static struct dentry *qla2x00_dfs_root;
static atomic_t qla2x00_dfs_root_count;
+#define QLA_DFS_RPORT_DEVLOSS_TMO 1
+
+static int
+qla_dfs_rport_get(struct fc_port *fp, int attr_id, u64 *val)
+{
+ switch (attr_id) {
+ case QLA_DFS_RPORT_DEVLOSS_TMO:
+ /* Only supported for FC-NVMe devices that are registered. */
+ if (!(fp->nvme_flag & NVME_FLAG_REGISTERED))
+ return -EIO;
+ *val = fp->nvme_remote_port->dev_loss_tmo;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static int
+qla_dfs_rport_set(struct fc_port *fp, int attr_id, u64 val)
+{
+ switch (attr_id) {
+ case QLA_DFS_RPORT_DEVLOSS_TMO:
+ /* Only supported for FC-NVMe devices that are registered. */
+ if (!(fp->nvme_flag & NVME_FLAG_REGISTERED))
+ return -EIO;
+#if (IS_ENABLED(CONFIG_NVME_FC))
+ return nvme_fc_set_remoteport_devloss(fp->nvme_remote_port,
+ val);
+#else /* CONFIG_NVME_FC */
+ return -EINVAL;
+#endif /* CONFIG_NVME_FC */
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+#define DEFINE_QLA_DFS_RPORT_RW_ATTR(_attr_id, _attr) \
+static int qla_dfs_rport_##_attr##_get(void *data, u64 *val) \
+{ \
+ struct fc_port *fp = data; \
+ return qla_dfs_rport_get(fp, _attr_id, val); \
+} \
+static int qla_dfs_rport_##_attr##_set(void *data, u64 val) \
+{ \
+ struct fc_port *fp = data; \
+ return qla_dfs_rport_set(fp, _attr_id, val); \
+} \
+DEFINE_DEBUGFS_ATTRIBUTE(qla_dfs_rport_##_attr##_fops, \
+ qla_dfs_rport_##_attr##_get, \
+ qla_dfs_rport_##_attr##_set, "%llu\n")
+
+/*
+ * Wrapper for getting fc_port fields.
+ *
+ * _attr : Attribute name.
+ * _get_val : Accessor macro to retrieve the value.
+ */
+#define DEFINE_QLA_DFS_RPORT_FIELD_GET(_attr, _get_val) \
+static int qla_dfs_rport_field_##_attr##_get(void *data, u64 *val) \
+{ \
+ struct fc_port *fp = data; \
+ *val = _get_val; \
+ return 0; \
+} \
+DEFINE_DEBUGFS_ATTRIBUTE(qla_dfs_rport_field_##_attr##_fops, \
+ qla_dfs_rport_field_##_attr##_get, \
+ NULL, "%llu\n")
+
+#define DEFINE_QLA_DFS_RPORT_ACCESS(_attr, _get_val) \
+ DEFINE_QLA_DFS_RPORT_FIELD_GET(_attr, _get_val)
+
+#define DEFINE_QLA_DFS_RPORT_FIELD(_attr) \
+ DEFINE_QLA_DFS_RPORT_FIELD_GET(_attr, fp->_attr)
+
+DEFINE_QLA_DFS_RPORT_RW_ATTR(QLA_DFS_RPORT_DEVLOSS_TMO, dev_loss_tmo);
+
+DEFINE_QLA_DFS_RPORT_FIELD(disc_state);
+DEFINE_QLA_DFS_RPORT_FIELD(scan_state);
+DEFINE_QLA_DFS_RPORT_FIELD(fw_login_state);
+DEFINE_QLA_DFS_RPORT_FIELD(login_pause);
+DEFINE_QLA_DFS_RPORT_FIELD(flags);
+DEFINE_QLA_DFS_RPORT_FIELD(nvme_flag);
+DEFINE_QLA_DFS_RPORT_FIELD(last_rscn_gen);
+DEFINE_QLA_DFS_RPORT_FIELD(rscn_gen);
+DEFINE_QLA_DFS_RPORT_FIELD(login_gen);
+DEFINE_QLA_DFS_RPORT_FIELD(loop_id);
+DEFINE_QLA_DFS_RPORT_FIELD_GET(port_id, fp->d_id.b24);
+DEFINE_QLA_DFS_RPORT_FIELD_GET(sess_kref, kref_read(&fp->sess_kref));
+
+void
+qla2x00_dfs_create_rport(scsi_qla_host_t *vha, struct fc_port *fp)
+{
+ char wwn[32];
+
+#define QLA_CREATE_RPORT_FIELD_ATTR(_attr) \
+ debugfs_create_file(#_attr, 0400, fp->dfs_rport_dir, \
+ fp, &qla_dfs_rport_field_##_attr##_fops)
+
+ if (!vha->dfs_rport_root || fp->dfs_rport_dir)
+ return;
+
+ sprintf(wwn, "pn-%016llx", wwn_to_u64(fp->port_name));
+ fp->dfs_rport_dir = debugfs_create_dir(wwn, vha->dfs_rport_root);
+ if (!fp->dfs_rport_dir)
+ return;
+ if (NVME_TARGET(vha->hw, fp))
+ debugfs_create_file("dev_loss_tmo", 0600, fp->dfs_rport_dir,
