1 /*
2  * Copyright (c) 2006, 2007, 2008, 2009, 2010 QLogic Corporation.
3  * All rights reserved.
4  * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
5  *
6  * This software is available to you under a choice of one of two
7  * licenses.  You may choose to be licensed under the terms of the GNU
8  * General Public License (GPL) Version 2, available from the file
9  * COPYING in the main directory of this source tree, or the
10  * OpenIB.org BSD license below:
11  *
12  *     Redistribution and use in source and binary forms, with or
13  *     without modification, are permitted provided that the following
14  *     conditions are met:
15  *
16  *      - Redistributions of source code must retain the above
17  *        copyright notice, this list of conditions and the following
18  *        disclaimer.
19  *
20  *      - Redistributions in binary form must reproduce the above
21  *        copyright notice, this list of conditions and the following
22  *        disclaimer in the documentation and/or other materials
23  *        provided with the distribution.
24  *
25  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
29  * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
30  * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
31  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
32  * SOFTWARE.
33  */
34 
35 #define IB_SMP_UNSUP_VERSION    cpu_to_be16(0x0004)
36 #define IB_SMP_UNSUP_METHOD     cpu_to_be16(0x0008)
37 #define IB_SMP_UNSUP_METH_ATTR  cpu_to_be16(0x000C)
38 #define IB_SMP_INVALID_FIELD    cpu_to_be16(0x001C)
39 
40 struct ib_node_info {
41 	u8 base_version;
42 	u8 class_version;
43 	u8 node_type;
44 	u8 num_ports;
45 	__be64 sys_guid;
46 	__be64 node_guid;
47 	__be64 port_guid;
48 	__be16 partition_cap;
49 	__be16 device_id;
50 	__be32 revision;
51 	u8 local_port_num;
52 	u8 vendor_id[3];
53 } __attribute__ ((packed));
54 
55 struct ib_mad_notice_attr {
56 	u8 generic_type;
57 	u8 prod_type_msb;
58 	__be16 prod_type_lsb;
59 	__be16 trap_num;
60 	__be16 issuer_lid;
61 	__be16 toggle_count;
62 
63 	union {
64 		struct {
65 			u8	details[54];
66 		} raw_data;
67 
68 		struct {
69 			__be16	reserved;
70 			__be16	lid;		/* where violation happened */
71 			u8	port_num;	/* where violation happened */
72 		} __attribute__ ((packed)) ntc_129_131;
73 
74 		struct {
75 			__be16	reserved;
76 			__be16	lid;		/* LID where change occurred */
77 			u8	reserved2;
78 			u8	local_changes;	/* low bit - local changes */
79 			__be32	new_cap_mask;	/* new capability mask */
80 			u8	reserved3;
81 			u8	change_flags;	/* low 3 bits only */
82 		} __attribute__ ((packed)) ntc_144;
83 
84 		struct {
85 			__be16	reserved;
86 			__be16	lid;		/* lid where sys guid changed */
87 			__be16	reserved2;
88 			__be64	new_sys_guid;
89 		} __attribute__ ((packed)) ntc_145;
90 
91 		struct {
92 			__be16	reserved;
93 			__be16	lid;
94 			__be16	dr_slid;
95 			u8	method;
96 			u8	reserved2;
97 			__be16	attr_id;
98 			__be32	attr_mod;
99 			__be64	mkey;
100 			u8	reserved3;
101 			u8	dr_trunc_hop;
102 			u8	dr_rtn_path[30];
103 		} __attribute__ ((packed)) ntc_256;
104 
105 		struct {
106 			__be16		reserved;
107 			__be16		lid1;
