From: Jason Wang <jasowang@redhat.com>
To: qemu-devel@nongnu.org
Cc: mst@redhat.com, Jason Wang <jasowang@redhat.com>,
Alexander Graf <agraf@suse.de>,
Christian Borntraeger <borntraeger@de.ibm.com>,
Cornelia Huck <cornelia.huck@de.ibm.com>,
Richard Henderson <rth@twiddle.net>
Subject: [Qemu-devel] [PATCH V2 04/11] virtio-ccw: introduce ccw specific queue limit
Date: Thu, 26 Feb 2015 15:04:39 +0800 [thread overview]
Message-ID: <1424934286-7099-5-git-send-email-jasowang@redhat.com> (raw)
In-Reply-To: <1424934286-7099-1-git-send-email-jasowang@redhat.com>
Instead of depending on marco, using a bus specific limit.
Cc: Alexander Graf <agraf@suse.de>
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
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
next prev parent reply other threads:[~2015-02-26 7:05 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-26 7:04 [Qemu-devel] [PATCH V2 00/11] Support more virtio queues Jason Wang
2015-02-26 7:04 ` [Qemu-devel] [PATCH V2 01/11] virtio-net: validate backend queue numbers against bus limitation Jason Wang
2015-02-26 7:04 ` [Qemu-devel] [PATCH V2 02/11] virtio-net: fix the upper bound when trying to delete queues Jason Wang
2015-02-26 7:04 ` [Qemu-devel] [PATCH V2 03/11] virito: introduce bus specific queue limit Jason Wang
2015-02-26 10:19 ` Michael S. Tsirkin
2015-02-27 3:04 ` Jason Wang
2015-02-26 12:57 ` Cornelia Huck
2015-02-27 3:34 ` Jason Wang
2015-02-27 9:34 ` Cornelia Huck
2015-02-28 3:17 ` Jason Wang
2015-02-26 7:04 ` Jason Wang [this message]
2015-02-26 13:02 ` [Qemu-devel] [PATCH V2 04/11] virtio-ccw: introduce ccw " Cornelia Huck
2015-02-27 3:38 ` Jason Wang
2015-02-27 9:41 ` Cornelia Huck
2015-02-28 3:30 ` Jason Wang
2015-02-26 7:04 ` [Qemu-devel] [PATCH V2 05/11] virtio-serial-bus: switch to bus " Jason Wang
2015-02-26 7:04 ` [Qemu-devel] [PATCH V2 06/11] virtio-s390: " Jason Wang
2015-02-26 13:05 ` Cornelia Huck
2015-02-27 6:34 ` Jason Wang
2015-02-27 9:49 ` Cornelia Huck
2015-02-28 3:31 ` Jason Wang
2015-03-02 8:51 ` Cornelia Huck
2015-02-26 7:04 ` [Qemu-devel] [PATCH V2 07/11] virtio-mmio: " Jason Wang
2015-02-26 7:04 ` [Qemu-devel] [PATCH V2 08/11] virtio-pci: switch to use " Jason Wang
2015-02-26 10:20 ` Michael S. Tsirkin
2015-02-27 3:18 ` Jason Wang
2015-02-26 7:04 ` [Qemu-devel] [PATCH V2 09/11] virtio-pci: increase the maximum number of virtqueues to 513 Jason Wang
2015-02-26 7:04 ` [Qemu-devel] [PATCH V2 10/11] pci: remove hard-coded bar size in msix_init_exclusive_bar() Jason Wang
2015-02-26 7:04 ` [Qemu-devel] [PATCH V2 11/11] virtio-pci: introduce auto_msix_bar_size property Jason Wang
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