sgi-xp: isolate activate IRQ's hardware specific components

Isolate architecture specific code related to XPC's activate IRQ.

Signed-off-by: Dean Nelson <dcn@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 8 insertions, 6 deletions

diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h
index 6b622b091bde..1edf37512de6 100644
--- a/drivers/misc/sgi-xp/xpc.h
+++ b/drivers/misc/sgi-xp/xpc.h
@@ -480,7 +480,7 @@ struct xpc_partition {
         u64 remote_amos_page_pa;        /* phys addr of partition's amos page */
         int remote_act_nasid;   /* active part's act/deact nasid */
         int remote_act_phys_cpuid;      /* active part's act/deact phys cpuid */
-        u32 act_IRQ_rcvd;       /* IRQs since activation */
+        u32 activate_IRQ_rcvd;  /* IRQs since activation */
         spinlock_t act_lock;    /* protect updating of act_state */
         u8 act_state;           /* from XPC HB viewpoint */
         u8 remote_vars_version; /* version# of partition's vars */
@@ -580,8 +580,8 @@ extern struct device *xpc_part;
 extern struct device *xpc_chan;
 extern int xpc_disengage_request_timelimit;
 extern int xpc_disengage_request_timedout;
-extern atomic_t xpc_act_IRQ_rcvd;
-extern wait_queue_head_t xpc_act_IRQ_wq;
+extern atomic_t xpc_activate_IRQ_rcvd;
+extern wait_queue_head_t xpc_activate_IRQ_wq;
 extern void *xpc_heartbeating_to_mask;
 extern irqreturn_t xpc_notify_IRQ_handler(int, void *);
 extern void xpc_dropped_IPI_check(struct xpc_partition *);
@@ -601,7 +601,7 @@ extern u64 (*xpc_get_IPI_flags) (struct xpc_partition *);
 extern struct xpc_msg *(*xpc_get_deliverable_msg) (struct xpc_channel *);
 extern void (*xpc_initiate_partition_activation) (struct xpc_rsvd_page *, u64,
                                                   int);
-extern void (*xpc_process_act_IRQ_rcvd) (int);
+extern void (*xpc_process_activate_IRQ_rcvd) (int);
 extern enum xp_retval (*xpc_setup_infrastructure) (struct xpc_partition *);
 extern void (*xpc_teardown_infrastructure) (struct xpc_partition *);
 extern void (*xpc_mark_partition_engaged) (struct xpc_partition *);
@@ -629,10 +629,12 @@ extern enum xp_retval (*xpc_send_msg) (struct xpc_channel *, u32, void *, u16,
 extern void (*xpc_received_msg) (struct xpc_channel *, struct xpc_msg *);
 
 /* found in xpc_sn2.c */
-extern void xpc_init_sn2(void);
+extern int xpc_init_sn2(void);
+extern void xpc_exit_sn2(void);
 
 /* found in xpc_uv.c */
 extern void xpc_init_uv(void);
+extern void xpc_exit_uv(void);
 
 /* found in xpc_partition.c */
 extern int xpc_exiting;
@@ -646,7 +648,7 @@ extern void *xpc_kmalloc_cacheline_aligned(size_t, gfp_t, void **);
 extern struct xpc_rsvd_page *xpc_setup_rsvd_page(void);
 extern void xpc_allow_IPI_ops(void);
 extern void xpc_restrict_IPI_ops(void);
-extern int xpc_identify_act_IRQ_sender(void);
+extern int xpc_identify_activate_IRQ_sender(void);
 extern int xpc_partition_disengaged(struct xpc_partition *);
 extern enum xp_retval xpc_mark_partition_active(struct xpc_partition *);
 extern void xpc_mark_partition_inactive(struct xpc_partition *);