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 void pm8001_chip_post_init(struct pm8001_hba_info *pm8001_ha)
 703 {
 704 }
 705
 706 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
 707 {
 708         u32 max_wait_count;
 709         u32 value;
 710         u32 gst_len_mpistate;
 711         u16 deviceid;
 712         pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
 713         if (deviceid == 0x8081 || deviceid == 0x0042) {
 714                 if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
 715                         pm8001_dbg(pm8001_ha, FAIL,
 716                                    "Shift Bar4 to 0x%x failed\n",
 717                                    GSM_SM_BASE);
 718                         return -1;
 719                 }
 720         }
 721         init_pci_device_addresses(pm8001_ha);
 722         /* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
 723         table is stop */
 724         pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_RESET);
 725
 726         /* wait until Inbound DoorBell Clear Register toggled */
 727         max_wait_count = 1 * 1000 * 1000;/* 1 sec */
 728         do {
 729                 udelay(1);
 730                 value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
 731                 value &= SPC_MSGU_CFG_TABLE_RESET;
 732         } while ((value != 0) && (--max_wait_count));
 733
 734         if (!max_wait_count) {
 735                 pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:IBDB value/=0x%x\n",
 736                            value);
 737                 return -1;
 738         }
 739
 740         /* check the MPI-State for termination in progress */
 741         /* wait until Inbound DoorBell Clear Register toggled */
 742         max_wait_count = 1 * 1000 * 1000;  /* 1 sec */
 743         do {
 744                 udelay(1);
 745                 gst_len_mpistate =
 746                         pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
 747                         GST_GSTLEN_MPIS_OFFSET);
 748                 if (GST_MPI_STATE_UNINIT ==
 749                         (gst_len_mpistate & GST_MPI_STATE_MASK))
 750                         break;
 751         } while (--max_wait_count);
 752         if (!max_wait_count) {
 753                 pm8001_dbg(pm8001_ha, FAIL, " TIME OUT MPI State = 0x%x\n",
 754                            gst_len_mpistate & GST_MPI_STATE_MASK);
 755                 return -1;
 756         }
 757         return 0;
 758 }
 759
 760 /**
 761  * soft_reset_ready_check - Function to check FW is ready for soft reset.
 762  * @pm8001_ha: our hba card information
 763  */
 764 static u32 soft_reset_ready_check(struct pm8001_hba_info *pm8001_ha)
 765 {
 766         u32 regVal, regVal1, regVal2;
 767         if (mpi_uninit_check(pm8001_ha) != 0) {
 768                 pm8001_dbg(pm8001_ha, FAIL, "MPI state is not ready\n");
 769                 return -1;
 770         }
 771         /* read the scratch pad 2 register bit 2 */
 772         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
 773                 & SCRATCH_PAD2_FWRDY_RST;
 774         if (regVal == SCRATCH_PAD2_FWRDY_RST) {
 775                 pm8001_dbg(pm8001_ha, INIT, "Firmware is ready for reset.\n");
 776         } else {
 777                 unsigned long flags;
 778                 /* Trigger NMI twice via RB6 */
 779                 spin_lock_irqsave(&pm8001_ha->lock, flags);
 780                 if (-1 == pm8001_bar4_shift(pm8001_ha, RB6_ACCESS_REG)) {
 781                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 782                         pm8001_dbg(pm8001_ha, FAIL,
 783                                    "Shift Bar4 to 0x%x failed\n",
 784                                    RB6_ACCESS_REG);
 785                         return -1;
 786                 }
 787                 pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET,
 788                         RB6_MAGIC_NUMBER_RST);
 789                 pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET, RB6_MAGIC_NUMBER_RST);
 790                 /* wait for 100 ms */
 791                 mdelay(100);
 792                 regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2) &
 793                         SCRATCH_PAD2_FWRDY_RST;
 794                 if (regVal != SCRATCH_PAD2_FWRDY_RST) {
 795                         regVal1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
 796                         regVal2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
 797                         pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT:MSGU_SCRATCH_PAD1=0x%x, MSGU_SCRATCH_PAD2=0x%x\n",
 798                                    regVal1, regVal2);
 799                         pm8001_dbg(pm8001_ha, FAIL,
 800                                    "SCRATCH_PAD0 value = 0x%x\n",
 801                                    pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0));
 802                         pm8001_dbg(pm8001_ha, FAIL,
 803                                    "SCRATCH_PAD3 value = 0x%x\n",
 804                                    pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3));
 805                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 806                         return -1;
 807                 }
 808                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 809         }
 810         return 0;
 811 }
 812
 813 /**
 814  * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
 815  * the FW register status to the originated status.
 816  * @pm8001_ha: our hba card information
 817  */
 818 static int
 819 pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
 820 {
 821         u32     regVal, toggleVal;
 822         u32     max_wait_count;
 823         u32     regVal1, regVal2, regVal3;
 824         u32     signature = 0x252acbcd; /* for host scratch pad0 */
 825         unsigned long flags;
 826
 827         /* step1: Check FW is ready for soft reset */
 828         if (soft_reset_ready_check(pm8001_ha) != 0) {
 829                 pm8001_dbg(pm8001_ha, FAIL, "FW is not ready\n");
 830                 return -1;
 831         }
 832
 833         /* step 2: clear NMI status register on AAP1 and IOP, write the same
 834         value to clear */
 835         /* map 0x60000 to BAR4(0x20), BAR2(win) */
 836         spin_lock_irqsave(&pm8001_ha->lock, flags);
 837         if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_AAP1_ADDR_BASE)) {
 838                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 839                 pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
 840                            MBIC_AAP1_ADDR_BASE);
 841                 return -1;
 842         }
 843         regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP);
 844         pm8001_dbg(pm8001_ha, INIT, "MBIC - NMI Enable VPE0 (IOP)= 0x%x\n",
 845                    regVal);
 846         pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP, 0x0);
 847         /* map 0x70000 to BAR4(0x20), BAR2(win) */
 848         if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_IOP_ADDR_BASE)) {
 849                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 850                 pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
 851                            MBIC_IOP_ADDR_BASE);
 852                 return -1;
 853         }
 854         regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1);
 855         pm8001_dbg(pm8001_ha, INIT, "MBIC - NMI Enable VPE0 (AAP1)= 0x%x\n",
 856                    regVal);
 857         pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1, 0x0);
 858
 859         regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE);
 860         pm8001_dbg(pm8001_ha, INIT, "PCIE -Event Interrupt Enable = 0x%x\n",
 861                    regVal);
 862         pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE, 0x0);
 863
 864         regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT);
 865         pm8001_dbg(pm8001_ha, INIT, "PCIE - Event Interrupt  = 0x%x\n",
 866                    regVal);
 867         pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT, regVal);
 868
 869         regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE);
 870         pm8001_dbg(pm8001_ha, INIT, "PCIE -Error Interrupt Enable = 0x%x\n",
 871                    regVal);
 872         pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE, 0x0);
 873
 874         regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT);
 875         pm8001_dbg(pm8001_ha, INIT, "PCIE - Error Interrupt = 0x%x\n", regVal);
 876         pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT, regVal);
 877
 878         /* read the scratch pad 1 register bit 2 */
 879         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
 880                 & SCRATCH_PAD1_RST;
 881         toggleVal = regVal ^ SCRATCH_PAD1_RST;
 882
 883         /* set signature in host scratch pad0 register to tell SPC that the
 884         host performs the soft reset */
 885         pm8001_cw32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0, signature);
 886
 887         /* read required registers for confirmming */
 888         /* map 0x0700000 to BAR4(0x20), BAR2(win) */
 889         if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
 890                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 891                 pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
 892                            GSM_ADDR_BASE);
 893                 return -1;
 894         }
 895         pm8001_dbg(pm8001_ha, INIT,
 896                    "GSM 0x0(0x00007b88)-GSM Configuration and Reset = 0x%x\n",
 897                    pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
 898
 899         /* step 3: host read GSM Configuration and Reset register */
 900         regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
 901         /* Put those bits to low */
 902         /* GSM XCBI offset = 0x70 0000
 903         0x00 Bit 13 COM_SLV_SW_RSTB 1
 904         0x00 Bit 12 QSSP_SW_RSTB 1
 905         0x00 Bit 11 RAAE_SW_RSTB 1
 906         0x00 Bit 9 RB_1_SW_RSTB 1
 907         0x00 Bit 8 SM_SW_RSTB 1
 908         */
 909         regVal &= ~(0x00003b00);
 910         /* host write GSM Configuration and Reset register */
 911         pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
 912         pm8001_dbg(pm8001_ha, INIT,
 913                    "GSM 0x0 (0x00007b88 ==> 0x00004088) - GSM Configuration and Reset is set to = 0x%x\n",
 914                    pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
 915
 916         /* step 4: */
 917         /* disable GSM - Read Address Parity Check */
 918         regVal1 = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
 919         pm8001_dbg(pm8001_ha, INIT,
 920                    "GSM 0x700038 - Read Address Parity Check Enable = 0x%x\n",
 921                    regVal1);
 922         pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, 0x0);
 923         pm8001_dbg(pm8001_ha, INIT,
 924                    "GSM 0x700038 - Read Address Parity Check Enable is set to = 0x%x\n",
 925                    pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK));
 926
 927         /* disable GSM - Write Address Parity Check */
 928         regVal2 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
 929         pm8001_dbg(pm8001_ha, INIT,
 930                    "GSM 0x700040 - Write Address Parity Check Enable = 0x%x\n",
 931                    regVal2);
 932         pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, 0x0);
 933         pm8001_dbg(pm8001_ha, INIT,
 934                    "GSM 0x700040 - Write Address Parity Check Enable is set to = 0x%x\n",
 935                    pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK));
 936
 937         /* disable GSM - Write Data Parity Check */
 938         regVal3 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
 939         pm8001_dbg(pm8001_ha, INIT, "GSM 0x300048 - Write Data Parity Check Enable = 0x%x\n",
 940                    regVal3);
 941         pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, 0x0);
 942         pm8001_dbg(pm8001_ha, INIT,
 943                    "GSM 0x300048 - Write Data Parity Check Enable is set to = 0x%x\n",
 944                    pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK));
 945
 946         /* step 5: delay 10 usec */
 947         udelay(10);
 948         /* step 5-b: set GPIO-0 output control to tristate anyway */
 949         if (-1 == pm8001_bar4_shift(pm8001_ha, GPIO_ADDR_BASE)) {
 950                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 951                 pm8001_dbg(pm8001_ha, INIT, "Shift Bar4 to 0x%x failed\n",
 952                            GPIO_ADDR_BASE);
 953                 return -1;
 954         }
 955         regVal = pm8001_cr32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET);
 956         pm8001_dbg(pm8001_ha, INIT, "GPIO Output Control Register: = 0x%x\n",
 957                    regVal);
 958         /* set GPIO-0 output control to tri-state */
 959         regVal &= 0xFFFFFFFC;
 960         pm8001_cw32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET, regVal);
 961
 962         /* Step 6: Reset the IOP and AAP1 */
 963         /* map 0x00000 to BAR4(0x20), BAR2(win) */
 964         if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
 965                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 966                 pm8001_dbg(pm8001_ha, FAIL, "SPC Shift Bar4 to 0x%x failed\n",
 967                            SPC_TOP_LEVEL_ADDR_BASE);
 968                 return -1;
 969         }
 970         regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 971         pm8001_dbg(pm8001_ha, INIT, "Top Register before resetting IOP/AAP1:= 0x%x\n",
 972                    regVal);
 973         regVal &= ~(SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
 974         pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 975
 976         /* step 7: Reset the BDMA/OSSP */
 977         regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 978         pm8001_dbg(pm8001_ha, INIT, "Top Register before resetting BDMA/OSSP: = 0x%x\n",
 979                    regVal);
 980         regVal &= ~(SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
 981         pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 982
 983         /* step 8: delay 10 usec */
 984         udelay(10);
 985
 986         /* step 9: bring the BDMA and OSSP out of reset */
 987         regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 988         pm8001_dbg(pm8001_ha, INIT,
 989                    "Top Register before bringing up BDMA/OSSP:= 0x%x\n",
 990                    regVal);
 991         regVal |= (SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
 992         pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 993
 994         /* step 10: delay 10 usec */
 995         udelay(10);
 996
 997         /* step 11: reads and sets the GSM Configuration and Reset Register */
 998         /* map 0x0700000 to BAR4(0x20), BAR2(win) */
 999         if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
1000                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1001                 pm8001_dbg(pm8001_ha, FAIL, "SPC Shift Bar4 to 0x%x failed\n",
1002                            GSM_ADDR_BASE);
1003                 return -1;
1004         }
1005         pm8001_dbg(pm8001_ha, INIT,
1006                    "GSM 0x0 (0x00007b88)-GSM Configuration and Reset = 0x%x\n",
1007                    pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
1008         regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
1009         /* Put those bits to high */
1010         /* GSM XCBI offset = 0x70 0000
1011         0x00 Bit 13 COM_SLV_SW_RSTB 1
1012         0x00 Bit 12 QSSP_SW_RSTB 1
1013         0x00 Bit 11 RAAE_SW_RSTB 1
1014         0x00 Bit 9   RB_1_SW_RSTB 1
1015         0x00 Bit 8   SM_SW_RSTB 1
1016         */
1017         regVal |= (GSM_CONFIG_RESET_VALUE);
1018         pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
1019         pm8001_dbg(pm8001_ha, INIT, "GSM (0x00004088 ==> 0x00007b88) - GSM Configuration and Reset is set to = 0x%x\n",
1020                    pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET));
1021
1022         /* step 12: Restore GSM - Read Address Parity Check */
1023         regVal = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
1024         /* just for debugging */
1025         pm8001_dbg(pm8001_ha, INIT,
1026                    "GSM 0x700038 - Read Address Parity Check Enable = 0x%x\n",
1027                    regVal);
1028         pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, regVal1);
1029         pm8001_dbg(pm8001_ha, INIT, "GSM 0x700038 - Read Address Parity Check Enable is set to = 0x%x\n",
1030                    pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK));
1031         /* Restore GSM - Write Address Parity Check */
1032         regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
1033         pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, regVal2);
1034         pm8001_dbg(pm8001_ha, INIT,
1035                    "GSM 0x700040 - Write Address Parity Check Enable is set to = 0x%x\n",
1036                    pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK));
1037         /* Restore GSM - Write Data Parity Check */
1038         regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
1039         pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, regVal3);
1040         pm8001_dbg(pm8001_ha, INIT,
1041                    "GSM 0x700048 - Write Data Parity Check Enable is set to = 0x%x\n",
1042                    pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK));
1043
1044         /* step 13: bring the IOP and AAP1 out of reset */
1045         /* map 0x00000 to BAR4(0x20), BAR2(win) */
1046         if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
1047                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1048                 pm8001_dbg(pm8001_ha, FAIL, "Shift Bar4 to 0x%x failed\n",
1049                            SPC_TOP_LEVEL_ADDR_BASE);
1050                 return -1;
1051         }
1052         regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
1053         regVal |= (SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
1054         pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
1055
1056         /* step 14: delay 10 usec - Normal Mode */
1057         udelay(10);
1058         /* check Soft Reset Normal mode or Soft Reset HDA mode */
1059         if (signature == SPC_SOFT_RESET_SIGNATURE) {
1060                 /* step 15 (Normal Mode): wait until scratch pad1 register
1061                 bit 2 toggled */
1062                 max_wait_count = 2 * 1000 * 1000;/* 2 sec */
1063                 do {
1064                         udelay(1);
1065                         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1066                                 SCRATCH_PAD1_RST;
1067                 } while ((regVal != toggleVal) && (--max_wait_count));
1068
1069                 if (!max_wait_count) {
1070                         regVal = pm8001_cr32(pm8001_ha, 0,
1071                                 MSGU_SCRATCH_PAD_1);
1072                         pm8001_dbg(pm8001_ha, FAIL, "TIMEOUT : ToggleVal 0x%x,MSGU_SCRATCH_PAD1 = 0x%x\n",
1073                                    toggleVal, regVal);
1074                         pm8001_dbg(pm8001_ha, FAIL,
1075                                    "SCRATCH_PAD0 value = 0x%x\n",
1076                                    pm8001_cr32(pm8001_ha, 0,
1077                                                MSGU_SCRATCH_PAD_0));
1078                         pm8001_dbg(pm8001_ha, FAIL,
1079                                    "SCRATCH_PAD2 value = 0x%x\n",
1080                                    pm8001_cr32(pm8001_ha, 0,
1081                                                MSGU_SCRATCH_PAD_2));
1082                         pm8001_dbg(pm8001_ha, FAIL,
1083                                    "SCRATCH_PAD3 value = 0x%x\n",
1084                                    pm8001_cr32(pm8001_ha, 0,
1085                                                MSGU_SCRATCH_PAD_3));
1086                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1087                         return -1;
1088                 }
1089
1090                 /* step 16 (Normal) - Clear ODMR and ODCR */
1091                 pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1092                 pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1093
1094                 /* step 17 (Normal Mode): wait for the FW and IOP to get
1095                 ready - 1 sec timeout */
1096                 /* Wait for the SPC Configuration Table to be ready */
1097                 if (check_fw_ready(pm8001_ha) == -1) {
1098                         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1099                         /* return error if MPI Configuration Table not ready */
1100                         pm8001_dbg(pm8001_ha, INIT,
1101                                    "FW not ready SCRATCH_PAD1 = 0x%x\n",
1102                                    regVal);
1103                         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1104                         /* return error if MPI Configuration Table not ready */
1105                         pm8001_dbg(pm8001_ha, INIT,
1106                                    "FW not ready SCRATCH_PAD2 = 0x%x\n",
1107                                    regVal);
1108                         pm8001_dbg(pm8001_ha, INIT,
1109                                    "SCRATCH_PAD0 value = 0x%x\n",
1110                                    pm8001_cr32(pm8001_ha, 0,
1111                                                MSGU_SCRATCH_PAD_0));
1112                         pm8001_dbg(pm8001_ha, INIT,
1113                                    "SCRATCH_PAD3 value = 0x%x\n",
1114                                    pm8001_cr32(pm8001_ha, 0,
1115                                                MSGU_SCRATCH_PAD_3));
1116                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1117                         return -1;
1118                 }
1119         }
1120         pm8001_bar4_shift(pm8001_ha, 0);
1121         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1122
1123         pm8001_dbg(pm8001_ha, INIT, "SPC soft reset Complete\n");
1124         return 0;
1125 }
1126
1127 static void pm8001_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1128 {
1129         u32 i;
1130         u32 regVal;
1131         pm8001_dbg(pm8001_ha, INIT, "chip reset start\n");
1132
1133         /* do SPC chip reset. */
1134         regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1135         regVal &= ~(SPC_REG_RESET_DEVICE);
1136         pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1137
1138         /* delay 10 usec */
1139         udelay(10);
1140
1141         /* bring chip reset out of reset */
1142         regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1143         regVal |= SPC_REG_RESET_DEVICE;
1144         pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1145
1146         /* delay 10 usec */
1147         udelay(10);
1148
1149         /* wait for 20 msec until the firmware gets reloaded */
1150         i = 20;
1151         do {
1152                 mdelay(1);
1153         } while ((--i) != 0);
1154
1155         pm8001_dbg(pm8001_ha, INIT, "chip reset finished\n");
1156 }
1157
1158 /**
1159  * pm8001_chip_iounmap - which mapped when initialized.
