/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Universal Flash Storage Host controller driver
* Copyright (C) 2011-2013 Samsung India Software Operations
*
* Authors:
* Santosh Yaraganavi <santosh.sy@samsung.com>
* Vinayak Holikatti <h.vinayak@samsung.com>
*/
#ifndef _UFSHCI_H
#define _UFSHCI_H
#include <linux/types.h>
#include <ufs/ufs.h>
enum {
TASK_REQ_UPIU_SIZE_DWORDS = 8 ,
TASK_RSP_UPIU_SIZE_DWORDS = 8 ,
ALIGNED_UPIU_SIZE = 512 ,
};
/* UFSHCI Registers */
enum {
REG_CONTROLLER_CAPABILITIES = 0 x00,
REG_MCQCAP = 0 x04,
REG_UFS_VERSION = 0 x08,
REG_EXT_CONTROLLER_CAPABILITIES = 0 x0C,
REG_CONTROLLER_PID = 0 x10,
REG_CONTROLLER_MID = 0 x14,
REG_AUTO_HIBERNATE_IDLE_TIMER = 0 x18,
REG_INTERRUPT_STATUS = 0 x20,
REG_INTERRUPT_ENABLE = 0 x24,
REG_CONTROLLER_STATUS = 0 x30,
REG_CONTROLLER_ENABLE = 0 x34,
REG_UIC_ERROR_CODE_PHY_ADAPTER_LAYER = 0 x38,
REG_UIC_ERROR_CODE_DATA_LINK_LAYER = 0 x3C,
REG_UIC_ERROR_CODE_NETWORK_LAYER = 0 x40,
REG_UIC_ERROR_CODE_TRANSPORT_LAYER = 0 x44,
REG_UIC_ERROR_CODE_DME = 0 x48,
REG_UTP_TRANSFER_REQ_INT_AGG_CONTROL = 0 x4C,
REG_UTP_TRANSFER_REQ_LIST_BASE_L = 0 x50,
REG_UTP_TRANSFER_REQ_LIST_BASE_H = 0 x54,
REG_UTP_TRANSFER_REQ_DOOR_BELL = 0 x58,
REG_UTP_TRANSFER_REQ_LIST_CLEAR = 0 x5C,
REG_UTP_TRANSFER_REQ_LIST_RUN_STOP = 0 x60,
REG_UTP_TASK_REQ_LIST_BASE_L = 0 x70,
REG_UTP_TASK_REQ_LIST_BASE_H = 0 x74,
REG_UTP_TASK_REQ_DOOR_BELL = 0 x78,
REG_UTP_TASK_REQ_LIST_CLEAR = 0 x7C,
REG_UTP_TASK_REQ_LIST_RUN_STOP = 0 x80,
REG_UIC_COMMAND = 0 x90,
REG_UIC_COMMAND_ARG_1 = 0 x94,
REG_UIC_COMMAND_ARG_2 = 0 x98,
REG_UIC_COMMAND_ARG_3 = 0 x9C,
UFSHCI_REG_SPACE_SIZE = 0 xA0,
REG_UFS_CCAP = 0 x100,
REG_UFS_CRYPTOCAP = 0 x104,
REG_UFS_MEM_CFG = 0 x300,
REG_UFS_MCQ_CFG = 0 x380,
REG_UFS_ESILBA = 0 x384,
REG_UFS_ESIUBA = 0 x388,
UFSHCI_CRYPTO_REG_SPACE_SIZE = 0 x400,
};
/* Controller capability masks */
enum {
MASK_TRANSFER_REQUESTS_SLOTS_SDB = 0 x0000001F,
MASK_TRANSFER_REQUESTS_SLOTS_MCQ = 0 x000000FF,
MASK_NUMBER_OUTSTANDING_RTT = 0 x0000FF00,
MASK_TASK_MANAGEMENT_REQUEST_SLOTS = 0 x00070000,
MASK_EHSLUTRD_SUPPORTED = 0 x00400000,
MASK_AUTO_HIBERN8_SUPPORT = 0 x00800000,
MASK_64_ADDRESSING_SUPPORT = 0 x01000000,
MASK_OUT_OF_ORDER_DATA_DELIVERY_SUPPORT = 0 x02000000,
MASK_UIC_DME_TEST_MODE_SUPPORT = 0 x04000000,
MASK_CRYPTO_SUPPORT = 0 x10000000,
MASK_LSDB_SUPPORT = 0 x20000000,
MASK_MCQ_SUPPORT = 0 x40000000,
};
enum {
REG_SQATTR = 0 x0,
REG_SQLBA = 0 x4,
REG_SQUBA = 0 x8,
REG_SQDAO = 0 xC,
REG_SQISAO = 0 x10,
REG_CQATTR = 0 x20,
