drm/i915/gvt: vGPU command scanner
This patch introduces a command scanner to scan guest command buffers.
Signed-off-by: Yulei Zhang <yulei.zhang@intel.com>
Signed-off-by: Zhi Wang <zhi.a.wang@intel.com>
Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
diff --git a/drivers/gpu/drm/i915/gvt/scheduler.h b/drivers/gpu/drm/i915/gvt/scheduler.h
index 2500438..3b30c28 100644
--- a/drivers/gpu/drm/i915/gvt/scheduler.h
+++ b/drivers/gpu/drm/i915/gvt/scheduler.h
@@ -50,6 +50,29 @@
struct intel_gvt_sched_policy_ops *sched_ops;
};
+#define INDIRECT_CTX_ADDR_MASK 0xffffffc0
+#define INDIRECT_CTX_SIZE_MASK 0x3f
+struct shadow_indirect_ctx {
+ struct drm_i915_gem_object *obj;
+ unsigned long guest_gma;
+ unsigned long shadow_gma;
+ void *shadow_va;
+ uint32_t size;
+};
+
+#define PER_CTX_ADDR_MASK 0xfffff000
+struct shadow_per_ctx {
+ unsigned long guest_gma;
+ unsigned long shadow_gma;
+};
+
+struct intel_shadow_wa_ctx {
+ struct intel_vgpu_workload *workload;
+ struct shadow_indirect_ctx indirect_ctx;
+ struct shadow_per_ctx per_ctx;
+
+};
+
struct intel_vgpu_workload {
struct intel_vgpu *vgpu;
int ring_id;
@@ -65,16 +88,32 @@
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;
struct execlist_ring_context *ring_context;
- unsigned long rb_head, rb_tail, rb_ctl, rb_start;
+ unsigned long rb_head, rb_tail, rb_ctl, rb_start, rb_len;
bool restore_inhibit;
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;
+};
+
+/* Intel shadow batch buffer is a i915 gem object */
+struct intel_shadow_bb_entry {
+ struct list_head list;
+ struct drm_i915_gem_object *obj;
+ void *va;
+ unsigned long len;
+ void *bb_start_cmd_va;
};
#define workload_q_head(vgpu, ring_id) \