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path: root/arch/ia64/sn/pci/pcibr/pcibr_provider.c
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Diffstat (limited to 'arch/ia64/sn/pci/pcibr/pcibr_provider.c')
-rw-r--r--arch/ia64/sn/pci/pcibr/pcibr_provider.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_provider.c b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
index 98f716bd92f..ab1211ef017 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_provider.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
@@ -74,6 +74,22 @@ static int sal_pcibr_error_interrupt(struct pcibus_info *soft)
return (int)ret_stuff.v0;
}
+u16 sn_ioboard_to_pci_bus(struct pci_bus *pci_bus)
+{
+ s64 rc;
+ u16 ioboard;
+ nasid_t nasid = NASID_GET(SN_PCIBUS_BUSSOFT(pci_bus)->bs_base);
+
+ rc = ia64_sn_sysctl_ioboard_get(nasid, &ioboard);
+ if (rc) {
+ printk(KERN_WARNING "ia64_sn_sysctl_ioboard_get failed: %ld\n",
+ rc);
+ return 0;
+ }
+
+ return ioboard;
+}
+
/*
* PCI Bridge Error interrupt handler. Gets invoked whenever a PCI
* bridge sends an error interrupt.
@@ -255,3 +271,4 @@ pcibr_init_provider(void)
EXPORT_SYMBOL_GPL(sal_pcibr_slot_enable);
EXPORT_SYMBOL_GPL(sal_pcibr_slot_disable);
+EXPORT_SYMBOL_GPL(sn_ioboard_to_pci_bus);