[PATCH v5 4/5] bus/cdx: add support for MSI

[Nipun Gupta]

On 6/1/2023 8:39 PM, David Marchand wrote:
> 
> On Thu, May 25, 2023 at 12:09 PM Nipun Gupta <nipun.gupta at amd.com> wrote:
>>

<snip>

>> @@ -116,6 +141,18 @@ cdx_vfio_unmap_resource_secondary(struct rte_cdx_device *dev)
>>   {
>>          struct mapped_cdx_resource *vfio_res = NULL;
>>          struct mapped_cdx_res_list *vfio_res_list;
>> +       int ret, vfio_dev_fd;
>> +
>> +       vfio_dev_fd = rte_intr_dev_fd_get(dev->intr_handle);
>> +       if (vfio_dev_fd < 0)
>> +               return -1;
>> +
>> +       ret = rte_vfio_release_device(rte_cdx_get_sysfs_path(), dev->device.name,
>> +                                     vfio_dev_fd);
>> +       if (ret < 0) {
>> +               CDX_BUS_ERR("Cannot release VFIO device");
>> +               return ret;
>> +       }
>>
>>          vfio_res_list =
>>                  RTE_TAILQ_CAST(cdx_vfio_tailq.head, mapped_cdx_res_list);
>> @@ -140,9 +177,80 @@ cdx_vfio_unmap_resource(struct rte_cdx_device *dev)
>>                  return cdx_vfio_unmap_resource_secondary(dev);
>>   }
>>
>> +/* set up interrupt support (but not enable interrupts) */
>>   static int
>> -cdx_rte_vfio_setup_device(int vfio_dev_fd)
>> +cdx_vfio_setup_interrupts(struct rte_cdx_device *dev, int vfio_dev_fd,
> 
> Why rename this function?

This is actually not renamed. git commit is showing this, because 
parameters of cdx_rte_vfio_setup_device() has been updated and a new API 
has also been added cdx_vfio_setup_interrupts(). It shows parameter 
update as "+cdx_rte_vfio_setup_device()" just after this API code.

Thanks,
Nipun