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ide-floppy: convert driver to using generic ide_atapi_pc
Signed-off-by: Borislav Petkov <petkovbb@gmail.com> Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Borislav Petkov
Bartlomiej Zolnierkiewicz
parent
d236d74c0d
commit
8e55512391
@ -78,26 +78,6 @@
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*/
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#define IDEFLOPPY_PC_STACK (10 + IDEFLOPPY_MAX_PC_RETRIES)
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typedef struct idefloppy_packet_command_s {
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u8 c[12]; /* Actual packet bytes */
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int retries; /* On each retry, we increment
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retries */
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int error; /* Error code */
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int request_transfer; /* Bytes to transfer */
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int actually_transferred; /* Bytes actually transferred */
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int buffer_size; /* Size of our data buffer */
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int b_count; /* Missing/Available data on
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the current buffer */
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struct request *rq; /* The corresponding request */
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u8 *buffer; /* Data buffer */
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u8 *current_position; /* Pointer into above buffer */
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void (*callback) (ide_drive_t *); /* Called when this packet
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command is completed */
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u8 pc_buffer[IDEFLOPPY_PC_BUFFER_SIZE]; /* Temporary buffer */
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unsigned long flags; /* Status/Action bit flags: long
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for set_bit */
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} idefloppy_pc_t;
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/* Packet command flag bits. */
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enum {
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/* 1 when we prefer to use DMA if possible */
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@ -131,11 +111,11 @@ typedef struct ide_floppy_obj {
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unsigned int openers; /* protected by BKL for now */
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/* Current packet command */
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idefloppy_pc_t *pc;
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struct ide_atapi_pc *pc;
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/* Last failed packet command */
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idefloppy_pc_t *failed_pc;
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struct ide_atapi_pc *failed_pc;
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/* Packet command stack */
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idefloppy_pc_t pc_stack[IDEFLOPPY_PC_STACK];
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struct ide_atapi_pc pc_stack[IDEFLOPPY_PC_STACK];
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/* Next free packet command storage space */
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int pc_stack_index;
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struct request rq_stack[IDEFLOPPY_PC_STACK];
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@ -262,7 +242,7 @@ static int idefloppy_do_end_request(ide_drive_t *drive, int uptodate, int nsecs)
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return 0;
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}
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static void ide_floppy_io_buffers(ide_drive_t *drive, idefloppy_pc_t *pc,
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static void ide_floppy_io_buffers(ide_drive_t *drive, struct ide_atapi_pc *pc,
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unsigned int bcount, int direction)
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{
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struct request *rq = pc->rq;
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@ -302,7 +282,8 @@ static void ide_floppy_io_buffers(ide_drive_t *drive, idefloppy_pc_t *pc,
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}
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}
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static void idefloppy_update_buffers(ide_drive_t *drive, idefloppy_pc_t *pc)
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static void idefloppy_update_buffers(ide_drive_t *drive,
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struct ide_atapi_pc *pc)
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{
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struct request *rq = pc->rq;
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struct bio *bio = rq->bio;
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@ -316,7 +297,7 @@ static void idefloppy_update_buffers(ide_drive_t *drive, idefloppy_pc_t *pc)
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* the current request so that it will be processed immediately, on the next
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* pass through the driver.
