diff options
Diffstat (limited to 'include/linux/initrd.h')
-rw-r--r-- | include/linux/initrd.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/include/linux/initrd.h b/include/linux/initrd.h new file mode 100644 index 000000000..f1a1f4c92 --- /dev/null +++ b/include/linux/initrd.h @@ -0,0 +1,37 @@ +/* SPDX-License-Identifier: GPL-2.0 */ + +#ifndef __LINUX_INITRD_H +#define __LINUX_INITRD_H + +#define INITRD_MINOR 250 /* shouldn't collide with /dev/ram* too soon ... */ + +/* starting block # of image */ +extern int rd_image_start; + +/* size of a single RAM disk */ +extern unsigned long rd_size; + +/* 1 if it is not an error if initrd_start < memory_start */ +extern int initrd_below_start_ok; + +/* free_initrd_mem always gets called with the next two as arguments.. */ +extern unsigned long initrd_start, initrd_end; +extern void free_initrd_mem(unsigned long, unsigned long); + +#ifdef CONFIG_BLK_DEV_INITRD +extern void __init reserve_initrd_mem(void); +extern void wait_for_initramfs(void); +#else +static inline void __init reserve_initrd_mem(void) {} +static inline void wait_for_initramfs(void) {} +#endif + +extern phys_addr_t phys_initrd_start; +extern unsigned long phys_initrd_size; + +extern char __initramfs_start[]; +extern unsigned long __initramfs_size; + +void console_on_rootfs(void); + +#endif /* __LINUX_INITRD_H */ |