Switch C++ source files to .cpp extension

Change-Id: I495186b4afd58ec1e5d9d5c6472394f96541d17d
Signed-off-by: Matthew Barth <msbarth@us.ibm.com>

1 files changed, 539 insertions, 0 deletions

diff --git a/apphandler.cpp b/apphandler.cpp
new file mode 100644
index 0000000..b8cc0aa
--- /dev/null
+++ b/apphandler.cpp
@@ -0,0 +1,539 @@
+#include "apphandler.h"
+#include "ipmid-api.h"
+#include "ipmid.H"
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <systemd/sd-bus.h>
+
+extern sd_bus *bus;
+
+void register_netfn_app_functions() __attribute__((constructor));
+
+#define DEVICE_FW1 2
+#define DEVICE_FW2 3
+#define DEVICE_AUX 11
+
+//---------------------------------------------------------------------
+// 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;
+}
+
+//-------------------------------------------------------------------
+// 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;
+}
+
+ipmi_ret_t ipmi_app_set_acpi_power_state(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;
+
+    printf("IPMI SET ACPI STATE Ignoring for now\n");
+    return rc;
+}
+
+
+typedef struct
+{
+    char major;
+    char minor;
+    uint16_t d[2];
+} rev_t;
+
+
+/* Currently only supports the vx.x-x-[-x] format Will return -1 if not in  */
+/* the format this routine knows how to parse                               */
+/* version = v0.6-19-gf363f61-dirty                                         */
+/*            ^ ^ ^^          ^                                             */
+/*            | |  |----------|-- additional details                        */
+/*            | |---------------- Minor                                     */
+/*            |------------------ Major                                     */
+/* Additional details : If the option group exists it will force Auxiliary  */
+/* Firmware Revision Information 4th byte to 1 indicating the build was     */
+/* derived with additional edits                                            */
+int convert_version(const char *p, rev_t *rev)
+{
+    char *s, *token;
+    char hexbyte[5];
+    int l;
+    uint16_t commits;
+
+    if (*p != 'v')
+        return -1;
+    p++;
+
+    s = strdup(p);
+    token = strtok(s,".-");
+
+    rev->major = (int8_t) atoi(token);
+
+    token = strtok(NULL, ".-");
+    rev->minor = (int8_t) atoi(token);
+
+    // Capture the number of commits on top of the minor tag.
+    // I'm using BE format like the ipmi spec asked for
+    token = strtok(NULL,".-");
+
+    if (token) {
+        commits = (int16_t) atoi(token);
+        rev->d[0] = (commits>>8) | (commits<<8);
+
+        // commit number we skip
+        token = strtok(NULL,".-");
+
+    } else {
+        rev->d[0] = 0;
+    }
+
+    // Any value of the optional parameter forces it to 1
+    if (token)
+        token = strtok(NULL,".-");
+
+    rev->d[1] = (token != NULL) ? 1 : 0;
+
+    free(s);
+    return 0;
+}
+
+ipmi_ret_t ipmi_app_get_device_id(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;
+    const char  *busname = "org.openbmc.Inventory";
+    const char  *objname = "/org/openbmc/inventory/system/chassis/motherboard/bmc";
+    const char  *iface   = "org.openbmc.InventoryItem";
+    char *ver = NULL;
+    int r;
+    rev_t rev = {0};
+
+    // TODO:
+    // This value is the IANA number assigned to "IBM Platform Firmware
+    // Division", which is also used by our service processor.  We may want
+    // a different number or at least a different version?
