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Location: vmkdrivers/BLD/build/HEADERS/92-vmkdrivers-asm-x64/vmkernel64/release/asm/pci.h
95e39e5412bd
5.4 KiB
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ESXi-6.0-GA
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 | #ifndef __x8664_PCI_H
#define __x8664_PCI_H
#include <asm/io.h>
#ifdef __KERNEL__
#include <linux/mm.h> /* for struct page */
/* Can be used to override the logic in pci_scan_bus for skipping
already-configured bus numbers - to be used for buggy BIOSes
or architectures with incomplete PCI setup by the loader */
#ifdef CONFIG_PCI
extern unsigned int pcibios_assign_all_busses(void);
#else
#define pcibios_assign_all_busses() 0
#endif
#define pcibios_scan_all_fns(a, b) 0
extern unsigned long pci_mem_start;
#define PCIBIOS_MIN_IO 0x1000
#define PCIBIOS_MIN_MEM (pci_mem_start)
#define PCIBIOS_MIN_CARDBUS_IO 0x4000
void pcibios_config_init(void);
struct pci_bus * pcibios_scan_root(int bus);
extern int (*pci_config_read)(int seg, int bus, int dev, int fn, int reg, int len, u32 *value);
extern int (*pci_config_write)(int seg, int bus, int dev, int fn, int reg, int len, u32 value);
void pcibios_set_master(struct pci_dev *dev);
void pcibios_penalize_isa_irq(int irq, int active);
struct irq_routing_table *pcibios_get_irq_routing_table(void);
int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq);
#include <linux/types.h>
#include <linux/slab.h>
#include <asm/scatterlist.h>
#include <linux/string.h>
#include <asm/page.h>
extern void pci_iommu_alloc(void);
extern int iommu_setup(char *opt);
/* The PCI address space does equal the physical memory
* address space. The networking and block device layers use
* this boolean for bounce buffer decisions
*
* On AMD64 it mostly equals, but we set it to zero if a hardware
* IOMMU (gart) of sotware IOMMU (swiotlb) is available.
*/
#define PCI_DMA_BUS_IS_PHYS (dma_ops->is_phys)
#if defined(CONFIG_IOMMU) || defined(CONFIG_CALGARY_IOMMU)
/*
* x86-64 always supports DAC, but sometimes it is useful to force
* devices through the IOMMU to get automatic sg list merging.
* Optional right now.
*/
extern int iommu_sac_force;
#define pci_dac_dma_supported(pci_dev, mask) (!iommu_sac_force)
#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME) \
dma_addr_t ADDR_NAME;
#define DECLARE_PCI_UNMAP_LEN(LEN_NAME) \
__u32 LEN_NAME;
#define pci_unmap_addr(PTR, ADDR_NAME) \
((PTR)->ADDR_NAME)
#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) \
(((PTR)->ADDR_NAME) = (VAL))
#define pci_unmap_len(PTR, LEN_NAME) \
((PTR)->LEN_NAME)
#define pci_unmap_len_set(PTR, LEN_NAME, VAL) \
(((PTR)->LEN_NAME) = (VAL))
#else
/* No IOMMU */
#define pci_dac_dma_supported(pci_dev, mask) 1
/**
* DECLARE_PCI_UNMAP_ADDR - non-operational macro
* @ADDR_NAME: Ignored
*
* A non-operational macro provided to help reduce
* kernel ifdefs. It is not supported in this release of ESX.
*
* ESX Deviation Notes:
* A non-operational macro provided to help reduce
* kernel ifdefs. It is not supported in this release of ESX.
*
* RETURN VALUE:
* Does not return any value
*
*/
/* _VMKLNX_CODECHECK_: DECLARE_PCI_UNMAP_ADDR */
#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)
/**
* pci_unmap_addr - non-operational function
* @PTR: Ignored
* @ADDR_NAME: Ignored
*
* A non-operational function provided to help reduce
* kernel ifdefs. It is not supported in this release of ESX.
*
* ESX Deviation Notes:
* A non-operational function provided to help reduce
* kernel ifdefs. It is not supported in this release of ESX.
*
* RETURN VALUE:
* Does not return any value
*
*/
/* _VMKLNX_CODECHECK_: pci_unmap_addr */
#define pci_unmap_addr(PTR, ADDR_NAME) (0)
/**
* pci_unmap_addr_set - non-operational function
* @PTR: Ignored
* @ADDR_NAME: Ignored
* @VAL: Ignored
*
* A non-operational function provided to help reduce
* kernel ifdefs. It is not supported in this release of ESX.
*
* ESX Deviation Notes:
* A non-operational function provided to help reduce
* kernel ifdefs. It is not supported in this release of ESX.
*
* RETURN VALUE:
* Does not return any value
*
*/
/* _VMKLNX_CODECHECK_: pci_unmap_addr_set */
#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL) do { } while (0)
#define pci_unmap_len(PTR, LEN_NAME) (0)
#define pci_unmap_len_set(PTR, LEN_NAME, VAL) do { } while (0)
#endif
#include <asm-generic/pci-dma-compat.h>
static inline dma64_addr_t
pci_dac_page_to_dma(struct pci_dev *pdev, struct page *page, unsigned long offset, int direction)
{
return ((dma64_addr_t) page_to_phys(page) +
(dma64_addr_t) offset);
}
static inline struct page *
pci_dac_dma_to_page(struct pci_dev *pdev, dma64_addr_t dma_addr)
{
return virt_to_page(__va(dma_addr));
}
static inline unsigned long
pci_dac_dma_to_offset(struct pci_dev *pdev, dma64_addr_t dma_addr)
{
return (dma_addr & ~PAGE_MASK);
}
static inline void
pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction)
{
}
static inline void
pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction)
{
flush_write_buffers();
}
#ifdef CONFIG_PCI
static inline void pci_dma_burst_advice(struct pci_dev *pdev,
enum pci_dma_burst_strategy *strat,
unsigned long *strategy_parameter)
{
*strat = PCI_DMA_BURST_INFINITY;
*strategy_parameter = ~0UL;
}
#endif
#define HAVE_PCI_MMAP
extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
enum pci_mmap_state mmap_state, int write_combine);
static inline void pcibios_add_platform_entries(struct pci_dev *dev)
{
}
#endif /* __KERNEL__ */
/* generic pci stuff */
#ifdef CONFIG_PCI
#include <asm-generic/pci.h>
#endif
#endif /* __x8664_PCI_H */
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