Esempio n. 1
0
File: ethtool.c Progetto: A-K/linux
static int e1000_intr_test(struct e1000_adapter *adapter, u64 *data)
{
	struct net_device *netdev = adapter->netdev;
	struct e1000_hw *hw = &adapter->hw;
	u32 mask;
	u32 shared_int = 1;
	u32 irq = adapter->pdev->irq;
	int i;
	int ret_val = 0;
	int int_mode = E1000E_INT_MODE_LEGACY;

	*data = 0;

	/* NOTE: we don't test MSI/MSI-X interrupts here, yet */
	if (adapter->int_mode == E1000E_INT_MODE_MSIX) {
		int_mode = adapter->int_mode;
		e1000e_reset_interrupt_capability(adapter);
		adapter->int_mode = E1000E_INT_MODE_LEGACY;
		e1000e_set_interrupt_capability(adapter);
	}
	/* Hook up test interrupt handler just for this test */
	if (!request_irq(irq, e1000_test_intr, IRQF_PROBE_SHARED, netdev->name,
			 netdev)) {
		shared_int = 0;
	} else if (request_irq(irq, e1000_test_intr, IRQF_SHARED,
		 netdev->name, netdev)) {
		*data = 1;
		ret_val = -1;
		goto out;
	}
	e_info("testing %s interrupt\n", (shared_int ? "shared" : "unshared"));

	/* Disable all the interrupts */
	ew32(IMC, 0xFFFFFFFF);
	e1e_flush();
	usleep_range(10000, 20000);

	/* Test each interrupt */
	for (i = 0; i < 10; i++) {
		/* Interrupt to test */
		mask = 1 << i;

		if (adapter->flags & FLAG_IS_ICH) {
			switch (mask) {
			case E1000_ICR_RXSEQ:
				continue;
			case 0x00000100:
				if (adapter->hw.mac.type == e1000_ich8lan ||
				    adapter->hw.mac.type == e1000_ich9lan)
					continue;
				break;
			default:
				break;
			}
		}

		if (!shared_int) {
			/*
			 * Disable the interrupt to be reported in
			 * the cause register and then force the same
			 * interrupt and see if one gets posted.  If
			 * an interrupt was posted to the bus, the
			 * test failed.
			 */
			adapter->test_icr = 0;
			ew32(IMC, mask);
			ew32(ICS, mask);
			e1e_flush();
			usleep_range(10000, 20000);

			if (adapter->test_icr & mask) {
				*data = 3;
				break;
			}
		}

		/*
		 * Enable the interrupt to be reported in
		 * the cause register and then force the same
		 * interrupt and see if one gets posted.  If
		 * an interrupt was not posted to the bus, the
		 * test failed.
		 */
		adapter->test_icr = 0;
		ew32(IMS, mask);
		ew32(ICS, mask);
		e1e_flush();
		usleep_range(10000, 20000);

		if (!(adapter->test_icr & mask)) {
			*data = 4;
			break;
		}

		if (!shared_int) {
			/*
			 * Disable the other interrupts to be reported in
			 * the cause register and then force the other
			 * interrupts and see if any get posted.  If
			 * an interrupt was posted to the bus, the
			 * test failed.
			 */
			adapter->test_icr = 0;
			ew32(IMC, ~mask & 0x00007FFF);
			ew32(ICS, ~mask & 0x00007FFF);
			e1e_flush();
			usleep_range(10000, 20000);

			if (adapter->test_icr) {
				*data = 5;
				break;
			}
		}
	}

	/* Disable all the interrupts */
	ew32(IMC, 0xFFFFFFFF);
	e1e_flush();
	usleep_range(10000, 20000);

	/* Unhook test interrupt handler */
	free_irq(irq, netdev);

out:
	if (int_mode == E1000E_INT_MODE_MSIX) {
		e1000e_reset_interrupt_capability(adapter);
		adapter->int_mode = int_mode;
		e1000e_set_interrupt_capability(adapter);
	}

	return ret_val;
}
Esempio n. 2
0
	unlock(&flash_lock);
}

static void dec_in_flight_param(void)
{
	lock(&flash_lock);
	assert(in_flight_params > 0);
	in_flight_params--;
	unlock(&flash_lock);
}

static void got_code_update_policy(uint32_t param_id __unused, int err_len,
				   void *data __unused)
{
	if (err_len != 4) {
		log_simple_error(&e_info(OPAL_RC_CU_INIT), "CUPD: Error "
			"retrieving code update policy: %d\n", err_len);
	} else
		prlog(PR_NOTICE, "CUPD: Code update policy from FSP: %d\n",
		      update_policy);

	dec_in_flight_param();
}

static void get_code_update_policy(void)
{
	int rc;

