summaryrefslogtreecommitdiff
path: root/drivers/firmware/arm_scmi/msg.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/firmware/arm_scmi/msg.c')
-rw-r--r--drivers/firmware/arm_scmi/msg.c32
1 files changed, 23 insertions, 9 deletions
diff --git a/drivers/firmware/arm_scmi/msg.c b/drivers/firmware/arm_scmi/msg.c
index d33a704e5814..2cc74e6bbd72 100644
--- a/drivers/firmware/arm_scmi/msg.c
+++ b/drivers/firmware/arm_scmi/msg.c
@@ -4,7 +4,7 @@
*
* Derived from shm.c.
*
- * Copyright (C) 2019-2021 ARM Ltd.
+ * Copyright (C) 2019-2024 ARM Ltd.
* Copyright (C) 2020-2021 OpenSynergy GmbH
*/
@@ -30,7 +30,7 @@ struct scmi_msg_payld {
*
* Return: transport SDU size.
*/
-size_t msg_command_size(struct scmi_xfer *xfer)
+static size_t msg_command_size(struct scmi_xfer *xfer)
{
return sizeof(struct scmi_msg_payld) + xfer->tx.len;
}
@@ -42,7 +42,7 @@ size_t msg_command_size(struct scmi_xfer *xfer)
*
* Return: transport SDU size.
*/
-size_t msg_response_size(struct scmi_xfer *xfer)
+static size_t msg_response_size(struct scmi_xfer *xfer)
{
return sizeof(struct scmi_msg_payld) + sizeof(__le32) + xfer->rx.len;
}
@@ -53,7 +53,7 @@ size_t msg_response_size(struct scmi_xfer *xfer)
* @msg: transport SDU for command
* @xfer: message which is being sent
*/
-void msg_tx_prepare(struct scmi_msg_payld *msg, struct scmi_xfer *xfer)
+static void msg_tx_prepare(struct scmi_msg_payld *msg, struct scmi_xfer *xfer)
{
msg->msg_header = cpu_to_le32(pack_scmi_header(&xfer->hdr));
if (xfer->tx.buf)
@@ -67,7 +67,7 @@ void msg_tx_prepare(struct scmi_msg_payld *msg, struct scmi_xfer *xfer)
*
* Return: SCMI header
*/
-u32 msg_read_header(struct scmi_msg_payld *msg)
+static u32 msg_read_header(struct scmi_msg_payld *msg)
{
return le32_to_cpu(msg->msg_header);
}
@@ -79,8 +79,8 @@ u32 msg_read_header(struct scmi_msg_payld *msg)
* @len: transport SDU size
* @xfer: message being responded to
*/
-void msg_fetch_response(struct scmi_msg_payld *msg, size_t len,
- struct scmi_xfer *xfer)
+static void msg_fetch_response(struct scmi_msg_payld *msg,
+ size_t len, struct scmi_xfer *xfer)
{
size_t prefix_len = sizeof(*msg) + sizeof(msg->msg_payload[0]);
@@ -100,8 +100,8 @@ void msg_fetch_response(struct scmi_msg_payld *msg, size_t len,
* @max_len: maximum SCMI payload size to fetch
* @xfer: notification message
*/
-void msg_fetch_notification(struct scmi_msg_payld *msg, size_t len,
- size_t max_len, struct scmi_xfer *xfer)
+static void msg_fetch_notification(struct scmi_msg_payld *msg, size_t len,
+ size_t max_len, struct scmi_xfer *xfer)
{
xfer->rx.len = min_t(size_t, max_len,
len >= sizeof(*msg) ? len - sizeof(*msg) : 0);
@@ -109,3 +109,17 @@ void msg_fetch_notification(struct scmi_msg_payld *msg, size_t len,
/* Take a copy to the rx buffer.. */
memcpy(xfer->rx.buf, msg->msg_payload, xfer->rx.len);
}
+
+static const struct scmi_message_operations scmi_msg_ops = {
+ .tx_prepare = msg_tx_prepare,
+ .command_size = msg_command_size,
+ .response_size = msg_response_size,
+ .read_header = msg_read_header,
+ .fetch_response = msg_fetch_response,
+ .fetch_notification = msg_fetch_notification,
+};
+
+const struct scmi_message_operations *scmi_message_operations_get(void)
+{
+ return &scmi_msg_ops;
+}