root / hw / scsi-bus.c @ 2558e0a6
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1 | d52affa7 | Gerd Hoffmann | #include "hw.h" |
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2 | 2f792016 | Markus Armbruster | #include "qemu-error.h" |
3 | 43b443b6 | Gerd Hoffmann | #include "scsi.h" |
4 | 2ec749cb | Gerd Hoffmann | #include "scsi-defs.h" |
5 | d52affa7 | Gerd Hoffmann | #include "qdev.h" |
6 | 2446333c | Blue Swirl | #include "blockdev.h" |
7 | 5138efec | Paolo Bonzini | #include "trace.h" |
8 | d52affa7 | Gerd Hoffmann | |
9 | db07c0f8 | Gleb Natapov | static char *scsibus_get_fw_dev_path(DeviceState *dev); |
10 | afa46c46 | Paolo Bonzini | static int scsi_req_parse(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf); |
11 | 71544d30 | Paolo Bonzini | static void scsi_req_dequeue(SCSIRequest *req); |
12 | db07c0f8 | Gleb Natapov | |
13 | d52affa7 | Gerd Hoffmann | static struct BusInfo scsi_bus_info = { |
14 | d52affa7 | Gerd Hoffmann | .name = "SCSI",
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15 | d52affa7 | Gerd Hoffmann | .size = sizeof(SCSIBus),
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16 | db07c0f8 | Gleb Natapov | .get_fw_dev_path = scsibus_get_fw_dev_path, |
17 | d52affa7 | Gerd Hoffmann | .props = (Property[]) { |
18 | 0d3545e7 | Paolo Bonzini | DEFINE_PROP_UINT32("channel", SCSIDevice, channel, 0), |
19 | d52affa7 | Gerd Hoffmann | DEFINE_PROP_UINT32("scsi-id", SCSIDevice, id, -1), |
20 | 7e0380b9 | Paolo Bonzini | DEFINE_PROP_UINT32("lun", SCSIDevice, lun, -1), |
21 | d52affa7 | Gerd Hoffmann | DEFINE_PROP_END_OF_LIST(), |
22 | d52affa7 | Gerd Hoffmann | }, |
23 | d52affa7 | Gerd Hoffmann | }; |
24 | d52affa7 | Gerd Hoffmann | static int next_scsi_bus; |
25 | d52affa7 | Gerd Hoffmann | |
26 | b9eea3e6 | Anthony Liguori | static int scsi_device_init(SCSIDevice *s) |
27 | b9eea3e6 | Anthony Liguori | { |
28 | b9eea3e6 | Anthony Liguori | SCSIDeviceClass *sc = SCSI_DEVICE_GET_CLASS(s); |
29 | b9eea3e6 | Anthony Liguori | if (sc->init) {
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30 | b9eea3e6 | Anthony Liguori | return sc->init(s);
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31 | b9eea3e6 | Anthony Liguori | } |
32 | b9eea3e6 | Anthony Liguori | return 0; |
33 | b9eea3e6 | Anthony Liguori | } |
34 | b9eea3e6 | Anthony Liguori | |
35 | b9eea3e6 | Anthony Liguori | static void scsi_device_destroy(SCSIDevice *s) |
36 | b9eea3e6 | Anthony Liguori | { |
37 | b9eea3e6 | Anthony Liguori | SCSIDeviceClass *sc = SCSI_DEVICE_GET_CLASS(s); |
38 | b9eea3e6 | Anthony Liguori | if (sc->destroy) {
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39 | b9eea3e6 | Anthony Liguori | sc->destroy(s); |
40 | b9eea3e6 | Anthony Liguori | } |
41 | b9eea3e6 | Anthony Liguori | } |
42 | b9eea3e6 | Anthony Liguori | |
43 | b9eea3e6 | Anthony Liguori | static SCSIRequest *scsi_device_alloc_req(SCSIDevice *s, uint32_t tag, uint32_t lun,
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44 | b9eea3e6 | Anthony Liguori | uint8_t *buf, void *hba_private)
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45 | b9eea3e6 | Anthony Liguori | { |
46 | b9eea3e6 | Anthony Liguori | SCSIDeviceClass *sc = SCSI_DEVICE_GET_CLASS(s); |
47 | b9eea3e6 | Anthony Liguori | if (sc->alloc_req) {
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48 | b9eea3e6 | Anthony Liguori | return sc->alloc_req(s, tag, lun, buf, hba_private);
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49 | b9eea3e6 | Anthony Liguori | } |
50 | b9eea3e6 | Anthony Liguori | |
51 | b9eea3e6 | Anthony Liguori | return NULL; |
52 | b9eea3e6 | Anthony Liguori | } |
53 | b9eea3e6 | Anthony Liguori | |
54 | b9eea3e6 | Anthony Liguori | static void scsi_device_unit_attention_reported(SCSIDevice *s) |
55 | b9eea3e6 | Anthony Liguori | { |
56 | b9eea3e6 | Anthony Liguori | SCSIDeviceClass *sc = SCSI_DEVICE_GET_CLASS(s); |
57 | b9eea3e6 | Anthony Liguori | if (sc->unit_attention_reported) {
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58 | b9eea3e6 | Anthony Liguori | sc->unit_attention_reported(s); |
59 | b9eea3e6 | Anthony Liguori | } |
60 | b9eea3e6 | Anthony Liguori | } |
61 | b9eea3e6 | Anthony Liguori | |
62 | d52affa7 | Gerd Hoffmann | /* Create a scsi bus, and attach devices to it. */
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63 | afd4030c | Paolo Bonzini | void scsi_bus_new(SCSIBus *bus, DeviceState *host, const SCSIBusInfo *info) |
64 | d52affa7 | Gerd Hoffmann | { |
65 | ca9c39fa | Gerd Hoffmann | qbus_create_inplace(&bus->qbus, &scsi_bus_info, host, NULL);
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66 | d52affa7 | Gerd Hoffmann | bus->busnr = next_scsi_bus++; |
67 | afd4030c | Paolo Bonzini | bus->info = info; |
68 | cb23117b | Gerd Hoffmann | bus->qbus.allow_hotplug = 1;
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69 | d52affa7 | Gerd Hoffmann | } |
70 | d52affa7 | Gerd Hoffmann | |
71 | 71544d30 | Paolo Bonzini | static void scsi_dma_restart_bh(void *opaque) |
72 | 71544d30 | Paolo Bonzini | { |
73 | 71544d30 | Paolo Bonzini | SCSIDevice *s = opaque; |
74 | 71544d30 | Paolo Bonzini | SCSIRequest *req, *next; |
75 | 71544d30 | Paolo Bonzini | |
76 | 71544d30 | Paolo Bonzini | qemu_bh_delete(s->bh); |
77 | 71544d30 | Paolo Bonzini | s->bh = NULL;
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78 | 71544d30 | Paolo Bonzini | |
79 | 71544d30 | Paolo Bonzini | QTAILQ_FOREACH_SAFE(req, &s->requests, next, next) { |
80 | 71544d30 | Paolo Bonzini | scsi_req_ref(req); |
81 | 71544d30 | Paolo Bonzini | if (req->retry) {
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82 | 71544d30 | Paolo Bonzini | req->retry = false;
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83 | 71544d30 | Paolo Bonzini | switch (req->cmd.mode) {
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84 | 71544d30 | Paolo Bonzini | case SCSI_XFER_FROM_DEV:
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85 | 71544d30 | Paolo Bonzini | case SCSI_XFER_TO_DEV:
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86 | 71544d30 | Paolo Bonzini | scsi_req_continue(req); |
87 | 71544d30 | Paolo Bonzini | break;
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88 | 71544d30 | Paolo Bonzini | case SCSI_XFER_NONE:
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89 | 71544d30 | Paolo Bonzini | scsi_req_dequeue(req); |
90 | 71544d30 | Paolo Bonzini | scsi_req_enqueue(req); |
91 | 71544d30 | Paolo Bonzini | break;
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92 | 71544d30 | Paolo Bonzini | } |
93 | 71544d30 | Paolo Bonzini | } |
94 | 71544d30 | Paolo Bonzini | scsi_req_unref(req); |
95 | 71544d30 | Paolo Bonzini | } |
96 | 71544d30 | Paolo Bonzini | } |
97 | 71544d30 | Paolo Bonzini | |
98 | 71544d30 | Paolo Bonzini | void scsi_req_retry(SCSIRequest *req)
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99 | 71544d30 | Paolo Bonzini | { |
100 | 71544d30 | Paolo Bonzini | /* No need to save a reference, because scsi_dma_restart_bh just
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101 | 71544d30 | Paolo Bonzini | * looks at the request list. */
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102 | 71544d30 | Paolo Bonzini | req->retry = true;
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103 | 71544d30 | Paolo Bonzini | } |
104 | 71544d30 | Paolo Bonzini | |
105 | 71544d30 | Paolo Bonzini | static void scsi_dma_restart_cb(void *opaque, int running, RunState state) |
106 | 71544d30 | Paolo Bonzini | { |
107 | 71544d30 | Paolo Bonzini | SCSIDevice *s = opaque; |
108 | 71544d30 | Paolo Bonzini | |
109 | 71544d30 | Paolo Bonzini | if (!running) {
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110 | 71544d30 | Paolo Bonzini | return;
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111 | 71544d30 | Paolo Bonzini | } |
112 | 71544d30 | Paolo Bonzini | if (!s->bh) {
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113 | 71544d30 | Paolo Bonzini | s->bh = qemu_bh_new(scsi_dma_restart_bh, s); |
114 | 71544d30 | Paolo Bonzini | qemu_bh_schedule(s->bh); |
115 | 71544d30 | Paolo Bonzini | } |
116 | 71544d30 | Paolo Bonzini | } |
117 | 71544d30 | Paolo Bonzini | |
118 | d307af79 | Anthony Liguori | static int scsi_qdev_init(DeviceState *qdev) |
119 | d52affa7 | Gerd Hoffmann | { |
120 | b9eea3e6 | Anthony Liguori | SCSIDevice *dev = SCSI_DEVICE(qdev); |
121 | d52affa7 | Gerd Hoffmann | SCSIBus *bus = DO_UPCAST(SCSIBus, qbus, dev->qdev.parent_bus); |
122 | 7e0380b9 | Paolo Bonzini | SCSIDevice *d; |
123 | 01985dcf | Gerd Hoffmann | int rc = -1; |
124 | d52affa7 | Gerd Hoffmann | |
125 | 0d3545e7 | Paolo Bonzini | if (dev->channel > bus->info->max_channel) {
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126 | 0d3545e7 | Paolo Bonzini | error_report("bad scsi channel id: %d", dev->channel);
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127 | 0d3545e7 | Paolo Bonzini | goto err;
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128 | 0d3545e7 | Paolo Bonzini | } |
129 | 7e0380b9 | Paolo Bonzini | if (dev->id != -1 && dev->id > bus->info->max_target) { |
130 | 1ecda02b | Markus Armbruster | error_report("bad scsi device id: %d", dev->id);
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131 | d52affa7 | Gerd Hoffmann | goto err;
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132 | d52affa7 | Gerd Hoffmann | } |
133 | d52affa7 | Gerd Hoffmann | |
134 | 7e0380b9 | Paolo Bonzini | if (dev->id == -1) { |
135 | 7e0380b9 | Paolo Bonzini | int id = -1; |
136 | 7e0380b9 | Paolo Bonzini | if (dev->lun == -1) { |
137 | 7e0380b9 | Paolo Bonzini | dev->lun = 0;
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138 | 7e0380b9 | Paolo Bonzini | } |
139 | 7e0380b9 | Paolo Bonzini | do {
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140 | 0d3545e7 | Paolo Bonzini | d = scsi_device_find(bus, dev->channel, ++id, dev->lun); |
141 | 7e0380b9 | Paolo Bonzini | } while (d && d->lun == dev->lun && id <= bus->info->max_target);
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142 | 7e0380b9 | Paolo Bonzini | if (id > bus->info->max_target) {
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143 | 7e0380b9 | Paolo Bonzini | error_report("no free target");
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144 | 7e0380b9 | Paolo Bonzini | goto err;
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145 | 7e0380b9 | Paolo Bonzini | } |
146 | 7e0380b9 | Paolo Bonzini | dev->id = id; |
147 | 7e0380b9 | Paolo Bonzini | } else if (dev->lun == -1) { |
148 | 7e0380b9 | Paolo Bonzini | int lun = -1; |
149 | 7e0380b9 | Paolo Bonzini | do {
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150 | 0d3545e7 | Paolo Bonzini | d = scsi_device_find(bus, dev->channel, dev->id, ++lun); |
151 | 7e0380b9 | Paolo Bonzini | } while (d && d->lun == lun && lun < bus->info->max_lun);
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152 | 7e0380b9 | Paolo Bonzini | if (lun > bus->info->max_lun) {
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153 | 7e0380b9 | Paolo Bonzini | error_report("no free lun");
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154 | 7e0380b9 | Paolo Bonzini | goto err;
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155 | 7e0380b9 | Paolo Bonzini | } |
156 | 7e0380b9 | Paolo Bonzini | dev->lun = lun; |
157 | 7e0380b9 | Paolo Bonzini | } else {
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158 | 0d3545e7 | Paolo Bonzini | d = scsi_device_find(bus, dev->channel, dev->id, dev->lun); |
159 | 7e0380b9 | Paolo Bonzini | if (dev->lun == d->lun && dev != d) {
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160 | 7e0380b9 | Paolo Bonzini | qdev_free(&d->qdev); |
161 | 7e0380b9 | Paolo Bonzini | } |
162 | d52affa7 | Gerd Hoffmann | } |
163 | d52affa7 | Gerd Hoffmann | |
164 | 9af99d98 | Gerd Hoffmann | QTAILQ_INIT(&dev->requests); |
165 | b9eea3e6 | Anthony Liguori | rc = scsi_device_init(dev); |
166 | 71544d30 | Paolo Bonzini | if (rc == 0) { |
167 | 71544d30 | Paolo Bonzini | dev->vmsentry = qemu_add_vm_change_state_handler(scsi_dma_restart_cb, |
168 | 71544d30 | Paolo Bonzini | dev); |
169 | 71544d30 | Paolo Bonzini | } |
170 | d52affa7 | Gerd Hoffmann | |
171 | d52affa7 | Gerd Hoffmann | err:
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172 | 01985dcf | Gerd Hoffmann | return rc;
