search for: tce_iommu_bus_notifier_init

...;linux/rculist.h> +#include <linux/virtio.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/rtas.h> @@ -1396,3 +1397,13 @@ static int __init disable_multitce(char *str) __setup("multitce=", disable_multitce); machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); + +bool platform_forces_virtio_dma(struct virtio_device *vdev) +{ + /* + * On protected guest platforms, force virtio core to use DMA + * MAP API for all virtio devices. But there can also be some + * exceptions for individual devices like virtio balloon. + */ + return (of_find_compatible_nod...

...;linux/rculist.h> +#include <linux/virtio.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/rtas.h> @@ -1396,3 +1397,13 @@ static int __init disable_multitce(char *str) __setup("multitce=", disable_multitce); machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); + +bool platform_forces_virtio_dma(struct virtio_device *vdev) +{ + /* + * On protected guest platforms, force virtio core to use DMA + * MAP API for all virtio devices. But there can also be some + * exceptions for individual devices like virtio balloon. + */ + return (of_find_compatible_nod...

...s/iommu.c index 06f02960b439..dd15fbddbe89 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -1396,3 +1396,9 @@ static int __init disable_multitce(char *str) __setup("multitce=", disable_multitce); machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); + +bool is_virtio_dma_platform(void) +{ + return true; +} +EXPORT_SYMBOL(is_virtio_dma_platform); diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 71458f493cf8..9f205a79d378 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -144,6 +144,1...

...s/iommu.c index 06f02960b439..dd15fbddbe89 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -1396,3 +1396,9 @@ static int __init disable_multitce(char *str) __setup("multitce=", disable_multitce); machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); + +bool is_virtio_dma_platform(void) +{ + return true; +} +EXPORT_SYMBOL(is_virtio_dma_platform); diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c index 71458f493cf8..9f205a79d378 100644 --- a/drivers/virtio/virtio_ring.c +++ b/drivers/virtio/virtio_ring.c @@ -144,6 +144,1...

...ude <asm/io.h> > > #include <asm/prom.h> > > #include <asm/rtas.h> > > @@ -1396,3 +1397,13 @@ static int __init disable_multitce(char *str) > > __setup("multitce=", disable_multitce); > > > > machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); > > + > > +bool platform_forces_virtio_dma(struct virtio_device *vdev) > > +{ > > + /* > > + * On protected guest platforms, force virtio core to use DMA > > + * MAP API for all virtio devices. But there can also be some > > + * exceptions for individu...

...ude <asm/io.h> > > #include <asm/prom.h> > > #include <asm/rtas.h> > > @@ -1396,3 +1397,13 @@ static int __init disable_multitce(char *str) > > __setup("multitce=", disable_multitce); > > > > machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); > > + > > +bool platform_forces_virtio_dma(struct virtio_device *vdev) > > +{ > > + /* > > + * On protected guest platforms, force virtio core to use DMA > > + * MAP API for all virtio devices. But there can also be some > > + * exceptions for individu...

...;linux/virtio.h> > #include <asm/io.h> > #include <asm/prom.h> > #include <asm/rtas.h> > @@ -1396,3 +1397,8 @@ static int __init disable_multitce(char *str) > __setup("multitce=", disable_multitce); > > machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); > + > +void platform_override_dma_ops(struct virtio_device *vdev) > +{ > + /* Override vdev->parent.dma_ops if required */ > +} > diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c > index 6b13987..432c332 100644 > --- a/drivers/virtio/virtio.c > +++ b/dr...

...;linux/virtio.h> > #include <asm/io.h> > #include <asm/prom.h> > #include <asm/rtas.h> > @@ -1396,3 +1397,8 @@ static int __init disable_multitce(char *str) > __setup("multitce=", disable_multitce); > > machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); > + > +void platform_override_dma_ops(struct virtio_device *vdev) > +{ > + /* Override vdev->parent.dma_ops if required */ > +} > diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c > index 6b13987..432c332 100644 > --- a/drivers/virtio/virtio.c > +++ b/dr...

...rom.h> > > > > #include <asm/rtas.h> > > > > @@ -1396,3 +1397,13 @@ static int __init disable_multitce(char *str) > > > > __setup("multitce=", disable_multitce); > > > > > > > > machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); > > > > + > > > > +bool platform_forces_virtio_dma(struct virtio_device *vdev) > > > > +{ > > > > + /* > > > > + * On protected guest platforms, force virtio core to use DMA > > > > + * MAP API for all virtio devices. But t...

...rom.h> > > > > #include <asm/rtas.h> > > > > @@ -1396,3 +1397,13 @@ static int __init disable_multitce(char *str) > > > > __setup("multitce=", disable_multitce); > > > > > > > > machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); > > > > + > > > > +bool platform_forces_virtio_dma(struct virtio_device *vdev) > > > > +{ > > > > + /* > > > > + * On protected guest platforms, force virtio core to use DMA > > > > + * MAP API for all virtio devices. But t...

