leandrof/linux
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

mei: add hbm and pg state in devstate debugfs print

Browse Source 
Add hbm state, pg enablement and state to devstate file in debugfs
(<debugfs>/mei/devstate)

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexander Usyskin 2014-09-29 16:31:33 +03:00 committed by Greg Kroah-Hartman
parent 046c7911b2
commit 1beeb4b9fb
5 changed files with 38 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

7
drivers/misc/mei/debugfs.c
View File

@ -134,8 +134,13 @@ static ssize_t mei_dbgfs_read_devstate(struct file *fp, char __user *ubuf,
if (!buf)
return -ENOMEM;
pos += scnprintf(buf + pos, bufsz - pos, "%s\n",
pos += scnprintf(buf + pos, bufsz - pos, "dev: %s\n",
mei_dev_state_str(dev->dev_state));
pos += scnprintf(buf + pos, bufsz - pos, "hbm: %s\n",
mei_hbm_state_str(dev->hbm_state));
pos += scnprintf(buf + pos, bufsz - pos, "pg: %s, %s\n",
mei_pg_is_enabled(dev) ? "ENABLED" : "DISABLED",
mei_pg_state_str(mei_pg_state(dev)));
ret = simple_read_from_buffer(ubuf, cnt, ppos, buf, pos);
kfree(buf);
return ret;

16
drivers/misc/mei/hbm.c
View File

@ -56,6 +56,22 @@ static const char *mei_cl_conn_status_str(enum mei_cl_connect_status status)
#undef MEI_CL_CCS
}
const char *mei_hbm_state_str(enum mei_hbm_state state)
{
#define MEI_HBM_STATE(state) case MEI_HBM_##state: return #state
switch (state) {
MEI_HBM_STATE(IDLE);
MEI_HBM_STATE(STARTING);
MEI_HBM_STATE(STARTED);
MEI_HBM_STATE(ENUM_CLIENTS);
MEI_HBM_STATE(CLIENT_PROPERTIES);
MEI_HBM_STATE(STOPPED);
default:
return "unknown";
}
#undef MEI_HBM_STATE
}
/**
* mei_cl_conn_status_to_errno - convert client connect response
* status to error code

2
drivers/misc/mei/hbm.h
View File

@ -40,6 +40,8 @@ enum mei_hbm_state {
MEI_HBM_STOPPED,
};
const char *mei_hbm_state_str(enum mei_hbm_state state);
int mei_hbm_dispatch(struct mei_device *dev, struct mei_msg_hdr *hdr);
static inline void mei_hbm_hdr(struct mei_msg_hdr *hdr, size_t length)

12
drivers/misc/mei/init.c
View File

@ -43,6 +43,18 @@ const char *mei_dev_state_str(int state)
#undef MEI_DEV_STATE
}
const char *mei_pg_state_str(enum mei_pg_state state)
{
#define MEI_PG_STATE(state) case MEI_PG_##state: return #state
switch (state) {
MEI_PG_STATE(OFF);
MEI_PG_STATE(ON);
default:
return "unknown";
}
#undef MEI_PG_STATE
}
/**
* mei_cancel_work. Cancel mei background jobs

2
drivers/misc/mei/mei_dev.h
View File

@ -375,6 +375,8 @@ enum mei_pg_state {
MEI_PG_ON = 1,
};
const char *mei_pg_state_str(enum mei_pg_state state);
/*
* mei_cfg
*