diff options
Diffstat (limited to 'drivers/ide/ide-tape.c')
-rw-r--r-- | drivers/ide/ide-tape.c | 344 |
1 files changed, 122 insertions, 222 deletions
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 401731302c5c..64d46fef2602 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c | |||
@@ -45,6 +45,32 @@ | |||
45 | #include <asm/unaligned.h> | 45 | #include <asm/unaligned.h> |
46 | #include <linux/mtio.h> | 46 | #include <linux/mtio.h> |
47 | 47 | ||
48 | enum { | ||
49 | /* output errors only */ | ||
50 | DBG_ERR = (1 << 0), | ||
51 | /* output all sense key/asc */ | ||
52 | DBG_SENSE = (1 << 1), | ||
53 | /* info regarding all chrdev-related procedures */ | ||
54 | DBG_CHRDEV = (1 << 2), | ||
55 | /* all remaining procedures */ | ||
56 | DBG_PROCS = (1 << 3), | ||
57 | /* buffer alloc info (pc_stack & rq_stack) */ | ||
58 | DBG_PCRQ_STACK = (1 << 4), | ||
59 | }; | ||
60 | |||
61 | /* define to see debug info */ | ||
62 | #define IDETAPE_DEBUG_LOG 0 | ||
63 | |||
64 | #if IDETAPE_DEBUG_LOG | ||
65 | #define debug_log(lvl, fmt, args...) \ | ||
66 | { \ | ||
67 | if (tape->debug_mask & lvl) \ | ||
68 | printk(KERN_INFO "ide-tape: " fmt, ## args); \ | ||
69 | } | ||
70 | #else | ||
71 | #define debug_log(lvl, fmt, args...) do {} while (0) | ||
72 | #endif | ||
73 | |||
48 | /**************************** Tunable parameters *****************************/ | 74 | /**************************** Tunable parameters *****************************/ |
49 | 75 | ||
50 | 76 | ||
@@ -68,23 +94,6 @@ | |||
68 | #define IDETAPE_INCREASE_STAGES_RATE 20 | 94 | #define IDETAPE_INCREASE_STAGES_RATE 20 |
69 | 95 | ||
70 | /* | 96 | /* |
71 | * The following are used to debug the driver: | ||
72 | * | ||
73 | * Setting IDETAPE_DEBUG_LOG to 1 will log driver flow control. | ||
74 | * | ||
75 | * Setting them to 0 will restore normal operation mode: | ||
76 | * | ||
77 | * 1. Disable logging normal successful operations. | ||
78 | * 2. Disable self-sanity checks. | ||
79 | * 3. Errors will still be logged, of course. | ||
80 | * | ||
81 | * All the #if DEBUG code will be removed some day, when the driver | ||
82 | * is verified to be stable enough. This will make it much more | ||
83 | * esthetic. | ||
84 | */ | ||
85 | #define IDETAPE_DEBUG_LOG 0 | ||
86 | |||
87 | /* | ||
88 | * After each failed packet command we issue a request sense command | 97 | * After each failed packet command we issue a request sense command |
89 | * and retry the packet command IDETAPE_MAX_PC_RETRIES times. | 98 | * and retry the packet command IDETAPE_MAX_PC_RETRIES times. |
90 | * | 99 | * |
@@ -451,18 +460,7 @@ typedef struct ide_tape_obj { | |||
451 | unsigned long uncontrolled_previous_head_time; | 460 | unsigned long uncontrolled_previous_head_time; |
452 | int restart_speed_control_req; | 461 | int restart_speed_control_req; |
453 | 462 | ||
454 | /* | 463 | u32 debug_mask; |
455 | * Debug_level determines amount of debugging output; | ||
456 | * can be changed using /proc/ide/hdx/settings | ||
457 | * 0 : almost no debugging output | ||
458 | * 1 : 0+output errors only | ||
459 | * 2 : 1+output all sensekey/asc | ||
460 | * 3 : 2+follow all chrdev related procedures | ||
461 | * 4 : 3+follow all procedures | ||
462 | * 5 : 4+include pc_stack rq_stack info | ||
463 | * 6 : 5+USE_COUNT updates | ||
464 | */ | ||
465 | int debug_level; | ||
466 | } idetape_tape_t; | 464 | } idetape_tape_t; |
467 | 465 | ||
468 | static DEFINE_MUTEX(idetape_ref_mutex); | 466 | static DEFINE_MUTEX(idetape_ref_mutex); |
@@ -716,11 +714,8 @@ static idetape_pc_t *idetape_next_pc_storage (ide_drive_t *drive) | |||
716 | { | 714 | { |
717 | idetape_tape_t *tape = drive->driver_data; | 715 | idetape_tape_t *tape = drive->driver_data; |
718 | 716 | ||
719 | #if IDETAPE_DEBUG_LOG | 717 | debug_log(DBG_PCRQ_STACK, "pc_stack_index=%d\n", tape->pc_stack_index); |
720 | if (tape->debug_level >= 5) | 718 | |
721 | printk(KERN_INFO "ide-tape: pc_stack_index=%d\n", | ||
722 | tape->pc_stack_index); | ||
723 | #endif /* IDETAPE_DEBUG_LOG */ | ||
724 | if (tape->pc_stack_index == IDETAPE_PC_STACK) | 719 | if (tape->pc_stack_index == IDETAPE_PC_STACK) |
725 | tape->pc_stack_index=0; | 720 | tape->pc_stack_index=0; |
726 | return (&tape->pc_stack[tape->pc_stack_index++]); | 721 | return (&tape->pc_stack[tape->pc_stack_index++]); |
@@ -743,11 +738,8 @@ static struct request *idetape_next_rq_storage (ide_drive_t *drive) | |||
743 | { | 738 | { |
744 | idetape_tape_t *tape = drive->driver_data; | 739 | idetape_tape_t *tape = drive->driver_data; |
