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ScsiBus/ScsiDisk enhancement for no_media state.

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Ahci enumeration logic tuning for boot performance.

Signed-off-by:erictian
Reviewed-by:qianouyang, hhuan13

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11820 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
erictian 2011-06-14 02:11:34 +00:00
parent e118a40b9d
commit cbd2a4b362
4 changed files with 379 additions and 285 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

182
MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.c
View File

@ -1273,12 +1273,12 @@ AhciStartCommand (
if ((PortTfd & (EFI_AHCI_PORT_TFD_BSY | EFI_AHCI_PORT_TFD_DRQ)) != 0) {
if ((Capability & BIT24) != 0) {
Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_CMD;
AhciOrReg (PciIo, Offset, EFI_AHCI_PORT_CMD_COL);
AhciOrReg (PciIo, Offset, EFI_AHCI_PORT_CMD_CLO);
AhciWaitMemSet (
PciIo,
Offset,
EFI_AHCI_PORT_CMD_COL,
EFI_AHCI_PORT_CMD_CLO,
0,
Timeout
);
@ -1816,7 +1816,6 @@ AhciPacketCommandExecute (
EFI_ATA_COMMAND_BLOCK AtaCommandBlock;
EFI_ATA_STATUS_BLOCK AtaStatusBlock;
BOOLEAN Read;
UINT8 Retry;
if (Packet == NULL || Packet->Cdb == NULL) {
return EFI_INVALID_PARAMETER;
@ -1860,15 +1859,6 @@ AhciPacketCommandExecute (
NULL
);
} else {
//
// READ_CAPACITY cmd may execute failure. Retry 5 times
//
if (((UINT8 *)Packet->Cdb)[0] == ATA_CMD_READ_CAPACITY) {
Retry = 5;
} else {
Retry = 1;
}
do {
Status = AhciPioTransfer (
PciIo,
AhciRegisters,
@ -1884,11 +1874,6 @@ AhciPacketCommandExecute (
Packet->Timeout,
NULL
);
if (!EFI_ERROR (Status)) {
break;
}
Retry--;
} while (Retry != 0);
}
return Status;
}
@ -2165,6 +2150,7 @@ AhciModeInitialization (
EFI_ATA_DEVICE_TYPE DeviceType;
EFI_ATA_COLLECTIVE_MODE *SupportedModes;
EFI_ATA_TRANSFER_MODE TransferMode;
UINT32 PhyDetectDelay;
if (Instance == NULL) {
return EFI_INVALID_PARAMETER;
@ -2173,7 +2159,7 @@ AhciModeInitialization (
PciIo = Instance->PciIo;
IdeInit = Instance->IdeControllerInit;
Status = AhciReset (PciIo, ATA_ATAPI_TIMEOUT);
Status = AhciReset (PciIo, EFI_AHCI_BUS_RESET_TIMEOUT);
if (EFI_ERROR (Status)) {
return EFI_DEVICE_ERROR;
@ -2193,14 +2179,14 @@ AhciModeInitialization (
// Get the number of command slots per port supported by this HBA.
//
MaxCommandSlotNumber = (UINT8) (((Capability & 0x1F00) >> 8) + 1);
Support64Bit = (BOOLEAN) (((Capability & BIT31) != 0) ? TRUE : FALSE);
MaxPortNumber = (UINT8) ((Capability & 0x1F) + 1);
Support64Bit = (BOOLEAN) (((Capability & EFI_AHCI_CAP_S64A) != 0) ? TRUE : FALSE);
//
// Get the bit map of those ports exposed by this HBA.
// It indicates which ports that the HBA supports are available for software to use.
//
PortImplementBitMap = AhciReadReg(PciIo, EFI_AHCI_PI_OFFSET);
MaxPortNumber = (UINT8) ((Capability & 0x1F) + 1);
AhciRegisters = &Instance->AhciRegisters;
Status = AhciCreateTransferDescriptor (PciIo, AhciRegisters);
