Re: [dpdk-dev] [PATCH v2] eal_pci: Fix max_vfs missing for none igb_uio driver

[Thomas Monjalon <thomas.monjalon@6wind.com>]

2015-02-11 21:25, Michael Qiu:
> max_vfs will only be created by igb_uio driver, for other
> drivers like vfio or pci_uio_generic, max_vfs will miss.
> 
> But sriov_numvfs is not driver related, just get the vf numbers
> from that field.
> 
> Signed-off-by: Michael Qiu <michael.qiu@intel.com>
[...]
>  	snprintf(filename, sizeof(filename), "%s/max_vfs", dirname);
>  	if (!access(filename, F_OK) &&
> -	    eal_parse_sysfs_value(filename, &tmp) == 0) {
> +	    eal_parse_sysfs_value(filename, &tmp) == 0)
>  		dev->max_vfs = (uint16_t)tmp;
> +	else {
> +		/* for none igb_uio driver, need kernel

I think it's a typo. Do you mean "for non igb_uio driver"?

> +		 * version greater than 3.8 */
> +		snprintf(filename, sizeof(filename),
> +			 "%s/sriov_numvfs", dirname);
> +		if (!access(filename, F_OK) &&
> +		    eal_parse_sysfs_value(filename, &tmp) == 0)
> +			dev->max_vfs = (uint16_t)tmp;
>  	}
>  
>  	/* get numa node */
>