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| author | Dan Williams <dan.j.williams@intel.com> | 2011-12-20 01:03:48 -0800 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-02-19 14:11:33 -0600 |
| commit | 0b3e09da1350397f3f8b6fd839ab455b0b587451 (patch) | |
| tree | f822bb4dcaa52d5d568104932ee55ee136dcf039 /include/scsi | |
| parent | b52df4174dff7e587f6fbfb21e3c2cb57109e5cf (diff) | |
| download | linux-0b3e09da1350397f3f8b6fd839ab455b0b587451.tar.gz linux-0b3e09da1350397f3f8b6fd839ab455b0b587451.tar.bz2 linux-0b3e09da1350397f3f8b6fd839ab455b0b587451.zip | |
[SCSI] libsas: perform sas-transport resets in shost->workq context
Extend the sas transport class to allow transport users to attach extra
data to a sas_phy (->hostdata). Use this area in libsas to move resets
to workq context in preparation for scheduling ata device resets through
libata-eh.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'include/scsi')
| -rw-r--r-- | include/scsi/scsi_transport_sas.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h index 6d14daac7589..42817facaeda 100644 --- a/include/scsi/scsi_transport_sas.h +++ b/include/scsi/scsi_transport_sas.h @@ -75,7 +75,8 @@ 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) \ @@ -169,6 +170,8 @@ 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 *); }; |