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Diffstat (limited to 'src/VBox/Devices/EFI/Firmware/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h')
| -rw-r--r-- | src/VBox/Devices/EFI/Firmware/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h | 999 |
1 files changed, 999 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h new file mode 100644 index 00000000..b86ddabb --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h @@ -0,0 +1,999 @@ +/** @file + + Copyright (c) 2014 - 2021, Intel Corporation. All rights reserved.<BR> + Copyright (c) Microsoft Corporation.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _UFS_PASS_THRU_H_ +#define _UFS_PASS_THRU_H_ + +#include <Uefi.h> + +#include <Protocol/ScsiPassThruExt.h> +#include <Protocol/UfsDeviceConfig.h> +#include <Protocol/UfsHostController.h> +#include <Protocol/UfsHostControllerPlatform.h> + +#include <Library/DebugLib.h> +#include <Library/UefiDriverEntryPoint.h> +#include <Library/BaseLib.h> +#include <Library/UefiLib.h> +#include <Library/BaseMemoryLib.h> +#include <Library/MemoryAllocationLib.h> +#include <Library/UefiBootServicesTableLib.h> +#include <Library/DevicePathLib.h> +#include <Library/TimerLib.h> + +#include "UfsPassThruHci.h" + +#define UFS_PASS_THRU_SIG SIGNATURE_32 ('U', 'F', 'S', 'P') + +// +// Lun 0~7 is for 8 common luns. +// Lun 8~11 is for those 4 well known luns (Refer to UFS 2.0 spec Table 10.58 for details): +// Lun 8: REPORT LUNS +// Lun 9: UFS DEVICE +// Lun 10: BOOT +// Lun 11: RPMB +// +#define UFS_MAX_LUNS 12 +#define UFS_WLUN_PREFIX 0xC1 +#define UFS_INIT_COMPLETION_TIMEOUT 600000 + +typedef struct { + UINT8 Lun[UFS_MAX_LUNS]; + UINT16 BitMask:12; // Bit 0~7 is 1/1 mapping to common luns. Bit 8~11 is 1/1 mapping to well-known luns. + UINT16 Rsvd:4; +} UFS_EXPOSED_LUNS; + +typedef struct _UFS_PASS_THRU_PRIVATE_DATA { + UINT32 Signature; + EFI_HANDLE Handle; + EFI_EXT_SCSI_PASS_THRU_MODE ExtScsiPassThruMode; + EFI_EXT_SCSI_PASS_THRU_PROTOCOL ExtScsiPassThru; + EFI_UFS_DEVICE_CONFIG_PROTOCOL UfsDevConfig; + EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHostController; + UINTN UfsHcBase; + EDKII_UFS_HC_INFO UfsHcInfo; + EDKII_UFS_HC_DRIVER_INTERFACE UfsHcDriverInterface; + + UINT8 TaskTag; + + VOID *UtpTrlBase; + UINT8 Nutrs; + VOID *TrlMapping; + VOID *UtpTmrlBase; + UINT8 Nutmrs; + VOID *TmrlMapping; + + UFS_EXPOSED_LUNS Luns; + + // + // For Non-blocking operation. + // + EFI_EVENT TimerEvent; + LIST_ENTRY Queue; +} UFS_PASS_THRU_PRIVATE_DATA; + +#define UFS_PASS_THRU_TRANS_REQ_SIG SIGNATURE_32 ('U', 'F', 'S', 'T') + +typedef struct { + UINT32 Signature; + LIST_ENTRY TransferList; + + UINT8 Slot; + UTP_TRD *Trd; + UINT32 CmdDescSize; + VOID *CmdDescHost; + VOID *CmdDescMapping; + VOID *AlignedDataBuf; + UINTN AlignedDataBufSize; + VOID *DataBufMapping; + + EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet; + UINT64 TimeoutRemain; + EFI_EVENT CallerEvent; +} UFS_PASS_THRU_TRANS_REQ; + +#define UFS_PASS_THRU_TRANS_REQ_FROM_THIS(a) \ + CR(a, UFS_PASS_THRU_TRANS_REQ, TransferList, UFS_PASS_THRU_TRANS_REQ_SIG) + +#define UFS_TIMEOUT EFI_TIMER_PERIOD_SECONDS(3) +#define UFS_HC_ASYNC_TIMER EFI_TIMER_PERIOD_MILLISECONDS(1) + +#define ROUNDUP8(x) (((x) % 8 == 0) ? (x) : ((x) / 8 + 1) * 8) + +#define IS_ALIGNED(addr, size) (((UINTN) (addr) & (size - 1)) == 0) + +#define UFS_PASS_THRU_PRIVATE_DATA_FROM_THIS(a) \ + CR (a, \ + UFS_PASS_THRU_PRIVATE_DATA, \ + ExtScsiPassThru, \ + UFS_PASS_THRU_SIG \ + ) + +#define UFS_PASS_THRU_PRIVATE_DATA_FROM_DEV_CONFIG(a) \ + CR (a, \ + UFS_PASS_THRU_PRIVATE_DATA, \ + UfsDevConfig, \ + UFS_PASS_THRU_SIG \ + ) + +#define UFS_PASS_THRU_PRIVATE_DATA_FROM_DRIVER_INTF(a) \ + CR (a, \ + UFS_PASS_THRU_PRIVATE_DATA, \ + UfsHcDriverInterface, \ + UFS_PASS_THRU_SIG \ + ) + +typedef struct _UFS_DEVICE_MANAGEMENT_REQUEST_PACKET { + UINT64 Timeout; + VOID *DataBuffer; + UINT8 Opcode; + UINT8 DescId; + UINT8 Index; + UINT8 Selector; + UINT32 TransferLength; + UINT8 DataDirection; +} UFS_DEVICE_MANAGEMENT_REQUEST_PACKET; + +// +// function prototype +// +/** + Tests to see if this driver supports a given controller. If a child device is provided, + it further tests to see if this driver supports creating a handle for the specified child device. + + This function checks to see if the driver specified by This supports the device specified by + ControllerHandle. Drivers will typically use the device path attached to + ControllerHandle and/or the services from the bus I/O abstraction attached to + ControllerHandle to determine if the driver supports ControllerHandle. This function + may be called many times during platform initialization. In order to reduce boot times, the tests + performed by this function must