ibmvnic: Fix error handling when registering long-term-mapped buffers
[platform/kernel/linux-starfive.git] / drivers / net / ethernet / ibm / ibmvnic.h
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  "1.0.1"
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         u8 reserved[4];
522         struct ibmvnic_rc rc;
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[8];
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         RX_VLAN_HEADER_INSERTION = 24,
737         MAX_TX_SG_ENTRIES = 25,
738         RX_SG_SUPPORTED = 26,
739         RX_SG_REQUESTED = 27,
740         OPT_TX_COMP_SUB_QUEUES = 28,
741         OPT_RX_COMP_QUEUES = 29,
742         OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30,
743         OPT_TX_ENTRIES_PER_SUBCRQ = 31,
744         OPT_RXBA_ENTRIES_PER_SUBCRQ = 32,
745         TX_RX_DESC_REQ = 33,
746 };
747
748 enum ibmvnic_error_cause {
749         ADAPTER_PROBLEM = 0,
750         BUS_PROBLEM = 1,
751         FW_PROBLEM = 2,
752         DD_PROBLEM = 3,
753         EEH_RECOVERY = 4,
754         FW_UPDATED = 5,
755         LOW_MEMORY = 6,
756 };
757
758 enum ibmvnic_commands {
759         VERSION_EXCHANGE = 0x01,
760         VERSION_EXCHANGE_RSP = 0x81,
761         QUERY_CAPABILITY = 0x02,
762         QUERY_CAPABILITY_RSP = 0x82,
763         REQUEST_CAPABILITY = 0x03,
764         REQUEST_CAPABILITY_RSP = 0x83,
765         LOGIN = 0x04,
766         LOGIN_RSP = 0x84,
767         QUERY_PHYS_PARMS = 0x05,
768         QUERY_PHYS_PARMS_RSP = 0x85,
769         QUERY_PHYS_CAPABILITIES = 0x06,
770         QUERY_PHYS_CAPABILITIES_RSP = 0x86,
771         SET_PHYS_PARMS = 0x07,
772         SET_PHYS_PARMS_RSP = 0x87,
773         ERROR_INDICATION = 0x08,
774         REQUEST_ERROR_INFO = 0x09,
775         REQUEST_ERROR_RSP = 0x89,
776         LOGICAL_LINK_STATE = 0x0C,
777         LOGICAL_LINK_STATE_RSP = 0x8C,
778         REQUEST_STATISTICS = 0x0D,
779         REQUEST_STATISTICS_RSP = 0x8D,
780         COLLECT_FW_TRACE = 0x11,
781         COLLECT_FW_TRACE_RSP = 0x91,
782         LINK_STATE_INDICATION = 0x12,
783         CHANGE_MAC_ADDR = 0x13,
784         CHANGE_MAC_ADDR_RSP = 0x93,
785         MULTICAST_CTRL = 0x14,
786         MULTICAST_CTRL_RSP = 0x94,
787         GET_VPD_SIZE = 0x15,
788         GET_VPD_SIZE_RSP = 0x95,
789         GET_VPD = 0x16,
790         GET_VPD_RSP = 0x96,
791         TUNE = 0x17,
792         TUNE_RSP = 0x97,
793         QUERY_IP_OFFLOAD = 0x18,
794         QUERY_IP_OFFLOAD_RSP = 0x98,
795         CONTROL_IP_OFFLOAD = 0x19,
796         CONTROL_IP_OFFLOAD_RSP = 0x99,
797         ACL_CHANGE_INDICATION = 0x1A,
798         ACL_QUERY = 0x1B,
799         ACL_QUERY_RSP = 0x9B,
800         QUERY_MAP = 0x1D,
801         QUERY_MAP_RSP = 0x9D,
802         REQUEST_MAP = 0x1E,
803         REQUEST_MAP_RSP = 0x9E,
804         REQUEST_UNMAP = 0x1F,
805         REQUEST_UNMAP_RSP = 0x9F,
806         VLAN_CTRL = 0x20,
807         VLAN_CTRL_RSP = 0xA0,
808 };
809
810 enum ibmvnic_crq_type {
811         IBMVNIC_CRQ_CMD                 = 0x80,
812         IBMVNIC_CRQ_CMD_RSP             = 0x80,
813         IBMVNIC_CRQ_INIT_CMD            = 0xC0,
814         IBMVNIC_CRQ_INIT_RSP            = 0xC0,
815         IBMVNIC_CRQ_XPORT_EVENT         = 0xFF,
816 };
817
818 enum ibmvfc_crq_format {
819         IBMVNIC_CRQ_INIT                 = 0x01,
820         IBMVNIC_CRQ_INIT_COMPLETE        = 0x02,
821         IBMVNIC_PARTITION_MIGRATED       = 0x06,