	inc_in_flight_param();
	rc = fsp_get_sys_param(SYS_PARAM_FLASH_POLICY, &update_policy, 4,
			       got_code_update_policy, NULL);
Esempio n. 3
0
			switch(sz) {
			case 1:
				*data = rdata >> 24;
				break;
			case 2:
				*data = rdata >> 16;
				break;
			default:
				*data = rdata;
				break;
			}
			return 0;
		}
		time_wait_nopoll(100);
	}
	log_simple_error(&e_info(OPAL_RC_LPC_READ), "LPC: Read timeout !\n");
	return OPAL_HARDWARE;
}

static int64_t lpc_set_fw_idsel(struct proc_chip *chip, uint8_t idsel)
{
	uint32_t val;
	int64_t rc;

	if (idsel == chip->lpc_fw_idsel)
		return OPAL_SUCCESS;
	if (idsel > 0xf)
		return OPAL_PARAMETER;

	rc = opb_read(chip, lpc_reg_opb_base + LPC_HC_FW_SEG_IDSEL,
		      &val, 4);
Esempio n. 4
0
static int64_t xscom_handle_error(uint64_t hmer, uint32_t gcid, uint32_t pcb_addr,
			      bool is_write, int64_t retries,
			      int64_t *xscom_clear_retries)
{
	unsigned int stat = GETFIELD(SPR_HMER_XSCOM_STATUS, hmer);
	int64_t rc = OPAL_HARDWARE;

	/* XXX Figure out error codes from doc and error
	 * recovery procedures
	 */
	switch(stat) {
	case 1:
		/*
		 * XSCOM engine is blocked, need to retry. Reset XSCOM
		 * engine after crossing retry threshold before
		 * retrying again.
		 */
		if (retries && !(retries  % XSCOM_BUSY_RESET_THRESHOLD)) {
			prlog(PR_NOTICE, "XSCOM: Busy even after %d retries, "
				"resetting XSCOM now. Total retries  = %lld\n",
				XSCOM_BUSY_RESET_THRESHOLD, retries);
			xscom_reset(gcid, true);

		}

		/* Log error if we have retried enough and its still busy */
		if (retries == XSCOM_BUSY_MAX_RETRIES)
			log_simple_error(&e_info(OPAL_RC_XSCOM_BUSY),
				"XSCOM: %s-busy error gcid=0x%x pcb_addr=0x%x "
				"stat=0x%x\n", is_write ? "write" : "read",
				gcid, pcb_addr, stat);
		return OPAL_XSCOM_BUSY;

	case 2: /* CPU is asleep, reset XSCOM engine and return */
		xscom_reset(gcid, false);
		return OPAL_XSCOM_CHIPLET_OFF;
	case 3: /* Partial good */
		rc = OPAL_XSCOM_PARTIAL_GOOD;
		break;
	case 4: /* Invalid address / address error */
		rc = OPAL_XSCOM_ADDR_ERROR;
		if (xscom_clear_error(gcid, pcb_addr)) {
			/* return busy if retries still pending. */
			if ((*xscom_clear_retries)--)
				return OPAL_XSCOM_BUSY;

			prlog(PR_DEBUG, "XSCOM: error recovery failed for "
				"gcid=0x%x pcb_addr=0x%x\n", gcid, pcb_addr);

		}
		break;
	case 5: /* Clock error */
		rc = OPAL_XSCOM_CLOCK_ERROR;
		break;
	case 6: /* Parity error  */
		rc = OPAL_XSCOM_PARITY_ERROR;
		break;
	case 7: /* Time out */
		rc = OPAL_XSCOM_TIMEOUT;
		break;
	}

	/* XXX: Create error log entry ? */
	log_simple_error(&e_info(OPAL_RC_XSCOM_RW),
		"XSCOM: %s error gcid=0x%x pcb_addr=0x%x stat=0x%x\n",
		is_write ? "write" : "read", gcid, pcb_addr, stat);

	/* We need to reset the XSCOM or we'll hang on the next access */
	xscom_reset(gcid, false);

	/* Non recovered ... just fail */
	return rc;
}
Esempio n. 5
0
/**
 * e1000e_check_options - Range Checking for Command Line Parameters
 * @adapter: board private structure
 *
 * This routine checks all command line parameters for valid user
 * input.  If an invalid value is given, or if no user specified
 * value exists, a default value is used.  The final value is stored
 * in a variable in the adapter structure.
 **/
void __devinit e1000e_check_options(struct e1000_adapter *adapter)
{
	struct e1000_hw *hw = &adapter->hw;
	int bd = adapter->bd_number;

	if (bd >= E1000_MAX_NIC) {
		e_notice("Warning: no configuration for board #%i\n", bd);
		e_notice("Using defaults for all values\n");
	}

