[mirror_ubuntu-artful-kernel.git] / drivers / scsi / lpfc / lpfc_vport.h

/*******************************************************************
 * This file is part of the Emulex Linux Device Driver for         *
 * Fibre Channel Host Bus Adapters.                                *
 * Copyright (C) 2004-2006 Emulex.  All rights reserved.           *
 * EMULEX and SLI are trademarks of Emulex.                        *
 * www.emulex.com                                                  *
 * Portions Copyright (C) 2004-2005 Christoph Hellwig              *
 *                                                                 *
 * This program is free software; you can redistribute it and/or   *
 * modify it under the terms of version 2 of the GNU General       *
 * Public License as published by the Free Software Foundation.    *
 * This program is distributed in the hope that it will be useful. *
 * ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND          *
 * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,  *
 * FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE      *
 * DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
 * TO BE LEGALLY INVALID.  See the GNU General Public License for  *
 * more details, a copy of which can be found in the file COPYING  *
 * included with this package.                                     *
 *******************************************************************/

#ifndef _H_LPFC_VPORT
#define _H_LPFC_VPORT

/* API version values (each will be an individual bit) */
#define VPORT_API_VERSION_1	0x01

/* Values returned via lpfc_vport_getinfo() */
struct vport_info {

	uint32_t api_versions;
	uint8_t linktype;
#define  VPORT_TYPE_PHYSICAL	0
#define  VPORT_TYPE_VIRTUAL	1

	uint8_t state;
#define  VPORT_STATE_OFFLINE	0
#define  VPORT_STATE_ACTIVE	1
#define  VPORT_STATE_FAILED	2

	uint8_t fail_reason;
	uint8_t prev_fail_reason;
#define  VPORT_FAIL_UNKNOWN	0
#define  VPORT_FAIL_LINKDOWN	1
#define  VPORT_FAIL_FAB_UNSUPPORTED	2
#define  VPORT_FAIL_FAB_NORESOURCES	3
#define  VPORT_FAIL_FAB_LOGOUT	4
#define  VPORT_FAIL_ADAP_NORESOURCES	5

	uint8_t node_name[8];	/* WWNN */
	uint8_t port_name[8];	/* WWPN */

	struct Scsi_Host *shost;

/* Following values are valid only on physical links */
	uint32_t vports_max;
	uint32_t vports_inuse;
	uint32_t rpi_max;
	uint32_t rpi_inuse;
#define  VPORT_CNT_INVALID	0xFFFFFFFF
};

/* data used  in link creation */
struct vport_data {
	uint32_t api_version;

	uint32_t options;
#define  VPORT_OPT_AUTORETRY	0x01

	uint8_t node_name[8];	/* WWNN */
	uint8_t port_name[8];	/* WWPN */

/*
 *  Upon successful creation, vport_shost will point to the new Scsi_Host
 *  structure for the new virtual link.
 */
	struct Scsi_Host *vport_shost;
};

/* API function return codes */
#define VPORT_OK	0
#define VPORT_ERROR	-1
#define VPORT_INVAL	-2
#define VPORT_NOMEM	-3
#define VPORT_NORESOURCES	-4

int lpfc_vport_create(struct fc_vport *, bool);
int lpfc_vport_delete(struct fc_vport *);
int lpfc_vport_getinfo(struct Scsi_Host *, struct vport_info *);
int lpfc_vport_tgt_remove(struct Scsi_Host *, uint, uint);
struct lpfc_vport **lpfc_create_vport_work_array(struct lpfc_hba *);
void lpfc_destroy_vport_work_array(struct lpfc_hba *, struct lpfc_vport **);

/*
 *  queuecommand  VPORT-specific return codes. Specified in  the host byte code.
 *  Returned when the virtual link has failed or is not active.
 */
#define  DID_VPORT_ERROR	0x0f

#define VPORT_INFO	0x1
#define VPORT_CREATE	0x2
#define VPORT_DELETE	0x4

struct vport_cmd_tag {
	uint32_t cmd;
	struct vport_data cdata;
	struct vport_info cinfo;
	void *vport;
	int vport_num;
};

void lpfc_vport_set_state(struct lpfc_vport *vport,
			  enum fc_vport_state new_state);

void lpfc_vport_reset_stat_data(struct lpfc_vport *);
void lpfc_alloc_bucket(struct lpfc_vport *);
void lpfc_free_bucket(struct lpfc_vport *);