@ -2210,93 +2196,130 @@ AhciModeInitialization (
}
for (Port = 0; Port < MaxPortNumber; Port ++) {
Data64.Uint64 = (UINTN) (AhciRegisters->AhciRFisPciAddr) + sizeof (EFI_AHCI_RECEIVED_FIS) * Port;
if ((PortImplementBitMap & (BIT0 << Port)) != 0) {
IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelEnumeration, Port);
//
// Initialize FIS Base Address Register and Command List Base Address Register for use.
//
Data64.Uint64 = (UINTN) (AhciRegisters->AhciRFisPciAddr) + sizeof (EFI_AHCI_RECEIVED_FIS) * Port;
Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_FB;
AhciWriteReg (PciIo, Offset, Data64.Uint32.Lower32);
Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_FBU;
AhciWriteReg (PciIo, Offset, Data64.Uint32.Upper32);
//
// Single task envrionment, we only use one command table for all port
//
Data64.Uint64 = (UINTN) (AhciRegisters->AhciCmdListPciAddr);
Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_CLB;
AhciWriteReg (PciIo, Offset, Data64.Uint32.Lower32);
Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_CLBU;
AhciWriteReg (PciIo, Offset, Data64.Uint32.Upper32);
if ((PortImplementBitMap & (BIT0 << Port)) != 0) {
Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_CMD;
if ((Capability & EFI_AHCI_PORT_CMD_ASP) != 0) {
AhciOrReg (PciIo, Offset, EFI_AHCI_PORT_CMD_SUD);
}
Data = AhciReadReg (PciIo, Offset);
if ((Data & EFI_AHCI_PORT_CMD_CPD) != 0) {
AhciOrReg (PciIo, Offset, EFI_AHCI_PORT_CMD_POD);
}
AhciAndReg (PciIo, Offset, (UINT32)~(EFI_AHCI_PORT_CMD_FRE|EFI_AHCI_PORT_CMD_COL|EFI_AHCI_PORT_CMD_ST));
if ((Capability & EFI_AHCI_CAP_SSS) != 0) {
AhciOrReg (PciIo, Offset, EFI_AHCI_PORT_CMD_SUD);
}
//
// Disable aggressive power management.
//
Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_SCTL;
AhciAndReg (PciIo, Offset, (UINT32)~(EFI_AHCI_PORT_SCTL_IPM_MASK));
AhciAndReg (PciIo, Offset,(UINT32) ~(EFI_AHCI_PORT_SCTL_IPM_PSD));
AhciOrReg (PciIo, Offset, EFI_AHCI_PORT_SCTL_IPM_PSD);
AhciAndReg (PciIo, Offset, (UINT32)~(EFI_AHCI_PORT_SCTL_IPM_SSD));
AhciOrReg (PciIo, Offset, EFI_AHCI_PORT_SCTL_IPM_SSD);
AhciOrReg (PciIo, Offset, EFI_AHCI_PORT_SCTL_IPM_INIT);
//
// Disable the reporting of the corresponding interrupt to system software.
//
Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_IE;
AhciAndReg (PciIo, Offset, 0);
Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_SERR;
AhciWriteReg (PciIo, Offset, AhciReadReg (PciIo, Offset));
}
//
// Stall for 100 milliseconds.
//
MicroSecondDelay(100000);
IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelEnumeration, Port);
for (Port = 0; Port < MaxPortNumber; Port ++) {
if ((PortImplementBitMap & (BIT0 << Port)) != 0) {
Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_SSTS;
Data = AhciReadReg (PciIo, Offset) & EFI_AHCI_PORT_SSTS_DET_MASK;
if (Data == 0) {
continue;
}
//
// Found device in the port
//
if (Data == EFI_AHCI_PORT_SSTS_DET_PCE) {
Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_SIG;
