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-rw-r--r--drivers/ide/ide-tape.c102
1 files changed, 49 insertions, 53 deletions
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index 1d74f159bcc4..3468ece98496 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -47,28 +47,13 @@
#include <asm/unaligned.h>
#include <linux/mtio.h>
-enum {
- /* output errors only */
- DBG_ERR = (1 << 0),
- /* output all sense key/asc */
- DBG_SENSE = (1 << 1),
- /* info regarding all chrdev-related procedures */
- DBG_CHRDEV = (1 << 2),
- /* all remaining procedures */
- DBG_PROCS = (1 << 3),
-};
-
/* define to see debug info */
-#define IDETAPE_DEBUG_LOG 0
+#undef IDETAPE_DEBUG_LOG
-#if IDETAPE_DEBUG_LOG
-#define debug_log(lvl, fmt, args...) \
-{ \
- if (tape->debug_mask & lvl) \
- printk(KERN_INFO "ide-tape: " fmt, ## args); \
-}
+#ifdef IDETAPE_DEBUG_LOG
+#define ide_debug_log(lvl, fmt, args...) __ide_debug_log(lvl, fmt, ## args)
#else
-#define debug_log(lvl, fmt, args...) do {} while (0)
+#define ide_debug_log(lvl, fmt, args...) do {} while (0)
#endif
/**************************** Tunable parameters *****************************/
@@ -230,8 +215,6 @@ typedef struct ide_tape_obj {
char drv_write_prot;
/* the tape is write protected (hardware or opened as read-only) */
char write_prot;
-
- u32 debug_mask;
} idetape_tape_t;
static DEFINE_MUTEX(idetape_ref_mutex);
@@ -290,8 +273,9 @@ static void idetape_analyze_error(ide_drive_t *drive)
tape->asc = sense[12];
tape->ascq = sense[13];
- debug_log(DBG_ERR, "pc = %x, sense key = %x, asc = %x, ascq = %x\n",
- pc->c[0], tape->sense_key, tape->asc, tape->ascq);
+ ide_debug_log(IDE_DBG_FUNC,
+ "cmd: 0x%x, sense key = %x, asc = %x, ascq = %x",
+ rq->cmd[0], tape->sense_key, tape->asc, tape->ascq);
/* correct remaining bytes to transfer */
if (pc->flags & PC_FLAG_DMA_ERROR)
@@ -344,7 +328,8 @@ static int ide_tape_callback(ide_drive_t *drive, int dsc)
int uptodate = pc->error ? 0 : 1;
int err = uptodate ? 0 : IDE_DRV_ERROR_GENERAL;
- debug_log(DBG_PROCS, "Enter %s\n", __func__);
+ ide_debug_log(IDE_DBG_FUNC, "cmd: 0x%x, dsc: %d, err: %d", rq->cmd[0],
+ dsc, err);
if (dsc)
ide_tape_handle_dsc(drive);
@@ -390,10 +375,12 @@ static int ide_tape_callback(ide_drive_t *drive, int dsc)
static void idetape_postpone_request(ide_drive_t *drive)
{
idetape_tape_t *tape = drive->driver_data;
+ struct request *rq = drive->hwif->rq;
- debug_log(DBG_PROCS, "Enter %s\n", __func__);
+ ide_debug_log(IDE_DBG_FUNC, "cmd: 0x%x, dsc_poll_freq: %lu",
+ rq->cmd[0], tape->dsc_poll_freq);
- tape->postponed_rq = drive->hwif->rq;
+ tape->postponed_rq = rq;
ide_stall_queue(drive, tape->dsc_poll_freq);
}
@@ -488,7 +475,8 @@ static ide_startstop_t ide_tape_issue_pc(ide_drive_t *drive,
ide_complete_rq(drive, -EIO, blk_rq_bytes(rq));
return ide_stopped;
}
- debug_log(DBG_SENSE, "Retry #%d, cmd = %02X\n", pc->retries, pc->c[0]);
+ ide_debug_log(IDE_DBG_SENSE, "retry #%d, cmd: 0x%02x", pc->retries,
+ pc->c[0]);
pc->retries++;
@@ -583,8 +571,9 @@ static ide_startstop_t idetape_do_request(ide_drive_t *drive,
struct ide_cmd cmd;
u8 stat;
- debug_log(DBG_SENSE, "sector: %llu, nr_sectors: %u\n",
- (unsigned long long)blk_rq_pos(rq), blk_rq_sectors(rq));
+ ide_debug_log(IDE_DBG_RQ, "cmd: 0x%x, sector: %llu, nr_sectors: %u",
+ rq->cmd[0], (unsigned long long)blk_rq_pos(rq),
