1 /*-
2  * Copyright (c) 2009-2016 Solarflare Communications Inc.
40 /* Get port mask from one-based MCDI port number */
41 #define	MCDI_MON_PORT_MASK(_emip) (1U << ((_emip)->emi_port - 1))
56 	efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);  in mcdi_mon_decode_stats()
58 	uint16_t sensor;  in mcdi_mon_decode_stats()  local
73 	EFSYS_ASSERT(emip->emi_port > 0); /* MCDI port number is one-based */  in mcdi_mon_decode_stats()
79 	 * The MCDI sensor readings in the DMA buffer are a packed array of  in mcdi_mon_decode_stats()
82 	 * sensor readings do not include entries for the per-page NEXT_PAGE  in mcdi_mon_decode_stats()
88 	for (sensor = 0; sensor < sensor_max; ++sensor) {  in mcdi_mon_decode_stats()
89 		efx_mon_stat_t id;  in mcdi_mon_decode_stats()  local
94 		if ((sensor % (MC_CMD_SENSOR_PAGE0_NEXT + 1)) ==  in mcdi_mon_decode_stats()
98 			/* This sensor is one of the page boundary bits. */  in mcdi_mon_decode_stats()
101 		if (~(sensor_mask[page]) & (1U << sensor))  in mcdi_mon_decode_stats()
103 		/* This sensor not in DMA buffer */  in mcdi_mon_decode_stats()
108 		 * if we couldn't look up the id  in mcdi_mon_decode_stats()
111 		decode_ok = efx_mon_mcdi_to_efx_stat(sensor, &id);  in mcdi_mon_decode_stats()
113 		    decode_ok && efx_mon_get_stat_portmap(id, &stat_portmask);  in mcdi_mon_decode_stats()
119 		EFSYS_ASSERT(id < EFX_MON_NSTATS);  in mcdi_mon_decode_stats()
125 		 * If there is an entry in the MCDI sensor to monitor statistic  in mcdi_mon_decode_stats()
126 		 * map then the sensor reading is used for the value of the  in mcdi_mon_decode_stats()
129 		stat_mask[id / EFX_MON_MASK_ELEMENT_SIZE] |=  in mcdi_mon_decode_stats()
130 		    (1U << (id % EFX_MON_MASK_ELEMENT_SIZE));  in mcdi_mon_decode_stats()
135 			/* Get MCDI sensor reading from DMA buffer */  in mcdi_mon_decode_stats()
136 			EFSYS_MEM_READD(esmp, 4 * (idx - 1), &dword);  in mcdi_mon_decode_stats()
138 			/* Update EFX monitor stat from MCDI sensor reading */  in mcdi_mon_decode_stats()
139 			stat[id].emsv_value = (uint16_t)EFX_DWORD_FIELD(dword,  in mcdi_mon_decode_stats()
142 			stat[id].emsv_state = (uint16_t)EFX_DWORD_FIELD(dword,  in mcdi_mon_decode_stats()
145 			stat[id].emsv_unit =  in mcdi_mon_decode_stats()
146 			    efx_mon_get_stat_unit(id, &stat_unit) ?  in mcdi_mon_decode_stats()
163 	efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);  in mcdi_mon_ev()
165 	uint16_t sensor;  in mcdi_mon_ev()  local
168 	efx_mon_stat_t id;  in mcdi_mon_ev()  local
171 	EFSYS_ASSERT(emip->emi_port > 0); /* MCDI port number is one-based */  in mcdi_mon_ev()
174 	sensor = (uint16_t)MCDI_EV_FIELD(eqp, SENSOREVT_MONITOR);  in mcdi_mon_ev()
178 	/* Hardware must support this MCDI sensor */  in mcdi_mon_ev()
179 	EFSYS_ASSERT3U(sensor, <,  in mcdi_mon_ev()
180 	    (8 * enp->en_nic_cfg.enc_mcdi_sensor_mask_size));  in mcdi_mon_ev()
181 	EFSYS_ASSERT((sensor % (MC_CMD_SENSOR_PAGE0_NEXT + 1)) !=  in mcdi_mon_ev()
183 	EFSYS_ASSERT(enp->en_nic_cfg.enc_mcdi_sensor_maskp != NULL);  in mcdi_mon_ev()
184 	EFSYS_ASSERT((enp->en_nic_cfg.enc_mcdi_sensor_maskp[  in mcdi_mon_ev()
185 		    sensor / (MC_CMD_SENSOR_PAGE0_NEXT + 1)] &  in mcdi_mon_ev()
186 		(1U << (sensor % (MC_CMD_SENSOR_PAGE0_NEXT + 1)))) != 0);  in mcdi_mon_ev()
