* 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.
*/
/*
*/
#include <linux/delay.h>
+#include <linux/slab.h>
#include <asm/uncached.h>
#include <asm/sn/mspec.h>
#include <asm/sn/sn_sal.h>
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_sn2(void)
+{
+ /* nothing needs to be done */
+}
+
/* SH_IPI_ACCESS shub register value on startup */
static u64 xpc_sh1_IPI_access_sn2;
static u64 xpc_sh2_IPI_access0_sn2;
spin_unlock_irqrestore(&part->chctl_lock, irq_flags);
dev_dbg(xpc_chan, "received notify IRQ from partid=%d, chctl.all_flags="
- "0x%lx\n", XPC_PARTID(part), chctl.all_flags);
+ "0x%llx\n", XPC_PARTID(part), chctl.all_flags);
xpc_wakeup_channel_mgr(part);
}
}
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);
XPC_SEND_LOCAL_NOTIFY_IRQ_SN2(ch, XPC_CHCTL_MSGREQUEST);
}
-static void
+static enum xp_retval
xpc_save_remote_msgqueue_pa_sn2(struct xpc_channel *ch,
unsigned long msgqueue_pa)
{
ch->sn.sn2.remote_msgqueue_pa = msgqueue_pa;
+ return xpSuccess;
}
/*
s64 status;
enum xp_retval ret;
- status = sn_partition_reserved_page_pa((u64)buf, cookie, rp_pa, len);
+ status = sn_partition_reserved_page_pa((u64)buf, cookie,
+ (u64 *)rp_pa, (u64 *)len);
if (status == SALRET_OK)
ret = xpSuccess;
else if (status == SALRET_MORE_PASSES)
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;
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) +
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)
{
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();
}
if (ret != xpSuccess)
return ret;
- dev_dbg(xpc_part, "partid=%d, heartbeat=%ld, last_heartbeat=%ld, "
- "heartbeat_offline=%ld, HB_mask[0]=0x%lx\n", XPC_PARTID(part),
+ dev_dbg(xpc_part, "partid=%d, heartbeat=%lld, last_heartbeat=%lld, "
+ "heartbeat_offline=%lld, HB_mask[0]=0x%lx\n", XPC_PARTID(part),
remote_vars->heartbeat, part->last_heartbeat,
remote_vars->heartbeat_offline,
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;
part_sn2->remote_vars_pa);
part->last_heartbeat = remote_vars->heartbeat - 1;
- dev_dbg(xpc_part, " last_heartbeat = 0x%016lx\n",
+ dev_dbg(xpc_part, " last_heartbeat = 0x%016llx\n",
part->last_heartbeat);
part_sn2->remote_vars_part_pa = remote_vars->vars_part_pa;
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;
part->activate_IRQ_rcvd++;
dev_dbg(xpc_part, "partid for nasid %d is %d; IRQs = %d; HB = "
- "%ld:0x%lx\n", (int)nasid, (int)partid, part->activate_IRQ_rcvd,
+ "%lld:0x%lx\n", (int)nasid, (int)partid,
+ part->activate_IRQ_rcvd,
remote_vars->heartbeat, remote_vars->heartbeating_to_mask[0]);
if (xpc_partition_disengaged(part) &&
do {
n_IRQs_detected++;
nasid = (l * BITS_PER_LONG + b) * 2;
- dev_dbg(xpc_part, "interrupt from nasid %ld\n", nasid);
+ dev_dbg(xpc_part, "interrupt from nasid %lld\n", nasid);
xpc_identify_activate_IRQ_req_sn2(nasid);
b = find_next_bit(&nasid_mask_long, BITS_PER_LONG,
* 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;
* 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);
if (pulled_entry->magic != 0) {
dev_dbg(xpc_chan, "partition %d's XPC vars_part for "
- "partition %d has bad magic value (=0x%lx)\n",
+ "partition %d has bad magic value (=0x%llx)\n",
partid, sn_partition_id, pulled_entry->magic);
return xpBadMagic;
}
if (notify->func != NULL) {
dev_dbg(xpc_chan, "notify->func() called, notify=0x%p "
- "msg_number=%ld partid=%d channel=%d\n",
+ "msg_number=%lld partid=%d channel=%d\n",
(void *)notify, get, ch->partid, ch->number);
notify->func(reason, ch->partid, ch->number,