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*/
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static void idefloppy_queue_pc_head(ide_drive_t *drive, idefloppy_pc_t *pc,
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static void idefloppy_queue_pc_head(ide_drive_t *drive, struct ide_atapi_pc *pc,
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struct request *rq)
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{
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struct ide_floppy_obj *floppy = drive->driver_data;
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@ -328,7 +309,7 @@ static void idefloppy_queue_pc_head(ide_drive_t *drive, idefloppy_pc_t *pc,
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(void) ide_do_drive_cmd(drive, rq, ide_preempt);
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}
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static idefloppy_pc_t *idefloppy_next_pc_storage(ide_drive_t *drive)
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static struct ide_atapi_pc *idefloppy_next_pc_storage(ide_drive_t *drive)
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{
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idefloppy_floppy_t *floppy = drive->driver_data;
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@ -349,7 +330,7 @@ static struct request *idefloppy_next_rq_storage(ide_drive_t *drive)
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static void idefloppy_request_sense_callback(ide_drive_t *drive)
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{
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idefloppy_floppy_t *floppy = drive->driver_data;
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u8 *buf = floppy->pc->buffer;
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u8 *buf = floppy->pc->buf;
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debug_log("Reached %s\n", __func__);
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@ -392,24 +373,24 @@ static void idefloppy_pc_callback(ide_drive_t *drive)
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idefloppy_do_end_request(drive, floppy->pc->error ? 0 : 1, 0);
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}
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static void idefloppy_init_pc(idefloppy_pc_t *pc)
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static void idefloppy_init_pc(struct ide_atapi_pc *pc)
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{
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memset(pc->c, 0, 12);
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pc->retries = 0;
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pc->flags = 0;
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pc->request_transfer = 0;
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pc->buffer = pc->pc_buffer;
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pc->buffer_size = IDEFLOPPY_PC_BUFFER_SIZE;
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pc->callback = &idefloppy_pc_callback;
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pc->req_xfer = 0;
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pc->buf = pc->pc_buf;
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pc->buf_size = IDEFLOPPY_PC_BUFFER_SIZE;
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pc->idefloppy_callback = &idefloppy_pc_callback;
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}
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static void idefloppy_create_request_sense_cmd(idefloppy_pc_t *pc)
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static void idefloppy_create_request_sense_cmd(struct ide_atapi_pc *pc)
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{
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idefloppy_init_pc(pc);
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pc->c[0] = GPCMD_REQUEST_SENSE;
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pc->c[4] = 255;
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pc->request_transfer = 18;
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pc->callback = &idefloppy_request_sense_callback;
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pc->req_xfer = 18;
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pc->idefloppy_callback = &idefloppy_request_sense_callback;
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}
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/*
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@ -418,7 +399,7 @@ static void idefloppy_create_request_sense_cmd(idefloppy_pc_t *pc)
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*/
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static void idefloppy_retry_pc(ide_drive_t *drive)
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{
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idefloppy_pc_t *pc;
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struct ide_atapi_pc *pc;
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struct request *rq;
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(void)ide_read_error(drive);
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@ -433,7 +414,7 @@ static ide_startstop_t idefloppy_pc_intr (ide_drive_t *drive)
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{
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idefloppy_floppy_t *floppy = drive->driver_data;
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ide_hwif_t *hwif = drive->hwif;
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idefloppy_pc_t *pc = floppy->pc;
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struct ide_atapi_pc *pc = floppy->pc;
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struct request *rq = pc->rq;
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xfer_func_t *xferfunc;
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unsigned int temp;
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@ -450,7 +431,7 @@ static ide_startstop_t idefloppy_pc_intr (ide_drive_t *drive)
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rq_data_dir(rq) ? "write" : "read");
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pc->flags |= PC_FLAG_DMA_ERROR;
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} else {
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pc->actually_transferred = pc->request_transfer;
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pc->xferred = pc->req_xfer;
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idefloppy_update_buffers(drive, pc);
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}
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debug_log("DMA finished\n");
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@ -462,7 +443,7 @@ static ide_startstop_t idefloppy_pc_intr (ide_drive_t *drive)
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/* No more interrupts */
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if ((stat & DRQ_STAT) == 0) {
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debug_log("Packet command completed, %d bytes transferred\n",
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pc->actually_transferred);
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pc->xferred);
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pc->flags &= ~PC_FLAG_DMA_IN_PROGRESS;
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local_irq_enable_in_hardirq();
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@ -485,7 +466,7 @@ static ide_startstop_t idefloppy_pc_intr (ide_drive_t *drive)
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if (floppy->failed_pc == pc)
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floppy->failed_pc = NULL;
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/* Command finished - Call the callback function */
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pc->callback(drive);
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pc->idefloppy_callback(drive);
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return ide_stopped;
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}
