X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fdfu.h;h=f39d3f1171a0d87393571ad96fd2e15cae30077c;hb=bce4d18c9d96ffb16f2c9bb4f0549543c5c7e240;hp=2153d0096d385cda409315eb08d58159de292504;hpb=2d50d68a4ca1cce82899c9f0cfca17edf34bb254;p=oweals%2Fu-boot.git

diff --git a/include/dfu.h b/include/dfu.h
index 2153d0096d..f39d3f1171 100644
--- a/include/dfu.h
+++ b/include/dfu.h
@@ -162,6 +162,46 @@ bool dfu_usb_get_reset(void);
 int dfu_read(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
 int dfu_write(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
 int dfu_flush(struct dfu_entity *de, void *buf, int size, int blk_seq_num);
+
+/*
+ * dfu_defer_flush - pointer to store dfu_entity for deferred flashing.
+ *		     It should be NULL when not used.
+ */
+extern struct dfu_entity *dfu_defer_flush;
+/**
+ * dfu_get_defer_flush - get current value of dfu_defer_flush pointer
+ *
+ * @return - value of the dfu_defer_flush pointer
+ */
+static inline struct dfu_entity *dfu_get_defer_flush(void)
+{
+	return dfu_defer_flush;
+}
+
+/**
+ * dfu_set_defer_flush - set the dfu_defer_flush pointer
+ *
+ * @param dfu - pointer to the dfu_entity, which should be written
+ */
+static inline void dfu_set_defer_flush(struct dfu_entity *dfu)
+{
+	dfu_defer_flush = dfu;
+}
+
+/**
+ * dfu_write_from_mem_addr - write data from memory to DFU managed medium
+ *
+ * This function adds support for writing data starting from fixed memory
+ * address (like $loadaddr) to dfu managed medium (e.g. NAND, MMC, file system)
+ *
+ * @param dfu - dfu entity to which we want to store data
+ * @param buf - fixed memory addres from where data starts
+ * @param size - number of bytes to write
+ *
+ * @return - 0 on success, other value on failure
+ */
+int dfu_write_from_mem_addr(struct dfu_entity *dfu, void *buf, int size);
+
 /* Device specific */
 #ifdef CONFIG_DFU_MMC
 extern int dfu_fill_entity_mmc(struct dfu_entity *dfu, char *devstr, char *s);