-#define SFC_EFX_MCDI_POLL_INTERVAL_MIN_US 10 /* 10us */
-#define SFC_EFX_MCDI_POLL_INTERVAL_MAX_US (US_PER_S / 10) /* 100ms */
-#define SFC_EFX_MCDI_WATCHDOG_INTERVAL_US (10 * US_PER_S) /* 10s */
-
-#define sfc_efx_mcdi_log(mcdi, level, ...) \
- do { \
- const struct sfc_efx_mcdi *_mcdi = (mcdi); \
- \
- rte_log(level, _mcdi->logtype, \
- RTE_FMT("%s" RTE_FMT_HEAD(__VA_ARGS__ ,) "\n", \
- _mcdi->log_prefix, \
- RTE_FMT_TAIL(__VA_ARGS__,))); \
- } while (0)
-
-#define sfc_efx_mcdi_err(mcdi, ...) \
- sfc_efx_mcdi_log(mcdi, RTE_LOG_ERR, __VA_ARGS__)
-
-#define sfc_efx_mcdi_warn(mcdi, ...) \
- sfc_efx_mcdi_log(mcdi, RTE_LOG_WARNING, __VA_ARGS__)
-
-#define sfc_efx_mcdi_info(mcdi, ...) \
- sfc_efx_mcdi_log(mcdi, RTE_LOG_INFO, __VA_ARGS__)
-
-/** Level value used by MCDI log statements */
-#define SFC_EFX_LOG_LEVEL_MCDI RTE_LOG_INFO
-
-#define sfc_efx_log_mcdi(mcdi, ...) \
- sfc_efx_mcdi_log(mcdi, SFC_EFX_LOG_LEVEL_MCDI, __VA_ARGS__)
-
-static void
-sfc_efx_mcdi_timeout(struct sfc_adapter *sa)
-{
- struct sfc_efx_mcdi *mcdi = &sa->mcdi;
-
- sfc_efx_mcdi_warn(mcdi, "MC TIMEOUT");
-
- sfc_panic(sa, "MCDI timeout handling is not implemented\n");
-}
-
-static inline boolean_t
-sfc_efx_mcdi_proxy_event_available(struct sfc_adapter *sa)
-{
- struct sfc_efx_mcdi *mcdi = &sa->mcdi;
-
- mcdi->proxy_handle = 0;
- mcdi->proxy_result = ETIMEDOUT;
- sfc_ev_mgmt_qpoll(sa);
- if (mcdi->proxy_result != ETIMEDOUT)
- return B_TRUE;
-
- return B_FALSE;
-}
-
-static void
-sfc_efx_mcdi_poll(struct sfc_adapter *sa, boolean_t proxy)
-{
- struct sfc_efx_mcdi *mcdi = &sa->mcdi;
- efx_nic_t *enp;
- unsigned int delay_total;
- unsigned int delay_us;
- boolean_t aborted __rte_unused;
-
- delay_total = 0;
- delay_us = SFC_EFX_MCDI_POLL_INTERVAL_MIN_US;
- enp = mcdi->nic;
-
- do {
- boolean_t poll_completed;
-
- poll_completed = (proxy) ? sfc_efx_mcdi_proxy_event_available(sa) :
- efx_mcdi_request_poll(enp);
- if (poll_completed)
- return;
-
- if (delay_total > SFC_EFX_MCDI_WATCHDOG_INTERVAL_US) {
- if (!proxy) {
- aborted = efx_mcdi_request_abort(enp);
- SFC_ASSERT(aborted);
- sfc_efx_mcdi_timeout(sa);
- }
-
- return;
- }
-
- rte_delay_us(delay_us);
-
- delay_total += delay_us;
-
- /* Exponentially back off the poll frequency */
- RTE_BUILD_BUG_ON(SFC_EFX_MCDI_POLL_INTERVAL_MAX_US >
- UINT_MAX / 2);
- delay_us *= 2;
- if (delay_us > SFC_EFX_MCDI_POLL_INTERVAL_MAX_US)
- delay_us = SFC_EFX_MCDI_POLL_INTERVAL_MAX_US;
-
- } while (1);
-}
-
-static void
-sfc_efx_mcdi_execute(void *arg, efx_mcdi_req_t *emrp)