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b=hDPVP7iCMXeKPP1CCK7F7wM3S8VgHp7yNJ2Fto0X7HUCupzLGirA/+d27uwpSE/Q5Lc4nc8lFf94xQXMEJHD4VXU3fmCDgbx2P2huwUh1XEjPXlo1j2t4lxBNdP4L55pXEme34QJ/vv9/q1upn9copSQLIzmgd2gci489btOg4w6kOiUB0IGyj038WoE+3boNZzoC/SsocPI4LmrY3QYu8hJj0Yy5y1w97uExCc1GEZOpfdYAv5hheMZQi80Iulz8ZGXimH4GkziGHIqDFUn/FGiSUV7Wqp+WS57kluB/A95YLAKywWZpxuJ6ImDhwJ/K9bh+Nrm3Sp2s9/GwsmbKg== From: Yunpeng Yang To: "minyard@acm.org" CC: "farosas@suse.de" , "lvivier@redhat.com" , "pbonzini@redhat.com" , "qemu-devel@nongnu.org" , Mark Cave-Ayland , "corey@minyard.net" , Jonathan Davies , "cornelia.huck@de.ibm.com" Subject: [PATCH 1/2] hw/ipmi/ipmi_bmc_sim: Support getting fake LAN channel config Thread-Topic: [PATCH 1/2] hw/ipmi/ipmi_bmc_sim: Support getting fake LAN channel config Thread-Index: AQHcSDTcH1pDlX4+/0KsuzktMTd+ng== Date: Tue, 28 Oct 2025 18:01:19 +0000 Message-ID: <20251028180115.1098433-2-yunpeng.yang@nutanix.com> References: <20251028180115.1098433-1-yunpeng.yang@nutanix.com> In-Reply-To: <20251028180115.1098433-1-yunpeng.yang@nutanix.com> Accept-Language: en-US, en-GB Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-publictraffictype: Email x-ms-traffictypediagnostic: BYAPR02MB5029:EE_|MWHPR02MB10548:EE_ x-ms-office365-filtering-correlation-id: 0aff7217-2a2a-47dc-c803-08de164c001f x-proofpoint-crosstenant: true x-ms-exchange-senderadcheck: 1 x-ms-exchange-antispam-relay: 0 x-microsoft-antispam: BCL:0; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=148.163.155.12; envelope-from=yunpeng.yang@nutanix.com; helo=mx0b-002c1b01.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_NONE=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @nutanix.com) X-ZM-MESSAGEID: 1761674619915154100 Content-Type: text/plain; charset="utf-8" The following IPMI commands are added or modified to support getting fake LAN channel configurations from the `ipmi_bmc_sim` device: * Get Channel Access; * Get Channel Info Command; * Get LAN Configuration Parameters. The fake LAN channel configurations can be specified from QEMU commandline options for device `ipmi_bmc_sim`. Inside the guest OS, the configurations can be retrieved from the device using some IPMI tools, e.g., `ipmitool lan print`. Note, there is not a real LAN channel. The fake LAN channel is suitable for testing purposes. Signed-off-by: Yunpeng Yang --- hw/ipmi/ipmi_bmc_sim.c | 297 ++++++++++++++++++++++++++++++++++-- include/hw/ipmi/ipmi.h | 1 + qemu-options.hx | 26 ++++ tests/qtest/ipmi-kcs-test.c | 60 ++++++++ 4 files changed, 374 insertions(+), 10 deletions(-) diff --git a/hw/ipmi/ipmi_bmc_sim.c