REG_CQLBA = 0 x24,
REG_CQUBA = 0 x28,
REG_CQDAO = 0 x2C,
REG_CQISAO = 0 x30,
};
enum {
REG_SQHP = 0 x0,
REG_SQTP = 0 x4,
REG_SQRTC = 0 x8,
REG_SQCTI = 0 xC,
REG_SQRTS = 0 x10,
};
enum {
REG_CQHP = 0 x0,
REG_CQTP = 0 x4,
};
enum {
REG_CQIS = 0 x0,
REG_CQIE = 0 x4,
};
enum {
SQ_START = 0 x0,
SQ_STOP = 0 x1,
SQ_ICU = 0 x2,
};
enum {
SQ_STS = 0 x1,
SQ_CUS = 0 x2,
};
#define SQ_ICU_ERR_CODE_MASK GENMASK(7 , 4 )
#define UFS_MASK(mask, offset) ((mask) << (offset))
/* UFS Version 08h */
#define MINOR_VERSION_NUM_MASK UFS_MASK(0 xFFFF, 0 )
#define MAJOR_VERSION_NUM_MASK UFS_MASK(0 xFFFF, 16 )
#define UFSHCD_NUM_RESERVED 1
/*
* Controller UFSHCI version
* - 2.x and newer use the following scheme:
* major << 8 + minor << 4
* - 1.x has been converted to match this in
* ufshcd_get_ufs_version()
*/
static inline u32 ufshci_version(u32 major, u32 minor)
{
return (major << 8 ) + (minor << 4 );
}
/*
* HCDDID - Host Controller Identification Descriptor
* - Device ID and Device Class 10h
*/
#define DEVICE_CLASS UFS_MASK(0 xFFFF, 0 )
#define DEVICE_ID UFS_MASK(0 xFF, 24 )
/*
* HCPMID - Host Controller Identification Descriptor
* - Product/Manufacturer ID 14h
*/
#define MANUFACTURE_ID_MASK UFS_MASK(0 xFFFF, 0 )
#define PRODUCT_ID_MASK UFS_MASK(0 xFFFF, 16 )
/* AHIT - Auto-Hibernate Idle Timer */
#define UFSHCI_AHIBERN8_TIMER_MASK GENMASK(9 , 0 )
#define UFSHCI_AHIBERN8_SCALE_MASK GENMASK(12 , 10 )
#define UFSHCI_AHIBERN8_SCALE_FACTOR 10
#define UFSHCI_AHIBERN8_MAX (1023 * 100000 )
/*
* IS - Interrupt Status - 20h
*/
#define UTP_TRANSFER_REQ_COMPL 0 x1
#define UIC_DME_END_PT_RESET 0 x2
#define UIC_ERROR 0 x4
#define UIC_TEST_MODE 0 x8
#define UIC_POWER_MODE 0 x10
#define UIC_HIBERNATE_EXIT 0 x20
#define UIC_HIBERNATE_ENTER 0 x40
#define UIC_LINK_LOST 0 x80
#define UIC_LINK_STARTUP 0 x100
#define UTP_TASK_REQ_COMPL 0 x200
#define UIC_COMMAND_COMPL 0 x400
#define DEVICE_FATAL_ERROR 0 x800
#define UTP_ERROR 0 x1000
#define CONTROLLER_FATAL_ERROR 0 x10000
#define SYSTEM_BUS_FATAL_ERROR 0 x20000
#define CRYPTO_ENGINE_FATAL_ERROR 0 x40000
#define MCQ_CQ_EVENT_STATUS 0 x100000
#define UFSHCD_UIC_HIBERN8_MASK (UIC_HIBERNATE_ENTER |\
UIC_HIBERNATE_EXIT)
#define UFSHCD_UIC_PWR_MASK (UFSHCD_UIC_HIBERN8_MASK |\
UIC_POWER_MODE)
#define UFSHCD_UIC_MASK (UIC_COMMAND_COMPL | UFSHCD_UIC_PWR_MASK)
#define UFSHCD_ERROR_MASK (UIC_ERROR | INT_FATAL_ERRORS)
#define INT_FATAL_ERRORS (DEVICE_FATAL_ERROR |\
CONTROLLER_FATAL_ERROR |\
SYSTEM_BUS_FATAL_ERROR |\
CRYPTO_ENGINE_FATAL_ERROR |\
