struct sas_identify identify;
struct list_head list;
u32 scsi_target_id;
- /* temporary expedient: mark the rphy as being contained
- * within a type specific rphy
- * FIXME: pull this out when everything uses the containers */
- unsigned contained:1;
};
#define dev_to_rphy(d) \
#define rphy_to_end_device(r) \
container_of((r), struct sas_end_device, rphy)
+struct sas_expander_device {
+ int level;
+
+ #define SAS_EXPANDER_VENDOR_ID_LEN 8
+ char vendor_id[SAS_EXPANDER_VENDOR_ID_LEN+1];
+ #define SAS_EXPANDER_PRODUCT_ID_LEN 16
+ char product_id[SAS_EXPANDER_PRODUCT_ID_LEN+1];
+ #define SAS_EXPANDER_PRODUCT_REV_LEN 4
+ char product_rev[SAS_EXPANDER_PRODUCT_REV_LEN+1];
+ #define SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN 8
+ char component_vendor_id[SAS_EXPANDER_COMPONENT_VENDOR_ID_LEN+1];
+ u16 component_id;
+ u8 component_revision_id;
+
+ struct sas_rphy rphy;
+
+};
+#define rphy_to_expander_device(r) \
+ container_of((r), struct sas_expander_device, rphy)
/* The functions by which the transport class and the driver communicate */
struct sas_function_template {
extern void sas_phy_delete(struct sas_phy *);
extern int scsi_is_sas_phy(const struct device *);
-extern struct sas_rphy *sas_rphy_alloc(struct sas_phy *);
extern struct sas_rphy *sas_end_device_alloc(struct sas_phy *);
+extern struct sas_rphy *sas_expander_alloc(struct sas_phy *, enum sas_device_type);
void sas_rphy_free(struct sas_rphy *);
extern int sas_rphy_add(struct sas_rphy *);
extern void sas_rphy_delete(struct sas_rphy *);
extern void sas_release_transport(struct scsi_transport_template *);
int sas_read_port_mode_page(struct scsi_device *);
+static inline int
+scsi_is_sas_expander_device(struct device *dev)
+{
+ struct sas_rphy *rphy;
+ if (!scsi_is_sas_rphy(dev))
+ return 0;
+ rphy = dev_to_rphy(dev);
+ return rphy->identify.device_type == SAS_FANOUT_EXPANDER_DEVICE ||
+ rphy->identify.device_type == SAS_EDGE_EXPANDER_DEVICE;
+}
+
#endif /* SCSI_TRANSPORT_SAS_H */