diff options
| author | Frederic Barrat <fbarrat@linux.ibm.com> | 2023-07-03 10:12:14 +0200 |
|---|---|---|
| committer | Daniel Henrique Barboza <danielhb413@gmail.com> | 2023-07-07 04:46:12 -0300 |
| commit | a8da2e1424c2f716222582a4706117d2ca845fe1 (patch) | |
| tree | 2483dca5829b7663e75bfd0447470ccc20a2b29f /hw/intc | |
| parent | 694d3cb2ef2d7355ddaf413614f325f17da9716b (diff) | |
pnv/xive: Add property on xive sources to define PQ state on reset
The PQ state of a xive interrupt is always initialized to Q=1, which
means the interrupt is disabled. Since a xive source can be embedded
in many objects, this patch adds a property to allow that behavior to
be refined if needed.
Signed-off-by: Frederic Barrat <fbarrat@linux.ibm.com>
Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230703081215.55252-2-fbarrat@linux.ibm.com>
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Diffstat (limited to 'hw/intc')
| -rw-r--r-- | hw/intc/xive.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/hw/intc/xive.c b/hw/intc/xive.c index 84c079b034..f60c878345 100644 --- a/hw/intc/xive.c +++ b/hw/intc/xive.c @@ -1232,8 +1232,7 @@ static void xive_source_reset(void *dev) /* Do not clear the LSI bitmap */ - /* PQs are initialized to 0b01 (Q=1) which corresponds to "ints off" */ - memset(xsrc->status, XIVE_ESB_OFF, xsrc->nr_irqs); + memset(xsrc->status, xsrc->reset_pq, xsrc->nr_irqs); } static void xive_source_realize(DeviceState *dev, Error **errp) @@ -1287,6 +1286,11 @@ static Property xive_source_properties[] = { DEFINE_PROP_UINT64("flags", XiveSource, esb_flags, 0), DEFINE_PROP_UINT32("nr-irqs", XiveSource, nr_irqs, 0), DEFINE_PROP_UINT32("shift", XiveSource, esb_shift, XIVE_ESB_64K_2PAGE), + /* + * By default, PQs are initialized to 0b01 (Q=1) which corresponds + * to "ints off" + */ + DEFINE_PROP_UINT8("reset-pq", XiveSource, reset_pq, XIVE_ESB_OFF), DEFINE_PROP_LINK("xive", XiveSource, xive, TYPE_XIVE_NOTIFIER, XiveNotifier *), DEFINE_PROP_END_OF_LIST(), |