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firmware: arm_scmi: Add flags field to xfer 

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

Signed-off-by: Cristian Marussi <cristian.marussi@arm.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Vincent Guittot <vincent.guittot@linaro.org>
Link: https://lore.kernel.org/r/20230118121426.492864-5-cristian.marussi@arm.com
Signed-off-by: Sudeep Holla <sudeep.holla@arm.com>
This commit is contained in:
Cristian Marussi 2023-01-18 12:14:13 +00:00 committed by Sudeep Holla
parent 07cdfc44f1
commit 37057bf2b5
1 changed files with 4 additions and 0 deletions
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4
drivers/firmware/arm_scmi/protocols.h
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@ -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_RESP_OK [ -> SCMI_XFER_DRESP_OK ]
* - SCMI_XFER_SENT_OK -> SCMI_XFER_DRESP_OK * - SCMI_XFER_SENT_OK -> SCMI_XFER_DRESP_OK
* (Missing synchronous response is assumed OK and ignored) * (Missing synchronous response is assumed OK and ignored)
* @flags: Optional flags associated to this xfer.
* @lock: A spinlock to protect state and busy fields. * @lock: A spinlock to protect state and busy fields.
* @priv: A pointer for transport private usage. * @priv: A pointer for transport private usage.
*/ */
@ -135,6 +136,9 @@ struct scmi_xfer {
#define SCMI_XFER_RESP_OK 1 #define SCMI_XFER_RESP_OK 1
#define SCMI_XFER_DRESP_OK 2 #define SCMI_XFER_DRESP_OK 2
int state; 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 */ /* A lock to protect state and busy fields */
spinlock_t lock; spinlock_t lock;
void *priv; void *priv;