diff options
| author | Wendy Liang | 2019-02-21 16:36:33 -0800 |
|---|---|---|
| committer | Jassi Brar | 2019-03-06 20:34:20 -0600 |
| commit | 4981b82ba2ff87df6a711fcd7a233c615df5fc79 (patch) | |
| tree | 2c68d1664faa2e0dcf8364c0977066cc1230874b /include/linux/mailbox/zynqmp-ipi-message.h | |
| parent | 419d67f3ec0aa5e13a51eebab4dbcd71737c7dbc (diff) | |
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>
Diffstat (limited to 'include/linux/mailbox/zynqmp-ipi-message.h')
| -rw-r--r-- | include/linux/mailbox/zynqmp-ipi-message.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/linux/mailbox/zynqmp-ipi-message.h b/include/linux/mailbox/zynqmp-ipi-message.h new file mode 100644 index 000000000000..9542b41eacfd --- /dev/null +++ b/include/linux/mailbox/zynqmp-ipi-message.h @@ -0,0 +1,20 @@ +/* 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_ */ |