X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=include%2Fscsi%2Fscsi_transport_spi.h;h=7497a383b1a4da6264abdd3892bddada0c34c75e;hb=af6af30c0fcd77e621638e53ef8b176bca8bd3b4;hp=6dcf497bf46dc485e4b61800ff7d4429b3506919;hpb=1da177e4c3f41524e886b7f1b8a0c1fc7321cac2;p=safe%2Fjmp%2Flinux-2.6

diff --git a/include/scsi/scsi_transport_spi.h b/include/scsi/scsi_transport_spi.h
index 6dcf497..7497a38 100644
--- a/include/scsi/scsi_transport_spi.h
+++ b/include/scsi/scsi_transport_spi.h
@@ -20,22 +20,31 @@
 #ifndef SCSI_TRANSPORT_SPI_H
 #define SCSI_TRANSPORT_SPI_H
 
-#include <linux/config.h>
 #include <linux/transport_class.h>
+#include <linux/mutex.h>
 
 struct scsi_transport_template;
+struct scsi_target;
+struct scsi_device;
+struct Scsi_Host;
 
 struct spi_transport_attrs {
 	int period;		/* value in the PPR/SDTR command */
+	int min_period;
 	int offset;
+	int max_offset;
 	unsigned int width:1;	/* 0 - narrow, 1 - wide */
+	unsigned int max_width:1;
 	unsigned int iu:1;	/* Information Units enabled */
+	unsigned int max_iu:1;
 	unsigned int dt:1;	/* DT clocking enabled */
 	unsigned int qas:1;	/* Quick Arbitration and Selection enabled */
+	unsigned int max_qas:1;
 	unsigned int wr_flow:1;	/* Write Flow control enabled */
 	unsigned int rd_strm:1;	/* Read streaming enabled */
 	unsigned int rti:1;	/* Retain Training Information */
 	unsigned int pcomp_en:1;/* Precompensation enabled */
+	unsigned int hold_mcs:1;/* Hold Margin Control Settings */
 	unsigned int initial_dv:1; /* DV done to this target yet  */
 	unsigned long flags;	/* flags field for drivers to use */
 	/* Device Properties fields */
@@ -46,8 +55,9 @@ struct spi_transport_attrs {
 	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 */
+	unsigned int dv_pending:1; /* Internal flag: DV Requested */
+	unsigned int dv_in_progress:1;	/* Internal: DV started */
+	struct mutex dv_mutex; /* semaphore to serialise dv */
 };
 
 enum spi_signal_type {
@@ -63,16 +73,23 @@ struct spi_host_attrs {
 
 /* accessor functions */
 #define spi_period(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->period)
+#define spi_min_period(x) (((struct spi_transport_attrs *)&(x)->starget_data)->min_period)
 #define spi_offset(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->offset)
+#define spi_max_offset(x) (((struct spi_transport_attrs *)&(x)->starget_data)->max_offset)
 #define spi_width(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->width)
+#define spi_max_width(x) (((struct spi_transport_attrs *)&(x)->starget_data)->max_width)
 #define spi_iu(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->iu)
+#define spi_max_iu(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->max_iu)
 #define spi_dt(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->dt)
 #define spi_qas(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->qas)
+#define spi_max_qas(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->max_qas)
 #define spi_wr_flow(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->wr_flow)
 #define spi_rd_strm(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->rd_strm)
 #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_hold_mcs(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->hold_mcs)
 #define spi_initial_dv(x)	(((struct spi_transport_attrs *)&(x)->starget_data)->initial_dv)
+#define spi_dv_pending(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_pending)
 
 #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)
@@ -108,8 +125,11 @@ struct spi_function_template {
 	void	(*set_rti)(struct scsi_target *, int);
 	void	(*get_pcomp_en)(struct scsi_target *);
 	void	(*set_pcomp_en)(struct scsi_target *, int);
+	void	(*get_hold_mcs)(struct scsi_target *);
+	void	(*set_hold_mcs)(struct scsi_target *, int);
 	void	(*get_signalling)(struct Scsi_Host *);
 	void	(*set_signalling)(struct Scsi_Host *, enum spi_signal_type);
+	int	(*deny_binding)(struct scsi_target *);
 	/* The driver sets these to tell the transport class it
 	 * wants the attributes displayed in sysfs.  If the show_ flag
 	 * is not set, the attribute will be private to the transport
@@ -124,6 +144,7 @@ struct spi_function_template {
 	unsigned long	show_rd_strm:1;
 	unsigned long	show_rti:1;
 	unsigned long	show_pcomp_en:1;
+	unsigned long	show_hold_mcs:1;
 };
 
 struct scsi_transport_template *spi_attach_transport(struct spi_function_template *);
@@ -131,5 +152,10 @@ void spi_release_transport(struct scsi_transport_template *);
 void spi_schedule_dv_device(struct scsi_device *);
 void spi_dv_device(struct scsi_device *);
 void spi_display_xfer_agreement(struct scsi_target *);
+int spi_print_msg(const unsigned char *);
+int spi_populate_width_msg(unsigned char *msg, int width);
+int spi_populate_sync_msg(unsigned char *msg, int period, int offset);
+int spi_populate_ppr_msg(unsigned char *msg, int period, int offset, int width,
+		int options);
 
 #endif /* SCSI_TRANSPORT_SPI_H */