1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Universal Flash Storage Host controller driver 4 * Copyright (C) 2011-2013 Samsung India Software Operations 5 * 6 * Authors: 7 * Santosh Yaraganavi <santosh.sy@samsung.com> 8 * Vinayak Holikatti <h.vinayak@samsung.com> 9 */ 10 11 #ifndef _UFS_H 12 #define _UFS_H 13 14 #include <linux/bitops.h> 15 #include <linux/types.h> 16 #include <uapi/scsi/scsi_bsg_ufs.h> 17 18 /* 19 * Using static_assert() is not allowed in UAPI header files. Hence the check 20 * in this header file of the size of struct utp_upiu_header. 21 */ 22 static_assert(sizeof(struct utp_upiu_header) == 12); 23 24 #define GENERAL_UPIU_REQUEST_SIZE (sizeof(struct utp_upiu_req)) 25 #define QUERY_DESC_MAX_SIZE 255 26 #define QUERY_DESC_MIN_SIZE 2 27 #define QUERY_DESC_HDR_SIZE 2 28 #define QUERY_OSF_SIZE (GENERAL_UPIU_REQUEST_SIZE - \ 29 (sizeof(struct utp_upiu_header))) 30 #define UFS_SENSE_SIZE 18 31 32 /* 33 * UFS device may have standard LUs and LUN id could be from 0x00 to 34 * 0x7F. Standard LUs use "Peripheral Device Addressing Format". 35 * UFS device may also have the Well Known LUs (also referred as W-LU) 36 * which again could be from 0x00 to 0x7F. For W-LUs, device only use 37 * the "Extended Addressing Format" which means the W-LUNs would be 38 * from 0xc100 (SCSI_W_LUN_BASE) onwards. 39 * This means max. LUN number reported from UFS device could be 0xC17F. 40 */ 41 #define UFS_UPIU_MAX_UNIT_NUM_ID 0x7F 42 #define UFS_MAX_LUNS (SCSI_W_LUN_BASE + UFS_UPIU_MAX_UNIT_NUM_ID) 43 #define UFS_UPIU_WLUN_ID (1 << 7) 44 45 /* WriteBooster buffer is available only for the logical unit from 0 to 7 */ 46 #define UFS_UPIU_MAX_WB_LUN_ID 8 47 48 /* 49 * WriteBooster buffer lifetime has a limit setted by vendor. 50 * If it is over the limit, WriteBooster feature will be disabled. 51 */ 52 #define UFS_WB_EXCEED_LIFETIME 0x0B 53 54 /* 55 * In UFS Spec, the Extra Header Segment (EHS) starts from byte 32 in UPIU request/response packet 56 */ 57 #define EHS_OFFSET_IN_RESPONSE 32 58 59 /* Well known logical unit id in LUN field of UPIU */ 60 enum { 61 UFS_UPIU_REPORT_LUNS_WLUN = 0x81, 62 UFS_UPIU_UFS_DEVICE_WLUN = 0xD0, 63 UFS_UPIU_BOOT_WLUN = 0xB0, 64 UFS_UPIU_RPMB_WLUN = 0xC4, 65 }; 66 67 /* 68 * UFS Protocol Information Unit related definitions 69 */ 70 71 /* Task management functions */ 72 enum { 73 UFS_ABORT_TASK = 0x01, 74 UFS_ABORT_TASK_SET = 0x02, 75 UFS_CLEAR_TASK_SET = 0x04, 76 