net/bnxt: support periodic FW health monitoring
[dpdk.git] / drivers / net / bnxt / bnxt_cpr.c
index 7b4f9a1..3893179 100644 (file)
@@ -4,6 +4,7 @@
  */
 
 #include <rte_malloc.h>
+#include <rte_alarm.h>
 
 #include "bnxt.h"
 #include "bnxt_cpr.h"
@@ -20,6 +21,8 @@ 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. */
@@ -35,10 +38,69 @@ void bnxt_handle_async_event(struct bnxt *bp,
                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:
+               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;
        default:
                PMD_DRV_LOG(INFO, "handle_async_event id = 0x%x\n", event_id);
                break;
@@ -132,69 +194,53 @@ 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;
 
-       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 = (char *)bp->doorbell_base;
-       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 (bp == NULL || cmp == NULL) {
+               PMD_DRV_LOG(ERR, "invalid NULL argument\n");
+               return evt;
+       }
+
+       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(INFO, "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 (cpr == NULL)
-               return;
+       if (bp->recovery_info->flags & BNXT_FLAG_MASTER_FUNC)
+               return true;
 
-       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;
 }