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Diffstat (limited to 'roms/skiboot/doc/opal-api/opal-sync-host-reboot-87.rst')
| -rw-r--r-- | roms/skiboot/doc/opal-api/opal-sync-host-reboot-87.rst | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/roms/skiboot/doc/opal-api/opal-sync-host-reboot-87.rst b/roms/skiboot/doc/opal-api/opal-sync-host-reboot-87.rst new file mode 100644 index 000000000..bc5605d31 --- /dev/null +++ b/roms/skiboot/doc/opal-api/opal-sync-host-reboot-87.rst @@ -0,0 +1,25 @@ +.. _OPAL_SYNC_HOST_REBOOT: + +OPAL_SYNC_HOST_REBOOT +===================== + +.. code-block:: c + + #define OPAL_SYNC_HOST_REBOOT 87 + + static int64_t opal_sync_host_reboot(void); + +This OPAL call halts asynchronous operations in preparation for something +like kexec. It will halt DMA as well notification of some events (such +as a new error log being available for retreival). + +It's meant to be called in a loop until :ref:`OPAL_SUCCESS` is returned. + +Returns +------- +:ref:`OPAL_SUCCESS` + Success! +:ref:`OPAL_BUSY_EVENT` + not yet complete, call opal_sync_host_reboot() again, possibly with a short delay. +:ref:`OPAL_BUSY` + Call opal_poll_events() and then retry opal_sync_host_reboot |