Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / scsi / pm8001 / pm8001_sas.h
diff --git a/kernel/drivers/scsi/pm8001/pm8001_sas.h b/kernel/drivers/scsi/pm8001/pm8001_sas.h
new file mode 100644 (file)
index 0000000..8dd8b78
--- /dev/null
@@ -0,0 +1,723 @@
+/*
+ * PMC-Sierra PM8001/8081/8088/8089 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.
+ *
+ */
+
+#ifndef _PM8001_SAS_H_
+#define _PM8001_SAS_H_
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/delay.h>
+#include <linux/types.h>
+#include <linux/ctype.h>
+#include <linux/dma-mapping.h>
+#include <linux/pci.h>
+#include <linux/interrupt.h>
+#include <linux/workqueue.h>
+#include <scsi/libsas.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/sas_ata.h>
+#include <linux/atomic.h>
+#include "pm8001_defs.h"
+
+#define DRV_NAME               "pm80xx"
+#define DRV_VERSION            "0.1.37"
+#define PM8001_FAIL_LOGGING    0x01 /* Error message logging */
+#define PM8001_INIT_LOGGING    0x02 /* driver init logging */
+#define PM8001_DISC_LOGGING    0x04 /* discovery layer logging */
+#define PM8001_IO_LOGGING      0x08 /* I/O path logging */
+#define PM8001_EH_LOGGING      0x10 /* libsas EH function logging*/
+#define PM8001_IOCTL_LOGGING   0x20 /* IOCTL message logging */
+#define PM8001_MSG_LOGGING     0x40 /* misc message logging */
+#define pm8001_printk(format, arg...)  printk(KERN_INFO "pm80xx %s %d:" \
+                       format, __func__, __LINE__, ## arg)
+#define PM8001_CHECK_LOGGING(HBA, LEVEL, CMD)  \
+do {                                           \
+       if (unlikely(HBA->logging_level & LEVEL))       \
+               do {                                    \
+                       CMD;                            \
+               } while (0);                            \
+} while (0);
+
+#define PM8001_EH_DBG(HBA, CMD)                        \
+       PM8001_CHECK_LOGGING(HBA, PM8001_EH_LOGGING, CMD)
+
+#define PM8001_INIT_DBG(HBA, CMD)              \
+       PM8001_CHECK_LOGGING(HBA, PM8001_INIT_LOGGING, CMD)
+
+#define PM8001_DISC_DBG(HBA, CMD)              \
+       PM8001_CHECK_LOGGING(HBA, PM8001_DISC_LOGGING, CMD)
+
+#define PM8001_IO_DBG(HBA, CMD)                \
+       PM8001_CHECK_LOGGING(HBA, PM8001_IO_LOGGING, CMD)
+
+#define PM8001_FAIL_DBG(HBA, CMD)              \
+       PM8001_CHECK_LOGGING(HBA, PM8001_FAIL_LOGGING, CMD)
+
+#define PM8001_IOCTL_DBG(HBA, CMD)             \
+       PM8001_CHECK_LOGGING(HBA, PM8001_IOCTL_LOGGING, CMD)
+
+#define PM8001_MSG_DBG(HBA, CMD)               \
+       PM8001_CHECK_LOGGING(HBA, PM8001_MSG_LOGGING, CMD)
+
+
+#define PM8001_USE_TASKLET
+#define PM8001_USE_MSIX
+#define PM8001_READ_VPD
+
+
+#define DEV_IS_EXPANDER(type)  ((type == SAS_EDGE_EXPANDER_DEVICE) || (type == SAS_FANOUT_EXPANDER_DEVICE))
+#define IS_SPCV_12G(dev)       ((dev->device == 0X8074)                \
+                               || (dev->device == 0X8076)              \
+                               || (dev->device == 0X8077))
+
+#define PM8001_NAME_LENGTH             32/* generic length of strings */
+extern struct list_head hba_list;
+extern const struct pm8001_dispatch pm8001_8001_dispatch;
+extern const struct pm8001_dispatch pm8001_80xx_dispatch;
+
+struct pm8001_hba_info;
+struct pm8001_ccb_info;
+struct pm8001_device;
+/* define task management IU */
+struct pm8001_tmf_task {
+       u8      tmf;
+       u32     tag_of_task_to_be_managed;
+};
+struct pm8001_ioctl_payload {
+       u32     signature;
+       u16     major_function;
+       u16     minor_function;
+       u16     length;
+       u16     status;
+       u16     offset;
+       u16     id;
+       u8      *func_specific;
+};
+
+#define MPI_FATAL_ERROR_TABLE_OFFSET_MASK 0xFFFFFF
