drivers/scsi/hisi_sas/hisi_sas_v2_hw.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2 /*
   3  * Copyright (c) 2016 Linaro Ltd.
   4  * Copyright (c) 2016 Hisilicon Limited.
   5  */
   6
   7 #include "hisi_sas.h"
   8 #define DRV_NAME "hisi_sas_v2_hw"
   9
  10 /* global registers need init*/
  11 #define DLVRY_QUEUE_ENABLE              0x0
  12 #define IOST_BASE_ADDR_LO               0x8
  13 #define IOST_BASE_ADDR_HI               0xc
  14 #define ITCT_BASE_ADDR_LO               0x10
  15 #define ITCT_BASE_ADDR_HI               0x14
  16 #define IO_BROKEN_MSG_ADDR_LO           0x18
  17 #define IO_BROKEN_MSG_ADDR_HI           0x1c
  18 #define PHY_CONTEXT                     0x20
  19 #define PHY_STATE                       0x24
  20 #define PHY_PORT_NUM_MA                 0x28
  21 #define PORT_STATE                      0x2c
  22 #define PORT_STATE_PHY8_PORT_NUM_OFF    16
  23 #define PORT_STATE_PHY8_PORT_NUM_MSK    (0xf << PORT_STATE_PHY8_PORT_NUM_OFF)
  24 #define PORT_STATE_PHY8_CONN_RATE_OFF   20
  25 #define PORT_STATE_PHY8_CONN_RATE_MSK   (0xf << PORT_STATE_PHY8_CONN_RATE_OFF)
  26 #define PHY_CONN_RATE                   0x30
  27 #define HGC_TRANS_TASK_CNT_LIMIT        0x38
  28 #define AXI_AHB_CLK_CFG                 0x3c
  29 #define ITCT_CLR                        0x44
  30 #define ITCT_CLR_EN_OFF                 16
  31 #define ITCT_CLR_EN_MSK                 (0x1 << ITCT_CLR_EN_OFF)
  32 #define ITCT_DEV_OFF                    0
  33 #define ITCT_DEV_MSK                    (0x7ff << ITCT_DEV_OFF)
  34 #define AXI_USER1                       0x48
  35 #define AXI_USER2                       0x4c
  36 #define IO_SATA_BROKEN_MSG_ADDR_LO      0x58
  37 #define IO_SATA_BROKEN_MSG_ADDR_HI      0x5c
  38 #define SATA_INITI_D2H_STORE_ADDR_LO    0x60
  39 #define SATA_INITI_D2H_STORE_ADDR_HI    0x64
  40 #define HGC_SAS_TX_OPEN_FAIL_RETRY_CTRL 0x84
  41 #define HGC_SAS_TXFAIL_RETRY_CTRL       0x88
  42 #define HGC_GET_ITV_TIME                0x90
  43 #define DEVICE_MSG_WORK_MODE            0x94
  44 #define OPENA_WT_CONTI_TIME             0x9c
  45 #define I_T_NEXUS_LOSS_TIME             0xa0
  46 #define MAX_CON_TIME_LIMIT_TIME         0xa4
  47 #define BUS_INACTIVE_LIMIT_TIME         0xa8
  48 #define REJECT_TO_OPEN_LIMIT_TIME       0xac
  49 #define CFG_AGING_TIME                  0xbc
  50 #define HGC_DFX_CFG2                    0xc0
  51 #define HGC_IOMB_PROC1_STATUS   0x104
  52 #define CFG_1US_TIMER_TRSH              0xcc
  53 #define HGC_LM_DFX_STATUS2              0x128
  54 #define HGC_LM_DFX_STATUS2_IOSTLIST_OFF         0
  55 #define HGC_LM_DFX_STATUS2_IOSTLIST_MSK (0xfff << \
  56                                          HGC_LM_DFX_STATUS2_IOSTLIST_OFF)
  57 #define HGC_LM_DFX_STATUS2_ITCTLIST_OFF         12
  58 #define HGC_LM_DFX_STATUS2_ITCTLIST_MSK (0x7ff << \
  59                                          HGC_LM_DFX_STATUS2_ITCTLIST_OFF)
  60 #define HGC_CQE_ECC_ADDR                0x13c
  61 #define HGC_CQE_ECC_1B_ADDR_OFF 0
  62 #define HGC_CQE_ECC_1B_ADDR_MSK (0x3f << HGC_CQE_ECC_1B_ADDR_OFF)
  63 #define HGC_CQE_ECC_MB_ADDR_OFF 8
  64 #define HGC_CQE_ECC_MB_ADDR_MSK (0x3f << HGC_CQE_ECC_MB_ADDR_OFF)
  65 #define HGC_IOST_ECC_ADDR               0x140
  66 #define HGC_IOST_ECC_1B_ADDR_OFF        0
  67 #define HGC_IOST_ECC_1B_ADDR_MSK        (0x3ff << HGC_IOST_ECC_1B_ADDR_OFF)
  68 #define HGC_IOST_ECC_MB_ADDR_OFF        16
  69 #define HGC_IOST_ECC_MB_ADDR_MSK        (0x3ff << HGC_IOST_ECC_MB_ADDR_OFF)
  70 #define HGC_DQE_ECC_ADDR                0x144
  71 #define HGC_DQE_ECC_1B_ADDR_OFF 0
  72 #define HGC_DQE_ECC_1B_ADDR_MSK (0xfff << HGC_DQE_ECC_1B_ADDR_OFF)
  73 #define HGC_DQE_ECC_MB_ADDR_OFF 16
  74 #define HGC_DQE_ECC_MB_ADDR_MSK (0xfff << HGC_DQE_ECC_MB_ADDR_OFF)
  75 #define HGC_INVLD_DQE_INFO              0x148
  76 #define HGC_INVLD_DQE_INFO_FB_CH0_OFF   9
  77 #define HGC_INVLD_DQE_INFO_FB_CH0_MSK   (0x1 << HGC_INVLD_DQE_INFO_FB_CH0_OFF)
  78 #define HGC_INVLD_DQE_INFO_FB_CH3_OFF   18
  79 #define HGC_ITCT_ECC_ADDR               0x150
  80 #define HGC_ITCT_ECC_1B_ADDR_OFF                0
  81 #define HGC_ITCT_ECC_1B_ADDR_MSK                (0x3ff << \
  82                                                  HGC_ITCT_ECC_1B_ADDR_OFF)
  83 #define HGC_ITCT_ECC_MB_ADDR_OFF                16
  84 #define HGC_ITCT_ECC_MB_ADDR_MSK                (0x3ff << \
  85                                                  HGC_ITCT_ECC_MB_ADDR_OFF)
  86 #define HGC_AXI_FIFO_ERR_INFO   0x154
  87 #define AXI_ERR_INFO_OFF                0
  88 #define AXI_ERR_INFO_MSK                (0xff << AXI_ERR_INFO_OFF)
  89 #define FIFO_ERR_INFO_OFF               8
  90 #define FIFO_ERR_INFO_MSK               (0xff << FIFO_ERR_INFO_OFF)
  91 #define INT_COAL_EN                     0x19c
  92 #define OQ_INT_COAL_TIME                0x1a0
  93 #define OQ_INT_COAL_CNT                 0x1a4
  94 #define ENT_INT_COAL_TIME               0x1a8
  95 #define ENT_INT_COAL_CNT                0x1ac
  96 #define OQ_INT_SRC                      0x1b0
  97 #define OQ_INT_SRC_MSK                  0x1b4
  98 #define ENT_INT_SRC1                    0x1b8
  99 #define ENT_INT_SRC1_D2H_FIS_CH0_OFF    0
 100 #define ENT_INT_SRC1_D2H_FIS_CH0_MSK    (0x1 << ENT_INT_SRC1_D2H_FIS_CH0_OFF)
 101 #define ENT_INT_SRC1_D2H_FIS_CH1_OFF    8
 102 #define ENT_INT_SRC1_D2H_FIS_CH1_MSK    (0x1 << ENT_INT_SRC1_D2H_FIS_CH1_OFF)
 103 #define ENT_INT_SRC2                    0x1bc
 104 #define ENT_INT_SRC3                    0x1c0
 105 #define ENT_INT_SRC3_WP_DEPTH_OFF               8
 106 #define ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF      9
 107 #define ENT_INT_SRC3_RP_DEPTH_OFF               10
 108 #define ENT_INT_SRC3_AXI_OFF                    11
 109 #define ENT_INT_SRC3_FIFO_OFF                   12
 110 #define ENT_INT_SRC3_LM_OFF                             14
 111 #define ENT_INT_SRC3_ITC_INT_OFF        15
 112 #define ENT_INT_SRC3_ITC_INT_MSK        (0x1 << ENT_INT_SRC3_ITC_INT_OFF)
 113 #define ENT_INT_SRC3_ABT_OFF            16
 114 #define ENT_INT_SRC_MSK1                0x1c4
 115 #define ENT_INT_SRC_MSK2                0x1c8
 116 #define ENT_INT_SRC_MSK3                0x1cc
 117 #define ENT_INT_SRC_MSK3_ENT95_MSK_OFF  31
 118 #define ENT_INT_SRC_MSK3_ENT95_MSK_MSK  (0x1 << ENT_INT_SRC_MSK3_ENT95_MSK_OFF)
 119 #define SAS_ECC_INTR                    0x1e8
 120 #define SAS_ECC_INTR_DQE_ECC_1B_OFF             0
 121 #define SAS_ECC_INTR_DQE_ECC_MB_OFF             1
 122 #define SAS_ECC_INTR_IOST_ECC_1B_OFF    2
 123 #define SAS_ECC_INTR_IOST_ECC_MB_OFF    3
 124 #define SAS_ECC_INTR_ITCT_ECC_MB_OFF    4
 125 #define SAS_ECC_INTR_ITCT_ECC_1B_OFF    5
 126 #define SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF        6
 127 #define SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF        7
 128 #define SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF        8
 129 #define SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF        9
 130 #define SAS_ECC_INTR_CQE_ECC_1B_OFF             10
 131 #define SAS_ECC_INTR_CQE_ECC_MB_OFF             11
 132 #define SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF        12
 133 #define SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF        13
 134 #define SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF        14
 135 #define SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF        15
 136 #define SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF        16
 137 #define SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF        17
 138 #define SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF        18
 139 #define SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF        19
 140 #define SAS_ECC_INTR_MSK                0x1ec
 141 #define HGC_ERR_STAT_EN                 0x238
 142 #define CQE_SEND_CNT                    0x248
 143 #define DLVRY_Q_0_BASE_ADDR_LO          0x260
 144 #define DLVRY_Q_0_BASE_ADDR_HI          0x264
 145 #define DLVRY_Q_0_DEPTH                 0x268
 146 #define DLVRY_Q_0_WR_PTR                0x26c
 147 #define DLVRY_Q_0_RD_PTR                0x270
 148 #define HYPER_STREAM_ID_EN_CFG          0xc80
 149 #define OQ0_INT_SRC_MSK                 0xc90
 150 #define COMPL_Q_0_BASE_ADDR_LO          0x4e0
 151 #define COMPL_Q_0_BASE_ADDR_HI          0x4e4
 152 #define COMPL_Q_0_DEPTH                 0x4e8
 153 #define COMPL_Q_0_WR_PTR                0x4ec
 154 #define COMPL_Q_0_RD_PTR                0x4f0
 155 #define HGC_RXM_DFX_STATUS14    0xae8
 156 #define HGC_RXM_DFX_STATUS14_MEM0_OFF           0
 157 #define HGC_RXM_DFX_STATUS14_MEM0_MSK           (0x1ff << \
 158                                                  HGC_RXM_DFX_STATUS14_MEM0_OFF)
 159 #define HGC_RXM_DFX_STATUS14_MEM1_OFF           9
 160 #define HGC_RXM_DFX_STATUS14_MEM1_MSK           (0x1ff << \
 161                                                  HGC_RXM_DFX_STATUS14_MEM1_OFF)
 162 #define HGC_RXM_DFX_STATUS14_MEM2_OFF           18
 163 #define HGC_RXM_DFX_STATUS14_MEM2_MSK           (0x1ff << \
 164                                                  HGC_RXM_DFX_STATUS14_MEM2_OFF)
 165 #define HGC_RXM_DFX_STATUS15    0xaec
 166 #define HGC_RXM_DFX_STATUS15_MEM3_OFF           0
 167 #define HGC_RXM_DFX_STATUS15_MEM3_MSK           (0x1ff << \
 168                                                  HGC_RXM_DFX_STATUS15_MEM3_OFF)
 169 /* phy registers need init */
 170 #define PORT_BASE                       (0x2000)
 171
 172 #define PHY_CFG                         (PORT_BASE + 0x0)
 173 #define HARD_PHY_LINKRATE               (PORT_BASE + 0x4)
 174 #define PHY_CFG_ENA_OFF                 0
 175 #define PHY_CFG_ENA_MSK                 (0x1 << PHY_CFG_ENA_OFF)
 176 #define PHY_CFG_DC_OPT_OFF              2
 177 #define PHY_CFG_DC_OPT_MSK              (0x1 << PHY_CFG_DC_OPT_OFF)
 178 #define PROG_PHY_LINK_RATE              (PORT_BASE + 0x8)
 179 #define PROG_PHY_LINK_RATE_MAX_OFF      0
 180 #define PROG_PHY_LINK_RATE_MAX_MSK      (0xff << PROG_PHY_LINK_RATE_MAX_OFF)
 181 #define PHY_CTRL                        (PORT_BASE + 0x14)
 182 #define PHY_CTRL_RESET_OFF              0
 183 #define PHY_CTRL_RESET_MSK              (0x1 << PHY_CTRL_RESET_OFF)
 184 #define SAS_PHY_CTRL                    (PORT_BASE + 0x20)
 185 #define SL_CFG                          (PORT_BASE + 0x84)
 186 #define PHY_PCN                         (PORT_BASE + 0x44)
 187 #define SL_TOUT_CFG                     (PORT_BASE + 0x8c)
 188 #define SL_CONTROL                      (PORT_BASE + 0x94)
 189 #define SL_CONTROL_NOTIFY_EN_OFF        0
 190 #define SL_CONTROL_NOTIFY_EN_MSK        (0x1 << SL_CONTROL_NOTIFY_EN_OFF)
 191 #define SL_CONTROL_CTA_OFF              17
 192 #define SL_CONTROL_CTA_MSK              (0x1 << SL_CONTROL_CTA_OFF)
 193 #define RX_PRIMS_STATUS                 (PORT_BASE + 0x98)
 194 #define RX_BCAST_CHG_OFF                1
 195 #define RX_BCAST_CHG_MSK                (0x1 << RX_BCAST_CHG_OFF)
 196 #define TX_ID_DWORD0                    (PORT_BASE + 0x9c)
 197 #define TX_ID_DWORD1                    (PORT_BASE + 0xa0)
 198 #define TX_ID_DWORD2                    (PORT_BASE + 0xa4)
 199 #define TX_ID_DWORD3                    (PORT_BASE + 0xa8)
 200 #define TX_ID_DWORD4                    (PORT_BASE + 0xaC)
 201 #define TX_ID_DWORD5                    (PORT_BASE + 0xb0)
 202 #define TX_ID_DWORD6                    (PORT_BASE + 0xb4)
 203 #define TXID_AUTO                       (PORT_BASE + 0xb8)
 204 #define TXID_AUTO_CT3_OFF               1
 205 #define TXID_AUTO_CT3_MSK               (0x1 << TXID_AUTO_CT3_OFF)
 206 #define TXID_AUTO_CTB_OFF               11
 207 #define TXID_AUTO_CTB_MSK               (0x1 << TXID_AUTO_CTB_OFF)
 208 #define TX_HARDRST_OFF                  2
 209 #define TX_HARDRST_MSK                  (0x1 << TX_HARDRST_OFF)
 210 #define RX_IDAF_DWORD0                  (PORT_BASE + 0xc4)
 211 #define RX_IDAF_DWORD1                  (PORT_BASE + 0xc8)
 212 #define RX_IDAF_DWORD2                  (PORT_BASE + 0xcc)
 213 #define RX_IDAF_DWORD3                  (PORT_BASE + 0xd0)
 214 #define RX_IDAF_DWORD4                  (PORT_BASE + 0xd4)
 215 #define RX_IDAF_DWORD5                  (PORT_BASE + 0xd8)
 216 #define RX_IDAF_DWORD6                  (PORT_BASE + 0xdc)
 217 #define RXOP_CHECK_CFG_H                (PORT_BASE + 0xfc)
 218 #define CON_CONTROL                     (PORT_BASE + 0x118)
 219 #define CON_CONTROL_CFG_OPEN_ACC_STP_OFF        0
 220 #define CON_CONTROL_CFG_OPEN_ACC_STP_MSK        \
 221                 (0x01 << CON_CONTROL_CFG_OPEN_ACC_STP_OFF)
 222 #define DONE_RECEIVED_TIME              (PORT_BASE + 0x11c)
 223 #define CHL_INT0                        (PORT_BASE + 0x1b4)
 224 #define CHL_INT0_HOTPLUG_TOUT_OFF       0
 225 #define CHL_INT0_HOTPLUG_TOUT_MSK       (0x1 << CHL_INT0_HOTPLUG_TOUT_OFF)
 226 #define CHL_INT0_SL_RX_BCST_ACK_OFF     1
 227 #define CHL_INT0_SL_RX_BCST_ACK_MSK     (0x1 << CHL_INT0_SL_RX_BCST_ACK_OFF)
 228 #define CHL_INT0_SL_PHY_ENABLE_OFF      2
 229 #define CHL_INT0_SL_PHY_ENABLE_MSK      (0x1 << CHL_INT0_SL_PHY_ENABLE_OFF)
 230 #define CHL_INT0_NOT_RDY_OFF            4
 231 #define CHL_INT0_NOT_RDY_MSK            (0x1 << CHL_INT0_NOT_RDY_OFF)
 232 #define CHL_INT0_PHY_RDY_OFF            5
 233 #define CHL_INT0_PHY_RDY_MSK            (0x1 << CHL_INT0_PHY_RDY_OFF)
 234 #define CHL_INT1                        (PORT_BASE + 0x1b8)
 235 #define CHL_INT1_DMAC_TX_ECC_ERR_OFF    15
 236 #define CHL_INT1_DMAC_TX_ECC_ERR_MSK    (0x1 << CHL_INT1_DMAC_TX_ECC_ERR_OFF)
 237 #define CHL_INT1_DMAC_RX_ECC_ERR_OFF    17
 238 #define CHL_INT1_DMAC_RX_ECC_ERR_MSK    (0x1 << CHL_INT1_DMAC_RX_ECC_ERR_OFF)
 239 #define CHL_INT1_DMAC_TX_AXI_WR_ERR_OFF 19
 240 #define CHL_INT1_DMAC_TX_AXI_RD_ERR_OFF 20
 241 #define CHL_INT1_DMAC_RX_AXI_WR_ERR_OFF 21
 242 #define CHL_INT1_DMAC_RX_AXI_RD_ERR_OFF 22
 243 #define CHL_INT2                        (PORT_BASE + 0x1bc)
 244 #define CHL_INT2_SL_IDAF_TOUT_CONF_OFF  0
 245 #define CHL_INT0_MSK                    (PORT_BASE + 0x1c0)
 246 #define CHL_INT1_MSK                    (PORT_BASE + 0x1c4)
 247 #define CHL_INT2_MSK                    (PORT_BASE + 0x1c8)
 248 #define CHL_INT_COAL_EN                 (PORT_BASE + 0x1d0)
 249 #define DMA_TX_DFX0                             (PORT_BASE + 0x200)
 250 #define DMA_TX_DFX1                             (PORT_BASE + 0x204)
 251 #define DMA_TX_DFX1_IPTT_OFF            0
 252 #define DMA_TX_DFX1_IPTT_MSK            (0xffff << DMA_TX_DFX1_IPTT_OFF)
 253 #define DMA_TX_FIFO_DFX0                (PORT_BASE + 0x240)
 254 #define PORT_DFX0                               (PORT_BASE + 0x258)
 255 #define LINK_DFX2                                       (PORT_BASE + 0X264)
 256 #define LINK_DFX2_RCVR_HOLD_STS_OFF     9
 257 #define LINK_DFX2_RCVR_HOLD_STS_MSK     (0x1 << LINK_DFX2_RCVR_HOLD_STS_OFF)
 258 #define LINK_DFX2_SEND_HOLD_STS_OFF     10
 259 #define LINK_DFX2_SEND_HOLD_STS_MSK     (0x1 << LINK_DFX2_SEND_HOLD_STS_OFF)
 260 #define SAS_ERR_CNT4_REG                (PORT_BASE + 0x290)
 261 #define SAS_ERR_CNT6_REG                (PORT_BASE + 0x298)
 262 #define PHY_CTRL_RDY_MSK                (PORT_BASE + 0x2b0)
 263 #define PHYCTRL_NOT_RDY_MSK             (PORT_BASE + 0x2b4)
 264 #define PHYCTRL_DWS_RESET_MSK           (PORT_BASE + 0x2b8)
 265 #define PHYCTRL_PHY_ENA_MSK             (PORT_BASE + 0x2bc)
 266 #define SL_RX_BCAST_CHK_MSK             (PORT_BASE + 0x2c0)
 267 #define PHYCTRL_OOB_RESTART_MSK         (PORT_BASE + 0x2c4)
 268 #define DMA_TX_STATUS                   (PORT_BASE + 0x2d0)
 269 #define DMA_TX_STATUS_BUSY_OFF          0
 270 #define DMA_TX_STATUS_BUSY_MSK          (0x1 << DMA_TX_STATUS_BUSY_OFF)
 271 #define DMA_RX_STATUS                   (PORT_BASE + 0x2e8)
 272 #define DMA_RX_STATUS_BUSY_OFF          0
 273 #define DMA_RX_STATUS_BUSY_MSK          (0x1 << DMA_RX_STATUS_BUSY_OFF)
 274
 275 #define AXI_CFG                         (0x5100)
 276 #define AM_CFG_MAX_TRANS                (0x5010)
 277 #define AM_CFG_SINGLE_PORT_MAX_TRANS    (0x5014)
 278
 279 #define AXI_MASTER_CFG_BASE             (0x5000)
 280 #define AM_CTRL_GLOBAL                  (0x0)
 281 #define AM_CURR_TRANS_RETURN    (0x150)
 282
 283 /* HW dma structures */
 284 /* Delivery queue header */
 285 /* dw0 */
 286 #define CMD_HDR_ABORT_FLAG_OFF          0
 287 #define CMD_HDR_ABORT_FLAG_MSK          (0x3 << CMD_HDR_ABORT_FLAG_OFF)
 288 #define CMD_HDR_ABORT_DEVICE_TYPE_OFF   2
 289 #define CMD_HDR_ABORT_DEVICE_TYPE_MSK   (0x1 << CMD_HDR_ABORT_DEVICE_TYPE_OFF)
 290 #define CMD_HDR_RESP_REPORT_OFF         5
 291 #define CMD_HDR_RESP_REPORT_MSK         (0x1 << CMD_HDR_RESP_REPORT_OFF)
 292 #define CMD_HDR_TLR_CTRL_OFF            6
 293 #define CMD_HDR_TLR_CTRL_MSK            (0x3 << CMD_HDR_TLR_CTRL_OFF)
 294 #define CMD_HDR_PHY_ID_OFF              8
 295 #define CMD_HDR_PHY_ID_MSK              (0x1ff << CMD_HDR_PHY_ID_OFF)
 296 #define CMD_HDR_FORCE_PHY_OFF           17
 297 #define CMD_HDR_FORCE_PHY_MSK           (0x1 << CMD_HDR_FORCE_PHY_OFF)
 298 #define CMD_HDR_PORT_OFF                18
 299 #define CMD_HDR_PORT_MSK                (0xf << CMD_HDR_PORT_OFF)
 300 #define CMD_HDR_PRIORITY_OFF            27
 301 #define CMD_HDR_PRIORITY_MSK            (0x1 << CMD_HDR_PRIORITY_OFF)
 302 #define CMD_HDR_CMD_OFF                 29
 303 #define CMD_HDR_CMD_MSK                 (0x7 << CMD_HDR_CMD_OFF)
 304 /* dw1 */
 305 #define CMD_HDR_DIR_OFF                 5
 306 #define CMD_HDR_DIR_MSK                 (0x3 << CMD_HDR_DIR_OFF)
 307 #define CMD_HDR_RESET_OFF               7
 308 #define CMD_HDR_RESET_MSK               (0x1 << CMD_HDR_RESET_OFF)
 309 #define CMD_HDR_VDTL_OFF                10
 310 #define CMD_HDR_VDTL_MSK                (0x1 << CMD_HDR_VDTL_OFF)
 311 #define CMD_HDR_FRAME_TYPE_OFF          11
 312 #define CMD_HDR_FRAME_TYPE_MSK          (0x1f << CMD_HDR_FRAME_TYPE_OFF)
 313 #define CMD_HDR_DEV_ID_OFF              16
 314 #define CMD_HDR_DEV_ID_MSK              (0xffff << CMD_HDR_DEV_ID_OFF)
 315 /* dw2 */
 316 #define CMD_HDR_CFL_OFF                 0
 317 #define CMD_HDR_CFL_MSK                 (0x1ff << CMD_HDR_CFL_OFF)
 318 #define CMD_HDR_NCQ_TAG_OFF             10
 319 #define CMD_HDR_NCQ_TAG_MSK             (0x1f << CMD_HDR_NCQ_TAG_OFF)
 320 #define CMD_HDR_MRFL_OFF                15
 321 #define CMD_HDR_MRFL_MSK                (0x1ff << CMD_HDR_MRFL_OFF)
 322 #define CMD_HDR_SG_MOD_OFF              24
 323 #define CMD_HDR_SG_MOD_MSK              (0x3 << CMD_HDR_SG_MOD_OFF)
 324 #define CMD_HDR_FIRST_BURST_OFF         26
 325 #define CMD_HDR_FIRST_BURST_MSK         (0x1 << CMD_HDR_SG_MOD_OFF)
 326 /* dw3 */
 327 #define CMD_HDR_IPTT_OFF                0
 328 #define CMD_HDR_IPTT_MSK                (0xffff << CMD_HDR_IPTT_OFF)
 329 /* dw6 */
 330 #define CMD_HDR_DIF_SGL_LEN_OFF         0
 331 #define CMD_HDR_DIF_SGL_LEN_MSK         (0xffff << CMD_HDR_DIF_SGL_LEN_OFF)
 332 #define CMD_HDR_DATA_SGL_LEN_OFF        16
 333 #define CMD_HDR_DATA_SGL_LEN_MSK        (0xffff << CMD_HDR_DATA_SGL_LEN_OFF)
 334 #define CMD_HDR_ABORT_IPTT_OFF          16
 335 #define CMD_HDR_ABORT_IPTT_MSK          (0xffff << CMD_HDR_ABORT_IPTT_OFF)
 336
 337 /* Completion header */
 338 /* dw0 */
 339 #define CMPLT_HDR_ERR_PHASE_OFF 2
