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#ifndef _IPXE_INITRD_H
#define _IPXE_INITRD_H
/** @file
*
* Initial ramdisk (initrd) reshuffling
*
*/
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
FILE_SECBOOT ( PERMITTED );
#include <stdint.h>
#include <ipxe/memmap.h>
/** Initial ramdisk chunk alignment */
#define INITRD_ALIGN 4096
extern void initrd_reshuffle ( void );
extern int initrd_region ( size_t len, struct memmap_region *region );
extern size_t initrd_load_all ( void *address );
/**
* Align initrd length
*
* @v len Length
* @ret len Aligned length
*/
static inline __attribute__ (( always_inline )) size_t
initrd_align ( size_t len ) {
return ( ( len + INITRD_ALIGN - 1 ) & ~( INITRD_ALIGN - 1 ) );
}
/**
* Get required length for initrds
*
* @ret len Required length
*/
static inline __attribute__ (( always_inline )) size_t
initrd_len ( void ) {
return initrd_load_all ( NULL );
}
#endif /* _IPXE_INITRD_H */
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