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Diffstat (limited to 'MdeModulePkg/Bus/Ufs/UfsBlockIoPei/UfsBlockIoPei.h')
| -rw-r--r-- | MdeModulePkg/Bus/Ufs/UfsBlockIoPei/UfsBlockIoPei.h | 434 |
1 files changed, 434 insertions, 0 deletions
diff --git a/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/UfsBlockIoPei.h b/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/UfsBlockIoPei.h new file mode 100644 index 0000000000..835b9c61cf --- /dev/null +++ b/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/UfsBlockIoPei.h @@ -0,0 +1,434 @@ +/** @file
+
+ Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>
+ 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 <PiPei.h>
+
+#include <Ppi/UfsHostController.h>
+#include <Ppi/BlockIo.h>
+
+#include <Library/DebugLib.h>
+#include <Library/BaseLib.h>
+#include <Library/BaseMemoryLib.h>
+#include <Library/MemoryAllocationLib.h>
+#include <Library/IoLib.h>
+#include <Library/TimerLib.h>
+#include <Library/PeiServicesLib.h>
+
+#include <IndustryStandard/Scsi.h>
+
+#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_PPI_DESCRIPTOR BlkIoPpiList;
+ EFI_PEI_BLOCK_IO_MEDIA Media[UFS_PEIM_MAX_LUNS];
+
+ UINTN UfsHcBase;
+ UINT32 Capabilities;
+
+ UINT8 TaskTag;
+
+ VOID *UtpTrlBase;
+ UINT8 Nutrs;
+ VOID *UtpTmrlBase;
+ UINT8 Nutmrs;
+
+ 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 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
+ );
+
+/**
+ 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
+ );
+
+/**
+ 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
+ );
+
+#endif
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