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/* 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 _UFS_H #define _UFS_H #include <linux/bitops.h> #include <linux/types.h> #include <uapi/scsi/scsi_bsg_ufs.h> #include <linux/time64.h> /* * Using static_assert() is not allowed in UAPI header files. Hence the check * in this header file of the size of struct utp_upiu_header. */ static_assert(sizeof(struct utp_upiu_header) == 12); #define GENERAL_UPIU_REQUEST_SIZE (sizeof(struct utp_upiu_req)) #define QUERY_DESC_MAX_SIZE 255 #define QUERY_DESC_MIN_SIZE 2 #define QUERY_DESC_HDR_SIZE 2 #define QUERY_OSF_SIZE (GENERAL_UPIU_REQUEST_SIZE - \ (sizeof(struct utp_upiu_header))) #define UFS_SENSE_SIZE 18 /* * UFS device may have standard LUs and LUN id could be from 0x00 to * 0x7F. Standard LUs use "Peripheral Device Addressing Format". * UFS device may also have the Well Known LUs (also referred as W-LU) * which again could be from 0x00 to 0x7F. For W-LUs, device only use * the "Extended Addressing Format" which means the W-LUNs would be * from 0xc100 (SCSI_W_LUN_BASE) onwards. * This means max. LUN number reported from UFS device could be 0xC17F. */ #define UFS_UPIU_MAX_UNIT_NUM_ID 0x7F #define UFS_MAX_LUNS (SCSI_W_LUN_BASE + UFS_UPIU_MAX_UNIT_NUM_ID) #define UFS_UPIU_WLUN_ID (1 << 7) /* WriteBooster buffer is available only for the logical unit from 0 to 7 */ #define UFS_UPIU_MAX_WB_LUN_ID 8 /* * WriteBooster buffer lifetime has a limit setted by vendor. * If it is over the limit, WriteBooster feature will be disabled. */ #define UFS_WB_EXCEED_LIFETIME 0x0B /* * In UFS Spec, the Extra Header Segment (EHS) starts from byte 32 in UPIU request/response packet */ #define EHS_OFFSET_IN_RESPONSE 32 /* Well known logical unit id in LUN field of UPIU */ enum { UFS_UPIU_REPORT_LUNS_WLUN = 0x81, UFS_UPIU_UFS_DEVICE_WLUN = 0xD0, UFS_UPIU_BOOT_WLUN = 0xB0, UFS_UPIU_RPMB_WLUN = 0xC4, }; /* * UFS Protocol Information Unit related definitions */ /* Task management functions */ enum { UFS_ABORT_TASK = 0x01, UFS_ABORT_TASK_SET = 0x02, UFS_CLEAR_TASK_SET = 0x04, UFS_LOGICAL_RESET = 0x08, UFS_QUERY_TASK = 0x80, UFS_QUERY_TASK_SET = 0x81, }; /* UTP UPIU Transaction Codes Initiator to Target */ enum upiu_request_transaction { UPIU_TRANSACTION_NOP_OUT = 0x00, UPIU_TRANSACTION_COMMAND = 0x01, UPIU_TRANSACTION_DATA_OUT = 0x02, UPIU_TRANSACTION_TASK_REQ = 0x04, UPIU_TRANSACTION_QUERY_REQ = 0x16, }; /* UTP UPIU Transaction Codes Target to Initiator */ enum