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/**********************************************************************
* 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 dont 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 */
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