blob: a921643c87407b297bd6d6559ea47d57aa9d823b [file] [log] [blame]
#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));
//---------------------------------------------------------------------
// 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;
}
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;
// 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 str[] = {0x00, 0, 1, 1,2, 0xD, 0x41, 0xA7, 0x00, 0x43, 0x40};
// Data length
*data_len = sizeof(str);
// Pack the actual response
memcpy(response, &str, *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");
// I"m only supporting channel 1. 0xE is the 'default channel'
if (*p == 0xe || *p == 1) {
*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;
}