[PATCH v8 04/17] firmware: arm_scmi: Add flags field to xfer

Cristian Marussi
2023-01-18T12:18:58Z

Add a flags field to xfer and define a flagbit and related macro to easily
identify xfers originated from Raw transmissions.

Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
---
v5 --> v6
- convert is_raw boolean to a bitflag
---
drivers/firmware/arm_scmi/protocols.h | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/firmware/arm_scmi/protocols.h b/drivers/firmware/arm_scmi/protocols.h
index 2f3bf691db7c..b5941beb8b03 100644
--- a/drivers/firmware/arm_scmi/protocols.h
+++ b/drivers/firmware/arm_scmi/protocols.h
@@ -115,6 +115,7 @@ struct scmi_msg_hdr {
* - SCMI_XFER_SENT_OK -> SCMI_XFER_RESP_OK [ -> SCMI_XFER_DRESP_OK ]
* - SCMI_XFER_SENT_OK -> SCMI_XFER_DRESP_OK
* (Missing synchronous response is assumed OK and ignored)
+ * @flags: Optional flags associated to this xfer.
* @lock: A spinlock to protect state and busy fields.
* @priv: A pointer for transport private usage.
*/
@@ -135,6 +136,9 @@ struct scmi_xfer {
#define SCMI_XFER_RESP_OK 1
#define SCMI_XFER_DRESP_OK 2
int state;
+#define SCMI_XFER_FLAG_IS_RAW BIT(0)
+#define SCMI_XFER_IS_RAW(x) ((x)->flags & SCMI_XFER_FLAG_IS_RAW)
+ int flags;
/* A lock to protect state and busy fields */
spinlock_t lock;
void *priv;