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From: Jason Wang <jasowang@redhat.com>
To: qemu-devel@nongnu.org
Cc: cornelia.huck@de.ibm.com, Jason Wang <jasowang@redhat.com>,
	mst@redhat.com
Subject: [Qemu-devel] [PATCH V4 13/19] virtio-pci: switch to use bus specific queue limit
Date: Wed, 18 Mar 2015 17:35:03 +0800	[thread overview]
Message-ID: <1426671309-13645-14-git-send-email-jasowang@redhat.com> (raw)
In-Reply-To: <1426671309-13645-1-git-send-email-jasowang@redhat.com>

Instead of depending on a macro, switch to use a bus specific queue
limit.

Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
---
 hw/virtio/virtio-pci.c     | 12 +++++++-----
 include/hw/virtio/virtio.h |  2 --
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 075b13b..e556919 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -42,6 +42,8 @@
  * configuration space */
 #define VIRTIO_PCI_CONFIG_SIZE(dev)     VIRTIO_PCI_CONFIG_OFF(msix_enabled(dev))
 
+#define VIRTIO_PCI_QUEUE_MAX 64
+
 static void virtio_pci_bus_new(VirtioBusState *bus, size_t bus_size,
                                VirtIOPCIProxy *dev);
 
@@ -171,7 +173,7 @@ static void virtio_pci_start_ioeventfd(VirtIOPCIProxy *proxy)
         return;
     }
 
-    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;
         }
@@ -207,7 +209,7 @@ static void virtio_pci_stop_ioeventfd(VirtIOPCIProxy *proxy)
         return;
     }
 
-    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;
         }
@@ -243,11 +245,11 @@ static void virtio_ioport_write(void *opaque, uint32_t addr, uint32_t val)
             virtio_queue_set_addr(vdev, vdev->queue_sel, pa);
         break;
     case VIRTIO_PCI_QUEUE_SEL:
-        if (val < VIRTIO_PCI_QUEUE_MAX)
+        if (val < virtio_get_queue_max(vdev))
             vdev->queue_sel = val;
         break;
     case VIRTIO_PCI_QUEUE_NOTIFY:
-        if (val < VIRTIO_PCI_QUEUE_MAX) {
+        if (val < virtio_get_queue_max(vdev)) {
             virtio_queue_notify(vdev, val);
         }
         break;
@@ -748,7 +750,7 @@ static int virtio_pci_set_guest_notifiers(DeviceState *d, int nvqs, bool assign)
     bool with_irqfd = msix_enabled(&proxy->pci_dev) &&
         kvm_msi_via_irqfd_enabled();
 
-    nvqs = MIN(nvqs, VIRTIO_PCI_QUEUE_MAX);
+    nvqs = MIN(nvqs, virtio_get_queue_max(vdev));
 
     /* When deassigning, pass a consistent nvqs value
      * to avoid leaking notifiers.
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index 91fd673..7ff40ac 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -48,8 +48,6 @@ typedef struct VirtQueueElement
     struct iovec out_sg[VIRTQUEUE_MAX_SIZE];
 } VirtQueueElement;
 
