1 files changed, 103 insertions, 61 deletions

diff --git a/drivers/misc/sgi-xp/xpc_sn2.c b/drivers/misc/sgi-xp/xpc_sn2.c
index eaaa964942de..915a3b495da5 100644
--- a/drivers/misc/sgi-xp/xpc_sn2.c
+++ b/drivers/misc/sgi-xp/xpc_sn2.c
@@ -3,7 +3,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (c) 2008 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2008-2009 Silicon Graphics, Inc.  All Rights Reserved.
  */
 
 /*
@@ -60,14 +60,14 @@ static struct xpc_vars_sn2 *xpc_vars_sn2;
 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 */
 }
@@ -431,6 +431,13 @@ xpc_send_chctl_openreply_sn2(struct xpc_channel *ch, unsigned long *irq_flags)
 }
 
 static void
+xpc_send_chctl_opencomplete_sn2(struct xpc_channel *ch,
+				unsigned long *irq_flags)
+{
+	XPC_SEND_NOTIFY_IRQ_SN2(ch, XPC_CHCTL_OPENCOMPLETE, irq_flags);
+}
+
+static void
 xpc_send_chctl_msgrequest_sn2(struct xpc_channel *ch)
 {
 	XPC_SEND_NOTIFY_IRQ_SN2(ch, XPC_CHCTL_MSGREQUEST, NULL);
@@ -621,7 +628,7 @@ xpc_get_partition_rsvd_page_pa_sn2(void *buf, u64 *cookie, unsigned long *rp_pa,
 
 
 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;
@@ -629,7 +636,7 @@ xpc_setup_rsvd_page_sn_sn2(struct xpc_rsvd_page *rp)
 
 	xpc_vars_sn2 = XPC_RP_VARS(rp);
 
-	rp->sn.vars_pa = xp_pa(xpc_vars_sn2);
+	rp->sn.sn2.vars_pa = xp_pa(xpc_vars_sn2);
 
 	/* vars_part array follows immediately after vars */
 	xpc_vars_part_sn2 = (struct xpc_vars_part_sn2 *)((u8 *)XPC_RP_VARS(rp) +
@@ -693,6 +700,33 @@ xpc_setup_rsvd_page_sn_sn2(struct xpc_rsvd_page *rp)
 	return 0;
 }
 
+static int
+xpc_hb_allowed_sn2(short partid, void *heartbeating_to_mask)
+{
+	return test_bit(partid, heartbeating_to_mask);
+}
+
+static void
+xpc_allow_hb_sn2(short partid)
+{
+	DBUG_ON(xpc_vars_sn2 == NULL);
+	set_bit(partid, xpc_vars_sn2->heartbeating_to_mask);
+}
+
+static void
+xpc_disallow_hb_sn2(short partid)
+{
+	DBUG_ON(xpc_vars_sn2 == NULL);
+	clear_bit(partid, xpc_vars_sn2->heartbeating_to_mask);
+}
+
+static void
+xpc_disallow_all_hbs_sn2(void)
+{
+	DBUG_ON(xpc_vars_sn2 == NULL);
+	bitmap_zero(xpc_vars_sn2->heartbeating_to_mask, xp_max_npartitions);
+}
+
 static void
 xpc_increment_heartbeat_sn2(void)
 {
@@ -719,7 +753,6 @@ xpc_heartbeat_init_sn2(void)
 	DBUG_ON(xpc_vars_sn2 == NULL);
 
 	bitmap_zero(xpc_vars_sn2->heartbeating_to_mask, XP_MAX_NPARTITIONS_SN2);
-	xpc_heartbeating_to_mask = &xpc_vars_sn2->heartbeating_to_mask[0];
 	xpc_online_heartbeat_sn2();
 }
 
@@ -751,9 +784,9 @@ xpc_get_remote_heartbeat_sn2(struct xpc_partition *part)
 		remote_vars->heartbeating_to_mask[0]);
 
 	if ((remote_vars->heartbeat == part->last_heartbeat &&
-	    remote_vars->heartbeat_offline == 0) ||
-	    !xpc_hb_allowed(sn_partition_id,
-			    &remote_vars->heartbeating_to_mask)) {
+	    !remote_vars->heartbeat_offline) ||
+	    !xpc_hb_allowed_sn2(sn_partition_id,
+				remote_vars->heartbeating_to_mask)) {
 		ret = xpNoHeartbeat;
 	} else {
 		part->last_heartbeat = remote_vars->heartbeat;
@@ -972,7 +1005,7 @@ xpc_identify_activate_IRQ_req_sn2(int nasid)
 		return;
 	}
 
-	remote_vars_pa = remote_rp->sn.vars_pa;
+	remote_vars_pa = remote_rp->sn.sn2.vars_pa;
 	remote_rp_version = remote_rp->version;
 	remote_rp_ts_jiffies = remote_rp->ts_jiffies;
 
@@ -1129,7 +1162,7 @@ xpc_process_activate_IRQ_rcvd_sn2(void)
  * 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;
@@ -1251,7 +1284,7 @@ out_1:
  * 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);
@@ -2315,61 +2348,70 @@ xpc_received_payload_sn2(struct xpc_channel *ch, void *payload)
 		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_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_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 "