search for: device_driver

On Thu, Mar 23, 2023 at 3:11?AM Shannon Nelson <shannon.nelson at amd.com> wrote: > > Add the documentation and Kconfig entry for pds_vdpa driver. > > Signed-off-by: Shannon Nelson <shannon.nelson at amd.com> > --- > .../device_drivers/ethernet/amd/pds_vdpa.rst | 84 +++++++++++++++++++ > .../device_drivers/ethernet/index.rst | 1 + I wonder if it's better to have a dedicated directory for vDPA. > MAINTAINERS | 4 + > drivers/vdpa/Kconfig | 8 +...

In preperation for moving the element driver from the struct driver_context to struct hv_driver, change the signature for the function vmbus_child_driver_unregister() to take a pointer to struct device_driver. Signed-off-by: K. Y. Srinivasan <kys at microsoft.com> Signed-off-by: Abhishek Kane <v-abkane at microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz at microsoft.com> Signed-off-by: Hank Janssen <hjanssen at microsoft.com> --- drivers/staging/hv/blkvsc_drv.c | 2 +-...

In preperation for moving the element driver from the struct driver_context to struct hv_driver, change the signature for the function vmbus_child_driver_unregister() to take a pointer to struct device_driver. Signed-off-by: K. Y. Srinivasan <kys at microsoft.com> Signed-off-by: Abhishek Kane <v-abkane at microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz at microsoft.com> Signed-off-by: Hank Janssen <hjanssen at microsoft.com> --- drivers/staging/hv/blkvsc_drv.c | 2 +-...

to_vp_device is worth changing to inlined definition. Signed-off-by: Wanlong Gao <gaowanlong at cn.fujitsu.com> --- drivers/virtio/virtio_pci.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index e3ecc94..7681fe3 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -98,11 +98,7 @@

to_vp_device is worth changing to inlined definition. Signed-off-by: Wanlong Gao <gaowanlong at cn.fujitsu.com> --- drivers/virtio/virtio_pci.c | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index e3ecc94..7681fe3 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -98,11 +98,7 @@

In preparation for moving the element driver from the struct driver_context to struct hv_driver, change the signature for the function vmbus_child_driver_register() to take a pointer to struct device_driver. Signed-off-by: K. Y. Srinivasan <kys at microsoft.com> Signed-off-by: Abhishek Kane <v-abkane at microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz at microsoft.com> Signed-off-by: Hank Janssen <hjanssen at microsoft.com> --- drivers/staging/hv/blkvsc_drv.c | 2 +-...

In preparation for moving the element driver from the struct driver_context to struct hv_driver, change the signature for the function vmbus_child_driver_register() to take a pointer to struct device_driver. Signed-off-by: K. Y. Srinivasan <kys at microsoft.com> Signed-off-by: Abhishek Kane <v-abkane at microsoft.com> Signed-off-by: Haiyang Zhang <haiyangz at microsoft.com> Signed-off-by: Hank Janssen <hjanssen at microsoft.com> --- drivers/staging/hv/blkvsc_drv.c | 2 +-...

...o/pds_vdpa.rst | 84 +++++++++++++++++++ > >> MAINTAINERS | 4 + > >> drivers/vdpa/Kconfig | 8 ++ > >> 3 files changed, 96 insertions(+) > >> create mode 100644 Documentation/networking/device_drivers/ethernet/pensando/pds_vdpa.rst > >> > >> diff --git a/Documentation/networking/device_drivers/ethernet/pensando/pds_vdpa.rst b/Documentation/networking/device_drivers/ethernet/pensando/pds_vdpa.rst > >> new file mode 100644 > >> index 000000000000..d41f6dd66e3e...

...to client driver to complete the initialization */ diff --git a/drivers/staging/hv/vmbus.h b/drivers/staging/hv/vmbus.h index 42f2adb..fd9d00f 100644 --- a/drivers/staging/hv/vmbus.h +++ b/drivers/staging/hv/vmbus.h @@ -30,8 +30,8 @@ struct driver_context { struct hv_guid class_id; - struct device_driver driver; + struct hv_driver *hv_drv; /* * Use these methods instead of the struct device_driver so 2.6 kernel diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c index 459c707..1f4e46d 100644 --- a/drivers/staging/hv/vmbus_drv.c +++ b/drivers/staging/hv/vmbus_drv.c @@...

...to client driver to complete the initialization */ diff --git a/drivers/staging/hv/vmbus.h b/drivers/staging/hv/vmbus.h index 42f2adb..fd9d00f 100644 --- a/drivers/staging/hv/vmbus.h +++ b/drivers/staging/hv/vmbus.h @@ -30,8 +30,8 @@ struct driver_context { struct hv_guid class_id; - struct device_driver driver; + struct hv_driver *hv_drv; /* * Use these methods instead of the struct device_driver so 2.6 kernel diff --git a/drivers/staging/hv/vmbus_drv.c b/drivers/staging/hv/vmbus_drv.c index 459c707..1f4e46d 100644 --- a/drivers/staging/hv/vmbus_drv.c +++ b/drivers/staging/hv/vmbus_drv.c @@...

