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[SWDEV-462952] Updated passthrough to use virtualization mode struct

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Signed-off-by: gabrpham <Gabriel.Pham@amd.com>
Signed-off-by: Maisam Arif <Maisam.Arif@amd.com>
Co-authored-by: Maisam Arif <Maisam.Arif@amd.com>
This commit is contained in:
Pham, GabrielandMaisam Arif authored and GitHub committed 2025-01-31 17:34:01 -06:00
1 parent 6dcb9322f9
commit e663bed7d6
8 files changed
+234 -149
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src/amd_smi/amd_smi.cc
+25 -6
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@@ -3786,11 +3786,11 @@ amdsmi_get_link_topology_nearest(amdsmi_processor_handle processor_handle,
}
amdsmi_status_t
amdsmi_get_gpu_passthrough_info(amdsmi_processor_handle processor_handle, amdsmi_passthrough_info_t *info) {
amdsmi_get_gpu_virtualization_mode(amdsmi_processor_handle processor_handle, amdsmi_virtualization_mode_t *mode) {
AMDSMI_CHECK_INIT();
if (info == nullptr) {
if (mode == nullptr) {
return AMDSMI_STATUS_INVAL;
}
@@ -3808,10 +3808,29 @@ amdsmi_get_gpu_passthrough_info(amdsmi_processor_handle processor_handle, amdsmi
SMIGPUDEVICE_MUTEX(gpu_device->get_mutex())
info->device_id = dev_info.device_id;
info->rev_id = dev_info.pci_rev;
info->vendor_id = gpu_device->get_vendor_id();
info->ids_flags = dev_info.ids_flags;
// get drm version. If it's older than 3.62.0, then say not supported and exit.
drmVersionPtr drm_version;
int drm_fd = gpu_device->get_gpu_fd();
drm_version = drmGetVersion(drm_fd);
// minimum version that supports getting of virtualization mode
int major_version = 3;
int minor_version = 62;
int patch_version = 0;
if ((drm_version->version_major < major_version) || (drm_version->version_minor < minor_version) || (drm_version->version_patchlevel < patch_version)){
*mode = AMDSMI_VIRTUALIZATION_MODE_UNKNOWN;
}
else {
uint32_t ids_flag = (dev_info.ids_flags & AMDGPU_IDS_FLAGS_MODE_MASK) >> AMDGPU_IDS_FLAGS_MODE_SHIFT;
switch (ids_flag){
case 0: *mode = AMDSMI_VIRTUALIZATION_MODE_BAREMETAL; break;
case 1: *mode = AMDSMI_VIRTUALIZATION_MODE_GUEST; break;
case 2: *mode = AMDSMI_VIRTUALIZATION_MODE_PASSTHROUGH; break;
default: *mode = AMDSMI_VIRTUALIZATION_MODE_UNKNOWN; break;
}
}
free(drm_version);
}
else {
return AMDSMI_STATUS_DRM_ERROR;