linux/drivers/scsi/pm8001/pm80xx_hwi.c
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   1/*
   2 * PMC-Sierra SPCv/ve 8088/8089 SAS/SATA based host adapters driver
   3 *
   4 * Copyright (c) 2008-2009 PMC-Sierra, Inc.,
   5 * All rights reserved.
   6 *
   7 * Redistribution and use in source and binary forms, with or without
   8 * modification, are permitted provided that the following conditions
   9 * are met:
  10 * 1. Redistributions of source code must retain the above copyright
  11 * notice, this list of conditions, and the following disclaimer,
  12 * without modification.
  13 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  14 * substantially similar to the "NO WARRANTY" disclaimer below
  15 * ("Disclaimer") and any redistribution must be conditioned upon
  16 * including a substantially similar Disclaimer requirement for further
  17 * binary redistribution.
  18 * 3. Neither the names of the above-listed copyright holders nor the names
  19 * of any contributors may be used to endorse or promote products derived
  20 * from this software without specific prior written permission.
  21 *
  22 * Alternatively, this software may be distributed under the terms of the
  23 * GNU General Public License ("GPL") version 2 as published by the Free
  24 * Software Foundation.
  25 *
  26 * NO WARRANTY
  27 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  28 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  29 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  30 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  31 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  35 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  36 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  37 * POSSIBILITY OF SUCH DAMAGES.
  38 *
  39 */
  40 #include <linux/slab.h>
  41 #include "pm8001_sas.h"
  42 #include "pm80xx_hwi.h"
  43 #include "pm8001_chips.h"
  44 #include "pm8001_ctl.h"
  45
  46#define SMP_DIRECT 1
  47#define SMP_INDIRECT 2
  48
  49
  50int pm80xx_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shift_value)
  51{
  52        u32 reg_val;
  53        unsigned long start;
  54        pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER, shift_value);
  55        /* confirm the setting is written */
  56        start = jiffies + HZ; /* 1 sec */
  57        do {
  58                reg_val = pm8001_cr32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER);
  59        } while ((reg_val != shift_value) && time_before(jiffies, start));
  60        if (reg_val != shift_value) {
  61                PM8001_FAIL_DBG(pm8001_ha,
  62                        pm8001_printk("TIMEOUT:MEMBASE_II_SHIFT_REGISTER"
  63                        " = 0x%x\n", reg_val));
  64                return -1;
  65        }
  66        return 0;
  67}
  68
  69void pm80xx_pci_mem_copy(struct pm8001_hba_info  *pm8001_ha, u32 soffset,
  70                                const void *destination,
  71                                u32 dw_count, u32 bus_base_number)
  72{
  73        u32 index, value, offset;
  74        u32 *destination1;
  75        destination1 = (u32 *)destination;
  76
  77        for (index = 0; index < dw_count; index += 4, destination1++) {
  78                offset = (soffset + index / 4);
  79                if (offset < (64 * 1024)) {
  80                        value = pm8001_cr32(pm8001_ha, bus_base_number, offset);
  81                        *destination1 =  cpu_to_le32(value);
  82                }
  83        }
  84        return;
  85}
  86
  87ssize_t pm80xx_get_fatal_dump(struct device *cdev,
  88        struct device_attribute *attr, char *buf)
  89{
  90        struct Scsi_Host *shost = class_to_shost(cdev);
  91        struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
  92        struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
  93        void __iomem *fatal_table_address = pm8001_ha->fatal_tbl_addr;
  94        u32 accum_len , reg_val, index, *temp;
  95        unsigned long start;
  96        u8 *direct_data;
  97        char *fatal_error_data = buf;
  98
  99        pm8001_ha->forensic_info.data_buf.direct_data = buf;
 100        if (pm8001_ha->chip_id == chip_8001) {
 101                pm8001_ha->forensic_info.data_buf.direct_data +=
 102                        sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
 103                        "Not supported for SPC controller");
 104                return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
 105                        (char *)buf;
 106        }
 107        if (pm8001_ha->forensic_info.data_buf.direct_offset == 0) {
 108                PM8001_IO_DBG(pm8001_ha,
 109                pm8001_printk("forensic_info TYPE_NON_FATAL..............\n"));
 110                direct_data = (u8 *)fatal_error_data;
 111                pm8001_ha->forensic_info.data_type = TYPE_NON_FATAL;
 112                pm8001_ha->forensic_info.data_buf.direct_len = SYSFS_OFFSET;
 113                pm8001_ha->forensic_info.data_buf.read_len = 0;
 114
 115                pm8001_ha->forensic_info.data_buf.direct_data = direct_data;
 116
 117                /* start to get data */
 118                /* Program the MEMBASE II Shifting Register with 0x00.*/
 119                pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
 120                                pm8001_ha->fatal_forensic_shift_offset);
 121                pm8001_ha->forensic_last_offset = 0;
 122                pm8001_ha->forensic_fatal_step = 0;
 123                pm8001_ha->fatal_bar_loc = 0;
 124        }
 125
 126        /* Read until accum_len is retrived */
 127        accum_len = pm8001_mr32(fatal_table_address,
 128                                MPI_FATAL_EDUMP_TABLE_ACCUM_LEN);
 129        PM8001_IO_DBG(pm8001_ha, pm8001_printk("accum_len 0x%x\n",
 130                                                accum_len));
 131        if (accum_len == 0xFFFFFFFF) {
 132                PM8001_IO_DBG(pm8001_ha,
 133                        pm8001_printk("Possible PCI issue 0x%x not expected\n",
 134                                accum_len));
 135                return -EIO;
 136        }
 137        if (accum_len == 0 || accum_len >= 0x100000) {
 138                pm8001_ha->forensic_info.data_buf.direct_data +=
 139                        sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
 140                                "%08x ", 0xFFFFFFFF);
 141                return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
 142                        (char *)buf;
 143        }
 144        temp = (u32 *)pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr;
 145        if (pm8001_ha->forensic_fatal_step == 0) {
 146moreData:
 147                if (pm8001_ha->forensic_info.data_buf.direct_data) {
 148                        /* Data is in bar, copy to host memory */
 149                        pm80xx_pci_mem_copy(pm8001_ha, pm8001_ha->fatal_bar_loc,
 150                         pm8001_ha->memoryMap.region[FORENSIC_MEM].virt_ptr,
 151                                pm8001_ha->forensic_info.data_buf.direct_len ,
 152                                        1);
 153                }
 154                pm8001_ha->fatal_bar_loc +=
 155                        pm8001_ha->forensic_info.data_buf.direct_len;
 156                pm8001_ha->forensic_info.data_buf.direct_offset +=
 157                        pm8001_ha->forensic_info.data_buf.direct_len;
 158                pm8001_ha->forensic_last_offset +=
 159                        pm8001_ha->forensic_info.data_buf.direct_len;
 160                pm8001_ha->forensic_info.data_buf.read_len =
 161                        pm8001_ha->forensic_info.data_buf.direct_len;
 162
 163                if (pm8001_ha->forensic_last_offset  >= accum_len) {
 164                        pm8001_ha->forensic_info.data_buf.direct_data +=
 165                        sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
 166                                "%08x ", 3);
 167                        for (index = 0; index < (SYSFS_OFFSET / 4); index++) {
 168                                pm8001_ha->forensic_info.data_buf.direct_data +=
 169                                        sprintf(pm8001_ha->
 170                                         forensic_info.data_buf.direct_data,
 171                                                "%08x ", *(temp + index));
 172                        }
 173
 174                        pm8001_ha->fatal_bar_loc = 0;
 175                        pm8001_ha->forensic_fatal_step = 1;
 176                        pm8001_ha->fatal_forensic_shift_offset = 0;
 177                        pm8001_ha->forensic_last_offset = 0;
 178                        return (char *)pm8001_ha->
 179                                forensic_info.data_buf.direct_data -
 180                                (char *)buf;
 181                }
 182                if (pm8001_ha->fatal_bar_loc < (64 * 1024)) {
 183                        pm8001_ha->forensic_info.data_buf.direct_data +=
 184                                sprintf(pm8001_ha->
 185                                        forensic_info.data_buf.direct_data,
 186                                        "%08x ", 2);
 187                        for (index = 0; index < (SYSFS_OFFSET / 4); index++) {
 188                                pm8001_ha->forensic_info.data_buf.direct_data +=
 189                                        sprintf(pm8001_ha->
 190                                        forensic_info.data_buf.direct_data,
 191                                        "%08x ", *(temp + index));
 192                        }
 193                        return (char *)pm8001_ha->
 194                                forensic_info.data_buf.direct_data -
 195                                (char *)buf;
 196                }
 197
 198                /* Increment the MEMBASE II Shifting Register value by 0x100.*/
 199                pm8001_ha->forensic_info.data_buf.direct_data +=
 200                        sprintf(pm8001_ha->forensic_info.data_buf.direct_data,
 201                                "%08x ", 2);
 202                for (index = 0; index < 256; index++) {
 203                        pm8001_ha->forensic_info.data_buf.direct_data +=
 204                                sprintf(pm8001_ha->
 205                                        forensic_info.data_buf.direct_data,
 206                                                "%08x ", *(temp + index));
 207                }
 208                pm8001_ha->fatal_forensic_shift_offset += 0x100;
 209                pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
 210                        pm8001_ha->fatal_forensic_shift_offset);
 211                pm8001_ha->fatal_bar_loc = 0;
 212                return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
 213                        (char *)buf;
 214        }
 215        if (pm8001_ha->forensic_fatal_step == 1) {
 216                pm8001_ha->fatal_forensic_shift_offset = 0;
 217                /* Read 64K of the debug data. */
 218                pm8001_cw32(pm8001_ha, 0, MEMBASE_II_SHIFT_REGISTER,
 219                        pm8001_ha->fatal_forensic_shift_offset);
 220                pm8001_mw32(fatal_table_address,
 221                        MPI_FATAL_EDUMP_TABLE_HANDSHAKE,
 222                                MPI_FATAL_EDUMP_HANDSHAKE_RDY);
 223
 224                /* Poll FDDHSHK  until clear  */
 225                start = jiffies + (2 * HZ); /* 2 sec */
 226
 227                do {
 228                        reg_val = pm8001_mr32(fatal_table_address,
 229                                        MPI_FATAL_EDUMP_TABLE_HANDSHAKE);
 230                } while ((reg_val) && time_before(jiffies, start));
 231
 232                if (reg_val != 0) {
 233                        PM8001_FAIL_DBG(pm8001_ha,
 234                        pm8001_printk("TIMEOUT:MEMBASE_II_SHIFT_REGISTER"
 235                        " = 0x%x\n", reg_val));
 236                        return -EIO;
 237                }
 238
 239                /* Read the next 64K of the debug data. */
 240                pm8001_ha->forensic_fatal_step = 0;
 241                if (pm8001_mr32(fatal_table_address,
 242                        MPI_FATAL_EDUMP_TABLE_STATUS) !=
 243                                MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE) {
 244                        pm8001_mw32(fatal_table_address,
 245                                MPI_FATAL_EDUMP_TABLE_HANDSHAKE, 0);
 246                        goto moreData;
 247                } else {
 248                        pm8001_ha->forensic_info.data_buf.direct_data +=
 249                                sprintf(pm8001_ha->
 250                                        forensic_info.data_buf.direct_data,
 251                                                "%08x ", 4);
 252                        pm8001_ha->forensic_info.data_buf.read_len = 0xFFFFFFFF;
 253                        pm8001_ha->forensic_info.data_buf.direct_len =  0;
 254                        pm8001_ha->forensic_info.data_buf.direct_offset = 0;
 255                        pm8001_ha->forensic_info.data_buf.read_len = 0;
 256                }
 257        }
 258
 259        return (char *)pm8001_ha->forensic_info.data_buf.direct_data -
 260                (char *)buf;
 261}
 262
 263/**
 264 * read_main_config_table - read the configure table and save it.
 265 * @pm8001_ha: our hba card information
 266 */
 267static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
 268{
 269        void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
 270
 271        pm8001_ha->main_cfg_tbl.pm80xx_tbl.signature    =
 272                pm8001_mr32(address, MAIN_SIGNATURE_OFFSET);
 273        pm8001_ha->main_cfg_tbl.pm80xx_tbl.interface_rev =
 274                pm8001_mr32(address, MAIN_INTERFACE_REVISION);
 275        pm8001_ha->main_cfg_tbl.pm80xx_tbl.firmware_rev =
 276                pm8001_mr32(address, MAIN_FW_REVISION);
 277        pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_out_io   =
 278                pm8001_mr32(address, MAIN_MAX_OUTSTANDING_IO_OFFSET);
 279        pm8001_ha->main_cfg_tbl.pm80xx_tbl.max_sgl      =
 280                pm8001_mr32(address, MAIN_MAX_SGL_OFFSET);
 281        pm8001_ha->main_cfg_tbl.pm80xx_tbl.ctrl_cap_flag =
 282                pm8001_mr32(address, MAIN_CNTRL_CAP_OFFSET);
 283        pm8001_ha->main_cfg_tbl.pm80xx_tbl.gst_offset   =
 284                pm8001_mr32(address, MAIN_GST_OFFSET);
 285        pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_queue_offset =
 286                pm8001_mr32(address, MAIN_IBQ_OFFSET);
 287        pm8001_ha->main_cfg_tbl.pm80xx_tbl.outbound_queue_offset =
 288                pm8001_mr32(address, MAIN_OBQ_OFFSET);
 289
 290        /* read Error Dump Offset and Length */
 291        pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset0 =
 292                pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
 293        pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length0 =
 294                pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
 295        pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_offset1 =
 296                pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
 297        pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_dump_length1 =
 298                pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
 299
 300        /* read GPIO LED settings from the configuration table */
 301        pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping =
 302                pm8001_mr32(address, MAIN_GPIO_LED_FLAGS_OFFSET);
 303
 304        /* read analog Setting offset from the configuration table */
 305        pm8001_ha->main_cfg_tbl.pm80xx_tbl.analog_setup_table_offset =
 306                pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
 307
 308        pm8001_ha->main_cfg_tbl.pm80xx_tbl.int_vec_table_offset =
 309                pm8001_mr32(address, MAIN_INT_VECTOR_TABLE_OFFSET);
 310        pm8001_ha->main_cfg_tbl.pm80xx_tbl.phy_attr_table_offset =
 311                pm8001_mr32(address, MAIN_SAS_PHY_ATTR_TABLE_OFFSET);
 312        /* read port recover and reset timeout */
 313        pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer =
 314                pm8001_mr32(address, MAIN_PORT_RECOVERY_TIMER);
 315        /* read ILA and inactive firmware version */
 316        pm8001_ha->main_cfg_tbl.pm80xx_tbl.ila_version =
 317                pm8001_mr32(address, MAIN_MPI_ILA_RELEASE_TYPE);
 318        pm8001_ha->main_cfg_tbl.pm80xx_tbl.inc_fw_version =
 319                pm8001_mr32(address, MAIN_MPI_INACTIVE_FW_VERSION);
 320}
 321
 322/**
 323 * read_general_status_table - read the general status table and save it.
 324 * @pm8001_ha: our hba card information
 325 */
 326static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
 327{
 328        void __iomem *address = pm8001_ha->general_stat_tbl_addr;
 329        pm8001_ha->gs_tbl.pm80xx_tbl.gst_len_mpistate   =
 330                        pm8001_mr32(address, GST_GSTLEN_MPIS_OFFSET);
 331        pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state0   =
 332                        pm8001_mr32(address, GST_IQ_FREEZE_STATE0_OFFSET);
 333        pm8001_ha->gs_tbl.pm80xx_tbl.iq_freeze_state1   =
 334                        pm8001_mr32(address, GST_IQ_FREEZE_STATE1_OFFSET);
 335        pm8001_ha->gs_tbl.pm80xx_tbl.msgu_tcnt          =
 336                        pm8001_mr32(address, GST_MSGUTCNT_OFFSET);
 337        pm8001_ha->gs_tbl.pm80xx_tbl.iop_tcnt           =
 338                        pm8001_mr32(address, GST_IOPTCNT_OFFSET);
 339        pm8001_ha->gs_tbl.pm80xx_tbl.gpio_input_val     =
 340                        pm8001_mr32(address, GST_GPIO_INPUT_VAL);
 341        pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[0] =
 342                        pm8001_mr32(address, GST_RERRINFO_OFFSET0);
 343        pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[1] =
 344                        pm8001_mr32(address, GST_RERRINFO_OFFSET1);
 345        pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[2] =
 346                        pm8001_mr32(address, GST_RERRINFO_OFFSET2);
 347        pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[3] =
 348                        pm8001_mr32(address, GST_RERRINFO_OFFSET3);
 349        pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[4] =
 350                        pm8001_mr32(address, GST_RERRINFO_OFFSET4);
 351        pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[5] =
 352                        pm8001_mr32(address, GST_RERRINFO_OFFSET5);
 353        pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[6] =
 354                        pm8001_mr32(address, GST_RERRINFO_OFFSET6);
 355        pm8001_ha->gs_tbl.pm80xx_tbl.recover_err_info[7] =
 356                         pm8001_mr32(address, GST_RERRINFO_OFFSET7);
 357}
 358/**
 359 * read_phy_attr_table - read the phy attribute table and save it.
 360 * @pm8001_ha: our hba card information
 361 */
 362static void read_phy_attr_table(struct pm8001_hba_info *pm8001_ha)
 363{
 364        void __iomem *address = pm8001_ha->pspa_q_tbl_addr;
 365        pm8001_ha->phy_attr_table.phystart1_16[0] =
 366                        pm8001_mr32(address, PSPA_PHYSTATE0_OFFSET);
 367        pm8001_ha->phy_attr_table.phystart1_16[1] =
 368                        pm8001_mr32(address, PSPA_PHYSTATE1_OFFSET);
 369        pm8001_ha->phy_attr_table.phystart1_16[2] =
 370                        pm8001_mr32(address, PSPA_PHYSTATE2_OFFSET);
 371        pm8001_ha->phy_attr_table.phystart1_16[3] =
 372                        pm8001_mr32(address, PSPA_PHYSTATE3_OFFSET);
 373        pm8001_ha->phy_attr_table.phystart1_16[4] =
 374                        pm8001_mr32(address, PSPA_PHYSTATE4_OFFSET);
 375        pm8001_ha->phy_attr_table.phystart1_16[5] =
 376                        pm8001_mr32(address, PSPA_PHYSTATE5_OFFSET);
 377        pm8001_ha->phy_attr_table.phystart1_16[6] =
 378                        pm8001_mr32(address, PSPA_PHYSTATE6_OFFSET);
 379        pm8001_ha->phy_attr_table.phystart1_16[7] =
 380                        pm8001_mr32(address, PSPA_PHYSTATE7_OFFSET);
 381        pm8001_ha->phy_attr_table.phystart1_16[8] =
 382                        pm8001_mr32(address, PSPA_PHYSTATE8_OFFSET);
 383        pm8001_ha->phy_attr_table.phystart1_16[9] =
 384                        pm8001_mr32(address, PSPA_PHYSTATE9_OFFSET);
 385        pm8001_ha->phy_attr_table.phystart1_16[10] =
 386                        pm8001_mr32(address, PSPA_PHYSTATE10_OFFSET);
 387        pm8001_ha->phy_attr_table.phystart1_16[11] =
 388                        pm8001_mr32(address, PSPA_PHYSTATE11_OFFSET);
 389        pm8001_ha->phy_attr_table.phystart1_16[12] =
 390                        pm8001_mr32(address, PSPA_PHYSTATE12_OFFSET);
 391        pm8001_ha->phy_attr_table.phystart1_16[13] =
 392                        pm8001_mr32(address, PSPA_PHYSTATE13_OFFSET);
 393        pm8001_ha->phy_attr_table.phystart1_16[14] =
 394                        pm8001_mr32(address, PSPA_PHYSTATE14_OFFSET);
 395        pm8001_ha->phy_attr_table.phystart1_16[15] =
 396                        pm8001_mr32(address, PSPA_PHYSTATE15_OFFSET);
 397
 398        pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[0] =
 399                        pm8001_mr32(address, PSPA_OB_HW_EVENT_PID0_OFFSET);
 400        pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[1] =
 401                        pm8001_mr32(address, PSPA_OB_HW_EVENT_PID1_OFFSET);
 402        pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[2] =
 403                        pm8001_mr32(address, PSPA_OB_HW_EVENT_PID2_OFFSET);
 404        pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[3] =
 405                        pm8001_mr32(address, PSPA_OB_HW_EVENT_PID3_OFFSET);
 406        pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[4] =
 407                        pm8001_mr32(address, PSPA_OB_HW_EVENT_PID4_OFFSET);
 408        pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[5] =
 409                        pm8001_mr32(address, PSPA_OB_HW_EVENT_PID5_OFFSET);
 410        pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[6] =
 411                        pm8001_mr32(address, PSPA_OB_HW_EVENT_PID6_OFFSET);
 412        pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[7] =
 413                        pm8001_mr32(address, PSPA_OB_HW_EVENT_PID7_OFFSET);
 414        pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[8] =
 415                        pm8001_mr32(address, PSPA_OB_HW_EVENT_PID8_OFFSET);
 416        pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[9] =
 417                        pm8001_mr32(address, PSPA_OB_HW_EVENT_PID9_OFFSET);
 418        pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[10] =
 419                        pm8001_mr32(address, PSPA_OB_HW_EVENT_PID10_OFFSET);
 420        pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[11] =
 421                        pm8001_mr32(address, PSPA_OB_HW_EVENT_PID11_OFFSET);
 422        pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[12] =
 423                        pm8001_mr32(address, PSPA_OB_HW_EVENT_PID12_OFFSET);
 424        pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[13] =
 425                        pm8001_mr32(address, PSPA_OB_HW_EVENT_PID13_OFFSET);
 426        pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[14] =
 427                        pm8001_mr32(address, PSPA_OB_HW_EVENT_PID14_OFFSET);
 428        pm8001_ha->phy_attr_table.outbound_hw_event_pid1_16[15] =
 429                        pm8001_mr32(address, PSPA_OB_HW_EVENT_PID15_OFFSET);
 430
 431}
 432
 433/**
 434 * read_inbnd_queue_table - read the inbound queue table and save it.
 435 * @pm8001_ha: our hba card information
 436 */
 437static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
 438{
 439        int i;
 440        void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
 441        for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
 442                u32 offset = i * 0x20;
 443                pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
 444                        get_pci_bar_index(pm8001_mr32(address,
 445                                (offset + IB_PIPCI_BAR)));
 446                pm8001_ha->inbnd_q_tbl[i].pi_offset =
 447                        pm8001_mr32(address, (offset + IB_PIPCI_BAR_OFFSET));
 448        }
 449}
 450
 451/**
 452 * read_outbnd_queue_table - read the outbound queue table and save it.
 453 * @pm8001_ha: our hba card information
 454 */
 455static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
 456{
 457        int i;
 458        void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
 459        for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
 460                u32 offset = i * 0x24;
 461                pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
 462                        get_pci_bar_index(pm8001_mr32(address,
 463                                (offset + OB_CIPCI_BAR)));
 464                pm8001_ha->outbnd_q_tbl[i].ci_offset =
 465                        pm8001_mr32(address, (offset + OB_CIPCI_BAR_OFFSET));
 466        }
 467}
 468
 469/**
 470 * init_default_table_values - init the default table.
 471 * @pm8001_ha: our hba card information
 472 */
 473static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
 474{
 475        int i;
 476        u32 offsetib, offsetob;
 477        void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
 478        void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
 479
 480        pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr         =
 481                pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
 482        pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr         =
 483                pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
 484        pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size               =
 485                                                        PM8001_EVENT_LOG_SIZE;
 486        pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity           = 0x01;
 487        pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr     =
 488                pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
 489        pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr     =
 490                pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
 491        pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size           =
 492                                                        PM8001_EVENT_LOG_SIZE;
 493        pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity       = 0x01;
 494        pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt          = 0x01;
 495
 496        /* Disable end to end CRC checking */
 497        pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump = (0x1 << 16);
 498
 499        for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++) {
 500                pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt  =
 501                        PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
 502                pm8001_ha->inbnd_q_tbl[i].upper_base_addr       =
 503                        pm8001_ha->memoryMap.region[IB + i].phys_addr_hi;
 504                pm8001_ha->inbnd_q_tbl[i].lower_base_addr       =
 505                pm8001_ha->memoryMap.region[IB + i].phys_addr_lo;
 506                pm8001_ha->inbnd_q_tbl[i].base_virt             =
 507                        (u8 *)pm8001_ha->memoryMap.region[IB + i].virt_ptr;
 508                pm8001_ha->inbnd_q_tbl[i].total_length          =
 509                        pm8001_ha->memoryMap.region[IB + i].total_len;
 510                pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr    =
 511                        pm8001_ha->memoryMap.region[CI + i].phys_addr_hi;
 512                pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr    =
 513                        pm8001_ha->memoryMap.region[CI + i].phys_addr_lo;
 514                pm8001_ha->inbnd_q_tbl[i].ci_virt               =
 515                        pm8001_ha->memoryMap.region[CI + i].virt_ptr;
 516                offsetib = i * 0x20;
 517                pm8001_ha->inbnd_q_tbl[i].pi_pci_bar            =
 518                        get_pci_bar_index(pm8001_mr32(addressib,
 519                                (offsetib + 0x14)));
 520                pm8001_ha->inbnd_q_tbl[i].pi_offset             =
 521                        pm8001_mr32(addressib, (offsetib + 0x18));
 522                pm8001_ha->inbnd_q_tbl[i].producer_idx          = 0;
 523                pm8001_ha->inbnd_q_tbl[i].consumer_index        = 0;
 524        }
 525        for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++) {
 526                pm8001_ha->outbnd_q_tbl[i].element_size_cnt     =
 527                        PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
 528                pm8001_ha->outbnd_q_tbl[i].upper_base_addr      =
 529                        pm8001_ha->memoryMap.region[OB + i].phys_addr_hi;
 530                pm8001_ha->outbnd_q_tbl[i].lower_base_addr      =
 531                        pm8001_ha->memoryMap.region[OB + i].phys_addr_lo;
 532                pm8001_ha->outbnd_q_tbl[i].base_virt            =
 533                        (u8 *)pm8001_ha->memoryMap.region[OB + i].virt_ptr;
 534                pm8001_ha->outbnd_q_tbl[i].total_length         =
 535                        pm8001_ha->memoryMap.region[OB + i].total_len;
 536                pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr   =
 537                        pm8001_ha->memoryMap.region[PI + i].phys_addr_hi;
 538                pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr   =
 539                        pm8001_ha->memoryMap.region[PI + i].phys_addr_lo;
 540                /* interrupt vector based on oq */
 541                pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay = (i << 24);
 542                pm8001_ha->outbnd_q_tbl[i].pi_virt              =
 543                        pm8001_ha->memoryMap.region[PI + i].virt_ptr;
 544                offsetob = i * 0x24;
 545                pm8001_ha->outbnd_q_tbl[i].ci_pci_bar           =
 546                        get_pci_bar_index(pm8001_mr32(addressob,
 547                        offsetob + 0x14));
 548                pm8001_ha->outbnd_q_tbl[i].ci_offset            =
 549                        pm8001_mr32(addressob, (offsetob + 0x18));
 550                pm8001_ha->outbnd_q_tbl[i].consumer_idx         = 0;
 551                pm8001_ha->outbnd_q_tbl[i].producer_index       = 0;
 552        }
 553}
 554
 555/**
 556 * update_main_config_table - update the main default table to the HBA.
