drivers/scsi/pm8001/pm8001_hwi.c

   1 /*
   2  * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
   3  *
   4  * Copyright (c) 2008-2009 USI Co., Ltd.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions, and the following disclaimer,
  12  *    without modification.
  13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
  14  *    substantially similar to the "NO WARRANTY" disclaimer below
  15  *    ("Disclaimer") and any redistribution must be conditioned upon
  16  *    including a substantially similar Disclaimer requirement for further
  17  *    binary redistribution.
  18  * 3. Neither the names of the above-listed copyright holders nor the names
  19  *    of any contributors may be used to endorse or promote products derived
  20  *    from this software without specific prior written permission.
  21  *
  22  * Alternatively, this software may be distributed under the terms of the
  23  * GNU General Public License ("GPL") version 2 as published by the Free
  24  * Software Foundation.
  25  *
  26  * NO WARRANTY
  27  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  28  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  29  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
  30  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  31  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  35  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
  36  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  37  * POSSIBILITY OF SUCH DAMAGES.
  38  *
  39  */
  40  #include <linux/slab.h>
  41  #include "pm8001_sas.h"
  42  #include "pm8001_hwi.h"
  43  #include "pm8001_chips.h"
  44  #include "pm8001_ctl.h"
  45
  46 /**
  47  * read_main_config_table - read the configure table and save it.
  48  * @pm8001_ha: our hba card information
  49  */
  50 static void __devinit read_main_config_table(struct pm8001_hba_info *pm8001_ha)
  51 {
  52         void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
  53         pm8001_ha->main_cfg_tbl.signature       = pm8001_mr32(address, 0x00);
  54         pm8001_ha->main_cfg_tbl.interface_rev   = pm8001_mr32(address, 0x04);
  55         pm8001_ha->main_cfg_tbl.firmware_rev    = pm8001_mr32(address, 0x08);
  56         pm8001_ha->main_cfg_tbl.max_out_io      = pm8001_mr32(address, 0x0C);
  57         pm8001_ha->main_cfg_tbl.max_sgl         = pm8001_mr32(address, 0x10);
  58         pm8001_ha->main_cfg_tbl.ctrl_cap_flag   = pm8001_mr32(address, 0x14);
  59         pm8001_ha->main_cfg_tbl.gst_offset      = pm8001_mr32(address, 0x18);
  60         pm8001_ha->main_cfg_tbl.inbound_queue_offset =
  61                 pm8001_mr32(address, MAIN_IBQ_OFFSET);
  62         pm8001_ha->main_cfg_tbl.outbound_queue_offset =
  63                 pm8001_mr32(address, MAIN_OBQ_OFFSET);
  64         pm8001_ha->main_cfg_tbl.hda_mode_flag   =
  65                 pm8001_mr32(address, MAIN_HDA_FLAGS_OFFSET);
  66
  67         /* read analog Setting offset from the configuration table */
  68         pm8001_ha->main_cfg_tbl.anolog_setup_table_offset =
  69                 pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
  70
  71         /* read Error Dump Offset and Length */
  72         pm8001_ha->main_cfg_tbl.fatal_err_dump_offset0 =
  73                 pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
  74         pm8001_ha->main_cfg_tbl.fatal_err_dump_length0 =
  75                 pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
  76         pm8001_ha->main_cfg_tbl.fatal_err_dump_offset1 =
  77                 pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
  78         pm8001_ha->main_cfg_tbl.fatal_err_dump_length1 =
  79                 pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
  80 }
  81
  82 /**
  83  * read_general_status_table - read the general status table and save it.
  84  * @pm8001_ha: our hba card information
  85  */
  86 static void __devinit
  87 read_general_status_table(struct pm8001_hba_info *pm8001_ha)
  88 {
  89         void __iomem *address = pm8001_ha->general_stat_tbl_addr;
  90         pm8001_ha->gs_tbl.gst_len_mpistate      = pm8001_mr32(address, 0x00);
  91         pm8001_ha->gs_tbl.iq_freeze_state0      = pm8001_mr32(address, 0x04);
  92         pm8001_ha->gs_tbl.iq_freeze_state1      = pm8001_mr32(address, 0x08);
  93         pm8001_ha->gs_tbl.msgu_tcnt             = pm8001_mr32(address, 0x0C);
  94         pm8001_ha->gs_tbl.iop_tcnt              = pm8001_mr32(address, 0x10);
  95         pm8001_ha->gs_tbl.reserved              = pm8001_mr32(address, 0x14);
  96         pm8001_ha->gs_tbl.phy_state[0]  = pm8001_mr32(address, 0x18);
  97         pm8001_ha->gs_tbl.phy_state[1]  = pm8001_mr32(address, 0x1C);
  98         pm8001_ha->gs_tbl.phy_state[2]  = pm8001_mr32(address, 0x20);
  99         pm8001_ha->gs_tbl.phy_state[3]  = pm8001_mr32(address, 0x24);
 100         pm8001_ha->gs_tbl.phy_state[4]  = pm8001_mr32(address, 0x28);
 101         pm8001_ha->gs_tbl.phy_state[5]  = pm8001_mr32(address, 0x2C);
 102         pm8001_ha->gs_tbl.phy_state[6]  = pm8001_mr32(address, 0x30);
 103         pm8001_ha->gs_tbl.phy_state[7]  = pm8001_mr32(address, 0x34);
 104         pm8001_ha->gs_tbl.reserved1             = pm8001_mr32(address, 0x38);
 105         pm8001_ha->gs_tbl.reserved2             = pm8001_mr32(address, 0x3C);
 106         pm8001_ha->gs_tbl.reserved3             = pm8001_mr32(address, 0x40);
 107         pm8001_ha->gs_tbl.recover_err_info[0]   = pm8001_mr32(address, 0x44);
 108         pm8001_ha->gs_tbl.recover_err_info[1]   = pm8001_mr32(address, 0x48);
 109         pm8001_ha->gs_tbl.recover_err_info[2]   = pm8001_mr32(address, 0x4C);
 110         pm8001_ha->gs_tbl.recover_err_info[3]   = pm8001_mr32(address, 0x50);
 111         pm8001_ha->gs_tbl.recover_err_info[4]   = pm8001_mr32(address, 0x54);
 112         pm8001_ha->gs_tbl.recover_err_info[5]   = pm8001_mr32(address, 0x58);
 113         pm8001_ha->gs_tbl.recover_err_info[6]   = pm8001_mr32(address, 0x5C);
 114         pm8001_ha->gs_tbl.recover_err_info[7]   = pm8001_mr32(address, 0x60);
 115 }
 116
 117 /**
 118  * read_inbnd_queue_table - read the inbound queue table and save it.
 119  * @pm8001_ha: our hba card information
 120  */
 121 static void __devinit
 122 read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
 123 {
 124         int inbQ_num = 1;
 125         int i;
 126         void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
 127         for (i = 0; i < inbQ_num; i++) {
 128                 u32 offset = i * 0x20;
 129                 pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
 130                       get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
 131                 pm8001_ha->inbnd_q_tbl[i].pi_offset =
 132                         pm8001_mr32(address, (offset + 0x18));
 133         }
 134 }
 135
 136 /**
 137  * read_outbnd_queue_table - read the outbound queue table and save it.
 138  * @pm8001_ha: our hba card information
 139  */
 140 static void __devinit
 141 read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
 142 {
 143         int outbQ_num = 1;
 144         int i;
 145         void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
 146         for (i = 0; i < outbQ_num; i++) {
 147                 u32 offset = i * 0x24;
 148                 pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
 149                       get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
 150                 pm8001_ha->outbnd_q_tbl[i].ci_offset =
 151                         pm8001_mr32(address, (offset + 0x18));
 152         }
 153 }
 154
 155 /**
 156  * init_default_table_values - init the default table.
 157  * @pm8001_ha: our hba card information
 158  */
 159 static void __devinit
 160 init_default_table_values(struct pm8001_hba_info *pm8001_ha)
 161 {
 162         int qn = 1;
 163         int i;
 164         u32 offsetib, offsetob;
 165         void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
 166         void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
 167
 168         pm8001_ha->main_cfg_tbl.inbound_q_nppd_hppd                     = 0;
 169         pm8001_ha->main_cfg_tbl.outbound_hw_event_pid0_3                = 0;
 170         pm8001_ha->main_cfg_tbl.outbound_hw_event_pid4_7                = 0;
 171         pm8001_ha->main_cfg_tbl.outbound_ncq_event_pid0_3               = 0;
 172         pm8001_ha->main_cfg_tbl.outbound_ncq_event_pid4_7               = 0;
 173         pm8001_ha->main_cfg_tbl.outbound_tgt_ITNexus_event_pid0_3       = 0;
 174         pm8001_ha->main_cfg_tbl.outbound_tgt_ITNexus_event_pid4_7       = 0;
 175         pm8001_ha->main_cfg_tbl.outbound_tgt_ssp_event_pid0_3   = 0;
 176         pm8001_ha->main_cfg_tbl.outbound_tgt_ssp_event_pid4_7   = 0;
 177         pm8001_ha->main_cfg_tbl.outbound_tgt_smp_event_pid0_3   = 0;
 178         pm8001_ha->main_cfg_tbl.outbound_tgt_smp_event_pid4_7   = 0;
 179
 180         pm8001_ha->main_cfg_tbl.upper_event_log_addr            =
 181                 pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
 182         pm8001_ha->main_cfg_tbl.lower_event_log_addr            =
 183                 pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
 184         pm8001_ha->main_cfg_tbl.event_log_size  = PM8001_EVENT_LOG_SIZE;
 185         pm8001_ha->main_cfg_tbl.event_log_option                = 0x01;
 186         pm8001_ha->main_cfg_tbl.upper_iop_event_log_addr        =
 187                 pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
 188         pm8001_ha->main_cfg_tbl.lower_iop_event_log_addr        =
 189                 pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
 190         pm8001_ha->main_cfg_tbl.iop_event_log_size      = PM8001_EVENT_LOG_SIZE;
 191         pm8001_ha->main_cfg_tbl.iop_event_log_option            = 0x01;
 192         pm8001_ha->main_cfg_tbl.fatal_err_interrupt             = 0x01;
 193         for (i = 0; i < qn; i++) {
 194                 pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt  =
 195                         0x00000100 | (0x00000040 << 16) | (0x00<<30);
 196                 pm8001_ha->inbnd_q_tbl[i].upper_base_addr       =
 197                         pm8001_ha->memoryMap.region[IB].phys_addr_hi;
 198                 pm8001_ha->inbnd_q_tbl[i].lower_base_addr       =
 199                 pm8001_ha->memoryMap.region[IB].phys_addr_lo;
 200                 pm8001_ha->inbnd_q_tbl[i].base_virt             =
 201                         (u8 *)pm8001_ha->memoryMap.region[IB].virt_ptr;
 202                 pm8001_ha->inbnd_q_tbl[i].total_length          =
 203                         pm8001_ha->memoryMap.region[IB].total_len;
 204                 pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr    =
 205                         pm8001_ha->memoryMap.region[CI].phys_addr_hi;
 206                 pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr    =
 207                         pm8001_ha->memoryMap.region[CI].phys_addr_lo;
 208                 pm8001_ha->inbnd_q_tbl[i].ci_virt               =
 209                         pm8001_ha->memoryMap.region[CI].virt_ptr;
 210                 offsetib = i * 0x20;
 211                 pm8001_ha->inbnd_q_tbl[i].pi_pci_bar            =
 212                         get_pci_bar_index(pm8001_mr32(addressib,
 213                                 (offsetib + 0x14)));
 214                 pm8001_ha->inbnd_q_tbl[i].pi_offset             =
 215                         pm8001_mr32(addressib, (offsetib + 0x18));
 216                 pm8001_ha->inbnd_q_tbl[i].producer_idx          = 0;
 217                 pm8001_ha->inbnd_q_tbl[i].consumer_index        = 0;
 218         }
 219         for (i = 0; i < qn; i++) {
 220                 pm8001_ha->outbnd_q_tbl[i].element_size_cnt     =
 221                         256 | (64 << 16) | (1<<30);
 222                 pm8001_ha->outbnd_q_tbl[i].upper_base_addr      =
 223                         pm8001_ha->memoryMap.region[OB].phys_addr_hi;
 224                 pm8001_ha->outbnd_q_tbl[i].lower_base_addr      =
 225                         pm8001_ha->memoryMap.region[OB].phys_addr_lo;
 226                 pm8001_ha->outbnd_q_tbl[i].base_virt            =
 227                         (u8 *)pm8001_ha->memoryMap.region[OB].virt_ptr;
 228                 pm8001_ha->outbnd_q_tbl[i].total_length         =
 229                         pm8001_ha->memoryMap.region[OB].total_len;
 230                 pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr   =
 231                         pm8001_ha->memoryMap.region[PI].phys_addr_hi;
 232                 pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr   =
 233                         pm8001_ha->memoryMap.region[PI].phys_addr_lo;
 234                 pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay       =
 235                         0 | (10 << 16) | (0 << 24);
 236                 pm8001_ha->outbnd_q_tbl[i].pi_virt              =
 237                         pm8001_ha->memoryMap.region[PI].virt_ptr;
 238                 offsetob = i * 0x24;
 239                 pm8001_ha->outbnd_q_tbl[i].ci_pci_bar           =
 240                         get_pci_bar_index(pm8001_mr32(addressob,
 241                         offsetob + 0x14));
 242                 pm8001_ha->outbnd_q_tbl[i].ci_offset            =
 243                         pm8001_mr32(addressob, (offsetob + 0x18));
 244                 pm8001_ha->outbnd_q_tbl[i].consumer_idx         = 0;
 245                 pm8001_ha->outbnd_q_tbl[i].producer_index       = 0;
 246         }
 247 }
 248
 249 /**
 250  * update_main_config_table - update the main default table to the HBA.
 251  * @pm8001_ha: our hba card information
 252  */
 253 static void __devinit
 254 update_main_config_table(struct pm8001_hba_info *pm8001_ha)
 255 {
 256         void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
 257         pm8001_mw32(address, 0x24,
 258                 pm8001_ha->main_cfg_tbl.inbound_q_nppd_hppd);
 259         pm8001_mw32(address, 0x28,
 260                 pm8001_ha->main_cfg_tbl.outbound_hw_event_pid0_3);
 261         pm8001_mw32(address, 0x2C,
 262                 pm8001_ha->main_cfg_tbl.outbound_hw_event_pid4_7);
 263         pm8001_mw32(address, 0x30,
 264                 pm8001_ha->main_cfg_tbl.outbound_ncq_event_pid0_3);
 265         pm8001_mw32(address, 0x34,
 266                 pm8001_ha->main_cfg_tbl.outbound_ncq_event_pid4_7);
 267         pm8001_mw32(address, 0x38,
 268                 pm8001_ha->main_cfg_tbl.outbound_tgt_ITNexus_event_pid0_3);
 269         pm8001_mw32(address, 0x3C,
 270                 pm8001_ha->main_cfg_tbl.outbound_tgt_ITNexus_event_pid4_7);
 271         pm8001_mw32(address, 0x40,
 272                 pm8001_ha->main_cfg_tbl.outbound_tgt_ssp_event_pid0_3);
 273         pm8001_mw32(address, 0x44,
 274                 pm8001_ha->main_cfg_tbl.outbound_tgt_ssp_event_pid4_7);
 275         pm8001_mw32(address, 0x48,
 276                 pm8001_ha->main_cfg_tbl.outbound_tgt_smp_event_pid0_3);
 277         pm8001_mw32(address, 0x4C,
 278                 pm8001_ha->main_cfg_tbl.outbound_tgt_smp_event_pid4_7);
 279         pm8001_mw32(address, 0x50,
 280                 pm8001_ha->main_cfg_tbl.upper_event_log_addr);
 281         pm8001_mw32(address, 0x54,
 282                 pm8001_ha->main_cfg_tbl.lower_event_log_addr);
 283         pm8001_mw32(address, 0x58, pm8001_ha->main_cfg_tbl.event_log_size);
 284         pm8001_mw32(address, 0x5C, pm8001_ha->main_cfg_tbl.event_log_option);
 285         pm8001_mw32(address, 0x60,
 286                 pm8001_ha->main_cfg_tbl.upper_iop_event_log_addr);
 287         pm8001_mw32(address, 0x64,
 288                 pm8001_ha->main_cfg_tbl.lower_iop_event_log_addr);
 289         pm8001_mw32(address, 0x68, pm8001_ha->main_cfg_tbl.iop_event_log_size);
 290         pm8001_mw32(address, 0x6C,
 291                 pm8001_ha->main_cfg_tbl.iop_event_log_option);
 292         pm8001_mw32(address, 0x70,
 293                 pm8001_ha->main_cfg_tbl.fatal_err_interrupt);
 294 }
 295
 296 /**
 297  * update_inbnd_queue_table - update the inbound queue table to the HBA.
 298  * @pm8001_ha: our hba card information
 299  */
 300 static void __devinit
 301 update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha, int number)
 302 {
 303         void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
 304         u16 offset = number * 0x20;
 305         pm8001_mw32(address, offset + 0x00,
 306                 pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
 307         pm8001_mw32(address, offset + 0x04,
 308                 pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
 309         pm8001_mw32(address, offset + 0x08,
 310                 pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
 311         pm8001_mw32(address, offset + 0x0C,
 312                 pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
 313         pm8001_mw32(address, offset + 0x10,
 314                 pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
 315 }
 316
 317 /**
 318  * update_outbnd_queue_table - update the outbound queue table to the HBA.
 319  * @pm8001_ha: our hba card information
 320  */
 321 static void __devinit
 322 update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha, int number)
 323 {
 324         void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
 325         u16 offset = number * 0x24;
 326         pm8001_mw32(address, offset + 0x00,
 327                 pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
 328         pm8001_mw32(address, offset + 0x04,
 329                 pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
 330         pm8001_mw32(address, offset + 0x08,
 331                 pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
 332         pm8001_mw32(address, offset + 0x0C,
 333                 pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
 334         pm8001_mw32(address, offset + 0x10,
 335                 pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
 336         pm8001_mw32(address, offset + 0x1C,
 337                 pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
 338 }
 339
 340 /**
 341  * pm8001_bar4_shift - function is called to shift BAR base address
 342  * @pm8001_ha : our hba card infomation
 343  * @shiftValue : shifting value in memory bar.
 344  */
 345 int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)
 346 {
 347         u32 regVal;
 348         unsigned long start;
 349
 350         /* program the inbound AXI translation Lower Address */
 351         pm8001_cw32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW, shiftValue);
 352
 353         /* confirm the setting is written */
 354         start = jiffies + HZ; /* 1 sec */
 355         do {
 356                 regVal = pm8001_cr32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW);
 357         } while ((regVal != shiftValue) && time_before(jiffies, start));
 358
 359         if (regVal != shiftValue) {
 360                 PM8001_INIT_DBG(pm8001_ha,
 361                         pm8001_printk("TIMEOUT:SPC_IBW_AXI_TRANSLATION_LOW"
 362                         " = 0x%x\n", regVal));
 363                 return -1;
 364         }
 365         return 0;
 366 }
 367
 368 /**
 369  * mpi_set_phys_g3_with_ssc
 370  * @pm8001_ha: our hba card information
 371  * @SSCbit: set SSCbit to 0 to disable all phys ssc; 1 to enable all phys ssc.
 372  */
 373 static void __devinit
 374 mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha, u32 SSCbit)
 375 {
 376         u32 value, offset, i;
 377         unsigned long flags;
 378
 379 #define SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR 0x00030000
 380 #define SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR 0x00040000
 381 #define SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET 0x1074
 382 #define SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET 0x1074
 383 #define PHY_G3_WITHOUT_SSC_BIT_SHIFT 12
 384 #define PHY_G3_WITH_SSC_BIT_SHIFT 13
 385 #define SNW3_PHY_CAPABILITIES_PARITY 31
 386
 387    /*
 388     * Using shifted destination address 0x3_0000:0x1074 + 0x4000*N (N=0:3)
 389     * Using shifted destination address 0x4_0000:0x1074 + 0x4000*(N-4) (N=4:7)
 390     */
 391         spin_lock_irqsave(&pm8001_ha->lock, flags);
 392         if (-1 == pm8001_bar4_shift(pm8001_ha,
 393                                 SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR)) {
 394                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 395                 return;
 396         }
 397
 398         for (i = 0; i < 4; i++) {
 399                 offset = SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET + 0x4000 * i;
 400                 pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
 401         }
 402         /* shift membase 3 for SAS2_SETTINGS_LOCAL_PHY 4 - 7 */
 403         if (-1 == pm8001_bar4_shift(pm8001_ha,
 404                                 SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR)) {
 405                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 406                 return;
 407         }
 408         for (i = 4; i < 8; i++) {
 409                 offset = SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
 410                 pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
 411         }
 412         /*************************************************************
 413         Change the SSC upspreading value to 0x0 so that upspreading is disabled.
 414         Device MABC SMOD0 Controls
 415         Address: (via MEMBASE-III):
 416         Using shifted destination address 0x0_0000: with Offset 0xD8
 417
 418         31:28 R/W Reserved Do not change
 419         27:24 R/W SAS_SMOD_SPRDUP 0000
 420         23:20 R/W SAS_SMOD_SPRDDN 0000
 421         19:0  R/W  Reserved Do not change
 422         Upon power-up this register will read as 0x8990c016,
 423         and I would like you to change the SAS_SMOD_SPRDUP bits to 0b0000
 424         so that the written value will be 0x8090c016.
 425         This will ensure only down-spreading SSC is enabled on the SPC.
 426         *************************************************************/
 427         value = pm8001_cr32(pm8001_ha, 2, 0xd8);
 428         pm8001_cw32(pm8001_ha, 2, 0xd8, 0x8000C016);
 429
 430         /*set the shifted destination address to 0x0 to avoid error operation */
 431         pm8001_bar4_shift(pm8001_ha, 0x0);
 432         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 433         return;
 434 }
 435
 436 /**
 437  * mpi_set_open_retry_interval_reg
 438  * @pm8001_ha: our hba card information
 439  * @interval - interval time for each OPEN_REJECT (RETRY). The units are in 1us.
 440  */
 441 static void __devinit
 442 mpi_set_open_retry_interval_reg(struct pm8001_hba_info *pm8001_ha,
 443                                 u32 interval)
 444 {
 445         u32 offset;
 446         u32 value;
 447         u32 i;
 448         unsigned long flags;
 449
 450 #define OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR 0x00030000
 451 #define OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR 0x00040000
 452 #define OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET 0x30B4
 453 #define OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET 0x30B4
 454 #define OPEN_RETRY_INTERVAL_REG_MASK 0x0000FFFF
 455
 456         value = interval & OPEN_RETRY_INTERVAL_REG_MASK;
 457         spin_lock_irqsave(&pm8001_ha->lock, flags);
 458         /* shift bar and set the OPEN_REJECT(RETRY) interval time of PHY 0 -3.*/
 459         if (-1 == pm8001_bar4_shift(pm8001_ha,
 460                              OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR)) {
 461                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 462                 return;
 463         }
 464         for (i = 0; i < 4; i++) {
 465                 offset = OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET + 0x4000 * i;
 466                 pm8001_cw32(pm8001_ha, 2, offset, value);
 467         }
 468
 469         if (-1 == pm8001_bar4_shift(pm8001_ha,
 470                              OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR)) {
 471                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 472                 return;
 473         }
 474         for (i = 4; i < 8; i++) {
 475                 offset = OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
 476                 pm8001_cw32(pm8001_ha, 2, offset, value);
 477         }
 478         /*set the shifted destination address to 0x0 to avoid error operation */
 479         pm8001_bar4_shift(pm8001_ha, 0x0);
 480         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 481         return;
 482 }
 483
 484 /**
 485  * mpi_init_check - check firmware initialization status.
