1 /* SPDX-License-Identifier: GPL-2.0-or-later * 1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 2 /* 3 * Universal Flash Storage Host controller dri 3 * Universal Flash Storage Host controller driver 4 * Copyright (C) 2011-2013 Samsung India Softw 4 * Copyright (C) 2011-2013 Samsung India Software Operations 5 * 5 * 6 * Authors: 6 * Authors: 7 * Santosh Yaraganavi <santosh.sy@samsung 7 * Santosh Yaraganavi <santosh.sy@samsung.com> 8 * Vinayak Holikatti <h.vinayak@samsung.c 8 * Vinayak Holikatti <h.vinayak@samsung.com> 9 */ 9 */ 10 10 11 #ifndef _UFSHCI_H 11 #ifndef _UFSHCI_H 12 #define _UFSHCI_H 12 #define _UFSHCI_H 13 13 14 #include <linux/types.h> 14 #include <linux/types.h> 15 #include <ufs/ufs.h> 15 #include <ufs/ufs.h> 16 16 17 enum { 17 enum { 18 TASK_REQ_UPIU_SIZE_DWORDS = 8, 18 TASK_REQ_UPIU_SIZE_DWORDS = 8, 19 TASK_RSP_UPIU_SIZE_DWORDS = 8, 19 TASK_RSP_UPIU_SIZE_DWORDS = 8, 20 ALIGNED_UPIU_SIZE = 512, 20 ALIGNED_UPIU_SIZE = 512, 21 }; 21 }; 22 22 23 /* UFSHCI Registers */ 23 /* UFSHCI Registers */ 24 enum { 24 enum { 25 REG_CONTROLLER_CAPABILITIES 25 REG_CONTROLLER_CAPABILITIES = 0x00, 26 REG_MCQCAP 26 REG_MCQCAP = 0x04, 27 REG_UFS_VERSION 27 REG_UFS_VERSION = 0x08, 28 REG_EXT_CONTROLLER_CAPABILITIES !! 28 REG_CONTROLLER_DEV_ID = 0x10, 29 REG_CONTROLLER_PID !! 29 REG_CONTROLLER_PROD_ID = 0x14, 30 REG_CONTROLLER_MID << 31 REG_AUTO_HIBERNATE_IDLE_TIMER 30 REG_AUTO_HIBERNATE_IDLE_TIMER = 0x18, 32 REG_INTERRUPT_STATUS 31 REG_INTERRUPT_STATUS = 0x20, 33 REG_INTERRUPT_ENABLE 32 REG_INTERRUPT_ENABLE = 0x24, 34 REG_CONTROLLER_STATUS 33 REG_CONTROLLER_STATUS = 0x30, 35 REG_CONTROLLER_ENABLE 34 REG_CONTROLLER_ENABLE = 0x34, 36 REG_UIC_ERROR_CODE_PHY_ADAPTER_LAYER 35 REG_UIC_ERROR_CODE_PHY_ADAPTER_LAYER = 0x38, 37 REG_UIC_ERROR_CODE_DATA_LINK_LAYER 36 REG_UIC_ERROR_CODE_DATA_LINK_LAYER = 0x3C, 38 REG_UIC_ERROR_CODE_NETWORK_LAYER 37 REG_UIC_ERROR_CODE_NETWORK_LAYER = 0x40, 39 REG_UIC_ERROR_CODE_TRANSPORT_LAYER 38 REG_UIC_ERROR_CODE_TRANSPORT_LAYER = 0x44, 40 REG_UIC_ERROR_CODE_DME 39 REG_UIC_ERROR_CODE_DME = 0x48, 41 REG_UTP_TRANSFER_REQ_INT_AGG_CONTROL 40 REG_UTP_TRANSFER_REQ_INT_AGG_CONTROL = 0x4C, 42 REG_UTP_TRANSFER_REQ_LIST_BASE_L 41 REG_UTP_TRANSFER_REQ_LIST_BASE_L = 0x50, 43 REG_UTP_TRANSFER_REQ_LIST_BASE_H 42 REG_UTP_TRANSFER_REQ_LIST_BASE_H = 0x54, 44 REG_UTP_TRANSFER_REQ_DOOR_BELL 43 REG_UTP_TRANSFER_REQ_DOOR_BELL = 0x58, 45 REG_UTP_TRANSFER_REQ_LIST_CLEAR 44 REG_UTP_TRANSFER_REQ_LIST_CLEAR = 0x5C, 46 REG_UTP_TRANSFER_REQ_LIST_RUN_STOP 45 REG_UTP_TRANSFER_REQ_LIST_RUN_STOP = 0x60, 47 REG_UTP_TASK_REQ_LIST_BASE_L 46 REG_UTP_TASK_REQ_LIST_BASE_L = 0x70, 48 REG_UTP_TASK_REQ_LIST_BASE_H 47 REG_UTP_TASK_REQ_LIST_BASE_H = 0x74, 49 REG_UTP_TASK_REQ_DOOR_BELL 48 REG_UTP_TASK_REQ_DOOR_BELL = 0x78, 50 REG_UTP_TASK_REQ_LIST_CLEAR 49 REG_UTP_TASK_REQ_LIST_CLEAR = 0x7C, 51 REG_UTP_TASK_REQ_LIST_RUN_STOP 50 REG_UTP_TASK_REQ_LIST_RUN_STOP = 0x80, 52 REG_UIC_COMMAND 51 REG_UIC_COMMAND = 0x90, 53 REG_UIC_COMMAND_ARG_1 52 REG_UIC_COMMAND_ARG_1 = 0x94, 54 REG_UIC_COMMAND_ARG_2 53 REG_UIC_COMMAND_ARG_2 = 0x98, 55 REG_UIC_COMMAND_ARG_3 54 REG_UIC_COMMAND_ARG_3 = 0x9C, 56 55 57 UFSHCI_REG_SPACE_SIZE 56 UFSHCI_REG_SPACE_SIZE = 0xA0, 58 57 59 REG_UFS_CCAP 58 REG_UFS_CCAP = 0x100, 60 REG_UFS_CRYPTOCAP 59 REG_UFS_CRYPTOCAP = 0x104, 61 60 62 REG_UFS_MEM_CFG 61 REG_UFS_MEM_CFG = 0x300, 63 REG_UFS_MCQ_CFG 62 REG_UFS_MCQ_CFG = 0x380, 64 REG_UFS_ESILBA 63 REG_UFS_ESILBA = 0x384, 65 REG_UFS_ESIUBA 64 REG_UFS_ESIUBA = 0x388, 66 UFSHCI_CRYPTO_REG_SPACE_SIZE 65 UFSHCI_CRYPTO_REG_SPACE_SIZE = 0x400, 67 }; 66 }; 68 67 69 /* Controller capability masks */ 68 /* Controller capability masks */ 70 enum { 69 enum { 71 MASK_TRANSFER_REQUESTS_SLOTS_SDB !! 