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Merge tag 'devprop-5.19-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael...
[linux-block.git] / drivers / net / ethernet / ibm / ibmvnic.h
CommitLineData
d5bb994b 1/* SPDX-License-Identifier: GPL-2.0-or-later */
032c5e82
TF		 2/**************************************************************************/
3/* */
4/* IBM System i and System p Virtual NIC Device Driver */
5/* Copyright (C) 2014 IBM Corp. */
6/* Santiago Leon (santi_leon@yahoo.com) */
7/* Thomas Falcon (tlfalcon@linux.vnet.ibm.com) */
8/* John Allen (jallen@linux.vnet.ibm.com) */
9/* */
032c5e82
TF		 10/* */
11/* This module contains the implementation of a virtual ethernet device */
12/* for use with IBM i/pSeries LPAR Linux. It utilizes the logical LAN */
13/* option of the RS/6000 Platform Architecture to interface with virtual */
14/* ethernet NICs that are presented to the partition by the hypervisor. */
15/* */
16/**************************************************************************/
17
18#define IBMVNIC_NAME "ibmvnic"
9fa2f2cc 19#define IBMVNIC_DRIVER_VERSION "1.0.1"
032c5e82 20#define IBMVNIC_INVALID_MAP -1
b27507bb 21#define IBMVNIC_OPEN_FAILED 3
2a1bf511 22
032c5e82
TF		 23/* basic structures plus 100 2k buffers */
24#define IBMVNIC_IO_ENTITLEMENT_DEFAULT 610305
25
26/* Initial module_parameters */
27#define IBMVNIC_RX_WEIGHT 16
28/* when changing this, update IBMVNIC_IO_ENTITLEMENT_DEFAULT */
29#define IBMVNIC_BUFFS_PER_POOL 100
ad95a240 30#define IBMVNIC_MAX_QUEUES 16
20b5ba1f 31#define IBMVNIC_MAX_QUEUE_SZ 4096
a6f2fe5f 32#define IBMVNIC_MAX_IND_DESCS 16
f019fb63 33#define IBMVNIC_IND_ARR_SZ (IBMVNIC_MAX_IND_DESCS * 32)
032c5e82 34
fdb06105
TF		 35#define IBMVNIC_TSO_BUF_SZ 65536
36#define IBMVNIC_TSO_BUFS 64
06b3e357 37#define IBMVNIC_TSO_POOL_MASK 0x80000000
fdb06105 38
c26eba03
JA		 39#define IBMVNIC_MAX_LTB_SIZE ((1 << (MAX_ORDER - 1)) * PAGE_SIZE)
40#define IBMVNIC_BUFFER_HLEN 500
41
7ed5b31f
JK		 42#define IBMVNIC_RESET_DELAY 100
43
032c5e82
TF		 44struct ibmvnic_login_buffer {
45 __be32 len;
46 __be32 version;
47#define INITIAL_VERSION_LB 1
48 __be32 num_txcomp_subcrqs;
49 __be32 off_txcomp_subcrqs;
50 __be32 num_rxcomp_subcrqs;
51 __be32 off_rxcomp_subcrqs;
52 __be32 login_rsp_ioba;
53 __be32 login_rsp_len;
37798d02
NF		 54 __be32 client_data_offset;
55 __be32 client_data_len;
032c5e82
TF		 56} __packed __aligned(8);
57
58struct ibmvnic_login_rsp_buffer {
59 __be32 len;
60 __be32 version;
61#define INITIAL_VERSION_LRB 1
62 __be32 num_txsubm_subcrqs;
63 __be32 off_txsubm_subcrqs;
64 __be32 num_rxadd_subcrqs;
65 __be32 off_rxadd_subcrqs;
66 __be32 off_rxadd_buff_size;
67 __be32 num_supp_tx_desc;
68 __be32 off_supp_tx_desc;
69} __packed __aligned(8);
70
71struct ibmvnic_query_ip_offload_buffer {
72 __be32 len;
73 __be32 version;
74#define INITIAL_VERSION_IOB 1
75 u8 ipv4_chksum;
76 u8 ipv6_chksum;
77 u8 tcp_ipv4_chksum;
78 u8 tcp_ipv6_chksum;
79 u8 udp_ipv4_chksum;
80 u8 udp_ipv6_chksum;
81 u8 large_tx_ipv4;
82 u8 large_tx_ipv6;
83 u8 large_rx_ipv4;
84 u8 large_rx_ipv6;
85 u8 reserved1[14];
86 __be16 max_ipv4_header_size;
87 __be16 max_ipv6_header_size;
88 __be16 max_tcp_header_size;
89 __be16 max_udp_header_size;
