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Diffstat (limited to 'hw/ide/core.c')
-rw-r--r--hw/ide/core.c43
1 files changed, 24 insertions, 19 deletions
diff --git a/hw/ide/core.c b/hw/ide/core.c
index bc3e91658a..430350f873 100644
--- a/hw/ide/core.c
+++ b/hw/ide/core.c
@@ -473,11 +473,21 @@ static void dma_buf_commit(IDEState *s, int is_write)
qemu_sglist_destroy(&s->sg);
}
+static void ide_dma_set_inactive(BMDMAState *bm)
+{
+ bm->status &= ~BM_STATUS_DMAING;
+ bm->dma_cb = NULL;
+ bm->unit = -1;
+ bm->aiocb = NULL;
+}
+
void ide_dma_error(IDEState *s)
{
ide_transfer_stop(s);
s->error = ABRT_ERR;
s->status = READY_STAT | ERR_STAT;
+ ide_dma_set_inactive(s->bus->bmdma);
+ s->bus->bmdma->status |= BM_STATUS_INT;
ide_set_irq(s->bus);
}
@@ -587,11 +597,8 @@ static void ide_read_dma_cb(void *opaque, int ret)
s->status = READY_STAT | SEEK_STAT;
ide_set_irq(s->bus);
eot:
- bm->status &= ~BM_STATUS_DMAING;
bm->status |= BM_STATUS_INT;
- bm->dma_cb = NULL;
- bm->unit = -1;
- bm->aiocb = NULL;
+ ide_dma_set_inactive(bm);
return;
}
@@ -733,11 +740,8 @@ static void ide_write_dma_cb(void *opaque, int ret)
s->status = READY_STAT | SEEK_STAT;
ide_set_irq(s->bus);
eot:
- bm->status &= ~BM_STATUS_DMAING;
bm->status |= BM_STATUS_INT;
- bm->dma_cb = NULL;
- bm->unit = -1;
- bm->aiocb = NULL;
+ ide_dma_set_inactive(bm);
return;
}
@@ -811,10 +815,16 @@ static void ide_flush_cb(void *opaque, int ret)
static void ide_flush_cache(IDEState *s)
{
- if (s->bs) {
- bdrv_aio_flush(s->bs, ide_flush_cb, s);
- } else {
+ BlockDriverAIOCB *acb;
+
+ if (s->bs == NULL) {
ide_flush_cb(s, 0);
+ return;
+ }
+
+ acb = bdrv_aio_flush(s->bs, ide_flush_cb, s);
+ if (acb == NULL) {
+ ide_flush_cb(s, -EIO);
}
}
@@ -1055,11 +1065,8 @@ static void ide_atapi_cmd_read_dma_cb(void *opaque, int ret)
s->nsector = (s->nsector & ~7) | ATAPI_INT_REASON_IO | ATAPI_INT_REASON_CD;
ide_set_irq(s->bus);
eot:
- bm->status &= ~BM_STATUS_DMAING;
bm->status |= BM_STATUS_INT;
- bm->dma_cb = NULL;
- bm->unit = -1;
- bm->aiocb = NULL;
+ ide_dma_set_inactive(bm);
return;
}
@@ -2948,12 +2955,10 @@ void ide_dma_cancel(BMDMAState *bm)
printf("aio_cancel\n");
#endif
bdrv_aio_cancel(bm->aiocb);
- bm->aiocb = NULL;
}
- bm->status &= ~BM_STATUS_DMAING;
+
/* cancel DMA request */
- bm->unit = -1;
- bm->dma_cb = NULL;
+ ide_dma_set_inactive(bm);
}
}