drivers/net/fc/tach_structs.h - third_party/linux - Git at Google

 /**********************************************************************
  * iph5526.c: Structures for the Interphase 5526 PCI Fibre Channel
  *			  IP/SCSI driver.
  * Copyright (C) 1999 Vineet M Abraham <vmabraham@hotmail.com>
  **********************************************************************/

 #ifndef _TACH_STRUCT_H
 #define _TACH_STRUCT_H

 typedef struct {
 	u_short cmnd_code;
 	u_short payload_length;
 	u_short type_code;
 	u_short est_image_pair;
 	u_int originator_pa;
 	u_int responder_pa;
 	u_int service_params;
 } PRLI;

 typedef struct {
 	u_int flags_and_byte_offset;
 	u_int byte_count;
 	u_short no_of_recvd_frames;
 	u_short no_of_expected_frames;
 	u_int last_fctl;
 	u_int sdb_address;
 	u_int scratch_pad;
 	u_int expected_ro;
 	u_short buffer_index;
 	u_short buffer_offset;
 	} INB_SEST_ENTRY;

 typedef struct {
 	u_int flags_and_did;
 	u_short max_frame_len;
 	u_short cntl;
 	u_int total_seq_length;
 	u_short link;
 	u_short rx_id;
 	u_int transaction_id;
 	u_int header_address;
 	u_char seq_id;
 	u_char reserved;
 	u_short header_length;
 	u_int edb_address;
 	} OUTB_SEST_ENTRY;

 typedef struct {
 	u_short d_naa;
 	u_short dest_high;
 	u_int dest_low;
 	u_short s_naa;
 	u_short source_high;
 	u_int source_low;
 	} NW_HEADER;

 typedef struct {
 	u_int resv;
 	u_char sof_and_eof;
 	u_char dest_alpa;
 	u_short lcr_and_time_stamp;
 	u_int r_ctl_and_d_id;
 	u_int vc_id_and_s_id;
 	u_int type_and_f_cntl;
 	u_char seq_id;
 	u_char df_cntl;
 	u_short seq_cnt;
 	u_short ox_id;
 	u_short rx_id;
 	u_int ro;
 	NW_HEADER nw_header;
 	} TACHYON_HEADER;

 typedef struct {
 	u_short service_options;
 	u_short initiator_ctl;
 	u_short recipient_ctl;
 	u_short recv_data_field_size;
 	u_short concurrent_sequences;
 	u_short n_port_end_to_end_credit;
 	u_short open_seq_per_exchange;
 	u_short resv;
 	}CLASS_OF_SERVICE;

 typedef struct {
 	u_int logo_cmnd;
 	u_char reserved;
 	u_char n_port_id_2;
 	u_char n_port_id_1;
 	u_char n_port_id_0;
 	u_int port_name_up;
 	u_int port_name_low;
 	} LOGO;

 typedef struct {
 	u_int ls_cmnd_code;
 	u_int hard_address;
 	u_int port_name_high;
 	u_int port_name_low;
 	u_int node_name_high;
 	u_int node_name_low;
 	u_int n_port_id;
 	} ADISC;

 typedef struct {
 	u_int cmnd_code;
 	u_int reason_code;
 	} LS_RJT;

 typedef struct {
 	u_int cmnd_code;
 	} ACC;

 typedef struct  {
 	u_int seq_d_id;
 	u_int tot_len;
 	u_short cntl;
 	u_short rx_id;
 	u_short cs_enable;
 	u_short cs_seed;
 	u_int trans_id;
 	u_int hdr_addr;
 	u_short frame_len;
 	u_short hdr_len;
 	u_int edb_addr;
 	}ODB;

 typedef struct {
 	u_int cmnd_code;
 	u_int reg_function; /* in the last byte */
 	} SCR;

 typedef struct {
 	u_int rev_in_id;
 	u_char fs_type;
 	u_char fs_subtype;
 	u_char options;
 	u_char resv1;
 	u_short cmnd_resp_code;
 	u_short max_res_size;
 	u_char resv2;
 	u_char reason_code;
 	u_char expln_code;
 	u_char vendor_unique;
 	} CT_HDR;

 typedef struct {
 	CT_HDR	 ct_hdr;
 	u_int s_id;
 	u_char bit_map[32]; /* 32 byte bit map */
 	} RFC_4;

