[Qemu-devel] [PATCH V2 06/11] virtio-s390: switch to bus specific queue limit

[Jason Wang]

Instead of depending on marco, switch to use a bus specific queue
limit. Left is AdapterRouters->gsi[], this could be done in the future
if we want to increase s390's queue limit really.

Cc: Alexander Graf <ag...@suse.de>
Cc: Richard Henderson <r...@twiddle.net>
Cc: Christian Borntraeger <borntrae...@de.ibm.com>
Cc: Cornelia Huck <cornelia.h...@de.ibm.com>
Signed-off-by: Jason Wang <jasow...@redhat.com>
---
 hw/s390x/s390-virtio-bus.c   | 6 +++---
 include/hw/s390x/s390_flic.h | 2 +-
 include/hw/virtio/virtio.h   | 1 +
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/hw/s390x/s390-virtio-bus.c b/hw/s390x/s390-virtio-bus.c
index d48590a..4e2bbbc 100644
--- a/hw/s390x/s390-virtio-bus.c
+++ b/hw/s390x/s390-virtio-bus.c
@@ -331,7 +331,7 @@ static ram_addr_t 
s390_virtio_device_num_vq(VirtIOS390Device *dev)
     VirtIODevice *vdev = dev->vdev;
     int num_vq;
 
-    for (num_vq = 0; num_vq < VIRTIO_PCI_QUEUE_MAX; num_vq++) {
+    for (num_vq = 0; num_vq < virtio_get_queue_max(vdev); num_vq++) {
         if (!virtio_queue_get_num(vdev, num_vq)) {
             break;
         }
@@ -438,7 +438,7 @@ VirtIOS390Device *s390_virtio_bus_find_vring(VirtIOS390Bus 
*bus,
     QTAILQ_FOREACH(kid, &bus->bus.children, sibling) {
         VirtIOS390Device *dev = (VirtIOS390Device *)kid->child;
 
-        for(i = 0; i < VIRTIO_PCI_QUEUE_MAX; i++) {
+        for(i = 0; i < virtio_get_queue_max(dev->vdev); i++) {
             if (!virtio_queue_get_addr(dev->vdev, i))
                 break;
             if (virtio_queue_get_addr(dev->vdev, i) == mem) {
@@ -707,7 +707,7 @@ static void virtio_s390_bus_class_init(ObjectClass *klass, 
void *data)
     bus_class->max_dev = 1;
     k->notify = virtio_s390_notify;
     k->get_features = virtio_s390_get_features;
-    k->queue_max = VIRTIO_PCI_QUEUE_MAX;
+    k->queue_max = VIRTIO_S390_QUEUE_MAX;
 }
 
 static const TypeInfo virtio_s390_bus_info = {
diff --git a/include/hw/s390x/s390_flic.h b/include/hw/s390x/s390_flic.h
index 489d73b..7a3ada2 100644
--- a/include/hw/s390x/s390_flic.h
+++ b/include/hw/s390x/s390_flic.h
@@ -20,7 +20,7 @@
 typedef struct AdapterRoutes {
     AdapterInfo adapter;
     int num_routes;
-    int gsi[VIRTIO_PCI_QUEUE_MAX];
+    int gsi[VIRTIO_S390_QUEUE_MAX];
 } AdapterRoutes;
 
 #define TYPE_S390_FLIC_COMMON "s390-flic"
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 04ad532..8f4da77 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -94,6 +94,7 @@ typedef struct VirtQueueElement
 
 #define VIRTIO_PCI_QUEUE_MAX 64
 #define VIRTIO_CCW_QUEUE_MAX 64
+#define VIRTIO_S390_QUEUE_MAX 64
 
 #define VIRTIO_NO_VECTOR 0xffff
 
-- 
1.9.1