UIC_LINK_LOST |\
UTP_ERROR)
/* HCS - Host Controller Status 30h */
#define DEVICE_PRESENT 0 x1
#define UTP_TRANSFER_REQ_LIST_READY 0 x2
#define UTP_TASK_REQ_LIST_READY 0 x4
#define UIC_COMMAND_READY 0 x8
#define HOST_ERROR_INDICATOR 0 x10
#define DEVICE_ERROR_INDICATOR 0 x20
#define UIC_POWER_MODE_CHANGE_REQ_STATUS_MASK UFS_MASK(0 x7, 8 )
#define UFSHCD_STATUS_READY (UTP_TRANSFER_REQ_LIST_READY |\
UTP_TASK_REQ_LIST_READY |\
UIC_COMMAND_READY)
enum {
PWR_OK = 0 x0,
PWR_LOCAL = 0 x01,
PWR_REMOTE = 0 x02,
PWR_BUSY = 0 x03,
PWR_ERROR_CAP = 0 x04,
PWR_FATAL_ERROR = 0 x05,
};
/* HCE - Host Controller Enable 34h */
#define CONTROLLER_ENABLE 0 x1
#define CONTROLLER_DISABLE 0 x0
#define CRYPTO_GENERAL_ENABLE 0 x2
/* UECPA - Host UIC Error Code PHY Adapter Layer 38h */
#define UIC_PHY_ADAPTER_LAYER_ERROR 0 x80000000
#define UIC_PHY_ADAPTER_LAYER_ERROR_CODE_MASK 0 x1F
#define UIC_PHY_ADAPTER_LAYER_LANE_ERR_MASK 0 xF
#define UIC_PHY_ADAPTER_LAYER_GENERIC_ERROR 0 x10
/* UECDL - Host UIC Error Code Data Link Layer 3Ch */
#define UIC_DATA_LINK_LAYER_ERROR 0 x80000000
#define UIC_DATA_LINK_LAYER_ERROR_CODE_MASK 0 xFFFF
#define UIC_DATA_LINK_LAYER_ERROR_TCX_REP_TIMER_EXP 0 x2
#define UIC_DATA_LINK_LAYER_ERROR_AFCX_REQ_TIMER_EXP 0 x4
#define UIC_DATA_LINK_LAYER_ERROR_FCX_PRO_TIMER_EXP 0 x8
#define UIC_DATA_LINK_LAYER_ERROR_RX_BUF_OF 0 x20
#define UIC_DATA_LINK_LAYER_ERROR_PA_INIT 0 x2000
#define UIC_DATA_LINK_LAYER_ERROR_NAC_RECEIVED 0 x0001
#define UIC_DATA_LINK_LAYER_ERROR_TCx_REPLAY_TIMEOUT 0 x0002
/* UECN - Host UIC Error Code Network Layer 40h */
#define UIC_NETWORK_LAYER_ERROR 0 x80000000
#define UIC_NETWORK_LAYER_ERROR_CODE_MASK 0 x7
#define UIC_NETWORK_UNSUPPORTED_HEADER_TYPE 0 x1
#define UIC_NETWORK_BAD_DEVICEID_ENC 0 x2
#define UIC_NETWORK_LHDR_TRAP_PACKET_DROPPING 0 x4
/* UECT - Host UIC Error Code Transport Layer 44h */
#define UIC_TRANSPORT_LAYER_ERROR 0 x80000000
#define UIC_TRANSPORT_LAYER_ERROR_CODE_MASK 0 x7F
#define UIC_TRANSPORT_UNSUPPORTED_HEADER_TYPE 0 x1
#define UIC_TRANSPORT_UNKNOWN_CPORTID 0 x2
#define UIC_TRANSPORT_NO_CONNECTION_RX 0 x4
#define UIC_TRANSPORT_CONTROLLED_SEGMENT_DROPPING 0 x8
#define UIC_TRANSPORT_BAD_TC 0 x10
#define UIC_TRANSPORT_E2E_CREDIT_OVERFOW 0 x20
#define UIC_TRANSPORT_SAFETY_VALUE_DROPPING 0 x40
/* UECDME - Host UIC Error Code DME 48h */
#define UIC_DME_ERROR 0 x80000000
#define UIC_DME_ERROR_CODE_MASK 0 x1
/* UTRIACR - Interrupt Aggregation control register - 0x4Ch */
#define INT_AGGR_TIMEOUT_VAL_MASK 0 xFF
