vgtif_reg
I915_WRITE(vgtif_reg(display_ready), VGT_DRV_DISPLAY_READY);
I915_READ(vgtif_reg(avail_rs.fence_num));
I915_WRITE(vgtif_reg(pdp[0].lo), lower_32_bits(daddr));
I915_WRITE(vgtif_reg(pdp[0].hi), upper_32_bits(daddr));
I915_WRITE(vgtif_reg(pdp[i].lo), lower_32_bits(daddr));
I915_WRITE(vgtif_reg(pdp[i].hi), upper_32_bits(daddr));
I915_WRITE(vgtif_reg(g2v_notify), msg);
mappable_base = I915_READ(vgtif_reg(avail_rs.mappable_gmadr.base));
mappable_size = I915_READ(vgtif_reg(avail_rs.mappable_gmadr.size));
unmappable_base = I915_READ(vgtif_reg(avail_rs.nonmappable_gmadr.base));
unmappable_size = I915_READ(vgtif_reg(avail_rs.nonmappable_gmadr.size));
magic = __raw_i915_read64(dev_priv, vgtif_reg(magic));
version_major = __raw_i915_read16(dev_priv, vgtif_reg(version_major));
dev_priv->vgpu.caps = __raw_i915_read32(dev_priv, vgtif_reg(vgt_caps));