57 lines
2.1 KiB
C
57 lines
2.1 KiB
C
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/*
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* Copyright 2016 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Author: Monk.liu@amd.com
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*/
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#ifndef AMDGPU_VIRT_H
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#define AMDGPU_VIRT_H
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#define AMDGPU_SRIOV_CAPS_SRIOV_VBIOS (1 << 0) /* vBIOS is sr-iov ready */
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#define AMDGPU_SRIOV_CAPS_ENABLE_IOV (1 << 1) /* sr-iov is enabled on this GPU */
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#define AMDGPU_SRIOV_CAPS_IS_VF (1 << 2) /* this GPU is a virtual function */
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#define AMDGPU_PASSTHROUGH_MODE (1 << 3) /* thw whole GPU is pass through for VM */
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/* GPU virtualization */
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struct amdgpu_virtualization {
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uint32_t virtual_caps;
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};
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#define amdgpu_sriov_enabled(adev) \
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((adev)->virtualization.virtual_caps & AMDGPU_SRIOV_CAPS_ENABLE_IOV)
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#define amdgpu_sriov_vf(adev) \
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((adev)->virtualization.virtual_caps & AMDGPU_SRIOV_CAPS_IS_VF)
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#define amdgpu_sriov_bios(adev) \
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((adev)->virtualization.virtual_caps & AMDGPU_SRIOV_CAPS_SRIOV_VBIOS)
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#define amdgpu_passthrough(adev) \
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((adev)->virtualization.virtual_caps & AMDGPU_PASSTHROUGH_MODE)
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static inline bool is_virtual_machine(void)
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{
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#ifdef CONFIG_X86
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return boot_cpu_has(X86_FEATURE_HYPERVISOR);
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#else
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return false;
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#endif
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}
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#endif
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