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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-06-10 05:30:17 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-06-10 05:30:17 -0300
commitd635711daa98be86d4c7fd01499c34f566b54ccb (patch)
treeaa5cc3760a27c3d57146498cb82fa549547de06c /drivers/scsi/qla2xxx/qla_dfs.c
parentc91265cd0efb83778f015b4d4b1129bd2cfd075e (diff)
Linux-libre 4.6.2-gnu
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_dfs.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_dfs.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c
index cd8b96a4b..34272fde8 100644
--- a/drivers/scsi/qla2xxx/qla_dfs.c
+++ b/drivers/scsi/qla2xxx/qla_dfs.c
@@ -13,6 +13,47 @@ static struct dentry *qla2x00_dfs_root;
static atomic_t qla2x00_dfs_root_count;
static int
+qla2x00_dfs_tgt_sess_show(struct seq_file *s, void *unused)
+{
+ scsi_qla_host_t *vha = s->private;
+ struct qla_hw_data *ha = vha->hw;
+ unsigned long flags;
+ struct qla_tgt_sess *sess = NULL;
+ struct qla_tgt *tgt= vha->vha_tgt.qla_tgt;
+
+ seq_printf(s, "%s\n",vha->host_str);
+ if (tgt) {
+ seq_printf(s, "Port ID Port Name Handle\n");
+
+ spin_lock_irqsave(&ha->tgt.sess_lock, flags);
+ list_for_each_entry(sess, &tgt->sess_list, sess_list_entry) {
+ seq_printf(s, "%02x:%02x:%02x %8phC %d\n",
+ sess->s_id.b.domain,sess->s_id.b.area,
+ sess->s_id.b.al_pa, sess->port_name,
+ sess->loop_id);
+ }
+ spin_unlock_irqrestore(&ha->tgt.sess_lock, flags);
+ }
+
+ return 0;
+}
+
+static int
+qla2x00_dfs_tgt_sess_open(struct inode *inode, struct file *file)
+{
+ scsi_qla_host_t *vha = inode->i_private;
+ return single_open(file, qla2x00_dfs_tgt_sess_show, vha);
+}
+
+
+static const struct file_operations dfs_tgt_sess_ops = {
+ .open = qla2x00_dfs_tgt_sess_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int
qla_dfs_fw_resource_cnt_show(struct seq_file *s, void *unused)
{
struct scsi_qla_host *vha = s->private;
@@ -248,6 +289,15 @@ create_nodes:
"Unable to create debugfs fce node.\n");
goto out;
}
+
+ ha->tgt.dfs_tgt_sess = debugfs_create_file("tgt_sess",
+ S_IRUSR, ha->dfs_dir, vha, &dfs_tgt_sess_ops);
+ if (!ha->tgt.dfs_tgt_sess) {
+ ql_log(ql_log_warn, vha, 0xffff,
+ "Unable to create debugFS tgt_sess node.\n");
+ goto out;
+ }
+
out:
return 0;
}
@@ -257,6 +307,11 @@ qla2x00_dfs_remove(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
+ if (ha->tgt.dfs_tgt_sess) {
+ debugfs_remove(ha->tgt.dfs_tgt_sess);
+ ha->tgt.dfs_tgt_sess = NULL;
+ }
+
if (ha->dfs_fw_resource_cnt) {
debugfs_remove(ha->dfs_fw_resource_cnt);
ha->dfs_fw_resource_cnt = NULL;