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37#if !defined(IB_MAD_H)
38#define IB_MAD_H
39
40#include <linux/list.h>
41
42#include <rdma/ib_verbs.h>
43#include <uapi/rdma/ib_user_mad.h>
44
45
46#define IB_MGMT_BASE_VERSION 1
47#define OPA_MGMT_BASE_VERSION 0x80
48
49#define OPA_SM_CLASS_VERSION 0x80
50
51
52#define IB_MGMT_CLASS_SUBN_LID_ROUTED 0x01
53#define IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE 0x81
54#define IB_MGMT_CLASS_SUBN_ADM 0x03
55#define IB_MGMT_CLASS_PERF_MGMT 0x04
56#define IB_MGMT_CLASS_BM 0x05
57#define IB_MGMT_CLASS_DEVICE_MGMT 0x06
58#define IB_MGMT_CLASS_CM 0x07
59#define IB_MGMT_CLASS_SNMP 0x08
60#define IB_MGMT_CLASS_DEVICE_ADM 0x10
61#define IB_MGMT_CLASS_BOOT_MGMT 0x11
62#define IB_MGMT_CLASS_BIS 0x12
63#define IB_MGMT_CLASS_CONG_MGMT 0x21
64#define IB_MGMT_CLASS_VENDOR_RANGE2_START 0x30
65#define IB_MGMT_CLASS_VENDOR_RANGE2_END 0x4F
66
67#define IB_OPENIB_OUI (0x001405)
68
69
70#define IB_MGMT_METHOD_GET 0x01
71#define IB_MGMT_METHOD_SET 0x02
72#define IB_MGMT_METHOD_GET_RESP 0x81
73#define IB_MGMT_METHOD_SEND 0x03
74#define IB_MGMT_METHOD_TRAP 0x05
75#define IB_MGMT_METHOD_REPORT 0x06
76#define IB_MGMT_METHOD_REPORT_RESP 0x86
77#define IB_MGMT_METHOD_TRAP_REPRESS 0x07
78
79#define IB_MGMT_METHOD_RESP 0x80
80#define IB_BM_ATTR_MOD_RESP cpu_to_be32(1)
81
82#define IB_MGMT_MAX_METHODS 128
83
84
85#define IB_MGMT_MAD_STATUS_SUCCESS 0x0000
86#define IB_MGMT_MAD_STATUS_BUSY 0x0001
87#define IB_MGMT_MAD_STATUS_REDIRECT_REQD 0x0002
88#define IB_MGMT_MAD_STATUS_BAD_VERSION 0x0004
89#define IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD 0x0008
90#define IB_MGMT_MAD_STATUS_UNSUPPORTED_METHOD_ATTRIB 0x000c
91#define IB_MGMT_MAD_STATUS_INVALID_ATTRIB_VALUE 0x001c
92
93
94#define IB_MGMT_RMPP_VERSION 1
95
96#define IB_MGMT_RMPP_TYPE_DATA 1
97#define IB_MGMT_RMPP_TYPE_ACK 2
98#define IB_MGMT_RMPP_TYPE_STOP 3
99#define IB_MGMT_RMPP_TYPE_ABORT 4
100
101#define IB_MGMT_RMPP_FLAG_ACTIVE 1
102#define IB_MGMT_RMPP_FLAG_FIRST (1<<1)
103#define IB_MGMT_RMPP_FLAG_LAST (1<<2)
104
105#define IB_MGMT_RMPP_NO_RESPTIME 0x1F
106
107#define IB_MGMT_RMPP_STATUS_SUCCESS 0
108#define IB_MGMT_RMPP_STATUS_RESX 1
109#define IB_MGMT_RMPP_STATUS_ABORT_MIN 118
110#define IB_MGMT_RMPP_STATUS_T2L 118
111#define IB_MGMT_RMPP_STATUS_BAD_LEN 119
112#define IB_MGMT_RMPP_STATUS_BAD_SEG 120
113#define IB_MGMT_RMPP_STATUS_BADT 121
114#define IB_MGMT_RMPP_STATUS_W2S 122
115#define IB_MGMT_RMPP_STATUS_S2B 123
116#define IB_MGMT_RMPP_STATUS_BAD_STATUS 124
117#define IB_MGMT_RMPP_STATUS_UNV 125
118#define IB_MGMT_RMPP_STATUS_TMR 126
119#define IB_MGMT_RMPP_STATUS_UNSPEC 127
120#define IB_MGMT_RMPP_STATUS_ABORT_MAX 127
121
122#define IB_QP0 0
123#define IB_QP1 cpu_to_be32(1)
124#define IB_QP1_QKEY 0x80010000
125#define IB_QP_SET_QKEY 0x80000000
126
127#define IB_DEFAULT_PKEY_PARTIAL 0x7FFF
128#define IB_DEFAULT_PKEY_FULL 0xFFFF
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132
133#define IB_NOTICE_TYPE_FATAL 0x80
134#define IB_NOTICE_TYPE_URGENT 0x81
135#define IB_NOTICE_TYPE_SECURITY 0x82
136#define IB_NOTICE_TYPE_SM 0x83
137#define IB_NOTICE_TYPE_INFO 0x84
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141
142#define IB_NOTICE_PROD_CA cpu_to_be16(1)
