linux-kernel - [PATCH 3/8] platform/x86/intel/sdsi: Add header file

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Message-Id: <20240201010747.471141-4-david.e.box@linux.intel.com>
Date: Wed, 31 Jan 2024 17:07:42 -0800
From: "David E. Box" <david.e.box@...ux.intel.com>
To: netdev@...r.kernel.org,
	ilpo.jarvinen@...ux.intel.com,
	david.e.box@...ux.intel.com,
	sathyanarayanan.kuppuswamy@...ux.intel.com
Cc: linux-kernel@...r.kernel.org,
	platform-driver-x86@...r.kernel.org
Subject: [PATCH 3/8] platform/x86/intel/sdsi: Add header file

In preparation for new source files, move common structures to a new
header flie.

Signed-off-by: David E. Box <david.e.box@...ux.intel.com>
---
 MAINTAINERS                       |  1 +
 drivers/platform/x86/intel/sdsi.c | 23 +----------------------
 drivers/platform/x86/intel/sdsi.h | 31 +++++++++++++++++++++++++++++++
 3 files changed, 33 insertions(+), 22 deletions(-)
 create mode 100644 drivers/platform/x86/intel/sdsi.h

diff --git a/MAINTAINERS b/MAINTAINERS
index 8d1052fa6a69..09ef8497e48a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -11042,6 +11042,7 @@ INTEL SDSI DRIVER
 M:	David E. Box <david.e.box@...ux.intel.com>
 S:	Supported
 F:	drivers/platform/x86/intel/sdsi.c
+F:	drivers/platform/x86/intel/sdsi.h
 F:	tools/arch/x86/intel_sdsi/
 F:	tools/testing/selftests/drivers/sdsi/
 
diff --git a/drivers/platform/x86/intel/sdsi.c b/drivers/platform/x86/intel/sdsi.c
index 05a35f2f85b6..d48bb648f0b2 100644
--- a/drivers/platform/x86/intel/sdsi.c
+++ b/drivers/platform/x86/intel/sdsi.c
@@ -22,24 +22,16 @@
 #include <linux/types.h>
 #include <linux/uaccess.h>
 
+#include "sdsi.h"
 #include "vsec.h"
 
 #define ACCESS_TYPE_BARID		2
 #define ACCESS_TYPE_LOCAL		3
 
 #define SDSI_MIN_SIZE_DWORDS		276
-#define SDSI_SIZE_MAILBOX		1024
 #define SDSI_SIZE_REGS			80
 #define SDSI_SIZE_CMD			sizeof(u64)
 
-/*
- * Write messages are currently up to the size of the mailbox
- * while read messages are up to 4 times the size of the
- * mailbox, sent in packets
- */
-#define SDSI_SIZE_WRITE_MSG		SDSI_SIZE_MAILBOX
-#define SDSI_SIZE_READ_MSG		(SDSI_SIZE_MAILBOX * 4)
-
 #define SDSI_ENABLED_FEATURES_OFFSET	16
 #define SDSI_FEATURE_SDSI		BIT(3)
 #define SDSI_FEATURE_METERING		BIT(26)
@@ -103,19 +95,6 @@ struct disc_table {
 	u32	offset;
 };
 
-struct sdsi_priv {
-	struct mutex		mb_lock;	/* Mailbox access lock */
-	struct device		*dev;
-	void __iomem		*control_addr;
-	void __iomem		*mbox_addr;
-	void __iomem		*regs_addr;
-	int			control_size;
-	int			maibox_size;
-	int			registers_size;
-	u32			guid;
-	u32			features;
-};
-
 /* SDSi mailbox operations must be performed using 64bit mov instructions */
 static __always_inline void
 sdsi_memcpy64_toio(u64 __iomem *to, const u64 *from, size_t count_bytes)
diff --git a/drivers/platform/x86/intel/sdsi.h b/drivers/platform/x86/intel/sdsi.h
new file mode 100644
index 000000000000..d0d7450c7b2b
--- /dev/null
+++ b/drivers/platform/x86/intel/sdsi.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __PDx86_SDSI_H_
+#define __PDx86_SDSI_H_
+#include <linux/mutex.h>
+#include <linux/types.h>
+
+#define SDSI_SIZE_MAILBOX		1024
+
+/*
+ * Write messages are currently up to the size of the mailbox
+ * while read messages are up to 4 times the size of the
+ * mailbox, sent in packets
+ */
+#define SDSI_SIZE_WRITE_MSG		SDSI_SIZE_MAILBOX
+#define SDSI_SIZE_READ_MSG		(SDSI_SIZE_MAILBOX * 4)
+
+struct device;
+
+struct sdsi_priv {
+	struct mutex			mb_lock;	/* Mailbox access lock */
+	struct device			*dev;
+	void __iomem			*control_addr;
+	void __iomem			*mbox_addr;
+	void __iomem			*regs_addr;
+	int				control_size;
+	int				maibox_size;
+	int				registers_size;
+	u32				guid;
+	u32				features;
+};
+#endif
-- 
2.34.1