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authorJames Bottomley <James.Bottomley@steeleye.com>2005-08-14 23:34:06 +0400
committerJames Bottomley <jejb@mulgrave.(none)>2005-08-14 23:42:25 +0400
commit10c1b88987d618f4f89c10e11e574c76de73b5e7 (patch)
tree21b45648425c43f6a392afc0da800524608c7caf /drivers/scsi/scsi_transport_spi.c
parent3a4f5c60dbe1978580ea03c1aff353d1e63d1638 (diff)
downloadlinux-10c1b88987d618f4f89c10e11e574c76de73b5e7.tar.xz
[SCSI] add ability to deny binding to SPI transport class
This patch is necessary if we begin exposing underlying physical disks (which can attach to the SPI transport class) of the hardware RAID cards, since we don't want any SPI parameters binding to the RAID devices. Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
Diffstat (limited to 'drivers/scsi/scsi_transport_spi.c')
-rw-r--r--drivers/scsi/scsi_transport_spi.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index e7b9570c818b..02134fce2174 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -1082,6 +1082,7 @@ static int spi_device_match(struct attribute_container *cont,
{
struct scsi_device *sdev;
struct Scsi_Host *shost;
+ struct spi_internal *i;
if (!scsi_is_sdev_device(dev))
return 0;
@@ -1094,6 +1095,9 @@ static int spi_device_match(struct attribute_container *cont,
/* Note: this class has no device attributes, so it has
* no per-HBA allocation and thus we don't need to distinguish
* the attribute containers for the device */
+ i = to_spi_internal(shost->transportt);
+ if (i->f->deny_binding && i->f->deny_binding(sdev->sdev_target))
+ return 0;
return 1;
}
@@ -1101,6 +1105,7 @@ static int spi_target_match(struct attribute_container *cont,
struct device *dev)
{
struct Scsi_Host *shost;
+ struct scsi_target *starget;
struct spi_internal *i;
if (!scsi_is_target_device(dev))
@@ -1112,7 +1117,11 @@ static int spi_target_match(struct attribute_container *cont,
return 0;
i = to_spi_internal(shost->transportt);
-
+ starget = to_scsi_target(dev);
+
+ if (i->f->deny_binding && i->f->deny_binding(starget))
+ return 0;
+
return &i->t.target_attrs.ac == cont;
}