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Diffstat (limited to 'include/scsi/scsi_transport_sas.h')
-rw-r--r--include/scsi/scsi_transport_sas.h39
1 files changed, 25 insertions, 14 deletions
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index 09125fa95b9..0bd71e2702e 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -10,13 +10,6 @@ struct scsi_transport_template;
struct sas_rphy;
struct request;
-enum sas_device_type {
- SAS_PHY_UNUSED = 0,
- SAS_END_DEVICE = 1,
- SAS_EDGE_EXPANDER_DEVICE = 2,
- SAS_FANOUT_EXPANDER_DEVICE = 3,
-};
-
static inline int sas_protocol_ata(enum sas_protocol proto)
{
return ((proto & SAS_PROTOCOL_SATA) ||
@@ -36,6 +29,7 @@ enum sas_linkrate {
SAS_LINK_RATE_3_0_GBPS = 9,
SAS_LINK_RATE_G2 = SAS_LINK_RATE_3_0_GBPS,
SAS_LINK_RATE_6_0_GBPS = 10,
+ SAS_LINK_RATE_12_0_GBPS = 11,
/* These are virtual to the transport class and may never
* be signalled normally since the standard defined field
* is only 4 bits */
@@ -75,13 +69,14 @@ struct sas_phy {
/* for the list of phys belonging to a port */
struct list_head port_siblings;
- struct work_struct reset_work;
+ /* available to the lldd */
+ void *hostdata;
};
#define dev_to_phy(d) \
container_of((d), struct sas_phy, dev)
-#define transport_class_to_phy(cdev) \
- dev_to_phy((cdev)->dev)
+#define transport_class_to_phy(dev) \
+ dev_to_phy((dev)->parent)
#define phy_to_shost(phy) \
dev_to_shost((phy)->dev.parent)
@@ -96,8 +91,8 @@ struct sas_rphy {
#define dev_to_rphy(d) \
container_of((d), struct sas_rphy, dev)
-#define transport_class_to_rphy(cdev) \
- dev_to_rphy((cdev)->dev)
+#define transport_class_to_rphy(dev) \
+ dev_to_rphy((dev)->parent)
#define rphy_to_shost(rphy) \
dev_to_shost((rphy)->dev.parent)
#define target_to_rphy(targ) \
@@ -107,6 +102,8 @@ struct sas_end_device {
struct sas_rphy rphy;
/* flags */
unsigned ready_led_meaning:1;
+ unsigned tlr_supported:1;
+ unsigned tlr_enabled:1;
/* parameters */
u16 I_T_nexus_loss_timeout;
u16 initiator_response_timeout;
@@ -152,8 +149,8 @@ struct sas_port {
#define dev_to_sas_port(d) \
container_of((d), struct sas_port, dev)
-#define transport_class_to_sas_port(cdev) \
- dev_to_sas_port((cdev)->dev)
+#define transport_class_to_sas_port(dev) \
+ dev_to_sas_port((dev)->parent)
struct sas_phy_linkrates {
enum sas_linkrate maximum_linkrate;
@@ -167,6 +164,8 @@ struct sas_function_template {
int (*get_bay_identifier)(struct sas_rphy *);
int (*phy_reset)(struct sas_phy *, int);
int (*phy_enable)(struct sas_phy *, int);
+ int (*phy_setup)(struct sas_phy *);
+ void (*phy_release)(struct sas_phy *);
int (*set_phy_speed)(struct sas_phy *, struct sas_phy_linkrates *);
int (*smp_handler)(struct Scsi_Host *, struct sas_rphy *, struct request *);
};
@@ -181,12 +180,18 @@ extern int sas_phy_add(struct sas_phy *);
extern void sas_phy_delete(struct sas_phy *);
extern int scsi_is_sas_phy(const struct device *);
+unsigned int sas_tlr_supported(struct scsi_device *);
+unsigned int sas_is_tlr_enabled(struct scsi_device *);
+void sas_disable_tlr(struct scsi_device *);
+void sas_enable_tlr(struct scsi_device *);
+
extern struct sas_rphy *sas_end_device_alloc(struct sas_port *);
extern struct sas_rphy *sas_expander_alloc(struct sas_port *, enum sas_device_type);
void sas_rphy_free(struct sas_rphy *);
extern int sas_rphy_add(struct sas_rphy *);
extern void sas_rphy_remove(struct sas_rphy *);
extern void sas_rphy_delete(struct sas_rphy *);
+extern void sas_rphy_unlink(struct sas_rphy *);
extern int scsi_is_sas_rphy(const struct device *);
struct sas_port *sas_port_alloc(struct device *, int);
@@ -198,6 +203,12 @@ void sas_port_add_phy(struct sas_port *, struct sas_phy *);
void sas_port_delete_phy(struct sas_port *, struct sas_phy *);
void sas_port_mark_backlink(struct sas_port *);
int scsi_is_sas_port(const struct device *);
+struct sas_phy *sas_port_get_phy(struct sas_port *port);
+static inline void sas_port_put_phy(struct sas_phy *phy)
+{
+ if (phy)
+ put_device(&phy->dev);
+}
extern struct scsi_transport_template *
sas_attach_transport(struct sas_function_template *);