Re: [PATCH kmods] linux/igb_uio: fix build on Linux 5.18+

[Ferruh Yigit <ferruh.yigit@amd.com>]

On 12/16/2022 5:18 PM, luca.boccassi@gmail.com wrote:
> From: Luca Boccassi <bluca@debian.org>
> 
> Reported-by: Paolo Pisati <p.pisati@gmail.com>
> Signed-off-by: Luca Boccassi <bluca@debian.org>
> ---
> Only build-tested.
> 
>  linux/igb_uio/igb_uio.c | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/linux/igb_uio/igb_uio.c b/linux/igb_uio/igb_uio.c
> index 33e0e02..3d8a8a8 100644
> --- a/linux/igb_uio/igb_uio.c
> +++ b/linux/igb_uio/igb_uio.c
> @@ -512,13 +512,21 @@ igbuio_pci_probe(struct pci_dev *dev, const struct pci_device_id *id)
>  		goto fail_release_iomem;
>  
>  	/* set 64-bit DMA mask */
> +#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 18, 0)
>  	err = pci_set_dma_mask(dev,  DMA_BIT_MASK(64));
> +#else
> +	err = dma_set_mask(&dev->dev, DMA_BIT_MASK(64));
> +#endif


Hi Luca,

Can you please check following, I guess these patches are for same issue:
https://patches.dpdk.org/project/dpdk/patch/20221216115732.3552650-1-ferruh.yigit@amd.com/

>  	if (err != 0) {
>  		dev_err(&dev->dev, "Cannot set DMA mask\n");
>  		goto fail_release_iomem;
>  	}
>  
> +#if LINUX_VERSION_CODE < KERNEL_VERSION(5, 18, 0)
>  	err = pci_set_consistent_dma_mask(dev, DMA_BIT_MASK(64));
> +#else
> +	err = dma_set_coherent_mask(&dev->dev, DMA_BIT_MASK(64));
> +#endif
>  	if (err != 0) {
>  		dev_err(&dev->dev, "Cannot set consistent DMA mask\n");
>  		goto fail_release_iomem;