+#define MPI_FATAL_ERROR_TABLE_SIZE(value) ((0xFF000000 & value) >> SHIFT24)
+#define MPI_FATAL_EDUMP_TABLE_LO_OFFSET            0x00     /* HNFBUFL */
+#define MPI_FATAL_EDUMP_TABLE_HI_OFFSET            0x04     /* HNFBUFH */
+#define MPI_FATAL_EDUMP_TABLE_LENGTH               0x08     /* HNFBLEN */
+#define MPI_FATAL_EDUMP_TABLE_HANDSHAKE            0x0C     /* FDDHSHK */
+#define MPI_FATAL_EDUMP_TABLE_STATUS               0x10     /* FDDTSTAT */
+#define MPI_FATAL_EDUMP_TABLE_ACCUM_LEN            0x14     /* ACCDDLEN */
+#define MPI_FATAL_EDUMP_HANDSHAKE_RDY              0x1
+#define MPI_FATAL_EDUMP_HANDSHAKE_BUSY             0x0
+#define MPI_FATAL_EDUMP_TABLE_STAT_RSVD                 0x0
+#define MPI_FATAL_EDUMP_TABLE_STAT_DMA_FAILED           0x1
+#define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_MORE_DATA 0x2
+#define MPI_FATAL_EDUMP_TABLE_STAT_NF_SUCCESS_DONE      0x3
+#define TYPE_GSM_SPACE        1
+#define TYPE_QUEUE            2
+#define TYPE_FATAL            3
+#define TYPE_NON_FATAL        4
+#define TYPE_INBOUND          1
+#define TYPE_OUTBOUND         2
+struct forensic_data {
+       u32  data_type;
+       union {
+               struct {
+                       u32  direct_len;
+                       u32  direct_offset;
+                       void  *direct_data;
+               } gsm_buf;
+               struct {
+                       u16  queue_type;
+                       u16  queue_index;
+                       u32  direct_len;
+                       void  *direct_data;
+               } queue_buf;
+               struct {
+                       u32  direct_len;
+                       u32  direct_offset;
+                       u32  read_len;
+                       void  *direct_data;
+               } data_buf;
+       };
+};
+
+/* bit31-26 - mask bar */
+#define SCRATCH_PAD0_BAR_MASK                    0xFC000000
+/* bit25-0  - offset mask */
+#define SCRATCH_PAD0_OFFSET_MASK                 0x03FFFFFF
+/* if AAP error state */
+#define SCRATCH_PAD0_AAPERR_MASK                 0xFFFFFFFF
+/* Inbound doorbell bit7 */
+#define SPCv_MSGU_CFG_TABLE_NONFATAL_DUMP       0x80
+/* Inbound doorbell bit7 SPCV */
+#define SPCV_MSGU_CFG_TABLE_TRANSFER_DEBUG_INFO  0x80
+#define MAIN_MERRDCTO_MERRDCES                  0xA0/* DWORD 0x28) */
+
+struct pm8001_dispatch {
+       char *name;
+       int (*chip_init)(struct pm8001_hba_info *pm8001_ha);
+       int (*chip_soft_rst)(struct pm8001_hba_info *pm8001_ha);
+       void (*chip_rst)(struct pm8001_hba_info *pm8001_ha);
+       int (*chip_ioremap)(struct pm8001_hba_info *pm8001_ha);
+       void (*chip_iounmap)(struct pm8001_hba_info *pm8001_ha);
+       irqreturn_t (*isr)(struct pm8001_hba_info *pm8001_ha, u8 vec);
+       u32 (*is_our_interupt)(struct pm8001_hba_info *pm8001_ha);
+       int (*isr_process_oq)(struct pm8001_hba_info *pm8001_ha, u8 vec);
+       void (*interrupt_enable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
+       void (*interrupt_disable)(struct pm8001_hba_info *pm8001_ha, u8 vec);
+       void (*make_prd)(struct scatterlist *scatter, int nr, void *prd);
+       int (*smp_req)(struct pm8001_hba_info *pm8001_ha,
+               struct pm8001_ccb_info *ccb);
+       int (*ssp_io_req)(struct pm8001_hba_info *pm8001_ha,
+               struct pm8001_ccb_info *ccb);
+       int (*sata_req)(struct pm8001_hba_info *pm8001_ha,
+               struct pm8001_ccb_info *ccb);
+       int (*phy_start_req)(struct pm8001_hba_info *pm8001_ha, u8 phy_id);
+       int (*phy_stop_req)(struct pm8001_hba_info *pm8001_ha, u8 phy_id);
+       int (*reg_dev_req)(struct pm8001_hba_info *pm8001_ha,
+               struct pm8001_device *pm8001_dev, u32 flag);
+       int (*dereg_dev_req)(struct pm8001_hba_info *pm8001_ha, u32 device_id);
