diff options
Diffstat (limited to 'drivers/ide/ide-tape.c')
| -rw-r--r-- | drivers/ide/ide-tape.c | 536 |
1 files changed, 250 insertions, 286 deletions
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c index 0598ecfd5f3..f43fd070f1b 100644 --- a/drivers/ide/ide-tape.c +++ b/drivers/ide/ide-tape.c @@ -181,49 +181,63 @@ struct idetape_bh { char *b_data; }; -typedef struct idetape_packet_command_s { - /* Actual packet bytes */ - u8 c[12]; - /* On each retry, we increment retries */ - int retries; - /* Error code */ - int error; - /* Bytes to transfer */ - int request_transfer; - /* Bytes actually transferred */ - int actually_transferred; - /* Size of our data buffer */ - int buffer_size; - struct idetape_bh *bh; - char *b_data; - int b_count; - /* Data buffer */ - u8 *buffer; - /* Pointer into the above buffer */ - u8 *current_position; - /* Called when this packet command is completed */ - ide_startstop_t (*callback) (ide_drive_t *); - /* Temporary buffer */ - u8 pc_buffer[IDETAPE_PC_BUFFER_SIZE]; - /* Status/Action bit flags: long for set_bit */ - unsigned long flags; -} idetape_pc_t; +/* Tape door status */ +#define DOOR_UNLOCKED 0 +#define DOOR_LOCKED 1 +#define DOOR_EXPLICITLY_LOCKED 2 + +/* Some defines for the SPACE command */ +#define IDETAPE_SPACE_OVER_FILEMARK 1 +#define IDETAPE_SPACE_TO_EOD 3 + +/* Some defines for the LOAD UNLOAD command */ +#define IDETAPE_LU_LOAD_MASK 1 +#define IDETAPE_LU_RETENSION_MASK 2 +#define IDETAPE_LU_EOT_MASK 4 /* - * Packet command flag bits. + * Special requests for our block device strategy routine. + * + * In order to service a character device command, we add special requests to + * the tail of our block device request queue and wait for their completion. */ -/* Set when an error is considered normal - We won't retry */ -#define PC_ABORT 0 -/* 1 When polling for DSC on a media access command */ -#define PC_WAIT_FOR_DSC 1 -/* 1 when we prefer to use DMA if possible */ -#define PC_DMA_RECOMMENDED 2 -/* 1 while DMA in progress */ -#define PC_DMA_IN_PROGRESS 3 -/* 1 when encountered problem during DMA */ -#define PC_DMA_ERROR 4 -/* Data direction */ -#define PC_WRITING 5 + +enum { + REQ_IDETAPE_PC1 = (1 << 0), /* packet command (first stage) */ + REQ_IDETAPE_PC2 = (1 << 1), /* packet command (second stage) */ + REQ_IDETAPE_READ = (1 << 2), + REQ_IDETAPE_WRITE = (1 << 3), +}; + +/* Error codes returned in rq->errors to the higher part of the driver. */ +#define IDETAPE_ERROR_GENERAL 101 +#define IDETAPE_ERROR_FILEMARK 102 +#define IDETAPE_ERROR_EOD 103 + +/* Structures related to the SELECT SENSE / MODE SENSE packet commands. */ +#define IDETAPE_BLOCK_DESCRIPTOR 0 +#define IDETAPE_CAPABILITIES_PAGE 0x2a + +/* Tape flag bits values. */ +enum { + IDETAPE_FLAG_IGNORE_DSC = (1 << 0), + /* 0 When the tape position is unknown */ + IDETAPE_FLAG_ADDRESS_VALID = (1 << 1), + /* Device already opened */ + IDETAPE_FLAG_BUSY = (1 << 2), + /* Error detected in a pipeline stage */ + IDETAPE_FLAG_PIPELINE_ERR = (1 << 3), + /* Attempt to auto-detect the current user block size */ + IDETAPE_FLAG_DETECT_BS = (1 << 4), + /* Currently on a filemark */ + IDETAPE_FLAG_FILEMARK = (1 << 5), + /* DRQ interrupt device */ + IDETAPE_FLAG_DRQ_INTERRUPT = (1 << 6), + /* pipeline active */ + IDETAPE_FLAG_PIPELINE_ACTIVE = (1 << 7), + /* 0 = no tape is loaded, so we don't rewind after ejecting */ + IDETAPE_FLAG_MEDIUM_PRESENT = (1 << 8), +}; /* A pipeline stage. */ typedef struct idetape_stage_s { @@ -258,11 +272,11 @@ typedef struct ide_tape_obj { * retry, to get detailed information on what went wrong. */ /* Current packet command */ - idetape_pc_t *pc; + struct ide_atapi_pc *pc; /* Last failed packet command */ - idetape_pc_t *failed_pc; + struct ide_atapi_pc *failed_pc; /* Packet command stack */ - idetape_pc_t pc_stack[IDETAPE_PC_STACK]; + struct ide_atapi_pc pc_stack[IDETAPE_PC_STACK]; /* Next free packet command storage space */ int pc_stack_index; struct request rq_stack[IDETAPE_PC_STACK]; @@ -446,58 +460,6 @@ static void ide_tape_put(struct ide_tape_obj *tape) mutex_unlock(&idetape_ref_mutex); } -/* Tape door status */ -#define DOOR_UNLOCKED 0 -#define DOOR_LOCKED 1 -#define DOOR_EXPLICITLY_LOCKED 2 - -/* - * Tape flag bits values. - */ -#define IDETAPE_IGNORE_DSC 0 -#define IDETAPE_ADDRESS_VALID 1 /* 0 When the tape position is unknown */ -#define IDETAPE_BUSY 2 /* Device already opened */ -#define IDETAPE_PIPELINE_ERROR 3 /* Error detected in a pipeline stage */ -#define IDETAPE_DETECT_BS 4 /* Attempt to auto-detect the current user block size */ -#define IDETAPE_FILEMARK 5 /* Currently on a filemark */ -#define IDETAPE_DRQ_INTERRUPT 6 /* DRQ interrupt device */ -#define IDETAPE_READ_ERROR 7 -#define IDETAPE_PIPELINE_ACTIVE 8 /* pipeline active */ -/* 0 = no tape is loaded, so we don't rewind after ejecting */ -#define IDETAPE_MEDIUM_PRESENT 9 - -/* Some defines for the SPACE command */ -#define IDETAPE_SPACE_OVER_FILEMARK 1 -#define IDETAPE_SPACE_TO_EOD 3 - -/* Some defines for the LOAD UNLOAD command */ -#define IDETAPE_LU_LOAD_MASK 1 -#define IDETAPE_LU_RETENSION_MASK 2 -#define IDETAPE_LU_EOT_MASK 4 - -/* - * Special requests for our block device strategy routine. - * - * In order to service a character device command, we add special requests to - * the tail of our block device request queue and wait for their completion. - */ - -enum { - REQ_IDETAPE_PC1 = (1 << 0), /* packet command (first stage) */ - REQ_IDETAPE_PC2 = (1 << 1), /* packet command (second stage) */ - REQ_IDETAPE_READ = (1 << 2), - REQ_IDETAPE_WRITE = (1 << 3), -}; - -/* Error codes returned in rq->errors to the higher part of the driver. */ -#define IDETAPE_ERROR_GENERAL 101 -#define IDETAPE_ERROR_FILEMARK 102 -#define IDETAPE_ERROR_EOD 