b/hw/ipmi/ipmi_bmc_sim.c index 04e1dcd0e7..2ead46ee55 100644 --- a/hw/ipmi/ipmi_bmc_sim.c +++ b/hw/ipmi/ipmi_bmc_sim.c @@ -27,11 +27,13 @@ #include "qemu/timer.h" #include "hw/ipmi/ipmi.h" #include "qemu/error-report.h" +#include "qapi/error.h" #include "qemu/module.h" #include "hw/loader.h" #include "hw/qdev-properties.h" #include "hw/qdev-properties-system.h" #include "migration/vmstate.h" +#include "net/net.h" =20 #define IPMI_NETFN_CHASSIS 0x00 =20 @@ -70,6 +72,7 @@ #define IPMI_CMD_GET_MSG 0x33 #define IPMI_CMD_SEND_MSG 0x34 #define IPMI_CMD_READ_EVT_MSG_BUF 0x35 +#define IPMI_CMD_GET_CHANNEL_ACCESS 0x41 #define IPMI_CMD_GET_CHANNEL_INFO 0x42 =20 #define IPMI_NETFN_STORAGE 0x0a @@ -101,6 +104,10 @@ #define IPMI_CMD_GET_SEL_TIME 0x48 #define IPMI_CMD_SET_SEL_TIME 0x49 =20 +#define IPMI_NETFN_TRANSPORT 0x0c + +#define IPMI_CMD_GET_LAN_CONFIG 0x02 + =20 /* Same as a timespec struct. */ struct ipmi_time { @@ -170,6 +177,23 @@ typedef struct IPMISensor { #define MAX_SENSORS 20 #define IPMI_WATCHDOG_SENSOR 0 =20 +#define NBYTES_IP 4 +#define NBYTES_MAC 6 + +typedef struct IPMILan { + uint8_t channel; + uint8_t ipaddr[NBYTES_IP]; + uint8_t ipsrc; + MACAddr macaddr; + uint8_t netmask[NBYTES_IP]; + uint8_t defgw_ipaddr[NBYTES_IP]; + MACAddr defgw_macaddr; + + char *arg_ipaddr; + char *arg_netmask; + char *arg_defgw_ipaddr; +} IPMILan; + #define MAX_NETFNS 64 =20 typedef struct IPMIRcvBufEntry { @@ -215,6 +239,7 @@ struct IPMIBmcSim { IPMIFru fru; IPMISensor sensors[MAX_SENSORS]; char *sdr_filename; + IPMILan lan; =20 /* Odd netfns are for responses, so we only need the even ones. */ const IPMINetfn *netfns[MAX_NETFNS / 2]; @@ -265,6 +290,36 @@ struct IPMIBmcSim { #define IPMI_BMC_WATCHDOG_ACTION_POWER_DOWN 2 #define IPMI_BMC_WATCHDOG_ACTION_POWER_CYCLE 3 =20 +#define IPMI_CHANNEL_IMPLEMENTATION_MIN 0x1 +#define IPMI_CHANNEL_IMPLEMENTATION_MAX 0xb +#define IPMI_CHANNEL_IS_IMPLEMENTATION_SPECIFIC(c) \ + (IPMI_CHANNEL_IMPLEMENTATION_MIN <=3D (c) && \ + (c) <=3D IPMI_CHANNEL_IMPLEMENTATION_MAX) + +#define IPMI_BMC_CHANNEL_IS_LAN(ibs, c) \ + ((ibs)->lan.channel !=3D 0 && (ibs)->lan.channel =3D=3D (c)) + +#define IPMI_BMC_LAN_CFG_CC_PARAM_NOT_SUPPORTED 0x80 + +#define IPMI_BMC_LAN_CFG_PARAM_SET_IN_PROGRESS 0x00 +#define IPMI_BMC_LAN_CFG_PARAM_AUTH_TYPE_SUPPORT 0x01 +#define IPMI_BMC_LAN_CFG_PARAM_AUTH_TYPE_ENABLES 0x02 +#define IPMI_BMC_LAN_CFG_PARAM_IP_ADDR 0x03 +#define IPMI_BMC_LAN_CFG_PARAM_IP_ADDR_SOURCE 0x04 +#define IPMI_BMC_LAN_CFG_PARAM_MAC_ADDR 0x05 +#define IPMI_BMC_LAN_CFG_PARAM_SUBNET_MASK 0x06 +#define IPMI_BMC_LAN_CFG_PARAM_IPV4_HDR_PARAMS 0x07 +#define