sgi-xpc: clean up numerous globals
Introduce xpc_arch_ops and eliminate numerous individual global definitions.
Signed-off-by: Robin Holt <holt@sgi.com>
Cc: Dean Nelson <dcn@sgi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h
index a540476..b94d5f7 100644
--- a/drivers/misc/sgi-xp/xpc.h
+++ b/drivers/misc/sgi-xp/xpc.h
@@ -780,6 +780,62 @@
} ____cacheline_aligned;
+struct xpc_arch_operations {
+ int (*setup_partitions) (void);
+ void (*teardown_partitions) (void);
+ void (*process_activate_IRQ_rcvd) (void);
+ enum xp_retval (*get_partition_rsvd_page_pa)
+ (void *, u64 *, unsigned long *, size_t *);
+ int (*setup_rsvd_page) (struct xpc_rsvd_page *);
+
+ void (*allow_hb) (short);
+ void (*disallow_hb) (short);
+ void (*disallow_all_hbs) (void);
+ void (*increment_heartbeat) (void);
+ void (*offline_heartbeat) (void);
+ void (*online_heartbeat) (void);
+ void (*heartbeat_init) (void);
+ void (*heartbeat_exit) (void);
+ enum xp_retval (*get_remote_heartbeat) (struct xpc_partition *);
+
+ void (*request_partition_activation) (struct xpc_rsvd_page *,
+ unsigned long, int);
+ void (*request_partition_reactivation) (struct xpc_partition *);
+ void (*request_partition_deactivation) (struct xpc_partition *);
+ void (*cancel_partition_deactivation_request) (struct xpc_partition *);
+ enum xp_retval (*setup_ch_structures) (struct xpc_partition *);
+ void (*teardown_ch_structures) (struct xpc_partition *);
+
+ enum xp_retval (*make_first_contact) (struct xpc_partition *);
+
+ u64 (*get_chctl_all_flags) (struct xpc_partition *);
+ void (*send_chctl_closerequest) (struct xpc_channel *, unsigned long *);
+ void (*send_chctl_closereply) (struct xpc_channel *, unsigned long *);
+ void (*send_chctl_openrequest) (struct xpc_channel *, unsigned long *);
+ void (*send_chctl_openreply) (struct xpc_channel *, unsigned long *);
+ void (*send_chctl_opencomplete) (struct xpc_channel *, unsigned long *);
+ void (*process_msg_chctl_flags) (struct xpc_partition *, int);
+
+ enum xp_retval (*save_remote_msgqueue_pa) (struct xpc_channel *,
+ unsigned long);
+
+ enum xp_retval (*setup_msg_structures) (struct xpc_channel *);
+ void (*teardown_msg_structures) (struct xpc_channel *);
+
+ void (*indicate_partition_engaged) (struct xpc_partition *);
+ void (*indicate_partition_disengaged) (struct xpc_partition *);
+ void (*assume_partition_disengaged) (short);
+ int (*partition_engaged) (short);
+ int (*any_partition_engaged) (void);
+
+ int (*n_of_deliverable_payloads) (struct xpc_channel *);
+ enum xp_retval (*send_payload) (struct xpc_channel *, u32, void *,
+ u16, u8, xpc_notify_func, void *);
+ void *(*get_deliverable_payload) (struct xpc_channel *);
+ void (*received_payload) (struct xpc_channel *, void *);
+ void (*notify_senders_of_disconnect) (struct xpc_channel *);
+};
+
/* struct xpc_partition act_state values (for XPC HB) */
#define XPC_P_AS_INACTIVE 0x00 /* partition is not active */
@@ -820,6 +876,7 @@
/* found in xpc_main.c */
extern struct device *xpc_part;
extern struct device *xpc_chan;
+extern struct xpc_arch_operations xpc_arch_ops;
extern int xpc_disengage_timelimit;
extern int xpc_disengage_timedout;
extern int xpc_activate_IRQ_rcvd;
@@ -830,61 +887,6 @@
extern void xpc_activate_kthreads(struct xpc_channel *, int);
extern void xpc_create_kthreads(struct xpc_channel *, int, int);
extern void xpc_disconnect_wait(int);
-extern int (*xpc_setup_partitions_sn) (void);
-extern void (*xpc_teardown_partitions_sn) (void);
-extern enum xp_retval (*xpc_get_partition_rsvd_page_pa) (void *, u64 *,
- unsigned long *,
- size_t *);
-extern int (*xpc_setup_rsvd_page_sn) (struct xpc_rsvd_page *);
-extern void (*xpc_heartbeat_init) (void);
-extern void (*xpc_heartbeat_exit) (void);
-extern void (*xpc_increment_heartbeat) (void);
-extern void (*xpc_offline_heartbeat) (void);
-extern void (*xpc_online_heartbeat) (void);
-extern enum xp_retval (*xpc_get_remote_heartbeat) (struct xpc_partition *);
-extern void (*xpc_allow_hb) (short);
-extern void (*xpc_disallow_hb) (short);
-extern void (*xpc_disallow_all_hbs) (void);
-extern enum xp_retval (*xpc_make_first_contact) (struct xpc_partition *);
-extern u64 (*xpc_get_chctl_all_flags) (struct xpc_partition *);
-extern enum xp_retval (*xpc_setup_msg_structures) (struct xpc_channel *);
-extern void (*xpc_teardown_msg_structures) (struct xpc_channel *);
-extern void (*xpc_notify_senders_of_disconnect) (struct xpc_channel *);
-extern void (*xpc_process_msg_chctl_flags) (struct xpc_partition *, int);
-extern int (*xpc_n_of_deliverable_payloads) (struct xpc_channel *);
-extern void *(*xpc_get_deliverable_payload) (struct xpc_channel *);
-extern void (*xpc_request_partition_activation) (struct xpc_rsvd_page *,