...device state in two independent data structures: Driver state: struct driver_context (vmbus.h) and struct hv_driver (vmbus_api.h) Device state: struct vm_device (vmbus.h) and struct hv_device (vmbus_api.h) While sruct driver_context and struct vm_device embed generic Linux abstractions of struct device_driver and struct device respectively; the lower level hyperv abstraction: struct hv_driver and struct hv_device have maintained state needed to communicate with the host. This partitioning made sense at a point in time when it was not clear how much of the hypervisor interaction would be open sourced....

...d > * @driver: device driver structure > + * @id_table: the ids serviced by this driver > */ > struct mdev_driver { > const char *name; > int (*probe) (struct device *dev); > void (*remove) (struct device *dev); > struct device_driver driver; > + const struct mdev_class_id *id_table; > }; > > A mediated bus driver for mdev should use this structure in the function calls > @@ -170,6 +172,9 @@ that a driver should use to unregister itself with the mdev core driver:: > > extern void mdev_un...

...device state in two independent data structures: Driver state: struct driver_context (vmbus.h) and struct hv_driver (vmbus_api.h) Device state: struct vm_device (vmbus.h) and struct hv_device (vmbus_api.h) While sruct driver_context and struct vm_device embed generic Linux abstractions of struct device_driver and struct device respectively; the lower level hyperv abstraction: struct hv_driver and struct hv_device have maintained state needed to communicate with the host. This partitioning made sense at a point in time when it was not clear how much of the hypervisor interaction would be open sourced....

...d > * @driver: device driver structure > + * @id_table: the ids serviced by this driver > */ > struct mdev_driver { > const char *name; > int (*probe) (struct device *dev); > void (*remove) (struct device *dev); > struct device_driver driver; > + const struct mdev_class_id *id_table; > }; > > A mediated bus driver for mdev should use this structure in the function calls > @@ -170,6 +172,9 @@ that a driver should use to unregister itself with the mdev core driver:: > > extern void mdev_un...

...add_status vDPA/ifcvf: synchronize irqs in the reset routine vDPA/ifcvf: a vendor driver should not set _CONFIG_S_FAILED vDPA/ifcvf: dynamic allocate vq data stores vDPA/ifcvf: detect and report max allowed vq size vDPA/ifcvf: implement new accessors for vq_state .../device_drivers/ethernet/amd/pds_vdpa.rst | 85 +++ .../networking/device_drivers/ethernet/index.rst | 1 + MAINTAINERS | 4 + drivers/bluetooth/virtio_bt.c | 1 + drivers/char/virtio_console.c | 1 + drivers/crypto/...

...d > * @driver: device driver structure > + * @id_table: the ids serviced by this driver > */ > struct mdev_driver { > const char *name; > int (*probe) (struct device *dev); > void (*remove) (struct device *dev); > struct device_driver driver; > + const struct mdev_class_id *id_table; > }; > > A mediated bus driver for mdev should use this structure in the function calls > @@ -165,6 +167,7 @@ register itself with the mdev core driver:: > extern int mdev_register_device(struct device *dev, &gt...

...ns(+) > > diff --git a/drivers/vfio/mdev/mdev_driver.c b/drivers/vfio/mdev/mdev_driver.c > index b7c40ce86ee3..319d886ffaf7 100644 > --- a/drivers/vfio/mdev/mdev_driver.c > +++ b/drivers/vfio/mdev/mdev_driver.c > @@ -82,9 +82,17 @@ static int mdev_match(struct device *dev, struct device_driver *drv) > return 0; > } > > +static int mdev_uevent(struct device *dev, struct kobj_uevent_env *env) > +{ > + struct mdev_device *mdev = to_mdev_device(dev); > + > + return add_uevent_var(env, "MODALIAS=mdev:c%02X", mdev->class_id); > +} > + > struc...

...* @id_table: the ids serviced by this driver > >> */ > >> struct mdev_driver { > >> const char *name; > >> int (*probe) (struct device *dev); > >> void (*remove) (struct device *dev); > >> struct device_driver driver; > >> + const struct mdev_class_id *id_table; > >> }; > >> > >> A mediated bus driver for mdev should use this structure in the function calls > >> @@ -170,6 +172,9 @@ that a driver should use to unregister itself with the mdev...

...* @id_table: the ids serviced by this driver > >> */ > >> struct mdev_driver { > >> const char *name; > >> int (*probe) (struct device *dev); > >> void (*remove) (struct device *dev); > >> struct device_driver driver; > >> + const struct mdev_class_id *id_table; > >> }; > >> > >> A mediated bus driver for mdev should use this structure in the function calls > >> @@ -170,6 +172,9 @@ that a driver should use to unregister itself with the mdev...

...d > * @driver: device driver structure > + * @id_table: the ids serviced by this driver > */ > struct mdev_driver { > const char *name; > int (*probe) (struct device *dev); > void (*remove) (struct device *dev); > struct device_driver driver; > + const struct mdev_class_id *id_table; > }; > > A mediated bus driver for mdev should use this structure in the function > calls > @@ -165,6 +167,7 @@ register itself with the mdev core driver:: > extern int mdev_register_device(struct device *dev,...