- Copyright (c) 2006 - 2008, Intel Corporation\r
- All rights reserved. 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
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
- @par Revision Reference:\r
- This module is modified from DXE\IDE module for Ide Contriller Init support\r
-\r
-**/\r
-\r
-#include "IdeBus.h"\r
-\r
-#define PCI_CLASS_MASS_STORAGE 0x01\r
-#define PCI_SUB_CLASS_IDE 0x01\r
-\r
-\r
-//\r
-// IDE Bus Driver Binding Protocol Instance\r
-//\r
-EFI_DRIVER_BINDING_PROTOCOL gIDEBusDriverBinding = {\r
- IDEBusDriverBindingSupported,\r
- IDEBusDriverBindingStart,\r
- IDEBusDriverBindingStop,\r
- 0xa,\r
- NULL,\r
- NULL\r
-};\r
-/**\r
- Deregister an IDE device and free resources\r
-\r
- @param This Protocol instance pointer.\r
- @param Controller Ide device handle\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
-EFI_STATUS\r
-DeRegisterIdeDevice (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Controller,\r
- IN EFI_HANDLE Handle\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_BLOCK_IO_PROTOCOL *BlkIo;\r
- IDE_BLK_IO_DEV *IdeBlkIoDevice;\r
- EFI_PCI_IO_PROTOCOL *PciIo;\r
- UINTN Index;\r
-\r
- Status = gBS->OpenProtocol (\r
- Handle,\r
- &gEfiBlockIoProtocolGuid,\r
- (VOID **) &BlkIo,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
- );\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (BlkIo);\r
-\r
- //\r
- // Report Status code: Device disabled\r
- //\r
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
- EFI_PROGRESS_CODE,\r
- (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_DISABLE),\r
- IdeBlkIoDevice->DevicePath\r
- );\r
-\r
- //\r
- // Close the child handle\r
- //\r
- Status = gBS->CloseProtocol (\r
- Controller,\r
- &gEfiPciIoProtocolGuid,\r
- This->DriverBindingHandle,\r
- Handle\r
- );\r
-\r
- Status = gBS->UninstallMultipleProtocolInterfaces (\r
- Handle,\r
- &gEfiDevicePathProtocolGuid,\r
- IdeBlkIoDevice->DevicePath,\r
- &gEfiBlockIoProtocolGuid,\r
- &IdeBlkIoDevice->BlkIo,\r
- &gEfiDiskInfoProtocolGuid,\r
- &IdeBlkIoDevice->DiskInfo,\r
- NULL\r
- );\r
-\r
- if (EFI_ERROR (Status)) {\r
- gBS->OpenProtocol (\r
- Controller,\r
- &gEfiPciIoProtocolGuid,\r
- (VOID **) &PciIo,\r
- This->DriverBindingHandle,\r
- Handle,\r
- EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
- );\r
- return Status;\r
- }\r
-\r
- //\r
- // Release allocated resources\r
- //\r
- Index = IdeBlkIoDevice->Channel * 2 + IdeBlkIoDevice->Device;\r
- if (Index < MAX_IDE_DEVICE) {\r
- IdeBlkIoDevice->IdeBusDriverPrivateData->HaveScannedDevice[Index] = FALSE;\r
- }\r
- ReleaseIdeResources (IdeBlkIoDevice);\r
-\r
- return EFI_SUCCESS;\r
-}\r
-/**\r
- Supported function of Driver Binding protocol for this driver.\r
-\r
- @param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.\r
- @param ControllerHandle The handle of the controller to test.\r
- @param RemainingDevicePath A pointer to the remaining portion of a device path.\r
-\r
- @retval EFI_SUCCESS Driver loaded.\r
- @retval other Driver not loaded.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-IDEBusDriverBindingSupported (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Controller,\r
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r
- EFI_DEV_PATH *Node;\r
- EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeInit;\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
- }\r
-\r
- //\r
- // Open the IO Abstraction(s) needed to perform the supported test\r
- //\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- (VOID **) &ParentDevicePath,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
- if (Status == EFI_ALREADY_STARTED) {\r
- return EFI_SUCCESS;\r
- }\r
-\r
- if (EFI_ERROR (Status)) {\r
- return Status;\r
- }\r
-\r
- //\r
- // Close protocol, don't use device path protocol in the .Support() function\r
- //\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\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
- //\r
- Status = gBS->OpenProtocol (\r
- Controller,\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
- // If protocols were opened normally, closed it\r
- //\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiIdeControllerInitProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
-\r
- return Status;\r
-}\r
-\r
-\r
-/**\r
- Start function of Driver binding protocol which start this driver on Controller\r
- by detecting all disks and installing BlockIo protocol on them.\r
-\r
- @param This Protocol instance pointer.\r
- @param Controller Handle of device to bind driver to.\r
- @param RemainingDevicePath produce all possible children.\r
-\r
- @retval EFI_SUCCESS This driver is added to ControllerHandle.\r
- @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle.\r
- @retval other This driver does not support this device.\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-IDEBusDriverBindingStart (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Controller,\r
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_STATUS SavedStatus;\r
- EFI_PCI_IO_PROTOCOL *PciIo;\r
- EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;\r
- EFI_DEV_PATH *Node;\r
- UINT8 IdeChannel;\r
- UINT8 BeginningIdeChannel;\r
- UINT8 EndIdeChannel;\r
- UINT8 IdeDevice;\r
- UINT8 BeginningIdeDevice;\r
- UINT8 EndIdeDevice;\r
- IDE_BLK_IO_DEV *IdeBlkIoDevice[IdeMaxChannel][IdeMaxDevice];\r
- IDE_BLK_IO_DEV *IdeBlkIoDevicePtr;\r
- IDE_REGISTERS_BASE_ADDR IdeRegsBaseAddr[IdeMaxChannel];\r
- ATA_TRANSFER_MODE TransferMode;\r
- ATA_DRIVE_PARMS DriveParameters;\r
- EFI_DEV_PATH NewNode;\r
- UINT8 ConfigurationOptions;\r
- UINT16 CommandBlockBaseAddr;\r
- UINT16 ControlBlockBaseAddr;\r
- UINTN DataSize;\r
- IDE_BUS_DRIVER_PRIVATE_DATA *IdeBusDriverPrivateData;\r
- UINT64 Supports;\r
-\r
- //\r
- // Local variables declaration for IdeControllerInit support\r
- //\r
- EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeInit;\r
- BOOLEAN EnumAll;\r
- BOOLEAN ChannelEnabled;\r
- UINT8 MaxDevices;\r
- EFI_IDENTIFY_DATA IdentifyData;\r
- EFI_ATA_COLLECTIVE_MODE *SupportedModes;\r
-\r
- IdeBusDriverPrivateData = NULL;\r
- SupportedModes = NULL;\r
-\r
- //\r
- // Perform IdeBus initialization\r
- //\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- (VOID **) &ParentDevicePath,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
- if ((EFI_ERROR (Status)) && (Status != EFI_ALREADY_STARTED)) {\r
- return Status;\r
- }\r
-\r
- //\r
- // Now open the IDE_CONTROLLER_INIT protocol. Step7.1\r
- //\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiIdeControllerInitProtocolGuid,\r
- (VOID **) &IdeInit,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_BY_DRIVER\r
- );\r
-\r
- //\r
- // The following OpenProtocol function with _GET_PROTOCOL attribute and\r
- // will not return EFI_ALREADY_STARTED, so save it for now\r
- //\r
- SavedStatus = Status;\r
-\r
- if ((EFI_ERROR (Status)) && (Status != EFI_ALREADY_STARTED)) {\r
- DEBUG ((EFI_D_ERROR, "Open Init, Status=%x", Status));\r
- //\r
