blob: f551d4fef97cb2d1d061b91c427b0ce6701cb6e3 [file] [log] [blame]
#include "apphandler.h"
#include "host-ipmid/ipmid-api.h"
#include "ipmid.hpp"
#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include <systemd/sd-bus.h>
#include <mapper.h>
#include <array>
#include <arpa/inet.h>
#include "transporthandler.h"
extern sd_bus *bus;
constexpr auto app_obj = "/org/openbmc/NetworkManager/Interface";
constexpr auto app_ifc = "org.openbmc.NetworkManager";
constexpr auto app_nwinterface = "eth0";
void register_netfn_app_functions() __attribute__((constructor));
// Offset in get device id command.
typedef struct
{
uint8_t id;
uint8_t revision;
uint8_t fw[2];
uint8_t ipmi_ver;
uint8_t addn_dev_support;
uint8_t manuf_id[3];
uint8_t prod_id[2];
uint8_t aux[4];
}__attribute__((packed)) ipmi_device_id_t;
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;
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 *objname = "/org/openbmc/inventory/system/chassis/motherboard/bmc";
const char *iface = "org.openbmc.InventoryItem";
char *ver = NULL;
char *busname = NULL;
int r;
rev_t rev = {0};
ipmi_device_id_t dev_id{};
// Data length
*data_len = sizeof(dev_id);
// From IPMI spec, controller that have different application commands, or different
// definitions of OEM fields, are expected to have different Device ID values.
// Set to 0 now.
// Device Revision is set to 0 now.
// Bit7 identifies if device provide Device SDRs, obmc don't have SDR,we use ipmi to
// simulate SDR, hence the value:
dev_id.revision = 0x80;
// Firmware revision is already implemented, so get it from appropriate position.
r = mapper_get_service(bus, objname, &busname);
if (r < 0) {
fprintf(stderr, "Failed to get %s bus name: %s\n",
objname, strerror(-r));
goto finish;
}
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 if the device is available, 0=normal operation,
// 1=device firmware, SDR update or self-initialization in progress.
// our SDR is normal working condition, so mask:
dev_id.fw[0] = 0x7F & rev.major;
rev.minor = (rev.minor > 99 ? 99 : rev.minor);
dev_id.fw[1] = rev.minor % 10 + (rev.minor / 10) * 16;
memcpy(&dev_id.aux, rev.d, 4);
}
}
// IPMI Spec verison 2.0
dev_id.ipmi_ver = 2;
// Additional device Support.
// List the 'logical device' commands and functions that the controller supports
// that are in addition to the mandatory IPM and Application commands.
// [7] Chassis Device (device functions as chassis device per ICMB spec.)
// [6] Bridge (device responds to Bridge NetFn commands)
// [5] IPMB Event Generator
// [4] IPMB Event Receiver
// [3] FRU Inventory Device
// [2] SEL Device
// [1] SDR Repository Device
// [0] Sensor Device
// We support FRU/SEL/Sensor now:
dev_id.addn_dev_support = 0x8D;
// 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?
dev_id.manuf_id[0] = 0x41;
dev_id.manuf_id[1] = 0xA7;
dev_id.manuf_id[2] = 0x00;
// Witherspoon's product ID is hardcoded to 4F42(ASCII 'OB').
// TODO: openbmc/openbmc#495
dev_id.prod_id[0] = 0x4F;
dev_id.prod_id[1] = 0x42;
// Pack the actual response
memcpy(response, &dev_id, *data_len);
finish:
free(busname);
return rc;
}
ipmi_ret_t ipmi_app_get_self_test_results(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;
// Byte 2:
// 55h - No error.
// 56h - Self Test funciton not implemented in this controller.
// 57h - Corrupted or inaccesssible data or devices.
// 58h - Fatal hardware error.
// FFh - reserved.
// all other: Device-specific 'internal failure'.
// Byte 3:
// For byte 2 = 55h, 56h, FFh: 00h
// For byte 2 = 58h, all other: Device-specific
// For byte 2 = 57h: self-test error bitfield.
// Note: returning 57h does not imply that all test were run.
// [7] 1b = Cannot access SEL device.
// [6] 1b = Cannot access SDR Repository.
// [5] 1b = Cannot access BMC FRU device.
// [4] 1b = IPMB signal lines do not respond.
// [3] 1b = SDR Repository empty.
// [2] 1b = Internal Use Area of BMC FRU corrupted.
// [1] 1b = controller update 'boot block' firmware corrupted.
// [0] 1b = controller operational firmware corrupted.
char selftestresults[2] = {0};
*data_len = 2;
selftestresults[0] = 0x56;
selftestresults[1] = 0;
memcpy(response, selftestresults, *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 *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;
char *busname = 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 = mapper_get_service(bus, objname, &busname);
if (r < 0) {
fprintf(stderr, "Failed to get %s bus name: %s\n",
objname, strerror(-r));
goto finish;
}
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);
free(busname);
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;
// Per IPMI 2.0 spec, the input and output buffer size must be the max
// buffer size minus one byte to allocate space for the length byte.
uint8_t str[] = {0x01, MAX_IPMI_BUFFER-1, MAX_IPMI_BUFFER-1, 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 *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;
char *busname = NULL;
*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);
// Get bus name
r = mapper_get_service(bus, objname, &busname);
if (r < 0) {
fprintf(stderr, "Failed to get %s bus name: %s\n",
objname, strerror(-r));
goto finish;
}
// 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);
free(busname);
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 *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;
char *busname = NULL;
// Status code.