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@ -517,9 +498,9 @@ static ide_startstop_t idefloppy_pc_intr (ide_drive_t *drive)
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}
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if (!(pc->flags & PC_FLAG_WRITING)) {
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/* Reading - Check that we have enough space */
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temp = pc->actually_transferred + bcount;
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if (temp > pc->request_transfer) {
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if (temp > pc->buffer_size) {
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temp = pc->xferred + bcount;
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if (temp > pc->req_xfer) {
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if (temp > pc->buf_size) {
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printk(KERN_ERR "ide-floppy: The floppy wants "
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"to send us more data than expected "
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"- discarding data\n");
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@ -540,15 +521,15 @@ static ide_startstop_t idefloppy_pc_intr (ide_drive_t *drive)
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else
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xferfunc = hwif->atapi_input_bytes;
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if (pc->buffer)
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xferfunc(drive, pc->current_position, bcount);
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if (pc->buf)
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xferfunc(drive, pc->cur_pos, bcount);
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else
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ide_floppy_io_buffers(drive, pc, bcount,
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!!(pc->flags & PC_FLAG_WRITING));
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/* Update the current position */
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pc->actually_transferred += bcount;
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pc->current_position += bcount;
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pc->xferred += bcount;
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pc->cur_pos += bcount;
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/* And set the interrupt handler again */
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ide_set_handler(drive, &idefloppy_pc_intr, IDEFLOPPY_WAIT_CMD, NULL);
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@ -640,7 +621,7 @@ static ide_startstop_t idefloppy_transfer_pc1(ide_drive_t *drive)
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}
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static void ide_floppy_report_error(idefloppy_floppy_t *floppy,
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idefloppy_pc_t *pc)
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struct ide_atapi_pc *pc)
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{
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/* supress error messages resulting from Medium not present */
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if (floppy->sense_key == 0x02 &&
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@ -656,7 +637,7 @@ static void ide_floppy_report_error(idefloppy_floppy_t *floppy,
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}
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static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive,
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idefloppy_pc_t *pc)
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struct ide_atapi_pc *pc)
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{
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idefloppy_floppy_t *floppy = drive->driver_data;
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ide_hwif_t *hwif = drive->hwif;
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@ -677,7 +658,7 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive,
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pc->error = IDEFLOPPY_ERROR_GENERAL;
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floppy->failed_pc = NULL;
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pc->callback(drive);
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pc->idefloppy_callback(drive);
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return ide_stopped;
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}
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@ -685,9 +666,9 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive,
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pc->retries++;
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/* We haven't transferred any data yet */
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pc->actually_transferred = 0;
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pc->current_position = pc->buffer;
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bcount = min(pc->request_transfer, 63 * 1024);
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pc->xferred = 0;
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pc->cur_pos = pc->buf;
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bcount = min(pc->req_xfer, 63 * 1024);
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if (pc->flags & PC_FLAG_DMA_ERROR) {
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pc->flags &= ~PC_FLAG_DMA_ERROR;
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@ -715,7 +696,7 @@ static ide_startstop_t idefloppy_issue_pc(ide_drive_t *drive,
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/* immediate */
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pkt_xfer_routine = &idefloppy_transfer_pc;
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}
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if (floppy->flags & IDEFLOPPY_FLAG_DRQ_INTERRUPT) {
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/* Issue the packet command */
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ide_execute_command(drive, WIN_PACKETCMD,
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@ -738,7 +719,7 @@ static void idefloppy_rw_callback(ide_drive_t *drive)
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return;
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}
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static void idefloppy_create_prevent_cmd(idefloppy_pc_t *pc, int prevent)
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static void idefloppy_create_prevent_cmd(struct ide_atapi_pc *pc, int prevent)
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{
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debug_log("creating prevent removal command, prevent = %d\n", prevent);
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@ -747,39 +728,39 @@ static void idefloppy_create_prevent_cmd(idefloppy_pc_t *pc, int prevent)
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pc->c[4] = prevent;
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}
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static void idefloppy_create_read_capacity_cmd(idefloppy_pc_t *pc)
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static void idefloppy_create_read_capacity_cmd(struct ide_atapi_pc *pc)
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{
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idefloppy_init_pc(pc);
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pc->c[0] = GPCMD_READ_FORMAT_CAPACITIES;
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pc->c[7] = 255;
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pc->c[8] = 255;
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pc->request_transfer = 255;
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pc->req_xfer = 255;
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}
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static void idefloppy_create_format_unit_cmd(idefloppy_pc_t *pc, int b, int l,
