Revision aa659be3 hw/virtio-blk.h

b/hw/virtio-blk.h
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#define VIRTIO_BLK_F_BLK_SIZE   6       /* Block size of disk is available*/
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#define VIRTIO_BLK_F_SCSI       7       /* Supports scsi command passthru */
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#define VIRTIO_BLK_F_IDENTIFY   8       /* ATA IDENTIFY supported */
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#define VIRTIO_BLK_F_WCACHE     9       /* write cache enabled */
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#define VIRTIO_BLK_ID_LEN       256     /* length of identify u16 array */


  		





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#define VIRTIO_BLK_ID_SN        10      /* start of char * serial# */


  		





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/* This bit says it's a scsi command, not an actual read or write. */


  		





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#define VIRTIO_BLK_T_SCSI_CMD   2


  		





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/* Flush the volatile write cache */


  		





  
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#define VIRTIO_BLK_T_FLUSH      4


  		





  
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/* Barrier before this op. */


  		





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#define VIRTIO_BLK_T_BARRIER    0x80000000


  		





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