From: Jason Wang <jasowang@redhat.com>
To: qemu-devel@nongnu.org
Cc: Jason Wang <jasowang@redhat.com>,
Anthony Liguori <aliguori@amazon.com>,
"Michael S. Tsirkin" <mst@redhat.com>
Subject: [Qemu-devel] [PATCH V3 08/14] virtio-pci: switch to use bus specific queue limit
Date: Thu, 5 Mar 2015 13:48:45 +0800 [thread overview]
Message-ID: <1425534531-6305-9-git-send-email-jasowang@redhat.com> (raw)
In-Reply-To: <1425534531-6305-1-git-send-email-jasowang@redhat.com>
Instead of depending on a macro, switch to use a bus specific queue
limit.
Cc: Anthony Liguori <aliguori@amazon.com>
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 | 1 -
2 files changed, 7 insertions(+), 6 deletions(-)
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 7fa8141..a261515 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -86,6 +86,8 @@
* 12 is historical, and due to x86 page size. */
#define VIRTIO_PCI_QUEUE_ADDR_SHIFT 12
+#define VIRTIO_PCI_QUEUE_MAX 64
+
static void virtio_pci_bus_new(VirtioBusState *bus, size_t bus_size,
VirtIOPCIProxy *dev);
@@ -215,7 +217,7 @@ 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;
}
@@ -251,7 +253,7 @@ 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;
}
@@ -287,11 +289,11 @@ 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;
@@ -792,7 +794,7 @@ 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 04ad532..9a81edf 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -92,7 +92,6 @@ typedef struct VirtQueueElement
struct iovec out_sg[VIRTQUEUE_MAX_SIZE];
} VirtQueueElement;
-#define VIRTIO_PCI_QUEUE_MAX 64
#define VIRTIO_CCW_QUEUE_MAX 64
#define VIRTIO_NO_VECTOR 0xffff
--
2.1.0
next prev parent reply other threads:[~2015-03-05 5:49 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-03-05 5:48 [Qemu-devel] [PATCH V3 00/14] Support more virtio queues Jason Wang
2015-03-05 5:48 ` [Qemu-devel] [PATCH V3 01/14] virtio-net: validate backend queue numbers against bus limitation Jason Wang
2015-03-05 5:48 ` [Qemu-devel] [PATCH V3 02/14] virtio-net: fix the upper bound when trying to delete queues Jason Wang
2015-03-05 5:48 ` [Qemu-devel] [PATCH V3 03/14] virito: introduce bus specific queue limit Jason Wang
2015-03-05 5:48 ` [Qemu-devel] [PATCH V3 04/14] virtio-ccw: introduce ccw " Jason Wang
2015-03-06 12:13 ` Cornelia Huck
2015-03-09 7:13 ` Jason Wang
2015-03-05 5:48 ` [Qemu-devel] [PATCH V3 05/14] virtio-s390: switch to bus " Jason Wang
2015-03-06 12:18 ` Cornelia Huck
2015-03-09 7:17 ` Jason Wang
2015-03-05 5:48 ` [Qemu-devel] [PATCH V3 06/14] virtio-serial-bus: " Jason Wang
2015-03-06 12:27 ` Cornelia Huck
2015-03-09 7:26 ` Jason Wang
2015-03-05 5:48 ` [Qemu-devel] [PATCH V3 07/14] virtio-mmio: " Jason Wang
2015-03-05 5:48 ` Jason Wang [this message]
2015-03-06 12:28 ` [Qemu-devel] [PATCH V3 08/14] virtio-pci: switch to use " Cornelia Huck
2015-03-09 7:32 ` Jason Wang
2015-03-09 8:04 ` Cornelia Huck
2015-03-09 8:58 ` Jason Wang
2015-03-05 5:48 ` [Qemu-devel] [PATCH V3 09/14] virtio: introduce vector to virtqueues mapping Jason Wang
2015-03-06 12:55 ` Cornelia Huck
2015-03-09 7:41 ` Jason Wang
2015-03-05 5:48 ` [Qemu-devel] [PATCH V3 10/14] virtio: introduce virtio_queue_get_index() Jason Wang
2015-03-05 6:12 ` Fam Zheng
2015-03-06 2:49 ` Jason Wang
2015-03-05 5:48 ` [Qemu-devel] [PATCH V3 11/14] virtio-pci: speedup MSI-X masking and unmasking Jason Wang
2015-03-05 5:48 ` [Qemu-devel] [PATCH V3 12/14] virtio-pci: increase the maximum number of virtqueues to 513 Jason Wang
2015-03-05 5:48 ` [Qemu-devel] [PATCH V3 13/14] pci: remove hard-coded bar size in msix_init_exclusive_bar() Jason Wang
2015-03-05 5:48 ` [Qemu-devel] [PATCH V3 14/14] virtio-pci: introduce auto_msix_bar_size property Jason Wang
2015-03-12 9:28 ` [Qemu-devel] [PATCH V3 00/14] Support more virtio queues Michael S. Tsirkin
2015-03-12 9:33 ` Jason Wang
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1425534531-6305-9-git-send-email-jasowang@redhat.com \
--to=jasowang@redhat.com \
--cc=aliguori@amazon.com \
--cc=mst@redhat.com \
--cc=qemu-devel@nongnu.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).