59 lines
1.1 KiB
C
59 lines
1.1 KiB
C
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/*
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* Dynamic loading of modules into the kernel.
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*/
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#ifndef _LINUX_MODULE_H
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#define _LINUX_MODULE_H
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/* values of module.state */
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#define MOD_UNINITIALIZED 0
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#define MOD_RUNNING 1
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#define MOD_DELETED 2
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/* maximum length of module name */
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#define MOD_MAX_NAME 64
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/* maximum length of symbol name */
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#define SYM_MAX_NAME 60
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struct module {
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struct module *next;
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char *name;
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int size; /* size of module in pages */
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void* addr; /* address of module */
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int state;
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void (*cleanup)(void); /* cleanup routine */
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};
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struct mod_routines {
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int (*init)(void); /* initialization routine */
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void (*cleanup)(void); /* cleanup routine */
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};
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struct kernel_sym {
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unsigned long value; /* value of symbol */
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char name[SYM_MAX_NAME]; /* name of symbol */
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};
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extern struct module *module_list;
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/*
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* The first word of the module contains the use count.
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*/
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#define GET_USE_COUNT(module) (* (int *) (module)->addr)
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/*
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* define the count variable, and usage macros.
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*/
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extern int mod_use_count_;
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#define MOD_INC_USE_COUNT mod_use_count_++
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#define MOD_DEC_USE_COUNT mod_use_count_--
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#define MOD_IN_USE (mod_use_count_ != 0)
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#endif
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