From af1a266670d040d2f4083ff309d732d648afba2a Mon Sep 17 00:00:00 2001 From: Angelos Mouzakitis Date: Tue, 10 Oct 2023 14:33:42 +0000 Subject: Add submodule dependency files Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec --- .../Bus/Ufs/UfsPassThruDxe/ComponentName.c | 216 ++ .../Bus/Ufs/UfsPassThruDxe/UfsDevConfigProtocol.c | 190 ++ .../Bus/Ufs/UfsPassThruDxe/UfsPassThru.c | 1187 ++++++++++ .../Bus/Ufs/UfsPassThruDxe/UfsPassThru.h | 998 ++++++++ .../Bus/Ufs/UfsPassThruDxe/UfsPassThru.uni | 17 + .../Bus/Ufs/UfsPassThruDxe/UfsPassThruDxe.inf | 60 + .../Bus/Ufs/UfsPassThruDxe/UfsPassThruExtra.uni | 14 + .../Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c | 2454 ++++++++++++++++++++ .../Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.h | 1339 +++++++++++ 9 files changed, 6475 insertions(+) create mode 100644 roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/ComponentName.c create mode 100644 roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsDevConfigProtocol.c create mode 100644 roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c create mode 100644 roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h create mode 100644 roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.uni create mode 100644 roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruDxe.inf create mode 100644 roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruExtra.uni create mode 100644 roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c create mode 100644 roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.h (limited to 'roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe') diff --git a/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/ComponentName.c b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/ComponentName.c new file mode 100644 index 000000000..aced63b49 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/ComponentName.c @@ -0,0 +1,216 @@ +/** @file + + Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ +#include "UfsPassThru.h" + +// +// EFI Component Name Protocol +// +GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME_PROTOCOL gUfsPassThruComponentName = { + UfsPassThruComponentNameGetDriverName, + UfsPassThruComponentNameGetControllerName, + "eng" +}; + +// +// EFI Component Name 2 Protocol +// +GLOBAL_REMOVE_IF_UNREFERENCED EFI_COMPONENT_NAME2_PROTOCOL gUfsPassThruComponentName2 = { + (EFI_COMPONENT_NAME2_GET_DRIVER_NAME) UfsPassThruComponentNameGetDriverName, + (EFI_COMPONENT_NAME2_GET_CONTROLLER_NAME) UfsPassThruComponentNameGetControllerName, + "en" +}; + + +GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mUfsPassThruDriverNameTable[] = { + { + "eng;en", + L"Universal Flash Storage (UFS) Pass Thru Driver" + }, + { + NULL, + NULL + } +}; + +GLOBAL_REMOVE_IF_UNREFERENCED EFI_UNICODE_STRING_TABLE mUfsPassThruControllerNameTable[] = { + { + "eng;en", + L"Universal Flash Storage (UFS) Host Controller" + }, + { + NULL, + NULL + } +}; + +/** + 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 + ) +{ + return LookupUnicodeString2 ( + Language, + This->SupportedLanguages, + mUfsPassThruDriverNameTable, + DriverName, + (BOOLEAN)(This == &gUfsPassThruComponentName) + ); +} + +/** + 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 + ) +{ + EFI_STATUS Status; + + if (Language == NULL || ControllerName == NULL) { + return EFI_INVALID_PARAMETER; + } + + // + // This is a device driver, so ChildHandle must be NULL. + // + if (ChildHandle != NULL) { + return EFI_UNSUPPORTED; + } + + // + // Make sure this driver is currently managing Controller Handle + // + Status = EfiTestManagedDevice ( + ControllerHandle, + gUfsPassThruDriverBinding.DriverBindingHandle, + &gEdkiiUfsHostControllerProtocolGuid + ); + if (EFI_ERROR (Status)) { + return Status; + } + + return LookupUnicodeString2 ( + Language, + This->SupportedLanguages, + mUfsPassThruControllerNameTable, + ControllerName, + (BOOLEAN)(This == &gUfsPassThruComponentName) + ); +} diff --git a/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsDevConfigProtocol.c b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsDevConfigProtocol.c new file mode 100644 index 000000000..4730ecd90 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsDevConfigProtocol.c @@ -0,0 +1,190 @@ +/** @file + The implementation of the EFI UFS Device Config Protocol. + + Copyright (c) 2017, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "UfsPassThru.h" + +/** + 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 + ) +{ + EFI_STATUS Status; + UFS_PASS_THRU_PRIVATE_DATA *Private; + + Private = UFS_PASS_THRU_PRIVATE_DATA_FROM_DEV_CONFIG (This); + + if ((This == NULL) || (Descriptor == NULL) || (DescSize == NULL)) { + return EFI_INVALID_PARAMETER; + } + + Status = UfsRwDeviceDesc ( + Private, + Read, + DescId, + Index, + Selector, + Descriptor, + DescSize + ); + if (Status == EFI_TIMEOUT) { + Status = EFI_DEVICE_ERROR; + } + return Status; +} + +/** + 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 + ) +{ + EFI_STATUS Status; + UFS_PASS_THRU_PRIVATE_DATA *Private; + + Private = UFS_PASS_THRU_PRIVATE_DATA_FROM_DEV_CONFIG (This); + + if ((This == NULL) || (Flag == NULL)) { + return EFI_INVALID_PARAMETER; + } + + Status = UfsRwFlags (Private, Read, FlagId, Flag); + if (Status == EFI_TIMEOUT) { + Status = EFI_DEVICE_ERROR; + } + return Status; +} + +/** + 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 + ) +{ + EFI_STATUS Status; + UFS_PASS_THRU_PRIVATE_DATA *Private; + UINT32 Attribute32; + + Private = UFS_PASS_THRU_PRIVATE_DATA_FROM_DEV_CONFIG (This); + Attribute32 = 0; + + if ((This == NULL) || (Attribute == NULL) || (AttrSize == NULL)) { + return EFI_INVALID_PARAMETER; + } + + // + // According to UFS Version 2.1 Spec (JESD220C) Section 14.3, the size of a attribute will not + // exceed 32-bit. + // + if (*AttrSize > 4) { + return EFI_INVALID_PARAMETER; + } + + if (!Read) { + CopyMem (&Attribute32, Attribute, *AttrSize); + } + + Status = UfsRwAttributes ( + Private, + Read, + AttrId, + Index, + Selector, + &Attribute32 + ); + if (!EFI_ERROR (Status)) { + if (Read) { + CopyMem (Attribute, &Attribute32, *AttrSize); + } + } else { + *AttrSize = 0; + if (Status == EFI_TIMEOUT) { + Status = EFI_DEVICE_ERROR; + } + } + return Status; +} diff --git a/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c new file mode 100644 index 000000000..9768c2e6f --- /dev/null +++ b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.c @@ -0,0 +1,1187 @@ +/** @file + + Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.
+ Copyright (c) Microsoft Corporation.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "UfsPassThru.h" + +// +// Template for Ufs Pass Thru private data. +// +UFS_PASS_THRU_PRIVATE_DATA gUfsPassThruTemplate = { + UFS_PASS_THRU_SIG, // Signature + NULL, // Handle + { // ExtScsiPassThruMode + 0xFFFFFFFF, + EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_PHYSICAL | EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_LOGICAL | EFI_EXT_SCSI_PASS_THRU_ATTRIBUTES_NONBLOCKIO, + sizeof (UINTN) + }, + { // ExtScsiPassThru + NULL, + UfsPassThruPassThru, + UfsPassThruGetNextTargetLun, + UfsPassThruBuildDevicePath, + UfsPassThruGetTargetLun, + UfsPassThruResetChannel, + UfsPassThruResetTargetLun, + UfsPassThruGetNextTarget + }, + { // UfsDevConfig + UfsRwUfsDescriptor, + UfsRwUfsFlag, + UfsRwUfsAttribute + }, + 0, // UfsHostController + 0, // UfsHcBase + {0, 0}, // UfsHcInfo + {NULL, NULL}, // UfsHcDriverInterface + 0, // TaskTag + 0, // UtpTrlBase + 0, // Nutrs + 0, // TrlMapping + 0, // UtpTmrlBase + 0, // Nutmrs + 0, // TmrlMapping + { // Luns + { + UFS_LUN_0, // Ufs Common Lun 0 + UFS_LUN_1, // Ufs Common Lun 1 + UFS_LUN_2, // Ufs Common Lun 2 + UFS_LUN_3, // Ufs Common Lun 3 + UFS_LUN_4, // Ufs Common Lun 4 + UFS_LUN_5, // Ufs Common Lun 5 + UFS_LUN_6, // Ufs Common Lun 6 + UFS_LUN_7, // Ufs Common Lun 7 + UFS_WLUN_REPORT_LUNS, // Ufs Reports Luns Well Known Lun + UFS_WLUN_UFS_DEV, // Ufs Device Well Known Lun + UFS_WLUN_BOOT, // Ufs Boot Well Known Lun + UFS_WLUN_RPMB // RPMB Well Known Lun + }, + 0x0000, // By default don't expose any Luns. + 0x0 + }, + NULL, // TimerEvent + { // Queue + NULL, + NULL + } +}; + +EFI_DRIVER_BINDING_PROTOCOL gUfsPassThruDriverBinding = { + UfsPassThruDriverBindingSupported, + UfsPassThruDriverBindingStart, + UfsPassThruDriverBindingStop, + 0x10, + NULL, + NULL +}; + +UFS_DEVICE_PATH mUfsDevicePathTemplate = { + { + MESSAGING_DEVICE_PATH, + MSG_UFS_DP, + { + (UINT8) (sizeof (UFS_DEVICE_PATH)), + (UINT8) ((sizeof (UFS_DEVICE_PATH)) >> 8) + } + }, + 0, + 0 +}; + +UINT8 mUfsTargetId[TARGET_MAX_BYTES]; + +GLOBAL_REMOVE_IF_UNREFERENCED EDKII_UFS_HC_PLATFORM_PROTOCOL *mUfsHcPlatform; + +/** + 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 + ) +{ + EFI_STATUS Status; + UFS_PASS_THRU_PRIVATE_DATA *Private; + UINT8 UfsLun; + UINT16 Index; + + Private = UFS_PASS_THRU_PRIVATE_DATA_FROM_THIS (This); + + if ((Packet == NULL) || (Packet->Cdb == NULL)) { + return EFI_INVALID_PARAMETER; + } + + // + // Don't support variable length CDB + // + if ((Packet->CdbLength != 6) && (Packet->CdbLength != 10) && + (Packet->CdbLength != 12) && (Packet->CdbLength != 16)) { + return EFI_INVALID_PARAMETER; + } + + if ((Packet->SenseDataLength != 0) && (Packet->SenseData == NULL)) { + return EFI_INVALID_PARAMETER; + } + + if ((This->Mode->IoAlign > 1) && !IS_ALIGNED(Packet->InDataBuffer, This->Mode->IoAlign)) { + return EFI_INVALID_PARAMETER; + } + + if ((This->Mode->IoAlign > 1) && !IS_ALIGNED(Packet->OutDataBuffer, This->Mode->IoAlign)) { + return EFI_INVALID_PARAMETER; + } + + if ((This->Mode->IoAlign > 1) && !IS_ALIGNED(Packet->SenseData, This->Mode->IoAlign)) { + return EFI_INVALID_PARAMETER; + } + + // + // For UFS 2.0 compatible device, 0 is always used to represent the location of the UFS device. + // + SetMem (mUfsTargetId, TARGET_MAX_BYTES, 0x00); + if ((Target == NULL) || (CompareMem(Target, mUfsTargetId, TARGET_MAX_BYTES) != 0)) { + return EFI_INVALID_PARAMETER; + } + + // + // UFS 2.0 spec Section 10.6.7 - Translation of 8-bit UFS LUN to 64-bit SCSI LUN Address + // 0xC1 in the first 8 bits of the 64-bit address indicates a well known LUN address in the SAM SCSI format. + // The second 8 bits of the 64-bit address saves the corresponding 8-bit UFS LUN. + // + if ((UINT8)Lun == UFS_WLUN_PREFIX) { + UfsLun = BIT7 | (((UINT8*)&Lun)[1] & 0xFF); + } else if ((UINT8)Lun == 0) { + UfsLun = ((UINT8*)&Lun)[1] & 0xFF; + } else { + return EFI_INVALID_PARAMETER; + } + + for (Index = 0; Index < UFS_MAX_LUNS; Index++) { + if ((Private->Luns.BitMask & (BIT0 << Index)) == 0) { + continue; + } + + if (Private->Luns.Lun[Index] == UfsLun) { + break; + } + } + + if (Index == UFS_MAX_LUNS) { + return EFI_INVALID_PARAMETER; + } + + Status = UfsExecScsiCmds (Private, UfsLun, Packet, Event); + + return Status; +} + +/** + 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 + ) +{ + UFS_PASS_THRU_PRIVATE_DATA *Private; + UINT8 UfsLun; + UINT16 Index; + UINT16 Next; + + Private = UFS_PASS_THRU_PRIVATE_DATA_FROM_THIS (This); + + if (Target == NULL || Lun == NULL) { + return EFI_INVALID_PARAMETER; + } + + if (*Target == NULL) { + return EFI_INVALID_PARAMETER; + } + + UfsLun = 0; + SetMem (mUfsTargetId, TARGET_MAX_BYTES, 0xFF); + if (CompareMem (*Target, mUfsTargetId, TARGET_MAX_BYTES) == 0) { + // + // If the array is all 0xFF's, return the first exposed Lun to caller. + // + SetMem (*Target, TARGET_MAX_BYTES, 0x00); + for (Index = 0; Index < UFS_MAX_LUNS; Index++) { + if ((Private->Luns.BitMask & (BIT0 << Index)) != 0) { + UfsLun = Private->Luns.Lun[Index]; + break; + } + } + if (Index != UFS_MAX_LUNS) { + *Lun = 0; + if ((UfsLun & BIT7) == BIT7) { + ((UINT8*)Lun)[0] = UFS_WLUN_PREFIX; + ((UINT8*)Lun)[1] = UfsLun & ~BIT7; + } else { + ((UINT8*)Lun)[1] = UfsLun; + } + return EFI_SUCCESS; + } else { + return EFI_NOT_FOUND; + } + } + + SetMem (mUfsTargetId, TARGET_MAX_BYTES, 0x00); + if (CompareMem (*Target, mUfsTargetId, TARGET_MAX_BYTES) == 0) { + if (((UINT8*)Lun)[0] == UFS_WLUN_PREFIX) { + UfsLun = BIT7 | (((UINT8*)Lun)[1] & 0xFF); + } else if (((UINT8*)Lun)[0] == 0) { + UfsLun = ((UINT8*)Lun)[1] & 0xFF; + } else { + return EFI_NOT_FOUND; + } + + for (Index = 0; Index < UFS_MAX_LUNS; Index++) { + if ((Private->Luns.BitMask & (BIT0 << Index)) == 0) { + continue; + } + + if (Private->Luns.Lun[Index] != UfsLun) { + continue; + } + + for (Next = Index + 1; Next < UFS_MAX_LUNS; Next++) { + if ((Private->Luns.BitMask & (BIT0 << Next)) != 0) { + UfsLun = Private->Luns.Lun[Next]; + break; + } + } + + if (Next == UFS_MAX_LUNS) { + return EFI_NOT_FOUND; + } else { + break; + } + } + + if (Index != UFS_MAX_LUNS) { + *Lun = 0; + if ((UfsLun & BIT7) == BIT7) { + ((UINT8*)Lun)[0] = UFS_WLUN_PREFIX; + ((UINT8*)Lun)[1] = UfsLun & ~BIT7; + } else { + ((UINT8*)Lun)[1] = UfsLun; + } + return EFI_SUCCESS; + } else { + return EFI_NOT_FOUND; + } + } + + return EFI_NOT_FOUND; +} + +/** + 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 + ) +{ + UFS_PASS_THRU_PRIVATE_DATA *Private; + EFI_DEV_PATH *DevicePathNode; + UINT8 UfsLun; + UINT16 Index; + + Private = UFS_PASS_THRU_PRIVATE_DATA_FROM_THIS (This); + + // + // Validate parameters passed in. + // + SetMem (mUfsTargetId, TARGET_MAX_BYTES, 0x00); + if (CompareMem (Target, mUfsTargetId, TARGET_MAX_BYTES) != 0) { + return EFI_INVALID_PARAMETER; + } + + if ((UINT8)Lun == UFS_WLUN_PREFIX) { + UfsLun = BIT7 | (((UINT8*)&Lun)[1] & 0xFF); + } else if ((UINT8)Lun == 0) { + UfsLun = ((UINT8*)&Lun)[1] & 0xFF; + } else { + return EFI_NOT_FOUND; + } + + for (Index = 0; Index < UFS_MAX_LUNS; Index++) { + if ((Private->Luns.BitMask & (BIT0 << Index)) == 0) { + continue; + } + + if (Private->Luns.Lun[Index] == UfsLun) { + break; + } + } + + if (Index == UFS_MAX_LUNS) { + return EFI_NOT_FOUND; + } + + DevicePathNode = AllocateCopyPool (sizeof (UFS_DEVICE_PATH), &mUfsDevicePathTemplate); + if (DevicePathNode == NULL) { + return EFI_OUT_OF_RESOURCES; + } + + DevicePathNode->Ufs.Pun = 0; + DevicePathNode->Ufs.Lun = UfsLun; + + *DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) DevicePathNode; + + return EFI_SUCCESS; +} + +/** + 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 + ) +{ + UFS_PASS_THRU_PRIVATE_DATA *Private; + EFI_DEV_PATH *DevicePathNode; + UINT8 Pun; + UINT8 UfsLun; + UINT16 Index; + + Private = UFS_PASS_THRU_PRIVATE_DATA_FROM_THIS (This); + + // + // Validate parameters passed in. + // + if (DevicePath == NULL || Target == NULL || Lun == NULL) { + return EFI_INVALID_PARAMETER; + } + + if (*Target == NULL) { + return EFI_INVALID_PARAMETER; + } + + // + // Check whether the DevicePath belongs to UFS_DEVICE_PATH + // + if ((DevicePath->Type != MESSAGING_DEVICE_PATH) || (DevicePath->SubType != MSG_UFS_DP) || + (DevicePathNodeLength(DevicePath) != sizeof(UFS_DEVICE_PATH))) { + return EFI_UNSUPPORTED; + } + + DevicePathNode = (EFI_DEV_PATH *) DevicePath; + + Pun = (UINT8) DevicePathNode->Ufs.Pun; + UfsLun = (UINT8) DevicePathNode->Ufs.Lun; + + if (Pun != 0) { + return EFI_NOT_FOUND; + } + + for (Index = 0; Index < UFS_MAX_LUNS; Index++) { + if ((Private->Luns.BitMask & (BIT0 << Index)) == 0) { + continue; + } + + if (Private->Luns.Lun[Index] == UfsLun) { + break; + } + } + + if (Index == UFS_MAX_LUNS) { + return EFI_NOT_FOUND; + } + + SetMem (*Target, TARGET_MAX_BYTES, 0x00); + *Lun = 0; + if ((UfsLun & BIT7) == BIT7) { + ((UINT8*)Lun)[0] = UFS_WLUN_PREFIX; + ((UINT8*)Lun)[1] = UfsLun & ~BIT7; + } else { + ((UINT8*)Lun)[1] = UfsLun; + } + return EFI_SUCCESS; +} + +/** + 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 + ) +{ + // + // Return success directly then upper layer driver could think reset channel operation is done. + // + return EFI_SUCCESS; +} + +/** + 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 + ) +{ + // + // Return success directly then upper layer driver could think reset target LUN operation is done. + // + return EFI_SUCCESS; +} + +/** + 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 + ) +{ + if (Target == NULL || *Target == NULL) { + return EFI_INVALID_PARAMETER; + } + + SetMem (mUfsTargetId, TARGET_MAX_BYTES, 0xFF); + if (CompareMem(*Target, mUfsTargetId, TARGET_MAX_BYTES) == 0) { + SetMem (*Target, TARGET_MAX_BYTES, 0x00); + return EFI_SUCCESS; + } + + return EFI_NOT_FOUND; +} + +/** + 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 + ) +{ + EFI_STATUS Status; + EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath; + EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHostController; + + // + // Ufs Pass Thru driver is a device driver, and should ingore the + // "RemainingDevicePath" according to UEFI spec + // + Status = gBS->OpenProtocol ( + Controller, + &gEfiDevicePathProtocolGuid, + (VOID *) &ParentDevicePath, + This->DriverBindingHandle, + Controller, + EFI_OPEN_PROTOCOL_BY_DRIVER + ); + if (EFI_ERROR (Status)) { + // + // EFI_ALREADY_STARTED is also an error + // + return Status; + } + // + // Close the protocol because we don't use it here + // + gBS->CloseProtocol ( + Controller, + &gEfiDevicePathProtocolGuid, + This->DriverBindingHandle, + Controller + ); + + Status = gBS->OpenProtocol ( + Controller, + &gEdkiiUfsHostControllerProtocolGuid, + (VOID **) &UfsHostController, + This->DriverBindingHandle, + Controller, + EFI_OPEN_PROTOCOL_BY_DRIVER + ); + + if (EFI_ERROR (Status)) { + // + // EFI_ALREADY_STARTED is also an error + // + return Status; + } + + // + // Close the I/O Abstraction(s) used to perform the supported test + // + gBS->CloseProtocol ( + Controller, + &gEdkiiUfsHostControllerProtocolGuid, + This->DriverBindingHandle, + Controller + ); + + return EFI_SUCCESS; +} + +/** + Finishes device initialization by setting fDeviceInit flag and waiting untill device responds by + clearing it. + + @param[in] Private Pointer to the UFS_PASS_THRU_PRIVATE_DATA. + + @retval EFI_SUCCESS The operation succeeds. + @retval Others The operation fails. + +**/ +EFI_STATUS +UfsFinishDeviceInitialization ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private + ) +{ + EFI_STATUS Status; + UINT8 DeviceInitStatus; + UINT8 Timeout; + + DeviceInitStatus = 0xFF; + + // + // The host enables the device initialization completion by setting fDeviceInit flag. + // + Status = UfsSetFlag (Private, UfsFlagDevInit); + if (EFI_ERROR (Status)) { + return Status; + } + + Timeout = 5; + do { + Status = UfsReadFlag (Private, UfsFlagDevInit, &DeviceInitStatus); + if (EFI_ERROR (Status)) { + return Status; + } + MicroSecondDelay (1); + Timeout--; + } while (DeviceInitStatus != 0 && Timeout != 0); + + return EFI_SUCCESS; +} + +/** + 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 + ) +{ + EFI_STATUS Status; + EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc; + UFS_PASS_THRU_PRIVATE_DATA *Private; + UINTN UfsHcBase; + UINT32 Index; + UFS_UNIT_DESC UnitDescriptor; + UFS_DEV_DESC DeviceDescriptor; + UINT32 UnitDescriptorSize; + UINT32 DeviceDescriptorSize; + + Status = EFI_SUCCESS; + UfsHc = NULL; + Private = NULL; + UfsHcBase = 0; + + DEBUG ((DEBUG_INFO, "==UfsPassThru Start== Controller = %x\n", Controller)); + + Status = gBS->OpenProtocol ( + Controller, + &gEdkiiUfsHostControllerProtocolGuid, + (VOID **) &UfsHc, + This->DriverBindingHandle, + Controller, + EFI_OPEN_PROTOCOL_BY_DRIVER + ); + + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Open Ufs Host Controller Protocol Error, Status = %r\n", Status)); + goto Error; + } + + // + // Get the UFS Host Controller MMIO Bar Base Address. + // + Status = UfsHc->GetUfsHcMmioBar (UfsHc, &UfsHcBase); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Get Ufs Host Controller Mmio Bar Error, Status = %r\n", Status)); + goto Error; + } + + // + // Initialize Ufs Pass Thru private data for managed UFS Host Controller. + // + Private = AllocateCopyPool (sizeof (UFS_PASS_THRU_PRIVATE_DATA), &gUfsPassThruTemplate); + if (Private == NULL) { + DEBUG ((DEBUG_ERROR, "Unable to allocate Ufs Pass Thru private data\n")); + Status = EFI_OUT_OF_RESOURCES; + goto Error; + } + + Private->ExtScsiPassThru.Mode = &Private->ExtScsiPassThruMode; + Private->UfsHostController = UfsHc; + Private->UfsHcBase = UfsHcBase; + Private->Handle = Controller; + Private->UfsHcDriverInterface.UfsHcProtocol = UfsHc; + Private->UfsHcDriverInterface.UfsExecUicCommand = UfsHcDriverInterfaceExecUicCommand; + InitializeListHead (&Private->Queue); + + // + // This has to be done before initializing UfsHcInfo or calling the UfsControllerInit + // + if (mUfsHcPlatform == NULL) { + Status = gBS->LocateProtocol (&gEdkiiUfsHcPlatformProtocolGuid, NULL, (VOID**)&mUfsHcPlatform); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_INFO, "No UfsHcPlatformProtocol present\n")); + } + } + + Status = GetUfsHcInfo (Private); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Failed to initialize UfsHcInfo\n")); + goto Error; + } + + // + // Initialize UFS Host Controller H/W. + // + Status = UfsControllerInit (Private); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Ufs Host Controller Initialization Error, Status = %r\n", Status)); + goto Error; + } + + // + // UFS 2.0 spec Section 13.1.3.3: + // At the end of the UFS Interconnect Layer initialization on both host and device side, + // the host shall send a NOP OUT UPIU to verify that the device UTP Layer is ready. + // + Status = UfsExecNopCmds (Private); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Ufs Sending NOP IN command Error, Status = %r\n", Status)); + goto Error; + } + + Status = UfsFinishDeviceInitialization (Private); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Device failed to finish initialization, Status = %r\n", Status)); + goto Error; + } + + // + // Check if 8 common luns are active and set corresponding bit mask. + // + UnitDescriptorSize = sizeof (UFS_UNIT_DESC); + for (Index = 0; Index < 8; Index++) { + Status = UfsRwDeviceDesc (Private, TRUE, UfsUnitDesc, (UINT8) Index, 0, &UnitDescriptor, &UnitDescriptorSize); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Failed to read unit descriptor, index = %X, status = %r\n", Index, Status)); + continue; + } + if (UnitDescriptor.LunEn == 0x1) { + DEBUG ((DEBUG_INFO, "UFS LUN %X is enabled\n", Index)); + Private->Luns.BitMask |= (BIT0 << Index); + } + } + + // + // Check if RPMB WLUN is supported and set corresponding bit mask. + // + DeviceDescriptorSize = sizeof (UFS_DEV_DESC); + Status = UfsRwDeviceDesc (Private, TRUE, UfsDeviceDesc, 0, 0, &DeviceDescriptor, &DeviceDescriptorSize); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Failed to read device descriptor, status = %r\n", Status)); + } else { + if (DeviceDescriptor.SecurityLun == 0x1) { + DEBUG ((DEBUG_INFO, "UFS WLUN RPMB is supported\n")); + Private->Luns.BitMask |= BIT11; + } + } + + // + // Start the asynchronous interrupt monitor + // + Status = gBS->CreateEvent ( + EVT_TIMER | EVT_NOTIFY_SIGNAL, + TPL_NOTIFY, + ProcessAsyncTaskList, + Private, + &Private->TimerEvent + ); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Ufs Create Async Tasks Event Error, Status = %r\n", Status)); + goto Error; + } + + Status = gBS->SetTimer ( + Private->TimerEvent, + TimerPeriodic, + UFS_HC_ASYNC_TIMER + ); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Ufs Set Periodic Timer Error, Status = %r\n", Status)); + goto Error; + } + + Status = gBS->InstallMultipleProtocolInterfaces ( + &Controller, + &gEfiExtScsiPassThruProtocolGuid, + &(Private->ExtScsiPassThru), + &gEfiUfsDeviceConfigProtocolGuid, + &(Private->UfsDevConfig), + NULL + ); + ASSERT_EFI_ERROR (Status); + + return EFI_SUCCESS; + +Error: + if (Private != NULL) { + if (Private->TmrlMapping != NULL) { + UfsHc->Unmap (UfsHc, Private->TmrlMapping); + } + if (Private->UtpTmrlBase != NULL) { + UfsHc->FreeBuffer (UfsHc, EFI_SIZE_TO_PAGES (Private->Nutmrs * sizeof (UTP_TMRD)), Private->UtpTmrlBase); + } + + if (Private->TrlMapping != NULL) { + UfsHc->Unmap (UfsHc, Private->TrlMapping); + } + if (Private->UtpTrlBase != NULL) { + UfsHc->FreeBuffer (UfsHc, EFI_SIZE_TO_PAGES (Private->Nutrs * sizeof (UTP_TMRD)), Private->UtpTrlBase); + } + + if (Private->TimerEvent != NULL) { + gBS->CloseEvent (Private->TimerEvent); + } + + FreePool (Private); + } + + if (UfsHc != NULL) { + gBS->CloseProtocol ( + Controller, + &gEdkiiUfsHostControllerProtocolGuid, + This->DriverBindingHandle, + Controller + ); + } + + return Status; +} + +/** + 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_STATUS Status; + UFS_PASS_THRU_PRIVATE_DATA *Private; + EFI_EXT_SCSI_PASS_THRU_PROTOCOL *ExtScsiPassThru; + EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc; + UFS_PASS_THRU_TRANS_REQ *TransReq; + LIST_ENTRY *Entry; + LIST_ENTRY *NextEntry; + + DEBUG ((DEBUG_INFO, "==UfsPassThru Stop== Controller Controller = %x\n", Controller)); + + Status = gBS->OpenProtocol ( + Controller, + &gEfiExtScsiPassThruProtocolGuid, + (VOID **) &ExtScsiPassThru, + This->DriverBindingHandle, + Controller, + EFI_OPEN_PROTOCOL_GET_PROTOCOL + ); + + if (EFI_ERROR (Status)) { + return EFI_DEVICE_ERROR; + } + + Private = UFS_PASS_THRU_PRIVATE_DATA_FROM_THIS (ExtScsiPassThru); + UfsHc = Private->UfsHostController; + + // + // Cleanup the resources of I/O requests in the async I/O queue + // + if (!IsListEmpty(&Private->Queue)) { + BASE_LIST_FOR_EACH_SAFE (Entry, NextEntry, &Private->Queue) { + TransReq = UFS_PASS_THRU_TRANS_REQ_FROM_THIS (Entry); + + // + // TODO: Should find/add a proper host adapter return status for this + // case. + // + TransReq->Packet->HostAdapterStatus = + EFI_EXT_SCSI_STATUS_HOST_ADAPTER_PHASE_ERROR; + + SignalCallerEvent (Private, TransReq); + } + } + + Status = gBS->UninstallMultipleProtocolInterfaces ( + Controller, + &gEfiExtScsiPassThruProtocolGuid, + &(Private->ExtScsiPassThru), + &gEfiUfsDeviceConfigProtocolGuid, + &(Private->UfsDevConfig), + NULL + ); + + if (EFI_ERROR (Status)) { + return EFI_DEVICE_ERROR; + } + + // + // Stop Ufs Host Controller + // + Status = UfsControllerStop (Private); + ASSERT_EFI_ERROR (Status); + + if (Private->TmrlMapping != NULL) { + UfsHc->Unmap (UfsHc, Private->TmrlMapping); + } + if (Private->UtpTmrlBase != NULL) { + UfsHc->FreeBuffer (UfsHc, EFI_SIZE_TO_PAGES (Private->Nutmrs * sizeof (UTP_TMRD)), Private->UtpTmrlBase); + } + + if (Private->TrlMapping != NULL) { + UfsHc->Unmap (UfsHc, Private->TrlMapping); + } + if (Private->UtpTrlBase != NULL) { + UfsHc->FreeBuffer (UfsHc, EFI_SIZE_TO_PAGES (Private->Nutrs * sizeof (UTP_TMRD)), Private->UtpTrlBase); + } + + if (Private->TimerEvent != NULL) { + gBS->CloseEvent (Private->TimerEvent); + } + + FreePool (Private); + + // + // Close protocols opened by UfsPassThru controller driver + // + gBS->CloseProtocol ( + Controller, + &gEdkiiUfsHostControllerProtocolGuid, + This->DriverBindingHandle, + Controller + ); + + return Status; +} + + +/** + The user Entry Point for module UfsPassThru. The user code starts with this function. + + @param[in] ImageHandle The firmware allocated handle for the EFI image. + @param[in] SystemTable A pointer to the EFI System Table. + + @retval EFI_SUCCESS The entry point is executed successfully. + @retval other Some error occurs when executing this entry point. + +**/ +EFI_STATUS +EFIAPI +InitializeUfsPassThru ( + IN EFI_HANDLE ImageHandle, + IN EFI_SYSTEM_TABLE *SystemTable + ) +{ + EFI_STATUS Status; + + // + // Install driver model protocol(s). + // + Status = EfiLibInstallDriverBindingComponentName2 ( + ImageHandle, + SystemTable, + &gUfsPassThruDriverBinding, + ImageHandle, + &gUfsPassThruComponentName, + &gUfsPassThruComponentName2 + ); + ASSERT_EFI_ERROR (Status); + + return Status; +} diff --git a/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h new file mode 100644 index 000000000..ef33250c8 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.h @@ -0,0 +1,998 @@ +/** @file + + Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.
+ Copyright (c) Microsoft Corporation.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _UFS_PASS_THRU_H_ +#define _UFS_PASS_THRU_H_ + +#include + +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#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 + +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 diff --git a/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.uni b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.uni new file mode 100644 index 000000000..5aa4f587f --- /dev/null +++ b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThru.uni @@ -0,0 +1,17 @@ +// /** @file +// The UfsPassThruDxe driver is used to provide support on accessing UFS device. +// +// It produces an EFI_EXT_SCSI_PASS_THRU_PROTOCOL interface for upper layer to send +// SCSI cmd to UFS device. +// +// Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.
+// +// SPDX-License-Identifier: BSD-2-Clause-Patent +// +// **/ + + +#string STR_MODULE_ABSTRACT #language en-US "Used to provide support on accessing UFS device." + +#string STR_MODULE_DESCRIPTION #language en-US "It produces an EFI_EXT_SCSI_PASS_THRU_PROTOCOL interface for upper layer to send SCSI cmd to UFS device." + diff --git a/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruDxe.inf b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruDxe.inf new file mode 100644 index 000000000..92dc25714 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruDxe.inf @@ -0,0 +1,60 @@ +## @file +# Description file for the Universal Flash Storage (UFS) Pass Thru driver. +# +# Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.
+# +# SPDX-License-Identifier: BSD-2-Clause-Patent +# +# +## + +[Defines] + INF_VERSION = 0x00010005 + BASE_NAME = UfsPassThruDxe + MODULE_UNI_FILE = UfsPassThru.uni + FILE_GUID = E7F1DFF9-DAB6-498A-9ADF-57F344EDDF57 + MODULE_TYPE = UEFI_DRIVER + VERSION_STRING = 1.0 + + ENTRY_POINT = InitializeUfsPassThru + +# +# The following information is for reference only and not required by the build tools. +# +# VALID_ARCHITECTURES = IA32 X64 EBC +# +# DRIVER_BINDING = gUfsPassThruDriverBinding +# COMPONENT_NAME = gUfsPassThruComponentName +# + +[Sources] + ComponentName.c + UfsDevConfigProtocol.c + UfsPassThru.c + UfsPassThru.h + UfsPassThruHci.c + UfsPassThruHci.h + +[Packages] + MdePkg/MdePkg.dec + MdeModulePkg/MdeModulePkg.dec + +[LibraryClasses] + UefiBootServicesTableLib + MemoryAllocationLib + BaseMemoryLib + UefiLib + BaseLib + UefiDriverEntryPoint + DebugLib + DevicePathLib + TimerLib + +[Protocols] + gEfiExtScsiPassThruProtocolGuid ## BY_START + gEfiUfsDeviceConfigProtocolGuid ## BY_START + gEdkiiUfsHostControllerProtocolGuid ## TO_START + gEdkiiUfsHcPlatformProtocolGuid ## SOMETIMES_CONSUMES + +[UserExtensions.TianoCore."ExtraFiles"] + UfsPassThruExtra.uni diff --git a/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruExtra.uni b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruExtra.uni new file mode 100644 index 000000000..dd6d31526 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruExtra.uni @@ -0,0 +1,14 @@ +// /** @file +// UfsPassThruDxe Localized Strings and Content +// +// Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.
+// +// SPDX-License-Identifier: BSD-2-Clause-Patent +// +// **/ + +#string STR_PROPERTIES_MODULE_NAME +#language en-US +"UFS PassThru UEFI Driver" + + diff --git a/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c new file mode 100644 index 000000000..0b1030ab4 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.c @@ -0,0 +1,2454 @@ +/** @file + UfsPassThruDxe driver is used to produce EFI_EXT_SCSI_PASS_THRU protocol interface + for upper layer application to execute UFS-supported SCSI cmds. + + Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.
