1/* SPDX-License-Identifier: GPL-2.0 OR Linux-OpenIB */
2/*
3 * Copyright (c) 2014-2020 Intel Corporation.  All rights reserved.
4 */
5
6#ifndef OPA_PORT_INFO_H
7#define OPA_PORT_INFO_H
8
9#include <rdma/opa_smi.h>
10
11#define OPA_PORT_LINK_MODE_NOP	0		/* No change */
12#define OPA_PORT_LINK_MODE_OPA	4		/* Port mode is OPA */
13
14#define OPA_PORT_PACKET_FORMAT_NOP	0		/* No change */
15#define OPA_PORT_PACKET_FORMAT_8B	1		/* Format 8B */
16#define OPA_PORT_PACKET_FORMAT_9B	2		/* Format 9B */
17#define OPA_PORT_PACKET_FORMAT_10B	4		/* Format 10B */
18#define OPA_PORT_PACKET_FORMAT_16B	8		/* Format 16B */
19
20#define OPA_PORT_LTP_CRC_MODE_NONE	0	/* No change */
21#define OPA_PORT_LTP_CRC_MODE_14	1	/* 14-bit LTP CRC mode (optional) */
22#define OPA_PORT_LTP_CRC_MODE_16	2	/* 16-bit LTP CRC mode */
23#define OPA_PORT_LTP_CRC_MODE_48	4	/* 48-bit LTP CRC mode (optional) */
24#define OPA_PORT_LTP_CRC_MODE_PER_LANE  8	/* 12/16-bit per lane LTP CRC mode */
25
26/* Link Down / Neighbor Link Down Reason; indicated as follows: */
27#define OPA_LINKDOWN_REASON_NONE				0	/* No specified reason */
28#define OPA_LINKDOWN_REASON_RCV_ERROR_0				1
29#define OPA_LINKDOWN_REASON_BAD_PKT_LEN				2
30#define OPA_LINKDOWN_REASON_PKT_TOO_LONG			3
31#define OPA_LINKDOWN_REASON_PKT_TOO_SHORT			4
32#define OPA_LINKDOWN_REASON_BAD_SLID				5
33#define OPA_LINKDOWN_REASON_BAD_DLID				6
34#define OPA_LINKDOWN_REASON_BAD_L2				7
35#define OPA_LINKDOWN_REASON_BAD_SC				8
36#define OPA_LINKDOWN_REASON_RCV_ERROR_8				9
37#define OPA_LINKDOWN_REASON_BAD_MID_TAIL			10
38#define OPA_LINKDOWN_REASON_RCV_ERROR_10			11
39#define OPA_LINKDOWN_REASON_PREEMPT_ERROR			12
40#define OPA_LINKDOWN_REASON_PREEMPT_VL15			13
41#define OPA_LINKDOWN_REASON_BAD_VL_MARKER			14
42#define OPA_LINKDOWN_REASON_RCV_ERROR_14			15
43#define OPA_LINKDOWN_REASON_RCV_ERROR_15			16
44#define OPA_LINKDOWN_REASON_BAD_HEAD_DIST			17
45#define OPA_LINKDOWN_REASON_BAD_TAIL_DIST			18
46#define OPA_LINKDOWN_REASON_BAD_CTRL_DIST			19
47#define OPA_LINKDOWN_REASON_BAD_CREDIT_ACK			20
48#define OPA_LINKDOWN_REASON_UNSUPPORTED_VL_MARKER		21
49#define OPA_LINKDOWN_REASON_BAD_PREEMPT				22
50#define OPA_LINKDOWN_REASON_BAD_CONTROL_FLIT			23
51#define OPA_LINKDOWN_REASON_EXCEED_MULTICAST_LIMIT		24
52#define OPA_LINKDOWN_REASON_RCV_ERROR_24			25
53#define OPA_LINKDOWN_REASON_RCV_ERROR_25			26
54#define OPA_LINKDOWN_REASON_RCV_ERROR_26			27
55#define OPA_LINKDOWN_REASON_RCV_ERROR_27			28
56#define OPA_LINKDOWN_REASON_RCV_ERROR_28			29
57#define OPA_LINKDOWN_REASON_RCV_ERROR_29			30
58#define OPA_LINKDOWN_REASON_RCV_ERROR_30			31
59#define OPA_LINKDOWN_REASON_EXCESSIVE_BUFFER_OVERRUN		32
60#define OPA_LINKDOWN_REASON_UNKNOWN				33
61/* 34 -reserved */
62#define OPA_LINKDOWN_REASON_REBOOT				35
63#define OPA_LINKDOWN_REASON_NEIGHBOR_UNKNOWN			36
64/* 37-38 reserved */
65#define OPA_LINKDOWN_REASON_FM_BOUNCE				39
66#define OPA_LINKDOWN_REASON_SPEED_POLICY			40
67#define OPA_LINKDOWN_REASON_WIDTH_POLICY			41
