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Code Issues Releases Wiki Activity

dpt_i2o: switch to ->show_info()

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Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2013-03-31 03:21:50 -04:00
parent 8c98654456
commit ff98f7ce0e
1 changed files with 12 additions and 90 deletions
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102
drivers/scsi/dpt_i2o.c
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@ -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,