X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=include%2Flinux%2Fmsi.h;h=d48e919d55ae71970eb53459ddc1bb580a2fcd44;hb=d9351ea14ddca708d3cb384f828af4bf82fcc772;hp=7e9b81c3b50d923f9a4c41d24215e3f0683ad425;hpb=fa4bff165070dc40a3de35b78e4f8da8e8d85ec5;p=platform%2Fkernel%2Flinux-starfive.git diff --git a/include/linux/msi.h b/include/linux/msi.h index 7e9b81c..d48e919 100644 --- a/include/linux/msi.h +++ b/include/linux/msi.h @@ -48,6 +48,14 @@ struct fsl_mc_msi_desc { }; /** + * ti_sci_inta_msi_desc - TISCI based INTA specific msi descriptor data + * @dev_index: TISCI device index + */ +struct ti_sci_inta_msi_desc { + u16 dev_index; +}; + +/** * struct msi_desc - Descriptor structure for MSI based interrupts * @list: List head for management * @irq: The base interrupt number @@ -68,6 +76,7 @@ struct fsl_mc_msi_desc { * @mask_base: [PCI MSI-X] Mask register base address * @platform: [platform] Platform device specific msi descriptor data * @fsl_mc: [fsl-mc] FSL MC device specific msi descriptor data + * @inta: [INTA] TISCI based INTA specific msi descriptor data */ struct msi_desc { /* Shared device/bus type independent data */ @@ -77,6 +86,9 @@ struct msi_desc { struct device *dev; struct msi_msg msg; struct irq_affinity_desc *affinity; +#ifdef CONFIG_IRQ_MSI_IOMMU + const void *iommu_cookie; +#endif union { /* PCI MSI/X specific data */ @@ -106,6 +118,7 @@ struct msi_desc { */ struct platform_msi_desc platform; struct fsl_mc_msi_desc fsl_mc; + struct ti_sci_inta_msi_desc inta; }; }; @@ -119,6 +132,29 @@ struct msi_desc { #define for_each_msi_entry_safe(desc, tmp, dev) \ list_for_each_entry_safe((desc), (tmp), dev_to_msi_list((dev)), list) +#ifdef CONFIG_IRQ_MSI_IOMMU +static inline const void *msi_desc_get_iommu_cookie(struct msi_desc *desc) +{ + return desc->iommu_cookie; +} + +static inline void msi_desc_set_iommu_cookie(struct msi_desc *desc, + const void *iommu_cookie) +{ + desc->iommu_cookie = iommu_cookie; +} +#else +static inline const void *msi_desc_get_iommu_cookie(struct msi_desc *desc) +{ + return NULL; +} + +static inline void msi_desc_set_iommu_cookie(struct msi_desc *desc, + const void *iommu_cookie) +{ +} +#endif + #ifdef CONFIG_PCI_MSI #define first_pci_msi_entry(pdev) first_msi_entry(&(pdev)->dev) #define for_each_pci_msi_entry(desc, pdev) \ @@ -148,24 +184,6 @@ u32 __pci_msi_desc_mask_irq(struct msi_desc *desc, u32 mask, u32 flag); void pci_msi_mask_irq(struct irq_data *data); void pci_msi_unmask_irq(struct irq_data *data); -/* Conversion helpers. Should be removed after merging */ -static inline void __write_msi_msg(struct msi_desc *entry, struct msi_msg *msg) -{ - __pci_write_msi_msg(entry, msg); -} -static inline void write_msi_msg(int irq, struct msi_msg *msg) -{ - pci_write_msi_msg(irq, msg); -} -static inline void mask_msi_irq(struct irq_data *data) -{ - pci_msi_mask_irq(data); -} -static inline void unmask_msi_irq(struct irq_data *data) -{ - pci_msi_unmask_irq(data); -} - /* * The arch hooks to setup up msi irqs. Those functions are * implemented as weak symbols so that they /can/ be overriden by