pci.h
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:5k
- #ifndef __PPC64_PCI_H
- #define __PPC64_PCI_H
- #ifdef __KERNEL__
- /*
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version
- * 2 of the License, or (at your option) any later version.
- */
- /* Values for the `which' argument to sys_pciconfig_iobase syscall. */
- #define IOBASE_BRIDGE_NUMBER 0
- #define IOBASE_MEMORY 1
- #define IOBASE_IO 2
- #define IOBASE_ISA_IO 3
- #define IOBASE_ISA_MEM 4
- /* 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.
- */
- extern int pcibios_assign_all_busses(void);
- #define PCIBIOS_MIN_IO 0x1000
- #define PCIBIOS_MIN_MEM 0x10000000
- static inline void pcibios_set_master(struct pci_dev *dev)
- {
- /* No special bus mastering setup handling */
- }
- static inline void pcibios_penalize_isa_irq(int irq)
- {
- /* We don't do dynamic PCI IRQ allocation */
- }
- #include <linux/types.h>
- #include <linux/slab.h>
- #include <linux/string.h>
- #include <asm/scatterlist.h>
- #include <asm/io.h>
- #include <asm/prom.h>
- struct pci_dev;
- #define REG_SAVE_SIZE 64
- /************************************************************************
- * Structure to hold the data for PCI Register Save/Restore functions. *
- ************************************************************************/
- struct pci_config_reg_save_area {
- struct pci_dev* PciDev; /* Pointer to device(Sanity Check) */
- int Flags; /* Control & Info Flags */
- int RCode; /* Return Code on Save/Restore */
- int Register; /* Pointer to current register. */
- u8 Regs[REG_SAVE_SIZE]; /* Save Area */
- };
- /************************************************************************
- * Functions to support device reset *
- ************************************************************************/
- extern int pci_reset_device(struct pci_dev*, int, int);
- extern int pci_save_config_regs(struct pci_dev*,struct pci_config_reg_save_area*);
- extern int pci_restore_config_regs(struct pci_dev*,struct pci_config_reg_save_area*);
- extern char* pci_card_location(struct pci_dev*);
- extern void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
- dma_addr_t *dma_handle);
- extern void pci_free_consistent(struct pci_dev *hwdev, size_t size,
- void *vaddr, dma_addr_t dma_handle);
- extern dma_addr_t pci_map_single(struct pci_dev *hwdev, void *ptr,
- size_t size, int direction);
- extern void pci_unmap_single(struct pci_dev *hwdev, dma_addr_t dma_addr,
- size_t size, int direction);
- extern int pci_map_sg(struct pci_dev *hwdev, struct scatterlist *sg,
- int nents, int direction);
- extern void pci_unmap_sg(struct pci_dev *hwdev, struct scatterlist *sg,
- int nents, int direction);
- extern void pSeries_pcibios_init_early(void);
- static inline void pci_dma_sync_single(struct pci_dev *hwdev,
- dma_addr_t dma_handle,
- size_t size, int direction)
- {
- if (direction == PCI_DMA_NONE)
- BUG();
- /* nothing to do */
- }
- static inline void pci_dma_sync_sg(struct pci_dev *hwdev,
- struct scatterlist *sg,
- int nelems, int direction)
- {
- if (direction == PCI_DMA_NONE)
- BUG();
- /* nothing to do */
- }
- /* Return whether the given PCI device DMA address mask can
- * be supported properly. For example, if your device can
- * only drive the low 24-bits during PCI bus mastering, then
- * you would pass 0x00ffffff as the mask to this function.
- */
- static inline int pci_dma_supported(struct pci_dev *hwdev, u64 mask)
- {
- return 1;
- }
- /* Return the index of the PCI controller for device PDEV. */
- extern int pci_controller_num(struct pci_dev *pdev);
- struct vm_area_struct;
- /* Map a range of PCI memory or I/O space for a device into user space */
- int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma,
- enum pci_mmap_state mmap_state, int write_combine);
- /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */
- #define HAVE_PCI_MMAP 1
- #define sg_dma_address(sg) ((sg)->dma_address)
- #define sg_dma_len(sg) ((sg)->dma_length)
- #define pci_map_page(dev, page, off, size, dir)
- pci_map_single(dev, (page_address(page) + (off)), size, dir)
- #define pci_unmap_page(dev,addr,sz,dir) pci_unmap_single(dev,addr,sz,dir)
- /* pci_unmap_{single,page} is not a nop, thus... */
- #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))
- #define pci_dac_dma_supported(pci_dev, mask) (0)
- /* The PCI address space does equal the physical memory
- * address space. The networking and block device layers use
- * this boolean for bounce buffer decisions.
- */
- #define PCI_DMA_BUS_IS_PHYS (0)
-
- #endif /* __KERNEL__ */
- #endif /* __PPC64_PCI_H */