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-rw-r--r--drivers/scsi/scsi_transport_spi.c20
-rw-r--r--include/scsi/scsi_transport_spi.h5
2 files changed, 20 insertions, 5 deletions
diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index 7670919a087a..e7b9570c818b 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -35,7 +35,7 @@
#define SPI_PRINTK(x, l, f, a...) dev_printk(l, &(x)->dev, f , ##a)
-#define SPI_NUM_ATTRS 13 /* increase this if you add attributes */
+#define SPI_NUM_ATTRS 14 /* increase this if you add attributes */
#define SPI_OTHER_ATTRS 1 /* Increase this if you add "always
* on" attributes */
#define SPI_HOST_ATTRS 1
@@ -231,6 +231,7 @@ static int spi_setup_transport_attrs(struct device *dev)
spi_rd_strm(starget) = 0;
spi_rti(starget) = 0;
spi_pcomp_en(starget) = 0;
+ spi_hold_mcs(starget) = 0;
spi_dv_pending(starget) = 0;
spi_initial_dv(starget) = 0;
init_MUTEX(&spi_dv_sem(starget));
@@ -347,6 +348,7 @@ spi_transport_rd_attr(wr_flow, "%d\n");
spi_transport_rd_attr(rd_strm, "%d\n");
spi_transport_rd_attr(rti, "%d\n");
spi_transport_rd_attr(pcomp_en, "%d\n");
+spi_transport_rd_attr(hold_mcs, "%d\n");
/* we only care about the first child device so we return 1 */
static int child_iter(struct device *dev, void *data)
@@ -1028,10 +1030,17 @@ void spi_display_xfer_agreement(struct scsi_target *starget)
sprint_frac(tmp, picosec, 1000);
dev_info(&starget->dev,
- "%s %sSCSI %d.%d MB/s %s%s%s (%s ns, offset %d)\n",
- scsi, tp->width ? "WIDE " : "", kb100/10, kb100 % 10,
- tp->dt ? "DT" : "ST", tp->iu ? " IU" : "",
- tp->qas ? " QAS" : "", tmp, tp->offset);
+ "%s %sSCSI %d.%d MB/s %s%s%s%s%s%s%s%s (%s ns, offset %d)\n",
+ scsi, tp->width ? "WIDE " : "", kb100/10, kb100 % 10,
+ tp->dt ? "DT" : "ST",
+ tp->iu ? " IU" : "",
+ tp->qas ? " QAS" : "",
+ tp->rd_strm ? " RDSTRM" : "",
+ tp->rti ? " RTI" : "",
+ tp->wr_flow ? " WRFLOW" : "",
+ tp->pcomp_en ? " PCOMP" : "",
+ tp->hold_mcs ? " HMCS" : "",
+ tmp, tp->offset);
} else {
dev_info(&starget->dev, "%sasynchronous.\n",
tp->width ? "wide " : "");
@@ -1154,6 +1163,7 @@ spi_attach_transport(struct spi_function_template *ft)
SETUP_ATTRIBUTE(rd_strm);
SETUP_ATTRIBUTE(rti);
SETUP_ATTRIBUTE(pcomp_en);
+ SETUP_ATTRIBUTE(hold_mcs);
/* if you add an attribute but forget to increase SPI_NUM_ATTRS
* this bug will trigger */
diff --git a/include/scsi/scsi_transport_spi.h b/include/scsi/scsi_transport_spi.h
index a30d6cd4c0e8..d8ef86006e02 100644
--- a/include/scsi/scsi_transport_spi.h
+++ b/include/scsi/scsi_transport_spi.h
@@ -39,6 +39,7 @@ struct spi_transport_attrs {
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 */
@@ -78,6 +79,7 @@ struct spi_host_attrs {
#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_support_sync(x) (((struct spi_transport_attrs *)&(x)->starget_data)->support_sync)
@@ -114,6 +116,8 @@ 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);
/* The driver sets these to tell the transport class it
@@ -130,6 +134,7 @@ 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 *);