1160  * @pm8001_ha: our hba card information
1161  */
1162 void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha)
1163 {
1164         s8 bar, logical = 0;
1165         for (bar = 0; bar < PCI_STD_NUM_BARS; bar++) {
1166                 /*
1167                 ** logical BARs for SPC:
1168                 ** bar 0 and 1 - logical BAR0
1169                 ** bar 2 and 3 - logical BAR1
1170                 ** bar4 - logical BAR2
1171                 ** bar5 - logical BAR3
1172                 ** Skip the appropriate assignments:
1173                 */
1174                 if ((bar == 1) || (bar == 3))
1175                         continue;
1176                 if (pm8001_ha->io_mem[logical].memvirtaddr) {
1177                         iounmap(pm8001_ha->io_mem[logical].memvirtaddr);
1178                         logical++;
1179                 }
1180         }
1181 }
1182
1183 #ifndef PM8001_USE_MSIX
1184 /**
1185  * pm8001_chip_intx_interrupt_enable - enable PM8001 chip interrupt
1186  * @pm8001_ha: our hba card information
1187  */
1188 static void
1189 pm8001_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1190 {
1191         pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1192         pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1193 }
1194
1195 /**
1196  * pm8001_chip_intx_interrupt_disable - disable PM8001 chip interrupt
1197  * @pm8001_ha: our hba card information
1198  */
1199 static void
1200 pm8001_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1201 {
1202         pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_MASK_ALL);
1203 }
1204
1205 #else
1206
1207 /**
1208  * pm8001_chip_msix_interrupt_enable - enable PM8001 chip interrupt
1209  * @pm8001_ha: our hba card information
1210  * @int_vec_idx: interrupt number to enable
1211  */
1212 static void
1213 pm8001_chip_msix_interrupt_enable(struct pm8001_hba_info *pm8001_ha,
1214         u32 int_vec_idx)
1215 {
1216         u32 msi_index;
1217         u32 value;
1218         msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1219         msi_index += MSIX_TABLE_BASE;
1220         pm8001_cw32(pm8001_ha, 0, msi_index, MSIX_INTERRUPT_ENABLE);
1221         value = (1 << int_vec_idx);
1222         pm8001_cw32(pm8001_ha, 0,  MSGU_ODCR, value);
1223
1224 }
1225
1226 /**
1227  * pm8001_chip_msix_interrupt_disable - disable PM8001 chip interrupt
1228  * @pm8001_ha: our hba card information
1229  * @int_vec_idx: interrupt number to disable
1230  */
1231 static void
1232 pm8001_chip_msix_interrupt_disable(struct pm8001_hba_info *pm8001_ha,
1233         u32 int_vec_idx)
1234 {
1235         u32 msi_index;
1236         msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1237         msi_index += MSIX_TABLE_BASE;
1238         pm8001_cw32(pm8001_ha, 0,  msi_index, MSIX_INTERRUPT_DISABLE);
1239 }
1240 #endif
1241
1242 /**
1243  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1244  * @pm8001_ha: our hba card information
1245  * @vec: unused
1246  */
1247 static void
1248 pm8001_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1249 {
1250 #ifdef PM8001_USE_MSIX
1251         pm8001_chip_msix_interrupt_enable(pm8001_ha, 0);
1252 #else
1253         pm8001_chip_intx_interrupt_enable(pm8001_ha);
1254 #endif
1255 }
1256
1257 /**
1258  * pm8001_chip_interrupt_disable - disable PM8001 chip interrupt
1259  * @pm8001_ha: our hba card information
1260  * @vec: unused
1261  */
1262 static void
1263 pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
1264 {
1265 #ifdef PM8001_USE_MSIX
1266         pm8001_chip_msix_interrupt_disable(pm8001_ha, 0);
1267 #else
1268         pm8001_chip_intx_interrupt_disable(pm8001_ha);
1269 #endif
1270 }
1271
1272 /**
1273  * pm8001_mpi_msg_free_get - get the free message buffer for transfer
1274  * inbound queue.
1275  * @circularQ: the inbound queue  we want to transfer to HBA.
1276  * @messageSize: the message size of this transfer, normally it is 64 bytes
1277  * @messagePtr: the pointer to message.
1278  */
1279 int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
1280                             u16 messageSize, void **messagePtr)
1281 {
1282         u32 offset, consumer_index;
1283         struct mpi_msg_hdr *msgHeader;
1284         u8 bcCount = 1; /* only support single buffer */
1285
1286         /* Checks is the requested message size can be allocated in this queue*/
1287         if (messageSize > IOMB_SIZE_SPCV) {
1288                 *messagePtr = NULL;
1289                 return -1;
1290         }
1291
1292         /* Stores the new consumer index */
1293         consumer_index = pm8001_read_32(circularQ->ci_virt);
1294         circularQ->consumer_index = cpu_to_le32(consumer_index);
1295         if (((circularQ->producer_idx + bcCount) % PM8001_MPI_QUEUE) ==
1296                 le32_to_cpu(circularQ->consumer_index)) {
1297                 *messagePtr = NULL;
1298                 return -1;
1299         }
1300         /* get memory IOMB buffer address */
1301         offset = circularQ->producer_idx * messageSize;
1302         /* increment to next bcCount element */
1303         circularQ->producer_idx = (circularQ->producer_idx + bcCount)
1304                                 % PM8001_MPI_QUEUE;
1305         /* Adds that distance to the base of the region virtual address plus
1306         the message header size*/
1307         msgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt + offset);
1308         *messagePtr = ((void *)msgHeader) + sizeof(struct mpi_msg_hdr);
1309         return 0;
1310 }
1311
1312 /**
1313  * pm8001_mpi_build_cmd- build the message queue for transfer, update the PI to
1314  * FW to tell the fw to get this message from IOMB.
1315  * @pm8001_ha: our hba card information
1316  * @q_index: the index in the inbound queue we want to transfer to HBA.
1317  * @opCode: the operation code represents commands which LLDD and fw recognized.
1318  * @payload: the command payload of each operation command.
1319  * @nb: size in bytes of the command payload
1320  * @responseQueue: queue to interrupt on w/ command response (if any)
1321  */
1322 int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
1323                          u32 q_index, u32 opCode, void *payload, size_t nb,
1324                          u32 responseQueue)
1325 {
1326         u32 Header = 0, hpriority = 0, bc = 1, category = 0x02;
1327         void *pMessage;
1328         unsigned long flags;
1329         struct inbound_queue_table *circularQ = &pm8001_ha->inbnd_q_tbl[q_index];
1330         int rv;
1331         u32 htag = le32_to_cpu(*(__le32 *)payload);
1332
1333         trace_pm80xx_mpi_build_cmd(pm8001_ha->id, opCode, htag, q_index,
1334                 circularQ->producer_idx, le32_to_cpu(circularQ->consumer_index));
1335
1336         if (WARN_ON(q_index >= pm8001_ha->max_q_num))
1337                 return -EINVAL;
1338
1339         spin_lock_irqsave(&circularQ->iq_lock, flags);
1340         rv = pm8001_mpi_msg_free_get(circularQ, pm8001_ha->iomb_size,
1341                         &pMessage);
1342         if (rv < 0) {
1343                 pm8001_dbg(pm8001_ha, IO, "No free mpi buffer\n");
1344                 rv = -ENOMEM;
1345                 goto done;
1346         }
1347
1348         if (nb > (pm8001_ha->iomb_size - sizeof(struct mpi_msg_hdr)))
1349                 nb = pm8001_ha->iomb_size - sizeof(struct mpi_msg_hdr);
1350         memcpy(pMessage, payload, nb);
1351         if (nb + sizeof(struct mpi_msg_hdr) < pm8001_ha->iomb_size)
1352                 memset(pMessage + nb, 0, pm8001_ha->iomb_size -
1353                                 (nb + sizeof(struct mpi_msg_hdr)));
1354
1355         /*Build the header*/
1356         Header = ((1 << 31) | (hpriority << 30) | ((bc & 0x1f) << 24)
1357                 | ((responseQueue & 0x3F) << 16)
1358                 | ((category & 0xF) << 12) | (opCode & 0xFFF));
1359
1360         pm8001_write_32((pMessage - 4), 0, cpu_to_le32(Header));
1361         /*Update the PI to the firmware*/
1362         pm8001_cw32(pm8001_ha, circularQ->pi_pci_bar,
1363                 circularQ->pi_offset, circularQ->producer_idx);
1364         pm8001_dbg(pm8001_ha, DEVIO,
1365                    "INB Q %x OPCODE:%x , UPDATED PI=%d CI=%d\n",
1366                    responseQueue, opCode, circularQ->producer_idx,
1367                    circularQ->consumer_index);
1368 done:
1369         spin_unlock_irqrestore(&circularQ->iq_lock, flags);
1370         return rv;
1371 }
1372
1373 u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
1374                             struct outbound_queue_table *circularQ, u8 bc)
1375 {
1376         u32 producer_index;
1377         struct mpi_msg_hdr *msgHeader;
1378         struct mpi_msg_hdr *pOutBoundMsgHeader;
1379
1380         msgHeader = (struct mpi_msg_hdr *)(pMsg - sizeof(struct mpi_msg_hdr));
1381         pOutBoundMsgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt +
1382                                 circularQ->consumer_idx * pm8001_ha->iomb_size);
1383         if (pOutBoundMsgHeader != msgHeader) {
1384                 pm8001_dbg(pm8001_ha, FAIL,
1385                            "consumer_idx = %d msgHeader = %p\n",
1386                            circularQ->consumer_idx, msgHeader);
1387
1388                 /* Update the producer index from SPC */
1389                 producer_index = pm8001_read_32(circularQ->pi_virt);
1390                 circularQ->producer_index = cpu_to_le32(producer_index);
1391                 pm8001_dbg(pm8001_ha, FAIL,
1392                            "consumer_idx = %d producer_index = %dmsgHeader = %p\n",
1393                            circularQ->consumer_idx,
1394                            circularQ->producer_index, msgHeader);
1395                 return 0;
1396         }
1397         /* free the circular queue buffer elements associated with the message*/
1398         circularQ->consumer_idx = (circularQ->consumer_idx + bc)
1399                                 % PM8001_MPI_QUEUE;
1400         /* update the CI of outbound queue */
1401         pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar, circularQ->ci_offset,
1402                 circularQ->consumer_idx);
1403         /* Update the producer index from SPC*/
1404         producer_index = pm8001_read_32(circularQ->pi_virt);
1405         circularQ->producer_index = cpu_to_le32(producer_index);
1406         pm8001_dbg(pm8001_ha, IO, " CI=%d PI=%d\n",
1407                    circularQ->consumer_idx, circularQ->producer_index);
1408         return 0;
1409 }
1410
1411 /**
1412  * pm8001_mpi_msg_consume- get the MPI message from outbound queue
1413  * message table.
1414  * @pm8001_ha: our hba card information
1415  * @circularQ: the outbound queue  table.
1416  * @messagePtr1: the message contents of this outbound message.
1417  * @pBC: the message size.
1418  */
1419 u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
1420                            struct outbound_queue_table *circularQ,
1421                            void **messagePtr1, u8 *pBC)
1422 {
1423         struct mpi_msg_hdr      *msgHeader;
1424         __le32  msgHeader_tmp;
1425         u32 header_tmp;
1426         do {
1427                 /* If there are not-yet-delivered messages ... */
1428                 if (le32_to_cpu(circularQ->producer_index)
1429                         != circularQ->consumer_idx) {
1430                         /*Get the pointer to the circular queue buffer element*/
1431                         msgHeader = (struct mpi_msg_hdr *)
1432                                 (circularQ->base_virt +
1433                                 circularQ->consumer_idx * pm8001_ha->iomb_size);
1434                         /* read header */
1435                         header_tmp = pm8001_read_32(msgHeader);
1436                         msgHeader_tmp = cpu_to_le32(header_tmp);
1437                         pm8001_dbg(pm8001_ha, DEVIO,
1438                                    "outbound opcode msgheader:%x ci=%d pi=%d\n",
1439                                    msgHeader_tmp, circularQ->consumer_idx,
1440                                    circularQ->producer_index);
1441                         if (0 != (le32_to_cpu(msgHeader_tmp) & 0x80000000)) {
1442                                 if (OPC_OUB_SKIP_ENTRY !=
1443                                         (le32_to_cpu(msgHeader_tmp) & 0xfff)) {
1444                                         *messagePtr1 =
1445                                                 ((u8 *)msgHeader) +
1446                                                 sizeof(struct mpi_msg_hdr);
1447                                         *pBC = (u8)((le32_to_cpu(msgHeader_tmp)
1448                                                 >> 24) & 0x1f);
1449                                         pm8001_dbg(pm8001_ha, IO,
1450                                                    ": CI=%d PI=%d msgHeader=%x\n",
1451                                                    circularQ->consumer_idx,
1452                                                    circularQ->producer_index,
1453                                                    msgHeader_tmp);
1454                                         return MPI_IO_STATUS_SUCCESS;
1455                                 } else {
1456                                         circularQ->consumer_idx =
1457                                                 (circularQ->consumer_idx +
1458                                                 ((le32_to_cpu(msgHeader_tmp)
1459                                                  >> 24) & 0x1f))
1460                                                         % PM8001_MPI_QUEUE;
1461                                         msgHeader_tmp = 0;
1462                                         pm8001_write_32(msgHeader, 0, 0);
1463                                         /* update the CI of outbound queue */
1464                                         pm8001_cw32(pm8001_ha,
1465                                                 circularQ->ci_pci_bar,
1466                                                 circularQ->ci_offset,
1467                                                 circularQ->consumer_idx);
1468                                 }
1469                         } else {
1470                                 circularQ->consumer_idx =
1471                                         (circularQ->consumer_idx +
1472                                         ((le32_to_cpu(msgHeader_tmp) >> 24) &
1473                                         0x1f)) % PM8001_MPI_QUEUE;
1474                                 msgHeader_tmp = 0;
1475                                 pm8001_write_32(msgHeader, 0, 0);
1476                                 /* update the CI of outbound queue */
1477                                 pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar,
1478                                         circularQ->ci_offset,
1479                                         circularQ->consumer_idx);
1480                                 return MPI_IO_STATUS_FAIL;
1481                         }
1482                 } else {
1483                         u32 producer_index;
1484                         void *pi_virt = circularQ->pi_virt;
1485                         /* spurious interrupt during setup if
1486                          * kexec-ing and driver doing a doorbell access
1487                          * with the pre-kexec oq interrupt setup
1488                          */
1489                         if (!pi_virt)
1490                                 break;
1491                         /* Update the producer index from SPC */
1492                         producer_index = pm8001_read_32(pi_virt);
1493                         circularQ->producer_index = cpu_to_le32(producer_index);
1494                 }
1495         } while (le32_to_cpu(circularQ->producer_index) !=
1496                 circularQ->consumer_idx);
1497         /* while we don't have any more not-yet-delivered message */
1498         /* report empty */
1499         return MPI_IO_STATUS_BUSY;
1500 }
1501
1502 void pm8001_work_fn(struct work_struct *work)
1503 {
1504         struct pm8001_work *pw = container_of(work, struct pm8001_work, work);
1505         struct pm8001_device *pm8001_dev;
1506         struct domain_device *dev;
1507
1508         /*
1509          * So far, all users of this stash an associated structure here.
1510          * If we get here, and this pointer is null, then the action
1511          * was cancelled. This nullification happens when the device
1512          * goes away.
1513          */
1514         if (pw->handler != IO_FATAL_ERROR) {
1515                 pm8001_dev = pw->data; /* Most stash device structure */
1516                 if ((pm8001_dev == NULL)
1517                  || ((pw->handler != IO_XFER_ERROR_BREAK)
1518                          && (pm8001_dev->dev_type == SAS_PHY_UNUSED))) {
1519                         kfree(pw);
1520                         return;
1521                 }
1522         }
1523
1524         switch (pw->handler) {
1525         case IO_XFER_ERROR_BREAK:
1526         {       /* This one stashes the sas_task instead */
1527                 struct sas_task *t = (struct sas_task *)pm8001_dev;
1528                 struct pm8001_ccb_info *ccb;
1529                 struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1530                 unsigned long flags, flags1;
1531                 struct task_status_struct *ts;
1532                 int i;
1533
1534                 if (pm8001_query_task(t) == TMF_RESP_FUNC_SUCC)
1535                         break; /* Task still on lu */
1536                 spin_lock_irqsave(&pm8001_ha->lock, flags);
1537
1538                 spin_lock_irqsave(&t->task_state_lock, flags1);
1539                 if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1540                         spin_unlock_irqrestore(&t->task_state_lock, flags1);
1541                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1542                         break; /* Task got completed by another */
1543                 }
1544                 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1545
1546                 /* Search for a possible ccb that matches the task */
1547                 for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1548                         ccb = &pm8001_ha->ccb_info[i];
1549                         if ((ccb->ccb_tag != PM8001_INVALID_TAG) &&
1550                             (ccb->task == t))
1551                                 break;
1552                 }
1553                 if (!ccb) {
1554                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1555                         break; /* Task got freed by another */
1556                 }
1557                 ts = &t->task_status;
1558                 ts->resp = SAS_TASK_COMPLETE;
1559                 /* Force the midlayer to retry */
1560                 ts->stat = SAS_QUEUE_FULL;
1561                 pm8001_dev = ccb->device;
1562                 if (pm8001_dev)
1563                         atomic_dec(&pm8001_dev->running_req);
1564                 spin_lock_irqsave(&t->task_state_lock, flags1);
1565                 t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1566                 t->task_state_flags |= SAS_TASK_STATE_DONE;
1567                 if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1568                         spin_unlock_irqrestore(&t->task_state_lock, flags1);
1569                         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",
1570                                    t, pw->handler, ts->resp, ts->stat);
1571                         pm8001_ccb_task_free(pm8001_ha, ccb);
1572                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1573                 } else {
1574                         spin_unlock_irqrestore(&t->task_state_lock, flags1);
1575                         pm8001_ccb_task_free(pm8001_ha, ccb);
1576                         mb();/* in order to force CPU ordering */
1577                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1578                         t->task_done(t);
1579                 }
1580         }       break;
1581         case IO_XFER_OPEN_RETRY_TIMEOUT:
1582         {       /* This one stashes the sas_task instead */
1583                 struct sas_task *t = (struct sas_task *)pm8001_dev;
1584                 struct pm8001_ccb_info *ccb;
1585                 struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1586                 unsigned long flags, flags1;
1587                 int i, ret = 0;
1588
1589                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
1590
1591                 ret = pm8001_query_task(t);
1592
1593                 if (ret == TMF_RESP_FUNC_SUCC)
1594                         pm8001_dbg(pm8001_ha, IO, "...Task on lu\n");
1595                 else if (ret == TMF_RESP_FUNC_COMPLETE)
1596                         pm8001_dbg(pm8001_ha, IO, "...Task NOT on lu\n");
1597                 else
1598                         pm8001_dbg(pm8001_ha, DEVIO, "...query task failed!!!\n");
1599
1600                 spin_lock_irqsave(&pm8001_ha->lock, flags);
1601
1602                 spin_lock_irqsave(&t->task_state_lock, flags1);
1603
1604                 if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1605                         spin_unlock_irqrestore(&t->task_state_lock, flags1);
1606                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1607                         if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1608                                 (void)pm8001_abort_task(t);
1609                         break; /* Task got completed by another */
1610                 }
1611
1612                 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1613
1614                 /* Search for a possible ccb that matches the task */
1615                 for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1616                         ccb = &pm8001_ha->ccb_info[i];
1617                         if ((ccb->ccb_tag != PM8001_INVALID_TAG) &&
1618                             (ccb->task == t))
1619                                 break;
1620                 }
1621                 if (!ccb) {
1622                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1623                         if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1624                                 (void)pm8001_abort_task(t);
1625                         break; /* Task got freed by another */
1626                 }
1627
1628                 pm8001_dev = ccb->device;
1629                 dev = pm8001_dev->sas_device;
1630
1631                 switch (ret) {
1632                 case TMF_RESP_FUNC_SUCC: /* task on lu */
1633                         ccb->open_retry = 1; /* Snub completion */
1634                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1635                         ret = pm8001_abort_task(t);
1636                         ccb->open_retry = 0;
1637                         switch (ret) {
1638                         case TMF_RESP_FUNC_SUCC:
1639                         case TMF_RESP_FUNC_COMPLETE:
1640                                 break;
1641                         default: /* device misbehavior */
1642                                 ret = TMF_RESP_FUNC_FAILED;
1643                                 pm8001_dbg(pm8001_ha, IO, "...Reset phy\n");
1644                                 pm8001_I_T_nexus_reset(dev);
1645                                 break;
1646                         }
1647                         break;
1648
1649                 case TMF_RESP_FUNC_COMPLETE: /* task not on lu */
1650                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1651                         /* Do we need to abort the task locally? */
1652                         break;
1653
1654                 default: /* device misbehavior */
1655                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1656                         ret = TMF_RESP_FUNC_FAILED;
1657                         pm8001_dbg(pm8001_ha, IO, "...Reset phy\n");
1658                         pm8001_I_T_nexus_reset(dev);
1659                 }
1660
1661                 if (ret == TMF_RESP_FUNC_FAILED)
1662                         t = NULL;
1663                 pm8001_open_reject_retry(pm8001_ha, t, pm8001_dev);
1664                 pm8001_dbg(pm8001_ha, IO, "...Complete\n");
1665         }       break;
1666         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1667                 dev = pm8001_dev->sas_device;
1668                 pm8001_I_T_nexus_event_handler(dev);
1669                 break;
1670         case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
1671                 dev = pm8001_dev->sas_device;
1672                 pm8001_I_T_nexus_reset(dev);
1673                 break;
1674         case IO_DS_IN_ERROR:
1675                 dev = pm8001_dev->sas_device;
1676                 pm8001_I_T_nexus_reset(dev);
1677                 break;
1678         case IO_DS_NON_OPERATIONAL:
1679                 dev = pm8001_dev->sas_device;
1680                 pm8001_I_T_nexus_reset(dev);
1681                 break;
1682         case IO_FATAL_ERROR:
1683         {
1684                 struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1685                 struct pm8001_ccb_info *ccb;
1686                 struct task_status_struct *ts;
1687                 struct sas_task *task;
1688                 int i;
1689                 u32 device_id;
1690
1691                 for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1692                         ccb = &pm8001_ha->ccb_info[i];
1693                         task = ccb->task;
1694                         ts = &task->task_status;
1695
1696                         if (task != NULL) {
1697                                 dev = task->dev;
1698                                 if (!dev) {
1699                                         pm8001_dbg(pm8001_ha, FAIL,
1700                                                 "dev is NULL\n");
1701                                         continue;
1702                                 }
1703                                 /*complete sas task and update to top layer */
1704                                 pm8001_ccb_task_free(pm8001_ha, ccb);
1705                                 ts->resp = SAS_TASK_COMPLETE;
1706                                 task->task_done(task);
1707                         } else if (ccb->ccb_tag != PM8001_INVALID_TAG) {
1708                                 /* complete the internal commands/non-sas task */
1709                                 pm8001_dev = ccb->device;
1710                                 if (pm8001_dev->dcompletion) {
1711                                         complete(pm8001_dev->dcompletion);
1712                                         pm8001_dev->dcompletion = NULL;
1713                                 }
1714                                 complete(pm8001_ha->nvmd_completion);
1715                                 pm8001_ccb_free(pm8001_ha, ccb);
1716                         }
1717                 }
1718                 /* Deregister all the device ids  */
1719                 for (i = 0; i < PM8001_MAX_DEVICES; i++) {
1720                         pm8001_dev = &pm8001_ha->devices[i];
1721                         device_id = pm8001_dev->device_id;
1722                         if (device_id) {
1723                                 PM8001_CHIP_DISP->dereg_dev_req(pm8001_ha, device_id);
1724                                 pm8001_free_dev(pm8001_dev);
1725                         }
1726                 }
1727         }
1728         break;
1729         case IO_XFER_ERROR_ABORTED_NCQ_MODE:
1730         {
1731                 dev = pm8001_dev->sas_device;
1732                 sas_ata_device_link_abort(dev, false);
1733         }
1734         break;
1735         }
1736         kfree(pw);
1737 }
1738
1739 int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data,
1740                                int handler)
1741 {
1742         struct pm8001_work *pw;
1743         int ret = 0;
1744
1745         pw = kmalloc(sizeof(struct pm8001_work), GFP_ATOMIC);
1746         if (pw) {
1747                 pw->pm8001_ha = pm8001_ha;
1748                 pw->data = data;
1749                 pw->handler = handler;
1750                 INIT_WORK(&pw->work, pm8001_work_fn);
1751                 queue_work(pm8001_wq, &pw->work);
1752         } else
1753                 ret = -ENOMEM;
1754
1755         return ret;
1756 }
1757
1758 /**
1759  * mpi_ssp_completion- process the event that FW response to the SSP request.