143#define IB_NOTICE_PROD_SWITCH cpu_to_be16(2)
144#define IB_NOTICE_PROD_ROUTER cpu_to_be16(3)
145#define IB_NOTICE_PROD_CLASS_MGR cpu_to_be16(4)
146
147enum {
148 IB_MGMT_MAD_HDR = 24,
149 IB_MGMT_MAD_DATA = 232,
150 IB_MGMT_RMPP_HDR = 36,
151 IB_MGMT_RMPP_DATA = 220,
152 IB_MGMT_VENDOR_HDR = 40,
153 IB_MGMT_VENDOR_DATA = 216,
154 IB_MGMT_SA_HDR = 56,
155 IB_MGMT_SA_DATA = 200,
156 IB_MGMT_DEVICE_HDR = 64,
157 IB_MGMT_DEVICE_DATA = 192,
158 IB_MGMT_MAD_SIZE = IB_MGMT_MAD_HDR + IB_MGMT_MAD_DATA,
159 OPA_MGMT_MAD_DATA = 2024,
160 OPA_MGMT_RMPP_DATA = 2012,
161 OPA_MGMT_MAD_SIZE = IB_MGMT_MAD_HDR + OPA_MGMT_MAD_DATA,
162};
163
164struct ib_mad_hdr {
165 u8 base_version;
166 u8 mgmt_class;
167 u8 class_version;
168 u8 method;
169 __be16 status;
170 __be16 class_specific;
171 __be64 tid;
172 __be16 attr_id;
173 __be16 resv;
174 __be32 attr_mod;
175};
176
177struct ib_rmpp_hdr {
178 u8 rmpp_version;
179 u8 rmpp_type;
180 u8 rmpp_rtime_flags;
181 u8 rmpp_status;
182 __be32 seg_num;
183 __be32 paylen_newwin;
184};
185
186typedef u64 __bitwise ib_sa_comp_mask;
187
188#define IB_SA_COMP_MASK(n) ((__force ib_sa_comp_mask) cpu_to_be64(1ull << (n)))
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196struct ib_sa_hdr {
197 __be64 sm_key;
198 __be16 attr_offset;
199 __be16 reserved;
200 ib_sa_comp_mask comp_mask;
201} __packed;
202
203struct ib_mad {
204 struct ib_mad_hdr mad_hdr;
205 u8 data[IB_MGMT_MAD_DATA];
206};
207
208struct opa_mad {
209 struct ib_mad_hdr mad_hdr;
210 u8 data[OPA_MGMT_MAD_DATA];
211};
212
213struct ib_rmpp_mad {
214 struct ib_mad_hdr mad_hdr;
215 struct ib_rmpp_hdr rmpp_hdr;
216 u8 data[IB_MGMT_RMPP_DATA];
217};
218
219struct opa_rmpp_mad {
220 struct ib_mad_hdr mad_hdr;
221 struct ib_rmpp_hdr rmpp_hdr;
222 u8 data[OPA_MGMT_RMPP_DATA];
223};
224
225struct ib_sa_mad {
226 struct ib_mad_hdr mad_hdr;
227 struct ib_rmpp_hdr rmpp_hdr;
228 struct ib_sa_hdr sa_hdr;
229 u8 data[IB_MGMT_SA_DATA];
230} __packed;
231
232struct ib_vendor_mad {
233 struct ib_mad_hdr mad_hdr;
234 struct ib_rmpp_hdr rmpp_hdr;
235 u8 reserved;
236 u8 oui[3];
237 u8 data[IB_MGMT_VENDOR_DATA];
238};
239
240#define IB_MGMT_CLASSPORTINFO_ATTR_ID cpu_to_be16(0x0001)
241
242#define IB_CLASS_PORT_INFO_RESP_TIME_MASK 0x1F
243#define IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE 5
244
245struct ib_class_port_info {
246 u8 base_version;
247 u8 class_version;
248 __be16 capability_mask;
249
250 __be32 cap_mask2_resp_time;
251 u8 redirect_gid[16];
252 __be32 redirect_tcslfl;
253 __be16 redirect_lid;
254 __be16 redirect_pkey;
255 __be32 redirect_qp;
256 __be32 redirect_qkey;
257 u8 trap_gid[16];
258 __be32 trap_tcslfl;
259 __be16 trap_lid;
260 __be16 trap_pkey;
261 __be32 trap_hlqp;
262 __be32 trap_qkey;
263};
264
265
266enum ib_port_capability_mask_bits {
267 IB_PORT_SM = 1 << 1,
268 IB_PORT_NOTICE_SUP = 1 << 2,
269 IB_PORT_TRAP_SUP = 1 << 3,
270 IB_PORT_OPT_IPD_SUP = 1 << 4,
271 IB_PORT_AUTO_MIGR_SUP = 1 << 5,
272 IB_PORT_SL_MAP_SUP = 1 << 6,
273 IB_PORT_MKEY_NVRAM = 1 << 7,
274 IB_PORT_PKEY_NVRAM = 1 << 8,
275 IB_PORT_LED_INFO_SUP = 1 << 9,
276 IB_PORT_SM_DISABLED = 1 << 10,
277 IB_PORT_SYS_IMAGE_GUID_SUP = 1 << 11,
278 IB_PORT_PKEY_SW_EXT_PORT_TRAP_SUP = 1 << 12,