 340 #define CMPLT_HDR_ERR_PHASE_MSK (0xff << CMPLT_HDR_ERR_PHASE_OFF)
 341 #define CMPLT_HDR_RSPNS_XFRD_OFF        10
 342 #define CMPLT_HDR_RSPNS_XFRD_MSK        (0x1 << CMPLT_HDR_RSPNS_XFRD_OFF)
 343 #define CMPLT_HDR_ERX_OFF               12
 344 #define CMPLT_HDR_ERX_MSK               (0x1 << CMPLT_HDR_ERX_OFF)
 345 #define CMPLT_HDR_ABORT_STAT_OFF        13
 346 #define CMPLT_HDR_ABORT_STAT_MSK        (0x7 << CMPLT_HDR_ABORT_STAT_OFF)
 347 /* abort_stat */
 348 #define STAT_IO_NOT_VALID               0x1
 349 #define STAT_IO_NO_DEVICE               0x2
 350 #define STAT_IO_COMPLETE                0x3
 351 #define STAT_IO_ABORTED                 0x4
 352 /* dw1 */
 353 #define CMPLT_HDR_IPTT_OFF              0
 354 #define CMPLT_HDR_IPTT_MSK              (0xffff << CMPLT_HDR_IPTT_OFF)
 355 #define CMPLT_HDR_DEV_ID_OFF            16
 356 #define CMPLT_HDR_DEV_ID_MSK            (0xffff << CMPLT_HDR_DEV_ID_OFF)
 357
 358 /* ITCT header */
 359 /* qw0 */
 360 #define ITCT_HDR_DEV_TYPE_OFF           0
 361 #define ITCT_HDR_DEV_TYPE_MSK           (0x3 << ITCT_HDR_DEV_TYPE_OFF)
 362 #define ITCT_HDR_VALID_OFF              2
 363 #define ITCT_HDR_VALID_MSK              (0x1 << ITCT_HDR_VALID_OFF)
 364 #define ITCT_HDR_MCR_OFF                5
 365 #define ITCT_HDR_MCR_MSK                (0xf << ITCT_HDR_MCR_OFF)
 366 #define ITCT_HDR_VLN_OFF                9
 367 #define ITCT_HDR_VLN_MSK                (0xf << ITCT_HDR_VLN_OFF)
 368 #define ITCT_HDR_SMP_TIMEOUT_OFF        16
 369 #define ITCT_HDR_SMP_TIMEOUT_8US        1
 370 #define ITCT_HDR_SMP_TIMEOUT            (ITCT_HDR_SMP_TIMEOUT_8US * \
 371                                          250) /* 2ms */
 372 #define ITCT_HDR_AWT_CONTINUE_OFF       25
 373 #define ITCT_HDR_PORT_ID_OFF            28
 374 #define ITCT_HDR_PORT_ID_MSK            (0xf << ITCT_HDR_PORT_ID_OFF)
 375 /* qw2 */
 376 #define ITCT_HDR_INLT_OFF               0
 377 #define ITCT_HDR_INLT_MSK               (0xffffULL << ITCT_HDR_INLT_OFF)
 378 #define ITCT_HDR_BITLT_OFF              16
 379 #define ITCT_HDR_BITLT_MSK              (0xffffULL << ITCT_HDR_BITLT_OFF)
 380 #define ITCT_HDR_MCTLT_OFF              32
 381 #define ITCT_HDR_MCTLT_MSK              (0xffffULL << ITCT_HDR_MCTLT_OFF)
 382 #define ITCT_HDR_RTOLT_OFF              48
 383 #define ITCT_HDR_RTOLT_MSK              (0xffffULL << ITCT_HDR_RTOLT_OFF)
 384
 385 #define HISI_SAS_FATAL_INT_NR   2
 386
 387 struct hisi_sas_complete_v2_hdr {
 388         __le32 dw0;
 389         __le32 dw1;
 390         __le32 act;
 391         __le32 dw3;
 392 };
 393
 394 struct hisi_sas_err_record_v2 {
 395         /* dw0 */
 396         __le32 trans_tx_fail_type;
 397
 398         /* dw1 */
 399         __le32 trans_rx_fail_type;
 400
 401         /* dw2 */
 402         __le16 dma_tx_err_type;
 403         __le16 sipc_rx_err_type;
 404
 405         /* dw3 */
 406         __le32 dma_rx_err_type;
 407 };
 408
 409 struct signal_attenuation_s {
 410         u32 de_emphasis;
 411         u32 preshoot;
 412         u32 boost;
 413 };
 414
 415 struct sig_atten_lu_s {
 416         const struct signal_attenuation_s *att;
 417         u32 sas_phy_ctrl;
 418 };
 419
 420 static const struct hisi_sas_hw_error one_bit_ecc_errors[] = {
 421         {
 422                 .irq_msk = BIT(SAS_ECC_INTR_DQE_ECC_1B_OFF),
 423                 .msk = HGC_DQE_ECC_1B_ADDR_MSK,
 424                 .shift = HGC_DQE_ECC_1B_ADDR_OFF,
 425                 .msg = "hgc_dqe_ecc1b_intr",
 426                 .reg = HGC_DQE_ECC_ADDR,
 427         },
 428         {
 429                 .irq_msk = BIT(SAS_ECC_INTR_IOST_ECC_1B_OFF),
 430                 .msk = HGC_IOST_ECC_1B_ADDR_MSK,
 431                 .shift = HGC_IOST_ECC_1B_ADDR_OFF,
 432                 .msg = "hgc_iost_ecc1b_intr",
 433                 .reg = HGC_IOST_ECC_ADDR,
 434         },
 435         {
 436                 .irq_msk = BIT(SAS_ECC_INTR_ITCT_ECC_1B_OFF),
 437                 .msk = HGC_ITCT_ECC_1B_ADDR_MSK,
 438                 .shift = HGC_ITCT_ECC_1B_ADDR_OFF,
 439                 .msg = "hgc_itct_ecc1b_intr",
 440                 .reg = HGC_ITCT_ECC_ADDR,
 441         },
 442         {
 443                 .irq_msk = BIT(SAS_ECC_INTR_IOSTLIST_ECC_1B_OFF),
 444                 .msk = HGC_LM_DFX_STATUS2_IOSTLIST_MSK,
 445                 .shift = HGC_LM_DFX_STATUS2_IOSTLIST_OFF,
 446                 .msg = "hgc_iostl_ecc1b_intr",
 447                 .reg = HGC_LM_DFX_STATUS2,
 448         },
 449         {
 450                 .irq_msk = BIT(SAS_ECC_INTR_ITCTLIST_ECC_1B_OFF),
 451                 .msk = HGC_LM_DFX_STATUS2_ITCTLIST_MSK,
 452                 .shift = HGC_LM_DFX_STATUS2_ITCTLIST_OFF,
 453                 .msg = "hgc_itctl_ecc1b_intr",
 454                 .reg = HGC_LM_DFX_STATUS2,
 455         },
 456         {
 457                 .irq_msk = BIT(SAS_ECC_INTR_CQE_ECC_1B_OFF),
 458                 .msk = HGC_CQE_ECC_1B_ADDR_MSK,
 459                 .shift = HGC_CQE_ECC_1B_ADDR_OFF,
 460                 .msg = "hgc_cqe_ecc1b_intr",
 461                 .reg = HGC_CQE_ECC_ADDR,
 462         },
 463         {
 464                 .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_1B_OFF),
 465                 .msk = HGC_RXM_DFX_STATUS14_MEM0_MSK,
 466                 .shift = HGC_RXM_DFX_STATUS14_MEM0_OFF,
 467                 .msg = "rxm_mem0_ecc1b_intr",
 468                 .reg = HGC_RXM_DFX_STATUS14,
 469         },
 470         {
 471                 .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_1B_OFF),
 472                 .msk = HGC_RXM_DFX_STATUS14_MEM1_MSK,
 473                 .shift = HGC_RXM_DFX_STATUS14_MEM1_OFF,
 474                 .msg = "rxm_mem1_ecc1b_intr",
 475                 .reg = HGC_RXM_DFX_STATUS14,
 476         },
 477         {
 478                 .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_1B_OFF),
 479                 .msk = HGC_RXM_DFX_STATUS14_MEM2_MSK,
 480                 .shift = HGC_RXM_DFX_STATUS14_MEM2_OFF,
 481                 .msg = "rxm_mem2_ecc1b_intr",
 482                 .reg = HGC_RXM_DFX_STATUS14,
 483         },
 484         {
 485                 .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_1B_OFF),
 486                 .msk = HGC_RXM_DFX_STATUS15_MEM3_MSK,
 487                 .shift = HGC_RXM_DFX_STATUS15_MEM3_OFF,
 488                 .msg = "rxm_mem3_ecc1b_intr",
 489                 .reg = HGC_RXM_DFX_STATUS15,
 490         },
 491 };
 492
 493 static const struct hisi_sas_hw_error multi_bit_ecc_errors[] = {
 494         {
 495                 .irq_msk = BIT(SAS_ECC_INTR_DQE_ECC_MB_OFF),
 496                 .msk = HGC_DQE_ECC_MB_ADDR_MSK,
 497                 .shift = HGC_DQE_ECC_MB_ADDR_OFF,
 498                 .msg = "hgc_dqe_eccbad_intr",
 499                 .reg = HGC_DQE_ECC_ADDR,
 500         },
 501         {
 502                 .irq_msk = BIT(SAS_ECC_INTR_IOST_ECC_MB_OFF),
 503                 .msk = HGC_IOST_ECC_MB_ADDR_MSK,
 504                 .shift = HGC_IOST_ECC_MB_ADDR_OFF,
 505                 .msg = "hgc_iost_eccbad_intr",
 506                 .reg = HGC_IOST_ECC_ADDR,
 507         },
 508         {
 509                 .irq_msk = BIT(SAS_ECC_INTR_ITCT_ECC_MB_OFF),
 510                 .msk = HGC_ITCT_ECC_MB_ADDR_MSK,
 511                 .shift = HGC_ITCT_ECC_MB_ADDR_OFF,
 512                 .msg = "hgc_itct_eccbad_intr",
 513                 .reg = HGC_ITCT_ECC_ADDR,
 514         },
 515         {
 516                 .irq_msk = BIT(SAS_ECC_INTR_IOSTLIST_ECC_MB_OFF),
 517                 .msk = HGC_LM_DFX_STATUS2_IOSTLIST_MSK,
 518                 .shift = HGC_LM_DFX_STATUS2_IOSTLIST_OFF,
 519                 .msg = "hgc_iostl_eccbad_intr",
 520                 .reg = HGC_LM_DFX_STATUS2,
 521         },
 522         {
 523                 .irq_msk = BIT(SAS_ECC_INTR_ITCTLIST_ECC_MB_OFF),
 524                 .msk = HGC_LM_DFX_STATUS2_ITCTLIST_MSK,
 525                 .shift = HGC_LM_DFX_STATUS2_ITCTLIST_OFF,
 526                 .msg = "hgc_itctl_eccbad_intr",
 527                 .reg = HGC_LM_DFX_STATUS2,
 528         },
 529         {
 530                 .irq_msk = BIT(SAS_ECC_INTR_CQE_ECC_MB_OFF),
 531                 .msk = HGC_CQE_ECC_MB_ADDR_MSK,
 532                 .shift = HGC_CQE_ECC_MB_ADDR_OFF,
 533                 .msg = "hgc_cqe_eccbad_intr",
 534                 .reg = HGC_CQE_ECC_ADDR,
 535         },
 536         {
 537                 .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM0_ECC_MB_OFF),
 538                 .msk = HGC_RXM_DFX_STATUS14_MEM0_MSK,
 539                 .shift = HGC_RXM_DFX_STATUS14_MEM0_OFF,
 540                 .msg = "rxm_mem0_eccbad_intr",
 541                 .reg = HGC_RXM_DFX_STATUS14,
 542         },
 543         {
 544                 .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM1_ECC_MB_OFF),
 545                 .msk = HGC_RXM_DFX_STATUS14_MEM1_MSK,
 546                 .shift = HGC_RXM_DFX_STATUS14_MEM1_OFF,
 547                 .msg = "rxm_mem1_eccbad_intr",
 548                 .reg = HGC_RXM_DFX_STATUS14,
 549         },
 550         {
 551                 .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM2_ECC_MB_OFF),
 552                 .msk = HGC_RXM_DFX_STATUS14_MEM2_MSK,
 553                 .shift = HGC_RXM_DFX_STATUS14_MEM2_OFF,
 554                 .msg = "rxm_mem2_eccbad_intr",
 555                 .reg = HGC_RXM_DFX_STATUS14,
 556         },
 557         {
 558                 .irq_msk = BIT(SAS_ECC_INTR_NCQ_MEM3_ECC_MB_OFF),
 559                 .msk = HGC_RXM_DFX_STATUS15_MEM3_MSK,
 560                 .shift = HGC_RXM_DFX_STATUS15_MEM3_OFF,
 561                 .msg = "rxm_mem3_eccbad_intr",
 562                 .reg = HGC_RXM_DFX_STATUS15,
 563         },
 564 };
 565
 566 enum {
 567         HISI_SAS_PHY_PHY_UPDOWN,
 568         HISI_SAS_PHY_CHNL_INT,
 569         HISI_SAS_PHY_INT_NR
 570 };
 571
 572 enum {
 573         TRANS_TX_FAIL_BASE = 0x0, /* dw0 */
 574         TRANS_RX_FAIL_BASE = 0x20, /* dw1 */
 575         DMA_TX_ERR_BASE = 0x40, /* dw2 bit 15-0 */
 576         SIPC_RX_ERR_BASE = 0x50, /* dw2 bit 31-16*/
 577         DMA_RX_ERR_BASE = 0x60, /* dw3 */
 578
 579         /* trans tx*/
 580         TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS = TRANS_TX_FAIL_BASE, /* 0x0 */
 581         TRANS_TX_ERR_PHY_NOT_ENABLE, /* 0x1 */
 582         TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION, /* 0x2 */
 583         TRANS_TX_OPEN_CNX_ERR_ZONE_VIOLATION, /* 0x3 */
 584         TRANS_TX_OPEN_CNX_ERR_BY_OTHER, /* 0x4 */
 585         RESERVED0, /* 0x5 */
 586         TRANS_TX_OPEN_CNX_ERR_AIP_TIMEOUT, /* 0x6 */
 587         TRANS_TX_OPEN_CNX_ERR_STP_RESOURCES_BUSY, /* 0x7 */
 588         TRANS_TX_OPEN_CNX_ERR_PROTOCOL_NOT_SUPPORTED, /* 0x8 */
 589         TRANS_TX_OPEN_CNX_ERR_CONNECTION_RATE_NOT_SUPPORTED, /* 0x9 */
 590         TRANS_TX_OPEN_CNX_ERR_BAD_DESTINATION, /* 0xa */
 591         TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD, /* 0xb */
 592         TRANS_TX_OPEN_CNX_ERR_LOW_PHY_POWER, /* 0xc */
 593         TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED, /* 0xd */
 594         TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT, /* 0xe */
 595         TRANS_TX_OPEN_CNX_ERR_NO_DESTINATION, /* 0xf */
 596         TRANS_TX_OPEN_RETRY_ERR_THRESHOLD_REACHED, /* 0x10 */
 597         TRANS_TX_ERR_FRAME_TXED, /* 0x11 */
 598         TRANS_TX_ERR_WITH_BREAK_TIMEOUT, /* 0x12 */
 599         TRANS_TX_ERR_WITH_BREAK_REQUEST, /* 0x13 */
 600         TRANS_TX_ERR_WITH_BREAK_RECEVIED, /* 0x14 */
 601         TRANS_TX_ERR_WITH_CLOSE_TIMEOUT, /* 0x15 */
 602         TRANS_TX_ERR_WITH_CLOSE_NORMAL, /* 0x16 for ssp*/
 603         TRANS_TX_ERR_WITH_CLOSE_PHYDISALE, /* 0x17 */
 604         TRANS_TX_ERR_WITH_CLOSE_DWS_TIMEOUT, /* 0x18 */
 605         TRANS_TX_ERR_WITH_CLOSE_COMINIT, /* 0x19 */
 606         TRANS_TX_ERR_WITH_NAK_RECEVIED, /* 0x1a for ssp*/
 607         TRANS_TX_ERR_WITH_ACK_NAK_TIMEOUT, /* 0x1b for ssp*/
 608         /*IO_TX_ERR_WITH_R_ERR_RECEVIED, [> 0x1b for sata/stp<] */
 609         TRANS_TX_ERR_WITH_CREDIT_TIMEOUT, /* 0x1c for ssp */
 610         /*IO_RX_ERR_WITH_SATA_DEVICE_LOST 0x1c for sata/stp */
 611         TRANS_TX_ERR_WITH_IPTT_CONFLICT, /* 0x1d for ssp/smp */
 612         TRANS_TX_ERR_WITH_OPEN_BY_DES_OR_OTHERS, /* 0x1e */
 613         /*IO_TX_ERR_WITH_SYNC_RXD, [> 0x1e <] for sata/stp */
 614         TRANS_TX_ERR_WITH_WAIT_RECV_TIMEOUT, /* 0x1f for sata/stp */
 615
 616         /* trans rx */
 617         TRANS_RX_ERR_WITH_RXFRAME_CRC_ERR = TRANS_RX_FAIL_BASE, /* 0x20 */
 618         TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR, /* 0x21 for sata/stp */
 619         TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM, /* 0x22 for ssp/smp */
 620         /*IO_ERR_WITH_RXFIS_8B10B_CODE_ERR, [> 0x22 <] for sata/stp */
 621         TRANS_RX_ERR_WITH_RXFIS_DECODE_ERROR, /* 0x23 for sata/stp */
 622         TRANS_RX_ERR_WITH_RXFIS_CRC_ERR, /* 0x24 for sata/stp */
 623         TRANS_RX_ERR_WITH_RXFRAME_LENGTH_OVERRUN, /* 0x25 for smp */
 624         /*IO_ERR_WITH_RXFIS_TX SYNCP, [> 0x25 <] for sata/stp */
 625         TRANS_RX_ERR_WITH_RXFIS_RX_SYNCP, /* 0x26 for sata/stp*/
 626         TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN, /* 0x27 */
 627         TRANS_RX_ERR_WITH_BREAK_TIMEOUT, /* 0x28 */
 628         TRANS_RX_ERR_WITH_BREAK_REQUEST, /* 0x29 */
 629         TRANS_RX_ERR_WITH_BREAK_RECEVIED, /* 0x2a */
 630         RESERVED1, /* 0x2b */
 631         TRANS_RX_ERR_WITH_CLOSE_NORMAL, /* 0x2c */
 632         TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE, /* 0x2d */
 633         TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT, /* 0x2e */
 634         TRANS_RX_ERR_WITH_CLOSE_COMINIT, /* 0x2f */
 635         TRANS_RX_ERR_WITH_DATA_LEN0, /* 0x30 for ssp/smp */
 636         TRANS_RX_ERR_WITH_BAD_HASH, /* 0x31 for ssp */
 637         /*IO_RX_ERR_WITH_FIS_TOO_SHORT, [> 0x31 <] for sata/stp */
 638         TRANS_RX_XRDY_WLEN_ZERO_ERR, /* 0x32 for ssp*/
 639         /*IO_RX_ERR_WITH_FIS_TOO_LONG, [> 0x32 <] for sata/stp */
 640         TRANS_RX_SSP_FRM_LEN_ERR, /* 0x33 for ssp */
 641         /*IO_RX_ERR_WITH_SATA_DEVICE_LOST, [> 0x33 <] for sata */
 642         RESERVED2, /* 0x34 */
 643         RESERVED3, /* 0x35 */
 644         RESERVED4, /* 0x36 */
 645         RESERVED5, /* 0x37 */
 646         TRANS_RX_ERR_WITH_BAD_FRM_TYPE, /* 0x38 */
 647         TRANS_RX_SMP_FRM_LEN_ERR, /* 0x39 */
 648         TRANS_RX_SMP_RESP_TIMEOUT_ERR, /* 0x3a */
 649         RESERVED6, /* 0x3b */
 650         RESERVED7, /* 0x3c */
 651         RESERVED8, /* 0x3d */
 652         RESERVED9, /* 0x3e */
 653         TRANS_RX_R_ERR, /* 0x3f */
 654
 655         /* dma tx */
 656         DMA_TX_DIF_CRC_ERR = DMA_TX_ERR_BASE, /* 0x40 */
 657         DMA_TX_DIF_APP_ERR, /* 0x41 */
 658         DMA_TX_DIF_RPP_ERR, /* 0x42 */
 659         DMA_TX_DATA_SGL_OVERFLOW, /* 0x43 */
 660         DMA_TX_DIF_SGL_OVERFLOW, /* 0x44 */
 661         DMA_TX_UNEXP_XFER_ERR, /* 0x45 */
 662         DMA_TX_UNEXP_RETRANS_ERR, /* 0x46 */
 663         DMA_TX_XFER_LEN_OVERFLOW, /* 0x47 */
 664         DMA_TX_XFER_OFFSET_ERR, /* 0x48 */
 665         DMA_TX_RAM_ECC_ERR, /* 0x49 */
 666         DMA_TX_DIF_LEN_ALIGN_ERR, /* 0x4a */
 667         DMA_TX_MAX_ERR_CODE,
 668
 669         /* sipc rx */
 670         SIPC_RX_FIS_STATUS_ERR_BIT_VLD = SIPC_RX_ERR_BASE, /* 0x50 */
 671         SIPC_RX_PIO_WRSETUP_STATUS_DRQ_ERR, /* 0x51 */
 672         SIPC_RX_FIS_STATUS_BSY_BIT_ERR, /* 0x52 */
 673         SIPC_RX_WRSETUP_LEN_ODD_ERR, /* 0x53 */
 674         SIPC_RX_WRSETUP_LEN_ZERO_ERR, /* 0x54 */
 675         SIPC_RX_WRDATA_LEN_NOT_MATCH_ERR, /* 0x55 */
 676         SIPC_RX_NCQ_WRSETUP_OFFSET_ERR, /* 0x56 */
 677         SIPC_RX_NCQ_WRSETUP_AUTO_ACTIVE_ERR, /* 0x57 */
 678         SIPC_RX_SATA_UNEXP_FIS_ERR, /* 0x58 */
 679         SIPC_RX_WRSETUP_ESTATUS_ERR, /* 0x59 */
 680         SIPC_RX_DATA_UNDERFLOW_ERR, /* 0x5a */
 681         SIPC_RX_MAX_ERR_CODE,
 682
 683         /* dma rx */
 684         DMA_RX_DIF_CRC_ERR = DMA_RX_ERR_BASE, /* 0x60 */
 685         DMA_RX_DIF_APP_ERR, /* 0x61 */
 686         DMA_RX_DIF_RPP_ERR, /* 0x62 */
 687         DMA_RX_DATA_SGL_OVERFLOW, /* 0x63 */
 688         DMA_RX_DIF_SGL_OVERFLOW, /* 0x64 */
 689         DMA_RX_DATA_LEN_OVERFLOW, /* 0x65 */
 690         DMA_RX_DATA_LEN_UNDERFLOW, /* 0x66 */
 691         DMA_RX_DATA_OFFSET_ERR, /* 0x67 */
 692         RESERVED10, /* 0x68 */
 693         DMA_RX_SATA_FRAME_TYPE_ERR, /* 0x69 */
 694         DMA_RX_RESP_BUF_OVERFLOW, /* 0x6a */
 695         DMA_RX_UNEXP_RETRANS_RESP_ERR, /* 0x6b */
 696         DMA_RX_UNEXP_NORM_RESP_ERR, /* 0x6c */
 697         DMA_RX_UNEXP_RDFRAME_ERR, /* 0x6d */
 698         DMA_RX_PIO_DATA_LEN_ERR, /* 0x6e */
 699         DMA_RX_RDSETUP_STATUS_ERR, /* 0x6f */
 700         DMA_RX_RDSETUP_STATUS_DRQ_ERR, /* 0x70 */
 701         DMA_RX_RDSETUP_STATUS_BSY_ERR, /* 0x71 */
 702         DMA_RX_RDSETUP_LEN_ODD_ERR, /* 0x72 */
 703         DMA_RX_RDSETUP_LEN_ZERO_ERR, /* 0x73 */
 704         DMA_RX_RDSETUP_LEN_OVER_ERR, /* 0x74 */
 705         DMA_RX_RDSETUP_OFFSET_ERR, /* 0x75 */
 706         DMA_RX_RDSETUP_ACTIVE_ERR, /* 0x76 */
 707         DMA_RX_RDSETUP_ESTATUS_ERR, /* 0x77 */
 708         DMA_RX_RAM_ECC_ERR, /* 0x78 */
 709         DMA_RX_UNKNOWN_FRM_ERR, /* 0x79 */
 710         DMA_RX_MAX_ERR_CODE,
 711 };
 712
 713 #define HISI_SAS_COMMAND_ENTRIES_V2_HW 4096
 714 #define HISI_MAX_SATA_SUPPORT_V2_HW     (HISI_SAS_COMMAND_ENTRIES_V2_HW/64 - 1)
 715
 716 #define DIR_NO_DATA 0
 717 #define DIR_TO_INI 1
 718 #define DIR_TO_DEVICE 2
 719 #define DIR_RESERVED 3
 720
 721 #define ERR_ON_TX_PHASE(err_phase) (err_phase == 0x2 || \
 722                 err_phase == 0x4 || err_phase == 0x8 ||\
 723                 err_phase == 0x6 || err_phase == 0xa)
 724 #define ERR_ON_RX_PHASE(err_phase) (err_phase == 0x10 || \
 725                 err_phase == 0x20 || err_phase == 0x40)
 726
 727 static void link_timeout_disable_link(struct timer_list *t);
 728
 729 static u32 hisi_sas_read32(struct hisi_hba *hisi_hba, u32 off)
 730 {
 731         void __iomem *regs = hisi_hba->regs + off;
 732
 733         return readl(regs);
 734 }
 735
 736 static u32 hisi_sas_read32_relaxed(struct hisi_hba *hisi_hba, u32 off)
 737 {
 738         void __iomem *regs = hisi_hba->regs + off;
 739
 740         return readl_relaxed(regs);
 741 }
 742
 743 static void hisi_sas_write32(struct hisi_hba *hisi_hba, u32 off, u32 val)
 744 {
 745         void __iomem *regs = hisi_hba->regs + off;
 746
 747         writel(val, regs);
 748 }
 749
 750 static void hisi_sas_phy_write32(struct hisi_hba *hisi_hba, int phy_no,
 751                                  u32 off, u32 val)
 752 {
 753         void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
 754
 755         writel(val, regs);
 756 }
 757
 758 static u32 hisi_sas_phy_read32(struct hisi_hba *hisi_hba,
 759                                       int phy_no, u32 off)
 760 {
 761         void __iomem *regs = hisi_hba->regs + (0x400 * phy_no) + off;
 762
 763         return readl(regs);
 764 }
 765
 766 /* This function needs to be protected from pre-emption. */
 767 static int
 768 slot_index_alloc_quirk_v2_hw(struct hisi_hba *hisi_hba,
 769                              struct domain_device *device)
