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path: root/drivers/misc/ibmasm/r_heartbeat.c
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Diffstat (limited to 'drivers/misc/ibmasm/r_heartbeat.c')
-rw-r--r--drivers/misc/ibmasm/r_heartbeat.c86
1 files changed, 0 insertions, 86 deletions
diff --git a/drivers/misc/ibmasm/r_heartbeat.c b/drivers/misc/ibmasm/r_heartbeat.c
deleted file mode 100644
index 21c9b6a6f2c3..000000000000
--- a/drivers/misc/ibmasm/r_heartbeat.c
+++ /dev/null
@@ -1,86 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-/*
- *
- * Copyright (C) IBM Corporation, 2004
- *
- * Author: Max Asböck <amax@us.ibm.com>
- */
-
-#include <linux/sched/signal.h>
-#include "ibmasm.h"
-#include "dot_command.h"
-
-/*
- * Reverse Heartbeat, i.e. heartbeats sent from the driver to the
- * service processor.
- * These heartbeats are initiated by user level programs.
- */
-
-/* the reverse heartbeat dot command */
-#pragma pack(1)
-static struct {
- struct dot_command_header header;
- unsigned char command[3];
-} rhb_dot_cmd = {
- .header = {
- .type = sp_read,
- .command_size = 3,
- .data_size = 0,
- .status = 0
- },
- .command = { 4, 3, 6 }
-};
-#pragma pack()
-
-void ibmasm_init_reverse_heartbeat(struct service_processor *sp, struct reverse_heartbeat *rhb)
-{
- init_waitqueue_head(&rhb->wait);
- rhb->stopped = 0;
-}
-
-/*
- * start_reverse_heartbeat
- * Loop forever, sending a reverse heartbeat dot command to the service
- * processor, then sleeping. The loop comes to an end if the service
- * processor fails to respond 3 times or we were interrupted.
- */
-int ibmasm_start_reverse_heartbeat(struct service_processor *sp, struct reverse_heartbeat *rhb)
-{
- struct command *cmd;
- int times_failed = 0;
- int result = 1;
-
- cmd = ibmasm_new_command(sp, sizeof rhb_dot_cmd);
- if (!cmd)
- return -ENOMEM;
-
- while (times_failed < 3) {
- memcpy(cmd->buffer, (void *)&rhb_dot_cmd, sizeof rhb_dot_cmd);
- cmd->status = IBMASM_CMD_PENDING;
- ibmasm_exec_command(sp, cmd);
- ibmasm_wait_for_response(cmd, IBMASM_CMD_TIMEOUT_NORMAL);
-
- if (cmd->status != IBMASM_CMD_COMPLETE)
- times_failed++;
-
- wait_event_interruptible_timeout(rhb->wait,
- rhb->stopped,
- REVERSE_HEARTBEAT_TIMEOUT * HZ);
-
- if (signal_pending(current) || rhb->stopped) {
- result = -EINTR;
- break;
- }
- }
- command_put(cmd);
- rhb->stopped = 0;
-
- return result;
-}
-
-void ibmasm_stop_reverse_heartbeat(struct reverse_heartbeat *rhb)
-{
- rhb->stopped = 1;
- wake_up_interruptible(&rhb->wait);
-}