Exemplo n.º 1
0
			void
siena_nic_unprobe(
	__in		efx_nic_t *enp)
{
#if EFSYS_OPT_MON_STATS
	mcdi_mon_cfg_free(enp);
#endif /* EFSYS_OPT_MON_STATS */
	(void) efx_mcdi_drv_attach(enp, B_FALSE);
}
Exemplo n.º 2
0
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;
}
Exemplo n.º 3
0
	__checkReturn	efx_rc_t
siena_nic_probe(
	__in		efx_nic_t *enp)
{
	efx_port_t *epp = &(enp->en_port);
	efx_nic_cfg_t *encp = &(enp->en_nic_cfg);
	siena_link_state_t sls;
	unsigned int mask;
	efx_oword_t oword;
	efx_rc_t rc;

	EFSYS_ASSERT3U(enp->en_family, ==, EFX_FAMILY_SIENA);

	/* Test BIU */
	if ((rc = efx_nic_biu_test(enp)) != 0)
		goto fail1;

	/* Clear the region register */
	EFX_POPULATE_OWORD_4(oword,
	    FRF_AZ_ADR_REGION0, 0,
	    FRF_AZ_ADR_REGION1, (1 << 16),
	    FRF_AZ_ADR_REGION2, (2 << 16),
	    FRF_AZ_ADR_REGION3, (3 << 16));
	EFX_BAR_WRITEO(enp, FR_AZ_ADR_REGION_REG, &oword);

	/* Read clear any assertion state */
	if ((rc = efx_mcdi_read_assertion(enp)) != 0)
		goto fail2;

	/* Exit the assertion handler */
	if ((rc = efx_mcdi_exit_assertion_handler(enp)) != 0)
		goto fail3;

	/* Wrestle control from the BMC */
	if ((rc = efx_mcdi_drv_attach(enp, B_TRUE)) != 0)
		goto fail4;

	if ((rc = siena_board_cfg(enp)) != 0)
		goto fail5;

	if ((rc = siena_phy_cfg(enp)) != 0)
		goto fail6;

	/* Obtain the default PHY advertised capabilities */
	if ((rc = siena_nic_reset(enp)) != 0)
		goto fail7;
	if ((rc = siena_phy_get_link(enp, &sls)) != 0)
		goto fail8;
	epp->ep_default_adv_cap_mask = sls.sls_adv_cap_mask;
	epp->ep_adv_cap_mask = sls.sls_adv_cap_mask;

#if EFSYS_OPT_VPD || EFSYS_OPT_NVRAM
	if ((rc = siena_nic_get_partn_mask(enp, &mask)) != 0)
		goto fail9;
	enp->en_u.siena.enu_partn_mask = mask;
#endif

#if EFSYS_OPT_MAC_STATS
	/* Wipe the MAC statistics */
	if ((rc = efx_mcdi_mac_stats_clear(enp)) != 0)
		goto fail10;
#endif

#if EFSYS_OPT_LOOPBACK
	if ((rc = efx_mcdi_get_loopback_modes(enp)) != 0)
		goto fail11;
#endif

#if EFSYS_OPT_MON_STATS
	if ((rc = mcdi_mon_cfg_build(enp)) != 0)
		goto fail12;
#endif

	encp->enc_features = enp->en_features;

	return (0);

#if EFSYS_OPT_MON_STATS
fail12:
	EFSYS_PROBE(fail12);
#endif
#if EFSYS_OPT_LOOPBACK
fail11:
	EFSYS_PROBE(fail11);
#endif
#if EFSYS_OPT_MAC_STATS
fail10:
	EFSYS_PROBE(fail10);
#endif
#if EFSYS_OPT_VPD || EFSYS_OPT_NVRAM
fail9:
	EFSYS_PROBE(fail9);
#endif
fail8:
	EFSYS_PROBE(fail8);
fail7:
	EFSYS_PROBE(fail7);
fail6:
	EFSYS_PROBE(fail6);
fail5:
	EFSYS_PROBE(fail5);
fail4:
	EFSYS_PROBE(fail4);
fail3:
	EFSYS_PROBE(fail3);
fail2:
	EFSYS_PROBE(fail2);
fail1:
	EFSYS_PROBE1(fail1, efx_rc_t, rc);

	return (rc);
}
Exemplo n.º 4
0
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, &reg, 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;
}