spapr/xive: Add source status helpers

and use them to set and test the ASSERTED bit of LSI sources.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Message-Id: <20211004212141.432954-1-clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>

1 files changed, 24 insertions, 0 deletions

diff --git a/include/hw/ppc/xive.h b/include/hw/ppc/xive.h
index 252c58a1d6..b8ab0bf749 100644
--- a/include/hw/ppc/xive.h
+++ b/include/hw/ppc/xive.h
@@ -286,6 +286,30 @@ uint8_t xive_esb_set(uint8_t *pq, uint8_t value);
 uint8_t xive_source_esb_get(XiveSource *xsrc, uint32_t srcno);
 uint8_t xive_source_esb_set(XiveSource *xsrc, uint32_t srcno, uint8_t pq);
 
+/*
+ * Source status helpers
+ */
+static inline void xive_source_set_status(XiveSource *xsrc, uint32_t srcno,
+                                          uint8_t status, bool enable)
+{
+    if (enable) {
+        xsrc->status[srcno] |= status;
+    } else {
+        xsrc->status[srcno] &= ~status;
+    }
+}
+
+static inline void xive_source_set_asserted(XiveSource *xsrc, uint32_t srcno,
+                                            bool enable)
+{
+    xive_source_set_status(xsrc, srcno, XIVE_STATUS_ASSERTED, enable);
+}
+
+static inline bool xive_source_is_asserted(XiveSource *xsrc, uint32_t srcno)
+{
+    return xsrc->status[srcno] & XIVE_STATUS_ASSERTED;
+}
+
 void xive_source_pic_print_info(XiveSource *xsrc, uint32_t offset,
                                 Monitor *mon);