- // open protocol is not SUCCESS or not ALREADY_STARTED, error exit\r
- //\r
- goto ErrorExit;\r
- }\r
-\r
- //\r
- // Save Enumall. Step7.2\r
- //\r
- EnumAll = IdeInit->EnumAll;\r
-\r
- //\r
- // Consume PCI I/O protocol. Note that the OpenProtocol with _GET_PROTOCOL\r
- // attribute will not return EFI_ALREADY_STARTED\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
- if (EFI_ERROR (Status)) {\r
- DEBUG ((EFI_D_ERROR, "Open PciIo, Status=%x", Status));\r
- goto ErrorExit;\r
- }\r
-\r
- //\r
- // We must check EFI_ALREADY_STARTED because many ATAPI devices are removable\r
- //\r
- if (SavedStatus != EFI_ALREADY_STARTED) {\r
- IdeBusDriverPrivateData = AllocatePool (sizeof (IDE_BUS_DRIVER_PRIVATE_DATA));\r
- if (IdeBusDriverPrivateData == NULL) {\r
- Status = EFI_OUT_OF_RESOURCES;\r
- goto ErrorExit;\r
- }\r
-\r
- ZeroMem (IdeBusDriverPrivateData, sizeof (IDE_BUS_DRIVER_PRIVATE_DATA));\r
- Status = gBS->InstallMultipleProtocolInterfaces (\r
- &Controller,\r
- &gEfiCallerIdGuid,\r
- IdeBusDriverPrivateData,\r
- NULL\r
- );\r
- if (EFI_ERROR (Status)) {\r
- goto ErrorExit;\r
- }\r
-\r
- } else {\r
- Status = gBS->OpenProtocol (\r
- Controller,\r
- &gEfiCallerIdGuid,\r
- (VOID **) &IdeBusDriverPrivateData,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
- );\r
- if (EFI_ERROR (Status)) {\r
- IdeBusDriverPrivateData = NULL;\r
- goto ErrorExit;\r
- }\r
- }\r
-\r
- Status = PciIo->Attributes (\r
- PciIo,\r
- EfiPciIoAttributeOperationSupported,\r
- 0,\r
- &Supports\r
- );\r
- if (!EFI_ERROR (Status)) {\r
- Supports &= EFI_PCI_DEVICE_ENABLE;\r
- Status = PciIo->Attributes (\r
- PciIo,\r
- EfiPciIoAttributeOperationEnable,\r
- Supports,\r
- NULL\r
- );\r
- }\r
-\r
- if (EFI_ERROR (Status)) {\r
- goto ErrorExit;\r
- }\r
-\r
- //\r
- // Read the environment variable that contains the IDEBus Driver's\r
- // Config options that were set by the Driver Configuration Protocol\r
- //\r
- DataSize = sizeof (ConfigurationOptions);\r
- Status = gRT->GetVariable (\r
- (CHAR16 *) L"Configuration",\r
- &gEfiCallerIdGuid,\r
- NULL,\r
- &DataSize,\r
- &ConfigurationOptions\r
- );\r
- if (EFI_ERROR (Status)) {\r
- ConfigurationOptions = 0x0f;\r
- }\r
-\r
- if (EnumAll) {\r
- //\r
- // If IdeInit->EnumAll is TRUE, must enumerate all IDE device 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
- // RemainingDevicePath is not NULL, only scan the specified device.\r
- //\r
- Node = (EFI_DEV_PATH *) RemainingDevicePath;\r
- BeginningIdeChannel = Node->Atapi.PrimarySecondary;\r
- EndIdeChannel = BeginningIdeChannel;\r
- BeginningIdeDevice = Node->Atapi.SlaveMaster;\r
- EndIdeDevice = BeginningIdeDevice;\r
- if (BeginningIdeChannel >= IdeMaxChannel || EndIdeChannel >= IdeMaxChannel) {\r
- Status = EFI_INVALID_PARAMETER;\r
- goto ErrorExit;\r
- }\r
- if (BeginningIdeDevice >= IdeMaxDevice|| EndIdeDevice >= IdeMaxDevice) {\r
- Status = EFI_INVALID_PARAMETER;\r
- goto ErrorExit;\r
- }\r
- }\r
-\r
- //\r
- // Obtain IDE IO port registers' base addresses\r
- //\r
- Status = GetIdeRegistersBaseAddr (PciIo, IdeRegsBaseAddr);\r
- if (EFI_ERROR (Status)) {\r
- goto ErrorExit;\r
- }\r
-\r
- //\r
- // Report status code: begin IdeBus initialization\r
- //\r
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
- EFI_PROGRESS_CODE,\r
- (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_PC_RESET),\r
- ParentDevicePath\r
- );\r
-\r
- //\r
- // Strictly follow the enumeration based on IDE_CONTROLLER_INIT protocol\r
- //\r
- for (IdeChannel = BeginningIdeChannel; IdeChannel <= EndIdeChannel; IdeChannel++) {\r
-\r
- IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelEnumeration, IdeChannel);\r
-\r
- //\r
- // now obtain channel information fron IdeControllerInit protocol. Step9\r
- //\r
- Status = IdeInit->GetChannelInfo (\r
- IdeInit,\r
- IdeChannel,\r
- &ChannelEnabled,\r
- &MaxDevices\r
- );\r
- if (EFI_ERROR (Status)) {\r
- DEBUG ((EFI_D_ERROR, "[GetChannel, Status=%x]", Status));\r
- continue;\r
- }\r
-\r
- if (!ChannelEnabled) {\r
- continue;\r
- }\r
-\r
- EndIdeDevice = (UINT8) MIN ((MaxDevices - 1), EndIdeDevice);\r
- ASSERT (EndIdeDevice < IdeMaxDevice);\r
- //\r
- // Now inform the IDE Controller Init Module. Sept10\r
- //\r
- IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelReset, IdeChannel);\r
-\r
- //\r
- // No reset channel function implemented. Sept11\r
- //\r
- IdeInit->NotifyPhase (IdeInit, EfiIdeAfterChannelReset, IdeChannel);\r
-\r
- //\r
- // Step13\r
- //\r
- IdeInit->NotifyPhase (\r
- IdeInit,\r
- EfiIdeBusBeforeDevicePresenceDetection,\r
- IdeChannel\r
- );\r
-\r
- //\r
- // Prepare to detect IDE device of this channel\r
- //\r
- InitializeIDEChannelData ();\r
-\r
- //\r
- // -- 1st inner loop --- Master/Slave ------------ Step14\r
- //\r
- for (IdeDevice = BeginningIdeDevice; IdeDevice <= EndIdeDevice; IdeDevice++) {\r
- //\r
- // Check whether the configuration options allow this device\r
- //\r
- if ((ConfigurationOptions & (1 << (IdeChannel * 2 + IdeDevice))) == 0) {\r
- continue;\r
- }\r
-\r
- //\r
- // The device has been scanned in another Start(), No need to scan it again\r
- // for perf optimization.\r
- //\r
- if (IdeBusDriverPrivateData->HaveScannedDevice[IdeChannel * 2 + IdeDevice]) {\r
- continue;\r
- }\r
-\r
- //\r
- // create child handle for the detected device.\r
- //\r
- IdeBlkIoDevice[IdeChannel][IdeDevice] = AllocatePool (sizeof (IDE_BLK_IO_DEV));\r
- if (IdeBlkIoDevice[IdeChannel][IdeDevice] == NULL) {\r
- continue;\r
- }\r
-\r
- IdeBlkIoDevicePtr = IdeBlkIoDevice[IdeChannel][IdeDevice];\r
-\r
- ZeroMem (IdeBlkIoDevicePtr, sizeof (IDE_BLK_IO_DEV));\r
-\r
- IdeBlkIoDevicePtr->Signature = IDE_BLK_IO_DEV_SIGNATURE;\r
- IdeBlkIoDevicePtr->Channel = (EFI_IDE_CHANNEL) IdeChannel;\r
- IdeBlkIoDevicePtr->Device = (EFI_IDE_DEVICE) IdeDevice;\r
-\r
- //\r
- // initialize Block IO interface's Media pointer\r
- //\r
- IdeBlkIoDevicePtr->BlkIo.Media = &IdeBlkIoDevicePtr->BlkMedia;\r
-\r
- //\r
- // Initialize IDE IO port addresses, including Command Block registers\r
- // and Control Block registers\r
- //\r
- IdeBlkIoDevicePtr->IoPort = AllocatePool (sizeof (IDE_BASE_REGISTERS));\r
- if (IdeBlkIoDevicePtr->IoPort == NULL) {\r
- continue;\r
- }\r
-\r
- ZeroMem (IdeBlkIoDevicePtr->IoPort, sizeof (IDE_BASE_REGISTERS));\r
- CommandBlockBaseAddr = IdeRegsBaseAddr[IdeChannel].CommandBlockBaseAddr;\r
- ControlBlockBaseAddr = IdeRegsBaseAddr[IdeChannel].ControlBlockBaseAddr;\r
-\r
- IdeBlkIoDevicePtr->IoPort->Data = CommandBlockBaseAddr;\r
- (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Reg1) = (UINT16) (CommandBlockBaseAddr + 0x01);\r
- IdeBlkIoDevicePtr->IoPort->SectorCount = (UINT16) (CommandBlockBaseAddr + 0x02);\r
- IdeBlkIoDevicePtr->IoPort->SectorNumber = (UINT16) (CommandBlockBaseAddr + 0x03);\r
- IdeBlkIoDevicePtr->IoPort->CylinderLsb = (UINT16) (CommandBlockBaseAddr + 0x04);\r
- IdeBlkIoDevicePtr->IoPort->CylinderMsb = (UINT16) (CommandBlockBaseAddr + 0x05);\r
- IdeBlkIoDevicePtr->IoPort->Head = (UINT16) (CommandBlockBaseAddr + 0x06);\r