+       int (*phy_ctl_req)(struct pm8001_hba_info *pm8001_ha,
+               u32 phy_id, u32 phy_op);
+       int (*task_abort)(struct pm8001_hba_info *pm8001_ha,
+               struct pm8001_device *pm8001_dev, u8 flag, u32 task_tag,
+               u32 cmd_tag);
+       int (*ssp_tm_req)(struct pm8001_hba_info *pm8001_ha,
+               struct pm8001_ccb_info *ccb, struct pm8001_tmf_task *tmf);
+       int (*get_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
+       int (*set_nvmd_req)(struct pm8001_hba_info *pm8001_ha, void *payload);
+       int (*fw_flash_update_req)(struct pm8001_hba_info *pm8001_ha,
+               void *payload);
+       int (*set_dev_state_req)(struct pm8001_hba_info *pm8001_ha,
+               struct pm8001_device *pm8001_dev, u32 state);
+       int (*sas_diag_start_end_req)(struct pm8001_hba_info *pm8001_ha,
+               u32 state);
+       int (*sas_diag_execute_req)(struct pm8001_hba_info *pm8001_ha,
+               u32 state);
+       int (*sas_re_init_req)(struct pm8001_hba_info *pm8001_ha);
+};
+
+struct pm8001_chip_info {
+       u32     encrypt;
+       u32     n_phy;
+       const struct pm8001_dispatch    *dispatch;
+};
+#define PM8001_CHIP_DISP       (pm8001_ha->chip->dispatch)
+
+struct pm8001_port {
+       struct asd_sas_port     sas_port;
+       u8                      port_attached;
+       u8                      wide_port_phymap;
+       u8                      port_state;
+       struct list_head        list;
+};
+
+struct pm8001_phy {
+       struct pm8001_hba_info  *pm8001_ha;
+       struct pm8001_port      *port;
+       struct asd_sas_phy      sas_phy;
+       struct sas_identify     identify;
+       struct scsi_device      *sdev;
+       u64                     dev_sas_addr;
+       u32                     phy_type;
+       struct completion       *enable_completion;
+       u32                     frame_rcvd_size;
+       u8                      frame_rcvd[32];
+       u8                      phy_attached;
+       u8                      phy_state;
+       enum sas_linkrate       minimum_linkrate;
+       enum sas_linkrate       maximum_linkrate;
+};
+
+struct pm8001_device {
+       enum sas_device_type    dev_type;
+       struct domain_device    *sas_device;
+       u32                     attached_phy;
+       u32                     id;
+       struct completion       *dcompletion;
+       struct completion       *setds_completion;
+       u32                     device_id;
+       u32                     running_req;
+};
+
+struct pm8001_prd_imt {
+       __le32                  len;
+       __le32                  e;
+};
+
+struct pm8001_prd {
+       __le64                  addr;           /* 64-bit buffer address */
+       struct pm8001_prd_imt   im_len;         /* 64-bit length */
+} __attribute__ ((packed));
+/*
+ * CCB(Command Control Block)
+ */
+struct pm8001_ccb_info {
+       struct list_head        entry;
+       struct sas_task         *task;
+       u32                     n_elem;
+       u32                     ccb_tag;
+       dma_addr_t              ccb_dma_handle;
+       struct pm8001_device    *device;
+       struct pm8001_prd       buf_prd[PM8001_MAX_DMA_SG];
+       struct fw_control_ex    *fw_control_context;
+       u8                      open_retry;
+};
+
+struct mpi_mem {
+       void                    *virt_ptr;
+       dma_addr_t              phys_addr;
+       u32                     phys_addr_hi;
+       u32                     phys_addr_lo;
+       u32                     total_len;
+       u32                     num_elements;
+       u32                     element_size;
+       u32                     alignment;
+};
+
+struct mpi_mem_req {