745 | 740 | ||
746 | #if IDETAPE_DEBUG_LOG | 741 | debug_log(DBG_PCRQ_STACK, "rq_stack_index=%d\n", tape->rq_stack_index); |
747 | if (tape->debug_level >= 5) | 742 | |
748 | printk(KERN_INFO "ide-tape: rq_stack_index=%d\n", | ||
749 | tape->rq_stack_index); | ||
750 | #endif /* IDETAPE_DEBUG_LOG */ | ||
751 | if (tape->rq_stack_index == IDETAPE_PC_STACK) | 743 | if (tape->rq_stack_index == IDETAPE_PC_STACK) |
752 | tape->rq_stack_index=0; | 744 | tape->rq_stack_index=0; |
753 | return (&tape->rq_stack[tape->rq_stack_index++]); | 745 | return (&tape->rq_stack[tape->rq_stack_index++]); |
@@ -780,17 +772,9 @@ static void idetape_analyze_error(ide_drive_t *drive, u8 *sense) | |||
780 | tape->sense_key = sense[2] & 0xF; | 772 | tape->sense_key = sense[2] & 0xF; |
781 | tape->asc = sense[12]; | 773 | tape->asc = sense[12]; |
782 | tape->ascq = sense[13]; | 774 | tape->ascq = sense[13]; |
783 | #if IDETAPE_DEBUG_LOG | 775 | |
784 | /* | 776 | debug_log(DBG_ERR, "pc = %x, sense key = %x, asc = %x, ascq = %x\n", |
785 | * Without debugging, we only log an error if we decided to give up | 777 | pc->c[0], tape->sense_key, tape->asc, tape->ascq); |
786 | * retrying. | ||
787 | */ | ||
788 | if (tape->debug_level >= 1) | ||
789 | printk(KERN_INFO "ide-tape: pc = %x, sense key = %x, " | ||
790 | "asc = %x, ascq = %x\n", | ||
791 | pc->c[0], tape->sense_key, | ||
792 | tape->asc, tape->ascq); | ||
793 | #endif /* IDETAPE_DEBUG_LOG */ | ||
794 | 778 | ||
795 | /* Correct pc->actually_transferred by asking the tape. */ | 779 | /* Correct pc->actually_transferred by asking the tape. */ |
796 | if (test_bit(PC_DMA_ERROR, &pc->flags)) { | 780 | if (test_bit(PC_DMA_ERROR, &pc->flags)) { |
@@ -843,12 +827,11 @@ static void idetape_activate_next_stage(ide_drive_t *drive) | |||
843 | idetape_stage_t *stage = tape->next_stage; | 827 | idetape_stage_t *stage = tape->next_stage; |
844 | struct request *rq = &stage->rq; | 828 | struct request *rq = &stage->rq; |
845 | 829 | ||
846 | #if IDETAPE_DEBUG_LOG | 830 | debug_log(DBG_PROCS, "Enter %s\n", __func__); |
847 | if (tape->debug_level >= 4) | 831 | |
848 | printk(KERN_INFO "ide-tape: Reached idetape_active_next_stage\n"); | ||
849 | #endif /* IDETAPE_DEBUG_LOG */ | ||
850 | if (stage == NULL) { | 832 | if (stage == NULL) { |
851 | printk(KERN_ERR "ide-tape: bug: Trying to activate a non existing stage\n"); | 833 | printk(KERN_ERR "ide-tape: bug: Trying to activate a non" |
834 | " existing stage\n"); | ||
852 | return; | 835 | return; |
853 | } | 836 | } |
854 | 837 | ||
@@ -871,11 +854,8 @@ static void idetape_increase_max_pipeline_stages (ide_drive_t *drive) | |||
871 | { | 854 | { |
872 | idetape_tape_t *tape = drive->driver_data; | 855 | idetape_tape_t *tape = drive->driver_data; |
873 | int increase = (tape->max_pipeline - tape->min_pipeline) / 10; | 856 | int increase = (tape->max_pipeline - tape->min_pipeline) / 10; |
874 | 857 | ||
875 | #if IDETAPE_DEBUG_LOG | 858 | debug_log(DBG_PROCS, "Enter %s\n", __func__); |
876 | if (tape->debug_level >= 4) | ||
877 | printk (KERN_INFO "ide-tape: Reached idetape_increase_max_pipeline_stages\n"); | ||
878 | #endif /* IDETAPE_DEBUG_LOG */ | ||
879 | 859 | ||
880 | tape->max_stages += max(increase, 1); | 860 | tape->max_stages += max(increase, 1); |
881 | tape->max_stages = max(tape->max_stages, tape->min_pipeline); | 861 | tape->max_stages = max(tape->max_stages, tape->min_pipeline); |
@@ -920,17 +900,16 @@ static void idetape_remove_stage_head (ide_drive_t *drive) | |||
920 | { | 900 | { |
921 | idetape_tape_t *tape = drive->driver_data; | 901 | idetape_tape_t *tape = drive->driver_data; |
922 | idetape_stage_t *stage; | 902 | idetape_stage_t *stage; |
923 | 903 | ||
924 | #if IDETAPE_DEBUG_LOG | 904 | debug_log(DBG_PROCS, "Enter %s\n", __func__); |
925 | if (tape->debug_level >= 4) | 905 | |
926 | printk(KERN_INFO "ide-tape: Reached idetape_remove_stage_head\n"); | ||
927 | #endif /* IDETAPE_DEBUG_LOG */ | ||
928 | if (tape->first_stage == NULL) { | 906 | if (tape->first_stage == NULL) { |
929 | printk(KERN_ERR "ide-tape: bug: tape->first_stage is NULL\n"); | 907 | printk(KERN_ERR "ide-tape: bug: tape->first_stage is NULL\n"); |
930 | return; | 908 | return; |
931 | } | 909 | } |
932 | if (tape->active_stage == tape->first_stage) { | 910 | if (tape->active_stage == tape->first_stage) { |
933 | printk(KERN_ERR "ide-tape: bug: Trying to free our active pipeline stage\n"); | 911 | printk(KERN_ERR "ide-tape: bug: Trying to free our active " |