be very small, and take as little time as possible to execute. This + function must not change the state of any hardware devices, and this function must be aware that the + device specified by ControllerHandle may already be managed by the same driver or a + different driver. This function must match its calls to AllocatePages() with FreePages(), + AllocatePool() with FreePool(), and OpenProtocol() with CloseProtocol(). + Since ControllerHandle may have been previously started by the same driver, if a protocol is + already in the opened state, then it must not be closed with CloseProtocol(). This is required + to guarantee the state of ControllerHandle is not modified by this function. + + @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. + @param[in] ControllerHandle The handle of the controller to test. This handle + must support a protocol interface that supplies + an I/O abstraction to the driver. + @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This + parameter is ignored by device drivers, and is optional for bus + drivers. For bus drivers, if this parameter is not NULL, then + the bus driver must determine if the bus controller specified + by ControllerHandle and the child controller specified + by RemainingDevicePath are both supported by this + bus driver. + + @retval EFI_SUCCESS The device specified by ControllerHandle and + RemainingDevicePath is supported by the driver specified by This. + @retval EFI_ALREADY_STARTED The device specified by ControllerHandle and + RemainingDevicePath is already being managed by the driver + specified by This. + @retval EFI_ACCESS_DENIED The device specified by ControllerHandle and + RemainingDevicePath is already being managed by a different + driver or an application that requires exclusive access. + Currently not implemented. + @retval EFI_UNSUPPORTED The device specified by ControllerHandle and + RemainingDevicePath is not supported by the driver specified by This. +**/ +EFI_STATUS +EFIAPI +UfsPassThruDriverBindingSupported ( + IN EFI_DRIVER_BINDING_PROTOCOL *This, + IN EFI_HANDLE Controller, + IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath + ); + +/** + Starts a device controller or a bus controller. + + The Start() function is designed to be invoked from the EFI boot service ConnectController(). + As a result, much of the error checking on the parameters to Start() has been moved into this + common boot service. It is legal to call Start() from other locations, + but the following calling restrictions must be followed or the system behavior will not be deterministic. + 1. ControllerHandle must be a valid EFI_HANDLE. + 2. If RemainingDevicePath is not NULL, then it must be a pointer to a naturally aligned + EFI_DEVICE_PATH_PROTOCOL. + 3. Prior to calling Start(), the Supported() function for the driver specified by This must + have been called with the same calling parameters, and Supported() must have returned EFI_SUCCESS. + + @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. + @param[in] ControllerHandle The handle of the controller to start. This handle + must support a protocol interface that supplies + an I/O abstraction to the driver. + @param[in] RemainingDevicePath A pointer to the remaining portion of a device path. This + parameter is ignored by device drivers, and is optional for bus + drivers. For a bus driver, if this parameter is NULL, then handles + for all the children of Controller are created by this driver. + If this parameter is not NULL and the first Device Path Node is + not the End of Device Path Node, then only the handle for the + child device specified by the first Device Path Node of + RemainingDevicePath is created by this driver. + If the first Device Path Node of RemainingDevicePath is + the End of Device Path Node, no child handle is created by this + driver. + + @retval EFI_SUCCESS The device was started. + @retval EFI_DEVICE_ERROR The device could not be started due to a device error.Currently not implemented. + @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources. + @retval Others The driver failded to start the device. + +**/ +EFI_STATUS +EFIAPI +UfsPassThruDriverBindingStart ( + IN EFI_DRIVER_BINDING_PROTOCOL *This, + IN EFI_HANDLE Controller, + IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath + ); + +/** + Stops a device controller or a bus controller. + + The Stop() function is designed to be invoked from the EFI boot service DisconnectController(). + As a result, much of the error checking on the parameters to Stop() has been moved + into this common boot service. It is legal to call Stop() from other locations, + but the following calling restrictions must be followed or the system behavior will not be