IPMI_BMC_LAN_CFG_PARAM_DEFAULT_GW_IP_ADDR 0x0c +#define IPMI_BMC_LAN_CFG_PARAM_DEFAULT_GW_MAC_ADDR 0x0d +#define IPMI_BMC_LAN_CFG_PARAM_BACKUP_GW_ADDR 0x0e +#define IPMI_BMC_LAN_CFG_PARAM_BACKUP_GW_MAC_ADDR 0x0f +#define IPMI_BMC_LAN_CFG_PARAM_COMMUNITY_STRING 0x10 +#define IPMI_BMC_LAN_CFG_PARAM_NUM_DESTINATIONS 0x11 + +#define IPMI_BMC_LAN_CFG_PARAMETER_REVISION 0x11 + +#define IPMI_BMC_LAN_CFG_IS_VALID_IP_SOURCE(v) (0x0 <=3D (v) && (v) <= =3D 0x4) + #define RSP_BUFFER_INITIALIZER { } =20 static inline void rsp_buffer_pushmore(RspBuffer *rsp, uint8_t *bytes, @@ -1231,6 +1286,25 @@ static void get_watchdog_timer(IPMIBmcSim *ibs, } } =20 +static void get_channel_access(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + RspBuffer *rsp) +{ + uint8_t channel =3D cmd[2] & 0xf; + + if (channel =3D=3D IPMI_CHANNEL_IPMB || channel =3D=3D IPMI_CHANNEL_SY= STEM || + IPMI_BMC_CHANNEL_IS_LAN(ibs, channel)) { + /* alerting disabled */ + /* per message authentication disabled */ + /* user level authentication disabled */ + /* channel always available */ + rsp_buffer_push(rsp, 0x20 | 0x10 | 0x08 | 0x02); + rsp_buffer_push(rsp, 0x04); /* privilege limit: ADMINISTRATOR */ + } else { + rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD); + } +} + static void get_channel_info(IPMIBmcSim *ibs, uint8_t *cmd, unsigned int cmd_len, RspBuffer *rsp) @@ -1240,29 +1314,29 @@ static void get_channel_info(IPMIBmcSim *ibs, IPMIFwInfo info =3D {}; uint8_t ch =3D cmd[2] & 0x0f; =20 - /* Only define channel 0h (IPMB) and Fh (system interface) */ - if (ch =3D=3D 0x0e) { /* "This channel" */ ch =3D IPMI_CHANNEL_SYSTEM; } rsp_buffer_push(rsp, ch); =20 - if (ch !=3D IPMI_CHANNEL_IPMB && ch !=3D IPMI_CHANNEL_SYSTEM) { - /* Not a supported channel */ - rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD); - return; - } - if (k->get_fwinfo) { k->get_fwinfo(s, &info); } =20 + /* Only define channel 0h (IPMB), LAN, and Fh (system interface) */ if (ch =3D=3D IPMI_CHANNEL_IPMB) { rsp_buffer_push(rsp, IPMI_CHANNEL_MEDIUM_IPMB); rsp_buffer_push(rsp, IPMI_CHANNEL_PROTOCOL_IPMB); - } else { /* IPMI_CHANNEL_SYSTEM */ + } else if (IPMI_BMC_CHANNEL_IS_LAN(ibs, ch)) { + rsp_buffer_push(rsp, IPMI_CHANNEL_MEDIUM_802_3_LAN); + rsp_buffer_push(rsp, IPMI_CHANNEL_PROTOCOL_IPMB); + } else if (ch =3D=3D IPMI_CHANNEL_SYSTEM) { rsp_buffer_push(rsp, IPMI_CHANNEL_MEDIUM_SYSTEM); rsp_buffer_push(rsp, info.ipmi_channel_protocol); + } else { + /* Not a supported channel */ + rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD); + return; } =20 rsp_buffer_push(rsp, 0x00); /* Session-less */ @@ -2045,6 +2119,140 @@ static void set_sensor_reading(IPMIBmcSim *ibs, } } =20 +static inline bool is_valid_netmask(const uint8_t *netmask) +{ + uint32_t mask =3D netmask[3]; + uint32_t inverted; + + mask |=3D (uint32_t) netmask[2] << 8; + mask |=3D (uint32_t) netmask[1] << 16; + mask |=3D (uint32_t) netmask[0] << 24; + inverted =3D ~mask; + return mask !