xref: /openbmc/linux/include/rdma/opa_port_info.h (revision a06c488d)
1 /*
2  * Copyright (c) 2014 Intel Corporation.  All rights reserved.
3  *
4  * This software is available to you under a choice of one of two
5  * licenses.  You may choose to be licensed under the terms of the GNU
6  * General Public License (GPL) Version 2, available from the file
7  * COPYING in the main directory of this source tree, or the
8  * OpenIB.org BSD license below:
9  *
10  *     Redistribution and use in source and binary forms, with or
11  *     without modification, are permitted provided that the following
12  *     conditions are met:
13  *
14  *      - Redistributions of source code must retain the above
15  *        copyright notice, this list of conditions and the following
16  *        disclaimer.
17  *
18  *      - Redistributions in binary form must reproduce the above
19  *        copyright notice, this list of conditions and the following
20  *        disclaimer in the documentation and/or other materials
21  *        provided with the distribution.
22  *
23  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
27  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
28  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
29  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30  * SOFTWARE.
31  */
32 
33 #if !defined(OPA_PORT_INFO_H)
34 #define OPA_PORT_INFO_H
35 
36 /* Temporary until HFI driver is updated */
37 #ifndef USE_PI_LED_ENABLE
38 #define USE_PI_LED_ENABLE 0
39 #endif
40 
41 #define OPA_PORT_LINK_MODE_NOP	0		/* No change */
42 #define OPA_PORT_LINK_MODE_OPA	4		/* Port mode is OPA */
43 
44 #define OPA_PORT_PACKET_FORMAT_NOP	0		/* No change */
45 #define OPA_PORT_PACKET_FORMAT_8B	1		/* Format 8B */
46 #define OPA_PORT_PACKET_FORMAT_9B	2		/* Format 9B */
47 #define OPA_PORT_PACKET_FORMAT_10B	4		/* Format 10B */
48 #define OPA_PORT_PACKET_FORMAT_16B	8		/* Format 16B */
49 
50 #define OPA_PORT_LTP_CRC_MODE_NONE	0	/* No change */
51 #define OPA_PORT_LTP_CRC_MODE_14	1	/* 14-bit LTP CRC mode (optional) */
52 #define OPA_PORT_LTP_CRC_MODE_16	2	/* 16-bit LTP CRC mode */
53 #define OPA_PORT_LTP_CRC_MODE_48	4	/* 48-bit LTP CRC mode (optional) */
54 #define OPA_PORT_LTP_CRC_MODE_PER_LANE  8	/* 12/16-bit per lane LTP CRC mode */
55 
56 /* Link Down / Neighbor Link Down Reason; indicated as follows: */
57 #define OPA_LINKDOWN_REASON_NONE				0	/* No specified reason */
58 #define OPA_LINKDOWN_REASON_RCV_ERROR_0				1
59 #define OPA_LINKDOWN_REASON_BAD_PKT_LEN				2
60 #define OPA_LINKDOWN_REASON_PKT_TOO_LONG			3
61 #define OPA_LINKDOWN_REASON_PKT_TOO_SHORT			4
62 #define OPA_LINKDOWN_REASON_BAD_SLID				5
63 #define OPA_LINKDOWN_REASON_BAD_DLID				6
64 #define OPA_LINKDOWN_REASON_BAD_L2				7
65 #define OPA_LINKDOWN_REASON_BAD_SC				8
66 #define OPA_LINKDOWN_REASON_RCV_ERROR_8				9