103 - -/* Structures related to the SELECT SENSE / MODE SENSE packet commands. */ -#define IDETAPE_BLOCK_DESCRIPTOR 0 -#define IDETAPE_CAPABILITIES_PAGE 0x2a - /* * The variables below are used for the character device interface. Additional * state variables are defined in our ide_drive_t structure. @@ -518,17 +480,7 @@ static struct ide_tape_obj *ide_tape_chrdev_get(unsigned int i) return tape; } -/* - * Too bad. The drive wants to send us data which we are not ready to accept. - * Just throw it away. - */ -static void idetape_discard_data(ide_drive_t *drive, unsigned int bcount) -{ - while (bcount--) - (void) HWIF(drive)->INB(IDE_DATA_REG); -} - -static void idetape_input_buffers(ide_drive_t *drive, idetape_pc_t *pc, +static void idetape_input_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, unsigned int bcount) { struct idetape_bh *bh = pc->bh; @@ -538,7 +490,7 @@ static void idetape_input_buffers(ide_drive_t *drive, idetape_pc_t *pc, if (bh == NULL) { printk(KERN_ERR "ide-tape: bh == NULL in " "idetape_input_buffers\n"); - idetape_discard_data(drive, bcount); + ide_atapi_discard_data(drive, bcount); return; } count = min( @@ -557,7 +509,7 @@ static void idetape_input_buffers(ide_drive_t *drive, idetape_pc_t *pc, pc->bh = bh; } -static void idetape_output_buffers(ide_drive_t *drive, idetape_pc_t *pc, +static void idetape_output_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc, unsigned int bcount) { struct idetape_bh *bh = pc->bh; @@ -585,13 +537,13 @@ static void idetape_output_buffers(ide_drive_t *drive, idetape_pc_t *pc, } } -static void idetape_update_buffers(idetape_pc_t *pc) +static void idetape_update_buffers(struct ide_atapi_pc *pc) { struct idetape_bh *bh = pc->bh; int count; - unsigned int bcount = pc->actually_transferred; + unsigned int bcount = pc->xferred; - if (test_bit(PC_WRITING, &pc->flags)) + if (pc->flags & PC_FLAG_WRITING) return; while (bcount) { if (bh == NULL) { @@ -614,7 +566,7 @@ static void idetape_update_buffers(idetape_pc_t *pc) * driver. A storage space for a maximum of IDETAPE_PC_STACK packet * commands is allocated at initialization time. */ -static idetape_pc_t *idetape_next_pc_storage(ide_drive_t *drive) +static struct ide_atapi_pc *idetape_next_pc_storage(ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; @@ -649,14 +601,14 @@ static struct request *idetape_next_rq_storage(ide_drive_t *drive) return (&tape->rq_stack[tape->rq_stack_index++]); } -static void idetape_init_pc(idetape_pc_t *pc) +static void idetape_init_pc(struct ide_atapi_pc *pc) { memset(pc->c, 0, 12); pc->retries = 0; pc->flags = 0; - pc->request_transfer = 0; - pc->buffer = pc->pc_buffer; - pc->buffer_size = IDETAPE_PC_BUFFER_SIZE; + pc->req_xfer = 0; + pc->buf = pc->pc_buf; + pc->buf_size = IDETAPE_PC_BUFFER_SIZE; pc->bh = NULL; pc->b_data = NULL; } @@ -668,7 +620,7 @@ static void idetape_init_pc(idetape_pc_t *pc) static void idetape_analyze_error(ide_drive_t *drive, u8 *sense) { idetape_tape_t *tape = drive->driver_data; - idetape_pc_t *pc = tape->failed_pc; + struct ide_atapi_pc *pc = tape->failed_pc; tape->sense_key = sense[2] & 0xF; tape->asc = sense[12]; @@ -677,9 +629,9 @@ static void idetape_analyze_error(ide_drive_t *drive, u8 *sense) debug_log(DBG_ERR, "pc = %x, sense key = %x, asc = %x, ascq = %x\n", pc->c[0], tape->sense_key, tape->asc, tape->ascq); - /* Correct pc->actually_transferred by asking the tape. */ - if (test_bit(PC_DMA_ERROR, &pc->flags)) { - pc->actually_transferred = pc->request_transfer - + /* Correct pc->xferred by asking the tape. */ + if (pc->flags & PC_FLAG_DMA_ERROR) { + pc->xferred = pc->req_xfer - tape->blk_size * be32_to_cpu(get_unaligned((u32 *)&sense[3])); idetape_update_buffers(pc); @@ -697,27 +649,27 @@ static void idetape_analyze_error(ide_drive_t *drive, u8 *sense) /* don't report an error, everything's ok */ pc->error = 0; /* don't retry read/write */ - set_bit(PC_ABORT, &pc->flags); + pc->flags |= PC_FLAG_ABORT; } } if (pc->c[0] == READ_6 && (sense[2] & 0x80)) { pc->error = IDETAPE_ERROR_FILEMARK; - set_bit(PC_ABORT, &pc->flags); + pc->flags |= PC_FLAG_ABORT; } if (pc->c[0] == WRITE_6) { if ((sense[2] & 0x40) || (tape->sense_key == 0xd && tape->asc == 0x0 && tape->ascq == 0x2)) { pc->error = IDETAPE_ERROR_EOD; - set_bit(PC_ABORT, &pc->flags); + pc->flags |= PC_FLAG_ABORT; } } if (pc->c[0] == READ_6 || pc->c[0] == WRITE_6) { if (tape->sense_key == 8) { pc->error = IDETAPE_ERROR_EOD; - set_bit(PC_ABORT, &pc->flags); + pc->flags |= PC_FLAG_ABORT; } - if (!test_bit(PC_ABORT, &pc->flags) && - pc->actually_transferred) + if (!(pc->flags & PC_FLAG_ABORT) && + pc->xferred) pc->retries = IDETAPE_MAX_PC_RETRIES + 1; } } @@ -872,14 +824,16 @@ static int idetape_end_request(ide_drive_t *drive, int uptodate, int nr_sects) if (rq->cmd[0] & REQ_IDETAPE_WRITE) { remove_stage = 1; if (error) { - set_bit(IDETAPE_PIPELINE_ERROR, &tape->flags); + set_bit(IDETAPE_FLAG_PIPELINE_ERR, + &tape->flags); if (error == IDETAPE_ERROR_EOD) idetape_abort_pipeline(drive, active_stage); } } else if (rq->cmd[0] & REQ_IDETAPE_READ) { if (error == IDETAPE_ERROR_EOD) { - set_bit(IDETAPE_PIPELINE_ERROR, &tape->flags); + set_bit(IDETAPE_FLAG_PIPELINE_ERR, + &tape->flags); idetape_abort_pipeline(drive, active_stage); } } @@ -912,7 +866,7 @@ static int idetape_end_request(ide_drive_t *drive, int uptodate, int nr_sects) if (remove_stage) idetape_remove_stage_head(drive); if (tape->active_data_rq == NULL) - clear_bit(IDETAPE_PIPELINE_ACTIVE, &tape->flags); + clear_bit(IDETAPE_FLAG_PIPELINE_ACTIVE, &tape->flags); spin_unlock_irqrestore(&tape->lock, flags); return 0; } @@ -924,7 +878,7 @@ static ide_startstop_t idetape_request_sense_callback(ide_drive_t *drive) debug_log(DBG_PROCS, "Enter %s\n", __func__); if (!tape->pc->error) { - idetape_analyze_error(drive, tape->pc->buffer); + idetape_analyze_error(drive, tape->pc->buf); idetape_end_request(drive, 1, 0); } else { printk(KERN_ERR "ide-tape: Error in REQUEST SENSE itself - " @@ -934,13 +888,13 @@ static ide_startstop_t idetape_request_sense_callback(ide_drive_t *drive) return ide_stopped; } -static void idetape_create_request_sense_cmd(idetape_pc_t *pc) +static void idetape_create_request_sense_cmd(struct ide_atapi_pc *pc) { idetape_init_pc(pc); pc->c[0] = REQUEST_SENSE; pc->c[4] = 20; - pc->request_transfer = 20; - pc->callback = &idetape_request_sense_callback; + pc->req_xfer = 20; + pc->idetape_callback = &idetape_request_sense_callback; } static void idetape_init_rq(struct request *rq, u8 cmd) @@ -965,7 +919,7 @@ static void idetape_init_rq(struct request *rq, u8 cmd) * handling functions should queue request to the lower level part and wait for * their completion using idetape_queue_pc_tail or idetape_queue_rw_tail. */ -static void idetape_queue_pc_head(ide_drive_t *drive, idetape_pc_t *pc, +static void idetape_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc, struct request *rq) { struct ide_tape_obj *tape = drive->driver_data; @@ -984,14 +938,14 @@ static void idetape_queue_pc_head(ide_drive_t *drive, idetape_pc_t *pc, static ide_startstop_t idetape_retry_pc (ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; - idetape_pc_t *pc; + struct ide_atapi_pc *pc; struct request *rq; (void)ide_read_error(drive); pc = idetape_next_pc_storage(drive); rq = idetape_next_rq_storage(drive); idetape_create_request_sense_cmd(pc); - set_bit(IDETAPE_IGNORE_DSC, &tape->flags); + set_bit(IDETAPE_FLAG_IGNORE_DSC, &tape->flags); idetape_queue_pc_head(drive, pc, rq); return ide_stopped; } @@ -1010,7 +964,7 @@ static void idetape_postpone_request(ide_drive_t *drive) ide_stall_queue(drive, tape->dsc_poll_freq); } -typedef void idetape_io_buf(ide_drive_t *, idetape_pc_t *, unsigned int); +typedef void idetape_io_buf(ide_drive_t *, struct ide_atapi_pc *, unsigned int); /* * This is the usual interrupt handler which will be called during a packet @@ -1023,7 +977,7 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; idetape_tape_t *tape = drive->driver_data; - idetape_pc_t *pc = tape->pc; + struct ide_atapi_pc *pc = tape->pc; xfer_func_t *xferfunc; idetape_io_buf *iobuf; unsigned int temp; @@ -1038,7 +992,7 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) /* Clear the interrupt */ stat = ide_read_status(drive); - if (test_bit(PC_DMA_IN_PROGRESS, &pc->flags)) { + if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) { if (hwif->ide_dma_end(drive) || (stat & ERR_STAT)) { /* * A DMA error is sometimes expected. For example, @@ -1061,9 +1015,9 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) * data transfer will occur, but no DMA error. * (AS, 19 Apr 2001) */ - set_bit(PC_DMA_ERROR, &pc->flags); + pc->flags |= PC_FLAG_DMA_ERROR; } else { - pc->actually_transferred = pc->request_transfer; + pc->xferred = pc->req_xfer; idetape_update_buffers(pc); } debug_log(DBG_PROCS, "DMA finished\n"); @@ -1073,9 +1027,9 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) /* No more interrupts */ if ((stat & DRQ_STAT) == 0) { debug_log(DBG_SENSE, "Packet command completed, %d bytes" - " transferred\n", pc->actually_transferred); + " transferred\n", pc->xferred); - clear_bit(PC_DMA_IN_PROGRESS, &pc->flags); + pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS; local_irq_enable(); #if SIMULATE_ERRORS @@ -1088,7 +1042,7 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) #endif if ((stat & ERR_STAT) && pc->c[0] == REQUEST_SENSE) stat &= ~ERR_STAT; - if ((stat & ERR_STAT) || test_bit(PC_DMA_ERROR, &pc->flags)) { + if ((stat & ERR_STAT) || (pc->flags & PC_FLAG_DMA_ERROR)) { /* Error detected */ debug_log(DBG_ERR, "%s: I/O error\n", tape->name); @@ -1104,7 +1058,7 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) return idetape_retry_pc(drive); } pc->error = 0; - if (test_bit(PC_WAIT_FOR_DSC, &pc->flags) && + if ((pc->flags & PC_FLAG_WAIT_FOR_DSC) && (stat & SEEK_STAT) == 0) { /* Media access command */ tape->dsc_polling_start = jiffies; @@ -1117,9 +1071,11 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) if (tape->failed_pc == pc) tape->failed_pc = NULL; /* Command finished - Call the callback function */ - return pc->callback(drive); + return pc->idetape_callback(drive); } - if (test_and_clear_bit(PC_DMA_IN_PROGRESS, &pc->flags)) { + + if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) { + pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS; printk(KERN_ERR "ide-tape: The tape wants to issue more " "interrupts in DMA mode\n"); printk(KERN_ERR "ide-tape: DMA disabled, reverting to PIO\n"); @@ -1127,16 +1083,16 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) return ide_do_reset(drive); } /* Get the number of bytes to transfer on this interrupt. */ - bcount = (hwif->INB(IDE_BCOUNTH_REG) << 8) | - hwif->INB(IDE_BCOUNTL_REG); + bcount = (hwif->INB(hwif->io_ports[IDE_BCOUNTH_OFFSET]) << 8) | + hwif->INB(hwif->io_ports[IDE_BCOUNTL_OFFSET]); - ireason = hwif->INB(IDE_IREASON_REG); + ireason = hwif->INB(hwif->io_ports[IDE_IREASON_OFFSET]); if (ireason & CD) { printk(KERN_ERR "ide-tape: CoD != 0 in %s\n", __func__); return ide_do_reset(drive); } - if (((ireason & IO) == IO) == test_bit(PC_WRITING, &pc->flags)) { + if (((ireason & IO) == IO) == !!(pc->flags & PC_FLAG_WRITING)) { /* Hopefully, we will never get here */ printk(KERN_ERR "ide-tape: We wanted to %s, ", (ireason & IO) ? "Write" : "Read"); @@ -1144,15 +1100,15 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) (ireason & IO) ? "Read" : "Write"); return ide_do_reset(drive); } - if (!test_bit(PC_WRITING, &pc->flags)) { + if (!