Changes between Version 6 and Version 7 of Component/Vci Multi Ahci
- Timestamp:
- Mar 29, 2015, 1:41:49 PM (10 years ago)
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Component/Vci Multi Ahci
v6 v7 10 10 The block size must be a power of 2 between 128 and 4096 bytes. 11 11 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. 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 associated ''Command List'' can register up to 32 ''read'' or ''write'' commands, that are handled in pseudo-parallelism by a dedicated channel controller. 13 13 14 This VCI component has a DMA capability, and use it to access both the ''Command List'' and to transfer the data to or from memory. 14 15