/** @file
Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef _UFS_BLOCK_IO_PEI_H_
#define _UFS_BLOCK_IO_PEI_H_
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include
#include "UfsHci.h"
#include "UfsHcMem.h"
#define UFS_PEIM_HC_SIG SIGNATURE_32 ('U', 'F', 'S', 'H')
#define UFS_PEIM_MAX_LUNS 8
typedef struct {
UINT8 Lun[UFS_PEIM_MAX_LUNS];
UINT16 BitMask:12; // Bit 0~7 is for common luns. Bit 8~11 is reserved for those well known luns
UINT16 Rsvd:4;
} UFS_PEIM_EXPOSED_LUNS;
typedef struct {
///
/// The timeout, in 100 ns units, to use for the execution of this SCSI
/// Request Packet. A Timeout value of 0 means that this function
/// will wait indefinitely for the SCSI Request Packet to execute. If
/// Timeout is greater than zero, then this function will return
/// EFI_TIMEOUT if the time required to execute the SCSI
/// Request Packet is greater than Timeout.
///
UINT64 Timeout;
///
/// A pointer to the data buffer to transfer between the SCSI
/// controller and the SCSI device for read and bidirectional commands.
///
VOID *InDataBuffer;
///
/// A pointer to the data buffer to transfer between the SCSI
/// controller and the SCSI device for write or bidirectional commands.
///
VOID *OutDataBuffer;
///
/// A pointer to the sense data that was generated by the execution of
/// the SCSI Request Packet.
///
VOID *SenseData;
///
/// A pointer to buffer that contains the Command Data Block to
/// send to the SCSI device specified by Target and Lun.
///
VOID *Cdb;
///
/// On Input, the size, in bytes, of InDataBuffer. On output, the
/// number of bytes transferred between the SCSI controller and the SCSI device.
///
UINT32 InTransferLength;
///
/// On Input, the size, in bytes of OutDataBuffer. On Output, the
/// Number of bytes transferred between SCSI Controller and the SCSI device.
///
UINT32 OutTransferLength;
///
/// The length, in bytes, of the buffer Cdb. The standard values are 6,
/// 10, 12, and 16, but other values are possible if a variable length CDB is used.
///
UINT8 CdbLength;
///
/// The direction of the data transfer. 0 for reads, 1 for writes. A
/// value of 2 is Reserved for Bi-Directional SCSI commands.
///
UINT8 DataDirection;
///
/// On input, the length in bytes of the SenseData buffer. On
/// output, the number of bytes written to the SenseData buffer.
///
UINT8 SenseDataLength;
} UFS_SCSI_REQUEST_PACKET;
typedef struct _UFS_PEIM_HC_PRIVATE_DATA {
UINT32 Signature;
EFI_HANDLE Controller;
UFS_PEIM_MEM_POOL *Pool;
EFI_PEI_RECOVERY_BLOCK_IO_PPI BlkIoPpi;
EFI_PEI_RECOVERY_BLOCK_IO2_PPI BlkIo2Ppi;
EFI_PEI_PPI_DESCRIPTOR BlkIoPpiList;
EFI_PEI_PPI_DESCRIPTOR BlkIo2PpiList;
EFI_PEI_BLOCK_IO2_MEDIA Media[UFS_PEIM_MAX_LUNS];
//
// EndOfPei callback is used to stop the UFS DMA operation
// after exit PEI phase.
