Archipelago » qemu

typedef struct QEDAIOCB {

    BlockDriverAIOCB common;

    QEMUBH *bh;

    int bh_ret;                     /* final return status for completion bh */

    QSIMPLEQ_ENTRY(QEDAIOCB) next;  /* next request */

    bool is_write;                  /* false - read, true - write */

    bool *finished;                 /* signal for cancel completion */

    uint64_t end_pos;               /* request end on block device, in bytes */

    /* User scatter-gather list */

    QEMUIOVector *qiov;

    size_t qiov_offset;             /* byte count already processed */

    /* Current cluster scatter-gather list */

    QEMUIOVector cur_qiov;

    uint64_t cur_pos;               /* position on block device, in bytes */

    uint64_t cur_cluster;           /* cluster offset in image file */

    unsigned int cur_nclusters;     /* number of clusters being accessed */

    int find_cluster_ret;           /* used for L1/L2 update */

    QEDRequest request;

} QEDAIOCB;

    /* Allocating write request queue */

    QSIMPLEQ_HEAD(, QEDAIOCB) allocating_write_reqs;