/** @file\r
- This file implement UEFI driver for IDE Bus which includes device identification, \r
- Child device(Disk, CDROM, etc) enumeration and child handler installation, and \r
+ This file implement UEFI driver for IDE Bus which includes device identification,\r
+ Child device(Disk, CDROM, etc) enumeration and child handler installation, and\r
driver stop.\r
- \r
- Copyright (c) 2006 - 2008, Intel Corporation\r
- All rights reserved. This program and the accompanying materials\r
+\r
+ Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+ This program and the accompanying materials\r
are licensed and made available under the terms and conditions of the BSD License\r
which accompanies this distribution. The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php\r
@param Handle Handle of device to deregister driver on\r
\r
@retval EFI_SUCCESS Deregiter a specific IDE device successfully\r
- \r
+\r
\r
**/\r
EFI_STATUS\r
EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r
EFI_DEV_PATH *Node;\r
EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeInit;\r
+ EFI_PCI_IO_PROTOCOL *PciIo;\r
+ PCI_TYPE00 PciData;\r
\r
if (RemainingDevicePath != NULL) {\r
Node = (EFI_DEV_PATH *) RemainingDevicePath;\r
- if (Node->DevPath.Type != MESSAGING_DEVICE_PATH ||\r
- Node->DevPath.SubType != MSG_ATAPI_DP ||\r
- DevicePathNodeLength(&Node->DevPath) != sizeof(ATAPI_DEVICE_PATH)) {\r
- return EFI_UNSUPPORTED;\r
+ //\r
+ // Check if RemainingDevicePath is the End of Device Path Node,\r
+ // if yes, go on checking other conditions\r
+ //\r
+ if (!IsDevicePathEnd (Node)) {\r
+ //\r
+ // If RemainingDevicePath isn't the End of Device Path Node,\r
+ // check its validation\r
+ //\r
+ if (Node->DevPath.Type != MESSAGING_DEVICE_PATH ||\r
+ Node->DevPath.SubType != MSG_ATAPI_DP ||\r
+ DevicePathNodeLength(&Node->DevPath) != sizeof(ATAPI_DEVICE_PATH)) {\r
+ return EFI_UNSUPPORTED;\r
+ }\r
}\r
}\r
\r
//\r
- // Open the IO Abstraction(s) needed to perform the supported test\r
+ // Verify the Ide Controller Init Protocol, which installed by the\r
+ // IdeController module.\r
//\r
Status = gBS->OpenProtocol (\r
Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- (VOID **) &ParentDevicePath,\r
+ &gEfiIdeControllerInitProtocolGuid,\r
+ (VOID **) &IdeInit,\r
This->DriverBindingHandle,\r
Controller,\r
EFI_OPEN_PROTOCOL_BY_DRIVER\r
);\r
+\r
if (Status == EFI_ALREADY_STARTED) {\r
return EFI_SUCCESS;\r
}\r
}\r
\r
//\r
- // Close protocol, don't use device path protocol in the .Support() function\r
+ // Close the I/O Abstraction(s) used to perform the supported test\r
//\r
gBS->CloseProtocol (\r
Controller,\r
- &gEfiDevicePathProtocolGuid,\r
+ &gEfiIdeControllerInitProtocolGuid,\r
This->DriverBindingHandle,\r
Controller\r
);\r
\r
//\r
- // Verify the Ide Controller Init Protocol, which installed by the\r
- // IdeController module.\r
- // Note 1: PciIo protocol has been opened BY_DRIVER by ide_init, so We can't\r
- // open BY_DRIVER here) That's why we don't check pciio protocol\r
- // Note 2: ide_init driver check ide controller's pci config space, so we dont\r
- // check here any more to save code size\r
+ // Open the EFI Device Path protocol needed to perform the supported test\r