UFS_LOGICAL_RESET = 0x08, 77 UFS_QUERY_TASK = 0x80, 78 UFS_QUERY_TASK_SET = 0x81, 79 }; 80 81 /* UTP UPIU Transaction Codes Initiator to Target */ 82 enum upiu_request_transaction { 83 UPIU_TRANSACTION_NOP_OUT = 0x00, 84 UPIU_TRANSACTION_COMMAND = 0x01, 85 UPIU_TRANSACTION_DATA_OUT = 0x02, 86 UPIU_TRANSACTION_TASK_REQ = 0x04, 87 UPIU_TRANSACTION_QUERY_REQ = 0x16, 88 }; 89 90 /* UTP UPIU Transaction Codes Target to Initiator */ 91 enum upiu_response_transaction { 92 UPIU_TRANSACTION_NOP_IN = 0x20, 93 UPIU_TRANSACTION_RESPONSE = 0x21, 94 UPIU_TRANSACTION_DATA_IN = 0x22, 95 UPIU_TRANSACTION_TASK_RSP = 0x24, 96 UPIU_TRANSACTION_READY_XFER = 0x31, 97 UPIU_TRANSACTION_QUERY_RSP = 0x36, 98 UPIU_TRANSACTION_REJECT_UPIU = 0x3F, 99 }; 100 101 /* UPIU Read/Write flags */ 102 enum { 103 UPIU_CMD_FLAGS_NONE = 0x00, 104 UPIU_CMD_FLAGS_WRITE = 0x20, 105 UPIU_CMD_FLAGS_READ = 0x40, 106 }; 107 108 /* UPIU response flags */ 109 enum { 110 UPIU_RSP_FLAG_UNDERFLOW = 0x20, 111 UPIU_RSP_FLAG_OVERFLOW = 0x40, 112 }; 113 114 /* UPIU Task Attributes */ 115 enum { 116 UPIU_TASK_ATTR_SIMPLE = 0x00, 117 UPIU_TASK_ATTR_ORDERED = 0x01, 118 UPIU_TASK_ATTR_HEADQ = 0x02, 119 UPIU_TASK_ATTR_ACA = 0x03, 120 }; 121 122 /* UPIU Query request function */ 123 enum { 124 UPIU_QUERY_FUNC_STANDARD_READ_REQUEST = 0x01, 125 UPIU_QUERY_FUNC_STANDARD_WRITE_REQUEST = 0x81, 126 }; 127 128 /* Flag idn for Query Requests*/ 129 enum flag_idn { 130 QUERY_FLAG_IDN_FDEVICEINIT = 0x01, 131 QUERY_FLAG_IDN_PERMANENT_WPE = 0x02, 132 QUERY_FLAG_IDN_PWR_ON_WPE = 0x03, 133 QUERY_FLAG_IDN_BKOPS_EN = 0x04, 134 QUERY_FLAG_IDN_LIFE_SPAN_MODE_ENABLE = 0x05, 135 QUERY_FLAG_IDN_PURGE_ENABLE = 0x06, 136 QUERY_FLAG_IDN_RESERVED2 = 0x07, 137 QUERY_FLAG_IDN_FPHYRESOURCEREMOVAL = 0x08, 138 QUERY_FLAG_IDN_BUSY_RTC = 0x09, 139 QUERY_FLAG_IDN_RESERVED3 = 0x0A, 140 QUERY_FLAG_IDN_PERMANENTLY_DISABLE_FW_UPDATE = 0x0B, 141 QUERY_FLAG_IDN_WB_EN = 0x0E, 142 QUERY_FLAG_IDN_WB_BUFF_FLUSH_EN = 0x0F, 143 QUERY_FLAG_IDN_WB_BUFF_FLUSH_DURING_HIBERN8 = 0x10, 144 QUERY_FLAG_IDN_HPB_RESET = 0x11, 145 QUERY_FLAG_IDN_HPB_EN = 0x12, 146 }; 147 148 /* Attribute idn for Query requests */ 149 enum attr_idn { 150 QUERY_ATTR_IDN_BOOT_LU_EN = 0x00, 151 QUERY_ATTR_IDN_MAX_HPB_SINGLE_CMD = 0x01, 152 QUERY_ATTR_IDN_POWER_MODE = 0x02, 153 QUERY_ATTR_IDN_ACTIVE_ICC_LVL = 0x03, 154 QUERY_ATTR_IDN_OOO_DATA_EN = 0x04, 155 QUERY_ATTR_IDN_BKOPS_STATUS = 0x05, 156 QUERY_ATTR_IDN_PURGE_STATUS = 0x06, 