| Message ID | 1437643598-19795-4-git-send-email-marc.zyngier@arm.com (mailing list archive) |
|---|---|
| State | New, archived |
| Delegated to: | Bjorn Helgaas |
| Headers | show |
On 07/23/2015 05:26 PM, Marc Zyngier wrote: > As MSI-type features are creeping into non-PCI devices, it is > starting to make sense to give our struct device some form of > support for this, by allowing a pointer to an MSI irq domain to > be set/retrieved. > > Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> > --- > include/linux/device.h | 20 ++++++++++++++++++++ > 1 file changed, 20 insertions(+) > > diff --git a/include/linux/device.h b/include/linux/device.h > index 22227e7..7c49b48 100644 > --- a/include/linux/device.h > +++ b/include/linux/device.h > @@ -714,6 +714,7 @@ struct device_dma_parameters { > * @pins: For device pin management. > * See Documentation/pinctrl.txt for details. > * @msi_list: Hosts MSI descriptors > + * @msi_domain: The generic MSI domain this device is using. > * @numa_node: NUMA node this device is close to. > * @dma_mask: Dma mask (if dma'ble device). > * @coherent_dma_mask: Like dma_mask, but for alloc_coherent mapping as not all > @@ -774,6 +775,9 @@ struct device { > struct dev_pm_info power; > struct dev_pm_domain *pm_domain; > > +#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN > + struct irq_domain *msi_domain; /* MSI domain device uses */ > +#endif > #ifdef CONFIG_PINCTRL > struct dev_pin_info *pins; > #endif > @@ -864,6 +868,22 @@ static inline void set_dev_node(struct device *dev, int node) > } > #endif > > +static inline struct irq_domain *dev_get_msi_domain(const struct device *dev) > +{ > +#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN > + return dev->msi_domain; > +#else > + return NULL; > +#endif > +} > + > +static inline void dev_set_msi_domain(struct device *dev, struct irq_domain *d) > +{ > +#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN > + dev->msi_domain = d; > +#endif > +} > + > static inline void *dev_get_drvdata(const struct device *dev) > { > return dev->driver_data; Reviewed-by: Hanjun Guo <hanjun.guo@linaro.org> Thanks Hanjun -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/include/linux/device.h b/include/linux/device.h index 22227e7..7c49b48 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -714,6 +714,7 @@ struct device_dma_parameters { * @pins: For device pin management. * See Documentation/pinctrl.txt for details. * @msi_list: Hosts MSI descriptors + * @msi_domain: The generic MSI domain this device is using. * @numa_node: NUMA node this device is close to. * @dma_mask: Dma mask (if dma'ble device). * @coherent_dma_mask: Like dma_mask, but for alloc_coherent mapping as not all @@ -774,6 +775,9 @@ struct device { struct dev_pm_info power; struct dev_pm_domain *pm_domain; +#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN + struct irq_domain *msi_domain; /* MSI domain device uses */ +#endif #ifdef CONFIG_PINCTRL struct dev_pin_info *pins; #endif @@ -864,6 +868,22 @@ static inline void set_dev_node(struct device *dev, int node) } #endif +static inline struct irq_domain *dev_get_msi_domain(const struct device *dev) +{ +#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN + return dev->msi_domain; +#else + return NULL; +#endif +} + +static inline void dev_set_msi_domain(struct device *dev, struct irq_domain *d) +{ +#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN + dev->msi_domain = d; +#endif +} + static inline void *dev_get_drvdata(const struct device *dev) { return dev->driver_data;
As MSI-type features are creeping into non-PCI devices, it is starting to make sense to give our struct device some form of support for this, by allowing a pointer to an MSI irq domain to be set/retrieved. Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> --- include/linux/device.h | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+)