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Diffstat (limited to 'hw')
-rw-r--r--hw/ppc/spapr_pci.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index 76d7c91e9c..b89f810034 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -53,6 +53,7 @@
#include "sysemu/hostmem.h"
#include "sysemu/numa.h"
#include "hw/ppc/spapr_numa.h"
+#include "qemu/log.h"
/* Copied from the kernel arch/powerpc/platforms/pseries/msi.c */
#define RTAS_QUERY_FN 0
@@ -739,6 +740,12 @@ static PCIINTxRoute spapr_route_intx_pin_to_irq(void *opaque, int pin)
return route;
}
+static uint64_t spapr_msi_read(void *opaque, hwaddr addr, unsigned size)
+{
+ qemu_log_mask(LOG_GUEST_ERROR, "%s: invalid access\n", __func__);
+ return 0;
+}
+
/*
* MSI/MSIX memory region implementation.
* The handler handles both MSI and MSIX.
@@ -756,8 +763,11 @@ static void spapr_msi_write(void *opaque, hwaddr addr,
}
static const MemoryRegionOps spapr_msi_ops = {
- /* There is no .read as the read result is undefined by PCI spec */
- .read = NULL,
+ /*
+ * .read result is undefined by PCI spec.
+ * define .read method to avoid assert failure in memory_region_init_io
+ */
+ .read = spapr_msi_read,
.write = spapr_msi_write,
.endianness = DEVICE_LITTLE_ENDIAN
};