xref: /openbmc/linux/drivers/net/ethernet/ibm/ibmvnic.h (revision 293d5b43) 
1 /**************************************************************************/
2 /*                                                                        */
3 /*  IBM System i and System p Virtual NIC Device Driver                   */
4 /*  Copyright (C) 2014 IBM Corp.                                          */
5 /*  Santiago Leon (santi_leon@yahoo.com)                                  */
6 /*  Thomas Falcon (tlfalcon@linux.vnet.ibm.com)                           */
7 /*  John Allen (jallen@linux.vnet.ibm.com)                                */
8 /*                                                                        */
9 /*  This program is free software; you can redistribute it and/or modify  */
10 /*  it under the terms of the GNU General Public License as published by  */
11 /*  the Free Software Foundation; either version 2 of the License, or     */
12 /*  (at your option) any later version.                                   */
13 /*                                                                        */
14 /*  This program is distributed in the hope that it will be useful,       */
15 /*  but WITHOUT ANY WARRANTY; without even the implied warranty of        */
16 /*  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         */
17 /*  GNU General Public License for more details.                          */
18 /*                                                                        */
19 /*  You should have received a copy of the GNU General Public License     */
20 /*  along with this program.                                              */
21 /*                                                                        */
22 /* This module contains the implementation of a virtual ethernet device   */
23 /* for use with IBM i/pSeries LPAR Linux.  It utilizes the logical LAN    */
24 /* option of the RS/6000 Platform Architecture to interface with virtual */
25 /* ethernet NICs that are presented to the partition by the hypervisor.   */
26 /*                                                                        */
27 /**************************************************************************/
28 
29 #define IBMVNIC_NAME		"ibmvnic"
30 #define IBMVNIC_DRIVER_VERSION	"1.0"
31 #define IBMVNIC_INVALID_MAP	-1
32 #define IBMVNIC_STATS_TIMEOUT	1
33 /* basic structures plus 100 2k buffers */
34 #define IBMVNIC_IO_ENTITLEMENT_DEFAULT	610305
35 
36 /* Initial module_parameters */
37 #define IBMVNIC_RX_WEIGHT		16
38 /* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */
39 #define IBMVNIC_BUFFS_PER_POOL	100
40 #define IBMVNIC_MAX_TX_QUEUES	5
41 
42 struct ibmvnic_login_buffer {
43 	__be32 len;
44 	__be32 version;
45 #define INITIAL_VERSION_LB 1
46 	__be32 num_txcomp_subcrqs;
47 	__be32 off_txcomp_subcrqs;
48 	__be32 num_rxcomp_subcrqs;
49 	__be32 off_rxcomp_subcrqs;
50 	__be32 login_rsp_ioba;
51 	__be32 login_rsp_len;
52 } __packed __aligned(8);
53 
54 struct ibmvnic_login_rsp_buffer {
55 	__be32 len;
56 	__be32 version;
57 #define INITIAL_VERSION_LRB 1
58 	__be32 num_txsubm_subcrqs;
59 	__be32 off_txsubm_subcrqs;
60 	__be32 num_rxadd_subcrqs;
61 	__be32 off_rxadd_subcrqs;
62 	__be32 off_rxadd_buff_size;
63 	__be32 num_supp_tx_desc;
64 	__be32 off_supp_tx_desc;
65 } __packed __aligned(8);
66 
67 struct ibmvnic_query_ip_offload_buffer {
68 	__be32 len;
69 	__be32 version;
70 #define INITIAL_VERSION_IOB 1
71 	u8 ipv4_chksum;
72 	u8 ipv6_chksum;
73 	u8 tcp_ipv4_chksum;
74 	u8 tcp_ipv6_chksum;
75 	u8 udp_ipv4_chksum;
76 	u8 udp_ipv6_chksum;
77 	u8 large_tx_ipv4;
78 	u8 large_tx_ipv6;
79 	u8 large_rx_ipv4;
80 	u8 large_rx_ipv6;