- (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Reg) = (UINT16) (CommandBlockBaseAddr + 0x07);\r
-\r
- (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Alt) = ControlBlockBaseAddr;\r
- IdeBlkIoDevicePtr->IoPort->DriveAddress = (UINT16) (ControlBlockBaseAddr + 0x01);\r
-\r
- IdeBlkIoDevicePtr->IoPort->MasterSlave = (UINT16) ((IdeDevice == IdeMaster) ? 1 : 0);\r
-\r
- IdeBlkIoDevicePtr->PciIo = PciIo;\r
- IdeBlkIoDevicePtr->IdeBusDriverPrivateData = IdeBusDriverPrivateData;\r
- IdeBlkIoDevicePtr->IoPort->BusMasterBaseAddr = IdeRegsBaseAddr[IdeChannel].BusMasterBaseAddr;\r
-\r
- //\r
- // Report Status code: is about to detect IDE drive\r
- //\r
- REPORT_STATUS_CODE_EX (\r
- EFI_PROGRESS_CODE,\r
- (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_PRESENCE_DETECT),\r
- 0,\r
- &gEfiCallerIdGuid,\r
- NULL,\r
- NULL,\r
- 0\r
- );\r
-\r
- //\r
- // Discover device, now!\r
- //\r
- PERF_START (0, "DiscoverIdeDevice", "IDE", 0);\r
- Status = DiscoverIdeDevice (IdeBlkIoDevicePtr);\r
- PERF_END (0, "DiscoverIdeDevice", "IDE", 0);\r
-\r
- IdeBusDriverPrivateData->HaveScannedDevice[IdeChannel * 2 + IdeDevice] = TRUE;\r
- IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice] = FALSE;\r
-\r
- if (!EFI_ERROR (Status)) {\r
- //\r
- // Set Device Path\r
- //\r
- ZeroMem (&NewNode, sizeof (NewNode));\r
- NewNode.DevPath.Type = MESSAGING_DEVICE_PATH;\r
- NewNode.DevPath.SubType = MSG_ATAPI_DP;\r
- SetDevicePathNodeLength (&NewNode.DevPath, sizeof (ATAPI_DEVICE_PATH));\r
-\r
- NewNode.Atapi.PrimarySecondary = (UINT8) IdeBlkIoDevicePtr->Channel;\r
- NewNode.Atapi.SlaveMaster = (UINT8) IdeBlkIoDevicePtr->Device;\r
- NewNode.Atapi.Lun = IdeBlkIoDevicePtr->Lun;\r
- IdeBlkIoDevicePtr->DevicePath = AppendDevicePathNode (\r
- ParentDevicePath,\r
- &NewNode.DevPath\r
- );\r
- if (IdeBlkIoDevicePtr->DevicePath == NULL) {\r
- ReleaseIdeResources (IdeBlkIoDevicePtr);\r
- continue;\r
- }\r
-\r
- //\r
- // Submit identify data to IDE controller init driver\r
- //\r
- CopyMem (&IdentifyData, IdeBlkIoDevicePtr->IdData, sizeof (IdentifyData));\r
- IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = TRUE;\r
- IdeInit->SubmitData (IdeInit, IdeChannel, IdeDevice, &IdentifyData);\r
- } else {\r
- //\r
- // Device detection failed\r
- //\r
- IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;\r
- IdeInit->SubmitData (IdeInit, IdeChannel, IdeDevice, NULL);\r
- ReleaseIdeResources (IdeBlkIoDevicePtr);\r
- IdeBlkIoDevicePtr = NULL;\r
- }\r
- //\r
- // end of 1st inner loop ---\r
- //\r
- }\r
- //\r
- // end of 1st outer loop =========\r
- //\r
- }\r
-\r
- //\r
- // = 2nd outer loop == Primary/Secondary =================\r
- //\r
- for (IdeChannel = BeginningIdeChannel; IdeChannel <= EndIdeChannel; IdeChannel++) {\r
-\r
- //\r
- // -- 2nd inner loop --- Master/Slave --------\r
- //\r
- for (IdeDevice = BeginningIdeDevice; IdeDevice <= EndIdeDevice; IdeDevice++) {\r
-\r
- if (IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice]) {\r
- continue;\r
- }\r
-\r
- if (!IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice]) {\r
- continue;\r
- }\r
-\r
- Status = IdeInit->CalculateMode (\r
- IdeInit,\r
- IdeChannel,\r
- IdeDevice,\r
- &SupportedModes\r
- );\r
- if (EFI_ERROR (Status)) {\r
- DEBUG ((EFI_D_ERROR, "[bStStp20S=%x]", Status));\r
- continue;\r
- }\r
-\r
- IdeBlkIoDevicePtr = IdeBlkIoDevice[IdeChannel][IdeDevice];\r
-\r
- //\r
- // Set best supported PIO mode on this IDE device\r
- //\r
- if (SupportedModes->PioMode.Mode <= AtaPioMode2) {\r
- TransferMode.ModeCategory = ATA_MODE_CATEGORY_DEFAULT_PIO;\r
- } else {\r
- TransferMode.ModeCategory = ATA_MODE_CATEGORY_FLOW_PIO;\r
- }\r
-\r
- TransferMode.ModeNumber = (UINT8) (SupportedModes->PioMode.Mode);\r
-\r
- if (SupportedModes->ExtModeCount == 0){\r
- Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode);\r
-\r
- if (EFI_ERROR (Status)) {\r
- IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;\r
- ReleaseIdeResources (IdeBlkIoDevicePtr);\r
- IdeBlkIoDevicePtr = NULL;\r
- continue;\r
- }\r
- }\r
-\r
- //\r
- // Set supported DMA mode on this IDE device. Note that UDMA & MDMA cann't\r
- // be set together. Only one DMA mode can be set to a device. If setting\r
- // DMA mode operation fails, we can continue moving on because we only use\r
- // PIO mode at boot time. DMA modes are used by certain kind of OS booting\r
- //\r
- if (SupportedModes->UdmaMode.Valid) {\r
-\r
- TransferMode.ModeCategory = ATA_MODE_CATEGORY_UDMA;\r
- TransferMode.ModeNumber = (UINT8) (SupportedModes->UdmaMode.Mode);\r
- Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode);\r
-\r
- if (EFI_ERROR (Status)) {\r
- IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;\r
- ReleaseIdeResources (IdeBlkIoDevicePtr);\r
- IdeBlkIoDevicePtr = NULL;\r
- continue;\r
- }\r
- //\r
- // Record Udma Mode\r
- //\r
- IdeBlkIoDevicePtr->UdmaMode.Valid = TRUE;\r
- IdeBlkIoDevicePtr->UdmaMode.Mode = SupportedModes->UdmaMode.Mode;\r
- EnableInterrupt (IdeBlkIoDevicePtr);\r
- } else if (SupportedModes->MultiWordDmaMode.Valid) {\r
-\r
- TransferMode.ModeCategory = ATA_MODE_CATEGORY_MDMA;\r
- TransferMode.ModeNumber = (UINT8) SupportedModes->MultiWordDmaMode.Mode;\r
- Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode);\r
-\r
- if (EFI_ERROR (Status)) {\r
- IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;\r
- ReleaseIdeResources (IdeBlkIoDevicePtr);\r
- IdeBlkIoDevicePtr = NULL;\r
- continue;\r
- }\r
-\r
- EnableInterrupt (IdeBlkIoDevicePtr);\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.MultipleSector = (UINT8) IdeBlkIoDevicePtr->IdData->AtaData.multi_sector_cmd_max_sct_cnt;\r
- //\r
- // Set Parameters for the device:\r
- // 1) Init\r
- // 2) Establish the block count for READ/WRITE MULTIPLE (EXT) command\r
- //\r
- if ((IdeBlkIoDevicePtr->Type == IdeHardDisk) || (IdeBlkIoDevicePtr->Type == Ide48bitAddressingHardDisk)) {\r
- Status = SetDriveParameters (IdeBlkIoDevicePtr, &DriveParameters);\r
- }\r
-\r
- //\r
- // Record PIO mode used in private data\r
- //\r
- IdeBlkIoDevicePtr->PioMode = (ATA_PIO_MODE) SupportedModes->PioMode.Mode;\r
-\r
- //\r
- // Set IDE controller Timing Blocks in the PCI Configuration Space\r
- //\r
- IdeInit->SetTiming (IdeInit, IdeChannel, IdeDevice, SupportedModes);\r
-\r
- //\r
- // Add Component Name for the IDE/ATAPI device that was discovered.\r
- //\r
- IdeBlkIoDevicePtr->ControllerNameTable = NULL;\r
- ADD_IDE_ATAPI_NAME (IdeBlkIoDevicePtr);\r
-\r
- Status = gBS->InstallMultipleProtocolInterfaces (\r
- &IdeBlkIoDevicePtr->Handle,\r
- &gEfiDevicePathProtocolGuid,\r
- IdeBlkIoDevicePtr->DevicePath,\r
- &gEfiBlockIoProtocolGuid,\r
- &IdeBlkIoDevicePtr->BlkIo,\r
- &gEfiDiskInfoProtocolGuid,\r
- &IdeBlkIoDevicePtr->DiskInfo,\r
- NULL\r
- );\r
-\r
- if (EFI_ERROR (Status)) {\r
- ReleaseIdeResources (IdeBlkIoDevicePtr);\r
- }\r
-\r
- gBS->OpenProtocol (\r
- Controller,\r
- &gEfiPciIoProtocolGuid,\r
- (VOID **) &PciIo,\r
- This->DriverBindingHandle,\r
- IdeBlkIoDevicePtr->Handle,\r
- EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER\r
- );\r
-\r
- IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice] = TRUE;\r
-\r
- //\r
- // Report status code: device eanbled!\r
- //\r
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
- EFI_PROGRESS_CODE,\r
- (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_ENABLE),\r
- IdeBlkIoDevicePtr->DevicePath\r
- );\r
-\r
- //\r
- // Create event to clear pending IDE interrupt\r
- //\r
- Status = gBS->CreateEventEx (\r
- EVT_NOTIFY_SIGNAL,\r
- TPL_NOTIFY,\r
- ClearInterrupt,\r
- IdeBlkIoDevicePtr,\r
- &gEfiEventExitBootServicesGuid,\r
- &IdeBlkIoDevicePtr->ExitBootServiceEvent\r
- );\r
-\r
- //\r
- // end of 2nd inner loop ----\r
- //\r
- }\r
- //\r
- // end of 2nd outer loop ==========\r
- //\r
- }\r
-\r
- //\r
- // All configurations done! Notify IdeController to do post initialization\r
- // work such as saving IDE controller PCI settings for S3 resume\r
- //\r
- IdeInit->NotifyPhase (IdeInit, EfiIdeBusPhaseMaximum, 0);\r
-\r
- if (SupportedModes != NULL) {\r
- gBS->FreePool (SupportedModes);\r
- }\r
-\r
- PERF_START (0, "Finish IDE detection", "IDE", 1);\r
- PERF_END (0, "Finish IDE detection", "IDE", 0);\r
-\r
- return EFI_SUCCESS;\r
-\r
-ErrorExit:\r
-\r
- //\r
- // Report error code: controller error\r
- //\r
- REPORT_STATUS_CODE_WITH_DEVICE_PATH (\r
- EFI_ERROR_CODE | EFI_ERROR_MINOR,\r
- (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_EC_CONTROLLER_ERROR),\r
- ParentDevicePath\r
- );\r
-\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiIdeControllerInitProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
-\r
- gBS->UninstallMultipleProtocolInterfaces (\r
- Controller,\r
- &gEfiCallerIdGuid,\r
- IdeBusDriverPrivateData,\r
- NULL\r
- );\r
-\r
- if (IdeBusDriverPrivateData != NULL) {\r
- gBS->FreePool (IdeBusDriverPrivateData);\r
- }\r
-\r
- if (SupportedModes != NULL) {\r
- gBS->FreePool (SupportedModes);\r
- }\r
-\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiPciIoProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
-\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
-\r
- return Status;\r
-\r
-}\r
-/**\r
- Stop function of Driver Binding Protocol which is to stop the driver on Controller Handle and all\r
- child handle attached to the controller handle if there are.\r
-\r
- @param This Protocol instance pointer.\r
- @param Controller Handle of device to stop driver on\r
- @param NumberOfChildren Not used\r
- @param ChildHandleBuffer Not used\r
-\r
- @retval EFI_SUCCESS This driver is removed DeviceHandle\r
- @retval other This driver was not removed from this device\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-IDEBusDriverBindingStop (\r
- IN EFI_DRIVER_BINDING_PROTOCOL *This,\r
- IN EFI_HANDLE Controller,\r
- IN UINTN NumberOfChildren,\r
- IN EFI_HANDLE *ChildHandleBuffer\r
- )\r
-{\r
- EFI_STATUS Status;\r
- EFI_PCI_IO_PROTOCOL *PciIo;\r
- BOOLEAN AllChildrenStopped;\r
- UINTN Index;\r
- IDE_BUS_DRIVER_PRIVATE_DATA *IdeBusDriverPrivateData;\r
- UINT64 Supports;\r
-\r
- IdeBusDriverPrivateData = NULL;\r
-\r
- if (NumberOfChildren == 0) {\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
- if (!EFI_ERROR (Status)) {\r
- Status = PciIo->Attributes (\r
- PciIo,\r
- EfiPciIoAttributeOperationSupported,\r
- 0,\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
- PciIo->Attributes (\r
- PciIo,\r
- EfiPciIoAttributeOperationDisable,\r
- Supports,\r
- NULL\r
- );\r
- }\r
- }\r
-\r
- gBS->OpenProtocol (\r
- Controller,\r
- &gEfiCallerIdGuid,\r
- (VOID **) &IdeBusDriverPrivateData,\r
- This->DriverBindingHandle,\r
- Controller,\r
- EFI_OPEN_PROTOCOL_GET_PROTOCOL\r
- );\r
-\r
- gBS->UninstallMultipleProtocolInterfaces (\r
- Controller,\r
- &gEfiCallerIdGuid,\r
- IdeBusDriverPrivateData,\r
- NULL\r
- );\r
-\r
- if (IdeBusDriverPrivateData != NULL) {\r
- gBS->FreePool (IdeBusDriverPrivateData);\r
- }\r
- //\r
- // Close the bus driver\r
- //\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiIdeControllerInitProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiPciIoProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
- gBS->CloseProtocol (\r
- Controller,\r
- &gEfiDevicePathProtocolGuid,\r
- This->DriverBindingHandle,\r
- Controller\r
- );\r
-\r
- return EFI_SUCCESS;\r
- }\r
-\r
- AllChildrenStopped = TRUE;\r
-\r
- for (Index = 0; Index < NumberOfChildren; Index++) {\r
-\r
- Status = DeRegisterIdeDevice (This, Controller, ChildHandleBuffer[Index]);\r
-\r
- if (EFI_ERROR (Status)) {\r
- AllChildrenStopped = FALSE;\r
- }\r
- }\r
-\r
- if (!AllChildrenStopped) {\r
- return EFI_DEVICE_ERROR;\r
- }\r
-\r
- return EFI_SUCCESS;\r
-}\r
-\r
-/**\r
- issue ATA or ATAPI command to reset a block IO device.\r
- @param This Block IO protocol instance pointer.\r
- @param ExtendedVerification If FALSE,for ATAPI device, driver will only invoke ATAPI reset method\r
- If TRUE, for ATAPI device, driver need invoke ATA reset method after\r
- invoke ATAPI reset method\r
-\r
- @retval EFI_DEVICE_ERROR When the device is neighther ATA device or ATAPI device.\r
- @retval EFI_SUCCESS The device reset successfully\r
-\r
-**/\r
-EFI_STATUS\r
-EFIAPI\r
-IDEBlkIoReset (\r
- IN EFI_BLOCK_IO_PROTOCOL *This,\r
- IN BOOLEAN ExtendedVerification\r
- )\r
-{\r
- IDE_BLK_IO_DEV *IdeBlkIoDevice;\r
- EFI_STATUS Status;\r
- EFI_TPL OldTpl;\r
-\r
- OldTpl = gBS->RaiseTPL (TPL_CALLBACK);\r
-\r
- IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (This);\r
- //\r
- // Requery IDE IO resources in case of the switch of native and legacy modes\r
- //\r
- ReassignIdeResources (IdeBlkIoDevice);\r
-\r
- //\r
- // for ATA device, using ATA reset method\r
- //\r
- if (IdeBlkIoDevice->Type == IdeHardDisk ||\r
- IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) {\r
- Status = AtaSoftReset (IdeBlkIoDevice);\r
- goto Done;\r
- }\r
-\r
- if (IdeBlkIoDevice->Type == IdeUnknown) {\r
- Status = EFI_DEVICE_ERROR;\r
- goto Done;\r
- }\r
-\r
- //\r
- // for ATAPI device, using ATAPI reset method\r
- //\r
- Status = AtapiSoftReset (IdeBlkIoDevice);\r
- if (ExtendedVerification) {\r
- Status = AtaSoftReset (IdeBlkIoDevice);\r
- }\r
-\r
-Done:\r
- gBS->RestoreTPL (OldTpl);\r
- return Status;\r
-}\r
-\r
-/**\r
- Read data from a block IO device\r
-\r
- @param This Block IO protocol instance pointer.\r
- @param MediaId The media ID of the device\r
+ Copyright (c) 2006 - 2008, Intel Corporation
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+ @par Revision Reference:
+ This module is modified from DXE\IDE module for Ide Contriller Init support
+
+**/
+
+#include "IdeBus.h"
+
+#define PCI_CLASS_MASS_STORAGE 0x01
+#define PCI_SUB_CLASS_IDE 0x01
+
+
+//
+// IDE Bus Driver Binding Protocol Instance
+//
+EFI_DRIVER_BINDING_PROTOCOL gIDEBusDriverBinding = {
+ IDEBusDriverBindingSupported,
+ IDEBusDriverBindingStart,
+ IDEBusDriverBindingStop,
+ 0xa,
+ NULL,
+ NULL
+};
+/**
+ Deregister an IDE device and free resources
+
+ @param This Protocol instance pointer.