upiu_response_transaction { UPIU_TRANSACTION_NOP_IN = 0x20, UPIU_TRANSACTION_RESPONSE = 0x21, UPIU_TRANSACTION_DATA_IN = 0x22, UPIU_TRANSACTION_TASK_RSP = 0x24, UPIU_TRANSACTION_READY_XFER = 0x31, UPIU_TRANSACTION_QUERY_RSP = 0x36, UPIU_TRANSACTION_REJECT_UPIU = 0x3F, }; /* UPIU Read/Write flags. See also table "UPIU Flags" in the UFS standard. */ enum { UPIU_CMD_FLAGS_NONE = 0x00, UPIU_CMD_FLAGS_CP = 0x04, UPIU_CMD_FLAGS_WRITE = 0x20, UPIU_CMD_FLAGS_READ = 0x40, }; /* UPIU response flags */ enum { UPIU_RSP_FLAG_UNDERFLOW = 0x20, UPIU_RSP_FLAG_OVERFLOW = 0x40, }; /* UPIU Task Attributes */ enum { UPIU_TASK_ATTR_SIMPLE = 0x00, UPIU_TASK_ATTR_ORDERED = 0x01, UPIU_TASK_ATTR_HEADQ = 0x02, UPIU_TASK_ATTR_ACA = 0x03, }; /* UPIU Query request function */ enum { UPIU_QUERY_FUNC_STANDARD_READ_REQUEST = 0x01, UPIU_QUERY_FUNC_STANDARD_WRITE_REQUEST = 0x81, }; /* Flag idn for Query Requests*/ enum flag_idn { QUERY_FLAG_IDN_FDEVICEINIT = 0x01, QUERY_FLAG_IDN_PERMANENT_WPE = 0x02, QUERY_FLAG_IDN_PWR_ON_WPE = 0x03, QUERY_FLAG_IDN_BKOPS_EN = 0x04, QUERY_FLAG_IDN_LIFE_SPAN_MODE_ENABLE = 0x05, QUERY_FLAG_IDN_PURGE_ENABLE = 0x06, QUERY_FLAG_IDN_RESERVED2 = 0x07, QUERY_FLAG_IDN_FPHYRESOURCEREMOVAL = 0x08, QUERY_FLAG_IDN_BUSY_RTC = 0x09, QUERY_FLAG_IDN_RESERVED3 = 0x0A, QUERY_FLAG_IDN_PERMANENTLY_DISABLE_FW_UPDATE = 0x0B, QUERY_FLAG_IDN_WB_EN = 0x0E, QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN = 0x0F, QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8 = 0x10, QUERY_FLAG_IDN_HPB_RESET = 0x11, QUERY_FLAG_IDN_HPB_EN = 0x12, }; /* Attribute idn for Query requests */ enum attr_idn { QUERY_ATTR_IDN_BOOT_LU_EN = 0x00, QUERY_ATTR_IDN_MAX_HPB_SINGLE_CMD = 0x01, QUERY_ATTR_IDN_POWER_MODE = 0x02, QUERY_ATTR_IDN_ACTIVE_ICC_LVL = 0x03, QUERY_ATTR_IDN_OOO_DATA_EN = 0x04, QUERY_ATTR_IDN_BKOPS_STATUS = 0x05, QUERY_ATTR_IDN_PURGE_STATUS = 0x06, QUERY_ATTR_IDN_MAX_DATA_IN = 0x07, QUERY_ATTR_IDN_MAX_DATA_OUT = 0x08, QUERY_ATTR_IDN_DYN_CAP_NEEDED = 0x09, QUERY_ATTR_IDN_REF_CLK_FREQ = 0x0A, QUERY_ATTR_IDN_CONF_DESC_LOCK = 0x0B, QUERY_ATTR_IDN_MAX_NUM_OF_RTT = 0x0C, QUERY_ATTR_IDN_EE_CONTROL = 0x0D, QUERY_ATTR_IDN_EE_STATUS = 0x0E, QUERY_ATTR_IDN_SECONDS_PASSED = 0x0F, QUERY_ATTR_IDN_CNTX_CONF = 0x10, QUERY_ATTR_IDN_CORR_PRG_BLK_NUM = 0x11, QUERY_ATTR_IDN_RESERVED2 = 0x12, QUERY_ATTR_IDN_RESERVED3 = 0x13, QUERY_ATTR_IDN_FFU_STATUS = 0x14, QUERY_ATTR_IDN_PSA_STATE = 0x15, QUERY_ATTR_IDN_PSA_DATA_SIZE = 0x16, QUERY_ATTR_IDN_REF_CLK_GATING_WAIT_TIME = 0x17, QUERY_ATTR_IDN_CASE_ROUGH_TEMP = 0x18, QUERY_ATTR_IDN_HIGH_TEMP_BOUND = 0x19, QUERY_ATTR_IDN_LOW_TEMP_BOUND = 0x1A, QUERY_ATTR_IDN_WB_FLUSH_STATUS = 0x1C, QUERY_ATTR_IDN_AVAIL_WB_BUFF_SIZE = 0x1D, QUERY_ATTR_IDN_WB_BUFF_LIFE_TIME_EST = 0x1E, QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE = 0x1F, QUERY_ATTR_IDN_TIMESTAMP = 0x30 }; /* Descriptor idn for Query requests */ enum desc_idn { QUERY_DESC_IDN_DEVICE = 0x0, QUERY_DESC_IDN_CONFIGURATION = 0x1, QUERY_DESC_IDN_UNIT = 0x2, QUERY_DESC_IDN_RFU_0 = 0x3, QUERY_DESC_IDN_INTERCONNECT = 0x4, QUERY_DESC_IDN_STRING = 0x5, QUERY_DESC_IDN_RFU_1 = 0x6, QUERY_DESC_IDN_GEOMETRY = 0x7, QUERY_DESC_IDN_POWER = 0x8, QUERY_DESC_IDN_HEALTH = 0x9, QUERY_DESC_IDN_MAX, }; enum desc_header_offset { QUERY_DESC_LENGTH_OFFSET = 0x00, QUERY_DESC_DESC_TYPE_OFFSET = 0x01, }; /* Unit descriptor parameters offsets in bytes*/ enum unit_desc_param { UNIT_DESC_PARAM_LEN = 0x0, UNIT_DESC_PARAM_TYPE = 0x1, UNIT_DESC_PARAM_UNIT_INDEX = 0x2, UNIT_DESC_PARAM_LU_ENABLE = 0x3, UNIT_DESC_PARAM_BOOT_LUN_ID = 0x4, UNIT_DESC_PARAM_LU_WR_PROTECT = 0x5, UNIT_DESC_PARAM_LU_Q_DEPTH = 0x6, UNIT_DESC_PARAM_PSA_SENSITIVE = 0x7, UNIT_DESC_PARAM_MEM_TYPE = 0x8, UNIT_DESC_PARAM_DATA_RELIABILITY = 0x9, UNIT_DESC_PARAM_LOGICAL_BLK_SIZE = 0xA, UNIT_DESC_PARAM_LOGICAL_BLK_COUNT = 0xB, UNIT_DESC_PARAM_ERASE_BLK_SIZE = 0x13, UNIT_DESC_PARAM_PROVISIONING_TYPE = 0x17, UNIT_DESC_PARAM_PHY_MEM_RSRC_CNT = 0x18, UNIT_DESC_PARAM_CTX_CAPABILITIES = 0x20, UNIT_DESC_PARAM_LARGE_UNIT_SIZE_M1 = 0x22, UNIT_DESC_PARAM_HPB_LU_MAX_ACTIVE_RGNS = 0x23, UNIT_DESC_PARAM_HPB_PIN_RGN_START_OFF = 0x25, UNIT_DESC_PARAM_HPB_NUM_PIN_RGNS = 0x27, UNIT_DESC_PARAM_WB_BUF_ALLOC_UNITS = 0x29, }; /* RPMB Unit descriptor parameters offsets in bytes*/ enum rpmb_unit_desc_param { RPMB_UNIT_DESC_PARAM_LEN = 0x0, RPMB_UNIT_DESC_PARAM_TYPE = 0x1, RPMB_UNIT_DESC_PARAM_UNIT_INDEX = 0x2, RPMB_UNIT_DESC_PARAM_LU_ENABLE = 0x3, RPMB_UNIT_DESC_PARAM_BOOT_LUN_ID = 0x4, RPMB_UNIT_DESC_PARAM_LU_WR_PROTECT = 0x5, RPMB_UNIT_DESC_PARAM_LU_Q_DEPTH = 0x6, RPMB_UNIT_DESC_PARAM_PSA_SENSITIVE = 0x7, RPMB_UNIT_DESC_PARAM_MEM_TYPE = 0x8, RPMB_UNIT_DESC_PARAM_REGION_EN = 0x9, RPMB_UNIT_DESC_PARAM_LOGICAL_BLK_SIZE = 0xA, RPMB_UNIT_DESC_PARAM_LOGICAL_BLK_COUNT = 0xB, RPMB_UNIT_DESC_PARAM_REGION0_SIZE = 0x13, RPMB_UNIT_DESC_PARAM_REGION1_SIZE = 0x14, RPMB_UNIT_DESC_PARAM_REGION2_SIZE = 0x15, RPMB_UNIT_DESC_PARAM_REGION3_SIZE = 0x16, RPMB_UNIT_DESC_PARAM_PROVISIONING_TYPE = 0x17, RPMB_UNIT_DESC_PARAM_PHY_MEM_RSRC_CNT = 