mcdi_mon.c revision 284555
1/*-
2 * Copyright (c) 2009-2015 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/10/sys/dev/sfxge/common/mcdi_mon.c 284555 2015-06-18 15:46:39Z arybchik $");
33
34#include "efsys.h"
35#include "efx.h"
36#include "efx_impl.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/* Entry for MCDI sensor in sensor map */
55#define	STAT(portmask, stat)	\
56	{ (MCDI_MON_PORT_##portmask), (EFX_MON_STAT_##stat) }
57
58/* Entry for sensor next page flag in sensor map */
59#define	STAT_NEXT_PAGE()	\
60	{ MCDI_MON_PORT_NONE, MCDI_MON_NEXT_PAGE }
61
62/* Placeholder for gaps in the array */
63#define	STAT_NO_SENSOR()	\
64	{ MCDI_MON_PORT_NONE, MCDI_MON_INVALID_SENSOR }
65
66/* Map from MC sensors to monitor statistics */
67static const struct mcdi_sensor_map_s {
68	uint16_t	msm_port_mask;
69	uint16_t	msm_stat;
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) */
104
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) */
140
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};
153
154#define	MCDI_STATIC_SENSOR_ASSERT(_field)				\
155	EFX_STATIC_ASSERT(MC_CMD_SENSOR_STATE_ ## _field		\
156			    == EFX_MON_STAT_STATE_ ## _field)
157
158static						void
159mcdi_mon_decode_stats(
160	__in					efx_nic_t *enp,
161	__in_ecount(sensor_mask_size)		uint32_t *sensor_mask,
162	__in					size_t sensor_mask_size,
163	__in_opt				efsys_mem_t *esmp,
164	__out_ecount_opt(sensor_mask_size)	uint32_t *stat_maskp,
165	__out_ecount_opt(EFX_MON_NSTATS)	efx_mon_stat_value_t *stat)
166{
167	efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
168	uint16_t port_mask;
169	uint16_t sensor;
170	size_t sensor_max;
171	uint32_t stat_mask[(EFX_ARRAY_SIZE(mcdi_sensor_map) + 31) / 32];
172	uint32_t idx = 0;
173	uint32_t page = 0;
174
175	/* Assert the MC_CMD_SENSOR and EFX_MON_STATE namespaces agree */
176	MCDI_STATIC_SENSOR_ASSERT(OK);
177	MCDI_STATIC_SENSOR_ASSERT(WARNING);
178	MCDI_STATIC_SENSOR_ASSERT(FATAL);
179	MCDI_STATIC_SENSOR_ASSERT(BROKEN);
180	MCDI_STATIC_SENSOR_ASSERT(NO_READING);
181
182	EFX_STATIC_ASSERT(sizeof (stat_mask[0]) * 8 ==
183	    EFX_MON_MASK_ELEMENT_SIZE);
184	sensor_max =
185	    MIN((8 * sensor_mask_size), EFX_ARRAY_SIZE(mcdi_sensor_map));
186
187	port_mask = 1U << emip->emi_port;
188
189	memset(stat_mask, 0, sizeof (stat_mask));
190
191	/*
192	 * The MCDI sensor readings in the DMA buffer are a packed array of
193	 * MC_CMD_SENSOR_VALUE_ENTRY structures, which only includes entries for
194	 * supported sensors (bit set in sensor_mask). The sensor_mask and
195	 * sensor readings do not include entries for the per-page NEXT_PAGE
196	 * flag.
197	 *
198	 * sensor_mask may legitimately contain MCDI sensors that the driver
199	 * does not understand.
200	 */
201	for (sensor = 0; sensor < sensor_max; ++sensor) {
202		efx_mon_stat_t id = mcdi_sensor_map[sensor].msm_stat;
203
204		if ((sensor % MCDI_MON_PAGE_SIZE) == MC_CMD_SENSOR_PAGE0_NEXT) {
205			EFSYS_ASSERT3U(id, ==, MCDI_MON_NEXT_PAGE);
206			page++;
207			continue;
208		}
209		if (~(sensor_mask[page]) & (1U << sensor))
210			continue;
211		idx++;
212
213		if ((port_mask & mcdi_sensor_map[sensor].msm_port_mask) == 0)
214			continue;
215		EFSYS_ASSERT(id < EFX_MON_NSTATS);
216
217		/*
218		 * stat_mask is a bitmask indexed by EFX_MON_* monitor statistic
219		 * identifiers from efx_mon_stat_t (without NEXT_PAGE bits).
