ARM: 6070/1: perf-events: add support for xscale PMUs
[safe/jmp/linux-2.6] / drivers / scsi / bfa / fcbuild.h
1 /*
2  * Copyright (c) 2005-2009 Brocade Communications Systems, Inc.
3  * All rights reserved
4  * www.brocade.com
5  *
6  * Linux driver for Brocade Fibre Channel Host Bus Adapter.
7  *
8  * This program is free software; you can redistribute it and/or modify it
9  * under the terms of the GNU General Public License (GPL) Version 2 as
10  * published by the Free Software Foundation
11  *
12  * This program is distributed in the hope that it will be useful, but
13  * WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
15  * General Public License for more details.
16  */
17 /*
18  * fcbuild.h - FC link service frame building and parsing routines
19  */
20
21 #ifndef __FCBUILD_H__
22 #define __FCBUILD_H__
23
24 #include <bfa_os_inc.h>
25 #include <protocol/fc.h>
26 #include <protocol/fcp.h>
27 #include <protocol/ct.h>
28 #include <defs/bfa_defs_port.h>
29 #include <defs/bfa_defs_pport.h>
30
31 /*
32  * Utility Macros/functions
33  */
34
35 #define fcif_sof_set(_ifhdr, _sof)      ((_ifhdr)->sof = FC_ ## _sof)
36 #define fcif_eof_set(_ifhdr, _eof)      ((_ifhdr)->eof = FC_ ## _eof)
37
38 #define wwn_is_equal(_wwn1, _wwn2)              \
39         (memcmp(&(_wwn1), &(_wwn2), sizeof(wwn_t)) == 0)
40
41 #define fc_roundup(_l, _s) (((_l) + ((_s) - 1)) & ~((_s) - 1))
42
43 /*
44  * Given the fc response length, this routine will return
45  * the length of the actual payload bytes following the CT header.
46  *
47  * Assumes the input response length does not include the crc, eof, etc.
48  */
49 static inline   u32
50 fc_get_ctresp_pyld_len(u32 resp_len)
51 {
52         return resp_len - sizeof(struct ct_hdr_s);
53 }
54
55 /*
56  * Convert bfa speed to rpsc speed value.
57  */
58 static inline enum bfa_pport_speed
59 fc_rpsc_operspeed_to_bfa_speed(enum fc_rpsc_op_speed_s speed)
60 {
61         switch (speed) {
62
63         case RPSC_OP_SPEED_1G:
64                 return BFA_PPORT_SPEED_1GBPS;
65
66         case RPSC_OP_SPEED_2G:
67                 return BFA_PPORT_SPEED_2GBPS;
68
69         case RPSC_OP_SPEED_4G:
70                 return BFA_PPORT_SPEED_4GBPS;
71
72         case RPSC_OP_SPEED_8G:
73                 return BFA_PPORT_SPEED_8GBPS;
74
75         case RPSC_OP_SPEED_10G:
76                 return BFA_PPORT_SPEED_10GBPS;
77
78         default:
79                 return BFA_PPORT_SPEED_UNKNOWN;
80         }
81 }
82
83 /*
84  * Convert RPSC speed to bfa speed value.
85  */
86 static inline   enum fc_rpsc_op_speed_s
87 fc_bfa_speed_to_rpsc_operspeed(enum bfa_pport_speed op_speed)
88 {
89         switch (op_speed) {
90
91         case BFA_PPORT_SPEED_1GBPS:
92                 return RPSC_OP_SPEED_1G;
93
94         case BFA_PPORT_SPEED_2GBPS:
95                 return RPSC_OP_SPEED_2G;
96
97         case BFA_PPORT_SPEED_4GBPS:
98                 return RPSC_OP_SPEED_4G;
99
100         case BFA_PPORT_SPEED_8GBPS:
101                 return RPSC_OP_SPEED_8G;
102
103         case BFA_PPORT_SPEED_10GBPS:
104                 return RPSC_OP_SPEED_10G;
105
106         default:
107                 return RPSC_OP_SPEED_NOT_EST;
108         }
109 }
110 enum fc_parse_status {
111         FC_PARSE_OK = 0,
112         FC_PARSE_FAILURE = 1,
113         FC_PARSE_BUSY = 2,
114         FC_PARSE_LEN_INVAL,
115         FC_PARSE_ACC_INVAL,
116         FC_PARSE_PWWN_NOT_EQUAL,
117         FC_PARSE_NWWN_NOT_EQUAL,
118         FC_PARSE_RXSZ_INVAL,
119         FC_PARSE_NOT_FCP,
120         FC_PARSE_OPAFLAG_INVAL,
121         FC_PARSE_RPAFLAG_INVAL,
122         FC_PARSE_OPA_INVAL,
123         FC_PARSE_RPA_INVAL,
124
125 };
126
127 struct fc_templates_s {
128         struct fchs_s          fc_els_req;
129         struct fchs_s          fc_bls_req;
130         struct fc_logi_s      plogi;
131         struct fc_rrq_s        rrq;
132 };
133
134 void fcbuild_init(void);
135
136 u16 fc_flogi_build(struct fchs_s *fchs, struct fc_logi_s *flogi,
137                         u32 s_id, u16 ox_id, wwn_t port_name,
138                         wwn_t node_name, u16 pdu_size, u8 set_npiv,
139                         u8 set_auth, u16 local_bb_credits);
