drivers/scsi/pm8001/pm8001_hwi.c

   1 /*
   2  * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
   3  *
   4  * Copyright (c) 2008-2009 USI Co., Ltd.
   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 "pm8001_hwi.h"
  43  #include "pm8001_chips.h"
  44  #include "pm8001_ctl.h"
  45
  46 /**
  47  * read_main_config_table - read the configure table and save it.
  48  * @pm8001_ha: our hba card information
  49  */
  50 static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
  51 {
  52         void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
  53         pm8001_ha->main_cfg_tbl.pm8001_tbl.signature    =
  54                                 pm8001_mr32(address, 0x00);
  55         pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev =
  56                                 pm8001_mr32(address, 0x04);
  57         pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev =
  58                                 pm8001_mr32(address, 0x08);
  59         pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io   =
  60                                 pm8001_mr32(address, 0x0C);
  61         pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl      =
  62                                 pm8001_mr32(address, 0x10);
  63         pm8001_ha->main_cfg_tbl.pm8001_tbl.ctrl_cap_flag =
  64                                 pm8001_mr32(address, 0x14);
  65         pm8001_ha->main_cfg_tbl.pm8001_tbl.gst_offset   =
  66                                 pm8001_mr32(address, 0x18);
  67         pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_queue_offset =
  68                 pm8001_mr32(address, MAIN_IBQ_OFFSET);
  69         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_queue_offset =
  70                 pm8001_mr32(address, MAIN_OBQ_OFFSET);
  71         pm8001_ha->main_cfg_tbl.pm8001_tbl.hda_mode_flag        =
  72                 pm8001_mr32(address, MAIN_HDA_FLAGS_OFFSET);
  73
  74         /* read analog Setting offset from the configuration table */
  75         pm8001_ha->main_cfg_tbl.pm8001_tbl.anolog_setup_table_offset =
  76                 pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
  77
  78         /* read Error Dump Offset and Length */
  79         pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_offset0 =
  80                 pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
  81         pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_length0 =
  82                 pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
  83         pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_offset1 =
  84                 pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
  85         pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_length1 =
  86                 pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
  87 }
  88
  89 /**
  90  * read_general_status_table - read the general status table and save it.
  91  * @pm8001_ha: our hba card information
  92  */
  93 static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
  94 {
  95         void __iomem *address = pm8001_ha->general_stat_tbl_addr;
  96         pm8001_ha->gs_tbl.pm8001_tbl.gst_len_mpistate   =
  97                                 pm8001_mr32(address, 0x00);
  98         pm8001_ha->gs_tbl.pm8001_tbl.iq_freeze_state0   =
  99                                 pm8001_mr32(address, 0x04);
 100         pm8001_ha->gs_tbl.pm8001_tbl.iq_freeze_state1   =
 101                                 pm8001_mr32(address, 0x08);
 102         pm8001_ha->gs_tbl.pm8001_tbl.msgu_tcnt          =
 103                                 pm8001_mr32(address, 0x0C);
 104         pm8001_ha->gs_tbl.pm8001_tbl.iop_tcnt           =
 105                                 pm8001_mr32(address, 0x10);
 106         pm8001_ha->gs_tbl.pm8001_tbl.rsvd               =
 107                                 pm8001_mr32(address, 0x14);
 108         pm8001_ha->gs_tbl.pm8001_tbl.phy_state[0]       =
 109                                 pm8001_mr32(address, 0x18);
 110         pm8001_ha->gs_tbl.pm8001_tbl.phy_state[1]       =
 111                                 pm8001_mr32(address, 0x1C);
 112         pm8001_ha->gs_tbl.pm8001_tbl.phy_state[2]       =
 113                                 pm8001_mr32(address, 0x20);
 114         pm8001_ha->gs_tbl.pm8001_tbl.phy_state[3]       =
 115                                 pm8001_mr32(address, 0x24);
 116         pm8001_ha->gs_tbl.pm8001_tbl.phy_state[4]       =
 117                                 pm8001_mr32(address, 0x28);
 118         pm8001_ha->gs_tbl.pm8001_tbl.phy_state[5]       =
 119                                 pm8001_mr32(address, 0x2C);
 120         pm8001_ha->gs_tbl.pm8001_tbl.phy_state[6]       =
 121                                 pm8001_mr32(address, 0x30);
 122         pm8001_ha->gs_tbl.pm8001_tbl.phy_state[7]       =
 123                                 pm8001_mr32(address, 0x34);
 124         pm8001_ha->gs_tbl.pm8001_tbl.gpio_input_val     =
 125                                 pm8001_mr32(address, 0x38);
 126         pm8001_ha->gs_tbl.pm8001_tbl.rsvd1[0]           =
 127                                 pm8001_mr32(address, 0x3C);
 128         pm8001_ha->gs_tbl.pm8001_tbl.rsvd1[1]           =
 129                                 pm8001_mr32(address, 0x40);
 130         pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[0]        =
 131                                 pm8001_mr32(address, 0x44);
 132         pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[1]        =
 133                                 pm8001_mr32(address, 0x48);
 134         pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[2]        =
 135                                 pm8001_mr32(address, 0x4C);
 136         pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[3]        =
 137                                 pm8001_mr32(address, 0x50);
 138         pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[4]        =
 139                                 pm8001_mr32(address, 0x54);
 140         pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[5]        =
 141                                 pm8001_mr32(address, 0x58);
 142         pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[6]        =
 143                                 pm8001_mr32(address, 0x5C);
 144         pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[7]        =
 145                                 pm8001_mr32(address, 0x60);
 146 }
 147
 148 /**
 149  * read_inbnd_queue_table - read the inbound queue table and save it.
 150  * @pm8001_ha: our hba card information
 151  */
 152 static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
 153 {
 154         int i;
 155         void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
 156         for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
 157                 u32 offset = i * 0x20;
 158                 pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
 159                       get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
 160                 pm8001_ha->inbnd_q_tbl[i].pi_offset =
 161                         pm8001_mr32(address, (offset + 0x18));
 162         }
 163 }
 164
 165 /**
 166  * read_outbnd_queue_table - read the outbound queue table and save it.
 167  * @pm8001_ha: our hba card information
 168  */
 169 static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
 170 {
 171         int i;
 172         void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
 173         for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
 174                 u32 offset = i * 0x24;
 175                 pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
 176                       get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
 177                 pm8001_ha->outbnd_q_tbl[i].ci_offset =
 178                         pm8001_mr32(address, (offset + 0x18));
 179         }
 180 }
 181
 182 /**
 183  * init_default_table_values - init the default table.
 184  * @pm8001_ha: our hba card information
 185  */
 186 static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
 187 {
 188         int i;
 189         u32 offsetib, offsetob;
 190         void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
 191         void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
 192         u32 ib_offset = pm8001_ha->ib_offset;
 193         u32 ob_offset = pm8001_ha->ob_offset;
 194         u32 ci_offset = pm8001_ha->ci_offset;
 195         u32 pi_offset = pm8001_ha->pi_offset;
 196
 197         pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_q_nppd_hppd          = 0;
 198         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid0_3     = 0;
 199         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid4_7     = 0;
 200         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid0_3    = 0;
 201         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid4_7    = 0;
 202         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ITNexus_event_pid0_3 =
 203                                                                          0;
 204         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ITNexus_event_pid4_7 =
 205                                                                          0;
 206         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ssp_event_pid0_3 = 0;
 207         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ssp_event_pid4_7 = 0;
 208         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_smp_event_pid0_3 = 0;
 209         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_smp_event_pid4_7 = 0;
 210
 211         pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_event_log_addr         =
 212                 pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
 213         pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_event_log_addr         =
 214                 pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
 215         pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_size               =
 216                 PM8001_EVENT_LOG_SIZE;
 217         pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_option             = 0x01;
 218         pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_iop_event_log_addr     =
 219                 pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
 220         pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_iop_event_log_addr     =
 221                 pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
 222         pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_size           =
 223                 PM8001_EVENT_LOG_SIZE;
 224         pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option         = 0x01;
 225         pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt          = 0x01;
 226         for (i = 0; i < pm8001_ha->max_q_num; i++) {
 227                 pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt  =
 228                         PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
 229                 pm8001_ha->inbnd_q_tbl[i].upper_base_addr       =
 230                         pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_hi;
 231                 pm8001_ha->inbnd_q_tbl[i].lower_base_addr       =
 232                 pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_lo;
 233                 pm8001_ha->inbnd_q_tbl[i].base_virt             =
 234                   (u8 *)pm8001_ha->memoryMap.region[ib_offset + i].virt_ptr;
 235                 pm8001_ha->inbnd_q_tbl[i].total_length          =
 236                         pm8001_ha->memoryMap.region[ib_offset + i].total_len;
 237                 pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr    =
 238                         pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_hi;
 239                 pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr    =
 240                         pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_lo;
 241                 pm8001_ha->inbnd_q_tbl[i].ci_virt               =
 242                         pm8001_ha->memoryMap.region[ci_offset + i].virt_ptr;
 243                 pm8001_write_32(pm8001_ha->inbnd_q_tbl[i].ci_virt, 0, 0);
 244                 offsetib = i * 0x20;
 245                 pm8001_ha->inbnd_q_tbl[i].pi_pci_bar            =
 246                         get_pci_bar_index(pm8001_mr32(addressib,
 247                                 (offsetib + 0x14)));
 248                 pm8001_ha->inbnd_q_tbl[i].pi_offset             =
 249                         pm8001_mr32(addressib, (offsetib + 0x18));
 250                 pm8001_ha->inbnd_q_tbl[i].producer_idx          = 0;
 251                 pm8001_ha->inbnd_q_tbl[i].consumer_index        = 0;
 252         }
 253         for (i = 0; i < pm8001_ha->max_q_num; i++) {
 254                 pm8001_ha->outbnd_q_tbl[i].element_size_cnt     =
 255                         PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
 256                 pm8001_ha->outbnd_q_tbl[i].upper_base_addr      =
 257                         pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_hi;
 258                 pm8001_ha->outbnd_q_tbl[i].lower_base_addr      =
 259                         pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_lo;
 260                 pm8001_ha->outbnd_q_tbl[i].base_virt            =
 261                   (u8 *)pm8001_ha->memoryMap.region[ob_offset + i].virt_ptr;
 262                 pm8001_ha->outbnd_q_tbl[i].total_length         =
 263                         pm8001_ha->memoryMap.region[ob_offset + i].total_len;
 264                 pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr   =
 265                         pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_hi;
 266                 pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr   =
 267                         pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_lo;
 268                 pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay       =
 269                         0 | (10 << 16) | (i << 24);
 270                 pm8001_ha->outbnd_q_tbl[i].pi_virt              =
 271                         pm8001_ha->memoryMap.region[pi_offset + i].virt_ptr;
 272                 pm8001_write_32(pm8001_ha->outbnd_q_tbl[i].pi_virt, 0, 0);
 273                 offsetob = i * 0x24;
 274                 pm8001_ha->outbnd_q_tbl[i].ci_pci_bar           =
 275                         get_pci_bar_index(pm8001_mr32(addressob,
 276                         offsetob + 0x14));
 277                 pm8001_ha->outbnd_q_tbl[i].ci_offset            =
 278                         pm8001_mr32(addressob, (offsetob + 0x18));
 279                 pm8001_ha->outbnd_q_tbl[i].consumer_idx         = 0;
 280                 pm8001_ha->outbnd_q_tbl[i].producer_index       = 0;
 281         }
 282 }
 283
 284 /**
 285  * update_main_config_table - update the main default table to the HBA.
 286  * @pm8001_ha: our hba card information
 287  */
 288 static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
 289 {
 290         void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
 291         pm8001_mw32(address, 0x24,
 292                 pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_q_nppd_hppd);
 293         pm8001_mw32(address, 0x28,
 294                 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid0_3);
 295         pm8001_mw32(address, 0x2C,
 296                 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid4_7);
 297         pm8001_mw32(address, 0x30,
 298                 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid0_3);
 299         pm8001_mw32(address, 0x34,
 300                 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid4_7);
 301         pm8001_mw32(address, 0x38,
 302                 pm8001_ha->main_cfg_tbl.pm8001_tbl.
 303                                         outbound_tgt_ITNexus_event_pid0_3);
 304         pm8001_mw32(address, 0x3C,
 305                 pm8001_ha->main_cfg_tbl.pm8001_tbl.
 306                                         outbound_tgt_ITNexus_event_pid4_7);
 307         pm8001_mw32(address, 0x40,
 308                 pm8001_ha->main_cfg_tbl.pm8001_tbl.
 309                                         outbound_tgt_ssp_event_pid0_3);
 310         pm8001_mw32(address, 0x44,
 311                 pm8001_ha->main_cfg_tbl.pm8001_tbl.
 312                                         outbound_tgt_ssp_event_pid4_7);
 313         pm8001_mw32(address, 0x48,
 314                 pm8001_ha->main_cfg_tbl.pm8001_tbl.
 315                                         outbound_tgt_smp_event_pid0_3);
 316         pm8001_mw32(address, 0x4C,
 317                 pm8001_ha->main_cfg_tbl.pm8001_tbl.
 318                                         outbound_tgt_smp_event_pid4_7);
 319         pm8001_mw32(address, 0x50,
 320                 pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_event_log_addr);
 321         pm8001_mw32(address, 0x54,
 322                 pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_event_log_addr);
 323         pm8001_mw32(address, 0x58,
 324                 pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_size);
 325         pm8001_mw32(address, 0x5C,
 326                 pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_option);
 327         pm8001_mw32(address, 0x60,
 328                 pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_iop_event_log_addr);
 329         pm8001_mw32(address, 0x64,
 330                 pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_iop_event_log_addr);
 331         pm8001_mw32(address, 0x68,
 332                 pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_size);
 333         pm8001_mw32(address, 0x6C,
 334                 pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option);
 335         pm8001_mw32(address, 0x70,
 336                 pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt);
 337 }
 338
 339 /**
 340  * update_inbnd_queue_table - update the inbound queue table to the HBA.
 341  * @pm8001_ha: our hba card information
 342  * @number: entry in the queue
 343  */
 344 static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
 345                                      int number)
 346 {
 347         void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
 348         u16 offset = number * 0x20;
 349         pm8001_mw32(address, offset + 0x00,
 350                 pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
 351         pm8001_mw32(address, offset + 0x04,
 352                 pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
 353         pm8001_mw32(address, offset + 0x08,
 354                 pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
 355         pm8001_mw32(address, offset + 0x0C,
 356                 pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
 357         pm8001_mw32(address, offset + 0x10,
 358                 pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
 359 }
 360
 361 /**
 362  * update_outbnd_queue_table - update the outbound queue table to the HBA.
 363  * @pm8001_ha: our hba card information
 364  * @number: entry in the queue
 365  */
 366 static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
 367                                       int number)
 368 {
 369         void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
 370         u16 offset = number * 0x24;
 371         pm8001_mw32(address, offset + 0x00,
 372                 pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
 373         pm8001_mw32(address, offset + 0x04,
 374                 pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
 375         pm8001_mw32(address, offset + 0x08,
 376                 pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
 377         pm8001_mw32(address, offset + 0x0C,
 378                 pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
 379         pm8001_mw32(address, offset + 0x10,
 380                 pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
 381         pm8001_mw32(address, offset + 0x1C,
 382                 pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
 383 }
 384
 385 /**
 386  * pm8001_bar4_shift - function is called to shift BAR base address
 387  * @pm8001_ha : our hba card infomation
 388  * @shiftValue : shifting value in memory bar.
 389  */
 390 int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)
 391 {
 392         u32 regVal;
 393         unsigned long start;
 394
 395         /* program the inbound AXI translation Lower Address */
 396         pm8001_cw32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW, shiftValue);
 397
 398         /* confirm the setting is written */
 399         start = jiffies + HZ; /* 1 sec */
 400         do {
 401                 regVal = pm8001_cr32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW);
 402         } while ((regVal != shiftValue) && time_before(jiffies, start));
 403
 404         if (regVal != shiftValue) {
 405                 pm8001_dbg(pm8001_ha, INIT,
 406                            "TIMEOUT:SPC_IBW_AXI_TRANSLATION_LOW = 0x%x\n",
 407                            regVal);
 408                 return -1;
 409         }
 410         return 0;
 411 }
 412
 413 /**
 414  * mpi_set_phys_g3_with_ssc
 415  * @pm8001_ha: our hba card information
 416  * @SSCbit: set SSCbit to 0 to disable all phys ssc; 1 to enable all phys ssc.
 417  */
 418 static void mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha,
 419                                      u32 SSCbit)
 420 {
 421         u32 offset, i;
 422         unsigned long flags;
 423
 424 #define SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR 0x00030000
 425 #define SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR 0x00040000
 426 #define SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET 0x1074
 427 #define SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET 0x1074
 428 #define PHY_G3_WITHOUT_SSC_BIT_SHIFT 12
 429 #define PHY_G3_WITH_SSC_BIT_SHIFT 13
 430 #define SNW3_PHY_CAPABILITIES_PARITY 31
 431
 432    /*
 433     * Using shifted destination address 0x3_0000:0x1074 + 0x4000*N (N=0:3)
 434     * Using shifted destination address 0x4_0000:0x1074 + 0x4000*(N-4) (N=4:7)
 435     */
 436         spin_lock_irqsave(&pm8001_ha->lock, flags);
 437         if (-1 == pm8001_bar4_shift(pm8001_ha,
 438                                 SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR)) {
 439                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 440                 return;
 441         }
 442
 443         for (i = 0; i < 4; i++) {
 444                 offset = SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET + 0x4000 * i;
 445                 pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
 446         }
 447         /* shift membase 3 for SAS2_SETTINGS_LOCAL_PHY 4 - 7 */
 448         if (-1 == pm8001_bar4_shift(pm8001_ha,
 449                                 SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR)) {
 450                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 451                 return;
 452         }
 453         for (i = 4; i < 8; i++) {
 454                 offset = SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
 455                 pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
 456         }
 457         /*************************************************************
 458         Change the SSC upspreading value to 0x0 so that upspreading is disabled.
 459         Device MABC SMOD0 Controls
 460         Address: (via MEMBASE-III):
 461         Using shifted destination address 0x0_0000: with Offset 0xD8
 462
 463         31:28 R/W Reserved Do not change
 464         27:24 R/W SAS_SMOD_SPRDUP 0000
 465         23:20 R/W SAS_SMOD_SPRDDN 0000
 466         19:0  R/W  Reserved Do not change
 467         Upon power-up this register will read as 0x8990c016,
 468         and I would like you to change the SAS_SMOD_SPRDUP bits to 0b0000
 469         so that the written value will be 0x8090c016.
 470         This will ensure only down-spreading SSC is enabled on the SPC.
 471         *************************************************************/
 472         pm8001_cr32(pm8001_ha, 2, 0xd8);
 473         pm8001_cw32(pm8001_ha, 2, 0xd8, 0x8000C016);
 474
 475         /*set the shifted destination address to 0x0 to avoid error operation */
 476         pm8001_bar4_shift(pm8001_ha, 0x0);
 477         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 478         return;
 479 }
 480
 481 /**
 482  * mpi_set_open_retry_interval_reg
 483  * @pm8001_ha: our hba card information
 484  * @interval: interval time for each OPEN_REJECT (RETRY). The units are in 1us.
 485  */
 486 static void mpi_set_open_retry_interval_reg(struct pm8001_hba_info *pm8001_ha,
 487                                             u32 interval)
 488 {
 489         u32 offset;
 490         u32 value;
 491         u32 i;
 492         unsigned long flags;
 493
 494 #define OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR 0x00030000
 495 #define OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR 0x00040000
 496 #define OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET 0x30B4
 497 #define OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET 0x30B4
 498 #define OPEN_RETRY_INTERVAL_REG_MASK 0x0000FFFF
 499
 500         value = interval & OPEN_RETRY_INTERVAL_REG_MASK;
 501         spin_lock_irqsave(&pm8001_ha->lock, flags);
 502         /* shift bar and set the OPEN_REJECT(RETRY) interval time of PHY 0 -3.*/
 503         if (-1 == pm8001_bar4_shift(pm8001_ha,
 504                              OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR)) {
 505                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 506                 return;
 507         }
 508         for (i = 0; i < 4; i++) {
 509                 offset = OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET + 0x4000 * i;
 510                 pm8001_cw32(pm8001_ha, 2, offset, value);
 511         }
 512
 513         if (-1 == pm8001_bar4_shift(pm8001_ha,
 514                              OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR)) {
 515                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 516                 return;
 517         }
 518         for (i = 4; i < 8; i++) {
 519                 offset = OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
 520                 pm8001_cw32(pm8001_ha, 2, offset, value);
 521         }
 522         /*set the shifted destination address to 0x0 to avoid error operation */
 523         pm8001_bar4_shift(pm8001_ha, 0x0);
 524         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 525         return;
 526 }
 527
 528 /**
 529  * mpi_init_check - check firmware initialization status.
 530  * @pm8001_ha: our hba card information
 531  */
 532 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
 533 {
 534         u32 max_wait_count;
 535         u32 value;
 536         u32 gst_len_mpistate;
 537         /* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
 538         table is updated */
 539         pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_UPDATE);
 540         /* wait until Inbound DoorBell Clear Register toggled */
 541         max_wait_count = 1 * 1000 * 1000;/* 1 sec */
 542         do {
 543                 udelay(1);
 544                 value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
 545                 value &= SPC_MSGU_CFG_TABLE_UPDATE;
 546         } while ((value != 0) && (--max_wait_count));
 547
 548         if (!max_wait_count)
 549                 return -1;
 550         /* check the MPI-State for initialization */
 551         gst_len_mpistate =
 552                 pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
 553                 GST_GSTLEN_MPIS_OFFSET);
 554         if (GST_MPI_STATE_INIT != (gst_len_mpistate & GST_MPI_STATE_MASK))
 555                 return -1;
 556         /* check MPI Initialization error */
 557         gst_len_mpistate = gst_len_mpistate >> 16;
 558         if (0x0000 != gst_len_mpistate)
 559                 return -1;
 560         return 0;
 561 }
 562
 563 /**
 564  * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
 565  * @pm8001_ha: our hba card information
 566  */
 567 static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
 568 {
 569         u32 value, value1;
 570         u32 max_wait_count;
 571         /* check error state */
 572         value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
 573         value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
 574         /* check AAP error */
 575         if (SCRATCH_PAD1_ERR == (value & SCRATCH_PAD_STATE_MASK)) {
 576                 /* error state */
 577                 value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
 578                 return -1;
 579         }
 580
 581         /* check IOP error */
 582         if (SCRATCH_PAD2_ERR == (value1 & SCRATCH_PAD_STATE_MASK)) {
 583                 /* error state */
 584                 value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
 585                 return -1;
 586         }
 587
 588         /* bit 4-31 of scratch pad1 should be zeros if it is not
 589         in error state*/
 590         if (value & SCRATCH_PAD1_STATE_MASK) {
 591                 /* error case */
 592                 pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
 593                 return -1;
 594         }
 595
 596         /* bit 2, 4-31 of scratch pad2 should be zeros if it is not
 597         in error state */
 598         if (value1 & SCRATCH_PAD2_STATE_MASK) {
 599                 /* error case */
 600                 return -1;
 601         }
 602
 603         max_wait_count = 1 * 1000 * 1000;/* 1 sec timeout */
 604
 605         /* wait until scratch pad 1 and 2 registers in ready state  */
 606         do {
 607                 udelay(1);
 608                 value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
 609                         & SCRATCH_PAD1_RDY;
 610                 value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
 611                         & SCRATCH_PAD2_RDY;
 612                 if ((--max_wait_count) == 0)
 613                         return -1;
 614         } while ((value != SCRATCH_PAD1_RDY) || (value1 != SCRATCH_PAD2_RDY));
 615         return 0;
 616 }
 617
 618 static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
 619 {
 620         void __iomem *base_addr;
 621         u32     value;
 622         u32     offset;
 623         u32     pcibar;
 624         u32     pcilogic;
 625
 626         value = pm8001_cr32(pm8001_ha, 0, 0x44);
 627         offset = value & 0x03FFFFFF;
 628         pm8001_dbg(pm8001_ha, INIT, "Scratchpad 0 Offset: %x\n", offset);
 629         pcilogic = (value & 0xFC000000) >> 26;
 630         pcibar = get_pci_bar_index(pcilogic);
 631         pm8001_dbg(pm8001_ha, INIT, "Scratchpad 0 PCI BAR: %d\n", pcibar);
 632         pm8001_ha->main_cfg_tbl_addr = base_addr =
 633                 pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
 634         pm8001_ha->general_stat_tbl_addr =
 635                 base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x18);
 636         pm8001_ha->inbnd_q_tbl_addr =
 637                 base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C);
 638         pm8001_ha->outbnd_q_tbl_addr =
 639                 base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x20);
 640 }
 641
 642 /**
 643  * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
 644  * @pm8001_ha: our hba card information
 645  */
 646 static int pm8001_chip_init(struct pm8001_hba_info *pm8001_ha)
 647 {
 648         u32 i = 0;
 649         u16 deviceid;
 650         pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
 651         /* 8081 controllers need BAR shift to access MPI space
 652         * as this is shared with BIOS data */
 653         if (deviceid == 0x8081 || deviceid == 0x0042) {
 654                 if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
 655                         pm8001_dbg(pm8001_ha, FAIL,
 656                                    "Shift Bar4 to 0x%x failed\n",
 657                                    GSM_SM_BASE);
 658                         return -1;
 659                 }
 660         }
 661         /* check the firmware status */
 662         if (-1 == check_fw_ready(pm8001_ha)) {
 663                 pm8001_dbg(pm8001_ha, FAIL, "Firmware is not ready!\n");
 664                 return -EBUSY;
 665         }
 666
 667         /* Initialize pci space address eg: mpi offset */
 668         init_pci_device_addresses(pm8001_ha);
 669         init_default_table_values(pm8001_ha);
 670         read_main_config_table(pm8001_ha);
 671         read_general_status_table(pm8001_ha);
 672         read_inbnd_queue_table(pm8001_ha);
 673         read_outbnd_queue_table(pm8001_ha);
 674         /* update main config table ,inbound table and outbound table */
 675         update_main_config_table(pm8001_ha);
 676         for (i = 0; i < pm8001_ha->max_q_num; i++)
 677                 update_inbnd_queue_table(pm8001_ha, i);
 678         for (i = 0; i < pm8001_ha->max_q_num; i++)
 679                 update_outbnd_queue_table(pm8001_ha, i);
 680         /* 8081 controller donot require these operations */
 681         if (deviceid != 0x8081 && deviceid != 0x0042) {
 682                 mpi_set_phys_g3_with_ssc(pm8001_ha, 0);
 683                 /* 7->130ms, 34->500ms, 119->1.5s */
 684                 mpi_set_open_retry_interval_reg(pm8001_ha, 119);
 685         }
 686         /* notify firmware update finished and check initialization status */
 687         if (0 == mpi_init_check(pm8001_ha)) {
 688                 pm8001_dbg(pm8001_ha, INIT, "MPI initialize successful!\n");
 689         } else
 690                 return -EBUSY;
 691         /*This register is a 16-bit timer with a resolution of 1us. This is the
 692         timer used for interrupt delay/coalescing in the PCIe Application Layer.
