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  #include "pm80xx_tracepoints.h"
  46
  47 /**
  48  * read_main_config_table - read the configure table and save it.
  49  * @pm8001_ha: our hba card information
  50  */
  51 static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
  52 {
  53         void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
  54         pm8001_ha->main_cfg_tbl.pm8001_tbl.signature    =
  55                                 pm8001_mr32(address, 0x00);
  56         pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev =
  57                                 pm8001_mr32(address, 0x04);
  58         pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev =
  59                                 pm8001_mr32(address, 0x08);
  60         pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io   =
  61                                 pm8001_mr32(address, 0x0C);
  62         pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl      =
  63                                 pm8001_mr32(address, 0x10);
  64         pm8001_ha->main_cfg_tbl.pm8001_tbl.ctrl_cap_flag =
  65                                 pm8001_mr32(address, 0x14);
  66         pm8001_ha->main_cfg_tbl.pm8001_tbl.gst_offset   =
  67                                 pm8001_mr32(address, 0x18);
  68         pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_queue_offset =
  69                 pm8001_mr32(address, MAIN_IBQ_OFFSET);
  70         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_queue_offset =
  71                 pm8001_mr32(address, MAIN_OBQ_OFFSET);
  72         pm8001_ha->main_cfg_tbl.pm8001_tbl.hda_mode_flag        =
  73                 pm8001_mr32(address, MAIN_HDA_FLAGS_OFFSET);
  74
  75         /* read analog Setting offset from the configuration table */
  76         pm8001_ha->main_cfg_tbl.pm8001_tbl.anolog_setup_table_offset =
  77                 pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
  78
  79         /* read Error Dump Offset and Length */
  80         pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_offset0 =
  81                 pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
  82         pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_length0 =
  83                 pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
  84         pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_offset1 =
  85                 pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
  86         pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_length1 =
  87                 pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
  88 }
  89
  90 /**
  91  * read_general_status_table - read the general status table and save it.
  92  * @pm8001_ha: our hba card information
  93  */
  94 static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
  95 {
  96         void __iomem *address = pm8001_ha->general_stat_tbl_addr;
  97         pm8001_ha->gs_tbl.pm8001_tbl.gst_len_mpistate   =
  98                                 pm8001_mr32(address, 0x00);
  99         pm8001_ha->gs_tbl.pm8001_tbl.iq_freeze_state0   =
 100                                 pm8001_mr32(address, 0x04);
 101         pm8001_ha->gs_tbl.pm8001_tbl.iq_freeze_state1   =
 102                                 pm8001_mr32(address, 0x08);
 103         pm8001_ha->gs_tbl.pm8001_tbl.msgu_tcnt          =
 104                                 pm8001_mr32(address, 0x0C);
 105         pm8001_ha->gs_tbl.pm8001_tbl.iop_tcnt           =
 106                                 pm8001_mr32(address, 0x10);
 107         pm8001_ha->gs_tbl.pm8001_tbl.rsvd               =
 108                                 pm8001_mr32(address, 0x14);
 109         pm8001_ha->gs_tbl.pm8001_tbl.phy_state[0]       =
 110                                 pm8001_mr32(address, 0x18);
 111         pm8001_ha->gs_tbl.pm8001_tbl.phy_state[1]       =
 112                                 pm8001_mr32(address, 0x1C);
 113         pm8001_ha->gs_tbl.pm8001_tbl.phy_state[2]       =
 114                                 pm8001_mr32(address, 0x20);
 115         pm8001_ha->gs_tbl.pm8001_tbl.phy_state[3]       =
 116                                 pm8001_mr32(address, 0x24);
 117         pm8001_ha->gs_tbl.pm8001_tbl.phy_state[4]       =
 118                                 pm8001_mr32(address, 0x28);
 119         pm8001_ha->gs_tbl.pm8001_tbl.phy_state[5]       =
 120                                 pm8001_mr32(address, 0x2C);
 121         pm8001_ha->gs_tbl.pm8001_tbl.phy_state[6]       =
 122                                 pm8001_mr32(address, 0x30);
 123         pm8001_ha->gs_tbl.pm8001_tbl.phy_state[7]       =
 124                                 pm8001_mr32(address, 0x34);
 125         pm8001_ha->gs_tbl.pm8001_tbl.gpio_input_val     =
 126                                 pm8001_mr32(address, 0x38);
 127         pm8001_ha->gs_tbl.pm8001_tbl.rsvd1[0]           =
 128                                 pm8001_mr32(address, 0x3C);
 129         pm8001_ha->gs_tbl.pm8001_tbl.rsvd1[1]           =
 130                                 pm8001_mr32(address, 0x40);
 131         pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[0]        =
 132                                 pm8001_mr32(address, 0x44);
 133         pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[1]        =
 134                                 pm8001_mr32(address, 0x48);
 135         pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[2]        =
 136                                 pm8001_mr32(address, 0x4C);
 137         pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[3]        =
 138                                 pm8001_mr32(address, 0x50);
 139         pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[4]        =
 140                                 pm8001_mr32(address, 0x54);
 141         pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[5]        =
 142                                 pm8001_mr32(address, 0x58);
 143         pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[6]        =
 144                                 pm8001_mr32(address, 0x5C);
 145         pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[7]        =
 146                                 pm8001_mr32(address, 0x60);
 147 }
 148
 149 /**
 150  * read_inbnd_queue_table - read the inbound queue table and save it.
 151  * @pm8001_ha: our hba card information
 152  */
 153 static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
 154 {
 155         int i;
 156         void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
 157         for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
 158                 u32 offset = i * 0x20;
 159                 pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
 160                       get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
 161                 pm8001_ha->inbnd_q_tbl[i].pi_offset =
 162                         pm8001_mr32(address, (offset + 0x18));
 163         }
 164 }
 165
 166 /**
 167  * read_outbnd_queue_table - read the outbound queue table and save it.
 168  * @pm8001_ha: our hba card information
 169  */
 170 static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
 171 {
 172         int i;
 173         void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
 174         for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
 175                 u32 offset = i * 0x24;
 176                 pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
 177                       get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
 178                 pm8001_ha->outbnd_q_tbl[i].ci_offset =
 179                         pm8001_mr32(address, (offset + 0x18));
 180         }
 181 }
 182
 183 /**
 184  * init_default_table_values - init the default table.
 185  * @pm8001_ha: our hba card information
 186  */
 187 static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
 188 {
 189         int i;
 190         u32 offsetib, offsetob;
 191         void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
 192         void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
 193         u32 ib_offset = pm8001_ha->ib_offset;
 194         u32 ob_offset = pm8001_ha->ob_offset;
 195         u32 ci_offset = pm8001_ha->ci_offset;
 196         u32 pi_offset = pm8001_ha->pi_offset;
 197
 198         pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_q_nppd_hppd          = 0;
 199         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid0_3     = 0;
 200         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid4_7     = 0;
 201         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid0_3    = 0;
 202         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid4_7    = 0;
 203         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ITNexus_event_pid0_3 =
 204                                                                          0;
 205         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ITNexus_event_pid4_7 =
 206                                                                          0;
 207         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ssp_event_pid0_3 = 0;
 208         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ssp_event_pid4_7 = 0;
 209         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_smp_event_pid0_3 = 0;
 210         pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_smp_event_pid4_7 = 0;
 211
 212         pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_event_log_addr         =
 213                 pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
 214         pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_event_log_addr         =
 215                 pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
 216         pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_size               =
 217                 PM8001_EVENT_LOG_SIZE;
 218         pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_option             = 0x01;
 219         pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_iop_event_log_addr     =
 220                 pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
 221         pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_iop_event_log_addr     =
 222                 pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
 223         pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_size           =
 224                 PM8001_EVENT_LOG_SIZE;
 225         pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option         = 0x01;
 226         pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt          = 0x01;
 227         for (i = 0; i < pm8001_ha->max_q_num; i++) {
 228                 pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt  =
 229                         PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
 230                 pm8001_ha->inbnd_q_tbl[i].upper_base_addr       =
 231                         pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_hi;
 232                 pm8001_ha->inbnd_q_tbl[i].lower_base_addr       =
 233                 pm8001_ha->memoryMap.region[ib_offset + i].phys_addr_lo;
 234                 pm8001_ha->inbnd_q_tbl[i].base_virt             =
 235                   (u8 *)pm8001_ha->memoryMap.region[ib_offset + i].virt_ptr;
 236                 pm8001_ha->inbnd_q_tbl[i].total_length          =
 237                         pm8001_ha->memoryMap.region[ib_offset + i].total_len;
 238                 pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr    =
 239                         pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_hi;
 240                 pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr    =
 241                         pm8001_ha->memoryMap.region[ci_offset + i].phys_addr_lo;
 242                 pm8001_ha->inbnd_q_tbl[i].ci_virt               =
 243                         pm8001_ha->memoryMap.region[ci_offset + i].virt_ptr;
 244                 pm8001_write_32(pm8001_ha->inbnd_q_tbl[i].ci_virt, 0, 0);
 245                 offsetib = i * 0x20;
 246                 pm8001_ha->inbnd_q_tbl[i].pi_pci_bar            =
 247                         get_pci_bar_index(pm8001_mr32(addressib,
 248                                 (offsetib + 0x14)));
 249                 pm8001_ha->inbnd_q_tbl[i].pi_offset             =
 250                         pm8001_mr32(addressib, (offsetib + 0x18));
 251                 pm8001_ha->inbnd_q_tbl[i].producer_idx          = 0;
 252                 pm8001_ha->inbnd_q_tbl[i].consumer_index        = 0;
 253         }
 254         for (i = 0; i < pm8001_ha->max_q_num; i++) {
 255                 pm8001_ha->outbnd_q_tbl[i].element_size_cnt     =
 256                         PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
 257                 pm8001_ha->outbnd_q_tbl[i].upper_base_addr      =
 258                         pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_hi;
 259                 pm8001_ha->outbnd_q_tbl[i].lower_base_addr      =
 260                         pm8001_ha->memoryMap.region[ob_offset + i].phys_addr_lo;
 261                 pm8001_ha->outbnd_q_tbl[i].base_virt            =
 262                   (u8 *)pm8001_ha->memoryMap.region[ob_offset + i].virt_ptr;
 263                 pm8001_ha->outbnd_q_tbl[i].total_length         =
 264                         pm8001_ha->memoryMap.region[ob_offset + i].total_len;
 265                 pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr   =
 266                         pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_hi;
 267                 pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr   =
 268                         pm8001_ha->memoryMap.region[pi_offset + i].phys_addr_lo;
 269                 pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay       =
 270                         0 | (10 << 16) | (i << 24);
 271                 pm8001_ha->outbnd_q_tbl[i].pi_virt              =
 272                         pm8001_ha->memoryMap.region[pi_offset + i].virt_ptr;
 273                 pm8001_write_32(pm8001_ha->outbnd_q_tbl[i].pi_virt, 0, 0);
 274                 offsetob = i * 0x24;
 275                 pm8001_ha->outbnd_q_tbl[i].ci_pci_bar           =
 276                         get_pci_bar_index(pm8001_mr32(addressob,
 277                         offsetob + 0x14));
 278                 pm8001_ha->outbnd_q_tbl[i].ci_offset            =
 279                         pm8001_mr32(addressob, (offsetob + 0x18));
 280                 pm8001_ha->outbnd_q_tbl[i].consumer_idx         = 0;
 281                 pm8001_ha->outbnd_q_tbl[i].producer_index       = 0;
 282         }
 283 }
 284
 285 /**
 286  * update_main_config_table - update the main default table to the HBA.
 287  * @pm8001_ha: our hba card information
 288  */
 289 static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
 290 {
 291         void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
 292         pm8001_mw32(address, 0x24,
 293                 pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_q_nppd_hppd);
 294         pm8001_mw32(address, 0x28,
 295                 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid0_3);
 296         pm8001_mw32(address, 0x2C,
 297                 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid4_7);
 298         pm8001_mw32(address, 0x30,
 299                 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid0_3);
 300         pm8001_mw32(address, 0x34,
 301                 pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid4_7);
 302         pm8001_mw32(address, 0x38,
 303                 pm8001_ha->main_cfg_tbl.pm8001_tbl.
 304                                         outbound_tgt_ITNexus_event_pid0_3);
 305         pm8001_mw32(address, 0x3C,
 306                 pm8001_ha->main_cfg_tbl.pm8001_tbl.
 307                                         outbound_tgt_ITNexus_event_pid4_7);
 308         pm8001_mw32(address, 0x40,
 309                 pm8001_ha->main_cfg_tbl.pm8001_tbl.
 310                                         outbound_tgt_ssp_event_pid0_3);
 311         pm8001_mw32(address, 0x44,
 312                 pm8001_ha->main_cfg_tbl.pm8001_tbl.
 313                                         outbound_tgt_ssp_event_pid4_7);
 314         pm8001_mw32(address, 0x48,
 315                 pm8001_ha->main_cfg_tbl.pm8001_tbl.
 316                                         outbound_tgt_smp_event_pid0_3);
 317         pm8001_mw32(address, 0x4C,
 318                 pm8001_ha->main_cfg_tbl.pm8001_tbl.
 319                                         outbound_tgt_smp_event_pid4_7);
 320         pm8001_mw32(address, 0x50,
 321                 pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_event_log_addr);
 322         pm8001_mw32(address, 0x54,
 323                 pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_event_log_addr);
 324         pm8001_mw32(address, 0x58,
 325                 pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_size);
 326         pm8001_mw32(address, 0x5C,
 327                 pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_option);
 328         pm8001_mw32(address, 0x60,
 329                 pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_iop_event_log_addr);
 330         pm8001_mw32(address, 0x64,
 331                 pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_iop_event_log_addr);
 332         pm8001_mw32(address, 0x68,
 333                 pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_size);
 334         pm8001_mw32(address, 0x6C,
 335                 pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option);
 336         pm8001_mw32(address, 0x70,
 337                 pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt);
 338 }
 339
 340 /**
 341  * update_inbnd_queue_table - update the inbound queue table to the HBA.
 342  * @pm8001_ha: our hba card information
 343  * @number: entry in the queue
 344  */
 345 static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
 346                                      int number)
 347 {
 348         void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
 349         u16 offset = number * 0x20;
 350         pm8001_mw32(address, offset + 0x00,
 351                 pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
 352         pm8001_mw32(address, offset + 0x04,
 353                 pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
 354         pm8001_mw32(address, offset + 0x08,
 355                 pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
 356         pm8001_mw32(address, offset + 0x0C,
 357                 pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
 358         pm8001_mw32(address, offset + 0x10,
 359                 pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
 360 }
 361
 362 /**
 363  * update_outbnd_queue_table - update the outbound queue table to the HBA.
 364  * @pm8001_ha: our hba card information
 365  * @number: entry in the queue
 366  */
 367 static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
 368                                       int number)
 369 {
 370         void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
 371         u16 offset = number * 0x24;
 372         pm8001_mw32(address, offset + 0x00,
 373                 pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
 374         pm8001_mw32(address, offset + 0x04,
 375                 pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
 376         pm8001_mw32(address, offset + 0x08,
 377                 pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
 378         pm8001_mw32(address, offset + 0x0C,
 379                 pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
 380         pm8001_mw32(address, offset + 0x10,
 381                 pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
 382         pm8001_mw32(address, offset + 0x1C,
 383                 pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
 384 }
 385
 386 /**
 387  * pm8001_bar4_shift - function is called to shift BAR base address
 388  * @pm8001_ha : our hba card information
 389  * @shiftValue : shifting value in memory bar.
 390  */
 391 int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)
 392 {
 393         u32 regVal;
 394         unsigned long start;
 395
 396         /* program the inbound AXI translation Lower Address */
 397         pm8001_cw32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW, shiftValue);
 398
 399         /* confirm the setting is written */
 400         start = jiffies + HZ; /* 1 sec */
 401         do {
 402                 regVal = pm8001_cr32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW);
 403         } while ((regVal != shiftValue) && time_before(jiffies, start));
 404
 405         if (regVal != shiftValue) {
 406                 pm8001_dbg(pm8001_ha, INIT,
 407                            "TIMEOUT:SPC_IBW_AXI_TRANSLATION_LOW = 0x%x\n",
 408                            regVal);
 409                 return -1;
 410         }
 411         return 0;
 412 }
 413
 414 /**
 415  * mpi_set_phys_g3_with_ssc
 416  * @pm8001_ha: our hba card information
 417  * @SSCbit: set SSCbit to 0 to disable all phys ssc; 1 to enable all phys ssc.
 418  */
 419 static void mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha,
 420                                      u32 SSCbit)
 421 {
 422         u32 offset, i;
 423         unsigned long flags;
 424
 425 #define SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR 0x00030000
 426 #define SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR 0x00040000
 427 #define SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET 0x1074
 428 #define SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET 0x1074
 429 #define PHY_G3_WITHOUT_SSC_BIT_SHIFT 12
 430 #define PHY_G3_WITH_SSC_BIT_SHIFT 13
 431 #define SNW3_PHY_CAPABILITIES_PARITY 31
 432
 433    /*
 434     * Using shifted destination address 0x3_0000:0x1074 + 0x4000*N (N=0:3)
 435     * Using shifted destination address 0x4_0000:0x1074 + 0x4000*(N-4) (N=4:7)
 436     */
 437         spin_lock_irqsave(&pm8001_ha->lock, flags);
 438         if (-1 == pm8001_bar4_shift(pm8001_ha,
 439                                 SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR)) {
 440                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 441                 return;
 442         }
 443
 444         for (i = 0; i < 4; i++) {
 445                 offset = SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET + 0x4000 * i;
 446                 pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
 447         }
 448         /* shift membase 3 for SAS2_SETTINGS_LOCAL_PHY 4 - 7 */
 449         if (-1 == pm8001_bar4_shift(pm8001_ha,
 450                                 SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR)) {
 451                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 452                 return;
 453         }
 454         for (i = 4; i < 8; i++) {
 455                 offset = SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
 456                 pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
 457         }
 458         /*************************************************************
 459         Change the SSC upspreading value to 0x0 so that upspreading is disabled.
 460         Device MABC SMOD0 Controls
 461         Address: (via MEMBASE-III):
 462         Using shifted destination address 0x0_0000: with Offset 0xD8
 463
 464         31:28 R/W Reserved Do not change
 465         27:24 R/W SAS_SMOD_SPRDUP 0000
 466         23:20 R/W SAS_SMOD_SPRDDN 0000
 467         19:0  R/W  Reserved Do not change
 468         Upon power-up this register will read as 0x8990c016,
 469         and I would like you to change the SAS_SMOD_SPRDUP bits to 0b0000
 470         so that the written value will be 0x8090c016.
 471         This will ensure only down-spreading SSC is enabled on the SPC.
 472         *************************************************************/
 473         pm8001_cr32(pm8001_ha, 2, 0xd8);
 474         pm8001_cw32(pm8001_ha, 2, 0xd8, 0x8000C016);
 475
 476         /*set the shifted destination address to 0x0 to avoid error operation */
 477         pm8001_bar4_shift(pm8001_ha, 0x0);
 478         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 479         return;
 480 }
 481
 482 /**
 483  * mpi_set_open_retry_interval_reg
 484  * @pm8001_ha: our hba card information
 485  * @interval: interval time for each OPEN_REJECT (RETRY). The units are in 1us.
 486  */
 487 static void mpi_set_open_retry_interval_reg(struct pm8001_hba_info *pm8001_ha,
 488                                             u32 interval)
 489 {
 490         u32 offset;
 491         u32 value;
 492         u32 i;
 493         unsigned long flags;
 494
 495 #define OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR 0x00030000
 496 #define OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR 0x00040000
 497 #define OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET 0x30B4
 498 #define OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET 0x30B4
 499 #define OPEN_RETRY_INTERVAL_REG_MASK 0x0000FFFF
 500
 501         value = interval & OPEN_RETRY_INTERVAL_REG_MASK;
 502         spin_lock_irqsave(&pm8001_ha->lock, flags);
 503         /* shift bar and set the OPEN_REJECT(RETRY) interval time of PHY 0 -3.*/
 504         if (-1 == pm8001_bar4_shift(pm8001_ha,
 505                              OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR)) {
 506                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 507                 return;
 508         }
 509         for (i = 0; i < 4; i++) {
 510                 offset = OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET + 0x4000 * i;
 511                 pm8001_cw32(pm8001_ha, 2, offset, value);
 512         }
 513
 514         if (-1 == pm8001_bar4_shift(pm8001_ha,
 515                              OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR)) {
 516                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 517                 return;
 518         }
 519         for (i = 4; i < 8; i++) {
 520                 offset = OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
 521                 pm8001_cw32(pm8001_ha, 2, offset, value);
 522         }
 523         /*set the shifted destination address to 0x0 to avoid error operation */
 524         pm8001_bar4_shift(pm8001_ha, 0x0);
 525         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 526         return;
 527 }
 528
 529 /**
 530  * mpi_init_check - check firmware initialization status.
 531  * @pm8001_ha: our hba card information
 532  */
 533 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
 534 {
 535         u32 max_wait_count;
 536         u32 value;
 537         u32 gst_len_mpistate;
 538         /* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
 539         table is updated */
 540         pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_UPDATE);
 541         /* wait until Inbound DoorBell Clear Register toggled */
 542         max_wait_count = 1 * 1000 * 1000;/* 1 sec */
 543         do {
 544                 udelay(1);
 545                 value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
 546                 value &= SPC_MSGU_CFG_TABLE_UPDATE;
 547         } while ((value != 0) && (--max_wait_count));
 548
 549         if (!max_wait_count)
 550                 return -1;
 551         /* check the MPI-State for initialization */
 552         gst_len_mpistate =
 553                 pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
 554                 GST_GSTLEN_MPIS_OFFSET);
 555         if (GST_MPI_STATE_INIT != (gst_len_mpistate & GST_MPI_STATE_MASK))
 556                 return -1;
 557         /* check MPI Initialization error */
 558         gst_len_mpistate = gst_len_mpistate >> 16;
 559         if (0x0000 != gst_len_mpistate)
 560                 return -1;
 561         return 0;
 562 }
 563
 564 /**
 565  * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
 566  * @pm8001_ha: our hba card information
 567  */
 568 static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
 569 {
 570         u32 value, value1;
 571         u32 max_wait_count;
 572         /* check error state */
 573         value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
 574         value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
 575         /* check AAP error */
 576         if (SCRATCH_PAD1_ERR == (value & SCRATCH_PAD_STATE_MASK)) {
 577                 /* error state */
 578                 value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
 579                 return -1;
 580         }
 581
 582         /* check IOP error */
 583         if (SCRATCH_PAD2_ERR == (value1 & SCRATCH_PAD_STATE_MASK)) {
 584                 /* error state */
 585                 value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
 586                 return -1;
 587         }
 588
 589         /* bit 4-31 of scratch pad1 should be zeros if it is not
 590         in error state*/
 591         if (value & SCRATCH_PAD1_STATE_MASK) {
 592                 /* error case */
 593                 pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
 594                 return -1;
 595         }
 596
 597         /* bit 2, 4-31 of scratch pad2 should be zeros if it is not
 598         in error state */
 599         if (value1 & SCRATCH_PAD2_STATE_MASK) {
 600                 /* error case */
 601                 return -1;
 602         }
 603
 604         max_wait_count = 1 * 1000 * 1000;/* 1 sec timeout */
 605
 606         /* wait until scratch pad 1 and 2 registers in ready state  */
 607         do {
 608                 udelay(1);
 609                 value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
 610                         & SCRATCH_PAD1_RDY;
 611                 value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
 612                         & SCRATCH_PAD2_RDY;
 613                 if ((--max_wait_count) == 0)
 614                         return -1;
 615         } while ((value != SCRATCH_PAD1_RDY) || (value1 != SCRATCH_PAD2_RDY));
 616         return 0;
 617 }
 618
 619 static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
 620 {
 621         void __iomem *base_addr;
 622         u32     value;
 623         u32     offset;
 624         u32     pcibar;
 625         u32     pcilogic;
 626
 627         value = pm8001_cr32(pm8001_ha, 0, 0x44);
 628         offset = value & 0x03FFFFFF;
 629         pm8001_dbg(pm8001_ha, INIT, "Scratchpad 0 Offset: %x\n", offset);
 630         pcilogic = (value & 0xFC000000) >> 26;
 631         pcibar = get_pci_bar_index(pcilogic);
 632         pm8001_dbg(pm8001_ha, INIT, "Scratchpad 0 PCI BAR: %d\n", pcibar);
 633         pm8001_ha->main_cfg_tbl_addr = base_addr =
 634                 pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
 635         pm8001_ha->general_stat_tbl_addr =
 636                 base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x18);
 637         pm8001_ha->inbnd_q_tbl_addr =
 638                 base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C);
 639         pm8001_ha->outbnd_q_tbl_addr =
 640                 base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x20);
 641 }
 642
 643 /**
 644  * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
 645  * @pm8001_ha: our hba card information
 646  */
 647 static int pm8001_chip_init(struct pm8001_hba_info *pm8001_ha)
 648 {
 649         u32 i = 0;
 650         u16 deviceid;
 651         pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
 652         /* 8081 controllers need BAR shift to access MPI space
 653         * as this is shared with BIOS data */
 654         if (deviceid == 0x8081 || deviceid == 0x0042) {
 655                 if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
 656                         pm8001_dbg(pm8001_ha, FAIL,
 657                                    "Shift Bar4 to 0x%x failed\n",
 658                                    GSM_SM_BASE);
 659                         return -1;
 660                 }
 661         }
 662         /* check the firmware status */
 663         if (-1 == check_fw_ready(pm8001_ha)) {
 664                 pm8001_dbg(pm8001_ha, FAIL, "Firmware is not ready!\n");
 665                 return -EBUSY;
 666         }
 667
 668         /* Initialize pci space address eg: mpi offset */
 669         init_pci_device_addresses(pm8001_ha);
 670         init_default_table_values(pm8001_ha);
 671         read_main_config_table(pm8001_ha);
 672         read_general_status_table(pm8001_ha);
 673         read_inbnd_queue_table(pm8001_ha);
 674         read_outbnd_queue_table(pm8001_ha);
 675         /* update main config table ,inbound table and outbound table */
 676         update_main_config_table(pm8001_ha);
 677         for (i = 0; i < pm8001_ha->max_q_num; i++)
 678                 update_inbnd_queue_table(pm8001_ha, i);
 679         for (i = 0; i < pm8001_ha->max_q_num; i++)
 680                 update_outbnd_queue_table(pm8001_ha, i);
 681         /* 8081 controller donot require these operations */
 682         if (deviceid != 0x8081 && deviceid != 0x0042) {
 683                 mpi_set_phys_g3_with_ssc(pm8001_ha, 0);
 684                 /* 7->130ms, 34->500ms, 119->1.5s */
 685                 mpi_set_open_retry_interval_reg(pm8001_ha, 119);
 686         }
 687         /* notify firmware update finished and check initialization status */
 688         if (0 == mpi_init_check(pm8001_ha)) {
 689                 pm8001_dbg(pm8001_ha, INIT, "MPI initialize successful!\n");
 690         } else
 691                 return -EBUSY;
 692         /*This register is a 16-bit timer with a resolution of 1us. This is the
 693         timer used for interrupt delay/coalescing in the PCIe Application Layer.
