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authorJames Bottomley <jejb@titanic.(none)>2005-08-28 11:18:35 -0500
committerJames Bottomley <jejb@titanic.(none)>2005-08-28 11:18:35 -0500
commit7a93aef7fbac6f4db40b6fec5c0c6b654ae7a93c (patch)
tree4cd7aae38012dfc1ff6c62be20ef8840e56d8383 /include/scsi
parent392160335c798bbe94ab3aae6ea0c85d32b81bbc (diff)
parent8224bfa84d510630b40ea460b2bb380c91acb8ae (diff)
Merge HEAD from ../scsi-misc-2.6-tmp
Diffstat (limited to 'include/scsi')
-rw-r--r--include/scsi/scsi_cmnd.h8
-rw-r--r--include/scsi/scsi_host.h24
-rw-r--r--include/scsi/scsi_transport_spi.h6
3 files changed, 31 insertions, 7 deletions
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 9957f16dcc5..bed4b7c9be9 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -51,12 +51,16 @@ struct scsi_cmnd {
* printk's to use ->pid, so that we can kill this field.
*/
unsigned long serial_number;
+ /*
+ * This is set to jiffies as it was when the command was first
+ * allocated. It is used to time how long the command has
+ * been outstanding
+ */
+ unsigned long jiffies_at_alloc;
int retries;
int allowed;
int timeout_per_command;
- int timeout_total;
- int timeout;
unsigned char cmd_len;
unsigned char old_cmd_len;
diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 81d5234f677..ac1b6125e3a 100644
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -429,12 +429,15 @@ struct scsi_host_template {
};
/*
- * shost states
+ * shost state: If you alter this, you also need to alter scsi_sysfs.c
+ * (for the ascii descriptions) and the state model enforcer:
+ * scsi_host_set_state()
*/
-enum {
- SHOST_ADD,
- SHOST_DEL,
+enum scsi_host_state {
+ SHOST_CREATED = 1,
+ SHOST_RUNNING,
SHOST_CANCEL,
+ SHOST_DEL,
SHOST_RECOVERY,
};
@@ -575,7 +578,7 @@ struct Scsi_Host {
unsigned int irq;
- unsigned long shost_state;
+ enum scsi_host_state shost_state;
/* ldm bits */
struct device shost_gendev;
@@ -633,6 +636,7 @@ extern void scsi_remove_host(struct Scsi_Host *);
extern struct Scsi_Host *scsi_host_get(struct Scsi_Host *);
extern void scsi_host_put(struct Scsi_Host *t);
extern struct Scsi_Host *scsi_host_lookup(unsigned short);
+extern const char *scsi_host_state_name(enum scsi_host_state);
extern u64 scsi_calculate_bounce_limit(struct Scsi_Host *);
@@ -646,6 +650,15 @@ static inline struct device *scsi_get_device(struct Scsi_Host *shost)
return shost->shost_gendev.parent;
}
+/**
+ * scsi_host_scan_allowed - Is scanning of this host allowed
+ * @shost: Pointer to Scsi_Host.
+ **/
+static inline int scsi_host_scan_allowed(struct Scsi_Host *shost)
+{
+ return shost->shost_state == SHOST_RUNNING;
+}
+
extern void scsi_unblock_requests(struct Scsi_Host *);
extern void scsi_block_requests(struct Scsi_Host *);
@@ -663,5 +676,6 @@ extern struct scsi_device *scsi_get_host_dev(struct Scsi_Host *);
/* legacy interfaces */
extern struct Scsi_Host *scsi_register(struct scsi_host_template *, int);
extern void scsi_unregister(struct Scsi_Host *);
+extern int scsi_host_set_state(struct Scsi_Host *, enum scsi_host_state);
#endif /* _SCSI_SCSI_HOST_H */
diff --git a/include/scsi/scsi_transport_spi.h b/include/scsi/scsi_transport_spi.h
index a30d6cd4c0e..6bdc4afb248 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)
@@ -114,8 +116,11 @@ 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
@@ -130,6 +135,7 @@ 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 *);