1760  * @pm8001_ha: our hba card information
1761  * @piomb: the message contents of this outbound message.
1762  *
1763  * When FW has completed a ssp request for example a IO request, after it has
1764  * filled the SG data with the data, it will trigger this event representing
1765  * that he has finished the job; please check the corresponding buffer.
1766  * So we will tell the caller who maybe waiting the result to tell upper layer
1767  * that the task has been finished.
1768  */
1769 static void
1770 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
1771 {
1772         struct sas_task *t;
1773         struct pm8001_ccb_info *ccb;
1774         unsigned long flags;
1775         u32 status;
1776         u32 param;
1777         u32 tag;
1778         struct ssp_completion_resp *psspPayload;
1779         struct task_status_struct *ts;
1780         struct ssp_response_iu *iu;
1781         struct pm8001_device *pm8001_dev;
1782         psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1783         status = le32_to_cpu(psspPayload->status);
1784         tag = le32_to_cpu(psspPayload->tag);
1785         ccb = &pm8001_ha->ccb_info[tag];
1786         if ((status == IO_ABORTED) && ccb->open_retry) {
1787                 /* Being completed by another */
1788                 ccb->open_retry = 0;
1789                 return;
1790         }
1791         pm8001_dev = ccb->device;
1792         param = le32_to_cpu(psspPayload->param);
1793
1794         t = ccb->task;
1795
1796         if (status && status != IO_UNDERFLOW)
1797                 pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", status);
1798         if (unlikely(!t || !t->lldd_task || !t->dev))
1799                 return;
1800         ts = &t->task_status;
1801         /* Print sas address of IO failed device */
1802         if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
1803                 (status != IO_UNDERFLOW))
1804                 pm8001_dbg(pm8001_ha, FAIL, "SAS Address of IO Failure Drive:%016llx\n",
1805                            SAS_ADDR(t->dev->sas_addr));
1806
1807         if (status)
1808                 pm8001_dbg(pm8001_ha, IOERR,
1809                            "status:0x%x, tag:0x%x, task:0x%p\n",
1810                            status, tag, t);
1811
1812         switch (status) {
1813         case IO_SUCCESS:
1814                 pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS,param = %d\n",
1815                            param);
1816                 if (param == 0) {
1817                         ts->resp = SAS_TASK_COMPLETE;
1818                         ts->stat = SAS_SAM_STAT_GOOD;
1819                 } else {
1820                         ts->resp = SAS_TASK_COMPLETE;
1821                         ts->stat = SAS_PROTO_RESPONSE;
1822                         ts->residual = param;
1823                         iu = &psspPayload->ssp_resp_iu;
1824                         sas_ssp_task_response(pm8001_ha->dev, t, iu);
1825                 }
1826                 if (pm8001_dev)
1827                         atomic_dec(&pm8001_dev->running_req);
1828                 break;
1829         case IO_ABORTED:
1830                 pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
1831                 ts->resp = SAS_TASK_COMPLETE;
1832                 ts->stat = SAS_ABORTED_TASK;
1833                 break;
1834         case IO_UNDERFLOW:
1835                 /* SSP Completion with error */
1836                 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW,param = %d\n",
1837                            param);
1838                 ts->resp = SAS_TASK_COMPLETE;
1839                 ts->stat = SAS_DATA_UNDERRUN;
1840                 ts->residual = param;
1841                 if (pm8001_dev)
1842                         atomic_dec(&pm8001_dev->running_req);
1843                 break;
1844         case IO_NO_DEVICE:
1845                 pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
1846                 ts->resp = SAS_TASK_UNDELIVERED;
1847                 ts->stat = SAS_PHY_DOWN;
1848                 break;
1849         case IO_XFER_ERROR_BREAK:
1850                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
1851                 ts->resp = SAS_TASK_COMPLETE;
1852                 ts->stat = SAS_OPEN_REJECT;
1853                 /* Force the midlayer to retry */
1854                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1855                 break;
1856         case IO_XFER_ERROR_PHY_NOT_READY:
1857                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
1858                 ts->resp = SAS_TASK_COMPLETE;
1859                 ts->stat = SAS_OPEN_REJECT;
1860                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1861                 break;
1862         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1863                 pm8001_dbg(pm8001_ha, IO,
1864                            "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
1865                 ts->resp = SAS_TASK_COMPLETE;
1866                 ts->stat = SAS_OPEN_REJECT;
1867                 ts->open_rej_reason = SAS_OREJ_EPROTO;
1868                 break;
1869         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1870                 pm8001_dbg(pm8001_ha, IO,
1871                            "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
1872                 ts->resp = SAS_TASK_COMPLETE;
1873                 ts->stat = SAS_OPEN_REJECT;
1874                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1875                 break;
1876         case IO_OPEN_CNX_ERROR_BREAK:
1877                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
1878                 ts->resp = SAS_TASK_COMPLETE;
1879                 ts->stat = SAS_OPEN_REJECT;
1880                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1881                 break;
1882         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1883                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
1884                 ts->resp = SAS_TASK_COMPLETE;
1885                 ts->stat = SAS_OPEN_REJECT;
1886                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1887                 if (!t->uldd_task)
1888                         pm8001_handle_event(pm8001_ha,
1889                                 pm8001_dev,
1890                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1891                 break;
1892         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1893                 pm8001_dbg(pm8001_ha, IO,
1894                            "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
1895                 ts->resp = SAS_TASK_COMPLETE;
1896                 ts->stat = SAS_OPEN_REJECT;
1897                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1898                 break;
1899         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1900                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
1901                 ts->resp = SAS_TASK_COMPLETE;
1902                 ts->stat = SAS_OPEN_REJECT;
1903                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1904                 break;
1905         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1906                 pm8001_dbg(pm8001_ha, IO,
1907                            "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
1908                 ts->resp = SAS_TASK_UNDELIVERED;
1909                 ts->stat = SAS_OPEN_REJECT;
1910                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1911                 break;
1912         case IO_XFER_ERROR_NAK_RECEIVED:
1913                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
1914                 ts->resp = SAS_TASK_COMPLETE;
1915                 ts->stat = SAS_OPEN_REJECT;
1916                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1917                 break;
1918         case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1919                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
1920                 ts->resp = SAS_TASK_COMPLETE;
1921                 ts->stat = SAS_NAK_R_ERR;
1922                 break;
1923         case IO_XFER_ERROR_DMA:
1924                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
1925                 ts->resp = SAS_TASK_COMPLETE;
1926                 ts->stat = SAS_OPEN_REJECT;
1927                 break;
1928         case IO_XFER_OPEN_RETRY_TIMEOUT:
1929                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
1930                 ts->resp = SAS_TASK_COMPLETE;
1931                 ts->stat = SAS_OPEN_REJECT;
1932                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1933                 break;
1934         case IO_XFER_ERROR_OFFSET_MISMATCH:
1935                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
1936                 ts->resp = SAS_TASK_COMPLETE;
1937                 ts->stat = SAS_OPEN_REJECT;
1938                 break;
1939         case IO_PORT_IN_RESET:
1940                 pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
1941                 ts->resp = SAS_TASK_COMPLETE;
1942                 ts->stat = SAS_OPEN_REJECT;
1943                 break;
1944         case IO_DS_NON_OPERATIONAL:
1945                 pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
1946                 ts->resp = SAS_TASK_COMPLETE;
1947                 ts->stat = SAS_OPEN_REJECT;
1948                 if (!t->uldd_task)
1949                         pm8001_handle_event(pm8001_ha,
1950                                 pm8001_dev,
1951                                 IO_DS_NON_OPERATIONAL);
1952                 break;
1953         case IO_DS_IN_RECOVERY:
1954                 pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
1955                 ts->resp = SAS_TASK_COMPLETE;
1956                 ts->stat = SAS_OPEN_REJECT;
1957                 break;
1958         case IO_TM_TAG_NOT_FOUND:
1959                 pm8001_dbg(pm8001_ha, IO, "IO_TM_TAG_NOT_FOUND\n");
1960                 ts->resp = SAS_TASK_COMPLETE;
1961                 ts->stat = SAS_OPEN_REJECT;
1962                 break;
1963         case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
1964                 pm8001_dbg(pm8001_ha, IO, "IO_SSP_EXT_IU_ZERO_LEN_ERROR\n");
1965                 ts->resp = SAS_TASK_COMPLETE;
1966                 ts->stat = SAS_OPEN_REJECT;
1967                 break;
1968         case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
1969                 pm8001_dbg(pm8001_ha, IO,
1970                            "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\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         default:
1976                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
1977                 /* not allowed case. Therefore, return failed status */
1978                 ts->resp = SAS_TASK_COMPLETE;
1979                 ts->stat = SAS_OPEN_REJECT;
1980                 break;
1981         }
1982         pm8001_dbg(pm8001_ha, IO, "scsi_status = %x\n",
1983                    psspPayload->ssp_resp_iu.status);
1984         spin_lock_irqsave(&t->task_state_lock, flags);
1985         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1986         t->task_state_flags |= SAS_TASK_STATE_DONE;
1987         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1988                 spin_unlock_irqrestore(&t->task_state_lock, flags);
1989                 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",
1990                            t, status, ts->resp, ts->stat);
1991                 pm8001_ccb_task_free(pm8001_ha, ccb);
1992         } else {
1993                 spin_unlock_irqrestore(&t->task_state_lock, flags);
1994                 pm8001_ccb_task_free(pm8001_ha, ccb);
1995                 mb();/* in order to force CPU ordering */
1996                 t->task_done(t);
1997         }
1998 }
1999
2000 /*See the comments for mpi_ssp_completion */
2001 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
2002 {
2003         struct sas_task *t;
2004         unsigned long flags;
2005         struct task_status_struct *ts;
2006         struct pm8001_ccb_info *ccb;
2007         struct pm8001_device *pm8001_dev;
2008         struct ssp_event_resp *psspPayload =
2009                 (struct ssp_event_resp *)(piomb + 4);
2010         u32 event = le32_to_cpu(psspPayload->event);
2011         u32 tag = le32_to_cpu(psspPayload->tag);
2012         u32 port_id = le32_to_cpu(psspPayload->port_id);
2013         u32 dev_id = le32_to_cpu(psspPayload->device_id);
2014
2015         ccb = &pm8001_ha->ccb_info[tag];
2016         t = ccb->task;
2017         pm8001_dev = ccb->device;
2018         if (event)
2019                 pm8001_dbg(pm8001_ha, FAIL, "sas IO status 0x%x\n", event);
2020         if (unlikely(!t || !t->lldd_task || !t->dev))
2021                 return;
2022         ts = &t->task_status;
2023         pm8001_dbg(pm8001_ha, DEVIO, "port_id = %x,device_id = %x\n",
2024                    port_id, dev_id);
2025         switch (event) {
2026         case IO_OVERFLOW:
2027                 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2028                 ts->resp = SAS_TASK_COMPLETE;
2029                 ts->stat = SAS_DATA_OVERRUN;
2030                 ts->residual = 0;
2031                 if (pm8001_dev)
2032                         atomic_dec(&pm8001_dev->running_req);
2033                 break;
2034         case IO_XFER_ERROR_BREAK:
2035                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2036                 pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
2037                 return;
2038         case IO_XFER_ERROR_PHY_NOT_READY:
2039                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2040                 ts->resp = SAS_TASK_COMPLETE;
2041                 ts->stat = SAS_OPEN_REJECT;
2042                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2043                 break;
2044         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2045                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2046                 ts->resp = SAS_TASK_COMPLETE;
2047                 ts->stat = SAS_OPEN_REJECT;
2048                 ts->open_rej_reason = SAS_OREJ_EPROTO;
2049                 break;
2050         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2051                 pm8001_dbg(pm8001_ha, IO,
2052                            "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2053                 ts->resp = SAS_TASK_COMPLETE;
2054                 ts->stat = SAS_OPEN_REJECT;
2055                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2056                 break;
2057         case IO_OPEN_CNX_ERROR_BREAK:
2058                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2059                 ts->resp = SAS_TASK_COMPLETE;
2060                 ts->stat = SAS_OPEN_REJECT;
2061                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2062                 break;
2063         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2064                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2065                 ts->resp = SAS_TASK_COMPLETE;
2066                 ts->stat = SAS_OPEN_REJECT;
2067                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2068                 if (!t->uldd_task)
2069                         pm8001_handle_event(pm8001_ha,
2070                                 pm8001_dev,
2071                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2072                 break;
2073         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2074                 pm8001_dbg(pm8001_ha, IO,
2075                            "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2076                 ts->resp = SAS_TASK_COMPLETE;
2077                 ts->stat = SAS_OPEN_REJECT;
2078                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2079                 break;
2080         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2081                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2082                 ts->resp = SAS_TASK_COMPLETE;
2083                 ts->stat = SAS_OPEN_REJECT;
2084                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2085                 break;
2086         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2087                 pm8001_dbg(pm8001_ha, IO,
2088                            "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2089                 ts->resp = SAS_TASK_COMPLETE;
2090                 ts->stat = SAS_OPEN_REJECT;
2091                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2092                 break;
2093         case IO_XFER_ERROR_NAK_RECEIVED:
2094                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2095                 ts->resp = SAS_TASK_COMPLETE;
2096                 ts->stat = SAS_OPEN_REJECT;
2097                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2098                 break;
2099         case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2100                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2101                 ts->resp = SAS_TASK_COMPLETE;
2102                 ts->stat = SAS_NAK_R_ERR;
2103                 break;
2104         case IO_XFER_OPEN_RETRY_TIMEOUT:
2105                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2106                 pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
2107                 return;
2108         case IO_XFER_ERROR_UNEXPECTED_PHASE:
2109                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2110                 ts->resp = SAS_TASK_COMPLETE;
2111                 ts->stat = SAS_DATA_OVERRUN;
2112                 break;
2113         case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2114                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2115                 ts->resp = SAS_TASK_COMPLETE;
2116                 ts->stat = SAS_DATA_OVERRUN;
2117                 break;
2118         case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2119                 pm8001_dbg(pm8001_ha, IO,
2120                            "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2121                 ts->resp = SAS_TASK_COMPLETE;
2122                 ts->stat = SAS_DATA_OVERRUN;
2123                 break;
2124         case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
2125                 pm8001_dbg(pm8001_ha, IO,
2126                            "IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n");
2127                 ts->resp = SAS_TASK_COMPLETE;
2128                 ts->stat = SAS_DATA_OVERRUN;
2129                 break;
2130         case IO_XFER_ERROR_OFFSET_MISMATCH:
2131                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2132                 ts->resp = SAS_TASK_COMPLETE;
2133                 ts->stat = SAS_DATA_OVERRUN;
2134                 break;
2135         case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2136                 pm8001_dbg(pm8001_ha, IO,
2137                            "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2138                 ts->resp = SAS_TASK_COMPLETE;
2139                 ts->stat = SAS_DATA_OVERRUN;
2140                 break;
2141         case IO_XFER_CMD_FRAME_ISSUED:
2142                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2143                 return;
2144         default:
2145                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
2146                 /* not allowed case. Therefore, return failed status */
2147                 ts->resp = SAS_TASK_COMPLETE;
2148                 ts->stat = SAS_DATA_OVERRUN;
2149                 break;
2150         }
2151         spin_lock_irqsave(&t->task_state_lock, flags);
2152         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2153         t->task_state_flags |= SAS_TASK_STATE_DONE;
2154         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2155                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2156                 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",
2157                            t, event, ts->resp, ts->stat);
2158                 pm8001_ccb_task_free(pm8001_ha, ccb);
2159         } else {
2160                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2161                 pm8001_ccb_task_free(pm8001_ha, ccb);
2162                 mb();/* in order to force CPU ordering */
2163                 t->task_done(t);
2164         }
2165 }
2166
2167 /*See the comments for mpi_ssp_completion */
2168 static void
2169 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2170 {
2171         struct sas_task *t;
2172         struct pm8001_ccb_info *ccb;
2173         u32 param;
2174         u32 status;
2175         u32 tag;
2176         int i, j;
2177         u8 sata_addr_low[4];
2178         u32 temp_sata_addr_low;
2179         u8 sata_addr_hi[4];
2180         u32 temp_sata_addr_hi;
2181         struct sata_completion_resp *psataPayload;
2182         struct task_status_struct *ts;
2183         struct ata_task_resp *resp ;
2184         u32 *sata_resp;
2185         struct pm8001_device *pm8001_dev;
2186         unsigned long flags;
2187
2188         psataPayload = (struct sata_completion_resp *)(piomb + 4);
2189         status = le32_to_cpu(psataPayload->status);
2190         param = le32_to_cpu(psataPayload->param);
2191         tag = le32_to_cpu(psataPayload->tag);
2192
2193         ccb = &pm8001_ha->ccb_info[tag];
2194         t = ccb->task;
2195         pm8001_dev = ccb->device;
2196
2197         if (t) {
2198                 if (t->dev && (t->dev->lldd_dev))
2199                         pm8001_dev = t->dev->lldd_dev;
2200         } else {
2201                 pm8001_dbg(pm8001_ha, FAIL, "task null, freeing CCB tag %d\n",
2202                            ccb->ccb_tag);
2203                 pm8001_ccb_free(pm8001_ha, ccb);
2204                 return;
2205         }
2206
2207         if (pm8001_dev && unlikely(!t || !t->lldd_task || !t->dev)) {
2208                 pm8001_dbg(pm8001_ha, FAIL, "task or dev null\n");
2209                 return;
2210         }
2211
2212         ts = &t->task_status;
2213
2214         if (status)
2215                 pm8001_dbg(pm8001_ha, IOERR,
2216                            "status:0x%x, tag:0x%x, task::0x%p\n",
2217                            status, tag, t);
2218
2219         /* Print sas address of IO failed device */
2220         if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
2221                 (status != IO_UNDERFLOW)) {
2222                 if (!((t->dev->parent) &&
2223                         (dev_is_expander(t->dev->parent->dev_type)))) {
2224                         for (i = 0, j = 4; j <= 7 && i <= 3; i++, j++)
2225                                 sata_addr_low[i] = pm8001_ha->sas_addr[j];
2226                         for (i = 0, j = 0; j <= 3 && i <= 3; i++, j++)
2227                                 sata_addr_hi[i] = pm8001_ha->sas_addr[j];
2228                         memcpy(&temp_sata_addr_low, sata_addr_low,
2229                                 sizeof(sata_addr_low));
2230                         memcpy(&temp_sata_addr_hi, sata_addr_hi,
2231                                 sizeof(sata_addr_hi));
2232                         temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
2233                                                 |((temp_sata_addr_hi << 8) &
2234                                                 0xff0000) |
2235                                                 ((temp_sata_addr_hi >> 8)
2236                                                 & 0xff00) |
2237                                                 ((temp_sata_addr_hi << 24) &
2238                                                 0xff000000));
2239                         temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
2240                                                 & 0xff) |
2241                                                 ((temp_sata_addr_low << 8)
2242                                                 & 0xff0000) |
2243                                                 ((temp_sata_addr_low >> 8)
2244                                                 & 0xff00) |
2245                                                 ((temp_sata_addr_low << 24)
2246                                                 & 0xff000000)) +
2247                                                 pm8001_dev->attached_phy +
2248                                                 0x10);
2249                         pm8001_dbg(pm8001_ha, FAIL,
2250                                    "SAS Address of IO Failure Drive:%08x%08x\n",
