mei: add per device configuration
Add mei_cfg structure that holds per device configuration
data and hooks, as the first step we add firmware
status register offsets
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>
diff --git a/drivers/misc/mei/init.c b/drivers/misc/mei/init.c
index 510f378..0069292 100644
--- a/drivers/misc/mei/init.c
+++ b/drivers/misc/mei/init.c
@@ -330,7 +330,28 @@
}
EXPORT_SYMBOL_GPL(mei_write_is_idle);
-void mei_device_init(struct mei_device *dev)
+int mei_fw_status(struct mei_device *dev, struct mei_fw_status *fw_status)
+{
+ int i;
+ const struct mei_fw_status *fw_src = &dev->cfg->fw_status;
+
+ if (!fw_status)
+ return -EINVAL;
+
+ fw_status->count = fw_src->count;
+ for (i = 0; i < fw_src->count && i < MEI_FW_STATUS_MAX; i++) {
+ int ret;
+ ret = pci_read_config_dword(dev->pdev,
+ fw_src->status[i], &fw_status->status[i]);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mei_fw_status);
+
+void mei_device_init(struct mei_device *dev, const struct mei_cfg *cfg)
{
/* setup our list array */
INIT_LIST_HEAD(&dev->file_list);
@@ -368,6 +389,7 @@
bitmap_set(dev->host_clients_map, 0, 1);
dev->pg_event = MEI_PG_EVENT_IDLE;
+ dev->cfg = cfg;
}
EXPORT_SYMBOL_GPL(mei_device_init);