korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-12-25 12:04:46 +08:00
Code Issues Packages Projects Releases Wiki Activity

cxgb4: Add support in debugfs to display sensor information

Browse Source 
Dump out various chip sensor information. Currently Chip Temperature
and Core Voltage.

Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Hariprasad Shenai 2015-02-06 19:32:51 +05:30 committed by David S. Miller
parent bdb2748202
commit 70a5f3bb5f
2 changed files with 42 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

36
drivers/net/ethernet/chelsio/cxgb4/cxgb4_debugfs.c
View File

@ -813,6 +813,41 @@ static const struct file_operations mps_tcam_debugfs_fops = {
.release = seq_release,
};
/* Display various sensor information.
*/
static int sensors_show(struct seq_file *seq, void *v)
{
struct adapter *adap = seq->private;
u32 param[7], val[7];
int ret;
/* Note that if the sensors haven't been initialized and turned on
* we'll get values of 0, so treat those as "<unknown>" ...
*/
param[0] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_TMP));
param[1] = (FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_DIAG) |
FW_PARAMS_PARAM_Y_V(FW_PARAM_DEV_DIAG_VDD));
ret = t4_query_params(adap, adap->mbox, adap->fn, 0, 2,
param, val);
if (ret < 0 || val[0] == 0)
seq_puts(seq, "Temperature: <unknown>\n");
else
seq_printf(seq, "Temperature: %dC\n", val[0]);
if (ret < 0 || val[1] == 0)
seq_puts(seq, "Core VDD: <unknown>\n");
else
seq_printf(seq, "Core VDD: %dmV\n", val[1]);
return 0;
}
DEFINE_SIMPLE_DEBUGFS_FILE(sensors);
#if IS_ENABLED(CONFIG_IPV6)
static int clip_tbl_open(struct inode *inode, struct file *file)
{
@ -1584,6 +1619,7 @@ int t4_setup_debugfs(struct adapter *adap)
{ "obq_ulp3", &cim_obq_fops, S_IRUSR, 3 },
{ "obq_sge", &cim_obq_fops, S_IRUSR, 4 },
{ "obq_ncsi", &cim_obq_fops, S_IRUSR, 5 },
{ "sensors", &sensors_debugfs_fops, S_IRUSR, 0 },
{ "pm_stats", &pm_stats_debugfs_fops, S_IRUSR, 0 },
#if IS_ENABLED(CONFIG_IPV6)
{ "clip_tbl", &clip_tbl_debugfs_fops, S_IRUSR, 0 },

6
drivers/net/ethernet/chelsio/cxgb4/t4fw_api.h
View File

@ -1059,6 +1059,7 @@ enum fw_params_param_dev {
FW_PARAMS_PARAM_DEV_FWREV = 0x0B,
FW_PARAMS_PARAM_DEV_TPREV = 0x0C,
FW_PARAMS_PARAM_DEV_CF = 0x0D,
FW_PARAMS_PARAM_DEV_DIAG = 0x11,
FW_PARAMS_PARAM_DEV_MAXORDIRD_QP = 0x13, /* max supported QP IRD/ORD */
FW_PARAMS_PARAM_DEV_MAXIRD_ADAPTER = 0x14, /* max supported adap IRD */
FW_PARAMS_PARAM_DEV_ULPTX_MEMWRITE_DSGL = 0x17,
@ -1122,6 +1123,11 @@ enum fw_params_param_dmaq {
FW_PARAMS_PARAM_DMAQ_EQ_DCBPRIO_ETH = 0x13,
};
enum fw_params_param_dev_diag {
FW_PARAM_DEV_DIAG_TMP = 0x00,
FW_PARAM_DEV_DIAG_VDD = 0x01,
};
enum fw_params_param_dev_fwcache {
FW_PARAM_DEV_FWCACHE_FLUSH = 0x00,
FW_PARAM_DEV_FWCACHE_FLUSHINV = 0x01,