2251                                    temp_sata_addr_hi,
2252                                    temp_sata_addr_low);
2253                 } else {
2254                         pm8001_dbg(pm8001_ha, FAIL,
2255                                    "SAS Address of IO Failure Drive:%016llx\n",
2256                                    SAS_ADDR(t->dev->sas_addr));
2257                 }
2258         }
2259         switch (status) {
2260         case IO_SUCCESS:
2261                 pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2262                 if (param == 0) {
2263                         ts->resp = SAS_TASK_COMPLETE;
2264                         ts->stat = SAS_SAM_STAT_GOOD;
2265                 } else {
2266                         u8 len;
2267                         ts->resp = SAS_TASK_COMPLETE;
2268                         ts->stat = SAS_PROTO_RESPONSE;
2269                         ts->residual = param;
2270                         pm8001_dbg(pm8001_ha, IO,
2271                                    "SAS_PROTO_RESPONSE len = %d\n",
2272                                    param);
2273                         sata_resp = &psataPayload->sata_resp[0];
2274                         resp = (struct ata_task_resp *)ts->buf;
2275                         if (t->ata_task.dma_xfer == 0 &&
2276                             t->data_dir == DMA_FROM_DEVICE) {
2277                                 len = sizeof(struct pio_setup_fis);
2278                                 pm8001_dbg(pm8001_ha, IO,
2279                                            "PIO read len = %d\n", len);
2280                         } else if (t->ata_task.use_ncq &&
2281                                    t->data_dir != DMA_NONE) {
2282                                 len = sizeof(struct set_dev_bits_fis);
2283                                 pm8001_dbg(pm8001_ha, IO, "FPDMA len = %d\n",
2284                                            len);
2285                         } else {
2286                                 len = sizeof(struct dev_to_host_fis);
2287                                 pm8001_dbg(pm8001_ha, IO, "other len = %d\n",
2288                                            len);
2289                         }
2290                         if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2291                                 resp->frame_len = len;
2292                                 memcpy(&resp->ending_fis[0], sata_resp, len);
2293                                 ts->buf_valid_size = sizeof(*resp);
2294                         } else
2295                                 pm8001_dbg(pm8001_ha, IO,
2296                                            "response too large\n");
2297                 }
2298                 if (pm8001_dev)
2299                         atomic_dec(&pm8001_dev->running_req);
2300                 break;
2301         case IO_ABORTED:
2302                 pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB Tag\n");
2303                 ts->resp = SAS_TASK_COMPLETE;
2304                 ts->stat = SAS_ABORTED_TASK;
2305                 if (pm8001_dev)
2306                         atomic_dec(&pm8001_dev->running_req);
2307                 break;
2308                 /* following cases are to do cases */
2309         case IO_UNDERFLOW:
2310                 /* SATA Completion with error */
2311                 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW param = %d\n", param);
2312                 ts->resp = SAS_TASK_COMPLETE;
2313                 ts->stat = SAS_DATA_UNDERRUN;
2314                 ts->residual =  param;
2315                 if (pm8001_dev)
2316                         atomic_dec(&pm8001_dev->running_req);
2317                 break;
2318         case IO_NO_DEVICE:
2319                 pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2320                 ts->resp = SAS_TASK_UNDELIVERED;
2321                 ts->stat = SAS_PHY_DOWN;
2322                 if (pm8001_dev)
2323                         atomic_dec(&pm8001_dev->running_req);
2324                 break;
2325         case IO_XFER_ERROR_BREAK:
2326                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2327                 ts->resp = SAS_TASK_COMPLETE;
2328                 ts->stat = SAS_INTERRUPTED;
2329                 if (pm8001_dev)
2330                         atomic_dec(&pm8001_dev->running_req);
2331                 break;
2332         case IO_XFER_ERROR_PHY_NOT_READY:
2333                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2334                 ts->resp = SAS_TASK_COMPLETE;
2335                 ts->stat = SAS_OPEN_REJECT;
2336                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2337                 if (pm8001_dev)
2338                         atomic_dec(&pm8001_dev->running_req);
2339                 break;
2340         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2341                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2342                 ts->resp = SAS_TASK_COMPLETE;
2343                 ts->stat = SAS_OPEN_REJECT;
2344                 ts->open_rej_reason = SAS_OREJ_EPROTO;
2345                 if (pm8001_dev)
2346                         atomic_dec(&pm8001_dev->running_req);
2347                 break;
2348         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2349                 pm8001_dbg(pm8001_ha, IO,
2350                            "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2351                 ts->resp = SAS_TASK_COMPLETE;
2352                 ts->stat = SAS_OPEN_REJECT;
2353                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2354                 if (pm8001_dev)
2355                         atomic_dec(&pm8001_dev->running_req);
2356                 break;
2357         case IO_OPEN_CNX_ERROR_BREAK:
2358                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2359                 ts->resp = SAS_TASK_COMPLETE;
2360                 ts->stat = SAS_OPEN_REJECT;
2361                 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2362                 if (pm8001_dev)
2363                         atomic_dec(&pm8001_dev->running_req);
2364                 break;
2365         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2366                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2367                 ts->resp = SAS_TASK_COMPLETE;
2368                 ts->stat = SAS_DEV_NO_RESPONSE;
2369                 if (!t->uldd_task) {
2370                         pm8001_handle_event(pm8001_ha,
2371                                 pm8001_dev,
2372                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2373                         ts->resp = SAS_TASK_UNDELIVERED;
2374                         ts->stat = SAS_QUEUE_FULL;
2375                         pm8001_ccb_task_free_done(pm8001_ha, ccb);
2376                         return;
2377                 }
2378                 break;
2379         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2380                 pm8001_dbg(pm8001_ha, IO,
2381                            "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2382                 ts->resp = SAS_TASK_UNDELIVERED;
2383                 ts->stat = SAS_OPEN_REJECT;
2384                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2385                 if (!t->uldd_task) {
2386                         pm8001_handle_event(pm8001_ha,
2387                                 pm8001_dev,
2388                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2389                         ts->resp = SAS_TASK_UNDELIVERED;
2390                         ts->stat = SAS_QUEUE_FULL;
2391                         pm8001_ccb_task_free_done(pm8001_ha, ccb);
2392                         return;
2393                 }
2394                 break;
2395         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2396                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2397                 ts->resp = SAS_TASK_COMPLETE;
2398                 ts->stat = SAS_OPEN_REJECT;
2399                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2400                 if (pm8001_dev)
2401                         atomic_dec(&pm8001_dev->running_req);
2402                 break;
2403         case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2404                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY\n");
2405                 ts->resp = SAS_TASK_COMPLETE;
2406                 ts->stat = SAS_DEV_NO_RESPONSE;
2407                 if (!t->uldd_task) {
2408                         pm8001_handle_event(pm8001_ha,
2409                                 pm8001_dev,
2410                                 IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2411                         ts->resp = SAS_TASK_UNDELIVERED;
2412                         ts->stat = SAS_QUEUE_FULL;
2413                         pm8001_ccb_task_free_done(pm8001_ha, ccb);
2414                         return;
2415                 }
2416                 break;
2417         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2418                 pm8001_dbg(pm8001_ha, IO,
2419                            "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2420                 ts->resp = SAS_TASK_COMPLETE;
2421                 ts->stat = SAS_OPEN_REJECT;
2422                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2423                 if (pm8001_dev)
2424                         atomic_dec(&pm8001_dev->running_req);
2425                 break;
2426         case IO_XFER_ERROR_NAK_RECEIVED:
2427                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2428                 ts->resp = SAS_TASK_COMPLETE;
2429                 ts->stat = SAS_NAK_R_ERR;
2430                 if (pm8001_dev)
2431                         atomic_dec(&pm8001_dev->running_req);
2432                 break;
2433         case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2434                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_ACK_NAK_TIMEOUT\n");
2435                 ts->resp = SAS_TASK_COMPLETE;
2436                 ts->stat = SAS_NAK_R_ERR;
2437                 if (pm8001_dev)
2438                         atomic_dec(&pm8001_dev->running_req);
2439                 break;
2440         case IO_XFER_ERROR_DMA:
2441                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_DMA\n");
2442                 ts->resp = SAS_TASK_COMPLETE;
2443                 ts->stat = SAS_ABORTED_TASK;
2444                 if (pm8001_dev)
2445                         atomic_dec(&pm8001_dev->running_req);
2446                 break;
2447         case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2448                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_SATA_LINK_TIMEOUT\n");
2449                 ts->resp = SAS_TASK_UNDELIVERED;
2450                 ts->stat = SAS_DEV_NO_RESPONSE;
2451                 if (pm8001_dev)
2452                         atomic_dec(&pm8001_dev->running_req);
2453                 break;
2454         case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2455                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2456                 ts->resp = SAS_TASK_COMPLETE;
2457                 ts->stat = SAS_DATA_UNDERRUN;
2458                 if (pm8001_dev)
2459                         atomic_dec(&pm8001_dev->running_req);
2460                 break;
2461         case IO_XFER_OPEN_RETRY_TIMEOUT:
2462                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2463                 ts->resp = SAS_TASK_COMPLETE;
2464                 ts->stat = SAS_OPEN_TO;
2465                 if (pm8001_dev)
2466                         atomic_dec(&pm8001_dev->running_req);
2467                 break;
2468         case IO_PORT_IN_RESET:
2469                 pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2470                 ts->resp = SAS_TASK_COMPLETE;
2471                 ts->stat = SAS_DEV_NO_RESPONSE;
2472                 if (pm8001_dev)
2473                         atomic_dec(&pm8001_dev->running_req);
2474                 break;
2475         case IO_DS_NON_OPERATIONAL:
2476                 pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2477                 ts->resp = SAS_TASK_COMPLETE;
2478                 ts->stat = SAS_DEV_NO_RESPONSE;
2479                 if (!t->uldd_task) {
2480                         pm8001_handle_event(pm8001_ha, pm8001_dev,
2481                                     IO_DS_NON_OPERATIONAL);
2482                         ts->resp = SAS_TASK_UNDELIVERED;
2483                         ts->stat = SAS_QUEUE_FULL;
2484                         pm8001_ccb_task_free_done(pm8001_ha, ccb);
2485                         return;
2486                 }
2487                 break;
2488         case IO_DS_IN_RECOVERY:
2489                 pm8001_dbg(pm8001_ha, IO, "  IO_DS_IN_RECOVERY\n");
2490                 ts->resp = SAS_TASK_COMPLETE;
2491                 ts->stat = SAS_DEV_NO_RESPONSE;
2492                 if (pm8001_dev)
2493                         atomic_dec(&pm8001_dev->running_req);
2494                 break;
2495         case IO_DS_IN_ERROR:
2496                 pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_ERROR\n");
2497                 ts->resp = SAS_TASK_COMPLETE;
2498                 ts->stat = SAS_DEV_NO_RESPONSE;
2499                 if (!t->uldd_task) {
2500                         pm8001_handle_event(pm8001_ha, pm8001_dev,
2501                                     IO_DS_IN_ERROR);
2502                         ts->resp = SAS_TASK_UNDELIVERED;
2503                         ts->stat = SAS_QUEUE_FULL;
2504                         pm8001_ccb_task_free_done(pm8001_ha, ccb);
2505                         return;
2506                 }
2507                 break;
2508         case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2509                 pm8001_dbg(pm8001_ha, IO,
2510                            "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2511                 ts->resp = SAS_TASK_COMPLETE;
2512                 ts->stat = SAS_OPEN_REJECT;
2513                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2514                 if (pm8001_dev)
2515                         atomic_dec(&pm8001_dev->running_req);
2516                 break;
2517         default:
2518                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2519                 /* not allowed case. Therefore, return failed status */
2520                 ts->resp = SAS_TASK_COMPLETE;
2521                 ts->stat = SAS_DEV_NO_RESPONSE;
2522                 if (pm8001_dev)
2523                         atomic_dec(&pm8001_dev->running_req);
2524                 break;
2525         }
2526         spin_lock_irqsave(&t->task_state_lock, flags);
2527         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2528         t->task_state_flags |= SAS_TASK_STATE_DONE;
2529         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2530                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2531                 pm8001_dbg(pm8001_ha, FAIL,
2532                            "task 0x%p done with io_status 0x%x resp 0x%x stat 0x%x but aborted by upper layer!\n",
2533                            t, status, ts->resp, ts->stat);
2534                 pm8001_ccb_task_free(pm8001_ha, ccb);
2535         } else {
2536                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2537                 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2538         }
2539 }
2540
2541 /*See the comments for mpi_ssp_completion */
2542 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
2543 {
2544         struct sas_task *t;
2545         struct task_status_struct *ts;
2546         struct pm8001_ccb_info *ccb;
2547         struct pm8001_device *pm8001_dev;
2548         struct sata_event_resp *psataPayload =
2549                 (struct sata_event_resp *)(piomb + 4);
2550         u32 event = le32_to_cpu(psataPayload->event);
2551         u32 tag = le32_to_cpu(psataPayload->tag);
2552         u32 port_id = le32_to_cpu(psataPayload->port_id);
2553         u32 dev_id = le32_to_cpu(psataPayload->device_id);
2554
2555         if (event)
2556                 pm8001_dbg(pm8001_ha, FAIL, "SATA EVENT 0x%x\n", event);
2557
2558         /* Check if this is NCQ error */
2559         if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
2560                 /* find device using device id */
2561                 pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
2562                 if (pm8001_dev)
2563                         pm8001_handle_event(pm8001_ha,
2564                                 pm8001_dev,
2565                                 IO_XFER_ERROR_ABORTED_NCQ_MODE);
2566                 return;
2567         }
2568
2569         ccb = &pm8001_ha->ccb_info[tag];
2570         t = ccb->task;
2571         pm8001_dev = ccb->device;
2572         if (event)
2573                 pm8001_dbg(pm8001_ha, FAIL, "sata IO status 0x%x\n", event);
2574
2575         if (unlikely(!t)) {
2576                 pm8001_dbg(pm8001_ha, FAIL, "task null, freeing CCB tag %d\n",
2577                            ccb->ccb_tag);
2578                 pm8001_ccb_free(pm8001_ha, ccb);
2579                 return;
2580         }
2581
2582         if (unlikely(!t->lldd_task || !t->dev))
2583                 return;
2584
2585         ts = &t->task_status;
2586         pm8001_dbg(pm8001_ha, DEVIO,
2587                    "port_id:0x%x, device_id:0x%x, tag:0x%x, event:0x%x\n",
2588                    port_id, dev_id, tag, event);
2589         switch (event) {
2590         case IO_OVERFLOW:
2591                 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2592                 ts->resp = SAS_TASK_COMPLETE;
2593                 ts->stat = SAS_DATA_OVERRUN;
2594                 ts->residual = 0;
2595                 break;
2596         case IO_XFER_ERROR_BREAK:
2597                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2598                 ts->resp = SAS_TASK_COMPLETE;
2599                 ts->stat = SAS_INTERRUPTED;
2600                 break;
2601         case IO_XFER_ERROR_PHY_NOT_READY:
2602                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2603                 ts->resp = SAS_TASK_COMPLETE;
2604                 ts->stat = SAS_OPEN_REJECT;
2605                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2606                 break;
2607         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2608                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2609                 ts->resp = SAS_TASK_COMPLETE;
2610                 ts->stat = SAS_OPEN_REJECT;
2611                 ts->open_rej_reason = SAS_OREJ_EPROTO;
2612                 break;
2613         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2614                 pm8001_dbg(pm8001_ha, IO,
2615                            "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2616                 ts->resp = SAS_TASK_COMPLETE;
2617                 ts->stat = SAS_OPEN_REJECT;
2618                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2619                 break;
2620         case IO_OPEN_CNX_ERROR_BREAK:
2621                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2622                 ts->resp = SAS_TASK_COMPLETE;
2623                 ts->stat = SAS_OPEN_REJECT;
2624                 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2625                 break;
2626         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2627                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2628                 ts->resp = SAS_TASK_UNDELIVERED;
2629                 ts->stat = SAS_DEV_NO_RESPONSE;
2630                 if (!t->uldd_task) {
2631                         pm8001_handle_event(pm8001_ha,
2632                                 pm8001_dev,
2633                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2634                         ts->resp = SAS_TASK_COMPLETE;
2635                         ts->stat = SAS_QUEUE_FULL;
2636                         return;
2637                 }
2638                 break;
2639         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2640                 pm8001_dbg(pm8001_ha, IO,
2641                            "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2642                 ts->resp = SAS_TASK_UNDELIVERED;
2643                 ts->stat = SAS_OPEN_REJECT;
2644                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2645                 break;
2646         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2647                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2648                 ts->resp = SAS_TASK_COMPLETE;
2649                 ts->stat = SAS_OPEN_REJECT;
2650                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2651                 break;
2652         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2653                 pm8001_dbg(pm8001_ha, IO,
2654                            "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2655                 ts->resp = SAS_TASK_COMPLETE;
2656                 ts->stat = SAS_OPEN_REJECT;
2657                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2658                 break;
2659         case IO_XFER_ERROR_NAK_RECEIVED:
2660                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_NAK_RECEIVED\n");
2661                 ts->resp = SAS_TASK_COMPLETE;
2662                 ts->stat = SAS_NAK_R_ERR;
2663                 break;
2664         case IO_XFER_ERROR_PEER_ABORTED:
2665                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PEER_ABORTED\n");
2666                 ts->resp = SAS_TASK_COMPLETE;
2667                 ts->stat = SAS_NAK_R_ERR;
2668                 break;
2669         case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2670                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_REJECTED_NCQ_MODE\n");
2671                 ts->resp = SAS_TASK_COMPLETE;
2672                 ts->stat = SAS_DATA_UNDERRUN;
2673                 break;
2674         case IO_XFER_OPEN_RETRY_TIMEOUT:
2675                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2676                 ts->resp = SAS_TASK_COMPLETE;
2677                 ts->stat = SAS_OPEN_TO;
2678                 break;
2679         case IO_XFER_ERROR_UNEXPECTED_PHASE:
2680                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_UNEXPECTED_PHASE\n");
2681                 ts->resp = SAS_TASK_COMPLETE;
2682                 ts->stat = SAS_OPEN_TO;
2683                 break;
2684         case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2685                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_XFER_RDY_OVERRUN\n");
2686                 ts->resp = SAS_TASK_COMPLETE;
2687                 ts->stat = SAS_OPEN_TO;
2688                 break;
2689         case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2690                 pm8001_dbg(pm8001_ha, IO,
2691                            "IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n");
2692                 ts->resp = SAS_TASK_COMPLETE;
2693                 ts->stat = SAS_OPEN_TO;
2694                 break;
2695         case IO_XFER_ERROR_OFFSET_MISMATCH:
2696                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_OFFSET_MISMATCH\n");
2697                 ts->resp = SAS_TASK_COMPLETE;
2698                 ts->stat = SAS_OPEN_TO;
2699                 break;
2700         case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2701                 pm8001_dbg(pm8001_ha, IO,
2702                            "IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n");
2703                 ts->resp = SAS_TASK_COMPLETE;
2704                 ts->stat = SAS_OPEN_TO;
2705                 break;
2706         case IO_XFER_CMD_FRAME_ISSUED:
2707                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_CMD_FRAME_ISSUED\n");
2708                 break;
2709         case IO_XFER_PIO_SETUP_ERROR:
2710                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_PIO_SETUP_ERROR\n");
2711                 ts->resp = SAS_TASK_COMPLETE;
2712                 ts->stat = SAS_OPEN_TO;
2713                 break;
2714         default:
2715                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", event);
2716                 /* not allowed case. Therefore, return failed status */
2717                 ts->resp = SAS_TASK_COMPLETE;
2718                 ts->stat = SAS_OPEN_TO;
2719                 break;
2720         }
2721 }
2722
2723 /*See the comments for mpi_ssp_completion */
2724 static void