(pc->flags & PC_FLAG_WRITING)) { /* Reading - Check that we have enough space */ - temp = pc->actually_transferred + bcount; - if (temp > pc->request_transfer) { - if (temp > pc->buffer_size) { + temp = pc->xferred + bcount; + if (temp > pc->req_xfer) { + if (temp > pc->buf_size) { printk(KERN_ERR "ide-tape: The tape wants to " "send us more data than expected " "- discarding data\n"); - idetape_discard_data(drive, bcount); + ide_atapi_discard_data(drive, bcount); ide_set_handler(drive, &idetape_pc_intr, IDETAPE_WAIT_CMD, NULL); return ide_started; @@ -1170,11 +1126,11 @@ static ide_startstop_t idetape_pc_intr(ide_drive_t *drive) if (pc->bh) iobuf(drive, pc, bcount); else - xferfunc(drive, pc->current_position, bcount); + xferfunc(drive, pc->cur_pos, bcount); /* Update the current position */ - pc->actually_transferred += bcount; - pc->current_position += bcount; + pc->xferred += bcount; + pc->cur_pos += bcount; debug_log(DBG_SENSE, "[cmd %x] transferred %d bytes on that intr.\n", pc->c[0], bcount); @@ -1224,7 +1180,7 @@ static ide_startstop_t idetape_transfer_pc(ide_drive_t *drive) { ide_hwif_t *hwif = drive->hwif; idetape_tape_t *tape = drive->driver_data; - idetape_pc_t *pc = tape->pc; + struct ide_atapi_pc *pc = tape->pc; int retries = 100; ide_startstop_t startstop; u8 ireason; @@ -1234,12 +1190,12 @@ static ide_startstop_t idetape_transfer_pc(ide_drive_t *drive) "yet DRQ isn't asserted\n"); return startstop; } - ireason = hwif->INB(IDE_IREASON_REG); + ireason = hwif->INB(hwif->io_ports[IDE_IREASON_OFFSET]); while (retries-- && ((ireason & CD) == 0 || (ireason & IO))) { printk(KERN_ERR "ide-tape: (IO,CoD != (0,1) while issuing " "a packet command, retrying\n"); udelay(100); - ireason = hwif->INB(IDE_IREASON_REG); + ireason = hwif->INB(hwif->io_ports[IDE_IREASON_OFFSET]); if (retries == 0) { printk(KERN_ERR "ide-tape: (IO,CoD != (0,1) while " "issuing a packet command, ignoring\n"); @@ -1256,7 +1212,7 @@ static ide_startstop_t idetape_transfer_pc(ide_drive_t *drive) ide_set_handler(drive, &idetape_pc_intr, IDETAPE_WAIT_CMD, NULL); #ifdef CONFIG_BLK_DEV_IDEDMA /* Begin DMA, if necessary */ - if (test_bit(PC_DMA_IN_PROGRESS, &pc->flags)) + if (pc->flags & PC_FLAG_DMA_IN_PROGRESS) hwif->dma_start(drive); #endif /* Send the actual packet */ @@ -1264,7 +1220,8 @@ static ide_startstop_t idetape_transfer_pc(ide_drive_t *drive) return ide_started; } -static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, idetape_pc_t *pc) +static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, + struct ide_atapi_pc *pc) { ide_hwif_t *hwif = drive->hwif; idetape_tape_t *tape = drive->driver_data; @@ -1283,13 +1240,13 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, idetape_pc_t *pc) tape->pc = pc; if (pc->retries > IDETAPE_MAX_PC_RETRIES || - test_bit(PC_ABORT, &pc->flags)) { + (pc->flags & PC_FLAG_ABORT)) { /* * We will "abort" retrying a packet command in case legitimate * error code was received (crossing a filemark, or end of the * media, for example). */ - if (!test_bit(PC_ABORT, &pc->flags)) { + if (!(pc->flags & PC_FLAG_ABORT)) { if (!(pc->c[0] == TEST_UNIT_READY && tape->sense_key == 2 && tape->asc == 4 && (tape->ascq == 1 || tape->ascq == 8))) { @@ -1304,36 +1261,38 @@ static ide_startstop_t idetape_issue_pc(ide_drive_t *drive, idetape_pc_t *pc) pc->error = IDETAPE_ERROR_GENERAL; } tape->failed_pc = NULL; - return pc->callback(drive); + return pc->idetape_callback(drive); } debug_log(DBG_SENSE, "Retry #%d, cmd = %02X\n", pc->retries, pc->c[0]); pc->retries++; /* We haven't transferred any data yet */ - pc->actually_transferred = 0; - pc->current_position = pc->buffer; + pc->xferred = 0; + pc->cur_pos = pc->buf; /* Request to transfer the entire buffer at once */ - bcount = pc->request_transfer; + bcount = pc->req_xfer; - if (test_and_clear_bit(PC_DMA_ERROR, &pc->flags)) { + if (pc->flags & PC_FLAG_DMA_ERROR) { + pc->flags &= ~PC_FLAG_DMA_ERROR; printk(KERN_WARNING "ide-tape: DMA disabled, " "reverting to PIO\n"); ide_dma_off(drive); } - if (test_bit(PC_DMA_RECOMMENDED, &pc->flags) && drive->using_dma) + if ((pc->flags & PC_FLAG_DMA_RECOMMENDED) && drive->using_dma) dma_ok = !hwif->dma_setup(drive); ide_pktcmd_tf_load(drive, IDE_TFLAG_NO_SELECT_MASK | IDE_TFLAG_OUT_DEVICE, bcount, dma_ok); - if (dma_ok) /* Will begin DMA later */ - set_bit(PC_DMA_IN_PROGRESS, &pc->flags); - if (test_bit(IDETAPE_DRQ_INTERRUPT, &tape->flags)) { + if (dma_ok) + /* Will begin DMA later */ + pc->flags |= PC_FLAG_DMA_IN_PROGRESS; + if (test_bit(IDETAPE_FLAG_DRQ_INTERRUPT, &tape->flags)) { ide_execute_command(drive, WIN_PACKETCMD, &idetape_transfer_pc, IDETAPE_WAIT_CMD, NULL); return ide_started; } else { - hwif->OUTB(WIN_PACKETCMD, IDE_COMMAND_REG); + hwif->OUTB(WIN_PACKETCMD, hwif->io_ports[IDE_COMMAND_OFFSET]); return idetape_transfer_pc(drive); } } @@ -1349,7 +1308,7 @@ static ide_startstop_t idetape_pc_callback(ide_drive_t *drive) } /* A mode sense command is used to "sense" tape parameters. */ -static void idetape_create_mode_sense_cmd(idetape_pc_t *pc, u8 page_code) +static void idetape_create_mode_sense_cmd(struct ide_atapi_pc *pc, u8 page_code) { idetape_init_pc(pc); pc->c[0] = MODE_SENSE; @@ -1368,12 +1327,12 @@ static void idetape_create_mode_sense_cmd(idetape_pc_t *pc, u8 page_code) /* We will just discard data in that case */ pc->c[4] = 255; if (page_code == IDETAPE_BLOCK_DESCRIPTOR) - pc->request_transfer = 12; + pc->req_xfer = 12; else if (page_code == IDETAPE_CAPABILITIES_PAGE) - pc->request_transfer = 24; + pc->req_xfer = 24; else - pc->request_transfer = 50; - pc->callback = &idetape_pc_callback; + pc->req_xfer = 50; + pc->idetape_callback = &idetape_pc_callback; } static void