mcdi_mon.c revision 342445
1/*-
2 * Copyright (c) 2009-2016 Solarflare Communications Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
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.
13 *
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
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
24 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * The views and conclusions contained in the software and documentation are
27 * those of the authors and should not be interpreted as representing official
28 * policies, either expressed or implied, of the FreeBSD Project.
29 */
30
31#include <sys/cdefs.h>
32__FBSDID("$FreeBSD: stable/11/sys/dev/sfxge/common/mcdi_mon.c 342445 2018-12-25 07:27:45Z arybchik $");
33
34#include "efx.h"
35#include "efx_impl.h"
36#include "mcdi_mon.h"
37
38#if EFSYS_OPT_MON_MCDI
39
40#if EFSYS_OPT_MON_STATS
41
42#define	MCDI_MON_NEXT_PAGE  ((uint16_t)0xfffe)
43#define	MCDI_MON_INVALID_SENSOR ((uint16_t)0xfffd)
44#define	MCDI_MON_PAGE_SIZE 0x20
45
46/* Bitmasks of valid port(s) for each sensor */
47#define	MCDI_MON_PORT_NONE	(0x00)
48#define	MCDI_MON_PORT_P1	(0x01)
49#define	MCDI_MON_PORT_P2	(0x02)
50#define	MCDI_MON_PORT_P3	(0x04)
51#define	MCDI_MON_PORT_P4	(0x08)
52#define	MCDI_MON_PORT_Px	(0xFFFF)
53
54/* Get port mask from one-based MCDI port number */
55#define	MCDI_MON_PORT_MASK(_emip) (1U << ((_emip)->emi_port - 1))
56
57/* Entry for MCDI sensor in sensor map */
58#define	STAT(portmask, stat)	\
59	{ (MCDI_MON_PORT_##portmask), (EFX_MON_STAT_##stat) }
60
61/* Entry for sensor next page flag in sensor map */
62#define	STAT_NEXT_PAGE()	\
63	{ MCDI_MON_PORT_NONE, MCDI_MON_NEXT_PAGE }
64
65/* Placeholder for gaps in the array */
66#define	STAT_NO_SENSOR()	\
67	{ MCDI_MON_PORT_NONE, MCDI_MON_INVALID_SENSOR }
68
69/* Map from MC sensors to monitor statistics */
70static const struct mcdi_sensor_map_s {
71	uint16_t	msm_port_mask;
72	uint16_t	msm_stat;
73} mcdi_sensor_map[] = {
74	/* Sensor page 0		MC_CMD_SENSOR_xxx */
75	STAT(Px, INT_TEMP),		/* 0x00 CONTROLLER_TEMP */
76	STAT(Px, EXT_TEMP),		/* 0x01 PHY_COMMON_TEMP */
77	STAT(Px, INT_COOLING),		/* 0x02 CONTROLLER_COOLING */
78	STAT(P1, EXT_TEMP),		/* 0x03 PHY0_TEMP */
79	STAT(P1, EXT_COOLING),		/* 0x04 PHY0_COOLING */
80	STAT(P2, EXT_TEMP),		/* 0x05 PHY1_TEMP */
81	STAT(P2, EXT_COOLING),		/* 0x06 PHY1_COOLING */
82	STAT(Px, 1V),			/* 0x07 IN_1V0 */
83	STAT(Px, 1_2V),			/* 0x08 IN_1V2 */
84	STAT(Px, 1_8V),			/* 0x09 IN_1V8 */
85	STAT(Px, 2_5V),			/* 0x0a IN_2V5 */
86	STAT(Px, 3_3V),			/* 0x0b IN_3V3 */
87	STAT(Px, 12V),			/* 0x0c IN_12V0 */