220		 *
221		 * If there is an entry in the MCDI sensor to monitor statistic
222		 * map then the sensor reading is used for the value of the
223		 * monitor statistic.
224		 */
225		stat_mask[id / EFX_MON_MASK_ELEMENT_SIZE] |=
226		    (1U << (id % EFX_MON_MASK_ELEMENT_SIZE));
227
228		if (stat != NULL && esmp != NULL && !EFSYS_MEM_IS_NULL(esmp)) {
229			efx_dword_t dword;
230
231			/* Get MCDI sensor reading from DMA buffer */
232			EFSYS_MEM_READD(esmp, 4 * (idx - 1), &dword);
233
234			/* Update EFX monitor stat from MCDI sensor reading */
235			stat[id].emsv_value = (uint16_t)EFX_DWORD_FIELD(dword,
236			    MC_CMD_SENSOR_VALUE_ENTRY_TYPEDEF_VALUE);
237
238			stat[id].emsv_state = (uint16_t)EFX_DWORD_FIELD(dword,
239			    MC_CMD_SENSOR_VALUE_ENTRY_TYPEDEF_STATE);
240		}
241	}
242
243	if (stat_maskp != NULL) {
244		memcpy(stat_maskp, stat_mask, sizeof (stat_mask));
245	}
246}
247
248	__checkReturn			int
249mcdi_mon_ev(
250	__in				efx_nic_t *enp,
251	__in				efx_qword_t *eqp,
252	__out				efx_mon_stat_t *idp,
253	__out				efx_mon_stat_value_t *valuep)
254{
255	efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
256	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
257	uint16_t port_mask;
258	uint16_t sensor;
259	uint16_t state;
260	uint16_t value;
261	efx_mon_stat_t id;
262	int rc;
263
264	port_mask = (emip->emi_port == 1)
265	    ? MCDI_MON_PORT_P1
266	    : MCDI_MON_PORT_P2;
267
268	sensor = (uint16_t)MCDI_EV_FIELD(eqp, SENSOREVT_MONITOR);
269	state = (uint16_t)MCDI_EV_FIELD(eqp, SENSOREVT_STATE);
270	value = (uint16_t)MCDI_EV_FIELD(eqp, SENSOREVT_VALUE);
271
272	/* Hardware must support this MCDI sensor */
273	EFSYS_ASSERT3U(sensor, <, (8 * encp->enc_mcdi_sensor_mask_size));
274	EFSYS_ASSERT((sensor % MCDI_MON_PAGE_SIZE) != MC_CMD_SENSOR_PAGE0_NEXT);
275	EFSYS_ASSERT(encp->enc_mcdi_sensor_maskp != NULL);
276	EFSYS_ASSERT((encp->enc_mcdi_sensor_maskp[sensor / MCDI_MON_PAGE_SIZE] &
277		(1U << (sensor % MCDI_MON_PAGE_SIZE))) != 0);
278
279	/* But we don't have to understand it */
280	if (sensor >= EFX_ARRAY_SIZE(mcdi_sensor_map)) {
281		rc = ENOTSUP;
282		goto fail1;
283	}
284	id = mcdi_sensor_map[sensor].msm_stat;
285	if ((port_mask & mcdi_sensor_map[sensor].msm_port_mask) == 0)
286		return (ENODEV);
287	EFSYS_ASSERT(id < EFX_MON_NSTATS);
288
289	*idp = id;
290	valuep->emsv_value = value;
291	valuep->emsv_state = state;
292
293	return (0);
294
295fail1:
296	EFSYS_PROBE1(fail1, int, rc);
297
298	return (rc);
299}
300
301
302static	__checkReturn	int
303efx_mcdi_read_sensors(
304	__in		efx_nic_t *enp,
305	__in		efsys_mem_t *esmp,
306	__in		uint32_t size)
307{
308	efx_mcdi_req_t req;
309	uint8_t payload[MAX(MC_CMD_READ_SENSORS_EXT_IN_LEN,
310			    MC_CMD_READ_SENSORS_EXT_OUT_LEN)];
311	uint32_t addr_lo, addr_hi;
312
313	req.emr_cmd = MC_CMD_READ_SENSORS;
314	req.emr_in_buf = payload;
