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authorJeff Garzik <jeff@garzik.org>2006-09-24 01:52:47 -0400
committerJeff Garzik <jeff@garzik.org>2006-09-24 01:52:47 -0400
commit23930fa1cebfea6f79881c588ccd1b0781e49e3f (patch)
tree36d29e3f83661c4f5f45b6f74ac0d5f9886867a8 /include/scsi/scsi_transport_sas.h
parent36b35a5be0e4b406acd816e2122d153e875105be (diff)
parent4f5537de7c1531398e84e18a24f667e49cc94208 (diff)
Merge branch 'master' into upstream
Diffstat (limited to 'include/scsi/scsi_transport_sas.h')
-rw-r--r--include/scsi/scsi_transport_sas.h37
1 files changed, 25 insertions, 12 deletions
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h
index 6cc2314098c..53024377f3b 100644
--- a/include/scsi/scsi_transport_sas.h
+++ b/include/scsi/scsi_transport_sas.h
@@ -24,15 +24,23 @@ enum sas_protocol {
};
enum sas_linkrate {
- SAS_LINK_RATE_UNKNOWN,
- SAS_PHY_DISABLED,
- SAS_LINK_RATE_FAILED,
- SAS_SATA_SPINUP_HOLD,
- 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,
+ /* These Values are defined in the SAS standard */
+ SAS_LINK_RATE_UNKNOWN = 0,
+ SAS_PHY_DISABLED = 1,
+ SAS_PHY_RESET_PROBLEM = 2,
+ SAS_SATA_SPINUP_HOLD = 3,
+ SAS_SATA_PORT_SELECTOR = 4,
+ SAS_PHY_RESET_IN_PROGRESS = 5,
+ SAS_LINK_RATE_1_5_GBPS = 8,
+ SAS_LINK_RATE_G1 = SAS_LINK_RATE_1_5_GBPS,
+ SAS_LINK_RATE_3_0_GBPS = 9,
+ SAS_LINK_RATE_G2 = SAS_LINK_RATE_3_0_GBPS,
+ SAS_LINK_RATE_6_0_GBPS = 10,
+ /* These are virtual to the transport class and may never
+ * be signalled normally since the standard defined field
+ * is only 4 bits */
+ SAS_LINK_RATE_FAILED = 0x10,
+ SAS_PHY_VIRTUAL = 0x11,
};
struct sas_identify {
@@ -57,9 +65,6 @@ struct sas_phy {
enum sas_linkrate maximum_linkrate_hw;
enum sas_linkrate maximum_linkrate;
- /* internal state */
- unsigned int local_attached : 1;
-
/* link error statistics */
u32 invalid_dword_count;
u32 running_disparity_error_count;
@@ -145,12 +150,18 @@ struct sas_port {
#define transport_class_to_sas_port(cdev) \
dev_to_sas_port((cdev)->dev)
+struct sas_phy_linkrates {
+ enum sas_linkrate maximum_linkrate;
+ enum sas_linkrate minimum_linkrate;
+};
+
/* 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);
+ int (*set_phy_speed)(struct sas_phy *, struct sas_phy_linkrates *);
};
@@ -196,4 +207,6 @@ scsi_is_sas_expander_device(struct device *dev)
rphy->identify.device_type == SAS_EDGE_EXPANDER_DEVICE;
}
+#define scsi_is_sas_phy_local(phy) scsi_is_host_device((phy)->dev.parent)
+
#endif /* SCSI_TRANSPORT_SAS_H */