1 #ifndef __HOST_IPMID_IPMI_COMMON_H__ 2 #define __HOST_IPMID_IPMI_COMMON_H__ 3 4 #include <systemd/sd-bus.h> 5 6 #include <cstddef> 7 8 /* 9 * Specifies the minimum privilege level required to execute the command 10 * This means the command can be executed at a given privilege level or higher 11 * privilege level. Those commands which can be executed via system interface 12 * only should use SYSTEM_INTERFACE 13 */ 14 enum CommandPrivilege 15 { 16 PRIVILEGE_CALLBACK = 0x01, 17 PRIVILEGE_USER, 18 PRIVILEGE_OPERATOR, 19 PRIVILEGE_ADMIN, 20 PRIVILEGE_OEM, 21 SYSTEM_INTERFACE = 0xFF, 22 }; 23 24 // IPMI Net Function number as specified by IPMI V2.0 spec. 25 // Example : 26 // NETFUN_APP = (0x06 << 2), 27 typedef unsigned char ipmi_netfn_t; 28 29 // IPMI Command for a Net Function number as specified by IPMI V2.0 spec. 30 typedef unsigned char ipmi_cmd_t; 31 32 // Buffer containing data from sender of netfn and command as part of request 33 typedef void* ipmi_request_t; 34 35 // This is the response buffer that the provider of [netfn,cmd] will send back 36 // to the caller. Provider will allocate the memory inside the handler and then 37 // will do a memcpy to this response buffer and also will set the data size 38 // parameter to the size of the buffer. 39 // EXAMPLE : 40 // unsigned char str[] = {0x00, 0x01, 0xFE, 0xFF, 0x0A, 0x01}; 41 // *data_len = 6; 42 // memcpy(response, &str, *data_len); 43 typedef void* ipmi_response_t; 44 45 // This buffer contains any *user specific* data that is of interest only to the 46 // plugin. For a ipmi function router, this data is opaque. At the time of 47 // registering the plugin handlers, plugin may optionally allocate a memory and 48 // fill in whatever needed that will be of help during the actual handling of 49 // command. IPMID will just pass the netfn, cmd and also this data to plugins 50 // during the command handler invocation. 51 typedef void* ipmi_context_t; 52 53 // Length of request / response buffer depending on whether the data is a 54 // request or a response from a plugin handler. 55 typedef std::size_t* ipmi_data_len_t; 56 57 // Plugin function return the status code 58 typedef unsigned char ipmi_ret_t; 59 60 typedef enum CommandPrivilege ipmi_cmd_privilege_t; 61 62 // This is the callback handler that the plugin registers with IPMID. IPMI 63 // function router will then make a call to this callback handler with the 64 // necessary arguments of netfn, cmd, request, response, size and context. 65 typedef ipmi_ret_t (*ipmid_callback_t)(ipmi_netfn_t, ipmi_cmd_t, ipmi_request_t, 66 ipmi_response_t, ipmi_data_len_t, 67 ipmi_context_t); 68 69 // This is the constructor function that is called into by each plugin handlers. 70 // When ipmi sets up the callback handlers, a call is made to this with 71 // information of netfn, cmd, callback handler pointer and context data. 72 void ipmi_register_callback(ipmi_netfn_t, ipmi_cmd_t, ipmi_context_t, 73 ipmid_callback_t, ipmi_cmd_privilege_t); 74 75 unsigned short reserveSel(void); 76 bool checkSELReservation(unsigned short id); 77 void cancelSELReservation(void); 78 79 // These are the command network functions, the response 80 // network functions are the function + 1. So to determine 81 // the proper network function which issued the command 82 // associated with a response, subtract 1. 83 // Note: these are also shifted left to make room for the LUN. 84 enum ipmi_net_fns 85 { 86 NETFUN_CHASSIS = 0x00, 87 NETFUN_BRIDGE = 0x02, 88 NETFUN_SENSOR = 0x04, 89 NETFUN_APP = 0x06, 90 NETFUN_FIRMWARE = 0x08, 91 NETFUN_STORAGE = 0x0a, 92 NETFUN_TRANSPORT = 0x0c, 93 NETFUN_GRPEXT = 0x2c, 94 NETFUN_OEM_GROUP = 0x2e, 95 NETFUN_NONE = 0x30, 96 NETFUN_OEM = 0x32, 97 NETFUN_IBM_OEM = 0x3A 98 }; 99 100 // Return (completion) codes from a IPMI operation as needed by IPMI V2.0 spec. 101 enum ipmi_return_codes 102 { 103 IPMI_CC_OK = 0x00, 104 IPMI_DCMI_CC_NO_ACTIVE_POWER_LIMIT = 0x80, 105 IPMI_WDOG_CC_NOT_INIT = 0x80, 106 IPMI_CC_SYSTEM_INFO_PARAMETER_NOT_SUPPORTED = 0x80, 107 IPMI_CC_SYSTEM_INFO_PARAMETER_SET_READ_ONLY = 0x82, 108 IPMI_CC_BUSY = 0xC0, 109 IPMI_CC_INVALID = 0xC1, 110 IPMI_CC_TIMEOUT = 0xC3, 111 IPMI_CC_OUT_OF_SPACE = 0xC4, 112 IPMI_CC_INVALID_RESERVATION_ID = 0xC5, 113 IPMI_CC_REQ_DATA_TRUNCATED = 0xC6, 114 IPMI_CC_REQ_DATA_LEN_INVALID = 0xC7, 115 IPMI_CC_PARM_OUT_OF_RANGE = 0xC9, 116 IPMI_CC_REQUESTED_TOO_MANY_BYTES = 0xCA, 117 IPMI_CC_SENSOR_INVALID = 0xCB, 118 IPMI_CC_INVALID_FIELD_REQUEST = 0xCC, 119 IPMI_CC_ILLEGAL_COMMAND = 0xCD, 120 IPMI_CC_RESPONSE_ERROR = 0xCE, 121 IPMI_CC_INSUFFICIENT_PRIVILEGE = 0xD4, 122 IPMI_CC_UNSPECIFIED_ERROR = 0xFF, 123 }; 124 125 // Temp solution: To detect the request source channel. 126 // There is no stright forward way to get the exact 127 // channel so we are hardcoding it to KCS in case host-ipmid 128 // and LAN1 for netipmid. 129 // we can't differentiate between LAN1 & LAN2 for netipmid in this logic. 130 // As our current design will not be able to support the same. This is done 131 // so that in all the places where ever we need to use the self channel can be 132 // be implemented properly and based on new architecture.this can be updated. 133 typedef enum 134 { 135 interfaceKCS = 0, 136 interfaceLAN1 = 1, 137 interfaceUnknown = 0xFF 138 } EInterfaceIndex; 139 140 EInterfaceIndex getInterfaceIndex(void); 141 142 sd_bus* ipmid_get_sd_bus_connection(void); 143 sd_event* ipmid_get_sd_event_connection(void); 144 145 // move this from ipmid.hpp, which is now gone 146 // this should not be used. Use the channel API to get the channel size 147 #define MAX_IPMI_BUFFER 64 148 149 #endif 150