Hi Sathya,
Please go through the below information and share valuable comments and
suggestions.
Setup Details :
My Intel board connected to PCIe based SCSI controller (LSISAS1064E PCI Express
to 4-Port Serial Attached SCSI Controller ) and it has three SATA
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 Devices Size of SATA Device Speed
Query :
* I have gone through the edk2 source with respect to my requirement.
Then I decided to implement the following protocol on my driver.
PCI I/O protocol
Device path protocol
* My driver will load from EFI shell <efi shell> load driver.efi ; The
output should display the connected end devices list with the above information.
>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 PCI Express Capabilities , PCI Express Device Status and PCI
Express Link Status (with respect to LSISAS1064E PCI Express configuration
space ) do we able to identify the connected devices?
Please guide how to proceed further and share your views how to implement this
driver.
Thanks
Murali.S
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