tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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
29struct ipmi_match_info {
30 enum si_type type;
31};
32
33extern const struct ipmi_match_info ipmi_kcs_si_info;
34extern const struct ipmi_match_info ipmi_smic_si_info;
35extern const struct ipmi_match_info ipmi_bt_si_info;
36
37enum ipmi_addr_space {
38 IPMI_IO_ADDR_SPACE, IPMI_MEM_ADDR_SPACE
39};
40
41/*
42 * The structure for doing I/O in the state machine. The state
43 * machine doesn't have the actual I/O routines, they are done through
44 * this interface.
45 */
46struct si_sm_io {
47 unsigned char (*inputb)(const struct si_sm_io *io, unsigned int offset);
48 void (*outputb)(const struct si_sm_io *io,
49 unsigned int offset,
50 unsigned char b);
51
52 /*
53 * Generic info used by the actual handling routines, the
54 * state machine shouldn't touch these.
55 */
56 void __iomem *addr;
57 unsigned int regspacing;
58 unsigned int regsize;
59 unsigned int regshift;
60 enum ipmi_addr_space addr_space;
61 unsigned long addr_data;
62 enum ipmi_addr_src addr_source; /* ACPI, PCI, SMBIOS, hardcode, etc. */
63 union ipmi_smi_info_union addr_info;
64
65 int (*io_setup)(struct si_sm_io *info);
66 void (*io_cleanup)(struct si_sm_io *info);
67 unsigned int io_size;
68
69 int irq;
70 int (*irq_setup)(struct si_sm_io *io);
71 void *irq_handler_data;
72 void (*irq_cleanup)(struct si_sm_io *io);
73
74 u8 slave_addr;
75 const struct ipmi_match_info *si_info;
76 struct device *dev;
77};
78
79int ipmi_si_add_smi(struct si_sm_io *io);
80irqreturn_t ipmi_si_irq_handler(int irq, void *data);
81void ipmi_irq_start_cleanup(struct si_sm_io *io);
82int ipmi_std_irq_setup(struct si_sm_io *io);
83void ipmi_irq_finish_setup(struct si_sm_io *io);
84void ipmi_si_remove_by_dev(struct device *dev);
85struct device *ipmi_si_remove_by_data(int addr_space, enum si_type si_type,
86 unsigned long addr);
87void ipmi_hardcode_init(void);
88void ipmi_si_hardcode_exit(void);
89void ipmi_si_hotmod_exit(void);
90int ipmi_si_hardcode_match(int addr_space, unsigned long addr);
91void ipmi_si_platform_init(void);
92void ipmi_si_platform_shutdown(void);
93void ipmi_remove_platform_device_by_name(char *name);
94
95extern struct platform_driver ipmi_platform_driver;
96
97#ifdef CONFIG_PCI
98void ipmi_si_pci_init(void);
99void ipmi_si_pci_shutdown(void);
100#else
101static inline void ipmi_si_pci_init(void) { }
102static inline void ipmi_si_pci_shutdown(void) { }
103#endif
104#ifdef CONFIG_IPMI_LS2K
105void ipmi_si_ls2k_init(void);
106void ipmi_si_ls2k_shutdown(void);
107#else
108static inline void ipmi_si_ls2k_init(void) { }
109static inline void ipmi_si_ls2k_shutdown(void) { }
110#endif
111#ifdef CONFIG_PARISC
112void ipmi_si_parisc_init(void);
113void ipmi_si_parisc_shutdown(void);
114#else
115static inline void ipmi_si_parisc_init(void) { }
116static inline void ipmi_si_parisc_shutdown(void) { }
117#endif
118
119int ipmi_si_port_setup(struct si_sm_io *io);
120int ipmi_si_mem_setup(struct si_sm_io *io);
121
122#endif /* __IPMI_SI_H__ */