From: Luo Jiaxing <luojiaxing@xxxxxxxxxx>
This patch create debugfs file for ITCT and add file operations.
Signed-off-by: Luo Jiaxing <luojiaxing@xxxxxxxxxx>
Signed-off-by: John Garry <john.garry@xxxxxxxxxx>
---
drivers/scsi/hisi_sas/hisi_sas_main.c | 33 +++++++++++++++++++++++++++++++++
1 file changed, 33 insertions(+)
diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c
index 73a545a..c0aacb0 100644
--- a/drivers/scsi/hisi_sas/hisi_sas_main.c
+++ b/drivers/scsi/hisi_sas/hisi_sas_main.c
@@ -2773,6 +2773,36 @@ static int hisi_sas_debugfs_iost_open(struct inode *inode, struct file *filp)
.owner = THIS_MODULE,
};
+static int hisi_sas_debugfs_itct_show(struct seq_file *s, void *p)
+{
+ int i, ret;
+ struct hisi_hba *hisi_hba = s->private;
+ struct hisi_sas_itct *debugfs_itct = hisi_hba->debugfs_itct;
+ __le64 *itct = &debugfs_itct->qw0;
+
+ for (i = 0; i < HISI_SAS_MAX_ITCT_ENTRIES; i++, debugfs_itct++) {
+ ret = hisi_sas_show_row_64(s, i, sizeof(*debugfs_itct),
+ itct);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int hisi_sas_debugfs_itct_open(struct inode *inode, struct file *filp)
+{
+ return single_open(filp, hisi_sas_debugfs_itct_show, inode->i_private);
+}
+
+static const struct file_operations hisi_sas_debugfs_itct_fops = {
+ .open = hisi_sas_debugfs_itct_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+ .owner = THIS_MODULE,
+};
+
static void hisi_sas_debugfs_create_files(struct hisi_hba *hisi_hba)
{
struct dentry *dump_dentry;
@@ -2819,6 +2849,9 @@ static void hisi_sas_debugfs_create_files(struct hisi_hba *hisi_hba)
debugfs_create_file("iost", 0400, dump_dentry, hisi_hba,
&hisi_sas_debugfs_iost_fops);
+ debugfs_create_file("itct", 0400, dump_dentry, hisi_hba,
+ &hisi_sas_debugfs_itct_fops);
+
return;
}
--
1.9.1