 typedef struct {
 	u_int ls_cmnd_code;
 	u_short fc_ph_version;
 	u_short buff_to_buff_credit;
 	u_short common_features;
 	u_short recv_data_field_size;
 	u_short n_port_total_conc_seq;
 	u_short rel_off_by_info_cat;
 	u_int ED_TOV;
 	u_int n_port_name_high;
 	u_int n_port_name_low;
 	u_int node_name_high;
 	u_int node_name_low;
 	CLASS_OF_SERVICE c_of_s[3];
 	u_int resv[4];
 	u_int vendor_version_level[4];
 	}LOGIN;

 typedef struct {
 	CT_HDR	 ct_hdr;
 	u_int port_type; /* in the first byte */
 	} GP_ID4;

 typedef struct  {
 	u_int   buf_addr;
 	u_short ehf;
 	u_short buf_len;
 	}EDB;

 /* (i)chip Registers */
 struct i_chip_regs {
 	u_int	ptr_ichip_hw_control_reg;
 	u_int	ptr_ichip_hw_status_reg;
 	u_int	ptr_ichip_hw_addr_mask_reg;
 };

 struct iph5526_novram {
 	u_int	ptr_novram_hw_control_reg;
 	u_int	ptr_novram_hw_status_reg;
 	u_short data[IPH5526_NOVRAM_SIZE];
 };

 /* Tachyon Registers */
 struct tachyon_regs {
 	u_int    ptr_ocq_base_reg;
 	u_int    ptr_ocq_len_reg;
 	u_int    ptr_ocq_prod_indx_reg;
 	u_int    ptr_ocq_cons_indx_reg;

 	u_int    ptr_imq_base_reg;
 	u_int    ptr_imq_len_reg;
 	u_int    ptr_imq_cons_indx_reg;
 	u_int    ptr_imq_prod_indx_reg;

 	u_int    ptr_mfsbq_base_reg;
 	u_int    ptr_mfsbq_len_reg;
 	u_int    ptr_mfsbq_prod_reg;
 	u_int    ptr_mfsbq_cons_reg;
 	u_int    ptr_mfsbuff_len_reg;

 	u_int    ptr_sfsbq_base_reg;
 	u_int    ptr_sfsbq_len_reg;
 	u_int    ptr_sfsbq_prod_reg;
 	u_int    ptr_sfsbq_cons_reg;
 	u_int    ptr_sfsbuff_len_reg;

 	u_int    ptr_sest_base_reg;
 	u_int    ptr_sest_len_reg;
 	u_int    ptr_scsibuff_len_reg;

 	u_int    ptr_tach_config_reg;
 	u_int    ptr_tach_control_reg;
 	u_int    ptr_tach_status_reg;
 	u_int    ptr_tach_flush_oxid_reg;

 	u_int    ptr_fm_config_reg;
 	u_int    ptr_fm_control_reg;
 	u_int    ptr_fm_status_reg;
 	u_int    ptr_fm_tov_reg;
 	u_int    ptr_fm_wwn_hi_reg;
 	u_int    ptr_fm_wwn_low_reg;
 	u_int    ptr_fm_rx_al_pa_reg;
 };

 struct globals {
 	u_long tachyon_base;
 	u_int *mem_base;
 	u_short ox_id; /* OX_ID used for IP and ELS frames */
 	u_short scsi_oxid; /* OX_ID for SEST entry */
 	u_char seq_id;
 	u_int my_id;
 	u_int my_ddaa; /* my domain and area in a fabric */
 	volatile u_char loop_up;
 	volatile u_char ptp_up; /* we have a point-to-point link */
 	volatile u_char link_up;
 	volatile u_char n_port_try;
 	volatile u_char nport_timer_set;
 	volatile u_char lport_timer_set;
 	/* Hmmm... We don't want to Initialize while closing */
 	u_char dont_init;
 	u_int my_node_name_high;
 	u_int my_node_name_low;
 	u_int my_port_name_high;
 	u_int my_port_name_low;
 	u_char fabric_present;
 	u_char explore_fabric;
 	u_char name_server;
 	u_int my_mtu;
 	u_int *els_buffer[MAX_PENDING_FRAMES]; /* temp space for ELS frames */
 	char *arp_buffer; /* temp space for ARP frames */
 	u_int mfs_buffer_count; /* keep track of MFS buffers used*/
 	u_char scsi_registered;
 	/* variables for port discovery */
 	volatile u_char port_discovery;
 	volatile u_char perform_adisc;
 	u_short alpa_list_index;
 	u_short type_of_frame; /* Could be IP/SCSI Read/SCSI Write*/
 	u_char no_of_targets; /* used to assign target_ids */
 	u_long sem; /* to synchronize between IP and SCSI */
 	u_char e_i;

