[S390] Some preparations for the dynamic subchannel mapping patch.

[firefly-linux-kernel-4.4.55.git] / drivers / s390 / cio / css.h

diff --git a/drivers/s390/cio/css.h b/drivers/s390/cio/css.h
index 8aabb4adeb5f08eb79ad7642005985f257e78815..ac845c1ebf83188609a9fd854914a73e20bd58f4 100644 (file)
--- a/drivers/s390/cio/css.h
+++ b/drivers/s390/cio/css.h
@@ -73,12 +73,13 @@ struct senseid {
 }  __attribute__ ((packed,aligned(4)));
 
 struct ccw_device_private {
+       struct ccw_device *cdev;
+       struct subchannel *sch;
        int state;              /* device state */
        atomic_t onoff;
        unsigned long registered;
-       __u16 devno;            /* device number */
-       __u16 sch_no;           /* subchannel number */
-       __u8 ssid;              /* subchannel set id */
+       struct ccw_dev_id dev_id;       /* device id */
+       struct subchannel_id schid;     /* subchannel number */
        __u8 imask;             /* lpm mask for SNID/SID/SPGID */
        int iretry;             /* retry counter SNID/SID/SPGID */
        struct {
@@ -95,6 +96,7 @@ struct ccw_device_private {
                unsigned int donotify:1;    /* call notify function */
                unsigned int recog_done:1;  /* dev. recog. complete */
                unsigned int fake_irb:1;    /* deliver faked irb */
+               unsigned int intretry:1;    /* retry internal operation */
        } __attribute__((packed)) flags;
        unsigned long intparm;  /* user interruption parameter */
        struct qdio_irq *qdio_data;
@@ -171,7 +173,9 @@ void device_trigger_reprobe(struct subchannel *);
 
 /* Helper functions for vary on/off. */
 int device_is_online(struct subchannel *);
-void device_set_waiting(struct subchannel *);
+void device_kill_io(struct subchannel *);
+void device_set_intretry(struct subchannel *sch);
+int device_trigger_verify(struct subchannel *sch);
 
 /* Machine check helper function. */
 void device_kill_pending_timer(struct subchannel *);
@@ -185,4 +189,6 @@ extern int need_rescan;
 
 extern struct workqueue_struct *slow_path_wq;
 extern struct work_struct slow_path_work;
+
+int subchannel_add_files (struct device *);
 #endif