linux/drivers/scsi/libfc/fc_libfc.h

/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright(c) 2009 Intel Corporation. All rights reserved.
 *
 * Maintained at www.Open-FCoE.org
 */

#ifndef _FC_LIBFC_H_
#define _FC_LIBFC_H_

#define FC_LIBFC_LOGGING …
#define FC_LPORT_LOGGING …
#define FC_DISC_LOGGING …
#define FC_RPORT_LOGGING …
#define FC_FCP_LOGGING …
#define FC_EM_LOGGING …
#define FC_EXCH_LOGGING …
#define FC_SCSI_LOGGING …

extern unsigned int fc_debug_logging;

#define FC_CHECK_LOGGING(LEVEL, CMD) …

#define FC_LIBFC_DBG(fmt, args...) …

#define FC_LPORT_DBG(lport, fmt, args...) …

#define FC_DISC_DBG(disc, fmt, args...) …

#define FC_RPORT_ID_DBG(lport, port_id, fmt, args...) …

#define FC_RPORT_DBG(rdata, fmt, args...) …

#define FC_FCP_DBG(pkt, fmt, args...) …

#define FC_EXCH_DBG(exch, fmt, args...) …

#define FC_SCSI_DBG(lport, fmt, args...) …

/*
 * FC-4 Providers.
 */
extern struct fc4_prov *fc_active_prov[];	/* providers without recv */
extern struct fc4_prov *fc_passive_prov[];	/* providers with recv */
extern struct mutex fc_prov_mutex;		/* lock over table changes */

extern struct fc4_prov fc_rport_t0_prov;	/* type 0 provider */
extern struct fc4_prov fc_lport_els_prov;	/* ELS provider */
extern struct fc4_prov fc_rport_fcp_init;	/* FCP initiator provider */

/*
 * Set up direct-data placement for this I/O request
 */
void fc_fcp_ddp_setup(struct fc_fcp_pkt *fsp, u16 xid);
void fc_fcp_ddp_done(struct fc_fcp_pkt *fsp);

/*
 * Module setup functions
 */
int fc_setup_exch_mgr(void);
void fc_destroy_exch_mgr(void);
int fc_setup_rport(void);
void fc_destroy_rport(void);
int fc_setup_fcp(void);
void fc_destroy_fcp(void);

/*
 * Internal libfc functions
 */
const char *fc_els_resp_type(struct fc_frame *);
extern void fc_fc4_add_lport(struct fc_lport *);
extern void fc_fc4_del_lport(struct fc_lport *);
extern void fc_fc4_conf_lport_params(struct fc_lport *, enum fc_fh_type);

/*
 * Copies a buffer into an sg list
 */
u32 fc_copy_buffer_to_sglist(void *buf, size_t len,
			     struct scatterlist *sg,
			     u32 *nents, size_t *offset,
			     u32 *crc);

#endif /* _FC_LIBFC_H_ */