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authorLinus Torvalds <torvalds@linux-foundation.org>2019-03-13 09:59:08 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-03-13 09:59:08 -0700
commit3a186d38561d2844072829c6c0811e407c6ec1aa (patch)
tree8770e2782e27251ebf894c0cd41a90ee32075229 /include
parentdac0bde43b0b3685390b68c9058bee36d4d5c747 (diff)
parent17b860bbfc844a3d8e38135ef430d4af8e436b9e (diff)
downloadlinux-3a186d38561d2844072829c6c0811e407c6ec1aa.tar.bz2
Merge tag 'mailbox-v5.1' of git://git.linaro.org/landing-teams/working/fujitsu/integration
Pull mailbox updates from Jassi Brar: - mailbox-test: support multiple controller instances - misc cleanup: IMX, STM32 and Tegra - new driver: ZynqMP IPI * tag 'mailbox-v5.1' of git://git.linaro.org/landing-teams/working/fujitsu/integration: mailbox: imx: keep MU irq working during suspend/resume dt-bindings: mailbox: Add Xilinx IPI Mailbox mailbox: ZynqMP IPI mailbox controller mailbox: stm32-ipcc: remove useless device_init_wakeup call mailbox: stm32-ipcc: do not enable wakeup source by default mailbox: mailbox-test: fix null pointer if no mmio mailbox: mailbox-test: fix debugfs in multi-instances mailbox: tegra-hsp: mark suspend function as __maybe_unused
Diffstat (limited to 'include')
-rw-r--r--include/linux/mailbox/zynqmp-ipi-message.h20
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_ */