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173 | 01985dcf | Gerd Hoffmann | } |
174 | 01985dcf | Gerd Hoffmann | |
175 | 01985dcf | Gerd Hoffmann | static int scsi_qdev_exit(DeviceState *qdev) |
176 | 01985dcf | Gerd Hoffmann | { |
177 | b9eea3e6 | Anthony Liguori | SCSIDevice *dev = SCSI_DEVICE(qdev); |
178 | 01985dcf | Gerd Hoffmann | |
179 | 71544d30 | Paolo Bonzini | if (dev->vmsentry) {
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180 | 71544d30 | Paolo Bonzini | qemu_del_vm_change_state_handler(dev->vmsentry); |
181 | 71544d30 | Paolo Bonzini | } |
182 | b9eea3e6 | Anthony Liguori | scsi_device_destroy(dev); |
183 | 01985dcf | Gerd Hoffmann | return 0; |
184 | d52affa7 | Gerd Hoffmann | } |
185 | d52affa7 | Gerd Hoffmann | |
186 | d52affa7 | Gerd Hoffmann | /* handle legacy '-drive if=scsi,...' cmd line args */
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187 | 2d1fd261 | Stefan Hajnoczi | SCSIDevice *scsi_bus_legacy_add_drive(SCSIBus *bus, BlockDriverState *bdrv, |
188 | ce4e7e46 | Paolo Bonzini | int unit, bool removable, int bootindex) |
189 | d52affa7 | Gerd Hoffmann | { |
190 | d52affa7 | Gerd Hoffmann | const char *driver; |
191 | d52affa7 | Gerd Hoffmann | DeviceState *dev; |
192 | d52affa7 | Gerd Hoffmann | |
193 | f8b6cc00 | Markus Armbruster | driver = bdrv_is_sg(bdrv) ? "scsi-generic" : "scsi-disk"; |
194 | d52affa7 | Gerd Hoffmann | dev = qdev_create(&bus->qbus, driver); |
195 | d52affa7 | Gerd Hoffmann | qdev_prop_set_uint32(dev, "scsi-id", unit);
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196 | ce4e7e46 | Paolo Bonzini | if (bootindex >= 0) { |
197 | ce4e7e46 | Paolo Bonzini | qdev_prop_set_int32(dev, "bootindex", bootindex);
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198 | ce4e7e46 | Paolo Bonzini | } |
199 | 2d1fd261 | Stefan Hajnoczi | if (qdev_prop_exists(dev, "removable")) { |
200 | 2d1fd261 | Stefan Hajnoczi | qdev_prop_set_bit(dev, "removable", removable);
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201 | 2d1fd261 | Stefan Hajnoczi | } |
202 | 18846dee | Markus Armbruster | if (qdev_prop_set_drive(dev, "drive", bdrv) < 0) { |
203 | 18846dee | Markus Armbruster | qdev_free(dev); |
204 | 18846dee | Markus Armbruster | return NULL; |
205 | 18846dee | Markus Armbruster | } |
206 | 33e66b86 | Markus Armbruster | if (qdev_init(dev) < 0) |
207 | 33e66b86 | Markus Armbruster | return NULL; |
208 | b9eea3e6 | Anthony Liguori | return SCSI_DEVICE(dev);
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209 | d52affa7 | Gerd Hoffmann | } |
210 | d52affa7 | Gerd Hoffmann | |
211 | fa66b909 | Markus Armbruster | int scsi_bus_legacy_handle_cmdline(SCSIBus *bus)
|
212 | d52affa7 | Gerd Hoffmann | { |
213 | 42e766a2 | Markus Armbruster | Location loc; |
214 | d52affa7 | Gerd Hoffmann | DriveInfo *dinfo; |
215 | fa66b909 | Markus Armbruster | int res = 0, unit; |
216 | d52affa7 | Gerd Hoffmann | |
217 | 42e766a2 | Markus Armbruster | loc_push_none(&loc); |
218 | 7e0380b9 | Paolo Bonzini | for (unit = 0; unit < bus->info->max_target; unit++) { |
219 | d52affa7 | Gerd Hoffmann | dinfo = drive_get(IF_SCSI, bus->busnr, unit); |
220 | d52affa7 | Gerd Hoffmann | if (dinfo == NULL) { |
221 | d52affa7 | Gerd Hoffmann | continue;
|
222 | d52affa7 | Gerd Hoffmann | } |
223 | 42e766a2 | Markus Armbruster | qemu_opts_loc_restore(dinfo->opts); |
224 | ce4e7e46 | Paolo Bonzini | if (!scsi_bus_legacy_add_drive(bus, dinfo->bdrv, unit, false, -1)) { |
225 | fa66b909 | Markus Armbruster | res = -1;
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226 | fa66b909 | Markus Armbruster | break;
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227 | fa66b909 | Markus Armbruster | } |
228 | d52affa7 | Gerd Hoffmann | } |
229 | 42e766a2 | Markus Armbruster | loc_pop(&loc); |
230 | fa66b909 | Markus Armbruster | return res;
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231 | d52affa7 | Gerd Hoffmann | } |
232 | 89b08ae1 | Gerd Hoffmann | |
233 | afa46c46 | Paolo Bonzini | /* SCSIReqOps implementation for invalid commands. */
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234 | afa46c46 | Paolo Bonzini | |
235 | afa46c46 | Paolo Bonzini | static int32_t scsi_invalid_command(SCSIRequest *req, uint8_t *buf)
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236 | afa46c46 | Paolo Bonzini | { |
237 | afa46c46 | Paolo Bonzini | scsi_req_build_sense(req, SENSE_CODE(INVALID_OPCODE)); |
238 | afa46c46 | Paolo Bonzini | scsi_req_complete(req, CHECK_CONDITION); |
239 | afa46c46 | Paolo Bonzini | return 0; |
240 | afa46c46 | Paolo Bonzini | } |
241 | afa46c46 | Paolo Bonzini | |
242 | adcf2754 | Paolo Bonzini | static const struct SCSIReqOps reqops_invalid_opcode = { |
243 | afa46c46 | Paolo Bonzini | .size = sizeof(SCSIRequest),
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244 | afa46c46 | Paolo Bonzini | .send_command = scsi_invalid_command |
245 | afa46c46 | Paolo Bonzini | }; |
246 | afa46c46 | Paolo Bonzini | |
247 | 6dc06f08 | Paolo Bonzini | /* SCSIReqOps implementation for unit attention conditions. */
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248 | 6dc06f08 | Paolo Bonzini | |
249 | 6dc06f08 | Paolo Bonzini | static int32_t scsi_unit_attention(SCSIRequest *req, uint8_t *buf)
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250 | 6dc06f08 | Paolo Bonzini | { |
251 | 6dc06f08 | Paolo Bonzini | if (req->dev && req->dev->unit_attention.key == UNIT_ATTENTION) {
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252 | 6dc06f08 | Paolo Bonzini | scsi_req_build_sense(req, req->dev->unit_attention); |
253 | 6dc06f08 | Paolo Bonzini | } else if (req->bus->unit_attention.key == UNIT_ATTENTION) { |
254 | 6dc06f08 | Paolo Bonzini | scsi_req_build_sense(req, req->bus->unit_attention); |
255 | 6dc06f08 | Paolo Bonzini | } |
256 | 6dc06f08 | Paolo Bonzini | scsi_req_complete(req, CHECK_CONDITION); |
257 | 6dc06f08 | Paolo Bonzini | return 0; |
258 | 6dc06f08 | Paolo Bonzini | } |
259 | 6dc06f08 | Paolo Bonzini | |
260 | adcf2754 | Paolo Bonzini | static const struct SCSIReqOps reqops_unit_attention = { |
261 | 6dc06f08 | Paolo Bonzini | .size = sizeof(SCSIRequest),
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262 | 6dc06f08 | Paolo Bonzini | .send_command = scsi_unit_attention |
263 | 6dc06f08 | Paolo Bonzini | }; |
264 | 6dc06f08 | Paolo Bonzini | |
265 | fdaef069 | Paolo Bonzini | /* SCSIReqOps implementation for REPORT LUNS and for commands sent to
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266 | fdaef069 | Paolo Bonzini | an invalid LUN. */
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267 | fdaef069 | Paolo Bonzini | |
268 | fdaef069 | Paolo Bonzini | typedef struct SCSITargetReq SCSITargetReq; |
269 | fdaef069 | Paolo Bonzini | |
270 | fdaef069 | Paolo Bonzini | struct SCSITargetReq {
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271 | fdaef069 | Paolo Bonzini | SCSIRequest req; |
272 | fdaef069 | Paolo Bonzini | int len;
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273 | ba74307c | Paolo Bonzini | uint8_t buf[2056];
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274 | fdaef069 | Paolo Bonzini | }; |
275 | fdaef069 | Paolo Bonzini | |
276 | fdaef069 | Paolo Bonzini | static void store_lun(uint8_t *outbuf, int lun) |
277 | fdaef069 | Paolo Bonzini | { |
278 | fdaef069 | Paolo Bonzini | if (lun < 256) { |
279 | fdaef069 | Paolo Bonzini | outbuf[1] = lun;
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280 | fdaef069 | Paolo Bonzini | return;
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281 | fdaef069 | Paolo Bonzini | } |
282 | fdaef069 | Paolo Bonzini | outbuf[1] = (lun & 255); |
283 | fdaef069 | Paolo Bonzini | outbuf[0] = (lun >> 8) | 0x40; |
284 | fdaef069 | Paolo Bonzini | } |
285 | fdaef069 | Paolo Bonzini | |
286 | fdaef069 | Paolo Bonzini | static bool scsi_target_emulate_report_luns(SCSITargetReq *r) |
287 | fdaef069 | Paolo Bonzini | { |
288 | ba74307c | Paolo Bonzini | DeviceState *qdev; |
289 | ba74307c | Paolo Bonzini | int i, len, n;
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290 | 0d3545e7 | Paolo Bonzini | int channel, id;
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291 | ba74307c | Paolo Bonzini | bool found_lun0;
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292 | ba74307c | Paolo Bonzini | |
293 | fdaef069 | Paolo Bonzini | if (r->req.cmd.xfer < 16) { |
294 | fdaef069 | Paolo Bonzini | return false; |
295 | fdaef069 | Paolo Bonzini | } |
296 | fdaef069 | Paolo Bonzini | if (r->req.cmd.buf[2] > 2) { |
297 | fdaef069 | Paolo Bonzini | return false; |
298 | fdaef069 | Paolo Bonzini | } |
299 | 0d3545e7 | Paolo Bonzini | channel = r->req.dev->channel; |
300 | ba74307c | Paolo Bonzini | id = r->req.dev->id; |
301 | ba74307c | Paolo Bonzini | found_lun0 = false;
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302 | ba74307c | Paolo Bonzini | n = 0;
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303 | ba74307c | Paolo Bonzini | QTAILQ_FOREACH(qdev, &r->req.bus->qbus.children, sibling) { |
304 | b9eea3e6 | Anthony Liguori | SCSIDevice *dev = SCSI_DEVICE(qdev); |
305 | ba74307c | Paolo Bonzini | |
306 | 0d3545e7 | Paolo Bonzini | if (dev->channel == channel && dev->id == id) {
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307 | ba74307c | Paolo Bonzini | if (dev->lun == 0) { |
308 | ba74307c | Paolo Bonzini | found_lun0 = true;
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309 | ba74307c | Paolo Bonzini | } |
310 | ba74307c | Paolo Bonzini | n += 8;
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311 | ba74307c | Paolo Bonzini | } |
312 | ba74307c | Paolo Bonzini | } |
313 | ba74307c | Paolo Bonzini | if (!found_lun0) {
|
314 | ba74307c | Paolo Bonzini | n += 8;
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315 | ba74307c | Paolo Bonzini | } |
316 | ba74307c | Paolo Bonzini | len = MIN(n + 8, r->req.cmd.xfer & ~7); |
317 | ba74307c | Paolo Bonzini | if (len > sizeof(r->buf)) { |
318 | ba74307c | Paolo Bonzini | /* TODO: > 256 LUNs? */
|
319 | ba74307c | Paolo Bonzini | return false; |
320 | ba74307c | Paolo Bonzini | } |
321 | ba74307c | Paolo Bonzini | |
322 | fdaef069 | Paolo Bonzini | memset(r->buf, 0, len);
|
323 | ba74307c | Paolo Bonzini | stl_be_p(&r->buf, n); |
324 | ba74307c | Paolo Bonzini | i = found_lun0 ? 8 : 16; |
325 | ba74307c | Paolo Bonzini | QTAILQ_FOREACH(qdev, &r->req.bus->qbus.children, sibling) { |
326 | b9eea3e6 | Anthony Liguori | SCSIDevice *dev = SCSI_DEVICE(qdev); |
327 | ba74307c | Paolo Bonzini | |
328 | 0d3545e7 | Paolo Bonzini | if (dev->channel == channel && dev->id == id) {
|
329 | ba74307c | Paolo Bonzini | store_lun(&r->buf[i], dev->lun); |
330 | ba74307c | Paolo Bonzini | i += 8;
|
331 | ba74307c | Paolo Bonzini | } |
332 | fdaef069 | Paolo Bonzini | } |
333 | ba74307c | Paolo Bonzini | assert(i == n + 8);
|
334 | ba74307c | Paolo Bonzini | r->len = len; |
335 | fdaef069 | Paolo Bonzini | return true; |
336 | fdaef069 | Paolo Bonzini | } |
337 | fdaef069 | Paolo Bonzini | |
338 | fdaef069 | Paolo Bonzini | static bool scsi_target_emulate_inquiry(SCSITargetReq *r) |
339 | fdaef069 | Paolo Bonzini | { |
340 | fdaef069 | Paolo Bonzini | assert(r->req.dev->lun != r->req.lun); |
341 | fdaef069 | Paolo Bonzini | if (r->req.cmd.buf[1] & 0x2) { |
342 | fdaef069 | Paolo Bonzini | /* Command support data - optional, not implemented */
|
343 | fdaef069 | Paolo Bonzini | return false; |
344 | fdaef069 | Paolo Bonzini | } |
345 | fdaef069 | Paolo Bonzini | |
346 | fdaef069 | Paolo Bonzini | if (r->req.cmd.buf[1] & 0x1) { |
347 | fdaef069 | Paolo Bonzini | /* Vital product data */
|
348 | fdaef069 | Paolo Bonzini | uint8_t page_code = r->req.cmd.buf[2];
|
349 | fdaef069 | Paolo Bonzini | if (r->req.cmd.xfer < 4) { |
350 | fdaef069 | Paolo Bonzini | return false; |
351 | fdaef069 | Paolo Bonzini | } |
352 | fdaef069 | Paolo Bonzini | |
353 | fdaef069 | Paolo Bonzini | r->buf[r->len++] = page_code ; /* this page */
|
354 | fdaef069 | Paolo Bonzini | r->buf[r->len++] = 0x00;
|
355 | fdaef069 | Paolo Bonzini | |
356 | fdaef069 | Paolo Bonzini | switch (page_code) {
|
357 | fdaef069 | Paolo Bonzini | case 0x00: /* Supported page codes, mandatory */ |
358 | fdaef069 | Paolo Bonzini | { |
359 | fdaef069 | Paolo Bonzini | int pages;
|
360 | fdaef069 | Paolo Bonzini | pages = r->len++; |
