SAS_SATA_PORT_SELECTOR,
SAS_LINK_RATE_1_5_GBPS,
SAS_LINK_RATE_3_0_GBPS,
+ SAS_LINK_RATE_6_0_GBPS,
SAS_LINK_VIRTUAL,
};
u8 phy_identifier;
};
-/* The functions by which the transport class and the driver communicate */
-struct sas_function_template {
-};
-
struct sas_phy {
struct device dev;
int number;
+
+ /* phy identification */
struct sas_identify identify;
+
+ /* phy attributes */
enum sas_linkrate negotiated_linkrate;
enum sas_linkrate minimum_linkrate_hw;
enum sas_linkrate minimum_linkrate;
enum sas_linkrate maximum_linkrate_hw;
enum sas_linkrate maximum_linkrate;
u8 port_identifier;
+
+ /* internal state */
+ unsigned int local_attached : 1;
+
+ /* link error statistics */
+ u32 invalid_dword_count;
+ u32 running_disparity_error_count;
+ u32 loss_of_dword_sync_count;
+ u32 phy_reset_problem_count;
+
+ /* the other end of the link */
struct sas_rphy *rphy;
};
dev_to_rphy((cdev)->dev)
#define rphy_to_shost(rphy) \
dev_to_shost((rphy)->dev.parent)
+#define target_to_rphy(targ) \
+ dev_to_rphy((targ)->dev.parent)
+
+struct sas_end_device {
+ struct sas_rphy rphy;
+ /* flags */
+ unsigned ready_led_meaning:1;
+ /* parameters */
+ u16 I_T_nexus_loss_timeout;
+ u16 initiator_response_timeout;
+};
+#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 {
+ 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);
+};
+
extern void sas_remove_host(struct Scsi_Host *);
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 struct scsi_transport_template *
sas_attach_transport(struct sas_function_template *);
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 */