+ Copyright (c) Microsoft Corporation.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "UfsPassThru.h" + +/** + Read 32bits data from specified UFS MMIO register. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[in] Offset The offset within the UFS Host Controller MMIO space to start + the memory operation. + @param[out] Value The data buffer to store. + + @retval EFI_TIMEOUT The operation is time out. + @retval EFI_SUCCESS The operation succeeds. + @retval Others The operation fails. + +**/ +EFI_STATUS +UfsMmioRead32 ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN UINTN Offset, + OUT UINT32 *Value + ) +{ + EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc; + EFI_STATUS Status; + + UfsHc = Private->UfsHostController; + + Status = UfsHc->Read (UfsHc, EfiUfsHcWidthUint32, Offset, 1, Value); + + return Status; +} + +/** + Write 32bits data to specified UFS MMIO register. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[in] Offset The offset within the UFS Host Controller MMIO space to start + the memory operation. + @param[in] Value The data to write. + + @retval EFI_TIMEOUT The operation is time out. + @retval EFI_SUCCESS The operation succeeds. + @retval Others The operation fails. + +**/ +EFI_STATUS +UfsMmioWrite32 ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN UINTN Offset, + IN UINT32 Value + ) +{ + EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc; + EFI_STATUS Status; + + UfsHc = Private->UfsHostController; + + Status = UfsHc->Write (UfsHc, EfiUfsHcWidthUint32, Offset, 1, &Value); + + return Status; +} + +/** + Wait for the value of the specified system memory set to the test value. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[in] Offset The offset within the UFS Host Controller MMIO space to start + the memory operation. + @param[in] MaskValue The mask value of memory. + @param[in] TestValue The test value of memory. + @param[in] Timeout The time out value for wait memory set, uses 100ns as a unit. + + @retval EFI_TIMEOUT The system memory setting is time out. + @retval EFI_SUCCESS The system memory is correct set. + @retval Others The operation fails. + +**/ +EFI_STATUS +UfsWaitMemSet ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN UINTN Offset, + IN UINT32 MaskValue, + IN UINT32 TestValue, + IN UINT64 Timeout + ) +{ + UINT32 Value; + UINT64 Delay; + BOOLEAN InfiniteWait; + EFI_STATUS Status; + + if (Timeout == 0) { + InfiniteWait = TRUE; + } else { + InfiniteWait = FALSE; + } + + Delay = DivU64x32 (Timeout, 10) + 1; + + do { + // + // Access PCI MMIO space to see if the value is the tested one. + // + Status = UfsMmioRead32 (Private, Offset, &Value); + if (EFI_ERROR (Status)) { + return Status; + } + + Value &= MaskValue; + + if (Value == TestValue) { + return EFI_SUCCESS; + } + + // + // Stall for 1 microseconds. + // + MicroSecondDelay (1); + + Delay--; + + } while (InfiniteWait || (Delay > 0)); + + return EFI_TIMEOUT; +} + +/** + Dump UIC command execution result for debugging. + + @param[in] UicOpcode The executed UIC opcode. + @param[in] Result The result to be parsed. + +**/ +VOID +DumpUicCmdExecResult ( + IN UINT8 UicOpcode, + IN UINT8 Result + ) +{ + if (UicOpcode <= UfsUicDmePeerSet) { + switch (Result) { + case 0x00: + break; + case 0x01: + DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - INVALID_MIB_ATTRIBUTE\n")); + break; + case 0x02: + DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - INVALID_MIB_ATTRIBUTE_VALUE\n")); + break; + case 0x03: + DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - READ_ONLY_MIB_ATTRIBUTE\n")); + break; + case 0x04: + DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - WRITE_ONLY_MIB_ATTRIBUTE\n")); + break; + case 0x05: + DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - BAD_INDEX\n")); + break; + case 0x06: + DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - LOCKED_MIB_ATTRIBUTE\n")); + break; + case 0x07: + DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - BAD_TEST_FEATURE_INDEX\n")); + break; + case 0x08: + DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - PEER_COMMUNICATION_FAILURE\n")); + break; + case 0x09: + DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - BUSY\n")); + break; + case 0x0A: + DEBUG ((DEBUG_VERBOSE, "UIC configuration command fails - DME_FAILURE\n")); + break; + default : + ASSERT (FALSE); + break; + } + } else { + switch (Result) { + case 0x00: + break; + case 0x01: + DEBUG ((DEBUG_VERBOSE, "UIC control command fails - FAILURE\n")); + break; + default : + ASSERT (FALSE); + break; + } + } +} + +/** + Dump QUERY RESPONSE UPIU result for debugging. + + @param[in] Result The result to be parsed. + +**/ +VOID +DumpQueryResponseResult ( + IN UINT8 Result + ) +{ + switch (Result) { + case 0xF6: + DEBUG ((DEBUG_VERBOSE, "Query Response with Parameter Not Readable\n")); + break; + case 0xF7: + DEBUG ((DEBUG_VERBOSE, "Query Response with Parameter Not Writeable\n")); + break; + case 0xF8: + DEBUG ((DEBUG_VERBOSE, "Query Response with Parameter Already Written\n")); + break; + case 0xF9: + DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Length\n")); + break; + case 0xFA: + DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Value\n")); + break; + case 0xFB: + DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Selector\n")); + break; + case 0xFC: + DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Index\n")); + break; + case 0xFD: + DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Idn\n")); + break; + case 0xFE: + DEBUG ((DEBUG_VERBOSE, "Query Response with Invalid Opcode\n")); + break; + case 0xFF: + DEBUG ((DEBUG_VERBOSE, "Query Response with General Failure\n")); + break; + default : + ASSERT (FALSE); + break; + } +} + +/** + Swap little endian to big endian. + + @param[in, out] Buffer The data buffer. In input, it contains little endian data. + In output, it will become big endian. + @param[in] BufferSize The length of converted data. + +**/ +VOID +SwapLittleEndianToBigEndian ( + IN OUT UINT8 *Buffer, + IN UINT32 BufferSize + ) +{ + UINT32 Index; + UINT8 Temp; + UINT32 SwapCount; + + SwapCount = BufferSize / 2; + for (Index = 0; Index < SwapCount; Index++) { + Temp = Buffer[Index]; + Buffer[Index] = Buffer[BufferSize - 1 - Index]; + Buffer[BufferSize - 1 - Index] = Temp; + } +} + +/** + Fill TSF field of QUERY REQUEST UPIU. + + @param[in, out] TsfBase The base address of TSF field of QUERY REQUEST UPIU. + @param[in] Opcode The opcode of request. + @param[in] DescId The descriptor ID of request. + @param[in] Index The index of request. + @param[in] Selector The selector of request. + @param[in] Length The length of transferred data. The maximum is 4. + @param[in] Value The value of transferred data. + +**/ +VOID +UfsFillTsfOfQueryReqUpiu ( + IN OUT UTP_UPIU_TSF *TsfBase, + IN UINT8 Opcode, + IN UINT8 DescId OPTIONAL, + IN UINT8 Index OPTIONAL, + IN UINT8 Selector OPTIONAL, + IN UINT16 Length OPTIONAL, + IN UINT32 Value OPTIONAL + ) +{ + ASSERT (TsfBase != NULL); + ASSERT (Opcode <= UtpQueryFuncOpcodeTogFlag); + + TsfBase->Opcode = Opcode; + if (Opcode != UtpQueryFuncOpcodeNop) { + TsfBase->DescId = DescId; + TsfBase->Index = Index; + TsfBase->Selector = Selector; + + if ((Opcode == UtpQueryFuncOpcodeRdDesc) || (Opcode == UtpQueryFuncOpcodeWrDesc)) { + SwapLittleEndianToBigEndian ((UINT8*)&Length, sizeof (Length)); + TsfBase->Length = Length; + } + + if (Opcode == UtpQueryFuncOpcodeWrAttr) { + SwapLittleEndianToBigEndian ((UINT8*)&Value, sizeof (Value)); + TsfBase->Value = Value; + } + } +} + +/** + Initialize COMMAND UPIU. + + @param[in, out] Command The base address of COMMAND UPIU. + @param[in] Lun The Lun on which the SCSI command is executed. + @param[in] TaskTag The task tag of request. + @param[in] Cdb The cdb buffer containing SCSI command. + @param[in] CdbLength The cdb length. + @param[in] DataDirection The direction of data transfer. + @param[in] ExpDataTranLen The expected transfer data length. + + @retval EFI_SUCCESS The initialization succeed. + +**/ +EFI_STATUS +UfsInitCommandUpiu ( + IN OUT UTP_COMMAND_UPIU *Command, + IN UINT8 Lun, + IN UINT8 TaskTag, + IN UINT8 *Cdb, + IN UINT8 CdbLength, + IN UFS_DATA_DIRECTION DataDirection, + IN UINT32 ExpDataTranLen + ) +{ + UINT8 Flags; + + ASSERT ((Command != NULL) && (Cdb != NULL)); + + // + // Task attribute is hard-coded to Ordered. + // + if (DataDirection == UfsDataIn) { + Flags = BIT0 | BIT6; + } else if (DataDirection == UfsDataOut) { + Flags = BIT0 | BIT5; + } else { + Flags = BIT0; + } + + // + // Fill UTP COMMAND UPIU associated fields. + // + Command->TransCode = 0x01; + Command->Flags = Flags; + Command->Lun = Lun; + Command->TaskTag = TaskTag; + Command->CmdSet = 0x00; + SwapLittleEndianToBigEndian ((UINT8*)&ExpDataTranLen, sizeof (ExpDataTranLen)); + Command->ExpDataTranLen = ExpDataTranLen; + + CopyMem (Command->Cdb, Cdb, CdbLength); + + return EFI_SUCCESS; +} + +/** + Initialize UTP PRDT for data transfer. + + @param[in] Prdt The base address of PRDT. + @param[in] Buffer The buffer to be read or written. + @param[in] BufferSize The data size to be read or written. + + @retval EFI_SUCCESS The initialization succeed. + +**/ +EFI_STATUS +UfsInitUtpPrdt ( + IN UTP_TR_PRD *Prdt, + IN VOID *Buffer, + IN UINT32 BufferSize + ) +{ + UINT32 PrdtIndex; + UINT32 RemainingLen; + UINT8 *Remaining; + UINTN PrdtNumber; + + ASSERT (((UINTN)Buffer & (BIT0 | BIT1)) == 0); + ASSERT ((BufferSize & (BIT1 | BIT0)) == 0); + + if (BufferSize == 0) { + return EFI_SUCCESS; + } + + RemainingLen = BufferSize; + Remaining = Buffer; + PrdtNumber = (UINTN)DivU64x32 ((UINT64)BufferSize + UFS_MAX_DATA_LEN_PER_PRD - 1, UFS_MAX_DATA_LEN_PER_PRD); + + for (PrdtIndex = 0; PrdtIndex < PrdtNumber; PrdtIndex++) { + if (RemainingLen < UFS_MAX_DATA_LEN_PER_PRD) { + Prdt[PrdtIndex].DbCount = (UINT32)RemainingLen - 1; + } else { + Prdt[PrdtIndex].DbCount = UFS_MAX_DATA_LEN_PER_PRD - 1; + } + + Prdt[PrdtIndex].DbAddr = (UINT32)RShiftU64 ((UINT64)(UINTN)Remaining, 2); + Prdt[PrdtIndex].DbAddrU = (UINT32)RShiftU64 ((UINT64)(UINTN)Remaining, 32); + RemainingLen -= UFS_MAX_DATA_LEN_PER_PRD; + Remaining += UFS_MAX_DATA_LEN_PER_PRD; + } + + return EFI_SUCCESS; +} + +/** + Initialize QUERY REQUEST UPIU. + + @param[in, out] QueryReq The base address of QUERY REQUEST UPIU. + @param[in] TaskTag The task tag of request. + @param[in] Opcode The opcode of request. + @param[in] DescId The descriptor ID of request. + @param[in] Index The index of request. + @param[in] Selector The selector of request. + @param[in] DataSize The data size to be read or written. + @param[in] Data The buffer to be read or written. + + @retval EFI_SUCCESS The initialization succeed. + +**/ +EFI_STATUS +UfsInitQueryRequestUpiu ( + IN OUT UTP_QUERY_REQ_UPIU *QueryReq, + IN UINT8 TaskTag, + IN UINT8 Opcode, + IN UINT8 DescId, + IN UINT8 Index, + IN UINT8 Selector, + IN UINTN DataSize OPTIONAL, + IN UINT8 *Data OPTIONAL + ) +{ + ASSERT (QueryReq != NULL); + + QueryReq->TransCode = 0x16; + QueryReq->TaskTag = TaskTag; + if ((Opcode == UtpQueryFuncOpcodeRdDesc) || (Opcode == UtpQueryFuncOpcodeRdFlag) || (Opcode == UtpQueryFuncOpcodeRdAttr)) { + QueryReq->QueryFunc = QUERY_FUNC_STD_READ_REQ; + } else { + QueryReq->QueryFunc = QUERY_FUNC_STD_WRITE_REQ; + } + + if (Opcode == UtpQueryFuncOpcodeWrAttr) { + UfsFillTsfOfQueryReqUpiu (&QueryReq->Tsf, Opcode, DescId, Index, Selector, 0, *(UINT32*)Data); + } else if ((Opcode == UtpQueryFuncOpcodeRdDesc) || (Opcode == UtpQueryFuncOpcodeWrDesc)) { + UfsFillTsfOfQueryReqUpiu (&QueryReq->Tsf, Opcode, DescId, Index, Selector, (UINT16)DataSize, 0); + } else { + UfsFillTsfOfQueryReqUpiu (&QueryReq->Tsf, Opcode, DescId, Index, Selector, 0, 0); + } + + if (Opcode == UtpQueryFuncOpcodeWrDesc) { + CopyMem (QueryReq + 1, Data, DataSize); + + SwapLittleEndianToBigEndian ((UINT8*)&DataSize, sizeof (UINT16)); + QueryReq->DataSegLen = (UINT16)DataSize; + } + + return EFI_SUCCESS; +} + +/** + Allocate COMMAND/RESPONSE UPIU for filling UTP TRD's command descriptor field. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[in] Lun The Lun on which the SCSI command is executed. + @param[in] Packet The pointer to the EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET data structure. + @param[in] Trd The pointer to the UTP Transfer Request Descriptor. + @param[out] CmdDescHost A pointer to store the base system memory address of the allocated range. + @param[out] CmdDescMapping A resulting value to pass to Unmap(). + + @retval EFI_SUCCESS The creation succeed. + @retval EFI_DEVICE_ERROR The creation failed. + @retval EFI_OUT_OF_RESOURCES The memory resource is insufficient. + +**/ +EFI_STATUS +UfsCreateScsiCommandDesc ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN UINT8 Lun, + IN EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet, + IN UTP_TRD *Trd, + OUT VOID **CmdDescHost, + OUT VOID **CmdDescMapping + ) +{ + UINTN TotalLen; + UINTN PrdtNumber; + UTP_COMMAND_UPIU *CommandUpiu; + EFI_PHYSICAL_ADDRESS CmdDescPhyAddr; + EFI_STATUS Status; + UINT32 DataLen; + UFS_DATA_DIRECTION DataDirection; + + ASSERT ((Private != NULL) && (Packet != NULL) && (Trd != NULL)); + + if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) { + DataLen = Packet->InTransferLength; + DataDirection = UfsDataIn; + } else { + DataLen = Packet->OutTransferLength; + DataDirection = UfsDataOut; + } + + if (DataLen == 0) { + DataDirection = UfsNoData; + } + + PrdtNumber = (UINTN)DivU64x32 ((UINT64)DataLen + UFS_MAX_DATA_LEN_PER_PRD - 1, UFS_MAX_DATA_LEN_PER_PRD); + + TotalLen = ROUNDUP8 (sizeof (UTP_COMMAND_UPIU)) + ROUNDUP8 (sizeof (UTP_RESPONSE_UPIU)) + PrdtNumber * sizeof (UTP_TR_PRD); + + Status = UfsAllocateAlignCommonBuffer (Private, TotalLen, CmdDescHost, &CmdDescPhyAddr, CmdDescMapping); + if (EFI_ERROR (Status)) { + return Status; + } + + CommandUpiu = (UTP_COMMAND_UPIU*)*CmdDescHost; + + UfsInitCommandUpiu (CommandUpiu, Lun, Private->TaskTag++, Packet->Cdb, Packet->CdbLength, DataDirection, DataLen); + + // + // Fill UTP_TRD associated fields + // NOTE: Some UFS host controllers request the Response UPIU and the Physical Region Description Table + // *MUST* be located at a 64-bit aligned boundary. + // + Trd->Int = UFS_INTERRUPT_COMMAND; + Trd->Dd = DataDirection; + Trd->Ct = UFS_STORAGE_COMMAND_TYPE; + Trd->Ocs = UFS_HC_TRD_OCS_INIT_VALUE; + Trd->UcdBa = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 7); + Trd->UcdBaU = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32); + Trd->RuL = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_RESPONSE_UPIU)), sizeof (UINT32)); + Trd->RuO = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_COMMAND_UPIU)), sizeof (UINT32)); + Trd->PrdtL = (UINT16)PrdtNumber; + Trd->PrdtO = (UINT16)DivU64x32 ((UINT64)(ROUNDUP8 (sizeof (UTP_COMMAND_UPIU)) + ROUNDUP8 (sizeof (UTP_RESPONSE_UPIU))), sizeof (UINT32)); + return EFI_SUCCESS; +} + +/** + Allocate QUERY REQUEST/QUERY RESPONSE UPIU for filling UTP TRD's command descriptor field. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[in] Packet The pointer to the UFS_DEVICE_MANAGEMENT_REQUEST_PACKET data structure. + @param[in] Trd The pointer to the UTP Transfer Request Descriptor. + @param[out] CmdDescHost A pointer to store the base system memory address of the allocated range. + @param[out] CmdDescMapping A resulting value to pass to Unmap(). + + @retval EFI_SUCCESS The creation succeed. + @retval EFI_DEVICE_ERROR The creation failed. + @retval EFI_OUT_OF_RESOURCES The memory resource is insufficient. + @retval EFI_INVALID_PARAMETER The parameter passed in is invalid. + +**/ +EFI_STATUS +UfsCreateDMCommandDesc ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN UFS_DEVICE_MANAGEMENT_REQUEST_PACKET *Packet, + IN UTP_TRD *Trd, + OUT VOID **CmdDescHost, + OUT VOID **CmdDescMapping + ) +{ + UINTN TotalLen; + UTP_QUERY_REQ_UPIU *QueryReqUpiu; + UINT8 Opcode; + UINT32 DataSize; + UINT8 *Data; + UINT8 DataDirection; + EFI_PHYSICAL_ADDRESS CmdDescPhyAddr; + EFI_STATUS Status; + + ASSERT ((Private != NULL) && (Packet != NULL) && (Trd != NULL)); + + Opcode = Packet->Opcode; + if ((Opcode > UtpQueryFuncOpcodeTogFlag) || (Opcode == UtpQueryFuncOpcodeNop)) { + return EFI_INVALID_PARAMETER; + } + + DataDirection = Packet->DataDirection; + DataSize = Packet->TransferLength; + Data = Packet->DataBuffer; + + if ((Opcode == UtpQueryFuncOpcodeWrDesc) || (Opcode == UtpQueryFuncOpcodeRdDesc)) { + if (DataSize == 0 || Data == NULL) { + return EFI_INVALID_PARAMETER; + } + TotalLen = ROUNDUP8 (sizeof (UTP_QUERY_REQ_UPIU)) + ROUNDUP8 (sizeof (UTP_QUERY_RESP_UPIU)) + ROUNDUP8 (DataSize); + } else { + TotalLen = ROUNDUP8 (sizeof (UTP_QUERY_REQ_UPIU)) + ROUNDUP8 (sizeof (UTP_QUERY_RESP_UPIU)); + } + + Status = UfsAllocateAlignCommonBuffer (Private, TotalLen, CmdDescHost, &CmdDescPhyAddr, CmdDescMapping); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // Initialize UTP QUERY REQUEST UPIU + // + QueryReqUpiu = (UTP_QUERY_REQ_UPIU*)*CmdDescHost; + ASSERT (QueryReqUpiu != NULL); + UfsInitQueryRequestUpiu ( + QueryReqUpiu, + Private->TaskTag++, + Opcode, + Packet->DescId, + Packet->Index, + Packet->Selector, + DataSize, + Data + ); + + // + // Fill UTP_TRD associated fields + // NOTE: Some UFS host controllers request the Query Response UPIU *MUST* be located at a 64-bit aligned boundary. + // + Trd->Int = UFS_INTERRUPT_COMMAND; + Trd->Dd = DataDirection; + Trd->Ct = UFS_STORAGE_COMMAND_TYPE; + Trd->Ocs = UFS_HC_TRD_OCS_INIT_VALUE; + Trd->UcdBa = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 7); + Trd->UcdBaU = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32); + if (Opcode == UtpQueryFuncOpcodeWrDesc) { + Trd->RuL = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_QUERY_RESP_UPIU)), sizeof (UINT32)); + Trd->RuO = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_QUERY_REQ_UPIU)) + ROUNDUP8 (DataSize), sizeof (UINT32)); + } else { + Trd->RuL = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_QUERY_RESP_UPIU)) + ROUNDUP8 (DataSize), sizeof (UINT32)); + Trd->RuO = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_QUERY_REQ_UPIU)), sizeof (UINT32)); + } + + return EFI_SUCCESS; +} + +/** + Allocate NOP IN and NOP OUT UPIU for filling UTP TRD's command descriptor field. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[in] Trd The pointer to the UTP Transfer Request Descriptor. + @param[out] CmdDescHost A pointer to store the base system memory address of the allocated range. + @param[out] CmdDescMapping A resulting value to pass to Unmap(). + + @retval EFI_SUCCESS The creation succeed. + @retval EFI_DEVICE_ERROR The creation failed. + @retval EFI_OUT_OF_RESOURCES The memory resource is insufficient. + +**/ +EFI_STATUS +UfsCreateNopCommandDesc ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN UTP_TRD *Trd, + OUT VOID **CmdDescHost, + OUT VOID **CmdDescMapping + ) +{ + UINTN TotalLen; + UTP_NOP_OUT_UPIU *NopOutUpiu; + EFI_STATUS Status; + EFI_PHYSICAL_ADDRESS CmdDescPhyAddr; + + ASSERT ((Private != NULL) && (Trd != NULL)); + + TotalLen = ROUNDUP8 (sizeof (UTP_NOP_OUT_UPIU)) + ROUNDUP8 (sizeof (UTP_NOP_IN_UPIU)); + Status = UfsAllocateAlignCommonBuffer (Private, TotalLen, CmdDescHost, &CmdDescPhyAddr, CmdDescMapping); + if (EFI_ERROR (Status)) { + return Status; + } + + NopOutUpiu = (UTP_NOP_OUT_UPIU*)*CmdDescHost; + ASSERT (NopOutUpiu != NULL); + NopOutUpiu->TaskTag = Private->TaskTag++; + + // + // Fill UTP_TRD associated fields + // NOTE: Some UFS host controllers request the Nop Out UPIU *MUST* be located at a 64-bit aligned boundary. + // + Trd->Int = UFS_INTERRUPT_COMMAND; + Trd->Dd = 0x00; + Trd->Ct = UFS_STORAGE_COMMAND_TYPE; + Trd->Ocs = UFS_HC_TRD_OCS_INIT_VALUE; + Trd->UcdBa = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 7); + Trd->UcdBaU = (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32); + Trd->RuL = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_NOP_IN_UPIU)), sizeof (UINT32)); + Trd->RuO = (UINT16)DivU64x32 ((UINT64)ROUNDUP8 (sizeof (UTP_NOP_OUT_UPIU)), sizeof (UINT32)); + + return EFI_SUCCESS; +} + +/** + Find out available slot in transfer list of a UFS device. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[out] Slot The available slot. + + @retval EFI_SUCCESS The available slot was found successfully. + @retval EFI_NOT_READY No slot is available at this moment. + +**/ +EFI_STATUS +UfsFindAvailableSlotInTrl ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + OUT UINT8 *Slot + ) +{ + UINT8 Nutrs; + UINT8 Index; + UINT32 Data; + EFI_STATUS Status; + + ASSERT ((Private != NULL) && (Slot != NULL)); + + Status = UfsMmioRead32 (Private, UFS_HC_UTRLDBR_OFFSET, &Data); + if (EFI_ERROR (Status)) { + return Status; + } + + Nutrs = (UINT8)((Private->UfsHcInfo.Capabilities & UFS_HC_CAP_NUTRS) + 1); + + for (Index = 0; Index < Nutrs; Index++) { + if ((Data & (BIT0 << Index)) == 0) { + *Slot = Index; + return EFI_SUCCESS; + } + } + + return EFI_NOT_READY; +} + + +/** + Start specified slot in transfer list of a UFS device. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[in] Slot The slot to be started. + +**/ +EFI_STATUS +UfsStartExecCmd ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN UINT8 Slot + ) +{ + UINT32 Data; + EFI_STATUS Status; + + Status = UfsMmioRead32 (Private, UFS_HC_UTRLRSR_OFFSET, &Data); + if (EFI_ERROR (Status)) { + return Status; + } + + if ((Data & UFS_HC_UTRLRSR) != UFS_HC_UTRLRSR) { + Status = UfsMmioWrite32 (Private, UFS_HC_UTRLRSR_OFFSET, UFS_HC_UTRLRSR); + if (EFI_ERROR (Status)) { + return Status; + } + } + + Status = UfsMmioWrite32 (Private, UFS_HC_UTRLDBR_OFFSET, BIT0 << Slot); + if (EFI_ERROR (Status)) { + return Status; + } + + return EFI_SUCCESS; +} + +/** + Stop specified slot in transfer list of a UFS device. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[in] Slot The slot to be stop. + +**/ +EFI_STATUS +UfsStopExecCmd ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN UINT8 Slot + ) +{ + UINT32 Data; + EFI_STATUS Status; + + Status = UfsMmioRead32 (Private, UFS_HC_UTRLDBR_OFFSET, &Data); + if (EFI_ERROR (Status)) { + return Status; + } + + if ((Data & (BIT0 << Slot)) != 0) { + Status = UfsMmioRead32 (Private, UFS_HC_UTRLCLR_OFFSET, &Data); + if (EFI_ERROR (Status)) { + return Status; + } + + Status = UfsMmioWrite32 (Private, UFS_HC_UTRLCLR_OFFSET, Data & ~(BIT0 << Slot)); + if (EFI_ERROR (Status)) { + return Status; + } + } + + return EFI_SUCCESS; +} + +/** + Extracts return data from query response upiu. + + @param[in] Packet Pointer to the UFS_DEVICE_MANAGEMENT_REQUEST_PACKET. + @param[in] QueryResp Pointer to the query response. + + @retval EFI_INVALID_PARAMETER Packet or QueryResp are empty or opcode is invalid. + @retval EFI_DEVICE_ERROR Data returned from device is invalid. + @retval EFI_SUCCESS Data extracted. + +**/ +EFI_STATUS +UfsGetReturnDataFromQueryResponse ( + IN UFS_DEVICE_MANAGEMENT_REQUEST_PACKET *Packet, + IN UTP_QUERY_RESP_UPIU *QueryResp + ) +{ + UINT16 ReturnDataSize; + UINT32 ReturnData; + + if (Packet == NULL || QueryResp == NULL) { + return EFI_INVALID_PARAMETER; + } + + switch (Packet->Opcode) { + case UtpQueryFuncOpcodeRdDesc: + ReturnDataSize = QueryResp->Tsf.Length; + SwapLittleEndianToBigEndian ((UINT8*)&ReturnDataSize, sizeof (UINT16)); + // + // Make sure the hardware device does not return more data than expected. + // + if (ReturnDataSize > Packet->TransferLength) { + return EFI_DEVICE_ERROR; + } + + CopyMem (Packet->DataBuffer, (QueryResp + 1), ReturnDataSize); + Packet->TransferLength = ReturnDataSize; + break; + case UtpQueryFuncOpcodeWrDesc: + ReturnDataSize = QueryResp->Tsf.Length; + SwapLittleEndianToBigEndian ((UINT8*)&ReturnDataSize, sizeof (UINT16)); + Packet->TransferLength = ReturnDataSize; + break; + case UtpQueryFuncOpcodeRdFlag: + case UtpQueryFuncOpcodeSetFlag: + case UtpQueryFuncOpcodeClrFlag: + case UtpQueryFuncOpcodeTogFlag: + // + // The 'FLAG VALUE' field is at byte offset 3 of QueryResp->Tsf.Value + // + *((UINT8*)(Packet->DataBuffer)) = *((UINT8*)&(QueryResp->Tsf.Value) + 3); + break; + case UtpQueryFuncOpcodeRdAttr: + case UtpQueryFuncOpcodeWrAttr: + ReturnData = QueryResp->Tsf.Value; + SwapLittleEndianToBigEndian ((UINT8*) &ReturnData, sizeof (UINT32)); + CopyMem (Packet->DataBuffer, &ReturnData, sizeof (UINT32)); + break; + default: + return EFI_INVALID_PARAMETER; + } + + return EFI_SUCCESS; +} + +/** + Creates Transfer Request descriptor and sends Query Request to the device. + + @param[in] Private Pointer to the UFS_PASS_THRU_PRIVATE_DATA. + @param[in] Packet Pointer to the UFS_DEVICE_MANAGEMENT_REQUEST_PACKET. + + @retval EFI_SUCCESS The device descriptor was read/written successfully. + @retval EFI_INVALID_PARAMETER The DescId, Index and Selector fields in Packet are invalid + combination to point to a type of UFS device descriptor. + @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 +UfsSendDmRequestRetry ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN UFS_DEVICE_MANAGEMENT_REQUEST_PACKET *Packet + ) +{ + UINT8 Slot; + UTP_TRD *Trd; + VOID *CmdDescHost; + VOID *CmdDescMapping; + UINT32 CmdDescSize; + EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc; + UTP_QUERY_RESP_UPIU *QueryResp; + EFI_STATUS Status; + + // + // Find out which slot of transfer request list is available. + // + Status = UfsFindAvailableSlotInTrl (Private, &Slot); + if (EFI_ERROR (Status)) { + return Status; + } + + Trd = ((UTP_TRD*)Private->UtpTrlBase) + Slot; + // + // Fill transfer request descriptor to this slot. + // + Status = UfsCreateDMCommandDesc (Private, Packet, Trd, &CmdDescHost, &CmdDescMapping); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Failed to create DM command descriptor\n")); + return Status; + } + + UfsHc = Private->UfsHostController; + QueryResp = (UTP_QUERY_RESP_UPIU*)((UINT8*)CmdDescHost + Trd->RuO * sizeof (UINT32)); + ASSERT (QueryResp != NULL); + CmdDescSize = Trd->RuO * sizeof (UINT32) + Trd->RuL * sizeof (UINT32); + + // + // Start to execute the transfer request. + // + UfsStartExecCmd (Private, Slot); + + // + // Wait for the completion of the transfer request. + // + Status = UfsWaitMemSet (Private, UFS_HC_UTRLDBR_OFFSET, BIT0, 0, Packet->Timeout); + if (EFI_ERROR (Status)) { + goto Exit; + } + + if (Trd->Ocs != 0 || QueryResp->QueryResp != UfsUtpQueryResponseSuccess) { + DEBUG ((DEBUG_ERROR, "Failed to send query request, OCS = %X, QueryResp = %X\n", Trd->Ocs, QueryResp->QueryResp)); + DumpQueryResponseResult (QueryResp->QueryResp); + + if ((QueryResp->QueryResp == UfsUtpQueryResponseInvalidSelector) || + (QueryResp->QueryResp == UfsUtpQueryResponseInvalidIndex) || + (QueryResp->QueryResp == UfsUtpQueryResponseInvalidIdn)) { + Status = EFI_INVALID_PARAMETER; + } else { + Status = EFI_DEVICE_ERROR; + } + goto Exit; + } + + Status = UfsGetReturnDataFromQueryResponse (Packet, QueryResp); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Failed to get return data from query response\n")); + goto Exit; + } + +Exit: + UfsHc->Flush (UfsHc); + + UfsStopExecCmd (Private, Slot); + + if (CmdDescMapping != NULL) { + UfsHc->Unmap (UfsHc, CmdDescMapping); + } + if (CmdDescHost != NULL) { + UfsHc->FreeBuffer (UfsHc, EFI_SIZE_TO_PAGES (CmdDescSize), CmdDescHost); + } + + return Status; +} + +/** + Sends Query Request to the device. Query is sent until device responds correctly or counter runs out. + + @param[in] Private Pointer to the UFS_PASS_THRU_PRIVATE_DATA. + @param[in] Packet Pointer to the UFS_DEVICE_MANAGEMENT_PACKET. + + @retval EFI_SUCCESS The device responded correctly to the Query request. + @retval EFI_INVALID_PARAMETER The DescId, Index and Selector fields in Packet are invalid + combination to point to a type of UFS device descriptor. + @retval EFI_DEVICE_ERROR A device error occurred while waiting for the response from the device. + @retval EFI_TIMEOUT A timeout occurred while waiting for the completion of the operation. + +**/ +EFI_STATUS +UfsSendDmRequest ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN UFS_DEVICE_MANAGEMENT_REQUEST_PACKET *Packet + ) +{ + EFI_STATUS Status; + UINT8 Retry; + + Status = EFI_SUCCESS; + + for (Retry = 0; Retry < 5; Retry ++) { + Status = UfsSendDmRequestRetry (Private, Packet); + if (!EFI_ERROR (Status)) { + return EFI_SUCCESS; + } + } + + DEBUG ((DEBUG_ERROR, "Failed to get response from the device after %d retries\n", Retry)); + return Status; +} + +/** + 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_INVALID_PARAMETER DescId, Index and Selector are invalid combination to point to a + type of UFS device descriptor. + @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 + ) +{ + UFS_DEVICE_MANAGEMENT_REQUEST_PACKET Packet; + EFI_STATUS Status; + + if (DescSize == NULL) { + return EFI_INVALID_PARAMETER; + } + + ZeroMem (&Packet, sizeof (UFS_DEVICE_MANAGEMENT_REQUEST_PACKET)); + + if (Read) { + Packet.DataDirection = UfsDataIn; + Packet.Opcode = UtpQueryFuncOpcodeRdDesc; + } else { + Packet.DataDirection = UfsDataOut; + Packet.Opcode = UtpQueryFuncOpcodeWrDesc; + } + Packet.DataBuffer = Descriptor; + Packet.TransferLength = *DescSize; + Packet.DescId = DescId; + Packet.Index = Index; + Packet.Selector = Selector; + Packet.Timeout = UFS_TIMEOUT; + + Status = UfsSendDmRequest (Private, &Packet); + if (EFI_ERROR (Status)) { + *DescSize = 0; + } else { + *DescSize = Packet.TransferLength; + } + + return Status; +} + +/** + 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_INVALID_PARAMETER AttrId, Index and Selector are invalid combination to point to a + type of UFS device descriptor. + @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 + ) +{ + UFS_DEVICE_MANAGEMENT_REQUEST_PACKET Packet; + + ZeroMem (&Packet, sizeof (UFS_DEVICE_MANAGEMENT_REQUEST_PACKET)); + + if (Read) { + Packet.DataDirection = UfsDataIn; + Packet.Opcode = UtpQueryFuncOpcodeRdAttr; + } else { + Packet.DataDirection = UfsDataOut; + Packet.Opcode = UtpQueryFuncOpcodeWrAttr; + } + Packet.DataBuffer = Attributes; + Packet.DescId = AttrId; + Packet.Index = Index; + Packet.Selector = Selector; + Packet.Timeout = UFS_TIMEOUT; + + return UfsSendDmRequest (Private, &Packet); +} + +/** + 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_INVALID_PARAMETER FlagId is an invalid UFS flag ID. + @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 + ) +{ + UFS_DEVICE_MANAGEMENT_REQUEST_PACKET Packet; + + if (Value == NULL) { + return EFI_INVALID_PARAMETER; + } + + ZeroMem (&Packet, sizeof (UFS_DEVICE_MANAGEMENT_REQUEST_PACKET)); + + if (Read) { + ASSERT (Value != NULL); + Packet.DataDirection = UfsDataIn; + Packet.Opcode = UtpQueryFuncOpcodeRdFlag; + } else { + Packet.DataDirection = UfsDataOut; + if (*Value == 1) { + Packet.Opcode = UtpQueryFuncOpcodeSetFlag; + } else if (*Value == 0) { + Packet.Opcode = UtpQueryFuncOpcodeClrFlag; + } else { + return EFI_INVALID_PARAMETER; + } + } + Packet.DataBuffer = Value; + Packet.DescId = FlagId; + Packet.Index = 0; + Packet.Selector = 0; + Packet.Timeout = UFS_TIMEOUT; + + return UfsSendDmRequest (Private, &Packet); +} + +/** + 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 + ) +{ + EFI_STATUS Status; + UINT8 