67 #define OPA_LINKDOWN_REASON_BAD_MID_TAIL			10
68 #define OPA_LINKDOWN_REASON_RCV_ERROR_10			11
69 #define OPA_LINKDOWN_REASON_PREEMPT_ERROR			12
70 #define OPA_LINKDOWN_REASON_PREEMPT_VL15			13
71 #define OPA_LINKDOWN_REASON_BAD_VL_MARKER			14
72 #define OPA_LINKDOWN_REASON_RCV_ERROR_14			15
73 #define OPA_LINKDOWN_REASON_RCV_ERROR_15			16
74 #define OPA_LINKDOWN_REASON_BAD_HEAD_DIST			17
75 #define OPA_LINKDOWN_REASON_BAD_TAIL_DIST			18
76 #define OPA_LINKDOWN_REASON_BAD_CTRL_DIST			19
77 #define OPA_LINKDOWN_REASON_BAD_CREDIT_ACK			20
78 #define OPA_LINKDOWN_REASON_UNSUPPORTED_VL_MARKER		21
79 #define OPA_LINKDOWN_REASON_BAD_PREEMPT				22
80 #define OPA_LINKDOWN_REASON_BAD_CONTROL_FLIT			23
81 #define OPA_LINKDOWN_REASON_EXCEED_MULTICAST_LIMIT		24
82 #define OPA_LINKDOWN_REASON_RCV_ERROR_24			25
83 #define OPA_LINKDOWN_REASON_RCV_ERROR_25			26
84 #define OPA_LINKDOWN_REASON_RCV_ERROR_26			27
85 #define OPA_LINKDOWN_REASON_RCV_ERROR_27			28
86 #define OPA_LINKDOWN_REASON_RCV_ERROR_28			29
87 #define OPA_LINKDOWN_REASON_RCV_ERROR_29			30
88 #define OPA_LINKDOWN_REASON_RCV_ERROR_30			31
89 #define OPA_LINKDOWN_REASON_EXCESSIVE_BUFFER_OVERRUN		32
90 #define OPA_LINKDOWN_REASON_UNKNOWN				33
91 /* 34 -reserved */
92 #define OPA_LINKDOWN_REASON_REBOOT				35
93 #define OPA_LINKDOWN_REASON_NEIGHBOR_UNKNOWN			36
94 /* 37-38 reserved */
95 #define OPA_LINKDOWN_REASON_FM_BOUNCE				39
96 #define OPA_LINKDOWN_REASON_SPEED_POLICY			40
97 #define OPA_LINKDOWN_REASON_WIDTH_POLICY			41
98 /* 42-48 reserved */
99 #define OPA_LINKDOWN_REASON_DISCONNECTED			49
100 #define OPA_LINKDOWN_REASONLOCAL_MEDIA_NOT_INSTALLED		50
101 #define OPA_LINKDOWN_REASON_NOT_INSTALLED			51
102 #define OPA_LINKDOWN_REASON_CHASSIS_CONFIG			52
103 /* 53 reserved */
104 #define OPA_LINKDOWN_REASON_END_TO_END_NOT_INSTALLED		54
105 /* 55 reserved */
106 #define OPA_LINKDOWN_REASON_POWER_POLICY			56
107 #define OPA_LINKDOWN_REASON_LINKSPEED_POLICY			57
108 #define OPA_LINKDOWN_REASON_LINKWIDTH_POLICY			58
109 /* 59 reserved */
110 #define OPA_LINKDOWN_REASON_SWITCH_MGMT				60
111 #define OPA_LINKDOWN_REASON_SMA_DISABLED			61
112 /* 62 reserved */
113 #define OPA_LINKDOWN_REASON_TRANSIENT				63
114 /* 64-255 reserved */
115 
116 /* OPA Link Init reason; indicated as follows: */
117 /* 3-7; 11-15 reserved; 8-15 cleared on Polling->LinkUp */
118 #define OPA_LINKINIT_REASON_NOP                 0
119 #define OPA_LINKINIT_REASON_LINKUP              (1 << 4)
120 #define OPA_LINKINIT_REASON_FLAPPING            (2 << 4)
121 #define OPA_LINKINIT_REASON_CLEAR               (8 << 4)
122 #define OPA_LINKINIT_OUTSIDE_POLICY             (8 << 4)
123 #define OPA_LINKINIT_QUARANTINED                (9 << 4)
124 #define OPA_LINKINIT_INSUFIC_CAPABILITY         (10 << 4)
125 