deterministic. + 1. ControllerHandle must be a valid EFI_HANDLE that was used on a previous call to this + same driver's Start() function. + 2. The first NumberOfChildren handles of ChildHandleBuffer must all be a valid + EFI_HANDLE. In addition, all of these handles must have been created in this driver's + Start() function, and the Start() function must have called OpenProtocol() on + ControllerHandle with an Attribute of EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER. + + @param[in] This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance. + @param[in] ControllerHandle A handle to the device being stopped. The handle must + support a bus specific I/O protocol for the driver + to use to stop the device. + @param[in] NumberOfChildren The number of child device handles in ChildHandleBuffer. + @param[in] ChildHandleBuffer An array of child handles to be freed. May be NULL + if NumberOfChildren is 0. + + @retval EFI_SUCCESS The device was stopped. + @retval EFI_DEVICE_ERROR The device could not be stopped due to a device error. + +**/ +EFI_STATUS +EFIAPI +UfsPassThruDriverBindingStop ( + IN EFI_DRIVER_BINDING_PROTOCOL *This, + IN EFI_HANDLE Controller, + IN UINTN NumberOfChildren, + IN EFI_HANDLE *ChildHandleBuffer + ); + +// +// EFI Component Name Functions +// +/** + Retrieves a Unicode string that is the user readable name of the driver. + + This function retrieves the user readable name of a driver in the form of a + Unicode string. If the driver specified by This has a user readable name in + the language specified by Language, then a pointer to the driver name is + returned in DriverName, and EFI_SUCCESS is returned. If the driver specified + by This does not support the language specified by Language, + then EFI_UNSUPPORTED is returned. + + @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or + EFI_COMPONENT_NAME_PROTOCOL instance. + + @param Language[in] A pointer to a Null-terminated ASCII string + array indicating the language. This is the + language of the driver name that the caller is + requesting, and it must match one of the + languages specified in SupportedLanguages. The + number of languages supported by a driver is up + to the driver writer. Language is specified + in RFC 4646 or ISO 639-2 language code format. + + @param DriverName[out] A pointer to the Unicode string to return. + This Unicode string is the name of the + driver specified by This in the language + specified by Language. + + @retval EFI_SUCCESS The Unicode string for the Driver specified by + This and the language specified by Language was + returned in DriverName. + + @retval EFI_INVALID_PARAMETER Language is NULL. + + @retval EFI_INVALID_PARAMETER DriverName is NULL. + + @retval EFI_UNSUPPORTED The driver specified by This does not support + the language specified by Language. + +**/ +EFI_STATUS +EFIAPI +UfsPassThruComponentNameGetDriverName ( + IN EFI_COMPONENT_NAME_PROTOCOL *This, + IN CHAR8 *Language, + OUT CHAR16 **DriverName + ); + + +/** + Retrieves a Unicode string that is the user readable name of the controller + that is being managed by a driver. + + This function retrieves the user readable name of the controller specified by + ControllerHandle and ChildHandle in the form of a Unicode string. If the + driver specified by This has a user readable name in the language specified by + Language, then a pointer to the controller name is returned in ControllerName, + and EFI_SUCCESS is returned. If the driver specified by This is not currently + managing the controller specified by ControllerHandle and ChildHandle, + then EFI_UNSUPPORTED is returned. If the driver specified by This does not + support the language specified by Language, then EFI_UNSUPPORTED is returned. + + @param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or + EFI_COMPONENT_NAME_PROTOCOL instance. + + @param ControllerHandle[in] The handle of a controller that the driver + specified by This is managing. This handle + specifies the controller whose name is to be + returned. + + @param ChildHandle[in] The handle of the child controller to retrieve + the name of. This is an optional parameter that + may be NULL. It will be NULL for device + drivers. It will also be NULL for a bus drivers + that wish to retrieve the name of the bus + controller. It will not be NULL for a bus + driver that wishes to retrieve the name of a + child controller. + + @param Language[in] A pointer to a Null-terminated ASCII string + array indicating the language. This is the + language of the driver name that the caller is + requesting, and it must match one of the + languages specified in SupportedLanguages. The + number of languages supported by a driver is up + to the driver writer. Language