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authorAl Viro <viro@zeniv.linux.org.uk>2013-03-31 11:21:50 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2013-04-09 22:13:24 +0400
commitff98f7ce0ec89a3de50a1920eb8a223bf0a3a6f2 (patch)
tree003f51ae81dc37e4626b782df8e6b7a482549c56 /drivers/scsi/dpt_i2o.c
parent8c986544562b667766f42e08a206f6c2e21d272c (diff)
downloadlinux-ff98f7ce0ec89a3de50a1920eb8a223bf0a3a6f2.tar.xz
dpt_i2o: switch to ->show_info()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'drivers/scsi/dpt_i2o.c')
-rw-r--r--drivers/scsi/dpt_i2o.c102
1 files changed, 12 insertions, 90 deletions
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index b6e2700ec1c6..19e1b422260a 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -553,36 +553,14 @@ 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_show_info(struct seq_file *m, struct Scsi_Host *host)
{
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) {
@@ -596,86 +574,30 @@ 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;
- }
+ while(d) {
+ 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;
}
/*
@@ -3639,7 +3561,7 @@ static struct scsi_host_template driver_template = {
.module = THIS_MODULE,
.name = "dpt_i2o",
.proc_name = "dpt_i2o",
- .proc_info = adpt_proc_info,
+ .show_info = adpt_show_info,
.info = adpt_info,
.queuecommand = adpt_queue,
.eh_abort_handler = adpt_abort,