Re: [v3 03/11] platform/x86/amd/hsmp: Move structure and macros to header file

["Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>]

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On Sat, 20 Jul 2024, Suma Hegde wrote:

> This is in preparation to splitting ACPI and platform device drivers.
> No logical change, move common structures and macros to hsmp.h
> 
> Signed-off-by: Suma Hegde <suma.hegde@amd.com>
> Reviewed-by: Naveen Krishna Chatradhi <naveenkrishna.chatradhi@amd.com>
> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
> ---
> Changes since v2:
> None
> Changes since v1:
> 1. Correct typo mistake in commit message
> 2. Add "Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>"
> 3. Arrange header files in alphabetical order for hsmp.h
> 
>  drivers/platform/x86/amd/hsmp/hsmp.c | 42 ++--------------------
>  drivers/platform/x86/amd/hsmp/hsmp.h | 54 ++++++++++++++++++++++++++++
>  2 files changed, 56 insertions(+), 40 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 10ab9b2437f1..2c9ba51b9614 100644
> --- a/drivers/platform/x86/amd/hsmp/hsmp.c
> +++ b/drivers/platform/x86/amd/hsmp/hsmp.c
> @@ -9,15 +9,14 @@
>  
>  #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
>  
> +#include "hsmp.h"
> +
>  #include <asm/amd_hsmp.h>
>  #include <asm/amd_nb.h>
>  #include <linux/delay.h>
> -#include <linux/io.h>
> -#include <linux/miscdevice.h>
>  #include <linux/module.h>
>  #include <linux/pci.h>
>  #include <linux/platform_device.h>
> -#include <linux/semaphore.h>
>  #include <linux/acpi.h>
>  
>  #define DRIVER_NAME		"amd_hsmp"
> @@ -51,48 +50,11 @@
>  #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;
> -};
> -
> -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..5afc7167fac1
> --- /dev/null
> +++ b/drivers/platform/x86/amd/hsmp/hsmp.h
> @@ -0,0 +1,54 @@
> +/* 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/io.h>
> +#include <linux/miscdevice.h>
> +#include <linux/semaphore.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;

This requires #include <linux/sysfs.h>

-- 
 i.

> +	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;
> +};
> +
> +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 */
>