//
EFI_PEI_NOTIFY_DESCRIPTOR EndOfPeiNotifyList;
UINTN UfsHcBase;
UINT32 Capabilities;
UINT8 TaskTag;
VOID *UtpTrlBase;
UINT8 Nutrs;
VOID *TrlMapping;
VOID *UtpTmrlBase;
UINT8 Nutmrs;
VOID *TmrlMapping;
UFS_PEIM_EXPOSED_LUNS Luns;
} UFS_PEIM_HC_PRIVATE_DATA;
#define UFS_TIMEOUT MultU64x32((UINT64)(3), 10000000)
#define ROUNDUP8(x) (((x) % 8 == 0) ? (x) : ((x) / 8 + 1) * 8)
#define IS_ALIGNED(addr, size) (((UINTN) (addr) & (size - 1)) == 0)
#define GET_UFS_PEIM_HC_PRIVATE_DATA_FROM_THIS(a) CR (a, UFS_PEIM_HC_PRIVATE_DATA, BlkIoPpi, UFS_PEIM_HC_SIG)
#define GET_UFS_PEIM_HC_PRIVATE_DATA_FROM_THIS2(a) CR (a, UFS_PEIM_HC_PRIVATE_DATA, BlkIo2Ppi, UFS_PEIM_HC_SIG)
#define GET_UFS_PEIM_HC_PRIVATE_DATA_FROM_THIS_NOTIFY(a) CR (a, UFS_PEIM_HC_PRIVATE_DATA, EndOfPeiNotifyList, UFS_PEIM_HC_SIG)
#define UFS_SCSI_OP_LENGTH_SIX 0x6
#define UFS_SCSI_OP_LENGTH_TEN 0xa
#define UFS_SCSI_OP_LENGTH_SIXTEEN 0x10
typedef struct _UFS_DEVICE_MANAGEMENT_REQUEST_PACKET {
UINT64 Timeout;
VOID *InDataBuffer;
VOID *OutDataBuffer;
UINT8 Opcode;
UINT8 DescId;
UINT8 Index;
UINT8 Selector;
UINT32 InTransferLength;
UINT32 OutTransferLength;
UINT8 DataDirection;
UINT8 Ocs;
} UFS_DEVICE_MANAGEMENT_REQUEST_PACKET;
/**
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_PEIM_HC_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.
@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_PEIM_HC_PRIVATE_DATA *Private,
IN UINT8 Lun,
IN OUT UFS_SCSI_REQUEST_PACKET *Packet
);
/**
Initialize the UFS host controller.
@param[in] Private The pointer to the UFS_PEIM_HC_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_PEIM_HC_PRIVATE_DATA *Private
);
/**
Stop the UFS host controller.
@param[in] Private The pointer to the UFS_PEIM_HC_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_PEIM_HC_PRIVATE_DATA *Private
);
/**
Set specified flag to 1 on a UFS device.
@param[in] Private The pointer to the UFS_PEIM_HC_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_PEIM_HC_PRIVATE_DATA *Private,
IN UINT8 FlagId
);
/**
Read or write specified device descriptor of a UFS device.
@param[in] Private The pointer to the UFS_PEIM_HC_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] DescSize The size of device descriptor buffer.
@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_PEIM_HC_PRIVATE_DATA *Private,
IN BOOLEAN Read,
IN UINT8 DescId,
IN UINT8 Index,
IN UINT8 Selector,
IN OUT VOID *Descriptor,
IN UINT32 DescSize
);
/**
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_PEIM_HC_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_PEIM_HC_PRIVATE_DATA *Private
);
/**
Gets the count of block I/O devices that one specific block driver detects.
This function is used for getting the count of block I/O devices that one
specific block driver detects. To the PEI ATAPI driver, it returns the number
of all the detected ATAPI devices it detects during the enumeration process.
To the PEI legacy floppy driver, it returns the number of all the legacy
devices it finds during its enumeration process. If no device is detected,
then the function will return zero.
@param[in] PeiServices General-purpose services that are available
to every PEIM.
@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO_PPI
instance.
@param[out] NumberBlockDevices The number of block I/O devices discovered.
@retval EFI_SUCCESS The operation performed successfully.
**/
EFI_STATUS
EFIAPI
UfsBlockIoPeimGetDeviceNo (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_RECOVERY_BLOCK_IO_PPI *This,
OUT UINTN *NumberBlockDevices
);
/**
Gets a block device's media information.
This function will provide the caller with the specified block device's media
information. If the media changes, calling this function will update the media
information accordingly.
@param[in] PeiServices General-purpose services that are available to every
PEIM
@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO_PPI instance.
@param[in] DeviceIndex Specifies the block device to which the function wants
to talk. Because the driver that implements Block I/O
PPIs will manage multiple block devices, the PPIs that
want to talk to a single device must specify the
device index that was assigned during the enumeration
process. This index is a number from one to
NumberBlockDevices.
