Changes between Version 6 and Version 7 of Component/Vci Multi Ahci


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Timestamp:
Mar 29, 2015, 1:41:49 PM (9 years ago)
Author:
alain
Comment:

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  • Component/Vci Multi Ahci

    v6 v7  
    1010The block size must be a power of 2 between 128 and 4096 bytes.
    1111
    12 According to the AHCI specification, each channel[k] controller uses a private ''Command List'' that is handled as a software FIFO. For each channel[k], the ''Command List'' can register up to 32 ''read'' or ''write'' commands, that are handled in pseudo-parallelism by the channel controller.
     12According to the AHCI specification, each channel[k] controller uses a private ''Command List'' that is handled as a software FIFO. For each channel[k], the associated ''Command List'' can register up to 32 ''read'' or ''write'' commands, that are handled in pseudo-parallelism by a dedicated channel controller.
     13
    1314This VCI component has a DMA capability, and use it to access both the ''Command List'' and to transfer the data to or from memory.
    1415