140 u16 fc_fdisc_build(struct fchs_s *buf, struct fc_logi_s *flogi,
141                         u32 s_id, u16 ox_id, wwn_t port_name,
142                         wwn_t node_name, u16 pdu_size);
143 u16 fc_flogi_acc_build(struct fchs_s *fchs, struct fc_logi_s *flogi,
144                         u32 s_id, u16 ox_id, wwn_t port_name,
145                         wwn_t node_name, u16 pdu_size,
146                         u16 local_bb_credits);
147 u16 fc_plogi_build(struct fchs_s *fchs, void *pld, u32 d_id,
148                         u32 s_id, u16 ox_id, wwn_t port_name,
149                         wwn_t node_name, u16 pdu_size);
150 enum fc_parse_status fc_plogi_parse(struct fchs_s *fchs);
151 u16 fc_abts_build(struct fchs_s *buf, u32 d_id, u32 s_id,
152                         u16 ox_id);
153 enum fc_parse_status fc_abts_rsp_parse(struct fchs_s *buf, int len);
154 u16 fc_rrq_build(struct fchs_s *buf, struct fc_rrq_s *rrq, u32 d_id,
155                         u32 s_id, u16 ox_id, u16 rrq_oxid);
156 enum fc_parse_status fc_rrq_rsp_parse(struct fchs_s *buf, int len);
157 u16 fc_rspnid_build(struct fchs_s *fchs, void *pld, u32 s_id,
158                         u16 ox_id, u8 *name);
159 u16 fc_rftid_build(struct fchs_s *fchs, void *pld, u32 s_id,
160                         u16 ox_id, enum bfa_port_role role);
161 u16 fc_rftid_build_sol(struct fchs_s *fchs, void *pyld, u32 s_id,
162                         u16 ox_id, u8 *fc4_bitmap,
163                         u32 bitmap_size);
164 u16 fc_rffid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
165                         u16 ox_id, u8 fc4_type, u8 fc4_ftrs);
166 u16 fc_gidpn_build(struct fchs_s *fchs, void *pyld, u32 s_id,
167                         u16 ox_id, wwn_t port_name);
168 u16 fc_gpnid_build(struct fchs_s *fchs, void *pld, u32 s_id,
169                         u16 ox_id, u32 port_id);
170 u16 fc_scr_build(struct fchs_s *fchs, struct fc_scr_s *scr,
171                         u8 set_br_reg, u32 s_id, u16 ox_id);
172 u16 fc_plogi_acc_build(struct fchs_s *fchs, void *pld, u32 d_id,
173                         u32 s_id, u16 ox_id,
174                         wwn_t port_name, wwn_t node_name, u16 pdu_size);
175
176 u16 fc_adisc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc,
177                         u32 d_id, u32 s_id, u16 ox_id,
178                         wwn_t port_name, wwn_t node_name);
179 enum fc_parse_status fc_adisc_parse(struct fchs_s *fchs, void *pld,
180                         u32 host_dap,
181                         wwn_t node_name, wwn_t port_name);
182 enum fc_parse_status fc_adisc_rsp_parse(struct fc_adisc_s *adisc, int len,
183                         wwn_t port_name, wwn_t node_name);
184 u16 fc_adisc_acc_build(struct fchs_s *fchs, struct fc_adisc_s *adisc,
185                         u32 d_id, u32 s_id, u16 ox_id,
186                         wwn_t port_name, wwn_t node_name);
187 u16 fc_ls_rjt_build(struct fchs_s *fchs, struct fc_ls_rjt_s *ls_rjt,
188                         u32 d_id, u32 s_id, u16 ox_id,
189                         u8 reason_code, u8 reason_code_expl);
190 u16 fc_ls_acc_build(struct fchs_s *fchs, struct fc_els_cmd_s *els_cmd,
191                         u32 d_id, u32 s_id, u16 ox_id);
192 u16 fc_prli_build(struct fchs_s *fchs, void *pld, u32 d_id,
193                         u32 s_id, u16 ox_id);
194 enum fc_parse_status fc_prli_rsp_parse(struct fc_prli_s *prli, int len);
195
196 u16 fc_prli_acc_build(struct fchs_s *fchs, void *pld, u32 d_id,
197                         u32 s_id, u16 ox_id,
198                         enum bfa_port_role role);
199 u16 fc_rnid_build(struct fchs_s *fchs, struct fc_rnid_cmd_s *rnid,
200                         u32 d_id, u32 s_id, u16 ox_id,
201                         u32 data_format);
202 u16 fc_rnid_acc_build(struct fchs_s *fchs, struct fc_rnid_acc_s *rnid_acc,
203                         u32 d_id, u32 s_id, u16 ox_id,
204                         u32 data_format,
205                         struct fc_rnid_common_id_data_s *common_id_data,
206                         struct fc_rnid_general_topology_data_s *
207                         gen_topo_data);
208 u16 fc_rpsc2_build(struct fchs_s *fchs, struct fc_rpsc2_cmd_s *rps2c,