108 			__be16		lid2;
109 			__be32		key;
110 			__be32		sl_qp1;	/* SL: high 4 bits */
111 			__be32		qp2;	/* high 8 bits reserved */
112 			union ib_gid	gid1;
113 			union ib_gid	gid2;
114 		} __attribute__ ((packed)) ntc_257_258;
115 
116 	} details;
117 };
118 
119 /*
120  * Generic trap/notice types
121  */
122 #define IB_NOTICE_TYPE_FATAL	0x80
123 #define IB_NOTICE_TYPE_URGENT	0x81
124 #define IB_NOTICE_TYPE_SECURITY	0x82
125 #define IB_NOTICE_TYPE_SM	0x83
126 #define IB_NOTICE_TYPE_INFO	0x84
127 
128 /*
129  * Generic trap/notice producers
130  */
131 #define IB_NOTICE_PROD_CA		cpu_to_be16(1)
132 #define IB_NOTICE_PROD_SWITCH		cpu_to_be16(2)
133 #define IB_NOTICE_PROD_ROUTER		cpu_to_be16(3)
134 #define IB_NOTICE_PROD_CLASS_MGR	cpu_to_be16(4)
135 
136 /*
137  * Generic trap/notice numbers
138  */
139 #define IB_NOTICE_TRAP_LLI_THRESH	cpu_to_be16(129)
140 #define IB_NOTICE_TRAP_EBO_THRESH	cpu_to_be16(130)
141 #define IB_NOTICE_TRAP_FLOW_UPDATE	cpu_to_be16(131)
142 #define IB_NOTICE_TRAP_CAP_MASK_CHG	cpu_to_be16(144)
143 #define IB_NOTICE_TRAP_SYS_GUID_CHG	cpu_to_be16(145)
144 #define IB_NOTICE_TRAP_BAD_MKEY		cpu_to_be16(256)
145 #define IB_NOTICE_TRAP_BAD_PKEY		cpu_to_be16(257)
146 #define IB_NOTICE_TRAP_BAD_QKEY		cpu_to_be16(258)
147 
148 /*
149  * Repress trap/notice flags
150  */
151 #define IB_NOTICE_REPRESS_LLI_THRESH	(1 << 0)
152 #define IB_NOTICE_REPRESS_EBO_THRESH	(1 << 1)
153 #define IB_NOTICE_REPRESS_FLOW_UPDATE	(1 << 2)
154 #define IB_NOTICE_REPRESS_CAP_MASK_CHG	(1 << 3)
155 #define IB_NOTICE_REPRESS_SYS_GUID_CHG	(1 << 4)
156 #define IB_NOTICE_REPRESS_BAD_MKEY	(1 << 5)
157 #define IB_NOTICE_REPRESS_BAD_PKEY	(1 << 6)
158 #define IB_NOTICE_REPRESS_BAD_QKEY	(1 << 7)
159 
160 /*
161  * Generic trap/notice other local changes flags (trap 144).
162  */
163 #define IB_NOTICE_TRAP_LSE_CHG		0x04	/* Link Speed Enable changed */
164 #define IB_NOTICE_TRAP_LWE_CHG		0x02	/* Link Width Enable changed */
165 #define IB_NOTICE_TRAP_NODE_DESC_CHG	0x01
166 
167 /*
168  * Generic trap/notice M_Key volation flags in dr_trunc_hop (trap 256).
169  */
170 #define IB_NOTICE_TRAP_DR_NOTICE	0x80
171 #define IB_NOTICE_TRAP_DR_TRUNC		0x40
172 
173 struct ib_vl_weight_elem {
174 	u8      vl;     /* Only low 4 bits, upper 4 bits reserved */
175 	u8      weight;
176 };
177 
178 #define IB_VLARB_LOWPRI_0_31    1
179 #define IB_VLARB_LOWPRI_32_63   2
180 #define IB_VLARB_HIGHPRI_0_31   3
181 #define IB_VLARB_HIGHPRI_32_63  4
182 
183 /*
184  * PMA class portinfo capability mask bits
185  */
186 #define IB_PMA_CLASS_CAP_ALLPORTSELECT  cpu_to_be16(1 << 8)
187 #define IB_PMA_CLASS_CAP_EXT_WIDTH      cpu_to_be16(1 << 9)
188 #define IB_PMA_CLASS_CAP_XMIT_WAIT      cpu_to_be16(1 << 12)
189 
190 #define IB_PMA_CLASS_PORT_INFO          cpu_to_be16(0x0001)
191 #define IB_PMA_PORT_SAMPLES_CONTROL     cpu_to_be16(0x0010)
192 #define IB_PMA_PORT_SAMPLES_RESULT      cpu_to_be16(0x0011)
193 #define IB_PMA_PORT_COUNTERS            cpu_to_be16(0x0012)
194 #define IB_PMA_PORT_COUNTERS_EXT        cpu_to_be16(0x001D)
195 #define IB_PMA_PORT_SAMPLES_RESULT_EXT  cpu_to_be16(0x001E)
196 #define IB_PMA_PORT_COUNTERS_CONG       cpu_to_be16(0xFF00)
197 
198 struct ib_perf {