 694         Zero is not a valid value. A value of 1 in the register will cause the
 695         interrupts to be normal. A value greater than 1 will cause coalescing
 696         delays.*/
 697         pm8001_cw32(pm8001_ha, 1, 0x0033c0, 0x1);
 698         pm8001_cw32(pm8001_ha, 1, 0x0033c4, 0x0);
 699         return 0;
 700 }
 701
 702 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
 703 {
 704         u32 max_wait_count;
 705         u32 value;
 706         u32 gst_len_mpistate;
 707         u16 deviceid;
 708         pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
 709         if (deviceid == 0x8081 || deviceid == 0x0042) {
 710                 if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
 711                         pm8001_dbg(pm8001_ha, FAIL,
 712                                    "Shift Bar4 to 0x%x failed\n",
 713                                    GSM_SM_BASE);
 714                         return -1;
 715                 }
 716         }
 717         init_pci_device_addresses(pm8001_ha);
 718         /* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
 719         table is stop */
 720         pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_RESET);
 721
 722         /* wait until Inbound DoorBell Clear Register toggled */
 723         max_wait_count = 1 * 1000 * 1000;/* 1 sec */
 724         do {
 725                 udelay(1);
 726                 value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
 727                 value &= SPC_MSGU_CFG_TABLE_RESET;
 728         } while ((value != 0) && (--max_wait_count));
 729
 730         if (!max_wait_count) {
 731                 pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:IBDB value/=0x%x\n",
 732                            value);
 733                 return -1;
 734         }
 735
 736         /* check the MPI-State for termination in progress */
 737         /* wait until Inbound DoorBell Clear Register toggled */
 738         max_wait_count = 1 * 1000 * 1000;  /* 1 sec */
 739         do {
 740                 udelay(1);
 741                 gst_len_mpistate =
 742                         pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
 743                         GST_GSTLEN_MPIS_OFFSET);
 744                 if (GST_MPI_STATE_UNINIT ==
 745                         (gst_len_mpistate & GST_MPI_STATE_MASK))
 746                         break;
 747         } while (--max_wait_count);
 748         if (!max_wait_count) {
 749                 pm8001_dbg(pm8001_ha, FAIL, " TIME OUT MPI State = 0x%x\n",
 750                            gst_len_mpistate & GST_MPI_STATE_MASK);
 751                 return -1;
 752         }
 753         return 0;
 754 }
 755
 756 /**
 757  * soft_reset_ready_check - Function to check FW is ready for soft reset.
 758  * @pm8001_ha: our hba card information
 759  */
 760 static u32 soft_reset_ready_check(struct pm8001_hba_info *pm8001_ha)
 761 {
 762         u32 regVal, regVal1, regVal2;
 763         if (mpi_uninit_check(pm8001_ha) != 0) {
 764                 pm8001_dbg(pm8001_ha, FAIL, "MPI state is not ready\n");
 765                 return -1;
 766         }
 767         /* read the scratch pad 2 register bit 2 */
 768         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
 769                 & SCRATCH_PAD2_FWRDY_RST;
 770         if (regVal == SCRATCH_PAD2_FWRDY_RST) {
 771                 pm8001_dbg(pm8001_ha, INIT, "Firmware is ready for reset.\n");
 772         } else {
 773                 unsigned long flags;
 774                 /* Trigger NMI twice via RB6 */
 775                 spin_lock_irqsave(&pm8001_ha->lock, flags);
 776                 if (-1 == pm8001_bar4_shift(pm8001_ha, RB6_ACCESS_REG)) {
 777                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 778                         pm8001_dbg(pm8001_ha, FAIL,
 779                                    "Shift Bar4 to 0x%x failed\n",
 780                                    RB6_ACCESS_REG);
 781                         return -1;
 782                 }
 783                 pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET,
 784                         RB6_MAGIC_NUMBER_RST);
 785                 pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET, RB6_MAGIC_NUMBER_RST);
 786                 /* wait for 100 ms */
 787                 mdelay(100);
 788                 regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2) &
 789                         SCRATCH_PAD2_FWRDY_RST;
 790                 if (regVal != SCRATCH_PAD2_FWRDY_RST) {
 791                         regVal1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
 792                         regVal2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
 793                         pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:MSGU_SCRATCH_PAD1=0x%x, MSGU_SCRATCH_PAD2=0x%x\n",
 794                                    regVal1, regVal2);
 795                         pm8001_dbg(pm8001_ha, FAIL,
 796                                    "SCRATCH_PAD0 value = 0x%x\n",
 797                                    pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0));
 798                         pm8001_dbg(pm8001_ha, FAIL,
 799                                    "SCRATCH_PAD3 value = 0x%x\n",
 800                                    pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3));
 801                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 802                         return -1;
 803                 }
 804                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 805         }
 806         return 0;
 807 }
 808
 809 /**
 810  * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
 811  * the FW register status to the originated status.
 812  * @pm8001_ha: our hba card information
 813  */
 814 static int
 815 pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
 816 {
 817         u32     regVal, toggleVal;
 818         u32     max_wait_count;
 819         u32     regVal1, regVal2, regVal3;
 820         u32     signature = 0x252acbcd; /* for host scratch pad0 */
 821         unsigned long flags;
 822
 823         /* step1: Check FW is ready for soft reset */
 824         if (soft_reset_ready_check(pm8001_ha) != 0) {
 825                 pm8001_dbg(pm8001_ha, FAIL, "FW is not ready\n");
 826                 return -1;
 827         }
 828
 829         /* step 2: clear NMI status register on AAP1 and IOP, write the same
 830         value to clear */
 831         /* map 0x60000 to BAR4(0x20), BAR2(win) */
 832         spin_lock_irqsave(&pm8001_ha->lock, flags);
 833         if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_AAP1_ADDR_BASE)) {
 834                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 835                 pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
 836                            MBIC_AAP1_ADDR_BASE);
 837                 return -1;
 838         }
 839         regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP);
 840         pm8001_dbg(pm8001_ha, INIT, "MBIC - NMI Enable VPE0 (IOP)= 0x%x\n",
 841                    regVal);
 842         pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP, 0x0);
 843         /* map 0x70000 to BAR4(0x20), BAR2(win) */
 844         if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_IOP_ADDR_BASE)) {
 845                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 846                 pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
 847                            MBIC_IOP_ADDR_BASE);
 848                 return -1;
 849         }
 850         regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1);
 851         pm8001_dbg(pm8001_ha, INIT, "MBIC - NMI Enable VPE0 (AAP1)= 0x%x\n",
 852                    regVal);
 853         pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1, 0x0);
 854
 855         regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE);
 856         pm8001_dbg(pm8001_ha, INIT, "PCIE -Event Interrupt Enable = 0x%x\n",
 857                    regVal);
 858         pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE, 0x0);
 859
 860         regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT);
 861         pm8001_dbg(pm8001_ha, INIT, "PCIE - Event Interrupt  = 0x%x\n",
 862                    regVal);
 863         pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT, regVal);
 864
 865         regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE);
 866         pm8001_dbg(pm8001_ha, INIT, "PCIE -Error Interrupt Enable = 0x%x\n",
 867                    regVal);
 868         pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE, 0x0);
 869
 870         regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT);
 871         pm8001_dbg(pm8001_ha, INIT, "PCIE - Error Interrupt = 0x%x\n", regVal);
 872         pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT, regVal);
 873
 874         /* read the scratch pad 1 register bit 2 */
 875         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
 876                 & SCRATCH_PAD1_RST;
 877         toggleVal = regVal ^ SCRATCH_PAD1_RST;
 878
 879         /* set signature in host scratch pad0 register to tell SPC that the
 880         host performs the soft reset */
 881         pm8001_cw32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0, signature);
 882
 883         /* read required registers for confirmming */
 884         /* map 0x0700000 to BAR4(0x20), BAR2(win) */
 885         if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
 886                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 887                 pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
 888                            GSM_ADDR_BASE);
 889                 return -1;
 890         }
 891         pm8001_dbg(pm8001_ha, INIT,
 892                    "GSM 0x0(0x00007b88)-GSM Configuration and Reset = 0x%x\n",
 893                    pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
 894
 895         /* step 3: host read GSM Configuration and Reset register */
 896         regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
 897         /* Put those bits to low */
 898         /* GSM XCBI offset = 0x70 0000
 899         0x00 Bit 13 COM_SLV_SW_RSTB 1
 900         0x00 Bit 12 QSSP_SW_RSTB 1
 901         0x00 Bit 11 RAAE_SW_RSTB 1
 902         0x00 Bit 9 RB_1_SW_RSTB 1
 903         0x00 Bit 8 SM_SW_RSTB 1
 904         */
 905         regVal &= ~(0x00003b00);
 906         /* host write GSM Configuration and Reset register */
 907         pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
 908         pm8001_dbg(pm8001_ha, INIT,
 909                    "GSM 0x0 (0x00007b88 ==> 0x00004088) - GSM Configuration and Reset is set to = 0x%x\n",
 910                    pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
 911
 912         /* step 4: */
 913         /* disable GSM - Read Address Parity Check */
 914         regVal1 = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
 915         pm8001_dbg(pm8001_ha, INIT,
 916                    "GSM 0x700038 - Read Address Parity Check Enable = 0x%x\n",
 917                    regVal1);
 918         pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, 0x0);
 919         pm8001_dbg(pm8001_ha, INIT,
 920                    "GSM 0x700038 - Read Address Parity Check Enable is set to = 0x%x\n",
 921                    pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK));
 922
 923         /* disable GSM - Write Address Parity Check */
 924         regVal2 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
 925         pm8001_dbg(pm8001_ha, INIT,
 926                    "GSM 0x700040 - Write Address Parity Check Enable = 0x%x\n",
 927                    regVal2);
 928         pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, 0x0);
 929         pm8001_dbg(pm8001_ha, INIT,
 930                    "GSM 0x700040 - Write Address Parity Check Enable is set to = 0x%x\n",
 931                    pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK));
 932
 933         /* disable GSM - Write Data Parity Check */
 934         regVal3 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
 935         pm8001_dbg(pm8001_ha, INIT, "GSM 0x300048 - Write Data Parity Check Enable = 0x%x\n",
 936                    regVal3);
 937         pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, 0x0);
 938         pm8001_dbg(pm8001_ha, INIT,
 939                    "GSM 0x300048 - Write Data Parity Check Enable is set to = 0x%x\n",
 940                    pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK));
 941
 942         /* step 5: delay 10 usec */
 943         udelay(10);
 944         /* step 5-b: set GPIO-0 output control to tristate anyway */
 945         if (-1 == pm8001_bar4_shift(pm8001_ha, GPIO_ADDR_BASE)) {
 946                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 947                 pm8001_dbg(pm8001_ha, INIT, "Shift Bar4 to 0x%x failed\n",
 948                            GPIO_ADDR_BASE);
 949                 return -1;
 950         }
 951         regVal = pm8001_cr32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET);
 952         pm8001_dbg(pm8001_ha, INIT, "GPIO Output Control Register: = 0x%x\n",
 953                    regVal);
 954         /* set GPIO-0 output control to tri-state */
 955         regVal &= 0xFFFFFFFC;
 956         pm8001_cw32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET, regVal);
 957
 958         /* Step 6: Reset the IOP and AAP1 */
 959         /* map 0x00000 to BAR4(0x20), BAR2(win) */
 960         if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
 961                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 962                 pm8001_dbg(pm8001_ha, FAIL, "SPC Shift Bar4 to 0x%x failed\n",
 963                            SPC_TOP_LEVEL_ADDR_BASE);
 964                 return -1;
 965         }
 966         regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 967         pm8001_dbg(pm8001_ha, INIT, "Top Register before resetting IOP/AAP1:= 0x%x\n",
 968                    regVal);
 969         regVal &= ~(SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
 970         pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 971
 972         /* step 7: Reset the BDMA/OSSP */
 973         regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 974         pm8001_dbg(pm8001_ha, INIT, "Top Register before resetting BDMA/OSSP: = 0x%x\n",
 975                    regVal);
 976         regVal &= ~(SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
 977         pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 978
 979         /* step 8: delay 10 usec */
 980         udelay(10);
 981
 982         /* step 9: bring the BDMA and OSSP out of reset */
 983         regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 984         pm8001_dbg(pm8001_ha, INIT,
 985                    "Top Register before bringing up BDMA/OSSP:= 0x%x\n",
 986                    regVal);
 987         regVal |= (SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
 988         pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 989
 990         /* step 10: delay 10 usec */
 991         udelay(10);
 992
 993         /* step 11: reads and sets the GSM Configuration and Reset Register */
 994         /* map 0x0700000 to BAR4(0x20), BAR2(win) */
 995         if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
 996                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 997                 pm8001_dbg(pm8001_ha, FAIL, "SPC Shift Bar4 to 0x%x failed\n",
 998                            GSM_ADDR_BASE);
 999                 return -1;
1000         }
1001         pm8001_dbg(pm8001_ha, INIT,
1002                    "GSM 0x0 (0x00007b88)-GSM Configuration and Reset = 0x%x\n",
1003                    pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
1004         regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
1005         /* Put those bits to high */
1006         /* GSM XCBI offset = 0x70 0000
1007         0x00 Bit 13 COM_SLV_SW_RSTB 1
1008         0x00 Bit 12 QSSP_SW_RSTB 1
1009         0x00 Bit 11 RAAE_SW_RSTB 1
1010         0x00 Bit 9   RB_1_SW_RSTB 1
1011         0x00 Bit 8   SM_SW_RSTB 1
1012         */
1013         regVal |= (GSM_CONFIG_RESET_VALUE);
1014         pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
1015         pm8001_dbg(pm8001_ha, INIT, "GSM (0x00004088 ==> 0x00007b88) - GSM Configuration and Reset is set to = 0x%x\n",
1016                    pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
1017
1018         /* step 12: Restore GSM - Read Address Parity Check */
1019         regVal = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
1020         /* just for debugging */
1021         pm8001_dbg(pm8001_ha, INIT,
1022                    "GSM 0x700038 - Read Address Parity Check Enable = 0x%x\n",
1023                    regVal);
1024         pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, regVal1);
1025         pm8001_dbg(pm8001_ha, INIT, "GSM 0x700038 - Read Address Parity Check Enable is set to = 0x%x\n",
1026                    pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK));
1027         /* Restore GSM - Write Address Parity Check */
1028         regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
1029         pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, regVal2);
1030         pm8001_dbg(pm8001_ha, INIT,
1031                    "GSM 0x700040 - Write Address Parity Check Enable is set to = 0x%x\n",
1032                    pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK));
1033         /* Restore GSM - Write Data Parity Check */
1034         regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
1035         pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, regVal3);
1036         pm8001_dbg(pm8001_ha, INIT,
1037                    "GSM 0x700048 - Write Data Parity Check Enable is set to = 0x%x\n",
1038                    pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK));
1039
1040         /* step 13: bring the IOP and AAP1 out of reset */
1041         /* map 0x00000 to BAR4(0x20), BAR2(win) */
1042         if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
1043                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1044                 pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
1045                            SPC_TOP_LEVEL_ADDR_BASE);
1046                 return -1;
1047         }
1048         regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
1049         regVal |= (SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
1050         pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
1051
1052         /* step 14: delay 10 usec - Normal Mode */
1053         udelay(10);
1054         /* check Soft Reset Normal mode or Soft Reset HDA mode */
1055         if (signature == SPC_SOFT_RESET_SIGNATURE) {
1056                 /* step 15 (Normal Mode): wait until scratch pad1 register
1057                 bit 2 toggled */
1058                 max_wait_count = 2 * 1000 * 1000;/* 2 sec */
1059                 do {
1060                         udelay(1);
1061                         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1062                                 SCRATCH_PAD1_RST;
1063                 } while ((regVal != toggleVal) && (--max_wait_count));
1064
1065                 if (!max_wait_count) {
1066                         regVal = pm8001_cr32(pm8001_ha, 0,
1067                                 MSGU_SCRATCH_PAD_1);
1068                         pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT : ToggleVal 0x%x,MSGU_SCRATCH_PAD1 = 0x%x\n",
1069                                    toggleVal, regVal);
1070                         pm8001_dbg(pm8001_ha, FAIL,
1071                                    "SCRATCH_PAD0 value = 0x%x\n",
1072                                    pm8001_cr32(pm8001_ha, 0,
1073                                                MSGU_SCRATCH_PAD_0));
1074                         pm8001_dbg(pm8001_ha, FAIL,
1075                                    "SCRATCH_PAD2 value = 0x%x\n",
1076                                    pm8001_cr32(pm8001_ha, 0,
1077                                                MSGU_SCRATCH_PAD_2));
1078                         pm8001_dbg(pm8001_ha, FAIL,
1079                                    "SCRATCH_PAD3 value = 0x%x\n",
1080                                    pm8001_cr32(pm8001_ha, 0,
1081                                                MSGU_SCRATCH_PAD_3));
1082                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1083                         return -1;
1084                 }
1085
1086                 /* step 16 (Normal) - Clear ODMR and ODCR */
1087                 pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1088                 pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1089
1090                 /* step 17 (Normal Mode): wait for the FW and IOP to get
1091                 ready - 1 sec timeout */
1092                 /* Wait for the SPC Configuration Table to be ready */
1093                 if (check_fw_ready(pm8001_ha) == -1) {
1094                         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1095                         /* return error if MPI Configuration Table not ready */
1096                         pm8001_dbg(pm8001_ha, INIT,
1097                                    "FW not ready SCRATCH_PAD1 = 0x%x\n",
1098                                    regVal);
1099                         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1100                         /* return error if MPI Configuration Table not ready */
1101                         pm8001_dbg(pm8001_ha, INIT,
1102                                    "FW not ready SCRATCH_PAD2 = 0x%x\n",
1103                                    regVal);
1104                         pm8001_dbg(pm8001_ha, INIT,
1105                                    "SCRATCH_PAD0 value = 0x%x\n",
1106                                    pm8001_cr32(pm8001_ha, 0,
1107                                                MSGU_SCRATCH_PAD_0));
1108                         pm8001_dbg(pm8001_ha, INIT,
1109                                    "SCRATCH_PAD3 value = 0x%x\n",
1110                                    pm8001_cr32(pm8001_ha, 0,
1111                                                MSGU_SCRATCH_PAD_3));
1112                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1113                         return -1;
1114                 }
1115         }
1116         pm8001_bar4_shift(pm8001_ha, 0);
1117         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1118
1119         pm8001_dbg(pm8001_ha, INIT, "SPC soft reset Complete\n");
1120         return 0;
1121 }
1122
1123 static void pm8001_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1124 {
1125         u32 i;
1126         u32 regVal;
1127         pm8001_dbg(pm8001_ha, INIT, "chip reset start\n");
1128
1129         /* do SPC chip reset. */
1130         regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1131         regVal &= ~(SPC_REG_RESET_DEVICE);
1132         pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1133
1134         /* delay 10 usec */
1135         udelay(10);
1136
1137         /* bring chip reset out of reset */
1138         regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1139         regVal |= SPC_REG_RESET_DEVICE;
1140         pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1141
1142         /* delay 10 usec */
1143         udelay(10);
1144
1145         /* wait for 20 msec until the firmware gets reloaded */
1146         i = 20;
1147         do {
1148                 mdelay(1);
1149         } while ((--i) != 0);
1150
1151         pm8001_dbg(pm8001_ha, INIT, "chip reset finished\n");
1152 }
1153
1154 /**
1155  * pm8001_chip_iounmap - which mapped when initialized.
1156  * @pm8001_ha: our hba card information
1157  */
1158 void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha)
1159 {
1160         s8 bar, logical = 0;
1161         for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) {
1162                 /*
1163                 ** logical BARs for SPC:
1164                 ** bar 0 and 1 - logical BAR0
1165                 ** bar 2 and 3 - logical BAR1
1166                 ** bar4 - logical BAR2
1167                 ** bar5 - logical BAR3
1168                 ** Skip the appropriate assignments:
1169                 */
1170                 if ((bar == 1) || (bar == 3))
1171                         continue;
1172                 if (pm8001_ha->io_mem[logical].memvirtaddr) {
1173                         iounmap(pm8001_ha->io_mem[logical].memvirtaddr);
1174                         logical++;
1175                 }
1176         }
1177 }
1178
1179 #ifndef PM8001_USE_MSIX
1180 /**
1181  * pm8001_chip_intx_interrupt_enable - enable PM8001 chip interrupt
1182  * @pm8001_ha: our hba card information
1183  */
1184 static void
1185 pm8001_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1186 {
1187         pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1188         pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1189 }
1190
1191 /**
1192  * pm8001_chip_intx_interrupt_disable - disable PM8001 chip interrupt
1193  * @pm8001_ha: our hba card information
1194  */
1195 static void
1196 pm8001_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1197 {
1198         pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_MASK_ALL);
1199 }
1200
1201 #else
1202
1203 /**
1204  * pm8001_chip_msix_interrupt_enable - enable PM8001 chip interrupt
1205  * @pm8001_ha: our hba card information
1206  * @int_vec_idx: interrupt number to enable
1207  */
1208 static void
1209 pm8001_chip_msix_interrupt_enable(struct pm8001_hba_info *pm8001_ha,
1210         u32 int_vec_idx)
1211 {
1212         u32 msi_index;
1213         u32 value;
1214         msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1215         msi_index += MSIX_TABLE_BASE;
1216         pm8001_cw32(pm8001_ha, 0, msi_index, MSIX_INTERRUPT_ENABLE);
1217         value = (1 << int_vec_idx);
1218         pm8001_cw32(pm8001_ha, 0,  MSGU_ODCR, value);
1219
1220 }
1221
1222 /**
1223  * pm8001_chip_msix_interrupt_disable - disable PM8001 chip interrupt
1224  * @pm8001_ha: our hba card information
1225  * @int_vec_idx: interrupt number to disable
1226  */
1227 static void
1228 pm8001_chip_msix_interrupt_disable(struct pm8001_hba_info *pm8001_ha,
1229         u32 int_vec_idx)
1230 {
1231         u32 msi_index;
1232         msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1233         msi_index += MSIX_TABLE_BASE;
1234         pm8001_cw32(pm8001_ha, 0,  msi_index, MSIX_INTERRUPT_DISABLE);
1235 }
1236 #endif
1237
1238 /**
1239  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1240  * @pm8001_ha: our hba card information
1241  * @vec: unused
1242  */
1243 static void
1244 pm8001_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1245 {
1246 #ifdef PM8001_USE_MSIX
1247         pm8001_chip_msix_interrupt_enable(pm8001_ha, 0);
1248 #else
1249         pm8001_chip_intx_interrupt_enable(pm8001_ha);
1250 #endif
1251 }
1252
1253 /**
1254  * pm8001_chip_interrupt_disable - disable PM8001 chip interrupt
1255  * @pm8001_ha: our hba card information
1256  * @vec: unused
1257  */
1258 static void
1259 pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1260 {
1261 #ifdef PM8001_USE_MSIX
1262         pm8001_chip_msix_interrupt_disable(pm8001_ha, 0);
1263 #else
1264         pm8001_chip_intx_interrupt_disable(pm8001_ha);
1265 #endif
1266 }
1267
1268 /**
1269  * pm8001_mpi_msg_free_get - get the free message buffer for transfer
1270  * inbound queue.