912 | "pipeline stage\n"); | ||
934 | return; | 913 | return; |
935 | } | 914 | } |
936 | stage = tape->first_stage; | 915 | stage = tape->first_stage; |
@@ -957,10 +936,8 @@ static void idetape_abort_pipeline(ide_drive_t *drive, | |||
957 | idetape_stage_t *stage = new_last_stage->next; | 936 | idetape_stage_t *stage = new_last_stage->next; |
958 | idetape_stage_t *nstage; | 937 | idetape_stage_t *nstage; |
959 | 938 | ||
960 | #if IDETAPE_DEBUG_LOG | 939 | debug_log(DBG_PROCS, "%s: Enter %s\n", tape->name, __func__); |
961 | if (tape->debug_level >= 4) | 940 | |
962 | printk(KERN_INFO "ide-tape: %s: idetape_abort_pipeline called\n", tape->name); | ||
963 | #endif | ||
964 | while (stage) { | 941 | while (stage) { |
965 | nstage = stage->next; | 942 | nstage = stage->next; |
966 | idetape_kfree_stage(tape, stage); | 943 | idetape_kfree_stage(tape, stage); |
@@ -987,10 +964,7 @@ static int idetape_end_request(ide_drive_t *drive, int uptodate, int nr_sects) | |||
987 | int remove_stage = 0; | 964 | int remove_stage = 0; |
988 | idetape_stage_t *active_stage; | 965 | idetape_stage_t *active_stage; |
989 | 966 | ||
990 | #if IDETAPE_DEBUG_LOG | 967 | debug_log(DBG_PROCS, "Enter %s\n", __func__); |
991 | if (tape->debug_level >= 4) | ||
992 | printk(KERN_INFO "ide-tape: Reached idetape_end_request\n"); | ||
993 | #endif /* IDETAPE_DEBUG_LOG */ | ||
994 | 968 | ||
995 | switch (uptodate) { | 969 | switch (uptodate) { |
996 | case 0: error = IDETAPE_ERROR_GENERAL; break; | 970 | case 0: error = IDETAPE_ERROR_GENERAL; break; |
@@ -1055,10 +1029,8 @@ static ide_startstop_t idetape_request_sense_callback (ide_drive_t *drive) | |||
1055 | { | 1029 | { |
1056 | idetape_tape_t *tape = drive->driver_data; | 1030 | idetape_tape_t *tape = drive->driver_data; |
1057 | 1031 | ||
1058 | #if IDETAPE_DEBUG_LOG | 1032 | debug_log(DBG_PROCS, "Enter %s\n", __func__); |
1059 | if (tape->debug_level >= 4) | 1033 | |
1060 | printk(KERN_INFO "ide-tape: Reached idetape_request_sense_callback\n"); | ||
1061 | #endif /* IDETAPE_DEBUG_LOG */ | ||
1062 | if (!tape->pc->error) { | 1034 | if (!tape->pc->error) { |
1063 | idetape_analyze_error(drive, tape->pc->buffer); | 1035 | idetape_analyze_error(drive, tape->pc->buffer); |
1064 | idetape_end_request(drive, 1, 0); | 1036 | idetape_end_request(drive, 1, 0); |
@@ -1143,10 +1115,8 @@ static void idetape_postpone_request (ide_drive_t *drive) | |||
1143 | { | 1115 | { |
1144 | idetape_tape_t *tape = drive->driver_data; | 1116 | idetape_tape_t *tape = drive->driver_data; |
1145 | 1117 | ||
1146 | #if IDETAPE_DEBUG_LOG | 1118 | debug_log(DBG_PROCS, "Enter %s\n", __func__); |
1147 | if (tape->debug_level >= 4) | 1119 | |
1148 | printk(KERN_INFO "ide-tape: idetape_postpone_request\n"); | ||
1149 | #endif | ||
1150 | tape->postponed_rq = HWGROUP(drive)->rq; | 1120 | tape->postponed_rq = HWGROUP(drive)->rq; |
1151 | ide_stall_queue(drive, tape->dsc_polling_frequency); | 1121 | ide_stall_queue(drive, tape->dsc_polling_frequency); |
1152 | } | 1122 | } |
@@ -1171,11 +1141,7 @@ static ide_startstop_t idetape_pc_intr (ide_drive_t *drive) | |||
1171 | u16 bcount; | 1141 | u16 bcount; |
1172 | u8 stat, ireason; | 1142 | u8 stat, ireason; |
1173 | 1143 | ||
1174 | #if IDETAPE_DEBUG_LOG | 1144 | debug_log(DBG_PROCS, "Enter %s - interrupt handler\n", __func__); |
1175 | if (tape->debug_level >= 4) | ||
1176 | printk(KERN_INFO "ide-tape: Reached idetape_pc_intr " | ||
1177 | "interrupt handler\n"); | ||
1178 | #endif /* IDETAPE_DEBUG_LOG */ | ||
1179 | 1145 | ||
1180 | /* Clear the interrupt */ | 1146 | /* Clear the interrupt */ |
1181 | stat = ide_read_status(drive); | 1147 | stat = ide_read_status(drive); |
@@ -1208,20 +1174,16 @@ static ide_startstop_t idetape_pc_intr (ide_drive_t *drive) | |||
1208 | pc->actually_transferred = pc->request_transfer; | 1174 | pc->actually_transferred = pc->request_transfer; |
1209 | idetape_update_buffers(pc); | 1175 | idetape_update_buffers(pc); |
1210 | } | 1176 | } |
1211 | #if IDETAPE_DEBUG_LOG | 1177 | debug_log(DBG_PROCS, "DMA finished\n"); |
1212 | if (tape->debug_level >= 4) | 1178 | |
1213 | printk(KERN_INFO "ide-tape: DMA finished\n"); | ||
1214 | #endif /* IDETAPE_DEBUG_LOG */ | ||
1215 | } | 1179 | } |
1216 | 1180 | ||
1217 | /* No more interrupts */ | 1181 | /* No more interrupts */ |
1218 | if ((stat & DRQ_STAT) == 0) { | 1182 | if ((stat & DRQ_STAT) == 0) { |
1219 | #if IDETAPE_DEBUG_LOG | 1183 | debug_log(DBG_SENSE, "Packet command completed, %d bytes" |
