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authorAl Viro <viro@zeniv.linux.org.uk>2013-03-31 12:42:22 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-04-09 22:13:26 +0400
commit9d4e5c54a3b67cc0246afe0274ba028a85e79a10 (patch)
treed7dd41f27bff490da310d65a453a946a52d4090a /drivers/scsi/arm
parent6b3a8bbfd15ca86da496845890a48bee27b423e4 (diff)
downloadlinux-9d4e5c54a3b67cc0246afe0274ba028a85e79a10.tar.xz
fas216: switch to ->show_info()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/scsi/arm')
-rw-r--r--drivers/scsi/arm/arxescsi.c40
-rw-r--r--drivers/scsi/arm/cumana_2.c43
-rw-r--r--drivers/scsi/arm/eesox.c42
-rw-r--r--drivers/scsi/arm/fas216.c31
-rw-r--r--drivers/scsi/arm/fas216.h6
-rw-r--r--drivers/scsi/arm/powertec.c29
6 files changed, 49 insertions, 142 deletions
diff --git a/drivers/scsi/arm/arxescsi.c b/drivers/scsi/arm/arxescsi.c
index 9274510294ac..32d23212de48 100644
--- a/drivers/scsi/arm/arxescsi.c
+++ b/drivers/scsi/arm/arxescsi.c
@@ -220,47 +220,21 @@ static const char *arxescsi_info(struct Scsi_Host *host)
return string;
}
-/*
- * Function: int arxescsi_proc_info(char *buffer, char **start, off_t offset,
- * int length, int host_no, int inout)
- * Purpose : Return information about the driver to a user process accessing
- * the /proc filesystem.
- * Params : buffer - a buffer to write information to
- * start - a pointer into this buffer set by this routine to the start
- * of the required information.
- * offset - offset into information that we have read up to.
- * length - length of buffer
- * host_no - host number to return information for
- * inout - 0 for reading, 1 for writing.
- * Returns : length of data written to buffer.
- */
static int
-arxescsi_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset, int length,
- int inout)
+arxescsi_show_info(struct seq_file *m, struct Scsi_Host *host)
{
struct arxescsi_info *info;
- char *p = buffer;
- int pos;
-
info = (struct arxescsi_info *)host->hostdata;
- if (inout == 1)
- return -EINVAL;
-
- p += sprintf(p, "ARXE 16-bit SCSI driver v%s\n", VERSION);
- p += fas216_print_host(&info->info, p);
- p += fas216_print_stats(&info->info, p);
- p += fas216_print_devices(&info->info, p);
-
- *start = buffer + offset;
- pos = p - buffer - offset;
- if (pos > length)
- pos = length;
- return pos;
+ seq_printf(m, "ARXE 16-bit SCSI driver v%s\n", VERSION);
+ fas216_print_host(&info->info, m);
+ fas216_print_stats(&info->info, m);
+ fas216_print_devices(&info->info, m);
+ return 0;
}
static struct scsi_host_template arxescsi_template = {
- .proc_info = arxescsi_proc_info,
+ .show_info = arxescsi_show_info,
.name = "ARXE SCSI card",
.info = arxescsi_info,
.queuecommand = fas216_noqueue_command,
diff --git a/drivers/scsi/arm/cumana_2.c b/drivers/scsi/arm/cumana_2.c
index e3bae93c3c22..58915f29055b 100644
--- a/drivers/scsi/arm/cumana_2.c
+++ b/drivers/scsi/arm/cumana_2.c
@@ -337,50 +337,25 @@ cumanascsi_2_set_proc_info(struct Scsi_Host *host, char *buffer, int length)
return ret;
}
-/* Prototype: int cumanascsi_2_proc_info(char *buffer, char **start, off_t offset,
- * int length, int host_no, int inout)
- * Purpose : Return information about the driver to a user process accessing
- * the /proc filesystem.
- * Params : buffer - a buffer to write information to
- * start - a pointer into this buffer set by this routine to the start
- * of the required information.
- * offset - offset into information that we have read up to.
- * length - length of buffer
- * host_no - host number to return information for
- * inout - 0 for reading, 1 for writing.
- * Returns : length of data written to buffer.