 693         Zero is not a valid value. A value of 1 in the register will cause the
 694         interrupts to be normal. A value greater than 1 will cause coalescing
 695         delays.*/
 696         pm8001_cw32(pm8001_ha, 1, 0x0033c0, 0x1);
 697         pm8001_cw32(pm8001_ha, 1, 0x0033c4, 0x0);
 698         return 0;
 699 }
 700
 701 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
 702 {
 703         u32 max_wait_count;
 704         u32 value;
 705         u32 gst_len_mpistate;
 706         u16 deviceid;
 707         pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
 708         if (deviceid == 0x8081 || deviceid == 0x0042) {
 709                 if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
 710                         pm8001_dbg(pm8001_ha, FAIL,
 711                                    "Shift Bar4 to 0x%x failed\n",
 712                                    GSM_SM_BASE);
 713                         return -1;
 714                 }
 715         }
 716         init_pci_device_addresses(pm8001_ha);
 717         /* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
 718         table is stop */
 719         pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_RESET);
 720
 721         /* wait until Inbound DoorBell Clear Register toggled */
 722         max_wait_count = 1 * 1000 * 1000;/* 1 sec */
 723         do {
 724                 udelay(1);
 725                 value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
 726                 value &= SPC_MSGU_CFG_TABLE_RESET;
 727         } while ((value != 0) && (--max_wait_count));
 728
 729         if (!max_wait_count) {
 730                 pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:IBDB value/=0x%x\n",
 731                            value);
 732                 return -1;
 733         }
 734
 735         /* check the MPI-State for termination in progress */
 736         /* wait until Inbound DoorBell Clear Register toggled */
 737         max_wait_count = 1 * 1000 * 1000;  /* 1 sec */
 738         do {
 739                 udelay(1);
 740                 gst_len_mpistate =
 741                         pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
 742                         GST_GSTLEN_MPIS_OFFSET);
 743                 if (GST_MPI_STATE_UNINIT ==
 744                         (gst_len_mpistate & GST_MPI_STATE_MASK))
 745                         break;
 746         } while (--max_wait_count);
 747         if (!max_wait_count) {
 748                 pm8001_dbg(pm8001_ha, FAIL, " TIME OUT MPI State = 0x%x\n",
 749                            gst_len_mpistate & GST_MPI_STATE_MASK);
 750                 return -1;
 751         }
 752         return 0;
 753 }
 754
 755 /**
 756  * soft_reset_ready_check - Function to check FW is ready for soft reset.
 757  * @pm8001_ha: our hba card information
 758  */
 759 static u32 soft_reset_ready_check(struct pm8001_hba_info *pm8001_ha)
 760 {
 761         u32 regVal, regVal1, regVal2;
 762         if (mpi_uninit_check(pm8001_ha) != 0) {
 763                 pm8001_dbg(pm8001_ha, FAIL, "MPI state is not ready\n");
 764                 return -1;
 765         }
 766         /* read the scratch pad 2 register bit 2 */
 767         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
 768                 & SCRATCH_PAD2_FWRDY_RST;
 769         if (regVal == SCRATCH_PAD2_FWRDY_RST) {
 770                 pm8001_dbg(pm8001_ha, INIT, "Firmware is ready for reset.\n");
 771         } else {
 772                 unsigned long flags;
 773                 /* Trigger NMI twice via RB6 */
 774                 spin_lock_irqsave(&pm8001_ha->lock, flags);
 775                 if (-1 == pm8001_bar4_shift(pm8001_ha, RB6_ACCESS_REG)) {
 776                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 777                         pm8001_dbg(pm8001_ha, FAIL,
 778                                    "Shift Bar4 to 0x%x failed\n",
 779                                    RB6_ACCESS_REG);
 780                         return -1;
 781                 }
 782                 pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET,
 783                         RB6_MAGIC_NUMBER_RST);
 784                 pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET, RB6_MAGIC_NUMBER_RST);
 785                 /* wait for 100 ms */
 786                 mdelay(100);
 787                 regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2) &
 788                         SCRATCH_PAD2_FWRDY_RST;
 789                 if (regVal != SCRATCH_PAD2_FWRDY_RST) {
 790                         regVal1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
 791                         regVal2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
 792                         pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:MSGU_SCRATCH_PAD1=0x%x, MSGU_SCRATCH_PAD2=0x%x\n",
 793                                    regVal1, regVal2);
 794                         pm8001_dbg(pm8001_ha, FAIL,
 795                                    "SCRATCH_PAD0 value = 0x%x\n",
 796                                    pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0));
 797                         pm8001_dbg(pm8001_ha, FAIL,
 798                                    "SCRATCH_PAD3 value = 0x%x\n",
 799                                    pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3));
 800                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 801                         return -1;
 802                 }
 803                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 804         }
 805         return 0;
 806 }
 807
 808 /**
 809  * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
 810  * the FW register status to the originated status.
 811  * @pm8001_ha: our hba card information
 812  */
 813 static int
 814 pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
 815 {
 816         u32     regVal, toggleVal;
 817         u32     max_wait_count;
 818         u32     regVal1, regVal2, regVal3;
 819         u32     signature = 0x252acbcd; /* for host scratch pad0 */
 820         unsigned long flags;
 821
 822         /* step1: Check FW is ready for soft reset */
 823         if (soft_reset_ready_check(pm8001_ha) != 0) {
 824                 pm8001_dbg(pm8001_ha, FAIL, "FW is not ready\n");
 825                 return -1;
 826         }
 827
 828         /* step 2: clear NMI status register on AAP1 and IOP, write the same
 829         value to clear */
 830         /* map 0x60000 to BAR4(0x20), BAR2(win) */
 831         spin_lock_irqsave(&pm8001_ha->lock, flags);
 832         if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_AAP1_ADDR_BASE)) {
 833                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 834                 pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
 835                            MBIC_AAP1_ADDR_BASE);
 836                 return -1;
 837         }
 838         regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP);
 839         pm8001_dbg(pm8001_ha, INIT, "MBIC - NMI Enable VPE0 (IOP)= 0x%x\n",
 840                    regVal);
 841         pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP, 0x0);
 842         /* map 0x70000 to BAR4(0x20), BAR2(win) */
 843         if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_IOP_ADDR_BASE)) {
 844                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 845                 pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
 846                            MBIC_IOP_ADDR_BASE);
 847                 return -1;
 848         }
 849         regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1);
 850         pm8001_dbg(pm8001_ha, INIT, "MBIC - NMI Enable VPE0 (AAP1)= 0x%x\n",
 851                    regVal);
 852         pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1, 0x0);
 853
 854         regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE);
 855         pm8001_dbg(pm8001_ha, INIT, "PCIE -Event Interrupt Enable = 0x%x\n",
 856                    regVal);
 857         pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE, 0x0);
 858
 859         regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT);
 860         pm8001_dbg(pm8001_ha, INIT, "PCIE - Event Interrupt  = 0x%x\n",
 861                    regVal);
 862         pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT, regVal);
 863
 864         regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE);
 865         pm8001_dbg(pm8001_ha, INIT, "PCIE -Error Interrupt Enable = 0x%x\n",
 866                    regVal);
 867         pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE, 0x0);
 868
 869         regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT);
 870         pm8001_dbg(pm8001_ha, INIT, "PCIE - Error Interrupt = 0x%x\n", regVal);
 871         pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT, regVal);
 872
 873         /* read the scratch pad 1 register bit 2 */
 874         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
 875                 & SCRATCH_PAD1_RST;
 876         toggleVal = regVal ^ SCRATCH_PAD1_RST;
 877
 878         /* set signature in host scratch pad0 register to tell SPC that the
 879         host performs the soft reset */
 880         pm8001_cw32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0, signature);
 881
 882         /* read required registers for confirmming */
 883         /* map 0x0700000 to BAR4(0x20), BAR2(win) */
 884         if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
 885                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 886                 pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
 887                            GSM_ADDR_BASE);
 888                 return -1;
 889         }
 890         pm8001_dbg(pm8001_ha, INIT,
 891                    "GSM 0x0(0x00007b88)-GSM Configuration and Reset = 0x%x\n",
 892                    pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
 893
 894         /* step 3: host read GSM Configuration and Reset register */
 895         regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
 896         /* Put those bits to low */
 897         /* GSM XCBI offset = 0x70 0000
 898         0x00 Bit 13 COM_SLV_SW_RSTB 1
 899         0x00 Bit 12 QSSP_SW_RSTB 1
 900         0x00 Bit 11 RAAE_SW_RSTB 1
 901         0x00 Bit 9 RB_1_SW_RSTB 1
 902         0x00 Bit 8 SM_SW_RSTB 1
 903         */
 904         regVal &= ~(0x00003b00);
 905         /* host write GSM Configuration and Reset register */
 906         pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
 907         pm8001_dbg(pm8001_ha, INIT,
 908                    "GSM 0x0 (0x00007b88 ==> 0x00004088) - GSM Configuration and Reset is set to = 0x%x\n",
 909                    pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
 910
 911         /* step 4: */
 912         /* disable GSM - Read Address Parity Check */
 913         regVal1 = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
 914         pm8001_dbg(pm8001_ha, INIT,
 915                    "GSM 0x700038 - Read Address Parity Check Enable = 0x%x\n",
 916                    regVal1);
 917         pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, 0x0);
 918         pm8001_dbg(pm8001_ha, INIT,
 919                    "GSM 0x700038 - Read Address Parity Check Enable is set to = 0x%x\n",
 920                    pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK));
 921
 922         /* disable GSM - Write Address Parity Check */
 923         regVal2 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
 924         pm8001_dbg(pm8001_ha, INIT,
 925                    "GSM 0x700040 - Write Address Parity Check Enable = 0x%x\n",
 926                    regVal2);
 927         pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, 0x0);
 928         pm8001_dbg(pm8001_ha, INIT,
 929                    "GSM 0x700040 - Write Address Parity Check Enable is set to = 0x%x\n",
 930                    pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK));
 931
 932         /* disable GSM - Write Data Parity Check */
 933         regVal3 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
 934         pm8001_dbg(pm8001_ha, INIT, "GSM 0x300048 - Write Data Parity Check Enable = 0x%x\n",
 935                    regVal3);
 936         pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, 0x0);
 937         pm8001_dbg(pm8001_ha, INIT,
 938                    "GSM 0x300048 - Write Data Parity Check Enable is set to = 0x%x\n",
 939                    pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK));
 940
 941         /* step 5: delay 10 usec */
 942         udelay(10);
 943         /* step 5-b: set GPIO-0 output control to tristate anyway */
 944         if (-1 == pm8001_bar4_shift(pm8001_ha, GPIO_ADDR_BASE)) {
 945                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 946                 pm8001_dbg(pm8001_ha, INIT, "Shift Bar4 to 0x%x failed\n",
 947                            GPIO_ADDR_BASE);
 948                 return -1;
 949         }
 950         regVal = pm8001_cr32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET);
 951         pm8001_dbg(pm8001_ha, INIT, "GPIO Output Control Register: = 0x%x\n",
 952                    regVal);
 953         /* set GPIO-0 output control to tri-state */
 954         regVal &= 0xFFFFFFFC;
 955         pm8001_cw32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET, regVal);
 956
 957         /* Step 6: Reset the IOP and AAP1 */
 958         /* map 0x00000 to BAR4(0x20), BAR2(win) */
 959         if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
 960                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 961                 pm8001_dbg(pm8001_ha, FAIL, "SPC Shift Bar4 to 0x%x failed\n",
 962                            SPC_TOP_LEVEL_ADDR_BASE);
 963                 return -1;
 964         }
 965         regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 966         pm8001_dbg(pm8001_ha, INIT, "Top Register before resetting IOP/AAP1:= 0x%x\n",
 967                    regVal);
 968         regVal &= ~(SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
 969         pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 970
 971         /* step 7: Reset the BDMA/OSSP */
 972         regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 973         pm8001_dbg(pm8001_ha, INIT, "Top Register before resetting BDMA/OSSP: = 0x%x\n",
 974                    regVal);
 975         regVal &= ~(SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
 976         pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 977
 978         /* step 8: delay 10 usec */
 979         udelay(10);
 980
 981         /* step 9: bring the BDMA and OSSP out of reset */
 982         regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 983         pm8001_dbg(pm8001_ha, INIT,
 984                    "Top Register before bringing up BDMA/OSSP:= 0x%x\n",
 985                    regVal);
 986         regVal |= (SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
 987         pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 988
 989         /* step 10: delay 10 usec */
 990         udelay(10);
 991
 992         /* step 11: reads and sets the GSM Configuration and Reset Register */
 993         /* map 0x0700000 to BAR4(0x20), BAR2(win) */
 994         if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
 995                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 996                 pm8001_dbg(pm8001_ha, FAIL, "SPC Shift Bar4 to 0x%x failed\n",
 997                            GSM_ADDR_BASE);
 998                 return -1;
 999         }
1000         pm8001_dbg(pm8001_ha, INIT,
1001                    "GSM 0x0 (0x00007b88)-GSM Configuration and Reset = 0x%x\n",
1002                    pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
1003         regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
1004         /* Put those bits to high */
1005         /* GSM XCBI offset = 0x70 0000
1006         0x00 Bit 13 COM_SLV_SW_RSTB 1
1007         0x00 Bit 12 QSSP_SW_RSTB 1
1008         0x00 Bit 11 RAAE_SW_RSTB 1
1009         0x00 Bit 9   RB_1_SW_RSTB 1
1010         0x00 Bit 8   SM_SW_RSTB 1
1011         */
1012         regVal |= (GSM_CONFIG_RESET_VALUE);
1013         pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
1014         pm8001_dbg(pm8001_ha, INIT, "GSM (0x00004088 ==> 0x00007b88) - GSM Configuration and Reset is set to = 0x%x\n",
1015                    pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
1016
1017         /* step 12: Restore GSM - Read Address Parity Check */
1018         regVal = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
1019         /* just for debugging */
1020         pm8001_dbg(pm8001_ha, INIT,
1021                    "GSM 0x700038 - Read Address Parity Check Enable = 0x%x\n",
1022                    regVal);
1023         pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, regVal1);
1024         pm8001_dbg(pm8001_ha, INIT, "GSM 0x700038 - Read Address Parity Check Enable is set to = 0x%x\n",
1025                    pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK));
1026         /* Restore GSM - Write Address Parity Check */
1027         regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
1028         pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, regVal2);
1029         pm8001_dbg(pm8001_ha, INIT,
1030                    "GSM 0x700040 - Write Address Parity Check Enable is set to = 0x%x\n",
1031                    pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK));
1032         /* Restore GSM - Write Data Parity Check */
1033         regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
1034         pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, regVal3);
1035         pm8001_dbg(pm8001_ha, INIT,
1036                    "GSM 0x700048 - Write Data Parity Check Enable is set to = 0x%x\n",
1037                    pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK));
1038
1039         /* step 13: bring the IOP and AAP1 out of reset */
1040         /* map 0x00000 to BAR4(0x20), BAR2(win) */
1041         if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
1042                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1043                 pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
1044                            SPC_TOP_LEVEL_ADDR_BASE);
1045                 return -1;
1046         }
1047         regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
1048         regVal |= (SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
1049         pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
1050
1051         /* step 14: delay 10 usec - Normal Mode */
1052         udelay(10);
1053         /* check Soft Reset Normal mode or Soft Reset HDA mode */
1054         if (signature == SPC_SOFT_RESET_SIGNATURE) {
1055                 /* step 15 (Normal Mode): wait until scratch pad1 register
1056                 bit 2 toggled */
1057                 max_wait_count = 2 * 1000 * 1000;/* 2 sec */
1058                 do {
1059                         udelay(1);
1060                         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1061                                 SCRATCH_PAD1_RST;
1062                 } while ((regVal != toggleVal) && (--max_wait_count));
1063
1064                 if (!max_wait_count) {
1065                         regVal = pm8001_cr32(pm8001_ha, 0,
1066                                 MSGU_SCRATCH_PAD_1);
1067                         pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT : ToggleVal 0x%x,MSGU_SCRATCH_PAD1 = 0x%x\n",
1068                                    toggleVal, regVal);
1069                         pm8001_dbg(pm8001_ha, FAIL,
1070                                    "SCRATCH_PAD0 value = 0x%x\n",
1071                                    pm8001_cr32(pm8001_ha, 0,
1072                                                MSGU_SCRATCH_PAD_0));
1073                         pm8001_dbg(pm8001_ha, FAIL,
1074                                    "SCRATCH_PAD2 value = 0x%x\n",
1075                                    pm8001_cr32(pm8001_ha, 0,
1076                                                MSGU_SCRATCH_PAD_2));
1077                         pm8001_dbg(pm8001_ha, FAIL,
1078                                    "SCRATCH_PAD3 value = 0x%x\n",
1079                                    pm8001_cr32(pm8001_ha, 0,
1080                                                MSGU_SCRATCH_PAD_3));
1081                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1082                         return -1;
1083                 }
1084
1085                 /* step 16 (Normal) - Clear ODMR and ODCR */
1086                 pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1087                 pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1088
1089                 /* step 17 (Normal Mode): wait for the FW and IOP to get
1090                 ready - 1 sec timeout */
1091                 /* Wait for the SPC Configuration Table to be ready */
1092                 if (check_fw_ready(pm8001_ha) == -1) {
1093                         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1094                         /* return error if MPI Configuration Table not ready */
1095                         pm8001_dbg(pm8001_ha, INIT,
1096                                    "FW not ready SCRATCH_PAD1 = 0x%x\n",
1097                                    regVal);
1098                         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1099                         /* return error if MPI Configuration Table not ready */
1100                         pm8001_dbg(pm8001_ha, INIT,
1101                                    "FW not ready SCRATCH_PAD2 = 0x%x\n",
1102                                    regVal);
1103                         pm8001_dbg(pm8001_ha, INIT,
1104                                    "SCRATCH_PAD0 value = 0x%x\n",
1105                                    pm8001_cr32(pm8001_ha, 0,
1106                                                MSGU_SCRATCH_PAD_0));
1107                         pm8001_dbg(pm8001_ha, INIT,
1108                                    "SCRATCH_PAD3 value = 0x%x\n",
1109                                    pm8001_cr32(pm8001_ha, 0,
1110                                                MSGU_SCRATCH_PAD_3));
1111                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1112                         return -1;
1113                 }
1114         }
1115         pm8001_bar4_shift(pm8001_ha, 0);
1116         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1117
1118         pm8001_dbg(pm8001_ha, INIT, "SPC soft reset Complete\n");
1119         return 0;
1120 }
1121
1122 static void pm8001_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1123 {
1124         u32 i;
1125         u32 regVal;
1126         pm8001_dbg(pm8001_ha, INIT, "chip reset start\n");
1127
1128         /* do SPC chip reset. */
1129         regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1130         regVal &= ~(SPC_REG_RESET_DEVICE);
1131         pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1132
1133         /* delay 10 usec */
1134         udelay(10);
1135
1136         /* bring chip reset out of reset */
1137         regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1138         regVal |= SPC_REG_RESET_DEVICE;
1139         pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1140
1141         /* delay 10 usec */
1142         udelay(10);
1143
1144         /* wait for 20 msec until the firmware gets reloaded */
1145         i = 20;
1146         do {
1147                 mdelay(1);
1148         } while ((--i) != 0);
1149
1150         pm8001_dbg(pm8001_ha, INIT, "chip reset finished\n");
1151 }
1152
1153 /**
1154  * pm8001_chip_iounmap - which maped when initialized.
1155  * @pm8001_ha: our hba card information
1156  */
1157 void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha)
1158 {
1159         s8 bar, logical = 0;
1160         for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) {
1161                 /*
1162                 ** logical BARs for SPC:
1163                 ** bar 0 and 1 - logical BAR0
1164                 ** bar 2 and 3 - logical BAR1
1165                 ** bar4 - logical BAR2
1166                 ** bar5 - logical BAR3
1167                 ** Skip the appropriate assignments:
1168                 */
1169                 if ((bar == 1) || (bar == 3))
1170                         continue;
1171                 if (pm8001_ha->io_mem[logical].memvirtaddr) {
1172                         iounmap(pm8001_ha->io_mem[logical].memvirtaddr);
1173                         logical++;
1174                 }
1175         }
1176 }
1177
1178 #ifndef PM8001_USE_MSIX
1179 /**
1180  * pm8001_chip_intx_interrupt_enable - enable PM8001 chip interrupt
1181  * @pm8001_ha: our hba card information
1182  */
1183 static void
1184 pm8001_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1185 {
1186         pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1187         pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1188 }
1189
1190  /**
1191   * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1192   * @pm8001_ha: our hba card information
1193   */
1194 static void
1195 pm8001_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1196 {
1197         pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_MASK_ALL);
1198 }
1199
1200 #else
1201
1202 /**
1203  * pm8001_chip_msix_interrupt_enable - enable PM8001 chip interrupt
1204  * @pm8001_ha: our hba card information
1205  * @int_vec_idx: interrupt number to enable
1206  */
1207 static void
1208 pm8001_chip_msix_interrupt_enable(struct pm8001_hba_info *pm8001_ha,
1209         u32 int_vec_idx)
1210 {
1211         u32 msi_index;
1212         u32 value;
1213         msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1214         msi_index += MSIX_TABLE_BASE;
1215         pm8001_cw32(pm8001_ha, 0, msi_index, MSIX_INTERRUPT_ENABLE);
1216         value = (1 << int_vec_idx);
1217         pm8001_cw32(pm8001_ha, 0,  MSGU_ODCR, value);
1218
1219 }
1220
1221 /**
1222  * pm8001_chip_msix_interrupt_disable - disable PM8001 chip interrupt
1223  * @pm8001_ha: our hba card information
1224  * @int_vec_idx: interrupt number to disable
1225  */
1226 static void
1227 pm8001_chip_msix_interrupt_disable(struct pm8001_hba_info *pm8001_ha,
1228         u32 int_vec_idx)
1229 {
1230         u32 msi_index;
1231         msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1232         msi_index += MSIX_TABLE_BASE;
1233         pm8001_cw32(pm8001_ha, 0,  msi_index, MSIX_INTERRUPT_DISABLE);
1234 }
1235 #endif
1236
1237 /**
1238  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1239  * @pm8001_ha: our hba card information
1240  * @vec: unused
1241  */
1242 static void
1243 pm8001_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1244 {
1245 #ifdef PM8001_USE_MSIX
1246         pm8001_chip_msix_interrupt_enable(pm8001_ha, 0);
1247 #else
1248         pm8001_chip_intx_interrupt_enable(pm8001_ha);
1249 #endif
1250 }
1251
1252 /**
1253  * pm8001_chip_interrupt_disable - disable PM8001 chip interrupt
1254  * @pm8001_ha: our hba card information
1255  * @vec: unused
1256  */
1257 static void
1258 pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1259 {
1260 #ifdef PM8001_USE_MSIX
1261         pm8001_chip_msix_interrupt_disable(pm8001_ha, 0);
1262 #else
1263         pm8001_chip_intx_interrupt_disable(pm8001_ha);
1264 #endif
1265 }
1266
1267 /**
1268  * pm8001_mpi_msg_free_get - get the free message buffer for transfer
1269  * inbound queue.
