1  /* SPDX-License-Identifier: BSD-3-Clause */
 2  
 3  #ifndef _CBFS_CBFS_GLUE_H
 4  #define _CBFS_CBFS_GLUE_H
 5  
 6  #include <libpayload-config.h>
 7  #include <boot_device.h>
 8  #include <stdbool.h>
 9  #include <stdio.h>
10  
11  #define CBFS_ENABLE_HASHING CONFIG(LP_CBFS_VERIFICATION)
12  #define CBFS_HASH_HWCRYPTO cbfs_hwcrypto_allowed()
13  
14  #define ERROR(...) printf("CBFS ERROR: " __VA_ARGS__)
15  #define LOG(...) printf("CBFS: " __VA_ARGS__)
16  #define DEBUG(...)                                                                             \
17  	do {                                                                                   \
18  		if (CONFIG(LP_DEBUG_CBFS))                                                     \
19  			printf("CBFS DEBUG: " __VA_ARGS__);                                    \
20  	} while (0)
21  
22  struct cbfs_dev {
23  	size_t offset;
24  	size_t size;
25  };
26  
27  struct cbfs_boot_device {
28  	struct cbfs_dev dev;
29  	void *mcache;
30  	size_t mcache_size;
31  };
32  
33  typedef const struct cbfs_dev *cbfs_dev_t;
34  
35  static inline ssize_t cbfs_dev_read(cbfs_dev_t dev, void *buffer, size_t offset, size_t size)
36  {
37  	if (offset + size < offset || offset + size > dev->size)
38  		return CB_ERR_ARG;
39  
40  	return boot_device_read(buffer, dev->offset + offset, size);
41  }
42  
43  static inline size_t cbfs_dev_size(cbfs_dev_t dev)
44  {
45  	return dev->size;
46  }
47  
48  bool cbfs_hwcrypto_allowed(void);
49  
50  #endif /* _CBFS_CBFS_GLUE_H */