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From: minyard@acm.org
To: qemu-devel@nongnu.org
Cc: Corey Minyard <cminyard@mvista.com>
Subject: [Qemu-devel] [PATCH 8/9] IPMI: Add a local BMC simulation
Date: Mon, 09 Jul 2012 14:17:08 -0500	[thread overview]
Message-ID: <1341861429-6297-9-git-send-email-minyard@acm.org> (raw)
In-Reply-To: <1341861429-6297-1-git-send-email-minyard@acm.org>

From: Corey Minyard <cminyard@mvista.com>

This provides a minimal local BMC, basically enough to comply with the
spec and provide a complete watchdog timer (including a sensor, SDR,
and event).

Signed-off-by: Corey Minyard <cminyard@mvista.com>
---
 default-configs/i386-softmmu.mak   |    1 +
 default-configs/x86_64-softmmu.mak |    1 +
 hw/Makefile.objs                   |    1 +
 hw/ipmi_sim.c                      | 1273 ++++++++++++++++++++++++++++++++++++
 hw/ipmi_sim.h                      |  270 ++++++++
 5 files changed, 1546 insertions(+), 0 deletions(-)
 create mode 100644 hw/ipmi_sim.c
 create mode 100644 hw/ipmi_sim.h

diff --git a/default-configs/i386-softmmu.mak b/default-configs/i386-softmmu.mak
index f8f8e6d..8c99d5d 100644
--- a/default-configs/i386-softmmu.mak
+++ b/default-configs/i386-softmmu.mak
@@ -11,6 +11,7 @@ CONFIG_IPMI=y
 CONFIG_ISA_IPMI=y
 CONFIG_IPMI_KCS=y
 CONFIG_IPMI_BT=y
+CONFIG_IPMI_LOCAL=y
 CONFIG_SERIAL=y
 CONFIG_PARALLEL=y
 CONFIG_I8254=y
diff --git a/default-configs/x86_64-softmmu.mak b/default-configs/x86_64-softmmu.mak
index 8c1177d..4d01883 100644
--- a/default-configs/x86_64-softmmu.mak
+++ b/default-configs/x86_64-softmmu.mak
@@ -11,6 +11,7 @@ CONFIG_IPMI=y
 CONFIG_ISA_IPMI=y
 CONFIG_IPMI_KCS=y
 CONFIG_IPMI_BT=y
+CONFIG_IPMI_LOCAL=y
 CONFIG_SERIAL=y
 CONFIG_PARALLEL=y
 CONFIG_I8254=y
diff --git a/hw/Makefile.objs b/hw/Makefile.objs
index e1d30cc..193227d 100644
--- a/hw/Makefile.objs
+++ b/hw/Makefile.objs
@@ -24,6 +24,7 @@ hw-obj-$(CONFIG_IPMI) += ipmi.o
 hw-obj-$(CONFIG_ISA_IPMI) += isa_ipmi.o
 hw-obj-$(CONFIG_IPMI_KCS) += ipmi_kcs.o
 hw-obj-$(CONFIG_IPMI_BT) += ipmi_bt.o
+hw-obj-$(CONFIG_IPMI_LOCAL) += ipmi_sim.o
 
 hw-obj-$(CONFIG_SERIAL) += serial.o
 hw-obj-$(CONFIG_PARALLEL) += parallel.o
diff --git a/hw/ipmi_sim.c b/hw/ipmi_sim.c
new file mode 100644
index 0000000..6813a86
--- /dev/null
+++ b/hw/ipmi_sim.c
@@ -0,0 +1,1273 @@
+/*
+ * IPMI BMC emulation
+ *
+ * Copyright (c) 2012 Corey Minyard, MontaVista Software, LLC
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include "ipmi_sim.h"
+
+static void ipmi_sim_handle_timeout(IPMIState *s);
+
+static void ipmi_gettime(struct ipmi_time *time)
+{
+    int64_t stime;
+
+    stime = get_clock_realtime();
