Re: [Xen-devel] [PATCH v4 08/17] xen/arm: ITS: Add APIs to add and assign device

[Vijay Kilari <vijay.kilari@xxxxxxxxx>]

On Wed, Jul 15, 2015 at 6:44 PM, Julien Grall <julien.grall@xxxxxxxxxx> wrote:
> Hi Ian,
>
> On 10/07/2015 16:52, Ian Campbell wrote:
>>>
>>> +static struct its_device *its_alloc_device(u32 devid)
>>> +{
>>> +    struct its_device *dev;
>>> +    paddr_t *itt;
>>> +    unsigned long *lpi_map;
>>> +    int lpi_base, nr_lpis, sz;
>>> +    u32 nr_ites;
>>> +
>>> +    dev = xzalloc(struct its_device);
>>> +    if ( dev == NULL )
>>> +        return NULL;
>>> +
>>> +    dev->its = its_get_phys_node(devid);
>>> +    /* TODO: Use pci helper to get nvecs */
>>> +    nr_ites = 64;
>>
>>
>> Please add nr_ites as a parameter to this function and to
>> its_add_device, such that this hardcoding can be pushed all the way down
>> into the final patch which adds the temporary registration code in
>> xen/arch/arm/platforms/thunderx.c.
>
>
> +1, I would also add the physical ITS in parameter as it's not possible to
> get it based on the devID (see its_get_phys_node).

  thunderx.c does not have physical ITS to pass as parameter.

>
> Regards,
>
> --
> Julien Grall

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