for (sensor = 0; sensor < sensor_max; ++sensor) {
efx_mon_stat_t id;
efx_mon_stat_portmask_t stat_portmask = 0;
- boolean_t decode_ok;
efx_mon_stat_unit_t stat_unit;
if ((sensor % (MC_CMD_SENSOR_PAGE0_NEXT + 1)) ==
MC_CMD_SENSOR_PAGE0_NEXT) {
+ /* This sensor is one of the page boundary bits. */
page++;
continue;
- /* This sensor is one of the page boundary bits. */
}
- if (~(sensor_mask[page]) & (1U << sensor))
+ if (~(sensor_mask[page]) &
+ (1U << (sensor % (sizeof (sensor_mask[page]) * 8)))) {
+ /* This sensor is not supported. */
continue;
- /* This sensor not in DMA buffer */
+ }
+ /* Supported sensor, so it is present in the DMA buffer. */
idx++;
- /*
- * Valid stat in DMA buffer that we need to increment over, even
- * if we couldn't look up the id
- */
- decode_ok = efx_mon_mcdi_to_efx_stat(sensor, &id);
- decode_ok =
- decode_ok && efx_mon_get_stat_portmap(id, &stat_portmask);
+ if ((efx_mon_mcdi_to_efx_stat(sensor, &id) != B_TRUE) ||
+ (efx_mon_get_stat_portmap(id, &stat_portmask) != B_TRUE)) {
+ /* The sensor is not known to the driver. */
+ continue;
+ }
- if (!(decode_ok && (stat_portmask & port_mask)))
+ if ((stat_portmask & port_mask) == 0) {
+ /* The sensor is not for this port. */
continue;
- /* Either bad decode, or don't know what port stat is on */
+ }
EFSYS_ASSERT(id < EFX_MON_NSTATS);
__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)];
+ EFX_MCDI_DECLARE_BUF(payload, MC_CMD_READ_SENSORS_EXT_IN_LEN,
+ MC_CMD_READ_SENSORS_EXT_OUT_LEN);
uint32_t addr_lo, addr_hi;
+ efx_rc_t rc;
+
+ if (EFSYS_MEM_SIZE(esmp) < size) {
+ rc = EINVAL;
+ goto fail1;
+ }
req.emr_cmd = MC_CMD_READ_SENSORS;
req.emr_in_buf = payload;
efx_mcdi_execute(enp, &req);
return (req.emr_rc);
+
+fail1:
+ EFSYS_PROBE1(fail1, efx_rc_t, rc);
+
+ return (rc);
}
static __checkReturn efx_rc_t
__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)];
+ EFX_MCDI_DECLARE_BUF(payload, MC_CMD_SENSOR_INFO_EXT_IN_LEN,
+ MC_CMD_SENSOR_INFO_OUT_LENMAX);
int page;
efx_rc_t rc;
__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)];
+ EFX_MCDI_DECLARE_BUF(payload, MC_CMD_SENSOR_INFO_EXT_IN_LEN,
+ MC_CMD_SENSOR_INFO_OUT_LENMAX);
uint32_t page;
efx_rc_t rc;
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;
+ EFX_MCDI_DECLARE_BUF(payload, 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));
+
+ 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,
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);
git.droids-corp.org / dpdk.git / blobdiff