81 	u8 reserved1[14];
82 	__be16 max_ipv4_header_size;
83 	__be16 max_ipv6_header_size;
84 	__be16 max_tcp_header_size;
85 	__be16 max_udp_header_size;
86 	__be32 max_large_tx_size;
87 	__be32 max_large_rx_size;
88 	u8 reserved2[16];
89 	u8 ipv6_extension_header;
90 #define IPV6_EH_NOT_SUPPORTED	0x00
91 #define IPV6_EH_SUPPORTED_LIM	0x01
92 #define IPV6_EH_SUPPORTED	0xFF
93 	u8 tcp_pseudosum_req;
94 #define TCP_PS_NOT_REQUIRED	0x00
95 #define TCP_PS_REQUIRED		0x01
96 	u8 reserved3[30];
97 	__be16 num_ipv6_ext_headers;
98 	__be32 off_ipv6_ext_headers;
99 	u8 reserved4[154];
100 } __packed __aligned(8);
101 
102 struct ibmvnic_control_ip_offload_buffer {
103 	__be32 len;
104 	__be32 version;
105 #define INITIAL_VERSION_IOB 1
106 	u8 ipv4_chksum;
107 	u8 ipv6_chksum;
108 	u8 tcp_ipv4_chksum;
109 	u8 tcp_ipv6_chksum;
110 	u8 udp_ipv4_chksum;
111 	u8 udp_ipv6_chksum;
112 	u8 large_tx_ipv4;
113 	u8 large_tx_ipv6;
114 	u8 bad_packet_rx;
115 	u8 large_rx_ipv4;
116 	u8 large_rx_ipv6;
117 	u8 reserved4[111];
118 } __packed __aligned(8);
119 
120 struct ibmvnic_fw_component {
121 	u8 name[48];
122 	__be32 trace_buff_size;
123 	u8 correlator;
124 	u8 trace_level;
125 	u8 parent_correlator;
126 	u8 error_check_level;
127 	u8 trace_on;
128 	u8 reserved[7];
129 	u8 description[192];
130 } __packed __aligned(8);
131 
132 struct ibmvnic_fw_trace_entry {
133 	__be32 trace_id;
134 	u8 num_valid_data;
135 	u8 reserved[3];
136 	__be64 pmc_registers;
137 	__be64 timebase;
138 	__be64 trace_data[5];
139 } __packed __aligned(8);
140 
141 struct ibmvnic_statistics {
142 	__be32 version;
143 	__be32 promiscuous;
144 	__be64 rx_packets;
145 	__be64 rx_bytes;
146 	__be64 tx_packets;
147 	__be64 tx_bytes;
148 	__be64 ucast_tx_packets;
149 	__be64 ucast_rx_packets;
150 	__be64 mcast_tx_packets;
151 	__be64 mcast_rx_packets;
152 	__be64 bcast_tx_packets;
153 	__be64 bcast_rx_packets;
154 	__be64 align_errors;
155 	__be64 fcs_errors;
156 	__be64 single_collision_frames;
157 	__be64 multi_collision_frames;
158 	__be64 sqe_test_errors;
159 	__be64 deferred_tx;
160 	__be64 late_collisions;
161 	__be64 excess_collisions;
162 	__be64 internal_mac_tx_errors;
163 	__be64 carrier_sense;
164 	__be64 too_long_frames;
165 	__be64 internal_mac_rx_errors;
166 	u8 reserved[72];
167 } __packed __aligned(8);
168 
169 struct ibmvnic_acl_buffer {
170 	__be32 len;
171 	__be32 version;
172 #define INITIAL_VERSION_IOB 1
173 	u8 mac_acls_restrict;
174 	u8 vlan_acls_restrict;
175 	u8 reserved1[22];
176 	__be32 num_mac_addrs;
177 	__be32 offset_mac_addrs;
178 	__be32 num_vlan_ids;
179 	__be32 offset_vlan_ids;
180 	u8 reserved2[80];
181 } __packed __aligned(8);
182 
183 /* descriptors have been changed, how should this be defined?  1? 4? */
184 
185 #define IBMVNIC_TX_DESC_VERSIONS 3
186 
187 /* is this still needed? */
188 struct ibmvnic_tx_comp_desc {
189 	u8 first;
190 	u8 num_comps;
191 	__be16 rcs[5];
192 	__be32 correlators[5];
193 } __packed __aligned(8);
194 
195 /* some flags that included in v0 descriptor, which is gone
196  * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM
197  * and only in some offload_flags variable that doesn't seem
198  * to be used anywhere, can probably be removed?
199  */
200 
201 #define IBMVNIC_TCP_CHKSUM		0x20
202 #define IBMVNIC_UDP_CHKSUM		0x08
203 
204 #define IBMVNIC_MAX_FRAGS_PER_CRQ 3
205 
206 struct ibmvnic_tx_desc {
207 	u8 first;
208 	u8 type;
209 
210 #define IBMVNIC_TX_DESC 0x10
211 	u8 n_crq_elem;
212 	u8 n_sge;
213 	u8 flags1;
214 #define IBMVNIC_TX_COMP_NEEDED		0x80
215 #define IBMVNIC_TX_CHKSUM_OFFLOAD	0x40
216 #define IBMVNIC_TX_LSO			0x20
217 #define IBMVNIC_TX_PROT_TCP		0x10
218 #define IBMVNIC_TX_PROT_UDP		0x08
