Merge branch 'master' of git://dev.medozas.de/linux
[firefly-linux-kernel-4.4.55.git] / drivers / misc / sgi-xp / xpc_sn2.c
index eaaa964942de97e91b0c5edfd7d3a6ff12bc4ed4..915a3b495da55c81bccb6e6a2d651437bdc6e1ea 100644 (file)
@@ -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 */
 }
@@ -430,6 +430,13 @@ xpc_send_chctl_openreply_sn2(struct xpc_channel *ch, unsigned long *irq_flags)
        XPC_SEND_NOTIFY_IRQ_SN2(ch, XPC_CHCTL_OPENREPLY, 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)
 {
@@ -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 "