//\r
Status = gBS->OpenProtocol (\r
Controller,\r
- &gEfiIdeControllerInitProtocolGuid,\r
- (VOID **) &IdeInit,\r
+ &gEfiDevicePathProtocolGuid,\r
+ (VOID **) &ParentDevicePath,\r
This->DriverBindingHandle,\r
Controller,\r
EFI_OPEN_PROTOCOL_BY_DRIVER\r
);\r
-\r
if (Status == EFI_ALREADY_STARTED) {\r
return EFI_SUCCESS;\r
}\r
\r
//\r
- // If protocols were opened normally, closed it\r
+ // Close protocol, don't use device path protocol in the Support() function\r
//\r
gBS->CloseProtocol (\r
Controller,\r
- &gEfiIdeControllerInitProtocolGuid,\r
+ &gEfiDevicePathProtocolGuid,\r
This->DriverBindingHandle,\r
Controller\r
);\r
\r
+ //\r
+ // Get the EfiPciIoProtocol\r
+ //\r
+ Status = gBS->OpenProtocol (\r
+ Controller,\r
+ &gEfiPciIoProtocolGuid,\r
+ (VOID **) &PciIo,\r
+ This->DriverBindingHandle,\r
+ Controller,\r
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
+ );\r
+\r
+ if (EFI_ERROR (Status)) {\r
+ return Status;\r
+ }\r
+\r
+ //\r
+ // Now further check the PCI header: Base class (offset 0x0B) and\r
+ // Sub Class (offset 0x0A). This controller should be an IDE controller\r
+ //\r
+ Status = PciIo->Pci.Read (\r
+ PciIo,\r
+ EfiPciIoWidthUint8,\r
+ 0,\r
+ sizeof (PciData),\r
+ &PciData\r
+ );\r
+\r
+ if (!EFI_ERROR (Status)) {\r
+ //\r
+ // Examine if it is IDE mode by class code\r
+ //\r
+ if ((PciData.Hdr.ClassCode[2] != PCI_CLASS_MASS_STORAGE) || (PciData.Hdr.ClassCode[1] != PCI_SUB_CLASS_IDE)) {\r
+ Status = EFI_UNSUPPORTED;\r
+ } else {\r
+ Status = EFI_SUCCESS;\r
+ }\r
+ }\r
+\r
return Status;\r
}\r
\r
&Supports\r
);\r
if (!EFI_ERROR (Status)) {\r
- Supports &= EFI_PCI_DEVICE_ENABLE;\r
+ Supports &= (UINT64)EFI_PCI_DEVICE_ENABLE;\r
Status = PciIo->Attributes (\r
PciIo,\r
EfiPciIoAttributeOperationEnable,\r
ConfigurationOptions = 0x0f;\r
}\r
\r
- if (EnumAll) {\r
+ if (EnumAll || RemainingDevicePath == NULL) {\r
//\r
- // If IdeInit->EnumAll is TRUE, must enumerate all IDE device anyway\r
+ // If IdeInit->EnumAll is TRUE or RemainingDevicePath is NULL,\r
+ // must enumerate all IDE devices anyway\r
//\r
BeginningIdeChannel = IdePrimary;\r
EndIdeChannel = IdeSecondary;\r
BeginningIdeDevice = IdeMaster;\r
EndIdeDevice = IdeSlave;\r
- } else if (RemainingDevicePath == NULL) {\r
- //\r
- // RemainingDevicePath is NULL, scan IDE bus for each device;\r
- //\r
- BeginningIdeChannel = IdePrimary;\r
- EndIdeChannel = IdeSecondary;\r
- BeginningIdeDevice = IdeMaster;\r
- //\r
- // default, may be redefined by IdeInit\r
- //\r
- EndIdeDevice = IdeSlave;\r
- } else {\r
+\r
+ } else if (!IsDevicePathEnd (RemainingDevicePath)) {\r
//\r
- // RemainingDevicePath is not NULL, only scan the specified device.\r
+ // If RemainingDevicePath isn't the End of Device Path Node,\r
+ // only scan the specified device by RemainingDevicePath\r
//\r
Node = (EFI_DEV_PATH *) RemainingDevicePath;\r
BeginningIdeChannel = Node->Atapi.PrimarySecondary;\r
Status = EFI_INVALID_PARAMETER;\r
goto ErrorExit;\r
}\r
+\r
+ } else {\r
+ //\r
+ // If RemainingDevicePath is the End of Device Path Node,\r
+ // skip enumerate any device and return EFI_SUCESSS\r
+ //\r
+ BeginningIdeChannel = IdeMaxChannel;\r
+ EndIdeChannel = IdeMaxChannel - 1;\r