Status = AhciWaitMemSet (
PciIo,
Offset,
0x0000FFFF,
0x00000101,
ATA_ATAPI_TIMEOUT
);
if (EFI_ERROR (Status)) {
continue;
}
//
// Now inform the IDE Controller Init Module.
//
IdeInit->NotifyPhase (IdeInit, EfiIdeBusBeforeDevicePresenceDetection, Port);
Data = AhciReadReg (PciIo, Offset);
//
// Enable FIS Receive DMA engine for the first D2H FIS.
//
Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_CMD;
AhciOrReg (PciIo, Offset, EFI_AHCI_PORT_CMD_FRE);
Status = AhciWaitMemSet (
PciIo,
Offset,
EFI_AHCI_PORT_CMD_FR,
EFI_AHCI_PORT_CMD_FR,
EFI_AHCI_PORT_CMD_FR_CLEAR_TIMEOUT
);
if (EFI_ERROR (Status)) {
continue;
}
//
// Wait no longer than 10 ms to wait the Phy to detect the presence of a device.
// It's the requirment from SATA1.0a spec section 5.2.
//
PhyDetectDelay = EFI_AHCI_BUS_PHY_DETECT_TIMEOUT;
Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_SSTS;
do {
Data = AhciReadReg (PciIo, Offset) & EFI_AHCI_PORT_SSTS_DET_MASK;
if ((Data == EFI_AHCI_PORT_SSTS_DET_PCE) || (Data == EFI_AHCI_PORT_SSTS_DET)) {
break;
}
MicroSecondDelay (1000);
PhyDetectDelay--;
} while (PhyDetectDelay > 0);
if (PhyDetectDelay == 0) {
//
// No device detected at this port.
//
continue;
}
//
// According to SATA1.0a spec section 5.2, we need to wait for PxTFD.BSY and PxTFD.DRQ
// and PxTFD.ERR to be zero. The maximum wait time is 16s which is defined at ATA spec.
//
PhyDetectDelay = 16 * 1000;
do {
Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_SERR;
if (AhciReadReg(PciIo, Offset) != 0) {
AhciWriteReg (PciIo, Offset, AhciReadReg(PciIo, Offset));
}
Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_TFD;
Data = AhciReadReg (PciIo, Offset) & EFI_AHCI_PORT_TFD_MASK;
if (Data == 0) {
break;
}
MicroSecondDelay (1000);
PhyDetectDelay--;
} while (PhyDetectDelay > 0);
if (PhyDetectDelay == 0) {
continue;
}
//
// When the first D2H register FIS is received, the content of PxSIG register is updated.
//
Offset = EFI_AHCI_PORT_START + Port * EFI_AHCI_PORT_REG_WIDTH + EFI_AHCI_PORT_SIG;
Status = AhciWaitMemSet (
PciIo,
Offset,
0x0000FFFF,
0x00000101,
EFI_TIMER_PERIOD_SECONDS(16)
);
if (EFI_ERROR (Status)) {
continue;
}
Data = AhciReadReg (PciIo, Offset);
if ((Data & EFI_AHCI_ATAPI_SIG_MASK) == EFI_AHCI_ATAPI_DEVICE_SIG) {
Status = AhciIdentifyPacket (PciIo, AhciRegisters, Port, 0, &Buffer);
@ -2317,7 +2340,6 @@ AhciModeInitialization (
} else {
continue;
}
DEBUG ((EFI_D_INFO, "port [%d] port mulitplier [%d] has a [%a]\n",
Port, 0, DeviceType == EfiIdeCdrom ? "cdrom" : "harddisk"));
@ -2380,11 +2402,11 @@ AhciModeInitialization (
}
Status = AhciDeviceSetFeature (PciIo, AhciRegisters, Port, 0, 0x03, (UINT32)(*(UINT8 *)&TransferMode));
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "Set transfer Mode Fail, Status = %r\n", Status));
continue;
}
//
// Found a ATA or ATAPI device, add it into the device list.
//
@ -2394,7 +2416,7 @@ AhciModeInitialization (
}
}
}
}
return EFI_SUCCESS;
}

