/*
* Copyright ( c ) 2011 - 2016 Intel Corporation . All rights reserved .
*
* Permission is hereby granted , free of charge , to any person obtaining a
* copy of this software and associated documentation files ( the " Software " ) ,
* to deal in the Software without restriction , including without limitation
* the rights to use , copy , modify , merge , publish , distribute , sublicense ,
* and / or sell copies of the Software , and to permit persons to whom the
* Software is furnished to do so , subject to the following conditions :
*
* The above copyright notice and this permission notice ( including the next
* paragraph ) shall be included in all copies or substantial portions of the
* Software .
*
* THE SOFTWARE IS PROVIDED " AS IS " , WITHOUT WARRANTY OF ANY KIND , EXPRESS OR
* IMPLIED , INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY ,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT . IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM , DAMAGES OR OTHER
* LIABILITY , WHETHER IN AN ACTION OF CONTRACT , TORT OR OTHERWISE , ARISING FROM ,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE .
*
* Authors :
* Zhi Wang < zhi . a . wang @ intel . com >
*
* Contributors :
* Ping Gao < ping . a . gao @ intel . com >
* Tina Zhang < tina . zhang @ intel . com >
* Chanbin Du < changbin . du @ intel . com >
* Min He < min . he @ intel . com >
* Bing Niu < bing . niu @ intel . com >
* Zhenyu Wang < zhenyuw @ linux . intel . com >
*
*/
#ifndef _GVT_SCHEDULER_H_
#define _GVT_SCHEDULER_H_
#include "gt/intel_engine_types.h"
#include "execlist.h"
#include "interrupt.h"
struct intel_gvt_workload_scheduler {
struct intel_vgpu *current_vgpu;
struct intel_vgpu *next_vgpu;
struct intel_vgpu_workload *current_workload[I915_NUM_ENGINES];
bool need_reschedule;
spinlock_t mmio_context_lock;
/* can be null when owner is host */
struct intel_vgpu *engine_owner[I915_NUM_ENGINES];
wait_queue_head_t workload_complete_wq;
struct task_struct *thread[I915_NUM_ENGINES];
wait_queue_head_t waitq[I915_NUM_ENGINES];
void *sched_data;
const struct intel_gvt_sched_policy_ops *sched_ops;
};
#define INDIRECT_CTX_ADDR_MASK 0 xffffffc0
#define INDIRECT_CTX_SIZE_MASK 0 x3f
struct shadow_indirect_ctx {
struct drm_i915_gem_object *obj;
unsigned long guest_gma;
unsigned long shadow_gma;
void *shadow_va;
u32 size;
};
#define PER_CTX_ADDR_MASK 0 xfffff000
struct shadow_per_ctx {
unsigned long guest_gma;
unsigned long shadow_gma;
unsigned valid;
};
struct intel_shadow_wa_ctx {
struct shadow_indirect_ctx indirect_ctx;
struct shadow_per_ctx per_ctx;
};
struct intel_vgpu_workload {
struct intel_vgpu *vgpu;
const struct intel_engine_cs *engine;
struct i915_request *req;
/* if this workload has been dispatched to i915? */
bool dispatched;
bool shadow; /* if workload has done shadow of guest request */
int status;
struct intel_vgpu_mm *shadow_mm;
struct list_head lri_shadow_mm; /* For PPGTT load cmd */
/* different submission model may need different handler */
int (*prepare)(struct intel_vgpu_workload *);
int (*complete)(struct intel_vgpu_workload *);
struct list_head list;
DECLARE_BITMAP(pending_events, INTEL_GVT_EVENT_MAX);
void *shadow_ring_buffer_va;
/* execlist context information */
struct execlist_ctx_descriptor_format ctx_desc;
unsigned long rb_head, rb_tail, rb_ctl, rb_start, rb_len;
unsigned long guest_rb_head;
struct intel_vgpu_elsp_dwords elsp_dwords;
bool emulate_schedule_in;
atomic_t shadow_ctx_active;
wait_queue_head_t shadow_ctx_status_wq;
u64 ring_context_gpa;
/* shadow batch buffer */
struct list_head shadow_bb;
struct intel_shadow_wa_ctx wa_ctx;
/* oa registers */
u32 oactxctrl;
u32 flex_mmio[7 ];
};
struct intel_vgpu_shadow_bb {
struct list_head list;
struct drm_i915_gem_object *obj;
struct i915_vma *vma;
void *va;
u32 *bb_start_cmd_va;
unsigned long bb_offset;
bool ppgtt;
};
#define workload_q_head(vgpu, e) \
(&(vgpu)->submission.workload_q_head[(e)->id])
void intel_vgpu_queue_workload(struct intel_vgpu_workload *workload);
int intel_gvt_init_workload_scheduler(struct intel_gvt *gvt);
void intel_gvt_clean_workload_scheduler(struct intel_gvt *gvt);
void intel_gvt_wait_vgpu_idle(struct intel_vgpu *vgpu);
int intel_vgpu_setup_submission(struct intel_vgpu *vgpu);
void intel_vgpu_reset_submission(struct intel_vgpu *vgpu,
intel_engine_mask_t engine_mask);
void intel_vgpu_clean_submission(struct intel_vgpu *vgpu);
int intel_vgpu_select_submission_ops(struct intel_vgpu *vgpu,
intel_engine_mask_t engine_mask,
unsigned int interface);
extern const struct intel_vgpu_submission_ops
intel_vgpu_execlist_submission_ops;
struct intel_vgpu_workload *
intel_vgpu_create_workload(struct intel_vgpu *vgpu,
const struct intel_engine_cs *engine,
struct execlist_ctx_descriptor_format *desc);
void intel_vgpu_destroy_workload(struct intel_vgpu_workload *workload);
void intel_vgpu_clean_workloads(struct intel_vgpu *vgpu,
intel_engine_mask_t engine_mask);
#endif
Messung V0.5 in Prozent C=95 H=100 G=97
¤ Dauer der Verarbeitung: 0.10 Sekunden
(vorverarbeitet am 2026-10-04)
¤
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