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authorEric Andersen <andersen@codepoet.org>2003-07-22 07:30:36 +0000
committerEric Andersen <andersen@codepoet.org>2003-07-22 07:30:36 +0000
commit3443bd72863326cca2ef4ba78965c05abc77cb96 (patch)
tree009687f5e562149649a40a8c0878c871c72e30bb
parent1ebcff191a57d792dcbcc651974c54510ed03696 (diff)
downloadbusybox-w32-3443bd72863326cca2ef4ba78965c05abc77cb96.tar.gz
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Matteo Croce submitted a hdparm applet.
Diffstat
-rw-r--r--include/applets.h3
-rw-r--r--include/usage.h75
-rw-r--r--miscutils/Config.in50
-rw-r--r--miscutils/Makefile.in1
-rw-r--r--miscutils/hdparm.c2665
5 files changed, 2794 insertions, 0 deletions
diff --git a/include/applets.h b/include/applets.h
index 5fe01de5f..2a90b66c5 100644
--- a/include/applets.h
+++ b/include/applets.h
@@ -241,6 +241,9 @@
241#ifdef CONFIG_HALT 241#ifdef CONFIG_HALT
242 APPLET(halt, halt_main, _BB_DIR_SBIN, _BB_SUID_NEVER) 242 APPLET(halt, halt_main, _BB_DIR_SBIN, _BB_SUID_NEVER)
243#endif 243#endif
244#ifdef CONFIG_HDPARM
245 APPLET(hdparm, hdparm_main, _BB_DIR_SBIN, _BB_SUID_NEVER)
246#endif
244#ifdef CONFIG_HEAD 247#ifdef CONFIG_HEAD
245 APPLET(head, head_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER) 248 APPLET(head, head_main, _BB_DIR_USR_BIN, _BB_SUID_NEVER)
246#endif 249#endif
diff --git a/include/usage.h b/include/usage.h
index d7de5e09e..6f8558800 100644
--- a/include/usage.h
+++ b/include/usage.h
@@ -805,6 +805,81 @@
805#define halt_full_usage \ 805#define halt_full_usage \
806 "Halt the system." 806 "Halt the system."
807 807
808#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
809#define USAGE_HDPARM_IDENT(a) a
810#else
811#define USAGE_HDPARM_IDENT(a)
812#endif
813
814#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
815#define USAGE_SCAN_HWIF(a) a
816#else
817#define USAGE_SCAN_HWIF(a)
818#endif
819
820#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
821#define USAGE_UNREGISTER_HWIF(a) a
822#else
823#define USAGE_UNREGISTER_HWIF(a)
824#endif
825
826#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
827#define USAGE_DRIVE_RESET(a) a
828#else
829#define USAGE_DRIVE_RESET(a)
830#endif
831
832#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
833#define USAGE_TRISTATE_HWIF(a) a
834#else
835#define USAGE_TRISTATE_HWIF(a)
836#endif
837
838#define hdparm_trivial_usage \
839 "[options] [device] .."
840#define hdparm_full_usage \
841 "Options:" \
842 " -a get/set fs readahead\n" \
843 " -A set drive read-lookahead flag (0/1)\n" \
844 " -b get/set bus state (0 == off, 1 == on, 2 == tristate)\n" \
845 " -B set Advanced Power Management setting (1-255)\n" \
846 " -c get/set IDE 32-bit IO setting\n" \
847 " -C check IDE power mode status\n" \
848 " -d get/set using_dma flag\n" \
849 " -D enable/disable drive defect-mgmt\n" \
850 " -f flush buffer cache for device on exit\n" \
851 " -g display drive geometry\n" \
852 " -h display terse usage information\n" \
853 " -i display drive identification\n" \
854 USAGE_HDPARM_IDENT(" -I detailed/current information directly from drive\n") \
855 USAGE_HDPARM_IDENT(" -Istdin similar to -I, but wants /proc/ide/" "*" "/hd?/identify as input\n") \
856 " -k get/set keep_settings_over_reset flag (0/1)\n" \
857 " -K set drive keep_features_over_reset flag (0/1)\n" \
858 " -L set drive doorlock (0/1) (removable harddisks only)\n" \
859 " -m get/set multiple sector count\n" \
860 " -n get/set ignore-write-errors flag (0/1)\n" \
861 " -p set PIO mode on IDE interface chipset (0,1,2,3,4,...)\n" \
862 " -P set drive prefetch count\n" \
863 " -q change next setting quietly\n" \
864 " -Q get/set DMA tagged-queuing depth (if supported)\n" \
865 " -r get/set readonly flag (DANGEROUS to set)\n" \
866 USAGE_SCAN_HWIF(" -R register an IDE interface (DANGEROUS)\n") \
867 " -S set standby (spindown) timeout\n" \
868 " -t perform device read timings\n" \
869 " -T perform cache read timings\n" \
870 " -u get/set unmaskirq flag (0/1)\n" \
871 USAGE_UNREGISTER_HWIF(" -U un-register an IDE interface (DANGEROUS)\n") \
872 " -v defaults; same as -mcudkrag for IDE drives\n" \
873 " -V display program version and exit immediately\n" \
874 USAGE_DRIVE_RESET(" -w perform device reset (DANGEROUS)\n") \
875 " -W set drive write-caching flag (0/1) (DANGEROUS)\n" \
876 USAGE_TRISTATE_HWIF(" -x tristate device for hotswap (0/1) (DANGEROUS)\n") \
877 " -X set IDE xfer mode (DANGEROUS)\n" \
878 " -y put IDE drive in standby mode\n" \
879 " -Y put IDE drive to sleep\n" \
880 " -Z disable Seagate auto-powersaving mode\n" \
881 " -z re-read partition table\n"
882
808#ifdef CONFIG_FEATURE_FANCY_HEAD 883#ifdef CONFIG_FEATURE_FANCY_HEAD
809#define USAGE_FANCY_HEAD(a) a 884#define USAGE_FANCY_HEAD(a) a
810#else 885#else
diff --git a/miscutils/Config.in b/miscutils/Config.in
index f70c12228..86be4d3a8 100644
--- a/miscutils/Config.in
+++ b/miscutils/Config.in
@@ -39,6 +39,56 @@ config CONFIG_DUTMP
39 help 39 help
40 Please submit a patch to add help text for this item. 40 Please submit a patch to add help text for this item.
41 41
42config CONFIG_HDPARM
43 bool "hdparm"
44 default n
45 help
46 Get/Set hard drive parameters. Primarily intended for ATA
47 drives. Adds about 13k (or around 30k if you enable the
48 CONFIG_FEATURE_HDPARM_GET_IDENTITY option)....
49
50config CONFIG_FEATURE_HDPARM_GET_IDENTITY
51 bool " Support obtaining detailed information directly from drives"
52 default y
53 depends on CONFIG_HDPARM
54 help
55 Enables the -I and -Istdin options to obtain detailed information
56 directly from drives about their capabilities and supported ATA
57 feature set. Enabling this option will add about 16k...
58
59config CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
60 bool " Register an IDE interface (DANGEROUS)"
61 default n
62 depends on CONFIG_HDPARM
63 help
64 Enables the 'hdparm -R' option to register an IDE interface.
65 This is dangerous stuff, so you should probably say N.
66
67config CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
68 bool " Un-register an IDE interface (DANGEROUS)"
69 default n
70 depends on CONFIG_HDPARM
71 help
72 Enables the 'hdparm -U' option to un-register an IDE interface.
73 This is dangerous stuff, so you should probably say N.
74
75config CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
76 bool " perform device reset (DANGEROUS)"
77 default n
78 depends on CONFIG_HDPARM
79 help
80 Enables the 'hdparm -w' option to perform a device reset.
81 This is dangerous stuff, so you should probably say N.
82
83config CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
84 bool " tristate device for hotswap (DANGEROUS)"
85 default n
86 depends on CONFIG_HDPARM
87 help
88 Enables the 'hdparm -x' option to tristate device for hotswap,
89 and the '-b' option to get/set bus state. This is dangerous
90 stuff, so you should probably say N.
91
42config CONFIG_MAKEDEVS 92config CONFIG_MAKEDEVS
43 bool "makedevs" 93 bool "makedevs"
44 default n 94 default n
diff --git a/miscutils/Makefile.in b/miscutils/Makefile.in
index 1fd109e2d..0ef96f0cd 100644
--- a/miscutils/Makefile.in
+++ b/miscutils/Makefile.in
@@ -29,6 +29,7 @@ MISCUTILS-$(CONFIG_CROND) += crond.o
29MISCUTILS-$(CONFIG_CRONTAB) += crontab.o 29MISCUTILS-$(CONFIG_CRONTAB) += crontab.o
30MISCUTILS-$(CONFIG_DC) += dc.o 30MISCUTILS-$(CONFIG_DC) += dc.o
31MISCUTILS-$(CONFIG_DUTMP) += dutmp.o 31MISCUTILS-$(CONFIG_DUTMP) += dutmp.o
32MISCUTILS-$(CONFIG_HDPARM) += hdparm.o
32MISCUTILS-$(CONFIG_MAKEDEVS) += makedevs.o 33MISCUTILS-$(CONFIG_MAKEDEVS) += makedevs.o
33MISCUTILS-$(CONFIG_MT) += mt.o 34MISCUTILS-$(CONFIG_MT) += mt.o
34MISCUTILS-$(CONFIG_STRINGS) += strings.o 35MISCUTILS-$(CONFIG_STRINGS) += strings.o
diff --git a/miscutils/hdparm.c b/miscutils/hdparm.c
new file mode 100644
index 000000000..1e34f4f4e
--- /dev/null
+++ b/miscutils/hdparm.c
@@ -0,0 +1,2665 @@
1/* vi: set sw=4 ts=4: */
2/*
3 * hdparm implementation for busybox
4 *
5 *
6 * Copyright (C) [2003] by [Matteo Croce] <pinnolo@tin.it>
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 * 02111-1307 USA
22 *
23 *
24 * This program is based on the source code of hdparm: see below...
25 * hdparm.c - Command line interface to get/set hard disk parameters
26 * - by Mark Lord (C) 1994-2002 -- freely distributable
27 */
28
29#include <unistd.h>
30#include <string.h>
31#include <stdlib.h>
32#include <fcntl.h>
33#include <errno.h>
34#include <ctype.h>
35#include <endian.h>
36#include <sys/ioctl.h>
37#include <sys/shm.h>
38#include <sys/sysmacros.h>
39#include <sys/time.h>
40#include <sys/times.h>
41#include <sys/mount.h>
42#include "busybox.h"
43#include <linux/types.h>
44#include <linux/hdreg.h>
45#include <linux/major.h>
46#include <asm/byteorder.h>
47
48
49#if __BYTE_ORDER == __BIG_ENDIAN
50#define __USE_XOPEN
51#endif
52
53/* device types */
54/* ------------ */
55#define NO_DEV 0xffff
56#define ATA_DEV 0x0000
57#define ATAPI_DEV 0x0001
58
59/* word definitions */
60/* ---------------- */
61#define GEN_CONFIG 0 /* general configuration */
62#define LCYLS 1 /* number of logical cylinders */
63#define CONFIG 2 /* specific configuration */
64#define LHEADS 3 /* number of logical heads */
65#define TRACK_BYTES 4 /* number of bytes/track (ATA-1) */
66#define SECT_BYTES 5 /* number of bytes/sector (ATA-1) */
67#define LSECTS 6 /* number of logical sectors/track */
68#define START_SERIAL 10 /* ASCII serial number */
69#define LENGTH_SERIAL 10 /* 10 words (20 bytes or characters) */
70#define BUF_TYPE 20 /* buffer type (ATA-1) */
71#define BUFFER__SIZE 21 /* buffer size (ATA-1) */
72#define RW_LONG 22 /* extra bytes in R/W LONG cmd ( < ATA-4)*/
73#define START_FW_REV 23 /* ASCII firmware revision */
74#define LENGTH_FW_REV 4 /* 4 words (8 bytes or characters) */
75#define START_MODEL 27 /* ASCII model number */
76#define LENGTH_MODEL 20 /* 20 words (40 bytes or characters) */
77#define SECTOR_XFER_MAX 47 /* r/w multiple: max sectors xfered */
78#define DWORD_IO 48 /* can do double-word IO (ATA-1 only) */
79#define CAPAB_0 49 /* capabilities */
80#define CAPAB_1 50
81#define PIO_MODE 51 /* max PIO mode supported (obsolete)*/
82#define DMA_MODE 52 /* max Singleword DMA mode supported (obs)*/
83#define WHATS_VALID 53 /* what fields are valid */
84#define LCYLS_CUR 54 /* current logical cylinders */
85#define LHEADS_CUR 55 /* current logical heads */
86#define LSECTS_CUR 56 /* current logical sectors/track */
87#define CAPACITY_LSB 57 /* current capacity in sectors */
88#define CAPACITY_MSB 58
89#define SECTOR_XFER_CUR 59 /* r/w multiple: current sectors xfered */
90#define LBA_SECTS_LSB 60 /* LBA: total number of user */
91#define LBA_SECTS_MSB 61 /* addressable sectors */
92#define SINGLE_DMA 62 /* singleword DMA modes */
93#define MULTI_DMA 63 /* multiword DMA modes */
94#define ADV_PIO_MODES 64 /* advanced PIO modes supported */
95 /* multiword DMA xfer cycle time: */
96#define DMA_TIME_MIN 65 /* - minimum */
97#define DMA_TIME_NORM 66 /* - manufacturer's recommended */
98 /* minimum PIO xfer cycle time: */
99#define PIO_NO_FLOW 67 /* - without flow control */
100#define PIO_FLOW 68 /* - with IORDY flow control */
101#define PKT_REL 71 /* typical #ns from PKT cmd to bus rel */
102#define SVC_NBSY 72 /* typical #ns from SERVICE cmd to !BSY */
103#define CDR_MAJOR 73 /* CD ROM: major version number */
104#define CDR_MINOR 74 /* CD ROM: minor version number */
105#define QUEUE_DEPTH 75 /* queue depth */
106#define MAJOR 80 /* major version number */
107#define MINOR 81 /* minor version number */
108#define CMDS_SUPP_0 82 /* command/feature set(s) supported */
109#define CMDS_SUPP_1 83
110#define CMDS_SUPP_2 84
111#define CMDS_EN_0 85 /* command/feature set(s) enabled */
112#define CMDS_EN_1 86
113#define CMDS_EN_2 87
114#define ULTRA_DMA 88 /* ultra DMA modes */
115 /* time to complete security erase */
116#define ERASE_TIME 89 /* - ordinary */
117#define ENH_ERASE_TIME 90 /* - enhanced */
118#define ADV_PWR 91 /* current advanced power management level
119 in low byte, 0x40 in high byte. */
120#define PSWD_CODE 92 /* master password revision code */
