[PATCH v2 1/3] arm-smmu: move MSI_IOVA macro definitions

[Shyam Saini <shyamsaini@linux.microsoft.com>]

MSI_IOVA* are common among different iommu/smu drivers,
so move them to common iommu.h header file.

Suggested-by: Jacob Pan <jacob.pan@linux.microsoft.com>
Signed-off-by: Shyam Saini <shyamsaini@linux.microsoft.com>
---
 drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h | 3 ---
 drivers/iommu/arm/arm-smmu/arm-smmu.c       | 3 ---
 drivers/iommu/virtio-iommu.c                | 2 --
 include/linux/iommu.h                       | 3 +++
 4 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
index bd9d7c85576a..d1713f6bbe6d 100644
--- a/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
+++ b/drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h
@@ -502,9 +502,6 @@ static inline unsigned int arm_smmu_cdtab_l2_idx(unsigned int ssid)
 #define ARM_SMMU_POLL_TIMEOUT_US	1000000 /* 1s! */
 #define ARM_SMMU_POLL_SPIN_COUNT	10
 
-#define MSI_IOVA_BASE			0x8000000
-#define MSI_IOVA_LENGTH			0x100000
-
 enum pri_resp {
 	PRI_RESP_DENY = 0,
 	PRI_RESP_FAIL = 1,
diff --git a/drivers/iommu/arm/arm-smmu/arm-smmu.c b/drivers/iommu/arm/arm-smmu/arm-smmu.c
index 8f439c265a23..a54dc4608c62 100644
--- a/drivers/iommu/arm/arm-smmu/arm-smmu.c
+++ b/drivers/iommu/arm/arm-smmu/arm-smmu.c
@@ -50,9 +50,6 @@
  */
 #define QCOM_DUMMY_VAL -1
 
-#define MSI_IOVA_BASE			0x8000000
-#define MSI_IOVA_LENGTH			0x100000
-
 static int force_stage;
 module_param(force_stage, int, S_IRUGO);
 MODULE_PARM_DESC(force_stage,
diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c
index b85ce6310ddb..8c8783c8b31b 100644
--- a/drivers/iommu/virtio-iommu.c
+++ b/drivers/iommu/virtio-iommu.c
@@ -24,8 +24,6 @@
 
 #include "dma-iommu.h"
 
-#define MSI_IOVA_BASE			0x8000000
-#define MSI_IOVA_LENGTH			0x100000
 
 #define VIOMMU_REQUEST_VQ		0
 #define VIOMMU_EVENT_VQ			1
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index cf8c16ba04a0..8d38d85f23f1 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -1530,6 +1530,9 @@ static inline void iommu_debugfs_setup(void) {}
 #endif
 
 #ifdef CONFIG_IOMMU_DMA
+#define MSI_IOVA_BASE        0x8000000
+#define MSI_IOVA_LENGTH      0x100000
+
 int iommu_get_msi_cookie(struct iommu_domain *domain, dma_addr_t base);
 #else /* CONFIG_IOMMU_DMA */
 static inline int iommu_get_msi_cookie(struct iommu_domain *domain, dma_addr_t base)
-- 
2.34.1