 557 * @pm8001_ha: our hba card information
 558 */
 559static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
 560{
 561        void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
 562        pm8001_mw32(address, MAIN_IQNPPD_HPPD_OFFSET,
 563                pm8001_ha->main_cfg_tbl.pm80xx_tbl.inbound_q_nppd_hppd);
 564        pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_HI,
 565                pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_event_log_addr);
 566        pm8001_mw32(address, MAIN_EVENT_LOG_ADDR_LO,
 567                pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_event_log_addr);
 568        pm8001_mw32(address, MAIN_EVENT_LOG_BUFF_SIZE,
 569                pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_size);
 570        pm8001_mw32(address, MAIN_EVENT_LOG_OPTION,
 571                pm8001_ha->main_cfg_tbl.pm80xx_tbl.event_log_severity);
 572        pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_HI,
 573                pm8001_ha->main_cfg_tbl.pm80xx_tbl.upper_pcs_event_log_addr);
 574        pm8001_mw32(address, MAIN_PCS_EVENT_LOG_ADDR_LO,
 575                pm8001_ha->main_cfg_tbl.pm80xx_tbl.lower_pcs_event_log_addr);
 576        pm8001_mw32(address, MAIN_PCS_EVENT_LOG_BUFF_SIZE,
 577                pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_size);
 578        pm8001_mw32(address, MAIN_PCS_EVENT_LOG_OPTION,
 579                pm8001_ha->main_cfg_tbl.pm80xx_tbl.pcs_event_log_severity);
 580        /* Update Fatal error interrupt vector */
 581        pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt |=
 582                                        ((pm8001_ha->number_of_intr - 1) << 8);
 583        pm8001_mw32(address, MAIN_FATAL_ERROR_INTERRUPT,
 584                pm8001_ha->main_cfg_tbl.pm80xx_tbl.fatal_err_interrupt);
 585        pm8001_mw32(address, MAIN_EVENT_CRC_CHECK,
 586                pm8001_ha->main_cfg_tbl.pm80xx_tbl.crc_core_dump);
 587
 588        /* SPCv specific */
 589        pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping &= 0xCFFFFFFF;
 590        /* Set GPIOLED to 0x2 for LED indicator */
 591        pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping |= 0x20000000;
 592        pm8001_mw32(address, MAIN_GPIO_LED_FLAGS_OFFSET,
 593                pm8001_ha->main_cfg_tbl.pm80xx_tbl.gpio_led_mapping);
 594
 595        pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
 596                pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
 597        pm8001_mw32(address, MAIN_INT_REASSERTION_DELAY,
 598                pm8001_ha->main_cfg_tbl.pm80xx_tbl.interrupt_reassertion_delay);
 599
 600        pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &= 0xffff0000;
 601        pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
 602                                                        PORT_RECOVERY_TIMEOUT;
 603        if (pm8001_ha->chip_id == chip_8006) {
 604                pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer &=
 605                                        0x0000ffff;
 606                pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer |=
 607                                        CHIP_8006_PORT_RECOVERY_TIMEOUT;
 608        }
 609        pm8001_mw32(address, MAIN_PORT_RECOVERY_TIMER,
 610                        pm8001_ha->main_cfg_tbl.pm80xx_tbl.port_recovery_timer);
 611}
 612
 613/**
 614 * update_inbnd_queue_table - update the inbound queue table to the HBA.
 615 * @pm8001_ha: our hba card information
 616 */
 617static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
 618                                         int number)
 619{
 620        void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
 621        u16 offset = number * 0x20;
 622        pm8001_mw32(address, offset + IB_PROPERITY_OFFSET,
 623                pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
 624        pm8001_mw32(address, offset + IB_BASE_ADDR_HI_OFFSET,
 625                pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
 626        pm8001_mw32(address, offset + IB_BASE_ADDR_LO_OFFSET,
 627                pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
 628        pm8001_mw32(address, offset + IB_CI_BASE_ADDR_HI_OFFSET,
 629                pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
 630        pm8001_mw32(address, offset + IB_CI_BASE_ADDR_LO_OFFSET,
 631                pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
 632}
 633
 634/**
 635 * update_outbnd_queue_table - update the outbound queue table to the HBA.
 636 * @pm8001_ha: our hba card information
 637 */
 638static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
 639                                                 int number)
 640{
 641        void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
 642        u16 offset = number * 0x24;
 643        pm8001_mw32(address, offset + OB_PROPERITY_OFFSET,
 644                pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
 645        pm8001_mw32(address, offset + OB_BASE_ADDR_HI_OFFSET,
 646                pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
 647        pm8001_mw32(address, offset + OB_BASE_ADDR_LO_OFFSET,
 648                pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
 649        pm8001_mw32(address, offset + OB_PI_BASE_ADDR_HI_OFFSET,
 650                pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
 651        pm8001_mw32(address, offset + OB_PI_BASE_ADDR_LO_OFFSET,
 652                pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
 653        pm8001_mw32(address, offset + OB_INTERRUPT_COALES_OFFSET,
 654                pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
 655}
 656
 657/**
 658 * mpi_init_check - check firmware initialization status.
 659 * @pm8001_ha: our hba card information
 660 */
 661static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
 662{
 663        u32 max_wait_count;
 664        u32 value;
 665        u32 gst_len_mpistate;
 666
 667        /* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
 668        table is updated */
 669        pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_UPDATE);
 670        /* wait until Inbound DoorBell Clear Register toggled */
 671        if (IS_SPCV_12G(pm8001_ha->pdev)) {
 672                max_wait_count = 4 * 1000 * 1000;/* 4 sec */
 673        } else {
 674                max_wait_count = 2 * 1000 * 1000;/* 2 sec */
 675        }
 676        do {
 677                udelay(1);
 678                value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
 679                value &= SPCv_MSGU_CFG_TABLE_UPDATE;
 680        } while ((value != 0) && (--max_wait_count));
 681
 682        if (!max_wait_count)
 683                return -1;
 684        /* check the MPI-State for initialization upto 100ms*/
 685        max_wait_count = 100 * 1000;/* 100 msec */
 686        do {
 687                udelay(1);
 688                gst_len_mpistate =
 689                        pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
 690                                        GST_GSTLEN_MPIS_OFFSET);
 691        } while ((GST_MPI_STATE_INIT !=
 692                (gst_len_mpistate & GST_MPI_STATE_MASK)) && (--max_wait_count));
 693        if (!max_wait_count)
 694                return -1;
 695
 696        /* check MPI Initialization error */
 697        gst_len_mpistate = gst_len_mpistate >> 16;
 698        if (0x0000 != gst_len_mpistate)
 699                return -1;
 700
 701        return 0;
 702}
 703
 704/**
 705 * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
 706 * @pm8001_ha: our hba card information
 707 */
 708static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
 709{
 710        u32 value;
 711        u32 max_wait_count;
 712        u32 max_wait_time;
 713        int ret = 0;
 714
 715        /* reset / PCIe ready */
 716        max_wait_time = max_wait_count = 100 * 1000;    /* 100 milli sec */
 717        do {
 718                udelay(1);
 719                value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
 720        } while ((value == 0xFFFFFFFF) && (--max_wait_count));
 721
 722        /* check ila status */
 723        max_wait_time = max_wait_count = 1000 * 1000;   /* 1000 milli sec */
 724        do {
 725                udelay(1);
 726                value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
 727        } while (((value & SCRATCH_PAD_ILA_READY) !=
 728                        SCRATCH_PAD_ILA_READY) && (--max_wait_count));
 729        if (!max_wait_count)
 730                ret = -1;
 731        else {
 732                PM8001_MSG_DBG(pm8001_ha,
 733                        pm8001_printk(" ila ready status in %d millisec\n",
 734                                (max_wait_time - max_wait_count)));
 735        }
 736
 737        /* check RAAE status */
 738        max_wait_time = max_wait_count = 1800 * 1000;   /* 1800 milli sec */
 739        do {
 740                udelay(1);
 741                value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
 742        } while (((value & SCRATCH_PAD_RAAE_READY) !=
 743                                SCRATCH_PAD_RAAE_READY) && (--max_wait_count));
 744        if (!max_wait_count)
 745                ret = -1;
 746        else {
 747                PM8001_MSG_DBG(pm8001_ha,
 748                        pm8001_printk(" raae ready status in %d millisec\n",
 749                                        (max_wait_time - max_wait_count)));
 750        }
 751
 752        /* check iop0 status */
 753        max_wait_time = max_wait_count = 600 * 1000;    /* 600 milli sec */
 754        do {
 755                udelay(1);
 756                value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
 757        } while (((value & SCRATCH_PAD_IOP0_READY) != SCRATCH_PAD_IOP0_READY) &&
 758                        (--max_wait_count));
 759        if (!max_wait_count)
 760                ret = -1;
 761        else {
 762                PM8001_MSG_DBG(pm8001_ha,
 763                        pm8001_printk(" iop0 ready status in %d millisec\n",
 764                                (max_wait_time - max_wait_count)));
 765        }
 766
 767        /* check iop1 status only for 16 port controllers */
 768        if ((pm8001_ha->chip_id != chip_8008) &&
 769                        (pm8001_ha->chip_id != chip_8009)) {
 770                /* 200 milli sec */
 771                max_wait_time = max_wait_count = 200 * 1000;
 772                do {
 773                        udelay(1);
 774                        value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
 775                } while (((value & SCRATCH_PAD_IOP1_READY) !=
 776                                SCRATCH_PAD_IOP1_READY) && (--max_wait_count));
 777                if (!max_wait_count)
 778                        ret = -1;
 779                else {
 780                        PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
 781                                "iop1 ready status in %d millisec\n",
 782                                (max_wait_time - max_wait_count)));
 783                }
 784        }
 785
 786        return ret;
 787}
 788
 789static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
 790{
 791        void __iomem *base_addr;
 792        u32     value;
 793        u32     offset;
 794        u32     pcibar;
 795        u32     pcilogic;
 796
 797        value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
 798        offset = value & 0x03FFFFFF; /* scratch pad 0 TBL address */
 799
 800        PM8001_INIT_DBG(pm8001_ha,
 801                pm8001_printk("Scratchpad 0 Offset: 0x%x value 0x%x\n",
 802                                offset, value));
 803        pcilogic = (value & 0xFC000000) >> 26;
 804        pcibar = get_pci_bar_index(pcilogic);
 805        PM8001_INIT_DBG(pm8001_ha,
 806                pm8001_printk("Scratchpad 0 PCI BAR: %d\n", pcibar));
 807        pm8001_ha->main_cfg_tbl_addr = base_addr =
 808                pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
 809        pm8001_ha->general_stat_tbl_addr =
 810                base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x18) &
 811                                        0xFFFFFF);
 812        pm8001_ha->inbnd_q_tbl_addr =
 813                base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C) &
 814                                        0xFFFFFF);
 815        pm8001_ha->outbnd_q_tbl_addr =
 816                base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x20) &
 817                                        0xFFFFFF);
 818        pm8001_ha->ivt_tbl_addr =
 819                base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C) &
 820                                        0xFFFFFF);
 821        pm8001_ha->pspa_q_tbl_addr =
 822                base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0x90) &
 823                                        0xFFFFFF);
 824        pm8001_ha->fatal_tbl_addr =
 825                base_addr + (pm8001_cr32(pm8001_ha, pcibar, offset + 0xA0) &
 826                                        0xFFFFFF);
 827
 828        PM8001_INIT_DBG(pm8001_ha,
 829                        pm8001_printk("GST OFFSET 0x%x\n",
 830                        pm8001_cr32(pm8001_ha, pcibar, offset + 0x18)));
 831        PM8001_INIT_DBG(pm8001_ha,
 832                        pm8001_printk("INBND OFFSET 0x%x\n",
 833                        pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C)));
 834        PM8001_INIT_DBG(pm8001_ha,
 835                        pm8001_printk("OBND OFFSET 0x%x\n",
 836                        pm8001_cr32(pm8001_ha, pcibar, offset + 0x20)));
 837        PM8001_INIT_DBG(pm8001_ha,
 838                        pm8001_printk("IVT OFFSET 0x%x\n",
 839                        pm8001_cr32(pm8001_ha, pcibar, offset + 0x8C)));
 840        PM8001_INIT_DBG(pm8001_ha,
 841                        pm8001_printk("PSPA OFFSET 0x%x\n",
 842                        pm8001_cr32(pm8001_ha, pcibar, offset + 0x90)));
 843        PM8001_INIT_DBG(pm8001_ha,
 844                        pm8001_printk("addr - main cfg %p general status %p\n",
 845                        pm8001_ha->main_cfg_tbl_addr,
 846                        pm8001_ha->general_stat_tbl_addr));
 847        PM8001_INIT_DBG(pm8001_ha,
 848                        pm8001_printk("addr - inbnd %p obnd %p\n",
 849                        pm8001_ha->inbnd_q_tbl_addr,
 850                        pm8001_ha->outbnd_q_tbl_addr));
 851        PM8001_INIT_DBG(pm8001_ha,
 852                        pm8001_printk("addr - pspa %p ivt %p\n",
 853                        pm8001_ha->pspa_q_tbl_addr,
 854                        pm8001_ha->ivt_tbl_addr));
 855}
 856
 857/**
 858 * pm80xx_set_thermal_config - support the thermal configuration
 859 * @pm8001_ha: our hba card information.
 860 */
 861int
 862pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha)
 863{
 864        struct set_ctrl_cfg_req payload;
 865        struct inbound_queue_table *circularQ;
 866        int rc;
 867        u32 tag;
 868        u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
 869        u32 page_code;
 870
 871        memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
 872        rc = pm8001_tag_alloc(pm8001_ha, &tag);
 873        if (rc)
 874                return -1;
 875
 876        circularQ = &pm8001_ha->inbnd_q_tbl[0];
 877        payload.tag = cpu_to_le32(tag);
 878
 879        if (IS_SPCV_12G(pm8001_ha->pdev))
 880                page_code = THERMAL_PAGE_CODE_7H;
 881        else
 882                page_code = THERMAL_PAGE_CODE_8H;
 883
 884        payload.cfg_pg[0] = (THERMAL_LOG_ENABLE << 9) |
 885                                (THERMAL_ENABLE << 8) | page_code;
 886        payload.cfg_pg[1] = (LTEMPHIL << 24) | (RTEMPHIL << 8);
 887
 888        rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
 889        if (rc)
 890                pm8001_tag_free(pm8001_ha, tag);
 891        return rc;
 892
 893}
 894
 895/**
 896* pm80xx_set_sas_protocol_timer_config - support the SAS Protocol
 897* Timer configuration page
 898* @pm8001_ha: our hba card information.
 899*/
 900static int
 901pm80xx_set_sas_protocol_timer_config(struct pm8001_hba_info *pm8001_ha)
 902{
 903        struct set_ctrl_cfg_req payload;
 904        struct inbound_queue_table *circularQ;
 905        SASProtocolTimerConfig_t SASConfigPage;
 906        int rc;
 907        u32 tag;
 908        u32 opc = OPC_INB_SET_CONTROLLER_CONFIG;
 909
 910        memset(&payload, 0, sizeof(struct set_ctrl_cfg_req));
 911        memset(&SASConfigPage, 0, sizeof(SASProtocolTimerConfig_t));
 912
 913        rc = pm8001_tag_alloc(pm8001_ha, &tag);
 914
 915        if (rc)
 916                return -1;
 917
 918        circularQ = &pm8001_ha->inbnd_q_tbl[0];
 919        payload.tag = cpu_to_le32(tag);
 920
 921        SASConfigPage.pageCode        =  SAS_PROTOCOL_TIMER_CONFIG_PAGE;
 922        SASConfigPage.MST_MSI         =  3 << 15;
 923        SASConfigPage.STP_SSP_MCT_TMO =  (STP_MCT_TMO << 16) | SSP_MCT_TMO;
 924        SASConfigPage.STP_FRM_TMO     = (SAS_MAX_OPEN_TIME << 24) |
 925                                (SMP_MAX_CONN_TIMER << 16) | STP_FRM_TIMER;
 926        SASConfigPage.STP_IDLE_TMO    =  STP_IDLE_TIME;
 927
 928        if (SASConfigPage.STP_IDLE_TMO > 0x3FFFFFF)
 929                SASConfigPage.STP_IDLE_TMO = 0x3FFFFFF;
 930
 931
 932        SASConfigPage.OPNRJT_RTRY_INTVL =         (SAS_MFD << 16) |
 933                                                SAS_OPNRJT_RTRY_INTVL;
 934        SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO =  (SAS_DOPNRJT_RTRY_TMO << 16)
 935                                                | SAS_COPNRJT_RTRY_TMO;
 936        SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR =  (SAS_DOPNRJT_RTRY_THR << 16)
 937                                                | SAS_COPNRJT_RTRY_THR;
 938        SASConfigPage.MAX_AIP =  SAS_MAX_AIP;
 939
 940        PM8001_INIT_DBG(pm8001_ha,
 941                        pm8001_printk("SASConfigPage.pageCode "
 942                        "0x%08x\n", SASConfigPage.pageCode));
 943        PM8001_INIT_DBG(pm8001_ha,
 944                        pm8001_printk("SASConfigPage.MST_MSI "
 945                        " 0x%08x\n", SASConfigPage.MST_MSI));
 946        PM8001_INIT_DBG(pm8001_ha,
 947                        pm8001_printk("SASConfigPage.STP_SSP_MCT_TMO "
 948                        " 0x%08x\n", SASConfigPage.STP_SSP_MCT_TMO));
 949        PM8001_INIT_DBG(pm8001_ha,
 950                        pm8001_printk("SASConfigPage.STP_FRM_TMO "
 951                        " 0x%08x\n", SASConfigPage.STP_FRM_TMO));
 952        PM8001_INIT_DBG(pm8001_ha,
 953                        pm8001_printk("SASConfigPage.STP_IDLE_TMO "
 954                        " 0x%08x\n", SASConfigPage.STP_IDLE_TMO));
 955        PM8001_INIT_DBG(pm8001_ha,
 956                        pm8001_printk("SASConfigPage.OPNRJT_RTRY_INTVL "
 957                        " 0x%08x\n", SASConfigPage.OPNRJT_RTRY_INTVL));
 958        PM8001_INIT_DBG(pm8001_ha,
 959                        pm8001_printk("SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO "
 960                        " 0x%08x\n", SASConfigPage.Data_Cmd_OPNRJT_RTRY_TMO));
 961        PM8001_INIT_DBG(pm8001_ha,
 962                        pm8001_printk("SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR "
 963                        " 0x%08x\n", SASConfigPage.Data_Cmd_OPNRJT_RTRY_THR));
 964        PM8001_INIT_DBG(pm8001_ha, pm8001_printk("SASConfigPage.MAX_AIP "
 965                        " 0x%08x\n", SASConfigPage.MAX_AIP));
 966
 967        memcpy(&payload.cfg_pg, &SASConfigPage,
 968                         sizeof(SASProtocolTimerConfig_t));
 969
 970        rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
 971        if (rc)
 972                pm8001_tag_free(pm8001_ha, tag);
 973
 974        return rc;
 975}
 976
 977/**
 978 * pm80xx_get_encrypt_info - Check for encryption
 979 * @pm8001_ha: our hba card information.
 980 */
 981static int
 982pm80xx_get_encrypt_info(struct pm8001_hba_info *pm8001_ha)
 983{
 984        u32 scratch3_value;
 985        int ret = -1;
 986
 987        /* Read encryption status from SCRATCH PAD 3 */
 988        scratch3_value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
 989
 990        if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
 991                                        SCRATCH_PAD3_ENC_READY) {
 992                if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
 993                        pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
 994                if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
 995                                                SCRATCH_PAD3_SMF_ENABLED)
 996                        pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
 997                if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
 998                                                SCRATCH_PAD3_SMA_ENABLED)
 999                        pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1000                if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1001                                                SCRATCH_PAD3_SMB_ENABLED)
1002                        pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1003                pm8001_ha->encrypt_info.status = 0;
1004                PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1005                        "Encryption: SCRATCH_PAD3_ENC_READY 0x%08X."
1006                        "Cipher mode 0x%x Sec mode 0x%x status 0x%x\n",
1007                        scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
1008                        pm8001_ha->encrypt_info.sec_mode,
1009                        pm8001_ha->encrypt_info.status));
1010                ret = 0;
1011        } else if ((scratch3_value & SCRATCH_PAD3_ENC_READY) ==
1012                                        SCRATCH_PAD3_ENC_DISABLED) {
1013                PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1014                        "Encryption: SCRATCH_PAD3_ENC_DISABLED 0x%08X\n",
1015                        scratch3_value));
1016                pm8001_ha->encrypt_info.status = 0xFFFFFFFF;
1017                pm8001_ha->encrypt_info.cipher_mode = 0;
1018                pm8001_ha->encrypt_info.sec_mode = 0;
1019                ret = 0;
1020        } else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1021                                SCRATCH_PAD3_ENC_DIS_ERR) {
1022                pm8001_ha->encrypt_info.status =
1023                        (scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1024                if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1025                        pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1026                if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1027                                        SCRATCH_PAD3_SMF_ENABLED)
1028                        pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1029                if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1030                                        SCRATCH_PAD3_SMA_ENABLED)
1031                        pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1032                if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1033                                        SCRATCH_PAD3_SMB_ENABLED)
1034                        pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1035                PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1036                        "Encryption: SCRATCH_PAD3_DIS_ERR 0x%08X."
1037                        "Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1038                        scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
1039                        pm8001_ha->encrypt_info.sec_mode,
1040                        pm8001_ha->encrypt_info.status));
1041        } else if ((scratch3_value & SCRATCH_PAD3_ENC_MASK) ==
1042                                 SCRATCH_PAD3_ENC_ENA_ERR) {
1043
1044                pm8001_ha->encrypt_info.status =
1045                        (scratch3_value & SCRATCH_PAD3_ERR_CODE) >> 16;
1046                if (scratch3_value & SCRATCH_PAD3_XTS_ENABLED)
1047                        pm8001_ha->encrypt_info.cipher_mode = CIPHER_MODE_XTS;
1048                if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1049                                        SCRATCH_PAD3_SMF_ENABLED)
1050                        pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMF;
1051                if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1052                                        SCRATCH_PAD3_SMA_ENABLED)
1053                        pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMA;
1054                if ((scratch3_value & SCRATCH_PAD3_SM_MASK) ==
1055                                        SCRATCH_PAD3_SMB_ENABLED)
1056                        pm8001_ha->encrypt_info.sec_mode = SEC_MODE_SMB;
1057
1058                PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1059                        "Encryption: SCRATCH_PAD3_ENA_ERR 0x%08X."
1060                        "Cipher mode 0x%x sec mode 0x%x status 0x%x\n",
1061                        scratch3_value, pm8001_ha->encrypt_info.cipher_mode,
1062                        pm8001_ha->encrypt_info.sec_mode,
1063                        pm8001_ha->encrypt_info.status));
1064        }
1065        return ret;
1066}
1067
1068/**
1069 * pm80xx_encrypt_update - update flash with encryption informtion
1070 * @pm8001_ha: our hba card information.
1071 */
1072static int pm80xx_encrypt_update(struct pm8001_hba_info *pm8001_ha)
1073{
1074        struct kek_mgmt_req payload;
1075        struct inbound_queue_table *circularQ;
1076        int rc;
1077        u32 tag;
1078        u32 opc = OPC_INB_KEK_MANAGEMENT;
1079
1080        memset(&payload, 0, sizeof(struct kek_mgmt_req));
1081        rc = pm8001_tag_alloc(pm8001_ha, &tag);
1082        if (rc)
1083                return -1;
1084
1085        circularQ = &pm8001_ha->inbnd_q_tbl[0];
1086        payload.tag = cpu_to_le32(tag);
1087        /* Currently only one key is used. New KEK index is 1.
1088         * Current KEK index is 1. Store KEK to NVRAM is 1.