+    time->tv_sec = stime / 1000000000LL;
+    time->tv_nsec = stime % 1000000000LL;
+}
+
+static int64_t ipmi_getmonotime(void)
+{
+    return qemu_get_clock_ns(vm_clock);
+}
+
+static void ipmi_timeout(void *opaque)
+{
+    IPMIState *s = opaque;
+
+    ipmi_sim_handle_timeout(s);
+}
+
+static void set_timestamp(IPMISimState *ss, uint8_t *ts)
+{
+    unsigned int val;
+    struct ipmi_time now;
+
+    ipmi_gettime(&now);
+    val = now.tv_sec + ss->sel.time_offset;
+    ts[0] = val & 0xff;
+    ts[1] = (val >> 8) & 0xff;
+    ts[2] = (val >> 16) & 0xff;
+    ts[3] = (val >> 24) & 0xff;
+}
+
+static void sdr_inc_reservation(IPMISdr *sdr)
+{
+    sdr->reservation++;
+    if (sdr->reservation == 0)
+	sdr->reservation = 1;
+}
+
+static int sdr_add_entry(IPMISimState *ss, const uint8_t *entry,
+			 unsigned int len, uint16_t *recid)
+{
+    if ((len < 5) || (len > 255))
+	return 1;
+
+    if (entry[ss->sdr.next_free + 4] != len)
+	return 1;
+
+    if (ss->sdr.next_free + len > MAX_SDR_SIZE) {
+	ss->sdr.overflow = 1;
+	return 1;
+    }
+
+    memcpy(ss->sdr.sdr + ss->sdr.next_free, entry, len);
+    ss->sdr.sdr[ss->sdr.next_free] = ss->sdr.next_rec_id & 0xff;
+    ss->sdr.sdr[ss->sdr.next_free+1] = (ss->sdr.next_rec_id >> 8) & 0xff;
+    ss->sdr.sdr[ss->sdr.next_free+2] = 0x51; /* Conform to IPMI 1.5 spec */
+
+    if (recid)
+	*recid = ss->sdr.next_rec_id;
+    ss->sdr.next_rec_id++;
+    set_timestamp(ss, ss->sdr.last_addition);
+    ss->sdr.next_free += len;
+    sdr_inc_reservation(&ss->sdr);
+    return 0;
+}
+
+static int sdr_find_entry(IPMISdr *sdr, uint16_t recid,
+			  unsigned int *retpos, uint16_t *nextrec)
+{
+    unsigned int pos = *retpos;
+
+    while (pos < sdr->next_free) {
+	uint16_t trec = sdr->sdr[pos] | (sdr->sdr[pos + 1] << 8);
+	unsigned int nextpos = pos + sdr->sdr[pos + 4];
+
+	if (trec == recid) {
+	    if (nextrec) {
+		if (nextpos >= sdr->next_free)
+		    *nextrec = 0xffff;
+		else
+		    *nextrec = (sdr->sdr[nextpos] |
+				(sdr->sdr[nextpos + 1] << 8));
+	    }
+	    *retpos = pos;
+	    return 0;
+	}
+	pos = nextpos;
+    }
+    return 1;
+}
+
+static void sel_inc_reservation(IPMISel *sel)
+{
+    sel->reservation++;
+    if (sel->reservation == 0)
+	sel->reservation = 1;
+}
+
+/* Returns 1 if the SEL is full and can't hold the event. */
+static int sel_add_event(IPMISimState *ss, uint8_t *event)
+{
+    event[0] = 0xff;
+    event[1] = 0xff;
+    set_timestamp(ss, event + 3);
+    if (ss->sel.next_free == MAX_SEL_SIZE) {
+	ss->sel.overflow = 1;
+	return 1;
+    }
+    event[0] = ss->sel.next_free & 0xff;
+    event[1] = (ss->sel.next_free >> 8) & 0xff;
