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path: root/drivers/net/sfc/base/mcdi_mon.c
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Diffstat (limited to 'drivers/net/sfc/base/mcdi_mon.c')
-rw-r--r--drivers/net/sfc/base/mcdi_mon.c565
1 files changed, 565 insertions, 0 deletions
diff --git a/drivers/net/sfc/base/mcdi_mon.c b/drivers/net/sfc/base/mcdi_mon.c
new file mode 100644
index 00000000..c5360c31
--- /dev/null
+++ b/drivers/net/sfc/base/mcdi_mon.c
@@ -0,0 +1,565 @@
+/*
+ * Copyright (c) 2009-2016 Solarflare Communications Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are
+ * those of the authors and should not be interpreted as representing official
+ * policies, either expressed or implied, of the FreeBSD Project.
+ */
+
+#include "efx.h"
+#include "efx_impl.h"
+
+#if EFSYS_OPT_MON_MCDI
+
+#if EFSYS_OPT_MON_STATS
+
+#define MCDI_MON_NEXT_PAGE ((uint16_t)0xfffe)
+#define MCDI_MON_INVALID_SENSOR ((uint16_t)0xfffd)
+#define MCDI_MON_PAGE_SIZE 0x20
+
+/* Bitmasks of valid port(s) for each sensor */
+#define MCDI_MON_PORT_NONE (0x00)
+#define MCDI_MON_PORT_P1 (0x01)
+#define MCDI_MON_PORT_P2 (0x02)
+#define MCDI_MON_PORT_P3 (0x04)
+#define MCDI_MON_PORT_P4 (0x08)
+#define MCDI_MON_PORT_Px (0xFFFF)
+
+/* Get port mask from one-based MCDI port number */
+#define MCDI_MON_PORT_MASK(_emip) (1U << ((_emip)->emi_port - 1))
+
+/* Entry for MCDI sensor in sensor map */
+#define STAT(portmask, stat) \
+ { (MCDI_MON_PORT_##portmask), (EFX_MON_STAT_##stat) }
+
+/* Entry for sensor next page flag in sensor map */
+#define STAT_NEXT_PAGE() \
+ { MCDI_MON_PORT_NONE, MCDI_MON_NEXT_PAGE }
+
+/* Placeholder for gaps in the array */
+#define STAT_NO_SENSOR() \
+ { MCDI_MON_PORT_NONE, MCDI_MON_INVALID_SENSOR }
+
+/* Map from MC sensors to monitor statistics */
+static const struct mcdi_sensor_map_s {
+ uint16_t msm_port_mask;
+ uint16_t msm_stat;
+} mcdi_sensor_map[] = {
+ /* Sensor page 0 MC_CMD_SENSOR_xxx */
+ STAT(Px, INT_TEMP), /* 0x00 CONTROLLER_TEMP */
+ STAT(Px, EXT_TEMP), /* 0x01 PHY_COMMON_TEMP */
+ STAT(Px, INT_COOLING), /* 0x02 CONTROLLER_COOLING */
+ STAT(P1, EXT_TEMP), /* 0x03 PHY0_TEMP */
+ STAT(P1, EXT_COOLING), /* 0x04 PHY0_COOLING */
+ STAT(P2, EXT_TEMP), /* 0x05 PHY1_TEMP */
+ STAT(P2, EXT_COOLING), /* 0x06 PHY1_COOLING */
+ STAT(Px, 1V), /* 0x07 IN_1V0 */
+ STAT(Px, 1_2V), /* 0x08 IN_1V2 */
+ STAT(Px, 1_8V), /* 0x09 IN_1V8 */
+ STAT(Px, 2_5V), /* 0x0a IN_2V5 */
+ STAT(Px, 3_3V), /* 0x0b IN_3V3 */
+ STAT(Px, 12V), /* 0x0c IN_12V0 */
+ STAT(Px, 1_2VA), /* 0x0d IN_1V2A */
+ STAT(Px, VREF), /* 0x0e IN_VREF */
