diff options
Diffstat (limited to 'chassishandler.cpp')
| -rw-r--r-- | chassishandler.cpp | 453 |
1 files changed, 453 insertions, 0 deletions
diff --git a/chassishandler.cpp b/chassishandler.cpp new file mode 100644 index 0000000..ded9157 --- /dev/null +++ b/chassishandler.cpp @@ -0,0 +1,453 @@ +#include "chassishandler.h" +#include "ipmid-api.h" +#include <stdio.h> +#include <string.h> +#include <stdint.h> +#include <mapper.h> + + +//Defines +#define SET_PARM_VERSION 1 +#define SET_PARM_BOOT_FLAGS_PERMANENT 0x40 //boot flags data1 7th bit on +#define SET_PARM_BOOT_FLAGS_VALID_ONE_TIME 0x80 //boot flags data1 8th bit on +#define SET_PARM_BOOT_FLAGS_VALID_PERMANENT 0xC0 //boot flags data1 7 & 8 bit on + + + +// OpenBMC Chassis Manager dbus framework +const char *chassis_bus_name = "org.openbmc.control.Chassis"; +const char *chassis_object_name = "/org/openbmc/control/chassis0"; +const char *chassis_intf_name = "org.openbmc.control.Chassis"; + + +void register_netfn_chassis_functions() __attribute__((constructor)); + +// Host settings in dbus +// Service name should be referenced by connection name got via object mapper +const char *settings_object_name = "/org/openbmc/settings/host0"; +const char *settings_intf_name = "org.freedesktop.DBus.Properties"; +const char *host_intf_name = "org.openbmc.settings.Host"; + +int dbus_get_property(const char *name, char **buf) +{ + sd_bus_error error = SD_BUS_ERROR_NULL; + sd_bus_message *m = NULL; + sd_bus *bus = NULL; + char *temp_buf = NULL; + char *connection = NULL; + int r; + + // Get the system bus where most system services are provided. + bus = ipmid_get_sd_bus_connection(); + + r = mapper_get_service(bus, settings_object_name, &connection); + if (r < 0) { + fprintf(stderr, "Failed to get connection, return value: %d.\n", r); + goto finish; + } + + /* + * Bus, service, object path, interface and method are provided to call + * the method. + * Signatures and input arguments are provided by the arguments at the + * end. + */ + r = sd_bus_call_method(bus, + connection, /* service to contact */ + settings_object_name, /* object path */ + settings_intf_name, /* interface name */ + "Get", /* method name */ + &error, /* object to return error in */ + &m, /* return message on success */ + "ss", /* input signature */ + host_intf_name, /* first argument */ + name); /* second argument */ + + if (r < 0) { + fprintf(stderr, "Failed to issue method call: %s\n", error.message); + goto finish; + } + + /* + * The output should be parsed exactly the same as the output formatting + * specified. + */ + r = sd_bus_message_read(m, "v", "s", &temp_buf); + if (r < 0) { + fprintf(stderr, "Failed to parse response message: %s\n", strerror(-r)); + goto finish; + } + + asprintf(buf, "%s", temp_buf); +/* *buf = (char*) malloc(strlen(temp_buf)); + if (*buf) { + strcpy(*buf, temp_buf); + } +*/ + printf("IPMID boot option property get: {%s}.\n", (char *) temp_buf); + +finish: + sd_bus_error_free(&error); + sd_bus_message_unref(m); + free(connection); + + return r; +} + +int dbus_set_property(const char * name, const char *value) +{ + sd_bus_error error = SD_BUS_ERROR_NULL; + sd_bus_message *m = NULL; + sd_bus *bus = NULL; + char *connection = NULL; + int r; + + // Get the system bus where most system services are provided. + bus = ipmid_get_sd_bus_connection(); + + r = mapper_get_service(bus, settings_object_name, &connection); + if (r < 0) { + fprintf(stderr, "Failed to get connection, return value: %d.\n", r); + goto finish; + } + + /* + * Bus, service, object path, interface and method are provided to call + * the method. + * Signatures and input arguments are provided by the arguments at the + * end. + */ + r = sd_bus_call_method(bus, + connection, /* service to contact */ + settings_object_name, /* object path */ + settings_intf_name, /* interface name */ + "Set", /* method name */ + &error, /* object to return error in */ + &m, /* return message on success */ + "ssv", /* input signature */ + host_intf_name, /* first argument */ + name, /* second argument */ + "s", /* third argument */ + value); /* fourth argument */ + + if (r < 0) { + fprintf(stderr, "Failed to issue method call: %s\n", error.message); + goto finish; + } + + printf("IPMID boot option property set: {%s}.