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Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
[linux/fpc-iii.git] / drivers / scsi / csiostor / t4fw_api_stor.h
blob097e52c0f8e1da9c7d0c924dd154c4a8302d20fb
1 /*
2 * This file is part of the Chelsio FCoE driver for Linux.
3 *
4 * Copyright (c) 2009-2010 Chelsio Communications, Inc. All rights reserved.
5 *
6 * This software is available to you under a choice of one of two
7 * licenses. You may choose to be licensed under the terms of the GNU
8 * General Public License (GPL) Version 2, available from the file
9 * COPYING in the main directory of this source tree, or the
10 * OpenIB.org BSD license below:
11 *
12 * Redistribution and use in source and binary forms, with or
13 * without modification, are permitted provided that the following
14 * conditions are met:
15 *
16 * - Redistributions of source code must retain the above
17 * copyright notice, this list of conditions and the following
18 * disclaimer.
19 *
20 * - Redistributions in binary form must reproduce the above
21 * copyright notice, this list of conditions and the following
22 * disclaimer in the documentation and/or other materials
23 * provided with the distribution.
24 *
25 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32 * SOFTWARE.
33 */
34
35 #ifndef _T4FW_API_STOR_H_
36 #define _T4FW_API_STOR_H_
37
38
39 /******************************************************************************
40 * R E T U R N V A L U E S
41 ********************************/
42
43 enum fw_fcoe_link_sub_op {
44 FCOE_LINK_DOWN = 0x0,
45 FCOE_LINK_UP = 0x1,
46 FCOE_LINK_COND = 0x2,
47 };
48
49 enum fw_fcoe_link_status {
50 FCOE_LINKDOWN = 0x0,
51 FCOE_LINKUP = 0x1,
52 };
53
54 enum fw_ofld_prot {
55 PROT_FCOE = 0x1,
56 PROT_ISCSI = 0x2,
57 };
58
59 enum rport_type_fcoe {
60 FLOGI_VFPORT = 0x1, /* 0xfffffe */
61 FDISC_VFPORT = 0x2, /* 0xfffffe */
62 NS_VNPORT = 0x3, /* 0xfffffc */
63 REG_FC4_VNPORT = 0x4, /* any FC4 type VN_PORT */
64 REG_VNPORT = 0x5, /* 0xfffxxx - non FC4 port in switch */
65 FDMI_VNPORT = 0x6, /* 0xfffffa */
66 FAB_CTLR_VNPORT = 0x7, /* 0xfffffd */
67 };
68
69 enum event_cause_fcoe {
70 PLOGI_ACC_RCVD = 0x01,
71 PLOGI_RJT_RCVD = 0x02,
72 PLOGI_RCVD = 0x03,
73 PLOGO_RCVD = 0x04,
74 PRLI_ACC_RCVD = 0x05,
75 PRLI_RJT_RCVD = 0x06,
76 PRLI_RCVD = 0x07,
77 PRLO_RCVD = 0x08,
78 NPORT_ID_CHGD = 0x09,
79 FLOGO_RCVD = 0x0a,
80 CLR_VIRT_LNK_RCVD = 0x0b,
81 FLOGI_ACC_RCVD = 0x0c,
82 FLOGI_RJT_RCVD = 0x0d,
83 FDISC_ACC_RCVD = 0x0e,
84 FDISC_RJT_RCVD = 0x0f,
85 FLOGI_TMO_MAX_RETRY = 0x10,
86 IMPL_LOGO_ADISC_ACC = 0x11,
87 IMPL_LOGO_ADISC_RJT = 0x12,
88 IMPL_LOGO_ADISC_CNFLT = 0x13,
89 PRLI_TMO = 0x14,
90 ADISC_TMO = 0x15,
