diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/gvt.h')
-rw-r--r-- | drivers/gpu/drm/i915/gvt/gvt.h | 46 |
1 files changed, 24 insertions, 22 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gvt.h b/drivers/gpu/drm/i915/gvt/gvt.h index 705689e64011..dbf8d7470b2c 100644 --- a/drivers/gpu/drm/i915/gvt/gvt.h +++ b/drivers/gpu/drm/i915/gvt/gvt.h @@ -36,6 +36,7 @@ #include <uapi/linux/pci_regs.h> #include <linux/kvm_host.h> #include <linux/vfio.h> +#include <linux/mdev.h> #include "i915_drv.h" #include "intel_gvt.h" @@ -172,6 +173,7 @@ struct intel_vgpu_submission { #define KVMGT_DEBUGFS_FILENAME "kvmgt_nr_cache_entries" struct intel_vgpu { + struct vfio_device vfio_device; struct intel_gvt *gvt; struct mutex vgpu_lock; int id; @@ -211,7 +213,6 @@ struct intel_vgpu { u32 scan_nonprivbb; - struct vfio_device vfio_device; struct vfio_region *region; int num_regions; struct eventfd_ctx *intx_trigger; @@ -294,15 +295,25 @@ struct intel_gvt_firmware { bool firmware_loaded; }; -#define NR_MAX_INTEL_VGPU_TYPES 20 -struct intel_vgpu_type { - char name[16]; - unsigned int avail_instance; - unsigned int low_gm_size; - unsigned int high_gm_size; +struct intel_vgpu_config { + unsigned int low_mm; + unsigned int high_mm; unsigned int fence; + + /* + * A vGPU with a weight of 8 will get twice as much GPU as a vGPU with + * a weight of 4 on a contended host, different vGPU type has different + * weight set. Legal weights range from 1 to 16. + */ unsigned int weight; - enum intel_vgpu_edid resolution; + enum intel_vgpu_edid edid; + const char *name; +}; + +struct intel_vgpu_type { + struct mdev_type type; + char name[16]; + const struct intel_vgpu_config *conf; }; struct intel_gvt { @@ -326,6 +337,8 @@ struct intel_gvt { struct intel_gvt_workload_scheduler scheduler; struct notifier_block shadow_ctx_notifier_block[I915_NUM_ENGINES]; DECLARE_HASHTABLE(cmd_table, GVT_CMD_HASH_BITS); + struct mdev_parent parent; + struct mdev_type **mdev_types; struct intel_vgpu_type *types; unsigned int num_types; struct intel_vgpu *idle_vgpu; @@ -436,19 +449,8 @@ int intel_gvt_load_firmware(struct intel_gvt *gvt); /* ring context size i.e. the first 0x50 dwords*/ #define RING_CTX_SIZE 320 -struct intel_vgpu_creation_params { - __u64 low_gm_sz; /* in MB */ - __u64 high_gm_sz; /* in MB */ - __u64 fence_sz; - __u64 resolution; - __s32 primary; - __u64 vgpu_id; - - __u32 weight; -}; - int intel_vgpu_alloc_resource(struct intel_vgpu *vgpu, - struct intel_vgpu_creation_params *param); + const struct intel_vgpu_config *conf); void intel_vgpu_reset_resource(struct intel_vgpu *vgpu); void intel_vgpu_free_resource(struct intel_vgpu *vgpu); void intel_vgpu_write_fence(struct intel_vgpu *vgpu, @@ -494,8 +496,8 @@ void intel_gvt_clean_vgpu_types(struct intel_gvt *gvt); struct intel_vgpu *intel_gvt_create_idle_vgpu(struct intel_gvt *gvt); void intel_gvt_destroy_idle_vgpu(struct intel_vgpu *vgpu); -struct intel_vgpu *intel_gvt_create_vgpu(struct intel_gvt *gvt, - struct intel_vgpu_type *type); +int intel_gvt_create_vgpu(struct intel_vgpu *vgpu, + const struct intel_vgpu_config *conf); void intel_gvt_destroy_vgpu(struct intel_vgpu *vgpu); void intel_gvt_release_vgpu(struct intel_vgpu *vgpu); void intel_gvt_reset_vgpu_locked(struct intel_vgpu *vgpu, bool dmlr, |