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path: root/drivers/scsi/in2000.c
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Diffstat (limited to 'drivers/scsi/in2000.c')
-rw-r--r--drivers/scsi/in2000.c178
1 files changed, 72 insertions, 106 deletions
diff --git a/drivers/scsi/in2000.c b/drivers/scsi/in2000.c
index deb5b6d8398e..bf028218ac36 100644
--- a/drivers/scsi/in2000.c
+++ b/drivers/scsi/in2000.c
@@ -2166,152 +2166,117 @@ static int in2000_biosparam(struct scsi_device *sdev, struct block_device *bdev,
}
-static int in2000_proc_info(struct Scsi_Host *instance, char *buf, char **start, off_t off, int len, int in)
+static int in2000_write_info(struct Scsi_Host *instance, char *buf, int len)
{
#ifdef PROC_INTERFACE
char *bp;
- char tbuf[128];
- unsigned long flags;
struct IN2000_hostdata *hd;
- Scsi_Cmnd *cmd;
int x, i;
- static int stop = 0;
hd = (struct IN2000_hostdata *) instance->hostdata;
-/* If 'in' is TRUE we need to _read_ the proc file. We accept the following
- * keywords (same format as command-line, but only ONE per read):
- * debug
- * disconnect
- * period
- * resync
- * proc
- */
-
- if (in) {
- buf[len] = '\0';
- bp = buf;
- if (!strncmp(bp, "debug:", 6)) {
- bp += 6;
- hd->args = simple_strtoul(bp, NULL, 0) & DB_MASK;
- } else if (!strncmp(bp, "disconnect:", 11)) {
- bp += 11;
- x = simple_strtoul(bp, NULL, 0);
- if (x < DIS_NEVER || x > DIS_ALWAYS)
- x = DIS_ADAPTIVE;
- hd->disconnect = x;
- } else if (!strncmp(bp, "period:", 7)) {
- bp += 7;
- x = simple_strtoul(bp, NULL, 0);
- hd->default_sx_per = sx_table[round_period((unsigned int) x)].period_ns;
- } else if (!strncmp(bp, "resync:", 7)) {
- bp += 7;
- x = simple_strtoul(bp, NULL, 0);
- for (i = 0; i < 7; i++)
- if (x & (1 << i))
- hd->sync_stat[i] = SS_UNSET;
- } else if (!strncmp(bp, "proc:", 5)) {
- bp += 5;
- hd->proc = simple_strtoul(bp, NULL, 0);
- } else if (!strncmp(bp, "level2:", 7)) {
- bp += 7;
- hd->level2 = simple_strtoul(bp, NULL, 0);
- }
- return len;
+ buf[len] = '\0';
+ bp = buf;
+ if (!strncmp(bp, "debug:", 6)) {
+ bp += 6;
+ hd->args = simple_strtoul(bp, NULL, 0) & DB_MASK;
+ } else if (!strncmp(bp, "disconnect:", 11)) {
+ bp += 11;
+ x = simple_strtoul(bp, NULL, 0);
+ if (x < DIS_NEVER || x > DIS_ALWAYS)
+ x = DIS_ADAPTIVE;
+ hd->disconnect = x;
+ } else if (!strncmp(bp, "period:", 7)) {
+ bp += 7;
+ x = simple_strtoul(bp, NULL, 0);
+ hd->default_sx_per = sx_table[round_period((unsigned int) x)].period_ns;
+ } else if (!strncmp(bp, "resync:", 7)) {
+ bp += 7;
+ x = simple_strtoul(bp, NULL, 0);
+ for (i = 0; i < 7; i++)
+ if (x & (1 << i))
+ hd->sync_stat[i] = SS_UNSET;
+ } else if (!strncmp(bp, "proc:", 5)) {
+ bp += 5;
+ hd->proc = simple_strtoul(bp, NULL, 0);
+ } else if (!strncmp(bp, "level2:", 7)) {
+ bp += 7;
+ hd->level2 = simple_strtoul(bp, NULL, 0);
}
+#endif
+ return len;
+}
+
+static int in2000_show_info(struct seq_file *m, struct Scsi_Host *instance)