#endif /* H_LPFC_VPORT */
Commit	Line	Data
92d7f7b0 JS	1	/*******************************************************************
	2	* This file is part of the Emulex Linux Device Driver for *
	3	* Fibre Channel Host Bus Adapters. *
	4	* Copyright (C) 2004-2006 Emulex. All rights reserved. *
	5	* EMULEX and SLI are trademarks of Emulex. *
	6	* www.emulex.com *
	7	* Portions Copyright (C) 2004-2005 Christoph Hellwig *
	8	* *
	9	* This program is free software; you can redistribute it and/or *
	10	* modify it under the terms of version 2 of the GNU General *
	11	* Public License as published by the Free Software Foundation. *
	12	* This program is distributed in the hope that it will be useful. *
	13	* ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND *
	14	* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, *
	15	* FITNESS FOR A PARTICULAR PURPOSE, OR NON-INFRINGEMENT, ARE *
	16	* DISCLAIMED, EXCEPT TO THE EXTENT THAT SUCH DISCLAIMERS ARE HELD *
	17	* TO BE LEGALLY INVALID. See the GNU General Public License for *
	18	* more details, a copy of which can be found in the file COPYING *
	19	* included with this package. *
	20	*******************************************************************/
	21
	22	#ifndef _H_LPFC_VPORT
	23	#define _H_LPFC_VPORT
	24
	25	/* API version values (each will be an individual bit) */
	26	#define VPORT_API_VERSION_1 0x01
	27
	28	/* Values returned via lpfc_vport_getinfo() */
	29	struct vport_info {
	30
	31	uint32_t api_versions;
	32	uint8_t linktype;
	33	#define VPORT_TYPE_PHYSICAL 0
	34	#define VPORT_TYPE_VIRTUAL 1
	35
	36	uint8_t state;
	37	#define VPORT_STATE_OFFLINE 0
	38	#define VPORT_STATE_ACTIVE 1
	39	#define VPORT_STATE_FAILED 2
	40
	41	uint8_t fail_reason;
	42	uint8_t prev_fail_reason;
	43	#define VPORT_FAIL_UNKNOWN 0
	44	#define VPORT_FAIL_LINKDOWN 1
	45	#define VPORT_FAIL_FAB_UNSUPPORTED 2
	46	#define VPORT_FAIL_FAB_NORESOURCES 3
	47	#define VPORT_FAIL_FAB_LOGOUT 4
	48	#define VPORT_FAIL_ADAP_NORESOURCES 5
	49
	50	uint8_t node_name[8]; /* WWNN */
	51	uint8_t port_name[8]; /* WWPN */
	52
	53	struct Scsi_Host *shost;
	54
	55	/* Following values are valid only on physical links */
	56	uint32_t vports_max;
	57	uint32_t vports_inuse;
	58	uint32_t rpi_max;
	59	uint32_t rpi_inuse;
	60	#define VPORT_CNT_INVALID 0xFFFFFFFF
	61	};
	62
	63	/* data used in link creation */
	64	struct vport_data {
65	uint32_t api_version;
66
67	uint32_t options;
68	#define VPORT_OPT_AUTORETRY 0x01
69
70	uint8_t node_name[8]; /* WWNN */
71	uint8_t port_name[8]; /* WWPN */
72
73	/*
74	* Upon successful creation, vport_shost will point to the new Scsi_Host
75	* structure for the new virtual link.
76	*/
77	struct Scsi_Host *vport_shost;
78	};
79
80	/* API function return codes */
81	#define VPORT_OK 0
82	#define VPORT_ERROR -1
83	#define VPORT_INVAL -2
84	#define VPORT_NOMEM -3
85	#define VPORT_NORESOURCES -4
86
87	int lpfc_vport_create(struct fc_vport *, bool);
88	int lpfc_vport_delete(struct fc_vport *);
89	int lpfc_vport_getinfo(struct Scsi_Host , struct vport_info );
90	int lpfc_vport_tgt_remove(struct Scsi_Host *, uint, uint);
549e55cd	91	struct lpfc_vport *lpfc_create_vport_work_array(struct lpfc_hba );
09372820	92	void lpfc_destroy_vport_work_array(struct lpfc_hba , struct lpfc_vport *);
92d7f7b0 JS	93
	94	/*
	95	* queuecommand VPORT-specific return codes. Specified in the host byte code.
	96	* Returned when the virtual link has failed or is not active.
	97	*/
	98	#define DID_VPORT_ERROR 0x0f
	99
	100	#define VPORT_INFO 0x1
	101	#define VPORT_CREATE 0x2
	102	#define VPORT_DELETE 0x4
	103
	104	struct vport_cmd_tag {
	105	uint32_t cmd;
	106	struct vport_data cdata;
	107	struct vport_info cinfo;
	108	void *vport;
	109	int vport_num;
	110	};
	111
	112	void lpfc_vport_set_state(struct lpfc_vport *vport,
	113	enum fc_vport_state new_state);
	114
ea2151b4 JS	115	void lpfc_vport_reset_stat_data(struct lpfc_vport *);
	116	void lpfc_alloc_bucket(struct lpfc_vport *);
	117	void lpfc_free_bucket(struct lpfc_vport *);
	118
92d7f7b0	119	#endif /* H_LPFC_VPORT */