diff options
Diffstat (limited to 'hw/ipmi/ipmi_bmc_sim.c')
| -rw-r--r-- | hw/ipmi/ipmi_bmc_sim.c | 107 |
1 files changed, 93 insertions, 14 deletions
diff --git a/hw/ipmi/ipmi_bmc_sim.c b/hw/ipmi/ipmi_bmc_sim.c index 6157ac7120..1c60a71831 100644 --- a/hw/ipmi/ipmi_bmc_sim.c +++ b/hw/ipmi/ipmi_bmc_sim.c @@ -70,6 +70,7 @@ #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_INFO 0x42 #define IPMI_NETFN_STORAGE 0x0a @@ -234,6 +235,7 @@ struct IPMIBmcSim { #define IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE_SET(s) \ (IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE & (s)->msg_flags) +#define IPMI_BMC_GLOBAL_ENABLES_SUPPORTED 0x0f #define IPMI_BMC_RCV_MSG_QUEUE_INT_BIT 0 #define IPMI_BMC_EVBUF_FULL_INT_BIT 1 #define IPMI_BMC_EVENT_MSG_BUF_BIT 2 @@ -513,7 +515,8 @@ static void gen_event(IPMIBmcSim *ibs, unsigned int sens_num, uint8_t deassert, static void sensor_set_discrete_bit(IPMIBmcSim *ibs, unsigned int sensor, unsigned int bit, unsigned int val, - uint8_t evd1, uint8_t evd2, uint8_t evd3) + uint8_t evd1, uint8_t evd2, uint8_t evd3, + bool do_log) { IPMISensor *sens; uint16_t mask; @@ -533,7 +536,7 @@ static void sensor_set_discrete_bit(IPMIBmcSim *ibs, unsigned int sensor, return; /* Already asserted */ } sens->assert_states |= mask & sens->assert_suppt; - if (sens->assert_enable & mask & sens->assert_states) { + if (do_log && (sens->assert_enable & mask & sens->assert_states)) { /* Send an event on assert */ gen_event(ibs, sensor, 0, evd1, evd2, evd3); } @@ -543,7 +546,7 @@ static void sensor_set_discrete_bit(IPMIBmcSim *ibs, unsigned int sensor, return; /* Already deasserted */ } sens->deassert_states |= mask & sens->deassert_suppt; - if (sens->deassert_enable & mask & sens->deassert_states) { + if (do_log && (sens->deassert_enable & mask & sens->deassert_states)) { /* Send an event on deassert */ gen_event(ibs, sensor, 1, evd1, evd2, evd3); } @@ -699,6 +702,7 @@ static void ipmi_sim_handle_timeout(IPMIBmcSim *ibs) { IPMIInterface *s = ibs->parent.intf; IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + bool do_log = !IPMI_BMC_WATCHDOG_GET_DONT_LOG(ibs); if (!ibs->watchdog_running) { goto out; @@ -710,14 +714,16 @@ static void ipmi_sim_handle_timeout(IPMIBmcSim *ibs) ibs->msg_flags |= IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK; k->do_hw_op(s, IPMI_SEND_NMI, 0); sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 8, 1, - 0xc8, (2 << 4) | 0xf, 0xff); + 0xc8, (2 << 4) | 0xf, 0xff, + do_log); break; case IPMI_BMC_WATCHDOG_PRE_MSG_INT: ibs->msg_flags |= IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK; k->set_atn(s, 1, attn_irq_enabled(ibs)); sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 8, 1, - 0xc8, (3 << 4) | 0xf, 0xff); + 0xc8, (3 << 4) | 0xf, 0xff, + do_log); break; default: @@ -737,24 +743,28 @@ static void ipmi_sim_handle_timeout(IPMIBmcSim *ibs) switch (IPMI_BMC_WATCHDOG_GET_ACTION(ibs)) { case IPMI_BMC_WATCHDOG_ACTION_NONE: sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 0, 1, - 0xc0, ibs->watchdog_use & 0xf, 0xff); + 0xc0, ibs->watchdog_use & 0xf, 0xff, + do_log); break; case IPMI_BMC_WATCHDOG_ACTION_RESET: sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 1, 1, - 0xc1, ibs->watchdog_use & 0xf, 0xff); + 0xc1, ibs->watchdog_use & 0xf, 0xff, + do_log); k->do_hw_op(s, IPMI_RESET_CHASSIS, 0); break; case IPMI_BMC_WATCHDOG_ACTION_POWER_DOWN: sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 2, 1, - 0xc2, ibs->watchdog_use & 0xf, 0xff); + 0xc2, ibs->watchdog_use & 0xf, 0xff, + do_log); k->do_hw_op(s, IPMI_POWEROFF_CHASSIS, 