diff options
Diffstat (limited to 'hw/lsi53c895a.c')
-rw-r--r-- | hw/lsi53c895a.c | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c index 595799b494..5b32e5f80a 100644 --- a/hw/lsi53c895a.c +++ b/hw/lsi53c895a.c @@ -175,6 +175,7 @@ do { fprintf(stderr, "lsi_scsi: error: " fmt , ## __VA_ARGS__);} while (0) typedef struct lsi_request { uint32_t tag; + SCSIDevice *dev; uint32_t pending; int out; QTAILQ_ENTRY(lsi_request) next; @@ -199,7 +200,7 @@ typedef struct { * 3 if a DMA operation is in progress. */ int waiting; SCSIBus bus; - SCSIDevice *current_dev; + SCSIDevice *select_dev; int current_lun; /* The tag is a combination of the device ID and the SCSI tag. */ uint32_t select_tag; @@ -533,8 +534,8 @@ static void lsi_do_dma(LSIState *s, int out) s->dbc -= count; if (s->dma_buf == NULL) { - s->dma_buf = s->current_dev->info->get_buf(s->current_dev, - s->current->tag); + s->dma_buf = s->current->dev->info->get_buf(s->current->dev, + s->current->tag); } /* ??? Set SFBR to first data byte. */ @@ -548,10 +549,10 @@ static void lsi_do_dma(LSIState *s, int out) s->dma_buf = NULL; if (out) { /* Write the data. */ - s->current_dev->info->write_data(s->current_dev, s->current->tag); + s->current->dev->info->write_data(s->current->dev, s->current->tag); } else { /* Request any remaining data. */ - s->current_dev->info->read_data(s->current_dev, s->current->tag); + s->current->dev->info->read_data(s->current->dev, s->current->tag); } } else { s->dma_buf += count; @@ -610,7 +611,6 @@ static void lsi_reselect(LSIState *s, uint32_t tag) s->sfbr = 1 << (id & 0x7); } DPRINTF("Reselected target %d\n", id); - s->current_dev = s->bus.devs[id]; s->scntl1 |= LSI_SCNTL1_CON; lsi_set_phase(s, PHASE_MI); s->msg_action = p->out ? 2 : 3; @@ -721,15 +721,16 @@ static void lsi_do_command(LSIState *s) assert(s->current == NULL); s->current = qemu_mallocz(sizeof(lsi_request)); s->current->tag = s->select_tag; + s->current->dev = s->select_dev; - n = s->current_dev->info->send_command(s->current_dev, s->current->tag, buf, - s->current_lun); + n = s->current->dev->info->send_command(s->current->dev, s->current->tag, buf, + s->current_lun); if (n > 0) { lsi_set_phase(s, PHASE_DI); - s->current_dev->info->read_data(s->current_dev, s->current->tag); + s->current->dev->info->read_data(s->current->dev, s->current->tag); } else if (n < 0) { lsi_set_phase(s, PHASE_DO); - s->current_dev->info->write_data(s->current_dev, s->current->tag); + s->current->dev->info->write_data(s->current->dev, s->current->tag); } if (!s->command_complete) { @@ -1096,7 +1097,7 @@ again: /* ??? Linux drivers compain when this is set. Maybe it only applies in low-level mode (unimplemented). lsi_script_scsi_interrupt(s, LSI_SIST0_CMP, 0); */ - s->current_dev = s->bus.devs[id]; + s->select_dev = s->bus.devs[id]; s->select_tag = id << 8; s->scntl1 |= LSI_SCNTL1_CON; if (insn & (1 << 3)) { |