From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48147) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZBGbu-0006ZU-J0 for qemu-devel@nongnu.org; Sat, 04 Jul 2015 02:07:35 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZBGbt-0003ZV-8n for qemu-devel@nongnu.org; Sat, 04 Jul 2015 02:07:34 -0400 Received: from mx1.redhat.com ([209.132.183.28]:33250) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZBGbs-0003Z8-Uw for qemu-devel@nongnu.org; Sat, 04 Jul 2015 02:07:33 -0400 From: John Snow Date: Sat, 4 Jul 2015 02:07:02 -0400 Message-Id: <1435990034-8945-24-git-send-email-jsnow@redhat.com> In-Reply-To: <1435990034-8945-1-git-send-email-jsnow@redhat.com> References: <1435990034-8945-1-git-send-email-jsnow@redhat.com> Subject: [Qemu-devel] [PULL 23/35] ahci: assert is_ncq for process_ncq List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, jsnow@redhat.com We already checked this in the handle_cmd phase, so just change this to an assertion and simplify the error logic. (Also, fix the switch indent, because checkpatch.pl yelled.) ((Sorry for churn.)) Signed-off-by: John Snow Reviewed-by: Stefan Hajnoczi Message-id: 1435767578-32743-4-git-send-email-jsnow@redhat.com --- hw/ide/ahci.c | 60 ++++++++++++++++++++++++++--------------------------------- 1 file changed, 26 insertions(+), 34 deletions(-) diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c index 9540a64..8171f39 100644 --- a/hw/ide/ahci.c +++ b/hw/ide/ahci.c @@ -987,6 +987,7 @@ static void process_ncq_command(AHCIState *s, int port, uint8_t *cmd_fis, NCQTransferState *ncq_tfs = &ad->ncq_tfs[tag]; size_t size; + g_assert(is_ncq(ncq_fis->command)); if (ncq_tfs->used) { /* error - already in use */ fprintf(stderr, "%s: tag %d already used\n", __FUNCTION__, tag); @@ -1049,44 +1050,35 @@ static void process_ncq_command(AHCIState *s, int port, uint8_t *cmd_fis, ide_state->nb_sectors - 1); switch (ncq_tfs->cmd) { - case READ_FPDMA_QUEUED: - DPRINTF(port, "NCQ reading %d sectors from LBA %"PRId64", " - "tag %d\n", - ncq_tfs->sector_count, ncq_tfs->lba, ncq_tfs->tag); + case READ_FPDMA_QUEUED: + DPRINTF(port, "NCQ reading %d sectors from LBA %"PRId64", tag %d\n", + ncq_tfs->sector_count, ncq_tfs->lba, ncq_tfs->tag); - DPRINTF(port, "tag %d aio read %"PRId64"\n", - ncq_tfs->tag, ncq_tfs->lba); + DPRINTF(port, "tag %d aio read %"PRId64"\n", + ncq_tfs->tag, ncq_tfs->lba); - dma_acct_start(ide_state->blk, &ncq_tfs->acct, - &ncq_tfs->sglist, BLOCK_ACCT_READ); - ncq_tfs->aiocb = dma_blk_read(ide_state->blk, - &ncq_tfs->sglist, ncq_tfs->lba, - ncq_cb, ncq_tfs); - break; - case WRITE_FPDMA_QUEUED: - DPRINTF(port, "NCQ writing %d sectors to LBA %"PRId64", tag %d\n", - ncq_tfs->sector_count, ncq_tfs->lba, ncq_tfs->tag); + dma_acct_start(ide_state->blk, &ncq_tfs->acct, + &ncq_tfs->sglist, BLOCK_ACCT_READ); + ncq_tfs->aiocb = dma_blk_read(ide_state->blk, &ncq_tfs->sglist, + ncq_tfs->lba, ncq_cb, ncq_tfs); + break; + case WRITE_FPDMA_QUEUED: + DPRINTF(port, "NCQ writing %d sectors to LBA %"PRId64", tag %d\n", + ncq_tfs->sector_count, ncq_tfs->lba, ncq_tfs->tag); - DPRINTF(port, "tag %d aio write %"PRId64"\n", - ncq_tfs->tag, ncq_tfs->lba); + DPRINTF(port, "tag %d aio write %"PRId64"\n", + ncq_tfs->tag, ncq_tfs->lba); - dma_acct_start(ide_state->blk, &ncq_tfs->acct, - &ncq_tfs->sglist, BLOCK_ACCT_WRITE); - ncq_tfs->aiocb = dma_blk_write(ide_state->blk, - &ncq_tfs->sglist, ncq_tfs->lba, - ncq_cb, ncq_tfs); - break; - default: - if (is_ncq(cmd_fis[2])) { - DPRINTF(port, - "error: unsupported NCQ command (0x%02x) received\n", - cmd_fis[2]); - } else { - DPRINTF(port, - "error: tried to process non-NCQ command as NCQ\n"); - } - qemu_sglist_destroy(&ncq_tfs->sglist); - ncq_err(ncq_tfs); + dma_acct_start(ide_state->blk, &ncq_tfs->acct, + &ncq_tfs->sglist, BLOCK_ACCT_WRITE); + ncq_tfs->aiocb = dma_blk_write(ide_state->blk, &ncq_tfs->sglist, + ncq_tfs->lba, ncq_cb, ncq_tfs); + break; + default: + DPRINTF(port, "error: unsupported NCQ command (0x%02x) received\n", + ncq_tfs->cmd); + qemu_sglist_destroy(&ncq_tfs->sglist); + ncq_err(ncq_tfs); } } -- 2.1.0