | pbrook | USB_MSDM_CSW /* Command Status. */
|
39 | 2e5d83bb | pbrook | }; |
40 | 2e5d83bb | pbrook | |
41 | 92a114f6 | Gerd Hoffmann | struct usb_msd_csw {
|
42 | 92a114f6 | Gerd Hoffmann | uint32_t sig; |
43 | 92a114f6 | Gerd Hoffmann | uint32_t tag; |
44 | 92a114f6 | Gerd Hoffmann | uint32_t residue; |
45 | 92a114f6 | Gerd Hoffmann | uint8_t status; |
46 | 92a114f6 | Gerd Hoffmann | }; |
47 | 92a114f6 | Gerd Hoffmann | |
48 | 2e5d83bb | pbrook | typedef struct { |
49 | 2e5d83bb | pbrook | USBDevice dev; |
50 | 2e5d83bb | pbrook | enum USBMSDMode mode;
|
51 | a917d384 | pbrook | uint32_t scsi_len; |
52 | a917d384 | pbrook | uint8_t *scsi_buf; |
53 | 2e5d83bb | pbrook | uint32_t data_len; |
54 | a917d384 | pbrook | uint32_t residue; |
55 | 92a114f6 | Gerd Hoffmann | struct usb_msd_csw csw;
|
56 | 5c6c0e51 | Hannes Reinecke | SCSIRequest *req; |
57 | ca9c39fa | Gerd Hoffmann | SCSIBus bus; |
58 | 428c149b | Christoph Hellwig | BlockConf conf; |
59 | c3a90cb1 | Markus Armbruster | char *serial;
|
60 | 2e5d83bb | pbrook | SCSIDevice *scsi_dev; |
61 | 6bb7b867 | Stefan Hajnoczi | uint32_t removable; |
62 | 4d611c9a | pbrook | /* For async completion. */
|
63 | 4d611c9a | pbrook | USBPacket *packet; |
64 | 2e5d83bb | pbrook | } MSDState; |
65 | 2e5d83bb | pbrook | |
66 | a917d384 | pbrook | struct usb_msd_cbw {
|
67 | a917d384 | pbrook | uint32_t sig; |
68 | a917d384 | pbrook | uint32_t tag; |
69 | a917d384 | pbrook | uint32_t data_len; |
70 | a917d384 | pbrook | uint8_t flags; |
71 | a917d384 | pbrook | uint8_t lun; |
72 | a917d384 | pbrook | uint8_t cmd_len; |
73 | a917d384 | pbrook | uint8_t cmd[16];
|
74 | a917d384 | pbrook | }; |
75 | a917d384 | pbrook | |
76 | 81bfd2f2 | Gerd Hoffmann | enum {
|
77 | 81bfd2f2 | Gerd Hoffmann | STR_MANUFACTURER = 1,
|
78 | 81bfd2f2 | Gerd Hoffmann | STR_PRODUCT, |
79 | 81bfd2f2 | Gerd Hoffmann | STR_SERIALNUMBER, |
80 | ca0c730d | Gerd Hoffmann | STR_CONFIG_FULL, |
81 | ca0c730d | Gerd Hoffmann | STR_CONFIG_HIGH, |
82 | 2e5d83bb | pbrook | }; |
83 | 2e5d83bb | pbrook | |
84 | 81bfd2f2 | Gerd Hoffmann | static const USBDescStrings desc_strings = { |
85 | 81bfd2f2 | Gerd Hoffmann | [STR_MANUFACTURER] = "QEMU " QEMU_VERSION,
|
86 | 81bfd2f2 | Gerd Hoffmann | [STR_PRODUCT] = "QEMU USB HARDDRIVE",
|
87 | 81bfd2f2 | Gerd Hoffmann | [STR_SERIALNUMBER] = "1",
|
88 | ca0c730d | Gerd Hoffmann | [STR_CONFIG_FULL] = "Full speed config (usb 1.1)",
|
89 | ca0c730d | Gerd Hoffmann | [STR_CONFIG_HIGH] = "High speed config (usb 2.0)",
|
90 | 81bfd2f2 | Gerd Hoffmann | }; |
91 | 81bfd2f2 | Gerd Hoffmann | |
92 | ca0c730d | Gerd Hoffmann | static const USBDescIface desc_iface_full = { |
93 | 81bfd2f2 | Gerd Hoffmann | .bInterfaceNumber = 0,
|
94 | 81bfd2f2 | Gerd Hoffmann | .bNumEndpoints = 2,
|
95 | 81bfd2f2 | Gerd Hoffmann | .bInterfaceClass = USB_CLASS_MASS_STORAGE, |
96 | 81bfd2f2 | Gerd Hoffmann | .bInterfaceSubClass = 0x06, /* SCSI */ |
97 | 81bfd2f2 | Gerd Hoffmann | .bInterfaceProtocol = 0x50, /* Bulk */ |
98 | 81bfd2f2 | Gerd Hoffmann | .eps = (USBDescEndpoint[]) { |
99 | 81bfd2f2 | Gerd Hoffmann | { |
100 | 81bfd2f2 | Gerd Hoffmann | .bEndpointAddress = USB_DIR_IN | 0x01,
|
101 | 81bfd2f2 | Gerd Hoffmann | .bmAttributes = USB_ENDPOINT_XFER_BULK, |
102 | 81bfd2f2 | Gerd Hoffmann | .wMaxPacketSize = 64,
|
103 | 81bfd2f2 | Gerd Hoffmann | },{ |
104 | 81bfd2f2 | Gerd Hoffmann | .bEndpointAddress = USB_DIR_OUT | 0x02,
|
105 | 81bfd2f2 | Gerd Hoffmann | .bmAttributes = USB_ENDPOINT_XFER_BULK, |
106 | 81bfd2f2 | Gerd Hoffmann | .wMaxPacketSize = 64,
|
107 | 81bfd2f2 | Gerd Hoffmann | }, |
108 | 81bfd2f2 | Gerd Hoffmann | } |
109 | 81bfd2f2 | Gerd Hoffmann | }; |
110 | 81bfd2f2 | Gerd Hoffmann | |
111 | ca0c730d | Gerd Hoffmann | static const USBDescDevice desc_device_full = { |
112 | ca0c730d | Gerd Hoffmann | .bcdUSB = 0x0200,
|
113 | 81bfd2f2 | Gerd Hoffmann | .bMaxPacketSize0 = 8,
|
114 | 81bfd2f2 | Gerd Hoffmann | .bNumConfigurations = 1,
|
115 | 81bfd2f2 | Gerd Hoffmann | .confs = (USBDescConfig[]) { |
116 | 81bfd2f2 | Gerd Hoffmann | { |
117 | 81bfd2f2 | Gerd Hoffmann | .bNumInterfaces = 1,
|
118 | 81bfd2f2 | Gerd Hoffmann | .bConfigurationValue = 1,
|
119 | ca0c730d | Gerd Hoffmann | .iConfiguration = STR_CONFIG_FULL, |
120 | 81bfd2f2 | Gerd Hoffmann | .bmAttributes = 0xc0,
|
