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...struct virtio_driver, driver); - - if (drv && drv->config_changed) - drv->config_changed(&vcdev->vdev); + virtio_config_changed(&vcdev->vdev); clear_bit(0, &vcdev->indicators2); } } diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index fed0ce1..470b74f 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -239,6 +239,16 @@ void unregister_virtio_device(struct virtio_device *dev) } EXPORT_SYMBOL_GPL(unregister_virtio_device); +void virtio_config_changed(struct virtio_device *dev) +{ + struct virtio_driver *drv =...

...struct virtio_driver, driver); - - if (drv && drv->config_changed) - drv->config_changed(&vcdev->vdev); + virtio_config_changed(&vcdev->vdev); clear_bit(0, &vcdev->indicators2); } } diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index fed0ce1..470b74f 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -239,6 +239,16 @@ void unregister_virtio_device(struct virtio_device *dev) } EXPORT_SYMBOL_GPL(unregister_virtio_device); +void virtio_config_changed(struct virtio_device *dev) +{ + struct virtio_driver *drv =...

...h my driver-core tree if you don't want to take it through yours, just let me know what works best for you. drivers/virtio/virtio.c | 27 +++++++++++++++++++-------- 1 file changed, 19 insertions(+), 8 deletions(-) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index ee59b74..fed0ce1 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -13,18 +13,24 @@ static ssize_t device_show(struct device *_d, struct virtio_device *dev = dev_to_virtio(_d); return sprintf(buf, "0x%04x\n", dev->id.device); } +static DEVICE_ATTR_RO(device); + static ssize_t...

...h my driver-core tree if you don't want to take it through yours, just let me know what works best for you. drivers/virtio/virtio.c | 27 +++++++++++++++++++-------- 1 file changed, 19 insertions(+), 8 deletions(-) diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index ee59b74..fed0ce1 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -13,18 +13,24 @@ static ssize_t device_show(struct device *_d, struct virtio_device *dev = dev_to_virtio(_d); return sprintf(buf, "0x%04x\n", dev->id.device); } +static DEVICE_ATTR_RO(device); + static ssize_t...

...struct virtio_driver, driver); - - if (drv && drv->config_changed) - drv->config_changed(&vcdev->vdev); + virtio_config_changed(&vcdev->vdev); clear_bit(0, &vcdev->indicators2); } } diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index fed0ce1..470b74f 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -239,6 +239,16 @@ void unregister_virtio_device(struct virtio_device *dev) } EXPORT_SYMBOL_GPL(unregister_virtio_device); +void virtio_config_changed(struct virtio_device *dev) +{ + struct virtio_driver *drv =...

...struct virtio_driver, driver); - - if (drv && drv->config_changed) - drv->config_changed(&vcdev->vdev); + virtio_config_changed(&vcdev->vdev); clear_bit(0, &vcdev->indicators2); } } diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index fed0ce1..3980687 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -239,6 +239,15 @@ void unregister_virtio_device(struct virtio_device *dev) } EXPORT_SYMBOL_GPL(unregister_virtio_device); +void virtio_config_changed(struct virtio_device *dev) +{ + struct virtio_driver *drv = drv_to...

...s = vdev->config->get_status(vdev); + vdev->config->set_status(vdev, status | VIRTIO_CONFIG_S_DRIVER_OK); + return 0; +} + static struct virtio_device_id id_table[] = { { VIRTIO_ID_NET, VIRTIO_DEV_ANY_ID }, { 0 }, diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index fed0ce1..2fc396c 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -117,11 +117,10 @@ void virtio_check_driver_offered_feature(const struct virtio_device *vdev, } EXPORT_SYMBOL_GPL(virtio_check_driver_offered_feature); -static int virtio_dev_probe(struct device *_d) +int virtio_feat...

...s = vdev->config->get_status(vdev); + vdev->config->set_status(vdev, status | VIRTIO_CONFIG_S_DRIVER_OK); + return 0; +} + static struct virtio_device_id id_table[] = { { VIRTIO_ID_NET, VIRTIO_DEV_ANY_ID }, { 0 }, diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index fed0ce1..2fc396c 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -117,11 +117,10 @@ void virtio_check_driver_offered_feature(const struct virtio_device *vdev, } EXPORT_SYMBOL_GPL(virtio_check_driver_offered_feature); -static int virtio_dev_probe(struct device *_d) +int virtio_feat...

