diff mbox

Bundle opal-prd.h from the kernel sources

Message ID 55F1F41D.2010504@canonical.com
State New
Headers show

Commit Message

Mathieu Trudel-Lapierre Sept. 10, 2015, 9:20 p.m. UTC 
Hi,

I'm attaching a patch we added to skiboot for building opal-prd without
requiring kernel headers to be available at build time.

This makes it possible to ship skiboot/opal-prd on releases before the
necessary kernel versions may be available.

Regards,
diff mbox

Patch

From 10a0c454498bd526074a9450eb126bb0c7194083 Mon Sep 17 00:00:00 2001
From: Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>
Date: Thu, 10 Sep 2015 17:15:40 -0400
Subject: [PATCH] asm: bundle opal-prd.h from kernel headers

Signed-off-by: Mathieu Trudel-Lapierre <mathieu.trudel-lapierre@canonical.com>
---
 asm/opal-prd.h | 58 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100644 asm/opal-prd.h

diff --git a/asm/opal-prd.h b/asm/opal-prd.h
new file mode 100644
index 0000000..319ff4a
--- /dev/null
+++ b/asm/opal-prd.h
@@ -0,0 +1,58 @@ 
+/*
+ * OPAL Runtime Diagnostics interface driver
+ * Supported on POWERNV platform
+ *
+ * (C) Copyright IBM 2015
+ *
+ * Author: Vaidyanathan Srinivasan <svaidy at linux.vnet.ibm.com>
+ * Author: Jeremy Kerr <jk@ozlabs.org>
+ *
+ * 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, 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.
+ */
+
+#ifndef _UAPI_ASM_POWERPC_OPAL_PRD_H_
+#define _UAPI_ASM_POWERPC_OPAL_PRD_H_
+
+#include <linux/types.h>
+
+/**
+ * The version of the kernel interface of the PRD system. This describes the
+ * interface available for the /dev/opal-prd device. The actual PRD message
+ * layout and content is private to the firmware <--> userspace interface, so
+ * is not covered by this versioning.
+ *
+ * Future interface versions are backwards-compatible; if a later kernel
+ * version is encountered, functionality provided in earlier versions
+ * will work.
+ */
+#define OPAL_PRD_KERNEL_VERSION		1
+
+#define OPAL_PRD_GET_INFO		_IOR('o', 0x01, struct opal_prd_info)
+#define OPAL_PRD_SCOM_READ		_IOR('o', 0x02, struct opal_prd_scom)
+#define OPAL_PRD_SCOM_WRITE		_IOW('o', 0x03, struct opal_prd_scom)
+
+#ifndef __ASSEMBLY__
+
+struct opal_prd_info {
+	__u64	version;
+	__u64	reserved[3];
+};
+
+struct opal_prd_scom {
+	__u64	chip;
+	__u64	addr;
+	__u64	data;
+	__s64	rc;
+};
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* _UAPI_ASM_POWERPC_OPAL_PRD_H */
-- 
2.5.0