+ STAT(Px, VAOE), /* 0x0f OUT_VAOE */
+ STAT(Px, AOE_TEMP), /* 0x10 AOE_TEMP */
+ STAT(Px, PSU_AOE_TEMP), /* 0x11 PSU_AOE_TEMP */
+ STAT(Px, PSU_TEMP), /* 0x12 PSU_TEMP */
+ STAT(Px, FAN0), /* 0x13 FAN_0 */
+ STAT(Px, FAN1), /* 0x14 FAN_1 */
+ STAT(Px, FAN2), /* 0x15 FAN_2 */
+ STAT(Px, FAN3), /* 0x16 FAN_3 */
+ STAT(Px, FAN4), /* 0x17 FAN_4 */
+ STAT(Px, VAOE_IN), /* 0x18 IN_VAOE */
+ STAT(Px, IAOE), /* 0x19 OUT_IAOE */
+ STAT(Px, IAOE_IN), /* 0x1a IN_IAOE */
+ STAT(Px, NIC_POWER), /* 0x1b NIC_POWER */
+ STAT(Px, 0_9V), /* 0x1c IN_0V9 */
+ STAT(Px, I0_9V), /* 0x1d IN_I0V9 */
+ STAT(Px, I1_2V), /* 0x1e IN_I1V2 */
+ STAT_NEXT_PAGE(), /* 0x1f Next page flag (not a sensor) */
+
+ /* Sensor page 1 MC_CMD_SENSOR_xxx */
+ STAT(Px, 0_9V_ADC), /* 0x20 IN_0V9_ADC */
+ STAT(Px, INT_TEMP2), /* 0x21 CONTROLLER_2_TEMP */
+ STAT(Px, VREG_TEMP), /* 0x22 VREG_INTERNAL_TEMP */
+ STAT(Px, VREG_0_9V_TEMP), /* 0x23 VREG_0V9_TEMP */
+ STAT(Px, VREG_1_2V_TEMP), /* 0x24 VREG_1V2_TEMP */
+ STAT(Px, INT_VPTAT), /* 0x25 CTRLR. VPTAT */
+ STAT(Px, INT_ADC_TEMP), /* 0x26 CTRLR. INTERNAL_TEMP */
+ STAT(Px, EXT_VPTAT), /* 0x27 CTRLR. VPTAT_EXTADC */
+ STAT(Px, EXT_ADC_TEMP), /* 0x28 CTRLR. INTERNAL_TEMP_EXTADC */
+ STAT(Px, AMBIENT_TEMP), /* 0x29 AMBIENT_TEMP */
+ STAT(Px, AIRFLOW), /* 0x2a AIRFLOW */
+ STAT(Px, VDD08D_VSS08D_CSR), /* 0x2b VDD08D_VSS08D_CSR */
+ STAT(Px, VDD08D_VSS08D_CSR_EXTADC), /* 0x2c VDD08D_VSS08D_CSR_EXTADC */
+ STAT(Px, HOTPOINT_TEMP), /* 0x2d HOTPOINT_TEMP */
+ STAT(P1, PHY_POWER_SWITCH_PORT0), /* 0x2e PHY_POWER_SWITCH_PORT0 */
+ STAT(P2, PHY_POWER_SWITCH_PORT1), /* 0x2f PHY_POWER_SWITCH_PORT1 */
+ STAT(Px, MUM_VCC), /* 0x30 MUM_VCC */
+ STAT(Px, 0V9_A), /* 0x31 0V9_A */
+ STAT(Px, I0V9_A), /* 0x32 I0V9_A */
+ STAT(Px, 0V9_A_TEMP), /* 0x33 0V9_A_TEMP */
+ STAT(Px, 0V9_B), /* 0x34 0V9_B */
+ STAT(Px, I0V9_B), /* 0x35 I0V9_B */
+ STAT(Px, 0V9_B_TEMP), /* 0x36 0V9_B_TEMP */
+ STAT(Px, CCOM_AVREG_1V2_SUPPLY), /* 0x37 CCOM_AVREG_1V2_SUPPLY */
+ STAT(Px, CCOM_AVREG_1V2_SUPPLY_EXT_ADC),
+ /* 0x38 CCOM_AVREG_1V2_SUPPLY_EXT_ADC */
+ STAT(Px, CCOM_AVREG_1V8_SUPPLY), /* 0x39 CCOM_AVREG_1V8_SUPPLY */
+ STAT(Px, CCOM_AVREG_1V8_SUPPLY_EXT_ADC),
+ /* 0x3a CCOM_AVREG_1V8_SUPPLY_EXT_ADC */
+ STAT_NO_SENSOR(), /* 0x3b (no sensor) */
+ STAT_NO_SENSOR(), /* 0x3c (no sensor) */
+ STAT_NO_SENSOR(), /* 0x3d (no sensor) */
+ STAT_NO_SENSOR(), /* 0x3e (no sensor) */
+ STAT_NEXT_PAGE(), /* 0x3f Next page flag (not a sensor) */
+
+ /* Sensor page 2 MC_CMD_SENSOR_xxx */
+ STAT(Px, CONTROLLER_MASTER_VPTAT), /* 0x40 MASTER_VPTAT */
