diff options
| -rw-r--r-- | miscutils/hdparm.c | 276 |
1 files changed, 179 insertions, 97 deletions
diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c index 39e4990..a3a5a73 100644 --- a/miscutils/hdparm.c +++ b/miscutils/hdparm.c @@ -379,11 +379,6 @@ static const char *const cmd_feat_str[] = { "SMART self-test ", /* word 84 bit 1 */ "SMART error logging " /* word 84 bit 0 */ }; - -static void identify(uint16_t *id_supplied) ATTRIBUTE_NORETURN; -static void identify_from_stdin(void) ATTRIBUTE_NORETURN; -#else -void identify_from_stdin(void); #endif @@ -444,6 +439,162 @@ static const char *const secu_str[] = { enum { fd = 3 }; + +struct globals { + smallint get_identity, get_geom; + smallint do_flush; + smallint do_ctimings, do_timings; + smallint reread_partn; + smallint set_piomode, noisy_piomode; + smallint set_readahead, get_readahead; + smallint set_readonly, get_readonly; + smallint set_unmask, get_unmask; + smallint set_mult, get_mult; + smallint set_dma_q, get_dma_q; + smallint set_nowerr, get_nowerr; + smallint set_keep, get_keep; + smallint set_io32bit, get_io32bit; + int piomode; + unsigned long Xreadahead; + unsigned long readonly; + unsigned long unmask; + unsigned long mult; + unsigned long dma_q; + unsigned long nowerr; + unsigned long keep; + unsigned long io32bit; +#if ENABLE_FEATURE_HDPARM_HDIO_GETSET_DMA + unsigned long dma; + smallint set_dma, get_dma; +#endif +#ifdef HDIO_DRIVE_CMD + smallint set_xfermode, get_xfermode; + smallint set_dkeep, get_dkeep; + smallint set_standby, get_standby; + smallint set_lookahead, get_lookahead; + smallint set_prefetch, get_prefetch; + smallint set_defects, get_defects; + smallint set_wcache, get_wcache; + smallint set_doorlock, get_doorlock; + smallint set_seagate, get_seagate; + smallint set_standbynow, get_standbynow; + smallint set_sleepnow, get_sleepnow; + smallint get_powermode; + smallint set_apmmode, get_apmmode; + int xfermode_requested; + unsigned long dkeep; + unsigned long standby_requested; + unsigned long lookahead; + unsigned long prefetch; + unsigned long defects; + unsigned long wcache; + unsigned long doorlock; + unsigned long apmmode; +#endif + USE_FEATURE_HDPARM_GET_IDENTITY( smallint get_IDentity;) + USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( smallint set_busstate, get_busstate;) + USE_FEATURE_HDPARM_HDIO_DRIVE_RESET( smallint perform_reset;) + USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( smallint perform_tristate;) + USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(smallint unregister_hwif;) + USE_FEATURE_HDPARM_HDIO_SCAN_HWIF( smallint scan_hwif;) + USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( unsigned long busstate;) + USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( unsigned long tristate;) + USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(unsigned long hwif;) +#if ENABLE_FEATURE_HDPARM_HDIO_SCAN_HWIF + unsigned long hwif_data; + unsigned long hwif_ctrl; + unsigned long hwif_irq; +#endif +}; +#define G (*(struct globals*)&bb_common_bufsiz1) +struct BUG_G_too_big { + char BUG_G_too_big[sizeof(G) <= COMMON_BUFSIZE ? 1 : -1]; +}; +#define get_identity (G.get_identity ) +#define get_geom (G.get_geom ) +#define do_flush (G.do_flush ) +#define do_ctimings (G.do_ctimings ) +#define do_timings (G.do_timings ) +#define reread_partn (G.reread_partn ) +#define set_piomode (G.set_piomode ) +#define noisy_piomode (G.noisy_piomode ) +#define set_readahead (G.set_readahead ) +#define get_readahead (G.get_readahead ) +#define set_readonly (G.set_readonly ) +#define get_readonly (G.get_readonly ) +#define set_unmask (G.set_unmask ) +#define get_unmask (G.get_unmask ) +#define set_mult (G.set_mult ) +#define get_mult (G.get_mult ) +#define set_dma_q (G.set_dma_q ) +#define get_dma_q (G.get_dma_q ) +#define set_nowerr (G.set_nowerr ) +#define get_nowerr (G.get_nowerr ) +#define set_keep (G.set_keep ) +#define get_keep (G.get_keep ) +#define set_io32bit (G.set_io32bit ) +#define get_io32bit (G.get_io32bit ) +#define piomode (G.piomode ) +#define Xreadahead (G.Xreadahead ) +#define readonly (G.readonly ) +#define unmask (G.unmask ) +#define mult (G.mult ) +#define dma_q (G.dma_q ) +#define nowerr (G.nowerr ) +#define keep (G.keep ) +#define