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-rw-r--r--include/uapi/misc/ocxl.h49
1 files changed, 49 insertions, 0 deletions
diff --git a/include/uapi/misc/ocxl.h b/include/uapi/misc/ocxl.h
new file mode 100644
index 000000000000..4b0b0b756f3e
--- /dev/null
+++ b/include/uapi/misc/ocxl.h
@@ -0,0 +1,49 @@
+/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
+/* Copyright 2017 IBM Corp. */
+#ifndef _UAPI_MISC_OCXL_H
+#define _UAPI_MISC_OCXL_H
+
+#include <linux/types.h>
+#include <linux/ioctl.h>
+
+enum ocxl_event_type {
+ OCXL_AFU_EVENT_XSL_FAULT_ERROR = 0,
+};
+
+#define OCXL_KERNEL_EVENT_FLAG_LAST 0x0001 /* This is the last event pending */
+
+struct ocxl_kernel_event_header {
+ __u16 type;
+ __u16 flags;
+ __u32 reserved;
+};
+
+struct ocxl_kernel_event_xsl_fault_error {
+ __u64 addr;
+ __u64 dsisr;
+ __u64 count;
+ __u64 reserved;
+};
+
+struct ocxl_ioctl_attach {
+ __u64 amr;
+ __u64 reserved1;
+ __u64 reserved2;
+ __u64 reserved3;
+};
+
+struct ocxl_ioctl_irq_fd {
+ __u64 irq_offset;
+ __s32 eventfd;
+ __u32 reserved;
+};
+
+/* ioctl numbers */
+#define OCXL_MAGIC 0xCA
+/* AFU devices */
+#define OCXL_IOCTL_ATTACH _IOW(OCXL_MAGIC, 0x10, struct ocxl_ioctl_attach)
+#define OCXL_IOCTL_IRQ_ALLOC _IOR(OCXL_MAGIC, 0x11, __u64)
+#define OCXL_IOCTL_IRQ_FREE _IOW(OCXL_MAGIC, 0x12, __u64)
+#define OCXL_IOCTL_IRQ_SET_FD _IOW(OCXL_MAGIC, 0x13, struct ocxl_ioctl_irq_fd)
+
+#endif /* _UAPI_MISC_OCXL_H */