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[SCSI] aacraid: add sysfs report of RAID level 

Report the RAID level string for the SCSI device representing the
array. Report is in /sys/class/scsi_device/#:#:#:#/device/level.

Signed-off-by: Mark Salyzyn <aacraid@adaptec.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
hifive-unleashed-5.1
Salyzyn, Mark 2008-01-08 12:23:49 -08:00 committed by James Bottomley
parent 95e852e1ef
commit 17eaaceef5
3 changed files with 32 additions and 1 deletions
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7
drivers/scsi/aacraid/aachba.c
View File

@ -690,7 +690,12 @@ static char *container_types[] = {
"Unknown"
};
char * get_container_type(unsigned tindex)
{
if (tindex >= ARRAY_SIZE(container_types))
tindex = ARRAY_SIZE(container_types) - 1;
return container_types[tindex];
}
/* Function: setinqstr
*

1
drivers/scsi/aacraid/aacraid.h
View File

@ -1869,6 +1869,7 @@ int aac_probe_container(struct aac_dev *dev, int cid);
int _aac_rx_init(struct aac_dev *dev);
int aac_rx_select_comm(struct aac_dev *dev, int comm);
int aac_rx_deliver_producer(struct fib * fib);
char * get_container_type(unsigned type);
extern int numacb;
extern int acbsize;
extern char aac_driver_version[];

25
drivers/scsi/aacraid/linit.c
View File

@ -487,6 +487,30 @@ static int aac_change_queue_depth(struct scsi_device *sdev, int depth)
return sdev->queue_depth;
}
static ssize_t aac_show_raid_level(struct device *dev, struct device_attribute *attr, char *buf)
{
struct scsi_device * sdev = to_scsi_device(dev);
if (sdev_channel(sdev) != CONTAINER_CHANNEL)
return snprintf(buf, PAGE_SIZE, sdev->no_uld_attach
? "Hidden\n" : "JBOD");
return snprintf(buf, PAGE_SIZE, "%s\n",
get_container_type(((struct aac_dev *)(sdev->host->hostdata))
->fsa_dev[sdev_id(sdev)].type));
}
static struct device_attribute aac_raid_level_attr = {
.attr = {
.name = "level",
.mode = S_IRUGO,
},
.show = aac_show_raid_level
};
static struct device_attribute *aac_dev_attrs[] = {
&aac_raid_level_attr,
NULL,
};
static int aac_ioctl(struct scsi_device *sdev, int cmd, void __user * arg)
{
struct aac_dev *dev = (struct aac_dev *)sdev->host->hostdata;
@ -941,6 +965,7 @@ static struct scsi_host_template aac_driver_template = {
.shost_attrs = aac_attrs,
.slave_configure = aac_slave_configure,
.change_queue_depth = aac_change_queue_depth,
.sdev_attrs = aac_dev_attrs,
.eh_abort_handler = aac_eh_abort,
.eh_host_reset_handler = aac_eh_reset,
.can_queue = AAC_NUM_IO_FIB,