90 __be32 max_large_tx_size;
91 __be32 max_large_rx_size;
92 u8 reserved2[16];
93 u8 ipv6_extension_header;
94#define IPV6_EH_NOT_SUPPORTED 0x00
95#define IPV6_EH_SUPPORTED_LIM 0x01
96#define IPV6_EH_SUPPORTED 0xFF
97 u8 tcp_pseudosum_req;
98#define TCP_PS_NOT_REQUIRED 0x00
99#define TCP_PS_REQUIRED 0x01
100 u8 reserved3[30];
101 __be16 num_ipv6_ext_headers;
102 __be32 off_ipv6_ext_headers;
103 u8 reserved4[154];
104} __packed __aligned(8);
105
106struct ibmvnic_control_ip_offload_buffer {
107 __be32 len;
108 __be32 version;
109#define INITIAL_VERSION_IOB 1
110 u8 ipv4_chksum;
111 u8 ipv6_chksum;
112 u8 tcp_ipv4_chksum;
113 u8 tcp_ipv6_chksum;
114 u8 udp_ipv4_chksum;
115 u8 udp_ipv6_chksum;
116 u8 large_tx_ipv4;
117 u8 large_tx_ipv6;
118 u8 bad_packet_rx;
119 u8 large_rx_ipv4;
120 u8 large_rx_ipv6;
121 u8 reserved4[111];
122} __packed __aligned(8);
123
124struct ibmvnic_fw_component {
125 u8 name[48];
126 __be32 trace_buff_size;
127 u8 correlator;
128 u8 trace_level;
129 u8 parent_correlator;
130 u8 error_check_level;
131 u8 trace_on;
132 u8 reserved[7];
133 u8 description[192];
134} __packed __aligned(8);
135
136struct ibmvnic_fw_trace_entry {
137 __be32 trace_id;
138 u8 num_valid_data;
139 u8 reserved[3];
140 __be64 pmc_registers;
141 __be64 timebase;
142 __be64 trace_data[5];
143} __packed __aligned(8);
144
145struct ibmvnic_statistics {
146 __be32 version;
147 __be32 promiscuous;
148 __be64 rx_packets;
149 __be64 rx_bytes;
150 __be64 tx_packets;
151 __be64 tx_bytes;
152 __be64 ucast_tx_packets;
153 __be64 ucast_rx_packets;
154 __be64 mcast_tx_packets;
155 __be64 mcast_rx_packets;
156 __be64 bcast_tx_packets;
157 __be64 bcast_rx_packets;
158 __be64 align_errors;
159 __be64 fcs_errors;
160 __be64 single_collision_frames;
161 __be64 multi_collision_frames;
162 __be64 sqe_test_errors;
163 __be64 deferred_tx;
164 __be64 late_collisions;
165 __be64 excess_collisions;
166 __be64 internal_mac_tx_errors;
167 __be64 carrier_sense;
168 __be64 too_long_frames;
169 __be64 internal_mac_rx_errors;
170 u8 reserved[72];
171} __packed __aligned(8);
172
3d52b594
JA		 173#define NUM_TX_STATS 3
174struct ibmvnic_tx_queue_stats {
175 u64 packets;
176 u64 bytes;
177 u64 dropped_packets;
178};
179
180#define NUM_RX_STATS 3
181struct ibmvnic_rx_queue_stats {
182 u64 packets;
183 u64 bytes;
184 u64 interrupts;
185};
186
032c5e82
TF		 187struct ibmvnic_acl_buffer {
188 __be32 len;
189 __be32 version;
190#define INITIAL_VERSION_IOB 1
191 u8 mac_acls_restrict;
192 u8 vlan_acls_restrict;
193 u8 reserved1[22];
194 __be32 num_mac_addrs;
195 __be32 offset_mac_addrs;
196 __be32 num_vlan_ids;
197 __be32 offset_vlan_ids;
198 u8 reserved2[80];
199} __packed __aligned(8);
200
201/* descriptors have been changed, how should this be defined? 1? 4? */
202
203#define IBMVNIC_TX_DESC_VERSIONS 3
204
205/* is this still needed? */
206struct ibmvnic_tx_comp_desc {
207 u8 first;
208 u8 num_comps;
209 __be16 rcs[5];
210 __be32 correlators[5];
211} __packed __aligned(8);
212
213/* some flags that included in v0 descriptor, which is gone
214 * only used for IBMVNIC_TCP_CHKSUM and IBMVNIC_UDP_CHKSUM
215 * and only in some offload_flags variable that doesn't seem
216 * to be used anywhere, can probably be removed?