0); break; case IPMI_BMC_WATCHDOG_ACTION_POWER_CYCLE: sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 2, 1, - 0xc3, ibs->watchdog_use & 0xf, 0xff); + 0xc3, ibs->watchdog_use & 0xf, 0xff, + do_log); k->do_hw_op(s, IPMI_POWERCYCLE_CHASSIS, 0); break; } @@ -925,7 +935,14 @@ static void set_bmc_global_enables(IPMIBmcSim *ibs, uint8_t *cmd, unsigned int cmd_len, RspBuffer *rsp) { - set_global_enables(ibs, cmd[2]); + uint8_t val = cmd[2]; + + if (val & ~IPMI_BMC_GLOBAL_ENABLES_SUPPORTED) { + rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD); + return; + } + + set_global_enables(ibs, val); } static void get_bmc_global_enables(IPMIBmcSim *ibs, @@ -1020,8 +1037,8 @@ static void send_msg(IPMIBmcSim *ibs, uint8_t *buf; uint8_t netfn, rqLun, rsLun, rqSeq; - if (cmd[2] != 0) { - /* We only handle channel 0 with no options */ + if (cmd[2] != IPMI_CHANNEL_IPMB) { + /* We only handle channel 0h (IPMB) with no options */ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD); return; } @@ -1219,6 +1236,68 @@ static void get_watchdog_timer(IPMIBmcSim *ibs, } } +static void get_channel_info(IPMIBmcSim *ibs, + uint8_t *cmd, unsigned int cmd_len, + RspBuffer *rsp) +{ + IPMIInterface *s = ibs->parent.intf; + IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s); + IPMIFwInfo info = {}; + uint8_t ch = cmd[2] & 0x0f; + + /* Only define channel 0h (IPMB) and Fh (system interface) */ + + if (ch == 0x0e) { /* "This channel" */ + ch = IPMI_CHANNEL_SYSTEM; + } + rsp_buffer_push(rsp, ch); + + if (ch != IPMI_CHANNEL_IPMB && ch != 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); + } + + if (ch == IPMI_CHANNEL_IPMB) { + rsp_buffer_push(rsp, IPMI_CHANNEL_MEDIUM_IPMB); + rsp_buffer_push(rsp, IPMI_CHANNEL_PROTOCOL_IPMB); + } else { /* IPMI_CHANNEL_SYSTEM */ + rsp_buffer_push(rsp, IPMI_CHANNEL_MEDIUM_SYSTEM); + rsp_buffer_push(rsp, info.ipmi_channel_protocol); + } + + rsp_buffer_push(rsp, 0x00); /* Session-less */ + + /* IPMI Enterprise Number for Vendor ID */ + rsp_buffer_push(rsp, 0xf2); + rsp_buffer_push(rsp, 0x1b); + rsp_buffer_push(rsp, 0x00); + + if (ch == IPMI_CHANNEL_SYSTEM) { + uint8_t irq; + + if (info.irq_source == IPMI_ISA_IRQ) { + irq = info.interrupt_number; + } else if (info.irq_source == IPMI_PCI_IRQ) { + irq = 0x10 + info.interrupt_number; + } else { + irq = 0xff; /* no interrupt / unspecified */ + } + + /* Both interrupts use the same irq number */ + rsp_buffer_push(rsp, irq); + rsp_buffer_push(rsp, irq); + } else { + /* Reserved */ + rsp_buffer_push(rsp, 0x00); + rsp_buffer_push(rsp, 0x00); + } +} + static void get_sdr_rep_info(IPMIBmcSim *ibs, uint8_t *cmd, unsigned int cmd_len, RspBuffer *rsp) @@ -2015,6 +2094,7 @@ static const IPMICmdHandler app_cmds[] = { [IPMI_CMD_RESET_WATCHDOG_TIMER] = { reset_watchdog_timer }, [IPMI_CMD_SET_WATCHDOG_TIMER] = { set_watchdog_timer, 8 }, [IPMI_CMD_GET_WATCHDOG_TIMER] = { get_watchdog_timer }, + [IPMI_CMD_GET_CHANNEL_INFO] = { get_channel_info, 3 }, }; static const IPMINetfn app_netfn = { .cmd_nums = ARRAY_SIZE(app_cmds), @@ -2187,8 +2267,6 @@ static void ipmi_sim_realize(DeviceState *dev, Error **errp) register_cmds(ibs); ibs->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, ipmi_timeout, ibs); - - vmstate_register(NULL, 0, &vmstate_ipmi_sim, ibs); } static const Property ipmi_sim_properties[] = { @@ -2212,6 +2290,7 @@ static void ipmi_sim_class_init(ObjectClass *oc, void *data) dc->hotpluggable = false; dc->realize = ipmi_sim_realize; + dc->vmsd = &vmstate_ipmi_sim; device_class_set_props(dc, ipmi_sim_properties); bk->handle_command = ipmi_sim_handle_command; } |