summaryrefslogtreecommitdiffstats
path: root/arch/ia64
diff options
context:
space:
mode:
Diffstat (limited to 'arch/ia64')
-rw-r--r--arch/ia64/Kconfig8
-rw-r--r--arch/ia64/hp/common/hwsw_iommu.c2
-rw-r--r--arch/ia64/include/asm/dma-mapping.h19
-rw-r--r--arch/ia64/include/asm/dma.h2
-rw-r--r--arch/ia64/include/asm/swiotlb.h18
-rw-r--r--arch/ia64/kernel/dma-mapping.c9
-rw-r--r--arch/ia64/kernel/pci-dma.c19
-rw-r--r--arch/ia64/kernel/pci-swiotlb.c68
-rw-r--r--arch/ia64/mm/contig.c4
-rw-r--r--arch/ia64/mm/discontig.c8
10 files changed, 33 insertions, 124 deletions
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 315c51f58811..bbe12a038d21 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -33,6 +33,7 @@ config IA64
select HAVE_MEMBLOCK
select HAVE_MEMBLOCK_NODE_MAP
select HAVE_VIRT_CPU_ACCOUNTING
+ select ARCH_HAS_DMA_MARK_CLEAN
select ARCH_HAS_SG_CHAIN
select VIRT_TO_BUS
select ARCH_DISCARD_MEMBLOCK
@@ -65,7 +66,7 @@ config 64BIT
select ATA_NONSTANDARD if ATA
default y
-config ZONE_DMA
+config ZONE_DMA32
def_bool y
depends on !IA64_SGI_SN2
@@ -145,6 +146,7 @@ config IA64_GENERIC
bool "generic"
select NUMA
select ACPI_NUMA
+ select DMA_DIRECT_OPS
select SWIOTLB
select PCI_MSI
help
@@ -165,6 +167,7 @@ config IA64_GENERIC
config IA64_DIG
bool "DIG-compliant"
+ select DMA_DIRECT_OPS
select SWIOTLB
config IA64_DIG_VTD
@@ -180,6 +183,7 @@ config IA64_HP_ZX1
config IA64_HP_ZX1_SWIOTLB
bool "HP-zx1/sx1000 with software I/O TLB"
+ select DMA_DIRECT_OPS
select SWIOTLB
help
Build a kernel that runs on HP zx1 and sx1000 systems even when they
@@ -203,6 +207,7 @@ config IA64_SGI_UV
bool "SGI-UV"
select NUMA
select ACPI_NUMA
+ select DMA_DIRECT_OPS
select SWIOTLB
help
Selecting this option will optimize the kernel for use on UV based
@@ -213,6 +218,7 @@ config IA64_SGI_UV
config IA64_HP_SIM
bool "Ski-simulator"
+ select DMA_DIRECT_OPS
select SWIOTLB
depends on !PM
diff --git a/arch/ia64/hp/common/hwsw_iommu.c b/arch/ia64/hp/common/hwsw_iommu.c
index 63d8e1d2477f..58969039bed2 100644
--- a/arch/ia64/hp/common/hwsw_iommu.c
+++ b/arch/ia64/hp/common/hwsw_iommu.c
@@ -19,7 +19,7 @@
#include <linux/export.h>
#include <asm/machvec.h>
-extern const struct dma_map_ops sba_dma_ops, swiotlb_dma_ops;
+extern const struct dma_map_ops sba_dma_ops;
/* swiotlb declarations & definitions: */
extern int swiotlb_late_init_with_default_size (size_t size);
diff --git a/arch/ia64/include/asm/dma-mapping.h b/arch/ia64/include/asm/dma-mapping.h
index c1bab526a046..76e4d6632d68 100644
--- a/arch/ia64/include/asm/dma-mapping.h
+++ b/arch/ia64/include/asm/dma-mapping.h
@@ -8,7 +8,6 @@
*/
#include <asm/machvec.h>
#include <linux/scatterlist.h>
-#include <asm/swiotlb.h>
#include <linux/dma-debug.h>
#define ARCH_HAS_DMA_GET_REQUIRED_MASK
@@ -27,22 +26,4 @@ static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
return platform_dma_get_ops(NULL);
}
-static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
-{
- if (!dev->dma_mask)
- return 0;
-
- return addr + size - 1 <= *dev->dma_mask;
-}
-
