Function rt_pci_msix_enable_range_affinity

components/drivers/pci/msi/msi.c:881–951

}

rt_ssize_t rt_pci_msix_enable_range_affinity(struct rt_pci_device *pdev,
        struct rt_pci_msix_entry *entries, int min, int max,
        RT_IRQ_AFFINITY_DECLARE((*affinities)))
{
    int nvec = max;
    rt_size_t entries_nr;

    if (!pdev || min > max)
    {
        return -RT_EINVAL;
    }

    if (pdev->no_msi)
    {
        return -RT_ENOSYS;
    }

    if (!pdev->msi_pic)
    {
        return -RT_ENOSYS;
    }

    if (pdev->msix_enabled)
    {
        LOG_W("%s: MSI-X is enabled", rt_dm_dev_get_name(&pdev->parent));

        return -RT_EINVAL;
    }

    entries_nr = rt_pci_msix_vector_count(pdev);

    if (entries_nr < 0)
    {
        return entries_nr;
    }

    if (nvec > entries_nr)
    {
        return -RT_EEMPTY;
    }

    if (!entries)
    {
        return 0;
    }

    /* Check if entries is valid */
    for (int i = 0; i < nvec; ++i)
    {
        struct rt_pci_msix_entry *target = &entries[i];

        if (target->index >= entries_nr)
        {
            return -RT_EINVAL;
        }

        for (int j = i + 1; j < nvec; ++j)
        {