Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

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__ */