+       /* The number of element in the  mpiMemory array */
+       u32                     count;
+       /* The array of structures that define memroy regions*/
+       struct mpi_mem          region[USI_MAX_MEMCNT];
+};
+
+struct encrypt {
+       u32     cipher_mode;
+       u32     sec_mode;
+       u32     status;
+       u32     flag;
+};
+
+struct sas_phy_attribute_table {
+       u32     phystart1_16[16];
+       u32     outbound_hw_event_pid1_16[16];
+};
+
+union main_cfg_table {
+       struct {
+       u32                     signature;
+       u32                     interface_rev;
+       u32                     firmware_rev;
+       u32                     max_out_io;
+       u32                     max_sgl;
+       u32                     ctrl_cap_flag;
+       u32                     gst_offset;
+       u32                     inbound_queue_offset;
+       u32                     outbound_queue_offset;
+       u32                     inbound_q_nppd_hppd;
+       u32                     outbound_hw_event_pid0_3;
+       u32                     outbound_hw_event_pid4_7;
+       u32                     outbound_ncq_event_pid0_3;
+       u32                     outbound_ncq_event_pid4_7;
+       u32                     outbound_tgt_ITNexus_event_pid0_3;
+       u32                     outbound_tgt_ITNexus_event_pid4_7;
+       u32                     outbound_tgt_ssp_event_pid0_3;
+       u32                     outbound_tgt_ssp_event_pid4_7;
+       u32                     outbound_tgt_smp_event_pid0_3;
+       u32                     outbound_tgt_smp_event_pid4_7;
+       u32                     upper_event_log_addr;
+       u32                     lower_event_log_addr;
+       u32                     event_log_size;
+       u32                     event_log_option;
+       u32                     upper_iop_event_log_addr;
+       u32                     lower_iop_event_log_addr;
+       u32                     iop_event_log_size;
+       u32                     iop_event_log_option;
+       u32                     fatal_err_interrupt;
+       u32                     fatal_err_dump_offset0;
+       u32                     fatal_err_dump_length0;
+       u32                     fatal_err_dump_offset1;
+       u32                     fatal_err_dump_length1;
+       u32                     hda_mode_flag;
+       u32                     anolog_setup_table_offset;
+       u32                     rsvd[4];
+       } pm8001_tbl;
+
+       struct {
+       u32                     signature;
+       u32                     interface_rev;
+       u32                     firmware_rev;
+       u32                     max_out_io;
+       u32                     max_sgl;
+       u32                     ctrl_cap_flag;
+       u32                     gst_offset;
+       u32                     inbound_queue_offset;
+       u32                     outbound_queue_offset;
+       u32                     inbound_q_nppd_hppd;
+       u32                     rsvd[8];
+       u32                     crc_core_dump;
+       u32                     rsvd1;
+       u32                     upper_event_log_addr;
+       u32                     lower_event_log_addr;
+       u32                     event_log_size;
+       u32                     event_log_severity;
+       u32                     upper_pcs_event_log_addr;
+       u32                     lower_pcs_event_log_addr;
+       u32                     pcs_event_log_size;
+       u32                     pcs_event_log_severity;
+       u32                     fatal_err_interrupt;
+       u32                     fatal_err_dump_offset0;
+       u32                     fatal_err_dump_length0;
+       u32                     fatal_err_dump_offset1;
