xref: /openbmc/phosphor-mboxd/mboxd_windows.h (revision e39c9163)
1 /*
2  * Copyright 2016 IBM
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  *
16  */
17 
18 #ifndef MBOXD_WINDOWS_H
19 #define MBOXD_WINDOWS_H
20 
21 #define NO_FLUSH	false
22 #define WITH_FLUSH	true
23 
24 /* Initialisation Functions */
25 void init_window_state(struct window_context *window, uint32_t size);
26 int init_window_mem(struct mbox_context *context);
27 /* Write From Window Functions */
28 int write_from_window_v1(struct mbox_context *context,
29 			 uint32_t offset_bytes, uint32_t count_bytes);
30 int write_from_window(struct mbox_context *context, uint32_t offset,
31 		      uint32_t count, uint8_t type);
32 /* Window Management Functions */
33 void alloc_window_dirty_bytemap(struct mbox_context *context);
34 void free_window_dirty_bytemap(struct mbox_context *context);
35 int set_window_bytemap(struct mbox_context *context, struct window_context *cur,
36 		       uint32_t offset, uint32_t size, uint8_t val);
37 void close_current_window(struct mbox_context *context, bool set_bmc_event,
38 			  uint8_t flags);
39 void reset_window(struct mbox_context *context, struct window_context *window);
40 void reset_all_windows(struct mbox_context *context, bool set_bmc_event);
41 struct window_context *find_oldest_window(struct mbox_context *context);
42 struct window_context *search_windows(struct mbox_context *context,
43 				      uint32_t offset, bool exact);
44 int create_map_window(struct mbox_context *context,
45 		      struct window_context **this_window,
46 		      uint32_t offset, bool exact);
47 
48 #endif /* MBOXD_WINDOWS_H */
49