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authorRobert Love <robert.w.love@intel.com>2009-11-03 11:45:58 -0800
committerJames Bottomley <James.Bottomley@suse.de>2009-12-04 12:00:55 -0600
commit8866a5d9075b7129194576f5f810e85a693c40ba (patch)
tree8976fd0009ab5870457ca0ecd7a246852744f00c /drivers/scsi/libfc/fc_libfc.h
parent255f6386b816b2bc0c251af0ee4985ad5a8461b7 (diff)
downloadop-kernel-dev-8866a5d9075b7129194576f5f810e85a693c40ba.zip
op-kernel-dev-8866a5d9075b7129194576f5f810e85a693c40ba.tar.gz
[SCSI] libfc: Add libfc/fc_libfc.[ch] for libfc internal routines
include/scsi/libfc.h is currently loaded with common code shared between libfc's sub-modules as well as shared between libfc and fcoe. Previous patches attempted to move out non-common code. This patch creates two files for common libfc routines that will not be shared with fcoe, fnic or any other LLDs. Signed-off-by: Robert Love <robert.w.love@intel.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Diffstat (limited to 'drivers/scsi/libfc/fc_libfc.h')
-rw-r--r--drivers/scsi/libfc/fc_libfc.h102
1 files changed, 102 insertions, 0 deletions
diff --git a/drivers/scsi/libfc/fc_libfc.h b/drivers/scsi/libfc/fc_libfc.h
new file mode 100644
index 0000000..388fae4
--- /dev/null
+++ b/drivers/scsi/libfc/fc_libfc.h
@@ -0,0 +1,102 @@
+/*
+ * Copyright(c) 2009 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope 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.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * 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, \
+ printk(KERN_INFO "libfc: " fmt, ##args))
+
+#define FC_LPORT_DBG(lport, fmt, args...) \
+ FC_CHECK_LOGGING(FC_LPORT_LOGGING, \
+ printk(KERN_INFO "host%u: lport %6x: " fmt, \
+ (lport)->host->host_no, \
+ fc_host_port_id((lport)->host), ##args))
+
+#define FC_DISC_DBG(disc, fmt, args...) \
+ FC_CHECK_LOGGING(FC_DISC_LOGGING, \
+ printk(KERN_INFO "host%u: disc: " fmt, \
+ (disc)->lport->host->host_no, \
+ ##args))
+
+#define FC_RPORT_ID_DBG(lport, port_id, fmt, args...) \
+ FC_CHECK_LOGGING(FC_RPORT_LOGGING, \
+ printk(KERN_INFO "host%u: rport %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, \
+ printk(KERN_INFO "host%u: fcp: %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, \
+ printk(KERN_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, \
+ printk(KERN_INFO "host%u: scsi: " fmt, \
+ (lport)->host->host_no, ##args))
+
+/*
+ * Set up direct-data placement for this I/O request
+ */
+void fc_fcp_ddp_setup(struct fc_fcp_pkt *fsp, u16 xid);
+
+/*
+ * 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);
+
+/*
+ * Internal libfc functions
+ */
+const char *fc_els_resp_type(struct fc_frame *);
+
+#endif /* _FC_LIBFC_H_ */
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