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ixgbe: add hwmon interface to export thermal data

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Some of our adapters have thermal data available, this patch exports
this data via hwmon sysfs interface.

Signed-off-by: Don Skidmore <donald.c.skidmore@intel.com>
Tested-by: Stephen Ko <stephen.s.ko@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Don Skidmore
2012-04-12 00:33:31 +00:00
committed by Jeff Kirsher
parent e1ea9158e3
commit 3ca8bc6de2
9 changed files with 322 additions and 7 deletions
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26
drivers/net/ethernet/intel/ixgbe/ixgbe.h
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@@ -331,6 +331,26 @@ struct ixgbe_q_vector {
/* for dynamic allocation of rings associated with this q_vector */
struct ixgbe_ring ring[0] ____cacheline_internodealigned_in_smp;
};
#ifdef CONFIG_IXGBE_HWMON
#define IXGBE_HWMON_TYPE_LOC 0
#define IXGBE_HWMON_TYPE_TEMP 1
#define IXGBE_HWMON_TYPE_CAUTION 2
#define IXGBE_HWMON_TYPE_MAX 3
struct hwmon_attr {
struct device_attribute dev_attr;
struct ixgbe_hw *hw;
struct ixgbe_thermal_diode_data *sensor;
char name[12];
};
struct hwmon_buff {
struct device *device;
struct hwmon_attr *hwmon_list;
unsigned int n_hwmon;
};
#endif /* CONFIG_IXGBE_HWMON */
/*
* microsecond values for various ITR rates shifted by 2 to fit itr register
@@ -535,6 +555,10 @@ struct ixgbe_adapter {
u32 timer_event_accumulator;
u32 vferr_refcount;
struct kobject *info_kobj;
#ifdef CONFIG_IXGBE_HWMON
struct hwmon_buff ixgbe_hwmon_buff;
#endif /* CONFIG_IXGBE_HWMON */
};
struct ixgbe_fdir_filter {
@@ -635,6 +659,8 @@ extern int ixgbe_setup_tc(struct net_device *dev, u8 tc);
#endif
extern void ixgbe_tx_ctxtdesc(struct ixgbe_ring *, u32, u32, u32, u32);
extern void ixgbe_do_reset(struct net_device *netdev);
extern void ixgbe_sysfs_exit(struct ixgbe_adapter *adapter);
extern int ixgbe_sysfs_init(struct ixgbe_adapter *adapter);
#ifdef IXGBE_FCOE
extern void ixgbe_configure_fcoe(struct ixgbe_adapter *adapter);
extern int ixgbe_fso(struct ixgbe_ring *tx_ring,