is specified in + RFC 4646 or ISO 639-2 language code format. + + @param ControllerName[out] A pointer to the Unicode string to return. + This Unicode string is the name of the + controller specified by ControllerHandle and + ChildHandle in the language specified by + Language from the point of view of the driver + specified by This. + + @retval EFI_SUCCESS The Unicode string for the user readable name in + the language specified by Language for the + driver specified by This was returned in + DriverName. + + @retval EFI_INVALID_PARAMETER ControllerHandle is NULL. + + @retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid + EFI_HANDLE. + + @retval EFI_INVALID_PARAMETER Language is NULL. + + @retval EFI_INVALID_PARAMETER ControllerName is NULL. + + @retval EFI_UNSUPPORTED The driver specified by This is not currently + managing the controller specified by + ControllerHandle and ChildHandle. + + @retval EFI_UNSUPPORTED The driver specified by This does not support + the language specified by Language. + +**/ +EFI_STATUS +EFIAPI +UfsPassThruComponentNameGetControllerName ( + IN EFI_COMPONENT_NAME_PROTOCOL *This, + IN EFI_HANDLE ControllerHandle, + IN EFI_HANDLE ChildHandle OPTIONAL, + IN CHAR8 *Language, + OUT CHAR16 **ControllerName + ); + +/** + Sends a SCSI Request Packet to a SCSI device that is attached to the SCSI channel. This function + supports both blocking I/O and nonblocking I/O. The blocking I/O functionality is required, and the + nonblocking I/O functionality is optional. + + @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance. + @param Target The Target is an array of size TARGET_MAX_BYTES and it represents + the id of the SCSI device to send the SCSI Request Packet. Each + transport driver may choose to utilize a subset of this size to suit the needs + of transport target representation. For example, a Fibre Channel driver + may use only 8 bytes (WWN) to represent an FC target. + @param Lun The LUN of the SCSI device to send the SCSI Request Packet. + @param Packet A pointer to the SCSI Request Packet to send to the SCSI device + specified by Target and Lun. + @param Event If nonblocking I/O is not supported then Event is ignored, and blocking + I/O is performed. If Event is NULL, then blocking I/O is performed. If + Event is not NULL and non blocking I/O is supported, then + nonblocking I/O is performed, and Event will be signaled when the + SCSI Request Packet completes. + + @retval EFI_SUCCESS The SCSI Request Packet was sent by the host. For bi-directional + commands, InTransferLength bytes were transferred from + InDataBuffer. For write and bi-directional commands, + OutTransferLength bytes were transferred by + OutDataBuffer. + @retval EFI_BAD_BUFFER_SIZE The SCSI Request Packet was not executed. The number of bytes that + could be transferred is returned in InTransferLength. For write + and bi-directional commands, OutTransferLength bytes were + transferred by OutDataBuffer. + @retval EFI_NOT_READY The SCSI Request Packet could not be sent because there are too many + SCSI Request Packets already queued. The caller may retry again later. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the SCSI Request + Packet. + @retval EFI_INVALID_PARAMETER Target, Lun, or the contents of ScsiRequestPacket are invalid. + @retval EFI_UNSUPPORTED The command described by the SCSI Request Packet is not supported + by the host adapter. This includes the case of Bi-directional SCSI + commands not supported by the implementation. The SCSI Request + Packet was not sent, so no additional status information is available. + @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute. + +**/ +EFI_STATUS +EFIAPI +UfsPassThruPassThru ( + IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This, + IN UINT8 *Target, + IN UINT64 Lun, + IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet, + IN EFI_EVENT Event OPTIONAL + ); + +/** + Used to retrieve the list of legal Target IDs and LUNs for SCSI devices on a SCSI channel. These + can either be the list SCSI devices that are actually present on the SCSI channel, or the list of legal + Target Ids and LUNs for the SCSI channel. Regardless, the caller of this function must probe the + Target ID and LUN returned to see if a SCSI device is actually present at that location on the SCSI + channel. + + @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance. + @param Target On input, a pointer to the Target ID (an array of size + TARGET_MAX_BYTES) of a SCSI device present on the SCSI channel. + On output, a pointer to the Target ID (an array of + TARGET_MAX_BYTES) of the next SCSI device present on a SCSI + channel. An input value of 0xF(all bytes in the array are 0xF) in the + Target