1270  * @circularQ: the inbound queue  we want to transfer to HBA.
1271  * @messageSize: the message size of this transfer, normally it is 64 bytes
1272  * @messagePtr: the pointer to message.
1273  */
1274 int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
1275                             u16 messageSize, void **messagePtr)
1276 {
1277         u32 offset, consumer_index;
1278         struct mpi_msg_hdr *msgHeader;
1279         u8 bcCount = 1; /* only support single buffer */
1280
1281         /* Checks is the requested message size can be allocated in this queue*/
1282         if (messageSize > IOMB_SIZE_SPCV) {
1283                 *messagePtr = NULL;
1284                 return -1;
1285         }
1286
1287         /* Stores the new consumer index */
1288         consumer_index = pm8001_read_32(circularQ->ci_virt);
1289         circularQ->consumer_index = cpu_to_le32(consumer_index);
1290         if (((circularQ->producer_idx + bcCount) % PM8001_MPI_QUEUE) ==
1291                 le32_to_cpu(circularQ->consumer_index)) {
1292                 *messagePtr = NULL;
1293                 return -1;
1294         }
1295         /* get memory IOMB buffer address */
1296         offset = circularQ->producer_idx * messageSize;
1297         /* increment to next bcCount element */
1298         circularQ->producer_idx = (circularQ->producer_idx + bcCount)
1299                                 % PM8001_MPI_QUEUE;
1300         /* Adds that distance to the base of the region virtual address plus
1301         the message header size*/
1302         msgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt + offset);
1303         *messagePtr = ((void *)msgHeader) + sizeof(struct mpi_msg_hdr);
1304         return 0;
1305 }
1306
1307 /**
1308  * pm8001_mpi_build_cmd- build the message queue for transfer, update the PI to
1309  * FW to tell the fw to get this message from IOMB.
1310  * @pm8001_ha: our hba card information
1311  * @circularQ: the inbound queue we want to transfer to HBA.
1312  * @opCode: the operation code represents commands which LLDD and fw recognized.
1313  * @payload: the command payload of each operation command.
1314  * @nb: size in bytes of the command payload
1315  * @responseQueue: queue to interrupt on w/ command response (if any)
1316  */
1317 int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
1318                          struct inbound_queue_table *circularQ,
1319                          u32 opCode, void *payload, size_t nb,
1320                          u32 responseQueue)
1321 {
1322         u32 Header = 0, hpriority = 0, bc = 1, category = 0x02;
1323         void *pMessage;
1324         unsigned long flags;
1325         int q_index = circularQ - pm8001_ha->inbnd_q_tbl;
1326         int rv = -1;
1327
1328         WARN_ON(q_index >= PM8001_MAX_INB_NUM);
1329         spin_lock_irqsave(&circularQ->iq_lock, flags);
1330         rv = pm8001_mpi_msg_free_get(circularQ, pm8001_ha->iomb_size,
1331                         &pMessage);
1332         if (rv < 0) {
1333                 pm8001_dbg(pm8001_ha, IO, "No free mpi buffer\n");
1334                 rv = -ENOMEM;
1335                 goto done;
1336         }
1337
1338         if (nb > (pm8001_ha->iomb_size - sizeof(struct mpi_msg_hdr)))
1339                 nb = pm8001_ha->iomb_size - sizeof(struct mpi_msg_hdr);
1340         memcpy(pMessage, payload, nb);
1341         if (nb + sizeof(struct mpi_msg_hdr) < pm8001_ha->iomb_size)
1342                 memset(pMessage + nb, 0, pm8001_ha->iomb_size -
1343                                 (nb + sizeof(struct mpi_msg_hdr)));
1344
1345         /*Build the header*/
1346         Header = ((1 << 31) | (hpriority << 30) | ((bc & 0x1f) << 24)
1347                 | ((responseQueue & 0x3F) << 16)
1348                 | ((category & 0xF) << 12) | (opCode & 0xFFF));
1349
1350         pm8001_write_32((pMessage - 4), 0, cpu_to_le32(Header));
1351         /*Update the PI to the firmware*/
1352         pm8001_cw32(pm8001_ha, circularQ->pi_pci_bar,
1353                 circularQ->pi_offset, circularQ->producer_idx);
1354         pm8001_dbg(pm8001_ha, DEVIO,
1355                    "INB Q %x OPCODE:%x , UPDATED PI=%d CI=%d\n",
1356                    responseQueue, opCode, circularQ->producer_idx,
1357                    circularQ->consumer_index);
1358 done:
1359         spin_unlock_irqrestore(&circularQ->iq_lock, flags);
1360         return rv;
1361 }
1362
1363 u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
1364                             struct outbound_queue_table *circularQ, u8 bc)
1365 {
1366         u32 producer_index;
1367         struct mpi_msg_hdr *msgHeader;
1368         struct mpi_msg_hdr *pOutBoundMsgHeader;
1369
1370         msgHeader = (struct mpi_msg_hdr *)(pMsg - sizeof(struct mpi_msg_hdr));
1371         pOutBoundMsgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt +
1372                                 circularQ->consumer_idx * pm8001_ha->iomb_size);
1373         if (pOutBoundMsgHeader != msgHeader) {
1374                 pm8001_dbg(pm8001_ha, FAIL,
1375                            "consumer_idx = %d msgHeader = %p\n",
1376                            circularQ->consumer_idx, msgHeader);
1377
1378                 /* Update the producer index from SPC */
1379                 producer_index = pm8001_read_32(circularQ->pi_virt);
1380                 circularQ->producer_index = cpu_to_le32(producer_index);
1381                 pm8001_dbg(pm8001_ha, FAIL,
1382                            "consumer_idx = %d producer_index = %dmsgHeader = %p\n",
1383                            circularQ->consumer_idx,
1384                            circularQ->producer_index, msgHeader);
1385                 return 0;
1386         }
1387         /* free the circular queue buffer elements associated with the message*/
1388         circularQ->consumer_idx = (circularQ->consumer_idx + bc)
1389                                 % PM8001_MPI_QUEUE;
1390         /* update the CI of outbound queue */
1391         pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar, circularQ->ci_offset,
1392                 circularQ->consumer_idx);
1393         /* Update the producer index from SPC*/
1394         producer_index = pm8001_read_32(circularQ->pi_virt);
1395         circularQ->producer_index = cpu_to_le32(producer_index);
1396         pm8001_dbg(pm8001_ha, IO, " CI=%d PI=%d\n",
1397                    circularQ->consumer_idx, circularQ->producer_index);
1398         return 0;
1399 }
1400
1401 /**
1402  * pm8001_mpi_msg_consume- get the MPI message from outbound queue
1403  * message table.
1404  * @pm8001_ha: our hba card information
1405  * @circularQ: the outbound queue  table.
1406  * @messagePtr1: the message contents of this outbound message.
1407  * @pBC: the message size.
1408  */
1409 u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
1410                            struct outbound_queue_table *circularQ,
1411                            void **messagePtr1, u8 *pBC)
1412 {
1413         struct mpi_msg_hdr      *msgHeader;
1414         __le32  msgHeader_tmp;
1415         u32 header_tmp;
1416         do {
1417                 /* If there are not-yet-delivered messages ... */
1418                 if (le32_to_cpu(circularQ->producer_index)
1419                         != circularQ->consumer_idx) {
1420                         /*Get the pointer to the circular queue buffer element*/
1421                         msgHeader = (struct mpi_msg_hdr *)
1422                                 (circularQ->base_virt +
1423                                 circularQ->consumer_idx * pm8001_ha->iomb_size);
1424                         /* read header */
1425                         header_tmp = pm8001_read_32(msgHeader);
1426                         msgHeader_tmp = cpu_to_le32(header_tmp);
1427                         pm8001_dbg(pm8001_ha, DEVIO,
1428                                    "outbound opcode msgheader:%x ci=%d pi=%d\n",
1429                                    msgHeader_tmp, circularQ->consumer_idx,
1430                                    circularQ->producer_index);
1431                         if (0 != (le32_to_cpu(msgHeader_tmp) & 0x80000000)) {
1432                                 if (OPC_OUB_SKIP_ENTRY !=
1433                                         (le32_to_cpu(msgHeader_tmp) & 0xfff)) {
1434                                         *messagePtr1 =
1435                                                 ((u8 *)msgHeader) +
1436                                                 sizeof(struct mpi_msg_hdr);
1437                                         *pBC = (u8)((le32_to_cpu(msgHeader_tmp)
1438                                                 >> 24) & 0x1f);
1439                                         pm8001_dbg(pm8001_ha, IO,
1440                                                    ": CI=%d PI=%d msgHeader=%x\n",
1441                                                    circularQ->consumer_idx,
1442                                                    circularQ->producer_index,
1443                                                    msgHeader_tmp);
1444                                         return MPI_IO_STATUS_SUCCESS;
1445                                 } else {
1446                                         circularQ->consumer_idx =
1447                                                 (circularQ->consumer_idx +
1448                                                 ((le32_to_cpu(msgHeader_tmp)
1449                                                  >> 24) & 0x1f))
1450                                                         % PM8001_MPI_QUEUE;
1451                                         msgHeader_tmp = 0;
1452                                         pm8001_write_32(msgHeader, 0, 0);
1453                                         /* update the CI of outbound queue */
1454                                         pm8001_cw32(pm8001_ha,
1455                                                 circularQ->ci_pci_bar,
1456                                                 circularQ->ci_offset,
1457                                                 circularQ->consumer_idx);
1458                                 }
1459                         } else {
1460                                 circularQ->consumer_idx =
1461                                         (circularQ->consumer_idx +
1462                                         ((le32_to_cpu(msgHeader_tmp) >> 24) &
1463                                         0x1f)) % PM8001_MPI_QUEUE;
1464                                 msgHeader_tmp = 0;
1465                                 pm8001_write_32(msgHeader, 0, 0);
1466                                 /* update the CI of outbound queue */
1467                                 pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar,
1468                                         circularQ->ci_offset,
1469                                         circularQ->consumer_idx);
1470                                 return MPI_IO_STATUS_FAIL;
1471                         }
1472                 } else {
1473                         u32 producer_index;
1474                         void *pi_virt = circularQ->pi_virt;
1475                         /* spurious interrupt during setup if
1476                          * kexec-ing and driver doing a doorbell access
1477                          * with the pre-kexec oq interrupt setup
1478                          */
1479                         if (!pi_virt)
1480                                 break;
1481                         /* Update the producer index from SPC */
1482                         producer_index = pm8001_read_32(pi_virt);
1483                         circularQ->producer_index = cpu_to_le32(producer_index);
1484                 }
1485         } while (le32_to_cpu(circularQ->producer_index) !=
1486                 circularQ->consumer_idx);
1487         /* while we don't have any more not-yet-delivered message */
1488         /* report empty */
1489         return MPI_IO_STATUS_BUSY;
1490 }
1491
1492 void pm8001_work_fn(struct work_struct *work)
1493 {
1494         struct pm8001_work *pw = container_of(work, struct pm8001_work, work);
1495         struct pm8001_device *pm8001_dev;
1496         struct domain_device *dev;
1497
1498         /*
1499          * So far, all users of this stash an associated structure here.
1500          * If we get here, and this pointer is null, then the action
1501          * was cancelled. This nullification happens when the device
1502          * goes away.
1503          */
1504         if (pw->handler != IO_FATAL_ERROR) {
1505                 pm8001_dev = pw->data; /* Most stash device structure */
1506                 if ((pm8001_dev == NULL)
1507                  || ((pw->handler != IO_XFER_ERROR_BREAK)
1508                          && (pm8001_dev->dev_type == SAS_PHY_UNUSED))) {
1509                         kfree(pw);
1510                         return;
1511                 }
1512         }
1513
1514         switch (pw->handler) {
1515         case IO_XFER_ERROR_BREAK:
1516         {       /* This one stashes the sas_task instead */
1517                 struct sas_task *t = (struct sas_task *)pm8001_dev;
1518                 u32 tag;
1519                 struct pm8001_ccb_info *ccb;
1520                 struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1521                 unsigned long flags, flags1;
1522                 struct task_status_struct *ts;
1523                 int i;
1524
1525                 if (pm8001_query_task(t) == TMF_RESP_FUNC_SUCC)
1526                         break; /* Task still on lu */
1527                 spin_lock_irqsave(&pm8001_ha->lock, flags);
1528
1529                 spin_lock_irqsave(&t->task_state_lock, flags1);
1530                 if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1531                         spin_unlock_irqrestore(&t->task_state_lock, flags1);
1532                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1533                         break; /* Task got completed by another */
1534                 }
1535                 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1536
1537                 /* Search for a possible ccb that matches the task */
1538                 for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1539                         ccb = &pm8001_ha->ccb_info[i];
1540                         tag = ccb->ccb_tag;
1541                         if ((tag != 0xFFFFFFFF) && (ccb->task == t))
1542                                 break;
1543                 }
1544                 if (!ccb) {
1545                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1546                         break; /* Task got freed by another */
1547                 }
1548                 ts = &t->task_status;
1549                 ts->resp = SAS_TASK_COMPLETE;
1550                 /* Force the midlayer to retry */
1551                 ts->stat = SAS_QUEUE_FULL;
1552                 pm8001_dev = ccb->device;
1553                 if (pm8001_dev)
1554                         atomic_dec(&pm8001_dev->running_req);
1555                 spin_lock_irqsave(&t->task_state_lock, flags1);
1556                 t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1557                 t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1558                 t->task_state_flags |= SAS_TASK_STATE_DONE;
1559                 if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1560                         spin_unlock_irqrestore(&t->task_state_lock, flags1);
1561                         pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
1562                                    t, pw->handler, ts->resp, ts->stat);
1563                         pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1564                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1565                 } else {
1566                         spin_unlock_irqrestore(&t->task_state_lock, flags1);
1567                         pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1568                         mb();/* in order to force CPU ordering */
1569                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1570                         t->task_done(t);
1571                 }
1572         }       break;
1573         case IO_XFER_OPEN_RETRY_TIMEOUT:
1574         {       /* This one stashes the sas_task instead */
1575                 struct sas_task *t = (struct sas_task *)pm8001_dev;
1576                 u32 tag;
1577                 struct pm8001_ccb_info *ccb;
1578                 struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1579                 unsigned long flags, flags1;
1580                 int i, ret = 0;
1581
1582                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
1583
1584                 ret = pm8001_query_task(t);
1585
1586                 if (ret == TMF_RESP_FUNC_SUCC)
1587                         pm8001_dbg(pm8001_ha, IO, "...Task on lu\n");
1588                 else if (ret == TMF_RESP_FUNC_COMPLETE)
1589                         pm8001_dbg(pm8001_ha, IO, "...Task NOT on lu\n");
1590                 else
1591                         pm8001_dbg(pm8001_ha, DEVIO, "...query task failed!!!\n");
1592
1593                 spin_lock_irqsave(&pm8001_ha->lock, flags);
1594
1595                 spin_lock_irqsave(&t->task_state_lock, flags1);
1596
1597                 if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1598                         spin_unlock_irqrestore(&t->task_state_lock, flags1);
1599                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1600                         if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1601                                 (void)pm8001_abort_task(t);
1602                         break; /* Task got completed by another */
1603                 }
1604
1605                 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1606
1607                 /* Search for a possible ccb that matches the task */
1608                 for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1609                         ccb = &pm8001_ha->ccb_info[i];
1610                         tag = ccb->ccb_tag;
1611                         if ((tag != 0xFFFFFFFF) && (ccb->task == t))
1612                                 break;
1613                 }
1614                 if (!ccb) {
1615                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1616                         if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1617                                 (void)pm8001_abort_task(t);
1618                         break; /* Task got freed by another */
1619                 }
1620
1621                 pm8001_dev = ccb->device;
1622                 dev = pm8001_dev->sas_device;
1623
1624                 switch (ret) {
1625                 case TMF_RESP_FUNC_SUCC: /* task on lu */
1626                         ccb->open_retry = 1; /* Snub completion */
1627                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1628                         ret = pm8001_abort_task(t);
1629                         ccb->open_retry = 0;
1630                         switch (ret) {
1631                         case TMF_RESP_FUNC_SUCC:
1632                         case TMF_RESP_FUNC_COMPLETE:
1633                                 break;
1634                         default: /* device misbehavior */
1635                                 ret = TMF_RESP_FUNC_FAILED;
1636                                 pm8001_dbg(pm8001_ha, IO, "...Reset phy\n");
1637                                 pm8001_I_T_nexus_reset(dev);
1638                                 break;
1639                         }
1640                         break;
1641
1642                 case TMF_RESP_FUNC_COMPLETE: /* task not on lu */
1643                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1644                         /* Do we need to abort the task locally? */
1645                         break;
1646
1647                 default: /* device misbehavior */
1648                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1649                         ret = TMF_RESP_FUNC_FAILED;
1650                         pm8001_dbg(pm8001_ha, IO, "...Reset phy\n");
1651                         pm8001_I_T_nexus_reset(dev);
1652                 }
1653
1654                 if (ret == TMF_RESP_FUNC_FAILED)
1655                         t = NULL;
1656                 pm8001_open_reject_retry(pm8001_ha, t, pm8001_dev);
1657                 pm8001_dbg(pm8001_ha, IO, "...Complete\n");
1658         }       break;
1659         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1660                 dev = pm8001_dev->sas_device;
1661                 pm8001_I_T_nexus_event_handler(dev);
1662                 break;
1663         case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
1664                 dev = pm8001_dev->sas_device;
1665                 pm8001_I_T_nexus_reset(dev);
1666                 break;
1667         case IO_DS_IN_ERROR:
1668                 dev = pm8001_dev->sas_device;
1669                 pm8001_I_T_nexus_reset(dev);
1670                 break;
1671         case IO_DS_NON_OPERATIONAL:
1672                 dev = pm8001_dev->sas_device;
1673                 pm8001_I_T_nexus_reset(dev);
1674                 break;
1675         case IO_FATAL_ERROR:
1676         {
1677                 struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1678                 struct pm8001_ccb_info *ccb;
1679                 struct task_status_struct *ts;
1680                 struct sas_task *task;
1681                 int i;
1682                 u32 tag, device_id;
1683
1684                 for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1685                         ccb = &pm8001_ha->ccb_info[i];
1686                         task = ccb->task;
1687                         ts = &task->task_status;
1688                         tag = ccb->ccb_tag;
1689                         /* check if tag is NULL */
1690                         if (!tag) {
1691                                 pm8001_dbg(pm8001_ha, FAIL,
1692                                         "tag Null\n");
1693                                 continue;
1694                         }
1695                         if (task != NULL) {
1696                                 dev = task->dev;
1697                                 if (!dev) {
1698                                         pm8001_dbg(pm8001_ha, FAIL,
1699                                                 "dev is NULL\n");
1700                                         continue;
1701                                 }
1702                                 /*complete sas task and update to top layer */
1703                                 pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
1704                                 ts->resp = SAS_TASK_COMPLETE;
1705                                 task->task_done(task);
1706                         } else if (tag != 0xFFFFFFFF) {
1707                                 /* complete the internal commands/non-sas task */
1708                                 pm8001_dev = ccb->device;
1709                                 if (pm8001_dev->dcompletion) {
1710                                         complete(pm8001_dev->dcompletion);
1711                                         pm8001_dev->dcompletion = NULL;
1712                                 }
1713                                 complete(pm8001_ha->nvmd_completion);
1714                                 pm8001_tag_free(pm8001_ha, tag);
1715                         }
1716                 }
1717                 /* Deregister all the device ids  */
1718                 for (i = 0; i < PM8001_MAX_DEVICES; i++) {
1719                         pm8001_dev = &pm8001_ha->devices[i];
1720                         device_id = pm8001_dev->device_id;
1721                         if (device_id) {
1722                                 PM8001_CHIP_DISP->dereg_dev_req(pm8001_ha, device_id);
1723                                 pm8001_free_dev(pm8001_dev);
1724                         }
1725                 }
1726         }       break;
1727         }
1728         kfree(pw);
1729 }
1730
1731 int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data,
1732                                int handler)
1733 {
1734         struct pm8001_work *pw;
1735         int ret = 0;
1736
1737         pw = kmalloc(sizeof(struct pm8001_work), GFP_ATOMIC);
1738         if (pw) {
1739                 pw->pm8001_ha = pm8001_ha;
1740                 pw->data = data;
1741                 pw->handler = handler;
1742                 INIT_WORK(&pw->work, pm8001_work_fn);
1743                 queue_work(pm8001_wq, &pw->work);
1744         } else
1745                 ret = -ENOMEM;
1746
1747         return ret;
1748 }
1749
1750 static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha,
1751                 struct pm8001_device *pm8001_ha_dev)
1752 {
1753         int res;
1754         u32 ccb_tag;
1755         struct pm8001_ccb_info *ccb;
1756         struct sas_task *task = NULL;
1757         struct task_abort_req task_abort;
1758         struct inbound_queue_table *circularQ;
1759         u32 opc = OPC_INB_SATA_ABORT;
1760         int ret;
1761
1762         if (!pm8001_ha_dev) {
1763                 pm8001_dbg(pm8001_ha, FAIL, "dev is null\n");
1764                 return;
1765         }
1766
1767         task = sas_alloc_slow_task(GFP_ATOMIC);
1768
1769         if (!task) {
1770                 pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task\n");
1771                 return;
1772         }
1773
1774         task->task_done = pm8001_task_done;
1775
1776         res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1777         if (res)
1778                 return;
1779
1780         ccb = &pm8001_ha->ccb_info[ccb_tag];
1781         ccb->device = pm8001_ha_dev;
1782         ccb->ccb_tag = ccb_tag;
1783         ccb->task = task;
1784
1785         circularQ = &pm8001_ha->inbnd_q_tbl[0];
1786
1787         memset(&task_abort, 0, sizeof(task_abort));
1788         task_abort.abort_all = cpu_to_le32(1);
1789         task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1790         task_abort.tag = cpu_to_le32(ccb_tag);
1791
1792         ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort,
1793                         sizeof(task_abort), 0);
1794         if (ret)
1795                 pm8001_tag_free(pm8001_ha, ccb_tag);
1796
1797 }
1798
1799 static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha,
1800                 struct pm8001_device *pm8001_ha_dev)
1801 {
1802         struct sata_start_req sata_cmd;
1803         int res;
1804         u32 ccb_tag;
1805         struct pm8001_ccb_info *ccb;
1806         struct sas_task *task = NULL;
1807         struct host_to_dev_fis fis;
1808         struct domain_device *dev;
1809         struct inbound_queue_table *circularQ;
1810         u32 opc = OPC_INB_SATA_HOST_OPSTART;
1811
1812         task = sas_alloc_slow_task(GFP_ATOMIC);
1813
1814         if (!task) {
1815                 pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task !!!\n");
1816                 return;
1817         }
1818         task->task_done = pm8001_task_done;
1819
1820         res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
1821         if (res) {
1822                 sas_free_task(task);
1823                 pm8001_dbg(pm8001_ha, FAIL, "cannot allocate tag !!!\n");
1824                 return;
1825         }
1826
1827         /* allocate domain device by ourselves as libsas
1828          * is not going to provide any
1829         */
1830         dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
1831         if (!dev) {
1832                 sas_free_task(task);
1833                 pm8001_tag_free(pm8001_ha, ccb_tag);
1834                 pm8001_dbg(pm8001_ha, FAIL,
1835                            "Domain device cannot be allocated\n");
1836                 return;
1837         }
1838         task->dev = dev;
1839         task->dev->lldd_dev = pm8001_ha_dev;
1840
1841         ccb = &pm8001_ha->ccb_info[ccb_tag];
1842         ccb->device = pm8001_ha_dev;
1843         ccb->ccb_tag = ccb_tag;
1844         ccb->task = task;
1845         pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
1846         pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
1847
1848         memset(&sata_cmd, 0, sizeof(sata_cmd));
1849         circularQ = &pm8001_ha->inbnd_q_tbl[0];
1850
1851         /* construct read log FIS */
1852         memset(&fis, 0, sizeof(struct host_to_dev_fis));
1853         fis.fis_type = 0x27;
1854         fis.flags = 0x80;
1855         fis.command = ATA_CMD_READ_LOG_EXT;
1856         fis.lbal = 0x10;
1857         fis.sector_count = 0x1;
1858
1859         sata_cmd.tag = cpu_to_le32(ccb_tag);
1860         sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1861         sata_cmd.ncqtag_atap_dir_m |= ((0x1 << 7) | (0x5 << 9));
1862         memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
1863
1864         res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd,
1865                         sizeof(sata_cmd), 0);
1866         if (res) {
1867                 sas_free_task(task);
1868                 pm8001_tag_free(pm8001_ha, ccb_tag);
1869                 kfree(dev);
1870         }
1871 }
1872
1873 /**
1874  * mpi_ssp_completion- process the event that FW response to the SSP request.
1875  * @pm8001_ha: our hba card information
1876  * @piomb: the message contents of this outbound message.
1877  *
1878  * When FW has completed a ssp request for example a IO request, after it has
1879  * filled the SG data with the data, it will trigger this event represent
1880  * that he has finished the job,please check the coresponding buffer.