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int flags)
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static void idefloppy_create_format_unit_cmd(struct ide_atapi_pc *pc, int b,
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int l, int flags)
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{
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idefloppy_init_pc(pc);
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pc->c[0] = GPCMD_FORMAT_UNIT;
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pc->c[1] = 0x17;
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memset(pc->buffer, 0, 12);
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pc->buffer[1] = 0xA2;
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memset(pc->buf, 0, 12);
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pc->buf[1] = 0xA2;
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/* Default format list header, u8 1: FOV/DCRT/IMM bits set */
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if (flags & 1) /* Verify bit on... */
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pc->buffer[1] ^= 0x20; /* ... turn off DCRT bit */
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pc->buffer[3] = 8;
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pc->buf[1] ^= 0x20; /* ... turn off DCRT bit */
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pc->buf[3] = 8;
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put_unaligned(cpu_to_be32(b), (unsigned int *)(&pc->buffer[4]));
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put_unaligned(cpu_to_be32(l), (unsigned int *)(&pc->buffer[8]));
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pc->buffer_size = 12;
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put_unaligned(cpu_to_be32(b), (unsigned int *)(&pc->buf[4]));
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put_unaligned(cpu_to_be32(l), (unsigned int *)(&pc->buf[8]));
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pc->buf_size = 12;
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pc->flags |= PC_FLAG_WRITING;
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}
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/* A mode sense command is used to "sense" floppy parameters. */
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static void idefloppy_create_mode_sense_cmd(idefloppy_pc_t *pc, u8 page_code,
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u8 type)
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static void idefloppy_create_mode_sense_cmd(struct ide_atapi_pc *pc,
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u8 page_code, u8 type)
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{
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u16 length = 8; /* sizeof(Mode Parameter Header) = 8 Bytes */
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@ -800,24 +781,24 @@ static void idefloppy_create_mode_sense_cmd(idefloppy_pc_t *pc, u8 page_code,
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"in create_mode_sense_cmd\n");
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}
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put_unaligned(cpu_to_be16(length), (u16 *) &pc->c[7]);
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pc->request_transfer = length;
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pc->req_xfer = length;
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}
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static void idefloppy_create_start_stop_cmd(idefloppy_pc_t *pc, int start)
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static void idefloppy_create_start_stop_cmd(struct ide_atapi_pc *pc, int start)
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{
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idefloppy_init_pc(pc);
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pc->c[0] = GPCMD_START_STOP_UNIT;
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pc->c[4] = start;
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}
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static void idefloppy_create_test_unit_ready_cmd(idefloppy_pc_t *pc)
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static void idefloppy_create_test_unit_ready_cmd(struct ide_atapi_pc *pc)
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{
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idefloppy_init_pc(pc);
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pc->c[0] = GPCMD_TEST_UNIT_READY;
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}
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static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy,
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idefloppy_pc_t *pc, struct request *rq,
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struct ide_atapi_pc *pc, struct request *rq,
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unsigned long sector)
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{
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int block = sector / floppy->bs_factor;
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@ -832,41 +813,41 @@ static void idefloppy_create_rw_cmd(idefloppy_floppy_t *floppy,
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put_unaligned(cpu_to_be16(blocks), (unsigned short *)&pc->c[7]);
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put_unaligned(cpu_to_be32(block), (unsigned int *) &pc->c[2]);
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pc->callback = &idefloppy_rw_callback;
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pc->idefloppy_callback = &idefloppy_rw_callback;
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pc->rq = rq;
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pc->b_count = cmd == READ ? 0 : rq->bio->bi_size;
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if (rq->cmd_flags & REQ_RW)
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pc->flags |= PC_FLAG_WRITING;
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pc->buffer = NULL;
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pc->request_transfer = pc->buffer_size = blocks * floppy->block_size;
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pc->buf = NULL;
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pc->req_xfer = pc->buf_size = blocks * floppy->block_size;
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pc->flags |= PC_FLAG_DMA_RECOMMENDED;
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}
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static void idefloppy_blockpc_cmd(idefloppy_floppy_t *floppy,
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idefloppy_pc_t *pc, struct request *rq)
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struct ide_atapi_pc *pc, struct request *rq)
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{
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idefloppy_init_pc(pc);
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pc->callback = &idefloppy_rw_callback;
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pc->idefloppy_callback = &idefloppy_rw_callback;
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memcpy(pc->c, rq->cmd, sizeof(pc->c));
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pc->rq = rq;
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pc->b_count = rq->data_len;
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if (rq->data_len && rq_data_dir(rq) == WRITE)
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pc->flags |= PC_FLAG_WRITING;
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pc->buffer = rq->data;
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pc->buf = rq->data;
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if (rq->bio)
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pc->flags |= PC_FLAG_DMA_RECOMMENDED;
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/*
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* possibly problematic, doesn't look like ide-floppy correctly
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* handled scattered requests if dma fails...
