diff options
| -rw-r--r-- | drivers/scsi/scsi_transport_iscsi.c | 35 | ||||
| -rw-r--r-- | include/scsi/iscsi_if.h | 8 | ||||
| -rw-r--r-- | include/scsi/scsi_transport_iscsi.h | 5 |
3 files changed, 45 insertions, 3 deletions
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index 4fbd8e1a0695..1ba98d255fac 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -32,7 +32,7 @@ #define ISCSI_SESSION_ATTRS 11 #define ISCSI_CONN_ATTRS 11 -#define ISCSI_HOST_ATTRS 0 +#define ISCSI_HOST_ATTRS 1 #define ISCSI_TRANSPORT_VERSION "2.0-724" struct iscsi_internal { @@ -1197,6 +1197,25 @@ static ISCSI_CLASS_ATTR(priv_sess, field, S_IRUGO, show_priv_session_##field, \ NULL) iscsi_priv_session_attr(recovery_tmo, "%d"); +/* + * iSCSI host attrs + */ +#define iscsi_host_attr_show(param) \ +static ssize_t \ +show_host_param_##param(struct class_device *cdev, char *buf) \ +{ \ + struct Scsi_Host *shost = transport_class_to_shost(cdev); \ + struct iscsi_internal *priv = to_iscsi_internal(shost->transportt); \ + return priv->iscsi_transport->get_host_param(shost, param, buf); \ +} + +#define iscsi_host_attr(field, param) \ + iscsi_host_attr_show(param) \ +static ISCSI_CLASS_ATTR(host, field, S_IRUGO, show_host_param_##param, \ + NULL); + +iscsi_host_attr(hwaddress, ISCSI_HOST_PARAM_HWADDRESS); + #define SETUP_PRIV_SESSION_RD_ATTR(field) \ do { \ priv->session_attrs[count] = &class_device_attr_priv_sess_##field; \ @@ -1220,6 +1239,14 @@ do { \ } \ } while (0) +#define SETUP_HOST_RD_ATTR(field, param_flag) \ +do { \ + if (tt->host_param_mask & param_flag) { \ + priv->host_attrs[count] = &class_device_attr_host_##field; \ + count++; \ + } \ +} while (0) + static int iscsi_session_match(struct attribute_container *cont, struct device *dev) { @@ -1321,9 +1348,13 @@ iscsi_register_transport(struct iscsi_transport *tt) priv->t.host_attrs.ac.class = &iscsi_host_class.class; priv->t.host_attrs.ac.match = iscsi_host_match; priv->t.host_size = sizeof(struct iscsi_host); - priv->host_attrs[0] = NULL; transport_container_register(&priv->t.host_attrs); + SETUP_HOST_RD_ATTR(hwaddress, ISCSI_HOST_HWADDRESS); + BUG_ON(count > ISCSI_HOST_ATTRS); + priv->host_attrs[count] = NULL; + count = 0; + /* connection parameters */ priv->conn_cont.ac.attrs = &priv->conn_attrs[0]; priv->conn_cont.ac.class = &iscsi_connection_class.class; diff --git a/include/scsi/iscsi_if.h b/include/scsi/iscsi_if.h index 55ebf035e620..fba211743729 100644 --- a/include/scsi/iscsi_if.h +++ b/include/scsi/iscsi_if.h @@ -250,6 +250,14 @@ enum iscsi_param { #define ISCSI_CONN_PORT (1 << ISCSI_PARAM_CONN_PORT) #define ISCSI_CONN_ADDRESS (1 << ISCSI_PARAM_CONN_ADDRESS) +/* iSCSI HBA params */ +enum iscsi_host_param { + ISCSI_HOST_PARAM_HWADDRESS, + ISCSI_HOST_PARAM_MAX, +}; + +#define ISCSI_HOST_HWADDRESS (1 << ISCSI_HOST_PARAM_HWADDRESS) + #define iscsi_ptr(_handle) ((void*)(unsigned long)_handle) #define iscsi_handle(_ptr) ((uint64_t)(unsigned long)_ptr) #define hostdata_session(_hostdata) (iscsi_ptr(*(unsigned long *)_hostdata)) diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h index d5c218ddc527..e962c5357eef 100644 --- a/include/scsi/scsi_transport_iscsi.h +++ b/include/scsi/scsi_transport_iscsi.h @@ -79,7 +79,8 @@ struct iscsi_transport { char *name; unsigned int caps; /* LLD sets this to indicate what values it can export to sysfs */ - unsigned int param_mask; + uint64_t param_mask; + uint64_t host_param_mask; struct scsi_host_template *host_template; /* LLD connection data size */ int conndata_size; @@ -105,6 +106,8 @@ struct iscsi_transport { enum iscsi_param param, char *buf); int (*get_session_param) (struct iscsi_cls_session *session, enum iscsi_param param, char *buf); + int (*get_host_param) (struct Scsi_Host *shost, + enum iscsi_host_param param, char *buf); int (*send_pdu) (struct iscsi_cls_conn *conn, struct iscsi_hdr *hdr, char *data, uint32_t data_size); void (*get_stats) (struct iscsi_cls_conn *conn, |