=3D 0 && (inverted & (inverted + 1)) =3D=3D 0; +} + +/* + * Request data (from cmd[2] to cmd[5] inclusive): + * bytes meaning + * 1 [bit 7] revision only flag, [bits 3:0] channel number + * 2 parameter selector + * 3 set selector + * 4 block selector + */ +static void get_lan_config(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + RspBuffer *rsp) +{ + uint8_t channel; + + if (ibs->lan.channel =3D=3D 0) { + /* LAN channel disabled. Fail as if this command were not defined.= */ + rsp_buffer_set_error(rsp, IPMI_CC_INVALID_CMD); + return; + } + if (cmd_len < 6) { + rsp_buffer_set_error(rsp, IPMI_CC_REQUEST_DATA_LENGTH_INVALID); + return; + } + channel =3D cmd[2] & 0xf; + + rsp_buffer_push(rsp, IPMI_BMC_LAN_CFG_PARAMETER_REVISION); + if (cmd[2] & 0x80) { + /* The requester only requests parameter revision, not the paramet= er */ + return; + } + if (!IPMI_BMC_CHANNEL_IS_LAN(ibs, channel)) { + rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD); + return; + } + + switch (cmd[3]) { + case IPMI_BMC_LAN_CFG_PARAM_SET_IN_PROGRESS: + rsp_buffer_push(rsp, 0x0); /* set complete */ + break; + + case IPMI_BMC_LAN_CFG_PARAM_AUTH_TYPE_SUPPORT: + rsp_buffer_push(rsp, 0x01); /* Authentication type "none" supporte= d */ + break; + + case IPMI_BMC_LAN_CFG_PARAM_AUTH_TYPE_ENABLES: + /* Only authentication type "none" enabled */ + rsp_buffer_push(rsp, 0x01); /* for privilege level "Callback" */ + rsp_buffer_push(rsp, 0x01); /* for privilege level "User" */ + rsp_buffer_push(rsp, 0x01); /* for privilege level "Operator" */ + rsp_buffer_push(rsp, 0x01); /* for privilege level "Administrator"= */ + rsp_buffer_push(rsp, 0x01); /* for privilege level "OEM" */ + break; + + case IPMI_BMC_LAN_CFG_PARAM_IP_ADDR: + rsp_buffer_pushmore(rsp, ibs->lan.ipaddr, NBYTES_IP); + break; + + case IPMI_BMC_LAN_CFG_PARAM_IP_ADDR_SOURCE: + rsp_buffer_push(rsp, ibs->lan.ipsrc); + break; + + case IPMI_BMC_LAN_CFG_PARAM_MAC_ADDR: + rsp_buffer_pushmore(rsp, ibs->lan.macaddr.a, NBYTES_MAC); + break; + + case IPMI_BMC_LAN_CFG_PARAM_SUBNET_MASK: + rsp_buffer_pushmore(rsp, ibs->lan.netmask, NBYTES_IP); + break; + + case IPMI_BMC_LAN_CFG_PARAM_IPV4_HDR_PARAMS: + /* TTL 0x40 */ + rsp_buffer_push(rsp, 0x40); + /* don't fragment */ + rsp_buffer_push(rsp, 0x40); + /* precedence 