Skip to content

Commit

Permalink
---
Browse files Browse the repository at this point in the history
yaml
---
r: 68863
b: refs/heads/master
c: 5dc2b89
h: refs/heads/master
i:
  68861: 8679a79
  68859: 61cc7f5
  68855: f7a4c61
  68847: 0f069c8
  68831: ccf39b1
  68799: 3f76141
  68735: 1eae619
  68607: 55b50b9
v: v3
  • Loading branch information
FUJITA Tomonori authored and James Bottomley committed Oct 12, 2007
1 parent e3b1fdb commit faf47cd
Show file tree
Hide file tree
Showing 4 changed files with 53 additions and 1 deletion.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 8184fe9b6e8928c8d5be3e2a1326b8b9183e409d
refs/heads/master: 5dc2b89e124251662f580f4ba3c9f6195d1eaff6
1 change: 1 addition & 0 deletions trunk/drivers/scsi/hosts.c
Original file line number Diff line number Diff line change
Expand Up @@ -342,6 +342,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
shost->unchecked_isa_dma = sht->unchecked_isa_dma;
shost->use_clustering = sht->use_clustering;
shost->ordered_tag = sht->ordered_tag;
shost->active_mode = sht->supported_mode;

if (sht->max_host_blocked)
shost->max_host_blocked = sht->max_host_blocked;
Expand Down
42 changes: 42 additions & 0 deletions trunk/drivers/scsi/scsi_sysfs.c
Original file line number Diff line number Diff line change
Expand Up @@ -190,6 +190,46 @@ show_shost_state(struct class_device *class_dev, char *buf)

static CLASS_DEVICE_ATTR(state, S_IRUGO | S_IWUSR, show_shost_state, store_shost_state);

static ssize_t
show_shost_mode(unsigned int mode, char *buf)
{
ssize_t len = 0;

if (mode & MODE_INITIATOR)
len = sprintf(buf, "%s", "Initiator");

if (mode & MODE_TARGET)
len += sprintf(buf + len, "%s%s", len ? ", " : "", "Target");

len += sprintf(buf + len, "\n");

return len;
}

static ssize_t show_shost_supported_mode(struct class_device *class_dev, char *buf)
{
struct Scsi_Host *shost = class_to_shost(class_dev);

if (shost->hostt->supported_mode == MODE_UNKNOWN)
return snprintf(buf, 20, "unknown\n");
else
return show_shost_mode(shost->hostt->supported_mode, buf);
}

static CLASS_DEVICE_ATTR(supported_mode, S_IRUGO | S_IWUSR, show_shost_supported_mode, NULL);

static ssize_t show_shost_active_mode(struct class_device *class_dev, char *buf)
{
struct Scsi_Host *shost = class_to_shost(class_dev);

if (shost->active_mode == MODE_UNKNOWN)
return snprintf(buf, 20, "unknown\n");
else
return show_shost_mode(shost->active_mode, buf);
}

static CLASS_DEVICE_ATTR(active_mode, S_IRUGO | S_IWUSR, show_shost_active_mode, NULL);

shost_rd_attr(unique_id, "%u\n");
shost_rd_attr(host_busy, "%hu\n");
shost_rd_attr(cmd_per_lun, "%hd\n");
Expand All @@ -208,6 +248,8 @@ static struct class_device_attribute *scsi_sysfs_shost_attrs[] = {
&class_device_attr_proc_name,
&class_device_attr_scan,
&class_device_attr_state,
&class_device_attr_supported_mode,
&class_device_attr_active_mode,
NULL
};

Expand Down
9 changes: 9 additions & 0 deletions trunk/include/scsi/scsi_host.h
Original file line number Diff line number Diff line change
Expand Up @@ -32,6 +32,9 @@ struct blk_queue_tags;
#define SG_NONE 0
#define SG_ALL 0xff

#define MODE_UNKNOWN 0x00
#define MODE_INITIATOR 0x01
#define MODE_TARGET 0x02

#define DISABLE_CLUSTERING 0
#define ENABLE_CLUSTERING 1
Expand Down Expand Up @@ -404,6 +407,11 @@ struct scsi_host_template {
*/
unsigned char present;

/*
* This specifies the mode that a LLD supports.
*/
unsigned supported_mode:2;

/*
* true if this host adapter uses unchecked DMA onto an ISA bus.
*/
Expand Down Expand Up @@ -574,6 +582,7 @@ struct Scsi_Host {
*/
unsigned long cmd_serial_number, cmd_pid;

unsigned active_mode:2;
unsigned unchecked_isa_dma:1;
unsigned use_clustering:1;
unsigned use_blk_tcq:1;
Expand Down

0 comments on commit faf47cd

Please sign in to comment.