1220 | if (tape->debug_level >= 2) | 1184 | " transferred\n", pc->actually_transferred); |
1221 | printk(KERN_INFO "ide-tape: Packet command completed, %d bytes transferred\n", pc->actually_transferred); | ||
1222 | #endif /* IDETAPE_DEBUG_LOG */ | ||
1223 | clear_bit(PC_DMA_IN_PROGRESS, &pc->flags); | ||
1224 | 1185 | ||
1186 | clear_bit(PC_DMA_IN_PROGRESS, &pc->flags); | ||
1225 | local_irq_enable(); | 1187 | local_irq_enable(); |
1226 | 1188 | ||
1227 | #if SIMULATE_ERRORS | 1189 | #if SIMULATE_ERRORS |
@@ -1236,19 +1198,15 @@ static ide_startstop_t idetape_pc_intr (ide_drive_t *drive) | |||
1236 | stat &= ~ERR_STAT; | 1198 | stat &= ~ERR_STAT; |
1237 | if ((stat & ERR_STAT) || test_bit(PC_DMA_ERROR, &pc->flags)) { | 1199 | if ((stat & ERR_STAT) || test_bit(PC_DMA_ERROR, &pc->flags)) { |
1238 | /* Error detected */ | 1200 | /* Error detected */ |
1239 | #if IDETAPE_DEBUG_LOG | 1201 | debug_log(DBG_ERR, "%s: I/O error\n", tape->name); |
1240 | if (tape->debug_level >= 1) | 1202 | |
1241 | printk(KERN_INFO "ide-tape: %s: I/O error\n", | ||
1242 | tape->name); | ||
1243 | #endif /* IDETAPE_DEBUG_LOG */ | ||
1244 | if (pc->c[0] == REQUEST_SENSE) { | 1203 | if (pc->c[0] == REQUEST_SENSE) { |
1245 | printk(KERN_ERR "ide-tape: I/O error in request sense command\n"); | 1204 | printk(KERN_ERR "ide-tape: I/O error in request sense command\n"); |
1246 | return ide_do_reset(drive); | 1205 | return ide_do_reset(drive); |
1247 | } | 1206 | } |
1248 | #if IDETAPE_DEBUG_LOG | 1207 | debug_log(DBG_ERR, "[cmd %x]: check condition\n", |
1249 | if (tape->debug_level >= 1) | 1208 | pc->c[0]); |
1250 | printk(KERN_INFO "ide-tape: [cmd %x]: check condition\n", pc->c[0]); | 1209 | |
1251 | #endif | ||
1252 | /* Retry operation */ | 1210 | /* Retry operation */ |
1253 | return idetape_retry_pc(drive); | 1211 | return idetape_retry_pc(drive); |
1254 | } | 1212 | } |
@@ -1303,10 +1261,9 @@ static ide_startstop_t idetape_pc_intr (ide_drive_t *drive) | |||
1303 | ide_set_handler(drive, &idetape_pc_intr, IDETAPE_WAIT_CMD, NULL); | 1261 | ide_set_handler(drive, &idetape_pc_intr, IDETAPE_WAIT_CMD, NULL); |
1304 | return ide_started; | 1262 | return ide_started; |
1305 | } | 1263 | } |
1306 | #if IDETAPE_DEBUG_LOG | 1264 | debug_log(DBG_SENSE, "The tape wants to send us more " |
1307 | if (tape->debug_level >= 2) | 1265 | "data than expected - allowing transfer\n"); |
1308 | printk(KERN_NOTICE "ide-tape: The tape wants to send us more data than expected - allowing transfer\n"); | 1266 | |
1309 | #endif /* IDETAPE_DEBUG_LOG */ | ||
1310 | } | 1267 | } |
1311 | } | 1268 | } |
1312 | if (test_bit(PC_WRITING, &pc->flags)) { | 1269 | if (test_bit(PC_WRITING, &pc->flags)) { |
@@ -1327,11 +1284,10 @@ static ide_startstop_t idetape_pc_intr (ide_drive_t *drive) | |||
1327 | /* Update the current position */ | 1284 | /* Update the current position */ |
1328 | pc->actually_transferred += bcount; | 1285 | pc->actually_transferred += bcount; |
1329 | pc->current_position += bcount; | 1286 | pc->current_position += bcount; |
1330 | #if IDETAPE_DEBUG_LOG | 1287 | |
1331 | if (tape->debug_level >= 2) | 1288 | debug_log(DBG_SENSE, "[cmd %x] transferred %d bytes on that intr.\n", |
1332 | printk(KERN_INFO "ide-tape: [cmd %x] transferred %d bytes " | 1289 | pc->c[0], bcount); |
1333 | "on that interrupt\n", pc->c[0], bcount); | 1290 | |
1334 | #endif | ||
1335 | /* And set the interrupt handler again */ | 1291 | /* And set the interrupt handler again */ |
1336 | ide_set_handler(drive, &idetape_pc_intr, IDETAPE_WAIT_CMD, NULL); | 1292 | ide_set_handler(drive, &idetape_pc_intr, IDETAPE_WAIT_CMD, NULL); |
1337 | return ide_started; | 1293 | return ide_started; |
@@ -1464,10 +1420,7 @@ static ide_startstop_t idetape_issue_packet_command (ide_drive_t *drive, idetape | |||
1464 | tape->failed_pc = NULL; | 1420 | tape->failed_pc = NULL; |
1465 | return pc->callback(drive); | 1421 | return pc->callback(drive); |
1466 | } | 1422 | } |
1467 | #if IDETAPE_DEBUG_LOG | 1423 | debug_log(DBG_SENSE, "Retry #%d, cmd = %02X\n", pc->retries, pc->c[0]); |
1468 | if (tape->debug_level >= 2) | ||
1469 | printk(KERN_INFO "ide-tape: Retry number - %d, cmd = %02X\n", pc->retries, pc->c[0]); | ||
1470 | #endif /* IDETAPE_DEBUG_LOG */ | ||
1471 | 1424 | ||
1472 | pc->retries++; | 1425 | pc->retries++; |
1473 | /* We haven't transferred any data yet */ | 1426 | /* We haven't transferred any data yet */ |
@@ -1505,11 +1458,8 @@ static ide_startstop_t idetape_issue_packet_command (ide_drive_t *drive, idetape | |||
