Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / scsi / pm8001 / pm8001_hwi.c
diff --git a/kernel/drivers/scsi/pm8001/pm8001_hwi.c b/kernel/drivers/scsi/pm8001/pm8001_hwi.c
new file mode 100644 (file)
index 0000000..96dcc09
--- /dev/null
@@ -0,0 +1,5125 @@
+/*
+ * PMC-Sierra SPC 8001 SAS/SATA based host adapters driver
+ *
+ * Copyright (c) 2008-2009 USI Co., Ltd.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions, and the following disclaimer,
+ *    without modification.
+ * 2. Redistributions in binary form must reproduce at minimum a disclaimer
+ *    substantially similar to the "NO WARRANTY" disclaimer below
+ *    ("Disclaimer") and any redistribution must be conditioned upon
+ *    including a substantially similar Disclaimer requirement for further
+ *    binary redistribution.
+ * 3. Neither the names of the above-listed copyright holders nor the names
+ *    of any contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *
+ * Alternatively, this software may be distributed under the terms of the
+ * GNU General Public License ("GPL") version 2 as published by the Free
+ * Software Foundation.
+ *
+ * NO WARRANTY
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGES.
+ *
+ */
+ #include <linux/slab.h>
+ #include "pm8001_sas.h"
+ #include "pm8001_hwi.h"
+ #include "pm8001_chips.h"
+ #include "pm8001_ctl.h"
+
+/**
+ * read_main_config_table - read the configure table and save it.
+ * @pm8001_ha: our hba card information
+ */
+static void read_main_config_table(struct pm8001_hba_info *pm8001_ha)
+{
+       void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.signature    =
+                               pm8001_mr32(address, 0x00);
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.interface_rev =
+                               pm8001_mr32(address, 0x04);
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.firmware_rev =
+                               pm8001_mr32(address, 0x08);
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.max_out_io   =
+                               pm8001_mr32(address, 0x0C);
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.max_sgl      =
+                               pm8001_mr32(address, 0x10);
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.ctrl_cap_flag =
+                               pm8001_mr32(address, 0x14);
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.gst_offset   =
+                               pm8001_mr32(address, 0x18);
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_queue_offset =
+               pm8001_mr32(address, MAIN_IBQ_OFFSET);
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_queue_offset =
+               pm8001_mr32(address, MAIN_OBQ_OFFSET);
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.hda_mode_flag        =
+               pm8001_mr32(address, MAIN_HDA_FLAGS_OFFSET);
+
+       /* read analog Setting offset from the configuration table */
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.anolog_setup_table_offset =
+               pm8001_mr32(address, MAIN_ANALOG_SETUP_OFFSET);
+
+       /* read Error Dump Offset and Length */
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_offset0 =
+               pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_OFFSET);
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_length0 =
+               pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP0_LENGTH);
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_offset1 =
+               pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_OFFSET);
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_dump_length1 =
+               pm8001_mr32(address, MAIN_FATAL_ERROR_RDUMP1_LENGTH);
+}
+
+/**
+ * read_general_status_table - read the general status table and save it.
+ * @pm8001_ha: our hba card information
+ */
+static void read_general_status_table(struct pm8001_hba_info *pm8001_ha)
+{
+       void __iomem *address = pm8001_ha->general_stat_tbl_addr;
+       pm8001_ha->gs_tbl.pm8001_tbl.gst_len_mpistate   =
+                               pm8001_mr32(address, 0x00);
+       pm8001_ha->gs_tbl.pm8001_tbl.iq_freeze_state0   =
+                               pm8001_mr32(address, 0x04);
+       pm8001_ha->gs_tbl.pm8001_tbl.iq_freeze_state1   =
+                               pm8001_mr32(address, 0x08);
+       pm8001_ha->gs_tbl.pm8001_tbl.msgu_tcnt          =
+                               pm8001_mr32(address, 0x0C);
+       pm8001_ha->gs_tbl.pm8001_tbl.iop_tcnt           =
+                               pm8001_mr32(address, 0x10);
+       pm8001_ha->gs_tbl.pm8001_tbl.rsvd               =
+                               pm8001_mr32(address, 0x14);
+       pm8001_ha->gs_tbl.pm8001_tbl.phy_state[0]       =
+                               pm8001_mr32(address, 0x18);
+       pm8001_ha->gs_tbl.pm8001_tbl.phy_state[1]       =
+                               pm8001_mr32(address, 0x1C);
+       pm8001_ha->gs_tbl.pm8001_tbl.phy_state[2]       =
+                               pm8001_mr32(address, 0x20);
+       pm8001_ha->gs_tbl.pm8001_tbl.phy_state[3]       =
+                               pm8001_mr32(address, 0x24);
+       pm8001_ha->gs_tbl.pm8001_tbl.phy_state[4]       =
+                               pm8001_mr32(address, 0x28);
+       pm8001_ha->gs_tbl.pm8001_tbl.phy_state[5]       =
+                               pm8001_mr32(address, 0x2C);
+       pm8001_ha->gs_tbl.pm8001_tbl.phy_state[6]       =
+                               pm8001_mr32(address, 0x30);
+       pm8001_ha->gs_tbl.pm8001_tbl.phy_state[7]       =
+                               pm8001_mr32(address, 0x34);
+       pm8001_ha->gs_tbl.pm8001_tbl.gpio_input_val     =
+                               pm8001_mr32(address, 0x38);
+       pm8001_ha->gs_tbl.pm8001_tbl.rsvd1[0]           =
+                               pm8001_mr32(address, 0x3C);
+       pm8001_ha->gs_tbl.pm8001_tbl.rsvd1[1]           =
+                               pm8001_mr32(address, 0x40);
+       pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[0]        =
+                               pm8001_mr32(address, 0x44);
+       pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[1]        =
+                               pm8001_mr32(address, 0x48);
+       pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[2]        =
+                               pm8001_mr32(address, 0x4C);
+       pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[3]        =
+                               pm8001_mr32(address, 0x50);
+       pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[4]        =
+                               pm8001_mr32(address, 0x54);
+       pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[5]        =
+                               pm8001_mr32(address, 0x58);
+       pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[6]        =
+                               pm8001_mr32(address, 0x5C);
+       pm8001_ha->gs_tbl.pm8001_tbl.recover_err_info[7]        =
+                               pm8001_mr32(address, 0x60);
+}
+
+/**
+ * read_inbnd_queue_table - read the inbound queue table and save it.
+ * @pm8001_ha: our hba card information
+ */
+static void read_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
+{
+       int i;
+       void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
+       for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
+               u32 offset = i * 0x20;
+               pm8001_ha->inbnd_q_tbl[i].pi_pci_bar =
+                     get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
+               pm8001_ha->inbnd_q_tbl[i].pi_offset =
+                       pm8001_mr32(address, (offset + 0x18));
+       }
+}
+
+/**
+ * read_outbnd_queue_table - read the outbound queue table and save it.
+ * @pm8001_ha: our hba card information
+ */
+static void read_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha)
+{
+       int i;
+       void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
+       for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
+               u32 offset = i * 0x24;
+               pm8001_ha->outbnd_q_tbl[i].ci_pci_bar =
+                     get_pci_bar_index(pm8001_mr32(address, (offset + 0x14)));
+               pm8001_ha->outbnd_q_tbl[i].ci_offset =
+                       pm8001_mr32(address, (offset + 0x18));
+       }
+}
+
+/**
+ * init_default_table_values - init the default table.
+ * @pm8001_ha: our hba card information
+ */
+static void init_default_table_values(struct pm8001_hba_info *pm8001_ha)
+{
+       int i;
+       u32 offsetib, offsetob;
+       void __iomem *addressib = pm8001_ha->inbnd_q_tbl_addr;
+       void __iomem *addressob = pm8001_ha->outbnd_q_tbl_addr;
+
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_q_nppd_hppd          = 0;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid0_3     = 0;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid4_7     = 0;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid0_3    = 0;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid4_7    = 0;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ITNexus_event_pid0_3 =
+                                                                        0;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ITNexus_event_pid4_7 =
+                                                                        0;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ssp_event_pid0_3 = 0;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_ssp_event_pid4_7 = 0;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_smp_event_pid0_3 = 0;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_tgt_smp_event_pid4_7 = 0;
+
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_event_log_addr         =
+               pm8001_ha->memoryMap.region[AAP1].phys_addr_hi;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_event_log_addr         =
+               pm8001_ha->memoryMap.region[AAP1].phys_addr_lo;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_size               =
+               PM8001_EVENT_LOG_SIZE;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_option             = 0x01;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_iop_event_log_addr     =
+               pm8001_ha->memoryMap.region[IOP].phys_addr_hi;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_iop_event_log_addr     =
+               pm8001_ha->memoryMap.region[IOP].phys_addr_lo;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_size           =
+               PM8001_EVENT_LOG_SIZE;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option         = 0x01;
+       pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt          = 0x01;
+       for (i = 0; i < PM8001_MAX_INB_NUM; i++) {
+               pm8001_ha->inbnd_q_tbl[i].element_pri_size_cnt  =
+                       PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x00<<30);
+               pm8001_ha->inbnd_q_tbl[i].upper_base_addr       =
+                       pm8001_ha->memoryMap.region[IB + i].phys_addr_hi;
+               pm8001_ha->inbnd_q_tbl[i].lower_base_addr       =
+               pm8001_ha->memoryMap.region[IB + i].phys_addr_lo;
+               pm8001_ha->inbnd_q_tbl[i].base_virt             =
+                       (u8 *)pm8001_ha->memoryMap.region[IB + i].virt_ptr;
+               pm8001_ha->inbnd_q_tbl[i].total_length          =
+                       pm8001_ha->memoryMap.region[IB + i].total_len;
+               pm8001_ha->inbnd_q_tbl[i].ci_upper_base_addr    =
+                       pm8001_ha->memoryMap.region[CI + i].phys_addr_hi;
+               pm8001_ha->inbnd_q_tbl[i].ci_lower_base_addr    =
+                       pm8001_ha->memoryMap.region[CI + i].phys_addr_lo;
+               pm8001_ha->inbnd_q_tbl[i].ci_virt               =
+                       pm8001_ha->memoryMap.region[CI + i].virt_ptr;
+               offsetib = i * 0x20;
+               pm8001_ha->inbnd_q_tbl[i].pi_pci_bar            =
+                       get_pci_bar_index(pm8001_mr32(addressib,
+                               (offsetib + 0x14)));
+               pm8001_ha->inbnd_q_tbl[i].pi_offset             =
+                       pm8001_mr32(addressib, (offsetib + 0x18));
+               pm8001_ha->inbnd_q_tbl[i].producer_idx          = 0;
+               pm8001_ha->inbnd_q_tbl[i].consumer_index        = 0;
+       }
+       for (i = 0; i < PM8001_MAX_OUTB_NUM; i++) {
+               pm8001_ha->outbnd_q_tbl[i].element_size_cnt     =
+                       PM8001_MPI_QUEUE | (pm8001_ha->iomb_size << 16) | (0x01<<30);
+               pm8001_ha->outbnd_q_tbl[i].upper_base_addr      =
+                       pm8001_ha->memoryMap.region[OB + i].phys_addr_hi;
+               pm8001_ha->outbnd_q_tbl[i].lower_base_addr      =
+                       pm8001_ha->memoryMap.region[OB + i].phys_addr_lo;
+               pm8001_ha->outbnd_q_tbl[i].base_virt            =
+                       (u8 *)pm8001_ha->memoryMap.region[OB + i].virt_ptr;
+               pm8001_ha->outbnd_q_tbl[i].total_length         =
+                       pm8001_ha->memoryMap.region[OB + i].total_len;
+               pm8001_ha->outbnd_q_tbl[i].pi_upper_base_addr   =
+                       pm8001_ha->memoryMap.region[PI + i].phys_addr_hi;
+               pm8001_ha->outbnd_q_tbl[i].pi_lower_base_addr   =
+                       pm8001_ha->memoryMap.region[PI + i].phys_addr_lo;
+               pm8001_ha->outbnd_q_tbl[i].interrup_vec_cnt_delay       =
+                       0 | (10 << 16) | (i << 24);
+               pm8001_ha->outbnd_q_tbl[i].pi_virt              =
+                       pm8001_ha->memoryMap.region[PI + i].virt_ptr;
+               offsetob = i * 0x24;
+               pm8001_ha->outbnd_q_tbl[i].ci_pci_bar           =
+                       get_pci_bar_index(pm8001_mr32(addressob,
+                       offsetob + 0x14));
+               pm8001_ha->outbnd_q_tbl[i].ci_offset            =
+                       pm8001_mr32(addressob, (offsetob + 0x18));
+               pm8001_ha->outbnd_q_tbl[i].consumer_idx         = 0;
+               pm8001_ha->outbnd_q_tbl[i].producer_index       = 0;
+       }
+}
+
+/**
+ * update_main_config_table - update the main default table to the HBA.
+ * @pm8001_ha: our hba card information
+ */
+static void update_main_config_table(struct pm8001_hba_info *pm8001_ha)
+{
+       void __iomem *address = pm8001_ha->main_cfg_tbl_addr;
+       pm8001_mw32(address, 0x24,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.inbound_q_nppd_hppd);
+       pm8001_mw32(address, 0x28,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid0_3);
+       pm8001_mw32(address, 0x2C,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_hw_event_pid4_7);
+       pm8001_mw32(address, 0x30,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid0_3);
+       pm8001_mw32(address, 0x34,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.outbound_ncq_event_pid4_7);
+       pm8001_mw32(address, 0x38,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.
+                                       outbound_tgt_ITNexus_event_pid0_3);
+       pm8001_mw32(address, 0x3C,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.
+                                       outbound_tgt_ITNexus_event_pid4_7);
+       pm8001_mw32(address, 0x40,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.
+                                       outbound_tgt_ssp_event_pid0_3);
+       pm8001_mw32(address, 0x44,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.
+                                       outbound_tgt_ssp_event_pid4_7);
+       pm8001_mw32(address, 0x48,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.
+                                       outbound_tgt_smp_event_pid0_3);
+       pm8001_mw32(address, 0x4C,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.
+                                       outbound_tgt_smp_event_pid4_7);
+       pm8001_mw32(address, 0x50,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_event_log_addr);
+       pm8001_mw32(address, 0x54,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_event_log_addr);
+       pm8001_mw32(address, 0x58,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_size);
+       pm8001_mw32(address, 0x5C,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.event_log_option);
+       pm8001_mw32(address, 0x60,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.upper_iop_event_log_addr);
+       pm8001_mw32(address, 0x64,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.lower_iop_event_log_addr);
+       pm8001_mw32(address, 0x68,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_size);
+       pm8001_mw32(address, 0x6C,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.iop_event_log_option);
+       pm8001_mw32(address, 0x70,
+               pm8001_ha->main_cfg_tbl.pm8001_tbl.fatal_err_interrupt);
+}
+
+/**
+ * update_inbnd_queue_table - update the inbound queue table to the HBA.
+ * @pm8001_ha: our hba card information
+ */
+static void update_inbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
+                                    int number)
+{
+       void __iomem *address = pm8001_ha->inbnd_q_tbl_addr;
+       u16 offset = number * 0x20;
+       pm8001_mw32(address, offset + 0x00,
+               pm8001_ha->inbnd_q_tbl[number].element_pri_size_cnt);
+       pm8001_mw32(address, offset + 0x04,
+               pm8001_ha->inbnd_q_tbl[number].upper_base_addr);
+       pm8001_mw32(address, offset + 0x08,
+               pm8001_ha->inbnd_q_tbl[number].lower_base_addr);
+       pm8001_mw32(address, offset + 0x0C,
+               pm8001_ha->inbnd_q_tbl[number].ci_upper_base_addr);
+       pm8001_mw32(address, offset + 0x10,
+               pm8001_ha->inbnd_q_tbl[number].ci_lower_base_addr);
+}
+
+/**
+ * update_outbnd_queue_table - update the outbound queue table to the HBA.
+ * @pm8001_ha: our hba card information
+ */
+static void update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha,
+                                     int number)
+{
+       void __iomem *address = pm8001_ha->outbnd_q_tbl_addr;
+       u16 offset = number * 0x24;
+       pm8001_mw32(address, offset + 0x00,
+               pm8001_ha->outbnd_q_tbl[number].element_size_cnt);
+       pm8001_mw32(address, offset + 0x04,
+               pm8001_ha->outbnd_q_tbl[number].upper_base_addr);
+       pm8001_mw32(address, offset + 0x08,
+               pm8001_ha->outbnd_q_tbl[number].lower_base_addr);
+       pm8001_mw32(address, offset + 0x0C,
+               pm8001_ha->outbnd_q_tbl[number].pi_upper_base_addr);
+       pm8001_mw32(address, offset + 0x10,
+               pm8001_ha->outbnd_q_tbl[number].pi_lower_base_addr);
+       pm8001_mw32(address, offset + 0x1C,
+               pm8001_ha->outbnd_q_tbl[number].interrup_vec_cnt_delay);
+}
+
+/**
+ * pm8001_bar4_shift - function is called to shift BAR base address
+ * @pm8001_ha : our hba card infomation
+ * @shiftValue : shifting value in memory bar.
+ */
+int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue)
+{
+       u32 regVal;
+       unsigned long start;
+
+       /* program the inbound AXI translation Lower Address */
+       pm8001_cw32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW, shiftValue);
+
+       /* confirm the setting is written */
+       start = jiffies + HZ; /* 1 sec */
+       do {
+               regVal = pm8001_cr32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW);
+       } while ((regVal != shiftValue) && time_before(jiffies, start));
+
+       if (regVal != shiftValue) {
+               PM8001_INIT_DBG(pm8001_ha,
+                       pm8001_printk("TIMEOUT:SPC_IBW_AXI_TRANSLATION_LOW"
+                       " = 0x%x\n", regVal));
+               return -1;
+       }
+       return 0;
+}
+
+/**
+ * mpi_set_phys_g3_with_ssc
+ * @pm8001_ha: our hba card information
+ * @SSCbit: set SSCbit to 0 to disable all phys ssc; 1 to enable all phys ssc.
+ */
+static void mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha,
+                                    u32 SSCbit)
+{
+       u32 value, offset, i;
+       unsigned long flags;
+
+#define SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR 0x00030000
+#define SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR 0x00040000
+#define SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET 0x1074
+#define SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET 0x1074
+#define PHY_G3_WITHOUT_SSC_BIT_SHIFT 12
+#define PHY_G3_WITH_SSC_BIT_SHIFT 13
+#define SNW3_PHY_CAPABILITIES_PARITY 31
+
+   /*
+    * Using shifted destination address 0x3_0000:0x1074 + 0x4000*N (N=0:3)
+    * Using shifted destination address 0x4_0000:0x1074 + 0x4000*(N-4) (N=4:7)
+    */
+       spin_lock_irqsave(&pm8001_ha->lock, flags);
+       if (-1 == pm8001_bar4_shift(pm8001_ha,
+                               SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR)) {
+               spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+               return;
+       }
+
+       for (i = 0; i < 4; i++) {
+               offset = SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET + 0x4000 * i;
+               pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
+       }
+       /* shift membase 3 for SAS2_SETTINGS_LOCAL_PHY 4 - 7 */
+       if (-1 == pm8001_bar4_shift(pm8001_ha,
+                               SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR)) {
+               spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+               return;
+       }
+       for (i = 4; i < 8; i++) {
+               offset = SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
+               pm8001_cw32(pm8001_ha, 2, offset, 0x80001501);
+       }
+       /*************************************************************
+       Change the SSC upspreading value to 0x0 so that upspreading is disabled.
+       Device MABC SMOD0 Controls
+       Address: (via MEMBASE-III):
+       Using shifted destination address 0x0_0000: with Offset 0xD8
+
+       31:28 R/W Reserved Do not change
+       27:24 R/W SAS_SMOD_SPRDUP 0000
+       23:20 R/W SAS_SMOD_SPRDDN 0000
+       19:0  R/W  Reserved Do not change
+       Upon power-up this register will read as 0x8990c016,
+       and I would like you to change the SAS_SMOD_SPRDUP bits to 0b0000
+       so that the written value will be 0x8090c016.
+       This will ensure only down-spreading SSC is enabled on the SPC.
+       *************************************************************/
+       value = pm8001_cr32(pm8001_ha, 2, 0xd8);
+       pm8001_cw32(pm8001_ha, 2, 0xd8, 0x8000C016);
+
+       /*set the shifted destination address to 0x0 to avoid error operation */
+       pm8001_bar4_shift(pm8001_ha, 0x0);
+       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+       return;
+}
+
+/**
+ * mpi_set_open_retry_interval_reg
+ * @pm8001_ha: our hba card information
+ * @interval - interval time for each OPEN_REJECT (RETRY). The units are in 1us.
+ */
+static void mpi_set_open_retry_interval_reg(struct pm8001_hba_info *pm8001_ha,
+                                           u32 interval)
+{
+       u32 offset;
+       u32 value;
+       u32 i;
+       unsigned long flags;
+
+#define OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR 0x00030000
+#define OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR 0x00040000
+#define OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET 0x30B4
+#define OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET 0x30B4
+#define OPEN_RETRY_INTERVAL_REG_MASK 0x0000FFFF
+
+       value = interval & OPEN_RETRY_INTERVAL_REG_MASK;
+       spin_lock_irqsave(&pm8001_ha->lock, flags);
+       /* shift bar and set the OPEN_REJECT(RETRY) interval time of PHY 0 -3.*/
+       if (-1 == pm8001_bar4_shift(pm8001_ha,
+                            OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR)) {
+               spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+               return;
+       }
+       for (i = 0; i < 4; i++) {
+               offset = OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET + 0x4000 * i;
+               pm8001_cw32(pm8001_ha, 2, offset, value);
+       }
+
+       if (-1 == pm8001_bar4_shift(pm8001_ha,
+                            OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR)) {
+               spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+               return;
+       }
+       for (i = 4; i < 8; i++) {
+               offset = OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET + 0x4000 * (i-4);
+               pm8001_cw32(pm8001_ha, 2, offset, value);
+       }
+       /*set the shifted destination address to 0x0 to avoid error operation */
+       pm8001_bar4_shift(pm8001_ha, 0x0);
+       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+       return;
+}
+
+/**
+ * mpi_init_check - check firmware initialization status.
+ * @pm8001_ha: our hba card information
+ */
+static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
+{
+       u32 max_wait_count;
+       u32 value;
+       u32 gst_len_mpistate;
+       /* Write bit0=1 to Inbound DoorBell Register to tell the SPC FW the
+       table is updated */
+       pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_UPDATE);
+       /* wait until Inbound DoorBell Clear Register toggled */
+       max_wait_count = 1 * 1000 * 1000;/* 1 sec */
+       do {
+               udelay(1);
+               value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
+               value &= SPC_MSGU_CFG_TABLE_UPDATE;
+       } while ((value != 0) && (--max_wait_count));
+
+       if (!max_wait_count)
+               return -1;
+       /* check the MPI-State for initialization */
+       gst_len_mpistate =
+               pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
+               GST_GSTLEN_MPIS_OFFSET);
+       if (GST_MPI_STATE_INIT != (gst_len_mpistate & GST_MPI_STATE_MASK))
+               return -1;
+       /* check MPI Initialization error */
+       gst_len_mpistate = gst_len_mpistate >> 16;
+       if (0x0000 != gst_len_mpistate)
+               return -1;
+       return 0;
+}
+
+/**
+ * check_fw_ready - The LLDD check if the FW is ready, if not, return error.
