diff options
Diffstat (limited to 'hw/ide/ahci.c')
| -rw-r--r-- | hw/ide/ahci.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c index 571e32dd66..f25bef501d 100644 --- a/hw/ide/ahci.c +++ b/hw/ide/ahci.c @@ -1259,7 +1259,6 @@ static void handle_reg_h2d_fis(AHCIState *s, int port, g_free(pretty_fis); } s->dev[port].done_atapi_packet = false; - /* XXX send PIO setup FIS */ } ide_state->error = 0; @@ -1353,10 +1352,12 @@ static void ahci_start_transfer(IDEDMA *dma) int is_atapi = opts & AHCI_CMD_ATAPI; int has_sglist = 0; + /* PIO FIS gets written prior to transfer */ + ahci_write_fis_pio(ad, size); + if (is_atapi && !ad->done_atapi_packet) { /* already prepopulated iobuffer */ ad->done_atapi_packet = true; - size = 0; goto out; } @@ -1376,19 +1377,12 @@ static void ahci_start_transfer(IDEDMA *dma) } } + /* Update number of transferred bytes, destroy sglist */ + dma_buf_commit(s, size); out: /* declare that we processed everything */ s->data_ptr = s->data_end; - - /* Update number of transferred bytes, destroy sglist */ - dma_buf_commit(s, size); - s->end_transfer_func(s); - - if (!(s->status & DRQ_STAT)) { - /* done with PIO send/receive */ - ahci_write_fis_pio(ad, le32_to_cpu(ad->cur_cmd->status)); - } } static void ahci_start_dma(IDEDMA *dma, IDEState *s, |