diff options
| author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2017-11-21 20:32:23 +1100 |
|---|---|---|
| committer | Stewart Smith <stewart@linux.vnet.ibm.com> | 2017-11-28 20:39:07 -0600 |
| commit | d7e26801905f40d807ce60bc99ed511e91549f1e (patch) | |
| tree | 856716595f019ad0312f2902973324193f960212 /doc | |
| parent | 9ce34f369ce2412cb68052717e457d1e78eedb75 (diff) | |
| download | skiboot-d7e26801905f40d807ce60bc99ed511e91549f1e.zip skiboot-d7e26801905f40d807ce60bc99ed511e91549f1e.tar.gz skiboot-d7e26801905f40d807ce60bc99ed511e91549f1e.tar.bz2 | |
xive: When disabling an EQ, wipe all of its settings
This avoids having configuration bits left over
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/xive.rst | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/doc/xive.rst b/doc/xive.rst index c4f4950..85fe111 100644 --- a/doc/xive.rst +++ b/doc/xive.rst @@ -565,14 +565,18 @@ and priority and adjust the behaviour of the queue via flags. .. note:: This call will reset the generation bit to 1 and the queue production pointer to 0. - .. note:: The PQ bits of the escalation interrupts will be set to 00 - when OPAL_XIVE_EQ_ENABLED is set, and to 01 (masked) when - disabling it. + .. note:: The PQ bits of the escalation interrupts and of the queue + notification will be set to 00 when OPAL_XIVE_EQ_ENABLED is + set, and to 01 (masked) when disabling it. .. note:: This must be called at least once on a queue with the flag OPAL_XIVE_EQ_ENABLED in order to enable it after it has been allocated (along with its owner VP). + .. note:: When the queue is disabled (flag OPAL_XIVE_EQ_ENABLED cleared) + all other flags and arguments are ignored and the queue + configuration is wiped. + OPAL_XIVE_DONATE_PAGE ^^^^^^^^^^^^^^^^^^^^^ .. code-block:: c |