+ STAT(Px, CONTROLLER_MASTER_INTERNAL_TEMP), /* 0x41 MASTER_INT_TEMP */
+ STAT(Px, CONTROLLER_MASTER_VPTAT_EXT_ADC), /* 0x42 MAST_VPTAT_EXT_ADC */
+ STAT(Px, CONTROLLER_MASTER_INTERNAL_TEMP_EXT_ADC),
+ /* 0x43 MASTER_INTERNAL_TEMP_EXT_ADC */
+ STAT(Px, CONTROLLER_SLAVE_VPTAT), /* 0x44 SLAVE_VPTAT */
+ STAT(Px, CONTROLLER_SLAVE_INTERNAL_TEMP), /* 0x45 SLAVE_INTERNAL_TEMP */
+ STAT(Px, CONTROLLER_SLAVE_VPTAT_EXT_ADC), /* 0x46 SLAVE_VPTAT_EXT_ADC */
+ STAT(Px, CONTROLLER_SLAVE_INTERNAL_TEMP_EXT_ADC),
+ /* 0x47 SLAVE_INTERNAL_TEMP_EXT_ADC */
+ STAT_NO_SENSOR(), /* 0x48 (no sensor) */
+ STAT(Px, SODIMM_VOUT), /* 0x49 SODIMM_VOUT */
+ STAT(Px, SODIMM_0_TEMP), /* 0x4a SODIMM_0_TEMP */
+ STAT(Px, SODIMM_1_TEMP), /* 0x4b SODIMM_1_TEMP */
+ STAT(Px, PHY0_VCC), /* 0x4c PHY0_VCC */
+ STAT(Px, PHY1_VCC), /* 0x4d PHY1_VCC */
+ STAT(Px, CONTROLLER_TDIODE_TEMP), /* 0x4e CONTROLLER_TDIODE_TEMP */
+ STAT(Px, BOARD_FRONT_TEMP), /* 0x4f BOARD_FRONT_TEMP */
+ STAT(Px, BOARD_BACK_TEMP), /* 0x50 BOARD_BACK_TEMP */
+};
+
+#define MCDI_STATIC_SENSOR_ASSERT(_field) \
+ EFX_STATIC_ASSERT(MC_CMD_SENSOR_STATE_ ## _field \
+ == EFX_MON_STAT_STATE_ ## _field)
+
+static void
+mcdi_mon_decode_stats(
+ __in efx_nic_t *enp,
+ __in_bcount(sensor_mask_size) uint32_t *sensor_mask,
+ __in size_t sensor_mask_size,
+ __in_opt efsys_mem_t *esmp,
+ __out_bcount_opt(sensor_mask_size) uint32_t *stat_maskp,
+ __inout_ecount_opt(EFX_MON_NSTATS) efx_mon_stat_value_t *stat)
+{
+ efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
+ uint16_t port_mask;
+ uint16_t sensor;
+ size_t sensor_max;
+ uint32_t stat_mask[(EFX_ARRAY_SIZE(mcdi_sensor_map) + 31) / 32];
+ uint32_t idx = 0;
+ uint32_t page = 0;
+
+ /* Assert the MC_CMD_SENSOR and EFX_MON_STATE namespaces agree */
+ MCDI_STATIC_SENSOR_ASSERT(OK);
+ MCDI_STATIC_SENSOR_ASSERT(WARNING);
+ MCDI_STATIC_SENSOR_ASSERT(FATAL);
+ MCDI_STATIC_SENSOR_ASSERT(BROKEN);
+ MCDI_STATIC_SENSOR_ASSERT(NO_READING);
+
+ EFX_STATIC_ASSERT(sizeof (stat_mask[0]) * 8 ==
+ EFX_MON_MASK_ELEMENT_SIZE);
+ sensor_max =
+ MIN((8 * sensor_mask_size), EFX_ARRAY_SIZE(mcdi_sensor_map));
+
+ EFSYS_ASSERT(emip->emi_port > 0); /* MCDI port number is one-based */
+ port_mask = MCDI_MON_PORT_MASK(emip);
+
+ memset(stat_mask, 0, sizeof (stat_mask));
+
+ /*
+ * The MCDI sensor readings in the DMA buffer are a packed array of
+ * MC_CMD_SENSOR_VALUE_ENTRY structures, which only includes entries for
+ * supported sensors (bit set in sensor_mask). The sensor_mask and
+ * sensor readings do not include entries for the per-page NEXT_PAGE
+ * flag.