121#define HWRST_RSLT 93 /* hardware reset result */
122#define ACOUSTIC 94 /* acoustic mgmt values ( >= ATA-6) */
123#define LBA_LSB 100 /* LBA: maximum. Currently only 48 */
124#define LBA_MID 101 /* bits are used, but addr 103 */
125#define LBA_48_MSB 102 /* has been reserved for LBA in */
126#define LBA_64_MSB 103 /* the future. */
127#define RM_STAT 127 /* removable media status notification feature set support */
128#define SECU_STATUS 128 /* security status */
129#define CFA_PWR_MODE 160 /* CFA power mode 1 */
130#define START_MEDIA 176 /* media serial number */
131#define LENGTH_MEDIA 20 /* 20 words (40 bytes or characters)*/
132#define START_MANUF 196 /* media manufacturer I.D. */
133#define LENGTH_MANUF 10 /* 10 words (20 bytes or characters) */
134#define INTEGRITY 255 /* integrity word */
135
136/* bit definitions within the words */
137/* -------------------------------- */
138
139/* many words are considered valid if bit 15 is 0 and bit 14 is 1 */
140#define VALID 0xc000
141#define VALID_VAL 0x4000
142/* many words are considered invalid if they are either all-0 or all-1 */
143#define NOVAL_0 0x0000
144#define NOVAL_1 0xffff
145
146/* word 0: gen_config */
147#define NOT_ATA 0x8000
148#define NOT_ATAPI 0x4000 /* (check only if bit 15 == 1) */
149#define MEDIA_REMOVABLE 0x0080
150#define DRIVE_NOT_REMOVABLE 0x0040 /* bit obsoleted in ATA 6 */
151#define INCOMPLETE 0x0004
152#define CFA_SUPPORT_VAL 0x848a /* 848a=CFA feature set support */
153#define DRQ_RESPONSE_TIME 0x0060
154#define DRQ_3MS_VAL 0x0000
155#define DRQ_INTR_VAL 0x0020
156#define DRQ_50US_VAL 0x0040
157#define PKT_SIZE_SUPPORTED 0x0003
158#define PKT_SIZE_12_VAL 0x0000
159#define PKT_SIZE_16_VAL 0x0001
160#define EQPT_TYPE 0x1f00
161#define SHIFT_EQPT 8
162
163#define CDROM 0x0005
164
165#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
166static const char *pkt_str[] = {
167 "Direct-access device", /* word 0, bits 12-8 = 00 */
168 "Sequential-access device", /* word 0, bits 12-8 = 01 */
169 "Printer", /* word 0, bits 12-8 = 02 */
170 "Processor", /* word 0, bits 12-8 = 03 */
171 "Write-once device", /* word 0, bits 12-8 = 04 */
172 "CD-ROM", /* word 0, bits 12-8 = 05 */
173 "Scanner", /* word 0, bits 12-8 = 06 */
174 "Optical memory", /* word 0, bits 12-8 = 07 */
175 "Medium changer", /* word 0, bits 12-8 = 08 */
176 "Communications device", /* word 0, bits 12-8 = 09 */
177 "ACS-IT8 device", /* word 0, bits 12-8 = 0a */
178 "ACS-IT8 device", /* word 0, bits 12-8 = 0b */
179 "Array controller", /* word 0, bits 12-8 = 0c */
180 "Enclosure services", /* word 0, bits 12-8 = 0d */
181 "Reduced block command device", /* word 0, bits 12-8 = 0e */
182 "Optical card reader/writer", /* word 0, bits 12-8 = 0f */
183 "", /* word 0, bits 12-8 = 10 */
184 "", /* word 0, bits 12-8 = 11 */
185 "", /* word 0, bits 12-8 = 12 */
186 "", /* word 0, bits 12-8 = 13 */
187 "", /* word 0, bits 12-8 = 14 */
188 "", /* word 0, bits 12-8 = 15 */
189 "", /* word 0, bits 12-8 = 16 */
190 "", /* word 0, bits 12-8 = 17 */
191 "", /* word 0, bits 12-8 = 18 */
192 "", /* word 0, bits 12-8 = 19 */
193 "", /* word 0, bits 12-8 = 1a */
194 "", /* word 0, bits 12-8 = 1b */
195 "", /* word 0, bits 12-8 = 1c */
196 "", /* word 0, bits 12-8 = 1d */
197 "", /* word 0, bits 12-8 = 1e */
198 "Unknown", /* word 0, bits 12-8 = 1f */
199};
200static const char *ata1_cfg_str[] = { /* word 0 in ATA-1 mode */
201 "reserved", /* bit 0 */
202 "hard sectored", /* bit 1 */
203 "soft sectored", /* bit 2 */
204 "not MFM encoded ", /* bit 3 */
205 "head switch time > 15us", /* bit 4 */
206 "spindle motor control option", /* bit 5 */
207 "fixed drive", /* bit 6 */
208 "removable drive", /* bit 7 */
209 "disk xfer rate <= 5Mbs", /* bit 8 */
210 "disk xfer rate > 5Mbs, <= 10Mbs", /* bit 9 */
211 "disk xfer rate > 5Mbs", /* bit 10 */
212 "rotational speed tol.", /* bit 11 */
213 "data strobe offset option", /* bit 12 */
214 "track offset option", /* bit 13 */
215 "format speed tolerance gap reqd", /* bit 14 */
216 "ATAPI" /* bit 14 */
217};
218#endif
219
220/* word 1: number of logical cylinders */
221#define LCYLS_MAX 0x3fff /* maximum allowable value */
222
223/* word 2: specific configureation
224 * (a) require SET FEATURES to spin-up
225 * (b) require spin-up to fully reply to IDENTIFY DEVICE
226 */
227#define STBY_NID_VAL 0x37c8 /* (a) and (b) */
228#define STBY_ID_VAL 0x738c /* (a) and not (b) */
229#define PWRD_NID_VAL 0x8c73 /* not (a) and (b) */
230#define PWRD_ID_VAL 0xc837 /* not (a) and not (b) */
231
232/* words 47 & 59: sector_xfer_max & sector_xfer_cur */
233#define SECTOR_XFER 0x00ff /* sectors xfered on r/w multiple cmds*/
234#define MULTIPLE_SETTING_VALID 0x0100 /* 1=multiple sector setting is valid */
235
236/* word 49: capabilities 0 */
237#define STD_STBY 0x2000 /* 1=standard values supported (ATA);
238 0=vendor specific values */
239#define IORDY_SUP 0x0800 /* 1=support; 0=may be supported */
240#define IORDY_OFF 0x0400 /* 1=may be disabled */
241#define LBA_SUP 0x0200 /* 1=Logical Block Address support */
242#define DMA_SUP 0x0100 /* 1=Direct Memory Access support */
243#define DMA_IL_SUP 0x8000 /* 1=interleaved DMA support (ATAPI) */
244#define CMD_Q_SUP 0x4000 /* 1=command queuing support (ATAPI) */
245#define OVLP_SUP 0x2000 /* 1=overlap operation support (ATAPI) */
246#define SWRST_REQ 0x1000 /* 1=ATA SW reset required (ATAPI, obsolete */
247
248/* word 50: capabilities 1 */
249#define MIN_STANDBY_TIMER 0x0001 /* 1=device specific standby timer value minimum */
250
251/* words 51 & 52: PIO & DMA cycle times */
252#define MODE 0xff00 /* the mode is in the MSBs */
253
254/* word 53: whats_valid */
255#define OK_W88 0x0004 /* the ultra_dma info is valid */
256#define OK_W64_70 0x0002 /* see above for word descriptions */
257#define OK_W54_58 0x0001 /* current cyl, head, sector, cap. info valid */
258
259/*word 63,88: dma_mode, ultra_dma_mode*/
260#define MODE_MAX 7 /* bit definitions force udma <=7 (when
261 * udma >=8 comes out it'll have to be
262 * defined in a new dma_mode word!) */
263
264/* word 64: PIO transfer modes */
265#define PIO_SUP 0x00ff /* only bits 0 & 1 are used so far, */
266#define PIO_MODE_MAX 8 /* but all 8 bits are defined */
267
268/* word 75: queue_depth */
269#define DEPTH_BITS 0x001f /* bits used for queue depth */
270
271/* words 80-81: version numbers */
272/* NOVAL_0 or NOVAL_1 means device does not report version */
273
274/* word 81: minor version number */
275#define MINOR_MAX 0x1C
276#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
277static const char *minor_str[] = { /* word 81 value: */
278 "device does not report version", /* 0x0000 */
279 "ATA-1 X3T9.2 781D prior to revision 4", /* 0x0001 */
280 "ATA-1 published, ANSI X3.221-1994", /* 0x0002 */
281 "ATA-1 X3T9.2 781D revision 4", /* 0x0003 */
282 "ATA-2 published, ANSI X3.279-1996", /* 0x0004 */
283 "ATA-2 X3T10 948D prior to revision 2k", /* 0x0005 */
284 "ATA-3 X3T10 2008D revision 1", /* 0x0006 */
285 "ATA-2 X3T10 948D revision 2k", /* 0x0007 */
286 "ATA-3 X3T10 2008D revision 0", /* 0x0008 */
287 "ATA-2 X3T10 948D revision 3", /* 0x0009 */
288 "ATA-3 published, ANSI X3.298-199x", /* 0x000a */
289 "ATA-3 X3T10 2008D revision 6", /* 0x000b */
290 "ATA-3 X3T13 2008D revision 7 and 7a", /* 0x000c */
291 "ATA/ATAPI-4 X3T13 1153D revision 6", /* 0x000d */
292 "ATA/ATAPI-4 T13 1153D revision 13", /* 0x000e */
293 "ATA/ATAPI-4 X3T13 1153D revision 7", /* 0x000f */
294 "ATA/ATAPI-4 T13 1153D revision 18", /* 0x0010 */
295 "ATA/ATAPI-4 T13 1153D revision 15", /* 0x0011 */
296 "ATA/ATAPI-4 published, ANSI NCITS 317-1998", /* 0x0012 */
297 "ATA/ATAPI-5 T13 1321D revision 3",
298 "ATA/ATAPI-4 T13 1153D revision 14", /* 0x0014 */
299 "ATA/ATAPI-5 T13 1321D revision 1", /* 0x0015 */
300 "ATA/ATAPI-5 published, ANSI NCITS 340-2000", /* 0x0016 */
301 "ATA/ATAPI-4 T13 1153D revision 17", /* 0x0017 */
302 "ATA/ATAPI-6 T13 1410D revision 0", /* 0x0018 */
303 "ATA/ATAPI-6 T13 1410D revision 3a", /* 0x0019 */
304 "Reserved", /* 0x001a */
305 "ATA/ATAPI-6 T13 1410D revision 2", /* 0x001b */
306 "ATA/ATAPI-6 T13 1410D revision 1", /* 0x001c */
307 "reserved" /* 0x001d */
308 "reserved" /* 0x001e */
309 "reserved" /* 0x001f-0xfffe*/
310};
311#endif
312static const char actual_ver[] = {
313 /* word 81 value: */
314 0, /* 0x0000 WARNING: */
315 1, /* 0x0001 WARNING: */
316 1, /* 0x0002 WARNING: */
317 1, /* 0x0003 WARNING: */
318 2, /* 0x0004 WARNING: This array */
319 2, /* 0x0005 WARNING: corresponds */
320 3, /* 0x0006 WARNING: *exactly* */
321 2, /* 0x0007 WARNING: to the ATA/ */
322 3, /* 0x0008 WARNING: ATAPI version */
323 2, /* 0x0009 WARNING: listed in */
324 3, /* 0x000a WARNING: the */
325 3, /* 0x000b WARNING: minor_str */
326 3, /* 0x000c WARNING: array */
327 4, /* 0x000d WARNING: above. */
328 4, /* 0x000e WARNING: */
329 4, /* 0x000f WARNING: if you change */
330 4, /* 0x0010 WARNING: that one, */
331 4, /* 0x0011 WARNING: change this one */
332 4, /* 0x0012 WARNING: too!!! */
333 5, /* 0x0013 WARNING: */
334 4, /* 0x0014 WARNING: */
335 5, /* 0x0015 WARNING: */
336 5, /* 0x0016 WARNING: */
337 4, /* 0x0017 WARNING: */
338 6, /* 0x0018 WARNING: */
339 6, /* 0x0019 WARNING: */
340 0, /* 0x001a WARNING: */
341 6, /* 0x001b WARNING: */
342 6, /* 0x001c WARNING: */
343 0 /* 0x001d-0xfffe */
344};
345
346/* words 82-84: cmds/feats supported */
347#define CMDS_W82 0x77ff /* word 82: defined command locations*/
348#define CMDS_W83 0x3fff /* word 83: defined command locations*/
349#define CMDS_W84 0x002f /* word 83: defined command locations*/
350#define SUPPORT_48_BIT 0x0400
351#define NUM_CMD_FEAT_STR 48
352
353#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
354static const char *cmd_feat_str[] = {
355 "", /* word 82 bit 15: obsolete */
356 "NOP cmd", /* word 82 bit 14 */
357 "READ BUFFER cmd", /* word 82 bit 13 */
358 "WRITE BUFFER cmd", /* word 82 bit 12 */
359 "", /* word 82 bit 11: obsolete */
360 "Host Protected Area feature set", /* word 82 bit 10 */
361 "DEVICE RESET cmd", /* word 82 bit 9 */
362 "SERVICE interrupt", /* word 82 bit 8 */
363 "Release interrupt", /* word 82 bit 7 */
364 "Look-ahead", /* word 82 bit 6 */
365 "Write cache", /* word 82 bit 5 */
366 "PACKET command feature set", /* word 82 bit 4 */
367 "Power Management feature set", /* word 82 bit 3 */
368 "Removable Media feature set", /* word 82 bit 2 */
369 "Security Mode feature set", /* word 82 bit 1 */
370 "SMART feature set", /* word 82 bit 0 */
371 /* --------------*/
372 "", /* word 83 bit 15: !valid bit */
373 "", /* word 83 bit 14: valid bit */
374 "FLUSH CACHE EXT command", /* word 83 bit 13 */
375 "Mandatory FLUSH CACHE command ", /* word 83 bit 12 */
376 "Device Configuration Overlay feature set ",
377 "48-bit Address feature set ", /* word 83 bit 10 */
378 "",
379 "SET MAX security extension", /* word 83 bit 8 */
380 "Address Offset Reserved Area Boot", /* word 83 bit 7 */
381 "SET FEATURES subcommand required to spinup after power up",
382 "Power-Up In Standby feature set", /* word 83 bit 5 */
383 "Removable Media Status Notification feature set",
384 "Advanced Power Management feature set",/* word 83 bit 3 */
385 "CFA feature set", /* word 83 bit 2 */
386 "READ/WRITE DMA QUEUED", /* word 83 bit 1 */
387 "DOWNLOAD MICROCODE cmd", /* word 83 bit 0 */
388 /* --------------*/
389 "", /* word 84 bit 15: !valid bit */
390 "", /* word 84 bit 14: valid bit */
391 "", /* word 84 bit 13: reserved */
392 "", /* word 84 bit 12: reserved */
393 "", /* word 84 bit 11: reserved */
394 "", /* word 84 bit 10: reserved */
395 "", /* word 84 bit 9: reserved */
396 "", /* word 84 bit 8: reserved */
397 "", /* word 84 bit 7: reserved */
398 "", /* word 84 bit 6: reserved */
399 "General Purpose Logging feature set", /* word 84 bit 5 */
400 "", /* word 84 bit 4: reserved */
401 "Media Card Pass Through Command feature set ",
402 "Media serial number ", /* word 84 bit 2 */
403 "SMART self-test ", /* word 84 bit 1 */
404 "SMART error logging " /* word 84 bit 0 */
405};
406#endif
407
408
409/* words 85-87: cmds/feats enabled */
