search for: mdev_par

...quot;mdev_private.h" > > > > > > > > > > @@ -24,16 +25,16 @@ > > > > > static int vfio_mdev_open(void *device_data) > > > > > { > > > > > struct mdev_device *mdev = device_data; > > > > > - struct mdev_parent *parent = mdev->parent; > > > > > + const struct vfio_mdev_device_ops *ops = > > > > mdev_get_dev_ops(mdev); > > > > > int ret; > > > > > > > > > > - if (unlikely(!parent->ops->open)) > > > >...

> From: Jason Wang > Sent: Thursday, September 12, 2019 5:40 PM > > Currently, except for the crate and remove. The rest fields of > mdev_parent_ops is just designed for vfio-mdev driver and may not help > for kernel mdev driver. So follow the device id support by previous > patch, this patch introduces device specific ops which points to > device specific ops (e.g vfio ops). This allows the future drivers > like virtio-mdev...

...quot;mdev_private.h" > > > > > > > > > > @@ -24,16 +25,16 @@ > > > > > static int vfio_mdev_open(void *device_data) > > > > > { > > > > > struct mdev_device *mdev = device_data; > > > > > - struct mdev_parent *parent = mdev->parent; > > > > > + const struct vfio_mdev_device_ops *ops = > > > > mdev_get_dev_ops(mdev); > > > > > int ret; > > > > > > > > > > - if (unlikely(!parent->ops->open)) > > > >...

> From: Jason Wang > Sent: Thursday, September 12, 2019 5:40 PM > > Currently, except for the crate and remove. The rest fields of > mdev_parent_ops is just designed for vfio-mdev driver and may not help > for kernel mdev driver. So follow the device id support by previous > patch, this patch introduces device specific ops which points to > device specific ops (e.g vfio ops). This allows the future drivers > like virtio-mdev...

Currently, except for the crate and remove. The rest fields of mdev_parent_ops is just designed for vfio-mdev driver and may not help for kernel mdev driver. So follow the device id support by previous patch, this patch introduces device specific ops which points to device specific ops (e.g vfio ops). This allows the future drivers like virtio-mdev to implement its own...

On 2019/9/17 ??4:09, Tian, Kevin wrote: >> From: Jason Wang >> Sent: Thursday, September 12, 2019 5:40 PM >> >> Currently, except for the crate and remove. The rest fields of >> mdev_parent_ops is just designed for vfio-mdev driver and may not help >> for kernel mdev driver. So follow the device id support by previous >> patch, this patch introduces device specific ops which points to >> device specific ops (e.g vfio ops). This allows the future drivers >> l...

Hi all: During the development of virtio-mdev[1]. I find that mdev needs to be extended to support devices other than vfio mdev device. So this series tries to extend the mdev to be able to differ from different devices by: - device id and matching for mdev bus - device speicfic callbacks and move vfio callbacks there Sent for early reivew, compile test only! Thanks [1]

Hi all: During the development of virtio-mdev[1]. I find that mdev needs to be extended to support devices other than vfio mdev device. So this series tries to extend the mdev to be able to differ from different devices by: - device id and matching for mdev bus - device speicfic callbacks and move vfio callbacks there Sent for early reivew, compile test only! Thanks [1]

Currently, except for the create and remove. The rest of mdev_parent_ops is designed for vfio-mdev driver only and may not help for kernel mdev driver. Follow the class id support by previous patch, this patch introduces device specific ops pointer inside parent ops which points to device specific ops (e.g vfio ops). This allows the future drivers like virtio-mde...

...: > > From: Alex Williamson > > Sent: Wednesday, September 25, 2019 7:07 AM > > > > On Tue, 24 Sep 2019 21:53:29 +0800 > > Jason Wang <jasowang at redhat.com> wrote: > > > > > Currently, except for the create and remove, the rest of > > > mdev_parent_ops is designed for vfio-mdev driver only and may not help > > > for kernel mdev driver. With the help of class id, this patch > > > introduces device specific callbacks inside mdev_device > > > structure. This allows different set of callback to be used by > > &...

...: > > From: Alex Williamson > > Sent: Wednesday, September 25, 2019 7:07 AM > > > > On Tue, 24 Sep 2019 21:53:29 +0800 > > Jason Wang <jasowang at redhat.com> wrote: > > > > > Currently, except for the create and remove, the rest of > > > mdev_parent_ops is designed for vfio-mdev driver only and may not help > > > for kernel mdev driver. With the help of class id, this patch > > > introduces device specific callbacks inside mdev_device > > > structure. This allows different set of callback to be used by > > &...