idetape_calculate_speeds(ide_drive_t *drive) @@ -1442,7 +1401,7 @@ static void idetape_calculate_speeds(ide_drive_t *drive) static ide_startstop_t idetape_media_access_finished(ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; - idetape_pc_t *pc = tape->pc; + struct ide_atapi_pc *pc = tape->pc; u8 stat; stat = ide_read_status(drive); @@ -1463,14 +1422,14 @@ static ide_startstop_t idetape_media_access_finished(ide_drive_t *drive) pc->error = IDETAPE_ERROR_GENERAL; tape->failed_pc = NULL; } - return pc->callback(drive); + return pc->idetape_callback(drive); } static ide_startstop_t idetape_rw_callback(ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; struct request *rq = HWGROUP(drive)->rq; - int blocks = tape->pc->actually_transferred / tape->blk_size; + int blocks = tape->pc->xferred / tape->blk_size; tape->avg_size += blocks * tape->blk_size; tape->insert_size += blocks * tape->blk_size; @@ -1502,47 +1461,49 @@ static ide_startstop_t idetape_rw_callback(ide_drive_t *drive) return ide_stopped; } -static void idetape_create_read_cmd(idetape_tape_t *tape, idetape_pc_t *pc, +static void idetape_create_read_cmd(idetape_tape_t *tape, + struct ide_atapi_pc *pc, unsigned int length, struct idetape_bh *bh) { idetape_init_pc(pc); pc->c[0] = READ_6; put_unaligned(cpu_to_be32(length), (unsigned int *) &pc->c[1]); pc->c[1] = 1; - pc->callback = &idetape_rw_callback; + pc->idetape_callback = &idetape_rw_callback; pc->bh = bh; atomic_set(&bh->b_count, 0); - pc->buffer = NULL; - pc->buffer_size = length * tape->blk_size; - pc->request_transfer = pc->buffer_size; - if (pc->request_transfer == tape->stage_size) - set_bit(PC_DMA_RECOMMENDED, &pc->flags); + pc->buf = NULL; + pc->buf_size = length * tape->blk_size; + pc->req_xfer = pc->buf_size; + if (pc->req_xfer == tape->stage_size) + pc->flags |= PC_FLAG_DMA_RECOMMENDED; } -static void idetape_create_write_cmd(idetape_tape_t *tape, idetape_pc_t *pc, +static void idetape_create_write_cmd(idetape_tape_t *tape, + struct ide_atapi_pc *pc, unsigned int length, struct idetape_bh *bh) { idetape_init_pc(pc); pc->c[0] = WRITE_6; put_unaligned(cpu_to_be32(length), (unsigned int *) &pc->c[1]); pc->c[1] = 1; - pc->callback = &idetape_rw_callback; - set_bit(PC_WRITING, &pc->flags); + pc->idetape_callback = &idetape_rw_callback; + pc->flags |= PC_FLAG_WRITING; pc->bh = bh; pc->b_data = bh->b_data; pc->b_count = atomic_read(&bh->b_count); - pc->buffer = NULL; - pc->buffer_size = length * tape->blk_size; - pc->request_transfer = pc->buffer_size; - if (pc->request_transfer == tape->stage_size) - set_bit(PC_DMA_RECOMMENDED, &pc->flags); + pc->buf = NULL; + pc->buf_size = length * tape->blk_size; + pc->req_xfer = pc->buf_size; + if (pc->req_xfer == tape->stage_size) + pc->flags |= PC_FLAG_DMA_RECOMMENDED; } static ide_startstop_t idetape_do_request(ide_drive_t *drive, struct request *rq, sector_t block) { idetape_tape_t *tape = drive->driver_data; - idetape_pc_t *pc = NULL; + struct ide_atapi_pc *pc = NULL; struct request *postponed_rq = tape->postponed_rq; u8 stat; @@ -1579,10 +1540,10 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, stat = ide_read_status(drive); if (!drive->dsc_overlap && !(rq->cmd[0] & REQ_IDETAPE_PC2)) - set_bit(IDETAPE_IGNORE_DSC, &tape->flags); + set_bit(IDETAPE_FLAG_IGNORE_DSC, &tape->flags); if (drive->post_reset == 1) { - set_bit(IDETAPE_IGNORE_DSC, &tape->flags); + set_bit(IDETAPE_FLAG_IGNORE_DSC, &tape->flags); drive->post_reset = 0; } @@ -1590,7 +1551,7 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, tape->insert_speed = tape->insert_size / 1024 * HZ / (jiffies - tape->insert_time); idetape_calculate_speeds(drive); - if (!test_and_clear_bit(IDETAPE_IGNORE_DSC, &tape->flags) && + if (!test_and_clear_bit(IDETAPE_FLAG_IGNORE_DSC, &tape->flags) && (stat & SEEK_STAT) == 0) { if (postponed_rq == NULL) { tape->dsc_polling_start = jiffies; @@ -1629,7 +1590,7 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive, goto out; } if (rq->cmd[0] & REQ_IDETAPE_PC1) { - pc = (idetape_pc_t *) rq->buffer; + pc = (struct ide_atapi_pc *) rq->buffer; rq->cmd[0] &= ~(REQ_IDETAPE_PC1); rq->cmd[0] |= REQ_IDETAPE_PC2; goto out; @@ -1648,7 +1609,7 @@ static inline int idetape_pipeline_active(idetape_tape_t *tape) { int rc1, rc2; - rc1 = test_bit(IDETAPE_PIPELINE_ACTIVE, &tape->flags); + rc1 = test_bit(IDETAPE_FLAG_PIPELINE_ACTIVE, &tape->flags); rc2 = (tape->active_data_rq != NULL); return rc1; } @@ -1881,7 +1842,7 @@ static void idetape_wait_for_request(ide_drive_t *drive, struct request *rq) static ide_startstop_t idetape_read_position_callback(ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; - u8 *readpos = tape->pc->buffer; + u8 *readpos = tape->pc->buf; debug_log(DBG_PROCS, "Enter %s\n", __func__); @@ -1894,7 +1855,7 @@ static ide_startstop_t idetape_read_position_callback(ide_drive_t *drive) if (readpos[0] & 0x4) { printk(KERN_INFO "ide-tape: Block location is unknown" "to the tape\n"); - clear_bit(IDETAPE_ADDRESS_VALID, &tape->flags); + clear_bit(IDETAPE_FLAG_ADDRESS_VALID, &tape->flags); idetape_end_request(drive, 0, 0); } else { debug_log(DBG_SENSE, "Block Location - %u\n", @@ -1903,7 +1864,7 @@ static ide_startstop_t idetape_read_position_callback(ide_drive_t *drive) tape->partition = readpos[1]; tape->first_frame = be32_to_cpu(*(u32 *)&readpos[4]); - set_bit(IDETAPE_ADDRESS_VALID, &tape->flags); + set_bit(IDETAPE_FLAG_ADDRESS_VALID, &tape->flags); idetape_end_request(drive, 1, 0); } } else { @@ -1917,20 +1878,20 @@ static ide_startstop_t idetape_read_position_callback(ide_drive_t *drive) * writing a filemark otherwise. */ static void idetape_create_write_filemark_cmd(ide_drive_t *drive, - idetape_pc_t *pc, int write_filemark) + struct ide_atapi_pc *pc, int