io32bit (G.io32bit ) +#define dma (G.dma ) +#define set_dma (G.set_dma ) +#define get_dma (G.get_dma ) +#define set_xfermode (G.set_xfermode ) +#define get_xfermode (G.get_xfermode ) +#define set_dkeep (G.set_dkeep ) +#define get_dkeep (G.get_dkeep ) +#define set_standby (G.set_standby ) +#define get_standby (G.get_standby ) +#define set_lookahead (G.set_lookahead ) +#define get_lookahead (G.get_lookahead ) +#define set_prefetch (G.set_prefetch ) +#define get_prefetch (G.get_prefetch ) +#define set_defects (G.set_defects ) +#define get_defects (G.get_defects ) +#define set_wcache (G.set_wcache ) +#define get_wcache (G.get_wcache ) +#define set_doorlock (G.set_doorlock ) +#define get_doorlock (G.get_doorlock ) +#define set_seagate (G.set_seagate ) +#define get_seagate (G.get_seagate ) +#define set_standbynow (G.set_standbynow ) +#define get_standbynow (G.get_standbynow ) +#define set_sleepnow (G.set_sleepnow ) +#define get_sleepnow (G.get_sleepnow ) +#define get_powermode (G.get_powermode ) +#define set_apmmode (G.set_apmmode ) +#define get_apmmode (G.get_apmmode ) +#define xfermode_requested (G.xfermode_requested ) +#define dkeep (G.dkeep ) +#define standby_requested (G.standby_requested ) +#define lookahead (G.lookahead ) +#define prefetch (G.prefetch ) +#define defects (G.defects ) +#define wcache (G.wcache ) +#define doorlock (G.doorlock ) +#define apmmode (G.apmmode ) +#define get_IDentity (G.get_IDentity ) +#define set_busstate (G.set_busstate ) +#define get_busstate (G.get_busstate ) +#define perform_reset (G.perform_reset ) +#define perform_tristate (G.perform_tristate ) +#define unregister_hwif (G.unregister_hwif ) +#define scan_hwif (G.scan_hwif ) +#define busstate (G.busstate ) +#define tristate (G.tristate ) +#define hwif (G.hwif ) +#define hwif_data (G.hwif_data ) +#define hwif_ctrl (G.hwif_ctrl ) +#define hwif_irq (G.hwif_irq ) + + /* Busybox messages and functions */ #if ENABLE_IOCTL_HEX2STR_ERROR static int ioctl_alt_func(/*int fd,*/ int cmd, unsigned char *args, int alt, const char *string) @@ -544,6 +695,7 @@ static uint8_t mode_loop(uint16_t mode_sup, uint16_t mode_sel, int cc, uint8_t * // Parse 512 byte disk identification block and print much crap. +static void identify(uint16_t *val) ATTRIBUTE_NORETURN; static void identify(uint16_t *val) { uint16_t ii, jj, kk; @@ -1012,72 +1164,6 @@ static void identify(uint16_t *val) } #endif -static smallint get_identity, get_geom; -static smallint do_flush; -static smallint do_ctimings, do_timings; -static smallint reread_partn; - -static smallint set_piomode, noisy_piomode; -static smallint set_readahead, get_readahead; -static smallint set_readonly, get_readonly; -static smallint set_unmask, get_unmask; -static smallint set_mult, get_mult; -static smallint set_dma_q, get_dma_q; -static smallint set_nowerr, get_nowerr; -static smallint set_keep, get_keep; -static smallint set_io32bit, get_io32bit; -static int piomode; -static unsigned long Xreadahead; -static unsigned long readonly; -static unsigned long unmask; -static unsigned long mult; -static unsigned long dma_q; -static unsigned long nowerr; -static unsigned long keep; -static unsigned long io32bit; -#if ENABLE_FEATURE_HDPARM_HDIO_GETSET_DMA -static unsigned long dma; -static smallint set_dma, get_dma; -#endif -#ifdef HDIO_DRIVE_CMD -static smallint set_xfermode, get_xfermode; -static smallint set_dkeep, get_dkeep; -static smallint set_standby, get_standby; -static smallint set_lookahead, get_lookahead; -static smallint set_prefetch, get_prefetch; -static smallint set_defects, get_defects; -static smallint set_wcache, get_wcache; -static smallint set_doorlock, get_doorlock; -static smallint set_seagate, get_seagate; -static smallint set_standbynow, get_standbynow; -static smallint set_sleepnow, get_sleepnow; -static smallint get_powermode; -static smallint set_apmmode, get_apmmode; -static int xfermode_requested; -static unsigned long dkeep; -static unsigned long standby_requested; -static unsigned long lookahead; -static unsigned long prefetch; -static unsigned long defects; -static unsigned long wcache; -static unsigned long doorlock; -static unsigned long apmmode; -#endif -USE_FEATURE_HDPARM_GET_IDENTITY( static smallint