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/*
* This file is part of the zfcp device driver for
* FCP adapters for IBM System z9 and zSeries.
*
* Copyright IBM Corp. 2008, 2009
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef ZFCP_DBF_H
#define ZFCP_DBF_H
#include "zfcp_fsf.h"
#define ZFCP_DBF_TAG_SIZE 4
#define ZFCP_DBF_ID_SIZE 7
struct zfcp_dbf_dump {
u8 tag[ZFCP_DBF_TAG_SIZE];
u32 total_size; /* size of total dump data */
u32 offset; /* how much data has being already dumped */
u32 size; /* how much data comes with this record */
u8 data[]; /* dump data */
} __attribute__ ((packed));
struct zfcp_rec_dbf_record_thread {
u32 total;
u32 ready;
u32 running;
};
struct zfcp_rec_dbf_record_target {
u64 ref;
u32 status;
u32 d_id;
u64 wwpn;
u64 fcp_lun;
u32 erp_count;
};
struct zfcp_rec_dbf_record_trigger {
u8 want;
u8 need;
u32 as;
u32 ps;
u32 us;
u64 ref;
u64 action;
u64 wwpn;
u64 fcp_lun;
};
struct zfcp_rec_dbf_record_action {
u32 status;
u32 step;
u64 action;
u64 fsf_req;
};
struct zfcp_rec_dbf_record {
u8 id;
char id2[7];
union {
struct zfcp_rec_dbf_record_action action;
struct zfcp_rec_dbf_record_thread thread;
struct zfcp_rec_dbf_record_target target;
struct zfcp_rec_dbf_record_trigger trigger;
} u;
};
enum {
ZFCP_REC_DBF_ID_ACTION,
ZFCP_REC_DBF_ID_THREAD,
ZFCP_REC_DBF_ID_TARGET,
ZFCP_REC_DBF_ID_TRIGGER,
};
struct zfcp_hba_dbf_record_response {
u32 fsf_command;
u64 fsf_reqid;
u32 fsf_seqno;
u64 fsf_issued;
u32 fsf_prot_status;
u32 fsf_status;
u8 fsf_prot_status_qual[FSF_PROT_STATUS_QUAL_SIZE];
u8 fsf_status_qual[FSF_STATUS_QUALIFIER_SIZE];
u32 fsf_req_status;
u8 sbal_first;
u8 sbal_last;
u8 sbal_response;
u8 pool;
u64 erp_action;
union {
struct {
u64 cmnd;
u64 serial;
} fcp;
struct {
u64 wwpn;
u32 d_id;
u32 port_handle;
} port;
struct {
u64 wwpn;
u64 fcp_lun;
u32 port_handle;
u32 lun_handle;
} unit;
struct {
u32 d_id;
u8 ls_code;
} els;
} u;
} __attribute__ ((packed));
struct zfcp_hba_dbf_record_status {
u8 failed;
u32 status_type;
u32 status_subtype;
struct fsf_queue_designator
queue_designator;
u32 payload_size;
#define ZFCP_DBF_UNSOL_PAYLOAD 80
#define ZFCP_DBF_UNSOL_PAYLOAD_SENSE_DATA_AVAIL 32
#define ZFCP_DBF_UNSOL_PAYLOAD_BIT_ERROR_THRESHOLD 56
#define ZFCP_DBF_UNSOL_PAYLOAD_FEATURE_UPDATE_ALERT 2 * sizeof(u32)
u8 payload[ZFCP_DBF_UNSOL_PAYLOAD];
} __attribute__ ((packed));
struct zfcp_hba_dbf_record_qdio {
u32 qdio_error;
u8 sbal_index;
u8 sbal_count;
} __attribute__ ((packed));
struct zfcp_hba_dbf_record {
u8 tag[ZFCP_DBF_TAG_SIZE];
u8 tag2[ZFCP_DBF_TAG_SIZE];
union {
struct zfcp_hba_dbf_record_response response;
struct zfcp_hba_dbf_record_status status;
struct zfcp_hba_dbf_record_qdio qdio;
struct fsf_bit_error_payload berr;
} u;
} __attribute__ ((packed));
struct zfcp_san_dbf_record_ct_request {
u16 cmd_req_code;
u8 revision;
u8 gs_type;
u8 gs_subtype;
u8 options;
u16 max_res_size;
u32 len;
} __attribute__ ((packed));
struct zfcp_san_dbf_record_ct_response {
u16 cmd_rsp_code;
u8 revision;
u8 reason_code;
u8 expl;
u8 vendor_unique;
u16 max_res_size;
u32 len;
} __attribute__ ((packed));
struct zfcp_san_dbf_record_els {
u8 ls_code;
u32 len;
} __attribute__ ((packed));
struct zfcp_san_dbf_record {
u8 tag[ZFCP_DBF_TAG_SIZE];
u64 fsf_reqid;
u32 fsf_seqno;
u32 s_id;
u32 d_id;
union {
struct zfcp_san_dbf_record_ct_request ct_req;
struct zfcp_san_dbf_record_ct_response ct_resp;
struct zfcp_san_dbf_record_els els;
} u;
#define ZFCP_DBF_SAN_MAX_PAYLOAD 1024
u8 payload[32];
} __attribute__ ((packed));
struct zfcp_scsi_dbf_record {
u8 tag[ZFCP_DBF_TAG_SIZE];
u8 tag2[ZFCP_DBF_TAG_SIZE];
u32 scsi_id;
u32 scsi_lun;
u32 scsi_result;
u64 scsi_cmnd;
u64 scsi_serial;
#define ZFCP_DBF_SCSI_OPCODE 16
u8 scsi_opcode[ZFCP_DBF_SCSI_OPCODE];
u8 scsi_retries;
u8 scsi_allowed;
u64 fsf_reqid;
u32 fsf_seqno;
u64 fsf_issued;
u64 old_fsf_reqid;
u8 rsp_validity;
u8 rsp_scsi_status;
u32 rsp_resid;
u8 rsp_code;
#define ZFCP_DBF_SCSI_FCP_SNS_INFO 16
#define ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO 256
u32 sns_info_len;
u8 sns_info[ZFCP_DBF_SCSI_FCP_SNS_INFO];
} __attribute__ ((packed));
struct zfcp_dbf {
debug_info_t *rec_dbf;
debug_info_t *hba_dbf;
debug_info_t *san_dbf;
debug_info_t *scsi_dbf;
spinlock_t rec_dbf_lock;
spinlock_t hba_dbf_lock;
spinlock_t san_dbf_lock;
spinlock_t scsi_dbf_lock;
struct zfcp_rec_dbf_record rec_dbf_buf;
struct zfcp_hba_dbf_record hba_dbf_buf;
struct zfcp_san_dbf_record san_dbf_buf;
struct zfcp_scsi_dbf_record scsi_dbf_buf;
};
#endif /* ZFCP_DBF_H */
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