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https://github.com/sheumann/hush.git
synced 2024-12-22 14:30:31 +00:00
Another patch from Denis Vlasenko:
Make hdparm smaller:
* Make bb_ioctl return the status
* Replace ioctl with bb_ioctl in a few places
* Add bb_ioctl_alt, use where appropriate (four places)
* unsigned char args1[4+512] = {WIN_IDENTIFY,0,0,1,};
ate 0.5k of rodata, fix that
This commit is contained in:
Rob Landley
parent
e5b281f89e
commit
5f8b5ecda2
@ -465,12 +465,23 @@ static const char * const secu_str[] = {
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static const char bb_msg_shared_mem[] = "could not %s sharedmem buf";
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static const char bb_msg_op_not_supp[] = " operation not supported on %s disks";
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static void bb_ioctl(int fd, int request, void *argp, const char *string)
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static int bb_ioctl(int fd, int request, void *argp, const char *string)
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{
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if (ioctl (fd, request, argp) != 0)
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int e = ioctl(fd, request, argp);
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if (e && string)
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bb_perror_msg(" %s", string);
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return e;
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}
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static int bb_ioctl_alt(int fd, int cmd, unsigned char *args, int alt, const char *string)
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{
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if (!ioctl(fd, cmd, args))
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return 0;
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args[0] = alt;
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return bb_ioctl(fd, cmd, args, string);
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}
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static void if_printf(unsigned long i, char *fmt, ... )
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{
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va_list ap;
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@ -1454,7 +1465,7 @@ static void flush_buffer_cache (int fd)
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#ifdef HDIO_DRIVE_CMD
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sleep(1);
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if (ioctl(fd, HDIO_DRIVE_CMD, NULL) && errno != EINVAL) /* await completion */
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bb_perror_msg("HDIO_DRIVE_CMD");
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bb_perror_msg("HDIO_DRIVE_CMD");
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#endif
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}
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@ -2116,13 +2127,13 @@ static void process_dev (char *devname)
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args[2] = wcache ? 0x02 : 0x82;
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if_printf_on_off(get_wcache," setting drive write-caching to %ld", wcache);
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#ifdef DO_FLUSHCACHE
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if (!wcache && ioctl(fd, HDIO_DRIVE_CMD, &flushcache))
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bb_perror_msg ("HDIO_DRIVE_CMD(flushcache)");
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if (!wcache)
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bb_ioctl(fd, HDIO_DRIVE_CMD, &flushcache, "HDIO_DRIVE_CMD(flushcache)");
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#endif /* DO_FLUSHCACHE */
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bb_ioctl(fd, HDIO_DRIVE_CMD, &args, "HDIO_DRIVE_CMD(setcache)");
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#ifdef DO_FLUSHCACHE
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if (!wcache && ioctl(fd, HDIO_DRIVE_CMD, &flushcache))
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bb_perror_msg ("HDIO_DRIVE_CMD(flushcache)");
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if (!wcache)
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bb_ioctl(fd, HDIO_DRIVE_CMD, &flushcache, "HDIO_DRIVE_CMD(flushcache)");
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#endif /* DO_FLUSHCACHE */
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}
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if (set_standbynow)
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@ -2133,13 +2144,10 @@ static void process_dev (char *devname)
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#ifndef WIN_STANDBYNOW2
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#define WIN_STANDBYNOW2 0x94
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#endif
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static unsigned char args1[4] = {WIN_STANDBYNOW1,0,0,0};
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static unsigned char args2[4] = {WIN_STANDBYNOW2,0,0,0};
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no_scsi();
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if_printf(get_standbynow," issuing standby command\n");
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if (ioctl(fd, HDIO_DRIVE_CMD, &args1)
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&& ioctl(fd, HDIO_DRIVE_CMD, &args2))
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bb_perror_msg("HDIO_DRIVE_CMD(standby)");
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args[0] = WIN_STANDBYNOW1;
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bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_STANDBYNOW2, "HDIO_DRIVE_CMD(standby)");
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}
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if (set_sleepnow)
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{
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@ -2149,13 +2157,10 @@ static void process_dev (char *devname)
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#ifndef WIN_SLEEPNOW2
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#define WIN_SLEEPNOW2 0x99
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#endif
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static unsigned char args1[4] = {WIN_SLEEPNOW1,0,0,0};
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static unsigned char args2[4] = {WIN_SLEEPNOW2,0,0,0};
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no_scsi();
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if_printf(get_sleepnow," issuing sleep command\n");
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if (ioctl(fd, HDIO_DRIVE_CMD, &args1)
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&& ioctl(fd, HDIO_DRIVE_CMD, &args2))
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bb_perror_msg("HDIO_DRIVE_CMD(sleep)");
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args[0] = WIN_SLEEPNOW1;
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bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_SLEEPNOW2, "HDIO_DRIVE_CMD(sleep)");
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}
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if (set_seagate)
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{
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@ -2207,9 +2212,7 @@ static void process_dev (char *devname)
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if ((verbose && !is_scsi_hd && !is_xt_hd) || get_io32bit)
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{
