add device_configure to the transport classes

This allows attributes to be picked out of the INQUIRY fields and
placed into transport specific capability flags
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/scsi/scsi_scan.c

@@ -613,7 +613,10 @@ static int scsi_add_lun(struct scsi_device *sdev, char *inq_result, int *bflags)
 	if (*bflags & BLIST_NOT_LOCKABLE)
 		sdev->lockable = 0;
 
-	if(sdev->host->hostt->slave_configure)
+	if (sdev->host->transportt->device_configure)
+		sdev->host->transportt->device_configure(sdev);
+
+	if (sdev->host->hostt->slave_configure)
 		sdev->host->hostt->slave_configure(sdev);
 
 	/*

drivers/scsi/scsi_transport_spi.c

@@ -150,6 +150,23 @@ static int spi_setup_host_attrs(struct Scsi_Host *shost)
 	return 0;
 }
 
+static int spi_configure_device(struct scsi_device *sdev)
+{
+	struct scsi_target *starget = sdev->sdev_target;
+
+	/* Populate the target capability fields with the values
+	 * gleaned from the device inquiry */
+
+	spi_support_sync(starget) = scsi_device_sync(sdev);
+	spi_support_wide(starget) = scsi_device_wide(sdev);
+	spi_support_dt(starget) = scsi_device_dt(sdev);
+	spi_support_dt_only(starget) = scsi_device_dt_only(sdev);
+	spi_support_ius(starget) = scsi_device_ius(sdev);
+	spi_support_qas(starget) = scsi_device_qas(sdev);
+
+	return 0;
+}
+
 static int spi_setup_transport_attrs(struct scsi_target *starget)
 {
 	spi_period(starget) = -1;	/* illegal value */
@@ -783,6 +800,7 @@ spi_attach_transport(struct spi_function_template *ft)
 	i->t.target_attrs = &i->attrs[0];
 	i->t.target_class = &spi_transport_class;
 	i->t.target_setup = &spi_setup_transport_attrs;
+	i->t.device_configure = &spi_configure_device;
 	i->t.target_size = sizeof(struct spi_transport_attrs);
 	i->t.host_attrs = &i->host_attrs[0];
 	i->t.host_class = &spi_host_class;

include/scsi/scsi_transport.h

@@ -36,6 +36,7 @@ struct scsi_transport_template {
 
 	/* Constructor functions */
 	int (*device_setup)(struct scsi_device *);
+	int (*device_configure)(struct scsi_device *);
 	int (*target_setup)(struct scsi_target *);
 	int (*host_setup)(struct Scsi_Host *);
 

include/scsi/scsi_transport_spi.h

@@ -37,6 +37,13 @@ struct spi_transport_attrs {
 	unsigned int pcomp_en:1;/* Precompensation enabled */
 	unsigned int initial_dv:1; /* DV done to this target yet  */
 	unsigned long flags;	/* flags field for drivers to use */
+	/* Device Properties fields */
+	unsigned int support_sync:1; /* synchronous support */
+	unsigned int support_wide:1; /* wide support */
+	unsigned int support_dt:1; /* allows DT phases */
+	unsigned int support_dt_only; /* disallows ST phases */
+	unsigned int support_ius; /* support Information Units */
+	unsigned int support_qas; /* supports quick arbitration and selection */
 	/* Private Fields */
 	unsigned int dv_pending:1; /* Internal flag */
 	struct semaphore dv_sem; /* semaphore to serialise dv */
@@ -65,9 +72,19 @@ struct spi_host_attrs {
 #define spi_rti(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->rti)
 #define spi_pcomp_en(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->pcomp_en)
 #define spi_initial_dv(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->initial_dv)
+
+#define spi_support_sync(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->support_sync)
+#define spi_support_wide(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->support_wide)
+#define spi_support_dt(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->support_dt)
+#define spi_support_dt_only(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->support_dt_only)
+#define spi_support_ius(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->support_ius)
+#define spi_support_qas(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->support_qas)
+
 #define spi_flags(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->flags)
 #define spi_signalling(h)	(((struct spi_host_attrs *)&(h)->shost_data)->signalling)
 
+
+
 /* The functions by which the transport class and the driver communicate */
 struct spi_function_template {
 	void	(*get_period)(struct scsi_target *);