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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ipmi_si.h (2955B)

      1/* SPDX-License-Identifier: GPL-2.0+ */
      2/*
      3 * ipmi_si.h
      4 *
      5 * Interface from the device-specific interfaces (OF, DMI, ACPI, PCI,
      6 * etc) to the base ipmi system interface code.
      7 */
      8
      9#ifndef __IPMI_SI_H__
     10#define __IPMI_SI_H__
     11
     12#include <linux/ipmi.h>
     13#include <linux/interrupt.h>
     14#include <linux/platform_device.h>
     15
     16#define SI_DEVICE_NAME "ipmi_si"
     17
     18#define DEFAULT_REGSPACING	1
     19#define DEFAULT_REGSIZE		1
     20
     21/* Numbers in this enumerator should be mapped to si_to_str[] */
     22enum si_type {
     23	SI_TYPE_INVALID, SI_KCS, SI_SMIC, SI_BT, SI_TYPE_MAX
     24};
     25
     26/* Array is defined in the ipmi_si_intf.c */
     27extern const char *const si_to_str[];
     28
     29enum ipmi_addr_space {
     30	IPMI_IO_ADDR_SPACE, IPMI_MEM_ADDR_SPACE
     31};
     32
     33/*
     34 * The structure for doing I/O in the state machine.  The state
     35 * machine doesn't have the actual I/O routines, they are done through
     36 * this interface.
     37 */
     38struct si_sm_io {
     39	unsigned char (*inputb)(const struct si_sm_io *io, unsigned int offset);
     40	void (*outputb)(const struct si_sm_io *io,
     41			unsigned int  offset,
     42			unsigned char b);
     43
     44	/*
     45	 * Generic info used by the actual handling routines, the
     46	 * state machine shouldn't touch these.
     47	 */
     48	void __iomem *addr;
     49	unsigned int regspacing;
     50	unsigned int regsize;
     51	unsigned int regshift;
     52	enum ipmi_addr_space addr_space;
     53	unsigned long addr_data;
     54	enum ipmi_addr_src addr_source; /* ACPI, PCI, SMBIOS, hardcode, etc. */
     55	union ipmi_smi_info_union addr_info;
     56
     57	int (*io_setup)(struct si_sm_io *info);
     58	void (*io_cleanup)(struct si_sm_io *info);
     59	unsigned int io_size;
     60
     61	int irq;
     62	int (*irq_setup)(struct si_sm_io *io);
     63	void *irq_handler_data;
     64	void (*irq_cleanup)(struct si_sm_io *io);
     65
     66	u8 slave_addr;
     67	enum si_type si_type;
     68	struct device *dev;
     69};
     70
     71int ipmi_si_add_smi(struct si_sm_io *io);
     72irqreturn_t ipmi_si_irq_handler(int irq, void *data);
     73void ipmi_irq_start_cleanup(struct si_sm_io *io);
     74int ipmi_std_irq_setup(struct si_sm_io *io);
     75void ipmi_irq_finish_setup(struct si_sm_io *io);
     76void ipmi_si_remove_by_dev(struct device *dev);
     77struct device *ipmi_si_remove_by_data(int addr_space, enum si_type si_type,
     78				      unsigned long addr);
     79void ipmi_hardcode_init(void);
     80void ipmi_si_hardcode_exit(void);
     81void ipmi_si_hotmod_exit(void);
     82int ipmi_si_hardcode_match(int addr_space, unsigned long addr);
     83void ipmi_si_platform_init(void);
     84void ipmi_si_platform_shutdown(void);
     85void ipmi_remove_platform_device_by_name(char *name);
     86
     87extern struct platform_driver ipmi_platform_driver;
     88
     89#ifdef CONFIG_PCI
     90void ipmi_si_pci_init(void);
     91void ipmi_si_pci_shutdown(void);
     92#else
     93static inline void ipmi_si_pci_init(void) { }
     94static inline void ipmi_si_pci_shutdown(void) { }
     95#endif
     96#ifdef CONFIG_PARISC
     97void ipmi_si_parisc_init(void);
     98void ipmi_si_parisc_shutdown(void);
     99#else
    100static inline void ipmi_si_parisc_init(void) { }
    101static inline void ipmi_si_parisc_shutdown(void) { }
    102#endif
    103
    104int ipmi_si_port_setup(struct si_sm_io *io);
    105int ipmi_si_mem_setup(struct si_sm_io *io);
    106
    107#endif /* __IPMI_SI_H__ */