199 	u8 base_version;
200 	u8 mgmt_class;
201 	u8 class_version;
202 	u8 method;
203 	__be16 status;
204 	__be16 unused;
205 	__be64 tid;
206 	__be16 attr_id;
207 	__be16 resv;
208 	__be32 attr_mod;
209 	u8 reserved[40];
210 	u8 data[192];
211 } __attribute__ ((packed));
212 
213 struct ib_pma_classportinfo {
214 	u8 base_version;
215 	u8 class_version;
216 	__be16 cap_mask;
217 	u8 reserved[3];
218 	u8 resp_time_value;     /* only lower 5 bits */
219 	union ib_gid redirect_gid;
220 	__be32 redirect_tc_sl_fl;       /* 8, 4, 20 bits respectively */
221 	__be16 redirect_lid;
222 	__be16 redirect_pkey;
223 	__be32 redirect_qp;     /* only lower 24 bits */
224 	__be32 redirect_qkey;
225 	union ib_gid trap_gid;
226 	__be32 trap_tc_sl_fl;   /* 8, 4, 20 bits respectively */
227 	__be16 trap_lid;
228 	__be16 trap_pkey;
229 	__be32 trap_hl_qp;      /* 8, 24 bits respectively */
230 	__be32 trap_qkey;
231 } __attribute__ ((packed));
232 
233 struct ib_pma_portsamplescontrol {
234 	u8 opcode;
235 	u8 port_select;
236 	u8 tick;
237 	u8 counter_width;       /* only lower 3 bits */
238 	__be32 counter_mask0_9; /* 2, 10 * 3, bits */
239 	__be16 counter_mask10_14;       /* 1, 5 * 3, bits */
240 	u8 sample_mechanisms;
241 	u8 sample_status;       /* only lower 2 bits */
242 	__be64 option_mask;
243 	__be64 vendor_mask;
244 	__be32 sample_start;
245 	__be32 sample_interval;
246 	__be16 tag;
247 	__be16 counter_select[15];
248 } __attribute__ ((packed));
249 
250 struct ib_pma_portsamplesresult {
251 	__be16 tag;
252 	__be16 sample_status;   /* only lower 2 bits */
253 	__be32 counter[15];
254 } __attribute__ ((packed));
255 
256 struct ib_pma_portsamplesresult_ext {
257 	__be16 tag;
258 	__be16 sample_status;   /* only lower 2 bits */
259 	__be32 extended_width;  /* only upper 2 bits */
260 	__be64 counter[15];
261 } __attribute__ ((packed));
262 
263 struct ib_pma_portcounters {
264 	u8 reserved;
265 	u8 port_select;
266 	__be16 counter_select;
267 	__be16 symbol_error_counter;
268 	u8 link_error_recovery_counter;
269 	u8 link_downed_counter;
270 	__be16 port_rcv_errors;
271 	__be16 port_rcv_remphys_errors;
272 	__be16 port_rcv_switch_relay_errors;
273 	__be16 port_xmit_discards;
274 	u8 port_xmit_constraint_errors;
275 	u8 port_rcv_constraint_errors;
276 	u8 reserved1;
277 	u8 lli_ebor_errors;     /* 4, 4, bits */
278 	__be16 reserved2;
279 	__be16 vl15_dropped;
280 	__be32 port_xmit_data;
281 	__be32 port_rcv_data;
282 	__be32 port_xmit_packets;
283 	__be32 port_rcv_packets;
284 } __attribute__ ((packed));
285 
286 struct ib_pma_portcounters_cong {
287 	u8 reserved;
288 	u8 reserved1;
289 	__be16 port_check_rate;
290 	__be16 symbol_error_counter;
291 	u8 link_error_recovery_counter;
292 	u8 link_downed_counter;
293 	__be16 port_rcv_errors;
294 	__be16 port_rcv_remphys_errors;
295 	__be16 port_rcv_switch_relay_errors;
296 	__be16 port_xmit_discards;
297 	u8 port_xmit_constraint_errors;
298 	u8 port_rcv_constraint_errors;
299 	u8 reserved2;
300 	u8 lli_ebor_errors;    /* 4, 4, bits */
301 	__be16 reserved3;
302 	__be16 vl15_dropped;
303 	__be64 port_xmit_data;
304 	__be64 port_rcv_data;
305 	__be64 port_xmit_packets;
306 	__be64 port_rcv_packets;
