Changes between Version 12 and Version 13 of Component/Vci Block Device
- Timestamp:
- Nov 11, 2009, 7:38:54 PM (16 years ago)
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Component/Vci Block Device
v12 v13 27 27 28 28 * '''BLOCK_DEVICE_OP''' (write only) 29 Type of operation, writing here initiates the operation.This register goes back to BLOCK_DEVICE_NOOP when operation is finished. 29 Type of operation, writing here initiates the operation.This register goes back to BLOCK_DEVICE_NOOP when operation is finished. The following operations codes are defined: 30 1. `BLOCK_DEVICE_NOOP` : No operation 31 1. `BLOCK_DEVICE_READ` : Transfer from flock device to memory 32 1. `BLOCK_DEVICE_WRITE` : Transfer from memory to block device 30 33 31 34 * '''BLOCK_DEVICE_STATUS''' (read only) … … 47 50 * '''BLOCK_DEVICE_BLOCK_SIZE''' (read only) 48 51 Block size (in bytes) 49 50 The following operations codes are defined:51 52 1. `BLOCK_DEVICE_NOOP` Nothing53 1. `BLOCK_DEVICE_READ` from flock device to memory54 1. `BLOCK_DEVICE_WRITE` from memory to block device55 52 56 53 For extensibility issues, you should access this component using globally-defined offsets.