0x0, minimize delay */ + rsp_buffer_push(rsp, 0x10); + break; + + case IPMI_BMC_LAN_CFG_PARAM_DEFAULT_GW_IP_ADDR: + rsp_buffer_pushmore(rsp, ibs->lan.defgw_ipaddr, NBYTES_IP); + break; + + case IPMI_BMC_LAN_CFG_PARAM_DEFAULT_GW_MAC_ADDR: + rsp_buffer_pushmore(rsp, ibs->lan.defgw_macaddr.a, NBYTES_MAC); + break; + + case IPMI_BMC_LAN_CFG_PARAM_BACKUP_GW_ADDR: + /* 0.0.0.0 */ + rsp_buffer_push(rsp, 0x00); + rsp_buffer_push(rsp, 0x00); + rsp_buffer_push(rsp, 0x00); + rsp_buffer_push(rsp, 0x00); + break; + + case IPMI_BMC_LAN_CFG_PARAM_BACKUP_GW_MAC_ADDR: + /* 00:00:00:00:00:00 */ + rsp_buffer_push(rsp, 0x00); + rsp_buffer_push(rsp, 0x00); + rsp_buffer_push(rsp, 0x00); + rsp_buffer_push(rsp, 0x00); + rsp_buffer_push(rsp, 0x00); + rsp_buffer_push(rsp, 0x00); + break; + + case IPMI_BMC_LAN_CFG_PARAM_COMMUNITY_STRING: + { + static uint8_t community_str[18] =3D "public"; + + rsp_buffer_pushmore(rsp, community_str, sizeof(community_str)); + } + break; + + case IPMI_BMC_LAN_CFG_PARAM_NUM_DESTINATIONS: + rsp_buffer_push(rsp, 0x00); /* LAN Alerting not supported */ + break; + + default: + rsp_buffer_set_error(rsp, IPMI_BMC_LAN_CFG_CC_PARAM_NOT_SUPPORTED); + return; + }; +} + static const IPMICmdHandler chassis_cmds[] =3D { [IPMI_CMD_GET_CHASSIS_CAPABILITIES] =3D { chassis_capabilities }, [IPMI_CMD_GET_CHASSIS_STATUS] =3D { chassis_status }, @@ -2089,6 +2297,7 @@ static const IPMICmdHandler app_cmds[] =3D { [IPMI_CMD_RESET_WATCHDOG_TIMER] =3D { reset_watchdog_timer }, [IPMI_CMD_SET_WATCHDOG_TIMER] =3D { set_watchdog_timer, 8 }, [IPMI_CMD_GET_WATCHDOG_TIMER] =3D { get_watchdog_timer }, + [IPMI_CMD_GET_CHANNEL_ACCESS] =3D { get_channel_access, 4 }, [IPMI_CMD_GET_CHANNEL_INFO] =3D { get_channel_info, 3 }, }; static const IPMINetfn app_netfn =3D { @@ -2119,12 +2328,22 @@ static const IPMINetfn storage_netfn =3D { .cmd_handlers =3D storage_cmds }; =20 +static const IPMICmdHandler transport_cmds[] =3D { + [IPMI_CMD_GET_LAN_CONFIG] =3D { get_lan_config }, +}; +static const IPMINetfn transport_netfn =3D { + .cmd_nums =3D ARRAY_SIZE(transport_cmds), + .cmd_handlers =3D transport_cmds +}; + + static void register_cmds(IPMIBmcSim *s) { ipmi_sim_register_netfn(s, IPMI_NETFN_CHASSIS, &chassis_netfn); ipmi_sim_register_netfn(s, IPMI_NETFN_SENSOR_EVENT, &sensor_event_netf= n); ipmi_sim_register_netfn(s, IPMI_NETFN_APP, &app_netfn); ipmi_sim_register_netfn(s, IPMI_NETFN_STORAGE, &storage_netfn); + ipmi_sim_register_netfn(s, IPMI_NETFN_TRANSPORT, &transport_netfn); } =20 static uint8_t init_sdrs[] =3D { @@ -2176,7 +2395,7 @@ static void ipmi_sdr_init(IPMIBmcSim *ibs) =20 static const