Commit 70a62fce authored by Jason Wang's avatar Jason Wang Committed by Michael S. Tsirkin
Browse files

vdpa_sim: implement get_iova_range() 



This implements a sample get_iova_range() for the simulator which
advertise [0, ULLONG_MAX] as the valid range.

Signed-off-by: default avatarJason Wang <jasowang@redhat.com>
Link: https://lore.kernel.org/r/20201023090043.14430-4-jasowang@redhat.com


Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>
parent 1b48dc03

drivers/vdpa/vdpa_sim/vdpa_sim.c

+12 −0
Original line number Diff line number Diff line
@@ -574,6 +574,16 @@ static u32 vdpasim_get_generation(struct vdpa_device *vdpa) 
	return vdpasim->generation;

}



static struct vdpa_iova_range vdpasim_get_iova_range(struct vdpa_device *vdpa)

{

	struct vdpa_iova_range range = {

		.first = 0ULL,

		.last = ULLONG_MAX,

	};



	return range;

}



static int vdpasim_set_map(struct vdpa_device *vdpa,

			   struct vhost_iotlb *iotlb)

{
@@ -657,6 +667,7 @@ static const struct vdpa_config_ops vdpasim_net_config_ops = { 
	.get_config             = vdpasim_get_config,

	.set_config             = vdpasim_set_config,

	.get_generation         = vdpasim_get_generation,

	.get_iova_range         = vdpasim_get_iova_range,

	.dma_map                = vdpasim_dma_map,

	.dma_unmap              = vdpasim_dma_unmap,

	.free                   = vdpasim_free,
@@ -683,6 +694,7 @@ static const struct vdpa_config_ops vdpasim_net_batch_config_ops = { 
	.get_config             = vdpasim_get_config,

	.set_config             = vdpasim_set_config,

	.get_generation         = vdpasim_get_generation,

	.get_iova_range         = vdpasim_get_iova_range,

	.set_map                = vdpasim_set_map,

	.free                   = vdpasim_free,

};

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