	{ /* Transmit Interrupt Delay */
		const struct e1000_option opt = {
			.type = range_option,
			.name = "Transmit Interrupt Delay",
			.err  = "using default of "
				__MODULE_STRING(DEFAULT_TIDV),
			.def  = DEFAULT_TIDV,
			.arg  = { .r = { .min = MIN_TXDELAY,
					 .max = MAX_TXDELAY } }
		};

		if (num_TxIntDelay > bd) {
			adapter->tx_int_delay = TxIntDelay[bd];
			e1000_validate_option(&adapter->tx_int_delay, &opt,
					      adapter);
		} else {
			adapter->tx_int_delay = opt.def;
		}
	}
	{ /* Transmit Absolute Interrupt Delay */
		const struct e1000_option opt = {
			.type = range_option,
			.name = "Transmit Absolute Interrupt Delay",
			.err  = "using default of "
				__MODULE_STRING(DEFAULT_TADV),
			.def  = DEFAULT_TADV,
			.arg  = { .r = { .min = MIN_TXABSDELAY,
					 .max = MAX_TXABSDELAY } }
		};

		if (num_TxAbsIntDelay > bd) {
			adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
			e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
					      adapter);
		} else {
			adapter->tx_abs_int_delay = opt.def;
		}
	}
	{ /* Receive Interrupt Delay */
		struct e1000_option opt = {
			.type = range_option,
			.name = "Receive Interrupt Delay",
			.err  = "using default of "
				__MODULE_STRING(DEFAULT_RDTR),
			.def  = DEFAULT_RDTR,
			.arg  = { .r = { .min = MIN_RXDELAY,
					 .max = MAX_RXDELAY } }
		};

		if (num_RxIntDelay > bd) {
			adapter->rx_int_delay = RxIntDelay[bd];
			e1000_validate_option(&adapter->rx_int_delay, &opt,
					      adapter);
		} else {
			adapter->rx_int_delay = opt.def;
		}
	}
	{ /* Receive Absolute Interrupt Delay */
		const struct e1000_option opt = {
			.type = range_option,
			.name = "Receive Absolute Interrupt Delay",
			.err  = "using default of "
				__MODULE_STRING(DEFAULT_RADV),
			.def  = DEFAULT_RADV,
			.arg  = { .r = { .min = MIN_RXABSDELAY,
					 .max = MAX_RXABSDELAY } }
		};

		if (num_RxAbsIntDelay > bd) {
			adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
			e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
					      adapter);
		} else {
			adapter->rx_abs_int_delay = opt.def;
		}
	}
	{ /* Interrupt Throttling Rate */
		const struct e1000_option opt = {
			.type = range_option,
			.name = "Interrupt Throttling Rate (ints/sec)",
			.err  = "using default of "
				__MODULE_STRING(DEFAULT_ITR),
			.def  = DEFAULT_ITR,
			.arg  = { .r = { .min = MIN_ITR,
					 .max = MAX_ITR } }
		};

		if (num_InterruptThrottleRate > bd) {
			adapter->itr = InterruptThrottleRate[bd];
			switch (adapter->itr) {
			case 0:
				e_info("%s turned off\n", opt.name);
				break;
			case 1:
				e_info("%s set to dynamic mode\n", opt.name);
				adapter->itr_setting = adapter->itr;
				adapter->itr = 20000;
				break;
			case 3:
				e_info("%s set to dynamic conservative mode\n",
					opt.name);
				adapter->itr_setting = adapter->itr;
				adapter->itr = 20000;
				break;
			case 4:
				e_info("%s set to simplified (2000-8000 ints) "
				       "mode\n", opt.name);
				adapter->itr_setting = 4;
				break;
			default:
				/*
				 * Save the setting, because the dynamic bits
				 * change itr.
				 */
				if (e1000_validate_option(&adapter->itr, &opt,
							  adapter) &&
				    (adapter->itr == 3)) {
					/*
					 * In case of invalid user value,
					 * default to conservative mode.
					 */
					adapter->itr_setting = adapter->itr;
					adapter->itr = 20000;
				} else {
					/*
					 * Clear the lower two bits because
					 * they are used as control.
					 */
					adapter->itr_setting =
						adapter->itr & ~3;
				}
				break;
			}
		} else {
			adapter->itr_setting = opt.def;
			adapter->itr = 20000;
		}
	}
	{ /* Interrupt Mode */
		struct e1000_option opt = {
			.type = range_option,
			.name = "Interrupt Mode",
			.err  = "defaulting to 2 (MSI-X)",
			.def  = E1000E_INT_MODE_MSIX,
			.arg  = { .r = { .min = MIN_INTMODE,
					 .max = MAX_INTMODE } }
		};