2725 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2726 {
2727         struct sas_task *t;
2728         struct pm8001_ccb_info *ccb;
2729         unsigned long flags;
2730         u32 status;
2731         u32 tag;
2732         struct smp_completion_resp *psmpPayload;
2733         struct task_status_struct *ts;
2734         struct pm8001_device *pm8001_dev;
2735
2736         psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2737         status = le32_to_cpu(psmpPayload->status);
2738         tag = le32_to_cpu(psmpPayload->tag);
2739
2740         ccb = &pm8001_ha->ccb_info[tag];
2741         t = ccb->task;
2742         ts = &t->task_status;
2743         pm8001_dev = ccb->device;
2744         if (status) {
2745                 pm8001_dbg(pm8001_ha, FAIL, "smp IO status 0x%x\n", status);
2746                 pm8001_dbg(pm8001_ha, IOERR,
2747                            "status:0x%x, tag:0x%x, task:0x%p\n",
2748                            status, tag, t);
2749         }
2750         if (unlikely(!t || !t->lldd_task || !t->dev))
2751                 return;
2752
2753         switch (status) {
2754         case IO_SUCCESS:
2755                 pm8001_dbg(pm8001_ha, IO, "IO_SUCCESS\n");
2756                 ts->resp = SAS_TASK_COMPLETE;
2757                 ts->stat = SAS_SAM_STAT_GOOD;
2758                 if (pm8001_dev)
2759                         atomic_dec(&pm8001_dev->running_req);
2760                 break;
2761         case IO_ABORTED:
2762                 pm8001_dbg(pm8001_ha, IO, "IO_ABORTED IOMB\n");
2763                 ts->resp = SAS_TASK_COMPLETE;
2764                 ts->stat = SAS_ABORTED_TASK;
2765                 if (pm8001_dev)
2766                         atomic_dec(&pm8001_dev->running_req);
2767                 break;
2768         case IO_OVERFLOW:
2769                 pm8001_dbg(pm8001_ha, IO, "IO_UNDERFLOW\n");
2770                 ts->resp = SAS_TASK_COMPLETE;
2771                 ts->stat = SAS_DATA_OVERRUN;
2772                 ts->residual = 0;
2773                 if (pm8001_dev)
2774                         atomic_dec(&pm8001_dev->running_req);
2775                 break;
2776         case IO_NO_DEVICE:
2777                 pm8001_dbg(pm8001_ha, IO, "IO_NO_DEVICE\n");
2778                 ts->resp = SAS_TASK_COMPLETE;
2779                 ts->stat = SAS_PHY_DOWN;
2780                 break;
2781         case IO_ERROR_HW_TIMEOUT:
2782                 pm8001_dbg(pm8001_ha, IO, "IO_ERROR_HW_TIMEOUT\n");
2783                 ts->resp = SAS_TASK_COMPLETE;
2784                 ts->stat = SAS_SAM_STAT_BUSY;
2785                 break;
2786         case IO_XFER_ERROR_BREAK:
2787                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_BREAK\n");
2788                 ts->resp = SAS_TASK_COMPLETE;
2789                 ts->stat = SAS_SAM_STAT_BUSY;
2790                 break;
2791         case IO_XFER_ERROR_PHY_NOT_READY:
2792                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_PHY_NOT_READY\n");
2793                 ts->resp = SAS_TASK_COMPLETE;
2794                 ts->stat = SAS_SAM_STAT_BUSY;
2795                 break;
2796         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2797                 pm8001_dbg(pm8001_ha, IO,
2798                            "IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n");
2799                 ts->resp = SAS_TASK_COMPLETE;
2800                 ts->stat = SAS_OPEN_REJECT;
2801                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2802                 break;
2803         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2804                 pm8001_dbg(pm8001_ha, IO,
2805                            "IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n");
2806                 ts->resp = SAS_TASK_COMPLETE;
2807                 ts->stat = SAS_OPEN_REJECT;
2808                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2809                 break;
2810         case IO_OPEN_CNX_ERROR_BREAK:
2811                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_BREAK\n");
2812                 ts->resp = SAS_TASK_COMPLETE;
2813                 ts->stat = SAS_OPEN_REJECT;
2814                 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2815                 break;
2816         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2817                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n");
2818                 ts->resp = SAS_TASK_COMPLETE;
2819                 ts->stat = SAS_OPEN_REJECT;
2820                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2821                 pm8001_handle_event(pm8001_ha,
2822                                 pm8001_dev,
2823                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2824                 break;
2825         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2826                 pm8001_dbg(pm8001_ha, IO,
2827                            "IO_OPEN_CNX_ERROR_BAD_DESTINATION\n");
2828                 ts->resp = SAS_TASK_COMPLETE;
2829                 ts->stat = SAS_OPEN_REJECT;
2830                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2831                 break;
2832         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2833                 pm8001_dbg(pm8001_ha, IO, "IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED\n");
2834                 ts->resp = SAS_TASK_COMPLETE;
2835                 ts->stat = SAS_OPEN_REJECT;
2836                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2837                 break;
2838         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2839                 pm8001_dbg(pm8001_ha, IO,
2840                            "IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n");
2841                 ts->resp = SAS_TASK_COMPLETE;
2842                 ts->stat = SAS_OPEN_REJECT;
2843                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2844                 break;
2845         case IO_XFER_ERROR_RX_FRAME:
2846                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_ERROR_RX_FRAME\n");
2847                 ts->resp = SAS_TASK_COMPLETE;
2848                 ts->stat = SAS_DEV_NO_RESPONSE;
2849                 break;
2850         case IO_XFER_OPEN_RETRY_TIMEOUT:
2851                 pm8001_dbg(pm8001_ha, IO, "IO_XFER_OPEN_RETRY_TIMEOUT\n");
2852                 ts->resp = SAS_TASK_COMPLETE;
2853                 ts->stat = SAS_OPEN_REJECT;
2854                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2855                 break;
2856         case IO_ERROR_INTERNAL_SMP_RESOURCE:
2857                 pm8001_dbg(pm8001_ha, IO, "IO_ERROR_INTERNAL_SMP_RESOURCE\n");
2858                 ts->resp = SAS_TASK_COMPLETE;
2859                 ts->stat = SAS_QUEUE_FULL;
2860                 break;
2861         case IO_PORT_IN_RESET:
2862                 pm8001_dbg(pm8001_ha, IO, "IO_PORT_IN_RESET\n");
2863                 ts->resp = SAS_TASK_COMPLETE;
2864                 ts->stat = SAS_OPEN_REJECT;
2865                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2866                 break;
2867         case IO_DS_NON_OPERATIONAL:
2868                 pm8001_dbg(pm8001_ha, IO, "IO_DS_NON_OPERATIONAL\n");
2869                 ts->resp = SAS_TASK_COMPLETE;
2870                 ts->stat = SAS_DEV_NO_RESPONSE;
2871                 break;
2872         case IO_DS_IN_RECOVERY:
2873                 pm8001_dbg(pm8001_ha, IO, "IO_DS_IN_RECOVERY\n");
2874                 ts->resp = SAS_TASK_COMPLETE;
2875                 ts->stat = SAS_OPEN_REJECT;
2876                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2877                 break;
2878         case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2879                 pm8001_dbg(pm8001_ha, IO,
2880                            "IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n");
2881                 ts->resp = SAS_TASK_COMPLETE;
2882                 ts->stat = SAS_OPEN_REJECT;
2883                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2884                 break;
2885         default:
2886                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown status 0x%x\n", status);
2887                 ts->resp = SAS_TASK_COMPLETE;
2888                 ts->stat = SAS_DEV_NO_RESPONSE;
2889                 /* not allowed case. Therefore, return failed status */
2890                 break;
2891         }
2892         spin_lock_irqsave(&t->task_state_lock, flags);
2893         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2894         t->task_state_flags |= SAS_TASK_STATE_DONE;
2895         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2896                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2897                 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",
2898                            t, status, ts->resp, ts->stat);
2899                 pm8001_ccb_task_free(pm8001_ha, ccb);
2900         } else {
2901                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2902                 pm8001_ccb_task_free_done(pm8001_ha, ccb);
2903         }
2904 }
2905
2906 void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
2907                 void *piomb)
2908 {
2909         struct set_dev_state_resp *pPayload =
2910                 (struct set_dev_state_resp *)(piomb + 4);
2911         u32 tag = le32_to_cpu(pPayload->tag);
2912         struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2913         struct pm8001_device *pm8001_dev = ccb->device;
2914         u32 status = le32_to_cpu(pPayload->status);
2915         u32 device_id = le32_to_cpu(pPayload->device_id);
2916         u8 pds = le32_to_cpu(pPayload->pds_nds) & PDS_BITS;
2917         u8 nds = le32_to_cpu(pPayload->pds_nds) & NDS_BITS;
2918
2919         pm8001_dbg(pm8001_ha, MSG,
2920                    "Set device id = 0x%x state from 0x%x to 0x%x status = 0x%x!\n",
2921                    device_id, pds, nds, status);
2922         complete(pm8001_dev->setds_completion);
2923         pm8001_ccb_free(pm8001_ha, ccb);
2924 }
2925
2926 void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2927 {
2928         struct get_nvm_data_resp *pPayload =
2929                 (struct get_nvm_data_resp *)(piomb + 4);
2930         u32 tag = le32_to_cpu(pPayload->tag);
2931         struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2932         u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
2933
2934         complete(pm8001_ha->nvmd_completion);
2935         pm8001_dbg(pm8001_ha, MSG, "Set nvm data complete!\n");
2936         if ((dlen_status & NVMD_STAT) != 0) {
2937                 pm8001_dbg(pm8001_ha, FAIL, "Set nvm data error %x\n",
2938                                 dlen_status);
2939         }
2940         pm8001_ccb_free(pm8001_ha, ccb);
2941 }
2942
2943 void
2944 pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2945 {
2946         struct fw_control_ex    *fw_control_context;
2947         struct get_nvm_data_resp *pPayload =
2948                 (struct get_nvm_data_resp *)(piomb + 4);
2949         u32 tag = le32_to_cpu(pPayload->tag);
2950         struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2951         u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
2952         u32 ir_tds_bn_dps_das_nvm =
2953                 le32_to_cpu(pPayload->ir_tda_bn_dps_das_nvm);
2954         void *virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr;
2955         fw_control_context = ccb->fw_control_context;
2956
2957         pm8001_dbg(pm8001_ha, MSG, "Get nvm data complete!\n");
2958         if ((dlen_status & NVMD_STAT) != 0) {
2959                 pm8001_dbg(pm8001_ha, FAIL, "Get nvm data error %x\n",
2960                                 dlen_status);
2961                 complete(pm8001_ha->nvmd_completion);
2962                 /* We should free tag during failure also, the tag is not being
2963                  * freed by requesting path anywhere.
2964                  */
2965                 pm8001_ccb_free(pm8001_ha, ccb);
2966                 return;
2967         }
2968         if (ir_tds_bn_dps_das_nvm & IPMode) {
2969                 /* indirect mode - IR bit set */
2970                 pm8001_dbg(pm8001_ha, MSG, "Get NVMD success, IR=1\n");
2971                 if ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == TWI_DEVICE) {
2972                         if (ir_tds_bn_dps_das_nvm == 0x80a80200) {
2973                                 memcpy(pm8001_ha->sas_addr,
2974                                       ((u8 *)virt_addr + 4),
2975                                        SAS_ADDR_SIZE);
2976                                 pm8001_dbg(pm8001_ha, MSG, "Get SAS address from VPD successfully!\n");
2977                         }
2978                 } else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == C_SEEPROM)
2979                         || ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == VPD_FLASH) ||
2980                         ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == EXPAN_ROM)) {
2981                                 ;
2982                 } else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == AAP1_RDUMP)
2983                         || ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == IOP_RDUMP)) {
2984                         ;
2985                 } else {
2986                         /* Should not be happened*/
2987                         pm8001_dbg(pm8001_ha, MSG,
2988                                    "(IR=1)Wrong Device type 0x%x\n",
2989                                    ir_tds_bn_dps_das_nvm);
2990                 }
2991         } else /* direct mode */{
2992                 pm8001_dbg(pm8001_ha, MSG,
2993                            "Get NVMD success, IR=0, dataLen=%d\n",
2994                            (dlen_status & NVMD_LEN) >> 24);
2995         }
2996         /* Though fw_control_context is freed below, usrAddr still needs
2997          * to be updated as this holds the response to the request function
2998          */
2999         memcpy(fw_control_context->usrAddr,
3000                 pm8001_ha->memoryMap.region[NVMD].virt_ptr,
3001                 fw_control_context->len);
3002         kfree(ccb->fw_control_context);
3003         /* To avoid race condition, complete should be
3004          * called after the message is copied to
3005          * fw_control_context->usrAddr
3006          */
3007         complete(pm8001_ha->nvmd_completion);
3008         pm8001_dbg(pm8001_ha, MSG, "Get nvmd data complete!\n");
3009         pm8001_ccb_free(pm8001_ha, ccb);
3010 }
3011
3012 int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
3013 {
3014         u32 tag;
3015         struct local_phy_ctl_resp *pPayload =
3016                 (struct local_phy_ctl_resp *)(piomb + 4);
3017         u32 status = le32_to_cpu(pPayload->status);
3018         u32 phy_id = le32_to_cpu(pPayload->phyop_phyid) & ID_BITS;
3019         u32 phy_op = le32_to_cpu(pPayload->phyop_phyid) & OP_BITS;
3020         tag = le32_to_cpu(pPayload->tag);
3021         if (status != 0) {
3022                 pm8001_dbg(pm8001_ha, MSG,
3023                            "%x phy execute %x phy op failed!\n",
3024                            phy_id, phy_op);
3025         } else {
3026                 pm8001_dbg(pm8001_ha, MSG,
3027                            "%x phy execute %x phy op success!\n",
3028                            phy_id, phy_op);
3029                 pm8001_ha->phy[phy_id].reset_success = true;
3030         }
3031         if (pm8001_ha->phy[phy_id].enable_completion) {
3032                 complete(pm8001_ha->phy[phy_id].enable_completion);
3033                 pm8001_ha->phy[phy_id].enable_completion = NULL;
3034         }
3035         pm8001_tag_free(pm8001_ha, tag);
3036         return 0;
3037 }
3038
3039 /**
3040  * pm8001_bytes_dmaed - one of the interface function communication with libsas
3041  * @pm8001_ha: our hba card information
3042  * @i: which phy that received the event.
3043  *
3044  * when HBA driver received the identify done event or initiate FIS received
3045  * event(for SATA), it will invoke this function to notify the sas layer that
3046  * the sas toplogy has formed, please discover the whole sas domain,
3047  * while receive a broadcast(change) primitive just tell the sas
3048  * layer to discover the changed domain rather than the whole domain.
3049  */
3050 void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
3051 {
3052         struct pm8001_phy *phy = &pm8001_ha->phy[i];
3053         struct asd_sas_phy *sas_phy = &phy->sas_phy;
3054         if (!phy->phy_attached)
3055                 return;
3056
3057         if (phy->phy_type & PORT_TYPE_SAS) {
3058                 struct sas_identify_frame *id;
3059                 id = (struct sas_identify_frame *)phy->frame_rcvd;
3060                 id->dev_type = phy->identify.device_type;
3061                 id->initiator_bits = SAS_PROTOCOL_ALL;
3062                 id->target_bits = phy->identify.target_port_protocols;
3063         } else if (phy->phy_type & PORT_TYPE_SATA) {
3064                 /*Nothing*/
3065         }
3066         pm8001_dbg(pm8001_ha, MSG, "phy %d byte dmaded.\n", i);
3067
3068         sas_phy->frame_rcvd_size = phy->frame_rcvd_size;
3069         sas_notify_port_event(sas_phy, PORTE_BYTES_DMAED, GFP_ATOMIC);
3070 }
3071
3072 /* Get the link rate speed  */
3073 void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate)
3074 {
3075         struct sas_phy *sas_phy = phy->sas_phy.phy;
3076
3077         switch (link_rate) {
3078         case PHY_SPEED_120:
3079                 phy->sas_phy.linkrate = SAS_LINK_RATE_12_0_GBPS;
3080                 break;
3081         case PHY_SPEED_60:
3082                 phy->sas_phy.linkrate = SAS_LINK_RATE_6_0_GBPS;
3083                 break;
3084         case PHY_SPEED_30:
3085                 phy->sas_phy.linkrate = SAS_LINK_RATE_3_0_GBPS;
3086                 break;
3087         case PHY_SPEED_15:
3088                 phy->sas_phy.linkrate = SAS_LINK_RATE_1_5_GBPS;
3089                 break;
3090         }
3091         sas_phy->negotiated_linkrate = phy->sas_phy.linkrate;
3092         sas_phy->maximum_linkrate_hw = phy->maximum_linkrate;
3093         sas_phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3094         sas_phy->maximum_linkrate = phy->maximum_linkrate;
3095         sas_phy->minimum_linkrate = phy->minimum_linkrate;
3096 }
3097
3098 /**
3099  * pm8001_get_attached_sas_addr - extract/generate attached SAS address
3100  * @phy: pointer to asd_phy
3101  * @sas_addr: pointer to buffer where the SAS address is to be written
3102  *
3103  * This function extracts the SAS address from an IDENTIFY frame
3104  * received.  If OOB is SATA, then a SAS address is generated from the
3105  * HA tables.
3106  *
3107  * LOCKING: the frame_rcvd_lock needs to be held since this parses the frame
3108  * buffer.
3109  */
3110 void pm8001_get_attached_sas_addr(struct pm8001_phy *phy,
3111         u8 *sas_addr)
3112 {
3113         if (phy->sas_phy.frame_rcvd[0] == 0x34
3114                 && phy->sas_phy.oob_mode == SATA_OOB_MODE) {
3115                 struct pm8001_hba_info *pm8001_ha = phy->sas_phy.ha->lldd_ha;
3116                 /* FIS device-to-host */
3117                 u64 addr = be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr);
3118                 addr += phy->sas_phy.id;
3119                 *(__be64 *)sas_addr = cpu_to_be64(addr);
3120         } else {
3121                 struct sas_identify_frame *idframe =
3122                         (void *) phy->sas_phy.frame_rcvd;
3123                 memcpy(sas_addr, idframe->sas_addr, SAS_ADDR_SIZE);
3124         }
3125 }
3126
3127 /**
3128  * pm8001_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
3129  * @pm8001_ha: our hba card information
3130  * @Qnum: the outbound queue message number.
3131  * @SEA: source of event to ack
3132  * @port_id: port id.
3133  * @phyId: phy id.
3134  * @param0: parameter 0.
3135  * @param1: parameter 1.
3136  */
3137 static void pm8001_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
3138         u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
3139 {
3140         struct hw_event_ack_req  payload;
3141         u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
3142
3143         memset((u8 *)&payload, 0, sizeof(payload));
3144         payload.tag = cpu_to_le32(1);
3145         payload.sea_phyid_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
3146                 ((phyId & 0x0F) << 4) | (port_id & 0x0F));
3147         payload.param0 = cpu_to_le32(param0);
3148         payload.param1 = cpu_to_le32(param1);
3149
3150         pm8001_mpi_build_cmd(pm8001_ha, Qnum, opc, &payload, sizeof(payload), 0);
3151 }
3152
3153 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
3154         u32 phyId, u32 phy_op);
3155
3156 /**
3157  * hw_event_sas_phy_up -FW tells me a SAS phy up event.
3158  * @pm8001_ha: our hba card information
3159  * @piomb: IO message buffer
3160  */
3161 static void
3162 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3163 {
3164         struct hw_event_resp *pPayload =
3165                 (struct hw_event_resp *)(piomb + 4);
3166         u32 lr_evt_status_phyid_portid =
3167                 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3168         u8 link_rate =
3169                 (u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3170         u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3171         u8 phy_id =
3172                 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3173         u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3174         u8 portstate = (u8)(npip_portstate & 0x0000000F);
3175         struct pm8001_port *port = &pm8001_ha->port[port_id];
3176         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3177         unsigned long flags;
3178         u8 deviceType = pPayload->sas_identify.dev_type;
3179         phy->port = port;
3180         port->port_id = port_id;
3181         port->port_state =  portstate;
3182         phy->phy_state = PHY_STATE_LINK_UP_SPC;
3183         pm8001_dbg(pm8001_ha, MSG,
3184                    "HW_EVENT_SAS_PHY_UP port id = %d, phy id = %d\n",
3185                    port_id, phy_id);
3186
3187         switch (deviceType) {
3188         case SAS_PHY_UNUSED:
3189                 pm8001_dbg(pm8001_ha, MSG, "device type no device.\n");
3190                 break;
3191         case SAS_END_DEVICE:
3192                 pm8001_dbg(pm8001_ha, MSG, "end device.\n");
3193                 pm8001_chip_phy_ctl_req(pm8001_ha, phy_id,
3194                         PHY_NOTIFY_ENABLE_SPINUP);
3195                 port->port_attached = 1;
3196                 pm8001_get_lrate_mode(phy, link_rate);
3197                 break;
3198         case SAS_EDGE_EXPANDER_DEVICE:
3199                 pm8001_dbg(pm8001_ha, MSG, "expander device.\n");
3200                 port->port_attached = 1;
3201                 pm8001_get_lrate_mode(phy, link_rate);
3202                 break;
3203         case SAS_FANOUT_EXPANDER_DEVICE:
3204                 pm8001_dbg(pm8001_ha, MSG, "fanout expander device.\n");
3205                 port->port_attached = 1;
3206                 pm8001_get_lrate_mode(phy, link_rate);
3207                 break;
3208         default:
3209                 pm8001_dbg(pm8001_ha, DEVIO, "unknown device type(%x)\n",
3210                            deviceType);
3211                 break;
3212         }
3213         phy->phy_type |= PORT_TYPE_SAS;
3214         phy->identify.device_type = deviceType;
3215         phy->phy_attached = 1;
3216         if (phy->identify.device_type == SAS_END_DEVICE)
3217                 phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
3218         else if (phy->identify.device_type != SAS_PHY_UNUSED)
3219                 phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
3220         phy->sas_phy.oob_mode = SAS_OOB_MODE;
3221         sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3222         spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3223         memcpy(phy->frame_rcvd, &pPayload->sas_identify,
3224                 sizeof(struct sas_identify_frame)-4);
3225         phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
3226         pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3227         spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3228         if (pm8001_ha->flags == PM8001F_RUN_TIME)
3229                 mdelay(200);/*delay a moment to wait disk to spinup*/
3230         pm8001_bytes_dmaed(pm8001_ha, phy_id);
3231 }
3232
3233 /**
3234  * hw_event_sata_phy_up -FW tells me a SATA phy up event.