+ * @pm8001_ha: our hba card information
+ */
+static int check_fw_ready(struct pm8001_hba_info *pm8001_ha)
+{
+       u32 value, value1;
+       u32 max_wait_count;
+       /* check error state */
+       value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
+       value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
+       /* check AAP error */
+       if (SCRATCH_PAD1_ERR == (value & SCRATCH_PAD_STATE_MASK)) {
+               /* error state */
+               value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
+               return -1;
+       }
+
+       /* check IOP error */
+       if (SCRATCH_PAD2_ERR == (value1 & SCRATCH_PAD_STATE_MASK)) {
+               /* error state */
+               value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3);
+               return -1;
+       }
+
+       /* bit 4-31 of scratch pad1 should be zeros if it is not
+       in error state*/
+       if (value & SCRATCH_PAD1_STATE_MASK) {
+               /* error case */
+               pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0);
+               return -1;
+       }
+
+       /* bit 2, 4-31 of scratch pad2 should be zeros if it is not
+       in error state */
+       if (value1 & SCRATCH_PAD2_STATE_MASK) {
+               /* error case */
+               return -1;
+       }
+
+       max_wait_count = 1 * 1000 * 1000;/* 1 sec timeout */
+
+       /* wait until scratch pad 1 and 2 registers in ready state  */
+       do {
+               udelay(1);
+               value = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
+                       & SCRATCH_PAD1_RDY;
+               value1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
+                       & SCRATCH_PAD2_RDY;
+               if ((--max_wait_count) == 0)
+                       return -1;
+       } while ((value != SCRATCH_PAD1_RDY) || (value1 != SCRATCH_PAD2_RDY));
+       return 0;
+}
+
+static void init_pci_device_addresses(struct pm8001_hba_info *pm8001_ha)
+{
+       void __iomem *base_addr;
+       u32     value;
+       u32     offset;
+       u32     pcibar;
+       u32     pcilogic;
+
+       value = pm8001_cr32(pm8001_ha, 0, 0x44);
+       offset = value & 0x03FFFFFF;
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("Scratchpad 0 Offset: %x\n", offset));
+       pcilogic = (value & 0xFC000000) >> 26;
+       pcibar = get_pci_bar_index(pcilogic);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("Scratchpad 0 PCI BAR: %d\n", pcibar));
+       pm8001_ha->main_cfg_tbl_addr = base_addr =
+               pm8001_ha->io_mem[pcibar].memvirtaddr + offset;
+       pm8001_ha->general_stat_tbl_addr =
+               base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x18);
+       pm8001_ha->inbnd_q_tbl_addr =
+               base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x1C);
+       pm8001_ha->outbnd_q_tbl_addr =
+               base_addr + pm8001_cr32(pm8001_ha, pcibar, offset + 0x20);
+}
+
+/**
+ * pm8001_chip_init - the main init function that initialize whole PM8001 chip.
+ * @pm8001_ha: our hba card information
+ */
+static int pm8001_chip_init(struct pm8001_hba_info *pm8001_ha)
+{
+       u8 i = 0;
+       u16 deviceid;
+       pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
+       /* 8081 controllers need BAR shift to access MPI space
+       * as this is shared with BIOS data */
+       if (deviceid == 0x8081 || deviceid == 0x0042) {
+               if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
+                       PM8001_FAIL_DBG(pm8001_ha,
+                               pm8001_printk("Shift Bar4 to 0x%x failed\n",
+                                       GSM_SM_BASE));
+                       return -1;
+               }
+       }
+       /* check the firmware status */
+       if (-1 == check_fw_ready(pm8001_ha)) {
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("Firmware is not ready!\n"));
+               return -EBUSY;
+       }
+
+       /* Initialize pci space address eg: mpi offset */
+       init_pci_device_addresses(pm8001_ha);
+       init_default_table_values(pm8001_ha);
+       read_main_config_table(pm8001_ha);
+       read_general_status_table(pm8001_ha);
+       read_inbnd_queue_table(pm8001_ha);
+       read_outbnd_queue_table(pm8001_ha);
+       /* update main config table ,inbound table and outbound table */
+       update_main_config_table(pm8001_ha);
+       for (i = 0; i < PM8001_MAX_INB_NUM; i++)
+               update_inbnd_queue_table(pm8001_ha, i);
+       for (i = 0; i < PM8001_MAX_OUTB_NUM; i++)
+               update_outbnd_queue_table(pm8001_ha, i);
+       /* 8081 controller donot require these operations */
+       if (deviceid != 0x8081 && deviceid != 0x0042) {
+               mpi_set_phys_g3_with_ssc(pm8001_ha, 0);
+               /* 7->130ms, 34->500ms, 119->1.5s */
+               mpi_set_open_retry_interval_reg(pm8001_ha, 119);
+       }
+       /* notify firmware update finished and check initialization status */
+       if (0 == mpi_init_check(pm8001_ha)) {
+               PM8001_INIT_DBG(pm8001_ha,
+                       pm8001_printk("MPI initialize successful!\n"));
+       } else
+               return -EBUSY;
+       /*This register is a 16-bit timer with a resolution of 1us. This is the
+       timer used for interrupt delay/coalescing in the PCIe Application Layer.
+       Zero is not a valid value. A value of 1 in the register will cause the
+       interrupts to be normal. A value greater than 1 will cause coalescing
+       delays.*/
+       pm8001_cw32(pm8001_ha, 1, 0x0033c0, 0x1);
+       pm8001_cw32(pm8001_ha, 1, 0x0033c4, 0x0);
+       return 0;
+}
+
+static int mpi_uninit_check(struct pm8001_hba_info *pm8001_ha)
+{
+       u32 max_wait_count;
+       u32 value;
+       u32 gst_len_mpistate;
+       u16 deviceid;
+       pci_read_config_word(pm8001_ha->pdev, PCI_DEVICE_ID, &deviceid);
+       if (deviceid == 0x8081 || deviceid == 0x0042) {
+               if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_SM_BASE)) {
+                       PM8001_FAIL_DBG(pm8001_ha,
+                               pm8001_printk("Shift Bar4 to 0x%x failed\n",
+                                       GSM_SM_BASE));
+                       return -1;
+               }
+       }
+       init_pci_device_addresses(pm8001_ha);
+       /* Write bit1=1 to Inbound DoorBell Register to tell the SPC FW the
+       table is stop */
+       pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPC_MSGU_CFG_TABLE_RESET);
+
+       /* wait until Inbound DoorBell Clear Register toggled */
+       max_wait_count = 1 * 1000 * 1000;/* 1 sec */
+       do {
+               udelay(1);
+               value = pm8001_cr32(pm8001_ha, 0, MSGU_IBDB_SET);
+               value &= SPC_MSGU_CFG_TABLE_RESET;
+       } while ((value != 0) && (--max_wait_count));
+
+       if (!max_wait_count) {
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("TIMEOUT:IBDB value/=0x%x\n", value));
+               return -1;
+       }
+
+       /* check the MPI-State for termination in progress */
+       /* wait until Inbound DoorBell Clear Register toggled */
+       max_wait_count = 1 * 1000 * 1000;  /* 1 sec */
+       do {
+               udelay(1);
+               gst_len_mpistate =
+                       pm8001_mr32(pm8001_ha->general_stat_tbl_addr,
+                       GST_GSTLEN_MPIS_OFFSET);
+               if (GST_MPI_STATE_UNINIT ==
+                       (gst_len_mpistate & GST_MPI_STATE_MASK))
+                       break;
+       } while (--max_wait_count);
+       if (!max_wait_count) {
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk(" TIME OUT MPI State = 0x%x\n",
+                               gst_len_mpistate & GST_MPI_STATE_MASK));
+               return -1;
+       }
+       return 0;
+}
+
+/**
+ * soft_reset_ready_check - Function to check FW is ready for soft reset.
+ * @pm8001_ha: our hba card information
+ */
+static u32 soft_reset_ready_check(struct pm8001_hba_info *pm8001_ha)
+{
+       u32 regVal, regVal1, regVal2;
+       if (mpi_uninit_check(pm8001_ha) != 0) {
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("MPI state is not ready\n"));
+               return -1;
+       }
+       /* read the scratch pad 2 register bit 2 */
+       regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2)
+               & SCRATCH_PAD2_FWRDY_RST;
+       if (regVal == SCRATCH_PAD2_FWRDY_RST) {
+               PM8001_INIT_DBG(pm8001_ha,
+                       pm8001_printk("Firmware is ready for reset .\n"));
+       } else {
+               unsigned long flags;
+               /* Trigger NMI twice via RB6 */
+               spin_lock_irqsave(&pm8001_ha->lock, flags);
+               if (-1 == pm8001_bar4_shift(pm8001_ha, RB6_ACCESS_REG)) {
+                       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+                       PM8001_FAIL_DBG(pm8001_ha,
+                               pm8001_printk("Shift Bar4 to 0x%x failed\n",
+                                       RB6_ACCESS_REG));
+                       return -1;
+               }
+               pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET,
+                       RB6_MAGIC_NUMBER_RST);
+               pm8001_cw32(pm8001_ha, 2, SPC_RB6_OFFSET, RB6_MAGIC_NUMBER_RST);
+               /* wait for 100 ms */
+               mdelay(100);
+               regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2) &
+                       SCRATCH_PAD2_FWRDY_RST;
+               if (regVal != SCRATCH_PAD2_FWRDY_RST) {
+                       regVal1 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
+                       regVal2 = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
+                       PM8001_FAIL_DBG(pm8001_ha,
+                               pm8001_printk("TIMEOUT:MSGU_SCRATCH_PAD1"
+                               "=0x%x, MSGU_SCRATCH_PAD2=0x%x\n",
+                               regVal1, regVal2));
+                       PM8001_FAIL_DBG(pm8001_ha,
+                               pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
+                               pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_0)));
+                       PM8001_FAIL_DBG(pm8001_ha,
+                               pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
+                               pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3)));
+                       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+                       return -1;
+               }
+               spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+       }
+       return 0;
+}
+
+/**
+ * pm8001_chip_soft_rst - soft reset the PM8001 chip, so that the clear all
+ * the FW register status to the originated status.
+ * @pm8001_ha: our hba card information
+ */
+static int
+pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha)
+{
+       u32     regVal, toggleVal;
+       u32     max_wait_count;
+       u32     regVal1, regVal2, regVal3;
+       u32     signature = 0x252acbcd; /* for host scratch pad0 */
+       unsigned long flags;
+
+       /* step1: Check FW is ready for soft reset */
+       if (soft_reset_ready_check(pm8001_ha) != 0) {
+               PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("FW is not ready\n"));
+               return -1;
+       }
+
+       /* step 2: clear NMI status register on AAP1 and IOP, write the same
+       value to clear */
+       /* map 0x60000 to BAR4(0x20), BAR2(win) */
+       spin_lock_irqsave(&pm8001_ha->lock, flags);
+       if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_AAP1_ADDR_BASE)) {
+               spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("Shift Bar4 to 0x%x failed\n",
+                       MBIC_AAP1_ADDR_BASE));
+               return -1;
+       }
+       regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("MBIC - NMI Enable VPE0 (IOP)= 0x%x\n", regVal));
+       pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP, 0x0);
+       /* map 0x70000 to BAR4(0x20), BAR2(win) */
+       if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_IOP_ADDR_BASE)) {
+               spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("Shift Bar4 to 0x%x failed\n",
+                       MBIC_IOP_ADDR_BASE));
+               return -1;
+       }
+       regVal = pm8001_cr32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("MBIC - NMI Enable VPE0 (AAP1)= 0x%x\n", regVal));
+       pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_AAP1, 0x0);
+
+       regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("PCIE -Event Interrupt Enable = 0x%x\n", regVal));
+       pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT_ENABLE, 0x0);
+
+       regVal = pm8001_cr32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("PCIE - Event Interrupt  = 0x%x\n", regVal));
+       pm8001_cw32(pm8001_ha, 1, PCIE_EVENT_INTERRUPT, regVal);
+
+       regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("PCIE -Error Interrupt Enable = 0x%x\n", regVal));
+       pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT_ENABLE, 0x0);
+
+       regVal = pm8001_cr32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("PCIE - Error Interrupt = 0x%x\n", regVal));
+       pm8001_cw32(pm8001_ha, 1, PCIE_ERROR_INTERRUPT, regVal);
+
+       /* read the scratch pad 1 register bit 2 */
+       regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1)
+               & SCRATCH_PAD1_RST;
+       toggleVal = regVal ^ SCRATCH_PAD1_RST;
+
+       /* set signature in host scratch pad0 register to tell SPC that the
+       host performs the soft reset */
+       pm8001_cw32(pm8001_ha, 0, MSGU_HOST_SCRATCH_PAD_0, signature);
+
+       /* read required registers for confirmming */
+       /* map 0x0700000 to BAR4(0x20), BAR2(win) */
+       if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
+               spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("Shift Bar4 to 0x%x failed\n",
+                       GSM_ADDR_BASE));
+               return -1;
+       }
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("GSM 0x0(0x00007b88)-GSM Configuration and"
+               " Reset = 0x%x\n",
+               pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
+
+       /* step 3: host read GSM Configuration and Reset register */
+       regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
+       /* Put those bits to low */
+       /* GSM XCBI offset = 0x70 0000
+       0x00 Bit 13 COM_SLV_SW_RSTB 1
+       0x00 Bit 12 QSSP_SW_RSTB 1
+       0x00 Bit 11 RAAE_SW_RSTB 1
+       0x00 Bit 9 RB_1_SW_RSTB 1
+       0x00 Bit 8 SM_SW_RSTB 1
+       */
+       regVal &= ~(0x00003b00);
+       /* host write GSM Configuration and Reset register */
+       pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("GSM 0x0 (0x00007b88 ==> 0x00004088) - GSM "
+               "Configuration and Reset is set to = 0x%x\n",
+               pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
+
+       /* step 4: */
+       /* disable GSM - Read Address Parity Check */
+       regVal1 = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("GSM 0x700038 - Read Address Parity Check "
+               "Enable = 0x%x\n", regVal1));
+       pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, 0x0);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("GSM 0x700038 - Read Address Parity Check Enable"
+               "is set to = 0x%x\n",
+               pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK)));
+
+       /* disable GSM - Write Address Parity Check */
+       regVal2 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("GSM 0x700040 - Write Address Parity Check"
+               " Enable = 0x%x\n", regVal2));
+       pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, 0x0);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("GSM 0x700040 - Write Address Parity Check "
+               "Enable is set to = 0x%x\n",
+               pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK)));
+
+       /* disable GSM - Write Data Parity Check */
+       regVal3 = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("GSM 0x300048 - Write Data Parity Check"
+               " Enable = 0x%x\n", regVal3));
+       pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, 0x0);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("GSM 0x300048 - Write Data Parity Check Enable"
+               "is set to = 0x%x\n",
+       pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK)));
+
+       /* step 5: delay 10 usec */
+       udelay(10);
+       /* step 5-b: set GPIO-0 output control to tristate anyway */
+       if (-1 == pm8001_bar4_shift(pm8001_ha, GPIO_ADDR_BASE)) {
+               spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+               PM8001_INIT_DBG(pm8001_ha,
+                               pm8001_printk("Shift Bar4 to 0x%x failed\n",
+                               GPIO_ADDR_BASE));
+               return -1;
+       }
+       regVal = pm8001_cr32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET);
+               PM8001_INIT_DBG(pm8001_ha,
+                               pm8001_printk("GPIO Output Control Register:"
+                               " = 0x%x\n", regVal));
+       /* set GPIO-0 output control to tri-state */
+       regVal &= 0xFFFFFFFC;
+       pm8001_cw32(pm8001_ha, 2, GPIO_GPIO_0_0UTPUT_CTL_OFFSET, regVal);
+
+       /* Step 6: Reset the IOP and AAP1 */
+       /* map 0x00000 to BAR4(0x20), BAR2(win) */
+       if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
+               spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("SPC Shift Bar4 to 0x%x failed\n",
+                       SPC_TOP_LEVEL_ADDR_BASE));
+               return -1;
+       }
+       regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("Top Register before resetting IOP/AAP1"
+               ":= 0x%x\n", regVal));
+       regVal &= ~(SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
+       pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
+
+       /* step 7: Reset the BDMA/OSSP */
+       regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("Top Register before resetting BDMA/OSSP"
+               ": = 0x%x\n", regVal));
+       regVal &= ~(SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
+       pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
+
+       /* step 8: delay 10 usec */
+       udelay(10);
+
+       /* step 9: bring the BDMA and OSSP out of reset */
+       regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("Top Register before bringing up BDMA/OSSP"
+               ":= 0x%x\n", regVal));
+       regVal |= (SPC_REG_RESET_BDMA_CORE | SPC_REG_RESET_OSSP);
+       pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
+
+       /* step 10: delay 10 usec */
+       udelay(10);
+
+       /* step 11: reads and sets the GSM Configuration and Reset Register */
+       /* map 0x0700000 to BAR4(0x20), BAR2(win) */
+       if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) {
+               spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("SPC Shift Bar4 to 0x%x failed\n",
+                       GSM_ADDR_BASE));
+               return -1;
+       }
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("GSM 0x0 (0x00007b88)-GSM Configuration and "
+               "Reset = 0x%x\n", pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
+       regVal = pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET);
+       /* Put those bits to high */
+       /* GSM XCBI offset = 0x70 0000
+       0x00 Bit 13 COM_SLV_SW_RSTB 1
+       0x00 Bit 12 QSSP_SW_RSTB 1
+       0x00 Bit 11 RAAE_SW_RSTB 1
+       0x00 Bit 9   RB_1_SW_RSTB 1
+       0x00 Bit 8   SM_SW_RSTB 1
+       */
+       regVal |= (GSM_CONFIG_RESET_VALUE);
+       pm8001_cw32(pm8001_ha, 2, GSM_CONFIG_RESET, regVal);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("GSM (0x00004088 ==> 0x00007b88) - GSM"
+               " Configuration and Reset is set to = 0x%x\n",
+               pm8001_cr32(pm8001_ha, 2, GSM_CONFIG_RESET)));
+
+       /* step 12: Restore GSM - Read Address Parity Check */
+       regVal = pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK);
+       /* just for debugging */
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("GSM 0x700038 - Read Address Parity Check Enable"
+               " = 0x%x\n", regVal));
+       pm8001_cw32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK, regVal1);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("GSM 0x700038 - Read Address Parity"
+               " Check Enable is set to = 0x%x\n",
+               pm8001_cr32(pm8001_ha, 2, GSM_READ_ADDR_PARITY_CHECK)));
+       /* Restore GSM - Write Address Parity Check */
+       regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK);
+       pm8001_cw32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK, regVal2);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("GSM 0x700040 - Write Address Parity Check"
+               " Enable is set to = 0x%x\n",
+               pm8001_cr32(pm8001_ha, 2, GSM_WRITE_ADDR_PARITY_CHECK)));
+       /* Restore GSM - Write Data Parity Check */
+       regVal = pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK);
+       pm8001_cw32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK, regVal3);
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("GSM 0x700048 - Write Data Parity Check Enable"
+               "is set to = 0x%x\n",
+               pm8001_cr32(pm8001_ha, 2, GSM_WRITE_DATA_PARITY_CHECK)));
+
+       /* step 13: bring the IOP and AAP1 out of reset */
+       /* map 0x00000 to BAR4(0x20), BAR2(win) */
+       if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) {
+               spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("Shift Bar4 to 0x%x failed\n",
+                       SPC_TOP_LEVEL_ADDR_BASE));
+               return -1;
+       }
+       regVal = pm8001_cr32(pm8001_ha, 2, SPC_REG_RESET);
+       regVal |= (SPC_REG_RESET_PCS_IOP_SS | SPC_REG_RESET_PCS_AAP1_SS);
+       pm8001_cw32(pm8001_ha, 2, SPC_REG_RESET, regVal);
+
+       /* step 14: delay 10 usec - Normal Mode */
+       udelay(10);
+       /* check Soft Reset Normal mode or Soft Reset HDA mode */
+       if (signature == SPC_SOFT_RESET_SIGNATURE) {
+               /* step 15 (Normal Mode): wait until scratch pad1 register
+               bit 2 toggled */
+               max_wait_count = 2 * 1000 * 1000;/* 2 sec */
+               do {
+                       udelay(1);
+                       regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1) &
+                               SCRATCH_PAD1_RST;
+               } while ((regVal != toggleVal) && (--max_wait_count));
+
+               if (!max_wait_count) {
+                       regVal = pm8001_cr32(pm8001_ha, 0,
+                               MSGU_SCRATCH_PAD_1);
+                       PM8001_FAIL_DBG(pm8001_ha,
+                               pm8001_printk("TIMEOUT : ToggleVal 0x%x,"
+                               "MSGU_SCRATCH_PAD1 = 0x%x\n",
+                               toggleVal, regVal));
+                       PM8001_FAIL_DBG(pm8001_ha,
+                               pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
+                               pm8001_cr32(pm8001_ha, 0,
+                               MSGU_SCRATCH_PAD_0)));
+                       PM8001_FAIL_DBG(pm8001_ha,
+                               pm8001_printk("SCRATCH_PAD2 value = 0x%x\n",
+                               pm8001_cr32(pm8001_ha, 0,
+                               MSGU_SCRATCH_PAD_2)));
+                       PM8001_FAIL_DBG(pm8001_ha,
+                               pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
+                               pm8001_cr32(pm8001_ha, 0,
+                               MSGU_SCRATCH_PAD_3)));
+                       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+                       return -1;
+               }
+
+               /* step 16 (Normal) - Clear ODMR and ODCR */
+               pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
+               pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
+
+               /* step 17 (Normal Mode): wait for the FW and IOP to get
+               ready - 1 sec timeout */
+               /* Wait for the SPC Configuration Table to be ready */
+               if (check_fw_ready(pm8001_ha) == -1) {
+                       regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_1);
+                       /* return error if MPI Configuration Table not ready */
+                       PM8001_INIT_DBG(pm8001_ha,
+                               pm8001_printk("FW not ready SCRATCH_PAD1"
+                               " = 0x%x\n", regVal));
+                       regVal = pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_2);
+                       /* return error if MPI Configuration Table not ready */
+                       PM8001_INIT_DBG(pm8001_ha,
+                               pm8001_printk("FW not ready SCRATCH_PAD2"
+                               " = 0x%x\n", regVal));
+                       PM8001_INIT_DBG(pm8001_ha,
+                               pm8001_printk("SCRATCH_PAD0 value = 0x%x\n",
+                               pm8001_cr32(pm8001_ha, 0,
+                               MSGU_SCRATCH_PAD_0)));
+                       PM8001_INIT_DBG(pm8001_ha,
+                               pm8001_printk("SCRATCH_PAD3 value = 0x%x\n",
+                               pm8001_cr32(pm8001_ha, 0,
+                               MSGU_SCRATCH_PAD_3)));
+                       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+                       return -1;
+               }
+       }
+       pm8001_bar4_shift(pm8001_ha, 0);
+       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("SPC soft reset Complete\n"));
+       return 0;
+}
+
+static void pm8001_hw_chip_rst(struct pm8001_hba_info *pm8001_ha)
+{
+       u32 i;
+       u32 regVal;
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("chip reset start\n"));
+
+       /* do SPC chip reset. */
+       regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
+       regVal &= ~(SPC_REG_RESET_DEVICE);
+       pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
+
+       /* delay 10 usec */
+       udelay(10);
+
+       /* bring chip reset out of reset */
+       regVal = pm8001_cr32(pm8001_ha, 1, SPC_REG_RESET);
+       regVal |= SPC_REG_RESET_DEVICE;
+       pm8001_cw32(pm8001_ha, 1, SPC_REG_RESET, regVal);
+
+       /* delay 10 usec */
+       udelay(10);
+
+       /* wait for 20 msec until the firmware gets reloaded */
+       i = 20;
+       do {
+               mdelay(1);
+       } while ((--i) != 0);
+
+       PM8001_INIT_DBG(pm8001_ha,
+               pm8001_printk("chip reset finished\n"));
+}
+
+/**
+ * pm8001_chip_iounmap - which maped when initialized.
