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path: root/drivers/gpu/drm/amd/amdkfd/kfd_iommu.h
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Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_iommu.h')
-rw-r--r--drivers/gpu/drm/amd/amdkfd/kfd_iommu.h84
1 files changed, 0 insertions, 84 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_iommu.h b/drivers/gpu/drm/amd/amdkfd/kfd_iommu.h
deleted file mode 100644
index 8cf0fcbe87c2..000000000000
--- a/drivers/gpu/drm/amd/amdkfd/kfd_iommu.h
+++ /dev/null
@@ -1,84 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 OR MIT */
-/*
- * Copyright 2018-2022 Advanced Micro Devices, Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
- * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
- * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
- * OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#ifndef __KFD_IOMMU_H__
-#define __KFD_IOMMU_H__
-
-#include <linux/kconfig.h>
-
-#if IS_REACHABLE(CONFIG_AMD_IOMMU_V2)
-
-#define KFD_SUPPORT_IOMMU_V2
-
-int kfd_iommu_check_device(struct kfd_dev *kfd);
-int kfd_iommu_device_init(struct kfd_dev *kfd);
-
-int kfd_iommu_bind_process_to_device(struct kfd_process_device *pdd);
-void kfd_iommu_unbind_process(struct kfd_process *p);
-
-void kfd_iommu_suspend(struct kfd_dev *kfd);
-int kfd_iommu_resume(struct kfd_dev *kfd);
-
-int kfd_iommu_add_perf_counters(struct kfd_topology_device *kdev);
-
-#else
-
-static inline int kfd_iommu_check_device(struct kfd_dev *kfd)
-{
- return -ENODEV;
-}
-static inline int kfd_iommu_device_init(struct kfd_dev *kfd)
-{
-#if IS_MODULE(CONFIG_AMD_IOMMU_V2)
- WARN_ONCE(1, "iommu_v2 module is not usable by built-in KFD");
-#endif
- return 0;
-}
-
-static inline int kfd_iommu_bind_process_to_device(
- struct kfd_process_device *pdd)
-{
- return 0;
-}
-static inline void kfd_iommu_unbind_process(struct kfd_process *p)
-{
- /* empty */
-}
-
-static inline void kfd_iommu_suspend(struct kfd_dev *kfd)
-{
- /* empty */
-}
-static inline int kfd_iommu_resume(struct kfd_dev *kfd)
-{
- return 0;
-}
-
-static inline int kfd_iommu_add_perf_counters(struct kfd_topology_device *kdev)
-{
- return 0;
-}
-
-#endif /* IS_REACHABLE(CONFIG_AMD_IOMMU_V2) */
-
-#endif /* __KFD_IOMMU_H__ */