[SCSI] FC protocol definition header files

Signed-off-by: Robert Love <robert.w.love@intel.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 159 insertions, 0 deletions

diff --git a/include/scsi/fc/fc_ns.h b/include/scsi/fc/fc_ns.h
new file mode 100644
index 0000000..790d7b9
--- /dev/null
+++ b/include/scsi/fc/fc_ns.h
@@ -0,0 +1,159 @@
+/*
+ * Copyright(c) 2007 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_NS_H_
+#define	_FC_NS_H_
+
+/*
+ * Fibre Channel Services - Name Service (dNS)
+ * From T11.org FC-GS-2 Rev 5.3 November 1998.
+ */
+
+/*
+ * Common-transport sub-type for Name Server.
+ */
+#define	FC_NS_SUBTYPE	    2	/* fs_ct_hdr.ct_fs_subtype */
+
+/*
+ * Name server Requests.
+ * Note:  this is an incomplete list, some unused requests are omitted.
+ */
+enum fc_ns_req {
+	FC_NS_GA_NXT =	0x0100,		/* get all next */
+	FC_NS_GI_A =	0x0101,		/* get identifiers - scope */
+	FC_NS_GPN_ID =	0x0112,		/* get port name by ID */
+	FC_NS_GNN_ID =	0x0113,		/* get node name by ID */
+	FC_NS_GID_PN =	0x0121,		/* get ID for port name */
+	FC_NS_GID_NN =	0x0131,		/* get IDs for node name */
+	FC_NS_GID_FT =	0x0171,		/* get IDs by FC4 type */
+	FC_NS_GPN_FT =	0x0172,		/* get port names by FC4 type */
+	FC_NS_GID_PT =	0x01a1,		/* get IDs by port type */
+	FC_NS_RFT_ID =	0x0217,		/* reg FC4 type for ID */
+	FC_NS_RPN_ID =	0x0212,		/* reg port name for ID */
+	FC_NS_RNN_ID =	0x0213,		/* reg node name for ID */
+};
+
+/*
+ * Port type values.
+ */
+enum fc_ns_pt {
+	FC_NS_UNID_PORT = 0x00,	/* unidentified */
+	FC_NS_N_PORT =	0x01,	/* N port */
+	FC_NS_NL_PORT =	0x02,	/* NL port */
+	FC_NS_FNL_PORT = 0x03,	/* F/NL port */
+	FC_NS_NX_PORT =	0x7f,	/* Nx port */
+	FC_NS_F_PORT =	0x81,	/* F port */
+	FC_NS_FL_PORT =	0x82,	/* FL port */
+	FC_NS_E_PORT =	0x84,	/* E port */
+	FC_NS_B_PORT =	0x85,	/* B port */
+};
+
+/*
+ * Port type object.
+ */
+struct fc_ns_pt_obj {
+	__u8		pt_type;
+};
+
+/*
+ * Port ID object
+ */
+struct fc_ns_fid {
+	__u8		fp_flags;	/* flags for responses only */
+	__u8		fp_fid[3];
+};
+
+/*
+ * fp_flags in port ID object, for responses only.
+ */
+#define	FC_NS_FID_LAST	0x80		/* last object */
+
+/*
+ * FC4-types object.
+ */
+#define	FC_NS_TYPES	256	/* number of possible FC-4 types */
+#define	FC_NS_BPW	32	/* bits per word in bitmap */
+
+struct fc_ns_fts {
+	__be32	ff_type_map[FC_NS_TYPES / FC_NS_BPW]; /* bitmap of FC-4 types */
+};
+
+/*
+ * GID_PT request.
+ */
+struct fc_ns_gid_pt {
+	__u8		fn_pt_type;
+	__u8		fn_domain_id_scope;
+	__u8		fn_area_id_scope;
+	__u8		fn_resvd;
+};
+
+/*
+ * GID_FT or GPN_FT request.
+ */
+struct fc_ns_gid_ft {
+	__u8		fn_resvd;
+	__u8		fn_domain_id_scope;
+	__u8		fn_area_id_scope;
+	__u8		fn_fc4_type;
+};
+
+/*
+ * GPN_FT response.
+ */
+struct fc_gpn_ft_resp {
+	__u8		fp_flags;	/* see fp_flags definitions above */
+	__u8		fp_fid[3];	/* port ID */
+	__be32		fp_resvd;
+	__be64		fp_wwpn;	/* port name */
+};
+
+/*
+ * GID_PN request
+ */
+struct fc_ns_gid_pn {
+	__be64     fn_wwpn;    /* port name */
+};
+
+/*
+ * GID_PN response
+ */
+struct fc_gid_pn_resp {
+	__u8      fp_resvd;
+	__u8      fp_fid[3];     /* port ID */
+};
+
+/*
+ * RFT_ID request - register FC-4 types for ID.
+ */
+struct fc_ns_rft_id {
+	struct fc_ns_fid fr_fid;	/* port ID object */
+	struct fc_ns_fts fr_fts;	/* FC-4 types object */
+};
+
+/*
+ * RPN_ID request - register port name for ID.
+ * RNN_ID request - register node name for ID.
+ */
+struct fc_ns_rn_id {
+	struct fc_ns_fid fr_fid;	/* port ID object */
+	__be64		fr_wwn;		/* node name or port name */
+} __attribute__((__packed__));
+
+#endif /* _FC_NS_H_ */