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bootconfig: Add xbc_get_info() for the node information

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Add xbc_get_info() API which allows user to get the
number of used xbc_nodes and the size of bootconfig
data. This is also useful for checking the bootconfig
is initialized or not.

Link: https://lkml.kernel.org/r/163177340877.682366.4360676589783197627.stgit@devnote2

Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Masami Hiramatsu
2021-09-16 15:23:29 +09:00
committed by Steven Rostedt (VMware)
parent bdac5c2b24
commit e306220cb7
4 changed files with 25 additions and 0 deletions
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1
tools/bootconfig/main.c
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@@ -391,6 +391,7 @@ static int apply_xbc(const char *path, const char *xbc_path)
return ret;
}
printf("Apply %s to %s\n", xbc_path, path);
xbc_get_info(&ret, NULL);
printf("\tNumber of nodes: %d\n", ret);
printf("\tSize: %u bytes\n", (unsigned int)size);
printf("\tChecksum: %d\n", (unsigned int)csum);