410/* use cmd_feat_str[] to display what commands and features have
411 * been enabled with words 85-87
412 */
413
414/* words 89, 90, SECU ERASE TIME */
415#define ERASE_BITS 0x00ff
416
417/* word 92: master password revision */
418/* NOVAL_0 or NOVAL_1 means no support for master password revision */
419
420/* word 93: hw reset result */
421#define CBLID 0x2000 /* CBLID status */
422#define RST0 0x0001 /* 1=reset to device #0 */
423#define DEV_DET 0x0006 /* how device num determined */
424#define JUMPER_VAL 0x0002 /* device num determined by jumper */
425#define CSEL_VAL 0x0004 /* device num determined by CSEL_VAL */
426
427/* word 127: removable media status notification feature set support */
428#define RM_STAT_BITS 0x0003
429#define RM_STAT_SUP 0x0001
430
431/* word 128: security */
432#define SECU_ENABLED 0x0002
433#define SECU_LEVEL 0x0010
434#define NUM_SECU_STR 6
435#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
436static const char *secu_str[] = {
437 "supported", /* word 128, bit 0 */
438 "enabled", /* word 128, bit 1 */
439 "locked", /* word 128, bit 2 */
440 "frozen", /* word 128, bit 3 */
441 "expired: security count", /* word 128, bit 4 */
442 "supported: enhanced erase" /* word 128, bit 5 */
443};
444#endif
445
446/* word 160: CFA power mode */
447#define VALID_W160 0x8000 /* 1=word valid */
448#define PWR_MODE_REQ 0x2000 /* 1=CFA power mode req'd by some cmds*/
449#define PWR_MODE_OFF 0x1000 /* 1=CFA power moded disabled */
450#define MAX_AMPS 0x0fff /* value = max current in ma */
451
452/* word 255: integrity */
453#define SIG 0x00ff /* signature location */
454#define SIG_VAL 0x00A5 /* signature value */
455
456#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
457static uint8_t mode_loop(uint16_t mode_sup, uint16_t mode_sel, int cc, uint8_t *have_mode) {
458 uint16_t ii;
459 uint8_t err_dma = 0;
460 for(ii = 0; ii <= MODE_MAX; ii++) {
461 if(mode_sel & 0x0001) {
462 printf("*%cdma%u ",cc,ii);
463 if(*have_mode) err_dma = 1;
464 *have_mode = 1;
465 } else if(mode_sup & 0x0001) {
466 printf("%cdma%u ",cc,ii);
467 }
468 mode_sup >>=1; mode_sel >>=1;
469 }
470 return err_dma;
471}
472static void print_ascii(uint16_t *p, uint8_t length) {
473 uint8_t ii;
474 char cl;
475
476 /* find first non-space & print it */
477 for(ii = 0; ii< length; ii++) {
478 if(((char) 0x00ff&((*p)>>8)) != ' ') break;
479 if((cl = (char) 0x00ff&(*p)) != ' ') {
480 if(cl != '\0') printf("%c",cl);
481 p++; ii++;
482 break;
483 }
484 p++;
485 }
486 /* print the rest */
487 for(; ii< length; ii++) {
488 if(!(*p)) break; /* some older devices have NULLs */
489 printf("%c%c",(char)0x00ff&((*p)>>8),(char)(*p)&0x00ff);
490 p++;
491 }
492 printf("\n");
493}
494
495/* identify() is the only extern function used across two source files. The
496 others, though, were declared in hdparm.c with global scope; since other
497 functions in that file have static (file) scope, I assume the difference is
498 intentional. */
499static void identify (uint16_t *id_supplied, const char *devname)
500{
501
502 char *id_file = NULL, fmt[]="/proc/ide/%s/identify";
503 FILE *fl;
504 uint16_t val[256], ii, jj, kk;
505 uint16_t like_std = 1, std = 0, min_std = 0xffff;
506 uint16_t dev = NO_DEV, eqpt = NO_DEV;
507 uint8_t have_mode = 0, err_dma = 0;
508 uint8_t chksum = 0;
509 uint32_t ll, mm, nn, oo;
510 __u64 bbbig; /* (:) */
511
512 if (id_supplied) {
513#if __BYTE_ORDER == __BIG_ENDIAN
514 swab(id_supplied, val, sizeof(val));
515#else
516 memcpy(val, id_supplied, sizeof(val));
517#endif
518 } else {
519 id_file = xcalloc(1, strlen(devname)+1+strlen(fmt));
520 sprintf(id_file, fmt, devname);
521
522 /* open the file, read in all the info and close it */
523 if (id_file == NULL) {
524 fl = stdin;
525 } else if(NULL == (fl = fopen(id_file, "r")))
526 bb_perror_msg_and_die(id_file);
527 /* calculate checksum over all bytes */
528 for(ii = GEN_CONFIG; ii<=INTEGRITY; ii++) {
529 unsigned int scratch;
530 if(1 != fscanf(fl,"%04x",&scratch)) break;
531 val[ii] = (uint16_t)scratch;
532 chksum += val[ii] + (val[ii] >> 8);
533 }
534 fclose(fl);
535 if(ii < (INTEGRITY+1))
536 bb_error_msg_and_die("Input file wrong format or length");
537 }
538 chksum &= 0xff;
539
540 /* check if we recognise the device type */
541 printf("\n");
542 if(!(val[GEN_CONFIG] & NOT_ATA)) {
543 dev = ATA_DEV;
544 printf("ATA device, with ");
545 } else if(val[GEN_CONFIG]==CFA_SUPPORT_VAL) {
546 dev = ATA_DEV;
547 like_std = 4;
548 printf("CompactFlash ATA device, with ");
549 } else if(!(val[GEN_CONFIG] & NOT_ATAPI)) {
550 dev = ATAPI_DEV;
551 eqpt = (val[GEN_CONFIG] & EQPT_TYPE) >> SHIFT_EQPT;
552 printf("ATAPI %s, with ", pkt_str[eqpt]);
553 like_std = 3;
554 } else {
555 bb_error_msg_and_die("Unknown device type:\n\tbits 15&14 of general configuration word 0 both set to 1.\n");
556 }
557 if(!(val[GEN_CONFIG] & MEDIA_REMOVABLE))
558 printf("non-");
559 printf("removable media\n");
560
561
562 /* Info from the specific configuration word says whether or not the
563 * ID command completed correctly. It is only defined, however in
564 * ATA/ATAPI-5 & 6; it is reserved (value theoretically 0) in prior
565 * standards. Since the values allowed for this word are extremely
566 * specific, it should be safe to check it now, even though we don't
567 * know yet what standard this device is using.
568 */
569 if((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL) ||
570 (val[CONFIG]==PWRD_NID_VAL) || (val[CONFIG]==PWRD_ID_VAL) ) {
571 like_std = 5;
572 if((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==STBY_ID_VAL))
573 printf("powers-up in standby; SET FEATURES subcmd spins-up.\n");
574 if(((val[CONFIG]==STBY_NID_VAL) || (val[CONFIG]==PWRD_NID_VAL)) &&
575 (val[GEN_CONFIG] & INCOMPLETE))
576 printf("\n\tWARNING: ID response incomplete.\n\tWARNING: Following data may be incorrect.\n\n");
577 }
578
579 /* output the model and serial numbers and the fw revision */
580 if(val[START_MODEL]) {
581 printf("\t%-20s","Model Number:");
582 print_ascii(&val[START_MODEL], LENGTH_MODEL);
583 }
584 if(val[START_SERIAL]) {
585 printf("\t%-20s","Serial Number:");
586 print_ascii( &val[START_SERIAL], LENGTH_SERIAL);
587 }
588 if(val[START_FW_REV]) {
589 printf("\t%-20s","Firmware Revision:");
590 print_ascii(&val[START_FW_REV], LENGTH_FW_REV);
591 }
592 if(val[START_MEDIA]) {
593 printf("\t%-20s","Media Serial Num:");
594 print_ascii(&val[START_MEDIA], LENGTH_MEDIA);
595 }
596 if(val[START_MANUF]) {
597 printf("\t%-20s","Media Manufacturer:");
598 print_ascii(&val[START_MANUF], LENGTH_MANUF);
599 }
600
601 /* major & minor standards version number (Note: these words were not
602 * defined until ATA-3 & the CDROM std uses different words.) */
603 printf("Standards:");
604 if(eqpt != CDROM) {
605 if(val[MINOR] && (val[MINOR] <= MINOR_MAX)){
606 if(like_std < 3) like_std = 3;
607 std = actual_ver[val[MINOR]];
608 if(std) {
609 printf("\n\tUsed: ");
610 printf("%s ",minor_str[val[MINOR]]);
611 }
612 }
613 /* looks like when they up-issue the std, they obsolete one;
614 * thus, only the newest 4 issues need be supported. (That's
615 * what "kk" and "min_std" are all about.) */
616 if(val[MAJOR] && (val[MAJOR] !=NOVAL_1)) {
617 printf("\n\tSupported: ");
618 jj = val[MAJOR] << 1;
619 kk = like_std >4 ? like_std-4: 0;
620 for(ii = 14; (ii >0)&&(ii>kk); ii--) {
621 if(jj & 0x8000) {
622 printf("%u ", ii);
623 if(like_std < ii) {
624 like_std = ii;
625 kk = like_std >4 ? like_std-4: 0;
626 }
627 if(min_std > ii) min_std = ii;
628 }
629 jj <<= 1;
630 }
631 if(like_std < 3) like_std = 3;
632 }
633 /* Figure out what standard the device is using if it hasn't told
634 * us. If we know the std, check if the device is using any of
635 * the words from the next level up. It happens.
636 */
637 if(like_std < std) like_std = std;
638 if(((std == 5) || (!std && (like_std < 6))) &&
639 ( (((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
640 ((val[CMDS_SUPP_1] & CMDS_W83) > 0x00ff)) ||
641 (((val[CMDS_SUPP_2] & VALID) == VALID_VAL) &&
642 (val[CMDS_SUPP_2] & CMDS_W84) ) ) ) {
643 like_std = 6;
644 } else if(((std == 4) || (!std && (like_std < 5))) &&
645 ((((val[INTEGRITY] & SIG) == SIG_VAL) && !chksum) ||
646 ((val[HWRST_RSLT] & VALID) == VALID_VAL) ||
647 (((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
648 ((val[CMDS_SUPP_1] & CMDS_W83) > 0x001f)) ) ) {
649 like_std = 5;
650 } else if(((std == 3) || (!std && (like_std < 4))) &&
651 ((((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
652 (((val[CMDS_SUPP_1] & CMDS_W83) > 0x0000) ||
653 ((val[CMDS_SUPP_0] & CMDS_W82) > 0x000f))) ||
654 ((val[CAPAB_1] & VALID) == VALID_VAL) ||
655 ((val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA]) ||
656 ((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP) ) ) {
657 like_std = 4;
658 } else if(((std == 2) || (!std && (like_std < 3))) &&
659 ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) ) {
660 like_std = 3;
661 } else if(((std == 1) || (!std && (like_std < 2))) &&
662 ((val[CAPAB_0] & (IORDY_SUP | IORDY_OFF)) ||
663 (val[WHATS_VALID] & OK_W64_70)) ) {
664 like_std = 2;
665 }
666 if(!std) {
667 printf("\n\tLikely used: %u\n",like_std);
668 } else if(like_std > std) {
669 printf("& some of %u\n",like_std);
670 } else printf("\n");
671 } else {
672 /* TBD: do CDROM stuff more thoroughly. For now... */
673 kk = 0;
674 if(val[CDR_MINOR] == 9) {
675 kk = 1;
676 printf("\n\tUsed: ATAPI for CD-ROMs, SFF-8020i, r2.5");
677 }
678 if(val[CDR_MAJOR] && (val[CDR_MAJOR] !=NOVAL_1)) {
679 kk = 1;
680 printf("\n\tSupported: CD-ROM ATAPI");
681 jj = val[CDR_MAJOR] >> 1;
682 for(ii = 1; ii <15; ii++) {
683 if(jj & 0x0001) {
684 printf("-%u ", ii);
685 }
686 jj >>= 1;
687 }
688 }
689 if(!kk) printf("\n\tLikely used CD-ROM ATAPI-1\n");
690 else printf("\n");
691 /* the cdrom stuff is more like ATA-2 than anything else, so: */
692 like_std = 2;
693 }
694
695 if(min_std == 0xffff) min_std = like_std > 4 ? like_std - 3 : 1;
696
697 printf("Configuration:\n");
698 /* more info from the general configuration word */
699 if((eqpt != CDROM) && (like_std == 1)) {
700 jj = val[GEN_CONFIG] >> 1;
701 for(ii = 1; ii < 15; ii++) {
702 if(jj & 0x0001) printf("\t%s\n",ata1_cfg_str[ii]);
703 jj >>=1;
704 }
705 }
706 if(dev == ATAPI_DEV) {
707 printf("\tDRQ response: "); /* Data Request (DRQ) */
708 switch(val[GEN_CONFIG] & DRQ_RESPONSE_TIME) {
709 case DRQ_3MS_VAL : printf("3ms.\n"); break;
710 case DRQ_INTR_VAL : printf("<=10ms with INTRQ\n"); break;
711 case DRQ_50US_VAL : printf("50us.\n"); break;
712 default : printf("unknown.\n"); break;
713 }
714 printf("\tPacket size: ");
715 switch(val[GEN_CONFIG] & PKT_SIZE_SUPPORTED) {
716 case PKT_SIZE_12_VAL : printf("12 bytes\n"); break;
717 case PKT_SIZE_16_VAL : printf("16 bytes\n"); break;
718 default : printf("Unknown\n"); break;
719 }
720 } else {
721 /* addressing...CHS? See section 6.2 of ATA specs 4 or 5 */
722 ll = (uint32_t)val[LBA_SECTS_MSB] << 16 | val[LBA_SECTS_LSB];
723 mm = 0; bbbig = 0;
724 if ( (ll > 0x00FBFC10) && (!val[LCYLS])) {
725 printf("\tCHS addressing not supported\n");
726 } else {
727 jj = val[WHATS_VALID] & OK_W54_58;
728 printf("\tLogical\t\tmax\tcurrent\n");
729 printf("\tcylinders\t%u\t%u\n",val[LCYLS],jj?val[LCYLS_CUR]:0);
730 printf("\theads\t\t%u\t%u\n",val[LHEADS],jj?val[LHEADS_CUR]:0);
731 printf("\tsectors/track\t%u\t%u\n",val[LSECTS],jj?val[LSECTS_CUR]:0);
732 printf("\t--\n");
733 if((min_std == 1) && (val[TRACK_BYTES] || val[SECT_BYTES])) {
734 printf("\tbytes/track: %u",val[TRACK_BYTES]);
735 printf("\tbytes/sector: %u\n",val[SECT_BYTES]);
736 }
737 if(jj) {
738 mm = (uint32_t)val[CAPACITY_MSB] << 16 | val[CAPACITY_LSB];
739 if(like_std < 3) { /* check Endian of capacity bytes */
740 nn = val[LCYLS_CUR] * val[LHEADS_CUR] * val[LSECTS_CUR];
741 oo = (uint32_t)val[CAPACITY_LSB] << 16 | val[CAPACITY_MSB];
742 if(abs(mm - nn) > abs(oo - nn))
743 mm = oo;
744 }
745 printf("\tCHS current addressable sectors:%11u\n",mm);
746 }
747 }
748 /* LBA addressing */
749 printf("\tLBA user addressable sectors:%11u\n",ll);
750 if( ((val[CMDS_SUPP_1] & VALID) == VALID_VAL) &&