70 MASK_TRANSFER_REQUESTS_SLOTS = 0x0000001F, 72 MASK_TRANSFER_REQUESTS_SLOTS_MCQ << 73 MASK_NUMBER_OUTSTANDING_RTT << 74 MASK_TASK_MANAGEMENT_REQUEST_SLOTS 71 MASK_TASK_MANAGEMENT_REQUEST_SLOTS = 0x00070000, 75 MASK_EHSLUTRD_SUPPORTED 72 MASK_EHSLUTRD_SUPPORTED = 0x00400000, 76 MASK_AUTO_HIBERN8_SUPPORT 73 MASK_AUTO_HIBERN8_SUPPORT = 0x00800000, 77 MASK_64_ADDRESSING_SUPPORT 74 MASK_64_ADDRESSING_SUPPORT = 0x01000000, 78 MASK_OUT_OF_ORDER_DATA_DELIVERY_SUPPOR 75 MASK_OUT_OF_ORDER_DATA_DELIVERY_SUPPORT = 0x02000000, 79 MASK_UIC_DME_TEST_MODE_SUPPORT 76 MASK_UIC_DME_TEST_MODE_SUPPORT = 0x04000000, 80 MASK_CRYPTO_SUPPORT 77 MASK_CRYPTO_SUPPORT = 0x10000000, 81 MASK_LSDB_SUPPORT << 82 MASK_MCQ_SUPPORT 78 MASK_MCQ_SUPPORT = 0x40000000, 83 }; 79 }; 84 80 85 /* MCQ capability mask */ 81 /* MCQ capability mask */ 86 enum { 82 enum { 87 MASK_EXT_IID_SUPPORT = 0x00000400, 83 MASK_EXT_IID_SUPPORT = 0x00000400, 88 }; 84 }; 89 85 90 enum { 86 enum { 91 REG_SQATTR = 0x0, 87 REG_SQATTR = 0x0, 92 REG_SQLBA = 0x4, 88 REG_SQLBA = 0x4, 93 REG_SQUBA = 0x8, 89 REG_SQUBA = 0x8, 94 REG_SQDAO = 0xC, 90 REG_SQDAO = 0xC, 95 REG_SQISAO = 0x10, 91 REG_SQISAO = 0x10, 96 92 97 REG_CQATTR = 0x20, 93 REG_CQATTR = 0x20, 98 REG_CQLBA = 0x24, 94 REG_CQLBA = 0x24, 99 REG_CQUBA = 0x28, 95 REG_CQUBA = 0x28, 100 REG_CQDAO = 0x2C, 96 REG_CQDAO = 0x2C, 101 REG_CQISAO = 0x30, 97 REG_CQISAO = 0x30, 102 }; 98 }; 103 99 104 enum { 100 enum { 105 REG_SQHP = 0x0, 101 REG_SQHP = 0x0, 106 REG_SQTP = 0x4, 102 REG_SQTP = 0x4, 107 REG_SQRTC = 0x8, 103 REG_SQRTC = 0x8, 108 REG_SQCTI = 0xC, 104 REG_SQCTI = 0xC, 109 REG_SQRTS = 0x10, 105 REG_SQRTS = 0x10, 110 }; 106 }; 111 107 112 enum { 108 enum { 113 REG_CQHP = 0x0, 109 REG_CQHP = 0x0, 114 REG_CQTP = 0x4, 110 REG_CQTP = 0x4, 115 }; 111 }; 116 112 117 enum { 113 enum { 118 REG_CQIS = 0x0, 114 REG_CQIS = 0x0, 119 REG_CQIE = 0x4, 115 REG_CQIE = 0x4, 120 }; 116 }; 121 117 122 enum { 118 enum { 123 SQ_START = 0x0, 119 SQ_START = 0x0, 124 SQ_STOP = 0x1, 120 SQ_STOP = 0x1, 125 SQ_ICU = 0x2, 121 SQ_ICU = 0x2, 126 }; 122 }; 127 123 128 enum { 124 enum { 129 SQ_STS = 0x1, 125 SQ_STS = 0x1, 130 SQ_CUS = 0x2, 126 SQ_CUS = 0x2, 131 }; 127 }; 132 128 133 #define SQ_ICU_ERR_CODE_MASK GENMAS 129 #define SQ_ICU_ERR_CODE_MASK GENMASK(7, 4) 134 #define UFS_MASK(mask, offset) ((mask 130 #define UFS_MASK(mask, offset) ((mask) << (offset)) 135 131 136 /* UFS Version 08h */ 132 /* UFS Version 08h */ 137 #define MINOR_VERSION_NUM_MASK UFS_MA 133 #define MINOR_VERSION_NUM_MASK UFS_MASK(0xFFFF, 0) 138 #define MAJOR_VERSION_NUM_MASK UFS_MA 134 #define MAJOR_VERSION_NUM_MASK UFS_MASK(0xFFFF, 16) 139 135 140 #define UFSHCD_NUM_RESERVED 1 136 #define UFSHCD_NUM_RESERVED 1 141 /* 137 /* 142 * Controller UFSHCI version 138 * Controller UFSHCI version 143 * - 2.x and newer use the following scheme: 139 * - 2.x and newer use the following scheme: 144 * major << 8 + minor << 4 140 * major << 8 + minor << 4 145 * - 1.x has been converted to match this in 141 * - 1.x has been converted to match this in 146 * ufshcd_get_ufs_version() 142 * ufshcd_get_ufs_version() 147 */ 143 */ 148 static inline u32 ufshci_version(u32 major, u3 144 static inline u32 ufshci_version(u32 major, u32 minor) 149 { 145 { 150 return (major << 8) + (minor << 4); 146 return (major << 8) + (minor << 4); 151 } 147 } 152 148 153 /* 149 /* 154 * HCDDID - Host Controller Identification Des 150 * HCDDID - Host Controller Identification Descriptor 155 * - Device ID and Device Class 10h 151 * - Device ID and Device Class 10h 156 */ 152 */ 157 #define DEVICE_CLASS UFS_MASK(0xFFFF, 0) 153 #define DEVICE_CLASS UFS_MASK(0xFFFF, 0) 158 #define DEVICE_ID UFS_MASK(0xFF, 24) 154 #define DEVICE_ID UFS_MASK(0xFF, 24) 159 155 160 /* 156 /* 161 * HCPMID - Host Controller Identification Des 157 * HCPMID - Host Controller Identification Descriptor 162 * - Product/Manufacturer ID 14h 158 * - Product/Manufacturer ID 14h 163 */ 159 */ 164 #define MANUFACTURE_ID_MASK UFS_MASK(0xFFF 160 #define MANUFACTURE_ID_MASK UFS_MASK(0xFFFF, 0) 165 #define PRODUCT_ID_MASK UFS_MASK(0xFFF 161 #define PRODUCT_ID_MASK UFS_MASK(0xFFFF, 16) 166 162 167 /* AHIT - Auto-Hibernate Idle Timer */ 163 /* AHIT - Auto-Hibernate Idle Timer */ 168 #define UFSHCI_AHIBERN8_TIMER_MASK 164 #define UFSHCI_AHIBERN8_TIMER_MASK GENMASK(9, 0) 169 #define UFSHCI_AHIBERN8_SCALE_MASK 165 #define UFSHCI_AHIBERN8_SCALE_MASK GENMASK(12, 10) 170 #define UFSHCI_AHIBERN8_SCALE_FACTOR 166 #define UFSHCI_AHIBERN8_SCALE_FACTOR 