s3ip sysfs framework and demo

platform/s3ip-sysfs/Makefile

@@ -0,0 +1,46 @@
+PWD		= $(shell pwd)
+SYSFS_OUT_PUT := $(PWD)/build
+sysfs_out_put_dir := $(SYSFS_OUT_PUT)/S3IP_sysfs/
+export sysfs_out_put_dir
+KERNEL_SRC=/lib/modules/$(shell uname -r)
+export KERNEL_SRC
+
+SYSFS_DRIVER_DIR = $(PWD)/s3ip_sysfs_frame
+SWITCH_DRIVER_DIR = $(PWD)/demo_driver
+
+KBUILD_EXTRA_SYMBOLS += $(SYSFS_DRIVER_DIR)/Module.symvers
+KBUILD_EXTRA_SYMBOLS += $(SWITCH_DRIVER_DIR)/Module.symvers
+export KBUILD_EXTRA_SYMBOLS
+
+all :
+	$(MAKE) -C $(SYSFS_DRIVER_DIR)
+	$(MAKE) -C $(SWITCH_DRIVER_DIR)
+
+clean :
+	-rm  -rf $(SYSFS_OUT_PUT)
+	$(MAKE) -C $(SYSFS_DRIVER_DIR) clean
+	$(MAKE) -C $(SWITCH_DRIVER_DIR) clean
+
+
+
+install: 
+	install -d $(DESTDIR)/lib/modules/s3ip/
+	install -D $(sysfs_out_put_dir)/*.ko \
+		$(DESTDIR)/lib/modules/s3ip/
+	install -D scripts/s3ip_load.py \
+		$(DESTDIR)/$(prefix)/bin/s3ip_load.py
+	install -D scripts/s3ip_sysfs_conf.json \
+		$(DESTDIR)/etc/s3ip/s3ip_sysfs_conf.json
+	install -D scripts/s3ip_sysfs_tool.sh \
+		$(DESTDIR)/$(prefix)/bin/s3ip_sysfs_tool.sh
+	install -D scripts/s3ip-sysfs.service \
+		$(DESTDIR)/etc/systemd/system/s3ip-sysfs.service
+
+
+uninstall:
+	-rm -f $(DESTDIR)$(prefix)/bin/s3ip_load.py
+	-rm -f $(DESTDIR)/lib/modules/s3ip/
+	-rm -f $(DESTDIR)/etc/s3ip
+	-rm -f $(DESTDIR)/$(prefix)/bin/s3ip_sysfs_tool.sh
+	-rm -f $(DESTDIR)/etc/systemd/system/s3ip-sysfs.service
+

platform/s3ip-sysfs/build.sh

@@ -0,0 +1,3 @@
+#! /bin/bash
+
+dpkg-buildpackage -rfakeroot -b -us -uc

platform/s3ip-sysfs/debian/README.Debian

@@ -0,0 +1,8 @@
+s3ip-sysfs for Debian
+
+Please edit this to provide information specific to 
+this libkbc Debian package.
+
+    (Automatically generated by debmake Version 4.2.9)
+
+ -- ubuntu <ubuntu@localhost>  Mon, 07 Sep 2020 20:06:06 +0800

platform/s3ip-sysfs/debian/changelog

@@ -0,0 +1,6 @@
+s3ip-sysfs (1.0.0) unstable; urgency=medium
+
+  * Initial release.
+
+ -- shangfei tian <timsftian@tencent.com>  Wed, 09 Sep 2021 12:00:00 -0800
+

platform/s3ip-sysfs/debian/compat

@@ -0,0 +1 @@
+9

platform/s3ip-sysfs/debian/control

@@ -0,0 +1,14 @@
+Source: s3ip-sysfs
+Maintainer: timsftian <timsftian@tencent.com>
+Section: libs
+Priority: optional
+Build-Depends: dh-exec (>=0.3),debhelper (>= 8.0.0), autotools-dev
+Standards-Version: 3.9.3
+Homepage: https://tencent.com
+
+Package: s3ip-sysfs
+Architecture: any
+Section: libdevel
+Depends: ${misc:Depends} 
+Description: This package contains development files for s3ip sysfs
+

platform/s3ip-sysfs/debian/copyright

@@ -0,0 +1,13 @@
+Format: http://www.debian.org/doc/packaging-manuals/copyright-format/1.0/
+Upstream-Name: s3ip-sysfs
+Source: <url://example.com>
+#
+# Please double check copyright with the licensecheck(1) command.
+
+Files:     Makefile
+Copyright: __NO_COPYRIGHT_NOR_LICENSE__
+License:   __NO_COPYRIGHT_NOR_LICENSE__
+
+#----------------------------------------------------------------------------
+# Files marked as NO_LICENSE_TEXT_FOUND may be covered by the following
+# license/copyright files.

