The address of the MMIO page through which the Event State Buffer is
controlled is returned to the guest by the H_INT_GET_SOURCE_INFO hcall.
Signed-off-by: Cédric Le Goater <c...@kaod.org>
---
hw/intc/xive.c | 3 +++
include/hw/ppc/xive.h | 1 +
2 files changed, 4 insertions(+)
diff --git a/hw/intc/xive.c b/hw/intc/xive.c
index a1cb87a07b76..0db97fd33981 100644
--- a/hw/intc/xive.c
+++ b/hw/intc/xive.c
@@ -344,6 +344,9 @@ static void xive_ics_realize(ICSState *ics, Error **errp)
ICS_BASE(xs)->offset * (1 << xs->esb_shift),
&xs->esb_iomem);
+ /* Record base address which is needed by the hcalls */
+ xs->esb_base = x->vc_base + ICS_BASE(xs)->offset * (1 << xs->esb_shift);
+
qemu_register_reset(xive_ics_reset, xs);
}
diff --git a/include/hw/ppc/xive.h b/include/hw/ppc/xive.h
index 1178300c9df3..b06bc861b845 100644
--- a/include/hw/ppc/xive.h
+++ b/include/hw/ppc/xive.h
@@ -43,6 +43,7 @@ struct XiveICSState {
uint64_t flags;
uint32_t esb_shift;
+ hwaddr esb_base;
MemoryRegion esb_iomem;
XIVE *xive;
--
2.7.5