1505 | static ide_startstop_t idetape_pc_callback (ide_drive_t *drive) | 1458 | static ide_startstop_t idetape_pc_callback (ide_drive_t *drive) |
1506 | { | 1459 | { |
1507 | idetape_tape_t *tape = drive->driver_data; | 1460 | idetape_tape_t *tape = drive->driver_data; |
1508 | 1461 | ||
1509 | #if IDETAPE_DEBUG_LOG | 1462 | debug_log(DBG_PROCS, "Enter %s\n", __func__); |
1510 | if (tape->debug_level >= 4) | ||
1511 | printk(KERN_INFO "ide-tape: Reached idetape_pc_callback\n"); | ||
1512 | #endif /* IDETAPE_DEBUG_LOG */ | ||
1513 | 1463 | ||
1514 | idetape_end_request(drive, tape->pc->error ? 0 : 1, 0); | 1464 | idetape_end_request(drive, tape->pc->error ? 0 : 1, 0); |
1515 | return ide_stopped; | 1465 | return ide_stopped; |
@@ -1641,11 +1591,7 @@ static ide_startstop_t idetape_rw_callback (ide_drive_t *drive) | |||
1641 | tape->avg_size = 0; | 1591 | tape->avg_size = 0; |
1642 | tape->avg_time = jiffies; | 1592 | tape->avg_time = jiffies; |
1643 | } | 1593 | } |
1644 | 1594 | debug_log(DBG_PROCS, "Enter %s\n", __func__); | |
1645 | #if IDETAPE_DEBUG_LOG | ||
1646 | if (tape->debug_level >= 4) | ||
1647 | printk(KERN_INFO "ide-tape: Reached idetape_rw_callback\n"); | ||
1648 | #endif /* IDETAPE_DEBUG_LOG */ | ||
1649 | 1595 | ||
1650 | tape->first_frame_position += blocks; | 1596 | tape->first_frame_position += blocks; |
1651 | rq->current_nr_sectors -= blocks; | 1597 | rq->current_nr_sectors -= blocks; |
@@ -1721,12 +1667,9 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, | |||
1721 | struct request *postponed_rq = tape->postponed_rq; | 1667 | struct request *postponed_rq = tape->postponed_rq; |
1722 | u8 stat; | 1668 | u8 stat; |
1723 | 1669 | ||
1724 | #if IDETAPE_DEBUG_LOG | 1670 | debug_log(DBG_SENSE, "sector: %ld, nr_sectors: %ld," |
1725 | if (tape->debug_level >= 2) | 1671 | " current_nr_sectors: %d\n", |
1726 | printk(KERN_INFO "ide-tape: sector: %ld, " | ||
1727 | "nr_sectors: %ld, current_nr_sectors: %d\n", | ||
1728 | rq->sector, rq->nr_sectors, rq->current_nr_sectors); | 1672 | rq->sector, rq->nr_sectors, rq->current_nr_sectors); |
1729 | #endif /* IDETAPE_DEBUG_LOG */ | ||
1730 | 1673 | ||
1731 | if (!blk_special_request(rq)) { | 1674 | if (!blk_special_request(rq)) { |
1732 | /* | 1675 | /* |
@@ -1917,10 +1860,7 @@ static idetape_stage_t *idetape_kmalloc_stage (idetape_tape_t *tape) | |||
1917 | { | 1860 | { |
1918 | idetape_stage_t *cache_stage = tape->cache_stage; | 1861 | idetape_stage_t *cache_stage = tape->cache_stage; |
1919 | 1862 | ||
1920 | #if IDETAPE_DEBUG_LOG | 1863 | debug_log(DBG_PROCS, "Enter %s\n", __func__); |
1921 | if (tape->debug_level >= 4) | ||
1922 | printk(KERN_INFO "ide-tape: Reached idetape_kmalloc_stage\n"); | ||
1923 | #endif /* IDETAPE_DEBUG_LOG */ | ||
1924 | 1864 | ||
1925 | if (tape->nr_stages >= tape->max_stages) | 1865 | if (tape->nr_stages >= tape->max_stages) |
1926 | return NULL; | 1866 | return NULL; |
@@ -2019,11 +1959,9 @@ static void idetape_add_stage_tail (ide_drive_t *drive,idetape_stage_t *stage) | |||
2019 | { | 1959 | { |
2020 | idetape_tape_t *tape = drive->driver_data; | 1960 | idetape_tape_t *tape = drive->driver_data; |
2021 | unsigned long flags; | 1961 | unsigned long flags; |
2022 | 1962 | ||
2023 | #if IDETAPE_DEBUG_LOG | 1963 | debug_log(DBG_PROCS, "Enter %s\n", __func__); |
2024 | if (tape->debug_level >= 4) | 1964 | |
2025 | printk (KERN_INFO "ide-tape: Reached idetape_add_stage_tail\n"); | ||
2026 | #endif /* IDETAPE_DEBUG_LOG */ | ||
2027 | spin_lock_irqsave(&tape->spinlock, flags); | 1965 | spin_lock_irqsave(&tape->spinlock, flags); |
2028 | stage->next = NULL; | 1966 | stage->next = NULL; |
2029 | if (tape->last_stage != NULL) | 1967 | if (tape->last_stage != NULL) |
@@ -2066,29 +2004,22 @@ static ide_startstop_t idetape_read_position_callback (ide_drive_t *drive) | |||
2066 | { | 2004 | { |
2067 | idetape_tape_t *tape = drive->driver_data; | 2005 | idetape_tape_t *tape = drive->driver_data; |
2068 | idetape_read_position_result_t *result; | 2006 | idetape_read_position_result_t *result; |
2069 | 2007 | ||
2070 | #if IDETAPE_DEBUG_LOG | 2008 | debug_log(DBG_PROCS, "Enter %s\n", __func__); |
2071 | if (tape->debug_level >= 4) | ||
2072 | printk(KERN_INFO "ide-tape: Reached idetape_read_position_callback\n"); | ||
2073 | #endif /* IDETAPE_DEBUG_LOG */ | ||
2074 | 2009 | ||
2075 | if (!tape->pc->error) { | 2010 | if (!tape->pc->error) { |