get_IDentity;) -USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( static smallint set_busstate, get_busstate;) -USE_FEATURE_HDPARM_HDIO_DRIVE_RESET( static smallint perform_reset;) -USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( static smallint perform_tristate;) -USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(static smallint unregister_hwif;) -USE_FEATURE_HDPARM_HDIO_SCAN_HWIF( static smallint scan_hwif;) -USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( static unsigned long busstate;) -USE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF( static unsigned long tristate;) -USE_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF(static unsigned long hwif;) -#if ENABLE_FEATURE_HDPARM_HDIO_SCAN_HWIF -static unsigned long hwif_data; -static unsigned long hwif_ctrl; -static unsigned long hwif_irq; -#endif - // Historically, if there was no HDIO_OBSOLETE_IDENTITY, then // then the HDIO_GET_IDENTITY only returned 142 bytes. // Otherwise, HDIO_OBSOLETE_IDENTITY returns 142 bytes, @@ -1251,11 +1337,9 @@ static void flush_buffer_cache(/*int fd*/ void) #endif } -static int seek_to_zero(/*int fd*/ void) +static void seek_to_zero(/*int fd*/ void) { - if (lseek(fd, (off_t) 0, SEEK_SET)) - return 1; - return 0; + xlseek(fd, (off_t) 0, SEEK_SET); } static int read_big_block(/*int fd,*/ char *buf) @@ -1273,18 +1357,18 @@ static int read_big_block(/*int fd,*/ char *buf) return 0; } -static int do_blkgetsize(/*int fd,*/ unsigned long long *blksize64) +static unsigned long long do_blkgetsize(/*int fd*/ void) { - int rc; - unsigned blksize32 = 0; + union { + unsigned long long blksize64; + unsigned blksize32; + } u; - if (0 == ioctl(fd, BLKGETSIZE64, blksize64)) { // returns bytes - *blksize64 /= 512; - return 0; + if (0 == ioctl(fd, BLKGETSIZE64, &u.blksize64)) { // returns bytes + return u.blksize64 / 512; } - rc = ioctl_or_warn(fd, BLKGETSIZE, &blksize32); // returns sectors - *blksize64 = blksize32; - return rc; + xioctl(fd, BLKGETSIZE, &u.blksize32); // returns sectors + return u.blksize32; } static void print_timing(unsigned t, double e) @@ -1303,25 +1387,20 @@ static void do_time(int flag /*,int fd*/) struct itimerval itv; unsigned elapsed, elapsed2; unsigned max_iterations, total_MB, iterations; - unsigned long long blksize; - RESERVE_CONFIG_BUFFER(buf, TIMING_BUF_BYTES); + char *buf = xmalloc(TIMING_BUF_BYTES); if (mlock(buf, TIMING_BUF_BYTES)) { bb_perror_msg("mlock"); goto quit2; } - max_iterations = 1024; - if (0 == do_blkgetsize(&blksize)) { - max_iterations = blksize / (2 * 1024) / TIMING_BUF_MB; - } + max_iterations = do_blkgetsize() / (2 * 1024) / TIMING_BUF_MB; /* Clear out the device request queues & give them time to complete */ sync(); sleep(2); if (flag == 0) { /* Time cache */ - if (seek_to_zero()) - goto quit; + seek_to_zero(); if (read_big_block(buf)) goto quit; printf(" Timing buffer-cache reads: "); @@ -1334,12 +1413,13 @@ static void do_time(int flag /*,int fd*/) * getitimer() is used rather than gettimeofday() because * it is much more consistent (on my machine, at least). */ +//TODO: get rid of setitimer(ITIMER_REAL, &thousand, NULL); /* Now do the timing */ do { ++iterations; - if ((flag == 0) && seek_to_zero()) - goto quit; + if (flag == 0) + seek_to_zero(); if (read_big_block(buf)) goto quit; getitimer(ITIMER_REAL, &itv); @@ -1351,8 +1431,7 @@ static void do_time(int flag /*,int fd*/) /* Now remove the lseek() and getitimer() overheads from the elapsed time */ setitimer(ITIMER_REAL, &thousand, NULL); do { - if (seek_to_zero()) - goto quit; + seek_to_zero(); getitimer(ITIMER_REAL, &itv); elapsed2 = (1000 - itv.it_value.tv_sec) * 1000000 - itv.it_value.tv_usec; @@ -1365,7 +1444,7 @@ static void do_time(int flag /*,int fd*/) quit: munlock(buf, TIMING_BUF_BYTES); quit2: - RELEASE_CONFIG_BUFFER(buf); + free(buf); } #if ENABLE_FEATURE_HDPARM_HDIO_TRISTATE_HWIF @@ -1851,6 +1930,7 @@ static int fromhex(unsigned char c) bb_error_msg_and_die("bad char: '%c' 0x%02x", c, c); } +static void identify_from_stdin(void) ATTRIBUTE_NORETURN; static void identify_from_stdin(void) { uint16_t sbuf[256]; @@ -1872,6 +1952,8 @@ static void identify_from_stdin(void) identify(sbuf); } +#else +void identify_from_stdin(void); #endif /* busybox specific stuff */ |