88	STAT(Px, 1_2VA),		/* 0x0d IN_1V2A */
89	STAT(Px, VREF),			/* 0x0e IN_VREF */
90	STAT(Px, VAOE),			/* 0x0f OUT_VAOE */
91	STAT(Px, AOE_TEMP),		/* 0x10 AOE_TEMP */
92	STAT(Px, PSU_AOE_TEMP),		/* 0x11 PSU_AOE_TEMP */
93	STAT(Px, PSU_TEMP),		/* 0x12 PSU_TEMP */
94	STAT(Px, FAN0),			/* 0x13 FAN_0 */
95	STAT(Px, FAN1),			/* 0x14 FAN_1 */
96	STAT(Px, FAN2),			/* 0x15 FAN_2 */
97	STAT(Px, FAN3),			/* 0x16 FAN_3 */
98	STAT(Px, FAN4),			/* 0x17 FAN_4 */
99	STAT(Px, VAOE_IN),		/* 0x18 IN_VAOE */
100	STAT(Px, IAOE),			/* 0x19 OUT_IAOE */
101	STAT(Px, IAOE_IN),		/* 0x1a IN_IAOE */
102	STAT(Px, NIC_POWER),		/* 0x1b NIC_POWER */
103	STAT(Px, 0_9V),			/* 0x1c IN_0V9 */
104	STAT(Px, I0_9V),		/* 0x1d IN_I0V9 */
105	STAT(Px, I1_2V),		/* 0x1e IN_I1V2 */
106	STAT_NEXT_PAGE(),		/* 0x1f Next page flag (not a sensor) */
107
108	/* Sensor page 1		MC_CMD_SENSOR_xxx */
109	STAT(Px, 0_9V_ADC),		/* 0x20 IN_0V9_ADC */
110	STAT(Px, INT_TEMP2),		/* 0x21 CONTROLLER_2_TEMP */
111	STAT(Px, VREG_TEMP),		/* 0x22 VREG_INTERNAL_TEMP */
112	STAT(Px, VREG_0_9V_TEMP),	/* 0x23 VREG_0V9_TEMP */
113	STAT(Px, VREG_1_2V_TEMP),	/* 0x24 VREG_1V2_TEMP */
114	STAT(Px, INT_VPTAT),		/* 0x25 CTRLR. VPTAT */
115	STAT(Px, INT_ADC_TEMP),		/* 0x26 CTRLR. INTERNAL_TEMP */
116	STAT(Px, EXT_VPTAT),		/* 0x27 CTRLR. VPTAT_EXTADC */
117	STAT(Px, EXT_ADC_TEMP),		/* 0x28 CTRLR. INTERNAL_TEMP_EXTADC */
118	STAT(Px, AMBIENT_TEMP),		/* 0x29 AMBIENT_TEMP */
119	STAT(Px, AIRFLOW),		/* 0x2a AIRFLOW */
120	STAT(Px, VDD08D_VSS08D_CSR),	/* 0x2b VDD08D_VSS08D_CSR */
121	STAT(Px, VDD08D_VSS08D_CSR_EXTADC), /* 0x2c VDD08D_VSS08D_CSR_EXTADC */
122	STAT(Px, HOTPOINT_TEMP),	/* 0x2d HOTPOINT_TEMP */
123	STAT(P1, PHY_POWER_SWITCH_PORT0),   /* 0x2e PHY_POWER_SWITCH_PORT0 */
124	STAT(P2, PHY_POWER_SWITCH_PORT1),   /* 0x2f PHY_POWER_SWITCH_PORT1 */
125	STAT(Px, MUM_VCC),		/* 0x30 MUM_VCC */
126	STAT(Px, 0V9_A),		/* 0x31 0V9_A */
127	STAT(Px, I0V9_A),		/* 0x32 I0V9_A */
128	STAT(Px, 0V9_A_TEMP),		/* 0x33 0V9_A_TEMP */
129	STAT(Px, 0V9_B),		/* 0x34 0V9_B */
130	STAT(Px, I0V9_B),		/* 0x35 I0V9_B */
131	STAT(Px, 0V9_B_TEMP),		/* 0x36 0V9_B_TEMP */
132	STAT(Px, CCOM_AVREG_1V2_SUPPLY),  /* 0x37 CCOM_AVREG_1V2_SUPPLY */
133	STAT(Px, CCOM_AVREG_1V2_SUPPLY_EXT_ADC),
134					/* 0x38 CCOM_AVREG_1V2_SUPPLY_EXT_ADC */
135	STAT(Px, CCOM_AVREG_1V8_SUPPLY),  /* 0x39 CCOM_AVREG_1V8_SUPPLY */
136	STAT(Px, CCOM_AVREG_1V8_SUPPLY_EXT_ADC),
137					/* 0x3a CCOM_AVREG_1V8_SUPPLY_EXT_ADC */
138	STAT_NO_SENSOR(),		/* 0x3b (no sensor) */
139	STAT_NO_SENSOR(),		/* 0x3c (no sensor) */
140	STAT_NO_SENSOR(),		/* 0x3d (no sensor) */
