[dpdk-dev] [PATCH 13/17] ixgbe/base: support new thermal alarm

[Wenzhuo Lu <wenzhuo.lu@intel.com>]

This patch adds support for the new thermal sensor alarms indication.

Signed-off-by: Wenzhuo Lu <wenzhuo.lu@intel.com>
---
 drivers/net/ixgbe/base/ixgbe_type.h |  4 ++++
 drivers/net/ixgbe/base/ixgbe_x550.c | 22 +++++++++++++++++++---
 2 files changed, 23 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ixgbe/base/ixgbe_type.h b/drivers/net/ixgbe/base/ixgbe_type.h
index cd2bd7d..d6b641d 100644
--- a/drivers/net/ixgbe/base/ixgbe_type.h
+++ b/drivers/net/ixgbe/base/ixgbe_type.h
@@ -1496,13 +1496,17 @@ struct ixgbe_dmac_config {
 #define IXGBE_MDIO_GLOBAL_INT_CHIP_VEN_MASK	0xFF01 /* int chip-wide mask */
 #define IXGBE_MDIO_GLOBAL_INT_CHIP_VEN_FLAG	0xFC01 /* int chip-wide mask */
 #define IXGBE_MDIO_GLOBAL_ALARM_1		0xCC00 /* Global alarm 1 */
+#define IXGBE_MDIO_GLOBAL_ALM_1_DEV_FAULT	0x0010 /* device fault */
 #define IXGBE_MDIO_GLOBAL_ALM_1_HI_TMP_FAIL	0x4000 /* high temp failure */
+#define IXGBE_MDIO_GLOBAL_FAULT_MSG	0xC850 /* Global Fault Message */
+#define IXGBE_MDIO_GLOBAL_FAULT_MSG_HI_TMP	0x8007 /* high temp failure */
 #define IXGBE_MDIO_GLOBAL_INT_MASK		0xD400 /* Global int mask */
 #define IXGBE_MDIO_GLOBAL_AN_VEN_ALM_INT_EN	0x1000 /* autoneg vendor alarm int enable */
 #define IXGBE_MDIO_GLOBAL_ALARM_1_INT		0x4 /* int in Global alarm 1 */
 #define IXGBE_MDIO_GLOBAL_VEN_ALM_INT_EN	0x1 /* vendor alarm int enable */
 #define IXGBE_MDIO_GLOBAL_STD_ALM2_INT		0x200 /* vendor alarm2 int mask */
 #define IXGBE_MDIO_GLOBAL_INT_HI_TEMP_EN	0x4000 /* int high temp enable */
+#define IXGBE_MDIO_GLOBAL_INT_DEV_FAULT_EN 0x0010 /* int dev fault enable */
 #define IXGBE_MDIO_PMA_PMD_CONTROL_ADDR	0x0000 /* PMA/PMD Control Reg */
 #define IXGBE_MDIO_PMA_PMD_SDA_SCL_ADDR	0xC30A /* PHY_XS SDA/SCL Addr Reg */
 #define IXGBE_MDIO_PMA_PMD_SDA_SCL_DATA	0xC30B /* PHY_XS SDA/SCL Data Reg */
diff --git a/drivers/net/ixgbe/base/ixgbe_x550.c b/drivers/net/ixgbe/base/ixgbe_x550.c
index 6061b37..0399fd9 100644
--- a/drivers/net/ixgbe/base/ixgbe_x550.c
+++ b/drivers/net/ixgbe/base/ixgbe_x550.c
@@ -1267,7 +1267,7 @@ STATIC s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc)
 	    IXGBE_MDIO_GLOBAL_ALARM_1_INT)))
 		return status;
 
-	/* High temperature failure alarm triggered */
+	/* Global alarm triggered */
 	status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_ALARM_1,
 				      IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
 				      &reg);
@@ -1280,6 +1280,21 @@ STATIC s32 ixgbe_get_lasi_ext_t_x550em(struct ixgbe_hw *hw, bool *lsc)
 		/* power down the PHY in case the PHY FW didn't already */
 		ixgbe_set_copper_phy_power(hw, false);
 		return IXGBE_ERR_OVERTEMP;
+	} else if (reg & IXGBE_MDIO_GLOBAL_ALM_1_DEV_FAULT) {
+		/*  device fault alarm triggered */
+		status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_FAULT_MSG,
+					  IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
+					  &reg);
+
+		if (status != IXGBE_SUCCESS)
+			return status;
+
+		/* if device fault was due to high temp alarm handle and exit */
+		if (reg == IXGBE_MDIO_GLOBAL_FAULT_MSG_HI_TMP) {
+			/* power down the PHY in case the PHY FW didn't */
+			ixgbe_set_copper_phy_power(hw, false);
+			return IXGBE_ERR_OVERTEMP;
+		}
 	}
 
 	/* Vendor alarm 2 triggered */
@@ -1337,7 +1352,7 @@ STATIC s32 ixgbe_enable_lasi_ext_t_x550em(struct ixgbe_hw *hw)
 	if (status != IXGBE_SUCCESS)
 		return status;
 
-	/* Enables high temperature failure alarm */
+	/* Enable high temperature failure and global fault alarms */
 	status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_GLOBAL_INT_MASK,
 				      IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
 				      &reg);
@@ -1345,7 +1360,8 @@ STATIC s32 ixgbe_enable_lasi_ext_t_x550em(struct ixgbe_hw *hw)
 	if (status != IXGBE_SUCCESS)
 		return status;
 
-	reg |= IXGBE_MDIO_GLOBAL_INT_HI_TEMP_EN;
+	reg |= (IXGBE_MDIO_GLOBAL_INT_HI_TEMP_EN |
+		IXGBE_MDIO_GLOBAL_INT_DEV_FAULT_EN);
 
 	status = hw->phy.ops.write_reg(hw, IXGBE_MDIO_GLOBAL_INT_MASK,
 				       IXGBE_MDIO_VENDOR_SPECIFIC_1_DEV_TYPE,
-- 
1.9.3