+ * @pm8001_ha: our hba card information
+ */
+void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha)
+{
+       s8 bar, logical = 0;
+       for (bar = 0; bar < 6; bar++) {
+               /*
+               ** logical BARs for SPC:
+               ** bar 0 and 1 - logical BAR0
+               ** bar 2 and 3 - logical BAR1
+               ** bar4 - logical BAR2
+               ** bar5 - logical BAR3
+               ** Skip the appropriate assignments:
+               */
+               if ((bar == 1) || (bar == 3))
+                       continue;
+               if (pm8001_ha->io_mem[logical].memvirtaddr) {
+                       iounmap(pm8001_ha->io_mem[logical].memvirtaddr);
+                       logical++;
+               }
+       }
+}
+
+/**
+ * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
+ * @pm8001_ha: our hba card information
+ */
+static void
+pm8001_chip_intx_interrupt_enable(struct pm8001_hba_info *pm8001_ha)
+{
+       pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_CLEAR_ALL);
+       pm8001_cw32(pm8001_ha, 0, MSGU_ODCR, ODCR_CLEAR_ALL);
+}
+
+ /**
+  * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
+  * @pm8001_ha: our hba card information
+  */
+static void
+pm8001_chip_intx_interrupt_disable(struct pm8001_hba_info *pm8001_ha)
+{
+       pm8001_cw32(pm8001_ha, 0, MSGU_ODMR, ODMR_MASK_ALL);
+}
+
+/**
+ * pm8001_chip_msix_interrupt_enable - enable PM8001 chip interrupt
+ * @pm8001_ha: our hba card information
+ */
+static void
+pm8001_chip_msix_interrupt_enable(struct pm8001_hba_info *pm8001_ha,
+       u32 int_vec_idx)
+{
+       u32 msi_index;
+       u32 value;
+       msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
+       msi_index += MSIX_TABLE_BASE;
+       pm8001_cw32(pm8001_ha, 0, msi_index, MSIX_INTERRUPT_ENABLE);
+       value = (1 << int_vec_idx);
+       pm8001_cw32(pm8001_ha, 0,  MSGU_ODCR, value);
+
+}
+
+/**
+ * pm8001_chip_msix_interrupt_disable - disable PM8001 chip interrupt
+ * @pm8001_ha: our hba card information
+ */
+static void
+pm8001_chip_msix_interrupt_disable(struct pm8001_hba_info *pm8001_ha,
+       u32 int_vec_idx)
+{
+       u32 msi_index;
+       msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE;
+       msi_index += MSIX_TABLE_BASE;
+       pm8001_cw32(pm8001_ha, 0,  msi_index, MSIX_INTERRUPT_DISABLE);
+}
+
+/**
+ * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt
+ * @pm8001_ha: our hba card information
+ */
+static void
+pm8001_chip_interrupt_enable(struct pm8001_hba_info *pm8001_ha, u8 vec)
+{
+#ifdef PM8001_USE_MSIX
+       pm8001_chip_msix_interrupt_enable(pm8001_ha, 0);
+       return;
+#endif
+       pm8001_chip_intx_interrupt_enable(pm8001_ha);
+
+}
+
+/**
+ * pm8001_chip_intx_interrupt_disable- disable PM8001 chip interrupt
+ * @pm8001_ha: our hba card information
+ */
+static void
+pm8001_chip_interrupt_disable(struct pm8001_hba_info *pm8001_ha, u8 vec)
+{
+#ifdef PM8001_USE_MSIX
+       pm8001_chip_msix_interrupt_disable(pm8001_ha, 0);
+       return;
+#endif
+       pm8001_chip_intx_interrupt_disable(pm8001_ha);
+
+}
+
+/**
+ * pm8001_mpi_msg_free_get - get the free message buffer for transfer
+ * inbound queue.
+ * @circularQ: the inbound queue  we want to transfer to HBA.
+ * @messageSize: the message size of this transfer, normally it is 64 bytes
+ * @messagePtr: the pointer to message.
+ */
+int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
+                           u16 messageSize, void **messagePtr)
+{
+       u32 offset, consumer_index;
+       struct mpi_msg_hdr *msgHeader;
+       u8 bcCount = 1; /* only support single buffer */
+
+       /* Checks is the requested message size can be allocated in this queue*/
+       if (messageSize > IOMB_SIZE_SPCV) {
+               *messagePtr = NULL;
+               return -1;
+       }
+
+       /* Stores the new consumer index */
+       consumer_index = pm8001_read_32(circularQ->ci_virt);
+       circularQ->consumer_index = cpu_to_le32(consumer_index);
+       if (((circularQ->producer_idx + bcCount) % PM8001_MPI_QUEUE) ==
+               le32_to_cpu(circularQ->consumer_index)) {
+               *messagePtr = NULL;
+               return -1;
+       }
+       /* get memory IOMB buffer address */
+       offset = circularQ->producer_idx * messageSize;
+       /* increment to next bcCount element */
+       circularQ->producer_idx = (circularQ->producer_idx + bcCount)
+                               % PM8001_MPI_QUEUE;
+       /* Adds that distance to the base of the region virtual address plus
+       the message header size*/
+       msgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt + offset);
+       *messagePtr = ((void *)msgHeader) + sizeof(struct mpi_msg_hdr);
+       return 0;
+}
+
+/**
+ * pm8001_mpi_build_cmd- build the message queue for transfer, update the PI to
+ * FW to tell the fw to get this message from IOMB.
+ * @pm8001_ha: our hba card information
+ * @circularQ: the inbound queue we want to transfer to HBA.
+ * @opCode: the operation code represents commands which LLDD and fw recognized.
+ * @payload: the command payload of each operation command.
+ */
+int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
+                        struct inbound_queue_table *circularQ,
+                        u32 opCode, void *payload, u32 responseQueue)
+{
+       u32 Header = 0, hpriority = 0, bc = 1, category = 0x02;
+       void *pMessage;
+
+       if (pm8001_mpi_msg_free_get(circularQ, pm8001_ha->iomb_size,
+               &pMessage) < 0) {
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("No free mpi buffer\n"));
+               return -ENOMEM;
+       }
+       BUG_ON(!payload);
+       /*Copy to the payload*/
+       memcpy(pMessage, payload, (pm8001_ha->iomb_size -
+                               sizeof(struct mpi_msg_hdr)));
+
+       /*Build the header*/
+       Header = ((1 << 31) | (hpriority << 30) | ((bc & 0x1f) << 24)
+               | ((responseQueue & 0x3F) << 16)
+               | ((category & 0xF) << 12) | (opCode & 0xFFF));
+
+       pm8001_write_32((pMessage - 4), 0, cpu_to_le32(Header));
+       /*Update the PI to the firmware*/
+       pm8001_cw32(pm8001_ha, circularQ->pi_pci_bar,
+               circularQ->pi_offset, circularQ->producer_idx);
+       PM8001_IO_DBG(pm8001_ha,
+               pm8001_printk("INB Q %x OPCODE:%x , UPDATED PI=%d CI=%d\n",
+                       responseQueue, opCode, circularQ->producer_idx,
+                       circularQ->consumer_index));
+       return 0;
+}
+
+u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
+                           struct outbound_queue_table *circularQ, u8 bc)
+{
+       u32 producer_index;
+       struct mpi_msg_hdr *msgHeader;
+       struct mpi_msg_hdr *pOutBoundMsgHeader;
+
+       msgHeader = (struct mpi_msg_hdr *)(pMsg - sizeof(struct mpi_msg_hdr));
+       pOutBoundMsgHeader = (struct mpi_msg_hdr *)(circularQ->base_virt +
+                               circularQ->consumer_idx * pm8001_ha->iomb_size);
+       if (pOutBoundMsgHeader != msgHeader) {
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("consumer_idx = %d msgHeader = %p\n",
+                       circularQ->consumer_idx, msgHeader));
+
+               /* Update the producer index from SPC */
+               producer_index = pm8001_read_32(circularQ->pi_virt);
+               circularQ->producer_index = cpu_to_le32(producer_index);
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("consumer_idx = %d producer_index = %d"
+                       "msgHeader = %p\n", circularQ->consumer_idx,
+                       circularQ->producer_index, msgHeader));
+               return 0;
+       }
+       /* free the circular queue buffer elements associated with the message*/
+       circularQ->consumer_idx = (circularQ->consumer_idx + bc)
+                               % PM8001_MPI_QUEUE;
+       /* update the CI of outbound queue */
+       pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar, circularQ->ci_offset,
+               circularQ->consumer_idx);
+       /* Update the producer index from SPC*/
+       producer_index = pm8001_read_32(circularQ->pi_virt);
+       circularQ->producer_index = cpu_to_le32(producer_index);
+       PM8001_IO_DBG(pm8001_ha,
+               pm8001_printk(" CI=%d PI=%d\n", circularQ->consumer_idx,
+               circularQ->producer_index));
+       return 0;
+}
+
+/**
+ * pm8001_mpi_msg_consume- get the MPI message from outbound queue
+ * message table.
+ * @pm8001_ha: our hba card information
+ * @circularQ: the outbound queue  table.
+ * @messagePtr1: the message contents of this outbound message.
+ * @pBC: the message size.
+ */
+u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
+                          struct outbound_queue_table *circularQ,
+                          void **messagePtr1, u8 *pBC)
+{
+       struct mpi_msg_hdr      *msgHeader;
+       __le32  msgHeader_tmp;
+       u32 header_tmp;
+       do {
+               /* If there are not-yet-delivered messages ... */
+               if (le32_to_cpu(circularQ->producer_index)
+                       != circularQ->consumer_idx) {
+                       /*Get the pointer to the circular queue buffer element*/
+                       msgHeader = (struct mpi_msg_hdr *)
+                               (circularQ->base_virt +
+                               circularQ->consumer_idx * pm8001_ha->iomb_size);
+                       /* read header */
+                       header_tmp = pm8001_read_32(msgHeader);
+                       msgHeader_tmp = cpu_to_le32(header_tmp);
+                       if (0 != (le32_to_cpu(msgHeader_tmp) & 0x80000000)) {
+                               if (OPC_OUB_SKIP_ENTRY !=
+                                       (le32_to_cpu(msgHeader_tmp) & 0xfff)) {
+                                       *messagePtr1 =
+                                               ((u8 *)msgHeader) +
+                                               sizeof(struct mpi_msg_hdr);
+                                       *pBC = (u8)((le32_to_cpu(msgHeader_tmp)
+                                               >> 24) & 0x1f);
+                                       PM8001_IO_DBG(pm8001_ha,
+                                               pm8001_printk(": CI=%d PI=%d "
+                                               "msgHeader=%x\n",
+                                               circularQ->consumer_idx,
+                                               circularQ->producer_index,
+                                               msgHeader_tmp));
+                                       return MPI_IO_STATUS_SUCCESS;
+                               } else {
+                                       circularQ->consumer_idx =
+                                               (circularQ->consumer_idx +
+                                               ((le32_to_cpu(msgHeader_tmp)
+                                                >> 24) & 0x1f))
+                                                       % PM8001_MPI_QUEUE;
+                                       msgHeader_tmp = 0;
+                                       pm8001_write_32(msgHeader, 0, 0);
+                                       /* update the CI of outbound queue */
+                                       pm8001_cw32(pm8001_ha,
+                                               circularQ->ci_pci_bar,
+                                               circularQ->ci_offset,
+                                               circularQ->consumer_idx);
+                               }
+                       } else {
+                               circularQ->consumer_idx =
+                                       (circularQ->consumer_idx +
+                                       ((le32_to_cpu(msgHeader_tmp) >> 24) &
+                                       0x1f)) % PM8001_MPI_QUEUE;
+                               msgHeader_tmp = 0;
+                               pm8001_write_32(msgHeader, 0, 0);
+                               /* update the CI of outbound queue */
+                               pm8001_cw32(pm8001_ha, circularQ->ci_pci_bar,
+                                       circularQ->ci_offset,
+                                       circularQ->consumer_idx);
+                               return MPI_IO_STATUS_FAIL;
+                       }
+               } else {
+                       u32 producer_index;
+                       void *pi_virt = circularQ->pi_virt;
+                       /* Update the producer index from SPC */
+                       producer_index = pm8001_read_32(pi_virt);
+                       circularQ->producer_index = cpu_to_le32(producer_index);
+               }
+       } while (le32_to_cpu(circularQ->producer_index) !=
+               circularQ->consumer_idx);
+       /* while we don't have any more not-yet-delivered message */
+       /* report empty */
+       return MPI_IO_STATUS_BUSY;
+}
+
+void pm8001_work_fn(struct work_struct *work)
+{
+       struct pm8001_work *pw = container_of(work, struct pm8001_work, work);
+       struct pm8001_device *pm8001_dev;
+       struct domain_device *dev;
+
+       /*
+        * So far, all users of this stash an associated structure here.
+        * If we get here, and this pointer is null, then the action
+        * was cancelled. This nullification happens when the device
+        * goes away.
+        */
+       pm8001_dev = pw->data; /* Most stash device structure */
+       if ((pm8001_dev == NULL)
+        || ((pw->handler != IO_XFER_ERROR_BREAK)
+         && (pm8001_dev->dev_type == SAS_PHY_UNUSED))) {
+               kfree(pw);
+               return;
+       }
+
+       switch (pw->handler) {
+       case IO_XFER_ERROR_BREAK:
+       {       /* This one stashes the sas_task instead */
+               struct sas_task *t = (struct sas_task *)pm8001_dev;
+               u32 tag;
+               struct pm8001_ccb_info *ccb;
+               struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
+               unsigned long flags, flags1;
+               struct task_status_struct *ts;
+               int i;
+
+               if (pm8001_query_task(t) == TMF_RESP_FUNC_SUCC)
+                       break; /* Task still on lu */
+               spin_lock_irqsave(&pm8001_ha->lock, flags);
+
+               spin_lock_irqsave(&t->task_state_lock, flags1);
+               if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
+                       spin_unlock_irqrestore(&t->task_state_lock, flags1);
+                       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+                       break; /* Task got completed by another */
+               }
+               spin_unlock_irqrestore(&t->task_state_lock, flags1);
+
+               /* Search for a possible ccb that matches the task */
+               for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
+                       ccb = &pm8001_ha->ccb_info[i];
+                       tag = ccb->ccb_tag;
+                       if ((tag != 0xFFFFFFFF) && (ccb->task == t))
+                               break;
+               }
+               if (!ccb) {
+                       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+                       break; /* Task got freed by another */
+               }
+               ts = &t->task_status;
+               ts->resp = SAS_TASK_COMPLETE;
+               /* Force the midlayer to retry */
+               ts->stat = SAS_QUEUE_FULL;
+               pm8001_dev = ccb->device;
+               if (pm8001_dev)
+                       pm8001_dev->running_req--;
+               spin_lock_irqsave(&t->task_state_lock, flags1);
+               t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
+               t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
+               t->task_state_flags |= SAS_TASK_STATE_DONE;
+               if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
+                       spin_unlock_irqrestore(&t->task_state_lock, flags1);
+                       PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p"
+                               " done with event 0x%x resp 0x%x stat 0x%x but"
+                               " aborted by upper layer!\n",
+                               t, pw->handler, ts->resp, ts->stat));
+                       pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
+                       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+               } else {
+                       spin_unlock_irqrestore(&t->task_state_lock, flags1);
+                       pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
+                       mb();/* in order to force CPU ordering */
+                       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+                       t->task_done(t);
+               }
+       }       break;
+       case IO_XFER_OPEN_RETRY_TIMEOUT:
+       {       /* This one stashes the sas_task instead */
+               struct sas_task *t = (struct sas_task *)pm8001_dev;
+               u32 tag;
+               struct pm8001_ccb_info *ccb;
+               struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha;
+               unsigned long flags, flags1;
+               int i, ret = 0;
+
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
+
+               ret = pm8001_query_task(t);
+
+               PM8001_IO_DBG(pm8001_ha,
+                       switch (ret) {
+                       case TMF_RESP_FUNC_SUCC:
+                               pm8001_printk("...Task on lu\n");
+                               break;
+
+                       case TMF_RESP_FUNC_COMPLETE:
+                               pm8001_printk("...Task NOT on lu\n");
+                               break;
+
+                       default:
+                               pm8001_printk("...query task failed!!!\n");
+                               break;
+                       });
+
+               spin_lock_irqsave(&pm8001_ha->lock, flags);
+
+               spin_lock_irqsave(&t->task_state_lock, flags1);
+
+               if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) {
+                       spin_unlock_irqrestore(&t->task_state_lock, flags1);
+                       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+                       if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
+                               (void)pm8001_abort_task(t);
+                       break; /* Task got completed by another */
+               }
+
+               spin_unlock_irqrestore(&t->task_state_lock, flags1);
+
+               /* Search for a possible ccb that matches the task */
+               for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) {
+                       ccb = &pm8001_ha->ccb_info[i];
+                       tag = ccb->ccb_tag;
+                       if ((tag != 0xFFFFFFFF) && (ccb->task == t))
+                               break;
+               }
+               if (!ccb) {
+                       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+                       if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */
+                               (void)pm8001_abort_task(t);
+                       break; /* Task got freed by another */
+               }
+
+               pm8001_dev = ccb->device;
+               dev = pm8001_dev->sas_device;
+
+               switch (ret) {
+               case TMF_RESP_FUNC_SUCC: /* task on lu */
+                       ccb->open_retry = 1; /* Snub completion */
+                       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+                       ret = pm8001_abort_task(t);
+                       ccb->open_retry = 0;
+                       switch (ret) {
+                       case TMF_RESP_FUNC_SUCC:
+                       case TMF_RESP_FUNC_COMPLETE:
+                               break;
+                       default: /* device misbehavior */
+                               ret = TMF_RESP_FUNC_FAILED;
+                               PM8001_IO_DBG(pm8001_ha,
+                                       pm8001_printk("...Reset phy\n"));
+                               pm8001_I_T_nexus_reset(dev);
+                               break;
+                       }
+                       break;
+
+               case TMF_RESP_FUNC_COMPLETE: /* task not on lu */
+                       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+                       /* Do we need to abort the task locally? */
+                       break;
+
+               default: /* device misbehavior */
+                       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+                       ret = TMF_RESP_FUNC_FAILED;
+                       PM8001_IO_DBG(pm8001_ha,
+                               pm8001_printk("...Reset phy\n"));
+                       pm8001_I_T_nexus_reset(dev);
+               }
+
+               if (ret == TMF_RESP_FUNC_FAILED)
+                       t = NULL;
+               pm8001_open_reject_retry(pm8001_ha, t, pm8001_dev);
+               PM8001_IO_DBG(pm8001_ha, pm8001_printk("...Complete\n"));
+       }       break;
+       case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
+               dev = pm8001_dev->sas_device;
+               pm8001_I_T_nexus_event_handler(dev);
+               break;
+       case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
+               dev = pm8001_dev->sas_device;
+               pm8001_I_T_nexus_reset(dev);
+               break;
+       case IO_DS_IN_ERROR:
+               dev = pm8001_dev->sas_device;
+               pm8001_I_T_nexus_reset(dev);
+               break;
+       case IO_DS_NON_OPERATIONAL:
+               dev = pm8001_dev->sas_device;
+               pm8001_I_T_nexus_reset(dev);
+               break;
+       }
+       kfree(pw);
+}
+
+int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha, void *data,
+                              int handler)
+{
+       struct pm8001_work *pw;
+       int ret = 0;
+
+       pw = kmalloc(sizeof(struct pm8001_work), GFP_ATOMIC);
+       if (pw) {
+               pw->pm8001_ha = pm8001_ha;
+               pw->data = data;
+               pw->handler = handler;
+               INIT_WORK(&pw->work, pm8001_work_fn);
+               queue_work(pm8001_wq, &pw->work);
+       } else
+               ret = -ENOMEM;
+
+       return ret;
+}
+
+static void pm8001_send_abort_all(struct pm8001_hba_info *pm8001_ha,
+               struct pm8001_device *pm8001_ha_dev)
+{
+       int res;
+       u32 ccb_tag;
+       struct pm8001_ccb_info *ccb;
+       struct sas_task *task = NULL;
+       struct task_abort_req task_abort;
+       struct inbound_queue_table *circularQ;
+       u32 opc = OPC_INB_SATA_ABORT;
+       int ret;
+
+       if (!pm8001_ha_dev) {
+               PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("dev is null\n"));
+               return;
+       }
+
+       task = sas_alloc_slow_task(GFP_ATOMIC);
+
+       if (!task) {
+               PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("cannot "
+                                               "allocate task\n"));
+               return;
+       }
+
+       task->task_done = pm8001_task_done;
+
+       res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
+       if (res)
+               return;
+
+       ccb = &pm8001_ha->ccb_info[ccb_tag];
+       ccb->device = pm8001_ha_dev;
+       ccb->ccb_tag = ccb_tag;
+       ccb->task = task;
+
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+
+       memset(&task_abort, 0, sizeof(task_abort));
+       task_abort.abort_all = cpu_to_le32(1);
+       task_abort.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
+       task_abort.tag = cpu_to_le32(ccb_tag);
+
+       ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, 0);
+       if (ret)
+               pm8001_tag_free(pm8001_ha, ccb_tag);
+
+}
+
+static void pm8001_send_read_log(struct pm8001_hba_info *pm8001_ha,
+               struct pm8001_device *pm8001_ha_dev)
+{
+       struct sata_start_req sata_cmd;
+       int res;
+       u32 ccb_tag;
+       struct pm8001_ccb_info *ccb;
+       struct sas_task *task = NULL;
+       struct host_to_dev_fis fis;
+       struct domain_device *dev;
+       struct inbound_queue_table *circularQ;
+       u32 opc = OPC_INB_SATA_HOST_OPSTART;
+
+       task = sas_alloc_slow_task(GFP_ATOMIC);
+
+       if (!task) {
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("cannot allocate task !!!\n"));
+               return;
+       }
+       task->task_done = pm8001_task_done;
+
+       res = pm8001_tag_alloc(pm8001_ha, &ccb_tag);
+       if (res) {
+               sas_free_task(task);
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("cannot allocate tag !!!\n"));
+               return;
+       }
+
+       /* allocate domain device by ourselves as libsas
+        * is not going to provide any
+       */
+       dev = kzalloc(sizeof(struct domain_device), GFP_ATOMIC);
+       if (!dev) {
+               sas_free_task(task);
+               pm8001_tag_free(pm8001_ha, ccb_tag);
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("Domain device cannot be allocated\n"));
+               return;
+       }
+       task->dev = dev;
+       task->dev->lldd_dev = pm8001_ha_dev;
+
+       ccb = &pm8001_ha->ccb_info[ccb_tag];
+       ccb->device = pm8001_ha_dev;
+       ccb->ccb_tag = ccb_tag;
+       ccb->task = task;
+       pm8001_ha_dev->id |= NCQ_READ_LOG_FLAG;
+       pm8001_ha_dev->id |= NCQ_2ND_RLE_FLAG;
+
+       memset(&sata_cmd, 0, sizeof(sata_cmd));
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+
+       /* construct read log FIS */
+       memset(&fis, 0, sizeof(struct host_to_dev_fis));
+       fis.fis_type = 0x27;
+       fis.flags = 0x80;
+       fis.command = ATA_CMD_READ_LOG_EXT;
+       fis.lbal = 0x10;
+       fis.sector_count = 0x1;
+
+       sata_cmd.tag = cpu_to_le32(ccb_tag);
+       sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
+       sata_cmd.ncqtag_atap_dir_m |= ((0x1 << 7) | (0x5 << 9));
+       memcpy(&sata_cmd.sata_fis, &fis, sizeof(struct host_to_dev_fis));
+
+       res = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0);
+       if (res) {
+               sas_free_task(task);
+               pm8001_tag_free(pm8001_ha, ccb_tag);
+               kfree(dev);
+       }
+}
+
+/**
+ * mpi_ssp_completion- process the event that FW response to the SSP request.
