Rafael, Why don’t you directly locate all handles at which BlockIo protocols are installed? After you get these handles, you can get device path from these handles to know which one is you want to access.
Thanks Feng From: Rafael Machado [mailto:rafaelrodrigues.mach...@gmail.com] Sent: Monday, October 27, 2014 18:40 To: edk2-devel Subject: [edk2] Get BlockIo protocol from Ata Device based on Port and Multiplier Port Hi everyone. I have a system, that has a Storage device. This device can be detected at Port 0, Multiplier 0 by the EFI_ATA_PASS_THRU_PROTOCOL.GetNextDevice() typedef EFI_STATUS (EFIAPI *EFI_ATA_PASS_THRU_GET_NEXT_DEVICE) ( IN EFI_ATA_PASS_THRU_PROTOCOL *This, IN UINT16 Port, IN OUT UINT16 *PortMultiplierPort ); Now I need to know the EFI_BLOCK_IO_PROTOCOL "instance" that I need to use to access this device. Is there a way to do this ? Thanks and Regards Rafael R. Machado
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