361 | fdaef069 | Paolo Bonzini | r->buf[r->len++] = 0x00; /* list of supported pages (this page) */ |
362 | fdaef069 | Paolo Bonzini | r->buf[pages] = r->len - pages - 1; /* number of pages */ |
363 | fdaef069 | Paolo Bonzini | break;
|
364 | fdaef069 | Paolo Bonzini | } |
365 | fdaef069 | Paolo Bonzini | default:
|
366 | fdaef069 | Paolo Bonzini | return false; |
367 | fdaef069 | Paolo Bonzini | } |
368 | fdaef069 | Paolo Bonzini | /* done with EVPD */
|
369 | fdaef069 | Paolo Bonzini | assert(r->len < sizeof(r->buf));
|
370 | fdaef069 | Paolo Bonzini | r->len = MIN(r->req.cmd.xfer, r->len); |
371 | fdaef069 | Paolo Bonzini | return true; |
372 | fdaef069 | Paolo Bonzini | } |
373 | fdaef069 | Paolo Bonzini | |
374 | fdaef069 | Paolo Bonzini | /* Standard INQUIRY data */
|
375 | fdaef069 | Paolo Bonzini | if (r->req.cmd.buf[2] != 0) { |
376 | fdaef069 | Paolo Bonzini | return false; |
377 | fdaef069 | Paolo Bonzini | } |
378 | fdaef069 | Paolo Bonzini | |
379 | fdaef069 | Paolo Bonzini | /* PAGE CODE == 0 */
|
380 | fdaef069 | Paolo Bonzini | if (r->req.cmd.xfer < 5) { |
381 | fdaef069 | Paolo Bonzini | return -1; |
382 | fdaef069 | Paolo Bonzini | } |
383 | fdaef069 | Paolo Bonzini | |
384 | fdaef069 | Paolo Bonzini | r->len = MIN(r->req.cmd.xfer, 36);
|
385 | fdaef069 | Paolo Bonzini | memset(r->buf, 0, r->len);
|
386 | fdaef069 | Paolo Bonzini | if (r->req.lun != 0) { |
387 | fdaef069 | Paolo Bonzini | r->buf[0] = TYPE_NO_LUN;
|
388 | fdaef069 | Paolo Bonzini | } else {
|
389 | fdaef069 | Paolo Bonzini | r->buf[0] = TYPE_NOT_PRESENT | TYPE_INACTIVE;
|
390 | fdaef069 | Paolo Bonzini | r->buf[2] = 5; /* Version */ |
391 | fdaef069 | Paolo Bonzini | r->buf[3] = 2 | 0x10; /* HiSup, response data format */ |
392 | fdaef069 | Paolo Bonzini | r->buf[4] = r->len - 5; /* Additional Length = (Len - 1) - 4 */ |
393 | afd4030c | Paolo Bonzini | r->buf[7] = 0x10 | (r->req.bus->info->tcq ? 0x02 : 0); /* Sync, TCQ. */ |
394 | fdaef069 | Paolo Bonzini | memcpy(&r->buf[8], "QEMU ", 8); |
395 | fdaef069 | Paolo Bonzini | memcpy(&r->buf[16], "QEMU TARGET ", 16); |
396 | fdaef069 | Paolo Bonzini | strncpy((char *) &r->buf[32], QEMU_VERSION, 4); |
397 | fdaef069 | Paolo Bonzini | } |
398 | fdaef069 | Paolo Bonzini | return true; |
399 | fdaef069 | Paolo Bonzini | } |
400 | fdaef069 | Paolo Bonzini | |
401 | fdaef069 | Paolo Bonzini | static int32_t scsi_target_send_command(SCSIRequest *req, uint8_t *buf)
|
402 | fdaef069 | Paolo Bonzini | { |
403 | fdaef069 | Paolo Bonzini | SCSITargetReq *r = DO_UPCAST(SCSITargetReq, req, req); |
404 | fdaef069 | Paolo Bonzini | |
405 | fdaef069 | Paolo Bonzini | switch (buf[0]) { |
406 | fdaef069 | Paolo Bonzini | case REPORT_LUNS:
|
407 | fdaef069 | Paolo Bonzini | if (!scsi_target_emulate_report_luns(r)) {
|
408 | fdaef069 | Paolo Bonzini | goto illegal_request;
|
409 | fdaef069 | Paolo Bonzini | } |
410 | fdaef069 | Paolo Bonzini | break;
|
411 | fdaef069 | Paolo Bonzini | case INQUIRY:
|
412 | fdaef069 | Paolo Bonzini | if (!scsi_target_emulate_inquiry(r)) {
|
413 | fdaef069 | Paolo Bonzini | goto illegal_request;
|
414 | fdaef069 | Paolo Bonzini | } |
415 | fdaef069 | Paolo Bonzini | break;
|
416 | 739df215 | Paolo Bonzini | case REQUEST_SENSE:
|
417 | 739df215 | Paolo Bonzini | if (req->cmd.xfer < 4) { |
418 | 739df215 | Paolo Bonzini | goto illegal_request;
|
419 | 739df215 | Paolo Bonzini | } |
420 | 8b2a04ee | Paolo Bonzini | r->len = scsi_device_get_sense(r->req.dev, r->buf, |
421 | 8b2a04ee | Paolo Bonzini | MIN(req->cmd.xfer, sizeof r->buf),
|
422 | 739df215 | Paolo Bonzini | (req->cmd.buf[1] & 1) == 0); |
423 | 3653d8c4 | Paolo Bonzini | if (r->req.dev->sense_is_ua) {
|
424 | b9eea3e6 | Anthony Liguori | scsi_device_unit_attention_reported(req->dev); |
425 | 3653d8c4 | Paolo Bonzini | r->req.dev->sense_len = 0;
|
426 | 3653d8c4 | Paolo Bonzini | r->req.dev->sense_is_ua = false;
|
427 | 3653d8c4 | Paolo Bonzini | } |
428 | 739df215 | Paolo Bonzini | break;
|
429 | fdaef069 | Paolo Bonzini | default:
|
430 | fdaef069 | Paolo Bonzini | scsi_req_build_sense(req, SENSE_CODE(LUN_NOT_SUPPORTED)); |
431 | fdaef069 | Paolo Bonzini | scsi_req_complete(req, CHECK_CONDITION); |
432 | fdaef069 | Paolo Bonzini | return 0; |
433 | fdaef069 | Paolo Bonzini | illegal_request:
|
434 | fdaef069 | Paolo Bonzini | scsi_req_build_sense(req, SENSE_CODE(INVALID_FIELD)); |
435 | fdaef069 | Paolo Bonzini | scsi_req_complete(req, CHECK_CONDITION); |
436 | fdaef069 | Paolo Bonzini | return 0; |
437 | fdaef069 | Paolo Bonzini | } |
438 | fdaef069 | Paolo Bonzini | |
439 | fdaef069 | Paolo Bonzini | if (!r->len) {
|
440 | fdaef069 | Paolo Bonzini | scsi_req_complete(req, GOOD); |
441 | fdaef069 | Paolo Bonzini | } |
442 | fdaef069 | Paolo Bonzini | return r->len;
|
443 | fdaef069 | Paolo Bonzini | } |
444 | fdaef069 | Paolo Bonzini | |
445 | fdaef069 | Paolo Bonzini | static void scsi_target_read_data(SCSIRequest *req) |
446 | fdaef069 | Paolo Bonzini | { |
447 | fdaef069 | Paolo Bonzini | SCSITargetReq *r = DO_UPCAST(SCSITargetReq, req, req); |
448 | fdaef069 | Paolo Bonzini | uint32_t n; |
449 | fdaef069 | Paolo Bonzini | |
450 | fdaef069 | Paolo Bonzini | n = r->len; |
451 | fdaef069 | Paolo Bonzini | if (n > 0) { |
452 | fdaef069 | Paolo Bonzini | r->len = 0;
|
453 | fdaef069 | Paolo Bonzini | scsi_req_data(&r->req, n); |
454 | fdaef069 | Paolo Bonzini | } else {
|
455 | fdaef069 | Paolo Bonzini | scsi_req_complete(&r->req, GOOD); |
456 | fdaef069 | Paolo Bonzini | } |
457 | fdaef069 | Paolo Bonzini | } |
458 | fdaef069 | Paolo Bonzini | |
459 | fdaef069 | Paolo Bonzini | static uint8_t *scsi_target_get_buf(SCSIRequest *req)
|
460 | fdaef069 | Paolo Bonzini | { |
461 | fdaef069 | Paolo Bonzini | SCSITargetReq *r = DO_UPCAST(SCSITargetReq, req, req); |
462 | fdaef069 | Paolo Bonzini | |
463 | fdaef069 | Paolo Bonzini | return r->buf;
|
464 | fdaef069 | Paolo Bonzini | } |
465 | fdaef069 | Paolo Bonzini | |
466 | adcf2754 | Paolo Bonzini | static const struct SCSIReqOps reqops_target_command = { |
467 | fdaef069 | Paolo Bonzini | .size = sizeof(SCSITargetReq),
|
468 | fdaef069 | Paolo Bonzini | .send_command = scsi_target_send_command, |
469 | fdaef069 | Paolo Bonzini | .read_data = scsi_target_read_data, |
470 | fdaef069 | Paolo Bonzini | .get_buf = scsi_target_get_buf, |
471 | fdaef069 | Paolo Bonzini | }; |
472 | fdaef069 | Paolo Bonzini | |
473 | fdaef069 | Paolo Bonzini | |
474 | adcf2754 | Paolo Bonzini | SCSIRequest *scsi_req_alloc(const SCSIReqOps *reqops, SCSIDevice *d,
|
475 | adcf2754 | Paolo Bonzini | uint32_t tag, uint32_t lun, void *hba_private)
|
476 | 89b08ae1 | Gerd Hoffmann | { |
477 | 89b08ae1 | Gerd Hoffmann | SCSIRequest *req; |
478 | 89b08ae1 | Gerd Hoffmann | |
479 | 7267c094 | Anthony Liguori | req = g_malloc0(reqops->size); |
480 | 5c6c0e51 | Hannes Reinecke | req->refcount = 1;
|
481 | 89b08ae1 | Gerd Hoffmann | req->bus = scsi_bus_from_device(d); |
482 | 89b08ae1 | Gerd Hoffmann | req->dev = d; |
483 | 89b08ae1 | Gerd Hoffmann | req->tag = tag; |
484 | 89b08ae1 | Gerd Hoffmann | req->lun = lun; |
485 | c5bf71a9 | Hannes Reinecke | req->hba_private = hba_private; |
486 | ed3a34a3 | Gerd Hoffmann | req->status = -1;
|
487 | b45ef674 | Paolo Bonzini | req->sense_len = 0;
|
488 | 8dbd4574 | Paolo Bonzini | req->ops = reqops; |
489 | 5138efec | Paolo Bonzini | trace_scsi_req_alloc(req->dev->id, req->lun, req->tag); |
490 | 89b08ae1 | Gerd Hoffmann | return req;
|
491 | 89b08ae1 | Gerd Hoffmann | } |
492 | 89b08ae1 | Gerd Hoffmann | |
493 | c5bf71a9 | Hannes Reinecke | SCSIRequest *scsi_req_new(SCSIDevice *d, uint32_t tag, uint32_t lun, |
494 | c39ce112 | Paolo Bonzini | uint8_t *buf, void *hba_private)
|
495 | 43a2b339 | Paolo Bonzini | { |
496 | 6dc06f08 | Paolo Bonzini | SCSIBus *bus = DO_UPCAST(SCSIBus, qbus, d->qdev.parent_bus); |
497 | c39ce112 | Paolo Bonzini | SCSIRequest *req; |
498 | afa46c46 | Paolo Bonzini | SCSICommand cmd; |
499 | afa46c46 | Paolo Bonzini | |
500 | afa46c46 | Paolo Bonzini | if (scsi_req_parse(&cmd, d, buf) != 0) { |
501 | afa46c46 | Paolo Bonzini | trace_scsi_req_parse_bad(d->id, lun, tag, buf[0]);
|
502 | afa46c46 | Paolo Bonzini | req = scsi_req_alloc(&reqops_invalid_opcode, d, tag, lun, hba_private); |
503 | afa46c46 | Paolo Bonzini | } else {
|
504 | afa46c46 | Paolo Bonzini | trace_scsi_req_parsed(d->id, lun, tag, buf[0],
|
505 | afa46c46 | Paolo Bonzini | cmd.mode, cmd.xfer); |
506 | 3b6ffe50 | Peter Maydell | if (cmd.lba != -1) { |
507 | afa46c46 | Paolo Bonzini | trace_scsi_req_parsed_lba(d->id, lun, tag, buf[0],
|
508 | afa46c46 | Paolo Bonzini | cmd.lba); |
509 | afa46c46 | Paolo Bonzini | } |
510 | fdaef069 | Paolo Bonzini | |
511 | 6dc06f08 | Paolo Bonzini | if ((d->unit_attention.key == UNIT_ATTENTION ||
|
512 | 6dc06f08 | Paolo Bonzini | bus->unit_attention.key == UNIT_ATTENTION) && |
513 | 6dc06f08 | Paolo Bonzini | (buf[0] != INQUIRY &&
|
514 | 6dc06f08 | Paolo Bonzini | buf[0] != REPORT_LUNS &&
|
515 | 6dc06f08 | Paolo Bonzini | buf[0] != GET_CONFIGURATION &&
|
516 | 3653d8c4 | Paolo Bonzini | buf[0] != GET_EVENT_STATUS_NOTIFICATION &&
|
517 | 3653d8c4 | Paolo Bonzini | |
518 | 3653d8c4 | Paolo Bonzini | /*
|
519 | 3653d8c4 | Paolo Bonzini | * If we already have a pending unit attention condition,
|
520 | 3653d8c4 | Paolo Bonzini | * report this one before triggering another one.
|
521 | 3653d8c4 | Paolo Bonzini | */
|
522 | 3653d8c4 | Paolo Bonzini | !(buf[0] == REQUEST_SENSE && d->sense_is_ua))) {
|
523 | 6dc06f08 | Paolo Bonzini | req = scsi_req_alloc(&reqops_unit_attention, d, tag, lun, |
524 | 6dc06f08 | Paolo Bonzini | hba_private); |
525 | 6dc06f08 | Paolo Bonzini | } else if (lun != d->lun || |
526 | 739df215 | Paolo Bonzini | buf[0] == REPORT_LUNS ||
|
527 | f3b338ef | Paolo Bonzini | (buf[0] == REQUEST_SENSE && (d->sense_len || cmd.xfer < 4))) { |
528 | fdaef069 | Paolo Bonzini | req = scsi_req_alloc(&reqops_target_command, d, tag, lun, |
529 | fdaef069 | Paolo Bonzini | hba_private); |
530 | fdaef069 | Paolo Bonzini | } else {
|
531 | b9eea3e6 | Anthony Liguori | req = scsi_device_alloc_req(d, tag, lun, buf, hba_private); |
532 | fdaef069 | Paolo Bonzini | } |
533 | afa46c46 | Paolo Bonzini | } |
534 | afa46c46 | Paolo Bonzini | |
535 | afa46c46 | Paolo Bonzini | req->cmd = cmd; |
536 | 98254542 | Paolo Bonzini | switch (buf[0]) { |
537 | 98254542 | Paolo Bonzini | case INQUIRY:
|
538 | 98254542 | Paolo Bonzini | trace_scsi_inquiry(d->id, lun, tag, cmd.buf[1], cmd.buf[2]); |
539 | 98254542 | Paolo Bonzini | break;
|
540 | 98254542 | Paolo Bonzini | case TEST_UNIT_READY:
|
541 | 98254542 | Paolo Bonzini | trace_scsi_test_unit_ready(d->id, lun, tag); |
542 | 98254542 | Paolo Bonzini | break;
|
543 | 98254542 | Paolo Bonzini | case REPORT_LUNS:
|
544 | 98254542 | Paolo Bonzini | trace_scsi_report_luns(d->id, lun, tag); |
545 | 98254542 | Paolo Bonzini | break;
|
546 | 98254542 | Paolo Bonzini | case REQUEST_SENSE:
|
547 | 98254542 | Paolo Bonzini | trace_scsi_request_sense(d->id, lun, tag); |
548 | 98254542 | Paolo Bonzini | break;
|
549 | 98254542 | Paolo Bonzini | default:
|
550 | 98254542 | Paolo Bonzini | break;
|
551 | 98254542 | Paolo Bonzini | } |
552 | 98254542 | Paolo Bonzini | |
553 | c39ce112 | Paolo Bonzini | return req;
|
554 | 43a2b339 | Paolo Bonzini | } |
555 | 43a2b339 | Paolo Bonzini | |
556 | 0c34459b | Paolo Bonzini | uint8_t *scsi_req_get_buf(SCSIRequest *req) |
557 | 0c34459b | Paolo Bonzini | { |
558 | 12010e7b | Paolo Bonzini | return req->ops->get_buf(req);
|
559 | 0c34459b | Paolo Bonzini | } |
560 | 0c34459b | Paolo Bonzini | |
561 | 6dc06f08 | Paolo Bonzini | static void scsi_clear_unit_attention(SCSIRequest *req) |
562 | 6dc06f08 | Paolo Bonzini | { |
563 | 6dc06f08 | Paolo Bonzini | SCSISense *ua; |
564 | 6dc06f08 | Paolo Bonzini | if (req->dev->unit_attention.key != UNIT_ATTENTION &&
|
565 | 6dc06f08 | Paolo Bonzini | req->bus->unit_attention.key != UNIT_ATTENTION) { |
566 | 6dc06f08 | Paolo Bonzini | return;
|
567 | 6dc06f08 | Paolo Bonzini | } |
568 | 6dc06f08 | Paolo Bonzini | |
569 | 6dc06f08 | Paolo Bonzini | /*
|
570 | 6dc06f08 | Paolo Bonzini | * If an INQUIRY command enters the enabled command state,
|
571 | 6dc06f08 | Paolo Bonzini | * the device server shall [not] clear any unit attention condition;
|
572 | 6dc06f08 | Paolo Bonzini | * See also MMC-6, paragraphs 6.5 and 6.6.2.