1271  * @circularQ: the inbound queue  we want to transfer to HBA.
1272  * @messageSize: the message size of this transfer, normally it is 64 bytes
1273  * @messagePtr: the pointer to message.
1274  */
1275 int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
1276                             u16 messageSize, void **messagePtr)
1277 {
1278         u32 offset, consumer_index;
1279         struct mpi_msg_hdr *msgHeader;
1280         u8 bcCount = 1; /* only support single buffer */
1281
1282         /* Checks is the requested message size can be allocated in this queue*/
1283         if (messageSize > IOMB_SIZE_SPCV) {
1284                 *messagePtr = NULL;
1285                 return -1;
1286         }
1287
1288         /* Stores the new consumer index */
1289         consumer_index = pm8001_read_32(circularQ->ci_virt);
1290         circularQ->consumer_index = cpu_to_le32(consumer_index);
1291         if (((circularQ->producer_idx + bcCount) % PM8001_MPI_QUEUE) ==
1292                 le32_to_cpu(circularQ->consumer_index)) {
1293                 *messagePtr = NULL;
1294                 return -1;
1295         }
1296         /* get memory IOMB buffer address */
1297         offset = circularQ->producer_idx * messageSize;
1298         /* increment to next bcCount element */
1299         circularQ->producer_idx = (circularQ->producer_idx + bcCount)
1300                                 % PM8001_MPI_QUEUE;
1301         /* Adds that distance to the base of the region virtual address plus
1302         the message header size*/
1303         msgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt + offset);
1304         *messagePtr = ((void *)msgHeader) + sizeof(struct mpi_msg_hdr);
1305         return 0;
1306 }
1307
1308 /**
1309  * pm8001_mpi_build_cmd- build the message queue for transfer, update the PI to
1310  * FW to tell the fw to get this message from IOMB.
1311  * @pm8001_ha: our hba card information
1312  * @q_index: the index in the inbound queue we want to transfer to HBA.
1313  * @opCode: the operation code represents commands which LLDD and fw recognized.
1314  * @payload: the command payload of each operation command.
1315  * @nb: size in bytes of the command payload
1316  * @responseQueue: queue to interrupt on w/ command response (if any)
1317  */
1318 int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
1319                          u32 q_index, 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         struct inbound_queue_table *circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
1326         int rv;
1327         u32 htag = le32_to_cpu(*(__le32 *)payload);
1328
1329         trace_pm80xx_mpi_build_cmd(pm8001_ha->id, opCode, htag, q_index,
1330                 circularQ->producer_idx, le32_to_cpu(circularQ->consumer_index));
1331
1332         if (WARN_ON(q_index >= pm8001_ha->max_q_num))
1333                 return -EINVAL;
1334
1335         spin_lock_irqsave(&circularQ->iq_lock, flags);
1336         rv = pm8001_mpi_msg_free_get(circularQ, pm8001_ha->iomb_size,
1337                         &pMessage);
1338         if (rv < 0) {
1339                 pm8001_dbg(pm8001_ha, IO, "No free mpi buffer\n");
1340                 rv = -ENOMEM;
1341                 goto done;
1342         }
1343
1344         if (nb > (pm8001_ha->iomb_size - sizeof(struct mpi_msg_hdr)))
1345                 nb = pm8001_ha->iomb_size - sizeof(struct mpi_msg_hdr);
1346         memcpy(pMessage, payload, nb);
1347         if (nb + sizeof(struct mpi_msg_hdr) < pm8001_ha->iomb_size)
1348                 memset(pMessage + nb, 0, pm8001_ha->iomb_size -
1349                                 (nb + sizeof(struct mpi_msg_hdr)));
1350
1351         /*Build the header*/
1352         Header = ((1 << 31) | (hpriority << 30) | ((bc & 0x1f) << 24)
1353                 | ((responseQueue & 0x3F) << 16)
1354                 | ((category & 0xF) << 12) | (opCode & 0xFFF));
1355
1356         pm8001_write_32((pMessage - 4), 0, cpu_to_le32(Header));
1357         /*Update the PI to the firmware*/
1358         pm8001_cw32(pm8001_ha, circularQ->pi_pci_bar,
1359                 circularQ->pi_offset, circularQ->producer_idx);
1360         pm8001_dbg(pm8001_ha, DEVIO,
1361                    "INB Q %x OPCODE:%x , UPDATED PI=%d CI=%d\n",
1362                    responseQueue, opCode, circularQ->producer_idx,
1363                    circularQ->consumer_index);
1364 done:
1365         spin_unlock_irqrestore(&circularQ->iq_lock, flags);
1366         return rv;
1367 }
1368
1369 u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
1370                             struct outbound_queue_table *circularQ, u8 bc)
1371 {
1372         u32 producer_index;
1373         struct mpi_msg_hdr *msgHeader;
1374         struct mpi_msg_hdr *pOutBoundMsgHeader;
1375
1376         msgHeader = (struct mpi_msg_hdr *)(pMsg - sizeof(struct mpi_msg_hdr));
1377         pOutBoundMsgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt +
1378                                 circularQ->consumer_idx * pm8001_ha->iomb_size);
1379         if (pOutBoundMsgHeader != msgHeader) {
1380                 pm8001_dbg(pm8001_ha, FAIL,
1381                            "consumer_idx = %d msgHeader = %p\n",
1382                            circularQ->consumer_idx, msgHeader);
1383
1384                 /* Update the producer index from SPC */
1385                 producer_index = pm8001_read_32(circularQ->pi_virt);
1386                 circularQ->producer_index = cpu_to_le32(producer_index);
1387                 pm8001_dbg(pm8001_ha, FAIL,
1388                            "consumer_idx = %d producer_index = %dmsgHeader = %p\n",
1389                            circularQ->consumer_idx,
1390                            circularQ->producer_index, msgHeader);
1391                 return 0;
1392         }
1393         /* free the circular queue buffer elements associated with the message*/
1394         circularQ->consumer_idx = (circularQ->consumer_idx + bc)
1395                                 % PM8001_MPI_QUEUE;
1396         /* update the CI of outbound queue */
1397         pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar, circularQ->ci_offset,
1398                 circularQ->consumer_idx);
1399         /* Update the producer index from SPC*/
1400         producer_index = pm8001_read_32(circularQ->pi_virt);
1401         circularQ->producer_index = cpu_to_le32(producer_index);
1402         pm8001_dbg(pm8001_ha, IO, " CI=%d PI=%d\n",
1403                    circularQ->consumer_idx, circularQ->producer_index);
1404         return 0;
1405 }
1406
1407 /**
1408  * pm8001_mpi_msg_consume- get the MPI message from outbound queue
1409  * message table.
1410  * @pm8001_ha: our hba card information
1411  * @circularQ: the outbound queue  table.
1412  * @messagePtr1: the message contents of this outbound message.
1413  * @pBC: the message size.
1414  */
1415 u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
1416                            struct outbound_queue_table *circularQ,
1417                            void **messagePtr1, u8 *pBC)
1418 {
1419         struct mpi_msg_hdr      *msgHeader;
1420         __le32  msgHeader_tmp;
1421         u32 header_tmp;
1422         do {
1423                 /* If there are not-yet-delivered messages ... */
1424                 if (le32_to_cpu(circularQ->producer_index)
1425                         != circularQ->consumer_idx) {
1426                         /*Get the pointer to the circular queue buffer element*/
1427                         msgHeader = (struct mpi_msg_hdr *)
1428                                 (circularQ->base_virt +
1429                                 circularQ->consumer_idx * pm8001_ha->iomb_size);
1430                         /* read header */
1431                         header_tmp = pm8001_read_32(msgHeader);
1432                         msgHeader_tmp = cpu_to_le32(header_tmp);
1433                         pm8001_dbg(pm8001_ha, DEVIO,
1434                                    "outbound opcode msgheader:%x ci=%d pi=%d\n",
1435                                    msgHeader_tmp, circularQ->consumer_idx,
1436                                    circularQ->producer_index);
1437                         if (0 != (le32_to_cpu(msgHeader_tmp) & 0x80000000)) {
1438                                 if (OPC_OUB_SKIP_ENTRY !=
1439                                         (le32_to_cpu(msgHeader_tmp) & 0xfff)) {
1440                                         *messagePtr1 =
1441                                                 ((u8 *)msgHeader) +
1442                                                 sizeof(struct mpi_msg_hdr);
1443                                         *pBC = (u8)((le32_to_cpu(msgHeader_tmp)
1444                                                 >> 24) & 0x1f);
1445                                         pm8001_dbg(pm8001_ha, IO,
1446                                                    ": CI=%d PI=%d msgHeader=%x\n",
1447                                                    circularQ->consumer_idx,
1448                                                    circularQ->producer_index,
1449                                                    msgHeader_tmp);
1450                                         return MPI_IO_STATUS_SUCCESS;
1451                                 } else {
1452                                         circularQ->consumer_idx =
1453                                                 (circularQ->consumer_idx +
1454                                                 ((le32_to_cpu(msgHeader_tmp)
1455                                                  >> 24) & 0x1f))
1456                                                         % PM8001_MPI_QUEUE;
1457                                         msgHeader_tmp = 0;
1458                                         pm8001_write_32(msgHeader, 0, 0);
1459                                         /* update the CI of outbound queue */
1460                                         pm8001_cw32(pm8001_ha,
1461                                                 circularQ->ci_pci_bar,
1462                                                 circularQ->ci_offset,
1463                                                 circularQ->consumer_idx);
1464                                 }
1465                         } else {
1466                                 circularQ->consumer_idx =
1467                                         (circularQ->consumer_idx +
1468                                         ((le32_to_cpu(msgHeader_tmp) >> 24) &
1469                                         0x1f)) % PM8001_MPI_QUEUE;
1470                                 msgHeader_tmp = 0;
1471                                 pm8001_write_32(msgHeader, 0, 0);
1472                                 /* update the CI of outbound queue */
1473                                 pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar,
1474                                         circularQ->ci_offset,
1475                                         circularQ->consumer_idx);
1476                                 return MPI_IO_STATUS_FAIL;
1477                         }
1478                 } else {
1479                         u32 producer_index;
1480                         void *pi_virt = circularQ->pi_virt;
1481                         /* spurious interrupt during setup if
1482                          * kexec-ing and driver doing a doorbell access
1483                          * with the pre-kexec oq interrupt setup
1484                          */
1485                         if (!pi_virt)
1486                                 break;
1487                         /* Update the producer index from SPC */
1488                         producer_index = pm8001_read_32(pi_virt);
1489                         circularQ->producer_index = cpu_to_le32(producer_index);
1490                 }
1491         } while (le32_to_cpu(circularQ->producer_index) !=
1492                 circularQ->consumer_idx);
1493         /* while we don't have any more not-yet-delivered message */
1494         /* report empty */
1495         return MPI_IO_STATUS_BUSY;
1496 }
1497
1498 void pm8001_work_fn(struct work_struct *work)
1499 {
1500         struct pm8001_work *pw = container_of(work, struct pm8001_work, work);
1501         struct pm8001_device *pm8001_dev;
1502         struct domain_device *dev;
1503
1504         /*
1505          * So far, all users of this stash an associated structure here.
1506          * If we get here, and this pointer is null, then the action
1507          * was cancelled. This nullification happens when the device
1508          * goes away.
1509          */
1510         if (pw->handler != IO_FATAL_ERROR) {
1511                 pm8001_dev = pw->data; /* Most stash device structure */
1512                 if ((pm8001_dev == NULL)
1513                  || ((pw->handler != IO_XFER_ERROR_BREAK)
1514                          && (pm8001_dev->dev_type == SAS_PHY_UNUSED))) {
1515                         kfree(pw);
1516                         return;
1517                 }
1518         }
1519
1520         switch (pw->handler) {
1521         case IO_XFER_ERROR_BREAK:
1522         {       /* This one stashes the sas_task instead */
1523                 struct sas_task *t = (struct sas_task *)pm8001_dev;
1524                 struct pm8001_ccb_info *ccb;
1525                 struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1526                 unsigned long flags, flags1;
1527                 struct task_status_struct *ts;
1528                 int i;
1529
1530                 if (pm8001_query_task(t) == TMF_RESP_FUNC_SUCC)
1531                         break; /* Task still on lu */
1532                 spin_lock_irqsave(&pm8001_ha->lock, flags);
1533
1534                 spin_lock_irqsave(&t->task_state_lock, flags1);
1535                 if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1536                         spin_unlock_irqrestore(&t->task_state_lock, flags1);
1537                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1538                         break; /* Task got completed by another */
1539                 }
1540                 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1541
1542                 /* Search for a possible ccb that matches the task */
1543                 for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1544                         ccb = &pm8001_ha->ccb_info[i];
1545                         if ((ccb->ccb_tag != PM8001_INVALID_TAG) &&
1546                             (ccb->task == t))
1547                                 break;
1548                 }
1549                 if (!ccb) {
1550                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1551                         break; /* Task got freed by another */
1552                 }
1553                 ts = &t->task_status;
1554                 ts->resp = SAS_TASK_COMPLETE;
1555                 /* Force the midlayer to retry */
1556                 ts->stat = SAS_QUEUE_FULL;
1557                 pm8001_dev = ccb->device;
1558                 if (pm8001_dev)
1559                         atomic_dec(&pm8001_dev->running_req);
1560                 spin_lock_irqsave(&t->task_state_lock, flags1);
1561                 t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1562                 t->task_state_flags |= SAS_TASK_STATE_DONE;
1563                 if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1564                         spin_unlock_irqrestore(&t->task_state_lock, flags1);
1565                         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",
1566                                    t, pw->handler, ts->resp, ts->stat);
1567                         pm8001_ccb_task_free(pm8001_ha, ccb);
1568                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1569                 } else {
1570                         spin_unlock_irqrestore(&t->task_state_lock, flags1);
1571                         pm8001_ccb_task_free(pm8001_ha, ccb);
1572                         mb();/* in order to force CPU ordering */
1573                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1574                         t->task_done(t);
1575                 }
1576         }       break;
1577         case IO_XFER_OPEN_RETRY_TIMEOUT:
1578         {       /* This one stashes the sas_task instead */
1579                 struct sas_task *t = (struct sas_task *)pm8001_dev;
1580                 struct pm8001_ccb_info *ccb;
1581                 struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1582                 unsigned long flags, flags1;
1583                 int i, ret = 0;
1584
1585                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
1586
1587                 ret = pm8001_query_task(t);
1588
1589                 if (ret == TMF_RESP_FUNC_SUCC)
1590                         pm8001_dbg(pm8001_ha, IO, "...Task on lu\n");
1591                 else if (ret == TMF_RESP_FUNC_COMPLETE)
1592                         pm8001_dbg(pm8001_ha, IO, "...Task NOT on lu\n");
1593                 else
1594                         pm8001_dbg(pm8001_ha, DEVIO, "...query task failed!!!\n");
1595
1596                 spin_lock_irqsave(&pm8001_ha->lock, flags);
1597
1598                 spin_lock_irqsave(&t->task_state_lock, flags1);
1599
1600                 if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1601                         spin_unlock_irqrestore(&t->task_state_lock, flags1);
1602                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1603                         if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1604                                 (void)pm8001_abort_task(t);
1605                         break; /* Task got completed by another */
1606                 }
1607
1608                 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1609
1610                 /* Search for a possible ccb that matches the task */
1611                 for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1612                         ccb = &pm8001_ha->ccb_info[i];
1613                         if ((ccb->ccb_tag != PM8001_INVALID_TAG) &&
1614                             (ccb->task == t))
1615                                 break;
1616                 }
1617                 if (!ccb) {
1618                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1619                         if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1620                                 (void)pm8001_abort_task(t);
1621                         break; /* Task got freed by another */
1622                 }
1623
1624                 pm8001_dev = ccb->device;
1625                 dev = pm8001_dev->sas_device;
1626
1627                 switch (ret) {
1628                 case TMF_RESP_FUNC_SUCC: /* task on lu */
1629                         ccb->open_retry = 1; /* Snub completion */
1630                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1631                         ret = pm8001_abort_task(t);
1632                         ccb->open_retry = 0;
1633                         switch (ret) {
1634                         case TMF_RESP_FUNC_SUCC:
1635                         case TMF_RESP_FUNC_COMPLETE:
1636                                 break;
1637                         default: /* device misbehavior */
1638                                 ret = TMF_RESP_FUNC_FAILED;
1639                                 pm8001_dbg(pm8001_ha, IO, "...Reset phy\n");
1640                                 pm8001_I_T_nexus_reset(dev);
1641                                 break;
1642                         }
1643                         break;
1644
1645                 case TMF_RESP_FUNC_COMPLETE: /* task not on lu */
1646                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1647                         /* Do we need to abort the task locally? */
1648                         break;
1649
1650                 default: /* device misbehavior */
1651                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1652                         ret = TMF_RESP_FUNC_FAILED;
1653                         pm8001_dbg(pm8001_ha, IO, "...Reset phy\n");
1654                         pm8001_I_T_nexus_reset(dev);
1655                 }
1656
1657                 if (ret == TMF_RESP_FUNC_FAILED)
1658                         t = NULL;
1659                 pm8001_open_reject_retry(pm8001_ha, t, pm8001_dev);
1660                 pm8001_dbg(pm8001_ha, IO, "...Complete\n");
1661         }       break;
1662         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1663                 dev = pm8001_dev->sas_device;
1664                 pm8001_I_T_nexus_event_handler(dev);
1665                 break;
1666         case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
1667                 dev = pm8001_dev->sas_device;
1668                 pm8001_I_T_nexus_reset(dev);
1669                 break;
1670         case IO_DS_IN_ERROR:
1671                 dev = pm8001_dev->sas_device;
1672                 pm8001_I_T_nexus_reset(dev);
1673                 break;
1674         case IO_DS_NON_OPERATIONAL:
1675                 dev = pm8001_dev->sas_device;
1676                 pm8001_I_T_nexus_reset(dev);
1677                 break;
1678         case IO_FATAL_ERROR:
1679         {
1680                 struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1681                 struct pm8001_ccb_info *ccb;
1682                 struct task_status_struct *ts;
1683                 struct sas_task *task;
1684                 int i;
1685                 u32 device_id;
1686
1687                 for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1688                         ccb = &pm8001_ha->ccb_info[i];
1689                         task = ccb->task;
1690                         ts = &task->task_status;
1691
1692                         if (task != NULL) {
1693                                 dev = task->dev;
1694                                 if (!dev) {
1695                                         pm8001_dbg(pm8001_ha, FAIL,
1696                                                 "dev is NULL\n");
1697                                         continue;
1698                                 }
1699                                 /*complete sas task and update to top layer */
1700                                 pm8001_ccb_task_free(pm8001_ha, ccb);
1701                                 ts->resp = SAS_TASK_COMPLETE;
1702                                 task->task_done(task);
1703                         } else if (ccb->ccb_tag != PM8001_INVALID_TAG) {
1704                                 /* complete the internal commands/non-sas task */
1705                                 pm8001_dev = ccb->device;
1706                                 if (pm8001_dev->dcompletion) {
1707                                         complete(pm8001_dev->dcompletion);
1708                                         pm8001_dev->dcompletion = NULL;
1709                                 }
1710                                 complete(pm8001_ha->nvmd_completion);
1711                                 pm8001_ccb_free(pm8001_ha, ccb);
1712                         }
1713                 }
1714                 /* Deregister all the device ids  */
1715                 for (i = 0; i < PM8001_MAX_DEVICES; i++) {
1716                         pm8001_dev = &pm8001_ha->devices[i];
1717                         device_id = pm8001_dev->device_id;
1718                         if (device_id) {
1719                                 PM8001_CHIP_DISP->dereg_dev_req(pm8001_ha, device_id);
1720                                 pm8001_free_dev(pm8001_dev);
1721                         }
1722                 }
1723         }       break;
1724         }
1725         kfree(pw);
1726 }
1727
1728 int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data,
1729                                int handler)
1730 {
1731         struct pm8001_work *pw;
1732         int ret = 0;
1733
1734         pw = kmalloc(sizeof(struct pm8001_work), GFP_ATOMIC);
1735         if (pw) {
1736                 pw->pm8001_ha = pm8001_ha;
1737                 pw->data = data;
1738                 pw->handler = handler;
1739                 INIT_WORK(&pw->work, pm8001_work_fn);
1740                 queue_work(pm8001_wq, &pw->work);
1741         } else
1742                 ret = -ENOMEM;
1743
1744         return ret;
1745 }
1746
1747 static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha,
1748                 struct pm8001_device *pm8001_ha_dev)
1749 {
1750         struct pm8001_ccb_info *ccb;
1751         struct sas_task *task;
1752         struct task_abort_req task_abort;
1753         u32 opc = OPC_INB_SATA_ABORT;
1754         int ret;
1755
1756         pm8001_ha_dev->id |= NCQ_ABORT_ALL_FLAG;
1757         pm8001_ha_dev->id &= ~NCQ_READ_LOG_FLAG;
1758
1759         task = sas_alloc_slow_task(GFP_ATOMIC);
1760         if (!task) {
1761                 pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task\n");
1762                 return;
1763         }
1764
1765         task->task_done = pm8001_task_done;
1766
1767         ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_ha_dev, task);
1768         if (!ccb) {
1769                 sas_free_task(task);
1770                 return;
1771         }
1772
1773         memset(&task_abort, 0, sizeof(task_abort));
1774         task_abort.abort_all = cpu_to_le32(1);
1775         task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1776         task_abort.tag = cpu_to_le32(ccb->ccb_tag);
1777
1778         ret = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &task_abort,
1779                                    sizeof(task_abort), 0);
1780         if (ret) {
1781                 sas_free_task(task);
1782                 pm8001_ccb_free(pm8001_ha, ccb);
1783         }
1784 }
1785
1786 static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha,
1787                 struct pm8001_device *pm8001_ha_dev)
1788 {
1789         struct sata_start_req sata_cmd;
1790         int res;
1791         struct pm8001_ccb_info *ccb;
1792         struct sas_task *task = NULL;
1793         struct host_to_dev_fis fis;
1794         struct domain_device *dev;
1795         u32 opc = OPC_INB_SATA_HOST_OPSTART;
1796
1797         task = sas_alloc_slow_task(GFP_ATOMIC);
1798         if (!task) {
1799                 pm8001_dbg(pm8001_ha, FAIL, "cannot allocate task !!!\n");
1800                 return;
1801         }
1802         task->task_done = pm8001_task_done;
1803
1804         /*
1805          * Allocate domain device by ourselves as libsas is not going to
1806          * provide any.
1807          */
1808         dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
1809         if (!dev) {
1810                 sas_free_task(task);
1811                 pm8001_dbg(pm8001_ha, FAIL,
1812                            "Domain device cannot be allocated\n");
1813                 return;
1814         }
1815         task->dev = dev;
1816         task->dev->lldd_dev = pm8001_ha_dev;
1817
1818         ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_ha_dev, task);
1819         if (!ccb) {
1820                 sas_free_task(task);
1821                 kfree(dev);
1822                 return;
1823         }
1824
1825         pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
1826         pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
1827
1828         /* construct read log FIS */
1829         memset(&fis, 0, sizeof(struct host_to_dev_fis));
1830         fis.fis_type = 0x27;
1831         fis.flags = 0x80;
1832         fis.command = ATA_CMD_READ_LOG_EXT;
1833         fis.lbal = 0x10;
1834         fis.sector_count = 0x1;
1835
1836         memset(&sata_cmd, 0, sizeof(sata_cmd));
1837         sata_cmd.tag = cpu_to_le32(ccb->ccb_tag);
1838         sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
1839         sata_cmd.ncqtag_atap_dir_m = cpu_to_le32((0x1 << 7) | (0x5 << 9));
1840         memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
1841
1842         res = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sata_cmd,
1843                                    sizeof(sata_cmd), 0);
1844         if (res) {
1845                 sas_free_task(task);
1846                 pm8001_ccb_free(pm8001_ha, ccb);
1847                 kfree(dev);
1848         }
1849 }
1850
1851 /**
1852  * mpi_ssp_completion- process the event that FW response to the SSP request.
