summaryrefslogtreecommitdiff
path: root/include/linux/buildid.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/buildid.h')
-rw-r--r--include/linux/buildid.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/linux/buildid.h b/include/linux/buildid.h
index 014a88c41073..831c1b4b626c 100644
--- a/include/linux/buildid.h
+++ b/include/linux/buildid.h
@@ -18,4 +18,29 @@ void init_vmlinux_build_id(void);
static inline void init_vmlinux_build_id(void) { }
#endif
+struct freader {
+ void *buf;
+ u32 buf_sz;
+ int err;
+ union {
+ struct {
+ struct file *file;
+ struct folio *folio;
+ void *addr;
+ loff_t folio_off;
+ bool may_fault;
+ };
+ struct {
+ const char *data;
+ u64 data_sz;
+ };
+ };
+};
+
+void freader_init_from_file(struct freader *r, void *buf, u32 buf_sz,
+ struct file *file, bool may_fault);
+void freader_init_from_mem(struct freader *r, const char *data, u64 data_sz);
+const void *freader_fetch(struct freader *r, loff_t file_off, size_t sz);
+void freader_cleanup(struct freader *r);
+
#endif