commit e66c3b042c0cd2d94059fa93298e0ba52c92b248
author Dhruvaraj Subhashchandran <dhruvaraj@in.ibm.com> Wed Feb 07 01:21:56 2018 -0600
committer Tom Joseph <tomjoseph@in.ibm.com> Fri Feb 16 02:23:54 2018 +0000
tree 1604de72d0f732f663107e09111de7abf3bec4cb
parent dd4cff135a6436793a13cdff62498a4cccc14320

Add Get Repository Info Command

Adding support for Get Repository Info command, which returns
information about the SDR repository.

resolves openbmc/openbmc#2614

Change-Id: Id1219de8021b5403a775ad6e8577dbc8edfc60cb
Signed-off-by: Dhruvaraj Subhashchandran <dhruvaraj@in.ibm.com>

storagehandler.cpp

diff --git a/storagehandler.cpp b/storagehandler.cpp
index 6ae2f91..59dfdde 100644
--- a/storagehandler.cpp
+++ b/storagehandler.cpp
@@ -11,6 +11,7 @@
 #include <phosphor-logging/elog-errors.hpp>
 #include <sdbusplus/server.hpp>
 
+#include "fruread.hpp"
 #include "host-ipmid/ipmid-api.h"
 #include "read_fru_data.hpp"
 #include "selutility.hpp"
@@ -24,6 +25,8 @@
 
 unsigned int   g_sel_time    = 0xFFFFFFFF;
 extern unsigned short g_sel_reserve;
+extern const ipmi::sensor::IdInfoMap sensors;
+extern const FruMap frus;
 
 namespace {
 constexpr auto TIME_INTERFACE = "xyz.openbmc_project.Time.EpochTime";
@@ -673,6 +676,29 @@
     return rc;
 }
 
+ipmi_ret_t ipmi_get_repository_info(ipmi_netfn_t netfn, ipmi_cmd_t cmd,
+                             ipmi_request_t request, ipmi_response_t response,
+                             ipmi_data_len_t data_len, ipmi_context_t context)
+{
+    constexpr auto sdrVersion = 0x51;
+    auto responseData =
+        reinterpret_cast<GetRepositoryInfoResponse*>(response);
+
+    memset(responseData, 0 , sizeof(GetRepositoryInfoResponse));
+
+    responseData->sdrVersion = sdrVersion;
+
+    uint16_t records = frus.size() + sensors.size();
+    responseData->recordCountMs = records >> 8;
+    responseData->recordCountLs = records;
+
+    responseData->freeSpace[0] = 0xFF;
+    responseData->freeSpace[1] = 0xFF;
+
+    *data_len = sizeof(GetRepositoryInfoResponse);
+
+    return IPMI_CC_OK;
+}
 
 void register_netfn_storage_functions()
 {
@@ -731,6 +757,11 @@
     ipmi_register_callback(NETFUN_STORAGE, IPMI_CMD_READ_FRU_DATA, NULL,
             ipmi_storage_read_fru_data, PRIVILEGE_OPERATOR);
 
+    // <Get Repository Info>
+    ipmi_register_callback(NETFUN_STORAGE, IPMI_CMD_GET_REPOSITORY_INFO,
+                           nullptr, ipmi_get_repository_info,
+                           PRIVILEGE_USER);
+
     ipmi::fru::registerCallbackHandler();
     return;
 }

storagehandler.h

diff --git a/storagehandler.h b/storagehandler.h
index a971f77..497db82 100644
--- a/storagehandler.h
+++ b/storagehandler.h
@@ -6,6 +6,7 @@
 {
     // Get capability bits
     IPMI_CMD_GET_FRU_INV_AREA_INFO  = 0x10,
+    IPMI_CMD_GET_REPOSITORY_INFO = 0x20,
     IPMI_CMD_READ_FRU_DATA  = 0x11,
     IPMI_CMD_GET_SEL_INFO   = 0x40,
     IPMI_CMD_RESERVE_SEL    = 0x42,
@@ -62,4 +63,17 @@
     uint8_t  access;    ///< 0b Devices is accessed by bytes, 1b - by words
 }__attribute__ ((packed));
 
+/**
+ * @struct Get Repository info command response
+ */
+struct GetRepositoryInfoResponse
+{
+    uint8_t sdrVersion;  //< SDR version
+    uint8_t recordCountLs; //< Record count LS byte
+    uint8_t recordCountMs; //< Record count MS bte
+    uint8_t freeSpace[2];  //< Free space in bytes, LS first
+    uint8_t additionTimestamp[4]; //< Most recent addition timestamp LS first
+    uint8_t deletionTimestamp[4]; //< Most recent deletion timestamp LS first
+    uint8_t operationSupport; //< Operation support
+}__attribute__ ((packed));
 #endif