307 	__be64 port_xmit_wait;
308 	__be64 port_adr_events;
309 } __attribute__ ((packed));
310 
311 #define IB_PMA_CONG_HW_CONTROL_TIMER            0x00
312 #define IB_PMA_CONG_HW_CONTROL_SAMPLE           0x01
313 
314 #define QIB_XMIT_RATE_UNSUPPORTED               0x0
315 #define QIB_XMIT_RATE_PICO                      0x7
316 /* number of 4nsec cycles equaling 2secs */
317 #define QIB_CONG_TIMER_PSINTERVAL               0x1DCD64EC
318 
319 #define IB_PMA_SEL_SYMBOL_ERROR                 cpu_to_be16(0x0001)
320 #define IB_PMA_SEL_LINK_ERROR_RECOVERY          cpu_to_be16(0x0002)
321 #define IB_PMA_SEL_LINK_DOWNED                  cpu_to_be16(0x0004)
322 #define IB_PMA_SEL_PORT_RCV_ERRORS              cpu_to_be16(0x0008)
323 #define IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS      cpu_to_be16(0x0010)
324 #define IB_PMA_SEL_PORT_XMIT_DISCARDS           cpu_to_be16(0x0040)
325 #define IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS  cpu_to_be16(0x0200)
326 #define IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS    cpu_to_be16(0x0400)
327 #define IB_PMA_SEL_PORT_VL15_DROPPED            cpu_to_be16(0x0800)
328 #define IB_PMA_SEL_PORT_XMIT_DATA               cpu_to_be16(0x1000)
329 #define IB_PMA_SEL_PORT_RCV_DATA                cpu_to_be16(0x2000)
330 #define IB_PMA_SEL_PORT_XMIT_PACKETS            cpu_to_be16(0x4000)
331 #define IB_PMA_SEL_PORT_RCV_PACKETS             cpu_to_be16(0x8000)
332 
333 #define IB_PMA_SEL_CONG_ALL                     0x01
334 #define IB_PMA_SEL_CONG_PORT_DATA               0x02
335 #define IB_PMA_SEL_CONG_XMIT                    0x04
336 #define IB_PMA_SEL_CONG_ROUTING                 0x08
337 
338 struct ib_pma_portcounters_ext {
339 	u8 reserved;
340 	u8 port_select;
341 	__be16 counter_select;
342 	__be32 reserved1;
343 	__be64 port_xmit_data;
344 	__be64 port_rcv_data;
345 	__be64 port_xmit_packets;
346 	__be64 port_rcv_packets;
347 	__be64 port_unicast_xmit_packets;
348 	__be64 port_unicast_rcv_packets;
349 	__be64 port_multicast_xmit_packets;
350 	__be64 port_multicast_rcv_packets;
351 } __attribute__ ((packed));
352 
353 #define IB_PMA_SELX_PORT_XMIT_DATA              cpu_to_be16(0x0001)
354 #define IB_PMA_SELX_PORT_RCV_DATA               cpu_to_be16(0x0002)
355 #define IB_PMA_SELX_PORT_XMIT_PACKETS           cpu_to_be16(0x0004)
356 #define IB_PMA_SELX_PORT_RCV_PACKETS            cpu_to_be16(0x0008)
357 #define IB_PMA_SELX_PORT_UNI_XMIT_PACKETS       cpu_to_be16(0x0010)
358 #define IB_PMA_SELX_PORT_UNI_RCV_PACKETS        cpu_to_be16(0x0020)
359 #define IB_PMA_SELX_PORT_MULTI_XMIT_PACKETS     cpu_to_be16(0x0040)
360 #define IB_PMA_SELX_PORT_MULTI_RCV_PACKETS      cpu_to_be16(0x0080)
361 
362 /*
363  * The PortSamplesControl.CounterMasks field is an array of 3 bit fields
364  * which specify the N'th counter's capabilities. See ch. 16.1.3.2.
365  * We support 5 counters which only count the mandatory quantities.
366  */
367 #define COUNTER_MASK(q, n) (q << ((9 - n) * 3))
368 #define COUNTER_MASK0_9 \
369 	cpu_to_be32(COUNTER_MASK(1, 0) | \
370 		    COUNTER_MASK(1, 1) | \
371 		    COUNTER_MASK(1, 2) | \
372 		    COUNTER_MASK(1, 3) | \
373 		    COUNTER_MASK(1, 4))
374