219 #define IBMVNIC_TX_PROT_IPV4		0x04
220 #define IBMVNIC_TX_PROT_IPV6		0x02
221 #define IBMVNIC_TX_VLAN_PRESENT		0x01
222 	u8 flags2;
223 #define IBMVNIC_TX_VLAN_INSERT		0x80
224 	__be16 mss;
225 	u8 reserved[4];
226 	__be32 correlator;
227 	__be16 vlan_id;
228 	__be16 dma_reg;
229 	__be32 sge_len;
230 	__be64 ioba;
231 } __packed __aligned(8);
232 
233 struct ibmvnic_hdr_desc {
234 	u8 first;
235 	u8 type;
236 #define IBMVNIC_HDR_DESC		0x11
237 	u8 len;
238 	u8 l2_len;
239 	__be16 l3_len;
240 	u8 l4_len;
241 	u8 flag;
242 	u8 data[24];
243 } __packed __aligned(8);
244 
245 struct ibmvnic_hdr_ext_desc {
246 	u8 first;
247 	u8 type;
248 #define IBMVNIC_HDR_EXT_DESC		0x12
249 	u8 len;
250 	u8 data[29];
251 } __packed __aligned(8);
252 
253 struct ibmvnic_sge_desc {
254 	u8 first;
255 	u8 type;
256 #define IBMVNIC_SGE_DESC		0x30
257 	__be16 sge1_dma_reg;
258 	__be32 sge1_len;
259 	__be64 sge1_ioba;
260 	__be16 reserved;
261 	__be16 sge2_dma_reg;
262 	__be32 sge2_len;
263 	__be64 sge2_ioba;
264 } __packed __aligned(8);
265 
266 struct ibmvnic_rx_comp_desc {
267 	u8 first;
268 	u8 flags;
269 #define IBMVNIC_IP_CHKSUM_GOOD		0x80
270 #define IBMVNIC_TCP_UDP_CHKSUM_GOOD	0x40
271 #define IBMVNIC_END_FRAME			0x20
272 #define IBMVNIC_EXACT_MC			0x10
273 #define IBMVNIC_VLAN_STRIPPED			0x08
274 	__be16 off_frame_data;
275 	__be32 len;
276 	__be64 correlator;
277 	__be16 vlan_tci;
278 	__be16 rc;
279 	u8 reserved[12];
280 } __packed __aligned(8);
281 
282 struct ibmvnic_generic_scrq {
283 	u8 first;
284 	u8 reserved[31];
285 } __packed __aligned(8);
286 
287 struct ibmvnic_rx_buff_add_desc {
288 	u8 first;
289 	u8 reserved[7];
290 	__be64 correlator;
291 	__be32 ioba;
292 	u8 map_id;
293 	__be32 len:24;
294 	u8 reserved2[8];
295 } __packed __aligned(8);
296 
297 struct ibmvnic_rc {
298 	u8 code; /* one of enum ibmvnic_rc_codes */
299 	u8 detailed_data[3];
300 } __packed __aligned(4);
301 
302 struct ibmvnic_generic_crq {
303 	u8 first;
304 	u8 cmd;
305 	u8 params[10];
306 	struct ibmvnic_rc rc;
307 } __packed __aligned(8);
308 
309 struct ibmvnic_version_exchange {
310 	u8 first;
311 	u8 cmd;
312 	__be16 version;
313 #define IBMVNIC_INITIAL_VERSION 1
314 	u8 reserved[8];
315 	struct ibmvnic_rc rc;
316 } __packed __aligned(8);
317 
318 struct ibmvnic_capability {
319 	u8 first;
320 	u8 cmd;
321 	__be16 capability; /* one of ibmvnic_capabilities */
322 	__be64 number;
323 	struct ibmvnic_rc rc;
324 } __packed __aligned(8);
325 
326 struct ibmvnic_login {
327 	u8 first;
328 	u8 cmd;
329 	u8 reserved[6];
330 	__be32 ioba;
331 	__be32 len;
332 } __packed __aligned(8);
333 
334 struct ibmvnic_phys_parms {
335 	u8 first;
336 	u8 cmd;
337 	u8 flags1;
338 #define IBMVNIC_EXTERNAL_LOOPBACK	0x80
339 #define IBMVNIC_INTERNAL_LOOPBACK	0x40
340 #define IBMVNIC_PROMISC		0x20
341 #define IBMVNIC_PHYS_LINK_ACTIVE	0x10
342 #define IBMVNIC_AUTONEG_DUPLEX	0x08
343 #define IBMVNIC_FULL_DUPLEX	0x04
344 #define IBMVNIC_HALF_DUPLEX	0x02
345 #define IBMVNIC_CAN_CHG_PHYS_PARMS	0x01
346 	u8 flags2;
347 #define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80
348 	__be32 speed;
349 #define IBMVNIC_AUTONEG		0x80
350 #define IBMVNIC_10MBPS		0x40
351 #define IBMVNIC_100MBPS		0x20
352 #define IBMVNIC_1GBPS		0x10
353 #define IBMVNIC_10GBPS		0x08
354 	__be32 mtu;
355 	struct ibmvnic_rc rc;
356 } __packed __aligned(8);
357 
358 struct ibmvnic_logical_link_state {
359 	u8 first;
360 	u8 cmd;
361 	u8 link_state;
362 #define IBMVNIC_LOGICAL_LNK_DN 0x00
363 #define IBMVNIC_LOGICAL_LNK_UP 0x01
364 #define IBMVNIC_LOGICAL_LNK_QUERY 0xff
365 	u8 reserved[9];
366 	struct ibmvnic_rc rc;
367 } __packed __aligned(8);
368 
369 struct ibmvnic_query_ip_offload {
