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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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35
drivers/net/ethernet/amd/xgbe/xgbe.h
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@@ -285,6 +285,9 @@
#define XGBE_SGMII_AN_LINK_SPEED_1000 0x08
#define XGBE_SGMII_AN_LINK_DUPLEX BIT(4)
/* ECC correctable error notification window (seconds) */
#define XGBE_ECC_LIMIT 60
struct xgbe_prv_data;
struct xgbe_packet_data {
@@ -461,6 +464,7 @@ enum xgbe_state {
XGBE_DOWN,
XGBE_LINK_INIT,
XGBE_LINK_ERR,
XGBE_STOPPED,
};
enum xgbe_int {
@@ -480,6 +484,12 @@ enum xgbe_int_state {
XGMAC_INT_STATE_RESTORE,
};
enum xgbe_ecc_sec {
XGBE_ECC_SEC_TX,
XGBE_ECC_SEC_RX,
XGBE_ECC_SEC_DESC,
};
enum xgbe_speed {
XGBE_SPEED_1000 = 0,
XGBE_SPEED_2500,
@@ -694,6 +704,10 @@ struct xgbe_hw_if {
int (*disable_rss)(struct xgbe_prv_data *);
int (*set_rss_hash_key)(struct xgbe_prv_data *, const u8 *);
int (*set_rss_lookup_table)(struct xgbe_prv_data *, const u32 *);
/* For ECC */
void (*disable_ecc_ded)(struct xgbe_prv_data *);
void (*disable_ecc_sec)(struct xgbe_prv_data *, enum xgbe_ecc_sec);
};
/* This structure represents implementation specific routines for an
@@ -827,6 +841,7 @@ struct xgbe_version_data {
unsigned int tx_max_fifo_size;
unsigned int rx_max_fifo_size;
unsigned int tx_tstamp_workaround;
unsigned int ecc_support;
};
struct xgbe_prv_data {
@@ -868,6 +883,21 @@ struct xgbe_prv_data {
/* Flags representing xgbe_state */
unsigned long dev_state;
/* ECC support */
unsigned long tx_sec_period;
unsigned long tx_ded_period;
unsigned long rx_sec_period;
unsigned long rx_ded_period;
unsigned long desc_sec_period;
unsigned long desc_ded_period;
unsigned int tx_sec_count;
unsigned int tx_ded_count;
unsigned int rx_sec_count;
unsigned int rx_ded_count;
unsigned int desc_ded_count;
unsigned int desc_sec_count;
struct msix_entry *msix_entries;
int dev_irq;
int ecc_irq;
@@ -880,6 +910,8 @@ struct xgbe_prv_data {
unsigned int channel_irq_count;
unsigned int channel_irq_mode;
char ecc_name[IFNAMSIZ + 32];
struct xgbe_hw_if hw_if;
struct xgbe_phy_if phy_if;
struct xgbe_desc_if desc_if;
@@ -990,8 +1022,9 @@ struct xgbe_prv_data {
/* Hardware features of the device */
struct xgbe_hw_features hw_feat;
/* Device restart work structure */
/* Device work structures */
struct work_struct restart_work;
struct work_struct stopdev_work;
/* Keeps track of power mode */
unsigned int power_down;