Revision c6df7102 hw/spapr_vscsi.c
| b/hw/spapr_vscsi.c | ||
|---|---|---|
| 480 | 480 |
} |
| 481 | 481 |
|
| 482 | 482 |
/* Callback to indicate that the SCSI layer has completed a transfer. */ |
| 483 |
static void vscsi_command_complete(SCSIRequest *sreq, int reason, uint32_t arg)
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|
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static void vscsi_transfer_data(SCSIRequest *sreq, uint32_t arg)
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|
| 484 | 484 |
{
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| 485 | 485 |
VSCSIState *s = DO_UPCAST(VSCSIState, vdev.qdev, sreq->bus->qbus.parent); |
| 486 | 486 |
vscsi_req *req = vscsi_find_req(s, sreq); |
| 487 | 487 |
uint8_t *buf; |
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int32_t res_in = 0, res_out = 0; |
|
| 489 | 488 |
int len, rc = 0; |
| 490 | 489 |
|
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dprintf("VSCSI: SCSI cmd complete, r=0x%x tag=0x%x arg=0x%x, req=%p\n",
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reason, sreq->tag, arg, req);
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dprintf("VSCSI: SCSI xfer complete tag=0x%x arg=0x%x, req=%p\n",
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sreq->tag, arg, req); |
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| 493 | 492 |
if (req == NULL) {
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| 494 | 493 |
fprintf(stderr, "VSCSI: Can't find request for tag 0x%x\n", sreq->tag); |
| 495 | 494 |
return; |
| 496 | 495 |
} |
| 497 | 496 |
|
| 498 | 497 |
if (req->sensing) {
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if (reason == SCSI_REASON_DONE) {
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dprintf("VSCSI: Sense done !\n");
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vscsi_send_rsp(s, req, CHECK_CONDITION, 0, 0); |
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vscsi_put_req(s, req); |
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} else {
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uint8_t *buf = scsi_req_get_buf(sreq); |
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len = MIN(arg, SCSI_SENSE_BUF_SIZE); |
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dprintf("VSCSI: Sense data, %d bytes:\n", len);
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dprintf(" %02x %02x %02x %02x %02x %02x %02x %02x\n",
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buf[0], buf[1], buf[2], buf[3], |
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buf[4], buf[5], buf[6], buf[7]); |
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dprintf(" %02x %02x %02x %02x %02x %02x %02x %02x\n",
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buf[8], buf[9], buf[10], buf[11], |
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buf[12], buf[13], buf[14], buf[15]); |
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memcpy(req->sense, buf, len); |
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req->senselen = len; |
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scsi_req_continue(req->sreq); |
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} |
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return; |
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} |
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if (reason == SCSI_REASON_DONE) {
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dprintf("VSCSI: Command complete err=%d\n", arg);
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if (arg == 0) {
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/* We handle overflows, not underflows for normal commands, |
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* but hopefully nobody cares |
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*/ |
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if (req->writing) {
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res_out = req->data_len; |
|
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} else {
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res_in = req->data_len; |
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} |
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vscsi_send_rsp(s, req, 0, res_in, res_out); |
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} else if (arg == CHECK_CONDITION) {
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vscsi_send_request_sense(s, req); |
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return; |
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} else {
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vscsi_send_rsp(s, req, arg, 0, 0); |
|
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} |
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vscsi_put_req(s, req); |
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uint8_t *buf = scsi_req_get_buf(sreq); |
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len = MIN(arg, SCSI_SENSE_BUF_SIZE); |
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dprintf("VSCSI: Sense data, %d bytes:\n", len);
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dprintf(" %02x %02x %02x %02x %02x %02x %02x %02x\n",
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buf[0], buf[1], buf[2], buf[3], |
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buf[4], buf[5], buf[6], buf[7]); |
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dprintf(" %02x %02x %02x %02x %02x %02x %02x %02x\n",
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buf[8], buf[9], buf[10], buf[11], |
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buf[12], buf[13], buf[14], buf[15]); |
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memcpy(req->sense, buf, len); |
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req->senselen = len; |
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scsi_req_continue(req->sreq); |
|
| 540 | 511 |
return; |
| 541 | 512 |
} |
| 542 | 513 |
|
| ... | ... | |
| 559 | 530 |
scsi_req_continue(sreq); |
| 560 | 531 |
} |
| 561 | 532 |
|
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/* Callback to indicate that the SCSI layer has completed a transfer. */ |
|
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static void vscsi_command_complete(SCSIRequest *sreq, uint32_t arg) |
|
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{
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VSCSIState *s = DO_UPCAST(VSCSIState, vdev.qdev, sreq->bus->qbus.parent); |
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vscsi_req *req = vscsi_find_req(s, sreq); |
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int32_t res_in = 0, res_out = 0; |
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dprintf("VSCSI: SCSI cmd complete, r=0x%x tag=0x%x arg=0x%x, req=%p\n",
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reason, sreq->tag, arg, req); |
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if (req == NULL) {
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fprintf(stderr, "VSCSI: Can't find request for tag 0x%x\n", sreq->tag); |
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return; |
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} |
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|
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if (!req->sensing && arg == CHECK_CONDITION) {
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vscsi_send_request_sense(s, req); |
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return; |
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} |
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|
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if (req->sensing) {
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dprintf("VSCSI: Sense done !\n");
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arg = CHECK_CONDITION; |
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} else {
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dprintf("VSCSI: Command complete err=%d\n", arg);
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if (arg == 0) {
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/* We handle overflows, not underflows for normal commands, |
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* but hopefully nobody cares |
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*/ |
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if (req->writing) {
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res_out = req->data_len; |
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} else {
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res_in = req->data_len; |
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} |
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} |
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} |
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vscsi_send_rsp(s, req, 0, res_in, res_out); |
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vscsi_put_req(s, req); |
|
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} |
|
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|
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| 562 | 572 |
static void vscsi_request_cancelled(SCSIRequest *sreq) |
| 563 | 573 |
{
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| 564 | 574 |
VSCSIState *s = DO_UPCAST(VSCSIState, vdev.qdev, sreq->bus->qbus.parent); |
| ... | ... | |
| 916 | 926 |
} |
| 917 | 927 |
|
| 918 | 928 |
static const struct SCSIBusOps vscsi_scsi_ops = {
|
| 929 |
.transfer_data = vscsi_transfer_data, |
|
| 919 | 930 |
.complete = vscsi_command_complete, |
| 920 | 931 |
.cancel = vscsi_request_cancelled |
| 921 | 932 |
}; |
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