...CCW_CMD_WRITE_FEAT; + ccw->flags = 0; + ccw->count = sizeof(*features); + ccw->cda = (__u32)(unsigned long)features; + ccw_io_helper(vcdev, ccw, VIRTIO_CCW_DOING_WRITE_FEAT); + out_free: kfree(features); kfree(ccw); diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index fed0ce1..601efc3 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -49,9 +49,9 @@ static ssize_t features_show(struct device *_d, /* We actually represent this as a bitstring, as it could be * arbitrary length in future. */ - for (i = 0; i < ARRAY_SIZE(dev->features)*BITS_P...

Rusty, I have a mind to include this patchset for this merge window. Any input on this? This fixes the following virtio spec compliance issues: 1. on restore, drivers use device before setting ACKNOWLEDGE and DRIVER bits 2. on probe, drivers aren't prepared to handle config interrupts arriving before probe returns 3. on probe, drivers use device before DRIVER_OK it set Note that 1 is a

Rusty, I have a mind to include this patchset for this merge window. Any input on this? This fixes the following virtio spec compliance issues: 1. on restore, drivers use device before setting ACKNOWLEDGE and DRIVER bits 2. on probe, drivers aren't prepared to handle config interrupts arriving before probe returns 3. on probe, drivers use device before DRIVER_OK it set Note that 1 is a

Rusty, I have a mind to send this patches for the next merge window. Any input on this? This fixes the following virtio spec compliance issues: 1. on restore, drivers use device before setting ACKNOWLEDGE and DRIVER bits 2. on probe, drivers aren't prepared to handle config interrupts arriving before probe returns 3. on probe, drivers use device before DRIVER_OK it set Note that 1 is a

Rusty, I have a mind to send this patches for the next merge window. Any input on this? This fixes the following virtio spec compliance issues: 1. on restore, drivers use device before setting ACKNOWLEDGE and DRIVER bits 2. on probe, drivers aren't prepared to handle config interrupts arriving before probe returns 3. on probe, drivers use device before DRIVER_OK it set Note that 1 is a

Rusty, please review this, and consider for this merge window. This fixes the following virtio spec compliance issues: 1. on restore, drivers use device before setting ACKNOWLEDGE and DRIVER bits 2. on probe, drivers aren't prepared to handle config interrupts arriving before probe returns 3. on probe, drivers use device before DRIVER_OK it set Note that 1 is a clear violation of virtio

Rusty, please review this, and consider for this merge window. This fixes the following virtio spec compliance issues: 1. on restore, drivers use device before setting ACKNOWLEDGE and DRIVER bits 2. on probe, drivers aren't prepared to handle config interrupts arriving before probe returns 3. on probe, drivers use device before DRIVER_OK it set Note that 1 is a clear violation of virtio

Changes from v4: rename virtio_enable_vqs_early() to virtio_device_ready() Note: Rusty requested we add a BUG_ON in the virtio_ring code. This can be done by a separate patch on top. Good for bisectability in case BUG_ON starts triggering :) Rusty, please review this, and consider for this merge window. This fixes the following virtio spec compliance issues: 1. on restore, drivers use device

Changes from v4: rename virtio_enable_vqs_early() to virtio_device_ready() Note: Rusty requested we add a BUG_ON in the virtio_ring code. This can be done by a separate patch on top. Good for bisectability in case BUG_ON starts triggering :) Rusty, please review this, and consider for this merge window. This fixes the following virtio spec compliance issues: 1. on restore, drivers use device

This patchset tries to go towards implementing both virtio-1 compliant and transitional virtio drivers in Linux. Branch available at git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux virtio-1 This is based on some old patches by Rusty to handle extended feature bits and endianness conversions. Thomas implemented the new virtio-ccw transport revision command, and I hacked up some

This patchset tries to go towards implementing both virtio-1 compliant and transitional virtio drivers in Linux. Branch available at git://git.kernel.org/pub/scm/linux/kernel/git/kvms390/linux virtio-1 This is based on some old patches by Rusty to handle extended feature bits and endianness conversions. Thomas implemented the new virtio-ccw transport revision command, and I hacked up some