aboutsummaryrefslogtreecommitdiff
path: root/drivers/scsi/dpt_i2o.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/scsi/dpt_i2o.c')
-rw-r--r--drivers/scsi/dpt_i2o.c151
1 files changed, 33 insertions, 118 deletions
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index 23dec006338..c0ae8fa57a3 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -423,7 +423,7 @@ static int adpt_slave_configure(struct scsi_device * device)
return 0;
}
-static int adpt_queue(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *))
+static int adpt_queue_lck(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *))
{
adpt_hba* pHba = NULL;
struct adpt_device* pDev = NULL; /* dpt per device information */
@@ -448,19 +448,8 @@ static int adpt_queue(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *))
}
rmb();
- /*
- * TODO: I need to block here if I am processing ioctl cmds
- * but if the outstanding cmds all finish before the ioctl,
- * the scsi-core will not know to start sending cmds to me again.
- * I need to a way to restart the scsi-cores queues or should I block
- * calling scsi_done on the outstanding cmds instead
- * for now we don't set the IOCTL state
- */
- if(((pHba->state) & DPTI_STATE_IOCTL) || ((pHba->state) & DPTI_STATE_RESET)) {
- pHba->host->last_reset = jiffies;
- pHba->host->resetting = 1;
- return 1;
- }
+ if ((pHba->state) & DPTI_STATE_RESET)
+ return SCSI_MLQUEUE_HOST_BUSY;
// TODO if the cmd->device if offline then I may need to issue a bus rescan
// followed by a get_lct to see if the device is there anymore
@@ -491,6 +480,8 @@ static int adpt_queue(struct scsi_cmnd * cmd, void (*done) (struct scsi_cmnd *))
return adpt_scsi_to_i2o(pHba, cmd, pDev);
}
+static DEF_SCSI_QCMD(adpt_queue)
+
static int adpt_bios_param(struct scsi_device *sdev, struct block_device *dev,
sector_t capacity, int geom[])
{
@@ -551,36 +542,14 @@ 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) {
@@ -594,86 +563,30 @@ 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;
}
/*
@@ -778,7 +691,7 @@ static int adpt_abort(struct scsi_cmnd * cmd)
return FAILED;
}
pHba = (adpt_hba*) cmd->device->host->hostdata[0];
- printk(KERN_INFO"%s: Trying to Abort cmd=%ld\n",pHba->name, cmd->serial_number);
+ printk(KERN_INFO"%s: Trying to Abort\n",pHba->name);
if ((dptdevice = (void*) (cmd->device->hostdata)) == NULL) {
printk(KERN_ERR "%s: Unable to abort: No device in cmnd\n",pHba->name);
return FAILED;
@@ -800,10 +713,10 @@ static int adpt_abort(struct scsi_cmnd * cmd)
printk(KERN_INFO"%s: Abort cmd not supported\n",pHba->name);
return FAILED;
}
- printk(KERN_INFO"%s: Abort cmd=%ld failed.\n",pHba->name, cmd->serial_number);
+ printk(KERN_INFO"%s: Abort failed.\n",pHba->name);
return FAILED;
}
- printk(KERN_INFO"%s: Abort cmd=%ld complete.\n",pHba->name, cmd->serial_number);
+ printk(KERN_INFO"%s: Abort complete.\n",pHba->name);
return SUCCESS;
}
@@ -1887,21 +1800,23 @@ static int adpt_i2o_passthru(adpt_hba* pHba, u32 __user *arg)
}
do {
- if(pHba->host)
+ /*
+ * Stop any new commands from enterring the
+ * controller while processing the ioctl
+ */
+ if (pHba->host) {
+ scsi_block_requests(pHba->host);
spin_lock_irqsave(pHba->host->host_lock, flags);
- // This state stops any new commands from enterring the
- // controller while processing the ioctl
-// pHba->state |= DPTI_STATE_IOCTL;
-// We can't set this now - The scsi subsystem sets host_blocked and
-// the queue empties and stops. We need a way to restart the queue
+ }
rcode = adpt_i2o_post_wait(pHba, msg, size, FOREVER);
if (rcode != 0)
printk("adpt_i2o_passthru: post wait failed %d %p\n",
rcode, reply);
-// pHba->state &= ~DPTI_STATE_IOCTL;
- if(pHba->host)
+ if (pHba->host) {
spin_unlock_irqrestore(pHba->host->host_lock, flags);
- } while(rcode == -ETIMEDOUT);
+ scsi_unblock_requests(pHba->host);
+ }
+ } while (rcode == -ETIMEDOUT);
if(rcode){
goto cleanup;
@@ -2159,7 +2074,7 @@ static long adpt_unlocked_ioctl(struct file *file, uint cmd, ulong arg)
struct inode *inode;
long ret;
- inode = file->f_dentry->d_inode;
+ inode = file_inode(file);
mutex_lock(&adpt_mutex);
ret = adpt_ioctl(inode, file, cmd, arg);
@@ -2175,7 +2090,7 @@ static long compat_adpt_ioctl(struct file *file,
struct inode *inode;
long ret;
- inode = file->f_dentry->d_inode;
+ inode = file_inode(file);
mutex_lock(&adpt_mutex);
@@ -3637,7 +3552,7 @@ 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,
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-11-04 19:30:50 +0000