+ blk_rq_sectors(rq));
BUG_ON(!(blk_special_request(rq) || blk_sense_request(rq)));
@@ -745,7 +734,7 @@ static int ide_tape_read_position(ide_drive_t *drive)
struct ide_atapi_pc pc;
u8 buf[20];
- debug_log(DBG_PROCS, "Enter %s\n", __func__);
+ ide_debug_log(IDE_DBG_FUNC, "enter");
/* prep cmd */
ide_init_pc(&pc);
@@ -756,9 +745,9 @@ static int ide_tape_read_position(ide_drive_t *drive)
return -1;
if (!pc.error) {
- debug_log(DBG_SENSE, "BOP - %s\n",
+ ide_debug_log(IDE_DBG_FUNC, "BOP - %s",
(buf[0] & 0x80) ? "Yes" : "No");
- debug_log(DBG_SENSE, "EOP - %s\n",
+ ide_debug_log(IDE_DBG_FUNC, "EOP - %s",
(buf[0] & 0x40) ? "Yes" : "No");
if (buf[0] & 0x4) {
@@ -768,8 +757,8 @@ static int ide_tape_read_position(ide_drive_t *drive)
&drive->atapi_flags);
return -1;
} else {
- debug_log(DBG_SENSE, "Block Location - %u\n",
- be32_to_cpup((__be32 *)&buf[4]));
+ ide_debug_log(IDE_DBG_FUNC, "Block Location: %u",
+ be32_to_cpup((__be32 *)&buf[4]));
tape->partition = buf[1];
tape->first_frame = be32_to_cpup((__be32 *)&buf[4]);
@@ -866,7 +855,8 @@ static int idetape_queue_rw_tail(ide_drive_t *drive, int cmd, int size)
struct request *rq;
int ret;
- debug_log(DBG_SENSE, "%s: cmd=%d\n", __func__, cmd);
+ ide_debug_log(IDE_DBG_FUNC, "cmd: 0x%x, size: %d", cmd, size);
+
BUG_ON(cmd != REQ_IDETAPE_READ && cmd != REQ_IDETAPE_WRITE);
BUG_ON(size < 0 || size % tape->blk_size);
@@ -1029,7 +1019,7 @@ static int idetape_rewind_tape(ide_drive_t *drive)
struct ide_atapi_pc pc;
int ret;
- debug_log(DBG_SENSE, "Enter %s\n", __func__);
+ ide_debug_log(IDE_DBG_FUNC, "enter");
idetape_create_rewind_cmd(drive, &pc);
ret = ide_queue_pc_tail(drive, disk, &pc, NULL, 0);
@@ -1055,7 +1045,7 @@ static int idetape_blkdev_ioctl(ide_drive_t *drive, unsigned int cmd,
int nr_stages;
} config;
- debug_log(DBG_PROCS, "Enter %s\n", __func__);
+ ide_debug_log(IDE_DBG_FUNC, "cmd: 0x%04x", cmd);
switch (cmd) {
case 0x0340:
@@ -1085,6 +1075,9 @@ static int idetape_space_over_filemarks(ide_drive_t *drive, short mt_op,
int retval, count = 0;
int sprev = !!(tape->caps[4] & 0x20);
+
+ ide_debug_log(IDE_DBG_FUNC, "mt_op: %d, mt_count: %d", mt_op, mt_count);
+
if (mt_count == 0)
return 0;
if (MTBSF == mt_op || MTBSFM == mt_op) {
@@ -1148,7 +1141,7 @@ static ssize_t idetape_chrdev_read(struct file *file, char __user *buf,
ssize_t ret = 0;
int rc;
- debug_log(DBG_CHRDEV, "Enter %s, count %Zd\n", __func__, count);
+ ide_debug_log(IDE_DBG_FUNC, "count %Zd", count);
if (tape->chrdev_dir != IDETAPE_DIR_READ) {
if (test_bit(ilog2(IDE_AFLAG_DETECT_BS), &drive->atapi_flags))
@@ -1187,8 +1180,6 @@ static ssize_t idetape_chrdev_read(struct file *file, char __user *buf,
}
if (!done && test_bit(ilog2(IDE_AFLAG_FILEMARK), &drive->atapi_flags)) {
- debug_log(DBG_SENSE, "%s: spacing over filemark\n", tape->name);
-
idetape_space_over_filemarks(drive, MTFSF, 1);
return 0;
}
@@ -1209,7 +1200,7 @@ static ssize_t idetape_chrdev_write(struct file *file, const char __user *buf,
if (tape->write_prot)
return -EACCES;
- debug_log(DBG_CHRDEV, "Enter %s, count %Zd\n", __func__, count);
+ ide_debug_log(IDE_DBG_FUNC, "count %Zd", count);
/* Initialize write operation */
rc = idetape_init_rw(drive, IDETAPE_DIR_WRITE);
@@ -1273,8 +1264,8 @@ static int idetape_mtioctop(ide_drive_t *drive, short mt_op, int mt_count)