370 	u8 first;
371 	u8 cmd;
372 	u8 reserved[2];
373 	__be32 len;
374 	__be32 ioba;
375 	struct ibmvnic_rc rc;
376 } __packed __aligned(8);
377 
378 struct ibmvnic_control_ip_offload {
379 	u8 first;
380 	u8 cmd;
381 	u8 reserved[2];
382 	__be32 ioba;
383 	__be32 len;
384 	struct ibmvnic_rc rc;
385 } __packed __aligned(8);
386 
387 struct ibmvnic_request_dump_size {
388 	u8 first;
389 	u8 cmd;
390 	u8 reserved[6];
391 	__be32 len;
392 	struct ibmvnic_rc rc;
393 } __packed __aligned(8);
394 
395 struct ibmvnic_request_dump {
396 	u8 first;
397 	u8 cmd;
398 	u8 reserved1[2];
399 	__be32 ioba;
400 	__be32 len;
401 	u8 reserved2[4];
402 } __packed __aligned(8);
403 
404 struct ibmvnic_request_dump_rsp {
405 	u8 first;
406 	u8 cmd;
407 	u8 reserved[6];
408 	__be32 dumped_len;
409 	struct ibmvnic_rc rc;
410 } __packed __aligned(8);
411 
412 struct ibmvnic_request_ras_comp_num {
413 	u8 first;
414 	u8 cmd;
415 	u8 reserved1[2];
416 	__be32 num_components;
417 	u8 reserved2[4];
418 	struct ibmvnic_rc rc;
419 } __packed __aligned(8);
420 
421 struct ibmvnic_request_ras_comps {
422 	u8 first;
423 	u8 cmd;
424 	u8 reserved[2];
425 	__be32 ioba;
426 	__be32 len;
427 	struct ibmvnic_rc rc;
428 } __packed __aligned(8);
429 
430 struct ibmvnic_control_ras {
431 	u8 first;
432 	u8 cmd;
433 	u8 correlator;
434 	u8 level;
435 	u8 op;
436 #define IBMVNIC_TRACE_LEVEL	1
437 #define IBMVNIC_ERROR_LEVEL	2
438 #define IBMVNIC_TRACE_PAUSE	3
439 #define IBMVNIC_TRACE_RESUME	4
440 #define IBMVNIC_TRACE_ON		5
441 #define IBMVNIC_TRACE_OFF		6
442 #define IBMVNIC_CHG_TRACE_BUFF_SZ	7
443 	u8 trace_buff_sz[3];
444 	u8 reserved[4];
445 	struct ibmvnic_rc rc;
446 } __packed __aligned(8);
447 
448 struct ibmvnic_collect_fw_trace {
449 	u8 first;
450 	u8 cmd;
451 	u8 correlator;
452 	u8 reserved;
453 	__be32 ioba;
454 	__be32 len;
455 	struct ibmvnic_rc rc;
456 } __packed __aligned(8);
457 
458 struct ibmvnic_request_statistics {
459 	u8 first;
460 	u8 cmd;
461 	u8 flags;
462 #define IBMVNIC_PHYSICAL_PORT	0x80
463 	u8 reserved1;
464 	__be32 ioba;
465 	__be32 len;
466 	u8 reserved[4];
467 } __packed __aligned(8);
468 
469 struct ibmvnic_request_debug_stats {
470 	u8 first;
471 	u8 cmd;
472 	u8 reserved[2];
473 	__be32 ioba;
474 	__be32 len;
475 	struct ibmvnic_rc rc;
476 } __packed __aligned(8);
477 
478 struct ibmvnic_error_indication {
479 	u8 first;
480 	u8 cmd;
481 	u8 flags;
482 #define IBMVNIC_FATAL_ERROR	0x80
483 	u8 reserved1;
484 	__be32 error_id;
485 	__be32 detail_error_sz;
486 	__be16 error_cause;
487 	u8 reserved2[2];
488 } __packed __aligned(8);
489 
490 struct ibmvnic_request_error_info {
491 	u8 first;
492 	u8 cmd;
493 	u8 reserved[2];
494 	__be32 ioba;
495 	__be32 len;
496 	__be32 error_id;
497 } __packed __aligned(8);
498 
499 struct ibmvnic_request_error_rsp {
500 	u8 first;
501 	u8 cmd;
502 	u8 reserved[2];
503 	__be32 error_id;
504 	__be32 len;
505 	struct ibmvnic_rc rc;
506 } __packed __aligned(8);
507 
508 struct ibmvnic_link_state_indication {
509 	u8 first;
510 	u8 cmd;
511 	u8 reserved1[2];
512 	u8 phys_link_state;
513 	u8 logical_link_state;
514 	u8 reserved2[10];
515 } __packed __aligned(8);
516 
517 struct ibmvnic_change_mac_addr {
518 	u8 first;
519 	u8 cmd;
520 	u8 mac_addr[6];
521 	struct ibmvnic_rc rc;
522 	u8 reserved[4];
523 } __packed __aligned(8);
524 
525 struct ibmvnic_multicast_ctrl {
526 	u8 first;
527 	u8 cmd;
528 	u8 mac_addr[6];
529 	u8 flags;
530 #define IBMVNIC_ENABLE_MC		0x80
531 #define IBMVNIC_DISABLE_MC		0x40
532 #define IBMVNIC_ENABLE_ALL		0x20
533 #define IBMVNIC_DISABLE_ALL	0x10
534 	u8 reserved1;
535 	__be16 reserved2; /* was num_enabled_mc_addr; */
536 	struct ibmvnic_rc rc;