|
573 | 6dc06f08 | Paolo Bonzini | */
|
574 | 6dc06f08 | Paolo Bonzini | if (req->cmd.buf[0] == INQUIRY || |
575 | 6dc06f08 | Paolo Bonzini | req->cmd.buf[0] == GET_CONFIGURATION ||
|
576 | 6dc06f08 | Paolo Bonzini | req->cmd.buf[0] == GET_EVENT_STATUS_NOTIFICATION) {
|
577 | 6dc06f08 | Paolo Bonzini | return;
|
578 | 6dc06f08 | Paolo Bonzini | } |
579 | 6dc06f08 | Paolo Bonzini | |
580 | 6dc06f08 | Paolo Bonzini | if (req->dev->unit_attention.key == UNIT_ATTENTION) {
|
581 | 6dc06f08 | Paolo Bonzini | ua = &req->dev->unit_attention; |
582 | 6dc06f08 | Paolo Bonzini | } else {
|
583 | 6dc06f08 | Paolo Bonzini | ua = &req->bus->unit_attention; |
584 | 6dc06f08 | Paolo Bonzini | } |
585 | 6dc06f08 | Paolo Bonzini | |
586 | 6dc06f08 | Paolo Bonzini | /*
|
587 | 6dc06f08 | Paolo Bonzini | * If a REPORT LUNS command enters the enabled command state, [...]
|
588 | 6dc06f08 | Paolo Bonzini | * the device server shall clear any pending unit attention condition
|
589 | 6dc06f08 | Paolo Bonzini | * with an additional sense code of REPORTED LUNS DATA HAS CHANGED.
|
590 | 6dc06f08 | Paolo Bonzini | */
|
591 | 6dc06f08 | Paolo Bonzini | if (req->cmd.buf[0] == REPORT_LUNS && |
592 | 6dc06f08 | Paolo Bonzini | !(ua->asc == SENSE_CODE(REPORTED_LUNS_CHANGED).asc && |
593 | 6dc06f08 | Paolo Bonzini | ua->ascq == SENSE_CODE(REPORTED_LUNS_CHANGED).ascq)) { |
594 | 6dc06f08 | Paolo Bonzini | return;
|
595 | 6dc06f08 | Paolo Bonzini | } |
596 | 6dc06f08 | Paolo Bonzini | |
597 | 6dc06f08 | Paolo Bonzini | *ua = SENSE_CODE(NO_SENSE); |
598 | 6dc06f08 | Paolo Bonzini | } |
599 | 6dc06f08 | Paolo Bonzini | |
600 | 74382217 | Hannes Reinecke | int scsi_req_get_sense(SCSIRequest *req, uint8_t *buf, int len) |
601 | 74382217 | Hannes Reinecke | { |
602 | 6dc06f08 | Paolo Bonzini | int ret;
|
603 | 6dc06f08 | Paolo Bonzini | |
604 | b45ef674 | Paolo Bonzini | assert(len >= 14);
|
605 | b45ef674 | Paolo Bonzini | if (!req->sense_len) {
|
606 | 74382217 | Hannes Reinecke | return 0; |
607 | 74382217 | Hannes Reinecke | } |
608 | 6dc06f08 | Paolo Bonzini | |
609 | 6dc06f08 | Paolo Bonzini | ret = scsi_build_sense(req->sense, req->sense_len, buf, len, true);
|
610 | 6dc06f08 | Paolo Bonzini | |
611 | 6dc06f08 | Paolo Bonzini | /*
|
612 | 6dc06f08 | Paolo Bonzini | * FIXME: clearing unit attention conditions upon autosense should be done
|
613 | 6dc06f08 | Paolo Bonzini | * only if the UA_INTLCK_CTRL field in the Control mode page is set to 00b
|
614 | 6dc06f08 | Paolo Bonzini | * (SAM-5, 5.14).
|
615 | 6dc06f08 | Paolo Bonzini | *
|
616 | 6dc06f08 | Paolo Bonzini | * We assume UA_INTLCK_CTRL to be 00b for HBAs that support autosense, and
|
617 | 6dc06f08 | Paolo Bonzini | * 10b for HBAs that do not support it (do not call scsi_req_get_sense).
|
618 | 3653d8c4 | Paolo Bonzini | * Here we handle unit attention clearing for UA_INTLCK_CTRL == 00b.
|
619 | 6dc06f08 | Paolo Bonzini | */
|
620 | 3653d8c4 | Paolo Bonzini | if (req->dev->sense_is_ua) {
|
621 | b9eea3e6 | Anthony Liguori | scsi_device_unit_attention_reported(req->dev); |
622 | 3653d8c4 | Paolo Bonzini | req->dev->sense_len = 0;
|
623 | 3653d8c4 | Paolo Bonzini | req->dev->sense_is_ua = false;
|
624 | 3653d8c4 | Paolo Bonzini | } |
625 | 6dc06f08 | Paolo Bonzini | return ret;
|
626 | b45ef674 | Paolo Bonzini | } |
627 | b45ef674 | Paolo Bonzini | |
628 | b45ef674 | Paolo Bonzini | int scsi_device_get_sense(SCSIDevice *dev, uint8_t *buf, int len, bool fixed) |
629 | b45ef674 | Paolo Bonzini | { |
630 | b45ef674 | Paolo Bonzini | return scsi_build_sense(dev->sense, dev->sense_len, buf, len, fixed);
|
631 | b45ef674 | Paolo Bonzini | } |
632 | b45ef674 | Paolo Bonzini | |
633 | b45ef674 | Paolo Bonzini | void scsi_req_build_sense(SCSIRequest *req, SCSISense sense)
|
634 | b45ef674 | Paolo Bonzini | { |
635 | b45ef674 | Paolo Bonzini | trace_scsi_req_build_sense(req->dev->id, req->lun, req->tag, |
636 | b45ef674 | Paolo Bonzini | sense.key, sense.asc, sense.ascq); |
637 | b45ef674 | Paolo Bonzini | memset(req->sense, 0, 18); |
638 | b45ef674 | Paolo Bonzini | req->sense[0] = 0xf0; |
639 | b45ef674 | Paolo Bonzini | req->sense[2] = sense.key;
|
640 | eae31cb9 | Paolo Bonzini | req->sense[7] = 10; |
641 | b45ef674 | Paolo Bonzini | req->sense[12] = sense.asc;
|
642 | b45ef674 | Paolo Bonzini | req->sense[13] = sense.ascq;
|
643 | b45ef674 | Paolo Bonzini | req->sense_len = 18;
|
644 | 74382217 | Hannes Reinecke | } |
645 | 74382217 | Hannes Reinecke | |
646 | c39ce112 | Paolo Bonzini | int32_t scsi_req_enqueue(SCSIRequest *req) |
647 | 89b08ae1 | Gerd Hoffmann | { |
648 | fc4f0754 | Paolo Bonzini | int32_t rc; |
649 | fc4f0754 | Paolo Bonzini | |
650 | 5c6c0e51 | Hannes Reinecke | assert(!req->enqueued); |
651 | 5c6c0e51 | Hannes Reinecke | scsi_req_ref(req); |
652 | 5c6c0e51 | Hannes Reinecke | req->enqueued = true;
|
653 | 5c6c0e51 | Hannes Reinecke | QTAILQ_INSERT_TAIL(&req->dev->requests, req, next); |
654 | fc4f0754 | Paolo Bonzini | |
655 | fc4f0754 | Paolo Bonzini | scsi_req_ref(req); |
656 | c39ce112 | Paolo Bonzini | rc = req->ops->send_command(req, req->cmd.buf); |
657 | fc4f0754 | Paolo Bonzini | scsi_req_unref(req); |
658 | fc4f0754 | Paolo Bonzini | return rc;
|
659 | 89b08ae1 | Gerd Hoffmann | } |
660 | 89b08ae1 | Gerd Hoffmann | |
661 | a1f0cce2 | Hannes Reinecke | static void scsi_req_dequeue(SCSIRequest *req) |
662 | e8637c90 | Jan Kiszka | { |
663 | 5138efec | Paolo Bonzini | trace_scsi_req_dequeue(req->dev->id, req->lun, req->tag); |
664 | 71544d30 | Paolo Bonzini | req->retry = false;
|
665 | e8637c90 | Jan Kiszka | if (req->enqueued) {
|
666 | e8637c90 | Jan Kiszka | QTAILQ_REMOVE(&req->dev->requests, req, next); |
667 | e8637c90 | Jan Kiszka | req->enqueued = false;
|
668 | ad2d30f7 | Paolo Bonzini | scsi_req_unref(req); |
669 | e8637c90 | Jan Kiszka | } |
670 | e8637c90 | Jan Kiszka | } |
671 | e8637c90 | Jan Kiszka | |
672 | 06b86357 | Paolo Bonzini | static int scsi_get_performance_length(int num_desc, int type, int data_type) |
673 | 06b86357 | Paolo Bonzini | { |
674 | 06b86357 | Paolo Bonzini | /* MMC-6, paragraph 6.7. */
|
675 | 06b86357 | Paolo Bonzini | switch (type) {
|
676 | 06b86357 | Paolo Bonzini | case 0: |
677 | 06b86357 | Paolo Bonzini | if ((data_type & 3) == 0) { |
678 | 06b86357 | Paolo Bonzini | /* Each descriptor is as in Table 295 - Nominal performance. */
|
679 | 06b86357 | Paolo Bonzini | return 16 * num_desc + 8; |
680 | 06b86357 | Paolo Bonzini | } else {
|
681 | 06b86357 | Paolo Bonzini | /* Each descriptor is as in Table 296 - Exceptions. */
|
682 | 06b86357 | Paolo Bonzini | return 6 * num_desc + 8; |
683 | 06b86357 | Paolo Bonzini | } |
684 | 06b86357 | Paolo Bonzini | case 1: |
685 | 06b86357 | Paolo Bonzini | case 4: |
686 | 06b86357 | Paolo Bonzini | case 5: |
687 | 06b86357 | Paolo Bonzini | return 8 * num_desc + 8; |
688 | 06b86357 | Paolo Bonzini | case 2: |
689 | 06b86357 | Paolo Bonzini | return 2048 * num_desc + 8; |
690 | 06b86357 | Paolo Bonzini | case 3: |
691 | 06b86357 | Paolo Bonzini | return 16 * num_desc + 8; |
692 | 06b86357 | Paolo Bonzini | default:
|
693 | 06b86357 | Paolo Bonzini | return 8; |
694 | 06b86357 | Paolo Bonzini | } |
695 | 06b86357 | Paolo Bonzini | } |
696 | 06b86357 | Paolo Bonzini | |
697 | 2599aece | Paolo Bonzini | static int scsi_req_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) |
698 | 2ec749cb | Gerd Hoffmann | { |
699 | 2599aece | Paolo Bonzini | switch (buf[0] >> 5) { |
700 | 2ec749cb | Gerd Hoffmann | case 0: |
701 | 2599aece | Paolo Bonzini | cmd->xfer = buf[4];
|
702 | 2599aece | Paolo Bonzini | cmd->len = 6;
|
703 | 2ec749cb | Gerd Hoffmann | /* length 0 means 256 blocks */
|
704 | 2599aece | Paolo Bonzini | if (cmd->xfer == 0) { |
705 | 2599aece | Paolo Bonzini | cmd->xfer = 256;
|
706 | 2599aece | Paolo Bonzini | } |
707 | 2ec749cb | Gerd Hoffmann | break;
|
708 | 2ec749cb | Gerd Hoffmann | case 1: |
709 | 2ec749cb | Gerd Hoffmann | case 2: |
710 | bd5da232 | Paolo Bonzini | cmd->xfer = lduw_be_p(&buf[7]);
|
711 | 2599aece | Paolo Bonzini | cmd->len = 10;
|
712 | 2ec749cb | Gerd Hoffmann | break;
|
713 | 2ec749cb | Gerd Hoffmann | case 4: |
714 | 06b86357 | Paolo Bonzini | cmd->xfer = ldl_be_p(&buf[10]) & 0xffffffffULL; |
715 | 2599aece | Paolo Bonzini | cmd->len = 16;
|
716 | 2ec749cb | Gerd Hoffmann | break;
|
717 | 2ec749cb | Gerd Hoffmann | case 5: |
718 | 06b86357 | Paolo Bonzini | cmd->xfer = ldl_be_p(&buf[6]) & 0xffffffffULL; |
719 | 2599aece | Paolo Bonzini | cmd->len = 12;
|
720 | 2ec749cb | Gerd Hoffmann | break;
|
721 | 2ec749cb | Gerd Hoffmann | default:
|
722 | 2ec749cb | Gerd Hoffmann | return -1; |
723 | 2ec749cb | Gerd Hoffmann | } |
724 | 2ec749cb | Gerd Hoffmann | |
725 | 2599aece | Paolo Bonzini | switch (buf[0]) { |
726 | 2ec749cb | Gerd Hoffmann | case TEST_UNIT_READY:
|
727 | 5e30a07d | Hannes Reinecke | case REWIND:
|
728 | 2ec749cb | Gerd Hoffmann | case START_STOP:
|
729 | 00a01ad4 | Paolo Bonzini | case SET_CAPACITY:
|
730 | 2ec749cb | Gerd Hoffmann | case WRITE_FILEMARKS:
|
731 | 06b86357 | Paolo Bonzini | case WRITE_FILEMARKS_16:
|
732 | 2ec749cb | Gerd Hoffmann | case SPACE:
|
733 | a5e3d9ef | Bernhard Kohl | case RESERVE:
|
734 | a5e3d9ef | Bernhard Kohl | case RELEASE:
|
735 | 2ec749cb | Gerd Hoffmann | case ERASE:
|
736 | 2ec749cb | Gerd Hoffmann | case ALLOW_MEDIUM_REMOVAL:
|
737 | 5e30a07d | Hannes Reinecke | case VERIFY_10:
|
738 | 2ec749cb | Gerd Hoffmann | case SEEK_10:
|
739 | 2ec749cb | Gerd Hoffmann | case SYNCHRONIZE_CACHE:
|
740 | 06b86357 | Paolo Bonzini | case SYNCHRONIZE_CACHE_16:
|
741 | 06b86357 | Paolo Bonzini | case LOCATE_16:
|
742 | 2ec749cb | Gerd Hoffmann | case LOCK_UNLOCK_CACHE:
|
743 | 2ec749cb | Gerd Hoffmann | case LOAD_UNLOAD:
|
744 | 2ec749cb | Gerd Hoffmann | case SET_CD_SPEED:
|
745 | 2ec749cb | Gerd Hoffmann | case SET_LIMITS:
|
746 | 5e30a07d | Hannes Reinecke | case WRITE_LONG_10:
|
747 | 2ec749cb | Gerd Hoffmann | case MOVE_MEDIUM:
|
748 | 2ec749cb | Gerd Hoffmann | case UPDATE_BLOCK:
|
749 | 06b86357 | Paolo Bonzini | case RESERVE_TRACK:
|
750 | 06b86357 | Paolo Bonzini | case SET_READ_AHEAD:
|
751 | 06b86357 | Paolo Bonzini | case PRE_FETCH:
|
752 | 06b86357 | Paolo Bonzini | case PRE_FETCH_16:
|
753 | 06b86357 | Paolo Bonzini | case ALLOW_OVERWRITE:
|
754 | 2599aece | Paolo Bonzini | cmd->xfer = 0;
|
755 | 2ec749cb | Gerd Hoffmann | break;
|
756 | 2ec749cb | Gerd Hoffmann | case MODE_SENSE:
|
757 | 2ec749cb | Gerd Hoffmann | break;
|
758 | 5e30a07d | Hannes Reinecke | case WRITE_SAME_10:
|
