Revision 47e4ca5a
| b/hw/scsi-disk.c | ||
|---|---|---|
| 34 | 34 |
#define SENSE_HARDWARE_ERROR 4 |
| 35 | 35 |
#define SENSE_ILLEGAL_REQUEST 5 |
| 36 | 36 |
|
| 37 |
#define SCSI_OK 0 |
|
| 38 |
#define SCSI_CHECK_COND 0x2 |
|
| 39 |
#define SCSI_COND_MET 0x4 |
|
| 40 |
#define SCSI_BUSY 0x8 |
|
| 41 |
#define SCSI_INTERMEDIATE 0x10 |
|
| 42 |
#define SCSI_INTER_MET 0x14 |
|
| 43 |
#define SCSI_RES_CONFLICT 0x18 |
|
| 44 |
#define SCSI_CMD_TERMINATED 0x22 |
|
| 45 |
#define SCSI_QUEUE_FULL 0x28 |
|
| 46 |
#define SCSI_ACA_ACTIVE 0x30 |
|
| 47 |
#define SCSI_TASK_ABORTED 0x40 |
|
| 48 |
|
|
| 37 | 49 |
#define SCSI_DMA_BUF_SIZE 65536 |
| 38 | 50 |
|
| 39 | 51 |
typedef struct SCSIRequest {
|
| ... | ... | |
| 124 | 136 |
} |
| 125 | 137 |
|
| 126 | 138 |
/* Helper function for command completion. */ |
| 127 |
static void scsi_command_complete(SCSIRequest *r, int sense) |
|
| 139 |
static void scsi_command_complete(SCSIRequest *r, int status, int sense)
|
|
| 128 | 140 |
{
|
| 129 | 141 |
SCSIDeviceState *s = r->dev; |
| 130 | 142 |
uint32_t tag; |
| ... | ... | |
| 132 | 144 |
s->sense = sense; |
| 133 | 145 |
tag = r->tag; |
| 134 | 146 |
scsi_remove_request(r); |
| 135 |
s->completion(s->opaque, SCSI_REASON_DONE, tag, sense);
|
|
| 147 |
s->completion(s->opaque, SCSI_REASON_DONE, tag, status);
|
|
| 136 | 148 |
} |
| 137 | 149 |
|
| 138 | 150 |
/* Cancel a pending data transfer. */ |
| ... | ... | |
| 157 | 169 |
|
| 158 | 170 |
if (ret) {
|
| 159 | 171 |
DPRINTF("IO error\n");
|
| 160 |
scsi_command_complete(r, SENSE_HARDWARE_ERROR); |
|
| 172 |
scsi_command_complete(r, SCSI_CHECK_COND, SENSE_HARDWARE_ERROR);
|
|
| 161 | 173 |
return; |
| 162 | 174 |
} |
| 163 | 175 |
DPRINTF("Data ready tag=0x%x len=%d\n", r->tag, r->buf_len);
|
| ... | ... | |
| 175 | 187 |
r = scsi_find_request(s, tag); |
| 176 | 188 |
if (!r) {
|
| 177 | 189 |
BADF("Bad read tag 0x%x\n", tag);
|
| 178 |
/* ??? This is the wrong error. */ |
|
| 179 |
scsi_command_complete(r, SENSE_HARDWARE_ERROR); |
|
| 190 |
scsi_command_complete(r, SCSI_CHECK_COND, SENSE_HARDWARE_ERROR); |
|
| 180 | 191 |
return; |
| 181 | 192 |
} |
| 182 | 193 |
if (r->sector_count == (uint32_t)-1) {
|
| ... | ... | |
| 187 | 198 |
} |
| 188 | 199 |
DPRINTF("Read sector_count=%d\n", r->sector_count);
|
| 189 | 200 |
if (r->sector_count == 0) {
|
| 190 |
scsi_command_complete(r, SENSE_NO_SENSE); |
|
| 201 |
scsi_command_complete(r, SCSI_OK, SENSE_NO_SENSE);
|
|
| 191 | 202 |
return; |