822         IBMVNIC_DEVICE_FAILOVER          = 0x08,
823 };
824
825 struct ibmvnic_crq_queue {
826         union ibmvnic_crq *msgs;
827         int size, cur;
828         dma_addr_t msg_token;
829         spinlock_t lock;
830 };
831
832 union sub_crq {
833         struct ibmvnic_generic_scrq generic;
834         struct ibmvnic_tx_comp_desc tx_comp;
835         struct ibmvnic_tx_desc v1;
836         struct ibmvnic_hdr_desc hdr;
837         struct ibmvnic_hdr_ext_desc hdr_ext;
838         struct ibmvnic_sge_desc sge;
839         struct ibmvnic_rx_comp_desc rx_comp;
840         struct ibmvnic_rx_buff_add_desc rx_add;
841 };
842
843 struct ibmvnic_sub_crq_queue {
844         union sub_crq *msgs;
845         int size, cur;
846         dma_addr_t msg_token;
847         unsigned long crq_num;
848         unsigned long hw_irq;
849         unsigned int irq;
850         unsigned int pool_index;
851         int scrq_num;
852         spinlock_t lock;
853         struct sk_buff *rx_skb_top;
854         struct ibmvnic_adapter *adapter;
855         atomic_t used;
856 };
857
858 struct ibmvnic_long_term_buff {
859         unsigned char *buff;
860         dma_addr_t addr;
861         u64 size;
862         u8 map_id;
863 };
864
865 struct ibmvnic_tx_buff {
866         struct sk_buff *skb;
867         dma_addr_t data_dma[IBMVNIC_MAX_FRAGS_PER_CRQ];
868         unsigned int data_len[IBMVNIC_MAX_FRAGS_PER_CRQ];
869         int index;
870         int pool_index;
871         bool last_frag;
872         union sub_crq indir_arr[6];
873         u8 hdr_data[140];
874         dma_addr_t indir_dma;
875 };
876
877 struct ibmvnic_tx_pool {
878         struct ibmvnic_tx_buff *tx_buff;
879         int *free_map;
880         int consumer_index;
881         int producer_index;
882         wait_queue_head_t ibmvnic_tx_comp_q;
883         struct task_struct *work_thread;
884         struct ibmvnic_long_term_buff long_term_buff;
885 };
886
887 struct ibmvnic_rx_buff {
888         struct sk_buff *skb;
889         dma_addr_t dma;
890         unsigned char *data;
891         int size;
892         int pool_index;
893 };
894
895 struct ibmvnic_rx_pool {
896         struct ibmvnic_rx_buff *rx_buff;
897         int size;
898         int index;
899         int buff_size;
900         atomic_t available;
901         int *free_map;
902         int next_free;
903         int next_alloc;
904         int active;
905         struct ibmvnic_long_term_buff long_term_buff;
906 };
907
908 struct ibmvnic_error_buff {
909         char *buff;
910         dma_addr_t dma;
911         int len;
912         struct list_head list;
913         __be32 error_id;
914 };
915
916 enum vnic_state {VNIC_PROBING = 1,
917                  VNIC_PROBED,
918                  VNIC_OPENING,
919                  VNIC_OPEN,
920                  VNIC_CLOSING,
921                  VNIC_CLOSED,
922                  VNIC_REMOVING,
923                  VNIC_REMOVED};
924
925 enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1,
926                            VNIC_RESET_MOBILITY,
927                            VNIC_RESET_FATAL,
928                            VNIC_RESET_NON_FATAL,
929                            VNIC_RESET_TIMEOUT};
930
931 struct ibmvnic_rwi {
932         enum ibmvnic_reset_reason reset_reason;
933         struct list_head list;
934 };
935
936 struct ibmvnic_adapter {
937         struct vio_dev *vdev;