 770 {
 771         int sata_dev = dev_is_sata(device);
 772         void *bitmap = hisi_hba->slot_index_tags;
 773         struct hisi_sas_device *sas_dev = device->lldd_dev;
 774         int sata_idx = sas_dev->sata_idx;
 775         int start, end;
 776
 777         if (!sata_dev) {
 778                 /*
 779                  * STP link SoC bug workaround: index starts from 1.
 780                  * additionally, we can only allocate odd IPTT(1~4095)
 781                  * for SAS/SMP device.
 782                  */
 783                 start = 1;
 784                 end = hisi_hba->slot_index_count;
 785         } else {
 786                 if (sata_idx >= HISI_MAX_SATA_SUPPORT_V2_HW)
 787                         return -EINVAL;
 788
 789                 /*
 790                  * For SATA device: allocate even IPTT in this interval
 791                  * [64*(sata_idx+1), 64*(sata_idx+2)], then each SATA device
 792                  * own 32 IPTTs. IPTT 0 shall not be used duing to STP link
 793                  * SoC bug workaround. So we ignore the first 32 even IPTTs.
 794                  */
 795                 start = 64 * (sata_idx + 1);
 796                 end = 64 * (sata_idx + 2);
 797         }
 798
 799         spin_lock(&hisi_hba->lock);
 800         while (1) {
 801                 start = find_next_zero_bit(bitmap,
 802                                         hisi_hba->slot_index_count, start);
 803                 if (start >= end) {
 804                         spin_unlock(&hisi_hba->lock);
 805                         return -SAS_QUEUE_FULL;
 806                 }
 807                 /*
 808                   * SAS IPTT bit0 should be 1, and SATA IPTT bit0 should be 0.
 809                   */
 810                 if (sata_dev ^ (start & 1))
 811                         break;
 812                 start++;
 813         }
 814
 815         set_bit(start, bitmap);
 816         spin_unlock(&hisi_hba->lock);
 817         return start;
 818 }
 819
 820 static bool sata_index_alloc_v2_hw(struct hisi_hba *hisi_hba, int *idx)
 821 {
 822         unsigned int index;
 823         struct device *dev = hisi_hba->dev;
 824         void *bitmap = hisi_hba->sata_dev_bitmap;
 825
 826         index = find_first_zero_bit(bitmap, HISI_MAX_SATA_SUPPORT_V2_HW);
 827         if (index >= HISI_MAX_SATA_SUPPORT_V2_HW) {
 828                 dev_warn(dev, "alloc sata index failed, index=%d\n", index);
 829                 return false;
 830         }
 831
 832         set_bit(index, bitmap);
 833         *idx = index;
 834         return true;
 835 }
 836
 837
 838 static struct
 839 hisi_sas_device *alloc_dev_quirk_v2_hw(struct domain_device *device)
 840 {
 841         struct hisi_hba *hisi_hba = device->port->ha->lldd_ha;
 842         struct hisi_sas_device *sas_dev = NULL;
 843         int i, sata_dev = dev_is_sata(device);
 844         int sata_idx = -1;
 845
 846         spin_lock(&hisi_hba->lock);
 847
 848         if (sata_dev)
 849                 if (!sata_index_alloc_v2_hw(hisi_hba, &sata_idx))
 850                         goto out;
 851
 852         for (i = 0; i < HISI_SAS_MAX_DEVICES; i++) {
 853                 /*
 854                  * SATA device id bit0 should be 0
 855                  */
 856                 if (sata_dev && (i & 1))
 857                         continue;
 858                 if (hisi_hba->devices[i].dev_type == SAS_PHY_UNUSED) {
 859                         int queue = i % hisi_hba->queue_count;
 860                         struct hisi_sas_dq *dq = &hisi_hba->dq[queue];
 861
 862                         hisi_hba->devices[i].device_id = i;
 863                         sas_dev = &hisi_hba->devices[i];
 864                         sas_dev->dev_status = HISI_SAS_DEV_INIT;
 865                         sas_dev->dev_type = device->dev_type;
 866                         sas_dev->hisi_hba = hisi_hba;
 867                         sas_dev->sas_device = device;
 868                         sas_dev->sata_idx = sata_idx;
 869                         sas_dev->dq = dq;
 870                         spin_lock_init(&sas_dev->lock);
 871                         INIT_LIST_HEAD(&hisi_hba->devices[i].list);
 872                         break;
 873                 }
 874         }
 875
 876 out:
 877         spin_unlock(&hisi_hba->lock);
 878
 879         return sas_dev;
 880 }
 881
 882 static void config_phy_opt_mode_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
 883 {
 884         u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
 885
 886         cfg &= ~PHY_CFG_DC_OPT_MSK;
 887         cfg |= 1 << PHY_CFG_DC_OPT_OFF;
 888         hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
 889 }
 890
 891 static void config_id_frame_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
 892 {
 893         struct sas_identify_frame identify_frame;
 894         u32 *identify_buffer;
 895
 896         memset(&identify_frame, 0, sizeof(identify_frame));
 897         identify_frame.dev_type = SAS_END_DEVICE;
 898         identify_frame.frame_type = 0;
 899         identify_frame._un1 = 1;
 900         identify_frame.initiator_bits = SAS_PROTOCOL_ALL;
 901         identify_frame.target_bits = SAS_PROTOCOL_NONE;
 902         memcpy(&identify_frame._un4_11[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
 903         memcpy(&identify_frame.sas_addr[0], hisi_hba->sas_addr, SAS_ADDR_SIZE);
 904         identify_frame.phy_id = phy_no;
 905         identify_buffer = (u32 *)(&identify_frame);
 906
 907         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD0,
 908                         __swab32(identify_buffer[0]));
 909         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD1,
 910                         __swab32(identify_buffer[1]));
 911         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD2,
 912                         __swab32(identify_buffer[2]));
 913         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD3,
 914                         __swab32(identify_buffer[3]));
 915         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD4,
 916                         __swab32(identify_buffer[4]));
 917         hisi_sas_phy_write32(hisi_hba, phy_no, TX_ID_DWORD5,
 918                         __swab32(identify_buffer[5]));
 919 }
 920
 921 static void setup_itct_v2_hw(struct hisi_hba *hisi_hba,
 922                              struct hisi_sas_device *sas_dev)
 923 {
 924         struct domain_device *device = sas_dev->sas_device;
 925         struct device *dev = hisi_hba->dev;
 926         u64 qw0, device_id = sas_dev->device_id;
 927         struct hisi_sas_itct *itct = &hisi_hba->itct[device_id];
 928         struct domain_device *parent_dev = device->parent;
 929         struct asd_sas_port *sas_port = device->port;
 930         struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
 931         u64 sas_addr;
 932
 933         memset(itct, 0, sizeof(*itct));
 934
 935         /* qw0 */
 936         qw0 = 0;
 937         switch (sas_dev->dev_type) {
 938         case SAS_END_DEVICE:
 939         case SAS_EDGE_EXPANDER_DEVICE:
 940         case SAS_FANOUT_EXPANDER_DEVICE:
 941                 qw0 = HISI_SAS_DEV_TYPE_SSP << ITCT_HDR_DEV_TYPE_OFF;
 942                 break;
 943         case SAS_SATA_DEV:
 944         case SAS_SATA_PENDING:
 945                 if (parent_dev && dev_is_expander(parent_dev->dev_type))
 946                         qw0 = HISI_SAS_DEV_TYPE_STP << ITCT_HDR_DEV_TYPE_OFF;
 947                 else
 948                         qw0 = HISI_SAS_DEV_TYPE_SATA << ITCT_HDR_DEV_TYPE_OFF;
 949                 break;
 950         default:
 951                 dev_warn(dev, "setup itct: unsupported dev type (%d)\n",
 952                          sas_dev->dev_type);
 953         }
 954
 955         qw0 |= ((1 << ITCT_HDR_VALID_OFF) |
 956                 (device->linkrate << ITCT_HDR_MCR_OFF) |
 957                 (1 << ITCT_HDR_VLN_OFF) |
 958                 (ITCT_HDR_SMP_TIMEOUT << ITCT_HDR_SMP_TIMEOUT_OFF) |
 959                 (1 << ITCT_HDR_AWT_CONTINUE_OFF) |
 960                 (port->id << ITCT_HDR_PORT_ID_OFF));
 961         itct->qw0 = cpu_to_le64(qw0);
 962
 963         /* qw1 */
 964         memcpy(&sas_addr, device->sas_addr, SAS_ADDR_SIZE);
 965         itct->sas_addr = cpu_to_le64(__swab64(sas_addr));
 966
 967         /* qw2 */
 968         if (!dev_is_sata(device))
 969                 itct->qw2 = cpu_to_le64((5000ULL << ITCT_HDR_INLT_OFF) |
 970                                         (0x1ULL << ITCT_HDR_BITLT_OFF) |
 971                                         (0x32ULL << ITCT_HDR_MCTLT_OFF) |
 972                                         (0x1ULL << ITCT_HDR_RTOLT_OFF));
 973 }
 974
 975 static int clear_itct_v2_hw(struct hisi_hba *hisi_hba,
 976                             struct hisi_sas_device *sas_dev)
 977 {
 978         DECLARE_COMPLETION_ONSTACK(completion);
 979         u64 dev_id = sas_dev->device_id;
 980         struct hisi_sas_itct *itct = &hisi_hba->itct[dev_id];
 981         u32 reg_val = hisi_sas_read32(hisi_hba, ENT_INT_SRC3);
 982         struct device *dev = hisi_hba->dev;
 983         int i;
 984
 985         sas_dev->completion = &completion;
 986
 987         /* clear the itct interrupt state */
 988         if (ENT_INT_SRC3_ITC_INT_MSK & reg_val)
 989                 hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
 990                                  ENT_INT_SRC3_ITC_INT_MSK);
 991
 992         /* need to set register twice to clear ITCT for v2 hw */
 993         for (i = 0; i < 2; i++) {
 994                 reg_val = ITCT_CLR_EN_MSK | (dev_id & ITCT_DEV_MSK);
 995                 hisi_sas_write32(hisi_hba, ITCT_CLR, reg_val);
 996                 if (!wait_for_completion_timeout(sas_dev->completion,
 997                                                  CLEAR_ITCT_TIMEOUT * HZ)) {
 998                         dev_warn(dev, "failed to clear ITCT\n");
 999                         return -ETIMEDOUT;
1000                 }
1001
1002                 memset(itct, 0, sizeof(struct hisi_sas_itct));
1003         }
1004         return 0;
1005 }
1006
1007 static void free_device_v2_hw(struct hisi_sas_device *sas_dev)
1008 {
1009         struct hisi_hba *hisi_hba = sas_dev->hisi_hba;
1010
1011         /* SoC bug workaround */
1012         if (dev_is_sata(sas_dev->sas_device))
1013                 clear_bit(sas_dev->sata_idx, hisi_hba->sata_dev_bitmap);
1014 }
1015
1016 static int reset_hw_v2_hw(struct hisi_hba *hisi_hba)
1017 {
1018         int i, reset_val;
1019         u32 val;
1020         unsigned long end_time;
1021         struct device *dev = hisi_hba->dev;
1022
1023         /* The mask needs to be set depending on the number of phys */
1024         if (hisi_hba->n_phy == 9)
1025                 reset_val = 0x1fffff;
1026         else
1027                 reset_val = 0x7ffff;
1028
1029         hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0);
1030
1031         /* Disable all of the PHYs */
1032         for (i = 0; i < hisi_hba->n_phy; i++) {
1033                 u32 phy_cfg = hisi_sas_phy_read32(hisi_hba, i, PHY_CFG);
1034
1035                 phy_cfg &= ~PHY_CTRL_RESET_MSK;
1036                 hisi_sas_phy_write32(hisi_hba, i, PHY_CFG, phy_cfg);
1037         }
1038         udelay(50);
1039
1040         /* Ensure DMA tx & rx idle */
1041         for (i = 0; i < hisi_hba->n_phy; i++) {
1042                 u32 dma_tx_status, dma_rx_status;
1043
1044                 end_time = jiffies + msecs_to_jiffies(1000);
1045
1046                 while (1) {
1047                         dma_tx_status = hisi_sas_phy_read32(hisi_hba, i,
1048                                                             DMA_TX_STATUS);
1049                         dma_rx_status = hisi_sas_phy_read32(hisi_hba, i,
1050                                                             DMA_RX_STATUS);
1051
1052                         if (!(dma_tx_status & DMA_TX_STATUS_BUSY_MSK) &&
1053                                 !(dma_rx_status & DMA_RX_STATUS_BUSY_MSK))
1054                                 break;
1055
1056                         msleep(20);
1057                         if (time_after(jiffies, end_time))
1058                                 return -EIO;
1059                 }
1060         }
1061
1062         /* Ensure axi bus idle */
1063         end_time = jiffies + msecs_to_jiffies(1000);
1064         while (1) {
1065                 u32 axi_status =
1066                         hisi_sas_read32(hisi_hba, AXI_CFG);
1067
1068                 if (axi_status == 0)
1069                         break;
1070
1071                 msleep(20);
1072                 if (time_after(jiffies, end_time))
1073                         return -EIO;
1074         }
1075
1076         if (ACPI_HANDLE(dev)) {
1077                 acpi_status s;
1078
1079                 s = acpi_evaluate_object(ACPI_HANDLE(dev), "_RST", NULL, NULL);
1080                 if (ACPI_FAILURE(s)) {
1081                         dev_err(dev, "Reset failed\n");
1082                         return -EIO;
1083                 }
1084         } else if (hisi_hba->ctrl) {
1085                 /* reset and disable clock*/
1086                 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg,
1087                                 reset_val);
1088                 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg + 4,
1089                                 reset_val);
1090                 msleep(1);
1091                 regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg, &val);
1092                 if (reset_val != (val & reset_val)) {
1093                         dev_err(dev, "SAS reset fail.\n");
1094                         return -EIO;
1095                 }
1096
1097                 /* De-reset and enable clock*/
1098                 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_reset_reg + 4,
1099                                 reset_val);
1100                 regmap_write(hisi_hba->ctrl, hisi_hba->ctrl_clock_ena_reg,
1101                                 reset_val);
1102                 msleep(1);
1103                 regmap_read(hisi_hba->ctrl, hisi_hba->ctrl_reset_sts_reg,
1104                                 &val);
1105                 if (val & reset_val) {
1106                         dev_err(dev, "SAS de-reset fail.\n");
1107                         return -EIO;
1108                 }
1109         } else {
1110                 dev_err(dev, "no reset method\n");
1111                 return -EINVAL;
1112         }
1113
1114         return 0;
1115 }
1116
1117 /* This function needs to be called after resetting SAS controller. */
1118 static void phys_reject_stp_links_v2_hw(struct hisi_hba *hisi_hba)
1119 {
1120         u32 cfg;
1121         int phy_no;
1122
1123         hisi_hba->reject_stp_links_msk = (1 << hisi_hba->n_phy) - 1;
1124         for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
1125                 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, CON_CONTROL);
1126                 if (!(cfg & CON_CONTROL_CFG_OPEN_ACC_STP_MSK))
1127                         continue;
1128
1129                 cfg &= ~CON_CONTROL_CFG_OPEN_ACC_STP_MSK;
1130                 hisi_sas_phy_write32(hisi_hba, phy_no, CON_CONTROL, cfg);
1131         }
1132 }
1133
1134 static void phys_try_accept_stp_links_v2_hw(struct hisi_hba *hisi_hba)
1135 {
1136         int phy_no;
1137         u32 dma_tx_dfx1;
1138
1139         for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
1140                 if (!(hisi_hba->reject_stp_links_msk & BIT(phy_no)))
1141                         continue;
1142
1143                 dma_tx_dfx1 = hisi_sas_phy_read32(hisi_hba, phy_no,
1144                                                 DMA_TX_DFX1);
1145                 if (dma_tx_dfx1 & DMA_TX_DFX1_IPTT_MSK) {
1146                         u32 cfg = hisi_sas_phy_read32(hisi_hba,
1147                                 phy_no, CON_CONTROL);
1148
1149                         cfg |= CON_CONTROL_CFG_OPEN_ACC_STP_MSK;
1150                         hisi_sas_phy_write32(hisi_hba, phy_no,
1151                                 CON_CONTROL, cfg);
1152                         clear_bit(phy_no, &hisi_hba->reject_stp_links_msk);
1153                 }
1154         }
1155 }
1156
1157 static const struct signal_attenuation_s x6000 = {9200, 0, 10476};
1158 static const struct sig_atten_lu_s sig_atten_lu[] = {
1159         { &x6000, 0x3016a68 },
1160 };
1161
1162 static void init_reg_v2_hw(struct hisi_hba *hisi_hba)
1163 {
1164         struct device *dev = hisi_hba->dev;
1165         u32 sas_phy_ctrl = 0x30b9908;
1166         u32 signal[3];
1167         int i;
1168
1169         /* Global registers init */
1170
1171         /* Deal with am-max-transmissions quirk */
1172         if (device_property_present(dev, "hip06-sas-v2-quirk-amt")) {
1173                 hisi_sas_write32(hisi_hba, AM_CFG_MAX_TRANS, 0x2020);
1174                 hisi_sas_write32(hisi_hba, AM_CFG_SINGLE_PORT_MAX_TRANS,
1175                                  0x2020);
1176         } /* Else, use defaults -> do nothing */
1177
1178         hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE,
1179                          (u32)((1ULL << hisi_hba->queue_count) - 1));
1180         hisi_sas_write32(hisi_hba, AXI_USER1, 0xc0000000);
1181         hisi_sas_write32(hisi_hba, AXI_USER2, 0x10000);
1182         hisi_sas_write32(hisi_hba, HGC_SAS_TXFAIL_RETRY_CTRL, 0x0);
1183         hisi_sas_write32(hisi_hba, HGC_SAS_TX_OPEN_FAIL_RETRY_CTRL, 0x7FF);
1184         hisi_sas_write32(hisi_hba, OPENA_WT_CONTI_TIME, 0x1);
1185         hisi_sas_write32(hisi_hba, I_T_NEXUS_LOSS_TIME, 0x1F4);
1186         hisi_sas_write32(hisi_hba, MAX_CON_TIME_LIMIT_TIME, 0x32);
1187         hisi_sas_write32(hisi_hba, BUS_INACTIVE_LIMIT_TIME, 0x1);
1188         hisi_sas_write32(hisi_hba, CFG_AGING_TIME, 0x1);
1189         hisi_sas_write32(hisi_hba, HGC_ERR_STAT_EN, 0x1);
1190         hisi_sas_write32(hisi_hba, HGC_GET_ITV_TIME, 0x1);
1191         hisi_sas_write32(hisi_hba, INT_COAL_EN, 0xc);
1192         hisi_sas_write32(hisi_hba, OQ_INT_COAL_TIME, 0x60);
1193         hisi_sas_write32(hisi_hba, OQ_INT_COAL_CNT, 0x3);
1194         hisi_sas_write32(hisi_hba, ENT_INT_COAL_TIME, 0x1);
1195         hisi_sas_write32(hisi_hba, ENT_INT_COAL_CNT, 0x1);
1196         hisi_sas_write32(hisi_hba, OQ_INT_SRC, 0x0);
1197         hisi_sas_write32(hisi_hba, ENT_INT_SRC1, 0xffffffff);
1198         hisi_sas_write32(hisi_hba, ENT_INT_SRC2, 0xffffffff);
1199         hisi_sas_write32(hisi_hba, ENT_INT_SRC3, 0xffffffff);
1200         hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0x7efefefe);
1201         hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0x7efefefe);
1202         hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0x7ffe20fe);
1203         hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xfff00c30);
1204         for (i = 0; i < hisi_hba->queue_count; i++)
1205                 hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK+0x4*i, 0);
1206
1207         hisi_sas_write32(hisi_hba, AXI_AHB_CLK_CFG, 1);
1208         hisi_sas_write32(hisi_hba, HYPER_STREAM_ID_EN_CFG, 1);
1209
1210         /* Get sas_phy_ctrl value to deal with TX FFE issue. */
