cpp-d1064d

[cross.git] / i686-linux-gnu-4.7 / usr / include / linux / aspeed-lpc-ctrl.h

diff --git a/i686-linux-gnu-4.7/usr/include/linux/aspeed-lpc-ctrl.h b/i686-linux-gnu-4.7/usr/include/linux/aspeed-lpc-ctrl.h
new file mode 100644 (file)
index 0000000..a0580f0
--- /dev/null
+++ b/i686-linux-gnu-4.7/usr/include/linux/aspeed-lpc-ctrl.h
@@ -0,0 +1,62 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/*
+ * Copyright 2017 IBM Corp.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version
+ * 2 of the License, or (at your option) any later version.
+ */
+
+#ifndef _LINUX_ASPEED_LPC_CTRL_H
+#define _LINUX_ASPEED_LPC_CTRL_H
+
+#include <linux/ioctl.h>
+#include <linux/types.h>
+
+/* Window types */
+#define ASPEED_LPC_CTRL_WINDOW_FLASH   1
+#define ASPEED_LPC_CTRL_WINDOW_MEMORY  2
+
+/*
+ * This driver provides a window for the host to access a BMC resource
+ * across the BMC <-> Host LPC bus.
+ *
+ * window_type: The BMC resource that the host will access through the
+ * window. BMC flash and BMC RAM.
+ *
+ * window_id: For each window type there may be multiple windows,
+ * these are referenced by ID.
+ *
+ * flags: Reserved for future use, this field is expected to be
+ * zeroed.
+ *
+ * addr: Address on the host LPC bus that the specified window should
+ * be mapped. This address must be power of two aligned.
+ *
+ * offset: Offset into the BMC window that should be mapped to the
+ * host (at addr). This must be a multiple of size.
+ *
+ * size: The size of the mapping. The smallest possible size is 64K.
+ * This must be power of two aligned.
+ *
+ */
+
+struct aspeed_lpc_ctrl_mapping {
+       __u8    window_type;
+       __u8    window_id;
+       __u16   flags;
+       __u32   addr;
+       __u32   offset;
+       __u32   size;
+};
+
+#define __ASPEED_LPC_CTRL_IOCTL_MAGIC  0xb2
+
+#define ASPEED_LPC_CTRL_IOCTL_GET_SIZE _IOWR(__ASPEED_LPC_CTRL_IOCTL_MAGIC, \
+               0x00, struct aspeed_lpc_ctrl_mapping)
+
+#define ASPEED_LPC_CTRL_IOCTL_MAP      _IOW(__ASPEED_LPC_CTRL_IOCTL_MAGIC, \
+               0x01, struct aspeed_lpc_ctrl_mapping)
+
+#endif /* _LINUX_ASPEED_LPC_CTRL_H */