-#define VIRTIO_PCI_QUEUE_MAX 64
-
 #define VIRTIO_NO_VECTOR 0xffff
 
 #define TYPE_VIRTIO_DEVICE "virtio-device"
-- 
2.1.0

  parent reply	other threads:[~2015-03-18  9:35 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-18  9:34 [Qemu-devel] [PATCH V4 00/19] Support more virtio queues Jason Wang
2015-03-18  9:34 ` [Qemu-devel] [PATCH V4 01/19] pc: add 2.4 machine types Jason Wang
2015-03-18  9:34 ` [Qemu-devel] [PATCH V4 02/19] spapr: add machine type specific instance init function Jason Wang
2015-03-18  9:34 ` [Qemu-devel] [PATCH V4 03/19] ppc: spapr: add 2.4 machine type Jason Wang
2015-03-18  9:34 ` [Qemu-devel] [PATCH V4 04/19] monitor: replace the magic number 255 with MAX_QUEUE_NUM Jason Wang
2015-03-18  9:34 ` [Qemu-devel] [PATCH V4 05/19] monitor: check return value of qemu_find_net_clients_except() Jason Wang
2015-03-18  9:34 ` [Qemu-devel] [PATCH V4 06/19] virtio-ccw: using VIRTIO_NO_VECTOR instead of 0 for invalid virtqueue Jason Wang
2015-03-18 13:08   ` Michael S. Tsirkin
2015-03-20  7:39     ` Cornelia Huck
2015-03-21 18:27       ` Michael S. Tsirkin
2015-03-23  9:02         ` Cornelia Huck
2015-03-18  9:34 ` [Qemu-devel] [PATCH V4 07/19] virtio-net: validate backend queue numbers against bus limitation Jason Wang
2015-03-18 13:05   ` Michael S. Tsirkin
2015-03-19  5:26     ` Jason Wang
2015-03-18  9:34 ` [Qemu-devel] [PATCH V4 08/19] virtio-net: fix the upper bound when trying to delete queues Jason Wang
2015-03-18 13:06   ` Michael S. Tsirkin
2015-03-19  5:28     ` Jason Wang
2015-03-18  9:34 ` [Qemu-devel] [PATCH V4 09/19] virito: introduce bus specific queue limit Jason Wang
2015-03-20 10:20   ` Cornelia Huck
2015-03-31  2:34     ` Jason Wang
2015-03-18  9:35 ` [Qemu-devel] [PATCH V4 10/19] virtio-ccw: introduce ccw " Jason Wang
2015-03-20 11:33   ` Cornelia Huck
2015-03-31  2:36     ` Jason Wang
2015-03-18  9:35 ` [Qemu-devel] [PATCH V4 11/19] virtio-s390: switch to bus " Jason Wang
2015-03-20 11:34   ` Cornelia Huck
2015-03-18  9:35 ` [Qemu-devel] [PATCH V4 12/19] virtio-mmio: " Jason Wang
2015-03-18  9:35 ` Jason Wang [this message]
2015-03-18  9:35 ` [Qemu-devel] [PATCH V4 14/19] virtio: introduce vector to virtqueues mapping Jason Wang
2015-03-20 11:39   ` Cornelia Huck
2015-03-31  2:37     ` Jason Wang
2015-03-18  9:35 ` [Qemu-devel] [PATCH V4 15/19] virtio: introduce virtio_queue_get_index() Jason Wang
2015-03-18  9:35 ` [Qemu-devel] [PATCH V4 16/19] virtio-pci: speedup MSI-X masking and unmasking Jason Wang
2015-03-18  9:35 ` [Qemu-devel] [PATCH V4 17/19] virtio-pci: increase the maximum number of virtqueues to 513 Jason Wang
2015-03-18  9:35 ` [Qemu-devel] [PATCH V4 18/19] pci: remove hard-coded bar size in msix_init_exclusive_bar() Jason Wang
2015-03-18 12:52   ` Michael S. Tsirkin
2015-03-19  5:19     ` Jason Wang
2015-03-19 10:09       ` Michael S. Tsirkin
2015-03-20  5:43         ` Jason Wang
2015-03-18  9:35 ` [Qemu-devel] [PATCH V4 19/19] virtio-pci: introduce auto_msix_bar_size property Jason Wang
2015-03-18 12:57   ` Michael S. Tsirkin
2015-03-19  5:23     ` Jason Wang
2015-03-19 10:01       ` Michael S. Tsirkin
2015-03-20  5:35         ` Jason Wang
2015-03-19  5:23     ` Jason Wang
2015-03-19 10:02       ` Michael S. Tsirkin
2015-03-20  5:38         ` Jason Wang
2015-03-18 12:58 ` [Qemu-devel] [PATCH V4 00/19] Support more virtio queues Michael S. Tsirkin
2015-03-19  5:24   ` Jason Wang
2015-03-19  7:32     ` Michael S. Tsirkin
2015-03-19  7:42       ` Jason Wang
2015-03-19  9:23         ` Michael S. Tsirkin
2015-03-20  5:11           ` Jason Wang

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