2076 | result = (idetape_read_position_result_t *) tape->pc->buffer; | 2011 | result = (idetape_read_position_result_t *) tape->pc->buffer; |
2077 | #if IDETAPE_DEBUG_LOG | 2012 | debug_log(DBG_SENSE, "BOP - %s\n", result->bop ? "Yes" : "No"); |
2078 | if (tape->debug_level >= 2) | 2013 | debug_log(DBG_SENSE, "EOP - %s\n", result->eop ? "Yes" : "No"); |
2079 | printk(KERN_INFO "ide-tape: BOP - %s\n",result->bop ? "Yes":"No"); | 2014 | |
2080 | if (tape->debug_level >= 2) | ||
2081 | printk(KERN_INFO "ide-tape: EOP - %s\n",result->eop ? "Yes":"No"); | ||
2082 | #endif /* IDETAPE_DEBUG_LOG */ | ||
2083 | if (result->bpu) { | 2015 | if (result->bpu) { |
2084 | printk(KERN_INFO "ide-tape: Block location is unknown to the tape\n"); | 2016 | printk(KERN_INFO "ide-tape: Block location is unknown to the tape\n"); |
2085 | clear_bit(IDETAPE_ADDRESS_VALID, &tape->flags); | 2017 | clear_bit(IDETAPE_ADDRESS_VALID, &tape->flags); |
2086 | idetape_end_request(drive, 0, 0); | 2018 | idetape_end_request(drive, 0, 0); |
2087 | } else { | 2019 | } else { |
2088 | #if IDETAPE_DEBUG_LOG | 2020 | debug_log(DBG_SENSE, "Block Location - %u\n", |
2089 | if (tape->debug_level >= 2) | 2021 | ntohl(result->first_block)); |
2090 | printk(KERN_INFO "ide-tape: Block Location - %u\n", ntohl(result->first_block)); | 2022 | |
2091 | #endif /* IDETAPE_DEBUG_LOG */ | ||
2092 | tape->partition = result->partition; | 2023 | tape->partition = result->partition; |
2093 | tape->first_frame_position = ntohl(result->first_block); | 2024 | tape->first_frame_position = ntohl(result->first_block); |
2094 | tape->last_frame_position = ntohl(result->last_block); | 2025 | tape->last_frame_position = ntohl(result->last_block); |
@@ -2228,10 +2159,7 @@ static int idetape_read_position (ide_drive_t *drive) | |||
2228 | idetape_pc_t pc; | 2159 | idetape_pc_t pc; |
2229 | int position; | 2160 | int position; |
2230 | 2161 | ||
2231 | #if IDETAPE_DEBUG_LOG | 2162 | debug_log(DBG_PROCS, "Enter %s\n", __func__); |
2232 | if (tape->debug_level >= 4) | ||
2233 | printk(KERN_INFO "ide-tape: Reached idetape_read_position\n"); | ||
2234 | #endif /* IDETAPE_DEBUG_LOG */ | ||
2235 | 2163 | ||
2236 | idetape_create_read_position_cmd(&pc); | 2164 | idetape_create_read_position_cmd(&pc); |
2237 | if (idetape_queue_pc_tail(drive, &pc)) | 2165 | if (idetape_queue_pc_tail(drive, &pc)) |
@@ -2365,12 +2293,11 @@ static int idetape_queue_rw_tail(ide_drive_t *drive, int cmd, int blocks, struct | |||
2365 | idetape_tape_t *tape = drive->driver_data; | 2293 | idetape_tape_t *tape = drive->driver_data; |
2366 | struct request rq; | 2294 | struct request rq; |
2367 | 2295 | ||
2368 | #if IDETAPE_DEBUG_LOG | 2296 | debug_log(DBG_SENSE, "%s: cmd=%d\n", __func__, cmd); |
2369 | if (tape->debug_level >= 2) | 2297 | |
2370 | printk(KERN_INFO "ide-tape: idetape_queue_rw_tail: cmd=%d\n",cmd); | ||
2371 | #endif /* IDETAPE_DEBUG_LOG */ | ||
2372 | if (idetape_pipeline_active(tape)) { | 2298 | if (idetape_pipeline_active(tape)) { |
2373 | printk(KERN_ERR "ide-tape: bug: the pipeline is active in idetape_queue_rw_tail\n"); | 2299 | printk(KERN_ERR "ide-tape: bug: the pipeline is active in %s\n", |
2300 | __func__); | ||
2374 | return (0); | 2301 | return (0); |
2375 | } | 2302 | } |
2376 | 2303 | ||
@@ -2474,10 +2401,7 @@ static int idetape_add_chrdev_write_request (ide_drive_t *drive, int blocks) | |||
2474 | unsigned long flags; | 2401 | unsigned long flags; |
2475 | struct request *rq; | 2402 | struct request *rq; |
2476 | 2403 | ||
2477 | #if IDETAPE_DEBUG_LOG | 2404 | debug_log(DBG_CHRDEV, "Enter %s\n", __func__); |
2478 | if (tape->debug_level >= 3) | ||
2479 | printk(KERN_INFO "ide-tape: Reached idetape_add_chrdev_write_request\n"); | ||
2480 | #endif /* IDETAPE_DEBUG_LOG */ | ||
2481 | 2405 | ||
2482 | /* | 2406 | /* |
2483 | * Attempt to allocate a new stage. | 2407 | * Attempt to allocate a new stage. |
@@ -2715,10 +2639,7 @@ static int idetape_add_chrdev_read_request (ide_drive_t *drive,int blocks) | |||
2715 | struct request *rq_ptr; | 2639 | struct request *rq_ptr; |
2716 | int bytes_read; | 2640 | int bytes_read; |
2717 | 2641 | ||
2718 | #if IDETAPE_DEBUG_LOG | 2642 | debug_log(DBG_PROCS, "Enter %s, %d blocks\n", __func__, blocks); |
2719 | if (tape->debug_level >= 4) | ||
2720 | printk(KERN_INFO "ide-tape: Reached idetape_add_chrdev_read_request, %d blocks\n", blocks); | ||
2721 | #endif /* IDETAPE_DEBUG_LOG */ | ||
2722 | 2643 | ||
2723 | /* | 2644 | /* |
2724 | * If we are at a filemark, return a read length of 0 | 2645 | * If we are at a filemark, return a read length of 0 |