1089         */
1090        payload.new_curidx_ksop = ((1 << 24) | (1 << 16) | (1 << 8) |
1091                                        KEK_MGMT_SUBOP_KEYCARDUPDATE);
1092
1093        rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
1094        if (rc)
1095                pm8001_tag_free(pm8001_ha, tag);
1096
1097        return rc;
1098}
1099
1100/**
1101 * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
1102 * @pm8001_ha: our hba card information
1103 */
1104static int pm80xx_chip_init(struct pm8001_hba_info *pm8001_ha)
1105{
1106        int ret;
1107        u8 i = 0;
1108
1109        /* check the firmware status */
1110        if (-1 == check_fw_ready(pm8001_ha)) {
1111                PM8001_FAIL_DBG(pm8001_ha,
1112                        pm8001_printk("Firmware is not ready!\n"));
1113                return -EBUSY;
1114        }
1115
1116        /* Initialize the controller fatal error flag */
1117        pm8001_ha->controller_fatal_error = false;
1118
1119        /* Initialize pci space address eg: mpi offset */
1120        init_pci_device_addresses(pm8001_ha);
1121        init_default_table_values(pm8001_ha);
1122        read_main_config_table(pm8001_ha);
1123        read_general_status_table(pm8001_ha);
1124        read_inbnd_queue_table(pm8001_ha);
1125        read_outbnd_queue_table(pm8001_ha);
1126        read_phy_attr_table(pm8001_ha);
1127
1128        /* update main config table ,inbound table and outbound table */
1129        update_main_config_table(pm8001_ha);
1130        for (i = 0; i < PM8001_MAX_SPCV_INB_NUM; i++)
1131                update_inbnd_queue_table(pm8001_ha, i);
1132        for (i = 0; i < PM8001_MAX_SPCV_OUTB_NUM; i++)
1133                update_outbnd_queue_table(pm8001_ha, i);
1134
1135        /* notify firmware update finished and check initialization status */
1136        if (0 == mpi_init_check(pm8001_ha)) {
1137                PM8001_INIT_DBG(pm8001_ha,
1138                        pm8001_printk("MPI initialize successful!\n"));
1139        } else
1140                return -EBUSY;
1141
1142        /* send SAS protocol timer configuration page to FW */
1143        ret = pm80xx_set_sas_protocol_timer_config(pm8001_ha);
1144
1145        /* Check for encryption */
1146        if (pm8001_ha->chip->encrypt) {
1147                PM8001_INIT_DBG(pm8001_ha,
1148                        pm8001_printk("Checking for encryption\n"));
1149                ret = pm80xx_get_encrypt_info(pm8001_ha);
1150                if (ret == -1) {
1151                        PM8001_INIT_DBG(pm8001_ha,
1152                                pm8001_printk("Encryption error !!\n"));
1153                        if (pm8001_ha->encrypt_info.status == 0x81) {
1154                                PM8001_INIT_DBG(pm8001_ha, pm8001_printk(
1155                                        "Encryption enabled with error."
1156                                        "Saving encryption key to flash\n"));
1157                                pm80xx_encrypt_update(pm8001_ha);
1158                        }
1159                }
1160        }
1161        return 0;
1162}
1163
1164static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
1165{
1166        u32 max_wait_count;
1167        u32 value;
1168        u32 gst_len_mpistate;
1169        init_pci_device_addresses(pm8001_ha);
1170        /* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
1171        table is stop */
1172        pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_RESET);
1173
1174        /* wait until Inbound DoorBell Clear Register toggled */
1175        if (IS_SPCV_12G(pm8001_ha->pdev)) {
1176                max_wait_count = 4 * 1000 * 1000;/* 4 sec */
1177        } else {
1178                max_wait_count = 2 * 1000 * 1000;/* 2 sec */
1179        }
1180        do {
1181                udelay(1);
1182                value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
1183                value &= SPCv_MSGU_CFG_TABLE_RESET;
1184        } while ((value != 0) && (--max_wait_count));
1185
1186        if (!max_wait_count) {
1187                PM8001_FAIL_DBG(pm8001_ha,
1188                        pm8001_printk("TIMEOUT:IBDB value/=%x\n", value));
1189                return -1;
1190        }
1191
1192        /* check the MPI-State for termination in progress */
1193        /* wait until Inbound DoorBell Clear Register toggled */
1194        max_wait_count = 2 * 1000 * 1000;       /* 2 sec for spcv/ve */
1195        do {
1196                udelay(1);
1197                gst_len_mpistate =
1198                        pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
1199                        GST_GSTLEN_MPIS_OFFSET);
1200                if (GST_MPI_STATE_UNINIT ==
1201                        (gst_len_mpistate & GST_MPI_STATE_MASK))
1202                        break;
1203        } while (--max_wait_count);
1204        if (!max_wait_count) {
1205                PM8001_FAIL_DBG(pm8001_ha,
1206                        pm8001_printk(" TIME OUT MPI State = 0x%x\n",
1207                                gst_len_mpistate & GST_MPI_STATE_MASK));
1208                return -1;
1209        }
1210
1211        return 0;
1212}
1213
1214/**
1215 * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
1216 * the FW register status to the originated status.
1217 * @pm8001_ha: our hba card information
1218 */
1219
1220static int
1221pm80xx_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
1222{
1223        u32 regval;
1224        u32 bootloader_state;
1225        u32 ibutton0, ibutton1;
1226
1227        /* Process MPI table uninitialization only if FW is ready */
1228        if (!pm8001_ha->controller_fatal_error) {
1229                /* Check if MPI is in ready state to reset */
1230                if (mpi_uninit_check(pm8001_ha) != 0) {
1231                        regval = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1232                        PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
1233                                "MPI state is not ready scratch1 :0x%x\n",
1234                                regval));
1235                        return -1;
1236                }
1237        }
1238        /* checked for reset register normal state; 0x0 */
1239        regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1240        PM8001_INIT_DBG(pm8001_ha,
1241                pm8001_printk("reset register before write : 0x%x\n", regval));
1242
1243        pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, SPCv_NORMAL_RESET_VALUE);
1244        mdelay(500);
1245
1246        regval = pm8001_cr32(pm8001_ha, 0, SPC_REG_SOFT_RESET);
1247        PM8001_INIT_DBG(pm8001_ha,
1248        pm8001_printk("reset register after write 0x%x\n", regval));
1249
1250        if ((regval & SPCv_SOFT_RESET_READ_MASK) ==
1251                        SPCv_SOFT_RESET_NORMAL_RESET_OCCURED) {
1252                PM8001_MSG_DBG(pm8001_ha,
1253                        pm8001_printk(" soft reset successful [regval: 0x%x]\n",
1254                                        regval));
1255        } else {
1256                PM8001_MSG_DBG(pm8001_ha,
1257                        pm8001_printk(" soft reset failed [regval: 0x%x]\n",
1258                                        regval));
1259
1260                /* check bootloader is successfully executed or in HDA mode */
1261                bootloader_state =
1262                        pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1263                        SCRATCH_PAD1_BOOTSTATE_MASK;
1264
1265                if (bootloader_state == SCRATCH_PAD1_BOOTSTATE_HDA_SEEPROM) {
1266                        PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1267                                "Bootloader state - HDA mode SEEPROM\n"));
1268                } else if (bootloader_state ==
1269                                SCRATCH_PAD1_BOOTSTATE_HDA_BOOTSTRAP) {
1270                        PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1271                                "Bootloader state - HDA mode Bootstrap Pin\n"));
1272                } else if (bootloader_state ==
1273                                SCRATCH_PAD1_BOOTSTATE_HDA_SOFTRESET) {
1274                        PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1275                                "Bootloader state - HDA mode soft reset\n"));
1276                } else if (bootloader_state ==
1277                                        SCRATCH_PAD1_BOOTSTATE_CRIT_ERROR) {
1278                        PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
1279                                "Bootloader state-HDA mode critical error\n"));
1280                }
1281                return -EBUSY;
1282        }
1283
1284        /* check the firmware status after reset */
1285        if (-1 == check_fw_ready(pm8001_ha)) {
1286                PM8001_FAIL_DBG(pm8001_ha,
1287                        pm8001_printk("Firmware is not ready!\n"));
1288                /* check iButton feature support for motherboard controller */
1289                if (pm8001_ha->pdev->subsystem_vendor !=
1290                        PCI_VENDOR_ID_ADAPTEC2 &&
1291                        pm8001_ha->pdev->subsystem_vendor !=
1292                        PCI_VENDOR_ID_ATTO &&
1293                        pm8001_ha->pdev->subsystem_vendor != 0) {
1294                        ibutton0 = pm8001_cr32(pm8001_ha, 0,
1295                                        MSGU_HOST_SCRATCH_PAD_6);
1296                        ibutton1 = pm8001_cr32(pm8001_ha, 0,
1297                                        MSGU_HOST_SCRATCH_PAD_7);
1298                        if (!ibutton0 && !ibutton1) {
1299                                PM8001_FAIL_DBG(pm8001_ha,
1300                                        pm8001_printk("iButton Feature is"
1301                                        " not Available!!!\n"));
1302                                return -EBUSY;
1303                        }
1304                        if (ibutton0 == 0xdeadbeef && ibutton1 == 0xdeadbeef) {
1305                                PM8001_FAIL_DBG(pm8001_ha,
1306                                        pm8001_printk("CRC Check for iButton"
1307                                        " Feature Failed!!!\n"));
1308                                return -EBUSY;
1309                        }
1310                }
1311        }
1312        PM8001_INIT_DBG(pm8001_ha,
1313                pm8001_printk("SPCv soft reset Complete\n"));
1314        return 0;
1315}
1316
1317static void pm80xx_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1318{
1319        u32 i;
1320
1321        PM8001_INIT_DBG(pm8001_ha,
1322                pm8001_printk("chip reset start\n"));
1323
1324        /* do SPCv chip reset. */
1325        pm8001_cw32(pm8001_ha, 0, SPC_REG_SOFT_RESET, 0x11);
1326        PM8001_INIT_DBG(pm8001_ha,
1327                pm8001_printk("SPC soft reset Complete\n"));
1328
1329        /* Check this ..whether delay is required or no */
1330        /* delay 10 usec */
1331        udelay(10);
1332
1333        /* wait for 20 msec until the firmware gets reloaded */
1334        i = 20;
1335        do {
1336                mdelay(1);
1337        } while ((--i) != 0);
1338
1339        PM8001_INIT_DBG(pm8001_ha,
1340                pm8001_printk("chip reset finished\n"));
1341}
1342
1343/**
1344 * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1345 * @pm8001_ha: our hba card information
1346 */
1347static void
1348pm80xx_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1349{
1350        pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1351        pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1352}
1353
1354/**
1355 * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1356 * @pm8001_ha: our hba card information
1357 */
1358static void
1359pm80xx_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1360{
1361        pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, ODMR_MASK_ALL);
1362}
1363
1364/**
1365 * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1366 * @pm8001_ha: our hba card information
1367 */
1368static void
1369pm80xx_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1370{
1371#ifdef PM8001_USE_MSIX
1372        u32 mask;
1373        mask = (u32)(1 << vec);
1374
1375        pm8001_cw32(pm8001_ha, 0, MSGU_ODMR_CLR, (u32)(mask & 0xFFFFFFFF));
1376        return;
1377#endif
1378        pm80xx_chip_intx_interrupt_enable(pm8001_ha);
1379
1380}
1381
1382/**
1383 * pm8001_chip_interrupt_disable- disable PM8001 chip interrupt
1384 * @pm8001_ha: our hba card information
1385 */
1386static void
1387pm80xx_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1388{
1389#ifdef PM8001_USE_MSIX
1390        u32 mask;
1391        if (vec == 0xFF)
1392                mask = 0xFFFFFFFF;
1393        else
1394                mask = (u32)(1 << vec);
1395        pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, (u32)(mask & 0xFFFFFFFF));
1396        return;
1397#endif
1398        pm80xx_chip_intx_interrupt_disable(pm8001_ha);
1399}
1400
1401static void pm80xx_send_abort_all(struct pm8001_hba_info *pm8001_ha,
1402                struct pm8001_device *pm8001_ha_dev)
1403{
1404        int res;
1405        u32 ccb_tag;
1406        struct pm8001_ccb_info *ccb;
1407        struct sas_task *task = NULL;
1408        struct task_abort_req task_abort;
1409        struct inbound_queue_table *circularQ;
1410        u32 opc = OPC_INB_SATA_ABORT;
1411        int ret;
1412
1413        if (!pm8001_ha_dev) {
1414                PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("dev is null\n"));
1415                return;
1416        }
1417
1418        task = sas_alloc_slow_task(GFP_ATOMIC);
1419
1420        if (!task) {
1421                PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("cannot "
1422                                                "allocate task\n"));
1423                return;
1424        }
1425
1426        task->task_done = pm8001_task_done;
1427
1428        res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1429        if (res) {
1430                sas_free_task(task);
1431                return;
1432        }
1433
1434        ccb = &pm8001_ha->ccb_info[ccb_tag];
1435        ccb->device = pm8001_ha_dev;
1436        ccb->ccb_tag = ccb_tag;
1437        ccb->task = task;
1438
1439        circularQ = &pm8001_ha->inbnd_q_tbl[0];
1440
1441        memset(&task_abort, 0, sizeof(task_abort));
1442        task_abort.abort_all = cpu_to_le32(1);
1443        task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1444        task_abort.tag = cpu_to_le32(ccb_tag);
1445
1446        ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, 0);
1447        if (ret) {
1448                sas_free_task(task);
1449                pm8001_tag_free(pm8001_ha, ccb_tag);
1450        }
1451}
1452
1453static void pm80xx_send_read_log(struct pm8001_hba_info *pm8001_ha,
1454                struct pm8001_device *pm8001_ha_dev)
1455{
1456        struct sata_start_req sata_cmd;
1457        int res;
1458        u32 ccb_tag;
1459        struct pm8001_ccb_info *ccb;
1460        struct sas_task *task = NULL;
1461        struct host_to_dev_fis fis;
1462        struct domain_device *dev;
1463        struct inbound_queue_table *circularQ;
1464        u32 opc = OPC_INB_SATA_HOST_OPSTART;
1465
1466        task = sas_alloc_slow_task(GFP_ATOMIC);
1467
1468        if (!task) {
1469                PM8001_FAIL_DBG(pm8001_ha,
1470                        pm8001_printk("cannot allocate task !!!\n"));
1471                return;
1472        }
1473        task->task_done = pm8001_task_done;
1474
1475        res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1476        if (res) {
1477                sas_free_task(task);
1478                PM8001_FAIL_DBG(pm8001_ha,
1479                        pm8001_printk("cannot allocate tag !!!\n"));
1480                return;
1481        }
1482
1483        /* allocate domain device by ourselves as libsas
1484         * is not going to provide any
1485        */
1486        dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
1487        if (!dev) {
1488                sas_free_task(task);
1489                pm8001_tag_free(pm8001_ha, ccb_tag);
1490                PM8001_FAIL_DBG(pm8001_ha,
1491                        pm8001_printk("Domain device cannot be allocated\n"));
1492                return;
1493        }
1494
1495        task->dev = dev;
1496        task->dev->lldd_dev = pm8001_ha_dev;
1497
1498        ccb = &pm8001_ha->ccb_info[ccb_tag];
1499        ccb->device = pm8001_ha_dev;
1500        ccb->ccb_tag = ccb_tag;
1501        ccb->task = task;
1502        ccb->n_elem = 0;
1503        pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
1504        pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
1505
1506        memset(&sata_cmd, 0, sizeof(sata_cmd));
1507        circularQ = &pm8001_ha->inbnd_q_tbl[0];
1508
1509        /* construct read log FIS */
1510        memset(&fis, 0, sizeof(struct host_to_dev_fis));
1511        fis.fis_type = 0x27;
1512        fis.flags = 0x80;
1513        fis.command = ATA_CMD_READ_LOG_EXT;
1514        fis.lbal = 0x10;
1515        fis.sector_count = 0x1;
1516
1517        sata_cmd.tag = cpu_to_le32(ccb_tag);
1518        sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1519        sata_cmd.ncqtag_atap_dir_m_dad |= ((0x1 << 7) | (0x5 << 9));
1520        memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
1521
1522        res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0);
1523        if (res) {
1524                sas_free_task(task);
1525                pm8001_tag_free(pm8001_ha, ccb_tag);
1526                kfree(dev);
1527        }
1528}
1529
1530/**
1531 * mpi_ssp_completion- process the event that FW response to the SSP request.
1532 * @pm8001_ha: our hba card information
1533 * @piomb: the message contents of this outbound message.
1534 *
1535 * When FW has completed a ssp request for example a IO request, after it has
1536 * filled the SG data with the data, it will trigger this event represent
1537 * that he has finished the job,please check the coresponding buffer.
1538 * So we will tell the caller who maybe waiting the result to tell upper layer
1539 * that the task has been finished.
1540 */
1541static void
1542mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
1543{
1544        struct sas_task *t;
1545        struct pm8001_ccb_info *ccb;
1546        unsigned long flags;
1547        u32 status;
1548        u32 param;
1549        u32 tag;
1550        struct ssp_completion_resp *psspPayload;
1551        struct task_status_struct *ts;
1552        struct ssp_response_iu *iu;
1553        struct pm8001_device *pm8001_dev;
1554        psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1555        status = le32_to_cpu(psspPayload->status);
1556        tag = le32_to_cpu(psspPayload->tag);
1557        ccb = &pm8001_ha->ccb_info[tag];
1558        if ((status == IO_ABORTED) && ccb->open_retry) {
1559                /* Being completed by another */
1560                ccb->open_retry = 0;
1561                return;
1562        }
1563        pm8001_dev = ccb->device;
1564        param = le32_to_cpu(psspPayload->param);
1565        t = ccb->task;
1566
1567        if (status && status != IO_UNDERFLOW)
1568                PM8001_FAIL_DBG(pm8001_ha,
1569                        pm8001_printk("sas IO status 0x%x\n", status));
1570        if (unlikely(!t || !t->lldd_task || !t->dev))
1571                return;
1572        ts = &t->task_status;
1573        /* Print sas address of IO failed device */
1574        if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1575                (status != IO_UNDERFLOW))
1576                PM8001_FAIL_DBG(pm8001_ha,
1577                        pm8001_printk("SAS Address of IO Failure Drive"
1578                        ":%016llx", SAS_ADDR(t->dev->sas_addr)));
1579
1580        switch (status) {
1581        case IO_SUCCESS:
1582                PM8001_IO_DBG(pm8001_ha,
1583                        pm8001_printk("IO_SUCCESS ,param = 0x%x\n",
1584                                param));
1585                if (param == 0) {
1586                        ts->resp = SAS_TASK_COMPLETE;
1587                        ts->stat = SAM_STAT_GOOD;
1588                } else {
1589                        ts->resp = SAS_TASK_COMPLETE;
1590                        ts->stat = SAS_PROTO_RESPONSE;
1591                        ts->residual = param;
1592                        iu = &psspPayload->ssp_resp_iu;
1593                        sas_ssp_task_response(pm8001_ha->dev, t, iu);
1594                }
1595                if (pm8001_dev)
1596                        pm8001_dev->running_req--;
1597                break;
1598        case IO_ABORTED:
1599                PM8001_IO_DBG(pm8001_ha,
1600                        pm8001_printk("IO_ABORTED IOMB Tag\n"));
1601                ts->resp = SAS_TASK_COMPLETE;
1602                ts->stat = SAS_ABORTED_TASK;
1603                break;
1604        case IO_UNDERFLOW:
1605                /* SSP Completion with error */
1606                PM8001_IO_DBG(pm8001_ha,
1607                        pm8001_printk("IO_UNDERFLOW ,param = 0x%x\n",
1608                                param));
1609                ts->resp = SAS_TASK_COMPLETE;
1610                ts->stat = SAS_DATA_UNDERRUN;
1611                ts->residual = param;
1612                if (pm8001_dev)
1613                        pm8001_dev->running_req--;
1614                break;
1615        case IO_NO_DEVICE:
1616                PM8001_IO_DBG(pm8001_ha,
1617                        pm8001_printk("IO_NO_DEVICE\n"));
1618                ts->resp = SAS_TASK_UNDELIVERED;
1619                ts->stat = SAS_PHY_DOWN;
1620                break;
1621        case IO_XFER_ERROR_BREAK:
1622                PM8001_IO_DBG(pm8001_ha,
1623                        pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1624                ts->resp = SAS_TASK_COMPLETE;
1625                ts->stat = SAS_OPEN_REJECT;
1626                /* Force the midlayer to retry */
1627                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1628                break;
1629        case IO_XFER_ERROR_PHY_NOT_READY:
1630                PM8001_IO_DBG(pm8001_ha,
1631                        pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1632                ts->resp = SAS_TASK_COMPLETE;
1633                ts->stat = SAS_OPEN_REJECT;
1634                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1635                break;
1636        case IO_XFER_ERROR_INVALID_SSP_RSP_FRAME:
1637                PM8001_IO_DBG(pm8001_ha,
1638                        pm8001_printk("IO_XFER_ERROR_INVALID_SSP_RSP_FRAME\n"));
1639                ts->resp = SAS_TASK_COMPLETE;
1640                ts->stat = SAS_OPEN_REJECT;
1641                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1642                break;
1643        case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1644                PM8001_IO_DBG(pm8001_ha,
1645                pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
1646                ts->resp = SAS_TASK_COMPLETE;
1647                ts->stat = SAS_OPEN_REJECT;
1648                ts->open_rej_reason = SAS_OREJ_EPROTO;
1649                break;
1650        case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1651                PM8001_IO_DBG(pm8001_ha,
1652                        pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1653                ts->resp = SAS_TASK_COMPLETE;
1654                ts->stat = SAS_OPEN_REJECT;
1655                ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1656                break;
1657        case IO_OPEN_CNX_ERROR_BREAK:
1658                PM8001_IO_DBG(pm8001_ha,
1659                        pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1660                ts->resp = SAS_TASK_COMPLETE;
1661                ts->stat = SAS_OPEN_REJECT;
1662                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1663                break;
1664        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1665        case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
1666        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
1667        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
1668        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
1669        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
1670                PM8001_IO_DBG(pm8001_ha,
1671                        pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1672                ts->resp = SAS_TASK_COMPLETE;
1673                ts->stat = SAS_OPEN_REJECT;
1674                ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1675                if (!t->uldd_task)
1676                        pm8001_handle_event(pm8001_ha,
1677                                pm8001_dev,
1678                                IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1679                break;
1680        case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1681                PM8001_IO_DBG(pm8001_ha,
1682                        pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1683                ts->resp = SAS_TASK_COMPLETE;
1684                ts->stat = SAS_OPEN_REJECT;
1685                ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1686                break;
1687        case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1688                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1689                        "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
1690                ts->resp = SAS_TASK_COMPLETE;
1691                ts->stat = SAS_OPEN_REJECT;
1692                ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1693                break;
1694        case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1695                PM8001_IO_DBG(pm8001_ha,
1696                        pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1697                ts->resp = SAS_TASK_UNDELIVERED;
1698                ts->stat = SAS_OPEN_REJECT;
1699                ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1700                break;
1701        case IO_XFER_ERROR_NAK_RECEIVED:
1702                PM8001_IO_DBG(pm8001_ha,
1703                        pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1704                ts->resp = SAS_TASK_COMPLETE;
1705                ts->stat = SAS_OPEN_REJECT;
1706                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1707                break;
1708        case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1709                PM8001_IO_DBG(pm8001_ha,
1710                        pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
1711                ts->resp = SAS_TASK_COMPLETE;
1712                ts->stat = SAS_NAK_R_ERR;
1713                break;
1714        case IO_XFER_ERROR_DMA:
1715                PM8001_IO_DBG(pm8001_ha,
1716                pm8001_printk("IO_XFER_ERROR_DMA\n"));
1717                ts->resp = SAS_TASK_COMPLETE;
1718                ts->stat = SAS_OPEN_REJECT;
1719                break;
1720        case IO_XFER_OPEN_RETRY_TIMEOUT:
1721                PM8001_IO_DBG(pm8001_ha,
1722                        pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1723                ts->resp = SAS_TASK_COMPLETE;
1724                ts->stat = SAS_OPEN_REJECT;
1725                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1726                break;
1727        case IO_XFER_ERROR_OFFSET_MISMATCH:
1728                PM8001_IO_DBG(pm8001_ha,
1729                        pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
1730                ts->resp = SAS_TASK_COMPLETE;
1731                ts->stat = SAS_OPEN_REJECT;
1732                break;
1733        case IO_PORT_IN_RESET:
1734                PM8001_IO_DBG(pm8001_ha,
1735                        pm8001_printk("IO_PORT_IN_RESET\n"));
1736                ts->resp = SAS_TASK_COMPLETE;
1737                ts->stat = SAS_OPEN_REJECT;
1738                break;
1739        case IO_DS_NON_OPERATIONAL:
1740                PM8001_IO_DBG(pm8001_ha,
1741                        pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
1742                ts->resp = SAS_TASK_COMPLETE;
1743                ts->stat = SAS_OPEN_REJECT;
1744                if (!t->uldd_task)
1745                        pm8001_handle_event(pm8001_ha,
1746                                pm8001_dev,
1747                                IO_DS_NON_OPERATIONAL);
1748                break;
1749        case IO_DS_IN_RECOVERY:
1750                PM8001_IO_DBG(pm8001_ha,
1751                        pm8001_printk("IO_DS_IN_RECOVERY\n"));
1752                ts->resp = SAS_TASK_COMPLETE;
1753                ts->stat = SAS_OPEN_REJECT;
1754                break;
1755        case IO_TM_TAG_NOT_FOUND:
1756                PM8001_IO_DBG(pm8001_ha,
1757                        pm8001_printk("IO_TM_TAG_NOT_FOUND\n"));
1758                ts->resp = SAS_TASK_COMPLETE;
1759                ts->stat = SAS_OPEN_REJECT;
1760                break;
1761        case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
1762                PM8001_IO_DBG(pm8001_ha,
1763                        pm8001_printk("IO_SSP_EXT_IU_ZERO_LEN_ERROR\n"));
1764                ts->resp = SAS_TASK_COMPLETE;
1765                ts->stat = SAS_OPEN_REJECT;
1766                break;
1767        case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
1768                PM8001_IO_DBG(pm8001_ha,
1769                        pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
1770                ts->resp = SAS_TASK_COMPLETE;
1771                ts->stat = SAS_OPEN_REJECT;
1772                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1773                break;
1774        default:
1775                PM8001_IO_DBG(pm8001_ha,
1776                        pm8001_printk("Unknown status 0x%x\n", status));
1777                /* not allowed case. Therefore, return failed status */
1778                ts->resp = SAS_TASK_COMPLETE;
1779                ts->stat = SAS_OPEN_REJECT;
1780                break;
1781        }
1782        PM8001_IO_DBG(pm8001_ha,
1783                pm8001_printk("scsi_status = 0x%x\n ",
1784                psspPayload->ssp_resp_iu.status));
1785        spin_lock_irqsave(&t->task_state_lock, flags);
1786        t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1787        t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1788        t->task_state_flags |= SAS_TASK_STATE_DONE;
1789        if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1790                spin_unlock_irqrestore(&t->task_state_lock, flags);
1791                PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
1792                        "task 0x%p done with io_status 0x%x resp 0x%x "
1793                        "stat 0x%x but aborted by upper layer!\n",
1794                        t, status, ts->resp, ts->stat));
1795                if (t->slow_task)
1796                        complete(&t->slow_task->completion);
1797                pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1798        } else {
1799                spin_unlock_irqrestore(&t->task_state_lock, flags);