+ BeginningIdeDevice = IdeMaxDevice;\r
+ EndIdeDevice = IdeMaxDevice - 1;\r
}\r
\r
//\r
//\r
// Discover device, now!\r
//\r
- PERF_START (0, "DiscoverIdeDevice", "IDE", 0);\r
+ PERF_START (NULL, "DiscoverIdeDevice", "IDE", 0);\r
Status = DiscoverIdeDevice (IdeBlkIoDevicePtr);\r
- PERF_END (0, "DiscoverIdeDevice", "IDE", 0);\r
+ PERF_END (NULL, "DiscoverIdeDevice", "IDE", 0);\r
\r
IdeBusDriverPrivateData->HaveScannedDevice[IdeChannel * 2 + IdeDevice] = TRUE;\r
IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice] = FALSE;\r
//\r
for (IdeDevice = BeginningIdeDevice; IdeDevice <= EndIdeDevice; IdeDevice++) {\r
\r
+ ASSERT (IdeChannel * 2 + IdeDevice < MAX_IDE_DEVICE);\r
if (IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice]) {\r
continue;\r
}\r
continue;\r
}\r
\r
+ ASSERT (IdeChannel < IdeMaxChannel && IdeDevice < IdeMaxDevice);\r
IdeBlkIoDevicePtr = IdeBlkIoDevice[IdeChannel][IdeDevice];\r
\r
//\r
//\r
// Init driver parameters\r
//\r
- DriveParameters.Sector = (UINT8) IdeBlkIoDevicePtr->IdData->AtaData.sectors_per_track;\r
- DriveParameters.Heads = (UINT8) (IdeBlkIoDevicePtr->IdData->AtaData.heads - 1);\r
+ DriveParameters.Sector = (UINT8) ((ATA5_IDENTIFY_DATA *) IdeBlkIoDevicePtr->IdData)->sectors_per_track;\r
+ DriveParameters.Heads = (UINT8) (((ATA5_IDENTIFY_DATA *) IdeBlkIoDevicePtr->IdData)->heads - 1);\r
DriveParameters.MultipleSector = (UINT8) IdeBlkIoDevicePtr->IdData->AtaData.multi_sector_cmd_max_sct_cnt;\r
//\r
// Set Parameters for the device:\r
IdeInit->NotifyPhase (IdeInit, EfiIdeBusPhaseMaximum, 0);\r
\r
if (SupportedModes != NULL) {\r
- gBS->FreePool (SupportedModes);\r
+ FreePool (SupportedModes);\r
}\r
\r
- PERF_START (0, "Finish IDE detection", "IDE", 1);\r
- PERF_END (0, "Finish IDE detection", "IDE", 0);\r
+ PERF_START (NULL, "Finish IDE detection", "IDE", 1);\r
+ PERF_END (NULL, "Finish IDE detection", "IDE", 0);\r
\r
return EFI_SUCCESS;\r
\r
&Supports\r
);\r
if (!EFI_ERROR (Status)) {\r
- Supports &= EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO | EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO | EFI_PCI_DEVICE_ENABLE;\r
+ Supports &= (UINT64)(EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO | EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO | EFI_PCI_DEVICE_ENABLE);\r
PciIo->Attributes (\r
PciIo,\r
EfiPciIoAttributeOperationDisable,\r
\r
@param This Block IO protocol instance pointer.\r
@param MediaId The media ID of the device\r
- @param LBA Starting LBA address to read data\r
+ @param Lba Starting LBA address to read data\r
@param BufferSize The size of data to be read\r
@param Buffer Caller supplied buffer to save data\r
\r
IDEBlkIoReadBlocks (\r
IN EFI_BLOCK_IO_PROTOCOL *This,\r
IN UINT32 MediaId,\r
- IN EFI_LBA LBA,\r
+ IN EFI_LBA Lba,\r
IN UINTN BufferSize,\r
OUT VOID *Buffer\r
)\r
Status = AtaBlkIoReadBlocks (\r
IdeBlkIoDevice,\r
MediaId,\r
- LBA,\r
+ Lba,\r
BufferSize,\r
Buffer\r
);\r
Status = AtapiBlkIoReadBlocks (\r
IdeBlkIoDevice,\r
MediaId,\r
- LBA,\r
+ Lba,\r
BufferSize,\r
Buffer\r
);\r
}\r
\r
/**\r
- Write data to block io device\r
+ Write data to block io device.\r
\r
@param This Protocol instance pointer.\r
@param MediaId The media ID of the device\r
