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  
115  enum {
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  
123  enum 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  
240  struct 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  
247  struct 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  
253  struct 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