0x18, }; /* Device descriptor parameters offsets in bytes*/ enum device_desc_param { DEVICE_DESC_PARAM_LEN = 0x0, DEVICE_DESC_PARAM_TYPE = 0x1, DEVICE_DESC_PARAM_DEVICE_TYPE = 0x2, DEVICE_DESC_PARAM_DEVICE_CLASS = 0x3, DEVICE_DESC_PARAM_DEVICE_SUB_CLASS = 0x4, DEVICE_DESC_PARAM_PRTCL = 0x5, DEVICE_DESC_PARAM_NUM_LU = 0x6, DEVICE_DESC_PARAM_NUM_WLU = 0x7, DEVICE_DESC_PARAM_BOOT_ENBL = 0x8, DEVICE_DESC_PARAM_DESC_ACCSS_ENBL = 0x9, DEVICE_DESC_PARAM_INIT_PWR_MODE = 0xA, DEVICE_DESC_PARAM_HIGH_PR_LUN = 0xB, DEVICE_DESC_PARAM_SEC_RMV_TYPE = 0xC, DEVICE_DESC_PARAM_SEC_LU = 0xD, DEVICE_DESC_PARAM_BKOP_TERM_LT = 0xE, DEVICE_DESC_PARAM_ACTVE_ICC_LVL = 0xF, DEVICE_DESC_PARAM_SPEC_VER = 0x10, DEVICE_DESC_PARAM_MANF_DATE = 0x12, DEVICE_DESC_PARAM_MANF_NAME = 0x14, DEVICE_DESC_PARAM_PRDCT_NAME = 0x15, DEVICE_DESC_PARAM_SN = 0x16, DEVICE_DESC_PARAM_OEM_ID = 0x17, DEVICE_DESC_PARAM_MANF_ID = 0x18, DEVICE_DESC_PARAM_UD_OFFSET = 0x1A, DEVICE_DESC_PARAM_UD_LEN = 0x1B, DEVICE_DESC_PARAM_RTT_CAP = 0x1C, DEVICE_DESC_PARAM_FRQ_RTC = 0x1D, DEVICE_DESC_PARAM_UFS_FEAT = 0x1F, DEVICE_DESC_PARAM_FFU_TMT = 0x20, DEVICE_DESC_PARAM_Q_DPTH = 0x21, DEVICE_DESC_PARAM_DEV_VER = 0x22, DEVICE_DESC_PARAM_NUM_SEC_WPA = 0x24, DEVICE_DESC_PARAM_PSA_MAX_DATA = 0x25, DEVICE_DESC_PARAM_PSA_TMT = 0x29, DEVICE_DESC_PARAM_PRDCT_REV = 0x2A, DEVICE_DESC_PARAM_HPB_VER = 0x40, DEVICE_DESC_PARAM_HPB_CONTROL = 0x42, DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP = 0x4F, DEVICE_DESC_PARAM_WB_PRESRV_USRSPC_EN = 0x53, DEVICE_DESC_PARAM_WB_TYPE = 0x54, DEVICE_DESC_PARAM_WB_SHARED_ALLOC_UNITS = 0x55, }; /* Interconnect descriptor parameters offsets in bytes*/ enum interconnect_desc_param { INTERCONNECT_DESC_PARAM_LEN = 0x0, INTERCONNECT_DESC_PARAM_TYPE = 0x1, INTERCONNECT_DESC_PARAM_UNIPRO_VER = 0x2, INTERCONNECT_DESC_PARAM_MPHY_VER = 0x4, }; /* Geometry descriptor parameters offsets in bytes*/ enum geometry_desc_param { GEOMETRY_DESC_PARAM_LEN = 0x0, GEOMETRY_DESC_PARAM_TYPE = 0x1, GEOMETRY_DESC_PARAM_DEV_CAP = 0x4, GEOMETRY_DESC_PARAM_MAX_NUM_LUN = 0xC, GEOMETRY_DESC_PARAM_SEG_SIZE = 0xD, GEOMETRY_DESC_PARAM_ALLOC_UNIT_SIZE = 0x11, GEOMETRY_DESC_PARAM_MIN_BLK_SIZE = 0x12, GEOMETRY_DESC_PARAM_OPT_RD_BLK_SIZE = 0x13, GEOMETRY_DESC_PARAM_OPT_WR_BLK_SIZE = 0x14, GEOMETRY_DESC_PARAM_MAX_IN_BUF_SIZE = 0x15, GEOMETRY_DESC_PARAM_MAX_OUT_BUF_SIZE = 0x16, GEOMETRY_DESC_PARAM_RPMB_RW_SIZE = 0x17, GEOMETRY_DESC_PARAM_DYN_CAP_RSRC_PLC = 0x18, GEOMETRY_DESC_PARAM_DATA_ORDER = 0x19, GEOMETRY_DESC_PARAM_MAX_NUM_CTX = 0x1A, GEOMETRY_DESC_PARAM_TAG_UNIT_SIZE = 0x1B, GEOMETRY_DESC_PARAM_TAG_RSRC_SIZE = 0x1C, GEOMETRY_DESC_PARAM_SEC_RM_TYPES = 0x1D, GEOMETRY_DESC_PARAM_MEM_TYPES = 0x1E, GEOMETRY_DESC_PARAM_SCM_MAX_NUM_UNITS = 0x20, GEOMETRY_DESC_PARAM_SCM_CAP_ADJ_FCTR = 0x24, GEOMETRY_DESC_PARAM_NPM_MAX_NUM_UNITS = 0x26, GEOMETRY_DESC_PARAM_NPM_CAP_ADJ_FCTR = 0x2A, GEOMETRY_DESC_PARAM_ENM1_MAX_NUM_UNITS = 0x2C, GEOMETRY_DESC_PARAM_ENM1_CAP_ADJ_FCTR = 0x30, GEOMETRY_DESC_PARAM_ENM2_MAX_NUM_UNITS = 0x32, GEOMETRY_DESC_PARAM_ENM2_CAP_ADJ_FCTR = 0x36, GEOMETRY_DESC_PARAM_ENM3_MAX_NUM_UNITS = 0x38, GEOMETRY_DESC_PARAM_ENM3_CAP_ADJ_FCTR = 0x3C, GEOMETRY_DESC_PARAM_ENM4_MAX_NUM_UNITS = 0x3E, GEOMETRY_DESC_PARAM_ENM4_CAP_ADJ_FCTR = 0x42, GEOMETRY_DESC_PARAM_OPT_LOG_BLK_SIZE = 0x44, GEOMETRY_DESC_PARAM_HPB_REGION_SIZE = 0x48, GEOMETRY_DESC_PARAM_HPB_NUMBER_LU = 0x49, GEOMETRY_DESC_PARAM_HPB_SUBREGION_SIZE = 0x4A, GEOMETRY_DESC_PARAM_HPB_MAX_ACTIVE_REGS = 0x4B, GEOMETRY_DESC_PARAM_WB_MAX_ALLOC_UNITS = 0x4F, GEOMETRY_DESC_PARAM_WB_MAX_WB_LUNS = 0x53, GEOMETRY_DESC_PARAM_WB_BUFF_CAP_ADJ = 0x54, GEOMETRY_DESC_PARAM_WB_SUP_RED_TYPE = 0x55, GEOMETRY_DESC_PARAM_WB_SUP_WB_TYPE = 0x56, }; /* Health descriptor parameters offsets in bytes*/ enum health_desc_param { HEALTH_DESC_PARAM_LEN = 0x0, HEALTH_DESC_PARAM_TYPE = 0x1, HEALTH_DESC_PARAM_EOL_INFO = 0x2, HEALTH_DESC_PARAM_LIFE_TIME_EST_A = 0x3, HEALTH_DESC_PARAM_LIFE_TIME_EST_B = 0x4, }; /* WriteBooster buffer mode */ enum { WB_BUF_MODE_LU_DEDICATED = 0x0, WB_BUF_MODE_SHARED = 0x1, }; /* * Logical Unit Write Protect * 00h: LU not write protected * 01h: LU write protected when fPowerOnWPEn =1 * 02h: LU permanently write protected when fPermanentWPEn =1 */ enum ufs_lu_wp_type { UFS_LU_NO_WP = 0x00, UFS_LU_POWER_ON_WP = 0x01, UFS_LU_PERM_WP = 0x02, }; /* bActiveICCLevel parameter current units */ enum { UFSHCD_NANO_AMP = 0, UFSHCD_MICRO_AMP = 1, UFSHCD_MILI_AMP = 2, UFSHCD_AMP = 3, }; /* Possible values for dExtendedUFSFeaturesSupport */ enum { UFS_DEV_HIGH_TEMP_NOTIF = BIT(4), UFS_DEV_LOW_TEMP_NOTIF = BIT(5), UFS_DEV_EXT_TEMP_NOTIF = BIT(6), UFS_DEV_HPB_SUPPORT = BIT(7), UFS_DEV_WRITE_BOOSTER_SUP = BIT(8), }; #define UFS_DEV_HPB_SUPPORT_VERSION 0x310 #define POWER_DESC_MAX_ACTV_ICC_LVLS 16 /* Attribute bActiveICCLevel parameter bit masks definitions */ #define ATTR_ICC_LVL_UNIT_OFFSET 14 #define ATTR_ICC_LVL_UNIT_MASK (0x3 << ATTR_ICC_LVL_UNIT_OFFSET) #define ATTR_ICC_LVL_VALUE_MASK 0x3FF /* Power descriptor parameters