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[SCSI] scsi_transport_sas: make minimum and maximum linkrate settable quantities

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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>
This commit is contained in:
James Bottomley
2006-09-06 19:25:22 -05:00
committed by James Bottomley
parent 88edf74610
commit d24e1eeb3a
2 changed files with 73 additions and 6 deletions
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6
include/scsi/scsi_transport_sas.h
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@@ -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 *);
};