[dpdk-dev] [PATCH] net/ifc: add live migration support
Ferruh Yigit
ferruh.yigit at intel.com
Tue Oct 2 16:45:57 CEST 2018
On 9/21/2018 12:55 AM, Ferruh Yigit wrote:
> On 9/10/2018 12:01 PM, Xiao Wang wrote:
>> IFCVF can help to log dirty page in live migration stage,
>> each queue's index can be read and configured to support
>> VHOST_USER_GET_VRING_BASE and VHOST_USER_SET_VRING_BASE.
>>
>> Signed-off-by: Xiao Wang <xiao.w.wang at intel.com>
>
> <...>
>
>> +static void
>> +ifcvf_used_ring_log(struct ifcvf_hw *hw, uint32_t queue, uint8_t *log_buf)
>> +{
>> + uint32_t i, size;
>> + uint64_t pfn;
>> +
>> + pfn = hw->vring[queue].used / PAGE_SIZE;
>> + size = hw->vring[queue].size * sizeof(struct vring_used_elem) +
>> + sizeof(__virtio16) * 3;
>
> Getting a build error for PowerPC [1], can someone from PPC side confirm it please?
>
> [1]
> .../drivers/net/ifc/ifcvf_vdpa.c: In function ‘ifcvf_used_ring_log’:
> .../drivers/net/ifc/ifcvf_vdpa.c:288:11: error: ‘__virtio16’ undeclared (first
> use in this function)
> sizeof(__virtio16) * 3;
> ^~~~~~~~~~
Also "__virtio16" seems added into Linux kernel on v3.19. Systems with kernel
version less than this causing build error.
Can we replace "__virtio16" usage with basic types to prevent build error?
If so can you please send this as a fix patch?
Thanks,
ferruh
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