text: /*
   * 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		"0.1.40"
  #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_DEV_LOGGING	0x80 /* development message logging */
  #define PM8001_DEVIO_LOGGING	0x100 /* development io message logging */
  #define PM8001_IOERR_LOGGING	0x200 /* development io err message logging */
  
  #define pm8001_info(HBA, fmt, ...)					\
  	pr_info("%s:: %s %d: " fmt,					\
  		(HBA)->name, __func__, __LINE__, ##__VA_ARGS__)
  
  #define pm8001_dbg(HBA, level, fmt, ...)				\
  do {									\
  	if (unlikely((HBA)->logging_level & PM8001_##level##_LOGGING))	\
  		pm8001_info(HBA, fmt, ##__VA_ARGS__);			\
  } while (0)
  
  #define PM8001_USE_TASKLET
  #define PM8001_USE_MSIX
  #define PM8001_READ_VPD
  
  
  #define IS_SPCV_12G(dev)	((dev->device == 0X8074)		\
  				|| (dev->device == 0X8076)		\
  				|| (dev->device == 0X8077)		\
  				|| (dev->device == 0X8070)		\
  				|| (dev->device == 0X8072))
  
  #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;
  
  struct pm8001_ioctl_payload {
  	u32	signature;
  	u16	major_function;
  	u16	minor_function;
  	u16	status;
  	u16	offset;
  	u16	id;
  	u32	wr_length;
  	u32	rd_length;
  	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_TABLE_TOTAL_LEN		   0x18	    /* TOTALLEN */
  #define MPI_FATAL_EDUMP_TABLE_SIGNATURE		   0x1C     /* SIGNITURE */
  #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_interrupt)(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_ccb_info *ccb);
  	int (*ssp_tm_req)(struct pm8001_hba_info *pm8001_ha,
  		struct pm8001_ccb_info *ccb, struct sas_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);
  	int (*fatal_errors)(struct pm8001_hba_info *pm8001_ha);
  	void (*hw_event_ack_req)(struct pm8001_hba_info *pm8001_ha,
  		u32 Qnum, u32 SEA, u32 port_id, u32 phyId, u32 param0,
  		u32 param1);
  };
  
  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;
  	u16			wide_port_phymap;
  	u8			port_state;
  	u8			port_id;
  	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 completion	*reset_completion;
  	bool			port_reset_status;
  	bool			reset_success;
  };
  
  /* port reset status */
  #define PORT_RESET_SUCCESS	0x00
  #define PORT_RESET_TMO		0x01
  
  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;
  	atomic_t		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 sas_task		*task;
  	u32			n_elem;
  	u32			ccb_tag;
  	dma_addr_t		ccb_dma_handle;
  	struct pm8001_device	*device;
  	struct pm8001_prd	*buf_prd;
  	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 */
  	u32			ila_version;
  	u32			inc_fw_version;
  	} 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;
  	spinlock_t		iq_lock;
  };
  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;
  	spinlock_t		oq_lock;
  	unsigned long		lock_flags;
  };
  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			forensic_preserved_accumulated_transfer;
  	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_INB_NUM];
  	struct outbound_queue_table	outbnd_q_tbl[PM8001_MAX_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;
  	u32			ccb_count;
  #ifdef PM8001_USE_MSIX
  	int			number_of_intr;/*will be used in remove()*/
  	char			intr_drvname[PM8001_MAX_MSIX_VEC]
  				[PM8001_NAME_LENGTH+1+3+1];
  #endif
  #ifdef PM8001_USE_TASKLET
  	struct tasklet_struct	tasklet[PM8001_MAX_MSIX_VEC];
  #endif
  	u32			logging_level;
  	u32			link_rate;
  	u32			fw_status;
  	u32			smp_exp_mode;
  	bool			controller_fatal_error;
  	const struct firmware 	*fw_image;
  	struct isr_param irq_vector[PM8001_MAX_MSIX_VEC];
  	u32			reset_in_progress;
  	u32			non_fatal_count;
  	u32			non_fatal_read_length;
  	u32 max_q_num;
  	u32 ib_offset;
  	u32 ob_offset;
  	u32 ci_offset;
  	u32 pi_offset;
  	u32 max_memcnt;
  };
  