126 #define OPA_LINK_SPEED_NOP              0x0000  /*  Reserved (1-5 Gbps) */
127 #define OPA_LINK_SPEED_12_5G            0x0001  /*  12.5 Gbps */
128 #define OPA_LINK_SPEED_25G              0x0002  /*  25.78125?  Gbps (EDR) */
129 
130 #define OPA_LINK_WIDTH_1X            0x0001
131 #define OPA_LINK_WIDTH_2X            0x0002
132 #define OPA_LINK_WIDTH_3X            0x0004
133 #define OPA_LINK_WIDTH_4X            0x0008
134 
135 #define OPA_CAP_MASK3_IsSnoopSupported            (1 << 7)
136 #define OPA_CAP_MASK3_IsAsyncSC2VLSupported       (1 << 6)
137 #define OPA_CAP_MASK3_IsAddrRangeConfigSupported  (1 << 5)
138 #define OPA_CAP_MASK3_IsPassThroughSupported      (1 << 4)
139 #define OPA_CAP_MASK3_IsSharedSpaceSupported      (1 << 3)
140 /* reserved (1 << 2) */
141 #define OPA_CAP_MASK3_IsVLMarkerSupported         (1 << 1)
142 #define OPA_CAP_MASK3_IsVLrSupported              (1 << 0)
143 
144 /**
145  * new MTU values
146  */
147 enum {
148 	OPA_MTU_8192  = 6,
149 	OPA_MTU_10240 = 7,
150 };
151 
152 enum {
153 	OPA_PORT_PHYS_CONF_DISCONNECTED = 0,
154 	OPA_PORT_PHYS_CONF_STANDARD     = 1,
155 	OPA_PORT_PHYS_CONF_FIXED        = 2,
156 	OPA_PORT_PHYS_CONF_VARIABLE     = 3,
157 	OPA_PORT_PHYS_CONF_SI_PHOTO     = 4
158 };
159 
160 enum port_info_field_masks {
161 	/* vl.cap */
162 	OPA_PI_MASK_VL_CAP                        = 0x1F,
163 	/* port_states.ledenable_offlinereason */
164 	OPA_PI_MASK_OFFLINE_REASON                = 0x0F,
165 	OPA_PI_MASK_LED_ENABLE                    = 0x40,
166 	/* port_states.unsleepstate_downdefstate */
167 	OPA_PI_MASK_UNSLEEP_STATE                 = 0xF0,
168 	OPA_PI_MASK_DOWNDEF_STATE                 = 0x0F,
169 	/* port_states.portphysstate_portstate */
170 	OPA_PI_MASK_PORT_PHYSICAL_STATE           = 0xF0,
171 	OPA_PI_MASK_PORT_STATE                    = 0x0F,
172 	/* port_phys_conf */
173 	OPA_PI_MASK_PORT_PHYSICAL_CONF            = 0x0F,
174 	/* collectivemask_multicastmask */
175 	OPA_PI_MASK_COLLECT_MASK                  = 0x38,
176 	OPA_PI_MASK_MULTICAST_MASK                = 0x07,
177 	/* mkeyprotect_lmc */
178 	OPA_PI_MASK_MKEY_PROT_BIT                 = 0xC0,
179 	OPA_PI_MASK_LMC                           = 0x0F,
180 	/* smsl */
181 	OPA_PI_MASK_SMSL                          = 0x1F,
182 	/* partenforce_filterraw */
183 	/* Filter Raw In/Out bits 1 and 2 were removed */
184 	OPA_PI_MASK_LINKINIT_REASON               = 0xF0,
185 	OPA_PI_MASK_PARTITION_ENFORCE_IN          = 0x08,
186 	OPA_PI_MASK_PARTITION_ENFORCE_OUT         = 0x04,
187 	/* operational_vls */
188 	OPA_PI_MASK_OPERATIONAL_VL                = 0x1F,
189 	/* sa_qp */
190 	OPA_PI_MASK_SA_QP                         = 0x00FFFFFF,
191 	/* sm_trap_qp */
192 	OPA_PI_MASK_SM_TRAP_QP                    = 0x00FFFFFF,
193 	/* localphy_overrun_errors */
194 	OPA_PI_MASK_LOCAL_PHY_ERRORS              = 0xF0,