91 RSCN_DEV_LOST = 0x16,
92 SCR_ACC_RCVD = 0x17,
93 ADISC_RJT_RCVD = 0x18,
94 LOGO_SNT = 0x19,
95 PROTO_ERR_IMPL_LOGO = 0x1a,
96 };
97
98 enum fcoe_cmn_type {
99 FCOE_ELS,
100 FCOE_CT,
101 FCOE_SCSI_CMD,
102 FCOE_UNSOL_ELS,
103 };
104
105 enum fw_wr_stor_opcodes {
106 FW_RDEV_WR = 0x38,
107 FW_FCOE_ELS_CT_WR = 0x30,
108 FW_SCSI_WRITE_WR = 0x31,
109 FW_SCSI_READ_WR = 0x32,
110 FW_SCSI_CMD_WR = 0x33,
111 FW_SCSI_ABRT_CLS_WR = 0x34,
112 };
113
114 struct fw_rdev_wr {
115 __be32 op_to_immdlen;
116 __be32 alloc_to_len16;
117 __be64 cookie;
118 u8 protocol;
119 u8 event_cause;
120 u8 cur_state;
121 u8 prev_state;
122 __be32 flags_to_assoc_flowid;
123 union rdev_entry {
124 struct fcoe_rdev_entry {
125 __be32 flowid;
126 u8 protocol;
127 u8 event_cause;
128 u8 flags;
129 u8 rjt_reason;
130 u8 cur_login_st;
131 u8 prev_login_st;
132 __be16 rcv_fr_sz;
133 u8 rd_xfer_rdy_to_rport_type;
134 u8 vft_to_qos;
135 u8 org_proc_assoc_to_acc_rsp_code;
136 u8 enh_disc_to_tgt;
137 u8 wwnn[8];
138 u8 wwpn[8];
139 __be16 iqid;
140 u8 fc_oui[3];
141 u8 r_id[3];
142 } fcoe_rdev;
143 struct iscsi_rdev_entry {
144 __be32 flowid;
145 u8 protocol;
146 u8 event_cause;
147 u8 flags;
148 u8 r3;
149 __be16 iscsi_opts;
150 __be16 tcp_opts;
151 __be16 ip_opts;
152 __be16 max_rcv_len;
153 __be16 max_snd_len;
154 __be16 first_brst_len;
155 __be16 max_brst_len;
156 __be16 r4;
157 __be16 def_time2wait;
158 __be16 def_time2ret;
159 __be16 nop_out_intrvl;
160 __be16 non_scsi_to;
161 __be16 isid;
162 __be16 tsid;
163 __be16 port;
164 __be16 tpgt;
165 u8 r5[6];
166 __be16 iqid;
167 } iscsi_rdev;
168 } u;
169 };
170
171 #define FW_RDEV_WR_FLOWID_GET(x) (((x) >> 8) & 0xfffff)
172 #define FW_RDEV_WR_ASSOC_FLOWID_GET(x) (((x) >> 0) & 0xfffff)
173 #define FW_RDEV_WR_RPORT_TYPE_GET(x) (((x) >> 0) & 0x1f)
174 #define FW_RDEV_WR_NPIV_GET(x) (((x) >> 6) & 0x1)
175 #define FW_RDEV_WR_CLASS_GET(x) (((x) >> 4) & 0x3)
176 #define FW_RDEV_WR_TASK_RETRY_ID_GET(x) (((x) >> 5) & 0x1)
177 #define FW_RDEV_WR_RETRY_GET(x) (((x) >> 4) & 0x1)
178 #define FW_RDEV_WR_CONF_CMPL_GET(x) (((x) >> 3) & 0x1)
179 #define FW_RDEV_WR_INI_GET(x) (((x) >> 1) & 0x1)
180 #define FW_RDEV_WR_TGT_GET(x) (((x) >> 0) & 0x1)
181
182 struct fw_fcoe_els_ct_wr {
183 __be32 op_immdlen;
184 __be32 flowid_len16;
185 u64 cookie;
186 __be16 iqid;
187 u8 tmo_val;
188 u8 els_ct_type;
189 u8 ctl_pri;
190 u8 cp_en_class;
191 __be16 xfer_cnt;
192 u8 fl_to_sp;
193 u8 l_id[3];
194 u8 r5;
195 u8 r_id[3];
196 __be64 rsp_dmaaddr;
197 __be32 rsp_dmalen;
198 __be32 r6;
199 };
200
201 #define FW_FCOE_ELS_CT_WR_OPCODE(x) ((x) << 24)
202 #define FW_FCOE_ELS_CT_WR_OPCODE_GET(x) (((x) >> 24) & 0xff)
203 #define FW_FCOE_ELS_CT_WR_IMMDLEN(x) ((x) << 0)