751 (val[CMDS_SUPP_1] & SUPPORT_48_BIT) ) {
752 bbbig = (__u64)val[LBA_64_MSB] << 48 |
753 (__u64)val[LBA_48_MSB] << 32 |
754 (__u64)val[LBA_MID] << 16 |
755 val[LBA_LSB] ;
756 printf("\tLBA48 user addressable sectors:%11llu\n",bbbig);
757 }
758 if (!bbbig) bbbig = (__u64)(ll>mm ? ll : mm); /* # 512 byte blocks */
759 printf("\tdevice size with M = 1024*1024: %11llu MBytes\n",bbbig>>11);
760 bbbig = (bbbig<<9)/1000000;
761 printf("\tdevice size with M = 1000*1000: %11llu MBytes ",bbbig);
762 if(bbbig > 1000) printf("(%llu GB)\n",bbbig/1000);
763 else printf("\n");
764
765 }
766
767 /* hw support of commands (capabilities) */
768 printf("Capabilities:\n");
769 printf("\t");
770 if(dev == ATAPI_DEV) {
771 if(eqpt != CDROM) {
772 if(val[CAPAB_0] & CMD_Q_SUP) printf("Cmd queuing, ");
773 }
774 if(val[CAPAB_0] & OVLP_SUP) printf("Cmd overlap, ");
775 }
776 if(val[CAPAB_0] & LBA_SUP) printf("LBA, ");
777 if(like_std != 1) {
778 printf("IORDY");
779 if(!(val[CAPAB_0] & IORDY_SUP)) printf("(may be)");
780 if(val[CAPAB_0] & IORDY_OFF) printf("(can");
781 else printf("(cannot");
782 printf(" be disabled)");
783 } else printf("no IORDY");
784 printf("\n");
785 if((like_std == 1) && val[BUF_TYPE]) {
786 kk = val[BUF_TYPE];
787 printf("\tBuffer type: %04x: ",kk);
788 if (kk < 2) printf("single port, single-sector");
789 else printf("dual port, multi-sector");
790 if (kk > 2) printf(" with read caching ability");
791 printf("\n");
792 }
793 jj = 0;
794 if((min_std == 1) && (val[BUFFER__SIZE] && (val[BUFFER__SIZE] != NOVAL_1))) {
795 printf("\tBuffer size: %.1fkB",(float)val[BUFFER__SIZE]/2);
796 jj = 1;
797 }
798 if((min_std < 4) && (val[RW_LONG])) {
799 printf("\tbytes avail on r/w long: %u",val[RW_LONG]);
800 jj = 1;
801 }
802 if((eqpt != CDROM) && (like_std > 3)) {
803 printf("\tQueue depth: %u",(val[QUEUE_DEPTH] & DEPTH_BITS)+1);
804 jj = 1;
805 }
806 if(jj) printf("\n");
807 if(dev == ATA_DEV) {
808 if(like_std == 1) {
809 printf("\tCan");
810 if(!val[DWORD_IO]) printf("not");
811 printf(" perform double-word IO\n");
812 } else {
813 printf("\tStandby timer values: spec'd by ");
814 if(val[CAPAB_0] & STD_STBY) printf("Standard");
815 else printf("Vendor");
816 if((like_std > 3) && ((val[CAPAB_1] & VALID) == VALID_VAL)) {
817 if(val[CAPAB_1] & MIN_STANDBY_TIMER) printf(", with ");
818 else printf(", no ");
819 printf("device specific minimum\n");
820 } else printf("\n");
821 }
822 printf("\tR/W multiple sector transfer: ");
823 if((like_std < 3) && !(val[SECTOR_XFER_MAX] & SECTOR_XFER)) {
824 printf("not supported\n");
825 } else {
826 printf("Max = %u\t",val[SECTOR_XFER_MAX] & SECTOR_XFER);
827 printf("Current = ");
828 if(val[SECTOR_XFER_CUR] & MULTIPLE_SETTING_VALID)
829 printf("%u\n",val[SECTOR_XFER_CUR] & SECTOR_XFER);
830 else printf("?\n");
831 }
832 if((like_std > 3) && (val[CMDS_SUPP_1] & 0x0008)) {
833 /* We print out elsewhere whether the APM feature is enabled or
834 not. If it's not enabled, let's not repeat the info; just print
835 nothing here. */
836 printf("\tAdvanced power management level: ");
837 if ( (val[ADV_PWR] & 0xFF00) == 0x4000 ) {
838 uint8_t apm_level = val[ADV_PWR] & 0x00FF;
839
840 printf("%u (0x%x)\n", apm_level, apm_level);
841 } else {
842 printf("unknown setting (0x%04x)\n", val[ADV_PWR]);
843 }
844 }
845 if(like_std > 5) {
846 if(val[ACOUSTIC]) {
847 printf("\tRecommended acoustic management value: %u, current value: %u\n", (val[ACOUSTIC] >> 8) & 0x00ff, val[ACOUSTIC] & 0x00ff);
848 }
849 }
850 } else { /* ATAPI */
851 if(eqpt != CDROM) {
852 if(val[CAPAB_0] & SWRST_REQ) printf("\tATA sw reset required\n");
853 }
854 if(val[PKT_REL] || val[SVC_NBSY]) {
855 printf("\tOverlap support:");
856 if(val[PKT_REL]) printf(" %uus to release bus.",val[PKT_REL]);
857 if(val[SVC_NBSY]) printf(" %uus to clear BSY after SERVICE cmd.",val[SVC_NBSY]);
858 printf("\n");
859 }
860 }
861
862 /* DMA stuff. Check that only one DMA mode is selected. */
863 printf("\tDMA: ");
864 if(!(val[CAPAB_0] & DMA_SUP)) {
865 printf("not supported\n");
866 } else {
867 if(val[DMA_MODE] && !val[SINGLE_DMA] && !val[MULTI_DMA])
868 printf(" sdma%u\n",(val[DMA_MODE] & MODE) >> 8);
869 if(val[SINGLE_DMA]) {
870 jj = val[SINGLE_DMA]; kk = val[SINGLE_DMA] >> 8;
871 err_dma += mode_loop(jj,kk,'s',&have_mode);
872 }
873 if(val[MULTI_DMA]) {
874 jj = val[MULTI_DMA]; kk = val[MULTI_DMA] >> 8;
875 err_dma += mode_loop(jj,kk,'m',&have_mode);
876 }
877 if((val[WHATS_VALID] & OK_W88) && val[ULTRA_DMA]) {
878 jj = val[ULTRA_DMA]; kk = val[ULTRA_DMA] >> 8;
879 err_dma += mode_loop(jj,kk,'u',&have_mode);
880 }
881 if(err_dma || !have_mode) printf("(?)");
882 printf("\n");
883
884 if((dev == ATAPI_DEV) && (eqpt != CDROM) && (val[CAPAB_0] & DMA_IL_SUP))
885 printf("\t Interleaved DMA support\n");
886
887 if((val[WHATS_VALID] & OK_W64_70) &&
888 (val[DMA_TIME_MIN] || val[DMA_TIME_NORM])) {
889 printf("\t Cycle time:");
890 if(val[DMA_TIME_MIN])
891 printf(" min=%uns",val[DMA_TIME_MIN]);
892 if(val[DMA_TIME_NORM])
893 printf(" recommended=%uns",val[DMA_TIME_NORM]);
894 printf("\n");
895 }
896 }
897
898 /* Programmed IO stuff */
899 printf("\tPIO: ");
900 /* If a drive supports mode n (e.g. 3), it also supports all modes less
901 * than n (e.g. 3, 2, 1 and 0). Print all the modes. */
902 if((val[WHATS_VALID] & OK_W64_70) && (val[ADV_PIO_MODES] & PIO_SUP)) {
903 jj = ((val[ADV_PIO_MODES] & PIO_SUP) << 3) | 0x0007;
904 for(ii = 0; ii <= PIO_MODE_MAX ; ii++) {
905 if(jj & 0x0001)
906 printf("pio%d ",ii);
907 jj >>=1;
908 }
909 printf("\n");
910 } else if(((min_std < 5) || (eqpt == CDROM)) && (val[PIO_MODE] & MODE) ) {
911 for(ii = 0; ii <= val[PIO_MODE]>>8; ii++) {
912 printf("pio%d ",ii);
913 }
914 printf("\n");
915 } else printf("unknown\n");
916 if(val[WHATS_VALID] & OK_W64_70) {
917 if(val[PIO_NO_FLOW] || val[PIO_FLOW]) {
918 printf("\t Cycle time:");
919 if(val[PIO_NO_FLOW])
920 printf(" no flow control=%uns", val[PIO_NO_FLOW]);
921 if(val[PIO_FLOW])
922 printf(" IORDY flow control=%uns", val[PIO_FLOW]);
923 printf("\n");
924 }
925 }
926
927 if((val[CMDS_SUPP_1] & VALID) == VALID_VAL){
928 printf("Commands/features:\n\tEnabled\tSupported:\n");
929 jj = val[CMDS_SUPP_0];
930 kk = val[CMDS_EN_0];
931 for(ii = 0; ii < NUM_CMD_FEAT_STR; ii++) {
932 if((jj & 0x8000) && (*cmd_feat_str[ii] != '\0')) {
933 if(kk & 0x8000) printf("\t *");
934 else printf("\t");
935 printf("\t%s\n",cmd_feat_str[ii]);
936 }
937 jj <<=1; kk<<=1;
938 if(ii%16 == 15) {
939 jj = val[CMDS_SUPP_0+1+(ii/16)];
940 kk = val[CMDS_EN_0+1+(ii/16)];
941 }
942 if(ii == 31) {
943 if((val[CMDS_SUPP_2] & VALID) != VALID_VAL) ii +=16;
944 }
945 }
946 }
947 if((val[RM_STAT] & RM_STAT_BITS) == RM_STAT_SUP)
948 printf("\tRemovable Media Status Notification feature set supported\n");
949
950
951 /* security */
952 if((eqpt != CDROM) && (like_std > 3) &&
953 (val[SECU_STATUS] || val[ERASE_TIME] || val[ENH_ERASE_TIME])) {
954 printf("Security: \n");
955 if(val[PSWD_CODE] && (val[PSWD_CODE] != NOVAL_1))
956 printf("\tMaster password revision code = %u\n",val[PSWD_CODE]);
957 jj = val[SECU_STATUS];
958 if(jj) {
959 for(ii = 0; ii < NUM_SECU_STR; ii++) {
960 if(!(jj & 0x0001)) printf("\tnot\t");
961 else printf("\t\t");
962 printf("%s\n",secu_str[ii]);
963 jj >>=1;
964 }
965 if(val[SECU_STATUS] & SECU_ENABLED) {
966 printf("\tSecurity level ");
967 if(val[SECU_STATUS] & SECU_LEVEL) printf("maximum\n");
968 else printf("high\n");
969 }
970 }
971 jj = val[ERASE_TIME] & ERASE_BITS;
972 kk = val[ENH_ERASE_TIME] & ERASE_BITS;
973 if(jj || kk) {
974 printf("\t");
975 if(jj) printf("%umin for SECURITY ERASE UNIT. ", jj==ERASE_BITS ? 508 : jj<<1);
976 if(kk) printf("%umin for ENHANCED SECURITY ERASE UNIT.", kk==ERASE_BITS ? 508 : kk<<1);
977 printf("\n");
978 }
979 }
980
981 /* reset result */
982 if((val[HWRST_RSLT] & VALID) == VALID_VAL) {
983 printf("HW reset results:\n");
984 if(val[HWRST_RSLT] & CBLID) printf("\tCBLID- above Vih\n");
985 else printf("\tCBLID- below Vih\n");
986 if(val[HWRST_RSLT] & RST0) {
987 printf("\tDevice num = 0");
988 jj = val[HWRST_RSLT];
989 } else {
990 printf("\tDevice num = 1");
991 jj = val[HWRST_RSLT] >> 8;
992 }
993 if((jj & DEV_DET) == JUMPER_VAL)
994 printf(" determined by the jumper");
995 else if((jj & DEV_DET) == CSEL_VAL)
996 printf(" determined by CSEL");
997 printf("\n");
998 }
999
1000 /* more stuff from std 5 */
1001 if((like_std > 4) && (eqpt != CDROM)) {
1002 if(val[CFA_PWR_MODE] & VALID_W160) {
1003 printf("CFA power mode 1:\n\t");
1004 if(val[CFA_PWR_MODE] & PWR_MODE_OFF) printf("dis");
1005 else printf("en");
1006 printf("abled");
1007 if(val[CFA_PWR_MODE] & PWR_MODE_REQ)
1008 printf(" and required by some commands");
1009 printf("\n");
1010 if(val[CFA_PWR_MODE] & MAX_AMPS)
1011 printf("\tMaximum current = %uma\n",val[CFA_PWR_MODE] & MAX_AMPS);
1012 }
1013 if((val[INTEGRITY] & SIG) == SIG_VAL) {
1014 printf("Checksum: ");
1015 if(chksum) printf("in");
1016 printf("correct\n");
1017 }
1018 }
1019
1020 exit(0);
1021}
1022#endif
1023
1024#define VERSION "v5.4"
1025
1026#undef DO_FLUSHCACHE /* under construction: force cache flush on -W0 */
1027#define TIMING_BUF_MB 2
1028#define TIMING_BUF_BYTES (TIMING_BUF_MB * 1024 * 1024)
1029#define BUFCACHE_FACTOR 2
1030
1031static int verbose = 0, get_identity = 0, get_geom = 0, noisy = 1, quiet = 0;
1032static int flagcount = 0, do_flush = 0, is_scsi_hd = 0, is_xt_hd = 0;
1033static int do_ctimings, do_timings = 0;
1034
1035static unsigned long set_readahead= 0, get_readahead= 0, readahead= 0;
1036static unsigned long set_readonly = 0, get_readonly = 0, readonly = 0;
1037static unsigned long set_unmask = 0, get_unmask = 0, unmask = 0;
1038static unsigned long set_mult = 0, get_mult = 0, mult = 0;
1039static unsigned long set_dma = 0, get_dma = 0, dma = 0;
1040static unsigned long set_dma_q = 0, get_dma_q = 0, dma_q = 0;
1041static unsigned long set_nowerr = 0, get_nowerr = 0, nowerr = 0;
1042static unsigned long set_keep = 0, get_keep = 0, keep = 0;
1043static unsigned long set_io32bit = 0, get_io32bit = 0, io32bit = 0;
1044static unsigned long set_piomode = 0, noisy_piomode= 0;
1045static int piomode = 0;
1046#ifdef HDIO_DRIVE_CMD
1047static unsigned long set_dkeep = 0, get_dkeep = 0, dkeep = 0;
1048static unsigned long set_standby = 0, get_standby = 0, standby_requested= 0;
1049static unsigned long set_xfermode = 0, get_xfermode = 0;
1050static int xfermode_requested= 0;
1051static unsigned long set_lookahead= 0, get_lookahead= 0, lookahead= 0;
1052static unsigned long set_prefetch = 0, get_prefetch = 0, prefetch = 0;
1053static unsigned long set_defects = 0, get_defects = 0, defects = 0;
1054static unsigned long set_wcache = 0, get_wcache = 0, wcache = 0;
1055static unsigned long set_doorlock = 0, get_doorlock = 0, doorlock = 0;
1056static unsigned long set_seagate = 0, get_seagate = 0;
1057static unsigned long set_standbynow = 0, get_standbynow = 0;
1058static unsigned long set_sleepnow = 0, get_sleepnow = 0;
1059static unsigned long get_powermode = 0;
1060static unsigned long set_apmmode = 0, get_apmmode= 0, apmmode = 0;
1061#endif
1062#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1063static int get_IDentity = 0;
1064#endif
1065#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1066static int unregister_hwif = 0;
1067static int hwif = 0;
1068#endif
1069#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
1070static int scan_hwif = 0;
1071static int hwif_data = 0;
1072static int hwif_ctrl = 0;
1073static int hwif_irq = 0;
1074#endif
1075#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1076static int set_busstate = 0, get_busstate = 0, busstate = 0;
1077#endif
1078static int reread_partn = 0;
1079
1080#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
1081static int perform_reset = 0;
1082#endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
1083#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1084static int perform_tristate = 0, tristate = 0;
1085#endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
1086
1087// Historically, if there was no HDIO_OBSOLETE_IDENTITY, then
1088// then the HDIO_GET_IDENTITY only returned 142 bytes.