157 QUERY_ATTR_IDN_MAX_DATA_IN = 0x07, 158 QUERY_ATTR_IDN_MAX_DATA_OUT = 0x08, 159 QUERY_ATTR_IDN_DYN_CAP_NEEDED = 0x09, 160 QUERY_ATTR_IDN_REF_CLK_FREQ = 0x0A, 161 QUERY_ATTR_IDN_CONF_DESC_LOCK = 0x0B, 162 QUERY_ATTR_IDN_MAX_NUM_OF_RTT = 0x0C, 163 QUERY_ATTR_IDN_EE_CONTROL = 0x0D, 164 QUERY_ATTR_IDN_EE_STATUS = 0x0E, 165 QUERY_ATTR_IDN_SECONDS_PASSED = 0x0F, 166 QUERY_ATTR_IDN_CNTX_CONF = 0x10, 167 QUERY_ATTR_IDN_CORR_PRG_BLK_NUM = 0x11, 168 QUERY_ATTR_IDN_RESERVED2 = 0x12, 169 QUERY_ATTR_IDN_RESERVED3 = 0x13, 170 QUERY_ATTR_IDN_FFU_STATUS = 0x14, 171 QUERY_ATTR_IDN_PSA_STATE = 0x15, 172 QUERY_ATTR_IDN_PSA_DATA_SIZE = 0x16, 173 QUERY_ATTR_IDN_REF_CLK_GATING_WAIT_TIME = 0x17, 174 QUERY_ATTR_IDN_CASE_ROUGH_TEMP = 0x18, 175 QUERY_ATTR_IDN_HIGH_TEMP_BOUND = 0x19, 176 QUERY_ATTR_IDN_LOW_TEMP_BOUND = 0x1A, 177 QUERY_ATTR_IDN_WB_FLUSH_STATUS = 0x1C, 178 QUERY_ATTR_IDN_AVAIL_WB_BUFF_SIZE = 0x1D, 179 QUERY_ATTR_IDN_WB_BUFF_LIFE_TIME_EST = 0x1E, 180 QUERY_ATTR_IDN_CURR_WB_BUFF_SIZE = 0x1F, 181 QUERY_ATTR_IDN_EXT_IID_EN = 0x2A, 182 }; 183 184 /* Descriptor idn for Query requests */ 185 enum desc_idn { 186 QUERY_DESC_IDN_DEVICE = 0x0, 187 QUERY_DESC_IDN_CONFIGURATION = 0x1, 188 QUERY_DESC_IDN_UNIT = 0x2, 189 QUERY_DESC_IDN_RFU_0 = 0x3, 190 QUERY_DESC_IDN_INTERCONNECT = 0x4, 191 QUERY_DESC_IDN_STRING = 0x5, 192 QUERY_DESC_IDN_RFU_1 = 0x6, 193 QUERY_DESC_IDN_GEOMETRY = 0x7, 194 QUERY_DESC_IDN_POWER = 0x8, 195 QUERY_DESC_IDN_HEALTH = 0x9, 196 QUERY_DESC_IDN_MAX, 197 }; 198 199 enum desc_header_offset { 200 QUERY_DESC_LENGTH_OFFSET = 0x00, 201 QUERY_DESC_DESC_TYPE_OFFSET = 0x01, 202 }; 203 204 /* Unit descriptor parameters offsets in bytes*/ 205 enum unit_desc_param { 206 UNIT_DESC_PARAM_LEN = 0x0, 207 UNIT_DESC_PARAM_TYPE = 0x1, 208 UNIT_DESC_PARAM_UNIT_INDEX = 0x2, 209 UNIT_DESC_PARAM_LU_ENABLE = 0x3, 210 UNIT_DESC_PARAM_BOOT_LUN_ID = 0x4, 211 UNIT_DESC_PARAM_LU_WR_PROTECT = 0x5, 212 UNIT_DESC_PARAM_LU_Q_DEPTH = 0x6, 213 UNIT_DESC_PARAM_PSA_SENSITIVE = 0x7, 214 UNIT_DESC_PARAM_MEM_TYPE = 0x8, 215 UNIT_DESC_PARAM_DATA_RELIABILITY = 0x9, 216 UNIT_DESC_PARAM_LOGICAL_BLK_SIZE = 0xA, 217 UNIT_DESC_PARAM_LOGICAL_BLK_COUNT = 0xB, 218 UNIT_DESC_PARAM_ERASE_BLK_SIZE = 0x13, 219 UNIT_DESC_PARAM_PROVISIONING_TYPE = 0x17, 220 UNIT_DESC_PARAM_PHY_MEM_RSRC_CNT = 0x18, 221 UNIT_DESC_PARAM_CTX_CAPABILITIES = 0x20, 222 UNIT_DESC_PARAM_LARGE_UNIT_SIZE_M1 = 0x22, 223 UNIT_DESC_PARAM_HPB_LU_MAX_ACTIVE_RGNS = 0x23, 224 