@@ -774,6 +774,13 @@ typedef struct efx_mon_stat_value_s {
efx_mon_stat_unit_t emsv_unit;
} efx_mon_stat_value_t;
+typedef struct efx_mon_limit_value_s {
+ uint16_t emlv_warning_min;
+ uint16_t emlv_warning_max;
+ uint16_t emlv_fatal_min;
+ uint16_t emlv_fatal_max;
+} efx_mon_stat_limits_t;
+
typedef enum efx_mon_stat_portmask_e {
EFX_MON_STAT_PORTMAP_NONE = 0,
EFX_MON_STAT_PORTMAP_PORT0 = 1,
@@ -819,6 +826,11 @@ efx_mon_stats_update(
__in efsys_mem_t *esmp,
__inout_ecount(EFX_MON_NSTATS) efx_mon_stat_value_t *values);
+extern __checkReturn efx_rc_t
+efx_mon_limits_update(
+ __in efx_nic_t *enp,
+ __inout_ecount(EFX_MON_NSTATS) efx_mon_stat_limits_t *values);
+
#endif /* EFSYS_OPT_MON_STATS */
extern void
@@ -317,6 +317,8 @@ typedef struct efx_mon_ops_s {
#if EFSYS_OPT_MON_STATS
efx_rc_t (*emo_stats_update)(efx_nic_t *, efsys_mem_t *,
efx_mon_stat_value_t *);
+ efx_rc_t (*emo_limits_update)(efx_nic_t *,
+ efx_mon_stat_limits_t *);
#endif /* EFSYS_OPT_MON_STATS */
} efx_mon_ops_t;
@@ -38,7 +38,8 @@ efx_mon_name(
#if EFSYS_OPT_MON_MCDI
static const efx_mon_ops_t __efx_mon_mcdi_ops = {
#if EFSYS_OPT_MON_STATS
- mcdi_mon_stats_update /* emo_stats_update */
+ mcdi_mon_stats_update, /* emo_stats_update */
+ mcdi_mon_limits_update, /* emo_limits_update */
#endif /* EFSYS_OPT_MON_STATS */
};
#endif
@@ -815,6 +816,20 @@ efx_mon_stats_update(
return (emop->emo_stats_update(enp, esmp, values));
}
+ __checkReturn efx_rc_t
+efx_mon_limits_update(
+ __in efx_nic_t *enp,
+ __inout_ecount(EFX_MON_NSTATS) efx_mon_stat_limits_t *values)
+{
+ efx_mon_t *emp = &(enp->en_mon);
+ const efx_mon_ops_t *emop = emp->em_emop;
+
+ EFSYS_ASSERT3U(enp->en_magic, ==, EFX_NIC_MAGIC);
+ EFSYS_ASSERT3U(enp->en_mod_flags, &, EFX_MOD_MON);
+
+ return (emop->emo_limits_update(enp, values));
+}
+
#endif /* EFSYS_OPT_MON_STATS */
void
@@ -334,6 +334,87 @@ efx_mcdi_sensor_info(
return (rc);
}
+static __checkReturn efx_rc_t
+efx_mcdi_sensor_info_page(
+ __in efx_nic_t *enp,
+ __in uint32_t page,
+ __out uint32_t *mask_part,
+ __out_ecount((sizeof (*mask_part) * 8) - 1)
+ efx_mon_stat_limits_t *limits)
+{
+ efx_mcdi_req_t req;
+ uint8_t payload[MAX(MC_CMD_SENSOR_INFO_EXT_IN_LEN,
+ MC_CMD_SENSOR_INFO_OUT_LENMAX)];
+ efx_rc_t rc;
+ uint32_t mask_copy;
+ efx_dword_t *maskp;
+ efx_qword_t *limit_info;
+
+ EFSYS_ASSERT(mask_part != NULL);
+ EFSYS_ASSERT(limits != NULL);
+
+ memset(limits, 0,
+ ((sizeof (*mask_part) * 8) - 1) * sizeof (efx_mon_stat_limits_t));
+
+ (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);
+
+ rc = req.emr_rc;
+
+ if (rc != 0)
+ goto fail1;
+
+ EFSYS_ASSERT(sizeof (*limit_info) ==
+ MC_CMD_SENSOR_INFO_ENTRY_TYPEDEF_LEN);
+ maskp = MCDI_OUT2(req, efx_dword_t, SENSOR_INFO_OUT_MASK);
+ limit_info = (efx_qword_t *)(maskp + 1);
+
+ *mask_part = maskp->ed_u32[0];
+ mask_copy = *mask_part;
+
+ /* Copy an entry for all but the highest bit set. */
+ while (mask_copy) {
+
+ if (mask_copy == (1U << MC_CMD_SENSOR_PAGE0_NEXT)) {
+ /* Only next page bit set. */
