xen: events: remove dom0 specific xen_create_msi_irq

The function name does not distinguish it from xen_allocate_pirq_msi
(which operates on domU and pvhvm domains rather than dom0).

Hoist domain 0 specific functionality up into the only caller leaving
functionality common to all guest types in xen_bind_pirq_msi_to_irq.

Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>

1 files changed, 0 insertions, 41 deletions

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 34469489087b..6befe6227159 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -644,9 +644,6 @@ out:
 }
 
 #ifdef CONFIG_PCI_MSI
-#include <linux/msi.h>
-#include "../pci/msi.h"
-
 int xen_allocate_pirq_msi(struct pci_dev *dev, struct msi_desc *msidesc)
 {
         int rc;
@@ -688,44 +685,6 @@ error_irq:
         xen_free_irq(irq);
         return -1;
 }
-
-int xen_create_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, int type)
-{
-        struct physdev_map_pirq map_irq;
-        int rc;
-        int pos;
-        u32 table_offset, bir;
-
-        memset(&map_irq, 0, sizeof(map_irq));
-        map_irq.domid = DOMID_SELF;
-        map_irq.type = MAP_PIRQ_TYPE_MSI;
-        map_irq.index = -1;
-        map_irq.pirq = -1;
-        map_irq.bus = dev->bus->number;
-        map_irq.devfn = dev->devfn;
-
-        if (type == PCI_CAP_ID_MSIX) {
-                pos = pci_find_capability(dev, PCI_CAP_ID_MSIX);
-
-                pci_read_config_dword(dev, msix_table_offset_reg(pos),
-                                        &table_offset);
-                bir = (u8)(table_offset & PCI_MSIX_FLAGS_BIRMASK);
-
-                map_irq.table_base = pci_resource_start(dev, bir);
-                map_irq.entry_nr = msidesc->msi_attrib.entry_nr;
-        }
-
-        rc = HYPERVISOR_physdev_op(PHYSDEVOP_map_pirq, &map_irq);
-        if (rc) {
-                dev_warn(&dev->dev, "xen map irq failed %d\n", rc);
-                return -1;
-        }
-
-        return xen_bind_pirq_msi_to_irq(dev, msidesc,
-                                        map_irq.pirq, map_irq.index,
-                                        (type == PCI_CAP_ID_MSIX) ?
-                                        "msi-x" : "msi");
-}
 #endif
 
 int xen_destroy_irq(int irq)