- @param LBA Starting LBA address to write data\r
+ @param Lba Starting LBA address to write data\r
@param BufferSize The size of data to be written\r
@param Buffer Caller supplied buffer to save data\r
\r
IDEBlkIoWriteBlocks (\r
IN EFI_BLOCK_IO_PROTOCOL *This,\r
IN UINT32 MediaId,\r
- IN EFI_LBA LBA,\r
+ IN EFI_LBA Lba,\r
IN UINTN BufferSize,\r
IN VOID *Buffer\r
)\r
Status = AtaBlkIoWriteBlocks (\r
IdeBlkIoDevice,\r
MediaId,\r
- LBA,\r
+ Lba,\r
BufferSize,\r
Buffer\r
);\r
Status = AtapiBlkIoWriteBlocks (\r
IdeBlkIoDevice,\r
MediaId,\r
- LBA,\r
+ Lba,\r
BufferSize,\r
Buffer\r
);\r
/**\r
Flushes all modified data to a physical block devices\r
\r
- @param This Indicates a pointer to the calling context which to sepcify a \r
+ @param This Indicates a pointer to the calling context which to sepcify a\r
sepcific block device\r
\r
@retval EFI_SUCCESS Always return success.\r
}\r
\r
/**\r
- Return the results of the Inquiry command to a drive in InquiryData.\r
- Data format of Inquiry data is defined by the Interface GUID.\r
+ This function is used by the IDE bus driver to get inquiry data.\r
+ Data format of Identify data is defined by the Interface GUID.\r
\r
- @param This Protocol instance pointer.\r
- @param InquiryData Results of Inquiry command to device\r
- @param InquiryDataSize Size of InquiryData in bytes.\r
+ @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r
+ @param InquiryData Pointer to a buffer for the inquiry data.\r
+ @param InquiryDataSize Pointer to the value for the inquiry data size.\r
\r
- @retval EFI_SUCCESS InquiryData valid\r
- @retval EFI_NOT_FOUND Device does not support this data class\r
- @retval EFI_DEVICE_ERROR Error reading InquiryData from device\r
- @retval EFI_BUFFER_TOO_SMALL IntquiryDataSize not big enough\r
+ @retval EFI_SUCCESS The command was accepted without any errors.\r
+ @retval EFI_NOT_FOUND Device does not support this data class\r
+ @retval EFI_DEVICE_ERROR Error reading InquiryData from device\r
+ @retval EFI_BUFFER_TOO_SMALL IntquiryDataSize not big enough\r
\r
**/\r
EFI_STATUS\r
}\r
\r
/**\r
- Return the results of the Identify command to a drive in IdentifyData.\r
+ This function is used by the IDE bus driver to get identify data.\r
Data format of Identify data is defined by the Interface GUID.\r
\r
- @param This Protocol instance pointer.\r
- @param IdentifyData Results of Identify command to device\r
- @param IdentifyDataSize Size of IdentifyData in bytes.\r
+ @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r
+ @param IdentifyData Pointer to a buffer for the identify data.\r
+ @param IdentifyDataSize Pointer to the value for the identify data size.\r
\r
- @retval EFI_SUCCESS IdentifyData valid\r
- @retval EFI_NOT_FOUND Device does not support this data class\r
- @retval EFI_DEVICE_ERROR Error reading IdentifyData from device\r
- @retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough\r
+ @retval EFI_SUCCESS The command was accepted without any errors.\r
+ @retval EFI_NOT_FOUND Device does not support this data class\r
+ @retval EFI_DEVICE_ERROR Error reading IdentifyData from device\r
+ @retval EFI_BUFFER_TOO_SMALL IdentifyDataSize not big enough\r
