[mirror_ubuntu-eoan-kernel.git] / drivers / s390 / scsi / zfcp_dbf.h

/*
 * This file is part of the zfcp device driver for
 * FCP adapters for IBM System z9 and zSeries.
 *
 * Copyright IBM Corp. 2008, 2008
 *
 * 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

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;
	u8 id2;
	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;
	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));

#endif /* ZFCP_DBF_H */
Commit	Line	Data
2b604c9b CS	1	/*
	2	* This file is part of the zfcp device driver for
	3	* FCP adapters for IBM System z9 and zSeries.
	4	*
	5	* Copyright IBM Corp. 2008, 2008
	6	*
	7	* This program is free software; you can redistribute it and/or modify
	8	* it under the terms of the GNU General Public License as published by
	9	* the Free Software Foundation; either version 2, or (at your option)
	10	* any later version.
	11	*
	12	* This program is distributed in the hope that it will be useful,
	13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	* GNU General Public License for more details.
	16	*
	17	* You should have received a copy of the GNU General Public License
	18	* along with this program; if not, write to the Free Software
	19	* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	20	*/
	21
	22	#ifndef ZFCP_DBF_H
	23	#define ZFCP_DBF_H
	24
	25	#include "zfcp_fsf.h"
	26
	27	#define ZFCP_DBF_TAG_SIZE 4
	28
	29	struct zfcp_dbf_dump {
	30	u8 tag[ZFCP_DBF_TAG_SIZE];
	31	u32 total_size; /* size of total dump data */
	32	u32 offset; /* how much data has being already dumped */
	33	u32 size; /* how much data comes with this record */
	34	u8 data[]; /* dump data */
	35	} __attribute__ ((packed));
	36
	37	struct zfcp_rec_dbf_record_thread {
2b604c9b CS	38	u32 total;
	39	u32 ready;
	40	u32 running;
7337891f	41	};
2b604c9b CS	42
	43	struct zfcp_rec_dbf_record_target {
	44	u64 ref;
	45	u32 status;
	46	u32 d_id;
	47	u64 wwpn;
	48	u64 fcp_lun;
	49	u32 erp_count;
7337891f	50	};
2b604c9b CS	51
	52	struct zfcp_rec_dbf_record_trigger {
	53	u8 want;
	54	u8 need;
	55	u32 as;
	56	u32 ps;
	57	u32 us;
	58	u64 ref;
	59	u64 action;
	60	u64 wwpn;
	61	u64 fcp_lun;
7337891f	62	};
2b604c9b CS	63
	64	struct zfcp_rec_dbf_record_action {
	65	u32 status;
	66	u32 step;
	67	u64 action;
	68	u64 fsf_req;
7337891f	69	};
2b604c9b CS	70
	71	struct zfcp_rec_dbf_record {
	72	u8 id;
	73	u8 id2;
	74	union {
	75	struct zfcp_rec_dbf_record_action action;
	76	struct zfcp_rec_dbf_record_thread thread;
	77	struct zfcp_rec_dbf_record_target target;
	78	struct zfcp_rec_dbf_record_trigger trigger;
	79	} u;
7337891f	80	};
2b604c9b CS	81
	82	enum {
	83	ZFCP_REC_DBF_ID_ACTION,
	84	ZFCP_REC_DBF_ID_THREAD,
	85	ZFCP_REC_DBF_ID_TARGET,
	86	ZFCP_REC_DBF_ID_TRIGGER,
	87	};
	88
	89	struct zfcp_hba_dbf_record_response {
	90	u32 fsf_command;
	91	u64 fsf_reqid;
	92	u32 fsf_seqno;
	93	u64 fsf_issued;
	94	u32 fsf_prot_status;
	95	u32 fsf_status;
	96	u8 fsf_prot_status_qual[FSF_PROT_STATUS_QUAL_SIZE];
	97	u8 fsf_status_qual[FSF_STATUS_QUALIFIER_SIZE];
	98	u32 fsf_req_status;
	99	u8 sbal_first;
e891bffe	100	u8 sbal_last;
c3baa9a2	101	u8 sbal_response;
2b604c9b CS	102	u8 pool;
	103	u64 erp_action;
	104	union {
	105	struct {
6bc473dd MP	106	u64 cmnd;
	107	u64 serial;
	108	} fcp;
