2 * Copyright (c) 2009-2016 Solarflare Communications Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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35 #if EFSYS_OPT_MON_MCDI
37 #if EFSYS_OPT_MON_STATS
39 #define MCDI_MON_NEXT_PAGE ((uint16_t)0xfffe)
40 #define MCDI_MON_INVALID_SENSOR ((uint16_t)0xfffd)
41 #define MCDI_MON_PAGE_SIZE 0x20
43 /* Bitmasks of valid port(s) for each sensor */
44 #define MCDI_MON_PORT_NONE (0x00)
45 #define MCDI_MON_PORT_P1 (0x01)
46 #define MCDI_MON_PORT_P2 (0x02)
47 #define MCDI_MON_PORT_P3 (0x04)
48 #define MCDI_MON_PORT_P4 (0x08)
49 #define MCDI_MON_PORT_Px (0xFFFF)
51 /* Get port mask from one-based MCDI port number */
52 #define MCDI_MON_PORT_MASK(_emip) (1U << ((_emip)->emi_port - 1))
54 /* Entry for MCDI sensor in sensor map */
55 #define STAT(portmask, stat) \
56 { (MCDI_MON_PORT_##portmask), (EFX_MON_STAT_##stat) }
58 /* Entry for sensor next page flag in sensor map */
59 #define STAT_NEXT_PAGE() \
60 { MCDI_MON_PORT_NONE, MCDI_MON_NEXT_PAGE }
62 /* Placeholder for gaps in the array */
63 #define STAT_NO_SENSOR() \
64 { MCDI_MON_PORT_NONE, MCDI_MON_INVALID_SENSOR }
66 /* Map from MC sensors to monitor statistics */
67 static const struct mcdi_sensor_map_s {
68 uint16_t msm_port_mask;
70 } mcdi_sensor_map[] = {
71 /* Sensor page 0 MC_CMD_SENSOR_xxx */
72 STAT(Px, INT_TEMP), /* 0x00 CONTROLLER_TEMP */
73 STAT(Px, EXT_TEMP), /* 0x01 PHY_COMMON_TEMP */
74 STAT(Px, INT_COOLING), /* 0x02 CONTROLLER_COOLING */
75 STAT(P1, EXT_TEMP), /* 0x03 PHY0_TEMP */
76 STAT(P1, EXT_COOLING), /* 0x04 PHY0_COOLING */
77 STAT(P2, EXT_TEMP), /* 0x05 PHY1_TEMP */
78 STAT(P2, EXT_COOLING), /* 0x06 PHY1_COOLING */
79 STAT(Px, 1V), /* 0x07 IN_1V0 */
80 STAT(Px, 1_2V), /* 0x08 IN_1V2 */
81 STAT(Px, 1_8V), /* 0x09 IN_1V8 */
82 STAT(Px, 2_5V), /* 0x0a IN_2V5 */
83 STAT(Px, 3_3V), /* 0x0b IN_3V3 */
84 STAT(Px, 12V), /* 0x0c IN_12V0 */
85 STAT(Px, 1_2VA), /* 0x0d IN_1V2A */
86 STAT(Px, VREF), /* 0x0e IN_VREF */
87 STAT(Px, VAOE), /* 0x0f OUT_VAOE */
88 STAT(Px, AOE_TEMP), /* 0x10 AOE_TEMP */
89 STAT(Px, PSU_AOE_TEMP), /* 0x11 PSU_AOE_TEMP */
90 STAT(Px, PSU_TEMP), /* 0x12 PSU_TEMP */
91 STAT(Px, FAN0), /* 0x13 FAN_0 */
92 STAT(Px, FAN1), /* 0x14 FAN_1 */
93 STAT(Px, FAN2), /* 0x15 FAN_2 */
94 STAT(Px, FAN3), /* 0x16 FAN_3 */
95 STAT(Px, FAN4), /* 0x17 FAN_4 */
96 STAT(Px, VAOE_IN), /* 0x18 IN_VAOE */
97 STAT(Px, IAOE), /* 0x19 OUT_IAOE */