+ * @pm8001_ha: our hba card information
+ * @piomb: the message contents of this outbound message.
+ *
+ * When FW has completed a ssp request for example a IO request, after it has
+ * filled the SG data with the data, it will trigger this event represent
+ * that he has finished the job,please check the coresponding buffer.
+ * So we will tell the caller who maybe waiting the result to tell upper layer
+ * that the task has been finished.
+ */
+static void
+mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb)
+{
+       struct sas_task *t;
+       struct pm8001_ccb_info *ccb;
+       unsigned long flags;
+       u32 status;
+       u32 param;
+       u32 tag;
+       struct ssp_completion_resp *psspPayload;
+       struct task_status_struct *ts;
+       struct ssp_response_iu *iu;
+       struct pm8001_device *pm8001_dev;
+       psspPayload = (struct ssp_completion_resp *)(piomb + 4);
+       status = le32_to_cpu(psspPayload->status);
+       tag = le32_to_cpu(psspPayload->tag);
+       ccb = &pm8001_ha->ccb_info[tag];
+       if ((status == IO_ABORTED) && ccb->open_retry) {
+               /* Being completed by another */
+               ccb->open_retry = 0;
+               return;
+       }
+       pm8001_dev = ccb->device;
+       param = le32_to_cpu(psspPayload->param);
+
+       t = ccb->task;
+
+       if (status && status != IO_UNDERFLOW)
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("sas IO status 0x%x\n", status));
+       if (unlikely(!t || !t->lldd_task || !t->dev))
+               return;
+       ts = &t->task_status;
+       /* Print sas address of IO failed device */
+       if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
+               (status != IO_UNDERFLOW))
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("SAS Address of IO Failure Drive:"
+                       "%016llx", SAS_ADDR(t->dev->sas_addr)));
+
+       switch (status) {
+       case IO_SUCCESS:
+               PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS"
+                       ",param = %d\n", param));
+               if (param == 0) {
+                       ts->resp = SAS_TASK_COMPLETE;
+                       ts->stat = SAM_STAT_GOOD;
+               } else {
+                       ts->resp = SAS_TASK_COMPLETE;
+                       ts->stat = SAS_PROTO_RESPONSE;
+                       ts->residual = param;
+                       iu = &psspPayload->ssp_resp_iu;
+                       sas_ssp_task_response(pm8001_ha->dev, t, iu);
+               }
+               if (pm8001_dev)
+                       pm8001_dev->running_req--;
+               break;
+       case IO_ABORTED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_ABORTED IOMB Tag\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_ABORTED_TASK;
+               break;
+       case IO_UNDERFLOW:
+               /* SSP Completion with error */
+               PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW"
+                       ",param = %d\n", param));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DATA_UNDERRUN;
+               ts->residual = param;
+               if (pm8001_dev)
+                       pm8001_dev->running_req--;
+               break;
+       case IO_NO_DEVICE:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_NO_DEVICE\n"));
+               ts->resp = SAS_TASK_UNDELIVERED;
+               ts->stat = SAS_PHY_DOWN;
+               break;
+       case IO_XFER_ERROR_BREAK:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_BREAK\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               /* Force the midlayer to retry */
+               ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+               break;
+       case IO_XFER_ERROR_PHY_NOT_READY:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+               break;
+       case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
+               PM8001_IO_DBG(pm8001_ha,
+               pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_EPROTO;
+               break;
+       case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_UNKNOWN;
+               break;
+       case IO_OPEN_CNX_ERROR_BREAK:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+               break;
+       case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_UNKNOWN;
+               if (!t->uldd_task)
+                       pm8001_handle_event(pm8001_ha,
+                               pm8001_dev,
+                               IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
+               break;
+       case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_BAD_DEST;
+               break;
+       case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
+                       "NOT_SUPPORTED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_CONN_RATE;
+               break;
+       case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
+               ts->resp = SAS_TASK_UNDELIVERED;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
+               break;
+       case IO_XFER_ERROR_NAK_RECEIVED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+               break;
+       case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_NAK_R_ERR;
+               break;
+       case IO_XFER_ERROR_DMA:
+               PM8001_IO_DBG(pm8001_ha,
+               pm8001_printk("IO_XFER_ERROR_DMA\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               break;
+       case IO_XFER_OPEN_RETRY_TIMEOUT:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+               break;
+       case IO_XFER_ERROR_OFFSET_MISMATCH:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               break;
+       case IO_PORT_IN_RESET:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_PORT_IN_RESET\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               break;
+       case IO_DS_NON_OPERATIONAL:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               if (!t->uldd_task)
+                       pm8001_handle_event(pm8001_ha,
+                               pm8001_dev,
+                               IO_DS_NON_OPERATIONAL);
+               break;
+       case IO_DS_IN_RECOVERY:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_DS_IN_RECOVERY\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               break;
+       case IO_TM_TAG_NOT_FOUND:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_TM_TAG_NOT_FOUND\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               break;
+       case IO_SSP_EXT_IU_ZERO_LEN_ERROR:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_SSP_EXT_IU_ZERO_LEN_ERROR\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               break;
+       case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+               break;
+       default:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("Unknown status 0x%x\n", status));
+               /* not allowed case. Therefore, return failed status */
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               break;
+       }
+       PM8001_IO_DBG(pm8001_ha,
+               pm8001_printk("scsi_status = %x\n ",
+               psspPayload->ssp_resp_iu.status));
+       spin_lock_irqsave(&t->task_state_lock, flags);
+       t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
+       t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
+       t->task_state_flags |= SAS_TASK_STATE_DONE;
+       if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
+               spin_unlock_irqrestore(&t->task_state_lock, flags);
+               PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
+                       " io_status 0x%x resp 0x%x "
+                       "stat 0x%x but aborted by upper layer!\n",
+                       t, status, ts->resp, ts->stat));
+               pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
+       } else {
+               spin_unlock_irqrestore(&t->task_state_lock, flags);
+               pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
+               mb();/* in order to force CPU ordering */
+               t->task_done(t);
+       }
+}
+
+/*See the comments for mpi_ssp_completion */
+static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
+{
+       struct sas_task *t;
+       unsigned long flags;
+       struct task_status_struct *ts;
+       struct pm8001_ccb_info *ccb;
+       struct pm8001_device *pm8001_dev;
+       struct ssp_event_resp *psspPayload =
+               (struct ssp_event_resp *)(piomb + 4);
+       u32 event = le32_to_cpu(psspPayload->event);
+       u32 tag = le32_to_cpu(psspPayload->tag);
+       u32 port_id = le32_to_cpu(psspPayload->port_id);
+       u32 dev_id = le32_to_cpu(psspPayload->device_id);
+
+       ccb = &pm8001_ha->ccb_info[tag];
+       t = ccb->task;
+       pm8001_dev = ccb->device;
+       if (event)
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("sas IO status 0x%x\n", event));
+       if (unlikely(!t || !t->lldd_task || !t->dev))
+               return;
+       ts = &t->task_status;
+       PM8001_IO_DBG(pm8001_ha,
+               pm8001_printk("port_id = %x,device_id = %x\n",
+               port_id, dev_id));
+       switch (event) {
+       case IO_OVERFLOW:
+               PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n");)
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DATA_OVERRUN;
+               ts->residual = 0;
+               if (pm8001_dev)
+                       pm8001_dev->running_req--;
+               break;
+       case IO_XFER_ERROR_BREAK:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_BREAK\n"));
+               pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK);
+               return;
+       case IO_XFER_ERROR_PHY_NOT_READY:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+               break;
+       case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
+                       "_SUPPORTED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_EPROTO;
+               break;
+       case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_UNKNOWN;
+               break;
+       case IO_OPEN_CNX_ERROR_BREAK:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+               break;
+       case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_UNKNOWN;
+               if (!t->uldd_task)
+                       pm8001_handle_event(pm8001_ha,
+                               pm8001_dev,
+                               IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
+               break;
+       case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_BAD_DEST;
+               break;
+       case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
+                       "NOT_SUPPORTED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_CONN_RATE;
+               break;
+       case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
+               PM8001_IO_DBG(pm8001_ha,
+                      pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
+               break;
+       case IO_XFER_ERROR_NAK_RECEIVED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+               break;
+       case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_NAK_R_ERR;
+               break;
+       case IO_XFER_OPEN_RETRY_TIMEOUT:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
+               pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT);
+               return;
+       case IO_XFER_ERROR_UNEXPECTED_PHASE:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DATA_OVERRUN;
+               break;
+       case IO_XFER_ERROR_XFER_RDY_OVERRUN:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DATA_OVERRUN;
+               break;
+       case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
+               PM8001_IO_DBG(pm8001_ha,
+                      pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DATA_OVERRUN;
+               break;
+       case IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT:
+               PM8001_IO_DBG(pm8001_ha,
+               pm8001_printk("IO_XFER_ERROR_CMD_ISSUE_ACK_NAK_TIMEOUT\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DATA_OVERRUN;
+               break;
+       case IO_XFER_ERROR_OFFSET_MISMATCH:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DATA_OVERRUN;
+               break;
+       case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DATA_OVERRUN;
+               break;
+       case IO_XFER_CMD_FRAME_ISSUED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("  IO_XFER_CMD_FRAME_ISSUED\n"));
+               return;
+       default:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("Unknown status 0x%x\n", event));
+               /* not allowed case. Therefore, return failed status */
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DATA_OVERRUN;
+               break;
+       }
+       spin_lock_irqsave(&t->task_state_lock, flags);
+       t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
+       t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
+       t->task_state_flags |= SAS_TASK_STATE_DONE;
+       if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
+               spin_unlock_irqrestore(&t->task_state_lock, flags);
+               PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
+                       " event 0x%x resp 0x%x "
+                       "stat 0x%x but aborted by upper layer!\n",
+                       t, event, ts->resp, ts->stat));
+               pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
+       } else {
+               spin_unlock_irqrestore(&t->task_state_lock, flags);
+               pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
+               mb();/* in order to force CPU ordering */
+               t->task_done(t);
+       }
+}
+
+/*See the comments for mpi_ssp_completion */
+static void
+mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
+{
+       struct sas_task *t;
+       struct pm8001_ccb_info *ccb;
+       u32 param;
+       u32 status;
+       u32 tag;
+       int i, j;
+       u8 sata_addr_low[4];
+       u32 temp_sata_addr_low;
+       u8 sata_addr_hi[4];
+       u32 temp_sata_addr_hi;
+       struct sata_completion_resp *psataPayload;
+       struct task_status_struct *ts;
+       struct ata_task_resp *resp ;
+       u32 *sata_resp;
+       struct pm8001_device *pm8001_dev;
+       unsigned long flags;
+
+       psataPayload = (struct sata_completion_resp *)(piomb + 4);
+       status = le32_to_cpu(psataPayload->status);
+       tag = le32_to_cpu(psataPayload->tag);
+
+       if (!tag) {
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("tag null\n"));
+               return;
+       }
+       ccb = &pm8001_ha->ccb_info[tag];
+       param = le32_to_cpu(psataPayload->param);
+       if (ccb) {
+               t = ccb->task;
+               pm8001_dev = ccb->device;
+       } else {
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("ccb null\n"));
+               return;
+       }
+
+       if (t) {
+               if (t->dev && (t->dev->lldd_dev))
+                       pm8001_dev = t->dev->lldd_dev;
+       } else {
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("task null\n"));
+               return;
+       }
+
+       if ((pm8001_dev && !(pm8001_dev->id & NCQ_READ_LOG_FLAG))
+               && unlikely(!t || !t->lldd_task || !t->dev)) {
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("task or dev null\n"));
+               return;
+       }
+
+       ts = &t->task_status;
+       if (!ts) {
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("ts null\n"));
+               return;
+       }
+       /* Print sas address of IO failed device */
+       if ((status != IO_SUCCESS) && (status != IO_OVERFLOW) &&
+               (status != IO_UNDERFLOW)) {
+               if (!((t->dev->parent) &&
+                       (DEV_IS_EXPANDER(t->dev->parent->dev_type)))) {
+                       for (i = 0 , j = 4; j <= 7 && i <= 3; i++ , j++)
+                               sata_addr_low[i] = pm8001_ha->sas_addr[j];
+                       for (i = 0 , j = 0; j <= 3 && i <= 3; i++ , j++)
+                               sata_addr_hi[i] = pm8001_ha->sas_addr[j];
+                       memcpy(&temp_sata_addr_low, sata_addr_low,
+                               sizeof(sata_addr_low));
+                       memcpy(&temp_sata_addr_hi, sata_addr_hi,
+                               sizeof(sata_addr_hi));
+                       temp_sata_addr_hi = (((temp_sata_addr_hi >> 24) & 0xff)
+                                               |((temp_sata_addr_hi << 8) &
+                                               0xff0000) |
+                                               ((temp_sata_addr_hi >> 8)
+                                               & 0xff00) |
+                                               ((temp_sata_addr_hi << 24) &
+                                               0xff000000));
+                       temp_sata_addr_low = ((((temp_sata_addr_low >> 24)
+                                               & 0xff) |
+                                               ((temp_sata_addr_low << 8)
+                                               & 0xff0000) |
+                                               ((temp_sata_addr_low >> 8)
+                                               & 0xff00) |
+                                               ((temp_sata_addr_low << 24)
+                                               & 0xff000000)) +
+                                               pm8001_dev->attached_phy +
+                                               0x10);
+                       PM8001_FAIL_DBG(pm8001_ha,
+                               pm8001_printk("SAS Address of IO Failure Drive:"
+                               "%08x%08x", temp_sata_addr_hi,
+                                       temp_sata_addr_low));
+               } else {
+                       PM8001_FAIL_DBG(pm8001_ha,
+                               pm8001_printk("SAS Address of IO Failure Drive:"
+                               "%016llx", SAS_ADDR(t->dev->sas_addr)));
+               }
+       }
+       switch (status) {
+       case IO_SUCCESS:
+               PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
+               if (param == 0) {
+                       ts->resp = SAS_TASK_COMPLETE;
+                       ts->stat = SAM_STAT_GOOD;
+                       /* check if response is for SEND READ LOG */
+                       if (pm8001_dev &&
+                               (pm8001_dev->id & NCQ_READ_LOG_FLAG)) {
+                               /* set new bit for abort_all */
+                               pm8001_dev->id |= NCQ_ABORT_ALL_FLAG;
+                               /* clear bit for read log */
+                               pm8001_dev->id = pm8001_dev->id & 0x7FFFFFFF;
+                               pm8001_send_abort_all(pm8001_ha, pm8001_dev);
+                               /* Free the tag */
+                               pm8001_tag_free(pm8001_ha, tag);
+                               sas_free_task(t);
+                               return;
+                       }
+               } else {
+                       u8 len;
+                       ts->resp = SAS_TASK_COMPLETE;
+                       ts->stat = SAS_PROTO_RESPONSE;
+                       ts->residual = param;
+                       PM8001_IO_DBG(pm8001_ha,
+                               pm8001_printk("SAS_PROTO_RESPONSE len = %d\n",
+                               param));
+                       sata_resp = &psataPayload->sata_resp[0];
+                       resp = (struct ata_task_resp *)ts->buf;
+                       if (t->ata_task.dma_xfer == 0 &&
+                       t->data_dir == PCI_DMA_FROMDEVICE) {
+                               len = sizeof(struct pio_setup_fis);
+                               PM8001_IO_DBG(pm8001_ha,
+                               pm8001_printk("PIO read len = %d\n", len));
+                       } else if (t->ata_task.use_ncq) {
+                               len = sizeof(struct set_dev_bits_fis);
+                               PM8001_IO_DBG(pm8001_ha,
+                                       pm8001_printk("FPDMA len = %d\n", len));
+                       } else {
+                               len = sizeof(struct dev_to_host_fis);
+                               PM8001_IO_DBG(pm8001_ha,
+                               pm8001_printk("other len = %d\n", len));
+                       }
+                       if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
+                               resp->frame_len = len;
+                               memcpy(&resp->ending_fis[0], sata_resp, len);
+                               ts->buf_valid_size = sizeof(*resp);
+                       } else
+                               PM8001_IO_DBG(pm8001_ha,
+                                       pm8001_printk("response to large\n"));
+               }
+               if (pm8001_dev)
+                       pm8001_dev->running_req--;
+               break;
+       case IO_ABORTED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_ABORTED IOMB Tag\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_ABORTED_TASK;
+               if (pm8001_dev)
+                       pm8001_dev->running_req--;
+               break;
+               /* following cases are to do cases */
+       case IO_UNDERFLOW:
+               /* SATA Completion with error */
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_UNDERFLOW param = %d\n", param));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DATA_UNDERRUN;
+               ts->residual =  param;
+               if (pm8001_dev)
+                       pm8001_dev->running_req--;
+               break;
+       case IO_NO_DEVICE:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_NO_DEVICE\n"));
+               ts->resp = SAS_TASK_UNDELIVERED;
+               ts->stat = SAS_PHY_DOWN;
+               break;
+       case IO_XFER_ERROR_BREAK:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_BREAK\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_INTERRUPTED;
+               break;
+       case IO_XFER_ERROR_PHY_NOT_READY:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+               break;
+       case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
+                       "_SUPPORTED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_EPROTO;
+               break;
+       case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_UNKNOWN;
+               break;
+       case IO_OPEN_CNX_ERROR_BREAK:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
+               break;
+       case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DEV_NO_RESPONSE;
+               if (!t->uldd_task) {
+                       pm8001_handle_event(pm8001_ha,
+                               pm8001_dev,
+                               IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
+                       ts->resp = SAS_TASK_UNDELIVERED;
+                       ts->stat = SAS_QUEUE_FULL;
+                       pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
+                       return;
+               }
+               break;
+       case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
+               ts->resp = SAS_TASK_UNDELIVERED;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_BAD_DEST;
+               if (!t->uldd_task) {
+                       pm8001_handle_event(pm8001_ha,
+                               pm8001_dev,
+                               IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
+                       ts->resp = SAS_TASK_UNDELIVERED;
+                       ts->stat = SAS_QUEUE_FULL;
+                       pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
+                       return;
+               }
+               break;
+       case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
+                       "NOT_SUPPORTED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_CONN_RATE;
+               break;
+       case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_STP_RESOURCES"
+                       "_BUSY\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DEV_NO_RESPONSE;
+               if (!t->uldd_task) {
+                       pm8001_handle_event(pm8001_ha,
+                               pm8001_dev,
+                               IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY);
+                       ts->resp = SAS_TASK_UNDELIVERED;
+                       ts->stat = SAS_QUEUE_FULL;
+                       pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
+                       return;
+               }
+               break;
+       case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
+               PM8001_IO_DBG(pm8001_ha,
+                      pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
+               break;
+       case IO_XFER_ERROR_NAK_RECEIVED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_NAK_R_ERR;
+               break;
+       case IO_XFER_ERROR_ACK_NAK_TIMEOUT:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_ACK_NAK_TIMEOUT\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_NAK_R_ERR;
+               break;
+       case IO_XFER_ERROR_DMA:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_DMA\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_ABORTED_TASK;
+               break;
+       case IO_XFER_ERROR_SATA_LINK_TIMEOUT:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_SATA_LINK_TIMEOUT\n"));
+               ts->resp = SAS_TASK_UNDELIVERED;
+               ts->stat = SAS_DEV_NO_RESPONSE;
+               break;
+       case IO_XFER_ERROR_REJECTED_NCQ_MODE:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DATA_UNDERRUN;
+               break;
+       case IO_XFER_OPEN_RETRY_TIMEOUT:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_TO;
+               break;
+       case IO_PORT_IN_RESET:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_PORT_IN_RESET\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DEV_NO_RESPONSE;
+               break;
+       case IO_DS_NON_OPERATIONAL:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DEV_NO_RESPONSE;
+               if (!t->uldd_task) {
+                       pm8001_handle_event(pm8001_ha, pm8001_dev,
+                                   IO_DS_NON_OPERATIONAL);
+                       ts->resp = SAS_TASK_UNDELIVERED;
+                       ts->stat = SAS_QUEUE_FULL;
+                       pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
+                       return;
+               }
