Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / firewire / lib.h

diff --git a/kernel/sound/firewire/lib.h b/kernel/sound/firewire/lib.h
new file mode 100644 (file)
index 0000000..02cfabc
--- /dev/null
+++ b/kernel/sound/firewire/lib.h
@@ -0,0 +1,23 @@
+#ifndef SOUND_FIREWIRE_LIB_H_INCLUDED
+#define SOUND_FIREWIRE_LIB_H_INCLUDED
+
+#include <linux/firewire-constants.h>
+#include <linux/types.h>
+
+struct fw_unit;
+
+#define FW_GENERATION_MASK     0x00ff
+#define FW_FIXED_GENERATION    0x0100
+#define FW_QUIET               0x0200
+
+int snd_fw_transaction(struct fw_unit *unit, int tcode,
+                      u64 offset, void *buffer, size_t length,
+                      unsigned int flags);
+
+/* returns true if retrying the transaction would not make sense */
+static inline bool rcode_is_permanent_error(int rcode)
+{
+       return rcode == RCODE_TYPE_ERROR || rcode == RCODE_ADDRESS_ERROR;
+}
+
+#endif