diff options
| -rw-r--r-- | miscutils/hdparm.c | 537 |
1 files changed, 158 insertions, 379 deletions
diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c index f473add90..e099c2be4 100644 --- a/miscutils/hdparm.c +++ b/miscutils/hdparm.c @@ -25,6 +25,7 @@ #include <sys/time.h> #include <sys/times.h> #include <sys/mount.h> +#include <getopt.h> #include "busybox.h" #include <linux/types.h> #include <linux/hdreg.h> @@ -567,13 +568,6 @@ static uint16_t check_if_maj_and_set_val(uint16_t a, uint16_t b) return a; } -static unsigned long int set_flag(char *p, char max) -{ - if (*p >= '0' && *p <= max ) - return 1; - return 0; -} - /* end of busybox specific stuff */ #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY @@ -633,7 +627,6 @@ static void print_ascii(uint16_t *p, uint8_t length) { others, though, were declared in hdparm.c with global scope; since other functions in that file have static (file) scope, I assume the difference is intentional. */ - static void identify(uint16_t *id_supplied) { uint16_t buf[256]; @@ -1240,17 +1233,17 @@ static unsigned long set_apmmode, get_apmmode, apmmode; static int get_IDentity; #endif #ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF -static int unregister_hwif; -static int hwif; +static unsigned long unregister_hwif; +static unsigned long hwif; #endif #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF -static int scan_hwif; -static int hwif_data; -static int hwif_ctrl; -static int hwif_irq; +static unsigned long scan_hwif; +static unsigned long hwif_data; +static unsigned long hwif_ctrl; +static unsigned long hwif_irq; #endif #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF -static int set_busstate, get_busstate, busstate; +static unsigned long set_busstate, get_busstate, busstate; #endif static int reread_partn; @@ -1258,7 +1251,7 @@ static int reread_partn; static int perform_reset; #endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */ #ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF -static int perform_tristate, tristate; +static unsigned long perform_tristate, tristate; #endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */ // Historically, if there was no HDIO_OBSOLETE_IDENTITY, then @@ -1839,14 +1832,14 @@ static void process_dev(char *devname) #ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF if (unregister_hwif) { - printf(" attempting to unregister hwif#%u\n", hwif); + printf(" attempting to unregister hwif#%lu\n", hwif); bb_ioctl(fd, HDIO_UNREGISTER_HWIF,(int *)(unsigned long)hwif,"HDIO_UNREGISTER_HWIF"); } #endif #ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF if (scan_hwif) { - printf(" attempting to scan hwif (0x%x, 0x%x, %u)\n", hwif_data, hwif_ctrl, hwif_irq); + printf(" attempting to scan hwif (0x%lx, 0x%lx, %lu)\n", hwif_data, hwif_ctrl, hwif_irq); args[0] = hwif_data; args[1] = hwif_ctrl; args[2] = hwif_irq; @@ -2246,7 +2239,7 @@ static void process_dev(char *devname) { if (get_busstate) { - printf(" setting bus state to %d", busstate); + printf(" setting bus state to %ld", busstate); bus_state_value(busstate); } bb_ioctl(fd, HDIO_SET_BUSSTATE, (int *)(unsigned long)busstate, "HDIO_SET_BUSSTATE"); @@ -2275,35 +2268,6 @@ static void process_dev(char *devname) close(fd); } -static char * GET_NUMBER(char *p, unsigned long *flag, unsigned long *num) -{ - *num = 0; - while (isdigit(*p)) { - *flag = 1; - *num = (*num * 10) + (*p++ - '0'); - } - return p; -} - -static char * GET_STRING(char *p, unsigned long *flag, int *num) -{ - char *tmpstr; - char name[32]; - tmpstr = name; - tmpstr[0] = '\0'; - while (isalnum(*p) && (tmpstr - name) < 31) { - tmpstr[0] = *p++; - tmpstr[1] = '\0'; - ++tmpstr; - } - *num = translate_xfermode(name); - if (*num == -1) - *flag = 0; - else - *flag = 1; - return p; -} - #ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY static int fromhex(unsigned char c) { @@ -2333,351 +2297,166 @@ static void identify_from_stdin(void) } #endif -static void missing_arg(int arg, char c, char* add) +/* busybox specific stuff */ +static void parse_opts(int flag, unsigned long *get, unsigned long *set, unsigned long *value, int min, int max) { - if (!arg) - bb_error_msg("-%c: missing value %s", c, (add!=NULL)? add :""); + if (flag) { + /* noisy is a global var */ + if (get) { /* *get is initialized to 0 */ + *get = noisy; + noisy = 1; + } + if (optarg) { + *set = 1; + *value = bb_xgetlarg(optarg, 10, min, max); + } + } } -/* our main() routine: */ -int hdparm_main(int argc, char **argv) +#ifdef HDIO_DRIVE_CMD +static void parse_opts_v2(int flag, unsigned long *get, unsigned long *set) { - char c, *p; + if (flag) { + /* noisy is a global var */ + *get = noisy; + noisy = 1; + *set = 1; + } +} +#endif - ++argv; - if (!--argc) - bb_show_usage(); +static void parse_opts_v3(int flag, unsigned long *get, unsigned long *set, int *value) +{ + if (flag) { + /* noisy is a global var */ + *get = noisy; + noisy = 1; + if (optarg) { + *set = ((*value = translate_xfermode(optarg)) > -1); + } + } +} - while (argc--) - { - if (ENABLE_FEATURE_HDPARM_GET_IDENTITY && !strcmp("-Istdin", *argv)) - identify_from_stdin(); - p = *argv++; - if (*p == '-') - { - if (!*++p) - bb_show_usage(); - while ((c = *p++)) - { - ++flagcount; - switch (c) - { - case 'V': - /*bb_error_msg_and_die("%s", VERSION);*/ - /* We have to return 0 here and not 1 */ - printf("%s %s\n",bb_applet_name, VERSION); - return EXIT_SUCCESS; - case 'v': - verbose = 1; - break; -#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY - case 'I': - get_IDentity = 1; - break; - case 'i': - get_identity = 1; - break; +/*-------------------------------------*/ +/* getopt long options */ +#if ENABLE_FEATURE_HDPARM_GET_IDENTITY +static const struct option HDPARM_LONG_OPT[] = +{ + {"Istdin", 0, NULL, '\256'}, + {NULL, 0, NULL, 0} +}; +#else +#define HDPARM_LONG_OPT NULL #endif - case 'g': - get_geom = 1; - break; - case 'f': - do_flush = 1; - break; - case 'q': - quiet = 1; - noisy = 0; - break; - case 'u': - get_unmask = noisy; - noisy = 1; - if (!*p && argc && isdigit(**argv)) - p = *argv++, --argc; - if ((set_unmask = set_flag(p,'1'))==1) - unmask = *p++ - '0'; - break; -#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA - case 'd': - get_dma = noisy; - noisy = 1; - if (!*p && argc && isdigit(**argv)) - p = *argv++, --argc; - if ((set_dma = set_flag(p,'9'))==1) - dma = *p++ - '0'; - break; -#endif /* CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA */ - case 'n': - get_nowerr = noisy; - noisy = 1; - if (!*p && argc && isdigit(**argv)) - p = *argv++, --argc; - if ((set_nowerr = set_flag(p,'1'))==1) - nowerr = *p++ - '0'; - break; - case 'p': - noisy_piomode = noisy; - noisy = 1; - if (!