[SPARC64]: Beginnings of SUN4V PCI controller support.
Abstract out IOMMU operations so that we can have a different
set of calls on sun4v, which needs to do things through
hypervisor calls.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/arch/sparc64/kernel/pci.c b/arch/sparc64/kernel/pci.c
index 2ff7c32..95ffa94 100644
--- a/arch/sparc64/kernel/pci.c
+++ b/arch/sparc64/kernel/pci.c
@@ -188,6 +188,7 @@
extern void schizo_init(int, char *);
extern void schizo_plus_init(int, char *);
extern void tomatillo_init(int, char *);
+extern void sun4v_pci_init(int, char *);
static struct {
char *model_name;
@@ -204,6 +205,7 @@
{ "pci108e,8002", schizo_plus_init },
{ "SUNW,tomatillo", tomatillo_init },
{ "pci108e,a801", tomatillo_init },
+ { "SUNW,sun4v-pci", sun4v_pci_init },
};
#define PCI_NUM_CONTROLLER_TYPES (sizeof(pci_controller_table) / \
sizeof(pci_controller_table[0]))
@@ -283,6 +285,12 @@
return pci_controller_scan(pci_is_controller);
}
+struct pci_iommu_ops *pci_iommu_ops;
+EXPORT_SYMBOL(pci_iommu_ops);
+
+extern struct pci_iommu_ops pci_sun4u_iommu_ops,
+ pci_sun4v_iommu_ops;
+
/* Find each controller in the system, attach and initialize
* software state structure for each and link into the
* pci_controller_root. Setup the controller enough such
@@ -290,6 +298,11 @@
*/
static void __init pci_controller_probe(void)
{
+ if (tlb_type == hypervisor)
+ pci_iommu_ops = &pci_sun4v_iommu_ops;
+ else
+ pci_iommu_ops = &pci_sun4u_iommu_ops;
+
printk("PCI: Probing for controllers.\n");
pci_controller_scan(pci_controller_init);