X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Fmtd%2Fmtd.h;h=245f9098e171cfe2bf5b27860f6be2e0365fa57f;hb=2a5f2e3e6cd1ce9fb3f8b186b6bc9aa1f1497a92;hp=783fc983417c9786c8d99eecca5dd19a36e4895d;hpb=4fa435018d740cb83d74c92306aa1f796da91ddd;p=linux-2.6

diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 783fc98341..245f9098e1 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -143,15 +143,26 @@ struct mtd_info {
 	int (*erase) (struct mtd_info *mtd, struct erase_info *instr);
 
 	/* This stuff for eXecute-In-Place */
-	int (*point) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char **mtdbuf);
+	/* phys is optional and may be set to NULL */
+	int (*point) (struct mtd_info *mtd, loff_t from, size_t len,
+			size_t *retlen, void **virt, resource_size_t *phys);
 
 	/* We probably shouldn't allow XIP if the unpoint isn't a NULL */
-	void (*unpoint) (struct mtd_info *mtd, u_char * addr, loff_t from, size_t len);
+	void (*unpoint) (struct mtd_info *mtd, loff_t from, size_t len);
 
 
 	int (*read) (struct mtd_info *mtd, loff_t from, size_t len, size_t *retlen, u_char *buf);
 	int (*write) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf);
 
+	/* In blackbox flight recorder like scenarios we want to make successful
+	   writes in interrupt context. panic_write() is only intended to be
+	   called when its known the kernel is about to panic and we need the
+	   write to succeed. Since the kernel is not going to be running for much
+	   longer, this function can break locks and delay to ensure the write
+	   succeeds (but not sleep). */
+
+	int (*panic_write) (struct mtd_info *mtd, loff_t to, size_t len, size_t *retlen, const u_char *buf);
+
 	int (*read_oob) (struct mtd_info *mtd, loff_t from,
 			 struct mtd_oob_ops *ops);
 	int (*write_oob) (struct mtd_info *mtd, loff_t to,