217 */
218
219#define IBMVNIC_TCP_CHKSUM 0x20
220#define IBMVNIC_UDP_CHKSUM 0x08
221
032c5e82
TF		 222struct ibmvnic_tx_desc {
223 u8 first;
224 u8 type;
225
226#define IBMVNIC_TX_DESC 0x10
227 u8 n_crq_elem;
228 u8 n_sge;
229 u8 flags1;
230#define IBMVNIC_TX_COMP_NEEDED 0x80
231#define IBMVNIC_TX_CHKSUM_OFFLOAD 0x40
232#define IBMVNIC_TX_LSO 0x20
233#define IBMVNIC_TX_PROT_TCP 0x10
234#define IBMVNIC_TX_PROT_UDP 0x08
235#define IBMVNIC_TX_PROT_IPV4 0x04
236#define IBMVNIC_TX_PROT_IPV6 0x02
237#define IBMVNIC_TX_VLAN_PRESENT 0x01
238 u8 flags2;
239#define IBMVNIC_TX_VLAN_INSERT 0x80
240 __be16 mss;
241 u8 reserved[4];
242 __be32 correlator;
243 __be16 vlan_id;
244 __be16 dma_reg;
245 __be32 sge_len;
246 __be64 ioba;
247} __packed __aligned(8);
248
249struct ibmvnic_hdr_desc {
250 u8 first;
251 u8 type;
252#define IBMVNIC_HDR_DESC 0x11
253 u8 len;
254 u8 l2_len;
255 __be16 l3_len;
256 u8 l4_len;
257 u8 flag;
258 u8 data[24];
259} __packed __aligned(8);
260
261struct ibmvnic_hdr_ext_desc {
262 u8 first;
263 u8 type;
264#define IBMVNIC_HDR_EXT_DESC 0x12
265 u8 len;
266 u8 data[29];
267} __packed __aligned(8);
268
269struct ibmvnic_sge_desc {
270 u8 first;
271 u8 type;
272#define IBMVNIC_SGE_DESC 0x30
273 __be16 sge1_dma_reg;
274 __be32 sge1_len;
275 __be64 sge1_ioba;
276 __be16 reserved;
277 __be16 sge2_dma_reg;
278 __be32 sge2_len;
279 __be64 sge2_ioba;
280} __packed __aligned(8);
281
282struct ibmvnic_rx_comp_desc {
283 u8 first;
284 u8 flags;
285#define IBMVNIC_IP_CHKSUM_GOOD 0x80
286#define IBMVNIC_TCP_UDP_CHKSUM_GOOD 0x40
287#define IBMVNIC_END_FRAME 0x20
288#define IBMVNIC_EXACT_MC 0x10
289#define IBMVNIC_VLAN_STRIPPED 0x08
290 __be16 off_frame_data;
291 __be32 len;
292 __be64 correlator;
293 __be16 vlan_tci;
294 __be16 rc;
295 u8 reserved[12];
296} __packed __aligned(8);
297
298struct ibmvnic_generic_scrq {
299 u8 first;
300 u8 reserved[31];
301} __packed __aligned(8);
302
303struct ibmvnic_rx_buff_add_desc {
304 u8 first;
305 u8 reserved[7];
306 __be64 correlator;
307 __be32 ioba;
308 u8 map_id;
309 __be32 len:24;
310 u8 reserved2[8];
311} __packed __aligned(8);
312
313struct ibmvnic_rc {
314 u8 code; /* one of enum ibmvnic_rc_codes */
315 u8 detailed_data[3];
316} __packed __aligned(4);
317
318struct ibmvnic_generic_crq {
319 u8 first;
320 u8 cmd;
321 u8 params[10];
322 struct ibmvnic_rc rc;
323} __packed __aligned(8);
324
325struct ibmvnic_version_exchange {
326 u8 first;
327 u8 cmd;
328 __be16 version;
329#define IBMVNIC_INITIAL_VERSION 1
330 u8 reserved[8];
331 struct ibmvnic_rc rc;
332} __packed __aligned(8);
333
334struct ibmvnic_capability {
335 u8 first;
336 u8 cmd;
337 __be16 capability; /* one of ibmvnic_capabilities */
de89e854 338 __be64 number;
032c5e82 339 struct ibmvnic_rc rc;
032c5e82
TF		 340} __packed __aligned(8);
341
342struct ibmvnic_login {
343 u8 first;
344 u8 cmd;
345 u8 reserved[6];
346 __be32 ioba;
347 __be32 len;
348} __packed __aligned(8);
349
350struct ibmvnic_phys_parms {
351 u8 first;
352 u8 cmd;
353 u8 flags1;
354#define IBMVNIC_EXTERNAL_LOOPBACK 0x80
355#define IBMVNIC_INTERNAL_LOOPBACK 0x40
356#define IBMVNIC_PROMISC 0x20
357#define IBMVNIC_PHYS_LINK_ACTIVE 0x10
358#define IBMVNIC_AUTONEG_DUPLEX 0x08
359#define IBMVNIC_FULL_DUPLEX 0x04
360#define IBMVNIC_HALF_DUPLEX 0x02
361#define IBMVNIC_CAN_CHG_PHYS_PARMS 0x01
362 u8 flags2;
363#define IBMVNIC_LOGICAL_LNK_ACTIVE 0x80
364 __be32 speed;
f8d6ae0d
MFV		 365#define IBMVNIC_AUTONEG 0x80000000
366#define IBMVNIC_10MBPS 0x40000000
367#define IBMVNIC_100MBPS 0x20000000
368#define IBMVNIC_1GBPS 0x10000000
b9cd795b 369#define IBMVNIC_10GBPS 0x08000000
