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dma-helpers: make QEMUSGList target independent

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scsi-disk will manage scatter/gather list, but it does not create
single entries so it remains target-independent.  Make QEMUSGList
available to it.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2011-11-09 16:58:30 +01:00
parent 99c7f87826
commit fead0c2410
1 changed files with 7 additions and 7 deletions
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14
dma.h
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@ -17,6 +17,13 @@
typedef struct ScatterGatherEntry ScatterGatherEntry;
struct QEMUSGList {
ScatterGatherEntry *sg;
int nsg;
int nalloc;
size_t size;
};
#if defined(TARGET_PHYS_ADDR_BITS)
typedef target_phys_addr_t dma_addr_t;
@ -32,13 +39,6 @@ struct ScatterGatherEntry {
dma_addr_t len;
};
struct QEMUSGList {
ScatterGatherEntry *sg;
int nsg;
int nalloc;
dma_addr_t size;
};
void qemu_sglist_init(QEMUSGList *qsg, int alloc_hint);
void qemu_sglist_add(QEMUSGList *qsg, dma_addr_t base, dma_addr_t len);
void qemu_sglist_destroy(QEMUSGList *qsg);