121 | add75088 | Brad Hards | .nif = 1,
|
122 | ca0c730d | Gerd Hoffmann | .ifs = &desc_iface_full, |
123 | ca0c730d | Gerd Hoffmann | }, |
124 | ca0c730d | Gerd Hoffmann | }, |
125 | ca0c730d | Gerd Hoffmann | }; |
126 | ca0c730d | Gerd Hoffmann | |
127 | ca0c730d | Gerd Hoffmann | static const USBDescIface desc_iface_high = { |
128 | ca0c730d | Gerd Hoffmann | .bInterfaceNumber = 0,
|
129 | ca0c730d | Gerd Hoffmann | .bNumEndpoints = 2,
|
130 | ca0c730d | Gerd Hoffmann | .bInterfaceClass = USB_CLASS_MASS_STORAGE, |
131 | ca0c730d | Gerd Hoffmann | .bInterfaceSubClass = 0x06, /* SCSI */ |
132 | ca0c730d | Gerd Hoffmann | .bInterfaceProtocol = 0x50, /* Bulk */ |
133 | ca0c730d | Gerd Hoffmann | .eps = (USBDescEndpoint[]) { |
134 | ca0c730d | Gerd Hoffmann | { |
135 | ca0c730d | Gerd Hoffmann | .bEndpointAddress = USB_DIR_IN | 0x01,
|
136 | ca0c730d | Gerd Hoffmann | .bmAttributes = USB_ENDPOINT_XFER_BULK, |
137 | ca0c730d | Gerd Hoffmann | .wMaxPacketSize = 512,
|
138 | ca0c730d | Gerd Hoffmann | },{ |
139 | ca0c730d | Gerd Hoffmann | .bEndpointAddress = USB_DIR_OUT | 0x02,
|
140 | ca0c730d | Gerd Hoffmann | .bmAttributes = USB_ENDPOINT_XFER_BULK, |
141 | ca0c730d | Gerd Hoffmann | .wMaxPacketSize = 512,
|
142 | ca0c730d | Gerd Hoffmann | }, |
143 | ca0c730d | Gerd Hoffmann | } |
144 | ca0c730d | Gerd Hoffmann | }; |
145 | ca0c730d | Gerd Hoffmann | |
146 | ca0c730d | Gerd Hoffmann | static const USBDescDevice desc_device_high = { |
147 | ca0c730d | Gerd Hoffmann | .bcdUSB = 0x0200,
|
148 | ca0c730d | Gerd Hoffmann | .bMaxPacketSize0 = 64,
|
149 | ca0c730d | Gerd Hoffmann | .bNumConfigurations = 1,
|
150 | ca0c730d | Gerd Hoffmann | .confs = (USBDescConfig[]) { |
151 | ca0c730d | Gerd Hoffmann | { |
152 | ca0c730d | Gerd Hoffmann | .bNumInterfaces = 1,
|
153 | ca0c730d | Gerd Hoffmann | .bConfigurationValue = 1,
|
154 | ca0c730d | Gerd Hoffmann | .iConfiguration = STR_CONFIG_HIGH, |
155 | ca0c730d | Gerd Hoffmann | .bmAttributes = 0xc0,
|
156 | add75088 | Brad Hards | .nif = 1,
|
157 | ca0c730d | Gerd Hoffmann | .ifs = &desc_iface_high, |
158 | 81bfd2f2 | Gerd Hoffmann | }, |
159 | 81bfd2f2 | Gerd Hoffmann | }, |
160 | 81bfd2f2 | Gerd Hoffmann | }; |
161 | 81bfd2f2 | Gerd Hoffmann | |
162 | 81bfd2f2 | Gerd Hoffmann | static const USBDesc desc = { |
163 | 81bfd2f2 | Gerd Hoffmann | .id = { |
164 | db80358a | Roy Tam | .idVendor = 0x46f4, /* CRC16() of "QEMU" */ |
165 | db80358a | Roy Tam | .idProduct = 0x0001,
|
166 | 81bfd2f2 | Gerd Hoffmann | .bcdDevice = 0,
|
167 | 81bfd2f2 | Gerd Hoffmann | .iManufacturer = STR_MANUFACTURER, |
168 | 81bfd2f2 | Gerd Hoffmann | .iProduct = STR_PRODUCT, |
169 | 81bfd2f2 | Gerd Hoffmann | .iSerialNumber = STR_SERIALNUMBER, |
170 | 81bfd2f2 | Gerd Hoffmann | }, |
171 | ca0c730d | Gerd Hoffmann | .full = &desc_device_full, |
172 | ca0c730d | Gerd Hoffmann | .high = &desc_device_high, |
173 | 81bfd2f2 | Gerd Hoffmann | .str = desc_strings, |
174 | 2e5d83bb | pbrook | }; |
175 | 2e5d83bb | pbrook | |
176 | 29c74f76 | Gerd Hoffmann | static void usb_msd_copy_data(MSDState *s, USBPacket *p) |
177 | a917d384 | pbrook | { |
178 | a917d384 | pbrook | uint32_t len; |
179 | 29c74f76 | Gerd Hoffmann | len = p->iov.size - p->result; |
180 | a917d384 | pbrook | if (len > s->scsi_len)
|
181 | a917d384 | pbrook | len = s->scsi_len; |
182 | 29c74f76 | Gerd Hoffmann | usb_packet_copy(p, s->scsi_buf, len); |
183 | a917d384 | pbrook | s->scsi_len -= len; |
184 | a917d384 | pbrook | s->scsi_buf += len; |
185 | a917d384 | pbrook | s->data_len -= len; |
186 | fa7935c1 | Gerd Hoffmann | if (s->scsi_len == 0 || s->data_len == 0) { |
187 | ad3376cc | Paolo Bonzini | scsi_req_continue(s->req); |
188 | a917d384 | pbrook | } |
189 | a917d384 | pbrook | } |
190 | a917d384 | pbrook | |
191 | ab4797ad | Gerd Hoffmann | static void usb_msd_send_status(MSDState *s, USBPacket *p) |
192 | a917d384 | pbrook | { |
193 | ab4797ad | Gerd Hoffmann | int len;
|
194 | a917d384 | pbrook | |
195 | e04da7c3 | Gerd Hoffmann | DPRINTF("Command status %d tag 0x%x, len %zd\n",
|
196 | 92a114f6 | Gerd Hoffmann | s->csw.status, s->csw.tag, p->iov.size); |
197 | 92a114f6 | Gerd Hoffmann | |
198 | 92a114f6 | Gerd Hoffmann | assert(s->csw.sig == 0x53425355);
|
199 | 92a114f6 | Gerd Hoffmann | len = MIN(sizeof(s->csw), p->iov.size);
|