 486  * @pm8001_ha: our hba card information
 487  */
 488 static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
 489 {
 490         u32 max_wait_count;
 491         u32 value;
 492         u32 gst_len_mpistate;
 493         /* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
 494         table is updated */
 495         pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_UPDATE);
 496         /* wait until Inbound DoorBell Clear Register toggled */
 497         max_wait_count = 1 * 1000 * 1000;/* 1 sec */
 498         do {
 499                 udelay(1);
 500                 value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
 501                 value &= SPC_MSGU_CFG_TABLE_UPDATE;
 502         } while ((value != 0) && (--max_wait_count));
 503
 504         if (!max_wait_count)
 505                 return -1;
 506         /* check the MPI-State for initialization */
 507         gst_len_mpistate =
 508                 pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
 509                 GST_GSTLEN_MPIS_OFFSET);
 510         if (GST_MPI_STATE_INIT != (gst_len_mpistate & GST_MPI_STATE_MASK))
 511                 return -1;
 512         /* check MPI Initialization error */
 513         gst_len_mpistate = gst_len_mpistate >> 16;
 514         if (0x0000 != gst_len_mpistate)
 515                 return -1;
 516         return 0;
 517 }
 518
 519 /**
 520  * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
 521  * @pm8001_ha: our hba card information
 522  */
 523 static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
 524 {
 525         u32 value, value1;
 526         u32 max_wait_count;
 527         /* check error state */
 528         value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
 529         value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
 530         /* check AAP error */
 531         if (SCRATCH_PAD1_ERR == (value & SCRATCH_PAD_STATE_MASK)) {
 532                 /* error state */
 533                 value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
 534                 return -1;
 535         }
 536
 537         /* check IOP error */
 538         if (SCRATCH_PAD2_ERR == (value1 & SCRATCH_PAD_STATE_MASK)) {
 539                 /* error state */
 540                 value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
 541                 return -1;
 542         }
 543
 544         /* bit 4-31 of scratch pad1 should be zeros if it is not
 545         in error state*/
 546         if (value & SCRATCH_PAD1_STATE_MASK) {
 547                 /* error case */
 548                 pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
 549                 return -1;
 550         }
 551
 552         /* bit 2, 4-31 of scratch pad2 should be zeros if it is not
 553         in error state */
 554         if (value1 & SCRATCH_PAD2_STATE_MASK) {
 555                 /* error case */
 556                 return -1;
 557         }
 558
 559         max_wait_count = 1 * 1000 * 1000;/* 1 sec timeout */
 560
 561         /* wait until scratch pad 1 and 2 registers in ready state  */
 562         do {
 563                 udelay(1);
 564                 value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
 565                         & SCRATCH_PAD1_RDY;
 566                 value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
 567                         & SCRATCH_PAD2_RDY;
 568                 if ((--max_wait_count) == 0)
 569                         return -1;
 570         } while ((value != SCRATCH_PAD1_RDY) || (value1 != SCRATCH_PAD2_RDY));
 571         return 0;
 572 }
 573
 574 static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
 575 {
 576         void __iomem *base_addr;
 577         u32     value;
 578         u32     offset;
 579         u32     pcibar;
 580         u32     pcilogic;
 581
 582         value = pm8001_cr32(pm8001_ha, 0, 0x44);
 583         offset = value & 0x03FFFFFF;
 584         PM8001_INIT_DBG(pm8001_ha,
 585                 pm8001_printk("Scratchpad 0 Offset: %x\n", offset));
 586         pcilogic = (value & 0xFC000000) >> 26;
 587         pcibar = get_pci_bar_index(pcilogic);
 588         PM8001_INIT_DBG(pm8001_ha,
 589                 pm8001_printk("Scratchpad 0 PCI BAR: %d\n", pcibar));
 590         pm8001_ha->main_cfg_tbl_addr = base_addr =
 591                 pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
 592         pm8001_ha->general_stat_tbl_addr =
 593                 base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x18);
 594         pm8001_ha->inbnd_q_tbl_addr =
 595                 base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C);
 596         pm8001_ha->outbnd_q_tbl_addr =
 597                 base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x20);
 598 }
 599
 600 /**
 601  * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
 602  * @pm8001_ha: our hba card information
 603  */
 604 static int __devinit pm8001_chip_init(struct pm8001_hba_info *pm8001_ha)
 605 {
 606         /* check the firmware status */
 607         if (-1 == check_fw_ready(pm8001_ha)) {
 608                 PM8001_FAIL_DBG(pm8001_ha,
 609                         pm8001_printk("Firmware is not ready!\n"));
 610                 return -EBUSY;
 611         }
 612
 613         /* Initialize pci space address eg: mpi offset */
 614         init_pci_device_addresses(pm8001_ha);
 615         init_default_table_values(pm8001_ha);
 616         read_main_config_table(pm8001_ha);
 617         read_general_status_table(pm8001_ha);
 618         read_inbnd_queue_table(pm8001_ha);
 619         read_outbnd_queue_table(pm8001_ha);
 620         /* update main config table ,inbound table and outbound table */
 621         update_main_config_table(pm8001_ha);
 622         update_inbnd_queue_table(pm8001_ha, 0);
 623         update_outbnd_queue_table(pm8001_ha, 0);
 624         mpi_set_phys_g3_with_ssc(pm8001_ha, 0);
 625         /* 7->130ms, 34->500ms, 119->1.5s */
 626         mpi_set_open_retry_interval_reg(pm8001_ha, 119);
 627         /* notify firmware update finished and check initialization status */
 628         if (0 == mpi_init_check(pm8001_ha)) {
 629                 PM8001_INIT_DBG(pm8001_ha,
 630                         pm8001_printk("MPI initialize successful!\n"));
 631         } else
 632                 return -EBUSY;
 633         /*This register is a 16-bit timer with a resolution of 1us. This is the
 634         timer used for interrupt delay/coalescing in the PCIe Application Layer.
 635         Zero is not a valid value. A value of 1 in the register will cause the
 636         interrupts to be normal. A value greater than 1 will cause coalescing
 637         delays.*/
 638         pm8001_cw32(pm8001_ha, 1, 0x0033c0, 0x1);
 639         pm8001_cw32(pm8001_ha, 1, 0x0033c4, 0x0);
 640         return 0;
 641 }
 642
 643 static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
 644 {
 645         u32 max_wait_count;
 646         u32 value;
 647         u32 gst_len_mpistate;
 648         init_pci_device_addresses(pm8001_ha);
 649         /* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
 650         table is stop */
 651         pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_RESET);
 652
 653         /* wait until Inbound DoorBell Clear Register toggled */
 654         max_wait_count = 1 * 1000 * 1000;/* 1 sec */
 655         do {
 656                 udelay(1);
 657                 value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
 658                 value &= SPC_MSGU_CFG_TABLE_RESET;
 659         } while ((value != 0) && (--max_wait_count));
 660
 661         if (!max_wait_count) {
 662                 PM8001_FAIL_DBG(pm8001_ha,
 663                         pm8001_printk("TIMEOUT:IBDB value/=0x%x\n", value));
 664                 return -1;
 665         }
 666
 667         /* check the MPI-State for termination in progress */
 668         /* wait until Inbound DoorBell Clear Register toggled */
 669         max_wait_count = 1 * 1000 * 1000;  /* 1 sec */
 670         do {
 671                 udelay(1);
 672                 gst_len_mpistate =
 673                         pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
 674                         GST_GSTLEN_MPIS_OFFSET);
 675                 if (GST_MPI_STATE_UNINIT ==
 676                         (gst_len_mpistate & GST_MPI_STATE_MASK))
 677                         break;
 678         } while (--max_wait_count);
 679         if (!max_wait_count) {
 680                 PM8001_FAIL_DBG(pm8001_ha,
 681                         pm8001_printk(" TIME OUT MPI State = 0x%x\n",
 682                                 gst_len_mpistate & GST_MPI_STATE_MASK));
 683                 return -1;
 684         }
 685         return 0;
 686 }
 687
 688 /**
 689  * soft_reset_ready_check - Function to check FW is ready for soft reset.
 690  * @pm8001_ha: our hba card information
 691  */
 692 static u32 soft_reset_ready_check(struct pm8001_hba_info *pm8001_ha)
 693 {
 694         u32 regVal, regVal1, regVal2;
 695         if (mpi_uninit_check(pm8001_ha) != 0) {
 696                 PM8001_FAIL_DBG(pm8001_ha,
 697                         pm8001_printk("MPI state is not ready\n"));
 698                 return -1;
 699         }
 700         /* read the scratch pad 2 register bit 2 */
 701         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
 702                 & SCRATCH_PAD2_FWRDY_RST;
 703         if (regVal == SCRATCH_PAD2_FWRDY_RST) {
 704                 PM8001_INIT_DBG(pm8001_ha,
 705                         pm8001_printk("Firmware is ready for reset .\n"));
 706         } else {
 707                 unsigned long flags;
 708                 /* Trigger NMI twice via RB6 */
 709                 spin_lock_irqsave(&pm8001_ha->lock, flags);
 710                 if (-1 == pm8001_bar4_shift(pm8001_ha, RB6_ACCESS_REG)) {
 711                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 712                         PM8001_FAIL_DBG(pm8001_ha,
 713                                 pm8001_printk("Shift Bar4 to 0x%x failed\n",
 714                                         RB6_ACCESS_REG));
 715                         return -1;
 716                 }
 717                 pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET,
 718                         RB6_MAGIC_NUMBER_RST);
 719                 pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET, RB6_MAGIC_NUMBER_RST);
 720                 /* wait for 100 ms */
 721                 mdelay(100);
 722                 regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2) &
 723                         SCRATCH_PAD2_FWRDY_RST;
 724                 if (regVal != SCRATCH_PAD2_FWRDY_RST) {
 725                         regVal1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
 726                         regVal2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
 727                         PM8001_FAIL_DBG(pm8001_ha,
 728                                 pm8001_printk("TIMEOUT:MSGU_SCRATCH_PAD1"
 729                                 "=0x%x, MSGU_SCRATCH_PAD2=0x%x\n",
 730                                 regVal1, regVal2));
 731                         PM8001_FAIL_DBG(pm8001_ha,
 732                                 pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
 733                                 pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0)));
 734                         PM8001_FAIL_DBG(pm8001_ha,
 735                                 pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
 736                                 pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3)));
 737                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 738                         return -1;
 739                 }
 740                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 741         }
 742         return 0;
 743 }
 744
 745 /**
 746  * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
 747  * the FW register status to the originated status.
 748  * @pm8001_ha: our hba card information
 749  * @signature: signature in host scratch pad0 register.
 750  */
 751 static int
 752 pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha, u32 signature)
 753 {
 754         u32     regVal, toggleVal;
 755         u32     max_wait_count;
 756         u32     regVal1, regVal2, regVal3;
 757         unsigned long flags;
 758
 759         /* step1: Check FW is ready for soft reset */
 760         if (soft_reset_ready_check(pm8001_ha) != 0) {
 761                 PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("FW is not ready\n"));
 762                 return -1;
 763         }
 764
 765         /* step 2: clear NMI status register on AAP1 and IOP, write the same
 766         value to clear */
 767         /* map 0x60000 to BAR4(0x20), BAR2(win) */
 768         spin_lock_irqsave(&pm8001_ha->lock, flags);
 769         if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_AAP1_ADDR_BASE)) {
 770                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 771                 PM8001_FAIL_DBG(pm8001_ha,
 772                         pm8001_printk("Shift Bar4 to 0x%x failed\n",
 773                         MBIC_AAP1_ADDR_BASE));
 774                 return -1;
 775         }
 776         regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP);
 777         PM8001_INIT_DBG(pm8001_ha,
 778                 pm8001_printk("MBIC - NMI Enable VPE0 (IOP)= 0x%x\n", regVal));
 779         pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP, 0x0);
 780         /* map 0x70000 to BAR4(0x20), BAR2(win) */
 781         if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_IOP_ADDR_BASE)) {
 782                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 783                 PM8001_FAIL_DBG(pm8001_ha,
 784                         pm8001_printk("Shift Bar4 to 0x%x failed\n",
 785                         MBIC_IOP_ADDR_BASE));
 786                 return -1;
 787         }
 788         regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1);
 789         PM8001_INIT_DBG(pm8001_ha,
 790                 pm8001_printk("MBIC - NMI Enable VPE0 (AAP1)= 0x%x\n", regVal));
 791         pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1, 0x0);
 792
 793         regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE);
 794         PM8001_INIT_DBG(pm8001_ha,
 795                 pm8001_printk("PCIE -Event Interrupt Enable = 0x%x\n", regVal));
 796         pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE, 0x0);
 797
 798         regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT);
 799         PM8001_INIT_DBG(pm8001_ha,
 800                 pm8001_printk("PCIE - Event Interrupt  = 0x%x\n", regVal));
 801         pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT, regVal);
 802
 803         regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE);
 804         PM8001_INIT_DBG(pm8001_ha,
 805                 pm8001_printk("PCIE -Error Interrupt Enable = 0x%x\n", regVal));
 806         pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE, 0x0);
 807
 808         regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT);
 809         PM8001_INIT_DBG(pm8001_ha,
 810                 pm8001_printk("PCIE - Error Interrupt = 0x%x\n", regVal));
 811         pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT, regVal);
 812
 813         /* read the scratch pad 1 register bit 2 */
 814         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
 815                 & SCRATCH_PAD1_RST;
 816         toggleVal = regVal ^ SCRATCH_PAD1_RST;
 817
 818         /* set signature in host scratch pad0 register to tell SPC that the
 819         host performs the soft reset */
 820         pm8001_cw32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0, signature);
 821
 822         /* read required registers for confirmming */
 823         /* map 0x0700000 to BAR4(0x20), BAR2(win) */
 824         if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
 825                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 826                 PM8001_FAIL_DBG(pm8001_ha,
 827                         pm8001_printk("Shift Bar4 to 0x%x failed\n",
 828                         GSM_ADDR_BASE));
 829                 return -1;
 830         }
 831         PM8001_INIT_DBG(pm8001_ha,
 832                 pm8001_printk("GSM 0x0(0x00007b88)-GSM Configuration and"
 833                 " Reset = 0x%x\n",
 834                 pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
 835
 836         /* step 3: host read GSM Configuration and Reset register */
 837         regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
 838         /* Put those bits to low */
 839         /* GSM XCBI offset = 0x70 0000
 840         0x00 Bit 13 COM_SLV_SW_RSTB 1
 841         0x00 Bit 12 QSSP_SW_RSTB 1
 842         0x00 Bit 11 RAAE_SW_RSTB 1
 843         0x00 Bit 9 RB_1_SW_RSTB 1
 844         0x00 Bit 8 SM_SW_RSTB 1
 845         */
 846         regVal &= ~(0x00003b00);
 847         /* host write GSM Configuration and Reset register */
 848         pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
 849         PM8001_INIT_DBG(pm8001_ha,
 850                 pm8001_printk("GSM 0x0 (0x00007b88 ==> 0x00004088) - GSM "
 851                 "Configuration and Reset is set to = 0x%x\n",
 852                 pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
 853
 854         /* step 4: */
 855         /* disable GSM - Read Address Parity Check */
 856         regVal1 = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
 857         PM8001_INIT_DBG(pm8001_ha,
 858                 pm8001_printk("GSM 0x700038 - Read Address Parity Check "
 859                 "Enable = 0x%x\n", regVal1));
 860         pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, 0x0);
 861         PM8001_INIT_DBG(pm8001_ha,
 862                 pm8001_printk("GSM 0x700038 - Read Address Parity Check Enable"
 863                 "is set to = 0x%x\n",
 864                 pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK)));
 865
 866         /* disable GSM - Write Address Parity Check */
 867         regVal2 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
 868         PM8001_INIT_DBG(pm8001_ha,
 869                 pm8001_printk("GSM 0x700040 - Write Address Parity Check"
 870                 " Enable = 0x%x\n", regVal2));
 871         pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, 0x0);
 872         PM8001_INIT_DBG(pm8001_ha,
 873                 pm8001_printk("GSM 0x700040 - Write Address Parity Check "
 874                 "Enable is set to = 0x%x\n",
 875                 pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK)));
 876
 877         /* disable GSM - Write Data Parity Check */
 878         regVal3 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
 879         PM8001_INIT_DBG(pm8001_ha,
 880                 pm8001_printk("GSM 0x300048 - Write Data Parity Check"
 881                 " Enable = 0x%x\n", regVal3));
 882         pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, 0x0);
 883         PM8001_INIT_DBG(pm8001_ha,
 884                 pm8001_printk("GSM 0x300048 - Write Data Parity Check Enable"
 885                 "is set to = 0x%x\n",
 886         pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK)));
 887
 888         /* step 5: delay 10 usec */
 889         udelay(10);
 890         /* step 5-b: set GPIO-0 output control to tristate anyway */
 891         if (-1 == pm8001_bar4_shift(pm8001_ha, GPIO_ADDR_BASE)) {
 892                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 893                 PM8001_INIT_DBG(pm8001_ha,
 894                                 pm8001_printk("Shift Bar4 to 0x%x failed\n",
 895                                 GPIO_ADDR_BASE));
 896                 return -1;
 897         }
 898         regVal = pm8001_cr32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET);
 899                 PM8001_INIT_DBG(pm8001_ha,
 900                                 pm8001_printk("GPIO Output Control Register:"
 901                                 " = 0x%x\n", regVal));
 902         /* set GPIO-0 output control to tri-state */
 903         regVal &= 0xFFFFFFFC;
 904         pm8001_cw32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET, regVal);
 905
 906         /* Step 6: Reset the IOP and AAP1 */
 907         /* map 0x00000 to BAR4(0x20), BAR2(win) */
 908         if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
 909                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 910                 PM8001_FAIL_DBG(pm8001_ha,
 911                         pm8001_printk("SPC Shift Bar4 to 0x%x failed\n",
 912                         SPC_TOP_LEVEL_ADDR_BASE));
 913                 return -1;
 914         }
 915         regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 916         PM8001_INIT_DBG(pm8001_ha,
 917                 pm8001_printk("Top Register before resetting IOP/AAP1"
 918                 ":= 0x%x\n", regVal));
 919         regVal &= ~(SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
 920         pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 921
 922         /* step 7: Reset the BDMA/OSSP */
 923         regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 924         PM8001_INIT_DBG(pm8001_ha,
 925                 pm8001_printk("Top Register before resetting BDMA/OSSP"
 926                 ": = 0x%x\n", regVal));
 927         regVal &= ~(SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
 928         pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 929
 930         /* step 8: delay 10 usec */
 931         udelay(10);
 932
 933         /* step 9: bring the BDMA and OSSP out of reset */
 934         regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
 935         PM8001_INIT_DBG(pm8001_ha,
 936                 pm8001_printk("Top Register before bringing up BDMA/OSSP"
 937                 ":= 0x%x\n", regVal));
 938         regVal |= (SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
 939         pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
 940
 941         /* step 10: delay 10 usec */
 942         udelay(10);
 943
 944         /* step 11: reads and sets the GSM Configuration and Reset Register */
 945         /* map 0x0700000 to BAR4(0x20), BAR2(win) */
 946         if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
 947                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
 948                 PM8001_FAIL_DBG(pm8001_ha,
 949                         pm8001_printk("SPC Shift Bar4 to 0x%x failed\n",
 950                         GSM_ADDR_BASE));
 951                 return -1;
 952         }
 953         PM8001_INIT_DBG(pm8001_ha,
 954                 pm8001_printk("GSM 0x0 (0x00007b88)-GSM Configuration and "
 955                 "Reset = 0x%x\n", pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
 956         regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
 957         /* Put those bits to high */
 958         /* GSM XCBI offset = 0x70 0000
 959         0x00 Bit 13 COM_SLV_SW_RSTB 1
 960         0x00 Bit 12 QSSP_SW_RSTB 1
 961         0x00 Bit 11 RAAE_SW_RSTB 1
 962         0x00 Bit 9   RB_1_SW_RSTB 1
 963         0x00 Bit 8   SM_SW_RSTB 1
 964         */
 965         regVal |= (GSM_CONFIG_RESET_VALUE);
 966         pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
 967         PM8001_INIT_DBG(pm8001_ha,
 968                 pm8001_printk("GSM (0x00004088 ==> 0x00007b88) - GSM"
 969                 " Configuration and Reset is set to = 0x%x\n",
 970                 pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
 971
 972         /* step 12: Restore GSM - Read Address Parity Check */
 973         regVal = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
 974         /* just for debugging */
 975         PM8001_INIT_DBG(pm8001_ha,
 976                 pm8001_printk("GSM 0x700038 - Read Address Parity Check Enable"
 977                 " = 0x%x\n", regVal));
 978         pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, regVal1);
 979         PM8001_INIT_DBG(pm8001_ha,
 980                 pm8001_printk("GSM 0x700038 - Read Address Parity"
 981                 " Check Enable is set to = 0x%x\n",
 982                 pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK)));
 983         /* Restore GSM - Write Address Parity Check */
 984         regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
 985         pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, regVal2);
 986         PM8001_INIT_DBG(pm8001_ha,
 987                 pm8001_printk("GSM 0x700040 - Write Address Parity Check"
 988                 " Enable is set to = 0x%x\n",
 989                 pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK)));
 990         /* Restore GSM - Write Data Parity Check */
 991         regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
 992         pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, regVal3);
 993         PM8001_INIT_DBG(pm8001_ha,
 994                 pm8001_printk("GSM 0x700048 - Write Data Parity Check Enable"
 995                 "is set to = 0x%x\n",
 996                 pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK)));
 997
 998         /* step 13: bring the IOP and AAP1 out of reset */
 999         /* map 0x00000 to BAR4(0x20), BAR2(win) */
1000         if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
1001                 spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1002                 PM8001_FAIL_DBG(pm8001_ha,
1003                         pm8001_printk("Shift Bar4 to 0x%x failed\n",
1004                         SPC_TOP_LEVEL_ADDR_BASE));
1005                 return -1;
1006         }
1007         regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
1008         regVal |= (SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
1009         pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
1010
1011         /* step 14: delay 10 usec - Normal Mode */
1012         udelay(10);
1013         /* check Soft Reset Normal mode or Soft Reset HDA mode */
1014         if (signature == SPC_SOFT_RESET_SIGNATURE) {
1015                 /* step 15 (Normal Mode): wait until scratch pad1 register
1016                 bit 2 toggled */
1017                 max_wait_count = 2 * 1000 * 1000;/* 2 sec */
1018                 do {
1019                         udelay(1);
1020                         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
1021                                 SCRATCH_PAD1_RST;
1022                 } while ((regVal != toggleVal) && (--max_wait_count));
1023
1024                 if (!max_wait_count) {
1025                         regVal = pm8001_cr32(pm8001_ha, 0,
1026                                 MSGU_SCRATCH_PAD_1);
1027                         PM8001_FAIL_DBG(pm8001_ha,
1028                                 pm8001_printk("TIMEOUT : ToggleVal 0x%x,"
1029                                 "MSGU_SCRATCH_PAD1 = 0x%x\n",
1030                                 toggleVal, regVal));
1031                         PM8001_FAIL_DBG(pm8001_ha,
1032                                 pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
1033                                 pm8001_cr32(pm8001_ha, 0,
1034                                 MSGU_SCRATCH_PAD_0)));
1035                         PM8001_FAIL_DBG(pm8001_ha,
1036                                 pm8001_printk("SCRATCH_PAD2 value = 0x%x\n",
1037                                 pm8001_cr32(pm8001_ha, 0,
1038                                 MSGU_SCRATCH_PAD_2)));
1039                         PM8001_FAIL_DBG(pm8001_ha,
1040                                 pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
1041                                 pm8001_cr32(pm8001_ha, 0,
1042                                 MSGU_SCRATCH_PAD_3)));
1043                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1044                         return -1;
1045                 }
1046
1047                 /* step 16 (Normal) - Clear ODMR and ODCR */
1048                 pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1049                 pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1050
1051                 /* step 17 (Normal Mode): wait for the FW and IOP to get
1052                 ready - 1 sec timeout */
1053                 /* Wait for the SPC Configuration Table to be ready */
1054                 if (check_fw_ready(pm8001_ha) == -1) {
1055                         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
1056                         /* return error if MPI Configuration Table not ready */
1057                         PM8001_INIT_DBG(pm8001_ha,
1058                                 pm8001_printk("FW not ready SCRATCH_PAD1"
1059                                 " = 0x%x\n", regVal));
1060                         regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
1061                         /* return error if MPI Configuration Table not ready */
1062                         PM8001_INIT_DBG(pm8001_ha,
1063                                 pm8001_printk("FW not ready SCRATCH_PAD2"
1064                                 " = 0x%x\n", regVal));
1065                         PM8001_INIT_DBG(pm8001_ha,
1066                                 pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
1067                                 pm8001_cr32(pm8001_ha, 0,
1068                                 MSGU_SCRATCH_PAD_0)));
1069                         PM8001_INIT_DBG(pm8001_ha,
1070                                 pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
1071                                 pm8001_cr32(pm8001_ha, 0,
1072                                 MSGU_SCRATCH_PAD_3)));
1073                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1074                         return -1;
1075                 }
1076         }
1077         pm8001_bar4_shift(pm8001_ha, 0);
1078         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1079
1080         PM8001_INIT_DBG(pm8001_ha,
1081                 pm8001_printk("SPC soft reset Complete\n"));
1082         return 0;
1083 }
1084
1085 static void pm8001_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
1086 {
1087         u32 i;
1088         u32 regVal;
1089         PM8001_INIT_DBG(pm8001_ha,
1090                 pm8001_printk("chip reset start\n"));
1091
1092         /* do SPC chip reset. */
1093         regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1094         regVal &= ~(SPC_REG_RESET_DEVICE);
1095         pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1096
1097         /* delay 10 usec */
1098         udelay(10);
1099
1100         /* bring chip reset out of reset */
1101         regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
1102         regVal |= SPC_REG_RESET_DEVICE;
1103         pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
1104
1105         /* delay 10 usec */
1106         udelay(10);
1107
1108         /* wait for 20 msec until the firmware gets reloaded */
1109         i = 20;
1110         do {
1111                 mdelay(1);
1112         } while ((--i) != 0);
1113
1114         PM8001_INIT_DBG(pm8001_ha,
1115                 pm8001_printk("chip reset finished\n"));
1116 }
1117
1118 /**
1119  * pm8001_chip_iounmap - which maped when initialized.
