[SCSI] bfa: Brocade BFA FC SCSI driver

Add new driver for Brocade Hardware

Signed-off-by: Jing Huang <huangj@brocade.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 273 insertions, 0 deletions

diff --git a/drivers/scsi/bfa/fcbuild.h b/drivers/scsi/bfa/fcbuild.h
new file mode 100644
index 00000000000..4d248424f7b
--- /dev/null
+++ b/drivers/scsi/bfa/fcbuild.h
@@ -0,0 +1,273 @@
+/*
+ * Copyright (c) 2005-2009 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 <bfa_os_inc.h>
+#include <protocol/fc.h>
+#include <protocol/fcp.h>
+#include <protocol/ct.h>
+#include <defs/bfa_defs_port.h>
+#include <defs/bfa_defs_pport.h>
+
+/*
+ * Utility Macros/functions
+ */
+
+#define fcif_sof_set(_ifhdr, _sof)	(_ifhdr)->sof = FC_ ## _sof
+#define fcif_eof_set(_ifhdr, _eof)	(_ifhdr)->eof = FC_ ## _eof
+
+#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_pport_speed
+fc_rpsc_operspeed_to_bfa_speed(enum fc_rpsc_op_speed_s speed)
+{
+	switch (speed) {
+
+	case RPSC_OP_SPEED_1G:
+		return BFA_PPORT_SPEED_1GBPS;
+
+	case RPSC_OP_SPEED_2G:
+		return BFA_PPORT_SPEED_2GBPS;
+
+	case RPSC_OP_SPEED_4G:
+		return BFA_PPORT_SPEED_4GBPS;
+
+	case RPSC_OP_SPEED_8G:
+		return BFA_PPORT_SPEED_8GBPS;
+
+	default:
+		return BFA_PPORT_SPEED_UNKNOWN;
+	}
+}
+
+/*
+ * Convert RPSC speed to bfa speed value.
+ */
+static inline   enum fc_rpsc_op_speed_s
+fc_bfa_speed_to_rpsc_operspeed(enum bfa_pport_speed op_speed)
+{
+	switch (op_speed) {
+
+	case BFA_PPORT_SPEED_1GBPS:
+		return RPSC_OP_SPEED_1G;
+
+	case BFA_PPORT_SPEED_2GBPS:
+		return RPSC_OP_SPEED_2G;
+
+	case BFA_PPORT_SPEED_4GBPS:
+		return RPSC_OP_SPEED_4G;
+
+	case BFA_PPORT_SPEED_8GBPS:
+		return RPSC_OP_SPEED_8G;
+
+	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, u16 ox_id, wwn_t port_name,
+			wwn_t node_name, u16 pdu_size,
+			u16 local_bb_credits);
+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);
+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_rftid_build(struct fchs_s *fchs, void *pld, u32 s_id,
+			u16 ox_id, enum bfa_port_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_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 fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc,
+			u32 d_id, u32 s_id, u16 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, u16 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, u16 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, u16 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, u16 ox_id,
+			enum bfa_port_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, u16 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, u16 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, u16 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,
+			u16 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, u16 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, u16 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, u16 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,
+			u16 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