537 } __packed __aligned(8);
538 
539 struct ibmvnic_get_vpd_size_rsp {
540 	u8 first;
541 	u8 cmd;
542 	u8 reserved[2];
543 	__be64 len;
544 	struct ibmvnic_rc rc;
545 } __packed __aligned(8);
546 
547 struct ibmvnic_get_vpd {
548 	u8 first;
549 	u8 cmd;
550 	u8 reserved1[2];
551 	__be32 ioba;
552 	__be32 len;
553 	u8 reserved[4];
554 } __packed __aligned(8);
555 
556 struct ibmvnic_acl_change_indication {
557 	u8 first;
558 	u8 cmd;
559 	__be16 change_type;
560 #define IBMVNIC_MAC_ACL 0
561 #define IBMVNIC_VLAN_ACL 1
562 	u8 reserved[12];
563 } __packed __aligned(8);
564 
565 struct ibmvnic_acl_query {
566 	u8 first;
567 	u8 cmd;
568 	u8 reserved1[2];
569 	__be32 ioba;
570 	__be32 len;
571 	u8 reserved2[4];
572 } __packed __aligned(8);
573 
574 struct ibmvnic_tune {
575 	u8 first;
576 	u8 cmd;
577 	u8 reserved1[2];
578 	__be32 ioba;
579 	__be32 len;
580 	u8 reserved2[4];
581 } __packed __aligned(8);
582 
583 struct ibmvnic_request_map {
584 	u8 first;
585 	u8 cmd;
586 	u8 reserved1;
587 	u8 map_id;
588 	__be32 ioba;
589 	__be32 len;
590 	u8 reserved2[4];
591 } __packed __aligned(8);
592 
593 struct ibmvnic_request_map_rsp {
594 	u8 first;
595 	u8 cmd;
596 	u8 reserved1;
597 	u8 map_id;
598 	u8 reserved2[4];
599 	struct ibmvnic_rc rc;
600 } __packed __aligned(8);
601 
602 struct ibmvnic_request_unmap {
603 	u8 first;
604 	u8 cmd;
605 	u8 reserved1;
606 	u8 map_id;
607 	u8 reserved2[12];
608 } __packed __aligned(8);
609 
610 struct ibmvnic_request_unmap_rsp {
611 	u8 first;
612 	u8 cmd;
613 	u8 reserved1;
614 	u8 map_id;
615 	u8 reserved2[8];
616 	struct ibmvnic_rc rc;
617 } __packed __aligned(8);
618 
619 struct ibmvnic_query_map {
620 	u8 first;
621 	u8 cmd;
622 	u8 reserved[14];
623 } __packed __aligned(8);
624 
625 struct ibmvnic_query_map_rsp {
626 	u8 first;
627 	u8 cmd;
628 	u8 reserved;
629 	u8 page_size;
630 	__be32 tot_pages;
631 	__be32 free_pages;
632 	struct ibmvnic_rc rc;
633 } __packed __aligned(8);
634 
635 union ibmvnic_crq {
636 	struct ibmvnic_generic_crq generic;
637 	struct ibmvnic_version_exchange version_exchange;
638 	struct ibmvnic_version_exchange version_exchange_rsp;
639 	struct ibmvnic_capability query_capability;
640 	struct ibmvnic_capability query_capability_rsp;
641 	struct ibmvnic_capability request_capability;
642 	struct ibmvnic_capability request_capability_rsp;
643 	struct ibmvnic_login login;
644 	struct ibmvnic_generic_crq login_rsp;
645 	struct ibmvnic_phys_parms query_phys_parms;
646 	struct ibmvnic_phys_parms query_phys_parms_rsp;
647 	struct ibmvnic_phys_parms query_phys_capabilities;
648 	struct ibmvnic_phys_parms query_phys_capabilities_rsp;
649 	struct ibmvnic_phys_parms set_phys_parms;
650 	struct ibmvnic_phys_parms set_phys_parms_rsp;
651 	struct ibmvnic_logical_link_state logical_link_state;
652 	struct ibmvnic_logical_link_state logical_link_state_rsp;
653 	struct ibmvnic_query_ip_offload query_ip_offload;
654 	struct ibmvnic_query_ip_offload query_ip_offload_rsp;
655 	struct ibmvnic_control_ip_offload control_ip_offload;
656 	struct ibmvnic_control_ip_offload control_ip_offload_rsp;
657 	struct ibmvnic_request_dump_size request_dump_size;
658 	struct ibmvnic_request_dump_size request_dump_size_rsp;
659 	struct ibmvnic_request_dump request_dump;
660 	struct ibmvnic_request_dump_rsp request_dump_rsp;
661 	struct ibmvnic_request_ras_comp_num request_ras_comp_num;
662 	struct ibmvnic_request_ras_comp_num request_ras_comp_num_rsp;
663 	struct ibmvnic_request_ras_comps request_ras_comps;
664 	struct ibmvnic_request_ras_comps request_ras_comps_rsp;
665 	struct ibmvnic_control_ras control_ras;
666 	struct ibmvnic_control_ras control_ras_rsp;
667 	struct ibmvnic_collect_fw_trace collect_fw_trace;
