static void
xpc_request_partition_activation_uv(struct xpc_rsvd_page *remote_rp,
unsigned long remote_rp_gpa, int nasid)
{
short partid = remote_rp->SAL_partid;
struct xpc_partition *part = &xpc_partitions[partid];
struct xpc_activate_mq_msg_activate_req_uv msg;
part->remote_rp_pa = remote_rp_gpa; /* !!! _pa here is really _gpa */
part->remote_rp_ts_jiffies = remote_rp->ts_jiffies;
part->sn.uv.heartbeat_gpa = remote_rp->sn.uv.heartbeat_gpa;
part->sn.uv.activate_gru_mq_desc_gpa =
remote_rp->sn.uv.activate_gru_mq_desc_gpa;
/*
* ??? Is it a good idea to make this conditional on what is
* ??? potentially stale state information?
*/
if (part->sn.uv.remote_act_state == XPC_P_AS_INACTIVE) {
msg.rp_gpa = uv_gpa(xpc_rsvd_page);
msg.heartbeat_gpa = xpc_rsvd_page->sn.uv.heartbeat_gpa;
msg.activate_gru_mq_desc_gpa =
xpc_rsvd_page->sn.uv.activate_gru_mq_desc_gpa;
xpc_send_activate_IRQ_part_uv(part, &msg, sizeof(msg),
XPC_ACTIVATE_MQ_MSG_ACTIVATE_REQ_UV);
}
if (part->act_state == XPC_P_AS_INACTIVE)
xpc_send_local_activate_IRQ_uv(part, XPC_P_ASR_ACTIVATE_UV);
}
static enum xp_retval
xpc_make_first_contact_uv(struct xpc_partition *part)
{
struct xpc_activate_mq_msg_uv msg;
/*
* We send a sync msg to get the remote partition's remote_act_state
* updated to our current act_state which at this point should
* be XPC_P_AS_ACTIVATING.
*/
xpc_send_activate_IRQ_part_uv(part, &msg, sizeof(msg),
XPC_ACTIVATE_MQ_MSG_SYNC_ACT_STATE_UV);
while (!((part->sn.uv.remote_act_state == XPC_P_AS_ACTIVATING) ||
(part->sn.uv.remote_act_state == XPC_P_AS_ACTIVE))) {
dev_dbg(xpc_part, "waiting to make first contact with "
"partition %d\n", XPC_PARTID(part));
/* wait a 1/4 of a second or so */
(void)msleep_interruptible(250);
if (part->act_state == XPC_P_AS_DEACTIVATING)
return part->reason;
}
return xpSuccess;
}
static void
xpc_request_partition_activation_uv(struct xpc_rsvd_page *remote_rp,
unsigned long remote_rp_gpa, int nasid)
{
short partid = remote_rp->SAL_partid;
struct xpc_partition *part = &xpc_partitions[partid];
struct xpc_activate_mq_msg_activate_req_uv msg;
part->remote_rp_pa = remote_rp_gpa;
part->remote_rp_ts_jiffies = remote_rp->ts_jiffies;
part->sn.uv.heartbeat_gpa = remote_rp->sn.uv.heartbeat_gpa;
part->sn.uv.activate_gru_mq_desc_gpa =
remote_rp->sn.uv.activate_gru_mq_desc_gpa;
if (part->sn.uv.remote_act_state == XPC_P_AS_INACTIVE) {
msg.rp_gpa = uv_gpa(xpc_rsvd_page);
msg.heartbeat_gpa = xpc_rsvd_page->sn.uv.heartbeat_gpa;
msg.activate_gru_mq_desc_gpa =
xpc_rsvd_page->sn.uv.activate_gru_mq_desc_gpa;
xpc_send_activate_IRQ_part_uv(part, &msg, sizeof(msg),
XPC_ACTIVATE_MQ_MSG_ACTIVATE_REQ_UV);
}
if (part->act_state == XPC_P_AS_INACTIVE)
xpc_send_local_activate_IRQ_uv(part, XPC_P_ASR_ACTIVATE_UV);
}
static void
xpc_indicate_partition_disengaged_uv(struct xpc_partition *part)
{
struct xpc_activate_mq_msg_uv msg;
xpc_send_activate_IRQ_part_uv(part, &msg, sizeof(msg),
XPC_ACTIVATE_MQ_MSG_MARK_DISENGAGED_UV);
}
static void
xpc_request_partition_deactivation_uv(struct xpc_partition *part)
{
struct xpc_activate_mq_msg_deactivate_req_uv msg;
if (part->sn.uv.remote_act_state != XPC_P_AS_DEACTIVATING &&
part->sn.uv.remote_act_state != XPC_P_AS_INACTIVE) {
msg.reason = part->reason;
xpc_send_activate_IRQ_part_uv(part, &msg, sizeof(msg),
XPC_ACTIVATE_MQ_MSG_DEACTIVATE_REQ_UV);
}
}
static void
xpc_request_partition_deactivation_uv(struct xpc_partition *part)
{
struct xpc_activate_mq_msg_deactivate_req_uv msg;
/*
* ??? Is it a good idea to make this conditional on what is
* ??? potentially stale state information?
*/
if (part->sn.uv.remote_act_state != XPC_P_AS_DEACTIVATING &&
part->sn.uv.remote_act_state != XPC_P_AS_INACTIVE) {
msg.reason = part->reason;
xpc_send_activate_IRQ_part_uv(part, &msg, sizeof(msg),
XPC_ACTIVATE_MQ_MSG_DEACTIVATE_REQ_UV);
}
}
static enum xp_retval
xpc_make_first_contact_uv(struct xpc_partition *part)
{
struct xpc_activate_mq_msg_uv msg;
xpc_send_activate_IRQ_part_uv(part, &msg, sizeof(msg),
XPC_ACTIVATE_MQ_MSG_SYNC_ACT_STATE_UV);
while (part->sn.uv.remote_act_state != XPC_P_AS_ACTIVATING) {
dev_dbg(xpc_part, "waiting to make first contact with "
"partition %d\n", XPC_PARTID(part));
(void)msleep_interruptible(250);
if (part->act_state == XPC_P_AS_DEACTIVATING)
return part->reason;
}
return xpSuccess;
}