141	STAT_NO_SENSOR(),		/* 0x3e (no sensor) */
142	STAT_NEXT_PAGE(),		/* 0x3f Next page flag (not a sensor) */
143
144	/* Sensor page 2		MC_CMD_SENSOR_xxx */
145	STAT(Px, CONTROLLER_MASTER_VPTAT),	   /* 0x40 MASTER_VPTAT */
146	STAT(Px, CONTROLLER_MASTER_INTERNAL_TEMP), /* 0x41 MASTER_INT_TEMP */
147	STAT(Px, CONTROLLER_MASTER_VPTAT_EXT_ADC), /* 0x42 MAST_VPTAT_EXT_ADC */
148	STAT(Px, CONTROLLER_MASTER_INTERNAL_TEMP_EXT_ADC),
149					/* 0x43 MASTER_INTERNAL_TEMP_EXT_ADC */
150	STAT(Px, CONTROLLER_SLAVE_VPTAT),	  /* 0x44 SLAVE_VPTAT */
151	STAT(Px, CONTROLLER_SLAVE_INTERNAL_TEMP), /* 0x45 SLAVE_INTERNAL_TEMP */
152	STAT(Px, CONTROLLER_SLAVE_VPTAT_EXT_ADC), /* 0x46 SLAVE_VPTAT_EXT_ADC */
153	STAT(Px, CONTROLLER_SLAVE_INTERNAL_TEMP_EXT_ADC),
154					/* 0x47 SLAVE_INTERNAL_TEMP_EXT_ADC */
155	STAT_NO_SENSOR(),		/* 0x48 (no sensor) */
156	STAT(Px, SODIMM_VOUT),		/* 0x49 SODIMM_VOUT */
157	STAT(Px, SODIMM_0_TEMP),	/* 0x4a SODIMM_0_TEMP */
158	STAT(Px, SODIMM_1_TEMP),	/* 0x4b SODIMM_1_TEMP */
159	STAT(Px, PHY0_VCC),		/* 0x4c PHY0_VCC */
160	STAT(Px, PHY1_VCC),		/* 0x4d PHY1_VCC */
161	STAT(Px, CONTROLLER_TDIODE_TEMP), /* 0x4e CONTROLLER_TDIODE_TEMP */
162	STAT(Px, BOARD_FRONT_TEMP),	/* 0x4f BOARD_FRONT_TEMP */
163	STAT(Px, BOARD_BACK_TEMP),	/* 0x50 BOARD_BACK_TEMP */
164};
165
166#define	MCDI_STATIC_SENSOR_ASSERT(_field)				\
167	EFX_STATIC_ASSERT(MC_CMD_SENSOR_STATE_ ## _field		\
168			    == EFX_MON_STAT_STATE_ ## _field)
169
170static						void
171mcdi_mon_decode_stats(
172	__in					efx_nic_t *enp,
173	__in_bcount(sensor_mask_size)		uint32_t *sensor_mask,
174	__in					size_t sensor_mask_size,
175	__in_opt				efsys_mem_t *esmp,
176	__out_bcount_opt(sensor_mask_size)	uint32_t *stat_maskp,
177	__inout_ecount_opt(EFX_MON_NSTATS)	efx_mon_stat_value_t *stat)
178{
179	efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
180	uint16_t port_mask;
181	uint16_t sensor;
182	size_t sensor_max;
183	uint32_t stat_mask[(EFX_ARRAY_SIZE(mcdi_sensor_map) + 31) / 32];
184	uint32_t idx = 0;
185	uint32_t page = 0;
186
187	/* Assert the MC_CMD_SENSOR and EFX_MON_STATE namespaces agree */
188	MCDI_STATIC_SENSOR_ASSERT(OK);
189	MCDI_STATIC_SENSOR_ASSERT(WARNING);
190	MCDI_STATIC_SENSOR_ASSERT(FATAL);
191	MCDI_STATIC_SENSOR_ASSERT(BROKEN);
192	MCDI_STATIC_SENSOR_ASSERT(NO_READING);
193
194	EFX_STATIC_ASSERT(sizeof (stat_mask[0]) * 8 ==
195	    EFX_MON_MASK_ELEMENT_SIZE);
196	sensor_max =
197	    MIN((8 * sensor_mask_size), EFX_ARRAY_SIZE(mcdi_sensor_map));
198
199	EFSYS_ASSERT(emip->emi_port > 0); /* MCDI port number is one-based */
