Annotation of qemu/dma.h, revision 1.1.1.2

1.1       root        1: /*
                      2:  * DMA helper functions
                      3:  *
                      4:  * Copyright (c) 2009 Red Hat
                      5:  *
                      6:  * This work is licensed under the terms of the GNU General Public License
                      7:  * (GNU GPL), version 2 or later.
                      8:  */
                      9: 
                     10: #ifndef DMA_H
                     11: #define DMA_H
                     12: 
                     13: #include <stdio.h>
                     14: #include "cpu.h"
                     15: #include "block.h"
                     16: 
                     17: typedef struct {
                     18:     target_phys_addr_t base;
                     19:     target_phys_addr_t len;
                     20: } ScatterGatherEntry;
                     21: 
                     22: typedef struct {
                     23:     ScatterGatherEntry *sg;
                     24:     int nsg;
                     25:     int nalloc;
                     26:     target_phys_addr_t size;
                     27: } QEMUSGList;
                     28: 
                     29: void qemu_sglist_init(QEMUSGList *qsg, int alloc_hint);
                     30: void qemu_sglist_add(QEMUSGList *qsg, target_phys_addr_t base,
                     31:                      target_phys_addr_t len);
                     32: void qemu_sglist_destroy(QEMUSGList *qsg);
                     33: 
                     34: BlockDriverAIOCB *dma_bdrv_read(BlockDriverState *bs,
                     35:                                 QEMUSGList *sg, uint64_t sector,
                     36:                                 BlockDriverCompletionFunc *cb, void *opaque);
                     37: BlockDriverAIOCB *dma_bdrv_write(BlockDriverState *bs,
                     38:                                  QEMUSGList *sg, uint64_t sector,
                     39:                                  BlockDriverCompletionFunc *cb, void *opaque);
1.1.1.2 ! root       40: void dma_helper_init(void);
1.1       root       41: 
                     42: #endif

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