@param[out] MediaInfo The media information of the specified block media.
The caller is responsible for the ownership of this
data structure.
@par Note:
The MediaInfo structure describes an enumeration of possible block device
types. This enumeration exists because no device paths are actually passed
across interfaces that describe the type or class of hardware that is publishing
the block I/O interface. This enumeration will allow for policy decisions
in the Recovery PEIM, such as "Try to recover from legacy floppy first,
LS-120 second, CD-ROM third." If there are multiple partitions abstracted
by a given device type, they should be reported in ascending order; this
order also applies to nested partitions, such as legacy MBR, where the
outermost partitions would have precedence in the reporting order. The
same logic applies to systems such as IDE that have precedence relationships
like "Master/Slave" or "Primary/Secondary". The master device should be
reported first, the slave second.
@retval EFI_SUCCESS Media information about the specified block device
was obtained successfully.
@retval EFI_DEVICE_ERROR Cannot get the media information due to a hardware
error.
**/
EFI_STATUS
EFIAPI
UfsBlockIoPeimGetMediaInfo (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_RECOVERY_BLOCK_IO_PPI *This,
IN UINTN DeviceIndex,
OUT EFI_PEI_BLOCK_IO_MEDIA *MediaInfo
);
/**
Reads the requested number of blocks from the specified block device.
The function reads the requested number of blocks from the device. All the
blocks are read, or an error is returned. If there is no media in the device,
the function returns EFI_NO_MEDIA.
@param[in] PeiServices General-purpose services that are available to
every PEIM.
@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO_PPI instance.
@param[in] DeviceIndex Specifies the block device to which the function wants
to talk. Because the driver that implements Block I/O
PPIs will manage multiple block devices, PPIs that
want to talk to a single device must specify the device
index that was assigned during the enumeration process.
This index is a number from one to NumberBlockDevices.
@param[in] StartLBA The starting logical block address (LBA) to read from
on the device
@param[in] BufferSize The size of the Buffer in bytes. This number must be
a multiple of the intrinsic block size of the device.
@param[out] Buffer A pointer to the destination buffer for the data.
The caller is responsible for the ownership of the
buffer.
@retval EFI_SUCCESS The data was read correctly from the device.
@retval EFI_DEVICE_ERROR The device reported an error while attempting
to perform the read operation.
@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not
valid, or the buffer is not properly aligned.
@retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of
the intrinsic block size of the device.
**/
EFI_STATUS
EFIAPI
UfsBlockIoPeimReadBlocks (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_RECOVERY_BLOCK_IO_PPI *This,
IN UINTN DeviceIndex,
IN EFI_PEI_LBA StartLBA,
IN UINTN BufferSize,
OUT VOID *Buffer
);
/**
Gets the count of block I/O devices that one specific block driver detects.
This function is used for getting the count of block I/O devices that one
specific block driver detects. To the PEI ATAPI driver, it returns the number
of all the detected ATAPI devices it detects during the enumeration process.
To the PEI legacy floppy driver, it returns the number of all the legacy
devices it finds during its enumeration process. If no device is detected,
then the function will return zero.
@param[in] PeiServices General-purpose services that are available
to every PEIM.
@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO2_PPI
instance.
@param[out] NumberBlockDevices The number of block I/O devices discovered.
@retval EFI_SUCCESS The operation performed successfully.
**/
EFI_STATUS
EFIAPI
UfsBlockIoPeimGetDeviceNo2 (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_RECOVERY_BLOCK_IO2_PPI *This,
OUT UINTN *NumberBlockDevices
);
/**
Gets a block device's media information.
This function will provide the caller with the specified block device's media
information. If the media changes, calling this function will update the media
information accordingly.
@param[in] PeiServices General-purpose services that are available to every
PEIM
@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO2_PPI instance.
@param[in] DeviceIndex Specifies the block device to which the function wants
to talk. Because the driver that implements Block I/O
PPIs will manage multiple block devices, the PPIs that
want to talk to a single device must specify the
device index that was assigned during the enumeration
process. This index is a number from one to
NumberBlockDevices.