ipmi_ret_t rc = IPMI_CC_OK;
*data_len = 0;
printf("WATCHDOG RESET\n");
// Get bus name
r = mapper_get_service(bus, objname, &busname);
if (r < 0) {
fprintf(stderr, "Failed to get %s bus name: %s\n",
objname, strerror(-r));
goto finish;
}
// 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;
}
finish:
sd_bus_error_free(&error);
reply = sd_bus_message_unref(reply);
free(busname);
return rc;
}
extern struct channel_config_t channel_config;
ipmi_ret_t ipmi_set_channel_access(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;
sd_bus *bus = ipmid_get_sd_bus_connection();
sd_bus_message *reply = nullptr;
sd_bus_error error = SD_BUS_ERROR_NULL;
int r = 0;
char *app = nullptr;
int family = 0;
unsigned char prefixlen = 0;
char* ipaddr = nullptr;
uint32_t mask = 0xFFFFFFFF;
char* gateway = nullptr;
char tmp_netmask[INET_ADDRSTRLEN];
// Todo: parse the request data if needed.
// Using Set Channel cmd to apply changes of Set Lan Cmd.
r = mapper_get_service(bus, app_obj, &app);
if (r < 0) {
fprintf(stderr, "Failed to get %s bus name: %s\n",
app_obj, strerror(-r));
rc = IPMI_CC_UNSPECIFIED_ERROR;
goto finish;
}
r = sd_bus_call_method(bus, app, app_obj, app_ifc, "GetAddress4", &error,
&reply, "s", app_nwinterface);
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, "iyss",
&family, &prefixlen, &ipaddr, &gateway);
if (r < 0) {
fprintf(stderr, "Failed to get a response: %s\n", strerror(-r));
rc = IPMI_CC_RESPONSE_ERROR;
goto finish;
}
printf("N/W data from Cache: %s:%s:%s\n",
channel_config.new_ipaddr.c_str(),
channel_config.new_netmask.c_str(),
channel_config.new_gateway.c_str());
if(channel_config.new_ipaddr.empty()) {
channel_config.new_ipaddr.assign(ipaddr);
}
if(channel_config.new_netmask.empty()) {
mask = htonl(mask<<(32-prefixlen));
uint8_t* p = (uint8_t*)&mask;
snprintf(tmp_netmask, INET_ADDRSTRLEN, "%d.%d.%d.%d",
*p, *(p+1), *(p+2), *(p+3));
channel_config.new_netmask.assign(tmp_netmask);
}
if(channel_config.new_gateway.empty()) {
channel_config.new_gateway.assign(gateway);
}
printf("N/W data from HW %s:%d:%s:%s\n",
family==AF_INET?"IPv4":"IPv6", prefixlen, ipaddr,gateway);
printf("N/W data from Cache: %s:%s:%s\n",
channel_config.new_ipaddr.c_str(),
channel_config.new_netmask.c_str(),
channel_config.new_gateway.c_str());
r = sd_bus_call_method(bus, // On the System Bus
app, // Service to contact
app_obj, // Object path
app_ifc, // Interface name
"SetAddress4", // Method to be called
&error, // object to return error
&reply, // Response message on success
"ssss", // input message (Interface,
// IP Address, Netmask, Gateway)
app_nwinterface, // eth0
channel_config.new_ipaddr.c_str(),
channel_config.new_netmask.c_str(),
channel_config.new_gateway.c_str());
if(r < 0) {
fprintf(stderr, "Failed to set network data %s:%s:%s %s\n",
channel_config.new_ipaddr.c_str(),
channel_config.new_netmask.c_str(),
channel_config.new_gateway.c_str(),
error.message);
rc = IPMI_CC_UNSPECIFIED_ERROR;
}
channel_config.new_ipaddr.clear();
channel_config.new_netmask.clear();
channel_config.new_gateway.clear();
finish:
sd_bus_error_free(&error);
reply = sd_bus_message_unref(reply);
free(app);
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_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_INVALID;
*data_len = strlen("THIS IS WILDCARD");
// Now pack actual response
memcpy(response, "THIS IS WILDCARD", *data_len);
return rc;
}
void register_netfn_app_functions()
{
// <Get BT Interface Capabilities>
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,
PRIVILEGE_USER);
// <Wildcard Command>
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,
PRIVILEGE_USER);
// <Reset Watchdog Timer>
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,
PRIVILEGE_OPERATOR);
// <Set Watchdog Timer>
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,
PRIVILEGE_OPERATOR);
// <Get Device ID>
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,
PRIVILEGE_USER);
// <Get Self Test Results>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP, IPMI_CMD_GET_SELF_TEST_RESULTS);
ipmi_register_callback(NETFUN_APP, IPMI_CMD_GET_SELF_TEST_RESULTS, NULL,
ipmi_app_get_self_test_results, PRIVILEGE_USER);
// <Get Device GUID>
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,
PRIVILEGE_USER);
// <Set ACPI Power State>
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,
PRIVILEGE_ADMIN);
// <Set Channel Access>
printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_APP,
IPMI_CMD_SET_CHAN_ACCESS);
ipmi_register_callback(NETFUN_APP, IPMI_CMD_SET_CHAN_ACCESS, NULL,
ipmi_set_channel_access, PRIVILEGE_ADMIN);
// <Get Channel Info Command>
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,
PRIVILEGE_USER);
return;
}