204 #define FW_FCOE_ELS_CT_WR_IMMDLEN_GET(x) (((x) >> 0) & 0xff)
205 #define FW_FCOE_ELS_CT_WR_SP(x) ((x) << 0)
206
207 struct fw_scsi_write_wr {
208 __be32 op_immdlen;
209 __be32 flowid_len16;
210 u64 cookie;
211 __be16 iqid;
212 u8 tmo_val;
213 u8 use_xfer_cnt;
214 union fw_scsi_write_priv {
215 struct fcoe_write_priv {
216 u8 ctl_pri;
217 u8 cp_en_class;
218 u8 r3_lo[2];
219 } fcoe;
220 struct iscsi_write_priv {
221 u8 r3[4];
222 } iscsi;
223 } u;
224 __be32 xfer_cnt;
225 __be32 ini_xfer_cnt;
226 __be64 rsp_dmaaddr;
227 __be32 rsp_dmalen;
228 __be32 r4;
229 };
230
231 #define FW_SCSI_WRITE_WR_IMMDLEN(x) ((x) << 0)
232
233 struct fw_scsi_read_wr {
234 __be32 op_immdlen;
235 __be32 flowid_len16;
236 u64 cookie;
237 __be16 iqid;
238 u8 tmo_val;
239 u8 use_xfer_cnt;
240 union fw_scsi_read_priv {
241 struct fcoe_read_priv {
242 u8 ctl_pri;
243 u8 cp_en_class;
244 u8 r3_lo[2];
245 } fcoe;
246 struct iscsi_read_priv {
247 u8 r3[4];
248 } iscsi;
249 } u;
250 __be32 xfer_cnt;
251 __be32 ini_xfer_cnt;
252 __be64 rsp_dmaaddr;
253 __be32 rsp_dmalen;
254 __be32 r4;
255 };
256
257 #define FW_SCSI_READ_WR_IMMDLEN(x) ((x) << 0)
258
259 struct fw_scsi_cmd_wr {
260 __be32 op_immdlen;
261 __be32 flowid_len16;
262 u64 cookie;
263 __be16 iqid;
264 u8 tmo_val;
265 u8 r3;
266 union fw_scsi_cmd_priv {
267 struct fcoe_cmd_priv {
268 u8 ctl_pri;
269 u8 cp_en_class;
270 u8 r4_lo[2];
271 } fcoe;
272 struct iscsi_cmd_priv {
273 u8 r4[4];
274 } iscsi;
275 } u;
276 u8 r5[8];
277 __be64 rsp_dmaaddr;
278 __be32 rsp_dmalen;
279 __be32 r6;
280 };
281
282 #define FW_SCSI_CMD_WR_IMMDLEN(x) ((x) << 0)
283
284 #define SCSI_ABORT 0
285 #define SCSI_CLOSE 1
286
287 struct fw_scsi_abrt_cls_wr {
288 __be32 op_immdlen;
289 __be32 flowid_len16;
290 u64 cookie;
291 __be16 iqid;
292 u8 tmo_val;
293 u8 sub_opcode_to_chk_all_io;
294 u8 r3[4];
295 u64 t_cookie;
296 };
297
298 #define FW_SCSI_ABRT_CLS_WR_SUB_OPCODE(x) ((x) << 2)
299 #define FW_SCSI_ABRT_CLS_WR_SUB_OPCODE_GET(x) (((x) >> 2) & 0x3f)
300 #define FW_SCSI_ABRT_CLS_WR_CHK_ALL_IO(x) ((x) << 0)
301
302 enum fw_cmd_stor_opcodes {
303 FW_FCOE_RES_INFO_CMD = 0x31,
304 FW_FCOE_LINK_CMD = 0x32,
305 FW_FCOE_VNP_CMD = 0x33,
306 FW_FCOE_SPARAMS_CMD = 0x35,
307 FW_FCOE_STATS_CMD = 0x37,
308 FW_FCOE_FCF_CMD = 0x38,
309 };
310
311 struct fw_fcoe_res_info_cmd {
312 __be32 op_to_read;
313 __be32 retval_len16;
314 __be16 e_d_tov;
315 __be16 r_a_tov_seq;
316 __be16 r_a_tov_els;
317 __be16 r_r_tov;
318 __be32 max_xchgs;
319 __be32 max_ssns;
320 __be32 used_xchgs;
321 __be32 used_ssns;
322 __be32 max_fcfs;
323 __be32 max_vnps;
324 __be32 used_fcfs;
325 __be32 used_vnps;
326 };
327
328 struct fw_fcoe_link_cmd {
329 __be32 op_to_portid;
330 __be32 retval_len16;
