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..._queue, SIGIO, POLL_OUT); > } > > +static void in_intr(struct virtqueue *vq); > +static void out_intr(struct virtqueue *vq); > + > +static int setup_port_vq(struct ports_device *portdev, u32 id) > +{ > + int err, vq_num; > + vq_callback_t **io_callbacks; > + char **io_names; > + struct virtqueue **vqs; > + u32 i,j,nr_ports,nr_queues; > + > + err = 0; > + vq_num = (id + 1) * 2; > + nr_ports = portdev->config.max_nr_ports; > + nr_queues = use_multiport(portdev) ? (nr_ports + 1) * 2 : 2; > + > + vqs = kmalloc(nr_queues * sizeof(struct virtqu...

..._queue, SIGIO, POLL_OUT); > } > > +static void in_intr(struct virtqueue *vq); > +static void out_intr(struct virtqueue *vq); > + > +static int setup_port_vq(struct ports_device *portdev, u32 id) > +{ > + int err, vq_num; > + vq_callback_t **io_callbacks; > + char **io_names; > + struct virtqueue **vqs; > + u32 i,j,nr_ports,nr_queues; > + > + err = 0; > + vq_num = (id + 1) * 2; > + nr_ports = portdev->config.max_nr_ports; > + nr_queues = use_multiport(portdev) ? (nr_ports + 1) * 2 : 2; > + > + vqs = kmalloc(nr_queues * sizeof(struct virtqu...

Hey Rusty, These updated patches in the series return -EFAULT on copy_xx_user errors and also move the copy_from_user into fops_write() instead of it being in send_buf. This enables send_buf to just read from kernel buffers, making it simpler. This also allows write()s to write more to the host in one go, removingthe 4k limitation. I do limit the writes to 32k at once to not put too much

Hey Rusty, These updated patches in the series return -EFAULT on copy_xx_user errors and also move the copy_from_user into fops_write() instead of it being in send_buf. This enables send_buf to just read from kernel buffers, making it simpler. This also allows write()s to write more to the host in one go, removingthe 4k limitation. I do limit the writes to 32k at once to not put too much

...1 insertions(+), 6 deletions(-) diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 196428c..61dad7e 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1299,36 +1299,31 @@ static int init_vqs(struct ports_device *portdev) char **io_names; struct virtqueue **vqs; u32 i, j, nr_ports, nr_queues; - int err; + int err = -ENOMEM; nr_ports = portdev->config.max_nr_ports; nr_queues = use_multiport(portdev) ? (nr_ports + 1) * 2 : 2; vqs = kmalloc(nr_queues * sizeof(struct virtqueue *)...

...1 insertions(+), 6 deletions(-) diff --git a/drivers/char/virtio_console.c b/drivers/char/virtio_console.c index 196428c..61dad7e 100644 --- a/drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1299,36 +1299,31 @@ static int init_vqs(struct ports_device *portdev) char **io_names; struct virtqueue **vqs; u32 i, j, nr_ports, nr_queues; - int err; + int err = -ENOMEM; nr_ports = portdev->config.max_nr_ports; nr_queues = use_multiport(portdev) ? (nr_ports + 1) * 2 : 2; vqs = kmalloc(nr_queues * sizeof(struct virtqueue *)...

...char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1945,9 +1945,9 @@ static int init_vqs(struct ports_device *portdev) } } /* Find the queues. */ - err = portdev->vdev->config->find_vqs(portdev->vdev, nr_queues, vqs, - io_callbacks, - (const char **)io_names, NULL); + err = virtio_find_vqs(portdev->vdev, nr_queues, vqs, + io_callbacks, + (const char **)io_names, NULL); if (err) goto free; diff --git a/drivers/crypto/virtio/virtio_crypto_core.c b/drivers/crypto/virtio/virtio_crypto_core.c index 21472e4..a111cd72 100644 --- a/dr...