279 IB_PORT_EXTENDED_SPEEDS_SUP = 1 << 14,
280 IB_PORT_CAP_MASK2_SUP = 1 << 15,
281 IB_PORT_CM_SUP = 1 << 16,
282 IB_PORT_SNMP_TUNNEL_SUP = 1 << 17,
283 IB_PORT_REINIT_SUP = 1 << 18,
284 IB_PORT_DEVICE_MGMT_SUP = 1 << 19,
285 IB_PORT_VENDOR_CLASS_SUP = 1 << 20,
286 IB_PORT_DR_NOTICE_SUP = 1 << 21,
287 IB_PORT_CAP_MASK_NOTICE_SUP = 1 << 22,
288 IB_PORT_BOOT_MGMT_SUP = 1 << 23,
289 IB_PORT_LINK_LATENCY_SUP = 1 << 24,
290 IB_PORT_CLIENT_REG_SUP = 1 << 25,
291 IB_PORT_OTHER_LOCAL_CHANGES_SUP = 1 << 26,
292 IB_PORT_LINK_SPEED_WIDTH_TABLE_SUP = 1 << 27,
293 IB_PORT_VENDOR_SPECIFIC_MADS_TABLE_SUP = 1 << 28,
294 IB_PORT_MCAST_PKEY_TRAP_SUPPRESSION_SUP = 1 << 29,
295 IB_PORT_MCAST_FDB_TOP_SUP = 1 << 30,
296 IB_PORT_HIERARCHY_INFO_SUP = 1ULL << 31,
297};
298
299enum ib_port_capability_mask2_bits {
300 IB_PORT_SET_NODE_DESC_SUP = 1 << 0,
301 IB_PORT_EX_PORT_INFO_EX_SUP = 1 << 1,
302 IB_PORT_VIRT_SUP = 1 << 2,
303 IB_PORT_SWITCH_PORT_STATE_TABLE_SUP = 1 << 3,
304 IB_PORT_LINK_WIDTH_2X_SUP = 1 << 4,
305 IB_PORT_LINK_SPEED_HDR_SUP = 1 << 5,
306};
307
308#define OPA_CLASS_PORT_INFO_PR_SUPPORT BIT(26)
309
310struct opa_class_port_info {
311 u8 base_version;
312 u8 class_version;
313 __be16 cap_mask;
314 __be32 cap_mask2_resp_time;
315
316 u8 redirect_gid[16];
317 __be32 redirect_tc_fl;
318 __be32 redirect_lid;
319 __be32 redirect_sl_qp;
320 __be32 redirect_qkey;
321
322 u8 trap_gid[16];
323 __be32 trap_tc_fl;
324 __be32 trap_lid;
325 __be32 trap_hl_qp;
326 __be32 trap_qkey;
327
328 __be16 trap_pkey;
329 __be16 redirect_pkey;
330
331 u8 trap_sl_rsvd;
332 u8 reserved[3];
333} __packed;
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340static inline u8 ib_get_cpi_resp_time(struct ib_class_port_info *cpi)
341{
342 return (u8)(be32_to_cpu(cpi->cap_mask2_resp_time) &
343 IB_CLASS_PORT_INFO_RESP_TIME_MASK);
344}
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352static inline void ib_set_cpi_resp_time(struct ib_class_port_info *cpi,
353 u8 rtime)
354{
355 cpi->cap_mask2_resp_time =
356 (cpi->cap_mask2_resp_time &
357 cpu_to_be32(~IB_CLASS_PORT_INFO_RESP_TIME_MASK)) |
358 cpu_to_be32(rtime & IB_CLASS_PORT_INFO_RESP_TIME_MASK);
359}
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366static inline u32 ib_get_cpi_capmask2(struct ib_class_port_info *cpi)
367{
368 return (be32_to_cpu(cpi->cap_mask2_resp_time) >>
369 IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE);
370}
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378static inline void ib_set_cpi_capmask2(struct ib_class_port_info *cpi,
379 u32 capmask2)
380{
381 cpi->cap_mask2_resp_time =
382 (cpi->cap_mask2_resp_time &
383 cpu_to_be32(IB_CLASS_PORT_INFO_RESP_TIME_MASK)) |
384 cpu_to_be32(capmask2 <<
385 IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE);
386}
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393static inline u32 opa_get_cpi_capmask2(struct opa_class_port_info *cpi)
394{
395 return (be32_to_cpu(cpi->cap_mask2_resp_time) >>
396 IB_CLASS_PORT_INFO_RESP_TIME_FIELD_SIZE);
397}
398
399struct ib_mad_notice_attr {
400 u8 generic_type;
401 u8 prod_type_msb;
402 __be16 prod_type_lsb;
403 __be16 trap_num;
404 __be16 issuer_lid;
405 __be16 toggle_count;
406
407 union {
408 struct {
409 u8 details[54];
410 } raw_data;