+    memcpy(ss->sel.last_addition, event + 3, 4);
+    memcpy(ss->sel.sel[ss->sel.next_free], event, 16);
+    ss->sel.next_free++;
+    sel_inc_reservation(&ss->sel);
+    return 0;
+}
+
+static int attn_irq_enabled(IPMISimState *s)
+{
+    return (IPMI_BMC_MSG_INTS_ON(s) && IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE_SET(s))
+	|| (IPMI_BMC_EVBUF_FULL_INT_ENABLED(s) &&
+	    IPMI_BMC_MSG_FLAG_EVT_BUF_FULL_SET(s));
+}
+
+static void gen_event(IPMIState *s, unsigned int sens_num, uint8_t deassert,
+		      uint8_t evd1, uint8_t evd2, uint8_t evd3)
+{
+    IPMISimState *ss = s->ifdata;
+    uint8_t evt[16];
+    IPMISensor *sens = ss->sensors + sens_num;
+
+    if (!IPMI_BMC_EVENT_MSG_BUF_ENABLED(ss))
+	return;
+    if (!IPMI_SENSOR_GET_EVENTS_ON(sens))
+	return;
+
+    evt[2] = 0x2; /* System event record */
+    evt[7] = s->slave_addr;
+    evt[8] = 0;
+    evt[9] = 0x04; /* Format version */
+    evt[10] = sens->sensor_type;
+    evt[11] = sens_num;
+    evt[12] = sens->evt_reading_type_code | (!!deassert << 7);
+    evt[13] = evd1;
+    evt[14] = evd2;
+    evt[15] = evd3;
+
+    if (IPMI_BMC_EVENT_LOG_ENABLED(ss))
+	sel_add_event(ss, evt);
+
+    if (ss->msg_flags & IPMI_BMC_MSG_FLAG_EVT_BUF_FULL)
+	goto out;
+
+    ss->msg_flags |= IPMI_BMC_MSG_FLAG_EVT_BUF_FULL;
+    memcpy(ss->evtbuf, evt, 16);
+    if (s->set_atn &&
+		~(ss->msg_flags & IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK))
+	s->set_atn(s, 1, attn_irq_enabled(ss));
+ out:
+    return;
+}
+
+static void sensor_set_discrete_bit(IPMIState *s, unsigned int sensor,
+				    unsigned int bit, unsigned int val,
+				    uint8_t evd1, uint8_t evd2, uint8_t evd3)
+{
+    IPMISimState *ss = s->ifdata;
+    IPMISensor *sens;
+    uint16_t mask;
+
+    if (sensor >= MAX_SENSORS)
+	return;
+    if (bit >= 16)
+	return;
+
+    mask = (1 << bit);
+    sens = ss->sensors + sensor;
+    if (val) {
+	sens->states |= mask & sens->states_suppt;
+	if (sens->assert_states & mask)
+	    return; /* Already asserted */
+	sens->assert_states |= mask & sens->assert_suppt;
+	if (sens->assert_enable & mask & sens->assert_states) {
+	    /* Send an event on assert */
+	    gen_event(s, sensor, 0, evd1, evd2, evd3);
+	}
+    } else {
+	sens->states &= ~(mask & sens->states_suppt);
+	if (sens->deassert_states & mask)
+	    return; /* Already deasserted */
+	sens->deassert_states |= mask & sens->deassert_suppt;
+	if (sens->deassert_enable & mask & sens->deassert_states) {
+	    /* Send an event on deassert */
+	    gen_event(s, sensor, 1, evd1, evd2, evd3);
+	}
+    }
+}
+
+static void ipmi_init_sensors_from_sdrs(IPMISimState *s)