array retrieves the Target ID of the first SCSI device present on a + SCSI channel. + @param Lun On input, a pointer to the LUN of a SCSI device present on the SCSI + channel. On output, a pointer to the LUN of the next SCSI device present + on a SCSI channel. + + @retval EFI_SUCCESS The Target ID and LUN of the next SCSI device on the SCSI + channel was returned in Target and Lun. + @retval EFI_INVALID_PARAMETER Target array is not all 0xF, and Target and Lun were + not returned on a previous call to GetNextTargetLun(). + @retval EFI_NOT_FOUND There are no more SCSI devices on this SCSI channel. + +**/ +EFI_STATUS +EFIAPI +UfsPassThruGetNextTargetLun ( + IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This, + IN OUT UINT8 **Target, + IN OUT UINT64 *Lun + ); + +/** + Used to allocate and build a device path node for a SCSI device on a SCSI channel. + + @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance. + @param Target The Target is an array of size TARGET_MAX_BYTES and it specifies the + Target ID of the SCSI device for which a device path node is to be + allocated and built. Transport drivers may chose to utilize a subset of + this size to suit the representation of targets. For example, a Fibre + Channel driver may use only 8 bytes (WWN) in the array to represent a + FC target. + @param Lun The LUN of the SCSI device for which a device path node is to be + allocated and built. + @param DevicePath A pointer to a single device path node that describes the SCSI device + specified by Target and Lun. This function is responsible for + allocating the buffer DevicePath with the boot service + AllocatePool(). It is the caller's responsibility to free + DevicePath when the caller is finished with DevicePath. + + @retval EFI_SUCCESS The device path node that describes the SCSI device specified by + Target and Lun was allocated and returned in + DevicePath. + @retval EFI_INVALID_PARAMETER DevicePath is NULL. + @retval EFI_NOT_FOUND The SCSI devices specified by Target and Lun does not exist + on the SCSI channel. + @retval EFI_OUT_OF_RESOURCES There are not enough resources to allocate DevicePath. + +**/ +EFI_STATUS +EFIAPI +UfsPassThruBuildDevicePath ( + IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This, + IN UINT8 *Target, + IN UINT64 Lun, + IN OUT EFI_DEVICE_PATH_PROTOCOL **DevicePath + ); + +/** + Used to translate a device path node to a Target ID and LUN. + + @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance. + @param DevicePath A pointer to a single device path node that describes the SCSI device + on the SCSI channel. + @param Target A pointer to the Target Array which represents the ID of a SCSI device + on the SCSI channel. + @param Lun A pointer to the LUN of a SCSI device on the SCSI channel. + + @retval EFI_SUCCESS DevicePath was successfully translated to a Target ID and + LUN, and they were returned in Target and Lun. + @retval EFI_INVALID_PARAMETER DevicePath or Target or Lun is NULL. + @retval EFI_NOT_FOUND A valid translation from DevicePath to a Target ID and LUN + does not exist. + @retval EFI_UNSUPPORTED This driver does not support the device path node type in + DevicePath. + +**/ +EFI_STATUS +EFIAPI +UfsPassThruGetTargetLun ( + IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This, + IN EFI_DEVICE_PATH_PROTOCOL *DevicePath, + OUT UINT8 **Target, + OUT UINT64 *Lun + ); + +/** + Resets a SCSI channel. This operation resets all the SCSI devices connected to the SCSI channel. + + @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance. + + @retval EFI_SUCCESS The SCSI channel was reset. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the SCSI channel. + @retval EFI_TIMEOUT A timeout occurred while attempting to reset the SCSI channel. + @retval EFI_UNSUPPORTED The SCSI channel does not support a channel reset operation. + +**/ +EFI_STATUS +EFIAPI +UfsPassThruResetChannel ( + IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This + ); + +/** + Resets a SCSI logical unit that is connected to a SCSI channel. + + @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance. + @param Target The Target is an array of size TARGET_MAX_BYTE and it represents the + target port ID of the SCSI device containing the SCSI logical unit to + reset. Transport drivers may chose to utilize a subset of this array to suit + the representation of their targets. + @param Lun The LUN of the SCSI device to reset. + + @retval EFI_SUCCESS The SCSI device specified by Target and Lun was reset. + @retval EFI_INVALID_PARAMETER Target or Lun is NULL. + @retval EFI_TIMEOUT A timeout occurred while attempting to reset the SCSI device + specified by Target and Lun. + @retval EFI_UNSUPPORTED The SCSI channel does not support a target reset operation. