diff options
Diffstat (limited to 'drivers/net/ethernet/sfc/mcdi.c')
-rw-r--r-- | drivers/net/ethernet/sfc/mcdi.c | 66 |
1 files changed, 59 insertions, 7 deletions
diff --git a/drivers/net/ethernet/sfc/mcdi.c b/drivers/net/ethernet/sfc/mcdi.c index d8a20f5..272f201 100644 --- a/drivers/net/ethernet/sfc/mcdi.c +++ b/drivers/net/ethernet/sfc/mcdi.c @@ -852,6 +852,7 @@ void efx_mcdi_process_event(struct efx_channel *channel, "MC Scheduler error address=0x%x\n", data); break; case MCDI_EVENT_CODE_REBOOT: + case MCDI_EVENT_CODE_MC_REBOOT: netif_info(efx, hw, efx->net_dev, "MC Reboot\n"); efx_mcdi_ev_death(efx, -EIO); break; @@ -866,7 +867,19 @@ void efx_mcdi_process_event(struct efx_channel *channel, case MCDI_EVENT_CODE_PTP_PPS: efx_ptp_event(efx, event); break; - + case MCDI_EVENT_CODE_TX_FLUSH: + case MCDI_EVENT_CODE_RX_FLUSH: + /* Two flush events will be sent: one to the same event + * queue as completions, and one to event queue 0. + * In the latter case the {RX,TX}_FLUSH_TO_DRIVER + * flag will be set, and we should ignore the event + * because we want to wait for all completions. + */ + BUILD_BUG_ON(MCDI_EVENT_TX_FLUSH_TO_DRIVER_LBN != + MCDI_EVENT_RX_FLUSH_TO_DRIVER_LBN); + if (!MCDI_EVENT_FIELD(*event, TX_FLUSH_TO_DRIVER)) + efx_ef10_handle_drain_event(efx); + break; case MCDI_EVENT_CODE_TX_ERR: case MCDI_EVENT_CODE_RX_ERR: netif_err(efx, hw, efx->net_dev, @@ -890,27 +903,55 @@ void efx_mcdi_process_event(struct efx_channel *channel, void efx_mcdi_print_fwver(struct efx_nic *efx, char *buf, size_t len) { - MCDI_DECLARE_BUF(outbuf, MC_CMD_GET_VERSION_OUT_LEN); + MCDI_DECLARE_BUF(outbuf, + max(MC_CMD_GET_VERSION_OUT_LEN, + MC_CMD_GET_CAPABILITIES_OUT_LEN)); size_t outlength; const __le16 *ver_words; + size_t offset; int rc; BUILD_BUG_ON(MC_CMD_GET_VERSION_IN_LEN != 0); - rc = efx_mcdi_rpc(efx, MC_CMD_GET_VERSION, NULL, 0, outbuf, sizeof(outbuf), &outlength); if (rc) goto fail; - if (outlength < MC_CMD_GET_VERSION_OUT_LEN) { rc = -EIO; goto fail; } ver_words = (__le16 *)MCDI_PTR(outbuf, GET_VERSION_OUT_VERSION); - snprintf(buf, len, "%u.%u.%u.%u", - le16_to_cpu(ver_words[0]), le16_to_cpu(ver_words[1]), - le16_to_cpu(ver_words[2]), le16_to_cpu(ver_words[3])); + offset = snprintf(buf, len, "%u.%u.%u.%u", + le16_to_cpu(ver_words[0]), le16_to_cpu(ver_words[1]), + le16_to_cpu(ver_words[2]), le16_to_cpu(ver_words[3])); + + /* EF10 may have multiple datapath firmware variants within a + * single version. Report which variants are running. + */ + if (efx_nic_rev(efx) >= EFX_REV_HUNT_A0) { + BUILD_BUG_ON(MC_CMD_GET_CAPABILITIES_IN_LEN != 0); + rc = efx_mcdi_rpc(efx, MC_CMD_GET_CAPABILITIES, NULL, 0, + outbuf, sizeof(outbuf), &outlength); + if (rc || outlength < MC_CMD_GET_CAPABILITIES_OUT_LEN) + offset += snprintf( + buf + offset, len - offset, " rx? tx?"); + else + offset += snprintf( + buf + offset, len - offset, " rx%x tx%x", + MCDI_WORD(outbuf, + GET_CAPABILITIES_OUT_RX_DPCPU_FW_ID), + MCDI_WORD(outbuf, + GET_CAPABILITIES_OUT_TX_DPCPU_FW_ID)); + + /* It's theoretically possible for the string to exceed 31 + * characters, though in practice the first three version + * components are short enough that this doesn't happen. + */ + if (WARN_ON(offset >= len)) + buf[0] = 0; + } + return; fail: @@ -1430,6 +1471,17 @@ fail: return rc; } +int efx_mcdi_set_workaround(struct efx_nic *efx, u32 type, bool enabled) +{ + MCDI_DECLARE_BUF(inbuf, MC_CMD_WORKAROUND_IN_LEN); + + BUILD_BUG_ON(MC_CMD_WORKAROUND_OUT_LEN != 0); + MCDI_SET_DWORD(inbuf, WORKAROUND_IN_TYPE, type); + MCDI_SET_DWORD(inbuf, WORKAROUND_IN_ENABLED, enabled); + return efx_mcdi_rpc(efx, MC_CMD_WORKAROUND, inbuf, sizeof(inbuf), + NULL, 0, NULL); +} + #ifdef CONFIG_SFC_MTD #define EFX_MCDI_NVRAM_LEN_MAX 128 |