sparc64: Add vio_set_intr() to enable/disable Rx interrupts
The vio_set_intr() API should be used by VIO consumers to enable/disable Rx interrupts to facilitate deferred processing in softirq/bottom-half context. Signed-off-by: Sowmini Varadhan <sowmini.varadhan@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -298,6 +298,7 @@ struct vio_dev {
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unsigned int tx_irq;
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unsigned int rx_irq;
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u64 rx_ino;
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struct device dev;
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};
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@ -453,5 +454,6 @@ int vio_driver_init(struct vio_driver_state *vio, struct vio_dev *vdev,
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char *name);
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void vio_port_up(struct vio_driver_state *vio);
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int vio_set_intr(unsigned long dev_ino, int state);
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#endif /* _SPARC64_VIO_H */
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@ -180,8 +180,10 @@ static void vio_fill_channel_info(struct mdesc_handle *hp, u64 mp,
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vdev->tx_irq = sun4v_build_virq(cdev_cfg_handle, *irq);
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irq = mdesc_get_property(hp, target, "rx-ino", NULL);
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if (irq)
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if (irq) {
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vdev->rx_irq = sun4v_build_virq(cdev_cfg_handle, *irq);
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vdev->rx_ino = *irq;
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}
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chan_id = mdesc_get_property(hp, target, "id", NULL);
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if (chan_id)
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@ -189,6 +191,15 @@ static void vio_fill_channel_info(struct mdesc_handle *hp, u64 mp,
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}
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}
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int vio_set_intr(unsigned long dev_ino, int state)
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{
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int err;
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err = sun4v_vintr_set_valid(cdev_cfg_handle, dev_ino, state);
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return err;
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}
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EXPORT_SYMBOL(vio_set_intr);
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static struct vio_dev *vio_create_one(struct mdesc_handle *hp, u64 mp,
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struct device *parent)
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{
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