diff options
| author | Philippe Mathieu-Daudé <philmd@redhat.com> | 2021-12-15 23:02:21 +0100 |
|---|---|---|
| committer | Philippe Mathieu-Daudé <philmd@redhat.com> | 2021-12-31 01:05:27 +0100 |
| commit | 392e48af3468d7f8e49db33fdc9e28b5f99276ce (patch) | |
| tree | 274618168e58c5ec08008eb8bd1ef3a011946c63 /hw | |
| parent | 959384e74e1b508acc3af6e806b3d7b87335fc2a (diff) | |
| download | qemu-392e48af3468d7f8e49db33fdc9e28b5f99276ce.zip qemu-392e48af3468d7f8e49db33fdc9e28b5f99276ce.tar.gz qemu-392e48af3468d7f8e49db33fdc9e28b5f99276ce.tar.bz2 | |
dma: Let dma_buf_write() take MemTxAttrs argument
Let devices specify transaction attributes when calling
dma_buf_write().
Keep the default MEMTXATTRS_UNSPECIFIED in the few callers.
Reviewed-by: Klaus Jensen <k.jensen@samsung.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20211223115554.3155328-12-philmd@redhat.com>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/ide/ahci.c | 6 | ||||
| -rw-r--r-- | hw/nvme/ctrl.c | 3 | ||||
| -rw-r--r-- | hw/scsi/megasas.c | 2 | ||||
| -rw-r--r-- | hw/scsi/scsi-bus.c | 2 |
4 files changed, 8 insertions, 5 deletions
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c index 8e77ddb..079d297 100644 --- a/hw/ide/ahci.c +++ b/hw/ide/ahci.c @@ -1381,8 +1381,10 @@ static void ahci_pio_transfer(const IDEDMA *dma) has_sglist ? "" : "o"); if (has_sglist && size) { + const MemTxAttrs attrs = MEMTXATTRS_UNSPECIFIED; + if (is_write) { - dma_buf_write(s->data_ptr, size, &s->sg); + dma_buf_write(s->data_ptr, size, &s->sg, attrs); } else { dma_buf_read(s->data_ptr, size, &s->sg); } @@ -1479,7 +1481,7 @@ static int ahci_dma_rw_buf(const IDEDMA *dma, bool is_write) if (is_write) { dma_buf_read(p, l, &s->sg); } else { - dma_buf_write(p, l, &s->sg); + dma_buf_write(p, l, &s->sg, MEMTXATTRS_UNSPECIFIED); } /* free sglist, update byte count */ diff --git a/hw/nvme/ctrl.c b/hw/nvme/ctrl.c index 5f573c4..e1a531d 100644 --- a/hw/nvme/ctrl.c +++ b/hw/nvme/ctrl.c @@ -1146,10 +1146,11 @@ static uint16_t nvme_tx(NvmeCtrl *n, NvmeSg *sg, uint8_t *ptr, uint32_t len, assert(sg->flags & NVME_SG_ALLOC); if (sg->flags & NVME_SG_DMA) { + const MemTxAttrs attrs = MEMTXATTRS_UNSPECIFIED; uint64_t residual; if (dir == NVME_TX_DIRECTION_TO_DEVICE) { - residual = dma_buf_write(ptr, len, &sg->qsg); + residual = dma_buf_write(ptr, len, &sg->qsg, attrs); } else { residual = dma_buf_read(ptr, len, &sg->qsg); } diff --git a/hw/scsi/megasas.c b/hw/scsi/megasas.c index 2dae33f..79fd14c 100644 --- a/hw/scsi/megasas.c +++ b/hw/scsi/megasas.c @@ -1465,7 +1465,7 @@ static int megasas_dcmd_set_properties(MegasasState *s, MegasasCmd *cmd) dcmd_size); return MFI_STAT_INVALID_PARAMETER; } - dma_buf_write(&info, dcmd_size, &cmd->qsg); + dma_buf_write(&info, dcmd_size, &cmd->qsg, MEMTXATTRS_UNSPECIFIED); trace_megasas_dcmd_unsupported(cmd->index, cmd->iov_size); return MFI_STAT_OK; } diff --git a/hw/scsi/scsi-bus.c b/hw/scsi/scsi-bus.c index 77325d8..64a506a 100644 --- a/hw/scsi/scsi-bus.c +++ b/hw/scsi/scsi-bus.c @@ -1423,7 +1423,7 @@ void scsi_req_data(SCSIRequest *req, int len) if (req->cmd.mode == SCSI_XFER_FROM_DEV) { req->resid = dma_buf_read(buf, len, req->sg); } else { - req->resid = dma_buf_write(buf, len, req->sg); + req->resid = dma_buf_write(buf, len, req->sg, MEMTXATTRS_UNSPECIFIED); } scsi_req_continue(req); } |