-static inline dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr)
-{
- return paddr;
-}
-
-static inline phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr)
-{
- return daddr;
-}
-
#endif /* _ASM_IA64_DMA_MAPPING_H */
diff --git a/arch/ia64/include/asm/dma.h b/arch/ia64/include/asm/dma.h
index 186850eec934..23604d6a2cb2 100644
--- a/arch/ia64/include/asm/dma.h
+++ b/arch/ia64/include/asm/dma.h
@@ -20,6 +20,4 @@ extern unsigned long MAX_DMA_ADDRESS;
#define free_dma(x)
-void dma_mark_clean(void *addr, size_t size);
-
#endif /* _ASM_IA64_DMA_H */
diff --git a/arch/ia64/include/asm/swiotlb.h b/arch/ia64/include/asm/swiotlb.h
deleted file mode 100644
index 841e2c7d0b21..000000000000
--- a/arch/ia64/include/asm/swiotlb.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef ASM_IA64__SWIOTLB_H
-#define ASM_IA64__SWIOTLB_H
-
-#include <linux/dma-mapping.h>
-#include <linux/swiotlb.h>
-
-#ifdef CONFIG_SWIOTLB
-extern int swiotlb;
-extern void pci_swiotlb_init(void);
-#else
-#define swiotlb 0
-static inline void pci_swiotlb_init(void)
-{
-}
-#endif
-
-#endif /* ASM_IA64__SWIOTLB_H */
diff --git a/arch/ia64/kernel/dma-mapping.c b/arch/ia64/kernel/dma-mapping.c
index 7a82c9259609..f2d57e66fd86 100644
--- a/arch/ia64/kernel/dma-mapping.c
+++ b/arch/ia64/kernel/dma-mapping.c
@@ -1,5 +1,6 @@
// SPDX-License-Identifier: GPL-2.0
#include <linux/dma-mapping.h>
+#include <linux/swiotlb.h>
#include <linux/export.h>
/* Set this to 1 if there is a HW IOMMU in the system */
@@ -23,3 +24,11 @@ const struct dma_map_ops *dma_get_ops(struct device *dev)
return dma_ops;
}
EXPORT_SYMBOL(dma_get_ops);
+
+#ifdef CONFIG_SWIOTLB
+void __init swiotlb_dma_init(void)
+{
+ dma_ops = &swiotlb_dma_ops;
+ swiotlb_init(1);
+}
+#endif
diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c
index 3ba87c22dfbc..b5df084c0af4 100644
--- a/arch/ia64/kernel/pci-dma.c
+++ b/arch/ia64/kernel/pci-dma.c
@@ -12,12 +12,7 @@
#include <asm/iommu.h>
#include <asm/machvec.h>
#include <linux/dma-mapping.h>
-
-
-#ifdef CONFIG_INTEL_IOMMU
-
#include <linux/kernel.h>
-
#include <asm/page.h>
dma_addr_t bad_dma_address __read_mostly;
@@ -104,8 +99,14 @@ void __init pci_iommu_alloc(void)
detect_intel_iommu();
#ifdef CONFIG_SWIOTLB
- pci_swiotlb_init();
-#endif
+ if (!iommu_detected) {
+#ifdef CONFIG_IA64_GENERIC
+ printk(KERN_INFO "PCI-DMA: Re-initialize machine vector.\n");
+ machvec_init("dig");
+ swiotlb_dma_init();
+#else
+ panic("Unable to find Intel IOMMU");
+#endif /* CONFIG_IA64_GENERIC */
+ }
+#endif /* CONFIG_SWIOTLB */
}
-
-#endif
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
deleted file mode 100644
index 5e50939aa03e..000000000000
--- a/arch/ia64/kernel/pci-swiotlb.c
+++ /dev/null
@@ -1,68 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/* Glue code to lib/swiotlb.c */
-
-#include <linux/pci.h>
-#include <linux/gfp.h>
-#include <linux/cache.h>
-#include <linux/module.h>
-#include <linux/dma-mapping.h>
-
-#include <asm/swiotlb.h>
-#include <asm/dma.h>
-#include <asm/iommu.h>
-#include <asm/machvec.h>
-
