alistair23-linux/include/linux/mailbox/zynqmp-ipi-message.h
Wendy Liang 4981b82ba2 mailbox: ZynqMP IPI mailbox controller
This patch is to introduce ZynqMP IPI mailbox controller driver
to use the ZynqMP IPI block as mailboxes.

Signed-off-by: Wendy Liang <wendy.liang@xilinx.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2019-03-06 20:34:20 -06:00

21 lines
502 B
C

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_ZYNQMP_IPI_MESSAGE_H_
#define _LINUX_ZYNQMP_IPI_MESSAGE_H_
/**
* struct zynqmp_ipi_message - ZynqMP IPI message structure
* @len: Length of message
* @data: message payload
*
* This is the structure for data used in mbox_send_message
* the maximum length of data buffer is fixed to 12 bytes.
* Client is supposed to be aware of this.
*/
struct zynqmp_ipi_message {
size_t len;
u8 data[0];
};
#endif /* _LINUX_ZYNQMP_IPI_MESSAGE_H_ */