@@ -2630,6 +2630,24 @@ static int hisi_sas_debugfs_port_open(struct inode *inode, struct file *filp)
.owner = THIS_MODULE,
};
+static int hisi_sas_show_row_64(struct seq_file *s, int index,
+ int sz, u64 *ptr)
+{
+ int i;
+
+ /* completion header size not fixed per HW version */
+ seq_printf(s, "index %04d:\n\t", index);
+ for (i = 1; i <= sz / 8; i++, ptr++) {
+ seq_printf(s, " 0x%016llx", le64_to_cpu(*ptr));
+ if (!(i % 2))
+ seq_puts(s, "\n\t");
+ }
+
+ seq_puts(s, "\n");
+
+ return 0;
+}
+
static int hisi_sas_show_row_32(struct seq_file *s, int index,
int sz, u32 *ptr)
{
@@ -2722,6 +2740,35 @@ static int hisi_sas_debugfs_dq_open(struct inode *inode, struct file *filp)
.owner = THIS_MODULE,
};
+static int hisi_sas_debugfs_iost_show(struct seq_file *s, void *p)
+{
+ struct hisi_hba *hisi_hba = s->private;
+ struct hisi_sas_iost *debugfs_iost = hisi_hba->debugfs_iost;
+ int i, ret, max_command_entries = hisi_hba->hw->max_command_entries;
+
+ for (i = 0; i < max_command_entries; i++, debugfs_iost++) {
+ ret = hisi_sas_show_row_64(s, i, sizeof(*debugfs_iost),
+ (u64 *)debugfs_iost);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int hisi_sas_debugfs_iost_open(struct inode *inode, struct file *filp)
+{
+ return single_open(filp, hisi_sas_debugfs_iost_show, inode->i_private);
+}
+
+static const struct file_operations hisi_sas_debugfs_iost_fops = {
+ .open = hisi_sas_debugfs_iost_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;
@@ -2783,6 +2830,10 @@ static void hisi_sas_debugfs_create_files(struct hisi_hba *hisi_hba)
goto fail;
}
+ if (!debugfs_create_file("iost", 0400, dump_dentry, hisi_hba,
+ &hisi_sas_debugfs_iost_fops))
+ goto fail;
+
return;
fail:
debugfs_remove_recursive(hisi_hba->debugfs_dir);