-int swiotlb __read_mostly;
-EXPORT_SYMBOL(swiotlb);
-
-static void *ia64_swiotlb_alloc_coherent(struct device *dev, size_t size,
- dma_addr_t *dma_handle, gfp_t gfp,
- unsigned long attrs)
-{
- if (dev->coherent_dma_mask != DMA_BIT_MASK(64))
- gfp |= GFP_DMA;
- return swiotlb_alloc_coherent(dev, size, dma_handle, gfp);
-}
-
-static void ia64_swiotlb_free_coherent(struct device *dev, size_t size,
- void *vaddr, dma_addr_t dma_addr,
- unsigned long attrs)
-{
- swiotlb_free_coherent(dev, size, vaddr, dma_addr);
-}
-
-const struct dma_map_ops swiotlb_dma_ops = {
- .alloc = ia64_swiotlb_alloc_coherent,
- .free = ia64_swiotlb_free_coherent,
- .map_page = swiotlb_map_page,
- .unmap_page = swiotlb_unmap_page,
- .map_sg = swiotlb_map_sg_attrs,
- .unmap_sg = swiotlb_unmap_sg_attrs,
- .sync_single_for_cpu = swiotlb_sync_single_for_cpu,
- .sync_single_for_device = swiotlb_sync_single_for_device,
- .sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
- .sync_sg_for_device = swiotlb_sync_sg_for_device,
- .dma_supported = swiotlb_dma_supported,
- .mapping_error = swiotlb_dma_mapping_error,
-};
-
-void __init swiotlb_dma_init(void)
-{
- dma_ops = &swiotlb_dma_ops;
- swiotlb_init(1);
-}
-
-void __init pci_swiotlb_init(void)
-{
- if (!iommu_detected) {
-#ifdef CONFIG_IA64_GENERIC
- swiotlb = 1;
- printk(KERN_INFO "PCI-DMA: Re-initialize machine vector.\n");
- machvec_init("dig");
- swiotlb_init(1);
- dma_ops = &swiotlb_dma_ops;
-#else
- panic("Unable to find Intel IOMMU");
-#endif
- }
-}
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index 52715a71aede..7d64b30913d1 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -237,9 +237,9 @@ paging_init (void)
unsigned long max_zone_pfns[MAX_NR_ZONES];
memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
-#ifdef CONFIG_ZONE_DMA
+#ifdef CONFIG_ZONE_DMA32
max_dma = virt_to_phys((void *) MAX_DMA_ADDRESS) >> PAGE_SHIFT;
- max_zone_pfns[ZONE_DMA] = max_dma;
+ max_zone_pfns[ZONE_DMA32] = max_dma;
#endif
max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 9b2d994cddf6..ac46f0d60b66 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -38,7 +38,7 @@ struct early_node_data {
struct ia64_node_data *node_data;
unsigned long pernode_addr;
unsigned long pernode_size;
-#ifdef CONFIG_ZONE_DMA
+#ifdef CONFIG_ZONE_DMA32
unsigned long num_dma_physpages;
#endif
unsigned long min_pfn;
@@ -669,7 +669,7 @@ static __init int count_node_pages(unsigned long start, unsigned long len, int n
{
unsigned long end = start + len;
-#ifdef CONFIG_ZONE_DMA
+#ifdef CONFIG_ZONE_DMA32
if (start <= __pa(MAX_DMA_ADDRESS))
mem_data[node].num_dma_physpages +=
(min(end, __pa(MAX_DMA_ADDRESS)) - start) >>PAGE_SHIFT;
@@ -724,8 +724,8 @@ void __init paging_init(void)
}
memset(max_zone_pfns, 0, sizeof(max_zone_pfns));
-#ifdef CONFIG_ZONE_DMA
- max_zone_pfns[ZONE_DMA] = max_dma;
+#ifdef CONFIG_ZONE_DMA32
+ max_zone_pfns[ZONE_DMA32] = max_dma;
#endif
max_zone_pfns[ZONE_NORMAL] = max_pfn;
free_area_init_nodes(max_zone_pfns);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-06 13:15:22 +0000