1881  * So we will tell the caller who maybe waiting the result to tell upper layer
1882  * that the task has been finished.
1883  */
1884 static void
1885 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
1886 {
1887         struct sas_task *t;
1888         struct pm8001_ccb_info *ccb;
1889         unsigned long flags;
1890         u32 status;
1891         u32 param;
1892         u32 tag;
1893         struct ssp_completion_resp *psspPayload;
1894         struct task_status_struct *ts;
1895         struct ssp_response_iu *iu;
1896         struct pm8001_device *pm8001_dev;
1897         psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1898         status = le32_to_cpu(psspPayload->status);
1899         tag = le32_to_cpu(psspPayload->tag);
1900         ccb = &pm8001_ha->ccb_info[tag];
1901         if ((status == IO_ABORTED) && ccb->open_retry) {
1902                 /* Being completed by another */
1903                 ccb->open_retry = 0;
1904                 return;
1905         }
1906         pm8001_dev = ccb->device;
1907         param = le32_to_cpu(psspPayload->param);
1908
1909         t = ccb->task;
1910
1911         if (status && status != IO_UNDERFLOW)
1912                 pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", status);
1913         if (unlikely(!t || !t->lldd_task || !t->dev))
1914                 return;
1915         ts = &t->task_status;
1916         /* Print sas address of IO failed device */
1917         if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1918                 (status != IO_UNDERFLOW))
1919                 pm8001_dbg(pm8001_ha, FAIL, "SAS Address of IO Failure Drive:%016llx\n",
1920                            SAS_ADDR(t->dev->sas_addr));
1921
1922         if (status)
1923                 pm8001_dbg(pm8001_ha, IOERR,
1924                            "status:0x%x, tag:0x%x, task:0x%p\n",
1925                            status, tag, t);
1926
1927         switch (status) {
1928         case IO_SUCCESS:
1929                 pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS,param = %d\n",
1930                            param);
1931                 if (param == 0) {
1932                         ts->resp = SAS_TASK_COMPLETE;
1933                         ts->stat = SAM_STAT_GOOD;
1934                 } else {
1935                         ts->resp = SAS_TASK_COMPLETE;
1936                         ts->stat = SAS_PROTO_RESPONSE;
1937                         ts->residual = param;
1938                         iu = &psspPayload->ssp_resp_iu;
1939                         sas_ssp_task_response(pm8001_ha->dev, t, iu);
1940                 }
1941                 if (pm8001_dev)
1942                         atomic_dec(&pm8001_dev->running_req);
1943                 break;
1944         case IO_ABORTED:
1945                 pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
1946                 ts->resp = SAS_TASK_COMPLETE;
1947                 ts->stat = SAS_ABORTED_TASK;
1948                 break;
1949         case IO_UNDERFLOW:
1950                 /* SSP Completion with error */
1951                 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW,param = %d\n",
1952                            param);
1953                 ts->resp = SAS_TASK_COMPLETE;
1954                 ts->stat = SAS_DATA_UNDERRUN;
1955                 ts->residual = param;
1956                 if (pm8001_dev)
1957                         atomic_dec(&pm8001_dev->running_req);
1958                 break;
1959         case IO_NO_DEVICE:
1960                 pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
1961                 ts->resp = SAS_TASK_UNDELIVERED;
1962                 ts->stat = SAS_PHY_DOWN;
1963                 break;
1964         case IO_XFER_ERROR_BREAK:
1965                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
1966                 ts->resp = SAS_TASK_COMPLETE;
1967                 ts->stat = SAS_OPEN_REJECT;
1968                 /* Force the midlayer to retry */
1969                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1970                 break;
1971         case IO_XFER_ERROR_PHY_NOT_READY:
1972                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
1973                 ts->resp = SAS_TASK_COMPLETE;
1974                 ts->stat = SAS_OPEN_REJECT;
1975                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1976                 break;
1977         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1978                 pm8001_dbg(pm8001_ha, IO,
1979                            "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
1980                 ts->resp = SAS_TASK_COMPLETE;
1981                 ts->stat = SAS_OPEN_REJECT;
1982                 ts->open_rej_reason = SAS_OREJ_EPROTO;
1983                 break;
1984         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1985                 pm8001_dbg(pm8001_ha, IO,
1986                            "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
1987                 ts->resp = SAS_TASK_COMPLETE;
1988                 ts->stat = SAS_OPEN_REJECT;
1989                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1990                 break;
1991         case IO_OPEN_CNX_ERROR_BREAK:
1992                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
1993                 ts->resp = SAS_TASK_COMPLETE;
1994                 ts->stat = SAS_OPEN_REJECT;
1995                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1996                 break;
1997         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1998                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
1999                 ts->resp = SAS_TASK_COMPLETE;
2000                 ts->stat = SAS_OPEN_REJECT;
2001                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2002                 if (!t->uldd_task)
2003                         pm8001_handle_event(pm8001_ha,
2004                                 pm8001_dev,
2005                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2006                 break;
2007         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2008                 pm8001_dbg(pm8001_ha, IO,
2009                            "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2010                 ts->resp = SAS_TASK_COMPLETE;
2011                 ts->stat = SAS_OPEN_REJECT;
2012                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2013                 break;
2014         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2015                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2016                 ts->resp = SAS_TASK_COMPLETE;
2017                 ts->stat = SAS_OPEN_REJECT;
2018                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2019                 break;
2020         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2021                 pm8001_dbg(pm8001_ha, IO,
2022                            "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2023                 ts->resp = SAS_TASK_UNDELIVERED;
2024                 ts->stat = SAS_OPEN_REJECT;
2025                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2026                 break;
2027         case IO_XFER_ERROR_NAK_RECEIVED:
2028                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2029                 ts->resp = SAS_TASK_COMPLETE;
2030                 ts->stat = SAS_OPEN_REJECT;
2031                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2032                 break;
2033         case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2034                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2035                 ts->resp = SAS_TASK_COMPLETE;
2036                 ts->stat = SAS_NAK_R_ERR;
2037                 break;
2038         case IO_XFER_ERROR_DMA:
2039                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2040                 ts->resp = SAS_TASK_COMPLETE;
2041                 ts->stat = SAS_OPEN_REJECT;
2042                 break;
2043         case IO_XFER_OPEN_RETRY_TIMEOUT:
2044                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2045                 ts->resp = SAS_TASK_COMPLETE;
2046                 ts->stat = SAS_OPEN_REJECT;
2047                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2048                 break;
2049         case IO_XFER_ERROR_OFFSET_MISMATCH:
2050                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2051                 ts->resp = SAS_TASK_COMPLETE;
2052                 ts->stat = SAS_OPEN_REJECT;
2053                 break;
2054         case IO_PORT_IN_RESET:
2055                 pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2056                 ts->resp = SAS_TASK_COMPLETE;
2057                 ts->stat = SAS_OPEN_REJECT;
2058                 break;
2059         case IO_DS_NON_OPERATIONAL:
2060                 pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2061                 ts->resp = SAS_TASK_COMPLETE;
2062                 ts->stat = SAS_OPEN_REJECT;
2063                 if (!t->uldd_task)
2064                         pm8001_handle_event(pm8001_ha,
2065                                 pm8001_dev,
2066                                 IO_DS_NON_OPERATIONAL);
2067                 break;
2068         case IO_DS_IN_RECOVERY:
2069                 pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2070                 ts->resp = SAS_TASK_COMPLETE;
2071                 ts->stat = SAS_OPEN_REJECT;
2072                 break;
2073         case IO_TM_TAG_NOT_FOUND:
2074                 pm8001_dbg(pm8001_ha, IO, "IO_TM_TAG_NOT_FOUND\n");
2075                 ts->resp = SAS_TASK_COMPLETE;
2076                 ts->stat = SAS_OPEN_REJECT;
2077                 break;
2078         case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
2079                 pm8001_dbg(pm8001_ha, IO, "IO_SSP_EXT_IU_ZERO_LEN_ERROR\n");
2080                 ts->resp = SAS_TASK_COMPLETE;
2081                 ts->stat = SAS_OPEN_REJECT;
2082                 break;
2083         case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2084                 pm8001_dbg(pm8001_ha, IO,
2085                            "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2086                 ts->resp = SAS_TASK_COMPLETE;
2087                 ts->stat = SAS_OPEN_REJECT;
2088                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2089                 break;
2090         default:
2091                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2092                 /* not allowed case. Therefore, return failed status */
2093                 ts->resp = SAS_TASK_COMPLETE;
2094                 ts->stat = SAS_OPEN_REJECT;
2095                 break;
2096         }
2097         pm8001_dbg(pm8001_ha, IO, "scsi_status = %x\n",
2098                    psspPayload->ssp_resp_iu.status);
2099         spin_lock_irqsave(&t->task_state_lock, flags);
2100         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2101         t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2102         t->task_state_flags |= SAS_TASK_STATE_DONE;
2103         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2104                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2105                 pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2106                            t, status, ts->resp, ts->stat);
2107                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2108         } else {
2109                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2110                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2111                 mb();/* in order to force CPU ordering */
2112                 t->task_done(t);
2113         }
2114 }
2115
2116 /*See the comments for mpi_ssp_completion */
2117 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
2118 {
2119         struct sas_task *t;
2120         unsigned long flags;
2121         struct task_status_struct *ts;
2122         struct pm8001_ccb_info *ccb;
2123         struct pm8001_device *pm8001_dev;
2124         struct ssp_event_resp *psspPayload =
2125                 (struct ssp_event_resp *)(piomb + 4);
2126         u32 event = le32_to_cpu(psspPayload->event);
2127         u32 tag = le32_to_cpu(psspPayload->tag);
2128         u32 port_id = le32_to_cpu(psspPayload->port_id);
2129         u32 dev_id = le32_to_cpu(psspPayload->device_id);
2130
2131         ccb = &pm8001_ha->ccb_info[tag];
2132         t = ccb->task;
2133         pm8001_dev = ccb->device;
2134         if (event)
2135                 pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", event);
2136         if (unlikely(!t || !t->lldd_task || !t->dev))
2137                 return;
2138         ts = &t->task_status;
2139         pm8001_dbg(pm8001_ha, DEVIO, "port_id = %x,device_id = %x\n",
2140                    port_id, dev_id);
2141         switch (event) {
2142         case IO_OVERFLOW:
2143                 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2144                 ts->resp = SAS_TASK_COMPLETE;
2145                 ts->stat = SAS_DATA_OVERRUN;
2146                 ts->residual = 0;
2147                 if (pm8001_dev)
2148                         atomic_dec(&pm8001_dev->running_req);
2149                 break;
2150         case IO_XFER_ERROR_BREAK:
2151                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2152                 pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
2153                 return;
2154         case IO_XFER_ERROR_PHY_NOT_READY:
2155                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2156                 ts->resp = SAS_TASK_COMPLETE;
2157                 ts->stat = SAS_OPEN_REJECT;
2158                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2159                 break;
2160         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2161                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2162                 ts->resp = SAS_TASK_COMPLETE;
2163                 ts->stat = SAS_OPEN_REJECT;
2164                 ts->open_rej_reason = SAS_OREJ_EPROTO;
2165                 break;
2166         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2167                 pm8001_dbg(pm8001_ha, IO,
2168                            "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2169                 ts->resp = SAS_TASK_COMPLETE;
2170                 ts->stat = SAS_OPEN_REJECT;
2171                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2172                 break;
2173         case IO_OPEN_CNX_ERROR_BREAK:
2174                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2175                 ts->resp = SAS_TASK_COMPLETE;
2176                 ts->stat = SAS_OPEN_REJECT;
2177                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2178                 break;
2179         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2180                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2181                 ts->resp = SAS_TASK_COMPLETE;
2182                 ts->stat = SAS_OPEN_REJECT;
2183                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2184                 if (!t->uldd_task)
2185                         pm8001_handle_event(pm8001_ha,
2186                                 pm8001_dev,
2187                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2188                 break;
2189         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2190                 pm8001_dbg(pm8001_ha, IO,
2191                            "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2192                 ts->resp = SAS_TASK_COMPLETE;
2193                 ts->stat = SAS_OPEN_REJECT;
2194                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2195                 break;
2196         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2197                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2198                 ts->resp = SAS_TASK_COMPLETE;
2199                 ts->stat = SAS_OPEN_REJECT;
2200                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2201                 break;
2202         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2203                 pm8001_dbg(pm8001_ha, IO,
2204                            "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2205                 ts->resp = SAS_TASK_COMPLETE;
2206                 ts->stat = SAS_OPEN_REJECT;
2207                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2208                 break;
2209         case IO_XFER_ERROR_NAK_RECEIVED:
2210                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2211                 ts->resp = SAS_TASK_COMPLETE;
2212                 ts->stat = SAS_OPEN_REJECT;
2213                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2214                 break;
2215         case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2216                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2217                 ts->resp = SAS_TASK_COMPLETE;
2218                 ts->stat = SAS_NAK_R_ERR;
2219                 break;
2220         case IO_XFER_OPEN_RETRY_TIMEOUT:
2221                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2222                 pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
2223                 return;
2224         case IO_XFER_ERROR_UNEXPECTED_PHASE:
2225                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2226                 ts->resp = SAS_TASK_COMPLETE;
2227                 ts->stat = SAS_DATA_OVERRUN;
2228                 break;
2229         case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2230                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2231                 ts->resp = SAS_TASK_COMPLETE;
2232                 ts->stat = SAS_DATA_OVERRUN;
2233                 break;
2234         case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2235                 pm8001_dbg(pm8001_ha, IO,
2236                            "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2237                 ts->resp = SAS_TASK_COMPLETE;
2238                 ts->stat = SAS_DATA_OVERRUN;
2239                 break;
2240         case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
2241                 pm8001_dbg(pm8001_ha, IO,
2242                            "IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n");
2243                 ts->resp = SAS_TASK_COMPLETE;
2244                 ts->stat = SAS_DATA_OVERRUN;
2245                 break;
2246         case IO_XFER_ERROR_OFFSET_MISMATCH:
2247                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2248                 ts->resp = SAS_TASK_COMPLETE;
2249                 ts->stat = SAS_DATA_OVERRUN;
2250                 break;
2251         case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2252                 pm8001_dbg(pm8001_ha, IO,
2253                            "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2254                 ts->resp = SAS_TASK_COMPLETE;
2255                 ts->stat = SAS_DATA_OVERRUN;
2256                 break;
2257         case IO_XFER_CMD_FRAME_ISSUED:
2258                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2259                 return;
2260         default:
2261                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
2262                 /* not allowed case. Therefore, return failed status */
2263                 ts->resp = SAS_TASK_COMPLETE;
2264                 ts->stat = SAS_DATA_OVERRUN;
2265                 break;
2266         }
2267         spin_lock_irqsave(&t->task_state_lock, flags);
2268         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2269         t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2270         t->task_state_flags |= SAS_TASK_STATE_DONE;
2271         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2272                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2273                 pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with event 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2274                            t, event, ts->resp, ts->stat);
2275                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2276         } else {
2277                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2278                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2279                 mb();/* in order to force CPU ordering */
2280                 t->task_done(t);
2281         }
2282 }
2283
2284 /*See the comments for mpi_ssp_completion */
2285 static void
2286 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2287 {
2288         struct sas_task *t;
2289         struct pm8001_ccb_info *ccb;
2290         u32 param;
2291         u32 status;
2292         u32 tag;
2293         int i, j;
2294         u8 sata_addr_low[4];
2295         u32 temp_sata_addr_low;
2296         u8 sata_addr_hi[4];
2297         u32 temp_sata_addr_hi;
2298         struct sata_completion_resp *psataPayload;
2299         struct task_status_struct *ts;
2300         struct ata_task_resp *resp ;
2301         u32 *sata_resp;
2302         struct pm8001_device *pm8001_dev;
2303         unsigned long flags;
2304
2305         psataPayload = (struct sata_completion_resp *)(piomb + 4);
2306         status = le32_to_cpu(psataPayload->status);
2307         tag = le32_to_cpu(psataPayload->tag);
2308
2309         if (!tag) {
2310                 pm8001_dbg(pm8001_ha, FAIL, "tag null\n");
2311                 return;
2312         }
2313         ccb = &pm8001_ha->ccb_info[tag];
2314         param = le32_to_cpu(psataPayload->param);
2315         if (ccb) {
2316                 t = ccb->task;
2317                 pm8001_dev = ccb->device;
2318         } else {
2319                 pm8001_dbg(pm8001_ha, FAIL, "ccb null\n");
2320                 return;
2321         }
2322
2323         if (t) {
2324                 if (t->dev && (t->dev->lldd_dev))
2325                         pm8001_dev = t->dev->lldd_dev;
2326         } else {
2327                 pm8001_dbg(pm8001_ha, FAIL, "task null\n");
2328                 return;
2329         }
2330
2331         if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
2332                 && unlikely(!t || !t->lldd_task || !t->dev)) {
2333                 pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2334                 return;
2335         }
2336
2337         ts = &t->task_status;
2338         if (!ts) {
2339                 pm8001_dbg(pm8001_ha, FAIL, "ts null\n");
2340                 return;
2341         }
2342
2343         if (status)
2344                 pm8001_dbg(pm8001_ha, IOERR,
2345                            "status:0x%x, tag:0x%x, task::0x%p\n",
2346                            status, tag, t);
2347
2348         /* Print sas address of IO failed device */
2349         if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2350                 (status != IO_UNDERFLOW)) {
2351                 if (!((t->dev->parent) &&
2352                         (dev_is_expander(t->dev->parent->dev_type)))) {
2353                         for (i = 0, j = 4; j <= 7 && i <= 3; i++, j++)
2354                                 sata_addr_low[i] = pm8001_ha->sas_addr[j];
2355                         for (i = 0, j = 0; j <= 3 && i <= 3; i++, j++)
2356                                 sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2357                         memcpy(&temp_sata_addr_low, sata_addr_low,
2358                                 sizeof(sata_addr_low));
2359                         memcpy(&temp_sata_addr_hi, sata_addr_hi,
2360                                 sizeof(sata_addr_hi));
2361                         temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2362                                                 |((temp_sata_addr_hi << 8) &
2363                                                 0xff0000) |
2364                                                 ((temp_sata_addr_hi >> 8)
2365                                                 & 0xff00) |
2366                                                 ((temp_sata_addr_hi << 24) &
2367                                                 0xff000000));
2368                         temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2369                                                 & 0xff) |
2370                                                 ((temp_sata_addr_low << 8)
2371                                                 & 0xff0000) |
2372                                                 ((temp_sata_addr_low >> 8)
2373                                                 & 0xff00) |
2374                                                 ((temp_sata_addr_low << 24)
2375                                                 & 0xff000000)) +
2376                                                 pm8001_dev->attached_phy +
2377                                                 0x10);
2378                         pm8001_dbg(pm8001_ha, FAIL,
2379                                    "SAS Address of IO Failure Drive:%08x%08x\n",
2380                                    temp_sata_addr_hi,
2381                                    temp_sata_addr_low);
2382                 } else {
2383                         pm8001_dbg(pm8001_ha, FAIL,
2384                                    "SAS Address of IO Failure Drive:%016llx\n",
2385                                    SAS_ADDR(t->dev->sas_addr));
2386                 }
2387         }
2388         switch (status) {
2389         case IO_SUCCESS:
2390                 pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2391                 if (param == 0) {
2392                         ts->resp = SAS_TASK_COMPLETE;
2393                         ts->stat = SAM_STAT_GOOD;
2394                         /* check if response is for SEND READ LOG */
2395                         if (pm8001_dev &&
2396                                 (pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
2397                                 /* set new bit for abort_all */
2398                                 pm8001_dev->id |= NCQ_ABORT_ALL_FLAG;
2399                                 /* clear bit for read log */
2400                                 pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF;
2401                                 pm8001_send_abort_all(pm8001_ha, pm8001_dev);
2402                                 /* Free the tag */
2403                                 pm8001_tag_free(pm8001_ha, tag);
2404                                 sas_free_task(t);
2405                                 return;
2406                         }
2407                 } else {
2408                         u8 len;
2409                         ts->resp = SAS_TASK_COMPLETE;
2410                         ts->stat = SAS_PROTO_RESPONSE;
2411                         ts->residual = param;
2412                         pm8001_dbg(pm8001_ha, IO,
2413                                    "SAS_PROTO_RESPONSE len = %d\n",
2414                                    param);
2415                         sata_resp = &psataPayload->sata_resp[0];
2416                         resp = (struct ata_task_resp *)ts->buf;
2417                         if (t->ata_task.dma_xfer == 0 &&
2418                             t->data_dir == DMA_FROM_DEVICE) {
2419                                 len = sizeof(struct pio_setup_fis);
2420                                 pm8001_dbg(pm8001_ha, IO,
2421                                            "PIO read len = %d\n", len);
2422                         } else if (t->ata_task.use_ncq) {
2423                                 len = sizeof(struct set_dev_bits_fis);
2424                                 pm8001_dbg(pm8001_ha, IO, "FPDMA len = %d\n",
2425                                            len);
2426                         } else {
2427                                 len = sizeof(struct dev_to_host_fis);
2428                                 pm8001_dbg(pm8001_ha, IO, "other len = %d\n",
2429                                            len);
2430                         }
2431                         if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2432                                 resp->frame_len = len;
2433                                 memcpy(&resp->ending_fis[0], sata_resp, len);
2434                                 ts->buf_valid_size = sizeof(*resp);
2435                         } else
2436                                 pm8001_dbg(pm8001_ha, IO,
2437                                            "response too large\n");
2438                 }
2439                 if (pm8001_dev)
2440                         atomic_dec(&pm8001_dev->running_req);
2441                 break;
2442         case IO_ABORTED:
2443                 pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
2444                 ts->resp = SAS_TASK_COMPLETE;
2445                 ts->stat = SAS_ABORTED_TASK;
2446                 if (pm8001_dev)
2447                         atomic_dec(&pm8001_dev->running_req);
2448                 break;
2449                 /* following cases are to do cases */
2450         case IO_UNDERFLOW:
2451                 /* SATA Completion with error */
2452                 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW param = %d\n", param);
2453                 ts->resp = SAS_TASK_COMPLETE;
2454                 ts->stat = SAS_DATA_UNDERRUN;
2455                 ts->residual =  param;
2456                 if (pm8001_dev)
2457                         atomic_dec(&pm8001_dev->running_req);
2458                 break;
2459         case IO_NO_DEVICE:
2460                 pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2461                 ts->resp = SAS_TASK_UNDELIVERED;
2462                 ts->stat = SAS_PHY_DOWN;
2463                 if (pm8001_dev)
2464                         atomic_dec(&pm8001_dev->running_req);
2465                 break;
2466         case IO_XFER_ERROR_BREAK:
2467                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2468                 ts->resp = SAS_TASK_COMPLETE;
2469                 ts->stat = SAS_INTERRUPTED;
2470                 if (pm8001_dev)
2471                         atomic_dec(&pm8001_dev->running_req);
2472                 break;
2473         case IO_XFER_ERROR_PHY_NOT_READY:
2474                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2475                 ts->resp = SAS_TASK_COMPLETE;
2476                 ts->stat = SAS_OPEN_REJECT;
2477                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2478                 if (pm8001_dev)
2479                         atomic_dec(&pm8001_dev->running_req);
2480                 break;
2481         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2482                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2483                 ts->resp = SAS_TASK_COMPLETE;
2484                 ts->stat = SAS_OPEN_REJECT;
2485                 ts->open_rej_reason = SAS_OREJ_EPROTO;
2486                 if (pm8001_dev)
2487                         atomic_dec(&pm8001_dev->running_req);
2488                 break;
2489         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2490                 pm8001_dbg(pm8001_ha, IO,
2491                            "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2492                 ts->resp = SAS_TASK_COMPLETE;
2493                 ts->stat = SAS_OPEN_REJECT;
2494                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2495                 if (pm8001_dev)
2496                         atomic_dec(&pm8001_dev->running_req);
2497                 break;
2498         case IO_OPEN_CNX_ERROR_BREAK:
2499                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2500                 ts->resp = SAS_TASK_COMPLETE;