331 __be32 sub_opcode_fcfi;
332 u8 r3;
333 u8 lstatus;
334 __be16 flags;
335 u8 r4;
336 u8 set_vlan;
337 __be16 vlan_id;
338 __be32 vnpi_pkd;
339 __be16 r6;
340 u8 phy_mac[6];
341 u8 vnport_wwnn[8];
342 u8 vnport_wwpn[8];
343 };
344
345 #define FW_FCOE_LINK_CMD_PORTID(x) ((x) << 0)
346 #define FW_FCOE_LINK_CMD_PORTID_GET(x) (((x) >> 0) & 0xf)
347 #define FW_FCOE_LINK_CMD_SUB_OPCODE(x) ((x) << 24U)
348 #define FW_FCOE_LINK_CMD_FCFI(x) ((x) << 0)
349 #define FW_FCOE_LINK_CMD_FCFI_GET(x) (((x) >> 0) & 0xffffff)
350 #define FW_FCOE_LINK_CMD_VNPI_GET(x) (((x) >> 0) & 0xfffff)
351
352 struct fw_fcoe_vnp_cmd {
353 __be32 op_to_fcfi;
354 __be32 alloc_to_len16;
355 __be32 gen_wwn_to_vnpi;
356 __be32 vf_id;
357 __be16 iqid;
358 u8 vnport_mac[6];
359 u8 vnport_wwnn[8];
360 u8 vnport_wwpn[8];
361 u8 cmn_srv_parms[16];
362 u8 clsp_word_0_1[8];
363 };
364
365 #define FW_FCOE_VNP_CMD_FCFI(x) ((x) << 0)
366 #define FW_FCOE_VNP_CMD_ALLOC (1U << 31)
367 #define FW_FCOE_VNP_CMD_FREE (1U << 30)
368 #define FW_FCOE_VNP_CMD_MODIFY (1U << 29)
369 #define FW_FCOE_VNP_CMD_GEN_WWN (1U << 22)
370 #define FW_FCOE_VNP_CMD_VFID_EN (1U << 20)
371 #define FW_FCOE_VNP_CMD_VNPI(x) ((x) << 0)
372 #define FW_FCOE_VNP_CMD_VNPI_GET(x) (((x) >> 0) & 0xfffff)
373
374 struct fw_fcoe_sparams_cmd {
375 __be32 op_to_portid;
376 __be32 retval_len16;
377 u8 r3[7];
378 u8 cos;
379 u8 lport_wwnn[8];
380 u8 lport_wwpn[8];
381 u8 cmn_srv_parms[16];
382 u8 cls_srv_parms[16];
383 };
384
385 #define FW_FCOE_SPARAMS_CMD_PORTID(x) ((x) << 0)
386
387 struct fw_fcoe_stats_cmd {
388 __be32 op_to_flowid;
389 __be32 free_to_len16;
390 union fw_fcoe_stats {
391 struct fw_fcoe_stats_ctl {
392 u8 nstats_port;
393 u8 port_valid_ix;
394 __be16 r6;
395 __be32 r7;
396 __be64 stat0;
397 __be64 stat1;
398 __be64 stat2;
399 __be64 stat3;
400 __be64 stat4;
401 __be64 stat5;
402 } ctl;
403 struct fw_fcoe_port_stats {
404 __be64 tx_bcast_bytes;
405 __be64 tx_bcast_frames;
406 __be64 tx_mcast_bytes;
407 __be64 tx_mcast_frames;
408 __be64 tx_ucast_bytes;
409 __be64 tx_ucast_frames;
410 __be64 tx_drop_frames;
411 __be64 tx_offload_bytes;
412 __be64 tx_offload_frames;
413 __be64 rx_bcast_bytes;
414 __be64 rx_bcast_frames;
415 __be64 rx_mcast_bytes;
416 __be64 rx_mcast_frames;
417 __be64 rx_ucast_bytes;
418 __be64 rx_ucast_frames;
419 __be64 rx_err_frames;
420 } port_stats;
421 struct fw_fcoe_fcf_stats {
422 __be32 fip_tx_bytes;
423 __be32 fip_tx_fr;
424 __be64 fcf_ka;
425 __be64 mcast_adv_rcvd;
426 __be16 ucast_adv_rcvd;
427 __be16 sol_sent;
428 __be16 vlan_req;
429 __be16 vlan_rpl;
430 __be16 clr_vlink;
431 __be16 link_down;
432 __be16 link_up;
433 __be16 logo;
434 __be16 flogi_req;
435 __be16 flogi_rpl;
