kernel_5.10 no rt

hc

2023-12-11 6778948f9de86c3cfaf36725a7c87dcff9ba247f

 kernel/drivers/gpu/drm/i915/gvt/mpt.h
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@@ -50,11 +50,10 @@
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  * Zero on success, negative error code if failed
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  */
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 static inline int intel_gvt_hypervisor_host_init(struct device *dev,
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-			void *gvt, const void *ops)
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+						 void *gvt, const void *ops)
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 {
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-	/* optional to provide */
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 	if (!intel_gvt_host.mpt->host_init)
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-		return 0;
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+		return -ENODEV;
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 	return intel_gvt_host.mpt->host_init(dev, gvt, ops);
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 }
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@@ -62,14 +61,13 @@
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 /**
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  * intel_gvt_hypervisor_host_exit - exit GVT-g host side
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  */
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-static inline void intel_gvt_hypervisor_host_exit(struct device *dev,
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-			void *gvt)
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+static inline void intel_gvt_hypervisor_host_exit(struct device *dev)
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 {
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 	/* optional to provide */
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 	if (!intel_gvt_host.mpt->host_exit)
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 		return;
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69
 
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-	intel_gvt_host.mpt->host_exit(dev, gvt);
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+	intel_gvt_host.mpt->host_exit(dev);
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 }
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 /**
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@@ -101,7 +99,7 @@
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 	if (!intel_gvt_host.mpt->detach_vgpu)
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 		return;
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-	intel_gvt_host.mpt->detach_vgpu(vgpu->handle);
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+	intel_gvt_host.mpt->detach_vgpu(vgpu);
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 }
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 #define MSI_CAP_CONTROL(offset) (offset + 2)
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@@ -257,6 +255,21 @@
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 }
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 /**
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+ * intel_gvt_hypervisor_dma_pin_guest_page - pin guest dma buf
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+ * @vgpu: a vGPU
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+ * @dma_addr: guest dma addr
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+ *
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+ * Returns:
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+ * 0 on success, negative error code if failed.
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+ */
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+static inline int
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+intel_gvt_hypervisor_dma_pin_guest_page(struct intel_vgpu *vgpu,
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+					dma_addr_t dma_addr)
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+{
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+	return intel_gvt_host.mpt->dma_pin_guest_page(vgpu->handle, dma_addr);
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+}
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+
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+/**
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  * intel_gvt_hypervisor_map_gfn_to_mfn - map a GFN region to MFN
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  * @vgpu: a vGPU
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  * @gfn: guest PFN
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@@ -316,6 +329,23 @@
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 }
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 /**
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+ * intel_gvt_hypervisor_set_edid - Set EDID region for guest
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+ * @vgpu: a vGPU
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+ * @port_num: display port number
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+ *
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+ * Returns:
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+ * Zero on success, negative error code if failed.
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+ */
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+static inline int intel_gvt_hypervisor_set_edid(struct intel_vgpu *vgpu,
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+						int port_num)
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+{
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+	if (!intel_gvt_host.mpt->set_edid)
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+		return 0;
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+
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+	return intel_gvt_host.mpt->set_edid(vgpu, port_num);
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+}
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+
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+/**
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  * intel_gvt_hypervisor_get_vfio_device - increase vfio device ref count
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  * @vgpu: a vGPU
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  *
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@@ -362,4 +392,7 @@
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 	return intel_gvt_host.mpt->is_valid_gfn(vgpu->handle, gfn);
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 }
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+int intel_gvt_register_hypervisor(struct intel_gvt_mpt *);
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+void intel_gvt_unregister_hypervisor(void);
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+
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 #endif /* _GVT_MPT_H_ */