Hi Rafael,
Set
Port = 0xFFFF;
before
do {
Regards,
Sergey
On 18.10.2012, at 0:09, Rafael Machado <rafaelrodrigues.mach...@gmail.com>
wrote:
> Hi everyone.
> I'm having a problem with an sample code I've developed.
> This code should display the ports and Multiports of the Sata hdds that are
> connected to the board.
> The strange thing is that the HDD device paths are displayed at uefi main
> screen, but the following code does not return any port.
> Another strange thig is that this code works correctly on a notebook.
> The computer that it doesn't work is a server with 2 sata hdds connected to a
> backplane that is connected to the sata entries of the motherboard with AHCI
> mode enabled.
>
> Print(L"*****************\n");
> Print(L"*Ata Device Path*\n", HandleCount);
> Print(L"*****************\n");
>
> Status = gBS->LocateHandleBuffer(ByProtocol,
> &gEfiAtaPassThruProtocolGuid,
> NULL,
> &HandleCount,
> &HandleBuffer);
>
>
> // Checks if happen some error in the handle localization
> if (Status == EFI_SUCCESS)
> {
>
> Print(L"gEfiAtaPassThruProtocolGuid HandleCount: %d\n", HandleCount);
>
> // Loop to walk in the handles
> for (HandleIndex = 0; HandleIndex < HandleCount; HandleIndex ++)
> {
> Print(L"HandleIndex: %d\n", HandleIndex);
>
> Status = gBS->OpenProtocol(HandleBuffer[HandleIndex],
> &gEfiAtaPassThruProtocolGuid,
> (VOID **) &ataProtocol,
> ImageHandle,
> NULL,
> EFI_OPEN_PROTOCOL_BY_HANDLE_PROTOCOL);
>
> if(EFI_ERROR(Status))
> {
> Print(L"Status: %x\n", Status);
> }
>
>
> do {
> Status = ataProtocol->GetNextPort(ataProtocol,
> &Port);
>
> if(!EFI_ERROR(Status))
> {
> Status = ataProtocol->GetNextDevice(ataProtocol,
> Port,
> &PortMultiplierPort);
>
> if(!EFI_ERROR(Status))
> {
> Print(L"Port: %d\n",Port);
> Print(L"PortMultiplierPort: %d\n", PortMultiplierPort);
> Print(L"-----------------------------------\n");
> }
> }
>
> }while(!EFI_ERROR(Status));
>
> }
> }
> else
> {
> Print(L"Status: %x\n", Status);
> }
>
>
> Any idea ?
>
> Thanks everyone.
>
> Rafael R. Machado
>
>
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