+ @param Controller Ide device handle
+ @param Handle Handle of device to deregister driver on
+
+ @retval EFI_SUCCESS Deregiter a specific IDE device successfully
+
+
+**/
+EFI_STATUS
+DeRegisterIdeDevice (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_HANDLE Handle
+ )
+{
+ EFI_STATUS Status;
+ EFI_BLOCK_IO_PROTOCOL *BlkIo;
+ IDE_BLK_IO_DEV *IdeBlkIoDevice;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ UINTN Index;
+
+ Status = gBS->OpenProtocol (
+ Handle,
+ &gEfiBlockIoProtocolGuid,
+ (VOID **) &BlkIo,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (BlkIo);
+
+ //
+ // Report Status code: Device disabled
+ //
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
+ EFI_PROGRESS_CODE,
+ (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_DISABLE),
+ IdeBlkIoDevice->DevicePath
+ );
+
+ //
+ // Close the child handle
+ //
+ Status = gBS->CloseProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle,
+ Handle
+ );
+
+ Status = gBS->UninstallMultipleProtocolInterfaces (
+ Handle,
+ &gEfiDevicePathProtocolGuid,
+ IdeBlkIoDevice->DevicePath,
+ &gEfiBlockIoProtocolGuid,
+ &IdeBlkIoDevice->BlkIo,
+ &gEfiDiskInfoProtocolGuid,
+ &IdeBlkIoDevice->DiskInfo,
+ NULL
+ );
+
+ if (EFI_ERROR (Status)) {
+ gBS->OpenProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ (VOID **) &PciIo,
+ This->DriverBindingHandle,
+ Handle,
+ EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
+ );
+ return Status;
+ }
+
+ //
+ // Release allocated resources
+ //
+ Index = IdeBlkIoDevice->Channel * 2 + IdeBlkIoDevice->Device;
+ if (Index < MAX_IDE_DEVICE) {
+ IdeBlkIoDevice->IdeBusDriverPrivateData->HaveScannedDevice[Index] = FALSE;
+ }
+ ReleaseIdeResources (IdeBlkIoDevice);
+
+ return EFI_SUCCESS;
+}
+/**
+ Supported function of Driver Binding protocol for this driver.
+
+ @param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
+ @param ControllerHandle The handle of the controller to test.
+ @param RemainingDevicePath A pointer to the remaining portion of a device path.
+
+ @retval EFI_SUCCESS Driver loaded.
+ @retval other Driver not loaded.
+
+**/
+EFI_STATUS
+EFIAPI
+IDEBusDriverBindingSupported (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
+ EFI_DEV_PATH *Node;
+ EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeInit;
+
+ if (RemainingDevicePath != NULL) {
+ Node = (EFI_DEV_PATH *) RemainingDevicePath;
+ if (Node->DevPath.Type != MESSAGING_DEVICE_PATH ||
+ Node->DevPath.SubType != MSG_ATAPI_DP ||
+ DevicePathNodeLength(&Node->DevPath) != sizeof(ATAPI_DEVICE_PATH)) {
+ return EFI_UNSUPPORTED;
+ }
+ }
+
+ //
+ // Open the IO Abstraction(s) needed to perform the supported test
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &ParentDevicePath,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if (Status == EFI_ALREADY_STARTED) {
+ return EFI_SUCCESS;
+ }
+
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ //
+ // Close protocol, don't use device path protocol in the .Support() function
+ //
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ //
+ // Verify the Ide Controller Init Protocol, which installed by the
+ // IdeController module.
+ // Note 1: PciIo protocol has been opened BY_DRIVER by ide_init, so We can't
+ // open BY_DRIVER here) That's why we don't check pciio protocol
+ // Note 2: ide_init driver check ide controller's pci config space, so we dont
+ // check here any more to save code size
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiIdeControllerInitProtocolGuid,
+ (VOID **) &IdeInit,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+
+ if (Status == EFI_ALREADY_STARTED) {
+ return EFI_SUCCESS;
+ }
+
+ //
+ // If protocols were opened normally, closed it
+ //
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiIdeControllerInitProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ return Status;
+}
+
+
+/**
+ Start function of Driver binding protocol which start this driver on Controller
+ by detecting all disks and installing BlockIo protocol on them.
+
+ @param This Protocol instance pointer.
+ @param Controller Handle of device to bind driver to.
+ @param RemainingDevicePath produce all possible children.
+
+ @retval EFI_SUCCESS This driver is added to ControllerHandle.
+ @retval EFI_ALREADY_STARTED This driver is already running on ControllerHandle.
+ @retval other This driver does not support this device.
+
+**/
+EFI_STATUS
+EFIAPI
+IDEBusDriverBindingStart (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
+ )
+{
+ EFI_STATUS Status;
+ EFI_STATUS SavedStatus;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
+ EFI_DEV_PATH *Node;
+ UINT8 IdeChannel;
+ UINT8 BeginningIdeChannel;
+ UINT8 EndIdeChannel;
+ UINT8 IdeDevice;
+ UINT8 BeginningIdeDevice;
+ UINT8 EndIdeDevice;
+ IDE_BLK_IO_DEV *IdeBlkIoDevice[IdeMaxChannel][IdeMaxDevice];
+ IDE_BLK_IO_DEV *IdeBlkIoDevicePtr;
+ IDE_REGISTERS_BASE_ADDR IdeRegsBaseAddr[IdeMaxChannel];
+ ATA_TRANSFER_MODE TransferMode;
+ ATA_DRIVE_PARMS DriveParameters;
+ EFI_DEV_PATH NewNode;
+ UINT8 ConfigurationOptions;
+ UINT16 CommandBlockBaseAddr;
+ UINT16 ControlBlockBaseAddr;
+ UINTN DataSize;
+ IDE_BUS_DRIVER_PRIVATE_DATA *IdeBusDriverPrivateData;
+ UINT64 Supports;
+
+ //
+ // Local variables declaration for IdeControllerInit support
+ //
+ EFI_IDE_CONTROLLER_INIT_PROTOCOL *IdeInit;
+ BOOLEAN EnumAll;
+ BOOLEAN ChannelEnabled;
+ UINT8 MaxDevices;
+ EFI_IDENTIFY_DATA IdentifyData;
+ EFI_ATA_COLLECTIVE_MODE *SupportedModes;
+
+ IdeBusDriverPrivateData = NULL;
+ SupportedModes = NULL;
+
+ //
+ // Perform IdeBus initialization
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ (VOID **) &ParentDevicePath,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+ if ((EFI_ERROR (Status)) && (Status != EFI_ALREADY_STARTED)) {
+ return Status;
+ }
+
+ //
+ // Now open the IDE_CONTROLLER_INIT protocol. Step7.1
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiIdeControllerInitProtocolGuid,
+ (VOID **) &IdeInit,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_BY_DRIVER
+ );
+
+ //
+ // The following OpenProtocol function with _GET_PROTOCOL attribute and
+ // will not return EFI_ALREADY_STARTED, so save it for now
+ //
+ SavedStatus = Status;
+
+ if ((EFI_ERROR (Status)) && (Status != EFI_ALREADY_STARTED)) {
+ DEBUG ((EFI_D_ERROR, "Open Init, Status=%x", Status));
+ //
+ // open protocol is not SUCCESS or not ALREADY_STARTED, error exit
+ //
+ goto ErrorExit;
+ }
+
+ //
+ // Save Enumall. Step7.2
+ //
+ EnumAll = IdeInit->EnumAll;
+
+ //
+ // Consume PCI I/O protocol. Note that the OpenProtocol with _GET_PROTOCOL
+ // attribute will not return EFI_ALREADY_STARTED
+ //
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ (VOID **) &PciIo,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "Open PciIo, Status=%x", Status));
+ goto ErrorExit;
+ }
+
+ //
+ // We must check EFI_ALREADY_STARTED because many ATAPI devices are removable
+ //
+ if (SavedStatus != EFI_ALREADY_STARTED) {
+ IdeBusDriverPrivateData = AllocatePool (sizeof (IDE_BUS_DRIVER_PRIVATE_DATA));
+ if (IdeBusDriverPrivateData == NULL) {
