rmixl_pcie_decompose_tag
rmixl_pcie_decompose_tag(v, tag, &bus, &dev, &fun);
static void rmixl_pcie_decompose_tag(void *, pcitag_t, int *, int *, int *);
pc->pc_decompose_tag = rmixl_pcie_decompose_tag;
rmixl_pcie_decompose_tag(v, tag, &bus, &dev, &fun);
rmixl_pcie_decompose_tag(v, tag, &bus, &dev, &fun);