[SCSI] qla2xxx: Add support for system hostname FC transport attribute.

The system hostname will be used during a subsequent FDMI registration
with the fabric.

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

2 files changed, 25 insertions, 0 deletions

diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 463846942e16..4e1e175cb9da 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -857,6 +857,14 @@ qla2x00_get_host_symbolic_name(struct Scsi_Host *shost)
         qla2x00_get_sym_node_name(ha, fc_host_symbolic_name(shost));
 }
 
+static void
+qla2x00_set_host_system_hostname(struct Scsi_Host *shost)
+{
+        scsi_qla_host_t *ha = to_qla_host(shost);
+
+        set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
+}
+
 struct fc_function_template qla2xxx_transport_functions = {
 
         .show_host_node_name = 1,
@@ -871,6 +879,8 @@ struct fc_function_template qla2xxx_transport_functions = {
         .show_host_port_type = 1,
         .get_host_symbolic_name = qla2x00_get_host_symbolic_name,
         .show_host_symbolic_name = 1,
+        .set_host_system_hostname = qla2x00_set_host_system_hostname,
+        .show_host_system_hostname = 1,
 
         .dd_fcrport_size = sizeof(struct fc_port *),
         .show_rport_supported_classes = 1,
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 225cf724dcfb..97fbc62ec669 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -1580,6 +1580,21 @@ qla2x00_fdmi_rpa(scsi_qla_host_t *ha)
         DEBUG13(printk("%s(%ld): OS_DEVICE_NAME=%s.\n", __func__, ha->host_no,
             eiter->a.os_dev_name));
 
+        /* Hostname. */
+        if (strlen(fc_host_system_hostname(ha->host))) {
+                eiter = (struct ct_fdmi_port_attr *) (entries + size);
+                eiter->type = __constant_cpu_to_be16(FDMI_PORT_HOST_NAME);
+                snprintf(eiter->a.host_name, sizeof(eiter->a.host_name),
+                    "%s", fc_host_system_hostname(ha->host));
+                alen = strlen(eiter->a.host_name);
+                alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+                eiter->len = cpu_to_be16(4 + alen);
+                size += 4 + alen;
+
+                DEBUG13(printk("%s(%ld): HOSTNAME=%s.\n", __func__,
+                    ha->host_no, eiter->a.host_name));
+        }
+
         /* Update MS request size. */
         qla2x00_update_ms_fdmi_iocb(ha, size + 16);