98 STAT(Px, IAOE_IN), /* 0x1a IN_IAOE */
99 STAT(Px, NIC_POWER), /* 0x1b NIC_POWER */
100 STAT(Px, 0_9V), /* 0x1c IN_0V9 */
101 STAT(Px, I0_9V), /* 0x1d IN_I0V9 */
102 STAT(Px, I1_2V), /* 0x1e IN_I1V2 */
103 STAT_NEXT_PAGE(), /* 0x1f Next page flag (not a sensor) */
105 /* Sensor page 1 MC_CMD_SENSOR_xxx */
106 STAT(Px, 0_9V_ADC), /* 0x20 IN_0V9_ADC */
107 STAT(Px, INT_TEMP2), /* 0x21 CONTROLLER_2_TEMP */
108 STAT(Px, VREG_TEMP), /* 0x22 VREG_INTERNAL_TEMP */
109 STAT(Px, VREG_0_9V_TEMP), /* 0x23 VREG_0V9_TEMP */
110 STAT(Px, VREG_1_2V_TEMP), /* 0x24 VREG_1V2_TEMP */
111 STAT(Px, INT_VPTAT), /* 0x25 CTRLR. VPTAT */
112 STAT(Px, INT_ADC_TEMP), /* 0x26 CTRLR. INTERNAL_TEMP */
113 STAT(Px, EXT_VPTAT), /* 0x27 CTRLR. VPTAT_EXTADC */
114 STAT(Px, EXT_ADC_TEMP), /* 0x28 CTRLR. INTERNAL_TEMP_EXTADC */
115 STAT(Px, AMBIENT_TEMP), /* 0x29 AMBIENT_TEMP */
116 STAT(Px, AIRFLOW), /* 0x2a AIRFLOW */
117 STAT(Px, VDD08D_VSS08D_CSR), /* 0x2b VDD08D_VSS08D_CSR */
118 STAT(Px, VDD08D_VSS08D_CSR_EXTADC), /* 0x2c VDD08D_VSS08D_CSR_EXTADC */
119 STAT(Px, HOTPOINT_TEMP), /* 0x2d HOTPOINT_TEMP */
120 STAT(P1, PHY_POWER_SWITCH_PORT0), /* 0x2e PHY_POWER_SWITCH_PORT0 */
121 STAT(P2, PHY_POWER_SWITCH_PORT1), /* 0x2f PHY_POWER_SWITCH_PORT1 */
122 STAT(Px, MUM_VCC), /* 0x30 MUM_VCC */
123 STAT(Px, 0V9_A), /* 0x31 0V9_A */
124 STAT(Px, I0V9_A), /* 0x32 I0V9_A */
125 STAT(Px, 0V9_A_TEMP), /* 0x33 0V9_A_TEMP */
126 STAT(Px, 0V9_B), /* 0x34 0V9_B */
127 STAT(Px, I0V9_B), /* 0x35 I0V9_B */
128 STAT(Px, 0V9_B_TEMP), /* 0x36 0V9_B_TEMP */
129 STAT(Px, CCOM_AVREG_1V2_SUPPLY), /* 0x37 CCOM_AVREG_1V2_SUPPLY */
130 STAT(Px, CCOM_AVREG_1V2_SUPPLY_EXT_ADC),
131 /* 0x38 CCOM_AVREG_1V2_SUPPLY_EXT_ADC */
132 STAT(Px, CCOM_AVREG_1V8_SUPPLY), /* 0x39 CCOM_AVREG_1V8_SUPPLY */
133 STAT(Px, CCOM_AVREG_1V8_SUPPLY_EXT_ADC),
134 /* 0x3a CCOM_AVREG_1V8_SUPPLY_EXT_ADC */
135 STAT_NO_SENSOR(), /* 0x3b (no sensor) */
136 STAT_NO_SENSOR(), /* 0x3c (no sensor) */
137 STAT_NO_SENSOR(), /* 0x3d (no sensor) */
138 STAT_NO_SENSOR(), /* 0x3e (no sensor) */
139 STAT_NEXT_PAGE(), /* 0x3f Next page flag (not a sensor) */
141 /* Sensor page 2 MC_CMD_SENSOR_xxx */
142 STAT(Px, CONTROLLER_MASTER_VPTAT), /* 0x40 MASTER_VPTAT */
143 STAT(Px, CONTROLLER_MASTER_INTERNAL_TEMP), /* 0x41 MASTER_INT_TEMP */
144 STAT(Px, CONTROLLER_MASTER_VPTAT_EXT_ADC), /* 0x42 MAST_VPTAT_EXT_ADC */