1211         if (!device_property_read_u32_array(dev, "hisilicon,signal-attenuation",
1212                                             signal, ARRAY_SIZE(signal))) {
1213                 for (i = 0; i < ARRAY_SIZE(sig_atten_lu); i++) {
1214                         const struct sig_atten_lu_s *lookup = &sig_atten_lu[i];
1215                         const struct signal_attenuation_s *att = lookup->att;
1216
1217                         if ((signal[0] == att->de_emphasis) &&
1218                             (signal[1] == att->preshoot) &&
1219                             (signal[2] == att->boost)) {
1220                                 sas_phy_ctrl = lookup->sas_phy_ctrl;
1221                                 break;
1222                         }
1223                 }
1224
1225                 if (i == ARRAY_SIZE(sig_atten_lu))
1226                         dev_warn(dev, "unknown signal attenuation values, using default PHY ctrl config\n");
1227         }
1228
1229         for (i = 0; i < hisi_hba->n_phy; i++) {
1230                 struct hisi_sas_phy *phy = &hisi_hba->phy[i];
1231                 struct asd_sas_phy *sas_phy = &phy->sas_phy;
1232                 u32 prog_phy_link_rate = 0x800;
1233
1234                 if (!sas_phy->phy || (sas_phy->phy->maximum_linkrate <
1235                                 SAS_LINK_RATE_1_5_GBPS)) {
1236                         prog_phy_link_rate = 0x855;
1237                 } else {
1238                         enum sas_linkrate max = sas_phy->phy->maximum_linkrate;
1239
1240                         prog_phy_link_rate =
1241                                 hisi_sas_get_prog_phy_linkrate_mask(max) |
1242                                 0x800;
1243                 }
1244                 hisi_sas_phy_write32(hisi_hba, i, PROG_PHY_LINK_RATE,
1245                         prog_phy_link_rate);
1246                 hisi_sas_phy_write32(hisi_hba, i, SAS_PHY_CTRL, sas_phy_ctrl);
1247                 hisi_sas_phy_write32(hisi_hba, i, SL_TOUT_CFG, 0x7d7d7d7d);
1248                 hisi_sas_phy_write32(hisi_hba, i, SL_CONTROL, 0x0);
1249                 hisi_sas_phy_write32(hisi_hba, i, TXID_AUTO, 0x2);
1250                 hisi_sas_phy_write32(hisi_hba, i, DONE_RECEIVED_TIME, 0x8);
1251                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT0, 0xffffffff);
1252                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT1, 0xffffffff);
1253                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2, 0xfff87fff);
1254                 hisi_sas_phy_write32(hisi_hba, i, RXOP_CHECK_CFG_H, 0x1000);
1255                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xff857fff);
1256                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0x8ffffbfe);
1257                 hisi_sas_phy_write32(hisi_hba, i, SL_CFG, 0x13f801fc);
1258                 hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL_RDY_MSK, 0x0);
1259                 hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_NOT_RDY_MSK, 0x0);
1260                 hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_DWS_RESET_MSK, 0x0);
1261                 hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_PHY_ENA_MSK, 0x0);
1262                 hisi_sas_phy_write32(hisi_hba, i, SL_RX_BCAST_CHK_MSK, 0x0);
1263                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT_COAL_EN, 0x0);
1264                 hisi_sas_phy_write32(hisi_hba, i, PHYCTRL_OOB_RESTART_MSK, 0x0);
1265                 if (hisi_hba->refclk_frequency_mhz == 66)
1266                         hisi_sas_phy_write32(hisi_hba, i, PHY_CTRL, 0x199B694);
1267                 /* else, do nothing -> leave it how you found it */
1268         }
1269
1270         for (i = 0; i < hisi_hba->queue_count; i++) {
1271                 /* Delivery queue */
1272                 hisi_sas_write32(hisi_hba,
1273                                  DLVRY_Q_0_BASE_ADDR_HI + (i * 0x14),
1274                                  upper_32_bits(hisi_hba->cmd_hdr_dma[i]));
1275
1276                 hisi_sas_write32(hisi_hba, DLVRY_Q_0_BASE_ADDR_LO + (i * 0x14),
1277                                  lower_32_bits(hisi_hba->cmd_hdr_dma[i]));
1278
1279                 hisi_sas_write32(hisi_hba, DLVRY_Q_0_DEPTH + (i * 0x14),
1280                                  HISI_SAS_QUEUE_SLOTS);
1281
1282                 /* Completion queue */
1283                 hisi_sas_write32(hisi_hba, COMPL_Q_0_BASE_ADDR_HI + (i * 0x14),
1284                                  upper_32_bits(hisi_hba->complete_hdr_dma[i]));
1285
1286                 hisi_sas_write32(hisi_hba, COMPL_Q_0_BASE_ADDR_LO + (i * 0x14),
1287                                  lower_32_bits(hisi_hba->complete_hdr_dma[i]));
1288
1289                 hisi_sas_write32(hisi_hba, COMPL_Q_0_DEPTH + (i * 0x14),
1290                                  HISI_SAS_QUEUE_SLOTS);
1291         }
1292
1293         /* itct */
1294         hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_LO,
1295                          lower_32_bits(hisi_hba->itct_dma));
1296
1297         hisi_sas_write32(hisi_hba, ITCT_BASE_ADDR_HI,
1298                          upper_32_bits(hisi_hba->itct_dma));
1299
1300         /* iost */
1301         hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_LO,
1302                          lower_32_bits(hisi_hba->iost_dma));
1303
1304         hisi_sas_write32(hisi_hba, IOST_BASE_ADDR_HI,
1305                          upper_32_bits(hisi_hba->iost_dma));
1306
1307         /* breakpoint */
1308         hisi_sas_write32(hisi_hba, IO_BROKEN_MSG_ADDR_LO,
1309                          lower_32_bits(hisi_hba->breakpoint_dma));
1310
1311         hisi_sas_write32(hisi_hba, IO_BROKEN_MSG_ADDR_HI,
1312                          upper_32_bits(hisi_hba->breakpoint_dma));
1313
1314         /* SATA broken msg */
1315         hisi_sas_write32(hisi_hba, IO_SATA_BROKEN_MSG_ADDR_LO,
1316                          lower_32_bits(hisi_hba->sata_breakpoint_dma));
1317
1318         hisi_sas_write32(hisi_hba, IO_SATA_BROKEN_MSG_ADDR_HI,
1319                          upper_32_bits(hisi_hba->sata_breakpoint_dma));
1320
1321         /* SATA initial fis */
1322         hisi_sas_write32(hisi_hba, SATA_INITI_D2H_STORE_ADDR_LO,
1323                          lower_32_bits(hisi_hba->initial_fis_dma));
1324
1325         hisi_sas_write32(hisi_hba, SATA_INITI_D2H_STORE_ADDR_HI,
1326                          upper_32_bits(hisi_hba->initial_fis_dma));
1327 }
1328
1329 static void link_timeout_enable_link(struct timer_list *t)
1330 {
1331         struct hisi_hba *hisi_hba = from_timer(hisi_hba, t, timer);
1332         int i, reg_val;
1333
1334         for (i = 0; i < hisi_hba->n_phy; i++) {
1335                 if (hisi_hba->reject_stp_links_msk & BIT(i))
1336                         continue;
1337
1338                 reg_val = hisi_sas_phy_read32(hisi_hba, i, CON_CONTROL);
1339                 if (!(reg_val & BIT(0))) {
1340                         hisi_sas_phy_write32(hisi_hba, i,
1341                                         CON_CONTROL, 0x7);
1342                         break;
1343                 }
1344         }
1345
1346         hisi_hba->timer.function = link_timeout_disable_link;
1347         mod_timer(&hisi_hba->timer, jiffies + msecs_to_jiffies(900));
1348 }
1349
1350 static void link_timeout_disable_link(struct timer_list *t)
1351 {
1352         struct hisi_hba *hisi_hba = from_timer(hisi_hba, t, timer);
1353         int i, reg_val;
1354
1355         reg_val = hisi_sas_read32(hisi_hba, PHY_STATE);
1356         for (i = 0; i < hisi_hba->n_phy && reg_val; i++) {
1357                 if (hisi_hba->reject_stp_links_msk & BIT(i))
1358                         continue;
1359
1360                 if (reg_val & BIT(i)) {
1361                         hisi_sas_phy_write32(hisi_hba, i,
1362                                         CON_CONTROL, 0x6);
1363                         break;
1364                 }
1365         }
1366
1367         hisi_hba->timer.function = link_timeout_enable_link;
1368         mod_timer(&hisi_hba->timer, jiffies + msecs_to_jiffies(100));
1369 }
1370
1371 static void set_link_timer_quirk(struct hisi_hba *hisi_hba)
1372 {
1373         hisi_hba->timer.function = link_timeout_disable_link;
1374         hisi_hba->timer.expires = jiffies + msecs_to_jiffies(1000);
1375         add_timer(&hisi_hba->timer);
1376 }
1377
1378 static int hw_init_v2_hw(struct hisi_hba *hisi_hba)
1379 {
1380         struct device *dev = hisi_hba->dev;
1381         int rc;
1382
1383         rc = reset_hw_v2_hw(hisi_hba);
1384         if (rc) {
1385                 dev_err(dev, "hisi_sas_reset_hw failed, rc=%d", rc);
1386                 return rc;
1387         }
1388
1389         msleep(100);
1390         init_reg_v2_hw(hisi_hba);
1391
1392         return 0;
1393 }
1394
1395 static void enable_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
1396 {
1397         u32 cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
1398
1399         cfg |= PHY_CFG_ENA_MSK;
1400         hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
1401 }
1402
1403 static bool is_sata_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
1404 {
1405         u32 context;
1406
1407         context = hisi_sas_read32(hisi_hba, PHY_CONTEXT);
1408         if (context & (1 << phy_no))
1409                 return true;
1410
1411         return false;
1412 }
1413
1414 static bool tx_fifo_is_empty_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
1415 {
1416         u32 dfx_val;
1417
1418         dfx_val = hisi_sas_phy_read32(hisi_hba, phy_no, DMA_TX_DFX1);
1419
1420         if (dfx_val & BIT(16))
1421                 return false;
1422
1423         return true;
1424 }
1425
1426 static bool axi_bus_is_idle_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
1427 {
1428         int i, max_loop = 1000;
1429         struct device *dev = hisi_hba->dev;
1430         u32 status, axi_status, dfx_val, dfx_tx_val;
1431
1432         for (i = 0; i < max_loop; i++) {
1433                 status = hisi_sas_read32_relaxed(hisi_hba,
1434                         AXI_MASTER_CFG_BASE + AM_CURR_TRANS_RETURN);
1435
1436                 axi_status = hisi_sas_read32(hisi_hba, AXI_CFG);
1437                 dfx_val = hisi_sas_phy_read32(hisi_hba, phy_no, DMA_TX_DFX1);
1438                 dfx_tx_val = hisi_sas_phy_read32(hisi_hba,
1439                         phy_no, DMA_TX_FIFO_DFX0);
1440
1441                 if ((status == 0x3) && (axi_status == 0x0) &&
1442                     (dfx_val & BIT(20)) && (dfx_tx_val & BIT(10)))
1443                         return true;
1444                 udelay(10);
1445         }
1446         dev_err(dev, "bus is not idle phy%d, axi150:0x%x axi100:0x%x port204:0x%x port240:0x%x\n",
1447                         phy_no, status, axi_status,
1448                         dfx_val, dfx_tx_val);
1449         return false;
1450 }
1451
1452 static bool wait_io_done_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
1453 {
1454         int i, max_loop = 1000;
1455         struct device *dev = hisi_hba->dev;
1456         u32 status, tx_dfx0;
1457
1458         for (i = 0; i < max_loop; i++) {
1459                 status = hisi_sas_phy_read32(hisi_hba, phy_no, LINK_DFX2);
1460                 status = (status & 0x3fc0) >> 6;
1461
1462                 if (status != 0x1)
1463                         return true;
1464
1465                 tx_dfx0 = hisi_sas_phy_read32(hisi_hba, phy_no, DMA_TX_DFX0);
1466                 if ((tx_dfx0 & 0x1ff) == 0x2)
1467                         return true;
1468                 udelay(10);
1469         }
1470         dev_err(dev, "IO not done phy%d, port264:0x%x port200:0x%x\n",
1471                         phy_no, status, tx_dfx0);
1472         return false;
1473 }
1474
1475 static bool allowed_disable_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
1476 {
1477         if (tx_fifo_is_empty_v2_hw(hisi_hba, phy_no))
1478                 return true;
1479
1480         if (!axi_bus_is_idle_v2_hw(hisi_hba, phy_no))
1481                 return false;
1482
1483         if (!wait_io_done_v2_hw(hisi_hba, phy_no))
1484                 return false;
1485
1486         return true;
1487 }
1488
1489
1490 static void disable_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
1491 {
1492         u32 cfg, axi_val, dfx0_val, txid_auto;
1493         struct device *dev = hisi_hba->dev;
1494
1495         /* Close axi bus. */
1496         axi_val = hisi_sas_read32(hisi_hba, AXI_MASTER_CFG_BASE +
1497                                 AM_CTRL_GLOBAL);
1498         axi_val |= 0x1;
1499         hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE +
1500                 AM_CTRL_GLOBAL, axi_val);
1501
1502         if (is_sata_phy_v2_hw(hisi_hba, phy_no)) {
1503                 if (allowed_disable_phy_v2_hw(hisi_hba, phy_no))
1504                         goto do_disable;
1505
1506                 /* Reset host controller. */
1507                 queue_work(hisi_hba->wq, &hisi_hba->rst_work);
1508                 return;
1509         }
1510
1511         dfx0_val = hisi_sas_phy_read32(hisi_hba, phy_no, PORT_DFX0);
1512         dfx0_val = (dfx0_val & 0x1fc0) >> 6;
1513         if (dfx0_val != 0x4)
1514                 goto do_disable;
1515
1516         if (!tx_fifo_is_empty_v2_hw(hisi_hba, phy_no)) {
1517                 dev_warn(dev, "phy%d, wait tx fifo need send break\n",
1518                         phy_no);
1519                 txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no,
1520                                         TXID_AUTO);
1521                 txid_auto |= TXID_AUTO_CTB_MSK;
1522                 hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
1523                                         txid_auto);
1524         }
1525
1526 do_disable:
1527         cfg = hisi_sas_phy_read32(hisi_hba, phy_no, PHY_CFG);
1528         cfg &= ~PHY_CFG_ENA_MSK;
1529         hisi_sas_phy_write32(hisi_hba, phy_no, PHY_CFG, cfg);
1530
1531         /* Open axi bus. */
1532         axi_val &= ~0x1;
1533         hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE +
1534                 AM_CTRL_GLOBAL, axi_val);
1535 }
1536
1537 static void start_phy_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
1538 {
1539         config_id_frame_v2_hw(hisi_hba, phy_no);
1540         config_phy_opt_mode_v2_hw(hisi_hba, phy_no);
1541         enable_phy_v2_hw(hisi_hba, phy_no);
1542 }
1543
1544 static void phy_hard_reset_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
1545 {
1546         struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
1547         u32 txid_auto;
1548
1549         hisi_sas_phy_enable(hisi_hba, phy_no, 0);
1550         if (phy->identify.device_type == SAS_END_DEVICE) {
1551                 txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO);
1552                 hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
1553                                         txid_auto | TX_HARDRST_MSK);
1554         }
1555         msleep(100);
1556         hisi_sas_phy_enable(hisi_hba, phy_no, 1);
1557 }
1558
1559 static void phy_get_events_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
1560 {
1561         struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
1562         struct asd_sas_phy *sas_phy = &phy->sas_phy;
1563         struct sas_phy *sphy = sas_phy->phy;
1564         u32 err4_reg_val, err6_reg_val;
1565
1566         /* loss dword syn, phy reset problem */
1567         err4_reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SAS_ERR_CNT4_REG);
1568
1569         /* disparity err, invalid dword */
1570         err6_reg_val = hisi_sas_phy_read32(hisi_hba, phy_no, SAS_ERR_CNT6_REG);
1571
1572         sphy->loss_of_dword_sync_count += (err4_reg_val >> 16) & 0xFFFF;
1573         sphy->phy_reset_problem_count += err4_reg_val & 0xFFFF;
1574         sphy->invalid_dword_count += (err6_reg_val & 0xFF0000) >> 16;
1575         sphy->running_disparity_error_count += err6_reg_val & 0xFF;
1576 }
1577
1578 static void phys_init_v2_hw(struct hisi_hba *hisi_hba)
1579 {
1580         int i;
1581
1582         for (i = 0; i < hisi_hba->n_phy; i++) {
1583                 struct hisi_sas_phy *phy = &hisi_hba->phy[i];
1584                 struct asd_sas_phy *sas_phy = &phy->sas_phy;
1585
1586                 if (!sas_phy->phy->enabled)
1587                         continue;
1588
1589                 hisi_sas_phy_enable(hisi_hba, i, 1);
1590         }
1591 }
1592
1593 static void sl_notify_ssp_v2_hw(struct hisi_hba *hisi_hba, int phy_no)
1594 {
1595         u32 sl_control;
1596
1597         sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
1598         sl_control |= SL_CONTROL_NOTIFY_EN_MSK;
1599         hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
1600         msleep(1);
1601         sl_control = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
1602         sl_control &= ~SL_CONTROL_NOTIFY_EN_MSK;
1603         hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL, sl_control);
1604 }
1605
1606 static enum sas_linkrate phy_get_max_linkrate_v2_hw(void)
1607 {
1608         return SAS_LINK_RATE_12_0_GBPS;
1609 }
1610
1611 static void phy_set_linkrate_v2_hw(struct hisi_hba *hisi_hba, int phy_no,
1612                 struct sas_phy_linkrates *r)
1613 {
1614         enum sas_linkrate max = r->maximum_linkrate;
1615         u32 prog_phy_link_rate = 0x800;
1616
1617         prog_phy_link_rate |= hisi_sas_get_prog_phy_linkrate_mask(max);
1618         hisi_sas_phy_write32(hisi_hba, phy_no, PROG_PHY_LINK_RATE,
1619                              prog_phy_link_rate);
1620 }
1621
1622 static int get_wideport_bitmap_v2_hw(struct hisi_hba *hisi_hba, int port_id)
1623 {
1624         int i, bitmap = 0;
1625         u32 phy_port_num_ma = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
1626         u32 phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
1627
1628         for (i = 0; i < (hisi_hba->n_phy < 9 ? hisi_hba->n_phy : 8); i++)
1629                 if (phy_state & 1 << i)
1630                         if (((phy_port_num_ma >> (i * 4)) & 0xf) == port_id)
1631                                 bitmap |= 1 << i;
1632
1633         if (hisi_hba->n_phy == 9) {
1634                 u32 port_state = hisi_sas_read32(hisi_hba, PORT_STATE);
1635
1636                 if (phy_state & 1 << 8)
1637                         if (((port_state & PORT_STATE_PHY8_PORT_NUM_MSK) >>
1638                              PORT_STATE_PHY8_PORT_NUM_OFF) == port_id)
1639                                 bitmap |= 1 << 9;
1640         }
1641
1642         return bitmap;
1643 }
1644
1645 /* DQ lock must be taken here */
1646 static void start_delivery_v2_hw(struct hisi_sas_dq *dq)
1647 {
1648         struct hisi_hba *hisi_hba = dq->hisi_hba;
1649         struct hisi_sas_slot *s, *s1, *s2 = NULL;
1650         int dlvry_queue = dq->id;
1651         int wp;
1652
1653         list_for_each_entry_safe(s, s1, &dq->list, delivery) {
1654                 if (!s->ready)
1655                         break;
1656                 s2 = s;
1657                 list_del(&s->delivery);
1658         }
1659
1660         if (!s2)
1661                 return;
1662
1663         /*
1664          * Ensure that memories for slots built on other CPUs is observed.
