ipr.h

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	__be16 ret_stat_len;	/* Length of the returned IOASA */

	__be16 avail_stat_len;	/* Total Length of status available. */

	__be32 residual_data_len;	/* number of bytes in the host data */
	/* buffers that were not used by the IOARCB command. */

	__be32 ilid;
#define IPR_NO_ILID			0
#define IPR_DRIVER_ILID		0xffffffff

	__be32 fd_ioasc;

	__be32 fd_phys_locator;

	__be32 fd_res_handle;

	__be32 ioasc_specific;	/* status code specific field */
#define IPR_ADDITIONAL_STATUS_FMT		0x80000000
#define IPR_AUTOSENSE_VALID			0x40000000
#define IPR_ATA_DEVICE_WAS_RESET		0x20000000
#define IPR_IOASC_SPECIFIC_MASK		0x00ffffff
#define IPR_FIELD_POINTER_VALID		(0x80000000 >> 8)
#define IPR_FIELD_POINTER_MASK		0x0000ffff

	union {
		struct ipr_ioasa_vset vset;
		struct ipr_ioasa_af_dasd dasd;
		struct ipr_ioasa_gpdd gpdd;
		struct ipr_ioasa_gata gata;
	} u;

	struct ipr_auto_sense auto_sense;
}__attribute__((packed, aligned (4)));

struct ipr_mode_parm_hdr {
	u8 length;
	u8 medium_type;
	u8 device_spec_parms;
	u8 block_desc_len;
}__attribute__((packed));

struct ipr_mode_pages {
	struct ipr_mode_parm_hdr hdr;
	u8 data[255 - sizeof(struct ipr_mode_parm_hdr)];
}__attribute__((packed));

struct ipr_mode_page_hdr {
	u8 ps_page_code;
#define IPR_MODE_PAGE_PS	0x80
#define IPR_GET_MODE_PAGE_CODE(hdr) ((hdr)->ps_page_code & 0x3F)
	u8 page_length;
}__attribute__ ((packed));

struct ipr_dev_bus_entry {
	struct ipr_res_addr res_addr;
	u8 flags;
#define IPR_SCSI_ATTR_ENABLE_QAS			0x80
#define IPR_SCSI_ATTR_DISABLE_QAS			0x40
#define IPR_SCSI_ATTR_QAS_MASK				0xC0
#define IPR_SCSI_ATTR_ENABLE_TM				0x20
#define IPR_SCSI_ATTR_NO_TERM_PWR			0x10
#define IPR_SCSI_ATTR_TM_SUPPORTED			0x08
#define IPR_SCSI_ATTR_LVD_TO_SE_NOT_ALLOWED	0x04

	u8 scsi_id;
	u8 bus_width;
	u8 extended_reset_delay;
#define IPR_EXTENDED_RESET_DELAY	7

	__be32 max_xfer_rate;

	u8 spinup_delay;
	u8 reserved3;
	__be16 reserved4;
}__attribute__((packed, aligned (4)));

struct ipr_mode_page28 {
	struct ipr_mode_page_hdr hdr;
	u8 num_entries;
	u8 entry_length;
	struct ipr_dev_bus_entry bus[0];
}__attribute__((packed));

struct ipr_mode_page24 {
	struct ipr_mode_page_hdr hdr;
	u8 flags;
#define IPR_ENABLE_DUAL_IOA_AF 0x80
}__attribute__((packed));

struct ipr_ioa_vpd {
	struct ipr_std_inq_data std_inq_data;
	u8 ascii_part_num[12];
	u8 reserved[40];
	u8 ascii_plant_code[4];
}__attribute__((packed));

struct ipr_inquiry_page3 {
	u8 peri_qual_dev_type;
	u8 page_code;
	u8 reserved1;
	u8 page_length;
	u8 ascii_len;
	u8 reserved2[3];
	u8 load_id[4];
	u8 major_release;
	u8 card_type;
	u8 minor_release[2];
	u8 ptf_number[4];
	u8 patch_number[4];
}__attribute__((packed));

struct ipr_inquiry_cap {
	u8 peri_qual_dev_type;
	u8 page_code;
	u8 reserved1;
	u8 page_length;
	u8 ascii_len;
	u8 reserved2;
	u8 sis_version[2];
	u8 cap;
#define IPR_CAP_DUAL_IOA_RAID		0x80
	u8 reserved3[15];
}__attribute__((packed));

