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authorAl Viro <viro@zeniv.linux.org.uk>2013-03-31 08:30:35 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-04-09 22:13:15 +0400
commit408bb25ba50c6abaf516d844fd62556ec89a0af2 (patch)
treed1c81b50c6e6d6426c54cf41f4530a03b3b4bbd2 /drivers/scsi/wd33c93.c
parentcab29b99dfaa6065e3b576e54d7f6cfa60fa2faf (diff)
downloadlinux-408bb25ba50c6abaf516d844fd62556ec89a0af2.tar.xz
switch wd33c93 to ->show_info()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/scsi/wd33c93.c')
-rw-r--r--drivers/scsi/wd33c93.c194
1 files changed, 84 insertions, 110 deletions
diff --git a/drivers/scsi/wd33c93.c b/drivers/scsi/wd33c93.c
index c0ee4ea28a19..41883a87931d 100644
--- a/drivers/scsi/wd33c93.c
+++ b/drivers/scsi/wd33c93.c
@@ -2054,22 +2054,16 @@ wd33c93_init(struct Scsi_Host *instance, const wd33c93_regs regs,
printk(" Version %s - %s\n", WD33C93_VERSION, WD33C93_DATE);
}
-int
-wd33c93_proc_info(struct Scsi_Host *instance, char *buf, char **start, off_t off, int len, int in)
+int wd33c93_write_info(struct Scsi_Host *instance, char *buf, int len)
{
-
#ifdef PROC_INTERFACE
-
char *bp;
- char tbuf[128];
struct WD33C93_hostdata *hd;
- struct scsi_cmnd *cmd;
int x;
- static int stop = 0;
hd = (struct WD33C93_hostdata *) instance->hostdata;
-/* If 'in' is TRUE we need to _read_ the proc file. We accept the following
+/* We accept the following
* keywords (same format as command-line, but arguments are not optional):
* debug
* disconnect
@@ -2083,145 +2077,124 @@ wd33c93_proc_info(struct Scsi_Host *instance, char *buf, char **start, off_t off
* nosync
*/
- if (in) {
- buf[len] = '\0';
- for (bp = buf; *bp; ) {
- while (',' == *bp || ' ' == *bp)
- ++bp;
- if (!strncmp(bp, "debug:", 6)) {
- hd->args = simple_strtoul(bp+6, &bp, 0) & DB_MASK;
- } else if (!strncmp(bp, "disconnect:", 11)) {
- x = simple_strtoul(bp+11, &bp, 0);
- if (x < DIS_NEVER || x > DIS_ALWAYS)
- x = DIS_ADAPTIVE;
- hd->disconnect = x;
- } else if (!strncmp(bp, "period:", 7)) {
+ buf[len] = '\0';
+ for (bp = buf; *bp; ) {
+ while (',' == *bp || ' ' == *bp)
+ ++bp;
+ if (!strncmp(bp, "debug:", 6)) {
+ hd->args = simple_strtoul(bp+6, &bp, 0) & DB_MASK;
+ } else if (!strncmp(bp, "disconnect:", 11)) {
+ x = simple_strtoul(bp+11, &bp, 0);
+ if (x < DIS_NEVER || x > DIS_ALWAYS)
+ x = DIS_ADAPTIVE;
+ hd->disconnect = x;
+ } else if (!strncmp(bp, "period:", 7)) {
+ x = simple_strtoul(bp+7, &bp, 0);
+ hd->default_sx_per =
+ hd->sx_table[round_period((unsigned int) x,
+ hd->sx_table)].period_ns;
+ } else if (!strncmp(bp, "resync:", 7)) {
+ set_resync(hd, (int)simple_strtoul(bp+7, &bp, 0));
+ } else if (!strncmp(bp, "proc:", 5)) {
+ hd->proc = simple_strtoul(bp+5, &bp, 0);