938         struct net_device *netdev;
939         struct ibmvnic_crq_queue crq;
940         u8 mac_addr[ETH_ALEN];
941         struct ibmvnic_query_ip_offload_buffer ip_offload_buf;
942         dma_addr_t ip_offload_tok;
943         struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl;
944         dma_addr_t ip_offload_ctrl_tok;
945         u32 msg_enable;
946
947         /* Statistics */
948         struct ibmvnic_statistics stats;
949         dma_addr_t stats_token;
950         struct completion stats_done;
951         spinlock_t stats_lock;
952         int replenish_no_mem;
953         int replenish_add_buff_success;
954         int replenish_add_buff_failure;
955         int replenish_task_cycles;
956         int tx_send_failed;
957         int tx_map_failed;
958
959         int phys_link_state;
960         int logical_link_state;
961
962         /* login data */
963         struct ibmvnic_login_buffer *login_buf;
964         dma_addr_t login_buf_token;
965         int login_buf_sz;
966
967         struct ibmvnic_login_rsp_buffer *login_rsp_buf;
968         dma_addr_t login_rsp_buf_token;
969         int login_rsp_buf_sz;
970
971         atomic_t running_cap_crqs;
972         bool wait_capability;
973
974         struct ibmvnic_sub_crq_queue **tx_scrq;
975         struct ibmvnic_sub_crq_queue **rx_scrq;
976         bool renegotiate;
977
978         /* rx structs */
979         struct napi_struct *napi;
980         struct ibmvnic_rx_pool *rx_pool;
981         u64 promisc;
982
983         struct ibmvnic_tx_pool *tx_pool;
984         struct completion init_done;
985         int init_done_rc;
986
987         struct list_head errors;
988         spinlock_t error_list_lock;
989
990         struct completion fw_done;
991         int fw_done_rc;
992
993         /* partner capabilities */
994         u64 min_tx_queues;
995         u64 min_rx_queues;
996         u64 min_rx_add_queues;
997         u64 max_tx_queues;
998         u64 max_rx_queues;
999         u64 max_rx_add_queues;
1000         u64 req_tx_queues;
1001         u64 req_rx_queues;
1002         u64 req_rx_add_queues;
1003         u64 min_tx_entries_per_subcrq;
1004         u64 min_rx_add_entries_per_subcrq;
1005         u64 max_tx_entries_per_subcrq;
1006         u64 max_rx_add_entries_per_subcrq;
1007         u64 req_tx_entries_per_subcrq;
1008         u64 req_rx_add_entries_per_subcrq;
1009         u64 tcp_ip_offload;
1010         u64 promisc_requested;
1011         u64 promisc_supported;
1012         u64 min_mtu;
1013         u64 max_mtu;
1014         u64 req_mtu;
1015         u64 max_multicast_filters;
1016         u64 vlan_header_insertion;
1017         u64 rx_vlan_header_insertion;
1018         u64 max_tx_sg_entries;
1019         u64 rx_sg_supported;
1020         u64 rx_sg_requested;
1021         u64 opt_tx_comp_sub_queues;
1022         u64 opt_rx_comp_queues;
1023         u64 opt_rx_bufadd_q_per_rx_comp_q;
1024         u64 opt_tx_entries_per_subcrq;
1025         u64 opt_rxba_entries_per_subcrq;
1026         __be64 tx_rx_desc_req;
1027         u8 map_id;
1028
1029         struct tasklet_struct tasklet;
1030         enum vnic_state state;
1031         enum ibmvnic_reset_reason reset_reason;
1032         struct mutex reset_lock, rwi_lock;
1033         struct list_head rwi_list;
1034         struct work_struct ibmvnic_reset;
1035         bool resetting;
1036         bool napi_enabled, from_passive_init;
1037 };