10 171 #define UFSHCI_AHIBERN8_MAX 167 #define UFSHCI_AHIBERN8_MAX (1023 * 100000) 172 168 173 /* 169 /* 174 * IS - Interrupt Status - 20h 170 * IS - Interrupt Status - 20h 175 */ 171 */ 176 #define UTP_TRANSFER_REQ_COMPL 172 #define UTP_TRANSFER_REQ_COMPL 0x1 177 #define UIC_DME_END_PT_RESET 173 #define UIC_DME_END_PT_RESET 0x2 178 #define UIC_ERROR 174 #define UIC_ERROR 0x4 179 #define UIC_TEST_MODE 175 #define UIC_TEST_MODE 0x8 180 #define UIC_POWER_MODE 176 #define UIC_POWER_MODE 0x10 181 #define UIC_HIBERNATE_EXIT 177 #define UIC_HIBERNATE_EXIT 0x20 182 #define UIC_HIBERNATE_ENTER 178 #define UIC_HIBERNATE_ENTER 0x40 183 #define UIC_LINK_LOST 179 #define UIC_LINK_LOST 0x80 184 #define UIC_LINK_STARTUP 180 #define UIC_LINK_STARTUP 0x100 185 #define UTP_TASK_REQ_COMPL 181 #define UTP_TASK_REQ_COMPL 0x200 186 #define UIC_COMMAND_COMPL 182 #define UIC_COMMAND_COMPL 0x400 187 #define DEVICE_FATAL_ERROR 183 #define DEVICE_FATAL_ERROR 0x800 188 #define CONTROLLER_FATAL_ERROR 184 #define CONTROLLER_FATAL_ERROR 0x10000 189 #define SYSTEM_BUS_FATAL_ERROR 185 #define SYSTEM_BUS_FATAL_ERROR 0x20000 190 #define CRYPTO_ENGINE_FATAL_ERROR 186 #define CRYPTO_ENGINE_FATAL_ERROR 0x40000 191 #define MCQ_CQ_EVENT_STATUS 187 #define MCQ_CQ_EVENT_STATUS 0x100000 192 188 193 #define UFSHCD_UIC_HIBERN8_MASK (UIC_HIBERNATE 189 #define UFSHCD_UIC_HIBERN8_MASK (UIC_HIBERNATE_ENTER |\ 194 UIC_HIBERNATE_ 190 UIC_HIBERNATE_EXIT) 195 191 196 #define UFSHCD_UIC_PWR_MASK (UFSHCD_UIC_HI 192 #define UFSHCD_UIC_PWR_MASK (UFSHCD_UIC_HIBERN8_MASK |\ 197 UIC_POWER_MODE 193 UIC_POWER_MODE) 198 194 199 #define UFSHCD_UIC_MASK (UIC_COMMAND_C 195 #define UFSHCD_UIC_MASK (UIC_COMMAND_COMPL | UFSHCD_UIC_PWR_MASK) 200 196 201 #define UFSHCD_ERROR_MASK (UIC_ERROR | I 197 #define UFSHCD_ERROR_MASK (UIC_ERROR | INT_FATAL_ERRORS) 202 198 203 #define INT_FATAL_ERRORS (DEVICE_FATAL_ 199 #define INT_FATAL_ERRORS (DEVICE_FATAL_ERROR |\ 204 CONTROLLER_FAT 200 CONTROLLER_FATAL_ERROR |\ 205 SYSTEM_BUS_FAT 201 SYSTEM_BUS_FATAL_ERROR |\ 206 CRYPTO_ENGINE_ 202 CRYPTO_ENGINE_FATAL_ERROR |\ 207 UIC_LINK_LOST) 203 UIC_LINK_LOST) 208 204 209 /* HCS - Host Controller Status 30h */ 205 /* HCS - Host Controller Status 30h */ 210 #define DEVICE_PRESENT 206 #define DEVICE_PRESENT 0x1 211 #define UTP_TRANSFER_REQ_LIST_READY 207 #define UTP_TRANSFER_REQ_LIST_READY 0x2 212 #define UTP_TASK_REQ_LIST_READY 208 #define UTP_TASK_REQ_LIST_READY 0x4 213 #define UIC_COMMAND_READY 209 #define UIC_COMMAND_READY 0x8 214 #define HOST_ERROR_INDICATOR 210 #define HOST_ERROR_INDICATOR 0x10 215 #define DEVICE_ERROR_INDICATOR 211 #define DEVICE_ERROR_INDICATOR 0x20 216 #define UIC_POWER_MODE_CHANGE_REQ_STATUS_MASK 212 #define UIC_POWER_MODE_CHANGE_REQ_STATUS_MASK UFS_MASK(0x7, 8) 217 213 218 #define UFSHCD_STATUS_READY (UTP_TRANSFER_ 214 #define UFSHCD_STATUS_READY (UTP_TRANSFER_REQ_LIST_READY |\ 219 UTP_TASK_REQ_L 215 UTP_TASK_REQ_LIST_READY |\ 220 UIC_COMMAND_RE 216 UIC_COMMAND_READY) 221 217 222 enum { 218 enum { 223 PWR_OK = 0x0, 219 PWR_OK = 0x0, 224 PWR_LOCAL = 0x01, 220 PWR_LOCAL = 0x01, 225 PWR_REMOTE = 0x02, 221 PWR_REMOTE = 0x02, 226 PWR_BUSY = 0x03, 222 PWR_BUSY = 0x03, 227 PWR_ERROR_CAP = 0x04, 223 PWR_ERROR_CAP = 0x04, 228 PWR_FATAL_ERROR = 0x05, 224 PWR_FATAL_ERROR = 0x05, 229 }; 225 }; 230 226 231 /* HCE - Host Controller Enable 34h */ 227 /* HCE - Host Controller Enable 34h */ 232 #define CONTROLLER_ENABLE 0x1 228 #define CONTROLLER_ENABLE 0x1 233 #define CONTROLLER_DISABLE 0x0 229 #define CONTROLLER_DISABLE 0x0 234 #define CRYPTO_GENERAL_ENABLE 0x2 230 #define CRYPTO_GENERAL_ENABLE 0x2 235 231 236 /* UECPA - Host UIC Error Code PHY Adapter Lay 232 /* UECPA - Host UIC Error Code PHY Adapter Layer 38h */ 237 #define UIC_PHY_ADAPTER_LAYER_ERROR 233 #define UIC_PHY_ADAPTER_LAYER_ERROR 0x80000000 238 #define UIC_PHY_ADAPTER_LAYER_ERROR_CODE_MASK 234 #define UIC_PHY_ADAPTER_LAYER_ERROR_CODE_MASK 0x1F 239 #define UIC_PHY_ADAPTER_LAYER_LANE_ERR_MASK 235 #define UIC_PHY_ADAPTER_LAYER_LANE_ERR_MASK 0xF 240 #define UIC_PHY_ADAPTER_LAYER_GENERIC_ERROR 236 #define