145 STAT(Px, CONTROLLER_MASTER_INTERNAL_TEMP_EXT_ADC),
146 /* 0x43 MASTER_INTERNAL_TEMP_EXT_ADC */
147 STAT(Px, CONTROLLER_SLAVE_VPTAT), /* 0x44 SLAVE_VPTAT */
148 STAT(Px, CONTROLLER_SLAVE_INTERNAL_TEMP), /* 0x45 SLAVE_INTERNAL_TEMP */
149 STAT(Px, CONTROLLER_SLAVE_VPTAT_EXT_ADC), /* 0x46 SLAVE_VPTAT_EXT_ADC */
150 STAT(Px, CONTROLLER_SLAVE_INTERNAL_TEMP_EXT_ADC),
151 /* 0x47 SLAVE_INTERNAL_TEMP_EXT_ADC */
152 STAT_NO_SENSOR(), /* 0x48 (no sensor) */
153 STAT(Px, SODIMM_VOUT), /* 0x49 SODIMM_VOUT */
154 STAT(Px, SODIMM_0_TEMP), /* 0x4a SODIMM_0_TEMP */
155 STAT(Px, SODIMM_1_TEMP), /* 0x4b SODIMM_1_TEMP */
156 STAT(Px, PHY0_VCC), /* 0x4c PHY0_VCC */
157 STAT(Px, PHY1_VCC), /* 0x4d PHY1_VCC */
158 STAT(Px, CONTROLLER_TDIODE_TEMP), /* 0x4e CONTROLLER_TDIODE_TEMP */
159 STAT(Px, BOARD_FRONT_TEMP), /* 0x4f BOARD_FRONT_TEMP */
160 STAT(Px, BOARD_BACK_TEMP), /* 0x50 BOARD_BACK_TEMP */
163 #define MCDI_STATIC_SENSOR_ASSERT(_field) \
164 EFX_STATIC_ASSERT(MC_CMD_SENSOR_STATE_ ## _field \
165 == EFX_MON_STAT_STATE_ ## _field)
168 mcdi_mon_decode_stats(
170 __in_bcount(sensor_mask_size) uint32_t *sensor_mask,
171 __in size_t sensor_mask_size,
172 __in_opt efsys_mem_t *esmp,
173 __out_bcount_opt(sensor_mask_size) uint32_t *stat_maskp,
174 __inout_ecount_opt(EFX_MON_NSTATS) efx_mon_stat_value_t *stat)
176 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
180 uint32_t stat_mask[(EFX_ARRAY_SIZE(mcdi_sensor_map) + 31) / 32];
184 /* Assert the MC_CMD_SENSOR and EFX_MON_STATE namespaces agree */
185 MCDI_STATIC_SENSOR_ASSERT(OK);
186 MCDI_STATIC_SENSOR_ASSERT(WARNING);
187 MCDI_STATIC_SENSOR_ASSERT(FATAL);
188 MCDI_STATIC_SENSOR_ASSERT(BROKEN);
189 MCDI_STATIC_SENSOR_ASSERT(NO_READING);
191 EFX_STATIC_ASSERT(sizeof (stat_mask[0]) * 8 ==
192 EFX_MON_MASK_ELEMENT_SIZE);
194 MIN((8 * sensor_mask_size), EFX_ARRAY_SIZE(mcdi_sensor_map));
196 EFSYS_ASSERT(emip->emi_port > 0); /* MCDI port number is one-based */
197 port_mask = MCDI_MON_PORT_MASK(emip);
199 memset(stat_mask, 0, sizeof (stat_mask));
202 * The MCDI sensor readings in the DMA buffer are a packed array of
203 * MC_CMD_SENSOR_VALUE_ENTRY structures, which only includes entries for
204 * supported sensors (bit set in sensor_mask). The sensor_mask and
205 * sensor readings do not include entries for the per-page NEXT_PAGE
208 * sensor_mask may legitimately contain MCDI sensors that the driver
209 * does not understand.