platform/s3ip-sysfs/debian/files

@@ -0,0 +1,2 @@
+s3ip-sysfs_1.0.0_amd64.buildinfo libs optional
+s3ip-sysfs_1.0.0_amd64.deb libdevel optional

platform/s3ip-sysfs/debian/rules

@@ -0,0 +1,17 @@
+#!/usr/bin/make -f
+# You must remove unused comment lines for the released package.
+#export DH_VERBOSE = 1
+
+#export DEB_BUILD_MAINT_OPTIONS = hardening=+all
+#export DEB_CFLAGS_MAINT_APPEND  = -Wall -pedantic
+#export DEB_LDFLAGS_MAINT_APPEND = -Wl,--as-needed
+
+%:
+	dh $@  
+
+override_dh_auto_install:
+	dh_auto_install -- prefix=/usr
+
+override_dh_shlibdeps:
+
+override_dh_installmodules:

platform/s3ip-sysfs/debian/s3ip-sysfs.postinst

@@ -0,0 +1,3 @@
+systemctl daemon-reload
+systemctl start s3ip-sysfs
+systemctl enable s3ip-sysfs

platform/s3ip-sysfs/debian/s3ip-sysfs.prerm

@@ -0,0 +1,2 @@
+systemctl stop s3ip-sysfs
+systemctl disable s3ip-sysfs

platform/s3ip-sysfs/debian/s3ip-sysfs.substvars

@@ -0,0 +1,2 @@
+misc:Depends=
+misc:Pre-Depends=

platform/s3ip-sysfs/debian/watch

@@ -0,0 +1,2 @@
+# You must remove unused comment lines for the released package.
+#version=3

platform/s3ip-sysfs/demo_driver/Makefile

@@ -0,0 +1,33 @@
+PWD		= $(shell pwd)
+
+MAKEFILE_FILE_PATH = $(abspath $(lastword $(MAKEFILE_LIST)))
+DEV_SYSFS_HEADER_DIR = $(abspath $(MAKEFILE_FILE_PATH)/../../s3ip_sysfs_frame/include)
+SWITCH_DVR_HEADER_DIR = $(abspath $(MAKEFILE_FILE_PATH)/../../s3ip_sysfs_frame/include)
+EXTRA_CFLAGS:= -I$(M)/include
+EXTRA_CFLAGS+= -I$(DEV_SYSFS_HEADER_DIR)
+EXTRA_CFLAGS+= -I$(SWITCH_DVR_HEADER_DIR)
+EXTRA_CFLAGS+= -Wall
+
+obj-m := syseeprom_device_driver.o
+obj-m += fan_device_driver.o
+obj-m += cpld_device_driver.o
+obj-m += sysled_device_driver.o
+obj-m += slot_device_driver.o
+obj-m += psu_device_driver.o
+obj-m += transceiver_device_driver.o
+obj-m += temp_sensor_device_driver.o
+obj-m += vol_sensor_device_driver.o
+obj-m += curr_sensor_device_driver.o
+obj-m += fpga_device_driver.o
+obj-m += watchdog_device_driver.o
+
+
+all:
+	$(MAKE) -C $(KERNEL_SRC)/build M=$(PWD) modules
+	@if [ ! -d $(sysfs_out_put_dir) ]; then mkdir -p $(sysfs_out_put_dir) ;fi
+	cp -p  $(PWD)/*.ko $(sysfs_out_put_dir)
+clean:
+	rm -f $(PWD)/*.o $(PWD)/*.ko $(PWD)/*.mod.c $(PWD)/.*.cmd 
+	rm -f $(PWD)/Module.markers $(PWD)/Module.symvers $(PWD)/modules.order 
+	rm -rf $(PWD)/.tmp_versions
+	rm -rf $(PWD)/.cache.mk

