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Patrick Venture0b02be92018-08-31 11:55:55 -07001#include "read_fru_data.hpp"
2
3#include "fruread.hpp"
4#include "types.hpp"
5#include "utils.hpp"
6
Patrick Venture46470a32018-09-07 19:26:25 -07007#include <host-ipmid/ipmid-api.h>
8
Patrick Ventureb0431c72018-10-22 14:57:36 -07009#include <algorithm>
Marri Devender Rao0acf0572017-07-03 12:25:47 -050010#include <map>
11#include <phosphor-logging/elog-errors.hpp>
William A. Kennington III4c008022018-10-12 17:18:14 -070012#include <sdbusplus/message/types.hpp>
Patrick Venture0b02be92018-08-31 11:55:55 -070013#include <xyz/openbmc_project/Common/error.hpp>
14
Marri Devender Rao0acf0572017-07-03 12:25:47 -050015extern const FruMap frus;
Marri Devender Rao0acf0572017-07-03 12:25:47 -050016namespace ipmi
17{
18namespace fru
19{
William A. Kennington III4c008022018-10-12 17:18:14 -070020
21namespace variant_ns = sdbusplus::message::variant_ns;
22
Marri Devender Rao0acf0572017-07-03 12:25:47 -050023using namespace phosphor::logging;
24using InternalFailure =
Patrick Venture0b02be92018-08-31 11:55:55 -070025 sdbusplus::xyz::openbmc_project::Common::Error::InternalFailure;
Marri Devender Rao908f7502017-07-10 01:49:54 -050026std::unique_ptr<sdbusplus::bus::match_t> matchPtr(nullptr);
Marri Devender Rao0acf0572017-07-03 12:25:47 -050027
Patrick Venture0b02be92018-08-31 11:55:55 -070028static constexpr auto INV_INTF = "xyz.openbmc_project.Inventory.Manager";
29static constexpr auto OBJ_PATH = "/xyz/openbmc_project/inventory";
Marri Devender Rao0acf0572017-07-03 12:25:47 -050030static constexpr auto PROP_INTF = "org.freedesktop.DBus.Properties";
31
32namespace cache
33{
Patrick Venture0b02be92018-08-31 11:55:55 -070034// User initiate read FRU info area command followed by
35// FRU read command. Also data is read in small chunks of
36// the specified offset and count.
37// Caching the data which will be invalidated when ever there
38// is a change in FRU properties.
39FRUAreaMap fruMap;
40} // namespace cache
Marri Devender Rao0acf0572017-07-03 12:25:47 -050041/**
Marri Devender Rao18aae1f2017-07-26 00:33:26 -050042 * @brief Read all the property value's for the specified interface
43 * from Inventory.
Marri Devender Rao0acf0572017-07-03 12:25:47 -050044 *
Marri Devender Rao0acf0572017-07-03 12:25:47 -050045 * @param[in] intf Interface
Marri Devender Rao0acf0572017-07-03 12:25:47 -050046 * @param[in] path Object path
Marri Devender Rao18aae1f2017-07-26 00:33:26 -050047 * @return map of properties
Marri Devender Rao0acf0572017-07-03 12:25:47 -050048 */
Marri Devender Rao18aae1f2017-07-26 00:33:26 -050049ipmi::PropertyMap readAllProperties(const std::string& intf,
Patrick Venture0b02be92018-08-31 11:55:55 -070050 const std::string& path)
Marri Devender Rao0acf0572017-07-03 12:25:47 -050051{
Marri Devender Rao18aae1f2017-07-26 00:33:26 -050052 ipmi::PropertyMap properties;
Marri Devender Rao0acf0572017-07-03 12:25:47 -050053 sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
54 auto service = ipmi::getService(bus, INV_INTF, OBJ_PATH);
55 std::string objPath = OBJ_PATH + path;
Patrick Venture0b02be92018-08-31 11:55:55 -070056 auto method = bus.new_method_call(service.c_str(), objPath.c_str(),
57 PROP_INTF, "GetAll");
Marri Devender Rao18aae1f2017-07-26 00:33:26 -050058 method.append(intf);
Marri Devender Rao0acf0572017-07-03 12:25:47 -050059 auto reply = bus.call(method);
60 if (reply.is_method_error())
61 {
Patrick Venture0b02be92018-08-31 11:55:55 -070062 // If property is not found simply return empty value
Marri Devender Rao18aae1f2017-07-26 00:33:26 -050063 log<level::ERR>("Error in reading property values from inventory",
Joseph Reynolds510eb9c2018-05-30 11:51:28 -050064 entry("INTERFACE=%s", intf.c_str()),
65 entry("PATH=%s", objPath.c_str()));
Marri Devender Rao18aae1f2017-07-26 00:33:26 -050066 return properties;
Marri Devender Rao0acf0572017-07-03 12:25:47 -050067 }
Marri Devender Rao18aae1f2017-07-26 00:33:26 -050068 reply.read(properties);
69 return properties;
Marri Devender Rao0acf0572017-07-03 12:25:47 -050070}
71
