summaryrefslogtreecommitdiffstats
path: root/drivers/greybus/arpc.h
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/greybus/arpc.h')
-rw-r--r--drivers/greybus/arpc.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/greybus/arpc.h b/drivers/greybus/arpc.h
new file mode 100644
index 000000000..b9ea81b55
--- /dev/null
+++ b/drivers/greybus/arpc.h
@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause) */
+/*
+ * Copyright(c) 2016 Google Inc. All rights reserved.
+ * Copyright(c) 2016 Linaro Ltd. All rights reserved.
+ */
+
+#ifndef __ARPC_H
+#define __ARPC_H
+
+/* APBridgeA RPC (ARPC) */
+
+enum arpc_result {
+ ARPC_SUCCESS = 0x00,
+ ARPC_NO_MEMORY = 0x01,
+ ARPC_INVALID = 0x02,
+ ARPC_TIMEOUT = 0x03,
+ ARPC_UNKNOWN_ERROR = 0xff,
+};
+
+struct arpc_request_message {
+ __le16 id; /* RPC unique id */
+ __le16 size; /* Size in bytes of header + payload */
+ __u8 type; /* RPC type */
+ __u8 data[]; /* ARPC data */
+} __packed;
+
+struct arpc_response_message {
+ __le16 id; /* RPC unique id */
+ __u8 result; /* Result of RPC */
+} __packed;
+
+/* ARPC requests */
+#define ARPC_TYPE_CPORT_CONNECTED 0x01
+#define ARPC_TYPE_CPORT_QUIESCE 0x02
+#define ARPC_TYPE_CPORT_CLEAR 0x03
+#define ARPC_TYPE_CPORT_FLUSH 0x04
+#define ARPC_TYPE_CPORT_SHUTDOWN 0x05
+
+struct arpc_cport_connected_req {
+ __le16 cport_id;
+} __packed;
+
+struct arpc_cport_quiesce_req {
+ __le16 cport_id;
+ __le16 peer_space;
+ __le16 timeout;
+} __packed;
+
+struct arpc_cport_clear_req {
+ __le16 cport_id;
+} __packed;
+
+struct arpc_cport_flush_req {
+ __le16 cport_id;
+} __packed;
+
+struct arpc_cport_shutdown_req {
+ __le16 cport_id;
+ __le16 timeout;
+ __u8 phase;
+} __packed;
+
+#endif /* __ARPC_H */