1800                pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1801                mb();/* in order to force CPU ordering */
1802                t->task_done(t);
1803        }
1804}
1805
1806/*See the comments for mpi_ssp_completion */
1807static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
1808{
1809        struct sas_task *t;
1810        unsigned long flags;
1811        struct task_status_struct *ts;
1812        struct pm8001_ccb_info *ccb;
1813        struct pm8001_device *pm8001_dev;
1814        struct ssp_event_resp *psspPayload =
1815                (struct ssp_event_resp *)(piomb + 4);
1816        u32 event = le32_to_cpu(psspPayload->event);
1817        u32 tag = le32_to_cpu(psspPayload->tag);
1818        u32 port_id = le32_to_cpu(psspPayload->port_id);
1819
1820        ccb = &pm8001_ha->ccb_info[tag];
1821        t = ccb->task;
1822        pm8001_dev = ccb->device;
1823        if (event)
1824                PM8001_FAIL_DBG(pm8001_ha,
1825                        pm8001_printk("sas IO status 0x%x\n", event));
1826        if (unlikely(!t || !t->lldd_task || !t->dev))
1827                return;
1828        ts = &t->task_status;
1829        PM8001_IO_DBG(pm8001_ha,
1830                pm8001_printk("port_id:0x%x, tag:0x%x, event:0x%x\n",
1831                                port_id, tag, event));
1832        switch (event) {
1833        case IO_OVERFLOW:
1834                PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n");)
1835                ts->resp = SAS_TASK_COMPLETE;
1836                ts->stat = SAS_DATA_OVERRUN;
1837                ts->residual = 0;
1838                if (pm8001_dev)
1839                        pm8001_dev->running_req--;
1840                break;
1841        case IO_XFER_ERROR_BREAK:
1842                PM8001_IO_DBG(pm8001_ha,
1843                        pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1844                pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
1845                return;
1846        case IO_XFER_ERROR_PHY_NOT_READY:
1847                PM8001_IO_DBG(pm8001_ha,
1848                        pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1849                ts->resp = SAS_TASK_COMPLETE;
1850                ts->stat = SAS_OPEN_REJECT;
1851                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1852                break;
1853        case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1854                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1855                        "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
1856                ts->resp = SAS_TASK_COMPLETE;
1857                ts->stat = SAS_OPEN_REJECT;
1858                ts->open_rej_reason = SAS_OREJ_EPROTO;
1859                break;
1860        case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1861                PM8001_IO_DBG(pm8001_ha,
1862                        pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1863                ts->resp = SAS_TASK_COMPLETE;
1864                ts->stat = SAS_OPEN_REJECT;
1865                ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1866                break;
1867        case IO_OPEN_CNX_ERROR_BREAK:
1868                PM8001_IO_DBG(pm8001_ha,
1869                        pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1870                ts->resp = SAS_TASK_COMPLETE;
1871                ts->stat = SAS_OPEN_REJECT;
1872                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1873                break;
1874        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1875        case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
1876        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
1877        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
1878        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
1879        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
1880                PM8001_IO_DBG(pm8001_ha,
1881                        pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1882                ts->resp = SAS_TASK_COMPLETE;
1883                ts->stat = SAS_OPEN_REJECT;
1884                ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1885                if (!t->uldd_task)
1886                        pm8001_handle_event(pm8001_ha,
1887                                pm8001_dev,
1888                                IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1889                break;
1890        case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1891                PM8001_IO_DBG(pm8001_ha,
1892                        pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1893                ts->resp = SAS_TASK_COMPLETE;
1894                ts->stat = SAS_OPEN_REJECT;
1895                ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1896                break;
1897        case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1898                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
1899                        "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
1900                ts->resp = SAS_TASK_COMPLETE;
1901                ts->stat = SAS_OPEN_REJECT;
1902                ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1903                break;
1904        case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1905                PM8001_IO_DBG(pm8001_ha,
1906                        pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1907                ts->resp = SAS_TASK_COMPLETE;
1908                ts->stat = SAS_OPEN_REJECT;
1909                ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1910                break;
1911        case IO_XFER_ERROR_NAK_RECEIVED:
1912                PM8001_IO_DBG(pm8001_ha,
1913                        pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1914                ts->resp = SAS_TASK_COMPLETE;
1915                ts->stat = SAS_OPEN_REJECT;
1916                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1917                break;
1918        case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1919                PM8001_IO_DBG(pm8001_ha,
1920                        pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
1921                ts->resp = SAS_TASK_COMPLETE;
1922                ts->stat = SAS_NAK_R_ERR;
1923                break;
1924        case IO_XFER_OPEN_RETRY_TIMEOUT:
1925                PM8001_IO_DBG(pm8001_ha,
1926                        pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1927                pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
1928                return;
1929        case IO_XFER_ERROR_UNEXPECTED_PHASE:
1930                PM8001_IO_DBG(pm8001_ha,
1931                        pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
1932                ts->resp = SAS_TASK_COMPLETE;
1933                ts->stat = SAS_DATA_OVERRUN;
1934                break;
1935        case IO_XFER_ERROR_XFER_RDY_OVERRUN:
1936                PM8001_IO_DBG(pm8001_ha,
1937                        pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
1938                ts->resp = SAS_TASK_COMPLETE;
1939                ts->stat = SAS_DATA_OVERRUN;
1940                break;
1941        case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
1942                PM8001_IO_DBG(pm8001_ha,
1943                        pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
1944                ts->resp = SAS_TASK_COMPLETE;
1945                ts->stat = SAS_DATA_OVERRUN;
1946                break;
1947        case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
1948                PM8001_IO_DBG(pm8001_ha,
1949                pm8001_printk("IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n"));
1950                ts->resp = SAS_TASK_COMPLETE;
1951                ts->stat = SAS_DATA_OVERRUN;
1952                break;
1953        case IO_XFER_ERROR_OFFSET_MISMATCH:
1954                PM8001_IO_DBG(pm8001_ha,
1955                        pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
1956                ts->resp = SAS_TASK_COMPLETE;
1957                ts->stat = SAS_DATA_OVERRUN;
1958                break;
1959        case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
1960                PM8001_IO_DBG(pm8001_ha,
1961                        pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
1962                ts->resp = SAS_TASK_COMPLETE;
1963                ts->stat = SAS_DATA_OVERRUN;
1964                break;
1965        case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
1966                PM8001_IO_DBG(pm8001_ha,
1967                        pm8001_printk("IO_XFR_ERROR_INTERNAL_CRC_ERROR\n"));
1968                /* TBC: used default set values */
1969                ts->resp = SAS_TASK_COMPLETE;
1970                ts->stat = SAS_DATA_OVERRUN;
1971                break;
1972        case IO_XFER_CMD_FRAME_ISSUED:
1973                PM8001_IO_DBG(pm8001_ha,
1974                        pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
1975                return;
1976        default:
1977                PM8001_IO_DBG(pm8001_ha,
1978                        pm8001_printk("Unknown status 0x%x\n", event));
1979                /* not allowed case. Therefore, return failed status */
1980                ts->resp = SAS_TASK_COMPLETE;
1981                ts->stat = SAS_DATA_OVERRUN;
1982                break;
1983        }
1984        spin_lock_irqsave(&t->task_state_lock, flags);
1985        t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1986        t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1987        t->task_state_flags |= SAS_TASK_STATE_DONE;
1988        if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1989                spin_unlock_irqrestore(&t->task_state_lock, flags);
1990                PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
1991                        "task 0x%p done with event 0x%x resp 0x%x "
1992                        "stat 0x%x but aborted by upper layer!\n",
1993                        t, event, ts->resp, ts->stat));
1994                pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1995        } else {
1996                spin_unlock_irqrestore(&t->task_state_lock, flags);
1997                pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1998                mb();/* in order to force CPU ordering */
1999                t->task_done(t);
2000        }
2001}
2002
2003/*See the comments for mpi_ssp_completion */
2004static void
2005mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2006{
2007        struct sas_task *t;
2008        struct pm8001_ccb_info *ccb;
2009        u32 param;
2010        u32 status;
2011        u32 tag;
2012        int i, j;
2013        u8 sata_addr_low[4];
2014        u32 temp_sata_addr_low, temp_sata_addr_hi;
2015        u8 sata_addr_hi[4];
2016        struct sata_completion_resp *psataPayload;
2017        struct task_status_struct *ts;
2018        struct ata_task_resp *resp ;
2019        u32 *sata_resp;
2020        struct pm8001_device *pm8001_dev;
2021        unsigned long flags;
2022
2023        psataPayload = (struct sata_completion_resp *)(piomb + 4);
2024        status = le32_to_cpu(psataPayload->status);
2025        tag = le32_to_cpu(psataPayload->tag);
2026
2027        if (!tag) {
2028                PM8001_FAIL_DBG(pm8001_ha,
2029                        pm8001_printk("tag null\n"));
2030                return;
2031        }
2032        ccb = &pm8001_ha->ccb_info[tag];
2033        param = le32_to_cpu(psataPayload->param);
2034        if (ccb) {
2035                t = ccb->task;
2036                pm8001_dev = ccb->device;
2037        } else {
2038                PM8001_FAIL_DBG(pm8001_ha,
2039                        pm8001_printk("ccb null\n"));
2040                return;
2041        }
2042
2043        if (t) {
2044                if (t->dev && (t->dev->lldd_dev))
2045                        pm8001_dev = t->dev->lldd_dev;
2046        } else {
2047                PM8001_FAIL_DBG(pm8001_ha,
2048                        pm8001_printk("task null\n"));
2049                return;
2050        }
2051
2052        if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
2053                && unlikely(!t || !t->lldd_task || !t->dev)) {
2054                PM8001_FAIL_DBG(pm8001_ha,
2055                        pm8001_printk("task or dev null\n"));
2056                return;
2057        }
2058
2059        ts = &t->task_status;
2060        if (!ts) {
2061                PM8001_FAIL_DBG(pm8001_ha,
2062                        pm8001_printk("ts null\n"));
2063                return;
2064        }
2065        /* Print sas address of IO failed device */
2066        if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2067                (status != IO_UNDERFLOW)) {
2068                if (!((t->dev->parent) &&
2069                        (dev_is_expander(t->dev->parent->dev_type)))) {
2070                        for (i = 0 , j = 4; i <= 3 && j <= 7; i++ , j++)
2071                                sata_addr_low[i] = pm8001_ha->sas_addr[j];
2072                        for (i = 0 , j = 0; i <= 3 && j <= 3; i++ , j++)
2073                                sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2074                        memcpy(&temp_sata_addr_low, sata_addr_low,
2075                                sizeof(sata_addr_low));
2076                        memcpy(&temp_sata_addr_hi, sata_addr_hi,
2077                                sizeof(sata_addr_hi));
2078                        temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2079                                                |((temp_sata_addr_hi << 8) &
2080                                                0xff0000) |
2081                                                ((temp_sata_addr_hi >> 8)
2082                                                & 0xff00) |
2083                                                ((temp_sata_addr_hi << 24) &
2084                                                0xff000000));
2085                        temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2086                                                & 0xff) |
2087                                                ((temp_sata_addr_low << 8)
2088                                                & 0xff0000) |
2089                                                ((temp_sata_addr_low >> 8)
2090                                                & 0xff00) |
2091                                                ((temp_sata_addr_low << 24)
2092                                                & 0xff000000)) +
2093                                                pm8001_dev->attached_phy +
2094                                                0x10);
2095                        PM8001_FAIL_DBG(pm8001_ha,
2096                                pm8001_printk("SAS Address of IO Failure Drive:"
2097                                "%08x%08x", temp_sata_addr_hi,
2098                                        temp_sata_addr_low));
2099
2100                } else {
2101                        PM8001_FAIL_DBG(pm8001_ha,
2102                                pm8001_printk("SAS Address of IO Failure Drive:"
2103                                "%016llx", SAS_ADDR(t->dev->sas_addr)));
2104                }
2105        }
2106        switch (status) {
2107        case IO_SUCCESS:
2108                PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2109                if (param == 0) {
2110                        ts->resp = SAS_TASK_COMPLETE;
2111                        ts->stat = SAM_STAT_GOOD;
2112                        /* check if response is for SEND READ LOG */
2113                        if (pm8001_dev &&
2114                                (pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
2115                                /* set new bit for abort_all */
2116                                pm8001_dev->id |= NCQ_ABORT_ALL_FLAG;
2117                                /* clear bit for read log */
2118                                pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF;
2119                                pm80xx_send_abort_all(pm8001_ha, pm8001_dev);
2120                                /* Free the tag */
2121                                pm8001_tag_free(pm8001_ha, tag);
2122                                sas_free_task(t);
2123                                return;
2124                        }
2125                } else {
2126                        u8 len;
2127                        ts->resp = SAS_TASK_COMPLETE;
2128                        ts->stat = SAS_PROTO_RESPONSE;
2129                        ts->residual = param;
2130                        PM8001_IO_DBG(pm8001_ha,
2131                                pm8001_printk("SAS_PROTO_RESPONSE len = %d\n",
2132                                param));
2133                        sata_resp = &psataPayload->sata_resp[0];
2134                        resp = (struct ata_task_resp *)ts->buf;
2135                        if (t->ata_task.dma_xfer == 0 &&
2136                            t->data_dir == DMA_FROM_DEVICE) {
2137                                len = sizeof(struct pio_setup_fis);
2138                                PM8001_IO_DBG(pm8001_ha,
2139                                pm8001_printk("PIO read len = %d\n", len));
2140                        } else if (t->ata_task.use_ncq) {
2141                                len = sizeof(struct set_dev_bits_fis);
2142                                PM8001_IO_DBG(pm8001_ha,
2143                                        pm8001_printk("FPDMA len = %d\n", len));
2144                        } else {
2145                                len = sizeof(struct dev_to_host_fis);
2146                                PM8001_IO_DBG(pm8001_ha,
2147                                pm8001_printk("other len = %d\n", len));
2148                        }
2149                        if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2150                                resp->frame_len = len;
2151                                memcpy(&resp->ending_fis[0], sata_resp, len);
2152                                ts->buf_valid_size = sizeof(*resp);
2153                        } else
2154                                PM8001_IO_DBG(pm8001_ha,
2155                                        pm8001_printk("response to large\n"));
2156                }
2157                if (pm8001_dev)
2158                        pm8001_dev->running_req--;
2159                break;
2160        case IO_ABORTED:
2161                PM8001_IO_DBG(pm8001_ha,
2162                        pm8001_printk("IO_ABORTED IOMB Tag\n"));
2163                ts->resp = SAS_TASK_COMPLETE;
2164                ts->stat = SAS_ABORTED_TASK;
2165                if (pm8001_dev)
2166                        pm8001_dev->running_req--;
2167                break;
2168                /* following cases are to do cases */
2169        case IO_UNDERFLOW:
2170                /* SATA Completion with error */
2171                PM8001_IO_DBG(pm8001_ha,
2172                        pm8001_printk("IO_UNDERFLOW param = %d\n", param));
2173                ts->resp = SAS_TASK_COMPLETE;
2174                ts->stat = SAS_DATA_UNDERRUN;
2175                ts->residual = param;
2176                if (pm8001_dev)
2177                        pm8001_dev->running_req--;
2178                break;
2179        case IO_NO_DEVICE:
2180                PM8001_IO_DBG(pm8001_ha,
2181                        pm8001_printk("IO_NO_DEVICE\n"));
2182                ts->resp = SAS_TASK_UNDELIVERED;
2183                ts->stat = SAS_PHY_DOWN;
2184                break;
2185        case IO_XFER_ERROR_BREAK:
2186                PM8001_IO_DBG(pm8001_ha,
2187                        pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2188                ts->resp = SAS_TASK_COMPLETE;
2189                ts->stat = SAS_INTERRUPTED;
2190                break;
2191        case IO_XFER_ERROR_PHY_NOT_READY:
2192                PM8001_IO_DBG(pm8001_ha,
2193                        pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2194                ts->resp = SAS_TASK_COMPLETE;
2195                ts->stat = SAS_OPEN_REJECT;
2196                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2197                break;
2198        case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2199                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2200                        "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2201                ts->resp = SAS_TASK_COMPLETE;
2202                ts->stat = SAS_OPEN_REJECT;
2203                ts->open_rej_reason = SAS_OREJ_EPROTO;
2204                break;
2205        case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2206                PM8001_IO_DBG(pm8001_ha,
2207                        pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2208                ts->resp = SAS_TASK_COMPLETE;
2209                ts->stat = SAS_OPEN_REJECT;
2210                ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2211                break;
2212        case IO_OPEN_CNX_ERROR_BREAK:
2213                PM8001_IO_DBG(pm8001_ha,
2214                        pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2215                ts->resp = SAS_TASK_COMPLETE;
2216                ts->stat = SAS_OPEN_REJECT;
2217                ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2218                break;
2219        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2220        case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2221        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2222        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2223        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2224        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2225                PM8001_IO_DBG(pm8001_ha,
2226                        pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2227                ts->resp = SAS_TASK_COMPLETE;
2228                ts->stat = SAS_DEV_NO_RESPONSE;
2229                if (!t->uldd_task) {
2230                        pm8001_handle_event(pm8001_ha,
2231                                pm8001_dev,
2232                                IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2233                        ts->resp = SAS_TASK_UNDELIVERED;
2234                        ts->stat = SAS_QUEUE_FULL;
2235                        pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2236                        return;
2237                }
2238                break;
2239        case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2240                PM8001_IO_DBG(pm8001_ha,
2241                        pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2242                ts->resp = SAS_TASK_UNDELIVERED;
2243                ts->stat = SAS_OPEN_REJECT;
2244                ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2245                if (!t->uldd_task) {
2246                        pm8001_handle_event(pm8001_ha,
2247                                pm8001_dev,
2248                                IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2249                        ts->resp = SAS_TASK_UNDELIVERED;
2250                        ts->stat = SAS_QUEUE_FULL;
2251                        pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2252                        return;
2253                }
2254                break;
2255        case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2256                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2257                        "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2258                ts->resp = SAS_TASK_COMPLETE;
2259                ts->stat = SAS_OPEN_REJECT;
2260                ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2261                break;
2262        case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2263                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2264                        "IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n"));
2265                ts->resp = SAS_TASK_COMPLETE;
2266                ts->stat = SAS_DEV_NO_RESPONSE;
2267                if (!t->uldd_task) {
2268                        pm8001_handle_event(pm8001_ha,
2269                                pm8001_dev,
2270                                IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2271                        ts->resp = SAS_TASK_UNDELIVERED;
2272                        ts->stat = SAS_QUEUE_FULL;
2273                        pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2274                        return;
2275                }
2276                break;
2277        case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2278                PM8001_IO_DBG(pm8001_ha,
2279                        pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2280                ts->resp = SAS_TASK_COMPLETE;
2281                ts->stat = SAS_OPEN_REJECT;
2282                ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2283                break;
2284        case IO_XFER_ERROR_NAK_RECEIVED:
2285                PM8001_IO_DBG(pm8001_ha,
2286                        pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2287                ts->resp = SAS_TASK_COMPLETE;
2288                ts->stat = SAS_NAK_R_ERR;
2289                break;
2290        case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2291                PM8001_IO_DBG(pm8001_ha,
2292                        pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2293                ts->resp = SAS_TASK_COMPLETE;
2294                ts->stat = SAS_NAK_R_ERR;
2295                break;
2296        case IO_XFER_ERROR_DMA:
2297                PM8001_IO_DBG(pm8001_ha,
2298                        pm8001_printk("IO_XFER_ERROR_DMA\n"));
2299                ts->resp = SAS_TASK_COMPLETE;
2300                ts->stat = SAS_ABORTED_TASK;
2301                break;
2302        case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2303                PM8001_IO_DBG(pm8001_ha,
2304                        pm8001_printk("IO_XFER_ERROR_SATA_LINK_TIMEOUT\n"));
2305                ts->resp = SAS_TASK_UNDELIVERED;
2306                ts->stat = SAS_DEV_NO_RESPONSE;
2307                break;
2308        case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2309                PM8001_IO_DBG(pm8001_ha,
2310                        pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2311                ts->resp = SAS_TASK_COMPLETE;
2312                ts->stat = SAS_DATA_UNDERRUN;
2313                break;
2314        case IO_XFER_OPEN_RETRY_TIMEOUT:
2315                PM8001_IO_DBG(pm8001_ha,
2316                        pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2317                ts->resp = SAS_TASK_COMPLETE;
2318                ts->stat = SAS_OPEN_TO;
2319                break;
2320        case IO_PORT_IN_RESET:
2321                PM8001_IO_DBG(pm8001_ha,
2322                        pm8001_printk("IO_PORT_IN_RESET\n"));
2323                ts->resp = SAS_TASK_COMPLETE;
2324                ts->stat = SAS_DEV_NO_RESPONSE;
2325                break;
2326        case IO_DS_NON_OPERATIONAL:
2327                PM8001_IO_DBG(pm8001_ha,
2328                        pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2329                ts->resp = SAS_TASK_COMPLETE;
2330                ts->stat = SAS_DEV_NO_RESPONSE;
2331                if (!t->uldd_task) {
2332                        pm8001_handle_event(pm8001_ha, pm8001_dev,
2333                                        IO_DS_NON_OPERATIONAL);
2334                        ts->resp = SAS_TASK_UNDELIVERED;
2335                        ts->stat = SAS_QUEUE_FULL;
2336                        pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2337                        return;
2338                }
2339                break;
2340        case IO_DS_IN_RECOVERY:
2341                PM8001_IO_DBG(pm8001_ha,
2342                        pm8001_printk("IO_DS_IN_RECOVERY\n"));
2343                ts->resp = SAS_TASK_COMPLETE;
2344                ts->stat = SAS_DEV_NO_RESPONSE;
2345                break;
2346        case IO_DS_IN_ERROR:
2347                PM8001_IO_DBG(pm8001_ha,
2348                        pm8001_printk("IO_DS_IN_ERROR\n"));
2349                ts->resp = SAS_TASK_COMPLETE;
2350                ts->stat = SAS_DEV_NO_RESPONSE;
2351                if (!t->uldd_task) {
2352                        pm8001_handle_event(pm8001_ha, pm8001_dev,
2353                                        IO_DS_IN_ERROR);
2354                        ts->resp = SAS_TASK_UNDELIVERED;
2355                        ts->stat = SAS_QUEUE_FULL;
2356                        pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2357                        return;
2358                }
2359                break;
2360        case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2361                PM8001_IO_DBG(pm8001_ha,
2362                        pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2363                ts->resp = SAS_TASK_COMPLETE;
2364                ts->stat = SAS_OPEN_REJECT;
2365                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2366                break;
2367        default:
2368                PM8001_IO_DBG(pm8001_ha,
2369                        pm8001_printk("Unknown status 0x%x\n", status));
2370                /* not allowed case. Therefore, return failed status */
2371                ts->resp = SAS_TASK_COMPLETE;
2372                ts->stat = SAS_DEV_NO_RESPONSE;
2373                break;
2374        }
2375        spin_lock_irqsave(&t->task_state_lock, flags);
2376        t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2377        t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2378        t->task_state_flags |= SAS_TASK_STATE_DONE;
2379        if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2380                spin_unlock_irqrestore(&t->task_state_lock, flags);
2381                PM8001_FAIL_DBG(pm8001_ha,
2382                        pm8001_printk("task 0x%p done with io_status 0x%x"
2383                        " resp 0x%x stat 0x%x but aborted by upper layer!\n",
2384                        t, status, ts->resp, ts->stat));
2385                pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2386        } else {
2387                spin_unlock_irqrestore(&t->task_state_lock, flags);
2388                pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2389        }
2390}
2391
2392/*See the comments for mpi_ssp_completion */
2393static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2394{
2395        struct sas_task *t;
2396        struct task_status_struct *ts;
2397        struct pm8001_ccb_info *ccb;
2398        struct pm8001_device *pm8001_dev;
2399        struct sata_event_resp *psataPayload =
2400                (struct sata_event_resp *)(piomb + 4);
2401        u32 event = le32_to_cpu(psataPayload->event);
2402        u32 tag = le32_to_cpu(psataPayload->tag);
2403        u32 port_id = le32_to_cpu(psataPayload->port_id);