195 	OPA_PI_MASK_OVERRUN_ERRORS                = 0x0F,
196 	/* clientrereg_subnettimeout */
197 	OPA_PI_MASK_CLIENT_REREGISTER             = 0x80,
198 	OPA_PI_MASK_SUBNET_TIMEOUT                = 0x1F,
199 	/* port_link_mode */
200 	OPA_PI_MASK_PORT_LINK_SUPPORTED           = (0x001F << 10),
201 	OPA_PI_MASK_PORT_LINK_ENABLED             = (0x001F <<  5),
202 	OPA_PI_MASK_PORT_LINK_ACTIVE              = (0x001F <<  0),
203 	/* port_link_crc_mode */
204 	OPA_PI_MASK_PORT_LINK_CRC_SUPPORTED       = 0x0F00,
205 	OPA_PI_MASK_PORT_LINK_CRC_ENABLED         = 0x00F0,
206 	OPA_PI_MASK_PORT_LINK_CRC_ACTIVE          = 0x000F,
207 	/* port_mode */
208 	OPA_PI_MASK_PORT_MODE_SECURITY_CHECK      = 0x0001,
209 	OPA_PI_MASK_PORT_MODE_16B_TRAP_QUERY      = 0x0002,
210 	OPA_PI_MASK_PORT_MODE_PKEY_CONVERT        = 0x0004,
211 	OPA_PI_MASK_PORT_MODE_SC2SC_MAPPING       = 0x0008,
212 	OPA_PI_MASK_PORT_MODE_VL_MARKER           = 0x0010,
213 	OPA_PI_MASK_PORT_PASS_THROUGH             = 0x0020,
214 	OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE          = 0x0040,
215 	/* flit_control.interleave */
216 	OPA_PI_MASK_INTERLEAVE_DIST_SUP           = (0x0003 << 12),
217 	OPA_PI_MASK_INTERLEAVE_DIST_ENABLE        = (0x0003 << 10),
218 	OPA_PI_MASK_INTERLEAVE_MAX_NEST_TX        = (0x001F <<  5),
219 	OPA_PI_MASK_INTERLEAVE_MAX_NEST_RX        = (0x001F <<  0),
220 
221 	/* port_error_action */
222 	OPA_PI_MASK_EX_BUFFER_OVERRUN                  = 0x80000000,
223 		/* 7 bits reserved */
224 	OPA_PI_MASK_FM_CFG_ERR_EXCEED_MULTICAST_LIMIT  = 0x00800000,
225 	OPA_PI_MASK_FM_CFG_BAD_CONTROL_FLIT            = 0x00400000,
226 	OPA_PI_MASK_FM_CFG_BAD_PREEMPT                 = 0x00200000,
227 	OPA_PI_MASK_FM_CFG_UNSUPPORTED_VL_MARKER       = 0x00100000,
228 	OPA_PI_MASK_FM_CFG_BAD_CRDT_ACK                = 0x00080000,
229 	OPA_PI_MASK_FM_CFG_BAD_CTRL_DIST               = 0x00040000,
230 	OPA_PI_MASK_FM_CFG_BAD_TAIL_DIST               = 0x00020000,
231 	OPA_PI_MASK_FM_CFG_BAD_HEAD_DIST               = 0x00010000,
232 		/* 2 bits reserved */
233 	OPA_PI_MASK_PORT_RCV_BAD_VL_MARKER             = 0x00002000,
234 	OPA_PI_MASK_PORT_RCV_PREEMPT_VL15              = 0x00001000,
235 	OPA_PI_MASK_PORT_RCV_PREEMPT_ERROR             = 0x00000800,
236 		/* 1 bit reserved */
237 	OPA_PI_MASK_PORT_RCV_BAD_MidTail               = 0x00000200,
238 		/* 1 bit reserved */
239 	OPA_PI_MASK_PORT_RCV_BAD_SC                    = 0x00000080,
240 	OPA_PI_MASK_PORT_RCV_BAD_L2                    = 0x00000040,
241 	OPA_PI_MASK_PORT_RCV_BAD_DLID                  = 0x00000020,
242 	OPA_PI_MASK_PORT_RCV_BAD_SLID                  = 0x00000010,
243 	OPA_PI_MASK_PORT_RCV_PKTLEN_TOOSHORT           = 0x00000008,
244 	OPA_PI_MASK_PORT_RCV_PKTLEN_TOOLONG            = 0x00000004,
245 	OPA_PI_MASK_PORT_RCV_BAD_PKTLEN                = 0x00000002,