3235  * @pm8001_ha: our hba card information
3236  * @piomb: IO message buffer
3237  */
3238 static void
3239 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3240 {
3241         struct hw_event_resp *pPayload =
3242                 (struct hw_event_resp *)(piomb + 4);
3243         u32 lr_evt_status_phyid_portid =
3244                 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3245         u8 link_rate =
3246                 (u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3247         u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3248         u8 phy_id =
3249                 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3250         u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3251         u8 portstate = (u8)(npip_portstate & 0x0000000F);
3252         struct pm8001_port *port = &pm8001_ha->port[port_id];
3253         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3254         unsigned long flags;
3255         pm8001_dbg(pm8001_ha, DEVIO, "HW_EVENT_SATA_PHY_UP port id = %d, phy id = %d\n",
3256                    port_id, phy_id);
3257         phy->port = port;
3258         port->port_id = port_id;
3259         port->port_state =  portstate;
3260         phy->phy_state = PHY_STATE_LINK_UP_SPC;
3261         port->port_attached = 1;
3262         pm8001_get_lrate_mode(phy, link_rate);
3263         phy->phy_type |= PORT_TYPE_SATA;
3264         phy->phy_attached = 1;
3265         phy->sas_phy.oob_mode = SATA_OOB_MODE;
3266         sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE, GFP_ATOMIC);
3267         spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3268         memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3269                 sizeof(struct dev_to_host_fis));
3270         phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3271         phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3272         phy->identify.device_type = SAS_SATA_DEV;
3273         pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3274         spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3275         pm8001_bytes_dmaed(pm8001_ha, phy_id);
3276 }
3277
3278 /**
3279  * hw_event_phy_down -we should notify the libsas the phy is down.
3280  * @pm8001_ha: our hba card information
3281  * @piomb: IO message buffer
3282  */
3283 static void
3284 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3285 {
3286         struct hw_event_resp *pPayload =
3287                 (struct hw_event_resp *)(piomb + 4);
3288         u32 lr_evt_status_phyid_portid =
3289                 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3290         u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3291         u8 phy_id =
3292                 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3293         u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3294         u8 portstate = (u8)(npip_portstate & 0x0000000F);
3295         struct pm8001_port *port = &pm8001_ha->port[port_id];
3296         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3297         port->port_state =  portstate;
3298         phy->phy_type = 0;
3299         phy->identify.device_type = 0;
3300         phy->phy_attached = 0;
3301         memset(&phy->dev_sas_addr, 0, SAS_ADDR_SIZE);
3302         switch (portstate) {
3303         case PORT_VALID:
3304                 break;
3305         case PORT_INVALID:
3306                 pm8001_dbg(pm8001_ha, MSG, " PortInvalid portID %d\n",
3307                            port_id);
3308                 pm8001_dbg(pm8001_ha, MSG,
3309                            " Last phy Down and port invalid\n");
3310                 port->port_attached = 0;
3311                 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3312                         port_id, phy_id, 0, 0);
3313                 break;
3314         case PORT_IN_RESET:
3315                 pm8001_dbg(pm8001_ha, MSG, " Port In Reset portID %d\n",
3316                            port_id);
3317                 break;
3318         case PORT_NOT_ESTABLISHED:
3319                 pm8001_dbg(pm8001_ha, MSG,
3320                            " phy Down and PORT_NOT_ESTABLISHED\n");
3321                 port->port_attached = 0;
3322                 break;
3323         case PORT_LOSTCOMM:
3324                 pm8001_dbg(pm8001_ha, MSG, " phy Down and PORT_LOSTCOMM\n");
3325                 pm8001_dbg(pm8001_ha, MSG,
3326                            " Last phy Down and port invalid\n");
3327                 port->port_attached = 0;
3328                 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3329                         port_id, phy_id, 0, 0);
3330                 break;
3331         default:
3332                 port->port_attached = 0;
3333                 pm8001_dbg(pm8001_ha, DEVIO, " phy Down and(default) = %x\n",
3334                            portstate);
3335                 break;
3336
3337         }
3338 }
3339
3340 /**
3341  * pm8001_mpi_reg_resp -process register device ID response.
3342  * @pm8001_ha: our hba card information
3343  * @piomb: IO message buffer
3344  *
3345  * when sas layer find a device it will notify LLDD, then the driver register
3346  * the domain device to FW, this event is the return device ID which the FW
3347  * has assigned, from now, inter-communication with FW is no longer using the
3348  * SAS address, use device ID which FW assigned.
3349  */
3350 int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3351 {
3352         u32 status;
3353         u32 device_id;
3354         u32 htag;
3355         struct pm8001_ccb_info *ccb;
3356         struct pm8001_device *pm8001_dev;
3357         struct dev_reg_resp *registerRespPayload =
3358                 (struct dev_reg_resp *)(piomb + 4);
3359
3360         htag = le32_to_cpu(registerRespPayload->tag);
3361         ccb = &pm8001_ha->ccb_info[htag];
3362         pm8001_dev = ccb->device;
3363         status = le32_to_cpu(registerRespPayload->status);
3364         device_id = le32_to_cpu(registerRespPayload->device_id);
3365         pm8001_dbg(pm8001_ha, INIT,
3366                    "register device status %d phy_id 0x%x device_id %d\n",
3367                    status, pm8001_dev->attached_phy, device_id);
3368         switch (status) {
3369         case DEVREG_SUCCESS:
3370                 pm8001_dbg(pm8001_ha, MSG, "DEVREG_SUCCESS\n");
3371                 pm8001_dev->device_id = device_id;
3372                 break;
3373         case DEVREG_FAILURE_OUT_OF_RESOURCE:
3374                 pm8001_dbg(pm8001_ha, MSG, "DEVREG_FAILURE_OUT_OF_RESOURCE\n");
3375                 break;
3376         case DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED:
3377                 pm8001_dbg(pm8001_ha, MSG,
3378                            "DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED\n");
3379                 break;
3380         case DEVREG_FAILURE_INVALID_PHY_ID:
3381                 pm8001_dbg(pm8001_ha, MSG, "DEVREG_FAILURE_INVALID_PHY_ID\n");
3382                 break;
3383         case DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED:
3384                 pm8001_dbg(pm8001_ha, MSG,
3385                            "DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED\n");
3386                 break;
3387         case DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE:
3388                 pm8001_dbg(pm8001_ha, MSG,
3389                            "DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE\n");
3390                 break;
3391         case DEVREG_FAILURE_PORT_NOT_VALID_STATE:
3392                 pm8001_dbg(pm8001_ha, MSG,
3393                            "DEVREG_FAILURE_PORT_NOT_VALID_STATE\n");
3394                 break;
3395         case DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID:
3396                 pm8001_dbg(pm8001_ha, MSG,
3397                            "DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID\n");
3398                 break;
3399         default:
3400                 pm8001_dbg(pm8001_ha, MSG,
3401                            "DEVREG_FAILURE_DEVICE_TYPE_NOT_SUPPORTED\n");
3402                 break;
3403         }
3404         complete(pm8001_dev->dcompletion);
3405         pm8001_ccb_free(pm8001_ha, ccb);
3406         return 0;
3407 }
3408
3409 int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3410 {
3411         u32 status;
3412         u32 device_id;
3413         struct dev_reg_resp *registerRespPayload =
3414                 (struct dev_reg_resp *)(piomb + 4);
3415
3416         status = le32_to_cpu(registerRespPayload->status);
3417         device_id = le32_to_cpu(registerRespPayload->device_id);
3418         if (status != 0)
3419                 pm8001_dbg(pm8001_ha, MSG,
3420                            " deregister device failed ,status = %x, device_id = %x\n",
3421                            status, device_id);
3422         return 0;
3423 }
3424
3425 /**
3426  * pm8001_mpi_fw_flash_update_resp - Response from FW for flash update command.
3427  * @pm8001_ha: our hba card information
3428  * @piomb: IO message buffer
3429  */
3430 int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
3431                 void *piomb)
3432 {
3433         u32 status;
3434         struct fw_flash_Update_resp *ppayload =
3435                 (struct fw_flash_Update_resp *)(piomb + 4);
3436         u32 tag = le32_to_cpu(ppayload->tag);
3437         struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3438
3439         status = le32_to_cpu(ppayload->status);
3440         switch (status) {
3441         case FLASH_UPDATE_COMPLETE_PENDING_REBOOT:
3442                 pm8001_dbg(pm8001_ha, MSG,
3443                            ": FLASH_UPDATE_COMPLETE_PENDING_REBOOT\n");
3444                 break;
3445         case FLASH_UPDATE_IN_PROGRESS:
3446                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_IN_PROGRESS\n");
3447                 break;
3448         case FLASH_UPDATE_HDR_ERR:
3449                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_HDR_ERR\n");
3450                 break;
3451         case FLASH_UPDATE_OFFSET_ERR:
3452                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_OFFSET_ERR\n");
3453                 break;
3454         case FLASH_UPDATE_CRC_ERR:
3455                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_CRC_ERR\n");
3456                 break;
3457         case FLASH_UPDATE_LENGTH_ERR:
3458                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_LENGTH_ERR\n");
3459                 break;
3460         case FLASH_UPDATE_HW_ERR:
3461                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_HW_ERR\n");
3462                 break;
3463         case FLASH_UPDATE_DNLD_NOT_SUPPORTED:
3464                 pm8001_dbg(pm8001_ha, MSG,
3465                            ": FLASH_UPDATE_DNLD_NOT_SUPPORTED\n");
3466                 break;
3467         case FLASH_UPDATE_DISABLED:
3468                 pm8001_dbg(pm8001_ha, MSG, ": FLASH_UPDATE_DISABLED\n");
3469                 break;
3470         default:
3471                 pm8001_dbg(pm8001_ha, DEVIO, "No matched status = %d\n",
3472                            status);
3473                 break;
3474         }
3475         kfree(ccb->fw_control_context);
3476         pm8001_ccb_free(pm8001_ha, ccb);
3477         complete(pm8001_ha->nvmd_completion);
3478         return 0;
3479 }
3480
3481 int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3482 {
3483         u32 status;
3484         int i;
3485         struct general_event_resp *pPayload =
3486                 (struct general_event_resp *)(piomb + 4);
3487         status = le32_to_cpu(pPayload->status);
3488         pm8001_dbg(pm8001_ha, MSG, " status = 0x%x\n", status);
3489         for (i = 0; i < GENERAL_EVENT_PAYLOAD; i++)
3490                 pm8001_dbg(pm8001_ha, MSG, "inb_IOMB_payload[0x%x] 0x%x,\n",
3491                            i,
3492                            pPayload->inb_IOMB_payload[i]);
3493         return 0;
3494 }
3495
3496 int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3497 {
3498         struct sas_task *t;
3499         struct pm8001_ccb_info *ccb;
3500         unsigned long flags;
3501         u32 status ;
3502         u32 tag, scp;
3503         struct task_status_struct *ts;
3504         struct pm8001_device *pm8001_dev;
3505
3506         struct task_abort_resp *pPayload =
3507                 (struct task_abort_resp *)(piomb + 4);
3508
3509         status = le32_to_cpu(pPayload->status);
3510         tag = le32_to_cpu(pPayload->tag);
3511
3512         scp = le32_to_cpu(pPayload->scp);
3513         ccb = &pm8001_ha->ccb_info[tag];
3514         t = ccb->task;
3515         pm8001_dev = ccb->device; /* retrieve device */
3516
3517         if (!t) {
3518                 pm8001_dbg(pm8001_ha, FAIL, " TASK NULL. RETURNING !!!\n");
3519                 return -1;
3520         }
3521
3522         if (t->task_proto == SAS_PROTOCOL_INTERNAL_ABORT)
3523                 atomic_dec(&pm8001_dev->running_req);
3524
3525         ts = &t->task_status;
3526         if (status != 0)
3527                 pm8001_dbg(pm8001_ha, FAIL, "task abort failed status 0x%x ,tag = 0x%x, scp= 0x%x\n",
3528                            status, tag, scp);
3529         switch (status) {
3530         case IO_SUCCESS:
3531                 pm8001_dbg(pm8001_ha, EH, "IO_SUCCESS\n");
3532                 ts->resp = SAS_TASK_COMPLETE;
3533                 ts->stat = SAS_SAM_STAT_GOOD;
3534                 break;
3535         case IO_NOT_VALID:
3536                 pm8001_dbg(pm8001_ha, EH, "IO_NOT_VALID\n");
3537                 ts->resp = TMF_RESP_FUNC_FAILED;
3538                 break;
3539         }
3540         spin_lock_irqsave(&t->task_state_lock, flags);
3541         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3542         t->task_state_flags |= SAS_TASK_STATE_DONE;
3543         spin_unlock_irqrestore(&t->task_state_lock, flags);
3544         pm8001_ccb_task_free(pm8001_ha, ccb);
3545         mb();
3546
3547         t->task_done(t);
3548
3549         return 0;
3550 }
3551
3552 /**
3553  * mpi_hw_event -The hw event has come.
3554  * @pm8001_ha: our hba card information
3555  * @piomb: IO message buffer
3556  */
3557 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void *piomb)
3558 {
3559         unsigned long flags;
3560         struct hw_event_resp *pPayload =
3561                 (struct hw_event_resp *)(piomb + 4);
3562         u32 lr_evt_status_phyid_portid =
3563                 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3564         u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3565         u8 phy_id =
3566                 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3567         u16 eventType =
3568                 (u16)((lr_evt_status_phyid_portid & 0x00FFFF00) >> 8);
3569         u8 status =
3570                 (u8)((lr_evt_status_phyid_portid & 0x0F000000) >> 24);
3571         struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3572         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3573         struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3574         pm8001_dbg(pm8001_ha, DEVIO,
3575                    "SPC HW event for portid:%d, phyid:%d, event:%x, status:%x\n",
3576                    port_id, phy_id, eventType, status);
3577         switch (eventType) {
3578         case HW_EVENT_PHY_START_STATUS:
3579                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS status = %x\n",
3580                            status);
3581                 if (status == 0)
3582                         phy->phy_state = 1;
3583
3584                 if (pm8001_ha->flags == PM8001F_RUN_TIME &&
3585                                 phy->enable_completion != NULL) {
3586                         complete(phy->enable_completion);
3587                         phy->enable_completion = NULL;
3588                 }
3589                 break;
3590         case HW_EVENT_SAS_PHY_UP:
3591                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_START_STATUS\n");
3592                 hw_event_sas_phy_up(pm8001_ha, piomb);
3593                 break;
3594         case HW_EVENT_SATA_PHY_UP:
3595                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_PHY_UP\n");
3596                 hw_event_sata_phy_up(pm8001_ha, piomb);
3597                 break;
3598         case HW_EVENT_PHY_STOP_STATUS:
3599                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_STOP_STATUS status = %x\n",
3600                            status);
3601                 if (status == 0)
3602                         phy->phy_state = 0;
3603                 break;
3604         case HW_EVENT_SATA_SPINUP_HOLD:
3605                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_SATA_SPINUP_HOLD\n");
3606                 sas_notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD,
3607                         GFP_ATOMIC);
3608                 break;
3609         case HW_EVENT_PHY_DOWN:
3610                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_DOWN\n");
3611                 sas_notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL,
3612                         GFP_ATOMIC);
3613                 phy->phy_attached = 0;
3614                 phy->phy_state = 0;
3615                 hw_event_phy_down(pm8001_ha, piomb);
3616                 break;
3617         case HW_EVENT_PORT_INVALID:
3618                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_INVALID\n");
3619                 sas_phy_disconnected(sas_phy);
3620                 phy->phy_attached = 0;
3621                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3622                         GFP_ATOMIC);
3623                 break;
3624         /* the broadcast change primitive received, tell the LIBSAS this event
3625         to revalidate the sas domain*/
3626         case HW_EVENT_BROADCAST_CHANGE:
3627                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_CHANGE\n");
3628                 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3629                         port_id, phy_id, 1, 0);
3630                 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3631                 sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3632                 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3633                 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3634                         GFP_ATOMIC);
3635                 break;
3636         case HW_EVENT_PHY_ERROR:
3637                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PHY_ERROR\n");
3638                 sas_phy_disconnected(&phy->sas_phy);
3639                 phy->phy_attached = 0;
3640                 sas_notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR, GFP_ATOMIC);
3641                 break;
3642         case HW_EVENT_BROADCAST_EXP:
3643                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_EXP\n");
3644                 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3645                 sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3646                 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3647                 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3648                         GFP_ATOMIC);
3649                 break;
3650         case HW_EVENT_LINK_ERR_INVALID_DWORD:
3651                 pm8001_dbg(pm8001_ha, MSG,
3652                            "HW_EVENT_LINK_ERR_INVALID_DWORD\n");
3653                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3654                         HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3655                 sas_phy_disconnected(sas_phy);
3656                 phy->phy_attached = 0;
3657                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3658                         GFP_ATOMIC);
3659                 break;
3660         case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3661                 pm8001_dbg(pm8001_ha, MSG,
3662                            "HW_EVENT_LINK_ERR_DISPARITY_ERROR\n");
3663                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3664                         HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3665                         port_id, phy_id, 0, 0);
3666                 sas_phy_disconnected(sas_phy);
3667                 phy->phy_attached = 0;
3668                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3669                         GFP_ATOMIC);
3670                 break;
3671         case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3672                 pm8001_dbg(pm8001_ha, MSG,
3673                            "HW_EVENT_LINK_ERR_CODE_VIOLATION\n");
3674                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3675                         HW_EVENT_LINK_ERR_CODE_VIOLATION,
3676                         port_id, phy_id, 0, 0);
3677                 sas_phy_disconnected(sas_phy);
3678                 phy->phy_attached = 0;
3679                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3680                         GFP_ATOMIC);
3681                 break;
3682         case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3683                 pm8001_dbg(pm8001_ha, MSG,
3684                            "HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n");
3685                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3686                         HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3687                         port_id, phy_id, 0, 0);
3688                 sas_phy_disconnected(sas_phy);
3689                 phy->phy_attached = 0;
3690                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3691                         GFP_ATOMIC);
3692                 break;
3693         case HW_EVENT_MALFUNCTION:
3694                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_MALFUNCTION\n");
3695                 break;
3696         case HW_EVENT_BROADCAST_SES:
3697                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_BROADCAST_SES\n");
3698                 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3699                 sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3700                 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3701                 sas_notify_port_event(sas_phy, PORTE_BROADCAST_RCVD,
3702                         GFP_ATOMIC);
3703                 break;
3704         case HW_EVENT_INBOUND_CRC_ERROR:
3705                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_INBOUND_CRC_ERROR\n");
3706                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3707                         HW_EVENT_INBOUND_CRC_ERROR,
3708                         port_id, phy_id, 0, 0);
3709                 break;
3710         case HW_EVENT_HARD_RESET_RECEIVED:
3711                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_HARD_RESET_RECEIVED\n");
3712                 sas_notify_port_event(sas_phy, PORTE_HARD_RESET, GFP_ATOMIC);
3713                 break;
3714         case HW_EVENT_ID_FRAME_TIMEOUT:
3715                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_ID_FRAME_TIMEOUT\n");
3716                 sas_phy_disconnected(sas_phy);
3717                 phy->phy_attached = 0;
3718                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3719                         GFP_ATOMIC);
3720                 break;
3721         case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3722                 pm8001_dbg(pm8001_ha, MSG,
3723                            "HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n");
3724                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3725                         HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3726                         port_id, phy_id, 0, 0);
3727                 sas_phy_disconnected(sas_phy);
3728                 phy->phy_attached = 0;
3729                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3730                         GFP_ATOMIC);
3731                 break;
3732         case HW_EVENT_PORT_RESET_TIMER_TMO:
3733                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_TIMER_TMO\n");
3734                 sas_phy_disconnected(sas_phy);
3735                 phy->phy_attached = 0;
3736                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3737                         GFP_ATOMIC);
3738                 break;
3739         case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3740                 pm8001_dbg(pm8001_ha, MSG,
3741                            "HW_EVENT_PORT_RECOVERY_TIMER_TMO\n");
3742                 sas_phy_disconnected(sas_phy);
3743                 phy->phy_attached = 0;
3744                 sas_notify_port_event(sas_phy, PORTE_LINK_RESET_ERR,
3745                         GFP_ATOMIC);
3746                 break;
3747         case HW_EVENT_PORT_RECOVER:
