diff options
Diffstat (limited to 'include/skiboot.h')
| -rw-r--r-- | include/skiboot.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/include/skiboot.h b/include/skiboot.h index 6da62233..e828b158 100644 --- a/include/skiboot.h +++ b/include/skiboot.h @@ -236,6 +236,40 @@ extern void flash_fw_version_preload(void); extern void flash_dt_add_fw_version(void); extern const char *flash_map_resource_name(enum resource_id id); +/* + * Decompression routines + * + * The below structure members are needed for the xz library routines, + * src: Source address (The compressed binary) + * src_size: Source size + * dst: Destination address (The memory area where the `src` will be + * decompressed) + * dst_size: Destination size + */ +struct xz_decompress { + void *dst; + void *src; + size_t dst_size; + size_t src_size; + /* The status of the decompress process: + - OPAL_PARTIAL: if the job is in progress + - OPAL_SUCCESS: if the job is successful + - OPAL_NO_MEM: memory allocation failure + - OPAL_PARAMETER: If any of the above (src, dst..) are invalid or + if xz decompress fails. In which case the caller should check the + xz_error for failure reason. + */ + int status; + int xz_error; + /* The decompression job, this will be freed if the caller uses + * `wait_xz_decompression` function, in any other case its the + * responsibility of caller to free the allocation job. */ + struct cpu_job *job; +}; + +extern void xz_start_decompress(struct xz_decompress *); +extern void wait_xz_decompress(struct xz_decompress *); + /* NVRAM support */ extern void nvram_init(void); extern void nvram_read_complete(bool success); |