Value; + + Value = 1; + Status = UfsRwFlags (Private, FALSE, FlagId, &Value); + + return Status; +} + +/** + 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 + ) +{ + EFI_STATUS Status; + + Status = UfsRwFlags (Private, TRUE, FlagId, Value); + + return Status; +} + +/** + 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 + ) +{ + EFI_STATUS Status; + UINT8 Slot; + UTP_TRD *Trd; + UTP_NOP_IN_UPIU *NopInUpiu; + UINT32 CmdDescSize; + VOID *CmdDescHost; + VOID *CmdDescMapping; + EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc; + + // + // Find out which slot of transfer request list is available. + // + Status = UfsFindAvailableSlotInTrl (Private, &Slot); + if (EFI_ERROR (Status)) { + return Status; + } + + Trd = ((UTP_TRD*)Private->UtpTrlBase) + Slot; + Status = UfsCreateNopCommandDesc (Private, Trd, &CmdDescHost, &CmdDescMapping); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // Check the transfer request result. + // + UfsHc = Private->UfsHostController; + NopInUpiu = (UTP_NOP_IN_UPIU*)((UINT8*)CmdDescHost + Trd->RuO * sizeof (UINT32)); + ASSERT (NopInUpiu != NULL); + CmdDescSize = Trd->RuO * sizeof (UINT32) + Trd->RuL * sizeof (UINT32); + + // + // Start to execute the transfer request. + // + UfsStartExecCmd (Private, Slot); + + // + // Wait for the completion of the transfer request. + // + Status = UfsWaitMemSet (Private, UFS_HC_UTRLDBR_OFFSET, BIT0 << Slot, 0, UFS_TIMEOUT); + if (EFI_ERROR (Status)) { + goto Exit; + } + + if (NopInUpiu->Resp != 0) { + Status = EFI_DEVICE_ERROR; + } else { + Status = EFI_SUCCESS; + } + +Exit: + UfsHc->Flush (UfsHc); + + UfsStopExecCmd (Private, Slot); + + if (CmdDescMapping != NULL) { + UfsHc->Unmap (UfsHc, CmdDescMapping); + } + if (CmdDescHost != NULL) { + UfsHc->FreeBuffer (UfsHc, EFI_SIZE_TO_PAGES (CmdDescSize), CmdDescHost); + } + + return Status; +} + +/** + Cleanup data buffers after data transfer. This function + also takes care to copy all data to user memory pool for + unaligned data transfers. + + @param[in] Private Pointer to the UFS_PASS_THRU_PRIVATE_DATA + @param[in] TransReq Pointer to the transfer request +**/ +VOID +UfsReconcileDataTransferBuffer ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN UFS_PASS_THRU_TRANS_REQ *TransReq + ) +{ + if (TransReq->DataBufMapping != NULL) { + Private->UfsHostController->Unmap ( + Private->UfsHostController, + TransReq->DataBufMapping + ); + } + + // + // Check if unaligned transfer was performed. If it was and we read + // data from device copy memory to user data buffers before cleanup. + // The assumption is if auxiliary aligned data buffer is not NULL then + // unaligned transfer has been performed. + // + if (TransReq->AlignedDataBuf != NULL) { + if (TransReq->Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) { + CopyMem (TransReq->Packet->InDataBuffer, TransReq->AlignedDataBuf, TransReq->Packet->InTransferLength); + } + // + // Wipe out the transfer buffer in case it contains sensitive data. + // + ZeroMem (TransReq->AlignedDataBuf, TransReq->AlignedDataBufSize); + FreeAlignedPages (TransReq->AlignedDataBuf, EFI_SIZE_TO_PAGES (TransReq->AlignedDataBufSize)); + TransReq->AlignedDataBuf = NULL; + } +} + +/** + Prepare data buffer for transfer. + + @param[in] Private Pointer to the UFS_PASS_THRU_PRIVATE_DATA + @param[in, out] TransReq Pointer to the transfer request + + @retval EFI_DEVICE_ERROR Failed to prepare buffer for transfer + @retval EFI_SUCCESS Buffer ready for transfer +**/ +EFI_STATUS +UfsPrepareDataTransferBuffer ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN OUT UFS_PASS_THRU_TRANS_REQ *TransReq + ) +{ + EFI_STATUS Status; + VOID *DataBuf; + UINT32 DataLen; + UINTN MapLength; + EFI_PHYSICAL_ADDRESS DataBufPhyAddr; + EDKII_UFS_HOST_CONTROLLER_OPERATION Flag; + UTP_TR_PRD *PrdtBase; + + DataBufPhyAddr = 0; + DataBuf = NULL; + + // + // For unaligned data transfers we allocate auxiliary DWORD aligned memory pool. + // When command is finished auxiliary memory pool is copied into actual user memory. + // This is requiered to assure data transfer safety(DWORD alignment required by UFS spec.) + // + if (TransReq->Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) { + if (((UINTN)TransReq->Packet->InDataBuffer % 4 != 0) || (TransReq->Packet->InTransferLength % 4 != 0)) { + DataLen = TransReq->Packet->InTransferLength + (4 - (TransReq->Packet->InTransferLength % 4)); + DataBuf = AllocateAlignedPages (EFI_SIZE_TO_PAGES (DataLen), 4); + if (DataBuf == NULL) { + return EFI_DEVICE_ERROR; + } + ZeroMem (DataBuf, DataLen); + TransReq->AlignedDataBuf = DataBuf; + TransReq->AlignedDataBufSize = DataLen; + } else { + DataLen = TransReq->Packet->InTransferLength; + DataBuf = TransReq->Packet->InDataBuffer; + } + Flag = EdkiiUfsHcOperationBusMasterWrite; + } else { + if (((UINTN)TransReq->Packet->OutDataBuffer % 4 != 0) || (TransReq->Packet->OutTransferLength % 4 != 0)) { + DataLen = TransReq->Packet->OutTransferLength + (4 - (TransReq->Packet->OutTransferLength % 4)); + DataBuf = AllocateAlignedPages (EFI_SIZE_TO_PAGES (DataLen), 4); + if (DataBuf == NULL) { + return EFI_DEVICE_ERROR; + } + CopyMem (DataBuf, TransReq->Packet->OutDataBuffer, TransReq->Packet->OutTransferLength); + TransReq->AlignedDataBuf = DataBuf; + TransReq->AlignedDataBufSize = DataLen; + } else { + DataLen = TransReq->Packet->OutTransferLength; + DataBuf = TransReq->Packet->OutDataBuffer; + } + Flag = EdkiiUfsHcOperationBusMasterRead; + } + + if (DataLen != 0) { + MapLength = DataLen; + Status = Private->UfsHostController->Map ( + Private->UfsHostController, + Flag, + DataBuf, + &MapLength, + &DataBufPhyAddr, + &TransReq->DataBufMapping + ); + + if (EFI_ERROR (Status) || (DataLen != MapLength)) { + if (TransReq->AlignedDataBuf != NULL) { + // + // Wipe out the transfer buffer in case it contains sensitive data. + // + ZeroMem (TransReq->AlignedDataBuf, TransReq->AlignedDataBufSize); + FreeAlignedPages (TransReq->AlignedDataBuf, EFI_SIZE_TO_PAGES (TransReq->AlignedDataBufSize)); + TransReq->AlignedDataBuf = NULL; + } + return EFI_DEVICE_ERROR; + } + } + + // + // Fill PRDT table of Command UPIU for executed SCSI cmd. + // + PrdtBase = (UTP_TR_PRD*)((UINT8*)TransReq->CmdDescHost + ROUNDUP8 (sizeof (UTP_COMMAND_UPIU)) + ROUNDUP8 (sizeof (UTP_RESPONSE_UPIU))); + ASSERT (PrdtBase != NULL); + UfsInitUtpPrdt (PrdtBase, (VOID*)(UINTN)DataBufPhyAddr, DataLen); + + return EFI_SUCCESS; +} + +/** + 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 + ) +{ + EFI_STATUS Status; + UTP_RESPONSE_UPIU *Response; + UINT16 SenseDataLen; + UINT32 ResTranCount; + EFI_TPL OldTpl; + UFS_PASS_THRU_TRANS_REQ *TransReq; + EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc; + + TransReq = AllocateZeroPool (sizeof (UFS_PASS_THRU_TRANS_REQ)); + if (TransReq == NULL) { + return EFI_OUT_OF_RESOURCES; + } + + TransReq->Signature = UFS_PASS_THRU_TRANS_REQ_SIG; + TransReq->TimeoutRemain = Packet->Timeout; + TransReq->Packet = Packet; + + UfsHc = Private->UfsHostController; + // + // Find out which slot of transfer request list is available. + // + Status = UfsFindAvailableSlotInTrl (Private, &TransReq->Slot); + if (EFI_ERROR (Status)) { + return Status; + } + + TransReq->Trd = ((UTP_TRD*)Private->UtpTrlBase) + TransReq->Slot; + + // + // Fill transfer request descriptor to this slot. + // + Status = UfsCreateScsiCommandDesc ( + Private, + Lun, + Packet, + TransReq->Trd, + &TransReq->CmdDescHost, + &TransReq->CmdDescMapping + ); + if (EFI_ERROR (Status)) { + return Status; + } + + TransReq->CmdDescSize = TransReq->Trd->PrdtO * sizeof (UINT32) + TransReq->Trd->PrdtL * sizeof (UTP_TR_PRD); + + Status = UfsPrepareDataTransferBuffer (Private, TransReq); + if (EFI_ERROR (Status)) { + goto Exit1; + } + + // + // Insert the async SCSI cmd to the Async I/O list + // + if (Event != NULL) { + OldTpl = gBS->RaiseTPL (TPL_NOTIFY); + TransReq->CallerEvent = Event; + InsertTailList (&Private->Queue, &TransReq->TransferList); + gBS->RestoreTPL (OldTpl); + } + + // + // Start to execute the transfer request. + // + UfsStartExecCmd (Private, TransReq->Slot); + + // + // Immediately return for async I/O. + // + if (Event != NULL) { + return EFI_SUCCESS; + } + + // + // Wait for the completion of the transfer request. + // + Status = UfsWaitMemSet (Private, UFS_HC_UTRLDBR_OFFSET, BIT0 << TransReq->Slot, 0, Packet->Timeout); + if (EFI_ERROR (Status)) { + goto Exit; + } + + // + // Get sense data if exists + // + Response = (UTP_RESPONSE_UPIU*)((UINT8*)TransReq->CmdDescHost + TransReq->Trd->RuO * sizeof (UINT32)); + ASSERT (Response != NULL); + SenseDataLen = Response->SenseDataLen; + SwapLittleEndianToBigEndian ((UINT8*)&SenseDataLen, sizeof (UINT16)); + + if ((Packet->SenseDataLength != 0) && (Packet->SenseData != NULL)) { + // + // Make sure the hardware device does not return more data than expected. + // + if (SenseDataLen <= Packet->SenseDataLength) { + CopyMem (Packet->SenseData, Response->SenseData, SenseDataLen); + Packet->SenseDataLength = (UINT8)SenseDataLen; + } else { + Packet->SenseDataLength = 0; + } + } + + // + // Check the transfer request result. + // + Packet->TargetStatus = Response->Status; + if (Response->Response != 0) { + DEBUG ((DEBUG_ERROR, "UfsExecScsiCmds() fails with Target Failure\n")); + Status = EFI_DEVICE_ERROR; + goto Exit; + } + + if (TransReq->Trd->Ocs == 0) { + if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) { + if ((Response->Flags & BIT5) == BIT5) { + ResTranCount = Response->ResTranCount; + SwapLittleEndianToBigEndian ((UINT8*)&ResTranCount, sizeof (UINT32)); + Packet->InTransferLength -= ResTranCount; + } + } else { + if ((Response->Flags & BIT5) == BIT5) { + ResTranCount = Response->ResTranCount; + SwapLittleEndianToBigEndian ((UINT8*)&ResTranCount, sizeof (UINT32)); + Packet->OutTransferLength -= ResTranCount; + } + } + } else { + Status = EFI_DEVICE_ERROR; + } + +Exit: + UfsHc->Flush (UfsHc); + + UfsStopExecCmd (Private, TransReq->Slot); + + UfsReconcileDataTransferBuffer (Private, TransReq); + +Exit1: + if (TransReq->CmdDescMapping != NULL) { + UfsHc->Unmap (UfsHc, TransReq->CmdDescMapping); + } + if (TransReq->CmdDescHost != NULL) { + UfsHc->FreeBuffer (UfsHc, EFI_SIZE_TO_PAGES (TransReq->CmdDescSize), TransReq->CmdDescHost); + } + if (TransReq != NULL) { + FreePool (TransReq); + } + return Status; +} + +/** + Send UIC command. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + @param[in, out] UicCommand UIC command descriptor. On exit contains UIC command results. + + @return EFI_SUCCESS Successfully execute this UIC command and detect attached UFS device. + @return EFI_DEVICE_ERROR Fail to execute this UIC command and detect attached UFS device. + +**/ +EFI_STATUS +UfsExecUicCommands ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private, + IN OUT EDKII_UIC_COMMAND *UicCommand + ) +{ + EFI_STATUS Status; + UINT32 Data; + + Status = UfsMmioRead32 (Private, UFS_HC_IS_OFFSET, &Data); + if (EFI_ERROR (Status)) { + return Status; + } + + if ((Data & UFS_HC_IS_UCCS) == UFS_HC_IS_UCCS) { + // + // Clear IS.BIT10 UIC Command Completion Status (UCCS) at first. + // + Status = UfsMmioWrite32 (Private, UFS_HC_IS_OFFSET, Data); + if (EFI_ERROR (Status)) { + return Status; + } + } + + // + // When programming UIC command registers, host software shall set the register UICCMD + // only after all the UIC command argument registers (UICCMDARG1, UICCMDARG2 and UICCMDARG3) + // are set. + // + Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG1_OFFSET, UicCommand->Arg1); + if (EFI_ERROR (Status)) { + return Status; + } + + Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG2_OFFSET, UicCommand->Arg2); + if (EFI_ERROR (Status)) { + return Status; + } + + Status = UfsMmioWrite32 (Private, UFS_HC_UCMD_ARG3_OFFSET, UicCommand->Arg3); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // Host software shall only set the UICCMD if HCS.UCRDY is set to 1. + // + Status = UfsWaitMemSet (Private, UFS_HC_STATUS_OFFSET, UFS_HC_HCS_UCRDY, UFS_HC_HCS_UCRDY, UFS_TIMEOUT); + if (EFI_ERROR (Status)) { + return Status; + } + + Status = UfsMmioWrite32 (Private, UFS_HC_UIC_CMD_OFFSET, UicCommand->Opcode); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // UFS 2.0 spec section 5.3.1 Offset:0x20 IS.Bit10 UIC Command Completion Status (UCCS) + // This bit is set to '1' by the host controller upon completion of a UIC command. + // + Status = UfsWaitMemSet (Private, UFS_HC_IS_OFFSET, UFS_HC_IS_UCCS, UFS_HC_IS_UCCS, UFS_TIMEOUT); + if (EFI_ERROR (Status)) { + return Status; + } + + if (UicCommand->Opcode != UfsUicDmeReset) { + Status = UfsMmioRead32 (Private, UFS_HC_UCMD_ARG2_OFFSET, &UicCommand->Arg2); + if (EFI_ERROR (Status)) { + return Status; + } + Status = UfsMmioRead32 (Private, UFS_HC_UCMD_ARG3_OFFSET, &UicCommand->Arg3); + if (EFI_ERROR (Status)) { + return Status; + } + if ((UicCommand->Arg2 & 0xFF) != 0) { + DEBUG_CODE_BEGIN(); + DumpUicCmdExecResult ((UINT8)UicCommand->Opcode, (UINT8)(UicCommand->Arg2 & 0xFF)); + DEBUG_CODE_END(); + return EFI_DEVICE_ERROR; + } + } + + return EFI_SUCCESS; +} + +/** + 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 + ) +{ + EFI_STATUS Status; + UINTN Bytes; + BOOLEAN Is32BitAddr; + EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc; + + if ((Private->UfsHcInfo.Capabilities & UFS_HC_CAP_64ADDR) == UFS_HC_CAP_64ADDR) { + Is32BitAddr = FALSE; + } else { + Is32BitAddr = TRUE; + } + + UfsHc = Private->UfsHostController; + Status = UfsHc->AllocateBuffer ( + UfsHc, + AllocateAnyPages, + EfiBootServicesData, + EFI_SIZE_TO_PAGES (Size), + CmdDescHost, + 0 + ); + if (EFI_ERROR (Status)) { + *CmdDescMapping = NULL; + *CmdDescHost = NULL; + *CmdDescPhyAddr = 0; + return EFI_OUT_OF_RESOURCES; + } + + Bytes = EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Size)); + Status = UfsHc->Map ( + UfsHc, + EdkiiUfsHcOperationBusMasterCommonBuffer, + *CmdDescHost, + &Bytes, + CmdDescPhyAddr, + CmdDescMapping + ); + + if (EFI_ERROR (Status) || (Bytes != EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Size)))) { + UfsHc->FreeBuffer ( + UfsHc, + EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Size)), + *CmdDescHost + ); + *CmdDescHost = NULL; + return EFI_OUT_OF_RESOURCES; + } + + if (Is32BitAddr && ((*CmdDescPhyAddr) > 0x100000000ULL)) { + // + // The UFS host controller doesn't support 64bit addressing, so should not get a >4G UFS bus master address. + // + UfsHc->Unmap ( + UfsHc, + *CmdDescMapping + ); + UfsHc->FreeBuffer ( + UfsHc, + EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Size)), + *CmdDescHost + ); + *CmdDescMapping = NULL; + *CmdDescHost = NULL; + return EFI_DEVICE_ERROR; + } + + ZeroMem (*CmdDescHost, EFI_PAGES_TO_SIZE (EFI_SIZE_TO_PAGES (Size))); + return EFI_SUCCESS; +} + +/** + Enable the UFS host controller for accessing. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + + @retval EFI_SUCCESS The UFS host controller enabling was executed successfully. + @retval EFI_DEVICE_ERROR A device error occurred while enabling the UFS host controller. + +**/ +EFI_STATUS +UfsEnableHostController ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private + ) +{ + EFI_STATUS Status; + UINT32 Data; + + if (mUfsHcPlatform != NULL && mUfsHcPlatform->Callback != NULL) { + Status = mUfsHcPlatform->Callback (Private->Handle, EdkiiUfsHcPreHce, &Private->UfsHcDriverInterface); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Failure from platform driver during EdkiiUfsHcPreHce, Status = %r\n", Status)); + return Status; + } + } + + // + // UFS 2.0 spec section 7.1.1 - Host Controller Initialization + // + // Reinitialize the UFS host controller if HCE bit of HC register is set. + // + Status = UfsMmioRead32 (Private, UFS_HC_ENABLE_OFFSET, &Data); + if (EFI_ERROR (Status)) { + return Status; + } + + if ((Data & UFS_HC_HCE_EN) == UFS_HC_HCE_EN) { + // + // Write a 0 to the HCE register at first to disable the host controller. + // + Status = UfsMmioWrite32 (Private, UFS_HC_ENABLE_OFFSET, 0); + if (EFI_ERROR (Status)) { + return Status; + } + // + // Wait until HCE is read as '0' before continuing. + // + Status = UfsWaitMemSet (Private, UFS_HC_ENABLE_OFFSET, UFS_HC_HCE_EN, 0, UFS_TIMEOUT); + if (EFI_ERROR (Status)) { + return EFI_DEVICE_ERROR; + } + } + + // + // Write a 1 to the HCE register to enable the UFS host controller. + // + Status = UfsMmioWrite32 (Private, UFS_HC_ENABLE_OFFSET, UFS_HC_HCE_EN); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // Wait until HCE is read as '1' before continuing. + // + Status = UfsWaitMemSet (Private, UFS_HC_ENABLE_OFFSET, UFS_HC_HCE_EN, UFS_HC_HCE_EN, UFS_TIMEOUT); + if (EFI_ERROR (Status)) { + return EFI_DEVICE_ERROR; + } + + if (mUfsHcPlatform != NULL && mUfsHcPlatform->Callback != NULL) { + Status = mUfsHcPlatform->Callback (Private->Handle, EdkiiUfsHcPostHce, &Private->UfsHcDriverInterface); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Failure from platform driver during EdkiiUfsHcPostHce, Status = %r\n", Status)); + return Status; + } + } + + return EFI_SUCCESS; +} + +/** + Detect if a UFS device attached. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + + @retval EFI_SUCCESS The UFS device detection was executed successfully. + @retval EFI_NOT_FOUND Not found a UFS device attached. + @retval EFI_DEVICE_ERROR A device error occurred while detecting the UFS device. + +**/ +EFI_STATUS +UfsDeviceDetection ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private + ) +{ + UINTN Retry; + EFI_STATUS Status; + UINT32 Data; + EDKII_UIC_COMMAND LinkStartupCommand; + + if (mUfsHcPlatform != NULL && mUfsHcPlatform->Callback != NULL) { + Status = mUfsHcPlatform->Callback (Private->Handle, EdkiiUfsHcPreLinkStartup, &Private->UfsHcDriverInterface); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Failure from platform driver during EdkiiUfsHcPreLinkStartup, Status = %r\n", Status)); + return Status; + } + } + + // + // Start UFS device detection. + // Try up to 3 times for establishing data link with device. + // + for (Retry = 0; Retry < 3; Retry++) { + LinkStartupCommand.Opcode = UfsUicDmeLinkStartup; + LinkStartupCommand.Arg1 = 0; + LinkStartupCommand.Arg2 = 0; + LinkStartupCommand.Arg3 = 0; + Status = UfsExecUicCommands (Private, &LinkStartupCommand); + if (EFI_ERROR (Status)) { + return EFI_DEVICE_ERROR; + } + + Status = UfsMmioRead32 (Private, UFS_HC_STATUS_OFFSET, &Data); + if (EFI_ERROR (Status)) { + return EFI_DEVICE_ERROR; + } + + if ((Data & UFS_HC_HCS_DP) == 0) { + Status = UfsWaitMemSet (Private, UFS_HC_IS_OFFSET, UFS_HC_IS_ULSS, UFS_HC_IS_ULSS, UFS_TIMEOUT); + if (EFI_ERROR (Status)) { + return EFI_DEVICE_ERROR; + } + } else { + if (mUfsHcPlatform != NULL && mUfsHcPlatform->Callback != NULL) { + Status = mUfsHcPlatform->Callback (Private->Handle, EdkiiUfsHcPostLinkStartup, &Private->UfsHcDriverInterface); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Failure from platform driver during EdkiiUfsHcPostLinkStartup, Status = %r\n", Status)); + return Status; + } + } + return EFI_SUCCESS; + } + } + + return EFI_NOT_FOUND; +} + +/** + Initialize UFS task management request list related h/w context. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + + @retval EFI_SUCCESS The UFS task management list was initialzed successfully. + @retval EFI_DEVICE_ERROR The initialization fails. + +**/ +EFI_STATUS +UfsInitTaskManagementRequestList ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private + ) +{ + UINT8 Nutmrs; + VOID *CmdDescHost; + EFI_PHYSICAL_ADDRESS CmdDescPhyAddr; + VOID *CmdDescMapping; + EFI_STATUS Status; + + // + // Initial h/w and s/w context for future operations. + // + CmdDescHost = NULL; + CmdDescMapping = NULL; + CmdDescPhyAddr = 0; + + // + // Allocate and initialize UTP Task Management Request List. + // + Nutmrs = (UINT8) (RShiftU64 ((Private->UfsHcInfo.Capabilities & UFS_HC_CAP_NUTMRS), 16) + 1); + Status = UfsAllocateAlignCommonBuffer (Private, Nutmrs * sizeof (UTP_TMRD), &CmdDescHost, &CmdDescPhyAddr, &CmdDescMapping); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // Program the UTP Task Management Request List Base Address and UTP Task Management + // Request List Base Address with a 64-bit address allocated at step 6. + // + Status = UfsMmioWrite32 (Private, UFS_HC_UTMRLBA_OFFSET, (UINT32)(UINTN)CmdDescPhyAddr); + if (EFI_ERROR (Status)) { + return Status; + } + + Status = UfsMmioWrite32 (Private, UFS_HC_UTMRLBAU_OFFSET, (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32)); + if (EFI_ERROR (Status)) { + return Status; + } + Private->UtpTmrlBase = CmdDescHost; + Private->Nutmrs = Nutmrs; + Private->TmrlMapping = CmdDescMapping; + + // + // Enable the UTP Task Management Request List by setting the UTP Task Management + // Request List RunStop Register (UTMRLRSR) to '1'. + // + Status = UfsMmioWrite32 (Private, UFS_HC_UTMRLRSR_OFFSET, UFS_HC_UTMRLRSR); + if (EFI_ERROR (Status)) { + return Status; + } + + return EFI_SUCCESS; +} + +/** + Initialize UFS transfer request list related h/w context. + + @param[in] Private The pointer to the UFS_PASS_THRU_PRIVATE_DATA data structure. + + @retval EFI_SUCCESS The UFS transfer list was initialzed successfully. + @retval EFI_DEVICE_ERROR The initialization fails. + +**/ +EFI_STATUS +UfsInitTransferRequestList ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private + ) +{ + UINT8 Nutrs; + VOID *CmdDescHost; + EFI_PHYSICAL_ADDRESS CmdDescPhyAddr; + VOID *CmdDescMapping; + EFI_STATUS Status; + + // + // Initial h/w and s/w context for future operations. + // + CmdDescHost = NULL; + CmdDescMapping = NULL; + CmdDescPhyAddr = 0; + + // + // Allocate and initialize UTP Transfer Request List. + // + Nutrs = (UINT8)((Private->UfsHcInfo.Capabilities & UFS_HC_CAP_NUTRS) + 1); + Status = UfsAllocateAlignCommonBuffer (Private, Nutrs * sizeof (UTP_TRD), &CmdDescHost, &CmdDescPhyAddr, &CmdDescMapping); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // Program the UTP Transfer Request List Base Address and UTP Transfer Request List + // Base Address with a 64-bit address allocated at step 8. + // + Status = UfsMmioWrite32 (Private, UFS_HC_UTRLBA_OFFSET, (UINT32)(UINTN)CmdDescPhyAddr); + if (EFI_ERROR (Status)) { + return Status; + } + + Status = UfsMmioWrite32 (Private, UFS_HC_UTRLBAU_OFFSET, (UINT32)RShiftU64 ((UINT64)CmdDescPhyAddr, 32)); + if (EFI_ERROR (Status)) { + return Status; + } + + Private->UtpTrlBase = CmdDescHost; + Private->Nutrs = Nutrs; + Private->TrlMapping = CmdDescMapping; + + // + // Enable the UTP Transfer Request List by setting the UTP Transfer Request List + // RunStop Register (UTRLRSR) to '1'. + // + Status = UfsMmioWrite32 (Private, UFS_HC_UTRLRSR_OFFSET, UFS_HC_UTRLRSR); + if (EFI_ERROR (Status)) { + return Status; + } + + return EFI_SUCCESS; +} + +/** + Initialize 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 initialized successfully. + @retval Others A device error occurred while initializing the controller. + +**/ +EFI_STATUS +UfsControllerInit ( + IN UFS_PASS_THRU_PRIVATE_DATA *Private + ) +{ + EFI_STATUS Status; + + Status = UfsEnableHostController (Private); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "UfsControllerInit: Enable Host Controller Fails, Status = %r\n", Status)); + return Status; + } + + Status = UfsDeviceDetection (Private); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "UfsControllerInit: Device Detection Fails, Status = %r\n", Status)); + return Status; + } + + Status = UfsInitTaskManagementRequestList (Private); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "UfsControllerInit: Task management list initialization Fails, Status = %r\n", Status)); + return Status; + } + + Status = UfsInitTransferRequestList (Private); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "UfsControllerInit: Transfer list initialization Fails, Status = %r\n", Status)); + return Status; + } + + DEBUG ((DEBUG_INFO, "UfsControllerInit Finished\n")); + return EFI_SUCCESS; +} + +/** + 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 + ) +{ + EFI_STATUS Status; + UINT32 Data; + + // + // Enable the UTP Task Management Request List by setting the UTP Task Management + // Request List RunStop Register (UTMRLRSR) to '1'. + // + Status = UfsMmioWrite32 (Private, UFS_HC_UTMRLRSR_OFFSET, 0); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // Enable the UTP Transfer Request List by setting the UTP Transfer Request List + // RunStop Register (UTRLRSR) to '1'. + // + Status = UfsMmioWrite32 (Private, UFS_HC_UTRLRSR_OFFSET, 0); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // Write a 0 to the HCE register in order to disable the host controller. + // + Status = UfsMmioRead32 (Private, UFS_HC_ENABLE_OFFSET, &Data); + if (EFI_ERROR (Status)) { + return Status; + } + ASSERT ((Data & UFS_HC_HCE_EN) == UFS_HC_HCE_EN); + + Status = UfsMmioWrite32 (Private, UFS_HC_ENABLE_OFFSET, 0); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // Wait until HCE is read as '0' before continuing. + // + Status = UfsWaitMemSet (Private, UFS_HC_ENABLE_OFFSET, UFS_HC_HCE_EN, 0, UFS_TIMEOUT); + if (EFI_ERROR (Status)) { + return EFI_DEVICE_ERROR; + } + + DEBUG ((DEBUG_INFO, "UfsController is stopped\n")); + + return EFI_SUCCESS; +} + +/** + 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 + ) +{ + EDKII_UFS_HOST_CONTROLLER_PROTOCOL *UfsHc; + EFI_EVENT CallerEvent; + + ASSERT ((Private != NULL) && (TransReq != NULL)); + + UfsHc = Private->UfsHostController; + CallerEvent = TransReq->CallerEvent; + + RemoveEntryList (&TransReq->TransferList); + + UfsHc->Flush (UfsHc); + + UfsStopExecCmd (Private, TransReq->Slot); + + UfsReconcileDataTransferBuffer (Private, TransReq); + + if (TransReq->CmdDescMapping != NULL) { + UfsHc->Unmap (UfsHc, TransReq->CmdDescMapping); + } + if (TransReq->CmdDescHost != NULL) { + UfsHc->FreeBuffer ( + UfsHc, + EFI_SIZE_TO_PAGES (TransReq->CmdDescSize), + TransReq->CmdDescHost + ); + } + + FreePool (TransReq); + + gBS->SignalEvent (CallerEvent); + return; +} + +/** + 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 + ) +{ + UFS_PASS_THRU_PRIVATE_DATA *Private; + LIST_ENTRY *Entry; + LIST_ENTRY *NextEntry; + UFS_PASS_THRU_TRANS_REQ *TransReq; + EFI_EXT_SCSI_PASS_THRU_SCSI_REQUEST_PACKET *Packet; + UTP_RESPONSE_UPIU *Response; + UINT16 SenseDataLen; + UINT32 ResTranCount; + UINT32 SlotsMap; + UINT32 Value; + EFI_STATUS Status; + + Private = (UFS_PASS_THRU_PRIVATE_DATA*) Context; + SlotsMap = 0; + + // + // Check the entries in the async I/O queue are done or not. + // + if (!IsListEmpty(&Private->Queue)) { + BASE_LIST_FOR_EACH_SAFE (Entry, NextEntry, &Private->Queue) { + TransReq = UFS_PASS_THRU_TRANS_REQ_FROM_THIS (Entry); + Packet = TransReq->Packet; + + if ((SlotsMap & (BIT0 << TransReq->Slot)) != 0) { + return; + } + SlotsMap |= BIT0 << TransReq->Slot; + + Status = UfsMmioRead32 (Private, UFS_HC_UTRLDBR_OFFSET, &Value); + if (EFI_ERROR (Status)) { + // + // TODO: Should find/add a proper host adapter return status for this + // case. + // + Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_PHASE_ERROR; + DEBUG ((DEBUG_VERBOSE, "ProcessAsyncTaskList(): Signal Event %p UfsMmioRead32() Error.\n", TransReq->CallerEvent)); + SignalCallerEvent (Private, TransReq); + continue; + } + + if ((Value & (BIT0 << TransReq->Slot)) != 0) { + // + // Scsi cmd not finished yet. + // + if (TransReq->TimeoutRemain > UFS_HC_ASYNC_TIMER) { + TransReq->TimeoutRemain -= UFS_HC_ASYNC_TIMER; + continue; + } else { + // + // Timeout occurs. + // + Packet->HostAdapterStatus = EFI_EXT_SCSI_STATUS_HOST_ADAPTER_TIMEOUT_COMMAND; + DEBUG ((DEBUG_VERBOSE, "ProcessAsyncTaskList(): Signal Event %p EFI_TIMEOUT.\n", TransReq->CallerEvent)); + SignalCallerEvent (Private, TransReq); + continue; + } + } else { + // + // Scsi cmd finished. + // + // Get sense data if exists + // + Response = (UTP_RESPONSE_UPIU*)((UINT8*)TransReq->CmdDescHost + TransReq->Trd->RuO * sizeof (UINT32)); + ASSERT (Response != NULL); + SenseDataLen = Response->SenseDataLen; + SwapLittleEndianToBigEndian ((UINT8*)&SenseDataLen, sizeof (UINT16)); + + if ((Packet->SenseDataLength != 0) && (Packet->SenseData != NULL)) { + // + // Make sure the hardware device does not return more data than expected. + // + if (SenseDataLen <= Packet->SenseDataLength) { + CopyMem (Packet->SenseData, Response->SenseData, SenseDataLen); + Packet->SenseDataLength = (UINT8)SenseDataLen; + } else { + Packet->SenseDataLength = 0; + } + } + + // + // Check the transfer request result. + // + Packet->TargetStatus = Response->Status; + if (Response->Response != 0) { + DEBUG ((DEBUG_VERBOSE, "ProcessAsyncTaskList(): Signal Event %p Target Failure.\n", TransReq->CallerEvent)); + SignalCallerEvent (Private, TransReq); + continue; + } + + if (TransReq->Trd->Ocs == 0) { + if (Packet->DataDirection == EFI_EXT_SCSI_DATA_DIRECTION_READ) { + if ((Response->Flags & BIT5) == BIT5) { + ResTranCount = Response->ResTranCount; + SwapLittleEndianToBigEndian ((UINT8*)&ResTranCount, sizeof (UINT32)); + Packet->InTransferLength -= ResTranCount; + } + } else { + if ((Response->Flags & BIT5) == BIT5) { + ResTranCount = Response->ResTranCount; + SwapLittleEndianToBigEndian ((UINT8*)&ResTranCount, sizeof (UINT32)); + Packet->OutTransferLength -= ResTranCount; + } + } + } else { + DEBUG ((DEBUG_VERBOSE, "ProcessAsyncTaskList(): Signal Event %p Target Device Error.\n", TransReq->CallerEvent)); + SignalCallerEvent (Private, TransReq); + continue; + } + + DEBUG ((DEBUG_VERBOSE, "ProcessAsyncTaskList(): Signal Event %p Success.\n", TransReq->CallerEvent)); + SignalCallerEvent (Private, TransReq); + } + } + } +} + +/** + 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 + ) +{ + UFS_PASS_THRU_PRIVATE_DATA *Private; + + if (This == NULL || UicCommand == NULL) { + return EFI_INVALID_PARAMETER; + } + + Private = UFS_PASS_THRU_PRIVATE_DATA_FROM_DRIVER_INTF (This); + + return UfsExecUicCommands (Private, 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 + ) +{ + UINT32 Data; + EFI_STATUS Status; + + Status = UfsMmioRead32 (Private, UFS_HC_VER_OFFSET, &Data); + if (EFI_ERROR (Status)) { + return Status; + } + + Private->UfsHcInfo.Version = Data; + + Status = UfsMmioRead32 (Private, UFS_HC_CAP_OFFSET, &Data); + if (EFI_ERROR (Status)) { + return Status; + } + + Private->UfsHcInfo.Capabilities = Data; + + if (mUfsHcPlatform != NULL && mUfsHcPlatform->OverrideHcInfo != NULL) { + Status = mUfsHcPlatform->OverrideHcInfo (Private->Handle, &Private->UfsHcInfo); + if (EFI_ERROR (Status)) { + DEBUG ((DEBUG_ERROR, "Failure from platform on OverrideHcInfo, Status = %r\n", Status)); + return Status; + } + } + + return EFI_SUCCESS; +} + diff --git a/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.h b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.h new file mode 100644 index 000000000..e8b5aae70 --- /dev/null +++ b/roms/edk2/MdeModulePkg/Bus/Ufs/UfsPassThruDxe/UfsPassThruHci.h @@ -0,0 +1,1339 @@ +/** @file + UfsPassThruDxe driver is used to produce EFI_EXT_SCSI_PASS_THRU protocol interface + for upper layer application to execute UFS-supported SCSI cmds. + + Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.
+ SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#ifndef _UFS_PASS_THRU_HCI_H_ +#define _UFS_PASS_THRU_HCI_H_ + +// +// Host Capabilities Register Offsets +// +#define UFS_HC_CAP_OFFSET 0x0000 // Controller Capabilities +#define UFS_HC_VER_OFFSET 0x0008 // Version +#define UFS_HC_DDID_OFFSET 0x0010 // Device ID and Device Class +#define UFS_HC_PMID_OFFSET 0x0014 // Product ID and Manufacturer ID +#define UFS_HC_AHIT_OFFSET 0x0018 // Auto-Hibernate Idle Timer +// +// Operation and Runtime Register Offsets +// +#define UFS_HC_IS_OFFSET 0x0020 // Interrupt Status +#define UFS_HC_IE_OFFSET 0x0024 // Interrupt Enable +#define UFS_HC_STATUS_OFFSET 0x0030 // Host Controller Status +#define UFS_HC_ENABLE_OFFSET 0x0034 // Host Controller Enable +#define UFS_HC_UECPA_OFFSET 0x0038 // Host UIC Error Code PHY Adapter Layer +#define UFS_HC_UECDL_OFFSET 0x003c // Host UIC Error Code Data Link Layer +#define UFS_HC_UECN_OFFSET 0x0040 // Host UIC Error Code Network Layer +#define UFS_HC_UECT_OFFSET 0x0044 // Host UIC Error Code Transport Layer +#define UFS_HC_UECDME_OFFSET 0x0048 // Host UIC Error Code DME +#define UFS_HC_UTRIACR_OFFSET 0x004c // UTP Transfer Request Interrupt Aggregation Control Register +// +// UTP Transfer Register Offsets +// +#define UFS_HC_UTRLBA_OFFSET 0x0050 // UTP Transfer Request List Base Address +#define UFS_HC_UTRLBAU_OFFSET 0x0054 // UTP Transfer Request List Base Address Upper 32-Bits +#define UFS_HC_UTRLDBR_OFFSET 0x0058 // UTP Transfer Request List Door Bell Register +#define UFS_HC_UTRLCLR_OFFSET 0x005c // UTP Transfer Request List CLear Register +#define UFS_HC_UTRLRSR_OFFSET 0x0060 // UTP Transfer Request Run-Stop Register +// +// UTP Task Management Register Offsets +// +#define UFS_HC_UTMRLBA_OFFSET 0x0070 // UTP Task Management Request List Base Address +#define UFS_HC_UTMRLBAU_OFFSET 0x0074 // UTP Task Management Request List Base Address Upper 32-Bits +#define UFS_HC_UTMRLDBR_OFFSET 0x0078 // UTP Task Management Request List Door Bell Register +#define UFS_HC_UTMRLCLR_OFFSET 0x007c // UTP Task Management Request List CLear Register +#define UFS_HC_UTMRLRSR_OFFSET 0x0080 // UTP Task Management Run-Stop Register +// +// UIC Command Register Offsets +// +#define UFS_HC_UIC_CMD_OFFSET 0x0090 // UIC Command Register +#define UFS_HC_UCMD_ARG1_OFFSET 0x0094 // UIC Command Argument 1 +#define UFS_HC_UCMD_ARG2_OFFSET 0x0098 // UIC Command Argument 2 +#define UFS_HC_UCMD_ARG3_OFFSET 0x009c // UIC Command Argument 3 +// +// UMA Register Offsets +// +#define UFS_HC_UMA_OFFSET 0x00b0 // Reserved for Unified Memory Extension + +#define UFS_HC_HCE_EN BIT0 +#define UFS_HC_HCS_DP BIT0 +#define UFS_HC_HCS_UCRDY BIT3 +#define UFS_HC_IS_ULSS BIT8 +#define UFS_HC_IS_UCCS BIT10 +#define UFS_HC_CAP_64ADDR BIT24 +#define UFS_HC_CAP_NUTMRS (BIT16 | BIT17 | BIT18) +#define UFS_HC_CAP_NUTRS (BIT0 | BIT1 | BIT2 | BIT3 | BIT4) +#define UFS_HC_UTMRLRSR BIT0 +#define UFS_HC_UTRLRSR BIT0 + +// +// The initial value of the OCS field of UTP TRD or TMRD descriptor +// defined in JEDEC JESD223 specification +// +#define UFS_HC_TRD_OCS_INIT_VALUE 0x0F + +// +// A maximum of length of 256KB is supported by PRDT entry +// +#define UFS_MAX_DATA_LEN_PER_PRD 0x40000 + +#define UFS_STORAGE_COMMAND_TYPE 0x01 + +#define UFS_REGULAR_COMMAND 0x00 +#define UFS_INTERRUPT_COMMAND 0x01 + +#define UFS_LUN_0 0x00 +#define UFS_LUN_1 0x01 +#define UFS_LUN_2 0x02 +#define UFS_LUN_3 0x03 +#define UFS_LUN_4 0x04 +#define UFS_LUN_5 0x05 +#define UFS_LUN_6 0x06 +#define UFS_LUN_7 0x07 +#define UFS_WLUN_REPORT_LUNS 0x81 +#define UFS_WLUN_UFS_DEV 0xD0 +#define UFS_WLUN_BOOT 0xB0 +#define UFS_WLUN_RPMB 0xC4 + +#pragma pack(1) + +// +// UFSHCI 2.0 Spec Section 5.2.1 Offset 00h: CAP - Controller Capabilities +// +typedef struct { + UINT8 Nutrs:4; // Number of UTP Transfer Request Slots + UINT8 Rsvd1:4; + + UINT8 NoRtt; // Number of outstanding READY TO TRANSFER (RTT) requests supported + + UINT8 Nutmrs:3; // Number of UTP Task Management Request Slots + UINT8 Rsvd2:4; + UINT8 AutoHs:1; // Auto-Hibernation Support + + UINT8 As64:1; // 64-bit addressing supported + UINT8 Oodds:1; // Out of order data delivery supported + UINT8 UicDmetms:1; // UIC DME_TEST_MODE command supported + UINT8 Ume:1; // Reserved for Unified Memory Extension + UINT8 Rsvd4:4; +} UFS_HC_CAP; + +// +// UFSHCI 2.0 Spec Section 5.2.2 Offset 08h: VER - UFS Version +// +typedef struct { + UINT8 Vs:4; // Version Suffix + UINT8 Mnr:4; // Minor version number + + UINT8 Mjr; // Major version number + + UINT16 Rsvd1; +} UFS_HC_VER; + +// +// UFSHCI 2.0 Spec Section 5.2.3 Offset 10h: HCPID - Host Controller Product ID +// +#define UFS_HC_PID UINT32 + +// +// UFSHCI 2.0 Spec Section 5.2.4 Offset 14h: HCMID - Host Controller Manufacturer ID +// +#define UFS_HC_MID UINT32 + +// +// UFSHCI 2.0 Spec Section 5.2.5 Offset 18h: AHIT - Auto-Hibernate Idle Timer +// +typedef struct { + UINT32 Ahitv:10; // Auto-Hibernate Idle Timer Value + UINT32 Ts:3; // Timer scale + UINT32 Rsvd1:19; +} UFS_HC_AHIT; + +// +// UFSHCI 2.0 Spec Section 5.3.1 Offset 20h: IS - Interrupt Status +// +typedef struct { + UINT16 Utrcs:1; // UTP Transfer Request Completion Status + UINT16 Udepri:1; // UIC DME_ENDPOINT_RESET Indication + UINT16 Ue:1; // UIC Error + UINT16 Utms:1; // UIC Test Mode Status + + UINT16 Upms:1; // UIC Power Mode Status + UINT16 Uhxs:1; // UIC Hibernate Exit Status + UINT16 Uhes:1; // UIC Hibernate Enter Status + UINT16 Ulls:1; // UIC Link Lost Status + + UINT16 Ulss:1; // UIC Link Startup Status + UINT16 Utmrcs:1; // UTP Task Management Request Completion Status + UINT16 Uccs:1; // UIC Command Completion Status + UINT16 Dfes:1; // Device Fatal Error Status + + UINT16 Utpes:1; // UTP Error Status + UINT16 Rsvd1:3; + + UINT16 Hcfes:1; // Host Controller Fatal Error Status + UINT16 Sbfes:1; // System Bus Fatal Error Status + UINT16 Rsvd2:14; +} UFS_HC_IS; + +// +// UFSHCI 2.0 Spec Section 5.3.2 Offset 24h: IE - Interrupt Enable +// +typedef struct { + UINT16 Utrce:1; // UTP Transfer Request Completion Enable + UINT16 Udeprie:1; // UIC DME_ENDPOINT_RESET Enable + UINT16 Uee:1; // UIC Error Enable + UINT16 Utmse:1; // UIC Test Mode Status Enable + + UINT16 Upmse:1; // UIC Power Mode Status Enable + UINT16 Uhxse:1; // UIC Hibernate Exit Status Enable + UINT16 Uhese:1; // UIC Hibernate Enter Status Enable + UINT16 Ullse:1; // UIC Link Lost Status Enable + + UINT16 Ulsse:1; // UIC Link Startup Status Enable + UINT16 Utmrce:1; // UTP Task Management Request Completion Enable + UINT16 Ucce:1; // UIC Command Completion Enable + UINT16 Dfee:1; // Device Fatal Error Enable + + UINT16 Utpee:1; // UTP Error Enable + UINT16 Rsvd1:3; + + UINT16 Hcfee:1; // Host Controller Fatal Error Enable + UINT16 Sbfee:1; // System Bus Fatal Error Enable + UINT16 Rsvd2:14; +} UFS_HC_IE; + +// +// UFSHCI 2.0 Spec Section 5.3.3 Offset 30h: HCS - Host Controller Status +// +typedef struct { + UINT8 Dp:1; // Device Present + UINT8 UtrlRdy:1; // UTP Transfer Request List Ready + UINT8 UtmrlRdy:1; // UTP Task Management Request List Ready + UINT8 UcRdy:1; // UIC COMMAND Ready + UINT8 Rsvd1:4; + + UINT8 Upmcrs:3; // UIC Power Mode Change Request Status + UINT8 Rsvd2:1; // UIC Hibernate Exit Status Enable + UINT8 Utpec:4; // UTP Error Code + + UINT8 TtagUtpE; // Task Tag of UTP error + UINT8 TlunUtpE; // Target LUN of UTP error +} UFS_HC_STATUS; + +// +// UFSHCI 2.0 Spec Section 5.3.4 Offset 34h: HCE - Host Controller Enable +// +typedef struct { + UINT32 Hce:1; // Host Controller Enable + UINT32 Rsvd1:31; +} UFS_HC_ENABLE; + +// +// UFSHCI 2.0 Spec Section 5.3.5 Offset 38h: UECPA - Host UIC Error Code PHY Adapter Layer +// +typedef struct { + UINT32 Ec:5; // UIC PHY Adapter Layer Error Code + UINT32 Rsvd1:26; + UINT32 Err:1; // UIC PHY Adapter Layer Error +} UFS_HC_UECPA; + +// +// UFSHCI 2.0 Spec Section 5.3.6 Offset 3ch: UECDL - Host UIC Error Code Data Link Layer +// +typedef struct { + UINT32 Ec:15; // UIC Data Link Layer Error Code + UINT32 Rsvd1:16; + UINT32 Err:1; // UIC Data Link Layer Error +} UFS_HC_UECDL; + +// +// UFSHCI 2.0 Spec Section 5.3.7 Offset 40h: UECN - Host UIC Error Code Network Layer +// +typedef struct { + UINT32 Ec:3; // UIC Network Layer Error Code + UINT32 Rsvd1:28; + UINT32 Err:1; // UIC Network Layer Error +} UFS_HC_UECN; + +// +// UFSHCI 2.0 Spec Section 5.3.8 Offset 44h: UECT - Host UIC Error Code Transport Layer +// +typedef struct { + UINT32 Ec:7; // UIC Transport Layer Error Code + UINT32 Rsvd1:24; + UINT32 Err:1; // UIC Transport Layer Error +} UFS_HC_UECT; + +// +// UFSHCI 2.0 Spec Section 5.3.9 Offset 48h: UECDME - Host UIC Error Code +// +typedef struct { + UINT32 Ec:1; // UIC DME Error Code + UINT32 Rsvd1:30; + UINT32 Err:1; // UIC DME Error +} UFS_HC_UECDME; + +// +// UFSHCI 2.0 Spec Section 5.3.10 Offset 4Ch: UTRIACR - UTP Transfer Request Interrupt Aggregation Control Register +// +typedef struct { + UINT8 IaToVal; // Interrupt aggregation timeout value + + UINT8 IacTh:5; // Interrupt aggregation counter threshold + UINT8 Rsvd1:3; + + UINT8 Ctr:1; // Counter and Timer Reset + UINT8 Rsvd2:3; + UINT8 Iasb:1; // Interrupt aggregation status bit + UINT8 Rsvd3:3; + + UINT8 IapwEn:1; // Interrupt aggregation parameter write enable + UINT8 Rsvd4:6; + UINT8 IaEn:1; // Interrupt Aggregation Enable/Disable +} UFS_HC_UTRIACR; + +// +// UFSHCI 2.0 Spec Section 5.4.1 Offset 50h: UTRLBA - UTP Transfer Request List Base Address +// +typedef struct { + UINT32 Rsvd1:10; + UINT32 UtrlBa:22; // UTP Transfer Request List Base Address +} UFS_HC_UTRLBA; + +// +// UFSHCI 2.0 Spec Section 5.4.2 Offset 54h: UTRLBAU - UTP Transfer Request List Base Address Upper 32-bits +// +#define UFS_HC_UTRLBAU UINT32 + +// +// UFSHCI 2.0 Spec Section 5.4.3 Offset 58h: UTRLDBR - UTP Transfer Request List Door Bell Register +// +#define UFS_HC_UTRLDBR UINT32 + +// +// UFSHCI 2.0 Spec Section 5.4.4 Offset 5Ch: UTRLCLR - UTP Transfer Request List CLear Register +// +#define UFS_HC_UTRLCLR UINT32 + +#if 0 +// +// UFSHCI 2.0 Spec Section 5.4.5 Offset 60h: UTRLRSR - UTP Transfer Request List Run Stop Register +// +typedef struct { + UINT32 UtrlRsr:1; // UTP Transfer Request List Run-Stop Register + UINT32 Rsvd1:31; +} UFS_HC_UTRLRSR; +#endif + +// +// UFSHCI 2.0 Spec Section 5.5.1 Offset 70h: UTMRLBA - UTP Task Management Request List Base Address +// +typedef struct { + UINT32 Rsvd1:10; + UINT32 UtmrlBa:22; // UTP Task Management Request List Base Address +} UFS_HC_UTMRLBA; + +// +// UFSHCI 2.0 Spec Section 5.5.2 Offset 74h: UTMRLBAU - UTP Task Management Request List Base Address Upper 32-bits +// +#define UFS_HC_UTMRLBAU UINT32 + +// +// UFSHCI 2.0 Spec Section 5.5.3 Offset 78h: UTMRLDBR - UTP Task Management Request List Door Bell Register +// +typedef struct { + UINT32 UtmrlDbr:8; // UTP Task Management Request List Door bell Register + UINT32 Rsvd1:24; +} UFS_HC_UTMRLDBR; + +// +// UFSHCI 2.0 Spec Section 5.5.4 Offset 7Ch: UTMRLCLR - UTP Task Management Request List CLear Register +// +typedef struct { + UINT32 UtmrlClr:8; // UTP Task Management List Clear Register + UINT32 Rsvd1:24; +} UFS_HC_UTMRLCLR; + +#if 0 +// +// UFSHCI 2.0 Spec Section 5.5.5 Offset 80h: UTMRLRSR - UTP Task Management Request List Run Stop Register +// +typedef struct { + UINT32 UtmrlRsr:1; // UTP Task Management Request List Run-Stop Register + UINT32 Rsvd1:31; +} UFS_HC_UTMRLRSR; +#endif + +// +// UFSHCI 2.0 Spec Section 5.6.1 Offset 90h: UICCMD - UIC Command +// +typedef struct { + UINT32 CmdOp:8; // Command Opcode + UINT32 Rsvd1:24; +} UFS_HC_UICCMD; + +// +// UFSHCI 2.0 Spec Section 5.6.2 Offset 94h: UICCMDARG1 - UIC Command Argument 1 +// +#define UFS_HC_UICCMD_ARG1 UINT32 + +// +// UFSHCI 2.0 Spec Section 5.6.2 Offset 98h: UICCMDARG2 - UIC Command Argument 2 +// +#define UFS_HC_UICCMD_ARG2 UINT32 + +// +// UFSHCI 2.0 Spec Section 5.6.2 Offset 9ch: UICCMDARG3 - UIC Command Argument 3 +// +#define UFS_HC_UICCMD_ARG3 UINT32 + +// +// UIC command opcodes +// +typedef enum { + UfsUicDmeGet = 0x01, + UfsUicDmeSet = 0x02, + UfsUicDmePeerGet = 0x03, + UfsUicDmePeerSet = 0x04, + UfsUicDmePwrOn = 0x10, + UfsUicDmePwrOff = 0x11, + UfsUicDmeEnable = 0x12, + UfsUicDmeReset = 0x14, + UfsUicDmeEndpointReset = 0x15, + UfsUicDmeLinkStartup = 0x16, + UfsUicDmeHibernateEnter = 0x17, + UfsUicDmeHibernateExit = 0x18, + UfsUicDmeTestMode = 0x1A +} UFS_UIC_OPCODE; + +// +// UTP Transfer Request Descriptor +// +typedef struct { + // + // DW0 + // + UINT32 Rsvd1:24; + UINT32 Int:1; /* Interrupt */ + UINT32 Dd:2; /* Data Direction */ + UINT32 Rsvd2:1; + UINT32 Ct:4; /* Command Type */ + + // + // DW1 + // + UINT32 Rsvd3; + + // + // DW2 + // + UINT32 Ocs:8; /* Overall Command Status */ + UINT32 Rsvd4:24; + + // + // DW3 + // + UINT32 Rsvd5; + + // + // DW4 + // + UINT32 Rsvd6:7; + UINT32 UcdBa:25; /* UTP Command Descriptor Base Address */ + + // + // DW5 + // + UINT32 UcdBaU; /* UTP Command Descriptor Base Address Upper 32-bits */ + + // + // DW6 + // + UINT16 RuL; /* Response UPIU Length */ + UINT16 RuO; /* Response UPIU Offset */ + + // + // DW7 + // + UINT16 PrdtL; /* PRDT Length */ + UINT16 PrdtO; /* PRDT Offset */ +} UTP_TRD; + +typedef struct { + // + // DW0 + // + UINT32 Rsvd1:2; + UINT32 DbAddr:30; /* Data Base Address */ + + // + // DW1 + // + UINT32 DbAddrU; /* Data Base Address Upper 32-bits */ + + // + // DW2 + // + UINT32 Rsvd2; + + // + // DW3 + // + UINT32 DbCount:18; /* Data Byte Count */ + UINT32 Rsvd3:14; +} UTP_TR_PRD; + +// +// UFS 2.0 Spec Section 10.5.3 - UTP Command UPIU +// +typedef struct { + // + // DW0 + // + UINT8 TransCode:6; /* Transaction Type - 0x01*/ + UINT8 Dd:1; + UINT8 Hd:1; + UINT8 Flags; + UINT8 Lun; + UINT8 TaskTag; /* Task Tag */ + + // + // DW1 + // + UINT8 CmdSet:4; /* Command Set Type */ + UINT8 Rsvd1:4; + UINT8 Rsvd2; + UINT8 Rsvd3; + UINT8 Rsvd4; + + // + // DW2 + // + UINT8 EhsLen; /* Total EHS Length - 0x00 */ + UINT8 Rsvd5; + UINT16 DataSegLen; /* Data Segment Length - Big Endian - 0x0000 */ + + // + // DW3 + // + UINT32 ExpDataTranLen; /* Expected Data Transfer Length - Big Endian */ + + // + // DW4 - DW7 + // + UINT8 Cdb[16]; +} UTP_COMMAND_UPIU; + +// +// UFS 2.0 Spec Section 10.5.4 - UTP Response UPIU +// +typedef struct { + // + // DW0 + // + UINT8 TransCode:6; /* Transaction Type - 0x21*/ + UINT8 Dd:1; + UINT8 Hd:1; + UINT8 Flags; + UINT8 Lun; + UINT8 TaskTag; /* Task Tag */ + + // + // DW1 + // + UINT8 CmdSet:4; /* Command Set Type */ + UINT8 Rsvd1:4; + UINT8 Rsvd2; + UINT8 Response; /* Response */ + UINT8 Status; /* Status */ + + // + // DW2 + // + UINT8 EhsLen; /* Total