2501                 ts->stat = SAS_OPEN_REJECT;
2502                 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2503                 if (pm8001_dev)
2504                         atomic_dec(&pm8001_dev->running_req);
2505                 break;
2506         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2507                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2508                 ts->resp = SAS_TASK_COMPLETE;
2509                 ts->stat = SAS_DEV_NO_RESPONSE;
2510                 if (!t->uldd_task) {
2511                         pm8001_handle_event(pm8001_ha,
2512                                 pm8001_dev,
2513                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2514                         ts->resp = SAS_TASK_UNDELIVERED;
2515                         ts->stat = SAS_QUEUE_FULL;
2516                         pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2517                         return;
2518                 }
2519                 break;
2520         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2521                 pm8001_dbg(pm8001_ha, IO,
2522                            "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2523                 ts->resp = SAS_TASK_UNDELIVERED;
2524                 ts->stat = SAS_OPEN_REJECT;
2525                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2526                 if (!t->uldd_task) {
2527                         pm8001_handle_event(pm8001_ha,
2528                                 pm8001_dev,
2529                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2530                         ts->resp = SAS_TASK_UNDELIVERED;
2531                         ts->stat = SAS_QUEUE_FULL;
2532                         pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2533                         return;
2534                 }
2535                 break;
2536         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2537                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2538                 ts->resp = SAS_TASK_COMPLETE;
2539                 ts->stat = SAS_OPEN_REJECT;
2540                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2541                 if (pm8001_dev)
2542                         atomic_dec(&pm8001_dev->running_req);
2543                 break;
2544         case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2545                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n");
2546                 ts->resp = SAS_TASK_COMPLETE;
2547                 ts->stat = SAS_DEV_NO_RESPONSE;
2548                 if (!t->uldd_task) {
2549                         pm8001_handle_event(pm8001_ha,
2550                                 pm8001_dev,
2551                                 IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2552                         ts->resp = SAS_TASK_UNDELIVERED;
2553                         ts->stat = SAS_QUEUE_FULL;
2554                         pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2555                         return;
2556                 }
2557                 break;
2558         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2559                 pm8001_dbg(pm8001_ha, IO,
2560                            "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2561                 ts->resp = SAS_TASK_COMPLETE;
2562                 ts->stat = SAS_OPEN_REJECT;
2563                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2564                 if (pm8001_dev)
2565                         atomic_dec(&pm8001_dev->running_req);
2566                 break;
2567         case IO_XFER_ERROR_NAK_RECEIVED:
2568                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2569                 ts->resp = SAS_TASK_COMPLETE;
2570                 ts->stat = SAS_NAK_R_ERR;
2571                 if (pm8001_dev)
2572                         atomic_dec(&pm8001_dev->running_req);
2573                 break;
2574         case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2575                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2576                 ts->resp = SAS_TASK_COMPLETE;
2577                 ts->stat = SAS_NAK_R_ERR;
2578                 if (pm8001_dev)
2579                         atomic_dec(&pm8001_dev->running_req);
2580                 break;
2581         case IO_XFER_ERROR_DMA:
2582                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2583                 ts->resp = SAS_TASK_COMPLETE;
2584                 ts->stat = SAS_ABORTED_TASK;
2585                 if (pm8001_dev)
2586                         atomic_dec(&pm8001_dev->running_req);
2587                 break;
2588         case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2589                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_SATA_LINK_TIMEOUT\n");
2590                 ts->resp = SAS_TASK_UNDELIVERED;
2591                 ts->stat = SAS_DEV_NO_RESPONSE;
2592                 if (pm8001_dev)
2593                         atomic_dec(&pm8001_dev->running_req);
2594                 break;
2595         case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2596                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2597                 ts->resp = SAS_TASK_COMPLETE;
2598                 ts->stat = SAS_DATA_UNDERRUN;
2599                 if (pm8001_dev)
2600                         atomic_dec(&pm8001_dev->running_req);
2601                 break;
2602         case IO_XFER_OPEN_RETRY_TIMEOUT:
2603                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2604                 ts->resp = SAS_TASK_COMPLETE;
2605                 ts->stat = SAS_OPEN_TO;
2606                 if (pm8001_dev)
2607                         atomic_dec(&pm8001_dev->running_req);
2608                 break;
2609         case IO_PORT_IN_RESET:
2610                 pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2611                 ts->resp = SAS_TASK_COMPLETE;
2612                 ts->stat = SAS_DEV_NO_RESPONSE;
2613                 if (pm8001_dev)
2614                         atomic_dec(&pm8001_dev->running_req);
2615                 break;
2616         case IO_DS_NON_OPERATIONAL:
2617                 pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2618                 ts->resp = SAS_TASK_COMPLETE;
2619                 ts->stat = SAS_DEV_NO_RESPONSE;
2620                 if (!t->uldd_task) {
2621                         pm8001_handle_event(pm8001_ha, pm8001_dev,
2622                                     IO_DS_NON_OPERATIONAL);
2623                         ts->resp = SAS_TASK_UNDELIVERED;
2624                         ts->stat = SAS_QUEUE_FULL;
2625                         pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2626                         return;
2627                 }
2628                 break;
2629         case IO_DS_IN_RECOVERY:
2630                 pm8001_dbg(pm8001_ha, IO, "  IO_DS_IN_RECOVERY\n");
2631                 ts->resp = SAS_TASK_COMPLETE;
2632                 ts->stat = SAS_DEV_NO_RESPONSE;
2633                 if (pm8001_dev)
2634                         atomic_dec(&pm8001_dev->running_req);
2635                 break;
2636         case IO_DS_IN_ERROR:
2637                 pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_ERROR\n");
2638                 ts->resp = SAS_TASK_COMPLETE;
2639                 ts->stat = SAS_DEV_NO_RESPONSE;
2640                 if (!t->uldd_task) {
2641                         pm8001_handle_event(pm8001_ha, pm8001_dev,
2642                                     IO_DS_IN_ERROR);
2643                         ts->resp = SAS_TASK_UNDELIVERED;
2644                         ts->stat = SAS_QUEUE_FULL;
2645                         pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2646                         return;
2647                 }
2648                 break;
2649         case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2650                 pm8001_dbg(pm8001_ha, IO,
2651                            "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2652                 ts->resp = SAS_TASK_COMPLETE;
2653                 ts->stat = SAS_OPEN_REJECT;
2654                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2655                 if (pm8001_dev)
2656                         atomic_dec(&pm8001_dev->running_req);
2657                 break;
2658         default:
2659                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2660                 /* not allowed case. Therefore, return failed status */
2661                 ts->resp = SAS_TASK_COMPLETE;
2662                 ts->stat = SAS_DEV_NO_RESPONSE;
2663                 if (pm8001_dev)
2664                         atomic_dec(&pm8001_dev->running_req);
2665                 break;
2666         }
2667         spin_lock_irqsave(&t->task_state_lock, flags);
2668         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2669         t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2670         t->task_state_flags |= SAS_TASK_STATE_DONE;
2671         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2672                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2673                 pm8001_dbg(pm8001_ha, FAIL,
2674                            "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2675                            t, status, ts->resp, ts->stat);
2676                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2677         } else {
2678                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2679                 pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2680         }
2681 }
2682
2683 /*See the comments for mpi_ssp_completion */
2684 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
2685 {
2686         struct sas_task *t;
2687         struct task_status_struct *ts;
2688         struct pm8001_ccb_info *ccb;
2689         struct pm8001_device *pm8001_dev;
2690         struct sata_event_resp *psataPayload =
2691                 (struct sata_event_resp *)(piomb + 4);
2692         u32 event = le32_to_cpu(psataPayload->event);
2693         u32 tag = le32_to_cpu(psataPayload->tag);
2694         u32 port_id = le32_to_cpu(psataPayload->port_id);
2695         u32 dev_id = le32_to_cpu(psataPayload->device_id);
2696         unsigned long flags;
2697
2698         ccb = &pm8001_ha->ccb_info[tag];
2699
2700         if (ccb) {
2701                 t = ccb->task;
2702                 pm8001_dev = ccb->device;
2703         } else {
2704                 pm8001_dbg(pm8001_ha, FAIL, "No CCB !!!. returning\n");
2705         }
2706         if (event)
2707                 pm8001_dbg(pm8001_ha, FAIL, "SATA EVENT 0x%x\n", event);
2708
2709         /* Check if this is NCQ error */
2710         if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2711                 /* find device using device id */
2712                 pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2713                 /* send read log extension */
2714                 if (pm8001_dev)
2715                         pm8001_send_read_log(pm8001_ha, pm8001_dev);
2716                 return;
2717         }
2718
2719         ccb = &pm8001_ha->ccb_info[tag];
2720         t = ccb->task;
2721         pm8001_dev = ccb->device;
2722         if (event)
2723                 pm8001_dbg(pm8001_ha, FAIL, "sata IO status 0x%x\n", event);
2724         if (unlikely(!t || !t->lldd_task || !t->dev))
2725                 return;
2726         ts = &t->task_status;
2727         pm8001_dbg(pm8001_ha, DEVIO,
2728                    "port_id:0x%x, device_id:0x%x, tag:0x%x, event:0x%x\n",
2729                    port_id, dev_id, tag, event);
2730         switch (event) {
2731         case IO_OVERFLOW:
2732                 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2733                 ts->resp = SAS_TASK_COMPLETE;
2734                 ts->stat = SAS_DATA_OVERRUN;
2735                 ts->residual = 0;
2736                 if (pm8001_dev)
2737                         atomic_dec(&pm8001_dev->running_req);
2738                 break;
2739         case IO_XFER_ERROR_BREAK:
2740                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2741                 ts->resp = SAS_TASK_COMPLETE;
2742                 ts->stat = SAS_INTERRUPTED;
2743                 break;
2744         case IO_XFER_ERROR_PHY_NOT_READY:
2745                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2746                 ts->resp = SAS_TASK_COMPLETE;
2747                 ts->stat = SAS_OPEN_REJECT;
2748                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2749                 break;
2750         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2751                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2752                 ts->resp = SAS_TASK_COMPLETE;
2753                 ts->stat = SAS_OPEN_REJECT;
2754                 ts->open_rej_reason = SAS_OREJ_EPROTO;
2755                 break;
2756         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2757                 pm8001_dbg(pm8001_ha, IO,
2758                            "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2759                 ts->resp = SAS_TASK_COMPLETE;
2760                 ts->stat = SAS_OPEN_REJECT;
2761                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2762                 break;
2763         case IO_OPEN_CNX_ERROR_BREAK:
2764                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2765                 ts->resp = SAS_TASK_COMPLETE;
2766                 ts->stat = SAS_OPEN_REJECT;
2767                 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2768                 break;
2769         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2770                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2771                 ts->resp = SAS_TASK_UNDELIVERED;
2772                 ts->stat = SAS_DEV_NO_RESPONSE;
2773                 if (!t->uldd_task) {
2774                         pm8001_handle_event(pm8001_ha,
2775                                 pm8001_dev,
2776                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2777                         ts->resp = SAS_TASK_COMPLETE;
2778                         ts->stat = SAS_QUEUE_FULL;
2779                         pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2780                         return;
2781                 }
2782                 break;
2783         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2784                 pm8001_dbg(pm8001_ha, IO,
2785                            "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2786                 ts->resp = SAS_TASK_UNDELIVERED;
2787                 ts->stat = SAS_OPEN_REJECT;
2788                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2789                 break;
2790         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2791                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2792                 ts->resp = SAS_TASK_COMPLETE;
2793                 ts->stat = SAS_OPEN_REJECT;
2794                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2795                 break;
2796         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2797                 pm8001_dbg(pm8001_ha, IO,
2798                            "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2799                 ts->resp = SAS_TASK_COMPLETE;
2800                 ts->stat = SAS_OPEN_REJECT;
2801                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2802                 break;
2803         case IO_XFER_ERROR_NAK_RECEIVED:
2804                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2805                 ts->resp = SAS_TASK_COMPLETE;
2806                 ts->stat = SAS_NAK_R_ERR;
2807                 break;
2808         case IO_XFER_ERROR_PEER_ABORTED:
2809                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PEER_ABORTED\n");
2810                 ts->resp = SAS_TASK_COMPLETE;
2811                 ts->stat = SAS_NAK_R_ERR;
2812                 break;
2813         case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2814                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2815                 ts->resp = SAS_TASK_COMPLETE;
2816                 ts->stat = SAS_DATA_UNDERRUN;
2817                 break;
2818         case IO_XFER_OPEN_RETRY_TIMEOUT:
2819                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2820                 ts->resp = SAS_TASK_COMPLETE;
2821                 ts->stat = SAS_OPEN_TO;
2822                 break;
2823         case IO_XFER_ERROR_UNEXPECTED_PHASE:
2824                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2825                 ts->resp = SAS_TASK_COMPLETE;
2826                 ts->stat = SAS_OPEN_TO;
2827                 break;
2828         case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2829                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2830                 ts->resp = SAS_TASK_COMPLETE;
2831                 ts->stat = SAS_OPEN_TO;
2832                 break;
2833         case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2834                 pm8001_dbg(pm8001_ha, IO,
2835                            "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2836                 ts->resp = SAS_TASK_COMPLETE;
2837                 ts->stat = SAS_OPEN_TO;
2838                 break;
2839         case IO_XFER_ERROR_OFFSET_MISMATCH:
2840                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2841                 ts->resp = SAS_TASK_COMPLETE;
2842                 ts->stat = SAS_OPEN_TO;
2843                 break;
2844         case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2845                 pm8001_dbg(pm8001_ha, IO,
2846                            "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2847                 ts->resp = SAS_TASK_COMPLETE;
2848                 ts->stat = SAS_OPEN_TO;
2849                 break;
2850         case IO_XFER_CMD_FRAME_ISSUED:
2851                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2852                 break;
2853         case IO_XFER_PIO_SETUP_ERROR:
2854                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_PIO_SETUP_ERROR\n");
2855                 ts->resp = SAS_TASK_COMPLETE;
2856                 ts->stat = SAS_OPEN_TO;
2857                 break;
2858         default:
2859                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
2860                 /* not allowed case. Therefore, return failed status */
2861                 ts->resp = SAS_TASK_COMPLETE;
2862                 ts->stat = SAS_OPEN_TO;
2863                 break;
2864         }
2865         spin_lock_irqsave(&t->task_state_lock, flags);
2866         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2867         t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2868         t->task_state_flags |= SAS_TASK_STATE_DONE;
2869         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2870                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2871                 pm8001_dbg(pm8001_ha, FAIL,
2872                            "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2873                            t, event, ts->resp, ts->stat);
2874                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2875         } else {
2876                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2877                 pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
2878         }
2879 }
2880
2881 /*See the comments for mpi_ssp_completion */
2882 static void
2883 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2884 {
2885         struct sas_task *t;
2886         struct pm8001_ccb_info *ccb;
2887         unsigned long flags;
2888         u32 status;
2889         u32 tag;
2890         struct smp_completion_resp *psmpPayload;
2891         struct task_status_struct *ts;
2892         struct pm8001_device *pm8001_dev;
2893
2894         psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2895         status = le32_to_cpu(psmpPayload->status);
2896         tag = le32_to_cpu(psmpPayload->tag);
2897
2898         ccb = &pm8001_ha->ccb_info[tag];
2899         t = ccb->task;
2900         ts = &t->task_status;
2901         pm8001_dev = ccb->device;
2902         if (status) {
2903                 pm8001_dbg(pm8001_ha, FAIL, "smp IO status 0x%x\n", status);
2904                 pm8001_dbg(pm8001_ha, IOERR,
2905                            "status:0x%x, tag:0x%x, task:0x%p\n",
2906                            status, tag, t);
2907         }
2908         if (unlikely(!t || !t->lldd_task || !t->dev))
2909                 return;
2910
2911         switch (status) {
2912         case IO_SUCCESS:
2913                 pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2914                 ts->resp = SAS_TASK_COMPLETE;
2915                 ts->stat = SAM_STAT_GOOD;
2916                 if (pm8001_dev)
2917                         atomic_dec(&pm8001_dev->running_req);
2918                 break;
2919         case IO_ABORTED:
2920                 pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB\n");
2921                 ts->resp = SAS_TASK_COMPLETE;
2922                 ts->stat = SAS_ABORTED_TASK;
2923                 if (pm8001_dev)
2924                         atomic_dec(&pm8001_dev->running_req);
2925                 break;
2926         case IO_OVERFLOW:
2927                 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2928                 ts->resp = SAS_TASK_COMPLETE;
2929                 ts->stat = SAS_DATA_OVERRUN;
2930                 ts->residual = 0;
2931                 if (pm8001_dev)
2932                         atomic_dec(&pm8001_dev->running_req);
2933                 break;
2934         case IO_NO_DEVICE:
2935                 pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2936                 ts->resp = SAS_TASK_COMPLETE;
2937                 ts->stat = SAS_PHY_DOWN;
2938                 break;
2939         case IO_ERROR_HW_TIMEOUT:
2940                 pm8001_dbg(pm8001_ha, IO, "IO_ERROR_HW_TIMEOUT\n");
2941                 ts->resp = SAS_TASK_COMPLETE;
2942                 ts->stat = SAM_STAT_BUSY;
2943                 break;
2944         case IO_XFER_ERROR_BREAK:
2945                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2946                 ts->resp = SAS_TASK_COMPLETE;
2947                 ts->stat = SAM_STAT_BUSY;
2948                 break;
2949         case IO_XFER_ERROR_PHY_NOT_READY:
2950                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2951                 ts->resp = SAS_TASK_COMPLETE;
2952                 ts->stat = SAM_STAT_BUSY;
2953                 break;
2954         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2955                 pm8001_dbg(pm8001_ha, IO,
2956                            "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2957                 ts->resp = SAS_TASK_COMPLETE;
2958                 ts->stat = SAS_OPEN_REJECT;
2959                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2960                 break;
2961         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2962                 pm8001_dbg(pm8001_ha, IO,
2963                            "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2964                 ts->resp = SAS_TASK_COMPLETE;
2965                 ts->stat = SAS_OPEN_REJECT;
2966                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2967                 break;
2968         case IO_OPEN_CNX_ERROR_BREAK:
2969                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2970                 ts->resp = SAS_TASK_COMPLETE;
2971                 ts->stat = SAS_OPEN_REJECT;
2972                 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2973                 break;
2974         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2975                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2976                 ts->resp = SAS_TASK_COMPLETE;
2977                 ts->stat = SAS_OPEN_REJECT;
2978                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2979                 pm8001_handle_event(pm8001_ha,
2980                                 pm8001_dev,
2981                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2982                 break;
2983         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2984                 pm8001_dbg(pm8001_ha, IO,
2985                            "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2986                 ts->resp = SAS_TASK_COMPLETE;
2987                 ts->stat = SAS_OPEN_REJECT;
2988                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2989                 break;
2990         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2991                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2992                 ts->resp = SAS_TASK_COMPLETE;
2993                 ts->stat = SAS_OPEN_REJECT;
2994                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2995                 break;
2996         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2997                 pm8001_dbg(pm8001_ha, IO,
2998                            "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2999                 ts->resp = SAS_TASK_COMPLETE;
3000                 ts->stat = SAS_OPEN_REJECT;
3001                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
3002                 break;
3003         case IO_XFER_ERROR_RX_FRAME:
3004                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_RX_FRAME\n");
3005                 ts->resp = SAS_TASK_COMPLETE;
3006                 ts->stat = SAS_DEV_NO_RESPONSE;
3007                 break;
3008         case IO_XFER_OPEN_RETRY_TIMEOUT:
3009                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
3010                 ts->resp = SAS_TASK_COMPLETE;
3011                 ts->stat = SAS_OPEN_REJECT;
3012                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3013                 break;
3014         case IO_ERROR_INTERNAL_SMP_RESOURCE:
3015                 pm8001_dbg(pm8001_ha, IO, "IO_ERROR_INTERNAL_SMP_RESOURCE\n");
3016                 ts->resp = SAS_TASK_COMPLETE;
3017                 ts->stat = SAS_QUEUE_FULL;
3018                 break;
3019         case IO_PORT_IN_RESET:
3020                 pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
3021                 ts->resp = SAS_TASK_COMPLETE;
3022                 ts->stat = SAS_OPEN_REJECT;
3023                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3024                 break;
3025         case IO_DS_NON_OPERATIONAL:
3026                 pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
3027                 ts->resp = SAS_TASK_COMPLETE;
3028                 ts->stat = SAS_DEV_NO_RESPONSE;
3029                 break;
3030         case IO_DS_IN_RECOVERY:
3031                 pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
3032                 ts->resp = SAS_TASK_COMPLETE;
3033                 ts->stat = SAS_OPEN_REJECT;
3034                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3035                 break;
3036         case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
3037                 pm8001_dbg(pm8001_ha, IO,
3038                            "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
3039                 ts->resp = SAS_TASK_COMPLETE;
3040                 ts->stat = SAS_OPEN_REJECT;
3041                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
3042                 break;
3043         default:
3044                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
3045                 ts->resp = SAS_TASK_COMPLETE;
3046                 ts->stat = SAS_DEV_NO_RESPONSE;
3047                 /* not allowed case. Therefore, return failed status */
3048                 break;
3049         }
3050         spin_lock_irqsave(&t->task_state_lock, flags);
3051         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3052         t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3053         t->task_state_flags |= SAS_TASK_STATE_DONE;
3054         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
3055                 spin_unlock_irqrestore(&t->task_state_lock, flags);
3056                 pm8001_dbg(pm8001_ha, FAIL, "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
3057                            t, status, ts->resp, ts->stat);
3058                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3059         } else {
3060                 spin_unlock_irqrestore(&t->task_state_lock, flags);
3061                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3062                 mb();/* in order to force CPU ordering */
3063                 t->task_done(t);
3064         }
3065 }
3066
3067 void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
3068                 void *piomb)
3069 {
3070         struct set_dev_state_resp *pPayload =
3071                 (struct set_dev_state_resp *)(piomb + 4);
3072         u32 tag = le32_to_cpu(pPayload->tag);
3073         struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3074         struct pm8001_device *pm8001_dev = ccb->device;
3075         u32 status = le32_to_cpu(pPayload->status);
3076         u32 device_id = le32_to_cpu(pPayload->device_id);
3077         u8 pds = le32_to_cpu(pPayload->pds_nds) & PDS_BITS;
3078         u8 nds = le32_to_cpu(pPayload->pds_nds) & NDS_BITS;
3079         pm8001_dbg(pm8001_ha, MSG, "Set device id = 0x%x state from 0x%x to 0x%x status = 0x%x!\n",
3080                    device_id, pds, nds, status);
3081         complete(pm8001_dev->setds_completion);
3082         ccb->task = NULL;
3083         ccb->ccb_tag = 0xFFFFFFFF;
3084         pm8001_tag_free(pm8001_ha, tag);
3085 }
3086
3087 void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3088 {
3089         struct get_nvm_data_resp *pPayload =
3090                 (struct get_nvm_data_resp *)(piomb + 4);
3091         u32 tag = le32_to_cpu(pPayload->tag);
3092         struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3093         u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
3094         complete(pm8001_ha->nvmd_completion);
3095         pm8001_dbg(pm8001_ha, MSG, "Set nvm data complete!\n");
3096         if ((dlen_status & NVMD_STAT) != 0) {
3097                 pm8001_dbg(pm8001_ha, FAIL, "Set nvm data error %x\n",
3098                                 dlen_status);
3099         }
3100         ccb->task = NULL;
3101         ccb->ccb_tag = 0xFFFFFFFF;
3102         pm8001_tag_free(pm8001_ha, tag);
3103 }
3104
3105 void
3106 pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3107 {
3108         struct fw_control_ex    *fw_control_context;
3109         struct get_nvm_data_resp *pPayload =
3110                 (struct get_nvm_data_resp *)(piomb + 4);
3111         u32 tag = le32_to_cpu(pPayload->tag);
3112         struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3113         u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
3114         u32 ir_tds_bn_dps_das_nvm =
3115                 le32_to_cpu(pPayload->ir_tda_bn_dps_das_nvm);
3116         void *virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr;
3117         fw_control_context = ccb->fw_control_context;
3118
3119         pm8001_dbg(pm8001_ha, MSG, "Get nvm data complete!\n");
3120         if ((dlen_status & NVMD_STAT) != 0) {
3121                 pm8001_dbg(pm8001_ha, FAIL, "Get nvm data error %x\n",
3122                                 dlen_status);
3123                 complete(pm8001_ha->nvmd_completion);
3124                 /* We should free tag during failure also, the tag is not being
3125                  * freed by requesting path anywhere.