+               break;
+       case IO_DS_IN_RECOVERY:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("  IO_DS_IN_RECOVERY\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DEV_NO_RESPONSE;
+               break;
+       case IO_DS_IN_ERROR:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_DS_IN_ERROR\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DEV_NO_RESPONSE;
+               if (!t->uldd_task) {
+                       pm8001_handle_event(pm8001_ha, pm8001_dev,
+                                   IO_DS_IN_ERROR);
+                       ts->resp = SAS_TASK_UNDELIVERED;
+                       ts->stat = SAS_QUEUE_FULL;
+                       pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
+                       return;
+               }
+               break;
+       case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+       default:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("Unknown status 0x%x\n", status));
+               /* not allowed case. Therefore, return failed status */
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DEV_NO_RESPONSE;
+               break;
+       }
+       spin_lock_irqsave(&t->task_state_lock, flags);
+       t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
+       t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
+       t->task_state_flags |= SAS_TASK_STATE_DONE;
+       if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
+               spin_unlock_irqrestore(&t->task_state_lock, flags);
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("task 0x%p done with io_status 0x%x"
+                       " resp 0x%x stat 0x%x but aborted by upper layer!\n",
+                       t, status, ts->resp, ts->stat));
+               pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
+       } else {
+               spin_unlock_irqrestore(&t->task_state_lock, flags);
+               pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
+       }
+}
+
+/*See the comments for mpi_ssp_completion */
+static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
+{
+       struct sas_task *t;
+       struct task_status_struct *ts;
+       struct pm8001_ccb_info *ccb;
+       struct pm8001_device *pm8001_dev;
+       struct sata_event_resp *psataPayload =
+               (struct sata_event_resp *)(piomb + 4);
+       u32 event = le32_to_cpu(psataPayload->event);
+       u32 tag = le32_to_cpu(psataPayload->tag);
+       u32 port_id = le32_to_cpu(psataPayload->port_id);
+       u32 dev_id = le32_to_cpu(psataPayload->device_id);
+       unsigned long flags;
+
+       ccb = &pm8001_ha->ccb_info[tag];
+
+       if (ccb) {
+               t = ccb->task;
+               pm8001_dev = ccb->device;
+       } else {
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("No CCB !!!. returning\n"));
+       }
+       if (event)
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("SATA EVENT 0x%x\n", event));
+
+       /* Check if this is NCQ error */
+       if (event == IO_XFER_ERROR_ABORTED_NCQ_MODE) {
+               /* find device using device id */
+               pm8001_dev = pm8001_find_dev(pm8001_ha, dev_id);
+               /* send read log extension */
+               if (pm8001_dev)
+                       pm8001_send_read_log(pm8001_ha, pm8001_dev);
+               return;
+       }
+
+       ccb = &pm8001_ha->ccb_info[tag];
+       t = ccb->task;
+       pm8001_dev = ccb->device;
+       if (event)
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("sata IO status 0x%x\n", event));
+       if (unlikely(!t || !t->lldd_task || !t->dev))
+               return;
+       ts = &t->task_status;
+       PM8001_IO_DBG(pm8001_ha, pm8001_printk(
+               "port_id:0x%x, device_id:0x%x, tag:0x%x, event:0x%x\n",
+               port_id, dev_id, tag, event));
+       switch (event) {
+       case IO_OVERFLOW:
+               PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DATA_OVERRUN;
+               ts->residual = 0;
+               if (pm8001_dev)
+                       pm8001_dev->running_req--;
+               break;
+       case IO_XFER_ERROR_BREAK:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_BREAK\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_INTERRUPTED;
+               break;
+       case IO_XFER_ERROR_PHY_NOT_READY:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+               break;
+       case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT"
+                       "_SUPPORTED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_EPROTO;
+               break;
+       case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_UNKNOWN;
+               break;
+       case IO_OPEN_CNX_ERROR_BREAK:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
+               break;
+       case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
+               ts->resp = SAS_TASK_UNDELIVERED;
+               ts->stat = SAS_DEV_NO_RESPONSE;
+               if (!t->uldd_task) {
+                       pm8001_handle_event(pm8001_ha,
+                               pm8001_dev,
+                               IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
+                       ts->resp = SAS_TASK_COMPLETE;
+                       ts->stat = SAS_QUEUE_FULL;
+                       pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
+                       return;
+               }
+               break;
+       case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
+               ts->resp = SAS_TASK_UNDELIVERED;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_BAD_DEST;
+               break;
+       case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
+                       "NOT_SUPPORTED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_CONN_RATE;
+               break;
+       case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
+               PM8001_IO_DBG(pm8001_ha,
+                      pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
+               break;
+       case IO_XFER_ERROR_NAK_RECEIVED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_NAK_RECEIVED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_NAK_R_ERR;
+               break;
+       case IO_XFER_ERROR_PEER_ABORTED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_PEER_ABORTED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_NAK_R_ERR;
+               break;
+       case IO_XFER_ERROR_REJECTED_NCQ_MODE:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_REJECTED_NCQ_MODE\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DATA_UNDERRUN;
+               break;
+       case IO_XFER_OPEN_RETRY_TIMEOUT:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_TO;
+               break;
+       case IO_XFER_ERROR_UNEXPECTED_PHASE:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_TO;
+               break;
+       case IO_XFER_ERROR_XFER_RDY_OVERRUN:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_XFER_RDY_OVERRUN\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_TO;
+               break;
+       case IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED:
+               PM8001_IO_DBG(pm8001_ha,
+                      pm8001_printk("IO_XFER_ERROR_XFER_RDY_NOT_EXPECTED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_TO;
+               break;
+       case IO_XFER_ERROR_OFFSET_MISMATCH:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_OFFSET_MISMATCH\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_TO;
+               break;
+       case IO_XFER_ERROR_XFER_ZERO_DATA_LEN:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_XFER_ZERO_DATA_LEN\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_TO;
+               break;
+       case IO_XFER_CMD_FRAME_ISSUED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_CMD_FRAME_ISSUED\n"));
+               break;
+       case IO_XFER_PIO_SETUP_ERROR:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_PIO_SETUP_ERROR\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_TO;
+               break;
+       default:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("Unknown status 0x%x\n", event));
+               /* not allowed case. Therefore, return failed status */
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_TO;
+               break;
+       }
+       spin_lock_irqsave(&t->task_state_lock, flags);
+       t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
+       t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
+       t->task_state_flags |= SAS_TASK_STATE_DONE;
+       if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
+               spin_unlock_irqrestore(&t->task_state_lock, flags);
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("task 0x%p done with io_status 0x%x"
+                       " resp 0x%x stat 0x%x but aborted by upper layer!\n",
+                       t, event, ts->resp, ts->stat));
+               pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
+       } else {
+               spin_unlock_irqrestore(&t->task_state_lock, flags);
+               pm8001_ccb_task_free_done(pm8001_ha, t, ccb, tag);
+       }
+}
+
+/*See the comments for mpi_ssp_completion */
+static void
+mpi_smp_completion(struct pm8001_hba_info *pm8001_ha, void *piomb)
+{
+       u32 param;
+       struct sas_task *t;
+       struct pm8001_ccb_info *ccb;
+       unsigned long flags;
+       u32 status;
+       u32 tag;
+       struct smp_completion_resp *psmpPayload;
+       struct task_status_struct *ts;
+       struct pm8001_device *pm8001_dev;
+
+       psmpPayload = (struct smp_completion_resp *)(piomb + 4);
+       status = le32_to_cpu(psmpPayload->status);
+       tag = le32_to_cpu(psmpPayload->tag);
+
+       ccb = &pm8001_ha->ccb_info[tag];
+       param = le32_to_cpu(psmpPayload->param);
+       t = ccb->task;
+       ts = &t->task_status;
+       pm8001_dev = ccb->device;
+       if (status)
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("smp IO status 0x%x\n", status));
+       if (unlikely(!t || !t->lldd_task || !t->dev))
+               return;
+
+       switch (status) {
+       case IO_SUCCESS:
+               PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAM_STAT_GOOD;
+       if (pm8001_dev)
+                       pm8001_dev->running_req--;
+               break;
+       case IO_ABORTED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_ABORTED IOMB\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_ABORTED_TASK;
+               if (pm8001_dev)
+                       pm8001_dev->running_req--;
+               break;
+       case IO_OVERFLOW:
+               PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_UNDERFLOW\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DATA_OVERRUN;
+               ts->residual = 0;
+               if (pm8001_dev)
+                       pm8001_dev->running_req--;
+               break;
+       case IO_NO_DEVICE:
+               PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_NO_DEVICE\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_PHY_DOWN;
+               break;
+       case IO_ERROR_HW_TIMEOUT:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_ERROR_HW_TIMEOUT\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAM_STAT_BUSY;
+               break;
+       case IO_XFER_ERROR_BREAK:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_BREAK\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAM_STAT_BUSY;
+               break;
+       case IO_XFER_ERROR_PHY_NOT_READY:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAM_STAT_BUSY;
+               break;
+       case IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED:
+               PM8001_IO_DBG(pm8001_ha,
+               pm8001_printk("IO_OPEN_CNX_ERROR_PROTOCOL_NOT_SUPPORTED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_UNKNOWN;
+               break;
+       case IO_OPEN_CNX_ERROR_ZONE_VIOLATION:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_ZONE_VIOLATION\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_UNKNOWN;
+               break;
+       case IO_OPEN_CNX_ERROR_BREAK:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_BREAK\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_CONT0;
+               break;
+       case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_UNKNOWN;
+               pm8001_handle_event(pm8001_ha,
+                               pm8001_dev,
+                               IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS);
+               break;
+       case IO_OPEN_CNX_ERROR_BAD_DESTINATION:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_BAD_DESTINATION\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_BAD_DEST;
+               break;
+       case IO_OPEN_CNX_ERROR_CONNECTION_RATE_NOT_SUPPORTED:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_CONNECTION_RATE_"
+                       "NOT_SUPPORTED\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_CONN_RATE;
+               break;
+       case IO_OPEN_CNX_ERROR_WRONG_DESTINATION:
+               PM8001_IO_DBG(pm8001_ha,
+                      pm8001_printk("IO_OPEN_CNX_ERROR_WRONG_DESTINATION\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_WRONG_DEST;
+               break;
+       case IO_XFER_ERROR_RX_FRAME:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_ERROR_RX_FRAME\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DEV_NO_RESPONSE;
+               break;
+       case IO_XFER_OPEN_RETRY_TIMEOUT:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+               break;
+       case IO_ERROR_INTERNAL_SMP_RESOURCE:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_ERROR_INTERNAL_SMP_RESOURCE\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_QUEUE_FULL;
+               break;
+       case IO_PORT_IN_RESET:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_PORT_IN_RESET\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+               break;
+       case IO_DS_NON_OPERATIONAL:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_DS_NON_OPERATIONAL\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DEV_NO_RESPONSE;
+               break;
+       case IO_DS_IN_RECOVERY:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_DS_IN_RECOVERY\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+               break;
+       case IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("IO_OPEN_CNX_ERROR_HW_RESOURCE_BUSY\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_OPEN_REJECT;
+               ts->open_rej_reason = SAS_OREJ_RSVD_RETRY;
+               break;
+       default:
+               PM8001_IO_DBG(pm8001_ha,
+                       pm8001_printk("Unknown status 0x%x\n", status));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAS_DEV_NO_RESPONSE;
+               /* not allowed case. Therefore, return failed status */
+               break;
+       }
+       spin_lock_irqsave(&t->task_state_lock, flags);
+       t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
+       t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
+       t->task_state_flags |= SAS_TASK_STATE_DONE;
+       if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) {
+               spin_unlock_irqrestore(&t->task_state_lock, flags);
+               PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p done with"
+                       " io_status 0x%x resp 0x%x "
+                       "stat 0x%x but aborted by upper layer!\n",
+                       t, status, ts->resp, ts->stat));
+               pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
+       } else {
+               spin_unlock_irqrestore(&t->task_state_lock, flags);
+               pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
+               mb();/* in order to force CPU ordering */
+               t->task_done(t);
+       }
+}
+
+void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
+               void *piomb)
+{
+       struct set_dev_state_resp *pPayload =
+               (struct set_dev_state_resp *)(piomb + 4);
+       u32 tag = le32_to_cpu(pPayload->tag);
+       struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
+       struct pm8001_device *pm8001_dev = ccb->device;
+       u32 status = le32_to_cpu(pPayload->status);
+       u32 device_id = le32_to_cpu(pPayload->device_id);
+       u8 pds = le32_to_cpu(pPayload->pds_nds) & PDS_BITS;
+       u8 nds = le32_to_cpu(pPayload->pds_nds) & NDS_BITS;
+       PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Set device id = 0x%x state "
+               "from 0x%x to 0x%x status = 0x%x!\n",
+               device_id, pds, nds, status));
+       complete(pm8001_dev->setds_completion);
+       ccb->task = NULL;
+       ccb->ccb_tag = 0xFFFFFFFF;
+       pm8001_tag_free(pm8001_ha, tag);
+}
+
+void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
+{
+       struct get_nvm_data_resp *pPayload =
+               (struct get_nvm_data_resp *)(piomb + 4);
+       u32 tag = le32_to_cpu(pPayload->tag);
+       struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
+       u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
+       complete(pm8001_ha->nvmd_completion);
+       PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Set nvm data complete!\n"));
+       if ((dlen_status & NVMD_STAT) != 0) {
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("Set nvm data error!\n"));
+               return;
+       }
+       ccb->task = NULL;
+       ccb->ccb_tag = 0xFFFFFFFF;
+       pm8001_tag_free(pm8001_ha, tag);
+}
+
+void
+pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
+{
+       struct fw_control_ex    *fw_control_context;
+       struct get_nvm_data_resp *pPayload =
+               (struct get_nvm_data_resp *)(piomb + 4);
+       u32 tag = le32_to_cpu(pPayload->tag);
+       struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
+       u32 dlen_status = le32_to_cpu(pPayload->dlen_status);
+       u32 ir_tds_bn_dps_das_nvm =
+               le32_to_cpu(pPayload->ir_tda_bn_dps_das_nvm);
+       void *virt_addr = pm8001_ha->memoryMap.region[NVMD].virt_ptr;
+       fw_control_context = ccb->fw_control_context;
+
+       PM8001_MSG_DBG(pm8001_ha, pm8001_printk("Get nvm data complete!\n"));
+       if ((dlen_status & NVMD_STAT) != 0) {
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("Get nvm data error!\n"));
+               complete(pm8001_ha->nvmd_completion);
+               return;
+       }
+
+       if (ir_tds_bn_dps_das_nvm & IPMode) {
+               /* indirect mode - IR bit set */
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("Get NVMD success, IR=1\n"));
+               if ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == TWI_DEVICE) {
+                       if (ir_tds_bn_dps_das_nvm == 0x80a80200) {
+                               memcpy(pm8001_ha->sas_addr,
+                                     ((u8 *)virt_addr + 4),
+                                      SAS_ADDR_SIZE);
+                               PM8001_MSG_DBG(pm8001_ha,
+                                       pm8001_printk("Get SAS address"
+                                       " from VPD successfully!\n"));
+                       }
+               } else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == C_SEEPROM)
+                       || ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == VPD_FLASH) ||
+                       ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == EXPAN_ROM)) {
+                               ;
+               } else if (((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == AAP1_RDUMP)
+                       || ((ir_tds_bn_dps_das_nvm & NVMD_TYPE) == IOP_RDUMP)) {
+                       ;
+               } else {
+                       /* Should not be happened*/
+                       PM8001_MSG_DBG(pm8001_ha,
+                               pm8001_printk("(IR=1)Wrong Device type 0x%x\n",
+                               ir_tds_bn_dps_das_nvm));
+               }
+       } else /* direct mode */{
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("Get NVMD success, IR=0, dataLen=%d\n",
+                       (dlen_status & NVMD_LEN) >> 24));
+       }
+       /* Though fw_control_context is freed below, usrAddr still needs
+        * to be updated as this holds the response to the request function
+        */
+       memcpy(fw_control_context->usrAddr,
+               pm8001_ha->memoryMap.region[NVMD].virt_ptr,
+               fw_control_context->len);
+       kfree(ccb->fw_control_context);
+       ccb->task = NULL;
+       ccb->ccb_tag = 0xFFFFFFFF;
+       pm8001_tag_free(pm8001_ha, tag);
+       complete(pm8001_ha->nvmd_completion);
+}
+
+int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha, void *piomb)
+{
+       struct local_phy_ctl_resp *pPayload =
+               (struct local_phy_ctl_resp *)(piomb + 4);
+       u32 status = le32_to_cpu(pPayload->status);
+       u32 phy_id = le32_to_cpu(pPayload->phyop_phyid) & ID_BITS;
+       u32 phy_op = le32_to_cpu(pPayload->phyop_phyid) & OP_BITS;
+       if (status != 0) {
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("%x phy execute %x phy op failed!\n",
+                       phy_id, phy_op));
+       } else
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("%x phy execute %x phy op success!\n",
+                       phy_id, phy_op));
+       return 0;
+}
+
+/**
+ * pm8001_bytes_dmaed - one of the interface function communication with libsas
+ * @pm8001_ha: our hba card information
+ * @i: which phy that received the event.
+ *
+ * when HBA driver received the identify done event or initiate FIS received
+ * event(for SATA), it will invoke this function to notify the sas layer that
+ * the sas toplogy has formed, please discover the the whole sas domain,
+ * while receive a broadcast(change) primitive just tell the sas
+ * layer to discover the changed domain rather than the whole domain.
+ */
+void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i)
+{
+       struct pm8001_phy *phy = &pm8001_ha->phy[i];
+       struct asd_sas_phy *sas_phy = &phy->sas_phy;
+       struct sas_ha_struct *sas_ha;
+       if (!phy->phy_attached)
+               return;
+
+       sas_ha = pm8001_ha->sas;
+       if (sas_phy->phy) {
+               struct sas_phy *sphy = sas_phy->phy;
+               sphy->negotiated_linkrate = sas_phy->linkrate;
+               sphy->minimum_linkrate = phy->minimum_linkrate;
+               sphy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
+               sphy->maximum_linkrate = phy->maximum_linkrate;
+               sphy->maximum_linkrate_hw = phy->maximum_linkrate;
+       }
+
+       if (phy->phy_type & PORT_TYPE_SAS) {
+               struct sas_identify_frame *id;
+               id = (struct sas_identify_frame *)phy->frame_rcvd;
+               id->dev_type = phy->identify.device_type;
+               id->initiator_bits = SAS_PROTOCOL_ALL;
+               id->target_bits = phy->identify.target_port_protocols;
+       } else if (phy->phy_type & PORT_TYPE_SATA) {
+               /*Nothing*/
+       }
+       PM8001_MSG_DBG(pm8001_ha, pm8001_printk("phy %d byte dmaded.\n", i));
+
+       sas_phy->frame_rcvd_size = phy->frame_rcvd_size;
+       pm8001_ha->sas->notify_port_event(sas_phy, PORTE_BYTES_DMAED);
+}
+
+/* Get the link rate speed  */
+void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate)
+{
+       struct sas_phy *sas_phy = phy->sas_phy.phy;
+
+       switch (link_rate) {
+       case PHY_SPEED_60:
+               phy->sas_phy.linkrate = SAS_LINK_RATE_6_0_GBPS;
+               phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_6_0_GBPS;
+               break;
+       case PHY_SPEED_30:
+               phy->sas_phy.linkrate = SAS_LINK_RATE_3_0_GBPS;
+               phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_3_0_GBPS;
+               break;
+       case PHY_SPEED_15:
+               phy->sas_phy.linkrate = SAS_LINK_RATE_1_5_GBPS;
+               phy->sas_phy.phy->negotiated_linkrate = SAS_LINK_RATE_1_5_GBPS;
+               break;
+       }
+       sas_phy->negotiated_linkrate = phy->sas_phy.linkrate;
+       sas_phy->maximum_linkrate_hw = SAS_LINK_RATE_6_0_GBPS;
+       sas_phy->minimum_linkrate_hw = SAS_LINK_RATE_1_5_GBPS;
+       sas_phy->maximum_linkrate = SAS_LINK_RATE_6_0_GBPS;
+       sas_phy->minimum_linkrate = SAS_LINK_RATE_1_5_GBPS;
+}
+
+/**
+ * asd_get_attached_sas_addr -- extract/generate attached SAS address
+ * @phy: pointer to asd_phy
+ * @sas_addr: pointer to buffer where the SAS address is to be written
+ *
+ * This function extracts the SAS address from an IDENTIFY frame
+ * received.  If OOB is SATA, then a SAS address is generated from the
+ * HA tables.
+ *
+ * LOCKING: the frame_rcvd_lock needs to be held since this parses the frame
+ * buffer.
+ */
+void pm8001_get_attached_sas_addr(struct pm8001_phy *phy,
+       u8 *sas_addr)
+{
+       if (phy->sas_phy.frame_rcvd[0] == 0x34
+               && phy->sas_phy.oob_mode == SATA_OOB_MODE) {
+               struct pm8001_hba_info *pm8001_ha = phy->sas_phy.ha->lldd_ha;
+               /* FIS device-to-host */
+               u64 addr = be64_to_cpu(*(__be64 *)pm8001_ha->sas_addr);
+               addr += phy->sas_phy.id;
+               *(__be64 *)sas_addr = cpu_to_be64(addr);
+       } else {
+               struct sas_identify_frame *idframe =
+                       (void *) phy->sas_phy.frame_rcvd;
+               memcpy(sas_addr, idframe->sas_addr, SAS_ADDR_SIZE);
+       }
+}
+
+/**
+ * pm8001_hw_event_ack_req- For PM8001,some events need to acknowage to FW.
+ * @pm8001_ha: our hba card information
+ * @Qnum: the outbound queue message number.
+ * @SEA: source of event to ack
+ * @port_id: port id.
+ * @phyId: phy id.
+ * @param0: parameter 0.
+ * @param1: parameter 1.
+ */
+static void pm8001_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha,
+       u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0, u32 param1)
+{
+       struct hw_event_ack_req  payload;
+       u32 opc = OPC_INB_SAS_HW_EVENT_ACK;
+
+       struct inbound_queue_table *circularQ;
+
+       memset((u8 *)&payload, 0, sizeof(payload));
+       circularQ = &pm8001_ha->inbnd_q_tbl[Qnum];
+       payload.tag = cpu_to_le32(1);
+       payload.sea_phyid_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) |
+               ((phyId & 0x0F) << 4) | (port_id & 0x0F));
+       payload.param0 = cpu_to_le32(param0);
+       payload.param1 = cpu_to_le32(param1);
+       pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
+}
+
+static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
+       u32 phyId, u32 phy_op);
+
+/**
+ * hw_event_sas_phy_up -FW tells me a SAS phy up event.
