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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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e7a19c5624
At the moment, dmi_walk() lacks flexibility, users can't pass data to the callback function. Add a pointer for private data to make this function more flexible. Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Hans de Goede <hdegoede@redhat.com> Cc: Matthew Garrett <mjg@redhat.com> Cc: Roland Dreier <rolandd@cisco.com>
75 lines
2.2 KiB
C
75 lines
2.2 KiB
C
#ifndef __DMI_H__
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#define __DMI_H__
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#include <linux/list.h>
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#include <linux/mod_devicetable.h>
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/* enum dmi_field is in mod_devicetable.h */
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enum dmi_device_type {
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DMI_DEV_TYPE_ANY = 0,
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DMI_DEV_TYPE_OTHER,
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DMI_DEV_TYPE_UNKNOWN,
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DMI_DEV_TYPE_VIDEO,
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DMI_DEV_TYPE_SCSI,
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DMI_DEV_TYPE_ETHERNET,
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DMI_DEV_TYPE_TOKENRING,
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DMI_DEV_TYPE_SOUND,
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DMI_DEV_TYPE_PATA,
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DMI_DEV_TYPE_SATA,
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DMI_DEV_TYPE_SAS,
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DMI_DEV_TYPE_IPMI = -1,
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DMI_DEV_TYPE_OEM_STRING = -2,
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};
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struct dmi_header {
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u8 type;
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u8 length;
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u16 handle;
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};
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struct dmi_device {
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struct list_head list;
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int type;
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const char *name;
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void *device_data; /* Type specific data */
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};
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#ifdef CONFIG_DMI
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extern int dmi_check_system(const struct dmi_system_id *list);
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const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list);
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extern const char * dmi_get_system_info(int field);
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extern const struct dmi_device * dmi_find_device(int type, const char *name,
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const struct dmi_device *from);
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extern void dmi_scan_machine(void);
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extern int dmi_get_year(int field);
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extern int dmi_name_in_vendors(const char *str);
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extern int dmi_name_in_serial(const char *str);
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extern int dmi_available;
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extern int dmi_walk(void (*decode)(const struct dmi_header *, void *),
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void *private_data);
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extern bool dmi_match(enum dmi_field f, const char *str);
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#else
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static inline int dmi_check_system(const struct dmi_system_id *list) { return 0; }
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static inline const char * dmi_get_system_info(int field) { return NULL; }
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static inline const struct dmi_device * dmi_find_device(int type, const char *name,
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const struct dmi_device *from) { return NULL; }
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static inline void dmi_scan_machine(void) { return; }
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static inline int dmi_get_year(int year) { return 0; }
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static inline int dmi_name_in_vendors(const char *s) { return 0; }
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static inline int dmi_name_in_serial(const char *s) { return 0; }
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#define dmi_available 0
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static inline int dmi_walk(void (*decode)(const struct dmi_header *, void *),
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void *private_data) { return -1; }
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static inline bool dmi_match(enum dmi_field f, const char *str)
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{ return false; }
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static inline const struct dmi_system_id *
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dmi_first_match(const struct dmi_system_id *list) { return NULL; }
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#endif
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#endif /* __DMI_H__ */
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