68/* 42-48 reserved */
69#define OPA_LINKDOWN_REASON_DISCONNECTED			49
70#define OPA_LINKDOWN_REASON_LOCAL_MEDIA_NOT_INSTALLED		50
71#define OPA_LINKDOWN_REASON_NOT_INSTALLED			51
72#define OPA_LINKDOWN_REASON_CHASSIS_CONFIG			52
73/* 53 reserved */
74#define OPA_LINKDOWN_REASON_END_TO_END_NOT_INSTALLED		54
75/* 55 reserved */
76#define OPA_LINKDOWN_REASON_POWER_POLICY			56
77#define OPA_LINKDOWN_REASON_LINKSPEED_POLICY			57
78#define OPA_LINKDOWN_REASON_LINKWIDTH_POLICY			58
79/* 59 reserved */
80#define OPA_LINKDOWN_REASON_SWITCH_MGMT				60
81#define OPA_LINKDOWN_REASON_SMA_DISABLED			61
82/* 62 reserved */
83#define OPA_LINKDOWN_REASON_TRANSIENT				63
84/* 64-255 reserved */
85
86/* OPA Link Init reason; indicated as follows: */
87/* 3-7; 11-15 reserved; 8-15 cleared on Polling->LinkUp */
88#define OPA_LINKINIT_REASON_NOP                 0
89#define OPA_LINKINIT_REASON_LINKUP              (1 << 4)
90#define OPA_LINKINIT_REASON_FLAPPING            (2 << 4)
91#define OPA_LINKINIT_REASON_CLEAR               (8 << 4)
92#define OPA_LINKINIT_OUTSIDE_POLICY             (8 << 4)
93#define OPA_LINKINIT_QUARANTINED                (9 << 4)
94#define OPA_LINKINIT_INSUFIC_CAPABILITY         (10 << 4)
95
96#define OPA_LINK_SPEED_NOP              0x0000  /*  Reserved (1-5 Gbps) */
97#define OPA_LINK_SPEED_12_5G            0x0001  /*  12.5 Gbps */
98#define OPA_LINK_SPEED_25G              0x0002  /*  25.78125?  Gbps (EDR) */
99
100#define OPA_LINK_WIDTH_1X            0x0001
101#define OPA_LINK_WIDTH_2X            0x0002
102#define OPA_LINK_WIDTH_3X            0x0004
103#define OPA_LINK_WIDTH_4X            0x0008
104
105#define OPA_CAP_MASK3_IsEthOnFabricSupported      (1 << 13)
106#define OPA_CAP_MASK3_IsSnoopSupported            (1 << 7)
107#define OPA_CAP_MASK3_IsAsyncSC2VLSupported       (1 << 6)
108#define OPA_CAP_MASK3_IsAddrRangeConfigSupported  (1 << 5)
109#define OPA_CAP_MASK3_IsPassThroughSupported      (1 << 4)
110#define OPA_CAP_MASK3_IsSharedSpaceSupported      (1 << 3)
111/* reserved (1 << 2) */
112#define OPA_CAP_MASK3_IsVLMarkerSupported         (1 << 1)
113#define OPA_CAP_MASK3_IsVLrSupported              (1 << 0)
114
115enum {
116	OPA_PORT_PHYS_CONF_DISCONNECTED = 0,
117	OPA_PORT_PHYS_CONF_STANDARD     = 1,
118	OPA_PORT_PHYS_CONF_FIXED        = 2,
119	OPA_PORT_PHYS_CONF_VARIABLE     = 3,
120	OPA_PORT_PHYS_CONF_SI_PHOTO     = 4
121};
122
123enum port_info_field_masks {
124	/* vl.cap */
125	OPA_PI_MASK_VL_CAP                        = 0x1F,
126	/* port_states.ledenable_offlinereason */
127	OPA_PI_MASK_OFFLINE_REASON                = 0x0F,
128	OPA_PI_MASK_LED_ENABLE                    = 0x40,
129	/* port_states.unsleepstate_downdefstate */
130	OPA_PI_MASK_UNSLEEP_STATE                 = 0xF0,
131	OPA_PI_MASK_DOWNDEF_STATE                 = 0x0F,
132	/* port_states.portphysstate_portstate */
133	OPA_PI_MASK_PORT_PHYSICAL_STATE           = 0xF0,
134	OPA_PI_MASK_PORT_STATE                    = 0x0F,
