From: Suravee Suthikulpanit <suravee.suthikulpa...@amd.com>
This is replaced by the per PCI segment alias table.
Also remove alias_table_size variable.
Co-developed-by: Vasant Hegde <vasant.he...@amd.com>
Signed-off-by: Vasant Hegde <vasant.he...@amd.com>
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpa...@amd.com>
---
drivers/iommu/amd/amd_iommu_types.h | 6 ------
drivers/iommu/amd/init.c | 24 ------------------------
2 files changed, 30 deletions(-)
diff --git a/drivers/iommu/amd/amd_iommu_types.h
b/drivers/iommu/amd/amd_iommu_types.h
index dc76ee2c3ea5..0aa170014b85 100644
--- a/drivers/iommu/amd/amd_iommu_types.h
+++ b/drivers/iommu/amd/amd_iommu_types.h
@@ -826,12 +826,6 @@ struct unity_map_entry {
* Data structures for device handling
*/
-/*
- * Alias table to find requestor ids to device ids. Not locked because only
- * read on runtime.
- */
-extern u16 *amd_iommu_alias_table;
-
/* size of the dma_ops aperture as power of 2 */
extern unsigned amd_iommu_aperture_order;
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c
index dd667dfb4355..b3905b1c4bc9 100644
--- a/drivers/iommu/amd/init.c
+++ b/drivers/iommu/amd/init.c
@@ -185,21 +185,12 @@ static bool amd_iommu_pc_present __read_mostly;
bool amd_iommu_force_isolation __read_mostly;
-/*
- * The alias table is a driver specific data structure which contains the
- * mappings of the PCI device ids to the actual requestor ids on the IOMMU.
- * More than one device can share the same requestor id.
- */
-u16 *amd_iommu_alias_table;
-
/*
* AMD IOMMU allows up to 2^16 different protection domains. This is a bitmap
* to know which ones are already in use.
*/
unsigned long *amd_iommu_pd_alloc_bitmap;
-static u32 alias_table_size; /* size of the alias table */
-
enum iommu_init_state {
IOMMU_START_STATE,
IOMMU_IVRS_DETECTED,
@@ -2791,10 +2782,6 @@ static void __init free_iommu_resources(void)
kmem_cache_destroy(amd_iommu_irq_cache);
amd_iommu_irq_cache = NULL;
- free_pages((unsigned long)amd_iommu_alias_table,
- get_order(alias_table_size));
- amd_iommu_alias_table = NULL;
-
free_iommu_all();
free_pci_segment();
}
@@ -2923,20 +2910,9 @@ static int __init early_amd_iommu_init(void)
amd_iommu_target_ivhd_type = get_highest_supported_ivhd_type(ivrs_base);
DUMP_printk("Using IVHD type %#x\n", amd_iommu_target_ivhd_type);
- alias_table_size = tbl_size(ALIAS_TABLE_ENTRY_SIZE);
-
/* Device table - directly used by all IOMMUs */
ret = -ENOMEM;
- /*
- * Alias table - map PCI Bus/Dev/Func to Bus/Dev/Func the
- * IOMMU see for that device
- */
- amd_iommu_alias_table = (void *)__get_free_pages(GFP_KERNEL,
- get_order(alias_table_size));
- if (amd_iommu_alias_table == NULL)
- goto out;
-
amd_iommu_pd_alloc_bitmap = (void *)__get_free_pages(
GFP_KERNEL | __GFP_ZERO,
get_order(MAX_DOMAIN_ID/8));
--
2.27.0
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