*p && argc && isalnum(**argv)) - p = *argv++, --argc; - p=GET_STRING(p,&set_piomode,&piomode); - break; - case 'r': - get_readonly = noisy; - noisy = 1; - if (!*p && argc && isdigit(**argv)) - p = *argv++, --argc; - if ((set_readonly = set_flag(p,'1'))==1) - readonly = *p++ - '0'; - break; - case 'm': - get_mult = noisy; - noisy = 1; - if (!*p && argc && isalnum(**argv)) - p = *argv++, --argc; - p=GET_NUMBER(p,&set_mult,&mult); - break; - case 'c': - get_io32bit = noisy; - noisy = 1; - if (!*p && argc && isalnum(**argv)) - p = *argv++, --argc; - p=GET_NUMBER(p,&set_io32bit,&io32bit); - break; +/*-------------------------------------*/ +/* getopt short options */ +static const char hdparm_options[]= "Vvgfqu::n::p:r::m::c::k::a::B:tTh"\ + USE_FEATURE_HDPARM_GET_IDENTITY("\256iI") + USE_FEATURE_HDPARM_HDIO_GETSET_DMA("d::") #ifdef HDIO_DRIVE_CMD - case 'S': - get_standby = noisy; - noisy = 1; - if (!*p && argc && isalnum(**argv)) - p = *argv++, --argc; - p=GET_NUMBER(p,&set_standby,&standby_requested); - missing_arg(set_standby, c, NULL); - break; - - case 'D': - get_defects = noisy; - noisy = 1; - if (!*p && argc && isalnum(**argv)) - p = *argv++, --argc; - p=GET_NUMBER(p,&set_defects,&defects); - missing_arg(set_defects, c, NULL); - break; - case 'P': - get_prefetch = noisy; - noisy = 1; - if (!*p && argc && isalnum(**argv)) - p = *argv++, --argc; - p=GET_NUMBER(p,&set_prefetch,&prefetch); - missing_arg(set_prefetch, c, NULL); - break; - - case 'X': - get_xfermode = noisy; - noisy = 1; - if (!*p && argc && isalnum(**argv)) - p = *argv++, --argc; - p=GET_STRING(p,&set_xfermode,&xfermode_requested); - missing_arg(set_xfermode, c, NULL); - break; - - case 'K': - get_dkeep = noisy; - noisy = 1; - if (!*p && argc && isdigit(**argv)) - p = *argv++, --argc; - if ((set_dkeep = set_flag(p,'1'))==1) - dkeep = *p++ - '0'; - else - goto missing_arg_error; - break; - - case 'A': - get_lookahead = noisy; - noisy = 1; - if (!*p && argc && isdigit(**argv)) - p = *argv++, --argc; - if ((set_lookahead = set_flag(p,'1'))==1) - lookahead = *p++ - '0'; - else - goto missing_arg_error; - break; - - case 'L': - get_doorlock = noisy; - noisy = 1; - if (!*p && argc && isdigit(**argv)) - p = *argv++, --argc; - if ((set_doorlock = set_flag(p,'1'))==1) - doorlock = *p++ - '0'; - else - goto missing_arg_error; - break; - - case 'W': - get_wcache = noisy; - noisy = 1; - if (!*p && argc && isdigit(**argv)) - p = *argv++, --argc; - if ((set_wcache = set_flag(p,'1'))==1) - wcache = *p++ - '0'; - else -missing_arg_error: - missing_arg(1, c, "(0/1)"); - break; - - case 'C': - get_powermode = noisy; - noisy = 1; - break; - - case 'y': - get_standbynow = noisy; - noisy = 1; - set_standbynow = 1; - break; - - case 'Y': - get_sleepnow = noisy; - noisy = 1; - set_sleepnow = 1; - break; - - case 'z': - reread_partn = 1; - break; - - case 'Z': - get_seagate = noisy; - noisy = 1; - set_seagate = 1; - break; -#endif /* HDIO_DRIVE_CMD */ - case 'k': - get_keep = noisy; - noisy = 1; - if (!*p && argc && isdigit(**argv)) - p = *argv++, --argc; - if ((set_keep = set_flag(p,'1'))==1) - keep = *p++ - '0'; - break; -#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF - case 'U': - if (!*p && argc && isdigit(**argv)) - p = *argv++, --argc; - if (! p) - goto expected_hwif_error; /* "expected hwif_nr" */ - - sscanf(p++, "%i", &hwif); - - unregister_hwif = 1; - break; -#endif /* CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF */ -#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF - case 'R': - if (!