		if (num_IntMode > bd) {
			unsigned int int_mode = IntMode[bd];
			e1000_validate_option(&int_mode, &opt, adapter);
			adapter->int_mode = int_mode;
		} else {
			adapter->int_mode = opt.def;
		}
	}
	{ /* Smart Power Down */
		const struct e1000_option opt = {
			.type = enable_option,
			.name = "PHY Smart Power Down",
			.err  = "defaulting to Disabled",
			.def  = OPTION_DISABLED
		};

		if (num_SmartPowerDownEnable > bd) {
			unsigned int spd = SmartPowerDownEnable[bd];
			e1000_validate_option(&spd, &opt, adapter);
			if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN)
			    && spd)
				adapter->flags |= FLAG_SMART_POWER_DOWN;
		}
	}
	{ /* CRC Stripping */
		const struct e1000_option opt = {
			.type = enable_option,
			.name = "CRC Stripping",
			.err  = "defaulting to enabled",
			.def  = OPTION_ENABLED
		};

		if (num_CrcStripping > bd) {
			unsigned int crc_stripping = CrcStripping[bd];
			e1000_validate_option(&crc_stripping, &opt, adapter);
			if (crc_stripping == OPTION_ENABLED)
				adapter->flags2 |= FLAG2_CRC_STRIPPING;
		} else {
			adapter->flags2 |= FLAG2_CRC_STRIPPING;
		}
	}
	{ /* Kumeran Lock Loss Workaround */
		const struct e1000_option opt = {
			.type = enable_option,
			.name = "Kumeran Lock Loss Workaround",
			.err  = "defaulting to Enabled",
			.def  = OPTION_ENABLED
		};

		if (num_KumeranLockLoss > bd) {
			unsigned int kmrn_lock_loss = KumeranLockLoss[bd];
			e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
			if (hw->mac.type == e1000_ich8lan)
				e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw,
								kmrn_lock_loss);
		} else {
			if (hw->mac.type == e1000_ich8lan)
				e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw,
								       opt.def);
		}
	}
	{ /* Write-protect NVM */
		const struct e1000_option opt = {
			.type = enable_option,
			.name = "Write-protect NVM",
			.err  = "defaulting to Enabled",
			.def  = OPTION_ENABLED
		};

		if (adapter->flags & FLAG_IS_ICH) {
			if (num_WriteProtectNVM > bd) {
				unsigned int write_protect_nvm = WriteProtectNVM[bd];
				e1000_validate_option(&write_protect_nvm, &opt,
						      adapter);
				if (write_protect_nvm)
					adapter->flags |= FLAG_READ_ONLY_NVM;
			} else {
				if (opt.def)
					adapter->flags |= FLAG_READ_ONLY_NVM;
			}
		}
	}
}
Esempio n. 6
0
File: param.c Progetto: Addision/LVS
/**
 * e1000e_check_options - Range Checking for Command Line Parameters
 * @adapter: board private structure
 *
 * This routine checks all command line parameters for valid user
 * input.  If an invalid value is given, or if no user specified
 * value exists, a default value is used.  The final value is stored
 * in a variable in the adapter structure.
 **/
void __devinit e1000e_check_options(struct e1000_adapter *adapter)
{
	struct e1000_hw *hw = &adapter->hw;
	int bd = adapter->bd_number;

	if (bd >= E1000_MAX_NIC) {
		e_notice("Warning: no configuration for board #%i\n", bd);
		e_notice("Using defaults for all values\n");
	}

	{ /* Transmit Interrupt Delay */
		static const struct e1000_option opt = {
			.type = range_option,
			.name = "Transmit Interrupt Delay",
			.err  = "using default of "
				__MODULE_STRING(DEFAULT_TIDV),
			.def  = DEFAULT_TIDV,
			.arg  = { .r = { .min = MIN_TXDELAY,
					 .max = MAX_TXDELAY } }
		};

		if (num_TxIntDelay > bd) {
			adapter->tx_int_delay = TxIntDelay[bd];
			e1000_validate_option(&adapter->tx_int_delay, &opt,
					      adapter);
		} else {
			adapter->tx_int_delay = opt.def;
		}
	}
	{ /* Transmit Absolute Interrupt Delay */
		static const struct e1000_option opt = {
			.type = range_option,
			.name = "Transmit Absolute Interrupt Delay",
			.err  = "using default of "
				__MODULE_STRING(DEFAULT_TADV),
			.def  = DEFAULT_TADV,
			.arg  = { .r = { .min = MIN_TXABSDELAY,
					 .max = MAX_TXABSDELAY } }
		};