f8d6ae0d
MFV		 370#define IBMVNIC_40GBPS 0x04000000
371#define IBMVNIC_100GBPS 0x02000000
372#define IBMVNIC_25GBPS 0x01000000
373#define IBMVNIC_50GBPS 0x00800000
374#define IBMVNIC_200GBPS 0x00400000
032c5e82
TF		 375 __be32 mtu;
376 struct ibmvnic_rc rc;
377} __packed __aligned(8);
378
379struct ibmvnic_logical_link_state {
380 u8 first;
381 u8 cmd;
382 u8 link_state;
383#define IBMVNIC_LOGICAL_LNK_DN 0x00
384#define IBMVNIC_LOGICAL_LNK_UP 0x01
385#define IBMVNIC_LOGICAL_LNK_QUERY 0xff
386 u8 reserved[9];
387 struct ibmvnic_rc rc;
388} __packed __aligned(8);
389
390struct ibmvnic_query_ip_offload {
391 u8 first;
392 u8 cmd;
393 u8 reserved[2];
394 __be32 len;
395 __be32 ioba;
396 struct ibmvnic_rc rc;
397} __packed __aligned(8);
398
399struct ibmvnic_control_ip_offload {
400 u8 first;
401 u8 cmd;
402 u8 reserved[2];
403 __be32 ioba;
404 __be32 len;
405 struct ibmvnic_rc rc;
406} __packed __aligned(8);
407
032c5e82
TF		 408struct ibmvnic_request_statistics {
409 u8 first;
410 u8 cmd;
411 u8 flags;
412#define IBMVNIC_PHYSICAL_PORT 0x80
413 u8 reserved1;
414 __be32 ioba;
415 __be32 len;
416 u8 reserved[4];
417} __packed __aligned(8);
418
032c5e82
TF		 419struct ibmvnic_error_indication {
420 u8 first;
421 u8 cmd;
422 u8 flags;
423#define IBMVNIC_FATAL_ERROR 0x80
424 u8 reserved1;
425 __be32 error_id;
426 __be32 detail_error_sz;
427 __be16 error_cause;
428 u8 reserved2[2];
429} __packed __aligned(8);
430
032c5e82
TF		 431struct ibmvnic_link_state_indication {
432 u8 first;
433 u8 cmd;
434 u8 reserved1[2];
435 u8 phys_link_state;
436 u8 logical_link_state;
437 u8 reserved2[10];
438} __packed __aligned(8);
439
440struct ibmvnic_change_mac_addr {
441 u8 first;
442 u8 cmd;
443 u8 mac_addr[6];
032c5e82 444 u8 reserved[4];
993a82b0 445 struct ibmvnic_rc rc;
032c5e82
TF		 446} __packed __aligned(8);
447
448struct ibmvnic_multicast_ctrl {
449 u8 first;
450 u8 cmd;
451 u8 mac_addr[6];
452 u8 flags;
453#define IBMVNIC_ENABLE_MC 0x80
454#define IBMVNIC_DISABLE_MC 0x40
455#define IBMVNIC_ENABLE_ALL 0x20
456#define IBMVNIC_DISABLE_ALL 0x10
457 u8 reserved1;
458 __be16 reserved2; /* was num_enabled_mc_addr; */
459 struct ibmvnic_rc rc;
460} __packed __aligned(8);
461
4e6759be
DANR		 462struct ibmvnic_get_vpd_size {
463 u8 first;
464 u8 cmd;
465 u8 reserved[14];
466} __packed __aligned(8);
467
032c5e82
TF		 468struct ibmvnic_get_vpd_size_rsp {
469 u8 first;
470 u8 cmd;
471 u8 reserved[2];
472 __be64 len;
473 struct ibmvnic_rc rc;
474} __packed __aligned(8);
475
476struct ibmvnic_get_vpd {
477 u8 first;
478 u8 cmd;
479 u8 reserved1[2];
480 __be32 ioba;
481 __be32 len;
482 u8 reserved[4];
483} __packed __aligned(8);
484
4e6759be
DANR		 485struct ibmvnic_get_vpd_rsp {
486 u8 first;
487 u8 cmd;
488 u8 reserved[10];
489 struct ibmvnic_rc rc;
490} __packed __aligned(8);
491
032c5e82
TF		 492struct ibmvnic_acl_change_indication {
493 u8 first;
494 u8 cmd;
495 __be16 change_type;
496#define IBMVNIC_MAC_ACL 0
497#define IBMVNIC_VLAN_ACL 1
498 u8 reserved[12];
499} __packed __aligned(8);
500
501struct ibmvnic_acl_query {
502 u8 first;
503 u8 cmd;
504 u8 reserved1[2];
505 __be32 ioba;
506 __be32 len;
507 u8 reserved2[4];
508} __packed __aligned(8);
509
510struct ibmvnic_tune {
511 u8 first;
512 u8 cmd;
513 u8 reserved1[2];
514 __be32 ioba;
515 __be32 len;
516 u8 reserved2[4];
517} __packed __aligned(8);
518
519struct ibmvnic_request_map {
520 u8 first;
521 u8 cmd;
522 u8 reserved1;
523 u8 map_id;
524 __be32 ioba;
525 __be32 len;
526 u8 reserved2[4];
527} __packed __aligned(8);
528
529struct ibmvnic_request_map_rsp {
530 u8 first;
531 u8 cmd;
532 u8 reserved1;
