diff options
Diffstat (limited to 'include/scsi/scsi_transport_sas.h')
| -rw-r--r-- | include/scsi/scsi_transport_sas.h | 37 |
1 files changed, 25 insertions, 12 deletions
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h index 6cc2314098cf7..53024377f3b84 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 */ |