diff options
Diffstat (limited to 'drivers/block/ide-tape.c')
| -rw-r--r-- | drivers/block/ide-tape.c | 191 |
1 files changed, 133 insertions, 58 deletions
diff --git a/drivers/block/ide-tape.c b/drivers/block/ide-tape.c index 1e1b6e44e..95e780abf 100644 --- a/drivers/block/ide-tape.c +++ b/drivers/block/ide-tape.c @@ -1,5 +1,5 @@ /* - * linux/drivers/block/ide-tape.c Version 1.16f Dec 15, 1999 + * linux/drivers/block/ide-tape.c Version 1.16f Dec 15, 1999 * * Copyright (C) 1995 - 1999 Gadi Oxman <gadio@netvision.net.il> * @@ -411,12 +411,12 @@ #include <asm/bitops.h> -#define NO_LONGER_REQUIRE (1) +#define NO_LONGER_REQUIRED (1) /* * OnStream support */ -#define ONSTREAM_DEBUG (1) +#define ONSTREAM_DEBUG (0) #define OS_CONFIG_PARTITION (0xff) #define OS_DATA_PARTITION (0) #define OS_PARTITION_VERSION (1) @@ -543,6 +543,7 @@ typedef struct os_header_s { /* * The following are used to debug the driver: * + * Setting IDETAPE_DEBUG_INFO to 1 will report device capabilities. * Setting IDETAPE_DEBUG_LOG to 1 will log driver flow control. * Setting IDETAPE_DEBUG_BUGS to 1 will enable self-sanity checks in * some places. @@ -557,7 +558,9 @@ typedef struct os_header_s { * is verified to be stable enough. This will make it much more * esthetic. */ +#define IDETAPE_DEBUG_INFO 0 #define IDETAPE_DEBUG_LOG 1 +#define IDETAPE_DEBUG_LOG_VERBOSE 0 #define IDETAPE_DEBUG_BUGS 1 /* @@ -700,9 +703,10 @@ typedef struct idetape_packet_command_s { */ typedef struct { unsigned page_code :6; /* Page code - Should be 0x2a */ - unsigned reserved1_67 :2; - u8 page_length; /* Page Length - Should be 0x12 */ - u8 reserved2, reserved3; + __u8 reserved0_6 :1; + __u8 ps :1; /* parameters saveable */ + __u8 page_length; /* Page Length - Should be 0x12 */ + __u8 reserved2, reserved3; unsigned ro :1; /* Read Only Mode */ unsigned reserved4_1234 :4; unsigned sprev :1; /* Supports SPACE in the reverse direction */ @@ -716,7 +720,8 @@ typedef struct { unsigned locked :1; /* The volume is locked */ unsigned prevent :1; /* The device defaults in the prevent state after power up */ unsigned eject :1; /* The device can eject the volume */ - unsigned reserved6_45 :2; /* Reserved */ + __u8 disconnect :1; /* The device can break request > ctl */ + __u8 reserved6_5 :1; unsigned ecc :1; /* Supports error correction */ unsigned cmprs :1; /* Supports data compression */ unsigned reserved7_0 :1; @@ -726,12 +731,12 @@ typedef struct { unsigned blk32768 :1; /* slowb - the device restricts the byte count for PIO */ /* transfers for slow buffer memory ??? */ /* Also 32768 block size in some cases */ - u16 max_speed; /* Maximum speed supported in KBps */ - u8 reserved10, reserved11; - u16 ctl; /* Continuous Transfer Limit in blocks */ - u16 speed; /* Current Speed, in KBps */ - u16 buffer_size; /* Buffer Size, in 512 bytes */ - u8 reserved18, reserved19; + __u16 max_speed; /* Maximum speed supported in KBps */ + __u8 reserved10, reserved11; + __u16 ctl; /* Continuous Transfer Limit in blocks */ + __u16 speed; /* Current Speed, in KBps */ + __u16 buffer_size; /* Buffer Size, in 512 bytes */ + __u8 reserved18, reserved19; } idetape_capabilities_page_t; /* @@ -741,8 +746,8 @@ typedef struct { unsigned page_code :6; /* Page code - Should be 0x30 */ unsigned reserved1_6 :1; unsigned ps :1; - u8 page_length; /* Page Length - Should be 2 */ - u8 reserved2; + __u8 page_length; /* Page Length - Should be 2 */ + __u8 reserved2; unsigned play32 :1; unsigned play32_5 :1; unsigned reserved2_23 :2; @@ -768,23 +773,23 @@ typedef struct idetape_stage_s { typedef struct { unsigned error_code :7; /* Current of deferred errors */ unsigned valid :1; /* The information field