2404        u32 dev_id = le32_to_cpu(psataPayload->device_id);
2405        unsigned long flags;
2406
2407        ccb = &pm8001_ha->ccb_info[tag];
2408
2409        if (ccb) {
2410                t = ccb->task;
2411                pm8001_dev = ccb->device;
2412        } else {
2413                PM8001_FAIL_DBG(pm8001_ha,
2414                        pm8001_printk("No CCB !!!. returning\n"));
2415                return;
2416        }
2417        if (event)
2418                PM8001_FAIL_DBG(pm8001_ha,
2419                        pm8001_printk("SATA EVENT 0x%x\n", event));
2420
2421        /* Check if this is NCQ error */
2422        if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2423                /* find device using device id */
2424                pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2425                /* send read log extension */
2426                if (pm8001_dev)
2427                        pm80xx_send_read_log(pm8001_ha, pm8001_dev);
2428                return;
2429        }
2430
2431        if (unlikely(!t || !t->lldd_task || !t->dev)) {
2432                PM8001_FAIL_DBG(pm8001_ha,
2433                        pm8001_printk("task or dev null\n"));
2434                return;
2435        }
2436
2437        ts = &t->task_status;
2438        PM8001_IO_DBG(pm8001_ha,
2439                pm8001_printk("port_id:0x%x, tag:0x%x, event:0x%x\n",
2440                                port_id, tag, event));
2441        switch (event) {
2442        case IO_OVERFLOW:
2443                PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2444                ts->resp = SAS_TASK_COMPLETE;
2445                ts->stat = SAS_DATA_OVERRUN;
2446                ts->residual = 0;
2447                if (pm8001_dev)
2448                        pm8001_dev->running_req--;
2449                break;
2450        case IO_XFER_ERROR_BREAK:
2451                PM8001_IO_DBG(pm8001_ha,
2452                        pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2453                ts->resp = SAS_TASK_COMPLETE;
2454                ts->stat = SAS_INTERRUPTED;
2455                break;
2456        case IO_XFER_ERROR_PHY_NOT_READY:
2457                PM8001_IO_DBG(pm8001_ha,
2458                        pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2459                ts->resp = SAS_TASK_COMPLETE;
2460                ts->stat = SAS_OPEN_REJECT;
2461                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2462                break;
2463        case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2464                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2465                        "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2466                ts->resp = SAS_TASK_COMPLETE;
2467                ts->stat = SAS_OPEN_REJECT;
2468                ts->open_rej_reason = SAS_OREJ_EPROTO;
2469                break;
2470        case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2471                PM8001_IO_DBG(pm8001_ha,
2472                        pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2473                ts->resp = SAS_TASK_COMPLETE;
2474                ts->stat = SAS_OPEN_REJECT;
2475                ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2476                break;
2477        case IO_OPEN_CNX_ERROR_BREAK:
2478                PM8001_IO_DBG(pm8001_ha,
2479                        pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2480                ts->resp = SAS_TASK_COMPLETE;
2481                ts->stat = SAS_OPEN_REJECT;
2482                ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2483                break;
2484        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2485        case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2486        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2487        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2488        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2489        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2490                PM8001_FAIL_DBG(pm8001_ha,
2491                        pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2492                ts->resp = SAS_TASK_UNDELIVERED;
2493                ts->stat = SAS_DEV_NO_RESPONSE;
2494                if (!t->uldd_task) {
2495                        pm8001_handle_event(pm8001_ha,
2496                                pm8001_dev,
2497                                IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2498                        ts->resp = SAS_TASK_COMPLETE;
2499                        ts->stat = SAS_QUEUE_FULL;
2500                        pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2501                        return;
2502                }
2503                break;
2504        case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2505                PM8001_IO_DBG(pm8001_ha,
2506                        pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2507                ts->resp = SAS_TASK_UNDELIVERED;
2508                ts->stat = SAS_OPEN_REJECT;
2509                ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2510                break;
2511        case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2512                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2513                        "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2514                ts->resp = SAS_TASK_COMPLETE;
2515                ts->stat = SAS_OPEN_REJECT;
2516                ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2517                break;
2518        case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2519                PM8001_IO_DBG(pm8001_ha,
2520                        pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2521                ts->resp = SAS_TASK_COMPLETE;
2522                ts->stat = SAS_OPEN_REJECT;
2523                ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2524                break;
2525        case IO_XFER_ERROR_NAK_RECEIVED:
2526                PM8001_IO_DBG(pm8001_ha,
2527                        pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2528                ts->resp = SAS_TASK_COMPLETE;
2529                ts->stat = SAS_NAK_R_ERR;
2530                break;
2531        case IO_XFER_ERROR_PEER_ABORTED:
2532                PM8001_IO_DBG(pm8001_ha,
2533                        pm8001_printk("IO_XFER_ERROR_PEER_ABORTED\n"));
2534                ts->resp = SAS_TASK_COMPLETE;
2535                ts->stat = SAS_NAK_R_ERR;
2536                break;
2537        case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2538                PM8001_IO_DBG(pm8001_ha,
2539                        pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2540                ts->resp = SAS_TASK_COMPLETE;
2541                ts->stat = SAS_DATA_UNDERRUN;
2542                break;
2543        case IO_XFER_OPEN_RETRY_TIMEOUT:
2544                PM8001_IO_DBG(pm8001_ha,
2545                        pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2546                ts->resp = SAS_TASK_COMPLETE;
2547                ts->stat = SAS_OPEN_TO;
2548                break;
2549        case IO_XFER_ERROR_UNEXPECTED_PHASE:
2550                PM8001_IO_DBG(pm8001_ha,
2551                        pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
2552                ts->resp = SAS_TASK_COMPLETE;
2553                ts->stat = SAS_OPEN_TO;
2554                break;
2555        case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2556                PM8001_IO_DBG(pm8001_ha,
2557                        pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
2558                ts->resp = SAS_TASK_COMPLETE;
2559                ts->stat = SAS_OPEN_TO;
2560                break;
2561        case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2562                PM8001_IO_DBG(pm8001_ha,
2563                        pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
2564                ts->resp = SAS_TASK_COMPLETE;
2565                ts->stat = SAS_OPEN_TO;
2566                break;
2567        case IO_XFER_ERROR_OFFSET_MISMATCH:
2568                PM8001_IO_DBG(pm8001_ha,
2569                        pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2570                ts->resp = SAS_TASK_COMPLETE;
2571                ts->stat = SAS_OPEN_TO;
2572                break;
2573        case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2574                PM8001_IO_DBG(pm8001_ha,
2575                        pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
2576                ts->resp = SAS_TASK_COMPLETE;
2577                ts->stat = SAS_OPEN_TO;
2578                break;
2579        case IO_XFER_CMD_FRAME_ISSUED:
2580                PM8001_IO_DBG(pm8001_ha,
2581                        pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
2582                break;
2583        case IO_XFER_PIO_SETUP_ERROR:
2584                PM8001_IO_DBG(pm8001_ha,
2585                        pm8001_printk("IO_XFER_PIO_SETUP_ERROR\n"));
2586                ts->resp = SAS_TASK_COMPLETE;
2587                ts->stat = SAS_OPEN_TO;
2588                break;
2589        case IO_XFER_ERROR_INTERNAL_CRC_ERROR:
2590                PM8001_FAIL_DBG(pm8001_ha,
2591                        pm8001_printk("IO_XFR_ERROR_INTERNAL_CRC_ERROR\n"));
2592                /* TBC: used default set values */
2593                ts->resp = SAS_TASK_COMPLETE;
2594                ts->stat = SAS_OPEN_TO;
2595                break;
2596        case IO_XFER_DMA_ACTIVATE_TIMEOUT:
2597                PM8001_FAIL_DBG(pm8001_ha,
2598                        pm8001_printk("IO_XFR_DMA_ACTIVATE_TIMEOUT\n"));
2599                /* TBC: used default set values */
2600                ts->resp = SAS_TASK_COMPLETE;
2601                ts->stat = SAS_OPEN_TO;
2602                break;
2603        default:
2604                PM8001_IO_DBG(pm8001_ha,
2605                        pm8001_printk("Unknown status 0x%x\n", event));
2606                /* not allowed case. Therefore, return failed status */
2607                ts->resp = SAS_TASK_COMPLETE;
2608                ts->stat = SAS_OPEN_TO;
2609                break;
2610        }
2611        spin_lock_irqsave(&t->task_state_lock, flags);
2612        t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2613        t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2614        t->task_state_flags |= SAS_TASK_STATE_DONE;
2615        if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2616                spin_unlock_irqrestore(&t->task_state_lock, flags);
2617                PM8001_FAIL_DBG(pm8001_ha,
2618                        pm8001_printk("task 0x%p done with io_status 0x%x"
2619                        " resp 0x%x stat 0x%x but aborted by upper layer!\n",
2620                        t, event, ts->resp, ts->stat));
2621                pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2622        } else {
2623                spin_unlock_irqrestore(&t->task_state_lock, flags);
2624                pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2625        }
2626}
2627
2628/*See the comments for mpi_ssp_completion */
2629static void
2630mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2631{
2632        u32 param, i;
2633        struct sas_task *t;
2634        struct pm8001_ccb_info *ccb;
2635        unsigned long flags;
2636        u32 status;
2637        u32 tag;
2638        struct smp_completion_resp *psmpPayload;
2639        struct task_status_struct *ts;
2640        struct pm8001_device *pm8001_dev;
2641        char *pdma_respaddr = NULL;
2642
2643        psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2644        status = le32_to_cpu(psmpPayload->status);
2645        tag = le32_to_cpu(psmpPayload->tag);
2646
2647        ccb = &pm8001_ha->ccb_info[tag];
2648        param = le32_to_cpu(psmpPayload->param);
2649        t = ccb->task;
2650        ts = &t->task_status;
2651        pm8001_dev = ccb->device;
2652        if (status)
2653                PM8001_FAIL_DBG(pm8001_ha,
2654                        pm8001_printk("smp IO status 0x%x\n", status));
2655        if (unlikely(!t || !t->lldd_task || !t->dev))
2656                return;
2657
2658        switch (status) {
2659
2660        case IO_SUCCESS:
2661                PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2662                ts->resp = SAS_TASK_COMPLETE;
2663                ts->stat = SAM_STAT_GOOD;
2664                if (pm8001_dev)
2665                        pm8001_dev->running_req--;
2666                if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
2667                        PM8001_IO_DBG(pm8001_ha,
2668                                pm8001_printk("DIRECT RESPONSE Length:%d\n",
2669                                                param));
2670                        pdma_respaddr = (char *)(phys_to_virt(cpu_to_le64
2671                                                ((u64)sg_dma_address
2672                                                (&t->smp_task.smp_resp))));
2673                        for (i = 0; i < param; i++) {
2674                                *(pdma_respaddr+i) = psmpPayload->_r_a[i];
2675                                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
2676                                        "SMP Byte%d DMA data 0x%x psmp 0x%x\n",
2677                                        i, *(pdma_respaddr+i),
2678                                        psmpPayload->_r_a[i]));
2679                        }
2680                }
2681                break;
2682        case IO_ABORTED:
2683                PM8001_IO_DBG(pm8001_ha,
2684                        pm8001_printk("IO_ABORTED IOMB\n"));
2685                ts->resp = SAS_TASK_COMPLETE;
2686                ts->stat = SAS_ABORTED_TASK;
2687                if (pm8001_dev)
2688                        pm8001_dev->running_req--;
2689                break;
2690        case IO_OVERFLOW:
2691                PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2692                ts->resp = SAS_TASK_COMPLETE;
2693                ts->stat = SAS_DATA_OVERRUN;
2694                ts->residual = 0;
2695                if (pm8001_dev)
2696                        pm8001_dev->running_req--;
2697                break;
2698        case IO_NO_DEVICE:
2699                PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_NO_DEVICE\n"));
2700                ts->resp = SAS_TASK_COMPLETE;
2701                ts->stat = SAS_PHY_DOWN;
2702                break;
2703        case IO_ERROR_HW_TIMEOUT:
2704                PM8001_IO_DBG(pm8001_ha,
2705                        pm8001_printk("IO_ERROR_HW_TIMEOUT\n"));
2706                ts->resp = SAS_TASK_COMPLETE;
2707                ts->stat = SAM_STAT_BUSY;
2708                break;
2709        case IO_XFER_ERROR_BREAK:
2710                PM8001_IO_DBG(pm8001_ha,
2711                        pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2712                ts->resp = SAS_TASK_COMPLETE;
2713                ts->stat = SAM_STAT_BUSY;
2714                break;
2715        case IO_XFER_ERROR_PHY_NOT_READY:
2716                PM8001_IO_DBG(pm8001_ha,
2717                        pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2718                ts->resp = SAS_TASK_COMPLETE;
2719                ts->stat = SAM_STAT_BUSY;
2720                break;
2721        case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2722                PM8001_IO_DBG(pm8001_ha,
2723                pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2724                ts->resp = SAS_TASK_COMPLETE;
2725                ts->stat = SAS_OPEN_REJECT;
2726                ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2727                break;
2728        case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2729                PM8001_IO_DBG(pm8001_ha,
2730                        pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2731                ts->resp = SAS_TASK_COMPLETE;
2732                ts->stat = SAS_OPEN_REJECT;
2733                ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2734                break;
2735        case IO_OPEN_CNX_ERROR_BREAK:
2736                PM8001_IO_DBG(pm8001_ha,
2737                        pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2738                ts->resp = SAS_TASK_COMPLETE;
2739                ts->stat = SAS_OPEN_REJECT;
2740                ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2741                break;
2742        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2743        case IO_XFER_OPEN_RETRY_BACKOFF_THRESHOLD_REACHED:
2744        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_TMO:
2745        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_NO_DEST:
2746        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_OPEN_COLLIDE:
2747        case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS_PATHWAY_BLOCKED:
2748                PM8001_IO_DBG(pm8001_ha,
2749                        pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2750                ts->resp = SAS_TASK_COMPLETE;
2751                ts->stat = SAS_OPEN_REJECT;
2752                ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2753                pm8001_handle_event(pm8001_ha,
2754                                pm8001_dev,
2755                                IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2756                break;
2757        case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2758                PM8001_IO_DBG(pm8001_ha,
2759                        pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2760                ts->resp = SAS_TASK_COMPLETE;
2761                ts->stat = SAS_OPEN_REJECT;
2762                ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2763                break;
2764        case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2765                PM8001_IO_DBG(pm8001_ha, pm8001_printk(\
2766                        "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n"));
2767                ts->resp = SAS_TASK_COMPLETE;
2768                ts->stat = SAS_OPEN_REJECT;
2769                ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2770                break;
2771        case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2772                PM8001_IO_DBG(pm8001_ha,
2773                        pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2774                ts->resp = SAS_TASK_COMPLETE;
2775                ts->stat = SAS_OPEN_REJECT;
2776                ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2777                break;
2778        case IO_XFER_ERROR_RX_FRAME:
2779                PM8001_IO_DBG(pm8001_ha,
2780                        pm8001_printk("IO_XFER_ERROR_RX_FRAME\n"));
2781                ts->resp = SAS_TASK_COMPLETE;
2782                ts->stat = SAS_DEV_NO_RESPONSE;
2783                break;
2784        case IO_XFER_OPEN_RETRY_TIMEOUT:
2785                PM8001_IO_DBG(pm8001_ha,
2786                        pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2787                ts->resp = SAS_TASK_COMPLETE;
2788                ts->stat = SAS_OPEN_REJECT;
2789                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2790                break;
2791        case IO_ERROR_INTERNAL_SMP_RESOURCE:
2792                PM8001_IO_DBG(pm8001_ha,
2793                        pm8001_printk("IO_ERROR_INTERNAL_SMP_RESOURCE\n"));
2794                ts->resp = SAS_TASK_COMPLETE;
2795                ts->stat = SAS_QUEUE_FULL;
2796                break;
2797        case IO_PORT_IN_RESET:
2798                PM8001_IO_DBG(pm8001_ha,
2799                        pm8001_printk("IO_PORT_IN_RESET\n"));
2800                ts->resp = SAS_TASK_COMPLETE;
2801                ts->stat = SAS_OPEN_REJECT;
2802                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2803                break;
2804        case IO_DS_NON_OPERATIONAL:
2805                PM8001_IO_DBG(pm8001_ha,
2806                        pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2807                ts->resp = SAS_TASK_COMPLETE;
2808                ts->stat = SAS_DEV_NO_RESPONSE;
2809                break;
2810        case IO_DS_IN_RECOVERY:
2811                PM8001_IO_DBG(pm8001_ha,
2812                        pm8001_printk("IO_DS_IN_RECOVERY\n"));
2813                ts->resp = SAS_TASK_COMPLETE;
2814                ts->stat = SAS_OPEN_REJECT;
2815                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2816                break;
2817        case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2818                PM8001_IO_DBG(pm8001_ha,
2819                        pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2820                ts->resp = SAS_TASK_COMPLETE;
2821                ts->stat = SAS_OPEN_REJECT;
2822                ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2823                break;
2824        default:
2825                PM8001_IO_DBG(pm8001_ha,
2826                        pm8001_printk("Unknown status 0x%x\n", status));
2827                ts->resp = SAS_TASK_COMPLETE;
2828                ts->stat = SAS_DEV_NO_RESPONSE;
2829                /* not allowed case. Therefore, return failed status */
2830                break;
2831        }
2832        spin_lock_irqsave(&t->task_state_lock, flags);
2833        t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2834        t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2835        t->task_state_flags |= SAS_TASK_STATE_DONE;
2836        if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2837                spin_unlock_irqrestore(&t->task_state_lock, flags);
2838                PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
2839                        "task 0x%p done with io_status 0x%x resp 0x%x"
2840                        "stat 0x%x but aborted by upper layer!\n",
2841                        t, status, ts->resp, ts->stat));
2842                pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2843        } else {
2844                spin_unlock_irqrestore(&t->task_state_lock, flags);
2845                pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2846                mb();/* in order to force CPU ordering */
2847                t->task_done(t);
2848        }
2849}
2850
2851/**
2852 * pm80xx_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
2853 * @pm8001_ha: our hba card information
2854 * @Qnum: the outbound queue message number.
2855 * @SEA: source of event to ack
2856 * @port_id: port id.
2857 * @phyId: phy id.
2858 * @param0: parameter 0.
2859 * @param1: parameter 1.
2860 */
2861static void pm80xx_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
2862        u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
2863{
2864        struct hw_event_ack_req  payload;
2865        u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
2866
2867        struct inbound_queue_table *circularQ;
2868
2869        memset((u8 *)&payload, 0, sizeof(payload));
2870        circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
2871        payload.tag = cpu_to_le32(1);
2872        payload.phyid_sea_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
2873                ((phyId & 0xFF) << 24) | (port_id & 0xFF));
2874        payload.param0 = cpu_to_le32(param0);
2875        payload.param1 = cpu_to_le32(param1);
2876        pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
2877}
2878
2879static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
2880        u32 phyId, u32 phy_op);
2881
2882static void hw_event_port_recover(struct pm8001_hba_info *pm8001_ha,
2883                                        void *piomb)
2884{
2885        struct hw_event_resp *pPayload = (struct hw_event_resp *)(piomb + 4);
2886        u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
2887        u8 phy_id = (u8)((phyid_npip_portstate & 0xFF0000) >> 16);
2888        u32 lr_status_evt_portid =
2889                le32_to_cpu(pPayload->lr_status_evt_portid);
2890        u8 deviceType = pPayload->sas_identify.dev_type;
2891        u8 link_rate = (u8)((lr_status_evt_portid & 0xF0000000) >> 28);
2892        struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2893        u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
2894        struct pm8001_port *port = &pm8001_ha->port[port_id];
2895
2896        if (deviceType == SAS_END_DEVICE) {
2897                pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
2898                                        PHY_NOTIFY_ENABLE_SPINUP);
2899        }
2900
2901        port->wide_port_phymap |= (1U << phy_id);
2902        pm8001_get_lrate_mode(phy, link_rate);
2903        phy->sas_phy.oob_mode = SAS_OOB_MODE;
2904        phy->phy_state = PHY_STATE_LINK_UP_SPCV;
2905        phy->phy_attached = 1;
2906}
2907
2908/**
2909 * hw_event_sas_phy_up -FW tells me a SAS phy up event.
2910 * @pm8001_ha: our hba card information
2911 * @piomb: IO message buffer
2912 */
2913static void
2914hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
2915{
2916        struct hw_event_resp *pPayload =
2917                (struct hw_event_resp *)(piomb + 4);
2918        u32 lr_status_evt_portid =
2919                le32_to_cpu(pPayload->lr_status_evt_portid);
2920        u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
2921
2922        u8 link_rate =
2923                (u8)((lr_status_evt_portid & 0xF0000000) >> 28);
2924        u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
2925        u8 phy_id =
2926                (u8)((phyid_npip_portstate & 0xFF0000) >> 16);
2927        u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
2928
2929        struct pm8001_port *port = &pm8001_ha->port[port_id];
2930        struct sas_ha_struct *sas_ha = pm8001_ha->sas;
2931        struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
2932        unsigned long flags;
2933        u8 deviceType = pPayload->sas_identify.dev_type;
2934        port->port_state = portstate;
2935        port->wide_port_phymap |= (1U << phy_id);
2936        phy->phy_state = PHY_STATE_LINK_UP_SPCV;
2937        PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
2938                "portid:%d; phyid:%d; linkrate:%d; "
2939                "portstate:%x; devicetype:%x\n",
2940                port_id, phy_id, link_rate, portstate, deviceType));
2941
2942        switch (deviceType) {
2943        case SAS_PHY_UNUSED:
2944                PM8001_MSG_DBG(pm8001_ha,
2945                        pm8001_printk("device type no device.\n"));
2946                break;
2947        case SAS_END_DEVICE:
2948                PM8001_MSG_DBG(pm8001_ha, pm8001_printk("end device.\n"));
2949                pm80xx_chip_phy_ctl_req(pm8001_ha, phy_id,
2950                        PHY_NOTIFY_ENABLE_SPINUP);
2951                port->port_attached = 1;
2952                pm8001_get_lrate_mode(phy, link_rate);
2953                break;
2954        case SAS_EDGE_EXPANDER_DEVICE:
2955                PM8001_MSG_DBG(pm8001_ha,
2956                        pm8001_printk("expander device.\n"));
2957                port->port_attached = 1;
2958                pm8001_get_lrate_mode(phy, link_rate);
2959                break;
2960        case SAS_FANOUT_EXPANDER_DEVICE:
2961                PM8001_MSG_DBG(pm8001_ha,
2962                        pm8001_printk("fanout expander device.\n"));
2963                port->port_attached = 1;
2964                pm8001_get_lrate_mode(phy, link_rate);
2965                break;
2966        default:
2967                PM8001_MSG_DBG(pm8001_ha,
2968                        pm8001_printk("unknown device type(%x)\n", deviceType));
2969                break;
2970        }
2971        phy->phy_type |= PORT_TYPE_SAS;
2972        phy->identify.device_type = deviceType;
2973        phy->phy_attached = 1;
2974        if (phy->identify.device_type == SAS_END_DEVICE)
2975                phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
2976        else if (phy->identify.device_type != SAS_PHY_UNUSED)
2977                phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
2978        phy->sas_phy.oob_mode = SAS_OOB_MODE;
2979        sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
2980        spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
2981        memcpy(phy->frame_rcvd, &pPayload->sas_identify,
2982                sizeof(struct sas_identify_frame)-4);
2983        phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
2984        pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
2985        spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
2986        if (pm8001_ha->flags == PM8001F_RUN_TIME)
2987                mdelay(200);/*delay a moment to wait disk to spinup*/
2988        pm8001_bytes_dmaed(pm8001_ha, phy_id);
2989}
2990
2991/**
2992 * hw_event_sata_phy_up -FW tells me a SATA phy up event.
2993 * @pm8001_ha: our hba card information
2994 * @piomb: IO message buffer
2995 */
2996static void
2997hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
2998{
2999        struct hw_event_resp *pPayload =
3000                (struct hw_event_resp *)(piomb + 4);
3001        u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3002        u32 lr_status_evt_portid =
3003                le32_to_cpu(pPayload->lr_status_evt_portid);
3004        u8 link_rate =
3005                (u8)((lr_status_evt_portid & 0xF0000000) >> 28);
3006        u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3007        u8 phy_id =
3008                (u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3009
3010        u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3011
3012        struct pm8001_port *port = &pm8001_ha->port[port_id];
3013        struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3014        struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3015        unsigned long flags;
3016        PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3017                "port id %d, phy id %d link_rate %d portstate 0x%x\n",
3018                                port_id, phy_id, link_rate, portstate));
3019
3020        port->port_state = portstate;
3021        phy->phy_state = PHY_STATE_LINK_UP_SPCV;
3022        port->port_attached = 1;
3023        pm8001_get_lrate_mode(phy, link_rate);
3024        phy->phy_type |= PORT_TYPE_SATA;
3025        phy->phy_attached = 1;
3026        phy->sas_phy.oob_mode = SATA_OOB_MODE;
3027        sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
3028        spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3029        memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3030                sizeof(struct dev_to_host_fis));
3031        phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3032        phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3033        phy->identify.device_type = SAS_SATA_DEV;
3034        pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3035        spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3036        pm8001_bytes_dmaed(pm8001_ha, phy_id);
3037}
3038
3039/**
3040 * hw_event_phy_down -we should notify the libsas the phy is down.