- unsigned long, int);
-extern void (*xpc_request_partition_reactivation) (struct xpc_partition *);
-extern void (*xpc_request_partition_deactivation) (struct xpc_partition *);
-extern void (*xpc_cancel_partition_deactivation_request) (
- struct xpc_partition *);
-extern void (*xpc_process_activate_IRQ_rcvd) (void);
-extern enum xp_retval (*xpc_setup_ch_structures_sn) (struct xpc_partition *);
-extern void (*xpc_teardown_ch_structures_sn) (struct xpc_partition *);
-
-extern void (*xpc_indicate_partition_engaged) (struct xpc_partition *);
-extern int (*xpc_partition_engaged) (short);
-extern int (*xpc_any_partition_engaged) (void);
-extern void (*xpc_indicate_partition_disengaged) (struct xpc_partition *);
-extern void (*xpc_assume_partition_disengaged) (short);
-
-extern void (*xpc_send_chctl_closerequest) (struct xpc_channel *,
- unsigned long *);
-extern void (*xpc_send_chctl_closereply) (struct xpc_channel *,
- unsigned long *);
-extern void (*xpc_send_chctl_openrequest) (struct xpc_channel *,
- unsigned long *);
-extern void (*xpc_send_chctl_openreply) (struct xpc_channel *, unsigned long *);
-extern void (*xpc_send_chctl_opencomplete) (struct xpc_channel *,
- unsigned long *);
-
-extern enum xp_retval (*xpc_save_remote_msgqueue_pa) (struct xpc_channel *,
- unsigned long);
-
-extern enum xp_retval (*xpc_send_payload) (struct xpc_channel *, u32, void *,
- u16, u8, xpc_notify_func, void *);
-extern void (*xpc_received_payload) (struct xpc_channel *, void *);
/* found in xpc_sn2.c */
extern int xpc_init_sn2(void);
diff --git a/drivers/misc/sgi-xp/xpc_channel.c b/drivers/misc/sgi-xp/xpc_channel.c
index 2eb3abf..652593f 100644
--- a/drivers/misc/sgi-xp/xpc_channel.c
+++ b/drivers/misc/sgi-xp/xpc_channel.c
@@ -39,7 +39,7 @@
if (!(ch->flags & XPC_C_SETUP)) {
spin_unlock_irqrestore(&ch->lock, *irq_flags);
- ret = xpc_setup_msg_structures(ch);
+ ret = xpc_arch_ops.setup_msg_structures(ch);
spin_lock_irqsave(&ch->lock, *irq_flags);
if (ret != xpSuccess)
@@ -53,7 +53,7 @@
if (!(ch->flags & XPC_C_OPENREPLY)) {
ch->flags |= XPC_C_OPENREPLY;
- xpc_send_chctl_openreply(ch, irq_flags);
+ xpc_arch_ops.send_chctl_openreply(ch, irq_flags);
}
if (!(ch->flags & XPC_C_ROPENREPLY))
@@ -61,7 +61,7 @@
if (!(ch->flags & XPC_C_OPENCOMPLETE)) {
ch->flags |= (XPC_C_OPENCOMPLETE | XPC_C_CONNECTED);
- xpc_send_chctl_opencomplete(ch, irq_flags);
+ xpc_arch_ops.send_chctl_opencomplete(ch, irq_flags);
}
if (!(ch->flags & XPC_C_ROPENCOMPLETE))
@@ -100,7 +100,7 @@
if (part->act_state == XPC_P_AS_DEACTIVATING) {
/* can't proceed until the other side disengages from us */
- if (xpc_partition_engaged(ch->partid))
+ if (xpc_arch_ops.partition_engaged(ch->partid))
return;
} else {
@@ -112,7 +112,7 @@
if (!(ch->flags & XPC_C_CLOSEREPLY)) {
ch->flags |= XPC_C_CLOSEREPLY;
- xpc_send_chctl_closereply(ch, irq_flags);
+ xpc_arch_ops.send_chctl_closereply(ch, irq_flags);
}
if (!(ch->flags & XPC_C_RCLOSEREPLY))
@@ -122,7 +122,7 @@
/* wake those waiting for notify completion */
if (atomic_read(&ch->n_to_notify) > 0) {
/* we do callout while holding ch->lock, callout can't block */
- xpc_notify_senders_of_disconnect(ch);
+ xpc_arch_ops.notify_senders_of_disconnect(ch);
}
/* both sides are disconnected now */
@@ -136,7 +136,7 @@
DBUG_ON(atomic_read(&ch->n_to_notify) != 0);
/* it's now safe to free the channel's message queues */
- xpc_teardown_msg_structures(ch);
+ xpc_arch_ops.teardown_msg_structures(ch);
ch->func = NULL;
ch->key = NULL;
@@ -148,8 +148,9 @@
/*
* Mark the channel disconnected and clear all other flags, including
- * XPC_C_SETUP (because of call to xpc_teardown_msg_structures()) but
- * not including XPC_C_WDISCONNECT (if it was set).
+ * XPC_C_SETUP (because of call to
+ * xpc_arch_ops.teardown_msg_structures()) but not including
+ * XPC_C_WDISCONNECT (if it was set).
*/
ch->flags = (XPC_C_DISCONNECTED | (ch->flags & XPC_C_WDISCONNECT));
@@ -395,7 +396,8 @@
DBUG_ON(args->local_nentries == 0);
DBUG_ON(args->remote_nentries == 0);
- ret = xpc_save_remote_msgqueue_pa(ch, args->local_msgqueue_pa);
+ ret = xpc_arch_ops.save_remote_msgqueue_pa(ch,
+ args->local_msgqueue_pa);
if (ret != xpSuccess) {
XPC_DISCONNECT_CHANNEL(ch, ret, &irq_flags);
goto out;
@@ -531,7 +533,7 @@
/* initiate the connection */
ch->flags |= (XPC_C_OPENREQUEST | XPC_C_CONNECTING);
- xpc_send_chctl_openrequest(ch, &irq_flags);
+ xpc_arch_ops.send_chctl_openrequest(ch, &irq_flags);
xpc_process_connect(ch, &irq_flags);
@@ -549,7 +551,7 @@
int ch_number;
u32 ch_flags;
- chctl.all_flags = xpc_get_chctl_all_flags(part);
+ chctl.all_flags = xpc_arch_ops.get_chctl_all_flags(part);
/*
* Initiate channel connections for registered channels.