1120  * @pm8001_ha: our hba card information
1121  */
1122 static void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha)
1123 {
1124         s8 bar, logical = 0;
1125         for (bar = 0; bar < 6; bar++) {
1126                 /*
1127                 ** logical BARs for SPC:
1128                 ** bar 0 and 1 - logical BAR0
1129                 ** bar 2 and 3 - logical BAR1
1130                 ** bar4 - logical BAR2
1131                 ** bar5 - logical BAR3
1132                 ** Skip the appropriate assignments:
1133                 */
1134                 if ((bar == 1) || (bar == 3))
1135                         continue;
1136                 if (pm8001_ha->io_mem[logical].memvirtaddr) {
1137                         iounmap(pm8001_ha->io_mem[logical].memvirtaddr);
1138                         logical++;
1139                 }
1140         }
1141 }
1142
1143 /**
1144  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1145  * @pm8001_ha: our hba card information
1146  */
1147 static void
1148 pm8001_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1149 {
1150         pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
1151         pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
1152 }
1153
1154  /**
1155   * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1156   * @pm8001_ha: our hba card information
1157   */
1158 static void
1159 pm8001_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1160 {
1161         pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_MASK_ALL);
1162 }
1163
1164 /**
1165  * pm8001_chip_msix_interrupt_enable - enable PM8001 chip interrupt
1166  * @pm8001_ha: our hba card information
1167  */
1168 static void
1169 pm8001_chip_msix_interrupt_enable(struct pm8001_hba_info *pm8001_ha,
1170         u32 int_vec_idx)
1171 {
1172         u32 msi_index;
1173         u32 value;
1174         msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1175         msi_index += MSIX_TABLE_BASE;
1176         pm8001_cw32(pm8001_ha, 0, msi_index, MSIX_INTERRUPT_ENABLE);
1177         value = (1 << int_vec_idx);
1178         pm8001_cw32(pm8001_ha, 0,  MSGU_ODCR, value);
1179
1180 }
1181
1182 /**
1183  * pm8001_chip_msix_interrupt_disable - disable PM8001 chip interrupt
1184  * @pm8001_ha: our hba card information
1185  */
1186 static void
1187 pm8001_chip_msix_interrupt_disable(struct pm8001_hba_info *pm8001_ha,
1188         u32 int_vec_idx)
1189 {
1190         u32 msi_index;
1191         msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
1192         msi_index += MSIX_TABLE_BASE;
1193         pm8001_cw32(pm8001_ha, 0,  msi_index, MSIX_INTERRUPT_DISABLE);
1194 }
1195
1196 /**
1197  * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
1198  * @pm8001_ha: our hba card information
1199  */
1200 static void
1201 pm8001_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
1202 {
1203 #ifdef PM8001_USE_MSIX
1204         pm8001_chip_msix_interrupt_enable(pm8001_ha, 0);
1205         return;
1206 #endif
1207         pm8001_chip_intx_interrupt_enable(pm8001_ha);
1208
1209 }
1210
1211 /**
1212  * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
1213  * @pm8001_ha: our hba card information
1214  */
1215 static void
1216 pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
1217 {
1218 #ifdef PM8001_USE_MSIX
1219         pm8001_chip_msix_interrupt_disable(pm8001_ha, 0);
1220         return;
1221 #endif
1222         pm8001_chip_intx_interrupt_disable(pm8001_ha);
1223
1224 }
1225
1226 /**
1227  * mpi_msg_free_get- get the free message buffer for transfer inbound queue.
1228  * @circularQ: the inbound queue  we want to transfer to HBA.
1229  * @messageSize: the message size of this transfer, normally it is 64 bytes
1230  * @messagePtr: the pointer to message.
1231  */
1232 static int mpi_msg_free_get(struct inbound_queue_table *circularQ,
1233                             u16 messageSize, void **messagePtr)
1234 {
1235         u32 offset, consumer_index;
1236         struct mpi_msg_hdr *msgHeader;
1237         u8 bcCount = 1; /* only support single buffer */
1238
1239         /* Checks is the requested message size can be allocated in this queue*/
1240         if (messageSize > 64) {
1241                 *messagePtr = NULL;
1242                 return -1;
1243         }
1244
1245         /* Stores the new consumer index */
1246         consumer_index = pm8001_read_32(circularQ->ci_virt);
1247         circularQ->consumer_index = cpu_to_le32(consumer_index);
1248         if (((circularQ->producer_idx + bcCount) % 256) ==
1249                 le32_to_cpu(circularQ->consumer_index)) {
1250                 *messagePtr = NULL;
1251                 return -1;
1252         }
1253         /* get memory IOMB buffer address */
1254         offset = circularQ->producer_idx * 64;
1255         /* increment to next bcCount element */
1256         circularQ->producer_idx = (circularQ->producer_idx + bcCount) % 256;
1257         /* Adds that distance to the base of the region virtual address plus
1258         the message header size*/
1259         msgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt + offset);
1260         *messagePtr = ((void *)msgHeader) + sizeof(struct mpi_msg_hdr);
1261         return 0;
1262 }
1263
1264 /**
1265  * mpi_build_cmd- build the message queue for transfer, update the PI to FW
1266  * to tell the fw to get this message from IOMB.
1267  * @pm8001_ha: our hba card information
1268  * @circularQ: the inbound queue we want to transfer to HBA.
1269  * @opCode: the operation code represents commands which LLDD and fw recognized.
1270  * @payload: the command payload of each operation command.
1271  */
1272 static int mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
1273                          struct inbound_queue_table *circularQ,
1274                          u32 opCode, void *payload)
1275 {
1276         u32 Header = 0, hpriority = 0, bc = 1, category = 0x02;
1277         u32 responseQueue = 0;
1278         void *pMessage;
1279
1280         if (mpi_msg_free_get(circularQ, 64, &pMessage) < 0) {
1281                 PM8001_IO_DBG(pm8001_ha,
1282                         pm8001_printk("No free mpi buffer\n"));
1283                 return -1;
1284         }
1285         BUG_ON(!payload);
1286         /*Copy to the payload*/
1287         memcpy(pMessage, payload, (64 - sizeof(struct mpi_msg_hdr)));
1288
1289         /*Build the header*/
1290         Header = ((1 << 31) | (hpriority << 30) | ((bc & 0x1f) << 24)
1291                 | ((responseQueue & 0x3F) << 16)
1292                 | ((category & 0xF) << 12) | (opCode & 0xFFF));
1293
1294         pm8001_write_32((pMessage - 4), 0, cpu_to_le32(Header));
1295         /*Update the PI to the firmware*/
1296         pm8001_cw32(pm8001_ha, circularQ->pi_pci_bar,
1297                 circularQ->pi_offset, circularQ->producer_idx);
1298         PM8001_IO_DBG(pm8001_ha,
1299                 pm8001_printk("after PI= %d CI= %d\n", circularQ->producer_idx,
1300                 circularQ->consumer_index));
1301         return 0;
1302 }
1303
1304 static u32 mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
1305                             struct outbound_queue_table *circularQ, u8 bc)
1306 {
1307         u32 producer_index;
1308         struct mpi_msg_hdr *msgHeader;
1309         struct mpi_msg_hdr *pOutBoundMsgHeader;
1310
1311         msgHeader = (struct mpi_msg_hdr *)(pMsg - sizeof(struct mpi_msg_hdr));
1312         pOutBoundMsgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt +
1313                                 circularQ->consumer_idx * 64);
1314         if (pOutBoundMsgHeader != msgHeader) {
1315                 PM8001_FAIL_DBG(pm8001_ha,
1316                         pm8001_printk("consumer_idx = %d msgHeader = %p\n",
1317                         circularQ->consumer_idx, msgHeader));
1318
1319                 /* Update the producer index from SPC */
1320                 producer_index = pm8001_read_32(circularQ->pi_virt);
1321                 circularQ->producer_index = cpu_to_le32(producer_index);
1322                 PM8001_FAIL_DBG(pm8001_ha,
1323                         pm8001_printk("consumer_idx = %d producer_index = %d"
1324                         "msgHeader = %p\n", circularQ->consumer_idx,
1325                         circularQ->producer_index, msgHeader));
1326                 return 0;
1327         }
1328         /* free the circular queue buffer elements associated with the message*/
1329         circularQ->consumer_idx = (circularQ->consumer_idx + bc) % 256;
1330         /* update the CI of outbound queue */
1331         pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar, circularQ->ci_offset,
1332                 circularQ->consumer_idx);
1333         /* Update the producer index from SPC*/
1334         producer_index = pm8001_read_32(circularQ->pi_virt);
1335         circularQ->producer_index = cpu_to_le32(producer_index);
1336         PM8001_IO_DBG(pm8001_ha,
1337                 pm8001_printk(" CI=%d PI=%d\n", circularQ->consumer_idx,
1338                 circularQ->producer_index));
1339         return 0;
1340 }
1341
1342 /**
1343  * mpi_msg_consume- get the MPI message from  outbound queue message table.
1344  * @pm8001_ha: our hba card information
1345  * @circularQ: the outbound queue  table.
1346  * @messagePtr1: the message contents of this outbound message.
1347  * @pBC: the message size.
1348  */
1349 static u32 mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
1350                            struct outbound_queue_table *circularQ,
1351                            void **messagePtr1, u8 *pBC)
1352 {
1353         struct mpi_msg_hdr      *msgHeader;
1354         __le32  msgHeader_tmp;
1355         u32 header_tmp;
1356         do {
1357                 /* If there are not-yet-delivered messages ... */
1358                 if (le32_to_cpu(circularQ->producer_index)
1359                         != circularQ->consumer_idx) {
1360                         /*Get the pointer to the circular queue buffer element*/
1361                         msgHeader = (struct mpi_msg_hdr *)
1362                                 (circularQ->base_virt +
1363                                 circularQ->consumer_idx * 64);
1364                         /* read header */
1365                         header_tmp = pm8001_read_32(msgHeader);
1366                         msgHeader_tmp = cpu_to_le32(header_tmp);
1367                         if (0 != (le32_to_cpu(msgHeader_tmp) & 0x80000000)) {
1368                                 if (OPC_OUB_SKIP_ENTRY !=
1369                                         (le32_to_cpu(msgHeader_tmp) & 0xfff)) {
1370                                         *messagePtr1 =
1371                                                 ((u8 *)msgHeader) +
1372                                                 sizeof(struct mpi_msg_hdr);
1373                                         *pBC = (u8)((le32_to_cpu(msgHeader_tmp)
1374                                                 >> 24) & 0x1f);
1375                                         PM8001_IO_DBG(pm8001_ha,
1376                                                 pm8001_printk(": CI=%d PI=%d "
1377                                                 "msgHeader=%x\n",
1378                                                 circularQ->consumer_idx,
1379                                                 circularQ->producer_index,
1380                                                 msgHeader_tmp));
1381                                         return MPI_IO_STATUS_SUCCESS;
1382                                 } else {
1383                                         circularQ->consumer_idx =
1384                                                 (circularQ->consumer_idx +
1385                                                 ((le32_to_cpu(msgHeader_tmp)
1386                                                 >> 24) & 0x1f)) % 256;
1387                                         msgHeader_tmp = 0;
1388                                         pm8001_write_32(msgHeader, 0, 0);
1389                                         /* update the CI of outbound queue */
1390                                         pm8001_cw32(pm8001_ha,
1391                                                 circularQ->ci_pci_bar,
1392                                                 circularQ->ci_offset,
1393                                                 circularQ->consumer_idx);
1394                                 }
1395                         } else {
1396                                 circularQ->consumer_idx =
1397                                         (circularQ->consumer_idx +
1398                                         ((le32_to_cpu(msgHeader_tmp) >> 24) &
1399                                         0x1f)) % 256;
1400                                 msgHeader_tmp = 0;
1401                                 pm8001_write_32(msgHeader, 0, 0);
1402                                 /* update the CI of outbound queue */
1403                                 pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar,
1404                                         circularQ->ci_offset,
1405                                         circularQ->consumer_idx);
1406                                 return MPI_IO_STATUS_FAIL;
1407                         }
1408                 } else {
1409                         u32 producer_index;
1410                         void *pi_virt = circularQ->pi_virt;
1411                         /* Update the producer index from SPC */
1412                         producer_index = pm8001_read_32(pi_virt);
1413                         circularQ->producer_index = cpu_to_le32(producer_index);
1414                 }
1415         } while (le32_to_cpu(circularQ->producer_index) !=
1416                 circularQ->consumer_idx);
1417         /* while we don't have any more not-yet-delivered message */
1418         /* report empty */
1419         return MPI_IO_STATUS_BUSY;
1420 }
1421
1422 static void pm8001_work_fn(struct work_struct *work)
1423 {
1424         struct pm8001_work *pw = container_of(work, struct pm8001_work, work);
1425         struct pm8001_device *pm8001_dev;
1426         struct domain_device *dev;
1427
1428         /*
1429          * So far, all users of this stash an associated structure here.
1430          * If we get here, and this pointer is null, then the action
1431          * was cancelled. This nullification happens when the device
1432          * goes away.
1433          */
1434         pm8001_dev = pw->data; /* Most stash device structure */
1435         if ((pm8001_dev == NULL)
1436          || ((pw->handler != IO_XFER_ERROR_BREAK)
1437           && (pm8001_dev->dev_type == NO_DEVICE))) {
1438                 kfree(pw);
1439                 return;
1440         }
1441
1442         switch (pw->handler) {
1443         case IO_XFER_ERROR_BREAK:
1444         {       /* This one stashes the sas_task instead */
1445                 struct sas_task *t = (struct sas_task *)pm8001_dev;
1446                 u32 tag;
1447                 struct pm8001_ccb_info *ccb;
1448                 struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1449                 unsigned long flags, flags1;
1450                 struct task_status_struct *ts;
1451                 int i;
1452
1453                 if (pm8001_query_task(t) == TMF_RESP_FUNC_SUCC)
1454                         break; /* Task still on lu */
1455                 spin_lock_irqsave(&pm8001_ha->lock, flags);
1456
1457                 spin_lock_irqsave(&t->task_state_lock, flags1);
1458                 if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1459                         spin_unlock_irqrestore(&t->task_state_lock, flags1);
1460                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1461                         break; /* Task got completed by another */
1462                 }
1463                 spin_unlock_irqrestore(&t->task_state_lock, flags1);
1464
1465                 /* Search for a possible ccb that matches the task */
1466                 for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
1467                         ccb = &pm8001_ha->ccb_info[i];
1468                         tag = ccb->ccb_tag;
1469                         if ((tag != 0xFFFFFFFF) && (ccb->task == t))
1470                                 break;
1471                 }
1472                 if (!ccb) {
1473                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1474                         break; /* Task got freed by another */
1475                 }
1476                 ts = &t->task_status;
1477                 ts->resp = SAS_TASK_COMPLETE;
1478                 /* Force the midlayer to retry */
1479                 ts->stat = SAS_QUEUE_FULL;
1480                 pm8001_dev = ccb->device;
1481                 if (pm8001_dev)
1482                         pm8001_dev->running_req--;
1483                 spin_lock_irqsave(&t->task_state_lock, flags1);
1484                 t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1485                 t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1486                 t->task_state_flags |= SAS_TASK_STATE_DONE;
1487                 if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1488                         spin_unlock_irqrestore(&t->task_state_lock, flags1);
1489                         PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p"
1490                                 " done with event 0x%x resp 0x%x stat 0x%x but"
1491                                 " aborted by upper layer!\n",
1492                                 t, pw->handler, ts->resp, ts->stat));
1493                         pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1494                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1495                 } else {
1496                         spin_unlock_irqrestore(&t->task_state_lock, flags1);
1497                         pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1498                         mb();/* in order to force CPU ordering */
1499                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1500                         t->task_done(t);
1501                 }
1502         }       break;
1503         case IO_XFER_OPEN_RETRY_TIMEOUT:
1504         {       /* This one stashes the sas_task instead */
1505                 struct sas_task *t = (struct sas_task *)pm8001_dev;
1506                 u32 tag;
1507                 struct pm8001_ccb_info *ccb;
1508                 struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
1509                 unsigned long flags, flags1;
1510                 int i, ret = 0;
1511
1512                 PM8001_IO_DBG(pm8001_ha,
1513                         pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1514
1515                 ret = pm8001_query_task(t);
1516
1517                 PM8001_IO_DBG(pm8001_ha,
1518                         switch (ret) {
1519                         case TMF_RESP_FUNC_SUCC:
1520                                 pm8001_printk("...Task on lu\n");
1521                                 break;
1522
1523                         case TMF_RESP_FUNC_COMPLETE:
1524                                 pm8001_printk("...Task NOT on lu\n");
1525                                 break;
1526
1527                         default:
1528                                 pm8001_printk("...query task failed!!!\n");
1529                                 break;
1530                         });
1531
1532                 spin_lock_irqsave(&pm8001_ha->lock, flags);
1533
1534                 spin_lock_irqsave(&t->task_state_lock, flags1);
1535
1536                 if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
1537                         spin_unlock_irqrestore(&t->task_state_lock, flags1);
1538                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1539                         if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1540                                 (void)pm8001_abort_task(t);
1541                         break; /* Task got completed by another */
1542                 }
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                         tag = ccb->ccb_tag;
1550                         if ((tag != 0xFFFFFFFF) && (ccb->task == t))
1551                                 break;
1552                 }
1553                 if (!ccb) {
1554                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1555                         if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
1556                                 (void)pm8001_abort_task(t);
1557                         break; /* Task got freed by another */
1558                 }
1559
1560                 pm8001_dev = ccb->device;
1561                 dev = pm8001_dev->sas_device;
1562
1563                 switch (ret) {
1564                 case TMF_RESP_FUNC_SUCC: /* task on lu */
1565                         ccb->open_retry = 1; /* Snub completion */
1566                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1567                         ret = pm8001_abort_task(t);
1568                         ccb->open_retry = 0;
1569                         switch (ret) {
1570                         case TMF_RESP_FUNC_SUCC:
1571                         case TMF_RESP_FUNC_COMPLETE:
1572                                 break;
1573                         default: /* device misbehavior */
1574                                 ret = TMF_RESP_FUNC_FAILED;
1575                                 PM8001_IO_DBG(pm8001_ha,
1576                                         pm8001_printk("...Reset phy\n"));
1577                                 pm8001_I_T_nexus_reset(dev);
1578                                 break;
1579                         }
1580                         break;
1581
1582                 case TMF_RESP_FUNC_COMPLETE: /* task not on lu */
1583                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1584                         /* Do we need to abort the task locally? */
1585                         break;
1586
1587                 default: /* device misbehavior */
1588                         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
1589                         ret = TMF_RESP_FUNC_FAILED;
1590                         PM8001_IO_DBG(pm8001_ha,
1591                                 pm8001_printk("...Reset phy\n"));
1592                         pm8001_I_T_nexus_reset(dev);
1593                 }
1594
1595                 if (ret == TMF_RESP_FUNC_FAILED)
1596                         t = NULL;
1597                 pm8001_open_reject_retry(pm8001_ha, t, pm8001_dev);
1598                 PM8001_IO_DBG(pm8001_ha, pm8001_printk("...Complete\n"));
1599         }       break;
1600         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1601                 dev = pm8001_dev->sas_device;
1602                 pm8001_I_T_nexus_reset(dev);
1603                 break;
1604         case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
1605                 dev = pm8001_dev->sas_device;
1606                 pm8001_I_T_nexus_reset(dev);
1607                 break;
1608         case IO_DS_IN_ERROR:
1609                 dev = pm8001_dev->sas_device;
1610                 pm8001_I_T_nexus_reset(dev);
1611                 break;
1612         case IO_DS_NON_OPERATIONAL:
1613                 dev = pm8001_dev->sas_device;
1614                 pm8001_I_T_nexus_reset(dev);
1615                 break;
1616         }
1617         kfree(pw);
1618 }
1619
1620 static int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data,
1621                                int handler)
1622 {
1623         struct pm8001_work *pw;
1624         int ret = 0;
1625
1626         pw = kmalloc(sizeof(struct pm8001_work), GFP_ATOMIC);
1627         if (pw) {
1628                 pw->pm8001_ha = pm8001_ha;
1629                 pw->data = data;
1630                 pw->handler = handler;
1631                 INIT_WORK(&pw->work, pm8001_work_fn);
1632                 queue_work(pm8001_wq, &pw->work);
1633         } else
1634                 ret = -ENOMEM;
1635
1636         return ret;
1637 }
1638
1639 /**
1640  * mpi_ssp_completion- process the event that FW response to the SSP request.
1641  * @pm8001_ha: our hba card information
1642  * @piomb: the message contents of this outbound message.
1643  *
1644  * When FW has completed a ssp request for example a IO request, after it has
1645  * filled the SG data with the data, it will trigger this event represent
1646  * that he has finished the job,please check the coresponding buffer.
1647  * So we will tell the caller who maybe waiting the result to tell upper layer
1648  * that the task has been finished.