3041 * @pm8001_ha: our hba card information
3042 * @piomb: IO message buffer
3043 */
3044static void
3045hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3046{
3047        struct hw_event_resp *pPayload =
3048                (struct hw_event_resp *)(piomb + 4);
3049
3050        u32 lr_status_evt_portid =
3051                le32_to_cpu(pPayload->lr_status_evt_portid);
3052        u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3053        u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3054        u8 phy_id =
3055                (u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3056        u8 portstate = (u8)(phyid_npip_portstate & 0x0000000F);
3057
3058        struct pm8001_port *port = &pm8001_ha->port[port_id];
3059        struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3060        u32 port_sata = (phy->phy_type & PORT_TYPE_SATA);
3061        port->port_state = portstate;
3062        phy->identify.device_type = 0;
3063        phy->phy_attached = 0;
3064        switch (portstate) {
3065        case PORT_VALID:
3066                break;
3067        case PORT_INVALID:
3068                PM8001_MSG_DBG(pm8001_ha,
3069                        pm8001_printk(" PortInvalid portID %d\n", port_id));
3070                PM8001_MSG_DBG(pm8001_ha,
3071                        pm8001_printk(" Last phy Down and port invalid\n"));
3072                if (port_sata) {
3073                        phy->phy_type = 0;
3074                        port->port_attached = 0;
3075                        pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3076                                        port_id, phy_id, 0, 0);
3077                }
3078                sas_phy_disconnected(&phy->sas_phy);
3079                break;
3080        case PORT_IN_RESET:
3081                PM8001_MSG_DBG(pm8001_ha,
3082                        pm8001_printk(" Port In Reset portID %d\n", port_id));
3083                break;
3084        case PORT_NOT_ESTABLISHED:
3085                PM8001_MSG_DBG(pm8001_ha,
3086                        pm8001_printk(" Phy Down and PORT_NOT_ESTABLISHED\n"));
3087                port->port_attached = 0;
3088                break;
3089        case PORT_LOSTCOMM:
3090                PM8001_MSG_DBG(pm8001_ha,
3091                        pm8001_printk(" Phy Down and PORT_LOSTCOMM\n"));
3092                PM8001_MSG_DBG(pm8001_ha,
3093                        pm8001_printk(" Last phy Down and port invalid\n"));
3094                if (port_sata) {
3095                        port->port_attached = 0;
3096                        phy->phy_type = 0;
3097                        pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3098                                        port_id, phy_id, 0, 0);
3099                }
3100                sas_phy_disconnected(&phy->sas_phy);
3101                break;
3102        default:
3103                port->port_attached = 0;
3104                PM8001_MSG_DBG(pm8001_ha,
3105                        pm8001_printk(" Phy Down and(default) = 0x%x\n",
3106                        portstate));
3107                break;
3108
3109        }
3110        if (port_sata && (portstate != PORT_IN_RESET)) {
3111                struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3112
3113                sas_ha->notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL);
3114        }
3115}
3116
3117static int mpi_phy_start_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3118{
3119        struct phy_start_resp *pPayload =
3120                (struct phy_start_resp *)(piomb + 4);
3121        u32 status =
3122                le32_to_cpu(pPayload->status);
3123        u32 phy_id =
3124                le32_to_cpu(pPayload->phyid);
3125        struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3126
3127        PM8001_INIT_DBG(pm8001_ha,
3128                pm8001_printk("phy start resp status:0x%x, phyid:0x%x\n",
3129                                status, phy_id));
3130        if (status == 0) {
3131                phy->phy_state = PHY_LINK_DOWN;
3132                if (pm8001_ha->flags == PM8001F_RUN_TIME &&
3133                                phy->enable_completion != NULL)
3134                        complete(phy->enable_completion);
3135        }
3136        return 0;
3137
3138}
3139
3140/**
3141 * mpi_thermal_hw_event -The hw event has come.
3142 * @pm8001_ha: our hba card information
3143 * @piomb: IO message buffer
3144 */
3145static int mpi_thermal_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3146{
3147        struct thermal_hw_event *pPayload =
3148                (struct thermal_hw_event *)(piomb + 4);
3149
3150        u32 thermal_event = le32_to_cpu(pPayload->thermal_event);
3151        u32 rht_lht = le32_to_cpu(pPayload->rht_lht);
3152
3153        if (thermal_event & 0x40) {
3154                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3155                        "Thermal Event: Local high temperature violated!\n"));
3156                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3157                        "Thermal Event: Measured local high temperature %d\n",
3158                                ((rht_lht & 0xFF00) >> 8)));
3159        }
3160        if (thermal_event & 0x10) {
3161                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3162                        "Thermal Event: Remote high temperature violated!\n"));
3163                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3164                        "Thermal Event: Measured remote high temperature %d\n",
3165                                ((rht_lht & 0xFF000000) >> 24)));
3166        }
3167        return 0;
3168}
3169
3170/**
3171 * mpi_hw_event -The hw event has come.
3172 * @pm8001_ha: our hba card information
3173 * @piomb: IO message buffer
3174 */
3175static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3176{
3177        unsigned long flags, i;
3178        struct hw_event_resp *pPayload =
3179                (struct hw_event_resp *)(piomb + 4);
3180        u32 lr_status_evt_portid =
3181                le32_to_cpu(pPayload->lr_status_evt_portid);
3182        u32 phyid_npip_portstate = le32_to_cpu(pPayload->phyid_npip_portstate);
3183        u8 port_id = (u8)(lr_status_evt_portid & 0x000000FF);
3184        u8 phy_id =
3185                (u8)((phyid_npip_portstate & 0xFF0000) >> 16);
3186        u16 eventType =
3187                (u16)((lr_status_evt_portid & 0x00FFFF00) >> 8);
3188        u8 status =
3189                (u8)((lr_status_evt_portid & 0x0F000000) >> 24);
3190        struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3191        struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3192        struct pm8001_port *port = &pm8001_ha->port[port_id];
3193        struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3194        PM8001_MSG_DBG(pm8001_ha,
3195                pm8001_printk("portid:%d phyid:%d event:0x%x status:0x%x\n",
3196                                port_id, phy_id, eventType, status));
3197
3198        switch (eventType) {
3199
3200        case HW_EVENT_SAS_PHY_UP:
3201                PM8001_MSG_DBG(pm8001_ha,
3202                        pm8001_printk("HW_EVENT_PHY_START_STATUS\n"));
3203                hw_event_sas_phy_up(pm8001_ha, piomb);
3204                break;
3205        case HW_EVENT_SATA_PHY_UP:
3206                PM8001_MSG_DBG(pm8001_ha,
3207                        pm8001_printk("HW_EVENT_SATA_PHY_UP\n"));
3208                hw_event_sata_phy_up(pm8001_ha, piomb);
3209                break;
3210        case HW_EVENT_SATA_SPINUP_HOLD:
3211                PM8001_MSG_DBG(pm8001_ha,
3212                        pm8001_printk("HW_EVENT_SATA_SPINUP_HOLD\n"));
3213                sas_ha->notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD);
3214                break;
3215        case HW_EVENT_PHY_DOWN:
3216                PM8001_MSG_DBG(pm8001_ha,
3217                        pm8001_printk("HW_EVENT_PHY_DOWN\n"));
3218                hw_event_phy_down(pm8001_ha, piomb);
3219                if (pm8001_ha->reset_in_progress) {
3220                        PM8001_MSG_DBG(pm8001_ha,
3221                                pm8001_printk("Reset in progress\n"));
3222                        return 0;
3223                }
3224                phy->phy_attached = 0;
3225                phy->phy_state = PHY_LINK_DISABLE;
3226                break;
3227        case HW_EVENT_PORT_INVALID:
3228                PM8001_MSG_DBG(pm8001_ha,
3229                        pm8001_printk("HW_EVENT_PORT_INVALID\n"));
3230                sas_phy_disconnected(sas_phy);
3231                phy->phy_attached = 0;
3232                sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3233                break;
3234        /* the broadcast change primitive received, tell the LIBSAS this event
3235        to revalidate the sas domain*/
3236        case HW_EVENT_BROADCAST_CHANGE:
3237                PM8001_MSG_DBG(pm8001_ha,
3238                        pm8001_printk("HW_EVENT_BROADCAST_CHANGE\n"));
3239                pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3240                        port_id, phy_id, 1, 0);
3241                spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3242                sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3243                spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3244                sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3245                break;
3246        case HW_EVENT_PHY_ERROR:
3247                PM8001_MSG_DBG(pm8001_ha,
3248                        pm8001_printk("HW_EVENT_PHY_ERROR\n"));
3249                sas_phy_disconnected(&phy->sas_phy);
3250                phy->phy_attached = 0;
3251                sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR);
3252                break;
3253        case HW_EVENT_BROADCAST_EXP:
3254                PM8001_MSG_DBG(pm8001_ha,
3255                        pm8001_printk("HW_EVENT_BROADCAST_EXP\n"));
3256                spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3257                sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3258                spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3259                sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3260                break;
3261        case HW_EVENT_LINK_ERR_INVALID_DWORD:
3262                PM8001_MSG_DBG(pm8001_ha,
3263                        pm8001_printk("HW_EVENT_LINK_ERR_INVALID_DWORD\n"));
3264                pm80xx_hw_event_ack_req(pm8001_ha, 0,
3265                        HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3266                break;
3267        case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3268                PM8001_MSG_DBG(pm8001_ha,
3269                        pm8001_printk("HW_EVENT_LINK_ERR_DISPARITY_ERROR\n"));
3270                pm80xx_hw_event_ack_req(pm8001_ha, 0,
3271                        HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3272                        port_id, phy_id, 0, 0);
3273                break;
3274        case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3275                PM8001_MSG_DBG(pm8001_ha,
3276                        pm8001_printk("HW_EVENT_LINK_ERR_CODE_VIOLATION\n"));
3277                pm80xx_hw_event_ack_req(pm8001_ha, 0,
3278                        HW_EVENT_LINK_ERR_CODE_VIOLATION,
3279                        port_id, phy_id, 0, 0);
3280                break;
3281        case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3282                PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3283                                "HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n"));
3284                pm80xx_hw_event_ack_req(pm8001_ha, 0,
3285                        HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3286                        port_id, phy_id, 0, 0);
3287                break;
3288        case HW_EVENT_MALFUNCTION:
3289                PM8001_MSG_DBG(pm8001_ha,
3290                        pm8001_printk("HW_EVENT_MALFUNCTION\n"));
3291                break;
3292        case HW_EVENT_BROADCAST_SES:
3293                PM8001_MSG_DBG(pm8001_ha,
3294                        pm8001_printk("HW_EVENT_BROADCAST_SES\n"));
3295                spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3296                sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3297                spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3298                sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3299                break;
3300        case HW_EVENT_INBOUND_CRC_ERROR:
3301                PM8001_MSG_DBG(pm8001_ha,
3302                        pm8001_printk("HW_EVENT_INBOUND_CRC_ERROR\n"));
3303                pm80xx_hw_event_ack_req(pm8001_ha, 0,
3304                        HW_EVENT_INBOUND_CRC_ERROR,
3305                        port_id, phy_id, 0, 0);
3306                break;
3307        case HW_EVENT_HARD_RESET_RECEIVED:
3308                PM8001_MSG_DBG(pm8001_ha,
3309                        pm8001_printk("HW_EVENT_HARD_RESET_RECEIVED\n"));
3310                sas_ha->notify_port_event(sas_phy, PORTE_HARD_RESET);
3311                break;
3312        case HW_EVENT_ID_FRAME_TIMEOUT:
3313                PM8001_MSG_DBG(pm8001_ha,
3314                        pm8001_printk("HW_EVENT_ID_FRAME_TIMEOUT\n"));
3315                sas_phy_disconnected(sas_phy);
3316                phy->phy_attached = 0;
3317                sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3318                break;
3319        case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3320                PM8001_MSG_DBG(pm8001_ha,
3321                        pm8001_printk("HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n"));
3322                pm80xx_hw_event_ack_req(pm8001_ha, 0,
3323                        HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3324                        port_id, phy_id, 0, 0);
3325                sas_phy_disconnected(sas_phy);
3326                phy->phy_attached = 0;
3327                sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3328                break;
3329        case HW_EVENT_PORT_RESET_TIMER_TMO:
3330                PM8001_MSG_DBG(pm8001_ha,
3331                        pm8001_printk("HW_EVENT_PORT_RESET_TIMER_TMO\n"));
3332                pm80xx_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3333                        port_id, phy_id, 0, 0);
3334                sas_phy_disconnected(sas_phy);
3335                phy->phy_attached = 0;
3336                sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3337                if (pm8001_ha->phy[phy_id].reset_completion) {
3338                        pm8001_ha->phy[phy_id].port_reset_status =
3339                                        PORT_RESET_TMO;
3340                        complete(pm8001_ha->phy[phy_id].reset_completion);
3341                        pm8001_ha->phy[phy_id].reset_completion = NULL;
3342                }
3343                break;
3344        case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3345                PM8001_MSG_DBG(pm8001_ha,
3346                        pm8001_printk("HW_EVENT_PORT_RECOVERY_TIMER_TMO\n"));
3347                pm80xx_hw_event_ack_req(pm8001_ha, 0,
3348                        HW_EVENT_PORT_RECOVERY_TIMER_TMO,
3349                        port_id, phy_id, 0, 0);
3350                for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
3351                        if (port->wide_port_phymap & (1 << i)) {
3352                                phy = &pm8001_ha->phy[i];
3353                                sas_ha->notify_phy_event(&phy->sas_phy,
3354                                                PHYE_LOSS_OF_SIGNAL);
3355                                port->wide_port_phymap &= ~(1 << i);
3356                        }
3357                }
3358                break;
3359        case HW_EVENT_PORT_RECOVER:
3360                PM8001_MSG_DBG(pm8001_ha,
3361                        pm8001_printk("HW_EVENT_PORT_RECOVER\n"));
3362                hw_event_port_recover(pm8001_ha, piomb);
3363                break;
3364        case HW_EVENT_PORT_RESET_COMPLETE:
3365                PM8001_MSG_DBG(pm8001_ha,
3366                        pm8001_printk("HW_EVENT_PORT_RESET_COMPLETE\n"));
3367                if (pm8001_ha->phy[phy_id].reset_completion) {
3368                        pm8001_ha->phy[phy_id].port_reset_status =
3369                                        PORT_RESET_SUCCESS;
3370                        complete(pm8001_ha->phy[phy_id].reset_completion);
3371                        pm8001_ha->phy[phy_id].reset_completion = NULL;
3372                }
3373                break;
3374        case EVENT_BROADCAST_ASYNCH_EVENT:
3375                PM8001_MSG_DBG(pm8001_ha,
3376                        pm8001_printk("EVENT_BROADCAST_ASYNCH_EVENT\n"));
3377                break;
3378        default:
3379                PM8001_MSG_DBG(pm8001_ha,
3380                        pm8001_printk("Unknown event type 0x%x\n", eventType));
3381                break;
3382        }
3383        return 0;
3384}
3385
3386/**
3387 * mpi_phy_stop_resp - SPCv specific
3388 * @pm8001_ha: our hba card information
3389 * @piomb: IO message buffer
3390 */
3391static int mpi_phy_stop_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3392{
3393        struct phy_stop_resp *pPayload =
3394                (struct phy_stop_resp *)(piomb + 4);
3395        u32 status =
3396                le32_to_cpu(pPayload->status);
3397        u32 phyid =
3398                le32_to_cpu(pPayload->phyid) & 0xFF;
3399        struct pm8001_phy *phy = &pm8001_ha->phy[phyid];
3400        PM8001_MSG_DBG(pm8001_ha,
3401                        pm8001_printk("phy:0x%x status:0x%x\n",
3402                                        phyid, status));
3403        if (status == PHY_STOP_SUCCESS ||
3404                status == PHY_STOP_ERR_DEVICE_ATTACHED)
3405                phy->phy_state = PHY_LINK_DISABLE;
3406        return 0;
3407}
3408
3409/**
3410 * mpi_set_controller_config_resp - SPCv specific
3411 * @pm8001_ha: our hba card information
3412 * @piomb: IO message buffer
3413 */
3414static int mpi_set_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3415                        void *piomb)
3416{
3417        struct set_ctrl_cfg_resp *pPayload =
3418                        (struct set_ctrl_cfg_resp *)(piomb + 4);
3419        u32 status = le32_to_cpu(pPayload->status);
3420        u32 err_qlfr_pgcd = le32_to_cpu(pPayload->err_qlfr_pgcd);
3421
3422        PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3423                        "SET CONTROLLER RESP: status 0x%x qlfr_pgcd 0x%x\n",
3424                        status, err_qlfr_pgcd));
3425
3426        return 0;
3427}
3428
3429/**
3430 * mpi_get_controller_config_resp - SPCv specific
3431 * @pm8001_ha: our hba card information
3432 * @piomb: IO message buffer
3433 */
3434static int mpi_get_controller_config_resp(struct pm8001_hba_info *pm8001_ha,
3435                        void *piomb)
3436{
3437        PM8001_MSG_DBG(pm8001_ha,
3438                        pm8001_printk(" pm80xx_addition_functionality\n"));
3439
3440        return 0;
3441}
3442
3443/**
3444 * mpi_get_phy_profile_resp - SPCv specific
3445 * @pm8001_ha: our hba card information
3446 * @piomb: IO message buffer
3447 */
3448static int mpi_get_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3449                        void *piomb)
3450{
3451        PM8001_MSG_DBG(pm8001_ha,
3452                        pm8001_printk(" pm80xx_addition_functionality\n"));
3453
3454        return 0;
3455}
3456
3457/**
3458 * mpi_flash_op_ext_resp - SPCv specific
3459 * @pm8001_ha: our hba card information
3460 * @piomb: IO message buffer
3461 */
3462static int mpi_flash_op_ext_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3463{
3464        PM8001_MSG_DBG(pm8001_ha,
3465                        pm8001_printk(" pm80xx_addition_functionality\n"));
3466
3467        return 0;
3468}
3469
3470/**
3471 * mpi_set_phy_profile_resp - SPCv specific
3472 * @pm8001_ha: our hba card information
3473 * @piomb: IO message buffer
3474 */
3475static int mpi_set_phy_profile_resp(struct pm8001_hba_info *pm8001_ha,
3476                        void *piomb)
3477{
3478        u8 page_code;
3479        struct set_phy_profile_resp *pPayload =
3480                (struct set_phy_profile_resp *)(piomb + 4);
3481        u32 ppc_phyid = le32_to_cpu(pPayload->ppc_phyid);
3482        u32 status = le32_to_cpu(pPayload->status);
3483
3484        page_code = (u8)((ppc_phyid & 0xFF00) >> 8);
3485        if (status) {
3486                /* status is FAILED */
3487                PM8001_FAIL_DBG(pm8001_ha,
3488                        pm8001_printk("PhyProfile command failed  with status "
3489                        "0x%08X \n", status));
3490                return -1;
3491        } else {
3492                if (page_code != SAS_PHY_ANALOG_SETTINGS_PAGE) {
3493                        PM8001_FAIL_DBG(pm8001_ha,
3494                                pm8001_printk("Invalid page code 0x%X\n",
3495                                        page_code));
3496                        return -1;
3497                }
3498        }
3499        return 0;
3500}
3501
3502/**
3503 * mpi_kek_management_resp - SPCv specific
3504 * @pm8001_ha: our hba card information
3505 * @piomb: IO message buffer
3506 */
3507static int mpi_kek_management_resp(struct pm8001_hba_info *pm8001_ha,
3508                        void *piomb)
3509{
3510        struct kek_mgmt_resp *pPayload = (struct kek_mgmt_resp *)(piomb + 4);
3511
3512        u32 status = le32_to_cpu(pPayload->status);
3513        u32 kidx_new_curr_ksop = le32_to_cpu(pPayload->kidx_new_curr_ksop);
3514        u32 err_qlfr = le32_to_cpu(pPayload->err_qlfr);
3515
3516        PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3517                "KEK MGMT RESP. Status 0x%x idx_ksop 0x%x err_qlfr 0x%x\n",
3518                status, kidx_new_curr_ksop, err_qlfr));
3519
3520        return 0;
3521}
3522
3523/**
3524 * mpi_dek_management_resp - SPCv specific
3525 * @pm8001_ha: our hba card information
3526 * @piomb: IO message buffer
3527 */
3528static int mpi_dek_management_resp(struct pm8001_hba_info *pm8001_ha,
3529                        void *piomb)
3530{
3531        PM8001_MSG_DBG(pm8001_ha,
3532                        pm8001_printk(" pm80xx_addition_functionality\n"));
3533
3534        return 0;
3535}
3536
3537/**
3538 * ssp_coalesced_comp_resp - SPCv specific
3539 * @pm8001_ha: our hba card information
3540 * @piomb: IO message buffer
3541 */
3542static int ssp_coalesced_comp_resp(struct pm8001_hba_info *pm8001_ha,
3543                        void *piomb)
3544{
3545        PM8001_MSG_DBG(pm8001_ha,
3546                        pm8001_printk(" pm80xx_addition_functionality\n"));
3547
3548        return 0;
3549}
3550
3551/**
3552 * process_one_iomb - process one outbound Queue memory block
3553 * @pm8001_ha: our hba card information
3554 * @piomb: IO message buffer
3555 */
3556static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3557{
3558        __le32 pHeader = *(__le32 *)piomb;
3559        u32 opc = (u32)((le32_to_cpu(pHeader)) & 0xFFF);