1853  * @pm8001_ha: our hba card information
1854  * @piomb: the message contents of this outbound message.
1855  *
1856  * When FW has completed a ssp request for example a IO request, after it has
1857  * filled the SG data with the data, it will trigger this event representing
1858  * that he has finished the job; please check the corresponding buffer.
1859  * So we will tell the caller who maybe waiting the result to tell upper layer
1860  * that the task has been finished.
1861  */
1862 static void
1863 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
1864 {
1865         struct sas_task *t;
1866         struct pm8001_ccb_info *ccb;
1867         unsigned long flags;
1868         u32 status;
1869         u32 param;
1870         u32 tag;
1871         struct ssp_completion_resp *psspPayload;
1872         struct task_status_struct *ts;
1873         struct ssp_response_iu *iu;
1874         struct pm8001_device *pm8001_dev;
1875         psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1876         status = le32_to_cpu(psspPayload->status);
1877         tag = le32_to_cpu(psspPayload->tag);
1878         ccb = &pm8001_ha->ccb_info[tag];
1879         if ((status == IO_ABORTED) && ccb->open_retry) {
1880                 /* Being completed by another */
1881                 ccb->open_retry = 0;
1882                 return;
1883         }
1884         pm8001_dev = ccb->device;
1885         param = le32_to_cpu(psspPayload->param);
1886
1887         t = ccb->task;
1888
1889         if (status && status != IO_UNDERFLOW)
1890                 pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", status);
1891         if (unlikely(!t || !t->lldd_task || !t->dev))
1892                 return;
1893         ts = &t->task_status;
1894         /* Print sas address of IO failed device */
1895         if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1896                 (status != IO_UNDERFLOW))
1897                 pm8001_dbg(pm8001_ha, FAIL, "SAS Address of IO Failure Drive:%016llx\n",
1898                            SAS_ADDR(t->dev->sas_addr));
1899
1900         if (status)
1901                 pm8001_dbg(pm8001_ha, IOERR,
1902                            "status:0x%x, tag:0x%x, task:0x%p\n",
1903                            status, tag, t);
1904
1905         switch (status) {
1906         case IO_SUCCESS:
1907                 pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS,param = %d\n",
1908                            param);
1909                 if (param == 0) {
1910                         ts->resp = SAS_TASK_COMPLETE;
1911                         ts->stat = SAS_SAM_STAT_GOOD;
1912                 } else {
1913                         ts->resp = SAS_TASK_COMPLETE;
1914                         ts->stat = SAS_PROTO_RESPONSE;
1915                         ts->residual = param;
1916                         iu = &psspPayload->ssp_resp_iu;
1917                         sas_ssp_task_response(pm8001_ha->dev, t, iu);
1918                 }
1919                 if (pm8001_dev)
1920                         atomic_dec(&pm8001_dev->running_req);
1921                 break;
1922         case IO_ABORTED:
1923                 pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
1924                 ts->resp = SAS_TASK_COMPLETE;
1925                 ts->stat = SAS_ABORTED_TASK;
1926                 break;
1927         case IO_UNDERFLOW:
1928                 /* SSP Completion with error */
1929                 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW,param = %d\n",
1930                            param);
1931                 ts->resp = SAS_TASK_COMPLETE;
1932                 ts->stat = SAS_DATA_UNDERRUN;
1933                 ts->residual = param;
1934                 if (pm8001_dev)
1935                         atomic_dec(&pm8001_dev->running_req);
1936                 break;
1937         case IO_NO_DEVICE:
1938                 pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
1939                 ts->resp = SAS_TASK_UNDELIVERED;
1940                 ts->stat = SAS_PHY_DOWN;
1941                 break;
1942         case IO_XFER_ERROR_BREAK:
1943                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
1944                 ts->resp = SAS_TASK_COMPLETE;
1945                 ts->stat = SAS_OPEN_REJECT;
1946                 /* Force the midlayer to retry */
1947                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1948                 break;
1949         case IO_XFER_ERROR_PHY_NOT_READY:
1950                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
1951                 ts->resp = SAS_TASK_COMPLETE;
1952                 ts->stat = SAS_OPEN_REJECT;
1953                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1954                 break;
1955         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1956                 pm8001_dbg(pm8001_ha, IO,
1957                            "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
1958                 ts->resp = SAS_TASK_COMPLETE;
1959                 ts->stat = SAS_OPEN_REJECT;
1960                 ts->open_rej_reason = SAS_OREJ_EPROTO;
1961                 break;
1962         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1963                 pm8001_dbg(pm8001_ha, IO,
1964                            "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
1965                 ts->resp = SAS_TASK_COMPLETE;
1966                 ts->stat = SAS_OPEN_REJECT;
1967                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1968                 break;
1969         case IO_OPEN_CNX_ERROR_BREAK:
1970                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
1971                 ts->resp = SAS_TASK_COMPLETE;
1972                 ts->stat = SAS_OPEN_REJECT;
1973                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1974                 break;
1975         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1976                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
1977                 ts->resp = SAS_TASK_COMPLETE;
1978                 ts->stat = SAS_OPEN_REJECT;
1979                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1980                 if (!t->uldd_task)
1981                         pm8001_handle_event(pm8001_ha,
1982                                 pm8001_dev,
1983                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1984                 break;
1985         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1986                 pm8001_dbg(pm8001_ha, IO,
1987                            "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
1988                 ts->resp = SAS_TASK_COMPLETE;
1989                 ts->stat = SAS_OPEN_REJECT;
1990                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1991                 break;
1992         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1993                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
1994                 ts->resp = SAS_TASK_COMPLETE;
1995                 ts->stat = SAS_OPEN_REJECT;
1996                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1997                 break;
1998         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1999                 pm8001_dbg(pm8001_ha, IO,
2000                            "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2001                 ts->resp = SAS_TASK_UNDELIVERED;
2002                 ts->stat = SAS_OPEN_REJECT;
2003                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2004                 break;
2005         case IO_XFER_ERROR_NAK_RECEIVED:
2006                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2007                 ts->resp = SAS_TASK_COMPLETE;
2008                 ts->stat = SAS_OPEN_REJECT;
2009                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2010                 break;
2011         case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2012                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2013                 ts->resp = SAS_TASK_COMPLETE;
2014                 ts->stat = SAS_NAK_R_ERR;
2015                 break;
2016         case IO_XFER_ERROR_DMA:
2017                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2018                 ts->resp = SAS_TASK_COMPLETE;
2019                 ts->stat = SAS_OPEN_REJECT;
2020                 break;
2021         case IO_XFER_OPEN_RETRY_TIMEOUT:
2022                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2023                 ts->resp = SAS_TASK_COMPLETE;
2024                 ts->stat = SAS_OPEN_REJECT;
2025                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2026                 break;
2027         case IO_XFER_ERROR_OFFSET_MISMATCH:
2028                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2029                 ts->resp = SAS_TASK_COMPLETE;
2030                 ts->stat = SAS_OPEN_REJECT;
2031                 break;
2032         case IO_PORT_IN_RESET:
2033                 pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2034                 ts->resp = SAS_TASK_COMPLETE;
2035                 ts->stat = SAS_OPEN_REJECT;
2036                 break;
2037         case IO_DS_NON_OPERATIONAL:
2038                 pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2039                 ts->resp = SAS_TASK_COMPLETE;
2040                 ts->stat = SAS_OPEN_REJECT;
2041                 if (!t->uldd_task)
2042                         pm8001_handle_event(pm8001_ha,
2043                                 pm8001_dev,
2044                                 IO_DS_NON_OPERATIONAL);
2045                 break;
2046         case IO_DS_IN_RECOVERY:
2047                 pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2048                 ts->resp = SAS_TASK_COMPLETE;
2049                 ts->stat = SAS_OPEN_REJECT;
2050                 break;
2051         case IO_TM_TAG_NOT_FOUND:
2052                 pm8001_dbg(pm8001_ha, IO, "IO_TM_TAG_NOT_FOUND\n");
2053                 ts->resp = SAS_TASK_COMPLETE;
2054                 ts->stat = SAS_OPEN_REJECT;
2055                 break;
2056         case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
2057                 pm8001_dbg(pm8001_ha, IO, "IO_SSP_EXT_IU_ZERO_LEN_ERROR\n");
2058                 ts->resp = SAS_TASK_COMPLETE;
2059                 ts->stat = SAS_OPEN_REJECT;
2060                 break;
2061         case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2062                 pm8001_dbg(pm8001_ha, IO,
2063                            "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2064                 ts->resp = SAS_TASK_COMPLETE;
2065                 ts->stat = SAS_OPEN_REJECT;
2066                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2067                 break;
2068         default:
2069                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2070                 /* not allowed case. Therefore, return failed status */
2071                 ts->resp = SAS_TASK_COMPLETE;
2072                 ts->stat = SAS_OPEN_REJECT;
2073                 break;
2074         }
2075         pm8001_dbg(pm8001_ha, IO, "scsi_status = %x\n",
2076                    psspPayload->ssp_resp_iu.status);
2077         spin_lock_irqsave(&t->task_state_lock, flags);
2078         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2079         t->task_state_flags |= SAS_TASK_STATE_DONE;
2080         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2081                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2082                 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",
2083                            t, status, ts->resp, ts->stat);
2084                 pm8001_ccb_task_free(pm8001_ha, ccb);
2085         } else {
2086                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2087                 pm8001_ccb_task_free(pm8001_ha, ccb);
2088                 mb();/* in order to force CPU ordering */
2089                 t->task_done(t);
2090         }
2091 }
2092
2093 /*See the comments for mpi_ssp_completion */
2094 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
2095 {
2096         struct sas_task *t;
2097         unsigned long flags;
2098         struct task_status_struct *ts;
2099         struct pm8001_ccb_info *ccb;
2100         struct pm8001_device *pm8001_dev;
2101         struct ssp_event_resp *psspPayload =
2102                 (struct ssp_event_resp *)(piomb + 4);
2103         u32 event = le32_to_cpu(psspPayload->event);
2104         u32 tag = le32_to_cpu(psspPayload->tag);
2105         u32 port_id = le32_to_cpu(psspPayload->port_id);
2106         u32 dev_id = le32_to_cpu(psspPayload->device_id);
2107
2108         ccb = &pm8001_ha->ccb_info[tag];
2109         t = ccb->task;
2110         pm8001_dev = ccb->device;
2111         if (event)
2112                 pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", event);
2113         if (unlikely(!t || !t->lldd_task || !t->dev))
2114                 return;
2115         ts = &t->task_status;
2116         pm8001_dbg(pm8001_ha, DEVIO, "port_id = %x,device_id = %x\n",
2117                    port_id, dev_id);
2118         switch (event) {
2119         case IO_OVERFLOW:
2120                 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2121                 ts->resp = SAS_TASK_COMPLETE;
2122                 ts->stat = SAS_DATA_OVERRUN;
2123                 ts->residual = 0;
2124                 if (pm8001_dev)
2125                         atomic_dec(&pm8001_dev->running_req);
2126                 break;
2127         case IO_XFER_ERROR_BREAK:
2128                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2129                 pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
2130                 return;
2131         case IO_XFER_ERROR_PHY_NOT_READY:
2132                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2133                 ts->resp = SAS_TASK_COMPLETE;
2134                 ts->stat = SAS_OPEN_REJECT;
2135                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2136                 break;
2137         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2138                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2139                 ts->resp = SAS_TASK_COMPLETE;
2140                 ts->stat = SAS_OPEN_REJECT;
2141                 ts->open_rej_reason = SAS_OREJ_EPROTO;
2142                 break;
2143         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2144                 pm8001_dbg(pm8001_ha, IO,
2145                            "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2146                 ts->resp = SAS_TASK_COMPLETE;
2147                 ts->stat = SAS_OPEN_REJECT;
2148                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2149                 break;
2150         case IO_OPEN_CNX_ERROR_BREAK:
2151                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2152                 ts->resp = SAS_TASK_COMPLETE;
2153                 ts->stat = SAS_OPEN_REJECT;
2154                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2155                 break;
2156         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2157                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2158                 ts->resp = SAS_TASK_COMPLETE;
2159                 ts->stat = SAS_OPEN_REJECT;
2160                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2161                 if (!t->uldd_task)
2162                         pm8001_handle_event(pm8001_ha,
2163                                 pm8001_dev,
2164                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2165                 break;
2166         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2167                 pm8001_dbg(pm8001_ha, IO,
2168                            "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2169                 ts->resp = SAS_TASK_COMPLETE;
2170                 ts->stat = SAS_OPEN_REJECT;
2171                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2172                 break;
2173         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2174                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2175                 ts->resp = SAS_TASK_COMPLETE;
2176                 ts->stat = SAS_OPEN_REJECT;
2177                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2178                 break;
2179         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2180                 pm8001_dbg(pm8001_ha, IO,
2181                            "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2182                 ts->resp = SAS_TASK_COMPLETE;
2183                 ts->stat = SAS_OPEN_REJECT;
2184                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2185                 break;
2186         case IO_XFER_ERROR_NAK_RECEIVED:
2187                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2188                 ts->resp = SAS_TASK_COMPLETE;
2189                 ts->stat = SAS_OPEN_REJECT;
2190                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2191                 break;
2192         case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2193                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2194                 ts->resp = SAS_TASK_COMPLETE;
2195                 ts->stat = SAS_NAK_R_ERR;
2196                 break;
2197         case IO_XFER_OPEN_RETRY_TIMEOUT:
2198                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2199                 pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
2200                 return;
2201         case IO_XFER_ERROR_UNEXPECTED_PHASE:
2202                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2203                 ts->resp = SAS_TASK_COMPLETE;
2204                 ts->stat = SAS_DATA_OVERRUN;
2205                 break;
2206         case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2207                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2208                 ts->resp = SAS_TASK_COMPLETE;
2209                 ts->stat = SAS_DATA_OVERRUN;
2210                 break;
2211         case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2212                 pm8001_dbg(pm8001_ha, IO,
2213                            "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2214                 ts->resp = SAS_TASK_COMPLETE;
2215                 ts->stat = SAS_DATA_OVERRUN;
2216                 break;
2217         case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
2218                 pm8001_dbg(pm8001_ha, IO,
2219                            "IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n");
2220                 ts->resp = SAS_TASK_COMPLETE;
2221                 ts->stat = SAS_DATA_OVERRUN;
2222                 break;
2223         case IO_XFER_ERROR_OFFSET_MISMATCH:
2224                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2225                 ts->resp = SAS_TASK_COMPLETE;
2226                 ts->stat = SAS_DATA_OVERRUN;
2227                 break;
2228         case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2229                 pm8001_dbg(pm8001_ha, IO,
2230                            "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2231                 ts->resp = SAS_TASK_COMPLETE;
2232                 ts->stat = SAS_DATA_OVERRUN;
2233                 break;
2234         case IO_XFER_CMD_FRAME_ISSUED:
2235                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2236                 return;
2237         default:
2238                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
2239                 /* not allowed case. Therefore, return failed status */
2240                 ts->resp = SAS_TASK_COMPLETE;
2241                 ts->stat = SAS_DATA_OVERRUN;
2242                 break;
2243         }
2244         spin_lock_irqsave(&t->task_state_lock, flags);
2245         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2246         t->task_state_flags |= SAS_TASK_STATE_DONE;
2247         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2248                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2249                 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",
2250                            t, event, ts->resp, ts->stat);
2251                 pm8001_ccb_task_free(pm8001_ha, ccb);
2252         } else {
2253                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2254                 pm8001_ccb_task_free(pm8001_ha, ccb);
2255                 mb();/* in order to force CPU ordering */
2256                 t->task_done(t);
2257         }
2258 }
2259
2260 /*See the comments for mpi_ssp_completion */
2261 static void
2262 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2263 {
2264         struct sas_task *t;
2265         struct pm8001_ccb_info *ccb;
2266         u32 param;
2267         u32 status;
2268         u32 tag;
2269         int i, j;
2270         u8 sata_addr_low[4];
2271         u32 temp_sata_addr_low;
2272         u8 sata_addr_hi[4];
2273         u32 temp_sata_addr_hi;
2274         struct sata_completion_resp *psataPayload;
2275         struct task_status_struct *ts;
2276         struct ata_task_resp *resp ;
2277         u32 *sata_resp;
2278         struct pm8001_device *pm8001_dev;
2279         unsigned long flags;
2280
2281         psataPayload = (struct sata_completion_resp *)(piomb + 4);
2282         status = le32_to_cpu(psataPayload->status);
2283         param = le32_to_cpu(psataPayload->param);
2284         tag = le32_to_cpu(psataPayload->tag);
2285
2286         ccb = &pm8001_ha->ccb_info[tag];
2287         t = ccb->task;
2288         pm8001_dev = ccb->device;
2289
2290         if (t) {
2291                 if (t->dev && (t->dev->lldd_dev))
2292                         pm8001_dev = t->dev->lldd_dev;
2293         } else {
2294                 pm8001_dbg(pm8001_ha, FAIL, "task null\n");
2295                 return;
2296         }
2297
2298         if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
2299                 && unlikely(!t || !t->lldd_task || !t->dev)) {
2300                 pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2301                 return;
2302         }
2303
2304         ts = &t->task_status;
2305
2306         if (status)
2307                 pm8001_dbg(pm8001_ha, IOERR,
2308                            "status:0x%x, tag:0x%x, task::0x%p\n",
2309                            status, tag, t);
2310
2311         /* Print sas address of IO failed device */
2312         if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2313                 (status != IO_UNDERFLOW)) {
2314                 if (!((t->dev->parent) &&
2315                         (dev_is_expander(t->dev->parent->dev_type)))) {
2316                         for (i = 0, j = 4; j <= 7 && i <= 3; i++, j++)
2317                                 sata_addr_low[i] = pm8001_ha->sas_addr[j];
2318                         for (i = 0, j = 0; j <= 3 && i <= 3; i++, j++)
2319                                 sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2320                         memcpy(&temp_sata_addr_low, sata_addr_low,
2321                                 sizeof(sata_addr_low));
2322                         memcpy(&temp_sata_addr_hi, sata_addr_hi,
2323                                 sizeof(sata_addr_hi));
2324                         temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2325                                                 |((temp_sata_addr_hi << 8) &
2326                                                 0xff0000) |
2327                                                 ((temp_sata_addr_hi >> 8)
2328                                                 & 0xff00) |
2329                                                 ((temp_sata_addr_hi << 24) &
2330                                                 0xff000000));
2331                         temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2332                                                 & 0xff) |
2333                                                 ((temp_sata_addr_low << 8)
2334                                                 & 0xff0000) |
2335                                                 ((temp_sata_addr_low >> 8)
2336                                                 & 0xff00) |
2337                                                 ((temp_sata_addr_low << 24)
2338                                                 & 0xff000000)) +
2339                                                 pm8001_dev->attached_phy +
2340                                                 0x10);
2341                         pm8001_dbg(pm8001_ha, FAIL,
2342                                    "SAS Address of IO Failure Drive:%08x%08x\n",
2343                                    temp_sata_addr_hi,
2344                                    temp_sata_addr_low);
2345                 } else {
2346                         pm8001_dbg(pm8001_ha, FAIL,
2347                                    "SAS Address of IO Failure Drive:%016llx\n",
2348                                    SAS_ADDR(t->dev->sas_addr));
2349                 }
2350         }
2351         switch (status) {
2352         case IO_SUCCESS:
2353                 pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2354                 if (param == 0) {
2355                         ts->resp = SAS_TASK_COMPLETE;
2356                         ts->stat = SAS_SAM_STAT_GOOD;
2357                         /* check if response is for SEND READ LOG */
2358                         if (pm8001_dev &&
2359                             (pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
2360                                 pm8001_send_abort_all(pm8001_ha, pm8001_dev);
2361                                 /* Free the tag */
2362                                 pm8001_tag_free(pm8001_ha, tag);
2363                                 sas_free_task(t);
2364                                 return;
2365                         }
2366                 } else {
2367                         u8 len;
2368                         ts->resp = SAS_TASK_COMPLETE;
2369                         ts->stat = SAS_PROTO_RESPONSE;
2370                         ts->residual = param;
2371                         pm8001_dbg(pm8001_ha, IO,
2372                                    "SAS_PROTO_RESPONSE len = %d\n",
2373                                    param);
2374                         sata_resp = &psataPayload->sata_resp[0];
2375                         resp = (struct ata_task_resp *)ts->buf;
2376                         if (t->ata_task.dma_xfer == 0 &&
2377                             t->data_dir == DMA_FROM_DEVICE) {
2378                                 len = sizeof(struct pio_setup_fis);
2379                                 pm8001_dbg(pm8001_ha, IO,
2380                                            "PIO read len = %d\n", len);
2381                         } else if (t->ata_task.use_ncq &&
2382                                    t->data_dir != DMA_NONE) {
2383                                 len = sizeof(struct set_dev_bits_fis);
2384                                 pm8001_dbg(pm8001_ha, IO, "FPDMA len = %d\n",
2385                                            len);
2386                         } else {
2387                                 len = sizeof(struct dev_to_host_fis);
2388                                 pm8001_dbg(pm8001_ha, IO, "other len = %d\n",
2389                                            len);
2390                         }
2391                         if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2392                                 resp->frame_len = len;
2393                                 memcpy(&resp->ending_fis[0], sata_resp, len);
2394                                 ts->buf_valid_size = sizeof(*resp);
2395                         } else
2396                                 pm8001_dbg(pm8001_ha, IO,
2397                                            "response too large\n");
2398                 }
2399                 if (pm8001_dev)
2400                         atomic_dec(&pm8001_dev->running_req);
2401                 break;
2402         case IO_ABORTED:
2403                 pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
2404                 ts->resp = SAS_TASK_COMPLETE;
2405                 ts->stat = SAS_ABORTED_TASK;
2406                 if (pm8001_dev)
2407                         atomic_dec(&pm8001_dev->running_req);
2408                 break;
2409                 /* following cases are to do cases */
2410         case IO_UNDERFLOW:
2411                 /* SATA Completion with error */
2412                 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW param = %d\n", param);
2413                 ts->resp = SAS_TASK_COMPLETE;
2414                 ts->stat = SAS_DATA_UNDERRUN;
2415                 ts->residual =  param;
2416                 if (pm8001_dev)
2417                         atomic_dec(&pm8001_dev->running_req);
2418                 break;
2419         case IO_NO_DEVICE:
2420                 pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2421                 ts->resp = SAS_TASK_UNDELIVERED;
2422                 ts->stat = SAS_PHY_DOWN;
2423                 if (pm8001_dev)
2424                         atomic_dec(&pm8001_dev->running_req);
2425                 break;
2426         case IO_XFER_ERROR_BREAK:
2427                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2428                 ts->resp = SAS_TASK_COMPLETE;
2429                 ts->stat = SAS_INTERRUPTED;
2430                 if (pm8001_dev)
2431                         atomic_dec(&pm8001_dev->running_req);
2432                 break;
2433         case IO_XFER_ERROR_PHY_NOT_READY:
2434                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2435                 ts->resp = SAS_TASK_COMPLETE;
2436                 ts->stat = SAS_OPEN_REJECT;
2437                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2438                 if (pm8001_dev)
2439                         atomic_dec(&pm8001_dev->running_req);
2440                 break;
2441         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2442                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2443                 ts->resp = SAS_TASK_COMPLETE;
2444                 ts->stat = SAS_OPEN_REJECT;
2445                 ts->open_rej_reason = SAS_OREJ_EPROTO;
2446                 if (pm8001_dev)
2447                         atomic_dec(&pm8001_dev->running_req);
2448                 break;
2449         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2450                 pm8001_dbg(pm8001_ha, IO,
