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-rw-r--r--include/uapi/misc/ocxl.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/uapi/misc/ocxl.h b/include/uapi/misc/ocxl.h
index 4b0b0b756f3e..0af83d80fb3e 100644
--- a/include/uapi/misc/ocxl.h
+++ b/include/uapi/misc/ocxl.h
@@ -32,6 +32,22 @@ struct ocxl_ioctl_attach {
__u64 reserved3;
};
+struct ocxl_ioctl_metadata {
+ __u16 version; // struct version, always backwards compatible
+
+ // Version 0 fields
+ __u8 afu_version_major;
+ __u8 afu_version_minor;
+ __u32 pasid; // PASID assigned to the current context
+
+ __u64 pp_mmio_size; // Per PASID MMIO size
+ __u64 global_mmio_size;
+
+ // End version 0 fields
+
+ __u64 reserved[13]; // Total of 16*u64
+};
+
struct ocxl_ioctl_irq_fd {
__u64 irq_offset;
__s32 eventfd;
@@ -45,5 +61,6 @@ struct ocxl_ioctl_irq_fd {
#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)
+#define OCXL_IOCTL_GET_METADATA _IOR(OCXL_MAGIC, 0x14, struct ocxl_ioctl_metadata)
#endif /* _UAPI_MISC_OCXL_H */
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