UNIT_DESC_PARAM_HPB_PIN_RGN_START_OFF = 0x25, 225 UNIT_DESC_PARAM_HPB_NUM_PIN_RGNS = 0x27, 226 UNIT_DESC_PARAM_WB_BUF_ALLOC_UNITS = 0x29, 227 }; 228 229 /* RPMB Unit descriptor parameters offsets in bytes*/ 230 enum rpmb_unit_desc_param { 231 RPMB_UNIT_DESC_PARAM_LEN = 0x0, 232 RPMB_UNIT_DESC_PARAM_TYPE = 0x1, 233 RPMB_UNIT_DESC_PARAM_UNIT_INDEX = 0x2, 234 RPMB_UNIT_DESC_PARAM_LU_ENABLE = 0x3, 235 RPMB_UNIT_DESC_PARAM_BOOT_LUN_ID = 0x4, 236 RPMB_UNIT_DESC_PARAM_LU_WR_PROTECT = 0x5, 237 RPMB_UNIT_DESC_PARAM_LU_Q_DEPTH = 0x6, 238 RPMB_UNIT_DESC_PARAM_PSA_SENSITIVE = 0x7, 239 RPMB_UNIT_DESC_PARAM_MEM_TYPE = 0x8, 240 RPMB_UNIT_DESC_PARAM_REGION_EN = 0x9, 241 RPMB_UNIT_DESC_PARAM_LOGICAL_BLK_SIZE = 0xA, 242 RPMB_UNIT_DESC_PARAM_LOGICAL_BLK_COUNT = 0xB, 243 RPMB_UNIT_DESC_PARAM_REGION0_SIZE = 0x13, 244 RPMB_UNIT_DESC_PARAM_REGION1_SIZE = 0x14, 245 RPMB_UNIT_DESC_PARAM_REGION2_SIZE = 0x15, 246 RPMB_UNIT_DESC_PARAM_REGION3_SIZE = 0x16, 247 RPMB_UNIT_DESC_PARAM_PROVISIONING_TYPE = 0x17, 248 RPMB_UNIT_DESC_PARAM_PHY_MEM_RSRC_CNT = 0x18, 249 }; 250 251 /* Device descriptor parameters offsets in bytes*/ 252 enum device_desc_param { 253 DEVICE_DESC_PARAM_LEN = 0x0, 254 DEVICE_DESC_PARAM_TYPE = 0x1, 255 DEVICE_DESC_PARAM_DEVICE_TYPE = 0x2, 256 DEVICE_DESC_PARAM_DEVICE_CLASS = 0x3, 257 DEVICE_DESC_PARAM_DEVICE_SUB_CLASS = 0x4, 258 DEVICE_DESC_PARAM_PRTCL = 0x5, 259 DEVICE_DESC_PARAM_NUM_LU = 0x6, 260 DEVICE_DESC_PARAM_NUM_WLU = 0x7, 261 DEVICE_DESC_PARAM_BOOT_ENBL = 0x8, 262 DEVICE_DESC_PARAM_DESC_ACCSS_ENBL = 0x9, 263 DEVICE_DESC_PARAM_INIT_PWR_MODE = 0xA, 264 DEVICE_DESC_PARAM_HIGH_PR_LUN = 0xB, 265 DEVICE_DESC_PARAM_SEC_RMV_TYPE = 0xC, 266 DEVICE_DESC_PARAM_SEC_LU = 0xD, 267 DEVICE_DESC_PARAM_BKOP_TERM_LT = 0xE, 268 DEVICE_DESC_PARAM_ACTVE_ICC_LVL = 0xF, 269 DEVICE_DESC_PARAM_SPEC_VER = 0x10, 270 DEVICE_DESC_PARAM_MANF_DATE = 0x12, 271 DEVICE_DESC_PARAM_MANF_NAME = 0x14, 272 DEVICE_DESC_PARAM_PRDCT_NAME = 0x15, 273 DEVICE_DESC_PARAM_SN = 0x16, 274 DEVICE_DESC_PARAM_OEM_ID = 0x17, 275 DEVICE_DESC_PARAM_MANF_ID = 0x18, 276 DEVICE_DESC_PARAM_UD_OFFSET = 0x1A, 277 DEVICE_DESC_PARAM_UD_LEN = 0x1B, 278 DEVICE_DESC_PARAM_RTT_CAP = 0x1C, 279 DEVICE_DESC_PARAM_FRQ_RTC = 0x1D, 280 DEVICE_DESC_PARAM_UFS_FEAT = 0x1F, 281 DEVICE_DESC_PARAM_FFU_TMT = 0x20, 282 DEVICE_DESC_PARAM_Q_DPTH = 0x21, 283 DEVICE_DESC_PARAM_DEV_VER = 0x22, 284 DEVICE_DESC_PARAM_NUM_SEC_WPA = 0x24, 285 DEVICE_DESC_PARAM_PSA_MAX_DATA = 0x25, 286 