Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/include/linux/msi.h b/include/linux/msi.h
index 5839d80..8ad679e 100644
--- a/include/linux/msi.h
+++ b/include/linux/msi.h
@@ -48,6 +48,14 @@
};
/**
+ * 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
@@ -56,6 +64,10 @@
* @msg: The last set MSI message cached for reuse
* @affinity: Optional pointer to a cpu affinity mask for this descriptor
*
+ * @write_msi_msg: Callback that may be called when the MSI message
+ * address or data changes
+ * @write_msi_msg_data: Data parameter for the callback.
+ *
* @masked: [PCI MSI/X] Mask bits
* @is_msix: [PCI MSI/X] True if MSI-X
* @multiple: [PCI MSI/X] log2 num of messages allocated
@@ -68,6 +80,7 @@
* @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 */
@@ -76,19 +89,26 @@
unsigned int nvec_used;
struct device *dev;
struct msi_msg msg;
- struct cpumask *affinity;
+ struct irq_affinity_desc *affinity;
+#ifdef CONFIG_IRQ_MSI_IOMMU
+ const void *iommu_cookie;
+#endif
+
+ void (*write_msi_msg)(struct msi_desc *entry, void *data);
+ void *write_msi_msg_data;
union {
/* PCI MSI/X specific data */
struct {
u32 masked;
struct {
- __u8 is_msix : 1;
- __u8 multiple : 3;
- __u8 multi_cap : 3;
- __u8 maskbit : 1;
- __u8 is_64 : 1;
- __u16 entry_nr;
+ u8 is_msix : 1;
+ u8 multiple : 3;
+ u8 multi_cap : 3;
+ u8 maskbit : 1;
+ u8 is_64 : 1;
+ u8 is_virtual : 1;
+ u16 entry_nr;
unsigned default_irq;
} msi_attrib;
union {
@@ -106,6 +126,7 @@
*/
struct platform_msi_desc platform;
struct fsl_mc_msi_desc fsl_mc;
+ struct ti_sci_inta_msi_desc inta;
};
};
@@ -116,6 +137,31 @@
list_first_entry(dev_to_msi_list((dev)), struct msi_desc, list)
#define for_each_msi_entry(desc, dev) \
list_for_each_entry((desc), dev_to_msi_list((dev)), list)
+#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)
@@ -136,7 +182,7 @@
#endif /* CONFIG_PCI_MSI */
struct msi_desc *alloc_msi_entry(struct device *dev, int nvec,
- const struct cpumask *affinity);
+ const struct irq_affinity_desc *affinity);
void free_msi_entry(struct msi_desc *entry);
void __pci_read_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
void __pci_write_msi_msg(struct msi_desc *entry, struct msi_msg *msg);
@@ -146,24 +192,6 @@
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
@@ -317,11 +345,18 @@
int msi_domain_populate_irqs(struct irq_domain *domain, struct device *dev,
int virq, int nvec, msi_alloc_info_t *args);
struct irq_domain *
-platform_msi_create_device_domain(struct device *dev,
- unsigned int nvec,
- irq_write_msi_msg_t write_msi_msg,
- const struct irq_domain_ops *ops,
- void *host_data);
+__platform_msi_create_device_domain(struct device *dev,
+ unsigned int nvec,
+ bool is_tree,
+ irq_write_msi_msg_t write_msi_msg,
+ const struct irq_domain_ops *ops,
+ void *host_data);
+
+#define platform_msi_create_device_domain(dev, nvec, write, ops, data) \
+ __platform_msi_create_device_domain(dev, nvec, false, write, ops, data)
+#define platform_msi_create_device_tree_domain(dev, nvec, write, ops, data) \
+ __platform_msi_create_device_domain(dev, nvec, true, write, ops, data)
+
int platform_msi_domain_alloc(struct irq_domain *domain, unsigned int virq,
unsigned int nr_irqs);
void platform_msi_domain_free(struct irq_domain *domain, unsigned int virq,