@@ -598,7 +600,7 @@
*/
if (chctl.flags[ch_number] & XPC_MSG_CHCTL_FLAGS)
- xpc_process_msg_chctl_flags(part, ch_number);
+ xpc_arch_ops.process_msg_chctl_flags(part, ch_number);
}
}
@@ -774,7 +776,7 @@
XPC_C_ROPENREQUEST | XPC_C_ROPENREPLY |
XPC_C_CONNECTING | XPC_C_CONNECTED);
- xpc_send_chctl_closerequest(ch, irq_flags);
+ xpc_arch_ops.send_chctl_closerequest(ch, irq_flags);
if (channel_was_connected)
ch->flags |= XPC_C_WASCONNECTED;
@@ -881,8 +883,8 @@
DBUG_ON(payload == NULL);
if (xpc_part_ref(part)) {
- ret = xpc_send_payload(&part->channels[ch_number], flags,
- payload, payload_size, 0, NULL, NULL);
+ ret = xpc_arch_ops.send_payload(&part->channels[ch_number],
+ flags, payload, payload_size, 0, NULL, NULL);
xpc_part_deref(part);
}
@@ -933,9 +935,8 @@
DBUG_ON(func == NULL);
if (xpc_part_ref(part)) {
- ret = xpc_send_payload(&part->channels[ch_number], flags,
- payload, payload_size, XPC_N_CALL, func,
- key);
+ ret = xpc_arch_ops.send_payload(&part->channels[ch_number],
+ flags, payload, payload_size, XPC_N_CALL, func, key);
xpc_part_deref(part);
}
return ret;
@@ -949,7 +950,7 @@
{
void *payload;
- payload = xpc_get_deliverable_payload(ch);
+ payload = xpc_arch_ops.get_deliverable_payload(ch);
if (payload != NULL) {
/*
@@ -1003,7 +1004,7 @@
DBUG_ON(ch_number < 0 || ch_number >= part->nchannels);
ch = &part->channels[ch_number];
- xpc_received_payload(ch, payload);
+ xpc_arch_ops.received_payload(ch, payload);
/* the call to xpc_msgqueue_ref() was done by xpc_deliver_payload() */
xpc_msgqueue_deref(ch);
diff --git a/drivers/misc/sgi-xp/xpc_main.c b/drivers/misc/sgi-xp/xpc_main.c
index 2bb070e..fd3688a 100644
--- a/drivers/misc/sgi-xp/xpc_main.c
+++ b/drivers/misc/sgi-xp/xpc_main.c
@@ -169,68 +169,7 @@
.notifier_call = xpc_system_die,
};
-int (*xpc_setup_partitions_sn) (void);
-void (*xpc_teardown_partitions_sn) (void);
-enum xp_retval (*xpc_get_partition_rsvd_page_pa) (void *buf, u64 *cookie,
- unsigned long *rp_pa,
- size_t *len);
-int (*xpc_setup_rsvd_page_sn) (struct xpc_rsvd_page *rp);
-
-void (*xpc_allow_hb) (short partid);
-void (*xpc_disallow_hb) (short partid);
-void (*xpc_disallow_all_hbs) (void);
-void (*xpc_heartbeat_init) (void);
-void (*xpc_heartbeat_exit) (void);
-void (*xpc_increment_heartbeat) (void);
-void (*xpc_offline_heartbeat) (void);
-void (*xpc_online_heartbeat) (void);
-enum xp_retval (*xpc_get_remote_heartbeat) (struct xpc_partition *part);
-
-enum xp_retval (*xpc_make_first_contact) (struct xpc_partition *part);
-void (*xpc_notify_senders_of_disconnect) (struct xpc_channel *ch);
-u64 (*xpc_get_chctl_all_flags) (struct xpc_partition *part);
-enum xp_retval (*xpc_setup_msg_structures) (struct xpc_channel *ch);
-void (*xpc_teardown_msg_structures) (struct xpc_channel *ch);
-void (*xpc_process_msg_chctl_flags) (struct xpc_partition *part, int ch_number);
-int (*xpc_n_of_deliverable_payloads) (struct xpc_channel *ch);
-void *(*xpc_get_deliverable_payload) (struct xpc_channel *ch);
-
-void (*xpc_request_partition_activation) (struct xpc_rsvd_page *remote_rp,
- unsigned long remote_rp_pa,
- int nasid);
-void (*xpc_request_partition_reactivation) (struct xpc_partition *part);
-void (*xpc_request_partition_deactivation) (struct xpc_partition *part);
-void (*xpc_cancel_partition_deactivation_request) (struct xpc_partition *part);
-
-void (*xpc_process_activate_IRQ_rcvd) (void);
-enum xp_retval (*xpc_setup_ch_structures_sn) (struct xpc_partition *part);
-void (*xpc_teardown_ch_structures_sn) (struct xpc_partition *part);
-
-void (*xpc_indicate_partition_engaged) (struct xpc_partition *part);
-int (*xpc_partition_engaged) (short partid);
-int (*xpc_any_partition_engaged) (void);
-void (*xpc_indicate_partition_disengaged) (struct xpc_partition *part);
-void (*xpc_assume_partition_disengaged) (short partid);
-
-void (*xpc_send_chctl_closerequest) (struct xpc_channel *ch,
- unsigned long *irq_flags);
-void (*xpc_send_chctl_closereply) (struct xpc_channel *ch,
- unsigned long *irq_flags);
-void (*xpc_send_chctl_openrequest) (struct xpc_channel *ch,
- unsigned long *irq_flags);
-void (*xpc_send_chctl_openreply) (struct xpc_channel *ch,
- unsigned long *irq_flags);
-void (*xpc_send_chctl_opencomplete) (struct xpc_channel *ch,
- unsigned long *irq_flags);
-
-enum xp_retval (*xpc_save_remote_msgqueue_pa) (struct xpc_channel *ch,
- unsigned long msgqueue_pa);
-
-enum xp_retval (*xpc_send_payload) (struct xpc_channel *ch, u32 flags,
- void *payload, u16 payload_size,
- u8 notify_type, xpc_notify_func func,
- void *key);
-void (*xpc_received_payload) (struct xpc_channel *ch, void *payload);
+struct xpc_arch_operations xpc_arch_ops;
/*
* Timer function to enforce the timelimit on the partition disengage.
