[PATCH v4 08/21] xen/passthrough: vtd: iommu_set_hwdom_mapping is VTD specific

[Julien Grall <julien.grall@linaro.org>]

This function was exported in common header. Rename it and move the declaration
in drivers/passtrough/vtd/extern.h

Signed-off-by: Julien Grall <julien.grall@linaro.org>
Cc: Xiantao Zhang <xiantao.zhang@intel.com>
Cc: Jan Beulich <jbeulich@suse.com>

---
    Changes in v4:
        - Patch added
---
 xen/drivers/passthrough/vtd/extern.h  |    2 ++
 xen/drivers/passthrough/vtd/iommu.c   |    2 +-
 xen/drivers/passthrough/vtd/x86/vtd.c |    2 +-
 xen/include/xen/iommu.h               |    1 -
 4 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/xen/drivers/passthrough/vtd/extern.h b/xen/drivers/passthrough/vtd/extern.h
index 14cd90e..823420d 100644
--- a/xen/drivers/passthrough/vtd/extern.h
+++ b/xen/drivers/passthrough/vtd/extern.h
@@ -103,4 +103,6 @@ void pci_vtd_quirk(struct pci_dev *pdev);
 int platform_supports_intremap(void);
 int platform_supports_x2apic(void);
 
+void iommu_vtd_set_hwdom_mapping(struct domain *d);
+
 #endif // _VTD_EXTERN_H_
diff --git a/xen/drivers/passthrough/vtd/iommu.c b/xen/drivers/passthrough/vtd/iommu.c
index c94b0d1..081fe97 100644
--- a/xen/drivers/passthrough/vtd/iommu.c
+++ b/xen/drivers/passthrough/vtd/iommu.c
@@ -1249,7 +1249,7 @@ static void __hwdom_init intel_iommu_hwdom_init(struct domain *d)
     if ( !iommu_passthrough && !need_iommu(d) )
     {
         /* Set up 1:1 page table for dom0 */
-        iommu_set_hwdom_mapping(d);
+        iommu_vtd_set_hwdom_mapping(d);
     }
 
     setup_hwdom_pci_devices(d, setup_hwdom_device);
diff --git a/xen/drivers/passthrough/vtd/x86/vtd.c b/xen/drivers/passthrough/vtd/x86/vtd.c
index 218e223..7196c82 100644
--- a/xen/drivers/passthrough/vtd/x86/vtd.c
+++ b/xen/drivers/passthrough/vtd/x86/vtd.c
@@ -107,7 +107,7 @@ void hvm_dpci_isairq_eoi(struct domain *d, unsigned int isairq)
     spin_unlock(&d->event_lock);
 }
 
-void __hwdom_init iommu_set_hwdom_mapping(struct domain *d)
+void __hwdom_init iommu_vtd_set_hwdom_mapping(struct domain *d)
 {
     unsigned long i, j, tmp, top;
 
diff --git a/xen/include/xen/iommu.h b/xen/include/xen/iommu.h
index f8da9f2..1fd8fb9 100644
--- a/xen/include/xen/iommu.h
+++ b/xen/include/xen/iommu.h
@@ -127,7 +127,6 @@ void iommu_suspend(void);
 void iommu_resume(void);
 void iommu_crash_shutdown(void);
 
-void iommu_set_hwdom_mapping(struct domain *d);
 void iommu_share_p2m_table(struct domain *d);
 
 int iommu_do_domctl(struct xen_domctl *, struct domain *d,
-- 
1.7.10.4