X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=drivers%2Fnet%2Fbnxt%2Fbnxt_cpr.c;h=21565b1e24a3901614cb37ccd81f4b0ca13051e0;hb=965b3127d4259c25c61eefefb082c042f3c87142;hp=5ac197ea7f285c5521b4c3a48ccacb21f7823c12;hpb=fd710bb1f6e015a190bae5276dff9792064d8008;p=dpdk.git diff --git a/drivers/net/bnxt/bnxt_cpr.c b/drivers/net/bnxt/bnxt_cpr.c index 5ac197ea7f..21565b1e24 100644 --- a/drivers/net/bnxt/bnxt_cpr.c +++ b/drivers/net/bnxt/bnxt_cpr.c @@ -4,13 +4,48 @@ */ #include +#include +#include #include "bnxt.h" -#include "bnxt_cpr.h" #include "bnxt_hwrm.h" #include "bnxt_ring.h" #include "hsi_struct_def_dpdk.h" +void bnxt_wait_for_device_shutdown(struct bnxt *bp) +{ + uint32_t val, timeout; + + /* if HWRM_FUNC_QCAPS_OUTPUT_FLAGS_ERR_RECOVER_RELOAD is set + * in HWRM_FUNC_QCAPS command, wait for FW_STATUS to set + * the SHUTDOWN bit in health register + */ + if (!(bp->recovery_info && + (bp->fw_cap & BNXT_FW_CAP_ERR_RECOVER_RELOAD))) + return; + + /* Driver has to wait for fw_reset_max_msecs or shutdown bit which comes + * first for FW to collect crash dump. + */ + timeout = bp->fw_reset_max_msecs; + + /* Driver has to poll for shutdown bit in fw_status register + * + * 1. in case of hot fw upgrade, this bit will be set after all + * function drivers unregistered with fw. + * 2. in case of fw initiated error recovery, this bit will be + * set after fw has collected the core dump + */ + do { + val = bnxt_read_fw_status_reg(bp, BNXT_FW_STATUS_REG); + if (val & BNXT_FW_STATUS_SHUTDOWN) + return; + + rte_delay_ms(100); + timeout -= 100; + } while (timeout); +} + /* * Async event handling */ @@ -20,26 +55,97 @@ void bnxt_handle_async_event(struct bnxt *bp, struct hwrm_async_event_cmpl *async_cmp = (struct hwrm_async_event_cmpl *)cmp; uint16_t event_id = rte_le_to_cpu_16(async_cmp->event_id); + struct bnxt_error_recovery_info *info; + uint32_t event_data; - /* TODO: HWRM async events are not defined yet */ - /* Needs to handle: link events, error events, etc. */ switch (event_id) { case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_STATUS_CHANGE: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CHANGE: case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_LINK_SPEED_CFG_CHANGE: - bnxt_link_update_op(bp->eth_dev, 1); + /* FALLTHROUGH */ + bnxt_link_update(bp->eth_dev, 0, ETH_LINK_UP); break; case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PF_DRVR_UNLOAD: PMD_DRV_LOG(INFO, "Async event: PF driver unloaded\n"); break; case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_VF_CFG_CHANGE: PMD_DRV_LOG(INFO, "Async event: VF config changed\n"); + bnxt_hwrm_func_qcfg(bp, NULL); break; case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_PORT_CONN_NOT_ALLOWED: PMD_DRV_LOG(INFO, "Port conn async event\n"); break; + case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_RESET_NOTIFY: + /* Ignore reset notify async events when stopping the port */ + if (!bp->eth_dev->data->dev_started) { + bp->flags |= BNXT_FLAG_FATAL_ERROR; + return; + } + + event_data = rte_le_to_cpu_32(async_cmp->event_data1); + /* timestamp_lo/hi values are in units of 100ms */ + bp->fw_reset_max_msecs = async_cmp->timestamp_hi ? + rte_le_to_cpu_16(async_cmp->timestamp_hi) * 100 : + BNXT_MAX_FW_RESET_TIMEOUT; + bp->fw_reset_min_msecs = async_cmp->timestamp_lo ? + async_cmp->timestamp_lo * 100 : + BNXT_MIN_FW_READY_TIMEOUT; + if ((event_data & EVENT_DATA1_REASON_CODE_MASK) == + EVENT_DATA1_REASON_CODE_FW_EXCEPTION_FATAL) { + PMD_DRV_LOG(INFO, + "Firmware fatal reset event received\n"); + bp->flags |= BNXT_FLAG_FATAL_ERROR; + } else { + PMD_DRV_LOG(INFO, + "Firmware non-fatal reset event received\n"); + } + + bp->flags |= BNXT_FLAG_FW_RESET; + rte_eal_alarm_set(US_PER_MS, bnxt_dev_reset_and_resume, + (void *)bp); + break; + case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_ERROR_RECOVERY: + info = bp->recovery_info; + + if (!info) + return; + + PMD_DRV_LOG(INFO, "Error recovery async event received\n"); + + event_data = rte_le_to_cpu_32(async_cmp->event_data1) & + EVENT_DATA1_FLAGS_MASK; + + if (event_data & EVENT_DATA1_FLAGS_MASTER_FUNC) + info->flags |= BNXT_FLAG_MASTER_FUNC; + else + info->flags &= ~BNXT_FLAG_MASTER_FUNC; + + if (event_data & EVENT_DATA1_FLAGS_RECOVERY_ENABLED) + info->flags |= BNXT_FLAG_RECOVERY_ENABLED; + else + info->flags &= ~BNXT_FLAG_RECOVERY_ENABLED; + + PMD_DRV_LOG(INFO, "recovery enabled(%d), master function(%d)\n", + bnxt_is_recovery_enabled(bp), + bnxt_is_master_func(bp)); + + if (bp->flags & BNXT_FLAG_FW_HEALTH_CHECK_SCHEDULED) + return; + + info->last_heart_beat = + bnxt_read_fw_status_reg(bp, BNXT_FW_HEARTBEAT_CNT_REG); + info->last_reset_counter = + bnxt_read_fw_status_reg(bp, BNXT_FW_RECOVERY_CNT_REG); + + bnxt_schedule_fw_health_check(bp); + break; + case HWRM_ASYNC_EVENT_CMPL_EVENT_ID_DEBUG_NOTIFICATION: + PMD_DRV_LOG(INFO, "DNC event: evt_data1 %#x evt_data2 %#x\n", + rte_le_to_cpu_32(async_cmp->event_data1), + rte_le_to_cpu_32(async_cmp->event_data2)); + break; default: - PMD_DRV_LOG(INFO, "handle_async_event id = 0x%x\n", event_id); + PMD_DRV_LOG(DEBUG, "handle_async_event id = 0x%x\n", event_id); break; } } @@ -131,69 +237,53 @@ reject: return; } -/* For the default completion ring only */ -int bnxt_alloc_def_cp_ring(struct bnxt *bp) +int bnxt_event_hwrm_resp_handler(struct bnxt *bp, struct cmpl_base *cmp) { - struct bnxt_cp_ring_info *cpr = bp->def_cp_ring; - struct bnxt_ring *cp_ring = cpr->cp_ring_struct; - int rc; + bool evt = 0; + + if (bp == NULL || cmp == NULL) { + PMD_DRV_LOG(ERR, "invalid NULL argument\n"); + return evt; + } - rc = bnxt_hwrm_ring_alloc(bp, cp_ring, - HWRM_RING_ALLOC_INPUT_RING_TYPE_L2_CMPL, - 0, HWRM_NA_SIGNATURE, - HWRM_NA_SIGNATURE); - if (rc) - goto err_out; - cpr->cp_doorbell = bp->pdev->mem_resource[2].addr; - B_CP_DIS_DB(cpr, cpr->cp_raw_cons); - if (BNXT_PF(bp)) - rc = bnxt_hwrm_func_cfg_def_cp(bp); - else - rc = bnxt_hwrm_vf_func_cfg_def_cp(bp); - -err_out: - return rc; + if (unlikely(is_bnxt_in_error(bp))) + return 0; + + switch (CMP_TYPE(cmp)) { + case CMPL_BASE_TYPE_HWRM_ASYNC_EVENT: + /* Handle any async event */ + bnxt_handle_async_event(bp, cmp); + evt = 1; + break; + case CMPL_BASE_TYPE_HWRM_FWD_RESP: + /* Handle HWRM forwarded responses */ + bnxt_handle_fwd_req(bp, cmp); + evt = 1; + break; + default: + /* Ignore any other events */ + PMD_DRV_LOG(DEBUG, "Ignoring %02x completion\n", CMP_TYPE(cmp)); + break; + } + + return evt; } -void bnxt_free_def_cp_ring(struct bnxt *bp) +bool bnxt_is_master_func(struct bnxt *bp) { - struct bnxt_cp_ring_info *cpr = bp->def_cp_ring; + if (bp->recovery_info->flags & BNXT_FLAG_MASTER_FUNC) + return true; - if (cpr == NULL) - return; - - bnxt_free_ring(cpr->cp_ring_struct); - cpr->cp_ring_struct = NULL; - rte_free(cpr->cp_ring_struct); - rte_free(cpr); - bp->def_cp_ring = NULL; + return false; } -/* For the default completion ring only */ -int bnxt_init_def_ring_struct(struct bnxt *bp, unsigned int socket_id) +bool bnxt_is_recovery_enabled(struct bnxt *bp) { - struct bnxt_cp_ring_info *cpr; - struct bnxt_ring *ring; - - cpr = rte_zmalloc_socket("cpr", - sizeof(struct bnxt_cp_ring_info), - RTE_CACHE_LINE_SIZE, socket_id); - if (cpr == NULL) - return -ENOMEM; - bp->def_cp_ring = cpr; - - ring = rte_zmalloc_socket("bnxt_cp_ring_struct", - sizeof(struct bnxt_ring), - RTE_CACHE_LINE_SIZE, socket_id); - if (ring == NULL) - return -ENOMEM; - cpr->cp_ring_struct = ring; - ring->bd = (void *)cpr->cp_desc_ring; - ring->bd_dma = cpr->cp_desc_mapping; - ring->ring_size = rte_align32pow2(DEFAULT_CP_RING_SIZE); - ring->ring_mask = ring->ring_size - 1; - ring->vmem_size = 0; - ring->vmem = NULL; - - return 0; + struct bnxt_error_recovery_info *info; + + info = bp->recovery_info; + if (info && (info->flags & BNXT_FLAG_RECOVERY_ENABLED)) + return true; + + return false; }