759 | 2599aece | Paolo Bonzini | cmd->xfer = 1;
|
760 | 2ec749cb | Gerd Hoffmann | break;
|
761 | 5e30a07d | Hannes Reinecke | case READ_CAPACITY_10:
|
762 | 2599aece | Paolo Bonzini | cmd->xfer = 8;
|
763 | 2ec749cb | Gerd Hoffmann | break;
|
764 | 2ec749cb | Gerd Hoffmann | case READ_BLOCK_LIMITS:
|
765 | 2599aece | Paolo Bonzini | cmd->xfer = 6;
|
766 | 2ec749cb | Gerd Hoffmann | break;
|
767 | 2ec749cb | Gerd Hoffmann | case SEND_VOLUME_TAG:
|
768 | 06b86357 | Paolo Bonzini | /* GPCMD_SET_STREAMING from multimedia commands. */
|
769 | 06b86357 | Paolo Bonzini | if (dev->type == TYPE_ROM) {
|
770 | 06b86357 | Paolo Bonzini | cmd->xfer = buf[10] | (buf[9] << 8); |
771 | 06b86357 | Paolo Bonzini | } else {
|
772 | 06b86357 | Paolo Bonzini | cmd->xfer = buf[9] | (buf[8] << 8); |
773 | 06b86357 | Paolo Bonzini | } |
774 | 2ec749cb | Gerd Hoffmann | break;
|
775 | 2ec749cb | Gerd Hoffmann | case WRITE_10:
|
776 | 5e30a07d | Hannes Reinecke | case WRITE_VERIFY_10:
|
777 | 2ec749cb | Gerd Hoffmann | case WRITE_6:
|
778 | 2ec749cb | Gerd Hoffmann | case WRITE_12:
|
779 | 2ec749cb | Gerd Hoffmann | case WRITE_VERIFY_12:
|
780 | bd536cf3 | Gerd Hoffmann | case WRITE_16:
|
781 | bd536cf3 | Gerd Hoffmann | case WRITE_VERIFY_16:
|
782 | 2599aece | Paolo Bonzini | cmd->xfer *= dev->blocksize; |
783 | 2ec749cb | Gerd Hoffmann | break;
|
784 | 2ec749cb | Gerd Hoffmann | case READ_10:
|
785 | 2ec749cb | Gerd Hoffmann | case READ_6:
|
786 | 2ec749cb | Gerd Hoffmann | case READ_REVERSE:
|
787 | 2ec749cb | Gerd Hoffmann | case RECOVER_BUFFERED_DATA:
|
788 | 2ec749cb | Gerd Hoffmann | case READ_12:
|
789 | bd536cf3 | Gerd Hoffmann | case READ_16:
|
790 | 2599aece | Paolo Bonzini | cmd->xfer *= dev->blocksize; |
791 | 2ec749cb | Gerd Hoffmann | break;
|
792 | 06b86357 | Paolo Bonzini | case FORMAT_UNIT:
|
793 | 06b86357 | Paolo Bonzini | /* MMC mandates the parameter list to be 12-bytes long. Parameters
|
794 | 06b86357 | Paolo Bonzini | * for block devices are restricted to the header right now. */
|
795 | 06b86357 | Paolo Bonzini | if (dev->type == TYPE_ROM && (buf[1] & 16)) { |
796 | 06b86357 | Paolo Bonzini | cmd->xfer = 12;
|
797 | 06b86357 | Paolo Bonzini | } else {
|
798 | 06b86357 | Paolo Bonzini | cmd->xfer = (buf[1] & 16) == 0 ? 0 : (buf[1] & 32 ? 8 : 4); |
799 | 06b86357 | Paolo Bonzini | } |
800 | 06b86357 | Paolo Bonzini | break;
|
801 | 2ec749cb | Gerd Hoffmann | case INQUIRY:
|
802 | 06b86357 | Paolo Bonzini | case RECEIVE_DIAGNOSTIC:
|
803 | 06b86357 | Paolo Bonzini | case SEND_DIAGNOSTIC:
|
804 | 2599aece | Paolo Bonzini | cmd->xfer = buf[4] | (buf[3] << 8); |
805 | 2ec749cb | Gerd Hoffmann | break;
|
806 | 06b86357 | Paolo Bonzini | case READ_CD:
|
807 | 06b86357 | Paolo Bonzini | case READ_BUFFER:
|
808 | 06b86357 | Paolo Bonzini | case WRITE_BUFFER:
|
809 | 06b86357 | Paolo Bonzini | case SEND_CUE_SHEET:
|
810 | 06b86357 | Paolo Bonzini | cmd->xfer = buf[8] | (buf[7] << 8) | (buf[6] << 16); |
811 | 06b86357 | Paolo Bonzini | break;
|
812 | 06b86357 | Paolo Bonzini | case PERSISTENT_RESERVE_OUT:
|
813 | 06b86357 | Paolo Bonzini | cmd->xfer = ldl_be_p(&buf[5]) & 0xffffffffULL; |
814 | 06b86357 | Paolo Bonzini | break;
|
815 | 06b86357 | Paolo Bonzini | case ERASE_12:
|
816 | 06b86357 | Paolo Bonzini | if (dev->type == TYPE_ROM) {
|
817 | 06b86357 | Paolo Bonzini | /* MMC command GET PERFORMANCE. */
|
818 | 06b86357 | Paolo Bonzini | cmd->xfer = scsi_get_performance_length(buf[9] | (buf[8] << 8), |
819 | 06b86357 | Paolo Bonzini | buf[10], buf[1] & 0x1f); |
820 | 06b86357 | Paolo Bonzini | } |
821 | 06b86357 | Paolo Bonzini | break;
|
822 | 06b86357 | Paolo Bonzini | case MECHANISM_STATUS:
|
823 | 06b86357 | Paolo Bonzini | case READ_DVD_STRUCTURE:
|
824 | 06b86357 | Paolo Bonzini | case SEND_DVD_STRUCTURE:
|
825 | c7126d5b | Nicholas Bellinger | case MAINTENANCE_OUT:
|
826 | c7126d5b | Nicholas Bellinger | case MAINTENANCE_IN:
|
827 | 2599aece | Paolo Bonzini | if (dev->type == TYPE_ROM) {
|
828 | c7126d5b | Nicholas Bellinger | /* GPCMD_REPORT_KEY and GPCMD_SEND_KEY from multi media commands */
|
829 | 2599aece | Paolo Bonzini | cmd->xfer = buf[9] | (buf[8] << 8); |
830 | c7126d5b | Nicholas Bellinger | } |
831 | c7126d5b | Nicholas Bellinger | break;
|
832 | 2ec749cb | Gerd Hoffmann | } |
833 | 2ec749cb | Gerd Hoffmann | return 0; |
834 | 2ec749cb | Gerd Hoffmann | } |
835 | 2ec749cb | Gerd Hoffmann | |
836 | 2599aece | Paolo Bonzini | static int scsi_req_stream_length(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf) |
837 | 2ec749cb | Gerd Hoffmann | { |
838 | 2599aece | Paolo Bonzini | switch (buf[0]) { |
839 | 2ec749cb | Gerd Hoffmann | /* stream commands */
|
840 | 06b86357 | Paolo Bonzini | case ERASE_12:
|
841 | 06b86357 | Paolo Bonzini | case ERASE_16:
|
842 | 06b86357 | Paolo Bonzini | cmd->xfer = 0;
|
843 | 06b86357 | Paolo Bonzini | break;
|
844 | 2ec749cb | Gerd Hoffmann | case READ_6:
|
845 | 2ec749cb | Gerd Hoffmann | case READ_REVERSE:
|
846 | 2ec749cb | Gerd Hoffmann | case RECOVER_BUFFERED_DATA:
|
847 | 2ec749cb | Gerd Hoffmann | case WRITE_6:
|
848 | 2599aece | Paolo Bonzini | cmd->len = 6;
|
849 | 2599aece | Paolo Bonzini | cmd->xfer = buf[4] | (buf[3] << 8) | (buf[2] << 16); |
850 | 2599aece | Paolo Bonzini | if (buf[1] & 0x01) { /* fixed */ |
851 | 2599aece | Paolo Bonzini | cmd->xfer *= dev->blocksize; |
852 | 2599aece | Paolo Bonzini | } |
853 | 2ec749cb | Gerd Hoffmann | break;
|
854 | 2ec749cb | Gerd Hoffmann | case REWIND:
|
855 | 2ec749cb | Gerd Hoffmann | case START_STOP:
|
856 | 2599aece | Paolo Bonzini | cmd->len = 6;
|
857 | 2599aece | Paolo Bonzini | cmd->xfer = 0;
|
858 | 2ec749cb | Gerd Hoffmann | break;
|
859 | 06b86357 | Paolo Bonzini | case SPACE_16:
|
860 | 06b86357 | Paolo Bonzini | cmd->xfer = buf[13] | (buf[12] << 8); |
861 | 06b86357 | Paolo Bonzini | break;
|
862 | 06b86357 | Paolo Bonzini | case READ_POSITION:
|
863 | 06b86357 | Paolo Bonzini | cmd->xfer = buf[8] | (buf[7] << 8); |
864 | 06b86357 | Paolo Bonzini | break;
|
865 | 06b86357 | Paolo Bonzini | case FORMAT_UNIT:
|
866 | 06b86357 | Paolo Bonzini | cmd->xfer = buf[4] | (buf[3] << 8); |
867 | 06b86357 | Paolo Bonzini | break;
|
868 | 2ec749cb | Gerd Hoffmann | /* generic commands */
|
869 | 2ec749cb | Gerd Hoffmann | default:
|
870 | 2599aece | Paolo Bonzini | return scsi_req_length(cmd, dev, buf);
|
871 | 2ec749cb | Gerd Hoffmann | } |
872 | 2ec749cb | Gerd Hoffmann | return 0; |
873 | 2ec749cb | Gerd Hoffmann | } |
874 | 2ec749cb | Gerd Hoffmann | |
875 | 2599aece | Paolo Bonzini | static void scsi_cmd_xfer_mode(SCSICommand *cmd) |
876 | 97a06435 | Gerd Hoffmann | { |
877 | 2599aece | Paolo Bonzini | switch (cmd->buf[0]) { |
878 | 97a06435 | Gerd Hoffmann | case WRITE_6:
|
879 | 97a06435 | Gerd Hoffmann | case WRITE_10:
|
880 | 5e30a07d | Hannes Reinecke | case WRITE_VERIFY_10:
|
881 | 97a06435 | Gerd Hoffmann | case WRITE_12:
|
882 | 97a06435 | Gerd Hoffmann | case WRITE_VERIFY_12:
|
883 | bd536cf3 | Gerd Hoffmann | case WRITE_16:
|
884 | bd536cf3 | Gerd Hoffmann | case WRITE_VERIFY_16:
|
885 | 97a06435 | Gerd Hoffmann | case COPY:
|
886 | 97a06435 | Gerd Hoffmann | case COPY_VERIFY:
|
887 | 97a06435 | Gerd Hoffmann | case COMPARE:
|
888 | 97a06435 | Gerd Hoffmann | case CHANGE_DEFINITION:
|
889 | 97a06435 | Gerd Hoffmann | case LOG_SELECT:
|
890 | 97a06435 | Gerd Hoffmann | case MODE_SELECT:
|
891 | 97a06435 | Gerd Hoffmann | case MODE_SELECT_10:
|
892 | 97a06435 | Gerd Hoffmann | case SEND_DIAGNOSTIC:
|
893 | 97a06435 | Gerd Hoffmann | case WRITE_BUFFER:
|
894 | 97a06435 | Gerd Hoffmann | case FORMAT_UNIT:
|
895 | 97a06435 | Gerd Hoffmann | case REASSIGN_BLOCKS:
|
896 | 97a06435 | Gerd Hoffmann | case SEARCH_EQUAL:
|
897 | 97a06435 | Gerd Hoffmann | case SEARCH_HIGH:
|
898 | 97a06435 | Gerd Hoffmann | case SEARCH_LOW:
|
899 | 97a06435 | Gerd Hoffmann | case UPDATE_BLOCK:
|
900 | 5e30a07d | Hannes Reinecke | case WRITE_LONG_10:
|
901 | 5e30a07d | Hannes Reinecke | case WRITE_SAME_10:
|
902 | 97a06435 | Gerd Hoffmann | case SEARCH_HIGH_12:
|
903 | 97a06435 | Gerd Hoffmann | case SEARCH_EQUAL_12:
|
904 | 97a06435 | Gerd Hoffmann | case SEARCH_LOW_12:
|
905 | 97a06435 | Gerd Hoffmann | case MEDIUM_SCAN:
|
906 | 97a06435 | Gerd Hoffmann | case SEND_VOLUME_TAG:
|
907 | 06b86357 | Paolo Bonzini | case SEND_CUE_SHEET:
|
908 | 06b86357 | Paolo Bonzini | case SEND_DVD_STRUCTURE:
|
909 | 01bedeba | Nicholas Bellinger | case PERSISTENT_RESERVE_OUT:
|
910 | c7126d5b | Nicholas Bellinger | case MAINTENANCE_OUT:
|
911 | 2599aece | Paolo Bonzini | cmd->mode = SCSI_XFER_TO_DEV; |
912 | 97a06435 | Gerd Hoffmann | break;
|
913 | 97a06435 | Gerd Hoffmann | default:
|
914 | 2599aece | Paolo Bonzini | if (cmd->xfer)
|
915 | 2599aece | Paolo Bonzini | cmd->mode = SCSI_XFER_FROM_DEV; |
916 | 97a06435 | Gerd Hoffmann | else {
|
917 | 2599aece | Paolo Bonzini | cmd->mode = SCSI_XFER_NONE; |
918 | 97a06435 | Gerd Hoffmann | } |
919 | 97a06435 | Gerd Hoffmann | break;
|
920 | 97a06435 | Gerd Hoffmann | } |
921 | 97a06435 | Gerd Hoffmann | } |
922 | 97a06435 | Gerd Hoffmann | |
923 | 2599aece | Paolo Bonzini | static uint64_t scsi_cmd_lba(SCSICommand *cmd)
|
924 | 2ec749cb | Gerd Hoffmann | { |
925 | 2599aece | Paolo Bonzini | uint8_t *buf = cmd->buf; |
926 | 2ec749cb | Gerd Hoffmann | uint64_t lba; |
927 | 2ec749cb | Gerd Hoffmann | |
928 | 2ec749cb | Gerd Hoffmann | switch (buf[0] >> 5) { |
929 | 2ec749cb | Gerd Hoffmann | case 0: |
930 | bd5da232 | Paolo Bonzini | lba = ldl_be_p(&buf[0]) & 0x1fffff; |
931 | 2ec749cb | Gerd Hoffmann | break;
|
932 | 2ec749cb | Gerd Hoffmann | case 1: |
933 | 2ec749cb | Gerd Hoffmann | case 2: |
934 | bd5da232 | Paolo Bonzini | case 5: |
935 | 06b86357 | Paolo Bonzini | lba = ldl_be_p(&buf[2]) & 0xffffffffULL; |
936 | 2ec749cb | Gerd Hoffmann | break;
|
937 | 2ec749cb | Gerd Hoffmann | case 4: |
938 | bd5da232 | Paolo Bonzini | lba = ldq_be_p(&buf[2]);
|
939 | 2ec749cb | Gerd Hoffmann | break;
|
940 | 2ec749cb | Gerd Hoffmann | default:
|
941 | 2ec749cb | Gerd Hoffmann | lba = -1;
|
942 | 2ec749cb | Gerd Hoffmann | |
943 | 2ec749cb | Gerd Hoffmann | } |
944 | 2ec749cb | Gerd Hoffmann | return lba;
|
945 | 2ec749cb | Gerd Hoffmann | } |
946 | 2ec749cb | Gerd Hoffmann | |
947 | afa46c46 | Paolo Bonzini | int scsi_req_parse(SCSICommand *cmd, SCSIDevice *dev, uint8_t *buf)
|
948 | 2ec749cb | Gerd Hoffmann | { |
949 | 2ec749cb | Gerd Hoffmann | int rc;
|
950 | 2ec749cb | Gerd Hoffmann | |
951 | afa46c46 | Paolo Bonzini | if (dev->type == TYPE_TAPE) {
|
