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GIM: init VF VRAM/GTT usage to sentinel on the SR-IOV host #79

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Merged
sarat-k merged 1 commit into from
Jul 21, 2026
Merged

GIM: init VF VRAM/GTT usage to sentinel on the SR-IOV host #79

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10 changes: 10 additions & 0 deletions sw/nic/gpuagent/api/smi/gimamdsmi/smi_api.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -1096,6 +1096,16 @@ smi_gpu_fill_stats (aga_gpu_handle_t gpu_handle_in,

AGA_SMI_SESSION_GUARD(gpu_key, gpu_handle_in);

// host-unsupported fields: sentinel-init so DME reports NA, not a bogus 0
memset(&stats->usage, 0xff, sizeof(aga_gpu_usage_t));
memset(&stats->pcie_stats, 0xff, sizeof(aga_gpu_pcie_stats_t));
memset(&stats->xgmi_link_stats, 0xff,
sizeof(aga_gpu_xgmi_link_stats_t) * AGA_GPU_MAX_XGMI_LINKS);
// per-VF VRAM/GTT usage is not exposed to the host over SR-IOV; init to the
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// sentinel so unsupported fields report NA (total_vram is filled separately
// from vram_status). Mirrors the baremetal per-struct sentinel-init idiom.
memset(&stats->vram_usage, 0xff, sizeof(stats->vram_usage));

// fill the power and voltage info
amdsmi_ret = amdsmi_get_power_info(gpu_handle, &power_info);
if (unlikely(amdsmi_ret != AMDSMI_STATUS_SUCCESS)) {
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