		if (num_TxAbsIntDelay > bd) {
			adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
			e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
					      adapter);
		} else {
			adapter->tx_abs_int_delay = opt.def;
		}
	}
	{ /* Receive Interrupt Delay */
		static struct e1000_option opt = {
			.type = range_option,
			.name = "Receive Interrupt Delay",
			.err  = "using default of "
				__MODULE_STRING(DEFAULT_RDTR),
			.def  = DEFAULT_RDTR,
			.arg  = { .r = { .min = MIN_RXDELAY,
					 .max = MAX_RXDELAY } }
		};

		if (num_RxIntDelay > bd) {
			adapter->rx_int_delay = RxIntDelay[bd];
			e1000_validate_option(&adapter->rx_int_delay, &opt,
					      adapter);
		} else {
			adapter->rx_int_delay = opt.def;
		}
	}
	{ /* Receive Absolute Interrupt Delay */
		static const struct e1000_option opt = {
			.type = range_option,
			.name = "Receive Absolute Interrupt Delay",
			.err  = "using default of "
				__MODULE_STRING(DEFAULT_RADV),
			.def  = DEFAULT_RADV,
			.arg  = { .r = { .min = MIN_RXABSDELAY,
					 .max = MAX_RXABSDELAY } }
		};

		if (num_RxAbsIntDelay > bd) {
			adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
			e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
					      adapter);
		} else {
			adapter->rx_abs_int_delay = opt.def;
		}
	}
	{ /* Interrupt Throttling Rate */
		static const struct e1000_option opt = {
			.type = range_option,
			.name = "Interrupt Throttling Rate (ints/sec)",
			.err  = "using default of "
				__MODULE_STRING(DEFAULT_ITR),
			.def  = DEFAULT_ITR,
			.arg  = { .r = { .min = MIN_ITR,
					 .max = MAX_ITR } }
		};

		if (num_InterruptThrottleRate > bd) {
			adapter->itr = InterruptThrottleRate[bd];
			switch (adapter->itr) {
			case 0:
				e_info("%s turned off\n", opt.name);
				break;
			case 1:
				e_info("%s set to dynamic mode\n", opt.name);
				adapter->itr_setting = adapter->itr;
				adapter->itr = 20000;
				break;
			case 3:
				e_info("%s set to dynamic conservative mode\n",
					opt.name);
				adapter->itr_setting = adapter->itr;
				adapter->itr = 20000;
				break;
			case 4:
				e_info("%s set to simplified (2000-8000 ints) "
				       "mode\n", opt.name);
				adapter->itr_setting = 4;
				break;
			default:
				/*
				 * Save the setting, because the dynamic bits
				 * change itr.
				 */
				if (e1000_validate_option(&adapter->itr, &opt,
							  adapter) &&
				    (adapter->itr == 3)) {
					/*
					 * In case of invalid user value,
					 * default to conservative mode.
					 */
					adapter->itr_setting = adapter->itr;
					adapter->itr = 20000;
				} else {
					/*
					 * Clear the lower two bits because
					 * they are used as control.
					 */
					adapter->itr_setting =
						adapter->itr & ~3;
				}
				break;
			}
		} else {
			adapter->itr_setting = opt.def;
			adapter->itr = 20000;
		}
	}
#ifdef CONFIG_E1000E_MSIX
	{ /* Interrupt Mode */
		static struct e1000_option opt = {
			.type = range_option,
			.name = "Interrupt Mode",
			.err  = "defaulting to 2 (MSI-X)",
			.def  = E1000E_INT_MODE_MSIX,
			.arg  = { .r = { .min = MIN_INTMODE,
					 .max = MAX_INTMODE } }
		};

		if (num_IntMode > bd) {
			unsigned int int_mode = IntMode[bd];
			e1000_validate_option(&int_mode, &opt, adapter);
			adapter->int_mode = int_mode;
		} else {
			adapter->int_mode = opt.def;
		}
	}
#endif /* CONFIG_E1000E_MSIX */
	{ /* Smart Power Down */
		static const struct e1000_option opt = {
			.type = enable_option,
			.name = "PHY Smart Power Down",
			.err  = "defaulting to Disabled",
			.def  = OPTION_DISABLED
		};

		if (num_SmartPowerDownEnable > bd) {
			unsigned int spd = SmartPowerDownEnable[bd];
			e1000_validate_option(&spd, &opt, adapter);
			if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN)
			    && spd)
				adapter->flags |= FLAG_SMART_POWER_DOWN;
		}
	}
	{ /* CRC Stripping */
		static const struct e1000_option opt = {
			.type = enable_option,
			.name = "CRC Stripping",
			.err  = "defaulting to Enabled",
			.def  = OPTION_ENABLED
		};