#define INT_AGGR_COUNTER_THRESHOLD_MASK UFS_MASK(0 x1F, 8 )
#define INT_AGGR_COUNTER_AND_TIMER_RESET 0 x10000
#define INT_AGGR_STATUS_BIT 0 x100000
#define INT_AGGR_PARAM_WRITE 0 x1000000
#define INT_AGGR_ENABLE 0 x80000000
/* UTRLRSR - UTP Transfer Request Run-Stop Register 60h */
#define UTP_TRANSFER_REQ_LIST_RUN_STOP_BIT 0 x1
/* UTMRLRSR - UTP Task Management Request Run-Stop Register 80h */
#define UTP_TASK_REQ_LIST_RUN_STOP_BIT 0 x1
/* REG_UFS_MEM_CFG - Global Config Registers 300h */
#define MCQ_MODE_SELECT BIT(0 )
/* CQISy - CQ y Interrupt Status Register */
#define UFSHCD_MCQ_CQIS_TAIL_ENT_PUSH_STS 0 x1
/* UICCMD - UIC Command */
#define COMMAND_OPCODE_MASK 0 xFF
#define GEN_SELECTOR_INDEX_MASK 0 xFFFF
#define MIB_ATTRIBUTE_MASK UFS_MASK(0 xFFFF, 16 )
#define RESET_LEVEL 0 xFF
#define ATTR_SET_TYPE_MASK UFS_MASK(0 xFF, 16 )
#define CONFIG_RESULT_CODE_MASK 0 xFF
#define GENERIC_ERROR_CODE_MASK 0 xFF
/* GenSelectorIndex calculation macros for M-PHY attributes */
#define UIC_ARG_MPHY_TX_GEN_SEL_INDEX(lane) (lane)
#define UIC_ARG_MPHY_RX_GEN_SEL_INDEX(lane) (PA_MAXDATALANES + (lane))
#define UIC_ARG_MIB_SEL(attr, sel) ((((attr) & 0 xFFFF) << 16 ) |\
((sel) & 0 xFFFF))
#define UIC_ARG_MIB(attr) UIC_ARG_MIB_SEL(attr, 0 )
#define UIC_ARG_ATTR_TYPE(t) (((t) & 0 xFF) << 16 )
#define UIC_GET_ATTR_ID(v) (((v) >> 16 ) & 0 xFFFF)
/* Link Status*/
enum link_status {
UFSHCD_LINK_IS_DOWN = 1 ,
UFSHCD_LINK_IS_UP = 2 ,
};
/* UIC Commands */
enum uic_cmd_dme {
UIC_CMD_DME_GET = 0 x01,
UIC_CMD_DME_SET = 0 x02,
UIC_CMD_DME_PEER_GET = 0 x03,
UIC_CMD_DME_PEER_SET = 0 x04,
UIC_CMD_DME_POWERON = 0 x10,
UIC_CMD_DME_POWEROFF = 0 x11,
UIC_CMD_DME_ENABLE = 0 x12,
UIC_CMD_DME_RESET = 0 x14,
UIC_CMD_DME_END_PT_RST = 0 x15,
UIC_CMD_DME_LINK_STARTUP = 0 x16,
UIC_CMD_DME_HIBER_ENTER = 0 x17,
UIC_CMD_DME_HIBER_EXIT = 0 x18,
UIC_CMD_DME_TEST_MODE = 0 x1A,
};
/* UIC Config result code / Generic error code */
enum {
UIC_CMD_RESULT_SUCCESS = 0 x00,
UIC_CMD_RESULT_INVALID_ATTR = 0 x01,
UIC_CMD_RESULT_FAILURE = 0 x01,
UIC_CMD_RESULT_INVALID_ATTR_VALUE = 0 x02,
UIC_CMD_RESULT_READ_ONLY_ATTR = 0 x03,
UIC_CMD_RESULT_WRITE_ONLY_ATTR = 0 x04,
UIC_CMD_RESULT_BAD_INDEX = 0 x05,
UIC_CMD_RESULT_LOCKED_ATTR = 0 x06,
UIC_CMD_RESULT_BAD_TEST_FEATURE_INDEX = 0 x07,
UIC_CMD_RESULT_PEER_COMM_FAILURE = 0 x08,
UIC_CMD_RESULT_BUSY = 0 x09,
UIC_CMD_RESULT_DME_FAILURE = 0 x0A,
};
#define MASK_UIC_COMMAND_RESULT 0 xFF
#define INT_AGGR_COUNTER_THLD_VAL(c) (((c) & 0 x1F) << 8 )
#define INT_AGGR_TIMEOUT_VAL(t) (((t) & 0 xFF) << 0 )
