105 lines
2.4 KiB
C
105 lines
2.4 KiB
C
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#include <stdbool.h>
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#include <stdint.h>
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#include <string.h>
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#include <sys/kassert.h>
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#include <sys/kdebug.h>
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#include <sys/sysctl.h>
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#define SYSCTL_TYPE_STR 1
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#define SYSCTL_TYPE_INT 2
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#define SYSCTL_TYPE_BOOL 3
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typedef struct SysCtlEntry {
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char path[64];
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int type;
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int flags;
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char description[128];
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void *node;
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} SysCtlEntry;
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#define SYSCTL_STR(_PATH, _FLAGS, _DESCRIPTION, _DEFAULT) \
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{ #_PATH, SYSCTL_TYPE_STR, _FLAGS, _DESCRIPTION, &SYSCTL_##_PATH },
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#define SYSCTL_INT(_PATH, _FLAGS, _DESCRIPTION, _DEFAULT) \
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{ #_PATH, SYSCTL_TYPE_INT, _FLAGS, _DESCRIPTION, &SYSCTL_##_PATH },
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#define SYSCTL_BOOL(_PATH, _FLAGS, _DESCRIPTION, _DEFAULT) \
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{ #_PATH, SYSCTL_TYPE_BOOL, _FLAGS, _DESCRIPTION, &SYSCTL_##_PATH },
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SysCtlEntry SYSCTLTable[] = {
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SYSCTL_LIST
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{ "", 0, 0, "", NULL },
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};
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#undef SYSCTL_STR
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#undef SYSCTL_INT
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#undef SYSCTL_BOOL
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#define SYSCTL_STR(_PATH, _FLAGS, _DESCRIPTION, _DEFAULT) \
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SysCtlString SYSCTL_##_PATH = { #_PATH, _DEFAULT };
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#define SYSCTL_INT(_PATH, _FLAGS, _DESCRIPTION, _DEFAULT) \
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SysCtlInt SYSCTL_##_PATH = { #_PATH, _DEFAULT };
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#define SYSCTL_BOOL(_PATH, _FLAGS, _DESCRIPTION, _DEFAULT) \
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SysCtlBool SYSCTL_##_PATH = { #_PATH, _DEFAULT };
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SYSCTL_LIST
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#undef SYSCTL_STR
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#undef SYSCTL_INT
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#undef SYSCTL_BOOL
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int
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SysCtl_Lookup(const char *path)
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{
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int i;
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for (i = 0; SYSCTLTable[i].path[0] != '\0'; i++) {
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if (strcmp(path, SYSCTLTable[i].path) == 0)
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return i;
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}
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return -1;
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}
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void
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Debug_SysCtl(int argc, const char *argv[])
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{
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int i;
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if (argc == 1) {
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kprintf("%-20s %s\n", "Name", "Description");
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for (i = 0; SYSCTLTable[i].path[0] != '\0'; i++) {
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kprintf("%-20s %s\n", SYSCTLTable[i].path, SYSCTLTable[i].description);
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}
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return;
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}
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i = SysCtl_Lookup(argv[1]);
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if (i == -1) {
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kprintf("Unknown sysctl node!\n");
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return;
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}
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if (argc == 2) {
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switch (SYSCTLTable[i].type) {
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case SYSCTL_TYPE_STR: {
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SysCtlString *val = (SysCtlString *)SYSCTLTable[i].node;
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kprintf("%s: %s\n", argv[1], val->value);
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break;
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}
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case SYSCTL_TYPE_INT: {
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SysCtlInt *val = (SysCtlInt *)SYSCTLTable[i].node;
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kprintf("%s: %ld\n", argv[1], val->value);
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break;
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}
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case SYSCTL_TYPE_BOOL: {
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SysCtlBool *val = (SysCtlBool *)SYSCTLTable[i].node;
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kprintf("%s: %s\n", argv[1], val->value ? "true" : "false");
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break;
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}
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}
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return;
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}
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}
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REGISTER_DBGCMD(sysctl, "SYSCTL", Debug_SysCtl);
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