533 u8 map_id;
288ccb75 534 u8 reserved2[8];
032c5e82
TF		 535 struct ibmvnic_rc rc;
536} __packed __aligned(8);
537
538struct ibmvnic_request_unmap {
539 u8 first;
540 u8 cmd;
541 u8 reserved1;
542 u8 map_id;
543 u8 reserved2[12];
544} __packed __aligned(8);
545
546struct ibmvnic_request_unmap_rsp {
547 u8 first;
548 u8 cmd;
549 u8 reserved1;
550 u8 map_id;
551 u8 reserved2[8];
552 struct ibmvnic_rc rc;
553} __packed __aligned(8);
554
555struct ibmvnic_query_map {
556 u8 first;
557 u8 cmd;
558 u8 reserved[14];
559} __packed __aligned(8);
560
561struct ibmvnic_query_map_rsp {
562 u8 first;
563 u8 cmd;
564 u8 reserved;
565 u8 page_size;
566 __be32 tot_pages;
567 __be32 free_pages;
568 struct ibmvnic_rc rc;
569} __packed __aligned(8);
570
571union ibmvnic_crq {
572 struct ibmvnic_generic_crq generic;
573 struct ibmvnic_version_exchange version_exchange;
574 struct ibmvnic_version_exchange version_exchange_rsp;
575 struct ibmvnic_capability query_capability;
576 struct ibmvnic_capability query_capability_rsp;
577 struct ibmvnic_capability request_capability;
578 struct ibmvnic_capability request_capability_rsp;
579 struct ibmvnic_login login;
580 struct ibmvnic_generic_crq login_rsp;
581 struct ibmvnic_phys_parms query_phys_parms;
582 struct ibmvnic_phys_parms query_phys_parms_rsp;
583 struct ibmvnic_phys_parms query_phys_capabilities;
584 struct ibmvnic_phys_parms query_phys_capabilities_rsp;
585 struct ibmvnic_phys_parms set_phys_parms;
586 struct ibmvnic_phys_parms set_phys_parms_rsp;
587 struct ibmvnic_logical_link_state logical_link_state;
588 struct ibmvnic_logical_link_state logical_link_state_rsp;
589 struct ibmvnic_query_ip_offload query_ip_offload;
590 struct ibmvnic_query_ip_offload query_ip_offload_rsp;
591 struct ibmvnic_control_ip_offload control_ip_offload;
592 struct ibmvnic_control_ip_offload control_ip_offload_rsp;
032c5e82
TF		 593 struct ibmvnic_request_statistics request_statistics;
594 struct ibmvnic_generic_crq request_statistics_rsp;
032c5e82 595 struct ibmvnic_error_indication error_indication;
032c5e82
TF		 596 struct ibmvnic_link_state_indication link_state_indication;
597 struct ibmvnic_change_mac_addr change_mac_addr;
598 struct ibmvnic_change_mac_addr change_mac_addr_rsp;
599 struct ibmvnic_multicast_ctrl multicast_ctrl;
600 struct ibmvnic_multicast_ctrl multicast_ctrl_rsp;
4e6759be 601 struct ibmvnic_get_vpd_size get_vpd_size;
032c5e82
TF		 602 struct ibmvnic_get_vpd_size_rsp get_vpd_size_rsp;
603 struct ibmvnic_get_vpd get_vpd;
4e6759be 604 struct ibmvnic_get_vpd_rsp get_vpd_rsp;
032c5e82
TF		 605 struct ibmvnic_acl_change_indication acl_change_indication;
606 struct ibmvnic_acl_query acl_query;
607 struct ibmvnic_generic_crq acl_query_rsp;
608 struct ibmvnic_tune tune;
609 struct ibmvnic_generic_crq tune_rsp;
610 struct ibmvnic_request_map request_map;
611 struct ibmvnic_request_map_rsp request_map_rsp;
612 struct ibmvnic_request_unmap request_unmap;
613 struct ibmvnic_request_unmap_rsp request_unmap_rsp;
614 struct ibmvnic_query_map query_map;
615 struct ibmvnic_query_map_rsp query_map_rsp;
616};
617
618enum ibmvnic_rc_codes {
619 SUCCESS = 0,
620 PARTIALSUCCESS = 1,
621 PERMISSION = 2,
622 NOMEMORY = 3,
623 PARAMETER = 4,
624 UNKNOWNCOMMAND = 5,
625 ABORTED = 6,
626 INVALIDSTATE = 7,
627 INVALIDIOBA = 8,
628 INVALIDLENGTH = 9,
629 UNSUPPORTEDOPTION = 10,
630};
631
632enum ibmvnic_capabilities {
633 MIN_TX_QUEUES = 1,
634 MIN_RX_QUEUES = 2,
635 MIN_RX_ADD_QUEUES = 3,
636 MAX_TX_QUEUES = 4,
637 MAX_RX_QUEUES = 5,
638 MAX_RX_ADD_QUEUES = 6,
639 REQ_TX_QUEUES = 7,
640 REQ_RX_QUEUES = 8,
641 REQ_RX_ADD_QUEUES = 9,