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*/
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pc->request_transfer = pc->buffer_size = rq->data_len;
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pc->req_xfer = pc->buf_size = rq->data_len;
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}
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static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
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struct request *rq, sector_t block_s)
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{
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idefloppy_floppy_t *floppy = drive->driver_data;
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idefloppy_pc_t *pc;
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struct ide_atapi_pc *pc;
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unsigned long block = (unsigned long)block_s;
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debug_log("dev: %s, cmd_type: %x, errors: %d\n",
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@ -896,7 +877,7 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
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pc = idefloppy_next_pc_storage(drive);
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idefloppy_create_rw_cmd(floppy, pc, rq, block);
|
||||
} else if (blk_special_request(rq)) {
|
||||
pc = (idefloppy_pc_t *) rq->buffer;
|
||||
pc = (struct ide_atapi_pc *) rq->buffer;
|
||||
} else if (blk_pc_request(rq)) {
|
||||
pc = idefloppy_next_pc_storage(drive);
|
||||
idefloppy_blockpc_cmd(floppy, pc, rq);
|
||||
@ -915,7 +896,7 @@ static ide_startstop_t idefloppy_do_request(ide_drive_t *drive,
|
||||
* Add a special packet command request to the tail of the request queue,
|
||||
* and wait for it to be serviced.
|
||||
*/
|
||||
static int idefloppy_queue_pc_tail(ide_drive_t *drive, idefloppy_pc_t *pc)
|
||||
static int idefloppy_queue_pc_tail(ide_drive_t *drive, struct ide_atapi_pc *pc)
|
||||
{
|
||||
struct ide_floppy_obj *floppy = drive->driver_data;
|
||||
struct request rq;
|
||||
@ -935,7 +916,7 @@ static int idefloppy_queue_pc_tail(ide_drive_t *drive, idefloppy_pc_t *pc)
|
||||
static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
|
||||
{
|
||||
idefloppy_floppy_t *floppy = drive->driver_data;
|
||||
idefloppy_pc_t pc;
|
||||
struct ide_atapi_pc pc;
|
||||
u8 *page;
|
||||
int capacity, lba_capacity;
|
||||
u16 transfer_rate, sector_size, cyls, rpm;
|
||||
@ -949,16 +930,16 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
|
||||
" parameters\n");
|
||||
return 1;
|
||||
}
|
||||
floppy->wp = !!(pc.buffer[3] & 0x80);
|
||||
floppy->wp = !!(pc.buf[3] & 0x80);
|
||||
set_disk_ro(floppy->disk, floppy->wp);
|
||||
page = &pc.buffer[8];
|
||||
page = &pc.buf[8];
|
||||
|
||||
transfer_rate = be16_to_cpu(*(u16 *)&pc.buffer[8 + 2]);
|
||||
sector_size = be16_to_cpu(*(u16 *)&pc.buffer[8 + 6]);
|
||||
cyls = be16_to_cpu(*(u16 *)&pc.buffer[8 + 8]);
|
||||
rpm = be16_to_cpu(*(u16 *)&pc.buffer[8 + 28]);
|
||||
heads = pc.buffer[8 + 4];
|
||||
sectors = pc.buffer[8 + 5];
|
||||
transfer_rate = be16_to_cpu(*(u16 *)&pc.buf[8 + 2]);
|
||||
