Message ID | 20240709080214.9790-2-jasowang@redhat.com (mailing list archive) |
---|---|
State | Not Applicable |
Delegated to: | Netdev Maintainers |
Headers | show |
Series | virtio-net: synchronize op/admin state | expand |
On Tue, 9 Jul 2024 16:02:12 +0800, Jason Wang <jasowang@redhat.com> wrote: > Following patch will allow the config interrupt to be disabled by a > specific driver via another boolean. So this patch renames > virtio_config_enabled and relevant helpers to > virtio_config_core_enabled. > > Cc: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> > Cc: Gia-Khanh Nguyen <gia-khanh.nguyen@oracle.com> > Signed-off-by: Jason Wang <jasowang@redhat.com> Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com> Thanks. > --- > drivers/virtio/virtio.c | 22 +++++++++++----------- > include/linux/virtio.h | 4 ++-- > 2 files changed, 13 insertions(+), 13 deletions(-) > > diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c > index b968b2aa5f4d..73bab89b5326 100644 > --- a/drivers/virtio/virtio.c > +++ b/drivers/virtio/virtio.c > @@ -127,7 +127,7 @@ static void __virtio_config_changed(struct virtio_device *dev) > { > struct virtio_driver *drv = drv_to_virtio(dev->dev.driver); > > - if (!dev->config_enabled) > + if (!dev->config_core_enabled) > dev->config_change_pending = true; > else if (drv && drv->config_changed) > drv->config_changed(dev); > @@ -143,17 +143,17 @@ void virtio_config_changed(struct virtio_device *dev) > } > EXPORT_SYMBOL_GPL(virtio_config_changed); > > -static void virtio_config_disable(struct virtio_device *dev) > +static void virtio_config_core_disable(struct virtio_device *dev) > { > spin_lock_irq(&dev->config_lock); > - dev->config_enabled = false; > + dev->config_core_enabled = false; > spin_unlock_irq(&dev->config_lock); > } > > -static void virtio_config_enable(struct virtio_device *dev) > +static void virtio_config_core_enable(struct virtio_device *dev) > { > spin_lock_irq(&dev->config_lock); > - dev->config_enabled = true; > + dev->config_core_enabled = true; > if (dev->config_change_pending) > __virtio_config_changed(dev); > dev->config_change_pending = false; > @@ -322,7 +322,7 @@ static int virtio_dev_probe(struct device *_d) > if (drv->scan) > drv->scan(dev); > > - virtio_config_enable(dev); > + virtio_config_core_enable(dev); > > return 0; > > @@ -340,7 +340,7 @@ static void virtio_dev_remove(struct device *_d) > struct virtio_device *dev = dev_to_virtio(_d); > struct virtio_driver *drv = drv_to_virtio(dev->dev.driver); > > - virtio_config_disable(dev); > + virtio_config_core_disable(dev); > > drv->remove(dev); > > @@ -455,7 +455,7 @@ int register_virtio_device(struct virtio_device *dev) > goto out_ida_remove; > > spin_lock_init(&dev->config_lock); > - dev->config_enabled = false; > + dev->config_core_enabled = false; > dev->config_change_pending = false; > > INIT_LIST_HEAD(&dev->vqs); > @@ -512,14 +512,14 @@ int virtio_device_freeze(struct virtio_device *dev) > struct virtio_driver *drv = drv_to_virtio(dev->dev.driver); > int ret; > > - virtio_config_disable(dev); > + virtio_config_core_disable(dev); > > dev->failed = dev->config->get_status(dev) & VIRTIO_CONFIG_S_FAILED; > > if (drv && drv->freeze) { > ret = drv->freeze(dev); > if (ret) { > - virtio_config_enable(dev); > + virtio_config_core_enable(dev); > return ret; > } > } > @@ -578,7 +578,7 @@ int virtio_device_restore(struct virtio_device *dev) > if (!(dev->config->get_status(dev) & VIRTIO_CONFIG_S_DRIVER_OK)) > virtio_device_ready(dev); > > - virtio_config_enable(dev); > + virtio_config_core_enable(dev); > > return 0; > > diff --git a/include/linux/virtio.h b/include/linux/virtio.h > index 96fea920873b..a6f6df72f01a 100644 > --- a/include/linux/virtio.h > +++ b/include/linux/virtio.h > @@ -115,7 +115,7 @@ struct virtio_admin_cmd { > * struct virtio_device - representation of a device using virtio > * @index: unique position on the virtio bus > * @failed: saved value for VIRTIO_CONFIG_S_FAILED bit (for restore) > - * @config_enabled: configuration change reporting enabled > + * @config_core_enabled: configuration change reporting enabled by core > * @config_change_pending: configuration change reported while disabled > * @config_lock: protects configuration change reporting > * @vqs_list_lock: protects @vqs. > @@ -132,7 +132,7 @@ struct virtio_admin_cmd { > struct virtio_device { > int index; > bool failed; > - bool config_enabled; > + bool config_core_enabled; > bool config_change_pending; > spinlock_t config_lock; > spinlock_t vqs_list_lock; > -- > 2.31.1 >
diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index b968b2aa5f4d..73bab89b5326 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -127,7 +127,7 @@ static void __virtio_config_changed(struct virtio_device *dev) { struct virtio_driver *drv = drv_to_virtio(dev->dev.driver); - if (!dev->config_enabled) + if (!dev->config_core_enabled) dev->config_change_pending = true; else if (drv && drv->config_changed) drv->config_changed(dev); @@ -143,17 +143,17 @@ void virtio_config_changed(struct virtio_device *dev) } EXPORT_SYMBOL_GPL(virtio_config_changed); -static void virtio_config_disable(struct virtio_device *dev) +static void virtio_config_core_disable(struct virtio_device *dev) { spin_lock_irq(&dev->config_lock); - dev->config_enabled = false; + dev->config_core_enabled = false; spin_unlock_irq(&dev->config_lock); } -static void virtio_config_enable(struct virtio_device *dev) +static void virtio_config_core_enable(struct virtio_device *dev) { spin_lock_irq(&dev->config_lock); - dev->config_enabled = true; + dev->config_core_enabled = true; if (dev->config_change_pending) __virtio_config_changed(dev); dev->config_change_pending = false; @@ -322,7 +322,7 @@ static int virtio_dev_probe(struct device *_d) if (drv->scan) drv->scan(dev); - virtio_config_enable(dev); + virtio_config_core_enable(dev); return 0; @@ -340,7 +340,7 @@ static void virtio_dev_remove(struct device *_d) struct virtio_device *dev = dev_to_virtio(_d); struct virtio_driver *drv = drv_to_virtio(dev->dev.driver); - virtio_config_disable(dev); + virtio_config_core_disable(dev); drv->remove(dev); @@ -455,7 +455,7 @@ int register_virtio_device(struct virtio_device *dev) goto out_ida_remove; spin_lock_init(&dev->config_lock); - dev->config_enabled = false; + dev->config_core_enabled = false; dev->config_change_pending = false; INIT_LIST_HEAD(&dev->vqs); @@ -512,14 +512,14 @@ int virtio_device_freeze(struct virtio_device *dev) struct virtio_driver *drv = drv_to_virtio(dev->dev.driver); int ret; - virtio_config_disable(dev); + virtio_config_core_disable(dev); dev->failed = dev->config->get_status(dev) & VIRTIO_CONFIG_S_FAILED; if (drv && drv->freeze) { ret = drv->freeze(dev); if (ret) { - virtio_config_enable(dev); + virtio_config_core_enable(dev); return ret; } } @@ -578,7 +578,7 @@ int virtio_device_restore(struct virtio_device *dev) if (!(dev->config->get_status(dev) & VIRTIO_CONFIG_S_DRIVER_OK)) virtio_device_ready(dev); - virtio_config_enable(dev); + virtio_config_core_enable(dev); return 0; diff --git a/include/linux/virtio.h b/include/linux/virtio.h index 96fea920873b..a6f6df72f01a 100644 --- a/include/linux/virtio.h +++ b/include/linux/virtio.h @@ -115,7 +115,7 @@ struct virtio_admin_cmd { * struct virtio_device - representation of a device using virtio * @index: unique position on the virtio bus * @failed: saved value for VIRTIO_CONFIG_S_FAILED bit (for restore) - * @config_enabled: configuration change reporting enabled + * @config_core_enabled: configuration change reporting enabled by core * @config_change_pending: configuration change reported while disabled * @config_lock: protects configuration change reporting * @vqs_list_lock: protects @vqs. @@ -132,7 +132,7 @@ struct virtio_admin_cmd { struct virtio_device { int index; bool failed; - bool config_enabled; + bool config_core_enabled; bool config_change_pending; spinlock_t config_lock; spinlock_t vqs_list_lock;
Following patch will allow the config interrupt to be disabled by a specific driver via another boolean. So this patch renames virtio_config_enabled and relevant helpers to virtio_config_core_enabled. Cc: Venkat Venkatsubra <venkat.x.venkatsubra@oracle.com> Cc: Gia-Khanh Nguyen <gia-khanh.nguyen@oracle.com> Signed-off-by: Jason Wang <jasowang@redhat.com> --- drivers/virtio/virtio.c | 22 +++++++++++----------- include/linux/virtio.h | 4 ++-- 2 files changed, 13 insertions(+), 13 deletions(-)