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Diffstat (limited to 'drivers/misc/ibmasm/dot_command.h')
-rw-r--r--drivers/misc/ibmasm/dot_command.h78
1 files changed, 78 insertions, 0 deletions
diff --git a/drivers/misc/ibmasm/dot_command.h b/drivers/misc/ibmasm/dot_command.h
new file mode 100644
index 000000000..fc9fc9d4e
--- /dev/null
+++ b/drivers/misc/ibmasm/dot_command.h
@@ -0,0 +1,78 @@
+/*
+ * IBM ASM Service Processor Device Driver
+ *
+ * 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>
+ *
+ */
+
+#ifndef __DOT_COMMAND_H__
+#define __DOT_COMMAND_H__
+
+/*
+ * dot commands are the protocol used to communicate with the service
+ * processor.
+ * They consist of header, a command of variable length and data of
+ * variable length.
+ */
+
+/* dot command types */
+#define sp_write 0
+#define sp_write_next 1
+#define sp_read 2
+#define sp_read_next 3
+#define sp_command_response 4
+#define sp_event 5
+#define sp_heartbeat 6
+
+#pragma pack(1)
+struct dot_command_header {
+ u8 type;
+ u8 command_size;
+ u16 data_size;
+ u8 status;
+ u8 reserved;
+};
+#pragma pack()
+
+static inline size_t get_dot_command_size(void *buffer)
+{
+ struct dot_command_header *cmd = (struct dot_command_header *)buffer;
+ return sizeof(struct dot_command_header) + cmd->command_size + cmd->data_size;
+}
+
+static inline unsigned int get_dot_command_timeout(void *buffer)
+{
+ struct dot_command_header *header = (struct dot_command_header *)buffer;
+ unsigned char *cmd = buffer + sizeof(struct dot_command_header);
+
+ /* dot commands 6.3.1, 7.1 and 8.x need a longer timeout */
+
+ if (header->command_size == 3) {
+ if ((cmd[0] == 6) && (cmd[1] == 3) && (cmd[2] == 1))
+ return IBMASM_CMD_TIMEOUT_EXTRA;
+ } else if (header->command_size == 2) {
+ if ((cmd[0] == 7) && (cmd[1] == 1))
+ return IBMASM_CMD_TIMEOUT_EXTRA;
+ if (cmd[0] == 8)
+ return IBMASM_CMD_TIMEOUT_EXTRA;
+ }
+ return IBMASM_CMD_TIMEOUT_NORMAL;
+}
+
+#endif /* __DOT_COMMAND_H__ */