*p && argc && isdigit(**argv)) - p = *argv++, --argc; - if (! p) - goto expected_hwif_error; /* "expected hwif_data" */ - - sscanf(p++, "%i", &hwif_data); - - if (argc && isdigit(**argv)) - p = *argv++, --argc; - else - goto expected_hwif_error; /* "expected hwif_ctrl" */ - - sscanf(p, "%i", &hwif_ctrl); - - if (argc && isdigit(**argv)) - p = *argv++, --argc; - else -#endif /* CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF */ -#if defined CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF || defined CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF -expected_hwif_error: - bb_error_msg_and_die("expected hwif value"); /* "expected hwif_irq" */ -#endif /* CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF || CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF */ -#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF - - sscanf(p, "%i", &hwif_irq); - - *p = '\0'; - - scan_hwif = 1; - break; -#endif /* CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF */ - case 'Q': + "S::D::P::X::K::A::L::W::CyYzZ" +#endif + USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF("U:") #ifdef HDIO_GET_QDMA - get_dma_q = noisy; - noisy = 1; #ifdef HDIO_SET_QDMA - if (!*p && argc && isalnum(**argv)) - p = *argv++, --argc; - p=GET_NUMBER(p,&set_dma_q,&dma_q); -#ifdef HDIO_GET_QDMA - dma_q = -dma_q; -#endif + "Q:" +#else + "Q" #endif #endif - break; + USE_FEATURE_HDPARM_HDIO_DRIVE_RESET("w") + USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF("x::b:") + USE_FEATURE_HDPARM_HDIO_SCAN_HWIF("R:"); +/*-------------------------------------*/ -#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET - case 'w': - perform_reset = 1; - break; -#endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */ -#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF - case 'x': - if (!*p && argc && isdigit(**argv)) - p = *argv++, --argc; - if ((perform_tristate = set_flag(p,'1'))==1) - tristate = *p++ - '0'; - else - missing_arg(1, c, "(0/1)"); - break; - -#endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */ - case 'a': - get_readahead = noisy; - noisy = 1; - if (!*p && argc && isalnum(**argv)) - p = *argv++, --argc; - p=GET_NUMBER(p,&set_readahead,&Xreadahead); - break; - case 'B': - get_apmmode = noisy; - noisy = 1; - if (!*p && argc && isalnum(**argv)) - p = *argv++, --argc; - p=GET_NUMBER(p,&set_apmmode,&apmmode); - missing_arg(set_apmmode, c, "(1-255)"); - break; - case 't': - do_timings = 1; - do_flush = 1; - break; - case 'T': - do_ctimings = 1; - do_flush = 1; - break; -#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF - case 'b': - get_busstate = noisy; - noisy = 1; - if (!*p && argc && isdigit(**argv)) - p = *argv++, --argc; - if ((set_busstate = set_flag(p,'2'))==1) - busstate = *p++ - '0'; - break; +/* our main() routine: */ +int hdparm_main(int argc, char **argv) ATTRIBUTE_NORETURN; +int hdparm_main(int argc, char **argv) +{ + int c; + + while ((c = getopt_long (argc, argv, hdparm_options, HDPARM_LONG_OPT , NULL)) >= 0) { + /* When no flags are given (flagcount = 0), -acdgkmnru is assumed. */ + flagcount++; +#if ENABLE_FEATURE_HDPARM_GET_IDENTITY + if (c == '\256') { + identify_from_stdin(); /* EXIT */ + } #endif - case 