135	/* port_phys_conf */
136	OPA_PI_MASK_PORT_PHYSICAL_CONF            = 0x0F,
137	/* collectivemask_multicastmask */
138	OPA_PI_MASK_COLLECT_MASK                  = 0x38,
139	OPA_PI_MASK_MULTICAST_MASK                = 0x07,
140	/* mkeyprotect_lmc */
141	OPA_PI_MASK_MKEY_PROT_BIT                 = 0xC0,
142	OPA_PI_MASK_LMC                           = 0x0F,
143	/* smsl */
144	OPA_PI_MASK_SMSL                          = 0x1F,
145	/* partenforce_filterraw */
146	/* Filter Raw In/Out bits 1 and 2 were removed */
147	OPA_PI_MASK_LINKINIT_REASON               = 0xF0,
148	OPA_PI_MASK_PARTITION_ENFORCE_IN          = 0x08,
149	OPA_PI_MASK_PARTITION_ENFORCE_OUT         = 0x04,
150	/* operational_vls */
151	OPA_PI_MASK_OPERATIONAL_VL                = 0x1F,
152	/* sa_qp */
153	OPA_PI_MASK_SA_QP                         = 0x00FFFFFF,
154	/* sm_trap_qp */
155	OPA_PI_MASK_SM_TRAP_QP                    = 0x00FFFFFF,
156	/* localphy_overrun_errors */
157	OPA_PI_MASK_LOCAL_PHY_ERRORS              = 0xF0,
158	OPA_PI_MASK_OVERRUN_ERRORS                = 0x0F,
159	/* clientrereg_subnettimeout */
160	OPA_PI_MASK_CLIENT_REREGISTER             = 0x80,
161	OPA_PI_MASK_SUBNET_TIMEOUT                = 0x1F,
162	/* port_link_mode */
163	OPA_PI_MASK_PORT_LINK_SUPPORTED           = (0x001F << 10),
164	OPA_PI_MASK_PORT_LINK_ENABLED             = (0x001F <<  5),
165	OPA_PI_MASK_PORT_LINK_ACTIVE              = (0x001F <<  0),
166	/* port_link_crc_mode */
167	OPA_PI_MASK_PORT_LINK_CRC_SUPPORTED       = 0x0F00,
168	OPA_PI_MASK_PORT_LINK_CRC_ENABLED         = 0x00F0,
169	OPA_PI_MASK_PORT_LINK_CRC_ACTIVE          = 0x000F,
170	/* port_mode */
171	OPA_PI_MASK_PORT_MODE_SECURITY_CHECK      = 0x0001,
172	OPA_PI_MASK_PORT_MODE_16B_TRAP_QUERY      = 0x0002,
173	OPA_PI_MASK_PORT_MODE_PKEY_CONVERT        = 0x0004,
174	OPA_PI_MASK_PORT_MODE_SC2SC_MAPPING       = 0x0008,
175	OPA_PI_MASK_PORT_MODE_VL_MARKER           = 0x0010,
176	OPA_PI_MASK_PORT_PASS_THROUGH             = 0x0020,
177	OPA_PI_MASK_PORT_ACTIVE_OPTOMIZE          = 0x0040,
178	/* flit_control.interleave */
179	OPA_PI_MASK_INTERLEAVE_DIST_SUP           = (0x0003 << 12),
180	OPA_PI_MASK_INTERLEAVE_DIST_ENABLE        = (0x0003 << 10),
181	OPA_PI_MASK_INTERLEAVE_MAX_NEST_TX        = (0x001F <<  5),
182	OPA_PI_MASK_INTERLEAVE_MAX_NEST_RX        = (0x001F <<  0),
183
184	/* port_error_action */
185	OPA_PI_MASK_EX_BUFFER_OVERRUN                  = 0x80000000,
186		/* 7 bits reserved */
187	OPA_PI_MASK_FM_CFG_ERR_EXCEED_MULTICAST_LIMIT  = 0x00800000,
188	OPA_PI_MASK_FM_CFG_BAD_CONTROL_FLIT            = 0x00400000,
189	OPA_PI_MASK_FM_CFG_BAD_PREEMPT                 = 0x00200000,
190	OPA_PI_MASK_FM_CFG_UNSUPPORTED_VL_MARKER       = 0x00100000,
191	OPA_PI_MASK_FM_CFG_BAD_CRDT_ACK                = 0x00080000,
192	OPA_PI_MASK_FM_CFG_BAD_CTRL_DIST               = 0x00040000,
193	OPA_PI_MASK_FM_CFG_BAD_TAIL_DIST               = 0x00020000,
194	OPA_PI_MASK_FM_CFG_BAD_HEAD_DIST               = 0x00010000,
