This is in preparation to splitting ACPI and platform device drivers.
No logical change, move common structures, macros to hsmp.h,
add missed header files, remove unwanted header inclusions,
and re-order the header file in hsmp.c file.
Signed-off-by: Suma Hegde <suma.hegde@xxxxxxx>
Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@xxxxxxx>
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>
---
Changes since v4:
None
Changes since v3:
1. linux/sysfs.h, linux/device.h are included newly in hsmp.c file.
2. Header file inclusion order is changed in hsmp.c.
3. linux/compiler_types.h, linux/sysfs.h are newly included in hsmp.h.
4. io.h and device.h removed from hsmp.h.
5. commit description is changed to reflect the new changes.
Changes since v2:
None
Changes since v1:
1. Correct typo mistake in commit message
2. Add "Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@xxxxxxxxxxxxxxx>"
3. Arrange header files in alphabetical order for hsmp.h
drivers/platform/x86/amd/hsmp/hsmp.c | 47 +++-------------------
drivers/platform/x86/amd/hsmp/hsmp.h | 58 ++++++++++++++++++++++++++++
2 files changed, 64 insertions(+), 41 deletions(-)
create mode 100644 drivers/platform/x86/amd/hsmp/hsmp.h
diff --git a/drivers/platform/x86/amd/hsmp/hsmp.c b/drivers/platform/x86/amd/hsmp/hsmp.c
index 6d0c58c6a82f..9ed1fc0aeb00 100644
--- a/drivers/platform/x86/amd/hsmp/hsmp.c
+++ b/drivers/platform/x86/amd/hsmp/hsmp.c
@@ -11,14 +11,17 @@
#include <asm/amd_hsmp.h>
#include <asm/amd_nb.h>
+
+#include <linux/acpi.h>
#include <linux/delay.h>
-#include <linux/io.h>
-#include <linux/miscdevice.h>
+#include <linux/device.h>
#include <linux/module.h>
#include <linux/pci.h>
#include <linux/platform_device.h>
#include <linux/semaphore.h>
-#include <linux/acpi.h>
+#include <linux/sysfs.h>
+
+#include "hsmp.h"
#define DRIVER_NAME "amd_hsmp"
#define DRIVER_VERSION "2.2"
@@ -51,49 +54,11 @@
#define HSMP_INDEX_REG 0xc4
#define HSMP_DATA_REG 0xc8
-#define HSMP_CDEV_NAME "hsmp_cdev"
-#define HSMP_DEVNODE_NAME "hsmp"
-#define HSMP_METRICS_TABLE_NAME "metrics_bin"
-
-#define HSMP_ATTR_GRP_NAME_SIZE 10
-
/* These are the strings specified in ACPI table */
#define MSG_IDOFF_STR "MsgIdOffset"
#define MSG_ARGOFF_STR "MsgArgOffset"
#define MSG_RESPOFF_STR "MsgRspOffset"
-#define MAX_AMD_SOCKETS 8
-
-struct hsmp_mbaddr_info {
- u32 base_addr;
- u32 msg_id_off;
- u32 msg_resp_off;
- u32 msg_arg_off;
- u32 size;
-};
-
-struct hsmp_socket {
- struct bin_attribute hsmp_attr;
- struct hsmp_mbaddr_info mbinfo;
- void __iomem *metric_tbl_addr;
- void __iomem *virt_base_addr;
- struct semaphore hsmp_sem;
- char name[HSMP_ATTR_GRP_NAME_SIZE];
- struct pci_dev *root;
- struct device *dev;
- u16 sock_ind;
- int (*amd_hsmp_rdwr)(struct hsmp_socket *sock, u32 off, u32 *val, bool rw);
-};
-
-struct hsmp_plat_device {
- struct miscdevice hsmp_device;
- struct hsmp_socket *sock;
- u32 proto_ver;
- u16 num_sockets;
- bool is_acpi_device;
- bool is_probed;
-};
-
static struct hsmp_plat_device plat_dev;
static int amd_hsmp_pci_rdwr(struct hsmp_socket *sock, u32 offset,
diff --git a/drivers/platform/x86/amd/hsmp/hsmp.h b/drivers/platform/x86/amd/hsmp/hsmp.h
new file mode 100644
index 000000000000..d54b9681d514
--- /dev/null
+++ b/drivers/platform/x86/amd/hsmp/hsmp.h
@@ -0,0 +1,58 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * AMD HSMP Platform Driver
+ * Copyright (c) 2024, AMD.
+ * All Rights Reserved.
+ *
+ * Header file for HSMP driver
+ */
+
+#ifndef HSMP_H
+#define HSMP_H
+
+#include <linux/compiler_types.h>
+#include <linux/device.h>
+#include <linux/miscdevice.h>
+#include <linux/pci.h>
+#include <linux/semaphore.h>
+#include <linux/sysfs.h>
+
+#define HSMP_METRICS_TABLE_NAME "metrics_bin"
+
+#define HSMP_ATTR_GRP_NAME_SIZE 10
+
+#define MAX_AMD_SOCKETS 8
+
+#define HSMP_CDEV_NAME "hsmp_cdev"
+#define HSMP_DEVNODE_NAME "hsmp"
+
+struct hsmp_mbaddr_info {
+ u32 base_addr;
+ u32 msg_id_off;
+ u32 msg_resp_off;
+ u32 msg_arg_off;
+ u32 size;
+};
+
+struct hsmp_socket {
+ struct bin_attribute hsmp_attr;
+ struct hsmp_mbaddr_info mbinfo;
+ void __iomem *metric_tbl_addr;
+ void __iomem *virt_base_addr;
+ struct semaphore hsmp_sem;
+ char name[HSMP_ATTR_GRP_NAME_SIZE];
+ struct pci_dev *root;
+ struct device *dev;
+ u16 sock_ind;
+ int (*amd_hsmp_rdwr)(struct hsmp_socket *sock, u32 off, u32 *val, bool rw);
+};
+
+struct hsmp_plat_device {
+ struct miscdevice hsmp_device;
+ struct hsmp_socket *sock;
+ u32 proto_ver;
+ u16 num_sockets;
+ bool is_acpi_device;
+ bool is_probed;
+};
+#endif /* HSMP_H */
--
2.25.1