1649  */
1650 static void
1651 mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
1652 {
1653         struct sas_task *t;
1654         struct pm8001_ccb_info *ccb;
1655         unsigned long flags;
1656         u32 status;
1657         u32 param;
1658         u32 tag;
1659         struct ssp_completion_resp *psspPayload;
1660         struct task_status_struct *ts;
1661         struct ssp_response_iu *iu;
1662         struct pm8001_device *pm8001_dev;
1663         psspPayload = (struct ssp_completion_resp *)(piomb + 4);
1664         status = le32_to_cpu(psspPayload->status);
1665         tag = le32_to_cpu(psspPayload->tag);
1666         ccb = &pm8001_ha->ccb_info[tag];
1667         if ((status == IO_ABORTED) && ccb->open_retry) {
1668                 /* Being completed by another */
1669                 ccb->open_retry = 0;
1670                 return;
1671         }
1672         pm8001_dev = ccb->device;
1673         param = le32_to_cpu(psspPayload->param);
1674
1675         t = ccb->task;
1676
1677         if (status && status != IO_UNDERFLOW)
1678                 PM8001_FAIL_DBG(pm8001_ha,
1679                         pm8001_printk("sas IO status 0x%x\n", status));
1680         if (unlikely(!t || !t->lldd_task || !t->dev))
1681                 return;
1682         ts = &t->task_status;
1683         switch (status) {
1684         case IO_SUCCESS:
1685                 PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS"
1686                         ",param = %d\n", param));
1687                 if (param == 0) {
1688                         ts->resp = SAS_TASK_COMPLETE;
1689                         ts->stat = SAM_STAT_GOOD;
1690                 } else {
1691                         ts->resp = SAS_TASK_COMPLETE;
1692                         ts->stat = SAS_PROTO_RESPONSE;
1693                         ts->residual = param;
1694                         iu = &psspPayload->ssp_resp_iu;
1695                         sas_ssp_task_response(pm8001_ha->dev, t, iu);
1696                 }
1697                 if (pm8001_dev)
1698                         pm8001_dev->running_req--;
1699                 break;
1700         case IO_ABORTED:
1701                 PM8001_IO_DBG(pm8001_ha,
1702                         pm8001_printk("IO_ABORTED IOMB Tag\n"));
1703                 ts->resp = SAS_TASK_COMPLETE;
1704                 ts->stat = SAS_ABORTED_TASK;
1705                 break;
1706         case IO_UNDERFLOW:
1707                 /* SSP Completion with error */
1708                 PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW"
1709                         ",param = %d\n", param));
1710                 ts->resp = SAS_TASK_COMPLETE;
1711                 ts->stat = SAS_DATA_UNDERRUN;
1712                 ts->residual = param;
1713                 if (pm8001_dev)
1714                         pm8001_dev->running_req--;
1715                 break;
1716         case IO_NO_DEVICE:
1717                 PM8001_IO_DBG(pm8001_ha,
1718                         pm8001_printk("IO_NO_DEVICE\n"));
1719                 ts->resp = SAS_TASK_UNDELIVERED;
1720                 ts->stat = SAS_PHY_DOWN;
1721                 break;
1722         case IO_XFER_ERROR_BREAK:
1723                 PM8001_IO_DBG(pm8001_ha,
1724                         pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1725                 ts->resp = SAS_TASK_COMPLETE;
1726                 ts->stat = SAS_OPEN_REJECT;
1727                 /* Force the midlayer to retry */
1728                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1729                 break;
1730         case IO_XFER_ERROR_PHY_NOT_READY:
1731                 PM8001_IO_DBG(pm8001_ha,
1732                         pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1733                 ts->resp = SAS_TASK_COMPLETE;
1734                 ts->stat = SAS_OPEN_REJECT;
1735                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1736                 break;
1737         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1738                 PM8001_IO_DBG(pm8001_ha,
1739                 pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
1740                 ts->resp = SAS_TASK_COMPLETE;
1741                 ts->stat = SAS_OPEN_REJECT;
1742                 ts->open_rej_reason = SAS_OREJ_EPROTO;
1743                 break;
1744         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1745                 PM8001_IO_DBG(pm8001_ha,
1746                         pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1747                 ts->resp = SAS_TASK_COMPLETE;
1748                 ts->stat = SAS_OPEN_REJECT;
1749                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1750                 break;
1751         case IO_OPEN_CNX_ERROR_BREAK:
1752                 PM8001_IO_DBG(pm8001_ha,
1753                         pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1754                 ts->resp = SAS_TASK_COMPLETE;
1755                 ts->stat = SAS_OPEN_REJECT;
1756                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1757                 break;
1758         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1759                 PM8001_IO_DBG(pm8001_ha,
1760                         pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1761                 ts->resp = SAS_TASK_COMPLETE;
1762                 ts->stat = SAS_OPEN_REJECT;
1763                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1764                 if (!t->uldd_task)
1765                         pm8001_handle_event(pm8001_ha,
1766                                 pm8001_dev,
1767                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1768                 break;
1769         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1770                 PM8001_IO_DBG(pm8001_ha,
1771                         pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1772                 ts->resp = SAS_TASK_COMPLETE;
1773                 ts->stat = SAS_OPEN_REJECT;
1774                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1775                 break;
1776         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1777                 PM8001_IO_DBG(pm8001_ha,
1778                         pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
1779                         "NOT_SUPPORTED\n"));
1780                 ts->resp = SAS_TASK_COMPLETE;
1781                 ts->stat = SAS_OPEN_REJECT;
1782                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1783                 break;
1784         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1785                 PM8001_IO_DBG(pm8001_ha,
1786                         pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1787                 ts->resp = SAS_TASK_UNDELIVERED;
1788                 ts->stat = SAS_OPEN_REJECT;
1789                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1790                 break;
1791         case IO_XFER_ERROR_NAK_RECEIVED:
1792                 PM8001_IO_DBG(pm8001_ha,
1793                         pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
1794                 ts->resp = SAS_TASK_COMPLETE;
1795                 ts->stat = SAS_OPEN_REJECT;
1796                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1797                 break;
1798         case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
1799                 PM8001_IO_DBG(pm8001_ha,
1800                         pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
1801                 ts->resp = SAS_TASK_COMPLETE;
1802                 ts->stat = SAS_NAK_R_ERR;
1803                 break;
1804         case IO_XFER_ERROR_DMA:
1805                 PM8001_IO_DBG(pm8001_ha,
1806                 pm8001_printk("IO_XFER_ERROR_DMA\n"));
1807                 ts->resp = SAS_TASK_COMPLETE;
1808                 ts->stat = SAS_OPEN_REJECT;
1809                 break;
1810         case IO_XFER_OPEN_RETRY_TIMEOUT:
1811                 PM8001_IO_DBG(pm8001_ha,
1812                         pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
1813                 ts->resp = SAS_TASK_COMPLETE;
1814                 ts->stat = SAS_OPEN_REJECT;
1815                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1816                 break;
1817         case IO_XFER_ERROR_OFFSET_MISMATCH:
1818                 PM8001_IO_DBG(pm8001_ha,
1819                         pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
1820                 ts->resp = SAS_TASK_COMPLETE;
1821                 ts->stat = SAS_OPEN_REJECT;
1822                 break;
1823         case IO_PORT_IN_RESET:
1824                 PM8001_IO_DBG(pm8001_ha,
1825                         pm8001_printk("IO_PORT_IN_RESET\n"));
1826                 ts->resp = SAS_TASK_COMPLETE;
1827                 ts->stat = SAS_OPEN_REJECT;
1828                 break;
1829         case IO_DS_NON_OPERATIONAL:
1830                 PM8001_IO_DBG(pm8001_ha,
1831                         pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
1832                 ts->resp = SAS_TASK_COMPLETE;
1833                 ts->stat = SAS_OPEN_REJECT;
1834                 if (!t->uldd_task)
1835                         pm8001_handle_event(pm8001_ha,
1836                                 pm8001_dev,
1837                                 IO_DS_NON_OPERATIONAL);
1838                 break;
1839         case IO_DS_IN_RECOVERY:
1840                 PM8001_IO_DBG(pm8001_ha,
1841                         pm8001_printk("IO_DS_IN_RECOVERY\n"));
1842                 ts->resp = SAS_TASK_COMPLETE;
1843                 ts->stat = SAS_OPEN_REJECT;
1844                 break;
1845         case IO_TM_TAG_NOT_FOUND:
1846                 PM8001_IO_DBG(pm8001_ha,
1847                         pm8001_printk("IO_TM_TAG_NOT_FOUND\n"));
1848                 ts->resp = SAS_TASK_COMPLETE;
1849                 ts->stat = SAS_OPEN_REJECT;
1850                 break;
1851         case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
1852                 PM8001_IO_DBG(pm8001_ha,
1853                         pm8001_printk("IO_SSP_EXT_IU_ZERO_LEN_ERROR\n"));
1854                 ts->resp = SAS_TASK_COMPLETE;
1855                 ts->stat = SAS_OPEN_REJECT;
1856                 break;
1857         case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
1858                 PM8001_IO_DBG(pm8001_ha,
1859                         pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
1860                 ts->resp = SAS_TASK_COMPLETE;
1861                 ts->stat = SAS_OPEN_REJECT;
1862                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1863                 break;
1864         default:
1865                 PM8001_IO_DBG(pm8001_ha,
1866                         pm8001_printk("Unknown status 0x%x\n", status));
1867                 /* not allowed case. Therefore, return failed status */
1868                 ts->resp = SAS_TASK_COMPLETE;
1869                 ts->stat = SAS_OPEN_REJECT;
1870                 break;
1871         }
1872         PM8001_IO_DBG(pm8001_ha,
1873                 pm8001_printk("scsi_status = %x \n ",
1874                 psspPayload->ssp_resp_iu.status));
1875         spin_lock_irqsave(&t->task_state_lock, flags);
1876         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
1877         t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
1878         t->task_state_flags |= SAS_TASK_STATE_DONE;
1879         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
1880                 spin_unlock_irqrestore(&t->task_state_lock, flags);
1881                 PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
1882                         " io_status 0x%x resp 0x%x "
1883                         "stat 0x%x but aborted by upper layer!\n",
1884                         t, status, ts->resp, ts->stat));
1885                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1886         } else {
1887                 spin_unlock_irqrestore(&t->task_state_lock, flags);
1888                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
1889                 mb();/* in order to force CPU ordering */
1890                 t->task_done(t);
1891         }
1892 }
1893
1894 /*See the comments for mpi_ssp_completion */
1895 static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
1896 {
1897         struct sas_task *t;
1898         unsigned long flags;
1899         struct task_status_struct *ts;
1900         struct pm8001_ccb_info *ccb;
1901         struct pm8001_device *pm8001_dev;
1902         struct ssp_event_resp *psspPayload =
1903                 (struct ssp_event_resp *)(piomb + 4);
1904         u32 event = le32_to_cpu(psspPayload->event);
1905         u32 tag = le32_to_cpu(psspPayload->tag);
1906         u32 port_id = le32_to_cpu(psspPayload->port_id);
1907         u32 dev_id = le32_to_cpu(psspPayload->device_id);
1908
1909         ccb = &pm8001_ha->ccb_info[tag];
1910         t = ccb->task;
1911         pm8001_dev = ccb->device;
1912         if (event)
1913                 PM8001_FAIL_DBG(pm8001_ha,
1914                         pm8001_printk("sas IO status 0x%x\n", event));
1915         if (unlikely(!t || !t->lldd_task || !t->dev))
1916                 return;
1917         ts = &t->task_status;
1918         PM8001_IO_DBG(pm8001_ha,
1919                 pm8001_printk("port_id = %x,device_id = %x\n",
1920                 port_id, dev_id));
1921         switch (event) {
1922         case IO_OVERFLOW:
1923                 PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n");)
1924                 ts->resp = SAS_TASK_COMPLETE;
1925                 ts->stat = SAS_DATA_OVERRUN;
1926                 ts->residual = 0;
1927                 if (pm8001_dev)
1928                         pm8001_dev->running_req--;
1929                 break;
1930         case IO_XFER_ERROR_BREAK:
1931                 PM8001_IO_DBG(pm8001_ha,
1932                         pm8001_printk("IO_XFER_ERROR_BREAK\n"));
1933                 pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
1934                 return;
1935         case IO_XFER_ERROR_PHY_NOT_READY:
1936                 PM8001_IO_DBG(pm8001_ha,
1937                         pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
1938                 ts->resp = SAS_TASK_COMPLETE;
1939                 ts->stat = SAS_OPEN_REJECT;
1940                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1941                 break;
1942         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
1943                 PM8001_IO_DBG(pm8001_ha,
1944                         pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
1945                         "_SUPPORTED\n"));
1946                 ts->resp = SAS_TASK_COMPLETE;
1947                 ts->stat = SAS_OPEN_REJECT;
1948                 ts->open_rej_reason = SAS_OREJ_EPROTO;
1949                 break;
1950         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
1951                 PM8001_IO_DBG(pm8001_ha,
1952                         pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
1953                 ts->resp = SAS_TASK_COMPLETE;
1954                 ts->stat = SAS_OPEN_REJECT;
1955                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1956                 break;
1957         case IO_OPEN_CNX_ERROR_BREAK:
1958                 PM8001_IO_DBG(pm8001_ha,
1959                         pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
1960                 ts->resp = SAS_TASK_COMPLETE;
1961                 ts->stat = SAS_OPEN_REJECT;
1962                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
1963                 break;
1964         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
1965                 PM8001_IO_DBG(pm8001_ha,
1966                         pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
1967                 ts->resp = SAS_TASK_COMPLETE;
1968                 ts->stat = SAS_OPEN_REJECT;
1969                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
1970                 if (!t->uldd_task)
1971                         pm8001_handle_event(pm8001_ha,
1972                                 pm8001_dev,
1973                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
1974                 break;
1975         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
1976                 PM8001_IO_DBG(pm8001_ha,
1977                         pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
1978                 ts->resp = SAS_TASK_COMPLETE;
1979                 ts->stat = SAS_OPEN_REJECT;
1980                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
1981                 break;
1982         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
1983                 PM8001_IO_DBG(pm8001_ha,
1984                         pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
1985                         "NOT_SUPPORTED\n"));
1986                 ts->resp = SAS_TASK_COMPLETE;
1987                 ts->stat = SAS_OPEN_REJECT;
1988                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
1989                 break;
1990         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
1991                 PM8001_IO_DBG(pm8001_ha,
1992                        pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
1993                 ts->resp = SAS_TASK_COMPLETE;
1994                 ts->stat = SAS_OPEN_REJECT;
1995                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
1996                 break;
1997         case IO_XFER_ERROR_NAK_RECEIVED:
1998                 PM8001_IO_DBG(pm8001_ha,
1999                         pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2000                 ts->resp = SAS_TASK_COMPLETE;
2001                 ts->stat = SAS_OPEN_REJECT;
2002                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2003                 break;
2004         case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2005                 PM8001_IO_DBG(pm8001_ha,
2006                         pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2007                 ts->resp = SAS_TASK_COMPLETE;
2008                 ts->stat = SAS_NAK_R_ERR;
2009                 break;
2010         case IO_XFER_OPEN_RETRY_TIMEOUT:
2011                 PM8001_IO_DBG(pm8001_ha,
2012                         pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2013                 pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
2014                 return;
2015         case IO_XFER_ERROR_UNEXPECTED_PHASE:
2016                 PM8001_IO_DBG(pm8001_ha,
2017                         pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
2018                 ts->resp = SAS_TASK_COMPLETE;
2019                 ts->stat = SAS_DATA_OVERRUN;
2020                 break;
2021         case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2022                 PM8001_IO_DBG(pm8001_ha,
2023                         pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
2024                 ts->resp = SAS_TASK_COMPLETE;
2025                 ts->stat = SAS_DATA_OVERRUN;
2026                 break;
2027         case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2028                 PM8001_IO_DBG(pm8001_ha,
2029                        pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
2030                 ts->resp = SAS_TASK_COMPLETE;
2031                 ts->stat = SAS_DATA_OVERRUN;
2032                 break;
2033         case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
2034                 PM8001_IO_DBG(pm8001_ha,
2035                 pm8001_printk("IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n"));
2036                 ts->resp = SAS_TASK_COMPLETE;
2037                 ts->stat = SAS_DATA_OVERRUN;
2038                 break;
2039         case IO_XFER_ERROR_OFFSET_MISMATCH:
2040                 PM8001_IO_DBG(pm8001_ha,
2041                         pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2042                 ts->resp = SAS_TASK_COMPLETE;
2043                 ts->stat = SAS_DATA_OVERRUN;
2044                 break;
2045         case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2046                 PM8001_IO_DBG(pm8001_ha,
2047                         pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
2048                 ts->resp = SAS_TASK_COMPLETE;
2049                 ts->stat = SAS_DATA_OVERRUN;
2050                 break;
2051         case IO_XFER_CMD_FRAME_ISSUED:
2052                 PM8001_IO_DBG(pm8001_ha,
2053                         pm8001_printk("  IO_XFER_CMD_FRAME_ISSUED\n"));
2054                 return;
2055         default:
2056                 PM8001_IO_DBG(pm8001_ha,
2057                         pm8001_printk("Unknown status 0x%x\n", event));
2058                 /* not allowed case. Therefore, return failed status */
2059                 ts->resp = SAS_TASK_COMPLETE;
2060                 ts->stat = SAS_DATA_OVERRUN;
2061                 break;
2062         }
2063         spin_lock_irqsave(&t->task_state_lock, flags);
2064         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2065         t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2066         t->task_state_flags |= SAS_TASK_STATE_DONE;
2067         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2068                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2069                 PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
2070                         " event 0x%x resp 0x%x "
2071                         "stat 0x%x but aborted by upper layer!\n",
2072                         t, event, ts->resp, ts->stat));
2073                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2074         } else {
2075                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2076                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2077                 mb();/* in order to force CPU ordering */
2078                 t->task_done(t);
2079         }
2080 }
2081
2082 /*See the comments for mpi_ssp_completion */
2083 static void
2084 mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2085 {
2086         struct sas_task *t;
2087         struct pm8001_ccb_info *ccb;
2088         u32 param;
2089         u32 status;
2090         u32 tag;
2091         struct sata_completion_resp *psataPayload;
2092         struct task_status_struct *ts;
2093         struct ata_task_resp *resp ;
2094         u32 *sata_resp;
2095         struct pm8001_device *pm8001_dev;
2096
2097         psataPayload = (struct sata_completion_resp *)(piomb + 4);
2098         status = le32_to_cpu(psataPayload->status);
2099         tag = le32_to_cpu(psataPayload->tag);
2100
2101         ccb = &pm8001_ha->ccb_info[tag];
2102         param = le32_to_cpu(psataPayload->param);
2103         t = ccb->task;
2104         ts = &t->task_status;
2105         pm8001_dev = ccb->device;
2106         if (status)
2107                 PM8001_FAIL_DBG(pm8001_ha,
2108                         pm8001_printk("sata IO status 0x%x\n", status));
2109         if (unlikely(!t || !t->lldd_task || !t->dev))
2110                 return;
2111
2112         switch (status) {
2113         case IO_SUCCESS:
2114                 PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2115                 if (param == 0) {
2116                         ts->resp = SAS_TASK_COMPLETE;
2117                         ts->stat = SAM_STAT_GOOD;
2118                 } else {
2119                         u8 len;
2120                         ts->resp = SAS_TASK_COMPLETE;
2121                         ts->stat = SAS_PROTO_RESPONSE;
2122                         ts->residual = param;
2123                         PM8001_IO_DBG(pm8001_ha,
2124                                 pm8001_printk("SAS_PROTO_RESPONSE len = %d\n",
2125                                 param));
2126                         sata_resp = &psataPayload->sata_resp[0];
2127                         resp = (struct ata_task_resp *)ts->buf;
2128                         if (t->ata_task.dma_xfer == 0 &&
2129                         t->data_dir == PCI_DMA_FROMDEVICE) {
2130                                 len = sizeof(struct pio_setup_fis);
2131                                 PM8001_IO_DBG(pm8001_ha,
2132                                 pm8001_printk("PIO read len = %d\n", len));
2133                         } else if (t->ata_task.use_ncq) {
2134                                 len = sizeof(struct set_dev_bits_fis);
2135                                 PM8001_IO_DBG(pm8001_ha,
2136                                         pm8001_printk("FPDMA len = %d\n", len));
2137                         } else {
2138                                 len = sizeof(struct dev_to_host_fis);
2139                                 PM8001_IO_DBG(pm8001_ha,
2140                                 pm8001_printk("other len = %d\n", len));
2141                         }
2142                         if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
2143                                 resp->frame_len = len;
2144                                 memcpy(&resp->ending_fis[0], sata_resp, len);
2145                                 ts->buf_valid_size = sizeof(*resp);
2146                         } else
2147                                 PM8001_IO_DBG(pm8001_ha,
2148                                         pm8001_printk("response to large\n"));
2149                 }
2150                 if (pm8001_dev)
2151                         pm8001_dev->running_req--;
2152                 break;
2153         case IO_ABORTED:
2154                 PM8001_IO_DBG(pm8001_ha,
2155                         pm8001_printk("IO_ABORTED IOMB Tag\n"));
2156                 ts->resp = SAS_TASK_COMPLETE;
2157                 ts->stat = SAS_ABORTED_TASK;
2158                 if (pm8001_dev)
2159                         pm8001_dev->running_req--;
2160                 break;
2161                 /* following cases are to do cases */
2162         case IO_UNDERFLOW:
2163                 /* SATA Completion with error */
2164                 PM8001_IO_DBG(pm8001_ha,
2165                         pm8001_printk("IO_UNDERFLOW param = %d\n", param));
2166                 ts->resp = SAS_TASK_COMPLETE;
2167                 ts->stat = SAS_DATA_UNDERRUN;
2168                 ts->residual =  param;
2169                 if (pm8001_dev)
2170                         pm8001_dev->running_req--;
2171                 break;
2172         case IO_NO_DEVICE:
2173                 PM8001_IO_DBG(pm8001_ha,
2174                         pm8001_printk("IO_NO_DEVICE\n"));
2175                 ts->resp = SAS_TASK_UNDELIVERED;
2176                 ts->stat = SAS_PHY_DOWN;
2177                 break;
2178         case IO_XFER_ERROR_BREAK:
2179                 PM8001_IO_DBG(pm8001_ha,
2180                         pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2181                 ts->resp = SAS_TASK_COMPLETE;
2182                 ts->stat = SAS_INTERRUPTED;
2183                 break;
2184         case IO_XFER_ERROR_PHY_NOT_READY:
2185                 PM8001_IO_DBG(pm8001_ha,
2186                         pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2187                 ts->resp = SAS_TASK_COMPLETE;
2188                 ts->stat = SAS_OPEN_REJECT;
2189                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2190                 break;
2191         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2192                 PM8001_IO_DBG(pm8001_ha,
2193                         pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
2194                         "_SUPPORTED\n"));
2195                 ts->resp = SAS_TASK_COMPLETE;
2196                 ts->stat = SAS_OPEN_REJECT;
2197                 ts->open_rej_reason = SAS_OREJ_EPROTO;
2198                 break;
2199         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2200                 PM8001_IO_DBG(pm8001_ha,
2201                         pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2202                 ts->resp = SAS_TASK_COMPLETE;
2203                 ts->stat = SAS_OPEN_REJECT;
2204                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2205                 break;
2206         case IO_OPEN_CNX_ERROR_BREAK:
2207                 PM8001_IO_DBG(pm8001_ha,
2208                         pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2209                 ts->resp = SAS_TASK_COMPLETE;
2210                 ts->stat = SAS_OPEN_REJECT;
2211                 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2212                 break;
2213         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2214                 PM8001_IO_DBG(pm8001_ha,
2215                         pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2216                 ts->resp = SAS_TASK_COMPLETE;
2217                 ts->stat = SAS_DEV_NO_RESPONSE;
2218                 if (!t->uldd_task) {
2219                         pm8001_handle_event(pm8001_ha,
2220                                 pm8001_dev,
2221                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2222                         ts->resp = SAS_TASK_UNDELIVERED;
2223                         ts->stat = SAS_QUEUE_FULL;
2224                         pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2225                         mb();/*in order to force CPU ordering*/
2226                         spin_unlock_irq(&pm8001_ha->lock);
2227                         t->task_done(t);
2228                         spin_lock_irq(&pm8001_ha->lock);
2229                         return;
2230                 }
2231                 break;
2232         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2233                 PM8001_IO_DBG(pm8001_ha,
2234                         pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2235                 ts->resp = SAS_TASK_UNDELIVERED;
2236                 ts->stat = SAS_OPEN_REJECT;
2237                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2238                 if (!t->uldd_task) {
2239                         pm8001_handle_event(pm8001_ha,
2240                                 pm8001_dev,
2241                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2242                         ts->resp = SAS_TASK_UNDELIVERED;
2243                         ts->stat = SAS_QUEUE_FULL;
2244                         pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2245                         mb();/*ditto*/
2246                         spin_unlock_irq(&pm8001_ha->lock);
2247                         t->task_done(t);
2248                         spin_lock_irq(&pm8001_ha->lock);
2249                         return;
2250                 }
2251                 break;
2252         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2253                 PM8001_IO_DBG(pm8001_ha,
2254                         pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
2255                         "NOT_SUPPORTED\n"));
2256                 ts->resp = SAS_TASK_COMPLETE;
2257                 ts->stat = SAS_OPEN_REJECT;
2258                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2259                 break;
2260         case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
2261                 PM8001_IO_DBG(pm8001_ha,
2262                         pm8001_printk("IO_OPEN_CNX_ERROR_STP_RESOURCES"
2263                         "_BUSY\n"));
2264                 ts->resp = SAS_TASK_COMPLETE;
2265                 ts->stat = SAS_DEV_NO_RESPONSE;
2266                 if (!t->uldd_task) {
2267                         pm8001_handle_event(pm8001_ha,
2268                                 pm8001_dev,
2269                                 IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
2270                         ts->resp = SAS_TASK_UNDELIVERED;
2271                         ts->stat = SAS_QUEUE_FULL;
2272                         pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2273                         mb();/* ditto*/
2274                         spin_unlock_irq(&pm8001_ha->lock);
2275                         t->task_done(t);
2276                         spin_lock_irq(&pm8001_ha->lock);
2277                         return;
2278                 }
2279                 break;
2280         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2281                 PM8001_IO_DBG(pm8001_ha,
2282                        pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2283                 ts->resp = SAS_TASK_COMPLETE;
2284                 ts->stat = SAS_OPEN_REJECT;
2285                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2286                 break;
2287         case IO_XFER_ERROR_NAK_RECEIVED:
2288                 PM8001_IO_DBG(pm8001_ha,
2289                         pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2290                 ts->resp = SAS_TASK_COMPLETE;
2291                 ts->stat = SAS_NAK_R_ERR;
2292                 break;
2293         case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
2294                 PM8001_IO_DBG(pm8001_ha,