+ Status = EFI_OUT_OF_RESOURCES;
+ goto ErrorExit;
+ }
+
+ ZeroMem (IdeBusDriverPrivateData, sizeof (IDE_BUS_DRIVER_PRIVATE_DATA));
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &Controller,
+ &gEfiCallerIdGuid,
+ IdeBusDriverPrivateData,
+ NULL
+ );
+ if (EFI_ERROR (Status)) {
+ goto ErrorExit;
+ }
+
+ } else {
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiCallerIdGuid,
+ (VOID **) &IdeBusDriverPrivateData,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (EFI_ERROR (Status)) {
+ IdeBusDriverPrivateData = NULL;
+ goto ErrorExit;
+ }
+ }
+
+ Status = PciIo->Attributes (
+ PciIo,
+ EfiPciIoAttributeOperationSupported,
+ 0,
+ &Supports
+ );
+ if (!EFI_ERROR (Status)) {
+ Supports &= EFI_PCI_DEVICE_ENABLE;
+ Status = PciIo->Attributes (
+ PciIo,
+ EfiPciIoAttributeOperationEnable,
+ Supports,
+ NULL
+ );
+ }
+
+ if (EFI_ERROR (Status)) {
+ goto ErrorExit;
+ }
+
+ //
+ // Read the environment variable that contains the IDEBus Driver's
+ // Config options that were set by the Driver Configuration Protocol
+ //
+ DataSize = sizeof (ConfigurationOptions);
+ Status = gRT->GetVariable (
+ (CHAR16 *) L"Configuration",
+ &gEfiCallerIdGuid,
+ NULL,
+ &DataSize,
+ &ConfigurationOptions
+ );
+ if (EFI_ERROR (Status)) {
+ ConfigurationOptions = 0x0f;
+ }
+
+ if (EnumAll) {
+ //
+ // If IdeInit->EnumAll is TRUE, must enumerate all IDE device anyway
+ //
+ BeginningIdeChannel = IdePrimary;
+ EndIdeChannel = IdeSecondary;
+ BeginningIdeDevice = IdeMaster;
+ EndIdeDevice = IdeSlave;
+ } else if (RemainingDevicePath == NULL) {
+ //
+ // RemainingDevicePath is NULL, scan IDE bus for each device;
+ //
+ BeginningIdeChannel = IdePrimary;
+ EndIdeChannel = IdeSecondary;
+ BeginningIdeDevice = IdeMaster;
+ //
+ // default, may be redefined by IdeInit
+ //
+ EndIdeDevice = IdeSlave;
+ } else {
+ //
+ // RemainingDevicePath is not NULL, only scan the specified device.
+ //
+ Node = (EFI_DEV_PATH *) RemainingDevicePath;
+ BeginningIdeChannel = Node->Atapi.PrimarySecondary;
+ EndIdeChannel = BeginningIdeChannel;
+ BeginningIdeDevice = Node->Atapi.SlaveMaster;
+ EndIdeDevice = BeginningIdeDevice;
+ if (BeginningIdeChannel >= IdeMaxChannel || EndIdeChannel >= IdeMaxChannel) {
+ Status = EFI_INVALID_PARAMETER;
+ goto ErrorExit;
+ }
+ if (BeginningIdeDevice >= IdeMaxDevice|| EndIdeDevice >= IdeMaxDevice) {
+ Status = EFI_INVALID_PARAMETER;
+ goto ErrorExit;
+ }
+ }
+
+ //
+ // Obtain IDE IO port registers' base addresses
+ //
+ Status = GetIdeRegistersBaseAddr (PciIo, IdeRegsBaseAddr);
+ if (EFI_ERROR (Status)) {
+ goto ErrorExit;
+ }
+
+ //
+ // Report status code: begin IdeBus initialization
+ //
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
+ EFI_PROGRESS_CODE,
+ (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_PC_RESET),
+ ParentDevicePath
+ );
+
+ //
+ // Strictly follow the enumeration based on IDE_CONTROLLER_INIT protocol
+ //
+ for (IdeChannel = BeginningIdeChannel; IdeChannel <= EndIdeChannel; IdeChannel++) {
+
+ IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelEnumeration, IdeChannel);
+
+ //
+ // now obtain channel information fron IdeControllerInit protocol. Step9
+ //
+ Status = IdeInit->GetChannelInfo (
+ IdeInit,
+ IdeChannel,
+ &ChannelEnabled,
+ &MaxDevices
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "[GetChannel, Status=%x]", Status));
+ continue;
+ }
+
+ if (!ChannelEnabled) {
+ continue;
+ }
+
+ EndIdeDevice = (UINT8) MIN ((MaxDevices - 1), EndIdeDevice);
+ ASSERT (EndIdeDevice < IdeMaxDevice);
+ //
+ // Now inform the IDE Controller Init Module. Sept10
+ //
+ IdeInit->NotifyPhase (IdeInit, EfiIdeBeforeChannelReset, IdeChannel);
+
+ //
+ // No reset channel function implemented. Sept11
+ //
+ IdeInit->NotifyPhase (IdeInit, EfiIdeAfterChannelReset, IdeChannel);
+
+ //
+ // Step13
+ //
+ IdeInit->NotifyPhase (
+ IdeInit,
+ EfiIdeBusBeforeDevicePresenceDetection,
+ IdeChannel
+ );
+
+ //
+ // Prepare to detect IDE device of this channel
+ //
+ InitializeIDEChannelData ();
+
+ //
+ // -- 1st inner loop --- Master/Slave ------------ Step14
+ //
+ for (IdeDevice = BeginningIdeDevice; IdeDevice <= EndIdeDevice; IdeDevice++) {
+ //
+ // Check whether the configuration options allow this device
+ //
+ if ((ConfigurationOptions & (1 << (IdeChannel * 2 + IdeDevice))) == 0) {
+ continue;
+ }
+
+ //
+ // The device has been scanned in another Start(), No need to scan it again
+ // for perf optimization.
+ //
+ if (IdeBusDriverPrivateData->HaveScannedDevice[IdeChannel * 2 + IdeDevice]) {
+ continue;
+ }
+
+ //
+ // create child handle for the detected device.
+ //
+ IdeBlkIoDevice[IdeChannel][IdeDevice] = AllocatePool (sizeof (IDE_BLK_IO_DEV));
+ if (IdeBlkIoDevice[IdeChannel][IdeDevice] == NULL) {
+ continue;
+ }
+
+ IdeBlkIoDevicePtr = IdeBlkIoDevice[IdeChannel][IdeDevice];
+
+ ZeroMem (IdeBlkIoDevicePtr, sizeof (IDE_BLK_IO_DEV));
+
+ IdeBlkIoDevicePtr->Signature = IDE_BLK_IO_DEV_SIGNATURE;
+ IdeBlkIoDevicePtr->Channel = (EFI_IDE_CHANNEL) IdeChannel;
+ IdeBlkIoDevicePtr->Device = (EFI_IDE_DEVICE) IdeDevice;
+
+ //
+ // initialize Block IO interface's Media pointer
+ //
+ IdeBlkIoDevicePtr->BlkIo.Media = &IdeBlkIoDevicePtr->BlkMedia;
+
+ //
+ // Initialize IDE IO port addresses, including Command Block registers
+ // and Control Block registers
+ //
+ IdeBlkIoDevicePtr->IoPort = AllocatePool (sizeof (IDE_BASE_REGISTERS));
+ if (IdeBlkIoDevicePtr->IoPort == NULL) {
+ continue;
+ }
+
+ ZeroMem (IdeBlkIoDevicePtr->IoPort, sizeof (IDE_BASE_REGISTERS));
+ CommandBlockBaseAddr = IdeRegsBaseAddr[IdeChannel].CommandBlockBaseAddr;
+ ControlBlockBaseAddr = IdeRegsBaseAddr[IdeChannel].ControlBlockBaseAddr;
+
+ IdeBlkIoDevicePtr->IoPort->Data = CommandBlockBaseAddr;
+ (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Reg1) = (UINT16) (CommandBlockBaseAddr + 0x01);
+ IdeBlkIoDevicePtr->IoPort->SectorCount = (UINT16) (CommandBlockBaseAddr + 0x02);
+ IdeBlkIoDevicePtr->IoPort->SectorNumber = (UINT16) (CommandBlockBaseAddr + 0x03);
+ IdeBlkIoDevicePtr->IoPort->CylinderLsb = (UINT16) (CommandBlockBaseAddr + 0x04);
+ IdeBlkIoDevicePtr->IoPort->CylinderMsb = (UINT16) (CommandBlockBaseAddr + 0x05);
+ IdeBlkIoDevicePtr->IoPort->Head = (UINT16) (CommandBlockBaseAddr + 0x06);
+ (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Reg) = (UINT16) (CommandBlockBaseAddr + 0x07);
+
+ (*(UINT16 *) &IdeBlkIoDevicePtr->IoPort->Alt) = ControlBlockBaseAddr;
+ IdeBlkIoDevicePtr->IoPort->DriveAddress = (UINT16) (ControlBlockBaseAddr + 0x01);
+
+ IdeBlkIoDevicePtr->IoPort->MasterSlave = (UINT16) ((IdeDevice == IdeMaster) ? 1 : 0);
+
+ IdeBlkIoDevicePtr->PciIo = PciIo;
+ IdeBlkIoDevicePtr->IdeBusDriverPrivateData = IdeBusDriverPrivateData;
+ IdeBlkIoDevicePtr->IoPort->BusMasterBaseAddr = IdeRegsBaseAddr[IdeChannel].BusMasterBaseAddr;
+
+ //
+ // Report Status code: is about to detect IDE drive
+ //
+ REPORT_STATUS_CODE_EX (
+ EFI_PROGRESS_CODE,
+ (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_PRESENCE_DETECT),
+ 0,
+ &gEfiCallerIdGuid,
+ NULL,
+ NULL,
+ 0
+ );
+
+ //
+ // Discover device, now!
