diff options
| -rw-r--r-- | drivers/scsi/scsi_transport_sas.c | 53 | ||||
| -rw-r--r-- | include/scsi/scsi_transport_sas.h | 2 |
2 files changed, 53 insertions, 2 deletions
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index 205542988e29..eab5c7c6f3c7 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2005 Dell Inc. + * Copyright (C) 2005-2006 Dell Inc. * Released under GPL v2. * * Serial Attached SCSI (SAS) transport class. @@ -38,7 +38,7 @@ #define SAS_HOST_ATTRS 0 #define SAS_PORT_ATTRS 17 -#define SAS_RPORT_ATTRS 5 +#define SAS_RPORT_ATTRS 7 struct sas_internal { struct scsi_transport_template t; @@ -533,6 +533,53 @@ show_sas_rphy_device_type(struct class_device *cdev, char *buf) static SAS_CLASS_DEVICE_ATTR(rphy, device_type, S_IRUGO, show_sas_rphy_device_type, NULL); +static ssize_t +show_sas_rphy_enclosure_identifier(struct class_device *cdev, char *buf) +{ + struct sas_rphy *rphy = transport_class_to_rphy(cdev); + struct sas_phy *phy = dev_to_phy(rphy->dev.parent); + struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); + struct sas_internal *i = to_sas_internal(shost->transportt); + u64 identifier; + int error; + + /* + * Only devices behind an expander are supported, because the + * enclosure identifier is a SMP feature. + */ + if (phy->local_attached) + return -EINVAL; + + error = i->f->get_enclosure_identifier(rphy, &identifier); + if (error) + return error; + return sprintf(buf, "0x%llx\n", (unsigned long long)identifier); +} + +static SAS_CLASS_DEVICE_ATTR(rphy, enclosure_identifier, S_IRUGO, + show_sas_rphy_enclosure_identifier, NULL); + +static ssize_t +show_sas_rphy_bay_identifier(struct class_device *cdev, char *buf) +{ + struct sas_rphy *rphy = transport_class_to_rphy(cdev); + struct sas_phy *phy = dev_to_phy(rphy->dev.parent); + struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); + struct sas_internal *i = to_sas_internal(shost->transportt); + int val; + + if (phy->local_attached) + return -EINVAL; + + val = i->f->get_bay_identifier(rphy); + if (val < 0) + return val; + return sprintf(buf, "%d\n", val); +} + +static SAS_CLASS_DEVICE_ATTR(rphy, bay_identifier, S_IRUGO, + show_sas_rphy_bay_identifier, NULL); + sas_rphy_protocol_attr(identify.initiator_port_protocols, initiator_port_protocols); sas_rphy_protocol_attr(identify.target_port_protocols, target_port_protocols); @@ -845,6 +892,8 @@ sas_attach_transport(struct sas_function_template *ft) SETUP_RPORT_ATTRIBUTE(rphy_device_type); SETUP_RPORT_ATTRIBUTE(rphy_sas_address); SETUP_RPORT_ATTRIBUTE(rphy_phy_identifier); + SETUP_RPORT_ATTRIBUTE(rphy_enclosure_identifier); + SETUP_RPORT_ATTRIBUTE(rphy_bay_identifier); i->rphy_attrs[count] = NULL; return &i->t; diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h index b91400bfb02a..ccef5d2cf478 100644 --- a/include/scsi/scsi_transport_sas.h +++ b/include/scsi/scsi_transport_sas.h @@ -94,6 +94,8 @@ struct sas_rphy { /* The functions by which the transport class and the driver communicate */ struct sas_function_template { int (*get_linkerrors)(struct sas_phy *); + int (*get_enclosure_identifier)(struct sas_rphy *, u64 *); + int (*get_bay_identifier)(struct sas_rphy *); int (*phy_reset)(struct sas_phy *, int); }; |