2295                         pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
2296                 ts->resp = SAS_TASK_COMPLETE;
2297                 ts->stat = SAS_NAK_R_ERR;
2298                 break;
2299         case IO_XFER_ERROR_DMA:
2300                 PM8001_IO_DBG(pm8001_ha,
2301                         pm8001_printk("IO_XFER_ERROR_DMA\n"));
2302                 ts->resp = SAS_TASK_COMPLETE;
2303                 ts->stat = SAS_ABORTED_TASK;
2304                 break;
2305         case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
2306                 PM8001_IO_DBG(pm8001_ha,
2307                         pm8001_printk("IO_XFER_ERROR_SATA_LINK_TIMEOUT\n"));
2308                 ts->resp = SAS_TASK_UNDELIVERED;
2309                 ts->stat = SAS_DEV_NO_RESPONSE;
2310                 break;
2311         case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2312                 PM8001_IO_DBG(pm8001_ha,
2313                         pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2314                 ts->resp = SAS_TASK_COMPLETE;
2315                 ts->stat = SAS_DATA_UNDERRUN;
2316                 break;
2317         case IO_XFER_OPEN_RETRY_TIMEOUT:
2318                 PM8001_IO_DBG(pm8001_ha,
2319                         pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2320                 ts->resp = SAS_TASK_COMPLETE;
2321                 ts->stat = SAS_OPEN_TO;
2322                 break;
2323         case IO_PORT_IN_RESET:
2324                 PM8001_IO_DBG(pm8001_ha,
2325                         pm8001_printk("IO_PORT_IN_RESET\n"));
2326                 ts->resp = SAS_TASK_COMPLETE;
2327                 ts->stat = SAS_DEV_NO_RESPONSE;
2328                 break;
2329         case IO_DS_NON_OPERATIONAL:
2330                 PM8001_IO_DBG(pm8001_ha,
2331                         pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2332                 ts->resp = SAS_TASK_COMPLETE;
2333                 ts->stat = SAS_DEV_NO_RESPONSE;
2334                 if (!t->uldd_task) {
2335                         pm8001_handle_event(pm8001_ha, pm8001_dev,
2336                                     IO_DS_NON_OPERATIONAL);
2337                         ts->resp = SAS_TASK_UNDELIVERED;
2338                         ts->stat = SAS_QUEUE_FULL;
2339                         pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2340                         mb();/*ditto*/
2341                         spin_unlock_irq(&pm8001_ha->lock);
2342                         t->task_done(t);
2343                         spin_lock_irq(&pm8001_ha->lock);
2344                         return;
2345                 }
2346                 break;
2347         case IO_DS_IN_RECOVERY:
2348                 PM8001_IO_DBG(pm8001_ha,
2349                         pm8001_printk("  IO_DS_IN_RECOVERY\n"));
2350                 ts->resp = SAS_TASK_COMPLETE;
2351                 ts->stat = SAS_DEV_NO_RESPONSE;
2352                 break;
2353         case IO_DS_IN_ERROR:
2354                 PM8001_IO_DBG(pm8001_ha,
2355                         pm8001_printk("IO_DS_IN_ERROR\n"));
2356                 ts->resp = SAS_TASK_COMPLETE;
2357                 ts->stat = SAS_DEV_NO_RESPONSE;
2358                 if (!t->uldd_task) {
2359                         pm8001_handle_event(pm8001_ha, pm8001_dev,
2360                                     IO_DS_IN_ERROR);
2361                         ts->resp = SAS_TASK_UNDELIVERED;
2362                         ts->stat = SAS_QUEUE_FULL;
2363                         pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2364                         mb();/*ditto*/
2365                         spin_unlock_irq(&pm8001_ha->lock);
2366                         t->task_done(t);
2367                         spin_lock_irq(&pm8001_ha->lock);
2368                         return;
2369                 }
2370                 break;
2371         case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2372                 PM8001_IO_DBG(pm8001_ha,
2373                         pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2374                 ts->resp = SAS_TASK_COMPLETE;
2375                 ts->stat = SAS_OPEN_REJECT;
2376                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2377         default:
2378                 PM8001_IO_DBG(pm8001_ha,
2379                         pm8001_printk("Unknown status 0x%x\n", status));
2380                 /* not allowed case. Therefore, return failed status */
2381                 ts->resp = SAS_TASK_COMPLETE;
2382                 ts->stat = SAS_DEV_NO_RESPONSE;
2383                 break;
2384         }
2385         spin_lock_irq(&t->task_state_lock);
2386         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2387         t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2388         t->task_state_flags |= SAS_TASK_STATE_DONE;
2389         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2390                 spin_unlock_irq(&t->task_state_lock);
2391                 PM8001_FAIL_DBG(pm8001_ha,
2392                         pm8001_printk("task 0x%p done with io_status 0x%x"
2393                         " resp 0x%x stat 0x%x but aborted by upper layer!\n",
2394                         t, status, ts->resp, ts->stat));
2395                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2396         } else if (t->uldd_task) {
2397                 spin_unlock_irq(&t->task_state_lock);
2398                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2399                 mb();/* ditto */
2400                 spin_unlock_irq(&pm8001_ha->lock);
2401                 t->task_done(t);
2402                 spin_lock_irq(&pm8001_ha->lock);
2403         } else if (!t->uldd_task) {
2404                 spin_unlock_irq(&t->task_state_lock);
2405                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2406                 mb();/*ditto*/
2407                 spin_unlock_irq(&pm8001_ha->lock);
2408                 t->task_done(t);
2409                 spin_lock_irq(&pm8001_ha->lock);
2410         }
2411 }
2412
2413 /*See the comments for mpi_ssp_completion */
2414 static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
2415 {
2416         struct sas_task *t;
2417         struct task_status_struct *ts;
2418         struct pm8001_ccb_info *ccb;
2419         struct pm8001_device *pm8001_dev;
2420         struct sata_event_resp *psataPayload =
2421                 (struct sata_event_resp *)(piomb + 4);
2422         u32 event = le32_to_cpu(psataPayload->event);
2423         u32 tag = le32_to_cpu(psataPayload->tag);
2424         u32 port_id = le32_to_cpu(psataPayload->port_id);
2425         u32 dev_id = le32_to_cpu(psataPayload->device_id);
2426
2427         ccb = &pm8001_ha->ccb_info[tag];
2428         t = ccb->task;
2429         pm8001_dev = ccb->device;
2430         if (event)
2431                 PM8001_FAIL_DBG(pm8001_ha,
2432                         pm8001_printk("sata IO status 0x%x\n", event));
2433         if (unlikely(!t || !t->lldd_task || !t->dev))
2434                 return;
2435         ts = &t->task_status;
2436         PM8001_IO_DBG(pm8001_ha,
2437                 pm8001_printk("port_id = %x,device_id = %x\n",
2438                 port_id, dev_id));
2439         switch (event) {
2440         case IO_OVERFLOW:
2441                 PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2442                 ts->resp = SAS_TASK_COMPLETE;
2443                 ts->stat = SAS_DATA_OVERRUN;
2444                 ts->residual = 0;
2445                 if (pm8001_dev)
2446                         pm8001_dev->running_req--;
2447                 break;
2448         case IO_XFER_ERROR_BREAK:
2449                 PM8001_IO_DBG(pm8001_ha,
2450                         pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2451                 ts->resp = SAS_TASK_COMPLETE;
2452                 ts->stat = SAS_INTERRUPTED;
2453                 break;
2454         case IO_XFER_ERROR_PHY_NOT_READY:
2455                 PM8001_IO_DBG(pm8001_ha,
2456                         pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2457                 ts->resp = SAS_TASK_COMPLETE;
2458                 ts->stat = SAS_OPEN_REJECT;
2459                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2460                 break;
2461         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2462                 PM8001_IO_DBG(pm8001_ha,
2463                         pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
2464                         "_SUPPORTED\n"));
2465                 ts->resp = SAS_TASK_COMPLETE;
2466                 ts->stat = SAS_OPEN_REJECT;
2467                 ts->open_rej_reason = SAS_OREJ_EPROTO;
2468                 break;
2469         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2470                 PM8001_IO_DBG(pm8001_ha,
2471                         pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2472                 ts->resp = SAS_TASK_COMPLETE;
2473                 ts->stat = SAS_OPEN_REJECT;
2474                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2475                 break;
2476         case IO_OPEN_CNX_ERROR_BREAK:
2477                 PM8001_IO_DBG(pm8001_ha,
2478                         pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2479                 ts->resp = SAS_TASK_COMPLETE;
2480                 ts->stat = SAS_OPEN_REJECT;
2481                 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2482                 break;
2483         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2484                 PM8001_IO_DBG(pm8001_ha,
2485                         pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2486                 ts->resp = SAS_TASK_UNDELIVERED;
2487                 ts->stat = SAS_DEV_NO_RESPONSE;
2488                 if (!t->uldd_task) {
2489                         pm8001_handle_event(pm8001_ha,
2490                                 pm8001_dev,
2491                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2492                         ts->resp = SAS_TASK_COMPLETE;
2493                         ts->stat = SAS_QUEUE_FULL;
2494                         pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2495                         mb();/*ditto*/
2496                         spin_unlock_irq(&pm8001_ha->lock);
2497                         t->task_done(t);
2498                         spin_lock_irq(&pm8001_ha->lock);
2499                         return;
2500                 }
2501                 break;
2502         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2503                 PM8001_IO_DBG(pm8001_ha,
2504                         pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2505                 ts->resp = SAS_TASK_UNDELIVERED;
2506                 ts->stat = SAS_OPEN_REJECT;
2507                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2508                 break;
2509         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2510                 PM8001_IO_DBG(pm8001_ha,
2511                         pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
2512                         "NOT_SUPPORTED\n"));
2513                 ts->resp = SAS_TASK_COMPLETE;
2514                 ts->stat = SAS_OPEN_REJECT;
2515                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2516                 break;
2517         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2518                 PM8001_IO_DBG(pm8001_ha,
2519                        pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2520                 ts->resp = SAS_TASK_COMPLETE;
2521                 ts->stat = SAS_OPEN_REJECT;
2522                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2523                 break;
2524         case IO_XFER_ERROR_NAK_RECEIVED:
2525                 PM8001_IO_DBG(pm8001_ha,
2526                         pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
2527                 ts->resp = SAS_TASK_COMPLETE;
2528                 ts->stat = SAS_NAK_R_ERR;
2529                 break;
2530         case IO_XFER_ERROR_PEER_ABORTED:
2531                 PM8001_IO_DBG(pm8001_ha,
2532                         pm8001_printk("IO_XFER_ERROR_PEER_ABORTED\n"));
2533                 ts->resp = SAS_TASK_COMPLETE;
2534                 ts->stat = SAS_NAK_R_ERR;
2535                 break;
2536         case IO_XFER_ERROR_REJECTED_NCQ_MODE:
2537                 PM8001_IO_DBG(pm8001_ha,
2538                         pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
2539                 ts->resp = SAS_TASK_COMPLETE;
2540                 ts->stat = SAS_DATA_UNDERRUN;
2541                 break;
2542         case IO_XFER_OPEN_RETRY_TIMEOUT:
2543                 PM8001_IO_DBG(pm8001_ha,
2544                         pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2545                 ts->resp = SAS_TASK_COMPLETE;
2546                 ts->stat = SAS_OPEN_TO;
2547                 break;
2548         case IO_XFER_ERROR_UNEXPECTED_PHASE:
2549                 PM8001_IO_DBG(pm8001_ha,
2550                         pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
2551                 ts->resp = SAS_TASK_COMPLETE;
2552                 ts->stat = SAS_OPEN_TO;
2553                 break;
2554         case IO_XFER_ERROR_XFER_RDY_OVERRUN:
2555                 PM8001_IO_DBG(pm8001_ha,
2556                         pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
2557                 ts->resp = SAS_TASK_COMPLETE;
2558                 ts->stat = SAS_OPEN_TO;
2559                 break;
2560         case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
2561                 PM8001_IO_DBG(pm8001_ha,
2562                        pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
2563                 ts->resp = SAS_TASK_COMPLETE;
2564                 ts->stat = SAS_OPEN_TO;
2565                 break;
2566         case IO_XFER_ERROR_OFFSET_MISMATCH:
2567                 PM8001_IO_DBG(pm8001_ha,
2568                         pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
2569                 ts->resp = SAS_TASK_COMPLETE;
2570                 ts->stat = SAS_OPEN_TO;
2571                 break;
2572         case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
2573                 PM8001_IO_DBG(pm8001_ha,
2574                         pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
2575                 ts->resp = SAS_TASK_COMPLETE;
2576                 ts->stat = SAS_OPEN_TO;
2577                 break;
2578         case IO_XFER_CMD_FRAME_ISSUED:
2579                 PM8001_IO_DBG(pm8001_ha,
2580                         pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
2581                 break;
2582         case IO_XFER_PIO_SETUP_ERROR:
2583                 PM8001_IO_DBG(pm8001_ha,
2584                         pm8001_printk("IO_XFER_PIO_SETUP_ERROR\n"));
2585                 ts->resp = SAS_TASK_COMPLETE;
2586                 ts->stat = SAS_OPEN_TO;
2587                 break;
2588         default:
2589                 PM8001_IO_DBG(pm8001_ha,
2590                         pm8001_printk("Unknown status 0x%x\n", event));
2591                 /* not allowed case. Therefore, return failed status */
2592                 ts->resp = SAS_TASK_COMPLETE;
2593                 ts->stat = SAS_OPEN_TO;
2594                 break;
2595         }
2596         spin_lock_irq(&t->task_state_lock);
2597         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2598         t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2599         t->task_state_flags |= SAS_TASK_STATE_DONE;
2600         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2601                 spin_unlock_irq(&t->task_state_lock);
2602                 PM8001_FAIL_DBG(pm8001_ha,
2603                         pm8001_printk("task 0x%p done with io_status 0x%x"
2604                         " resp 0x%x stat 0x%x but aborted by upper layer!\n",
2605                         t, event, ts->resp, ts->stat));
2606                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2607         } else if (t->uldd_task) {
2608                 spin_unlock_irq(&t->task_state_lock);
2609                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2610                 mb();/* ditto */
2611                 spin_unlock_irq(&pm8001_ha->lock);
2612                 t->task_done(t);
2613                 spin_lock_irq(&pm8001_ha->lock);
2614         } else if (!t->uldd_task) {
2615                 spin_unlock_irq(&t->task_state_lock);
2616                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2617                 mb();/*ditto*/
2618                 spin_unlock_irq(&pm8001_ha->lock);
2619                 t->task_done(t);
2620                 spin_lock_irq(&pm8001_ha->lock);
2621         }
2622 }
2623
2624 /*See the comments for mpi_ssp_completion */
2625 static void
2626 mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
2627 {
2628         u32 param;
2629         struct sas_task *t;
2630         struct pm8001_ccb_info *ccb;
2631         unsigned long flags;
2632         u32 status;
2633         u32 tag;
2634         struct smp_completion_resp *psmpPayload;
2635         struct task_status_struct *ts;
2636         struct pm8001_device *pm8001_dev;
2637
2638         psmpPayload = (struct smp_completion_resp *)(piomb + 4);
2639         status = le32_to_cpu(psmpPayload->status);
2640         tag = le32_to_cpu(psmpPayload->tag);
2641
2642         ccb = &pm8001_ha->ccb_info[tag];
2643         param = le32_to_cpu(psmpPayload->param);
2644         t = ccb->task;
2645         ts = &t->task_status;
2646         pm8001_dev = ccb->device;
2647         if (status)
2648                 PM8001_FAIL_DBG(pm8001_ha,
2649                         pm8001_printk("smp IO status 0x%x\n", status));
2650         if (unlikely(!t || !t->lldd_task || !t->dev))
2651                 return;
2652
2653         switch (status) {
2654         case IO_SUCCESS:
2655                 PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
2656                 ts->resp = SAS_TASK_COMPLETE;
2657                 ts->stat = SAM_STAT_GOOD;
2658         if (pm8001_dev)
2659                         pm8001_dev->running_req--;
2660                 break;
2661         case IO_ABORTED:
2662                 PM8001_IO_DBG(pm8001_ha,
2663                         pm8001_printk("IO_ABORTED IOMB\n"));
2664                 ts->resp = SAS_TASK_COMPLETE;
2665                 ts->stat = SAS_ABORTED_TASK;
2666                 if (pm8001_dev)
2667                         pm8001_dev->running_req--;
2668                 break;
2669         case IO_OVERFLOW:
2670                 PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
2671                 ts->resp = SAS_TASK_COMPLETE;
2672                 ts->stat = SAS_DATA_OVERRUN;
2673                 ts->residual = 0;
2674                 if (pm8001_dev)
2675                         pm8001_dev->running_req--;
2676                 break;
2677         case IO_NO_DEVICE:
2678                 PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_NO_DEVICE\n"));
2679                 ts->resp = SAS_TASK_COMPLETE;
2680                 ts->stat = SAS_PHY_DOWN;
2681                 break;
2682         case IO_ERROR_HW_TIMEOUT:
2683                 PM8001_IO_DBG(pm8001_ha,
2684                         pm8001_printk("IO_ERROR_HW_TIMEOUT\n"));
2685                 ts->resp = SAS_TASK_COMPLETE;
2686                 ts->stat = SAM_STAT_BUSY;
2687                 break;
2688         case IO_XFER_ERROR_BREAK:
2689                 PM8001_IO_DBG(pm8001_ha,
2690                         pm8001_printk("IO_XFER_ERROR_BREAK\n"));
2691                 ts->resp = SAS_TASK_COMPLETE;
2692                 ts->stat = SAM_STAT_BUSY;
2693                 break;
2694         case IO_XFER_ERROR_PHY_NOT_READY:
2695                 PM8001_IO_DBG(pm8001_ha,
2696                         pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
2697                 ts->resp = SAS_TASK_COMPLETE;
2698                 ts->stat = SAM_STAT_BUSY;
2699                 break;
2700         case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
2701                 PM8001_IO_DBG(pm8001_ha,
2702                 pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
2703                 ts->resp = SAS_TASK_COMPLETE;
2704                 ts->stat = SAS_OPEN_REJECT;
2705                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2706                 break;
2707         case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
2708                 PM8001_IO_DBG(pm8001_ha,
2709                         pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
2710                 ts->resp = SAS_TASK_COMPLETE;
2711                 ts->stat = SAS_OPEN_REJECT;
2712                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2713                 break;
2714         case IO_OPEN_CNX_ERROR_BREAK:
2715                 PM8001_IO_DBG(pm8001_ha,
2716                         pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
2717                 ts->resp = SAS_TASK_COMPLETE;
2718                 ts->stat = SAS_OPEN_REJECT;
2719                 ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
2720                 break;
2721         case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
2722                 PM8001_IO_DBG(pm8001_ha,
2723                         pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
2724                 ts->resp = SAS_TASK_COMPLETE;
2725                 ts->stat = SAS_OPEN_REJECT;
2726                 ts->open_rej_reason = SAS_OREJ_UNKNOWN;
2727                 pm8001_handle_event(pm8001_ha,
2728                                 pm8001_dev,
2729                                 IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
2730                 break;
2731         case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
2732                 PM8001_IO_DBG(pm8001_ha,
2733                         pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
2734                 ts->resp = SAS_TASK_COMPLETE;
2735                 ts->stat = SAS_OPEN_REJECT;
2736                 ts->open_rej_reason = SAS_OREJ_BAD_DEST;
2737                 break;
2738         case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
2739                 PM8001_IO_DBG(pm8001_ha,
2740                         pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
2741                         "NOT_SUPPORTED\n"));
2742                 ts->resp = SAS_TASK_COMPLETE;
2743                 ts->stat = SAS_OPEN_REJECT;
2744                 ts->open_rej_reason = SAS_OREJ_CONN_RATE;
2745                 break;
2746         case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
2747                 PM8001_IO_DBG(pm8001_ha,
2748                        pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
2749                 ts->resp = SAS_TASK_COMPLETE;
2750                 ts->stat = SAS_OPEN_REJECT;
2751                 ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
2752                 break;
2753         case IO_XFER_ERROR_RX_FRAME:
2754                 PM8001_IO_DBG(pm8001_ha,
2755                         pm8001_printk("IO_XFER_ERROR_RX_FRAME\n"));
2756                 ts->resp = SAS_TASK_COMPLETE;
2757                 ts->stat = SAS_DEV_NO_RESPONSE;
2758                 break;
2759         case IO_XFER_OPEN_RETRY_TIMEOUT:
2760                 PM8001_IO_DBG(pm8001_ha,
2761                         pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
2762                 ts->resp = SAS_TASK_COMPLETE;
2763                 ts->stat = SAS_OPEN_REJECT;
2764                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2765                 break;
2766         case IO_ERROR_INTERNAL_SMP_RESOURCE:
2767                 PM8001_IO_DBG(pm8001_ha,
2768                         pm8001_printk("IO_ERROR_INTERNAL_SMP_RESOURCE\n"));
2769                 ts->resp = SAS_TASK_COMPLETE;
2770                 ts->stat = SAS_QUEUE_FULL;
2771                 break;
2772         case IO_PORT_IN_RESET:
2773                 PM8001_IO_DBG(pm8001_ha,
2774                         pm8001_printk("IO_PORT_IN_RESET\n"));
2775                 ts->resp = SAS_TASK_COMPLETE;
2776                 ts->stat = SAS_OPEN_REJECT;
2777                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2778                 break;
2779         case IO_DS_NON_OPERATIONAL:
2780                 PM8001_IO_DBG(pm8001_ha,
2781                         pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
2782                 ts->resp = SAS_TASK_COMPLETE;
2783                 ts->stat = SAS_DEV_NO_RESPONSE;
2784                 break;
2785         case IO_DS_IN_RECOVERY:
2786                 PM8001_IO_DBG(pm8001_ha,
2787                         pm8001_printk("IO_DS_IN_RECOVERY\n"));
2788                 ts->resp = SAS_TASK_COMPLETE;
2789                 ts->stat = SAS_OPEN_REJECT;
2790                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2791                 break;
2792         case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
2793                 PM8001_IO_DBG(pm8001_ha,
2794                         pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
2795                 ts->resp = SAS_TASK_COMPLETE;
2796                 ts->stat = SAS_OPEN_REJECT;
2797                 ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
2798                 break;
2799         default:
2800                 PM8001_IO_DBG(pm8001_ha,
2801                         pm8001_printk("Unknown status 0x%x\n", status));
2802                 ts->resp = SAS_TASK_COMPLETE;
2803                 ts->stat = SAS_DEV_NO_RESPONSE;
2804                 /* not allowed case. Therefore, return failed status */
2805                 break;
2806         }
2807         spin_lock_irqsave(&t->task_state_lock, flags);
2808         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
2809         t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
2810         t->task_state_flags |= SAS_TASK_STATE_DONE;
2811         if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
2812                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2813                 PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
2814                         " io_status 0x%x resp 0x%x "
2815                         "stat 0x%x but aborted by upper layer!\n",
2816                         t, status, ts->resp, ts->stat));
2817                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2818         } else {
2819                 spin_unlock_irqrestore(&t->task_state_lock, flags);
2820                 pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
2821                 mb();/* in order to force CPU ordering */
2822                 t->task_done(t);
2823         }
2824 }
2825
2826 static void
2827 mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2828 {
2829         struct set_dev_state_resp *pPayload =
2830                 (struct set_dev_state_resp *)(piomb + 4);
2831         u32 tag = le32_to_cpu(pPayload->tag);
2832         struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2833         struct pm8001_device *pm8001_dev = ccb->device;
2834         u32 status = le32_to_cpu(pPayload->status);
2835         u32 device_id = le32_to_cpu(pPayload->device_id);
2836         u8 pds = le32_to_cpu(pPayload->pds_nds) | PDS_BITS;
2837         u8 nds = le32_to_cpu(pPayload->pds_nds) | NDS_BITS;
2838         PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Set device id = 0x%x state "
2839                 "from 0x%x to 0x%x status = 0x%x!\n",
2840                 device_id, pds, nds, status));
2841         complete(pm8001_dev->setds_completion);
2842         ccb->task = NULL;
2843         ccb->ccb_tag = 0xFFFFFFFF;
2844         pm8001_ccb_free(pm8001_ha, tag);
2845 }
2846
2847 static void
2848 mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2849 {
2850         struct get_nvm_data_resp *pPayload =
2851                 (struct get_nvm_data_resp *)(piomb + 4);
2852         u32 tag = le32_to_cpu(pPayload->tag);
2853         struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2854         u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
2855         complete(pm8001_ha->nvmd_completion);
2856         PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Set nvm data complete!\n"));
2857         if ((dlen_status & NVMD_STAT) != 0) {
2858                 PM8001_FAIL_DBG(pm8001_ha,
2859                         pm8001_printk("Set nvm data error!\n"));
2860                 return;
2861         }
2862         ccb->task = NULL;
2863         ccb->ccb_tag = 0xFFFFFFFF;
2864         pm8001_ccb_free(pm8001_ha, tag);
2865 }
2866
2867 static void
2868 mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
2869 {
2870         struct fw_control_ex    *fw_control_context;
2871         struct get_nvm_data_resp *pPayload =
2872                 (struct get_nvm_data_resp *)(piomb + 4);
2873         u32 tag = le32_to_cpu(pPayload->tag);
2874         struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
2875         u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
2876         u32 ir_tds_bn_dps_das_nvm =
2877                 le32_to_cpu(pPayload->ir_tda_bn_dps_das_nvm);
2878         void *virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr;
2879         fw_control_context = ccb->fw_control_context;
2880
2881         PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Get nvm data complete!\n"));
2882         if ((dlen_status & NVMD_STAT) != 0) {
2883                 PM8001_FAIL_DBG(pm8001_ha,
2884                         pm8001_printk("Get nvm data error!\n"));
2885                 complete(pm8001_ha->nvmd_completion);
2886                 return;
2887         }
2888
2889         if (ir_tds_bn_dps_das_nvm & IPMode) {
2890                 /* indirect mode - IR bit set */
2891                 PM8001_MSG_DBG(pm8001_ha,
2892                         pm8001_printk("Get NVMD success, IR=1\n"));
2893                 if ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == TWI_DEVICE) {
2894                         if (ir_tds_bn_dps_das_nvm == 0x80a80200) {
2895                                 memcpy(pm8001_ha->sas_addr,
2896                                       ((u8 *)virt_addr + 4),
2897                                        SAS_ADDR_SIZE);
2898                                 PM8001_MSG_DBG(pm8001_ha,
2899                                         pm8001_printk("Get SAS address"
2900                                         " from VPD successfully!\n"));
2901                         }
2902                 } else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == C_SEEPROM)
2903                         || ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == VPD_FLASH) ||
2904                         ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == EXPAN_ROM)) {
2905                                 ;
2906                 } else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == AAP1_RDUMP)
2907                         || ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == IOP_RDUMP)) {
2908                         ;
2909                 } else {
2910                         /* Should not be happened*/
2911                         PM8001_MSG_DBG(pm8001_ha,
2912                                 pm8001_printk("(IR=1)Wrong Device type 0x%x\n",
2913                                 ir_tds_bn_dps_das_nvm));
2914                 }
2915         } else /* direct mode */{
2916                 PM8001_MSG_DBG(pm8001_ha,
2917                         pm8001_printk("Get NVMD success, IR=0, dataLen=%d\n",
2918                         (dlen_status & NVMD_LEN) >> 24));
2919         }
2920         memcpy(fw_control_context->usrAddr,
2921                 pm8001_ha->memoryMap.region[NVMD].virt_ptr,
2922                 fw_control_context->len);
2923         complete(pm8001_ha->nvmd_completion);
2924         ccb->task = NULL;
2925         ccb->ccb_tag = 0xFFFFFFFF;
2926         pm8001_ccb_free(pm8001_ha, tag);
2927 }
2928
2929 static int mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
2930 {
2931         struct local_phy_ctl_resp *pPayload =
2932                 (struct local_phy_ctl_resp *)(piomb + 4);
2933         u32 status = le32_to_cpu(pPayload->status);
2934         u32 phy_id = le32_to_cpu(pPayload->phyop_phyid) & ID_BITS;
2935         u32 phy_op = le32_to_cpu(pPayload->phyop_phyid) & OP_BITS;
2936         if (status != 0) {
2937                 PM8001_MSG_DBG(pm8001_ha,
2938                         pm8001_printk("%x phy execute %x phy op failed!\n",
2939                         phy_id, phy_op));
2940         } else
2941                 PM8001_MSG_DBG(pm8001_ha,
2942                         pm8001_printk("%x phy execute %x phy op success!\n",
2943                         phy_id, phy_op));
2944         return 0;
2945 }
2946
2947 /**
2948  * pm8001_bytes_dmaed - one of the interface function communication with libsas
2949  * @pm8001_ha: our hba card information
2950  * @i: which phy that received the event.