VMStateDescription vmstate_ipmi_sim =3D { .name =3D TYPE_IPMI_BMC_SIMULATOR, - .version_id =3D 1, + .version_id =3D 2, .minimum_version_id =3D 1, .fields =3D (const VMStateField[]) { VMSTATE_UINT8(bmc_global_enables, IPMIBmcSim), @@ -2198,6 +2417,13 @@ static const VMStateDescription vmstate_ipmi_sim =3D= { VMSTATE_UINT16(sensors[IPMI_WATCHDOG_SENSOR].deassert_states, IPMIBmcSim), VMSTATE_UINT16(sensors[IPMI_WATCHDOG_SENSOR].assert_enable, IPMIBm= cSim), + VMSTATE_UINT8_V(lan.channel, IPMIBmcSim, 2), + VMSTATE_UINT8_ARRAY_V(lan.ipaddr, IPMIBmcSim, NBYTES_IP, 2), + VMSTATE_UINT8_V(lan.ipsrc, IPMIBmcSim, 2), + VMSTATE_UINT8_ARRAY_V(lan.macaddr.a, IPMIBmcSim, NBYTES_MAC, 2), + VMSTATE_UINT8_ARRAY_V(lan.netmask, IPMIBmcSim, NBYTES_IP, 2), + VMSTATE_UINT8_ARRAY_V(lan.defgw_ipaddr, IPMIBmcSim, NBYTES_IP, 2), + VMSTATE_UINT8_ARRAY_V(lan.defgw_macaddr.a, IPMIBmcSim, NBYTES_MAC,= 2), VMSTATE_END_OF_LIST() } }; @@ -2232,6 +2458,47 @@ out: fru->nentries =3D size / fru->areasize; } =20 +static void ipmi_lan_init(IPMILan *lan, Error **errp) +{ + struct in_addr ip; + + /* + * `lan->channel` can be either 0 (meaning LAN channel disabled) or + * a valid IPMI implementation-specific channel. + */ + if (lan->channel !=3D 0 && + !IPMI_CHANNEL_IS_IMPLEMENTATION_SPECIFIC(lan->channel)) { + error_setg(errp, "invalid LAN channel %d", lan->channel); + return; + } + if (lan->arg_ipaddr) { + if (inet_pton(AF_INET, lan->arg_ipaddr, &ip) !=3D 1) { + error_setg(errp, "invalid ip address '%s'", lan->arg_ipaddr); + return; + } + memcpy(lan->ipaddr, &ip.s_addr, NBYTES_IP); + } + if (!IPMI_BMC_LAN_CFG_IS_VALID_IP_SOURCE(lan->ipsrc)) { + error_setg(errp, "invalid ip source %d", lan->ipsrc); + return; + } + if (lan->arg_netmask) { + if (inet_pton(AF_INET, lan->arg_netmask, &ip) !=3D 1 || + !is_valid_netmask((const uint8_t *) &ip.s_addr)) { + error_setg(errp, "invalid subnet mask '%s'", lan->arg_netmask); + return; + } + memcpy(lan->netmask, &ip.s_addr, NBYTES_IP); + } + if (lan->arg_defgw_ipaddr) { + if (inet_pton(AF_INET, lan->arg_defgw_ipaddr, &ip) !=3D 1) { + error_setg(errp, "invalid ip address '%s'", lan->arg_defgw_ipa= ddr); + return; + } + memcpy(lan->defgw_ipaddr, &ip.s_addr, NBYTES_IP); + } +} + static void ipmi_sim_realize(DeviceState *dev, Error **errp) { IPMIBmc *b =3D IPMI_BMC(dev); @@ -2259,6 +2526,9 @@ static void ipmi_sim_realize(DeviceState *dev, Error = **errp) ibs->acpi_power_state[1] =3D 0; =20 ipmi_init_sensors_from_sdrs(ibs); + + ipmi_lan_init(&ibs->lan, errp); + register_cmds(ibs); =20 ibs->timer =3D timer_new_ns(QEMU_CLOCK_VIRTUAL, ipmi_timeout, ibs); @@ -2276,6 +2546,13 @@ static const Property ipmi_sim_properties[] =3D { DEFINE_PROP_UINT32("mfg_id", IPMIBmcSim, mfg_id, 0), DEFINE_PROP_UINT16("product_id", IPMIBmcSim, product_id, 0), DEFINE_PROP_UUID_NODEFAULT("guid", IPMIBmcSim, uuid), + DEFINE_PROP_UINT8("lan.channel", IPMIBmcSim, lan.channel, 0), + DEFINE_PROP_STRING("lan.ipaddr", IPMIBmcSim, lan.arg_ipaddr), + DEFINE_PROP_UINT8("lan.ipsrc", IPMIBmcSim, lan.ipsrc, 0), + DEFINE_PROP_MACADDR("lan.macaddr", IPMIBmcSim, lan.macaddr), + DEFINE_PROP_STRING("lan.netmask", IPMIBmcSim, lan.arg_netmask), + DEFINE_PROP_STRING("lan.defgw_ipaddr", IPMIBmcSim, lan.arg_defgw_ipadd= r), + DEFINE_PROP_MACADDR("lan.defgw_macaddr", IPMIBmcSim, lan.defgw_macaddr= ), }; =20 static void ipmi_sim_class_init(ObjectClass *oc, const void *data) diff --git a/include/hw/ipmi/ipmi.h b/include/hw/ipmi/ipmi.h index cd581aa134..3435d84178 100644 --- a/include/hw/ipmi/ipmi.h +++ b/include/hw/ipmi/ipmi.h @@ -45,6 +45,7 @@ enum ipmi_op { #define IPMI_CHANNEL_IPMB 0x00 #define IPMI_CHANNEL_SYSTEM 0x0f #define IPMI_CHANNEL_MEDIUM_IPMB 0x01 +#define IPMI_CHANNEL_MEDIUM_802_3_LAN 0x04 #define IPMI_CHANNEL_MEDIUM_SYSTEM 0x0c #define IPMI_CHANNEL_PROTOCOL_IPMB 0x01 #define IPMI_CHANNEL_PROTOCOL_KCS 0x05 diff --git a/qemu-options.hx b/qemu-options.hx index 0223ceffeb..100226d84b 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -1142,6 +1142,32 @@ SRST is set, get "Get GUID" command to the BMC will return it. Otherwise "Get GUID" will return an error. =20 + ``lan.channel=3Dval`` + channel number of the fake LAN channel. It can be 0 or any + integer from 0x1 to 0xb inclusive. If set to 0, the LAN channel + is disabled, otherwise the LAN channel is enabled at the + specified channel number. The default is 0. + + ``lan.ipaddr=3Daddr`` + the ipv4 address of the BMC LAN channel. + + ``lan.ipsrc=3Dval`` + the ipv4 address source of the BMC LAN channel. It can be 0 + (unspecified source), 1 (static address), 2 (DHCP), 3 (BIOS or + system software), or 4 (other source). The default is 0. + + ``lan.macaddr=3Dmac`` + the mac address of the BMC LAN channel. + + ``lan.netmask=3Dmask`` + the ipv4 subnet mask for the BMC LAN channel. + + ``lan.defgw_ipaddr=3Daddr`` + the default gateway ipv4 address for the BMC LAN channel. + + ``lan.defgw_macaddr=3Dmac`` + the default gateway mac address for the BMC LAN channel. + ``-device ipmi-bmc-extern,id=3Did,chardev=3Did[,slave_addr=3Dval]`` Add a connection to an external IPMI BMC simulator. Instead of locally emulating the BMC like the above item, instead connect to an diff --git a/tests/qtest/ipmi-kcs-test.c b/tests/qtest/ipmi-kcs-test.c