diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/gvt.h')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gvt.h | 67 |
1 files changed, 62 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h index 11df62b542b1..b1a7c8dd4b5f 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.h +++ b/drivers/gpu/drm/i915/gvt/gvt.h @@ -161,6 +161,20 @@ struct intel_vgpu { DECLARE_BITMAP(tlb_handle_pending, I915_NUM_ENGINES); struct i915_gem_context *shadow_ctx; struct notifier_block shadow_ctx_notifier_block; + +#if IS_ENABLED(CONFIG_DRM_I915_GVT_KVMGT) + struct { + struct device *mdev; + struct vfio_region *region; + int num_regions; + struct eventfd_ctx *intx_trigger; + struct eventfd_ctx *msi_trigger; + struct rb_root cache; + struct mutex cache_lock; + void *vfio_group; + struct notifier_block iommu_notifier; + } vdev; +#endif }; struct intel_gvt_gm { @@ -190,6 +204,16 @@ struct intel_gvt_opregion { u32 opregion_pa; }; +#define NR_MAX_INTEL_VGPU_TYPES 20 +struct intel_vgpu_type { + char name[16]; + unsigned int max_instance; + unsigned int avail_instance; + unsigned int low_gm_size; + unsigned int high_gm_size; + unsigned int fence; +}; + struct intel_gvt { struct mutex lock; struct drm_i915_private *dev_priv; @@ -205,6 +229,8 @@ struct intel_gvt { struct intel_gvt_opregion opregion; struct intel_gvt_workload_scheduler scheduler; DECLARE_HASHTABLE(cmd_table, GVT_CMD_HASH_BITS); + struct intel_vgpu_type *types; + unsigned int num_types; struct task_struct *service_thread; wait_queue_head_t service_thread_wq; @@ -231,6 +257,14 @@ void intel_gvt_free_firmware(struct intel_gvt *gvt); int intel_gvt_load_firmware(struct intel_gvt *gvt); /* Aperture/GM space definitions for GVT device */ +#define MB_TO_BYTES(mb) ((mb) << 20ULL) +#define BYTES_TO_MB(b) ((b) >> 20ULL) + +#define HOST_LOW_GM_SIZE MB_TO_BYTES(128) +#define HOST_HIGH_GM_SIZE MB_TO_BYTES(384) +#define HOST_FENCE 4 + +/* Aperture/GM space definitions for GVT device */ #define gvt_aperture_sz(gvt) (gvt->dev_priv->ggtt.mappable_end) #define gvt_aperture_pa_base(gvt) (gvt->dev_priv->ggtt.mappable_base) @@ -327,14 +361,19 @@ static inline void intel_vgpu_write_pci_bar(struct intel_vgpu *vgpu, * leave the bit 3 - bit 0 unchanged. */ *pval = (val & GENMASK(31, 4)) | (*pval & GENMASK(3, 0)); + } else { + *pval = val; } } -struct intel_vgpu *intel_gvt_create_vgpu(struct intel_gvt *gvt, - struct intel_vgpu_creation_params * - param); +int intel_gvt_init_vgpu_types(struct intel_gvt *gvt); +void intel_gvt_clean_vgpu_types(struct intel_gvt *gvt); +struct intel_vgpu *intel_gvt_create_vgpu(struct intel_gvt *gvt, + struct intel_vgpu_type *type); void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu); +void intel_gvt_reset_vgpu(struct intel_vgpu *vgpu); + /* validating GM functions */ #define vgpu_gmadr_is_aperture(vgpu, gmadr) \ @@ -369,10 +408,10 @@ int intel_gvt_ggtt_index_g2h(struct intel_vgpu *vgpu, unsigned long g_index, int intel_gvt_ggtt_h2g_index(struct intel_vgpu *vgpu, unsigned long h_index, unsigned long *g_index); -int intel_vgpu_emulate_cfg_read(void *__vgpu, unsigned int offset, +int intel_vgpu_emulate_cfg_read(struct intel_vgpu *vgpu, unsigned int offset, void *p_data, unsigned int bytes); -int intel_vgpu_emulate_cfg_write(void *__vgpu, unsigned int offset, +int intel_vgpu_emulate_cfg_write(struct intel_vgpu *vgpu, unsigned int offset, void *p_data, unsigned int bytes); void intel_gvt_clean_opregion(struct intel_gvt *gvt); @@ -382,6 +421,24 @@ void intel_vgpu_clean_opregion(struct intel_vgpu *vgpu); int intel_vgpu_init_opregion(struct intel_vgpu *vgpu, u32 gpa); int intel_vgpu_emulate_opregion_request(struct intel_vgpu *vgpu, u32 swsci); +int setup_vgpu_mmio(struct intel_vgpu *vgpu); +void populate_pvinfo_page(struct intel_vgpu *vgpu); + +struct intel_gvt_ops { + int (*emulate_cfg_read)(struct intel_vgpu *, unsigned int, void *, + unsigned int); + int (*emulate_cfg_write)(struct intel_vgpu *, unsigned int, void *, + unsigned int); + int (*emulate_mmio_read)(struct intel_vgpu *, u64, void *, + unsigned int); + int (*emulate_mmio_write)(struct intel_vgpu *, u64, void *, + unsigned int); + struct intel_vgpu *(*vgpu_create)(struct intel_gvt *, + struct intel_vgpu_type *); + void (*vgpu_destroy)(struct intel_vgpu *); + void (*vgpu_reset)(struct intel_vgpu *); +}; + #include "mpt.h" |
