Initial import

1 files changed, 328 insertions, 0 deletions

diff --git a/drivers/scsi/bfa/bfa_fcbuild.h b/drivers/scsi/bfa/bfa_fcbuild.h
new file mode 100644
index 000000000..03c753d1e
--- /dev/null
+++ b/drivers/scsi/bfa/bfa_fcbuild.h
@@ -0,0 +1,328 @@
+/*
+ * Copyright (c) 2005-2010 Brocade Communications Systems, Inc.
+ * All rights reserved
+ * www.brocade.com
+ *
+ * Linux driver for Brocade Fibre Channel Host Bus Adapter.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License (GPL) Version 2 as
+ * published by the Free Software Foundation
+ *
+ * This program is distributed in the hope that 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.
+ */
+/*
+ * fcbuild.h - FC link service frame building and parsing routines
+ */
+
+#ifndef __FCBUILD_H__
+#define __FCBUILD_H__
+
+#include "bfad_drv.h"
+#include "bfa_fc.h"
+#include "bfa_defs_fcs.h"
+
+/*
+ * Utility Macros/functions
+ */
+
+#define wwn_is_equal(_wwn1, _wwn2)		\
+	(memcmp(&(_wwn1), &(_wwn2), sizeof(wwn_t)) == 0)
+
+#define fc_roundup(_l, _s) (((_l) + ((_s) - 1)) & ~((_s) - 1))
+
+/*
+ * Given the fc response length, this routine will return
+ * the length of the actual payload bytes following the CT header.
+ *
+ * Assumes the input response length does not include the crc, eof, etc.
+ */
+static inline   u32
+fc_get_ctresp_pyld_len(u32 resp_len)
+{
+	return resp_len - sizeof(struct ct_hdr_s);
+}
+
+/*
+ * Convert bfa speed to rpsc speed value.
+ */
+static inline  enum bfa_port_speed
+fc_rpsc_operspeed_to_bfa_speed(enum fc_rpsc_op_speed speed)
+{
+	switch (speed) {
+
+	case RPSC_OP_SPEED_1G:
+		return BFA_PORT_SPEED_1GBPS;
+
+	case RPSC_OP_SPEED_2G:
+		return BFA_PORT_SPEED_2GBPS;
+
+	case RPSC_OP_SPEED_4G:
+		return BFA_PORT_SPEED_4GBPS;
+
+	case RPSC_OP_SPEED_8G:
+		return BFA_PORT_SPEED_8GBPS;
+
+	case RPSC_OP_SPEED_16G:
+		return BFA_PORT_SPEED_16GBPS;
+
+	case RPSC_OP_SPEED_10G:
+		return BFA_PORT_SPEED_10GBPS;
+
+	default:
+		return BFA_PORT_SPEED_UNKNOWN;
+	}
+}
+
+/*
+ * Convert RPSC speed to bfa speed value.
+ */
+static inline   enum fc_rpsc_op_speed
+fc_bfa_speed_to_rpsc_operspeed(enum bfa_port_speed op_speed)
+{
+	switch (op_speed) {
+
+	case BFA_PORT_SPEED_1GBPS:
+		return RPSC_OP_SPEED_1G;
+
+	case BFA_PORT_SPEED_2GBPS:
+		return RPSC_OP_SPEED_2G;
+
+	case BFA_PORT_SPEED_4GBPS:
+		return RPSC_OP_SPEED_4G;
+
+	case BFA_PORT_SPEED_8GBPS:
+		return RPSC_OP_SPEED_8G;
+
+	case BFA_PORT_SPEED_16GBPS:
+		return RPSC_OP_SPEED_16G;
+
+	case BFA_PORT_SPEED_10GBPS:
+		return RPSC_OP_SPEED_10G;
+
+	default:
+		return RPSC_OP_SPEED_NOT_EST;
+	}
+}
+
+enum fc_parse_status {
+	FC_PARSE_OK = 0,
+	FC_PARSE_FAILURE = 1,
+	FC_PARSE_BUSY = 2,
+	FC_PARSE_LEN_INVAL,
+	FC_PARSE_ACC_INVAL,
+	FC_PARSE_PWWN_NOT_EQUAL,
+	FC_PARSE_NWWN_NOT_EQUAL,
+	FC_PARSE_RXSZ_INVAL,
+	FC_PARSE_NOT_FCP,
+	FC_PARSE_OPAFLAG_INVAL,
+	FC_PARSE_RPAFLAG_INVAL,
+	FC_PARSE_OPA_INVAL,
+	FC_PARSE_RPA_INVAL,
+
+};
+
+struct fc_templates_s {
+	struct fchs_s fc_els_req;
+	struct fchs_s fc_bls_req;
+	struct fc_logi_s plogi;
+	struct fc_rrq_s rrq;
+};
+
+void            fcbuild_init(void);
+
+u16        fc_flogi_build(struct fchs_s *fchs, struct fc_logi_s *flogi,
+			u32 s_id, u16 ox_id, wwn_t port_name, wwn_t node_name,
+			       u16 pdu_size, u8 set_npiv, u8 set_auth,
+			       u16 local_bb_credits);
+
+u16        fc_fdisc_build(struct fchs_s *buf, struct fc_logi_s *flogi, u32 s_id,
+			       u16 ox_id, wwn_t port_name, wwn_t node_name,
+			       u16 pdu_size);