668 	struct ibmvnic_collect_fw_trace collect_fw_trace_rsp;
669 	struct ibmvnic_request_statistics request_statistics;
670 	struct ibmvnic_generic_crq request_statistics_rsp;
671 	struct ibmvnic_request_debug_stats request_debug_stats;
672 	struct ibmvnic_request_debug_stats request_debug_stats_rsp;
673 	struct ibmvnic_error_indication error_indication;
674 	struct ibmvnic_request_error_info request_error_info;
675 	struct ibmvnic_request_error_rsp request_error_rsp;
676 	struct ibmvnic_link_state_indication link_state_indication;
677 	struct ibmvnic_change_mac_addr change_mac_addr;
678 	struct ibmvnic_change_mac_addr change_mac_addr_rsp;
679 	struct ibmvnic_multicast_ctrl multicast_ctrl;
680 	struct ibmvnic_multicast_ctrl multicast_ctrl_rsp;
681 	struct ibmvnic_generic_crq get_vpd_size;
682 	struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp;
683 	struct ibmvnic_get_vpd get_vpd;
684 	struct ibmvnic_generic_crq get_vpd_rsp;
685 	struct ibmvnic_acl_change_indication acl_change_indication;
686 	struct ibmvnic_acl_query acl_query;
687 	struct ibmvnic_generic_crq acl_query_rsp;
688 	struct ibmvnic_tune tune;
689 	struct ibmvnic_generic_crq tune_rsp;
690 	struct ibmvnic_request_map request_map;
691 	struct ibmvnic_request_map_rsp request_map_rsp;
692 	struct ibmvnic_request_unmap request_unmap;
693 	struct ibmvnic_request_unmap_rsp request_unmap_rsp;
694 	struct ibmvnic_query_map query_map;
695 	struct ibmvnic_query_map_rsp query_map_rsp;
696 };
697 
698 enum ibmvnic_rc_codes {
699 	SUCCESS = 0,
700 	PARTIALSUCCESS = 1,
701 	PERMISSION = 2,
702 	NOMEMORY = 3,
703 	PARAMETER = 4,
704 	UNKNOWNCOMMAND = 5,
705 	ABORTED = 6,
706 	INVALIDSTATE = 7,
707 	INVALIDIOBA = 8,
708 	INVALIDLENGTH = 9,
709 	UNSUPPORTEDOPTION = 10,
710 };
711 
712 enum ibmvnic_capabilities {
713 	MIN_TX_QUEUES = 1,
714 	MIN_RX_QUEUES = 2,
715 	MIN_RX_ADD_QUEUES = 3,
716 	MAX_TX_QUEUES = 4,
717 	MAX_RX_QUEUES = 5,
718 	MAX_RX_ADD_QUEUES = 6,
719 	REQ_TX_QUEUES = 7,
720 	REQ_RX_QUEUES = 8,
721 	REQ_RX_ADD_QUEUES = 9,
722 	MIN_TX_ENTRIES_PER_SUBCRQ = 10,
723 	MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11,
724 	MAX_TX_ENTRIES_PER_SUBCRQ = 12,
725 	MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13,
726 	REQ_TX_ENTRIES_PER_SUBCRQ = 14,
727 	REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15,
728 	TCP_IP_OFFLOAD = 16,
729 	PROMISC_REQUESTED = 17,
730 	PROMISC_SUPPORTED = 18,
731 	MIN_MTU = 19,
732 	MAX_MTU = 20,
733 	REQ_MTU = 21,
734 	MAX_MULTICAST_FILTERS = 22,
735 	VLAN_HEADER_INSERTION = 23,
736 	MAX_TX_SG_ENTRIES = 25,
737 	RX_SG_SUPPORTED = 26,
738 	RX_SG_REQUESTED = 27,
739 	OPT_TX_COMP_SUB_QUEUES = 28,
740 	OPT_RX_COMP_QUEUES = 29,
741 	OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30,
742 	OPT_TX_ENTRIES_PER_SUBCRQ = 31,
743 	OPT_RXBA_ENTRIES_PER_SUBCRQ = 32,
744 	TX_RX_DESC_REQ = 33,
745 };
746 
747 enum ibmvnic_error_cause {
748 	ADAPTER_PROBLEM = 0,
749 	BUS_PROBLEM = 1,
750 	FW_PROBLEM = 2,
751 	DD_PROBLEM = 3,
752 	EEH_RECOVERY = 4,
753 	FW_UPDATED = 5,
754 	LOW_MEMORY = 6,
755 };
756 
757 enum ibmvnic_commands {
758 	VERSION_EXCHANGE = 0x01,
759 	VERSION_EXCHANGE_RSP = 0x81,
760 	QUERY_CAPABILITY = 0x02,
761 	QUERY_CAPABILITY_RSP = 0x82,
762 	REQUEST_CAPABILITY = 0x03,
763 	REQUEST_CAPABILITY_RSP = 0x83,
764 	LOGIN = 0x04,
765 	LOGIN_RSP = 0x84,
766 	QUERY_PHYS_PARMS = 0x05,
767 	QUERY_PHYS_PARMS_RSP = 0x85,
768 	QUERY_PHYS_CAPABILITIES = 0x06,
769 	QUERY_PHYS_CAPABILITIES_RSP = 0x86,
770 	SET_PHYS_PARMS = 0x07,
771 	SET_PHYS_PARMS_RSP = 0x87,
772 	ERROR_INDICATION = 0x08,
773 	REQUEST_ERROR_INFO = 0x09,
774 	REQUEST_ERROR_RSP = 0x89,
775 	REQUEST_DUMP_SIZE = 0x0A,