- */
-int cumanascsi_2_proc_info (struct Scsi_Host *host, char *buffer, char **start, off_t offset,
- int length, int inout)
+static int cumanascsi_2_show_info(struct seq_file *m, struct Scsi_Host *host)
{
struct cumanascsi2_info *info;
- char *p = buffer;
- int pos;
-
- if (inout == 1)
- return cumanascsi_2_set_proc_info(host, buffer, length);
-
info = (struct cumanascsi2_info *)host->hostdata;
- p += sprintf(p, "Cumana SCSI II driver v%s\n", VERSION);
- p += fas216_print_host(&info->info, p);
- p += sprintf(p, "Term : o%s\n",
+ seq_printf(m, "Cumana SCSI II driver v%s\n", VERSION);
+ fas216_print_host(&info->info, m);
+ seq_printf(m, "Term : o%s\n",
info->terms ? "n" : "ff");
- p += fas216_print_stats(&info->info, p);
- p += fas216_print_devices(&info->info, p);
-
- *start = buffer + offset;
- pos = p - buffer - offset;
- if (pos > length)
- pos = length;
-
- return pos;
+ fas216_print_stats(&info->info, m);
+ fas216_print_devices(&info->info, m);
+ return 0;
}
static struct scsi_host_template cumanascsi2_template = {
.module = THIS_MODULE,
- .proc_info = cumanascsi_2_proc_info,
+ .show_info = cumanascsi_2_show_info,
+ .write_info = cumanascsi_2_set_proc_info,
.name = "Cumana SCSI II",
.info = cumanascsi_2_info,
.queuecommand = fas216_queue_command,
diff --git a/drivers/scsi/arm/eesox.c b/drivers/scsi/arm/eesox.c
index 8e36908415ec..5bf3c0d134b4 100644
--- a/drivers/scsi/arm/eesox.c
+++ b/drivers/scsi/arm/eesox.c
@@ -422,45 +422,20 @@ eesoxscsi_set_proc_info(struct Scsi_Host *host, char *buffer, int length)
return ret;
}
-/* Prototype: int eesoxscsi_proc_info(char *buffer, char **start, off_t offset,
- * int length, int host_no, int inout)
- * Purpose : Return information about the driver to a user process accessing
- * the /proc filesystem.
- * Params : buffer - a buffer to write information to
- * start - a pointer into this buffer set by this routine to the start
- * of the required information.
- * offset - offset into information that we have read up to.
- * length - length of buffer
- * host_no - host number to return information for
- * inout - 0 for reading, 1 for writing.
- * Returns : length of data written to buffer.
- */
-int eesoxscsi_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
- int length, int inout)
+static int eesoxscsi_show_info(struct seq_file *m, struct Scsi_Host *host)
{
struct eesoxscsi_info *info;
- char *p = buffer;
- int pos;
-
- if (inout == 1)
- return eesoxscsi_set_proc_info(host, buffer, length);
info = (struct eesoxscsi_info *)host->hostdata;
- p += sprintf(p, "EESOX SCSI driver v%s\n", VERSION);
- p += fas216_print_host(&info->info, p);
- p += sprintf(p, "Term : o%s\n",
+ seq_printf(m, "EESOX SCSI driver v%s\n", VERSION);
+ fas216_print_host(&info->info, m);
+ seq_printf(m, "Term : o%s\n",
info->control & EESOX_TERM_ENABLE ? "n" : "ff");
- p += fas216_print_stats(&info->info, p);
- p += fas216_print_devices(&info->info, p);
-
- *start = buffer + offset;
- pos = p - buffer - offset;
- if (pos > length)
- pos = length;
-
- return pos;
+ fas216_print_stats(&info->info, m);
+ fas216_print_devices(&info->info, m);
+ return 0;
}
static ssize_t eesoxscsi_show_term(struct device *dev, struct device_attribute *attr, char *buf)
@@ -498,7 +473,8 @@ static DEVICE_ATTR(bus_term, S_IRUGO | S_IWUSR,
static struct scsi_host_template eesox_template = {
.module = THIS_MODULE,
- .proc_info = eesoxscsi_proc_info,
+ .show_info = eesoxscsi_show_info,
+ .write_info = eesoxscsi_set_proc_info,
.name = "EESOX SCSI",
.info = eesoxscsi_info,
.queuecommand = fas216_queue_command,
diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c
index 737554c37d9e..b46a6f6c0eb3 100644
--- a/drivers/scsi/arm/fas216.c
+++ b/drivers/scsi/arm/fas216.c
@@ -2958,9 +2958,9 @@ void fas216_release(struct Scsi_Host *host)
queue_free(&info->queues.issue);
}
-int fas216_print_host(FAS216_Info *info, char *buffer)
+void fas216_print_host(FAS216_Info *info, struct seq_file *m)
{
- return sprintf(buffer,
+ seq_printf(m,
"\n"
"Chip : %s\n"
" Address: 0x%p\n"
@@ -2970,11 +2970,9 @@ int fas216_print_host(FAS216_Info *info, char *buffer)
info->scsi.irq, info->scsi.dma);
}