642 MIN_TX_ENTRIES_PER_SUBCRQ = 10,
643 MIN_RX_ADD_ENTRIES_PER_SUBCRQ = 11,
644 MAX_TX_ENTRIES_PER_SUBCRQ = 12,
645 MAX_RX_ADD_ENTRIES_PER_SUBCRQ = 13,
646 REQ_TX_ENTRIES_PER_SUBCRQ = 14,
647 REQ_RX_ADD_ENTRIES_PER_SUBCRQ = 15,
648 TCP_IP_OFFLOAD = 16,
649 PROMISC_REQUESTED = 17,
650 PROMISC_SUPPORTED = 18,
651 MIN_MTU = 19,
652 MAX_MTU = 20,
653 REQ_MTU = 21,
654 MAX_MULTICAST_FILTERS = 22,
655 VLAN_HEADER_INSERTION = 23,
6052d5e2 656 RX_VLAN_HEADER_INSERTION = 24,
032c5e82
TF		 657 MAX_TX_SG_ENTRIES = 25,
658 RX_SG_SUPPORTED = 26,
659 RX_SG_REQUESTED = 27,
660 OPT_TX_COMP_SUB_QUEUES = 28,
661 OPT_RX_COMP_QUEUES = 29,
662 OPT_RX_BUFADD_Q_PER_RX_COMP_Q = 30,
663 OPT_TX_ENTRIES_PER_SUBCRQ = 31,
664 OPT_RXBA_ENTRIES_PER_SUBCRQ = 32,
665 TX_RX_DESC_REQ = 33,
666};
667
668enum ibmvnic_error_cause {
669 ADAPTER_PROBLEM = 0,
670 BUS_PROBLEM = 1,
671 FW_PROBLEM = 2,
672 DD_PROBLEM = 3,
673 EEH_RECOVERY = 4,
674 FW_UPDATED = 5,
675 LOW_MEMORY = 6,
676};
677
678enum ibmvnic_commands {
679 VERSION_EXCHANGE = 0x01,
680 VERSION_EXCHANGE_RSP = 0x81,
681 QUERY_CAPABILITY = 0x02,
682 QUERY_CAPABILITY_RSP = 0x82,
683 REQUEST_CAPABILITY = 0x03,
684 REQUEST_CAPABILITY_RSP = 0x83,
685 LOGIN = 0x04,
686 LOGIN_RSP = 0x84,
687 QUERY_PHYS_PARMS = 0x05,
688 QUERY_PHYS_PARMS_RSP = 0x85,
689 QUERY_PHYS_CAPABILITIES = 0x06,
690 QUERY_PHYS_CAPABILITIES_RSP = 0x86,
691 SET_PHYS_PARMS = 0x07,
692 SET_PHYS_PARMS_RSP = 0x87,
693 ERROR_INDICATION = 0x08,
032c5e82
TF		 694 LOGICAL_LINK_STATE = 0x0C,
695 LOGICAL_LINK_STATE_RSP = 0x8C,
696 REQUEST_STATISTICS = 0x0D,
697 REQUEST_STATISTICS_RSP = 0x8D,
032c5e82
TF		 698 COLLECT_FW_TRACE = 0x11,
699 COLLECT_FW_TRACE_RSP = 0x91,
700 LINK_STATE_INDICATION = 0x12,
701 CHANGE_MAC_ADDR = 0x13,
702 CHANGE_MAC_ADDR_RSP = 0x93,
703 MULTICAST_CTRL = 0x14,
704 MULTICAST_CTRL_RSP = 0x94,
705 GET_VPD_SIZE = 0x15,
706 GET_VPD_SIZE_RSP = 0x95,
707 GET_VPD = 0x16,
708 GET_VPD_RSP = 0x96,
709 TUNE = 0x17,
710 TUNE_RSP = 0x97,
711 QUERY_IP_OFFLOAD = 0x18,
712 QUERY_IP_OFFLOAD_RSP = 0x98,
713 CONTROL_IP_OFFLOAD = 0x19,
714 CONTROL_IP_OFFLOAD_RSP = 0x99,
715 ACL_CHANGE_INDICATION = 0x1A,
716 ACL_QUERY = 0x1B,
717 ACL_QUERY_RSP = 0x9B,
032c5e82
TF		 718 QUERY_MAP = 0x1D,
719 QUERY_MAP_RSP = 0x9D,
720 REQUEST_MAP = 0x1E,
721 REQUEST_MAP_RSP = 0x9E,
722 REQUEST_UNMAP = 0x1F,
723 REQUEST_UNMAP_RSP = 0x9F,
724 VLAN_CTRL = 0x20,
725 VLAN_CTRL_RSP = 0xA0,
726};
727
728enum ibmvnic_crq_type {
729 IBMVNIC_CRQ_CMD = 0x80,
730 IBMVNIC_CRQ_CMD_RSP = 0x80,
731 IBMVNIC_CRQ_INIT_CMD = 0xC0,
732 IBMVNIC_CRQ_INIT_RSP = 0xC0,
733 IBMVNIC_CRQ_XPORT_EVENT = 0xFF,
734};
735
736enum ibmvfc_crq_format {
737 IBMVNIC_CRQ_INIT = 0x01,
738 IBMVNIC_CRQ_INIT_COMPLETE = 0x02,
739 IBMVNIC_PARTITION_MIGRATED = 0x06,
dfad09a6 740 IBMVNIC_DEVICE_FAILOVER = 0x08,
032c5e82
TF		 741};
742
743struct ibmvnic_crq_queue {
744 union ibmvnic_crq *msgs;
745 int size, cur;
746 dma_addr_t msg_token;
a369d96c 747 /* Used for serialization of msgs, cur */
032c5e82 748 spinlock_t lock;
5153698e 749 bool active;
e56e2515 750 char name[32];
032c5e82
TF		 751};
752
753union sub_crq {
754 struct ibmvnic_generic_scrq generic;
755 struct ibmvnic_tx_comp_desc tx_comp;
756 struct ibmvnic_tx_desc v1;
757 struct ibmvnic_hdr_desc hdr;
758 struct ibmvnic_hdr_ext_desc hdr_ext;
759 struct ibmvnic_sge_desc sge;
760 struct ibmvnic_rx_comp_desc rx_comp;
761 struct ibmvnic_rx_buff_add_desc rx_add;
762};
763
f019fb63
TF		 764struct ibmvnic_ind_xmit_queue {
765 union sub_crq *indir_arr;
766 dma_addr_t indir_dma;
767 int index;
768};
769
032c5e82
TF		 770struct ibmvnic_sub_crq_queue {
771 union sub_crq *msgs;
