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Commit 5979f33b authored by Luo Jiaxing's avatar Luo Jiaxing Committed by Martin K. Petersen
Browse files

scsi: hisi_sas: Add debugfs ITCT file and add file operations 



This patch creates debugfs file for ITCT and adds file operations.

Signed-off-by: default avatarLuo Jiaxing <luojiaxing@huawei.com>
Signed-off-by: default avatarJohn Garry <john.garry@huawei.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 5b0eeac4

drivers/scsi/hisi_sas/hisi_sas_main.c

+33 −0
Original line number Diff line number Diff line
@@ -2769,6 +2769,36 @@ static const struct file_operations hisi_sas_debugfs_iost_fops = { 
	.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;
@@ -2815,6 +2845,9 @@ 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;

}