[PATCH 1/4] qfw: Add WRITE definition

Alexander Graf
2022-02-27T14:41:05Z

The QEMU fw_cfg device supports writing entries as well. Add the constant
define for it so that we can leverage write functionality later.

Signed-off-by: Alexander Graf <agraf@csgraf.de>
---
include/qfw.h | 1 +
1 file changed, 1 insertion(+)

diff --git a/include/qfw.h b/include/qfw.h
index 7ca132e66a..e42960cbb4 100644
--- a/include/qfw.h
+++ b/include/qfw.h
@@ -70,6 +70,7 @@ enum {
#define FW_CFG_DMA_READ (1 << 1)
#define FW_CFG_DMA_SKIP (1 << 2)
#define FW_CFG_DMA_SELECT (1 << 3)
+#define FW_CFG_DMA_WRITE (1 << 4)

/* Bit set in FW_CFG_ID response to indicate DMA interface availability. */
#define FW_CFG_DMA_ENABLED (1 << 1)
--
2.32.0