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dma-helpers: allow including from target-independent code 

Target-independent code cannot construct sglists, but it can take
them from the outside as a black box.  Allow this.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Paolo Bonzini 2011-09-16 16:40:01 +02:00 committed by Kevin Wolf
parent bbca72c621
commit 10dc8aef41
1 changed files with 6 additions and 2 deletions
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8
dma.h
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@ -15,10 +15,13 @@
#include "hw/hw.h"
#include "block.h"
typedef struct {
typedef struct ScatterGatherEntry ScatterGatherEntry;
#if defined(TARGET_PHYS_ADDR_BITS)
struct ScatterGatherEntry {
target_phys_addr_t base;
target_phys_addr_t len;
} ScatterGatherEntry;
};
struct QEMUSGList {
ScatterGatherEntry *sg;
@ -31,6 +34,7 @@ void qemu_sglist_init(QEMUSGList *qsg, int alloc_hint);
void qemu_sglist_add(QEMUSGList *qsg, target_phys_addr_t base,
target_phys_addr_t len);
void qemu_sglist_destroy(QEMUSGList *qsg);
#endif
typedef BlockDriverAIOCB *DMAIOFunc(BlockDriverState *bs, int64_t sector_num,
QEMUIOVector *iov, int nb_sectors,