 	/* the frames */
 	TACHYON_HEADER tach_header;
 	LOGIN login;
 	PRLI prli;
 	LOGO logo;
 	ADISC adisc;
 	LS_RJT ls_rjt;
 	ODB	odb;
 	INB_SEST_ENTRY inb_sest_entry;
 	OUTB_SEST_ENTRY outb_sest_entry;
 	ACC	acc;
 	SCR	scr;
 	EDB	edb;
 	RFC_4 rfc_4;
 	GP_ID4 gp_id4;
 };

 struct queue_variables {
 	/* Indices maintained in host memory.
 	 */
 	u_int *host_ocq_cons_indx, *host_hpcq_cons_indx, *host_imq_prod_indx;
 	u_int *ptr_host_ocq_cons_indx, *ptr_host_hpcq_cons_indx, *ptr_host_imq_prod_indx;

 	/* Variables for Outbound Command Queue (OCQ).
 	 */
 	u_int *ptr_ocq_base;
 	u_int ocq_len, ocq_end;
 	u_int ocq_prod_indx;
 	u_int *ptr_odb[OCQ_LENGTH];

 	/* Variables for Inbound Message Queue (IMQ).
 	 */
 	u_int *ptr_imq_base;
 	u_int imq_len, imq_end;
 	u_int imq_cons_indx;
 	u_int imq_prod_indx;
 	u_int *ptr_imqe[IMQ_LENGTH];

 	u_int *ptr_mfsbq_base;
 	u_int mfsbq_len, mfsbq_end;
 	u_int mfsbq_prod_indx;
 	u_int mfsbq_cons_indx;
 	u_int mfsbuff_len, mfsbuff_end;

 	u_int *ptr_sfsbq_base;
 	u_int sfsbq_len, sfsbq_end;
 	u_int sfsbq_prod_indx;
 	u_int sfsbq_cons_indx;
 	u_int sfsbuff_len, sfsbuff_end;
 	u_int *ptr_sfs_buffers[SFSBQ_LENGTH * NO_OF_ENTRIES];

 	/* Tables for SCSI Transactions */
 	u_int *ptr_sest_base;
 	u_int *ptr_sest[SEST_LENGTH];
 	u_char free_scsi_oxid[SEST_LENGTH];
 	u_int *ptr_sdb_base;
 	u_int *ptr_sdb_slot[NO_OF_SDB_ENTRIES];
 	u_char sdb_slot_status[NO_OF_SDB_ENTRIES];
 	u_int sdb_indx;
 	u_int *ptr_fcp_cmnd_base;
 	u_int *ptr_fcp_cmnd[NO_OF_FCP_CMNDS];
 	u_int fcp_cmnd_indx;

 	/* Table for data to be transmitted.
 	 */
 	u_int *ptr_edb_base;
 	u_int *ptr_edb[EDB_LEN];
 	u_int edb_buffer_indx;
 	volatile u_char free_edb_list[EDB_LEN];

 	/* Table of Tachyon Headers.
 	 */
 	u_int *ptr_tachyon_header[NO_OF_TACH_HEADERS];
 	u_int *ptr_tachyon_header_base;
 	u_int tachyon_header_indx;
 };

 /* Used to match incoming ACCs to ELS requests sent out */
 struct ox_id_els_map {
 	u_short ox_id;
 	u_int els;
 	struct ox_id_els_map *next;
 };


