myri10ge_find_cap
err = myri10ge_find_cap(handle, &ptr, PCI_CAP_ID_PCI_E);
err = myri10ge_find_cap(handle, &ptr, PCI_CAP_ID_PCI_E);
err = myri10ge_find_cap(handle, &ptr, PCI_CAP_ID_MSI);
err = myri10ge_find_cap(handle, &ptr, PCI_CAP_ID_MSI);
status = myri10ge_find_cap(handle, &vso, PCI_CAP_ID_VS);