diff options
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h | 24 |
1 files changed, 20 insertions, 4 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h index d1282b4c6348..924da0bec509 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_xgmi.h @@ -55,6 +55,22 @@ struct amdgpu_pcs_ras_field { uint32_t pcs_err_shift; }; +/** + * Bandwidth range reporting comes in two modes. + * + * PER_LINK - range for any xgmi link + * PER_PEER - range of max of single xgmi link to max of multiple links based on source peer + */ +enum amdgpu_xgmi_bw_mode { + AMDGPU_XGMI_BW_MODE_PER_LINK = 0, + AMDGPU_XGMI_BW_MODE_PER_PEER +}; + +enum amdgpu_xgmi_bw_unit { + AMDGPU_XGMI_BW_UNIT_GBYTES = 0, + AMDGPU_XGMI_BW_UNIT_MBYTES +}; + extern struct amdgpu_xgmi_ras xgmi_ras; struct amdgpu_hive_info *amdgpu_get_xgmi_hive(struct amdgpu_device *adev); void amdgpu_put_xgmi_hive(struct amdgpu_hive_info *hive); @@ -62,10 +78,10 @@ int amdgpu_xgmi_update_topology(struct amdgpu_hive_info *hive, struct amdgpu_dev int amdgpu_xgmi_add_device(struct amdgpu_device *adev); int amdgpu_xgmi_remove_device(struct amdgpu_device *adev); int amdgpu_xgmi_set_pstate(struct amdgpu_device *adev, int pstate); -int amdgpu_xgmi_get_hops_count(struct amdgpu_device *adev, - struct amdgpu_device *peer_adev); -int amdgpu_xgmi_get_num_links(struct amdgpu_device *adev, - struct amdgpu_device *peer_adev); +int amdgpu_xgmi_get_hops_count(struct amdgpu_device *adev, struct amdgpu_device *peer_adev); +int amdgpu_xgmi_get_bandwidth(struct amdgpu_device *adev, struct amdgpu_device *peer_adev, + enum amdgpu_xgmi_bw_mode bw_mode, enum amdgpu_xgmi_bw_unit bw_unit, + uint32_t *min_bw, uint32_t *max_bw); bool amdgpu_xgmi_get_is_sharing_enabled(struct amdgpu_device *adev, struct amdgpu_device *peer_adev); uint64_t amdgpu_xgmi_get_relative_phy_addr(struct amdgpu_device *adev, |