772 int size, cur;
773 dma_addr_t msg_token;
774 unsigned long crq_num;
775 unsigned long hw_irq;
776 unsigned int irq;
777 unsigned int pool_index;
778 int scrq_num;
a369d96c 779 /* Used for serialization of msgs, cur */
032c5e82
TF		 780 spinlock_t lock;
781 struct sk_buff *rx_skb_top;
782 struct ibmvnic_adapter *adapter;
f019fb63 783 struct ibmvnic_ind_xmit_queue ind_buf;
142c0ac4 784 atomic_t used;
e56e2515 785 char name[32];
f3ae59c0 786 u64 handle;
9a87c3fc 787} ____cacheline_aligned;
032c5e82
TF		 788
789struct ibmvnic_long_term_buff {
790 unsigned char *buff;
791 dma_addr_t addr;
792 u64 size;
793 u8 map_id;
794};
795
796struct ibmvnic_tx_buff {
797 struct sk_buff *skb;
032c5e82
TF		 798 int index;
799 int pool_index;
ffc385b9 800 int num_entries;
032c5e82
TF		 801};
802
803struct ibmvnic_tx_pool {
804 struct ibmvnic_tx_buff *tx_buff;
805 int *free_map;
806 int consumer_index;
807 int producer_index;
032c5e82 808 struct ibmvnic_long_term_buff long_term_buff;
4bd95a51
TF		 809 int num_buffers;
810 int buf_size;
9a87c3fc 811} ____cacheline_aligned;
032c5e82
TF		 812
813struct ibmvnic_rx_buff {
814 struct sk_buff *skb;
815 dma_addr_t dma;
816 unsigned char *data;
817 int size;
818 int pool_index;
819};
820
821struct ibmvnic_rx_pool {
822 struct ibmvnic_rx_buff *rx_buff;
0df7b9ad 823 int size; /* # of buffers in the pool */
032c5e82
TF		 824 int index;
825 int buff_size;
826 atomic_t available;
827 int *free_map;
828 int next_free;
829 int next_alloc;
830 int active;
831 struct ibmvnic_long_term_buff long_term_buff;
9a87c3fc 832} ____cacheline_aligned;
032c5e82 833
4e6759be
DANR		 834struct ibmvnic_vpd {
835 unsigned char *buff;
836 dma_addr_t dma_addr;
837 u64 len;
838};
839
90c8014c
NF		 840enum vnic_state {VNIC_PROBING = 1,
841 VNIC_PROBED,
842 VNIC_OPENING,
843 VNIC_OPEN,
844 VNIC_CLOSING,
845 VNIC_CLOSED,
846 VNIC_REMOVING,
53f8b1b2
CF		 847 VNIC_REMOVED,
848 VNIC_DOWN};
90c8014c 849
ed651a10
NF		 850enum ibmvnic_reset_reason {VNIC_RESET_FAILOVER = 1,
851 VNIC_RESET_MOBILITY,
852 VNIC_RESET_FATAL,
8cb31cfc 853 VNIC_RESET_NON_FATAL,
c26eba03 854 VNIC_RESET_TIMEOUT,
53f8b1b2
CF		 855 VNIC_RESET_CHANGE_PARAM,
856 VNIC_RESET_PASSIVE_INIT};
ed651a10
NF		 857
858struct ibmvnic_rwi {
859 enum ibmvnic_reset_reason reset_reason;
860 struct list_head list;
861};
862
c26eba03
JA		 863struct ibmvnic_tunables {
864 u64 rx_queues;
865 u64 tx_queues;
866 u64 rx_entries;
867 u64 tx_entries;
868 u64 mtu;
c26eba03
JA		 869};
870
032c5e82
TF		 871struct ibmvnic_adapter {
872 struct vio_dev *vdev;
873 struct net_device *netdev;
874 struct ibmvnic_crq_queue crq;
875 u8 mac_addr[ETH_ALEN];
876 struct ibmvnic_query_ip_offload_buffer ip_offload_buf;
877 dma_addr_t ip_offload_tok;
878 struct ibmvnic_control_ip_offload_buffer ip_offload_ctrl;
879 dma_addr_t ip_offload_ctrl_tok;
032c5e82 880 u32 msg_enable;
032c5e82 881
4e6759be
DANR		 882 /* Vital Product Data (VPD) */
883 struct ibmvnic_vpd *vpd;
884 char fw_version[32];
885
032c5e82 886 /* Statistics */
032c5e82
TF		 887 struct ibmvnic_statistics stats;
888 dma_addr_t stats_token;
889 struct completion stats_done;
032c5e82
TF		 890 int replenish_no_mem;
891 int replenish_add_buff_success;
892 int replenish_add_buff_failure;
893 int replenish_task_cycles;
894 int tx_send_failed;
895 int tx_map_failed;
896
3d52b594
JA		 897 struct ibmvnic_tx_queue_stats *tx_stats_buffers;
898 struct ibmvnic_rx_queue_stats *rx_stats_buffers;
899
032c5e82
TF		 900 int phys_link_state;
901 int logical_link_state;
902
f8d6ae0d
MFV		 903 u32 speed;
904 u8 duplex;
905
032c5e82
TF		 906 /* login data */