On 05/24/2018 12:51 PM, Ram Pai wrote: > On Wed, May 23, 2018 at 09:50:02PM +0300, Michael S. Tsirkin wrote: >> subj: s/virito/virtio/ >> > ..snip.. >>> machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); >>> + >>> +bool platform_forces_virtio_dma(struct virtio_device *vdev) >>> +{ >>> + /* >>> + * On protected guest platforms, force virtio core to use DMA >>> + * MAP API for all virtio devices. But there can also be some >>> + * ex...

.....dd15fbddbe89 100644 > --- a/arch/powerpc/platforms/pseries/iommu.c > +++ b/arch/powerpc/platforms/pseries/iommu.c > @@ -1396,3 +1396,9 @@ static int __init disable_multitce(char *str) > __setup("multitce=", disable_multitce); > > machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); > + > +bool is_virtio_dma_platform(void) > +{ > + return true; > +} > +EXPORT_SYMBOL(is_virtio_dma_platform); > diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c > index 71458f493cf8..9f205a79d378 100644 > --- a/drivers/virtio/virtio_ring.c...

...t;linux/rculist.h> +#include <linux/virtio.h> #include <asm/io.h> #include <asm/prom.h> #include <asm/rtas.h> @@ -1396,3 +1397,8 @@ static int __init disable_multitce(char *str) __setup("multitce=", disable_multitce); machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); + +void platform_override_dma_ops(struct virtio_device *vdev) +{ + /* Override vdev->parent.dma_ops if required */ +} diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c index 6b13987..432c332 100644 --- a/drivers/virtio/virtio.c +++ b/drivers/virtio/virtio.c @@ -168,6 +168,12 @@ EX...

...> #include <asm/prom.h> > > > #include <asm/rtas.h> > > > @@ -1396,3 +1397,13 @@ static int __init disable_multitce(char *str) > > > __setup("multitce=", disable_multitce); > > > > > > machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); > > > + > > > +bool platform_forces_virtio_dma(struct virtio_device *vdev) > > > +{ > > > + /* > > > + * On protected guest platforms, force virtio core to use DMA > > > + * MAP API for all virtio devices. But there can also be some > &gt...

...> #include <asm/prom.h> > > > #include <asm/rtas.h> > > > @@ -1396,3 +1397,13 @@ static int __init disable_multitce(char *str) > > > __setup("multitce=", disable_multitce); > > > > > > machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); > > > + > > > +bool platform_forces_virtio_dma(struct virtio_device *vdev) > > > +{ > > > + /* > > > + * On protected guest platforms, force virtio core to use DMA > > > + * MAP API for all virtio devices. But there can also be some > &gt...

...linux/virtio.h> > #include <asm/io.h> > #include <asm/prom.h> > #include <asm/rtas.h> > @@ -1396,3 +1397,13 @@ static int __init disable_multitce(char *str) > __setup("multitce=", disable_multitce); > > machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); > + > +bool platform_forces_virtio_dma(struct virtio_device *vdev) > +{ > + /* > + * On protected guest platforms, force virtio core to use DMA > + * MAP API for all virtio devices. But there can also be some > + * exceptions for individual devices like virtio balloon. &gt...

...#include <asm/io.h> >> #include <asm/prom.h> >> #include <asm/rtas.h> >> @@ -1396,3 +1397,8 @@ static int __init disable_multitce(char *str) >> __setup("multitce=", disable_multitce); >> >> machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); >> + >> +void platform_override_dma_ops(struct virtio_device *vdev) >> +{ >> + /* Override vdev->parent.dma_ops if required */ >> +} >> diff --git a/drivers/virtio/virtio.c b/drivers/virtio/virtio.c >> index 6b13987..432c332 100644 >> --- a/drive...

...> > #include <asm/rtas.h> > > > > > @@ -1396,3 +1397,13 @@ static int __init disable_multitce(char *str) > > > > > __setup("multitce=", disable_multitce); > > > > > > > > > > machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); > > > > > + > > > > > +bool platform_forces_virtio_dma(struct virtio_device *vdev) > > > > > +{ > > > > > + /* > > > > > + * On protected guest platforms, force virtio core to use DMA > > > > > + * MAP API...

...rom.h> > > > > #include <asm/rtas.h> > > > > @@ -1396,3 +1397,13 @@ static int __init disable_multitce(char *str) > > > > __setup("multitce=", disable_multitce); > > > > > > > > machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); > > > > + > > > > +bool platform_forces_virtio_dma(struct virtio_device *vdev) > > > > +{ > > > > + /* > > > > + * On protected guest platforms, force virtio core to use DMA > > > > + * MAP API for all virtio devices. But t...

...rom.h> > > > > #include <asm/rtas.h> > > > > @@ -1396,3 +1397,13 @@ static int __init disable_multitce(char *str) > > > > __setup("multitce=", disable_multitce); > > > > > > > > machine_subsys_initcall_sync(pseries, tce_iommu_bus_notifier_init); > > > > + > > > > +bool platform_forces_virtio_dma(struct virtio_device *vdev) > > > > +{ > > > > + /* > > > > + * On protected guest platforms, force virtio core to use DMA > > > > + * MAP API for all virtio devices. But t...