+ * @pm8001_ha: our hba card information
+ * @piomb: IO message buffer
+ */
+static void
+hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
+{
+       struct hw_event_resp *pPayload =
+               (struct hw_event_resp *)(piomb + 4);
+       u32 lr_evt_status_phyid_portid =
+               le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
+       u8 link_rate =
+               (u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
+       u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
+       u8 phy_id =
+               (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
+       u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
+       u8 portstate = (u8)(npip_portstate & 0x0000000F);
+       struct pm8001_port *port = &pm8001_ha->port[port_id];
+       struct sas_ha_struct *sas_ha = pm8001_ha->sas;
+       struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
+       unsigned long flags;
+       u8 deviceType = pPayload->sas_identify.dev_type;
+       port->port_state =  portstate;
+       phy->phy_state = PHY_STATE_LINK_UP_SPC;
+       PM8001_MSG_DBG(pm8001_ha,
+               pm8001_printk("HW_EVENT_SAS_PHY_UP port id = %d, phy id = %d\n",
+               port_id, phy_id));
+
+       switch (deviceType) {
+       case SAS_PHY_UNUSED:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("device type no device.\n"));
+               break;
+       case SAS_END_DEVICE:
+               PM8001_MSG_DBG(pm8001_ha, pm8001_printk("end device.\n"));
+               pm8001_chip_phy_ctl_req(pm8001_ha, phy_id,
+                       PHY_NOTIFY_ENABLE_SPINUP);
+               port->port_attached = 1;
+               pm8001_get_lrate_mode(phy, link_rate);
+               break;
+       case SAS_EDGE_EXPANDER_DEVICE:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("expander device.\n"));
+               port->port_attached = 1;
+               pm8001_get_lrate_mode(phy, link_rate);
+               break;
+       case SAS_FANOUT_EXPANDER_DEVICE:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("fanout expander device.\n"));
+               port->port_attached = 1;
+               pm8001_get_lrate_mode(phy, link_rate);
+               break;
+       default:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("unknown device type(%x)\n", deviceType));
+               break;
+       }
+       phy->phy_type |= PORT_TYPE_SAS;
+       phy->identify.device_type = deviceType;
+       phy->phy_attached = 1;
+       if (phy->identify.device_type == SAS_END_DEVICE)
+               phy->identify.target_port_protocols = SAS_PROTOCOL_SSP;
+       else if (phy->identify.device_type != SAS_PHY_UNUSED)
+               phy->identify.target_port_protocols = SAS_PROTOCOL_SMP;
+       phy->sas_phy.oob_mode = SAS_OOB_MODE;
+       sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
+       spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
+       memcpy(phy->frame_rcvd, &pPayload->sas_identify,
+               sizeof(struct sas_identify_frame)-4);
+       phy->frame_rcvd_size = sizeof(struct sas_identify_frame) - 4;
+       pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
+       spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
+       if (pm8001_ha->flags == PM8001F_RUN_TIME)
+               mdelay(200);/*delay a moment to wait disk to spinup*/
+       pm8001_bytes_dmaed(pm8001_ha, phy_id);
+}
+
+/**
+ * hw_event_sata_phy_up -FW tells me a SATA phy up event.
+ * @pm8001_ha: our hba card information
+ * @piomb: IO message buffer
+ */
+static void
+hw_event_sata_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb)
+{
+       struct hw_event_resp *pPayload =
+               (struct hw_event_resp *)(piomb + 4);
+       u32 lr_evt_status_phyid_portid =
+               le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
+       u8 link_rate =
+               (u8)((lr_evt_status_phyid_portid & 0xF0000000) >> 28);
+       u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
+       u8 phy_id =
+               (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
+       u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
+       u8 portstate = (u8)(npip_portstate & 0x0000000F);
+       struct pm8001_port *port = &pm8001_ha->port[port_id];
+       struct sas_ha_struct *sas_ha = pm8001_ha->sas;
+       struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
+       unsigned long flags;
+       PM8001_MSG_DBG(pm8001_ha,
+               pm8001_printk("HW_EVENT_SATA_PHY_UP port id = %d,"
+               " phy id = %d\n", port_id, phy_id));
+       port->port_state =  portstate;
+       phy->phy_state = PHY_STATE_LINK_UP_SPC;
+       port->port_attached = 1;
+       pm8001_get_lrate_mode(phy, link_rate);
+       phy->phy_type |= PORT_TYPE_SATA;
+       phy->phy_attached = 1;
+       phy->sas_phy.oob_mode = SATA_OOB_MODE;
+       sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE);
+       spin_lock_irqsave(&phy->sas_phy.frame_rcvd_lock, flags);
+       memcpy(phy->frame_rcvd, ((u8 *)&pPayload->sata_fis - 4),
+               sizeof(struct dev_to_host_fis));
+       phy->frame_rcvd_size = sizeof(struct dev_to_host_fis);
+       phy->identify.target_port_protocols = SAS_PROTOCOL_SATA;
+       phy->identify.device_type = SAS_SATA_DEV;
+       pm8001_get_attached_sas_addr(phy, phy->sas_phy.attached_sas_addr);
+       spin_unlock_irqrestore(&phy->sas_phy.frame_rcvd_lock, flags);
+       pm8001_bytes_dmaed(pm8001_ha, phy_id);
+}
+
+/**
+ * hw_event_phy_down -we should notify the libsas the phy is down.
+ * @pm8001_ha: our hba card information
+ * @piomb: IO message buffer
+ */
+static void
+hw_event_phy_down(struct pm8001_hba_info *pm8001_ha, void *piomb)
+{
+       struct hw_event_resp *pPayload =
+               (struct hw_event_resp *)(piomb + 4);
+       u32 lr_evt_status_phyid_portid =
+               le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
+       u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
+       u8 phy_id =
+               (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
+       u32 npip_portstate = le32_to_cpu(pPayload->npip_portstate);
+       u8 portstate = (u8)(npip_portstate & 0x0000000F);
+       struct pm8001_port *port = &pm8001_ha->port[port_id];
+       struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
+       port->port_state =  portstate;
+       phy->phy_type = 0;
+       phy->identify.device_type = 0;
+       phy->phy_attached = 0;
+       memset(&phy->dev_sas_addr, 0, SAS_ADDR_SIZE);
+       switch (portstate) {
+       case PORT_VALID:
+               break;
+       case PORT_INVALID:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk(" PortInvalid portID %d\n", port_id));
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk(" Last phy Down and port invalid\n"));
+               port->port_attached = 0;
+               pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
+                       port_id, phy_id, 0, 0);
+               break;
+       case PORT_IN_RESET:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk(" Port In Reset portID %d\n", port_id));
+               break;
+       case PORT_NOT_ESTABLISHED:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk(" phy Down and PORT_NOT_ESTABLISHED\n"));
+               port->port_attached = 0;
+               break;
+       case PORT_LOSTCOMM:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk(" phy Down and PORT_LOSTCOMM\n"));
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk(" Last phy Down and port invalid\n"));
+               port->port_attached = 0;
+               pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_PHY_DOWN,
+                       port_id, phy_id, 0, 0);
+               break;
+       default:
+               port->port_attached = 0;
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk(" phy Down and(default) = %x\n",
+                       portstate));
+               break;
+
+       }
+}
+
+/**
+ * pm8001_mpi_reg_resp -process register device ID response.
+ * @pm8001_ha: our hba card information
+ * @piomb: IO message buffer
+ *
+ * when sas layer find a device it will notify LLDD, then the driver register
+ * the domain device to FW, this event is the return device ID which the FW
+ * has assigned, from now,inter-communication with FW is no longer using the
+ * SAS address, use device ID which FW assigned.
+ */
+int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
+{
+       u32 status;
+       u32 device_id;
+       u32 htag;
+       struct pm8001_ccb_info *ccb;
+       struct pm8001_device *pm8001_dev;
+       struct dev_reg_resp *registerRespPayload =
+               (struct dev_reg_resp *)(piomb + 4);
+
+       htag = le32_to_cpu(registerRespPayload->tag);
+       ccb = &pm8001_ha->ccb_info[htag];
+       pm8001_dev = ccb->device;
+       status = le32_to_cpu(registerRespPayload->status);
+       device_id = le32_to_cpu(registerRespPayload->device_id);
+       PM8001_MSG_DBG(pm8001_ha,
+               pm8001_printk(" register device is status = %d\n", status));
+       switch (status) {
+       case DEVREG_SUCCESS:
+               PM8001_MSG_DBG(pm8001_ha, pm8001_printk("DEVREG_SUCCESS\n"));
+               pm8001_dev->device_id = device_id;
+               break;
+       case DEVREG_FAILURE_OUT_OF_RESOURCE:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("DEVREG_FAILURE_OUT_OF_RESOURCE\n"));
+               break;
+       case DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED:
+               PM8001_MSG_DBG(pm8001_ha,
+                  pm8001_printk("DEVREG_FAILURE_DEVICE_ALREADY_REGISTERED\n"));
+               break;
+       case DEVREG_FAILURE_INVALID_PHY_ID:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("DEVREG_FAILURE_INVALID_PHY_ID\n"));
+               break;
+       case DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED:
+               PM8001_MSG_DBG(pm8001_ha,
+                  pm8001_printk("DEVREG_FAILURE_PHY_ID_ALREADY_REGISTERED\n"));
+               break;
+       case DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("DEVREG_FAILURE_PORT_ID_OUT_OF_RANGE\n"));
+               break;
+       case DEVREG_FAILURE_PORT_NOT_VALID_STATE:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("DEVREG_FAILURE_PORT_NOT_VALID_STATE\n"));
+               break;
+       case DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID:
+               PM8001_MSG_DBG(pm8001_ha,
+                      pm8001_printk("DEVREG_FAILURE_DEVICE_TYPE_NOT_VALID\n"));
+               break;
+       default:
+               PM8001_MSG_DBG(pm8001_ha,
+                pm8001_printk("DEVREG_FAILURE_DEVICE_TYPE_NOT_UNSORPORTED\n"));
+               break;
+       }
+       complete(pm8001_dev->dcompletion);
+       ccb->task = NULL;
+       ccb->ccb_tag = 0xFFFFFFFF;
+       pm8001_tag_free(pm8001_ha, htag);
+       return 0;
+}
+
+int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
+{
+       u32 status;
+       u32 device_id;
+       struct dev_reg_resp *registerRespPayload =
+               (struct dev_reg_resp *)(piomb + 4);
+
+       status = le32_to_cpu(registerRespPayload->status);
+       device_id = le32_to_cpu(registerRespPayload->device_id);
+       if (status != 0)
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk(" deregister device failed ,status = %x"
+                       ", device_id = %x\n", status, device_id));
+       return 0;
+}
+
+/**
+ * fw_flash_update_resp - Response from FW for flash update command.
+ * @pm8001_ha: our hba card information
+ * @piomb: IO message buffer
+ */
+int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
+               void *piomb)
+{
+       u32 status;
+       struct fw_flash_Update_resp *ppayload =
+               (struct fw_flash_Update_resp *)(piomb + 4);
+       u32 tag = le32_to_cpu(ppayload->tag);
+       struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag];
+       status = le32_to_cpu(ppayload->status);
+       switch (status) {
+       case FLASH_UPDATE_COMPLETE_PENDING_REBOOT:
+               PM8001_MSG_DBG(pm8001_ha,
+               pm8001_printk(": FLASH_UPDATE_COMPLETE_PENDING_REBOOT\n"));
+               break;
+       case FLASH_UPDATE_IN_PROGRESS:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk(": FLASH_UPDATE_IN_PROGRESS\n"));
+               break;
+       case FLASH_UPDATE_HDR_ERR:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk(": FLASH_UPDATE_HDR_ERR\n"));
+               break;
+       case FLASH_UPDATE_OFFSET_ERR:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk(": FLASH_UPDATE_OFFSET_ERR\n"));
+               break;
+       case FLASH_UPDATE_CRC_ERR:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk(": FLASH_UPDATE_CRC_ERR\n"));
+               break;
+       case FLASH_UPDATE_LENGTH_ERR:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk(": FLASH_UPDATE_LENGTH_ERR\n"));
+               break;
+       case FLASH_UPDATE_HW_ERR:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk(": FLASH_UPDATE_HW_ERR\n"));
+               break;
+       case FLASH_UPDATE_DNLD_NOT_SUPPORTED:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk(": FLASH_UPDATE_DNLD_NOT_SUPPORTED\n"));
+               break;
+       case FLASH_UPDATE_DISABLED:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk(": FLASH_UPDATE_DISABLED\n"));
+               break;
+       default:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("No matched status = %d\n", status));
+               break;
+       }
+       kfree(ccb->fw_control_context);
+       ccb->task = NULL;
+       ccb->ccb_tag = 0xFFFFFFFF;
+       pm8001_tag_free(pm8001_ha, tag);
+       complete(pm8001_ha->nvmd_completion);
+       return 0;
+}
+
+int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb)
+{
+       u32 status;
+       int i;
+       struct general_event_resp *pPayload =
+               (struct general_event_resp *)(piomb + 4);
+       status = le32_to_cpu(pPayload->status);
+       PM8001_MSG_DBG(pm8001_ha,
+               pm8001_printk(" status = 0x%x\n", status));
+       for (i = 0; i < GENERAL_EVENT_PAYLOAD; i++)
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("inb_IOMB_payload[0x%x] 0x%x,\n", i,
+                       pPayload->inb_IOMB_payload[i]));
+       return 0;
+}
+
+int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb)
+{
+       struct sas_task *t;
+       struct pm8001_ccb_info *ccb;
+       unsigned long flags;
+       u32 status ;
+       u32 tag, scp;
+       struct task_status_struct *ts;
+       struct pm8001_device *pm8001_dev;
+
+       struct task_abort_resp *pPayload =
+               (struct task_abort_resp *)(piomb + 4);
+
+       status = le32_to_cpu(pPayload->status);
+       tag = le32_to_cpu(pPayload->tag);
+       if (!tag) {
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk(" TAG NULL. RETURNING !!!"));
+               return -1;
+       }
+
+       scp = le32_to_cpu(pPayload->scp);
+       ccb = &pm8001_ha->ccb_info[tag];
+       t = ccb->task;
+       pm8001_dev = ccb->device; /* retrieve device */
+
+       if (!t) {
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk(" TASK NULL. RETURNING !!!"));
+               return -1;
+       }
+       ts = &t->task_status;
+       if (status != 0)
+               PM8001_FAIL_DBG(pm8001_ha,
+                       pm8001_printk("task abort failed status 0x%x ,"
+                       "tag = 0x%x, scp= 0x%x\n", status, tag, scp));
+       switch (status) {
+       case IO_SUCCESS:
+               PM8001_EH_DBG(pm8001_ha, pm8001_printk("IO_SUCCESS\n"));
+               ts->resp = SAS_TASK_COMPLETE;
+               ts->stat = SAM_STAT_GOOD;
+               break;
+       case IO_NOT_VALID:
+               PM8001_EH_DBG(pm8001_ha, pm8001_printk("IO_NOT_VALID\n"));
+               ts->resp = TMF_RESP_FUNC_FAILED;
+               break;
+       }
+       spin_lock_irqsave(&t->task_state_lock, flags);
+       t->task_state_flags &= ~SAS_TASK_STATE_PENDING;
+       t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
+       t->task_state_flags |= SAS_TASK_STATE_DONE;
+       spin_unlock_irqrestore(&t->task_state_lock, flags);
+       pm8001_ccb_task_free(pm8001_ha, t, ccb, tag);
+       mb();
+
+       if (pm8001_dev->id & NCQ_ABORT_ALL_FLAG) {
+               pm8001_tag_free(pm8001_ha, tag);
+               sas_free_task(t);
+               /* clear the flag */
+               pm8001_dev->id &= 0xBFFFFFFF;
+       } else
+               t->task_done(t);
+
+       return 0;
+}
+
+/**
+ * mpi_hw_event -The hw event has come.
+ * @pm8001_ha: our hba card information
+ * @piomb: IO message buffer
+ */
+static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb)
+{
+       unsigned long flags;
+       struct hw_event_resp *pPayload =
+               (struct hw_event_resp *)(piomb + 4);
+       u32 lr_evt_status_phyid_portid =
+               le32_to_cpu(pPayload->lr_evt_status_phyid_portid);
+       u8 port_id = (u8)(lr_evt_status_phyid_portid & 0x0000000F);
+       u8 phy_id =
+               (u8)((lr_evt_status_phyid_portid & 0x000000F0) >> 4);
+       u16 eventType =
+               (u16)((lr_evt_status_phyid_portid & 0x00FFFF00) >> 8);
+       u8 status =
+               (u8)((lr_evt_status_phyid_portid & 0x0F000000) >> 24);
+       struct sas_ha_struct *sas_ha = pm8001_ha->sas;
+       struct pm8001_phy *phy = &pm8001_ha->phy[phy_id];
+       struct asd_sas_phy *sas_phy = sas_ha->sas_phy[phy_id];
+       PM8001_MSG_DBG(pm8001_ha,
+               pm8001_printk("outbound queue HW event & event type : "));
+       switch (eventType) {
+       case HW_EVENT_PHY_START_STATUS:
+               PM8001_MSG_DBG(pm8001_ha,
+               pm8001_printk("HW_EVENT_PHY_START_STATUS"
+                       " status = %x\n", status));
+               if (status == 0) {
+                       phy->phy_state = 1;
+                       if (pm8001_ha->flags == PM8001F_RUN_TIME)
+                               complete(phy->enable_completion);
+               }
+               break;
+       case HW_EVENT_SAS_PHY_UP:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_PHY_START_STATUS\n"));
+               hw_event_sas_phy_up(pm8001_ha, piomb);
+               break;
+       case HW_EVENT_SATA_PHY_UP:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_SATA_PHY_UP\n"));
+               hw_event_sata_phy_up(pm8001_ha, piomb);
+               break;
+       case HW_EVENT_PHY_STOP_STATUS:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_PHY_STOP_STATUS "
+                       "status = %x\n", status));
+               if (status == 0)
+                       phy->phy_state = 0;
+               break;
+       case HW_EVENT_SATA_SPINUP_HOLD:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_SATA_SPINUP_HOLD\n"));
+               sas_ha->notify_phy_event(&phy->sas_phy, PHYE_SPINUP_HOLD);
+               break;
+       case HW_EVENT_PHY_DOWN:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_PHY_DOWN\n"));
+               sas_ha->notify_phy_event(&phy->sas_phy, PHYE_LOSS_OF_SIGNAL);
+               phy->phy_attached = 0;
+               phy->phy_state = 0;
+               hw_event_phy_down(pm8001_ha, piomb);
+               break;
+       case HW_EVENT_PORT_INVALID:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_PORT_INVALID\n"));
+               sas_phy_disconnected(sas_phy);
+               phy->phy_attached = 0;
+               sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
+               break;
+       /* the broadcast change primitive received, tell the LIBSAS this event
+       to revalidate the sas domain*/
+       case HW_EVENT_BROADCAST_CHANGE:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_BROADCAST_CHANGE\n"));
+               pm8001_hw_event_ack_req(pm8001_ha, 0, HW_EVENT_BROADCAST_CHANGE,
+                       port_id, phy_id, 1, 0);
+               spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
+               sas_phy->sas_prim = HW_EVENT_BROADCAST_CHANGE;
+               spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
+               sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
+               break;
+       case HW_EVENT_PHY_ERROR:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_PHY_ERROR\n"));
+               sas_phy_disconnected(&phy->sas_phy);
+               phy->phy_attached = 0;
+               sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_ERROR);
+               break;
+       case HW_EVENT_BROADCAST_EXP:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_BROADCAST_EXP\n"));
+               spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
+               sas_phy->sas_prim = HW_EVENT_BROADCAST_EXP;
+               spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
+               sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
+               break;
+       case HW_EVENT_LINK_ERR_INVALID_DWORD:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_LINK_ERR_INVALID_DWORD\n"));
+               pm8001_hw_event_ack_req(pm8001_ha, 0,
+                       HW_EVENT_LINK_ERR_INVALID_DWORD, port_id, phy_id, 0, 0);
+               sas_phy_disconnected(sas_phy);
+               phy->phy_attached = 0;
+               sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
+               break;
+       case HW_EVENT_LINK_ERR_DISPARITY_ERROR:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_LINK_ERR_DISPARITY_ERROR\n"));
+               pm8001_hw_event_ack_req(pm8001_ha, 0,
+                       HW_EVENT_LINK_ERR_DISPARITY_ERROR,
+                       port_id, phy_id, 0, 0);
+               sas_phy_disconnected(sas_phy);
+               phy->phy_attached = 0;
+               sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
+               break;
+       case HW_EVENT_LINK_ERR_CODE_VIOLATION:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_LINK_ERR_CODE_VIOLATION\n"));
+               pm8001_hw_event_ack_req(pm8001_ha, 0,
+                       HW_EVENT_LINK_ERR_CODE_VIOLATION,
+                       port_id, phy_id, 0, 0);
+               sas_phy_disconnected(sas_phy);
+               phy->phy_attached = 0;
+               sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
+               break;
+       case HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH:
+               PM8001_MSG_DBG(pm8001_ha,
+                     pm8001_printk("HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH\n"));
+               pm8001_hw_event_ack_req(pm8001_ha, 0,
+                       HW_EVENT_LINK_ERR_LOSS_OF_DWORD_SYNCH,
+                       port_id, phy_id, 0, 0);
+               sas_phy_disconnected(sas_phy);
+               phy->phy_attached = 0;
+               sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
+               break;
+       case HW_EVENT_MALFUNCTION:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_MALFUNCTION\n"));
+               break;
+       case HW_EVENT_BROADCAST_SES:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_BROADCAST_SES\n"));
+               spin_lock_irqsave(&sas_phy->sas_prim_lock, flags);
+               sas_phy->sas_prim = HW_EVENT_BROADCAST_SES;
+               spin_unlock_irqrestore(&sas_phy->sas_prim_lock, flags);
+               sas_ha->notify_port_event(sas_phy, PORTE_BROADCAST_RCVD);
+               break;
+       case HW_EVENT_INBOUND_CRC_ERROR:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_INBOUND_CRC_ERROR\n"));
+               pm8001_hw_event_ack_req(pm8001_ha, 0,
+                       HW_EVENT_INBOUND_CRC_ERROR,
+                       port_id, phy_id, 0, 0);
+               break;
+       case HW_EVENT_HARD_RESET_RECEIVED:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_HARD_RESET_RECEIVED\n"));
+               sas_ha->notify_port_event(sas_phy, PORTE_HARD_RESET);
+               break;
+       case HW_EVENT_ID_FRAME_TIMEOUT:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_ID_FRAME_TIMEOUT\n"));
+               sas_phy_disconnected(sas_phy);
+               phy->phy_attached = 0;
+               sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
+               break;
+       case HW_EVENT_LINK_ERR_PHY_RESET_FAILED:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_LINK_ERR_PHY_RESET_FAILED\n"));