@param[out] MediaInfo The media information of the specified block media.
The caller is responsible for the ownership of this
data structure.
@par Note:
The MediaInfo structure describes an enumeration of possible block device
types. This enumeration exists because no device paths are actually passed
across interfaces that describe the type or class of hardware that is publishing
the block I/O interface. This enumeration will allow for policy decisions
in the Recovery PEIM, such as "Try to recover from legacy floppy first,
LS-120 second, CD-ROM third." If there are multiple partitions abstracted
by a given device type, they should be reported in ascending order; this
order also applies to nested partitions, such as legacy MBR, where the
outermost partitions would have precedence in the reporting order. The
same logic applies to systems such as IDE that have precedence relationships
like "Master/Slave" or "Primary/Secondary". The master device should be
reported first, the slave second.
@retval EFI_SUCCESS Media information about the specified block device
was obtained successfully.
@retval EFI_DEVICE_ERROR Cannot get the media information due to a hardware
error.
**/
EFI_STATUS
EFIAPI
UfsBlockIoPeimGetMediaInfo2 (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_RECOVERY_BLOCK_IO2_PPI *This,
IN UINTN DeviceIndex,
OUT EFI_PEI_BLOCK_IO2_MEDIA *MediaInfo
);
/**
Reads the requested number of blocks from the specified block device.
The function reads the requested number of blocks from the device. All the
blocks are read, or an error is returned. If there is no media in the device,
the function returns EFI_NO_MEDIA.
@param[in] PeiServices General-purpose services that are available to
every PEIM.
@param[in] This Indicates the EFI_PEI_RECOVERY_BLOCK_IO2_PPI instance.
@param[in] DeviceIndex Specifies the block device to which the function wants
to talk. Because the driver that implements Block I/O
PPIs will manage multiple block devices, PPIs that
want to talk to a single device must specify the device
index that was assigned during the enumeration process.
This index is a number from one to NumberBlockDevices.
@param[in] StartLBA The starting logical block address (LBA) to read from
on the device
@param[in] BufferSize The size of the Buffer in bytes. This number must be
a multiple of the intrinsic block size of the device.
@param[out] Buffer A pointer to the destination buffer for the data.
The caller is responsible for the ownership of the
buffer.
@retval EFI_SUCCESS The data was read correctly from the device.
@retval EFI_DEVICE_ERROR The device reported an error while attempting
to perform the read operation.
@retval EFI_INVALID_PARAMETER The read request contains LBAs that are not
valid, or the buffer is not properly aligned.
@retval EFI_NO_MEDIA There is no media in the device.
@retval EFI_BAD_BUFFER_SIZE The BufferSize parameter is not a multiple of
the intrinsic block size of the device.
**/
EFI_STATUS
EFIAPI
UfsBlockIoPeimReadBlocks2 (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_RECOVERY_BLOCK_IO2_PPI *This,
IN UINTN DeviceIndex,
IN EFI_PEI_LBA StartLBA,
IN UINTN BufferSize,
OUT VOID *Buffer
);
/**
Initialize the memory management pool for the host controller.
@param Private The Ufs Peim driver private data.
@retval EFI_SUCCESS The memory pool is initialized.
@retval Others Fail to init the memory pool.
**/
EFI_STATUS
UfsPeimInitMemPool (
IN UFS_PEIM_HC_PRIVATE_DATA *Private
);
/**
Release the memory management pool.
@param Pool The memory pool to free.
@retval EFI_DEVICE_ERROR Fail to free the memory pool.
@retval EFI_SUCCESS The memory pool is freed.
**/
EFI_STATUS
UfsPeimFreeMemPool (
IN UFS_PEIM_MEM_POOL *Pool
);
/**
Allocate some memory from the host controller's memory pool
which can be used to communicate with host controller.
@param Pool The host controller's memory pool.
@param Size Size of the memory to allocate.
@return The allocated memory or NULL.
**/
VOID *
UfsPeimAllocateMem (
IN UFS_PEIM_MEM_POOL *Pool,
IN UINTN Size
);
/**
Free the allocated memory back to the memory pool.