...hat.com] > Sent: Tuesday, September 17, 2019 6:17 PM > > On 2019/9/17 ??4:09, Tian, Kevin wrote: > >> From: Jason Wang > >> Sent: Thursday, September 12, 2019 5:40 PM > >> > >> Currently, except for the crate and remove. The rest fields of > >> mdev_parent_ops is just designed for vfio-mdev driver and may not > help > >> for kernel mdev driver. So follow the device id support by previous > >> patch, this patch introduces device specific ops which points to > >> device specific ops (e.g vfio ops). This allows the futur...

...x.com>; >> eperezma at redhat.com; lulu at redhat.com; Parav Pandit >> <parav at mellanox.com>; Jason Wang <jasowang at redhat.com> >> Subject: [PATCH 2/6] mdev: introduce device specific ops >> >> Currently, except for the create and remove. The rest of mdev_parent_ops is >> designed for vfio-mdev driver only and may not help for kernel mdev driver. >> Follow the class id support by previous patch, this patch introduces device >> specific ops pointer inside parent ops which points to device specific ops (e.g >> vfio ops). This allow...

...meter of parent_ops was from userspace. This prevents us from implementing the kernel mdev driver. For a quick POC, this patch just abuse those parameter and assume the mdev device implementation will treat them as kernel pointer. This should be addressed in the formal series by extending mdev_parent_ops. - for a quick POC, I just drive the transport from MMIO, I'm pretty there's lot of optimization space for this. Signed-off-by: Jason Wang <jasowang at redhat.com> --- drivers/vfio/mdev/Kconfig | 7 + drivers/vfio/mdev/Makefile | 1 + drivers/vfio/mdev/virt...

On Tue, 24 Sep 2019 21:53:29 +0800 Jason Wang <jasowang at redhat.com> wrote: > Currently, except for the create and remove, the rest of > mdev_parent_ops is designed for vfio-mdev driver only and may not help > for kernel mdev driver. With the help of class id, this patch > introduces device specific callbacks inside mdev_device > structure. This allows different set of callback to be used by > vfio-mdev and virtio-mdev. > &gt...

On Tue, 24 Sep 2019 21:53:29 +0800 Jason Wang <jasowang at redhat.com> wrote: > Currently, except for the create and remove, the rest of > mdev_parent_ops is designed for vfio-mdev driver only and may not help > for kernel mdev driver. With the help of class id, this patch > introduces device specific callbacks inside mdev_device > structure. This allows different set of callback to be used by > vfio-mdev and virtio-mdev. > &gt...

Currently, except for the create and remove, the rest of mdev_parent_ops is designed for vfio-mdev driver only and may not help for kernel mdev driver. With the help of class id, this patch introduces device specific callbacks inside mdev_device structure. This allows different set of callback to be used by vfio-mdev and virtio-mdev. Signed-off-by: Jason Wang &l...

...t; > Jason Wang <jasowang at redhat.com> wrote: > > > >> @@ -167,9 +176,10 @@ register itself with the mdev core driver:: > > > >> extern int mdev_register_device(struct device *dev, > > > >> const struct mdev_parent_ops > > > >> *ops); > > > >> > > > >> -It is also required to specify the class_id through:: > > > >> +It is also required to specify the class_id and device specific ops > > through:: > > > >> > > > &g...

Currently, except for the create and remove, the rest of mdev_parent_ops is designed for vfio-mdev driver only and may not help for kernel mdev driver. With the help of class id, this patch introduces device specific callbacks inside mdev_device structure. This allows different set of callback to be used by vfio-mdev and virtio-mdev. Signed-off-by: Jason Wang &l...

> From: Alex Williamson > Sent: Wednesday, September 25, 2019 7:07 AM > > On Tue, 24 Sep 2019 21:53:29 +0800 > Jason Wang <jasowang at redhat.com> wrote: > > > Currently, except for the create and remove, the rest of > > mdev_parent_ops is designed for vfio-mdev driver only and may not help > > for kernel mdev driver. With the help of class id, this patch > > introduces device specific callbacks inside mdev_device > > structure. This allows different set of callback to be used by > > vfio-mdev and vi...