+ mask_copy = 0;
+ } else {
+ /* Clear lowest bit */
+ mask_copy = mask_copy & ~(mask_copy ^ (mask_copy - 1));
+ /* And copy out limit entry into buffer */
+ limits->emlv_warning_min = EFX_QWORD_FIELD(*limit_info,
+ MC_CMD_SENSOR_INFO_ENTRY_TYPEDEF_MIN1);
+
+ limits->emlv_warning_max = EFX_QWORD_FIELD(*limit_info,
+ MC_CMD_SENSOR_INFO_ENTRY_TYPEDEF_MAX1);
+
+ limits->emlv_fatal_min = EFX_QWORD_FIELD(*limit_info,
+ MC_CMD_SENSOR_INFO_ENTRY_TYPEDEF_MIN2);
+
+ limits->emlv_fatal_max = EFX_QWORD_FIELD(*limit_info,
+ MC_CMD_SENSOR_INFO_ENTRY_TYPEDEF_MAX2);
+
+ limits++;
+ limit_info++;
+ }
+ }
+
+ return (rc);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
__checkReturn efx_rc_t
mcdi_mon_stats_update(
__in efx_nic_t *enp,
@@ -356,6 +437,96 @@ mcdi_mon_stats_update(
return (0);
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
+}
+
+static void
+lowest_set_bit(
+ __in uint32_t input_mask,
+ __out uint32_t *lowest_bit_mask,
+ __out uint32_t *lowest_bit_num
+)
+{
+ uint32_t x;
+ uint32_t set_bit, bit_index;
+
+ x = (input_mask ^ (input_mask - 1));
+ set_bit = (x + 1) >> 1;
+ if (!set_bit)
+ set_bit = (1U << 31U);
+
+ bit_index = 0;
+ if (set_bit & 0xFFFF0000)
+ bit_index += 16;
+ if (set_bit & 0xFF00FF00)
+ bit_index += 8;
+ if (set_bit & 0xF0F0F0F0)
+ bit_index += 4;
+ if (set_bit & 0xCCCCCCCC)
+ bit_index += 2;
+ if (set_bit & 0xAAAAAAAA)
+ bit_index += 1;
+
+ *lowest_bit_mask = set_bit;
+ *lowest_bit_num = bit_index;
+}
+
+ __checkReturn efx_rc_t
+mcdi_mon_limits_update(
+ __in efx_nic_t *enp,
+ __inout_ecount(EFX_MON_NSTATS) efx_mon_stat_limits_t *values)
+{
+ efx_rc_t rc;
+ uint32_t page;
+ uint32_t page_mask;
+ uint32_t limit_index;
+ efx_mon_stat_limits_t limits[sizeof (page_mask) * 8];
+ efx_mon_stat_t stat;
+
+ page = 0;
+ page--;
+ do {
+ page++;
+
+ rc = efx_mcdi_sensor_info_page(enp, page, &page_mask, limits);
+ if (rc != 0)
+ goto fail1;
+
+ limit_index = 0;
+ while (page_mask) {
+ uint32_t set_bit;
+ uint32_t page_index;
+ uint32_t mcdi_index;
+
+ if (page_mask == (1U << MC_CMD_SENSOR_PAGE0_NEXT))
+ break;
+
+ lowest_set_bit(page_mask, &set_bit, &page_index);
+ page_mask = page_mask & ~set_bit;
+
+ mcdi_index =
+ page_index + (sizeof (page_mask) * 8 * page);
+
+ /*
+ * This can fail if MCDI reports newer stats than the
+ * drivers understand, or the bit is the next page bit.
+ *
+ * Driver needs to be tolerant of this.
+ */
+ if (!efx_mon_mcdi_to_efx_stat(mcdi_index, &stat))
+ continue;
+
+ values[stat] = limits[limit_index];
+ limit_index++;
+ }
+
+ } while (page_mask & (1U << MC_CMD_SENSOR_PAGE0_NEXT));
+
+ return (rc);
+
fail1:
EFSYS_PROBE1(fail1, efx_rc_t, rc);
@@ -39,6 +39,11 @@ mcdi_mon_stats_update(
__in efsys_mem_t *esmp,
__inout_ecount(EFX_MON_NSTATS) efx_mon_stat_value_t *values);
+extern __checkReturn efx_rc_t
+mcdi_mon_limits_update(
+ __in efx_nic_t *enp,
+ __inout_ecount(EFX_MON_NSTATS) efx_mon_stat_limits_t *values);
+
#endif /* EFSYS_OPT_MON_STATS */
#endif /* EFSYS_OPT_MON_MCDI */