200	port_mask = MCDI_MON_PORT_MASK(emip);
201
202	memset(stat_mask, 0, sizeof (stat_mask));
203
204	/*
205	 * The MCDI sensor readings in the DMA buffer are a packed array of
206	 * MC_CMD_SENSOR_VALUE_ENTRY structures, which only includes entries for
207	 * supported sensors (bit set in sensor_mask). The sensor_mask and
208	 * sensor readings do not include entries for the per-page NEXT_PAGE
209	 * flag.
210	 *
211	 * sensor_mask may legitimately contain MCDI sensors that the driver
212	 * does not understand.
213	 */
214	for (sensor = 0; sensor < sensor_max; ++sensor) {
215		efx_mon_stat_t id = mcdi_sensor_map[sensor].msm_stat;
216
217		if ((sensor % MCDI_MON_PAGE_SIZE) == MC_CMD_SENSOR_PAGE0_NEXT) {
218			EFSYS_ASSERT3U(id, ==, MCDI_MON_NEXT_PAGE);
219			page++;
220			continue;
221		}
222		if (~(sensor_mask[page]) & (1U << sensor))
223			continue;
224		idx++;
225
226		if ((port_mask & mcdi_sensor_map[sensor].msm_port_mask) == 0)
227			continue;
228		EFSYS_ASSERT(id < EFX_MON_NSTATS);
229
230		/*
231		 * stat_mask is a bitmask indexed by EFX_MON_* monitor statistic
232		 * identifiers from efx_mon_stat_t (without NEXT_PAGE bits).
233		 *
234		 * If there is an entry in the MCDI sensor to monitor statistic
235		 * map then the sensor reading is used for the value of the
236		 * monitor statistic.
237		 */
238		stat_mask[id / EFX_MON_MASK_ELEMENT_SIZE] |=
239		    (1U << (id % EFX_MON_MASK_ELEMENT_SIZE));
240
241		if (stat != NULL && esmp != NULL && !EFSYS_MEM_IS_NULL(esmp)) {
242			efx_dword_t dword;
243
244			/* Get MCDI sensor reading from DMA buffer */
245			EFSYS_MEM_READD(esmp, 4 * (idx - 1), &dword);
246
247			/* Update EFX monitor stat from MCDI sensor reading */
248			stat[id].emsv_value = (uint16_t)EFX_DWORD_FIELD(dword,
249			    MC_CMD_SENSOR_VALUE_ENTRY_TYPEDEF_VALUE);
250
251			stat[id].emsv_state = (uint16_t)EFX_DWORD_FIELD(dword,
252			    MC_CMD_SENSOR_VALUE_ENTRY_TYPEDEF_STATE);
253		}
254	}
255
256	if (stat_maskp != NULL) {
257		memcpy(stat_maskp, stat_mask, sizeof (stat_mask));
258	}
259}
260
261	__checkReturn			efx_rc_t
262mcdi_mon_ev(
263	__in				efx_nic_t *enp,
264	__in				efx_qword_t *eqp,
265	__out				efx_mon_stat_t *idp,
266	__out				efx_mon_stat_value_t *valuep)
267{
268	efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
269	uint16_t port_mask;
270	uint16_t sensor;
271	uint16_t state;
272	uint16_t value;
273	efx_mon_stat_t id;
274	efx_rc_t rc;
275
276	EFSYS_ASSERT(emip->emi_port > 0); /* MCDI port number is one-based */
277	port_mask = MCDI_MON_PORT_MASK(emip);
278
