diff options
author | Christoph Hellwig <hch@lst.de> | 2005-09-19 19:59:42 (GMT) |
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committer | James Bottomley <jejb@mulgrave.(none)> | 2005-10-28 19:57:58 (GMT) |
commit | c3ee74c4e91017169c7f1fa74a57ba8502ec49c3 (patch) | |
tree | 44e429eab97f84511ecd1fb7f2e7568c4e5beecc /include | |
parent | d25cf1ced9d446dcd3fd399e15b518fea936f3ed (diff) | |
download | linux-c3ee74c4e91017169c7f1fa74a57ba8502ec49c3.tar.xz |
[SCSI] scsi_transport_sas: support link error attributes
For now supporting the ->get_linkerrors method is mandatory. I'll
probably be beaten to implement the .show_foo variables and different
types of attributes soon..
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'include')
-rw-r--r-- | include/scsi/scsi_transport_sas.h | 23 |
1 files changed, 19 insertions, 4 deletions
diff --git a/include/scsi/scsi_transport_sas.h b/include/scsi/scsi_transport_sas.h index bc4aeb6..38389d8 100644 --- a/include/scsi/scsi_transport_sas.h +++ b/include/scsi/scsi_transport_sas.h @@ -41,20 +41,28 @@ struct sas_identify { u8 phy_identifier; }; -/* The functions by which the transport class and the driver communicate */ -struct sas_function_template { -}; - struct sas_phy { struct device dev; int number; + + /* phy identification */ struct sas_identify identify; + + /* phy attributes */ enum sas_linkrate negotiated_linkrate; enum sas_linkrate minimum_linkrate_hw; enum sas_linkrate minimum_linkrate; enum sas_linkrate maximum_linkrate_hw; enum sas_linkrate maximum_linkrate; u8 port_identifier; + + /* link error statistics */ + u32 invalid_dword_count; + u32 running_disparity_error_count; + u32 loss_of_dword_sync_count; + u32 phy_reset_problem_count; + + /* the other end of the link */ struct sas_rphy *rphy; }; @@ -79,6 +87,13 @@ struct sas_rphy { #define rphy_to_shost(rphy) \ dev_to_shost((rphy)->dev.parent) + +/* The functions by which the transport class and the driver communicate */ +struct sas_function_template { + int (*get_linkerrors)(struct sas_phy *); +}; + + extern void sas_remove_host(struct Scsi_Host *); extern struct sas_phy *sas_phy_alloc(struct device *, int); |