Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-2.6

[powerpc.git] / include / scsi / scsi_host.h

diff --git a/include/scsi/scsi_host.h b/include/scsi/scsi_host.h
index 916144b..6cbb198 100644 (file)
--- a/include/scsi/scsi_host.h
+++ b/include/scsi/scsi_host.h
@@ -7,6 +7,7 @@
 #include <linux/workqueue.h>
 
 struct block_device;
+struct completion;
 struct module;
 struct scsi_cmnd;
 struct scsi_device;
@@ -439,6 +440,8 @@ enum scsi_host_state {
        SHOST_CANCEL,
        SHOST_DEL,
        SHOST_RECOVERY,
+       SHOST_CANCEL_RECOVERY,
+       SHOST_DEL_RECOVERY,
 };
 
 struct Scsi_Host {
@@ -465,12 +468,8 @@ struct Scsi_Host {
 
        struct list_head        eh_cmd_q;
        struct task_struct    * ehandler;  /* Error recovery thread. */
-       struct semaphore      * eh_wait;   /* The error recovery thread waits
-                                             on this. */
-       struct semaphore      * eh_action; /* Wait for specific actions on the
-                                          host. */
-       unsigned int            eh_active:1; /* Indicates the eh thread is awake and active if
-                                          this is true. */
+       struct completion     * eh_action; /* Wait for specific actions on the
+                                             host. */
        wait_queue_head_t       host_wait;
        struct scsi_host_template *hostt;
        struct scsi_transport_template *transportt;
@@ -609,6 +608,10 @@ struct Scsi_Host {
 #define                class_to_shost(d)       \
        container_of(d, struct Scsi_Host, shost_classdev)
 
+#define shost_printk(prefix, shost, fmt, a...) \
+       dev_printk(prefix, &(shost)->shost_gendev, fmt, ##a)
+
+
 int scsi_is_host_device(const struct device *);
 
 static inline struct Scsi_Host *dev_to_shost(struct device *dev)
@@ -621,14 +624,19 @@ static inline struct Scsi_Host *dev_to_shost(struct device *dev)
        return container_of(dev, struct Scsi_Host, shost_gendev);
 }
 
+static inline int scsi_host_in_recovery(struct Scsi_Host *shost)
+{
+       return shost->shost_state == SHOST_RECOVERY ||
+               shost->shost_state == SHOST_CANCEL_RECOVERY ||
+               shost->shost_state == SHOST_DEL_RECOVERY;
+}
+
 extern int scsi_queue_work(struct Scsi_Host *, struct work_struct *);
 extern void scsi_flush_work(struct Scsi_Host *);
 
 extern struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *, int);
 extern int __must_check scsi_add_host(struct Scsi_Host *, struct device *);
 extern void scsi_scan_host(struct Scsi_Host *);
-extern void scsi_scan_single_target(struct Scsi_Host *, unsigned int,
-       unsigned int);
 extern void scsi_rescan_device(struct device *);
 extern void scsi_remove_host(struct Scsi_Host *);
 extern struct Scsi_Host *scsi_host_get(struct Scsi_Host *);