IB/srp: Add port/device attributes
Add local_ib_device and local_ib_port attributes to srp scsi_host. These are needed when we want to connect to the same target through multiple distinct ports. Signed-off-by: Ishai Rabinovitz <ishai@mellanox.co.il> Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il> Signed-off-by: Roland Dreier <rolandd@cisco.com>
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1 changed files with 24 additions and 6 deletions
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@ -1449,12 +1449,28 @@ static ssize_t show_zero_req_lim(struct class_device *cdev, char *buf)
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return sprintf(buf, "%d\n", target->zero_req_lim);
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}
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static CLASS_DEVICE_ATTR(id_ext, S_IRUGO, show_id_ext, NULL);
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static CLASS_DEVICE_ATTR(ioc_guid, S_IRUGO, show_ioc_guid, NULL);
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static CLASS_DEVICE_ATTR(service_id, S_IRUGO, show_service_id, NULL);
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static CLASS_DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL);
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static CLASS_DEVICE_ATTR(dgid, S_IRUGO, show_dgid, NULL);
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static CLASS_DEVICE_ATTR(zero_req_lim, S_IRUGO, show_zero_req_lim, NULL);
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static ssize_t show_local_ib_port(struct class_device *cdev, char *buf)
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{
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struct srp_target_port *target = host_to_target(class_to_shost(cdev));
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return sprintf(buf, "%d\n", target->srp_host->port);
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}
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static ssize_t show_local_ib_device(struct class_device *cdev, char *buf)
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{
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struct srp_target_port *target = host_to_target(class_to_shost(cdev));
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return sprintf(buf, "%s\n", target->srp_host->dev->dev->name);
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}
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static CLASS_DEVICE_ATTR(id_ext, S_IRUGO, show_id_ext, NULL);
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static CLASS_DEVICE_ATTR(ioc_guid, S_IRUGO, show_ioc_guid, NULL);
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static CLASS_DEVICE_ATTR(service_id, S_IRUGO, show_service_id, NULL);
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static CLASS_DEVICE_ATTR(pkey, S_IRUGO, show_pkey, NULL);
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static CLASS_DEVICE_ATTR(dgid, S_IRUGO, show_dgid, NULL);
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static CLASS_DEVICE_ATTR(zero_req_lim, S_IRUGO, show_zero_req_lim, NULL);
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static CLASS_DEVICE_ATTR(local_ib_port, S_IRUGO, show_local_ib_port, NULL);
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static CLASS_DEVICE_ATTR(local_ib_device, S_IRUGO, show_local_ib_device, NULL);
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static struct class_device_attribute *srp_host_attrs[] = {
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&class_device_attr_id_ext,
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@ -1463,6 +1479,8 @@ static struct class_device_attribute *srp_host_attrs[] = {
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&class_device_attr_pkey,
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&class_device_attr_dgid,
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&class_device_attr_zero_req_lim,
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&class_device_attr_local_ib_port,
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&class_device_attr_local_ib_device,
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NULL
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};
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