2951  *
2952  * when HBA driver received the identify done event or initiate FIS received
2953  * event(for SATA), it will invoke this function to notify the sas layer that
2954  * the sas toplogy has formed, please discover the the whole sas domain,
2955  * while receive a broadcast(change) primitive just tell the sas
2956  * layer to discover the changed domain rather than the whole domain.
2957  */
2958 static void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
2959 {
2960         struct pm8001_phy *phy = &pm8001_ha->phy[i];
2961         struct asd_sas_phy *sas_phy = &phy->sas_phy;
2962         struct sas_ha_struct *sas_ha;
2963         if (!phy->phy_attached)
2964                 return;
2965
2966         sas_ha = pm8001_ha->sas;
2967         if (sas_phy->phy) {
2968                 struct sas_phy *sphy = sas_phy->phy;
2969                 sphy->negotiated_linkrate = sas_phy->linkrate;
2970                 sphy->minimum_linkrate = phy->minimum_linkrate;
2971                 sphy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
2972                 sphy->maximum_linkrate = phy->maximum_linkrate;
2973                 sphy->maximum_linkrate_hw = phy->maximum_linkrate;
2974         }
2975
2976         if (phy->phy_type & PORT_TYPE_SAS) {
2977                 struct sas_identify_frame *id;
2978                 id = (struct sas_identify_frame *)phy->frame_rcvd;
2979                 id->dev_type = phy->identify.device_type;
2980                 id->initiator_bits = SAS_PROTOCOL_ALL;
2981                 id->target_bits = phy->identify.target_port_protocols;
2982         } else if (phy->phy_type & PORT_TYPE_SATA) {
2983                 /*Nothing*/
2984         }
2985         PM8001_MSG_DBG(pm8001_ha, pm8001_printk("phy %d byte dmaded.\n", i));
2986
2987         sas_phy->frame_rcvd_size = phy->frame_rcvd_size;
2988         pm8001_ha->sas->notify_port_event(sas_phy, PORTE_BYTES_DMAED);
2989 }
2990
2991 /* Get the link rate speed  */
2992 static void get_lrate_mode(struct pm8001_phy *phy, u8 link_rate)
2993 {
2994         struct sas_phy *sas_phy = phy->sas_phy.phy;
2995
2996         switch (link_rate) {
2997         case PHY_SPEED_60:
2998                 phy->sas_phy.linkrate = SAS_LINK_RATE_6_0_GBPS;
2999                 phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
3000                 break;
3001         case PHY_SPEED_30:
3002                 phy->sas_phy.linkrate = SAS_LINK_RATE_3_0_GBPS;
3003                 phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
3004                 break;
3005         case PHY_SPEED_15:
3006                 phy->sas_phy.linkrate = SAS_LINK_RATE_1_5_GBPS;
3007                 phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
3008                 break;
3009         }
3010         sas_phy->negotiated_linkrate = phy->sas_phy.linkrate;
3011         sas_phy->maximum_linkrate_hw = SAS_LINK_RATE_6_0_GBPS;
3012         sas_phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
3013         sas_phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS;
3014         sas_phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
3015 }
3016
3017 /**
3018  * asd_get_attached_sas_addr -- extract/generate attached SAS address
3019  * @phy: pointer to asd_phy
3020  * @sas_addr: pointer to buffer where the SAS address is to be written
3021  *
3022  * This function extracts the SAS address from an IDENTIFY frame
3023  * received.  If OOB is SATA, then a SAS address is generated from the
3024  * HA tables.
3025  *
3026  * LOCKING: the frame_rcvd_lock needs to be held since this parses the frame
3027  * buffer.
3028  */
3029 static void pm8001_get_attached_sas_addr(struct pm8001_phy *phy,
3030         u8 *sas_addr)
3031 {
3032         if (phy->sas_phy.frame_rcvd[0] == 0x34
3033                 && phy->sas_phy.oob_mode == SATA_OOB_MODE) {
3034                 struct pm8001_hba_info *pm8001_ha = phy->sas_phy.ha->lldd_ha;
3035                 /* FIS device-to-host */
3036                 u64 addr = be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr);
3037                 addr += phy->sas_phy.id;
3038                 *(__be64 *)sas_addr = cpu_to_be64(addr);
3039         } else {
3040                 struct sas_identify_frame *idframe =
3041                         (void *) phy->sas_phy.frame_rcvd;
3042                 memcpy(sas_addr, idframe->sas_addr, SAS_ADDR_SIZE);
3043         }
3044 }
3045
3046 /**
3047  * pm8001_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
3048  * @pm8001_ha: our hba card information
3049  * @Qnum: the outbound queue message number.
3050  * @SEA: source of event to ack
3051  * @port_id: port id.
3052  * @phyId: phy id.
3053  * @param0: parameter 0.
3054  * @param1: parameter 1.
3055  */
3056 static void pm8001_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
3057         u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
3058 {
3059         struct hw_event_ack_req  payload;
3060         u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
3061
3062         struct inbound_queue_table *circularQ;
3063
3064         memset((u8 *)&payload, 0, sizeof(payload));
3065         circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
3066         payload.tag = cpu_to_le32(1);
3067         payload.sea_phyid_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
3068                 ((phyId & 0x0F) << 4) | (port_id & 0x0F));
3069         payload.param0 = cpu_to_le32(param0);
3070         payload.param1 = cpu_to_le32(param1);
3071         mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
3072 }
3073
3074 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
3075         u32 phyId, u32 phy_op);
3076
3077 /**
3078  * hw_event_sas_phy_up -FW tells me a SAS phy up event.
3079  * @pm8001_ha: our hba card information
3080  * @piomb: IO message buffer
3081  */
3082 static void
3083 hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3084 {
3085         struct hw_event_resp *pPayload =
3086                 (struct hw_event_resp *)(piomb + 4);
3087         u32 lr_evt_status_phyid_portid =
3088                 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3089         u8 link_rate =
3090                 (u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3091         u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3092         u8 phy_id =
3093                 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3094         u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3095         u8 portstate = (u8)(npip_portstate & 0x0000000F);
3096         struct pm8001_port *port = &pm8001_ha->port[port_id];
3097         struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3098         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3099         unsigned long flags;
3100         u8 deviceType = pPayload->sas_identify.dev_type;
3101         port->port_state =  portstate;
3102         PM8001_MSG_DBG(pm8001_ha,
3103                 pm8001_printk("HW_EVENT_SAS_PHY_UP port id = %d, phy id = %d\n",
3104                 port_id, phy_id));
3105
3106         switch (deviceType) {
3107         case SAS_PHY_UNUSED:
3108                 PM8001_MSG_DBG(pm8001_ha,
3109                         pm8001_printk("device type no device.\n"));
3110                 break;
3111         case SAS_END_DEVICE:
3112                 PM8001_MSG_DBG(pm8001_ha, pm8001_printk("end device.\n"));
3113                 pm8001_chip_phy_ctl_req(pm8001_ha, phy_id,
3114                         PHY_NOTIFY_ENABLE_SPINUP);
3115                 port->port_attached = 1;
3116                 get_lrate_mode(phy, link_rate);
3117                 break;
3118         case SAS_EDGE_EXPANDER_DEVICE:
3119                 PM8001_MSG_DBG(pm8001_ha,
3120                         pm8001_printk("expander device.\n"));
3121                 port->port_attached = 1;
3122                 get_lrate_mode(phy, link_rate);
3123                 break;
3124         case SAS_FANOUT_EXPANDER_DEVICE:
3125                 PM8001_MSG_DBG(pm8001_ha,
3126                         pm8001_printk("fanout expander device.\n"));
3127                 port->port_attached = 1;
3128                 get_lrate_mode(phy, link_rate);
3129                 break;
3130         default:
3131                 PM8001_MSG_DBG(pm8001_ha,
3132                         pm8001_printk("unknown device type(%x)\n", deviceType));
3133                 break;
3134         }
3135         phy->phy_type |= PORT_TYPE_SAS;
3136         phy->identify.device_type = deviceType;
3137         phy->phy_attached = 1;
3138         if (phy->identify.device_type == SAS_END_DEVICE)
3139                 phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
3140         else if (phy->identify.device_type != SAS_PHY_UNUSED)
3141                 phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
3142         phy->sas_phy.oob_mode = SAS_OOB_MODE;
3143         sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
3144         spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3145         memcpy(phy->frame_rcvd, &pPayload->sas_identify,
3146                 sizeof(struct sas_identify_frame)-4);
3147         phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
3148         pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3149         spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3150         if (pm8001_ha->flags == PM8001F_RUN_TIME)
3151                 mdelay(200);/*delay a moment to wait disk to spinup*/
3152         pm8001_bytes_dmaed(pm8001_ha, phy_id);
3153 }
3154
3155 /**
3156  * hw_event_sata_phy_up -FW tells me a SATA phy up event.
3157  * @pm8001_ha: our hba card information
3158  * @piomb: IO message buffer
3159  */
3160 static void
3161 hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
3162 {
3163         struct hw_event_resp *pPayload =
3164                 (struct hw_event_resp *)(piomb + 4);
3165         u32 lr_evt_status_phyid_portid =
3166                 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3167         u8 link_rate =
3168                 (u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
3169         u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3170         u8 phy_id =
3171                 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3172         u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3173         u8 portstate = (u8)(npip_portstate & 0x0000000F);
3174         struct pm8001_port *port = &pm8001_ha->port[port_id];
3175         struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3176         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3177         unsigned long flags;
3178         PM8001_MSG_DBG(pm8001_ha,
3179                 pm8001_printk("HW_EVENT_SATA_PHY_UP port id = %d,"
3180                 " phy id = %d\n", port_id, phy_id));
3181         port->port_state =  portstate;
3182         port->port_attached = 1;
3183         get_lrate_mode(phy, link_rate);
3184         phy->phy_type |= PORT_TYPE_SATA;
3185         phy->phy_attached = 1;
3186         phy->sas_phy.oob_mode = SATA_OOB_MODE;
3187         sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
3188         spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
3189         memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
3190                 sizeof(struct dev_to_host_fis));
3191         phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
3192         phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
3193         phy->identify.device_type = SATA_DEV;
3194         pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
3195         spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
3196         pm8001_bytes_dmaed(pm8001_ha, phy_id);
3197 }
3198
3199 /**
3200  * hw_event_phy_down -we should notify the libsas the phy is down.
3201  * @pm8001_ha: our hba card information
3202  * @piomb: IO message buffer
3203  */
3204 static void
3205 hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
3206 {
3207         struct hw_event_resp *pPayload =
3208                 (struct hw_event_resp *)(piomb + 4);
3209         u32 lr_evt_status_phyid_portid =
3210                 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3211         u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3212         u8 phy_id =
3213                 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3214         u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
3215         u8 portstate = (u8)(npip_portstate & 0x0000000F);
3216         struct pm8001_port *port = &pm8001_ha->port[port_id];
3217         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3218         port->port_state =  portstate;
3219         phy->phy_type = 0;
3220         phy->identify.device_type = 0;
3221         phy->phy_attached = 0;
3222         memset(&phy->dev_sas_addr, 0, SAS_ADDR_SIZE);
3223         switch (portstate) {
3224         case PORT_VALID:
3225                 break;
3226         case PORT_INVALID:
3227                 PM8001_MSG_DBG(pm8001_ha,
3228                         pm8001_printk(" PortInvalid portID %d\n", port_id));
3229                 PM8001_MSG_DBG(pm8001_ha,
3230                         pm8001_printk(" Last phy Down and port invalid\n"));
3231                 port->port_attached = 0;
3232                 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3233                         port_id, phy_id, 0, 0);
3234                 break;
3235         case PORT_IN_RESET:
3236                 PM8001_MSG_DBG(pm8001_ha,
3237                         pm8001_printk(" Port In Reset portID %d\n", port_id));
3238                 break;
3239         case PORT_NOT_ESTABLISHED:
3240                 PM8001_MSG_DBG(pm8001_ha,
3241                         pm8001_printk(" phy Down and PORT_NOT_ESTABLISHED\n"));
3242                 port->port_attached = 0;
3243                 break;
3244         case PORT_LOSTCOMM:
3245                 PM8001_MSG_DBG(pm8001_ha,
3246                         pm8001_printk(" phy Down and PORT_LOSTCOMM\n"));
3247                 PM8001_MSG_DBG(pm8001_ha,
3248                         pm8001_printk(" Last phy Down and port invalid\n"));
3249                 port->port_attached = 0;
3250                 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
3251                         port_id, phy_id, 0, 0);
3252                 break;
3253         default:
3254                 port->port_attached = 0;
3255                 PM8001_MSG_DBG(pm8001_ha,
3256                         pm8001_printk(" phy Down and(default) = %x\n",
3257                         portstate));
3258                 break;
3259
3260         }
3261 }
3262
3263 /**
3264  * mpi_reg_resp -process register device ID response.
3265  * @pm8001_ha: our hba card information
3266  * @piomb: IO message buffer
3267  *
3268  * when sas layer find a device it will notify LLDD, then the driver register
3269  * the domain device to FW, this event is the return device ID which the FW
3270  * has assigned, from now,inter-communication with FW is no longer using the
3271  * SAS address, use device ID which FW assigned.
3272  */
3273 static int mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3274 {
3275         u32 status;
3276         u32 device_id;
3277         u32 htag;
3278         struct pm8001_ccb_info *ccb;
3279         struct pm8001_device *pm8001_dev;
3280         struct dev_reg_resp *registerRespPayload =
3281                 (struct dev_reg_resp *)(piomb + 4);
3282
3283         htag = le32_to_cpu(registerRespPayload->tag);
3284         ccb = &pm8001_ha->ccb_info[htag];
3285         pm8001_dev = ccb->device;
3286         status = le32_to_cpu(registerRespPayload->status);
3287         device_id = le32_to_cpu(registerRespPayload->device_id);
3288         PM8001_MSG_DBG(pm8001_ha,
3289                 pm8001_printk(" register device is status = %d\n", status));
3290         switch (status) {
3291         case DEVREG_SUCCESS:
3292                 PM8001_MSG_DBG(pm8001_ha, pm8001_printk("DEVREG_SUCCESS\n"));
3293                 pm8001_dev->device_id = device_id;
3294                 break;
3295         case DEVREG_FAILURE_OUT_OF_RESOURCE:
3296                 PM8001_MSG_DBG(pm8001_ha,
3297                         pm8001_printk("DEVREG_FAILURE_OUT_OF_RESOURCE\n"));
3298                 break;
3299         case DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED:
3300                 PM8001_MSG_DBG(pm8001_ha,
3301                    pm8001_printk("DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED\n"));
3302                 break;
3303         case DEVREG_FAILURE_INVALID_PHY_ID:
3304                 PM8001_MSG_DBG(pm8001_ha,
3305                         pm8001_printk("DEVREG_FAILURE_INVALID_PHY_ID\n"));
3306                 break;
3307         case DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED:
3308                 PM8001_MSG_DBG(pm8001_ha,
3309                    pm8001_printk("DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED\n"));
3310                 break;
3311         case DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE:
3312                 PM8001_MSG_DBG(pm8001_ha,
3313                         pm8001_printk("DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE\n"));
3314                 break;
3315         case DEVREG_FAILURE_PORT_NOT_VALID_STATE:
3316                 PM8001_MSG_DBG(pm8001_ha,
3317                         pm8001_printk("DEVREG_FAILURE_PORT_NOT_VALID_STATE\n"));
3318                 break;
3319         case DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID:
3320                 PM8001_MSG_DBG(pm8001_ha,
3321                        pm8001_printk("DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID\n"));
3322                 break;
3323         default:
3324                 PM8001_MSG_DBG(pm8001_ha,
3325                  pm8001_printk("DEVREG_FAILURE_DEVICE_TYPE_NOT_UNSORPORTED\n"));
3326                 break;
3327         }
3328         complete(pm8001_dev->dcompletion);
3329         ccb->task = NULL;
3330         ccb->ccb_tag = 0xFFFFFFFF;
3331         pm8001_ccb_free(pm8001_ha, htag);
3332         return 0;
3333 }
3334
3335 static int mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3336 {
3337         u32 status;
3338         u32 device_id;
3339         struct dev_reg_resp *registerRespPayload =
3340                 (struct dev_reg_resp *)(piomb + 4);
3341
3342         status = le32_to_cpu(registerRespPayload->status);
3343         device_id = le32_to_cpu(registerRespPayload->device_id);
3344         if (status != 0)
3345                 PM8001_MSG_DBG(pm8001_ha,
3346                         pm8001_printk(" deregister device failed ,status = %x"
3347                         ", device_id = %x\n", status, device_id));
3348         return 0;
3349 }
3350
3351 static int
3352 mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3353 {
3354         u32 status;
3355         struct fw_control_ex    fw_control_context;
3356         struct fw_flash_Update_resp *ppayload =
3357                 (struct fw_flash_Update_resp *)(piomb + 4);
3358         u32 tag = ppayload->tag;
3359         struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
3360         status = le32_to_cpu(ppayload->status);
3361         memcpy(&fw_control_context,
3362                 ccb->fw_control_context,
3363                 sizeof(fw_control_context));
3364         switch (status) {
3365         case FLASH_UPDATE_COMPLETE_PENDING_REBOOT:
3366                 PM8001_MSG_DBG(pm8001_ha,
3367                 pm8001_printk(": FLASH_UPDATE_COMPLETE_PENDING_REBOOT\n"));
3368                 break;
3369         case FLASH_UPDATE_IN_PROGRESS:
3370                 PM8001_MSG_DBG(pm8001_ha,
3371                         pm8001_printk(": FLASH_UPDATE_IN_PROGRESS\n"));
3372                 break;
3373         case FLASH_UPDATE_HDR_ERR:
3374                 PM8001_MSG_DBG(pm8001_ha,
3375                         pm8001_printk(": FLASH_UPDATE_HDR_ERR\n"));
3376                 break;
3377         case FLASH_UPDATE_OFFSET_ERR:
3378                 PM8001_MSG_DBG(pm8001_ha,
3379                         pm8001_printk(": FLASH_UPDATE_OFFSET_ERR\n"));
3380                 break;
3381         case FLASH_UPDATE_CRC_ERR:
3382                 PM8001_MSG_DBG(pm8001_ha,
3383                         pm8001_printk(": FLASH_UPDATE_CRC_ERR\n"));
3384                 break;
3385         case FLASH_UPDATE_LENGTH_ERR:
3386                 PM8001_MSG_DBG(pm8001_ha,
3387                         pm8001_printk(": FLASH_UPDATE_LENGTH_ERR\n"));
3388                 break;
3389         case FLASH_UPDATE_HW_ERR:
3390                 PM8001_MSG_DBG(pm8001_ha,
3391                         pm8001_printk(": FLASH_UPDATE_HW_ERR\n"));
3392                 break;
3393         case FLASH_UPDATE_DNLD_NOT_SUPPORTED:
3394                 PM8001_MSG_DBG(pm8001_ha,
3395                         pm8001_printk(": FLASH_UPDATE_DNLD_NOT_SUPPORTED\n"));
3396                 break;
3397         case FLASH_UPDATE_DISABLED:
3398                 PM8001_MSG_DBG(pm8001_ha,
3399                         pm8001_printk(": FLASH_UPDATE_DISABLED\n"));
3400                 break;
3401         default:
3402                 PM8001_MSG_DBG(pm8001_ha,
3403                         pm8001_printk("No matched status = %d\n", status));
3404                 break;
3405         }
3406         ccb->fw_control_context->fw_control->retcode = status;
3407         pci_free_consistent(pm8001_ha->pdev,
3408                         fw_control_context.len,
3409                         fw_control_context.virtAddr,
3410                         fw_control_context.phys_addr);
3411         complete(pm8001_ha->nvmd_completion);
3412         ccb->task = NULL;
3413         ccb->ccb_tag = 0xFFFFFFFF;
3414         pm8001_ccb_free(pm8001_ha, tag);
3415         return 0;
3416 }
3417
3418 static int
3419 mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
3420 {
3421         u32 status;
3422         int i;
3423         struct general_event_resp *pPayload =
3424                 (struct general_event_resp *)(piomb + 4);
3425         status = le32_to_cpu(pPayload->status);
3426         PM8001_MSG_DBG(pm8001_ha,
3427                 pm8001_printk(" status = 0x%x\n", status));
3428         for (i = 0; i < GENERAL_EVENT_PAYLOAD; i++)
3429                 PM8001_MSG_DBG(pm8001_ha,
3430                         pm8001_printk("inb_IOMB_payload[0x%x] 0x%x,\n", i,
3431                         pPayload->inb_IOMB_payload[i]));
3432         return 0;
3433 }
3434
3435 static int
3436 mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
3437 {
3438         struct sas_task *t;
3439         struct pm8001_ccb_info *ccb;
3440         unsigned long flags;
3441         u32 status ;
3442         u32 tag, scp;
3443         struct task_status_struct *ts;
3444
3445         struct task_abort_resp *pPayload =
3446                 (struct task_abort_resp *)(piomb + 4);
3447
3448         status = le32_to_cpu(pPayload->status);
3449         tag = le32_to_cpu(pPayload->tag);
3450         scp = le32_to_cpu(pPayload->scp);
3451         ccb = &pm8001_ha->ccb_info[tag];
3452         t = ccb->task;
3453         PM8001_IO_DBG(pm8001_ha,
3454                 pm8001_printk(" status = 0x%x\n", status));
3455         if (t == NULL)
3456                 return -1;
3457         ts = &t->task_status;
3458         if (status != 0)
3459                 PM8001_FAIL_DBG(pm8001_ha,
3460                         pm8001_printk("task abort failed status 0x%x ,"
3461                         "tag = 0x%x, scp= 0x%x\n", status, tag, scp));
3462         switch (status) {
3463         case IO_SUCCESS:
3464                 PM8001_EH_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
3465                 ts->resp = SAS_TASK_COMPLETE;
3466                 ts->stat = SAM_STAT_GOOD;
3467                 break;
3468         case IO_NOT_VALID:
3469                 PM8001_EH_DBG(pm8001_ha, pm8001_printk("IO_NOT_VALID\n"));
3470                 ts->resp = TMF_RESP_FUNC_FAILED;
3471                 break;
3472         }
3473         spin_lock_irqsave(&t->task_state_lock, flags);
3474         t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
3475         t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
3476         t->task_state_flags |= SAS_TASK_STATE_DONE;
3477         spin_unlock_irqrestore(&t->task_state_lock, flags);
3478         pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
3479         mb();
3480         t->task_done(t);
3481         return 0;
3482 }
3483
3484 /**
3485  * mpi_hw_event -The hw event has come.