411
412 struct {
413 __be16 reserved;
414 __be16 lid;
415 u8 port_num;
416 } __packed ntc_129_131;
417
418 struct {
419 __be16 reserved;
420 __be16 lid;
421 u8 reserved2;
422 u8 local_changes;
423 __be32 new_cap_mask;
424 u8 reserved3;
425 u8 change_flags;
426 } __packed ntc_144;
427
428 struct {
429 __be16 reserved;
430 __be16 lid;
431 __be16 reserved2;
432 __be64 new_sys_guid;
433 } __packed ntc_145;
434
435 struct {
436 __be16 reserved;
437 __be16 lid;
438 __be16 dr_slid;
439 u8 method;
440 u8 reserved2;
441 __be16 attr_id;
442 __be32 attr_mod;
443 __be64 mkey;
444 u8 reserved3;
445 u8 dr_trunc_hop;
446 u8 dr_rtn_path[30];
447 } __packed ntc_256;
448
449 struct {
450 __be16 reserved;
451 __be16 lid1;
452 __be16 lid2;
453 __be32 key;
454 __be32 sl_qp1;
455 __be32 qp2;
456 union ib_gid gid1;
457 union ib_gid gid2;
458 } __packed ntc_257_258;
459
460 } details;
461};
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489struct ib_mad_send_buf {
490 struct ib_mad_send_buf *next;
491 void *mad;
492 struct ib_mad_agent *mad_agent;
493 struct ib_ah *ah;
494 void *context[2];
495 int hdr_len;
496 int data_len;
497 int seg_count;
498 int seg_size;
499 int seg_rmpp_size;
500 int timeout_ms;
501 int retries;
502};
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508int ib_response_mad(const struct ib_mad_hdr *hdr);
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514static inline u8 ib_get_rmpp_resptime(struct ib_rmpp_hdr *rmpp_hdr)
515{
516 return rmpp_hdr->rmpp_rtime_flags >> 3;
517}
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523static inline u8 ib_get_rmpp_flags(struct ib_rmpp_hdr *rmpp_hdr)
524{
525 return rmpp_hdr->rmpp_rtime_flags & 0x7;
526}
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533static inline void ib_set_rmpp_resptime(struct ib_rmpp_hdr *rmpp_hdr, u8 rtime)
534{
535 rmpp_hdr->rmpp_rtime_flags = ib_get_rmpp_flags(rmpp_hdr) | (rtime << 3);
536}
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543static inline void ib_set_rmpp_flags(struct ib_rmpp_hdr *rmpp_hdr, u8 flags)
544{
545 rmpp_hdr->rmpp_rtime_flags = (rmpp_hdr->rmpp_rtime_flags & 0xF8) |
546 (flags & 0x7);
547}
548
549struct ib_mad_agent;
550struct ib_mad_send_wc;
551struct ib_mad_recv_wc;
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558typedef void (*ib_mad_send_handler)(struct ib_mad_agent *mad_agent,
559 struct ib_mad_send_wc *mad_send_wc);
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571typedef void (*ib_mad_snoop_handler)(struct ib_mad_agent *mad_agent,
572 struct ib_mad_send_buf *send_buf,
573 struct ib_mad_send_wc *mad_send_wc);
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587typedef void (*ib_mad_recv_handler)(struct ib_mad_agent *mad_agent,
588 struct ib_mad_send_buf *send_buf,
589 struct ib_mad_recv_wc *mad_recv_wc);
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607enum {
608 IB_MAD_USER_RMPP = IB_USER_MAD_USER_RMPP,
609};
610struct ib_mad_agent {
611 struct ib_device *device;
612 struct ib_qp *qp;
613 ib_mad_recv_handler recv_handler;
614 ib_mad_send_handler send_handler;
615 ib_mad_snoop_handler snoop_handler;
616 void *context;
617 u32 hi_tid;
618 u32 flags;
619 void *security;
620 struct list_head mad_agent_sec_list;
621 u8 port_num;
