| Thomas Renninger | c4f3610 | 2013-06-28 15:34:31 +0200 | [diff] [blame] | 1 | #include <unistd.h> |
| 2 | #include <stdio.h> |
| 3 | #include <errno.h> |
| 4 | #include <stdlib.h> |
| 5 | #include <limits.h> |
| 6 | #include <string.h> |
| 7 | #include <ctype.h> |
| 8 | |
| 9 | #include <getopt.h> |
| 10 | |
| 11 | #include "cpufreq.h" |
| 12 | #include "helpers/helpers.h" |
| 13 | #include "helpers/sysfs.h" |
| 14 | |
| 15 | static struct option info_opts[] = { |
| 16 | { .name = "disable", .has_arg = required_argument, .flag = NULL, .val = 'd'}, |
| 17 | { .name = "enable", .has_arg = required_argument, .flag = NULL, .val = 'e'}, |
| 18 | { }, |
| 19 | }; |
| 20 | |
| 21 | |
| 22 | int cmd_idle_set(int argc, char **argv) |
| 23 | { |
| 24 | extern char *optarg; |
| 25 | extern int optind, opterr, optopt; |
| 26 | int ret = 0, cont = 1, param = 0, idlestate = 0; |
| 27 | unsigned int cpu = 0; |
| 28 | |
| 29 | do { |
| 30 | ret = getopt_long(argc, argv, "d:e:", info_opts, NULL); |
| 31 | if (ret == -1) |
| 32 | break; |
| 33 | switch (ret) { |
| 34 | case '?': |
| 35 | param = '?'; |
| 36 | cont = 0; |
| 37 | break; |
| 38 | case 'd': |
| 39 | if (param) { |
| 40 | param = -1; |
| 41 | cont = 0; |
| 42 | break; |
| 43 | } |
| 44 | param = ret; |
| 45 | idlestate = atoi(optarg); |
| 46 | break; |
| 47 | case 'e': |
| 48 | if (param) { |
| 49 | param = -1; |
| 50 | cont = 0; |
| 51 | break; |
| 52 | } |
| 53 | param = ret; |
| 54 | idlestate = atoi(optarg); |
| 55 | break; |
| 56 | case -1: |
| 57 | cont = 0; |
| 58 | break; |
| 59 | } |
| 60 | } while (cont); |
| 61 | |
| 62 | switch (param) { |
| 63 | case -1: |
| 64 | printf(_("You can't specify more than one " |
| 65 | "output-specific argument\n")); |
| 66 | exit(EXIT_FAILURE); |
| 67 | case '?': |
| 68 | printf(_("invalid or unknown argument\n")); |
| 69 | exit(EXIT_FAILURE); |
| 70 | } |
| 71 | |
| 72 | /* Default is: set all CPUs */ |
| 73 | if (bitmask_isallclear(cpus_chosen)) |
| 74 | bitmask_setall(cpus_chosen); |
| 75 | |
| 76 | for (cpu = bitmask_first(cpus_chosen); |
| 77 | cpu <= bitmask_last(cpus_chosen); cpu++) { |
| 78 | |
| 79 | if (!bitmask_isbitset(cpus_chosen, cpu)) |
| 80 | continue; |
| 81 | |
| 82 | switch (param) { |
| 83 | |
| 84 | case 'd': |
| 85 | ret = sysfs_idlestate_disable(cpu, idlestate, 1); |
| 86 | if (ret == 0) |
| 87 | printf(_("Idlestate %u disabled on CPU %u\n"), idlestate, cpu); |
| 88 | else if (ret == -1) |
| 89 | printf(_("Idlestate %u not available on CPU %u\n"), |
| 90 | idlestate, cpu); |
| 91 | else if (ret == -2) |
| 92 | printf(_("Idlestate disabling not supported by kernel\n")); |
| 93 | else |
| 94 | printf(_("Idlestate %u not disabled on CPU %u\n"), |
| 95 | idlestate, cpu); |
| 96 | break; |
| 97 | case 'e': |
| 98 | ret = sysfs_idlestate_disable(cpu, idlestate, 0); |
| 99 | if (ret == 0) |
| 100 | printf(_("Idlestate %u enabled on CPU %u\n"), idlestate, cpu); |
| 101 | else if (ret == -1) |
| 102 | printf(_("Idlestate %u not available on CPU %u\n"), |
| 103 | idlestate, cpu); |
| 104 | else if (ret == -2) |
| 105 | printf(_("Idlestate enabling not supported by kernel\n")); |
| 106 | else |
| 107 | printf(_("Idlestate %u not enabled on CPU %u\n"), |
| 108 | idlestate, cpu); |
| 109 | break; |
| 110 | default: |
| 111 | /* Not reachable with proper args checking */ |
| 112 | printf(_("Invalid or unknown argument\n")); |
| 113 | exit(EXIT_FAILURE); |
| 114 | break; |
| 115 | } |
| 116 | } |
| 117 | return EXIT_SUCCESS; |
| 118 | } |