3748                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RECOVER\n");
3749                 break;
3750         case HW_EVENT_PORT_RESET_COMPLETE:
3751                 pm8001_dbg(pm8001_ha, MSG, "HW_EVENT_PORT_RESET_COMPLETE\n");
3752                 break;
3753         case EVENT_BROADCAST_ASYNCH_EVENT:
3754                 pm8001_dbg(pm8001_ha, MSG, "EVENT_BROADCAST_ASYNCH_EVENT\n");
3755                 break;
3756         default:
3757                 pm8001_dbg(pm8001_ha, DEVIO, "Unknown event type = %x\n",
3758                            eventType);
3759                 break;
3760         }
3761         return 0;
3762 }
3763
3764 /**
3765  * process_one_iomb - process one outbound Queue memory block
3766  * @pm8001_ha: our hba card information
3767  * @piomb: IO message buffer
3768  */
3769 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3770 {
3771         __le32 pHeader = *(__le32 *)piomb;
3772         u8 opc = (u8)((le32_to_cpu(pHeader)) & 0xFFF);
3773
3774         pm8001_dbg(pm8001_ha, MSG, "process_one_iomb:\n");
3775
3776         switch (opc) {
3777         case OPC_OUB_ECHO:
3778                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_ECHO\n");
3779                 break;
3780         case OPC_OUB_HW_EVENT:
3781                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_HW_EVENT\n");
3782                 mpi_hw_event(pm8001_ha, piomb);
3783                 break;
3784         case OPC_OUB_SSP_COMP:
3785                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_COMP\n");
3786                 mpi_ssp_completion(pm8001_ha, piomb);
3787                 break;
3788         case OPC_OUB_SMP_COMP:
3789                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_COMP\n");
3790                 mpi_smp_completion(pm8001_ha, piomb);
3791                 break;
3792         case OPC_OUB_LOCAL_PHY_CNTRL:
3793                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_LOCAL_PHY_CNTRL\n");
3794                 pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
3795                 break;
3796         case OPC_OUB_DEV_REGIST:
3797                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_REGIST\n");
3798                 pm8001_mpi_reg_resp(pm8001_ha, piomb);
3799                 break;
3800         case OPC_OUB_DEREG_DEV:
3801                 pm8001_dbg(pm8001_ha, MSG, "unregister the device\n");
3802                 pm8001_mpi_dereg_resp(pm8001_ha, piomb);
3803                 break;
3804         case OPC_OUB_GET_DEV_HANDLE:
3805                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEV_HANDLE\n");
3806                 break;
3807         case OPC_OUB_SATA_COMP:
3808                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_COMP\n");
3809                 mpi_sata_completion(pm8001_ha, piomb);
3810                 break;
3811         case OPC_OUB_SATA_EVENT:
3812                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_EVENT\n");
3813                 mpi_sata_event(pm8001_ha, piomb);
3814                 break;
3815         case OPC_OUB_SSP_EVENT:
3816                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_EVENT\n");
3817                 mpi_ssp_event(pm8001_ha, piomb);
3818                 break;
3819         case OPC_OUB_DEV_HANDLE_ARRIV:
3820                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_HANDLE_ARRIV\n");
3821                 /*This is for target*/
3822                 break;
3823         case OPC_OUB_SSP_RECV_EVENT:
3824                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_RECV_EVENT\n");
3825                 /*This is for target*/
3826                 break;
3827         case OPC_OUB_DEV_INFO:
3828                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEV_INFO\n");
3829                 break;
3830         case OPC_OUB_FW_FLASH_UPDATE:
3831                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_FW_FLASH_UPDATE\n");
3832                 pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
3833                 break;
3834         case OPC_OUB_GPIO_RESPONSE:
3835                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_RESPONSE\n");
3836                 break;
3837         case OPC_OUB_GPIO_EVENT:
3838                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GPIO_EVENT\n");
3839                 break;
3840         case OPC_OUB_GENERAL_EVENT:
3841                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GENERAL_EVENT\n");
3842                 pm8001_mpi_general_event(pm8001_ha, piomb);
3843                 break;
3844         case OPC_OUB_SSP_ABORT_RSP:
3845                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SSP_ABORT_RSP\n");
3846                 pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3847                 break;
3848         case OPC_OUB_SATA_ABORT_RSP:
3849                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SATA_ABORT_RSP\n");
3850                 pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3851                 break;
3852         case OPC_OUB_SAS_DIAG_MODE_START_END:
3853                 pm8001_dbg(pm8001_ha, MSG,
3854                            "OPC_OUB_SAS_DIAG_MODE_START_END\n");
3855                 break;
3856         case OPC_OUB_SAS_DIAG_EXECUTE:
3857                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_DIAG_EXECUTE\n");
3858                 break;
3859         case OPC_OUB_GET_TIME_STAMP:
3860                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_TIME_STAMP\n");
3861                 break;
3862         case OPC_OUB_SAS_HW_EVENT_ACK:
3863                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_HW_EVENT_ACK\n");
3864                 break;
3865         case OPC_OUB_PORT_CONTROL:
3866                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_PORT_CONTROL\n");
3867                 break;
3868         case OPC_OUB_SMP_ABORT_RSP:
3869                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SMP_ABORT_RSP\n");
3870                 pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
3871                 break;
3872         case OPC_OUB_GET_NVMD_DATA:
3873                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_NVMD_DATA\n");
3874                 pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
3875                 break;
3876         case OPC_OUB_SET_NVMD_DATA:
3877                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_NVMD_DATA\n");
3878                 pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
3879                 break;
3880         case OPC_OUB_DEVICE_HANDLE_REMOVAL:
3881                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_DEVICE_HANDLE_REMOVAL\n");
3882                 break;
3883         case OPC_OUB_SET_DEVICE_STATE:
3884                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEVICE_STATE\n");
3885                 pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
3886                 break;
3887         case OPC_OUB_GET_DEVICE_STATE:
3888                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_GET_DEVICE_STATE\n");
3889                 break;
3890         case OPC_OUB_SET_DEV_INFO:
3891                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SET_DEV_INFO\n");
3892                 break;
3893         case OPC_OUB_SAS_RE_INITIALIZE:
3894                 pm8001_dbg(pm8001_ha, MSG, "OPC_OUB_SAS_RE_INITIALIZE\n");
3895                 break;
3896         default:
3897                 pm8001_dbg(pm8001_ha, DEVIO,
3898                            "Unknown outbound Queue IOMB OPC = %x\n",
3899                            opc);
3900                 break;
3901         }
3902 }
3903
3904 static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
3905 {
3906         struct outbound_queue_table *circularQ;
3907         void *pMsg1 = NULL;
3908         u8 bc;
3909         u32 ret = MPI_IO_STATUS_FAIL;
3910         unsigned long flags;
3911
3912         spin_lock_irqsave(&pm8001_ha->lock, flags);
3913         circularQ = &pm8001_ha->outbnd_q_tbl[vec];
3914         do {
3915                 ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
3916                 if (MPI_IO_STATUS_SUCCESS == ret) {
3917                         /* process the outbound message */
3918                         process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
3919                         /* free the message from the outbound circular buffer */
3920                         pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
3921                                                         circularQ, bc);
3922                 }
3923                 if (MPI_IO_STATUS_BUSY == ret) {
3924                         /* Update the producer index from SPC */
3925                         circularQ->producer_index =
3926                                 cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
3927                         if (le32_to_cpu(circularQ->producer_index) ==
3928                                 circularQ->consumer_idx)
3929                                 /* OQ is empty */
3930                                 break;
3931                 }
3932         } while (1);
3933         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
3934         return ret;
3935 }
3936
3937 /* DMA_... to our direction translation. */
3938 static const u8 data_dir_flags[] = {
3939         [DMA_BIDIRECTIONAL]     = DATA_DIR_BYRECIPIENT, /* UNSPECIFIED */
3940         [DMA_TO_DEVICE]         = DATA_DIR_OUT,         /* OUTBOUND */
3941         [DMA_FROM_DEVICE]       = DATA_DIR_IN,          /* INBOUND */
3942         [DMA_NONE]              = DATA_DIR_NONE,        /* NO TRANSFER */
3943 };
3944 void
3945 pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd)
3946 {
3947         int i;
3948         struct scatterlist *sg;
3949         struct pm8001_prd *buf_prd = prd;
3950
3951         for_each_sg(scatter, sg, nr, i) {
3952                 buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
3953                 buf_prd->im_len.len = cpu_to_le32(sg_dma_len(sg));
3954                 buf_prd->im_len.e = 0;
3955                 buf_prd++;
3956         }
3957 }
3958
3959 static void build_smp_cmd(u32 deviceID, __le32 hTag, struct smp_req *psmp_cmd)
3960 {
3961         psmp_cmd->tag = hTag;
3962         psmp_cmd->device_id = cpu_to_le32(deviceID);
3963         psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
3964 }
3965
3966 /**
3967  * pm8001_chip_smp_req - send a SMP task to FW
3968  * @pm8001_ha: our hba card information.
3969  * @ccb: the ccb information this request used.
3970  */
3971 static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
3972         struct pm8001_ccb_info *ccb)
3973 {
3974         int elem, rc;
3975         struct sas_task *task = ccb->task;
3976         struct domain_device *dev = task->dev;
3977         struct pm8001_device *pm8001_dev = dev->lldd_dev;
3978         struct scatterlist *sg_req, *sg_resp;
3979         u32 req_len, resp_len;
3980         struct smp_req smp_cmd;
3981         u32 opc;
3982
3983         memset(&smp_cmd, 0, sizeof(smp_cmd));
3984         /*
3985          * DMA-map SMP request, response buffers
3986          */
3987         sg_req = &task->smp_task.smp_req;
3988         elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, DMA_TO_DEVICE);
3989         if (!elem)
3990                 return -ENOMEM;
3991         req_len = sg_dma_len(sg_req);
3992
3993         sg_resp = &task->smp_task.smp_resp;
3994         elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, DMA_FROM_DEVICE);
3995         if (!elem) {
3996                 rc = -ENOMEM;
3997                 goto err_out;
3998         }
3999         resp_len = sg_dma_len(sg_resp);
4000         /* must be in dwords */
4001         if ((req_len & 0x3) || (resp_len & 0x3)) {
4002                 rc = -EINVAL;
4003                 goto err_out_2;
4004         }
4005
4006         opc = OPC_INB_SMP_REQUEST;
4007         smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
4008         smp_cmd.long_smp_req.long_req_addr =
4009                 cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
4010         smp_cmd.long_smp_req.long_req_size =
4011                 cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
4012         smp_cmd.long_smp_req.long_resp_addr =
4013                 cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_resp));
4014         smp_cmd.long_smp_req.long_resp_size =
4015                 cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
4016         build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd);
4017         rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc,
4018                                   &smp_cmd, sizeof(smp_cmd), 0);
4019         if (rc)
4020                 goto err_out_2;
4021
4022         return 0;
4023
4024 err_out_2:
4025         dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
4026                         DMA_FROM_DEVICE);
4027 err_out:
4028         dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
4029                         DMA_TO_DEVICE);
4030         return rc;
4031 }
4032
4033 /**
4034  * pm8001_chip_ssp_io_req - send a SSP task to FW
4035  * @pm8001_ha: our hba card information.
4036  * @ccb: the ccb information this request used.
4037  */
4038 static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
4039         struct pm8001_ccb_info *ccb)
4040 {
4041         struct sas_task *task = ccb->task;
4042         struct domain_device *dev = task->dev;
4043         struct pm8001_device *pm8001_dev = dev->lldd_dev;
4044         struct ssp_ini_io_start_req ssp_cmd;
4045         u32 tag = ccb->ccb_tag;
4046         u64 phys_addr;
4047         u32 opc = OPC_INB_SSPINIIOSTART;
4048         memset(&ssp_cmd, 0, sizeof(ssp_cmd));
4049         memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
4050         ssp_cmd.dir_m_tlr =
4051                 cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);/*0 for
4052         SAS 1.1 compatible TLR*/
4053         ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4054         ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4055         ssp_cmd.tag = cpu_to_le32(tag);
4056         ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4057         memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
4058                task->ssp_task.cmd->cmd_len);
4059
4060         /* fill in PRD (scatter/gather) table, if any */
4061         if (task->num_scatter > 1) {
4062                 pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4063                 phys_addr = ccb->ccb_dma_handle;
4064                 ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(phys_addr));
4065                 ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(phys_addr));
4066                 ssp_cmd.esgl = cpu_to_le32(1<<31);
4067         } else if (task->num_scatter == 1) {
4068                 u64 dma_addr = sg_dma_address(task->scatter);
4069                 ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4070                 ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(dma_addr));
4071                 ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4072                 ssp_cmd.esgl = 0;
4073         } else if (task->num_scatter == 0) {
4074                 ssp_cmd.addr_low = 0;
4075                 ssp_cmd.addr_high = 0;
4076                 ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4077                 ssp_cmd.esgl = 0;
4078         }
4079
4080         return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &ssp_cmd,
4081                                     sizeof(ssp_cmd), 0);
4082 }
4083
4084 static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4085         struct pm8001_ccb_info *ccb)
4086 {
4087         struct sas_task *task = ccb->task;
4088         struct domain_device *dev = task->dev;
4089         struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4090         u32 tag = ccb->ccb_tag;
4091         struct sata_start_req sata_cmd;
4092         u32 hdr_tag, ncg_tag = 0;
4093         u64 phys_addr;
4094         u32 ATAP = 0x0;
4095         u32 dir, retfis = 0;
4096         u32  opc = OPC_INB_SATA_HOST_OPSTART;
4097
4098         memset(&sata_cmd, 0, sizeof(sata_cmd));
4099
4100         if (task->data_dir == DMA_NONE && !task->ata_task.use_ncq) {
4101                 ATAP = 0x04;  /* no data*/
4102                 pm8001_dbg(pm8001_ha, IO, "no data\n");
4103         } else if (likely(!task->ata_task.device_control_reg_update)) {
4104                 if (task->ata_task.use_ncq &&
4105                     dev->sata_dev.class != ATA_DEV_ATAPI) {
4106                         ATAP = 0x07; /* FPDMA */
4107                         pm8001_dbg(pm8001_ha, IO, "FPDMA\n");
4108                 } else if (task->ata_task.dma_xfer) {
4109                         ATAP = 0x06; /* DMA */
4110                         pm8001_dbg(pm8001_ha, IO, "DMA\n");
4111                 } else {
4112                         ATAP = 0x05; /* PIO*/
4113                         pm8001_dbg(pm8001_ha, IO, "PIO\n");
4114                 }
4115         }
4116         if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
4117                 task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
4118                 ncg_tag = hdr_tag;
4119         }
4120         dir = data_dir_flags[task->data_dir] << 8;
4121         sata_cmd.tag = cpu_to_le32(tag);
4122         sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4123         sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4124         if (task->ata_task.return_fis_on_success)
4125                 retfis = 1;
4126         sata_cmd.retfis_ncqtag_atap_dir_m =
4127                 cpu_to_le32((retfis << 24) | ((ncg_tag & 0xff) << 16) |
4128                             ((ATAP & 0x3f) << 10) | dir);
4129         sata_cmd.sata_fis = task->ata_task.fis;
4130         if (likely(!task->ata_task.device_control_reg_update))
4131                 sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4132         sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4133         /* fill in PRD (scatter/gather) table, if any */
4134         if (task->num_scatter > 1) {
4135                 pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4136                 phys_addr = ccb->ccb_dma_handle;
4137                 sata_cmd.addr_low = lower_32_bits(phys_addr);
4138                 sata_cmd.addr_high = upper_32_bits(phys_addr);
4139                 sata_cmd.esgl = cpu_to_le32(1 << 31);
4140         } else if (task->num_scatter == 1) {
4141                 u64 dma_addr = sg_dma_address(task->scatter);
4142                 sata_cmd.addr_low = lower_32_bits(dma_addr);
4143                 sata_cmd.addr_high = upper_32_bits(dma_addr);
4144                 sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4145                 sata_cmd.esgl = 0;
4146         } else if (task->num_scatter == 0) {
4147                 sata_cmd.addr_low = 0;
4148                 sata_cmd.addr_high = 0;
4149                 sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4150                 sata_cmd.esgl = 0;
4151         }
4152
4153         return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sata_cmd,
4154                                     sizeof(sata_cmd), 0);
4155 }
4156
4157 /**
4158  * pm8001_chip_phy_start_req - start phy via PHY_START COMMAND
4159  * @pm8001_ha: our hba card information.
4160  * @phy_id: the phy id which we wanted to start up.
4161  */
4162 static int
4163 pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4164 {
4165         struct phy_start_req payload;
4166         u32 tag = 0x01;
4167         u32 opcode = OPC_INB_PHYSTART;
4168
4169         memset(&payload, 0, sizeof(payload));
4170         payload.tag = cpu_to_le32(tag);
4171         /*
4172          ** [0:7]   PHY Identifier
4173          ** [8:11]  link rate 1.5G, 3G, 6G
4174          ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b both
4175          ** [14]    0b disable spin up hold; 1b enable spin up hold
4176          */
4177         payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4178                 LINKMODE_AUTO | LINKRATE_15 |
4179                 LINKRATE_30 | LINKRATE_60 | phy_id);
4180         payload.sas_identify.dev_type = SAS_END_DEVICE;
4181         payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4182         memcpy(payload.sas_identify.sas_addr,
4183                 &pm8001_ha->phy[phy_id].dev_sas_addr, SAS_ADDR_SIZE);
4184         payload.sas_identify.phy_id = phy_id;
4185
4186         return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload,
4187                                     sizeof(payload), 0);
4188 }
4189
4190 /**
4191  * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4192  * @pm8001_ha: our hba card information.
4193  * @phy_id: the phy id which we wanted to start up.
4194  */
4195 static int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4196                                     u8 phy_id)
4197 {
4198         struct phy_stop_req payload;
4199         u32 tag = 0x01;
4200         u32 opcode = OPC_INB_PHYSTOP;
4201
4202         memset(&payload, 0, sizeof(payload));
4203         payload.tag = cpu_to_le32(tag);
4204         payload.phy_id = cpu_to_le32(phy_id);
4205
4206         return pm8001_mpi_build_cmd(pm8001_ha, 0, opcode, &payload,
4207                                     sizeof(payload), 0);
4208 }
4209
4210 /*
4211  * see comments on pm8001_mpi_reg_resp.
4212  */
4213 static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4214         struct pm8001_device *pm8001_dev, u32 flag)
4215 {
4216         struct reg_dev_req payload;
4217         u32     opc;
4218         u32 stp_sspsmp_sata = 0x4;
4219         u32 linkrate, phy_id;
4220         int rc;
4221         struct pm8001_ccb_info *ccb;
4222         u8 retryFlag = 0x1;
4223         u16 firstBurstSize = 0;
4224         u16 ITNT = 2000;
4225         struct domain_device *dev = pm8001_dev->sas_device;
4226         struct domain_device *parent_dev = dev->parent;
4227         struct pm8001_port *port = dev->port->lldd_port;
4228
4229         memset(&payload, 0, sizeof(payload));
4230         ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL);
4231         if (!ccb)
4232                 return -SAS_QUEUE_FULL;
4233
4234         payload.tag = cpu_to_le32(ccb->ccb_tag);
4235         if (flag == 1)
4236                 stp_sspsmp_sata = 0x02; /*direct attached sata */
4237         else {
4238                 if (pm8001_dev->dev_type == SAS_SATA_DEV)
4239                         stp_sspsmp_sata = 0x00; /* stp*/
4240                 else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
4241                         dev_is_expander(pm8001_dev->dev_type))
4242                         stp_sspsmp_sata = 0x01; /*ssp or smp*/
4243         }
4244         if (parent_dev && dev_is_expander(parent_dev->dev_type))
4245                 phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4246         else
4247                 phy_id = pm8001_dev->attached_phy;
4248         opc = OPC_INB_REG_DEV;
4249         linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4250                         pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4251         payload.phyid_portid =
4252                 cpu_to_le32(((port->port_id) & 0x0F) |
4253                 ((phy_id & 0x0F) << 4));
4254         payload.dtype_dlr_retry = cpu_to_le32((retryFlag & 0x01) |
4255                 ((linkrate & 0x0F) * 0x1000000) |
4256                 ((stp_sspsmp_sata & 0x03) * 0x10000000));
4257         payload.firstburstsize_ITNexustimeout =
4258                 cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4259         memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4260                 SAS_ADDR_SIZE);
4261
4262         rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4263                                   sizeof(payload), 0);
4264         if (rc)
4265                 pm8001_ccb_free(pm8001_ha, ccb);
4266
4267         return rc;
4268 }
4269
4270 /*
4271  * see comments on pm8001_mpi_reg_resp.
4272  */
4273 int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha,
4274         u32 device_id)
4275 {
4276         struct dereg_dev_req payload;
4277         u32 opc = OPC_INB_DEREG_DEV_HANDLE;
4278
4279         memset(&payload, 0, sizeof(payload));
4280         payload.tag = cpu_to_le32(1);
4281         payload.device_id = cpu_to_le32(device_id);
4282         pm8001_dbg(pm8001_ha, INIT, "unregister device device_id %d\n",
4283                    device_id);
4284
4285         return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4286                                     sizeof(payload), 0);
4287 }
4288
4289 /**
4290  * pm8001_chip_phy_ctl_req - support the local phy operation
4291  * @pm8001_ha: our hba card information.
