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Diffstat (limited to 'dma-helpers.c')
-rw-r--r--dma-helpers.c59
1 files changed, 30 insertions, 29 deletions
diff --git a/dma-helpers.c b/dma-helpers.c
index c347d4bafe..6918572e18 100644
--- a/dma-helpers.c
+++ b/dma-helpers.c
@@ -7,6 +7,7 @@
* (GNU GPL), version 2 or later.
*/
+#include "sysemu/block-backend.h"
#include "sysemu/dma.h"
#include "trace.h"
#include "qemu/range.h"
@@ -68,7 +69,7 @@ void qemu_sglist_destroy(QEMUSGList *qsg)
typedef struct {
BlockAIOCB common;
- BlockDriverState *bs;
+ BlockBackend *blk;
BlockAIOCB *acb;
QEMUSGList *sg;
uint64_t sector_num;
@@ -80,7 +81,7 @@ typedef struct {
DMAIOFunc *io_func;
} DMAAIOCB;
-static void dma_bdrv_cb(void *opaque, int ret);
+static void dma_blk_cb(void *opaque, int ret);
static void reschedule_dma(void *opaque)
{
@@ -88,7 +89,7 @@ static void reschedule_dma(void *opaque)
qemu_bh_delete(dbs->bh);
dbs->bh = NULL;
- dma_bdrv_cb(dbs, 0);
+ dma_blk_cb(dbs, 0);
}
static void continue_after_map_failure(void *opaque)
@@ -99,7 +100,7 @@ static void continue_after_map_failure(void *opaque)
qemu_bh_schedule(dbs->bh);
}
-static void dma_bdrv_unmap(DMAAIOCB *dbs)
+static void dma_blk_unmap(DMAAIOCB *dbs)
{
int i;
@@ -115,7 +116,7 @@ static void dma_complete(DMAAIOCB *dbs, int ret)
{
trace_dma_complete(dbs, ret, dbs->common.cb);
- dma_bdrv_unmap(dbs);
+ dma_blk_unmap(dbs);
if (dbs->common.cb) {
dbs->common.cb(dbs->common.opaque, ret);
}
@@ -127,13 +128,13 @@ static void dma_complete(DMAAIOCB *dbs, int ret)
qemu_aio_unref(dbs);
}
-static void dma_bdrv_cb(void *opaque, int ret)
+static void dma_blk_cb(void *opaque, int ret)
{
DMAAIOCB *dbs = (DMAAIOCB *)opaque;
dma_addr_t cur_addr, cur_len;
void *mem;
- trace_dma_bdrv_cb(dbs, ret);
+ trace_dma_blk_cb(dbs, ret);
dbs->acb = NULL;
dbs->sector_num += dbs->iov.size / 512;
@@ -142,7 +143,7 @@ static void dma_bdrv_cb(void *opaque, int ret)
dma_complete(dbs, ret);
return;
}
- dma_bdrv_unmap(dbs);
+ dma_blk_unmap(dbs);
while (dbs->sg_cur_index < dbs->sg->nsg) {
cur_addr = dbs->sg->sg[dbs->sg_cur_index].base + dbs->sg_cur_byte;
@@ -168,8 +169,8 @@ static void dma_bdrv_cb(void *opaque, int ret)
qemu_iovec_discard_back(&dbs->iov, dbs->iov.size & ~BDRV_SECTOR_MASK);
}
- dbs->acb = dbs->io_func(dbs->bs, dbs->sector_num, &dbs->iov,
- dbs->iov.size / 512, dma_bdrv_cb, dbs);
+ dbs->acb = dbs->io_func(dbs->blk, dbs->sector_num, &dbs->iov,
+ dbs->iov.size / 512, dma_blk_cb, dbs);
assert(dbs->acb);
}
@@ -180,7 +181,7 @@ static void dma_aio_cancel(BlockAIOCB *acb)
trace_dma_aio_cancel(dbs);
if (dbs->acb) {
- bdrv_aio_cancel_async(dbs->acb);
+ blk_aio_cancel_async(dbs->acb);
}
}
@@ -190,17 +191,17 @@ static const AIOCBInfo dma_aiocb_info = {
.cancel_async = dma_aio_cancel,
};
-BlockAIOCB *dma_bdrv_io(
- BlockDriverState *bs, QEMUSGList *sg, uint64_t sector_num,
+BlockAIOCB *dma_blk_io(
+ BlockBackend *blk, QEMUSGList *sg, uint64_t sector_num,
DMAIOFunc *io_func, BlockCompletionFunc *cb,
void *opaque, DMADirection dir)
{
- DMAAIOCB *dbs = qemu_aio_get(&dma_aiocb_info, bs, cb, opaque);
+ DMAAIOCB *dbs = blk_aio_get(&dma_aiocb_info, blk, cb, opaque);
- trace_dma_bdrv_io(dbs, bs, sector_num, (dir == DMA_DIRECTION_TO_DEVICE));
+ trace_dma_blk_io(dbs, blk, sector_num, (dir == DMA_DIRECTION_TO_DEVICE));
dbs->acb = NULL;
- dbs->bs = bs;
+ dbs->blk = blk;
dbs->sg = sg;
dbs->sector_num = sector_num;
dbs->sg_cur_index = 0;
@@ -209,25 +210,25 @@ BlockAIOCB *dma_bdrv_io(
dbs->io_func = io_func;
dbs->bh = NULL;
qemu_iovec_init(&dbs->iov, sg->nsg);
- dma_bdrv_cb(dbs, 0);
+ dma_blk_cb(dbs, 0);
return &dbs->common;
}
-BlockAIOCB *dma_bdrv_read(BlockDriverState *bs,
- QEMUSGList *sg, uint64_t sector,
- void (*cb)(void *opaque, int ret), void *opaque)
+BlockAIOCB *dma_blk_read(BlockBackend *blk,
+ QEMUSGList *sg, uint64_t sector,
+ void (*cb)(void *opaque, int ret), void *opaque)
{
- return dma_bdrv_io(bs, sg, sector, bdrv_aio_readv, cb, opaque,
- DMA_DIRECTION_FROM_DEVICE);
+ return dma_blk_io(blk, sg, sector, blk_aio_readv, cb, opaque,
+ DMA_DIRECTION_FROM_DEVICE);
}
-BlockAIOCB *dma_bdrv_write(BlockDriverState *bs,
- QEMUSGList *sg, uint64_t sector,
- void (*cb)(void *opaque, int ret), void *opaque)
+BlockAIOCB *dma_blk_write(BlockBackend *blk,
+ QEMUSGList *sg, uint64_t sector,
+ void (*cb)(void *opaque, int ret), void *opaque)
{
- return dma_bdrv_io(bs, sg, sector, bdrv_aio_writev, cb, opaque,
- DMA_DIRECTION_TO_DEVICE);
+ return dma_blk_io(blk, sg, sector, blk_aio_writev, cb, opaque,
+ DMA_DIRECTION_TO_DEVICE);
}
@@ -262,8 +263,8 @@ uint64_t dma_buf_write(uint8_t *ptr, int32_t len, QEMUSGList *sg)
return dma_buf_rw(ptr, len, sg, DMA_DIRECTION_TO_DEVICE);
}
-void dma_acct_start(BlockDriverState *bs, BlockAcctCookie *cookie,
+void dma_acct_start(BlockBackend *blk, BlockAcctCookie *cookie,
QEMUSGList *sg, enum BlockAcctType type)
{
- block_acct_start(bdrv_get_stats(bs), cookie, sg->size, type);
+ block_acct_start(blk_get_stats(blk), cookie, sg->size, type);
}