index 3186c6ad64..d0a207477e 100644 --- a/tests/qtest/ipmi-kcs-test.c +++ b/tests/qtest/ipmi-kcs-test.c @@ -262,6 +262,62 @@ static void test_enable_irq(void) kcs_ints_enabled =3D 1; } =20 + +static uint8_t get_channel_access_cmd[] =3D { 0x18, 0x41, 0x01, 0x40 }; +static uint8_t get_channel_access_rsp[] =3D { 0x1c, 0x41, 0x00, 0x3a, 0x04= }; + +/* + * Get channel access + */ +static void test_kcs_channel_access(void) +{ + uint8_t rsp[20]; + unsigned int rsplen =3D sizeof(rsp); + + kcs_cmd(get_channel_access_cmd, sizeof(get_channel_access_cmd), + rsp, &rsplen); + g_assert(rsplen =3D=3D sizeof(get_channel_access_rsp)); + g_assert(memcmp(get_channel_access_rsp, rsp, rsplen) =3D=3D 0); +} + + +static uint8_t get_channel_info_cmd[] =3D { 0x18, 0x42, 0x01 }; +static uint8_t get_channel_info_rsp[] =3D { 0x1c, 0x42, 0x00, 0x01, 0x04, = 0x01, + 0x00, 0xf2, 0x1b, 0x00, 0x00, 0x= 00 }; + +/* + * Get channel info + */ +static void test_kcs_channel_info(void) +{ + uint8_t rsp[20]; + unsigned int rsplen =3D sizeof(rsp); + + kcs_cmd(get_channel_info_cmd, sizeof(get_channel_info_cmd), rsp, &rspl= en); + g_assert(rsplen =3D=3D sizeof(get_channel_info_rsp)); + g_assert(memcmp(get_channel_info_rsp, rsp, rsplen) =3D=3D 0); +} + + +/* get ip address (specified in cmdline): 10.0.0.2 */ +static uint8_t get_ipaddr_cmd[] =3D { 0x30, 0x02, 0x01, 0x03, 0x00, 0x00 }; +static uint8_t get_ipaddr_rsp[] =3D { 0x34, 0x02, 0x00, 0x11, + 0x0a, 0x00, 0x00, 0x02 }; + +/* + * Get LAN configurations + */ +static void test_kcs_lan_get(void) +{ + uint8_t rsp[20]; + unsigned int rsplen =3D sizeof(rsp); + + kcs_cmd(get_ipaddr_cmd, sizeof(get_ipaddr_cmd), rsp, &rsplen); + g_assert(rsplen =3D=3D sizeof(get_ipaddr_rsp)); + g_assert(memcmp(get_ipaddr_rsp, rsp, rsplen) =3D=3D 0); +} + + int main(int argc, char **argv) { char *cmdline; @@ -271,6 +327,7 @@ int main(int argc, char **argv) g_test_init(&argc, &argv, NULL); =20 cmdline =3D g_strdup_printf("-device ipmi-bmc-sim,id=3Dbmc0" + ",lan.channel=3D1,lan.ipaddr=3D10.0= .0.2" " -device isa-ipmi-kcs,bmc=3Dbmc0"); qtest_start(cmdline); g_free(cmdline); @@ -280,6 +337,9 @@ int main(int argc, char **argv) qtest_add_func("/ipmi/local/kcs_enable_irq", test_enable_irq); qtest_add_func("/ipmi/local/kcs_base_irq", test_kcs_base); qtest_add_func("/ipmi/local/kcs_abort_irq", test_kcs_abort); + qtest_add_func("/ipmi/local/kcs_channel_access", test_kcs_channel_acce= ss); + qtest_add_func("/ipmi/local/kcs_channel_info", test_kcs_channel_info); + qtest_add_func("/ipmi/local/kcs_lan_get", test_kcs_lan_get); ret =3D g_test_run(); qtest_quit(global_qtest); =20 --=20 2.43.7