17
MdeModulePkg/Bus/Ata/AtaAtapiPassThru/AhciMode.h
View File

@ -17,6 +17,8 @@
#define EFI_AHCI_BAR_INDEX 0x05
#define EFI_AHCI_CAPABILITY_OFFSET 0x0000
#define EFI_AHCI_CAP_SSS BIT27
#define EFI_AHCI_CAP_S64A BIT31
#define EFI_AHCI_GHC_OFFSET 0x0004
#define EFI_AHCI_GHC_RESET BIT0
#define EFI_AHCI_GHC_IE BIT1
@ -34,6 +36,19 @@ typedef union {
UINT64 Uint64;
} DATA_64;
//
// Refer SATA1.0a spec section 5.2, the Phy detection time should be less than 10ms.
//
#define EFI_AHCI_BUS_PHY_DETECT_TIMEOUT 10
//
// Refer SATA1.0a spec, the FIS enable time should be less than 500ms.
//
#define EFI_AHCI_PORT_CMD_FR_CLEAR_TIMEOUT EFI_TIMER_PERIOD_MILLISECONDS(500)
//
// Refer SATA1.0a spec, the bus reset time should be less than 1s.
//
#define EFI_AHCI_BUS_RESET_TIMEOUT EFI_TIMER_PERIOD_SECONDS(1)
#define EFI_AHCI_ATAPI_DEVICE_SIG 0xEB140000
#define EFI_AHCI_ATA_DEVICE_SIG 0x00000000
#define EFI_AHCI_PORT_MULTIPLIER_SIG 0x96690000
@ -103,7 +118,7 @@ typedef union {
#define EFI_AHCI_PORT_CMD_ST BIT0
#define EFI_AHCI_PORT_CMD_SUD BIT1
#define EFI_AHCI_PORT_CMD_POD BIT2
#define EFI_AHCI_PORT_CMD_COL BIT3
#define EFI_AHCI_PORT_CMD_CLO BIT3
#define EFI_AHCI_PORT_CMD_CR BIT15
#define EFI_AHCI_PORT_CMD_FRE BIT4
#define EFI_AHCI_PORT_CMD_FR BIT14