struct ide_atapi_pc pc;
int i, retval;
- debug_log(DBG_ERR, "Handling MTIOCTOP ioctl: mt_op=%d, mt_count=%d\n",
- mt_op, mt_count);
+ ide_debug_log(IDE_DBG_FUNC, "MTIOCTOP ioctl: mt_op: %d, mt_count: %d",
+ mt_op, mt_count);
switch (mt_op) {
case MTFSF:
@@ -1393,7 +1384,7 @@ static int idetape_chrdev_ioctl(struct inode *inode, struct file *file,
int block_offset = 0, position = tape->first_frame;
void __user *argp = (void __user *)arg;
- debug_log(DBG_CHRDEV, "Enter %s, cmd=%u\n", __func__, cmd);
+ ide_debug_log(IDE_DBG_FUNC, "cmd: 0x%x", cmd);
if (tape->chrdev_dir == IDETAPE_DIR_WRITE) {
ide_tape_flush_merge_buffer(drive);
@@ -1461,6 +1452,9 @@ static void ide_tape_get_bsize_from_bdesc(ide_drive_t *drive)
(buf[4 + 6] << 8) +
buf[4 + 7];
tape->drv_write_prot = (buf[2] & 0x80) >> 7;
+
+ ide_debug_log(IDE_DBG_FUNC, "blk_size: %d, write_prot: %d",
+ tape->blk_size, tape->drv_write_prot);
}
static int idetape_chrdev_open(struct inode *inode, struct file *filp)
@@ -1480,7 +1474,10 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp)
return -ENXIO;
}
- debug_log(DBG_CHRDEV, "Enter %s\n", __func__);
+ drive = tape->drive;
+ filp->private_data = tape;
+
+ ide_debug_log(IDE_DBG_FUNC, "enter");
/*
* We really want to do nonseekable_open(inode, filp); here, but some
@@ -1489,9 +1486,6 @@ static int idetape_chrdev_open(struct inode *inode, struct file *filp)
*/
filp->f_mode &= ~(FMODE_PREAD | FMODE_PWRITE);
- drive = tape->drive;
-
- filp->private_data = tape;
if (test_and_set_bit(ilog2(IDE_AFLAG_BUSY), &drive->atapi_flags)) {
retval = -EBUSY;
@@ -1570,7 +1564,7 @@ static int idetape_chrdev_release(struct inode *inode, struct file *filp)
lock_kernel();
tape = drive->driver_data;
- debug_log(DBG_CHRDEV, "Enter %s\n", __func__);
+ ide_debug_log(IDE_DBG_FUNC, "enter");
if (tape->chrdev_dir == IDETAPE_DIR_WRITE)
idetape_write_release(drive, minor);
@@ -1707,7 +1701,6 @@ static int divf_buffer_size(ide_drive_t *drive) { return 1024; }
ide_devset_rw_flag(dsc_overlap, IDE_DFLAG_DSC_OVERLAP);
-ide_tape_devset_rw_field(debug_mask, debug_mask);
ide_tape_devset_rw_field(tdsc, best_dsc_rw_freq);
ide_tape_devset_r_field(avg_speed, avg_speed);
@@ -1719,7 +1712,6 @@ static const struct ide_proc_devset idetape_settings[] = {
__IDE_PROC_DEVSET(avg_speed, 0, 0xffff, NULL, NULL),
__IDE_PROC_DEVSET(buffer, 0, 0xffff, NULL, divf_buffer),
__IDE_PROC_DEVSET(buffer_size, 0, 0xffff, NULL, divf_buffer_size),
- __IDE_PROC_DEVSET(debug_mask, 0, 0xffff, NULL, NULL),
__IDE_PROC_DEVSET(dsc_overlap, 0, 1, NULL, NULL),
__IDE_PROC_DEVSET(speed, 0, 0xffff, NULL, NULL),
__IDE_PROC_DEVSET(tdsc, IDETAPE_DSC_RW_MIN, IDETAPE_DSC_RW_MAX,
@@ -1746,7 +1738,9 @@ static void idetape_setup(ide_drive_t *drive, idetape_tape_t *tape, int minor)
int buffer_size;
u16 *ctl = (u16 *)&tape->caps[12];
- drive->pc_callback = ide_tape_callback;
+ ide_debug_log(IDE_DBG_FUNC, "minor: %d", minor);
+
+ drive->pc_callback = ide_tape_callback;
drive->dev_flags |= IDE_DFLAG_DSC_OVERLAP;
@@ -1932,7 +1926,9 @@ static int ide_tape_probe(ide_drive_t *drive)
struct gendisk *g;
int minor;
- if (!strstr("ide-tape", drive->driver_req))
+ ide_debug_log(IDE_DBG_FUNC, "enter");
+
+ if (!strstr(DRV_NAME, drive->driver_req))
goto failed;
if (drive->media != ide_tape)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-25 22:33:54 +0100