DEVICE_DESC_PARAM_PSA_TMT = 0x29, 287 DEVICE_DESC_PARAM_PRDCT_REV = 0x2A, 288 DEVICE_DESC_PARAM_HPB_VER = 0x40, 289 DEVICE_DESC_PARAM_HPB_CONTROL = 0x42, 290 DEVICE_DESC_PARAM_EXT_UFS_FEATURE_SUP = 0x4F, 291 DEVICE_DESC_PARAM_WB_PRESRV_USRSPC_EN = 0x53, 292 DEVICE_DESC_PARAM_WB_TYPE = 0x54, 293 DEVICE_DESC_PARAM_WB_SHARED_ALLOC_UNITS = 0x55, 294 }; 295 296 /* Interconnect descriptor parameters offsets in bytes*/ 297 enum interconnect_desc_param { 298 INTERCONNECT_DESC_PARAM_LEN = 0x0, 299 INTERCONNECT_DESC_PARAM_TYPE = 0x1, 300 INTERCONNECT_DESC_PARAM_UNIPRO_VER = 0x2, 301 INTERCONNECT_DESC_PARAM_MPHY_VER = 0x4, 302 }; 303 304 /* Geometry descriptor parameters offsets in bytes*/ 305 enum geometry_desc_param { 306 GEOMETRY_DESC_PARAM_LEN = 0x0, 307 GEOMETRY_DESC_PARAM_TYPE = 0x1, 308 GEOMETRY_DESC_PARAM_DEV_CAP = 0x4, 309 GEOMETRY_DESC_PARAM_MAX_NUM_LUN = 0xC, 310 GEOMETRY_DESC_PARAM_SEG_SIZE = 0xD, 311 GEOMETRY_DESC_PARAM_ALLOC_UNIT_SIZE = 0x11, 312 GEOMETRY_DESC_PARAM_MIN_BLK_SIZE = 0x12, 313 GEOMETRY_DESC_PARAM_OPT_RD_BLK_SIZE = 0x13, 314 GEOMETRY_DESC_PARAM_OPT_WR_BLK_SIZE = 0x14, 315 GEOMETRY_DESC_PARAM_MAX_IN_BUF_SIZE = 0x15, 316 GEOMETRY_DESC_PARAM_MAX_OUT_BUF_SIZE = 0x16, 317 GEOMETRY_DESC_PARAM_RPMB_RW_SIZE = 0x17, 318 GEOMETRY_DESC_PARAM_DYN_CAP_RSRC_PLC = 0x18, 319 GEOMETRY_DESC_PARAM_DATA_ORDER = 0x19, 320 GEOMETRY_DESC_PARAM_MAX_NUM_CTX = 0x1A, 321 GEOMETRY_DESC_PARAM_TAG_UNIT_SIZE = 0x1B, 322 GEOMETRY_DESC_PARAM_TAG_RSRC_SIZE = 0x1C, 323 GEOMETRY_DESC_PARAM_SEC_RM_TYPES = 0x1D, 324 GEOMETRY_DESC_PARAM_MEM_TYPES = 0x1E, 325 GEOMETRY_DESC_PARAM_SCM_MAX_NUM_UNITS = 0x20, 326 GEOMETRY_DESC_PARAM_SCM_CAP_ADJ_FCTR = 0x24, 327 GEOMETRY_DESC_PARAM_NPM_MAX_NUM_UNITS = 0x26, 328 GEOMETRY_DESC_PARAM_NPM_CAP_ADJ_FCTR = 0x2A, 329 GEOMETRY_DESC_PARAM_ENM1_MAX_NUM_UNITS = 0x2C, 330 GEOMETRY_DESC_PARAM_ENM1_CAP_ADJ_FCTR = 0x30, 331 GEOMETRY_DESC_PARAM_ENM2_MAX_NUM_UNITS = 0x32, 332 GEOMETRY_DESC_PARAM_ENM2_CAP_ADJ_FCTR = 0x36, 333 GEOMETRY_DESC_PARAM_ENM3_MAX_NUM_UNITS = 0x38, 334 GEOMETRY_DESC_PARAM_ENM3_CAP_ADJ_FCTR = 0x3C, 335 GEOMETRY_DESC_PARAM_ENM4_MAX_NUM_UNITS = 0x3E, 336 GEOMETRY_DESC_PARAM_ENM4_CAP_ADJ_FCTR = 0x42, 337 GEOMETRY_DESC_PARAM_OPT_LOG_BLK_SIZE = 0x44, 338 GEOMETRY_DESC_PARAM_HPB_REGION_SIZE = 0x48, 339 GEOMETRY_DESC_PARAM_HPB_NUMBER_LU = 0x49, 340 GEOMETRY_DESC_PARAM_HPB_SUBREGION_SIZE = 0x4A, 341 GEOMETRY_DESC_PARAM_HPB_MAX_ACTIVE_REGS = 0x4B, 342 GEOMETRY_DESC_PARAM_WB_MAX_ALLOC_UNITS = 0x4F, 343 GEOMETRY_DESC_PARAM_WB_MAX_WB_LUNS = 0x53, 344 GEOMETRY_DESC_PARAM_WB_BUFF_CAP_ADJ = 0x54, 345 GEOMETRY_DESC_PARAM_WB_SUP_RED_TYPE = 0x55, 346 GEOMETRY_DESC_PARAM_WB_SUP_WB_TYPE = 0x56, 347 }; 348 349 /* Health descriptor parameters offsets in bytes*/ 350 enum health_desc_param { 351 HEALTH_DESC_PARAM_LEN = 0x0, 352 HEALTH_DESC_PARAM_TYPE = 0x1, 353 HEALTH_DESC_PARAM_EOL_INFO = 0x2, 354 HEALTH_DESC_PARAM_LIFE_TIME_EST_A = 0x3, 355 HEALTH_DESC_PARAM_LIFE_TIME_EST_B = 0x4, 356 }; 357 358 /* WriteBooster buffer mode */ 359 enum { 360 WB_BUF_MODE_LU_DEDICATED = 0x0, 361 WB_BUF_MODE_SHARED = 0x1, 362 }; 363 364 /* 365 * Logical Unit Write Protect 366 * 00h: LU not write protected 367 * 01h: LU write protected when fPowerOnWPEn =1 368 * 02h: LU permanently write protected when fPermanentWPEn =1 369 */ 370 enum ufs_lu_wp_type { 371 UFS_LU_NO_WP = 0x00, 372 UFS_LU_POWER_ON_WP = 0x01, 373 UFS_LU_PERM_WP = 0x02, 374 }; 375 376 /* bActiveICCLevel parameter current units */ 377 enum { 378 UFSHCD_NANO_AMP = 0, 379 UFSHCD_MICRO_AMP = 1, 380 UFSHCD_MILI_AMP = 2, 381 UFSHCD_AMP = 3, 382 }; 383 384 /* Possible values for dExtendedUFSFeaturesSupport */ 385 enum { 386 UFS_DEV_LOW_TEMP_NOTIF = BIT(4), 387 UFS_DEV_HIGH_TEMP_NOTIF = BIT(5), 388 UFS_DEV_EXT_TEMP_NOTIF = BIT(6), 389 UFS_DEV_HPB_SUPPORT = BIT(7), 390 UFS_DEV_WRITE_BOOSTER_SUP = BIT(8), 391 UFS_DEV_EXT_IID_SUP = BIT(16), 392 }; 393 #define UFS_DEV_HPB_SUPPORT_VERSION 0x310 394 395 #define POWER_DESC_MAX_ACTV_ICC_LVLS 16 396 397 /* Attribute bActiveICCLevel parameter bit masks definitions */ 398 #define ATTR_ICC_LVL_UNIT_OFFSET 14 399 #define ATTR_ICC_LVL_UNIT_MASK (0x3 << ATTR_ICC_LVL_UNIT_OFFSET) 400 #define ATTR_ICC_LVL_VALUE_MASK 0x3FF 401 402 /* Power descriptor parameters offsets in bytes */ 403 enum power_desc_param_offset { 404 PWR_DESC_LEN = 0x0, 405 PWR_DESC_TYPE = 0x1, 406 PWR_DESC_ACTIVE_LVLS_VCC_0 = 0x2, 407 PWR_DESC_ACTIVE_LVLS_VCCQ_0 = 0x22, 408 PWR_DESC_ACTIVE_LVLS_VCCQ2_0 = 0x42, 409 }; 410 411 /* Exception event mask values */ 412 enum { 413 MASK_EE_STATUS = 0xFFFF, 414 MASK_EE_DYNCAP_EVENT = BIT(0), 415 MASK_EE_SYSPOOL_EVENT = BIT(1), 416 MASK_EE_URGENT_BKOPS = BIT(2), 417 MASK_EE_TOO_HIGH_TEMP = BIT(3), 418 MASK_EE_TOO_LOW_TEMP = BIT(4), 419 MASK_EE_WRITEBOOSTER_EVENT = BIT(5), 420 MASK_EE_PERFORMANCE_THROTTLING = BIT(6), 421 }; 422 #define MASK_EE_URGENT_TEMP (MASK_EE_TOO_HIGH_TEMP | MASK_EE_TOO_LOW_TEMP) 423 424 /* Background operation status */ 425 enum bkops_status { 426 BKOPS_STATUS_NO_OP = 0x0, 427 BKOPS_STATUS_NON_CRITICAL = 0x1, 428 BKOPS_STATUS_PERF_IMPACT = 0x2, 429 BKOPS_STATUS_CRITICAL = 0x3, 430 BKOPS_STATUS_MAX = BKOPS_STATUS_CRITICAL, 431 }; 432 433 /* UTP QUERY Transaction Specific Fields OpCode */ 434 enum query_opcode { 435 UPIU_QUERY_OPCODE_NOP = 0x0, 436 UPIU_QUERY_OPCODE_READ_DESC = 0x1, 437 UPIU_QUERY_OPCODE_WRITE_DESC = 0x2, 438 UPIU_QUERY_OPCODE_READ_ATTR = 0x3, 439 UPIU_QUERY_OPCODE_WRITE_ATTR = 0x4, 440 UPIU_QUERY_OPCODE_READ_FLAG = 0x5, 441 UPIU_QUERY_OPCODE_SET_FLAG = 0x6, 442 UPIU_QUERY_OPCODE_CLEAR_FLAG = 0x7, 443 UPIU_QUERY_OPCODE_TOGGLE_FLAG = 0x8, 444 }; 445 446 /* bRefClkFreq attribute values */ 447 enum ufs_ref_clk_freq { 448 REF_CLK_FREQ_19_2_MHZ = 0, 449 REF_CLK_FREQ_26_MHZ = 1, 450 REF_CLK_FREQ_38_4_MHZ = 2, 451 REF_CLK_FREQ_52_MHZ = 3, 452 REF_CLK_FREQ_INVAL = -1, 453 }; 454 455 /* Query response result code */ 456 enum { 457 QUERY_RESULT_SUCCESS = 0x00, 458 QUERY_RESULT_NOT_READABLE = 0xF6, 459 QUERY_RESULT_NOT_WRITEABLE = 0xF7, 460 QUERY_RESULT_ALREADY_WRITTEN = 0xF8, 461 QUERY_RESULT_INVALID_LENGTH = 0xF9, 462 QUERY_RESULT_INVALID_VALUE = 0xFA, 463 QUERY_RESULT_INVALID_SELECTOR = 0xFB, 464 QUERY_RESULT_INVALID_INDEX = 0xFC, 465 QUERY_RESULT_INVALID_IDN = 0xFD, 466 QUERY_RESULT_INVALID_OPCODE = 0xFE, 467 QUERY_RESULT_GENERAL_FAILURE = 0xFF, 468 }; 469 470 /* UTP Transfer Request Command Type (CT) */ 471 enum { 472 UPIU_COMMAND_SET_TYPE_SCSI = 0x0, 473 UPIU_COMMAND_SET_TYPE_UFS = 0x1, 474 UPIU_COMMAND_SET_TYPE_QUERY = 0x2, 475 }; 476 477 /* Offset of the response code in the UPIU header */ 478 #define UPIU_RSP_CODE_OFFSET 8 479 480 enum { 481 MASK_TM_SERVICE_RESP = 0xFF, 482 }; 483 484 /* Task management service response */ 485 enum { 486 UPIU_TASK_MANAGEMENT_FUNC_COMPL = 0x00, 487 UPIU_TASK_MANAGEMENT_FUNC_NOT_SUPPORTED = 0x04, 488 UPIU_TASK_MANAGEMENT_FUNC_SUCCEEDED = 0x08, 489 UPIU_TASK_MANAGEMENT_FUNC_FAILED = 0x05, 490 UPIU_INCORRECT_LOGICAL_UNIT_NO = 0x09, 491 }; 492 493 /* UFS device power modes */ 494 enum ufs_dev_pwr_mode { 495 UFS_ACTIVE_PWR_MODE = 1, 496 UFS_SLEEP_PWR_MODE = 2, 497 UFS_POWERDOWN_PWR_MODE = 3, 498 UFS_DEEPSLEEP_PWR_MODE = 4, 499 }; 500 501 #define UFS_WB_BUF_REMAIN_PERCENT(val) ((val) / 10) 502 503 /** 504 * struct utp_cmd_rsp - Response UPIU structure 505 * @residual_transfer_count: Residual transfer count DW-3 506 * @reserved: Reserved