EHS Length - 0x00 */ + UINT8 DevInfo; /* Device Information */ + UINT16 DataSegLen; /* Data Segment Length - Big Endian */ + + // + // DW3 + // + UINT32 ResTranCount; /* Residual Transfer Count - Big Endian */ + + // + // DW4 - DW7 + // + UINT8 Rsvd3[16]; + + // + // Data Segment - Sense Data + // + UINT16 SenseDataLen; /* Sense Data Length - Big Endian */ + UINT8 SenseData[18]; /* Sense Data */ +} UTP_RESPONSE_UPIU; + +// +// UFS 2.0 Spec Section 10.5.5 - UTP Data-Out UPIU +// +typedef struct { + // + // DW0 + // + UINT8 TransCode:6; /* Transaction Type - 0x02*/ + UINT8 Dd:1; + UINT8 Hd:1; + UINT8 Flags; + UINT8 Lun; + UINT8 TaskTag; /* Task Tag */ + + // + // DW1 + // + UINT8 Rsvd1[4]; + + // + // DW2 + // + UINT8 EhsLen; /* Total EHS Length - 0x00 */ + UINT8 Rsvd2; + UINT16 DataSegLen; /* Data Segment Length - Big Endian */ + + // + // DW3 + // + UINT32 DataBufOffset; /* Data Buffer Offset - Big Endian */ + + // + // DW4 + // + UINT32 DataTranCount; /* Data Transfer Count - Big Endian */ + + // + // DW5 - DW7 + // + UINT8 Rsvd3[12]; + + // + // Data Segment - Data to be sent out + // + //UINT8 Data[]; /* Data to be sent out, maximum is 65535 bytes */ +} UTP_DATA_OUT_UPIU; + +// +// UFS 2.0 Spec Section 10.5.6 - UTP Data-In UPIU +// +typedef struct { + // + // DW0 + // + UINT8 TransCode:6; /* Transaction Type - 0x22*/ + UINT8 Dd:1; + UINT8 Hd:1; + UINT8 Flags; + UINT8 Lun; + UINT8 TaskTag; /* Task Tag */ + + // + // DW1 + // + UINT8 Rsvd1[4]; + + // + // DW2 + // + UINT8 EhsLen; /* Total EHS Length - 0x00 */ + UINT8 Rsvd2; + UINT16 DataSegLen; /* Data Segment Length - Big Endian */ + + // + // DW3 + // + UINT32 DataBufOffset; /* Data Buffer Offset - Big Endian */ + + // + // DW4 + // + UINT32 DataTranCount; /* Data Transfer Count - Big Endian */ + + // + // DW5 - DW7 + // + UINT8 Rsvd3[12]; + + // + // Data Segment - Data to be read + // + //UINT8 Data[]; /* Data to be read, maximum is 65535 bytes */ +} UTP_DATA_IN_UPIU; + +// +// UFS 2.0 Spec Section 10.5.7 - UTP Ready-To-Transfer UPIU +// +typedef struct { + // + // DW0 + // + UINT8 TransCode:6; /* Transaction Type - 0x31*/ + UINT8 Dd:1; + UINT8 Hd:1; + UINT8 Flags; + UINT8 Lun; + UINT8 TaskTag; /* Task Tag */ + + // + // DW1 + // + UINT8 Rsvd1[4]; + + // + // DW2 + // + UINT8 EhsLen; /* Total EHS Length - 0x00 */ + UINT8 Rsvd2; + UINT16 DataSegLen; /* Data Segment Length - Big Endian - 0x0000 */ + + // + // DW3 + // + UINT32 DataBufOffset; /* Data Buffer Offset - Big Endian */ + + // + // DW4 + // + UINT32 DataTranCount; /* Data Transfer Count - Big Endian */ + + // + // DW5 - DW7 + // + UINT8 Rsvd3[12]; + + // + // Data Segment - Data to be read + // + //UINT8 Data[]; /* Data to be read, maximum is 65535 bytes */ +} UTP_RDY_TO_TRAN_UPIU; + +// +// UFS 2.0 Spec Section 10.5.8 - UTP Task Management Request UPIU +// +typedef struct { + // + // DW0 + // + UINT8 TransCode:6; /* Transaction Type - 0x04*/ + UINT8 Dd:1; + UINT8 Hd:1; + UINT8 Flags; + UINT8 Lun; + UINT8 TaskTag; /* Task Tag */ + + // + // DW1 + // + UINT8 Rsvd1; + UINT8 TskManFunc; /* Task Management Function */ + UINT8 Rsvd2[2]; + + // + // DW2 + // + UINT8 EhsLen; /* Total EHS Length - 0x00 */ + UINT8 Rsvd3; + UINT16 DataSegLen; /* Data Segment Length - Big Endian - 0x0000 */ + + // + // DW3 + // + UINT32 InputParam1; /* Input Parameter 1 - Big Endian */ + + // + // DW4 + // + UINT32 InputParam2; /* Input Parameter 2 - Big Endian */ + + // + // DW5 + // + UINT32 InputParam3; /* Input Parameter 3 - Big Endian */ + + // + // DW6 - DW7 + // + UINT8 Rsvd4[8]; +} UTP_TM_REQ_UPIU; + +// +// UFS 2.0 Spec Section 10.5.9 - UTP Task Management Response UPIU +// +typedef struct { + // + // DW0 + // + UINT8 TransCode:6; /* Transaction Type - 0x24*/ + UINT8 Dd:1; + UINT8 Hd:1; + UINT8 Flags; + UINT8 Lun; + UINT8 TaskTag; /* Task Tag */ + + // + // DW1 + // + UINT8 Rsvd1[2]; + UINT8 Resp; /* Response */ + UINT8 Rsvd2; + + // + // DW2 + // + UINT8 EhsLen; /* Total EHS Length - 0x00 */ + UINT8 Rsvd3; + UINT16 DataSegLen; /* Data Segment Length - Big Endian - 0x0000 */ + + // + // DW3 + // + UINT32 OutputParam1; /* Output Parameter 1 - Big Endian */ + + // + // DW4 + // + UINT32 OutputParam2; /* Output Parameter 2 - Big Endian */ + + // + // DW5 - DW7 + // + UINT8 Rsvd4[12]; +} UTP_TM_RESP_UPIU; + +// +// UTP Task Management Request Descriptor +// +typedef struct { + // + // DW0 + // + UINT32 Rsvd1:24; + UINT32 Int:1; /* Interrupt */ + UINT32 Rsvd2:7; + + // + // DW1 + // + UINT32 Rsvd3; + + // + // DW2 + // + UINT32 Ocs:8; /* Overall Command Status */ + UINT32 Rsvd4:24; + + // + // DW3 + // + UINT32 Rsvd5; + + // + // DW4 - DW11 + // + UTP_TM_REQ_UPIU TmReq; /* Task Management Request UPIU */ + + // + // DW12 - DW19 + // + UTP_TM_RESP_UPIU TmResp; /* Task Management Response UPIU */ +} UTP_TMRD; + + +typedef struct { + UINT8 Opcode; + UINT8 DescId; + UINT8 Index; + UINT8 Selector; + UINT16 Rsvd1; + UINT16 Length; + UINT32 Value; + UINT32 Rsvd2; +} UTP_UPIU_TSF; + +// +// UFS 2.0 Spec Section 10.5.10 - UTP Query Request UPIU +// +typedef struct { + // + // DW0 + // + UINT8 TransCode:6; /* Transaction Type - 0x16*/ + UINT8 Dd:1; + UINT8 Hd:1; + UINT8 Flags; + UINT8 Rsvd1; + UINT8 TaskTag; /* Task Tag */ + + // + // DW1 + // + UINT8 Rsvd2; + UINT8 QueryFunc; /* Query Function */ + UINT8 Rsvd3[2]; + + // + // DW2 + // + UINT8 EhsLen; /* Total EHS Length - 0x00 */ + UINT8 Rsvd4; + UINT16 DataSegLen; /* Data Segment Length - Big Endian */ + + // + // DW3 - 6 + // + UTP_UPIU_TSF Tsf; /* Transaction Specific Fields */ + + // + // DW7 + // + UINT8 Rsvd5[4]; + + // + // Data Segment - Data to be transferred + // + //UINT8 Data[]; /* Data to be transferred, maximum is 65535 bytes */ +} UTP_QUERY_REQ_UPIU; + +#define QUERY_FUNC_STD_READ_REQ 0x01 +#define QUERY_FUNC_STD_WRITE_REQ 0x81 + +typedef enum { + UtpQueryFuncOpcodeNop = 0x00, + UtpQueryFuncOpcodeRdDesc = 0x01, + UtpQueryFuncOpcodeWrDesc = 0x02, + UtpQueryFuncOpcodeRdAttr = 0x03, + UtpQueryFuncOpcodeWrAttr = 0x04, + UtpQueryFuncOpcodeRdFlag = 0x05, + UtpQueryFuncOpcodeSetFlag = 0x06, + UtpQueryFuncOpcodeClrFlag = 0x07, + UtpQueryFuncOpcodeTogFlag = 0x08 +} UTP_QUERY_FUNC_OPCODE; + +// +// UFS 2.0 Spec Section 10.5.11 - UTP Query Response UPIU +// +typedef struct { + // + // DW0 + // + UINT8 TransCode:6; /* Transaction Type - 0x36*/ + UINT8 Dd:1; + UINT8 Hd:1; + UINT8 Flags; + UINT8 Rsvd1; + UINT8 TaskTag; /* Task Tag */ + + // + // DW1 + // + UINT8 Rsvd2; + UINT8 QueryFunc; /* Query Function */ + UINT8 QueryResp; /* Query Response */ + UINT8 Rsvd3; + + // + // DW2 + // + UINT8 EhsLen; /* Total EHS Length - 0x00 */ + UINT8 DevInfo; /* Device Information */ + UINT16 DataSegLen; /* Data Segment Length - Big Endian */ + + // + // DW3 - 6 + // + UTP_UPIU_TSF Tsf; /* Transaction Specific Fields */ + + // + // DW7 + // + UINT8 Rsvd4[4]; + + // + // Data Segment - Data to be transferred + // + //UINT8 Data[]; /* Data to be transferred, maximum is 65535 bytes */ +} UTP_QUERY_RESP_UPIU; + +typedef enum { + UfsUtpQueryResponseSuccess = 0x00, + UfsUtpQueryResponseParamNotReadable = 0xF6, + UfsUtpQueryResponseParamNotWriteable = 0xF7, + UfsUtpQueryResponseParamAlreadyWritten = 0xF8, + UfsUtpQueryResponseInvalidLen = 0xF9, + UfsUtpQueryResponseInvalidVal = 0xFA, + UfsUtpQueryResponseInvalidSelector = 0xFB, + UfsUtpQueryResponseInvalidIndex = 0xFC, + UfsUtpQueryResponseInvalidIdn = 0xFD, + UfsUtpQueryResponseInvalidOpc = 0xFE, + UfsUtpQueryResponseGeneralFailure = 0xFF +} UTP_QUERY_RESP_CODE; + +// +// UFS 2.0 Spec Section 10.5.12 - UTP Reject UPIU +// +typedef struct { + // + // DW0 + // + UINT8 TransCode:6; /* Transaction Type - 0x3F*/ + UINT8 Dd:1; + UINT8 Hd:1; + UINT8 Flags; + UINT8 Lun; + UINT8 TaskTag; /* Task Tag */ + + // + // DW1 + // + UINT8 Rsvd1[2]; + UINT8 Response; /* Response - 0x01 */ + UINT8 Rsvd2; + + // + // DW2 + // + UINT8 EhsLen; /* Total EHS Length - 0x00 */ + UINT8 DevInfo; /* Device Information - 0x00 */ + UINT16 DataSegLen; /* Data Segment Length - Big Endian - 0x0000 */ + + // + // DW3 + // + UINT8 HdrSts; /* Basic Header Status */ + UINT8 Rsvd3; + UINT8 E2ESts; /* End-to-End Status */ + UINT8 Rsvd4; + + // + // DW4 - DW7 + // + UINT8 Rsvd5[16]; +} UTP_REJ_UPIU; + +// +// UFS 2.0 Spec Section 10.5.13 - UTP NOP OUT UPIU +// +typedef struct { + // + // DW0 + // + UINT8 TransCode:6; /* Transaction Type - 0x00*/ + UINT8 Dd:1; + UINT8 Hd:1; + UINT8 Flags; + UINT8 Rsvd1; + UINT8 TaskTag; /* Task Tag */ + + // + // DW1 + // + UINT8 Rsvd2[4]; + + // + // DW2 + // + UINT8 EhsLen; /* Total EHS Length - 0x00 */ + UINT8 Rsvd3; + UINT16 DataSegLen; /* Data Segment Length - Big Endian - 0x0000 */ + + // + // DW3 - DW7 + // + UINT8 Rsvd4[20]; +} UTP_NOP_OUT_UPIU; + +// +// UFS 2.0 Spec Section 10.5.14 - UTP NOP IN UPIU +// +typedef struct { + // + // DW0 + // + UINT8 TransCode:6; /* Transaction Type - 0x20*/ + UINT8 Dd:1; + UINT8 Hd:1; + UINT8 Flags; + UINT8 Rsvd1; + UINT8 TaskTag; /* Task Tag */ + + // + // DW1 + // + UINT8 Rsvd2[2]; + UINT8 Resp; /* Response - 0x00 */ + UINT8 Rsvd3; + + // + // DW2 + // + UINT8 EhsLen; /* Total EHS Length - 0x00 */ + UINT8 DevInfo; /* Device Information - 0x00 */ + UINT16 DataSegLen; /* Data Segment Length - Big Endian - 0x0000 */ + + // + // DW3 - DW7 + // + UINT8 Rsvd4[20]; +} UTP_NOP_IN_UPIU; + +// +// UFS Descriptors +// +typedef enum { + UfsDeviceDesc = 0x00, + UfsConfigDesc = 0x01, + UfsUnitDesc = 0x02, + UfsInterConnDesc = 0x04, + UfsStringDesc = 0x05, + UfsGeometryDesc = 0x07, + UfsPowerDesc = 0x08 +} UFS_DESC_IDN; + +// +// UFS 2.0 Spec Section 14.1.6.2 - Device Descriptor +// +typedef struct { + UINT8 Length; + UINT8 DescType; + UINT8 Device; + UINT8 DevClass; + UINT8 DevSubClass; + UINT8 Protocol; + UINT8 NumLun; + UINT8 NumWLun; + UINT8 BootEn; + UINT8 DescAccessEn; + UINT8 InitPowerMode; + UINT8 HighPriorityLun; + UINT8 SecureRemovalType; + UINT8 SecurityLun; + UINT8 BgOpsTermLat; + UINT8 InitActiveIccLevel; + UINT16 SpecVersion; + UINT16 ManufactureDate; + UINT8 ManufacturerName; + UINT8 ProductName; + UINT8 SerialName; + UINT8 OemId; + UINT16 ManufacturerId; + UINT8 Ud0BaseOffset; + UINT8 Ud0ConfParamLen; + UINT8 DevRttCap; + UINT16 PeriodicRtcUpdate; + UINT8 Rsvd1[17]; + UINT8 Rsvd2[16]; +} UFS_DEV_DESC; + +typedef struct { + UINT8 Length; + UINT8 DescType; + UINT8 Rsvd1; + UINT8 BootEn; + UINT8 DescAccessEn; + UINT8 InitPowerMode; + UINT8 HighPriorityLun; + UINT8 SecureRemovalType; + UINT8 InitActiveIccLevel; + UINT16 PeriodicRtcUpdate; + UINT8 Rsvd2[5]; +} UFS_CONFIG_DESC_GEN_HEADER; + +typedef struct { + UINT8 LunEn; + UINT8 BootLunId; + UINT8 LunWriteProt; + UINT8 MemType; + UINT32 NumAllocUnits; + UINT8 DataReliability; + UINT8 LogicBlkSize; + UINT8 ProvisionType; + UINT16 CtxCap; + UINT8 Rsvd1[3]; +} UFS_UNIT_DESC_CONFIG_PARAMS; + +// +// UFS 2.0 Spec Section 14.1.6.3 - Configuration Descriptor +// +typedef struct { + UFS_CONFIG_DESC_GEN_HEADER Header; + UFS_UNIT_DESC_CONFIG_PARAMS UnitDescConfParams[8]; +} UFS_CONFIG_DESC; + +// +// UFS 2.0 Spec Section 14.1.6.4 - Geometry Descriptor +// +typedef struct { + UINT8 Length; + UINT8 DescType; + UINT8 MediaTech; + UINT8 Rsvd1; + UINT64 TotalRawDevCapacity; + UINT8 Rsvd2; + UINT32 SegSize; + UINT8 AllocUnitSize; + UINT8 MinAddrBlkSize; + UINT8 OptReadBlkSize; + UINT8 OptWriteBlkSize; + UINT8 MaxInBufSize; + UINT8 MaxOutBufSize; + UINT8 RpmbRwSize; + UINT8 Rsvd3; + UINT8 DataOrder; + UINT8 MaxCtxIdNum; + UINT8 SysDataTagUnitSize; + UINT8 SysDataResUnitSize; + UINT8 SupSecRemovalTypes; + UINT16 SupMemTypes; + UINT32 SysCodeMaxNumAllocUnits; + UINT16 SupCodeCapAdjFac; + UINT32 NonPersMaxNumAllocUnits; + UINT16 NonPersCapAdjFac; + UINT32 Enhance1MaxNumAllocUnits; + UINT16 Enhance1CapAdjFac; + UINT32 Enhance2MaxNumAllocUnits; + UINT16 Enhance2CapAdjFac; + UINT32 Enhance3MaxNumAllocUnits; + UINT16 Enhance3CapAdjFac; + UINT32 Enhance4MaxNumAllocUnits; + UINT16 Enhance4CapAdjFac; +} UFS_GEOMETRY_DESC; + +// +// UFS 2.0 Spec Section 14.1.6.5 - Unit Descriptor +// +typedef struct { + UINT8 Length; + UINT8 DescType; + UINT8 UnitIdx; + UINT8 LunEn; + UINT8 BootLunId; + UINT8 LunWriteProt; + UINT8 LunQueueDep; + UINT8 Rsvd1; + UINT8 MemType; + UINT8 DataReliability; + UINT8 LogicBlkSize; + UINT64 LogicBlkCount; + UINT32 EraseBlkSize; + UINT8 ProvisionType; + UINT64 PhyMemResCount; + UINT16 CtxCap; + UINT8 LargeUnitGranularity; +} UFS_UNIT_DESC; + +// +// UFS 2.0 Spec Section 14.1.6.6 - RPMB Unit Descriptor +// +typedef struct { + UINT8 Length; + UINT8 DescType; + UINT8 UnitIdx; + UINT8 LunEn; + UINT8 BootLunId; + UINT8 LunWriteProt; + UINT8 LunQueueDep; + UINT8 Rsvd1; + UINT8 MemType; + UINT8 Rsvd2; + UINT8 LogicBlkSize; + UINT64 LogicBlkCount; + UINT32 EraseBlkSize; + UINT8 ProvisionType; + UINT64 PhyMemResCount; + UINT8 Rsvd3[3]; +} UFS_RPMB_UNIT_DESC; + +typedef struct { + UINT16 Value:10; + UINT16 Rsvd1:4; + UINT16 Unit:2; +} UFS_POWER_PARAM_ELEMENT; + +// +// UFS 2.0 Spec Section 14.1.6.7 - Power Parameter Descriptor +// +typedef struct { + UINT8 Length; + UINT8 DescType; + UFS_POWER_PARAM_ELEMENT ActiveIccLevelVcc[16]; + UFS_POWER_PARAM_ELEMENT ActiveIccLevelVccQ[16]; + UFS_POWER_PARAM_ELEMENT ActiveIccLevelVccQ2[16]; +} UFS_POWER_DESC; + +// +// UFS 2.0 Spec Section 14.1.6.8 - InterConnect Descriptor +// +typedef struct { + UINT8 Length; + UINT8 DescType; + UINT16 UniProVer; + UINT16 MphyVer; +} UFS_INTER_CONNECT_DESC; + +// +// UFS 2.0 Spec Section 14.1.6.9 - 14.1.6.12 - String Descriptor +// +typedef struct { + UINT8 Length; + UINT8 DescType; + CHAR16 Unicode[126]; +} UFS_STRING_DESC; + +// +// UFS 2.0 Spec Section 14.2 - Flags +// +typedef enum { + UfsFlagDevInit = 0x01, + UfsFlagPermWpEn = 0x02, + UfsFlagPowerOnWpEn = 0x03, + UfsFlagBgOpsEn = 0x04, + UfsFlagPurgeEn = 0x06, + UfsFlagPhyResRemoval = 0x08, + UfsFlagBusyRtc = 0x09, + UfsFlagPermDisFwUpdate = 0x0B +} UFS_FLAGS_IDN; + +// +// UFS 2.0 Spec Section 14.2 - Attributes +// +typedef enum { + UfsAttrBootLunEn = 0x00, + UfsAttrCurPowerMode = 0x02, + UfsAttrActiveIccLevel = 0x03, + UfsAttrOutOfOrderDataEn = 0x04, + UfsAttrBgOpStatus = 0x05, + UfsAttrPurgeStatus = 0x06, + UfsAttrMaxDataInSize = 0x07, + UfsAttrMaxDataOutSize = 0x08, + UfsAttrDynCapNeeded = 0x09, + UfsAttrRefClkFreq = 0x0a, + UfsAttrConfigDescLock = 0x0b, + UfsAttrMaxNumOfRtt = 0x0c, + UfsAttrExceptionEvtCtrl = 0x0d, + UfsAttrExceptionEvtSts = 0x0e, + UfsAttrSecondsPassed = 0x0f, + UfsAttrContextConf = 0x10, + UfsAttrCorrPrgBlkNum = 0x11 +} UFS_ATTR_IDN; + +typedef enum { + UfsNoData = 0, + UfsDataOut = 1, + UfsDataIn = 2, + UfsDdReserved +} UFS_DATA_DIRECTION; + + +#pragma pack() + +#endif + -- cgit 1.2.3-korg