-static bool vgpu_gpa_is_aperture(struct intel_vgpu *vgpu, uint64_t gpa)
-{
- u64 aperture_gpa = intel_vgpu_get_bar_gpa(vgpu, PCI_BASE_ADDRESS_2);
- u64 aperture_sz = vgpu_aperture_sz(vgpu);
-
- return gpa >= aperture_gpa && gpa < aperture_gpa + aperture_sz;
-}
-
-static int vgpu_aperture_rw(struct intel_vgpu *vgpu, uint64_t gpa,
- void *pdata, unsigned int size, bool is_read)
-{
- u64 aperture_gpa = intel_vgpu_get_bar_gpa(vgpu, PCI_BASE_ADDRESS_2);
- u64 offset = gpa - aperture_gpa;
-
- if (!vgpu_gpa_is_aperture(vgpu, gpa + size - 1)) {
- gvt_vgpu_err("Aperture rw out of range, offset %llx, size %d\n",
- offset, size);
- return -EINVAL;
- }
-
- if (!vgpu->gm.aperture_va) {
- gvt_vgpu_err("BAR is not enabled\n");
- return -ENXIO;
- }
-
- if (is_read)
- memcpy(pdata, vgpu->gm.aperture_va + offset, size);
- else
- memcpy(vgpu->gm.aperture_va + offset, pdata, size);
- return 0;
-}
-