3126                  */
3127                 ccb->task = NULL;
3128                 ccb->ccb_tag = 0xFFFFFFFF;
3129                 pm8001_tag_free(pm8001_ha, tag);
3130                 return;
3131         }
3132         if (ir_tds_bn_dps_das_nvm & IPMode) {
3133                 /* indirect mode - IR bit set */
3134                 pm8001_dbg(pm8001_ha, MSG, "Get NVMD success, IR=1\n");
3135                 if ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == TWI_DEVICE) {
3136                         if (ir_tds_bn_dps_das_nvm == 0x80a80200) {
3137                                 memcpy(pm8001_ha->sas_addr,
3138                                       ((u8 *)virt_addr + 4),
3139                                        SAS_ADDR_SIZE);
3140                                 pm8001_dbg(pm8001_ha, MSG, "Get SAS address from VPD successfully!\n");
3141                         }
3142                 } else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == C_SEEPROM)
3143                         || ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == VPD_FLASH) ||
3144                         ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == EXPAN_ROM)) {
3145                                 ;
3146                 } else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == AAP1_RDUMP)
3147                         || ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == IOP_RDUMP)) {
3148                         ;
3149                 } else {
3150                         /* Should not be happened*/
3151                         pm8001_dbg(pm8001_ha, MSG,
3152                                    "(IR=1)Wrong Device type 0x%x\n",
3153                                    ir_tds_bn_dps_das_nvm);
3154                 }
3155         } else /* direct mode */{
3156                 pm8001_dbg(pm8001_ha, MSG,
3157                            "Get NVMD success, IR=0, dataLen=%d\n",
3158                            (dlen_status & NVMD_LEN) >> 24);
3159         }
3160         /* Though fw_control_context is freed below, usrAddr still needs
3161          * to be updated as this holds the response to the request function
3162          */
3163         memcpy(fw_control_context->usrAddr,
3164                 pm8001_ha->memoryMap.region[NVMD].virt_ptr,
3165                 fw_control_context->len);
3166         kfree(ccb->fw_control_context);
3167         /* To avoid race condition, complete should be
3168          * called after the message is copied to
3169          * fw_control_context->usrAddr
3170          */
3171         complete(pm8001_ha->nvmd_completion);
3172         pm8001_dbg(pm8001_ha, MSG, "Set nvm data complete!\n");
3173         ccb->task = NULL;
3174         ccb->ccb_tag = 0xFFFFFFFF;
3175         pm8001_tag_free(pm8001_ha, tag);
3176 }
3177
3178 int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
3179 {
3180         u32 tag;
3181         struct local_phy_ctl_resp *pPayload =
3182                 (struct local_phy_ctl_resp *)(piomb + 4);
3183         u32 status = le32_to_cpu(pPayload->status);
3184         u32 phy_id = le32_to_cpu(pPayload->phyop_phyid) & ID_BITS;
3185         u32 phy_op = le32_to_cpu(pPayload->phyop_phyid) & OP_BITS;
3186         tag = le32_to_cpu(pPayload->tag);
3187         if (status != 0) {
3188                 pm8001_dbg(pm8001_ha, MSG,
3189                            "%x phy execute %x phy op failed!\n",
3190                            phy_id, phy_op);
3191         } else {
3192                 pm8001_dbg(pm8001_ha, MSG,
3193                            "%x phy execute %x phy op success!\n",
3194                            phy_id, phy_op);
3195                 pm8001_ha->phy[phy_id].reset_success = true;
3196         }
3197         if (pm8001_ha->phy[phy_id].enable_completion) {
3198                 complete(pm8001_ha->phy[phy_id].enable_completion);
3199                 pm8001_ha->phy[phy_id].enable_completion = NULL;
3200         }
3201         pm8001_tag_free(pm8001_ha, tag);
3202         return 0;
3203 }
3204
3205 /**
3206  * pm8001_bytes_dmaed - one of the interface function communication with libsas
3207  * @pm8001_ha: our hba card information
3208  * @i: which phy that received the event.
3209  *
3210  * when HBA driver received the identify done event or initiate FIS received
3211  * event(for SATA), it will invoke this function to notify the sas layer that
3212  * the sas toplogy has formed, please discover the the whole sas domain,
3213  * while receive a broadcast(change) primitive just tell the sas
3214  * layer to discover the changed domain rather than the whole domain.
3215  */
3216 void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
3217 {
3218         struct pm8001_phy *phy = &pm8001_ha->phy[i];
3219         struct asd_sas_phy *sas_phy = &phy->sas_phy;
3220         if (!phy->phy_attached)
3221                 return;
3222
3223         if (sas_phy->phy) {
3224                 struct sas_phy *sphy = sas_phy->phy;
3225                 sphy->negotiated_linkrate = sas_phy->linkrate;
3226                 sphy->minimum_linkrate = phy->minimum_linkrate;
3227                 sphy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3228                 sphy->maximum_linkrate = phy->maximum_linkrate;
3229                 sphy->maximum_linkrate_hw = phy->maximum_linkrate;
3230         }
3231
3232         if (phy->phy_type & PORT_TYPE_SAS) {
3233                 struct sas_identify_frame *id;
3234                 id = (struct sas_identify_frame *)phy->frame_rcvd;
3235                 id->dev_type = phy->identify.device_type;
3236                 id->initiator_bits = SAS_PROTOCOL_ALL;
3237                 id->target_bits = phy->identify.target_port_protocols;
3238         } else if (phy->phy_type & PORT_TYPE_SATA) {
3239                 /*Nothing*/
3240         }
3241         pm8001_dbg(pm8001_ha, MSG, "phy %d byte dmaded.\n", i);
3242
3243         sas_phy->frame_rcvd_size = phy->frame_rcvd_size;
3244         sas_notify_port_event(sas_phy, PORTE_BYTES_DMAED, GFP_ATOMIC);
3245 }
3246
3247 /* Get the link rate speed  */
3248 void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate)
3249 {
3250         struct sas_phy *sas_phy = phy->sas_phy.phy;
3251
3252         switch (link_rate) {
3253         case PHY_SPEED_120:
3254                 phy->sas_phy.linkrate = SAS_LINK_RATE_12_0_GBPS;
3255                 phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_12_0_GBPS;
3256                 break;
3257         case PHY_SPEED_60:
3258                 phy->sas_phy.linkrate = SAS_LINK_RATE_6_0_GBPS;
3259                 phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
3260                 break;
3261         case PHY_SPEED_30:
3262                 phy->sas_phy.linkrate = SAS_LINK_RATE_3_0_GBPS;
3263                 phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
3264                 break;
3265         case PHY_SPEED_15:
3266                 phy->sas_phy.linkrate = SAS_LINK_RATE_1_5_GBPS;
3267                 phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
3268                 break;
3269         }
3270         sas_phy->negotiated_linkrate = phy->sas_phy.linkrate;
3271         sas_phy->maximum_linkrate_hw = SAS_LINK_RATE_6_0_GBPS;
3272         sas_phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3273         sas_phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS;
3274         sas_phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3275 }
3276
3277 /**
3278  * pm8001_get_attached_sas_addr - extract/generate attached SAS address
3279  * @phy: pointer to asd_phy
3280  * @sas_addr: pointer to buffer where the SAS address is to be written
3281  *
3282  * This function extracts the SAS address from an IDENTIFY frame
3283  * received.  If OOB is SATA, then a SAS address is generated from the
3284  * HA tables.
3285  *
3286  * LOCKING: the frame_rcvd_lock needs to be held since this parses the frame
3287  * buffer.
3288  */
3289 void pm8001_get_attached_sas_addr(struct pm8001_phy *phy,
3290         u8 *sas_addr)
3291 {
3292         if (phy->sas_phy.frame_rcvd[0] == 0x34
3293                 && phy->sas_phy.oob_mode == SATA_OOB_MODE) {
3294                 struct pm8001_hba_info *pm8001_ha = phy->sas_phy.ha->lldd_ha;
3295                 /* FIS device-to-host */
3296                 u64 addr = be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr);
3297                 addr += phy->sas_phy.id;
3298                 *(__be64 *)sas_addr = cpu_to_be64(addr);
3299         } else {
3300                 struct sas_identify_frame *idframe =
3301                         (void *) phy->sas_phy.frame_rcvd;
3302                 memcpy(sas_addr, idframe->sas_addr, SAS_ADDR_SIZE);
3303         }
3304 }
3305
3306 /**
3307  * pm8001_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
3308  * @pm8001_ha: our hba card information
3309  * @Qnum: the outbound queue message number.
3310  * @SEA: source of event to ack
3311  * @port_id: port id.
3312  * @phyId: phy id.
3313  * @param0: parameter 0.
3314  * @param1: parameter 1.
3315  */
3316 static void pm8001_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
3317         u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
3318 {
3319         struct hw_event_ack_req  payload;
3320         u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
3321
3322         struct inbound_queue_table *circularQ;
3323
3324         memset((u8 *)&payload, 0, sizeof(payload));
3325         circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
3326         payload.tag = cpu_to_le32(1);
3327         payload.sea_phyid_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
3328                 ((phyId & 0x0F) << 4) | (port_id & 0x0F));
3329         payload.param0 = cpu_to_le32(param0);
3330         payload.param1 = cpu_to_le32(param1);
3331         pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
3332                         sizeof(payload), 0);
3333 }
3334
3335 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
3336         u32 phyId, u32 phy_op);
3337
3338 /**
3339  * hw_event_sas_phy_up -FW tells me a SAS phy up event.
3340  * @pm8001_ha: our hba card information
3341  * @piomb: IO message buffer
3342  */
3343 static void
3344 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3345 {
3346         struct hw_event_resp *pPayload =
3347                 (struct hw_event_resp *)(piomb + 4);
3348         u32 lr_evt_status_phyid_portid =
3349                 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3350         u8 link_rate =
3351                 (u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3352         u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3353         u8 phy_id =
3354                 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3355         u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3356         u8 portstate = (u8)(npip_portstate & 0x0000000F);
3357         struct pm8001_port *port = &pm8001_ha->port[port_id];
3358         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3359         unsigned long flags;
3360         u8 deviceType = pPayload->sas_identify.dev_type;
3361         port->port_state =  portstate;
3362         phy->phy_state = PHY_STATE_LINK_UP_SPC;
3363         pm8001_dbg(pm8001_ha, MSG,
3364                    "HW_EVENT_SAS_PHY_UP port id = %d, phy id = %d\n",
3365                    port_id, phy_id);
3366
3367         switch (deviceType) {
3368         case SAS_PHY_UNUSED:
3369                 pm8001_dbg(pm8001_ha, MSG, "device type no device.\n");
3370                 break;
3371         case SAS_END_DEVICE:
3372                 pm8001_dbg(pm8001_ha, MSG, "end device.\n");
3373                 pm8001_chip_phy_ctl_req(pm8001_ha, phy_id,
3374                         PHY_NOTIFY_ENABLE_SPINUP);
3375                 port->port_attached = 1;
3376                 pm8001_get_lrate_mode(phy, link_rate);
3377                 break;
3378         case SAS_EDGE_EXPANDER_DEVICE:
3379                 pm8001_dbg(pm8001_ha, MSG, "expander device.\n");
3380                 port->port_attached = 1;
3381                 pm8001_get_lrate_mode(phy, link_rate);
3382                 break;
3383         case SAS_FANOUT_EXPANDER_DEVICE:
3384                 pm8001_dbg(pm8001_ha, MSG, "fanout expander device.\n");
3385                 port->port_attached = 1;
3386                 pm8001_get_lrate_mode(phy, link_rate);
3387                 break;
3388         default:
3389                 pm8001_dbg(pm8001_ha, DEVIO, "unknown device type(%x)\n",
3390                            deviceType);
3391                 break;
3392         }
3393         phy->phy_type |= PORT_TYPE_SAS;
3394         phy->identify.device_type = deviceType;
3395         phy->phy_attached = 1;
3396         if (phy->identify.device_type == SAS_END_DEVICE)
3397                 phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
3398         else if (phy->identify.device_type != SAS_PHY_UNUSED)
3399                 phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
3400         phy->sas_phy.oob_mode = SAS_OOB_MODE;
3401         sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3402         spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3403         memcpy(phy->frame_rcvd, &pPayload->sas_identify,
3404                 sizeof(struct sas_identify_frame)-4);
3405         phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
3406         pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3407         spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3408         if (pm8001_ha->flags == PM8001F_RUN_TIME)
3409                 mdelay(200);/*delay a moment to wait disk to spinup*/
3410         pm8001_bytes_dmaed(pm8001_ha, phy_id);
3411 }
3412
3413 /**
3414  * hw_event_sata_phy_up -FW tells me a SATA phy up event.
3415  * @pm8001_ha: our hba card information
3416  * @piomb: IO message buffer
3417  */
3418 static void
3419 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3420 {
3421         struct hw_event_resp *pPayload =
3422                 (struct hw_event_resp *)(piomb + 4);
3423         u32 lr_evt_status_phyid_portid =
3424                 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3425         u8 link_rate =
3426                 (u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3427         u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3428         u8 phy_id =
3429                 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3430         u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3431         u8 portstate = (u8)(npip_portstate & 0x0000000F);
3432         struct pm8001_port *port = &pm8001_ha->port[port_id];
3433         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3434         unsigned long flags;
3435         pm8001_dbg(pm8001_ha, DEVIO, "HW_EVENT_SATA_PHY_UP port id = %d, phy id = %d\n",
3436                    port_id, phy_id);
3437         port->port_state =  portstate;
3438         phy->phy_state = PHY_STATE_LINK_UP_SPC;
3439         port->port_attached = 1;
3440         pm8001_get_lrate_mode(phy, link_rate);
3441         phy->phy_type |= PORT_TYPE_SATA;
3442         phy->phy_attached = 1;
3443         phy->sas_phy.oob_mode = SATA_OOB_MODE;
3444         sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3445         spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3446         memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3447                 sizeof(struct dev_to_host_fis));
3448         phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3449         phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3450         phy->identify.device_type = SAS_SATA_DEV;
3451         pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3452         spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3453         pm8001_bytes_dmaed(pm8001_ha, phy_id);
3454 }
3455
3456 /**
3457  * hw_event_phy_down -we should notify the libsas the phy is down.
3458  * @pm8001_ha: our hba card information
3459  * @piomb: IO message buffer
3460  */
3461 static void
3462 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3463 {
3464         struct hw_event_resp *pPayload =
3465                 (struct hw_event_resp *)(piomb + 4);
3466         u32 lr_evt_status_phyid_portid =
3467                 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3468         u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3469         u8 phy_id =
3470                 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3471         u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3472         u8 portstate = (u8)(npip_portstate & 0x0000000F);
3473         struct pm8001_port *port = &pm8001_ha->port[port_id];
3474         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3475         port->port_state =  portstate;
3476         phy->phy_type = 0;
3477         phy->identify.device_type = 0;
3478         phy->phy_attached = 0;
3479         memset(&phy->dev_sas_addr, 0, SAS_ADDR_SIZE);
3480         switch (portstate) {
3481         case PORT_VALID:
3482                 break;
3483         case PORT_INVALID:
3484                 pm8001_dbg(pm8001_ha, MSG, " PortInvalid portID %d\n",
3485                            port_id);
3486                 pm8001_dbg(pm8001_ha, MSG,
3487                            " Last phy Down and port invalid\n");
3488                 port->port_attached = 0;
3489                 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3490                         port_id, phy_id, 0, 0);
3491                 break;
3492         case PORT_IN_RESET:
3493                 pm8001_dbg(pm8001_ha, MSG, " Port In Reset portID %d\n",
3494                            port_id);
3495                 break;
3496         case PORT_NOT_ESTABLISHED:
3497                 pm8001_dbg(pm8001_ha, MSG,
3498                            " phy Down and PORT_NOT_ESTABLISHED\n");
3499                 port->port_attached = 0;
3500                 break;
3501         case PORT_LOSTCOMM:
3502                 pm8001_dbg(pm8001_ha, MSG, " phy Down and PORT_LOSTCOMM\n");
3503                 pm8001_dbg(pm8001_ha, MSG,
3504                            " Last phy Down and port invalid\n");
3505                 port->port_attached = 0;
3506                 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3507                         port_id, phy_id, 0, 0);
3508                 break;
3509         default:
3510                 port->port_attached = 0;
3511                 pm8001_dbg(pm8001_ha, DEVIO, " phy Down and(default) = %x\n",
3512                            portstate);
3513                 break;
3514
3515         }
3516 }
3517
3518 /**
3519  * pm8001_mpi_reg_resp -process register device ID response.
3520  * @pm8001_ha: our hba card information
3521  * @piomb: IO message buffer
3522  *
3523  * when sas layer find a device it will notify LLDD, then the driver register
3524  * the domain device to FW, this event is the return device ID which the FW
3525  * has assigned, from now,inter-communication with FW is no longer using the
3526  * SAS address, use device ID which FW assigned.
3527  */
3528 int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3529 {
3530         u32 status;
3531         u32 device_id;
3532         u32 htag;
3533         struct pm8001_ccb_info *ccb;
3534         struct pm8001_device *pm8001_dev;
3535         struct dev_reg_resp *registerRespPayload =
3536                 (struct dev_reg_resp *)(piomb + 4);
3537
3538         htag = le32_to_cpu(registerRespPayload->tag);
3539         ccb = &pm8001_ha->ccb_info[htag];
3540         pm8001_dev = ccb->device;
3541         status = le32_to_cpu(registerRespPayload->status);
3542         device_id = le32_to_cpu(registerRespPayload->device_id);
3543         pm8001_dbg(pm8001_ha, MSG, " register device is status = %d\n",
3544                    status);
3545         switch (status) {
3546         case DEVREG_SUCCESS:
3547                 pm8001_dbg(pm8001_ha, MSG, "DEVREG_SUCCESS\n");
3548                 pm8001_dev->device_id = device_id;
3549                 break;
3550         case DEVREG_FAILURE_OUT_OF_RESOURCE:
3551                 pm8001_dbg(pm8001_ha, MSG, "DEVREG_FAILURE_OUT_OF_RESOURCE\n");
3552                 break;
3553         case DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED:
3554                 pm8001_dbg(pm8001_ha, MSG,
3555                            "DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED\n");
3556                 break;
3557         case DEVREG_FAILURE_INVALID_PHY_ID:
3558                 pm8001_dbg(pm8001_ha, MSG, "DEVREG_FAILURE_INVALID_PHY_ID\n");
3559                 break;
3560         case DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED:
3561                 pm8001_dbg(pm8001_ha, MSG,
3562                            "DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED\n");
3563                 break;
3564         case DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE:
3565                 pm8001_dbg(pm8001_ha, MSG,
3566                            "DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE\n");
3567                 break;
3568         case DEVREG_FAILURE_PORT_NOT_VALID_STATE:
3569                 pm8001_dbg(pm8001_ha, MSG,
3570                            "DEVREG_FAILURE_PORT_NOT_VALID_STATE\n");
3571                 break;
3572         case DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID:
3573                 pm8001_dbg(pm8001_ha, MSG,
3574                            "DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID\n");
3575                 break;
3576         default:
3577                 pm8001_dbg(pm8001_ha, MSG,
3578                            "DEVREG_FAILURE_DEVICE_TYPE_NOT_SUPPORTED\n");
3579                 break;
3580         }
3581         complete(pm8001_dev->dcompletion);
3582         ccb->task = NULL;
3583         ccb->ccb_tag = 0xFFFFFFFF;
3584         pm8001_tag_free(pm8001_ha, htag);
3585         return 0;
3586 }
3587
3588 int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3589 {
3590         u32 status;
3591         u32 device_id;
3592         struct dev_reg_resp *registerRespPayload =
3593                 (struct dev_reg_resp *)(piomb + 4);
3594
3595         status = le32_to_cpu(registerRespPayload->status);
3596         device_id = le32_to_cpu(registerRespPayload->device_id);
3597         if (status != 0)
3598                 pm8001_dbg(pm8001_ha, MSG,
3599                            " deregister device failed ,status = %x, device_id = %x\n",
3600                            status, device_id);
3601         return 0;
3602 }
3603
3604 /**
3605  * pm8001_mpi_fw_flash_update_resp - Response from FW for flash update command.
3606  * @pm8001_ha: our hba card information
3607  * @piomb: IO message buffer
3608  */
3609 int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
3610                 void *piomb)
3611 {
3612         u32 status;
3613         struct fw_flash_Update_resp *ppayload =
3614                 (struct fw_flash_Update_resp *)(piomb + 4);
3615         u32 tag = le32_to_cpu(ppayload->tag);
3616         struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3617         status = le32_to_cpu(ppayload->status);
3618         switch (status) {
3619         case FLASH_UPDATE_COMPLETE_PENDING_REBOOT:
3620                 pm8001_dbg(pm8001_ha, MSG,
3621                            ": FLASH_UPDATE_COMPLETE_PENDING_REBOOT\n");
3622                 break;
3623         case FLASH_UPDATE_IN_PROGRESS:
3624                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_IN_PROGRESS\n");
3625                 break;
3626         case FLASH_UPDATE_HDR_ERR:
3627                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_HDR_ERR\n");
3628                 break;
3629         case FLASH_UPDATE_OFFSET_ERR:
3630                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_OFFSET_ERR\n");
3631                 break;
3632         case FLASH_UPDATE_CRC_ERR:
3633                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_CRC_ERR\n");
3634                 break;
3635         case FLASH_UPDATE_LENGTH_ERR:
3636                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_LENGTH_ERR\n");
3637                 break;
3638         case FLASH_UPDATE_HW_ERR:
3639                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_HW_ERR\n");
3640                 break;
3641         case FLASH_UPDATE_DNLD_NOT_SUPPORTED:
3642                 pm8001_dbg(pm8001_ha, MSG,
3643                            ": FLASH_UPDATE_DNLD_NOT_SUPPORTED\n");
3644                 break;
3645         case FLASH_UPDATE_DISABLED:
3646                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_DISABLED\n");
3647                 break;
3648         default:
3649                 pm8001_dbg(pm8001_ha, DEVIO, "No matched status = %d\n",
3650                            status);
3651                 break;
3652         }
3653         kfree(ccb->fw_control_context);
3654         ccb->task = NULL;
3655         ccb->ccb_tag = 0xFFFFFFFF;
3656         pm8001_tag_free(pm8001_ha, tag);
3657         complete(pm8001_ha->nvmd_completion);
3658         return 0;
3659 }
3660
3661 int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3662 {
3663         u32 status;
3664         int i;
3665         struct general_event_resp *pPayload =
3666                 (struct general_event_resp *)(piomb + 4);
3667         status = le32_to_cpu(pPayload->status);
3668         pm8001_dbg(pm8001_ha, MSG, " status = 0x%x\n", status);
3669         for (i = 0; i < GENERAL_EVENT_PAYLOAD; i++)
3670                 pm8001_dbg(pm8001_ha, MSG, "inb_IOMB_payload[0x%x] 0x%x,\n",
3671                            i,
3672                            pPayload->inb_IOMB_payload[i]);
3673         return 0;
3674 }
3675
3676 int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3677 {
3678         struct sas_task *t;
3679         struct pm8001_ccb_info *ccb;
3680         unsigned long flags;
3681         u32 status ;
3682         u32 tag, scp;
3683         struct task_status_struct *ts;
3684         struct pm8001_device *pm8001_dev;
3685
3686         struct task_abort_resp *pPayload =
3687                 (struct task_abort_resp *)(piomb + 4);
3688
3689         status = le32_to_cpu(pPayload->status);
3690         tag = le32_to_cpu(pPayload->tag);
3691         if (!tag) {
3692                 pm8001_dbg(pm8001_ha, FAIL, " TAG NULL. RETURNING !!!\n");
3693                 return -1;
3694         }
3695
3696         scp = le32_to_cpu(pPayload->scp);
3697         ccb = &pm8001_ha->ccb_info[tag];
3698         t = ccb->task;
3699         pm8001_dev = ccb->device; /* retrieve device */
3700
3701         if (!t) {
3702                 pm8001_dbg(pm8001_ha, FAIL, " TASK NULL. RETURNING !!!\n");
3703                 return -1;
3704         }
3705         ts = &t->task_status;
3706         if (status != 0)
3707                 pm8001_dbg(pm8001_ha, FAIL, "task abort failed status 0x%x ,tag = 0x%x, scp= 0x%x\n",
3708                            status, tag, scp);
3709         switch (status) {
3710         case IO_SUCCESS:
3711                 pm8001_dbg(pm8001_ha, EH, "IO_SUCCESS\n");
3712                 ts->resp = SAS_TASK_COMPLETE;
3713                 ts->stat = SAM_STAT_GOOD;
3714                 break;
3715         case IO_NOT_VALID:
3716                 pm8001_dbg(pm8001_ha, EH, "IO_NOT_VALID\n");
3717                 ts->resp = TMF_RESP_FUNC_FAILED;
3718                 break;
3719         }
3720         spin_lock_irqsave(&t->task_state_lock, flags);
3721         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3722         t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3723         t->task_state_flags |= SAS_TASK_STATE_DONE;
3724         spin_unlock_irqrestore(&t->task_state_lock, flags);
3725         pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3726         mb();
3727
3728         if (pm8001_dev->id & NCQ_ABORT_ALL_FLAG) {
3729                 pm8001_tag_free(pm8001_ha, tag);
3730                 sas_free_task(t);
3731                 /* clear the flag */
3732                 pm8001_dev->id &= 0xBFFFFFFF;
3733         } else
3734                 t->task_done(t);
3735
3736         return 0;
3737 }
3738
3739 /**
3740  * mpi_hw_event -The hw event has come.