3560
3561        switch (opc) {
3562        case OPC_OUB_ECHO:
3563                PM8001_MSG_DBG(pm8001_ha, pm8001_printk("OPC_OUB_ECHO\n"));
3564                break;
3565        case OPC_OUB_HW_EVENT:
3566                PM8001_MSG_DBG(pm8001_ha,
3567                        pm8001_printk("OPC_OUB_HW_EVENT\n"));
3568                mpi_hw_event(pm8001_ha, piomb);
3569                break;
3570        case OPC_OUB_THERM_HW_EVENT:
3571                PM8001_MSG_DBG(pm8001_ha,
3572                        pm8001_printk("OPC_OUB_THERMAL_EVENT\n"));
3573                mpi_thermal_hw_event(pm8001_ha, piomb);
3574                break;
3575        case OPC_OUB_SSP_COMP:
3576                PM8001_MSG_DBG(pm8001_ha,
3577                        pm8001_printk("OPC_OUB_SSP_COMP\n"));
3578                mpi_ssp_completion(pm8001_ha, piomb);
3579                break;
3580        case OPC_OUB_SMP_COMP:
3581                PM8001_MSG_DBG(pm8001_ha,
3582                        pm8001_printk("OPC_OUB_SMP_COMP\n"));
3583                mpi_smp_completion(pm8001_ha, piomb);
3584                break;
3585        case OPC_OUB_LOCAL_PHY_CNTRL:
3586                PM8001_MSG_DBG(pm8001_ha,
3587                        pm8001_printk("OPC_OUB_LOCAL_PHY_CNTRL\n"));
3588                pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3589                break;
3590        case OPC_OUB_DEV_REGIST:
3591                PM8001_MSG_DBG(pm8001_ha,
3592                pm8001_printk("OPC_OUB_DEV_REGIST\n"));
3593                pm8001_mpi_reg_resp(pm8001_ha, piomb);
3594                break;
3595        case OPC_OUB_DEREG_DEV:
3596                PM8001_MSG_DBG(pm8001_ha,
3597                        pm8001_printk("unregister the device\n"));
3598                pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3599                break;
3600        case OPC_OUB_GET_DEV_HANDLE:
3601                PM8001_MSG_DBG(pm8001_ha,
3602                        pm8001_printk("OPC_OUB_GET_DEV_HANDLE\n"));
3603                break;
3604        case OPC_OUB_SATA_COMP:
3605                PM8001_MSG_DBG(pm8001_ha,
3606                        pm8001_printk("OPC_OUB_SATA_COMP\n"));
3607                mpi_sata_completion(pm8001_ha, piomb);
3608                break;
3609        case OPC_OUB_SATA_EVENT:
3610                PM8001_MSG_DBG(pm8001_ha,
3611                        pm8001_printk("OPC_OUB_SATA_EVENT\n"));
3612                mpi_sata_event(pm8001_ha, piomb);
3613                break;
3614        case OPC_OUB_SSP_EVENT:
3615                PM8001_MSG_DBG(pm8001_ha,
3616                        pm8001_printk("OPC_OUB_SSP_EVENT\n"));
3617                mpi_ssp_event(pm8001_ha, piomb);
3618                break;
3619        case OPC_OUB_DEV_HANDLE_ARRIV:
3620                PM8001_MSG_DBG(pm8001_ha,
3621                        pm8001_printk("OPC_OUB_DEV_HANDLE_ARRIV\n"));
3622                /*This is for target*/
3623                break;
3624        case OPC_OUB_SSP_RECV_EVENT:
3625                PM8001_MSG_DBG(pm8001_ha,
3626                        pm8001_printk("OPC_OUB_SSP_RECV_EVENT\n"));
3627                /*This is for target*/
3628                break;
3629        case OPC_OUB_FW_FLASH_UPDATE:
3630                PM8001_MSG_DBG(pm8001_ha,
3631                        pm8001_printk("OPC_OUB_FW_FLASH_UPDATE\n"));
3632                pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
3633                break;
3634        case OPC_OUB_GPIO_RESPONSE:
3635                PM8001_MSG_DBG(pm8001_ha,
3636                        pm8001_printk("OPC_OUB_GPIO_RESPONSE\n"));
3637                break;
3638        case OPC_OUB_GPIO_EVENT:
3639                PM8001_MSG_DBG(pm8001_ha,
3640                        pm8001_printk("OPC_OUB_GPIO_EVENT\n"));
3641                break;
3642        case OPC_OUB_GENERAL_EVENT:
3643                PM8001_MSG_DBG(pm8001_ha,
3644                        pm8001_printk("OPC_OUB_GENERAL_EVENT\n"));
3645                pm8001_mpi_general_event(pm8001_ha, piomb);
3646                break;
3647        case OPC_OUB_SSP_ABORT_RSP:
3648                PM8001_MSG_DBG(pm8001_ha,
3649                        pm8001_printk("OPC_OUB_SSP_ABORT_RSP\n"));
3650                pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3651                break;
3652        case OPC_OUB_SATA_ABORT_RSP:
3653                PM8001_MSG_DBG(pm8001_ha,
3654                        pm8001_printk("OPC_OUB_SATA_ABORT_RSP\n"));
3655                pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3656                break;
3657        case OPC_OUB_SAS_DIAG_MODE_START_END:
3658                PM8001_MSG_DBG(pm8001_ha,
3659                        pm8001_printk("OPC_OUB_SAS_DIAG_MODE_START_END\n"));
3660                break;
3661        case OPC_OUB_SAS_DIAG_EXECUTE:
3662                PM8001_MSG_DBG(pm8001_ha,
3663                        pm8001_printk("OPC_OUB_SAS_DIAG_EXECUTE\n"));
3664                break;
3665        case OPC_OUB_GET_TIME_STAMP:
3666                PM8001_MSG_DBG(pm8001_ha,
3667                        pm8001_printk("OPC_OUB_GET_TIME_STAMP\n"));
3668                break;
3669        case OPC_OUB_SAS_HW_EVENT_ACK:
3670                PM8001_MSG_DBG(pm8001_ha,
3671                        pm8001_printk("OPC_OUB_SAS_HW_EVENT_ACK\n"));
3672                break;
3673        case OPC_OUB_PORT_CONTROL:
3674                PM8001_MSG_DBG(pm8001_ha,
3675                        pm8001_printk("OPC_OUB_PORT_CONTROL\n"));
3676                break;
3677        case OPC_OUB_SMP_ABORT_RSP:
3678                PM8001_MSG_DBG(pm8001_ha,
3679                        pm8001_printk("OPC_OUB_SMP_ABORT_RSP\n"));
3680                pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3681                break;
3682        case OPC_OUB_GET_NVMD_DATA:
3683                PM8001_MSG_DBG(pm8001_ha,
3684                        pm8001_printk("OPC_OUB_GET_NVMD_DATA\n"));
3685                pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
3686                break;
3687        case OPC_OUB_SET_NVMD_DATA:
3688                PM8001_MSG_DBG(pm8001_ha,
3689                        pm8001_printk("OPC_OUB_SET_NVMD_DATA\n"));
3690                pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
3691                break;
3692        case OPC_OUB_DEVICE_HANDLE_REMOVAL:
3693                PM8001_MSG_DBG(pm8001_ha,
3694                        pm8001_printk("OPC_OUB_DEVICE_HANDLE_REMOVAL\n"));
3695                break;
3696        case OPC_OUB_SET_DEVICE_STATE:
3697                PM8001_MSG_DBG(pm8001_ha,
3698                        pm8001_printk("OPC_OUB_SET_DEVICE_STATE\n"));
3699                pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
3700                break;
3701        case OPC_OUB_GET_DEVICE_STATE:
3702                PM8001_MSG_DBG(pm8001_ha,
3703                        pm8001_printk("OPC_OUB_GET_DEVICE_STATE\n"));
3704                break;
3705        case OPC_OUB_SET_DEV_INFO:
3706                PM8001_MSG_DBG(pm8001_ha,
3707                        pm8001_printk("OPC_OUB_SET_DEV_INFO\n"));
3708                break;
3709        /* spcv specifc commands */
3710        case OPC_OUB_PHY_START_RESP:
3711                PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3712                        "OPC_OUB_PHY_START_RESP opcode:%x\n", opc));
3713                mpi_phy_start_resp(pm8001_ha, piomb);
3714                break;
3715        case OPC_OUB_PHY_STOP_RESP:
3716                PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3717                        "OPC_OUB_PHY_STOP_RESP opcode:%x\n", opc));
3718                mpi_phy_stop_resp(pm8001_ha, piomb);
3719                break;
3720        case OPC_OUB_SET_CONTROLLER_CONFIG:
3721                PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3722                        "OPC_OUB_SET_CONTROLLER_CONFIG opcode:%x\n", opc));
3723                mpi_set_controller_config_resp(pm8001_ha, piomb);
3724                break;
3725        case OPC_OUB_GET_CONTROLLER_CONFIG:
3726                PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3727                        "OPC_OUB_GET_CONTROLLER_CONFIG opcode:%x\n", opc));
3728                mpi_get_controller_config_resp(pm8001_ha, piomb);
3729                break;
3730        case OPC_OUB_GET_PHY_PROFILE:
3731                PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3732                        "OPC_OUB_GET_PHY_PROFILE opcode:%x\n", opc));
3733                mpi_get_phy_profile_resp(pm8001_ha, piomb);
3734                break;
3735        case OPC_OUB_FLASH_OP_EXT:
3736                PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3737                        "OPC_OUB_FLASH_OP_EXT opcode:%x\n", opc));
3738                mpi_flash_op_ext_resp(pm8001_ha, piomb);
3739                break;
3740        case OPC_OUB_SET_PHY_PROFILE:
3741                PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3742                        "OPC_OUB_SET_PHY_PROFILE opcode:%x\n", opc));
3743                mpi_set_phy_profile_resp(pm8001_ha, piomb);
3744                break;
3745        case OPC_OUB_KEK_MANAGEMENT_RESP:
3746                PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3747                        "OPC_OUB_KEK_MANAGEMENT_RESP opcode:%x\n", opc));
3748                mpi_kek_management_resp(pm8001_ha, piomb);
3749                break;
3750        case OPC_OUB_DEK_MANAGEMENT_RESP:
3751                PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3752                        "OPC_OUB_DEK_MANAGEMENT_RESP opcode:%x\n", opc));
3753                mpi_dek_management_resp(pm8001_ha, piomb);
3754                break;
3755        case OPC_OUB_SSP_COALESCED_COMP_RESP:
3756                PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3757                        "OPC_OUB_SSP_COALESCED_COMP_RESP opcode:%x\n", opc));
3758                ssp_coalesced_comp_resp(pm8001_ha, piomb);
3759                break;
3760        default:
3761                PM8001_MSG_DBG(pm8001_ha, pm8001_printk(
3762                        "Unknown outbound Queue IOMB OPC = 0x%x\n", opc));
3763                break;
3764        }
3765}
3766
3767static void print_scratchpad_registers(struct pm8001_hba_info *pm8001_ha)
3768{
3769        PM8001_FAIL_DBG(pm8001_ha,
3770                pm8001_printk("MSGU_SCRATCH_PAD_0: 0x%x\n",
3771                        pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0)));
3772        PM8001_FAIL_DBG(pm8001_ha,
3773                pm8001_printk("MSGU_SCRATCH_PAD_1:0x%x\n",
3774                        pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)));
3775        PM8001_FAIL_DBG(pm8001_ha,
3776                pm8001_printk("MSGU_SCRATCH_PAD_2: 0x%x\n",
3777                        pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)));
3778        PM8001_FAIL_DBG(pm8001_ha,
3779                pm8001_printk("MSGU_SCRATCH_PAD_3: 0x%x\n",
3780                        pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3)));
3781        PM8001_FAIL_DBG(pm8001_ha,
3782                pm8001_printk("MSGU_HOST_SCRATCH_PAD_0: 0x%x\n",
3783                        pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0)));
3784        PM8001_FAIL_DBG(pm8001_ha,
3785                pm8001_printk("MSGU_HOST_SCRATCH_PAD_1: 0x%x\n",
3786                        pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_1)));
3787        PM8001_FAIL_DBG(pm8001_ha,
3788                pm8001_printk("MSGU_HOST_SCRATCH_PAD_2: 0x%x\n",
3789                        pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_2)));
3790        PM8001_FAIL_DBG(pm8001_ha,
3791                pm8001_printk("MSGU_HOST_SCRATCH_PAD_3: 0x%x\n",
3792                        pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_3)));
3793        PM8001_FAIL_DBG(pm8001_ha,
3794                pm8001_printk("MSGU_HOST_SCRATCH_PAD_4: 0x%x\n",
3795                        pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_4)));
3796        PM8001_FAIL_DBG(pm8001_ha,
3797                pm8001_printk("MSGU_HOST_SCRATCH_PAD_5: 0x%x\n",
3798                        pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_5)));
3799        PM8001_FAIL_DBG(pm8001_ha,
3800                pm8001_printk("MSGU_RSVD_SCRATCH_PAD_0: 0x%x\n",
3801                        pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_6)));
3802        PM8001_FAIL_DBG(pm8001_ha,
3803                pm8001_printk("MSGU_RSVD_SCRATCH_PAD_1: 0x%x\n",
3804                        pm8001_cr32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_7)));
3805}
3806
3807static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
3808{
3809        struct outbound_queue_table *circularQ;
3810        void *pMsg1 = NULL;
3811        u8 uninitialized_var(bc);
3812        u32 ret = MPI_IO_STATUS_FAIL;
3813        unsigned long flags;
3814        u32 regval;
3815
3816        if (vec == (pm8001_ha->number_of_intr - 1)) {
3817                regval = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
3818                if ((regval & SCRATCH_PAD_MIPSALL_READY) !=
3819                                        SCRATCH_PAD_MIPSALL_READY) {
3820                        pm8001_ha->controller_fatal_error = true;
3821                        PM8001_FAIL_DBG(pm8001_ha, pm8001_printk(
3822                                "Firmware Fatal error! Regval:0x%x\n", regval));
3823                        print_scratchpad_registers(pm8001_ha);
3824                        return ret;
3825                }
3826        }
3827        spin_lock_irqsave(&pm8001_ha->lock, flags);
3828        circularQ = &pm8001_ha->outbnd_q_tbl[vec];
3829        do {
3830                /* spurious interrupt during setup if kexec-ing and
3831                 * driver doing a doorbell access w/ the pre-kexec oq
3832                 * interrupt setup.
3833                 */
3834                if (!circularQ->pi_virt)
3835                        break;
3836                ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
3837                if (MPI_IO_STATUS_SUCCESS == ret) {
3838                        /* process the outbound message */
3839                        process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
3840                        /* free the message from the outbound circular buffer */
3841                        pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
3842                                                        circularQ, bc);
3843                }
3844                if (MPI_IO_STATUS_BUSY == ret) {
3845                        /* Update the producer index from SPC */
3846                        circularQ->producer_index =
3847                                cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
3848                        if (le32_to_cpu(circularQ->producer_index) ==
3849                                circularQ->consumer_idx)
3850                                /* OQ is empty */
3851                                break;
3852                }
3853        } while (1);
3854        spin_unlock_irqrestore(&pm8001_ha->lock, flags);
3855        return ret;
3856}
3857
3858/* DMA_... to our direction translation. */
3859static const u8 data_dir_flags[] = {
3860        [DMA_BIDIRECTIONAL]     = DATA_DIR_BYRECIPIENT, /* UNSPECIFIED */
3861        [DMA_TO_DEVICE]         = DATA_DIR_OUT,         /* OUTBOUND */
3862        [DMA_FROM_DEVICE]       = DATA_DIR_IN,          /* INBOUND */
3863        [DMA_NONE]              = DATA_DIR_NONE,        /* NO TRANSFER */
3864};
3865
3866static void build_smp_cmd(u32 deviceID, __le32 hTag,
3867                        struct smp_req *psmp_cmd, int mode, int length)
3868{
3869        psmp_cmd->tag = hTag;
3870        psmp_cmd->device_id = cpu_to_le32(deviceID);
3871        if (mode == SMP_DIRECT) {
3872                length = length - 4; /* subtract crc */
3873                psmp_cmd->len_ip_ir = cpu_to_le32(length << 16);
3874        } else {
3875                psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
3876        }
3877}
3878
3879/**
3880 * pm8001_chip_smp_req - send a SMP task to FW
3881 * @pm8001_ha: our hba card information.
3882 * @ccb: the ccb information this request used.
3883 */
3884static int pm80xx_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
3885        struct pm8001_ccb_info *ccb)
3886{
3887        int elem, rc;
3888        struct sas_task *task = ccb->task;
3889        struct domain_device *dev = task->dev;
3890        struct pm8001_device *pm8001_dev = dev->lldd_dev;
3891        struct scatterlist *sg_req, *sg_resp;
3892        u32 req_len, resp_len;
3893        struct smp_req smp_cmd;
3894        u32 opc;
3895        struct inbound_queue_table *circularQ;
3896        char *preq_dma_addr = NULL;
3897        __le64 tmp_addr;
3898        u32 i, length;
3899
3900        memset(&smp_cmd, 0, sizeof(smp_cmd));
3901        /*
3902         * DMA-map SMP request, response buffers
3903         */
3904        sg_req = &task->smp_task.smp_req;
3905        elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE);
3906        if (!elem)
3907                return -ENOMEM;
3908        req_len = sg_dma_len(sg_req);
3909
3910        sg_resp = &task->smp_task.smp_resp;
3911        elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE);
3912        if (!elem) {
3913                rc = -ENOMEM;
3914                goto err_out;
3915        }
3916        resp_len = sg_dma_len(sg_resp);
3917        /* must be in dwords */
3918        if ((req_len & 0x3) || (resp_len & 0x3)) {
3919                rc = -EINVAL;
3920                goto err_out_2;
3921        }
3922
3923        opc = OPC_INB_SMP_REQUEST;
3924        circularQ = &pm8001_ha->inbnd_q_tbl[0];
3925        smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
3926
3927        length = sg_req->length;
3928        PM8001_IO_DBG(pm8001_ha,
3929                pm8001_printk("SMP Frame Length %d\n", sg_req->length));
3930        if (!(length - 8))
3931                pm8001_ha->smp_exp_mode = SMP_DIRECT;
3932        else
3933                pm8001_ha->smp_exp_mode = SMP_INDIRECT;
3934
3935
3936        tmp_addr = cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
3937        preq_dma_addr = (char *)phys_to_virt(tmp_addr);
3938
3939        /* INDIRECT MODE command settings. Use DMA */
3940        if (pm8001_ha->smp_exp_mode == SMP_INDIRECT) {
3941                PM8001_IO_DBG(pm8001_ha,
3942                        pm8001_printk("SMP REQUEST INDIRECT MODE\n"));
3943                /* for SPCv indirect mode. Place the top 4 bytes of
3944                 * SMP Request header here. */
3945                for (i = 0; i < 4; i++)
3946                        smp_cmd.smp_req16[i] = *(preq_dma_addr + i);
3947                /* exclude top 4 bytes for SMP req header */
3948                smp_cmd.long_smp_req.long_req_addr =
3949                        cpu_to_le64((u64)sg_dma_address
3950                                (&task->smp_task.smp_req) + 4);
3951                /* exclude 4 bytes for SMP req header and CRC */
3952                smp_cmd.long_smp_req.long_req_size =
3953                        cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-8);
3954                smp_cmd.long_smp_req.long_resp_addr =
3955                                cpu_to_le64((u64)sg_dma_address
3956                                        (&task->smp_task.smp_resp));
3957                smp_cmd.long_smp_req.long_resp_size =
3958                                cpu_to_le32((u32)sg_dma_len
3959                                        (&task->smp_task.smp_resp)-4);
3960        } else { /* DIRECT MODE */
3961                smp_cmd.long_smp_req.long_req_addr =
3962                        cpu_to_le64((u64)sg_dma_address
3963                                        (&task->smp_task.smp_req));
3964                smp_cmd.long_smp_req.long_req_size =
3965                        cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
3966                smp_cmd.long_smp_req.long_resp_addr =
3967                        cpu_to_le64((u64)sg_dma_address
3968                                (&task->smp_task.smp_resp));
3969                smp_cmd.long_smp_req.long_resp_size =
3970                        cpu_to_le32
3971                        ((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
3972        }
3973        if (pm8001_ha->smp_exp_mode == SMP_DIRECT) {
3974                PM8001_IO_DBG(pm8001_ha,
3975                        pm8001_printk("SMP REQUEST DIRECT MODE\n"));
3976                for (i = 0; i < length; i++)
3977                        if (i < 16) {
3978                                smp_cmd.smp_req16[i] = *(preq_dma_addr+i);
3979                                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3980                                        "Byte[%d]:%x (DMA data:%x)\n",
3981                                        i, smp_cmd.smp_req16[i],
3982                                        *(preq_dma_addr)));
3983                        } else {
3984                                smp_cmd.smp_req[i] = *(preq_dma_addr+i);
3985                                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
3986                                        "Byte[%d]:%x (DMA data:%x)\n",
3987                                        i, smp_cmd.smp_req[i],
3988                                        *(preq_dma_addr)));
3989                        }
3990        }
3991
3992        build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag,
3993                                &smp_cmd, pm8001_ha->smp_exp_mode, length);
3994        rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
3995                                        (u32 *)&smp_cmd, 0);
3996        if (rc)
3997                goto err_out_2;
3998        return 0;
3999
4000err_out_2:
4001        dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
4002                        DMA_FROM_DEVICE);
4003err_out:
4004        dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
4005                        DMA_TO_DEVICE);
4006        return rc;
4007}
4008
4009static int check_enc_sas_cmd(struct sas_task *task)
4010{
4011        u8 cmd = task->ssp_task.cmd->cmnd[0];
4012
4013        if (cmd == READ_10 || cmd == WRITE_10 || cmd == WRITE_VERIFY)
4014                return 1;
4015        else
4016                return 0;
4017}
4018
4019static int check_enc_sat_cmd(struct sas_task *task)
4020{
4021        int ret = 0;
4022        switch (task->ata_task.fis.command) {
4023        case ATA_CMD_FPDMA_READ:
4024        case ATA_CMD_READ_EXT:
4025        case ATA_CMD_READ:
4026        case ATA_CMD_FPDMA_WRITE:
4027        case ATA_CMD_WRITE_EXT:
4028        case ATA_CMD_WRITE:
4029        case ATA_CMD_PIO_READ:
4030        case ATA_CMD_PIO_READ_EXT:
4031        case ATA_CMD_PIO_WRITE:
4032        case ATA_CMD_PIO_WRITE_EXT:
4033                ret = 1;
4034                break;
4035        default:
4036                ret = 0;
4037                break;
4038        }
4039        return ret;
4040}
4041
4042/**
4043 * pm80xx_chip_ssp_io_req - send a SSP task to FW
4044 * @pm8001_ha: our hba card information.
4045 * @ccb: the ccb information this request used.