246 	OPA_PI_MASK_PORT_RCV_BAD_LT                    = 0x00000001,
247 
248 	/* pass_through.res_drctl */
249 	OPA_PI_MASK_PASS_THROUGH_DR_CONTROL       = 0x01,
250 
251 	/* buffer_units */
252 	OPA_PI_MASK_BUF_UNIT_VL15_INIT            = (0x00000FFF  << 11),
253 	OPA_PI_MASK_BUF_UNIT_VL15_CREDIT_RATE     = (0x0000001F  <<  6),
254 	OPA_PI_MASK_BUF_UNIT_CREDIT_ACK           = (0x00000003  <<  3),
255 	OPA_PI_MASK_BUF_UNIT_BUF_ALLOC            = (0x00000003  <<  0),
256 
257 	/* neigh_mtu.pvlx_to_mtu */
258 	OPA_PI_MASK_NEIGH_MTU_PVL0                = 0xF0,
259 	OPA_PI_MASK_NEIGH_MTU_PVL1                = 0x0F,
260 
261 	/* neigh_mtu.vlstall_hoq_life */
262 	OPA_PI_MASK_VL_STALL                      = (0x03 << 5),
263 	OPA_PI_MASK_HOQ_LIFE                      = (0x1F << 0),
264 
265 	/* port_neigh_mode */
266 	OPA_PI_MASK_NEIGH_MGMT_ALLOWED            = (0x01 << 3),
267 	OPA_PI_MASK_NEIGH_FW_AUTH_BYPASS          = (0x01 << 2),
268 	OPA_PI_MASK_NEIGH_NODE_TYPE               = (0x03 << 0),
269 
270 	/* resptime_value */
271 	OPA_PI_MASK_RESPONSE_TIME_VALUE           = 0x1F,
272 
273 	/* mtucap */
274 	OPA_PI_MASK_MTU_CAP                       = 0x0F,
275 };
276 
277 #if USE_PI_LED_ENABLE
278 struct opa_port_states {
279 	u8     reserved;
280 	u8     ledenable_offlinereason;   /* 1 res, 1 bit, 6 bits */
281 	u8     reserved2;
282 	u8     portphysstate_portstate;   /* 4 bits, 4 bits */
283 };
284 #define PI_LED_ENABLE_SUP 1
285 #else
286 struct opa_port_states {
287 	u8     reserved;
288 	u8     offline_reason;            /* 2 res, 6 bits */
289 	u8     reserved2;
290 	u8     portphysstate_portstate;   /* 4 bits, 4 bits */
291 };
292 #define PI_LED_ENABLE_SUP 0
293 #endif
294 
295 struct opa_port_state_info {
296 	struct opa_port_states port_states;
297 	__be16 link_width_downgrade_tx_active;
298 	__be16 link_width_downgrade_rx_active;
299 };
300 
301 struct opa_port_info {
302 	__be32 lid;
303 	__be32 flow_control_mask;
304 
305 	struct {
306 		u8     res;                       /* was inittype */
307 		u8     cap;                       /* 3 res, 5 bits */
308 		__be16 high_limit;
309 		__be16 preempt_limit;
310 		u8     arb_high_cap;
311 		u8     arb_low_cap;
312 	} vl;
313 
314 	struct opa_port_states  port_states;
315 	u8     port_phys_conf;                    /* 4 res, 4 bits */
316 	u8     collectivemask_multicastmask;      /* 2 res, 3, 3 */
317 	u8     mkeyprotect_lmc;                   /* 2 bits, 2 res, 4 bits */
318 	u8     smsl;                              /* 3 res, 5 bits */
319 
320 	u8     partenforce_filterraw;             /* bit fields */
321 	u8     operational_vls;                    /* 3 res, 5 bits */
322 	__be16 pkey_8b;
323 	__be16 pkey_10b;
324 	__be16 mkey_violations;
325 
326 	__be16 pkey_violations;
327 	__be16 qkey_violations;