1665          */
1666         smp_rmb();
1667         wp = (s2->dlvry_queue_slot + 1) % HISI_SAS_QUEUE_SLOTS;
1668
1669         hisi_sas_write32(hisi_hba, DLVRY_Q_0_WR_PTR + (dlvry_queue * 0x14), wp);
1670 }
1671
1672 static void prep_prd_sge_v2_hw(struct hisi_hba *hisi_hba,
1673                               struct hisi_sas_slot *slot,
1674                               struct hisi_sas_cmd_hdr *hdr,
1675                               struct scatterlist *scatter,
1676                               int n_elem)
1677 {
1678         struct hisi_sas_sge_page *sge_page = hisi_sas_sge_addr_mem(slot);
1679         struct scatterlist *sg;
1680         int i;
1681
1682         for_each_sg(scatter, sg, n_elem, i) {
1683                 struct hisi_sas_sge *entry = &sge_page->sge[i];
1684
1685                 entry->addr = cpu_to_le64(sg_dma_address(sg));
1686                 entry->page_ctrl_0 = entry->page_ctrl_1 = 0;
1687                 entry->data_len = cpu_to_le32(sg_dma_len(sg));
1688                 entry->data_off = 0;
1689         }
1690
1691         hdr->prd_table_addr = cpu_to_le64(hisi_sas_sge_addr_dma(slot));
1692
1693         hdr->sg_len = cpu_to_le32(n_elem << CMD_HDR_DATA_SGL_LEN_OFF);
1694 }
1695
1696 static void prep_smp_v2_hw(struct hisi_hba *hisi_hba,
1697                           struct hisi_sas_slot *slot)
1698 {
1699         struct sas_task *task = slot->task;
1700         struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
1701         struct domain_device *device = task->dev;
1702         struct hisi_sas_port *port = slot->port;
1703         struct scatterlist *sg_req;
1704         struct hisi_sas_device *sas_dev = device->lldd_dev;
1705         dma_addr_t req_dma_addr;
1706         unsigned int req_len;
1707
1708         /* req */
1709         sg_req = &task->smp_task.smp_req;
1710         req_dma_addr = sg_dma_address(sg_req);
1711         req_len = sg_dma_len(&task->smp_task.smp_req);
1712
1713         /* create header */
1714         /* dw0 */
1715         hdr->dw0 = cpu_to_le32((port->id << CMD_HDR_PORT_OFF) |
1716                                (1 << CMD_HDR_PRIORITY_OFF) | /* high pri */
1717                                (2 << CMD_HDR_CMD_OFF)); /* smp */
1718
1719         /* map itct entry */
1720         hdr->dw1 = cpu_to_le32((sas_dev->device_id << CMD_HDR_DEV_ID_OFF) |
1721                                (1 << CMD_HDR_FRAME_TYPE_OFF) |
1722                                (DIR_NO_DATA << CMD_HDR_DIR_OFF));
1723
1724         /* dw2 */
1725         hdr->dw2 = cpu_to_le32((((req_len - 4) / 4) << CMD_HDR_CFL_OFF) |
1726                                (HISI_SAS_MAX_SMP_RESP_SZ / 4 <<
1727                                CMD_HDR_MRFL_OFF));
1728
1729         hdr->transfer_tags = cpu_to_le32(slot->idx << CMD_HDR_IPTT_OFF);
1730
1731         hdr->cmd_table_addr = cpu_to_le64(req_dma_addr);
1732         hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
1733 }
1734
1735 static void prep_ssp_v2_hw(struct hisi_hba *hisi_hba,
1736                           struct hisi_sas_slot *slot)
1737 {
1738         struct sas_task *task = slot->task;
1739         struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
1740         struct domain_device *device = task->dev;
1741         struct hisi_sas_device *sas_dev = device->lldd_dev;
1742         struct hisi_sas_port *port = slot->port;
1743         struct sas_ssp_task *ssp_task = &task->ssp_task;
1744         struct scsi_cmnd *scsi_cmnd = ssp_task->cmd;
1745         struct hisi_sas_tmf_task *tmf = slot->tmf;
1746         int has_data = 0, priority = !!tmf;
1747         u8 *buf_cmd;
1748         u32 dw1 = 0, dw2 = 0;
1749
1750         hdr->dw0 = cpu_to_le32((1 << CMD_HDR_RESP_REPORT_OFF) |
1751                                (2 << CMD_HDR_TLR_CTRL_OFF) |
1752                                (port->id << CMD_HDR_PORT_OFF) |
1753                                (priority << CMD_HDR_PRIORITY_OFF) |
1754                                (1 << CMD_HDR_CMD_OFF)); /* ssp */
1755
1756         dw1 = 1 << CMD_HDR_VDTL_OFF;
1757         if (tmf) {
1758                 dw1 |= 2 << CMD_HDR_FRAME_TYPE_OFF;
1759                 dw1 |= DIR_NO_DATA << CMD_HDR_DIR_OFF;
1760         } else {
1761                 dw1 |= 1 << CMD_HDR_FRAME_TYPE_OFF;
1762                 switch (scsi_cmnd->sc_data_direction) {
1763                 case DMA_TO_DEVICE:
1764                         has_data = 1;
1765                         dw1 |= DIR_TO_DEVICE << CMD_HDR_DIR_OFF;
1766                         break;
1767                 case DMA_FROM_DEVICE:
1768                         has_data = 1;
1769                         dw1 |= DIR_TO_INI << CMD_HDR_DIR_OFF;
1770                         break;
1771                 default:
1772                         dw1 &= ~CMD_HDR_DIR_MSK;
1773                 }
1774         }
1775
1776         /* map itct entry */
1777         dw1 |= sas_dev->device_id << CMD_HDR_DEV_ID_OFF;
1778         hdr->dw1 = cpu_to_le32(dw1);
1779
1780         dw2 = (((sizeof(struct ssp_command_iu) + sizeof(struct ssp_frame_hdr)
1781               + 3) / 4) << CMD_HDR_CFL_OFF) |
1782               ((HISI_SAS_MAX_SSP_RESP_SZ / 4) << CMD_HDR_MRFL_OFF) |
1783               (2 << CMD_HDR_SG_MOD_OFF);
1784         hdr->dw2 = cpu_to_le32(dw2);
1785
1786         hdr->transfer_tags = cpu_to_le32(slot->idx);
1787
1788         if (has_data)
1789                 prep_prd_sge_v2_hw(hisi_hba, slot, hdr, task->scatter,
1790                                         slot->n_elem);
1791
1792         hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len);
1793         hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot));
1794         hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
1795
1796         buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot) +
1797                 sizeof(struct ssp_frame_hdr);
1798
1799         memcpy(buf_cmd, &task->ssp_task.LUN, 8);
1800         if (!tmf) {
1801                 buf_cmd[9] = task->ssp_task.task_attr |
1802                                 (task->ssp_task.task_prio << 3);
1803                 memcpy(buf_cmd + 12, task->ssp_task.cmd->cmnd,
1804                                 task->ssp_task.cmd->cmd_len);
1805         } else {
1806                 buf_cmd[10] = tmf->tmf;
1807                 switch (tmf->tmf) {
1808                 case TMF_ABORT_TASK:
1809                 case TMF_QUERY_TASK:
1810                         buf_cmd[12] =
1811                                 (tmf->tag_of_task_to_be_managed >> 8) & 0xff;
1812                         buf_cmd[13] =
1813                                 tmf->tag_of_task_to_be_managed & 0xff;
1814                         break;
1815                 default:
1816                         break;
1817                 }
1818         }
1819 }
1820
1821 #define TRANS_TX_ERR    0
1822 #define TRANS_RX_ERR    1
1823 #define DMA_TX_ERR              2
1824 #define SIPC_RX_ERR             3
1825 #define DMA_RX_ERR              4
1826
1827 #define DMA_TX_ERR_OFF  0
1828 #define DMA_TX_ERR_MSK  (0xffff << DMA_TX_ERR_OFF)
1829 #define SIPC_RX_ERR_OFF 16
1830 #define SIPC_RX_ERR_MSK (0xffff << SIPC_RX_ERR_OFF)
1831
1832 static int parse_trans_tx_err_code_v2_hw(u32 err_msk)
1833 {
1834         static const u8 trans_tx_err_code_prio[] = {
1835                 TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS,
1836                 TRANS_TX_ERR_PHY_NOT_ENABLE,
1837                 TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION,
1838                 TRANS_TX_OPEN_CNX_ERR_ZONE_VIOLATION,
1839                 TRANS_TX_OPEN_CNX_ERR_BY_OTHER,
1840                 RESERVED0,
1841                 TRANS_TX_OPEN_CNX_ERR_AIP_TIMEOUT,
1842                 TRANS_TX_OPEN_CNX_ERR_STP_RESOURCES_BUSY,
1843                 TRANS_TX_OPEN_CNX_ERR_PROTOCOL_NOT_SUPPORTED,
1844                 TRANS_TX_OPEN_CNX_ERR_CONNECTION_RATE_NOT_SUPPORTED,
1845                 TRANS_TX_OPEN_CNX_ERR_BAD_DESTINATION,
1846                 TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD,
1847                 TRANS_TX_OPEN_CNX_ERR_LOW_PHY_POWER,
1848                 TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED,
1849                 TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT,
1850                 TRANS_TX_OPEN_CNX_ERR_NO_DESTINATION,
1851                 TRANS_TX_OPEN_RETRY_ERR_THRESHOLD_REACHED,
1852                 TRANS_TX_ERR_WITH_CLOSE_PHYDISALE,
1853                 TRANS_TX_ERR_WITH_CLOSE_DWS_TIMEOUT,
1854                 TRANS_TX_ERR_WITH_CLOSE_COMINIT,
1855                 TRANS_TX_ERR_WITH_BREAK_TIMEOUT,
1856                 TRANS_TX_ERR_WITH_BREAK_REQUEST,
1857                 TRANS_TX_ERR_WITH_BREAK_RECEVIED,
1858                 TRANS_TX_ERR_WITH_CLOSE_TIMEOUT,
1859                 TRANS_TX_ERR_WITH_CLOSE_NORMAL,
1860                 TRANS_TX_ERR_WITH_NAK_RECEVIED,
1861                 TRANS_TX_ERR_WITH_ACK_NAK_TIMEOUT,
1862                 TRANS_TX_ERR_WITH_CREDIT_TIMEOUT,
1863                 TRANS_TX_ERR_WITH_IPTT_CONFLICT,
1864                 TRANS_TX_ERR_WITH_OPEN_BY_DES_OR_OTHERS,
1865                 TRANS_TX_ERR_WITH_WAIT_RECV_TIMEOUT,
1866         };
1867         int index, i;
1868
1869         for (i = 0; i < ARRAY_SIZE(trans_tx_err_code_prio); i++) {
1870                 index = trans_tx_err_code_prio[i] - TRANS_TX_FAIL_BASE;
1871                 if (err_msk & (1 << index))
1872                         return trans_tx_err_code_prio[i];
1873         }
1874         return -1;
1875 }
1876
1877 static int parse_trans_rx_err_code_v2_hw(u32 err_msk)
1878 {
1879         static const u8 trans_rx_err_code_prio[] = {
1880                 TRANS_RX_ERR_WITH_RXFRAME_CRC_ERR,
1881                 TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR,
1882                 TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM,
1883                 TRANS_RX_ERR_WITH_RXFIS_DECODE_ERROR,
1884                 TRANS_RX_ERR_WITH_RXFIS_CRC_ERR,
1885                 TRANS_RX_ERR_WITH_RXFRAME_LENGTH_OVERRUN,
1886                 TRANS_RX_ERR_WITH_RXFIS_RX_SYNCP,
1887                 TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN,
1888                 TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE,
1889                 TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT,
1890                 TRANS_RX_ERR_WITH_CLOSE_COMINIT,
1891                 TRANS_RX_ERR_WITH_BREAK_TIMEOUT,
1892                 TRANS_RX_ERR_WITH_BREAK_REQUEST,
1893                 TRANS_RX_ERR_WITH_BREAK_RECEVIED,
1894                 RESERVED1,
1895                 TRANS_RX_ERR_WITH_CLOSE_NORMAL,
1896                 TRANS_RX_ERR_WITH_DATA_LEN0,
1897                 TRANS_RX_ERR_WITH_BAD_HASH,
1898                 TRANS_RX_XRDY_WLEN_ZERO_ERR,
1899                 TRANS_RX_SSP_FRM_LEN_ERR,
1900                 RESERVED2,
1901                 RESERVED3,
1902                 RESERVED4,
1903                 RESERVED5,
1904                 TRANS_RX_ERR_WITH_BAD_FRM_TYPE,
1905                 TRANS_RX_SMP_FRM_LEN_ERR,
1906                 TRANS_RX_SMP_RESP_TIMEOUT_ERR,
1907                 RESERVED6,
1908                 RESERVED7,
1909                 RESERVED8,
1910                 RESERVED9,
1911                 TRANS_RX_R_ERR,
1912         };
1913         int index, i;
1914
1915         for (i = 0; i < ARRAY_SIZE(trans_rx_err_code_prio); i++) {
1916                 index = trans_rx_err_code_prio[i] - TRANS_RX_FAIL_BASE;
1917                 if (err_msk & (1 << index))
1918                         return trans_rx_err_code_prio[i];
1919         }
1920         return -1;
1921 }
1922
1923 static int parse_dma_tx_err_code_v2_hw(u32 err_msk)
1924 {
1925         static const u8 dma_tx_err_code_prio[] = {
1926                 DMA_TX_UNEXP_XFER_ERR,
1927                 DMA_TX_UNEXP_RETRANS_ERR,
1928                 DMA_TX_XFER_LEN_OVERFLOW,
1929                 DMA_TX_XFER_OFFSET_ERR,
1930                 DMA_TX_RAM_ECC_ERR,
1931                 DMA_TX_DIF_LEN_ALIGN_ERR,
1932                 DMA_TX_DIF_CRC_ERR,
1933                 DMA_TX_DIF_APP_ERR,
1934                 DMA_TX_DIF_RPP_ERR,
1935                 DMA_TX_DATA_SGL_OVERFLOW,
1936                 DMA_TX_DIF_SGL_OVERFLOW,
1937         };
1938         int index, i;
1939
1940         for (i = 0; i < ARRAY_SIZE(dma_tx_err_code_prio); i++) {
1941                 index = dma_tx_err_code_prio[i] - DMA_TX_ERR_BASE;
1942                 err_msk = err_msk & DMA_TX_ERR_MSK;
1943                 if (err_msk & (1 << index))
1944                         return dma_tx_err_code_prio[i];
1945         }
1946         return -1;
1947 }
1948
1949 static int parse_sipc_rx_err_code_v2_hw(u32 err_msk)
1950 {
1951         static const u8 sipc_rx_err_code_prio[] = {
1952                 SIPC_RX_FIS_STATUS_ERR_BIT_VLD,
1953                 SIPC_RX_PIO_WRSETUP_STATUS_DRQ_ERR,
1954                 SIPC_RX_FIS_STATUS_BSY_BIT_ERR,
1955                 SIPC_RX_WRSETUP_LEN_ODD_ERR,
1956                 SIPC_RX_WRSETUP_LEN_ZERO_ERR,
1957                 SIPC_RX_WRDATA_LEN_NOT_MATCH_ERR,
1958                 SIPC_RX_NCQ_WRSETUP_OFFSET_ERR,
1959                 SIPC_RX_NCQ_WRSETUP_AUTO_ACTIVE_ERR,
1960                 SIPC_RX_SATA_UNEXP_FIS_ERR,
1961                 SIPC_RX_WRSETUP_ESTATUS_ERR,
1962                 SIPC_RX_DATA_UNDERFLOW_ERR,
1963         };
1964         int index, i;
1965
1966         for (i = 0; i < ARRAY_SIZE(sipc_rx_err_code_prio); i++) {
1967                 index = sipc_rx_err_code_prio[i] - SIPC_RX_ERR_BASE;
1968                 err_msk = err_msk & SIPC_RX_ERR_MSK;
1969                 if (err_msk & (1 << (index + 0x10)))
1970                         return sipc_rx_err_code_prio[i];
1971         }
1972         return -1;
1973 }
1974
1975 static int parse_dma_rx_err_code_v2_hw(u32 err_msk)
1976 {
1977         static const u8 dma_rx_err_code_prio[] = {
1978                 DMA_RX_UNKNOWN_FRM_ERR,
1979                 DMA_RX_DATA_LEN_OVERFLOW,
1980                 DMA_RX_DATA_LEN_UNDERFLOW,
1981                 DMA_RX_DATA_OFFSET_ERR,
1982                 RESERVED10,
1983                 DMA_RX_SATA_FRAME_TYPE_ERR,
1984                 DMA_RX_RESP_BUF_OVERFLOW,
1985                 DMA_RX_UNEXP_RETRANS_RESP_ERR,
1986                 DMA_RX_UNEXP_NORM_RESP_ERR,
1987                 DMA_RX_UNEXP_RDFRAME_ERR,
1988                 DMA_RX_PIO_DATA_LEN_ERR,
1989                 DMA_RX_RDSETUP_STATUS_ERR,
1990                 DMA_RX_RDSETUP_STATUS_DRQ_ERR,
1991                 DMA_RX_RDSETUP_STATUS_BSY_ERR,
1992                 DMA_RX_RDSETUP_LEN_ODD_ERR,
1993                 DMA_RX_RDSETUP_LEN_ZERO_ERR,
1994                 DMA_RX_RDSETUP_LEN_OVER_ERR,
1995                 DMA_RX_RDSETUP_OFFSET_ERR,
1996                 DMA_RX_RDSETUP_ACTIVE_ERR,
1997                 DMA_RX_RDSETUP_ESTATUS_ERR,
1998                 DMA_RX_RAM_ECC_ERR,
1999                 DMA_RX_DIF_CRC_ERR,
2000                 DMA_RX_DIF_APP_ERR,
2001                 DMA_RX_DIF_RPP_ERR,
2002                 DMA_RX_DATA_SGL_OVERFLOW,
2003                 DMA_RX_DIF_SGL_OVERFLOW,
2004         };
2005         int index, i;
2006
2007         for (i = 0; i < ARRAY_SIZE(dma_rx_err_code_prio); i++) {
2008                 index = dma_rx_err_code_prio[i] - DMA_RX_ERR_BASE;
2009                 if (err_msk & (1 << index))
2010                         return dma_rx_err_code_prio[i];
2011         }
2012         return -1;
2013 }
2014
2015 /* by default, task resp is complete */
2016 static void slot_err_v2_hw(struct hisi_hba *hisi_hba,
2017                            struct sas_task *task,
2018                            struct hisi_sas_slot *slot,
2019                            int err_phase)
2020 {
2021         struct task_status_struct *ts = &task->task_status;
2022         struct hisi_sas_err_record_v2 *err_record =
2023                         hisi_sas_status_buf_addr_mem(slot);
2024         u32 trans_tx_fail_type = le32_to_cpu(err_record->trans_tx_fail_type);
2025         u32 trans_rx_fail_type = le32_to_cpu(err_record->trans_rx_fail_type);
2026         u16 dma_tx_err_type = le16_to_cpu(err_record->dma_tx_err_type);
2027         u16 sipc_rx_err_type = le16_to_cpu(err_record->sipc_rx_err_type);
2028         u32 dma_rx_err_type = le32_to_cpu(err_record->dma_rx_err_type);
2029         int error = -1;
2030
2031         if (err_phase == 1) {
2032                 /* error in TX phase, the priority of error is: DW2 > DW0 */
2033                 error = parse_dma_tx_err_code_v2_hw(dma_tx_err_type);
2034                 if (error == -1)
2035                         error = parse_trans_tx_err_code_v2_hw(
2036                                         trans_tx_fail_type);
2037         } else if (err_phase == 2) {
2038                 /* error in RX phase, the priority is: DW1 > DW3 > DW2 */
2039                 error = parse_trans_rx_err_code_v2_hw(trans_rx_fail_type);
2040                 if (error == -1) {
2041                         error = parse_dma_rx_err_code_v2_hw(
2042                                         dma_rx_err_type);
2043                         if (error == -1)
2044                                 error = parse_sipc_rx_err_code_v2_hw(
2045                                                 sipc_rx_err_type);
2046                 }
2047         }
2048
2049         switch (task->task_proto) {
2050         case SAS_PROTOCOL_SSP:
2051         {
2052                 switch (error) {
2053                 case TRANS_TX_OPEN_CNX_ERR_NO_DESTINATION:
2054                 {
2055                         ts->stat = SAS_OPEN_REJECT;
2056                         ts->open_rej_reason = SAS_OREJ_NO_DEST;
2057                         break;
2058                 }
2059                 case TRANS_TX_OPEN_CNX_ERR_PROTOCOL_NOT_SUPPORTED:
2060                 {
2061                         ts->stat = SAS_OPEN_REJECT;
2062                         ts->open_rej_reason = SAS_OREJ_EPROTO;
2063                         break;
2064                 }
2065                 case TRANS_TX_OPEN_CNX_ERR_CONNECTION_RATE_NOT_SUPPORTED:
2066                 {
2067                         ts->stat = SAS_OPEN_REJECT;
2068                         ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2069                         break;
2070                 }
2071                 case TRANS_TX_OPEN_CNX_ERR_BAD_DESTINATION:
2072                 {
2073                         ts->stat = SAS_OPEN_REJECT;
2074                         ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2075                         break;
2076                 }
2077                 case TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION:
2078                 {
2079                         ts->stat = SAS_OPEN_REJECT;
2080                         ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2081                         break;
2082                 }
2083                 case DMA_RX_UNEXP_NORM_RESP_ERR:
2084                 case TRANS_TX_OPEN_CNX_ERR_ZONE_VIOLATION:
2085                 case DMA_RX_RESP_BUF_OVERFLOW:
2086                 {
2087                         ts->stat = SAS_OPEN_REJECT;
2088                         ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2089                         break;
2090                 }
2091                 case TRANS_TX_OPEN_CNX_ERR_LOW_PHY_POWER:
2092                 {
2093                         /* not sure */
2094                         ts->stat = SAS_DEV_NO_RESPONSE;
2095                         break;
2096                 }
2097                 case DMA_RX_DATA_LEN_OVERFLOW:
2098                 {
2099                         ts->stat = SAS_DATA_OVERRUN;
2100                         ts->residual = 0;
2101                         break;
2102                 }
2103                 case DMA_RX_DATA_LEN_UNDERFLOW:
2104                 {
2105                         ts->residual = trans_tx_fail_type;
2106                         ts->stat = SAS_DATA_UNDERRUN;
2107                         break;
2108                 }
2109                 case TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS:
2110                 case TRANS_TX_ERR_PHY_NOT_ENABLE:
2111                 case TRANS_TX_OPEN_CNX_ERR_BY_OTHER:
2112                 case TRANS_TX_OPEN_CNX_ERR_AIP_TIMEOUT:
2113                 case TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD:
2114                 case TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED:
2115                 case TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT:
2116                 case TRANS_TX_OPEN_RETRY_ERR_THRESHOLD_REACHED:
2117                 case TRANS_TX_ERR_WITH_BREAK_TIMEOUT:
2118                 case TRANS_TX_ERR_WITH_BREAK_REQUEST:
2119                 case TRANS_TX_ERR_WITH_BREAK_RECEVIED:
2120                 case TRANS_TX_ERR_WITH_CLOSE_TIMEOUT:
2121                 case TRANS_TX_ERR_WITH_CLOSE_NORMAL:
2122                 case TRANS_TX_ERR_WITH_CLOSE_PHYDISALE:
2123                 case TRANS_TX_ERR_WITH_CLOSE_DWS_TIMEOUT:
2124                 case TRANS_TX_ERR_WITH_CLOSE_COMINIT:
2125                 case TRANS_TX_ERR_WITH_NAK_RECEVIED:
2126                 case TRANS_TX_ERR_WITH_ACK_NAK_TIMEOUT:
2127                 case TRANS_TX_ERR_WITH_CREDIT_TIMEOUT:
2128                 case TRANS_TX_ERR_WITH_IPTT_CONFLICT:
2129                 case TRANS_RX_ERR_WITH_RXFRAME_CRC_ERR:
2130                 case TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR:
2131                 case TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM:
2132                 case TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN:
2133                 case TRANS_RX_ERR_WITH_BREAK_TIMEOUT:
2134                 case TRANS_RX_ERR_WITH_BREAK_REQUEST:
2135                 case TRANS_RX_ERR_WITH_BREAK_RECEVIED:
2136                 case TRANS_RX_ERR_WITH_CLOSE_NORMAL:
2137                 case TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT:
2138                 case TRANS_RX_ERR_WITH_CLOSE_COMINIT:
2139                 case TRANS_TX_ERR_FRAME_TXED:
2140                 case TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE:
2141                 case TRANS_RX_ERR_WITH_DATA_LEN0:
2142                 case TRANS_RX_ERR_WITH_BAD_HASH:
2143                 case TRANS_RX_XRDY_WLEN_ZERO_ERR:
2144                 case TRANS_RX_SSP_FRM_LEN_ERR:
2145                 case TRANS_RX_ERR_WITH_BAD_FRM_TYPE:
2146                 case DMA_TX_DATA_SGL_OVERFLOW:
2147                 case DMA_TX_UNEXP_XFER_ERR:
2148                 case DMA_TX_UNEXP_RETRANS_ERR:
2149                 case DMA_TX_XFER_LEN_OVERFLOW:
2150                 case DMA_TX_XFER_OFFSET_ERR:
2151                 case SIPC_RX_DATA_UNDERFLOW_ERR:
2152                 case DMA_RX_DATA_SGL_OVERFLOW:
2153                 case DMA_RX_DATA_OFFSET_ERR:
2154                 case DMA_RX_RDSETUP_LEN_ODD_ERR:
2155                 case DMA_RX_RDSETUP_LEN_ZERO_ERR:
2156                 case DMA_RX_RDSETUP_LEN_OVER_ERR:
2157                 case DMA_RX_SATA_FRAME_TYPE_ERR:
2158                 case DMA_RX_UNKNOWN_FRM_ERR:
2159                 {
2160                         /* This will request a retry */
2161                         ts->stat = SAS_QUEUE_FULL;
2162                         slot->abort = 1;
2163                         break;
2164                 }
2165                 default:
2166                         break;
2167                 }
2168         }
2169                 break;
2170         case SAS_PROTOCOL_SMP:
2171                 ts->stat = SAM_STAT_CHECK_CONDITION;
2172                 break;
2173
2174         case SAS_PROTOCOL_SATA:
2175         case SAS_PROTOCOL_STP:
2176         case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
2177         {
2178                 switch (error) {
2179                 case TRANS_TX_OPEN_CNX_ERR_NO_DESTINATION:
2180                 {
2181                         ts->stat = SAS_OPEN_REJECT;
2182                         ts->open_rej_reason = SAS_OREJ_NO_DEST;
2183                         break;
2184                 }
2185                 case TRANS_TX_OPEN_CNX_ERR_LOW_PHY_POWER:
2186                 {
2187                         ts->resp = SAS_TASK_UNDELIVERED;
2188                         ts->stat = SAS_DEV_NO_RESPONSE;
2189                         break;
2190                 }
2191                 case TRANS_TX_OPEN_CNX_ERR_PROTOCOL_NOT_SUPPORTED:
2192                 {
2193                         ts->stat = SAS_OPEN_REJECT;
2194                         ts->open_rej_reason = SAS_OREJ_EPROTO;
2195                         break;
2196                 }
2197                 case TRANS_TX_OPEN_CNX_ERR_CONNECTION_RATE_NOT_SUPPORTED:
2198                 {
2199                         ts->stat = SAS_OPEN_REJECT;
2200                         ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2201                         break;
2202                 }
2203                 case TRANS_TX_OPEN_CNX_ERR_BAD_DESTINATION:
2204                 {
2205                         ts->stat = SAS_OPEN_REJECT;
2206                         ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2207                         break;
2208                 }
2209                 case TRANS_TX_OPEN_CNX_ERR_WRONG_DESTINATION:
2210                 {
2211                         ts->stat = SAS_OPEN_REJECT;
2212                         ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2213                         break;
2214                 }
2215                 case DMA_RX_RESP_BUF_OVERFLOW:
2216                 case DMA_RX_UNEXP_NORM_RESP_ERR:
2217                 case TRANS_TX_OPEN_CNX_ERR_ZONE_VIOLATION:
2218                 {
2219                         ts->stat = SAS_OPEN_REJECT;
2220                         ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2221                         break;
2222                 }
2223                 case DMA_RX_DATA_LEN_OVERFLOW:
2224                 {
2225                         ts->stat = SAS_DATA_OVERRUN;
2226                         ts->residual = 0;
2227                         break;
2228                 }
2229                 case DMA_RX_DATA_LEN_UNDERFLOW:
2230                 {
2231                         ts->residual = trans_tx_fail_type;
2232                         ts->stat = SAS_DATA_UNDERRUN;
2233                         break;
2234                 }
2235                 case TRANS_TX_OPEN_FAIL_WITH_IT_NEXUS_LOSS:
2236                 case TRANS_TX_ERR_PHY_NOT_ENABLE:
2237                 case TRANS_TX_OPEN_CNX_ERR_BY_OTHER:
2238                 case TRANS_TX_OPEN_CNX_ERR_AIP_TIMEOUT:
2239                 case TRANS_TX_OPEN_CNX_ERR_BREAK_RCVD:
2240                 case TRANS_TX_OPEN_CNX_ERR_PATHWAY_BLOCKED:
2241                 case TRANS_TX_OPEN_CNX_ERR_OPEN_TIMEOUT:
2242                 case TRANS_TX_OPEN_RETRY_ERR_THRESHOLD_REACHED:
2243                 case TRANS_TX_ERR_WITH_BREAK_TIMEOUT:
2244                 case TRANS_TX_ERR_WITH_BREAK_REQUEST:
2245                 case TRANS_TX_ERR_WITH_BREAK_RECEVIED:
2246                 case TRANS_TX_ERR_WITH_CLOSE_TIMEOUT:
2247                 case TRANS_TX_ERR_WITH_CLOSE_NORMAL:
2248                 case TRANS_TX_ERR_WITH_CLOSE_PHYDISALE:
2249                 case TRANS_TX_ERR_WITH_CLOSE_DWS_TIMEOUT:
2250                 case TRANS_TX_ERR_WITH_CLOSE_COMINIT:
2251                 case TRANS_TX_ERR_WITH_ACK_NAK_TIMEOUT:
2252                 case TRANS_TX_ERR_WITH_CREDIT_TIMEOUT:
2253                 case TRANS_TX_ERR_WITH_OPEN_BY_DES_OR_OTHERS:
2254                 case TRANS_TX_ERR_WITH_WAIT_RECV_TIMEOUT:
2255                 case TRANS_RX_ERR_WITH_RXFRAME_HAVE_ERRPRM:
2256                 case TRANS_RX_ERR_WITH_RXFIS_8B10B_DISP_ERR:
2257                 case TRANS_RX_ERR_WITH_RXFIS_DECODE_ERROR:
2258                 case TRANS_RX_ERR_WITH_RXFIS_CRC_ERR:
2259                 case TRANS_RX_ERR_WITH_RXFRAME_LENGTH_OVERRUN:
2260                 case TRANS_RX_ERR_WITH_RXFIS_RX_SYNCP:
2261                 case TRANS_RX_ERR_WITH_LINK_BUF_OVERRUN:
2262                 case TRANS_RX_ERR_WITH_BREAK_TIMEOUT:
2263                 case TRANS_RX_ERR_WITH_BREAK_REQUEST:
2264                 case TRANS_RX_ERR_WITH_BREAK_RECEVIED:
2265                 case TRANS_RX_ERR_WITH_CLOSE_NORMAL:
2266                 case TRANS_RX_ERR_WITH_CLOSE_PHY_DISABLE:
2267                 case TRANS_RX_ERR_WITH_CLOSE_DWS_TIMEOUT:
2268                 case TRANS_RX_ERR_WITH_CLOSE_COMINIT:
2269                 case TRANS_RX_ERR_WITH_DATA_LEN0:
2270                 case TRANS_RX_ERR_WITH_BAD_HASH:
2271                 case TRANS_RX_XRDY_WLEN_ZERO_ERR:
2272                 case TRANS_RX_ERR_WITH_BAD_FRM_TYPE:
2273                 case DMA_TX_DATA_SGL_OVERFLOW:
2274                 case DMA_TX_UNEXP_XFER_ERR:
2275                 case DMA_TX_UNEXP_RETRANS_ERR:
2276                 case DMA_TX_XFER_LEN_OVERFLOW:
2277                 case DMA_TX_XFER_OFFSET_ERR:
2278                 case SIPC_RX_FIS_STATUS_ERR_BIT_VLD:
2279                 case SIPC_RX_PIO_WRSETUP_STATUS_DRQ_ERR:
2280                 case SIPC_RX_FIS_STATUS_BSY_BIT_ERR:
2281                 case SIPC_RX_WRSETUP_LEN_ODD_ERR:
2282                 case SIPC_RX_WRSETUP_LEN_ZERO_ERR:
2283                 case SIPC_RX_WRDATA_LEN_NOT_MATCH_ERR:
2284                 case SIPC_RX_SATA_UNEXP_FIS_ERR:
2285                 case DMA_RX_DATA_SGL_OVERFLOW:
2286                 case DMA_RX_DATA_OFFSET_ERR:
2287                 case DMA_RX_SATA_FRAME_TYPE_ERR:
2288                 case DMA_RX_UNEXP_RDFRAME_ERR:
2289                 case DMA_RX_PIO_DATA_LEN_ERR:
2290                 case DMA_RX_RDSETUP_STATUS_ERR:
2291                 case DMA_RX_RDSETUP_STATUS_DRQ_ERR:
2292                 case DMA_RX_RDSETUP_STATUS_BSY_ERR:
2293                 case DMA_RX_RDSETUP_LEN_ODD_ERR:
2294                 case DMA_RX_RDSETUP_LEN_ZERO_ERR:
2295                 case DMA_RX_RDSETUP_LEN_OVER_ERR:
2296                 case DMA_RX_RDSETUP_OFFSET_ERR:
2297                 case DMA_RX_RDSETUP_ACTIVE_ERR:
2298                 case DMA_RX_RDSETUP_ESTATUS_ERR:
2299                 case DMA_RX_UNKNOWN_FRM_ERR:
2300                 case TRANS_RX_SSP_FRM_LEN_ERR:
2301                 case TRANS_TX_OPEN_CNX_ERR_STP_RESOURCES_BUSY:
2302                 {
2303                         slot->abort = 1;
2304                         ts->stat = SAS_PHY_DOWN;
2305                         break;
2306                 }
2307                 default:
2308                 {
2309                         ts->stat = SAS_PROTO_RESPONSE;
2310                         break;
2311                 }
2312                 }
2313                 hisi_sas_sata_done(task, slot);
2314         }
2315                 break;
2316         default:
2317                 break;
2318         }
2319 }
2320
2321 static void slot_complete_v2_hw(struct hisi_hba *hisi_hba,
2322                                 struct hisi_sas_slot *slot)
2323 {
2324         struct sas_task *task = slot->task;
2325         struct hisi_sas_device *sas_dev;
2326         struct device *dev = hisi_hba->dev;
2327         struct task_status_struct *ts;
2328         struct domain_device *device;
2329         struct sas_ha_struct *ha;
2330         struct hisi_sas_complete_v2_hdr *complete_queue =
2331                         hisi_hba->complete_hdr[slot->cmplt_queue];
2332         struct hisi_sas_complete_v2_hdr *complete_hdr =
2333                         &complete_queue[slot->cmplt_queue_slot];
2334         unsigned long flags;
2335         bool is_internal = slot->is_internal;
2336         u32 dw0;
2337
2338         if (unlikely(!task || !task->lldd_task || !task->dev))
2339                 return;
2340
2341         ts = &task->task_status;
2342         device = task->dev;
2343         ha = device->port->ha;
2344         sas_dev = device->lldd_dev;
2345
2346         spin_lock_irqsave(&task->task_state_lock, flags);
2347         task->task_state_flags &=
2348                 ~(SAS_TASK_STATE_PENDING | SAS_TASK_AT_INITIATOR);
2349         spin_unlock_irqrestore(&task->task_state_lock, flags);
2350
2351         memset(ts, 0, sizeof(*ts));
2352         ts->resp = SAS_TASK_COMPLETE;
2353
2354         if (unlikely(!sas_dev)) {
2355                 dev_dbg(dev, "slot complete: port has no device\n");
2356                 ts->stat = SAS_PHY_DOWN;
2357                 goto out;
2358         }
2359
2360         /* Use SAS+TMF status codes */
2361         dw0 = le32_to_cpu(complete_hdr->dw0);
2362         switch ((dw0 & CMPLT_HDR_ABORT_STAT_MSK) >>
2363                 CMPLT_HDR_ABORT_STAT_OFF) {
2364         case STAT_IO_ABORTED:
2365                 /* this io has been aborted by abort command */
2366                 ts->stat = SAS_ABORTED_TASK;
2367                 goto out;
2368         case STAT_IO_COMPLETE:
2369                 /* internal abort command complete */
2370                 ts->stat = TMF_RESP_FUNC_SUCC;
2371                 del_timer(&slot->internal_abort_timer);
2372                 goto out;
2373         case STAT_IO_NO_DEVICE:
2374                 ts->stat = TMF_RESP_FUNC_COMPLETE;
2375                 del_timer(&slot->internal_abort_timer);
2376                 goto out;
2377         case STAT_IO_NOT_VALID:
2378                 /* abort single io, controller don't find
2379                  * the io need to abort
2380                  */
2381                 ts->stat = TMF_RESP_FUNC_FAILED;
2382                 del_timer(&slot->internal_abort_timer);
2383                 goto out;
2384         default:
2385                 break;
2386         }
2387
2388         if ((dw0 & CMPLT_HDR_ERX_MSK) && (!(dw0 & CMPLT_HDR_RSPNS_XFRD_MSK))) {
2389                 u32 err_phase = (dw0 & CMPLT_HDR_ERR_PHASE_MSK)
2390                                 >> CMPLT_HDR_ERR_PHASE_OFF;
2391                 u32 *error_info = hisi_sas_status_buf_addr_mem(slot);
2392
2393                 /* Analyse error happens on which phase TX or RX */
2394                 if (ERR_ON_TX_PHASE(err_phase))
2395                         slot_err_v2_hw(hisi_hba, task, slot, 1);
2396                 else if (ERR_ON_RX_PHASE(err_phase))
2397                         slot_err_v2_hw(hisi_hba, task, slot, 2);
2398
2399                 if (ts->stat != SAS_DATA_UNDERRUN)
2400                         dev_info(dev, "erroneous completion iptt=%d task=%pK dev id=%d CQ hdr: 0x%x 0x%x 0x%x 0x%x Error info: 0x%x 0x%x 0x%x 0x%x\n",
2401                                  slot->idx, task, sas_dev->device_id,
2402                                  complete_hdr->dw0, complete_hdr->dw1,
2403                                  complete_hdr->act, complete_hdr->dw3,
2404                                  error_info[0], error_info[1],
2405                                  error_info[2], error_info[3]);
2406
2407                 if (unlikely(slot->abort))
2408                         return;
2409                 goto out;
2410         }
2411
2412         switch (task->task_proto) {
2413         case SAS_PROTOCOL_SSP:
2414         {
2415                 struct hisi_sas_status_buffer *status_buffer =
2416                                 hisi_sas_status_buf_addr_mem(slot);
2417                 struct ssp_response_iu *iu = (struct ssp_response_iu *)
2418                                 &status_buffer->iu[0];
2419
2420                 sas_ssp_task_response(dev, task, iu);
2421                 break;
2422         }
2423         case SAS_PROTOCOL_SMP:
2424         {
2425                 struct scatterlist *sg_resp = &task->smp_task.smp_resp;
2426                 void *to = page_address(sg_page(sg_resp));
2427
2428                 ts->stat = SAM_STAT_GOOD;
2429
2430                 dma_unmap_sg(dev, &task->smp_task.smp_req, 1,
2431                              DMA_TO_DEVICE);
2432                 memcpy(to + sg_resp->offset,
2433                        hisi_sas_status_buf_addr_mem(slot) +
2434                        sizeof(struct hisi_sas_err_record),
2435                        sg_resp->length);
2436                 break;
2437         }
2438         case SAS_PROTOCOL_SATA:
2439         case SAS_PROTOCOL_STP:
2440         case SAS_PROTOCOL_SATA | SAS_PROTOCOL_STP:
2441         {
2442                 ts->stat = SAM_STAT_GOOD;
2443                 hisi_sas_sata_done(task, slot);
2444                 break;
2445         }
2446         default:
2447                 ts->stat = SAM_STAT_CHECK_CONDITION;
2448                 break;
2449         }
2450
2451         if (!slot->port->port_attached) {
2452                 dev_warn(dev, "slot complete: port %d has removed\n",
2453                         slot->port->sas_port.id);
2454                 ts->stat = SAS_PHY_DOWN;
2455         }
2456
2457 out:
2458         spin_lock_irqsave(&task->task_state_lock, flags);
2459         if (task->task_state_flags & SAS_TASK_STATE_ABORTED) {
2460                 spin_unlock_irqrestore(&task->task_state_lock, flags);
2461                 dev_info(dev, "slot complete: task(%pK) aborted\n", task);
2462                 return;
2463         }
2464         task->task_state_flags |= SAS_TASK_STATE_DONE;
2465         spin_unlock_irqrestore(&task->task_state_lock, flags);
2466         hisi_sas_slot_task_free(hisi_hba, task, slot);
2467
2468         if (!is_internal && (task->task_proto != SAS_PROTOCOL_SMP)) {
2469                 spin_lock_irqsave(&device->done_lock, flags);
2470                 if (test_bit(SAS_HA_FROZEN, &ha->state)) {
2471                         spin_unlock_irqrestore(&device->done_lock, flags);
2472                         dev_info(dev, "slot complete: task(%pK) ignored\n",
2473                                  task);
2474                         return;
2475                 }
2476                 spin_unlock_irqrestore(&device->done_lock, flags);
2477         }
2478
2479         if (task->task_done)
2480                 task->task_done(task);
2481 }
2482
2483 static void prep_ata_v2_hw(struct hisi_hba *hisi_hba,
2484                           struct hisi_sas_slot *slot)
2485 {
2486         struct sas_task *task = slot->task;
2487         struct domain_device *device = task->dev;
2488         struct domain_device *parent_dev = device->parent;
2489         struct hisi_sas_device *sas_dev = device->lldd_dev;
2490         struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
2491         struct asd_sas_port *sas_port = device->port;
2492         struct hisi_sas_port *port = to_hisi_sas_port(sas_port);
2493         struct hisi_sas_tmf_task *tmf = slot->tmf;
2494         u8 *buf_cmd;
2495         int has_data = 0, hdr_tag = 0;
2496         u32 dw0, dw1 = 0, dw2 = 0;
2497
2498         /* create header */
2499         /* dw0 */
2500         dw0 = port->id << CMD_HDR_PORT_OFF;
2501         if (parent_dev && dev_is_expander(parent_dev->dev_type))
2502                 dw0 |= 3 << CMD_HDR_CMD_OFF;
2503         else
2504                 dw0 |= 4 << CMD_HDR_CMD_OFF;
2505
2506         if (tmf && tmf->force_phy) {
2507                 dw0 |= CMD_HDR_FORCE_PHY_MSK;
2508                 dw0 |= (1 << tmf->phy_id) << CMD_HDR_PHY_ID_OFF;
2509         }
2510
2511         hdr->dw0 = cpu_to_le32(dw0);
2512
2513         /* dw1 */
2514         switch (task->data_dir) {
2515         case DMA_TO_DEVICE:
2516                 has_data = 1;
2517                 dw1 |= DIR_TO_DEVICE << CMD_HDR_DIR_OFF;
2518                 break;
2519         case DMA_FROM_DEVICE:
2520                 has_data = 1;
2521                 dw1 |= DIR_TO_INI << CMD_HDR_DIR_OFF;
2522                 break;
2523         default:
2524                 dw1 &= ~CMD_HDR_DIR_MSK;
2525         }
2526
2527         if ((task->ata_task.fis.command == ATA_CMD_DEV_RESET) &&
2528                         (task->ata_task.fis.control & ATA_SRST))
2529                 dw1 |= 1 << CMD_HDR_RESET_OFF;
2530
2531         dw1 |= (hisi_sas_get_ata_protocol(
2532                 &task->ata_task.fis, task->data_dir))
2533                 << CMD_HDR_FRAME_TYPE_OFF;
2534         dw1 |= sas_dev->device_id << CMD_HDR_DEV_ID_OFF;
2535         hdr->dw1 = cpu_to_le32(dw1);
2536
2537         /* dw2 */
2538         if (task->ata_task.use_ncq) {
2539                 struct ata_queued_cmd *qc = task->uldd_task;
2540
2541                 hdr_tag = qc->tag;
2542                 task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
2543                 dw2 |= hdr_tag << CMD_HDR_NCQ_TAG_OFF;
2544         }
2545
2546         dw2 |= (HISI_SAS_MAX_STP_RESP_SZ / 4) << CMD_HDR_CFL_OFF |
2547                         2 << CMD_HDR_SG_MOD_OFF;
2548         hdr->dw2 = cpu_to_le32(dw2);
2549
2550         /* dw3 */
2551         hdr->transfer_tags = cpu_to_le32(slot->idx);
2552
2553         if (has_data)
2554                 prep_prd_sge_v2_hw(hisi_hba, slot, hdr, task->scatter,
2555                                         slot->n_elem);
2556
2557         hdr->data_transfer_len = cpu_to_le32(task->total_xfer_len);
2558         hdr->cmd_table_addr = cpu_to_le64(hisi_sas_cmd_hdr_addr_dma(slot));
2559         hdr->sts_buffer_addr = cpu_to_le64(hisi_sas_status_buf_addr_dma(slot));
2560
2561         buf_cmd = hisi_sas_cmd_hdr_addr_mem(slot);
2562
2563         if (likely(!task->ata_task.device_control_reg_update))
2564                 task->ata_task.fis.flags |= 0x80; /* C=1: update ATA cmd reg */
2565         /* fill in command FIS */
2566         memcpy(buf_cmd, &task->ata_task.fis, sizeof(struct host_to_dev_fis));
2567 }
2568
2569 static void hisi_sas_internal_abort_quirk_timeout(struct timer_list *t)
2570 {
2571         struct hisi_sas_slot *slot = from_timer(slot, t, internal_abort_timer);
2572         struct hisi_sas_port *port = slot->port;
2573         struct asd_sas_port *asd_sas_port;
2574         struct asd_sas_phy *sas_phy;
2575
2576         if (!port)
2577                 return;
2578
2579         asd_sas_port = &port->sas_port;
2580
2581         /* Kick the hardware - send break command */
2582         list_for_each_entry(sas_phy, &asd_sas_port->phy_list, port_phy_el) {
2583                 struct hisi_sas_phy *phy = sas_phy->lldd_phy;
2584                 struct hisi_hba *hisi_hba = phy->hisi_hba;
2585                 int phy_no = sas_phy->id;
2586                 u32 link_dfx2;
2587
2588                 link_dfx2 = hisi_sas_phy_read32(hisi_hba, phy_no, LINK_DFX2);
2589                 if ((link_dfx2 == LINK_DFX2_RCVR_HOLD_STS_MSK) ||
2590                     (link_dfx2 & LINK_DFX2_SEND_HOLD_STS_MSK)) {
2591                         u32 txid_auto;
2592
2593                         txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no,
2594                                                         TXID_AUTO);
2595                         txid_auto |= TXID_AUTO_CTB_MSK;
2596                         hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
2597                                              txid_auto);
2598                         return;
2599                 }
2600         }
2601 }
2602
2603 static void prep_abort_v2_hw(struct hisi_hba *hisi_hba,
2604                 struct hisi_sas_slot *slot,
2605                 int device_id, int abort_flag, int tag_to_abort)
2606 {
2607         struct sas_task *task = slot->task;
2608         struct domain_device *dev = task->dev;
2609         struct hisi_sas_cmd_hdr *hdr = slot->cmd_hdr;
2610         struct hisi_sas_port *port = slot->port;