209                         u32 d_id, u32 s_id,
210                         u32 *pid_list, u16 npids);
211 u16 fc_rpsc_build(struct fchs_s *fchs, struct fc_rpsc_cmd_s *rpsc,
212                         u32 d_id, u32 s_id, u16 ox_id);
213 u16 fc_rpsc_acc_build(struct fchs_s *fchs, struct fc_rpsc_acc_s *rpsc_acc,
214                         u32 d_id, u32 s_id, u16 ox_id,
215                         struct fc_rpsc_speed_info_s *oper_speed);
216 u16 fc_gid_ft_build(struct fchs_s *fchs, void *pld, u32 s_id,
217                         u8 fc4_type);
218 u16 fc_rpnid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
219                         u32 port_id, wwn_t port_name);
220 u16 fc_rnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
221                         u32 port_id, wwn_t node_name);
222 u16 fc_rcsid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
223                         u32 port_id, u32 cos);
224 u16 fc_rptid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
225                         u32 port_id, u8 port_type);
226 u16 fc_ganxt_build(struct fchs_s *fchs, void *pyld, u32 s_id,
227                         u32 port_id);
228 u16 fc_logo_build(struct fchs_s *fchs, struct fc_logo_s *logo,
229                         u32 d_id, u32 s_id, u16 ox_id,
230                         wwn_t port_name);
231 u16 fc_logo_acc_build(struct fchs_s *fchs, void *pld, u32 d_id,
232                         u32 s_id, u16 ox_id);
233 u16 fc_fdmi_reqhdr_build(struct fchs_s *fchs, void *pyld, u32 s_id,
234                         u16 cmd_code);
235 u16 fc_gmal_req_build(struct fchs_s *fchs, void *pyld, u32 s_id,
236                         wwn_t wwn);
237 u16 fc_gfn_req_build(struct fchs_s *fchs, void *pyld, u32 s_id,
238                         wwn_t wwn);
239 void fc_get_fc4type_bitmask(u8 fc4_type, u8 *bit_mask);
240 void fc_els_req_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
241                         u16 ox_id);
242 enum fc_parse_status fc_els_rsp_parse(struct fchs_s *fchs, int len);
243 enum fc_parse_status fc_plogi_rsp_parse(struct fchs_s *fchs, int len,
244                          wwn_t port_name);
245 enum fc_parse_status fc_prli_parse(struct fc_prli_s *prli);
246 enum fc_parse_status fc_pdisc_parse(struct fchs_s *fchs, wwn_t node_name,
247                         wwn_t port_name);
248 u16 fc_ba_acc_build(struct fchs_s *fchs, struct fc_ba_acc_s *ba_acc,
249                         u32 d_id, u32 s_id, u16 ox_id,
250                         u16 rx_id);
251 int fc_logout_params_pages(struct fchs_s *fc_frame, u8 els_code);
252 u16 fc_tprlo_acc_build(struct fchs_s *fchs,
253                         struct fc_tprlo_acc_s *tprlo_acc,
254                         u32 d_id, u32 s_id, u16 ox_id,
255                         int num_pages);
256 u16 fc_prlo_acc_build(struct fchs_s *fchs, struct fc_prlo_acc_s *prlo_acc,
257                         u32 d_id, u32 s_id, u16 ox_id,
258                         int num_pages);
259 u16 fc_logo_rsp_parse(struct fchs_s *fchs, int len);
260 u16 fc_pdisc_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
261                         u16 ox_id, wwn_t port_name, wwn_t node_name,
262                         u16 pdu_size);
263 u16 fc_pdisc_rsp_parse(struct fchs_s *fchs, int len, wwn_t port_name);
264 u16 fc_prlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
265                         u16 ox_id, int num_pages);
266 u16 fc_prlo_rsp_parse(struct fchs_s *fchs, int len);
267 u16 fc_tprlo_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
268                         u16 ox_id, int num_pages,
269                         enum fc_tprlo_type tprlo_type, u32 tpr_id);
270 u16 fc_tprlo_rsp_parse(struct fchs_s *fchs, int len);
271 u16 fc_ba_rjt_build(struct fchs_s *fchs, u32 d_id, u32 s_id,
272                         u16 ox_id, u32 reason_code,
273                         u32 reason_expl);
274 u16 fc_gnnid_build(struct fchs_s *fchs, void *pyld, u32 s_id,
275                         u16 ox_id, u32 port_id);
276 u16 fc_ct_rsp_parse(struct ct_hdr_s *cthdr);
277 u16 fc_rscn_build(struct fchs_s *fchs, struct fc_rscn_pl_s *rscn,
278                         u32 s_id, u16 ox_id);
279 #endif