cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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pci.h (2164B)

      1/* SPDX-License-Identifier: GPL-2.0-only */
      2/*
      3 *  arch/arm/include/asm/mach/pci.h
      4 *
      5 *  Copyright (C) 2000 Russell King
      6 */
      7
      8#ifndef __ASM_MACH_PCI_H
      9#define __ASM_MACH_PCI_H
     10
     11#include <linux/ioport.h>
     12
     13struct pci_sys_data;
     14struct pci_ops;
     15struct pci_bus;
     16struct pci_host_bridge;
     17struct device;
     18
     19struct hw_pci {
     20	struct pci_ops	*ops;
     21	int		nr_controllers;
     22	void		**private_data;
     23	int		(*setup)(int nr, struct pci_sys_data *);
     24	int		(*scan)(int nr, struct pci_host_bridge *);
     25	void		(*preinit)(void);
     26	void		(*postinit)(void);
     27	u8		(*swizzle)(struct pci_dev *dev, u8 *pin);
     28	int		(*map_irq)(const struct pci_dev *dev, u8 slot, u8 pin);
     29};
     30
     31/*
     32 * Per-controller structure
     33 */
     34struct pci_sys_data {
     35	struct list_head node;
     36	int		busnr;		/* primary bus number			*/
     37	u64		mem_offset;	/* bus->cpu memory mapping offset	*/
     38	unsigned long	io_offset;	/* bus->cpu IO mapping offset		*/
     39	struct pci_bus	*bus;		/* PCI bus				*/
     40	struct list_head resources;	/* root bus resources (apertures)       */
     41	struct resource io_res;
     42	char		io_res_name[12];
     43					/* Bridge swizzling			*/
     44	u8		(*swizzle)(struct pci_dev *, u8 *);
     45					/* IRQ mapping				*/
     46	int		(*map_irq)(const struct pci_dev *, u8, u8);
     47	void		*private_data;	/* platform controller private data	*/
     48};
     49
     50/*
     51 * Call this with your hw_pci struct to initialise the PCI system.
     52 */
     53void pci_common_init_dev(struct device *, struct hw_pci *);
     54
     55/*
     56 * Compatibility wrapper for older platforms that do not care about
     57 * passing the parent device.
     58 */
     59static inline void pci_common_init(struct hw_pci *hw)
     60{
     61	pci_common_init_dev(NULL, hw);
     62}
     63
     64/*
     65 * Setup early fixed I/O mapping.
     66 */
     67#if defined(CONFIG_PCI)
     68extern void pci_map_io_early(unsigned long pfn);
     69#else
     70static inline void pci_map_io_early(unsigned long pfn) {}
     71#endif
     72
     73/*
     74 * PCI controllers
     75 */
     76extern struct pci_ops iop3xx_ops;
     77extern int iop3xx_pci_setup(int nr, struct pci_sys_data *);
     78extern void iop3xx_pci_preinit(void);
     79extern void iop3xx_pci_preinit_cond(void);
     80
     81extern struct pci_ops dc21285_ops;
     82extern int dc21285_setup(int nr, struct pci_sys_data *);
     83extern void dc21285_preinit(void);
     84extern void dc21285_postinit(void);
     85
     86#endif /* __ASM_MACH_PCI_H */