328 	__be32 sm_trap_qp;                        /* 8 bits, 24 bits */
329 
330 	__be32 sa_qp;                             /* 8 bits, 24 bits */
331 	u8     neigh_port_num;
332 	u8     link_down_reason;
333 	u8     neigh_link_down_reason;
334 	u8     clientrereg_subnettimeout;	  /* 1 bit, 2 bits, 5 */
335 
336 	struct {
337 		__be16 supported;
338 		__be16 enabled;
339 		__be16 active;
340 	} link_speed;
341 	struct {
342 		__be16 supported;
343 		__be16 enabled;
344 		__be16 active;
345 	} link_width;
346 	struct {
347 		__be16 supported;
348 		__be16 enabled;
349 		__be16 tx_active;
350 		__be16 rx_active;
351 	} link_width_downgrade;
352 	__be16 port_link_mode;                  /* 1 res, 5 bits, 5 bits, 5 bits */
353 	__be16 port_ltp_crc_mode;               /* 4 res, 4 bits, 4 bits, 4 bits */
354 
355 	__be16 port_mode;                       /* 9 res, bit fields */
356 	struct {
357 		__be16 supported;
358 		__be16 enabled;
359 	} port_packet_format;
360 	struct {
361 		__be16 interleave;  /* 2 res, 2,2,5,5 */
362 		struct {
363 			__be16 min_initial;
364 			__be16 min_tail;
365 			u8     large_pkt_limit;
366 			u8     small_pkt_limit;
367 			u8     max_small_pkt_limit;
368 			u8     preemption_limit;
369 		} preemption;
370 	} flit_control;
371 
372 	__be32 reserved4;
373 	__be32 port_error_action; /* bit field */
374 
375 	struct {
376 		u8 egress_port;
377 		u8 res_drctl;                    /* 7 res, 1 */
378 	} pass_through;
379 	__be16 mkey_lease_period;
380 	__be32 buffer_units;                     /* 9 res, 12, 5, 3, 3 */
381 
382 	__be32 reserved5;
383 	__be32 sm_lid;
384 
385 	__be64 mkey;
386 
387 	__be64 subnet_prefix;
388 
389 	struct {
390 		u8 pvlx_to_mtu[OPA_MAX_VLS/2]; /* 4 bits, 4 bits */
391 	} neigh_mtu;
392 
393 	struct {
394 		u8 vlstall_hoqlife;             /* 3 bits, 5 bits */
395 	} xmit_q[OPA_MAX_VLS];
396 
397 	struct {
398 		u8 addr[16];
399 	} ipaddr_ipv6;
400 
401 	struct {
402 		u8 addr[4];
403 	} ipaddr_ipv4;
404 
405 	u32    reserved6;
406 	u32    reserved7;
407 	u32    reserved8;
408 
409 	__be64 neigh_node_guid;
410 
411 	__be32 ib_cap_mask;
412 	__be16 reserved9;                    /* was ib_cap_mask2 */
413 	__be16 opa_cap_mask;
414 
415 	__be32 reserved10;                   /* was link_roundtrip_latency */
416 	__be16 overall_buffer_space;
417 	__be16 reserved11;                   /* was max_credit_hint */
418 
419 	__be16 diag_code;
420 	struct {
421 		u8 buffer;
422 		u8 wire;
423 	} replay_depth;
424 	u8     port_neigh_mode;
425 	u8     mtucap;                          /* 4 res, 4 bits */
426 
427 	u8     resptimevalue;		        /* 3 res, 5 bits */
428 	u8     local_port_num;
429 	u8     reserved12;
430 	u8     reserved13;                       /* was guid_cap */
431 } __attribute__ ((packed));
432 
433 #endif /* OPA_PORT_INFO_H */
434