Marri Devender Rao908f7502017-07-10 01:49:54 -050072void processFruPropChange(sdbusplus::message::message& msg)
73{
Patrick Venture0b02be92018-08-31 11:55:55 -070074 if (cache::fruMap.empty())
Marri Devender Rao908f7502017-07-10 01:49:54 -050075 {
76 return;
77 }
78 std::string path = msg.get_path();
Patrick Venture0b02be92018-08-31 11:55:55 -070079 // trim the object base path, if found at the beginning
Marri Devender Rao908f7502017-07-10 01:49:54 -050080 if (path.compare(0, strlen(OBJ_PATH), OBJ_PATH) == 0)
81 {
82 path.erase(0, strlen(OBJ_PATH));
83 }
84 for (auto& fru : frus)
85 {
Marri Devender Rao908f7502017-07-10 01:49:54 -050086 auto& instanceList = fru.second;
Patrick Ventureb0431c72018-10-22 14:57:36 -070087
88 auto found = std::find_if(
89 instanceList.begin(), instanceList.end(),
90 [&path](const auto& iter) { return (iter.path == path); });
91
92 if (found != instanceList.end())
Marri Devender Rao908f7502017-07-10 01:49:54 -050093 {
Patrick Venture4491a462018-10-13 13:00:42 -070094 auto& fruId = fru.first;
95
Marri Devender Rao908f7502017-07-10 01:49:54 -050096 cache::fruMap.erase(fruId);
97 break;
98 }
99 }
100}
101
Patrick Venture0b02be92018-08-31 11:55:55 -0700102// register for fru property change
Marri Devender Rao908f7502017-07-10 01:49:54 -0500103int registerCallbackHandler()
104{
Patrick Venture0b02be92018-08-31 11:55:55 -0700105 if (matchPtr == nullptr)
Marri Devender Rao908f7502017-07-10 01:49:54 -0500106 {
107 using namespace sdbusplus::bus::match::rules;
108 sdbusplus::bus::bus bus{ipmid_get_sd_bus_connection()};
109 matchPtr = std::make_unique<sdbusplus::bus::match_t>(
110 bus,
Patrick Venture0b02be92018-08-31 11:55:55 -0700111 path_namespace(OBJ_PATH) + type::signal() +
112 member("PropertiesChanged") + interface(PROP_INTF),
Marri Devender Rao908f7502017-07-10 01:49:54 -0500113 std::bind(processFruPropChange, std::placeholders::_1));
114 }
115 return 0;
116}
117
Marri Devender Rao0acf0572017-07-03 12:25:47 -0500118/**
119 * @brief Read FRU property values from Inventory
120 *
121 * @param[in] fruNum FRU id
122 * @return populate FRU Inventory data
123 */
124FruInventoryData readDataFromInventory(const FRUId& fruNum)
125{
126 auto iter = frus.find(fruNum);
127 if (iter == frus.end())
128 {
Patrick Venture0b02be92018-08-31 11:55:55 -0700129 log<level::ERR>("Unsupported FRU ID ", entry("FRUID=%d", fruNum));
Marri Devender Rao0acf0572017-07-03 12:25:47 -0500130 elog<InternalFailure>();
131 }
132
133 FruInventoryData data;
134 auto& instanceList = iter->second;
135 for (auto& instance : instanceList)
136 {
Ratan Gupta00330972018-01-19 16:23:10 +0530137 for (auto& intf : instance.interfaces)
Marri Devender Rao0acf0572017-07-03 12:25:47 -0500138 {
Patrick Venture0b02be92018-08-31 11:55:55 -0700139 ipmi::PropertyMap allProp =
140 readAllProperties(intf.first, instance.path);
Marri Devender Rao18aae1f2017-07-26 00:33:26 -0500141 for (auto& properties : intf.second)
Marri Devender Rao0acf0572017-07-03 12:25:47 -0500142 {
Marri Devender Rao18aae1f2017-07-26 00:33:26 -0500143 auto iter = allProp.find(properties.first);
144 if (iter != allProp.end())
145 {
Patrick Venture0b02be92018-08-31 11:55:55 -0700146 data[properties.second.section].emplace(
147 properties.first,
William A. Kennington III4c008022018-10-12 17:18:14 -0700148 std::move(variant_ns::get<std::string>(
149 allProp[properties.first])));
Marri Devender Rao18aae1f2017-07-26 00:33:26 -0500150 }
Marri Devender Rao0acf0572017-07-03 12:25:47 -0500151 }
152 }
153 }
154 return data;
155}
156
157const FruAreaData& getFruAreaData(const FRUId& fruNum)
158{
159 auto iter = cache::fruMap.find(fruNum);
160 if (iter != cache::fruMap.end())
161 {
162 return iter->second;
163 }
164 auto invData = readDataFromInventory(fruNum);
165
Patrick Venture0b02be92018-08-31 11:55:55 -0700166 // Build area info based on inventory data
Marri Devender Rao0acf0572017-07-03 12:25:47 -0500167 FruAreaData newdata = buildFruAreaData(std::move(invData));
168 cache::fruMap.emplace(fruNum, std::move(newdata));
169 return cache::fruMap.at(fruNum);
170}
Patrick Venture0b02be92018-08-31 11:55:55 -0700171} // namespace fru
172} // namespace ipmi