211 for (sensor = 0; sensor < sensor_max; ++sensor) {
212 efx_mon_stat_t id = mcdi_sensor_map[sensor].msm_stat;
214 if ((sensor % MCDI_MON_PAGE_SIZE) == MC_CMD_SENSOR_PAGE0_NEXT) {
215 EFSYS_ASSERT3U(id, ==, MCDI_MON_NEXT_PAGE);
219 if (~(sensor_mask[page]) & (1U << sensor))
223 if ((port_mask & mcdi_sensor_map[sensor].msm_port_mask) == 0)
225 EFSYS_ASSERT(id < EFX_MON_NSTATS);
228 * stat_mask is a bitmask indexed by EFX_MON_* monitor statistic
229 * identifiers from efx_mon_stat_t (without NEXT_PAGE bits).
231 * If there is an entry in the MCDI sensor to monitor statistic
232 * map then the sensor reading is used for the value of the
235 stat_mask[id / EFX_MON_MASK_ELEMENT_SIZE] |=
236 (1U << (id % EFX_MON_MASK_ELEMENT_SIZE));
238 if (stat != NULL && esmp != NULL && !EFSYS_MEM_IS_NULL(esmp)) {
241 /* Get MCDI sensor reading from DMA buffer */
242 EFSYS_MEM_READD(esmp, 4 * (idx - 1), &dword);
244 /* Update EFX monitor stat from MCDI sensor reading */
245 stat[id].emsv_value = (uint16_t)EFX_DWORD_FIELD(dword,
246 MC_CMD_SENSOR_VALUE_ENTRY_TYPEDEF_VALUE);
248 stat[id].emsv_state = (uint16_t)EFX_DWORD_FIELD(dword,
249 MC_CMD_SENSOR_VALUE_ENTRY_TYPEDEF_STATE);
253 if (stat_maskp != NULL) {
254 memcpy(stat_maskp, stat_mask, sizeof (stat_mask));
258 __checkReturn efx_rc_t
261 __in efx_qword_t *eqp,
262 __out efx_mon_stat_t *idp,
263 __out efx_mon_stat_value_t *valuep)
265 efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
266 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
274 EFSYS_ASSERT(emip->emi_port > 0); /* MCDI port number is one-based */
275 port_mask = MCDI_MON_PORT_MASK(emip);
277 sensor = (uint16_t)MCDI_EV_FIELD(eqp, SENSOREVT_MONITOR);
278 state = (uint16_t)MCDI_EV_FIELD(eqp, SENSOREVT_STATE);
279 value = (uint16_t)MCDI_EV_FIELD(eqp, SENSOREVT_VALUE);
281 /* Hardware must support this MCDI sensor */
282 EFSYS_ASSERT3U(sensor, <, (8 * encp->enc_mcdi_sensor_mask_size));
283 EFSYS_ASSERT((sensor % MCDI_MON_PAGE_SIZE) != MC_CMD_SENSOR_PAGE0_NEXT);
284 EFSYS_ASSERT(encp->enc_mcdi_sensor_maskp != NULL);
285 EFSYS_ASSERT((encp->enc_mcdi_sensor_maskp[sensor / MCDI_MON_PAGE_SIZE] &
286 (1U << (sensor % MCDI_MON_PAGE_SIZE))) != 0);
288 /* But we don't have to understand it */
289 if (sensor >= EFX_ARRAY_SIZE(mcdi_sensor_map)) {
293 id = mcdi_sensor_map[sensor].msm_stat;
294 if ((port_mask & mcdi_sensor_map[sensor].msm_port_mask) == 0)