| 192 | 203 |
} |
| 193 | 204 |
|
| ... | ... | |
| 199 | 210 |
r->aiocb = bdrv_aio_read(s->bdrv, r->sector, r->dma_buf, n, |
| 200 | 211 |
scsi_read_complete, r); |
| 201 | 212 |
if (r->aiocb == NULL) |
| 202 |
scsi_command_complete(r, SENSE_HARDWARE_ERROR); |
|
| 213 |
scsi_command_complete(r, SCSI_CHECK_COND, SENSE_HARDWARE_ERROR);
|
|
| 203 | 214 |
r->sector += n; |
| 204 | 215 |
r->sector_count -= n; |
| 205 | 216 |
} |
| ... | ... | |
| 217 | 228 |
|
| 218 | 229 |
r->aiocb = NULL; |
| 219 | 230 |
if (r->sector_count == 0) {
|
| 220 |
scsi_command_complete(r, SENSE_NO_SENSE); |
|
| 231 |
scsi_command_complete(r, SCSI_OK, SENSE_NO_SENSE);
|
|
| 221 | 232 |
} else {
|
| 222 | 233 |
len = r->sector_count * 512; |
| 223 | 234 |
if (len > SCSI_DMA_BUF_SIZE) {
|
| ... | ... | |
| 241 | 252 |
r = scsi_find_request(s, tag); |
| 242 | 253 |
if (!r) {
|
| 243 | 254 |
BADF("Bad write tag 0x%x\n", tag);
|
| 244 |
scsi_command_complete(r, SENSE_HARDWARE_ERROR); |
|
| 255 |
scsi_command_complete(r, SCSI_CHECK_COND, SENSE_HARDWARE_ERROR);
|
|
| 245 | 256 |
return 1; |
| 246 | 257 |
} |
| 247 | 258 |
if (r->aiocb) |
| ... | ... | |
| 251 | 262 |
r->aiocb = bdrv_aio_write(s->bdrv, r->sector, r->dma_buf, n, |
| 252 | 263 |
scsi_write_complete, r); |
| 253 | 264 |
if (r->aiocb == NULL) |
| 254 |
scsi_command_complete(r, SENSE_HARDWARE_ERROR); |
|
| 265 |
scsi_command_complete(r, SCSI_CHECK_COND, SENSE_HARDWARE_ERROR);
|
|
| 255 | 266 |
r->sector += n; |
| 256 | 267 |
r->sector_count -= n; |
| 257 | 268 |
} else {
|
| ... | ... | |
| 601 | 612 |
outbuf[7] = 0; |
| 602 | 613 |
r->buf_len = 8; |
| 603 | 614 |
} else {
|
| 604 |
scsi_command_complete(r, SENSE_NOT_READY); |
|
| 615 |
scsi_command_complete(r, SCSI_CHECK_COND, SENSE_NOT_READY);
|
|
| 605 | 616 |
return 0; |
| 606 | 617 |
} |
| 607 | 618 |
break; |
| ... | ... | |
| 688 | 699 |
default: |
| 689 | 700 |
DPRINTF("Unknown SCSI command (%2.2x)\n", buf[0]);
|
| 690 | 701 |
fail: |
| 691 |
scsi_command_complete(r, SENSE_ILLEGAL_REQUEST); |
|
| 702 |
scsi_command_complete(r, SCSI_CHECK_COND, SENSE_ILLEGAL_REQUEST);
|
|
| 692 | 703 |
return 0; |
| 693 | 704 |
} |
| 694 | 705 |
if (r->sector_count == 0 && r->buf_len == 0) {
|
| 695 |
scsi_command_complete(r, SENSE_NO_SENSE); |
|
| 706 |
scsi_command_complete(r, SCSI_OK, SENSE_NO_SENSE);
|
|
| 696 | 707 |
} |
| 697 | 708 |
len = r->sector_count * 512 + r->buf_len; |
| 698 | 709 |
if (is_write) {
|
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