776 	REQUEST_DUMP_SIZE_RSP = 0x8A,
777 	REQUEST_DUMP = 0x0B,
778 	REQUEST_DUMP_RSP = 0x8B,
779 	LOGICAL_LINK_STATE = 0x0C,
780 	LOGICAL_LINK_STATE_RSP = 0x8C,
781 	REQUEST_STATISTICS = 0x0D,
782 	REQUEST_STATISTICS_RSP = 0x8D,
783 	REQUEST_RAS_COMP_NUM = 0x0E,
784 	REQUEST_RAS_COMP_NUM_RSP = 0x8E,
785 	REQUEST_RAS_COMPS = 0x0F,
786 	REQUEST_RAS_COMPS_RSP = 0x8F,
787 	CONTROL_RAS = 0x10,
788 	CONTROL_RAS_RSP = 0x90,
789 	COLLECT_FW_TRACE = 0x11,
790 	COLLECT_FW_TRACE_RSP = 0x91,
791 	LINK_STATE_INDICATION = 0x12,
792 	CHANGE_MAC_ADDR = 0x13,
793 	CHANGE_MAC_ADDR_RSP = 0x93,
794 	MULTICAST_CTRL = 0x14,
795 	MULTICAST_CTRL_RSP = 0x94,
796 	GET_VPD_SIZE = 0x15,
797 	GET_VPD_SIZE_RSP = 0x95,
798 	GET_VPD = 0x16,
799 	GET_VPD_RSP = 0x96,
800 	TUNE = 0x17,
801 	TUNE_RSP = 0x97,
802 	QUERY_IP_OFFLOAD = 0x18,
803 	QUERY_IP_OFFLOAD_RSP = 0x98,
804 	CONTROL_IP_OFFLOAD = 0x19,
805 	CONTROL_IP_OFFLOAD_RSP = 0x99,
806 	ACL_CHANGE_INDICATION = 0x1A,
807 	ACL_QUERY = 0x1B,
808 	ACL_QUERY_RSP = 0x9B,
809 	REQUEST_DEBUG_STATS = 0x1C,
810 	REQUEST_DEBUG_STATS_RSP = 0x9C,
811 	QUERY_MAP = 0x1D,
812 	QUERY_MAP_RSP = 0x9D,
813 	REQUEST_MAP = 0x1E,
814 	REQUEST_MAP_RSP = 0x9E,
815 	REQUEST_UNMAP = 0x1F,
816 	REQUEST_UNMAP_RSP = 0x9F,
817 	VLAN_CTRL = 0x20,
818 	VLAN_CTRL_RSP = 0xA0,
819 };
820 
821 enum ibmvnic_crq_type {
822 	IBMVNIC_CRQ_CMD			= 0x80,
823 	IBMVNIC_CRQ_CMD_RSP		= 0x80,
824 	IBMVNIC_CRQ_INIT_CMD		= 0xC0,
825 	IBMVNIC_CRQ_INIT_RSP		= 0xC0,
826 	IBMVNIC_CRQ_XPORT_EVENT		= 0xFF,
827 };
828 
829 enum ibmvfc_crq_format {
830 	IBMVNIC_CRQ_INIT                 = 0x01,
831 	IBMVNIC_CRQ_INIT_COMPLETE        = 0x02,
832 	IBMVNIC_PARTITION_MIGRATED       = 0x06,
833 };
834 
835 struct ibmvnic_crq_queue {
836 	union ibmvnic_crq *msgs;
837 	int size, cur;
838 	dma_addr_t msg_token;
839 	spinlock_t lock;
840 };
841 
842 union sub_crq {
843 	struct ibmvnic_generic_scrq generic;
844 	struct ibmvnic_tx_comp_desc tx_comp;
845 	struct ibmvnic_tx_desc v1;
846 	struct ibmvnic_hdr_desc hdr;
847 	struct ibmvnic_hdr_ext_desc hdr_ext;
848 	struct ibmvnic_sge_desc sge;
849 	struct ibmvnic_rx_comp_desc rx_comp;
850 	struct ibmvnic_rx_buff_add_desc rx_add;
851 };
852 
853 struct ibmvnic_sub_crq_queue {
854 	union sub_crq *msgs;
855 	int size, cur;
856 	dma_addr_t msg_token;
857 	unsigned long crq_num;
858 	unsigned long hw_irq;
859 	unsigned int irq;
860 	unsigned int pool_index;
861 	int scrq_num;
862 	spinlock_t lock;
863 	struct sk_buff *rx_skb_top;
864 	struct ibmvnic_adapter *adapter;
865 };
866 
867 struct ibmvnic_long_term_buff {
868 	unsigned char *buff;
869 	dma_addr_t addr;
870 	u64 size;
871 	u8 map_id;
872 };
873 
874 struct ibmvnic_tx_buff {
875 	struct sk_buff *skb;
876 	dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
877 	unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
878 	int index;
879 	int pool_index;
880 	bool last_frag;
881 	bool used_bounce;
882 	union sub_crq indir_arr[6];
883 	u8 hdr_data[140];
884 	dma_addr_t indir_dma;
885 };
886 
887 struct ibmvnic_tx_pool {
888 	struct ibmvnic_tx_buff *tx_buff;
889 	int *free_map;
890 	int consumer_index;
891 	int producer_index;
892 	wait_queue_head_t ibmvnic_tx_comp_q;
893 	struct task_struct *work_thread;
894 	struct ibmvnic_long_term_buff long_term_buff;
895 };
896 
897 struct ibmvnic_rx_buff {
898 	struct sk_buff *skb;
899 	dma_addr_t dma;
900 	unsigned char *data;
901 	int size;
902 	int pool_index;
903 };
904 
905 struct ibmvnic_rx_pool {
906 	struct ibmvnic_rx_buff *rx_buff;
907 	int size;
908 	int index;
909 	int buff_size;
910 	atomic_t available;
911 	int *free_map;
912 	int next_free;
913 	int next_alloc;
914 	int active;
915 	struct ibmvnic_long_term_buff long_term_buff;