@@ -245,7 +184,7 @@
(void)xpc_partition_disengaged(part);
DBUG_ON(part->disengage_timeout != 0);
- DBUG_ON(xpc_partition_engaged(XPC_PARTID(part)));
+ DBUG_ON(xpc_arch_ops.partition_engaged(XPC_PARTID(part)));
}
/*
@@ -256,7 +195,7 @@
static void
xpc_hb_beater(unsigned long dummy)
{
- xpc_increment_heartbeat();
+ xpc_arch_ops.increment_heartbeat();
if (time_is_before_eq_jiffies(xpc_hb_check_timeout))
wake_up_interruptible(&xpc_activate_IRQ_wq);
@@ -268,7 +207,7 @@
static void
xpc_start_hb_beater(void)
{
- xpc_heartbeat_init();
+ xpc_arch_ops.heartbeat_init();
init_timer(&xpc_hb_timer);
xpc_hb_timer.function = xpc_hb_beater;
xpc_hb_beater(0);
@@ -278,7 +217,7 @@
xpc_stop_hb_beater(void)
{
del_timer_sync(&xpc_hb_timer);
- xpc_heartbeat_exit();
+ xpc_arch_ops.heartbeat_exit();
}
/*
@@ -307,7 +246,7 @@
continue;
}
- ret = xpc_get_remote_heartbeat(part);
+ ret = xpc_arch_ops.get_remote_heartbeat(part);
if (ret != xpSuccess)
XPC_DEACTIVATE_PARTITION(part, ret);
}
@@ -358,7 +297,7 @@
force_IRQ = 0;
dev_dbg(xpc_part, "processing activate IRQs "
"received\n");
- xpc_process_activate_IRQ_rcvd();
+ xpc_arch_ops.process_activate_IRQ_rcvd();
}
/* wait for IRQ or timeout */
@@ -533,7 +472,7 @@
init_waitqueue_head(&ch->idle_wq);
}
- ret = xpc_setup_ch_structures_sn(part);
+ ret = xpc_arch_ops.setup_ch_structures(part);
if (ret != xpSuccess)
goto out_2;
@@ -577,7 +516,7 @@
/* now we can begin tearing down the infrastructure */
- xpc_teardown_ch_structures_sn(part);
+ xpc_arch_ops.teardown_ch_structures(part);
kfree(part->remote_openclose_args_base);
part->remote_openclose_args = NULL;
@@ -625,12 +564,12 @@
dev_dbg(xpc_part, "activating partition %d\n", partid);
- xpc_allow_hb(partid);
+ xpc_arch_ops.allow_hb(partid);
if (xpc_setup_ch_structures(part) == xpSuccess) {
(void)xpc_part_ref(part); /* this will always succeed */
- if (xpc_make_first_contact(part) == xpSuccess) {
+ if (xpc_arch_ops.make_first_contact(part) == xpSuccess) {
xpc_mark_partition_active(part);
xpc_channel_mgr(part);
/* won't return until partition is deactivating */
@@ -640,12 +579,12 @@
xpc_teardown_ch_structures(part);
}
- xpc_disallow_hb(partid);
+ xpc_arch_ops.disallow_hb(partid);
xpc_mark_partition_inactive(part);
if (part->reason == xpReactivating) {
/* interrupting ourselves results in activating partition */
- xpc_request_partition_reactivation(part);
+ xpc_arch_ops.request_partition_reactivation(part);
}
return 0;
@@ -718,10 +657,13 @@
static void
xpc_kthread_waitmsgs(struct xpc_partition *part, struct xpc_channel *ch)
{
+ int (*n_of_deliverable_payloads) (struct xpc_channel *) =
+ xpc_arch_ops.n_of_deliverable_payloads;
+
do {
/* deliver messages to their intended recipients */
- while (xpc_n_of_deliverable_payloads(ch) > 0 &&
+ while (n_of_deliverable_payloads(ch) > 0 &&
!(ch->flags & XPC_C_DISCONNECTING)) {
xpc_deliver_payload(ch);
}
@@ -737,7 +679,7 @@
"wait_event_interruptible_exclusive()\n");
(void)wait_event_interruptible_exclusive(ch->idle_wq,
- (xpc_n_of_deliverable_payloads(ch) > 0 ||
+ (n_of_deliverable_payloads(ch) > 0 ||
(ch->flags & XPC_C_DISCONNECTING)));
atomic_dec(&ch->kthreads_idle);
@@ -754,6 +696,8 @@
struct xpc_channel *ch;
int n_needed;
unsigned long irq_flags;
+ int (*n_of_deliverable_payloads) (struct xpc_channel *) =
+ xpc_arch_ops.n_of_deliverable_payloads;
dev_dbg(xpc_chan, "kthread starting, partid=%d, channel=%d\n",
partid, ch_number);
@@ -782,7 +726,7 @@
* additional kthreads to help deliver them. We only
* need one less than total #of messages to deliver.