200 | 92a114f6 | Gerd Hoffmann | usb_packet_copy(p, &s->csw, len); |
201 | 92a114f6 | Gerd Hoffmann | memset(&s->csw, 0, sizeof(s->csw)); |
202 | a917d384 | pbrook | } |
203 | a917d384 | pbrook | |
204 | aba1f023 | Paolo Bonzini | static void usb_msd_transfer_data(SCSIRequest *req, uint32_t len) |
205 | 2e5d83bb | pbrook | { |
206 | 5c6c0e51 | Hannes Reinecke | MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent); |
207 | a917d384 | pbrook | USBPacket *p = s->packet; |
208 | 4d611c9a | pbrook | |
209 | ad3376cc | Paolo Bonzini | assert((s->mode == USB_MSDM_DATAOUT) == (req->cmd.mode == SCSI_XFER_TO_DEV)); |
210 | aba1f023 | Paolo Bonzini | s->scsi_len = len; |
211 | 0c34459b | Paolo Bonzini | s->scsi_buf = scsi_req_get_buf(req); |
212 | a917d384 | pbrook | if (p) {
|
213 | 29c74f76 | Gerd Hoffmann | usb_msd_copy_data(s, p); |
214 | 29c74f76 | Gerd Hoffmann | p = s->packet; |
215 | 29c74f76 | Gerd Hoffmann | if (p && p->result == p->iov.size) {
|
216 | a917d384 | pbrook | /* Set s->packet to NULL before calling usb_packet_complete
|
217 | 94843f66 | Brad Hards | because another request may be issued before
|
218 | a917d384 | pbrook | usb_packet_complete returns. */
|
219 | a917d384 | pbrook | DPRINTF("Packet complete %p\n", p);
|
220 | a917d384 | pbrook | s->packet = NULL;
|
221 | 13a9a0d3 | Gerd Hoffmann | usb_packet_complete(&s->dev, p); |
222 | a917d384 | pbrook | } |
223 | 4d611c9a | pbrook | } |
224 | 2e5d83bb | pbrook | } |
225 | 2e5d83bb | pbrook | |
226 | aba1f023 | Paolo Bonzini | static void usb_msd_command_complete(SCSIRequest *req, uint32_t status) |
227 | c6df7102 | Paolo Bonzini | { |
228 | c6df7102 | Paolo Bonzini | MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent); |
229 | c6df7102 | Paolo Bonzini | USBPacket *p = s->packet; |
230 | c6df7102 | Paolo Bonzini | |
231 | 7b863f41 | Gerd Hoffmann | DPRINTF("Command complete %d tag 0x%x\n", status, req->tag);
|
232 | c6df7102 | Paolo Bonzini | s->residue = s->data_len; |
233 | 92a114f6 | Gerd Hoffmann | |
234 | 92a114f6 | Gerd Hoffmann | s->csw.sig = cpu_to_le32(0x53425355);
|
235 | 7b863f41 | Gerd Hoffmann | s->csw.tag = cpu_to_le32(req->tag); |
236 | 92a114f6 | Gerd Hoffmann | s->csw.residue = s->residue; |
237 | 414c4604 | Gerd Hoffmann | s->csw.status = status != 0;
|
238 | 92a114f6 | Gerd Hoffmann | |
239 | c6df7102 | Paolo Bonzini | if (s->packet) {
|
240 | c6df7102 | Paolo Bonzini | if (s->data_len == 0 && s->mode == USB_MSDM_DATAOUT) { |
241 | c6df7102 | Paolo Bonzini | /* A deferred packet with no write data remaining must be
|
242 | c6df7102 | Paolo Bonzini | the status read packet. */
|
243 | c6df7102 | Paolo Bonzini | usb_msd_send_status(s, p); |
244 | c6df7102 | Paolo Bonzini | s->mode = USB_MSDM_CBW; |
245 | c6df7102 | Paolo Bonzini | } else {
|
246 | c6df7102 | Paolo Bonzini | if (s->data_len) {
|
247 | 29c74f76 | Gerd Hoffmann | int len = (p->iov.size - p->result);
|
248 | 29c74f76 | Gerd Hoffmann | usb_packet_skip(p, len); |
249 | 29c74f76 | Gerd Hoffmann | s->data_len -= len; |
250 | c6df7102 | Paolo Bonzini | } |
251 | c6df7102 | Paolo Bonzini | if (s->data_len == 0) { |
252 | c6df7102 | Paolo Bonzini | s->mode = USB_MSDM_CSW; |
253 | c6df7102 | Paolo Bonzini | } |
254 | c6df7102 | Paolo Bonzini | } |
255 | c6df7102 | Paolo Bonzini | s->packet = NULL;
|
256 | c6df7102 | Paolo Bonzini | usb_packet_complete(&s->dev, p); |
257 | c6df7102 | Paolo Bonzini | } else if (s->data_len == 0) { |
258 | c6df7102 | Paolo Bonzini | s->mode = USB_MSDM_CSW; |
259 | c6df7102 | Paolo Bonzini | } |
260 | c6df7102 | Paolo Bonzini | scsi_req_unref(req); |
261 | c6df7102 | Paolo Bonzini | s->req = NULL;
|
262 | c6df7102 | Paolo Bonzini | } |
263 | c6df7102 | Paolo Bonzini | |
264 | 94d3f98a | Paolo Bonzini | static void usb_msd_request_cancelled(SCSIRequest *req) |
265 | 94d3f98a | Paolo Bonzini | { |
266 | 94d3f98a | Paolo Bonzini | MSDState *s = DO_UPCAST(MSDState, dev.qdev, req->bus->qbus.parent); |
267 | 94d3f98a | Paolo Bonzini | |
268 | 94d3f98a | Paolo Bonzini | if (req == s->req) {
|
269 | 94d3f98a | Paolo Bonzini | scsi_req_unref(s->req); |
270 | 94d3f98a | Paolo Bonzini | s->req = NULL;
|
271 | 94d3f98a | Paolo Bonzini | s->packet = NULL;
|
272 | 94d3f98a | Paolo Bonzini | s->scsi_len = 0;
|
273 | 94d3f98a | Paolo Bonzini | } |
274 | 94d3f98a | Paolo Bonzini | } |