952 | afa46c46 | Paolo Bonzini | rc = scsi_req_stream_length(cmd, dev, buf); |
953 | 2ec749cb | Gerd Hoffmann | } else {
|
954 | afa46c46 | Paolo Bonzini | rc = scsi_req_length(cmd, dev, buf); |
955 | 2ec749cb | Gerd Hoffmann | } |
956 | 2ec749cb | Gerd Hoffmann | if (rc != 0) |
957 | 2ec749cb | Gerd Hoffmann | return rc;
|
958 | 2ec749cb | Gerd Hoffmann | |
959 | afa46c46 | Paolo Bonzini | memcpy(cmd->buf, buf, cmd->len); |
960 | afa46c46 | Paolo Bonzini | scsi_cmd_xfer_mode(cmd); |
961 | afa46c46 | Paolo Bonzini | cmd->lba = scsi_cmd_lba(cmd); |
962 | 2ec749cb | Gerd Hoffmann | return 0; |
963 | 2ec749cb | Gerd Hoffmann | } |
964 | ed3a34a3 | Gerd Hoffmann | |
965 | a1f0cce2 | Hannes Reinecke | /*
|
966 | a1f0cce2 | Hannes Reinecke | * Predefined sense codes
|
967 | a1f0cce2 | Hannes Reinecke | */
|
968 | a1f0cce2 | Hannes Reinecke | |
969 | a1f0cce2 | Hannes Reinecke | /* No sense data available */
|
970 | a1f0cce2 | Hannes Reinecke | const struct SCSISense sense_code_NO_SENSE = { |
971 | a1f0cce2 | Hannes Reinecke | .key = NO_SENSE , .asc = 0x00 , .ascq = 0x00 |
972 | a1f0cce2 | Hannes Reinecke | }; |
973 | a1f0cce2 | Hannes Reinecke | |
974 | a1f0cce2 | Hannes Reinecke | /* LUN not ready, Manual intervention required */
|
975 | a1f0cce2 | Hannes Reinecke | const struct SCSISense sense_code_LUN_NOT_READY = { |
976 | a1f0cce2 | Hannes Reinecke | .key = NOT_READY, .asc = 0x04, .ascq = 0x03 |
977 | a1f0cce2 | Hannes Reinecke | }; |
978 | a1f0cce2 | Hannes Reinecke | |
979 | a1f0cce2 | Hannes Reinecke | /* LUN not ready, Medium not present */
|
980 | a1f0cce2 | Hannes Reinecke | const struct SCSISense sense_code_NO_MEDIUM = { |
981 | a1f0cce2 | Hannes Reinecke | .key = NOT_READY, .asc = 0x3a, .ascq = 0x00 |
982 | a1f0cce2 | Hannes Reinecke | }; |
983 | a1f0cce2 | Hannes Reinecke | |
984 | 68bb01f3 | Markus Armbruster | /* LUN not ready, medium removal prevented */
|
985 | 68bb01f3 | Markus Armbruster | const struct SCSISense sense_code_NOT_READY_REMOVAL_PREVENTED = { |
986 | 68bb01f3 | Markus Armbruster | .key = NOT_READY, .asc = 0x53, .ascq = 0x00 |
987 | 68bb01f3 | Markus Armbruster | }; |
988 | 68bb01f3 | Markus Armbruster | |
989 | a1f0cce2 | Hannes Reinecke | /* Hardware error, internal target failure */
|
990 | a1f0cce2 | Hannes Reinecke | const struct SCSISense sense_code_TARGET_FAILURE = { |
991 | a1f0cce2 | Hannes Reinecke | .key = HARDWARE_ERROR, .asc = 0x44, .ascq = 0x00 |
992 | a1f0cce2 | Hannes Reinecke | }; |
993 | a1f0cce2 | Hannes Reinecke | |
994 | a1f0cce2 | Hannes Reinecke | /* Illegal request, invalid command operation code */
|
995 | a1f0cce2 | Hannes Reinecke | const struct SCSISense sense_code_INVALID_OPCODE = { |
996 | a1f0cce2 | Hannes Reinecke | .key = ILLEGAL_REQUEST, .asc = 0x20, .ascq = 0x00 |
997 | a1f0cce2 | Hannes Reinecke | }; |
998 | a1f0cce2 | Hannes Reinecke | |
999 | a1f0cce2 | Hannes Reinecke | /* Illegal request, LBA out of range */
|
1000 | a1f0cce2 | Hannes Reinecke | const struct SCSISense sense_code_LBA_OUT_OF_RANGE = { |
1001 | a1f0cce2 | Hannes Reinecke | .key = ILLEGAL_REQUEST, .asc = 0x21, .ascq = 0x00 |
1002 | a1f0cce2 | Hannes Reinecke | }; |
1003 | a1f0cce2 | Hannes Reinecke | |
1004 | a1f0cce2 | Hannes Reinecke | /* Illegal request, Invalid field in CDB */
|
1005 | a1f0cce2 | Hannes Reinecke | const struct SCSISense sense_code_INVALID_FIELD = { |
1006 | a1f0cce2 | Hannes Reinecke | .key = ILLEGAL_REQUEST, .asc = 0x24, .ascq = 0x00 |
1007 | a1f0cce2 | Hannes Reinecke | }; |
1008 | a1f0cce2 | Hannes Reinecke | |
1009 | a1f0cce2 | Hannes Reinecke | /* Illegal request, LUN not supported */
|
1010 | a1f0cce2 | Hannes Reinecke | const struct SCSISense sense_code_LUN_NOT_SUPPORTED = { |
1011 | a1f0cce2 | Hannes Reinecke | .key = ILLEGAL_REQUEST, .asc = 0x25, .ascq = 0x00 |
1012 | a1f0cce2 | Hannes Reinecke | }; |
1013 | a1f0cce2 | Hannes Reinecke | |
1014 | a872a304 | Paolo Bonzini | /* Illegal request, Saving parameters not supported */
|
1015 | a872a304 | Paolo Bonzini | const struct SCSISense sense_code_SAVING_PARAMS_NOT_SUPPORTED = { |
1016 | a872a304 | Paolo Bonzini | .key = ILLEGAL_REQUEST, .asc = 0x39, .ascq = 0x00 |
1017 | a872a304 | Paolo Bonzini | }; |
1018 | a872a304 | Paolo Bonzini | |
1019 | a872a304 | Paolo Bonzini | /* Illegal request, Incompatible medium installed */
|
1020 | 67cc61e4 | Paolo Bonzini | const struct SCSISense sense_code_INCOMPATIBLE_FORMAT = { |
1021 | a872a304 | Paolo Bonzini | .key = ILLEGAL_REQUEST, .asc = 0x30, .ascq = 0x00 |
1022 | a872a304 | Paolo Bonzini | }; |
1023 | a872a304 | Paolo Bonzini | |
1024 | 68bb01f3 | Markus Armbruster | /* Illegal request, medium removal prevented */
|
1025 | 68bb01f3 | Markus Armbruster | const struct SCSISense sense_code_ILLEGAL_REQ_REMOVAL_PREVENTED = { |
1026 | 68bb01f3 | Markus Armbruster | .key = ILLEGAL_REQUEST, .asc = 0x53, .ascq = 0x00 |
1027 | 68bb01f3 | Markus Armbruster | }; |
1028 | 68bb01f3 | Markus Armbruster | |
1029 | a1f0cce2 | Hannes Reinecke | /* Command aborted, I/O process terminated */
|
1030 | a1f0cce2 | Hannes Reinecke | const struct SCSISense sense_code_IO_ERROR = { |
1031 | a1f0cce2 | Hannes Reinecke | .key = ABORTED_COMMAND, .asc = 0x00, .ascq = 0x06 |
1032 | a1f0cce2 | Hannes Reinecke | }; |
1033 | a1f0cce2 | Hannes Reinecke | |
1034 | a1f0cce2 | Hannes Reinecke | /* Command aborted, I_T Nexus loss occurred */
|
1035 | a1f0cce2 | Hannes Reinecke | const struct SCSISense sense_code_I_T_NEXUS_LOSS = { |
1036 | a1f0cce2 | Hannes Reinecke | .key = ABORTED_COMMAND, .asc = 0x29, .ascq = 0x07 |
1037 | a1f0cce2 | Hannes Reinecke | }; |
1038 | a1f0cce2 | Hannes Reinecke | |
1039 | a1f0cce2 | Hannes Reinecke | /* Command aborted, Logical Unit failure */
|
1040 | a1f0cce2 | Hannes Reinecke | const struct SCSISense sense_code_LUN_FAILURE = { |
1041 | a1f0cce2 | Hannes Reinecke | .key = ABORTED_COMMAND, .asc = 0x3e, .ascq = 0x01 |
1042 | a1f0cce2 | Hannes Reinecke | }; |
1043 | a1f0cce2 | Hannes Reinecke | |
1044 | a872a304 | Paolo Bonzini | /* Unit attention, Power on, reset or bus device reset occurred */
|
1045 | a872a304 | Paolo Bonzini | const struct SCSISense sense_code_RESET = { |
1046 | a872a304 | Paolo Bonzini | .key = UNIT_ATTENTION, .asc = 0x29, .ascq = 0x00 |
1047 | a872a304 | Paolo Bonzini | }; |
1048 | a872a304 | Paolo Bonzini | |
1049 | 8a9c16f6 | Paolo Bonzini | /* Unit attention, No medium */
|
1050 | 8a9c16f6 | Paolo Bonzini | const struct SCSISense sense_code_UNIT_ATTENTION_NO_MEDIUM = { |
1051 | 8a9c16f6 | Paolo Bonzini | .key = UNIT_ATTENTION, .asc = 0x3a, .ascq = 0x00 |
1052 | 8a9c16f6 | Paolo Bonzini | }; |
1053 | 8a9c16f6 | Paolo Bonzini | |
1054 | a872a304 | Paolo Bonzini | /* Unit attention, Medium may have changed */
|
1055 | a872a304 | Paolo Bonzini | const struct SCSISense sense_code_MEDIUM_CHANGED = { |
1056 | a872a304 | Paolo Bonzini | .key = UNIT_ATTENTION, .asc = 0x28, .ascq = 0x00 |
1057 | a872a304 | Paolo Bonzini | }; |
1058 | a872a304 | Paolo Bonzini | |
1059 | a872a304 | Paolo Bonzini | /* Unit attention, Reported LUNs data has changed */
|
1060 | a872a304 | Paolo Bonzini | const struct SCSISense sense_code_REPORTED_LUNS_CHANGED = { |
1061 | a872a304 | Paolo Bonzini | .key = UNIT_ATTENTION, .asc = 0x3f, .ascq = 0x0e |
1062 | a872a304 | Paolo Bonzini | }; |
1063 | a872a304 | Paolo Bonzini | |
1064 | a872a304 | Paolo Bonzini | /* Unit attention, Device internal reset */
|
1065 | a872a304 | Paolo Bonzini | const struct SCSISense sense_code_DEVICE_INTERNAL_RESET = { |
1066 | a872a304 | Paolo Bonzini | .key = UNIT_ATTENTION, .asc = 0x29, .ascq = 0x04 |
1067 | a872a304 | Paolo Bonzini | }; |
1068 | a872a304 | Paolo Bonzini | |
1069 | a1f0cce2 | Hannes Reinecke | /*
|
1070 | a1f0cce2 | Hannes Reinecke | * scsi_build_sense
|
1071 | a1f0cce2 | Hannes Reinecke | *
|
1072 | b45ef674 | Paolo Bonzini | * Convert between fixed and descriptor sense buffers
|
1073 | a1f0cce2 | Hannes Reinecke | */
|
1074 | b45ef674 | Paolo Bonzini | int scsi_build_sense(uint8_t *in_buf, int in_len, |
1075 | b45ef674 | Paolo Bonzini | uint8_t *buf, int len, bool fixed) |
1076 | a1f0cce2 | Hannes Reinecke | { |
1077 | b45ef674 | Paolo Bonzini | bool fixed_in;
|
1078 | b45ef674 | Paolo Bonzini | SCSISense sense; |
1079 | a1f0cce2 | Hannes Reinecke | if (!fixed && len < 8) { |
1080 | a1f0cce2 | Hannes Reinecke | return 0; |
1081 | a1f0cce2 | Hannes Reinecke | } |
1082 | a1f0cce2 | Hannes Reinecke | |
1083 | b45ef674 | Paolo Bonzini | if (in_len == 0) { |
1084 | b45ef674 | Paolo Bonzini | sense.key = NO_SENSE; |
1085 | b45ef674 | Paolo Bonzini | sense.asc = 0;
|
1086 | b45ef674 | Paolo Bonzini | sense.ascq = 0;
|
1087 | b45ef674 | Paolo Bonzini | } else {
|
1088 | b45ef674 | Paolo Bonzini | fixed_in = (in_buf[0] & 2) == 0; |
1089 | b45ef674 | Paolo Bonzini | |
1090 | b45ef674 | Paolo Bonzini | if (fixed == fixed_in) {
|
1091 | b45ef674 | Paolo Bonzini | memcpy(buf, in_buf, MIN(len, in_len)); |
1092 | b45ef674 | Paolo Bonzini | return MIN(len, in_len);
|
1093 | b45ef674 | Paolo Bonzini | } |
1094 | b45ef674 | Paolo Bonzini | |
1095 | b45ef674 | Paolo Bonzini | if (fixed_in) {
|
1096 | b45ef674 | Paolo Bonzini | sense.key = in_buf[2];
|
1097 | b45ef674 | Paolo Bonzini | sense.asc = in_buf[12];
|
1098 | b45ef674 | Paolo Bonzini | sense.ascq = in_buf[13];
|
1099 | b45ef674 | Paolo Bonzini | } else {
|
1100 | b45ef674 | Paolo Bonzini | sense.key = in_buf[1];
|
1101 | b45ef674 | Paolo Bonzini | sense.asc = in_buf[2];
|
1102 | b45ef674 | Paolo Bonzini | sense.ascq = in_buf[3];
|
1103 | b45ef674 | Paolo Bonzini | } |
1104 | b45ef674 | Paolo Bonzini | } |
1105 | b45ef674 | Paolo Bonzini | |
1106 | a1f0cce2 | Hannes Reinecke | memset(buf, 0, len);
|
1107 | a1f0cce2 | Hannes Reinecke | if (fixed) {
|
1108 | a1f0cce2 | Hannes Reinecke | /* Return fixed format sense buffer */
|
1109 | a1f0cce2 | Hannes Reinecke | buf[0] = 0xf0; |
1110 | a1f0cce2 | Hannes Reinecke | buf[2] = sense.key;
|
1111 | eae31cb9 | Paolo Bonzini | buf[7] = 10; |
1112 | a1f0cce2 | Hannes Reinecke | buf[12] = sense.asc;
|
1113 | a1f0cce2 | Hannes Reinecke | buf[13] = sense.ascq;
|
1114 | a1f0cce2 | Hannes Reinecke | return MIN(len, 18); |
1115 | a1f0cce2 | Hannes Reinecke | } else {
|
1116 | a1f0cce2 | Hannes Reinecke | /* Return descriptor format sense buffer */
|
1117 | a1f0cce2 | Hannes Reinecke | buf[0] = 0x72; |
1118 | a1f0cce2 | Hannes Reinecke | buf[1] = sense.key;
|
1119 | a1f0cce2 | Hannes Reinecke | buf[2] = sense.asc;
|
1120 | a1f0cce2 | Hannes Reinecke | buf[3] = sense.ascq;
|
1121 | a1f0cce2 | Hannes Reinecke | return 8; |