*/
- n_needed = xpc_n_of_deliverable_payloads(ch) - 1;
+ n_needed = n_of_deliverable_payloads(ch) - 1;
if (n_needed > 0 && !(ch->flags & XPC_C_DISCONNECTING))
xpc_activate_kthreads(ch, n_needed);
@@ -810,7 +754,7 @@
if (atomic_dec_return(&ch->kthreads_assigned) == 0 &&
atomic_dec_return(&part->nchannels_engaged) == 0) {
- xpc_indicate_partition_disengaged(part);
+ xpc_arch_ops.indicate_partition_disengaged(part);
}
xpc_msgqueue_deref(ch);
@@ -842,6 +786,8 @@
u64 args = XPC_PACK_ARGS(ch->partid, ch->number);
struct xpc_partition *part = &xpc_partitions[ch->partid];
struct task_struct *kthread;
+ void (*indicate_partition_disengaged) (struct xpc_partition *) =
+ xpc_arch_ops.indicate_partition_disengaged;
while (needed-- > 0) {
@@ -863,7 +809,7 @@
} else if (atomic_inc_return(&ch->kthreads_assigned) == 1 &&
atomic_inc_return(&part->nchannels_engaged) == 1) {
- xpc_indicate_partition_engaged(part);
+ xpc_arch_ops.indicate_partition_engaged(part);
}
(void)xpc_part_ref(part);
xpc_msgqueue_ref(ch);
@@ -885,7 +831,7 @@
if (atomic_dec_return(&ch->kthreads_assigned) == 0 &&
atomic_dec_return(&part->nchannels_engaged) == 0) {
- xpc_indicate_partition_disengaged(part);
+ indicate_partition_disengaged(part);
}
xpc_msgqueue_deref(ch);
xpc_part_deref(part);
@@ -998,13 +944,13 @@
atomic_set(&part->references, 0);
}
- return xpc_setup_partitions_sn();
+ return xpc_arch_ops.setup_partitions();
}
static void
xpc_teardown_partitions(void)
{
- xpc_teardown_partitions_sn();
+ xpc_arch_ops.teardown_partitions();
kfree(xpc_partitions);
}
@@ -1060,7 +1006,7 @@
disengage_timeout = part->disengage_timeout;
}
- if (xpc_any_partition_engaged()) {
+ if (xpc_arch_ops.any_partition_engaged()) {
if (time_is_before_jiffies(printmsg_time)) {
dev_info(xpc_part, "waiting for remote "
"partitions to deactivate, timeout in "
@@ -1091,7 +1037,7 @@
} while (1);
- DBUG_ON(xpc_any_partition_engaged());
+ DBUG_ON(xpc_arch_ops.any_partition_engaged());
xpc_teardown_rsvd_page();
@@ -1156,15 +1102,15 @@
/* keep xpc_hb_checker thread from doing anything (just in case) */
xpc_exiting = 1;
- xpc_disallow_all_hbs(); /*indicate we're deactivated */
+ xpc_arch_ops.disallow_all_hbs(); /*indicate we're deactivated */
for (partid = 0; partid < xp_max_npartitions; partid++) {
part = &xpc_partitions[partid];
- if (xpc_partition_engaged(partid) ||
+ if (xpc_arch_ops.partition_engaged(partid) ||
part->act_state != XPC_P_AS_INACTIVE) {
- xpc_request_partition_deactivation(part);
- xpc_indicate_partition_disengaged(part);
+ xpc_arch_ops.request_partition_deactivation(part);
+ xpc_arch_ops.indicate_partition_disengaged(part);
}
}
@@ -1181,7 +1127,7 @@
wait_to_print = XPC_DEACTIVATE_PRINTMSG_INTERVAL * 1000 * 5;
while (1) {
- any_engaged = xpc_any_partition_engaged();
+ any_engaged = xpc_arch_ops.any_partition_engaged();
if (!any_engaged) {
dev_info(xpc_part, "all partitions have deactivated\n");
break;
@@ -1190,7 +1136,7 @@
if (!keep_waiting--) {
for (partid = 0; partid < xp_max_npartitions;
partid++) {
- if (xpc_partition_engaged(partid)) {
+ if (xpc_arch_ops.partition_engaged(partid)) {
dev_info(xpc_part, "deactivate from "
"remote partition %d timed "
"out\n", partid);
@@ -1237,7 +1183,7 @@
/* fall through */
case DIE_MCA_MONARCH_ENTER:
case DIE_INIT_MONARCH_ENTER:
- xpc_offline_heartbeat();
+ xpc_arch_ops.offline_heartbeat();
break;
case DIE_KDEBUG_LEAVE:
@@ -1248,7 +1194,7 @@
/* fall through */
case DIE_MCA_MONARCH_LEAVE:
case DIE_INIT_MONARCH_LEAVE:
- xpc_online_heartbeat();
+ xpc_arch_ops.online_heartbeat();
break;
}
#else
diff --git a/drivers/misc/sgi-xp/xpc_partition.c b/drivers/misc/sgi-xp/xpc_partition.c
index 6722f6f..65877bc 100644
--- a/drivers/misc/sgi-xp/xpc_partition.c
+++ b/drivers/misc/sgi-xp/xpc_partition.c
@@ -70,6 +70,9 @@
size_t buf_len = 0;
void *buf = buf;
void *buf_base = NULL;
+ enum xp_retval (*get_partition_rsvd_page_pa)
+ (void *, u64 *, unsigned long *, size_t *) =
+ xpc_arch_ops.get_partition_rsvd_page_pa;
while (1) {
@@ -79,8 +82,7 @@
* ??? function or have two versions? Rename rp_pa for UV to
* ??? rp_gpa?
*/
- ret = xpc_get_partition_rsvd_page_pa(buf, &cookie, &rp_pa,
- &len);
+ ret = get_partition_rsvd_page_pa(buf, &cookie, &rp_pa, &len);
dev_dbg(xpc_part, "SAL returned with ret=%d, cookie=0x%016lx, "
"address=0x%016lx, len=0x%016lx\n", ret,
@@ -172,7 +174,7 @@
xpc_part_nasids = XPC_RP_PART_NASIDS(rp);
xpc_mach_nasids = XPC_RP_MACH_NASIDS(rp);
- ret = xpc_setup_rsvd_page_sn(rp);
+ ret = xpc_arch_ops.setup_rsvd_page(rp);
if (ret != 0)
return ret;
@@ -264,7 +266,7 @@
short partid = XPC_PARTID(part);
int disengaged;
- disengaged = !xpc_partition_engaged(partid);
+ disengaged = !xpc_arch_ops.partition_engaged(partid);
if (part->disengage_timeout) {
if (!disengaged) {
if (time_is_after_jiffies(part->disengage_timeout)) {
@@ -280,7 +282,7 @@
dev_info(xpc_part, "deactivate request to remote "
"partition %d timed out\n", partid);
xpc_disengage_timedout = 1;
- xpc_assume_partition_disengaged(partid);
+ xpc_arch_ops.assume_partition_disengaged(partid);
disengaged = 1;
}
part->disengage_timeout = 0;
@@ -294,7 +296,7 @@
if (part->act_state != XPC_P_AS_INACTIVE)
xpc_wakeup_channel_mgr(part);
- xpc_cancel_partition_deactivation_request(part);
+ xpc_arch_ops.cancel_partition_deactivation_request(part);
}
return disengaged;
}
@@ -339,7 +341,7 @@
spin_unlock_irqrestore(&part->act_lock, irq_flags);
if (reason == xpReactivating) {
/* we interrupt ourselves to reactivate partition */
- xpc_request_partition_reactivation(part);
+ xpc_arch_ops.request_partition_reactivation(part);
}
return;
}
@@ -358,7 +360,7 @@
spin_unlock_irqrestore(&part->act_lock, irq_flags);
/* ask remote partition to deactivate with regard to us */
- xpc_request_partition_deactivation(part);
+ xpc_arch_ops.request_partition_deactivation(part);
/* set a timelimit on the disengage phase of the deactivation request */
part->disengage_timeout = jiffies + (xpc_disengage_timelimit * HZ);
@@ -496,7 +498,7 @@
continue;
}
- xpc_request_partition_activation(remote_rp,
+ xpc_arch_ops.request_partition_activation(remote_rp,
remote_rp_pa, nasid);
}
}
diff --git a/drivers/misc/sgi-xp/xpc_sn2.c b/drivers/misc/sgi-xp/xpc_sn2.c
index 09bc198..915a3b4 100644
--- a/drivers/misc/sgi-xp/xpc_sn2.c
+++ b/drivers/misc/sgi-xp/xpc_sn2.c
@@ -60,14 +60,14 @@
static struct xpc_vars_part_sn2 *xpc_vars_part_sn2;
static int
-xpc_setup_partitions_sn_sn2(void)
+xpc_setup_partitions_sn2(void)
{
/* nothing needs to be done */
return 0;
}
static void
-xpc_teardown_partitions_sn_sn2(void)
+xpc_teardown_partitions_sn2(void)
{
/* nothing needs to be done */
}
@@ -628,7 +628,7 @@
static int
-xpc_setup_rsvd_page_sn_sn2(struct xpc_rsvd_page *rp)
+xpc_setup_rsvd_page_sn2(struct xpc_rsvd_page *rp)
{
struct amo *amos_page;
int i;
@@ -1162,7 +1162,7 @@
* Setup the channel structures that are sn2 specific.
