aboutsummaryrefslogtreecommitdiffstats
path: root/include/asm-x86_64
diff options
context:
space:
mode:
Diffstat (limited to 'include/asm-x86_64')
-rw-r--r--include/asm-x86_64/pci.h40
1 files changed, 0 insertions, 40 deletions
diff --git a/include/asm-x86_64/pci.h b/include/asm-x86_64/pci.h
index d95c9e78fe1d..bda94fd5176f 100644
--- a/include/asm-x86_64/pci.h
+++ b/include/asm-x86_64/pci.h
@@ -54,14 +54,6 @@ extern int iommu_setup(char *opt);
54 54
55#if defined(CONFIG_IOMMU) || defined(CONFIG_CALGARY_IOMMU) 55#if defined(CONFIG_IOMMU) || defined(CONFIG_CALGARY_IOMMU)
56 56
57/*
58 * x86-64 always supports DAC, but sometimes it is useful to force
59 * devices through the IOMMU to get automatic sg list merging.
60 * Optional right now.
61 */
62extern int iommu_sac_force;
63#define pci_dac_dma_supported(pci_dev, mask) (!iommu_sac_force)
64
65#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \ 57#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
66 dma_addr_t ADDR_NAME; 58 dma_addr_t ADDR_NAME;
67#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \ 59#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \
@@ -78,8 +70,6 @@ extern int iommu_sac_force;
78#else 70#else
79/* No IOMMU */ 71/* No IOMMU */
80 72
81#define pci_dac_dma_supported(pci_dev, mask) 1
82
83#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) 73#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
84#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) 74#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
85#define pci_unmap_addr(PTR, ADDR_NAME) (0) 75#define pci_unmap_addr(PTR, ADDR_NAME) (0)
@@ -91,36 +81,6 @@ extern int iommu_sac_force;
91 81
92#include <asm-generic/pci-dma-compat.h> 82#include <asm-generic/pci-dma-compat.h>
93 83
94static inline dma64_addr_t
95pci_dac_page_to_dma(struct pci_dev *pdev, struct page *page, unsigned long offset, int direction)
96{
97 return ((dma64_addr_t) page_to_phys(page) +
98 (dma64_addr_t) offset);
99}
100
101static inline struct page *
102pci_dac_dma_to_page(struct pci_dev *pdev, dma64_addr_t dma_addr)
103{
104 return virt_to_page(__va(dma_addr));
105}
106
107static inline unsigned long
108pci_dac_dma_to_offset(struct pci_dev *pdev, dma64_addr_t dma_addr)
109{
110 return (dma_addr & ~PAGE_MASK);
111}
112
113static inline void
114pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction)
115{
116}
117
118static inline void
119pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction)
120{
121 flush_write_buffers();
122}
123
124#ifdef CONFIG_PCI 84#ifdef CONFIG_PCI
125static inline void pci_dma_burst_advice(struct pci_dev *pdev, 85static inline void pci_dma_burst_advice(struct pci_dev *pdev,
126 enum pci_dma_burst_strategy *strat, 86 enum pci_dma_burst_strategy *strat,