2451                            "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2452                 ts->resp = SAS_TASK_COMPLETE;
2453                 ts->stat = SAS_OPEN_REJECT;
2454                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2455                 if (pm8001_dev)
2456                         atomic_dec(&pm8001_dev->running_req);
2457                 break;
2458         case IO_OPEN_CNX_ERROR_BREAK:
2459                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2460                 ts->resp = SAS_TASK_COMPLETE;
2461                 ts->stat = SAS_OPEN_REJECT;
2462                 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2463                 if (pm8001_dev)
2464                         atomic_dec(&pm8001_dev->running_req);
2465                 break;
2466         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2467                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2468                 ts->resp = SAS_TASK_COMPLETE;
2469                 ts->stat = SAS_DEV_NO_RESPONSE;
2470                 if (!t->uldd_task) {
2471                         pm8001_handle_event(pm8001_ha,
2472                                 pm8001_dev,
2473                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2474                         ts->resp = SAS_TASK_UNDELIVERED;
2475                         ts->stat = SAS_QUEUE_FULL;
2476                         pm8001_ccb_task_free_done(pm8001_ha, ccb);
2477                         return;
2478                 }
2479                 break;
2480         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2481                 pm8001_dbg(pm8001_ha, IO,
2482                            "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2483                 ts->resp = SAS_TASK_UNDELIVERED;
2484                 ts->stat = SAS_OPEN_REJECT;
2485                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2486                 if (!t->uldd_task) {
2487                         pm8001_handle_event(pm8001_ha,
2488                                 pm8001_dev,
2489                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2490                         ts->resp = SAS_TASK_UNDELIVERED;
2491                         ts->stat = SAS_QUEUE_FULL;
2492                         pm8001_ccb_task_free_done(pm8001_ha, ccb);
2493                         return;
2494                 }
2495                 break;
2496         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2497                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2498                 ts->resp = SAS_TASK_COMPLETE;
2499                 ts->stat = SAS_OPEN_REJECT;
2500                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2501                 if (pm8001_dev)
2502                         atomic_dec(&pm8001_dev->running_req);
2503                 break;
2504         case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2505                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n");
2506                 ts->resp = SAS_TASK_COMPLETE;
2507                 ts->stat = SAS_DEV_NO_RESPONSE;
2508                 if (!t->uldd_task) {
2509                         pm8001_handle_event(pm8001_ha,
2510                                 pm8001_dev,
2511                                 IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2512                         ts->resp = SAS_TASK_UNDELIVERED;
2513                         ts->stat = SAS_QUEUE_FULL;
2514                         pm8001_ccb_task_free_done(pm8001_ha, ccb);
2515                         return;
2516                 }
2517                 break;
2518         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2519                 pm8001_dbg(pm8001_ha, IO,
2520                            "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2521                 ts->resp = SAS_TASK_COMPLETE;
2522                 ts->stat = SAS_OPEN_REJECT;
2523                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2524                 if (pm8001_dev)
2525                         atomic_dec(&pm8001_dev->running_req);
2526                 break;
2527         case IO_XFER_ERROR_NAK_RECEIVED:
2528                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2529                 ts->resp = SAS_TASK_COMPLETE;
2530                 ts->stat = SAS_NAK_R_ERR;
2531                 if (pm8001_dev)
2532                         atomic_dec(&pm8001_dev->running_req);
2533                 break;
2534         case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2535                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2536                 ts->resp = SAS_TASK_COMPLETE;
2537                 ts->stat = SAS_NAK_R_ERR;
2538                 if (pm8001_dev)
2539                         atomic_dec(&pm8001_dev->running_req);
2540                 break;
2541         case IO_XFER_ERROR_DMA:
2542                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2543                 ts->resp = SAS_TASK_COMPLETE;
2544                 ts->stat = SAS_ABORTED_TASK;
2545                 if (pm8001_dev)
2546                         atomic_dec(&pm8001_dev->running_req);
2547                 break;
2548         case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2549                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_SATA_LINK_TIMEOUT\n");
2550                 ts->resp = SAS_TASK_UNDELIVERED;
2551                 ts->stat = SAS_DEV_NO_RESPONSE;
2552                 if (pm8001_dev)
2553                         atomic_dec(&pm8001_dev->running_req);
2554                 break;
2555         case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2556                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2557                 ts->resp = SAS_TASK_COMPLETE;
2558                 ts->stat = SAS_DATA_UNDERRUN;
2559                 if (pm8001_dev)
2560                         atomic_dec(&pm8001_dev->running_req);
2561                 break;
2562         case IO_XFER_OPEN_RETRY_TIMEOUT:
2563                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2564                 ts->resp = SAS_TASK_COMPLETE;
2565                 ts->stat = SAS_OPEN_TO;
2566                 if (pm8001_dev)
2567                         atomic_dec(&pm8001_dev->running_req);
2568                 break;
2569         case IO_PORT_IN_RESET:
2570                 pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2571                 ts->resp = SAS_TASK_COMPLETE;
2572                 ts->stat = SAS_DEV_NO_RESPONSE;
2573                 if (pm8001_dev)
2574                         atomic_dec(&pm8001_dev->running_req);
2575                 break;
2576         case IO_DS_NON_OPERATIONAL:
2577                 pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2578                 ts->resp = SAS_TASK_COMPLETE;
2579                 ts->stat = SAS_DEV_NO_RESPONSE;
2580                 if (!t->uldd_task) {
2581                         pm8001_handle_event(pm8001_ha, pm8001_dev,
2582                                     IO_DS_NON_OPERATIONAL);
2583                         ts->resp = SAS_TASK_UNDELIVERED;
2584                         ts->stat = SAS_QUEUE_FULL;
2585                         pm8001_ccb_task_free_done(pm8001_ha, ccb);
2586                         return;
2587                 }
2588                 break;
2589         case IO_DS_IN_RECOVERY:
2590                 pm8001_dbg(pm8001_ha, IO, "  IO_DS_IN_RECOVERY\n");
2591                 ts->resp = SAS_TASK_COMPLETE;
2592                 ts->stat = SAS_DEV_NO_RESPONSE;
2593                 if (pm8001_dev)
2594                         atomic_dec(&pm8001_dev->running_req);
2595                 break;
2596         case IO_DS_IN_ERROR:
2597                 pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_ERROR\n");
2598                 ts->resp = SAS_TASK_COMPLETE;
2599                 ts->stat = SAS_DEV_NO_RESPONSE;
2600                 if (!t->uldd_task) {
2601                         pm8001_handle_event(pm8001_ha, pm8001_dev,
2602                                     IO_DS_IN_ERROR);
2603                         ts->resp = SAS_TASK_UNDELIVERED;
2604                         ts->stat = SAS_QUEUE_FULL;
2605                         pm8001_ccb_task_free_done(pm8001_ha, ccb);
2606                         return;
2607                 }
2608                 break;
2609         case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2610                 pm8001_dbg(pm8001_ha, IO,
2611                            "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2612                 ts->resp = SAS_TASK_COMPLETE;
2613                 ts->stat = SAS_OPEN_REJECT;
2614                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2615                 if (pm8001_dev)
2616                         atomic_dec(&pm8001_dev->running_req);
2617                 break;
2618         default:
2619                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2620                 /* not allowed case. Therefore, return failed status */
2621                 ts->resp = SAS_TASK_COMPLETE;
2622                 ts->stat = SAS_DEV_NO_RESPONSE;
2623                 if (pm8001_dev)
2624                         atomic_dec(&pm8001_dev->running_req);
2625                 break;
2626         }
2627         spin_lock_irqsave(&t->task_state_lock, flags);
2628         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2629         t->task_state_flags |= SAS_TASK_STATE_DONE;
2630         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2631                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2632                 pm8001_dbg(pm8001_ha, FAIL,
2633                            "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2634                            t, status, ts->resp, ts->stat);
2635                 pm8001_ccb_task_free(pm8001_ha, ccb);
2636         } else {
2637                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2638                 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2639         }
2640 }
2641
2642 /*See the comments for mpi_ssp_completion */
2643 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
2644 {
2645         struct sas_task *t;
2646         struct task_status_struct *ts;
2647         struct pm8001_ccb_info *ccb;
2648         struct pm8001_device *pm8001_dev;
2649         struct sata_event_resp *psataPayload =
2650                 (struct sata_event_resp *)(piomb + 4);
2651         u32 event = le32_to_cpu(psataPayload->event);
2652         u32 tag = le32_to_cpu(psataPayload->tag);
2653         u32 port_id = le32_to_cpu(psataPayload->port_id);
2654         u32 dev_id = le32_to_cpu(psataPayload->device_id);
2655
2656         if (event)
2657                 pm8001_dbg(pm8001_ha, FAIL, "SATA EVENT 0x%x\n", event);
2658
2659         /* Check if this is NCQ error */
2660         if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2661                 /* find device using device id */
2662                 pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2663                 /* send read log extension */
2664                 if (pm8001_dev)
2665                         pm8001_send_read_log(pm8001_ha, pm8001_dev);
2666                 return;
2667         }
2668
2669         ccb = &pm8001_ha->ccb_info[tag];
2670         t = ccb->task;
2671         pm8001_dev = ccb->device;
2672         if (event)
2673                 pm8001_dbg(pm8001_ha, FAIL, "sata IO status 0x%x\n", event);
2674         if (unlikely(!t || !t->lldd_task || !t->dev))
2675                 return;
2676         ts = &t->task_status;
2677         pm8001_dbg(pm8001_ha, DEVIO,
2678                    "port_id:0x%x, device_id:0x%x, tag:0x%x, event:0x%x\n",
2679                    port_id, dev_id, tag, event);
2680         switch (event) {
2681         case IO_OVERFLOW:
2682                 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2683                 ts->resp = SAS_TASK_COMPLETE;
2684                 ts->stat = SAS_DATA_OVERRUN;
2685                 ts->residual = 0;
2686                 break;
2687         case IO_XFER_ERROR_BREAK:
2688                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2689                 ts->resp = SAS_TASK_COMPLETE;
2690                 ts->stat = SAS_INTERRUPTED;
2691                 break;
2692         case IO_XFER_ERROR_PHY_NOT_READY:
2693                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2694                 ts->resp = SAS_TASK_COMPLETE;
2695                 ts->stat = SAS_OPEN_REJECT;
2696                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2697                 break;
2698         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2699                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2700                 ts->resp = SAS_TASK_COMPLETE;
2701                 ts->stat = SAS_OPEN_REJECT;
2702                 ts->open_rej_reason = SAS_OREJ_EPROTO;
2703                 break;
2704         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2705                 pm8001_dbg(pm8001_ha, IO,
2706                            "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2707                 ts->resp = SAS_TASK_COMPLETE;
2708                 ts->stat = SAS_OPEN_REJECT;
2709                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2710                 break;
2711         case IO_OPEN_CNX_ERROR_BREAK:
2712                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2713                 ts->resp = SAS_TASK_COMPLETE;
2714                 ts->stat = SAS_OPEN_REJECT;
2715                 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2716                 break;
2717         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2718                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2719                 ts->resp = SAS_TASK_UNDELIVERED;
2720                 ts->stat = SAS_DEV_NO_RESPONSE;
2721                 if (!t->uldd_task) {
2722                         pm8001_handle_event(pm8001_ha,
2723                                 pm8001_dev,
2724                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2725                         ts->resp = SAS_TASK_COMPLETE;
2726                         ts->stat = SAS_QUEUE_FULL;
2727                         return;
2728                 }
2729                 break;
2730         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2731                 pm8001_dbg(pm8001_ha, IO,
2732                            "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2733                 ts->resp = SAS_TASK_UNDELIVERED;
2734                 ts->stat = SAS_OPEN_REJECT;
2735                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2736                 break;
2737         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2738                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2739                 ts->resp = SAS_TASK_COMPLETE;
2740                 ts->stat = SAS_OPEN_REJECT;
2741                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2742                 break;
2743         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2744                 pm8001_dbg(pm8001_ha, IO,
2745                            "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2746                 ts->resp = SAS_TASK_COMPLETE;
2747                 ts->stat = SAS_OPEN_REJECT;
2748                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2749                 break;
2750         case IO_XFER_ERROR_NAK_RECEIVED:
2751                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2752                 ts->resp = SAS_TASK_COMPLETE;
2753                 ts->stat = SAS_NAK_R_ERR;
2754                 break;
2755         case IO_XFER_ERROR_PEER_ABORTED:
2756                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PEER_ABORTED\n");
2757                 ts->resp = SAS_TASK_COMPLETE;
2758                 ts->stat = SAS_NAK_R_ERR;
2759                 break;
2760         case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2761                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2762                 ts->resp = SAS_TASK_COMPLETE;
2763                 ts->stat = SAS_DATA_UNDERRUN;
2764                 break;
2765         case IO_XFER_OPEN_RETRY_TIMEOUT:
2766                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2767                 ts->resp = SAS_TASK_COMPLETE;
2768                 ts->stat = SAS_OPEN_TO;
2769                 break;
2770         case IO_XFER_ERROR_UNEXPECTED_PHASE:
2771                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2772                 ts->resp = SAS_TASK_COMPLETE;
2773                 ts->stat = SAS_OPEN_TO;
2774                 break;
2775         case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2776                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2777                 ts->resp = SAS_TASK_COMPLETE;
2778                 ts->stat = SAS_OPEN_TO;
2779                 break;
2780         case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2781                 pm8001_dbg(pm8001_ha, IO,
2782                            "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2783                 ts->resp = SAS_TASK_COMPLETE;
2784                 ts->stat = SAS_OPEN_TO;
2785                 break;
2786         case IO_XFER_ERROR_OFFSET_MISMATCH:
2787                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2788                 ts->resp = SAS_TASK_COMPLETE;
2789                 ts->stat = SAS_OPEN_TO;
2790                 break;
2791         case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2792                 pm8001_dbg(pm8001_ha, IO,
2793                            "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2794                 ts->resp = SAS_TASK_COMPLETE;
2795                 ts->stat = SAS_OPEN_TO;
2796                 break;
2797         case IO_XFER_CMD_FRAME_ISSUED:
2798                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2799                 break;
2800         case IO_XFER_PIO_SETUP_ERROR:
2801                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_PIO_SETUP_ERROR\n");
2802                 ts->resp = SAS_TASK_COMPLETE;
2803                 ts->stat = SAS_OPEN_TO;
2804                 break;
2805         default:
2806                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
2807                 /* not allowed case. Therefore, return failed status */
2808                 ts->resp = SAS_TASK_COMPLETE;
2809                 ts->stat = SAS_OPEN_TO;
2810                 break;
2811         }
2812 }
2813
2814 /*See the comments for mpi_ssp_completion */
2815 static void
2816 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2817 {
2818         struct sas_task *t;
2819         struct pm8001_ccb_info *ccb;
2820         unsigned long flags;
2821         u32 status;
2822         u32 tag;
2823         struct smp_completion_resp *psmpPayload;
2824         struct task_status_struct *ts;
2825         struct pm8001_device *pm8001_dev;
2826
2827         psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2828         status = le32_to_cpu(psmpPayload->status);
2829         tag = le32_to_cpu(psmpPayload->tag);
2830
2831         ccb = &pm8001_ha->ccb_info[tag];
2832         t = ccb->task;
2833         ts = &t->task_status;
2834         pm8001_dev = ccb->device;
2835         if (status) {
2836                 pm8001_dbg(pm8001_ha, FAIL, "smp IO status 0x%x\n", status);
2837                 pm8001_dbg(pm8001_ha, IOERR,
2838                            "status:0x%x, tag:0x%x, task:0x%p\n",
2839                            status, tag, t);
2840         }
2841         if (unlikely(!t || !t->lldd_task || !t->dev))
2842                 return;
2843
2844         switch (status) {
2845         case IO_SUCCESS:
2846                 pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2847                 ts->resp = SAS_TASK_COMPLETE;
2848                 ts->stat = SAS_SAM_STAT_GOOD;
2849                 if (pm8001_dev)
2850                         atomic_dec(&pm8001_dev->running_req);
2851                 break;
2852         case IO_ABORTED:
2853                 pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB\n");
2854                 ts->resp = SAS_TASK_COMPLETE;
2855                 ts->stat = SAS_ABORTED_TASK;
2856                 if (pm8001_dev)
2857                         atomic_dec(&pm8001_dev->running_req);
2858                 break;
2859         case IO_OVERFLOW:
2860                 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2861                 ts->resp = SAS_TASK_COMPLETE;
2862                 ts->stat = SAS_DATA_OVERRUN;
2863                 ts->residual = 0;
2864                 if (pm8001_dev)
2865                         atomic_dec(&pm8001_dev->running_req);
2866                 break;
2867         case IO_NO_DEVICE:
2868                 pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2869                 ts->resp = SAS_TASK_COMPLETE;
2870                 ts->stat = SAS_PHY_DOWN;
2871                 break;
2872         case IO_ERROR_HW_TIMEOUT:
2873                 pm8001_dbg(pm8001_ha, IO, "IO_ERROR_HW_TIMEOUT\n");
2874                 ts->resp = SAS_TASK_COMPLETE;
2875                 ts->stat = SAS_SAM_STAT_BUSY;
2876                 break;
2877         case IO_XFER_ERROR_BREAK:
2878                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2879                 ts->resp = SAS_TASK_COMPLETE;
2880                 ts->stat = SAS_SAM_STAT_BUSY;
2881                 break;
2882         case IO_XFER_ERROR_PHY_NOT_READY:
2883                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2884                 ts->resp = SAS_TASK_COMPLETE;
2885                 ts->stat = SAS_SAM_STAT_BUSY;
2886                 break;
2887         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2888                 pm8001_dbg(pm8001_ha, IO,
2889                            "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2890                 ts->resp = SAS_TASK_COMPLETE;
2891                 ts->stat = SAS_OPEN_REJECT;
2892                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2893                 break;
2894         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2895                 pm8001_dbg(pm8001_ha, IO,
2896                            "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2897                 ts->resp = SAS_TASK_COMPLETE;
2898                 ts->stat = SAS_OPEN_REJECT;
2899                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2900                 break;
2901         case IO_OPEN_CNX_ERROR_BREAK:
2902                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2903                 ts->resp = SAS_TASK_COMPLETE;
2904                 ts->stat = SAS_OPEN_REJECT;
2905                 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2906                 break;
2907         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2908                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2909                 ts->resp = SAS_TASK_COMPLETE;
2910                 ts->stat = SAS_OPEN_REJECT;
2911                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2912                 pm8001_handle_event(pm8001_ha,
2913                                 pm8001_dev,
2914                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2915                 break;
2916         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2917                 pm8001_dbg(pm8001_ha, IO,
2918                            "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2919                 ts->resp = SAS_TASK_COMPLETE;
2920                 ts->stat = SAS_OPEN_REJECT;
2921                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2922                 break;
2923         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2924                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2925                 ts->resp = SAS_TASK_COMPLETE;
2926                 ts->stat = SAS_OPEN_REJECT;
2927                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2928                 break;
2929         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2930                 pm8001_dbg(pm8001_ha, IO,
2931                            "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2932                 ts->resp = SAS_TASK_COMPLETE;
2933                 ts->stat = SAS_OPEN_REJECT;
2934                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2935                 break;
2936         case IO_XFER_ERROR_RX_FRAME:
2937                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_RX_FRAME\n");
2938                 ts->resp = SAS_TASK_COMPLETE;
2939                 ts->stat = SAS_DEV_NO_RESPONSE;
2940                 break;
2941         case IO_XFER_OPEN_RETRY_TIMEOUT:
2942                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2943                 ts->resp = SAS_TASK_COMPLETE;
2944                 ts->stat = SAS_OPEN_REJECT;
2945                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2946                 break;
2947         case IO_ERROR_INTERNAL_SMP_RESOURCE:
2948                 pm8001_dbg(pm8001_ha, IO, "IO_ERROR_INTERNAL_SMP_RESOURCE\n");
2949                 ts->resp = SAS_TASK_COMPLETE;
2950                 ts->stat = SAS_QUEUE_FULL;
2951                 break;
2952         case IO_PORT_IN_RESET:
2953                 pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2954                 ts->resp = SAS_TASK_COMPLETE;
2955                 ts->stat = SAS_OPEN_REJECT;
2956                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2957                 break;
2958         case IO_DS_NON_OPERATIONAL:
2959                 pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2960                 ts->resp = SAS_TASK_COMPLETE;
2961                 ts->stat = SAS_DEV_NO_RESPONSE;
2962                 break;
2963         case IO_DS_IN_RECOVERY:
2964                 pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2965                 ts->resp = SAS_TASK_COMPLETE;
2966                 ts->stat = SAS_OPEN_REJECT;
2967                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2968                 break;
2969         case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2970                 pm8001_dbg(pm8001_ha, IO,
2971                            "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2972                 ts->resp = SAS_TASK_COMPLETE;
2973                 ts->stat = SAS_OPEN_REJECT;
2974                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2975                 break;
2976         default:
2977                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2978                 ts->resp = SAS_TASK_COMPLETE;
2979                 ts->stat = SAS_DEV_NO_RESPONSE;
2980                 /* not allowed case. Therefore, return failed status */
2981                 break;
2982         }
2983         spin_lock_irqsave(&t->task_state_lock, flags);
2984         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2985         t->task_state_flags |= SAS_TASK_STATE_DONE;
2986         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2987                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2988                 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",
2989                            t, status, ts->resp, ts->stat);
2990                 pm8001_ccb_task_free(pm8001_ha, ccb);
2991         } else {
2992                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2993                 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2994         }
2995 }
2996
2997 void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
2998                 void *piomb)
2999 {
3000         struct set_dev_state_resp *pPayload =
3001                 (struct set_dev_state_resp *)(piomb + 4);
3002         u32 tag = le32_to_cpu(pPayload->tag);
3003         struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3004         struct pm8001_device *pm8001_dev = ccb->device;
3005         u32 status = le32_to_cpu(pPayload->status);
3006         u32 device_id = le32_to_cpu(pPayload->device_id);
3007         u8 pds = le32_to_cpu(pPayload->pds_nds) & PDS_BITS;
3008         u8 nds = le32_to_cpu(pPayload->pds_nds) & NDS_BITS;
3009
3010         pm8001_dbg(pm8001_ha, MSG,
3011                    "Set device id = 0x%x state from 0x%x to 0x%x status = 0x%x!\n",
3012                    device_id, pds, nds, status);
3013         complete(pm8001_dev->setds_completion);
3014         pm8001_ccb_free(pm8001_ha, ccb);
3015 }
3016
3017 void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3018 {
3019         struct get_nvm_data_resp *pPayload =
3020                 (struct get_nvm_data_resp *)(piomb + 4);
3021         u32 tag = le32_to_cpu(pPayload->tag);
3022         struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3023         u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
3024
3025         complete(pm8001_ha->nvmd_completion);
3026         pm8001_dbg(pm8001_ha, MSG, "Set nvm data complete!\n");
3027         if ((dlen_status & NVMD_STAT) != 0) {
3028                 pm8001_dbg(pm8001_ha, FAIL, "Set nvm data error %x\n",
3029                                 dlen_status);
3030         }
3031         pm8001_ccb_free(pm8001_ha, ccb);
3032 }
3033
3034 void
3035 pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3036 {
3037         struct fw_control_ex    *fw_control_context;
3038         struct get_nvm_data_resp *pPayload =
3039                 (struct get_nvm_data_resp *)(piomb + 4);
3040         u32 tag = le32_to_cpu(pPayload->tag);
3041         struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3042         u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
3043         u32 ir_tds_bn_dps_das_nvm =
3044                 le32_to_cpu(pPayload->ir_tda_bn_dps_das_nvm);
3045         void *virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr;
3046         fw_control_context = ccb->fw_control_context;
3047
3048         pm8001_dbg(pm8001_ha, MSG, "Get nvm data complete!\n");
3049         if ((dlen_status & NVMD_STAT) != 0) {
3050                 pm8001_dbg(pm8001_ha, FAIL, "Get nvm data error %x\n",
3051                                 dlen_status);
3052                 complete(pm8001_ha->nvmd_completion);
3053                 /* We should free tag during failure also, the tag is not being
3054                  * freed by requesting path anywhere.