*/
static enum xp_retval
-xpc_setup_ch_structures_sn_sn2(struct xpc_partition *part)
+xpc_setup_ch_structures_sn2(struct xpc_partition *part)
{
struct xpc_partition_sn2 *part_sn2 = &part->sn.sn2;
struct xpc_channel_sn2 *ch_sn2;
@@ -1284,7 +1284,7 @@
* Teardown the channel structures that are sn2 specific.
*/
static void
-xpc_teardown_ch_structures_sn_sn2(struct xpc_partition *part)
+xpc_teardown_ch_structures_sn2(struct xpc_partition *part)
{
struct xpc_partition_sn2 *part_sn2 = &part->sn.sn2;
short partid = XPC_PARTID(part);
@@ -2348,66 +2348,70 @@
xpc_acknowledge_msgs_sn2(ch, get, msg->flags);
}
+static struct xpc_arch_operations xpc_arch_ops_sn2 = {
+ .setup_partitions = xpc_setup_partitions_sn2,
+ .teardown_partitions = xpc_teardown_partitions_sn2,
+ .process_activate_IRQ_rcvd = xpc_process_activate_IRQ_rcvd_sn2,
+ .get_partition_rsvd_page_pa = xpc_get_partition_rsvd_page_pa_sn2,
+ .setup_rsvd_page = xpc_setup_rsvd_page_sn2,
+
+ .allow_hb = xpc_allow_hb_sn2,
+ .disallow_hb = xpc_disallow_hb_sn2,
+ .disallow_all_hbs = xpc_disallow_all_hbs_sn2,
+ .increment_heartbeat = xpc_increment_heartbeat_sn2,
+ .offline_heartbeat = xpc_offline_heartbeat_sn2,
+ .online_heartbeat = xpc_online_heartbeat_sn2,
+ .heartbeat_init = xpc_heartbeat_init_sn2,
+ .heartbeat_exit = xpc_heartbeat_exit_sn2,
+ .get_remote_heartbeat = xpc_get_remote_heartbeat_sn2,
+
+ .request_partition_activation =
+ xpc_request_partition_activation_sn2,
+ .request_partition_reactivation =
+ xpc_request_partition_reactivation_sn2,
+ .request_partition_deactivation =
+ xpc_request_partition_deactivation_sn2,
+ .cancel_partition_deactivation_request =
+ xpc_cancel_partition_deactivation_request_sn2,
+
+ .setup_ch_structures = xpc_setup_ch_structures_sn2,
+ .teardown_ch_structures = xpc_teardown_ch_structures_sn2,
+
+ .make_first_contact = xpc_make_first_contact_sn2,
+
+ .get_chctl_all_flags = xpc_get_chctl_all_flags_sn2,
+ .send_chctl_closerequest = xpc_send_chctl_closerequest_sn2,
+ .send_chctl_closereply = xpc_send_chctl_closereply_sn2,
+ .send_chctl_openrequest = xpc_send_chctl_openrequest_sn2,
+ .send_chctl_openreply = xpc_send_chctl_openreply_sn2,
+ .send_chctl_opencomplete = xpc_send_chctl_opencomplete_sn2,
+ .process_msg_chctl_flags = xpc_process_msg_chctl_flags_sn2,
+
+ .save_remote_msgqueue_pa = xpc_save_remote_msgqueue_pa_sn2,
+
+ .setup_msg_structures = xpc_setup_msg_structures_sn2,
+ .teardown_msg_structures = xpc_teardown_msg_structures_sn2,
+
+ .indicate_partition_engaged = xpc_indicate_partition_engaged_sn2,
+ .indicate_partition_disengaged = xpc_indicate_partition_disengaged_sn2,
+ .partition_engaged = xpc_partition_engaged_sn2,
+ .any_partition_engaged = xpc_any_partition_engaged_sn2,
+ .assume_partition_disengaged = xpc_assume_partition_disengaged_sn2,
+
+ .n_of_deliverable_payloads = xpc_n_of_deliverable_payloads_sn2,
+ .send_payload = xpc_send_payload_sn2,
+ .get_deliverable_payload = xpc_get_deliverable_payload_sn2,
+ .received_payload = xpc_received_payload_sn2,
+ .notify_senders_of_disconnect = xpc_notify_senders_of_disconnect_sn2,
+};
+
int
xpc_init_sn2(void)
{
int ret;
size_t buf_size;
- xpc_setup_partitions_sn = xpc_setup_partitions_sn_sn2;
- xpc_teardown_partitions_sn = xpc_teardown_partitions_sn_sn2;
- xpc_get_partition_rsvd_page_pa = xpc_get_partition_rsvd_page_pa_sn2;
- xpc_setup_rsvd_page_sn = xpc_setup_rsvd_page_sn_sn2;
-
- xpc_allow_hb = xpc_allow_hb_sn2;
- xpc_disallow_hb = xpc_disallow_hb_sn2;
