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arm-devs queue
-----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABCAAGBQJSCL/GAAoJEDwlJe0UNgzeTi8P/1nnRgEJhfz3lO24+WcyJuU9 cFZzvl0+uQ0MSxOyOK/iXX1I3iwYu5EwEUj2DCaooQq9qT8Voi5zvpneI04caGRs FHLNlu5WfcbqKLGo2TtGCol8Viuybk8nO2c18d/BPz5gqbzm0+Q1EMHHTHG16z95 CSD4lgXjVVpq1/t1F7mYU3W4Lsn/bH1lfAsnH7I2UGA2iR55J7iVEG0DmS4D70IE dL4x8clCRyaIozFvJZFjKb1pfEYe60TLsXdq4c6uSL9yHyMDA3QDWVgIMom07kiK GzC9m8IBrT3YKgdSCf/tqXSWeXDmvayQhSNY/x2HUukTFcF5rqvCjFqKcpwR4q5X y0XSfcRvLGwN9gZgXoUc355GFEAe2Sxjfxq44WgMh8lt6K0NWPsNZ3+pflALkP2d /h8DHRp2gyUZVxGttSD56QK613+BQoXQV+rGw54kN7TC5auQJag5F/c2k6riWjFH NYj1ZUf+BsEbJCxG/5phwOPlJ6gTqxDqe+RGlKyViMfjiSsdLClXtKy7S+L7rqU3 1c7as4yChM7z4kyXsB3FKNg8MU1/7E9Pax1nC6y7EkgidT3PnGjfAL1vZlyRM/Gj Liad+NH3ZdSEuF0gHe2eoFohCtQbgRsYdOVQ4O15UMkyae5fAqxKTq/gssMGqYg4 +NUfWCTEUobpMpvRbCjy =oxPI -----END PGP SIGNATURE----- Merge remote-tracking branch 'pmaydell/tags/pull-arm-devs-20130812' into staging arm-devs queue # gpg: Signature made Mon 12 Aug 2013 05:58:14 AM CDT using RSA key ID 14360CDE # gpg: Can't check signature: public key not found # By Peter Maydell # Via Peter Maydell * pmaydell/tags/pull-arm-devs-20130812: hw/virtio/virtio-mmio: Make QueueNumMax read 0 for unavailable queues hw/virtio/virtio: Don't allow guests to add/remove queues Message-id: 1376305261-29561-1-git-send-email-peter.maydell@linaro.org Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
This commit is contained in:
commit
6624fecd8e
@ -151,6 +151,9 @@ static uint64_t virtio_mmio_read(void *opaque, hwaddr offset, unsigned size)
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}
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return proxy->host_features;
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case VIRTIO_MMIO_QUEUENUMMAX:
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if (!virtio_queue_get_num(vdev, vdev->queue_sel)) {
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return 0;
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}
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return VIRTQUEUE_MAX_SIZE;
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case VIRTIO_MMIO_QUEUEPFN:
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return virtio_queue_get_addr(vdev, vdev->queue_sel)
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@ -673,10 +673,16 @@ hwaddr virtio_queue_get_addr(VirtIODevice *vdev, int n)
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void virtio_queue_set_num(VirtIODevice *vdev, int n, int num)
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{
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if (num <= VIRTQUEUE_MAX_SIZE) {
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vdev->vq[n].vring.num = num;
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virtqueue_init(&vdev->vq[n]);
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/* Don't allow guest to flip queue between existent and
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* nonexistent states, or to set it to an invalid size.
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*/
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if (!!num != !!vdev->vq[n].vring.num ||
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num > VIRTQUEUE_MAX_SIZE ||
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num < 0) {
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return;
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}
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vdev->vq[n].vring.num = num;
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virtqueue_init(&vdev->vq[n]);
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}
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int virtio_queue_get_num(VirtIODevice *vdev, int n)
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