linux/drivers/scsi/lpfc/lpfc_vport.h

116 lines
3.6 KiB
C

/*******************************************************************
* 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_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);
#endif /* H_LPFC_VPORT */