+ fp, &qla_dfs_rport_dev_loss_tmo_fops);
+
+ QLA_CREATE_RPORT_FIELD_ATTR(disc_state);
+ QLA_CREATE_RPORT_FIELD_ATTR(scan_state);
+ QLA_CREATE_RPORT_FIELD_ATTR(fw_login_state);
+ QLA_CREATE_RPORT_FIELD_ATTR(login_pause);
+ QLA_CREATE_RPORT_FIELD_ATTR(flags);
+ QLA_CREATE_RPORT_FIELD_ATTR(nvme_flag);
+ QLA_CREATE_RPORT_FIELD_ATTR(last_rscn_gen);
+ QLA_CREATE_RPORT_FIELD_ATTR(rscn_gen);
+ QLA_CREATE_RPORT_FIELD_ATTR(login_gen);
+ QLA_CREATE_RPORT_FIELD_ATTR(loop_id);
+ QLA_CREATE_RPORT_FIELD_ATTR(port_id);
+ QLA_CREATE_RPORT_FIELD_ATTR(sess_kref);
+}
+
+void
+qla2x00_dfs_remove_rport(scsi_qla_host_t *vha, struct fc_port *fp)
+{
+ if (!vha->dfs_rport_root || !fp->dfs_rport_dir)
+ return;
+ debugfs_remove_recursive(fp->dfs_rport_dir);
+ fp->dfs_rport_dir = NULL;
+}
+
static int
qla2x00_dfs_tgt_sess_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, *gid;
+ 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, 0x7018,
- "DMA allocation failed for %u\n",
- qla2x00_gid_list_size(ha));
- return 0;
- }
+ 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, 0x7018,
+ "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;
+ rc = qla24xx_gidlist_wait(vha, gid_list, gid_list_dma,
+ &entries);
+ if (rc != QLA_SUCCESS)
+ goto out_free_id_list;
- gid = gid_list;
+ id_iter = (char *)gid_list;
- seq_puts(s, "Port Name Port ID Loop ID\n");
+ seq_puts(s, "Port Name Port ID Loop ID\n");
- for (i = 0; i < entries; i++) {
- loop_id = le16_to_cpu(gid->loop_id);
- memset(&fc_port, 0, sizeof(fc_port_t));
+ 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;
+ 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);
- gid = (void *)gid + 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);
+ 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;
}
struct scsi_qla_host *vha = s->private;
uint16_t mb[MAX_IOCB_MB_REG];
int rc;
+ struct qla_hw_data *ha = vha->hw;
+ u16 iocbs_used, i;
rc = qla24xx_res_count_wait(vha, mb, SIZEOF_IOCB_MB_REG);
if (rc != QLA_SUCCESS) {
mb[23]);
}
+ if (ql2xenforce_iocb_limit) {
+ /* lock is not require. It's an estimate. */
+ iocbs_used = ha->base_qpair->fwres.iocbs_used;
+ for (i = 0; i < ha->max_qpairs; i++) {
+ if (ha->queue_pair_map[i])
+ iocbs_used += ha->queue_pair_map[i]->fwres.iocbs_used;
+ }
+
+ seq_printf(s, "Driver: estimate iocb used [%d] high water limit [%d]\n",
+ iocbs_used, ha->base_qpair->fwres.iocbs_limit);
+ }
+
return 0;
}
ha->tgt.dfs_tgt_sess = debugfs_create_file("tgt_sess",
S_IRUSR, ha->dfs_dir, vha, &dfs_tgt_sess_ops);
- if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha))
+ if (IS_QLA27XX(ha) || IS_QLA83XX(ha) || IS_QLA28XX(ha)) {
ha->tgt.dfs_naqp = debugfs_create_file("naqp",
0400, ha->dfs_dir, vha, &dfs_naqp_ops);
+ if (!ha->tgt.dfs_naqp) {
+ ql_log(ql_log_warn, vha, 0xd011,
+ "Unable to create debugFS naqp node.\n");
+ goto out;
+ }
+ }
+ vha->dfs_rport_root = debugfs_create_dir("rports", ha->dfs_dir);
+ if (!vha->dfs_rport_root) {
+ ql_log(ql_log_warn, vha, 0xd012,
+ "Unable to create debugFS rports node.\n");
+ goto out;
+ }
out:
return 0;
}
ha->dfs_fce = NULL;
}
+ if (vha->dfs_rport_root) {
+ debugfs_remove_recursive(vha->dfs_rport_root);
+ vha->dfs_rport_root = NULL;
+ }
+
if (ha->dfs_dir) {
debugfs_remove(ha->dfs_dir);
ha->dfs_dir = NULL;
projects / linux-2.6-microblaze.git / blobdiff