+    uint8_t dev_id[] = {0, 0, 0, 0, 2, 0xD, 0x41, 0xA7, 0x00, 0x43, 0x40, 0, 0, 0, 0};
+
+    // Data length
+    *data_len = sizeof(dev_id);
+
+    r = sd_bus_get_property_string(bus,busname,objname,iface,"version", NULL, &ver);
+    if ( r < 0 ) {
+        fprintf(stderr, "Failed to obtain version property: %s\n", strerror(-r));
+    } else {
+        r = convert_version(ver, &rev);
+        if( r >= 0 ) {
+            // bit7 identifies state of SDR repository, hence the mask
+            dev_id[DEVICE_FW1] |= 0x7F & rev.major;
+
+            rev.minor = (rev.minor > 99 ? 99 : rev.minor);
+            dev_id[DEVICE_FW2] = rev.minor % 10 + (rev.minor / 10) * 16;
+            memcpy(&dev_id[DEVICE_AUX], rev.d, 4);
+        }
+    }
+
+    // Pack the actual response
+    memcpy(response, &dev_id, *data_len);
+    return rc;
+}
+
+ipmi_ret_t ipmi_app_get_device_guid(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)
+{
+    const char  *busname = "org.openbmc.control.Chassis";
+    const char  *objname = "/org/openbmc/control/chassis0";
+    const char  *iface = "org.freedesktop.DBus.Properties";
+    const char  *chassis_iface = "org.openbmc.control.Chassis";
+    sd_bus_message *reply = NULL;
+    sd_bus_error error = SD_BUS_ERROR_NULL;
+    int r = 0;
+    char *uuid = NULL;
+
+    // UUID is in RFC4122 format. Ex: 61a39523-78f2-11e5-9862-e6402cfc3223
+    // Per IPMI Spec 2.0 need to convert to 16 hex bytes and reverse the byte order
+    // Ex: 0x2332fc2c40e66298e511f2782395a361
+
+    const int resp_size = 16; // Response is 16 hex bytes per IPMI Spec
+    uint8_t resp_uuid[resp_size]; // Array to hold the formatted response
+    int resp_loc = resp_size-1; // Point resp end of array to save in reverse order
+    int i = 0;
+    char *tokptr = NULL;
+    char *id_octet = NULL;
+
+    // Status code.
+    ipmi_ret_t rc = IPMI_CC_OK;
+    *data_len = 0;
+
+    printf("IPMI GET DEVICE GUID\n");
+
+    // Call Get properties method with the interface and property name
+    r = sd_bus_call_method(bus,busname,objname,iface,
+                           "Get",&error, &reply, "ss",
+                           chassis_iface, "uuid");
+    if (r < 0)
+    {
+        fprintf(stderr, "Failed to call Get Method: %s\n", strerror(-r));
+        rc = IPMI_CC_UNSPECIFIED_ERROR;
+        goto finish;
+    }
+
+    r = sd_bus_message_read(reply, "v", "s", &uuid);
+    if (r < 0 || uuid == NULL)
+    {
+        fprintf(stderr, "Failed to get a response: %s", strerror(-r));
+        rc = IPMI_CC_RESPONSE_ERROR;
+        goto finish;
+    }
+
+    // Traverse the UUID
+    id_octet = strtok_r(uuid, "-", &tokptr); // Get the UUID octects separated by dash
+
+    if (id_octet == NULL)
+    {
+        // Error
+        fprintf(stderr, "Unexpected UUID format: %s", uuid);
+        rc = IPMI_CC_RESPONSE_ERROR;
+        goto finish;
+    }
+
+    while (id_octet != NULL)
+    {
+        // Calculate the octet string size since it varies
+        // Divide it by 2 for the array size since 1 byte is built from 2 chars
+        int tmp_size = strlen(id_octet)/2;
+
+        for(i = 0; i < tmp_size; i++)
+        {
+            char tmp_array[3] = {0}; // Holder of the 2 chars that will become a byte
+            strncpy(tmp_array, id_octet, 2); // 2 chars at a time
+
+            int resp_byte = strtoul(tmp_array, NULL, 16); // Convert to hex byte
+            memcpy((void*)&resp_uuid[resp_loc], &resp_byte, 1); // Copy end to first
+            resp_loc--;
+            id_octet+=2; // Finished with the 2 chars, advance
+        }
+        id_octet=strtok_r(NULL, "-", &tokptr); // Get next octet
+    }
+
+    // Data length
+    *data_len = resp_size;
+
+    // Pack the actual response
+    memcpy(response, &resp_uuid, *data_len);
+
+finish:
+    sd_bus_error_free(&error);
+    reply = sd_bus_message_unref(reply);
+
+    return rc;
+}
+
+ipmi_ret_t ipmi_app_get_bt_capabilities(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)
+{
+    printf("Handling Netfn:[0x%X], Cmd:[0x%X]\n",netfn,cmd);
+
+    // Status code.