+
+u16        fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi,
+				   u32 s_id, __be16 ox_id,
+				   wwn_t port_name, wwn_t node_name,
+				   u16 pdu_size,
+				   u16 local_bb_credits, u8 bb_scn);
+
+u16        fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id,
+			       u32 s_id, u16 ox_id, wwn_t port_name,
+			       wwn_t node_name, u16 pdu_size, u16 bb_cr);
+
+enum fc_parse_status fc_plogi_parse(struct fchs_s *fchs);
+
+u16        fc_abts_build(struct fchs_s *buf, u32 d_id, u32 s_id,
+			      u16 ox_id);
+
+enum fc_parse_status fc_abts_rsp_parse(struct fchs_s *buf, int len);
+
+u16        fc_rrq_build(struct fchs_s *buf, struct fc_rrq_s *rrq, u32 d_id,
+			     u32 s_id, u16 ox_id, u16 rrq_oxid);
+enum fc_parse_status fc_rrq_rsp_parse(struct fchs_s *buf, int len);
+
+u16        fc_rspnid_build(struct fchs_s *fchs, void *pld, u32 s_id,
+				u16 ox_id, u8 *name);
+u16	fc_rsnn_nn_build(struct fchs_s *fchs, void *pld, u32 s_id,
+				wwn_t node_name, u8 *name);
+
+u16        fc_rftid_build(struct fchs_s *fchs, void *pld, u32 s_id,
+			       u16 ox_id, enum bfa_lport_role role);
+
+u16       fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id,
+				   u16 ox_id, u8 *fc4_bitmap,
+				   u32 bitmap_size);
+
+u16	fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
+			u16 ox_id, u8 fc4_type, u8 fc4_ftrs);
+
+u16        fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id,
+			       u16 ox_id, wwn_t port_name);
+
+u16        fc_gpnid_build(struct fchs_s *fchs, void *pld, u32 s_id,
+			       u16 ox_id, u32 port_id);
+
+u16	fc_gs_rjt_build(struct fchs_s *fchs, struct ct_hdr_s *cthdr,
+			u32 d_id, u32 s_id, u16 ox_id,
+			u8 reason_code, u8 reason_code_expl);
+
+u16        fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr,
+			u8 set_br_reg, u32 s_id, u16 ox_id);
+
+u16        fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id,
+				   u32 s_id, u16 ox_id,
+				   wwn_t port_name, wwn_t node_name,
+				   u16 pdu_size, u16 bb_cr);
+
+u16        fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc,
+			u32 d_id, u32 s_id, __be16 ox_id, wwn_t port_name,
+			       wwn_t node_name);
+
+enum fc_parse_status fc_adisc_parse(struct fchs_s *fchs, void *pld,
+			u32 host_dap, wwn_t node_name, wwn_t port_name);
+
+enum fc_parse_status fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len,
+				 wwn_t port_name, wwn_t node_name);
+
+u16        fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc,
+				   u32 d_id, u32 s_id, __be16 ox_id,
+				   wwn_t port_name, wwn_t node_name);
+u16        fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt,
+				u32 d_id, u32 s_id, __be16 ox_id,
+				u8 reason_code, u8 reason_code_expl);
+u16        fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd,
+				u32 d_id, u32 s_id, __be16 ox_id);
+u16        fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id,
+			      u32 s_id, u16 ox_id);
+
+enum fc_parse_status fc_prli_rsp_parse(struct fc_prli_s *prli, int len);
+
+u16        fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id,
+				  u32 s_id, __be16 ox_id,
+				  enum bfa_lport_role role);
+
+u16        fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid,
+			      u32 d_id, u32 s_id, u16 ox_id,
+			      u32 data_format);
+
+u16        fc_rnid_acc_build(struct fchs_s *fchs,
+			struct fc_rnid_acc_s *rnid_acc, u32 d_id, u32 s_id,
+			__be16 ox_id, u32 data_format,
