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drm/i915/gvt: vGPU MMIO virtualization

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This patch introduces the generic vGPU MMIO emulation intercept
framework.  The MPT modules will request GVT-g core logic to
emulate MMIO read/write through IO emulation operations
callback when hypervisor trapped a guest GTTMMIO read/write.

Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
This commit is contained in:
Zhi Wang
2016-09-02 13:33:29 +08:00
committed by Zhenyu Wang
parent 4d60c5fd3f
commit e39c5add32
10 changed files with 1938 additions and 10 deletions
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10
drivers/gpu/drm/i915/gvt/hypercall.h
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@@ -34,13 +34,13 @@
#define _GVT_HYPERCALL_H_
struct intel_gvt_io_emulation_ops {
int (*emulate_cfg_read)(void *, unsigned int,
void *, unsigned int);
int (*emulate_cfg_write)(void *, unsigned int,
void *, unsigned int);
int (*emulate_cfg_read)(void *, unsigned int, void *, unsigned int);
int (*emulate_cfg_write)(void *, unsigned int, void *, unsigned int);
int (*emulate_mmio_read)(void *, u64, void *, unsigned int);
int (*emulate_mmio_write)(void *, u64, void *, unsigned int);
};
extern struct intel_gvt_io_emulation_ops *gvt_io_emulation_ops;
extern struct intel_gvt_io_emulation_ops intel_gvt_io_emulation_ops;
/*
* Specific GVT-g MPT modules function collections. Currently GVT-g supports