+       u32                     fatal_err_dump_length1;
+       u32                     gpio_led_mapping;
+       u32                     analog_setup_table_offset;
+       u32                     int_vec_table_offset;
+       u32                     phy_attr_table_offset;
+       u32                     port_recovery_timer;
+       u32                     interrupt_reassertion_delay;
+       u32                     fatal_n_non_fatal_dump;         /* 0x28 */
+       } pm80xx_tbl;
+};
+
+union general_status_table {
+       struct {
+       u32                     gst_len_mpistate;
+       u32                     iq_freeze_state0;
+       u32                     iq_freeze_state1;
+       u32                     msgu_tcnt;
+       u32                     iop_tcnt;
+       u32                     rsvd;
+       u32                     phy_state[8];
+       u32                     gpio_input_val;
+       u32                     rsvd1[2];
+       u32                     recover_err_info[8];
+       } pm8001_tbl;
+       struct {
+       u32                     gst_len_mpistate;
+       u32                     iq_freeze_state0;
+       u32                     iq_freeze_state1;
+       u32                     msgu_tcnt;
+       u32                     iop_tcnt;
+       u32                     rsvd[9];
+       u32                     gpio_input_val;
+       u32                     rsvd1[2];
+       u32                     recover_err_info[8];
+       } pm80xx_tbl;
+};
+struct inbound_queue_table {
+       u32                     element_pri_size_cnt;
+       u32                     upper_base_addr;
+       u32                     lower_base_addr;
+       u32                     ci_upper_base_addr;
+       u32                     ci_lower_base_addr;
+       u32                     pi_pci_bar;
+       u32                     pi_offset;
+       u32                     total_length;
+       void                    *base_virt;
+       void                    *ci_virt;
+       u32                     reserved;
+       __le32                  consumer_index;
+       u32                     producer_idx;
+};
+struct outbound_queue_table {
+       u32                     element_size_cnt;
+       u32                     upper_base_addr;
+       u32                     lower_base_addr;
+       void                    *base_virt;
+       u32                     pi_upper_base_addr;
+       u32                     pi_lower_base_addr;
+       u32                     ci_pci_bar;
+       u32                     ci_offset;
+       u32                     total_length;
+       void                    *pi_virt;
+       u32                     interrup_vec_cnt_delay;
+       u32                     dinterrup_to_pci_offset;
+       __le32                  producer_index;
+       u32                     consumer_idx;
+};
+struct pm8001_hba_memspace {
+       void __iomem            *memvirtaddr;
+       u64                     membase;
+       u32                     memsize;
+};
+struct isr_param {
+       struct pm8001_hba_info *drv_inst;
+       u32 irq_id;
+};
+struct pm8001_hba_info {
+       char                    name[PM8001_NAME_LENGTH];
+       struct list_head        list;
+       unsigned long           flags;
+       spinlock_t              lock;/* host-wide lock */
+       spinlock_t              bitmap_lock;
+       struct pci_dev          *pdev;/* our device */
+       struct device           *dev;
+       struct pm8001_hba_memspace io_mem[6];
+       struct mpi_mem_req      memoryMap;
+       struct encrypt          encrypt_info; /* support encryption */
+       struct forensic_data    forensic_info;
+       u32                     fatal_bar_loc;
+       u32                     forensic_last_offset;