4292  * @phyId: the phy id which we wanted to operate
4293  * @phy_op: the phy operation to request
4294  */
4295 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4296         u32 phyId, u32 phy_op)
4297 {
4298         struct local_phy_ctl_req payload;
4299         u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4300
4301         memset(&payload, 0, sizeof(payload));
4302         payload.tag = cpu_to_le32(1);
4303         payload.phyop_phyid =
4304                 cpu_to_le32(((phy_op & 0xff) << 8) | (phyId & 0x0F));
4305
4306         return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4307                                     sizeof(payload), 0);
4308 }
4309
4310 static u32 pm8001_chip_is_our_interrupt(struct pm8001_hba_info *pm8001_ha)
4311 {
4312 #ifdef PM8001_USE_MSIX
4313         return 1;
4314 #else
4315         u32 value;
4316
4317         value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4318         if (value)
4319                 return 1;
4320         return 0;
4321 #endif
4322 }
4323
4324 /**
4325  * pm8001_chip_isr - PM8001 isr handler.
4326  * @pm8001_ha: our hba card information.
4327  * @vec: IRQ number
4328  */
4329 static irqreturn_t
4330 pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
4331 {
4332         pm8001_chip_interrupt_disable(pm8001_ha, vec);
4333         pm8001_dbg(pm8001_ha, DEVIO,
4334                    "irq vec %d, ODMR:0x%x\n",
4335                    vec, pm8001_cr32(pm8001_ha, 0, 0x30));
4336         process_oq(pm8001_ha, vec);
4337         pm8001_chip_interrupt_enable(pm8001_ha, vec);
4338         return IRQ_HANDLED;
4339 }
4340
4341 static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc,
4342         u32 dev_id, enum sas_internal_abort type, u32 task_tag, u32 cmd_tag)
4343 {
4344         struct task_abort_req task_abort;
4345
4346         memset(&task_abort, 0, sizeof(task_abort));
4347         if (type == SAS_INTERNAL_ABORT_SINGLE) {
4348                 task_abort.abort_all = 0;
4349                 task_abort.device_id = cpu_to_le32(dev_id);
4350                 task_abort.tag_to_abort = cpu_to_le32(task_tag);
4351         } else if (type == SAS_INTERNAL_ABORT_DEV) {
4352                 task_abort.abort_all = cpu_to_le32(1);
4353                 task_abort.device_id = cpu_to_le32(dev_id);
4354         } else {
4355                 pm8001_dbg(pm8001_ha, EH, "unknown type (%d)\n", type);
4356                 return -EIO;
4357         }
4358
4359         task_abort.tag = cpu_to_le32(cmd_tag);
4360
4361         return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &task_abort,
4362                                     sizeof(task_abort), 0);
4363 }
4364
4365 /*
4366  * pm8001_chip_abort_task - SAS abort task when error or exception happened.
4367  */
4368 int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
4369         struct pm8001_ccb_info *ccb)
4370 {
4371         struct sas_task *task = ccb->task;
4372         struct sas_internal_abort_task *abort = &task->abort_task;
4373         struct pm8001_device *pm8001_dev = ccb->device;
4374         int rc = TMF_RESP_FUNC_FAILED;
4375         u32 opc, device_id;
4376
4377         pm8001_dbg(pm8001_ha, EH, "cmd_tag = %x, abort task tag = 0x%x\n",
4378                    ccb->ccb_tag, abort->tag);
4379         if (pm8001_dev->dev_type == SAS_END_DEVICE)
4380                 opc = OPC_INB_SSP_ABORT;
4381         else if (pm8001_dev->dev_type == SAS_SATA_DEV)
4382                 opc = OPC_INB_SATA_ABORT;
4383         else
4384                 opc = OPC_INB_SMP_ABORT;/* SMP */
4385         device_id = pm8001_dev->device_id;
4386         rc = send_task_abort(pm8001_ha, opc, device_id, abort->type,
4387                              abort->tag, ccb->ccb_tag);
4388         if (rc != TMF_RESP_FUNC_COMPLETE)
4389                 pm8001_dbg(pm8001_ha, EH, "rc= %d\n", rc);
4390         return rc;
4391 }
4392
4393 /**
4394  * pm8001_chip_ssp_tm_req - built the task management command.
4395  * @pm8001_ha: our hba card information.
4396  * @ccb: the ccb information.
4397  * @tmf: task management function.
4398  */
4399 int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
4400         struct pm8001_ccb_info *ccb, struct sas_tmf_task *tmf)
4401 {
4402         struct sas_task *task = ccb->task;
4403         struct domain_device *dev = task->dev;
4404         struct pm8001_device *pm8001_dev = dev->lldd_dev;
4405         u32 opc = OPC_INB_SSPINITMSTART;
4406         struct ssp_ini_tm_start_req sspTMCmd;
4407
4408         memset(&sspTMCmd, 0, sizeof(sspTMCmd));
4409         sspTMCmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4410         sspTMCmd.relate_tag = cpu_to_le32((u32)tmf->tag_of_task_to_be_managed);
4411         sspTMCmd.tmf = cpu_to_le32(tmf->tmf);
4412         memcpy(sspTMCmd.lun, task->ssp_task.LUN, 8);
4413         sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag);
4414         if (pm8001_ha->chip_id != chip_8001)
4415                 sspTMCmd.ds_ads_m = cpu_to_le32(0x08);
4416
4417         return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &sspTMCmd,
4418                                     sizeof(sspTMCmd), 0);
4419 }
4420
4421 int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4422         void *payload)
4423 {
4424         u32 opc = OPC_INB_GET_NVMD_DATA;
4425         u32 nvmd_type;
4426         int rc;
4427         struct pm8001_ccb_info *ccb;
4428         struct get_nvm_data_req nvmd_req;
4429         struct fw_control_ex *fw_control_context;
4430         struct pm8001_ioctl_payload *ioctl_payload = payload;
4431
4432         nvmd_type = ioctl_payload->minor_function;
4433         fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4434         if (!fw_control_context)
4435                 return -ENOMEM;
4436         fw_control_context->usrAddr = (u8 *)ioctl_payload->func_specific;
4437         fw_control_context->len = ioctl_payload->rd_length;
4438         memset(&nvmd_req, 0, sizeof(nvmd_req));
4439
4440         ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4441         if (!ccb) {
4442                 kfree(fw_control_context);
4443                 return -SAS_QUEUE_FULL;
4444         }
4445         ccb->fw_control_context = fw_control_context;
4446
4447         nvmd_req.tag = cpu_to_le32(ccb->ccb_tag);
4448
4449         switch (nvmd_type) {
4450         case TWI_DEVICE: {
4451                 u32 twi_addr, twi_page_size;
4452                 twi_addr = 0xa8;
4453                 twi_page_size = 2;
4454
4455                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4456                         twi_page_size << 8 | TWI_DEVICE);
4457                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4458                 nvmd_req.resp_addr_hi =
4459                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4460                 nvmd_req.resp_addr_lo =
4461                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4462                 break;
4463         }
4464         case C_SEEPROM: {
4465                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4466                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4467                 nvmd_req.resp_addr_hi =
4468                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4469                 nvmd_req.resp_addr_lo =
4470                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4471                 break;
4472         }
4473         case VPD_FLASH: {
4474                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4475                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4476                 nvmd_req.resp_addr_hi =
4477                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4478                 nvmd_req.resp_addr_lo =
4479                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4480                 break;
4481         }
4482         case EXPAN_ROM: {
4483                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4484                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4485                 nvmd_req.resp_addr_hi =
4486                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4487                 nvmd_req.resp_addr_lo =
4488                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4489                 break;
4490         }
4491         case IOP_RDUMP: {
4492                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | IOP_RDUMP);
4493                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->rd_length);
4494                 nvmd_req.vpd_offset = cpu_to_le32(ioctl_payload->offset);
4495                 nvmd_req.resp_addr_hi =
4496                 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4497                 nvmd_req.resp_addr_lo =
4498                 cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4499                 break;
4500         }
4501         default:
4502                 break;
4503         }
4504
4505         rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &nvmd_req,
4506                                   sizeof(nvmd_req), 0);
4507         if (rc) {
4508                 kfree(fw_control_context);
4509                 pm8001_ccb_free(pm8001_ha, ccb);
4510         }
4511         return rc;
4512 }
4513
4514 int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4515         void *payload)
4516 {
4517         u32 opc = OPC_INB_SET_NVMD_DATA;
4518         u32 nvmd_type;
4519         int rc;
4520         struct pm8001_ccb_info *ccb;
4521         struct set_nvm_data_req nvmd_req;
4522         struct fw_control_ex *fw_control_context;
4523         struct pm8001_ioctl_payload *ioctl_payload = payload;
4524
4525         nvmd_type = ioctl_payload->minor_function;
4526         fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4527         if (!fw_control_context)
4528                 return -ENOMEM;
4529
4530         memcpy(pm8001_ha->memoryMap.region[NVMD].virt_ptr,
4531                 &ioctl_payload->func_specific,
4532                 ioctl_payload->wr_length);
4533         memset(&nvmd_req, 0, sizeof(nvmd_req));
4534
4535         ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4536         if (!ccb) {
4537                 kfree(fw_control_context);
4538                 return -SAS_QUEUE_FULL;
4539         }
4540         ccb->fw_control_context = fw_control_context;
4541
4542         nvmd_req.tag = cpu_to_le32(ccb->ccb_tag);
4543         switch (nvmd_type) {
4544         case TWI_DEVICE: {
4545                 u32 twi_addr, twi_page_size;
4546                 twi_addr = 0xa8;
4547                 twi_page_size = 2;
4548                 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4549                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4550                         twi_page_size << 8 | TWI_DEVICE);
4551                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4552                 nvmd_req.resp_addr_hi =
4553                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4554                 nvmd_req.resp_addr_lo =
4555                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4556                 break;
4557         }
4558         case C_SEEPROM:
4559                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4560                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4561                 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4562                 nvmd_req.resp_addr_hi =
4563                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4564                 nvmd_req.resp_addr_lo =
4565                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4566                 break;
4567         case VPD_FLASH:
4568                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4569                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4570                 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4571                 nvmd_req.resp_addr_hi =
4572                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4573                 nvmd_req.resp_addr_lo =
4574                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4575                 break;
4576         case EXPAN_ROM:
4577                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4578                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->wr_length);
4579                 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4580                 nvmd_req.resp_addr_hi =
4581                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4582                 nvmd_req.resp_addr_lo =
4583                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4584                 break;
4585         default:
4586                 break;
4587         }
4588
4589         rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &nvmd_req,
4590                         sizeof(nvmd_req), 0);
4591         if (rc) {
4592                 kfree(fw_control_context);
4593                 pm8001_ccb_free(pm8001_ha, ccb);
4594         }
4595         return rc;
4596 }
4597
4598 /**
4599  * pm8001_chip_fw_flash_update_build - support the firmware update operation
4600  * @pm8001_ha: our hba card information.
4601  * @fw_flash_updata_info: firmware flash update param
4602  * @tag: Tag to apply to the payload
4603  */
4604 int
4605 pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
4606         void *fw_flash_updata_info, u32 tag)
4607 {
4608         struct fw_flash_Update_req payload;
4609         struct fw_flash_updata_info *info;
4610         u32 opc = OPC_INB_FW_FLASH_UPDATE;
4611
4612         memset(&payload, 0, sizeof(struct fw_flash_Update_req));
4613         info = fw_flash_updata_info;
4614         payload.tag = cpu_to_le32(tag);
4615         payload.cur_image_len = cpu_to_le32(info->cur_image_len);
4616         payload.cur_image_offset = cpu_to_le32(info->cur_image_offset);
4617         payload.total_image_len = cpu_to_le32(info->total_image_len);
4618         payload.len = info->sgl.im_len.len ;
4619         payload.sgl_addr_lo =
4620                 cpu_to_le32(lower_32_bits(le64_to_cpu(info->sgl.addr)));
4621         payload.sgl_addr_hi =
4622                 cpu_to_le32(upper_32_bits(le64_to_cpu(info->sgl.addr)));
4623
4624         return pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4625                                     sizeof(payload), 0);
4626 }
4627
4628 int
4629 pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
4630         void *payload)
4631 {
4632         struct fw_flash_updata_info flash_update_info;
4633         struct fw_control_info *fw_control;
4634         struct fw_control_ex *fw_control_context;
4635         int rc;
4636         struct pm8001_ccb_info *ccb;
4637         void *buffer = pm8001_ha->memoryMap.region[FW_FLASH].virt_ptr;
4638         dma_addr_t phys_addr = pm8001_ha->memoryMap.region[FW_FLASH].phys_addr;
4639         struct pm8001_ioctl_payload *ioctl_payload = payload;
4640
4641         fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4642         if (!fw_control_context)
4643                 return -ENOMEM;
4644         fw_control = (struct fw_control_info *)&ioctl_payload->func_specific;
4645         pm8001_dbg(pm8001_ha, DEVIO,
4646                    "dma fw_control context input length :%x\n",
4647                    fw_control->len);
4648         memcpy(buffer, fw_control->buffer, fw_control->len);
4649         flash_update_info.sgl.addr = cpu_to_le64(phys_addr);
4650         flash_update_info.sgl.im_len.len = cpu_to_le32(fw_control->len);
4651         flash_update_info.sgl.im_len.e = 0;
4652         flash_update_info.cur_image_offset = fw_control->offset;
4653         flash_update_info.cur_image_len = fw_control->len;
4654         flash_update_info.total_image_len = fw_control->size;
4655         fw_control_context->fw_control = fw_control;
4656         fw_control_context->virtAddr = buffer;
4657         fw_control_context->phys_addr = phys_addr;
4658         fw_control_context->len = fw_control->len;
4659
4660         ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4661         if (!ccb) {
4662                 kfree(fw_control_context);
4663                 return -SAS_QUEUE_FULL;
4664         }
4665         ccb->fw_control_context = fw_control_context;
4666
4667         rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info,
4668                                                ccb->ccb_tag);
4669         if (rc) {
4670                 kfree(fw_control_context);
4671                 pm8001_ccb_free(pm8001_ha, ccb);
4672         }
4673
4674         return rc;
4675 }
4676
4677 ssize_t
4678 pm8001_get_gsm_dump(struct device *cdev, u32 length, char *buf)
4679 {
4680         u32 value, rem, offset = 0, bar = 0;
4681         u32 index, work_offset, dw_length;
4682         u32 shift_value, gsm_base, gsm_dump_offset;
4683         char *direct_data;
4684         struct Scsi_Host *shost = class_to_shost(cdev);
4685         struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
4686         struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
4687
4688         direct_data = buf;
4689         gsm_dump_offset = pm8001_ha->fatal_forensic_shift_offset;
4690
4691         /* check max is 1 Mbytes */
4692         if ((length > 0x100000) || (gsm_dump_offset & 3) ||
4693                 ((gsm_dump_offset + length) > 0x1000000))
4694                         return -EINVAL;
4695
4696         if (pm8001_ha->chip_id == chip_8001)
4697                 bar = 2;
4698         else
4699                 bar = 1;
4700
4701         work_offset = gsm_dump_offset & 0xFFFF0000;
4702         offset = gsm_dump_offset & 0x0000FFFF;
4703         gsm_dump_offset = work_offset;
4704         /* adjust length to dword boundary */
4705         rem = length & 3;
4706         dw_length = length >> 2;
4707
4708         for (index = 0; index < dw_length; index++) {
4709                 if ((work_offset + offset) & 0xFFFF0000) {
4710                         if (pm8001_ha->chip_id == chip_8001)
4711                                 shift_value = ((gsm_dump_offset + offset) &
4712                                                 SHIFT_REG_64K_MASK);
4713                         else
4714                                 shift_value = (((gsm_dump_offset + offset) &
4715                                                 SHIFT_REG_64K_MASK) >>
4716                                                 SHIFT_REG_BIT_SHIFT);
4717
4718                         if (pm8001_ha->chip_id == chip_8001) {
4719                                 gsm_base = GSM_BASE;
4720                                 if (-1 == pm8001_bar4_shift(pm8001_ha,
4721                                                 (gsm_base + shift_value)))
4722                                         return -EIO;
4723                         } else {
4724                                 gsm_base = 0;
4725                                 if (-1 == pm80xx_bar4_shift(pm8001_ha,
4726                                                 (gsm_base + shift_value)))
4727                                         return -EIO;
4728                         }
4729                         gsm_dump_offset = (gsm_dump_offset + offset) &
4730                                                 0xFFFF0000;
4731                         work_offset = 0;
4732                         offset = offset & 0x0000FFFF;
4733                 }
4734                 value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
4735                                                 0x0000FFFF);
4736                 direct_data += sprintf(direct_data, "%08x ", value);
4737                 offset += 4;
4738         }
4739         if (rem != 0) {
4740                 value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
4741                                                 0x0000FFFF);
4742                 /* xfr for non_dw */
4743                 direct_data += sprintf(direct_data, "%08x ", value);
4744         }
4745         /* Shift back to BAR4 original address */
4746         if (-1 == pm8001_bar4_shift(pm8001_ha, 0))
4747                         return -EIO;
4748         pm8001_ha->fatal_forensic_shift_offset += 1024;
4749
4750         if (pm8001_ha->fatal_forensic_shift_offset >= 0x100000)
4751                 pm8001_ha->fatal_forensic_shift_offset = 0;
4752         return direct_data - buf;
4753 }
4754
4755 int
4756 pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
4757         struct pm8001_device *pm8001_dev, u32 state)
4758 {
4759         struct set_dev_state_req payload;
4760         struct pm8001_ccb_info *ccb;
4761         int rc;
4762         u32 opc = OPC_INB_SET_DEVICE_STATE;
4763
4764         memset(&payload, 0, sizeof(payload));
4765
4766         ccb = pm8001_ccb_alloc(pm8001_ha, pm8001_dev, NULL);
4767         if (!ccb)
4768                 return -SAS_QUEUE_FULL;
4769
4770         payload.tag = cpu_to_le32(ccb->ccb_tag);
4771         payload.device_id = cpu_to_le32(pm8001_dev->device_id);
4772         payload.nds = cpu_to_le32(state);
4773
4774         rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4775                                   sizeof(payload), 0);
4776         if (rc)
4777                 pm8001_ccb_free(pm8001_ha, ccb);
4778
4779         return rc;
4780 }
4781
4782 static int
4783 pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha)
4784 {
4785         struct sas_re_initialization_req payload;
4786         struct pm8001_ccb_info *ccb;
4787         int rc;
4788         u32 opc = OPC_INB_SAS_RE_INITIALIZE;
4789
4790         memset(&payload, 0, sizeof(payload));
4791
4792         ccb = pm8001_ccb_alloc(pm8001_ha, NULL, NULL);
4793         if (!ccb)
4794                 return -SAS_QUEUE_FULL;
4795
4796         payload.tag = cpu_to_le32(ccb->ccb_tag);
4797         payload.SSAHOLT = cpu_to_le32(0xd << 25);
4798         payload.sata_hol_tmo = cpu_to_le32(80);
4799         payload.open_reject_cmdretries_data_retries = cpu_to_le32(0xff00ff);
4800
4801         rc = pm8001_mpi_build_cmd(pm8001_ha, 0, opc, &payload,
4802                                   sizeof(payload), 0);
4803         if (rc)
4804                 pm8001_ccb_free(pm8001_ha, ccb);
4805
4806         return rc;
4807 }
4808
4809 const struct pm8001_dispatch pm8001_8001_dispatch = {
4810         .name                   = "pmc8001",
4811         .chip_init              = pm8001_chip_init,
4812         .chip_post_init         = pm8001_chip_post_init,
4813         .chip_soft_rst          = pm8001_chip_soft_rst,
4814         .chip_rst               = pm8001_hw_chip_rst,
4815         .chip_iounmap           = pm8001_chip_iounmap,
4816         .isr                    = pm8001_chip_isr,
4817         .is_our_interrupt       = pm8001_chip_is_our_interrupt,
4818         .isr_process_oq         = process_oq,
4819         .interrupt_enable       = pm8001_chip_interrupt_enable,
4820         .interrupt_disable      = pm8001_chip_interrupt_disable,
4821         .make_prd               = pm8001_chip_make_sg,
4822         .smp_req                = pm8001_chip_smp_req,
4823         .ssp_io_req             = pm8001_chip_ssp_io_req,
4824         .sata_req               = pm8001_chip_sata_req,
4825         .phy_start_req          = pm8001_chip_phy_start_req,
4826         .phy_stop_req           = pm8001_chip_phy_stop_req,
4827         .reg_dev_req            = pm8001_chip_reg_dev_req,
4828         .dereg_dev_req          = pm8001_chip_dereg_dev_req,
4829         .phy_ctl_req            = pm8001_chip_phy_ctl_req,
4830         .task_abort             = pm8001_chip_abort_task,
4831         .ssp_tm_req             = pm8001_chip_ssp_tm_req,
4832         .get_nvmd_req           = pm8001_chip_get_nvmd_req,
4833         .set_nvmd_req           = pm8001_chip_set_nvmd_req,
4834         .fw_flash_update_req    = pm8001_chip_fw_flash_update_req,
4835         .set_dev_state_req      = pm8001_chip_set_dev_state_req,
4836         .sas_re_init_req        = pm8001_chip_sas_re_initialization,
4837         .fatal_errors           = pm80xx_fatal_errors,
4838 };