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| author | Christoph Hellwig <hch@lst.de> | 2005-09-19 21:59:42 +0200 |
|---|---|---|
| committer | James Bottomley <jejb@mulgrave.(none)> | 2005-10-28 14:57:58 -0500 |
| commit | c3ee74c4e91017169c7f1fa74a57ba8502ec49c3 (patch) | |
| tree | 44e429eab97f84511ecd1fb7f2e7568c4e5beecc /drivers | |
| parent | d25cf1ced9d446dcd3fd399e15b518fea936f3ed (diff) | |
| download | linux-c3ee74c4e91017169c7f1fa74a57ba8502ec49c3.tar.gz linux-c3ee74c4e91017169c7f1fa74a57ba8502ec49c3.tar.bz2 linux-c3ee74c4e91017169c7f1fa74a57ba8502ec49c3.zip | |
[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 'drivers')
| -rw-r--r-- | drivers/scsi/scsi_transport_sas.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index 1d145d2f9a38..63445f90097e 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -34,7 +34,7 @@ #define SAS_HOST_ATTRS 0 -#define SAS_PORT_ATTRS 11 +#define SAS_PORT_ATTRS 15 #define SAS_RPORT_ATTRS 5 struct sas_internal { @@ -257,6 +257,26 @@ show_sas_phy_##field(struct class_device *cdev, char *buf) \ sas_phy_show_linkspeed(field) \ static CLASS_DEVICE_ATTR(field, S_IRUGO, show_sas_phy_##field, NULL) +#define sas_phy_show_linkerror(field) \ +static ssize_t \ +show_sas_phy_##field(struct class_device *cdev, char *buf) \ +{ \ + struct sas_phy *phy = transport_class_to_phy(cdev); \ + struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); \ + struct sas_internal *i = to_sas_internal(shost->transportt); \ + int error; \ + \ + error = i->f->get_linkerrors(phy); \ + if (error) \ + return error; \ + return snprintf(buf, 20, "%u\n", phy->field); \ +} + +#define sas_phy_linkerror_attr(field) \ + sas_phy_show_linkerror(field) \ +static CLASS_DEVICE_ATTR(field, S_IRUGO, show_sas_phy_##field, NULL) + + static ssize_t show_sas_device_type(struct class_device *cdev, char *buf) { @@ -282,6 +302,10 @@ sas_phy_linkspeed_attr(minimum_linkrate_hw); sas_phy_linkspeed_attr(minimum_linkrate); sas_phy_linkspeed_attr(maximum_linkrate_hw); sas_phy_linkspeed_attr(maximum_linkrate); +sas_phy_linkerror_attr(invalid_dword_count); +sas_phy_linkerror_attr(running_disparity_error_count); +sas_phy_linkerror_attr(loss_of_dword_sync_count); +sas_phy_linkerror_attr(phy_reset_problem_count); static DECLARE_TRANSPORT_CLASS(sas_phy_class, @@ -749,6 +773,11 @@ sas_attach_transport(struct sas_function_template *ft) SETUP_PORT_ATTRIBUTE(minimum_linkrate); SETUP_PORT_ATTRIBUTE(maximum_linkrate_hw); SETUP_PORT_ATTRIBUTE(maximum_linkrate); + + SETUP_PORT_ATTRIBUTE(invalid_dword_count); + SETUP_PORT_ATTRIBUTE(running_disparity_error_count); + SETUP_PORT_ATTRIBUTE(loss_of_dword_sync_count); + SETUP_PORT_ATTRIBUTE(phy_reset_problem_count); i->phy_attrs[count] = NULL; count = 0; |