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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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+
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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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+
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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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+
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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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+
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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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+
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+#define amdgpu_passthrough(adev) \
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+((adev)->virtualization.virtual_caps & AMDGPU_PASSTHROUGH_MODE)
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+
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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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+
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+#endif
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