+{
+    unsigned int i, pos;
+    IPMISensor *sens;
+
+    for (i = 0; i < MAX_SENSORS; i++)
+	memset(s->sensors + i, 0, sizeof(*sens));
+
+    pos = 0;
+    for (i = 0; !sdr_find_entry(&s->sdr, i, &pos, NULL); i++) {
+	uint8_t *sdr = s->sdr.sdr + pos;
+	unsigned int len = sdr[4];
+
+	if (len < 20)
+	    continue;
+	if ((sdr[3] < 1) || (sdr[3] > 2))
+	    continue; /* Not a sensor SDR we set from */
+
+	if (sdr[7] > MAX_SENSORS)
+	    continue;
+	sens = s->sensors + sdr[7];
+
+	IPMI_SENSOR_SET_PRESENT(sens, 1);
+	IPMI_SENSOR_SET_SCAN_ON(sens, (sdr[10] >> 6) & 1);
+	IPMI_SENSOR_SET_EVENTS_ON(sens, (sdr[10] >> 5) & 1);
+	sens->assert_suppt = sdr[14] | (sdr[15] << 8);
+	sens->deassert_suppt = sdr[16] | (sdr[17] << 8);
+	sens->states_suppt = sdr[18] | (sdr[19] << 8);
+	sens->sensor_type = sdr[12];
+	sens->evt_reading_type_code = sdr[13] & 0x7f;
+
+	/* Enable all the events that are supported. */
+	sens->assert_enable = sens->assert_suppt;
+	sens->deassert_enable = sens->deassert_suppt;
+    }
+}
+
+int ipmi_register_netfn(IPMISimState *s, unsigned int netfn, IPMINetfn *netfnd)
+{
+    if ((netfn & 1) || (netfn > MAX_NETFNS) || (s->netfns[netfn / 2]))
+	return -1;
+    s->netfns[netfn / 2] = netfnd;
+    return 0;
+}
+
+int ipmi_register_cmd(IPMISimState *s, unsigned int netfn, unsigned int cmd,
+		      IPMICmdHandler handler)
+{
+    if ((netfn | 1) || (netfn > MAX_NETFNS) || (!s->netfns[netfn / 2]))
+	return -1;
+    if (cmd >= s->netfns[netfn / 2]->cmd_nums)
+	return -1;
+    if (s->netfns[netfn / 2]->cmd_handlers[cmd])
+	return -1;
+    s->netfns[netfn / 2]->cmd_handlers[cmd] = handler;
+    return 0;
+}
+
+static void next_timeout(IPMISimState *ss)
+{
+    int64_t next;
+    if (ss->watchdog_running) {
+	next = ss->watchdog_expiry;
+    } else {
+	/* Wait a minute */
+	next = ipmi_getmonotime() + 60 * 1000000000LL;
+    }
+    qemu_mod_timer_ns(ss->timer, next);
+}
+
+static void ipmi_sim_handle_command(IPMIState *s,
+				    uint8_t *cmd, unsigned int cmd_len,
+				    unsigned int max_cmd_len,
+				    uint8_t msg_id)
+{
+    IPMISimState *ss = s->ifdata;
+    unsigned int netfn;
+    uint8_t rsp[MAX_IPMI_MSG_SIZE];
+    unsigned int rsp_len_holder =- 0;
+    unsigned int *rsp_len = &rsp_len_holder;
+    unsigned int max_rsp_len = sizeof(rsp);
+
+    /* Set up the response, set the low bit of NETFN. */
+    /* Note that max_rsp_len must be at least 3 */
+    IPMI_ADD_RSP_DATA(cmd[0] | 0x04);
+    IPMI_ADD_RSP_DATA(cmd[1]);
+    IPMI_ADD_RSP_DATA(0); /* Assume success */
+
+    /* If it's too short or it was truncated, return an error. */