\r
**/\r
EFI_STATUS\r
}\r
\r
/**\r
- Return the results of the Request Sense command to a drive in SenseData.\r
+ This function is used by the IDE bus driver to get sense data.\r
Data format of Sense data is defined by the Interface GUID.\r
\r
- @param This Protocol instance pointer.\r
- @param SenseData Results of Request Sense command to device\r
- @param SenseDataSize Size of SenseData in bytes.\r
- @param SenseDataNumber Type of SenseData\r
+ @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r
+ @param SenseData Pointer to the SenseData.\r
+ @param SenseDataSize Size of SenseData in bytes.\r
+ @param SenseDataNumber Pointer to the value for the identify data size.\r
\r
- @retval EFI_SUCCESS InquiryData valid\r
- @retval EFI_NOT_FOUND Device does not support this data class\r
- @retval EFI_DEVICE_ERROR Error reading InquiryData from device\r
- @retval EFI_BUFFER_TOO_SMALL SenseDataSize not big enough\r
+ @retval EFI_SUCCESS The command was accepted without any errors.\r
+ @retval EFI_NOT_FOUND Device does not support this data class\r
+ @retval EFI_DEVICE_ERROR Error reading InquiryData from device\r
+ @retval EFI_BUFFER_TOO_SMALL SenseDataSize not big enough\r
\r
**/\r
EFI_STATUS\r
}\r
\r
/**\r
- Return the results of the Request Sense command to a drive in SenseData.\r
- Data format of Sense data is defined by the Interface GUID.\r
+ This function is used by the IDE bus driver to get controller information.\r
\r
- @param This Protocol instance pointer.\r
- @param IdeChannel Primary or Secondary\r
- @param IdeDevice Master or Slave\r
+ @param This Pointer to the EFI_DISK_INFO_PROTOCOL instance.\r
+ @param IdeChannel Pointer to the Ide Channel number. Primary or secondary.\r
+ @param IdeDevice Pointer to the Ide Device number. Master or slave.\r
\r
- @retval EFI_SUCCESS IdeChannel and IdeDevice are valid\r
- @retval EFI_UNSUPPORTED This is not an IDE device\r
+ @retval EFI_SUCCESS IdeChannel and IdeDevice are valid\r
+ @retval EFI_UNSUPPORTED This is not an IDE device\r
\r
**/\r
EFI_STATUS\r
}\r
\r
/**\r
- The is an event(generally the event is exitBootService event) call back function. \r
+ The is an event(generally the event is exitBootService event) call back function.\r
Clear pending IDE interrupt before OS loader/kernel take control of the IDE device.\r
\r
@param Event Pointer to this event\r
- @param Context Event hanlder private data\r
+ @param Context Event handler private data\r
\r
**/\r
VOID\r
// Reset IDE device to force it de-assert interrupt pin\r
// Note: this will reset all devices on this IDE channel\r
//\r
- AtaSoftReset (IdeDev);\r
+ Status = AtaSoftReset (IdeDev);\r
if (EFI_ERROR (Status)) {\r
return;\r
}\r
/**\r
The user Entry Point for module IdeBus. The user code starts with this function.\r
\r
- @param[in] ImageHandle The firmware allocated handle for the EFI image. \r
+ @param[in] ImageHandle The firmware allocated handle for the EFI image.\r
@param[in] SystemTable A pointer to the EFI System Table.\r
- \r
+\r
@retval EFI_SUCCESS The entry point is executed successfully.\r
@retval other Some error occurs when executing this entry point.\r
\r
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