static void siena_remove_nic(struct efx_nic *efx) { efx_nic_free_buffer(efx, &efx->irq_status); siena_reset_hw(efx, RESET_TYPE_ALL); /* Relinquish the device back to the BMC */ if (efx_nic_has_mc(efx)) efx_mcdi_drv_attach(efx, false, NULL); /* Tear down the private nic state */ kfree(efx->nic_data); efx->nic_data = NULL; }
static int siena_test_chip(struct efx_nic *efx, struct efx_self_tests *tests) { enum reset_type reset_method = RESET_TYPE_ALL; int rc, rc2; efx_reset_down(efx, reset_method); /* Reset the chip immediately so that it is completely * quiescent regardless of what any VF driver does. */ rc = siena_reset_hw(efx, reset_method); if (rc) goto out; tests->registers = efx_nic_test_registers(efx, siena_register_tests, ARRAY_SIZE(siena_register_tests)) ? -1 : 1; rc = siena_reset_hw(efx, reset_method); out: rc2 = efx_reset_up(efx, reset_method, rc == 0); return rc ? rc : rc2; }
static int siena_probe_nic(struct efx_nic *efx) { struct siena_nic_data *nic_data; bool already_attached = 0; efx_oword_t reg; int rc; /* Allocate storage for hardware specific data */ nic_data = kzalloc(sizeof(struct siena_nic_data), GFP_KERNEL); if (!nic_data) return -ENOMEM; efx->nic_data = nic_data; if (efx_nic_fpga_ver(efx) != 0) { netif_err(efx, probe, efx->net_dev, "Siena FPGA not supported\n"); rc = -ENODEV; goto fail1; } efx_reado(efx, ®, FR_AZ_CS_DEBUG); efx->net_dev->dev_id = EFX_OWORD_FIELD(reg, FRF_CZ_CS_PORT_NUM) - 1; /* Initialise MCDI */ nic_data->mcdi_smem = ioremap_nocache(efx->membase_phys + FR_CZ_MC_TREG_SMEM, FR_CZ_MC_TREG_SMEM_STEP * FR_CZ_MC_TREG_SMEM_ROWS); if (!nic_data->mcdi_smem) { netif_err(efx, probe, efx->net_dev, "could not map MCDI at %llx+%x\n", (unsigned long long)efx->membase_phys + FR_CZ_MC_TREG_SMEM, FR_CZ_MC_TREG_SMEM_STEP * FR_CZ_MC_TREG_SMEM_ROWS); rc = -ENOMEM; goto fail1; } efx_mcdi_init(efx); /* Recover from a failed assertion before probing */ rc = efx_mcdi_handle_assertion(efx); if (rc) goto fail2; /* Let the BMC know that the driver is now in charge of link and * filter settings. We must do this before we reset the NIC */ rc = efx_mcdi_drv_attach(efx, true, &already_attached); if (rc) { netif_err(efx, probe, efx->net_dev, "Unable to register driver with MCPU\n"); goto fail2; } if (already_attached) /* Not a fatal error */ netif_err(efx, probe, efx->net_dev, "Host already registered with MCPU\n"); /* Now we can reset the NIC */ rc = siena_reset_hw(efx, RESET_TYPE_ALL); if (rc) { netif_err(efx, probe, efx->net_dev, "failed to reset NIC\n"); goto fail3; } siena_init_wol(efx); /* Allocate memory for INT_KER */ rc = efx_nic_alloc_buffer(efx, &efx->irq_status, sizeof(efx_oword_t)); if (rc) goto fail4; BUG_ON(efx->irq_status.dma_addr & 0x0f); netif_dbg(efx, probe, efx->net_dev, "INT_KER at %llx (virt %p phys %llx)\n", (unsigned long long)efx->irq_status.dma_addr, efx->irq_status.addr, (unsigned long long)virt_to_phys(efx->irq_status.addr)); /* Read in the non-volatile configuration */ rc = siena_probe_nvconfig(efx); if (rc == -EINVAL) { netif_err(efx, probe, efx->net_dev, "NVRAM is invalid therefore using defaults\n"); efx->phy_type = PHY_TYPE_NONE; efx->mdio.prtad = MDIO_PRTAD_NONE; } else if (rc) { goto fail5; } return 0; fail5: efx_nic_free_buffer(efx, &efx->irq_status); fail4: fail3: efx_mcdi_drv_attach(efx, false, NULL); fail2: iounmap(nic_data->mcdi_smem); fail1: kfree(efx->nic_data); return rc; }