iommu_template.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 * Copyright (c) 2024-2025, NVIDIA CORPORATION & AFFILIATES
 4 *
 5 * Template to build the iommu module and kunit from the format and
 6 * implementation headers.
 7 *
 8 * The format should have:
 9 *  #define PT_FMT <name>
10 *  #define PT_SUPPORTED_FEATURES (BIT(PT_FEAT_xx) | BIT(PT_FEAT_yy))
11 * And optionally:
12 *  #define PT_FORCE_ENABLED_FEATURES ..
13 *  #define PT_FMT_VARIANT <suffix>
14 */
15#include <linux/args.h>
16#include <linux/stringify.h>
17
18#ifdef PT_FMT_VARIANT
19#define PTPFX_RAW \
20	CONCATENATE(CONCATENATE(PT_FMT, _), PT_FMT_VARIANT)
21#else
22#define PTPFX_RAW PT_FMT
23#endif
24
25#define PTPFX CONCATENATE(PTPFX_RAW, _)
26
27#define _PT_FMT_H PT_FMT.h
28#define PT_FMT_H __stringify(_PT_FMT_H)
29
30#define _PT_DEFS_H CONCATENATE(defs_, _PT_FMT_H)
31#define PT_DEFS_H __stringify(_PT_DEFS_H)
32
33#include <linux/generic_pt/common.h>
34#include PT_DEFS_H
35#include "../pt_defs.h"
36#include PT_FMT_H
37#include "../pt_common.h"
38
39#ifndef GENERIC_PT_KUNIT
40#include "../iommu_pt.h"
41#else
42/*
43 * The makefile will compile the .c file twice, once with GENERIC_PT_KUNIT set
44 * which means we are building the kunit modle.
45 */
46#include "../kunit_generic_pt.h"
47#include "../kunit_iommu_pt.h"
48#endif