1122 | a1f0cce2 | Hannes Reinecke | } |
1123 | a1f0cce2 | Hannes Reinecke | } |
1124 | a1f0cce2 | Hannes Reinecke | |
1125 | ec766865 | Gerd Hoffmann | static const char *scsi_command_name(uint8_t cmd) |
1126 | ec766865 | Gerd Hoffmann | { |
1127 | ec766865 | Gerd Hoffmann | static const char *names[] = { |
1128 | ec766865 | Gerd Hoffmann | [ TEST_UNIT_READY ] = "TEST_UNIT_READY",
|
1129 | 5e30a07d | Hannes Reinecke | [ REWIND ] = "REWIND",
|
1130 | ec766865 | Gerd Hoffmann | [ REQUEST_SENSE ] = "REQUEST_SENSE",
|
1131 | ec766865 | Gerd Hoffmann | [ FORMAT_UNIT ] = "FORMAT_UNIT",
|
1132 | ec766865 | Gerd Hoffmann | [ READ_BLOCK_LIMITS ] = "READ_BLOCK_LIMITS",
|
1133 | ec766865 | Gerd Hoffmann | [ REASSIGN_BLOCKS ] = "REASSIGN_BLOCKS",
|
1134 | ec766865 | Gerd Hoffmann | [ READ_6 ] = "READ_6",
|
1135 | ec766865 | Gerd Hoffmann | [ WRITE_6 ] = "WRITE_6",
|
1136 | 00a01ad4 | Paolo Bonzini | [ SET_CAPACITY ] = "SET_CAPACITY",
|
1137 | ec766865 | Gerd Hoffmann | [ READ_REVERSE ] = "READ_REVERSE",
|
1138 | ec766865 | Gerd Hoffmann | [ WRITE_FILEMARKS ] = "WRITE_FILEMARKS",
|
1139 | ec766865 | Gerd Hoffmann | [ SPACE ] = "SPACE",
|
1140 | ec766865 | Gerd Hoffmann | [ INQUIRY ] = "INQUIRY",
|
1141 | ec766865 | Gerd Hoffmann | [ RECOVER_BUFFERED_DATA ] = "RECOVER_BUFFERED_DATA",
|
1142 | c7126d5b | Nicholas Bellinger | [ MAINTENANCE_IN ] = "MAINTENANCE_IN",
|
1143 | c7126d5b | Nicholas Bellinger | [ MAINTENANCE_OUT ] = "MAINTENANCE_OUT",
|
1144 | ec766865 | Gerd Hoffmann | [ MODE_SELECT ] = "MODE_SELECT",
|
1145 | ec766865 | Gerd Hoffmann | [ RESERVE ] = "RESERVE",
|
1146 | ec766865 | Gerd Hoffmann | [ RELEASE ] = "RELEASE",
|
1147 | ec766865 | Gerd Hoffmann | [ COPY ] = "COPY",
|
1148 | ec766865 | Gerd Hoffmann | [ ERASE ] = "ERASE",
|
1149 | ec766865 | Gerd Hoffmann | [ MODE_SENSE ] = "MODE_SENSE",
|
1150 | ec766865 | Gerd Hoffmann | [ START_STOP ] = "START_STOP",
|
1151 | ec766865 | Gerd Hoffmann | [ RECEIVE_DIAGNOSTIC ] = "RECEIVE_DIAGNOSTIC",
|
1152 | ec766865 | Gerd Hoffmann | [ SEND_DIAGNOSTIC ] = "SEND_DIAGNOSTIC",
|
1153 | ec766865 | Gerd Hoffmann | [ ALLOW_MEDIUM_REMOVAL ] = "ALLOW_MEDIUM_REMOVAL",
|
1154 | 5e30a07d | Hannes Reinecke | [ READ_CAPACITY_10 ] = "READ_CAPACITY_10",
|
1155 | ec766865 | Gerd Hoffmann | [ READ_10 ] = "READ_10",
|
1156 | ec766865 | Gerd Hoffmann | [ WRITE_10 ] = "WRITE_10",
|
1157 | ec766865 | Gerd Hoffmann | [ SEEK_10 ] = "SEEK_10",
|
1158 | 5e30a07d | Hannes Reinecke | [ WRITE_VERIFY_10 ] = "WRITE_VERIFY_10",
|
1159 | 5e30a07d | Hannes Reinecke | [ VERIFY_10 ] = "VERIFY_10",
|
1160 | ec766865 | Gerd Hoffmann | [ SEARCH_HIGH ] = "SEARCH_HIGH",
|
1161 | ec766865 | Gerd Hoffmann | [ SEARCH_EQUAL ] = "SEARCH_EQUAL",
|
1162 | ec766865 | Gerd Hoffmann | [ SEARCH_LOW ] = "SEARCH_LOW",
|
1163 | ec766865 | Gerd Hoffmann | [ SET_LIMITS ] = "SET_LIMITS",
|
1164 | 00a01ad4 | Paolo Bonzini | [ PRE_FETCH ] = "PRE_FETCH/READ_POSITION",
|
1165 | 545557d4 | Blue Swirl | /* READ_POSITION and PRE_FETCH use the same operation code */
|
1166 | ec766865 | Gerd Hoffmann | [ SYNCHRONIZE_CACHE ] = "SYNCHRONIZE_CACHE",
|
1167 | ec766865 | Gerd Hoffmann | [ LOCK_UNLOCK_CACHE ] = "LOCK_UNLOCK_CACHE",
|
1168 | ec766865 | Gerd Hoffmann | [ READ_DEFECT_DATA ] = "READ_DEFECT_DATA",
|
1169 | ec766865 | Gerd Hoffmann | [ MEDIUM_SCAN ] = "MEDIUM_SCAN",
|
1170 | ec766865 | Gerd Hoffmann | [ COMPARE ] = "COMPARE",
|
1171 | ec766865 | Gerd Hoffmann | [ COPY_VERIFY ] = "COPY_VERIFY",
|
1172 | ec766865 | Gerd Hoffmann | [ WRITE_BUFFER ] = "WRITE_BUFFER",
|
1173 | ec766865 | Gerd Hoffmann | [ READ_BUFFER ] = "READ_BUFFER",
|
1174 | ec766865 | Gerd Hoffmann | [ UPDATE_BLOCK ] = "UPDATE_BLOCK",
|
1175 | 5e30a07d | Hannes Reinecke | [ READ_LONG_10 ] = "READ_LONG_10",
|
1176 | 5e30a07d | Hannes Reinecke | [ WRITE_LONG_10 ] = "WRITE_LONG_10",
|
1177 | ec766865 | Gerd Hoffmann | [ CHANGE_DEFINITION ] = "CHANGE_DEFINITION",
|
1178 | 5e30a07d | Hannes Reinecke | [ WRITE_SAME_10 ] = "WRITE_SAME_10",
|
1179 | 5e30a07d | Hannes Reinecke | [ UNMAP ] = "UNMAP",
|
1180 | ec766865 | Gerd Hoffmann | [ READ_TOC ] = "READ_TOC",
|
1181 | 5e30a07d | Hannes Reinecke | [ REPORT_DENSITY_SUPPORT ] = "REPORT_DENSITY_SUPPORT",
|
1182 | 5e30a07d | Hannes Reinecke | [ GET_CONFIGURATION ] = "GET_CONFIGURATION",
|
1183 | ec766865 | Gerd Hoffmann | [ LOG_SELECT ] = "LOG_SELECT",
|
1184 | ec766865 | Gerd Hoffmann | [ LOG_SENSE ] = "LOG_SENSE",
|
1185 | ec766865 | Gerd Hoffmann | [ MODE_SELECT_10 ] = "MODE_SELECT_10",
|
1186 | ec766865 | Gerd Hoffmann | [ RESERVE_10 ] = "RESERVE_10",
|
1187 | ec766865 | Gerd Hoffmann | [ RELEASE_10 ] = "RELEASE_10",
|
1188 | ec766865 | Gerd Hoffmann | [ MODE_SENSE_10 ] = "MODE_SENSE_10",
|
1189 | ec766865 | Gerd Hoffmann | [ PERSISTENT_RESERVE_IN ] = "PERSISTENT_RESERVE_IN",
|
1190 | ec766865 | Gerd Hoffmann | [ PERSISTENT_RESERVE_OUT ] = "PERSISTENT_RESERVE_OUT",
|
1191 | 5e30a07d | Hannes Reinecke | [ WRITE_FILEMARKS_16 ] = "WRITE_FILEMARKS_16",
|
1192 | 5e30a07d | Hannes Reinecke | [ EXTENDED_COPY ] = "EXTENDED_COPY",
|
1193 | 5e30a07d | Hannes Reinecke | [ ATA_PASSTHROUGH ] = "ATA_PASSTHROUGH",
|
1194 | 5e30a07d | Hannes Reinecke | [ ACCESS_CONTROL_IN ] = "ACCESS_CONTROL_IN",
|
1195 | 5e30a07d | Hannes Reinecke | [ ACCESS_CONTROL_OUT ] = "ACCESS_CONTROL_OUT",
|
1196 | 5e30a07d | Hannes Reinecke | [ READ_16 ] = "READ_16",
|
1197 | 5e30a07d | Hannes Reinecke | [ COMPARE_AND_WRITE ] = "COMPARE_AND_WRITE",
|
1198 | 5e30a07d | Hannes Reinecke | [ WRITE_16 ] = "WRITE_16",
|
1199 | 5e30a07d | Hannes Reinecke | [ WRITE_VERIFY_16 ] = "WRITE_VERIFY_16",
|
1200 | 5e30a07d | Hannes Reinecke | [ VERIFY_16 ] = "VERIFY_16",
|
1201 | 00a01ad4 | Paolo Bonzini | [ PRE_FETCH_16 ] = "PRE_FETCH_16",
|
1202 | 00a01ad4 | Paolo Bonzini | [ SYNCHRONIZE_CACHE_16 ] = "SPACE_16/SYNCHRONIZE_CACHE_16",
|
1203 | 00a01ad4 | Paolo Bonzini | /* SPACE_16 and SYNCHRONIZE_CACHE_16 use the same operation code */
|
1204 | 5e30a07d | Hannes Reinecke | [ LOCATE_16 ] = "LOCATE_16",
|
1205 | 00a01ad4 | Paolo Bonzini | [ WRITE_SAME_16 ] = "ERASE_16/WRITE_SAME_16",
|
1206 | 48bb9f53 | Blue Swirl | /* ERASE_16 and WRITE_SAME_16 use the same operation code */
|
1207 | f6515262 | Paolo Bonzini | [ SERVICE_ACTION_IN_16 ] = "SERVICE_ACTION_IN_16",
|
1208 | 5e30a07d | Hannes Reinecke | [ WRITE_LONG_16 ] = "WRITE_LONG_16",
|
1209 | 5e30a07d | Hannes Reinecke | [ REPORT_LUNS ] = "REPORT_LUNS",
|
1210 | 5e30a07d | Hannes Reinecke | [ BLANK ] = "BLANK",
|
1211 | ec766865 | Gerd Hoffmann | [ MOVE_MEDIUM ] = "MOVE_MEDIUM",
|
1212 | 5e30a07d | Hannes Reinecke | [ LOAD_UNLOAD ] = "LOAD_UNLOAD",
|
1213 | ec766865 | Gerd Hoffmann | [ READ_12 ] = "READ_12",
|
1214 | ec766865 | Gerd Hoffmann | [ WRITE_12 ] = "WRITE_12",
|
1215 | 00a01ad4 | Paolo Bonzini | [ ERASE_12 ] = "ERASE_12/GET_PERFORMANCE",
|
1216 | 00a01ad4 | Paolo Bonzini | /* ERASE_12 and GET_PERFORMANCE use the same operation code */
|
1217 | f6515262 | Paolo Bonzini | [ SERVICE_ACTION_IN_12 ] = "SERVICE_ACTION_IN_12",
|
1218 | ec766865 | Gerd Hoffmann | [ WRITE_VERIFY_12 ] = "WRITE_VERIFY_12",
|
1219 | 5e30a07d | Hannes Reinecke | [ VERIFY_12 ] = "VERIFY_12",
|
1220 | ec766865 | Gerd Hoffmann | [ SEARCH_HIGH_12 ] = "SEARCH_HIGH_12",
|
1221 | ec766865 | Gerd Hoffmann | [ SEARCH_EQUAL_12 ] = "SEARCH_EQUAL_12",
|
1222 | ec766865 | Gerd Hoffmann | [ SEARCH_LOW_12 ] = "SEARCH_LOW_12",
|
1223 | ec766865 | Gerd Hoffmann | [ READ_ELEMENT_STATUS ] = "READ_ELEMENT_STATUS",
|
1224 | 00a01ad4 | Paolo Bonzini | [ SEND_VOLUME_TAG ] = "SEND_VOLUME_TAG/SET_STREAMING",
|
1225 | 00a01ad4 | Paolo Bonzini | /* SEND_VOLUME_TAG and SET_STREAMING use the same operation code */
|
1226 | 00a01ad4 | Paolo Bonzini | [ READ_CD ] = "READ_CD",
|
1227 | 5e30a07d | Hannes Reinecke | [ READ_DEFECT_DATA_12 ] = "READ_DEFECT_DATA_12",
|
1228 | 00a01ad4 | Paolo Bonzini | [ READ_DVD_STRUCTURE ] = "READ_DVD_STRUCTURE",
|
1229 | 00a01ad4 | Paolo Bonzini | [ RESERVE_TRACK ] = "RESERVE_TRACK",
|
1230 | 00a01ad4 | Paolo Bonzini | [ SEND_CUE_SHEET ] = "SEND_CUE_SHEET",
|
1231 | 00a01ad4 | Paolo Bonzini | [ SEND_DVD_STRUCTURE ] = "SEND_DVD_STRUCTURE",
|
1232 | ec766865 | Gerd Hoffmann | [ SET_CD_SPEED ] = "SET_CD_SPEED",
|
1233 | 00a01ad4 | Paolo Bonzini | [ SET_READ_AHEAD ] = "SET_READ_AHEAD",
|
1234 | 00a01ad4 | Paolo Bonzini | [ ALLOW_OVERWRITE ] = "ALLOW_OVERWRITE",
|
1235 | 00a01ad4 | Paolo Bonzini | [ MECHANISM_STATUS ] = "MECHANISM_STATUS",
|
1236 | ec766865 | Gerd Hoffmann | }; |
1237 | ec766865 | Gerd Hoffmann | |
1238 | ec766865 | Gerd Hoffmann | if (cmd >= ARRAY_SIZE(names) || names[cmd] == NULL) |
1239 | ec766865 | Gerd Hoffmann | return "*UNKNOWN*"; |
1240 | ec766865 | Gerd Hoffmann | return names[cmd];
|
1241 | ec766865 | Gerd Hoffmann | } |
1242 | ec766865 | Gerd Hoffmann | |
1243 | ad2d30f7 | Paolo Bonzini | SCSIRequest *scsi_req_ref(SCSIRequest *req) |
1244 | ad2d30f7 | Paolo Bonzini | { |
1245 | ad2d30f7 | Paolo Bonzini | req->refcount++; |
1246 | ad2d30f7 | Paolo Bonzini | return req;
|
1247 | ad2d30f7 | Paolo Bonzini | } |
1248 | ad2d30f7 | Paolo Bonzini | |
1249 | ad2d30f7 | Paolo Bonzini | void scsi_req_unref(SCSIRequest *req)
|
1250 | ad2d30f7 | Paolo Bonzini | { |
1251 | ad2d30f7 | Paolo Bonzini | if (--req->refcount == 0) { |
1252 | 12010e7b | Paolo Bonzini | if (req->ops->free_req) {
|
1253 | 12010e7b | Paolo Bonzini | req->ops->free_req(req); |
1254 | ad2d30f7 | Paolo Bonzini | } |
1255 | 7267c094 | Anthony Liguori | g_free(req); |
1256 | ad2d30f7 | Paolo Bonzini | } |
1257 | ad2d30f7 | Paolo Bonzini | } |
1258 | ad2d30f7 | Paolo Bonzini | |
1259 | ad3376cc | Paolo Bonzini | /* Tell the device that we finished processing this chunk of I/O. It
|
1260 | ad3376cc | Paolo Bonzini | will start the next chunk or complete the command. */
|
1261 | ad3376cc | Paolo Bonzini | void scsi_req_continue(SCSIRequest *req)
|
1262 | ad3376cc | Paolo Bonzini | { |
1263 | ad3376cc | Paolo Bonzini | trace_scsi_req_continue(req->dev->id, req->lun, req->tag); |
1264 | ad3376cc | Paolo Bonzini | if (req->cmd.mode == SCSI_XFER_TO_DEV) {
|
1265 | 12010e7b | Paolo Bonzini | req->ops->write_data(req); |
1266 | ad3376cc | Paolo Bonzini | } else {
|
1267 | 12010e7b | Paolo Bonzini | req->ops->read_data(req); |
1268 | ad3376cc | Paolo Bonzini | } |
1269 | ad3376cc | Paolo Bonzini | } |
1270 | ad3376cc | Paolo Bonzini | |
1271 | ab9adc88 | Paolo Bonzini | /* Called by the devices when data is ready for the HBA. The HBA should
|
1272 | ab9adc88 | Paolo Bonzini | start a DMA operation to read or fill the device's data buffer.
