On 2020/11/26 下午10:49, Stefano Garzarella wrote:
The simulated devices can support multiple queues, so this limit should be defined according to the number of queues supported by the device. Since we are in a simulator, let's simply remove that limit. Suggested-by: Jason Wang <jasow...@redhat.com> Acked-by: Jason Wang <jasow...@redhat.com> Signed-off-by: Stefano Garzarella <sgarz...@redhat.com> --- v2: - added VDPASIM_IOTLB_LIMIT macro [Jason]
Sorry for being unclear. I meant adding a macro like VHOST_IOTLB_UNLIMITED 0 in vhost_iotlb.h. And use that in vdpa_sim. Thanks
--- drivers/vdpa/vdpa_sim/vdpa_sim.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c index ad72f7b1a4eb..40664d87f303 100644 --- a/drivers/vdpa/vdpa_sim/vdpa_sim.c +++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c @@ -46,6 +46,7 @@ struct vdpasim_virtqueue { #define VDPASIM_QUEUE_MAX 256 #define VDPASIM_DEVICE_ID 0x1 #define VDPASIM_VENDOR_ID 0 +#define VDPASIM_IOTLB_LIMIT 0 /* unlimited */ #define VDPASIM_VQ_NUM 0x2 #define VDPASIM_NAME "vdpasim-netdev"@@ -365,7 +366,7 @@ static struct vdpasim *vdpasim_create(void)if (!vdpasim->vqs) goto err_iommu;- vdpasim->iommu = vhost_iotlb_alloc(2048, 0);+ vdpasim->iommu = vhost_iotlb_alloc(VDPASIM_IOTLB_LIMIT, 0); if (!vdpasim->iommu) goto err_iommu;