@@ -2813,12 +2734,11 @@ static int idetape_rewind_tape (ide_drive_t *drive) | |||
2813 | { | 2734 | { |
2814 | int retval; | 2735 | int retval; |
2815 | idetape_pc_t pc; | 2736 | idetape_pc_t pc; |
2816 | #if IDETAPE_DEBUG_LOG | 2737 | idetape_tape_t *tape; |
2817 | idetape_tape_t *tape = drive->driver_data; | 2738 | tape = drive->driver_data; |
2818 | if (tape->debug_level >= 2) | 2739 | |
2819 | printk(KERN_INFO "ide-tape: Reached idetape_rewind_tape\n"); | 2740 | debug_log(DBG_SENSE, "Enter %s\n", __func__); |
2820 | #endif /* IDETAPE_DEBUG_LOG */ | 2741 | |
2821 | |||
2822 | idetape_create_rewind_cmd(drive, &pc); | 2742 | idetape_create_rewind_cmd(drive, &pc); |
2823 | retval = idetape_queue_pc_tail(drive, &pc); | 2743 | retval = idetape_queue_pc_tail(drive, &pc); |
2824 | if (retval) | 2744 | if (retval) |
@@ -2849,10 +2769,8 @@ static int idetape_blkdev_ioctl(ide_drive_t *drive, unsigned int cmd, unsigned l | |||
2849 | int nr_stages; | 2769 | int nr_stages; |
2850 | } config; | 2770 | } config; |
2851 | 2771 | ||
2852 | #if IDETAPE_DEBUG_LOG | 2772 | debug_log(DBG_PROCS, "Enter %s\n", __func__); |
2853 | if (tape->debug_level >= 4) | 2773 | |
2854 | printk(KERN_INFO "ide-tape: Reached idetape_blkdev_ioctl\n"); | ||
2855 | #endif /* IDETAPE_DEBUG_LOG */ | ||
2856 | switch (cmd) { | 2774 | switch (cmd) { |
2857 | case 0x0340: | 2775 | case 0x0340: |
2858 | if (copy_from_user(&config, argp, sizeof(config))) | 2776 | if (copy_from_user(&config, argp, sizeof(config))) |
@@ -2985,10 +2903,7 @@ static ssize_t idetape_chrdev_read (struct file *file, char __user *buf, | |||
2985 | ssize_t ret = 0; | 2903 | ssize_t ret = 0; |
2986 | u16 ctl = *(u16 *)&tape->caps[12]; | 2904 | u16 ctl = *(u16 *)&tape->caps[12]; |
2987 | 2905 | ||
2988 | #if IDETAPE_DEBUG_LOG | 2906 | debug_log(DBG_CHRDEV, "Enter %s, count %Zd\n", __func__, count); |
2989 | if (tape->debug_level >= 3) | ||
2990 | printk(KERN_INFO "ide-tape: Reached idetape_chrdev_read, count %Zd\n", count); | ||
2991 | #endif /* IDETAPE_DEBUG_LOG */ | ||
2992 | 2907 | ||
2993 | if (tape->chrdev_direction != idetape_direction_read) { | 2908 | if (tape->chrdev_direction != idetape_direction_read) { |
2994 | if (test_bit(IDETAPE_DETECT_BS, &tape->flags)) | 2909 | if (test_bit(IDETAPE_DETECT_BS, &tape->flags)) |
@@ -3030,10 +2945,8 @@ static ssize_t idetape_chrdev_read (struct file *file, char __user *buf, | |||
3030 | } | 2945 | } |
3031 | finish: | 2946 | finish: |
3032 | if (!actually_read && test_bit(IDETAPE_FILEMARK, &tape->flags)) { | 2947 | if (!actually_read && test_bit(IDETAPE_FILEMARK, &tape->flags)) { |
3033 | #if IDETAPE_DEBUG_LOG | 2948 | debug_log(DBG_SENSE, "%s: spacing over filemark\n", tape->name); |
3034 | if (tape->debug_level >= 2) | 2949 | |
3035 | printk(KERN_INFO "ide-tape: %s: spacing over filemark\n", tape->name); | ||
3036 | #endif | ||
3037 | idetape_space_over_filemarks(drive, MTFSF, 1); | 2950 | idetape_space_over_filemarks(drive, MTFSF, 1); |
3038 | return 0; | 2951 | return 0; |
3039 | } | 2952 | } |
@@ -3054,11 +2967,7 @@ static ssize_t idetape_chrdev_write (struct file *file, const char __user *buf, | |||
3054 | if (tape->write_prot) | 2967 | if (tape->write_prot) |
3055 | return -EACCES; | 2968 | return -EACCES; |
3056 | 2969 | ||
3057 | #if IDETAPE_DEBUG_LOG | 2970 | debug_log(DBG_CHRDEV, "Enter %s, count %Zd\n", __func__, count); |
3058 | if (tape->debug_level >= 3) | ||
3059 | printk(KERN_INFO "ide-tape: Reached idetape_chrdev_write, " | ||
3060 | "count %Zd\n", count); | ||
3061 | #endif /* IDETAPE_DEBUG_LOG */ | ||
3062 | 2971 | ||
3063 | /* Initialize write operation */ | 2972 | /* Initialize write operation */ |
3064 | if (tape->chrdev_direction != idetape_direction_write) { | 2973 | if (tape->chrdev_direction != idetape_direction_write) { |
@@ -3168,11 +3077,8 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) | |||
3168 | idetape_pc_t pc; | 3077 | idetape_pc_t pc; |
3169 | int i,retval; | 3078 | int i,retval; |
3170 | 3079 | ||
3171 | #if IDETAPE_DEBUG_LOG | 3080 | debug_log(DBG_ERR, "Handling MTIOCTOP ioctl: mt_op=%d, mt_count=%d\n", |
3172 | if (tape->debug_level >= 1) | 3081 | mt_op, mt_count); |
3173 | printk(KERN_INFO "ide-tape: Handling MTIOCTOP ioctl: " | ||
3174 | "mt_op=%d, mt_count=%d\n", mt_op, mt_count); | ||
3175 | #endif /* IDETAPE_DEBUG_LOG */ | ||
3176 | /* | 3082 | /* |
3177 | * Commands which need our pipelined read-ahead stages. | 3083 | * Commands which need our pipelined read-ahead stages. |
