cregit-Linux how code gets into the kernel

Release 4.8 arch/mips/include/asm/pci.h

/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 */
#ifndef _ASM_PCI_H

#define _ASM_PCI_H

#include <linux/mm.h>

#ifdef __KERNEL__

/*
 * This file essentially defines the interface between board
 * specific PCI code and MIPS common PCI code.  Should potentially put
 * into include/asm/pci.h file.
 */

#include <linux/ioport.h>
#include <linux/of.h>

/*
 * Each pci channel is a top-level PCI bus seem by CPU.  A machine  with
 * multiple PCI channels may have multiple PCI host controllers or a
 * single controller supporting multiple channels.
 */

struct pci_controller {
	
struct pci_controller *next;
	
struct pci_bus *bus;
	
struct device_node *of_node;

	
struct pci_ops *pci_ops;
	
struct resource *mem_resource;
	
unsigned long mem_offset;
	
struct resource *io_resource;
	
unsigned long io_offset;
	
unsigned long io_map_base;
	
struct resource *busn_resource;
	
unsigned long busn_offset;

	
unsigned int index;
	/* For compatibility with current (as of July 2003) pciutils
           and XFree86. Eventually will be removed. */
	
unsigned int need_domain_info;

	/* Optional access methods for reading/writing the bus number
           of the PCI controller */
	
int (*get_busno)(void);
	
void (*set_busno)(int busno);
};

/*
 * Used by boards to register their PCI busses before the actual scanning.
 */
extern void register_pci_controller(struct pci_controller *hose);

/*
 * board supplied pci irq fixup routine
 */
extern int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin);


/* 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 unsigned int pcibios_assign_all_busses(void);

extern unsigned long PCIBIOS_MIN_IO;
extern unsigned long PCIBIOS_MIN_MEM;


#define PCIBIOS_MIN_CARDBUS_IO	0x4000

extern void pcibios_set_master(struct pci_dev *dev);


#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);


#define HAVE_ARCH_PCI_RESOURCE_TO_USER

/*
 * Dynamic DMA mapping stuff.
 * MIPS has everything mapped statically.
 */

#include <linux/types.h>
#include <linux/slab.h>
#include <linux/scatterlist.h>
#include <linux/string.h>
#include <asm/io.h>

struct pci_dev;

/*
 * 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     (1)

#ifdef CONFIG_PCI_DOMAINS

#define pci_domain_nr(bus) ((struct pci_controller *)(bus)->sysdata)->index


static inline int pci_proc_domain(struct pci_bus *bus) { struct pci_controller *hose = bus->sysdata; return hose->need_domain_info; }

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ralf baechleralf baechle2492.31%150.00%
matthew wilcoxmatthew wilcox27.69%150.00%
Total26100.00%2100.00%

#endif /* CONFIG_PCI_DOMAINS */ #endif /* __KERNEL__ */ /* Do platform specific device initialization at pci_enable_device() time */ extern int pcibios_plat_dev_init(struct pci_dev *dev); /* Chances are this interrupt is wired PC-style ... */
static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel) { return channel ? 15 : 14; }

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ralf baechleralf baechle22100.00%1100.00%
Total22100.00%1100.00%

extern char * (*pcibios_plat_setup)(char *str); #ifdef CONFIG_OF /* this function parses memory ranges from a device node */ extern void pci_load_of_ranges(struct pci_controller *hose, struct device_node *node); #else
static inline void pci_load_of_ranges(struct pci_controller *hose, struct device_node *node) {}

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gabor juhosgabor juhos16100.00%1100.00%
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#endif #endif /* _ASM_PCI_H */

Overall Contributors

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ralf baechleralf baechle17951.00%729.17%
pre-gitpre-git4312.25%312.50%
john crispinjohn crispin246.84%14.17%
gabor juhosgabor juhos236.55%14.17%
andrew isaacsonandrew isaacson205.70%14.17%
andrew mortonandrew morton154.27%28.33%
atsushi nemotoatsushi nemoto133.70%14.17%
linus torvaldslinus torvalds113.13%28.33%
joshua kinardjoshua kinard92.56%14.17%
zubair lutfullahzubair lutfullah41.14%14.17%
sergey ryazanovsergey ryazanov41.14%14.17%
wolfgang grandeggerwolfgang grandegger30.85%14.17%
matthew wilcoxmatthew wilcox20.57%14.17%
christoph hellwigchristoph hellwig10.28%14.17%
Total351100.00%24100.00%
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