/* Interrupt disable masks */
enum {
/* Interrupt disable mask for UFSHCI v1.1 */
INTERRUPT_MASK_ALL_VER_11 = 0 x31FFF,
/* Interrupt disable mask for UFSHCI v2.1 */
INTERRUPT_MASK_ALL_VER_21 = 0 x71FFF,
};
/* CCAP - Crypto Capability 100h */
union ufs_crypto_capabilities {
__le32 reg_val;
struct {
u8 num_crypto_cap;
u8 config_count;
u8 reserved;
u8 config_array_ptr;
};
};
enum ufs_crypto_key_size {
UFS_CRYPTO_KEY_SIZE_INVALID = 0 x0,
UFS_CRYPTO_KEY_SIZE_128 = 0 x1,
UFS_CRYPTO_KEY_SIZE_192 = 0 x2,
UFS_CRYPTO_KEY_SIZE_256 = 0 x3,
UFS_CRYPTO_KEY_SIZE_512 = 0 x4,
};
enum ufs_crypto_alg {
UFS_CRYPTO_ALG_AES_XTS = 0 x0,
UFS_CRYPTO_ALG_BITLOCKER_AES_CBC = 0 x1,
UFS_CRYPTO_ALG_AES_ECB = 0 x2,
UFS_CRYPTO_ALG_ESSIV_AES_CBC = 0 x3,
};
/* x-CRYPTOCAP - Crypto Capability X */
union ufs_crypto_cap_entry {
__le32 reg_val;
struct {
u8 algorithm_id;
u8 sdus_mask; /* Supported data unit size mask */
u8 key_size;
u8 reserved;
};
};
#define UFS_CRYPTO_CONFIGURATION_ENABLE (1 << 7 )
#define UFS_CRYPTO_KEY_MAX_SIZE 64
/* x-CRYPTOCFG - Crypto Configuration X */
union ufs_crypto_cfg_entry {
__le32 reg_val[32 ];
struct {
u8 crypto_key[UFS_CRYPTO_KEY_MAX_SIZE];
u8 data_unit_size;
u8 crypto_cap_idx;
u8 reserved_1;
u8 config_enable;
u8 reserved_multi_host;
u8 reserved_2;
u8 vsb[2 ];
u8 reserved_3[56 ];
};
};
/*
* Request Descriptor Definitions
*/
/* To accommodate UFS2.0 required Command type */
enum {
UTP_CMD_TYPE_UFS_STORAGE = 0 x1,
};
enum {
UTP_SCSI_COMMAND = 0 x00000000,
UTP_NATIVE_UFS_COMMAND = 0 x10000000,
UTP_DEVICE_MANAGEMENT_FUNCTION = 0 x20000000,
};
/* UTP Transfer Request Data Direction (DD) */
enum utp_data_direction {
UTP_NO_DATA_TRANSFER = 0 ,
UTP_HOST_TO_DEVICE = 1 ,
UTP_DEVICE_TO_HOST = 2 ,
};
/* Overall command status values */
enum utp_ocs {
OCS_SUCCESS = 0 x0,
OCS_INVALID_CMD_TABLE_ATTR = 0 x1,
OCS_INVALID_PRDT_ATTR = 0 x2,
OCS_MISMATCH_DATA_BUF_SIZE = 0 x3,
OCS_MISMATCH_RESP_UPIU_SIZE = 0 x4,
OCS_PEER_COMM_FAILURE = 0 x5,
OCS_ABORTED = 0 x6,
OCS_FATAL_ERROR = 0 x7,
OCS_DEVICE_FATAL_ERROR = 0 x8,
OCS_INVALID_CRYPTO_CONFIG = 0 x9,
OCS_GENERAL_CRYPTO_ERROR = 0 xA,
OCS_INVALID_COMMAND_STATUS = 0 x0F,
};
enum {
MASK_OCS = 0 x0F,
};
/* The maximum length of the data byte count field in the PRDT is 256KB */
#define PRDT_DATA_BYTE_COUNT_MAX SZ_256K
/* The granularity of the data byte count field in the PRDT is 32-bit */
#define PRDT_DATA_BYTE_COUNT_PAD 4
/**
* struct ufshcd_sg_entry - UFSHCI PRD Entry
* @addr: Physical address; DW-0 and DW-1.