436 __be16 fdisc_req;
437 __be16 fdisc_rpl;
438 __be16 fka_prd_chg;
439 __be16 fc_map_chg;
440 __be16 vfid_chg;
441 u8 no_fka_req;
442 u8 no_vnp;
443 } fcf_stats;
444 struct fw_fcoe_pcb_stats {
445 __be64 tx_bytes;
446 __be64 tx_frames;
447 __be64 rx_bytes;
448 __be64 rx_frames;
449 __be32 vnp_ka;
450 __be32 unsol_els_rcvd;
451 __be64 unsol_cmd_rcvd;
452 __be16 implicit_logo;
453 __be16 flogi_inv_sparm;
454 __be16 fdisc_inv_sparm;
455 __be16 flogi_rjt;
456 __be16 fdisc_rjt;
457 __be16 no_ssn;
458 __be16 mac_flt_fail;
459 __be16 inv_fr_rcvd;
460 } pcb_stats;
461 struct fw_fcoe_scb_stats {
462 __be64 tx_bytes;
463 __be64 tx_frames;
464 __be64 rx_bytes;
465 __be64 rx_frames;
466 __be32 host_abrt_req;
467 __be32 adap_auto_abrt;
468 __be32 adap_abrt_rsp;
469 __be32 host_ios_req;
470 __be16 ssn_offl_ios;
471 __be16 ssn_not_rdy_ios;
472 u8 rx_data_ddp_err;
473 u8 ddp_flt_set_err;
474 __be16 rx_data_fr_err;
475 u8 bad_st_abrt_req;
476 u8 no_io_abrt_req;
477 u8 abort_tmo;
478 u8 abort_tmo_2;
479 __be32 abort_req;
480 u8 no_ppod_res_tmo;
481 u8 bp_tmo;
482 u8 adap_auto_cls;
483 u8 no_io_cls_req;
484 __be32 host_cls_req;
485 __be64 unsol_cmd_rcvd;
486 __be32 plogi_req_rcvd;
487 __be32 prli_req_rcvd;
488 __be16 logo_req_rcvd;
489 __be16 prlo_req_rcvd;
490 __be16 plogi_rjt_rcvd;
491 __be16 prli_rjt_rcvd;
492 __be32 adisc_req_rcvd;
493 __be32 rscn_rcvd;
494 __be32 rrq_req_rcvd;
495 __be32 unsol_els_rcvd;
496 u8 adisc_rjt_rcvd;
497 u8 scr_rjt;
498 u8 ct_rjt;
499 u8 inval_bls_rcvd;
500 __be32 ba_rjt_rcvd;
501 } scb_stats;
502 } u;
503 };
504
505 #define FW_FCOE_STATS_CMD_FLOWID(x) ((x) << 0)
506 #define FW_FCOE_STATS_CMD_FREE (1U << 30)
507 #define FW_FCOE_STATS_CMD_NSTATS(x) ((x) << 4)
508 #define FW_FCOE_STATS_CMD_PORT(x) ((x) << 0)
509 #define FW_FCOE_STATS_CMD_PORT_VALID (1U << 7)
510 #define FW_FCOE_STATS_CMD_IX(x) ((x) << 0)
511
512 struct fw_fcoe_fcf_cmd {
513 __be32 op_to_fcfi;
514 __be32 retval_len16;
515 __be16 priority_pkd;
516 u8 mac[6];
517 u8 name_id[8];
518 u8 fabric[8];
519 __be16 vf_id;
520 __be16 max_fcoe_size;
521 u8 vlan_id;
522 u8 fc_map[3];
523 __be32 fka_adv;
524 __be32 r6;
525 u8 r7_hi;
526 u8 fpma_to_portid;
527 u8 spma_mac[6];
528 __be64 r8;
529 };
530
531 #define FW_FCOE_FCF_CMD_FCFI(x) ((x) << 0)
532 #define FW_FCOE_FCF_CMD_FCFI_GET(x) (((x) >> 0) & 0xfffff)
533 #define FW_FCOE_FCF_CMD_PRIORITY_GET(x) (((x) >> 0) & 0xff)
534 #define FW_FCOE_FCF_CMD_FPMA_GET(x) (((x) >> 6) & 0x1)
535 #define FW_FCOE_FCF_CMD_SPMA_GET(x) (((x) >> 5) & 0x1)
536 #define FW_FCOE_FCF_CMD_LOGIN_GET(x) (((x) >> 4) & 0x1)
537 #define FW_FCOE_FCF_CMD_PORTID_GET(x) (((x) >> 0) & 0xf)
538
539 #endif /* _T4FW_API_STOR_H_ */
Linux with added FPC-III support