 /* Carries info about individual nodes... stores the info got at login
  * time. Also maintains mapping between MAC->FC addresses
  */
 struct fc_node_info {
 	/* Itz the WWN (8 bytes), the last 6 bytes is the MAC address */
 	u_char hw_addr[PORT_NAME_LEN];
 	u_char node_name[NODE_NAME_LEN];
 	u_int d_id;  /*real FC address, 3 bytes */
 	int mtu;
 	/* login = 1 if login attempted
 	 * login = 2 if login completed
 	 */
 	int login;
 	u_char scsi; /*  = 1 if device is a SCSI Target */
 	u_char target_id;
 	CLASS_OF_SERVICE c_of_s[3];
 	struct fc_node_info *next;
 };

 struct fc_info {
 	char name[8];
 	u_long base_addr;
 	int irq;
 	struct net_device_stats fc_stats;
 	struct fc_node_info *node_info_list;
 	int num_nodes;
 	struct ox_id_els_map *ox_id_list;
 	struct i_chip_regs i_r;
 	struct tachyon_regs t_r;
 	struct queue_variables q;
 	struct globals g;
 	struct iph5526_novram n_r;
 	u_short clone_id;
 	struct timer_list nport_timer;
 	struct timer_list lport_timer;
 	struct timer_list explore_timer;
 	struct timer_list display_cache_timer;
 	struct net_device *dev;
 	struct Scsi_Host *host;
 	spinlock_t fc_lock;
 };

 struct iph5526_hostdata {
 	struct fc_info *fi;
 	fcp_cmd cmnd;
 	Scsi_Cmnd *cmnd_handler[SEST_LENGTH];
 	u_int tag_ages[MAX_SCSI_TARGETS];
 };

 /* List of valid AL_PAs */
 u_char alpa_list[127] = {
 	0x00, 0x01, 0x02, 0x04, 0x08, 0x0F, 0x10, 0x17,
 	0x18, 0x1B, 0x1D, 0x1E, 0x1F, 0x23, 0x25, 0x26,
 	0x27, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x31,
 	0x32, 0x33, 0x34, 0x35, 0x36, 0x39, 0x3A, 0x3C,
 	0x43, 0x45, 0x46, 0x47, 0x49, 0x4A, 0x4B, 0x4C,
 	0x4D, 0x4E, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56,
 	0x59, 0x5A, 0x5C, 0x63, 0x65, 0x66, 0x67, 0x69,
 	0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x71, 0x72, 0x73,
 	0x74, 0x75, 0x76, 0x79, 0x7A, 0x7C, 0x80, 0x81,
 	0x82, 0x84, 0x88, 0x8F, 0x90, 0x97, 0x98, 0x9B,
 	0x9D, 0x9E, 0x9F, 0xA3, 0xA5, 0xA6, 0xA7, 0xA9,
 	0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xB1, 0xB2, 0xB3,
 	0xB4, 0xB5, 0xB6, 0xB9, 0xBA, 0xBC, 0xC3, 0xC5,
 	0xC6, 0xC7, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE,
 	0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD9, 0xDA,
 	0xDC, 0xE0, 0xE1, 0xE2, 0xE4, 0xE8, 0xEF
 };

 #endif /* _TACH_STRUCT_H */
	/**********************************************************************
	* iph5526.c: Structures for the Interphase 5526 PCI Fibre Channel
	* IP/SCSI driver.
	* Copyright (C) 1999 Vineet M Abraham <vmabraham@hotmail.com>
	**********************************************************************/

	#ifndef _TACH_STRUCT_H
	#define _TACH_STRUCT_H

	typedef struct {
	u_short cmnd_code;
	u_short payload_length;
	u_short type_code;
	u_short est_image_pair;
	u_int originator_pa;
	u_int responder_pa;
	u_int service_params;
	} PRLI;

	typedef struct {
	u_int flags_and_byte_offset;
	u_int byte_count;
	u_short no_of_recvd_frames;
	u_short no_of_expected_frames;
	u_int last_fctl;
	u_int sdb_address;
	u_int scratch_pad;
	u_int expected_ro;
	u_short buffer_index;
	u_short buffer_offset;
	} INB_SEST_ENTRY;

	typedef struct {
	u_int flags_and_did;
	u_short max_frame_len;
	u_short cntl;
	u_int total_seq_length;
	u_short link;
	u_short rx_id;
	u_int transaction_id;
	u_int header_address;
	u_char seq_id;
	u_char reserved;
	u_short header_length;
	u_int edb_address;
	} OUTB_SEST_ENTRY;

	typedef struct {
	u_short d_naa;
	u_short dest_high;
	u_int dest_low;
	u_short s_naa;
	u_short source_high;
	u_int source_low;
	} NW_HEADER;

