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| author |   Andrew Vasquez <andrew.vasquez@qlogic.com> | 2005-10-27 16:03:37 -0700 |
|---|---|---|
| committer |   James Bottomley <jejb@mulgrave.(none)> | 2005-10-28 19:35:25 -0500 |
| commit | 91ca7b01ecc916632202180569a7ddbfccfc3f05 (patch) | |
| tree | d26c8af7ba9d06f6b04e85270dbce0dad0624668 /drivers/scsi/scsi_transport_fc.c | |
| parent | [SCSI] mptsas: white space fixes and version bump (diff) | |
| download | linux-dev-91ca7b01ecc916632202180569a7ddbfccfc3f05.tar.xz linux-dev-91ca7b01ecc916632202180569a7ddbfccfc3f05.zip | |
[SCSI] Add an 'Issue LIP' device attribute in fc_transport class
Ok, here's a patch to add such a common API for fc transport users.
Relevant LLD changes (lpfc and qla2xxx) also present.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/scsi_transport_fc.c')
| -rw-r--r-- | drivers/scsi/scsi_transport_fc.c | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index 473a82d5e3e2..27702097b7fc 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -220,7 +220,7 @@ static void fc_rport_terminate(struct fc_rport *rport); */ #define FC_STARGET_NUM_ATTRS 3 #define FC_RPORT_NUM_ATTRS 9 -#define FC_HOST_NUM_ATTRS 15 +#define FC_HOST_NUM_ATTRS 16 struct fc_internal { struct scsi_transport_template t; @@ -713,9 +713,11 @@ static FC_CLASS_DEVICE_ATTR(host, field, S_IRUGO, \ count++ #define SETUP_PRIVATE_HOST_ATTRIBUTE_RW(field) \ +{ \ i->private_host_attrs[count] = class_device_attr_host_##field; \ i->host_attrs[count] = &i->private_host_attrs[count]; \ - count++ + count++; \ +} /* Fixed Host Attributes */ @@ -853,6 +855,26 @@ static FC_CLASS_DEVICE_ATTR(host, tgtid_bind_type, S_IRUGO | S_IWUSR, show_fc_private_host_tgtid_bind_type, store_fc_private_host_tgtid_bind_type); +static ssize_t +store_fc_private_host_issue_lip(struct class_device *cdev, + const char *buf, size_t count) +{ + struct Scsi_Host *shost = transport_class_to_shost(cdev); + struct fc_internal *i = to_fc_internal(shost->transportt); + int ret; + + /* ignore any data value written to the attribute */ + if (i->f->issue_fc_host_lip) { + ret = i->f->issue_fc_host_lip(shost); + return ret ? ret: count; + } + + return -ENOENT; +} + +static FC_CLASS_DEVICE_ATTR(host, issue_lip, S_IWUSR, NULL, + store_fc_private_host_issue_lip); + /* * Host Statistics Management */ @@ -1119,6 +1141,8 @@ fc_attach_transport(struct fc_function_template *ft) /* Transport-managed attributes */ SETUP_PRIVATE_HOST_ATTRIBUTE_RW(tgtid_bind_type); + if (ft->issue_fc_host_lip) + SETUP_PRIVATE_HOST_ATTRIBUTE_RW(issue_lip); BUG_ON(count > FC_HOST_NUM_ATTRS); |