1 files changed, 109 insertions, 0 deletions
diff --git a/systemintfcmds.cpp b/systemintfcmds.cpp
new file mode 100644
index 0000000..d920f95
--- /dev/null
+++ b/systemintfcmds.cpp
@@ -0,0 +1,109 @@
+#include "systemintfcmds.h"
+#include "host-ipmid/ipmid-api.h"
+
+#include <stdio.h>
+
+void register_netfn_app_functions() __attribute__((constructor));
+
+//-------------------------------------------------------------------
+// Called by Host post response from Get_Message_Flags
+//-------------------------------------------------------------------
+ipmi_ret_t ipmi_app_read_event(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)
+{
+    ipmi_ret_t rc = IPMI_CC_OK;
+    printf("IPMI APP READ EVENT command received\n");
+
+    // TODO : For now, this is catering only to the Soft Power Off via OEM SEL
+    //        mechanism. If we need to make this generically used for some
+    //        other conditions, then we can take advantage of context pointer.
+
+    struct oem_sel_timestamped soft_off = {0};
+    *data_len = sizeof(struct oem_sel_timestamped);
+
+    // either id[0] -or- id[1] can be filled in. We will use id[0]
+    soft_off.id[0]   = SEL_OEM_ID_0;
+    soft_off.id[1]   = SEL_OEM_ID_0;
+    soft_off.type    = SEL_RECORD_TYPE_OEM;
+
+    // Following 3 bytes are from IANA Manufactre_Id field. See below
+    soft_off.manuf_id[0]= 0x41;
+    soft_off.manuf_id[1]= 0xA7;
+    soft_off.manuf_id[2]= 0x00;
+
+    // per IPMI spec NetFuntion for OEM
+    soft_off.netfun  = 0x3A;
+
+    // Mechanism to kick start soft shutdown.
+    soft_off.cmd     = CMD_POWER;
+    soft_off.data[0] = SOFT_OFF;
+
+    // All '0xFF' since unused.
+    memset(&soft_off.data[1], 0xFF, 3);
+
+    // Pack the actual response
+    memcpy(response, &soft_off, *data_len);
+    return rc;
+}
+
+//---------------------------------------------------------------------
+// Called by Host on seeing a SMS_ATN bit set. Return a hardcoded
+// value of 0x2 indicating we need Host read some data.
+//-------------------------------------------------------------------
+ipmi_ret_t ipmi_app_get_msg_flags(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)
+{
+    // Generic return from IPMI commands.
+    ipmi_ret_t rc = IPMI_CC_OK;
+
+    printf("IPMI APP GET MSG FLAGS returning with [bit:2] set\n");
+
+    // From IPMI spec V2.0 for Get Message Flags Command :
+    // bit:[1] from LSB : 1b = Event Message Buffer Full.
+    // Return as 0 if Event Message Buffer is not supported,
+    // or when the Event Message buffer is disabled.
+    // TODO. For now. assume its not disabled and send "0x2" anyway:
+
+    uint8_t set_event_msg_buffer_full = 0x2;
+    *data_len = sizeof(set_event_msg_buffer_full);
+
+    // Pack the actual response
+    memcpy(response, &set_event_msg_buffer_full, *data_len);
+
+    return rc;
+}
+
+ipmi_ret_t ipmi_app_set_bmc_global_enables(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)
+{
+    ipmi_ret_t rc = IPMI_CC_OK;
+    *data_len = 0;
+
+    // Event and message logging enabled by default so return for now
+    printf("IPMI APP SET BMC GLOBAL ENABLES Ignoring for now\n");
+
+    return rc;
+}
+
+void register_netfn_app_functions()
+{
+
+    // <Read Event Message Buffer>
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP, IPMI_CMD_READ_EVENT);
+    ipmi_register_callback(NETFUN_APP, IPMI_CMD_READ_EVENT, NULL, ipmi_app_read_event);
+
+    // <Set BMC Global Enables>
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP,
+                                            IPMI_CMD_SET_BMC_GLOBAL_ENABLES);
+    ipmi_register_callback(NETFUN_APP, IPMI_CMD_SET_BMC_GLOBAL_ENABLES, NULL,
+                           ipmi_app_set_bmc_global_enables);
+
+    // <Get Message Flags>
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP, IPMI_CMD_GET_MSG_FLAGS);
+    ipmi_register_callback(NETFUN_APP, IPMI_CMD_GET_MSG_FLAGS, NULL, ipmi_app_get_msg_flags);
+
+    return;
+}