3178 | */ | 3084 | */ |
@@ -3292,11 +3198,7 @@ static int idetape_chrdev_ioctl(struct inode *inode, struct file *file, | |||
3292 | int block_offset = 0, position = tape->first_frame_position; | 3198 | int block_offset = 0, position = tape->first_frame_position; |
3293 | void __user *argp = (void __user *)arg; | 3199 | void __user *argp = (void __user *)arg; |
3294 | 3200 | ||
3295 | #if IDETAPE_DEBUG_LOG | 3201 | debug_log(DBG_CHRDEV, "Enter %s, cmd=%u\n", __func__, cmd); |
3296 | if (tape->debug_level >= 3) | ||
3297 | printk(KERN_INFO "ide-tape: Reached idetape_chrdev_ioctl, " | ||
3298 | "cmd=%u\n", cmd); | ||
3299 | #endif /* IDETAPE_DEBUG_LOG */ | ||
3300 | 3202 | ||
3301 | tape->restart_speed_control_req = 1; | 3203 | tape->restart_speed_control_req = 1; |
3302 | if (tape->chrdev_direction == idetape_direction_write) { | 3204 | if (tape->chrdev_direction == idetape_direction_write) { |
@@ -3372,6 +3274,15 @@ static int idetape_chrdev_open (struct inode *inode, struct file *filp) | |||
3372 | idetape_pc_t pc; | 3274 | idetape_pc_t pc; |
3373 | int retval; | 3275 | int retval; |
3374 | 3276 | ||
3277 | if (i >= MAX_HWIFS * MAX_DRIVES) | ||
3278 | return -ENXIO; | ||
3279 | |||
3280 | tape = ide_tape_chrdev_get(i); | ||
3281 | if (!tape) | ||
3282 | return -ENXIO; | ||
3283 | |||
3284 | debug_log(DBG_CHRDEV, "Enter %s\n", __func__); | ||
3285 | |||
3375 | /* | 3286 | /* |
3376 | * We really want to do nonseekable_open(inode, filp); here, but some | 3287 | * We really want to do nonseekable_open(inode, filp); here, but some |
3377 | * versions of tar incorrectly call lseek on tapes and bail out if that | 3288 | * versions of tar incorrectly call lseek on tapes and bail out if that |
@@ -3379,16 +3290,6 @@ static int idetape_chrdev_open (struct inode *inode, struct file *filp) | |||
3379 | */ | 3290 | */ |
3380 | filp->f_mode &= ~(FMODE_PREAD | FMODE_PWRITE); | 3291 | filp->f_mode &= ~(FMODE_PREAD | FMODE_PWRITE); |
3381 | 3292 | ||
3382 | #if IDETAPE_DEBUG_LOG | ||
3383 | printk(KERN_INFO "ide-tape: Reached idetape_chrdev_open\n"); | ||
3384 | #endif /* IDETAPE_DEBUG_LOG */ | ||
3385 | |||
3386 | if (i >= MAX_HWIFS * MAX_DRIVES) | ||
3387 | return -ENXIO; | ||
3388 | |||
3389 | if (!(tape = ide_tape_chrdev_get(i))) | ||
3390 | return -ENXIO; | ||
3391 | |||
3392 | drive = tape->drive; | 3293 | drive = tape->drive; |
3393 | 3294 | ||
3394 | filp->private_data = tape; | 3295 | filp->private_data = tape; |
@@ -3479,10 +3380,8 @@ static int idetape_chrdev_release (struct inode *inode, struct file *filp) | |||
3479 | 3380 | ||
3480 | lock_kernel(); | 3381 | lock_kernel(); |
3481 | tape = drive->driver_data; | 3382 | tape = drive->driver_data; |
3482 | #if IDETAPE_DEBUG_LOG | 3383 | |
3483 | if (tape->debug_level >= 3) | 3384 | debug_log(DBG_CHRDEV, "Enter %s\n", __func__); |
3484 | printk(KERN_INFO "ide-tape: Reached idetape_chrdev_release\n"); | ||
3485 | #endif /* IDETAPE_DEBUG_LOG */ | ||
3486 | 3385 | ||
3487 | if (tape->chrdev_direction == idetape_direction_write) | 3386 | if (tape->chrdev_direction == idetape_direction_write) |
3488 | idetape_write_release(drive, minor); | 3387 | idetape_write_release(drive, minor); |
@@ -3650,7 +3549,8 @@ static void idetape_add_settings (ide_drive_t *drive) | |||
3650 | ide_add_setting(drive, "pipeline_head_speed_c",SETTING_READ, TYPE_INT, 0, 0xffff, 1, 1, &tape->controlled_pipeline_head_speed, NULL); | 3549 | ide_add_setting(drive, "pipeline_head_speed_c",SETTING_READ, TYPE_INT, 0, 0xffff, 1, 1, &tape->controlled_pipeline_head_speed, NULL); |
3651 | ide_add_setting(drive, "pipeline_head_speed_u",SETTING_READ, TYPE_INT, 0, 0xffff, 1, 1, &tape->uncontrolled_pipeline_head_speed,NULL); | 3550 | ide_add_setting(drive, "pipeline_head_speed_u",SETTING_READ, TYPE_INT, 0, 0xffff, 1, 1, &tape->uncontrolled_pipeline_head_speed,NULL); |
3652 | ide_add_setting(drive, "avg_speed", SETTING_READ, TYPE_INT, 0, 0xffff, 1, 1, &tape->avg_speed, NULL); | 3551 | ide_add_setting(drive, "avg_speed", SETTING_READ, TYPE_INT, 0, 0xffff, 1, 1, &tape->avg_speed, NULL); |
3653 | ide_add_setting(drive, "debug_level", SETTING_RW, TYPE_INT, 0, 0xffff, 1, 1, &tape->debug_level, NULL); | 3552 | ide_add_setting(drive, "debug_mask", SETTING_RW, TYPE_INT, 0, 0xffff, 1, |
3553 | 1, &tape->debug_mask, NULL); | ||
3654 | } | 3554 | } |
3655 | #else | 3555 | #else |
3656 | static inline void idetape_add_settings(ide_drive_t *drive) { ; } | 3556 | static inline void idetape_add_settings(ide_drive_t *drive) { ; } |