3055                  */
3056                 pm8001_ccb_free(pm8001_ha, ccb);
3057                 return;
3058         }
3059         if (ir_tds_bn_dps_das_nvm & IPMode) {
3060                 /* indirect mode - IR bit set */
3061                 pm8001_dbg(pm8001_ha, MSG, "Get NVMD success, IR=1\n");
3062                 if ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == TWI_DEVICE) {
3063                         if (ir_tds_bn_dps_das_nvm == 0x80a80200) {
3064                                 memcpy(pm8001_ha->sas_addr,
3065                                       ((u8 *)virt_addr + 4),
3066                                        SAS_ADDR_SIZE);
3067                                 pm8001_dbg(pm8001_ha, MSG, "Get SAS address from VPD successfully!\n");
3068                         }
3069                 } else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == C_SEEPROM)
3070                         || ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == VPD_FLASH) ||
3071                         ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == EXPAN_ROM)) {
3072                                 ;
3073                 } else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == AAP1_RDUMP)
3074                         || ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == IOP_RDUMP)) {
3075                         ;
3076                 } else {
3077                         /* Should not be happened*/
3078                         pm8001_dbg(pm8001_ha, MSG,
3079                                    "(IR=1)Wrong Device type 0x%x\n",
3080                                    ir_tds_bn_dps_das_nvm);
3081                 }
3082         } else /* direct mode */{
3083                 pm8001_dbg(pm8001_ha, MSG,
3084                            "Get NVMD success, IR=0, dataLen=%d\n",
3085                            (dlen_status & NVMD_LEN) >> 24);
3086         }
3087         /* Though fw_control_context is freed below, usrAddr still needs
3088          * to be updated as this holds the response to the request function
3089          */
3090         memcpy(fw_control_context->usrAddr,
3091                 pm8001_ha->memoryMap.region[NVMD].virt_ptr,
3092                 fw_control_context->len);
3093         kfree(ccb->fw_control_context);
3094         /* To avoid race condition, complete should be
3095          * called after the message is copied to
3096          * fw_control_context->usrAddr
3097          */
3098         complete(pm8001_ha->nvmd_completion);
3099         pm8001_dbg(pm8001_ha, MSG, "Get nvmd data complete!\n");
3100         pm8001_ccb_free(pm8001_ha, ccb);
3101 }
3102
3103 int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
3104 {
3105         u32 tag;
3106         struct local_phy_ctl_resp *pPayload =
3107                 (struct local_phy_ctl_resp *)(piomb + 4);
3108         u32 status = le32_to_cpu(pPayload->status);
3109         u32 phy_id = le32_to_cpu(pPayload->phyop_phyid) & ID_BITS;
3110         u32 phy_op = le32_to_cpu(pPayload->phyop_phyid) & OP_BITS;
3111         tag = le32_to_cpu(pPayload->tag);
3112         if (status != 0) {
3113                 pm8001_dbg(pm8001_ha, MSG,
3114                            "%x phy execute %x phy op failed!\n",
3115                            phy_id, phy_op);
3116         } else {
3117                 pm8001_dbg(pm8001_ha, MSG,
3118                            "%x phy execute %x phy op success!\n",
3119                            phy_id, phy_op);
3120                 pm8001_ha->phy[phy_id].reset_success = true;
3121         }
3122         if (pm8001_ha->phy[phy_id].enable_completion) {
3123                 complete(pm8001_ha->phy[phy_id].enable_completion);
3124                 pm8001_ha->phy[phy_id].enable_completion = NULL;
3125         }
3126         pm8001_tag_free(pm8001_ha, tag);
3127         return 0;
3128 }
3129
3130 /**
3131  * pm8001_bytes_dmaed - one of the interface function communication with libsas
3132  * @pm8001_ha: our hba card information
3133  * @i: which phy that received the event.
3134  *
3135  * when HBA driver received the identify done event or initiate FIS received
3136  * event(for SATA), it will invoke this function to notify the sas layer that
3137  * the sas toplogy has formed, please discover the the whole sas domain,
3138  * while receive a broadcast(change) primitive just tell the sas
3139  * layer to discover the changed domain rather than the whole domain.
3140  */
3141 void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
3142 {
3143         struct pm8001_phy *phy = &pm8001_ha->phy[i];
3144         struct asd_sas_phy *sas_phy = &phy->sas_phy;
3145         if (!phy->phy_attached)
3146                 return;
3147
3148         if (sas_phy->phy) {
3149                 struct sas_phy *sphy = sas_phy->phy;
3150                 sphy->negotiated_linkrate = sas_phy->linkrate;
3151                 sphy->minimum_linkrate = phy->minimum_linkrate;
3152                 sphy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3153                 sphy->maximum_linkrate = phy->maximum_linkrate;
3154                 sphy->maximum_linkrate_hw = phy->maximum_linkrate;
3155         }
3156
3157         if (phy->phy_type & PORT_TYPE_SAS) {
3158                 struct sas_identify_frame *id;
3159                 id = (struct sas_identify_frame *)phy->frame_rcvd;
3160                 id->dev_type = phy->identify.device_type;
3161                 id->initiator_bits = SAS_PROTOCOL_ALL;
3162                 id->target_bits = phy->identify.target_port_protocols;
3163         } else if (phy->phy_type & PORT_TYPE_SATA) {
3164                 /*Nothing*/
3165         }
3166         pm8001_dbg(pm8001_ha, MSG, "phy %d byte dmaded.\n", i);
3167
3168         sas_phy->frame_rcvd_size = phy->frame_rcvd_size;
3169         sas_notify_port_event(sas_phy, PORTE_BYTES_DMAED, GFP_ATOMIC);
3170 }
3171
3172 /* Get the link rate speed  */
3173 void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate)
3174 {
3175         struct sas_phy *sas_phy = phy->sas_phy.phy;
3176
3177         switch (link_rate) {
3178         case PHY_SPEED_120:
3179                 phy->sas_phy.linkrate = SAS_LINK_RATE_12_0_GBPS;
3180                 phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_12_0_GBPS;
3181                 break;
3182         case PHY_SPEED_60:
3183                 phy->sas_phy.linkrate = SAS_LINK_RATE_6_0_GBPS;
3184                 phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
3185                 break;
3186         case PHY_SPEED_30:
3187                 phy->sas_phy.linkrate = SAS_LINK_RATE_3_0_GBPS;
3188                 phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
3189                 break;
3190         case PHY_SPEED_15:
3191                 phy->sas_phy.linkrate = SAS_LINK_RATE_1_5_GBPS;
3192                 phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
3193                 break;
3194         }
3195         sas_phy->negotiated_linkrate = phy->sas_phy.linkrate;
3196         sas_phy->maximum_linkrate_hw = SAS_LINK_RATE_6_0_GBPS;
3197         sas_phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3198         sas_phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS;
3199         sas_phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3200 }
3201
3202 /**
3203  * pm8001_get_attached_sas_addr - extract/generate attached SAS address
3204  * @phy: pointer to asd_phy
3205  * @sas_addr: pointer to buffer where the SAS address is to be written
3206  *
3207  * This function extracts the SAS address from an IDENTIFY frame
3208  * received.  If OOB is SATA, then a SAS address is generated from the
3209  * HA tables.
3210  *
3211  * LOCKING: the frame_rcvd_lock needs to be held since this parses the frame
3212  * buffer.
3213  */
3214 void pm8001_get_attached_sas_addr(struct pm8001_phy *phy,
3215         u8 *sas_addr)
3216 {
3217         if (phy->sas_phy.frame_rcvd[0] == 0x34
3218                 && phy->sas_phy.oob_mode == SATA_OOB_MODE) {
3219                 struct pm8001_hba_info *pm8001_ha = phy->sas_phy.ha->lldd_ha;
3220                 /* FIS device-to-host */
3221                 u64 addr = be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr);
3222                 addr += phy->sas_phy.id;
3223                 *(__be64 *)sas_addr = cpu_to_be64(addr);
3224         } else {
3225                 struct sas_identify_frame *idframe =
3226                         (void *) phy->sas_phy.frame_rcvd;
3227                 memcpy(sas_addr, idframe->sas_addr, SAS_ADDR_SIZE);
3228         }
3229 }
3230
3231 /**
3232  * pm8001_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
3233  * @pm8001_ha: our hba card information
3234  * @Qnum: the outbound queue message number.
3235  * @SEA: source of event to ack
3236  * @port_id: port id.
3237  * @phyId: phy id.
3238  * @param0: parameter 0.
3239  * @param1: parameter 1.
3240  */
3241 static void pm8001_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
3242         u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
3243 {
3244         struct hw_event_ack_req  payload;
3245         u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
3246
3247         memset((u8 *)&payload, 0, sizeof(payload));
3248         payload.tag = cpu_to_le32(1);
3249         payload.sea_phyid_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
3250                 ((phyId & 0x0F) << 4) | (port_id & 0x0F));
3251         payload.param0 = cpu_to_le32(param0);
3252         payload.param1 = cpu_to_le32(param1);
3253
3254         pm8001_mpi_build_cmd(pm8001_ha, Qnum, opc, &payload, sizeof(payload), 0);
3255 }
3256
3257 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
3258         u32 phyId, u32 phy_op);
3259
3260 /**
3261  * hw_event_sas_phy_up -FW tells me a SAS phy up event.
3262  * @pm8001_ha: our hba card information
3263  * @piomb: IO message buffer
3264  */
3265 static void
3266 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3267 {
3268         struct hw_event_resp *pPayload =
3269                 (struct hw_event_resp *)(piomb + 4);
3270         u32 lr_evt_status_phyid_portid =
3271                 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3272         u8 link_rate =
3273                 (u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3274         u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3275         u8 phy_id =
3276                 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3277         u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3278         u8 portstate = (u8)(npip_portstate & 0x0000000F);
3279         struct pm8001_port *port = &pm8001_ha->port[port_id];
3280         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3281         unsigned long flags;
3282         u8 deviceType = pPayload->sas_identify.dev_type;
3283         phy->port = port;
3284         port->port_id = port_id;
3285         port->port_state =  portstate;
3286         phy->phy_state = PHY_STATE_LINK_UP_SPC;
3287         pm8001_dbg(pm8001_ha, MSG,
3288                    "HW_EVENT_SAS_PHY_UP port id = %d, phy id = %d\n",
3289                    port_id, phy_id);
3290
3291         switch (deviceType) {
3292         case SAS_PHY_UNUSED:
3293                 pm8001_dbg(pm8001_ha, MSG, "device type no device.\n");
3294                 break;
3295         case SAS_END_DEVICE:
3296                 pm8001_dbg(pm8001_ha, MSG, "end device.\n");
3297                 pm8001_chip_phy_ctl_req(pm8001_ha, phy_id,
3298                         PHY_NOTIFY_ENABLE_SPINUP);
3299                 port->port_attached = 1;
3300                 pm8001_get_lrate_mode(phy, link_rate);
3301                 break;
3302         case SAS_EDGE_EXPANDER_DEVICE:
3303                 pm8001_dbg(pm8001_ha, MSG, "expander device.\n");
3304                 port->port_attached = 1;
3305                 pm8001_get_lrate_mode(phy, link_rate);
3306                 break;
3307         case SAS_FANOUT_EXPANDER_DEVICE:
3308                 pm8001_dbg(pm8001_ha, MSG, "fanout expander device.\n");
3309                 port->port_attached = 1;
3310                 pm8001_get_lrate_mode(phy, link_rate);
3311                 break;
3312         default:
3313                 pm8001_dbg(pm8001_ha, DEVIO, "unknown device type(%x)\n",
3314                            deviceType);
3315                 break;
3316         }
3317         phy->phy_type |= PORT_TYPE_SAS;
3318         phy->identify.device_type = deviceType;
3319         phy->phy_attached = 1;
3320         if (phy->identify.device_type == SAS_END_DEVICE)
3321                 phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
3322         else if (phy->identify.device_type != SAS_PHY_UNUSED)
3323                 phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
3324         phy->sas_phy.oob_mode = SAS_OOB_MODE;
3325         sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3326         spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3327         memcpy(phy->frame_rcvd, &pPayload->sas_identify,
3328                 sizeof(struct sas_identify_frame)-4);
3329         phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
3330         pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3331         spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3332         if (pm8001_ha->flags == PM8001F_RUN_TIME)
3333                 mdelay(200);/*delay a moment to wait disk to spinup*/
3334         pm8001_bytes_dmaed(pm8001_ha, phy_id);
3335 }
3336
3337 /**
3338  * hw_event_sata_phy_up -FW tells me a SATA phy up event.
3339  * @pm8001_ha: our hba card information
3340  * @piomb: IO message buffer
3341  */
3342 static void
3343 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3344 {
3345         struct hw_event_resp *pPayload =
3346                 (struct hw_event_resp *)(piomb + 4);
3347         u32 lr_evt_status_phyid_portid =
3348                 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3349         u8 link_rate =
3350                 (u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3351         u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3352         u8 phy_id =
3353                 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3354         u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3355         u8 portstate = (u8)(npip_portstate & 0x0000000F);
3356         struct pm8001_port *port = &pm8001_ha->port[port_id];
3357         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3358         unsigned long flags;
3359         pm8001_dbg(pm8001_ha, DEVIO, "HW_EVENT_SATA_PHY_UP port id = %d, phy id = %d\n",
3360                    port_id, phy_id);
3361         phy->port = port;
3362         port->port_id = port_id;
3363         port->port_state =  portstate;
3364         phy->phy_state = PHY_STATE_LINK_UP_SPC;
3365         port->port_attached = 1;
3366         pm8001_get_lrate_mode(phy, link_rate);
3367         phy->phy_type |= PORT_TYPE_SATA;
3368         phy->phy_attached = 1;
3369         phy->sas_phy.oob_mode = SATA_OOB_MODE;
3370         sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3371         spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3372         memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3373                 sizeof(struct dev_to_host_fis));
3374         phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3375         phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3376         phy->identify.device_type = SAS_SATA_DEV;
3377         pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3378         spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3379         pm8001_bytes_dmaed(pm8001_ha, phy_id);
3380 }
3381
3382 /**
3383  * hw_event_phy_down -we should notify the libsas the phy is down.
3384  * @pm8001_ha: our hba card information
3385  * @piomb: IO message buffer
3386  */
3387 static void
3388 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3389 {
3390         struct hw_event_resp *pPayload =
3391                 (struct hw_event_resp *)(piomb + 4);
3392         u32 lr_evt_status_phyid_portid =
3393                 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3394         u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3395         u8 phy_id =
3396                 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3397         u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3398         u8 portstate = (u8)(npip_portstate & 0x0000000F);
3399         struct pm8001_port *port = &pm8001_ha->port[port_id];
3400         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3401         port->port_state =  portstate;
3402         phy->phy_type = 0;
3403         phy->identify.device_type = 0;
3404         phy->phy_attached = 0;
3405         memset(&phy->dev_sas_addr, 0, SAS_ADDR_SIZE);
3406         switch (portstate) {
3407         case PORT_VALID:
3408                 break;
3409         case PORT_INVALID:
3410                 pm8001_dbg(pm8001_ha, MSG, " PortInvalid portID %d\n",
3411                            port_id);
3412                 pm8001_dbg(pm8001_ha, MSG,
3413                            " Last phy Down and port invalid\n");
3414                 port->port_attached = 0;
3415                 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3416                         port_id, phy_id, 0, 0);
3417                 break;
3418         case PORT_IN_RESET:
3419                 pm8001_dbg(pm8001_ha, MSG, " Port In Reset portID %d\n",
3420                            port_id);
3421                 break;
3422         case PORT_NOT_ESTABLISHED:
3423                 pm8001_dbg(pm8001_ha, MSG,
3424                            " phy Down and PORT_NOT_ESTABLISHED\n");
3425                 port->port_attached = 0;
3426                 break;
3427         case PORT_LOSTCOMM:
3428                 pm8001_dbg(pm8001_ha, MSG, " phy Down and PORT_LOSTCOMM\n");
3429                 pm8001_dbg(pm8001_ha, MSG,
3430                            " Last phy Down and port invalid\n");
3431                 port->port_attached = 0;
3432                 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3433                         port_id, phy_id, 0, 0);
3434                 break;
3435         default:
3436                 port->port_attached = 0;
3437                 pm8001_dbg(pm8001_ha, DEVIO, " phy Down and(default) = %x\n",
3438                            portstate);
3439                 break;
3440
3441         }
3442 }
3443
3444 /**
3445  * pm8001_mpi_reg_resp -process register device ID response.
3446  * @pm8001_ha: our hba card information
3447  * @piomb: IO message buffer
3448  *
3449  * when sas layer find a device it will notify LLDD, then the driver register
3450  * the domain device to FW, this event is the return device ID which the FW
3451  * has assigned, from now, inter-communication with FW is no longer using the
3452  * SAS address, use device ID which FW assigned.
3453  */
3454 int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3455 {
3456         u32 status;
3457         u32 device_id;
3458         u32 htag;
3459         struct pm8001_ccb_info *ccb;
3460         struct pm8001_device *pm8001_dev;
3461         struct dev_reg_resp *registerRespPayload =
3462                 (struct dev_reg_resp *)(piomb + 4);
3463
3464         htag = le32_to_cpu(registerRespPayload->tag);
3465         ccb = &pm8001_ha->ccb_info[htag];
3466         pm8001_dev = ccb->device;
3467         status = le32_to_cpu(registerRespPayload->status);
3468         device_id = le32_to_cpu(registerRespPayload->device_id);
3469         pm8001_dbg(pm8001_ha, MSG, " register device is status = %d\n",
3470                    status);
3471         switch (status) {
3472         case DEVREG_SUCCESS:
3473                 pm8001_dbg(pm8001_ha, MSG, "DEVREG_SUCCESS\n");
3474                 pm8001_dev->device_id = device_id;
3475                 break;
3476         case DEVREG_FAILURE_OUT_OF_RESOURCE:
3477                 pm8001_dbg(pm8001_ha, MSG, "DEVREG_FAILURE_OUT_OF_RESOURCE\n");
3478                 break;
3479         case DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED:
3480                 pm8001_dbg(pm8001_ha, MSG,
3481                            "DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED\n");
3482                 break;
3483         case DEVREG_FAILURE_INVALID_PHY_ID:
3484                 pm8001_dbg(pm8001_ha, MSG, "DEVREG_FAILURE_INVALID_PHY_ID\n");
3485                 break;
3486         case DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED:
3487                 pm8001_dbg(pm8001_ha, MSG,
3488                            "DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED\n");
3489                 break;
3490         case DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE:
3491                 pm8001_dbg(pm8001_ha, MSG,
3492                            "DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE\n");
3493                 break;
3494         case DEVREG_FAILURE_PORT_NOT_VALID_STATE:
3495                 pm8001_dbg(pm8001_ha, MSG,
3496                            "DEVREG_FAILURE_PORT_NOT_VALID_STATE\n");
3497                 break;
3498         case DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID:
3499                 pm8001_dbg(pm8001_ha, MSG,
3500                            "DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID\n");
3501                 break;
3502         default:
3503                 pm8001_dbg(pm8001_ha, MSG,
3504                            "DEVREG_FAILURE_DEVICE_TYPE_NOT_SUPPORTED\n");
3505                 break;
3506         }
3507         complete(pm8001_dev->dcompletion);
3508         pm8001_ccb_free(pm8001_ha, ccb);
3509         return 0;
3510 }
3511
3512 int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3513 {
3514         u32 status;
3515         u32 device_id;
3516         struct dev_reg_resp *registerRespPayload =
3517                 (struct dev_reg_resp *)(piomb + 4);
3518
3519         status = le32_to_cpu(registerRespPayload->status);
3520         device_id = le32_to_cpu(registerRespPayload->device_id);
3521         if (status != 0)
3522                 pm8001_dbg(pm8001_ha, MSG,
3523                            " deregister device failed ,status = %x, device_id = %x\n",
3524                            status, device_id);
3525         return 0;
3526 }
3527
3528 /**
3529  * pm8001_mpi_fw_flash_update_resp - Response from FW for flash update command.
3530  * @pm8001_ha: our hba card information
3531  * @piomb: IO message buffer
3532  */
3533 int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
3534                 void *piomb)
3535 {
3536         u32 status;
3537         struct fw_flash_Update_resp *ppayload =
3538                 (struct fw_flash_Update_resp *)(piomb + 4);
3539         u32 tag = le32_to_cpu(ppayload->tag);
3540         struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3541
3542         status = le32_to_cpu(ppayload->status);
3543         switch (status) {
3544         case FLASH_UPDATE_COMPLETE_PENDING_REBOOT:
3545                 pm8001_dbg(pm8001_ha, MSG,
3546                            ": FLASH_UPDATE_COMPLETE_PENDING_REBOOT\n");
3547                 break;
3548         case FLASH_UPDATE_IN_PROGRESS:
3549                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_IN_PROGRESS\n");
3550                 break;
3551         case FLASH_UPDATE_HDR_ERR:
3552                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_HDR_ERR\n");
3553                 break;
3554         case FLASH_UPDATE_OFFSET_ERR:
3555                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_OFFSET_ERR\n");
3556                 break;
3557         case FLASH_UPDATE_CRC_ERR:
3558                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_CRC_ERR\n");
3559                 break;
3560         case FLASH_UPDATE_LENGTH_ERR:
3561                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_LENGTH_ERR\n");
3562                 break;
3563         case FLASH_UPDATE_HW_ERR:
3564                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_HW_ERR\n");
3565                 break;
3566         case FLASH_UPDATE_DNLD_NOT_SUPPORTED:
3567                 pm8001_dbg(pm8001_ha, MSG,
3568                            ": FLASH_UPDATE_DNLD_NOT_SUPPORTED\n");
3569                 break;
3570         case FLASH_UPDATE_DISABLED:
3571                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_DISABLED\n");
3572                 break;
3573         default:
3574                 pm8001_dbg(pm8001_ha, DEVIO, "No matched status = %d\n",
3575                            status);
3576                 break;
3577         }
3578         kfree(ccb->fw_control_context);
3579         pm8001_ccb_free(pm8001_ha, ccb);
3580         complete(pm8001_ha->nvmd_completion);
3581         return 0;
3582 }
3583
3584 int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3585 {
3586         u32 status;
3587         int i;
3588         struct general_event_resp *pPayload =
3589                 (struct general_event_resp *)(piomb + 4);
3590         status = le32_to_cpu(pPayload->status);
3591         pm8001_dbg(pm8001_ha, MSG, " status = 0x%x\n", status);
3592         for (i = 0; i < GENERAL_EVENT_PAYLOAD; i++)
3593                 pm8001_dbg(pm8001_ha, MSG, "inb_IOMB_payload[0x%x] 0x%x,\n",
3594                            i,
3595                            pPayload->inb_IOMB_payload[i]);
3596         return 0;
3597 }
3598
3599 int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3600 {
3601         struct sas_task *t;
3602         struct pm8001_ccb_info *ccb;
3603         unsigned long flags;
3604         u32 status ;
3605         u32 tag, scp;
3606         struct task_status_struct *ts;
3607         struct pm8001_device *pm8001_dev;
3608
3609         struct task_abort_resp *pPayload =
3610                 (struct task_abort_resp *)(piomb + 4);
3611
3612         status = le32_to_cpu(pPayload->status);
3613         tag = le32_to_cpu(pPayload->tag);
3614
3615         scp = le32_to_cpu(pPayload->scp);
3616         ccb = &pm8001_ha->ccb_info[tag];
3617         t = ccb->task;
3618         pm8001_dev = ccb->device; /* retrieve device */
3619
3620         if (!t) {
3621                 pm8001_dbg(pm8001_ha, FAIL, " TASK NULL. RETURNING !!!\n");
3622                 return -1;
3623         }
3624         ts = &t->task_status;
3625         if (status != 0)
3626                 pm8001_dbg(pm8001_ha, FAIL, "task abort failed status 0x%x ,tag = 0x%x, scp= 0x%x\n",
3627                            status, tag, scp);
3628         switch (status) {
3629         case IO_SUCCESS:
3630                 pm8001_dbg(pm8001_ha, EH, "IO_SUCCESS\n");
3631                 ts->resp = SAS_TASK_COMPLETE;
3632                 ts->stat = SAS_SAM_STAT_GOOD;
3633                 break;
3634         case IO_NOT_VALID:
3635                 pm8001_dbg(pm8001_ha, EH, "IO_NOT_VALID\n");
3636                 ts->resp = TMF_RESP_FUNC_FAILED;
3637                 break;
3638         }
3639         spin_lock_irqsave(&t->task_state_lock, flags);
3640         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3641         t->task_state_flags |= SAS_TASK_STATE_DONE;
3642         spin_unlock_irqrestore(&t->task_state_lock, flags);
3643         pm8001_ccb_task_free(pm8001_ha, ccb);
3644         mb();
3645
3646         if (pm8001_dev->id & NCQ_ABORT_ALL_FLAG) {
3647                 sas_free_task(t);
3648                 pm8001_dev->id &= ~NCQ_ABORT_ALL_FLAG;
3649         } else {
3650                 t->task_done(t);
3651         }
3652
3653         return 0;
3654 }
3655
3656 /**
3657  * mpi_hw_event -The hw event has come.