+			struct fc_rnid_common_id_data_s *common_id_data,
+			struct fc_rnid_general_topology_data_s *gen_topo_data);
+
+u16	fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rps2c,
+			u32 d_id, u32 s_id, u32 *pid_list, u16 npids);
+u16        fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc,
+			      u32 d_id, u32 s_id, u16 ox_id);
+u16        fc_rpsc_acc_build(struct fchs_s *fchs,
+			struct fc_rpsc_acc_s *rpsc_acc, u32 d_id, u32 s_id,
+			__be16 ox_id, struct fc_rpsc_speed_info_s *oper_speed);
+u16        fc_gid_ft_build(struct fchs_s *fchs, void *pld, u32 s_id,
+				u8 fc4_type);
+
+u16        fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
+			       u32 port_id, wwn_t port_name);
+
+u16        fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
+			       u32 port_id, wwn_t node_name);
+
+u16        fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
+			       u32 port_id, u32 cos);
+
+u16        fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
+			       u32 port_id, u8 port_type);
+
+u16        fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id,
+			       u32 port_id);
+
+u16        fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo, u32 d_id,
+			      u32 s_id, u16 ox_id, wwn_t port_name);
+
+u16        fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id,
+				  u32 s_id, __be16 ox_id);
+
+u16        fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id,
+				     u16 cmd_code);
+u16	fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn);
+u16	fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id, wwn_t wwn);
+
+void		fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask);
+
+void		fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
+					 __be16 ox_id);
+
+enum fc_parse_status	fc_els_rsp_parse(struct fchs_s *fchs, int len);
+
+enum fc_parse_status	fc_plogi_rsp_parse(struct fchs_s *fchs, int len,
+					wwn_t port_name);
+
+enum fc_parse_status	fc_prli_parse(struct fc_prli_s *prli);
+
+enum fc_parse_status	fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name,
+					wwn_t port_name);
+
+u16 fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc, u32 d_id,
+		u32 s_id, __be16 ox_id, u16 rx_id);
+
+int fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code);
+
+u16 fc_tprlo_acc_build(struct fchs_s *fchs, struct fc_tprlo_acc_s *tprlo_acc,
+		u32 d_id, u32 s_id, __be16 ox_id, int num_pages);
+
+u16 fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc,
+		u32 d_id, u32 s_id, __be16 ox_id, int num_pages);
+
+u16 fc_logo_rsp_parse(struct fchs_s *fchs, int len);
+
+u16 fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
+		u16 ox_id, wwn_t port_name, wwn_t node_name,
+		u16 pdu_size);
+
+u16 fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name);
+
+u16 fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
+		u16 ox_id, int num_pages);
+
+u16 fc_prlo_rsp_parse(struct fchs_s *fchs, int len);
+
+u16 fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
+		u16 ox_id, int num_pages, enum fc_tprlo_type tprlo_type,
+		u32 tpr_id);
+
+u16 fc_tprlo_rsp_parse(struct fchs_s *fchs, int len);
+
+u16 fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
+		__be16 ox_id, u32 reason_code, u32 reason_expl);
+
+u16 fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id, u16 ox_id,
+		u32 port_id);
+
+u16 fc_ct_rsp_parse(struct ct_hdr_s *cthdr);
+
+u16 fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn, u32 s_id,
+		u16 ox_id);
+#endif