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| author | James Bottomley <James.Bottomley@steeleye.com> | 2006-09-07 04:25:22 +0400 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.il.steeleye.com> | 2006-09-08 00:16:44 +0400 |
| commit | d24e1eeb3a16e4944288c2f3bf082e1513f4b425 (patch) | |
| tree | 395812a03c26a8693c23362eb403048164352dd6 /include/scsi/scsi_transport_sas.h | |
| parent | 88edf74610bd894b93438f389688bc8b4a2d3414 (diff) | |
| download | linux-d24e1eeb3a16e4944288c2f3bf082e1513f4b425.tar.xz | |
[SCSI] scsi_transport_sas: make minimum and maximum linkrate settable quantities
According to SPEC, the minimum_linkrate and maximum_linkrate should be
settable by the user. This patch introduces a callback that allows the
sas class to pass these settings on to the driver.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'include/scsi/scsi_transport_sas.h')
| -rw-r--r-- | include/scsi/scsi_transport_sas.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h index 87de518960c1..53024377f3b8 100644 --- a/include/scsi/scsi_transport_sas.h +++ b/include/scsi/scsi_transport_sas.h @@ -150,12 +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 *); }; |