diff options
Diffstat (limited to 'drivers/misc/mei/client.h')
-rw-r--r-- | drivers/misc/mei/client.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/drivers/misc/mei/client.h b/drivers/misc/mei/client.h new file mode 100644 index 000000000000..214b2397ec3e --- /dev/null +++ b/drivers/misc/mei/client.h @@ -0,0 +1,102 @@ +/* + * + * Intel Management Engine Interface (Intel MEI) Linux driver + * Copyright (c) 2003-2012, Intel Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + */ + +#ifndef _MEI_CLIENT_H_ +#define _MEI_CLIENT_H_ + +#include <linux/types.h> +#include <linux/watchdog.h> +#include <linux/poll.h> +#include <linux/mei.h> + +#include "mei_dev.h" + +int mei_me_cl_by_uuid(const struct mei_device *dev, const uuid_le *cuuid); +int mei_me_cl_by_id(struct mei_device *dev, u8 client_id); + +/* + * MEI IO Functions + */ +struct mei_cl_cb *mei_io_cb_init(struct mei_cl *cl, struct file *fp); +void mei_io_cb_free(struct mei_cl_cb *priv_cb); +int mei_io_cb_alloc_req_buf(struct mei_cl_cb *cb, size_t length); +int mei_io_cb_alloc_resp_buf(struct mei_cl_cb *cb, size_t length); + + +/** + * mei_io_list_init - Sets up a queue list. + * + * @list: An instance cl callback structure + */ +static inline void mei_io_list_init(struct mei_cl_cb *list) +{ + INIT_LIST_HEAD(&list->list); +} +void mei_io_list_flush(struct mei_cl_cb *list, struct mei_cl *cl); + +/* + * MEI Host Client Functions + */ + +struct mei_cl *mei_cl_allocate(struct mei_device *dev); +void mei_cl_init(struct mei_cl *cl, struct mei_device *dev); + + +int mei_cl_link(struct mei_cl *cl, int id); +int mei_cl_unlink(struct mei_cl *cl); + +int mei_cl_flush_queues(struct mei_cl *cl); +struct mei_cl_cb *mei_cl_find_read_cb(struct mei_cl *cl); + +/** + * mei_cl_cmp_id - tells if file private data have same id + * + * @fe1: private data of 1. file object + * @fe2: private data of 2. file object + * + * returns true - if ids are the same and not NULL + */ +static inline bool mei_cl_cmp_id(const struct mei_cl *cl1, + const struct mei_cl *cl2) +{ + return cl1 && cl2 && + (cl1->host_client_id == cl2->host_client_id) && + (cl1->me_client_id == cl2->me_client_id); +} + + +int mei_cl_flow_ctrl_creds(struct mei_cl *cl); + +int mei_cl_flow_ctrl_reduce(struct mei_cl *cl); +/* + * MEI input output function prototype + */ +bool mei_cl_is_other_connecting(struct mei_cl *cl); +int mei_cl_disconnect(struct mei_cl *cl); + +int mei_cl_read_start(struct mei_cl *cl); + +int mei_cl_connect(struct mei_cl *cl, struct file *file); + +void mei_host_client_init(struct work_struct *work); + + +void mei_cl_all_disconnect(struct mei_device *dev); +void mei_cl_all_read_wakeup(struct mei_device *dev); +void mei_cl_all_write_clear(struct mei_device *dev); + + +#endif /* _MEI_CLIENT_H_ */ |