dma-helpers: change interface to byte-based

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

4 files changed, 16 insertions, 10 deletions

diff --git a/hw/block/nvme.c b/hw/block/nvme.c
index 173988ee84..9faad29fad 100644
--- a/hw/block/nvme.c
+++ b/hw/block/nvme.c
@@ -239,7 +239,7 @@ static uint16_t nvme_rw(NvmeCtrl *n, NvmeNamespace *ns, NvmeCmd *cmd,
     uint8_t lba_index  = NVME_ID_NS_FLBAS_INDEX(ns->id_ns.flbas);
     uint8_t data_shift = ns->id_ns.lbaf[lba_index].ds;
     uint64_t data_size = (uint64_t)nlb << data_shift;
-    uint64_t aio_slba  = slba << (data_shift - BDRV_SECTOR_BITS);
+    uint64_t data_offset = slba << data_shift;
     int is_write = rw->opcode == NVME_CMD_WRITE ? 1 : 0;
     enum BlockAcctType acct = is_write ? BLOCK_ACCT_WRITE : BLOCK_ACCT_READ;
 
@@ -258,8 +258,8 @@ 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, aio_slba, nvme_rw_cb, req) :
-        dma_blk_read(n->conf.blk, &req->qsg, aio_slba, nvme_rw_cb, req);
+        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);
 
     return NVME_NO_COMPLETE;
 }
diff --git a/hw/ide/ahci.c b/hw/ide/ahci.c
index f244bc01c9..502d4f1c7b 100644
--- a/hw/ide/ahci.c
+++ b/hw/ide/ahci.c
@@ -1006,7 +1006,8 @@ static void execute_ncq_command(NCQTransferState *ncq_tfs)
         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);
+                                      ncq_tfs->lba << BDRV_SECTOR_BITS,
+                                      ncq_cb, ncq_tfs);
         break;
     case WRITE_FPDMA_QUEUED:
         DPRINTF(port, "NCQ writing %d sectors to LBA %"PRId64", tag %d\n",
@@ -1018,7 +1019,8 @@ static void execute_ncq_command(NCQTransferState *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);
+                                       ncq_tfs->lba << BDRV_SECTOR_BITS,
+                                       ncq_cb, ncq_tfs);
         break;
     default:
         DPRINTF(port, "error: unsupported NCQ command (0x%02x) received\n",
diff --git a/hw/ide/core.c b/hw/ide/core.c
index fe2bfba489..7326189d17 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -799,6 +799,7 @@ static void ide_dma_cb(void *opaque, int ret)
     IDEState *s = opaque;
     int n;
     int64_t sector_num;
+    uint64_t offset;
     bool stay_active = false;
 
     if (ret == -ECANCELED) {
@@ -859,17 +860,18 @@ static void ide_dma_cb(void *opaque, int ret)
         return;
     }
 
+    offset = sector_num << BDRV_SECTOR_BITS;
     switch (s->dma_cmd) {
     case IDE_DMA_READ:
-        s->bus->dma->aiocb = dma_blk_read(s->blk, &s->sg, sector_num,
+        s->bus->dma->aiocb = dma_blk_read(s->blk, &s->sg, offset,
                                           ide_dma_cb, s);
         break;
     case IDE_DMA_WRITE:
-        s->bus->dma->aiocb = dma_blk_write(s->blk, &s->sg, sector_num,
+        s->bus->dma->aiocb = dma_blk_write(s->blk, &s->sg, offset,
                                            ide_dma_cb, s);
         break;
     case IDE_DMA_TRIM:
-        s->bus->dma->aiocb = dma_blk_io(s->blk, &s->sg, sector_num,
+        s->bus->dma->aiocb = dma_blk_io(s->blk, &s->sg, offset,
                                         ide_issue_trim, ide_dma_cb, s,
                                         DMA_DIRECTION_TO_DEVICE);
         break;
diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index ce89c98b4e..c374ea80d0 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -335,7 +335,8 @@ static void scsi_do_read(SCSIDiskReq *r, int ret)
     if (r->req.sg) {
         dma_acct_start(s->qdev.conf.blk, &r->acct, r->req.sg, BLOCK_ACCT_READ);
         r->req.resid -= r->req.sg->size;
-        r->req.aiocb = dma_blk_read(s->qdev.conf.blk, r->req.sg, r->sector,
+        r->req.aiocb = dma_blk_read(s->qdev.conf.blk, r->req.sg,
+                                    r->sector << BDRV_SECTOR_BITS,
                                     scsi_dma_complete, r);
     } else {
         scsi_init_iovec(r, SCSI_DMA_BUF_SIZE);
@@ -539,7 +540,8 @@ static void scsi_write_data(SCSIRequest *req)
     if (r->req.sg) {
         dma_acct_start(s->qdev.conf.blk, &r->acct, r->req.sg, BLOCK_ACCT_WRITE);
         r->req.resid -= r->req.sg->size;
-        r->req.aiocb = dma_blk_write(s->qdev.conf.blk, r->req.sg, r->sector,
+        r->req.aiocb = dma_blk_write(s->qdev.conf.blk, r->req.sg,
+                                     r->sector << BDRV_SECTOR_BITS,
                                      scsi_dma_complete, r);
     } else {
         block_acct_start(blk_get_stats(s->qdev.conf.blk), &r->acct,