Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) #include <stdlib.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #include <stdint.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #include <string.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) #include <stdio.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include "util/debug.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include "util/parse-sublevel-options.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) static int parse_one_sublevel_option(const char *str,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) 				     struct sublevel_option *opts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 	struct sublevel_option *opt = opts;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	char *vstr, *s = strdup(str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	int v = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	if (!s) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 		pr_err("no memory\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	vstr = strchr(s, '=');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	if (vstr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 		*vstr++ = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	while (opt->name) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 		if (!strcmp(s, opt->name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 		opt++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 	if (!opt->name) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 		pr_err("Unknown option name '%s'\n", s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		free(s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	if (vstr)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 		v = atoi(vstr);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	*opt->value_ptr = v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 	free(s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) /* parse options like --foo a=<n>,b,c... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) int perf_parse_sublevel_options(const char *str, struct sublevel_option *opts)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 	char *s = strdup(str);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 	char *p = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 	if (!s) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 		pr_err("no memory\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 		return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 	p = strtok(s, ",");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 	while (p) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 		ret = parse_one_sublevel_option(p, opts);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 		if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 			free(s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 		p = strtok(NULL, ",");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 	free(s);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) }