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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/drivers/misc/ibmasm/r_heartbeat.c | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
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Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/drivers/misc/ibmasm/r_heartbeat.c')
-rw-r--r-- | ANDROID_3.4.5/drivers/misc/ibmasm/r_heartbeat.c | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/ANDROID_3.4.5/drivers/misc/ibmasm/r_heartbeat.c b/ANDROID_3.4.5/drivers/misc/ibmasm/r_heartbeat.c deleted file mode 100644 index 232034f5..00000000 --- a/ANDROID_3.4.5/drivers/misc/ibmasm/r_heartbeat.c +++ /dev/null @@ -1,99 +0,0 @@ - -/* - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * Copyright (C) IBM Corporation, 2004 - * - * Author: Max Asböck <amax@us.ibm.com> - * - */ - -#include <linux/sched.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); -} |