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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machvec.h (3621B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __ALPHA_MACHVEC_H
      3#define __ALPHA_MACHVEC_H 1
      4
      5#include <linux/types.h>
      6
      7/*
      8 *	This file gets pulled in by asm/io.h from user space. We don't
      9 *	want most of this escaping.
     10 */
     11 
     12#ifdef __KERNEL__
     13
     14/* The following structure vectors all of the I/O and IRQ manipulation
     15   from the generic kernel to the hardware specific backend.  */
     16
     17struct task_struct;
     18struct mm_struct;
     19struct vm_area_struct;
     20struct linux_hose_info;
     21struct pci_dev;
     22struct pci_ops;
     23struct pci_controller;
     24struct _alpha_agp_info;
     25struct rtc_time;
     26
     27struct alpha_machine_vector
     28{
     29	/* This "belongs" down below with the rest of the runtime
     30	   variables, but it is convenient for entry.S if these 
     31	   two slots are at the beginning of the struct.  */
     32	unsigned long hae_cache;
     33	unsigned long *hae_register;
     34
     35	int nr_irqs;
     36	int rtc_port;
     37	int rtc_boot_cpu_only;
     38	unsigned int max_asn;
     39	unsigned long max_isa_dma_address;
     40	unsigned long irq_probe_mask;
     41	unsigned long iack_sc;
     42	unsigned long min_io_address;
     43	unsigned long min_mem_address;
     44	unsigned long pci_dac_offset;
     45
     46	void (*mv_pci_tbi)(struct pci_controller *hose,
     47			   dma_addr_t start, dma_addr_t end);
     48
     49	unsigned int (*mv_ioread8)(const void __iomem *);
     50	unsigned int (*mv_ioread16)(const void __iomem *);
     51	unsigned int (*mv_ioread32)(const void __iomem *);
     52
     53	void (*mv_iowrite8)(u8, void __iomem *);
     54	void (*mv_iowrite16)(u16, void __iomem *);
     55	void (*mv_iowrite32)(u32, void __iomem *);
     56
     57	u8 (*mv_readb)(const volatile void __iomem *);
     58	u16 (*mv_readw)(const volatile void __iomem *);
     59	u32 (*mv_readl)(const volatile void __iomem *);
     60	u64 (*mv_readq)(const volatile void __iomem *);
     61
     62	void (*mv_writeb)(u8, volatile void __iomem *);
     63	void (*mv_writew)(u16, volatile void __iomem *);
     64	void (*mv_writel)(u32, volatile void __iomem *);
     65	void (*mv_writeq)(u64, volatile void __iomem *);
     66
     67	void __iomem *(*mv_ioportmap)(unsigned long);
     68	void __iomem *(*mv_ioremap)(unsigned long, unsigned long);
     69	void (*mv_iounmap)(volatile void __iomem *);
     70	int (*mv_is_ioaddr)(unsigned long);
     71	int (*mv_is_mmio)(const volatile void __iomem *);
     72
     73	void (*mv_switch_mm)(struct mm_struct *, struct mm_struct *,
     74			     struct task_struct *);
     75	void (*mv_activate_mm)(struct mm_struct *, struct mm_struct *);
     76
     77	void (*mv_flush_tlb_current)(struct mm_struct *);
     78	void (*mv_flush_tlb_current_page)(struct mm_struct * mm,
     79					  struct vm_area_struct *vma,
     80					  unsigned long addr);
     81
     82	void (*update_irq_hw)(unsigned long, unsigned long, int);
     83	void (*ack_irq)(unsigned long);
     84	void (*device_interrupt)(unsigned long vector);
     85	void (*machine_check)(unsigned long vector, unsigned long la);
     86
     87	void (*smp_callin)(void);
     88	void (*init_arch)(void);
     89	void (*init_irq)(void);
     90	void (*init_rtc)(void);
     91	void (*init_pci)(void);
     92	void (*kill_arch)(int);
     93
     94	u8 (*pci_swizzle)(struct pci_dev *, u8 *);
     95	int (*pci_map_irq)(const struct pci_dev *, u8, u8);
     96	struct pci_ops *pci_ops;
     97
     98	struct _alpha_agp_info *(*agp_info)(void);
     99
    100	const char *vector_name;
    101
    102	/* System specific parameters.  */
    103	union {
    104	    struct {
    105		unsigned long gru_int_req_bits;
    106	    } cia;
    107
    108	    struct {
    109		unsigned long gamma_bias;
    110	    } t2;
    111
    112	    struct {
    113		unsigned int route_tab;
    114	    } sio;
    115	} sys;
    116};
    117
    118extern struct alpha_machine_vector alpha_mv;
    119
    120#ifdef CONFIG_ALPHA_GENERIC
    121extern int alpha_using_srm;
    122extern int alpha_using_qemu;
    123#else
    124# ifdef CONFIG_ALPHA_SRM
    125#  define alpha_using_srm 1
    126# else
    127#  define alpha_using_srm 0
    128# endif
    129# ifdef CONFIG_ALPHA_QEMU
    130#  define alpha_using_qemu 1
    131# else
    132#  define alpha_using_qemu 0
    133# endif
    134#endif /* GENERIC */
    135
    136#endif /* __KERNEL__ */
    137#endif /* __ALPHA_MACHVEC_H */