	typedef struct {
	u_int resv;
	u_char sof_and_eof;
	u_char dest_alpa;
	u_short lcr_and_time_stamp;
	u_int r_ctl_and_d_id;
	u_int vc_id_and_s_id;
	u_int type_and_f_cntl;
	u_char seq_id;
	u_char df_cntl;
	u_short seq_cnt;
	u_short ox_id;
	u_short rx_id;
	u_int ro;
	NW_HEADER nw_header;
	} TACHYON_HEADER;

	typedef struct {
	u_short service_options;
	u_short initiator_ctl;
	u_short recipient_ctl;
	u_short recv_data_field_size;
	u_short concurrent_sequences;
	u_short n_port_end_to_end_credit;
	u_short open_seq_per_exchange;
	u_short resv;
	}CLASS_OF_SERVICE;

	typedef struct {
	u_int logo_cmnd;
	u_char reserved;
	u_char n_port_id_2;
	u_char n_port_id_1;
	u_char n_port_id_0;
	u_int port_name_up;
	u_int port_name_low;
	} LOGO;

	typedef struct {
	u_int ls_cmnd_code;
	u_int hard_address;
	u_int port_name_high;
	u_int port_name_low;
	u_int node_name_high;
	u_int node_name_low;
	u_int n_port_id;
	} ADISC;

	typedef struct {
	u_int cmnd_code;
	u_int reason_code;
	} LS_RJT;

	typedef struct {
	u_int cmnd_code;
	} ACC;

	typedef struct {
	u_int seq_d_id;
	u_int tot_len;
	u_short cntl;
	u_short rx_id;
	u_short cs_enable;
	u_short cs_seed;
	u_int trans_id;
	u_int hdr_addr;
	u_short frame_len;
	u_short hdr_len;
	u_int edb_addr;
	}ODB;

	typedef struct {
	u_int cmnd_code;
	u_int reg_function; /* in the last byte */
	} SCR;

	typedef struct {
	u_int rev_in_id;
	u_char fs_type;
	u_char fs_subtype;
	u_char options;
	u_char resv1;
	u_short cmnd_resp_code;
	u_short max_res_size;
	u_char resv2;
	u_char reason_code;
	u_char expln_code;
	u_char vendor_unique;
	} CT_HDR;

	typedef struct {
	CT_HDR ct_hdr;
	u_int s_id;
	u_char bit_map[32]; /* 32 byte bit map */
	} RFC_4;

	typedef struct {
	u_int ls_cmnd_code;
	u_short fc_ph_version;
	u_short buff_to_buff_credit;
	u_short common_features;
	u_short recv_data_field_size;
	u_short n_port_total_conc_seq;
	u_short rel_off_by_info_cat;
	u_int ED_TOV;
	u_int n_port_name_high;
	u_int n_port_name_low;
	u_int node_name_high;
	u_int node_name_low;
	CLASS_OF_SERVICE c_of_s[3];
	u_int resv[4];
	u_int vendor_version_level[4];
	}LOGIN;

	typedef struct {
	CT_HDR ct_hdr;
	u_int port_type; /* in the first byte */
	} GP_ID4;

	typedef struct {
	u_int buf_addr;
	u_short ehf;
	u_short buf_len;
	}EDB;

	/* (i)chip Registers */
	struct i_chip_regs {
	u_int ptr_ichip_hw_control_reg;
	u_int ptr_ichip_hw_status_reg;
	u_int ptr_ichip_hw_addr_mask_reg;
	};

	struct iph5526_novram {
	u_int ptr_novram_hw_control_reg;
	u_int ptr_novram_hw_status_reg;
	u_short data[IPH5526_NOVRAM_SIZE];
	};

	/* Tachyon Registers */
	struct tachyon_regs {
	u_int ptr_ocq_base_reg;
	u_int ptr_ocq_len_reg;
	u_int ptr_ocq_prod_indx_reg;
	u_int ptr_ocq_cons_indx_reg;

	u_int ptr_imq_base_reg;
	u_int ptr_imq_len_reg;
	u_int ptr_imq_cons_indx_reg;
	u_int ptr_imq_prod_indx_reg;

	u_int ptr_mfsbq_base_reg;
	u_int ptr_mfsbq_len_reg;
	u_int ptr_mfsbq_prod_reg;
	u_int ptr_mfsbq_cons_reg;
	u_int ptr_mfsbuff_len_reg;

	u_int ptr_sfsbq_base_reg;
	u_int ptr_sfsbq_len_reg;
	u_int ptr_sfsbq_prod_reg;
	u_int ptr_sfsbq_cons_reg;
	u_int ptr_sfsbuff_len_reg;