3486  * @pm8001_ha: our hba card information
3487  * @piomb: IO message buffer
3488  */
3489 static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
3490 {
3491         unsigned long flags;
3492         struct hw_event_resp *pPayload =
3493                 (struct hw_event_resp *)(piomb + 4);
3494         u32 lr_evt_status_phyid_portid =
3495                 le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
3496         u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
3497         u8 phy_id =
3498                 (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
3499         u16 eventType =
3500                 (u16)((lr_evt_status_phyid_portid & 0x00FFFF00) >> 8);
3501         u8 status =
3502                 (u8)((lr_evt_status_phyid_portid & 0x0F000000) >> 24);
3503         struct sas_ha_struct *sas_ha = pm8001_ha->sas;
3504         struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
3505         struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
3506         PM8001_MSG_DBG(pm8001_ha,
3507                 pm8001_printk("outbound queue HW event & event type : "));
3508         switch (eventType) {
3509         case HW_EVENT_PHY_START_STATUS:
3510                 PM8001_MSG_DBG(pm8001_ha,
3511                 pm8001_printk("HW_EVENT_PHY_START_STATUS"
3512                         " status = %x\n", status));
3513                 if (status == 0) {
3514                         phy->phy_state = 1;
3515                         if (pm8001_ha->flags == PM8001F_RUN_TIME)
3516                                 complete(phy->enable_completion);
3517                 }
3518                 break;
3519         case HW_EVENT_SAS_PHY_UP:
3520                 PM8001_MSG_DBG(pm8001_ha,
3521                         pm8001_printk("HW_EVENT_PHY_START_STATUS\n"));
3522                 hw_event_sas_phy_up(pm8001_ha, piomb);
3523                 break;
3524         case HW_EVENT_SATA_PHY_UP:
3525                 PM8001_MSG_DBG(pm8001_ha,
3526                         pm8001_printk("HW_EVENT_SATA_PHY_UP\n"));
3527                 hw_event_sata_phy_up(pm8001_ha, piomb);
3528                 break;
3529         case HW_EVENT_PHY_STOP_STATUS:
3530                 PM8001_MSG_DBG(pm8001_ha,
3531                         pm8001_printk("HW_EVENT_PHY_STOP_STATUS "
3532                         "status = %x\n", status));
3533                 if (status == 0)
3534                         phy->phy_state = 0;
3535                 break;
3536         case HW_EVENT_SATA_SPINUP_HOLD:
3537                 PM8001_MSG_DBG(pm8001_ha,
3538                         pm8001_printk("HW_EVENT_SATA_SPINUP_HOLD\n"));
3539                 sas_ha->notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD);
3540                 break;
3541         case HW_EVENT_PHY_DOWN:
3542                 PM8001_MSG_DBG(pm8001_ha,
3543                         pm8001_printk("HW_EVENT_PHY_DOWN\n"));
3544                 sas_ha->notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL);
3545                 phy->phy_attached = 0;
3546                 phy->phy_state = 0;
3547                 hw_event_phy_down(pm8001_ha, piomb);
3548                 break;
3549         case HW_EVENT_PORT_INVALID:
3550                 PM8001_MSG_DBG(pm8001_ha,
3551                         pm8001_printk("HW_EVENT_PORT_INVALID\n"));
3552                 sas_phy_disconnected(sas_phy);
3553                 phy->phy_attached = 0;
3554                 sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3555                 break;
3556         /* the broadcast change primitive received, tell the LIBSAS this event
3557         to revalidate the sas domain*/
3558         case HW_EVENT_BROADCAST_CHANGE:
3559                 PM8001_MSG_DBG(pm8001_ha,
3560                         pm8001_printk("HW_EVENT_BROADCAST_CHANGE\n"));
3561                 pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
3562                         port_id, phy_id, 1, 0);
3563                 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3564                 sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
3565                 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3566                 sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3567                 break;
3568         case HW_EVENT_PHY_ERROR:
3569                 PM8001_MSG_DBG(pm8001_ha,
3570                         pm8001_printk("HW_EVENT_PHY_ERROR\n"));
3571                 sas_phy_disconnected(&phy->sas_phy);
3572                 phy->phy_attached = 0;
3573                 sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR);
3574                 break;
3575         case HW_EVENT_BROADCAST_EXP:
3576                 PM8001_MSG_DBG(pm8001_ha,
3577                         pm8001_printk("HW_EVENT_BROADCAST_EXP\n"));
3578                 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3579                 sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
3580                 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3581                 sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3582                 break;
3583         case HW_EVENT_LINK_ERR_INVALID_DWORD:
3584                 PM8001_MSG_DBG(pm8001_ha,
3585                         pm8001_printk("HW_EVENT_LINK_ERR_INVALID_DWORD\n"));
3586                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3587                         HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
3588                 sas_phy_disconnected(sas_phy);
3589                 phy->phy_attached = 0;
3590                 sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3591                 break;
3592         case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
3593                 PM8001_MSG_DBG(pm8001_ha,
3594                         pm8001_printk("HW_EVENT_LINK_ERR_DISPARITY_ERROR\n"));
3595                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3596                         HW_EVENT_LINK_ERR_DISPARITY_ERROR,
3597                         port_id, phy_id, 0, 0);
3598                 sas_phy_disconnected(sas_phy);
3599                 phy->phy_attached = 0;
3600                 sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3601                 break;
3602         case HW_EVENT_LINK_ERR_CODE_VIOLATION:
3603                 PM8001_MSG_DBG(pm8001_ha,
3604                         pm8001_printk("HW_EVENT_LINK_ERR_CODE_VIOLATION\n"));
3605                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3606                         HW_EVENT_LINK_ERR_CODE_VIOLATION,
3607                         port_id, phy_id, 0, 0);
3608                 sas_phy_disconnected(sas_phy);
3609                 phy->phy_attached = 0;
3610                 sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3611                 break;
3612         case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
3613                 PM8001_MSG_DBG(pm8001_ha,
3614                       pm8001_printk("HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n"));
3615                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3616                         HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
3617                         port_id, phy_id, 0, 0);
3618                 sas_phy_disconnected(sas_phy);
3619                 phy->phy_attached = 0;
3620                 sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3621                 break;
3622         case HW_EVENT_MALFUNCTION:
3623                 PM8001_MSG_DBG(pm8001_ha,
3624                         pm8001_printk("HW_EVENT_MALFUNCTION\n"));
3625                 break;
3626         case HW_EVENT_BROADCAST_SES:
3627                 PM8001_MSG_DBG(pm8001_ha,
3628                         pm8001_printk("HW_EVENT_BROADCAST_SES\n"));
3629                 spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
3630                 sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
3631                 spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
3632                 sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
3633                 break;
3634         case HW_EVENT_INBOUND_CRC_ERROR:
3635                 PM8001_MSG_DBG(pm8001_ha,
3636                         pm8001_printk("HW_EVENT_INBOUND_CRC_ERROR\n"));
3637                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3638                         HW_EVENT_INBOUND_CRC_ERROR,
3639                         port_id, phy_id, 0, 0);
3640                 break;
3641         case HW_EVENT_HARD_RESET_RECEIVED:
3642                 PM8001_MSG_DBG(pm8001_ha,
3643                         pm8001_printk("HW_EVENT_HARD_RESET_RECEIVED\n"));
3644                 sas_ha->notify_port_event(sas_phy, PORTE_HARD_RESET);
3645                 break;
3646         case HW_EVENT_ID_FRAME_TIMEOUT:
3647                 PM8001_MSG_DBG(pm8001_ha,
3648                         pm8001_printk("HW_EVENT_ID_FRAME_TIMEOUT\n"));
3649                 sas_phy_disconnected(sas_phy);
3650                 phy->phy_attached = 0;
3651                 sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3652                 break;
3653         case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
3654                 PM8001_MSG_DBG(pm8001_ha,
3655                         pm8001_printk("HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n"));
3656                 pm8001_hw_event_ack_req(pm8001_ha, 0,
3657                         HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
3658                         port_id, phy_id, 0, 0);
3659                 sas_phy_disconnected(sas_phy);
3660                 phy->phy_attached = 0;
3661                 sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3662                 break;
3663         case HW_EVENT_PORT_RESET_TIMER_TMO:
3664                 PM8001_MSG_DBG(pm8001_ha,
3665                         pm8001_printk("HW_EVENT_PORT_RESET_TIMER_TMO\n"));
3666                 sas_phy_disconnected(sas_phy);
3667                 phy->phy_attached = 0;
3668                 sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3669                 break;
3670         case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
3671                 PM8001_MSG_DBG(pm8001_ha,
3672                         pm8001_printk("HW_EVENT_PORT_RECOVERY_TIMER_TMO\n"));
3673                 sas_phy_disconnected(sas_phy);
3674                 phy->phy_attached = 0;
3675                 sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
3676                 break;
3677         case HW_EVENT_PORT_RECOVER:
3678                 PM8001_MSG_DBG(pm8001_ha,
3679                         pm8001_printk("HW_EVENT_PORT_RECOVER\n"));
3680                 break;
3681         case HW_EVENT_PORT_RESET_COMPLETE:
3682                 PM8001_MSG_DBG(pm8001_ha,
3683                         pm8001_printk("HW_EVENT_PORT_RESET_COMPLETE\n"));
3684                 break;
3685         case EVENT_BROADCAST_ASYNCH_EVENT:
3686                 PM8001_MSG_DBG(pm8001_ha,
3687                         pm8001_printk("EVENT_BROADCAST_ASYNCH_EVENT\n"));
3688                 break;
3689         default:
3690                 PM8001_MSG_DBG(pm8001_ha,
3691                         pm8001_printk("Unknown event type = %x\n", eventType));
3692                 break;
3693         }
3694         return 0;
3695 }
3696
3697 /**
3698  * process_one_iomb - process one outbound Queue memory block
3699  * @pm8001_ha: our hba card information
3700  * @piomb: IO message buffer
3701  */
3702 static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
3703 {
3704         u32 pHeader = (u32)*(u32 *)piomb;
3705         u8 opc = (u8)(pHeader & 0xFFF);
3706
3707         PM8001_MSG_DBG(pm8001_ha, pm8001_printk("process_one_iomb:"));
3708
3709         switch (opc) {
3710         case OPC_OUB_ECHO:
3711                 PM8001_MSG_DBG(pm8001_ha, pm8001_printk("OPC_OUB_ECHO\n"));
3712                 break;
3713         case OPC_OUB_HW_EVENT:
3714                 PM8001_MSG_DBG(pm8001_ha,
3715                         pm8001_printk("OPC_OUB_HW_EVENT\n"));
3716                 mpi_hw_event(pm8001_ha, piomb);
3717                 break;
3718         case OPC_OUB_SSP_COMP:
3719                 PM8001_MSG_DBG(pm8001_ha,
3720                         pm8001_printk("OPC_OUB_SSP_COMP\n"));
3721                 mpi_ssp_completion(pm8001_ha, piomb);
3722                 break;
3723         case OPC_OUB_SMP_COMP:
3724                 PM8001_MSG_DBG(pm8001_ha,
3725                         pm8001_printk("OPC_OUB_SMP_COMP\n"));
3726                 mpi_smp_completion(pm8001_ha, piomb);
3727                 break;
3728         case OPC_OUB_LOCAL_PHY_CNTRL:
3729                 PM8001_MSG_DBG(pm8001_ha,
3730                         pm8001_printk("OPC_OUB_LOCAL_PHY_CNTRL\n"));
3731                 mpi_local_phy_ctl(pm8001_ha, piomb);
3732                 break;
3733         case OPC_OUB_DEV_REGIST:
3734                 PM8001_MSG_DBG(pm8001_ha,
3735                         pm8001_printk("OPC_OUB_DEV_REGIST\n"));
3736                 mpi_reg_resp(pm8001_ha, piomb);
3737                 break;
3738         case OPC_OUB_DEREG_DEV:
3739                 PM8001_MSG_DBG(pm8001_ha,
3740                         pm8001_printk("unregister the device\n"));
3741                 mpi_dereg_resp(pm8001_ha, piomb);
3742                 break;
3743         case OPC_OUB_GET_DEV_HANDLE:
3744                 PM8001_MSG_DBG(pm8001_ha,
3745                         pm8001_printk("OPC_OUB_GET_DEV_HANDLE\n"));
3746                 break;
3747         case OPC_OUB_SATA_COMP:
3748                 PM8001_MSG_DBG(pm8001_ha,
3749                         pm8001_printk("OPC_OUB_SATA_COMP\n"));
3750                 mpi_sata_completion(pm8001_ha, piomb);
3751                 break;
3752         case OPC_OUB_SATA_EVENT:
3753                 PM8001_MSG_DBG(pm8001_ha,
3754                         pm8001_printk("OPC_OUB_SATA_EVENT\n"));
3755                 mpi_sata_event(pm8001_ha, piomb);
3756                 break;
3757         case OPC_OUB_SSP_EVENT:
3758                 PM8001_MSG_DBG(pm8001_ha,
3759                         pm8001_printk("OPC_OUB_SSP_EVENT\n"));
3760                 mpi_ssp_event(pm8001_ha, piomb);
3761                 break;
3762         case OPC_OUB_DEV_HANDLE_ARRIV:
3763                 PM8001_MSG_DBG(pm8001_ha,
3764                         pm8001_printk("OPC_OUB_DEV_HANDLE_ARRIV\n"));
3765                 /*This is for target*/
3766                 break;
3767         case OPC_OUB_SSP_RECV_EVENT:
3768                 PM8001_MSG_DBG(pm8001_ha,
3769                         pm8001_printk("OPC_OUB_SSP_RECV_EVENT\n"));
3770                 /*This is for target*/
3771                 break;
3772         case OPC_OUB_DEV_INFO:
3773                 PM8001_MSG_DBG(pm8001_ha,
3774                         pm8001_printk("OPC_OUB_DEV_INFO\n"));
3775                 break;
3776         case OPC_OUB_FW_FLASH_UPDATE:
3777                 PM8001_MSG_DBG(pm8001_ha,
3778                         pm8001_printk("OPC_OUB_FW_FLASH_UPDATE\n"));
3779                 mpi_fw_flash_update_resp(pm8001_ha, piomb);
3780                 break;
3781         case OPC_OUB_GPIO_RESPONSE:
3782                 PM8001_MSG_DBG(pm8001_ha,
3783                         pm8001_printk("OPC_OUB_GPIO_RESPONSE\n"));
3784                 break;
3785         case OPC_OUB_GPIO_EVENT:
3786                 PM8001_MSG_DBG(pm8001_ha,
3787                         pm8001_printk("OPC_OUB_GPIO_EVENT\n"));
3788                 break;
3789         case OPC_OUB_GENERAL_EVENT:
3790                 PM8001_MSG_DBG(pm8001_ha,
3791                         pm8001_printk("OPC_OUB_GENERAL_EVENT\n"));
3792                 mpi_general_event(pm8001_ha, piomb);
3793                 break;
3794         case OPC_OUB_SSP_ABORT_RSP:
3795                 PM8001_MSG_DBG(pm8001_ha,
3796                         pm8001_printk("OPC_OUB_SSP_ABORT_RSP\n"));
3797                 mpi_task_abort_resp(pm8001_ha, piomb);
3798                 break;
3799         case OPC_OUB_SATA_ABORT_RSP:
3800                 PM8001_MSG_DBG(pm8001_ha,
3801                         pm8001_printk("OPC_OUB_SATA_ABORT_RSP\n"));
3802                 mpi_task_abort_resp(pm8001_ha, piomb);
3803                 break;
3804         case OPC_OUB_SAS_DIAG_MODE_START_END:
3805                 PM8001_MSG_DBG(pm8001_ha,
3806                         pm8001_printk("OPC_OUB_SAS_DIAG_MODE_START_END\n"));
3807                 break;
3808         case OPC_OUB_SAS_DIAG_EXECUTE:
3809                 PM8001_MSG_DBG(pm8001_ha,
3810                         pm8001_printk("OPC_OUB_SAS_DIAG_EXECUTE\n"));
3811                 break;
3812         case OPC_OUB_GET_TIME_STAMP:
3813                 PM8001_MSG_DBG(pm8001_ha,
3814                         pm8001_printk("OPC_OUB_GET_TIME_STAMP\n"));
3815                 break;
3816         case OPC_OUB_SAS_HW_EVENT_ACK:
3817                 PM8001_MSG_DBG(pm8001_ha,
3818                         pm8001_printk("OPC_OUB_SAS_HW_EVENT_ACK\n"));
3819                 break;
3820         case OPC_OUB_PORT_CONTROL:
3821                 PM8001_MSG_DBG(pm8001_ha,
3822                         pm8001_printk("OPC_OUB_PORT_CONTROL\n"));
3823                 break;
3824         case OPC_OUB_SMP_ABORT_RSP:
3825                 PM8001_MSG_DBG(pm8001_ha,
3826                         pm8001_printk("OPC_OUB_SMP_ABORT_RSP\n"));
3827                 mpi_task_abort_resp(pm8001_ha, piomb);
3828                 break;
3829         case OPC_OUB_GET_NVMD_DATA:
3830                 PM8001_MSG_DBG(pm8001_ha,
3831                         pm8001_printk("OPC_OUB_GET_NVMD_DATA\n"));
3832                 mpi_get_nvmd_resp(pm8001_ha, piomb);
3833                 break;
3834         case OPC_OUB_SET_NVMD_DATA:
3835                 PM8001_MSG_DBG(pm8001_ha,
3836                         pm8001_printk("OPC_OUB_SET_NVMD_DATA\n"));
3837                 mpi_set_nvmd_resp(pm8001_ha, piomb);
3838                 break;
3839         case OPC_OUB_DEVICE_HANDLE_REMOVAL:
3840                 PM8001_MSG_DBG(pm8001_ha,
3841                         pm8001_printk("OPC_OUB_DEVICE_HANDLE_REMOVAL\n"));
3842                 break;
3843         case OPC_OUB_SET_DEVICE_STATE:
3844                 PM8001_MSG_DBG(pm8001_ha,
3845                         pm8001_printk("OPC_OUB_SET_DEVICE_STATE\n"));
3846                 mpi_set_dev_state_resp(pm8001_ha, piomb);
3847                 break;
3848         case OPC_OUB_GET_DEVICE_STATE:
3849                 PM8001_MSG_DBG(pm8001_ha,
3850                         pm8001_printk("OPC_OUB_GET_DEVICE_STATE\n"));
3851                 break;
3852         case OPC_OUB_SET_DEV_INFO:
3853                 PM8001_MSG_DBG(pm8001_ha,
3854                         pm8001_printk("OPC_OUB_SET_DEV_INFO\n"));
3855                 break;
3856         case OPC_OUB_SAS_RE_INITIALIZE:
3857                 PM8001_MSG_DBG(pm8001_ha,
3858                         pm8001_printk("OPC_OUB_SAS_RE_INITIALIZE\n"));
3859                 break;
3860         default:
3861                 PM8001_MSG_DBG(pm8001_ha,
3862                         pm8001_printk("Unknown outbound Queue IOMB OPC = %x\n",
3863                         opc));
3864                 break;
3865         }
3866 }
3867
3868 static int process_oq(struct pm8001_hba_info *pm8001_ha)
3869 {
3870         struct outbound_queue_table *circularQ;
3871         void *pMsg1 = NULL;
3872         u8 uninitialized_var(bc);
3873         u32 ret = MPI_IO_STATUS_FAIL;
3874         unsigned long flags;
3875
3876         spin_lock_irqsave(&pm8001_ha->lock, flags);
3877         circularQ = &pm8001_ha->outbnd_q_tbl[0];
3878         do {
3879                 ret = mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
3880                 if (MPI_IO_STATUS_SUCCESS == ret) {
3881                         /* process the outbound message */
3882                         process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
3883                         /* free the message from the outbound circular buffer */
3884                         mpi_msg_free_set(pm8001_ha, pMsg1, circularQ, bc);
3885                 }
3886                 if (MPI_IO_STATUS_BUSY == ret) {
3887                         /* Update the producer index from SPC */
3888                         circularQ->producer_index =
3889                                 cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
3890                         if (le32_to_cpu(circularQ->producer_index) ==
3891                                 circularQ->consumer_idx)
3892                                 /* OQ is empty */
3893                                 break;
3894                 }
3895         } while (1);
3896         spin_unlock_irqrestore(&pm8001_ha->lock, flags);
3897         return ret;
3898 }
3899
3900 /* PCI_DMA_... to our direction translation. */
3901 static const u8 data_dir_flags[] = {
3902         [PCI_DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT,/* UNSPECIFIED */
3903         [PCI_DMA_TODEVICE]      = DATA_DIR_OUT,/* OUTBOUND */
3904         [PCI_DMA_FROMDEVICE]    = DATA_DIR_IN,/* INBOUND */
3905         [PCI_DMA_NONE]          = DATA_DIR_NONE,/* NO TRANSFER */
3906 };
3907 static void
3908 pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd)
3909 {
3910         int i;
3911         struct scatterlist *sg;
3912         struct pm8001_prd *buf_prd = prd;
3913
3914         for_each_sg(scatter, sg, nr, i) {
3915                 buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
3916                 buf_prd->im_len.len = cpu_to_le32(sg_dma_len(sg));
3917                 buf_prd->im_len.e = 0;
3918                 buf_prd++;
3919         }
3920 }
3921
3922 static void build_smp_cmd(u32 deviceID, __le32 hTag, struct smp_req *psmp_cmd)
3923 {
3924         psmp_cmd->tag = hTag;
3925         psmp_cmd->device_id = cpu_to_le32(deviceID);
3926         psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
3927 }
3928
3929 /**
3930  * pm8001_chip_smp_req - send a SMP task to FW
3931  * @pm8001_ha: our hba card information.
3932  * @ccb: the ccb information this request used.
3933  */
3934 static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
3935         struct pm8001_ccb_info *ccb)
3936 {
3937         int elem, rc;
3938         struct sas_task *task = ccb->task;
3939         struct domain_device *dev = task->dev;
3940         struct pm8001_device *pm8001_dev = dev->lldd_dev;
3941         struct scatterlist *sg_req, *sg_resp;
3942         u32 req_len, resp_len;
3943         struct smp_req smp_cmd;
3944         u32 opc;
3945         struct inbound_queue_table *circularQ;
3946
3947         memset(&smp_cmd, 0, sizeof(smp_cmd));
3948         /*
3949          * DMA-map SMP request, response buffers
3950          */
3951         sg_req = &task->smp_task.smp_req;
3952         elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, PCI_DMA_TODEVICE);
3953         if (!elem)
3954                 return -ENOMEM;
3955         req_len = sg_dma_len(sg_req);
3956
3957         sg_resp = &task->smp_task.smp_resp;
3958         elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, PCI_DMA_FROMDEVICE);
3959         if (!elem) {
3960                 rc = -ENOMEM;
3961                 goto err_out;
3962         }
3963         resp_len = sg_dma_len(sg_resp);
3964         /* must be in dwords */
3965         if ((req_len & 0x3) || (resp_len & 0x3)) {
3966                 rc = -EINVAL;
3967                 goto err_out_2;
3968         }
3969
3970         opc = OPC_INB_SMP_REQUEST;
3971         circularQ = &pm8001_ha->inbnd_q_tbl[0];
3972         smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
3973         smp_cmd.long_smp_req.long_req_addr =
3974                 cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
3975         smp_cmd.long_smp_req.long_req_size =
3976                 cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
3977         smp_cmd.long_smp_req.long_resp_addr =
3978                 cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_resp));
3979         smp_cmd.long_smp_req.long_resp_size =
3980                 cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
3981         build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd);
3982         mpi_build_cmd(pm8001_ha, circularQ, opc, (u32 *)&smp_cmd);
3983         return 0;
3984
3985 err_out_2:
3986         dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
3987                         PCI_DMA_FROMDEVICE);
3988 err_out:
3989         dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
3990                         PCI_DMA_TODEVICE);
3991         return rc;
3992 }
3993
3994 /**
3995  * pm8001_chip_ssp_io_req - send a SSP task to FW
3996  * @pm8001_ha: our hba card information.
3997  * @ccb: the ccb information this request used.
3998  */
3999 static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
4000         struct pm8001_ccb_info *ccb)
4001 {
4002         struct sas_task *task = ccb->task;
4003         struct domain_device *dev = task->dev;
4004         struct pm8001_device *pm8001_dev = dev->lldd_dev;
4005         struct ssp_ini_io_start_req ssp_cmd;
4006         u32 tag = ccb->ccb_tag;
4007         int ret;
4008         u64 phys_addr;
4009         struct inbound_queue_table *circularQ;
4010         u32 opc = OPC_INB_SSPINIIOSTART;
4011         memset(&ssp_cmd, 0, sizeof(ssp_cmd));
4012         memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
4013         ssp_cmd.dir_m_tlr =
4014                 cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);/*0 for
4015         SAS 1.1 compatible TLR*/
4016         ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4017         ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4018         ssp_cmd.tag = cpu_to_le32(tag);
4019         if (task->ssp_task.enable_first_burst)
4020                 ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
4021         ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
4022         ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
4023         memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cdb, 16);
4024         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4025
4026         /* fill in PRD (scatter/gather) table, if any */
4027         if (task->num_scatter > 1) {
4028                 pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4029                 phys_addr = ccb->ccb_dma_handle +
4030                                 offsetof(struct pm8001_ccb_info, buf_prd[0]);
4031                 ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(phys_addr));
4032                 ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(phys_addr));
4033                 ssp_cmd.esgl = cpu_to_le32(1<<31);
4034         } else if (task->num_scatter == 1) {
4035                 u64 dma_addr = sg_dma_address(task->scatter);
4036                 ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
4037                 ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(dma_addr));
4038                 ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4039                 ssp_cmd.esgl = 0;
4040         } else if (task->num_scatter == 0) {
4041                 ssp_cmd.addr_low = 0;
4042                 ssp_cmd.addr_high = 0;
4043                 ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
4044                 ssp_cmd.esgl = 0;
4045         }
4046         ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &ssp_cmd);
4047         return ret;
4048 }
4049
4050 static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
4051         struct pm8001_ccb_info *ccb)
4052 {
4053         struct sas_task *task = ccb->task;
4054         struct domain_device *dev = task->dev;
4055         struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
4056         u32 tag = ccb->ccb_tag;
4057         int ret;
4058         struct sata_start_req sata_cmd;
4059         u32 hdr_tag, ncg_tag = 0;
4060         u64 phys_addr;
4061         u32 ATAP = 0x0;
4062         u32 dir;
4063         struct inbound_queue_table *circularQ;
4064         u32  opc = OPC_INB_SATA_HOST_OPSTART;
4065         memset(&sata_cmd, 0, sizeof(sata_cmd));
4066         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4067         if (task->data_dir == PCI_DMA_NONE) {
4068                 ATAP = 0x04;  /* no data*/
4069                 PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data\n"));
4070         } else if (likely(!task->ata_task.device_control_reg_update)) {
4071                 if (task->ata_task.dma_xfer) {
4072                         ATAP = 0x06; /* DMA */
4073                         PM8001_IO_DBG(pm8001_ha, pm8001_printk("DMA\n"));
4074                 } else {
4075                         ATAP = 0x05; /* PIO*/
4076                         PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO\n"));
4077                 }
4078                 if (task->ata_task.use_ncq &&
4079                         dev->sata_dev.command_set != ATAPI_COMMAND_SET) {
4080                         ATAP = 0x07; /* FPDMA */
4081                         PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA\n"));
4082                 }
4083         }
4084         if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag))
4085                 ncg_tag = hdr_tag;
4086         dir = data_dir_flags[task->data_dir] << 8;
4087         sata_cmd.tag = cpu_to_le32(tag);
4088         sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
4089         sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
4090         sata_cmd.ncqtag_atap_dir_m =
4091                 cpu_to_le32(((ncg_tag & 0xff)<<16)|((ATAP & 0x3f) << 10) | dir);
4092         sata_cmd.sata_fis = task->ata_task.fis;
4093         if (likely(!task->ata_task.device_control_reg_update))
4094                 sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
4095         sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
4096         /* fill in PRD (scatter/gather) table, if any */
4097         if (task->num_scatter > 1) {
4098                 pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
4099                 phys_addr = ccb->ccb_dma_handle +
4100                                 offsetof(struct pm8001_ccb_info, buf_prd[0]);
4101                 sata_cmd.addr_low = lower_32_bits(phys_addr);
4102                 sata_cmd.addr_high = upper_32_bits(phys_addr);
4103                 sata_cmd.esgl = cpu_to_le32(1 << 31);
4104         } else if (task->num_scatter == 1) {
4105                 u64 dma_addr = sg_dma_address(task->scatter);
4106                 sata_cmd.addr_low = lower_32_bits(dma_addr);
4107                 sata_cmd.addr_high = upper_32_bits(dma_addr);
4108                 sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4109                 sata_cmd.esgl = 0;
4110         } else if (task->num_scatter == 0) {
4111                 sata_cmd.addr_low = 0;
4112                 sata_cmd.addr_high = 0;
4113                 sata_cmd.len = cpu_to_le32(task->total_xfer_len);
4114                 sata_cmd.esgl = 0;
4115         }
4116         ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd);
4117         return ret;
4118 }
4119
4120 /**
4121  * pm8001_chip_phy_start_req - start phy via PHY_START COMMAND
4122  * @pm8001_ha: our hba card information.
