After PartitionDxe driver enumerates all child partitions and install
BlockIo/BlockIo2, DiskIo driver's driver binding functions will run again at
those new child handles to produce DiskIo.
Thanks
Feng
From: tiger...@via-alliance.com [mailto:tiger...@via-alliance.com]
Sent: Tuesday, September 02, 2014 11:28
To: edk2-devel@lists.sourceforge.net
Subject: [edk2] Question about disk io protocol
Hi, experts:
Based on UEFI Spec:
This protocol is used to abstract the block accesses of the Block I/O protocol
to a more general offset-length protocol.
The firmware is responsible for adding this protocol to any Block I/O interface
that appears in the system that does not already have a Disk I/O protocol.
I found :
Current Partition driver only installed logical block io protocol on every
partition, not install disk io protocol on every partition.
Based on spec: Disk Io should layer on every block io protocol.
Best wishes,
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