	u_int ptr_sest_base_reg;
	u_int ptr_sest_len_reg;
	u_int ptr_scsibuff_len_reg;

	u_int ptr_tach_config_reg;
	u_int ptr_tach_control_reg;
	u_int ptr_tach_status_reg;
	u_int ptr_tach_flush_oxid_reg;

	u_int ptr_fm_config_reg;
	u_int ptr_fm_control_reg;
	u_int ptr_fm_status_reg;
	u_int ptr_fm_tov_reg;
	u_int ptr_fm_wwn_hi_reg;
	u_int ptr_fm_wwn_low_reg;
	u_int ptr_fm_rx_al_pa_reg;
	};

	struct globals {
	u_long tachyon_base;
	u_int *mem_base;
	u_short ox_id; /* OX_ID used for IP and ELS frames */
	u_short scsi_oxid; /* OX_ID for SEST entry */
	u_char seq_id;
	u_int my_id;
	u_int my_ddaa; /* my domain and area in a fabric */
	volatile u_char loop_up;
	volatile u_char ptp_up; /* we have a point-to-point link */
	volatile u_char link_up;
	volatile u_char n_port_try;
	volatile u_char nport_timer_set;
	volatile u_char lport_timer_set;
	/* Hmmm... We don't want to Initialize while closing */
	u_char dont_init;
	u_int my_node_name_high;
	u_int my_node_name_low;
	u_int my_port_name_high;
	u_int my_port_name_low;
	u_char fabric_present;
	u_char explore_fabric;
	u_char name_server;
	u_int my_mtu;
	u_int els_buffer[MAX_PENDING_FRAMES]; / temp space for ELS frames */
	char arp_buffer; / temp space for ARP frames */
	u_int mfs_buffer_count; /* keep track of MFS buffers used*/
	u_char scsi_registered;
	/* variables for port discovery */
	volatile u_char port_discovery;
	volatile u_char perform_adisc;
	u_short alpa_list_index;
	u_short type_of_frame; /* Could be IP/SCSI Read/SCSI Write*/
	u_char no_of_targets; /* used to assign target_ids */
	u_long sem; /* to synchronize between IP and SCSI */
	u_char e_i;

	/* the frames */
	TACHYON_HEADER tach_header;
	LOGIN login;
	PRLI prli;
	LOGO logo;
	ADISC adisc;
	LS_RJT ls_rjt;
	ODB odb;
	INB_SEST_ENTRY inb_sest_entry;
	OUTB_SEST_ENTRY outb_sest_entry;
	ACC acc;
	SCR scr;
	EDB edb;
	RFC_4 rfc_4;
	GP_ID4 gp_id4;
	};

	struct queue_variables {
	/* Indices maintained in host memory.
	*/
	u_int host_ocq_cons_indx, host_hpcq_cons_indx, *host_imq_prod_indx;
	u_int ptr_host_ocq_cons_indx, ptr_host_hpcq_cons_indx, *ptr_host_imq_prod_indx;

	/* Variables for Outbound Command Queue (OCQ).
	*/
	u_int *ptr_ocq_base;
	u_int ocq_len, ocq_end;
	u_int ocq_prod_indx;
	u_int *ptr_odb[OCQ_LENGTH];

	/* Variables for Inbound Message Queue (IMQ).
	*/
	u_int *ptr_imq_base;
	u_int imq_len, imq_end;
	u_int imq_cons_indx;
	u_int imq_prod_indx;
	u_int *ptr_imqe[IMQ_LENGTH];

	u_int *ptr_mfsbq_base;
	u_int mfsbq_len, mfsbq_end;
	u_int mfsbq_prod_indx;
	u_int mfsbq_cons_indx;
	u_int mfsbuff_len, mfsbuff_end;

	u_int *ptr_sfsbq_base;
	u_int sfsbq_len, sfsbq_end;
	u_int sfsbq_prod_indx;
	u_int sfsbq_cons_indx;
	u_int sfsbuff_len, sfsbuff_end;
	u_int ptr_sfs_buffers[SFSBQ_LENGTH NO_OF_ENTRIES];