279	sensor = (uint16_t)MCDI_EV_FIELD(eqp, SENSOREVT_MONITOR);
280	state = (uint16_t)MCDI_EV_FIELD(eqp, SENSOREVT_STATE);
281	value = (uint16_t)MCDI_EV_FIELD(eqp, SENSOREVT_VALUE);
282
283	/* Hardware must support this MCDI sensor */
284	EFSYS_ASSERT3U(sensor, <,
285	    (8 * enp->en_nic_cfg.enc_mcdi_sensor_mask_size));
286	EFSYS_ASSERT((sensor % MCDI_MON_PAGE_SIZE) != MC_CMD_SENSOR_PAGE0_NEXT);
287	EFSYS_ASSERT(enp->en_nic_cfg.enc_mcdi_sensor_maskp != NULL);
288	EFSYS_ASSERT(
289	    (enp->en_nic_cfg.enc_mcdi_sensor_maskp[sensor/MCDI_MON_PAGE_SIZE] &
290	    (1U << (sensor % MCDI_MON_PAGE_SIZE))) != 0);
291
292	/* But we don't have to understand it */
293	if (sensor >= EFX_ARRAY_SIZE(mcdi_sensor_map)) {
294		rc = ENOTSUP;
295		goto fail1;
296	}
297	id = mcdi_sensor_map[sensor].msm_stat;
298	if ((port_mask & mcdi_sensor_map[sensor].msm_port_mask) == 0)
299		return (ENODEV);
300	EFSYS_ASSERT(id < EFX_MON_NSTATS);
301
302	*idp = id;
303	valuep->emsv_value = value;
304	valuep->emsv_state = state;
305
306	return (0);
307
308fail1:
309	EFSYS_PROBE1(fail1, efx_rc_t, rc);
310
311	return (rc);
312}
313
314
315static	__checkReturn	efx_rc_t
316efx_mcdi_read_sensors(
317	__in		efx_nic_t *enp,
318	__in		efsys_mem_t *esmp,
319	__in		uint32_t size)
320{
321	efx_mcdi_req_t req;
322	EFX_MCDI_DECLARE_BUF(payload, MC_CMD_READ_SENSORS_EXT_IN_LEN,
323		MC_CMD_READ_SENSORS_EXT_OUT_LEN);
324	uint32_t addr_lo, addr_hi;
325	efx_rc_t rc;
326
327	if (EFSYS_MEM_SIZE(esmp) < size) {
328		rc = EINVAL;
329		goto fail1;
330	}
331
332	req.emr_cmd = MC_CMD_READ_SENSORS;
333	req.emr_in_buf = payload;
334	req.emr_in_length = MC_CMD_READ_SENSORS_EXT_IN_LEN;
335	req.emr_out_buf = payload;
336	req.emr_out_length = MC_CMD_READ_SENSORS_EXT_OUT_LEN;
337
338	addr_lo = (uint32_t)(EFSYS_MEM_ADDR(esmp) & 0xffffffff);
339	addr_hi = (uint32_t)(EFSYS_MEM_ADDR(esmp) >> 32);
340
341	MCDI_IN_SET_DWORD(req, READ_SENSORS_EXT_IN_DMA_ADDR_LO, addr_lo);
342	MCDI_IN_SET_DWORD(req, READ_SENSORS_EXT_IN_DMA_ADDR_HI, addr_hi);
343	MCDI_IN_SET_DWORD(req, READ_SENSORS_EXT_IN_LENGTH, size);
344
345	efx_mcdi_execute(enp, &req);
346
347	return (req.emr_rc);
348
349fail1:
350	EFSYS_PROBE1(fail1, efx_rc_t, rc);
351
352	return (rc);
353}
354
355static	__checkReturn	efx_rc_t
356efx_mcdi_sensor_info_npages(
357	__in		efx_nic_t *enp,
358	__out		uint32_t *npagesp)
359{
360	efx_mcdi_req_t req;
361	EFX_MCDI_DECLARE_BUF(payload, MC_CMD_SENSOR_INFO_EXT_IN_LEN,
362		MC_CMD_SENSOR_INFO_OUT_LENMAX);
363	int page;
364	efx_rc_t rc;
365
366	EFSYS_ASSERT(npagesp != NULL);
367
368	page = 0;
369	do {
