Hi All,
Please go through the below information and share valuable comments and
suggestions.
Mockup :
My board connected to PCIe based SAS controller and it has three SAS
devices connected with the pcie board.
My Driver Design :
The driver will enumerate and display the connected SATA devices details as
below.
Name of the SATA Device Size of SATA Device Speed
Query :
>From PCI I/O protocol service I could able to read vendorid and deviceid
from PCI configuration space.
Next I would like to display the connected SAS devices.
As per my PCIe device ,I can see PCI I/O space and Memory space register
from PCI'e configuration space.
>From this registers and this I/O space shall we able to identify the
connected devices?
*Do we need PCI_ROOT_BRIDGE_IO_PROTOCOL to enumerate SAS devices or Is PCI
I/O protocol enough for our driver?*
*Please share any sample code if it's available *.It would be useful for me
to proceed further.
I am using EDK2 source.
Thanks
Murali.S
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