include/uapi/misc/ocxl.h

   1 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
   2 /* Copyright 2017 IBM Corp. */
   3 #ifndef _UAPI_MISC_OCXL_H
   4 #define _UAPI_MISC_OCXL_H
   5
   6 #include <linux/types.h>
   7 #include <linux/ioctl.h>
   8
   9 enum ocxl_event_type {
  10         OCXL_AFU_EVENT_XSL_FAULT_ERROR = 0,
  11 };
  12
  13 #define OCXL_KERNEL_EVENT_FLAG_LAST 0x0001  /* This is the last event pending */
  14
  15 struct ocxl_kernel_event_header {
  16         __u16 type;
  17         __u16 flags;
  18         __u32 reserved;
  19 };
  20
  21 struct ocxl_kernel_event_xsl_fault_error {
  22         __u64 addr;
  23         __u64 dsisr;
  24         __u64 count;
  25         __u64 reserved;
  26 };
  27
  28 struct ocxl_ioctl_attach {
  29         __u64 amr;
  30         __u64 reserved1;
  31         __u64 reserved2;
  32         __u64 reserved3;
  33 };
  34
  35 struct ocxl_ioctl_irq_fd {
  36         __u64 irq_offset;
  37         __s32 eventfd;
  38         __u32 reserved;
  39 };
  40
  41 /* ioctl numbers */
  42 #define OCXL_MAGIC 0xCA
  43 /* AFU devices */
  44 #define OCXL_IOCTL_ATTACH       _IOW(OCXL_MAGIC, 0x10, struct ocxl_ioctl_attach)
  45 #define OCXL_IOCTL_IRQ_ALLOC    _IOR(OCXL_MAGIC, 0x11, __u64)
  46 #define OCXL_IOCTL_IRQ_FREE     _IOW(OCXL_MAGIC, 0x12, __u64)
  47 #define OCXL_IOCTL_IRQ_SET_FD   _IOW(OCXL_MAGIC, 0x13, struct ocxl_ioctl_irq_fd)
  48
  49 #endif /* _UAPI_MISC_OCXL_H */