static int bnxt_dev_uninit(struct rte_eth_dev *eth_dev);
static int bnxt_init_resources(struct bnxt *bp, bool reconfig_dev);
static int bnxt_uninit_resources(struct bnxt *bp, bool reconfig_dev);
+static void bnxt_cancel_fw_health_check(struct bnxt *bp);
int is_bnxt_in_error(struct bnxt *bp)
{
bp->flags |= BNXT_FLAG_INIT_DONE;
eth_dev->data->dev_started = 1;
bp->dev_stopped = 0;
+ bnxt_schedule_fw_health_check(bp);
return 0;
error:
/* disable uio/vfio intr/eventfd mapping */
rte_intr_disable(intr_handle);
+ bnxt_cancel_fw_health_check(bp);
+
bp->flags &= ~BNXT_FLAG_INIT_DONE;
if (bp->eth_dev->data->dev_started) {
/* TBD: STOP HW queues DMA */
.timesync_read_tx_timestamp = bnxt_timesync_read_tx_timestamp,
};
+int bnxt_map_fw_health_status_regs(struct bnxt *bp)
+{
+ struct bnxt_error_recovery_info *info = bp->recovery_info;
+ uint32_t reg_base = 0xffffffff;
+ int i;
+
+ /* Only pre-map the monitoring GRC registers using window 2 */
+ for (i = 0; i < BNXT_FW_STATUS_REG_CNT; i++) {
+ uint32_t reg = info->status_regs[i];
+
+ if (BNXT_FW_STATUS_REG_TYPE(reg) != BNXT_FW_STATUS_REG_TYPE_GRC)
+ continue;
+
+ if (reg_base == 0xffffffff)
+ reg_base = reg & 0xfffff000;
+ if ((reg & 0xfffff000) != reg_base)
+ return -ERANGE;
+
+ /* Use mask 0xffc as the Lower 2 bits indicates
+ * address space location
+ */
+ info->mapped_status_regs[i] = BNXT_GRCP_WINDOW_2_BASE +
+ (reg & 0xffc);
+ }
+
+ if (reg_base == 0xffffffff)
+ return 0;
+
+ rte_write32(reg_base, (uint8_t *)bp->bar0 +
+ BNXT_GRCPF_REG_WINDOW_BASE_OUT + 4);
+
+ return 0;
+}
+
static void bnxt_dev_cleanup(struct bnxt *bp)
{
bnxt_set_hwrm_link_config(bp, false);
int timeout = bp->fw_reset_max_msecs;
int rc = 0;
+ /* Clear Error flag so that device re-init should happen */
+ bp->flags &= ~BNXT_FLAG_FATAL_ERROR;
+
do {
rc = bnxt_hwrm_ver_get(bp);
if (rc == 0)
PMD_DRV_LOG(ERR, "Error setting recovery alarm");
}
+uint32_t bnxt_read_fw_status_reg(struct bnxt *bp, uint32_t index)
+{
+ struct bnxt_error_recovery_info *info = bp->recovery_info;
+ uint32_t reg = info->status_regs[index];
+ uint32_t type, offset, val = 0;
+
+ type = BNXT_FW_STATUS_REG_TYPE(reg);
+ offset = BNXT_FW_STATUS_REG_OFF(reg);
+
+ switch (type) {
+ case BNXT_FW_STATUS_REG_TYPE_CFG:
+ rte_pci_read_config(bp->pdev, &val, sizeof(val), offset);
+ break;
+ case BNXT_FW_STATUS_REG_TYPE_GRC:
+ offset = info->mapped_status_regs[index];
+ /* FALLTHROUGH */
+ case BNXT_FW_STATUS_REG_TYPE_BAR0:
+ val = rte_le_to_cpu_32(rte_read32((uint8_t *)bp->bar0 +
+ offset));
+ break;
+ }
+
+ return val;
+}
+
+/* Driver should poll FW heartbeat, reset_counter with the frequency
+ * advertised by FW in HWRM_ERROR_RECOVERY_QCFG.
+ * When the driver detects heartbeat stop or change in reset_counter,
+ * it has to trigger a reset to recover from the error condition.
+ * A “master PF” is the function who will have the privilege to
+ * initiate the chimp reset. The master PF will be elected by the
+ * firmware and will be notified through async message.
+ */
+static void bnxt_check_fw_health(void *arg)
+{
+ struct bnxt *bp = arg;
+ struct bnxt_error_recovery_info *info = bp->recovery_info;
+ uint32_t val = 0;
+
+ if (!info || !bnxt_is_recovery_enabled(bp) ||
+ is_bnxt_in_error(bp))
+ return;
+
+ val = bnxt_read_fw_status_reg(bp, BNXT_FW_HEARTBEAT_CNT_REG);
+ if (val == info->last_heart_beat)
+ goto reset;
+
+ info->last_heart_beat = val;
+
+ val = bnxt_read_fw_status_reg(bp, BNXT_FW_RECOVERY_CNT_REG);
+ if (val != info->last_reset_counter)
+ goto reset;
+
+ info->last_reset_counter = val;
+
+ rte_eal_alarm_set(US_PER_MS * info->driver_polling_freq,
+ bnxt_check_fw_health, (void *)bp);
+
+ return;
+reset:
+ /* Stop DMA to/from device */
+ bp->flags |= BNXT_FLAG_FATAL_ERROR;
+ bp->flags |= BNXT_FLAG_FW_RESET;
+
+ PMD_DRV_LOG(ERR, "Detected FW dead condition\n");
+}
+
+void bnxt_schedule_fw_health_check(struct bnxt *bp)
+{
+ uint32_t polling_freq;
+
+ if (!bnxt_is_recovery_enabled(bp))
+ return;
+
+ if (bp->flags & BNXT_FLAG_FW_HEALTH_CHECK_SCHEDULED)
+ return;
+
+ polling_freq = bp->recovery_info->driver_polling_freq;
+
+ rte_eal_alarm_set(US_PER_MS * polling_freq,
+ bnxt_check_fw_health, (void *)bp);
+ bp->flags |= BNXT_FLAG_FW_HEALTH_CHECK_SCHEDULED;
+}
+
+static void bnxt_cancel_fw_health_check(struct bnxt *bp)
+{
+ if (!bnxt_is_recovery_enabled(bp))
+ return;
+
+ rte_eal_alarm_cancel(bnxt_check_fw_health, (void *)bp);
+ bp->flags &= ~BNXT_FLAG_FW_HEALTH_CHECK_SCHEDULED;
+}
+
static bool bnxt_vf_pciid(uint16_t id)
{
if (id == BROADCOM_DEV_ID_57304_VF ||
if (rc)
return rc;
+ /* Get the adapter error recovery support info */
+ rc = bnxt_hwrm_error_recovery_qcfg(bp);
+ if (rc)
+ bp->flags &= ~BNXT_FLAG_FW_CAP_ERROR_RECOVERY;
+
if (mtu >= RTE_ETHER_MIN_MTU && mtu <= BNXT_MAX_MTU &&
mtu != bp->eth_dev->data->mtu)
bp->eth_dev->data->mtu = mtu;
rc = bnxt_hwrm_func_driver_unregister(bp, 0);
bp->flags &= ~BNXT_FLAG_REGISTERED;
bnxt_free_ctx_mem(bp);
- if (!reconfig_dev)
+ if (!reconfig_dev) {
bnxt_free_hwrm_resources(bp);
+ if (bp->recovery_info != NULL) {
+ rte_free(bp->recovery_info);
+ bp->recovery_info = NULL;
+ }
+ }
+
return rc;
}
git.droids-corp.org / dpdk.git / blobdiff