+ *
+ * sensor_mask may legitimately contain MCDI sensors that the driver
+ * does not understand.
+ */
+ for (sensor = 0; sensor < sensor_max; ++sensor) {
+ efx_mon_stat_t id = mcdi_sensor_map[sensor].msm_stat;
+
+ if ((sensor % MCDI_MON_PAGE_SIZE) == MC_CMD_SENSOR_PAGE0_NEXT) {
+ EFSYS_ASSERT3U(id, ==, MCDI_MON_NEXT_PAGE);
+ page++;
+ continue;
+ }
+ if (~(sensor_mask[page]) & (1U << sensor))
+ continue;
+ idx++;
+
+ if ((port_mask & mcdi_sensor_map[sensor].msm_port_mask) == 0)
+ continue;
+ EFSYS_ASSERT(id < EFX_MON_NSTATS);
+
+ /*
+ * stat_mask is a bitmask indexed by EFX_MON_* monitor statistic
+ * identifiers from efx_mon_stat_t (without NEXT_PAGE bits).
+ *
+ * If there is an entry in the MCDI sensor to monitor statistic
+ * map then the sensor reading is used for the value of the
+ * monitor statistic.
+ */
+ stat_mask[id / EFX_MON_MASK_ELEMENT_SIZE] |=
+ (1U << (id % EFX_MON_MASK_ELEMENT_SIZE));
+
+ if (stat != NULL && esmp != NULL && !EFSYS_MEM_IS_NULL(esmp)) {
+ efx_dword_t dword;
+
+ /* Get MCDI sensor reading from DMA buffer */
+ EFSYS_MEM_READD(esmp, 4 * (idx - 1), &dword);
+
+ /* Update EFX monitor stat from MCDI sensor reading */
+ stat[id].emsv_value = (uint16_t)EFX_DWORD_FIELD(dword,
+ MC_CMD_SENSOR_VALUE_ENTRY_TYPEDEF_VALUE);
+
+ stat[id].emsv_state = (uint16_t)EFX_DWORD_FIELD(dword,
+ MC_CMD_SENSOR_VALUE_ENTRY_TYPEDEF_STATE);
+ }
+ }
+
+ if (stat_maskp != NULL) {
+ memcpy(stat_maskp, stat_mask, sizeof (stat_mask));
+ }
+}
+
+ __checkReturn efx_rc_t
+mcdi_mon_ev(
+ __in efx_nic_t *enp,
+ __in efx_qword_t *eqp,
+ __out efx_mon_stat_t *idp,
+ __out efx_mon_stat_value_t *valuep)
+{
+ efx_mcdi_iface_t *emip = &(enp->en_mcdi.em_emip);
+ efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
+ uint16_t port_mask;
+ uint16_t sensor;
+ uint16_t state;
+ uint16_t value;
+ efx_mon_stat_t id;
+ efx_rc_t rc;
+
+ EFSYS_ASSERT(emip->emi_port > 0); /* MCDI port number is one-based */
+ port_mask = MCDI_MON_PORT_MASK(emip);
+
+ sensor = (uint16_t)MCDI_EV_FIELD(eqp, SENSOREVT_MONITOR);
+ state = (uint16_t)MCDI_EV_FIELD(eqp, SENSOREVT_STATE);
+ value = (uint16_t)MCDI_EV_FIELD(eqp, SENSOREVT_VALUE);
+
+ /* Hardware must support this MCDI sensor */
+ EFSYS_ASSERT3U(sensor, <, (8 * encp->enc_mcdi_sensor_mask_size));
+ EFSYS_ASSERT((sensor % MCDI_MON_PAGE_SIZE) != MC_CMD_SENSOR_PAGE0_NEXT);
+ EFSYS_ASSERT(encp->enc_mcdi_sensor_maskp != NULL);
+ EFSYS_ASSERT((encp->enc_mcdi_sensor_maskp[sensor / MCDI_MON_PAGE_SIZE] &
+ (1U << (sensor % MCDI_MON_PAGE_SIZE))) != 0);
+
+ /* But we don't have to understand it */
+ if (sensor >= EFX_ARRAY_SIZE(mcdi_sensor_map)) {
+ rc = ENOTSUP;
+ goto fail1;
+ }
+ id = mcdi_sensor_map[sensor].msm_stat;
+ if ((port_mask & mcdi_sensor_map[sensor].msm_port_mask) == 0)
+ return (ENODEV);
+ EFSYS_ASSERT(id < EFX_MON_NSTATS);
