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authorAlexander Usyskin <alexander.usyskin@intel.com>2014-09-29 16:31:33 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-09-29 11:56:00 -0400
commit1beeb4b9fbb27432f93ae8fe157228b7b897974a (patch)
tree4dee2cee20c2d535a0fae7a959d7095b5ebdbff4 /drivers/misc
parent046c7911b224267062ab1caeabbf11bc46e9c152 (diff)
downloadop-kernel-dev-1beeb4b9fbb27432f93ae8fe157228b7b897974a.zip
op-kernel-dev-1beeb4b9fbb27432f93ae8fe157228b7b897974a.tar.gz
mei: add hbm and pg state in devstate debugfs print
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>
Diffstat (limited to 'drivers/misc')
-rw-r--r--drivers/misc/mei/debugfs.c7
-rw-r--r--drivers/misc/mei/hbm.c16
-rw-r--r--drivers/misc/mei/hbm.h2
-rw-r--r--drivers/misc/mei/init.c12
-rw-r--r--drivers/misc/mei/mei_dev.h2
5 files changed, 38 insertions, 1 deletions
diff --git a/drivers/misc/mei/debugfs.c b/drivers/misc/mei/debugfs.c
index 3b03288..2399b31 100644
--- a/drivers/misc/mei/debugfs.c
+++ b/drivers/misc/mei/debugfs.c
@@ -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;
diff --git a/drivers/misc/mei/hbm.c b/drivers/misc/mei/hbm.c
index 9fc051b..3311b5c 100644
--- a/drivers/misc/mei/hbm.c
+++ b/drivers/misc/mei/hbm.c
@@ -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
diff --git a/drivers/misc/mei/hbm.h b/drivers/misc/mei/hbm.h
index 80920f0..efcb0d4 100644
--- a/drivers/misc/mei/hbm.h
+++ b/drivers/misc/mei/hbm.h
@@ -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)
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index 9f635be..81695e4 100644
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -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
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h
index 719edee..be7b1476 100644
--- a/drivers/misc/mei/mei_dev.h
+++ b/drivers/misc/mei/mei_dev.h
@@ -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
*
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