+    ipmi_ret_t rc = IPMI_CC_OK;
+
+    uint8_t str[] = {0x01, MAX_IPMI_BUFFER, MAX_IPMI_BUFFER, 0x0A, 0x01};
+
+    // Data length
+    *data_len = sizeof(str);
+
+    // Pack the actual response
+    memcpy(response, &str, *data_len);
+
+    return rc;
+}
+
+
+struct set_wd_data_t {
+    uint8_t t_use;
+    uint8_t t_action;
+    uint8_t preset;
+    uint8_t flags;
+    uint8_t ls;
+    uint8_t ms;
+}  __attribute__ ((packed));
+
+
+
+ipmi_ret_t ipmi_app_set_watchdog(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)
+{
+    const char  *busname = "org.openbmc.watchdog.Host";
+    const char  *objname = "/org/openbmc/watchdog/host0";
+    const char  *iface = "org.openbmc.Watchdog";
+    sd_bus_message *reply = NULL;
+    sd_bus_error error = SD_BUS_ERROR_NULL;
+    int r = 0;
+
+    set_wd_data_t *reqptr = (set_wd_data_t*) request;
+    uint16_t timer = 0;
+    uint32_t timer_ms = 0;
+
+    *data_len = 0;
+
+    // Get number of 100ms intervals
+    timer = (((uint16_t)reqptr->ms) << 8) + reqptr->ls;
+    // Get timer value in ms
+    timer_ms = timer * 100;
+
+    printf("WATCHDOG SET Timer:[0x%X] 100ms intervals\n",timer);
+
+    // Set watchdog timer
+    r = sd_bus_call_method(bus, busname, objname, iface,
+                           "set", &error, &reply, "i", timer_ms);
+    if(r < 0)
+    {
+        fprintf(stderr, "Failed to call the SET method: %s\n", strerror(-r));
+        goto finish;
+    }
+
+    sd_bus_error_free(&error);
+    reply = sd_bus_message_unref(reply);
+
+    // Stop the current watchdog if any
+    r = sd_bus_call_method(bus, busname, objname, iface,
+                           "stop", &error, &reply, NULL);
+    if(r < 0)
+    {
+        fprintf(stderr, "Failed to call the STOP method: %s\n", strerror(-r));
+        goto finish;
+    }
+
+    if (reqptr->t_use & 0x40)
+    {
+        sd_bus_error_free(&error);
+        reply = sd_bus_message_unref(reply);
+
+        // Start the watchdog if requested
+        r = sd_bus_call_method(bus, busname, objname, iface,
+                               "start", &error, &reply, NULL);
+        if(r < 0)
+        {
+            fprintf(stderr, "Failed to call the START method: %s\n", strerror(-r));
+        }
+    }
+
+finish:
+    sd_bus_error_free(&error);
+    reply = sd_bus_message_unref(reply);
+
+    return (r < 0) ? -1 : IPMI_CC_OK;
+}
+
+
+ipmi_ret_t ipmi_app_reset_watchdog(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)
+{
+    const char  *busname = "org.openbmc.watchdog.Host";
+    const char  *objname = "/org/openbmc/watchdog/host0";
+    const char  *iface = "org.openbmc.Watchdog";
+    sd_bus_message *reply = NULL;
+    sd_bus_error error = SD_BUS_ERROR_NULL;
+    int r = 0;
+
+    // Status code.