+
+ *idp = id;
+ valuep->emsv_value = value;
+ valuep->emsv_state = state;
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+
+static __checkReturn efx_rc_t
+efx_mcdi_read_sensors(
+ __in efx_nic_t *enp,
+ __in efsys_mem_t *esmp,
+ __in uint32_t size)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_READ_SENSORS_EXT_IN_LEN,
+ MC_CMD_READ_SENSORS_EXT_OUT_LEN)];
+ uint32_t addr_lo, addr_hi;
+
+ req.emr_cmd = MC_CMD_READ_SENSORS;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_READ_SENSORS_EXT_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_READ_SENSORS_EXT_OUT_LEN;
+
+ addr_lo = (uint32_t)(EFSYS_MEM_ADDR(esmp) & 0xffffffff);
+ addr_hi = (uint32_t)(EFSYS_MEM_ADDR(esmp) >> 32);
+
+ MCDI_IN_SET_DWORD(req, READ_SENSORS_EXT_IN_DMA_ADDR_LO, addr_lo);
+ MCDI_IN_SET_DWORD(req, READ_SENSORS_EXT_IN_DMA_ADDR_HI, addr_hi);
+ MCDI_IN_SET_DWORD(req, READ_SENSORS_EXT_IN_LENGTH, size);
+
+ efx_mcdi_execute(enp, &req);
+
+ return (req.emr_rc);
+}
+
+static __checkReturn efx_rc_t
+efx_mcdi_sensor_info_npages(
+ __in efx_nic_t *enp,
+ __out uint32_t *npagesp)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_SENSOR_INFO_EXT_IN_LEN,
+ MC_CMD_SENSOR_INFO_OUT_LENMAX)];
+ int page;
+ efx_rc_t rc;
+
+ EFSYS_ASSERT(npagesp != NULL);
+
+ page = 0;
+ do {
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_SENSOR_INFO;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_SENSOR_INFO_EXT_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_SENSOR_INFO_OUT_LENMAX;
+
+ MCDI_IN_SET_DWORD(req, SENSOR_INFO_EXT_IN_PAGE, page++);
+
+ efx_mcdi_execute_quiet(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail1;
+ }
+ } while (MCDI_OUT_DWORD(req, SENSOR_INFO_OUT_MASK) &
+ (1U << MC_CMD_SENSOR_PAGE0_NEXT));
+
+ *npagesp = page;
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+static __checkReturn efx_rc_t
+efx_mcdi_sensor_info(
+ __in efx_nic_t *enp,
+ __out_ecount(npages) uint32_t *sensor_maskp,
+ __in size_t npages)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_SENSOR_INFO_EXT_IN_LEN,
+ MC_CMD_SENSOR_INFO_OUT_LENMAX)];
+ uint32_t page;
+ efx_rc_t rc;
+
+ EFSYS_ASSERT(sensor_maskp != NULL);
+
+ for (page = 0; page < npages; page++) {
+ uint32_t mask;
+
+ (void) memset(payload, 0, sizeof (payload));
+ req.emr_cmd = MC_CMD_SENSOR_INFO;
+ req.emr_in_buf = payload;
+ req.emr_in_length = MC_CMD_SENSOR_INFO_EXT_IN_LEN;
+ req.emr_out_buf = payload;
+ req.emr_out_length = MC_CMD_SENSOR_INFO_OUT_LENMAX;
+
+ MCDI_IN_SET_DWORD(req, SENSOR_INFO_EXT_IN_PAGE, page);
+
+ efx_mcdi_execute(enp, &req);
+
+ if (req.emr_rc != 0) {
+ rc = req.emr_rc;
+ goto fail1;
+ }
+
+ mask = MCDI_OUT_DWORD(req, SENSOR_INFO_OUT_MASK);
+
+ if ((page != (npages - 1)) &&
+ ((mask & (1U << MC_CMD_SENSOR_PAGE0_NEXT)) == 0)) {
+ rc = EINVAL;
+ goto fail2;