+       u32                     fatal_forensic_shift_offset;
+       u32                     forensic_fatal_step;
+       u32                     evtlog_ib_offset;
+       u32                     evtlog_ob_offset;
+       void __iomem    *msg_unit_tbl_addr;/*Message Unit Table Addr*/
+       void __iomem    *main_cfg_tbl_addr;/*Main Config Table Addr*/
+       void __iomem    *general_stat_tbl_addr;/*General Status Table Addr*/
+       void __iomem    *inbnd_q_tbl_addr;/*Inbound Queue Config Table Addr*/
+       void __iomem    *outbnd_q_tbl_addr;/*Outbound Queue Config Table Addr*/
+       void __iomem    *pspa_q_tbl_addr;
+                       /*MPI SAS PHY attributes Queue Config Table Addr*/
+       void __iomem    *ivt_tbl_addr; /*MPI IVT Table Addr */
+       void __iomem    *fatal_tbl_addr; /*MPI IVT Table Addr */
+       union main_cfg_table    main_cfg_tbl;
+       union general_status_table      gs_tbl;
+       struct inbound_queue_table      inbnd_q_tbl[PM8001_MAX_SPCV_INB_NUM];
+       struct outbound_queue_table     outbnd_q_tbl[PM8001_MAX_SPCV_OUTB_NUM];
+       struct sas_phy_attribute_table  phy_attr_table;
+                                       /* MPI SAS PHY attributes */
+       u8                      sas_addr[SAS_ADDR_SIZE];
+       struct sas_ha_struct    *sas;/* SCSI/SAS glue */
+       struct Scsi_Host        *shost;
+       u32                     chip_id;
+       const struct pm8001_chip_info   *chip;
+       struct completion       *nvmd_completion;
+       int                     tags_num;
+       unsigned long           *tags;
+       struct pm8001_phy       phy[PM8001_MAX_PHYS];
+       struct pm8001_port      port[PM8001_MAX_PHYS];
+       u32                     id;
+       u32                     irq;
+       u32                     iomb_size; /* SPC and SPCV IOMB size */
+       struct pm8001_device    *devices;
+       struct pm8001_ccb_info  *ccb_info;
+#ifdef PM8001_USE_MSIX
+       struct msix_entry       msix_entries[PM8001_MAX_MSIX_VEC];
+                                       /*for msi-x interrupt*/
+       int                     number_of_intr;/*will be used in remove()*/
+#endif
+#ifdef PM8001_USE_TASKLET
+       struct tasklet_struct   tasklet[PM8001_MAX_MSIX_VEC];
+#endif
+       u32                     logging_level;
+       u32                     fw_status;
+       u32                     smp_exp_mode;
+       const struct firmware   *fw_image;
+       struct isr_param irq_vector[PM8001_MAX_MSIX_VEC];
+};
+
+struct pm8001_work {
+       struct work_struct work;
+       struct pm8001_hba_info *pm8001_ha;
+       void *data;
+       int handler;
+};
+
+struct pm8001_fw_image_header {
+       u8 vender_id[8];
+       u8 product_id;
+       u8 hardware_rev;
+       u8 dest_partition;
+       u8 reserved;
+       u8 fw_rev[4];
+       __be32  image_length;
+       __be32 image_crc;
+       __be32 startup_entry;
+} __attribute__((packed, aligned(4)));
+
+
+/**
+ * FW Flash Update status values
+ */
+#define FLASH_UPDATE_COMPLETE_PENDING_REBOOT   0x00
+#define FLASH_UPDATE_IN_PROGRESS               0x01
+#define FLASH_UPDATE_HDR_ERR                   0x02
+#define FLASH_UPDATE_OFFSET_ERR                        0x03
+#define FLASH_UPDATE_CRC_ERR                   0x04
+#define FLASH_UPDATE_LENGTH_ERR                        0x05
+#define FLASH_UPDATE_HW_ERR                    0x06
+#define FLASH_UPDATE_DNLD_NOT_SUPPORTED                0x10
+#define FLASH_UPDATE_DISABLED                  0x11
+
+#define        NCQ_READ_LOG_FLAG                       0x80000000
+#define        NCQ_ABORT_ALL_FLAG                      0x40000000
+#define        NCQ_2ND_RLE_FLAG                        0x20000000
+/**
+ * brief param structure for firmware flash update.