write_filemark) { idetape_init_pc(pc); pc->c[0] = WRITE_FILEMARKS; pc->c[4] = write_filemark; - set_bit(PC_WAIT_FOR_DSC, &pc->flags); - pc->callback = &idetape_pc_callback; + pc->flags |= PC_FLAG_WAIT_FOR_DSC; + pc->idetape_callback = &idetape_pc_callback; } -static void idetape_create_test_unit_ready_cmd(idetape_pc_t *pc) +static void idetape_create_test_unit_ready_cmd(struct ide_atapi_pc *pc) { idetape_init_pc(pc); pc->c[0] = TEST_UNIT_READY; - pc->callback = &idetape_pc_callback; + pc->idetape_callback = &idetape_pc_callback; } /* @@ -1946,7 +1907,7 @@ static void idetape_create_test_unit_ready_cmd(idetape_pc_t *pc) * to the request list without waiting for it to be serviced! In that case, we * usually use idetape_queue_pc_head(). */ -static int __idetape_queue_pc_tail(ide_drive_t *drive, idetape_pc_t *pc) +static int __idetape_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc) { struct ide_tape_obj *tape = drive->driver_data; struct request rq; @@ -1957,24 +1918,24 @@ static int __idetape_queue_pc_tail(ide_drive_t *drive, idetape_pc_t *pc) return ide_do_drive_cmd(drive, &rq, ide_wait); } -static void idetape_create_load_unload_cmd(ide_drive_t *drive, idetape_pc_t *pc, - int cmd) +static void idetape_create_load_unload_cmd(ide_drive_t *drive, + struct ide_atapi_pc *pc, int cmd) { idetape_init_pc(pc); pc->c[0] = START_STOP; pc->c[4] = cmd; - set_bit(PC_WAIT_FOR_DSC, &pc->flags); - pc->callback = &idetape_pc_callback; + pc->flags |= PC_FLAG_WAIT_FOR_DSC; + pc->idetape_callback = &idetape_pc_callback; } static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout) { idetape_tape_t *tape = drive->driver_data; - idetape_pc_t pc; + struct ide_atapi_pc pc; int load_attempted = 0; /* Wait for the tape to become ready */ - set_bit(IDETAPE_MEDIUM_PRESENT, &tape->flags); + set_bit(IDETAPE_FLAG_MEDIUM_PRESENT, &tape->flags); timeout += jiffies; while (time_before(jiffies, timeout)) { idetape_create_test_unit_ready_cmd(&pc); @@ -1998,14 +1959,14 @@ static int idetape_wait_ready(ide_drive_t *drive, unsigned long timeout) return -EIO; } -static int idetape_queue_pc_tail(ide_drive_t *drive, idetape_pc_t *pc) +static int idetape_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc) { return __idetape_queue_pc_tail(drive, pc); } static int idetape_flush_tape_buffers(ide_drive_t *drive) { - idetape_pc_t pc; + struct ide_atapi_pc pc; int rc; idetape_create_write_filemark_cmd(drive, &pc, 0); @@ -2016,18 +1977,18 @@ static int idetape_flush_tape_buffers(ide_drive_t *drive) return 0; } -static void idetape_create_read_position_cmd(idetape_pc_t *pc) +static void idetape_create_read_position_cmd(struct ide_atapi_pc *pc) { idetape_init_pc(pc); pc->c[0] = READ_POSITION; - pc->request_transfer = 20; - pc->callback = &idetape_read_position_callback; + pc->req_xfer = 20; + pc->idetape_callback = &idetape_read_position_callback; } static int idetape_read_position(ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; - idetape_pc_t pc; + struct ide_atapi_pc pc; int position; debug_log(DBG_PROCS, "Enter %s\n", __func__); @@ -2039,7 +2000,8 @@ static int idetape_read_position(ide_drive_t *drive) return position; } -static void idetape_create_locate_cmd(ide_drive_t *drive, idetape_pc_t *pc, +static void idetape_create_locate_cmd(ide_drive_t *drive, + struct ide_atapi_pc *pc, unsigned int block, u8 partition, int skip) { idetape_init_pc(pc); @@ -2047,12 +2009,12 @@ static void idetape_create_locate_cmd(ide_drive_t *drive, idetape_pc_t *pc, pc->c[1] = 2; put_unaligned(cpu_to_be32(block), (unsigned int *) &pc->c[3]); pc->c[8] = partition; - set_bit(PC_WAIT_FOR_DSC, &pc->flags); - pc->callback = &idetape_pc_callback; + pc->flags |= PC_FLAG_WAIT_FOR_DSC; + pc->idetape_callback = &idetape_pc_callback; } -static int idetape_create_prevent_cmd(ide_drive_t *drive, idetape_pc_t *pc, - int prevent) +static int idetape_create_prevent_cmd(ide_drive_t *drive, + struct ide_atapi_pc *pc, int prevent) { idetape_tape_t *tape = drive->driver_data; @@ -2063,7 +2025,7 @@ static int idetape_create_prevent_cmd(ide_drive_t *drive, idetape_pc_t *pc, idetape_init_pc(pc); pc->c[0] = ALLOW_MEDIUM_REMOVAL; pc->c[4] = prevent; - pc->callback = &idetape_pc_callback; + pc->idetape_callback = &idetape_pc_callback; return 1; } @@ -2078,7 +2040,7 @@ static int __idetape_discard_read_pipeline(ide_drive_t *drive) /* Remove merge stage. */ cnt = tape->merge_stage_size / tape->blk_size; - if (test_and_clear_bit(IDETAPE_FILEMARK, &tape->flags)) + if (test_and_clear_bit(IDETAPE_FLAG_FILEMARK, &tape->flags)) ++cnt; /* Filemarks count as 1 sector */ tape->merge_stage_size = 0; if (tape->merge_stage != NULL) { @@ -2087,7 +2049,7 @@ static int __idetape_discard_read_pipeline(ide_drive_t *drive) } /* Clear pipeline flags. */ - clear_bit(IDETAPE_PIPELINE_ERROR, &tape->flags); + clear_bit(IDETAPE_FLAG_PIPELINE_ERR, &tape->flags); tape->chrdev_dir = IDETAPE_DIR_NONE; /* Remove pipeline stages. */ @@ -2124,7 +2086,7 @@ static int idetape_position_tape(ide_drive_t *drive, unsigned int block, { idetape_tape_t *tape = drive->driver_data; int retval; - idetape_pc_t pc; + struct ide_atapi_pc pc; if (tape->chrdev_dir == IDETAPE_DIR_READ) __idetape_discard_read_pipeline(drive); @@ -2201,46 +2163,47 @@ static void idetape_plug_pipeline(ide_drive_t *drive) if (tape->next_stage == NULL) return; if (!idetape_pipeline_active(tape)) { - set_bit(IDETAPE_PIPELINE_ACTIVE, &tape->flags); + set_bit(IDETAPE_FLAG_PIPELINE_ACTIVE, &tape->flags); idetape_activate_next_stage(drive); (void) ide_do_drive_cmd(drive, tape->active_data_rq, ide_end); } } -static void idetape_create_inquiry_cmd(idetape_pc_t *pc) +static void idetape_create_inquiry_cmd(struct ide_atapi_pc *pc) { idetape_init_pc(pc); pc->c[0] = INQUIRY; pc->c[4] = 