1089// Otherwise, HDIO_OBSOLETE_IDENTITY returns 142 bytes,
1090// and HDIO_GET_IDENTITY returns 512 bytes. But the latest
1091// 2.5.xx kernels no longer define HDIO_OBSOLETE_IDENTITY
1092// (which they should, but they should just return -EINVAL).
1093//
1094// So.. we must now assume that HDIO_GET_IDENTITY returns 512 bytes.
1095// On a really old system, it will not, and we will be confused.
1096// Too bad, really.
1097
1098#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
1099static const char *cfg_str[] =
1100{ "", " HardSect", " SoftSect", " NotMFM",
1101 " HdSw>15uSec", " SpinMotCtl", " Fixed", " Removeable",
1102 " DTR<=5Mbs", " DTR>5Mbs", " DTR>10Mbs", " RotSpdTol>.5%",
1103 " dStbOff", " TrkOff", " FmtGapReq", " nonMagnetic"
1104};
1105
1106static const char *BuffType[] = {"unknown", "1Sect", "DualPort", "DualPortCache"};
1107
1108#define YN(b) (((b)==0)?"no":"yes")
1109
1110static void dmpstr (const char *prefix, unsigned int i, const char *s[], unsigned int maxi)
1111{
1112 if (i > maxi)
1113 printf("%s%u", prefix, i);
1114 else
1115 printf("%s%s", prefix, s[i]);
1116}
1117
1118static void dump_identity (const struct hd_driveid *id)
1119{
1120 int i;
1121 char pmodes[64] = {0,}, dmodes[128]={0,}, umodes[128]={0,};
1122 const unsigned short int *id_regs= (const void*) id;
1123 unsigned long capacity;
1124
1125 printf("\n Model=%.40s, FwRev=%.8s, SerialNo=%.20s",
1126 id->model, id->fw_rev, id->serial_no);
1127 printf("\n Config={");
1128 for (i=0; i<=15; i++) {
1129 if (id->config & (1<<i))
1130 printf("%s", cfg_str[i]);
1131 }
1132 printf(" }\n");
1133 printf(" RawCHS=%u/%u/%u, TrkSize=%u, SectSize=%u, ECCbytes=%u\n",
1134 id->cyls, id->heads, id->sectors,
1135 id->track_bytes, id->sector_bytes, id->ecc_bytes);
1136 dmpstr(" BuffType=",id->buf_type,BuffType,3);
1137 printf(", BuffSize=%ukB, MaxMultSect=%u", id->buf_size/2, id->max_multsect);
1138 if (id->max_multsect) {
1139 printf(", MultSect=");
1140 if (!(id->multsect_valid&1))
1141 printf("?%u?", id->multsect);
1142 else if (id->multsect)
1143 printf("%u", id->multsect);
1144 else
1145 printf("off");
1146 }
1147 putchar('\n');
1148 if (id->tPIO <= 5) {
1149 strcat(pmodes, "pio0 ");
1150 if (id->tPIO >= 1) strcat(pmodes, "pio1 ");
1151 if (id->tPIO >= 2) strcat(pmodes, "pio2 ");
1152 }
1153 if (!(id->field_valid&1))
1154 printf(" (maybe):");
1155#if __BYTE_ORDER == __BIG_ENDIAN
1156 capacity = (id->cur_capacity0 << 16) | id->cur_capacity1;
1157#else
1158 capacity = (id->cur_capacity1 << 16) | id->cur_capacity0;
1159#endif
1160 printf(" CurCHS=%u/%u/%u, CurSects=%lu", id->cur_cyls, id->cur_heads, id->cur_sectors, capacity);
1161 printf(", LBA=%s", YN(id->capability&2));
1162 if (id->capability&2)
1163 printf(", LBAsects=%u", id->lba_capacity);
1164
1165 if (id->capability&1) {
1166 if (id->dma_1word | id->dma_mword) {
1167 if (id->dma_1word & 0x100) strcat(dmodes,"*");
1168 if (id->dma_1word & 1) strcat(dmodes,"sdma0 ");
1169 if (id->dma_1word & 0x200) strcat(dmodes,"*");
1170 if (id->dma_1word & 2) strcat(dmodes,"sdma1 ");
1171 if (id->dma_1word & 0x400) strcat(dmodes,"*");
1172 if (id->dma_1word & 4) strcat(dmodes,"sdma2 ");
1173 if (id->dma_1word & 0xf800) strcat(dmodes,"*");
1174 if (id->dma_1word & 0xf8) strcat(dmodes,"sdma? ");
1175 if (id->dma_mword & 0x100) strcat(dmodes,"*");
1176 if (id->dma_mword & 1) strcat(dmodes,"mdma0 ");
1177 if (id->dma_mword & 0x200) strcat(dmodes,"*");
1178 if (id->dma_mword & 2) strcat(dmodes,"mdma1 ");
1179 if (id->dma_mword & 0x400) strcat(dmodes,"*");
1180 if (id->dma_mword & 4) strcat(dmodes,"mdma2 ");
1181 if (id->dma_mword & 0xf800) strcat(dmodes,"*");
1182 if (id->dma_mword & 0xf8) strcat(dmodes,"mdma? ");
1183 }
1184 }
1185 printf("\n IORDY=");
1186 if (id->capability&8)
1187 printf((id->capability&4) ? "on/off" : "yes");
1188 else
1189 printf("no");
1190 if ((id->capability&8) || (id->field_valid&2)) {
1191 if (id->field_valid&2) {
1192 printf(", tPIO={min:%u,w/IORDY:%u}", id->eide_pio, id->eide_pio_iordy);
1193 if (id->eide_pio_modes & 1) strcat(pmodes, "pio3 ");
1194 if (id->eide_pio_modes & 2) strcat(pmodes, "pio4 ");
1195 if (id->eide_pio_modes &~3) strcat(pmodes, "pio? ");
1196 }
1197 if (id->field_valid&4) {
1198 if (id->dma_ultra & 0x100) strcat(umodes,"*");
1199 if (id->dma_ultra & 0x001) strcat(umodes,"udma0 ");
1200 if (id->dma_ultra & 0x200) strcat(umodes,"*");
1201 if (id->dma_ultra & 0x002) strcat(umodes,"udma1 ");
1202 if (id->dma_ultra & 0x400) strcat(umodes,"*");
1203 if (id->dma_ultra & 0x004) strcat(umodes,"udma2 ");
1204#ifdef __NEW_HD_DRIVE_ID
1205 if (id->hw_config & 0x2000) {
1206#else /* !__NEW_HD_DRIVE_ID */
1207 if (id->word93 & 0x2000) {
1208#endif /* __NEW_HD_DRIVE_ID */
1209 if (id->dma_ultra & 0x0800) strcat(umodes,"*");
1210 if (id->dma_ultra & 0x0008) strcat(umodes,"udma3 ");
1211 if (id->dma_ultra & 0x1000) strcat(umodes,"*");
1212 if (id->dma_ultra & 0x0010) strcat(umodes,"udma4 ");
1213 if (id->dma_ultra & 0x2000) strcat(umodes,"*");
1214 if (id->dma_ultra & 0x0020) strcat(umodes,"udma5 ");
1215 if (id->dma_ultra & 0x4000) strcat(umodes,"*");
1216 if (id->dma_ultra & 0x0040) strcat(umodes,"udma6 ");
1217 if (id->dma_ultra & 0x8000) strcat(umodes,"*");
1218 if (id->dma_ultra & 0x0080) strcat(umodes,"udma7 ");
1219 }
1220 }
1221 }
1222 if ((id->capability&1) && (id->field_valid&2))
1223 printf(", tDMA={min:%u,rec:%u}", id->eide_dma_min, id->eide_dma_time);
1224 printf("\n PIO modes: %s", pmodes);
1225 if (*dmodes)
1226 printf("\n DMA modes: %s", dmodes);
1227 if (*umodes)
1228 printf("\n UDMA modes: %s", umodes);
1229
1230 printf("\n AdvancedPM=%s",YN(id_regs[83]&8));
1231 if (id_regs[83] & 8) {
1232 if (!(id_regs[86]&8))
1233 printf(": disabled (255)");
1234 else if ((id_regs[91]&0xFF00)!=0x4000)
1235 printf(": unknown setting");
1236 else
1237 printf(": mode=0x%02X (%u)",id_regs[91]&0xFF,id_regs[91]&0xFF);
1238 }
1239 if (id_regs[82]&0x20)
1240 printf(" WriteCache=%s",(id_regs[85]&0x20) ? "enabled" : "disabled");
1241#ifdef __NEW_HD_DRIVE_ID
1242 if ((id->minor_rev_num && id->minor_rev_num <= 31) || (id->major_rev_num && id->minor_rev_num <= 31)) {
1243 printf("\n Drive conforms to: ");
1244 if (id->minor_rev_num <= 31)
1245 printf("%s: ", minor_str[id->minor_rev_num]);
1246 else
1247 printf("unknown: ");
1248 if (id->major_rev_num < 31) {
1249 for (i=0; i <= 15; i++) {
1250 if (id->major_rev_num & (1<<i))
1251 printf(" %u", i);
1252 }
1253 }
1254 }
1255#endif /* __NEW_HD_DRIVE_ID */
1256 printf("\n");
1257 printf("\n * signifies the current active mode\n");
1258 printf("\n");
1259}
1260#endif
1261
1262static void flush_buffer_cache (int fd)
1263{
1264 fsync (fd); /* flush buffers */
1265 if (ioctl(fd, BLKFLSBUF, NULL)) /* do it again, big time */
1266 bb_perror_msg("BLKFLSBUF failed");
1267#ifdef HDIO_DRIVE_CMD
1268 if (is_scsi_hd || is_xt_hd) {
1269 sleep(1);
1270 } else {
1271 if (ioctl(fd, HDIO_DRIVE_CMD, NULL) && errno != EINVAL) /* await completion */
1272 bb_perror_msg("HDIO_DRIVE_CMD(null) (wait for flush complete) failed");
1273 }
1274#endif
1275}
1276
1277static int seek_to_zero (int fd)
1278{
1279 if (lseek(fd, (off_t) 0, SEEK_SET)) {
1280 bb_perror_msg("lseek() failed");
1281 return 1;
1282 }
1283 return 0;
1284}
1285
1286static int read_big_block (int fd, char *buf)
1287{
1288 int i, rc;
1289 if ((rc = read(fd, buf, TIMING_BUF_BYTES)) != TIMING_BUF_BYTES) {
1290 if (rc) {
1291 if (rc == -1)
1292 bb_perror_msg("read() failed");
1293 else
1294 bb_error_msg("read(%u) returned %u bytes", TIMING_BUF_BYTES, rc);
1295 } else {
1296 fputs ("read() hit EOF - device too small\n", stderr);
1297 }
1298 return 1;
1299 }
1300 /* access all sectors of buf to ensure the read fully completed */
1301 for (i = 0; i < TIMING_BUF_BYTES; i += 512)
1302 buf[i] &= 1;
1303 return 0;
1304}
1305
1306static void time_cache (int fd)
1307{
1308 char *buf;
1309 struct itimerval e1, e2;
1310 int shmid;
1311 double elapsed, elapsed2;
1312 unsigned int iterations, total_MB;
1313
1314 if ((shmid = shmget(IPC_PRIVATE, TIMING_BUF_BYTES, 0600)) == -1) {
1315 bb_perror_msg ("could not allocate sharedmem buf");
1316 return;
1317 }
1318 if (shmctl(shmid, SHM_LOCK, NULL) == -1) {
1319 bb_perror_msg ("could not lock sharedmem buf");
1320 (void) shmctl(shmid, IPC_RMID, NULL);
1321 return;
1322 }
1323 if ((buf = shmat(shmid, (char *) 0, 0)) == (char *) -1) {
1324 bb_perror_msg ("could not attach sharedmem buf");
1325 (void) shmctl(shmid, IPC_RMID, NULL);
1326 return;
1327 }
1328 if (shmctl(shmid, IPC_RMID, NULL) == -1)
1329 bb_perror_msg ("shmctl(,IPC_RMID,) failed");
1330
1331 /* Clear out the device request queues & give them time to complete */
1332 sync();
1333 sleep(3);
1334
1335 /*
1336 * getitimer() is used rather than gettimeofday() because
1337 * it is much more consistent (on my machine, at least).