|
1273 | ad3376cc | Paolo Bonzini | Once it completes, calling scsi_req_continue will restart I/O. */
|
1274 | ab9adc88 | Paolo Bonzini | void scsi_req_data(SCSIRequest *req, int len) |
1275 | ab9adc88 | Paolo Bonzini | { |
1276 | e88c591d | Paolo Bonzini | if (req->io_canceled) {
|
1277 | e88c591d | Paolo Bonzini | trace_scsi_req_data_canceled(req->dev->id, req->lun, req->tag, len); |
1278 | e88c591d | Paolo Bonzini | } else {
|
1279 | e88c591d | Paolo Bonzini | trace_scsi_req_data(req->dev->id, req->lun, req->tag, len); |
1280 | e88c591d | Paolo Bonzini | req->bus->info->transfer_data(req, len); |
1281 | e88c591d | Paolo Bonzini | } |
1282 | ab9adc88 | Paolo Bonzini | } |
1283 | ab9adc88 | Paolo Bonzini | |
1284 | ec766865 | Gerd Hoffmann | void scsi_req_print(SCSIRequest *req)
|
1285 | ec766865 | Gerd Hoffmann | { |
1286 | ec766865 | Gerd Hoffmann | FILE *fp = stderr; |
1287 | ec766865 | Gerd Hoffmann | int i;
|
1288 | ec766865 | Gerd Hoffmann | |
1289 | ec766865 | Gerd Hoffmann | fprintf(fp, "[%s id=%d] %s",
|
1290 | ec766865 | Gerd Hoffmann | req->dev->qdev.parent_bus->name, |
1291 | ec766865 | Gerd Hoffmann | req->dev->id, |
1292 | ec766865 | Gerd Hoffmann | scsi_command_name(req->cmd.buf[0]));
|
1293 | ec766865 | Gerd Hoffmann | for (i = 1; i < req->cmd.len; i++) { |
1294 | ec766865 | Gerd Hoffmann | fprintf(fp, " 0x%02x", req->cmd.buf[i]);
|
1295 | ec766865 | Gerd Hoffmann | } |
1296 | ec766865 | Gerd Hoffmann | switch (req->cmd.mode) {
|
1297 | ec766865 | Gerd Hoffmann | case SCSI_XFER_NONE:
|
1298 | ec766865 | Gerd Hoffmann | fprintf(fp, " - none\n");
|
1299 | ec766865 | Gerd Hoffmann | break;
|
1300 | ec766865 | Gerd Hoffmann | case SCSI_XFER_FROM_DEV:
|
1301 | ec766865 | Gerd Hoffmann | fprintf(fp, " - from-dev len=%zd\n", req->cmd.xfer);
|
1302 | ec766865 | Gerd Hoffmann | break;
|
1303 | ec766865 | Gerd Hoffmann | case SCSI_XFER_TO_DEV:
|
1304 | ec766865 | Gerd Hoffmann | fprintf(fp, " - to-dev len=%zd\n", req->cmd.xfer);
|
1305 | ec766865 | Gerd Hoffmann | break;
|
1306 | ec766865 | Gerd Hoffmann | default:
|
1307 | ec766865 | Gerd Hoffmann | fprintf(fp, " - Oops\n");
|
1308 | ec766865 | Gerd Hoffmann | break;
|
1309 | ec766865 | Gerd Hoffmann | } |
1310 | ec766865 | Gerd Hoffmann | } |
1311 | ec766865 | Gerd Hoffmann | |
1312 | 682a9b21 | Paolo Bonzini | void scsi_req_complete(SCSIRequest *req, int status) |
1313 | ed3a34a3 | Gerd Hoffmann | { |
1314 | 682a9b21 | Paolo Bonzini | assert(req->status == -1);
|
1315 | 682a9b21 | Paolo Bonzini | req->status = status; |
1316 | b45ef674 | Paolo Bonzini | |
1317 | b45ef674 | Paolo Bonzini | assert(req->sense_len < sizeof(req->sense));
|
1318 | b45ef674 | Paolo Bonzini | if (status == GOOD) {
|
1319 | b45ef674 | Paolo Bonzini | req->sense_len = 0;
|
1320 | b45ef674 | Paolo Bonzini | } |
1321 | b45ef674 | Paolo Bonzini | |
1322 | b45ef674 | Paolo Bonzini | if (req->sense_len) {
|
1323 | b45ef674 | Paolo Bonzini | memcpy(req->dev->sense, req->sense, req->sense_len); |
1324 | 3653d8c4 | Paolo Bonzini | req->dev->sense_len = req->sense_len; |
1325 | 3653d8c4 | Paolo Bonzini | req->dev->sense_is_ua = (req->ops == &reqops_unit_attention); |
1326 | 3653d8c4 | Paolo Bonzini | } else {
|
1327 | 3653d8c4 | Paolo Bonzini | req->dev->sense_len = 0;
|
1328 | 3653d8c4 | Paolo Bonzini | req->dev->sense_is_ua = false;
|
1329 | b45ef674 | Paolo Bonzini | } |
1330 | b45ef674 | Paolo Bonzini | |
1331 | 6dc06f08 | Paolo Bonzini | /*
|
1332 | 6dc06f08 | Paolo Bonzini | * Unit attention state is now stored in the device's sense buffer
|
1333 | 6dc06f08 | Paolo Bonzini | * if the HBA didn't do autosense. Clear the pending unit attention
|
1334 | 6dc06f08 | Paolo Bonzini | * flags.
|
1335 | 6dc06f08 | Paolo Bonzini | */
|
1336 | 6dc06f08 | Paolo Bonzini | scsi_clear_unit_attention(req); |
1337 | 6dc06f08 | Paolo Bonzini | |
1338 | ad2d30f7 | Paolo Bonzini | scsi_req_ref(req); |
1339 | e8637c90 | Jan Kiszka | scsi_req_dequeue(req); |
1340 | afd4030c | Paolo Bonzini | req->bus->info->complete(req, req->status); |
1341 | ad2d30f7 | Paolo Bonzini | scsi_req_unref(req); |
1342 | ed3a34a3 | Gerd Hoffmann | } |
1343 | db07c0f8 | Gleb Natapov | |
1344 | 94d3f98a | Paolo Bonzini | void scsi_req_cancel(SCSIRequest *req)
|
1345 | 94d3f98a | Paolo Bonzini | { |
1346 | e88c591d | Paolo Bonzini | if (!req->enqueued) {
|
1347 | e88c591d | Paolo Bonzini | return;
|
1348 | 94d3f98a | Paolo Bonzini | } |
1349 | 94d3f98a | Paolo Bonzini | scsi_req_ref(req); |
1350 | 94d3f98a | Paolo Bonzini | scsi_req_dequeue(req); |
1351 | e88c591d | Paolo Bonzini | req->io_canceled = true;
|
1352 | e88c591d | Paolo Bonzini | if (req->ops->cancel_io) {
|
1353 | e88c591d | Paolo Bonzini | req->ops->cancel_io(req); |
1354 | e88c591d | Paolo Bonzini | } |
1355 | afd4030c | Paolo Bonzini | if (req->bus->info->cancel) {
|
1356 | afd4030c | Paolo Bonzini | req->bus->info->cancel(req); |
1357 | 94d3f98a | Paolo Bonzini | } |
1358 | 94d3f98a | Paolo Bonzini | scsi_req_unref(req); |
1359 | 94d3f98a | Paolo Bonzini | } |
1360 | 94d3f98a | Paolo Bonzini | |
1361 | 19d110ab | Paolo Bonzini | void scsi_req_abort(SCSIRequest *req, int status) |
1362 | 19d110ab | Paolo Bonzini | { |
1363 | e88c591d | Paolo Bonzini | if (!req->enqueued) {
|
1364 | e88c591d | Paolo Bonzini | return;
|
1365 | e88c591d | Paolo Bonzini | } |
1366 | e88c591d | Paolo Bonzini | scsi_req_ref(req); |
1367 | e88c591d | Paolo Bonzini | scsi_req_dequeue(req); |
1368 | e88c591d | Paolo Bonzini | req->io_canceled = true;
|
1369 | 12010e7b | Paolo Bonzini | if (req->ops->cancel_io) {
|
1370 | 12010e7b | Paolo Bonzini | req->ops->cancel_io(req); |
1371 | 19d110ab | Paolo Bonzini | } |
1372 | 682a9b21 | Paolo Bonzini | scsi_req_complete(req, status); |
1373 | e88c591d | Paolo Bonzini | scsi_req_unref(req); |
1374 | 19d110ab | Paolo Bonzini | } |
1375 | 19d110ab | Paolo Bonzini | |
1376 | c7b48872 | Paolo Bonzini | void scsi_device_purge_requests(SCSIDevice *sdev, SCSISense sense)
|
1377 | c557e889 | Paolo Bonzini | { |
1378 | c557e889 | Paolo Bonzini | SCSIRequest *req; |
1379 | c557e889 | Paolo Bonzini | |
1380 | c557e889 | Paolo Bonzini | while (!QTAILQ_EMPTY(&sdev->requests)) {
|
1381 | c557e889 | Paolo Bonzini | req = QTAILQ_FIRST(&sdev->requests); |
1382 | 94d3f98a | Paolo Bonzini | scsi_req_cancel(req); |
1383 | c557e889 | Paolo Bonzini | } |
1384 | c7b48872 | Paolo Bonzini | sdev->unit_attention = sense; |
1385 | c557e889 | Paolo Bonzini | } |
1386 | c557e889 | Paolo Bonzini | |
1387 | db07c0f8 | Gleb Natapov | static char *scsibus_get_fw_dev_path(DeviceState *dev) |
1388 | db07c0f8 | Gleb Natapov | { |
1389 | b9eea3e6 | Anthony Liguori | SCSIDevice *d = SCSI_DEVICE(dev); |
1390 | db07c0f8 | Gleb Natapov | char path[100]; |
1391 | db07c0f8 | Gleb Natapov | |
1392 | 795928f6 | Paolo Bonzini | snprintf(path, sizeof(path), "channel@%x/%s@%x,%x", d->channel, |
1393 | 795928f6 | Paolo Bonzini | qdev_fw_name(dev), d->id, d->lun); |
1394 | db07c0f8 | Gleb Natapov | |
1395 | f48a7a6e | Paolo Bonzini | return strdup(path);
|
1396 | f48a7a6e | Paolo Bonzini | } |
1397 | f48a7a6e | Paolo Bonzini | |
1398 | 0d3545e7 | Paolo Bonzini | SCSIDevice *scsi_device_find(SCSIBus *bus, int channel, int id, int lun) |
1399 | f48a7a6e | Paolo Bonzini | { |
1400 | f48a7a6e | Paolo Bonzini | DeviceState *qdev; |
1401 | f48a7a6e | Paolo Bonzini | SCSIDevice *target_dev = NULL;
|
1402 | db07c0f8 | Gleb Natapov | |
1403 | f48a7a6e | Paolo Bonzini | QTAILQ_FOREACH_REVERSE(qdev, &bus->qbus.children, ChildrenHead, sibling) { |
1404 | b9eea3e6 | Anthony Liguori | SCSIDevice *dev = SCSI_DEVICE(qdev); |
1405 | db07c0f8 | Gleb Natapov | |
1406 | 0d3545e7 | Paolo Bonzini | if (dev->channel == channel && dev->id == id) {
|
1407 | f48a7a6e | Paolo Bonzini | if (dev->lun == lun) {
|
1408 | f48a7a6e | Paolo Bonzini | return dev;
|
1409 | f48a7a6e | Paolo Bonzini | } |
1410 | f48a7a6e | Paolo Bonzini | target_dev = dev; |
1411 | f48a7a6e | Paolo Bonzini | } |
1412 | f48a7a6e | Paolo Bonzini | } |
1413 | f48a7a6e | Paolo Bonzini | return target_dev;
|
1414 | db07c0f8 | Gleb Natapov | } |
1415 | b9eea3e6 | Anthony Liguori | |
1416 | 39bffca2 | Anthony Liguori | static void scsi_device_class_init(ObjectClass *klass, void *data) |
1417 | 39bffca2 | Anthony Liguori | { |
1418 | 39bffca2 | Anthony Liguori | DeviceClass *k = DEVICE_CLASS(klass); |
1419 | 39bffca2 | Anthony Liguori | k->bus_info = &scsi_bus_info; |
1420 | 39bffca2 | Anthony Liguori | k->init = scsi_qdev_init; |
1421 | 39bffca2 | Anthony Liguori | k->unplug = qdev_simple_unplug_cb; |
1422 | 39bffca2 | Anthony Liguori | k->exit = scsi_qdev_exit; |
1423 | 39bffca2 | Anthony Liguori | } |
1424 | 39bffca2 | Anthony Liguori | |
1425 | b9eea3e6 | Anthony Liguori | static TypeInfo scsi_device_type_info = {
|
1426 | b9eea3e6 | Anthony Liguori | .name = TYPE_SCSI_DEVICE, |
1427 | b9eea3e6 | Anthony Liguori | .parent = TYPE_DEVICE, |
1428 | b9eea3e6 | Anthony Liguori | .instance_size = sizeof(SCSIDevice),
|
1429 | b9eea3e6 | Anthony Liguori | .abstract = true,
|
1430 | b9eea3e6 | Anthony Liguori | .class_size = sizeof(SCSIDeviceClass),
|
1431 | 39bffca2 | Anthony Liguori | .class_init = scsi_device_class_init, |
1432 | b9eea3e6 | Anthony Liguori | }; |
1433 | b9eea3e6 | Anthony Liguori | |
1434 | 83f7d43a | Andreas Färber | static void scsi_register_types(void) |
1435 | b9eea3e6 | Anthony Liguori | { |
1436 | b9eea3e6 | Anthony Liguori | type_register_static(&scsi_device_type_info); |
1437 | b9eea3e6 | Anthony Liguori | } |
1438 | b9eea3e6 | Anthony Liguori | |
1439 | 83f7d43a | Andreas Färber | type_init(scsi_register_types) |