offsets in bytes */ enum power_desc_param_offset { PWR_DESC_LEN = 0x0, PWR_DESC_TYPE = 0x1, PWR_DESC_ACTIVE_LVLS_VCC_0 = 0x2, PWR_DESC_ACTIVE_LVLS_VCCQ_0 = 0x22, PWR_DESC_ACTIVE_LVLS_VCCQ2_0 = 0x42, }; /* Exception event mask values */ enum { MASK_EE_STATUS = 0xFFFF, MASK_EE_DYNCAP_EVENT = BIT(0), MASK_EE_SYSPOOL_EVENT = BIT(1), MASK_EE_URGENT_BKOPS = BIT(2), MASK_EE_TOO_HIGH_TEMP = BIT(3), MASK_EE_TOO_LOW_TEMP = BIT(4), MASK_EE_WRITEBOOSTER_EVENT = BIT(5), MASK_EE_PERFORMANCE_THROTTLING = BIT(6), }; #define MASK_EE_URGENT_TEMP (MASK_EE_TOO_HIGH_TEMP | MASK_EE_TOO_LOW_TEMP) /* Background operation status */ enum bkops_status { BKOPS_STATUS_NO_OP = 0x0, BKOPS_STATUS_NON_CRITICAL = 0x1, BKOPS_STATUS_PERF_IMPACT = 0x2, BKOPS_STATUS_CRITICAL = 0x3, BKOPS_STATUS_MAX = BKOPS_STATUS_CRITICAL, }; /* UTP QUERY Transaction Specific Fields OpCode */ enum query_opcode { UPIU_QUERY_OPCODE_NOP = 0x0, UPIU_QUERY_OPCODE_READ_DESC = 0x1, UPIU_QUERY_OPCODE_WRITE_DESC = 0x2, UPIU_QUERY_OPCODE_READ_ATTR = 0x3, UPIU_QUERY_OPCODE_WRITE_ATTR = 0x4, UPIU_QUERY_OPCODE_READ_FLAG = 0x5, UPIU_QUERY_OPCODE_SET_FLAG = 0x6, UPIU_QUERY_OPCODE_CLEAR_FLAG = 0x7, UPIU_QUERY_OPCODE_TOGGLE_FLAG = 0x8, }; /* bRefClkFreq attribute values */ enum ufs_ref_clk_freq { REF_CLK_FREQ_19_2_MHZ = 0, REF_CLK_FREQ_26_MHZ = 1, REF_CLK_FREQ_38_4_MHZ = 2, REF_CLK_FREQ_52_MHZ = 3, REF_CLK_FREQ_INVAL = -1, }; /* Query response result code */ enum { QUERY_RESULT_SUCCESS = 0x00, QUERY_RESULT_NOT_READABLE = 0xF6, QUERY_RESULT_NOT_WRITEABLE = 0xF7, QUERY_RESULT_ALREADY_WRITTEN = 0xF8, QUERY_RESULT_INVALID_LENGTH = 0xF9, QUERY_RESULT_INVALID_VALUE = 0xFA, QUERY_RESULT_INVALID_SELECTOR = 0xFB, QUERY_RESULT_INVALID_INDEX = 0xFC, QUERY_RESULT_INVALID_IDN = 0xFD, QUERY_RESULT_INVALID_OPCODE = 0xFE, QUERY_RESULT_GENERAL_FAILURE = 0xFF, }; /* UTP Transfer Request Command Type (CT) */ enum { UPIU_COMMAND_SET_TYPE_SCSI = 0x0, UPIU_COMMAND_SET_TYPE_UFS = 0x1, UPIU_COMMAND_SET_TYPE_QUERY = 0x2, }; /* Offset of the response code in the UPIU header */ #define UPIU_RSP_CODE_OFFSET 8 enum { MASK_TM_SERVICE_RESP = 0xFF, }; /* Task management service response */ enum { UPIU_TASK_MANAGEMENT_FUNC_COMPL = 0x00, UPIU_TASK_MANAGEMENT_FUNC_NOT_SUPPORTED = 0x04, UPIU_TASK_MANAGEMENT_FUNC_SUCCEEDED = 0x08, UPIU_TASK_MANAGEMENT_FUNC_FAILED = 0x05, UPIU_INCORRECT_LOGICAL_UNIT_NO = 0x09, }; /* UFS device power modes */ enum ufs_dev_pwr_mode { UFS_ACTIVE_PWR_MODE = 1, UFS_SLEEP_PWR_MODE = 2, UFS_POWERDOWN_PWR_MODE = 3, UFS_DEEPSLEEP_PWR_MODE = 4, }; #define UFS_WB_BUF_REMAIN_PERCENT(val) ((val) / 10) /** * struct utp_cmd_rsp - Response UPIU structure * @residual_transfer_count: Residual transfer count DW-3 * @reserved: Reserved double words DW-4 to DW-7 * @sense_data_len: Sense data length DW-8 U16 * @sense_data: Sense data field DW-8 to DW-12 */ struct utp_cmd_rsp { __be32 residual_transfer_count; __be32 reserved[4]; __be16 sense_data_len; u8 sense_data[UFS_SENSE_SIZE]; }; /** * struct utp_upiu_rsp - general upiu response structure * @header: UPIU header structure DW-0 to DW-2 * @sr: fields structure for scsi command DW-3 to DW-12 * @qr: fields structure for query request DW-3 to DW-7 */ struct utp_upiu_rsp { struct utp_upiu_header header; union { struct utp_cmd_rsp sr; struct utp_upiu_query qr; }; }; /* * VCCQ & VCCQ2 current requirement when UFS device is in sleep state * and link is in Hibern8 state. */ #define UFS_VREG_LPM_LOAD_UA 1000 /* uA */ struct ufs_vreg { struct regulator *reg; const char *name; bool always_on; bool enabled; int max_uA; }; struct ufs_vreg_info { struct ufs_vreg *vcc; struct ufs_vreg *vccq; struct ufs_vreg *vccq2; struct ufs_vreg *vdd_hba; }; /* UFS device descriptor wPeriodicRTCUpdate bit9 defines RTC time baseline */ #define UFS_RTC_TIME_BASELINE BIT(9) enum ufs_rtc_time { UFS_RTC_RELATIVE, UFS_RTC_ABSOLUTE }; struct ufs_dev_info { bool f_power_on_wp_en; /* Keeps information if any of the LU is power on write protected */ bool is_lu_power_on_wp; /* Maximum number of general LU supported by the UFS device */ u8 max_lu_supported; u16 wmanufacturerid; /*UFS device Product Name */ u8 *model; u16 wspecversion; u32 clk_gating_wait_us; /* Stores the depth of queue in UFS device */ u8 bqueuedepth; /* UFS WB related flags */ bool wb_enabled; bool wb_buf_flush_enabled; u8 wb_dedicated_lu; u8 wb_buffer_type; bool b_rpm_dev_flush_capable; u8 b_presrv_uspc_en; bool b_advanced_rpmb_en; /* UFS RTC */ enum ufs_rtc_time rtc_type; time64_t rtc_time_baseline; u32 rtc_update_period; u8 rtt_cap; /* bDeviceRTTCap */ }; /* * This enum is used in string mapping in ufs_trace.h. */ enum ufs_trace_str_t { UFS_CMD_SEND, UFS_CMD_COMP, UFS_DEV_COMP, UFS_QUERY_SEND, UFS_QUERY_COMP, UFS_QUERY_ERR, UFS_TM_SEND, UFS_TM_COMP, UFS_TM_ERR }; /* * Transaction Specific Fields (TSF) type in the UPIU package, this enum is * used in ufs_trace.h for UFS command trace. */ enum ufs_trace_tsf_t { UFS_TSF_CDB, UFS_TSF_OSF, UFS_TSF_TM_INPUT, UFS_TSF_TM_OUTPUT }; #endif /* End of Header */