+ */
+struct fw_flash_updata_info {
+       u32                     cur_image_offset;
+       u32                     cur_image_len;
+       u32                     total_image_len;
+       struct pm8001_prd       sgl;
+};
+
+struct fw_control_info {
+       u32                     retcode;/*ret code (status)*/
+       u32                     phase;/*ret code phase*/
+       u32                     phaseCmplt;/*percent complete for the current
+       update phase */
+       u32                     version;/*Hex encoded firmware version number*/
+       u32                     offset;/*Used for downloading firmware  */
+       u32                     len; /*len of buffer*/
+       u32                     size;/* Used in OS VPD and Trace get size
+       operations.*/
+       u32                     reserved;/* padding required for 64 bit
+       alignment */
+       u8                      buffer[1];/* Start of buffer */
+};
+struct fw_control_ex {
+       struct fw_control_info *fw_control;
+       void                    *buffer;/* keep buffer pointer to be
+       freed when the response comes*/
+       void                    *virtAddr;/* keep virtual address of the data */
+       void                    *usrAddr;/* keep virtual address of the
+       user data */
+       dma_addr_t              phys_addr;
+       u32                     len; /* len of buffer  */
+       void                    *payload; /* pointer to IOCTL Payload */
+       u8                      inProgress;/*if 1 - the IOCTL request is in
+       progress */
+       void                    *param1;
+       void                    *param2;
+       void                    *param3;
+};
+
+/* pm8001 workqueue */
+extern struct workqueue_struct *pm8001_wq;
+
+/******************** function prototype *********************/
+int pm8001_tag_alloc(struct pm8001_hba_info *pm8001_ha, u32 *tag_out);
+void pm8001_tag_init(struct pm8001_hba_info *pm8001_ha);
+u32 pm8001_get_ncq_tag(struct sas_task *task, u32 *tag);
+void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha,
+       struct sas_task *task, struct pm8001_ccb_info *ccb, u32 ccb_idx);
+int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func,
+       void *funcdata);
+void pm8001_scan_start(struct Scsi_Host *shost);
+int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time);
+int pm8001_queue_command(struct sas_task *task, gfp_t gfp_flags);
+int pm8001_abort_task(struct sas_task *task);
+int pm8001_abort_task_set(struct domain_device *dev, u8 *lun);
+int pm8001_clear_aca(struct domain_device *dev, u8 *lun);
+int pm8001_clear_task_set(struct domain_device *dev, u8 *lun);
+int pm8001_dev_found(struct domain_device *dev);
+void pm8001_dev_gone(struct domain_device *dev);
+int pm8001_lu_reset(struct domain_device *dev, u8 *lun);
+int pm8001_I_T_nexus_reset(struct domain_device *dev);
+int pm8001_I_T_nexus_event_handler(struct domain_device *dev);
+int pm8001_query_task(struct sas_task *task);
+void pm8001_open_reject_retry(
+       struct pm8001_hba_info *pm8001_ha,
+       struct sas_task *task_to_close,
+       struct pm8001_device *device_to_close);
+int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr,
+       dma_addr_t *pphys_addr, u32 *pphys_addr_hi, u32 *pphys_addr_lo,
+       u32 mem_size, u32 align);
+
+void pm8001_chip_iounmap(struct pm8001_hba_info *pm8001_ha);
+int pm8001_mpi_build_cmd(struct pm8001_hba_info *pm8001_ha,
+                       struct inbound_queue_table *circularQ,
+                       u32 opCode, void *payload, u32 responseQueue);
+int pm8001_mpi_msg_free_get(struct inbound_queue_table *circularQ,
+                               u16 messageSize, void **messagePtr);
+u32 pm8001_mpi_msg_free_set(struct pm8001_hba_info *pm8001_ha, void *pMsg,
+                       struct outbound_queue_table *circularQ, u8 bc);
+u32 pm8001_mpi_msg_consume(struct pm8001_hba_info *pm8001_ha,