1338 */
1339 setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
1340 if (seek_to_zero (fd)) return;
1341 if (read_big_block (fd, buf)) return;
1342 printf(" Timing buffer-cache reads: ");
1343 fflush(stdout);
1344
1345 /* Clear out the device request queues & give them time to complete */
1346 sync();
1347 sleep(1);
1348
1349 /* Now do the timing */
1350 iterations = 0;
1351 getitimer(ITIMER_REAL, &e1);
1352 do {
1353 ++iterations;
1354 if (seek_to_zero (fd) || read_big_block (fd, buf))
1355 goto quit;
1356 getitimer(ITIMER_REAL, &e2);
1357 elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
1358 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1359 } while (elapsed < 2.0);
1360 total_MB = iterations * TIMING_BUF_MB;
1361
1362 elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
1363 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1364
1365 /* Now remove the lseek() and getitimer() overheads from the elapsed time */
1366 getitimer(ITIMER_REAL, &e1);
1367 do {
1368 if (seek_to_zero (fd))
1369 goto quit;
1370 getitimer(ITIMER_REAL, &e2);
1371 elapsed2 = (e1.it_value.tv_sec - e2.it_value.tv_sec)
1372 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1373 } while (--iterations);
1374
1375 elapsed -= elapsed2;
1376
1377 if ((BUFCACHE_FACTOR * total_MB) >= elapsed) /* more than 1MB/s */
1378 printf("%3u MB in %5.2f seconds = %6.2f MB/sec\n",
1379 (BUFCACHE_FACTOR * total_MB), elapsed,
1380 (BUFCACHE_FACTOR * total_MB) / elapsed);
1381 else
1382 printf("%3u MB in %5.2f seconds = %6.2f kB/sec\n",
1383 (BUFCACHE_FACTOR * total_MB), elapsed,
1384 (BUFCACHE_FACTOR * total_MB) / elapsed * 1024);
1385
1386 flush_buffer_cache(fd);
1387 sleep(1);
1388quit:
1389 if (-1 == shmdt(buf))
1390 bb_perror_msg ("could not detach sharedmem buf");
1391}
1392
1393static void time_device (int fd)
1394{
1395 char *buf;
1396 double elapsed;
1397 struct itimerval e1, e2;
1398 int shmid;
1399 unsigned int max_iterations = 1024, total_MB, iterations;
1400 static long parm;
1401
1402 //
1403 // get device size
1404 //
1405 if (do_ctimings || do_timings) {
1406 if (ioctl(fd, BLKGETSIZE, &parm))
1407 bb_perror_msg(" BLKGETSIZE failed");
1408 else
1409 max_iterations = parm / (2 * 1024) / TIMING_BUF_MB;
1410 }
1411
1412 if ((shmid = shmget(IPC_PRIVATE, TIMING_BUF_BYTES, 0600)) == -1) {
1413 bb_perror_msg ("could not allocate sharedmem buf");
1414 return;
1415 }
1416 if (shmctl(shmid, SHM_LOCK, NULL) == -1) {
1417 bb_perror_msg ("could not lock sharedmem buf");
1418 (void) shmctl(shmid, IPC_RMID, NULL);
1419 return;
1420 }
1421 if ((buf = shmat(shmid, (char *) 0, 0)) == (char *) -1) {
1422 bb_perror_msg ("could not attach sharedmem buf");
1423 (void) shmctl(shmid, IPC_RMID, NULL);
1424 return;
1425 }
1426 if (shmctl(shmid, IPC_RMID, NULL) == -1)
1427 bb_perror_msg ("shmctl(,IPC_RMID,) failed");
1428
1429 /* Clear out the device request queues & give them time to complete */
1430 sync();
1431 sleep(3);
1432
1433 printf(" Timing buffered disk reads: ");
1434 fflush(stdout);
1435
1436 /*
1437 * getitimer() is used rather than gettimeofday() because
1438 * it is much more consistent (on my machine, at least).
1439 */
1440 setitimer(ITIMER_REAL, &(struct itimerval){{1000,0},{1000,0}}, NULL);
1441
1442 /* Now do the timings for real */
1443 iterations = 0;
1444 getitimer(ITIMER_REAL, &e1);
1445 do {
1446 ++iterations;
1447 if (read_big_block (fd, buf))
1448 goto quit;
1449 getitimer(ITIMER_REAL, &e2);
1450 elapsed = (e1.it_value.tv_sec - e2.it_value.tv_sec)
1451 + ((e1.it_value.tv_usec - e2.it_value.tv_usec) / 1000000.0);
1452 } while (elapsed < 3.0 && iterations < max_iterations);
1453
1454 total_MB = iterations * TIMING_BUF_MB;
1455 if ((total_MB / elapsed) > 1.0) /* more than 1MB/s */
1456 printf("%3u MB in %5.2f seconds = %6.2f MB/sec\n",
1457 total_MB, elapsed, total_MB / elapsed);
1458 else
1459 printf("%3u MB in %5.2f seconds = %6.2f kB/sec\n",
1460 total_MB, elapsed, total_MB / elapsed * 1024);
1461quit:
1462 if (-1 == shmdt(buf))
1463 bb_perror_msg ("could not detach sharedmem buf");
1464}
1465
1466static void no_scsi (void)
1467{
1468 if (is_scsi_hd) {
1469 bb_error_msg_and_die(" operation not supported on SCSI disks\n");
1470 }
1471}
1472
1473static void no_xt (void)
1474{
1475 if (is_xt_hd) {
1476 bb_error_msg_and_die (" operation not supported on XT disks\n");
1477 }
1478}
1479
1480static void on_off (unsigned int value)
1481{
1482 printf(value ? " (on)\n" : " (off)\n");
1483}
1484
1485#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
1486static void bus_state_value (unsigned int value)
1487{
1488 const char *string;
1489
1490 switch (value) {
1491 case BUSSTATE_ON:
1492 string = " (on)\n";
1493 break;
1494 case BUSSTATE_OFF:
1495 string = " (off)\n";
1496 break;
1497 case BUSSTATE_TRISTATE:
1498 string = " (tristate)\n";
1499 break;
1500 default:
1501 string = " (unknown: %d)\n";
1502 break;
1503 }
1504 printf(string, value);
1505}
1506#endif
1507
1508#ifdef HDIO_DRIVE_CMD
1509static void interpret_standby (unsigned int standby)
1510{
1511 printf(" (");
1512 switch(standby) {
1513 case 0: printf("off");
1514 break;
1515 case 252: printf("21 minutes");
1516 break;
1517 case 253: printf("vendor-specific");
1518 break;
1519 case 254: printf("?reserved");
1520 break;
1521 case 255: printf("21 minutes + 15 seconds");
1522 break;
1523 default:
1524 if (standby <= 240) {
1525 unsigned int secs = standby * 5;
1526 unsigned int mins = secs / 60;
1527 secs %= 60;
1528 if (mins) printf("%u minutes", mins);
1529 if (mins && secs) printf(" + ");
1530 if (secs) printf("%u seconds", secs);
1531 } else if (standby <= 251) {
1532 unsigned int mins = (standby - 240) * 30;
1533 unsigned int hrs = mins / 60;
1534 mins %= 60;
1535 if (hrs) printf("%u hours", hrs);
1536 if (hrs && mins) printf(" + ");
1537 if (mins) printf("%u minutes", mins);
1538 } else
1539 printf("illegal value");
1540 break;
1541 }
1542 printf(")\n");
1543}
1544
1545struct xfermode_entry {
1546 int val;
1547 const char *name;
1548};
1549
1550static const struct xfermode_entry xfermode_table[] = {
1551 { 8, "pio0" },
1552 { 9, "pio1" },
1553 { 10, "pio2" },
1554 { 11, "pio3" },
1555 { 12, "pio4" },
1556 { 13, "pio5" },
1557 { 14, "pio6" },
1558 { 15, "pio7" },
1559 { 16, "sdma0" },
1560 { 17, "sdma1" },
1561 { 18, "sdma2" },
1562 { 19, "sdma3" },
1563 { 20, "sdma4" },
1564 { 21, "sdma5" },
1565 { 22, "sdma6" },
1566 { 23, "sdma7" },
1567 { 32, "mdma0" },
1568 { 33, "mdma1" },
1569 { 34, "mdma2" },
1570 { 35, "mdma3" },
1571 { 36, "mdma4" },
1572 { 37, "mdma5" },
1573 { 38, "mdma6" },
1574 { 39, "mdma7" },
1575 { 64, "udma0" },
1576 { 65, "udma1" },
1577 { 66, "udma2" },
1578 { 67, "udma3" },
1579 { 68, "udma4" },
1580 { 69, "udma5" },
1581 { 70, "udma6" },
1582 { 71, "udma7" },
1583 { 0, NULL }
1584};
1585
1586static int translate_xfermode(char * name)
1587{
1588 const struct xfermode_entry *tmp;
1589 char *endptr;
1590 int val = -1;
1591
1592
1593 for (tmp = xfermode_table; tmp->name != NULL; ++tmp) {
1594 if (!strcmp(name, tmp->name))
1595 return tmp->val;
1596 }
1597
1598 val = strtol(name, &endptr, 10);
1599 if (*endptr == '\0')
1600 return val;
1601
1602 return -1;
1603}
1604
1605static void interpret_xfermode (unsigned int xfermode)
1606{
1607 printf(" (");
1608 switch(xfermode) {
1609 case 0: printf("default PIO mode");
1610 break;
1611 case 1: printf("default PIO mode, disable IORDY");
1612 break;
1613 case 8:
1614 case 9:
1615 case 10:
1616 case 11:
1617 case 12:
1618 case 13:
1619 case 14:
1620 case 15: printf("PIO flow control mode%u", xfermode-8);
1621 break;
1622 case 16:
1623 case 17:
1624 case 18:
1625 case 19:
1626 case 20:
1627 case 21:
1628 case 22:
1629 case 23: printf("singleword DMA mode%u", xfermode-16);
1630 break;
1631 case 32:
1632 case 33:
1633 case 34:
1634 case 35:
1635 case 36:
1636 case 37:
1637 case 38:
1638 case 39: printf("multiword DMA mode%u", xfermode-32);
1639 break;
1640 case 64:
1641 case 65:
1642 case 66:
1643 case 67:
1644 case 68:
1645 case 69:
1646 case 70:
1647 case 71: printf("UltraDMA mode%u", xfermode-64);
1648 break;
1649 default:
1650 printf("unknown, probably not valid");
1651 break;
1652 }
1653 printf(")\n");
1654}
1655#endif /* HDIO_DRIVE_CMD */
1656
1657#ifndef VXVM_MAJOR
1658#define VXVM_MAJOR 199
1659#endif
1660
1661#ifndef CCISS_MAJOR
1662#define CCISS_MAJOR 104
1663#endif
1664
1665static void process_dev (char *devname)
1666{
1667 int fd;
1668 static long parm, multcount;
1669 struct stat stat_buf;
1670#ifndef HDIO_DRIVE_CMD
1671 int force_operation = 0;
1672#endif
1673 if (stat(devname,&stat_buf))
1674 bb_perror_msg_and_die(devname);
1675
1676 switch(major(stat_buf.st_rdev)) {
1677#ifdef SCSI_DISK0_MAJOR
1678 case (SCSI_DISK0_MAJOR):
1679 case (SCSI_DISK1_MAJOR):
1680 case (SCSI_DISK2_MAJOR):
1681 case (SCSI_DISK3_MAJOR):
1682 case (SCSI_DISK4_MAJOR):
1683 case (SCSI_DISK5_MAJOR):
1684 case (SCSI_DISK6_MAJOR):
1685 case (SCSI_DISK7_MAJOR):
1686#else
1687 case (SCSI_DISK_MAJOR):
1688#endif
1689#ifdef MD_MAJOR
1690 case (MD_MAJOR):
1691#endif
1692 case (VXVM_MAJOR):
1693#ifdef LVM_BLK_MAJOR
1694 case (LVM_BLK_MAJOR):
1695#endif
1696 case (CCISS_MAJOR):
1697 is_scsi_hd = 1;
1698 break;
1699#ifdef XT_DISK_MAJOR
1700 case (XT_DISK_MAJOR):
1701 is_xt_hd = 1;
1702 break;
1703#endif
1704 case IDE0_MAJOR:
1705 case IDE1_MAJOR:
1706#ifdef IDE2_MAJOR
1707 case IDE2_MAJOR:
1708#endif
1709#ifdef IDE3_MAJOR
1710 case IDE3_MAJOR:
1711#endif
1712#ifdef IDE4_MAJOR
1713 case IDE4_MAJOR:
1714#endif
1715#ifdef IDE5_MAJOR
1716 case IDE5_MAJOR:
1717#endif
1718#ifdef IDE6_MAJOR
1719 case IDE6_MAJOR:
1720#endif
1721#ifdef IDE7_MAJOR
1722 case IDE7_MAJOR:
1723#endif
1724#ifdef IDE8_MAJOR
1725 case IDE8_MAJOR:
1726#endif
1727#ifdef IDE9_MAJOR
1728 case IDE9_MAJOR:
1729#endif
1730 break; /* do nothing */
1731 default:
1732 bb_error_msg_and_die("%s not supported by hdparm",devname);
1733 }
1734
1735 fd = open (devname, O_RDONLY|O_NONBLOCK);
1736 if (fd < 0)
1737 bb_perror_msg_and_die(devname);
1738 if (!quiet)
1739 printf("\n%s:\n", devname);
1740
1741 if (set_readahead) {
1742 if (get_readahead)
1743 printf(" setting fs readahead to %ld\n", readahead);
1744 if (ioctl(fd, BLKRASET, readahead))
1745 bb_perror_msg(" BLKRASET failed");
1746 }
1747#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
1748 if (unregister_hwif) {
1749 no_scsi();
1750 printf(" attempting to unregister hwif#%u\n", hwif);
1751 if (ioctl(fd, HDIO_UNREGISTER_HWIF, hwif))
1752 bb_perror_msg(" HDIO_UNREGISTER_HWIF failed");
1753 }
1754#endif
1755#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
1756 if (scan_hwif) {
1757 int args[3];
1758 no_scsi();
1759 printf(" attempting to scan hwif (0x%x, 0x%x, %u)\n", hwif_data, hwif_ctrl, hwif_irq);
1760 args[0] = hwif_data;
1761 args[1] = hwif_ctrl;
1762 args[2] = hwif_irq;
1763 if (ioctl(fd, HDIO_SCAN_HWIF, args))
1764 bb_perror_msg(" HDIO_SCAN_HWIF failed");
1765 }
1766#endif
1767 if (set_piomode) {
1768 no_scsi();
1769 no_xt();
1770 if (noisy_piomode) {
1771 if (piomode == 255)
1772 printf(" attempting to auto-tune PIO mode\n");
1773 else if (piomode < 100)
1774 printf(" attempting to set PIO mode to %d\n", piomode);
1775 else if (piomode < 200)
1776 printf(" attempting to set MDMA mode to %d\n", (piomode-100));
1777 else
1778 printf(" attempting to set UDMA mode to %d\n", (piomode-200));
1779 }
1780 if (ioctl(fd, HDIO_SET_PIO_MODE, piomode))
1781 bb_perror_msg(" HDIO_SET_PIO_MODE failed");
1782 }
1783 if (set_io32bit) {
1784 no_scsi();
1785 no_xt();
1786 if (get_io32bit)
1787 printf(" setting 32-bit IO_support flag to %ld\n", io32bit);
1788 if (ioctl(fd, HDIO_SET_32BIT, io32bit))
1789 bb_perror_msg(" HDIO_SET_32BIT failed");
