From: Marc Zyngier <marc.zyngier@arm.com> To: Bjorn Helgaas <bhelgaas@google.com>, Thomas Gleixner <tglx@linutronix.de>, Jiang Liu <jiang.liu@linux.intel.com> Cc: <linux-arm-kernel@lists.infradead.org>, <linux-pci@vger.kernel.org>, <linux-kernel@vger.kernel.org>, Will Deacon <Will.Deacon@arm.com>, Yijing Wang <wangyijing@huawei.com>, Suravee Suthikulpanit <Suravee.Suthikulpanit@amd.com> Subject: [PATCH 1/6] device core: Introduce per-device MSI domain pointer Date: Mon, 8 Dec 2014 20:12:18 +0000 [thread overview] Message-ID: <1418069543-21969-2-git-send-email-marc.zyngier@arm.com> (raw) In-Reply-To: <1418069543-21969-1-git-send-email-marc.zyngier@arm.com> 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 ce1f2160..f3aaaf6 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -690,6 +690,7 @@ struct acpi_dev_node { * along with subsystem-level and driver-level callbacks. * @pins: For device pin management. * See Documentation/pinctrl.txt for details. + * @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 @@ -750,6 +751,9 @@ 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 @@ -837,6 +841,22 @@ 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; -- 2.1.3
WARNING: multiple messages have this Message-ID (diff)
From: marc.zyngier@arm.com (Marc Zyngier) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH 1/6] device core: Introduce per-device MSI domain pointer Date: Mon, 8 Dec 2014 20:12:18 +0000 [thread overview] Message-ID: <1418069543-21969-2-git-send-email-marc.zyngier@arm.com> (raw) In-Reply-To: <1418069543-21969-1-git-send-email-marc.zyngier@arm.com> 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 ce1f2160..f3aaaf6 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -690,6 +690,7 @@ struct acpi_dev_node { * along with subsystem-level and driver-level callbacks. * @pins: For device pin management. * See Documentation/pinctrl.txt for details. + * @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 @@ -750,6 +751,9 @@ 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 @@ -837,6 +841,22 @@ 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; -- 2.1.3
next prev parent reply other threads:[~2014-12-08 20:14 UTC|newest] Thread overview: 57+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-12-08 20:12 [PATCH 0/6] Introducing per-device MSI domain Marc Zyngier 2014-12-08 20:12 ` Marc Zyngier 2014-12-08 20:12 ` Marc Zyngier [this message] 2014-12-08 20:12 ` [PATCH 1/6] device core: Introduce per-device MSI domain pointer Marc Zyngier 2014-12-08 20:12 ` [PATCH 2/6] PCI/MSI: add hooks to populate the msi_domain field Marc Zyngier 2014-12-08 20:12 ` Marc Zyngier 2014-12-09 2:03 ` Yijing Wang 2014-12-09 2:03 ` Yijing Wang 2014-12-09 10:02 ` Marc Zyngier 2014-12-09 10:02 ` Marc Zyngier 2014-12-09 10:02 ` Marc Zyngier 2014-12-09 11:57 ` Yijing Wang 2014-12-09 11:57 ` Yijing Wang 2014-12-09 11:57 ` Yijing Wang 2014-12-09 12:12 ` Marc Zyngier 2014-12-09 12:12 ` Marc Zyngier 2014-12-09 12:12 ` Marc Zyngier 2014-12-09 12:24 ` Yijing Wang 2014-12-09 12:24 ` Yijing Wang 2014-12-09 12:24 ` Yijing Wang 2014-12-09 12:47 ` Jiang Liu 2014-12-09 12:47 ` Jiang Liu 2014-12-09 12:47 ` Jiang Liu 2014-12-09 14:03 ` Marc Zyngier 2014-12-09 14:03 ` Marc Zyngier 2014-12-09 14:03 ` Marc Zyngier 2014-12-09 14:11 ` Jiang Liu 2014-12-09 14:11 ` Jiang Liu 2014-12-09 14:11 ` Jiang Liu 2014-12-09 14:27 ` Marc Zyngier 2014-12-09 14:27 ` Marc Zyngier 2014-12-09 14:27 ` Marc Zyngier 2014-12-09 14:35 ` Jiang Liu 2014-12-09 14:35 ` Jiang Liu 2014-12-09 14:35 ` Jiang Liu 2014-12-09 14:59 ` Marc Zyngier 2014-12-09 14:59 ` Marc Zyngier 2014-12-09 14:59 ` Marc Zyngier 2014-12-09 15:42 ` Jiang Liu 2014-12-09 15:42 ` Jiang Liu 2014-12-09 15:42 ` Jiang Liu 2014-12-09 12:57 ` Jiang Liu 2014-12-09 12:57 ` Jiang Liu 2015-01-27 0:40 ` Bjorn Helgaas 2015-01-27 0:40 ` Bjorn Helgaas 2015-01-27 0:43 ` Bjorn Helgaas 2015-01-27 0:43 ` Bjorn Helgaas 2014-12-08 20:12 ` [PATCH 3/6] PCI/MSI: of: add support for OF-provided msi_domain Marc Zyngier 2014-12-08 20:12 ` Marc Zyngier 2015-01-27 0:41 ` Bjorn Helgaas 2015-01-27 0:41 ` Bjorn Helgaas 2014-12-08 20:12 ` [PATCH 4/6] PCI/MSI: Let pci_msi_get_domain use struct device's msi_domain Marc Zyngier 2014-12-08 20:12 ` Marc Zyngier 2014-12-08 20:12 ` [PATCH 5/6] irqchip: GICv2m: Get rid of struct msi_controller Marc Zyngier 2014-12-08 20:12 ` Marc Zyngier 2014-12-08 20:12 ` [PATCH 6/6] irqchip: gicv3-its: " Marc Zyngier 2014-12-08 20:12 ` Marc Zyngier
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