notify->key);
dev_dbg(xpc_chan, "notify->func() returned, notify=0x%p"
- " msg_number=%ld partid=%d channel=%d\n",
+ " msg_number=%lld partid=%d channel=%d\n",
(void *)notify, get, ch->partid, ch->number);
}
}
{
struct xpc_channel_sn2 *ch_sn2 = &ch->sn.sn2;
struct xpc_msg_sn2 *msg;
- s64 put;
+ s64 put, remote_nentries = ch->remote_nentries;
/* flags are zeroed when the buffer is allocated */
- if (ch_sn2->remote_GP.put < ch->remote_nentries)
+ if (ch_sn2->remote_GP.put < remote_nentries)
return;
- put = max(ch_sn2->w_remote_GP.put, ch->remote_nentries);
+ put = max(ch_sn2->w_remote_GP.put, remote_nentries);
do {
msg = (struct xpc_msg_sn2 *)((u64)ch_sn2->remote_msgqueue +
- (put % ch->remote_nentries) *
+ (put % remote_nentries) *
ch->entry_size);
DBUG_ON(!(msg->flags & XPC_M_SN2_READY));
DBUG_ON(!(msg->flags & XPC_M_SN2_DONE));
- DBUG_ON(msg->number != put - ch->remote_nentries);
+ DBUG_ON(msg->number != put - remote_nentries);
msg->flags = 0;
} while (++put < ch_sn2->remote_GP.put);
}
ch_sn2->w_remote_GP.get = ch_sn2->remote_GP.get;
- dev_dbg(xpc_chan, "w_remote_GP.get changed to %ld, partid=%d, "
+ dev_dbg(xpc_chan, "w_remote_GP.get changed to %lld, partid=%d, "
"channel=%d\n", ch_sn2->w_remote_GP.get, ch->partid,
ch->number);
smp_wmb(); /* ensure flags have been cleared before bte_copy */
ch_sn2->w_remote_GP.put = ch_sn2->remote_GP.put;
- dev_dbg(xpc_chan, "w_remote_GP.put changed to %ld, partid=%d, "
+ dev_dbg(xpc_chan, "w_remote_GP.put changed to %lld, partid=%d, "
"channel=%d\n", ch_sn2->w_remote_GP.put, ch->partid,
ch->number);
if (ret != xpSuccess) {
dev_dbg(xpc_chan, "failed to pull %d msgs starting with"
- " msg %ld from partition %d, channel=%d, "
+ " msg %lld from partition %d, channel=%d, "
"ret=%d\n", nmsgs, ch_sn2->next_msg_to_pull,
ch->partid, ch->number, ret);
if (cmpxchg(&ch_sn2->w_local_GP.get, get, get + 1) == get) {
/* we got the entry referenced by get */
- dev_dbg(xpc_chan, "w_local_GP.get changed to %ld, "
+ dev_dbg(xpc_chan, "w_local_GP.get changed to %lld, "
"partid=%d, channel=%d\n", get + 1,
ch->partid, ch->number);
/* we just set the new value of local_GP->put */
- dev_dbg(xpc_chan, "local_GP->put changed to %ld, partid=%d, "
+ dev_dbg(xpc_chan, "local_GP->put changed to %lld, partid=%d, "
"channel=%d\n", put, ch->partid, ch->number);
send_msgrequest = 1;
DBUG_ON(msg->flags != 0);
msg->number = put;
- dev_dbg(xpc_chan, "w_local_GP.put changed to %ld; msg=0x%p, "
- "msg_number=%ld, partid=%d, channel=%d\n", put + 1,
+ dev_dbg(xpc_chan, "w_local_GP.put changed to %lld; msg=0x%p, "
+ "msg_number=%lld, partid=%d, channel=%d\n", put + 1,
(void *)msg, msg->number, ch->partid, ch->number);
*address_of_msg = msg;
/* we just set the new value of local_GP->get */
- dev_dbg(xpc_chan, "local_GP->get changed to %ld, partid=%d, "
+ dev_dbg(xpc_chan, "local_GP->get changed to %lld, partid=%d, "
"channel=%d\n", get, ch->partid, ch->number);
send_msgrequest = (msg_flags & XPC_M_SN2_INTERRUPT);
msg = container_of(payload, struct xpc_msg_sn2, payload);
msg_number = msg->number;
- dev_dbg(xpc_chan, "msg=0x%p, msg_number=%ld, partid=%d, channel=%d\n",
+ dev_dbg(xpc_chan, "msg=0x%p, msg_number=%lld, partid=%d, channel=%d\n",
(void *)msg, msg_number, ch->partid, ch->number);
DBUG_ON((((u64)msg - (u64)ch->sn.sn2.remote_msgqueue) / ch->entry_size) !=
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_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 "
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