UIC_PHY_ADAPTER_LAYER_GENERIC_ERROR 0x10 241 237 242 /* UECDL - Host UIC Error Code Data Link Layer 238 /* UECDL - Host UIC Error Code Data Link Layer 3Ch */ 243 #define UIC_DATA_LINK_LAYER_ERROR 239 #define UIC_DATA_LINK_LAYER_ERROR 0x80000000 244 #define UIC_DATA_LINK_LAYER_ERROR_CODE_MASK 240 #define UIC_DATA_LINK_LAYER_ERROR_CODE_MASK 0xFFFF 245 #define UIC_DATA_LINK_LAYER_ERROR_TCX_REP_TIME 241 #define UIC_DATA_LINK_LAYER_ERROR_TCX_REP_TIMER_EXP 0x2 246 #define UIC_DATA_LINK_LAYER_ERROR_AFCX_REQ_TIM 242 #define UIC_DATA_LINK_LAYER_ERROR_AFCX_REQ_TIMER_EXP 0x4 247 #define UIC_DATA_LINK_LAYER_ERROR_FCX_PRO_TIME 243 #define UIC_DATA_LINK_LAYER_ERROR_FCX_PRO_TIMER_EXP 0x8 248 #define UIC_DATA_LINK_LAYER_ERROR_RX_BUF_OF 244 #define UIC_DATA_LINK_LAYER_ERROR_RX_BUF_OF 0x20 249 #define UIC_DATA_LINK_LAYER_ERROR_PA_INIT 245 #define UIC_DATA_LINK_LAYER_ERROR_PA_INIT 0x2000 250 #define UIC_DATA_LINK_LAYER_ERROR_NAC_RECEIVED 246 #define UIC_DATA_LINK_LAYER_ERROR_NAC_RECEIVED 0x0001 251 #define UIC_DATA_LINK_LAYER_ERROR_TCx_REPLAY_T 247 #define UIC_DATA_LINK_LAYER_ERROR_TCx_REPLAY_TIMEOUT 0x0002 252 248 253 /* UECN - Host UIC Error Code Network Layer 40 249 /* UECN - Host UIC Error Code Network Layer 40h */ 254 #define UIC_NETWORK_LAYER_ERROR 250 #define UIC_NETWORK_LAYER_ERROR 0x80000000 255 #define UIC_NETWORK_LAYER_ERROR_CODE_MASK 251 #define UIC_NETWORK_LAYER_ERROR_CODE_MASK 0x7 256 #define UIC_NETWORK_UNSUPPORTED_HEADER_TYPE 252 #define UIC_NETWORK_UNSUPPORTED_HEADER_TYPE 0x1 257 #define UIC_NETWORK_BAD_DEVICEID_ENC 253 #define UIC_NETWORK_BAD_DEVICEID_ENC 0x2 258 #define UIC_NETWORK_LHDR_TRAP_PACKET_DROPPING 254 #define UIC_NETWORK_LHDR_TRAP_PACKET_DROPPING 0x4 259 255 260 /* UECT - Host UIC Error Code Transport Layer 256 /* UECT - Host UIC Error Code Transport Layer 44h */ 261 #define UIC_TRANSPORT_LAYER_ERROR 257 #define UIC_TRANSPORT_LAYER_ERROR 0x80000000 262 #define UIC_TRANSPORT_LAYER_ERROR_CODE_MASK 258 #define UIC_TRANSPORT_LAYER_ERROR_CODE_MASK 0x7F 263 #define UIC_TRANSPORT_UNSUPPORTED_HEADER_TYPE 259 #define UIC_TRANSPORT_UNSUPPORTED_HEADER_TYPE 0x1 264 #define UIC_TRANSPORT_UNKNOWN_CPORTID 260 #define UIC_TRANSPORT_UNKNOWN_CPORTID 0x2 265 #define UIC_TRANSPORT_NO_CONNECTION_RX 261 #define UIC_TRANSPORT_NO_CONNECTION_RX 0x4 266 #define UIC_TRANSPORT_CONTROLLED_SEGMENT_DROPP 262 #define UIC_TRANSPORT_CONTROLLED_SEGMENT_DROPPING 0x8 267 #define UIC_TRANSPORT_BAD_TC 263 #define UIC_TRANSPORT_BAD_TC 0x10 268 #define UIC_TRANSPORT_E2E_CREDIT_OVERFOW 264 #define UIC_TRANSPORT_E2E_CREDIT_OVERFOW 0x20 269 #define UIC_TRANSPORT_SAFETY_VALUE_DROPPING 265 #define UIC_TRANSPORT_SAFETY_VALUE_DROPPING 0x40 270 266 271 /* UECDME - Host UIC Error Code DME 48h */ 267 /* UECDME - Host UIC Error Code DME 48h */ 272 #define UIC_DME_ERROR 0x8000 268 #define UIC_DME_ERROR 0x80000000 273 #define UIC_DME_ERROR_CODE_MASK 0x1 269 #define UIC_DME_ERROR_CODE_MASK 0x1 274 270 275 /* UTRIACR - Interrupt Aggregation control reg 271 /* UTRIACR - Interrupt Aggregation control register - 0x4Ch */ 276 #define INT_AGGR_TIMEOUT_VAL_MASK 272 #define INT_AGGR_TIMEOUT_VAL_MASK 0xFF 277 #define INT_AGGR_COUNTER_THRESHOLD_MASK 273 #define INT_AGGR_COUNTER_THRESHOLD_MASK UFS_MASK(0x1F, 8) 278 #define INT_AGGR_COUNTER_AND_TIMER_RESET 274 #define INT_AGGR_COUNTER_AND_TIMER_RESET 0x10000 279 #define INT_AGGR_STATUS_BIT 275 #define INT_AGGR_STATUS_BIT 0x100000 280 #define INT_AGGR_PARAM_WRITE 276 #define INT_AGGR_PARAM_WRITE 0x1000000 281 #define INT_AGGR_ENABLE 277 #define INT_AGGR_ENABLE 0x80000000 282 278 283 /* UTRLRSR - UTP Transfer Request Run-Stop Reg 279 /* UTRLRSR - UTP Transfer Request Run-Stop Register 60h */ 284 #define UTP_TRANSFER_REQ_LIST_RUN_STOP_BIT 280 #define UTP_TRANSFER_REQ_LIST_RUN_STOP_BIT 0x1 285 281 286 /* UTMRLRSR - UTP Task Management Request Run- 282 /* UTMRLRSR - UTP Task Management Request Run-Stop Register 80h */ 287 #define UTP_TASK_REQ_LIST_RUN_STOP_BIT 283 #define UTP_TASK_REQ_LIST_RUN_STOP_BIT 0x1 288 284 289 /* REG_UFS_MEM_CFG - Global Config Registers 3 << 290 #define MCQ_MODE_SELECT BIT(0) << 291 << 292 /* CQISy - CQ y Interrupt Status Register */ 285 /* CQISy - CQ y Interrupt Status Register */ 293 #define UFSHCD_MCQ_CQIS_TAIL_ENT_PUSH_STS 286 #define UFSHCD_MCQ_CQIS_TAIL_ENT_PUSH_STS 0x1 294 287 295 /* UICCMD - UIC Command */ 288 /* UICCMD - UIC Command */ 296 #define COMMAND_OPCODE_MASK 0xFF 289 #define COMMAND_OPCODE_MASK 0xFF 297 #define GEN_SELECTOR_INDEX_MASK 0xFFFF 290 #define GEN_SELECTOR_INDEX_MASK 0xFFFF 298 291 299 #define MIB_ATTRIBUTE_MASK UFS_MA 292 #define MIB_ATTRIBUTE_MASK UFS_MASK(0xFFFF, 16) 300 #define RESET_LEVEL 0xFF 293 #define RESET_LEVEL 0xFF 301 294 302 #define ATTR_SET_TYPE_MASK UFS_MA 295 #define ATTR_SET_TYPE_MASK UFS_MASK(0xFF, 16) 303 #define CONFIG_RESULT_CODE_MASK 0xFF 296 #define CONFIG_RESULT_CODE_MASK 0xFF 304 #define GENERIC_ERROR_CODE_MASK 0xFF 297 #define GENERIC_ERROR_CODE_MASK 0xFF 305 298 306 /* GenSelectorIndex calculation macros for M-P 299 /* GenSelectorIndex calculation macros for M-PHY attributes */ 307 #define UIC_ARG_MPHY_TX_GEN_SEL_INDEX(lane) (l 300 #define UIC_ARG_MPHY_TX_GEN_SEL_INDEX(lane) (lane) 308 #define UIC_ARG_MPHY_RX_GEN_SEL_INDEX(lane) (P 301 #define UIC_ARG_MPHY_RX_GEN_SEL_INDEX(lane) (PA_MAXDATALANES + (lane)) 309 302 310 #define UIC_ARG_MIB_SEL(attr, sel) ((((at 303 #define UIC_ARG_MIB_SEL(attr, sel) ((((attr) & 0xFFFF) << 16) |\ 311 ((sel 304 ((sel) & 0xFFFF)) 312 #define UIC_ARG_MIB(attr) UIC_AR 305 #define UIC_ARG_MIB(attr) UIC_ARG_MIB_SEL(attr, 0) 313 #define UIC_ARG_ATTR_TYPE(t) (((t) 306 #define UIC_ARG_ATTR_TYPE(t) (((t) & 0xFF) << 16) 314 #define UIC_GET_ATTR_ID(v) (((v) 307 #define UIC_GET_ATTR_ID(v) (((v) >> 16) & 0xFFFF) 315 308 316 /* Link Status*/ 309 /* Link Status*/ 317 enum link_status { 310 enum link_status { 318 UFSHCD_LINK_IS_DOWN = 1, 311 UFSHCD_LINK_IS_DOWN = 1, 319 UFSHCD_LINK_IS_UP = 2, 312 UFSHCD_LINK_IS_UP = 2, 320 }; 313 }; 321 314 322 /* UIC Commands */ 315 /* UIC Commands */ 323 enum uic_cmd_dme { 316 enum uic_cmd_dme { 324 UIC_CMD_DME_GET = 0x01 317 UIC_CMD_DME_GET = 0x01, 325 UIC_CMD_DME_SET = 0x02 318 UIC_CMD_DME_SET = 0x02, 326 UIC_CMD_DME_PEER_GET = 0x03 319 UIC_CMD_DME_PEER_GET = 0x03, 327 UIC_CMD_DME_PEER_SET = 0x04 320 UIC_CMD_DME_PEER_SET = 0x04, 328 UIC_CMD_DME_POWERON = 0x10 321 UIC_CMD_DME_POWERON = 0x10, 329 UIC_CMD_DME_POWEROFF = 0x11 322 UIC_CMD_DME_POWEROFF = 0x11, 330 UIC_CMD_DME_ENABLE = 0x12 323 UIC_CMD_DME_ENABLE = 0x12, 331 UIC_CMD_DME_RESET = 0x14 324 UIC_CMD_DME_RESET = 0x14, 332 UIC_CMD_DME_END_PT_RST = 0x15 325 UIC_CMD_DME_END_PT_RST = 0x15, 333 UIC_CMD_DME_LINK_STARTUP = 0x16 326 UIC_CMD_DME_LINK_STARTUP = 0x16, 334 UIC_CMD_DME_HIBER_ENTER = 0x17 327 UIC_CMD_DME_HIBER_ENTER = 0x17, 335 UIC_CMD_DME_HIBER_EXIT = 0x18 328 UIC_CMD_DME_HIBER_EXIT = 0x18, 336 UIC_CMD_DME_TEST_MODE = 0x1A 329 UIC_CMD_DME_TEST_MODE = 0x1A, 337 }; 330 }; 338 331 339 /* UIC Config result code / Generic error code 332 /* UIC Config result code / Generic error code */ 340 enum { 333 enum { 341 UIC_CMD_RESULT_SUCCESS 334 UIC_CMD_RESULT_SUCCESS = 0x00, 342 UIC_CMD_RESULT_INVALID_ATTR 335 UIC_CMD_RESULT_INVALID_ATTR = 0x01, 343 UIC_CMD_RESULT_FAILURE 336 UIC_CMD_RESULT_FAILURE = 0x01, 344 UIC_CMD_RESULT_INVALID_ATTR_VALUE 337 UIC_CMD_RESULT_INVALID_ATTR_VALUE = 0x02, 345 UIC_CMD_RESULT_READ_ONLY_ATTR 338 UIC_CMD_RESULT_READ_ONLY_ATTR = 0x03, 346 UIC_CMD_RESULT_WRITE_ONLY_ATTR 339 UIC_CMD_RESULT_WRITE_ONLY_ATTR = 0x04, 347 UIC_CMD_RESULT_BAD_INDEX 340 UIC_CMD_RESULT_BAD_INDEX = 0x05, 348 UIC_CMD_RESULT_LOCKED_ATTR 341 UIC_CMD_RESULT_LOCKED_ATTR = 0x06, 349 UIC_CMD_RESULT_BAD_TEST_FEATURE_INDEX 342 UIC_CMD_RESULT_BAD_TEST_FEATURE_INDEX = 0x07, 350 UIC_CMD_RESULT_PEER_COMM_FAILURE 343 UIC_CMD_RESULT_PEER_COMM_FAILURE = 0x08, 351 UIC_CMD_RESULT_BUSY 344 UIC_CMD_RESULT_BUSY = 0x09, 352 UIC_CMD_RESULT_DME_FAILURE 345 UIC_CMD_RESULT_DME_FAILURE = 0x0A, 353 }; 346 }; 354 347 355 #define MASK_UIC_COMMAND_RESULT 348 #define MASK_UIC_COMMAND_RESULT 0xFF 356 349 357 #define INT_AGGR_COUNTER_THLD_VAL(c) (((c) 350 #define INT_AGGR_COUNTER_THLD_VAL(c) (((c) & 0x1F) << 8) 358 #define INT_AGGR_TIMEOUT_VAL(t) (((t) 351 #define INT_AGGR_TIMEOUT_VAL(t) (((t) & 0xFF) << 0) 359 352 360 /* Interrupt disable masks */ 353 /* Interrupt disable masks */ 361 enum { 354 enum { >> 355 /* Interrupt disable mask for UFSHCI v1.0 */ >> 356 INTERRUPT_MASK_ALL_VER_10 = 0x30FFF, >> 357 INTERRUPT_MASK_RW_VER_10 = 0x30000, >> 358 362 /* Interrupt disable mask for UFSHCI v 359 /* Interrupt disable mask for UFSHCI v1.1 */ 363 INTERRUPT_MASK_ALL_VER_11 = 0x31 !! 