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no_scsi_no_xt();
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if(ioctl(fd, HDIO_GET_32BIT, &parm))
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bb_perror_msg("HDIO_GET_32BIT");
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else
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if(!bb_ioctl(fd, HDIO_GET_32BIT, &parm, "HDIO_GET_32BIT"))
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{
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printf(" IO_support =%3ld (", parm);
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switch (parm)
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@ -2245,9 +2248,7 @@ static void process_dev (char *devname)
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#ifdef CONFIG_FEATURE_HDPARM_HDIO_GETSET_DMA
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if ((verbose && !is_scsi_hd) || get_dma) {
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no_scsi();
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if(ioctl(fd, HDIO_GET_DMA, &parm))
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bb_perror_msg("HDIO_GET_DMA");
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else
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if(!bb_ioctl(fd, HDIO_GET_DMA, &parm, "HDIO_GET_DMA"))
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{
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printf(" using_dma = %2ld", parm);
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if (parm == 8)
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@ -2294,16 +2295,16 @@ static void process_dev (char *devname)
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static struct hd_big_geometry bg;
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#endif
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if (ioctl(fd, BLKGETSIZE, &parm))
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bb_perror_msg("BLKGETSIZE");
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if (!bb_ioctl(fd, BLKGETSIZE, &parm, "BLKGETSIZE"))
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{
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#ifdef HDIO_GETGEO_BIG
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else if (!ioctl(fd, HDIO_GETGEO_BIG, &bg))
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printf(msg, bg.cylinders, bg.heads, bg.sectors, parm, bg.start);
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if (!bb_ioctl(fd, HDIO_GETGEO_BIG, &bg, "HDIO_GETGEO_BIG"))
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printf(msg, bg.cylinders, bg.heads, bg.sectors, parm, bg.start);
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else
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#endif
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else if (ioctl(fd, HDIO_GETGEO, &g))
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bb_perror_msg("HDIO_GETGEO");
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else
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printf(msg, g.cylinders, g.heads, g.sectors, parm, g.start);
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if (!bb_ioctl(fd, HDIO_GETGEO, &g, "HDIO_GETGEO"))
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printf(msg, g.cylinders, g.heads, g.sectors, parm, g.start);
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}
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}
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#ifdef HDIO_DRIVE_CMD
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if (get_powermode)
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@ -2315,11 +2316,10 @@ static void process_dev (char *devname)
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#define WIN_CHECKPOWERMODE2 0x98
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#endif
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const char *state;
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no_scsi();
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args[0] = WIN_CHECKPOWERMODE1;
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if (ioctl(fd, HDIO_DRIVE_CMD, &args)
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&& (args[0] = WIN_CHECKPOWERMODE2) /* try again with 0x98 */
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&& ioctl(fd, HDIO_DRIVE_CMD, &args))
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if (bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args, WIN_CHECKPOWERMODE2, 0))
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{
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if (errno != EIO || args[0] != 0 || args[1] != 0)
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state = "unknown";
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@ -2374,23 +2374,19 @@ static void process_dev (char *devname)
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if (get_IDentity)
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{
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unsigned char args1[4+512] = {WIN_IDENTIFY,0,0,1,};
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unsigned char args1[4+512]; /* = { ... } will eat 0.5k of rodata! */
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unsigned i;
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no_scsi_no_xt();
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if (ioctl(fd, HDIO_DRIVE_CMD, &args1))
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{
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args[0] = WIN_PIDENTIFY;
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if (ioctl(fd, HDIO_DRIVE_CMD, &args1))
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{
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bb_perror_msg("HDIO_DRIVE_CMD(identify)");
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goto identify_abort;
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}
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}
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memset(args1, 0, sizeof(args1));
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args1[0] = WIN_IDENTIFY;
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args1[3] = 1;
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if (bb_ioctl_alt(fd, HDIO_DRIVE_CMD, args1, WIN_PIDENTIFY, "HDIO_DRIVE_CMD(identify)"))
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goto identify_abort;
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for(i=0; i<(sizeof args1)/2; i+=2)
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__le16_to_cpus((uint16_t *)(&args1[i]));
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identify((void *)&args1[4], NULL);
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identify_abort:
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/* VOID */;
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@ -2412,9 +2408,7 @@ identify_abort:
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if (get_busstate)
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{
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no_scsi();
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if (ioctl(fd, HDIO_GET_BUSSTATE, &parm))
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bb_perror_msg("HDIO_GET_BUSSTATE");
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else
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if (!bb_ioctl(fd, HDIO_GET_BUSSTATE, &parm, "HDIO_GET_BUSSTATE"))
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{
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printf(" busstate = %2ld", parm);
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bus_state_value(parm);
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