From e6459606b04e6385ccd3c2060fc10f78a92c7700 Mon Sep 17 00:00:00 2001 From: "H. Peter Anvin" Date: Mon, 1 Oct 2012 00:23:52 +0200 Subject: lib: Add early cpio decoder Add a simple cpio decoder without library dependencies for the purpose of extracting components from the initramfs blob for early kernel uses. Intended consumers so far are microcode and ACPI override. Signed-off-by: H. Peter Anvin Link: http://lkml.kernel.org/r/1349043837-22659-2-git-send-email-trenn@suse.de Cc: Len Brown Cc: Fenghua Yu Signed-off-by: Thomas Renninger Signed-off-by: H. Peter Anvin --- include/linux/earlycpio.h | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 include/linux/earlycpio.h (limited to 'include/linux/earlycpio.h') diff --git a/include/linux/earlycpio.h b/include/linux/earlycpio.h new file mode 100644 index 000000000000..111f46d83d00 --- /dev/null +++ b/include/linux/earlycpio.h @@ -0,0 +1,17 @@ +#ifndef _LINUX_EARLYCPIO_H +#define _LINUX_EARLYCPIO_H + +#include + +#define MAX_CPIO_FILE_NAME 18 + +struct cpio_data { + void *data; + size_t size; + char name[MAX_CPIO_FILE_NAME]; +}; + +struct cpio_data find_cpio_data(const char *path, void *data, size_t len, + long *offset); + +#endif /* _LINUX_EARLYCPIO_H */ -- cgit v1.2.1