Signed-off-by: Alexey Dobriyan <adobriyan@xxxxxxxxx>
---
drivers/scsi/dpt_i2o.c | 112 +++++++++++-------------------------------------
1 files changed, 25 insertions(+), 87 deletions(-)
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index b4f6c9a..46c4c5f 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -48,6 +48,7 @@ MODULE_DESCRIPTION("Adaptec I2O RAID Driver");
#include <linux/interrupt.h>
#include <linux/kernel.h> /* for printk */
#include <linux/sched.h>
+#include <linux/seq_file.h>
#include <linux/reboot.h>
#include <linux/spinlock.h>
#include <linux/dma-mapping.h>
@@ -553,36 +554,15 @@ static const char *adpt_info(struct Scsi_Host *host)
return (char *) (pHba->detail);
}
-static int adpt_proc_info(struct Scsi_Host *host, char *buffer, char **start, off_t offset,
- int length, int inout)
+static int adpt_proc_show(struct seq_file *m, void *v)
{
+ struct Scsi_Host *host = m->private;
struct adpt_device* d;
int id;
int chan;
- int len = 0;
- int begin = 0;
- int pos = 0;
adpt_hba* pHba;
int unit;
- *start = buffer;
- if (inout == TRUE) {
- /*
- * The user has done a write and wants us to take the
- * data in the buffer and do something with it.
- * proc_scsiwrite calls us with inout = 1
- *
- * Read data from buffer (writing to us) - NOT SUPPORTED
- */
- return -EINVAL;
- }
-
- /*
- * inout = 0 means the user has done a read and wants information
- * returned, so we write information about the cards into the buffer
- * proc_scsiread() calls us with inout = 0
- */
-
// Find HBA (host bus adapter) we are looking for
mutex_lock(&adpt_configuration_lock);
for (pHba = hba_chain; pHba; pHba = pHba->next) {
@@ -596,88 +576,46 @@ static int adpt_proc_info(struct Scsi_Host *host, char *buffer, char **start, of
}
host = pHba->host;
- len = sprintf(buffer , "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION);
- len += sprintf(buffer+len, "%s\n", pHba->detail);
- len += sprintf(buffer+len, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n",
+ seq_printf(m, "Adaptec I2O RAID Driver Version: %s\n\n", DPT_I2O_VERSION);
+ seq_printf(m, "%s\n", pHba->detail);
+ seq_printf(m, "SCSI Host=scsi%d Control Node=/dev/%s irq=%d\n",
pHba->host->host_no, pHba->name, host->irq);
- len += sprintf(buffer+len, "\tpost fifo size = %d\n\treply fifo size = %d\n\tsg table size = %d\n\n",
+ seq_printf(m, "\tpost fifo size = %d\n\treply fifo size = %d\n\tsg table size = %d\n\n",
host->can_queue, (int) pHba->reply_fifo_size , host->sg_tablesize);
- pos = begin + len;
-
- /* CHECKPOINT */
- if(pos > offset + length) {
- goto stop_output;
- }
- if(pos <= offset) {
- /*
- * If we haven't even written to where we last left
- * off (the last time we were called), reset the
- * beginning pointer.
- */
- len = 0;
- begin = pos;
- }
- len += sprintf(buffer+len, "Devices:\n");
+ seq_printf(m, "Devices:\n");
for(chan = 0; chan < MAX_CHANNEL; chan++) {
for(id = 0; id < MAX_ID; id++) {
d = pHba->channel[chan].device[id];
while(d){
- len += sprintf(buffer+len,"\t%-24.24s", d->pScsi_dev->vendor);
- len += sprintf(buffer+len," Rev: %-8.8s\n", d->pScsi_dev->rev);
- pos = begin + len;
-
-
- /* CHECKPOINT */
- if(pos > offset + length) {
- goto stop_output;
- }
- if(pos <= offset) {
- len = 0;
- begin = pos;
- }
+ seq_printf(m, "\t%-24.24s", d->pScsi_dev->vendor);
+ seq_printf(m, " Rev: %-8.8s\n", d->pScsi_dev->rev);
unit = d->pI2o_dev->lct_data.tid;
- len += sprintf(buffer+len, "\tTID=%d, (Channel=%d, Target=%d, Lun=%d) (%s)\n\n",
+ seq_printf(m, "\tTID=%d, (Channel=%d, Target=%d, Lun=%d) (%s)\n\n",
unit, (int)d->scsi_channel, (int)d->scsi_id, (int)d->scsi_lun,
scsi_device_online(d->pScsi_dev)? "online":"offline");
- pos = begin + len;
-
- /* CHECKPOINT */
- if(pos > offset + length) {
- goto stop_output;
- }
- if(pos <= offset) {
- len = 0;
- begin = pos;
- }
d = d->next_lun;
}
}
}
- /*
- * begin is where we last checked our position with regards to offset
- * begin is always less than offset. len is relative to begin. It
- * is the number of bytes written past begin
- *
- */
-stop_output:
- /* stop the output and calculate the correct length */
- *(buffer + len) = '\0';
-
- *start = buffer + (offset - begin); /* Start of wanted data */
- len -= (offset - begin);
- if(len > length) {
- len = length;
- } else if(len < 0){
- len = 0;
- **start = '\0';
- }
- return len;
+ return 0;
+}
+
+static int adpt_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, adpt_proc_show, PDE(inode)->data);
}
+static const struct file_operations adpt_proc_ops = {
+ .open = adpt_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
/*
* Turn a struct scsi_cmnd * into a unique 32 bit 'context'.
*/
@@ -3639,7 +3577,7 @@ static struct scsi_host_template driver_template = {
.module = THIS_MODULE,
.name = "dpt_i2o",
.proc_name = "dpt_i2o",
- .proc_info = adpt_proc_info,
+ .proc_ops = &adpt_proc_ops,
.info = adpt_info,
.queuecommand = adpt_queue,
.eh_abort_handler = adpt_abort,
--
1.7.3.4
--
To unsubscribe from this list: send the line "unsubscribe linux-scsi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