+{
+
+#ifdef PROC_INTERFACE
+ unsigned long flags;
+ struct IN2000_hostdata *hd;
+ Scsi_Cmnd *cmd;
+ int x;
+
+ hd = (struct IN2000_hostdata *) instance->hostdata;
spin_lock_irqsave(instance->host_lock, flags);
- bp = buf;
- *bp = '\0';
- if (hd->proc & PR_VERSION) {
- sprintf(tbuf, "\nVersion %s - %s.", IN2000_VERSION, IN2000_DATE);
- strcat(bp, tbuf);
- }
+ if (hd->proc & PR_VERSION)
+ seq_printf(m, "\nVersion %s - %s.", IN2000_VERSION, IN2000_DATE);
+
if (hd->proc & PR_INFO) {
- sprintf(tbuf, "\ndip_switch=%02x: irq=%d io=%02x floppy=%s sync/DOS5=%s", (hd->dip_switch & 0x7f), instance->irq, hd->io_base, (hd->dip_switch & 0x40) ? "Yes" : "No", (hd->dip_switch & 0x20) ? "Yes" : "No");
- 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, "\ndip_switch=%02x: irq=%d io=%02x floppy=%s sync/DOS5=%s", (hd->dip_switch & 0x7f), instance->irq, hd->io_base, (hd->dip_switch & 0x40) ? "Yes" : "No", (hd->dip_switch & 0x20) ? "Yes" : "No");
+ 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, "\ninterrupts: \t%ld", hd->int_cnt);
- strcat(bp, 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: \t%ld", hd->int_cnt);
}
#endif
if (hd->proc & PR_CONNECTED) {
- strcat(bp, "\nconnected: ");
+ seq_printf(m, "\nconnected: ");
if (hd->connected) {
cmd = (Scsi_Cmnd *) hd->connected;
- sprintf(tbuf, " %d:%d(%02x)", cmd->device->id, cmd->device->lun, cmd->cmnd[0]);
- strcat(bp, tbuf);
+ seq_printf(m, " %d:%d(%02x)", cmd->device->id, cmd->device->lun, cmd->cmnd[0]);
}
}
if (hd->proc & PR_INPUTQ) {
- strcat(bp, "\ninput_Q: ");
+ seq_printf(m, "\ninput_Q: ");
cmd = (Scsi_Cmnd *) hd->input_Q;
while (cmd) {
- sprintf(tbuf, " %d:%d(%02x)", cmd->device->id, cmd->device->lun, cmd->cmnd[0]);
- strcat(bp, tbuf);
+ seq_printf(m, " %d:%d(%02x)", cmd->device->id, cmd->device->lun, cmd->cmnd[0]);
cmd = (Scsi_Cmnd *) cmd->host_scribble;
}
}
if (hd->proc & PR_DISCQ) {
- strcat(bp, "\ndisconnected_Q:");
+ seq_printf(m, "\ndisconnected_Q:");
cmd = (Scsi_Cmnd *) hd->disconnected_Q;
while (cmd) {
- sprintf(tbuf, " %d:%d(%02x)", cmd->device->id, cmd->device->lun, cmd->cmnd[0]);
- strcat(bp, tbuf);
+ seq_printf(m, " %d:%d(%02x)", cmd->device->id, cmd->device->lun, cmd->cmnd[0]);
cmd = (Scsi_Cmnd *) cmd->host_scribble;
}
}
if (hd->proc & PR_TEST) {
; /* insert your own custom function here */
}
- strcat(bp, "\n");
+ seq_printf(m, "\n");
spin_unlock_irqrestore(instance->host_lock, flags);
- *start = buf;
- if (stop) {
- stop = 0;
- return 0; /* return 0 to signal end-of-file */
- }
- 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;
}
MODULE_LICENSE("GPL");
@@ -2319,7 +2284,8 @@ MODULE_LICENSE("GPL");
static struct scsi_host_template driver_template = {
.proc_name = "in2000",
- .proc_info = in2000_proc_info,
+ .write_info = in2000_write_info,
+ .show_info = in2000_show_info,
.name = "Always IN2000",
.detect = in2000_detect,
.release = in2000_release,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.