275 | 94d3f98a | Paolo Bonzini | |
276 | 059809e4 | bellard | static void usb_msd_handle_reset(USBDevice *dev) |
277 | 2e5d83bb | pbrook | { |
278 | 2e5d83bb | pbrook | MSDState *s = (MSDState *)dev; |
279 | 2e5d83bb | pbrook | |
280 | 2e5d83bb | pbrook | DPRINTF("Reset\n");
|
281 | 24a5bbe1 | Gerd Hoffmann | if (s->req) {
|
282 | 24a5bbe1 | Gerd Hoffmann | scsi_req_cancel(s->req); |
283 | 24a5bbe1 | Gerd Hoffmann | } |
284 | 24a5bbe1 | Gerd Hoffmann | assert(s->req == NULL);
|
285 | 24a5bbe1 | Gerd Hoffmann | |
286 | 24a5bbe1 | Gerd Hoffmann | if (s->packet) {
|
287 | 24a5bbe1 | Gerd Hoffmann | USBPacket *p = s->packet; |
288 | 24a5bbe1 | Gerd Hoffmann | s->packet = NULL;
|
289 | 24a5bbe1 | Gerd Hoffmann | p->result = USB_RET_STALL; |
290 | 24a5bbe1 | Gerd Hoffmann | usb_packet_complete(dev, p); |
291 | 24a5bbe1 | Gerd Hoffmann | } |
292 | 24a5bbe1 | Gerd Hoffmann | |
293 | 2e5d83bb | pbrook | s->mode = USB_MSDM_CBW; |
294 | 2e5d83bb | pbrook | } |
295 | 2e5d83bb | pbrook | |
296 | 007fd62f | Hans de Goede | static int usb_msd_handle_control(USBDevice *dev, USBPacket *p, |
297 | 007fd62f | Hans de Goede | int request, int value, int index, int length, uint8_t *data) |
298 | 2e5d83bb | pbrook | { |
299 | 2e5d83bb | pbrook | MSDState *s = (MSDState *)dev; |
300 | 81bfd2f2 | Gerd Hoffmann | int ret;
|
301 | 2e5d83bb | pbrook | |
302 | 007fd62f | Hans de Goede | ret = usb_desc_handle_control(dev, p, request, value, index, length, data); |
303 | 81bfd2f2 | Gerd Hoffmann | if (ret >= 0) { |
304 | 81bfd2f2 | Gerd Hoffmann | return ret;
|
305 | 81bfd2f2 | Gerd Hoffmann | } |
306 | 81bfd2f2 | Gerd Hoffmann | |
307 | 81bfd2f2 | Gerd Hoffmann | ret = 0;
|
308 | 2e5d83bb | pbrook | switch (request) {
|
309 | 2e5d83bb | pbrook | case EndpointOutRequest | USB_REQ_CLEAR_FEATURE:
|
310 | e5322f76 | Arnaud Patard (Rtp) | ret = 0;
|
311 | e5322f76 | Arnaud Patard (Rtp) | break;
|
312 | 2e5d83bb | pbrook | /* Class specific requests. */
|
313 | f3571b1a | Max Reitz | case ClassInterfaceOutRequest | MassStorageReset:
|
314 | 2e5d83bb | pbrook | /* Reset state ready for the next CBW. */
|
315 | 2e5d83bb | pbrook | s->mode = USB_MSDM_CBW; |
316 | 2e5d83bb | pbrook | ret = 0;
|
317 | 2e5d83bb | pbrook | break;
|
318 | f3571b1a | Max Reitz | case ClassInterfaceRequest | GetMaxLun:
|
319 | 2e5d83bb | pbrook | data[0] = 0; |
320 | 2e5d83bb | pbrook | ret = 1;
|
321 | 2e5d83bb | pbrook | break;
|
322 | 2e5d83bb | pbrook | default:
|
323 | 2e5d83bb | pbrook | ret = USB_RET_STALL; |
324 | 2e5d83bb | pbrook | break;
|
325 | 2e5d83bb | pbrook | } |
326 | 2e5d83bb | pbrook | return ret;
|
327 | 2e5d83bb | pbrook | } |
328 | 2e5d83bb | pbrook | |
329 | eb5e680a | Gerd Hoffmann | static void usb_msd_cancel_io(USBDevice *dev, USBPacket *p) |
330 | 4d611c9a | pbrook | { |
331 | eb5e680a | Gerd Hoffmann | MSDState *s = DO_UPCAST(MSDState, dev, dev); |
332 | d3ac1a87 | Gerd Hoffmann | |
333 | d3ac1a87 | Gerd Hoffmann | if (s->req) {
|
334 | d3ac1a87 | Gerd Hoffmann | scsi_req_cancel(s->req); |
335 | d3ac1a87 | Gerd Hoffmann | } |
336 | 4d611c9a | pbrook | } |
337 | 4d611c9a | pbrook | |
338 | 4d611c9a | pbrook | static int usb_msd_handle_data(USBDevice *dev, USBPacket *p) |
339 | 2e5d83bb | pbrook | { |
340 | 2e5d83bb | pbrook | MSDState *s = (MSDState *)dev; |
341 | 7b863f41 | Gerd Hoffmann | uint32_t tag; |
342 | 2e5d83bb | pbrook | int ret = 0; |
343 | 2e5d83bb | pbrook | struct usb_msd_cbw cbw;
|
344 | 079d0b7f | Gerd Hoffmann | uint8_t devep = p->ep->nr; |
345 | 2e5d83bb | pbrook | |
346 | 4d611c9a | pbrook | switch (p->pid) {
|
347 | 2e5d83bb | pbrook | case USB_TOKEN_OUT:
|
348 | 2e5d83bb | pbrook | if (devep != 2) |
349 | 2e5d83bb | pbrook | goto fail;
|
350 | 2e5d83bb | pbrook | |
351 | 2e5d83bb | pbrook | switch (s->mode) {
|
352 | 2e5d83bb | pbrook | case USB_MSDM_CBW:
|
353 | 29c74f76 | Gerd Hoffmann | if (p->iov.size != 31) { |
354 | 2e5d83bb | pbrook | fprintf(stderr, "usb-msd: Bad CBW size");
|
355 | 2e5d83bb | pbrook | goto fail;
|
356 | 2e5d83bb | pbrook | } |
357 | 29c74f76 | Gerd Hoffmann | usb_packet_copy(p, &cbw, 31);
|
358 | 2e5d83bb | pbrook | if (le32_to_cpu(cbw.sig) != 0x43425355) { |
359 | 2e5d83bb | pbrook | fprintf(stderr, "usb-msd: Bad signature %08x\n",
|
360 | 2e5d83bb | pbrook | le32_to_cpu(cbw.sig)); |