296 EFSYS_ASSERT(id < EFX_MON_NSTATS);
299 valuep->emsv_value = value;
300 valuep->emsv_state = state;
305 EFSYS_PROBE1(fail1, efx_rc_t, rc);
311 static __checkReturn efx_rc_t
312 efx_mcdi_read_sensors(
314 __in efsys_mem_t *esmp,
318 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_READ_SENSORS_EXT_IN_LEN,
319 MC_CMD_READ_SENSORS_EXT_OUT_LEN);
320 uint32_t addr_lo, addr_hi;
323 if (EFSYS_MEM_SIZE(esmp) < size) {
328 req.emr_cmd = MC_CMD_READ_SENSORS;
329 req.emr_in_buf = payload;
330 req.emr_in_length = MC_CMD_READ_SENSORS_EXT_IN_LEN;
331 req.emr_out_buf = payload;
332 req.emr_out_length = MC_CMD_READ_SENSORS_EXT_OUT_LEN;
334 addr_lo = (uint32_t)(EFSYS_MEM_ADDR(esmp) & 0xffffffff);
335 addr_hi = (uint32_t)(EFSYS_MEM_ADDR(esmp) >> 32);
337 MCDI_IN_SET_DWORD(req, READ_SENSORS_EXT_IN_DMA_ADDR_LO, addr_lo);
338 MCDI_IN_SET_DWORD(req, READ_SENSORS_EXT_IN_DMA_ADDR_HI, addr_hi);
339 MCDI_IN_SET_DWORD(req, READ_SENSORS_EXT_IN_LENGTH, size);
341 efx_mcdi_execute(enp, &req);
346 EFSYS_PROBE1(fail1, efx_rc_t, rc);
351 static __checkReturn efx_rc_t
352 efx_mcdi_sensor_info_npages(
354 __out uint32_t *npagesp)
357 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_SENSOR_INFO_EXT_IN_LEN,
358 MC_CMD_SENSOR_INFO_OUT_LENMAX);
362 EFSYS_ASSERT(npagesp != NULL);
366 (void) memset(payload, 0, sizeof (payload));
367 req.emr_cmd = MC_CMD_SENSOR_INFO;
368 req.emr_in_buf = payload;
369 req.emr_in_length = MC_CMD_SENSOR_INFO_EXT_IN_LEN;
370 req.emr_out_buf = payload;
371 req.emr_out_length = MC_CMD_SENSOR_INFO_OUT_LENMAX;
373 MCDI_IN_SET_DWORD(req, SENSOR_INFO_EXT_IN_PAGE, page++);
375 efx_mcdi_execute_quiet(enp, &req);
377 if (req.emr_rc != 0) {
381 } while (MCDI_OUT_DWORD(req, SENSOR_INFO_OUT_MASK) &
382 (1U << MC_CMD_SENSOR_PAGE0_NEXT));
389 EFSYS_PROBE1(fail1, efx_rc_t, rc);
394 static __checkReturn efx_rc_t
395 efx_mcdi_sensor_info(
397 __out_ecount(npages) uint32_t *sensor_maskp,
401 EFX_MCDI_DECLARE_BUF(payload, MC_CMD_SENSOR_INFO_EXT_IN_LEN,
402 MC_CMD_SENSOR_INFO_OUT_LENMAX);
406 EFSYS_ASSERT(sensor_maskp != NULL);
408 for (page = 0; page < npages; page++) {
411 (void) memset(payload, 0, sizeof (payload));
412 req.emr_cmd = MC_CMD_SENSOR_INFO;
413 req.emr_in_buf = payload;
414 req.emr_in_length = MC_CMD_SENSOR_INFO_EXT_IN_LEN;
415 req.emr_out_buf = payload;
416 req.emr_out_length = MC_CMD_SENSOR_INFO_OUT_LENMAX;
418 MCDI_IN_SET_DWORD(req, SENSOR_INFO_EXT_IN_PAGE, page);