370		(void) memset(payload, 0, sizeof (payload));
371		req.emr_cmd = MC_CMD_SENSOR_INFO;
372		req.emr_in_buf = payload;
373		req.emr_in_length = MC_CMD_SENSOR_INFO_EXT_IN_LEN;
374		req.emr_out_buf = payload;
375		req.emr_out_length = MC_CMD_SENSOR_INFO_OUT_LENMAX;
376
377		MCDI_IN_SET_DWORD(req, SENSOR_INFO_EXT_IN_PAGE, page++);
378
379		efx_mcdi_execute_quiet(enp, &req);
380
381		if (req.emr_rc != 0) {
382			rc = req.emr_rc;
383			goto fail1;
384		}
385	} while (MCDI_OUT_DWORD(req, SENSOR_INFO_OUT_MASK) &
386	    (1U << MC_CMD_SENSOR_PAGE0_NEXT));
387
388	*npagesp = page;
389
390	return (0);
391
392fail1:
393	EFSYS_PROBE1(fail1, efx_rc_t, rc);
394
395	return (rc);
396}
397
398static	__checkReturn		efx_rc_t
399efx_mcdi_sensor_info(
400	__in			efx_nic_t *enp,
401	__out_ecount(npages)	uint32_t *sensor_maskp,
402	__in			size_t npages)
403{
404	efx_mcdi_req_t req;
405	EFX_MCDI_DECLARE_BUF(payload, MC_CMD_SENSOR_INFO_EXT_IN_LEN,
406		MC_CMD_SENSOR_INFO_OUT_LENMAX);
407	uint32_t page;
408	efx_rc_t rc;
409
410	EFSYS_ASSERT(sensor_maskp != NULL);
411
412	if (npages < 1) {
413		rc = EINVAL;
414		goto fail1;
415	}
416
417	for (page = 0; page < npages; page++) {
418		uint32_t mask;
419
420		(void) memset(payload, 0, sizeof (payload));
421		req.emr_cmd = MC_CMD_SENSOR_INFO;
422		req.emr_in_buf = payload;
423		req.emr_in_length = MC_CMD_SENSOR_INFO_EXT_IN_LEN;
424		req.emr_out_buf = payload;
425		req.emr_out_length = MC_CMD_SENSOR_INFO_OUT_LENMAX;
426
427		MCDI_IN_SET_DWORD(req, SENSOR_INFO_EXT_IN_PAGE, page);
428
429		efx_mcdi_execute(enp, &req);
430
431		if (req.emr_rc != 0) {
432			rc = req.emr_rc;
433			goto fail2;
434		}
435
436		mask = MCDI_OUT_DWORD(req, SENSOR_INFO_OUT_MASK);
437
438		if ((page != (npages - 1)) &&
439		    ((mask & (1U << MC_CMD_SENSOR_PAGE0_NEXT)) == 0)) {
440			rc = EINVAL;
441			goto fail3;
442		}
443		sensor_maskp[page] = mask;
444	}
445
446	if (sensor_maskp[npages - 1] & (1U << MC_CMD_SENSOR_PAGE0_NEXT)) {
447		rc = EINVAL;
448		goto fail4;
449	}
450
451	return (0);
452
453fail4:
454	EFSYS_PROBE(fail4);
455fail3:
456	EFSYS_PROBE(fail3);
457fail2:
458	EFSYS_PROBE(fail2);
459fail1:
460	EFSYS_PROBE1(fail1, efx_rc_t, rc);
461
462	return (rc);
463}
464
465	__checkReturn			efx_rc_t
466mcdi_mon_stats_update(
467	__in				efx_nic_t *enp,
468	__in				efsys_mem_t *esmp,
469	__inout_ecount(EFX_MON_NSTATS)	efx_mon_stat_value_t *values)
470{
471	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
472	uint32_t size = encp->enc_mon_stat_dma_buf_size;
473	efx_rc_t rc;
474
475	if ((rc = efx_mcdi_read_sensors(enp, esmp, size)) != 0)
