Revision aba1f023 hw/lsi53c895a.c
| b/hw/lsi53c895a.c | ||
|---|---|---|
| 680 | 680 |
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| 681 | 681 |
/* Record that data is available for a queued command. Returns zero if |
| 682 | 682 |
the device was reselected, nonzero if the IO is deferred. */ |
| 683 |
static int lsi_queue_tag(LSIState *s, uint32_t tag, uint32_t arg)
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| 683 |
static int lsi_queue_tag(LSIState *s, uint32_t tag, uint32_t len)
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| 684 | 684 |
{
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| 685 | 685 |
lsi_request *p; |
| 686 | 686 |
|
| ... | ... | |
| 693 | 693 |
if (p->pending) {
|
| 694 | 694 |
BADF("Multiple IO pending for tag %d\n", tag);
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| 695 | 695 |
} |
| 696 |
p->pending = arg;
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| 696 |
p->pending = len;
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| 697 | 697 |
/* Reselect if waiting for it, or if reselection triggers an IRQ |
| 698 | 698 |
and the bus is free. |
| 699 | 699 |
Since no interrupt stacking is implemented in the emulation, it |
| ... | ... | |
| 707 | 707 |
return 0; |
| 708 | 708 |
} else {
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| 709 | 709 |
DPRINTF("Queueing IO tag=0x%x\n", tag);
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| 710 |
p->pending = arg;
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|
| 710 |
p->pending = len;
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return 1; |
| 712 | 712 |
} |
| 713 | 713 |
} |
| 714 | 714 |
|
| 715 | 715 |
/* Callback to indicate that the SCSI layer has completed a command. */ |
| 716 |
static void lsi_command_complete(SCSIRequest *req, uint32_t arg)
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| 716 |
static void lsi_command_complete(SCSIRequest *req, uint32_t status)
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| 717 | 717 |
{
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| 718 | 718 |
LSIState *s = DO_UPCAST(LSIState, dev.qdev, req->bus->qbus.parent); |
| 719 | 719 |
int out; |
| 720 | 720 |
|
| 721 | 721 |
out = (s->sstat1 & PHASE_MASK) == PHASE_DO; |
| 722 |
DPRINTF("Command complete status=%d\n", (int)arg);
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| 723 |
s->status = arg;
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| 722 |
DPRINTF("Command complete status=%d\n", (int)status);
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| 723 |
s->status = status;
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| 724 | 724 |
s->command_complete = 2; |
| 725 | 725 |
if (s->waiting && s->dbc != 0) {
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| 726 | 726 |
/* Raise phase mismatch for short transfers. */ |
| ... | ... | |
| 738 | 738 |
} |
| 739 | 739 |
|
| 740 | 740 |
/* Callback to indicate that the SCSI layer has completed a transfer. */ |
| 741 |
static void lsi_transfer_data(SCSIRequest *req, uint32_t arg)
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| 741 |
static void lsi_transfer_data(SCSIRequest *req, uint32_t len)
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| 742 | 742 |
{
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| 743 | 743 |
LSIState *s = DO_UPCAST(LSIState, dev.qdev, req->bus->qbus.parent); |
| 744 | 744 |
int out; |
| 745 | 745 |
|
| 746 | 746 |
if (s->waiting == 1 || !s->current || req->tag != s->current->tag || |
| 747 | 747 |
(lsi_irq_on_rsl(s) && !(s->scntl1 & LSI_SCNTL1_CON))) {
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| 748 |
if (lsi_queue_tag(s, req->tag, arg)) {
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| 748 |
if (lsi_queue_tag(s, req->tag, len)) {
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| 749 | 749 |
return; |
| 750 | 750 |
} |
| 751 | 751 |
} |
| ... | ... | |
| 753 | 753 |
out = (s->sstat1 & PHASE_MASK) == PHASE_DO; |
| 754 | 754 |
|
| 755 | 755 |
/* host adapter (re)connected */ |
| 756 |
DPRINTF("Data ready tag=0x%x len=%d\n", req->tag, arg);
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| 757 |
s->current->dma_len = arg;
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| 756 |
DPRINTF("Data ready tag=0x%x len=%d\n", req->tag, len);
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| 757 |
s->current->dma_len = len;
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| 758 | 758 |
s->command_complete = 1; |
| 759 | 759 |
if (s->waiting) {
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| 760 | 760 |
if (s->waiting == 1 || s->dbc == 0) {
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