		if (num_CrcStripping > bd) {
			unsigned int crc_stripping = CrcStripping[bd];
			e1000_validate_option(&crc_stripping, &opt, adapter);
			if (crc_stripping == OPTION_ENABLED)
				adapter->flags2 |= FLAG2_CRC_STRIPPING;
		} else {
			adapter->flags2 |= FLAG2_CRC_STRIPPING;
		}
	}
	{ /* Kumeran Lock Loss Workaround */
		static const struct e1000_option opt = {
			.type = enable_option,
			.name = "Kumeran Lock Loss Workaround",
			.err  = "defaulting to Enabled",
			.def  = OPTION_ENABLED
		};

		if (num_KumeranLockLoss > bd) {
			unsigned int kmrn_lock_loss = KumeranLockLoss[bd];
			e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
			if (hw->mac.type == e1000_ich8lan)
				e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw,
								kmrn_lock_loss);
		} else {
			if (hw->mac.type == e1000_ich8lan)
				e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw,
								       opt.def);
		}
	}
	{ /* EEE for parts supporting the feature */
		static const struct e1000_option opt = {
			.type = enable_option,
			.name = "EEE Support",
			.err  = "defaulting to Enabled",
			.def  = OPTION_ENABLED
		};

		if (adapter->flags2 & FLAG2_HAS_EEE) {
			/* Currently only supported on 82579 */
			if (num_EEE > bd) {
				unsigned int eee = EEE[bd];
				e1000_validate_option(&eee, &opt, adapter);
				hw->dev_spec.ich8lan.eee_disable = !eee;
			} else {
				hw->dev_spec.ich8lan.eee_disable = !opt.def;
			}
		}
	}
	{ /* configure node specific allocation */
		static struct e1000_option opt = {
			.type = range_option,
			.name = "Node used to allocate memory",
			.err  = "defaulting to -1 (disabled)",
#ifdef HAVE_EARLY_VMALLOC_NODE
			.def  = 0,
#else
			.def  = -1,
#endif
			.arg  = { .r = { .min = 0,
					 .max = MAX_NUMNODES - 1 } }
		};
		int node = opt.def;

		/* if the default was zero then we need to set the
		 * default value to an online node, which is not
		 * necessarily zero, and the constant initializer
		 * above can't take first_online_node */
		if (node == 0)
			/* must set opt.def for validate */
			opt.def = node = first_online_node;

		if (num_Node > bd) {
			node = Node[bd];
			e1000_validate_option((uint *)&node, &opt, adapter);
			if (node != OPTION_UNSET)
				e_info("node used for allocation: %d\n", node);
		}

		/* check sanity of the value */
		if ((node != -1) && !node_online(node)) {
			e_info("ignoring node set to invalid value %d\n", node);
			node = opt.def;
		}

		adapter->node = node;
	}
}
void __devinit e1000e_check_options(struct e1000_adapter *adapter)
{
	struct e1000_hw *hw = &adapter->hw;
	int bd = adapter->bd_number;

	if (bd >= E1000_MAX_NIC) {
		e_notice("Warning: no configuration for board #%i\n", bd);
		e_notice("Using defaults for all values\n");
	}

	{ 
		static const struct e1000_option opt = {
			.type = range_option,
			.name = "Transmit Interrupt Delay",
			.err  = "using default of "
				__MODULE_STRING(DEFAULT_TIDV),
			.def  = DEFAULT_TIDV,
			.arg  = { .r = { .min = MIN_TXDELAY,
					 .max = MAX_TXDELAY } }
		};

		if (num_TxIntDelay > bd) {
			adapter->tx_int_delay = TxIntDelay[bd];
			e1000_validate_option(&adapter->tx_int_delay, &opt,
					      adapter);
		} else {
			adapter->tx_int_delay = opt.def;
		}
	}
	{ 
		static const struct e1000_option opt = {
			.type = range_option,
			.name = "Transmit Absolute Interrupt Delay",
			.err  = "using default of "
				__MODULE_STRING(DEFAULT_TADV),
			.def  = DEFAULT_TADV,
			.arg  = { .r = { .min = MIN_TXABSDELAY,
					 .max = MAX_TXABSDELAY } }
		};

		if (num_TxAbsIntDelay > bd) {
			adapter->tx_abs_int_delay = TxAbsIntDelay[bd];
			e1000_validate_option(&adapter->tx_abs_int_delay, &opt,
					      adapter);
		} else {
			adapter->tx_abs_int_delay = opt.def;
		}
	}
	{ 
		static struct e1000_option opt = {
			.type = range_option,
			.name = "Receive Interrupt Delay",
			.err  = "using default of "
				__MODULE_STRING(DEFAULT_RDTR),
			.def  = DEFAULT_RDTR,
			.arg  = { .r = { .min = MIN_RXDELAY,
					 .max = MAX_RXDELAY } }
		};