622 u8 rmpp_version;
623 bool smp_allowed;
624};
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633struct ib_mad_send_wc {
634 struct ib_mad_send_buf *send_buf;
635 enum ib_wc_status status;
636 u32 vendor_err;
637};
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647struct ib_mad_recv_buf {
648 struct list_head list;
649 struct ib_grh *grh;
650 union {
651 struct ib_mad *mad;
652 struct opa_mad *opa_mad;
653 };
654};
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667struct ib_mad_recv_wc {
668 struct ib_wc *wc;
669 struct ib_mad_recv_buf recv_buf;
670 struct list_head rmpp_list;
671 int mad_len;
672 size_t mad_seg_size;
673};
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688struct ib_mad_reg_req {
689 u8 mgmt_class;
690 u8 mgmt_class_version;
691 u8 oui[3];
692 DECLARE_BITMAP(method_mask, IB_MGMT_MAX_METHODS);
693};
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714struct ib_mad_agent *ib_register_mad_agent(struct ib_device *device,
715 u8 port_num,
716 enum ib_qp_type qp_type,
717 struct ib_mad_reg_req *mad_reg_req,
718 u8 rmpp_version,
719 ib_mad_send_handler send_handler,
720 ib_mad_recv_handler recv_handler,
721 void *context,
722 u32 registration_flags);
723
724enum ib_mad_snoop_flags {
725
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727 IB_MAD_SNOOP_SEND_COMPLETIONS = (1<<2),
728
729 IB_MAD_SNOOP_RECVS = (1<<4)
730
731
732};
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745struct ib_mad_agent *ib_register_mad_snoop(struct ib_device *device,
746 u8 port_num,
747 enum ib_qp_type qp_type,
748 int mad_snoop_flags,
749 ib_mad_snoop_handler snoop_handler,
750 ib_mad_recv_handler recv_handler,
751 void *context);
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760void ib_unregister_mad_agent(struct ib_mad_agent *mad_agent);
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781int ib_post_send_mad(struct ib_mad_send_buf *send_buf,
782 struct ib_mad_send_buf **bad_send_buf);
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792void ib_free_recv_mad(struct ib_mad_recv_wc *mad_recv_wc);
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802void ib_cancel_mad(struct ib_mad_agent *mad_agent,
803 struct ib_mad_send_buf *send_buf);
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814int ib_modify_mad(struct ib_mad_agent *mad_agent,
815 struct ib_mad_send_buf *send_buf, u32 timeout_ms);
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844struct ib_mad_send_buf *ib_create_send_mad(struct ib_mad_agent *mad_agent,
845 u32 remote_qpn, u16 pkey_index,
846 int rmpp_active,
847 int hdr_len, int data_len,
848 gfp_t gfp_mask,
849 u8 base_version);
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858int ib_is_mad_class_rmpp(u8 mgmt_class);
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868int ib_get_mad_data_offset(u8 mgmt_class);
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878void *ib_get_rmpp_segment(struct ib_mad_send_buf *send_buf, int seg_num);
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884void ib_free_send_mad(struct ib_mad_send_buf *send_buf);
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891int ib_mad_kernel_rmpp_agent(const struct ib_mad_agent *agent);
892
893#endif
894