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qla2xxx: Add DebugFS node to display Port Database

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Signed-off-by: Himanshu Madhani <himanshu.madhani@cavium.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@cavium.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Himanshu Madhani 2017-03-15 09:48:53 -07:00 committed by Nicholas Bellinger
parent 15f30a5752
commit c423437e3f
2 changed files with 90 additions and 4 deletions
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2
drivers/scsi/qla2xxx/qla_def.h
View File

@ -3300,6 +3300,8 @@ struct qlt_hw_data {
uint8_t tgt_node_name[WWN_SIZE];
struct dentry *dfs_tgt_sess;
struct dentry *dfs_tgt_port_database;
struct list_head q_full_list;
uint32_t num_pend_cmds;
uint32_t num_qfull_cmds_alloc;

92
drivers/scsi/qla2xxx/qla_dfs.c
View File

@ -19,11 +19,11 @@ qla2x00_dfs_tgt_sess_show(struct seq_file *s, void *unused)
struct qla_hw_data *ha = vha->hw;
unsigned long flags;
struct fc_port *sess = NULL;
struct qla_tgt *tgt= vha->vha_tgt.qla_tgt;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
seq_printf(s, "%s\n",vha->host_str);
seq_printf(s, "%s\n", vha->host_str);
if (tgt) {
seq_printf(s, "Port ID Port Name Handle\n");
seq_puts(s, "Port ID Port Name Handle\n");
spin_lock_irqsave(&ha->tgt.sess_lock, flags);
list_for_each_entry(sess, &vha->vp_fcports, list)
@ -44,7 +44,6 @@ qla2x00_dfs_tgt_sess_open(struct inode *inode, struct file *file)
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,
@ -52,6 +51,78 @@ static const struct file_operations dfs_tgt_sess_ops = {
.release = single_release,
};
static int
qla2x00_dfs_tgt_port_database_show(struct seq_file *s, void *unused)
{
scsi_qla_host_t *vha = s->private;
struct qla_hw_data *ha = vha->hw;
struct gid_list_info *gid_list;
dma_addr_t gid_list_dma;
fc_port_t fc_port;
char *id_iter;
int rc, i;
uint16_t entries, loop_id;
struct qla_tgt *tgt = vha->vha_tgt.qla_tgt;
seq_printf(s, "%s\n", vha->host_str);
if (tgt) {
gid_list = dma_alloc_coherent(&ha->pdev->dev,
qla2x00_gid_list_size(ha),
&gid_list_dma, GFP_KERNEL);
if (!gid_list) {
ql_dbg(ql_dbg_user, vha, 0x705c,
"DMA allocation failed for %u\n",
qla2x00_gid_list_size(ha));
return 0;
}
rc = qla24xx_gidlist_wait(vha, gid_list, gid_list_dma,
&entries);
if (rc != QLA_SUCCESS)
goto out_free_id_list;
id_iter = (char *)gid_list;
seq_puts(s, "Port Name Port ID Loop ID\n");
for (i = 0; i < entries; i++) {
struct gid_list_info *gid =
(struct gid_list_info *)id_iter;
loop_id = le16_to_cpu(gid->loop_id);
memset(&fc_port, 0, sizeof(fc_port_t));
fc_port.loop_id = loop_id;
rc = qla24xx_gpdb_wait(vha, &fc_port, 0);
seq_printf(s, "%8phC %02x%02x%02x %d\n",
fc_port.port_name, fc_port.d_id.b.domain,
fc_port.d_id.b.area, fc_port.d_id.b.al_pa,
fc_port.loop_id);
id_iter += ha->gid_list_info_size;
}
out_free_id_list:
dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha),
gid_list, gid_list_dma);
}
return 0;
}
static int
qla2x00_dfs_tgt_port_database_open(struct inode *inode, struct file *file)
{
scsi_qla_host_t *vha = inode->i_private;
return single_open(file, qla2x00_dfs_tgt_port_database_show, vha);
}
static const struct file_operations dfs_tgt_port_database_ops = {
.open = qla2x00_dfs_tgt_port_database_open,
.read = seq_read,
.llseek = seq_lseek,
.release = single_release,
};
static int
qla_dfs_fw_resource_cnt_show(struct seq_file *s, void *unused)
{
@ -296,6 +367,14 @@ create_nodes:
goto out;
}
ha->tgt.dfs_tgt_port_database = debugfs_create_file("tgt_port_database",
S_IRUSR, ha->dfs_dir, vha, &dfs_tgt_port_database_ops);
if (!ha->tgt.dfs_tgt_port_database) {
ql_log(ql_log_warn, vha, 0xffff,
"Unable to create debugFS tgt_port_database node.\n");
goto out;
}
ha->dfs_fce = debugfs_create_file("fce", S_IRUSR, ha->dfs_dir, vha,
&dfs_fce_ops);
if (!ha->dfs_fce) {
@ -326,6 +405,11 @@ qla2x00_dfs_remove(scsi_qla_host_t *vha)
ha->tgt.dfs_tgt_sess = NULL;
}
if (ha->tgt.dfs_tgt_port_database) {
debugfs_remove(ha->tgt.dfs_tgt_port_database);
ha->tgt.dfs_tgt_port_database = NULL;
}
if (ha->dfs_fw_resource_cnt) {
debugfs_remove(ha->dfs_fw_resource_cnt);
ha->dfs_fw_resource_cnt = NULL;