* @reserved: Reserved for future use DW-2
* @size: size of physical segment DW-3
*/
struct ufshcd_sg_entry {
__le64 addr;
__le32 reserved;
__le32 size;
/*
* followed by variant-specific fields if
* CONFIG_SCSI_UFS_VARIABLE_SG_ENTRY_SIZE has been defined.
*/
};
/**
* struct utp_transfer_cmd_desc - UTP Command Descriptor (UCD)
* @command_upiu: Command UPIU Frame address
* @response_upiu: Response UPIU Frame address
* @prd_table: Physical Region Descriptor: an array of SG_ALL struct
* ufshcd_sg_entry's. Variant-specific fields may be present after each.
*/
struct utp_transfer_cmd_desc {
u8 command_upiu[ALIGNED_UPIU_SIZE];
u8 response_upiu[ALIGNED_UPIU_SIZE];
u8 prd_table[];
};
/**
* struct request_desc_header - Descriptor Header common to both UTRD and UTMRD
*/
struct request_desc_header {
u8 cci;
u8 ehs_length;
#if defined (__BIG_ENDIAN)
u8 enable_crypto:1 ;
u8 reserved2:7 ;
u8 command_type:4 ;
u8 reserved1:1 ;
u8 data_direction:2 ;
u8 interrupt:1 ;
#elif defined (__LITTLE_ENDIAN)
u8 reserved2:7 ;
u8 enable_crypto:1 ;
u8 interrupt:1 ;
u8 data_direction:2 ;
u8 reserved1:1 ;
u8 command_type:4 ;
#else
#error
#endif
__le32 dunl;
u8 ocs;
u8 cds;
__le16 ldbc;
__le32 dunu;
};
static_assert(sizeof (struct request_desc_header) == 16 );
/**
* struct utp_transfer_req_desc - UTP Transfer Request Descriptor (UTRD)
* @header: UTRD header DW-0 to DW-3
* @command_desc_base_addr: UCD base address DW 4-5
* @response_upiu_length: response UPIU length DW-6
* @response_upiu_offset: response UPIU offset DW-6
* @prd_table_length: Physical region descriptor length DW-7
* @prd_table_offset: Physical region descriptor offset DW-7
*/
struct utp_transfer_req_desc {
/* DW 0-3 */
struct request_desc_header header;
/* DW 4-5*/
__le64 command_desc_base_addr;
/* DW 6 */
__le16 response_upiu_length;
__le16 response_upiu_offset;
/* DW 7 */
__le16 prd_table_length;
__le16 prd_table_offset;
};
/* MCQ Completion Queue Entry */
struct cq_entry {
/* DW 0-1 */
__le64 command_desc_base_addr;
/* DW 2 */
__le16 response_upiu_length;
__le16 response_upiu_offset;
/* DW 3 */
__le16 prd_table_length;
__le16 prd_table_offset;
/* DW 4 */
__le32 status;
/* DW 5-7 */
__le32 reserved[3 ];
};
static_assert(sizeof (struct cq_entry) == 32 );
/*
* UTMRD structure.
*/
struct utp_task_req_desc {
/* DW 0-3 */
struct request_desc_header header;
/* DW 4-11 - Task request UPIU structure */
struct {
struct utp_upiu_header req_header;
__be32 input_param1;
__be32 input_param2;
__be32 input_param3;
__be32 __reserved1[2 ];
} upiu_req;
/* DW 12-19 - Task Management Response UPIU structure */
struct {
struct utp_upiu_header rsp_header;
__be32 output_param1;
__be32 output_param2;
__be32 __reserved2[3 ];
} upiu_rsp;
};
#endif /* End of Header */
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