+ } else if (!strncmp(bp, "nodma:", 6)) {
+ hd->no_dma = simple_strtoul(bp+6, &bp, 0);
+ } else if (!strncmp(bp, "level2:", 7)) {
+ hd->level2 = simple_strtoul(bp+7, &bp, 0);
+ } else if (!strncmp(bp, "burst:", 6)) {
+ hd->dma_mode =
+ simple_strtol(bp+6, &bp, 0) ? CTRL_BURST:CTRL_DMA;
+ } else if (!strncmp(bp, "fast:", 5)) {
+ x = !!simple_strtol(bp+5, &bp, 0);
+ if (x != hd->fast)
+ set_resync(hd, 0xff);
+ hd->fast = x;
+ } else if (!strncmp(bp, "nosync:", 7)) {
x = simple_strtoul(bp+7, &bp, 0);
- hd->default_sx_per =
- hd->sx_table[round_period((unsigned int) x,
- hd->sx_table)].period_ns;
- } else if (!strncmp(bp, "resync:", 7)) {
- set_resync(hd, (int)simple_strtoul(bp+7, &bp, 0));
- } else if (!strncmp(bp, "proc:", 5)) {
- hd->proc = simple_strtoul(bp+5, &bp, 0);
- } else if (!strncmp(bp, "nodma:", 6)) {
- hd->no_dma = simple_strtoul(bp+6, &bp, 0);
- } else if (!strncmp(bp, "level2:", 7)) {
- hd->level2 = simple_strtoul(bp+7, &bp, 0);
- } else if (!strncmp(bp, "burst:", 6)) {
- hd->dma_mode =
- simple_strtol(bp+6, &bp, 0) ? CTRL_BURST:CTRL_DMA;
- } else if (!strncmp(bp, "fast:", 5)) {
- x = !!simple_strtol(bp+5, &bp, 0);
- if (x != hd->fast)
- set_resync(hd, 0xff);
- hd->fast = x;
- } else if (!strncmp(bp, "nosync:", 7)) {
- x = simple_strtoul(bp+7, &bp, 0);
- set_resync(hd, x ^ hd->no_sync);
- hd->no_sync = x;
- } else {
- break; /* unknown keyword,syntax-error,... */
- }
+ set_resync(hd, x ^ hd->no_sync);
+ hd->no_sync = x;
+ } else {
+ break; /* unknown keyword,syntax-error,... */
}
- return len;
}
+ return len;
+#else
+ return 0;
+#endif
+}
+
+int
+wd33c93_show_info(struct seq_file *m, struct Scsi_Host *instance)
+{
+#ifdef PROC_INTERFACE
+ struct WD33C93_hostdata *hd;
+ struct scsi_cmnd *cmd;
+ int x;
+
+ hd = (struct WD33C93_hostdata *) instance->hostdata;
spin_lock_irq(&hd->lock);
- bp = buf;
- *bp = '\0';
- if (hd->proc & PR_VERSION) {
- sprintf(tbuf, "\nVersion %s - %s.",
+ if (hd->proc & PR_VERSION)
+ seq_printf(m, "\nVersion %s - %s.",
WD33C93_VERSION, WD33C93_DATE);
- strcat(bp, tbuf);
- }
+
if (hd->proc & PR_INFO) {
- sprintf(tbuf, "\nclock_freq=%02x no_sync=%02x no_dma=%d"
+ seq_printf(m, "\nclock_freq=%02x no_sync=%02x no_dma=%d"
" dma_mode=%02x fast=%d",
hd->clock_freq, hd->no_sync, hd->no_dma, hd->dma_mode, hd->fast);
- strcat(bp, tbuf);
- strcat(bp, "\nsync_xfer[] = ");
- for (x = 0; x < 7; x++) {
- sprintf(tbuf, "\t%02x", hd->sync_xfer[x]);
- strcat(bp, tbuf);
- }
- strcat(bp, "\nsync_stat[] = ");
- for (x = 0; x < 7; x++) {
- sprintf(tbuf, "\t%02x", hd->sync_stat[x]);
- strcat(bp, tbuf);
- }
+ seq_printf(m, "\nsync_xfer[] = ");
+ for (x = 0; x < 7; x++)
+ seq_printf(m, "\t%02x", hd->sync_xfer[x]);
+ seq_printf(m, "\nsync_stat[] = ");