907 struct ibmvnic_login_buffer *login_buf;
908 dma_addr_t login_buf_token;
909 int login_buf_sz;
910
911 struct ibmvnic_login_rsp_buffer *login_rsp_buf;
912 dma_addr_t login_rsp_buf_token;
913 int login_rsp_buf_sz;
914
901e040a 915 atomic_t running_cap_crqs;
032c5e82 916
9a87c3fc
DB		 917 struct ibmvnic_sub_crq_queue **tx_scrq ____cacheline_aligned;
918 struct ibmvnic_sub_crq_queue **rx_scrq ____cacheline_aligned;
032c5e82
TF		 919
920 /* rx structs */
921 struct napi_struct *napi;
922 struct ibmvnic_rx_pool *rx_pool;
923 u64 promisc;
924
925 struct ibmvnic_tx_pool *tx_pool;
4bd95a51 926 struct ibmvnic_tx_pool *tso_pool;
fd98693c 927 struct completion probe_done;
032c5e82 928 struct completion init_done;
53da09e9 929 int init_done_rc;
032c5e82 930
032c5e82 931 struct completion fw_done;
ff25dcb9
TF		 932 /* Used for serialization of device commands */
933 struct mutex fw_lock;
f3be0cbc 934 int fw_done_rc;
032c5e82 935
c26eba03
JA		 936 struct completion reset_done;
937 int reset_done_rc;
938 bool wait_for_reset;
939
032c5e82
TF		 940 /* partner capabilities */
941 u64 min_tx_queues;
942 u64 min_rx_queues;
943 u64 min_rx_add_queues;
944 u64 max_tx_queues;
945 u64 max_rx_queues;
946 u64 max_rx_add_queues;
947 u64 req_tx_queues;
948 u64 req_rx_queues;
949 u64 req_rx_add_queues;
950 u64 min_tx_entries_per_subcrq;
951 u64 min_rx_add_entries_per_subcrq;
952 u64 max_tx_entries_per_subcrq;
953 u64 max_rx_add_entries_per_subcrq;
954 u64 req_tx_entries_per_subcrq;
955 u64 req_rx_add_entries_per_subcrq;
956 u64 tcp_ip_offload;
957 u64 promisc_requested;
958 u64 promisc_supported;
959 u64 min_mtu;
960 u64 max_mtu;
961 u64 req_mtu;
bbd80930 962 u64 prev_mtu;
032c5e82
TF		 963 u64 max_multicast_filters;
964 u64 vlan_header_insertion;
6052d5e2 965 u64 rx_vlan_header_insertion;
032c5e82
TF		 966 u64 max_tx_sg_entries;
967 u64 rx_sg_supported;
968 u64 rx_sg_requested;
969 u64 opt_tx_comp_sub_queues;
970 u64 opt_rx_comp_queues;
971 u64 opt_rx_bufadd_q_per_rx_comp_q;
972 u64 opt_tx_entries_per_subcrq;
973 u64 opt_rxba_entries_per_subcrq;
974 __be64 tx_rx_desc_req;
129854f0
SB		 975#define MAX_MAP_ID 255
976 DECLARE_BITMAP(map_ids, MAX_MAP_ID);
82e3be32
NF		 977 u32 num_active_rx_scrqs;
978 u32 num_active_rx_pools;
979 u32 num_active_rx_napi;
980 u32 num_active_tx_scrqs;
981 u32 num_active_tx_pools;
489de956
SB		 982
983 u32 prev_rx_pool_size;
bbd80930 984 u32 prev_tx_pool_size;
507ebe64 985 u32 cur_rx_buf_sz;
489de956 986 u32 prev_rx_buf_sz;
65dc6891 987
6c267b3d 988 struct tasklet_struct tasklet;
90c8014c 989 enum vnic_state state;
b646acd5
JK		 990 /* Used for serialization of state field. When taking both state
991 * and rwi locks, take state lock first.
992 */
a369d96c 993 spinlock_t state_lock;
ed651a10 994 enum ibmvnic_reset_reason reset_reason;
ed651a10 995 struct list_head rwi_list;
b646acd5
JK		 996 /* Used for serialization of rwi_list. When taking both state
997 * and rwi locks, take state lock first
998 */
a369d96c 999 spinlock_t rwi_lock;
ed651a10 1000 struct work_struct ibmvnic_reset;
7ed5b31f
JK		 1001 struct delayed_work ibmvnic_delayed_reset;
1002 unsigned long resetting;
a86d5c68
DM		 1003 /* last device reset time */
1004 unsigned long last_reset_time;
c26eba03 1005
4219196d
SB		 1006 bool napi_enabled;
1007 bool from_passive_init;
1008 bool login_pending;
1009 /* protected by rcu */
1010 bool tx_queues_active;
5a18e1e0 1011 bool failover_pending;
2770a798 1012 bool force_reset_recovery;
c26eba03
JA		 1013
1014 struct ibmvnic_tunables desired;
1015 struct ibmvnic_tunables fallback;
032c5e82 1016};
Linux 6.x block layer and io_uring tree(s)