double words DW-4 to DW-7 507 * @sense_data_len: Sense data length DW-8 U16 508 * @sense_data: Sense data field DW-8 to DW-12 509 */ 510 struct utp_cmd_rsp { 511 __be32 residual_transfer_count; 512 __be32 reserved[4]; 513 __be16 sense_data_len; 514 u8 sense_data[UFS_SENSE_SIZE]; 515 }; 516 517 /** 518 * struct utp_upiu_rsp - general upiu response structure 519 * @header: UPIU header structure DW-0 to DW-2 520 * @sr: fields structure for scsi command DW-3 to DW-12 521 * @qr: fields structure for query request DW-3 to DW-7 522 */ 523 struct utp_upiu_rsp { 524 struct utp_upiu_header header; 525 union { 526 struct utp_cmd_rsp sr; 527 struct utp_upiu_query qr; 528 }; 529 }; 530 531 /* 532 * VCCQ & VCCQ2 current requirement when UFS device is in sleep state 533 * and link is in Hibern8 state. 534 */ 535 #define UFS_VREG_LPM_LOAD_UA 1000 /* uA */ 536 537 struct ufs_vreg { 538 struct regulator *reg; 539 const char *name; 540 bool always_on; 541 bool enabled; 542 int max_uA; 543 }; 544 545 struct ufs_vreg_info { 546 struct ufs_vreg *vcc; 547 struct ufs_vreg *vccq; 548 struct ufs_vreg *vccq2; 549 struct ufs_vreg *vdd_hba; 550 }; 551 552 struct ufs_dev_info { 553 bool f_power_on_wp_en; 554 /* Keeps information if any of the LU is power on write protected */ 555 bool is_lu_power_on_wp; 556 /* Maximum number of general LU supported by the UFS device */ 557 u8 max_lu_supported; 558 u16 wmanufacturerid; 559 /*UFS device Product Name */ 560 u8 *model; 561 u16 wspecversion; 562 u32 clk_gating_wait_us; 563 /* Stores the depth of queue in UFS device */ 564 u8 bqueuedepth; 565 566 /* UFS WB related flags */ 567 bool wb_enabled; 568 bool wb_buf_flush_enabled; 569 u8 wb_dedicated_lu; 570 u8 wb_buffer_type; 571 572 bool b_rpm_dev_flush_capable; 573 u8 b_presrv_uspc_en; 574 575 bool b_advanced_rpmb_en; 576 577 /* UFS EXT_IID Enable */ 578 bool b_ext_iid_en; 579 }; 580 581 /* 582 * This enum is used in string mapping in include/trace/events/ufs.h. 583 */ 584 enum ufs_trace_str_t { 585 UFS_CMD_SEND, UFS_CMD_COMP, UFS_DEV_COMP, 586 UFS_QUERY_SEND, UFS_QUERY_COMP, UFS_QUERY_ERR, 587 UFS_TM_SEND, UFS_TM_COMP, UFS_TM_ERR 588 }; 589 590 /* 591 * Transaction Specific Fields (TSF) type in the UPIU package, this enum is 592 * used in include/trace/events/ufs.h for UFS command trace. 593 */ 594 enum ufs_trace_tsf_t { 595 UFS_TSF_CDB, UFS_TSF_OSF, UFS_TSF_TM_INPUT, UFS_TSF_TM_OUTPUT 596 }; 597 598 #endif /* End of Header */ 599