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 000000000000..790d7b97d4bc
--- /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_ */