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authorYuval Mintz <yuvalmin@broadcom.com>2013-12-26 09:57:08 +0200
committerDavid S. Miller <davem@davemloft.net>2013-12-26 13:38:21 -0500
commit33d8e6a5f555b0d61cb3cb0e3c28e611c7408f4e (patch)
tree0d388850ff1b027c02bad0a014ef447901facf1b /drivers
parent91ebb929b6f802604bb0ccdd3fec9c7b30d804f1 (diff)
downloadlinux-33d8e6a5f555b0d61cb3cb0e3c28e611c7408f4e.tar.bz2
bnx2x: Add AER support (missing bits)
This function adds several OS calls required to fully enable PCIe AER support - pci_enable_pcie_error_reporting() and pci_cleanup_aer_uncorrect_error_status(). Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x.h1
-rw-r--r--drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c29
2 files changed, 30 insertions, 0 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
index 52019a90cd15..dad67905f4e2 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
@@ -1546,6 +1546,7 @@ struct bnx2x {
#define INTERRUPTS_ENABLED_FLAG (1 << 23)
#define BC_SUPPORTS_RMMOD_CMD (1 << 24)
#define HAS_PHYS_PORT_ID (1 << 25)
+#define AER_ENABLED (1 << 26)
#define BP_NOMCP(bp) ((bp)->flags & NO_MCP_FLAG)
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
index 591041379b27..72973cc7ecbe 100644
--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
+++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c
@@ -27,6 +27,7 @@
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/pci.h>
+#include <linux/aer.h>
#include <linux/init.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
@@ -12225,6 +12226,14 @@ static int bnx2x_set_coherency_mask(struct bnx2x *bp)
return 0;
}
+static void bnx2x_disable_pcie_error_reporting(struct bnx2x *bp)
+{
+ if (bp->flags & AER_ENABLED) {
+ pci_disable_pcie_error_reporting(bp->pdev);
+ bp->flags &= ~AER_ENABLED;
+ }
+}
+
static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev,
struct net_device *dev, unsigned long board_type)
{
@@ -12331,6 +12340,14 @@ static int bnx2x_init_dev(struct bnx2x *bp, struct pci_dev *pdev,
/* clean indirect addresses */
pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS,
PCICFG_VENDOR_ID_OFFSET);
+
+ /* AER (Advanced Error reporting) configuration */
+ rc = pci_enable_pcie_error_reporting(pdev);
+ if (!rc)
+ bp->flags |= AER_ENABLED;
+ else
+ BNX2X_DEV_INFO("Failed To configure PCIe AER [%d]\n", rc);
+
/*
* Clean the following indirect addresses for all functions since it
* is not used by the driver.
@@ -12938,6 +12955,8 @@ static int bnx2x_init_one(struct pci_dev *pdev,
return 0;
init_one_exit:
+ bnx2x_disable_pcie_error_reporting(bp);
+
if (bp->regview)
iounmap(bp->regview);
@@ -13011,6 +13030,8 @@ static void __bnx2x_remove(struct pci_dev *pdev,
pci_set_power_state(pdev, PCI_D3hot);
}
+ bnx2x_disable_pcie_error_reporting(bp);
+
if (bp->regview)
iounmap(bp->regview);
@@ -13188,6 +13209,14 @@ static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev)
rtnl_unlock();
+ /* If AER, perform cleanup of the PCIe registers */
+ if (bp->flags & AER_ENABLED) {
+ if (pci_cleanup_aer_uncorrect_error_status(pdev))
+ BNX2X_ERR("pci_cleanup_aer_uncorrect_error_status failed\n");
+ else
+ DP(NETIF_MSG_HW, "pci_cleanup_aer_uncorrect_error_status succeeded\n");
+ }
+
return PCI_ERS_RESULT_RECOVERED;
}