diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/gvt.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gvt.h | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h index 858967daf04b..9a9671522774 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.h +++ b/drivers/gpu/drm/i915/gvt/gvt.h @@ -170,12 +170,18 @@ struct intel_vgpu_submission { struct intel_vgpu { struct intel_gvt *gvt; + struct mutex vgpu_lock; int id; unsigned long handle; /* vGPU handle used by hypervisor MPT modules */ bool active; bool pv_notified; bool failsafe; unsigned int resetting_eng; + + /* Both sched_data and sched_ctl can be seen a part of the global gvt + * scheduler structure. So below 2 vgpu data are protected + * by sched_lock, not vgpu_lock. + */ void *sched_data; struct vgpu_sched_ctl sched_ctl; @@ -296,7 +302,13 @@ struct intel_vgpu_type { }; struct intel_gvt { + /* GVT scope lock, protect GVT itself, and all resource currently + * not yet protected by special locks(vgpu and scheduler lock). + */ struct mutex lock; + /* scheduler scope lock, protect gvt and vgpu schedule related data */ + struct mutex sched_lock; + struct drm_i915_private *dev_priv; struct idr vgpu_idr; /* vGPU IDR pool */ @@ -316,6 +328,10 @@ struct intel_gvt { struct task_struct *service_thread; wait_queue_head_t service_thread_wq; + + /* service_request is always used in bit operation, we should always + * use it with atomic bit ops so that no need to use gvt big lock. + */ unsigned long service_request; struct { @@ -363,9 +379,9 @@ int intel_gvt_load_firmware(struct intel_gvt *gvt); #define gvt_aperture_sz(gvt) (gvt->dev_priv->ggtt.mappable_end) #define gvt_aperture_pa_base(gvt) (gvt->dev_priv->ggtt.gmadr.start) -#define gvt_ggtt_gm_sz(gvt) (gvt->dev_priv->ggtt.base.total) +#define gvt_ggtt_gm_sz(gvt) (gvt->dev_priv->ggtt.vm.total) #define gvt_ggtt_sz(gvt) \ - ((gvt->dev_priv->ggtt.base.total >> PAGE_SHIFT) << 3) + ((gvt->dev_priv->ggtt.vm.total >> PAGE_SHIFT) << 3) #define gvt_hidden_sz(gvt) (gvt_ggtt_gm_sz(gvt) - gvt_aperture_sz(gvt)) #define gvt_aperture_gmadr_base(gvt) (0) |