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path: root/drivers/scsi/qla2xxx/qla_dfs.c
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Diffstat (limited to 'drivers/scsi/qla2xxx/qla_dfs.c')
-rw-r--r--drivers/scsi/qla2xxx/qla_dfs.c106
1 files changed, 106 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c
index 15cf074ffa3c..cd8b96a4b0dd 100644
--- a/drivers/scsi/qla2xxx/qla_dfs.c
+++ b/drivers/scsi/qla2xxx/qla_dfs.c
@@ -13,6 +13,85 @@ static struct dentry *qla2x00_dfs_root;
static atomic_t qla2x00_dfs_root_count;
static int
+qla_dfs_fw_resource_cnt_show(struct seq_file *s, void *unused)
+{
+ struct scsi_qla_host *vha = s->private;
+ struct qla_hw_data *ha = vha->hw;
+
+ seq_puts(s, "FW Resource count\n\n");
+ seq_printf(s, "Original TGT exchg count[%d]\n",
+ ha->orig_fw_tgt_xcb_count);
+ seq_printf(s, "current TGT exchg count[%d]\n",
+ ha->cur_fw_tgt_xcb_count);
+ seq_printf(s, "original Initiator Exchange count[%d]\n",
+ ha->orig_fw_xcb_count);
+ seq_printf(s, "Current Initiator Exchange count[%d]\n",
+ ha->cur_fw_xcb_count);
+ seq_printf(s, "Original IOCB count[%d]\n", ha->orig_fw_iocb_count);
+ seq_printf(s, "Current IOCB count[%d]\n", ha->cur_fw_iocb_count);
+ seq_printf(s, "MAX VP count[%d]\n", ha->max_npiv_vports);
+ seq_printf(s, "MAX FCF count[%d]\n", ha->fw_max_fcf_count);
+
+ return 0;
+}
+
+static int
+qla_dfs_fw_resource_cnt_open(struct inode *inode, struct file *file)
+{
+ struct scsi_qla_host *vha = inode->i_private;
+ return single_open(file, qla_dfs_fw_resource_cnt_show, vha);
+}
+
+static const struct file_operations dfs_fw_resource_cnt_ops = {
+ .open = qla_dfs_fw_resource_cnt_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int
+qla_dfs_tgt_counters_show(struct seq_file *s, void *unused)
+{
+ struct scsi_qla_host *vha = s->private;
+
+ seq_puts(s, "Target Counters\n");
+ seq_printf(s, "qla_core_sbt_cmd = %lld\n",
+ vha->tgt_counters.qla_core_sbt_cmd);
+ seq_printf(s, "qla_core_ret_sta_ctio = %lld\n",
+ vha->tgt_counters.qla_core_ret_sta_ctio);
+ seq_printf(s, "qla_core_ret_ctio = %lld\n",
+ vha->tgt_counters.qla_core_ret_ctio);
+ seq_printf(s, "core_qla_que_buf = %lld\n",
+ vha->tgt_counters.core_qla_que_buf);
+ seq_printf(s, "core_qla_snd_status = %lld\n",
+ vha->tgt_counters.core_qla_snd_status);
+ seq_printf(s, "core_qla_free_cmd = %lld\n",
+ vha->tgt_counters.core_qla_free_cmd);
+ seq_printf(s, "num alloc iocb failed = %lld\n",
+ vha->tgt_counters.num_alloc_iocb_failed);
+ seq_printf(s, "num term exchange sent = %lld\n",
+ vha->tgt_counters.num_term_xchg_sent);
+ seq_printf(s, "num Q full sent = %lld\n",
+ vha->tgt_counters.num_q_full_sent);
+
+ return 0;
+}
+
+static int
+qla_dfs_tgt_counters_open(struct inode *inode, struct file *file)
+{
+ struct scsi_qla_host *vha = inode->i_private;
+ return single_open(file, qla_dfs_tgt_counters_show, vha);
+}
+
+static const struct file_operations dfs_tgt_counters_ops = {
+ .open = qla_dfs_tgt_counters_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static int
qla2x00_dfs_fce_show(struct seq_file *s, void *unused)
{
scsi_qla_host_t *vha = s->private;
@@ -146,6 +225,22 @@ create_dir:
atomic_inc(&qla2x00_dfs_root_count);
create_nodes:
+ ha->dfs_fw_resource_cnt = debugfs_create_file("fw_resource_count",
+ S_IRUSR, ha->dfs_dir, vha, &dfs_fw_resource_cnt_ops);
+ if (!ha->dfs_fw_resource_cnt) {
+ ql_log(ql_log_warn, vha, 0x00fd,
+ "Unable to create debugFS fw_resource_count node.\n");
+ goto out;
+ }
+
+ ha->dfs_tgt_counters = debugfs_create_file("tgt_counters", S_IRUSR,
+ ha->dfs_dir, vha, &dfs_tgt_counters_ops);
+ if (!ha->dfs_tgt_counters) {
+ ql_log(ql_log_warn, vha, 0xd301,
+ "Unable to create debugFS tgt_counters node.\n");
+ goto out;
+ }
+
ha->dfs_fce = debugfs_create_file("fce", S_IRUSR, ha->dfs_dir, vha,
&dfs_fce_ops);
if (!ha->dfs_fce) {
@@ -161,6 +256,17 @@ int
qla2x00_dfs_remove(scsi_qla_host_t *vha)
{
struct qla_hw_data *ha = vha->hw;
+
+ if (ha->dfs_fw_resource_cnt) {
+ debugfs_remove(ha->dfs_fw_resource_cnt);
+ ha->dfs_fw_resource_cnt = NULL;
+ }
+
+ if (ha->dfs_tgt_counters) {
+ debugfs_remove(ha->dfs_tgt_counters);
+ ha->dfs_tgt_counters = NULL;
+ }
+
if (ha->dfs_fce) {
debugfs_remove(ha->dfs_fce);
ha->dfs_fce = NULL;