diff options
-rw-r--r-- | Makefile.am | 6 | ||||
-rw-r--r-- | apphandler.cpp | 98 | ||||
-rw-r--r-- | apphandler.h | 33 | ||||
-rw-r--r-- | systemintfcmds.cpp | 109 | ||||
-rw-r--r-- | systemintfcmds.h | 44 |
5 files changed, 159 insertions, 131 deletions
diff --git a/Makefile.am b/Makefile.am index 4053e1b..8a220c5 100644 --- a/Makefile.am +++ b/Makefile.am @@ -36,6 +36,12 @@ libapphandler_la_SOURCES = \ libapphandler_la_LDFLAGS = $(SYSTEMD_LIBS) $(libmapper_LIBS) -version-info 0:0:0 -shared libapphandler_la_CXXFLAGS = $(SYSTEMD_CFLAGS) $(libmapper_CFLAGS) +libsysintfcmdsdir = ${libdir}/host-ipmid +libsysintfcmds_LTLIBRARIES = libsysintfcmds.la +libsysintfcmds_la_SOURCES = \ + systemintfcmds.cpp +libsysintfcmds_la_LDFLAGS = -version-info 0:0:0 -shared + libhostservicedir = ${libdir}/host-ipmid libhostservice_LTLIBRARIES = libhostservice.la libhostservice_la_SOURCES = \ diff --git a/apphandler.cpp b/apphandler.cpp index 28d97c9..394f716 100644 --- a/apphandler.cpp +++ b/apphandler.cpp @@ -31,76 +31,6 @@ typedef struct uint8_t aux[4]; }__attribute__((packed)) ipmi_device_id_t; -//--------------------------------------------------------------------- -// 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) @@ -694,21 +624,6 @@ ipmi_ret_t ipmi_app_channel_info(ipmi_netfn_t netfn, ipmi_cmd_t cmd, 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) @@ -752,17 +667,6 @@ void register_netfn_app_functions() 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_SET_CHAN_ACCESS); ipmi_register_callback(NETFUN_APP, IPMI_CMD_SET_CHAN_ACCESS, NULL, @@ -771,8 +675,6 @@ void register_netfn_app_functions() 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; } diff --git a/apphandler.h b/apphandler.h index 5753c27..ec7d4b0 100644 --- a/apphandler.h +++ b/apphandler.h @@ -3,17 +3,6 @@ #include <stdint.h> -// These are per skiboot ipmi-sel code - -// OEM_SEL type with Timestamp -#define SEL_OEM_ID_0 0x55 -// SEL type is OEM and -not- general SEL -#define SEL_RECORD_TYPE_OEM 0xC0 -// Minor command for soft shurdown -#define SOFT_OFF 0x00 -// Major command for Any kind of power ops -#define CMD_POWER 0x04 - // IPMI commands for App net functions. enum ipmi_netfn_app_cmds { @@ -24,31 +13,9 @@ enum ipmi_netfn_app_cmds IPMI_CMD_GET_DEVICE_GUID = 0x08, IPMI_CMD_RESET_WD = 0x22, IPMI_CMD_SET_WD = 0x24, - IPMI_CMD_SET_BMC_GLOBAL_ENABLES = 0x2E, - IPMI_CMD_GET_MSG_FLAGS = 0x31, - IPMI_CMD_READ_EVENT = 0x35, IPMI_CMD_GET_CAP_BIT = 0x36, IPMI_CMD_SET_CHAN_ACCESS = 0x40, IPMI_CMD_GET_CHAN_INFO = 0x42, - }; -// A Mechanism to tell host to shtudown hosts by sending this PEM SEL. Really -// the only used fields by skiboot are: -// id[0] / id[1] for ID_0 , ID_1 -// type : SEL_RECORD_TYPE_OEM as standard SELs are ignored by skiboot -// cmd : CMD_POWER for power functions -// data[0], specific commands. example Soft power off. power cycle, etc. -struct oem_sel_timestamped -{ - /* SEL header */ - uint8_t id[2]; - uint8_t type; - uint8_t manuf_id[3]; - uint8_t timestamp[4]; - /* OEM SEL data (6 bytes) follows */ - uint8_t netfun; - uint8_t cmd; - uint8_t data[4]; -}; #endif diff --git a/systemintfcmds.cpp b/systemintfcmds.cpp new file mode 100644 index 0000000..d920f95 --- /dev/null +++ b/systemintfcmds.cpp @@ -0,0 +1,109 @@ +#include "systemintfcmds.h" +#include "host-ipmid/ipmid-api.h" + +#include <stdio.h> + +void register_netfn_app_functions() __attribute__((constructor)); + +//------------------------------------------------------------------- +// 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; +} + +//--------------------------------------------------------------------- +// 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; +} + +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; +} + +void register_netfn_app_functions() +{ + + // <Read Event Message Buffer> + 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); + + // <Set BMC Global Enables> + 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); + + // <Get Message Flags> + 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); + + return; +} diff --git a/systemintfcmds.h b/systemintfcmds.h new file mode 100644 index 0000000..19526f6 --- /dev/null +++ b/systemintfcmds.h @@ -0,0 +1,44 @@ +#ifndef __SYSTEM_INTF_CMDS_HANDLER_H__ +#define __SYSTEM_INTF_CMDS_HANDLER_H__ + +#include <stdint.h> + +// These are per skiboot ipmi-sel code + +// OEM_SEL type with Timestamp +#define SEL_OEM_ID_0 0x55 +// SEL type is OEM and -not- general SEL +#define SEL_RECORD_TYPE_OEM 0xC0 +// Minor command for soft shurdown +#define SOFT_OFF 0x00 +// Major command for Any kind of power ops +#define CMD_POWER 0x04 + +// IPMI commands used via System Interface functions. +enum ipmi_netfn_system_intf_cmds +{ + IPMI_CMD_SET_BMC_GLOBAL_ENABLES = 0x2E, + IPMI_CMD_GET_MSG_FLAGS = 0x31, + IPMI_CMD_READ_EVENT = 0x35, +}; + +// A Mechanism to tell host to shtudown hosts by sending this PEM SEL. Really +// the only used fields by skiboot are: +// id[0] / id[1] for ID_0 , ID_1 +// type : SEL_RECORD_TYPE_OEM as standard SELs are ignored by skiboot +// cmd : CMD_POWER for power functions +// data[0], specific commands. example Soft power off. power cycle, etc. +struct oem_sel_timestamped +{ + /* SEL header */ + uint8_t id[2]; + uint8_t type; + uint8_t manuf_id[3]; + uint8_t timestamp[4]; + /* OEM SEL data (6 bytes) follows */ + uint8_t netfun; + uint8_t cmd; + uint8_t data[4]; +}; + +#endif |