+               pm8001_hw_event_ack_req(pm8001_ha, 0,
+                       HW_EVENT_LINK_ERR_PHY_RESET_FAILED,
+                       port_id, phy_id, 0, 0);
+               sas_phy_disconnected(sas_phy);
+               phy->phy_attached = 0;
+               sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
+               break;
+       case HW_EVENT_PORT_RESET_TIMER_TMO:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_PORT_RESET_TIMER_TMO\n"));
+               sas_phy_disconnected(sas_phy);
+               phy->phy_attached = 0;
+               sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
+               break;
+       case HW_EVENT_PORT_RECOVERY_TIMER_TMO:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_PORT_RECOVERY_TIMER_TMO\n"));
+               sas_phy_disconnected(sas_phy);
+               phy->phy_attached = 0;
+               sas_ha->notify_port_event(sas_phy, PORTE_LINK_RESET_ERR);
+               break;
+       case HW_EVENT_PORT_RECOVER:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_PORT_RECOVER\n"));
+               break;
+       case HW_EVENT_PORT_RESET_COMPLETE:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("HW_EVENT_PORT_RESET_COMPLETE\n"));
+               break;
+       case EVENT_BROADCAST_ASYNCH_EVENT:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("EVENT_BROADCAST_ASYNCH_EVENT\n"));
+               break;
+       default:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("Unknown event type = %x\n", eventType));
+               break;
+       }
+       return 0;
+}
+
+/**
+ * process_one_iomb - process one outbound Queue memory block
+ * @pm8001_ha: our hba card information
+ * @piomb: IO message buffer
+ */
+static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb)
+{
+       __le32 pHeader = *(__le32 *)piomb;
+       u8 opc = (u8)((le32_to_cpu(pHeader)) & 0xFFF);
+
+       PM8001_MSG_DBG(pm8001_ha, pm8001_printk("process_one_iomb:"));
+
+       switch (opc) {
+       case OPC_OUB_ECHO:
+               PM8001_MSG_DBG(pm8001_ha, pm8001_printk("OPC_OUB_ECHO\n"));
+               break;
+       case OPC_OUB_HW_EVENT:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_HW_EVENT\n"));
+               mpi_hw_event(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_SSP_COMP:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_SSP_COMP\n"));
+               mpi_ssp_completion(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_SMP_COMP:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_SMP_COMP\n"));
+               mpi_smp_completion(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_LOCAL_PHY_CNTRL:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_LOCAL_PHY_CNTRL\n"));
+               pm8001_mpi_local_phy_ctl(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_DEV_REGIST:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_DEV_REGIST\n"));
+               pm8001_mpi_reg_resp(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_DEREG_DEV:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("unregister the device\n"));
+               pm8001_mpi_dereg_resp(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_GET_DEV_HANDLE:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_GET_DEV_HANDLE\n"));
+               break;
+       case OPC_OUB_SATA_COMP:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_SATA_COMP\n"));
+               mpi_sata_completion(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_SATA_EVENT:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_SATA_EVENT\n"));
+               mpi_sata_event(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_SSP_EVENT:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_SSP_EVENT\n"));
+               mpi_ssp_event(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_DEV_HANDLE_ARRIV:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_DEV_HANDLE_ARRIV\n"));
+               /*This is for target*/
+               break;
+       case OPC_OUB_SSP_RECV_EVENT:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_SSP_RECV_EVENT\n"));
+               /*This is for target*/
+               break;
+       case OPC_OUB_DEV_INFO:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_DEV_INFO\n"));
+               break;
+       case OPC_OUB_FW_FLASH_UPDATE:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_FW_FLASH_UPDATE\n"));
+               pm8001_mpi_fw_flash_update_resp(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_GPIO_RESPONSE:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_GPIO_RESPONSE\n"));
+               break;
+       case OPC_OUB_GPIO_EVENT:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_GPIO_EVENT\n"));
+               break;
+       case OPC_OUB_GENERAL_EVENT:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_GENERAL_EVENT\n"));
+               pm8001_mpi_general_event(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_SSP_ABORT_RSP:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_SSP_ABORT_RSP\n"));
+               pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_SATA_ABORT_RSP:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_SATA_ABORT_RSP\n"));
+               pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_SAS_DIAG_MODE_START_END:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_SAS_DIAG_MODE_START_END\n"));
+               break;
+       case OPC_OUB_SAS_DIAG_EXECUTE:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_SAS_DIAG_EXECUTE\n"));
+               break;
+       case OPC_OUB_GET_TIME_STAMP:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_GET_TIME_STAMP\n"));
+               break;
+       case OPC_OUB_SAS_HW_EVENT_ACK:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_SAS_HW_EVENT_ACK\n"));
+               break;
+       case OPC_OUB_PORT_CONTROL:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_PORT_CONTROL\n"));
+               break;
+       case OPC_OUB_SMP_ABORT_RSP:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_SMP_ABORT_RSP\n"));
+               pm8001_mpi_task_abort_resp(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_GET_NVMD_DATA:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_GET_NVMD_DATA\n"));
+               pm8001_mpi_get_nvmd_resp(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_SET_NVMD_DATA:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_SET_NVMD_DATA\n"));
+               pm8001_mpi_set_nvmd_resp(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_DEVICE_HANDLE_REMOVAL:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_DEVICE_HANDLE_REMOVAL\n"));
+               break;
+       case OPC_OUB_SET_DEVICE_STATE:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_SET_DEVICE_STATE\n"));
+               pm8001_mpi_set_dev_state_resp(pm8001_ha, piomb);
+               break;
+       case OPC_OUB_GET_DEVICE_STATE:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_GET_DEVICE_STATE\n"));
+               break;
+       case OPC_OUB_SET_DEV_INFO:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_SET_DEV_INFO\n"));
+               break;
+       case OPC_OUB_SAS_RE_INITIALIZE:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("OPC_OUB_SAS_RE_INITIALIZE\n"));
+               break;
+       default:
+               PM8001_MSG_DBG(pm8001_ha,
+                       pm8001_printk("Unknown outbound Queue IOMB OPC = %x\n",
+                       opc));
+               break;
+       }
+}
+
+static int process_oq(struct pm8001_hba_info *pm8001_ha, u8 vec)
+{
+       struct outbound_queue_table *circularQ;
+       void *pMsg1 = NULL;
+       u8 uninitialized_var(bc);
+       u32 ret = MPI_IO_STATUS_FAIL;
+       unsigned long flags;
+
+       spin_lock_irqsave(&pm8001_ha->lock, flags);
+       circularQ = &pm8001_ha->outbnd_q_tbl[vec];
+       do {
+               ret = pm8001_mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc);
+               if (MPI_IO_STATUS_SUCCESS == ret) {
+                       /* process the outbound message */
+                       process_one_iomb(pm8001_ha, (void *)(pMsg1 - 4));
+                       /* free the message from the outbound circular buffer */
+                       pm8001_mpi_msg_free_set(pm8001_ha, pMsg1,
+                                                       circularQ, bc);
+               }
+               if (MPI_IO_STATUS_BUSY == ret) {
+                       /* Update the producer index from SPC */
+                       circularQ->producer_index =
+                               cpu_to_le32(pm8001_read_32(circularQ->pi_virt));
+                       if (le32_to_cpu(circularQ->producer_index) ==
+                               circularQ->consumer_idx)
+                               /* OQ is empty */
+                               break;
+               }
+       } while (1);
+       spin_unlock_irqrestore(&pm8001_ha->lock, flags);
+       return ret;
+}
+
+/* PCI_DMA_... to our direction translation. */
+static const u8 data_dir_flags[] = {
+       [PCI_DMA_BIDIRECTIONAL] = DATA_DIR_BYRECIPIENT,/* UNSPECIFIED */
+       [PCI_DMA_TODEVICE]      = DATA_DIR_OUT,/* OUTBOUND */
+       [PCI_DMA_FROMDEVICE]    = DATA_DIR_IN,/* INBOUND */
+       [PCI_DMA_NONE]          = DATA_DIR_NONE,/* NO TRANSFER */
+};
+void
+pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd)
+{
+       int i;
+       struct scatterlist *sg;
+       struct pm8001_prd *buf_prd = prd;
+
+       for_each_sg(scatter, sg, nr, i) {
+               buf_prd->addr = cpu_to_le64(sg_dma_address(sg));
+               buf_prd->im_len.len = cpu_to_le32(sg_dma_len(sg));
+               buf_prd->im_len.e = 0;
+               buf_prd++;
+       }
+}
+
+static void build_smp_cmd(u32 deviceID, __le32 hTag, struct smp_req *psmp_cmd)
+{
+       psmp_cmd->tag = hTag;
+       psmp_cmd->device_id = cpu_to_le32(deviceID);
+       psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1));
+}
+
+/**
+ * pm8001_chip_smp_req - send a SMP task to FW
+ * @pm8001_ha: our hba card information.
+ * @ccb: the ccb information this request used.
+ */
+static int pm8001_chip_smp_req(struct pm8001_hba_info *pm8001_ha,
+       struct pm8001_ccb_info *ccb)
+{
+       int elem, rc;
+       struct sas_task *task = ccb->task;
+       struct domain_device *dev = task->dev;
+       struct pm8001_device *pm8001_dev = dev->lldd_dev;
+       struct scatterlist *sg_req, *sg_resp;
+       u32 req_len, resp_len;
+       struct smp_req smp_cmd;
+       u32 opc;
+       struct inbound_queue_table *circularQ;
+
+       memset(&smp_cmd, 0, sizeof(smp_cmd));
+       /*
+        * DMA-map SMP request, response buffers
+        */
+       sg_req = &task->smp_task.smp_req;
+       elem = dma_map_sg(pm8001_ha->dev, sg_req, 1, PCI_DMA_TODEVICE);
+       if (!elem)
+               return -ENOMEM;
+       req_len = sg_dma_len(sg_req);
+
+       sg_resp = &task->smp_task.smp_resp;
+       elem = dma_map_sg(pm8001_ha->dev, sg_resp, 1, PCI_DMA_FROMDEVICE);
+       if (!elem) {
+               rc = -ENOMEM;
+               goto err_out;
+       }
+       resp_len = sg_dma_len(sg_resp);
+       /* must be in dwords */
+       if ((req_len & 0x3) || (resp_len & 0x3)) {
+               rc = -EINVAL;
+               goto err_out_2;
+       }
+
+       opc = OPC_INB_SMP_REQUEST;
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+       smp_cmd.tag = cpu_to_le32(ccb->ccb_tag);
+       smp_cmd.long_smp_req.long_req_addr =
+               cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_req));
+       smp_cmd.long_smp_req.long_req_size =
+               cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_req)-4);
+       smp_cmd.long_smp_req.long_resp_addr =
+               cpu_to_le64((u64)sg_dma_address(&task->smp_task.smp_resp));
+       smp_cmd.long_smp_req.long_resp_size =
+               cpu_to_le32((u32)sg_dma_len(&task->smp_task.smp_resp)-4);
+       build_smp_cmd(pm8001_dev->device_id, smp_cmd.tag, &smp_cmd);
+       rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc,
+                                       (u32 *)&smp_cmd, 0);
+       if (rc)
+               goto err_out_2;
+
+       return 0;
+
+err_out_2:
+       dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_resp, 1,
+                       PCI_DMA_FROMDEVICE);
+err_out:
+       dma_unmap_sg(pm8001_ha->dev, &ccb->task->smp_task.smp_req, 1,
+                       PCI_DMA_TODEVICE);
+       return rc;
+}
+
+/**
+ * pm8001_chip_ssp_io_req - send a SSP task to FW
+ * @pm8001_ha: our hba card information.
+ * @ccb: the ccb information this request used.
+ */
+static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha,
+       struct pm8001_ccb_info *ccb)
+{
+       struct sas_task *task = ccb->task;
+       struct domain_device *dev = task->dev;
+       struct pm8001_device *pm8001_dev = dev->lldd_dev;
+       struct ssp_ini_io_start_req ssp_cmd;
+       u32 tag = ccb->ccb_tag;
+       int ret;
+       u64 phys_addr;
+       struct inbound_queue_table *circularQ;
+       u32 opc = OPC_INB_SSPINIIOSTART;
+       memset(&ssp_cmd, 0, sizeof(ssp_cmd));
+       memcpy(ssp_cmd.ssp_iu.lun, task->ssp_task.LUN, 8);
+       ssp_cmd.dir_m_tlr =
+               cpu_to_le32(data_dir_flags[task->data_dir] << 8 | 0x0);/*0 for
+       SAS 1.1 compatible TLR*/
+       ssp_cmd.data_len = cpu_to_le32(task->total_xfer_len);
+       ssp_cmd.device_id = cpu_to_le32(pm8001_dev->device_id);
+       ssp_cmd.tag = cpu_to_le32(tag);
+       if (task->ssp_task.enable_first_burst)
+               ssp_cmd.ssp_iu.efb_prio_attr |= 0x80;
+       ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_prio << 3);
+       ssp_cmd.ssp_iu.efb_prio_attr |= (task->ssp_task.task_attr & 7);
+       memcpy(ssp_cmd.ssp_iu.cdb, task->ssp_task.cmd->cmnd,
+              task->ssp_task.cmd->cmd_len);
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+
+       /* fill in PRD (scatter/gather) table, if any */
+       if (task->num_scatter > 1) {
+               pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
+               phys_addr = ccb->ccb_dma_handle +
+                               offsetof(struct pm8001_ccb_info, buf_prd[0]);
+               ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(phys_addr));
+               ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(phys_addr));
+               ssp_cmd.esgl = cpu_to_le32(1<<31);
+       } else if (task->num_scatter == 1) {
+               u64 dma_addr = sg_dma_address(task->scatter);
+               ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr));
+               ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(dma_addr));
+               ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
+               ssp_cmd.esgl = 0;
+       } else if (task->num_scatter == 0) {
+               ssp_cmd.addr_low = 0;
+               ssp_cmd.addr_high = 0;
+               ssp_cmd.len = cpu_to_le32(task->total_xfer_len);
+               ssp_cmd.esgl = 0;
+       }
+       ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &ssp_cmd, 0);
+       return ret;
+}
+
+static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha,
+       struct pm8001_ccb_info *ccb)
+{
+       struct sas_task *task = ccb->task;
+       struct domain_device *dev = task->dev;
+       struct pm8001_device *pm8001_ha_dev = dev->lldd_dev;
+       u32 tag = ccb->ccb_tag;
+       int ret;
+       struct sata_start_req sata_cmd;
+       u32 hdr_tag, ncg_tag = 0;
+       u64 phys_addr;
+       u32 ATAP = 0x0;
+       u32 dir;
+       struct inbound_queue_table *circularQ;
+       unsigned long flags;
+       u32  opc = OPC_INB_SATA_HOST_OPSTART;
+       memset(&sata_cmd, 0, sizeof(sata_cmd));
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+       if (task->data_dir == PCI_DMA_NONE) {
+               ATAP = 0x04;  /* no data*/
+               PM8001_IO_DBG(pm8001_ha, pm8001_printk("no data\n"));
+       } else if (likely(!task->ata_task.device_control_reg_update)) {
+               if (task->ata_task.dma_xfer) {
+                       ATAP = 0x06; /* DMA */
+                       PM8001_IO_DBG(pm8001_ha, pm8001_printk("DMA\n"));
+               } else {
+                       ATAP = 0x05; /* PIO*/
+                       PM8001_IO_DBG(pm8001_ha, pm8001_printk("PIO\n"));
+               }
+               if (task->ata_task.use_ncq &&
+                       dev->sata_dev.class != ATA_DEV_ATAPI) {
+                       ATAP = 0x07; /* FPDMA */
+                       PM8001_IO_DBG(pm8001_ha, pm8001_printk("FPDMA\n"));
+               }
+       }
+       if (task->ata_task.use_ncq && pm8001_get_ncq_tag(task, &hdr_tag)) {
+               task->ata_task.fis.sector_count |= (u8) (hdr_tag << 3);
+               ncg_tag = hdr_tag;
+       }
+       dir = data_dir_flags[task->data_dir] << 8;
+       sata_cmd.tag = cpu_to_le32(tag);
+       sata_cmd.device_id = cpu_to_le32(pm8001_ha_dev->device_id);
+       sata_cmd.data_len = cpu_to_le32(task->total_xfer_len);
+       sata_cmd.ncqtag_atap_dir_m =
+               cpu_to_le32(((ncg_tag & 0xff)<<16)|((ATAP & 0x3f) << 10) | dir);
+       sata_cmd.sata_fis = task->ata_task.fis;
+       if (likely(!task->ata_task.device_control_reg_update))
+               sata_cmd.sata_fis.flags |= 0x80;/* C=1: update ATA cmd reg */
+       sata_cmd.sata_fis.flags &= 0xF0;/* PM_PORT field shall be 0 */
+       /* fill in PRD (scatter/gather) table, if any */
+       if (task->num_scatter > 1) {
+               pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd);
+               phys_addr = ccb->ccb_dma_handle +
+                               offsetof(struct pm8001_ccb_info, buf_prd[0]);
+               sata_cmd.addr_low = lower_32_bits(phys_addr);
+               sata_cmd.addr_high = upper_32_bits(phys_addr);
+               sata_cmd.esgl = cpu_to_le32(1 << 31);
+       } else if (task->num_scatter == 1) {
+               u64 dma_addr = sg_dma_address(task->scatter);
+               sata_cmd.addr_low = lower_32_bits(dma_addr);
+               sata_cmd.addr_high = upper_32_bits(dma_addr);
+               sata_cmd.len = cpu_to_le32(task->total_xfer_len);
+               sata_cmd.esgl = 0;
+       } else if (task->num_scatter == 0) {
+               sata_cmd.addr_low = 0;
+               sata_cmd.addr_high = 0;
+               sata_cmd.len = cpu_to_le32(task->total_xfer_len);
+               sata_cmd.esgl = 0;
+       }
+
+       /* Check for read log for failed drive and return */
+       if (sata_cmd.sata_fis.command == 0x2f) {
+               if (((pm8001_ha_dev->id & NCQ_READ_LOG_FLAG) ||
+                       (pm8001_ha_dev->id & NCQ_ABORT_ALL_FLAG) ||
+                       (pm8001_ha_dev->id & NCQ_2ND_RLE_FLAG))) {
+                       struct task_status_struct *ts;
+
+                       pm8001_ha_dev->id &= 0xDFFFFFFF;
+                       ts = &task->task_status;
+
+                       spin_lock_irqsave(&task->task_state_lock, flags);
+                       ts->resp = SAS_TASK_COMPLETE;
+                       ts->stat = SAM_STAT_GOOD;
+                       task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
+                       task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
+                       task->task_state_flags |= SAS_TASK_STATE_DONE;
+                       if (unlikely((task->task_state_flags &
+                                       SAS_TASK_STATE_ABORTED))) {
+                               spin_unlock_irqrestore(&task->task_state_lock,
+                                                       flags);
+                               PM8001_FAIL_DBG(pm8001_ha,
+                                       pm8001_printk("task 0x%p resp 0x%x "
+                                       " stat 0x%x but aborted by upper layer "
+                                       "\n", task, ts->resp, ts->stat));
+                               pm8001_ccb_task_free(pm8001_ha, task, ccb, tag);
+                       } else {
+                               spin_unlock_irqrestore(&task->task_state_lock,
+                                                       flags);
+                               pm8001_ccb_task_free_done(pm8001_ha, task,
+                                                               ccb, tag);
+                               return 0;
+                       }
+               }
+       }
+
+       ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sata_cmd, 0);
+       return ret;
+}
+
+/**
+ * pm8001_chip_phy_start_req - start phy via PHY_START COMMAND
+ * @pm8001_ha: our hba card information.
+ * @num: the inbound queue number
+ * @phy_id: the phy id which we wanted to start up.
+ */
+static int
+pm8001_chip_phy_start_req(struct pm8001_hba_info *pm8001_ha, u8 phy_id)
+{
+       struct phy_start_req payload;
+       struct inbound_queue_table *circularQ;
+       int ret;
+       u32 tag = 0x01;
+       u32 opcode = OPC_INB_PHYSTART;
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+       memset(&payload, 0, sizeof(payload));
+       payload.tag = cpu_to_le32(tag);
+       /*
+        ** [0:7]   PHY Identifier
+        ** [8:11]  link rate 1.5G, 3G, 6G
+        ** [12:13] link mode 01b SAS mode; 10b SATA mode; 11b both
+        ** [14]    0b disable spin up hold; 1b enable spin up hold
+        */
+       payload.ase_sh_lm_slr_phyid = cpu_to_le32(SPINHOLD_DISABLE |
+               LINKMODE_AUTO | LINKRATE_15 |
+               LINKRATE_30 | LINKRATE_60 | phy_id);
+       payload.sas_identify.dev_type = SAS_END_DEVICE;
+       payload.sas_identify.initiator_bits = SAS_PROTOCOL_ALL;
+       memcpy(payload.sas_identify.sas_addr,
+               pm8001_ha->sas_addr, SAS_ADDR_SIZE);
+       payload.sas_identify.phy_id = phy_id;
+       ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
+       return ret;
+}
+
+/**
+ * pm8001_chip_phy_stop_req - start phy via PHY_STOP COMMAND
+ * @pm8001_ha: our hba card information.
+ * @num: the inbound queue number
+ * @phy_id: the phy id which we wanted to start up.
+ */
+int pm8001_chip_phy_stop_req(struct pm8001_hba_info *pm8001_ha,
+       u8 phy_id)
+{
+       struct phy_stop_req payload;
+       struct inbound_queue_table *circularQ;
+       int ret;
+       u32 tag = 0x01;
+       u32 opcode = OPC_INB_PHYSTOP;
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+       memset(&payload, 0, sizeof(payload));
+       payload.tag = cpu_to_le32(tag);
+       payload.phy_id = cpu_to_le32(phy_id);
+       ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opcode, &payload, 0);
+       return ret;
+}
+
+/**
+ * see comments on pm8001_mpi_reg_resp.
+ */
+static int pm8001_chip_reg_dev_req(struct pm8001_hba_info *pm8001_ha,
+       struct pm8001_device *pm8001_dev, u32 flag)
+{
+       struct reg_dev_req payload;
+       u32     opc;
+       u32 stp_sspsmp_sata = 0x4;
+       struct inbound_queue_table *circularQ;
+       u32 linkrate, phy_id;
+       int rc, tag = 0xdeadbeef;
+       struct pm8001_ccb_info *ccb;
+       u8 retryFlag = 0x1;
+       u16 firstBurstSize = 0;
+       u16 ITNT = 2000;
+       struct domain_device *dev = pm8001_dev->sas_device;
+       struct domain_device *parent_dev = dev->parent;
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+
+       memset(&payload, 0, sizeof(payload));
+       rc = pm8001_tag_alloc(pm8001_ha, &tag);
+       if (rc)
+               return rc;
+       ccb = &pm8001_ha->ccb_info[tag];
+       ccb->device = pm8001_dev;
+       ccb->ccb_tag = tag;
+       payload.tag = cpu_to_le32(tag);
+       if (flag == 1)
+               stp_sspsmp_sata = 0x02; /*direct attached sata */
+       else {
+               if (pm8001_dev->dev_type == SAS_SATA_DEV)
+                       stp_sspsmp_sata = 0x00; /* stp*/
+               else if (pm8001_dev->dev_type == SAS_END_DEVICE ||
+                       pm8001_dev->dev_type == SAS_EDGE_EXPANDER_DEVICE ||
+                       pm8001_dev->dev_type == SAS_FANOUT_EXPANDER_DEVICE)
+                       stp_sspsmp_sata = 0x01; /*ssp or smp*/
+       }
+       if (parent_dev && DEV_IS_EXPANDER(parent_dev->dev_type))
+               phy_id = parent_dev->ex_dev.ex_phy->phy_id;
+       else
+               phy_id = pm8001_dev->attached_phy;
+       opc = OPC_INB_REG_DEV;
+       linkrate = (pm8001_dev->sas_device->linkrate < dev->port->linkrate) ?