+ }
+ sensor_maskp[page] = mask;
+ }
+
+ if (sensor_maskp[npages - 1] & (1U << MC_CMD_SENSOR_PAGE0_NEXT)) {
+ rc = EINVAL;
+ goto fail3;
+ }
+
+ return (0);
+
+fail3:
+ EFSYS_PROBE(fail3);
+fail2:
+ EFSYS_PROBE(fail2);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+mcdi_mon_stats_update(
+ __in efx_nic_t *enp,
+ __in efsys_mem_t *esmp,
+ __inout_ecount(EFX_MON_NSTATS) efx_mon_stat_value_t *values)
+{
+ efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
+ uint32_t size = encp->enc_mon_stat_dma_buf_size;
+ efx_rc_t rc;
+
+ if ((rc = efx_mcdi_read_sensors(enp, esmp, size)) != 0)
+ goto fail1;
+
+ EFSYS_DMA_SYNC_FOR_KERNEL(esmp, 0, size);
+
+ mcdi_mon_decode_stats(enp,
+ encp->enc_mcdi_sensor_maskp,
+ encp->enc_mcdi_sensor_mask_size,
+ esmp, NULL, values);
+
+ return (0);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ __checkReturn efx_rc_t
+mcdi_mon_cfg_build(
+ __in efx_nic_t *enp)
+{
+ efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
+ uint32_t npages;
+ efx_rc_t rc;
+
+ switch (enp->en_family) {
+#if EFSYS_OPT_SIENA
+ case EFX_FAMILY_SIENA:
+ encp->enc_mon_type = EFX_MON_SFC90X0;
+ break;
+#endif
+#if EFSYS_OPT_HUNTINGTON
+ case EFX_FAMILY_HUNTINGTON:
+ encp->enc_mon_type = EFX_MON_SFC91X0;
+ break;
+#endif
+#if EFSYS_OPT_MEDFORD
+ case EFX_FAMILY_MEDFORD:
+ encp->enc_mon_type = EFX_MON_SFC92X0;
+ break;
+#endif
+ default:
+ rc = EINVAL;
+ goto fail1;
+ }
+
+ /* Get mc sensor mask size */
+ npages = 0;
+ if ((rc = efx_mcdi_sensor_info_npages(enp, &npages)) != 0)
+ goto fail2;
+
+ encp->enc_mon_stat_dma_buf_size = npages * EFX_MON_STATS_PAGE_SIZE;
+ encp->enc_mcdi_sensor_mask_size = npages * sizeof (uint32_t);
+
+ /* Allocate mc sensor mask */
+ EFSYS_KMEM_ALLOC(enp->en_esip,
+ encp->enc_mcdi_sensor_mask_size,
+ encp->enc_mcdi_sensor_maskp);
+
+ if (encp->enc_mcdi_sensor_maskp == NULL) {
+ rc = ENOMEM;
+ goto fail3;
+ }
+
+ /* Read mc sensor mask */
+ if ((rc = efx_mcdi_sensor_info(enp,
+ encp->enc_mcdi_sensor_maskp,
+ npages)) != 0)
+ goto fail4;
+
+ /* Build monitor statistics mask */
+ mcdi_mon_decode_stats(enp,
+ encp->enc_mcdi_sensor_maskp,
+ encp->enc_mcdi_sensor_mask_size,
+ NULL, encp->enc_mon_stat_mask, NULL);
+
+ return (0);
+
+fail4:
+ EFSYS_PROBE(fail4);
+ EFSYS_KMEM_FREE(enp->en_esip,
+ encp->enc_mcdi_sensor_mask_size,
+ encp->enc_mcdi_sensor_maskp);
+
+fail3:
+ EFSYS_PROBE(fail3);
+
+fail2:
+ EFSYS_PROBE(fail2);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+ void
+mcdi_mon_cfg_free(
+ __in efx_nic_t *enp)
+{
+ efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
+
+ if (encp->enc_mcdi_sensor_maskp != NULL) {
+ EFSYS_KMEM_FREE(enp->en_esip,
+ encp->enc_mcdi_sensor_mask_size,
+ encp->enc_mcdi_sensor_maskp);
+ }
+}
+
+
+#endif /* EFSYS_OPT_MON_STATS */
+
+#endif /* EFSYS_OPT_MON_MCDI */