From ace9429bb58fd418f0c81d4c2835699bddf6bde6 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:27:49 +0200 Subject: Adding upstream version 6.6.15. Signed-off-by: Daniel Baumann --- drivers/scsi/libfc/fc_libfc.h | 127 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 127 insertions(+) create mode 100644 drivers/scsi/libfc/fc_libfc.h (limited to 'drivers/scsi/libfc/fc_libfc.h') diff --git a/drivers/scsi/libfc/fc_libfc.h b/drivers/scsi/libfc/fc_libfc.h new file mode 100644 index 000000000..685e3bdd0 --- /dev/null +++ b/drivers/scsi/libfc/fc_libfc.h @@ -0,0 +1,127 @@ +/* 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 0x01 /* General logging, not categorized */ +#define FC_LPORT_LOGGING 0x02 /* lport layer logging */ +#define FC_DISC_LOGGING 0x04 /* discovery layer logging */ +#define FC_RPORT_LOGGING 0x08 /* rport layer logging */ +#define FC_FCP_LOGGING 0x10 /* I/O path logging */ +#define FC_EM_LOGGING 0x20 /* Exchange Manager logging */ +#define FC_EXCH_LOGGING 0x40 /* Exchange/Sequence logging */ +#define FC_SCSI_LOGGING 0x80 /* SCSI logging (mostly error handling) */ + +extern unsigned int fc_debug_logging; + +#define FC_CHECK_LOGGING(LEVEL, CMD) \ + do { \ + if (unlikely(fc_debug_logging & LEVEL)) \ + do { \ + CMD; \ + } while (0); \ + } while (0) + +#define FC_LIBFC_DBG(fmt, args...) \ + FC_CHECK_LOGGING(FC_LIBFC_LOGGING, \ + pr_info("libfc: " fmt, ##args)) + +#define FC_LPORT_DBG(lport, fmt, args...) \ + FC_CHECK_LOGGING(FC_LPORT_LOGGING, \ + pr_info("host%u: lport %6.6x: " fmt, \ + (lport)->host->host_no, \ + (lport)->port_id, ##args)) + +#define FC_DISC_DBG(disc, fmt, args...) \ + FC_CHECK_LOGGING(FC_DISC_LOGGING, \ + pr_info("host%u: disc: " fmt, \ + fc_disc_lport(disc)->host->host_no, \ + ##args)) + +#define FC_RPORT_ID_DBG(lport, port_id, fmt, args...) \ + FC_CHECK_LOGGING(FC_RPORT_LOGGING, \ + pr_info("host%u: rport %6.6x: " fmt, \ + (lport)->host->host_no, \ + (port_id), ##args)) + +#define FC_RPORT_DBG(rdata, fmt, args...) \ + FC_RPORT_ID_DBG((rdata)->local_port, (rdata)->ids.port_id, fmt, ##args) + +#define FC_FCP_DBG(pkt, fmt, args...) \ + FC_CHECK_LOGGING(FC_FCP_LOGGING, \ + { \ + if ((pkt)->seq_ptr) { \ + struct fc_exch *_ep = NULL; \ + _ep = fc_seq_exch((pkt)->seq_ptr); \ + pr_info("host%u: fcp: %6.6x: " \ + "xid %04x-%04x: " fmt, \ + (pkt)->lp->host->host_no, \ + (pkt)->rport->port_id, \ + (_ep)->oxid, (_ep)->rxid, ##args); \ + } else { \ + pr_info("host%u: fcp: %6.6x: " fmt, \ + (pkt)->lp->host->host_no, \ + (pkt)->rport->port_id, ##args); \ + } \ + }) + +#define FC_EXCH_DBG(exch, fmt, args...) \ + FC_CHECK_LOGGING(FC_EXCH_LOGGING, \ + pr_info("host%u: xid %4x: " fmt, \ + (exch)->lp->host->host_no, \ + exch->xid, ##args)) + +#define FC_SCSI_DBG(lport, fmt, args...) \ + FC_CHECK_LOGGING(FC_SCSI_LOGGING, \ + pr_info("host%u: scsi: " fmt, \ + (lport)->host->host_no, ##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_ */ -- cgit v1.2.3