[PATCH RFCv1 6/7] PCI/MSI: Add pci_alloc_irq_vectors_iovas helper

[Andy Shevchenko]

On Fri, Nov 08, 2024 at 09:48:51PM -0800, Nicolin Chen wrote:
> Now, the common __pci_alloc_irq_vectors() accepts an array of msi_iovas,
> which is a list of preset IOVAs for MSI doorbell addresses.
> 
> Add a helper that would pass in a list. A following patch will call this
> to forward msi_iovas from user space.

...

> +/**
> + * pci_alloc_irq_vectors_iovas() - Allocate multiple device interrupt
> + *                                 vectors with preset msi_iovas
> + * @dev:       the PCI device to operate on
> + * @min_vecs:  minimum required number of vectors (must be >= 1)
> + * @max_vecs:  maximum desired number of vectors
> + * @flags:     allocation flags, as in pci_alloc_irq_vectors()
> + * @msi_iovas: list of IOVAs for MSI between [min_vecs, max_vecs]
> + *
> + * Same as pci_alloc_irq_vectors(), but with the extra @msi_iovas parameter.
> + * Check that function docs, and &struct irq_affinity, for more details.
> + */

Always validate your kernel-doc descriptions

	scripts/kernel-doc -Wall -none -v ...

will give you a warning here.

-- 
With Best Regards,
Andy Shevchenko