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

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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>
This commit is contained in:
Dean Nelson
2008-07-29 22:34:09 -07:00
committed by Linus Torvalds
parent 97bf1aa1e1
commit 6e41017aad
4 changed files with 229 additions and 219 deletions
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14
drivers/misc/sgi-xp/xpc.h
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@@ -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 *);