3741  * @pm8001_ha: our hba card information
3742  * @piomb: IO message buffer
3743  */
3744 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3745 {
3746         unsigned long flags;
3747         struct hw_event_resp *pPayload =
3748                 (struct hw_event_resp *)(piomb + 4);
3749         u32 lr_evt_status_phyid_portid =
3750                 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3751         u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3752         u8 phy_id =
3753                 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3754         u16 eventType =
3755                 (u16)((lr_evt_status_phyid_portid & 0x00FFFF00) >> 8);
3756         u8 status =
3757                 (u8)((lr_evt_status_phyid_portid & 0x0F000000) >> 24);
3758         struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3759         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3760         struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3761         pm8001_dbg(pm8001_ha, DEVIO,
3762                    "SPC HW event for portid:%d, phyid:%d, event:%x, status:%x\n",
3763                    port_id, phy_id, eventType, status);
3764         switch (eventType) {
3765         case HW_EVENT_PHY_START_STATUS:
3766                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS status = %x\n",
3767                            status);
3768                 if (status == 0)
3769                         phy->phy_state = 1;
3770
3771                 if (pm8001_ha->flags == PM8001F_RUN_TIME &&
3772                                 phy->enable_completion != NULL) {
3773                         complete(phy->enable_completion);
3774                         phy->enable_completion = NULL;
3775                 }
3776                 break;
3777         case HW_EVENT_SAS_PHY_UP:
3778                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS\n");
3779                 hw_event_sas_phy_up(pm8001_ha, piomb);
3780                 break;
3781         case HW_EVENT_SATA_PHY_UP:
3782                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_PHY_UP\n");
3783                 hw_event_sata_phy_up(pm8001_ha, piomb);
3784                 break;
3785         case HW_EVENT_PHY_STOP_STATUS:
3786                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_STOP_STATUS status = %x\n",
3787                            status);
3788                 if (status == 0)
3789                         phy->phy_state = 0;
3790                 break;
3791         case HW_EVENT_SATA_SPINUP_HOLD:
3792                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_SPINUP_HOLD\n");
3793                 sas_notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD,
3794                         GFP_ATOMIC);
3795                 break;
3796         case HW_EVENT_PHY_DOWN:
3797                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_DOWN\n");
3798                 sas_notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL,
3799                         GFP_ATOMIC);
3800                 phy->phy_attached = 0;
3801                 phy->phy_state = 0;
3802                 hw_event_phy_down(pm8001_ha, piomb);
3803                 break;
3804         case HW_EVENT_PORT_INVALID:
3805                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_INVALID\n");
3806                 sas_phy_disconnected(sas_phy);
3807                 phy->phy_attached = 0;
3808                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3809                         GFP_ATOMIC);
3810                 break;
3811         /* the broadcast change primitive received, tell the LIBSAS this event
3812         to revalidate the sas domain*/
3813         case HW_EVENT_BROADCAST_CHANGE:
3814                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_CHANGE\n");
3815                 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3816                         port_id, phy_id, 1, 0);
3817                 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3818                 sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3819                 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3820                 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3821                         GFP_ATOMIC);
3822                 break;
3823         case HW_EVENT_PHY_ERROR:
3824                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_ERROR\n");
3825                 sas_phy_disconnected(&phy->sas_phy);
3826                 phy->phy_attached = 0;
3827                 sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR, GFP_ATOMIC);
3828                 break;
3829         case HW_EVENT_BROADCAST_EXP:
3830                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_EXP\n");
3831                 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3832                 sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3833                 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3834                 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3835                         GFP_ATOMIC);
3836                 break;
3837         case HW_EVENT_LINK_ERR_INVALID_DWORD:
3838                 pm8001_dbg(pm8001_ha, MSG,
3839                            "HW_EVENT_LINK_ERR_INVALID_DWORD\n");
3840                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3841                         HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3842                 sas_phy_disconnected(sas_phy);
3843                 phy->phy_attached = 0;
3844                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3845                         GFP_ATOMIC);
3846                 break;
3847         case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3848                 pm8001_dbg(pm8001_ha, MSG,
3849                            "HW_EVENT_LINK_ERR_DISPARITY_ERROR\n");
3850                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3851                         HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3852                         port_id, phy_id, 0, 0);
3853                 sas_phy_disconnected(sas_phy);
3854                 phy->phy_attached = 0;
3855                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3856                         GFP_ATOMIC);
3857                 break;
3858         case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3859                 pm8001_dbg(pm8001_ha, MSG,
3860                            "HW_EVENT_LINK_ERR_CODE_VIOLATION\n");
3861                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3862                         HW_EVENT_LINK_ERR_CODE_VIOLATION,
3863                         port_id, phy_id, 0, 0);
3864                 sas_phy_disconnected(sas_phy);
3865                 phy->phy_attached = 0;
3866                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3867                         GFP_ATOMIC);
3868                 break;
3869         case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3870                 pm8001_dbg(pm8001_ha, MSG,
3871                            "HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n");
3872                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3873                         HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3874                         port_id, phy_id, 0, 0);
3875                 sas_phy_disconnected(sas_phy);
3876                 phy->phy_attached = 0;
3877                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3878                         GFP_ATOMIC);
3879                 break;
3880         case HW_EVENT_MALFUNCTION:
3881                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_MALFUNCTION\n");
3882                 break;
3883         case HW_EVENT_BROADCAST_SES:
3884                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_SES\n");
3885                 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3886                 sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3887                 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3888                 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3889                         GFP_ATOMIC);
3890                 break;
3891         case HW_EVENT_INBOUND_CRC_ERROR:
3892                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_INBOUND_CRC_ERROR\n");
3893                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3894                         HW_EVENT_INBOUND_CRC_ERROR,
3895                         port_id, phy_id, 0, 0);
3896                 break;
3897         case HW_EVENT_HARD_RESET_RECEIVED:
3898                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_HARD_RESET_RECEIVED\n");
3899                 sas_notify_port_event(sas_phy, PORTE_HARD_RESET, GFP_ATOMIC);
3900                 break;
3901         case HW_EVENT_ID_FRAME_TIMEOUT:
3902                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_ID_FRAME_TIMEOUT\n");
3903                 sas_phy_disconnected(sas_phy);
3904                 phy->phy_attached = 0;
3905                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3906                         GFP_ATOMIC);
3907                 break;
3908         case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3909                 pm8001_dbg(pm8001_ha, MSG,
3910                            "HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n");
3911                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3912                         HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3913                         port_id, phy_id, 0, 0);
3914                 sas_phy_disconnected(sas_phy);
3915                 phy->phy_attached = 0;
3916                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3917                         GFP_ATOMIC);
3918                 break;
3919         case HW_EVENT_PORT_RESET_TIMER_TMO:
3920                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_TIMER_TMO\n");
3921                 sas_phy_disconnected(sas_phy);
3922                 phy->phy_attached = 0;
3923                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3924                         GFP_ATOMIC);
3925                 break;
3926         case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3927                 pm8001_dbg(pm8001_ha, MSG,
3928                            "HW_EVENT_PORT_RECOVERY_TIMER_TMO\n");
3929                 sas_phy_disconnected(sas_phy);
3930                 phy->phy_attached = 0;
3931                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3932                         GFP_ATOMIC);
3933                 break;
3934         case HW_EVENT_PORT_RECOVER:
3935                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RECOVER\n");
3936                 break;
3937         case HW_EVENT_PORT_RESET_COMPLETE:
3938                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_COMPLETE\n");
3939                 break;
3940         case EVENT_BROADCAST_ASYNCH_EVENT:
3941                 pm8001_dbg(pm8001_ha, MSG, "EVENT_BROADCAST_ASYNCH_EVENT\n");
3942                 break;
3943         default:
3944                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown event type = %x\n",
3945                            eventType);
3946                 break;
3947         }
3948         return 0;
3949 }
3950
3951 /**
3952  * process_one_iomb - process one outbound Queue memory block
3953  * @pm8001_ha: our hba card information
3954  * @piomb: IO message buffer
3955  */
3956 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3957 {
3958         __le32 pHeader = *(__le32 *)piomb;
3959         u8 opc = (u8)((le32_to_cpu(pHeader)) & 0xFFF);
3960
3961         pm8001_dbg(pm8001_ha, MSG, "process_one_iomb:\n");
3962
3963         switch (opc) {
3964         case OPC_OUB_ECHO:
3965                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_ECHO\n");
3966                 break;
3967         case OPC_OUB_HW_EVENT:
3968                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_HW_EVENT\n");
3969                 mpi_hw_event(pm8001_ha, piomb);
3970                 break;
3971         case OPC_OUB_SSP_COMP:
3972                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_COMP\n");
3973                 mpi_ssp_completion(pm8001_ha, piomb);
3974                 break;
3975         case OPC_OUB_SMP_COMP:
3976                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_COMP\n");
3977                 mpi_smp_completion(pm8001_ha, piomb);
3978                 break;
3979         case OPC_OUB_LOCAL_PHY_CNTRL:
3980                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_LOCAL_PHY_CNTRL\n");
3981                 pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3982                 break;
3983         case OPC_OUB_DEV_REGIST:
3984                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_REGIST\n");
3985                 pm8001_mpi_reg_resp(pm8001_ha, piomb);
3986                 break;
3987         case OPC_OUB_DEREG_DEV:
3988                 pm8001_dbg(pm8001_ha, MSG, "unregister the device\n");
3989                 pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3990                 break;
3991         case OPC_OUB_GET_DEV_HANDLE:
3992                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEV_HANDLE\n");
3993                 break;
3994         case OPC_OUB_SATA_COMP:
3995                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_COMP\n");
3996                 mpi_sata_completion(pm8001_ha, piomb);
3997                 break;
3998         case OPC_OUB_SATA_EVENT:
3999                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_EVENT\n");
4000                 mpi_sata_event(pm8001_ha, piomb);
4001                 break;
4002         case OPC_OUB_SSP_EVENT:
4003                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_EVENT\n");
4004                 mpi_ssp_event(pm8001_ha, piomb);
4005                 break;
4006         case OPC_OUB_DEV_HANDLE_ARRIV:
4007                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_HANDLE_ARRIV\n");
4008                 /*This is for target*/
4009                 break;
4010         case OPC_OUB_SSP_RECV_EVENT:
4011                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_RECV_EVENT\n");
4012                 /*This is for target*/
4013                 break;
4014         case OPC_OUB_DEV_INFO:
4015                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_INFO\n");
4016                 break;
4017         case OPC_OUB_FW_FLASH_UPDATE:
4018                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_FW_FLASH_UPDATE\n");
4019                 pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
4020                 break;
4021         case OPC_OUB_GPIO_RESPONSE:
4022                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_RESPONSE\n");
4023                 break;
4024         case OPC_OUB_GPIO_EVENT:
4025                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_EVENT\n");
4026                 break;
4027         case OPC_OUB_GENERAL_EVENT:
4028                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GENERAL_EVENT\n");
4029                 pm8001_mpi_general_event(pm8001_ha, piomb);
4030                 break;
4031         case OPC_OUB_SSP_ABORT_RSP:
4032                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_ABORT_RSP\n");
4033                 pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4034                 break;
4035         case OPC_OUB_SATA_ABORT_RSP:
4036                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_ABORT_RSP\n");
4037                 pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4038                 break;
4039         case OPC_OUB_SAS_DIAG_MODE_START_END:
4040                 pm8001_dbg(pm8001_ha, MSG,
4041                            "OPC_OUB_SAS_DIAG_MODE_START_END\n");
4042                 break;
4043         case OPC_OUB_SAS_DIAG_EXECUTE:
4044                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_DIAG_EXECUTE\n");
4045                 break;
4046         case OPC_OUB_GET_TIME_STAMP:
4047                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_TIME_STAMP\n");
4048                 break;
4049         case OPC_OUB_SAS_HW_EVENT_ACK:
4050                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_HW_EVENT_ACK\n");
4051                 break;
4052         case OPC_OUB_PORT_CONTROL:
4053                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_PORT_CONTROL\n");
4054                 break;
4055         case OPC_OUB_SMP_ABORT_RSP:
4056                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_ABORT_RSP\n");
4057                 pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
4058                 break;
4059         case OPC_OUB_GET_NVMD_DATA:
4060                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_NVMD_DATA\n");
4061                 pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
4062                 break;
4063         case OPC_OUB_SET_NVMD_DATA:
4064                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_NVMD_DATA\n");
4065                 pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
4066                 break;
4067         case OPC_OUB_DEVICE_HANDLE_REMOVAL:
4068                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEVICE_HANDLE_REMOVAL\n");
4069                 break;
4070         case OPC_OUB_SET_DEVICE_STATE:
4071                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEVICE_STATE\n");
4072                 pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
4073                 break;
4074         case OPC_OUB_GET_DEVICE_STATE:
4075                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEVICE_STATE\n");
4076                 break;
4077         case OPC_OUB_SET_DEV_INFO:
4078                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEV_INFO\n");
4079                 break;
4080         case OPC_OUB_SAS_RE_INITIALIZE:
4081                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_RE_INITIALIZE\n");
4082                 break;
4083         default:
4084                 pm8001_dbg(pm8001_ha, DEVIO,
4085                            "Unknown outbound Queue IOMB OPC = %x\n",
4086                            opc);
4087                 break;
4088         }
4089 }
4090
4091 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
4092 {
4093         struct outbound_queue_table *circularQ;
4094         void *pMsg1 = NULL;
4095         u8 bc;
4096         u32 ret = MPI_IO_STATUS_FAIL;
4097         unsigned long flags;
4098
4099         spin_lock_irqsave(&pm8001_ha->lock, flags);
4100         circularQ = &pm8001_ha->outbnd_q_tbl[vec];
4101         do {
4102                 ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
4103                 if (MPI_IO_STATUS_SUCCESS == ret) {
4104                         /* process the outbound message */
4105                         process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
4106                         /* free the message from the outbound circular buffer */
4107                         pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
4108                                                         circularQ, bc);
4109                 }
4110                 if (MPI_IO_STATUS_BUSY == ret) {
4111                         /* Update the producer index from SPC */
4112                         circularQ->producer_index =
4113                                 cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
4114                         if (le32_to_cpu(circularQ->producer_index) ==
4115                                 circularQ->consumer_idx)
4116                                 /* OQ is empty */
4117                                 break;
4118                 }
4119         } while (1);
4120         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
4121         return ret;
4122 }
4123
4124 /* DMA_... to our direction translation. */
4125 static const u8 data_dir_flags[] = {
4126         [DMA_BIDIRECTIONAL]     = DATA_DIR_BYRECIPIENT, /* UNSPECIFIED */
4127         [DMA_TO_DEVICE]         = DATA_DIR_OUT,         /* OUTBOUND */
4128         [DMA_FROM_DEVICE]       = DATA_DIR_IN,          /* INBOUND */
4129         [DMA_NONE]              = DATA_DIR_NONE,        /* NO TRANSFER */
4130 };
4131 void
4132 pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd)
4133 {
4134         int i;
4135         struct scatterlist *sg;
4136         struct pm8001_prd *buf_prd = prd;
4137
4138         for_each_sg(scatter, sg, nr, i) {
4139                 buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
4140                 buf_prd->im_len.len = cpu_to_le32(sg_dma_len(sg));
4141                 buf_prd->im_len.e = 0;
4142                 buf_prd++;
4143         }
4144 }
4145
4146 static void build_smp_cmd(u32 deviceID, __le32 hTag, struct smp_req *psmp_cmd)
4147 {
4148         psmp_cmd->tag = hTag;
4149         psmp_cmd->device_id = cpu_to_le32(deviceID);
4150         psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
4151 }
4152
4153 /**
4154  * pm8001_chip_smp_req - send a SMP task to FW
4155  * @pm8001_ha: our hba card information.
4156  * @ccb: the ccb information this request used.
4157  */
4158 static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
4159         struct pm8001_ccb_info *ccb)
4160 {
4161         int elem, rc;
4162         struct sas_task *task = ccb->task;
4163         struct domain_device *dev = task->dev;
4164         struct pm8001_device *pm8001_dev = dev->lldd_dev;
4165         struct scatterlist *sg_req, *sg_resp;
4166         u32 req_len, resp_len;
4167         struct smp_req smp_cmd;
4168         u32 opc;
4169         struct inbound_queue_table *circularQ;
4170
4171         memset(&smp_cmd, 0, sizeof(smp_cmd));
4172         /*
4173          * DMA-map SMP request, response buffers
4174          */
4175         sg_req = &task->smp_task.smp_req;
4176         elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE);
4177         if (!elem)
4178                 return -ENOMEM;
4179         req_len = sg_dma_len(sg_req);
4180
4181         sg_resp = &task->smp_task.smp_resp;
4182         elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE);
4183         if (!elem) {
4184                 rc = -ENOMEM;
4185                 goto err_out;
4186         }
4187         resp_len = sg_dma_len(sg_resp);
4188         /* must be in dwords */
4189         if ((req_len & 0x3) || (resp_len & 0x3)) {
4190                 rc = -EINVAL;
4191                 goto err_out_2;
4192         }
4193
4194         opc = OPC_INB_SMP_REQUEST;
4195         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4196         smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
4197         smp_cmd.long_smp_req.long_req_addr =
4198                 cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
4199         smp_cmd.long_smp_req.long_req_size =
4200                 cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
4201         smp_cmd.long_smp_req.long_resp_addr =
4202                 cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_resp));
4203         smp_cmd.long_smp_req.long_resp_size =
4204                 cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
4205         build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd);
4206         rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
4207                         &smp_cmd, sizeof(smp_cmd), 0);
4208         if (rc)
4209                 goto err_out_2;
4210
4211         return 0;
4212
4213 err_out_2:
4214         dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
4215                         DMA_FROM_DEVICE);
4216 err_out:
4217         dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
4218                         DMA_TO_DEVICE);
4219         return rc;
4220 }
4221
4222 /**
4223  * pm8001_chip_ssp_io_req - send a SSP task to FW
4224  * @pm8001_ha: our hba card information.
4225  * @ccb: the ccb information this request used.
4226  */
4227 static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
4228         struct pm8001_ccb_info *ccb)
4229 {
4230         struct sas_task *task = ccb->task;
4231         struct domain_device *dev = task->dev;
4232         struct pm8001_device *pm8001_dev = dev->lldd_dev;
4233         struct ssp_ini_io_start_req ssp_cmd;
4234         u32 tag = ccb->ccb_tag;
4235         int ret;
4236         u64 phys_addr;
4237         struct inbound_queue_table *circularQ;
4238         u32 opc = OPC_INB_SSPINIIOSTART;
4239         memset(&ssp_cmd, 0, sizeof(ssp_cmd));
4240         memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
4241         ssp_cmd.dir_m_tlr =
4242                 cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);/*0 for
4243         SAS 1.1 compatible TLR*/
4244         ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4245         ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4246         ssp_cmd.tag = cpu_to_le32(tag);
4247         if (task->ssp_task.enable_first_burst)
4248                 ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
4249         ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
4250         ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4251         memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4252                task->ssp_task.cmd->cmd_len);
4253         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4254
4255         /* fill in PRD (scatter/gather) table, if any */
4256         if (task->num_scatter > 1) {
4257                 pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4258                 phys_addr = ccb->ccb_dma_handle;
4259                 ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(phys_addr));
4260                 ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(phys_addr));
4261                 ssp_cmd.esgl = cpu_to_le32(1<<31);
4262         } else if (task->num_scatter == 1) {
4263                 u64 dma_addr = sg_dma_address(task->scatter);
4264                 ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4265                 ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(dma_addr));
4266                 ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4267                 ssp_cmd.esgl = 0;
4268         } else if (task->num_scatter == 0) {
4269                 ssp_cmd.addr_low = 0;
4270                 ssp_cmd.addr_high = 0;
4271                 ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4272                 ssp_cmd.esgl = 0;
4273         }
4274         ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &ssp_cmd,
4275                         sizeof(ssp_cmd), 0);
4276         return ret;
4277 }
4278
4279 static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4280         struct pm8001_ccb_info *ccb)
4281 {
4282         struct sas_task *task = ccb->task;
4283         struct domain_device *dev = task->dev;
4284         struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4285         u32 tag = ccb->ccb_tag;
4286         int ret;
4287         struct sata_start_req sata_cmd;
4288         u32 hdr_tag, ncg_tag = 0;
4289         u64 phys_addr;
4290         u32 ATAP = 0x0;
4291         u32 dir;
4292         struct inbound_queue_table *circularQ;
4293         unsigned long flags;
4294         u32  opc = OPC_INB_SATA_HOST_OPSTART;
4295         memset(&sata_cmd, 0, sizeof(sata_cmd));
4296         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4297         if (task->data_dir == DMA_NONE) {
4298                 ATAP = 0x04;  /* no data*/
4299                 pm8001_dbg(pm8001_ha, IO, "no data\n");
4300         } else if (likely(!task->ata_task.device_control_reg_update)) {
4301                 if (task->ata_task.dma_xfer) {
4302                         ATAP = 0x06; /* DMA */
4303                         pm8001_dbg(pm8001_ha, IO, "DMA\n");
4304                 } else {
4305                         ATAP = 0x05; /* PIO*/
4306                         pm8001_dbg(pm8001_ha, IO, "PIO\n");
4307                 }
4308                 if (task->ata_task.use_ncq &&
4309                         dev->sata_dev.class != ATA_DEV_ATAPI) {
4310                         ATAP = 0x07; /* FPDMA */
4311                         pm8001_dbg(pm8001_ha, IO, "FPDMA\n");
4312                 }
4313         }
4314         if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4315                 task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4316                 ncg_tag = hdr_tag;
4317         }
4318         dir = data_dir_flags[task->data_dir] << 8;
4319         sata_cmd.tag = cpu_to_le32(tag);
4320         sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4321         sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4322         sata_cmd.ncqtag_atap_dir_m =
4323                 cpu_to_le32(((ncg_tag & 0xff)<<16)|((ATAP & 0x3f) << 10) | dir);
4324         sata_cmd.sata_fis = task->ata_task.fis;
4325         if (likely(!task->ata_task.device_control_reg_update))
4326                 sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4327         sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4328         /* fill in PRD (scatter/gather) table, if any */
4329         if (task->num_scatter > 1) {
4330                 pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4331                 phys_addr = ccb->ccb_dma_handle;
4332                 sata_cmd.addr_low = lower_32_bits(phys_addr);
4333                 sata_cmd.addr_high = upper_32_bits(phys_addr);
4334                 sata_cmd.esgl = cpu_to_le32(1 << 31);
4335         } else if (task->num_scatter == 1) {
4336                 u64 dma_addr = sg_dma_address(task->scatter);
4337                 sata_cmd.addr_low = lower_32_bits(dma_addr);
4338                 sata_cmd.addr_high = upper_32_bits(dma_addr);
4339                 sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4340                 sata_cmd.esgl = 0;
4341         } else if (task->num_scatter == 0) {
4342                 sata_cmd.addr_low = 0;
4343                 sata_cmd.addr_high = 0;
4344                 sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4345                 sata_cmd.esgl = 0;
4346         }
4347
4348         /* Check for read log for failed drive and return */
4349         if (sata_cmd.sata_fis.command == 0x2f) {
4350                 if (((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
4351                         (pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
4352                         (pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
4353                         struct task_status_struct *ts;
4354
4355                         pm8001_ha_dev->id &= 0xDFFFFFFF;
4356                         ts = &task->task_status;
4357
4358                         spin_lock_irqsave(&task->task_state_lock, flags);
4359                         ts->resp = SAS_TASK_COMPLETE;
4360                         ts->stat = SAM_STAT_GOOD;
4361                         task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
4362                         task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
4363                         task->task_state_flags |= SAS_TASK_STATE_DONE;
4364                         if (unlikely((task->task_state_flags &
4365                                         SAS_TASK_STATE_ABORTED))) {
4366                                 spin_unlock_irqrestore(&task->task_state_lock,
4367                                                         flags);
4368                                 pm8001_dbg(pm8001_ha, FAIL,
4369                                            "task 0x%p resp 0x%x  stat 0x%x but aborted by upper layer\n",
4370                                            task, ts->resp,
4371                                            ts->stat);
4372                                 pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
4373                         } else {
4374                                 spin_unlock_irqrestore(&task->task_state_lock,
4375                                                         flags);
4376                                 pm8001_ccb_task_free_done(pm8001_ha, task,
4377                                                                 ccb, tag);
4378                                 return 0;
4379                         }
4380                 }
4381         }
4382
4383         ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd,
4384                         sizeof(sata_cmd), 0);
4385         return ret;
4386 }
4387
4388 /**
4389  * pm8001_chip_phy_start_req - start phy via PHY_START COMMAND
4390  * @pm8001_ha: our hba card information.
4391  * @phy_id: the phy id which we wanted to start up.
4392  */
4393 static int
4394 pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4395 {
4396         struct phy_start_req payload;
4397         struct inbound_queue_table *circularQ;
4398         int ret;
4399         u32 tag = 0x01;
4400         u32 opcode = OPC_INB_PHYSTART;
4401         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4402         memset(&payload, 0, sizeof(payload));
4403         payload.tag = cpu_to_le32(tag);
4404         /*
4405          ** [0:7]   PHY Identifier
4406          ** [8:11]  link rate 1.5G, 3G, 6G
4407          ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b both
4408          ** [14]    0b disable spin up hold; 1b enable spin up hold
4409          */
4410         payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4411                 LINKMODE_AUTO | LINKRATE_15 |
4412                 LINKRATE_30 | LINKRATE_60 | phy_id);
4413         payload.sas_identify.dev_type = SAS_END_DEVICE;
4414         payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4415         memcpy(payload.sas_identify.sas_addr,
4416                 pm8001_ha->sas_addr, SAS_ADDR_SIZE);
4417         payload.sas_identify.phy_id = phy_id;
4418         ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload,
4419                         sizeof(payload), 0);
4420         return ret;
4421 }
4422
4423 /**
4424  * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4425  * @pm8001_ha: our hba card information.
4426  * @phy_id: the phy id which we wanted to start up.
4427  */
4428 static int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4429                                     u8 phy_id)
4430 {
4431         struct phy_stop_req payload;
4432         struct inbound_queue_table *circularQ;
4433         int ret;
4434         u32 tag = 0x01;
4435         u32 opcode = OPC_INB_PHYSTOP;
4436         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4437         memset(&payload, 0, sizeof(payload));
4438         payload.tag = cpu_to_le32(tag);
4439         payload.phy_id = cpu_to_le32(phy_id);
4440         ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload,
4441                         sizeof(payload), 0);
4442         return ret;
4443 }
4444
4445 /*
4446  * see comments on pm8001_mpi_reg_resp.