2611         struct timer_list *timer = &slot->internal_abort_timer;
2612
2613         /* setup the quirk timer */
2614         timer_setup(timer, hisi_sas_internal_abort_quirk_timeout, 0);
2615         /* Set the timeout to 10ms less than internal abort timeout */
2616         mod_timer(timer, jiffies + msecs_to_jiffies(100));
2617
2618         /* dw0 */
2619         hdr->dw0 = cpu_to_le32((5 << CMD_HDR_CMD_OFF) | /*abort*/
2620                                (port->id << CMD_HDR_PORT_OFF) |
2621                                (dev_is_sata(dev) <<
2622                                 CMD_HDR_ABORT_DEVICE_TYPE_OFF) |
2623                                (abort_flag << CMD_HDR_ABORT_FLAG_OFF));
2624
2625         /* dw1 */
2626         hdr->dw1 = cpu_to_le32(device_id << CMD_HDR_DEV_ID_OFF);
2627
2628         /* dw7 */
2629         hdr->dw7 = cpu_to_le32(tag_to_abort << CMD_HDR_ABORT_IPTT_OFF);
2630         hdr->transfer_tags = cpu_to_le32(slot->idx);
2631 }
2632
2633 static int phy_up_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
2634 {
2635         int i, res = IRQ_HANDLED;
2636         u32 port_id, link_rate;
2637         struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
2638         struct asd_sas_phy *sas_phy = &phy->sas_phy;
2639         struct device *dev = hisi_hba->dev;
2640         u32 *frame_rcvd = (u32 *)sas_phy->frame_rcvd;
2641         struct sas_identify_frame *id = (struct sas_identify_frame *)frame_rcvd;
2642         unsigned long flags;
2643
2644         hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_PHY_ENA_MSK, 1);
2645
2646         if (is_sata_phy_v2_hw(hisi_hba, phy_no))
2647                 goto end;
2648
2649         del_timer(&phy->timer);
2650
2651         if (phy_no == 8) {
2652                 u32 port_state = hisi_sas_read32(hisi_hba, PORT_STATE);
2653
2654                 port_id = (port_state & PORT_STATE_PHY8_PORT_NUM_MSK) >>
2655                           PORT_STATE_PHY8_PORT_NUM_OFF;
2656                 link_rate = (port_state & PORT_STATE_PHY8_CONN_RATE_MSK) >>
2657                             PORT_STATE_PHY8_CONN_RATE_OFF;
2658         } else {
2659                 port_id = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
2660                 port_id = (port_id >> (4 * phy_no)) & 0xf;
2661                 link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE);
2662                 link_rate = (link_rate >> (phy_no * 4)) & 0xf;
2663         }
2664
2665         if (port_id == 0xf) {
2666                 dev_err(dev, "phyup: phy%d invalid portid\n", phy_no);
2667                 res = IRQ_NONE;
2668                 goto end;
2669         }
2670
2671         for (i = 0; i < 6; i++) {
2672                 u32 idaf = hisi_sas_phy_read32(hisi_hba, phy_no,
2673                                                RX_IDAF_DWORD0 + (i * 4));
2674                 frame_rcvd[i] = __swab32(idaf);
2675         }
2676
2677         sas_phy->linkrate = link_rate;
2678         sas_phy->oob_mode = SAS_OOB_MODE;
2679         memcpy(sas_phy->attached_sas_addr, &id->sas_addr, SAS_ADDR_SIZE);
2680         dev_info(dev, "phyup: phy%d link_rate=%d\n", phy_no, link_rate);
2681         phy->port_id = port_id;
2682         phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
2683         phy->phy_type |= PORT_TYPE_SAS;
2684         phy->phy_attached = 1;
2685         phy->identify.device_type = id->dev_type;
2686         phy->frame_rcvd_size =  sizeof(struct sas_identify_frame);
2687         if (phy->identify.device_type == SAS_END_DEVICE)
2688                 phy->identify.target_port_protocols =
2689                         SAS_PROTOCOL_SSP;
2690         else if (phy->identify.device_type != SAS_PHY_UNUSED) {
2691                 phy->identify.target_port_protocols =
2692                         SAS_PROTOCOL_SMP;
2693                 if (!timer_pending(&hisi_hba->timer))
2694                         set_link_timer_quirk(hisi_hba);
2695         }
2696         hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP);
2697         spin_lock_irqsave(&phy->lock, flags);
2698         if (phy->reset_completion) {
2699                 phy->in_reset = 0;
2700                 complete(phy->reset_completion);
2701         }
2702         spin_unlock_irqrestore(&phy->lock, flags);
2703
2704 end:
2705         hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
2706                              CHL_INT0_SL_PHY_ENABLE_MSK);
2707         hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_PHY_ENA_MSK, 0);
2708
2709         return res;
2710 }
2711
2712 static bool check_any_wideports_v2_hw(struct hisi_hba *hisi_hba)
2713 {
2714         u32 port_state;
2715
2716         port_state = hisi_sas_read32(hisi_hba, PORT_STATE);
2717         if (port_state & 0x1ff)
2718                 return true;
2719
2720         return false;
2721 }
2722
2723 static int phy_down_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
2724 {
2725         u32 phy_state, sl_ctrl, txid_auto;
2726         struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
2727         struct hisi_sas_port *port = phy->port;
2728         struct device *dev = hisi_hba->dev;
2729
2730         del_timer(&phy->timer);
2731         hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 1);
2732
2733         phy_state = hisi_sas_read32(hisi_hba, PHY_STATE);
2734         dev_info(dev, "phydown: phy%d phy_state=0x%x\n", phy_no, phy_state);
2735         hisi_sas_phy_down(hisi_hba, phy_no, (phy_state & 1 << phy_no) ? 1 : 0);
2736
2737         sl_ctrl = hisi_sas_phy_read32(hisi_hba, phy_no, SL_CONTROL);
2738         hisi_sas_phy_write32(hisi_hba, phy_no, SL_CONTROL,
2739                              sl_ctrl & ~SL_CONTROL_CTA_MSK);
2740         if (port && !get_wideport_bitmap_v2_hw(hisi_hba, port->id))
2741                 if (!check_any_wideports_v2_hw(hisi_hba) &&
2742                                 timer_pending(&hisi_hba->timer))
2743                         del_timer(&hisi_hba->timer);
2744
2745         txid_auto = hisi_sas_phy_read32(hisi_hba, phy_no, TXID_AUTO);
2746         hisi_sas_phy_write32(hisi_hba, phy_no, TXID_AUTO,
2747                              txid_auto | TXID_AUTO_CT3_MSK);
2748
2749         hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0, CHL_INT0_NOT_RDY_MSK);
2750         hisi_sas_phy_write32(hisi_hba, phy_no, PHYCTRL_NOT_RDY_MSK, 0);
2751
2752         return IRQ_HANDLED;
2753 }
2754
2755 static irqreturn_t int_phy_updown_v2_hw(int irq_no, void *p)
2756 {
2757         struct hisi_hba *hisi_hba = p;
2758         u32 irq_msk;
2759         int phy_no = 0;
2760         irqreturn_t res = IRQ_NONE;
2761
2762         irq_msk = (hisi_sas_read32(hisi_hba, HGC_INVLD_DQE_INFO)
2763                    >> HGC_INVLD_DQE_INFO_FB_CH0_OFF) & 0x1ff;
2764         while (irq_msk) {
2765                 if (irq_msk  & 1) {
2766                         u32 reg_value = hisi_sas_phy_read32(hisi_hba, phy_no,
2767                                             CHL_INT0);
2768
2769                         switch (reg_value & (CHL_INT0_NOT_RDY_MSK |
2770                                         CHL_INT0_SL_PHY_ENABLE_MSK)) {
2771
2772                         case CHL_INT0_SL_PHY_ENABLE_MSK:
2773                                 /* phy up */
2774                                 if (phy_up_v2_hw(phy_no, hisi_hba) ==
2775                                     IRQ_HANDLED)
2776                                         res = IRQ_HANDLED;
2777                                 break;
2778
2779                         case CHL_INT0_NOT_RDY_MSK:
2780                                 /* phy down */
2781                                 if (phy_down_v2_hw(phy_no, hisi_hba) ==
2782                                     IRQ_HANDLED)
2783                                         res = IRQ_HANDLED;
2784                                 break;
2785
2786                         case (CHL_INT0_NOT_RDY_MSK |
2787                                         CHL_INT0_SL_PHY_ENABLE_MSK):
2788                                 reg_value = hisi_sas_read32(hisi_hba,
2789                                                 PHY_STATE);
2790                                 if (reg_value & BIT(phy_no)) {
2791                                         /* phy up */
2792                                         if (phy_up_v2_hw(phy_no, hisi_hba) ==
2793                                             IRQ_HANDLED)
2794                                                 res = IRQ_HANDLED;
2795                                 } else {
2796                                         /* phy down */
2797                                         if (phy_down_v2_hw(phy_no, hisi_hba) ==
2798                                             IRQ_HANDLED)
2799                                                 res = IRQ_HANDLED;
2800                                 }
2801                                 break;
2802
2803                         default:
2804                                 break;
2805                         }
2806
2807                 }
2808                 irq_msk >>= 1;
2809                 phy_no++;
2810         }
2811
2812         return res;
2813 }
2814
2815 static void phy_bcast_v2_hw(int phy_no, struct hisi_hba *hisi_hba)
2816 {
2817         struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
2818         struct asd_sas_phy *sas_phy = &phy->sas_phy;
2819         struct sas_ha_struct *sas_ha = &hisi_hba->sha;
2820         u32 bcast_status;
2821
2822         hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 1);
2823         bcast_status = hisi_sas_phy_read32(hisi_hba, phy_no, RX_PRIMS_STATUS);
2824         if ((bcast_status & RX_BCAST_CHG_MSK) &&
2825             !test_bit(HISI_SAS_RESET_BIT, &hisi_hba->flags))
2826                 sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
2827         hisi_sas_phy_write32(hisi_hba, phy_no, CHL_INT0,
2828                              CHL_INT0_SL_RX_BCST_ACK_MSK);
2829         hisi_sas_phy_write32(hisi_hba, phy_no, SL_RX_BCAST_CHK_MSK, 0);
2830 }
2831
2832 static const struct hisi_sas_hw_error port_ecc_axi_error[] = {
2833         {
2834                 .irq_msk = BIT(CHL_INT1_DMAC_TX_ECC_ERR_OFF),
2835                 .msg = "dmac_tx_ecc_bad_err",
2836         },
2837         {
2838                 .irq_msk = BIT(CHL_INT1_DMAC_RX_ECC_ERR_OFF),
2839                 .msg = "dmac_rx_ecc_bad_err",
2840         },
2841         {
2842                 .irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_WR_ERR_OFF),
2843                 .msg = "dma_tx_axi_wr_err",
2844         },
2845         {
2846                 .irq_msk = BIT(CHL_INT1_DMAC_TX_AXI_RD_ERR_OFF),
2847                 .msg = "dma_tx_axi_rd_err",
2848         },
2849         {
2850                 .irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_WR_ERR_OFF),
2851                 .msg = "dma_rx_axi_wr_err",
2852         },
2853         {
2854                 .irq_msk = BIT(CHL_INT1_DMAC_RX_AXI_RD_ERR_OFF),
2855                 .msg = "dma_rx_axi_rd_err",
2856         },
2857 };
2858
2859 static irqreturn_t int_chnl_int_v2_hw(int irq_no, void *p)
2860 {
2861         struct hisi_hba *hisi_hba = p;
2862         struct device *dev = hisi_hba->dev;
2863         u32 ent_msk, ent_tmp, irq_msk;
2864         int phy_no = 0;
2865
2866         ent_msk = hisi_sas_read32(hisi_hba, ENT_INT_SRC_MSK3);
2867         ent_tmp = ent_msk;
2868         ent_msk |= ENT_INT_SRC_MSK3_ENT95_MSK_MSK;
2869         hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, ent_msk);
2870
2871         irq_msk = (hisi_sas_read32(hisi_hba, HGC_INVLD_DQE_INFO) >>
2872                         HGC_INVLD_DQE_INFO_FB_CH3_OFF) & 0x1ff;
2873
2874         while (irq_msk) {
2875                 u32 irq_value0 = hisi_sas_phy_read32(hisi_hba, phy_no,
2876                                                      CHL_INT0);
2877                 u32 irq_value1 = hisi_sas_phy_read32(hisi_hba, phy_no,
2878                                                      CHL_INT1);
2879                 u32 irq_value2 = hisi_sas_phy_read32(hisi_hba, phy_no,
2880                                                      CHL_INT2);
2881
2882                 if ((irq_msk & (1 << phy_no)) && irq_value1) {
2883                         int i;
2884
2885                         for (i = 0; i < ARRAY_SIZE(port_ecc_axi_error); i++) {
2886                                 const struct hisi_sas_hw_error *error =
2887                                                 &port_ecc_axi_error[i];
2888
2889                                 if (!(irq_value1 & error->irq_msk))
2890                                         continue;
2891
2892                                 dev_warn(dev, "%s error (phy%d 0x%x) found!\n",
2893                                         error->msg, phy_no, irq_value1);
2894                                 queue_work(hisi_hba->wq, &hisi_hba->rst_work);
2895                         }
2896
2897                         hisi_sas_phy_write32(hisi_hba, phy_no,
2898                                              CHL_INT1, irq_value1);
2899                 }
2900
2901                 if ((irq_msk & (1 << phy_no)) && irq_value2) {
2902                         struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
2903
2904                         if (irq_value2 & BIT(CHL_INT2_SL_IDAF_TOUT_CONF_OFF)) {
2905                                 dev_warn(dev, "phy%d identify timeout\n",
2906                                          phy_no);
2907                                 hisi_sas_notify_phy_event(phy,
2908                                                 HISI_PHYE_LINK_RESET);
2909                         }
2910
2911                         hisi_sas_phy_write32(hisi_hba, phy_no,
2912                                                  CHL_INT2, irq_value2);
2913                 }
2914
2915                 if ((irq_msk & (1 << phy_no)) && irq_value0) {
2916                         if (irq_value0 & CHL_INT0_SL_RX_BCST_ACK_MSK)
2917                                 phy_bcast_v2_hw(phy_no, hisi_hba);
2918
2919                         if (irq_value0 & CHL_INT0_PHY_RDY_MSK)
2920                                 hisi_sas_phy_oob_ready(hisi_hba, phy_no);
2921
2922                         hisi_sas_phy_write32(hisi_hba, phy_no,
2923                                         CHL_INT0, irq_value0
2924                                         & (~CHL_INT0_HOTPLUG_TOUT_MSK)
2925                                         & (~CHL_INT0_SL_PHY_ENABLE_MSK)
2926                                         & (~CHL_INT0_NOT_RDY_MSK));
2927                 }
2928                 irq_msk &= ~(1 << phy_no);
2929                 phy_no++;
2930         }
2931
2932         hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, ent_tmp);
2933
2934         return IRQ_HANDLED;
2935 }
2936
2937 static void
2938 one_bit_ecc_error_process_v2_hw(struct hisi_hba *hisi_hba, u32 irq_value)
2939 {
2940         struct device *dev = hisi_hba->dev;
2941         const struct hisi_sas_hw_error *ecc_error;
2942         u32 val;
2943         int i;
2944
2945         for (i = 0; i < ARRAY_SIZE(one_bit_ecc_errors); i++) {
2946                 ecc_error = &one_bit_ecc_errors[i];
2947                 if (irq_value & ecc_error->irq_msk) {
2948                         val = hisi_sas_read32(hisi_hba, ecc_error->reg);
2949                         val &= ecc_error->msk;
2950                         val >>= ecc_error->shift;
2951                         dev_warn(dev, "%s found: mem addr is 0x%08X\n",
2952                                  ecc_error->msg, val);
2953                 }
2954         }
2955 }
2956
2957 static void multi_bit_ecc_error_process_v2_hw(struct hisi_hba *hisi_hba,
2958                 u32 irq_value)
2959 {
2960         struct device *dev = hisi_hba->dev;
2961         const struct hisi_sas_hw_error *ecc_error;
2962         u32 val;
2963         int i;
2964
2965         for (i = 0; i < ARRAY_SIZE(multi_bit_ecc_errors); i++) {
2966                 ecc_error = &multi_bit_ecc_errors[i];
2967                 if (irq_value & ecc_error->irq_msk) {
2968                         val = hisi_sas_read32(hisi_hba, ecc_error->reg);
2969                         val &= ecc_error->msk;
2970                         val >>= ecc_error->shift;
2971                         dev_err(dev, "%s (0x%x) found: mem addr is 0x%08X\n",
2972                                 ecc_error->msg, irq_value, val);
2973                         queue_work(hisi_hba->wq, &hisi_hba->rst_work);
2974                 }
2975         }
2976
2977         return;
2978 }
2979
2980 static irqreturn_t fatal_ecc_int_v2_hw(int irq_no, void *p)
2981 {
2982         struct hisi_hba *hisi_hba = p;
2983         u32 irq_value, irq_msk;
2984
2985         irq_msk = hisi_sas_read32(hisi_hba, SAS_ECC_INTR_MSK);
2986         hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, irq_msk | 0xffffffff);
2987
2988         irq_value = hisi_sas_read32(hisi_hba, SAS_ECC_INTR);
2989         if (irq_value) {
2990                 one_bit_ecc_error_process_v2_hw(hisi_hba, irq_value);
2991                 multi_bit_ecc_error_process_v2_hw(hisi_hba, irq_value);
2992         }
2993
2994         hisi_sas_write32(hisi_hba, SAS_ECC_INTR, irq_value);
2995         hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, irq_msk);
2996
2997         return IRQ_HANDLED;
2998 }
2999
3000 static const struct hisi_sas_hw_error axi_error[] = {
3001         { .msk = BIT(0), .msg = "IOST_AXI_W_ERR" },
3002         { .msk = BIT(1), .msg = "IOST_AXI_R_ERR" },
3003         { .msk = BIT(2), .msg = "ITCT_AXI_W_ERR" },
3004         { .msk = BIT(3), .msg = "ITCT_AXI_R_ERR" },
3005         { .msk = BIT(4), .msg = "SATA_AXI_W_ERR" },
3006         { .msk = BIT(5), .msg = "SATA_AXI_R_ERR" },
3007         { .msk = BIT(6), .msg = "DQE_AXI_R_ERR" },
3008         { .msk = BIT(7), .msg = "CQE_AXI_W_ERR" },
3009         {}
3010 };
3011
3012 static const struct hisi_sas_hw_error fifo_error[] = {
3013         { .msk = BIT(8),  .msg = "CQE_WINFO_FIFO" },
3014         { .msk = BIT(9),  .msg = "CQE_MSG_FIFIO" },
3015         { .msk = BIT(10), .msg = "GETDQE_FIFO" },
3016         { .msk = BIT(11), .msg = "CMDP_FIFO" },
3017         { .msk = BIT(12), .msg = "AWTCTRL_FIFO" },
3018         {}
3019 };
3020
3021 static const struct hisi_sas_hw_error fatal_axi_errors[] = {
3022         {
3023                 .irq_msk = BIT(ENT_INT_SRC3_WP_DEPTH_OFF),
3024                 .msg = "write pointer and depth",
3025         },
3026         {
3027                 .irq_msk = BIT(ENT_INT_SRC3_IPTT_SLOT_NOMATCH_OFF),
3028                 .msg = "iptt no match slot",
3029         },
3030         {
3031                 .irq_msk = BIT(ENT_INT_SRC3_RP_DEPTH_OFF),
3032                 .msg = "read pointer and depth",
3033         },
3034         {
3035                 .irq_msk = BIT(ENT_INT_SRC3_AXI_OFF),
3036                 .reg = HGC_AXI_FIFO_ERR_INFO,
3037                 .sub = axi_error,
3038         },
3039         {
3040                 .irq_msk = BIT(ENT_INT_SRC3_FIFO_OFF),
3041                 .reg = HGC_AXI_FIFO_ERR_INFO,
3042                 .sub = fifo_error,
3043         },
3044         {
3045                 .irq_msk = BIT(ENT_INT_SRC3_LM_OFF),
3046                 .msg = "LM add/fetch list",
3047         },
3048         {
3049                 .irq_msk = BIT(ENT_INT_SRC3_ABT_OFF),
3050                 .msg = "SAS_HGC_ABT fetch LM list",
3051         },
3052 };
3053
3054 static irqreturn_t fatal_axi_int_v2_hw(int irq_no, void *p)
3055 {
3056         struct hisi_hba *hisi_hba = p;
3057         u32 irq_value, irq_msk, err_value;
3058         struct device *dev = hisi_hba->dev;
3059         const struct hisi_sas_hw_error *axi_error;
3060         int i;
3061
3062         irq_msk = hisi_sas_read32(hisi_hba, ENT_INT_SRC_MSK3);
3063         hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, irq_msk | 0xfffffffe);
3064
3065         irq_value = hisi_sas_read32(hisi_hba, ENT_INT_SRC3);
3066
3067         for (i = 0; i < ARRAY_SIZE(fatal_axi_errors); i++) {
3068                 axi_error = &fatal_axi_errors[i];
3069                 if (!(irq_value & axi_error->irq_msk))
3070                         continue;
3071
3072                 hisi_sas_write32(hisi_hba, ENT_INT_SRC3,
3073                                  1 << axi_error->shift);
3074                 if (axi_error->sub) {
3075                         const struct hisi_sas_hw_error *sub = axi_error->sub;
3076
3077                         err_value = hisi_sas_read32(hisi_hba, axi_error->reg);
3078                         for (; sub->msk || sub->msg; sub++) {
3079                                 if (!(err_value & sub->msk))
3080                                         continue;
3081                                 dev_err(dev, "%s (0x%x) found!\n",
3082                                         sub->msg, irq_value);
3083                                 queue_work(hisi_hba->wq, &hisi_hba->rst_work);
3084                         }
3085                 } else {
3086                         dev_err(dev, "%s (0x%x) found!\n",
3087                                 axi_error->msg, irq_value);
3088                         queue_work(hisi_hba->wq, &hisi_hba->rst_work);
3089                 }
3090         }
3091
3092         if (irq_value & BIT(ENT_INT_SRC3_ITC_INT_OFF)) {
3093                 u32 reg_val = hisi_sas_read32(hisi_hba, ITCT_CLR);
3094                 u32 dev_id = reg_val & ITCT_DEV_MSK;
3095                 struct hisi_sas_device *sas_dev = &hisi_hba->devices[dev_id];
3096
3097                 hisi_sas_write32(hisi_hba, ITCT_CLR, 0);
3098                 dev_dbg(dev, "clear ITCT ok\n");
3099                 complete(sas_dev->completion);
3100         }
3101