		if (num_RxIntDelay > bd) {
			adapter->rx_int_delay = RxIntDelay[bd];
			e1000_validate_option(&adapter->rx_int_delay, &opt,
					      adapter);
		} else {
			adapter->rx_int_delay = opt.def;
		}
	}
	{ 
		static const struct e1000_option opt = {
			.type = range_option,
			.name = "Receive Absolute Interrupt Delay",
			.err  = "using default of "
				__MODULE_STRING(DEFAULT_RADV),
			.def  = DEFAULT_RADV,
			.arg  = { .r = { .min = MIN_RXABSDELAY,
					 .max = MAX_RXABSDELAY } }
		};

		if (num_RxAbsIntDelay > bd) {
			adapter->rx_abs_int_delay = RxAbsIntDelay[bd];
			e1000_validate_option(&adapter->rx_abs_int_delay, &opt,
					      adapter);
		} else {
			adapter->rx_abs_int_delay = opt.def;
		}
	}
	{ 
		static const struct e1000_option opt = {
			.type = range_option,
			.name = "Interrupt Throttling Rate (ints/sec)",
			.err  = "using default of "
				__MODULE_STRING(DEFAULT_ITR),
			.def  = DEFAULT_ITR,
			.arg  = { .r = { .min = MIN_ITR,
					 .max = MAX_ITR } }
		};

		if (num_InterruptThrottleRate > bd) {
			adapter->itr = InterruptThrottleRate[bd];

			if ((adapter->itr > 4) &&
			    e1000_validate_option(&adapter->itr, &opt, adapter))
				adapter->itr = opt.def;
		} else {
			adapter->itr = opt.def;

			if (adapter->itr > 40)
				e_info("%s set to default %d\n", opt.name,
				       adapter->itr);
		}

		adapter->itr_setting = adapter->itr;
		switch (adapter->itr) {
		case 0:
			e_info("%s turned off\n", opt.name);
			break;
		case 1:
			e_info("%s set to dynamic mode\n", opt.name);
			adapter->itr = 20000;
			break;
		case 3:
			e_info("%s set to dynamic conservative mode\n",
			       opt.name);
			adapter->itr = 20000;
			break;
		case 4:
			e_info("%s set to simplified (2000-8000 ints) mode\n",
			       opt.name);
			break;
		default:
			adapter->itr_setting &= ~3;
			break;
		}
	}
	{ 
		static struct e1000_option opt = {
			.type = range_option,
			.name = "Interrupt Mode",
#ifndef CONFIG_PCI_MSI
			.err  = "defaulting to 0 (legacy)",
			.def  = E1000E_INT_MODE_LEGACY,
			.arg  = { .r = { .min = 0,
					 .max = 0 } }
#endif
		};

#ifdef CONFIG_PCI_MSI
		if (adapter->flags & FLAG_HAS_MSIX) {
			opt.err = kstrdup("defaulting to 2 (MSI-X)",
					  GFP_KERNEL);
			opt.def = E1000E_INT_MODE_MSIX;
			opt.arg.r.max = E1000E_INT_MODE_MSIX;
		} else {
			opt.err = kstrdup("defaulting to 1 (MSI)", GFP_KERNEL);
			opt.def = E1000E_INT_MODE_MSI;
			opt.arg.r.max = E1000E_INT_MODE_MSI;
		}

		if (!opt.err) {
			dev_err(&adapter->pdev->dev,
				"Failed to allocate memory\n");
			return;
		}
#endif

		if (num_IntMode > bd) {
			unsigned int int_mode = IntMode[bd];
			e1000_validate_option(&int_mode, &opt, adapter);
			adapter->int_mode = int_mode;
		} else {
			adapter->int_mode = opt.def;
		}

#ifdef CONFIG_PCI_MSI
		kfree(opt.err);
#endif
	}
	{ 
		static const struct e1000_option opt = {
			.type = enable_option,
			.name = "PHY Smart Power Down",
			.err  = "defaulting to Disabled",
			.def  = OPTION_DISABLED
		};

		if (num_SmartPowerDownEnable > bd) {
			unsigned int spd = SmartPowerDownEnable[bd];
			e1000_validate_option(&spd, &opt, adapter);
			if ((adapter->flags & FLAG_HAS_SMART_POWER_DOWN)
			    && spd)
				adapter->flags |= FLAG_SMART_POWER_DOWN;
		}
	}
	{ 
		static const struct e1000_option opt = {
			.type = enable_option,
			.name = "CRC Stripping",
			.err  = "defaulting to Enabled",
			.def  = OPTION_ENABLED
		};