+                       pm8001_dev->sas_device->linkrate : dev->port->linkrate;
+       payload.phyid_portid =
+               cpu_to_le32(((pm8001_dev->sas_device->port->id) & 0x0F) |
+               ((phy_id & 0x0F) << 4));
+       payload.dtype_dlr_retry = cpu_to_le32((retryFlag & 0x01) |
+               ((linkrate & 0x0F) * 0x1000000) |
+               ((stp_sspsmp_sata & 0x03) * 0x10000000));
+       payload.firstburstsize_ITNexustimeout =
+               cpu_to_le32(ITNT | (firstBurstSize * 0x10000));
+       memcpy(payload.sas_addr, pm8001_dev->sas_device->sas_addr,
+               SAS_ADDR_SIZE);
+       rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
+       return rc;
+}
+
+/**
+ * see comments on pm8001_mpi_reg_resp.
+ */
+int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha,
+       u32 device_id)
+{
+       struct dereg_dev_req payload;
+       u32 opc = OPC_INB_DEREG_DEV_HANDLE;
+       int ret;
+       struct inbound_queue_table *circularQ;
+
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+       memset(&payload, 0, sizeof(payload));
+       payload.tag = cpu_to_le32(1);
+       payload.device_id = cpu_to_le32(device_id);
+       PM8001_MSG_DBG(pm8001_ha,
+               pm8001_printk("unregister device device_id = %d\n", device_id));
+       ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
+       return ret;
+}
+
+/**
+ * pm8001_chip_phy_ctl_req - support the local phy operation
+ * @pm8001_ha: our hba card information.
+ * @num: the inbound queue number
+ * @phy_id: the phy id which we wanted to operate
+ * @phy_op:
+ */
+static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha,
+       u32 phyId, u32 phy_op)
+{
+       struct local_phy_ctl_req payload;
+       struct inbound_queue_table *circularQ;
+       int ret;
+       u32 opc = OPC_INB_LOCAL_PHY_CONTROL;
+       memset(&payload, 0, sizeof(payload));
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+       payload.tag = cpu_to_le32(1);
+       payload.phyop_phyid =
+               cpu_to_le32(((phy_op & 0xff) << 8) | (phyId & 0x0F));
+       ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
+       return ret;
+}
+
+static u32 pm8001_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha)
+{
+       u32 value;
+#ifdef PM8001_USE_MSIX
+       return 1;
+#endif
+       value = pm8001_cr32(pm8001_ha, 0, MSGU_ODR);
+       if (value)
+               return 1;
+       return 0;
+
+}
+
+/**
+ * pm8001_chip_isr - PM8001 isr handler.
+ * @pm8001_ha: our hba card information.
+ * @irq: irq number.
+ * @stat: stat.
+ */
+static irqreturn_t
+pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha, u8 vec)
+{
+       pm8001_chip_interrupt_disable(pm8001_ha, vec);
+       process_oq(pm8001_ha, vec);
+       pm8001_chip_interrupt_enable(pm8001_ha, vec);
+       return IRQ_HANDLED;
+}
+
+static int send_task_abort(struct pm8001_hba_info *pm8001_ha, u32 opc,
+       u32 dev_id, u8 flag, u32 task_tag, u32 cmd_tag)
+{
+       struct task_abort_req task_abort;
+       struct inbound_queue_table *circularQ;
+       int ret;
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+       memset(&task_abort, 0, sizeof(task_abort));
+       if (ABORT_SINGLE == (flag & ABORT_MASK)) {
+               task_abort.abort_all = 0;
+               task_abort.device_id = cpu_to_le32(dev_id);
+               task_abort.tag_to_abort = cpu_to_le32(task_tag);
+               task_abort.tag = cpu_to_le32(cmd_tag);
+       } else if (ABORT_ALL == (flag & ABORT_MASK)) {
+               task_abort.abort_all = cpu_to_le32(1);
+               task_abort.device_id = cpu_to_le32(dev_id);
+               task_abort.tag = cpu_to_le32(cmd_tag);
+       }
+       ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &task_abort, 0);
+       return ret;
+}
+
+/**
+ * pm8001_chip_abort_task - SAS abort task when error or exception happened.
+ * @task: the task we wanted to aborted.
+ * @flag: the abort flag.
+ */
+int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
+       struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag, u32 cmd_tag)
+{
+       u32 opc, device_id;
+       int rc = TMF_RESP_FUNC_FAILED;
+       PM8001_EH_DBG(pm8001_ha,
+               pm8001_printk("cmd_tag = %x, abort task tag = 0x%x",
+                       cmd_tag, task_tag));
+       if (pm8001_dev->dev_type == SAS_END_DEVICE)
+               opc = OPC_INB_SSP_ABORT;
+       else if (pm8001_dev->dev_type == SAS_SATA_DEV)
+               opc = OPC_INB_SATA_ABORT;
+       else
+               opc = OPC_INB_SMP_ABORT;/* SMP */
+       device_id = pm8001_dev->device_id;
+       rc = send_task_abort(pm8001_ha, opc, device_id, flag,
+               task_tag, cmd_tag);
+       if (rc != TMF_RESP_FUNC_COMPLETE)
+               PM8001_EH_DBG(pm8001_ha, pm8001_printk("rc= %d\n", rc));
+       return rc;
+}
+
+/**
+ * pm8001_chip_ssp_tm_req - built the task management command.
+ * @pm8001_ha: our hba card information.
+ * @ccb: the ccb information.
+ * @tmf: task management function.
+ */
+int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
+       struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf)
+{
+       struct sas_task *task = ccb->task;
+       struct domain_device *dev = task->dev;
+       struct pm8001_device *pm8001_dev = dev->lldd_dev;
+       u32 opc = OPC_INB_SSPINITMSTART;
+       struct inbound_queue_table *circularQ;
+       struct ssp_ini_tm_start_req sspTMCmd;
+       int ret;
+
+       memset(&sspTMCmd, 0, sizeof(sspTMCmd));
+       sspTMCmd.device_id = cpu_to_le32(pm8001_dev->device_id);
+       sspTMCmd.relate_tag = cpu_to_le32(tmf->tag_of_task_to_be_managed);
+       sspTMCmd.tmf = cpu_to_le32(tmf->tmf);
+       memcpy(sspTMCmd.lun, task->ssp_task.LUN, 8);
+       sspTMCmd.tag = cpu_to_le32(ccb->ccb_tag);
+       if (pm8001_ha->chip_id != chip_8001)
+               sspTMCmd.ds_ads_m = 0x08;
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+       ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &sspTMCmd, 0);
+       return ret;
+}
+
+int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha,
+       void *payload)
+{
+       u32 opc = OPC_INB_GET_NVMD_DATA;
+       u32 nvmd_type;
+       int rc;
+       u32 tag;
+       struct pm8001_ccb_info *ccb;
+       struct inbound_queue_table *circularQ;
+       struct get_nvm_data_req nvmd_req;
+       struct fw_control_ex *fw_control_context;
+       struct pm8001_ioctl_payload *ioctl_payload = payload;
+
+       nvmd_type = ioctl_payload->minor_function;
+       fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
+       if (!fw_control_context)
+               return -ENOMEM;
+       fw_control_context->usrAddr = (u8 *)ioctl_payload->func_specific;
+       fw_control_context->len = ioctl_payload->length;
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+       memset(&nvmd_req, 0, sizeof(nvmd_req));
+       rc = pm8001_tag_alloc(pm8001_ha, &tag);
+       if (rc) {
+               kfree(fw_control_context);
+               return rc;
+       }
+       ccb = &pm8001_ha->ccb_info[tag];
+       ccb->ccb_tag = tag;
+       ccb->fw_control_context = fw_control_context;
+       nvmd_req.tag = cpu_to_le32(tag);
+
+       switch (nvmd_type) {
+       case TWI_DEVICE: {
+               u32 twi_addr, twi_page_size;
+               twi_addr = 0xa8;
+               twi_page_size = 2;
+
+               nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
+                       twi_page_size << 8 | TWI_DEVICE);
+               nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+               nvmd_req.resp_addr_hi =
+                   cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
+               nvmd_req.resp_addr_lo =
+                   cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
+               break;
+       }
+       case C_SEEPROM: {
+               nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
+               nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+               nvmd_req.resp_addr_hi =
+                   cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
+               nvmd_req.resp_addr_lo =
+                   cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
+               break;
+       }
+       case VPD_FLASH: {
+               nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
+               nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+               nvmd_req.resp_addr_hi =
+                   cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
+               nvmd_req.resp_addr_lo =
+                   cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
+               break;
+       }
+       case EXPAN_ROM: {
+               nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
+               nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+               nvmd_req.resp_addr_hi =
+                   cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
+               nvmd_req.resp_addr_lo =
+                   cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
+               break;
+       }
+       case IOP_RDUMP: {
+               nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | IOP_RDUMP);
+               nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+               nvmd_req.vpd_offset = cpu_to_le32(ioctl_payload->offset);
+               nvmd_req.resp_addr_hi =
+               cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
+               nvmd_req.resp_addr_lo =
+               cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
+               break;
+       }
+       default:
+               break;
+       }
+       rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req, 0);
+       if (rc) {
+               kfree(fw_control_context);
+               pm8001_tag_free(pm8001_ha, tag);
+       }
+       return rc;
+}
+
+int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha,
+       void *payload)
+{
+       u32 opc = OPC_INB_SET_NVMD_DATA;
+       u32 nvmd_type;
+       int rc;
+       u32 tag;
+       struct pm8001_ccb_info *ccb;
+       struct inbound_queue_table *circularQ;
+       struct set_nvm_data_req nvmd_req;
+       struct fw_control_ex *fw_control_context;
+       struct pm8001_ioctl_payload *ioctl_payload = payload;
+
+       nvmd_type = ioctl_payload->minor_function;
+       fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
+       if (!fw_control_context)
+               return -ENOMEM;
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+       memcpy(pm8001_ha->memoryMap.region[NVMD].virt_ptr,
+               &ioctl_payload->func_specific,
+               ioctl_payload->length);
+       memset(&nvmd_req, 0, sizeof(nvmd_req));
+       rc = pm8001_tag_alloc(pm8001_ha, &tag);
+       if (rc) {
+               kfree(fw_control_context);
+               return -EBUSY;
+       }
+       ccb = &pm8001_ha->ccb_info[tag];
+       ccb->fw_control_context = fw_control_context;
+       ccb->ccb_tag = tag;
+       nvmd_req.tag = cpu_to_le32(tag);
+       switch (nvmd_type) {
+       case TWI_DEVICE: {
+               u32 twi_addr, twi_page_size;
+               twi_addr = 0xa8;
+               twi_page_size = 2;
+               nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
+               nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | twi_addr << 16 |
+                       twi_page_size << 8 | TWI_DEVICE);
+               nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+               nvmd_req.resp_addr_hi =
+                   cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
+               nvmd_req.resp_addr_lo =
+                   cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
+               break;
+       }
+       case C_SEEPROM:
+               nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | C_SEEPROM);
+               nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+               nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
+               nvmd_req.resp_addr_hi =
+                   cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
+               nvmd_req.resp_addr_lo =
+                   cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
+               break;
+       case VPD_FLASH:
+               nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | VPD_FLASH);
+               nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+               nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
+               nvmd_req.resp_addr_hi =
+                   cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
+               nvmd_req.resp_addr_lo =
+                   cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
+               break;
+       case EXPAN_ROM:
+               nvmd_req.len_ir_vpdd = cpu_to_le32(IPMode | EXPAN_ROM);
+               nvmd_req.resp_len = cpu_to_le32(ioctl_payload->length);
+               nvmd_req.reserved[0] = cpu_to_le32(0xFEDCBA98);
+               nvmd_req.resp_addr_hi =
+                   cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_hi);
+               nvmd_req.resp_addr_lo =
+                   cpu_to_le32(pm8001_ha->memoryMap.region[NVMD].phys_addr_lo);
+               break;
+       default:
+               break;
+       }
+       rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &nvmd_req, 0);
+       if (rc) {
+               kfree(fw_control_context);
+               pm8001_tag_free(pm8001_ha, tag);
+       }
+       return rc;
+}
+
+/**
+ * pm8001_chip_fw_flash_update_build - support the firmware update operation
+ * @pm8001_ha: our hba card information.
+ * @fw_flash_updata_info: firmware flash update param
+ */
+int
+pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
+       void *fw_flash_updata_info, u32 tag)
+{
+       struct fw_flash_Update_req payload;
+       struct fw_flash_updata_info *info;
+       struct inbound_queue_table *circularQ;
+       int ret;
+       u32 opc = OPC_INB_FW_FLASH_UPDATE;
+
+       memset(&payload, 0, sizeof(struct fw_flash_Update_req));
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+       info = fw_flash_updata_info;
+       payload.tag = cpu_to_le32(tag);
+       payload.cur_image_len = cpu_to_le32(info->cur_image_len);
+       payload.cur_image_offset = cpu_to_le32(info->cur_image_offset);
+       payload.total_image_len = cpu_to_le32(info->total_image_len);
+       payload.len = info->sgl.im_len.len ;
+       payload.sgl_addr_lo =
+               cpu_to_le32(lower_32_bits(le64_to_cpu(info->sgl.addr)));
+       payload.sgl_addr_hi =
+               cpu_to_le32(upper_32_bits(le64_to_cpu(info->sgl.addr)));
+       ret = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
+       return ret;
+}
+
+int
+pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
+       void *payload)
+{
+       struct fw_flash_updata_info flash_update_info;
+       struct fw_control_info *fw_control;
+       struct fw_control_ex *fw_control_context;
+       int rc;
+       u32 tag;
+       struct pm8001_ccb_info *ccb;
+       void *buffer = pm8001_ha->memoryMap.region[FW_FLASH].virt_ptr;
+       dma_addr_t phys_addr = pm8001_ha->memoryMap.region[FW_FLASH].phys_addr;
+       struct pm8001_ioctl_payload *ioctl_payload = payload;
+
+       fw_control_context = kzalloc(sizeof(struct fw_control_ex), GFP_KERNEL);
+       if (!fw_control_context)
+               return -ENOMEM;
+       fw_control = (struct fw_control_info *)&ioctl_payload->func_specific;
+       memcpy(buffer, fw_control->buffer, fw_control->len);
+       flash_update_info.sgl.addr = cpu_to_le64(phys_addr);
+       flash_update_info.sgl.im_len.len = cpu_to_le32(fw_control->len);
+       flash_update_info.sgl.im_len.e = 0;
+       flash_update_info.cur_image_offset = fw_control->offset;
+       flash_update_info.cur_image_len = fw_control->len;
+       flash_update_info.total_image_len = fw_control->size;
+       fw_control_context->fw_control = fw_control;
+       fw_control_context->virtAddr = buffer;
+       fw_control_context->phys_addr = phys_addr;
+       fw_control_context->len = fw_control->len;
+       rc = pm8001_tag_alloc(pm8001_ha, &tag);
+       if (rc) {
+               kfree(fw_control_context);
+               return -EBUSY;
+       }
+       ccb = &pm8001_ha->ccb_info[tag];
+       ccb->fw_control_context = fw_control_context;
+       ccb->ccb_tag = tag;
+       rc = pm8001_chip_fw_flash_update_build(pm8001_ha, &flash_update_info,
+               tag);
+       return rc;
+}
+
+ssize_t
+pm8001_get_gsm_dump(struct device *cdev, u32 length, char *buf)
+{
+       u32 value, rem, offset = 0, bar = 0;
+       u32 index, work_offset, dw_length;
+       u32 shift_value, gsm_base, gsm_dump_offset;
+       char *direct_data;
+       struct Scsi_Host *shost = class_to_shost(cdev);
+       struct sas_ha_struct *sha = SHOST_TO_SAS_HA(shost);
+       struct pm8001_hba_info *pm8001_ha = sha->lldd_ha;
+
+       direct_data = buf;
+       gsm_dump_offset = pm8001_ha->fatal_forensic_shift_offset;
+
+       /* check max is 1 Mbytes */
+       if ((length > 0x100000) || (gsm_dump_offset & 3) ||
+               ((gsm_dump_offset + length) > 0x1000000))
+                       return -EINVAL;
+
+       if (pm8001_ha->chip_id == chip_8001)
+               bar = 2;
+       else
+               bar = 1;
+
+       work_offset = gsm_dump_offset & 0xFFFF0000;
+       offset = gsm_dump_offset & 0x0000FFFF;
+       gsm_dump_offset = work_offset;
+       /* adjust length to dword boundary */
+       rem = length & 3;
+       dw_length = length >> 2;
+
+       for (index = 0; index < dw_length; index++) {
+               if ((work_offset + offset) & 0xFFFF0000) {
+                       if (pm8001_ha->chip_id == chip_8001)
+                               shift_value = ((gsm_dump_offset + offset) &
+                                               SHIFT_REG_64K_MASK);
+                       else
+                               shift_value = (((gsm_dump_offset + offset) &
+                                               SHIFT_REG_64K_MASK) >>
+                                               SHIFT_REG_BIT_SHIFT);
+
+                       if (pm8001_ha->chip_id == chip_8001) {
+                               gsm_base = GSM_BASE;
+                               if (-1 == pm8001_bar4_shift(pm8001_ha,
+                                               (gsm_base + shift_value)))
+                                       return -EIO;
+                       } else {
+                               gsm_base = 0;
+                               if (-1 == pm80xx_bar4_shift(pm8001_ha,
+                                               (gsm_base + shift_value)))
+                                       return -EIO;
+                       }
+                       gsm_dump_offset = (gsm_dump_offset + offset) &
+                                               0xFFFF0000;
+                       work_offset = 0;
+                       offset = offset & 0x0000FFFF;
+               }
+               value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
+                                               0x0000FFFF);
+               direct_data += sprintf(direct_data, "%08x ", value);
+               offset += 4;
+       }
+       if (rem != 0) {
+               value = pm8001_cr32(pm8001_ha, bar, (work_offset + offset) &
+                                               0x0000FFFF);
+               /* xfr for non_dw */
+               direct_data += sprintf(direct_data, "%08x ", value);
+       }
+       /* Shift back to BAR4 original address */
+       if (-1 == pm8001_bar4_shift(pm8001_ha, 0))
+                       return -EIO;
+       pm8001_ha->fatal_forensic_shift_offset += 1024;
+
+       if (pm8001_ha->fatal_forensic_shift_offset >= 0x100000)
+               pm8001_ha->fatal_forensic_shift_offset = 0;
+       return direct_data - buf;
+}
+
+int
+pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
+       struct pm8001_device *pm8001_dev, u32 state)
+{
+       struct set_dev_state_req payload;
+       struct inbound_queue_table *circularQ;
+       struct pm8001_ccb_info *ccb;
+       int rc;
+       u32 tag;
+       u32 opc = OPC_INB_SET_DEVICE_STATE;
+       memset(&payload, 0, sizeof(payload));
+       rc = pm8001_tag_alloc(pm8001_ha, &tag);
+       if (rc)
+               return -1;
+       ccb = &pm8001_ha->ccb_info[tag];
+       ccb->ccb_tag = tag;
+       ccb->device = pm8001_dev;
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+       payload.tag = cpu_to_le32(tag);
+       payload.device_id = cpu_to_le32(pm8001_dev->device_id);
+       payload.nds = cpu_to_le32(state);
+       rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
+       return rc;
+
+}
+
+static int
+pm8001_chip_sas_re_initialization(struct pm8001_hba_info *pm8001_ha)
+{
+       struct sas_re_initialization_req payload;
+       struct inbound_queue_table *circularQ;
+       struct pm8001_ccb_info *ccb;
+       int rc;
+       u32 tag;
+       u32 opc = OPC_INB_SAS_RE_INITIALIZE;
+       memset(&payload, 0, sizeof(payload));
+       rc = pm8001_tag_alloc(pm8001_ha, &tag);
+       if (rc)
+               return -ENOMEM;
+       ccb = &pm8001_ha->ccb_info[tag];
+       ccb->ccb_tag = tag;
+       circularQ = &pm8001_ha->inbnd_q_tbl[0];
+       payload.tag = cpu_to_le32(tag);
+       payload.SSAHOLT = cpu_to_le32(0xd << 25);
+       payload.sata_hol_tmo = cpu_to_le32(80);
+       payload.open_reject_cmdretries_data_retries = cpu_to_le32(0xff00ff);
+       rc = pm8001_mpi_build_cmd(pm8001_ha, circularQ, opc, &payload, 0);
+       if (rc)
+               pm8001_tag_free(pm8001_ha, tag);
+       return rc;
+
+}
+
+const struct pm8001_dispatch pm8001_8001_dispatch = {
+       .name                   = "pmc8001",
+       .chip_init              = pm8001_chip_init,
+       .chip_soft_rst          = pm8001_chip_soft_rst,
+       .chip_rst               = pm8001_hw_chip_rst,
+       .chip_iounmap           = pm8001_chip_iounmap,
+       .isr                    = pm8001_chip_isr,
+       .is_our_interupt        = pm8001_chip_is_our_interupt,
+       .isr_process_oq         = process_oq,
+       .interrupt_enable       = pm8001_chip_interrupt_enable,
+       .interrupt_disable      = pm8001_chip_interrupt_disable,
+       .make_prd               = pm8001_chip_make_sg,
+       .smp_req                = pm8001_chip_smp_req,
+       .ssp_io_req             = pm8001_chip_ssp_io_req,
+       .sata_req               = pm8001_chip_sata_req,
+       .phy_start_req          = pm8001_chip_phy_start_req,
+       .phy_stop_req           = pm8001_chip_phy_stop_req,
+       .reg_dev_req            = pm8001_chip_reg_dev_req,
+       .dereg_dev_req          = pm8001_chip_dereg_dev_req,
+       .phy_ctl_req            = pm8001_chip_phy_ctl_req,
+       .task_abort             = pm8001_chip_abort_task,
+       .ssp_tm_req             = pm8001_chip_ssp_tm_req,
+       .get_nvmd_req           = pm8001_chip_get_nvmd_req,
+       .set_nvmd_req           = pm8001_chip_set_nvmd_req,
+       .fw_flash_update_req    = pm8001_chip_fw_flash_update_req,
+       .set_dev_state_req      = pm8001_chip_set_dev_state_req,
+       .sas_re_init_req        = pm8001_chip_sas_re_initialization,
+};