projects / linux-block.git / blame
| Commit | Line | Data |
|---|---|---|
| b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 1da177e4 | 2 | |
| fade5cad KW |
3 | #ifndef __LINUX_INITRD_H |
| 4 | #define __LINUX_INITRD_H | |
| 5 | ||
| 1da177e4 LT |
6 | #define INITRD_MINOR 250 /* shouldn't collide with /dev/ram* too soon ... */ |
| 7 | ||
| 1da177e4 LT |
8 | /* starting block # of image */ |
| 9 | extern int rd_image_start; | |
| 10 | ||
| 287f3ca5 BVA |
11 | /* size of a single RAM disk */ |
| 12 | extern unsigned long rd_size; | |
| 13 | ||
| 1da177e4 LT |
14 | /* 1 if it is not an error if initrd_start < memory_start */ |
| 15 | extern int initrd_below_start_ok; | |
| 16 | ||
| 17 | /* free_initrd_mem always gets called with the next two as arguments.. */ | |
| 18 | extern unsigned long initrd_start, initrd_end; | |
| 19 | extern void free_initrd_mem(unsigned long, unsigned long); | |
| 20 | ||
| c72160fe KW |
21 | #ifdef CONFIG_BLK_DEV_INITRD |
| 22 | extern void __init reserve_initrd_mem(void); | |
| e7cb072e | 23 | extern void wait_for_initramfs(void); |
| c72160fe KW |
24 | #else |
| 25 | static inline void __init reserve_initrd_mem(void) {} | |
| e7cb072e | 26 | static inline void wait_for_initramfs(void) {} |
| c72160fe KW |
27 | #endif |
| 28 | ||
| b1ab95c6 FF |
29 | extern phys_addr_t phys_initrd_start; |
| 30 | extern unsigned long phys_initrd_size; | |
| 31 | ||
| 1da177e4 | 32 | extern unsigned int real_root_dev; |
| 98a455d9 SY |
33 | |
| 34 | extern char __initramfs_start[]; | |
| 35 | extern unsigned long __initramfs_size; | |
| b49a733d DB |
36 | |
| 37 | void console_on_rootfs(void); | |
| fade5cad KW |
38 | |
| 39 | #endif /* __LINUX_INITRD_H */ |