315	req.emr_in_length = MC_CMD_READ_SENSORS_EXT_IN_LEN;
316	req.emr_out_buf = payload;
317	req.emr_out_length = MC_CMD_READ_SENSORS_EXT_OUT_LEN;
318
319	addr_lo = (uint32_t)(EFSYS_MEM_ADDR(esmp) & 0xffffffff);
320	addr_hi = (uint32_t)(EFSYS_MEM_ADDR(esmp) >> 32);
321
322	MCDI_IN_SET_DWORD(req, READ_SENSORS_EXT_IN_DMA_ADDR_LO, addr_lo);
323	MCDI_IN_SET_DWORD(req, READ_SENSORS_EXT_IN_DMA_ADDR_HI, addr_hi);
324	MCDI_IN_SET_DWORD(req, READ_SENSORS_EXT_IN_LENGTH, size);
325
326	efx_mcdi_execute(enp, &req);
327
328	return (req.emr_rc);
329}
330
331static	__checkReturn	int
332efx_mcdi_sensor_info_npages(
333	__in		efx_nic_t *enp,
334	__out		uint32_t *npagesp)
335{
336	efx_mcdi_req_t req;
337	uint8_t payload[MAX(MC_CMD_SENSOR_INFO_EXT_IN_LEN,
338			    MC_CMD_SENSOR_INFO_OUT_LENMAX)];
339	int page;
340	int rc;
341
342	EFSYS_ASSERT(npagesp != NULL);
343
344	page = 0;
345	do {
346		(void) memset(payload, 0, sizeof (payload));
347		req.emr_cmd = MC_CMD_SENSOR_INFO;
348		req.emr_in_buf = payload;
349		req.emr_in_length = MC_CMD_SENSOR_INFO_EXT_IN_LEN;
350		req.emr_out_buf = payload;
351		req.emr_out_length = MC_CMD_SENSOR_INFO_OUT_LENMAX;
352
353		MCDI_IN_SET_DWORD(req, SENSOR_INFO_EXT_IN_PAGE, page++);
354
355		efx_mcdi_execute_quiet(enp, &req);
356
357		if (req.emr_rc != 0) {
358			rc = req.emr_rc;
359			goto fail1;
360		}
361	} while (MCDI_OUT_DWORD(req, SENSOR_INFO_OUT_MASK) &
362	    (1 << MC_CMD_SENSOR_PAGE0_NEXT));
363
364	*npagesp = page;
365
366	return (0);
367
368fail1:
369	EFSYS_PROBE1(fail1, int, rc);
370
371	return (rc);
372}
373
374static	__checkReturn		int
375efx_mcdi_sensor_info(
376	__in			efx_nic_t *enp,
377	__out_ecount(npages)	uint32_t *sensor_maskp,
378	__in			size_t npages)
379{
380	efx_mcdi_req_t req;
381	uint8_t payload[MAX(MC_CMD_SENSOR_INFO_EXT_IN_LEN,
382			    MC_CMD_SENSOR_INFO_OUT_LENMAX)];
383	uint32_t page;
384	int rc;
385
386	EFSYS_ASSERT(sensor_maskp != NULL);
387
388	for (page = 0; page < npages; page++) {
389		uint32_t mask;
390
391		(void) memset(payload, 0, sizeof (payload));
392		req.emr_cmd = MC_CMD_SENSOR_INFO;
393		req.emr_in_buf = payload;
394		req.emr_in_length = MC_CMD_SENSOR_INFO_EXT_IN_LEN;
395		req.emr_out_buf = payload;
396		req.emr_out_length = MC_CMD_SENSOR_INFO_OUT_LENMAX;
397
398		MCDI_IN_SET_DWORD(req, SENSOR_INFO_EXT_IN_PAGE, page);
399
400		efx_mcdi_execute(enp, &req);
401
402		if (req.emr_rc != 0) {
403			rc = req.emr_rc;
404			goto fail1;
405		}
406
407		mask = MCDI_OUT_DWORD(req, SENSOR_INFO_OUT_MASK);
408
409		if ((page != (npages - 1)) &&
410		    ((mask & (1U << MC_CMD_SENSOR_PAGE0_NEXT)) == 0)) {
411			rc = EINVAL;
412			goto fail2;
413		}
414		sensor_maskp[page] = mask;
415	}
416
417	if (sensor_maskp[npages - 1] & (1U << MC_CMD_SENSOR_PAGE0_NEXT)) {
418		rc = EINVAL;
419		goto fail3;
420	}
421
422	return (0);
423
424fail3:
425	EFSYS_PROBE(fail3);
426fail2:
427	EFSYS_PROBE(fail2);
428fail1:
429	EFSYS_PROBE1(fail1, int, rc);
430
431	return (rc);
432}
433
434	__checkReturn			int
435mcdi_mon_stats_update(
436	__in				efx_nic_t *enp,
437	__in				efsys_mem_t *esmp,
438	__out_ecount(EFX_MON_NSTATS)	efx_mon_stat_value_t *values)
439{
440	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
441	uint32_t size = encp->enc_mon_stat_dma_buf_size;
442	int rc;
443
444	if ((rc = efx_mcdi_read_sensors(enp, esmp, size)) != 0)
445		goto fail1;
446
447	EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, size);
448
449	mcdi_mon_decode_stats(enp,
450	    encp->enc_mcdi_sensor_maskp,
451	    encp->enc_mcdi_sensor_mask_size,
452	    esmp, NULL, values);
453
454	return (0);
455
456fail1:
457	EFSYS_PROBE1(fail1, int, rc);
458
459	return (rc);
460}
461
462	__checkReturn	int
463mcdi_mon_cfg_build(
464	__in		efx_nic_t *enp)
465{
466	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
467	uint32_t npages;
468	int rc;
469
470	switch (enp->en_family) {
471#if EFSYS_OPT_SIENA
472	case EFX_FAMILY_SIENA:
473		encp->enc_mon_type = EFX_MON_SFC90X0;
474		break;
475#endif
476#if EFSYS_OPT_HUNTINGTON
477	case EFX_FAMILY_HUNTINGTON:
478		encp->enc_mon_type = EFX_MON_SFC91X0;
479		break;
480#endif
481	default:
482		rc = EINVAL;
483		goto fail1;
484	}
485
486	/* Get mc sensor mask size */
487	npages = 0;
488	if ((rc = efx_mcdi_sensor_info_npages(enp, &npages)) != 0)
489		goto fail2;
490
491	encp->enc_mon_stat_dma_buf_size	= npages * EFX_MON_STATS_PAGE_SIZE;
492	encp->enc_mcdi_sensor_mask_size = npages * sizeof (uint32_t);
493
494	/* Allocate mc sensor mask */
495	EFSYS_KMEM_ALLOC(enp->en_esip,
496	    encp->enc_mcdi_sensor_mask_size,
497	    encp->enc_mcdi_sensor_maskp);
498
499	if (encp->enc_mcdi_sensor_maskp == NULL) {
500		rc = ENOMEM;
501		goto fail3;
502	}
503
504	/* Read mc sensor mask */
505	if ((rc = efx_mcdi_sensor_info(enp,
506		    encp->enc_mcdi_sensor_maskp,
507		    npages)) != 0)
508		goto fail4;
509
510	/* Build monitor statistics mask */
511	mcdi_mon_decode_stats(enp,
512	    encp->enc_mcdi_sensor_maskp,
513	    encp->enc_mcdi_sensor_mask_size,
514	    NULL, encp->enc_mon_stat_mask, NULL);
515
516	return (0);
517
518fail4:
519	EFSYS_PROBE(fail4);
520	EFSYS_KMEM_FREE(enp->en_esip,
521	    encp->enc_mcdi_sensor_mask_size,
522	    encp->enc_mcdi_sensor_maskp);
523
524fail3:
525	EFSYS_PROBE(fail3);
526
527fail2:
528	EFSYS_PROBE(fail2);
529
530fail1:
531	EFSYS_PROBE1(fail1, int, rc);
532
533	return (rc);
534}
535
536			void
537mcdi_mon_cfg_free(
538	__in		efx_nic_t *enp)
539{
540	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
541
542	if (encp->enc_mcdi_sensor_maskp != NULL) {
543		EFSYS_KMEM_FREE(enp->en_esip,
544		    encp->enc_mcdi_sensor_mask_size,
545		    encp->enc_mcdi_sensor_maskp);
546	}
547}
548
549
550#endif	/* EFSYS_OPT_MON_STATS */
551
552#endif	/* EFSYS_OPT_MON_MCDI */
553