+                       struct outbound_queue_table *circularQ,
+                       void **messagePtr1, u8 *pBC);
+int pm8001_chip_set_dev_state_req(struct pm8001_hba_info *pm8001_ha,
+                       struct pm8001_device *pm8001_dev, u32 state);
+int pm8001_chip_fw_flash_update_req(struct pm8001_hba_info *pm8001_ha,
+                                       void *payload);
+int pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha,
+                                       void *fw_flash_updata_info, u32 tag);
+int pm8001_chip_set_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
+int pm8001_chip_get_nvmd_req(struct pm8001_hba_info *pm8001_ha, void *payload);
+int pm8001_chip_ssp_tm_req(struct pm8001_hba_info *pm8001_ha,
+                               struct pm8001_ccb_info *ccb,
+                               struct pm8001_tmf_task *tmf);
+int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
+                               struct pm8001_device *pm8001_dev,
+                               u8 flag, u32 task_tag, u32 cmd_tag);
+int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha, u32 device_id);
+void pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd);
+void pm8001_work_fn(struct work_struct *work);
+int pm8001_handle_event(struct pm8001_hba_info *pm8001_ha,
+                                       void *data, int handler);
+void pm8001_mpi_set_dev_state_resp(struct pm8001_hba_info *pm8001_ha,
+                                                       void *piomb);
+void pm8001_mpi_set_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
+                                                       void *piomb);
+void pm8001_mpi_get_nvmd_resp(struct pm8001_hba_info *pm8001_ha,
+                                                       void *piomb);
+int pm8001_mpi_local_phy_ctl(struct pm8001_hba_info *pm8001_ha,
+                                                       void *piomb);
+void pm8001_get_lrate_mode(struct pm8001_phy *phy, u8 link_rate);
+void pm8001_get_attached_sas_addr(struct pm8001_phy *phy, u8 *sas_addr);
+void pm8001_bytes_dmaed(struct pm8001_hba_info *pm8001_ha, int i);
+int pm8001_mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
+int pm8001_mpi_dereg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
+int pm8001_mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha,
+                                                       void *piomb);
+int pm8001_mpi_general_event(struct pm8001_hba_info *pm8001_ha , void *piomb);
+int pm8001_mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb);
+struct sas_task *pm8001_alloc_task(void);
+void pm8001_task_done(struct sas_task *task);
+void pm8001_free_task(struct sas_task *task);
+void pm8001_tag_free(struct pm8001_hba_info *pm8001_ha, u32 tag);
+struct pm8001_device *pm8001_find_dev(struct pm8001_hba_info *pm8001_ha,
+                                       u32 device_id);
+int pm80xx_set_thermal_config(struct pm8001_hba_info *pm8001_ha);
+
+int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
+void pm8001_set_phy_profile(struct pm8001_hba_info *pm8001_ha,
+       u32 length, u8 *buf);
+int pm80xx_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue);
+ssize_t pm80xx_get_fatal_dump(struct device *cdev,
+               struct device_attribute *attr, char *buf);
+ssize_t pm8001_get_gsm_dump(struct device *cdev, u32, char *buf);
+/* ctl shared API */
+extern struct device_attribute *pm8001_host_attrs[];
+
+static inline void
+pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha,
+                       struct sas_task *task, struct pm8001_ccb_info *ccb,
+                       u32 ccb_idx)
+{
+       pm8001_ccb_task_free(pm8001_ha, task, ccb, ccb_idx);
+       smp_mb(); /*in order to force CPU ordering*/
+       spin_unlock(&pm8001_ha->lock);
+       task->task_done(task);
+       spin_lock(&pm8001_ha->lock);
+}
+
+#endif
+