#define IPR_INQUIRY_PAGE0_ENTRIES 20
struct ipr_inquiry_page0 {
	u8 peri_qual_dev_type;
	u8 page_code;
	u8 reserved1;
	u8 len;
	u8 page[IPR_INQUIRY_PAGE0_ENTRIES];
}__attribute__((packed));

struct ipr_hostrcb_device_data_entry {
	struct ipr_vpd vpd;
	struct ipr_res_addr dev_res_addr;
	struct ipr_vpd new_vpd;
	struct ipr_vpd ioa_last_with_dev_vpd;
	struct ipr_vpd cfc_last_with_dev_vpd;
	__be32 ioa_data[5];
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_device_data_entry_enhanced {
	struct ipr_ext_vpd vpd;
	u8 ccin[4];
	struct ipr_res_addr dev_res_addr;
	struct ipr_ext_vpd new_vpd;
	u8 new_ccin[4];
	struct ipr_ext_vpd ioa_last_with_dev_vpd;
	struct ipr_ext_vpd cfc_last_with_dev_vpd;
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_array_data_entry {
	struct ipr_vpd vpd;
	struct ipr_res_addr expected_dev_res_addr;
	struct ipr_res_addr dev_res_addr;
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_array_data_entry_enhanced {
	struct ipr_ext_vpd vpd;
	u8 ccin[4];
	struct ipr_res_addr expected_dev_res_addr;
	struct ipr_res_addr dev_res_addr;
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_type_ff_error {
	__be32 ioa_data[502];
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_type_01_error {
	__be32 seek_counter;
	__be32 read_counter;
	u8 sense_data[32];
	__be32 ioa_data[236];
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_type_02_error {
	struct ipr_vpd ioa_vpd;
	struct ipr_vpd cfc_vpd;
	struct ipr_vpd ioa_last_attached_to_cfc_vpd;
	struct ipr_vpd cfc_last_attached_to_ioa_vpd;
	__be32 ioa_data[3];
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_type_12_error {
	struct ipr_ext_vpd ioa_vpd;
	struct ipr_ext_vpd cfc_vpd;
	struct ipr_ext_vpd ioa_last_attached_to_cfc_vpd;
	struct ipr_ext_vpd cfc_last_attached_to_ioa_vpd;
	__be32 ioa_data[3];
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_type_03_error {
	struct ipr_vpd ioa_vpd;
	struct ipr_vpd cfc_vpd;
	__be32 errors_detected;
	__be32 errors_logged;
	u8 ioa_data[12];
	struct ipr_hostrcb_device_data_entry dev[3];
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_type_13_error {
	struct ipr_ext_vpd ioa_vpd;
	struct ipr_ext_vpd cfc_vpd;
	__be32 errors_detected;
	__be32 errors_logged;
	struct ipr_hostrcb_device_data_entry_enhanced dev[3];
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_type_04_error {
	struct ipr_vpd ioa_vpd;
	struct ipr_vpd cfc_vpd;
	u8 ioa_data[12];
	struct ipr_hostrcb_array_data_entry array_member[10];
	__be32 exposed_mode_adn;
	__be32 array_id;
	struct ipr_vpd incomp_dev_vpd;
	__be32 ioa_data2;
	struct ipr_hostrcb_array_data_entry array_member2[8];
	struct ipr_res_addr last_func_vset_res_addr;
	u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
	u8 protection_level[8];
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_type_14_error {
	struct ipr_ext_vpd ioa_vpd;
	struct ipr_ext_vpd cfc_vpd;
	__be32 exposed_mode_adn;
	__be32 array_id;
	struct ipr_res_addr last_func_vset_res_addr;
	u8 vset_serial_num[IPR_SERIAL_NUM_LEN];
	u8 protection_level[8];
	__be32 num_entries;
	struct ipr_hostrcb_array_data_entry_enhanced array_member[18];
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_type_07_error {
	u8 failure_reason[64];
	struct ipr_vpd vpd;
	u32 data[222];
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_type_17_error {
	u8 failure_reason[64];
	struct ipr_ext_vpd vpd;
	u32 data[476];
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_config_element {
	u8 type_status;
#define IPR_PATH_CFG_TYPE_MASK	0xF0
#define IPR_PATH_CFG_NOT_EXIST	0x00
#define IPR_PATH_CFG_IOA_PORT		0x10
#define IPR_PATH_CFG_EXP_PORT		0x20
#define IPR_PATH_CFG_DEVICE_PORT	0x30
#define IPR_PATH_CFG_DEVICE_LUN	0x40

#define IPR_PATH_CFG_STATUS_MASK	0x0F
#define IPR_PATH_CFG_NO_PROB		0x00
#define IPR_PATH_CFG_DEGRADED		0x01
#define IPR_PATH_CFG_FAILED		0x02
#define IPR_PATH_CFG_SUSPECT		0x03
#define IPR_PATH_NOT_DETECTED		0x04
#define IPR_PATH_INCORRECT_CONN	0x05

	u8 cascaded_expander;
	u8 phy;
	u8 link_rate;
#define IPR_PHY_LINK_RATE_MASK	0x0F

