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 "