+    ipmi_ret_t rc = IPMI_CC_OK;
+    *data_len = 0;
+
+    printf("WATCHDOG RESET\n");
+
+    // Refresh watchdog
+    r = sd_bus_call_method(bus, busname, objname, iface,
+                           "poke", &error, &reply, NULL);
+    if (r < 0) {
+        fprintf(stderr, "Failed to add reset  watchdog: %s\n", strerror(-r));
+        rc = -1;
+    }
+
+    sd_bus_error_free(&error);
+    reply = sd_bus_message_unref(reply);
+
+    return rc;
+}
+
+// ATTENTION: This ipmi function is very hardcoded on purpose
+// OpenBMC does not fully support IPMI.  This command is useful
+// to have around because it enables testing of interfaces with
+// the IPMI tool.
+#define GET_CHANNEL_INFO_CHANNEL_OFFSET 0
+// IPMI Table 6-2
+#define IPMI_CHANNEL_TYPE_IPMB 1
+// IPMI Table 6-3
+#define IPMI_CHANNEL_MEDIUM_TYPE_OTHER 6
+
+ipmi_ret_t ipmi_app_channel_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)
+{
+    ipmi_ret_t rc = IPMI_CC_OK;
+    uint8_t resp[] = {
+        1,
+        IPMI_CHANNEL_MEDIUM_TYPE_OTHER,
+        IPMI_CHANNEL_TYPE_IPMB,
+        1,0x41,0xA7,0x00,0,0};
+    uint8_t *p = (uint8_t*) request;
+
+    printf("IPMI APP GET CHANNEL INFO\n");
+
+    // The supported channels numbers are 1 and 8.
+    // Channel Number E is used as way to identify the current channel
+    // that the command is being is received from.
+    if (*p == 0xe || *p == 1 || *p == 8) {
+
+        *data_len = sizeof(resp);
+        memcpy(response, resp, *data_len);
+
+    } else {
+        rc = IPMI_CC_PARM_OUT_OF_RANGE;
+        *data_len = 0;
+    }
+
+    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;
+}
+
+
+
+ipmi_ret_t ipmi_app_wildcard_handler(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)
+{
+    printf("Handling WILDCARD Netfn:[0x%X], Cmd:[0x%X]\n",netfn, cmd);
+
+    // Status code.
+    ipmi_ret_t rc = IPMI_CC_OK;
+
+    *data_len = strlen("THIS IS WILDCARD");
+
+    // Now pack actual response
+    memcpy(response, "THIS IS WILDCARD", *data_len);
+
+    return rc;
+}
+
+void register_netfn_app_functions()
+{
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP, IPMI_CMD_GET_CAP_BIT);
+    ipmi_register_callback(NETFUN_APP, IPMI_CMD_GET_CAP_BIT, NULL, ipmi_app_get_bt_capabilities);
+
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP, IPMI_CMD_WILDCARD);
+    ipmi_register_callback(NETFUN_APP, IPMI_CMD_WILDCARD, NULL, ipmi_app_wildcard_handler);
+
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP, IPMI_CMD_RESET_WD);
+    ipmi_register_callback(NETFUN_APP, IPMI_CMD_RESET_WD, NULL, ipmi_app_reset_watchdog);
+
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP, IPMI_CMD_SET_WD);
+    ipmi_register_callback(NETFUN_APP, IPMI_CMD_SET_WD, NULL, ipmi_app_set_watchdog);
+
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP, IPMI_CMD_GET_DEVICE_ID);
+    ipmi_register_callback(NETFUN_APP, IPMI_CMD_GET_DEVICE_ID, NULL, ipmi_app_get_device_id);
+
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP, IPMI_CMD_GET_DEVICE_GUID);
+    ipmi_register_callback(NETFUN_APP, IPMI_CMD_GET_DEVICE_GUID, NULL, ipmi_app_get_device_guid);
+
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP, IPMI_CMD_SET_ACPI);
+    ipmi_register_callback(NETFUN_APP, IPMI_CMD_SET_ACPI, NULL, ipmi_app_set_acpi_power_state);
+
+    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);
+
+    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);
+
+    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);
+
+
+    printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP, IPMI_CMD_GET_CHAN_INFO);
+    ipmi_register_callback(NETFUN_APP, IPMI_CMD_GET_CHAN_INFO, NULL, ipmi_app_channel_info);
+
+
+
+    return;
+}
+
+