361 | 2e5d83bb | pbrook | goto fail;
|
362 | 2e5d83bb | pbrook | } |
363 | 2e5d83bb | pbrook | DPRINTF("Command on LUN %d\n", cbw.lun);
|
364 | 2e5d83bb | pbrook | if (cbw.lun != 0) { |
365 | 2e5d83bb | pbrook | fprintf(stderr, "usb-msd: Bad LUN %d\n", cbw.lun);
|
366 | 2e5d83bb | pbrook | goto fail;
|
367 | 2e5d83bb | pbrook | } |
368 | 7b863f41 | Gerd Hoffmann | tag = le32_to_cpu(cbw.tag); |
369 | 2e5d83bb | pbrook | s->data_len = le32_to_cpu(cbw.data_len); |
370 | 2e5d83bb | pbrook | if (s->data_len == 0) { |
371 | 2e5d83bb | pbrook | s->mode = USB_MSDM_CSW; |
372 | 2e5d83bb | pbrook | } else if (cbw.flags & 0x80) { |
373 | 2e5d83bb | pbrook | s->mode = USB_MSDM_DATAIN; |
374 | 2e5d83bb | pbrook | } else {
|
375 | 2e5d83bb | pbrook | s->mode = USB_MSDM_DATAOUT; |
376 | 2e5d83bb | pbrook | } |
377 | 2e5d83bb | pbrook | DPRINTF("Command tag 0x%x flags %08x len %d data %d\n",
|
378 | 7b863f41 | Gerd Hoffmann | tag, cbw.flags, cbw.cmd_len, s->data_len); |
379 | a917d384 | pbrook | s->residue = 0;
|
380 | ef0bdf77 | Gerd Hoffmann | s->scsi_len = 0;
|
381 | 7b863f41 | Gerd Hoffmann | s->req = scsi_req_new(s->scsi_dev, tag, 0, cbw.cmd, NULL); |
382 | c39ce112 | Paolo Bonzini | scsi_req_enqueue(s->req); |
383 | 59310659 | Gerd Hoffmann | if (s->req && s->req->cmd.xfer != SCSI_XFER_NONE) {
|
384 | ad3376cc | Paolo Bonzini | scsi_req_continue(s->req); |
385 | a917d384 | pbrook | } |
386 | 29c74f76 | Gerd Hoffmann | ret = p->result; |
387 | 2e5d83bb | pbrook | break;
|
388 | 2e5d83bb | pbrook | |
389 | 2e5d83bb | pbrook | case USB_MSDM_DATAOUT:
|
390 | 29c74f76 | Gerd Hoffmann | DPRINTF("Data out %zd/%d\n", p->iov.size, s->data_len);
|
391 | 29c74f76 | Gerd Hoffmann | if (p->iov.size > s->data_len) {
|
392 | 2e5d83bb | pbrook | goto fail;
|
393 | 29c74f76 | Gerd Hoffmann | } |
394 | 2e5d83bb | pbrook | |
395 | a917d384 | pbrook | if (s->scsi_len) {
|
396 | 29c74f76 | Gerd Hoffmann | usb_msd_copy_data(s, p); |
397 | a917d384 | pbrook | } |
398 | 29c74f76 | Gerd Hoffmann | if (s->residue) {
|
399 | 29c74f76 | Gerd Hoffmann | int len = p->iov.size - p->result;
|
400 | 29c74f76 | Gerd Hoffmann | if (len) {
|
401 | 29c74f76 | Gerd Hoffmann | usb_packet_skip(p, len); |
402 | 29c74f76 | Gerd Hoffmann | s->data_len -= len; |
403 | 29c74f76 | Gerd Hoffmann | if (s->data_len == 0) { |
404 | 29c74f76 | Gerd Hoffmann | s->mode = USB_MSDM_CSW; |
405 | 29c74f76 | Gerd Hoffmann | } |
406 | 29c74f76 | Gerd Hoffmann | } |
407 | a917d384 | pbrook | } |
408 | 29c74f76 | Gerd Hoffmann | if (p->result < p->iov.size) {
|
409 | 4d611c9a | pbrook | DPRINTF("Deferring packet %p\n", p);
|
410 | 4d611c9a | pbrook | s->packet = p; |
411 | 4d611c9a | pbrook | ret = USB_RET_ASYNC; |
412 | a917d384 | pbrook | } else {
|
413 | 29c74f76 | Gerd Hoffmann | ret = p->result; |
414 | 4d611c9a | pbrook | } |
415 | 2e5d83bb | pbrook | break;
|
416 | 2e5d83bb | pbrook | |
417 | 2e5d83bb | pbrook | default:
|
418 | 29c74f76 | Gerd Hoffmann | DPRINTF("Unexpected write (len %zd)\n", p->iov.size);
|
419 | 2e5d83bb | pbrook | goto fail;
|
420 | 2e5d83bb | pbrook | } |
421 | 2e5d83bb | pbrook | break;
|
422 | 2e5d83bb | pbrook | |
423 | 2e5d83bb | pbrook | case USB_TOKEN_IN:
|
424 | 2e5d83bb | pbrook | if (devep != 1) |
425 | 2e5d83bb | pbrook | goto fail;
|
426 | 2e5d83bb | pbrook | |
427 | 2e5d83bb | pbrook | switch (s->mode) {
|
428 | a917d384 | pbrook | case USB_MSDM_DATAOUT:
|
429 | 29c74f76 | Gerd Hoffmann | if (s->data_len != 0 || p->iov.size < 13) { |
430 | a917d384 | pbrook | goto fail;
|
431 | 29c74f76 | Gerd Hoffmann | } |
432 | a917d384 | pbrook | /* Waiting for SCSI write to complete. */
|
433 | a917d384 | pbrook | s->packet = p; |
434 | a917d384 | pbrook | ret = USB_RET_ASYNC; |
435 | a917d384 | pbrook | break;
|
436 | a917d384 | pbrook | |
437 | 2e5d83bb | pbrook | case USB_MSDM_CSW:
|
438 | 29c74f76 | Gerd Hoffmann | if (p->iov.size < 13) { |
439 | 2e5d83bb | pbrook | goto fail;
|
440 | 29c74f76 | Gerd Hoffmann | } |
441 | 2e5d83bb | pbrook | |
442 | 59310659 | Gerd Hoffmann | if (s->req) {
|
443 | 59310659 | Gerd Hoffmann | /* still in flight */
|
444 | 59310659 | Gerd Hoffmann | s->packet = p; |
445 | 59310659 | Gerd Hoffmann | ret = USB_RET_ASYNC; |
446 | 59310659 | Gerd Hoffmann | } else {
|
447 | 59310659 | Gerd Hoffmann | usb_msd_send_status(s, p); |
