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authorMark Cave-Ayland <mark.cave-ayland@ilande.co.uk>2016-10-27 16:29:13 -0400
committerMichael Roth <mdroth@linux.vnet.ibm.com>2016-12-21 09:27:59 -0600
commit8d5f2a75702b1975f8f2f2b866bde0b60493e3c3 (patch)
tree27f6ae9841c32d8ef24217d6500882ac9620165a /hw
parent5f20161cf30a7f4e543578177887c9c02747ce27 (diff)
downloadqemu-8d5f2a75702b1975f8f2f2b866bde0b60493e3c3.tar.gz
dma-helpers: explicitly pass alignment into DMA helpers
The hard-coded default alignment is BDRV_SECTOR_SIZE, however this is not necessarily the case for all platforms. Use this as the default alignment for all current callers. Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk> Reviewed-by: Eric Blake <eblake@redhat.com> Acked-by: John Snow <jsnow@redhat.com> Message-id: 1476445266-27503-2-git-send-email-mark.cave-ayland@ilande.co.uk Signed-off-by: John Snow <jsnow@redhat.com> (cherry picked from commit 99868af3d0a75cf6a515a9aa81bf0d7bcb39eadb) Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/block/nvme.c6
-rw-r--r--hw/ide/ahci.c2
-rw-r--r--hw/ide/core.c6
-rw-r--r--hw/scsi/scsi-disk.c2
4 files changed, 11 insertions, 5 deletions
diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index cef3bb42f1..b380142028 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -258,8 +258,10 @@ static uint16_t nvme_rw(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd,
req->has_sg = true;
dma_acct_start(n->conf.blk, &req->acct, &req->qsg, acct);
req->aiocb = is_write ?
- dma_blk_write(n->conf.blk, &req->qsg, data_offset, nvme_rw_cb, req) :
- dma_blk_read(n->conf.blk, &req->qsg, data_offset, nvme_rw_cb, req);
+ dma_blk_write(n->conf.blk, &req->qsg, data_offset, BDRV_SECTOR_SIZE,
+ nvme_rw_cb, req) :
+ dma_blk_read(n->conf.blk, &req->qsg, data_offset, BDRV_SECTOR_SIZE,
+ nvme_rw_cb, req);
return NVME_NO_COMPLETE;
}
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
index 63ead21047..3c19bdadc5 100644
--- a/hw/ide/ahci.c
+++ b/hw/ide/ahci.c
@@ -1009,6 +1009,7 @@ static void execute_ncq_command(NCQTransferState *ncq_tfs)
&ncq_tfs->sglist, BLOCK_ACCT_READ);
ncq_tfs->aiocb = dma_blk_read(ide_state->blk, &ncq_tfs->sglist,
ncq_tfs->lba << BDRV_SECTOR_BITS,
+ BDRV_SECTOR_SIZE,
ncq_cb, ncq_tfs);
break;
case WRITE_FPDMA_QUEUED:
@@ -1022,6 +1023,7 @@ static void execute_ncq_command(NCQTransferState *ncq_tfs)
&ncq_tfs->sglist, BLOCK_ACCT_WRITE);
ncq_tfs->aiocb = dma_blk_write(ide_state->blk, &ncq_tfs->sglist,
ncq_tfs->lba << BDRV_SECTOR_BITS,
+ BDRV_SECTOR_SIZE,
ncq_cb, ncq_tfs);
break;
default:
diff --git a/hw/ide/core.c b/hw/ide/core.c
index 45b6df132c..9130c4cff3 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -882,15 +882,15 @@ static void ide_dma_cb(void *opaque, int ret)
switch (s->dma_cmd) {
case IDE_DMA_READ:
s->bus->dma->aiocb = dma_blk_read(s->blk, &s->sg, offset,
- ide_dma_cb, s);
+ BDRV_SECTOR_SIZE, ide_dma_cb, s);
break;
case IDE_DMA_WRITE:
s->bus->dma->aiocb = dma_blk_write(s->blk, &s->sg, offset,
- ide_dma_cb, s);
+ BDRV_SECTOR_SIZE, ide_dma_cb, s);
break;
case IDE_DMA_TRIM:
s->bus->dma->aiocb = dma_blk_io(blk_get_aio_context(s->blk),
- &s->sg, offset,
+ &s->sg, offset, BDRV_SECTOR_SIZE,
ide_issue_trim, s->blk, ide_dma_cb, s,
DMA_DIRECTION_TO_DEVICE);
break;
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index f1b115c5a4..3f8b1d29e8 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -341,6 +341,7 @@ static void scsi_do_read(SCSIDiskReq *r, int ret)
r->req.resid -= r->req.sg->size;
r->req.aiocb = dma_blk_io(blk_get_aio_context(s->qdev.conf.blk),
r->req.sg, r->sector << BDRV_SECTOR_BITS,
+ BDRV_SECTOR_SIZE,
sdc->dma_readv, r, scsi_dma_complete, r,
DMA_DIRECTION_FROM_DEVICE);
} else {
@@ -539,6 +540,7 @@ static void scsi_write_data(SCSIRequest *req)
r->req.resid -= r->req.sg->size;
r->req.aiocb = dma_blk_io(blk_get_aio_context(s->qdev.conf.blk),
r->req.sg, r->sector << BDRV_SECTOR_BITS,
+ BDRV_SECTOR_SIZE,
sdc->dma_writev, r, scsi_dma_complete, r,
DMA_DIRECTION_TO_DEVICE);
} else {