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to reset the SCSI device + specified by Target and Lun. + +**/ +EFI_STATUS +EFIAPI +UfsPassThruResetTargetLun ( + IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This, + IN UINT8 *Target, + IN UINT64 Lun + ); + +/** + Used to retrieve the list of legal Target IDs for SCSI devices on a SCSI channel. These can either + be the list SCSI devices that are actually present on the SCSI channel, or the list of legal Target IDs + for the SCSI channel. Regardless, the caller of this function must probe the Target ID returned to + see if a SCSI device is actually present at that location on the SCSI channel. + + @param This A pointer to the EFI_EXT_SCSI_PASS_THRU_PROTOCOL instance. + @param Target (TARGET_MAX_BYTES) of a SCSI device present on the SCSI channel. + On output, a pointer to the Target ID (an array of + TARGET_MAX_BYTES) of the next SCSI device present on a SCSI + channel. An input value of 0xF(all bytes in the array are 0xF) in the + Target array retrieves the Target ID of the first SCSI device present on a + SCSI channel. + + @retval EFI_SUCCESS The Target ID of the next SCSI device on the SCSI + channel was returned in Target. + @retval EFI_INVALID_PARAMETER Target or Lun is NULL. + @retval EFI_TIMEOUT Target array is not all 0xF, and Target was not + returned on a previous call to GetNextTarget(). + @retval EFI_NOT_FOUND There are no more SCSI devices on this SCSI channel. + +**/ +EFI_STATUS +EFIAPI +UfsPassThruGetNextTarget ( + IN EFI_EXT_SCSI_PASS_THRU_PROTOCOL *This, + IN OUT UINT8 **Target + ); + +/** + Sends a UFS-supported SCSI Request Packet to a UFS device that is attached to the UFS host controller. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[in] Lun The LUN of the UFS device to send the SCSI Request Packet. + @param[in, out] Packet A pointer to the SCSI Request Packet to send to a specified Lun of the + UFS device. + @param[in] Event If nonblocking I/O is not supported then Event is ignored, and blocking + I/O is performed. If Event is NULL, then blocking I/O is performed. If + Event is not NULL and non blocking I/O is supported, then + nonblocking I/O is performed, and Event will be signaled when the + SCSI Request Packet completes. + + @retval EFI_SUCCESS The SCSI Request Packet was sent by the host. For bi-directional + commands, InTransferLength bytes were transferred from + InDataBuffer. For write and bi-directional commands, + OutTransferLength bytes were transferred by + OutDataBuffer. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to send the SCSI Request + Packet. + @retval EFI_OUT_OF_RESOURCES The resource for transfer is not available. + @retval EFI_TIMEOUT A timeout occurred while waiting for the SCSI Request Packet to execute. + +**/ +EFI_STATUS +UfsExecScsiCmds ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN UINT8 Lun, + IN OUT EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet, + IN EFI_EVENT Event OPTIONAL + ); + +/** + Initialize the UFS host controller. + + @param[in] Private The pointer to the NVME_CONTROLLER_PRIVATE_DATA data structure. + + @retval EFI_SUCCESS The NVM Express Controller is initialized successfully. + @retval Others A device error occurred while initializing the controller. + +**/ +EFI_STATUS +UfsControllerInit ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private + ); + +/** + Stop the UFS host controller. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + + @retval EFI_SUCCESS The Ufs Host Controller is stopped successfully. + @retval Others A device error occurred while stopping the controller. + +**/ +EFI_STATUS +UfsControllerStop ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private + ); + +/** + Allocate common buffer for host and UFS bus master access simultaneously. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[in] Size The length of buffer to be allocated. + @param[out] CmdDescHost A pointer to store the base system memory address of the allocated range. + @param[out] CmdDescPhyAddr The resulting map address for the UFS bus master to use to access the hosts CmdDescHost. + @param[out] CmdDescMapping A resulting value to pass to Unmap(). + + @retval EFI_SUCCESS The common buffer was allocated successfully. + @retval EFI_DEVICE_ERROR The allocation fails. + @retval EFI_OUT_OF_RESOURCES The memory resource is insufficient. + +**/ +EFI_STATUS +UfsAllocateAlignCommonBuffer ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN UINTN Size, + OUT VOID **CmdDescHost, + OUT EFI_PHYSICAL_ADDRESS *CmdDescPhyAddr, + OUT VOID **CmdDescMapping + ); + +/** + Set specified flag to 1 on a UFS device. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[in] FlagId The ID of flag to be set. + + @retval EFI_SUCCESS The flag was set successfully. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to set the flag. + @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of setting the flag. + +**/ +EFI_STATUS +UfsSetFlag ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN UINT8 FlagId + ); + +/** + Read specified flag from a UFS device. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[in] FlagId The ID of flag to be read. + @param[out] Value The flag's value. + + @retval EFI_SUCCESS The flag was read successfully. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to read the flag. + @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of reading the flag. + +**/ +EFI_STATUS +UfsReadFlag ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN UINT8 FlagId, + OUT UINT8 *Value + ); + +/** + Read or write specified flag of a UFS device. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[in] Read The boolean variable to show r/w direction. + @param[in] FlagId The ID of flag to be read or written. + @param[in, out] Value The value to set or clear flag. + + @retval EFI_SUCCESS The flag was read/written successfully. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to r/w the flag. + @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of r/w the flag. + +**/ +EFI_STATUS +UfsRwFlags ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN BOOLEAN Read, + IN UINT8 FlagId, + IN OUT UINT8 *Value + ); + +/** + Read or write specified device descriptor of a UFS device. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[in] Read The boolean variable to show r/w direction. + @param[in] DescId The ID of device descriptor. + @param[in] Index The Index of device descriptor. + @param[in] Selector The Selector of device descriptor. + @param[in, out] Descriptor The buffer of device descriptor to be read or written. + @param[in, out] DescSize The size of device descriptor buffer. On input, the size, in bytes, + of the data buffer specified by Descriptor. On output, the number + of bytes that were actually transferred. + + @retval EFI_SUCCESS The device descriptor was read/written successfully. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to r/w the device descriptor. + @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of r/w the device descriptor. + +**/ +EFI_STATUS +UfsRwDeviceDesc ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN BOOLEAN Read, + IN UINT8 DescId, + IN UINT8 Index, + IN UINT8 Selector, + IN OUT VOID *Descriptor, + IN OUT UINT32 *DescSize + ); + +/** + Read or write specified attribute of a UFS device. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[in] Read The boolean variable to show r/w direction. + @param[in] AttrId The ID of Attribute. + @param[in] Index The Index of Attribute. + @param[in] Selector The Selector of Attribute. + @param[in, out] Attributes The value of Attribute to be read or written. + + @retval EFI_SUCCESS The Attribute was read/written successfully. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to r/w the Attribute. + @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of r/w the Attribute. + +**/ +EFI_STATUS +UfsRwAttributes ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN BOOLEAN Read, + IN UINT8 AttrId, + IN UINT8 Index, + IN UINT8 Selector, + IN OUT UINT32 *Attributes + ); + +/** + Sends NOP IN cmd to a UFS device for initialization process request. + For more details, please refer to UFS 2.0 spec Figure 13.3. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + + @retval EFI_SUCCESS The NOP IN command was sent by the host. The NOP OUT response was + received successfully. + @retval EFI_DEVICE_ERROR A device error occurred while attempting to execute NOP IN command. + @retval EFI_OUT_OF_RESOURCES The resource for transfer is not available. + @retval EFI_TIMEOUT A timeout occurred while waiting for the NOP IN command to execute. + +**/ +EFI_STATUS +UfsExecNopCmds ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private + ); + +/** + Call back function when the timer event is signaled. + + @param[in] Event The Event this notify function registered to. + @param[in] Context Pointer to the context data registered to the Event. + +**/ +VOID +EFIAPI +ProcessAsyncTaskList ( + IN EFI_EVENT Event, + IN VOID *Context + ); + +/** + Internal helper function which will signal the caller event and clean up + resources. