1 files changed, 53 insertions, 0 deletions

diff --git a/include/asm-parisc/iosapic.h b/include/asm-parisc/iosapic.h
new file mode 100644
index 000000000000..613390e6805c
--- /dev/null
+++ b/include/asm-parisc/iosapic.h
@@ -0,0 +1,53 @@
+/*
+** This file is private to iosapic driver.
+** If stuff needs to be used by another driver, move it to a common file.
+**
+** WARNING: fields most data structures here are ordered to make sure
+**          they pack nicely for 64-bit compilation. (ie sizeof(long) == 8)
+*/
+
+
+/*
+** I/O SAPIC init function
+** Caller knows where an I/O SAPIC is. LBA has an integrated I/O SAPIC.
+** Call setup as part of per instance initialization.
+** (ie *not* init_module() function unless only one is present.)
+** fixup_irq is to initialize PCI IRQ line support and
+** virtualize pcidev->irq value. To be called by pci_fixup_bus().
+*/
+extern void *iosapic_register(unsigned long hpa);
+extern int iosapic_fixup_irq(void *obj, struct pci_dev *pcidev);
+
+
+#ifdef __IA64__
+/*
+** PA: PIB (Processor Interrupt Block) is handled by Runway bus adapter.
+**     and is hardcoded to 0xfeeNNNN0 where NNNN is id_eid field.
+**
+** IA64: PIB is handled by "Local SAPIC" (integrated in the processor).
+*/
+struct local_sapic_info {
+        struct local_sapic_info *lsi_next;      /* point to next CPU info */
+        int                     *lsi_cpu_id;    /* point to logical CPU id */
+        unsigned long           *lsi_id_eid;    /* point to IA-64 CPU id */
+        int                     *lsi_status;    /* point to CPU status   */
+        void                    *lsi_private;   /* point to special info */
+};
+
+/*
+** "root" data structure which ties everything together.
+** Should always be able to start with sapic_root and locate
+** the desired information.
+*/
+struct sapic_info {
+        struct sapic_info       *si_next;       /* info is per cell */
+        int                     si_cellid;      /* cell id */
+        unsigned int            si_status;       /* status  */
+        char                    *si_pib_base;   /* intr blk base address */
+        local_sapic_info_t      *si_local_info;
+        io_sapic_info_t         *si_io_info;
+        extint_info_t           *si_extint_info;/* External Intr info      */
+};
+
+#endif /* IA64 */
+