141
MdeModulePkg/Bus/Scsi/ScsiBusDxe/ScsiBus.c
View File

@ -1026,10 +1026,63 @@ ScsiScanCreateDevice (
EFI_STATUS Status;
SCSI_IO_DEV *ScsiIoDevice;
EFI_DEVICE_PATH_PROTOCOL *ScsiDevicePath;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath;
EFI_HANDLE DeviceHandle;
DevicePath = NULL;
RemainingDevicePath = NULL;
ScsiDevicePath = NULL;
ScsiIoDevice = NULL;
//
// Build Device Path
//
if (ScsiBusDev->ExtScsiSupport){
Status = ScsiBusDev->ExtScsiInterface->BuildDevicePath (
ScsiBusDev->ExtScsiInterface,
&TargetId->ScsiId.ExtScsi[0],
Lun,
&ScsiDevicePath
);
} else {
Status = ScsiIoDevice->ScsiPassThru->BuildDevicePath (
ScsiBusDev->ScsiInterface,
TargetId->ScsiId.Scsi,
Lun,
&ScsiDevicePath
);
}
if (EFI_ERROR(Status)) {
return Status;
}
DevicePath = AppendDevicePathNode (
ScsiBusDev->DevicePath,
ScsiDevicePath
);
if (DevicePath == NULL) {
Status = EFI_OUT_OF_RESOURCES;
goto ErrorExit;
}
DeviceHandle = NULL;
RemainingDevicePath = DevicePath;
Status = gBS->LocateDevicePath (&gEfiDevicePathProtocolGuid, &RemainingDevicePath, &DeviceHandle);
if (!EFI_ERROR (Status) && (DeviceHandle != NULL) && IsDevicePathEnd(RemainingDevicePath)) {
//
// The device has been started, directly return to fast boot.
//
Status = EFI_ALREADY_STARTED;
goto ErrorExit;
}
ScsiIoDevice = AllocateZeroPool (sizeof (SCSI_IO_DEV));
if (ScsiIoDevice == NULL) {
return EFI_OUT_OF_RESOURCES;
Status = EFI_OUT_OF_RESOURCES;
goto ErrorExit;
}
ScsiIoDevice->Signature = SCSI_IO_DEV_SIGNATURE;
@ -1053,52 +1106,12 @@ ScsiScanCreateDevice (
ScsiIoDevice->ScsiIo.ResetDevice = ScsiResetDevice;
ScsiIoDevice->ScsiIo.ExecuteScsiCommand = ScsiExecuteSCSICommand;
if (!DiscoverScsiDevice (ScsiIoDevice)) {
FreePool (ScsiIoDevice);
return EFI_OUT_OF_RESOURCES;
Status = EFI_OUT_OF_RESOURCES;
goto ErrorExit;
}
//
// Set Device Path
//
ScsiDevicePath = NULL;
if (ScsiIoDevice->ExtScsiSupport){
Status = ScsiIoDevice->ExtScsiPassThru->BuildDevicePath (
ScsiIoDevice->ExtScsiPassThru,
&ScsiIoDevice->Pun.ScsiId.ExtScsi[0],
ScsiIoDevice->Lun,
&ScsiDevicePath
);
} else {
Status = ScsiIoDevice->ScsiPassThru->BuildDevicePath (
ScsiIoDevice->ScsiPassThru,
ScsiIoDevice->Pun.ScsiId.Scsi,
ScsiIoDevice->Lun,
&ScsiDevicePath
);
}
if (EFI_ERROR(Status)) {
FreePool (ScsiIoDevice);
return Status;
}
ScsiIoDevice->DevicePath = AppendDevicePathNode (
ScsiBusDev->DevicePath,
ScsiDevicePath
);
//
// The memory space for ScsiDevicePath is allocated in
// ScsiPassThru->BuildDevicePath() function; It is no longer used
// after EfiAppendDevicePathNode,so free the memory it occupies.
//
FreePool (ScsiDevicePath);
if (ScsiIoDevice->DevicePath == NULL) {
FreePool (ScsiIoDevice);
return EFI_OUT_OF_RESOURCES;
}
ScsiIoDevice->DevicePath = DevicePath;
Status = gBS->InstallMultipleProtocolInterfaces (
&ScsiIoDevice->Handle,
@ -1109,9 +1122,7 @@ ScsiScanCreateDevice (
NULL
);
if (EFI_ERROR (Status)) {
FreePool (ScsiIoDevice->DevicePath);
FreePool (ScsiIoDevice);
return EFI_OUT_OF_RESOURCES;
goto ErrorExit;
} else {
if (ScsiBusDev->ExtScsiSupport) {
gBS->OpenProtocol (
@ -1134,6 +1145,25 @@ ScsiScanCreateDevice (
}
}
return EFI_SUCCESS;
ErrorExit:
//
// The memory space for ScsiDevicePath is allocated in
// ScsiPassThru->BuildDevicePath() function; It is no longer used
// after AppendDevicePathNode,so free the memory it occupies.
//
FreePool (ScsiDevicePath);
if (DevicePath != NULL) {
FreePool (DevicePath);
}
if (ScsiIoDevice != NULL) {
FreePool (ScsiIoDevice);
}
return Status;
}
@ -1158,6 +1188,8 @@ DiscoverScsiDevice (
UINT8 TargetStatus;
EFI_SCSI_SENSE_DATA SenseData;
EFI_SCSI_INQUIRY_DATA InquiryData;
UINT8 MaxRetry;
UINT8 Index;
HostAdapterStatus = 0;
TargetStatus = 0;
@ -1166,7 +1198,10 @@ DiscoverScsiDevice (
//
InquiryDataLength = sizeof (EFI_SCSI_INQUIRY_DATA);
SenseDataLength = (UINT8) sizeof (EFI_SCSI_SENSE_DATA);
ZeroMem (&InquiryData, InquiryDataLength);
MaxRetry = 2;
for (Index = 0; Index < MaxRetry; Index++) {
Status = ScsiInquiryCommand (
&ScsiIoDevice->ScsiIo,
EFI_TIMER_PERIOD_SECONDS (1),
@ -1178,9 +1213,19 @@ DiscoverScsiDevice (
&InquiryDataLength,
FALSE
);
if (EFI_ERROR (Status) && Status != EFI_BAD_BUFFER_SIZE) {
if (!EFI_ERROR (Status)) {
break;
} else if ((Status == EFI_BAD_BUFFER_SIZE) ||
(Status == EFI_INVALID_PARAMETER) ||
(Status == EFI_UNSUPPORTED)) {
return FALSE;
}
}
if (Index == MaxRetry) {
return FALSE;
}
//
// Retrieved inquiry data successfully
//