360 INTERRUPT_MASK_ALL_VER_11 = 0x31FFF, 364 361 365 /* Interrupt disable mask for UFSHCI v 362 /* Interrupt disable mask for UFSHCI v2.1 */ 366 INTERRUPT_MASK_ALL_VER_21 = 0x71 363 INTERRUPT_MASK_ALL_VER_21 = 0x71FFF, 367 }; 364 }; 368 365 369 /* CCAP - Crypto Capability 100h */ 366 /* CCAP - Crypto Capability 100h */ 370 union ufs_crypto_capabilities { 367 union ufs_crypto_capabilities { 371 __le32 reg_val; 368 __le32 reg_val; 372 struct { 369 struct { 373 u8 num_crypto_cap; 370 u8 num_crypto_cap; 374 u8 config_count; 371 u8 config_count; 375 u8 reserved; 372 u8 reserved; 376 u8 config_array_ptr; 373 u8 config_array_ptr; 377 }; 374 }; 378 }; 375 }; 379 376 380 enum ufs_crypto_key_size { 377 enum ufs_crypto_key_size { 381 UFS_CRYPTO_KEY_SIZE_INVALID = 0x0, 378 UFS_CRYPTO_KEY_SIZE_INVALID = 0x0, 382 UFS_CRYPTO_KEY_SIZE_128 = 0x1, 379 UFS_CRYPTO_KEY_SIZE_128 = 0x1, 383 UFS_CRYPTO_KEY_SIZE_192 = 0x2, 380 UFS_CRYPTO_KEY_SIZE_192 = 0x2, 384 UFS_CRYPTO_KEY_SIZE_256 = 0x3, 381 UFS_CRYPTO_KEY_SIZE_256 = 0x3, 385 UFS_CRYPTO_KEY_SIZE_512 = 0x4, 382 UFS_CRYPTO_KEY_SIZE_512 = 0x4, 386 }; 383 }; 387 384 388 enum ufs_crypto_alg { 385 enum ufs_crypto_alg { 389 UFS_CRYPTO_ALG_AES_XTS 386 UFS_CRYPTO_ALG_AES_XTS = 0x0, 390 UFS_CRYPTO_ALG_BITLOCKER_AES_CBC 387 UFS_CRYPTO_ALG_BITLOCKER_AES_CBC = 0x1, 391 UFS_CRYPTO_ALG_AES_ECB 388 UFS_CRYPTO_ALG_AES_ECB = 0x2, 392 UFS_CRYPTO_ALG_ESSIV_AES_CBC 389 UFS_CRYPTO_ALG_ESSIV_AES_CBC = 0x3, 393 }; 390 }; 394 391 395 /* x-CRYPTOCAP - Crypto Capability X */ 392 /* x-CRYPTOCAP - Crypto Capability X */ 396 union ufs_crypto_cap_entry { 393 union ufs_crypto_cap_entry { 397 __le32 reg_val; 394 __le32 reg_val; 398 struct { 395 struct { 399 u8 algorithm_id; 396 u8 algorithm_id; 400 u8 sdus_mask; /* Supported dat 397 u8 sdus_mask; /* Supported data unit size mask */ 401 u8 key_size; 398 u8 key_size; 402 u8 reserved; 399 u8 reserved; 403 }; 400 }; 404 }; 401 }; 405 402 406 #define UFS_CRYPTO_CONFIGURATION_ENABLE (1 << 403 #define UFS_CRYPTO_CONFIGURATION_ENABLE (1 << 7) 407 #define UFS_CRYPTO_KEY_MAX_SIZE 64 404 #define UFS_CRYPTO_KEY_MAX_SIZE 64 408 /* x-CRYPTOCFG - Crypto Configuration X */ 405 /* x-CRYPTOCFG - Crypto Configuration X */ 409 union ufs_crypto_cfg_entry { 406 union ufs_crypto_cfg_entry { 410 __le32 reg_val[32]; 407 __le32 reg_val[32]; 411 struct { 408 struct { 412 u8 crypto_key[UFS_CRYPTO_KEY_M 409 u8 crypto_key[UFS_CRYPTO_KEY_MAX_SIZE]; 413 u8 data_unit_size; 410 u8 data_unit_size; 414 u8 crypto_cap_idx; 411 u8 crypto_cap_idx; 415 u8 reserved_1; 412 u8 reserved_1; 416 u8 config_enable; 413 u8 config_enable; 417 u8 reserved_multi_host; 414 u8 reserved_multi_host; 418 u8 reserved_2; 415 u8 reserved_2; 419 u8 vsb[2]; 416 u8 vsb[2]; 420 u8 reserved_3[56]; 417 u8 reserved_3[56]; 421 }; 418 }; 422 }; 419 }; 423 420 424 /* 421 /* 425 * Request Descriptor Definitions 422 * Request Descriptor Definitions 426 */ 423 */ >> 424 >> 425 /* Transfer request command type */ >> 426 enum { >> 427 UTP_CMD_TYPE_SCSI = 0x0, >> 428 UTP_CMD_TYPE_UFS = 0x1, >> 429 UTP_CMD_TYPE_DEV_MANAGE = 0x2, >> 430 }; 427 431 428 /* To accommodate UFS2.0 required Command type 432 /* To accommodate UFS2.0 required Command type */ 429 enum { 433 enum { 430 UTP_CMD_TYPE_UFS_STORAGE = 0x1, 434 UTP_CMD_TYPE_UFS_STORAGE = 0x1, 431 }; 435 }; 432 436 433 enum { 437 enum { 434 UTP_SCSI_COMMAND = 0x00 438 UTP_SCSI_COMMAND = 0x00000000, 435 UTP_NATIVE_UFS_COMMAND = 0x10 439 UTP_NATIVE_UFS_COMMAND = 0x10000000, 436 UTP_DEVICE_MANAGEMENT_FUNCTION = 0x20 440 UTP_DEVICE_MANAGEMENT_FUNCTION = 0x20000000, 437 }; 441 }; 438 442 439 /* UTP Transfer Request Data Direction (DD) */ 443 /* UTP Transfer Request Data Direction (DD) */ 440 