	__be32 wwid[2];
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_fabric_desc {
	__be16 length;
	u8 ioa_port;
	u8 cascaded_expander;
	u8 phy;
	u8 path_state;
#define IPR_PATH_ACTIVE_MASK		0xC0
#define IPR_PATH_NO_INFO		0x00
#define IPR_PATH_ACTIVE			0x40
#define IPR_PATH_NOT_ACTIVE		0x80

#define IPR_PATH_STATE_MASK		0x0F
#define IPR_PATH_STATE_NO_INFO	0x00
#define IPR_PATH_HEALTHY		0x01
#define IPR_PATH_DEGRADED		0x02
#define IPR_PATH_FAILED			0x03

	__be16 num_entries;
	struct ipr_hostrcb_config_element elem[1];
}__attribute__((packed, aligned (4)));

#define for_each_fabric_cfg(fabric, cfg) \
		for (cfg = (fabric)->elem; \
			cfg < ((fabric)->elem + be16_to_cpu((fabric)->num_entries)); \
			cfg++)

struct ipr_hostrcb_type_20_error {
	u8 failure_reason[64];
	u8 reserved[3];
	u8 num_entries;
	struct ipr_hostrcb_fabric_desc desc[1];
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_error {
	__be32 failing_dev_ioasc;
	struct ipr_res_addr failing_dev_res_addr;
	__be32 failing_dev_res_handle;
	__be32 prc;
	union {
		struct ipr_hostrcb_type_ff_error type_ff_error;
		struct ipr_hostrcb_type_01_error type_01_error;
		struct ipr_hostrcb_type_02_error type_02_error;
		struct ipr_hostrcb_type_03_error type_03_error;
		struct ipr_hostrcb_type_04_error type_04_error;
		struct ipr_hostrcb_type_07_error type_07_error;
		struct ipr_hostrcb_type_12_error type_12_error;
		struct ipr_hostrcb_type_13_error type_13_error;
		struct ipr_hostrcb_type_14_error type_14_error;
		struct ipr_hostrcb_type_17_error type_17_error;
		struct ipr_hostrcb_type_20_error type_20_error;
	} u;
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb_raw {
	__be32 data[sizeof(struct ipr_hostrcb_error)/sizeof(__be32)];
}__attribute__((packed, aligned (4)));

struct ipr_hcam {
	u8 op_code;
#define IPR_HOST_RCB_OP_CODE_CONFIG_CHANGE			0xE1
#define IPR_HOST_RCB_OP_CODE_LOG_DATA				0xE2

	u8 notify_type;
#define IPR_HOST_RCB_NOTIF_TYPE_EXISTING_CHANGED	0x00
#define IPR_HOST_RCB_NOTIF_TYPE_NEW_ENTRY			0x01
#define IPR_HOST_RCB_NOTIF_TYPE_REM_ENTRY			0x02
#define IPR_HOST_RCB_NOTIF_TYPE_ERROR_LOG_ENTRY		0x10
#define IPR_HOST_RCB_NOTIF_TYPE_INFORMATION_ENTRY	0x11

	u8 notifications_lost;
#define IPR_HOST_RCB_NO_NOTIFICATIONS_LOST			0
#define IPR_HOST_RCB_NOTIFICATIONS_LOST				0x80

	u8 flags;
#define IPR_HOSTRCB_INTERNAL_OPER	0x80
#define IPR_HOSTRCB_ERR_RESP_SENT	0x40

	u8 overlay_id;
#define IPR_HOST_RCB_OVERLAY_ID_1				0x01
#define IPR_HOST_RCB_OVERLAY_ID_2				0x02
#define IPR_HOST_RCB_OVERLAY_ID_3				0x03
#define IPR_HOST_RCB_OVERLAY_ID_4				0x04
#define IPR_HOST_RCB_OVERLAY_ID_6				0x06
#define IPR_HOST_RCB_OVERLAY_ID_7				0x07
#define IPR_HOST_RCB_OVERLAY_ID_12				0x12
#define IPR_HOST_RCB_OVERLAY_ID_13				0x13
#define IPR_HOST_RCB_OVERLAY_ID_14				0x14
#define IPR_HOST_RCB_OVERLAY_ID_16				0x16
#define IPR_HOST_RCB_OVERLAY_ID_17				0x17
#define IPR_HOST_RCB_OVERLAY_ID_20				0x20
#define IPR_HOST_RCB_OVERLAY_ID_DEFAULT			0xFF

	u8 reserved1[3];
	__be32 ilid;
	__be32 time_since_last_ioa_reset;
	__be32 reserved2;
	__be32 length;

	union {
		struct ipr_hostrcb_error error;
		struct ipr_hostrcb_cfg_ch_not ccn;
		struct ipr_hostrcb_raw raw;
	} u;
}__attribute__((packed, aligned (4)));

struct ipr_hostrcb {
	struct ipr_hcam hcam;
	dma_addr_t hostrcb_dma;
	struct list_head queue;
	struct ipr_ioa_cfg *ioa_cfg;
};