38
MdeModulePkg/Bus/Scsi/ScsiDiskDxe/ScsiDisk.c
View File

@ -166,6 +166,9 @@ ScsiDiskDriverBindingStart (
UINT8 Index;
UINT8 MaxRetry;
BOOLEAN NeedRetry;
BOOLEAN MustReadCapacity;
MustReadCapacity = TRUE;
ScsiDiskDevice = (SCSI_DISK_DEV *) AllocateZeroPool (sizeof (SCSI_DISK_DEV));
if (ScsiDiskDevice == NULL) {
@ -199,10 +202,12 @@ ScsiDiskDriverBindingStart (
switch (ScsiDiskDevice->DeviceType) {
case EFI_SCSI_TYPE_DISK:
ScsiDiskDevice->BlkIo.Media->BlockSize = 0x200;
MustReadCapacity = TRUE;
break;
case EFI_SCSI_TYPE_CDROM:
ScsiDiskDevice->BlkIo.Media->BlockSize = 0x800;
MustReadCapacity = FALSE;
break;
}
//
@ -249,7 +254,7 @@ ScsiDiskDriverBindingStart (
// The second parameter "TRUE" means must
// retrieve media capacity
//
Status = ScsiDiskDetectMedia (ScsiDiskDevice, TRUE, &Temp);
Status = ScsiDiskDetectMedia (ScsiDiskDevice, MustReadCapacity, &Temp);
if (!EFI_ERROR (Status)) {
//
// Determine if Block IO should be produced on this controller handle
@ -710,6 +715,7 @@ ScsiDiskDetectMedia (
CopyMem (&OldMedia, ScsiDiskDevice->BlkIo.Media, sizeof (OldMedia));
*MediaChange = FALSE;
MaxRetry = 3;
Action = ACTION_NO_ACTION;
for (Index = 0; Index < MaxRetry; Index++) {
Status = ScsiDiskTestUnitReady (
@ -719,8 +725,20 @@ ScsiDiskDetectMedia (
&NumberOfSenseKeys
);
if (!EFI_ERROR (Status)) {
Status = DetectMediaParsingSenseKeys (
ScsiDiskDevice,
SenseData,
NumberOfSenseKeys,
&Action
);
if (EFI_ERROR (Status)) {
return Status;
} else if (Action == ACTION_RETRY_COMMAND_LATER) {
continue;
} else {
break;
}
}
if (!NeedRetry) {
return Status;
@ -731,22 +749,11 @@ ScsiDiskDetectMedia (
return EFI_DEVICE_ERROR;
}
Status = DetectMediaParsingSenseKeys (
ScsiDiskDevice,
SenseData,
NumberOfSenseKeys,
&Action
);
if (EFI_ERROR (Status)) {
return Status;
}
//
// ACTION_NO_ACTION: need not read capacity
// other action code: need read capacity
//
if (Action == ACTION_NO_ACTION) {
NeedReadCapacity = FALSE;
} else {
if (Action == ACTION_READ_CAPACITY) {
NeedReadCapacity = TRUE;
}
@ -1205,6 +1212,11 @@ DetectMediaParsingSenseKeys (
return EFI_SUCCESS;
}
if (ScsiDiskIsResetBefore (SenseData, NumberOfSenseKeys)) {
*Action = ACTION_RETRY_COMMAND_LATER;
return EFI_SUCCESS;
}
if (ScsiDiskIsMediaError (SenseData, NumberOfSenseKeys)) {
ScsiDiskDevice->BlkIo.Media->MediaPresent = FALSE;
ScsiDiskDevice->BlkIo.Media->LastBlock = 0;