enum utp_data_direction { 444 enum utp_data_direction { 441 UTP_NO_DATA_TRANSFER = 0, 445 UTP_NO_DATA_TRANSFER = 0, 442 UTP_HOST_TO_DEVICE = 1, 446 UTP_HOST_TO_DEVICE = 1, 443 UTP_DEVICE_TO_HOST = 2, 447 UTP_DEVICE_TO_HOST = 2, 444 }; 448 }; 445 449 446 /* Overall command status values */ 450 /* Overall command status values */ 447 enum utp_ocs { 451 enum utp_ocs { 448 OCS_SUCCESS = 0x0, 452 OCS_SUCCESS = 0x0, 449 OCS_INVALID_CMD_TABLE_ATTR = 0x1, 453 OCS_INVALID_CMD_TABLE_ATTR = 0x1, 450 OCS_INVALID_PRDT_ATTR = 0x2, 454 OCS_INVALID_PRDT_ATTR = 0x2, 451 OCS_MISMATCH_DATA_BUF_SIZE = 0x3, 455 OCS_MISMATCH_DATA_BUF_SIZE = 0x3, 452 OCS_MISMATCH_RESP_UPIU_SIZE = 0x4, 456 OCS_MISMATCH_RESP_UPIU_SIZE = 0x4, 453 OCS_PEER_COMM_FAILURE = 0x5, 457 OCS_PEER_COMM_FAILURE = 0x5, 454 OCS_ABORTED = 0x6, 458 OCS_ABORTED = 0x6, 455 OCS_FATAL_ERROR = 0x7, 459 OCS_FATAL_ERROR = 0x7, 456 OCS_DEVICE_FATAL_ERROR = 0x8, 460 OCS_DEVICE_FATAL_ERROR = 0x8, 457 OCS_INVALID_CRYPTO_CONFIG = 0x9, 461 OCS_INVALID_CRYPTO_CONFIG = 0x9, 458 OCS_GENERAL_CRYPTO_ERROR = 0xA, 462 OCS_GENERAL_CRYPTO_ERROR = 0xA, 459 OCS_INVALID_COMMAND_STATUS = 0x0F 463 OCS_INVALID_COMMAND_STATUS = 0x0F, 460 }; 464 }; 461 465 462 enum { 466 enum { 463 MASK_OCS = 0x0F 467 MASK_OCS = 0x0F, 464 }; 468 }; 465 469 466 /* The maximum length of the data byte count f 470 /* The maximum length of the data byte count field in the PRDT is 256KB */ 467 #define PRDT_DATA_BYTE_COUNT_MAX SZ_256 471 #define PRDT_DATA_BYTE_COUNT_MAX SZ_256K 468 /* The granularity of the data byte count fiel 472 /* The granularity of the data byte count field in the PRDT is 32-bit */ 469 #define PRDT_DATA_BYTE_COUNT_PAD 4 473 #define PRDT_DATA_BYTE_COUNT_PAD 4 470 474 471 /** 475 /** 472 * struct ufshcd_sg_entry - UFSHCI PRD Entry 476 * struct ufshcd_sg_entry - UFSHCI PRD Entry 473 * @addr: Physical address; DW-0 and DW-1. 477 * @addr: Physical address; DW-0 and DW-1. 474 * @reserved: Reserved for future use DW-2 478 * @reserved: Reserved for future use DW-2 475 * @size: size of physical segment DW-3 479 * @size: size of physical segment DW-3 476 */ 480 */ 477 struct ufshcd_sg_entry { 481 struct ufshcd_sg_entry { 478 __le64 addr; 482 __le64 addr; 479 __le32 reserved; 483 __le32 reserved; 480 __le32 size; 484 __le32 size; 481 /* 485 /* 482 * followed by variant-specific fields 486 * followed by variant-specific fields if 483 * CONFIG_SCSI_UFS_VARIABLE_SG_ENTRY_S 487 * CONFIG_SCSI_UFS_VARIABLE_SG_ENTRY_SIZE has been defined. 484 */ 488 */ 485 }; 489 }; 486 490 487 /** 491 /** 488 * struct utp_transfer_cmd_desc - UTP Command 492 * struct utp_transfer_cmd_desc - UTP Command Descriptor (UCD) 489 * @command_upiu: Command UPIU Frame address 493 * @command_upiu: Command UPIU Frame address 490 * @response_upiu: Response UPIU Frame address 494 * @response_upiu: Response UPIU Frame address 491 * @prd_table: Physical Region Descriptor: an 495 * @prd_table: Physical Region Descriptor: an array of SG_ALL struct 492 * ufshcd_sg_entry's. Variant-specific f 496 * ufshcd_sg_entry's. Variant-specific fields may be present after each. 493 */ 497 */ 494 struct utp_transfer_cmd_desc { 498 struct utp_transfer_cmd_desc { 495 u8 command_upiu[ALIGNED_UPIU_SIZE]; 499 u8 command_upiu[ALIGNED_UPIU_SIZE]; 496 u8 response_upiu[ALIGNED_UPIU_SIZE]; 500 u8 response_upiu[ALIGNED_UPIU_SIZE]; 497 u8 prd_table[]; 501 u8 prd_table[]; 498 }; 502 }; 499 503 500 /** 504 /** 501 * struct request_desc_header - Descriptor Hea 505 * struct request_desc_header - Descriptor Header common to both UTRD and UTMRD 502 */ 506 */ 503 struct request_desc_header { 507 struct request_desc_header { 504 u8 cci; 508 u8 cci; 505 u8 ehs_length; 509 u8 ehs_length; 506 #if defined(__BIG_ENDIAN) 510 #if defined(__BIG_ENDIAN) 507 u8 enable_crypto:1; 511 u8 enable_crypto:1; 508 u8 reserved2:7; 512 u8 reserved2:7; 509 513 510 u8 command_type:4; 514 u8 command_type:4; 511 u8 reserved1:1; 515 u8 reserved1:1; 512 u8 data_direction:2; 516 u8 data_direction:2; 513 u8 interrupt:1; 517 u8 interrupt:1; 514 #elif defined(__LITTLE_ENDIAN) 518 #elif defined(__LITTLE_ENDIAN) 