1790 }
1791 if (set_mult) {
1792 no_scsi();
1793 no_xt();
1794 if (get_mult)
1795 printf(" setting multcount to %ld\n", mult);
1796 if (ioctl(fd, HDIO_SET_MULTCOUNT, mult))
1797 bb_perror_msg(" HDIO_SET_MULTCOUNT failed");
1798#ifndef HDIO_DRIVE_CMD
1799 else force_operation = 1;
1800#endif
1801 }
1802 if (set_readonly) {
1803 if (get_readonly) {
1804 printf(" setting readonly to %ld", readonly);
1805 on_off(readonly);
1806 }
1807 if (ioctl(fd, BLKROSET, &readonly))
1808 bb_perror_msg(" BLKROSET failed");
1809 }
1810 if (set_unmask) {
1811 no_scsi();
1812 no_xt();
1813 if (get_unmask) {
1814 printf(" setting unmaskirq to %ld", unmask);
1815 on_off(unmask);
1816 }
1817 if (ioctl(fd, HDIO_SET_UNMASKINTR, unmask))
1818 bb_perror_msg(" HDIO_SET_UNMASKINTR failed");
1819 }
1820 if (set_dma) {
1821 no_scsi();
1822 if (get_dma) {
1823 printf(" setting using_dma to %ld", dma);
1824 on_off(dma);
1825 }
1826 if (ioctl(fd, HDIO_SET_DMA, dma))
1827 bb_perror_msg(" HDIO_SET_DMA failed");
1828 }
1829 if (set_dma_q) {
1830 no_scsi();
1831 if (get_dma_q) {
1832 printf(" setting DMA queue_depth to %ld", dma_q);
1833 on_off(dma_q);
1834 }
1835 if (ioctl(fd, HDIO_SET_QDMA, dma_q))
1836 bb_perror_msg(" HDIO_SET_QDMA failed");
1837 }
1838 if (set_nowerr) {
1839 no_scsi();
1840 no_xt();
1841 if (get_nowerr) {
1842 printf(" setting nowerr to %ld", nowerr);
1843 on_off(nowerr);
1844 }
1845 if (ioctl(fd, HDIO_SET_NOWERR, nowerr))
1846 bb_perror_msg(" HDIO_SET_NOWERR failed");
1847 }
1848 if (set_keep) {
1849 no_scsi();
1850 no_xt();
1851 if (get_keep) {
1852 printf(" setting keep_settings to %ld", keep);
1853 on_off(keep);
1854 }
1855 if (ioctl(fd, HDIO_SET_KEEPSETTINGS, keep))
1856 bb_perror_msg(" HDIO_SET_KEEPSETTINGS failed");
1857 }
1858#ifdef HDIO_DRIVE_CMD
1859 if (set_doorlock) {
1860 unsigned char args[4] = {0,0,0,0};
1861 no_scsi();
1862 no_xt();
1863 args[0] = doorlock ? WIN_DOORLOCK : WIN_DOORUNLOCK;
1864 if (get_doorlock) {
1865 printf(" setting drive doorlock to %ld", doorlock);
1866 on_off(doorlock);
1867 }
1868 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
1869 bb_perror_msg(" HDIO_DRIVE_CMD(doorlock) failed");
1870 }
1871 if (set_dkeep) {
1872 /* lock/unlock the drive's "feature" settings */
1873 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
1874 no_scsi();
1875 no_xt();
1876 if (get_dkeep) {
1877 printf(" setting drive keep features to %ld", dkeep);
1878 on_off(dkeep);
1879 }
1880 args[2] = dkeep ? 0x66 : 0xcc;
1881 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
1882 bb_perror_msg(" HDIO_DRIVE_CMD(keepsettings) failed");
1883 }
1884 if (set_defects) {
1885 unsigned char args[4] = {WIN_SETFEATURES,0,0x04,0};
1886 no_scsi();
1887 args[2] = defects ? 0x04 : 0x84;
1888 if (get_defects)
1889 printf(" setting drive defect-mgmt to %ld\n", defects);
1890 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
1891 bb_perror_msg(" HDIO_DRIVE_CMD(defectmgmt) failed");
1892 }
1893 if (set_prefetch) {
1894 unsigned char args[4] = {WIN_SETFEATURES,0,0xab,0};
1895 no_scsi();
1896 no_xt();
1897 args[1] = prefetch;
1898 if (get_prefetch)
1899 printf(" setting drive prefetch to %ld\n", prefetch);
1900 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
1901 bb_perror_msg(" HDIO_DRIVE_CMD(setprefetch) failed");
1902 }
1903 if (set_xfermode) {
1904 unsigned char args[4] = {WIN_SETFEATURES,0,3,0};
1905 no_scsi();
1906 no_xt();
1907 args[1] = xfermode_requested;
1908 if (get_xfermode) {
1909 printf(" setting xfermode to %d", xfermode_requested);
1910 interpret_xfermode(xfermode_requested);
1911 }
1912 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
1913 bb_perror_msg(" HDIO_DRIVE_CMD(setxfermode) failed");
1914 }
1915 if (set_lookahead) {
1916 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
1917 no_scsi();
1918 no_xt();
1919 args[2] = lookahead ? 0xaa : 0x55;
1920 if (get_lookahead) {
1921 printf(" setting drive read-lookahead to %ld", lookahead);
1922 on_off(lookahead);
1923 }
1924 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
1925 bb_perror_msg(" HDIO_DRIVE_CMD(setreadahead) failed");
1926 }
1927 if (set_apmmode) {
1928 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
1929 no_scsi();
1930 if (apmmode<1) apmmode=1;
1931 if (apmmode>255) apmmode=255;
1932 if (get_apmmode)
1933 printf(" setting Advanced Power Management level to");
1934 if (apmmode==255) {
1935 /* disable Advanced Power Management */
1936 args[2] = 0x85; /* feature register */
1937 if (get_apmmode) printf(" disabled\n");
1938 } else {
1939 /* set Advanced Power Management mode */
1940 args[2] = 0x05; /* feature register */
1941 args[1] = apmmode; /* sector count register */
1942 if (get_apmmode) printf(" 0x%02lX (%ld)\n",apmmode,apmmode);
1943 }
1944 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
1945 bb_perror_msg(" HDIO_DRIVE_CMD failed");
1946 }
1947 if (set_wcache) {
1948#ifdef DO_FLUSHCACHE
1949#ifndef WIN_FLUSHCACHE
1950#define WIN_FLUSHCACHE 0xe7
1951#endif
1952 unsigned char flushcache[4] = {WIN_FLUSHCACHE,0,0,0};
1953#endif /* DO_FLUSHCACHE */
1954 unsigned char args[4] = {WIN_SETFEATURES,0,0,0};
1955 no_scsi();
1956 no_xt();
1957 args[2] = wcache ? 0x02 : 0x82;
1958 if (get_wcache) {
1959 printf(" setting drive write-caching to %ld", wcache);
1960 on_off(wcache);
1961 }
1962#ifdef DO_FLUSHCACHE
1963 if (!wcache && ioctl(fd, HDIO_DRIVE_CMD, &flushcache))
1964 bb_perror_msg (" HDIO_DRIVE_CMD(flushcache) failed");
1965#endif /* DO_FLUSHCACHE */
1966 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
1967 bb_perror_msg(" HDIO_DRIVE_CMD(setcache) failed");
1968#ifdef DO_FLUSHCACHE
1969 if (!wcache && ioctl(fd, HDIO_DRIVE_CMD, &flushcache))
1970 bb_perror_msg (" HDIO_DRIVE_CMD(flushcache) failed");
1971#endif /* DO_FLUSHCACHE */
1972 }
1973 if (set_standbynow) {
1974#ifndef WIN_STANDBYNOW1
1975#define WIN_STANDBYNOW1 0xE0
1976#endif
1977#ifndef WIN_STANDBYNOW2
1978#define WIN_STANDBYNOW2 0x94
1979#endif
1980 unsigned char args1[4] = {WIN_STANDBYNOW1,0,0,0};
1981 unsigned char args2[4] = {WIN_STANDBYNOW2,0,0,0};
1982 no_scsi();
1983 if (get_standbynow)
1984 printf(" issuing standby command\n");
1985 if (ioctl(fd, HDIO_DRIVE_CMD, &args1)
1986 && ioctl(fd, HDIO_DRIVE_CMD, &args2))
1987 bb_perror_msg(" HDIO_DRIVE_CMD(standby) failed");
1988 }
1989 if (set_sleepnow) {
1990#ifndef WIN_SLEEPNOW1
1991#define WIN_SLEEPNOW1 0xE6
1992#endif
1993#ifndef WIN_SLEEPNOW2
1994#define WIN_SLEEPNOW2 0x99
1995#endif
1996 unsigned char args1[4] = {WIN_SLEEPNOW1,0,0,0};
1997 unsigned char args2[4] = {WIN_SLEEPNOW2,0,0,0};
1998 no_scsi();
1999 if (get_sleepnow)
2000 printf(" issuing sleep command\n");
2001 if (ioctl(fd, HDIO_DRIVE_CMD, &args1)
2002 && ioctl(fd, HDIO_DRIVE_CMD, &args2))
2003 bb_perror_msg(" HDIO_DRIVE_CMD(sleep) failed");
2004 }
2005 if (set_seagate) {
2006 unsigned char args[4] = {0xfb,0,0,0};
2007 no_scsi();
2008 no_xt();
2009 if (get_seagate)
2010 printf(" disabling Seagate auto powersaving mode\n");
2011 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
2012 bb_perror_msg(" HDIO_DRIVE_CMD(seagatepwrsave) failed");
2013 }
2014 if (set_standby) {
2015 unsigned char args[4] = {WIN_SETIDLE1,standby_requested,0,0};
2016 no_scsi();
2017 no_xt();
2018 if (get_standby) {
2019 printf(" setting standby to %lu", standby_requested);
2020 interpret_standby(standby_requested);
2021 }
2022 if (ioctl(fd, HDIO_DRIVE_CMD, &args))
2023 bb_perror_msg(" HDIO_DRIVE_CMD(setidle1) failed");
2024 }
2025#else /* HDIO_DRIVE_CMD */
2026 if (force_operation) {
2027 char buf[512];
2028 flush_buffer_cache(fd);
2029 if (-1 == read(fd, buf, sizeof(buf)))
2030 bb_perror_msg(" access failed");
2031 }
2032#endif /* HDIO_DRIVE_CMD */
2033
2034 if (!flagcount)
2035 verbose = 1;
2036
2037 if ((verbose && !is_scsi_hd && !is_xt_hd) || get_mult || get_identity) {
2038 no_scsi();
2039 multcount = -1;
2040 if (ioctl(fd, HDIO_GET_MULTCOUNT, &multcount)) {
2041 if ((verbose && !is_xt_hd) || get_mult)
2042 bb_perror_msg(" HDIO_GET_MULTCOUNT failed");
2043 } else if (verbose | get_mult) {
2044 printf(" multcount = %2ld", multcount);
2045 on_off(multcount);
2046 }
2047 }
2048 if ((verbose && !is_scsi_hd && !is_xt_hd) || get_io32bit) {
2049 no_scsi();
2050 no_xt();
2051 if (ioctl(fd, HDIO_GET_32BIT, &parm))
2052 bb_perror_msg(" HDIO_GET_32BIT failed");
2053 else {
2054 printf(" IO_support =%3ld (", parm);
2055 switch (parm) {
2056 case 0: printf("default ");
2057 case 2: printf("16-bit)\n");
2058 break;
2059 case 1: printf("32-bit)\n");
2060 break;
2061 case 3: printf("32-bit w/sync)\n");
2062 break;
2063 case 8: printf("Request-Queue-Bypass)\n");
2064 break;
2065 default:printf("\?\?\?)\n");
2066 }
2067 }
2068 }
2069 if ((verbose && !is_scsi_hd && !is_xt_hd) || get_unmask) {
2070 no_scsi();
2071 no_xt();
2072 if (ioctl(fd, HDIO_GET_UNMASKINTR, &parm))
2073 bb_perror_msg(" HDIO_GET_UNMASKINTR failed");
2074 else {
2075 printf(" unmaskirq = %2ld", parm);
2076 on_off(parm);
2077 }
2078 }
2079
2080#ifdef CONFIG_FEATURE_HDPARM_HDIO_GET_DMA
2081 if ((verbose && !is_scsi_hd) || get_dma) {
2082 no_scsi();
2083 if (ioctl(fd, HDIO_GET_DMA, &parm))
2084 bb_perror_msg(" HDIO_GET_DMA failed");
2085 else {
2086 printf(" using_dma = %2ld", parm);
2087 if (parm == 8)
2088 printf(" (DMA-Assisted-PIO)\n");
2089 else
2090 on_off(parm);
2091 }
2092 }
2093#endif
2094 if (get_dma_q) {
2095 no_scsi();
2096 if(ioctl(fd, HDIO_GET_QDMA, &parm)) {
2097 bb_perror_msg(" HDIO_GET_QDMA failed");
2098 } else {
2099 printf(" queue_depth = %2ld", parm);
2100 on_off(parm);
2101 }
2102 }
2103 if ((verbose && !is_scsi_hd && !is_xt_hd) || get_keep) {
2104 no_scsi();
2105 no_xt();
2106 if (ioctl(fd, HDIO_GET_KEEPSETTINGS, &parm))
2107 bb_perror_msg(" HDIO_GET_KEEPSETTINGS failed");
2108 else {
2109 printf(" keepsettings = %2ld", parm);
2110 on_off(parm);
2111 }
2112 }
2113
2114 if (get_nowerr) {
2115 no_scsi();
2116 no_xt();
2117 if (ioctl(fd, HDIO_GET_NOWERR, &parm))
2118 bb_perror_msg(" HDIO_GET_NOWERR failed");
2119 else {
2120 printf(" nowerr = %2ld", parm);
2121 on_off(parm);
2122 }
2123 }
2124 if (verbose || get_readonly) {
2125 if (ioctl(fd, BLKROGET, &parm))
2126 bb_perror_msg(" BLKROGET failed");
2127 else {
2128 printf(" readonly = %2ld", parm);
2129 on_off(parm);
2130 }
2131 }
2132 if ((verbose && !is_scsi_hd) || get_readahead) {
2133 if (ioctl(fd, BLKRAGET, &parm))
2134 bb_perror_msg(" BLKRAGET failed");
2135 else {
2136 printf(" readahead = %2ld", parm);
2137 on_off(parm);
2138 }
2139 }
2140 if (verbose || get_geom) {
2141 static const char msg[] = " geometry = %u/%u/%u, sectors = %ld, start = %ld\n";
2142 static struct hd_geometry g;
2143#ifdef HDIO_GETGEO_BIG
2144 static struct hd_big_geometry bg;
2145#endif
2146
2147 if (ioctl(fd, BLKGETSIZE, &parm))
2148 bb_perror_msg(" BLKGETSIZE failed");
2149#ifdef HDIO_GETGEO_BIG
2150 else if (!ioctl(fd, HDIO_GETGEO_BIG, &bg))
2151 printf(msg, bg.cylinders, bg.heads, bg.sectors, parm, bg.start);
2152#endif
2153 else if (ioctl(fd, HDIO_GETGEO, &g))
2154 bb_perror_msg(" HDIO_GETGEO failed");
2155 else printf(msg, g.cylinders, g.heads, g.sectors, parm, g.start);
2156 }
2157#ifdef HDIO_DRIVE_CMD
2158 if (get_powermode) {
2159#ifndef WIN_CHECKPOWERMODE1
2160#define WIN_CHECKPOWERMODE1 0xE5
2161#endif
2162#ifndef WIN_CHECKPOWERMODE2
2163#define WIN_CHECKPOWERMODE2 0x98
2164#endif
2165 unsigned char args[4] = {WIN_CHECKPOWERMODE1,0,0,0};
2166 const char *state;
2167 no_scsi();
2168 if (ioctl(fd, HDIO_DRIVE_CMD, &args)
2169 && (args[0] = WIN_CHECKPOWERMODE2) /* try again with 0x98 */
2170 && ioctl(fd, HDIO_DRIVE_CMD, &args)) {
2171 if (errno != EIO || args[0] != 0 || args[1] != 0)
2172 state = "unknown";
2173 else
2174 state = "sleeping";
