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amd-xgbe: Add ECC status support for the device memory

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Some versions of the amd-xgbe device are capable of reporting ECC error
information back to the driver. Add support to process, track and report
on this information.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Lendacky, Thomas
2016-11-10 17:10:26 -06:00
committed by David S. Miller
parent 4c70dd8ac9
commit e78332b228
7 changed files with 340 additions and 3 deletions
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13
drivers/net/ethernet/amd/xgbe/xgbe-main.c
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@@ -190,6 +190,7 @@ struct xgbe_prv_data *xgbe_alloc_pdata(struct device *dev)
pdata->msg_enable = netif_msg_init(debug, default_msg_level);
set_bit(XGBE_DOWN, &pdata->dev_state);
set_bit(XGBE_STOPPED, &pdata->dev_state);
return pdata;
}
@@ -263,6 +264,14 @@ int xgbe_config_netdev(struct xgbe_prv_data *pdata)
netdev->base_addr = (unsigned long)pdata->xgmac_regs;
memcpy(netdev->dev_addr, pdata->mac_addr, netdev->addr_len);
/* Initialize ECC timestamps */
pdata->tx_sec_period = jiffies;
pdata->tx_ded_period = jiffies;
pdata->rx_sec_period = jiffies;
pdata->rx_ded_period = jiffies;
pdata->desc_sec_period = jiffies;
pdata->desc_ded_period = jiffies;
/* Issue software reset to device */
pdata->hw_if.exit(pdata);
@@ -384,6 +393,10 @@ int xgbe_config_netdev(struct xgbe_prv_data *pdata)
snprintf(pdata->an_name, sizeof(pdata->an_name) - 1, "%s-pcs",
netdev_name(netdev));
/* Create the ECC name based on netdev name */
snprintf(pdata->ecc_name, sizeof(pdata->ecc_name) - 1, "%s-ecc",
netdev_name(netdev));
/* Create workqueues */
pdata->dev_workqueue =
create_singlethread_workqueue(netdev_name(netdev));