+ //
+ PERF_START (NULL, "DiscoverIdeDevice", "IDE", 0);
+ Status = DiscoverIdeDevice (IdeBlkIoDevicePtr);
+ PERF_END (NULL, "DiscoverIdeDevice", "IDE", 0);
+
+ IdeBusDriverPrivateData->HaveScannedDevice[IdeChannel * 2 + IdeDevice] = TRUE;
+ IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice] = FALSE;
+
+ if (!EFI_ERROR (Status)) {
+ //
+ // Set Device Path
+ //
+ ZeroMem (&NewNode, sizeof (NewNode));
+ NewNode.DevPath.Type = MESSAGING_DEVICE_PATH;
+ NewNode.DevPath.SubType = MSG_ATAPI_DP;
+ SetDevicePathNodeLength (&NewNode.DevPath, sizeof (ATAPI_DEVICE_PATH));
+
+ NewNode.Atapi.PrimarySecondary = (UINT8) IdeBlkIoDevicePtr->Channel;
+ NewNode.Atapi.SlaveMaster = (UINT8) IdeBlkIoDevicePtr->Device;
+ NewNode.Atapi.Lun = IdeBlkIoDevicePtr->Lun;
+ IdeBlkIoDevicePtr->DevicePath = AppendDevicePathNode (
+ ParentDevicePath,
+ &NewNode.DevPath
+ );
+ if (IdeBlkIoDevicePtr->DevicePath == NULL) {
+ ReleaseIdeResources (IdeBlkIoDevicePtr);
+ continue;
+ }
+
+ //
+ // Submit identify data to IDE controller init driver
+ //
+ CopyMem (&IdentifyData, IdeBlkIoDevicePtr->IdData, sizeof (IdentifyData));
+ IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = TRUE;
+ IdeInit->SubmitData (IdeInit, IdeChannel, IdeDevice, &IdentifyData);
+ } else {
+ //
+ // Device detection failed
+ //
+ IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;
+ IdeInit->SubmitData (IdeInit, IdeChannel, IdeDevice, NULL);
+ ReleaseIdeResources (IdeBlkIoDevicePtr);
+ IdeBlkIoDevicePtr = NULL;
+ }
+ //
+ // end of 1st inner loop ---
+ //
+ }
+ //
+ // end of 1st outer loop =========
+ //
+ }
+
+ //
+ // = 2nd outer loop == Primary/Secondary =================
+ //
+ for (IdeChannel = BeginningIdeChannel; IdeChannel <= EndIdeChannel; IdeChannel++) {
+
+ //
+ // -- 2nd inner loop --- Master/Slave --------
+ //
+ for (IdeDevice = BeginningIdeDevice; IdeDevice <= EndIdeDevice; IdeDevice++) {
+
+ if (IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice]) {
+ continue;
+ }
+
+ if (!IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice]) {
+ continue;
+ }
+
+ Status = IdeInit->CalculateMode (
+ IdeInit,
+ IdeChannel,
+ IdeDevice,
+ &SupportedModes
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "[bStStp20S=%x]", Status));
+ continue;
+ }
+
+ IdeBlkIoDevicePtr = IdeBlkIoDevice[IdeChannel][IdeDevice];
+
+ //
+ // Set best supported PIO mode on this IDE device
+ //
+ if (SupportedModes->PioMode.Mode <= AtaPioMode2) {
+ TransferMode.ModeCategory = ATA_MODE_CATEGORY_DEFAULT_PIO;
+ } else {
+ TransferMode.ModeCategory = ATA_MODE_CATEGORY_FLOW_PIO;
+ }
+
+ TransferMode.ModeNumber = (UINT8) (SupportedModes->PioMode.Mode);
+
+ if (SupportedModes->ExtModeCount == 0){
+ Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode);
+
+ if (EFI_ERROR (Status)) {
+ IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;
+ ReleaseIdeResources (IdeBlkIoDevicePtr);
+ IdeBlkIoDevicePtr = NULL;
+ continue;
+ }
+ }
+
+ //
+ // Set supported DMA mode on this IDE device. Note that UDMA & MDMA cann't
+ // be set together. Only one DMA mode can be set to a device. If setting
+ // DMA mode operation fails, we can continue moving on because we only use
+ // PIO mode at boot time. DMA modes are used by certain kind of OS booting
+ //
+ if (SupportedModes->UdmaMode.Valid) {
+
+ TransferMode.ModeCategory = ATA_MODE_CATEGORY_UDMA;
+ TransferMode.ModeNumber = (UINT8) (SupportedModes->UdmaMode.Mode);
+ Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode);
+
+ if (EFI_ERROR (Status)) {
+ IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;
+ ReleaseIdeResources (IdeBlkIoDevicePtr);
+ IdeBlkIoDevicePtr = NULL;
+ continue;
+ }
+ //
+ // Record Udma Mode
+ //
+ IdeBlkIoDevicePtr->UdmaMode.Valid = TRUE;
+ IdeBlkIoDevicePtr->UdmaMode.Mode = SupportedModes->UdmaMode.Mode;
+ EnableInterrupt (IdeBlkIoDevicePtr);
+ } else if (SupportedModes->MultiWordDmaMode.Valid) {
+
+ TransferMode.ModeCategory = ATA_MODE_CATEGORY_MDMA;
+ TransferMode.ModeNumber = (UINT8) SupportedModes->MultiWordDmaMode.Mode;
+ Status = SetDeviceTransferMode (IdeBlkIoDevicePtr, &TransferMode);
+
+ if (EFI_ERROR (Status)) {
+ IdeBusDriverPrivateData->DeviceFound[IdeChannel * 2 + IdeDevice] = FALSE;
+ ReleaseIdeResources (IdeBlkIoDevicePtr);
+ IdeBlkIoDevicePtr = NULL;
+ continue;
+ }
+
+ EnableInterrupt (IdeBlkIoDevicePtr);
+ }
+ //
+ // Init driver parameters
+ //
+ DriveParameters.Sector = (UINT8) IdeBlkIoDevicePtr->IdData->AtaData.sectors_per_track;
+ DriveParameters.Heads = (UINT8) (IdeBlkIoDevicePtr->IdData->AtaData.heads - 1);
+ DriveParameters.MultipleSector = (UINT8) IdeBlkIoDevicePtr->IdData->AtaData.multi_sector_cmd_max_sct_cnt;
+ //
+ // Set Parameters for the device:
+ // 1) Init
+ // 2) Establish the block count for READ/WRITE MULTIPLE (EXT) command
+ //
+ if ((IdeBlkIoDevicePtr->Type == IdeHardDisk) || (IdeBlkIoDevicePtr->Type == Ide48bitAddressingHardDisk)) {
+ Status = SetDriveParameters (IdeBlkIoDevicePtr, &DriveParameters);
+ }
+
+ //
+ // Record PIO mode used in private data
+ //
+ IdeBlkIoDevicePtr->PioMode = (ATA_PIO_MODE) SupportedModes->PioMode.Mode;
+
+ //
+ // Set IDE controller Timing Blocks in the PCI Configuration Space
+ //
+ IdeInit->SetTiming (IdeInit, IdeChannel, IdeDevice, SupportedModes);
+
+ //
+ // Add Component Name for the IDE/ATAPI device that was discovered.
