diff options
Diffstat (limited to 'hw/esp.c')
-rw-r--r-- | hw/esp.c | 62 |
1 files changed, 34 insertions, 28 deletions
@@ -395,38 +395,43 @@ static void esp_do_dma(ESPState *s) esp_dma_done(s); } -static void esp_command_complete(SCSIRequest *req, int reason, uint32_t arg) +static void esp_command_complete(SCSIRequest *req, uint32_t arg) { ESPState *s = DO_UPCAST(ESPState, busdev.qdev, req->bus->qbus.parent); - if (reason == SCSI_REASON_DONE) { - DPRINTF("SCSI Command complete\n"); - if (s->ti_size != 0) - DPRINTF("SCSI command completed unexpectedly\n"); - s->ti_size = 0; - s->dma_left = 0; - s->async_len = 0; - if (arg) - DPRINTF("Command failed\n"); - s->status = arg; - s->rregs[ESP_RSTAT] = STAT_ST; + DPRINTF("SCSI Command complete\n"); + if (s->ti_size != 0) { + DPRINTF("SCSI command completed unexpectedly\n"); + } + s->ti_size = 0; + s->dma_left = 0; + s->async_len = 0; + if (arg) { + DPRINTF("Command failed\n"); + } + s->status = arg; + s->rregs[ESP_RSTAT] = STAT_ST; + esp_dma_done(s); + if (s->current_req) { + scsi_req_unref(s->current_req); + s->current_req = NULL; + s->current_dev = NULL; + } +} + +static void esp_transfer_data(SCSIRequest *req, uint32_t arg) +{ + ESPState *s = DO_UPCAST(ESPState, busdev.qdev, req->bus->qbus.parent); + + DPRINTF("transfer %d/%d\n", s->dma_left, s->ti_size); + s->async_len = arg; + s->async_buf = scsi_req_get_buf(req); + if (s->dma_left) { + esp_do_dma(s); + } else if (s->dma_counter != 0 && s->ti_size <= 0) { + /* If this was the last part of a DMA transfer then the + completion interrupt is deferred to here. */ esp_dma_done(s); - if (s->current_req) { - scsi_req_unref(s->current_req); - s->current_req = NULL; - s->current_dev = NULL; - } - } else { - DPRINTF("transfer %d/%d\n", s->dma_left, s->ti_size); - s->async_len = arg; - s->async_buf = scsi_req_get_buf(req); - if (s->dma_left) { - esp_do_dma(s); - } else if (s->dma_counter != 0 && s->ti_size <= 0) { - /* If this was the last part of a DMA transfer then the - completion interrupt is deferred to here. */ - esp_dma_done(s); - } } } @@ -725,6 +730,7 @@ void esp_init(target_phys_addr_t espaddr, int it_shift, } static const struct SCSIBusOps esp_scsi_ops = { + .transfer_data = esp_transfer_data, .complete = esp_command_complete, .cancel = esp_request_cancelled }; |