diff options
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gtt.c | 23 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gtt.h | 4 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/handlers.c | 23 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/scheduler.c | 16 |
4 files changed, 22 insertions, 44 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index 162daad11ca4..a6a84ccdc571 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -2292,19 +2292,17 @@ struct intel_vgpu_mm *intel_vgpu_find_ppgtt_mm(struct intel_vgpu *vgpu, } /** - * intel_vgpu_g2v_create_ppgtt_mm - create a PPGTT mm object from - * g2v notification + * intel_vgpu_get_ppgtt_mm - get or create a PPGTT mm object. * @vgpu: a vGPU * @root_entry_type: ppgtt root entry type * @pdps: guest pdps * - * This function is used to create a PPGTT mm object from a guest to GVT-g - * notification. + * This function is used to find or create a PPGTT mm object from a guest. * * Returns: * Zero on success, negative error code if failed. */ -int intel_vgpu_g2v_create_ppgtt_mm(struct intel_vgpu *vgpu, +struct intel_vgpu_mm *intel_vgpu_get_ppgtt_mm(struct intel_vgpu *vgpu, intel_gvt_gtt_type_t root_entry_type, u64 pdps[]) { struct intel_vgpu_mm *mm; @@ -2314,28 +2312,23 @@ int intel_vgpu_g2v_create_ppgtt_mm(struct intel_vgpu *vgpu, intel_vgpu_mm_get(mm); } else { mm = intel_vgpu_create_ppgtt_mm(vgpu, root_entry_type, pdps); - if (IS_ERR(mm)) { + if (IS_ERR(mm)) gvt_vgpu_err("fail to create mm\n"); - return PTR_ERR(mm); - } } - return 0; + return mm; } /** - * intel_vgpu_g2v_destroy_ppgtt_mm - destroy a PPGTT mm object from - * g2v notification + * intel_vgpu_put_ppgtt_mm - find and put a PPGTT mm object. * @vgpu: a vGPU * @pdps: guest pdps * - * This function is used to create a PPGTT mm object from a guest to GVT-g - * notification. + * This function is used to find a PPGTT mm object from a guest and destroy it. * * Returns: * Zero on success, negative error code if failed. */ -int intel_vgpu_g2v_destroy_ppgtt_mm(struct intel_vgpu *vgpu, - u64 pdps[]) +int intel_vgpu_put_ppgtt_mm(struct intel_vgpu *vgpu, u64 pdps[]) { struct intel_vgpu_mm *mm; diff --git a/drivers/gpu/drm/i915/gvt/gtt.h b/drivers/gpu/drm/i915/gvt/gtt.h index 3bef5c9fc926..652a76ef6706 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.h +++ b/drivers/gpu/drm/i915/gvt/gtt.h @@ -275,10 +275,10 @@ unsigned long intel_vgpu_gma_to_gpa(struct intel_vgpu_mm *mm, struct intel_vgpu_mm *intel_vgpu_find_ppgtt_mm(struct intel_vgpu *vgpu, u64 pdps[]); -int intel_vgpu_g2v_create_ppgtt_mm(struct intel_vgpu *vgpu, +struct intel_vgpu_mm *intel_vgpu_get_ppgtt_mm(struct intel_vgpu *vgpu, intel_gvt_gtt_type_t root_entry_type, u64 pdps[]); -int intel_vgpu_g2v_destroy_ppgtt_mm(struct intel_vgpu *vgpu, u64 pdps[]); +int intel_vgpu_put_ppgtt_mm(struct intel_vgpu *vgpu, u64 pdps[]); int intel_vgpu_emulate_ggtt_mmio_read(struct intel_vgpu *vgpu, unsigned int off, void *p_data, unsigned int bytes); diff --git a/drivers/gpu/drm/i915/gvt/handlers.c b/drivers/gpu/drm/i915/gvt/handlers.c index c51a5bd4e109..fbb908e797c4 100644 --- a/drivers/gpu/drm/i915/gvt/handlers.c +++ b/drivers/gpu/drm/i915/gvt/handlers.c @@ -1139,28 +1139,21 @@ static int pvinfo_mmio_read(struct intel_vgpu *vgpu, unsigned int offset, static int handle_g2v_notification(struct intel_vgpu *vgpu, int notification) { + intel_gvt_gtt_type_t root_entry_type = GTT_TYPE_PPGTT_ROOT_L4_ENTRY; + struct intel_vgpu_mm *mm; u64 *pdps; - int ret = 0; pdps = (u64 *)&vgpu_vreg64_t(vgpu, vgtif_reg(pdp[0])); switch (notification) { case VGT_G2V_PPGTT_L3_PAGE_TABLE_CREATE: - ret = intel_vgpu_g2v_create_ppgtt_mm(vgpu, - GTT_TYPE_PPGTT_ROOT_L3_ENTRY, - pdps); - break; - case VGT_G2V_PPGTT_L3_PAGE_TABLE_DESTROY: - ret = intel_vgpu_g2v_destroy_ppgtt_mm(vgpu, pdps); - break; + root_entry_type = GTT_TYPE_PPGTT_ROOT_L3_ENTRY; case VGT_G2V_PPGTT_L4_PAGE_TABLE_CREATE: - ret = intel_vgpu_g2v_create_ppgtt_mm(vgpu, - GTT_TYPE_PPGTT_ROOT_L4_ENTRY, - pdps); - break; + mm = intel_vgpu_get_ppgtt_mm(vgpu, root_entry_type, pdps); + return PTR_ERR_OR_ZERO(mm); + case VGT_G2V_PPGTT_L3_PAGE_TABLE_DESTROY: case VGT_G2V_PPGTT_L4_PAGE_TABLE_DESTROY: - ret = intel_vgpu_g2v_destroy_ppgtt_mm(vgpu, pdps); - break; + return intel_vgpu_put_ppgtt_mm(vgpu, pdps); case VGT_G2V_EXECLIST_CONTEXT_CREATE: case VGT_G2V_EXECLIST_CONTEXT_DESTROY: case 1: /* Remove this in guest driver. */ @@ -1168,7 +1161,7 @@ static int handle_g2v_notification(struct intel_vgpu *vgpu, int notification) default: gvt_vgpu_err("Invalid PV notification %d\n", notification); } - return ret; + return 0; } static int send_display_ready_uevent(struct intel_vgpu *vgpu, int ready) diff --git a/drivers/gpu/drm/i915/gvt/scheduler.c b/drivers/gpu/drm/i915/gvt/scheduler.c index 989304ef18e3..f4765ed4e92a 100644 --- a/drivers/gpu/drm/i915/gvt/scheduler.c +++ b/drivers/gpu/drm/i915/gvt/scheduler.c @@ -1198,18 +1198,10 @@ static int prepare_mm(struct intel_vgpu_workload *workload) read_guest_pdps(workload->vgpu, workload->ring_context_gpa, (void *)pdps); - mm = intel_vgpu_find_ppgtt_mm(workload->vgpu, pdps); - if (mm) { - intel_vgpu_mm_get(mm); - } else { - - mm = intel_vgpu_create_ppgtt_mm(workload->vgpu, root_entry_type, - pdps); - if (IS_ERR(mm)) { - gvt_vgpu_err("fail to create mm object.\n"); - return PTR_ERR(mm); - } - } + mm = intel_vgpu_get_ppgtt_mm(workload->vgpu, root_entry_type, pdps); + if (IS_ERR(mm)) + return PTR_ERR(mm); + workload->shadow_mm = mm; return 0; } |