3102         hisi_sas_write32(hisi_hba, ENT_INT_SRC3, irq_value);
3103         hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, irq_msk);
3104
3105         return IRQ_HANDLED;
3106 }
3107
3108 static irqreturn_t  cq_thread_v2_hw(int irq_no, void *p)
3109 {
3110         struct hisi_sas_cq *cq = p;
3111         struct hisi_hba *hisi_hba = cq->hisi_hba;
3112         struct hisi_sas_slot *slot;
3113         struct hisi_sas_itct *itct;
3114         struct hisi_sas_complete_v2_hdr *complete_queue;
3115         u32 rd_point = cq->rd_point, wr_point, dev_id;
3116         int queue = cq->id;
3117
3118         if (unlikely(hisi_hba->reject_stp_links_msk))
3119                 phys_try_accept_stp_links_v2_hw(hisi_hba);
3120
3121         complete_queue = hisi_hba->complete_hdr[queue];
3122
3123         wr_point = hisi_sas_read32(hisi_hba, COMPL_Q_0_WR_PTR +
3124                                    (0x14 * queue));
3125
3126         while (rd_point != wr_point) {
3127                 struct hisi_sas_complete_v2_hdr *complete_hdr;
3128                 int iptt;
3129
3130                 complete_hdr = &complete_queue[rd_point];
3131
3132                 /* Check for NCQ completion */
3133                 if (complete_hdr->act) {
3134                         u32 act_tmp = le32_to_cpu(complete_hdr->act);
3135                         int ncq_tag_count = ffs(act_tmp);
3136                         u32 dw1 = le32_to_cpu(complete_hdr->dw1);
3137
3138                         dev_id = (dw1 & CMPLT_HDR_DEV_ID_MSK) >>
3139                                  CMPLT_HDR_DEV_ID_OFF;
3140                         itct = &hisi_hba->itct[dev_id];
3141
3142                         /* The NCQ tags are held in the itct header */
3143                         while (ncq_tag_count) {
3144                                 __le64 *_ncq_tag = &itct->qw4_15[0], __ncq_tag;
3145                                 u64 ncq_tag;
3146
3147                                 ncq_tag_count--;
3148                                 __ncq_tag = _ncq_tag[ncq_tag_count / 5];
3149                                 ncq_tag = le64_to_cpu(__ncq_tag);
3150                                 iptt = (ncq_tag >> (ncq_tag_count % 5) * 12) &
3151                                        0xfff;
3152
3153                                 slot = &hisi_hba->slot_info[iptt];
3154                                 slot->cmplt_queue_slot = rd_point;
3155                                 slot->cmplt_queue = queue;
3156                                 slot_complete_v2_hw(hisi_hba, slot);
3157
3158                                 act_tmp &= ~(1 << ncq_tag_count);
3159                                 ncq_tag_count = ffs(act_tmp);
3160                         }
3161                 } else {
3162                         u32 dw1 = le32_to_cpu(complete_hdr->dw1);
3163
3164                         iptt = dw1 & CMPLT_HDR_IPTT_MSK;
3165                         slot = &hisi_hba->slot_info[iptt];
3166                         slot->cmplt_queue_slot = rd_point;
3167                         slot->cmplt_queue = queue;
3168                         slot_complete_v2_hw(hisi_hba, slot);
3169                 }
3170
3171                 if (++rd_point >= HISI_SAS_QUEUE_SLOTS)
3172                         rd_point = 0;
3173         }
3174
3175         /* update rd_point */
3176         cq->rd_point = rd_point;
3177         hisi_sas_write32(hisi_hba, COMPL_Q_0_RD_PTR + (0x14 * queue), rd_point);
3178
3179         return IRQ_HANDLED;
3180 }
3181
3182 static irqreturn_t cq_interrupt_v2_hw(int irq_no, void *p)
3183 {
3184         struct hisi_sas_cq *cq = p;
3185         struct hisi_hba *hisi_hba = cq->hisi_hba;
3186         int queue = cq->id;
3187
3188         hisi_sas_write32(hisi_hba, OQ_INT_SRC, 1 << queue);
3189
3190         return IRQ_WAKE_THREAD;
3191 }
3192
3193 static irqreturn_t sata_int_v2_hw(int irq_no, void *p)
3194 {
3195         struct hisi_sas_phy *phy = p;
3196         struct hisi_hba *hisi_hba = phy->hisi_hba;
3197         struct asd_sas_phy *sas_phy = &phy->sas_phy;
3198         struct device *dev = hisi_hba->dev;
3199         struct  hisi_sas_initial_fis *initial_fis;
3200         struct dev_to_host_fis *fis;
3201         u32 ent_tmp, ent_msk, ent_int, port_id, link_rate, hard_phy_linkrate;
3202         irqreturn_t res = IRQ_HANDLED;
3203         u8 attached_sas_addr[SAS_ADDR_SIZE] = {0};
3204         unsigned long flags;
3205         int phy_no, offset;
3206
3207         del_timer(&phy->timer);
3208
3209         phy_no = sas_phy->id;
3210         initial_fis = &hisi_hba->initial_fis[phy_no];
3211         fis = &initial_fis->fis;
3212
3213         offset = 4 * (phy_no / 4);
3214         ent_msk = hisi_sas_read32(hisi_hba, ENT_INT_SRC_MSK1 + offset);
3215         hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1 + offset,
3216                          ent_msk | 1 << ((phy_no % 4) * 8));
3217
3218         ent_int = hisi_sas_read32(hisi_hba, ENT_INT_SRC1 + offset);
3219         ent_tmp = ent_int & (1 << (ENT_INT_SRC1_D2H_FIS_CH1_OFF *
3220                              (phy_no % 4)));
3221         ent_int >>= ENT_INT_SRC1_D2H_FIS_CH1_OFF * (phy_no % 4);
3222         if ((ent_int & ENT_INT_SRC1_D2H_FIS_CH0_MSK) == 0) {
3223                 dev_warn(dev, "sata int: phy%d did not receive FIS\n", phy_no);
3224                 res = IRQ_NONE;
3225                 goto end;
3226         }
3227
3228         /* check ERR bit of Status Register */
3229         if (fis->status & ATA_ERR) {
3230                 dev_warn(dev, "sata int: phy%d FIS status: 0x%x\n", phy_no,
3231                          fis->status);
3232                 hisi_sas_notify_phy_event(phy, HISI_PHYE_LINK_RESET);
3233                 res = IRQ_NONE;
3234                 goto end;
3235         }
3236
3237         if (unlikely(phy_no == 8)) {
3238                 u32 port_state = hisi_sas_read32(hisi_hba, PORT_STATE);
3239
3240                 port_id = (port_state & PORT_STATE_PHY8_PORT_NUM_MSK) >>
3241                           PORT_STATE_PHY8_PORT_NUM_OFF;
3242                 link_rate = (port_state & PORT_STATE_PHY8_CONN_RATE_MSK) >>
3243                             PORT_STATE_PHY8_CONN_RATE_OFF;
3244         } else {
3245                 port_id = hisi_sas_read32(hisi_hba, PHY_PORT_NUM_MA);
3246                 port_id = (port_id >> (4 * phy_no)) & 0xf;
3247                 link_rate = hisi_sas_read32(hisi_hba, PHY_CONN_RATE);
3248                 link_rate = (link_rate >> (phy_no * 4)) & 0xf;
3249         }
3250
3251         if (port_id == 0xf) {
3252                 dev_err(dev, "sata int: phy%d invalid portid\n", phy_no);
3253                 res = IRQ_NONE;
3254                 goto end;
3255         }
3256
3257         sas_phy->linkrate = link_rate;
3258         hard_phy_linkrate = hisi_sas_phy_read32(hisi_hba, phy_no,
3259                                                 HARD_PHY_LINKRATE);
3260         phy->maximum_linkrate = hard_phy_linkrate & 0xf;
3261         phy->minimum_linkrate = (hard_phy_linkrate >> 4) & 0xf;
3262
3263         sas_phy->oob_mode = SATA_OOB_MODE;
3264         /* Make up some unique SAS address */
3265         attached_sas_addr[0] = 0x50;
3266         attached_sas_addr[6] = hisi_hba->shost->host_no;
3267         attached_sas_addr[7] = phy_no;
3268         memcpy(sas_phy->attached_sas_addr, attached_sas_addr, SAS_ADDR_SIZE);
3269         memcpy(sas_phy->frame_rcvd, fis, sizeof(struct dev_to_host_fis));
3270         dev_info(dev, "sata int phyup: phy%d link_rate=%d\n", phy_no, link_rate);
3271         phy->phy_type &= ~(PORT_TYPE_SAS | PORT_TYPE_SATA);
3272         phy->port_id = port_id;
3273         phy->phy_type |= PORT_TYPE_SATA;
3274         phy->phy_attached = 1;
3275         phy->identify.device_type = SAS_SATA_DEV;
3276         phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3277         phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3278         hisi_sas_notify_phy_event(phy, HISI_PHYE_PHY_UP);
3279
3280         spin_lock_irqsave(&phy->lock, flags);
3281         if (phy->reset_completion) {
3282                 phy->in_reset = 0;
3283                 complete(phy->reset_completion);
3284         }
3285         spin_unlock_irqrestore(&phy->lock, flags);
3286 end:
3287         hisi_sas_write32(hisi_hba, ENT_INT_SRC1 + offset, ent_tmp);
3288         hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1 + offset, ent_msk);
3289
3290         return res;
3291 }
3292
3293 static irq_handler_t phy_interrupts[HISI_SAS_PHY_INT_NR] = {
3294         int_phy_updown_v2_hw,
3295         int_chnl_int_v2_hw,
3296 };
3297
3298 static irq_handler_t fatal_interrupts[HISI_SAS_FATAL_INT_NR] = {
3299         fatal_ecc_int_v2_hw,
3300         fatal_axi_int_v2_hw
3301 };
3302
3303 /**
3304  * There is a limitation in the hip06 chipset that we need
3305  * to map in all mbigen interrupts, even if they are not used.
3306  */
3307 static int interrupt_init_v2_hw(struct hisi_hba *hisi_hba)
3308 {
3309         struct platform_device *pdev = hisi_hba->platform_dev;
3310         struct device *dev = &pdev->dev;
3311         int irq, rc = 0, irq_map[128];
3312         int i, phy_no, fatal_no, queue_no;
3313
3314         for (i = 0; i < 128; i++)
3315                 irq_map[i] = platform_get_irq(pdev, i);
3316
3317         for (i = 0; i < HISI_SAS_PHY_INT_NR; i++) {
3318                 irq = irq_map[i + 1]; /* Phy up/down is irq1 */
3319                 rc = devm_request_irq(dev, irq, phy_interrupts[i], 0,
3320                                       DRV_NAME " phy", hisi_hba);
3321                 if (rc) {
3322                         dev_err(dev, "irq init: could not request phy interrupt %d, rc=%d\n",
3323                                 irq, rc);
3324                         rc = -ENOENT;
3325                         goto err_out;
3326                 }
3327         }
3328
3329         for (phy_no = 0; phy_no < hisi_hba->n_phy; phy_no++) {
3330                 struct hisi_sas_phy *phy = &hisi_hba->phy[phy_no];
3331
3332                 irq = irq_map[phy_no + 72];
3333                 rc = devm_request_irq(dev, irq, sata_int_v2_hw, 0,
3334                                       DRV_NAME " sata", phy);
3335                 if (rc) {
3336                         dev_err(dev, "irq init: could not request sata interrupt %d, rc=%d\n",
3337                                 irq, rc);
3338                         rc = -ENOENT;
3339                         goto err_out;
3340                 }
3341         }
3342
3343         for (fatal_no = 0; fatal_no < HISI_SAS_FATAL_INT_NR; fatal_no++) {
3344                 irq = irq_map[fatal_no + 81];
3345                 rc = devm_request_irq(dev, irq, fatal_interrupts[fatal_no], 0,
3346                                       DRV_NAME " fatal", hisi_hba);
3347                 if (rc) {
3348                         dev_err(dev, "irq init: could not request fatal interrupt %d, rc=%d\n",
3349                                 irq, rc);
3350                         rc = -ENOENT;
3351                         goto err_out;
3352                 }
3353         }
3354
3355         for (queue_no = 0; queue_no < hisi_hba->queue_count; queue_no++) {
3356                 struct hisi_sas_cq *cq = &hisi_hba->cq[queue_no];
3357
3358                 cq->irq_no = irq_map[queue_no + 96];
3359                 rc = devm_request_threaded_irq(dev, cq->irq_no,
3360                                                cq_interrupt_v2_hw,
3361                                                cq_thread_v2_hw, IRQF_ONESHOT,
3362                                                DRV_NAME " cq", cq);
3363                 if (rc) {
3364                         dev_err(dev, "irq init: could not request cq interrupt %d, rc=%d\n",
3365                                 irq, rc);
3366                         rc = -ENOENT;
3367                         goto err_out;
3368                 }
3369         }
3370
3371         hisi_hba->cq_nvecs = hisi_hba->queue_count;
3372
3373 err_out:
3374         return rc;
3375 }
3376
3377 static int hisi_sas_v2_init(struct hisi_hba *hisi_hba)
3378 {
3379         int rc;
3380
3381         memset(hisi_hba->sata_dev_bitmap, 0, sizeof(hisi_hba->sata_dev_bitmap));
3382
3383         rc = hw_init_v2_hw(hisi_hba);
3384         if (rc)
3385                 return rc;
3386
3387         rc = interrupt_init_v2_hw(hisi_hba);
3388         if (rc)
3389                 return rc;
3390
3391         return 0;
3392 }
3393
3394 static void interrupt_disable_v2_hw(struct hisi_hba *hisi_hba)
3395 {
3396         struct platform_device *pdev = hisi_hba->platform_dev;
3397         int i;
3398
3399         for (i = 0; i < hisi_hba->queue_count; i++)
3400                 hisi_sas_write32(hisi_hba, OQ0_INT_SRC_MSK + 0x4 * i, 0x1);
3401
3402         hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK1, 0xffffffff);
3403         hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK2, 0xffffffff);
3404         hisi_sas_write32(hisi_hba, ENT_INT_SRC_MSK3, 0xffffffff);
3405         hisi_sas_write32(hisi_hba, SAS_ECC_INTR_MSK, 0xffffffff);
3406
3407         for (i = 0; i < hisi_hba->n_phy; i++) {
3408                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT1_MSK, 0xffffffff);
3409                 hisi_sas_phy_write32(hisi_hba, i, CHL_INT2_MSK, 0xffffffff);
3410         }
3411
3412         for (i = 0; i < 128; i++)
3413                 synchronize_irq(platform_get_irq(pdev, i));
3414 }
3415
3416
3417 static u32 get_phys_state_v2_hw(struct hisi_hba *hisi_hba)
3418 {
3419         return hisi_sas_read32(hisi_hba, PHY_STATE);
3420 }
3421
3422 static int soft_reset_v2_hw(struct hisi_hba *hisi_hba)
3423 {
3424         struct device *dev = hisi_hba->dev;
3425         int rc, cnt;
3426
3427         interrupt_disable_v2_hw(hisi_hba);
3428         hisi_sas_write32(hisi_hba, DLVRY_QUEUE_ENABLE, 0x0);
3429
3430         hisi_sas_stop_phys(hisi_hba);
3431
3432         mdelay(10);
3433
3434         hisi_sas_write32(hisi_hba, AXI_MASTER_CFG_BASE + AM_CTRL_GLOBAL, 0x1);
3435
3436         /* wait until bus idle */
3437         cnt = 0;
3438         while (1) {
3439                 u32 status = hisi_sas_read32_relaxed(hisi_hba,
3440                                 AXI_MASTER_CFG_BASE + AM_CURR_TRANS_RETURN);
3441
3442                 if (status == 0x3)
3443                         break;
3444
3445                 udelay(10);
3446                 if (cnt++ > 10) {
3447                         dev_err(dev, "wait axi bus state to idle timeout!\n");
3448                         return -1;
3449                 }
3450         }
3451
3452         hisi_sas_init_mem(hisi_hba);
3453
3454         rc = hw_init_v2_hw(hisi_hba);
3455         if (rc)
3456                 return rc;
3457
3458         phys_reject_stp_links_v2_hw(hisi_hba);
3459
3460         return 0;
3461 }
3462
3463 static int write_gpio_v2_hw(struct hisi_hba *hisi_hba, u8 reg_type,
3464                         u8 reg_index, u8 reg_count, u8 *write_data)
3465 {
3466         struct device *dev = hisi_hba->dev;
3467         int phy_no, count;
3468
3469         if (!hisi_hba->sgpio_regs)
3470                 return -EOPNOTSUPP;
3471
3472         switch (reg_type) {
3473         case SAS_GPIO_REG_TX:
3474                 count = reg_count * 4;
3475                 count = min(count, hisi_hba->n_phy);
3476
3477                 for (phy_no = 0; phy_no < count; phy_no++) {
3478                         /*
3479                          * GPIO_TX[n] register has the highest numbered drive
3480                          * of the four in the first byte and the lowest
3481                          * numbered drive in the fourth byte.
3482                          * See SFF-8485 Rev. 0.7 Table 24.
3483                          */
3484                         void __iomem  *reg_addr = hisi_hba->sgpio_regs +
3485                                         reg_index * 4 + phy_no;
3486                         int data_idx = phy_no + 3 - (phy_no % 4) * 2;
3487
3488                         writeb(write_data[data_idx], reg_addr);
3489                 }
3490
3491                 break;
3492         default:
3493                 dev_err(dev, "write gpio: unsupported or bad reg type %d\n",
3494                         reg_type);
3495                 return -EINVAL;
3496         }
3497
3498         return 0;
3499 }
3500
3501 static void wait_cmds_complete_timeout_v2_hw(struct hisi_hba *hisi_hba,
3502                                              int delay_ms, int timeout_ms)
3503 {
3504         struct device *dev = hisi_hba->dev;
3505         int entries, entries_old = 0, time;
3506
3507         for (time = 0; time < timeout_ms; time += delay_ms) {
3508                 entries = hisi_sas_read32(hisi_hba, CQE_SEND_CNT);
3509                 if (entries == entries_old)
3510                         break;
3511
3512                 entries_old = entries;
3513                 msleep(delay_ms);
3514         }
3515
3516         if (time >= timeout_ms) {
3517                 dev_dbg(dev, "Wait commands complete timeout!\n");
3518                 return;
3519         }
3520
3521         dev_dbg(dev, "wait commands complete %dms\n", time);
3522
3523 }
3524
3525 static struct device_attribute *host_attrs_v2_hw[] = {
3526         &dev_attr_phy_event_threshold,
3527         NULL
3528 };
3529
3530 static struct scsi_host_template sht_v2_hw = {
3531         .name                   = DRV_NAME,
3532         .proc_name              = DRV_NAME,
3533         .module                 = THIS_MODULE,
3534         .queuecommand           = sas_queuecommand,
3535         .target_alloc           = sas_target_alloc,
3536         .slave_configure        = hisi_sas_slave_configure,
3537         .scan_finished          = hisi_sas_scan_finished,
3538         .scan_start             = hisi_sas_scan_start,
3539         .change_queue_depth     = sas_change_queue_depth,
3540         .bios_param             = sas_bios_param,
3541         .this_id                = -1,
3542         .sg_tablesize           = HISI_SAS_SGE_PAGE_CNT,
3543         .max_sectors            = SCSI_DEFAULT_MAX_SECTORS,
3544         .eh_device_reset_handler = sas_eh_device_reset_handler,
3545         .eh_target_reset_handler = sas_eh_target_reset_handler,
3546         .target_destroy         = sas_target_destroy,
3547         .ioctl                  = sas_ioctl,
3548 #ifdef CONFIG_COMPAT
3549         .compat_ioctl           = sas_ioctl,
3550 #endif
3551         .shost_attrs            = host_attrs_v2_hw,
3552         .host_reset             = hisi_sas_host_reset,
3553 };
3554
3555 static const struct hisi_sas_hw hisi_sas_v2_hw = {
3556         .hw_init = hisi_sas_v2_init,
3557         .setup_itct = setup_itct_v2_hw,
3558         .slot_index_alloc = slot_index_alloc_quirk_v2_hw,
3559         .alloc_dev = alloc_dev_quirk_v2_hw,
3560         .sl_notify_ssp = sl_notify_ssp_v2_hw,
3561         .get_wideport_bitmap = get_wideport_bitmap_v2_hw,
3562         .clear_itct = clear_itct_v2_hw,
3563         .free_device = free_device_v2_hw,
3564         .prep_smp = prep_smp_v2_hw,
3565         .prep_ssp = prep_ssp_v2_hw,
3566         .prep_stp = prep_ata_v2_hw,
3567         .prep_abort = prep_abort_v2_hw,
3568         .start_delivery = start_delivery_v2_hw,
3569         .phys_init = phys_init_v2_hw,
3570         .phy_start = start_phy_v2_hw,
3571         .phy_disable = disable_phy_v2_hw,
3572         .phy_hard_reset = phy_hard_reset_v2_hw,
3573         .get_events = phy_get_events_v2_hw,
3574         .phy_set_linkrate = phy_set_linkrate_v2_hw,
3575         .phy_get_max_linkrate = phy_get_max_linkrate_v2_hw,
3576         .complete_hdr_size = sizeof(struct hisi_sas_complete_v2_hdr),
3577         .soft_reset = soft_reset_v2_hw,
3578         .get_phys_state = get_phys_state_v2_hw,
3579         .write_gpio = write_gpio_v2_hw,
3580         .wait_cmds_complete_timeout = wait_cmds_complete_timeout_v2_hw,
3581         .sht = &sht_v2_hw,
3582 };
3583
3584 static int hisi_sas_v2_probe(struct platform_device *pdev)
3585 {
3586         /*
3587          * Check if we should defer the probe before we probe the
3588          * upper layer, as it's hard to defer later on.
3589          */
3590         int ret = platform_get_irq(pdev, 0);
3591
3592         if (ret < 0) {
3593                 if (ret != -EPROBE_DEFER)
3594                         dev_err(&pdev->dev, "cannot obtain irq\n");
3595                 return ret;
3596         }
3597
3598         return hisi_sas_probe(pdev, &hisi_sas_v2_hw);
3599 }
3600
3601 static int hisi_sas_v2_remove(struct platform_device *pdev)
3602 {
3603         return hisi_sas_remove(pdev);
3604 }
3605
3606 static const struct of_device_id sas_v2_of_match[] = {
3607         { .compatible = "hisilicon,hip06-sas-v2",},
3608         { .compatible = "hisilicon,hip07-sas-v2",},
3609         {},
3610 };
3611 MODULE_DEVICE_TABLE(of, sas_v2_of_match);
3612
3613 static const struct acpi_device_id sas_v2_acpi_match[] = {
3614         { "HISI0162", 0 },
3615         { }
3616 };
3617
3618 MODULE_DEVICE_TABLE(acpi, sas_v2_acpi_match);
3619
3620 static struct platform_driver hisi_sas_v2_driver = {
3621         .probe = hisi_sas_v2_probe,
3622         .remove = hisi_sas_v2_remove,
3623         .driver = {
3624                 .name = DRV_NAME,
3625                 .of_match_table = sas_v2_of_match,
3626                 .acpi_match_table = ACPI_PTR(sas_v2_acpi_match),
3627         },
3628 };
3629
3630 module_platform_driver(hisi_sas_v2_driver);
3631
3632 MODULE_LICENSE("GPL");
3633 MODULE_AUTHOR("John Garry <john.garry@huawei.com>");
3634 MODULE_DESCRIPTION("HISILICON SAS controller v2 hw driver");
3635 MODULE_ALIAS("platform:" DRV_NAME);