  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
  
  /* Device states */
  #define DS_OPERATIONAL				0x01
  #define DS_PORT_IN_RESET			0x02
  #define DS_IN_RECOVERY				0x03
  #define DS_IN_ERROR				0x04
  #define DS_NON_OPERATIONAL			0x07
  
  /**
   * 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 pm8001_ccb_info *ccb);
  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_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_port_formed(struct asd_sas_phy *sas_phy);
  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,
  			u32 q_index, u32 opCode, void *payload, size_t nb,
  			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 sas_tmf_task *tmf);
  int pm8001_chip_abort_task(struct pm8001_hba_info *pm8001_ha,
  				struct pm8001_ccb_info *ccb);
  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);
  void pm8001_set_phy_profile_single(struct pm8001_hba_info *pm8001_ha,
  		u32 phy, u32 length, u32 *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 pm80xx_get_non_fatal_dump(struct device *cdev,
  		struct device_attribute *attr, char *buf);
  ssize_t pm8001_get_gsm_dump(struct device *cdev, u32, char *buf);
  int pm80xx_fatal_errors(struct pm8001_hba_info *pm8001_ha);
  void pm8001_free_dev(struct pm8001_device *pm8001_dev);
  /* ctl shared API */
  extern const struct attribute_group *pm8001_host_groups[];
  
  #define PM8001_INVALID_TAG	((u32)-1)
  
  /*
   * Allocate a new tag and return the corresponding ccb after initializing it.
   */
  static inline struct pm8001_ccb_info *
  pm8001_ccb_alloc(struct pm8001_hba_info *pm8001_ha,
  		 struct pm8001_device *dev, struct sas_task *task)
  {
  	struct pm8001_ccb_info *ccb;
  	u32 tag;
  
  	if (pm8001_tag_alloc(pm8001_ha, &tag)) {
  		pm8001_dbg(pm8001_ha, FAIL, "Failed to allocate a tag\n");
  		return NULL;
  	}
  
  	ccb = &pm8001_ha->ccb_info[tag];
  	ccb->task = task;
  	ccb->n_elem = 0;
  	ccb->ccb_tag = tag;
  	ccb->device = dev;
  	ccb->fw_control_context = NULL;
  	ccb->open_retry = 0;
  
  	return ccb;
  }
  
  /*
   * Free the tag of an initialized ccb.
   */
  static inline void pm8001_ccb_free(struct pm8001_hba_info *pm8001_ha,
  				   struct pm8001_ccb_info *ccb)
  {
  	u32 tag = ccb->ccb_tag;
  
  	/*
  	 * Cleanup the ccb to make sure that a manual scan of the adapter
  	 * ccb_info array can detect ccb's that are in use.
  	 * C.f. pm8001_open_reject_retry()
  	 */
  	ccb->task = NULL;
  	ccb->ccb_tag = PM8001_INVALID_TAG;
  	ccb->device = NULL;
  	ccb->fw_control_context = NULL;
  
  	pm8001_tag_free(pm8001_ha, tag);
  }
  
  static inline void pm8001_ccb_task_free_done(struct pm8001_hba_info *pm8001_ha,
  					     struct pm8001_ccb_info *ccb)
  {
  	struct sas_task *task = ccb->task;
  
  	pm8001_ccb_task_free(pm8001_ha, ccb);
  	smp_mb(); /*in order to force CPU ordering*/
  	task->task_done(task);
  }
  void pm8001_setds_completion(struct domain_device *dev);
  void pm8001_tmf_aborted(struct sas_task *task);
  
  #endif
  
  