add free dma buffer function

2012-12-13 17:47:36 +09:00
parent 84ade197f0
commit 9849cf57b1
3 changed files with 49 additions and 3 deletions
--- a/linux/include/uprotocol.h
+++ b/linux/include/uprotocol.h
@@ -9,6 +9,7 @@
 #define MCEXEC_UP_LOAD_SYSCALL   0x30a02905

 #define MCEXEC_UP_PREPARE_DMA    0x30a02910
+#define MCEXEC_UP_FREE_DMA       0x30a02911

 struct program_transfer {
 	unsigned long dest;
@@ -72,4 +73,13 @@ struct syscall_ret_desc {
 	unsigned long size;
 };

+struct prepare_dma_desc {
+	unsigned long size;
+	unsigned long pa;
+};
+struct free_dma_desc {
+	unsigned long pa;
+	unsigned long size;
+};
+
 #endif