420 efx_mcdi_execute(enp, &req);
422 if (req.emr_rc != 0) {
427 mask = MCDI_OUT_DWORD(req, SENSOR_INFO_OUT_MASK);
429 if ((page != (npages - 1)) &&
430 ((mask & (1U << MC_CMD_SENSOR_PAGE0_NEXT)) == 0)) {
434 sensor_maskp[page] = mask;
437 if (sensor_maskp[npages - 1] & (1U << MC_CMD_SENSOR_PAGE0_NEXT)) {
449 EFSYS_PROBE1(fail1, efx_rc_t, rc);
454 __checkReturn efx_rc_t
455 mcdi_mon_stats_update(
457 __in efsys_mem_t *esmp,
458 __inout_ecount(EFX_MON_NSTATS) efx_mon_stat_value_t *values)
460 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
461 uint32_t size = encp->enc_mon_stat_dma_buf_size;
464 if ((rc = efx_mcdi_read_sensors(enp, esmp, size)) != 0)
467 EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, size);
469 mcdi_mon_decode_stats(enp,
470 encp->enc_mcdi_sensor_maskp,
471 encp->enc_mcdi_sensor_mask_size,
477 EFSYS_PROBE1(fail1, efx_rc_t, rc);
482 __checkReturn efx_rc_t
486 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
490 switch (enp->en_family) {
492 case EFX_FAMILY_SIENA:
493 encp->enc_mon_type = EFX_MON_SFC90X0;
496 #if EFSYS_OPT_HUNTINGTON
497 case EFX_FAMILY_HUNTINGTON:
498 encp->enc_mon_type = EFX_MON_SFC91X0;
501 #if EFSYS_OPT_MEDFORD
502 case EFX_FAMILY_MEDFORD:
503 encp->enc_mon_type = EFX_MON_SFC92X0;
511 /* Get mc sensor mask size */
513 if ((rc = efx_mcdi_sensor_info_npages(enp, &npages)) != 0)
516 encp->enc_mon_stat_dma_buf_size = npages * EFX_MON_STATS_PAGE_SIZE;
517 encp->enc_mcdi_sensor_mask_size = npages * sizeof (uint32_t);
519 /* Allocate mc sensor mask */
520 EFSYS_KMEM_ALLOC(enp->en_esip,
521 encp->enc_mcdi_sensor_mask_size,
522 encp->enc_mcdi_sensor_maskp);
524 if (encp->enc_mcdi_sensor_maskp == NULL) {
529 /* Read mc sensor mask */
530 if ((rc = efx_mcdi_sensor_info(enp,
531 encp->enc_mcdi_sensor_maskp,
535 /* Build monitor statistics mask */
536 mcdi_mon_decode_stats(enp,
537 encp->enc_mcdi_sensor_maskp,
538 encp->enc_mcdi_sensor_mask_size,
539 NULL, encp->enc_mon_stat_mask, NULL);
545 EFSYS_KMEM_FREE(enp->en_esip,
546 encp->enc_mcdi_sensor_mask_size,
547 encp->enc_mcdi_sensor_maskp);
556 EFSYS_PROBE1(fail1, efx_rc_t, rc);
565 efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
567 if (encp->enc_mcdi_sensor_maskp != NULL) {
568 EFSYS_KMEM_FREE(enp->en_esip,
569 encp->enc_mcdi_sensor_mask_size,
570 encp->enc_mcdi_sensor_maskp);
575 #endif /* EFSYS_OPT_MON_STATS */
577 #endif /* EFSYS_OPT_MON_MCDI */