diff options
Diffstat (limited to 'drivers/gpu/drm/i915/gvt/gtt.c')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/gtt.c | 55 |
1 files changed, 35 insertions, 20 deletions
diff --git a/drivers/gpu/drm/i915/gvt/gtt.c b/drivers/gpu/drm/i915/gvt/gtt.c index d4082f4b9be1..9c5cc2800975 100644 --- a/drivers/gpu/drm/i915/gvt/gtt.c +++ b/drivers/gpu/drm/i915/gvt/gtt.c @@ -49,6 +49,22 @@ static bool enable_out_of_sync = false; static int preallocated_oos_pages = 8192; +static bool intel_gvt_is_valid_gfn(struct intel_vgpu *vgpu, unsigned long gfn) +{ + struct kvm *kvm = vgpu->kvm; + int idx; + bool ret; + + if (!vgpu->attached) + return false; + + idx = srcu_read_lock(&kvm->srcu); + ret = kvm_is_visible_gfn(kvm, gfn); + srcu_read_unlock(&kvm->srcu, idx); + + return ret; +} + /* * validate a gm address and related range size, * translate it to host gm address @@ -314,7 +330,7 @@ static inline int gtt_get_entry64(void *pt, return -EINVAL; if (hypervisor_access) { - ret = intel_gvt_hypervisor_read_gpa(vgpu, gpa + + ret = intel_gvt_read_gpa(vgpu, gpa + (index << info->gtt_entry_size_shift), &e->val64, 8); if (WARN_ON(ret)) @@ -339,7 +355,7 @@ static inline int gtt_set_entry64(void *pt, return -EINVAL; if (hypervisor_access) { - ret = intel_gvt_hypervisor_write_gpa(vgpu, gpa + + ret = intel_gvt_write_gpa(vgpu, gpa + (index << info->gtt_entry_size_shift), &e->val64, 8); if (WARN_ON(ret)) @@ -997,7 +1013,7 @@ static inline void ppgtt_invalidate_pte(struct intel_vgpu_ppgtt_spt *spt, if (!pfn || pfn == vgpu->gtt.scratch_pt[type].page_mfn) return; - intel_gvt_hypervisor_dma_unmap_guest_page(vgpu, pfn << PAGE_SHIFT); + intel_gvt_dma_unmap_guest_page(vgpu, pfn << PAGE_SHIFT); } static int ppgtt_invalidate_spt(struct intel_vgpu_ppgtt_spt *spt) @@ -1162,15 +1178,16 @@ static int is_2MB_gtt_possible(struct intel_vgpu *vgpu, struct intel_gvt_gtt_entry *entry) { const struct intel_gvt_gtt_pte_ops *ops = vgpu->gvt->gtt.pte_ops; - unsigned long pfn; + kvm_pfn_t pfn; if (!HAS_PAGE_SIZES(vgpu->gvt->gt->i915, I915_GTT_PAGE_SIZE_2M)) return 0; - pfn = intel_gvt_hypervisor_gfn_to_mfn(vgpu, ops->get_pfn(entry)); - if (pfn == INTEL_GVT_INVALID_ADDR) + if (!vgpu->attached) + return -EINVAL; + pfn = gfn_to_pfn(vgpu->kvm, ops->get_pfn(entry)); + if (is_error_noslot_pfn(pfn)) return -EINVAL; - return PageTransHuge(pfn_to_page(pfn)); } @@ -1195,8 +1212,8 @@ static int split_2MB_gtt_entry(struct intel_vgpu *vgpu, return PTR_ERR(sub_spt); for_each_shadow_entry(sub_spt, &sub_se, sub_index) { - ret = intel_gvt_hypervisor_dma_map_guest_page(vgpu, - start_gfn + sub_index, PAGE_SIZE, &dma_addr); + ret = intel_gvt_dma_map_guest_page(vgpu, start_gfn + sub_index, + PAGE_SIZE, &dma_addr); if (ret) { ppgtt_invalidate_spt(spt); return ret; @@ -1241,8 +1258,8 @@ static int split_64KB_gtt_entry(struct intel_vgpu *vgpu, ops->set_64k_splited(&entry); for (i = 0; i < GTT_64K_PTE_STRIDE; i++) { - ret = intel_gvt_hypervisor_dma_map_guest_page(vgpu, - start_gfn + i, PAGE_SIZE, &dma_addr); + ret = intel_gvt_dma_map_guest_page(vgpu, start_gfn + i, + PAGE_SIZE, &dma_addr); if (ret) return ret; @@ -1296,8 +1313,7 @@ static int ppgtt_populate_shadow_entry(struct intel_vgpu *vgpu, } /* direct shadow */ - ret = intel_gvt_hypervisor_dma_map_guest_page(vgpu, gfn, page_size, - &dma_addr); + ret = intel_gvt_dma_map_guest_page(vgpu, gfn, page_size, &dma_addr); if (ret) return -ENXIO; @@ -1331,7 +1347,7 @@ static int ppgtt_populate_spt(struct intel_vgpu_ppgtt_spt *spt) ppgtt_set_shadow_entry(spt, &se, i); } else { gfn = ops->get_pfn(&ge); - if (!intel_gvt_hypervisor_is_valid_gfn(vgpu, gfn)) { + if (!intel_gvt_is_valid_gfn(vgpu, gfn)) { ops->set_pfn(&se, gvt->gtt.scratch_mfn); ppgtt_set_shadow_entry(spt, &se, i); continue; @@ -1497,7 +1513,7 @@ static int attach_oos_page(struct intel_vgpu_oos_page *oos_page, struct intel_gvt *gvt = spt->vgpu->gvt; int ret; - ret = intel_gvt_hypervisor_read_gpa(spt->vgpu, + ret = intel_gvt_read_gpa(spt->vgpu, spt->guest_page.gfn << I915_GTT_PAGE_SHIFT, oos_page->mem, I915_GTT_PAGE_SIZE); if (ret) @@ -2228,8 +2244,7 @@ static void ggtt_invalidate_pte(struct intel_vgpu *vgpu, pfn = pte_ops->get_pfn(entry); if (pfn != vgpu->gvt->gtt.scratch_mfn) - intel_gvt_hypervisor_dma_unmap_guest_page(vgpu, - pfn << PAGE_SHIFT); + intel_gvt_dma_unmap_guest_page(vgpu, pfn << PAGE_SHIFT); } static int emulate_ggtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off, @@ -2315,13 +2330,13 @@ static int emulate_ggtt_mmio_write(struct intel_vgpu *vgpu, unsigned int off, /* one PTE update may be issued in multiple writes and the * first write may not construct a valid gfn */ - if (!intel_gvt_hypervisor_is_valid_gfn(vgpu, gfn)) { + if (!intel_gvt_is_valid_gfn(vgpu, gfn)) { ops->set_pfn(&m, gvt->gtt.scratch_mfn); goto out; } - ret = intel_gvt_hypervisor_dma_map_guest_page(vgpu, gfn, - PAGE_SIZE, &dma_addr); + ret = intel_gvt_dma_map_guest_page(vgpu, gfn, PAGE_SIZE, + &dma_addr); if (ret) { gvt_vgpu_err("fail to populate guest ggtt entry\n"); /* guest driver may read/write the entry when partial |