2175 } else {
2176 state = (args[2] == 255) ? "active/idle" : "standby";
2177 }
2178 printf(" drive state is: %s\n", state);
2179 }
2180#endif
2181#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
2182 if (perform_reset) {
2183 no_scsi();
2184 no_xt();
2185 if (ioctl(fd, HDIO_DRIVE_RESET, NULL))
2186 bb_perror_msg(" HDIO_DRIVE_RESET failed");
2187 }
2188#endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
2189#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2190 if (perform_tristate) {
2191 unsigned char args[4] = {0,tristate,0,0};
2192 no_scsi();
2193 no_xt();
2194 if (ioctl(fd, HDIO_TRISTATE_HWIF, &args))
2195 bb_perror_msg(" HDIO_TRISTATE_HWIF failed");
2196 }
2197#endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
2198#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2199 if (get_identity) {
2200 static struct hd_driveid id;
2201
2202 no_scsi();
2203 no_xt();
2204
2205 if (!ioctl(fd, HDIO_GET_IDENTITY, &id)) {
2206 if (multcount != -1) {
2207 id.multsect = multcount;
2208 id.multsect_valid |= 1;
2209 } else
2210 id.multsect_valid &= ~1;
2211 dump_identity(&id);
2212 } else if (errno == -ENOMSG)
2213 printf(" no identification info available\n");
2214 else
2215 bb_perror_msg(" HDIO_GET_IDENTITY failed");
2216 }
2217 if (get_IDentity) {
2218 unsigned char args[4+512] = {WIN_IDENTIFY,0,0,1,};
2219 unsigned i;
2220 no_scsi();
2221 no_xt();
2222 if (ioctl(fd, HDIO_DRIVE_CMD, &args)) {
2223 args[0] = WIN_PIDENTIFY;
2224 if (ioctl(fd, HDIO_DRIVE_CMD, &args)) {
2225 bb_perror_msg(" HDIO_DRIVE_CMD(identify) failed");
2226 goto identify_abort;
2227 }
2228 }
2229 for(i=0; i<(sizeof args)/2; i+=2) {
2230 __le16_to_cpus((uint16_t *)(&args[i]));
2231 }
2232 identify((void *)&args[4], NULL);
2233identify_abort: ;
2234 }
2235#endif
2236#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2237 if (set_busstate) {
2238 no_scsi();
2239 if (get_busstate) {
2240 printf(" setting bus state to %d", busstate);
2241 bus_state_value(busstate);
2242 }
2243 if (ioctl(fd, HDIO_SET_BUSSTATE, busstate))
2244 bb_perror_msg(" HDIO_SET_BUSSTATE failed");
2245 }
2246#endif
2247#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2248 if (get_busstate) {
2249 no_scsi();
2250 if (ioctl(fd, HDIO_GET_BUSSTATE, &parm))
2251 bb_perror_msg(" HDIO_GET_BUSSTATE failed");
2252 else {
2253 printf(" busstate = %2ld", parm);
2254 bus_state_value(parm);
2255 }
2256 }
2257#endif
2258 if (reread_partn) {
2259 if (ioctl(fd, BLKRRPART, NULL)) {
2260 bb_perror_msg(" BLKRRPART failed");
2261 }
2262 }
2263
2264 if (do_ctimings)
2265 time_cache (fd);
2266 if (do_timings)
2267 time_device (fd);
2268 if (do_flush)
2269 flush_buffer_cache (fd);
2270 close (fd);
2271}
2272
2273#define GET_NUMBER(flag,num) num = 0; \
2274 if (!*p && argc && isdigit(**argv)) \
2275 p = *argv++, --argc; \
2276 while (isdigit(*p)) { \
2277 flag = 1; \
2278 num = (num * 10) + (*p++ - '0'); \
2279 }
2280
2281#define GET_STRING(flag, num) tmpstr = name; \
2282 tmpstr[0] = '\0'; \
2283 if (!*p && argc && isalnum(**argv)) \
2284 p = *argv++, --argc; \
2285 while (isalnum(*p) && (tmpstr - name) < 31) { \
2286 tmpstr[0] = *p++; \
2287 tmpstr[1] = '\0'; \
2288 ++tmpstr; \
2289 } \
2290 num = translate_xfermode(name); \
2291 if (num == -1) \
2292 flag = 0; \
2293 else \
2294 flag = 1;
2295
2296#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2297static int fromhex (unsigned char c)
2298{
2299 if (c >= 'a' && c <= 'f')
2300 return 10 + (c - 'a');
2301 if (c >= '0' && c <= '9')
2302 return (c - '0');
2303 bb_error_msg_and_die("bad char: '%c' 0x%02x", c, c);
2304}
2305
2306static int identify_from_stdin (void)
2307{
2308 unsigned short sbuf[800];
2309 unsigned char buf[1600], *b = (unsigned char *)buf;
2310 int i, count = read(0, buf, 1280);
2311
2312 if (count != 1280)
2313 bb_error_msg_and_die("read(1280 bytes) failed (rc=%d)", count);
2314 for (i = 0; count >= 4; ++i) {
2315 sbuf[i] = (fromhex(b[0]) << 12) | (fromhex(b[1]) << 8) | (fromhex(b[2]) << 4) | fromhex(b[3]);
2316 __le16_to_cpus((uint16_t *)(&sbuf[i]));
2317 b += 5;
2318 count -= 5;
2319 }
2320 identify(sbuf, NULL);
2321 return 0;
2322}
2323#endif
2324
2325/* our main() routine: */
2326int hdparm_main(int argc, char **argv)
2327{
2328 char c, *p;
2329 char *tmpstr;
2330 char name[32];
2331 int neg;
2332
2333 ++argv;
2334 if (!--argc)
2335 bb_show_usage();
2336 while (argc--) {
2337#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2338 if (!strcmp("-Istdin", *argv)) {
2339 exit(identify_from_stdin());
2340 }
2341#endif
2342 p = *argv++;
2343 if (*p == '-') {
2344 if (!*++p)
2345 bb_show_usage();
2346 while ((c = *p++)) {
2347 ++flagcount;
2348 switch (c) {
2349 case 'V':
2350 bb_error_msg_and_die("%s", VERSION);
2351 case 'v':
2352 verbose = 1;
2353 break;
2354#ifdef CONFIG_FEATURE_HDPARM_GET_IDENTITY
2355 case 'I':
2356 get_IDentity = 1;
2357 break;
2358 case 'i':
2359 get_identity = 1;
2360 break;
2361#endif
2362 case 'g':
2363 get_geom = 1;
2364 break;
2365 case 'f':
2366 do_flush = 1;
2367 break;
2368 case 'q':
2369 quiet = 1;
2370 noisy = 0;
2371 break;
2372 case 'u':
2373 get_unmask = noisy;
2374 noisy = 1;
2375 if (!*p && argc && isdigit(**argv))
2376 p = *argv++, --argc;
2377 if (*p == '0' || *p == '1') {
2378 set_unmask = 1;
2379 unmask = *p++ - '0';
2380 }
2381 break;
2382 case 'd':
2383 get_dma = noisy;
2384 noisy = 1;
2385 if (!*p && argc && isdigit(**argv))
2386 p = *argv++, --argc;
2387 if (*p >= '0' && *p <= '9') {
2388 set_dma = 1;
2389 dma = *p++ - '0';
2390 }
2391 break;
2392 case 'n':
2393 get_nowerr = noisy;
2394 noisy = 1;
2395 if (!*p && argc && isdigit(**argv))
2396 p = *argv++, --argc;
2397 if (*p == '0' || *p == '1') {
2398 set_nowerr = 1;
2399 nowerr = *p++ - '0';
2400 }
2401 break;
2402 case 'p':
2403 noisy_piomode = noisy;
2404 noisy = 1;
2405 GET_STRING(set_piomode,piomode);
2406 break;
2407 case 'r':
2408 get_readonly = noisy;
2409 noisy = 1;
2410 if (!*p && argc && isdigit(**argv))
2411 p = *argv++, --argc;
2412 if (*p == '0' || *p == '1') {
2413 set_readonly = 1;
2414 readonly = *p++ - '0';
2415 }
2416 break;
2417 case 'm':
2418 get_mult = noisy;
2419 noisy = 1;
2420 GET_NUMBER(set_mult,mult);
2421 break;
2422 case 'c':
2423 get_io32bit = noisy;
2424 noisy = 1;
2425 GET_NUMBER(set_io32bit,io32bit);
2426 break;
2427#ifdef HDIO_DRIVE_CMD
2428 case 'S':
2429 get_standby = noisy;
2430 noisy = 1;
2431 GET_NUMBER(set_standby,standby_requested);
2432 if (!set_standby)
2433 bb_error_msg("-S: missing value");
2434 break;
2435
2436 case 'D':
2437 get_defects = noisy;
2438 noisy = 1;
2439 GET_NUMBER(set_defects,defects);
2440 if (!set_defects)
2441 bb_error_msg("-D: missing value");
2442 break;
2443 case 'P':
2444 get_prefetch = noisy;
2445 noisy = 1;
2446 GET_NUMBER(set_prefetch,prefetch);
2447 if (!set_prefetch)
2448 bb_error_msg("-P: missing value");
2449 break;
2450
2451 case 'X':
2452 get_xfermode = noisy;
2453 noisy = 1;
2454 GET_STRING(set_xfermode,xfermode_requested);
2455 if (!set_xfermode)
2456 bb_error_msg("-X: missing value");
2457 break;
2458
2459 case 'K':
2460 get_dkeep = noisy;
2461 noisy = 1;
2462 if (!*p && argc && isdigit(**argv))
2463 p = *argv++, --argc;
2464 if (*p == '0' || *p == '1') {
2465 set_dkeep = 1;
2466 dkeep = *p++ - '0';
2467 } else
2468 bb_error_msg("-K: missing value (0/1)");
2469 break;
2470
2471 case 'A':
2472 get_lookahead = noisy;
2473 noisy = 1;
2474 if (!*p && argc && isdigit(**argv))
2475 p = *argv++, --argc;
2476 if (*p == '0' || *p == '1') {
2477 set_lookahead = 1;
2478 lookahead = *p++ - '0';
2479 } else
2480 bb_error_msg("-A: missing value (0/1)");
2481 break;
2482
2483 case 'L':
2484 get_doorlock = noisy;
2485 noisy = 1;
2486 if (!*p && argc && isdigit(**argv))
2487 p = *argv++, --argc;
2488 if (*p == '0' || *p == '1') {
2489 set_doorlock = 1;
2490 doorlock = *p++ - '0';
2491 } else
2492 bb_error_msg("-L: missing value (0/1)");
2493 break;
2494
2495 case 'W':
2496 get_wcache = noisy;
2497 noisy = 1;
2498 if (!*p && argc && isdigit(**argv))
2499 p = *argv++, --argc;
2500 if (*p == '0' || *p == '1') {
2501 set_wcache = 1;
2502 wcache = *p++ - '0';
2503 } else
2504 bb_error_msg("-W: missing value (0/1)");
2505 break;
2506
2507 case 'C':
2508 get_powermode = noisy;
2509 noisy = 1;
2510 break;
2511
2512 case 'y':
2513 get_standbynow = noisy;
2514 noisy = 1;
2515 set_standbynow = 1;
2516 break;
2517
2518 case 'Y':
2519 get_sleepnow = noisy;
2520 noisy = 1;
2521 set_sleepnow = 1;
2522 break;
2523
2524 case 'z':
2525 reread_partn = 1;
2526 break;
2527
2528 case 'Z':
2529 get_seagate = noisy;
2530 noisy = 1;
2531 set_seagate = 1;
2532 break;
2533#endif /* HDIO_DRIVE_CMD */
2534 case 'k':
2535 get_keep = noisy;
2536 noisy = 1;
2537 if (!*p && argc && isdigit(**argv))
2538 p = *argv++, --argc;
2539 if (*p == '0' || *p == '1') {
2540 set_keep = 1;
2541 keep = *p++ - '0';
2542 }
2543 break;
2544#ifdef CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF
2545 case 'U':
2546 if (!*p && argc && isdigit(**argv))
2547 p = *argv++, --argc;
2548
2549 if(! p) {
2550 bb_error_msg_and_die("expected hwif_nr");
2551 }
2552
2553 sscanf(p++, "%i", &hwif);
2554
2555 unregister_hwif = 1;
2556 break;
2557#endif /* CONFIG_FEATURE_HDPARM_HDIO_UNREGISTER_HWIF */
2558#ifdef CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF
2559 case 'R':
2560 if (!*p && argc && isdigit(**argv))
2561 p = *argv++, --argc;
2562
2563 if(! p) {
2564 bb_error_msg_and_die("expected hwif_data");
2565 }
2566
2567 sscanf(p++, "%i", &hwif_data);
2568
2569 if (argc && isdigit(**argv))
2570 p = *argv++, --argc;
2571 else {
2572 bb_error_msg_and_die("expected hwif_ctrl");
2573 }
2574
2575 sscanf(p, "%i", &hwif_ctrl);
2576
2577 if (argc && isdigit(**argv))
2578 p = *argv++, --argc;
2579 else {
2580 bb_error_msg_and_die("expected hwif_irq");
2581 }
2582
2583 sscanf(p, "%i", &hwif_irq);
2584
2585 *p = '\0';
2586
2587 scan_hwif = 1;
2588 break;
2589#endif /* CONFIG_FEATURE_HDPARM_HDIO_SCAN_HWIF */
2590 case 'Q':
2591 get_dma_q = noisy;
2592 noisy = 1;
2593 neg = 0;
2594 GET_NUMBER(set_dma_q, dma_q);
2595 if (neg)
2596 dma_q = -dma_q;
2597 break;
2598#ifdef CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET
2599 case 'w':
2600 perform_reset = 1;
2601 break;
2602#endif /* CONFIG_FEATURE_HDPARM_HDIO_DRIVE_RESET */
2603#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2604 case 'x':
2605 if (!*p && argc && isdigit(**argv))
2606 p = *argv++, --argc;
2607 if (*p == '0' || *p == '1') {
2608 perform_tristate = 1;
2609 tristate = *p++ - '0';
2610 } else
2611 bb_error_msg("-x: missing value (0/1)");
2612 break;
2613
2614#endif /* CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF */
2615 case 'a':
2616 get_readahead = noisy;
2617 noisy = 1;
2618 GET_NUMBER(set_readahead,readahead);
2619 break;
2620 case 'B':
2621 get_apmmode = noisy;
2622 noisy = 1;
2623 GET_NUMBER(set_apmmode,apmmode);
2624 if (!set_apmmode)
2625 printf("-B: missing value (1-255)");
2626 break;
2627 case 't':
2628 do_timings = 1;
2629 do_flush = 1;
2630 break;
2631 case 'T':
2632 do_ctimings = 1;
2633 do_flush = 1;
2634 break;
2635#ifdef CONFIG_FEATURE_HDPARM_HDIO_TRISTATE_HWIF
2636 case 'b':
2637 get_busstate = noisy;
2638 noisy = 1;
2639 if (!*p && argc && isdigit(**argv))
2640 p = *argv++, --argc;
2641 switch (*p) {
2642 case '0':
2643 case '1':
2644 case '2':
2645 set_busstate = 1;
2646 busstate = *p++ - '0';
2647 break;
2648 default:
2649 break;
2650 }
2651 break;
2652#endif
2653 case 'h':
2654 default:
2655 bb_show_usage();
2656 }
2657 }
2658 if (!argc)
2659 bb_show_usage();
2660 } else {
2661 process_dev (p);
2662 }
2663 }
2664 return 0 ;
2665}
generated by cgit v1.2.3-55-g6feb (git 2.39.1) at 2026-02-05 14:19:49 +0000