diff options
| author | Sowmini Varadhan | 2014-09-23 17:37:44 +0200 |
|---|---|---|
| committer | David S. Miller | 2014-09-30 23:40:45 +0200 |
| commit | ca605b7dd740c8909408d67911d8ddd272c2b320 (patch) | |
| tree | 9832c8fbbb26f2b6236a969b44aab949d57a4742 /arch/sparc/kernel | |
| parent | vio: fix reuse of vio_dring slot (diff) | |
| download | kernel-qcow2-linux-ca605b7dd740c8909408d67911d8ddd272c2b320.tar.gz kernel-qcow2-linux-ca605b7dd740c8909408d67911d8ddd272c2b320.tar.xz kernel-qcow2-linux-ca605b7dd740c8909408d67911d8ddd272c2b320.zip | |
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>
Diffstat (limited to 'arch/sparc/kernel')
| -rw-r--r-- | arch/sparc/kernel/vio.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c index 8647fcc5ca6c..cb5789c9f961 100644 --- a/arch/sparc/kernel/vio.c +++ b/arch/sparc/kernel/vio.c @@ -180,8 +180,10 @@ static void vio_fill_channel_info(struct mdesc_handle *hp, u64 mp, vdev->tx_irq = sun4v_build_virq(cdev_cfg_handle, *irq); irq = mdesc_get_property(hp, target, "rx-ino", NULL); - if (irq) + if (irq) { vdev->rx_irq = sun4v_build_virq(cdev_cfg_handle, *irq); + vdev->rx_ino = *irq; + } chan_id = mdesc_get_property(hp, target, "id", NULL); if (chan_id) @@ -189,6 +191,15 @@ static void vio_fill_channel_info(struct mdesc_handle *hp, u64 mp, } } +int vio_set_intr(unsigned long dev_ino, int state) +{ + int err; + + err = sun4v_vintr_set_valid(cdev_cfg_handle, dev_ino, state); + return err; +} +EXPORT_SYMBOL(vio_set_intr); + static struct vio_dev *vio_create_one(struct mdesc_handle *hp, u64 mp, struct device *parent) { |