- xpc_disallow_all_hbs = xpc_disallow_all_hbs_sn2;
- xpc_increment_heartbeat = xpc_increment_heartbeat_sn2;
- xpc_offline_heartbeat = xpc_offline_heartbeat_sn2;
- xpc_online_heartbeat = xpc_online_heartbeat_sn2;
- xpc_heartbeat_init = xpc_heartbeat_init_sn2;
- xpc_heartbeat_exit = xpc_heartbeat_exit_sn2;
- xpc_get_remote_heartbeat = xpc_get_remote_heartbeat_sn2;
-
- xpc_request_partition_activation = xpc_request_partition_activation_sn2;
- xpc_request_partition_reactivation =
- xpc_request_partition_reactivation_sn2;
- xpc_request_partition_deactivation =
- xpc_request_partition_deactivation_sn2;
- xpc_cancel_partition_deactivation_request =
- xpc_cancel_partition_deactivation_request_sn2;
-
- xpc_process_activate_IRQ_rcvd = xpc_process_activate_IRQ_rcvd_sn2;
- xpc_setup_ch_structures_sn = xpc_setup_ch_structures_sn_sn2;
- xpc_teardown_ch_structures_sn = xpc_teardown_ch_structures_sn_sn2;
- xpc_make_first_contact = xpc_make_first_contact_sn2;
-
- xpc_get_chctl_all_flags = xpc_get_chctl_all_flags_sn2;
- xpc_send_chctl_closerequest = xpc_send_chctl_closerequest_sn2;
- xpc_send_chctl_closereply = xpc_send_chctl_closereply_sn2;
- xpc_send_chctl_openrequest = xpc_send_chctl_openrequest_sn2;
- xpc_send_chctl_openreply = xpc_send_chctl_openreply_sn2;
- xpc_send_chctl_opencomplete = xpc_send_chctl_opencomplete_sn2;
-
- xpc_save_remote_msgqueue_pa = xpc_save_remote_msgqueue_pa_sn2;
-
- xpc_setup_msg_structures = xpc_setup_msg_structures_sn2;
- xpc_teardown_msg_structures = xpc_teardown_msg_structures_sn2;
-
- xpc_notify_senders_of_disconnect = xpc_notify_senders_of_disconnect_sn2;
- xpc_process_msg_chctl_flags = xpc_process_msg_chctl_flags_sn2;
- xpc_n_of_deliverable_payloads = xpc_n_of_deliverable_payloads_sn2;
- xpc_get_deliverable_payload = xpc_get_deliverable_payload_sn2;
-
- xpc_indicate_partition_engaged = xpc_indicate_partition_engaged_sn2;
- xpc_indicate_partition_disengaged =
- xpc_indicate_partition_disengaged_sn2;
- xpc_partition_engaged = xpc_partition_engaged_sn2;
- xpc_any_partition_engaged = xpc_any_partition_engaged_sn2;
- xpc_assume_partition_disengaged = xpc_assume_partition_disengaged_sn2;
-
- xpc_send_payload = xpc_send_payload_sn2;
- xpc_received_payload = xpc_received_payload_sn2;
+ xpc_arch_ops = xpc_arch_ops_sn2;
if (offsetof(struct xpc_msg_sn2, payload) > XPC_MSG_HDR_MAX_SIZE) {
dev_err(xpc_part, "header portion of struct xpc_msg_sn2 is "
diff --git a/drivers/misc/sgi-xp/xpc_uv.c b/drivers/misc/sgi-xp/xpc_uv.c
index 1e475b4..9172fcd 100644
--- a/drivers/misc/sgi-xp/xpc_uv.c
+++ b/drivers/misc/sgi-xp/xpc_uv.c
@@ -62,7 +62,7 @@
static struct xpc_gru_mq_uv *xpc_notify_mq_uv;
static int
-xpc_setup_partitions_sn_uv(void)
+xpc_setup_partitions_uv(void)
{
short partid;
struct xpc_partition_uv *part_uv;
@@ -78,7 +78,7 @@
}
static void
-xpc_teardown_partitions_sn_uv(void)
+xpc_teardown_partitions_uv(void)
{
short partid;
struct xpc_partition_uv *part_uv;
@@ -782,7 +782,7 @@
}
static int
-xpc_setup_rsvd_page_sn_uv(struct xpc_rsvd_page *rp)
+xpc_setup_rsvd_page_uv(struct xpc_rsvd_page *rp)
{
xpc_heartbeat_uv =
&xpc_partitions[sn_partition_id].sn.uv.cached_heartbeat;
@@ -980,7 +980,7 @@
* Setup the channel structures that are uv specific.
*/
static enum xp_retval
-xpc_setup_ch_structures_sn_uv(struct xpc_partition *part)
+xpc_setup_ch_structures_uv(struct xpc_partition *part)
{
struct xpc_channel_uv *ch_uv;
int ch_number;
@@ -999,7 +999,7 @@
* Teardown the channel structures that are uv specific.