448 | 59310659 | Gerd Hoffmann | s->mode = USB_MSDM_CBW; |
449 | 59310659 | Gerd Hoffmann | ret = 13;
|
450 | 59310659 | Gerd Hoffmann | } |
451 | 2e5d83bb | pbrook | break;
|
452 | 2e5d83bb | pbrook | |
453 | 2e5d83bb | pbrook | case USB_MSDM_DATAIN:
|
454 | 29c74f76 | Gerd Hoffmann | DPRINTF("Data in %zd/%d, scsi_len %d\n",
|
455 | 29c74f76 | Gerd Hoffmann | p->iov.size, s->data_len, s->scsi_len); |
456 | a917d384 | pbrook | if (s->scsi_len) {
|
457 | 29c74f76 | Gerd Hoffmann | usb_msd_copy_data(s, p); |
458 | a917d384 | pbrook | } |
459 | 29c74f76 | Gerd Hoffmann | if (s->residue) {
|
460 | 29c74f76 | Gerd Hoffmann | int len = p->iov.size - p->result;
|
461 | 29c74f76 | Gerd Hoffmann | if (len) {
|
462 | 29c74f76 | Gerd Hoffmann | usb_packet_skip(p, len); |
463 | 29c74f76 | Gerd Hoffmann | s->data_len -= len; |
464 | 29c74f76 | Gerd Hoffmann | if (s->data_len == 0) { |
465 | 29c74f76 | Gerd Hoffmann | s->mode = USB_MSDM_CSW; |
466 | 29c74f76 | Gerd Hoffmann | } |
467 | 29c74f76 | Gerd Hoffmann | } |
468 | a917d384 | pbrook | } |
469 | 29c74f76 | Gerd Hoffmann | if (p->result < p->iov.size) {
|
470 | 4d611c9a | pbrook | DPRINTF("Deferring packet %p\n", p);
|
471 | 4d611c9a | pbrook | s->packet = p; |
472 | 4d611c9a | pbrook | ret = USB_RET_ASYNC; |
473 | a917d384 | pbrook | } else {
|
474 | 29c74f76 | Gerd Hoffmann | ret = p->result; |
475 | 4d611c9a | pbrook | } |
476 | 2e5d83bb | pbrook | break;
|
477 | 2e5d83bb | pbrook | |
478 | 2e5d83bb | pbrook | default:
|
479 | 29c74f76 | Gerd Hoffmann | DPRINTF("Unexpected read (len %zd)\n", p->iov.size);
|
480 | 2e5d83bb | pbrook | goto fail;
|
481 | 2e5d83bb | pbrook | } |
482 | 2e5d83bb | pbrook | break;
|
483 | 2e5d83bb | pbrook | |
484 | 2e5d83bb | pbrook | default:
|
485 | 2e5d83bb | pbrook | DPRINTF("Bad token\n");
|
486 | 2e5d83bb | pbrook | fail:
|
487 | 2e5d83bb | pbrook | ret = USB_RET_STALL; |
488 | 2e5d83bb | pbrook | break;
|
489 | 2e5d83bb | pbrook | } |
490 | 2e5d83bb | pbrook | |
491 | 2e5d83bb | pbrook | return ret;
|
492 | 2e5d83bb | pbrook | } |
493 | 2e5d83bb | pbrook | |
494 | b3e461d3 | Gerd Hoffmann | static void usb_msd_password_cb(void *opaque, int err) |
495 | b3e461d3 | Gerd Hoffmann | { |
496 | b3e461d3 | Gerd Hoffmann | MSDState *s = opaque; |
497 | b3e461d3 | Gerd Hoffmann | |
498 | b3e461d3 | Gerd Hoffmann | if (!err)
|
499 | fa19bf83 | Hans de Goede | err = usb_device_attach(&s->dev); |
500 | fa19bf83 | Hans de Goede | |
501 | fa19bf83 | Hans de Goede | if (err)
|
502 | b3e461d3 | Gerd Hoffmann | qdev_unplug(&s->dev.qdev); |
503 | b3e461d3 | Gerd Hoffmann | } |
504 | b3e461d3 | Gerd Hoffmann | |
505 | afd4030c | Paolo Bonzini | static const struct SCSIBusInfo usb_msd_scsi_info = { |
506 | afd4030c | Paolo Bonzini | .tcq = false,
|
507 | 7e0380b9 | Paolo Bonzini | .max_target = 0,
|
508 | 7e0380b9 | Paolo Bonzini | .max_lun = 0,
|
509 | afd4030c | Paolo Bonzini | |
510 | c6df7102 | Paolo Bonzini | .transfer_data = usb_msd_transfer_data, |
511 | 94d3f98a | Paolo Bonzini | .complete = usb_msd_command_complete, |
512 | 94d3f98a | Paolo Bonzini | .cancel = usb_msd_request_cancelled |
513 | cfdc1bb0 | Paolo Bonzini | }; |
514 | cfdc1bb0 | Paolo Bonzini | |
515 | 806b6024 | Gerd Hoffmann | static int usb_msd_initfn(USBDevice *dev) |
516 | 806b6024 | Gerd Hoffmann | { |
517 | 806b6024 | Gerd Hoffmann | MSDState *s = DO_UPCAST(MSDState, dev, dev); |
518 | f8b6cc00 | Markus Armbruster | BlockDriverState *bs = s->conf.bs; |
519 | 4a1e1bc4 | Gerd Hoffmann | DriveInfo *dinfo; |
520 | 806b6024 | Gerd Hoffmann | |
521 | f8b6cc00 | Markus Armbruster | if (!bs) {
|
522 | 6a84cb1f | Markus Armbruster | error_report("drive property not set");
|
523 | 7fc2f2c0 | Gerd Hoffmann | return -1; |
524 | 7fc2f2c0 | Gerd Hoffmann | } |
525 | 7fc2f2c0 | Gerd Hoffmann | |
526 | 14bafc54 | Markus Armbruster | /*
|
527 | 14bafc54 | Markus Armbruster | * Hack alert: this pretends to be a block device, but it's really
|
528 | 14bafc54 | Markus Armbruster | * a SCSI bus that can serve only a single device, which it
|
529 | 18846dee | Markus Armbruster | * creates automatically. But first it needs to detach from its
|
530 | 18846dee | Markus Armbruster | * blockdev, or else scsi_bus_legacy_add_drive() dies when it
|
531 | 18846dee | Markus Armbruster | * attaches again.
