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EDIT: ocxl.h

/* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */ /* Copyright 2017 IBM Corp. */ #ifndef _MISC_OCXL_H #define _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_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_p9_wait { __u16 thread_id; /* The thread ID required to wake this thread */ __u16 reserved1; __u32 reserved2; __u64 reserved3[3]; }; #define OCXL_IOCTL_FEATURES_FLAGS0_P9_WAIT 0x01 struct ocxl_ioctl_features { __u64 flags[4]; }; 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) #define OCXL_IOCTL_GET_METADATA _IOR(OCXL_MAGIC, 0x14, struct ocxl_ioctl_metadata) #define OCXL_IOCTL_ENABLE_P9_WAIT _IOR(OCXL_MAGIC, 0x15, struct ocxl_ioctl_p9_wait) #define OCXL_IOCTL_GET_FEATURES _IOR(OCXL_MAGIC, 0x16, struct ocxl_ioctl_features) #endif /* _MISC_OCXL_H */

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