254; - pc->request_transfer = 254; - pc->callback = &idetape_pc_callback; + pc->req_xfer = 254; + pc->idetape_callback = &idetape_pc_callback; } -static void idetape_create_rewind_cmd(ide_drive_t *drive, idetape_pc_t *pc) +static void idetape_create_rewind_cmd(ide_drive_t *drive, + struct ide_atapi_pc *pc) { idetape_init_pc(pc); pc->c[0] = REZERO_UNIT; - set_bit(PC_WAIT_FOR_DSC, &pc->flags); - pc->callback = &idetape_pc_callback; + pc->flags |= PC_FLAG_WAIT_FOR_DSC; + pc->idetape_callback = &idetape_pc_callback; } -static void idetape_create_erase_cmd(idetape_pc_t *pc) +static void idetape_create_erase_cmd(struct ide_atapi_pc *pc) { idetape_init_pc(pc); pc->c[0] = ERASE; pc->c[1] = 1; - set_bit(PC_WAIT_FOR_DSC, &pc->flags); - pc->callback = &idetape_pc_callback; + pc->flags |= PC_FLAG_WAIT_FOR_DSC; + pc->idetape_callback = &idetape_pc_callback; } -static void idetape_create_space_cmd(idetape_pc_t *pc, int count, u8 cmd) +static void idetape_create_space_cmd(struct ide_atapi_pc *pc, int count, u8 cmd) { idetape_init_pc(pc); pc->c[0] = SPACE; put_unaligned(cpu_to_be32(count), (unsigned int *) &pc->c[1]); pc->c[1] = cmd; - set_bit(PC_WAIT_FOR_DSC, &pc->flags); - pc->callback = &idetape_pc_callback; + pc->flags |= PC_FLAG_WAIT_FOR_DSC; + pc->idetape_callback = &idetape_pc_callback; } static void idetape_wait_first_stage(ide_drive_t *drive) @@ -2326,7 +2289,7 @@ static int idetape_add_chrdev_write_request(ide_drive_t *drive, int blocks) idetape_plug_pipeline(drive); } } - if (test_and_clear_bit(IDETAPE_PIPELINE_ERROR, &tape->flags)) + if (test_and_clear_bit(IDETAPE_FLAG_PIPELINE_ERR, &tape->flags)) /* Return a deferred error */ return -EIO; return blocks; @@ -2402,7 +2365,7 @@ static void idetape_empty_write_pipeline(ide_drive_t *drive) __idetape_kfree_stage(tape->merge_stage); tape->merge_stage = NULL; } - clear_bit(IDETAPE_PIPELINE_ERROR, &tape->flags); + clear_bit(IDETAPE_FLAG_PIPELINE_ERR, &tape->flags); tape->chrdev_dir = IDETAPE_DIR_NONE; /* @@ -2490,7 +2453,7 @@ static int idetape_init_read(ide_drive_t *drive, int max_stages) rq.sector = tape->first_frame; rq.nr_sectors = blocks; rq.current_nr_sectors = blocks; - if (!test_bit(IDETAPE_PIPELINE_ERROR, &tape->flags) && + if (!test_bit(IDETAPE_FLAG_PIPELINE_ERR, &tape->flags) && tape->nr_stages < max_stages) { new_stage = idetape_kmalloc_stage(tape); while (new_stage != NULL) { @@ -2527,13 +2490,13 @@ static int idetape_add_chrdev_read_request(ide_drive_t *drive, int blocks) debug_log(DBG_PROCS, "Enter %s, %d blocks\n", __func__, blocks); /* If we are at a filemark, return a read length of 0 */ - if (test_bit(IDETAPE_FILEMARK, &tape->flags)) + if (test_bit(IDETAPE_FLAG_FILEMARK, &tape->flags)) return 0; /* Wait for the next block to reach the head of the pipeline. */ idetape_init_read(drive, tape->max_stages); if (tape->first_stage == NULL) { - if (test_bit(IDETAPE_PIPELINE_ERROR, &tape->flags)) + if (test_bit(IDETAPE_FLAG_PIPELINE_ERR, &tape->flags)) return 0; return idetape_queue_rw_tail(drive, REQ_IDETAPE_READ, blocks, tape->merge_stage->bh); @@ -2550,7 +2513,7 @@ static int idetape_add_chrdev_read_request(ide_drive_t *drive, int blocks) else { idetape_switch_buffers(tape, tape->first_stage); if (rq_ptr->errors == IDETAPE_ERROR_FILEMARK) - set_bit(IDETAPE_FILEMARK, &tape->flags); + set_bit(IDETAPE_FLAG_FILEMARK, &tape->flags); spin_lock_irqsave(&tape->lock, flags); idetape_remove_stage_head(drive); spin_unlock_irqrestore(&tape->lock, flags); @@ -2618,7 +2581,7 @@ static int idetape_pipeline_size(ide_drive_t *drive) static int idetape_rewind_tape(ide_drive_t *drive) { int retval; - idetape_pc_t pc; + struct ide_atapi_pc pc; idetape_tape_t *tape; tape = drive->driver_data; @@ -2681,7 +2644,7 @@ static int idetape_space_over_filemarks(ide_drive_t *drive, short mt_op, int mt_count) { idetape_tape_t *tape = drive->driver_data; - idetape_pc_t pc; + struct ide_atapi_pc pc; unsigned long flags; int retval, count = 0; int sprev = !!(tape->caps[4] & 0x20); @@ -2697,12 +2660,13 @@ static int idetape_space_over_filemarks(ide_drive_t *drive, short mt_op, if (tape->chrdev_dir == IDETAPE_DIR_READ) { /* its a read-ahead buffer, scan it for crossed filemarks. */ tape->merge_stage_size = 0; - if (test_and_clear_bit(IDETAPE_FILEMARK, &tape->flags)) + if (test_and_clear_bit(IDETAPE_FLAG_FILEMARK, &tape->flags)) ++count; while (tape->first_stage != NULL) { if (count == mt_count) { if (mt_op == MTFSFM) - set_bit(IDETAPE_FILEMARK, &tape->flags); + set_bit(IDETAPE_FLAG_FILEMARK, + &tape->flags); return 0; } spin_lock_irqsave(&tape->lock, flags); @@ -2786,7 +2750,7 @@ static ssize_t idetape_chrdev_read(struct file *file, char __user *buf, debug_log(DBG_CHRDEV, "Enter %s, count %Zd\n", __func__, count); if (tape->chrdev_dir != IDETAPE_DIR_READ) { - if (test_bit(IDETAPE_DETECT_BS, &tape->flags)) + if (test_bit(IDETAPE_FLAG_DETECT_BS, &tape->flags)) if (count > tape->blk_size && (count % tape->blk_size) == 0) tape->user_bs_factor = count / tape->blk_size; @@ -2829,7 +2793,7 @@ static ssize_t idetape_chrdev_read(struct file *file, char __user *buf, tape->merge_stage_size = bytes_read-temp; } finish: - if (!actually_read && test_bit(IDETAPE_FILEMARK, &tape->flags)) { + if (!actually_read && test_bit(IDETAPE_FLAG_FILEMARK, &tape->flags)) { debug_log(DBG_SENSE, "%s: spacing over filemark\n", tape->name); idetape_space_over_filemarks(drive, MTFSF, 1); @@ -2938,7 +2902,7 @@ static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf, static int idetape_write_filemark(ide_drive_t *drive) { - idetape_pc_t pc; + struct ide_atapi_pc pc; /* Write a filemark */ idetape_create_write_filemark_cmd(drive, &pc, 1); @@ -2966,7 +2930,7 @@ static int idetape_write_filemark(ide_drive_t *drive) static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) { idetape_tape_t *tape = drive->driver_data; - idetape_pc_t pc; + struct ide_atapi_pc pc; int i, retval; debug_log(DBG_ERR, "Handling MTIOCTOP ioctl: mt_op=%d, mt_count=%d\n", @@ -3022,7 +2986,7 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) !IDETAPE_LU_LOAD_MASK); retval = idetape_queue_pc_tail(drive, &pc); if (!retval) - clear_bit(IDETAPE_MEDIUM_PRESENT, &tape->flags); + clear_bit(IDETAPE_FLAG_MEDIUM_PRESENT, &tape->flags); return retval; case MTNOP: idetape_discard_read_pipeline(drive, 0); @@ -3045,9 +3009,9 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count) mt_count % tape->blk_size) return -EIO; tape->user_bs_factor = mt_count / tape->blk_size; - clear_bit(IDETAPE_DETECT_BS, &tape->flags); + clear_bit(IDETAPE_FLAG_DETECT_BS, &tape->flags); } else - set_bit(IDETAPE_DETECT_BS, &tape->flags); + set_bit(IDETAPE_FLAG_DETECT_BS, &tape->flags); return 0; case MTSEEK: idetape_discard_read_pipeline(drive, 0); @@ -3149,7 +3113,7 @@ static int idetape_chrdev_ioctl(struct inode *inode, struct file *file, static void ide_tape_get_bsize_from_bdesc(ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; - idetape_pc_t pc; + struct ide_atapi_pc pc; idetape_create_mode_sense_cmd(&pc, IDETAPE_BLOCK_DESCRIPTOR); if (idetape_queue_pc_tail(drive, &pc)) { @@ -3161,10 +3125,10 @@ static void ide_tape_get_bsize_from_bdesc(ide_drive_t *drive) } return; } - tape->blk_size = (pc.buffer[4 + 5] << 16) + - (pc.buffer[4 + 6] << 8) + - pc.buffer[4 + 7]; - tape->drv_write_prot = (pc.buffer[2] & 0x80) >> 7; + tape->blk_size = (pc.buf[4 + 5] << 16) + + (pc.buf[4 + 6] << 8) + + pc.buf[4 + 7]; + tape->drv_write_prot = (pc.buf[2] & 0x80) >> 7; } static int idetape_chrdev_open(struct inode *inode, struct file *filp) @@ -3172,7 +3136,7 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp) unsigned int minor = iminor(inode), i = minor & ~0xc0; ide_drive_t *drive; idetape_tape_t *tape; - idetape_pc_t pc; + struct ide_atapi_pc pc; int retval; if (i >= MAX_HWIFS * MAX_DRIVES) @@ -3195,24 +3159,24 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp) filp->private_data = tape; - if (test_and_set_bit(IDETAPE_BUSY, &tape->flags)) { + if (test_and_set_bit(IDETAPE_FLAG_BUSY, &tape->flags)) { retval = -EBUSY; goto out_put_tape; } retval = idetape_wait_ready(drive, 60 * HZ); if (retval) { - clear_bit(IDETAPE_BUSY, &tape->flags); + clear_bit(IDETAPE_FLAG_BUSY, &tape->flags); printk(KERN_ERR "ide-tape: %s: drive not ready\n", tape->name); goto out_put_tape; } idetape_read_position(drive); - if (!test_bit(IDETAPE_ADDRESS_VALID, &tape->flags)) + if (!test_bit(IDETAPE_FLAG_ADDRESS_VALID, &tape->flags)) (void)idetape_rewind_tape(drive); if (tape->chrdev_dir != IDETAPE_DIR_READ) - clear_bit(IDETAPE_PIPELINE_ERROR, &tape->flags); + clear_bit(IDETAPE_FLAG_PIPELINE_ERR, &tape->flags); /* Read block size and write protect status from drive. */ ide_tape_get_bsize_from_bdesc(drive); @@ -3227,7 +3191,7 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp) if (tape->write_prot) { if ((filp->f_flags & O_ACCMODE) == O_WRONLY || (filp->f_flags & O_ACCMODE) == O_RDWR) { - clear_bit(IDETAPE_BUSY, &tape->flags); + clear_bit(IDETAPE_FLAG_BUSY, &tape->flags); retval = -EROFS; goto out_put_tape; } @@ -3272,7 +3236,7 @@ static int idetape_chrdev_release(struct inode *inode, struct file *filp) { struct ide_tape_obj *tape = ide_tape_f(filp); ide_drive_t *drive = tape->drive; - idetape_pc_t pc; + struct ide_atapi_pc pc; unsigned int minor = iminor(inode); lock_kernel(); @@ -3292,7 +3256,7 @@ static int idetape_chrdev_release(struct inode *inode, struct file *filp) __idetape_kfree_stage(tape->cache_stage); tape->cache_stage = NULL; } - if (minor < 128 && test_bit(IDETAPE_MEDIUM_PRESENT, &tape->flags)) + if (minor < 128 && test_bit(IDETAPE_FLAG_MEDIUM_PRESENT, &tape->flags)) (void) idetape_rewind_tape(drive); if (tape->chrdev_dir == IDETAPE_DIR_NONE) { if (tape->door_locked == DOOR_LOCKED) { @@ -3302,7 +3266,7 @@ static int idetape_chrdev_release(struct inode *inode, struct file *filp) } } } - clear_bit(IDETAPE_BUSY, &tape->flags); + clear_bit(IDETAPE_FLAG_BUSY, &tape->flags); ide_tape_put(tape); unlock_kernel(); return 0; @@ -3350,7 +3314,7 @@ static int idetape_identify_device(ide_drive_t *drive) static void idetape_get_inquiry_results(ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; - idetape_pc_t pc; + struct ide_atapi_pc pc; char fw_rev[6], vendor_id[10], product_id[18]; idetape_create_inquiry_cmd(&pc); @@ -3359,9 +3323,9 @@ static void idetape_get_inquiry_results(ide_drive_t *drive) tape->name); return; } - memcpy(vendor_id, &pc.buffer[8], 8); - memcpy(product_id, &pc.buffer[16], 16); - memcpy(fw_rev, &pc.buffer[32], 4); + memcpy(vendor_id, &pc.buf[8], 8); + memcpy(product_id, &pc.buf[16], 16); + memcpy(fw_rev, &pc.buf[32], 4); ide_fixstring(vendor_id, 10, 0); ide_fixstring(product_id, 18, 0); @@ -3378,7 +3342,7 @@ static void idetape_get_inquiry_results(ide_drive_t *drive) static void idetape_get_mode_sense_results(ide_drive_t *drive) { idetape_tape_t *tape = drive->driver_data; - idetape_pc_t pc; + struct ide_atapi_pc pc; u8 *caps; u8 speed, max_speed; @@ -3392,7 +3356,7 @@ static void idetape_get_mode_sense_results(ide_drive_t *drive) put_unaligned(6*52, (u16 *)&tape->caps[16]); return; } - caps = pc.buffer + 4 + pc.buffer[3]; + caps = pc.buf + 4 + pc.buf[3]; /* convert to host order and save for later use */ speed = be16_to_cpu(*(u16 *)&caps[14]); @@ -3506,7 +3470,7 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor) /* Command packet DRQ type */ if (((gcw[0] & 0x60) >> 5) == 1) - set_bit(IDETAPE_DRQ_INTERRUPT, &tape->flags); + set_bit(IDETAPE_FLAG_DRQ_INTERRUPT, &tape->flags); tape->min_pipeline = 10; tape->max_pipeline = 10; |