	/* Tables for SCSI Transactions */
	u_int *ptr_sest_base;
	u_int *ptr_sest[SEST_LENGTH];
	u_char free_scsi_oxid[SEST_LENGTH];
	u_int *ptr_sdb_base;
	u_int *ptr_sdb_slot[NO_OF_SDB_ENTRIES];
	u_char sdb_slot_status[NO_OF_SDB_ENTRIES];
	u_int sdb_indx;
	u_int *ptr_fcp_cmnd_base;
	u_int *ptr_fcp_cmnd[NO_OF_FCP_CMNDS];
	u_int fcp_cmnd_indx;

	/* Table for data to be transmitted.
	*/
	u_int *ptr_edb_base;
	u_int *ptr_edb[EDB_LEN];
	u_int edb_buffer_indx;
	volatile u_char free_edb_list[EDB_LEN];

	/* Table of Tachyon Headers.
	*/
	u_int *ptr_tachyon_header[NO_OF_TACH_HEADERS];
	u_int *ptr_tachyon_header_base;
	u_int tachyon_header_indx;
	};

	/* Used to match incoming ACCs to ELS requests sent out */
	struct ox_id_els_map {
	u_short ox_id;
	u_int els;
	struct ox_id_els_map *next;
	};


	/* Carries info about individual nodes... stores the info got at login
	* time. Also maintains mapping between MAC->FC addresses
	*/
	struct fc_node_info {
	/* Itz the WWN (8 bytes), the last 6 bytes is the MAC address */
	u_char hw_addr[PORT_NAME_LEN];
	u_char node_name[NODE_NAME_LEN];
	u_int d_id; /real FC address, 3 bytes /
	int mtu;
	/* login = 1 if login attempted
	* login = 2 if login completed
	*/
	int login;
	u_char scsi; /* = 1 if device is a SCSI Target */
	u_char target_id;
	CLASS_OF_SERVICE c_of_s[3];
	struct fc_node_info *next;
	};

	struct fc_info {
	char name[8];
	u_long base_addr;
	int irq;
	struct net_device_stats fc_stats;
	struct fc_node_info *node_info_list;
	int num_nodes;
	struct ox_id_els_map *ox_id_list;
	struct i_chip_regs i_r;
	struct tachyon_regs t_r;
	struct queue_variables q;
	struct globals g;
	struct iph5526_novram n_r;
	u_short clone_id;
	struct timer_list nport_timer;
	struct timer_list lport_timer;
	struct timer_list explore_timer;
	struct timer_list display_cache_timer;
	struct net_device *dev;
	struct Scsi_Host *host;
	spinlock_t fc_lock;
	};

	struct iph5526_hostdata {
	struct fc_info *fi;
	fcp_cmd cmnd;
	Scsi_Cmnd *cmnd_handler[SEST_LENGTH];
	u_int tag_ages[MAX_SCSI_TARGETS];
	};

	/* List of valid AL_PAs */
	u_char alpa_list[127] = {
	0x00, 0x01, 0x02, 0x04, 0x08, 0x0F, 0x10, 0x17,
	0x18, 0x1B, 0x1D, 0x1E, 0x1F, 0x23, 0x25, 0x26,
	0x27, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x31,
	0x32, 0x33, 0x34, 0x35, 0x36, 0x39, 0x3A, 0x3C,
	0x43, 0x45, 0x46, 0x47, 0x49, 0x4A, 0x4B, 0x4C,
	0x4D, 0x4E, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56,
	0x59, 0x5A, 0x5C, 0x63, 0x65, 0x66, 0x67, 0x69,
	0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x71, 0x72, 0x73,
	0x74, 0x75, 0x76, 0x79, 0x7A, 0x7C, 0x80, 0x81,
	0x82, 0x84, 0x88, 0x8F, 0x90, 0x97, 0x98, 0x9B,
	0x9D, 0x9E, 0x9F, 0xA3, 0xA5, 0xA6, 0xA7, 0xA9,
	0xAA, 0xAB, 0xAC, 0xAD, 0xAE, 0xB1, 0xB2, 0xB3,
	0xB4, 0xB5, 0xB6, 0xB9, 0xBA, 0xBC, 0xC3, 0xC5,
	0xC6, 0xC7, 0xC9, 0xCA, 0xCB, 0xCC, 0xCD, 0xCE,
	0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6, 0xD9, 0xDA,
	0xDC, 0xE0, 0xE1, 0xE2, 0xE4, 0xE8, 0xEF
	};

	#endif /* _TACH_STRUCT_H */