+ //
+ IdeBlkIoDevicePtr->ControllerNameTable = NULL;
+ ADD_IDE_ATAPI_NAME (IdeBlkIoDevicePtr);
+
+ Status = gBS->InstallMultipleProtocolInterfaces (
+ &IdeBlkIoDevicePtr->Handle,
+ &gEfiDevicePathProtocolGuid,
+ IdeBlkIoDevicePtr->DevicePath,
+ &gEfiBlockIoProtocolGuid,
+ &IdeBlkIoDevicePtr->BlkIo,
+ &gEfiDiskInfoProtocolGuid,
+ &IdeBlkIoDevicePtr->DiskInfo,
+ NULL
+ );
+
+ if (EFI_ERROR (Status)) {
+ ReleaseIdeResources (IdeBlkIoDevicePtr);
+ }
+
+ gBS->OpenProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ (VOID **) &PciIo,
+ This->DriverBindingHandle,
+ IdeBlkIoDevicePtr->Handle,
+ EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
+ );
+
+ IdeBusDriverPrivateData->DeviceProcessed[IdeChannel * 2 + IdeDevice] = TRUE;
+
+ //
+ // Report status code: device eanbled!
+ //
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
+ EFI_PROGRESS_CODE,
+ (EFI_IO_BUS_ATA_ATAPI | EFI_P_PC_ENABLE),
+ IdeBlkIoDevicePtr->DevicePath
+ );
+
+ //
+ // Create event to clear pending IDE interrupt
+ //
+ Status = gBS->CreateEventEx (
+ EVT_NOTIFY_SIGNAL,
+ TPL_NOTIFY,
+ ClearInterrupt,
+ IdeBlkIoDevicePtr,
+ &gEfiEventExitBootServicesGuid,
+ &IdeBlkIoDevicePtr->ExitBootServiceEvent
+ );
+
+ //
+ // end of 2nd inner loop ----
+ //
+ }
+ //
+ // end of 2nd outer loop ==========
+ //
+ }
+
+ //
+ // All configurations done! Notify IdeController to do post initialization
+ // work such as saving IDE controller PCI settings for S3 resume
+ //
+ IdeInit->NotifyPhase (IdeInit, EfiIdeBusPhaseMaximum, 0);
+
+ if (SupportedModes != NULL) {
+ gBS->FreePool (SupportedModes);
+ }
+
+ PERF_START (NULL, "Finish IDE detection", "IDE", 1);
+ PERF_END (NULL, "Finish IDE detection", "IDE", 0);
+
+ return EFI_SUCCESS;
+
+ErrorExit:
+
+ //
+ // Report error code: controller error
+ //
+ REPORT_STATUS_CODE_WITH_DEVICE_PATH (
+ EFI_ERROR_CODE | EFI_ERROR_MINOR,
+ (EFI_IO_BUS_ATA_ATAPI | EFI_IOB_EC_CONTROLLER_ERROR),
+ ParentDevicePath
+ );
+
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiIdeControllerInitProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ gBS->UninstallMultipleProtocolInterfaces (
+ Controller,
+ &gEfiCallerIdGuid,
+ IdeBusDriverPrivateData,
+ NULL
+ );
+
+ if (IdeBusDriverPrivateData != NULL) {
+ gBS->FreePool (IdeBusDriverPrivateData);
+ }
+
+ if (SupportedModes != NULL) {
+ gBS->FreePool (SupportedModes);
+ }
+
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ return Status;
+
+}
+/**
+ Stop function of Driver Binding Protocol which is to stop the driver on Controller Handle and all
+ child handle attached to the controller handle if there are.
+
+ @param This Protocol instance pointer.
+ @param Controller Handle of device to stop driver on
+ @param NumberOfChildren Not used
+ @param ChildHandleBuffer Not used
+
+ @retval EFI_SUCCESS This driver is removed DeviceHandle
+ @retval other This driver was not removed from this device
+
+**/
+EFI_STATUS
+EFIAPI
+IDEBusDriverBindingStop (
+ IN EFI_DRIVER_BINDING_PROTOCOL *This,
+ IN EFI_HANDLE Controller,
+ IN UINTN NumberOfChildren,
+ IN EFI_HANDLE *ChildHandleBuffer
+ )
+{
+ EFI_STATUS Status;
+ EFI_PCI_IO_PROTOCOL *PciIo;
+ BOOLEAN AllChildrenStopped;
+ UINTN Index;
+ IDE_BUS_DRIVER_PRIVATE_DATA *IdeBusDriverPrivateData;
+ UINT64 Supports;
+
+ IdeBusDriverPrivateData = NULL;
+
+ if (NumberOfChildren == 0) {
+
+ Status = gBS->OpenProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ (VOID **) &PciIo,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+ if (!EFI_ERROR (Status)) {
+ Status = PciIo->Attributes (
+ PciIo,
+ EfiPciIoAttributeOperationSupported,
+ 0,
+ &Supports
+ );
+ if (!EFI_ERROR (Status)) {
+ Supports &= EFI_PCI_IO_ATTRIBUTE_IDE_PRIMARY_IO | EFI_PCI_IO_ATTRIBUTE_IDE_SECONDARY_IO | EFI_PCI_DEVICE_ENABLE;
+ PciIo->Attributes (
+ PciIo,
+ EfiPciIoAttributeOperationDisable,
+ Supports,
+ NULL
+ );
+ }
+ }
+
+ gBS->OpenProtocol (
+ Controller,
+ &gEfiCallerIdGuid,
+ (VOID **) &IdeBusDriverPrivateData,
+ This->DriverBindingHandle,
+ Controller,
+ EFI_OPEN_PROTOCOL_GET_PROTOCOL
+ );
+
+ gBS->UninstallMultipleProtocolInterfaces (
+ Controller,
+ &gEfiCallerIdGuid,
+ IdeBusDriverPrivateData,
+ NULL
+ );
+
+ if (IdeBusDriverPrivateData != NULL) {
+ gBS->FreePool (IdeBusDriverPrivateData);
+ }
+ //
+ // Close the bus driver
+ //
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiIdeControllerInitProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiPciIoProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+ gBS->CloseProtocol (
+ Controller,
+ &gEfiDevicePathProtocolGuid,
+ This->DriverBindingHandle,
+ Controller
+ );
+
+ return EFI_SUCCESS;
+ }
+
+ AllChildrenStopped = TRUE;
+
+ for (Index = 0; Index < NumberOfChildren; Index++) {
+
+ Status = DeRegisterIdeDevice (This, Controller, ChildHandleBuffer[Index]);
+
+ if (EFI_ERROR (Status)) {
+ AllChildrenStopped = FALSE;
+ }
+ }
+
+ if (!AllChildrenStopped) {
+ return EFI_DEVICE_ERROR;
+ }
+
+ return EFI_SUCCESS;
+}
+
+/**
+ issue ATA or ATAPI command to reset a block IO device.
+ @param This Block IO protocol instance pointer.
+ @param ExtendedVerification If FALSE,for ATAPI device, driver will only invoke ATAPI reset method
+ If TRUE, for ATAPI device, driver need invoke ATA reset method after
+ invoke ATAPI reset method
+
+ @retval EFI_DEVICE_ERROR When the device is neighther ATA device or ATAPI device.
+ @retval EFI_SUCCESS The device reset successfully
+
+**/
+EFI_STATUS
+EFIAPI
+IDEBlkIoReset (
+ IN EFI_BLOCK_IO_PROTOCOL *This,
+ IN BOOLEAN ExtendedVerification
+ )
+{
+ IDE_BLK_IO_DEV *IdeBlkIoDevice;
+ EFI_STATUS Status;
+ EFI_TPL OldTpl;
+
+ OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
+
+ IdeBlkIoDevice = IDE_BLOCK_IO_DEV_FROM_THIS (This);
+ //
+ // Requery IDE IO resources in case of the switch of native and legacy modes
+ //
+ ReassignIdeResources (IdeBlkIoDevice);
+
+ //
+ // for ATA device, using ATA reset method
+ //
+ if (IdeBlkIoDevice->Type == IdeHardDisk ||
+ IdeBlkIoDevice->Type == Ide48bitAddressingHardDisk) {
+ Status = AtaSoftReset (IdeBlkIoDevice);
+ goto Done;
+ }
+
+ if (IdeBlkIoDevice->Type == IdeUnknown) {
+ Status = EFI_DEVICE_ERROR;
+ goto Done;
+ }
+
+ //
+ // for ATAPI device, using ATAPI reset method
+ //
+ Status = AtapiSoftReset (IdeBlkIoDevice);
+ if (ExtendedVerification) {
+ Status = AtaSoftReset (IdeBlkIoDevice);
+ }
+
+Done:
+ gBS->RestoreTPL (OldTpl);
+ return Status;
+}
+
+/**
+ Read data from a block IO device
+
+ @param This Block IO protocol instance pointer.
+ @param MediaId The media ID of the device
projects / mirror_edk2.git / commitdiff