sector_size = be16_to_cpu(*(u16 *)&pc.buf[8 + 6]);
|
||||
cyls = be16_to_cpu(*(u16 *)&pc.buf[8 + 8]);
|
||||
rpm = be16_to_cpu(*(u16 *)&pc.buf[8 + 28]);
|
||||
heads = pc.buf[8 + 4];
|
||||
sectors = pc.buf[8 + 5];
|
||||
|
||||
capacity = cyls * heads * sectors * sector_size;
|
||||
|
||||
@ -987,7 +968,7 @@ static int ide_floppy_get_flexible_disk_page(ide_drive_t *drive)
|
||||
static int idefloppy_get_sfrp_bit(ide_drive_t *drive)
|
||||
{
|
||||
idefloppy_floppy_t *floppy = drive->driver_data;
|
||||
idefloppy_pc_t pc;
|
||||
struct ide_atapi_pc pc;
|
||||
|
||||
floppy->srfp = 0;
|
||||
idefloppy_create_mode_sense_cmd(&pc, IDEFLOPPY_CAPABILITIES_PAGE,
|
||||
@ -997,7 +978,7 @@ static int idefloppy_get_sfrp_bit(ide_drive_t *drive)
|
||||
if (idefloppy_queue_pc_tail(drive, &pc))
|
||||
return 1;
|
||||
|
||||
floppy->srfp = pc.buffer[8 + 2] & 0x40;
|
||||
floppy->srfp = pc.buf[8 + 2] & 0x40;
|
||||
return (0);
|
||||
}
|
||||
|
||||
@ -1008,7 +989,7 @@ static int idefloppy_get_sfrp_bit(ide_drive_t *drive)
|
||||
static int ide_floppy_get_capacity(ide_drive_t *drive)
|
||||
{
|
||||
idefloppy_floppy_t *floppy = drive->driver_data;
|
||||
idefloppy_pc_t pc;
|
||||
struct ide_atapi_pc pc;
|
||||
u8 *cap_desc;
|
||||
u8 header_len, desc_cnt;
|
||||
int i, rc = 1, blocks, length;
|
||||
@ -1024,15 +1005,15 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
|
||||
printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n");
|
||||
return 1;
|
||||
}
|
||||
header_len = pc.buffer[3];
|
||||
cap_desc = &pc.buffer[4];
|
||||
header_len = pc.buf[3];
|
||||
cap_desc = &pc.buf[4];
|
||||
desc_cnt = header_len / 8; /* capacity descriptor of 8 bytes */
|
||||
|
||||
for (i = 0; i < desc_cnt; i++) {
|
||||
unsigned int desc_start = 4 + i*8;
|
||||
|
||||
blocks = be32_to_cpu(*(u32 *)&pc.buffer[desc_start]);
|
||||
length = be16_to_cpu(*(u16 *)&pc.buffer[desc_start + 6]);
|
||||
blocks = be32_to_cpu(*(u32 *)&pc.buf[desc_start]);
|
||||
length = be16_to_cpu(*(u16 *)&pc.buf[desc_start + 6]);
|
||||
|
||||
debug_log("Descriptor %d: %dkB, %d blocks, %d sector size\n",
|
||||
i, blocks * length / 1024, blocks, length);
|
||||
@ -1043,7 +1024,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
|
||||
* the code below is valid only for the 1st descriptor, ie i=0
|
||||
*/
|
||||
|
||||
switch (pc.buffer[desc_start + 4] & 0x03) {
|
||||
switch (pc.buf[desc_start + 4] & 0x03) {
|
||||
/* Clik! drive returns this instead of CAPACITY_CURRENT */
|
||||
case CAPACITY_UNFORMATTED:
|
||||
if (!(floppy->flags & IDEFLOPPY_FLAG_CLIK_DRIVE))
|
||||
@ -1088,7 +1069,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
|
||||
break;
|
||||
}
|
||||
debug_log("Descriptor 0 Code: %d\n",
|
||||
pc.buffer[desc_start + 4] & 0x03);
|
||||
pc.buf[desc_start + 4] & 0x03);
|
||||
}
|
||||
|
||||
/* Clik! disk does not support get_flexible_disk_page */
|
||||
@ -1120,7 +1101,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
|
||||
|
||||
static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg)
|
||||
{
|
||||
idefloppy_pc_t pc;
|
||||
struct ide_atapi_pc pc;
|
||||
u8 header_len, desc_cnt;
|
||||
int i, blocks, length, u_array_size, u_index;
|
||||
int __user *argp;