|
532 | 14bafc54 | Markus Armbruster | *
|
533 | 14bafc54 | Markus Armbruster | * The hack is probably a bad idea.
|
534 | 14bafc54 | Markus Armbruster | */
|
535 | fa879d62 | Markus Armbruster | bdrv_detach_dev(bs, &s->dev.qdev); |
536 | f8b6cc00 | Markus Armbruster | s->conf.bs = NULL;
|
537 | 14bafc54 | Markus Armbruster | |
538 | c3a90cb1 | Markus Armbruster | if (!s->serial) {
|
539 | c3a90cb1 | Markus Armbruster | /* try to fall back to value set with legacy -drive serial=... */
|
540 | c3a90cb1 | Markus Armbruster | dinfo = drive_get_by_blockdev(bs); |
541 | c3a90cb1 | Markus Armbruster | if (*dinfo->serial) {
|
542 | c3a90cb1 | Markus Armbruster | s->serial = strdup(dinfo->serial); |
543 | c3a90cb1 | Markus Armbruster | } |
544 | c3a90cb1 | Markus Armbruster | } |
545 | c3a90cb1 | Markus Armbruster | if (s->serial) {
|
546 | c3a90cb1 | Markus Armbruster | usb_desc_set_string(dev, STR_SERIALNUMBER, s->serial); |
547 | 4a1e1bc4 | Gerd Hoffmann | } |
548 | 4a1e1bc4 | Gerd Hoffmann | |
549 | a980a065 | Gerd Hoffmann | usb_desc_init(dev); |
550 | afd4030c | Paolo Bonzini | scsi_bus_new(&s->bus, &s->dev.qdev, &usb_msd_scsi_info); |
551 | ce4e7e46 | Paolo Bonzini | s->scsi_dev = scsi_bus_legacy_add_drive(&s->bus, bs, 0, !!s->removable,
|
552 | ce4e7e46 | Paolo Bonzini | s->conf.bootindex); |
553 | fa66b909 | Markus Armbruster | if (!s->scsi_dev) {
|
554 | fa66b909 | Markus Armbruster | return -1; |
555 | fa66b909 | Markus Armbruster | } |
556 | cb23117b | Gerd Hoffmann | s->bus.qbus.allow_hotplug = 0;
|
557 | 7fc2f2c0 | Gerd Hoffmann | usb_msd_handle_reset(dev); |
558 | b3e461d3 | Gerd Hoffmann | |
559 | f8b6cc00 | Markus Armbruster | if (bdrv_key_required(bs)) {
|
560 | a4426488 | Markus Armbruster | if (cur_mon) {
|
561 | f8b6cc00 | Markus Armbruster | monitor_read_bdrv_key_start(cur_mon, bs, usb_msd_password_cb, s); |
562 | b3e461d3 | Gerd Hoffmann | s->dev.auto_attach = 0;
|
563 | b3e461d3 | Gerd Hoffmann | } else {
|
564 | b3e461d3 | Gerd Hoffmann | autostart = 0;
|
565 | b3e461d3 | Gerd Hoffmann | } |
566 | b3e461d3 | Gerd Hoffmann | } |
567 | b3e461d3 | Gerd Hoffmann | |
568 | 806b6024 | Gerd Hoffmann | return 0; |
569 | 806b6024 | Gerd Hoffmann | } |
570 | 806b6024 | Gerd Hoffmann | |
571 | b3e461d3 | Gerd Hoffmann | static USBDevice *usb_msd_init(const char *filename) |
572 | 2e5d83bb | pbrook | { |
573 | 7fc2f2c0 | Gerd Hoffmann | static int nr=0; |
574 | 7fc2f2c0 | Gerd Hoffmann | char id[8]; |
575 | 7fc2f2c0 | Gerd Hoffmann | QemuOpts *opts; |
576 | 7fc2f2c0 | Gerd Hoffmann | DriveInfo *dinfo; |
577 | 806b6024 | Gerd Hoffmann | USBDevice *dev; |
578 | 334c0241 | aurel32 | const char *p1; |
579 | 334c0241 | aurel32 | char fmt[32]; |
580 | 334c0241 | aurel32 | |
581 | 7fc2f2c0 | Gerd Hoffmann | /* parse -usbdevice disk: syntax into drive opts */
|
582 | 7fc2f2c0 | Gerd Hoffmann | snprintf(id, sizeof(id), "usb%d", nr++); |
583 | 3329f07b | Gerd Hoffmann | opts = qemu_opts_create(qemu_find_opts("drive"), id, 0); |
584 | 7fc2f2c0 | Gerd Hoffmann | |
585 | 334c0241 | aurel32 | p1 = strchr(filename, ':');
|
586 | 334c0241 | aurel32 | if (p1++) {
|
587 | 334c0241 | aurel32 | const char *p2; |
588 | 334c0241 | aurel32 | |
589 | 334c0241 | aurel32 | if (strstart(filename, "format=", &p2)) { |
590 | 334c0241 | aurel32 | int len = MIN(p1 - p2, sizeof(fmt)); |
591 | 334c0241 | aurel32 | pstrcpy(fmt, len, p2); |
592 | 7fc2f2c0 | Gerd Hoffmann | qemu_opt_set(opts, "format", fmt);
|
593 | 334c0241 | aurel32 | } else if (*filename != ':') { |
594 | 334c0241 | aurel32 | printf("unrecognized USB mass-storage option %s\n", filename);
|
595 | 334c0241 | aurel32 | return NULL; |
596 | 334c0241 | aurel32 | } |
597 | 334c0241 | aurel32 | filename = p1; |
598 | 334c0241 | aurel32 | } |
599 | 334c0241 | aurel32 | if (!*filename) {
|
600 | 334c0241 | aurel32 | printf("block device specification needed\n");
|
601 | 334c0241 | aurel32 | return NULL; |
602 | 334c0241 | aurel32 | } |
603 | 7fc2f2c0 | Gerd Hoffmann | qemu_opt_set(opts, "file", filename);
|
604 | 7fc2f2c0 | Gerd Hoffmann | qemu_opt_set(opts, "if", "none"); |
605 | 2e5d83bb | pbrook | |
606 | 7fc2f2c0 | Gerd Hoffmann | /* create host drive */
|