4123  * @num: the inbound queue number
4124  * @phy_id: the phy id which we wanted to start up.
4125  */
4126 static int
4127 pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
4128 {
4129         struct phy_start_req payload;
4130         struct inbound_queue_table *circularQ;
4131         int ret;
4132         u32 tag = 0x01;
4133         u32 opcode = OPC_INB_PHYSTART;
4134         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4135         memset(&payload, 0, sizeof(payload));
4136         payload.tag = cpu_to_le32(tag);
4137         /*
4138          ** [0:7]   PHY Identifier
4139          ** [8:11]  link rate 1.5G, 3G, 6G
4140          ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b both
4141          ** [14]    0b disable spin up hold; 1b enable spin up hold
4142          */
4143         payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
4144                 LINKMODE_AUTO | LINKRATE_15 |
4145                 LINKRATE_30 | LINKRATE_60 | phy_id);
4146         payload.sas_identify.dev_type = SAS_END_DEV;
4147         payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
4148         memcpy(payload.sas_identify.sas_addr,
4149                 pm8001_ha->sas_addr, SAS_ADDR_SIZE);
4150         payload.sas_identify.phy_id = phy_id;
4151         ret = mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload);
4152         return ret;
4153 }
4154
4155 /**
4156  * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
4157  * @pm8001_ha: our hba card information.
4158  * @num: the inbound queue number
4159  * @phy_id: the phy id which we wanted to start up.
4160  */
4161 static int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
4162         u8 phy_id)
4163 {
4164         struct phy_stop_req payload;
4165         struct inbound_queue_table *circularQ;
4166         int ret;
4167         u32 tag = 0x01;
4168         u32 opcode = OPC_INB_PHYSTOP;
4169         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4170         memset(&payload, 0, sizeof(payload));
4171         payload.tag = cpu_to_le32(tag);
4172         payload.phy_id = cpu_to_le32(phy_id);
4173         ret = mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload);
4174         return ret;
4175 }
4176
4177 /**
4178  * see comments on mpi_reg_resp.
4179  */
4180 static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
4181         struct pm8001_device *pm8001_dev, u32 flag)
4182 {
4183         struct reg_dev_req payload;
4184         u32     opc;
4185         u32 stp_sspsmp_sata = 0x4;
4186         struct inbound_queue_table *circularQ;
4187         u32 linkrate, phy_id;
4188         int rc, tag = 0xdeadbeef;
4189         struct pm8001_ccb_info *ccb;
4190         u8 retryFlag = 0x1;
4191         u16 firstBurstSize = 0;
4192         u16 ITNT = 2000;
4193         struct domain_device *dev = pm8001_dev->sas_device;
4194         struct domain_device *parent_dev = dev->parent;
4195         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4196
4197         memset(&payload, 0, sizeof(payload));
4198         rc = pm8001_tag_alloc(pm8001_ha, &tag);
4199         if (rc)
4200                 return rc;
4201         ccb = &pm8001_ha->ccb_info[tag];
4202         ccb->device = pm8001_dev;
4203         ccb->ccb_tag = tag;
4204         payload.tag = cpu_to_le32(tag);
4205         if (flag == 1)
4206                 stp_sspsmp_sata = 0x02; /*direct attached sata */
4207         else {
4208                 if (pm8001_dev->dev_type == SATA_DEV)
4209                         stp_sspsmp_sata = 0x00; /* stp*/
4210                 else if (pm8001_dev->dev_type == SAS_END_DEV ||
4211                         pm8001_dev->dev_type == EDGE_DEV ||
4212                         pm8001_dev->dev_type == FANOUT_DEV)
4213                         stp_sspsmp_sata = 0x01; /*ssp or smp*/
4214         }
4215         if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type))
4216                 phy_id = parent_dev->ex_dev.ex_phy->phy_id;
4217         else
4218                 phy_id = pm8001_dev->attached_phy;
4219         opc = OPC_INB_REG_DEV;
4220         linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
4221                         pm8001_dev->sas_device->linkrate : dev->port->linkrate;
4222         payload.phyid_portid =
4223                 cpu_to_le32(((pm8001_dev->sas_device->port->id) & 0x0F) |
4224                 ((phy_id & 0x0F) << 4));
4225         payload.dtype_dlr_retry = cpu_to_le32((retryFlag & 0x01) |
4226                 ((linkrate & 0x0F) * 0x1000000) |
4227                 ((stp_sspsmp_sata & 0x03) * 0x10000000));
4228         payload.firstburstsize_ITNexustimeout =
4229                 cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
4230         memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
4231                 SAS_ADDR_SIZE);
4232         rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4233         return rc;
4234 }
4235
4236 /**
4237  * see comments on mpi_reg_resp.
4238  */
4239 static int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha,
4240         u32 device_id)
4241 {
4242         struct dereg_dev_req payload;
4243         u32 opc = OPC_INB_DEREG_DEV_HANDLE;
4244         int ret;
4245         struct inbound_queue_table *circularQ;
4246
4247         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4248         memset(&payload, 0, sizeof(payload));
4249         payload.tag = cpu_to_le32(1);
4250         payload.device_id = cpu_to_le32(device_id);
4251         PM8001_MSG_DBG(pm8001_ha,
4252                 pm8001_printk("unregister device device_id = %d\n", device_id));
4253         ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4254         return ret;
4255 }
4256
4257 /**
4258  * pm8001_chip_phy_ctl_req - support the local phy operation
4259  * @pm8001_ha: our hba card information.
4260  * @num: the inbound queue number
4261  * @phy_id: the phy id which we wanted to operate
4262  * @phy_op:
4263  */
4264 static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
4265         u32 phyId, u32 phy_op)
4266 {
4267         struct local_phy_ctl_req payload;
4268         struct inbound_queue_table *circularQ;
4269         int ret;
4270         u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
4271         memset(&payload, 0, sizeof(payload));
4272         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4273         payload.tag = cpu_to_le32(1);
4274         payload.phyop_phyid =
4275                 cpu_to_le32(((phy_op & 0xff) << 8) | (phyId & 0x0F));
4276         ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4277         return ret;
4278 }
4279
4280 static u32 pm8001_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha)
4281 {
4282         u32 value;
4283 #ifdef PM8001_USE_MSIX
4284         return 1;
4285 #endif
4286         value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
4287         if (value)
4288                 return 1;
4289         return 0;
4290
4291 }
4292
4293 /**
4294  * pm8001_chip_isr - PM8001 isr handler.
4295  * @pm8001_ha: our hba card information.
4296  * @irq: irq number.
4297  * @stat: stat.
4298  */
4299 static irqreturn_t
4300 pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha)
4301 {
4302         pm8001_chip_interrupt_disable(pm8001_ha);
4303         process_oq(pm8001_ha);
4304         pm8001_chip_interrupt_enable(pm8001_ha);
4305         return IRQ_HANDLED;
4306 }
4307
4308 static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc,
4309         u32 dev_id, u8 flag, u32 task_tag, u32 cmd_tag)
4310 {
4311         struct task_abort_req task_abort;
4312         struct inbound_queue_table *circularQ;
4313         int ret;
4314         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4315         memset(&task_abort, 0, sizeof(task_abort));
4316         if (ABORT_SINGLE == (flag & ABORT_MASK)) {
4317                 task_abort.abort_all = 0;
4318                 task_abort.device_id = cpu_to_le32(dev_id);
4319                 task_abort.tag_to_abort = cpu_to_le32(task_tag);
4320                 task_abort.tag = cpu_to_le32(cmd_tag);
4321         } else if (ABORT_ALL == (flag & ABORT_MASK)) {
4322                 task_abort.abort_all = cpu_to_le32(1);
4323                 task_abort.device_id = cpu_to_le32(dev_id);
4324                 task_abort.tag = cpu_to_le32(cmd_tag);
4325         }
4326         ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort);
4327         return ret;
4328 }
4329
4330 /**
4331  * pm8001_chip_abort_task - SAS abort task when error or exception happened.
4332  * @task: the task we wanted to aborted.
4333  * @flag: the abort flag.
4334  */
4335 static int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
4336         struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag, u32 cmd_tag)
4337 {
4338         u32 opc, device_id;
4339         int rc = TMF_RESP_FUNC_FAILED;
4340         PM8001_EH_DBG(pm8001_ha, pm8001_printk("cmd_tag = %x, abort task tag"
4341                 " = %x", cmd_tag, task_tag));
4342         if (pm8001_dev->dev_type == SAS_END_DEV)
4343                 opc = OPC_INB_SSP_ABORT;
4344         else if (pm8001_dev->dev_type == SATA_DEV)
4345                 opc = OPC_INB_SATA_ABORT;
4346         else
4347                 opc = OPC_INB_SMP_ABORT;/* SMP */
4348         device_id = pm8001_dev->device_id;
4349         rc = send_task_abort(pm8001_ha, opc, device_id, flag,
4350                 task_tag, cmd_tag);
4351         if (rc != TMF_RESP_FUNC_COMPLETE)
4352                 PM8001_EH_DBG(pm8001_ha, pm8001_printk("rc= %d\n", rc));
4353         return rc;
4354 }
4355
4356 /**
4357  * pm8001_chip_ssp_tm_req - built the task management command.
4358  * @pm8001_ha: our hba card information.
4359  * @ccb: the ccb information.
4360  * @tmf: task management function.
4361  */
4362 static int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
4363         struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf)
4364 {
4365         struct sas_task *task = ccb->task;
4366         struct domain_device *dev = task->dev;
4367         struct pm8001_device *pm8001_dev = dev->lldd_dev;
4368         u32 opc = OPC_INB_SSPINITMSTART;
4369         struct inbound_queue_table *circularQ;
4370         struct ssp_ini_tm_start_req sspTMCmd;
4371         int ret;
4372
4373         memset(&sspTMCmd, 0, sizeof(sspTMCmd));
4374         sspTMCmd.device_id = cpu_to_le32(pm8001_dev->device_id);
4375         sspTMCmd.relate_tag = cpu_to_le32(tmf->tag_of_task_to_be_managed);
4376         sspTMCmd.tmf = cpu_to_le32(tmf->tmf);
4377         memcpy(sspTMCmd.lun, task->ssp_task.LUN, 8);
4378         sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag);
4379         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4380         ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &sspTMCmd);
4381         return ret;
4382 }
4383
4384 static int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4385         void *payload)
4386 {
4387         u32 opc = OPC_INB_GET_NVMD_DATA;
4388         u32 nvmd_type;
4389         int rc;
4390         u32 tag;
4391         struct pm8001_ccb_info *ccb;
4392         struct inbound_queue_table *circularQ;
4393         struct get_nvm_data_req nvmd_req;
4394         struct fw_control_ex *fw_control_context;
4395         struct pm8001_ioctl_payload *ioctl_payload = payload;
4396
4397         nvmd_type = ioctl_payload->minor_function;
4398         fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4399         if (!fw_control_context)
4400                 return -ENOMEM;
4401         fw_control_context->usrAddr = (u8 *)&ioctl_payload->func_specific[0];
4402         fw_control_context->len = ioctl_payload->length;
4403         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4404         memset(&nvmd_req, 0, sizeof(nvmd_req));
4405         rc = pm8001_tag_alloc(pm8001_ha, &tag);
4406         if (rc) {
4407                 kfree(fw_control_context);
4408                 return rc;
4409         }
4410         ccb = &pm8001_ha->ccb_info[tag];
4411         ccb->ccb_tag = tag;
4412         ccb->fw_control_context = fw_control_context;
4413         nvmd_req.tag = cpu_to_le32(tag);
4414
4415         switch (nvmd_type) {
4416         case TWI_DEVICE: {
4417                 u32 twi_addr, twi_page_size;
4418                 twi_addr = 0xa8;
4419                 twi_page_size = 2;
4420
4421                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4422                         twi_page_size << 8 | TWI_DEVICE);
4423                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4424                 nvmd_req.resp_addr_hi =
4425                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4426                 nvmd_req.resp_addr_lo =
4427                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4428                 break;
4429         }
4430         case C_SEEPROM: {
4431                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4432                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4433                 nvmd_req.resp_addr_hi =
4434                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4435                 nvmd_req.resp_addr_lo =
4436                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4437                 break;
4438         }
4439         case VPD_FLASH: {
4440                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4441                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4442                 nvmd_req.resp_addr_hi =
4443                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4444                 nvmd_req.resp_addr_lo =
4445                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4446                 break;
4447         }
4448         case EXPAN_ROM: {
4449                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4450                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4451                 nvmd_req.resp_addr_hi =
4452                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4453                 nvmd_req.resp_addr_lo =
4454                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4455                 break;
4456         }
4457         default:
4458                 break;
4459         }
4460         rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req);
4461         return rc;
4462 }
4463
4464 static int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
4465         void *payload)
4466 {
4467         u32 opc = OPC_INB_SET_NVMD_DATA;
4468         u32 nvmd_type;
4469         int rc;
4470         u32 tag;
4471         struct pm8001_ccb_info *ccb;
4472         struct inbound_queue_table *circularQ;
4473         struct set_nvm_data_req nvmd_req;
4474         struct fw_control_ex *fw_control_context;
4475         struct pm8001_ioctl_payload *ioctl_payload = payload;
4476
4477         nvmd_type = ioctl_payload->minor_function;
4478         fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4479         if (!fw_control_context)
4480                 return -ENOMEM;
4481         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4482         memcpy(pm8001_ha->memoryMap.region[NVMD].virt_ptr,
4483                 ioctl_payload->func_specific,
4484                 ioctl_payload->length);
4485         memset(&nvmd_req, 0, sizeof(nvmd_req));
4486         rc = pm8001_tag_alloc(pm8001_ha, &tag);
4487         if (rc) {
4488                 kfree(fw_control_context);
4489                 return rc;
4490         }
4491         ccb = &pm8001_ha->ccb_info[tag];
4492         ccb->fw_control_context = fw_control_context;
4493         ccb->ccb_tag = tag;
4494         nvmd_req.tag = cpu_to_le32(tag);
4495         switch (nvmd_type) {
4496         case TWI_DEVICE: {
4497                 u32 twi_addr, twi_page_size;
4498                 twi_addr = 0xa8;
4499                 twi_page_size = 2;
4500                 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4501                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
4502                         twi_page_size << 8 | TWI_DEVICE);
4503                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4504                 nvmd_req.resp_addr_hi =
4505                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4506                 nvmd_req.resp_addr_lo =
4507                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4508                 break;
4509         }
4510         case C_SEEPROM:
4511                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
4512                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4513                 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4514                 nvmd_req.resp_addr_hi =
4515                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4516                 nvmd_req.resp_addr_lo =
4517                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4518                 break;
4519         case VPD_FLASH:
4520                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
4521                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4522                 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4523                 nvmd_req.resp_addr_hi =
4524                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4525                 nvmd_req.resp_addr_lo =
4526                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4527                 break;
4528         case EXPAN_ROM:
4529                 nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
4530                 nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
4531                 nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
4532                 nvmd_req.resp_addr_hi =
4533                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
4534                 nvmd_req.resp_addr_lo =
4535                     cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
4536                 break;
4537         default:
4538                 break;
4539         }
4540         rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req);
4541         return rc;
4542 }
4543
4544 /**
4545  * pm8001_chip_fw_flash_update_build - support the firmware update operation
4546  * @pm8001_ha: our hba card information.
4547  * @fw_flash_updata_info: firmware flash update param
4548  */
4549 static int
4550 pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
4551         void *fw_flash_updata_info, u32 tag)
4552 {
4553         struct fw_flash_Update_req payload;
4554         struct fw_flash_updata_info *info;
4555         struct inbound_queue_table *circularQ;
4556         int ret;
4557         u32 opc = OPC_INB_FW_FLASH_UPDATE;
4558
4559         memset(&payload, 0, sizeof(struct fw_flash_Update_req));
4560         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4561         info = fw_flash_updata_info;
4562         payload.tag = cpu_to_le32(tag);
4563         payload.cur_image_len = cpu_to_le32(info->cur_image_len);
4564         payload.cur_image_offset = cpu_to_le32(info->cur_image_offset);
4565         payload.total_image_len = cpu_to_le32(info->total_image_len);
4566         payload.len = info->sgl.im_len.len ;
4567         payload.sgl_addr_lo =
4568                 cpu_to_le32(lower_32_bits(le64_to_cpu(info->sgl.addr)));
4569         payload.sgl_addr_hi =
4570                 cpu_to_le32(upper_32_bits(le64_to_cpu(info->sgl.addr)));
4571         ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4572         return ret;
4573 }
4574
4575 static int
4576 pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
4577         void *payload)
4578 {
4579         struct fw_flash_updata_info flash_update_info;
4580         struct fw_control_info *fw_control;
4581         struct fw_control_ex *fw_control_context;
4582         int rc;
4583         u32 tag;
4584         struct pm8001_ccb_info *ccb;
4585         void *buffer = NULL;
4586         dma_addr_t phys_addr;
4587         u32 phys_addr_hi;
4588         u32 phys_addr_lo;
4589         struct pm8001_ioctl_payload *ioctl_payload = payload;
4590
4591         fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
4592         if (!fw_control_context)
4593                 return -ENOMEM;
4594         fw_control = (struct fw_control_info *)&ioctl_payload->func_specific[0];
4595         if (fw_control->len != 0) {
4596                 if (pm8001_mem_alloc(pm8001_ha->pdev,
4597                         (void **)&buffer,
4598                         &phys_addr,
4599                         &phys_addr_hi,
4600                         &phys_addr_lo,
4601                         fw_control->len, 0) != 0) {
4602                                 PM8001_FAIL_DBG(pm8001_ha,
4603                                         pm8001_printk("Mem alloc failure\n"));
4604                                 kfree(fw_control_context);
4605                                 return -ENOMEM;
4606                 }
4607         }
4608         memcpy(buffer, fw_control->buffer, fw_control->len);
4609         flash_update_info.sgl.addr = cpu_to_le64(phys_addr);
4610         flash_update_info.sgl.im_len.len = cpu_to_le32(fw_control->len);
4611         flash_update_info.sgl.im_len.e = 0;
4612         flash_update_info.cur_image_offset = fw_control->offset;
4613         flash_update_info.cur_image_len = fw_control->len;
4614         flash_update_info.total_image_len = fw_control->size;
4615         fw_control_context->fw_control = fw_control;
4616         fw_control_context->virtAddr = buffer;
4617         fw_control_context->len = fw_control->len;
4618         rc = pm8001_tag_alloc(pm8001_ha, &tag);
4619         if (rc) {
4620                 kfree(fw_control_context);
4621                 return rc;
4622         }
4623         ccb = &pm8001_ha->ccb_info[tag];
4624         ccb->fw_control_context = fw_control_context;
4625         ccb->ccb_tag = tag;
4626         rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info,
4627                 tag);
4628         return rc;
4629 }
4630
4631 static int
4632 pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
4633         struct pm8001_device *pm8001_dev, u32 state)
4634 {
4635         struct set_dev_state_req payload;
4636         struct inbound_queue_table *circularQ;
4637         struct pm8001_ccb_info *ccb;
4638         int rc;
4639         u32 tag;
4640         u32 opc = OPC_INB_SET_DEVICE_STATE;
4641         memset(&payload, 0, sizeof(payload));
4642         rc = pm8001_tag_alloc(pm8001_ha, &tag);
4643         if (rc)
4644                 return -1;
4645         ccb = &pm8001_ha->ccb_info[tag];
4646         ccb->ccb_tag = tag;
4647         ccb->device = pm8001_dev;
4648         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4649         payload.tag = cpu_to_le32(tag);
4650         payload.device_id = cpu_to_le32(pm8001_dev->device_id);
4651         payload.nds = cpu_to_le32(state);
4652         rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4653         return rc;
4654
4655 }
4656
4657 static int
4658 pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha)
4659 {
4660         struct sas_re_initialization_req payload;
4661         struct inbound_queue_table *circularQ;
4662         struct pm8001_ccb_info *ccb;
4663         int rc;
4664         u32 tag;
4665         u32 opc = OPC_INB_SAS_RE_INITIALIZE;
4666         memset(&payload, 0, sizeof(payload));
4667         rc = pm8001_tag_alloc(pm8001_ha, &tag);
4668         if (rc)
4669                 return -1;
4670         ccb = &pm8001_ha->ccb_info[tag];
4671         ccb->ccb_tag = tag;
4672         circularQ = &pm8001_ha->inbnd_q_tbl[0];
4673         payload.tag = cpu_to_le32(tag);
4674         payload.SSAHOLT = cpu_to_le32(0xd << 25);
4675         payload.sata_hol_tmo = cpu_to_le32(80);
4676         payload.open_reject_cmdretries_data_retries = cpu_to_le32(0xff00ff);
4677         rc = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload);
4678         return rc;
4679
4680 }
4681
4682 const struct pm8001_dispatch pm8001_8001_dispatch = {
4683         .name                   = "pmc8001",
4684         .chip_init              = pm8001_chip_init,
4685         .chip_soft_rst          = pm8001_chip_soft_rst,
4686         .chip_rst               = pm8001_hw_chip_rst,
4687         .chip_iounmap           = pm8001_chip_iounmap,
4688         .isr                    = pm8001_chip_isr,
4689         .is_our_interupt        = pm8001_chip_is_our_interupt,
4690         .isr_process_oq         = process_oq,
4691         .interrupt_enable       = pm8001_chip_interrupt_enable,
4692         .interrupt_disable      = pm8001_chip_interrupt_disable,
4693         .make_prd               = pm8001_chip_make_sg,
4694         .smp_req                = pm8001_chip_smp_req,
4695         .ssp_io_req             = pm8001_chip_ssp_io_req,
4696         .sata_req               = pm8001_chip_sata_req,
4697         .phy_start_req          = pm8001_chip_phy_start_req,
4698         .phy_stop_req           = pm8001_chip_phy_stop_req,
4699         .reg_dev_req            = pm8001_chip_reg_dev_req,
4700         .dereg_dev_req          = pm8001_chip_dereg_dev_req,
4701         .phy_ctl_req            = pm8001_chip_phy_ctl_req,
4702         .task_abort             = pm8001_chip_abort_task,
4703         .ssp_tm_req             = pm8001_chip_ssp_tm_req,
4704         .get_nvmd_req           = pm8001_chip_get_nvmd_req,
4705         .set_nvmd_req           = pm8001_chip_set_nvmd_req,
4706         .fw_flash_update_req    = pm8001_chip_fw_flash_update_req,
4707         .set_dev_state_req      = pm8001_chip_set_dev_state_req,
4708         .sas_re_init_req        = pm8001_chip_sas_re_initialization,
4709 };
4710