xive: Ensure VC informational FIRs are masked

Some HostBoot versions leave those as checkstop, they are harmless
and can sometimes occur during normal operations.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Tested-by: Oliver O'Halloran <oohall@gmail.com>
Signed-off-by: Stewart Smith <stewart@linux.vnet.ibm.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/hw/xive.c b/hw/xive.c
index 5e222897..dff94ab8 100644
--- a/hw/xive.c
+++ b/hw/xive.c
@@ -1770,6 +1770,11 @@ static bool xive_config_init(struct xive *x)
 	val |= VC_EQC_CONF_ENABLE_END_u_BIT;
 	xive_regw(x, VC_EQC_CONFIG, val);
 
+	/* Disable error reporting in the FIR for info errors
+	 * from the VC.
+	 */
+	xive_regw(x, CQ_FIRMASK_OR, 3ull);
+
 	return true;
 }