916 };
917 
918 struct ibmvnic_error_buff {
919 	char *buff;
920 	dma_addr_t dma;
921 	int len;
922 	struct list_head list;
923 	__be32 error_id;
924 };
925 
926 struct ibmvnic_fw_comp_internal {
927 	struct ibmvnic_adapter *adapter;
928 	int num;
929 	struct debugfs_blob_wrapper desc_blob;
930 	int paused;
931 };
932 
933 struct ibmvnic_inflight_cmd {
934 	union ibmvnic_crq crq;
935 	struct list_head list;
936 };
937 
938 struct ibmvnic_adapter {
939 	struct vio_dev *vdev;
940 	struct net_device *netdev;
941 	struct ibmvnic_crq_queue crq;
942 	u8 mac_addr[ETH_ALEN];
943 	struct ibmvnic_query_ip_offload_buffer ip_offload_buf;
944 	dma_addr_t ip_offload_tok;
945 	struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl;
946 	dma_addr_t ip_offload_ctrl_tok;
947 	bool migrated;
948 	u32 msg_enable;
949 	void *bounce_buffer;
950 	int bounce_buffer_size;
951 	dma_addr_t bounce_buffer_dma;
952 
953 	/* Statistics */
954 	struct net_device_stats net_stats;
955 	struct ibmvnic_statistics stats;
956 	dma_addr_t stats_token;
957 	struct completion stats_done;
958 	spinlock_t stats_lock;
959 	int replenish_no_mem;
960 	int replenish_add_buff_success;
961 	int replenish_add_buff_failure;
962 	int replenish_task_cycles;
963 	int tx_send_failed;
964 	int tx_map_failed;
965 
966 	int phys_link_state;
967 	int logical_link_state;
968 
969 	/* login data */
970 	struct ibmvnic_login_buffer *login_buf;
971 	dma_addr_t login_buf_token;
972 	int login_buf_sz;
973 
974 	struct ibmvnic_login_rsp_buffer *login_rsp_buf;
975 	dma_addr_t login_rsp_buf_token;
976 	int login_rsp_buf_sz;
977 
978 	atomic_t running_cap_queries;
979 
980 	struct ibmvnic_sub_crq_queue **tx_scrq;
981 	struct ibmvnic_sub_crq_queue **rx_scrq;
982 	int requested_caps;
983 	bool renegotiate;
984 
985 	/* rx structs */
986 	struct napi_struct *napi;
987 	struct ibmvnic_rx_pool *rx_pool;
988 	u64 promisc;
989 
990 	struct ibmvnic_tx_pool *tx_pool;
991 	bool closing;
992 	struct completion init_done;
993 
994 	struct list_head errors;
995 	spinlock_t error_list_lock;
996 
997 	/* debugfs */
998 	struct dentry *debugfs_dir;
999 	struct dentry *debugfs_dump;
1000 	struct completion fw_done;
1001 	char *dump_data;
1002 	dma_addr_t dump_data_token;
1003 	int dump_data_size;
1004 	int ras_comp_num;
1005 	struct ibmvnic_fw_component *ras_comps;
1006 	struct ibmvnic_fw_comp_internal *ras_comp_int;
1007 	dma_addr_t ras_comps_tok;
1008 	struct dentry *ras_comps_ent;
1009 
1010 	/* in-flight commands that allocate and/or map memory*/
1011 	struct list_head inflight;
1012 	spinlock_t inflight_lock;
1013 
1014 	/* partner capabilities */
1015 	u64 min_tx_queues;
1016 	u64 min_rx_queues;
1017 	u64 min_rx_add_queues;
1018 	u64 max_tx_queues;
1019 	u64 max_rx_queues;
1020 	u64 max_rx_add_queues;
1021 	u64 req_tx_queues;
1022 	u64 req_rx_queues;
1023 	u64 req_rx_add_queues;
1024 	u64 min_tx_entries_per_subcrq;
1025 	u64 min_rx_add_entries_per_subcrq;
1026 	u64 max_tx_entries_per_subcrq;
1027 	u64 max_rx_add_entries_per_subcrq;
1028 	u64 req_tx_entries_per_subcrq;
1029 	u64 req_rx_add_entries_per_subcrq;
1030 	u64 tcp_ip_offload;
1031 	u64 promisc_requested;
1032 	u64 promisc_supported;
1033 	u64 min_mtu;
1034 	u64 max_mtu;
1035 	u64 req_mtu;
1036 	u64 max_multicast_filters;
1037 	u64 vlan_header_insertion;
1038 	u64 max_tx_sg_entries;
1039 	u64 rx_sg_supported;
1040 	u64 rx_sg_requested;
1041 	u64 opt_tx_comp_sub_queues;
1042 	u64 opt_rx_comp_queues;
1043 	u64 opt_rx_bufadd_q_per_rx_comp_q;
1044 	u64 opt_tx_entries_per_subcrq;
1045 	u64 opt_rxba_entries_per_subcrq;
1046 	__be64 tx_rx_desc_req;
1047 	u8 map_id;
1048 
1049 	struct work_struct vnic_crq_init;
1050 };
1051