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data + structure. + @param[in] TransReq The pointer to the UFS_PASS_THRU_TRANS_REQ data + structure. + +**/ +VOID +EFIAPI +SignalCallerEvent ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN UFS_PASS_THRU_TRANS_REQ *TransReq + ); + +/** + Read or write specified device descriptor of a UFS device. + + The function is used to read/write UFS device descriptors. The consumer of this API is + responsible for allocating the data buffer pointed by Descriptor. + + @param[in] This The pointer to the EFI_UFS_DEVICE_CONFIG_PROTOCOL instance. + @param[in] Read The boolean variable to show r/w direction. + @param[in] DescId The ID of device descriptor. + @param[in] Index The Index of device descriptor. + @param[in] Selector The Selector of device descriptor. + @param[in, out] Descriptor The buffer of device descriptor to be read or written. + @param[in, out] DescSize The size of device descriptor buffer. On input, the size, in bytes, + of the data buffer specified by Descriptor. On output, the number + of bytes that were actually transferred. + + @retval EFI_SUCCESS The device descriptor is read/written successfully. + @retval EFI_INVALID_PARAMETER This is NULL or Descriptor is NULL or DescSize is NULL. + DescId, Index and Selector are invalid combination to point to a + type of UFS device descriptor. + @retval EFI_DEVICE_ERROR The device descriptor is not read/written successfully. + +**/ +EFI_STATUS +EFIAPI +UfsRwUfsDescriptor ( + IN EFI_UFS_DEVICE_CONFIG_PROTOCOL *This, + IN BOOLEAN Read, + IN UINT8 DescId, + IN UINT8 Index, + IN UINT8 Selector, + IN OUT UINT8 *Descriptor, + IN OUT UINT32 *DescSize + ); + +/** + Read or write specified flag of a UFS device. + + The function is used to read/write UFS flag descriptors. The consumer of this API is responsible + for allocating the buffer pointed by Flag. The buffer size is 1 byte as UFS flag descriptor is + just a single Boolean value that represents a TRUE or FALSE, '0' or '1', ON or OFF type of value. + + @param[in] This The pointer to the EFI_UFS_DEVICE_CONFIG_PROTOCOL instance. + @param[in] Read The boolean variable to show r/w direction. + @param[in] FlagId The ID of flag to be read or written. + @param[in, out] Flag The buffer to set or clear flag. + + @retval EFI_SUCCESS The flag descriptor is set/clear successfully. + @retval EFI_INVALID_PARAMETER This is NULL or Flag is NULL. + FlagId is an invalid UFS flag ID. + @retval EFI_DEVICE_ERROR The flag is not set/clear successfully. + +**/ +EFI_STATUS +EFIAPI +UfsRwUfsFlag ( + IN EFI_UFS_DEVICE_CONFIG_PROTOCOL *This, + IN BOOLEAN Read, + IN UINT8 FlagId, + IN OUT UINT8 *Flag + ); + +/** + Read or write specified attribute of a UFS device. + + The function is used to read/write UFS attributes. The consumer of this API is responsible for + allocating the data buffer pointed by Attribute. + + @param[in] This The pointer to the EFI_UFS_DEVICE_CONFIG_PROTOCOL instance. + @param[in] Read The boolean variable to show r/w direction. + @param[in] AttrId The ID of Attribute. + @param[in] Index The Index of Attribute. + @param[in] Selector The Selector of Attribute. + @param[in, out] Attribute The buffer of Attribute to be read or written. + @param[in, out] AttrSize The size of Attribute buffer. On input, the size, in bytes, of the + data buffer specified by Attribute. On output, the number of bytes + that were actually transferred. + + @retval EFI_SUCCESS The attribute is read/written successfully. + @retval EFI_INVALID_PARAMETER This is NULL or Attribute is NULL or AttrSize is NULL. + AttrId, Index and Selector are invalid combination to point to a + type of UFS attribute. + @retval EFI_DEVICE_ERROR The attribute is not read/written successfully. + +**/ +EFI_STATUS +EFIAPI +UfsRwUfsAttribute ( + IN EFI_UFS_DEVICE_CONFIG_PROTOCOL *This, + IN BOOLEAN Read, + IN UINT8 AttrId, + IN UINT8 Index, + IN UINT8 Selector, + IN OUT UINT8 *Attribute, + IN OUT UINT32 *AttrSize + ); + +/** + Execute UIC command. + + @param[in] This Pointer to driver interface produced by the UFS controller. + @param[in, out] UicCommand Descriptor of the command that will be executed. + + @retval EFI_SUCCESS Command executed successfully. + @retval EFI_INVALID_PARAMETER This or UicCommand is NULL. + @retval Others Command failed to execute. +**/ +EFI_STATUS +EFIAPI +UfsHcDriverInterfaceExecUicCommand ( + IN EDKII_UFS_HC_DRIVER_INTERFACE *This, + IN OUT EDKII_UIC_COMMAND *UicCommand + ); + +/** + Initializes UfsHcInfo field in private data. + + @param[in] Private Pointer to host controller private data. + + @retval EFI_SUCCESS UfsHcInfo initialized successfully. + @retval Others Failed to initalize UfsHcInfo. +**/ +EFI_STATUS +GetUfsHcInfo ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private + ); + +extern EFI_COMPONENT_NAME_PROTOCOL gUfsPassThruComponentName; +extern EFI_COMPONENT_NAME2_PROTOCOL gUfsPassThruComponentName2; +extern EFI_DRIVER_BINDING_PROTOCOL gUfsPassThruDriverBinding; +extern EDKII_UFS_HC_PLATFORM_PROTOCOL *mUfsHcPlatform; + +#endif |