/* IPR smart dump table structures */
struct ipr_sdt_entry {
	__be32 bar_str_offset;
	__be32 end_offset;
	u8 entry_byte;
	u8 reserved[3];

	u8 flags;
#define IPR_SDT_ENDIAN		0x80
#define IPR_SDT_VALID_ENTRY	0x20

	u8 resv;
	__be16 priority;
}__attribute__((packed, aligned (4)));

struct ipr_sdt_header {
	__be32 state;
	__be32 num_entries;
	__be32 num_entries_used;
	__be32 dump_size;
}__attribute__((packed, aligned (4)));

struct ipr_sdt {
	struct ipr_sdt_header hdr;
	struct ipr_sdt_entry entry[IPR_NUM_SDT_ENTRIES];
}__attribute__((packed, aligned (4)));

struct ipr_uc_sdt {
	struct ipr_sdt_header hdr;
	struct ipr_sdt_entry entry[1];
}__attribute__((packed, aligned (4)));

/*
 * Driver types
 */
struct ipr_bus_attributes {
	u8 bus;
	u8 qas_enabled;
	u8 bus_width;
	u8 reserved;
	u32 max_xfer_rate;
};

struct ipr_sata_port {
	struct ipr_ioa_cfg *ioa_cfg;
	struct ata_port *ap;
	struct ipr_resource_entry *res;
	struct ipr_ioasa_gata ioasa;
};

struct ipr_resource_entry {
	struct ipr_config_table_entry cfgte;
	u8 needs_sync_complete:1;
	u8 in_erp:1;
	u8 add_to_ml:1;
	u8 del_from_ml:1;
	u8 resetting_device:1;

	struct scsi_device *sdev;
	struct ipr_sata_port *sata_port;
	struct list_head queue;
};

struct ipr_resource_hdr {
	u16 num_entries;
	u16 reserved;
};

struct ipr_resource_table {
	struct ipr_resource_hdr hdr;
	struct ipr_resource_entry dev[IPR_MAX_PHYSICAL_DEVS];
};

struct ipr_misc_cbs {
	struct ipr_ioa_vpd ioa_vpd;
	struct ipr_inquiry_page0 page0_data;
	struct ipr_inquiry_page3 page3_data;
	struct ipr_inquiry_cap cap;
	struct ipr_mode_pages mode_pages;
	struct ipr_supported_device supp_dev;
};

struct ipr_interrupt_offsets {
	unsigned long set_interrupt_mask_reg;
	unsigned long clr_interrupt_mask_reg;
	unsigned long sense_interrupt_mask_reg;
	unsigned long clr_interrupt_reg;

	unsigned long sense_interrupt_reg;
	unsigned long ioarrin_reg;
	unsigned long sense_uproc_interrupt_reg;
	unsigned long set_uproc_interrupt_reg;
	unsigned long clr_uproc_interrupt_reg;
};

struct ipr_interrupts {
	void __iomem *set_interrupt_mask_reg;
	void __iomem *clr_interrupt_mask_reg;
	void __iomem *sense_interrupt_mask_reg;
	void __iomem *clr_interrupt_reg;

	void __iomem *sense_interrupt_reg;
	void __iomem *ioarrin_reg;
	void __iomem *sense_uproc_interrupt_reg;
	void __iomem *set_uproc_interrupt_reg;
	void __iomem *clr_uproc_interrupt_reg;
};

struct ipr_chip_cfg_t {
	u32 mailbox;
	u8 cache_line_size;
	struct ipr_interrupt_offsets regs;
};

struct ipr_chip_t {
	u16 vendor;
	u16 device;
	const struct ipr_chip_cfg_t *cfg;
};

enum ipr_shutdown_type {
	IPR_SHUTDOWN_NORMAL = 0x00,
	IPR_SHUTDOWN_PREPARE_FOR_NORMAL = 0x40,
	IPR_SHUTDOWN_ABBREV = 0x80,
	IPR_SHUTDOWN_NONE = 0x100
};

struct ipr_trace_entry {
	u32 time;

	u8 op_code;
	u8 ata_op_code;
	u8 type;
#define IPR_TRACE_START			0x00
#define IPR_TRACE_FINISH		0xff
	u8 cmd_index;