conforms to QIC-157C */ - u8 reserved1 :8; /* Segment Number - Reserved */ + __u8 reserved1 :8; /* Segment Number - Reserved */ unsigned sense_key :4; /* Sense Key */ unsigned reserved2_4 :1; /* Reserved */ unsigned ili :1; /* Incorrect Length Indicator */ unsigned eom :1; /* End Of Medium */ unsigned filemark :1; /* Filemark */ - u32 information __attribute__ ((packed)); - u8 asl; /* Additional sense length (n-7) */ - u32 command_specific; /* Additional command specific information */ - u8 asc; /* Additional Sense Code */ - u8 ascq; /* Additional Sense Code Qualifier */ - u8 replaceable_unit_code; /* Field Replaceable Unit Code */ + __u32 information __attribute__ ((packed)); + __u8 asl; /* Additional sense length (n-7) */ + __u32 command_specific; /* Additional command specific information */ + __u8 asc; /* Additional Sense Code */ + __u8 ascq; /* Additional Sense Code Qualifier */ + __u8 replaceable_unit_code; /* Field Replaceable Unit Code */ unsigned sk_specific1 :7; /* Sense Key Specific */ unsigned sksv :1; /* Sense Key Specific information is valid */ - u8 sk_specific2; /* Sense Key Specific */ - u8 sk_specific3; /* Sense Key Specific */ - u8 pad[2]; /* Padding to 20 bytes */ + __u8 sk_specific2; /* Sense Key Specific */ + __u8 sk_specific3; /* Sense Key Specific */ + __u8 pad[2]; /* Padding to 20 bytes */ } idetape_request_sense_result_t; @@ -1247,13 +1252,13 @@ typedef struct { unsigned reserved3_45 :2; /* Reserved */ unsigned reserved3_6 :1; /* TrmIOP - Reserved */ unsigned reserved3_7 :1; /* AENC - Reserved */ - u8 additional_length; /* Additional Length (total_length-4) */ - u8 rsv5, rsv6, rsv7; /* Reserved */ - u8 vendor_id[8]; /* Vendor Identification */ - u8 product_id[16]; /* Product Identification */ - u8 revision_level[4]; /* Revision Level */ - u8 vendor_specific[20]; /* Vendor Specific - Optional */ - u8 reserved56t95[40]; /* Reserved - Optional */ + __u8 additional_length; /* Additional Length (total_length-4) */ + __u8 rsv5, rsv6, rsv7; /* Reserved */ + __u8 vendor_id[8]; /* Vendor Identification */ + __u8 product_id[16]; /* Product Identification */ + __u8 revision_level[4]; /* Revision Level */ + __u8 vendor_specific[20]; /* Vendor Specific - Optional */ + __u8 reserved56t95[40]; /* Reserved - Optional */ /* Additional information may be returned */ } idetape_inquiry_result_t; @@ -1287,10 +1292,25 @@ typedef struct { * Mode Parameter Header for the MODE SENSE packet command */ typedef struct { - u8 mode_data_length; /* Length of the following data transfer */ - u8 medium_type; /* Medium Type */ - u8 dsp; /* Device Specific Parameter */ - u8 bdl; /* Block Descriptor Length */ + __u8 mode_data_length; /* Length of the following data transfer */ + __u8 medium_type; /* Medium Type */ + __u8 dsp; /* Device Specific Parameter */ + __u8 bdl; /* Block Descriptor Length */ +#if 0 + /* data transfer page */ + __u8 page_code :6; + __u8 reserved0_6 :1; + __u8 ps :1; /* parameters saveable */ + __u8 page_length; /* page Length == 0x02 */ + __u8 reserved2; + __u8 read32k :1; /* 32k blk size (data only) */ + __u8 read32k5 :1; /* 32.5k blk size (data&AUX) */ + __u8 reserved3_23 :2; + __u8 write32k :1; /* 32k blk size (data only) */ + __u8 write32k5 :1; /* 32.5k blk size (data&AUX) */ + __u8 reserved3_6 :1; + __u8 streaming :1; /* streaming mode enable */ +#endif } idetape_mode_parameter_header_t; /* @@ -1299,10 +1319,10 @@ typedef struct { * Support for block descriptors is optional. */ typedef struct { - u8 density_code; /* Medium density code */ - u8 blocks[3]; /* Number of blocks */ - u8 reserved4; /* Reserved */ - u8 length[3]; /* Block Length */ + __u8 density_code; /* Medium density code */ + __u8 blocks[3]; /* Number of blocks */ + __u8 reserved4; /* Reserved */ + __u8 length[3]; /* Block Length */ } idetape_parameter_block_descriptor_t; /* @@ -1312,16 +1332,16 @@ typedef struct { unsigned page_code :6; /* Page Code - Should be 0xf */ unsigned reserved0 :1; /* Reserved */ unsigned ps :1; - u8 page_length; /* Page Length - Should be 14 */ + __u8 page_length; /* Page Length - Should be 14 */ unsigned reserved2 :6; /* Reserved */ unsigned dcc :1; /* Data Compression Capable */ unsigned dce :1; /* Data Compression Enable */ unsigned reserved3 :5; /* Reserved */ unsigned red :2; /* Report Exception on Decompression */ unsigned dde :1; /* Data Decompression Enable */ - u32 ca; /* Compression Algorithm */ - u32 da; /* Decompression Algorithm */ - u8 reserved[4]; /* Reserved */ + __u32 ca; /* Compression Algorithm */ + __u32 da; /* Decompression Algorithm */ + __u8 reserved[4]; /* Reserved */ } idetape_data_compression_page_t; /* @@ -1331,16 +1351,16 @@ typedef struct { unsigned page_code :6; /* Page Code - Should be 0x11 */ unsigned reserved1_6 :1; /* Reserved */ unsigned ps :1; - u8 page_length; /* Page Length - Should be 6 */ - u8 map; /* Maximum Additional Partitions - Should be 0 */ - u8 apd; /* Additional Partitions Defined - Should be 0 */ + __u8 page_length; /* Page Length - Should be 6 */ + __u8 map; /* Maximum Additional Partitions - Should be 0 */ + __u8 apd; /* Additional Partitions Defined - Should be 0 */ unsigned reserved4_012 :3; /* Reserved */ unsigned psum :2; /* Should be 0 */ unsigned idp :1; /* Should be 0 */ unsigned sdp :1; /* Should be 0 */ unsigned fdp :1; /* Fixed Data Partitions */ - u8 mfr; /* Medium Format Recognition */ - u8 reserved[2]; /* Reserved */ + __u8 mfr; /* Medium Format Recognition */ + __u8 reserved[2]; /* Reserved */ } idetape_medium_partition_page_t; /* @@ -1359,6 +1379,53 @@ typedef struct { static idetape_chrdev_t idetape_chrdevs[MAX_HWIFS * MAX_DRIVES]; static int idetape_chrdev_present = 0; +#if IDETAPE_DEBUG_LOG_VERBOSE + +/* + * DO NOT REMOVE, BUILDING A VERBOSE DEBUG SCHEME FOR ATAPI + */ + +char *idetape_sense_key_verbose (byte idetape_sense_key) +{ + switch (idetape_sense_key) { + default: { + char buf[22]; + sprintf(buf, "IDETAPE_SENSE (0x%02x)", idetape_sense_key); + return(buf); + } + + } +} + +char *idetape_command_key_verbose (byte idetape_command_key) +{ + switch (idetape_command_key) { + case IDETAPE_TEST_UNIT_READY_CMD: return("TEST_UNIT_READY_CMD"); + case IDETAPE_REWIND_CMD: return("REWIND_CMD"); + case IDETAPE_REQUEST_SENSE_CMD: return("REQUEST_SENSE_CMD"); + case IDETAPE_READ_CMD: return("READ_CMD"); + case IDETAPE_WRITE_CMD: return("WRITE_CMD"); + case IDETAPE_WRITE_FILEMARK_CMD: return("WRITE_FILEMARK_CMD"); + case IDETAPE_SPACE_CMD: return("SPACE_CMD"); + case IDETAPE_INQUIRY_CMD: return("INQUIRY_CMD"); + case IDETAPE_ERASE_CMD: return("ERASE_CMD") + case IDETAPE_MODE_SENSE_CMD: return("MODE_SENSE_CMD"); + case IDETAPE_MODE_SELECT_CMD: return("MODE_SELECT_CMD"); + case IDETAPE_LOAD_UNLOAD_CMD: return("LOAD_UNLOAD_CMD"); + case IDETAPE_PREVENT_CMD: return("PREVENT_CMD"); + case IDETAPE_LOCATE_CMD: return("LOCATE_CMD"); + case IDETAPE_READ_POSITION_CMD: return("READ_POSITION_CMD"); + case IDETAPE_READ_BUFFER_CMD: return("READ_BUFFER_CMD"); + case IDETAPE_SET_SPEED_CMD: return("SET_SPEED_CMD"); + default: { + char buf[20]; + sprintf(buf, "CMD (0x%02x)", idetape_command_key); + return(buf); + } + } +} +#endif /* IDETAPE_DEBUG_LOG_VERBOSE */ + /* * Too bad. The drive wants to send us data which we are not ready to accept. * Just throw it away. @@ -1523,6 +1590,14 @@ static void idetape_analyze_error (ide_drive_t *drive,idetape_request_sense_resu */ if (tape->debug_level >= 1) printk (KERN_INFO "ide-tape: pc = %x, sense key = %x, asc = %x, ascq = %x\n",pc->c[0],result->sense_key,result->asc,result->ascq); +#if IDETAPE_DEBUG_LOG_VERBOSE + if (tape->debug_level >= 1) + printk (KERN_INFO "ide-tape: pc = %s, sense key = %x, asc = %x, ascq = %x\n", + idetape_command_key_verbose((byte) pc->c[0]), + result->sense_key, + result->asc, + result->ascq); +#endif /* IDETAPE_DEBUG_LOG_VERBOSE */ #endif /* IDETAPE_DEBUG_LOG */ if (tape->onstream && result->sense_key == 2 && result->asc == 0x53 && result->ascq == 2) { @@ -3833,7 +3908,7 @@ static int idetape_get_logical_blk (ide_drive_t *drive, int logical_blk_num, int if (tape->onstream) { #if ONSTREAM_DEBUG if (tape->debug_level >= 1) - printk(KERN_INFO "ide-tape: %s: first_stage == NULL, pipeline error %d\n", tape->name, test_bit(IDETAPE_PIPELINE_ERROR, &tape->flags)); + printk(KERN_INFO "ide-tape: %s: first_stage == NULL, pipeline error %ld\n", tape->name, (long)test_bit(IDETAPE_PIPELINE_ERROR, &tape->flags)); #endif clear_bit(IDETAPE_PIPELINE_ERROR, &tape->flags); position = idetape_read_position(drive); @@ -5280,16 +5355,16 @@ static int idetape_chrdev_release (struct inode *inode, struct file *filp) static int idetape_identify_device (ide_drive_t *drive,struct hd_driveid *id) { struct idetape_id_gcw gcw; -#if IDETAPE_DEBUG_LOG +#if IDETAPE_DEBUG_INFO unsigned short mask,i; -#endif /* IDETAPE_DEBUG_LOG */ +#endif /* IDETAPE_DEBUG_INFO */ if (!id) return 0; *((unsigned short *) &gcw) = id->config; -#if IDETAPE_DEBUG_LOG +#if IDETAPE_DEBUG_INFO printk (KERN_INFO "ide-tape: Dumping ATAPI Identify Device tape parameters\n"); printk (KERN_INFO "ide-tape: Protocol Type: "); switch (gcw.protocol) { @@ -5377,7 +5452,7 @@ static int idetape_identify_device (ide_drive_t *drive,struct hd_driveid *id) } else printk (KERN_INFO "ide-tape: According to the device, fields 64-70 are not valid.\n"); -#endif /* IDETAPE_DEBUG_LOG */ +#endif /* IDETAPE_DEBUG_INFO */ /* Check that we can support this device */ @@ -5462,12 +5537,12 @@ static void idetape_onstream_configure_block_size (ide_drive_t *drive) header = (idetape_mode_parameter_header_t *) pc.buffer; bs = (idetape_block_size_page_t *) (pc.buffer + sizeof(idetape_mode_parameter_header_t) + header->bdl); -#if IDETAPE_DEBUG_LOG +#if IDETAPE_DEBUG_INFO printk(KERN_INFO "ide-tape: 32KB play back: %s\n", bs->play32 ? "Yes" : "No"); printk(KERN_INFO "ide-tape: 32.5KB play back: %s\n", bs->play32_5 ? "Yes" : "No"); printk(KERN_INFO "ide-tape: 32KB record: %s\n", bs->record32 ? "Yes" : "No"); printk(KERN_INFO "ide-tape: 32.5KB record: %s\n", bs->record32_5 ? "Yes" : "No"); -#endif +#endif /* IDETAPE_DEBUG_INFO */ /* * Configure default auto columns mode, 32.5KB block size @@ -5587,7 +5662,7 @@ static void idetape_get_mode_sense_results (ide_drive_t *drive) else if (tape->onstream && capabilities->blk32768) tape->tape_block_size = 32768; -#if IDETAPE_DEBUG_LOG +#if IDETAPE_DEBUG_INFO printk (KERN_INFO "ide-tape: Dumping the results of the MODE SENSE packet command\n"); printk (KERN_INFO "ide-tape: Mode Parameter Header:\n"); printk (KERN_INFO "ide-tape: Mode Data Length - %d\n",header->mode_data_length); @@ -5615,7 +5690,7 @@ static void idetape_get_mode_sense_results (ide_drive_t *drive) printk (KERN_INFO "ide-tape: Continuous transfer limits in blocks - %d\n",capabilities->ctl); printk (KERN_INFO "ide-tape: Current speed in KBps - %d\n",capabilities->speed); printk (KERN_INFO "ide-tape: Buffer size - %d\n",capabilities->buffer_size*512); -#endif /* IDETAPE_DEBUG_LOG */ +#endif /* IDETAPE_DEBUG_INFO */ } static void idetape_add_settings (ide_drive_t *drive) |