*/
static void
-xpc_teardown_ch_structures_sn_uv(struct xpc_partition *part)
+xpc_teardown_ch_structures_uv(struct xpc_partition *part)
{
/* nothing needs to be done */
return;
@@ -1649,63 +1649,67 @@
msg->hdr.msg_slot_number += ch->remote_nentries;
}
+static struct xpc_arch_operations xpc_arch_ops_uv = {
+ .setup_partitions = xpc_setup_partitions_uv,
+ .teardown_partitions = xpc_teardown_partitions_uv,
+ .process_activate_IRQ_rcvd = xpc_process_activate_IRQ_rcvd_uv,
+ .get_partition_rsvd_page_pa = xpc_get_partition_rsvd_page_pa_uv,
+ .setup_rsvd_page = xpc_setup_rsvd_page_uv,
+
+ .allow_hb = xpc_allow_hb_uv,
+ .disallow_hb = xpc_disallow_hb_uv,
+ .disallow_all_hbs = xpc_disallow_all_hbs_uv,
+ .increment_heartbeat = xpc_increment_heartbeat_uv,
+ .offline_heartbeat = xpc_offline_heartbeat_uv,
+ .online_heartbeat = xpc_online_heartbeat_uv,
+ .heartbeat_init = xpc_heartbeat_init_uv,
+ .heartbeat_exit = xpc_heartbeat_exit_uv,
+ .get_remote_heartbeat = xpc_get_remote_heartbeat_uv,
+
+ .request_partition_activation =
+ xpc_request_partition_activation_uv,
+ .request_partition_reactivation =
+ xpc_request_partition_reactivation_uv,
+ .request_partition_deactivation =
+ xpc_request_partition_deactivation_uv,
+ .cancel_partition_deactivation_request =
+ xpc_cancel_partition_deactivation_request_uv,
+
+ .setup_ch_structures = xpc_setup_ch_structures_uv,
+ .teardown_ch_structures = xpc_teardown_ch_structures_uv,
+
+ .make_first_contact = xpc_make_first_contact_uv,
+
+ .get_chctl_all_flags = xpc_get_chctl_all_flags_uv,
+ .send_chctl_closerequest = xpc_send_chctl_closerequest_uv,
+ .send_chctl_closereply = xpc_send_chctl_closereply_uv,
+ .send_chctl_openrequest = xpc_send_chctl_openrequest_uv,
+ .send_chctl_openreply = xpc_send_chctl_openreply_uv,
+ .send_chctl_opencomplete = xpc_send_chctl_opencomplete_uv,
+ .process_msg_chctl_flags = xpc_process_msg_chctl_flags_uv,
+
+ .save_remote_msgqueue_pa = xpc_save_remote_msgqueue_pa_uv,
+
+ .setup_msg_structures = xpc_setup_msg_structures_uv,
+ .teardown_msg_structures = xpc_teardown_msg_structures_uv,
+
+ .indicate_partition_engaged = xpc_indicate_partition_engaged_uv,
+ .indicate_partition_disengaged = xpc_indicate_partition_disengaged_uv,
+ .assume_partition_disengaged = xpc_assume_partition_disengaged_uv,
+ .partition_engaged = xpc_partition_engaged_uv,
+ .any_partition_engaged = xpc_any_partition_engaged_uv,
+
+ .n_of_deliverable_payloads = xpc_n_of_deliverable_payloads_uv,
+ .send_payload = xpc_send_payload_uv,
+ .get_deliverable_payload = xpc_get_deliverable_payload_uv,
+ .received_payload = xpc_received_payload_uv,
+ .notify_senders_of_disconnect = xpc_notify_senders_of_disconnect_uv,
+};
+
int
xpc_init_uv(void)
{
- xpc_setup_partitions_sn = xpc_setup_partitions_sn_uv;
- xpc_teardown_partitions_sn = xpc_teardown_partitions_sn_uv;
- xpc_process_activate_IRQ_rcvd = xpc_process_activate_IRQ_rcvd_uv;
- xpc_get_partition_rsvd_page_pa = xpc_get_partition_rsvd_page_pa_uv;
- xpc_setup_rsvd_page_sn = xpc_setup_rsvd_page_sn_uv;
-
- xpc_allow_hb = xpc_allow_hb_uv;
- xpc_disallow_hb = xpc_disallow_hb_uv;
- xpc_disallow_all_hbs = xpc_disallow_all_hbs_uv;
- xpc_increment_heartbeat = xpc_increment_heartbeat_uv;
- xpc_offline_heartbeat = xpc_offline_heartbeat_uv;
- xpc_online_heartbeat = xpc_online_heartbeat_uv;
- xpc_heartbeat_init = xpc_heartbeat_init_uv;
- xpc_heartbeat_exit = xpc_heartbeat_exit_uv;
- xpc_get_remote_heartbeat = xpc_get_remote_heartbeat_uv;
-
- xpc_request_partition_activation = xpc_request_partition_activation_uv;
- xpc_request_partition_reactivation =
- xpc_request_partition_reactivation_uv;
- xpc_request_partition_deactivation =
- xpc_request_partition_deactivation_uv;
- xpc_cancel_partition_deactivation_request =
- xpc_cancel_partition_deactivation_request_uv;
-
- xpc_setup_ch_structures_sn = xpc_setup_ch_structures_sn_uv;
- xpc_teardown_ch_structures_sn = xpc_teardown_ch_structures_sn_uv;
-
- xpc_make_first_contact = xpc_make_first_contact_uv;
-
- xpc_get_chctl_all_flags = xpc_get_chctl_all_flags_uv;
- xpc_send_chctl_closerequest = xpc_send_chctl_closerequest_uv;
- xpc_send_chctl_closereply = xpc_send_chctl_closereply_uv;
- xpc_send_chctl_openrequest = xpc_send_chctl_openrequest_uv;
- xpc_send_chctl_openreply = xpc_send_chctl_openreply_uv;
- xpc_send_chctl_opencomplete = xpc_send_chctl_opencomplete_uv;
-
- xpc_save_remote_msgqueue_pa = xpc_save_remote_msgqueue_pa_uv;
-
- xpc_setup_msg_structures = xpc_setup_msg_structures_uv;
- xpc_teardown_msg_structures = xpc_teardown_msg_structures_uv;
-
- xpc_indicate_partition_engaged = xpc_indicate_partition_engaged_uv;
- xpc_indicate_partition_disengaged =
- xpc_indicate_partition_disengaged_uv;
- xpc_assume_partition_disengaged = xpc_assume_partition_disengaged_uv;
- xpc_partition_engaged = xpc_partition_engaged_uv;
- xpc_any_partition_engaged = xpc_any_partition_engaged_uv;
-
- xpc_n_of_deliverable_payloads = xpc_n_of_deliverable_payloads_uv;
- xpc_process_msg_chctl_flags = xpc_process_msg_chctl_flags_uv;
- xpc_send_payload = xpc_send_payload_uv;
- xpc_notify_senders_of_disconnect = xpc_notify_senders_of_disconnect_uv;
- xpc_get_deliverable_payload = xpc_get_deliverable_payload_uv;
- xpc_received_payload = xpc_received_payload_uv;
+ xpc_arch_ops = xpc_arch_ops_uv;
if (sizeof(struct xpc_notify_mq_msghdr_uv) > XPC_MSG_HDR_MAX_SIZE) {
dev_err(xpc_part, "xpc_notify_mq_msghdr_uv is larger than %d\n",