|
||||
@ -1136,7 +1117,7 @@ static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg)
|
||||
printk(KERN_ERR "ide-floppy: Can't get floppy parameters\n");
|
||||
return (-EIO);
|
||||
}
|
||||
header_len = pc.buffer[3];
|
||||
header_len = pc.buf[3];
|
||||
desc_cnt = header_len / 8; /* capacity descriptor of 8 bytes */
|
||||
|
||||
u_index = 0;
|
||||
@ -1153,8 +1134,8 @@ static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg)
|
||||
if (u_index >= u_array_size)
|
||||
break; /* User-supplied buffer too small */
|
||||
|
||||
blocks = be32_to_cpu(*(u32 *)&pc.buffer[desc_start]);
|
||||
length = be16_to_cpu(*(u16 *)&pc.buffer[desc_start + 6]);
|
||||
blocks = be32_to_cpu(*(u32 *)&pc.buf[desc_start]);
|
||||
length = be16_to_cpu(*(u16 *)&pc.buf[desc_start + 6]);
|
||||
|
||||
if (put_user(blocks, argp))
|
||||
return(-EFAULT);
|
||||
@ -1185,7 +1166,7 @@ static int ide_floppy_get_format_capacities(ide_drive_t *drive, int __user *arg)
|
||||
static int idefloppy_get_format_progress(ide_drive_t *drive, int __user *arg)
|
||||
{
|
||||
idefloppy_floppy_t *floppy = drive->driver_data;
|
||||
idefloppy_pc_t pc;
|
||||
struct ide_atapi_pc pc;
|
||||
int progress_indication = 0x10000;
|
||||
|
||||
if (floppy->srfp) {
|
||||
@ -1391,7 +1372,7 @@ static int idefloppy_open(struct inode *inode, struct file *filp)
|
||||
struct gendisk *disk = inode->i_bdev->bd_disk;
|
||||
struct ide_floppy_obj *floppy;
|
||||
ide_drive_t *drive;
|
||||
idefloppy_pc_t pc;
|
||||
struct ide_atapi_pc pc;
|
||||
int ret = 0;
|
||||
|
||||
debug_log("Reached %s\n", __func__);
|
||||
@ -1454,7 +1435,7 @@ static int idefloppy_release(struct inode *inode, struct file *filp)
|
||||
struct gendisk *disk = inode->i_bdev->bd_disk;
|
||||
struct ide_floppy_obj *floppy = ide_floppy_g(disk);
|
||||
ide_drive_t *drive = floppy->drive;
|
||||
idefloppy_pc_t pc;
|
||||
struct ide_atapi_pc pc;
|
||||
|
||||
debug_log("Reached %s\n", __func__);
|
||||
|
||||
@ -1486,8 +1467,8 @@ static int idefloppy_getgeo(struct block_device *bdev, struct hd_geometry *geo)
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int ide_floppy_lockdoor(idefloppy_floppy_t *floppy, idefloppy_pc_t *pc,
|
||||
unsigned long arg, unsigned int cmd)
|
||||
static int ide_floppy_lockdoor(idefloppy_floppy_t *floppy,
|
||||
struct ide_atapi_pc *pc, unsigned long arg, unsigned int cmd)
|
||||
{
|
||||
if (floppy->openers > 1)
|
||||
return -EBUSY;
|
||||
@ -1516,7 +1497,7 @@ static int ide_floppy_format_unit(idefloppy_floppy_t *floppy,
|
||||
int __user *arg)
|
||||
{
|
||||
int blocks, length, flags, err = 0;
|
||||
idefloppy_pc_t pc;
|
||||
struct ide_atapi_pc pc;
|
||||
|
||||
if (floppy->openers > 1) {
|
||||
/* Don't format if someone is using the disk */
|
||||
@ -1567,7 +1548,7 @@ static int idefloppy_ioctl(struct inode *inode, struct file *file,
|
||||
struct block_device *bdev = inode->i_bdev;
|
||||
struct ide_floppy_obj *floppy = ide_floppy_g(bdev->bd_disk);
|
||||
ide_drive_t *drive = floppy->drive;
|
||||
idefloppy_pc_t pc;
|
||||
struct ide_atapi_pc pc;
|
||||
void __user *argp = (void __user *)arg;
|
||||
int err;
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user