188 	/* And we need to understand it, to get port-map */  in mcdi_mon_ev()
189 	if (!efx_mon_mcdi_to_efx_stat(sensor, &id)) {  in mcdi_mon_ev()
193 	if (!(efx_mon_get_stat_portmap(id, &sensor_port_mask) &&  in mcdi_mon_ev()
197 	EFSYS_ASSERT(id < EFX_MON_NSTATS);  in mcdi_mon_ev()
199 	*idp = id;  in mcdi_mon_ev()
200 	valuep->emsv_value = value;  in mcdi_mon_ev()
201 	valuep->emsv_state = state;  in mcdi_mon_ev()
334 		if ((page != (npages - 1)) &&  in efx_mcdi_sensor_info()
342 	if (sensor_maskp[npages - 1] & (1U << MC_CMD_SENSOR_PAGE0_NEXT)) {  in efx_mcdi_sensor_info()
366 	__out_ecount((sizeof (*mask_part) * 8) - 1)
381 	    ((sizeof (*mask_part) * 8) - 1) * sizeof (efx_mon_stat_limits_t));
403 	*mask_part = maskp->ed_u32[0];
413 			mask_copy = mask_copy & ~(mask_copy ^ (mask_copy - 1));
415 			limits->emlv_warning_min = EFX_QWORD_FIELD(*limit_info,
418 			limits->emlv_warning_max = EFX_QWORD_FIELD(*limit_info,
421 			limits->emlv_fatal_min = EFX_QWORD_FIELD(*limit_info,
424 			limits->emlv_fatal_max = EFX_QWORD_FIELD(*limit_info,
446 	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);  in mcdi_mon_stats_update()
447 	uint32_t size = encp->enc_mon_stat_dma_buf_size;  in mcdi_mon_stats_update()
456 	    encp->enc_mcdi_sensor_maskp,  in mcdi_mon_stats_update()
457 	    encp->enc_mcdi_sensor_mask_size,  in mcdi_mon_stats_update()
478 	x = (input_mask ^ (input_mask - 1));  in lowest_set_bit()
512 	page--;  in mcdi_mon_limits_update()
562 	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);  in mcdi_mon_cfg_build()
566 	switch (enp->en_family) {  in mcdi_mon_cfg_build()
569 		encp->enc_mon_type = EFX_MON_SFC90X0;  in mcdi_mon_cfg_build()
574 		encp->enc_mon_type = EFX_MON_SFC91X0;  in mcdi_mon_cfg_build()
579 		encp->enc_mon_type = EFX_MON_SFC92X0;  in mcdi_mon_cfg_build()
584 		encp->enc_mon_type = EFX_MON_SFC92X0;  in mcdi_mon_cfg_build()
592 	/* Get mc sensor mask size */  in mcdi_mon_cfg_build()
597 	encp->enc_mon_stat_dma_buf_size	= npages * EFX_MON_STATS_PAGE_SIZE;  in mcdi_mon_cfg_build()
598 	encp->enc_mcdi_sensor_mask_size = npages * sizeof (uint32_t);  in mcdi_mon_cfg_build()
600 	/* Allocate mc sensor mask */  in mcdi_mon_cfg_build()
601 	EFSYS_KMEM_ALLOC(enp->en_esip,  in mcdi_mon_cfg_build()
602 	    encp->enc_mcdi_sensor_mask_size,  in mcdi_mon_cfg_build()
603 	    encp->enc_mcdi_sensor_maskp);  in mcdi_mon_cfg_build()
605 	if (encp->enc_mcdi_sensor_maskp == NULL) {  in mcdi_mon_cfg_build()
610 	/* Read mc sensor mask */  in mcdi_mon_cfg_build()
612 		    encp->enc_mcdi_sensor_maskp,  in mcdi_mon_cfg_build()
618 	    encp->enc_mcdi_sensor_maskp,  in mcdi_mon_cfg_build()
619 	    encp->enc_mcdi_sensor_mask_size,  in mcdi_mon_cfg_build()
620 	    NULL, encp->enc_mon_stat_mask, NULL);  in mcdi_mon_cfg_build()
626 	EFSYS_KMEM_FREE(enp->en_esip,  in mcdi_mon_cfg_build()
627 	    encp->enc_mcdi_sensor_mask_size,  in mcdi_mon_cfg_build()
628 	    encp->enc_mcdi_sensor_maskp);  in mcdi_mon_cfg_build()
646 	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);  in mcdi_mon_cfg_free()
648 	if (encp->enc_mcdi_sensor_maskp != NULL) {  in mcdi_mon_cfg_free()
649 		EFSYS_KMEM_FREE(enp->en_esip,  in mcdi_mon_cfg_free()
650 		    encp->enc_mcdi_sensor_mask_size,  in mcdi_mon_cfg_free()
651 		    encp->enc_mcdi_sensor_maskp);  in mcdi_mon_cfg_free()