C++ (Cpp) virtqueue_intr示例

示例#1

文件： virtio_pci.c 项目： coyizumi/cs111

static void
vtpci_vq_intr(void *xvq)
{
    struct virtqueue *vq;

    vq = xvq;
    virtqueue_intr(vq);
}

示例#2

static int
vtpci_vq_intr(void *xvq)
{
	struct virtqueue *vq;
	int rc;

	vq = xvq;
	rc = virtqueue_intr(vq);

	return (rc ? FILTER_HANDLED : FILTER_STRAY);
}

示例#3

文件： virtio_pci.c 项目： 2asoft/freebsd

static void
vtpci_vq_shared_intr(void *xsc)
{
	struct vtpci_softc *sc;
	struct vtpci_virtqueue *vqx;
	int i;

	sc = xsc;
	vqx = &sc->vtpci_vqs[0];

	for (i = 0; i < sc->vtpci_nvqs; i++, vqx++) {
		if (vqx->vtv_no_intr == 0)
			virtqueue_intr(vqx->vtv_vq);
	}
}

示例#4

static int
vtpci_vq_shared_intr(void *xsc)
{
	struct vtpci_softc *sc;
	struct vtpci_virtqueue *vqx;
	int i, rc;

	rc = 0;
	sc = xsc;
	vqx = &sc->vtpci_vqx[0];

	for (i = 0; i < sc->vtpci_nvqs; i++, vqx++)
		rc |= virtqueue_intr(vqx->vq);

	return (rc ? FILTER_HANDLED : FILTER_STRAY);
}

示例#5

static int
vtpci_legacy_intr(void *xsc)
{
	struct vtpci_softc *sc;
	struct vtpci_virtqueue *vqx;
	int i;
	uint8_t isr;

	sc = xsc;
	vqx = &sc->vtpci_vqx[0];

	/* Reading the ISR also clears it. */
	isr = vtpci_read_config_1(sc, VIRTIO_PCI_ISR);

	if (isr & VIRTIO_PCI_ISR_CONFIG)
		vtpci_config_intr(sc);

	if (isr & VIRTIO_PCI_ISR_INTR)
		for (i = 0; i < sc->vtpci_nvqs; i++, vqx++)
			virtqueue_intr(vqx->vq);

	return (isr ? FILTER_HANDLED : FILTER_STRAY);
}

示例#6

文件： virtio_pci.c 项目： 2asoft/freebsd

static void
vtpci_legacy_intr(void *xsc)
{
	struct vtpci_softc *sc;
	struct vtpci_virtqueue *vqx;
	int i;
	uint8_t isr;

	sc = xsc;
	vqx = &sc->vtpci_vqs[0];

	/* Reading the ISR also clears it. */
	isr = vtpci_read_config_1(sc, VIRTIO_PCI_ISR);

	if (isr & VIRTIO_PCI_ISR_CONFIG)
		vtpci_config_intr(sc);

	if (isr & VIRTIO_PCI_ISR_INTR) {
		for (i = 0; i < sc->vtpci_nvqs; i++, vqx++) {
			if (vqx->vtv_no_intr == 0)
				virtqueue_intr(vqx->vtv_vq);
		}
	}
}