[PATCH v4 01/16] iommu/amd: Pass struct iommu_dev_data to set_dte_entry()

[Vasant Hegde <vasant.hegde@amd.com>]

Pass iommu_dev_data structure instead of passing indivisual variables.

No functional changes intended.

Signed-off-by: Vasant Hegde <vasant.hegde@amd.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
---
 drivers/iommu/amd/iommu.c | 18 ++++++++----------
 1 file changed, 8 insertions(+), 10 deletions(-)

diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c
index 255ea754c0cd..474c073a422c 100644
--- a/drivers/iommu/amd/iommu.c
+++ b/drivers/iommu/amd/iommu.c
@@ -1706,12 +1706,14 @@ static int setup_gcr3_table(struct protection_domain *domain, int pasids)
 	return 0;
 }
 
-static void set_dte_entry(struct amd_iommu *iommu, u16 devid,
-			  struct protection_domain *domain, bool ats, bool ppr)
+static void set_dte_entry(struct amd_iommu *iommu,
+			  struct iommu_dev_data *dev_data)
 {
 	u64 pte_root = 0;
 	u64 flags = 0;
 	u32 old_domid;
+	u16 devid = dev_data->devid;
+	struct protection_domain *domain = dev_data->domain;
 	struct dev_table_entry *dev_table = get_dev_table(iommu);
 
 	if (domain->iop.mode != PAGE_MODE_NONE)
@@ -1731,10 +1733,10 @@ static void set_dte_entry(struct amd_iommu *iommu, u16 devid,
 
 	flags = dev_table[devid].data[1];
 
-	if (ats)
+	if (dev_data->ats_enabled)
 		flags |= DTE_FLAG_IOTLB;
 
-	if (ppr)
+	if (dev_data->ppr)
 		pte_root |= 1ULL << DEV_ENTRY_PPR;
 
 	if (domain->dirty_tracking)
@@ -1810,12 +1812,10 @@ static void do_attach(struct iommu_dev_data *dev_data,
 		      struct protection_domain *domain)
 {
 	struct amd_iommu *iommu;
-	bool ats;
 
 	iommu = rlookup_amd_iommu(dev_data->dev);
 	if (!iommu)
 		return;
-	ats   = dev_data->ats_enabled;
 
 	/* Update data structures */
 	dev_data->domain = domain;
@@ -1830,8 +1830,7 @@ static void do_attach(struct iommu_dev_data *dev_data,
 	domain->dev_cnt                 += 1;
 
 	/* Update device table */
-	set_dte_entry(iommu, dev_data->devid, domain,
-		      ats, dev_data->ppr);
+	set_dte_entry(iommu, dev_data);
 	clone_aliases(iommu, dev_data->dev);
 
 	device_flush_dte(dev_data);
@@ -2015,8 +2014,7 @@ static void update_device_table(struct protection_domain *domain)
 
 		if (!iommu)
 			continue;
-		set_dte_entry(iommu, dev_data->devid, domain,
-			      dev_data->ats_enabled, dev_data->ppr);
+		set_dte_entry(iommu, dev_data);
 		clone_aliases(iommu, dev_data->dev);
 	}
 }
-- 
2.31.1