515 u8 reserved2:7; 519 u8 reserved2:7; 516 u8 enable_crypto:1; 520 u8 enable_crypto:1; 517 521 518 u8 interrupt:1; 522 u8 interrupt:1; 519 u8 data_direction:2; 523 u8 data_direction:2; 520 u8 reserved1:1; 524 u8 reserved1:1; 521 u8 command_type:4; 525 u8 command_type:4; 522 #else 526 #else 523 #error 527 #error 524 #endif 528 #endif 525 529 526 __le32 dunl; 530 __le32 dunl; 527 u8 ocs; 531 u8 ocs; 528 u8 cds; 532 u8 cds; 529 __le16 ldbc; 533 __le16 ldbc; 530 __le32 dunu; 534 __le32 dunu; 531 }; 535 }; 532 536 533 static_assert(sizeof(struct request_desc_heade 537 static_assert(sizeof(struct request_desc_header) == 16); 534 538 535 /** 539 /** 536 * struct utp_transfer_req_desc - UTP Transfer 540 * struct utp_transfer_req_desc - UTP Transfer Request Descriptor (UTRD) 537 * @header: UTRD header DW-0 to DW-3 541 * @header: UTRD header DW-0 to DW-3 538 * @command_desc_base_addr: UCD base address D 542 * @command_desc_base_addr: UCD base address DW 4-5 539 * @response_upiu_length: response UPIU length 543 * @response_upiu_length: response UPIU length DW-6 540 * @response_upiu_offset: response UPIU offset 544 * @response_upiu_offset: response UPIU offset DW-6 541 * @prd_table_length: Physical region descript 545 * @prd_table_length: Physical region descriptor length DW-7 542 * @prd_table_offset: Physical region descript 546 * @prd_table_offset: Physical region descriptor offset DW-7 543 */ 547 */ 544 struct utp_transfer_req_desc { 548 struct utp_transfer_req_desc { 545 549 546 /* DW 0-3 */ 550 /* DW 0-3 */ 547 struct request_desc_header header; 551 struct request_desc_header header; 548 552 549 /* DW 4-5*/ 553 /* DW 4-5*/ 550 __le64 command_desc_base_addr; 554 __le64 command_desc_base_addr; 551 555 552 /* DW 6 */ 556 /* DW 6 */ 553 __le16 response_upiu_length; 557 __le16 response_upiu_length; 554 __le16 response_upiu_offset; 558 __le16 response_upiu_offset; 555 559 556 /* DW 7 */ 560 /* DW 7 */ 557 __le16 prd_table_length; 561 __le16 prd_table_length; 558 __le16 prd_table_offset; 562 __le16 prd_table_offset; 559 }; 563 }; 560 564 561 /* MCQ Completion Queue Entry */ 565 /* MCQ Completion Queue Entry */ 562 struct cq_entry { 566 struct cq_entry { 563 /* DW 0-1 */ 567 /* DW 0-1 */ 564 __le64 command_desc_base_addr; 568 __le64 command_desc_base_addr; 565 569 566 /* DW 2 */ 570 /* DW 2 */ 567 __le16 response_upiu_length; 571 __le16 response_upiu_length; 568 __le16 response_upiu_offset; 572 __le16 response_upiu_offset; 569 573 570 /* DW 3 */ 574 /* DW 3 */ 571 __le16 prd_table_length; 575 __le16 prd_table_length; 572 __le16 prd_table_offset; 576 __le16 prd_table_offset; 573 577 574 /* DW 4 */ 578 /* DW 4 */ 575 __le32 status; 579 __le32 status; 576 580 577 /* DW 5-7 */ 581 /* DW 5-7 */ 578 __le32 reserved[3]; 582 __le32 reserved[3]; 579 }; 583 }; 580 584 581 static_assert(sizeof(struct cq_entry) == 32); 585 static_assert(sizeof(struct cq_entry) == 32); 582 586 583 /* 587 /* 584 * UTMRD structure. 588 * UTMRD structure. 585 */ 589 */ 586 struct utp_task_req_desc { 590 struct utp_task_req_desc { 587 /* DW 0-3 */ 591 /* DW 0-3 */ 588 struct request_desc_header header; 592 struct request_desc_header header; 589 593 590 /* DW 4-11 - Task request UPIU structu 594 /* DW 4-11 - Task request UPIU structure */ 591 struct { 595 struct { 592 struct utp_upiu_header req_he 596 struct utp_upiu_header req_header; 593 __be32 input_ 597 __be32 input_param1; 594 __be32 input_ 598 __be32 input_param2; 595 __be32 input_ 599 __be32 input_param3; 596 __be32 __rese 600 __be32 __reserved1[2]; 597 } upiu_req; 601 } upiu_req; 598 602 599 /* DW 12-19 - Task Management Response 603 /* DW 12-19 - Task Management Response UPIU structure */ 600 struct { 604 struct { 601 struct utp_upiu_header rsp_he 605 struct utp_upiu_header rsp_header; 602 __be32 output 606 __be32 output_param1; 603 __be32 output 607 __be32 output_param2; 604 __be32 __rese 608 __be32 __reserved2[3]; 605 } upiu_rsp; 609 } upiu_rsp; 606 }; 610 }; 607 611 608 #endif /* End of Header */ 612 #endif /* End of Header */ 609 613
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.