		if (num_CrcStripping > bd) {
			unsigned int crc_stripping = CrcStripping[bd];
			e1000_validate_option(&crc_stripping, &opt, adapter);
			if (crc_stripping == OPTION_ENABLED) {
				adapter->flags2 |= FLAG2_CRC_STRIPPING;
				adapter->flags2 |= FLAG2_DFLT_CRC_STRIPPING;
			}
		} else {
			adapter->flags2 |= FLAG2_CRC_STRIPPING;
			adapter->flags2 |= FLAG2_DFLT_CRC_STRIPPING;
		}
	}
	{ 
		static const struct e1000_option opt = {
			.type = enable_option,
			.name = "Kumeran Lock Loss Workaround",
			.err  = "defaulting to Enabled",
			.def  = OPTION_ENABLED
		};

		if (num_KumeranLockLoss > bd) {
			unsigned int kmrn_lock_loss = KumeranLockLoss[bd];
			e1000_validate_option(&kmrn_lock_loss, &opt, adapter);
			if (hw->mac.type == e1000_ich8lan)
				e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw,
								kmrn_lock_loss);
		} else {
			if (hw->mac.type == e1000_ich8lan)
				e1000e_set_kmrn_lock_loss_workaround_ich8lan(hw,
								       opt.def);
		}
	}
	{ 
		static const struct e1000_option opt = {
			.type = enable_option,
			.name = "Write-protect NVM",
			.err  = "defaulting to Enabled",
			.def  = OPTION_ENABLED
		};

		if (adapter->flags & FLAG_IS_ICH) {
			if (num_WriteProtectNVM > bd) {
				unsigned int write_protect_nvm = WriteProtectNVM[bd];
				e1000_validate_option(&write_protect_nvm, &opt,
						      adapter);
				if (write_protect_nvm)
					adapter->flags |= FLAG_READ_ONLY_NVM;
			} else {
				if (opt.def)
					adapter->flags |= FLAG_READ_ONLY_NVM;
			}
		}
	}
}
Esempio n. 8
0
static int64_t opb_write(struct lpcm *lpc, uint32_t addr, uint32_t data,
			 uint32_t sz)
{
	uint64_t ctl = ECCB_CTL_MAGIC, stat;
	int64_t rc, tout;
	uint64_t data_reg;

	if (lpc->mbase)
		return opb_mmio_write(lpc, addr, data, sz);

	switch(sz) {
	case 1:
		data_reg = ((uint64_t)data) << 56;
		break;
	case 2:
		data_reg = ((uint64_t)data) << 48;
		break;
	case 4:
		data_reg = ((uint64_t)data) << 32;
		break;
	default:
		prerror("Invalid data size %d\n", sz);
		return OPAL_PARAMETER;
	}

	rc = xscom_write(lpc->chip_id, lpc->xbase + ECCB_DATA, data_reg);
	if (rc) {
		log_simple_error(&e_info(OPAL_RC_LPC_WRITE),
			"LPC: XSCOM write to ECCB DATA error %lld\n", rc);
		return rc;
	}

	ctl = SETFIELD(ECCB_CTL_DATASZ, ctl, sz);
	ctl = SETFIELD(ECCB_CTL_ADDRLEN, ctl, ECCB_ADDRLEN_4B);
	ctl = SETFIELD(ECCB_CTL_ADDR, ctl, addr);
	rc = xscom_write(lpc->chip_id, lpc->xbase + ECCB_CTL, ctl);
	if (rc) {
		log_simple_error(&e_info(OPAL_RC_LPC_WRITE),
			"LPC: XSCOM write to ECCB CTL error %lld\n", rc);
		return rc;
	}

	for (tout = 0; tout < ECCB_TIMEOUT; tout++) {
		rc = xscom_read(lpc->chip_id, lpc->xbase + ECCB_STAT,
				&stat);
		if (rc) {
			log_simple_error(&e_info(OPAL_RC_LPC_WRITE),
				"LPC: XSCOM read from ECCB STAT err %lld\n",
									rc);
			return rc;
		}
		if (stat & ECCB_STAT_OP_DONE) {
			if (stat & ECCB_STAT_ERR_MASK) {
				log_simple_error(&e_info(OPAL_RC_LPC_WRITE),
					"LPC: Error status: 0x%llx\n", stat);
				return OPAL_HARDWARE;
			}
			return OPAL_SUCCESS;
		}
		time_wait_nopoll(100);
	}
	log_simple_error(&e_info(OPAL_RC_LPC_WRITE), "LPC: Write timeout !\n");
	return OPAL_HARDWARE;
}