4447  */
4448 static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4449         struct pm8001_device *pm8001_dev, u32 flag)
4450 {
4451         struct reg_dev_req payload;
4452         u32     opc;
4453         u32 stp_sspsmp_sata = 0x4;
4454         struct inbound_queue_table *circularQ;
4455         u32 linkrate, phy_id;
4456         int rc, tag = 0xdeadbeef;
4457         struct pm8001_ccb_info *ccb;
4458         u8 retryFlag = 0x1;
4459         u16 firstBurstSize = 0;
4460         u16 ITNT = 2000;
4461         struct domain_device *dev = pm8001_dev->sas_device;
4462         struct domain_device *parent_dev = dev->parent;
4463         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4464
4465         memset(&payload, 0, sizeof(payload));
4466         rc = pm8001_tag_alloc(pm8001_ha, &tag);
4467         if (rc)
4468                 return rc;
4469         ccb = &pm8001_ha->ccb_info[tag];
4470         ccb->device = pm8001_dev;
4471         ccb->ccb_tag = tag;
4472         payload.tag = cpu_to_le32(tag);
4473         if (flag == 1)
4474                 stp_sspsmp_sata = 0x02; /*direct attached sata */
4475         else {
4476                 if (pm8001_dev->dev_type == SAS_SATA_DEV)
4477                         stp_sspsmp_sata = 0x00; /* stp*/
4478                 else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4479                         pm8001_dev->dev_type == SAS_EDGE_EXPANDER_DEVICE ||
4480                         pm8001_dev->dev_type == SAS_FANOUT_EXPANDER_DEVICE)
4481                         stp_sspsmp_sata = 0x01; /*ssp or smp*/
4482         }
4483         if (parent_dev && dev_is_expander(parent_dev->dev_type))
4484                 phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4485         else
4486                 phy_id = pm8001_dev->attached_phy;
4487         opc = OPC_INB_REG_DEV;
4488         linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4489                         pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4490         payload.phyid_portid =
4491                 cpu_to_le32(((pm8001_dev->sas_device->port->id) & 0x0F) |
4492                 ((phy_id & 0x0F) << 4));
4493         payload.dtype_dlr_retry = cpu_to_le32((retryFlag & 0x01) |
4494                 ((linkrate & 0x0F) * 0x1000000) |
4495                 ((stp_sspsmp_sata & 0x03) * 0x10000000));
4496         payload.firstburstsize_ITNexustimeout =
4497                 cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4498         memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4499                 SAS_ADDR_SIZE);
4500         rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4501                         sizeof(payload), 0);
4502         return rc;
4503 }
4504
4505 /*
4506  * see comments on pm8001_mpi_reg_resp.
4507  */
4508 int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha,
4509         u32 device_id)
4510 {
4511         struct dereg_dev_req payload;
4512         u32 opc = OPC_INB_DEREG_DEV_HANDLE;
4513         int ret;
4514         struct inbound_queue_table *circularQ;
4515
4516         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4517         memset(&payload, 0, sizeof(payload));
4518         payload.tag = cpu_to_le32(1);
4519         payload.device_id = cpu_to_le32(device_id);
4520         pm8001_dbg(pm8001_ha, MSG, "unregister device device_id = %d\n",
4521                    device_id);
4522         ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4523                         sizeof(payload), 0);
4524         return ret;
4525 }
4526
4527 /**
4528  * pm8001_chip_phy_ctl_req - support the local phy operation
4529  * @pm8001_ha: our hba card information.
4530  * @phyId: the phy id which we wanted to operate
4531  * @phy_op: the phy operation to request
4532  */
4533 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4534         u32 phyId, u32 phy_op)
4535 {
4536         struct local_phy_ctl_req payload;
4537         struct inbound_queue_table *circularQ;
4538         int ret;
4539         u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4540         memset(&payload, 0, sizeof(payload));
4541         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4542         payload.tag = cpu_to_le32(1);
4543         payload.phyop_phyid =
4544                 cpu_to_le32(((phy_op & 0xff) << 8) | (phyId & 0x0F));
4545         ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4546                         sizeof(payload), 0);
4547         return ret;
4548 }
4549
4550 static u32 pm8001_chip_is_our_interrupt(struct pm8001_hba_info *pm8001_ha)
4551 {
4552 #ifdef PM8001_USE_MSIX
4553         return 1;
4554 #else
4555         u32 value;
4556
4557         value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4558         if (value)
4559                 return 1;
4560         return 0;
4561 #endif
4562 }
4563
4564 /**
4565  * pm8001_chip_isr - PM8001 isr handler.
4566  * @pm8001_ha: our hba card information.
4567  * @vec: IRQ number
4568  */
4569 static irqreturn_t
4570 pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4571 {
4572         pm8001_chip_interrupt_disable(pm8001_ha, vec);
4573         pm8001_dbg(pm8001_ha, DEVIO,
4574                    "irq vec %d, ODMR:0x%x\n",
4575                    vec, pm8001_cr32(pm8001_ha, 0, 0x30));
4576         process_oq(pm8001_ha, vec);
4577         pm8001_chip_interrupt_enable(pm8001_ha, vec);
4578         return IRQ_HANDLED;
4579 }
4580
4581 static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc,
4582         u32 dev_id, u8 flag, u32 task_tag, u32 cmd_tag)
4583 {
4584         struct task_abort_req task_abort;
4585         struct inbound_queue_table *circularQ;
4586         int ret;
4587         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4588         memset(&task_abort, 0, sizeof(task_abort));
4589         if (ABORT_SINGLE == (flag & ABORT_MASK)) {
4590                 task_abort.abort_all = 0;
4591                 task_abort.device_id = cpu_to_le32(dev_id);
4592                 task_abort.tag_to_abort = cpu_to_le32(task_tag);
4593                 task_abort.tag = cpu_to_le32(cmd_tag);
4594         } else if (ABORT_ALL == (flag & ABORT_MASK)) {
4595                 task_abort.abort_all = cpu_to_le32(1);
4596                 task_abort.device_id = cpu_to_le32(dev_id);
4597                 task_abort.tag = cpu_to_le32(cmd_tag);
4598         }
4599         ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort,
4600                         sizeof(task_abort), 0);
4601         return ret;
4602 }
4603
4604 /*
4605  * pm8001_chip_abort_task - SAS abort task when error or exception happened.
4606  */
4607 int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
4608         struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag, u32 cmd_tag)
4609 {
4610         u32 opc, device_id;
4611         int rc = TMF_RESP_FUNC_FAILED;
4612         pm8001_dbg(pm8001_ha, EH, "cmd_tag = %x, abort task tag = 0x%x\n",
4613                    cmd_tag, task_tag);
4614         if (pm8001_dev->dev_type == SAS_END_DEVICE)
4615                 opc = OPC_INB_SSP_ABORT;
4616         else if (pm8001_dev->dev_type == SAS_SATA_DEV)
4617                 opc = OPC_INB_SATA_ABORT;
4618         else
4619                 opc = OPC_INB_SMP_ABORT;/* SMP */
4620         device_id = pm8001_dev->device_id;
4621         rc = send_task_abort(pm8001_ha, opc, device_id, flag,
4622                 task_tag, cmd_tag);
4623         if (rc != TMF_RESP_FUNC_COMPLETE)
4624                 pm8001_dbg(pm8001_ha, EH, "rc= %d\n", rc);
4625         return rc;
4626 }
4627
4628 /**
4629  * pm8001_chip_ssp_tm_req - built the task management command.
4630  * @pm8001_ha: our hba card information.
4631  * @ccb: the ccb information.
4632  * @tmf: task management function.
4633  */
4634 int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
4635         struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf)
4636 {
4637         struct sas_task *task = ccb->task;
4638         struct domain_device *dev = task->dev;
4639         struct pm8001_device *pm8001_dev = dev->lldd_dev;
4640         u32 opc = OPC_INB_SSPINITMSTART;
4641         struct inbound_queue_table *circularQ;
4642         struct ssp_ini_tm_start_req sspTMCmd;
4643         int ret;
4644
4645         memset(&sspTMCmd, 0, sizeof(sspTMCmd));
4646         sspTMCmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4647         sspTMCmd.relate_tag = cpu_to_le32(tmf->tag_of_task_to_be_managed);
4648         sspTMCmd.tmf = cpu_to_le32(tmf->tmf);
4649         memcpy(sspTMCmd.lun, task->ssp_task.LUN, 8);
4650         sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag);
4651         if (pm8001_ha->chip_id != chip_8001)
4652                 sspTMCmd.ds_ads_m = 0x08;
4653         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4654         ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sspTMCmd,
4655                         sizeof(sspTMCmd), 0);
4656         return ret;
4657 }
4658
4659 int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4660         void *payload)
4661 {
4662         u32 opc = OPC_INB_GET_NVMD_DATA;
4663         u32 nvmd_type;
4664         int rc;
4665         u32 tag;
4666         struct pm8001_ccb_info *ccb;
4667         struct inbound_queue_table *circularQ;
4668         struct get_nvm_data_req nvmd_req;
4669         struct fw_control_ex *fw_control_context;
4670         struct pm8001_ioctl_payload *ioctl_payload = payload;
4671
4672         nvmd_type = ioctl_payload->minor_function;
4673         fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4674         if (!fw_control_context)
4675                 return -ENOMEM;
4676         fw_control_context->usrAddr = (u8 *)ioctl_payload->func_specific;
4677         fw_control_context->len = ioctl_payload->rd_length;
4678         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4679         memset(&nvmd_req, 0, sizeof(nvmd_req));
4680         rc = pm8001_tag_alloc(pm8001_ha, &tag);
4681         if (rc) {
4682                 kfree(fw_control_context);
4683                 return rc;
4684         }
4685         ccb = &pm8001_ha->ccb_info[tag];
4686         ccb->ccb_tag = tag;
4687         ccb->fw_control_context = fw_control_context;
4688         nvmd_req.tag = cpu_to_le32(tag);
4689
4690         switch (nvmd_type) {
4691         case TWI_DEVICE: {
4692                 u32 twi_addr, twi_page_size;
4693                 twi_addr = 0xa8;
4694                 twi_page_size = 2;
4695
4696                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4697                         twi_page_size << 8 | TWI_DEVICE);
4698                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4699                 nvmd_req.resp_addr_hi =
4700                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4701                 nvmd_req.resp_addr_lo =
4702                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4703                 break;
4704         }
4705         case C_SEEPROM: {
4706                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4707                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4708                 nvmd_req.resp_addr_hi =
4709                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4710                 nvmd_req.resp_addr_lo =
4711                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4712                 break;
4713         }
4714         case VPD_FLASH: {
4715                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4716                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4717                 nvmd_req.resp_addr_hi =
4718                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4719                 nvmd_req.resp_addr_lo =
4720                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4721                 break;
4722         }
4723         case EXPAN_ROM: {
4724                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4725                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4726                 nvmd_req.resp_addr_hi =
4727                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4728                 nvmd_req.resp_addr_lo =
4729                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4730                 break;
4731         }
4732         case IOP_RDUMP: {
4733                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | IOP_RDUMP);
4734                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4735                 nvmd_req.vpd_offset = cpu_to_le32(ioctl_payload->offset);
4736                 nvmd_req.resp_addr_hi =
4737                 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4738                 nvmd_req.resp_addr_lo =
4739                 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4740                 break;
4741         }
4742         default:
4743                 break;
4744         }
4745         rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req,
4746                         sizeof(nvmd_req), 0);
4747         if (rc) {
4748                 kfree(fw_control_context);
4749                 pm8001_tag_free(pm8001_ha, tag);
4750         }
4751         return rc;
4752 }
4753
4754 int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4755         void *payload)
4756 {
4757         u32 opc = OPC_INB_SET_NVMD_DATA;
4758         u32 nvmd_type;
4759         int rc;
4760         u32 tag;
4761         struct pm8001_ccb_info *ccb;
4762         struct inbound_queue_table *circularQ;
4763         struct set_nvm_data_req nvmd_req;
4764         struct fw_control_ex *fw_control_context;
4765         struct pm8001_ioctl_payload *ioctl_payload = payload;
4766
4767         nvmd_type = ioctl_payload->minor_function;
4768         fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4769         if (!fw_control_context)
4770                 return -ENOMEM;
4771         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4772         memcpy(pm8001_ha->memoryMap.region[NVMD].virt_ptr,
4773                 &ioctl_payload->func_specific,
4774                 ioctl_payload->wr_length);
4775         memset(&nvmd_req, 0, sizeof(nvmd_req));
4776         rc = pm8001_tag_alloc(pm8001_ha, &tag);
4777         if (rc) {
4778                 kfree(fw_control_context);
4779                 return -EBUSY;
4780         }
4781         ccb = &pm8001_ha->ccb_info[tag];
4782         ccb->fw_control_context = fw_control_context;
4783         ccb->ccb_tag = tag;
4784         nvmd_req.tag = cpu_to_le32(tag);
4785         switch (nvmd_type) {
4786         case TWI_DEVICE: {
4787                 u32 twi_addr, twi_page_size;
4788                 twi_addr = 0xa8;
4789                 twi_page_size = 2;
4790                 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4791                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4792                         twi_page_size << 8 | TWI_DEVICE);
4793                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4794                 nvmd_req.resp_addr_hi =
4795                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4796                 nvmd_req.resp_addr_lo =
4797                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4798                 break;
4799         }
4800         case C_SEEPROM:
4801                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4802                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4803                 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4804                 nvmd_req.resp_addr_hi =
4805                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4806                 nvmd_req.resp_addr_lo =
4807                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4808                 break;
4809         case VPD_FLASH:
4810                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4811                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4812                 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4813                 nvmd_req.resp_addr_hi =
4814                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4815                 nvmd_req.resp_addr_lo =
4816                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4817                 break;
4818         case EXPAN_ROM:
4819                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4820                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4821                 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4822                 nvmd_req.resp_addr_hi =
4823                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4824                 nvmd_req.resp_addr_lo =
4825                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4826                 break;
4827         default:
4828                 break;
4829         }
4830         rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req,
4831                         sizeof(nvmd_req), 0);
4832         if (rc) {
4833                 kfree(fw_control_context);
4834                 pm8001_tag_free(pm8001_ha, tag);
4835         }
4836         return rc;
4837 }
4838
4839 /**
4840  * pm8001_chip_fw_flash_update_build - support the firmware update operation
4841  * @pm8001_ha: our hba card information.
4842  * @fw_flash_updata_info: firmware flash update param
4843  * @tag: Tag to apply to the payload
4844  */
4845 int
4846 pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
4847         void *fw_flash_updata_info, u32 tag)
4848 {
4849         struct fw_flash_Update_req payload;
4850         struct fw_flash_updata_info *info;
4851         struct inbound_queue_table *circularQ;
4852         int ret;
4853         u32 opc = OPC_INB_FW_FLASH_UPDATE;
4854
4855         memset(&payload, 0, sizeof(struct fw_flash_Update_req));
4856         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4857         info = fw_flash_updata_info;
4858         payload.tag = cpu_to_le32(tag);
4859         payload.cur_image_len = cpu_to_le32(info->cur_image_len);
4860         payload.cur_image_offset = cpu_to_le32(info->cur_image_offset);
4861         payload.total_image_len = cpu_to_le32(info->total_image_len);
4862         payload.len = info->sgl.im_len.len ;
4863         payload.sgl_addr_lo =
4864                 cpu_to_le32(lower_32_bits(le64_to_cpu(info->sgl.addr)));
4865         payload.sgl_addr_hi =
4866                 cpu_to_le32(upper_32_bits(le64_to_cpu(info->sgl.addr)));
4867         ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
4868                         sizeof(payload), 0);
4869         return ret;
4870 }
4871
4872 int
4873 pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
4874         void *payload)
4875 {
4876         struct fw_flash_updata_info flash_update_info;
4877         struct fw_control_info *fw_control;
4878         struct fw_control_ex *fw_control_context;
4879         int rc;
4880         u32 tag;
4881         struct pm8001_ccb_info *ccb;
4882         void *buffer = pm8001_ha->memoryMap.region[FW_FLASH].virt_ptr;
4883         dma_addr_t phys_addr = pm8001_ha->memoryMap.region[FW_FLASH].phys_addr;
4884         struct pm8001_ioctl_payload *ioctl_payload = payload;
4885
4886         fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4887         if (!fw_control_context)
4888                 return -ENOMEM;
4889         fw_control = (struct fw_control_info *)&ioctl_payload->func_specific;
4890         pm8001_dbg(pm8001_ha, DEVIO,
4891                    "dma fw_control context input length :%x\n",
4892                    fw_control->len);
4893         memcpy(buffer, fw_control->buffer, fw_control->len);
4894         flash_update_info.sgl.addr = cpu_to_le64(phys_addr);
4895         flash_update_info.sgl.im_len.len = cpu_to_le32(fw_control->len);
4896         flash_update_info.sgl.im_len.e = 0;
4897         flash_update_info.cur_image_offset = fw_control->offset;
4898         flash_update_info.cur_image_len = fw_control->len;
4899         flash_update_info.total_image_len = fw_control->size;
4900         fw_control_context->fw_control = fw_control;
4901         fw_control_context->virtAddr = buffer;
4902         fw_control_context->phys_addr = phys_addr;
4903         fw_control_context->len = fw_control->len;
4904         rc = pm8001_tag_alloc(pm8001_ha, &tag);
4905         if (rc) {
4906                 kfree(fw_control_context);
4907                 return -EBUSY;
4908         }
4909         ccb = &pm8001_ha->ccb_info[tag];
4910         ccb->fw_control_context = fw_control_context;
4911         ccb->ccb_tag = tag;
4912         rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info,
4913                 tag);
4914         return rc;
4915 }
4916
4917 ssize_t
4918 pm8001_get_gsm_dump(struct device *cdev, u32 length, char *buf)
4919 {
4920         u32 value, rem, offset = 0, bar = 0;
4921         u32 index, work_offset, dw_length;
4922         u32 shift_value, gsm_base, gsm_dump_offset;
4923         char *direct_data;
4924         struct Scsi_Host *shost = class_to_shost(cdev);
4925         struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
4926         struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
4927
4928         direct_data = buf;
4929         gsm_dump_offset = pm8001_ha->fatal_forensic_shift_offset;
4930
4931         /* check max is 1 Mbytes */
4932         if ((length > 0x100000) || (gsm_dump_offset & 3) ||
4933                 ((gsm_dump_offset + length) > 0x1000000))
4934                         return -EINVAL;
4935
4936         if (pm8001_ha->chip_id == chip_8001)
4937                 bar = 2;
4938         else
4939                 bar = 1;
4940
4941         work_offset = gsm_dump_offset & 0xFFFF0000;
4942         offset = gsm_dump_offset & 0x0000FFFF;
4943         gsm_dump_offset = work_offset;
4944         /* adjust length to dword boundary */
4945         rem = length & 3;
4946         dw_length = length >> 2;
4947
4948         for (index = 0; index < dw_length; index++) {
4949                 if ((work_offset + offset) & 0xFFFF0000) {
4950                         if (pm8001_ha->chip_id == chip_8001)
4951                                 shift_value = ((gsm_dump_offset + offset) &
4952                                                 SHIFT_REG_64K_MASK);
4953                         else
4954                                 shift_value = (((gsm_dump_offset + offset) &
4955                                                 SHIFT_REG_64K_MASK) >>
4956                                                 SHIFT_REG_BIT_SHIFT);
4957
4958                         if (pm8001_ha->chip_id == chip_8001) {
4959                                 gsm_base = GSM_BASE;
4960                                 if (-1 == pm8001_bar4_shift(pm8001_ha,
4961                                                 (gsm_base + shift_value)))
4962                                         return -EIO;
4963                         } else {
4964                                 gsm_base = 0;
4965                                 if (-1 == pm80xx_bar4_shift(pm8001_ha,
4966                                                 (gsm_base + shift_value)))
4967                                         return -EIO;
4968                         }
4969                         gsm_dump_offset = (gsm_dump_offset + offset) &
4970                                                 0xFFFF0000;
4971                         work_offset = 0;
4972                         offset = offset & 0x0000FFFF;
4973                 }
4974                 value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
4975                                                 0x0000FFFF);
4976                 direct_data += sprintf(direct_data, "%08x ", value);
4977                 offset += 4;
4978         }
4979         if (rem != 0) {
4980                 value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
4981                                                 0x0000FFFF);
4982                 /* xfr for non_dw */
4983                 direct_data += sprintf(direct_data, "%08x ", value);
4984         }
4985         /* Shift back to BAR4 original address */
4986         if (-1 == pm8001_bar4_shift(pm8001_ha, 0))
4987                         return -EIO;
4988         pm8001_ha->fatal_forensic_shift_offset += 1024;
4989
4990         if (pm8001_ha->fatal_forensic_shift_offset >= 0x100000)
4991                 pm8001_ha->fatal_forensic_shift_offset = 0;
4992         return direct_data - buf;
4993 }
4994
4995 int
4996 pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
4997         struct pm8001_device *pm8001_dev, u32 state)
4998 {
4999         struct set_dev_state_req payload;
5000         struct inbound_queue_table *circularQ;
5001         struct pm8001_ccb_info *ccb;
5002         int rc;
5003         u32 tag;
5004         u32 opc = OPC_INB_SET_DEVICE_STATE;
5005         memset(&payload, 0, sizeof(payload));
5006         rc = pm8001_tag_alloc(pm8001_ha, &tag);
5007         if (rc)
5008                 return -1;
5009         ccb = &pm8001_ha->ccb_info[tag];
5010         ccb->ccb_tag = tag;
5011         ccb->device = pm8001_dev;
5012         circularQ = &pm8001_ha->inbnd_q_tbl[0];
5013         payload.tag = cpu_to_le32(tag);
5014         payload.device_id = cpu_to_le32(pm8001_dev->device_id);
5015         payload.nds = cpu_to_le32(state);
5016         rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
5017                         sizeof(payload), 0);
5018         return rc;
5019
5020 }
5021
5022 static int
5023 pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha)
5024 {
5025         struct sas_re_initialization_req payload;
5026         struct inbound_queue_table *circularQ;
5027         struct pm8001_ccb_info *ccb;
5028         int rc;
5029         u32 tag;
5030         u32 opc = OPC_INB_SAS_RE_INITIALIZE;
5031         memset(&payload, 0, sizeof(payload));
5032         rc = pm8001_tag_alloc(pm8001_ha, &tag);
5033         if (rc)
5034                 return -ENOMEM;
5035         ccb = &pm8001_ha->ccb_info[tag];
5036         ccb->ccb_tag = tag;
5037         circularQ = &pm8001_ha->inbnd_q_tbl[0];
5038         payload.tag = cpu_to_le32(tag);
5039         payload.SSAHOLT = cpu_to_le32(0xd << 25);
5040         payload.sata_hol_tmo = cpu_to_le32(80);
5041         payload.open_reject_cmdretries_data_retries = cpu_to_le32(0xff00ff);
5042         rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload,
5043                         sizeof(payload), 0);
5044         if (rc)
5045                 pm8001_tag_free(pm8001_ha, tag);
5046         return rc;
5047
5048 }
5049
5050 const struct pm8001_dispatch pm8001_8001_dispatch = {
5051         .name                   = "pmc8001",
5052         .chip_init              = pm8001_chip_init,
5053         .chip_soft_rst          = pm8001_chip_soft_rst,
5054         .chip_rst               = pm8001_hw_chip_rst,
5055         .chip_iounmap           = pm8001_chip_iounmap,
5056         .isr                    = pm8001_chip_isr,
5057         .is_our_interrupt       = pm8001_chip_is_our_interrupt,
5058         .isr_process_oq         = process_oq,
5059         .interrupt_enable       = pm8001_chip_interrupt_enable,
5060         .interrupt_disable      = pm8001_chip_interrupt_disable,
5061         .make_prd               = pm8001_chip_make_sg,
5062         .smp_req                = pm8001_chip_smp_req,
5063         .ssp_io_req             = pm8001_chip_ssp_io_req,
5064         .sata_req               = pm8001_chip_sata_req,
5065         .phy_start_req          = pm8001_chip_phy_start_req,
5066         .phy_stop_req           = pm8001_chip_phy_stop_req,
5067         .reg_dev_req            = pm8001_chip_reg_dev_req,
5068         .dereg_dev_req          = pm8001_chip_dereg_dev_req,
5069         .phy_ctl_req            = pm8001_chip_phy_ctl_req,
5070         .task_abort             = pm8001_chip_abort_task,
5071         .ssp_tm_req             = pm8001_chip_ssp_tm_req,
5072         .get_nvmd_req           = pm8001_chip_get_nvmd_req,
5073         .set_nvmd_req           = pm8001_chip_set_nvmd_req,
5074         .fw_flash_update_req    = pm8001_chip_fw_flash_update_req,
5075         .set_dev_state_req      = pm8001_chip_set_dev_state_req,
5076         .sas_re_init_req        = pm8001_chip_sas_re_initialization,
5077         .fatal_errors           = pm80xx_fatal_errors,
5078 };