if (props->iolink_type == CRAT_IOLINK_TYPE_PCIEXPRESS)
props->weight = 20;
else if (props->iolink_type == CRAT_IOLINK_TYPE_XGMI)
- props->weight = 15;
+ props->weight = 15 * iolink->num_hops_xgmi;
else
props->weight = node_distance(id_from, id_to);
static int kfd_fill_gpu_xgmi_link_to_gpu(int *avail_size,
struct kfd_dev *kdev,
+ struct kfd_dev *peer_kdev,
struct crat_subtype_iolink *sub_type_hdr,
uint32_t proximity_domain_from,
uint32_t proximity_domain_to)
sub_type_hdr->io_interface_type = CRAT_IOLINK_TYPE_XGMI;
sub_type_hdr->proximity_domain_from = proximity_domain_from;
sub_type_hdr->proximity_domain_to = proximity_domain_to;
+ sub_type_hdr->num_hops_xgmi =
+ amdgpu_amdkfd_get_xgmi_hops_count(kdev->kgd, peer_kdev->kgd);
return 0;
}
(char *)sub_type_hdr +
sizeof(struct crat_subtype_iolink));
ret = kfd_fill_gpu_xgmi_link_to_gpu(
- &avail_size, kdev,
+ &avail_size, kdev, peer_dev->gpu,
(struct crat_subtype_iolink *)sub_type_hdr,
proximity_domain, nid);
if (ret < 0)
uint32_t minimum_bandwidth_mbs;
uint32_t maximum_bandwidth_mbs;
uint32_t recommended_transfer_size;
- uint8_t reserved2[CRAT_IOLINK_RESERVED_LENGTH];
+ uint8_t reserved2[CRAT_IOLINK_RESERVED_LENGTH - 1];
+ uint8_t num_hops_xgmi;
};
/*