-int fas216_print_stats(FAS216_Info *info, char *buffer)
+void fas216_print_stats(FAS216_Info *info, struct seq_file *m)
{
- char *p = buffer;
-
- p += sprintf(p, "\n"
+ seq_printf(m, "\n"
"Command Statistics:\n"
" Queued : %u\n"
" Issued : %u\n"
@@ -2991,38 +2989,33 @@ int fas216_print_stats(FAS216_Info *info, char *buffer)
info->stats.writes, info->stats.miscs,
info->stats.disconnects, info->stats.aborts,
info->stats.bus_resets, info->stats.host_resets);
-
- return p - buffer;
}
-int fas216_print_devices(FAS216_Info *info, char *buffer)
+void fas216_print_devices(FAS216_Info *info, struct seq_file *m)
{
struct fas216_device *dev;
struct scsi_device *scd;
- char *p = buffer;
- p += sprintf(p, "Device/Lun TaggedQ Parity Sync\n");
+ seq_printf(m, "Device/Lun TaggedQ Parity Sync\n");
shost_for_each_device(scd, info->host) {
dev = &info->device[scd->id];
- p += sprintf(p, " %d/%d ", scd->id, scd->lun);
+ seq_printf(m, " %d/%d ", scd->id, scd->lun);
if (scd->tagged_supported)
- p += sprintf(p, "%3sabled(%3d) ",
+ seq_printf(m, "%3sabled(%3d) ",
scd->simple_tags ? "en" : "dis",
scd->current_tag);
else
- p += sprintf(p, "unsupported ");
+ seq_printf(m, "unsupported ");
- p += sprintf(p, "%3sabled ", dev->parity_enabled ? "en" : "dis");
+ seq_printf(m, "%3sabled ", dev->parity_enabled ? "en" : "dis");
if (dev->sof)
- p += sprintf(p, "offset %d, %d ns\n",
+ seq_printf(m, "offset %d, %d ns\n",
dev->sof, dev->period * 4);
else
- p += sprintf(p, "async\n");
+ seq_printf(m, "async\n");
}
-
- return p - buffer;
}
EXPORT_SYMBOL(fas216_init);
diff --git a/drivers/scsi/arm/fas216.h b/drivers/scsi/arm/fas216.h
index df2e1b3ddfe2..c57c16ef8193 100644
--- a/drivers/scsi/arm/fas216.h
+++ b/drivers/scsi/arm/fas216.h
@@ -358,9 +358,9 @@ extern void fas216_remove (struct Scsi_Host *instance);
*/
extern void fas216_release (struct Scsi_Host *instance);
-extern int fas216_print_host(FAS216_Info *info, char *buffer);
-extern int fas216_print_stats(FAS216_Info *info, char *buffer);
-extern int fas216_print_devices(FAS216_Info *info, char *buffer);
+extern void fas216_print_host(FAS216_Info *info, struct seq_file *m);
+extern void fas216_print_stats(FAS216_Info *info, struct seq_file *m);
+extern void fas216_print_devices(FAS216_Info *info, struct seq_file *m);
/* Function: int fas216_eh_abort(struct scsi_cmnd *SCpnt)
* Purpose : abort this command
diff --git a/drivers/scsi/arm/powertec.c b/drivers/scsi/arm/powertec.c
index 246600b93555..abc9593615e9 100644
--- a/drivers/scsi/arm/powertec.c
+++ b/drivers/scsi/arm/powertec.c
@@ -237,32 +237,20 @@ powertecscsi_set_proc_info(struct Scsi_Host *host, char *buffer, int length)
* inout - 0 for reading, 1 for writing.
* Returns : length of data written to buffer.
*/
-int powertecscsi_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
- int length, int inout)
+static int powertecscsi_show_info(struct seq_file *m, struct Scsi_Host *host)
{
struct powertec_info *info;
- char *p = buffer;
- int pos;
-
- if (inout == 1)
- return powertecscsi_set_proc_info(host, buffer, length);
info = (struct powertec_info *)host->hostdata;
- p += sprintf(p, "PowerTec SCSI driver v%s\n", VERSION);
- p += fas216_print_host(&info->info, p);
- p += sprintf(p, "Term : o%s\n",
+ seq_printf(m, "PowerTec SCSI driver v%s\n", VERSION);
+ fas216_print_host(&info->info, m);
+ seq_printf(m, "Term : o%s\n",
info->term_ctl ? "n" : "ff");
- p += fas216_print_stats(&info->info, p);
- p += fas216_print_devices(&info->info, p);
-
- *start = buffer + offset;
- pos = p - buffer - offset;
- if (pos > length)
- pos = length;
-
- return pos;
+ fas216_print_stats(&info->info, m);
+ fas216_print_devices(&info->info, m);
+ return 0;
}
static ssize_t powertecscsi_show_term(struct device *dev, struct device_attribute *attr, char *buf)
@@ -291,7 +279,8 @@ static DEVICE_ATTR(bus_term, S_IRUGO | S_IWUSR,
static struct scsi_host_template powertecscsi_template = {
.module = THIS_MODULE,
- .proc_info = powertecscsi_proc_info,
+ .show_info = powertecscsi_show_info,
+ .write_info = powertecscsi_set_proc_info,
.name = "PowerTec SCSI",
.info = powertecscsi_info,
.queuecommand = fas216_queue_command,