2b604c9b CS	109	struct {
	110	u64 wwpn;
	111	u32 d_id;
	112	u32 port_handle;
	113	} port;
	114	struct {
	115	u64 wwpn;
	116	u64 fcp_lun;
	117	u32 port_handle;
	118	u32 lun_handle;
	119	} unit;
	120	struct {
	121	u32 d_id;
	122	u8 ls_code;
6bc473dd MP	123	} els;
6bc473dd MP	124	} u;
2b604c9b CS	125	} __attribute__ ((packed));
	126
	127	struct zfcp_hba_dbf_record_status {
	128	u8 failed;
	129	u32 status_type;
	130	u32 status_subtype;
	131	struct fsf_queue_designator
	132	queue_designator;
	133	u32 payload_size;
	134	#define ZFCP_DBF_UNSOL_PAYLOAD 80
	135	#define ZFCP_DBF_UNSOL_PAYLOAD_SENSE_DATA_AVAIL 32
	136	#define ZFCP_DBF_UNSOL_PAYLOAD_BIT_ERROR_THRESHOLD 56
	137	#define ZFCP_DBF_UNSOL_PAYLOAD_FEATURE_UPDATE_ALERT 2 * sizeof(u32)
	138	u8 payload[ZFCP_DBF_UNSOL_PAYLOAD];
	139	} __attribute__ ((packed));
	140
	141	struct zfcp_hba_dbf_record_qdio {
2b604c9b	142	u32 qdio_error;
2b604c9b CS	143	u8 sbal_index;
	144	u8 sbal_count;
	145	} __attribute__ ((packed));
	146
	147	struct zfcp_hba_dbf_record {
	148	u8 tag[ZFCP_DBF_TAG_SIZE];
	149	u8 tag2[ZFCP_DBF_TAG_SIZE];
	150	union {
	151	struct zfcp_hba_dbf_record_response response;
	152	struct zfcp_hba_dbf_record_status status;
	153	struct zfcp_hba_dbf_record_qdio qdio;
57069386	154	struct fsf_bit_error_payload berr;
6bc473dd	155	} u;
2b604c9b CS	156	} __attribute__ ((packed));
2b604c9b CS	157
6bc473dd MP	158	struct zfcp_san_dbf_record_ct_request {
	159	u16 cmd_req_code;
	160	u8 revision;
	161	u8 gs_type;
	162	u8 gs_subtype;
	163	u8 options;
	164	u16 max_res_size;
	165	u32 len;
2b604c9b CS	166	} __attribute__ ((packed));
2b604c9b CS	167
6bc473dd MP	168	struct zfcp_san_dbf_record_ct_response {
	169	u16 cmd_rsp_code;
	170	u8 revision;
	171	u8 reason_code;
	172	u8 expl;
	173	u8 vendor_unique;
	174	u32 len;
6bc473dd MP	175	} __attribute__ ((packed));
6bc473dd MP	176
2b604c9b CS	177	struct zfcp_san_dbf_record_els {
2b604c9b CS	178	u8 ls_code;
6bc473dd	179	u32 len;
2b604c9b CS	180	} __attribute__ ((packed));
	181
	182	struct zfcp_san_dbf_record {
	183	u8 tag[ZFCP_DBF_TAG_SIZE];
	184	u64 fsf_reqid;
	185	u32 fsf_seqno;
	186	u32 s_id;
	187	u32 d_id;
	188	union {
6bc473dd MP	189	struct zfcp_san_dbf_record_ct_request ct_req;
6bc473dd MP	190	struct zfcp_san_dbf_record_ct_response ct_resp;
2b604c9b	191	struct zfcp_san_dbf_record_els els;
6bc473dd	192	} u;
d94ce6c6 CS	193	#define ZFCP_DBF_SAN_MAX_PAYLOAD 1024
d94ce6c6 CS	194	u8 payload[32];
2b604c9b CS	195	} __attribute__ ((packed));
	196
	197	struct zfcp_scsi_dbf_record {
	198	u8 tag[ZFCP_DBF_TAG_SIZE];
	199	u8 tag2[ZFCP_DBF_TAG_SIZE];
	200	u32 scsi_id;
	201	u32 scsi_lun;
	202	u32 scsi_result;
	203	u64 scsi_cmnd;
	204	u64 scsi_serial;
	205	#define ZFCP_DBF_SCSI_OPCODE 16
	206	u8 scsi_opcode[ZFCP_DBF_SCSI_OPCODE];
	207	u8 scsi_retries;
	208	u8 scsi_allowed;
	209	u64 fsf_reqid;
	210	u32 fsf_seqno;
	211	u64 fsf_issued;
6bc473dd MP	212	u64 old_fsf_reqid;
	213	u8 rsp_validity;
	214	u8 rsp_scsi_status;
	215	u32 rsp_resid;
	216	u8 rsp_code;
2b604c9b CS	217	#define ZFCP_DBF_SCSI_FCP_SNS_INFO 16
2b604c9b CS	218	#define ZFCP_DBF_SCSI_MAX_FCP_SNS_INFO 256
6bc473dd MP	219	u32 sns_info_len;
6bc473dd MP	220	u8 sns_info[ZFCP_DBF_SCSI_FCP_SNS_INFO];
2b604c9b CS	221	} __attribute__ ((packed));
	222
	223	#endif /* ZFCP_DBF_H */