[PATCH v4 07/21] xen/passthrough: amd: rename iommu_has_feature into amd_iommu_has_feature

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

This function is AMD specific and the name will clash with a newly function
added in the IOMMU framework.

Signed-off-by: Julien Grall <julien.grall@linaro.org>
Cc: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Cc: Jan Beulich <jbeulich@suse.com>
---
 xen/drivers/passthrough/amd/iommu_detect.c    |    2 +-
 xen/drivers/passthrough/amd/iommu_init.c      |   16 ++++++++--------
 xen/include/asm-x86/hvm/svm/amd-iommu-proto.h |    2 +-
 3 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/xen/drivers/passthrough/amd/iommu_detect.c b/xen/drivers/passthrough/amd/iommu_detect.c
index be1b761..98e5cc2 100644
--- a/xen/drivers/passthrough/amd/iommu_detect.c
+++ b/xen/drivers/passthrough/amd/iommu_detect.c
@@ -95,7 +95,7 @@ void __init get_iommu_features(struct amd_iommu *iommu)
 
     while ( feature_str[i] )
     {
-        if ( iommu_has_feature(iommu, i) )
+        if ( amd_iommu_has_feature(iommu, i) )
             printk( " %s\n", feature_str[i]);
         i++;
     }
diff --git a/xen/drivers/passthrough/amd/iommu_init.c b/xen/drivers/passthrough/amd/iommu_init.c
index 6ae44d9..b2f74ef 100644
--- a/xen/drivers/passthrough/amd/iommu_init.c
+++ b/xen/drivers/passthrough/amd/iommu_init.c
@@ -884,7 +884,7 @@ static void enable_iommu(struct amd_iommu *iommu)
     register_iommu_event_log_in_mmio_space(iommu);
     register_iommu_exclusion_range(iommu);
 
-    if ( iommu_has_feature(iommu, IOMMU_EXT_FEATURE_PPRSUP_SHIFT) )
+    if ( amd_iommu_has_feature(iommu, IOMMU_EXT_FEATURE_PPRSUP_SHIFT) )
         register_iommu_ppr_log_in_mmio_space(iommu);
 
     desc = irq_to_desc(iommu->msi.irq);
@@ -898,15 +898,15 @@ static void enable_iommu(struct amd_iommu *iommu)
     set_iommu_command_buffer_control(iommu, IOMMU_CONTROL_ENABLED);
     set_iommu_event_log_control(iommu, IOMMU_CONTROL_ENABLED);
 
-    if ( iommu_has_feature(iommu, IOMMU_EXT_FEATURE_PPRSUP_SHIFT) )
+    if ( amd_iommu_has_feature(iommu, IOMMU_EXT_FEATURE_PPRSUP_SHIFT) )
         set_iommu_ppr_log_control(iommu, IOMMU_CONTROL_ENABLED);
 
-    if ( iommu_has_feature(iommu, IOMMU_EXT_FEATURE_GTSUP_SHIFT) )
+    if ( amd_iommu_has_feature(iommu, IOMMU_EXT_FEATURE_GTSUP_SHIFT) )
         set_iommu_guest_translation_control(iommu, IOMMU_CONTROL_ENABLED);
 
     set_iommu_translation_control(iommu, IOMMU_CONTROL_ENABLED);
 
-    if ( iommu_has_feature(iommu, IOMMU_EXT_FEATURE_IASUP_SHIFT) )
+    if ( amd_iommu_has_feature(iommu, IOMMU_EXT_FEATURE_IASUP_SHIFT) )
         amd_iommu_flush_all_caches(iommu);
 
     iommu->enabled = 1;
@@ -1009,7 +1009,7 @@ static int __init amd_iommu_init_one(struct amd_iommu *iommu)
     if ( allocate_event_log(iommu) == NULL )
         goto error_out;
 
-    if ( iommu_has_feature(iommu, IOMMU_EXT_FEATURE_PPRSUP_SHIFT) )
+    if ( amd_iommu_has_feature(iommu, IOMMU_EXT_FEATURE_PPRSUP_SHIFT) )
         if ( allocate_ppr_log(iommu) == NULL )
             goto error_out;
 
@@ -1283,10 +1283,10 @@ static void disable_iommu(struct amd_iommu *iommu)
     set_iommu_command_buffer_control(iommu, IOMMU_CONTROL_DISABLED);
     set_iommu_event_log_control(iommu, IOMMU_CONTROL_DISABLED);
 
-    if ( iommu_has_feature(iommu, IOMMU_EXT_FEATURE_PPRSUP_SHIFT) )
+    if ( amd_iommu_has_feature(iommu, IOMMU_EXT_FEATURE_PPRSUP_SHIFT) )
         set_iommu_ppr_log_control(iommu, IOMMU_CONTROL_DISABLED);
 
-    if ( iommu_has_feature(iommu, IOMMU_EXT_FEATURE_GTSUP_SHIFT) )
+    if ( amd_iommu_has_feature(iommu, IOMMU_EXT_FEATURE_GTSUP_SHIFT) )
         set_iommu_guest_translation_control(iommu, IOMMU_CONTROL_DISABLED);
 
     set_iommu_translation_control(iommu, IOMMU_CONTROL_DISABLED);
@@ -1356,7 +1356,7 @@ void amd_iommu_resume(void)
     }
 
     /* flush all cache entries after iommu re-enabled */
-    if ( !iommu_has_feature(iommu, IOMMU_EXT_FEATURE_IASUP_SHIFT) )
+    if ( !amd_iommu_has_feature(iommu, IOMMU_EXT_FEATURE_IASUP_SHIFT) )
     {
         invalidate_all_devices();
         invalidate_all_domain_pages();
diff --git a/xen/include/asm-x86/hvm/svm/amd-iommu-proto.h b/xen/include/asm-x86/hvm/svm/amd-iommu-proto.h
index b5abc8f..cf43e29 100644
--- a/xen/include/asm-x86/hvm/svm/amd-iommu-proto.h
+++ b/xen/include/asm-x86/hvm/svm/amd-iommu-proto.h
@@ -210,7 +210,7 @@ static inline int iommu_has_cap(struct amd_iommu *iommu, uint32_t bit)
     return !!(iommu->cap.header & (1u << bit));
 }
 
-static inline int iommu_has_feature(struct amd_iommu *iommu, uint32_t bit)
+static inline int amd_iommu_has_feature(struct amd_iommu *iommu, uint32_t bit)
 {
     if ( !iommu_has_cap(iommu, PCI_CAP_EFRSUP_SHIFT) )
         return 0;
-- 
1.7.10.4