\n", value); + +finish: + sd_bus_error_free(&error); + sd_bus_message_unref(m); + free(connection); + + return r; +} + +struct get_sys_boot_options_t { + uint8_t parameter; + uint8_t set; + uint8_t block; +} __attribute__ ((packed)); + +struct get_sys_boot_options_response_t { + uint8_t version; + uint8_t parm; + uint8_t data[5]; +} __attribute__ ((packed)); + +struct set_sys_boot_options_t { + uint8_t parameter; + uint8_t data[8]; +} __attribute__ ((packed)); + +ipmi_ret_t ipmi_chassis_wildcard(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 CHASSIS WILDCARD Netfn:[0x%X], Cmd:[0x%X]\n",netfn, cmd); + // Status code. + ipmi_ret_t rc = IPMI_CC_OK; + *data_len = 0; + return rc; +} + +//------------------------------------------------------------ +// Calls into Chassis Control Dbus object to do the power off +//------------------------------------------------------------ +int ipmi_chassis_power_control(const char *method) +{ + // sd_bus error + int rc = 0; + + // SD Bus error report mechanism. + sd_bus_error bus_error = SD_BUS_ERROR_NULL; + + // Response from the call. Although there is no response for this call, + // obligated to mention this to make compiler happy. + sd_bus_message *response = NULL; + + // Gets a hook onto either a SYSTEM or SESSION bus + sd_bus *bus_type = ipmid_get_sd_bus_connection(); + + rc = sd_bus_call_method(bus_type, // On the System Bus + chassis_bus_name, // Service to contact + chassis_object_name, // Object path + chassis_intf_name, // Interface name + method, // Method to be called + &bus_error, // object to return error + &response, // Response buffer if any + NULL); // No input arguments + if(rc < 0) + { + fprintf(stderr,"ERROR initiating Power Off:[%s]\n",bus_error.message); + } + else + { + printf("Chassis Power Off initiated successfully\n"); + } + + sd_bus_error_free(&bus_error); + sd_bus_message_unref(response); + + return rc; +} + + +//---------------------------------------------------------------------- +// Chassis Control commands +//---------------------------------------------------------------------- +ipmi_ret_t ipmi_chassis_control(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) +{ + // Error from power off. + int rc = 0; + + // No response for this command. + *data_len = 0; + + // Catch the actual operaton by peeking into request buffer + uint8_t chassis_ctrl_cmd = *(uint8_t *)request; + printf("Chassis Control Command: Operation:[0x%X]\n",chassis_ctrl_cmd); + + switch(chassis_ctrl_cmd) + { + case CMD_POWER_OFF: + rc = ipmi_chassis_power_control("powerOff"); + break; + case CMD_HARD_RESET: + rc = ipmi_chassis_power_control("reboot"); + break; + default: + { + fprintf(stderr, "Invalid Chassis Control command:[0x%X] received\n",chassis_ctrl_cmd); + rc = -1; + } + } + + return ( (rc < 0) ? IPMI_CC_INVALID : IPMI_CC_OK); +} + +struct bootOptionTypeMap_t { + uint8_t ipmibootflag; + char dbusname[8]; +}; + +#define INVALID_STRING "Invalid" +// dbus supports this list of boot devices. +bootOptionTypeMap_t g_bootOptionTypeMap_t[] = { + + {0x01, "Network"}, + {0x02, "Disk"}, + {0x03, "Safe"}, + {0x05, "CDROM"}, + {0x06, "Setup"}, + {0x00, "Default"}, + {0xFF, INVALID_STRING} +}; + +uint8_t get_ipmi_boot_option(char *p) { + + bootOptionTypeMap_t *s = g_bootOptionTypeMap_t; + + while (s->ipmibootflag != 0xFF) { + if (!strcmp(s->dbusname,p)) + break; + s++; + } + + if (!s->ipmibootflag) + printf("Failed to find Sensor Type %s\n", p); + + return s->ipmibootflag; +} + +char* get_boot_option_by_ipmi(uint8_t p) { + + bootOptionTypeMap_t *s = g_bootOptionTypeMap_t; + + while (s->ipmibootflag != 0xFF) { + + if (s->ipmibootflag == p) + break; + + s++; + } + + + if (!s->ipmibootflag) + printf("Failed to find Sensor Type 0x%x\n", p); + + return s->dbusname; +} + +ipmi_ret_t ipmi_chassis_get_sys_boot_options(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_PARM_NOT_SUPPORTED; + char *p = NULL; + get_sys_boot_options_response_t *resp = (get_sys_boot_options_response_t *) response; + get_sys_boot_options_t *reqptr = (get_sys_boot_options_t*) request; + uint8_t s; + + printf("IPMI GET_SYS_BOOT_OPTIONS\n"); + + memset(resp,0,sizeof(*resp)); + resp->version = SET_PARM_VERSION; + resp->parm = 5; + resp->data[0] = SET_PARM_BOOT_FLAGS_VALID_ONE_TIME; + + *data_len = sizeof(*resp); + + /* + * Parameter #5 means boot flags. Please refer to 28.13 of ipmi doc. + * This is the only parameter used by petitboot. + */ + if (reqptr->parameter == 5) { + + /* Get the boot device */ + int r = dbus_get_property("boot_flags",&p); + + if (r < 0) { + fprintf(stderr, "Dbus get property(boot_flags) failed for get_sys_boot_options.\n"); + rc = IPMI_CC_UNSPECIFIED_ERROR; + + } else { + + s = get_ipmi_boot_option(p); + resp->data[1] = (s << 2); + rc = IPMI_CC_OK; + + } + + if (p) + { + free(p); + p = NULL; + } + + /* Get the boot policy */ + r = dbus_get_property("boot_policy",&p); + + if (r < 0) { + fprintf(stderr, "Dbus get property(boot_policy) failed for get_sys_boot_options.\n"); + rc = IPMI_CC_UNSPECIFIED_ERROR; + + } else { + + printf("BootPolicy is[%s]", p); + resp->data[0] = (strncmp(p,"ONETIME",strlen("ONETIME"))==0) ? + SET_PARM_BOOT_FLAGS_VALID_ONE_TIME: + SET_PARM_BOOT_FLAGS_VALID_PERMANENT; + rc = IPMI_CC_OK; + + } + + + } else { + fprintf(stderr, "Unsupported parameter 0x%x\n", reqptr->parameter); + } + + if (p) + free(p); + + return rc; +} + + + +ipmi_ret_t ipmi_chassis_set_sys_boot_options(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; + char *s; + + printf("IPMI SET_SYS_BOOT_OPTIONS\n"); + + set_sys_boot_options_t *reqptr = (set_sys_boot_options_t *) request; + + // This IPMI command does not have any resposne data + *data_len = 0; + + /* 000101 + * Parameter #5 means boot flags. Please refer to 28.13 of ipmi doc. + * This is the only parameter used by petitboot. + */ + if (reqptr->parameter == 5) { + + s = get_boot_option_by_ipmi(((reqptr->data[1] & 0x3C) >> 2)); + + printf("%d: %s\n", __LINE__, s); + if (!strcmp(s,INVALID_STRING)) { + + rc = IPMI_CC_PARM_NOT_SUPPORTED; + + } else { + + int r = dbus_set_property("boot_flags",s); + + if (r < 0) { + fprintf(stderr, "Dbus set property(boot_flags) failed for set_sys_boot_options.\n"); + rc = IPMI_CC_UNSPECIFIED_ERROR; + } + } + + /* setting the boot policy */ + s = (char *)(((reqptr->data[0] & SET_PARM_BOOT_FLAGS_PERMANENT) == + SET_PARM_BOOT_FLAGS_PERMANENT) ?"PERMANENT":"ONETIME"); + + printf ( "\nBoot Policy is %s",s); + int r = dbus_set_property("boot_policy",s); + + if (r < 0) { + fprintf(stderr, "Dbus set property(boot_policy) failed for set_sys_boot_options.\n"); + rc = IPMI_CC_UNSPECIFIED_ERROR; + } + + } else { + fprintf(stderr, "Unsupported parameter 0x%x\n", reqptr->parameter); + rc = IPMI_CC_PARM_NOT_SUPPORTED; + } + + return rc; +} + +void register_netfn_chassis_functions() +{ + printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_CHASSIS, IPMI_CMD_WILDCARD); + ipmi_register_callback(NETFUN_CHASSIS, IPMI_CMD_WILDCARD, NULL, ipmi_chassis_wildcard); + + printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_CHASSIS, IPMI_CMD_GET_SYS_BOOT_OPTIONS); + ipmi_register_callback(NETFUN_CHASSIS, IPMI_CMD_GET_SYS_BOOT_OPTIONS, NULL, ipmi_chassis_get_sys_boot_options); + + printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n",NETFUN_CHASSIS, IPMI_CMD_CHASSIS_CONTROL); + ipmi_register_callback(NETFUN_CHASSIS, IPMI_CMD_CHASSIS_CONTROL, NULL, ipmi_chassis_control); + + printf("Registering NetFn:[0x%X], Cmd:[0x%X]\n", NETFUN_CHASSIS, IPMI_CMD_SET_SYS_BOOT_OPTIONS); + ipmi_register_callback(NETFUN_CHASSIS, IPMI_CMD_SET_SYS_BOOT_OPTIONS, NULL, ipmi_chassis_set_sys_boot_options); +} + |