476		goto fail1;
477
478	EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, size);
479
480	mcdi_mon_decode_stats(enp,
481	    encp->enc_mcdi_sensor_maskp,
482	    encp->enc_mcdi_sensor_mask_size,
483	    esmp, NULL, values);
484
485	return (0);
486
487fail1:
488	EFSYS_PROBE1(fail1, efx_rc_t, rc);
489
490	return (rc);
491}
492
493	__checkReturn	efx_rc_t
494mcdi_mon_cfg_build(
495	__in		efx_nic_t *enp)
496{
497	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
498	uint32_t npages;
499	efx_rc_t rc;
500
501	switch (enp->en_family) {
502#if EFSYS_OPT_SIENA
503	case EFX_FAMILY_SIENA:
504		encp->enc_mon_type = EFX_MON_SFC90X0;
505		break;
506#endif
507#if EFSYS_OPT_HUNTINGTON
508	case EFX_FAMILY_HUNTINGTON:
509		encp->enc_mon_type = EFX_MON_SFC91X0;
510		break;
511#endif
512#if EFSYS_OPT_MEDFORD
513	case EFX_FAMILY_MEDFORD:
514		encp->enc_mon_type = EFX_MON_SFC92X0;
515		break;
516#endif
517	default:
518		rc = EINVAL;
519		goto fail1;
520	}
521
522	/* Get mc sensor mask size */
523	npages = 0;
524	if ((rc = efx_mcdi_sensor_info_npages(enp, &npages)) != 0)
525		goto fail2;
526
527	encp->enc_mon_stat_dma_buf_size	= npages * EFX_MON_STATS_PAGE_SIZE;
528	encp->enc_mcdi_sensor_mask_size = npages * sizeof (uint32_t);
529
530	/* Allocate mc sensor mask */
531	EFSYS_KMEM_ALLOC(enp->en_esip,
532	    encp->enc_mcdi_sensor_mask_size,
533	    encp->enc_mcdi_sensor_maskp);
534
535	if (encp->enc_mcdi_sensor_maskp == NULL) {
536		rc = ENOMEM;
537		goto fail3;
538	}
539
540	/* Read mc sensor mask */
541	if ((rc = efx_mcdi_sensor_info(enp,
542		    encp->enc_mcdi_sensor_maskp,
543		    npages)) != 0)
544		goto fail4;
545
546	/* Build monitor statistics mask */
547	mcdi_mon_decode_stats(enp,
548	    encp->enc_mcdi_sensor_maskp,
549	    encp->enc_mcdi_sensor_mask_size,
550	    NULL, encp->enc_mon_stat_mask, NULL);
551
552	return (0);
553
554fail4:
555	EFSYS_PROBE(fail4);
556	EFSYS_KMEM_FREE(enp->en_esip,
557	    encp->enc_mcdi_sensor_mask_size,
558	    encp->enc_mcdi_sensor_maskp);
559
560fail3:
561	EFSYS_PROBE(fail3);
562
563fail2:
564	EFSYS_PROBE(fail2);
565
566fail1:
567	EFSYS_PROBE1(fail1, efx_rc_t, rc);
568
569	return (rc);
570}
571
572			void
573mcdi_mon_cfg_free(
574	__in		efx_nic_t *enp)
575{
576	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
577
578	if (encp->enc_mcdi_sensor_maskp != NULL) {
579		EFSYS_KMEM_FREE(enp->en_esip,
580		    encp->enc_mcdi_sensor_mask_size,
581		    encp->enc_mcdi_sensor_maskp);
582	}
583}
584
585
586#endif	/* EFSYS_OPT_MON_STATS */
587
588#endif	/* EFSYS_OPT_MON_MCDI */
589