195		/* 2 bits reserved */
196	OPA_PI_MASK_PORT_RCV_BAD_VL_MARKER             = 0x00002000,
197	OPA_PI_MASK_PORT_RCV_PREEMPT_VL15              = 0x00001000,
198	OPA_PI_MASK_PORT_RCV_PREEMPT_ERROR             = 0x00000800,
199		/* 1 bit reserved */
200	OPA_PI_MASK_PORT_RCV_BAD_MidTail               = 0x00000200,
201		/* 1 bit reserved */
202	OPA_PI_MASK_PORT_RCV_BAD_SC                    = 0x00000080,
203	OPA_PI_MASK_PORT_RCV_BAD_L2                    = 0x00000040,
204	OPA_PI_MASK_PORT_RCV_BAD_DLID                  = 0x00000020,
205	OPA_PI_MASK_PORT_RCV_BAD_SLID                  = 0x00000010,
206	OPA_PI_MASK_PORT_RCV_PKTLEN_TOOSHORT           = 0x00000008,
207	OPA_PI_MASK_PORT_RCV_PKTLEN_TOOLONG            = 0x00000004,
208	OPA_PI_MASK_PORT_RCV_BAD_PKTLEN                = 0x00000002,
209	OPA_PI_MASK_PORT_RCV_BAD_LT                    = 0x00000001,
210
211	/* pass_through.res_drctl */
212	OPA_PI_MASK_PASS_THROUGH_DR_CONTROL       = 0x01,
213
214	/* buffer_units */
215	OPA_PI_MASK_BUF_UNIT_VL15_INIT            = (0x00000FFF  << 11),
216	OPA_PI_MASK_BUF_UNIT_VL15_CREDIT_RATE     = (0x0000001F  <<  6),
217	OPA_PI_MASK_BUF_UNIT_CREDIT_ACK           = (0x00000003  <<  3),
218	OPA_PI_MASK_BUF_UNIT_BUF_ALLOC            = (0x00000003  <<  0),
219
220	/* neigh_mtu.pvlx_to_mtu */
221	OPA_PI_MASK_NEIGH_MTU_PVL0                = 0xF0,
222	OPA_PI_MASK_NEIGH_MTU_PVL1                = 0x0F,
223
224	/* neigh_mtu.vlstall_hoq_life */
225	OPA_PI_MASK_VL_STALL                      = (0x03 << 5),
226	OPA_PI_MASK_HOQ_LIFE                      = (0x1F << 0),
227
228	/* port_neigh_mode */
229	OPA_PI_MASK_NEIGH_MGMT_ALLOWED            = (0x01 << 3),
230	OPA_PI_MASK_NEIGH_FW_AUTH_BYPASS          = (0x01 << 2),
231	OPA_PI_MASK_NEIGH_NODE_TYPE               = (0x03 << 0),
232
233	/* resptime_value */
234	OPA_PI_MASK_RESPONSE_TIME_VALUE           = 0x1F,
235
236	/* mtucap */
237	OPA_PI_MASK_MTU_CAP                       = 0x0F,
238};
239
240struct opa_port_states {
241	u8     reserved;
242	u8     ledenable_offlinereason;   /* 1 res, 1 bit, 6 bits */
243	u8     reserved2;
244	u8     portphysstate_portstate;   /* 4 bits, 4 bits */
245};
246
247struct opa_port_state_info {
248	struct opa_port_states port_states;
249	__be16 link_width_downgrade_tx_active;
250	__be16 link_width_downgrade_rx_active;
251};
252
253struct opa_port_info {
254	__be32 lid;
255	__be32 flow_control_mask;
256
257	struct {
258		u8     res;                       /* was inittype */
259		u8     cap;                       /* 3 res, 5 bits */
260		__be16 high_limit;
261		__be16 preempt_limit;
262		u8     arb_high_cap;
263		u8     arb_low_cap;
264	} vl;
265
266	struct opa_port_states  port_states;
267	u8     port_phys_conf;                    /* 4 res, 4 bits */
268	u8     collectivemask_multicastmask;      /* 2 res, 3, 3 */
269	u8     mkeyprotect_lmc;                   /* 2 bits, 2 res, 4 bits */
270	u8     smsl;                              /* 3 res, 5 bits */
271