3658  * @pm8001_ha: our hba card information
3659  * @piomb: IO message buffer
3660  */
3661 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3662 {
3663         unsigned long flags;
3664         struct hw_event_resp *pPayload =
3665                 (struct hw_event_resp *)(piomb + 4);
3666         u32 lr_evt_status_phyid_portid =
3667                 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3668         u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3669         u8 phy_id =
3670                 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3671         u16 eventType =
3672                 (u16)((lr_evt_status_phyid_portid & 0x00FFFF00) >> 8);
3673         u8 status =
3674                 (u8)((lr_evt_status_phyid_portid & 0x0F000000) >> 24);
3675         struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3676         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3677         struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3678         pm8001_dbg(pm8001_ha, DEVIO,
3679                    "SPC HW event for portid:%d, phyid:%d, event:%x, status:%x\n",
3680                    port_id, phy_id, eventType, status);
3681         switch (eventType) {
3682         case HW_EVENT_PHY_START_STATUS:
3683                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS status = %x\n",
3684                            status);
3685                 if (status == 0)
3686                         phy->phy_state = 1;
3687
3688                 if (pm8001_ha->flags == PM8001F_RUN_TIME &&
3689                                 phy->enable_completion != NULL) {
3690                         complete(phy->enable_completion);
3691                         phy->enable_completion = NULL;
3692                 }
3693                 break;
3694         case HW_EVENT_SAS_PHY_UP:
3695                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS\n");
3696                 hw_event_sas_phy_up(pm8001_ha, piomb);
3697                 break;
3698         case HW_EVENT_SATA_PHY_UP:
3699                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_PHY_UP\n");
3700                 hw_event_sata_phy_up(pm8001_ha, piomb);
3701                 break;
3702         case HW_EVENT_PHY_STOP_STATUS:
3703                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_STOP_STATUS status = %x\n",
3704                            status);
3705                 if (status == 0)
3706                         phy->phy_state = 0;
3707                 break;
3708         case HW_EVENT_SATA_SPINUP_HOLD:
3709                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_SPINUP_HOLD\n");
3710                 sas_notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD,
3711                         GFP_ATOMIC);
3712                 break;
3713         case HW_EVENT_PHY_DOWN:
3714                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_DOWN\n");
3715                 sas_notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL,
3716                         GFP_ATOMIC);
3717                 phy->phy_attached = 0;
3718                 phy->phy_state = 0;
3719                 hw_event_phy_down(pm8001_ha, piomb);
3720                 break;
3721         case HW_EVENT_PORT_INVALID:
3722                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_INVALID\n");
3723                 sas_phy_disconnected(sas_phy);
3724                 phy->phy_attached = 0;
3725                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3726                         GFP_ATOMIC);
3727                 break;
3728         /* the broadcast change primitive received, tell the LIBSAS this event
3729         to revalidate the sas domain*/
3730         case HW_EVENT_BROADCAST_CHANGE:
3731                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_CHANGE\n");
3732                 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3733                         port_id, phy_id, 1, 0);
3734                 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3735                 sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3736                 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3737                 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3738                         GFP_ATOMIC);
3739                 break;
3740         case HW_EVENT_PHY_ERROR:
3741                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_ERROR\n");
3742                 sas_phy_disconnected(&phy->sas_phy);
3743                 phy->phy_attached = 0;
3744                 sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR, GFP_ATOMIC);
3745                 break;
3746         case HW_EVENT_BROADCAST_EXP:
3747                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_EXP\n");
3748                 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3749                 sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3750                 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3751                 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3752                         GFP_ATOMIC);
3753                 break;
3754         case HW_EVENT_LINK_ERR_INVALID_DWORD:
3755                 pm8001_dbg(pm8001_ha, MSG,
3756                            "HW_EVENT_LINK_ERR_INVALID_DWORD\n");
3757                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3758                         HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3759                 sas_phy_disconnected(sas_phy);
3760                 phy->phy_attached = 0;
3761                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3762                         GFP_ATOMIC);
3763                 break;
3764         case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3765                 pm8001_dbg(pm8001_ha, MSG,
3766                            "HW_EVENT_LINK_ERR_DISPARITY_ERROR\n");
3767                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3768                         HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3769                         port_id, phy_id, 0, 0);
3770                 sas_phy_disconnected(sas_phy);
3771                 phy->phy_attached = 0;
3772                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3773                         GFP_ATOMIC);
3774                 break;
3775         case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3776                 pm8001_dbg(pm8001_ha, MSG,
3777                            "HW_EVENT_LINK_ERR_CODE_VIOLATION\n");
3778                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3779                         HW_EVENT_LINK_ERR_CODE_VIOLATION,
3780                         port_id, phy_id, 0, 0);
3781                 sas_phy_disconnected(sas_phy);
3782                 phy->phy_attached = 0;
3783                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3784                         GFP_ATOMIC);
3785                 break;
3786         case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3787                 pm8001_dbg(pm8001_ha, MSG,
3788                            "HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n");
3789                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3790                         HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3791                         port_id, phy_id, 0, 0);
3792                 sas_phy_disconnected(sas_phy);
3793                 phy->phy_attached = 0;
3794                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3795                         GFP_ATOMIC);
3796                 break;
3797         case HW_EVENT_MALFUNCTION:
3798                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_MALFUNCTION\n");
3799                 break;
3800         case HW_EVENT_BROADCAST_SES:
3801                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_SES\n");
3802                 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3803                 sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3804                 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3805                 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3806                         GFP_ATOMIC);
3807                 break;
3808         case HW_EVENT_INBOUND_CRC_ERROR:
3809                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_INBOUND_CRC_ERROR\n");
3810                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3811                         HW_EVENT_INBOUND_CRC_ERROR,
3812                         port_id, phy_id, 0, 0);
3813                 break;
3814         case HW_EVENT_HARD_RESET_RECEIVED:
3815                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_HARD_RESET_RECEIVED\n");
3816                 sas_notify_port_event(sas_phy, PORTE_HARD_RESET, GFP_ATOMIC);
3817                 break;
3818         case HW_EVENT_ID_FRAME_TIMEOUT:
3819                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_ID_FRAME_TIMEOUT\n");
3820                 sas_phy_disconnected(sas_phy);
3821                 phy->phy_attached = 0;
3822                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3823                         GFP_ATOMIC);
3824                 break;
3825         case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3826                 pm8001_dbg(pm8001_ha, MSG,
3827                            "HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n");
3828                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3829                         HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3830                         port_id, phy_id, 0, 0);
3831                 sas_phy_disconnected(sas_phy);
3832                 phy->phy_attached = 0;
3833                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3834                         GFP_ATOMIC);
3835                 break;
3836         case HW_EVENT_PORT_RESET_TIMER_TMO:
3837                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_TIMER_TMO\n");
3838                 sas_phy_disconnected(sas_phy);
3839                 phy->phy_attached = 0;
3840                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3841                         GFP_ATOMIC);
3842                 break;
3843         case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3844                 pm8001_dbg(pm8001_ha, MSG,
3845                            "HW_EVENT_PORT_RECOVERY_TIMER_TMO\n");
3846                 sas_phy_disconnected(sas_phy);
3847                 phy->phy_attached = 0;
3848                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3849                         GFP_ATOMIC);
3850                 break;
3851         case HW_EVENT_PORT_RECOVER:
3852                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RECOVER\n");
3853                 break;
3854         case HW_EVENT_PORT_RESET_COMPLETE:
3855                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_COMPLETE\n");
3856                 break;
3857         case EVENT_BROADCAST_ASYNCH_EVENT:
3858                 pm8001_dbg(pm8001_ha, MSG, "EVENT_BROADCAST_ASYNCH_EVENT\n");
3859                 break;
3860         default:
3861                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown event type = %x\n",
3862                            eventType);
3863                 break;
3864         }
3865         return 0;
3866 }
3867
3868 /**
3869  * process_one_iomb - process one outbound Queue memory block
3870  * @pm8001_ha: our hba card information
3871  * @piomb: IO message buffer
3872  */
3873 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3874 {
3875         __le32 pHeader = *(__le32 *)piomb;
3876         u8 opc = (u8)((le32_to_cpu(pHeader)) & 0xFFF);
3877
3878         pm8001_dbg(pm8001_ha, MSG, "process_one_iomb:\n");
3879
3880         switch (opc) {
3881         case OPC_OUB_ECHO:
3882                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_ECHO\n");
3883                 break;
3884         case OPC_OUB_HW_EVENT:
3885                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_HW_EVENT\n");
3886                 mpi_hw_event(pm8001_ha, piomb);
3887                 break;
3888         case OPC_OUB_SSP_COMP:
3889                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_COMP\n");
3890                 mpi_ssp_completion(pm8001_ha, piomb);
3891                 break;
3892         case OPC_OUB_SMP_COMP:
3893                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_COMP\n");
3894                 mpi_smp_completion(pm8001_ha, piomb);
3895                 break;
3896         case OPC_OUB_LOCAL_PHY_CNTRL:
3897                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_LOCAL_PHY_CNTRL\n");
3898                 pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3899                 break;
3900         case OPC_OUB_DEV_REGIST:
3901                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_REGIST\n");
3902                 pm8001_mpi_reg_resp(pm8001_ha, piomb);
3903                 break;
3904         case OPC_OUB_DEREG_DEV:
3905                 pm8001_dbg(pm8001_ha, MSG, "unregister the device\n");
3906                 pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3907                 break;
3908         case OPC_OUB_GET_DEV_HANDLE:
3909                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEV_HANDLE\n");
3910                 break;
3911         case OPC_OUB_SATA_COMP:
3912                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_COMP\n");
3913                 mpi_sata_completion(pm8001_ha, piomb);
3914                 break;
3915         case OPC_OUB_SATA_EVENT:
3916                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_EVENT\n");
3917                 mpi_sata_event(pm8001_ha, piomb);
3918                 break;
3919         case OPC_OUB_SSP_EVENT:
3920                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_EVENT\n");
3921                 mpi_ssp_event(pm8001_ha, piomb);
3922                 break;
3923         case OPC_OUB_DEV_HANDLE_ARRIV:
3924                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_HANDLE_ARRIV\n");
3925                 /*This is for target*/
3926                 break;
3927         case OPC_OUB_SSP_RECV_EVENT:
3928                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_RECV_EVENT\n");
3929                 /*This is for target*/
3930                 break;
3931         case OPC_OUB_DEV_INFO:
3932                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_INFO\n");
3933                 break;
3934         case OPC_OUB_FW_FLASH_UPDATE:
3935                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_FW_FLASH_UPDATE\n");
3936                 pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
3937                 break;
3938         case OPC_OUB_GPIO_RESPONSE:
3939                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_RESPONSE\n");
3940                 break;
3941         case OPC_OUB_GPIO_EVENT:
3942                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_EVENT\n");
3943                 break;
3944         case OPC_OUB_GENERAL_EVENT:
3945                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GENERAL_EVENT\n");
3946                 pm8001_mpi_general_event(pm8001_ha, piomb);
3947                 break;
3948         case OPC_OUB_SSP_ABORT_RSP:
3949                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_ABORT_RSP\n");
3950                 pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3951                 break;
3952         case OPC_OUB_SATA_ABORT_RSP:
3953                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_ABORT_RSP\n");
3954                 pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3955                 break;
3956         case OPC_OUB_SAS_DIAG_MODE_START_END:
3957                 pm8001_dbg(pm8001_ha, MSG,
3958                            "OPC_OUB_SAS_DIAG_MODE_START_END\n");
3959                 break;
3960         case OPC_OUB_SAS_DIAG_EXECUTE:
3961                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_DIAG_EXECUTE\n");
3962                 break;
3963         case OPC_OUB_GET_TIME_STAMP:
3964                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_TIME_STAMP\n");
3965                 break;
3966         case OPC_OUB_SAS_HW_EVENT_ACK:
3967                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_HW_EVENT_ACK\n");
3968                 break;
3969         case OPC_OUB_PORT_CONTROL:
3970                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_PORT_CONTROL\n");
3971                 break;
3972         case OPC_OUB_SMP_ABORT_RSP:
3973                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_ABORT_RSP\n");
3974                 pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3975                 break;
3976         case OPC_OUB_GET_NVMD_DATA:
3977                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_NVMD_DATA\n");
3978                 pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
3979                 break;
3980         case OPC_OUB_SET_NVMD_DATA:
3981                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_NVMD_DATA\n");
3982                 pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
3983                 break;
3984         case OPC_OUB_DEVICE_HANDLE_REMOVAL:
3985                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEVICE_HANDLE_REMOVAL\n");
3986                 break;
3987         case OPC_OUB_SET_DEVICE_STATE:
3988                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEVICE_STATE\n");
3989                 pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
3990                 break;
3991         case OPC_OUB_GET_DEVICE_STATE:
3992                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEVICE_STATE\n");
3993                 break;
3994         case OPC_OUB_SET_DEV_INFO:
3995                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEV_INFO\n");
3996                 break;
3997         case OPC_OUB_SAS_RE_INITIALIZE:
3998                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_RE_INITIALIZE\n");
3999                 break;
4000         default:
4001                 pm8001_dbg(pm8001_ha, DEVIO,
4002                            "Unknown outbound Queue IOMB OPC = %x\n",
4003                            opc);
4004                 break;
4005         }
4006 }
4007
4008 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
4009 {
4010         struct outbound_queue_table *circularQ;
4011         void *pMsg1 = NULL;
4012         u8 bc;
4013         u32 ret = MPI_IO_STATUS_FAIL;
4014         unsigned long flags;
4015
4016         spin_lock_irqsave(&pm8001_ha->lock, flags);
4017         circularQ = &pm8001_ha->outbnd_q_tbl[vec];
4018         do {
4019                 ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
4020                 if (MPI_IO_STATUS_SUCCESS == ret) {
4021                         /* process the outbound message */
4022                         process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
4023                         /* free the message from the outbound circular buffer */
4024                         pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
4025                                                         circularQ, bc);
4026                 }
4027                 if (MPI_IO_STATUS_BUSY == ret) {
4028                         /* Update the producer index from SPC */
4029                         circularQ->producer_index =
4030                                 cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
4031                         if (le32_to_cpu(circularQ->producer_index) ==
4032                                 circularQ->consumer_idx)
4033                                 /* OQ is empty */
4034                                 break;
4035                 }
4036         } while (1);
4037         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
4038         return ret;
4039 }
4040
4041 /* DMA_... to our direction translation. */
4042 static const u8 data_dir_flags[] = {
4043         [DMA_BIDIRECTIONAL]     = DATA_DIR_BYRECIPIENT, /* UNSPECIFIED */
4044         [DMA_TO_DEVICE]         = DATA_DIR_OUT,         /* OUTBOUND */
4045         [DMA_FROM_DEVICE]       = DATA_DIR_IN,          /* INBOUND */
4046         [DMA_NONE]              = DATA_DIR_NONE,        /* NO TRANSFER */
4047 };
4048 void
4049 pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd)
4050 {
4051         int i;
4052         struct scatterlist *sg;
4053         struct pm8001_prd *buf_prd = prd;
4054
4055         for_each_sg(scatter, sg, nr, i) {
4056                 buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
4057                 buf_prd->im_len.len = cpu_to_le32(sg_dma_len(sg));
4058                 buf_prd->im_len.e = 0;
4059                 buf_prd++;
4060         }
4061 }
4062
4063 static void build_smp_cmd(u32 deviceID, __le32 hTag, struct smp_req *psmp_cmd)
4064 {
4065         psmp_cmd->tag = hTag;
4066         psmp_cmd->device_id = cpu_to_le32(deviceID);
4067         psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
4068 }
4069
4070 /**
4071  * pm8001_chip_smp_req - send a SMP task to FW
4072  * @pm8001_ha: our hba card information.
4073  * @ccb: the ccb information this request used.
4074  */
4075 static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
4076         struct pm8001_ccb_info *ccb)
4077 {
4078         int elem, rc;
4079         struct sas_task *task = ccb->task;
4080         struct domain_device *dev = task->dev;
4081         struct pm8001_device *pm8001_dev = dev->lldd_dev;
4082         struct scatterlist *sg_req, *sg_resp;
4083         u32 req_len, resp_len;
4084         struct smp_req smp_cmd;
4085         u32 opc;
4086
4087         memset(&smp_cmd, 0, sizeof(smp_cmd));
4088         /*
4089          * DMA-map SMP request, response buffers
4090          */
4091         sg_req = &task->smp_task.smp_req;
4092         elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE);
4093         if (!elem)
4094                 return -ENOMEM;
4095         req_len = sg_dma_len(sg_req);
4096
4097         sg_resp = &task->smp_task.smp_resp;
4098         elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE);
4099         if (!elem) {
4100                 rc = -ENOMEM;
4101                 goto err_out;
4102         }
4103         resp_len = sg_dma_len(sg_resp);
4104         /* must be in dwords */
4105         if ((req_len & 0x3) || (resp_len & 0x3)) {
4106                 rc = -EINVAL;
4107                 goto err_out_2;
4108         }
4109
4110         opc = OPC_INB_SMP_REQUEST;
4111         smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
4112         smp_cmd.long_smp_req.long_req_addr =
4113                 cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
4114         smp_cmd.long_smp_req.long_req_size =
4115                 cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
4116         smp_cmd.long_smp_req.long_resp_addr =
4117                 cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_resp));
4118         smp_cmd.long_smp_req.long_resp_size =
4119                 cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
4120         build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd);
4121         rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc,
4122                                   &smp_cmd, sizeof(smp_cmd), 0);
4123         if (rc)
4124                 goto err_out_2;
4125
4126         return 0;
4127
4128 err_out_2:
4129         dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
4130                         DMA_FROM_DEVICE);
4131 err_out:
4132         dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
4133                         DMA_TO_DEVICE);
4134         return rc;
4135 }
4136
4137 /**
4138  * pm8001_chip_ssp_io_req - send a SSP task to FW
4139  * @pm8001_ha: our hba card information.
4140  * @ccb: the ccb information this request used.
4141  */
4142 static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
4143         struct pm8001_ccb_info *ccb)
4144 {
4145         struct sas_task *task = ccb->task;
4146         struct domain_device *dev = task->dev;
4147         struct pm8001_device *pm8001_dev = dev->lldd_dev;
4148         struct ssp_ini_io_start_req ssp_cmd;
4149         u32 tag = ccb->ccb_tag;
4150         u64 phys_addr;
4151         u32 opc = OPC_INB_SSPINIIOSTART;
4152         memset(&ssp_cmd, 0, sizeof(ssp_cmd));
4153         memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
4154         ssp_cmd.dir_m_tlr =
4155                 cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);/*0 for
4156         SAS 1.1 compatible TLR*/
4157         ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4158         ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4159         ssp_cmd.tag = cpu_to_le32(tag);
4160         if (task->ssp_task.enable_first_burst)
4161                 ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
4162         ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
4163         ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4164         memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4165                task->ssp_task.cmd->cmd_len);
4166
4167         /* fill in PRD (scatter/gather) table, if any */
4168         if (task->num_scatter > 1) {
4169                 pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4170                 phys_addr = ccb->ccb_dma_handle;
4171                 ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(phys_addr));
4172                 ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(phys_addr));
4173                 ssp_cmd.esgl = cpu_to_le32(1<<31);
4174         } else if (task->num_scatter == 1) {
4175                 u64 dma_addr = sg_dma_address(task->scatter);
4176                 ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4177                 ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(dma_addr));
4178                 ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4179                 ssp_cmd.esgl = 0;
4180         } else if (task->num_scatter == 0) {
4181                 ssp_cmd.addr_low = 0;
4182                 ssp_cmd.addr_high = 0;
4183                 ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4184                 ssp_cmd.esgl = 0;
4185         }
4186
4187         return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &ssp_cmd,
4188                                     sizeof(ssp_cmd), 0);
4189 }
4190
4191 static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4192         struct pm8001_ccb_info *ccb)
4193 {
4194         struct sas_task *task = ccb->task;
4195         struct domain_device *dev = task->dev;
4196         struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4197         u32 tag = ccb->ccb_tag;
4198         struct sata_start_req sata_cmd;
4199         u32 hdr_tag, ncg_tag = 0;
4200         u64 phys_addr;
4201         u32 ATAP = 0x0;
4202         u32 dir;
4203         unsigned long flags;
4204         u32  opc = OPC_INB_SATA_HOST_OPSTART;
4205
4206         memset(&sata_cmd, 0, sizeof(sata_cmd));
4207
4208         if (task->data_dir == DMA_NONE && !task->ata_task.use_ncq) {
4209                 ATAP = 0x04;  /* no data*/
4210                 pm8001_dbg(pm8001_ha, IO, "no data\n");
4211         } else if (likely(!task->ata_task.device_control_reg_update)) {
4212                 if (task->ata_task.use_ncq &&
4213                     dev->sata_dev.class != ATA_DEV_ATAPI) {
4214                         ATAP = 0x07; /* FPDMA */
4215                         pm8001_dbg(pm8001_ha, IO, "FPDMA\n");
4216                 } else if (task->ata_task.dma_xfer) {
4217                         ATAP = 0x06; /* DMA */
4218                         pm8001_dbg(pm8001_ha, IO, "DMA\n");
4219                 } else {
4220                         ATAP = 0x05; /* PIO*/
4221                         pm8001_dbg(pm8001_ha, IO, "PIO\n");
4222                 }
4223         }
4224         if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4225                 task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4226                 ncg_tag = hdr_tag;
4227         }
4228         dir = data_dir_flags[task->data_dir] << 8;
4229         sata_cmd.tag = cpu_to_le32(tag);
4230         sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4231         sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4232         sata_cmd.ncqtag_atap_dir_m =
4233                 cpu_to_le32(((ncg_tag & 0xff)<<16)|((ATAP & 0x3f) << 10) | dir);
4234         sata_cmd.sata_fis = task->ata_task.fis;
4235         if (likely(!task->ata_task.device_control_reg_update))
4236                 sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4237         sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4238         /* fill in PRD (scatter/gather) table, if any */
4239         if (task->num_scatter > 1) {
4240                 pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4241                 phys_addr = ccb->ccb_dma_handle;
4242                 sata_cmd.addr_low = lower_32_bits(phys_addr);
4243                 sata_cmd.addr_high = upper_32_bits(phys_addr);
4244                 sata_cmd.esgl = cpu_to_le32(1 << 31);
4245         } else if (task->num_scatter == 1) {
4246                 u64 dma_addr = sg_dma_address(task->scatter);
4247                 sata_cmd.addr_low = lower_32_bits(dma_addr);
4248                 sata_cmd.addr_high = upper_32_bits(dma_addr);
4249                 sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4250                 sata_cmd.esgl = 0;
4251         } else if (task->num_scatter == 0) {
4252                 sata_cmd.addr_low = 0;
4253                 sata_cmd.addr_high = 0;
4254                 sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4255                 sata_cmd.esgl = 0;
4256         }
4257
4258         /* Check for read log for failed drive and return */
4259         if (sata_cmd.sata_fis.command == 0x2f) {
4260                 if (((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
4261                         (pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
4262                         (pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
4263                         struct task_status_struct *ts;
4264
4265                         pm8001_ha_dev->id &= 0xDFFFFFFF;
4266                         ts = &task->task_status;
4267
4268                         spin_lock_irqsave(&task->task_state_lock, flags);
4269                         ts->resp = SAS_TASK_COMPLETE;
4270                         ts->stat = SAS_SAM_STAT_GOOD;
4271                         task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
4272                         task->task_state_flags |= SAS_TASK_STATE_DONE;
4273                         if (unlikely((task->task_state_flags &
4274                                         SAS_TASK_STATE_ABORTED))) {
4275                                 spin_unlock_irqrestore(&task->task_state_lock,
4276                                                         flags);
4277                                 pm8001_dbg(pm8001_ha, FAIL,
4278                                            "task 0x%p resp 0x%x  stat 0x%x but aborted by upper layer\n",
4279                                            task, ts->resp,
4280                                            ts->stat);
4281                                 pm8001_ccb_task_free(pm8001_ha, ccb);
4282                         } else {
4283                                 spin_unlock_irqrestore(&task->task_state_lock,
4284                                                         flags);
4285                                 pm8001_ccb_task_free_done(pm8001_ha, ccb);
4286                                 return 0;
4287                         }
4288                 }
4289         }
4290
4291         return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sata_cmd,
4292                                     sizeof(sata_cmd), 0);
4293 }
4294
4295 /**
4296  * pm8001_chip_phy_start_req - start phy via PHY_START COMMAND
4297  * @pm8001_ha: our hba card information.
4298  * @phy_id: the phy id which we wanted to start up.
4299  */
4300 static int
4301 pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4302 {
4303         struct phy_start_req payload;
4304         u32 tag = 0x01;
4305         u32 opcode = OPC_INB_PHYSTART;
4306
4307         memset(&payload, 0, sizeof(payload));
4308         payload.tag = cpu_to_le32(tag);
4309         /*
4310          ** [0:7]   PHY Identifier
4311          ** [8:11]  link rate 1.5G, 3G, 6G
4312          ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b both
4313          ** [14]    0b disable spin up hold; 1b enable spin up hold
4314          */
4315         payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4316                 LINKMODE_AUTO | LINKRATE_15 |
4317                 LINKRATE_30 | LINKRATE_60 | phy_id);
4318         payload.sas_identify.dev_type = SAS_END_DEVICE;
4319         payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4320         memcpy(payload.sas_identify.sas_addr,
4321                 pm8001_ha->sas_addr, SAS_ADDR_SIZE);
4322         payload.sas_identify.phy_id = phy_id;
4323
4324         return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload,
4325                                     sizeof(payload), 0);
4326 }
4327
4328 /**
4329  * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4330  * @pm8001_ha: our hba card information.