+ for (x = 0; x < 7; x++)
+ seq_printf(m, "\t%02x", hd->sync_stat[x]);
}
#ifdef PROC_STATISTICS
if (hd->proc & PR_STATISTICS) {
- strcat(bp, "\ncommands issued: ");
- for (x = 0; x < 7; x++) {
- sprintf(tbuf, "\t%ld", hd->cmd_cnt[x]);
- strcat(bp, tbuf);
- }
- strcat(bp, "\ndisconnects allowed:");
- for (x = 0; x < 7; x++) {
- sprintf(tbuf, "\t%ld", hd->disc_allowed_cnt[x]);
- strcat(bp, tbuf);
- }
- strcat(bp, "\ndisconnects done: ");
- for (x = 0; x < 7; x++) {
- sprintf(tbuf, "\t%ld", hd->disc_done_cnt[x]);
- strcat(bp, tbuf);
- }
- sprintf(tbuf,
+ seq_printf(m, "\ncommands issued: ");
+ for (x = 0; x < 7; x++)
+ seq_printf(m, "\t%ld", hd->cmd_cnt[x]);
+ seq_printf(m, "\ndisconnects allowed:");
+ for (x = 0; x < 7; x++)
+ seq_printf(m, "\t%ld", hd->disc_allowed_cnt[x]);
+ seq_printf(m, "\ndisconnects done: ");
+ for (x = 0; x < 7; x++)
+ seq_printf(m, "\t%ld", hd->disc_done_cnt[x]);
+ seq_printf(m,
"\ninterrupts: %ld, DATA_PHASE ints: %ld DMA, %ld PIO",
hd->int_cnt, hd->dma_cnt, hd->pio_cnt);
- strcat(bp, tbuf);
}
#endif
if (hd->proc & PR_CONNECTED) {
- strcat(bp, "\nconnected: ");
+ seq_printf(m, "\nconnected: ");
if (hd->connected) {
cmd = (struct scsi_cmnd *) hd->connected;
- sprintf(tbuf, " %d:%d(%02x)",
+ seq_printf(m, " %d:%d(%02x)",
cmd->device->id, cmd->device->lun, cmd->cmnd[0]);
- strcat(bp, tbuf);
}
}
if (hd->proc & PR_INPUTQ) {
- strcat(bp, "\ninput_Q: ");
+ seq_printf(m, "\ninput_Q: ");
cmd = (struct scsi_cmnd *) hd->input_Q;
while (cmd) {
- sprintf(tbuf, " %d:%d(%02x)",
+ seq_printf(m, " %d:%d(%02x)",
cmd->device->id, cmd->device->lun, cmd->cmnd[0]);
- strcat(bp, tbuf);
cmd = (struct scsi_cmnd *) cmd->host_scribble;
}
}
if (hd->proc & PR_DISCQ) {
- strcat(bp, "\ndisconnected_Q:");
+ seq_printf(m, "\ndisconnected_Q:");
cmd = (struct scsi_cmnd *) hd->disconnected_Q;
while (cmd) {
- sprintf(tbuf, " %d:%d(%02x)",
+ seq_printf(m, " %d:%d(%02x)",
cmd->device->id, cmd->device->lun, cmd->cmnd[0]);
- strcat(bp, tbuf);
cmd = (struct scsi_cmnd *) cmd->host_scribble;
}
}
- strcat(bp, "\n");
+ seq_printf(m, "\n");
spin_unlock_irq(&hd->lock);
- *start = buf;
- if (stop) {
- stop = 0;
- return 0;
- }
- if (off > 0x40000) /* ALWAYS stop after 256k bytes have been read */
- stop = 1;
- if (hd->proc & PR_STOP) /* stop every other time */
- stop = 1;
- return strlen(bp);
-
-#else /* PROC_INTERFACE */
-
- return 0;
-
#endif /* PROC_INTERFACE */
-
+ return 0;
}
EXPORT_SYMBOL(wd33c93_host_reset);
@@ -2229,4 +2202,5 @@ EXPORT_SYMBOL(wd33c93_init);
EXPORT_SYMBOL(wd33c93_abort);
EXPORT_SYMBOL(wd33c93_queuecommand);
EXPORT_SYMBOL(wd33c93_intr);
-EXPORT_SYMBOL(wd33c93_proc_info);
+EXPORT_SYMBOL(wd33c93_show_info);
+EXPORT_SYMBOL(wd33c93_write_info);