272	u8     partenforce_filterraw;             /* bit fields */
273	u8     operational_vls;                    /* 3 res, 5 bits */
274	__be16 pkey_8b;
275	__be16 pkey_10b;
276	__be16 mkey_violations;
277
278	__be16 pkey_violations;
279	__be16 qkey_violations;
280	__be32 sm_trap_qp;                        /* 8 bits, 24 bits */
281
282	__be32 sa_qp;                             /* 8 bits, 24 bits */
283	u8     neigh_port_num;
284	u8     link_down_reason;
285	u8     neigh_link_down_reason;
286	u8     clientrereg_subnettimeout;	  /* 1 bit, 2 bits, 5 */
287
288	struct {
289		__be16 supported;
290		__be16 enabled;
291		__be16 active;
292	} link_speed;
293	struct {
294		__be16 supported;
295		__be16 enabled;
296		__be16 active;
297	} link_width;
298	struct {
299		__be16 supported;
300		__be16 enabled;
301		__be16 tx_active;
302		__be16 rx_active;
303	} link_width_downgrade;
304	__be16 port_link_mode;                  /* 1 res, 5 bits, 5 bits, 5 bits */
305	__be16 port_ltp_crc_mode;               /* 4 res, 4 bits, 4 bits, 4 bits */
306
307	__be16 port_mode;                       /* 9 res, bit fields */
308	struct {
309		__be16 supported;
310		__be16 enabled;
311	} port_packet_format;
312	struct {
313		__be16 interleave;  /* 2 res, 2,2,5,5 */
314		struct {
315			__be16 min_initial;
316			__be16 min_tail;
317			u8     large_pkt_limit;
318			u8     small_pkt_limit;
319			u8     max_small_pkt_limit;
320			u8     preemption_limit;
321		} preemption;
322	} flit_control;
323
324	__be32 reserved4;
325	__be32 port_error_action; /* bit field */
326
327	struct {
328		u8 egress_port;
329		u8 res_drctl;                    /* 7 res, 1 */
330	} pass_through;
331	__be16 mkey_lease_period;
332	__be32 buffer_units;                     /* 9 res, 12, 5, 3, 3 */
333
334	__be32 reserved5;
335	__be32 sm_lid;
336
337	__be64 mkey;
338
339	__be64 subnet_prefix;
340
341	struct {
342		u8 pvlx_to_mtu[OPA_MAX_VLS/2]; /* 4 bits, 4 bits */
343	} neigh_mtu;
344
345	struct {
346		u8 vlstall_hoqlife;             /* 3 bits, 5 bits */
347	} xmit_q[OPA_MAX_VLS];
348
349	struct {
350		u8 addr[16];
351	} ipaddr_ipv6;
352
353	struct {
354		u8 addr[4];
355	} ipaddr_ipv4;
356
357	u32    reserved6;
358	u32    reserved7;
359	u32    reserved8;
360
361	__be64 neigh_node_guid;
362
363	__be32 ib_cap_mask;
364	__be16 reserved9;                    /* was ib_cap_mask2 */
365	__be16 opa_cap_mask;
366
367	__be32 reserved10;                   /* was link_roundtrip_latency */
368	__be16 overall_buffer_space;
369	__be16 reserved11;                   /* was max_credit_hint */
370
371	__be16 diag_code;
372	struct {
373		u8 buffer;
374		u8 wire;
375	} replay_depth;
376	u8     port_neigh_mode;
377	u8     mtucap;                          /* 4 res, 4 bits */
378
379	u8     resptimevalue;		        /* 3 res, 5 bits */
380	u8     local_port_num;
381	u8     reserved12;
382	u8     reserved13;                       /* was guid_cap */
383} __packed;
384
385#endif /* OPA_PORT_INFO_H */
386