607 | 319ae529 | Markus Armbruster | dinfo = drive_init(opts, 0);
|
608 | 7fc2f2c0 | Gerd Hoffmann | if (!dinfo) {
|
609 | 7fc2f2c0 | Gerd Hoffmann | qemu_opts_del(opts); |
610 | 806b6024 | Gerd Hoffmann | return NULL; |
611 | 7fc2f2c0 | Gerd Hoffmann | } |
612 | 2e5d83bb | pbrook | |
613 | 7fc2f2c0 | Gerd Hoffmann | /* create guest device */
|
614 | 556cd098 | Markus Armbruster | dev = usb_create(NULL /* FIXME */, "usb-storage"); |
615 | d44168ff | Paul Brook | if (!dev) {
|
616 | d44168ff | Paul Brook | return NULL; |
617 | d44168ff | Paul Brook | } |
618 | 18846dee | Markus Armbruster | if (qdev_prop_set_drive(&dev->qdev, "drive", dinfo->bdrv) < 0) { |
619 | 18846dee | Markus Armbruster | qdev_free(&dev->qdev); |
620 | 18846dee | Markus Armbruster | return NULL; |
621 | 18846dee | Markus Armbruster | } |
622 | 33e66b86 | Markus Armbruster | if (qdev_init(&dev->qdev) < 0) |
623 | 33e66b86 | Markus Armbruster | return NULL; |
624 | 1f6e24e7 | bellard | |
625 | 7fc2f2c0 | Gerd Hoffmann | return dev;
|
626 | 2e5d83bb | pbrook | } |
627 | bb5fc20f | aliguori | |
628 | f54b6563 | Gerd Hoffmann | static const VMStateDescription vmstate_usb_msd = { |
629 | f54b6563 | Gerd Hoffmann | .name = "usb-storage",
|
630 | f54b6563 | Gerd Hoffmann | .unmigratable = 1, /* FIXME: handle transactions which are in flight */ |
631 | f54b6563 | Gerd Hoffmann | .version_id = 1,
|
632 | f54b6563 | Gerd Hoffmann | .minimum_version_id = 1,
|
633 | f54b6563 | Gerd Hoffmann | .fields = (VMStateField []) { |
634 | f54b6563 | Gerd Hoffmann | VMSTATE_USB_DEVICE(dev, MSDState), |
635 | f54b6563 | Gerd Hoffmann | VMSTATE_END_OF_LIST() |
636 | f54b6563 | Gerd Hoffmann | } |
637 | f54b6563 | Gerd Hoffmann | }; |
638 | f54b6563 | Gerd Hoffmann | |
639 | 39bffca2 | Anthony Liguori | static Property msd_properties[] = {
|
640 | 39bffca2 | Anthony Liguori | DEFINE_BLOCK_PROPERTIES(MSDState, conf), |
641 | 39bffca2 | Anthony Liguori | DEFINE_PROP_STRING("serial", MSDState, serial),
|
642 | 39bffca2 | Anthony Liguori | DEFINE_PROP_BIT("removable", MSDState, removable, 0, false), |
643 | 39bffca2 | Anthony Liguori | DEFINE_PROP_END_OF_LIST(), |
644 | 39bffca2 | Anthony Liguori | }; |
645 | 39bffca2 | Anthony Liguori | |
646 | 62aed765 | Anthony Liguori | static void usb_msd_class_initfn(ObjectClass *klass, void *data) |
647 | 62aed765 | Anthony Liguori | { |
648 | 39bffca2 | Anthony Liguori | DeviceClass *dc = DEVICE_CLASS(klass); |
649 | 62aed765 | Anthony Liguori | USBDeviceClass *uc = USB_DEVICE_CLASS(klass); |
650 | 62aed765 | Anthony Liguori | |
651 | 62aed765 | Anthony Liguori | uc->init = usb_msd_initfn; |
652 | 62aed765 | Anthony Liguori | uc->product_desc = "QEMU USB MSD";
|
653 | 62aed765 | Anthony Liguori | uc->usb_desc = &desc; |
654 | 62aed765 | Anthony Liguori | uc->cancel_packet = usb_msd_cancel_io; |
655 | 62aed765 | Anthony Liguori | uc->handle_attach = usb_desc_attach; |
656 | 62aed765 | Anthony Liguori | uc->handle_reset = usb_msd_handle_reset; |
657 | 62aed765 | Anthony Liguori | uc->handle_control = usb_msd_handle_control; |
658 | 62aed765 | Anthony Liguori | uc->handle_data = usb_msd_handle_data; |
659 | 39bffca2 | Anthony Liguori | dc->fw_name = "storage";
|
660 | 39bffca2 | Anthony Liguori | dc->vmsd = &vmstate_usb_msd; |
661 | 39bffca2 | Anthony Liguori | dc->props = msd_properties; |
662 | 62aed765 | Anthony Liguori | } |
663 | 62aed765 | Anthony Liguori | |
664 | 39bffca2 | Anthony Liguori | static TypeInfo msd_info = {
|
665 | 39bffca2 | Anthony Liguori | .name = "usb-storage",
|
666 | 39bffca2 | Anthony Liguori | .parent = TYPE_USB_DEVICE, |
667 | 39bffca2 | Anthony Liguori | .instance_size = sizeof(MSDState),
|
668 | 39bffca2 | Anthony Liguori | .class_init = usb_msd_class_initfn, |
669 | 806b6024 | Gerd Hoffmann | }; |
670 | 806b6024 | Gerd Hoffmann | |
671 | 806b6024 | Gerd Hoffmann | static void usb_msd_register_devices(void) |
672 | 806b6024 | Gerd Hoffmann | { |
673 | 39bffca2 | Anthony Liguori | type_register_static(&msd_info); |
674 | ba02430f | Anthony Liguori | usb_legacy_register("usb-storage", "disk", usb_msd_init); |
675 | 806b6024 | Gerd Hoffmann | } |
676 | 806b6024 | Gerd Hoffmann | device_init(usb_msd_register_devices) |