| .. _OPAL_NPU_SET_RELAXED_ORDER: |
| |
| OPAL_NPU_SET_RELAXED_ORDER |
| ========================== |
| |
| Request that relaxed memory ordering be enabled or disabled for a device. |
| |
| Parameters |
| ---------- |
| :: |
| |
| uint64_t phb_id |
| uint16_t bdfn |
| bool request_enabled |
| |
| ``phb_id`` |
| OPAL ID of the PHB |
| |
| ``bdfn`` |
| Bus-Device-Function number of the device |
| |
| ``request_enabled`` |
| Requested state of relaxed memory ordering enablement |
| |
| Return values |
| ------------- |
| |
| ``OPAL_SUCCESS`` |
| Requested state set |
| |
| ``OPAL_PARAMETER`` |
| The given phb_id or bdfn is invalid or out of range |
| |
| ``OPAL_CONSTRAINED`` |
| Relaxed ordering can not be enabled until an enable request is made |
| for every device on this PHB. |
| |
| ``OPAL_RESOURCE`` |
| No more relaxed ordering sources are available |
| |
| .. _OPAL_NPU_GET_RELAXED_ORDER: |
| |
| OPAL_NPU_GET_RELAXED_ORDER |
| ========================== |
| |
| Query the relaxed memory ordering state of a device. |
| |
| Parameters |
| ---------- |
| :: |
| |
| uint64_t phb_id |
| uint64_t bdfn |
| |
| ``phb_id`` |
| OPAL ID of the PHB |
| |
| ``bdfn`` |
| Bus-Device-Function number of the device |
| |
| Return values |
| ------------- |
| |
| On success, the current relaxed ordering state is returned. |
| |
| ``OPAL_PARAMETER`` |
| The given phb_id or bdfn is invalid. |