4046 */
4047static int pm80xx_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
4048        struct pm8001_ccb_info *ccb)
4049{
4050        struct sas_task *task = ccb->task;
4051        struct domain_device *dev = task->dev;
4052        struct pm8001_device *pm8001_dev = dev->lldd_dev;
4053        struct ssp_ini_io_start_req ssp_cmd;
4054        u32 tag = ccb->ccb_tag;
4055        int ret;
4056        u64 phys_addr, start_addr, end_addr;
4057        u32 end_addr_high, end_addr_low;
4058        struct inbound_queue_table *circularQ;
4059        u32 q_index;
4060        u32 opc = OPC_INB_SSPINIIOSTART;
4061        memset(&ssp_cmd, 0, sizeof(ssp_cmd));
4062        memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
4063        /* data address domain added for spcv; set to 0 by host,
4064         * used internally by controller
4065         * 0 for SAS 1.1 and SAS 2.0 compatible TLR
4066         */
4067        ssp_cmd.dad_dir_m_tlr =
4068                cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);
4069        ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4070        ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4071        ssp_cmd.tag = cpu_to_le32(tag);
4072        if (task->ssp_task.enable_first_burst)
4073                ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
4074        ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
4075        ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4076        memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4077                       task->ssp_task.cmd->cmd_len);
4078        q_index = (u32) (pm8001_dev->id & 0x00ffffff) % PM8001_MAX_INB_NUM;
4079        circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
4080
4081        /* Check if encryption is set */
4082        if (pm8001_ha->chip->encrypt &&
4083                !(pm8001_ha->encrypt_info.status) && check_enc_sas_cmd(task)) {
4084                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4085                        "Encryption enabled.Sending Encrypt SAS command 0x%x\n",
4086                        task->ssp_task.cmd->cmnd[0]));
4087                opc = OPC_INB_SSP_INI_DIF_ENC_IO;
4088                /* enable encryption. 0 for SAS 1.1 and SAS 2.0 compatible TLR*/
4089                ssp_cmd.dad_dir_m_tlr = cpu_to_le32
4090                        ((data_dir_flags[task->data_dir] << 8) | 0x20 | 0x0);
4091
4092                /* fill in PRD (scatter/gather) table, if any */
4093                if (task->num_scatter > 1) {
4094                        pm8001_chip_make_sg(task->scatter,
4095                                                ccb->n_elem, ccb->buf_prd);
4096                        phys_addr = ccb->ccb_dma_handle +
4097                                offsetof(struct pm8001_ccb_info, buf_prd[0]);
4098                        ssp_cmd.enc_addr_low =
4099                                cpu_to_le32(lower_32_bits(phys_addr));
4100                        ssp_cmd.enc_addr_high =
4101                                cpu_to_le32(upper_32_bits(phys_addr));
4102                        ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4103                } else if (task->num_scatter == 1) {
4104                        u64 dma_addr = sg_dma_address(task->scatter);
4105                        ssp_cmd.enc_addr_low =
4106                                cpu_to_le32(lower_32_bits(dma_addr));
4107                        ssp_cmd.enc_addr_high =
4108                                cpu_to_le32(upper_32_bits(dma_addr));
4109                        ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4110                        ssp_cmd.enc_esgl = 0;
4111                        /* Check 4G Boundary */
4112                        start_addr = cpu_to_le64(dma_addr);
4113                        end_addr = (start_addr + ssp_cmd.enc_len) - 1;
4114                        end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4115                        end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4116                        if (end_addr_high != ssp_cmd.enc_addr_high) {
4117                                PM8001_FAIL_DBG(pm8001_ha,
4118                                        pm8001_printk("The sg list address "
4119                                        "start_addr=0x%016llx data_len=0x%x "
4120                                        "end_addr_high=0x%08x end_addr_low="
4121                                        "0x%08x has crossed 4G boundary\n",
4122                                                start_addr, ssp_cmd.enc_len,
4123                                                end_addr_high, end_addr_low));
4124                                pm8001_chip_make_sg(task->scatter, 1,
4125                                        ccb->buf_prd);
4126                                phys_addr = ccb->ccb_dma_handle +
4127                                        offsetof(struct pm8001_ccb_info,
4128                                                buf_prd[0]);
4129                                ssp_cmd.enc_addr_low =
4130                                        cpu_to_le32(lower_32_bits(phys_addr));
4131                                ssp_cmd.enc_addr_high =
4132                                        cpu_to_le32(upper_32_bits(phys_addr));
4133                                ssp_cmd.enc_esgl = cpu_to_le32(1<<31);
4134                        }
4135                } else if (task->num_scatter == 0) {
4136                        ssp_cmd.enc_addr_low = 0;
4137                        ssp_cmd.enc_addr_high = 0;
4138                        ssp_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4139                        ssp_cmd.enc_esgl = 0;
4140                }
4141                /* XTS mode. All other fields are 0 */
4142                ssp_cmd.key_cmode = 0x6 << 4;
4143                /* set tweak values. Should be the start lba */
4144                ssp_cmd.twk_val0 = cpu_to_le32((task->ssp_task.cmd->cmnd[2] << 24) |
4145                                                (task->ssp_task.cmd->cmnd[3] << 16) |
4146                                                (task->ssp_task.cmd->cmnd[4] << 8) |
4147                                                (task->ssp_task.cmd->cmnd[5]));
4148        } else {
4149                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4150                        "Sending Normal SAS command 0x%x inb q %x\n",
4151                        task->ssp_task.cmd->cmnd[0], q_index));
4152                /* fill in PRD (scatter/gather) table, if any */
4153                if (task->num_scatter > 1) {
4154                        pm8001_chip_make_sg(task->scatter, ccb->n_elem,
4155                                        ccb->buf_prd);
4156                        phys_addr = ccb->ccb_dma_handle +
4157                                offsetof(struct pm8001_ccb_info, buf_prd[0]);
4158                        ssp_cmd.addr_low =
4159                                cpu_to_le32(lower_32_bits(phys_addr));
4160                        ssp_cmd.addr_high =
4161                                cpu_to_le32(upper_32_bits(phys_addr));
4162                        ssp_cmd.esgl = cpu_to_le32(1<<31);
4163                } else if (task->num_scatter == 1) {
4164                        u64 dma_addr = sg_dma_address(task->scatter);
4165                        ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4166                        ssp_cmd.addr_high =
4167                                cpu_to_le32(upper_32_bits(dma_addr));
4168                        ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4169                        ssp_cmd.esgl = 0;
4170                        /* Check 4G Boundary */
4171                        start_addr = cpu_to_le64(dma_addr);
4172                        end_addr = (start_addr + ssp_cmd.len) - 1;
4173                        end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4174                        end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4175                        if (end_addr_high != ssp_cmd.addr_high) {
4176                                PM8001_FAIL_DBG(pm8001_ha,
4177                                        pm8001_printk("The sg list address "
4178                                        "start_addr=0x%016llx data_len=0x%x "
4179                                        "end_addr_high=0x%08x end_addr_low="
4180                                        "0x%08x has crossed 4G boundary\n",
4181                                                 start_addr, ssp_cmd.len,
4182                                                 end_addr_high, end_addr_low));
4183                                pm8001_chip_make_sg(task->scatter, 1,
4184                                        ccb->buf_prd);
4185                                phys_addr = ccb->ccb_dma_handle +
4186                                        offsetof(struct pm8001_ccb_info,
4187                                                 buf_prd[0]);
4188                                ssp_cmd.addr_low =
4189                                        cpu_to_le32(lower_32_bits(phys_addr));
4190                                ssp_cmd.addr_high =
4191                                        cpu_to_le32(upper_32_bits(phys_addr));
4192                                ssp_cmd.esgl = cpu_to_le32(1<<31);
4193                        }
4194                } else if (task->num_scatter == 0) {
4195                        ssp_cmd.addr_low = 0;
4196                        ssp_cmd.addr_high = 0;
4197                        ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4198                        ssp_cmd.esgl = 0;
4199                }
4200        }
4201        q_index = (u32) (pm8001_dev->id & 0x00ffffff) % PM8001_MAX_OUTB_NUM;
4202        ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4203                                                &ssp_cmd, q_index);
4204        return ret;
4205}
4206
4207static int pm80xx_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4208        struct pm8001_ccb_info *ccb)
4209{
4210        struct sas_task *task = ccb->task;
4211        struct domain_device *dev = task->dev;
4212        struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4213        u32 tag = ccb->ccb_tag;
4214        int ret;
4215        u32 q_index;
4216        struct sata_start_req sata_cmd;
4217        u32 hdr_tag, ncg_tag = 0;
4218        u64 phys_addr, start_addr, end_addr;
4219        u32 end_addr_high, end_addr_low;
4220        u32 ATAP = 0x0;
4221        u32 dir;
4222        struct inbound_queue_table *circularQ;
4223        unsigned long flags;
4224        u32 opc = OPC_INB_SATA_HOST_OPSTART;
4225        memset(&sata_cmd, 0, sizeof(sata_cmd));
4226        q_index = (u32) (pm8001_ha_dev->id & 0x00ffffff) % PM8001_MAX_INB_NUM;
4227        circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
4228
4229        if (task->data_dir == DMA_NONE) {
4230                ATAP = 0x04; /* no data*/
4231                PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data\n"));
4232        } else if (likely(!task->ata_task.device_control_reg_update)) {
4233                if (task->ata_task.dma_xfer) {
4234                        ATAP = 0x06; /* DMA */
4235                        PM8001_IO_DBG(pm8001_ha, pm8001_printk("DMA\n"));
4236                } else {
4237                        ATAP = 0x05; /* PIO*/
4238                        PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO\n"));
4239                }
4240                if (task->ata_task.use_ncq &&
4241                    dev->sata_dev.class != ATA_DEV_ATAPI) {
4242                        ATAP = 0x07; /* FPDMA */
4243                        PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA\n"));
4244                }
4245        }
4246        if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4247                task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4248                ncg_tag = hdr_tag;
4249        }
4250        dir = data_dir_flags[task->data_dir] << 8;
4251        sata_cmd.tag = cpu_to_le32(tag);
4252        sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4253        sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4254
4255        sata_cmd.sata_fis = task->ata_task.fis;
4256        if (likely(!task->ata_task.device_control_reg_update))
4257                sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4258        sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4259
4260        /* Check if encryption is set */
4261        if (pm8001_ha->chip->encrypt &&
4262                !(pm8001_ha->encrypt_info.status) && check_enc_sat_cmd(task)) {
4263                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4264                        "Encryption enabled.Sending Encrypt SATA cmd 0x%x\n",
4265                        sata_cmd.sata_fis.command));
4266                opc = OPC_INB_SATA_DIF_ENC_IO;
4267
4268                /* set encryption bit */
4269                sata_cmd.ncqtag_atap_dir_m_dad =
4270                        cpu_to_le32(((ncg_tag & 0xff)<<16)|
4271                                ((ATAP & 0x3f) << 10) | 0x20 | dir);
4272                                                        /* dad (bit 0-1) is 0 */
4273                /* fill in PRD (scatter/gather) table, if any */
4274                if (task->num_scatter > 1) {
4275                        pm8001_chip_make_sg(task->scatter,
4276                                                ccb->n_elem, ccb->buf_prd);
4277                        phys_addr = ccb->ccb_dma_handle +
4278                                offsetof(struct pm8001_ccb_info, buf_prd[0]);
4279                        sata_cmd.enc_addr_low = lower_32_bits(phys_addr);
4280                        sata_cmd.enc_addr_high = upper_32_bits(phys_addr);
4281                        sata_cmd.enc_esgl = cpu_to_le32(1 << 31);
4282                } else if (task->num_scatter == 1) {
4283                        u64 dma_addr = sg_dma_address(task->scatter);
4284                        sata_cmd.enc_addr_low = lower_32_bits(dma_addr);
4285                        sata_cmd.enc_addr_high = upper_32_bits(dma_addr);
4286                        sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4287                        sata_cmd.enc_esgl = 0;
4288                        /* Check 4G Boundary */
4289                        start_addr = cpu_to_le64(dma_addr);
4290                        end_addr = (start_addr + sata_cmd.enc_len) - 1;
4291                        end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4292                        end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4293                        if (end_addr_high != sata_cmd.enc_addr_high) {
4294                                PM8001_FAIL_DBG(pm8001_ha,
4295                                        pm8001_printk("The sg list address "
4296                                        "start_addr=0x%016llx data_len=0x%x "
4297                                        "end_addr_high=0x%08x end_addr_low"
4298                                        "=0x%08x has crossed 4G boundary\n",
4299                                                start_addr, sata_cmd.enc_len,
4300                                                end_addr_high, end_addr_low));
4301                                pm8001_chip_make_sg(task->scatter, 1,
4302                                        ccb->buf_prd);
4303                                phys_addr = ccb->ccb_dma_handle +
4304                                                offsetof(struct pm8001_ccb_info,
4305                                                buf_prd[0]);
4306                                sata_cmd.enc_addr_low =
4307                                        lower_32_bits(phys_addr);
4308                                sata_cmd.enc_addr_high =
4309                                        upper_32_bits(phys_addr);
4310                                sata_cmd.enc_esgl =
4311                                        cpu_to_le32(1 << 31);
4312                        }
4313                } else if (task->num_scatter == 0) {
4314                        sata_cmd.enc_addr_low = 0;
4315                        sata_cmd.enc_addr_high = 0;
4316                        sata_cmd.enc_len = cpu_to_le32(task->total_xfer_len);
4317                        sata_cmd.enc_esgl = 0;
4318                }
4319                /* XTS mode. All other fields are 0 */
4320                sata_cmd.key_index_mode = 0x6 << 4;
4321                /* set tweak values. Should be the start lba */
4322                sata_cmd.twk_val0 =
4323                        cpu_to_le32((sata_cmd.sata_fis.lbal_exp << 24) |
4324                                        (sata_cmd.sata_fis.lbah << 16) |
4325                                        (sata_cmd.sata_fis.lbam << 8) |
4326                                        (sata_cmd.sata_fis.lbal));
4327                sata_cmd.twk_val1 =
4328                        cpu_to_le32((sata_cmd.sata_fis.lbah_exp << 8) |
4329                                         (sata_cmd.sata_fis.lbam_exp));
4330        } else {
4331                PM8001_IO_DBG(pm8001_ha, pm8001_printk(
4332                        "Sending Normal SATA command 0x%x inb %x\n",
4333                        sata_cmd.sata_fis.command, q_index));
4334                /* dad (bit 0-1) is 0 */
4335                sata_cmd.ncqtag_atap_dir_m_dad =
4336                        cpu_to_le32(((ncg_tag & 0xff)<<16) |
4337                                        ((ATAP & 0x3f) << 10) | dir);
4338
4339                /* fill in PRD (scatter/gather) table, if any */
4340                if (task->num_scatter > 1) {
4341                        pm8001_chip_make_sg(task->scatter,
4342                                        ccb->n_elem, ccb->buf_prd);
4343                        phys_addr = ccb->ccb_dma_handle +
4344                                offsetof(struct pm8001_ccb_info, buf_prd[0]);
4345                        sata_cmd.addr_low = lower_32_bits(phys_addr);
4346                        sata_cmd.addr_high = upper_32_bits(phys_addr);
4347                        sata_cmd.esgl = cpu_to_le32(1 << 31);
4348                } else if (task->num_scatter == 1) {
4349                        u64 dma_addr = sg_dma_address(task->scatter);
4350                        sata_cmd.addr_low = lower_32_bits(dma_addr);
4351                        sata_cmd.addr_high = upper_32_bits(dma_addr);
4352                        sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4353                        sata_cmd.esgl = 0;
4354                        /* Check 4G Boundary */
4355                        start_addr = cpu_to_le64(dma_addr);
4356                        end_addr = (start_addr + sata_cmd.len) - 1;
4357                        end_addr_low = cpu_to_le32(lower_32_bits(end_addr));
4358                        end_addr_high = cpu_to_le32(upper_32_bits(end_addr));
4359                        if (end_addr_high != sata_cmd.addr_high) {
4360                                PM8001_FAIL_DBG(pm8001_ha,
4361                                        pm8001_printk("The sg list address "
4362                                        "start_addr=0x%016llx data_len=0x%x"
4363                                        "end_addr_high=0x%08x end_addr_low="
4364                                        "0x%08x has crossed 4G boundary\n",
4365                                                start_addr, sata_cmd.len,
4366                                                end_addr_high, end_addr_low));
4367                                pm8001_chip_make_sg(task->scatter, 1,
4368                                        ccb->buf_prd);
4369                                phys_addr = ccb->ccb_dma_handle +
4370                                        offsetof(struct pm8001_ccb_info,
4371                                        buf_prd[0]);
4372                                sata_cmd.addr_low =
4373                                        lower_32_bits(phys_addr);
4374                                sata_cmd.addr_high =
4375                                        upper_32_bits(phys_addr);
4376                                sata_cmd.esgl = cpu_to_le32(1 << 31);
4377                        }
4378                } else if (task->num_scatter == 0) {
4379                        sata_cmd.addr_low = 0;
4380                        sata_cmd.addr_high = 0;
4381                        sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4382                        sata_cmd.esgl = 0;
4383                }
4384                /* scsi cdb */
4385                sata_cmd.atapi_scsi_cdb[0] =
4386                        cpu_to_le32(((task->ata_task.atapi_packet[0]) |
4387                        (task->ata_task.atapi_packet[1] << 8) |
4388                        (task->ata_task.atapi_packet[2] << 16) |
4389                        (task->ata_task.atapi_packet[3] << 24)));
4390                sata_cmd.atapi_scsi_cdb[1] =
4391                        cpu_to_le32(((task->ata_task.atapi_packet[4]) |
4392                        (task->ata_task.atapi_packet[5] << 8) |
4393                        (task->ata_task.atapi_packet[6] << 16) |
4394                        (task->ata_task.atapi_packet[7] << 24)));
4395                sata_cmd.atapi_scsi_cdb[2] =
4396                        cpu_to_le32(((task->ata_task.atapi_packet[8]) |
4397                        (task->ata_task.atapi_packet[9] << 8) |
4398                        (task->ata_task.atapi_packet[10] << 16) |
4399                        (task->ata_task.atapi_packet[11] << 24)));
4400                sata_cmd.atapi_scsi_cdb[3] =
4401                        cpu_to_le32(((task->ata_task.atapi_packet[12]) |
4402                        (task->ata_task.atapi_packet[13] << 8) |
4403                        (task->ata_task.atapi_packet[14] << 16) |
4404                        (task->ata_task.atapi_packet[15] << 24)));
4405        }
4406
4407        /* Check for read log for failed drive and return */
4408        if (sata_cmd.sata_fis.command == 0x2f) {
4409                if (pm8001_ha_dev && ((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
4410                        (pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
4411                        (pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
4412                        struct task_status_struct *ts;
4413
4414                        pm8001_ha_dev->id &= 0xDFFFFFFF;
4415                        ts = &task->task_status;
4416
4417                        spin_lock_irqsave(&task->task_state_lock, flags);
4418                        ts->resp = SAS_TASK_COMPLETE;
4419                        ts->stat = SAM_STAT_GOOD;
4420                        task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
4421                        task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
4422                        task->task_state_flags |= SAS_TASK_STATE_DONE;
4423                        if (unlikely((task->task_state_flags &
4424                                        SAS_TASK_STATE_ABORTED))) {
4425                                spin_unlock_irqrestore(&task->task_state_lock,
4426                                                        flags);
4427                                PM8001_FAIL_DBG(pm8001_ha,
4428                                        pm8001_printk("task 0x%p resp 0x%x "
4429                                        " stat 0x%x but aborted by upper layer "
4430                                        "\n", task, ts->resp, ts->stat));
4431                                pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
4432                                return 0;
4433                        } else {
4434                                spin_unlock_irqrestore(&task->task_state_lock,
4435                                                        flags);
4436                                pm8001_ccb_task_free_done(pm8001_ha, task,
4437                                                                ccb, tag);
4438                                return 0;
4439                        }
4440                }
4441        }
4442        q_index = (u32) (pm8001_ha_dev->id & 0x00ffffff) % PM8001_MAX_OUTB_NUM;
4443        ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4444                                                &sata_cmd, q_index);
4445        return ret;
4446}
4447
4448/**
4449 * pm80xx_chip_phy_start_req - start phy via PHY_START COMMAND
4450 * @pm8001_ha: our hba card information.
4451 * @num: the inbound queue number
4452 * @phy_id: the phy id which we wanted to start up.
4453 */
4454static int
4455pm80xx_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4456{
4457        struct phy_start_req payload;
4458        struct inbound_queue_table *circularQ;
4459        int ret;
4460        u32 tag = 0x01;
4461        u32 opcode = OPC_INB_PHYSTART;
4462        circularQ = &pm8001_ha->inbnd_q_tbl[0];
4463        memset(&payload, 0, sizeof(payload));
4464        payload.tag = cpu_to_le32(tag);
4465
4466        PM8001_INIT_DBG(pm8001_ha,
4467                pm8001_printk("PHY START REQ for phy_id %d\n", phy_id));
4468        /*
4469         ** [0:7]       PHY Identifier
4470         ** [8:11]      link rate 1.5G, 3G, 6G
4471         ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b Auto mode
4472         ** [14]        0b disable spin up hold; 1b enable spin up hold
4473         ** [15] ob no change in current PHY analig setup 1b enable using SPAST
4474         */
4475        if (!IS_SPCV_12G(pm8001_ha->pdev))
4476                payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4477                                LINKMODE_AUTO | LINKRATE_15 |
4478                                LINKRATE_30 | LINKRATE_60 | phy_id);
4479        else
4480                payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4481                                LINKMODE_AUTO | LINKRATE_15 |
4482                                LINKRATE_30 | LINKRATE_60 | LINKRATE_120 |
4483                                phy_id);
4484
4485        /* SSC Disable and SAS Analog ST configuration */
4486        /**
4487        payload.ase_sh_lm_slr_phyid =
4488                cpu_to_le32(SSC_DISABLE_30 | SAS_ASE | SPINHOLD_DISABLE |
4489                LINKMODE_AUTO | LINKRATE_15 | LINKRATE_30 | LINKRATE_60 |
4490                phy_id);
4491        Have to add "SAS PHY Analog Setup SPASTI 1 Byte" Based on need
4492        **/
4493
4494        payload.sas_identify.dev_type = SAS_END_DEVICE;
4495        payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4496        memcpy(payload.sas_identify.sas_addr,
4497          &pm8001_ha->phy[phy_id].dev_sas_addr, SAS_ADDR_SIZE);
4498        payload.sas_identify.phy_id = phy_id;
4499        ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
4500        return ret;
4501}
4502
4503/**
4504 * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4505 * @pm8001_ha: our hba card information.
4506 * @num: the inbound queue number
4507 * @phy_id: the phy id which we wanted to start up.
4508 */
4509static int pm80xx_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4510        u8 phy_id)
4511{
4512        struct phy_stop_req payload;
4513        struct inbound_queue_table *circularQ;
4514        int ret;
4515        u32 tag = 0x01;
4516        u32 opcode = OPC_INB_PHYSTOP;
4517        circularQ = &pm8001_ha->inbnd_q_tbl[0];
4518        memset(&payload, 0, sizeof(payload));
4519        payload.tag = cpu_to_le32(tag);
4520        payload.phy_id = cpu_to_le32(phy_id);
4521        ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
4522        return ret;
4523}
4524
4525/**
4526 * see comments on pm8001_mpi_reg_resp.
4527 */
4528static int pm80xx_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4529        struct pm8001_device *pm8001_dev, u32 flag)
4530{
4531        struct reg_dev_req payload;
4532        u32     opc;
4533        u32 stp_sspsmp_sata = 0x4;
4534        struct inbound_queue_table *circularQ;
4535        u32 linkrate, phy_id;
4536        int rc, tag = 0xdeadbeef;
4537        struct pm8001_ccb_info *ccb;
4538        u8 retryFlag = 0x1;
4539        u16 firstBurstSize = 0;
4540        u16 ITNT = 2000;
4541        struct domain_device *dev = pm8001_dev->sas_device;
4542        struct domain_device *parent_dev = dev->parent;
4543        circularQ = &pm8001_ha->inbnd_q_tbl[0];
4544
4545        memset(&payload, 0, sizeof(payload));
4546        rc = pm8001_tag_alloc(pm8001_ha, &tag);
4547        if (rc)
4548                return rc;
4549        ccb = &pm8001_ha->ccb_info[tag];
4550        ccb->device = pm8001_dev;
4551        ccb->ccb_tag = tag;
4552        payload.tag = cpu_to_le32(tag);
4553
4554        if (flag == 1) {
4555                stp_sspsmp_sata = 0x02; /*direct attached sata */
4556        } else {
4557                if (pm8001_dev->dev_type == SAS_SATA_DEV)
4558                        stp_sspsmp_sata = 0x00; /* stp*/
4559                else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4560                        pm8001_dev->dev_type == SAS_EDGE_EXPANDER_DEVICE ||
4561                        pm8001_dev->dev_type == SAS_FANOUT_EXPANDER_DEVICE)
4562                        stp_sspsmp_sata = 0x01; /*ssp or smp*/
4563        }
4564        if (parent_dev && dev_is_expander(parent_dev->dev_type))
4565                phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4566        else
4567                phy_id = pm8001_dev->attached_phy;
4568
4569        opc = OPC_INB_REG_DEV;
4570
4571        linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4572                        pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4573
4574        payload.phyid_portid =
4575                cpu_to_le32(((pm8001_dev->sas_device->port->id) & 0xFF) |
4576                ((phy_id & 0xFF) << 8));
4577
4578        payload.dtype_dlr_mcn_ir_retry = cpu_to_le32((retryFlag & 0x01) |
4579                ((linkrate & 0x0F) << 24) |
4580                ((stp_sspsmp_sata & 0x03) << 28));
4581        payload.firstburstsize_ITNexustimeout =
4582                cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4583
4584        memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4585                SAS_ADDR_SIZE);
4586
4587        rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4588        if (rc)
4589                pm8001_tag_free(pm8001_ha, tag);
4590
4591        return rc;
4592}
4593
4594/**
4595 * pm80xx_chip_phy_ctl_req - support the local phy operation
4596 * @pm8001_ha: our hba card information.
4597 * @num: the inbound queue number
4598 * @phy_id: the phy id which we wanted to operate
4599 * @phy_op:
4600 */
4601static int pm80xx_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4602        u32 phyId, u32 phy_op)
4603{
4604        u32 tag;
4605        int rc;
4606        struct local_phy_ctl_req payload;
4607        struct inbound_queue_table *circularQ;
4608        u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4609        memset(&payload, 0, sizeof(payload));
4610        rc = pm8001_tag_alloc(pm8001_ha, &tag);
4611        if (rc)
4612                return rc;
4613        circularQ = &pm8001_ha->inbnd_q_tbl[0];
4614        payload.tag = cpu_to_le32(tag);
4615        payload.phyop_phyid =
4616                cpu_to_le32(((phy_op & 0xFF) << 8) | (phyId & 0xFF));
4617        return pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4618}
4619
4620static u32 pm80xx_chip_is_our_interrupt(struct pm8001_hba_info *pm8001_ha)
4621{
4622#ifdef PM8001_USE_MSIX
4623        return 1;
4624#else
4625        u32 value;
4626
4627        value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4628        if (value)
4629                return 1;
4630        return 0;
4631#endif
4632}
4633
4634/**
4635 * pm8001_chip_isr - PM8001 isr handler.
4636 * @pm8001_ha: our hba card information.
4637 * @irq: irq number.
4638 * @stat: stat.
4639 */
4640static irqreturn_t
4641pm80xx_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4642{
4643        pm80xx_chip_interrupt_disable(pm8001_ha, vec);
4644        process_oq(pm8001_ha, vec);
4645        pm80xx_chip_interrupt_enable(pm8001_ha, vec);
4646        return IRQ_HANDLED;
4647}
4648
4649void mpi_set_phy_profile_req(struct pm8001_hba_info *pm8001_ha,
4650        u32 operation, u32 phyid, u32 length, u32 *buf)
4651{
4652        u32 tag , i, j = 0;
4653        int rc;
4654        struct set_phy_profile_req payload;
4655        struct inbound_queue_table *circularQ;
4656        u32 opc = OPC_INB_SET_PHY_PROFILE;
4657
4658        memset(&payload, 0, sizeof(payload));
4659        rc = pm8001_tag_alloc(pm8001_ha, &tag);
4660        if (rc)
4661                PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("Invalid tag\n"));
4662        circularQ = &pm8001_ha->inbnd_q_tbl[0];
4663        payload.tag = cpu_to_le32(tag);
4664        payload.ppc_phyid = (((operation & 0xF) << 8) | (phyid  & 0xFF));
4665        PM8001_INIT_DBG(pm8001_ha,
4666                pm8001_printk(" phy profile command for phy %x ,length is %d\n",
4667                        payload.ppc_phyid, length));
4668        for (i = length; i < (length + PHY_DWORD_LENGTH - 1); i++) {
4669                payload.reserved[j] =  cpu_to_le32(*((u32 *)buf + i));
4670                j++;
4671        }
4672        rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4673        if (rc)
4674                pm8001_tag_free(pm8001_ha, tag);
4675}
4676
4677void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
4678        u32 length, u8 *buf)
4679{
4680        u32 i;
4681
4682        for (i = 0; i < pm8001_ha->chip->n_phy; i++) {
4683                mpi_set_phy_profile_req(pm8001_ha,
4684                        SAS_PHY_ANALOG_SETTINGS_PAGE, i, length, (u32 *)buf);
4685                length = length + PHY_DWORD_LENGTH;
4686        }
4687        PM8001_INIT_DBG(pm8001_ha, pm8001_printk("phy settings completed\n"));
4688}
4689
4690void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
4691                u32 phy, u32 length, u32 *buf)
4692{
4693        u32 tag, opc;
4694        int rc, i;
4695        struct set_phy_profile_req payload;
4696        struct inbound_queue_table *circularQ;
4697
4698        memset(&payload, 0, sizeof(payload));
4699
4700        rc = pm8001_tag_alloc(pm8001_ha, &tag);
4701        if (rc)
4702                PM8001_INIT_DBG(pm8001_ha, pm8001_printk("Invalid tag"));
4703
4704        circularQ = &pm8001_ha->inbnd_q_tbl[0];
4705        opc = OPC_INB_SET_PHY_PROFILE;
4706
4707        payload.tag = cpu_to_le32(tag);
4708        payload.ppc_phyid = (((SAS_PHY_ANALOG_SETTINGS_PAGE & 0xF) << 8)
4709                                | (phy & 0xFF));
4710
4711        for (i = 0; i < length; i++)
4712                payload.reserved[i] = cpu_to_le32(*(buf + i));
4713
4714        rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
4715        if (rc)
4716                pm8001_tag_free(pm8001_ha, tag);
4717
4718        PM8001_INIT_DBG(pm8001_ha,
4719                pm8001_printk("PHY %d settings applied", phy));
4720}
4721const struct pm8001_dispatch pm8001_80xx_dispatch = {
4722        .name                   = "pmc80xx",
4723        .chip_init              = pm80xx_chip_init,
4724        .chip_soft_rst          = pm80xx_chip_soft_rst,
4725        .chip_rst               = pm80xx_hw_chip_rst,
4726        .chip_iounmap           = pm8001_chip_iounmap,
4727        .isr                    = pm80xx_chip_isr,
4728        .is_our_interrupt       = pm80xx_chip_is_our_interrupt,
4729        .isr_process_oq         = process_oq,
4730        .interrupt_enable       = pm80xx_chip_interrupt_enable,
4731        .interrupt_disable      = pm80xx_chip_interrupt_disable,
4732        .make_prd               = pm8001_chip_make_sg,
4733        .smp_req                = pm80xx_chip_smp_req,
4734        .ssp_io_req             = pm80xx_chip_ssp_io_req,
4735        .sata_req               = pm80xx_chip_sata_req,
4736        .phy_start_req          = pm80xx_chip_phy_start_req,
4737        .phy_stop_req           = pm80xx_chip_phy_stop_req,
4738        .reg_dev_req            = pm80xx_chip_reg_dev_req,
4739        .dereg_dev_req          = pm8001_chip_dereg_dev_req,
4740        .phy_ctl_req            = pm80xx_chip_phy_ctl_req,
4741        .task_abort             = pm8001_chip_abort_task,
4742        .ssp_tm_req             = pm8001_chip_ssp_tm_req,
4743        .get_nvmd_req           = pm8001_chip_get_nvmd_req,
4744        .set_nvmd_req           = pm8001_chip_set_nvmd_req,
4745        .fw_flash_update_req    = pm8001_chip_fw_flash_update_req,
4746        .set_dev_state_req      = pm8001_chip_set_dev_state_req,
4747};
4748