platform/s3ip-sysfs/demo_driver/cpld_device_driver.c

@@ -0,0 +1,168 @@
+/*
+ * cpld_device_driver.c
+ *
+ * This module realize /sys/s3ip/cpld attributes read and write functions
+ *
+ * History
+ *  [Version]                [Date]                    [Description]
+ *   *  v1.0                2021-08-31                  S3IP sysfs
+ */
+
+#include <linux/slab.h>
+
+#include "device_driver_common.h"
+#include "cpld_sysfs.h"
+
+#define CPLD_INFO(fmt, args...) LOG_INFO("cpld: ", fmt, ##args)
+#define CPLD_ERR(fmt, args...)  LOG_ERR("cpld: ", fmt, ##args)
+#define CPLD_DBG(fmt, args...)  LOG_DBG("cpld: ", fmt, ##args)
+
+static int g_loglevel = 0;
+
+/******************************************CPLD***********************************************/
+static int demo_get_main_board_cpld_number(void)
+{
+    /* add vendor codes here */
+    return 1;
+}
+
+/*
+ * demo_get_main_board_cpld_alias - Used to identify the location of cpld,
+ * @cpld_index: start with 1
+ * @buf: Data receiving buffer
+ * @count: length of buf
+ *
+ * This function returns the length of the filled buffer,
+ * if not support this attributes filled "NA" to buf,
+ * otherwise it returns a negative value on failed.
+ */
+static ssize_t demo_get_main_board_cpld_alias(unsigned int cpld_index, char *buf, size_t count)
+{
+    /* add vendor codes here */
+    return -ENOSYS;
+}
+
+/*
+ * demo_get_main_board_cpld_type - Used to get cpld model name
+ * @cpld_index: start with 1
+ * @buf: Data receiving buffer
+ * @count: length of buf
+ *
+ * This function returns the length of the filled buffer,
+ * if not support this attributes filled "NA" to buf,
+ * otherwise it returns a negative value on failed.
+ */
+static ssize_t demo_get_main_board_cpld_type(unsigned int cpld_index, char *buf, size_t count)
+{
+    /* add vendor codes here */
+    return -ENOSYS;
+}
+
+/*
+ * demo_get_main_board_cpld_firmware_version - Used to get cpld firmware version,
+ * @cpld_index: start with 1
+ * @buf: Data receiving buffer
+ * @count: length of buf
+ *
+ * This function returns the length of the filled buffer,
+ * if not support this attributes filled "NA" to buf,
+ * otherwise it returns a negative value on failed.
+ */
+static ssize_t demo_get_main_board_cpld_firmware_version(unsigned int cpld_index, char *buf, size_t count)
+{
+    /* add vendor codes here */
+    return -ENOSYS;
+}
+
+/*
+ * demo_get_main_board_cpld_board_version - Used to get cpld board version,
+ * @cpld_index: start with 1
+ * @buf: Data receiving buffer
+ * @count: length of buf
+ *
+ * This function returns the length of the filled buffer,
+ * if not support this attributes filled "NA" to buf,
+ * otherwise it returns a negative value on failed.
+ */
+static ssize_t demo_get_main_board_cpld_board_version(unsigned int cpld_index, char *buf, size_t count)
+{
+    /* add vendor codes here */
+    return -ENOSYS;
+}
+
+/*
+ * demo_get_main_board_cpld_test_reg - Used to test cpld register read
+ * filled the value to buf, value is hexadecimal, start with 0x
+ * @cpld_index: start with 1
+ * @buf: Data receiving buffer
+ * @count: length of buf
+ *
+ * This function returns the length of the filled buffer,
+ * if not support this attributes filled "NA" to buf,
+ * otherwise it returns a negative value on failed.
+ */
+static ssize_t demo_get_main_board_cpld_test_reg(unsigned int cpld_index, char *buf, size_t count)
+{
+    /* add vendor codes here */
+    return -ENOSYS;
+}
+
+/*
+ * demo_set_main_board_cpld_test_reg - Used to test cpld register write
+ * @cpld_index: start with 1
+ * @value: value write to cpld
+ *
+ * This function returns 0 on success,
+ * otherwise it returns a negative value on failed.
+ */
+static int demo_set_main_board_cpld_test_reg(unsigned int cpld_index, unsigned int value)
+{
+    /* add vendor codes here */
+    return -ENOSYS;
+}
+/***************************************end of CPLD*******************************************/
+
+static struct s3ip_sysfs_cpld_drivers_s drivers = {
+    /*
+     * set ODM CPLD drivers to /sys/s3ip/cpld,
+     * if not support the function, set corresponding hook to NULL.
+     */
+    .get_main_board_cpld_number = demo_get_main_board_cpld_number,
+    .get_main_board_cpld_alias = demo_get_main_board_cpld_alias,
+    .get_main_board_cpld_type = demo_get_main_board_cpld_type,
+    .get_main_board_cpld_firmware_version = demo_get_main_board_cpld_firmware_version,
+    .get_main_board_cpld_board_version = demo_get_main_board_cpld_board_version,
+    .get_main_board_cpld_test_reg = demo_get_main_board_cpld_test_reg,
+    .set_main_board_cpld_test_reg = demo_set_main_board_cpld_test_reg,
+};
+
+static int __init cpld_device_driver_init(void)
+{
+    int ret;
+
+    CPLD_INFO("cpld_init...\n");
+
+    ret = s3ip_sysfs_cpld_drivers_register(&drivers);
+    if (ret < 0) {
+        CPLD_ERR("cpld drivers register err, ret %d.\n", ret);
+        return ret;
+    }
+
+    CPLD_INFO("cpld_init success.\n");
+    return 0;
+}
+
+static void __exit cpld_device_driver_exit(void)
+{
+    s3ip_sysfs_cpld_drivers_unregister();
+    CPLD_INFO("cpld_exit success.\n");
+    return;
+}
+
+module_init(cpld_device_driver_init);
+module_exit(cpld_device_driver_exit);
+module_param(g_loglevel, int, 0644);
+MODULE_PARM_DESC(g_loglevel, "the log level(info=0x1, err=0x2, dbg=0x4, all=0xf).\n");
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("sonic S3IP sysfs");
+MODULE_DESCRIPTION("cpld device driver");