4331  * @phy_id: the phy id which we wanted to start up.
4332  */
4333 static int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4334                                     u8 phy_id)
4335 {
4336         struct phy_stop_req payload;
4337         u32 tag = 0x01;
4338         u32 opcode = OPC_INB_PHYSTOP;
4339
4340         memset(&payload, 0, sizeof(payload));
4341         payload.tag = cpu_to_le32(tag);
4342         payload.phy_id = cpu_to_le32(phy_id);
4343
4344         return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload,
4345                                     sizeof(payload), 0);
4346 }
4347
4348 /*
4349  * see comments on pm8001_mpi_reg_resp.
4350  */
4351 static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4352         struct pm8001_device *pm8001_dev, u32 flag)
4353 {
4354         struct reg_dev_req payload;
4355         u32     opc;
4356         u32 stp_sspsmp_sata = 0x4;
4357         u32 linkrate, phy_id;
4358         int rc;
4359         struct pm8001_ccb_info *ccb;
4360         u8 retryFlag = 0x1;
4361         u16 firstBurstSize = 0;
4362         u16 ITNT = 2000;
4363         struct domain_device *dev = pm8001_dev->sas_device;
4364         struct domain_device *parent_dev = dev->parent;
4365         struct pm8001_port *port = dev->port->lldd_port;
4366
4367         memset(&payload, 0, sizeof(payload));
4368         ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL);
4369         if (!ccb)
4370                 return -SAS_QUEUE_FULL;
4371
4372         payload.tag = cpu_to_le32(ccb->ccb_tag);
4373         if (flag == 1)
4374                 stp_sspsmp_sata = 0x02; /*direct attached sata */
4375         else {
4376                 if (pm8001_dev->dev_type == SAS_SATA_DEV)
4377                         stp_sspsmp_sata = 0x00; /* stp*/
4378                 else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4379                         dev_is_expander(pm8001_dev->dev_type))
4380                         stp_sspsmp_sata = 0x01; /*ssp or smp*/
4381         }
4382         if (parent_dev && dev_is_expander(parent_dev->dev_type))
4383                 phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4384         else
4385                 phy_id = pm8001_dev->attached_phy;
4386         opc = OPC_INB_REG_DEV;
4387         linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4388                         pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4389         payload.phyid_portid =
4390                 cpu_to_le32(((port->port_id) & 0x0F) |
4391                 ((phy_id & 0x0F) << 4));
4392         payload.dtype_dlr_retry = cpu_to_le32((retryFlag & 0x01) |
4393                 ((linkrate & 0x0F) * 0x1000000) |
4394                 ((stp_sspsmp_sata & 0x03) * 0x10000000));
4395         payload.firstburstsize_ITNexustimeout =
4396                 cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4397         memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4398                 SAS_ADDR_SIZE);
4399
4400         rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4401                                   sizeof(payload), 0);
4402         if (rc)
4403                 pm8001_ccb_free(pm8001_ha, ccb);
4404
4405         return rc;
4406 }
4407
4408 /*
4409  * see comments on pm8001_mpi_reg_resp.
4410  */
4411 int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha,
4412         u32 device_id)
4413 {
4414         struct dereg_dev_req payload;
4415         u32 opc = OPC_INB_DEREG_DEV_HANDLE;
4416
4417         memset(&payload, 0, sizeof(payload));
4418         payload.tag = cpu_to_le32(1);
4419         payload.device_id = cpu_to_le32(device_id);
4420         pm8001_dbg(pm8001_ha, MSG, "unregister device device_id = %d\n",
4421                    device_id);
4422
4423         return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4424                                     sizeof(payload), 0);
4425 }
4426
4427 /**
4428  * pm8001_chip_phy_ctl_req - support the local phy operation
4429  * @pm8001_ha: our hba card information.
4430  * @phyId: the phy id which we wanted to operate
4431  * @phy_op: the phy operation to request
4432  */
4433 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4434         u32 phyId, u32 phy_op)
4435 {
4436         struct local_phy_ctl_req payload;
4437         u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4438
4439         memset(&payload, 0, sizeof(payload));
4440         payload.tag = cpu_to_le32(1);
4441         payload.phyop_phyid =
4442                 cpu_to_le32(((phy_op & 0xff) << 8) | (phyId & 0x0F));
4443
4444         return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4445                                     sizeof(payload), 0);
4446 }
4447
4448 static u32 pm8001_chip_is_our_interrupt(struct pm8001_hba_info *pm8001_ha)
4449 {
4450 #ifdef PM8001_USE_MSIX
4451         return 1;
4452 #else
4453         u32 value;
4454
4455         value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4456         if (value)
4457                 return 1;
4458         return 0;
4459 #endif
4460 }
4461
4462 /**
4463  * pm8001_chip_isr - PM8001 isr handler.
4464  * @pm8001_ha: our hba card information.
4465  * @vec: IRQ number
4466  */
4467 static irqreturn_t
4468 pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4469 {
4470         pm8001_chip_interrupt_disable(pm8001_ha, vec);
4471         pm8001_dbg(pm8001_ha, DEVIO,
4472                    "irq vec %d, ODMR:0x%x\n",
4473                    vec, pm8001_cr32(pm8001_ha, 0, 0x30));
4474         process_oq(pm8001_ha, vec);
4475         pm8001_chip_interrupt_enable(pm8001_ha, vec);
4476         return IRQ_HANDLED;
4477 }
4478
4479 static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc,
4480         u32 dev_id, enum sas_internal_abort type, u32 task_tag, u32 cmd_tag)
4481 {
4482         struct task_abort_req task_abort;
4483
4484         memset(&task_abort, 0, sizeof(task_abort));
4485         if (type == SAS_INTERNAL_ABORT_SINGLE) {
4486                 task_abort.abort_all = 0;
4487                 task_abort.device_id = cpu_to_le32(dev_id);
4488                 task_abort.tag_to_abort = cpu_to_le32(task_tag);
4489         } else if (type == SAS_INTERNAL_ABORT_DEV) {
4490                 task_abort.abort_all = cpu_to_le32(1);
4491                 task_abort.device_id = cpu_to_le32(dev_id);
4492         } else {
4493                 pm8001_dbg(pm8001_ha, EH, "unknown type (%d)\n", type);
4494                 return -EIO;
4495         }
4496
4497         task_abort.tag = cpu_to_le32(cmd_tag);
4498
4499         return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &task_abort,
4500                                     sizeof(task_abort), 0);
4501 }
4502
4503 /*
4504  * pm8001_chip_abort_task - SAS abort task when error or exception happened.
4505  */
4506 int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
4507         struct pm8001_ccb_info *ccb)
4508 {
4509         struct sas_task *task = ccb->task;
4510         struct sas_internal_abort_task *abort = &task->abort_task;
4511         struct pm8001_device *pm8001_dev = ccb->device;
4512         int rc = TMF_RESP_FUNC_FAILED;
4513         u32 opc, device_id;
4514
4515         pm8001_dbg(pm8001_ha, EH, "cmd_tag = %x, abort task tag = 0x%x\n",
4516                    ccb->ccb_tag, abort->tag);
4517         if (pm8001_dev->dev_type == SAS_END_DEVICE)
4518                 opc = OPC_INB_SSP_ABORT;
4519         else if (pm8001_dev->dev_type == SAS_SATA_DEV)
4520                 opc = OPC_INB_SATA_ABORT;
4521         else
4522                 opc = OPC_INB_SMP_ABORT;/* SMP */
4523         device_id = pm8001_dev->device_id;
4524         rc = send_task_abort(pm8001_ha, opc, device_id, abort->type,
4525                              abort->tag, ccb->ccb_tag);
4526         if (rc != TMF_RESP_FUNC_COMPLETE)
4527                 pm8001_dbg(pm8001_ha, EH, "rc= %d\n", rc);
4528         return rc;
4529 }
4530
4531 /**
4532  * pm8001_chip_ssp_tm_req - built the task management command.
4533  * @pm8001_ha: our hba card information.
4534  * @ccb: the ccb information.
4535  * @tmf: task management function.
4536  */
4537 int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
4538         struct pm8001_ccb_info *ccb, struct sas_tmf_task *tmf)
4539 {
4540         struct sas_task *task = ccb->task;
4541         struct domain_device *dev = task->dev;
4542         struct pm8001_device *pm8001_dev = dev->lldd_dev;
4543         u32 opc = OPC_INB_SSPINITMSTART;
4544         struct ssp_ini_tm_start_req sspTMCmd;
4545
4546         memset(&sspTMCmd, 0, sizeof(sspTMCmd));
4547         sspTMCmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4548         sspTMCmd.relate_tag = cpu_to_le32((u32)tmf->tag_of_task_to_be_managed);
4549         sspTMCmd.tmf = cpu_to_le32(tmf->tmf);
4550         memcpy(sspTMCmd.lun, task->ssp_task.LUN, 8);
4551         sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag);
4552         if (pm8001_ha->chip_id != chip_8001)
4553                 sspTMCmd.ds_ads_m = cpu_to_le32(0x08);
4554
4555         return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sspTMCmd,
4556                                     sizeof(sspTMCmd), 0);
4557 }
4558
4559 int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4560         void *payload)
4561 {
4562         u32 opc = OPC_INB_GET_NVMD_DATA;
4563         u32 nvmd_type;
4564         int rc;
4565         struct pm8001_ccb_info *ccb;
4566         struct get_nvm_data_req nvmd_req;
4567         struct fw_control_ex *fw_control_context;
4568         struct pm8001_ioctl_payload *ioctl_payload = payload;
4569
4570         nvmd_type = ioctl_payload->minor_function;
4571         fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4572         if (!fw_control_context)
4573                 return -ENOMEM;
4574         fw_control_context->usrAddr = (u8 *)ioctl_payload->func_specific;
4575         fw_control_context->len = ioctl_payload->rd_length;
4576         memset(&nvmd_req, 0, sizeof(nvmd_req));
4577
4578         ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4579         if (!ccb) {
4580                 kfree(fw_control_context);
4581                 return -SAS_QUEUE_FULL;
4582         }
4583         ccb->fw_control_context = fw_control_context;
4584
4585         nvmd_req.tag = cpu_to_le32(ccb->ccb_tag);
4586
4587         switch (nvmd_type) {
4588         case TWI_DEVICE: {
4589                 u32 twi_addr, twi_page_size;
4590                 twi_addr = 0xa8;
4591                 twi_page_size = 2;
4592
4593                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4594                         twi_page_size << 8 | TWI_DEVICE);
4595                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4596                 nvmd_req.resp_addr_hi =
4597                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4598                 nvmd_req.resp_addr_lo =
4599                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4600                 break;
4601         }
4602         case C_SEEPROM: {
4603                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4604                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4605                 nvmd_req.resp_addr_hi =
4606                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4607                 nvmd_req.resp_addr_lo =
4608                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4609                 break;
4610         }
4611         case VPD_FLASH: {
4612                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4613                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4614                 nvmd_req.resp_addr_hi =
4615                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4616                 nvmd_req.resp_addr_lo =
4617                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4618                 break;
4619         }
4620         case EXPAN_ROM: {
4621                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4622                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4623                 nvmd_req.resp_addr_hi =
4624                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4625                 nvmd_req.resp_addr_lo =
4626                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4627                 break;
4628         }
4629         case IOP_RDUMP: {
4630                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | IOP_RDUMP);
4631                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4632                 nvmd_req.vpd_offset = cpu_to_le32(ioctl_payload->offset);
4633                 nvmd_req.resp_addr_hi =
4634                 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4635                 nvmd_req.resp_addr_lo =
4636                 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4637                 break;
4638         }
4639         default:
4640                 break;
4641         }
4642
4643         rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &nvmd_req,
4644                                   sizeof(nvmd_req), 0);
4645         if (rc) {
4646                 kfree(fw_control_context);
4647                 pm8001_ccb_free(pm8001_ha, ccb);
4648         }
4649         return rc;
4650 }
4651
4652 int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4653         void *payload)
4654 {
4655         u32 opc = OPC_INB_SET_NVMD_DATA;
4656         u32 nvmd_type;
4657         int rc;
4658         struct pm8001_ccb_info *ccb;
4659         struct set_nvm_data_req nvmd_req;
4660         struct fw_control_ex *fw_control_context;
4661         struct pm8001_ioctl_payload *ioctl_payload = payload;
4662
4663         nvmd_type = ioctl_payload->minor_function;
4664         fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4665         if (!fw_control_context)
4666                 return -ENOMEM;
4667
4668         memcpy(pm8001_ha->memoryMap.region[NVMD].virt_ptr,
4669                 &ioctl_payload->func_specific,
4670                 ioctl_payload->wr_length);
4671         memset(&nvmd_req, 0, sizeof(nvmd_req));
4672
4673         ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4674         if (!ccb) {
4675                 kfree(fw_control_context);
4676                 return -SAS_QUEUE_FULL;
4677         }
4678         ccb->fw_control_context = fw_control_context;
4679
4680         nvmd_req.tag = cpu_to_le32(ccb->ccb_tag);
4681         switch (nvmd_type) {
4682         case TWI_DEVICE: {
4683                 u32 twi_addr, twi_page_size;
4684                 twi_addr = 0xa8;
4685                 twi_page_size = 2;
4686                 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4687                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4688                         twi_page_size << 8 | TWI_DEVICE);
4689                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4690                 nvmd_req.resp_addr_hi =
4691                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4692                 nvmd_req.resp_addr_lo =
4693                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4694                 break;
4695         }
4696         case C_SEEPROM:
4697                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4698                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4699                 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4700                 nvmd_req.resp_addr_hi =
4701                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4702                 nvmd_req.resp_addr_lo =
4703                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4704                 break;
4705         case VPD_FLASH:
4706                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4707                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4708                 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4709                 nvmd_req.resp_addr_hi =
4710                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4711                 nvmd_req.resp_addr_lo =
4712                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4713                 break;
4714         case EXPAN_ROM:
4715                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4716                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4717                 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4718                 nvmd_req.resp_addr_hi =
4719                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4720                 nvmd_req.resp_addr_lo =
4721                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4722                 break;
4723         default:
4724                 break;
4725         }
4726
4727         rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &nvmd_req,
4728                         sizeof(nvmd_req), 0);
4729         if (rc) {
4730                 kfree(fw_control_context);
4731                 pm8001_ccb_free(pm8001_ha, ccb);
4732         }
4733         return rc;
4734 }
4735
4736 /**
4737  * pm8001_chip_fw_flash_update_build - support the firmware update operation
4738  * @pm8001_ha: our hba card information.
4739  * @fw_flash_updata_info: firmware flash update param
4740  * @tag: Tag to apply to the payload
4741  */
4742 int
4743 pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
4744         void *fw_flash_updata_info, u32 tag)
4745 {
4746         struct fw_flash_Update_req payload;
4747         struct fw_flash_updata_info *info;
4748         u32 opc = OPC_INB_FW_FLASH_UPDATE;
4749
4750         memset(&payload, 0, sizeof(struct fw_flash_Update_req));
4751         info = fw_flash_updata_info;
4752         payload.tag = cpu_to_le32(tag);
4753         payload.cur_image_len = cpu_to_le32(info->cur_image_len);
4754         payload.cur_image_offset = cpu_to_le32(info->cur_image_offset);
4755         payload.total_image_len = cpu_to_le32(info->total_image_len);
4756         payload.len = info->sgl.im_len.len ;
4757         payload.sgl_addr_lo =
4758                 cpu_to_le32(lower_32_bits(le64_to_cpu(info->sgl.addr)));
4759         payload.sgl_addr_hi =
4760                 cpu_to_le32(upper_32_bits(le64_to_cpu(info->sgl.addr)));
4761
4762         return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4763                                     sizeof(payload), 0);
4764 }
4765
4766 int
4767 pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
4768         void *payload)
4769 {
4770         struct fw_flash_updata_info flash_update_info;
4771         struct fw_control_info *fw_control;
4772         struct fw_control_ex *fw_control_context;
4773         int rc;
4774         struct pm8001_ccb_info *ccb;
4775         void *buffer = pm8001_ha->memoryMap.region[FW_FLASH].virt_ptr;
4776         dma_addr_t phys_addr = pm8001_ha->memoryMap.region[FW_FLASH].phys_addr;
4777         struct pm8001_ioctl_payload *ioctl_payload = payload;
4778
4779         fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4780         if (!fw_control_context)
4781                 return -ENOMEM;
4782         fw_control = (struct fw_control_info *)&ioctl_payload->func_specific;
4783         pm8001_dbg(pm8001_ha, DEVIO,
4784                    "dma fw_control context input length :%x\n",
4785                    fw_control->len);
4786         memcpy(buffer, fw_control->buffer, fw_control->len);
4787         flash_update_info.sgl.addr = cpu_to_le64(phys_addr);
4788         flash_update_info.sgl.im_len.len = cpu_to_le32(fw_control->len);
4789         flash_update_info.sgl.im_len.e = 0;
4790         flash_update_info.cur_image_offset = fw_control->offset;
4791         flash_update_info.cur_image_len = fw_control->len;
4792         flash_update_info.total_image_len = fw_control->size;
4793         fw_control_context->fw_control = fw_control;
4794         fw_control_context->virtAddr = buffer;
4795         fw_control_context->phys_addr = phys_addr;
4796         fw_control_context->len = fw_control->len;
4797
4798         ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4799         if (!ccb) {
4800                 kfree(fw_control_context);
4801                 return -SAS_QUEUE_FULL;
4802         }
4803         ccb->fw_control_context = fw_control_context;
4804
4805         rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info,
4806                                                ccb->ccb_tag);
4807         if (rc) {
4808                 kfree(fw_control_context);
4809                 pm8001_ccb_free(pm8001_ha, ccb);
4810         }
4811
4812         return rc;
4813 }
4814
4815 ssize_t
4816 pm8001_get_gsm_dump(struct device *cdev, u32 length, char *buf)
4817 {
4818         u32 value, rem, offset = 0, bar = 0;
4819         u32 index, work_offset, dw_length;
4820         u32 shift_value, gsm_base, gsm_dump_offset;
4821         char *direct_data;
4822         struct Scsi_Host *shost = class_to_shost(cdev);
4823         struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
4824         struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
4825
4826         direct_data = buf;
4827         gsm_dump_offset = pm8001_ha->fatal_forensic_shift_offset;
4828
4829         /* check max is 1 Mbytes */
4830         if ((length > 0x100000) || (gsm_dump_offset & 3) ||
4831                 ((gsm_dump_offset + length) > 0x1000000))
4832                         return -EINVAL;
4833
4834         if (pm8001_ha->chip_id == chip_8001)
4835                 bar = 2;
4836         else
4837                 bar = 1;
4838
4839         work_offset = gsm_dump_offset & 0xFFFF0000;
4840         offset = gsm_dump_offset & 0x0000FFFF;
4841         gsm_dump_offset = work_offset;
4842         /* adjust length to dword boundary */
4843         rem = length & 3;
4844         dw_length = length >> 2;
4845
4846         for (index = 0; index < dw_length; index++) {
4847                 if ((work_offset + offset) & 0xFFFF0000) {
4848                         if (pm8001_ha->chip_id == chip_8001)
4849                                 shift_value = ((gsm_dump_offset + offset) &
4850                                                 SHIFT_REG_64K_MASK);
4851                         else
4852                                 shift_value = (((gsm_dump_offset + offset) &
4853                                                 SHIFT_REG_64K_MASK) >>
4854                                                 SHIFT_REG_BIT_SHIFT);
4855
4856                         if (pm8001_ha->chip_id == chip_8001) {
4857                                 gsm_base = GSM_BASE;
4858                                 if (-1 == pm8001_bar4_shift(pm8001_ha,
4859                                                 (gsm_base + shift_value)))
4860                                         return -EIO;
4861                         } else {
4862                                 gsm_base = 0;
4863                                 if (-1 == pm80xx_bar4_shift(pm8001_ha,
4864                                                 (gsm_base + shift_value)))
4865                                         return -EIO;
4866                         }
4867                         gsm_dump_offset = (gsm_dump_offset + offset) &
4868                                                 0xFFFF0000;
4869                         work_offset = 0;
4870                         offset = offset & 0x0000FFFF;
4871                 }
4872                 value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
4873                                                 0x0000FFFF);
4874                 direct_data += sprintf(direct_data, "%08x ", value);
4875                 offset += 4;
4876         }
4877         if (rem != 0) {
4878                 value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
4879                                                 0x0000FFFF);
4880                 /* xfr for non_dw */
4881                 direct_data += sprintf(direct_data, "%08x ", value);
4882         }
4883         /* Shift back to BAR4 original address */
4884         if (-1 == pm8001_bar4_shift(pm8001_ha, 0))
4885                         return -EIO;
4886         pm8001_ha->fatal_forensic_shift_offset += 1024;
4887
4888         if (pm8001_ha->fatal_forensic_shift_offset >= 0x100000)
4889                 pm8001_ha->fatal_forensic_shift_offset = 0;
4890         return direct_data - buf;
4891 }
4892
4893 int
4894 pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
4895         struct pm8001_device *pm8001_dev, u32 state)
4896 {
4897         struct set_dev_state_req payload;
4898         struct pm8001_ccb_info *ccb;
4899         int rc;
4900         u32 opc = OPC_INB_SET_DEVICE_STATE;
4901
4902         memset(&payload, 0, sizeof(payload));
4903
4904         ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL);
4905         if (!ccb)
4906                 return -SAS_QUEUE_FULL;
4907
4908         payload.tag = cpu_to_le32(ccb->ccb_tag);
4909         payload.device_id = cpu_to_le32(pm8001_dev->device_id);
4910         payload.nds = cpu_to_le32(state);
4911
4912         rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4913                                   sizeof(payload), 0);
4914         if (rc)
4915                 pm8001_ccb_free(pm8001_ha, ccb);
4916
4917         return rc;
4918 }
4919
4920 static int
4921 pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha)
4922 {
4923         struct sas_re_initialization_req payload;
4924         struct pm8001_ccb_info *ccb;
4925         int rc;
4926         u32 opc = OPC_INB_SAS_RE_INITIALIZE;
4927
4928         memset(&payload, 0, sizeof(payload));
4929
4930         ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4931         if (!ccb)
4932                 return -SAS_QUEUE_FULL;
4933
4934         payload.tag = cpu_to_le32(ccb->ccb_tag);
4935         payload.SSAHOLT = cpu_to_le32(0xd << 25);
4936         payload.sata_hol_tmo = cpu_to_le32(80);
4937         payload.open_reject_cmdretries_data_retries = cpu_to_le32(0xff00ff);
4938
4939         rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4940                                   sizeof(payload), 0);
4941         if (rc)
4942                 pm8001_ccb_free(pm8001_ha, ccb);
4943
4944         return rc;
4945 }
4946
4947 const struct pm8001_dispatch pm8001_8001_dispatch = {
4948         .name                   = "pmc8001",
4949         .chip_init              = pm8001_chip_init,
4950         .chip_soft_rst          = pm8001_chip_soft_rst,
4951         .chip_rst               = pm8001_hw_chip_rst,
4952         .chip_iounmap           = pm8001_chip_iounmap,
4953         .isr                    = pm8001_chip_isr,
4954         .is_our_interrupt       = pm8001_chip_is_our_interrupt,
4955         .isr_process_oq         = process_oq,
4956         .interrupt_enable       = pm8001_chip_interrupt_enable,
4957         .interrupt_disable      = pm8001_chip_interrupt_disable,
4958         .make_prd               = pm8001_chip_make_sg,
4959         .smp_req                = pm8001_chip_smp_req,
4960         .ssp_io_req             = pm8001_chip_ssp_io_req,
4961         .sata_req               = pm8001_chip_sata_req,
4962         .phy_start_req          = pm8001_chip_phy_start_req,
4963         .phy_stop_req           = pm8001_chip_phy_stop_req,
4964         .reg_dev_req            = pm8001_chip_reg_dev_req,
4965         .dereg_dev_req          = pm8001_chip_dereg_dev_req,
4966         .phy_ctl_req            = pm8001_chip_phy_ctl_req,
4967         .task_abort             = pm8001_chip_abort_task,
4968         .ssp_tm_req             = pm8001_chip_ssp_tm_req,
4969         .get_nvmd_req           = pm8001_chip_get_nvmd_req,
4970         .set_nvmd_req           = pm8001_chip_set_nvmd_req,
4971         .fw_flash_update_req    = pm8001_chip_fw_flash_update_req,
4972         .set_dev_state_req      = pm8001_chip_set_dev_state_req,
4973         .sas_re_init_req        = pm8001_chip_sas_re_initialization,
4974         .fatal_errors           = pm80xx_fatal_errors,
4975 };