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[Qemu-devel] [PATCH V2 04/11] virtio-ccw: introduce ccw specific queue l
From: |
Jason Wang |
Subject: |
[Qemu-devel] [PATCH V2 04/11] virtio-ccw: introduce ccw specific queue limit |
Date: |
Thu, 26 Feb 2015 15:04:39 +0800 |
Instead of depending on marco, using a bus specific limit.
Cc: Alexander Graf <address@hidden>
Cc: Cornelia Huck <address@hidden>
Cc: Christian Borntraeger <address@hidden>
Cc: Richard Henderson <address@hidden>
Signed-off-by: Jason Wang <address@hidden>
---
hw/s390x/s390-virtio-ccw.c | 7 +++++--
hw/s390x/virtio-ccw.c | 13 +++++++------
include/hw/virtio/virtio.h | 1 +
3 files changed, 13 insertions(+), 8 deletions(-)
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 71bafe0..6aeb815 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -43,6 +43,7 @@ void io_subsystem_reset(void)
static int virtio_ccw_hcall_notify(const uint64_t *args)
{
+ VirtIODevice *vdev;
uint64_t subch_id = args[0];
uint64_t queue = args[1];
SubchDev *sch;
@@ -55,10 +56,12 @@ static int virtio_ccw_hcall_notify(const uint64_t *args)
if (!sch || !css_subch_visible(sch)) {
return -EINVAL;
}
- if (queue >= VIRTIO_PCI_QUEUE_MAX) {
+
+ vdev = virtio_ccw_get_vdev(sch);
+ if (queue >= virtio_get_queue_max(vdev)) {
return -EINVAL;
}
- virtio_queue_notify(virtio_ccw_get_vdev(sch), queue);
+ virtio_queue_notify(vdev, queue);
return 0;
}
diff --git a/hw/s390x/virtio-ccw.c b/hw/s390x/virtio-ccw.c
index 4874622..98a1a90 100644
--- a/hw/s390x/virtio-ccw.c
+++ b/hw/s390x/virtio-ccw.c
@@ -170,7 +170,7 @@ static void virtio_ccw_start_ioeventfd(VirtioCcwDevice *dev)
return;
}
vdev = virtio_bus_get_device(&dev->bus);
- for (n = 0; n < VIRTIO_PCI_QUEUE_MAX; n++) {
+ for (n = 0; n < virtio_get_queue_max(vdev); n++) {
if (!virtio_queue_get_num(vdev, n)) {
continue;
}
@@ -205,7 +205,7 @@ static void virtio_ccw_stop_ioeventfd(VirtioCcwDevice *dev)
return;
}
vdev = virtio_bus_get_device(&dev->bus);
- for (n = 0; n < VIRTIO_PCI_QUEUE_MAX; n++) {
+ for (n = 0; n < virtio_get_queue_max(vdev); n++) {
if (!virtio_queue_get_num(vdev, n)) {
continue;
}
@@ -265,8 +265,9 @@ static int virtio_ccw_set_vqs(SubchDev *sch, uint64_t addr,
uint32_t align,
uint16_t index, uint16_t num)
{
VirtIODevice *vdev = virtio_ccw_get_vdev(sch);
+ int queue_max = virtio_get_queue_max(vdev);
- if (index > VIRTIO_PCI_QUEUE_MAX) {
+ if (index > queue_max) {
return -EINVAL;
}
@@ -291,7 +292,7 @@ static int virtio_ccw_set_vqs(SubchDev *sch, uint64_t addr,
uint32_t align,
virtio_queue_set_vector(vdev, index, index);
}
/* tell notify handler in case of config change */
- vdev->config_vector = VIRTIO_PCI_QUEUE_MAX;
+ vdev->config_vector = queue_max;
return 0;
}
@@ -1026,7 +1027,7 @@ static void virtio_ccw_notify(DeviceState *d, uint16_t
vector)
return;
}
- if (vector < VIRTIO_PCI_QUEUE_MAX) {
+ if (vector < virtio_get_queue_max(virtio_bus_get_device(&dev->bus))) {
if (!dev->indicators) {
return;
}
@@ -1695,7 +1696,7 @@ static void virtio_ccw_bus_class_init(ObjectClass *klass,
void *data)
k->load_queue = virtio_ccw_load_queue;
k->save_config = virtio_ccw_save_config;
k->load_config = virtio_ccw_load_config;
- k->queue_max = VIRTIO_PCI_QUEUE_MAX;
+ k->queue_max = VIRTIO_CCW_QUEUE_MAX;
}
static const TypeInfo virtio_ccw_bus_info = {
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 9fe0d92..04ad532 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -93,6 +93,7 @@ typedef struct VirtQueueElement
} VirtQueueElement;
#define VIRTIO_PCI_QUEUE_MAX 64
+#define VIRTIO_CCW_QUEUE_MAX 64
#define VIRTIO_NO_VECTOR 0xffff
--
1.9.1
- [Qemu-devel] [PATCH V2 02/11] virtio-net: fix the upper bound when trying to delete queues, (continued)
[Qemu-devel] [PATCH V2 05/11] virtio-serial-bus: switch to bus specific queue limit, Jason Wang, 2015/02/26
[Qemu-devel] [PATCH V2 04/11] virtio-ccw: introduce ccw specific queue limit,
Jason Wang <=
[Qemu-devel] [PATCH V2 07/11] virtio-mmio: switch to bus specific queue limit, Jason Wang, 2015/02/26
[Qemu-devel] [PATCH V2 06/11] virtio-s390: switch to bus specific queue limit, Jason Wang, 2015/02/26