...char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1945,9 +1945,9 @@ static int init_vqs(struct ports_device *portdev) } } /* Find the queues. */ - err = portdev->vdev->config->find_vqs(portdev->vdev, nr_queues, vqs, - io_callbacks, - (const char **)io_names, NULL); + err = virtio_find_vqs(portdev->vdev, nr_queues, vqs, + io_callbacks, + (const char **)io_names, NULL); if (err) goto free; diff --git a/drivers/crypto/virtio/virtio_crypto_core.c b/drivers/crypto/virtio/virtio_crypto_core.c index 21472e4..a111cd72 100644 --- a/dr...

.../drivers/char/virtio_console.c +++ b/drivers/char/virtio_console.c @@ -1939,7 +1939,7 @@ static int init_vqs(struct ports_device *portdev) /* Find the queues. */ err = portdev->vdev->config->find_vqs(portdev->vdev, nr_queues, vqs, io_callbacks, - (const char **)io_names); + (const char **)io_names, NULL); if (err) goto free; diff --git a/drivers/crypto/virtio/virtio_crypto_core.c b/drivers/crypto/virtio/virtio_crypto_core.c index fe70ec8..0aa2f04 100644 --- a/drivers/crypto/virtio/virtio_crypto_core.c +++ b/drivers/crypto/virtio/virtio_crypto_core...

Hi all: This series try to share MSIX irq for each tx/rx queue pair. This is done through: - introducing virtio pci channel which are group of virtqueues that sharing a single MSIX irq (Patch 1) - expose channel setting to virtio core api (Patch 2) - try to use channel setting in virtio-net (Patch 3) For the transport that does not support channel, channel paramters were simply ignored. For

Hi all: This series try to share MSIX irq for each tx/rx queue pair. This is done through: - introducing virtio pci channel which are group of virtqueues that sharing a single MSIX irq (Patch 1) - expose channel setting to virtio core api (Patch 2) - try to use channel setting in virtio-net (Patch 3) For the transport that does not support channel, channel paramters were simply ignored. For

Hi Michael, this series contains a couple cleanups for the virtio_pci interrupt handling code, including a switch to the new pci_irq_alloc_vectors helper, and support for automatic affinity by the PCI layer if the consumers ask for it. It then converts over virtio_blk to use this functionality so that it's blk-mq queues are aligned to the MSI-X vector routing. I have a similar patch in the

Hi Michael, this series contains a couple cleanups for the virtio_pci interrupt handling code, including a switch to the new pci_irq_alloc_vectors helper, and support for automatic affinity by the PCI layer if the consumers ask for it. It then converts over virtio_blk to use this functionality so that it's blk-mq queues are aligned to the MSI-X vector routing. I have a similar patch in the

Hi Michael, hi Jason, This patches applies a few cleanups to the virtio PCI interrupt handling code, and then converts the virtio PCI code to use the automatic MSI-X vectors spreading, as well as using the information in virtio-blk and virtio-scsi to automatically align the blk-mq queues to the MSI-X vectors. Changes since V2: - remove a redundant callback check - calculate ->msix_vectors

Hi Michael, hi Jason, This patches applies a few cleanups to the virtio PCI interrupt handling code, and then converts the virtio PCI code to use the automatic MSI-X vectors spreading, as well as using the information in virtio-blk and virtio-scsi to automatically align the blk-mq queues to the MSI-X vectors. Changes since V2: - remove a redundant callback check - calculate ->msix_vectors

Hi Michael, hi Jason, This patches applies a few cleanups to the virtio PCI interrupt handling code, and then converts the virtio PCI code to use the automatic MSI-X vectors spreading, as well as using the information in virtio-blk and virtio-scsi to automatically align the blk-mq queues to the MSI-X vectors. Changes since V1: - dropped the patches already merged for 4.10-rc - new patch to

Hi Michael, hi Jason, This patches applies a few cleanups to the virtio PCI interrupt handling code, and then converts the virtio PCI code to use the automatic MSI-X vectors spreading, as well as using the information in virtio-blk and virtio-scsi to automatically align the blk-mq queues to the MSI-X vectors. Changes since V1: - dropped the patches already merged for 4.10-rc - new patch to