'h': - default: - bb_show_usage(); - } - } - if (!argc) - bb_show_usage(); - } else { - process_dev(p); + if (c == 'V') { + printf("%s %s\n",bb_applet_name, VERSION); + exit(EXIT_SUCCESS); + } + + verbose = (c == 'v'); + USE_FEATURE_HDPARM_GET_IDENTITY(get_IDentity = (c == 'I')); + USE_FEATURE_HDPARM_GET_IDENTITY(get_identity = (c == 'i')); + get_geom = (c == 'g'); + do_flush = (c == 'f'); + if (c == 'q') { + quiet = 1; + noisy = 0; + } + parse_opts((c == 'u'), &get_unmask, &set_unmask, &unmask, 0, 1); + USE_FEATURE_HDPARM_HDIO_GETSET_DMA(parse_opts((c == 'd'), &get_dma, &set_dma, &dma, 0, 9)); + parse_opts((c == 'n'), &get_nowerr, &set_nowerr, &nowerr, 0, 1); + parse_opts_v3((c == 'p'), &noisy_piomode, &set_piomode, &piomode); + parse_opts((c == 'r'), &get_readonly, &set_readonly, &readonly, 0, 1); + parse_opts((c == 'm'), &get_mult, &set_mult, &mult, 0, INT_MAX /*32*/); + parse_opts((c == 'c'), &get_io32bit, &set_io32bit, &io32bit, 0, INT_MAX /*8*/); + parse_opts((c == 'k'), &get_keep, &set_keep, &keep, 0, 1); + parse_opts((c == 'a'), &get_readahead, &set_readahead, &Xreadahead, 0, INT_MAX); + parse_opts((c == 'B'), &get_apmmode, &set_apmmode, &apmmode, 1, 255); + do_flush |= do_timings = (c == 't'); + do_flush |= do_ctimings = (c == 'T'); +#ifdef HDIO_DRIVE_CMD + parse_opts((c == 'S'), &get_standby, &set_standby, &standby_requested, 0, INT_MAX); + parse_opts((c == 'D'), &get_defects, &set_defects, &defects, 0, INT_MAX); + parse_opts((c == 'P'), &get_prefetch, &set_prefetch, &prefetch, 0, INT_MAX); + parse_opts_v3((c == 'X'), &get_xfermode, &set_xfermode, &xfermode_requested); + parse_opts((c == 'K'), &get_dkeep, &set_dkeep, &prefetch, 0, 1); + parse_opts((c == 'A'), &get_lookahead, &set_lookahead, &lookahead, 0, 1); + parse_opts((c == 'L'), &get_doorlock, &set_doorlock, &doorlock, 0, 1); + parse_opts((c == 'W'), &get_wcache, &set_wcache, &wcache, 0, 1); + parse_opts_v3((c == 'C'), &get_powermode, NULL, NULL); + parse_opts_v2((c == 'y'), &get_standbynow, &set_standbynow); + parse_opts_v2((c == 'Y'), &get_sleepnow, &set_sleepnow); + reread_partn = (c == 'z'); + parse_opts_v2((c == 'Z'), &get_seagate, &set_seagate); +#endif + USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(parse_opts((c == 'U'), NULL, &unregister_hwif, &hwif, 0, INT_MAX)); +#ifdef HDIO_GET_QDMA +#ifdef HDIO_SET_QDMA + parse_opts((c == 'Q'), &get_dma_q, &set_dma_q, &dma_q, 0, INT_MAX); +#else + parse_opts((c == 'Q'), &get_dma_q, NULL, NULL, 0, 0); +#endif +#endif + USE_FEATURE_HDPARM_HDIO_DRIVE_RESET( perform_reset = (c == 'r')); + USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF(parse_opts((c == 'x'), NULL, &perform_tristate, &tristate, 0, 1)); + USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF(parse_opts((c == 'b'), &get_busstate, &set_busstate, &busstate, 0, 2)); +#if ENABLE_FEATURE_HDPARM_HDIO_SCAN_HWIF + if (c == 'R') { + parse_opts((c == 'R'), NULL, &scan_hwif, &hwif_data, 0, INT_MAX); + hwif_ctrl = bb_xgetlarg((argv[optind]) ? argv[optind] : "", 10, 0, INT_MAX); + hwif_irq = bb_xgetlarg((argv[optind+1]) ? argv[optind+1] : "", 10, 0, INT_MAX); + /* Move past the 2 additional arguments */ + argv += 2; + argc -= 2; } +#endif + } + + argc -= optind; + argv += optind; + + if (argc < 1) { + bb_show_usage(); + } + + while (argc--) { + process_dev(*argv); + argv++; } - return 0 ; + exit(EXIT_SUCCESS); } |