There can be either ATA or ATAPI devices connected to each SATA port. We want to detect if the device is ATA and create a SATA_DP path or a SCSI_DP for ATAPI devices.
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jeremy Linton jeremy.linton@arm.com --- .../Drivers/SataSiI3132Dxe/SiI3132AtaPassThru.c | 43 ++++++++++++++-------- 1 file changed, 28 insertions(+), 15 deletions(-)
diff --git a/EmbeddedPkg/Drivers/SataSiI3132Dxe/SiI3132AtaPassThru.c b/EmbeddedPkg/Drivers/SataSiI3132Dxe/SiI3132AtaPassThru.c index b14a8aa..8c65a73 100644 --- a/EmbeddedPkg/Drivers/SataSiI3132Dxe/SiI3132AtaPassThru.c +++ b/EmbeddedPkg/Drivers/SataSiI3132Dxe/SiI3132AtaPassThru.c @@ -521,16 +521,19 @@ SiI3132GetNextDevice ( SataPort = &(SataSiI3132Instance->Ports[Port]);
if (*PortMultiplierPort == 0xFFFF) { + SATA_TRACE ("SiI3132GetNextDevice() PortMultiplier"); List = SataPort->Devices.ForwardLink; - if (List != &SataPort->Devices) { + if ((List != &SataPort->Devices) && + (((SATA_SI3132_DEVICE*)List)->Atapi == FALSE)) { // The list is not empty, return the first device *PortMultiplierPort = ((SATA_SI3132_DEVICE*)List)->Index; } else { Status = EFI_NOT_FOUND; } } else { + SATA_TRACE ("SiI3132GetNextDevice()"); SataDevice = GetSataDevice (SataSiI3132Instance, Port, *PortMultiplierPort); - if (SataDevice != NULL) { + if ((SataDevice != NULL) && (SataDevice->Atapi == FALSE)) { // We have found the previous port multiplier, return the next one List = SataDevice->Link.ForwardLink; if (List != &SataPort->Devices) { @@ -601,20 +604,30 @@ SiI3132BuildDevicePath ( return EFI_NOT_FOUND; }
- SiI3132DevicePath = CreateDeviceNode (MESSAGING_DEVICE_PATH, MSG_SATA_DP, sizeof (SATA_DEVICE_PATH)); - if (SiI3132DevicePath == NULL) { - return EFI_OUT_OF_RESOURCES; - } + if (SataDevice->Atapi) { + SiI3132DevicePath = CreateDeviceNode (MESSAGING_DEVICE_PATH, MSG_SCSI_DP, sizeof (SCSI_DEVICE_PATH)); + if (SiI3132DevicePath == NULL) { + return EFI_OUT_OF_RESOURCES; + } + ((SCSI_DEVICE_PATH*)SiI3132DevicePath)->Pun = Port; + ((SCSI_DEVICE_PATH*)SiI3132DevicePath)->Lun = 0;
- ((SATA_DEVICE_PATH*)SiI3132DevicePath)->HBAPortNumber = Port; - if (FeaturePcdGet (PcdSataSiI3132FeaturePMPSupport)) { - ((SATA_DEVICE_PATH*)SiI3132DevicePath)->PortMultiplierPortNumber = PortMultiplierPort; - } else { - //Temp:((SATA_DEVICE_PATH*)SiI3132DevicePath)->PortMultiplierPortNumber = SATA_HBA_DIRECT_CONNECT_FLAG; - ((SATA_DEVICE_PATH*)SiI3132DevicePath)->PortMultiplierPortNumber = 0; } - ((SATA_DEVICE_PATH*)SiI3132DevicePath)->Lun = Port; //TODO: Search information how to define properly LUN (Logical Unit Number) + else { + SiI3132DevicePath = CreateDeviceNode (MESSAGING_DEVICE_PATH, MSG_SATA_DP, sizeof (SATA_DEVICE_PATH)); + if (SiI3132DevicePath == NULL) { + return EFI_OUT_OF_RESOURCES; + }
+ ((SATA_DEVICE_PATH*)SiI3132DevicePath)->HBAPortNumber = Port; + if (FeaturePcdGet (PcdSataSiI3132FeaturePMPSupport)) { + ((SATA_DEVICE_PATH*)SiI3132DevicePath)->PortMultiplierPortNumber = PortMultiplierPort; + } else { + //Temp:((SATA_DEVICE_PATH*)SiI3132DevicePath)->PortMultiplierPortNumber = SATA_HBA_DIRECT_CONNECT_FLAG; + ((SATA_DEVICE_PATH*)SiI3132DevicePath)->PortMultiplierPortNumber = 0; + } + ((SATA_DEVICE_PATH*)SiI3132DevicePath)->Lun = 0; // Only support lun0 on ATA + } *DevicePath = SiI3132DevicePath; return EFI_SUCCESS; } @@ -680,7 +693,7 @@ SiI3132GetDevice ( return EFI_INVALID_PARAMETER; }
- if (((SATA_DEVICE_PATH*)DevicePath)->Lun >= SATA_SII3132_MAXPORT) { + if (((SATA_DEVICE_PATH*)DevicePath)->HBAPortNumber >= SATA_SII3132_MAXPORT) { return EFI_NOT_FOUND; }
@@ -688,7 +701,7 @@ SiI3132GetDevice ( ASSERT (0); //TODO: Implement me! return EFI_UNSUPPORTED; } else { - *Port = ((SATA_DEVICE_PATH*)DevicePath)->Lun; + *Port = ((SATA_DEVICE_PATH*)DevicePath)->HBAPortNumber; // Return the first Sata Sevice as there should be only one directly connected *PortMultiplierPort = ((SATA_SI3132_DEVICE*)SataSiI3132Instance->Ports[*Port].Devices.ForwardLink)->Index; return EFI_SUCCESS;