1 files changed, 31 insertions, 0 deletions

diff --git a/arch/sparc64/kernel/pci_impl.h b/arch/sparc64/kernel/pci_impl.h
index f660c2b685eb..ccbb188f2e61 100644
--- a/arch/sparc64/kernel/pci_impl.h
+++ b/arch/sparc64/kernel/pci_impl.h
@@ -29,6 +29,33 @@
 #define PCI_STC_FLUSHFLAG_SET(STC) \
         (*((STC)->strbuf_flushflag) != 0UL)
 
+#ifdef CONFIG_PCI_MSI
+struct pci_pbm_info;
+struct sparc64_msiq_ops {
+        int (*get_head)(struct pci_pbm_info *pbm, unsigned long msiqid,
+                        unsigned long *head);
+        int (*dequeue_msi)(struct pci_pbm_info *pbm, unsigned long msiqid,
+                           unsigned long *head, unsigned long *msi);
+        int (*set_head)(struct pci_pbm_info *pbm, unsigned long msiqid,
+                        unsigned long head);
+        int (*msi_setup)(struct pci_pbm_info *pbm, unsigned long msiqid,
+                         unsigned long msi, int is_msi64);
+        int (*msi_teardown)(struct pci_pbm_info *pbm, unsigned long msi);
+        int (*msiq_alloc)(struct pci_pbm_info *pbm);
+        void (*msiq_free)(struct pci_pbm_info *pbm);
+        int (*msiq_build_irq)(struct pci_pbm_info *pbm, unsigned long msiqid,
+                              unsigned long devino);
+};
+
+extern void sparc64_pbm_msi_init(struct pci_pbm_info *pbm,
+                                 const struct sparc64_msiq_ops *ops);
+
+struct sparc64_msiq_cookie {
+        struct pci_pbm_info *pbm;
+        unsigned long msiqid;
+};
+#endif
+
 struct pci_controller_info;
 
 struct pci_pbm_info {
@@ -90,6 +117,8 @@ struct pci_pbm_info {
         u32                             msiq_ent_count;
         u32                             msiq_first;
         u32                             msiq_first_devino;
+        u32                             msiq_rotor;
+        struct sparc64_msiq_cookie      *msiq_irq_cookies;
         u32                             msi_num;
         u32                             msi_first;
         u32                             msi_data_mask;
@@ -100,9 +129,11 @@ struct pci_pbm_info {
         u32                             msi64_len;
         void                            *msi_queues;
         unsigned long                   *msi_bitmap;
+        unsigned int                    *msi_irq_table;
         int (*setup_msi_irq)(unsigned int *virt_irq_p, struct pci_dev *pdev,
                              struct msi_desc *entry);
         void (*teardown_msi_irq)(unsigned int virt_irq, struct pci_dev *pdev);
+        const struct sparc64_msiq_ops   *msi_ops;
 #endif /* !(CONFIG_PCI_MSI) */
 
         /* This PBM's streaming buffer. */