@param Pool The memory pool of the host controller.
@param Mem The memory to free.
@param Size The size of the memory to free.
**/
VOID
UfsPeimFreeMem (
IN UFS_PEIM_MEM_POOL *Pool,
IN VOID *Mem,
IN UINTN Size
);
/**
Initialize IOMMU.
**/
VOID
IoMmuInit (
VOID
);
/**
Provides the controller-specific addresses required to access system memory from a
DMA bus master.
@param Operation Indicates if the bus master is going to read or write to system memory.
@param HostAddress The system memory address to map to the PCI controller.
@param NumberOfBytes On input the number of bytes to map. On output the number of bytes
that were mapped.
@param DeviceAddress The resulting map address for the bus master PCI controller to use to
access the hosts HostAddress.
@param Mapping A resulting value to pass to Unmap().
@retval EFI_SUCCESS The range was mapped for the returned NumberOfBytes.
@retval EFI_UNSUPPORTED The HostAddress cannot be mapped as a common buffer.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_OUT_OF_RESOURCES The request could not be completed due to a lack of resources.
@retval EFI_DEVICE_ERROR The system hardware could not map the requested address.
**/
EFI_STATUS
IoMmuMap (
IN EDKII_IOMMU_OPERATION Operation,
IN VOID *HostAddress,
IN OUT UINTN *NumberOfBytes,
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
OUT VOID **Mapping
);
/**
Completes the Map() operation and releases any corresponding resources.
@param Mapping The mapping value returned from Map().
@retval EFI_SUCCESS The range was unmapped.
@retval EFI_INVALID_PARAMETER Mapping is not a value that was returned by Map().
@retval EFI_DEVICE_ERROR The data was not committed to the target system memory.
**/
EFI_STATUS
IoMmuUnmap (
IN VOID *Mapping
);
/**
Allocates pages that are suitable for an OperationBusMasterCommonBuffer or
OperationBusMasterCommonBuffer64 mapping.
@param Pages The number of pages to allocate.
@param HostAddress A pointer to store the base system memory address of the
allocated range.
@param DeviceAddress The resulting map address for the bus master PCI controller to use to
access the hosts HostAddress.
@param Mapping A resulting value to pass to Unmap().
@retval EFI_SUCCESS The requested memory pages were allocated.
@retval EFI_UNSUPPORTED Attributes is unsupported. The only legal attribute bits are
MEMORY_WRITE_COMBINE and MEMORY_CACHED.
@retval EFI_INVALID_PARAMETER One or more parameters are invalid.
@retval EFI_OUT_OF_RESOURCES The memory pages could not be allocated.
**/
EFI_STATUS
IoMmuAllocateBuffer (
IN UINTN Pages,
OUT VOID **HostAddress,
OUT EFI_PHYSICAL_ADDRESS *DeviceAddress,
OUT VOID **Mapping
);
/**
Frees memory that was allocated with AllocateBuffer().
@param Pages The number of pages to free.
@param HostAddress The base system memory address of the allocated range.
@param Mapping The mapping value returned from Map().
@retval EFI_SUCCESS The requested memory pages were freed.
@retval EFI_INVALID_PARAMETER The memory range specified by HostAddress and Pages
was not allocated with AllocateBuffer().
**/
EFI_STATUS
IoMmuFreeBuffer (
IN UINTN Pages,
IN VOID *HostAddress,
IN VOID *Mapping
);
/**
One notified function to cleanup the allocated DMA buffers at the end of PEI.
@param[in] PeiServices Pointer to PEI Services Table.
@param[in] NotifyDescriptor Pointer to the descriptor for the Notification
event that caused this function to execute.
@param[in] Ppi Pointer to the PPI data associated with this function.
@retval EFI_SUCCESS The function completes successfully
**/
EFI_STATUS
EFIAPI
UfsEndOfPei (
IN EFI_PEI_SERVICES **PeiServices,
IN EFI_PEI_NOTIFY_DESCRIPTOR *NotifyDescriptor,
IN VOID *Ppi
);
#endif