+    if (cmd_len < 2) {
+	rsp[2] = IPMI_CC_REQUEST_DATA_LENGTH_INVALID;
+	goto out;
+    }
+    if (cmd_len > max_cmd_len) {
+	rsp[2] = IPMI_CC_REQUEST_DATA_TRUNCATED;
+	goto out;
+    }
+
+    if ((cmd[0] & 0x03) != 0) {
+	/* Only have stuff on LUN 0 */
+	rsp[2] = IPMI_CC_COMMAND_INVALID_FOR_LUN;
+	goto out;
+    }
+
+    netfn = cmd[0] >> 2;
+
+    /* Odd netfns are not valid, make sure the command is registered */
+    if ((netfn & 1) || !ss->netfns[netfn / 2] ||
+			(cmd[1] >= ss->netfns[netfn / 2]->cmd_nums) ||
+			(!ss->netfns[netfn / 2]->cmd_handlers[cmd[1]])) {
+	rsp[2] = IPMI_CC_INVALID_CMD;
+	goto out;
+    }
+
+    ss->netfns[netfn / 2]->cmd_handlers[cmd[1]](s, cmd, cmd_len, rsp, rsp_len,
+						max_rsp_len);
+
+ out:
+    s->handle_rsp(s, msg_id, rsp, *rsp_len);
+
+    next_timeout(ss);
+}
+
+static void ipmi_sim_handle_timeout(IPMIState *s)
+{
+    IPMISimState *ss = s->ifdata;
+
+    if (!ss->watchdog_running)
+	goto out;
+
+    if (! ss->watchdog_preaction_ran) {
+	switch (IPMI_BMC_WATCHDOG_GET_PRE_ACTION(ss)) {
+	case IPMI_BMC_WATCHDOG_PRE_NMI:
+	    ss->msg_flags |= IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK;
+	    s->do_hw_op(s, IPMI_SEND_NMI, 0);
+	    sensor_set_discrete_bit(s, IPMI_WATCHDOG_SENSOR, 8, 1,
+				    0xc8, (2 << 4) | 0xf, 0xff);
+	    break;
+
+	case IPMI_BMC_WATCHDOG_PRE_MSG_INT:
+	    ss->msg_flags |= IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK;
+	    if (s->set_atn &&
+			 !(ss->msg_flags & IPMI_BMC_MSG_FLAG_EVT_BUF_FULL))
+		s->set_atn(s, 1, attn_irq_enabled(ss));
+	    sensor_set_discrete_bit(s, IPMI_WATCHDOG_SENSOR, 8, 1,
+				    0xc8, (3 << 4) | 0xf, 0xff);
+	    break;
+
+	default:
+	    goto do_full_expiry;
+	}
+
+	ss->watchdog_preaction_ran = 1;
+	/* Issued the pretimeout, do the rest of the timeout now. */
+	ss->watchdog_expiry = ipmi_getmonotime();
+	ss->watchdog_expiry += ss->watchdog_pretimeout * 1000000000LL;
+	goto out;
+    }
+
+ do_full_expiry:
+    ss->watchdog_running = 0; /* Stop the watchdog on a timeout */
+    ss->watchdog_expired |= (1 << IPMI_BMC_WATCHDOG_GET_USE(ss));
+    switch (IPMI_BMC_WATCHDOG_GET_ACTION(ss)) {
+    case IPMI_BMC_WATCHDOG_ACTION_NONE:
+	sensor_set_discrete_bit(s, IPMI_WATCHDOG_SENSOR, 0, 1,
+				0xc0, ss->watchdog_use & 0xf, 0xff);
+	break;
+
+    case IPMI_BMC_WATCHDOG_ACTION_RESET:
+	sensor_set_discrete_bit(s, IPMI_WATCHDOG_SENSOR, 1, 1,
+				0xc1, ss->watchdog_use & 0xf, 0xff);
+	s->do_hw_op(s, IPMI_RESET_CHASSIS, 0);
+	break;
+
+    case IPMI_BMC_WATCHDOG_ACTION_POWER_DOWN:
+	sensor_set_discrete_bit(s, IPMI_WATCHDOG_SENSOR, 2, 1,
+				0xc2, ss->watchdog_use & 0xf, 0xff);
+	s->do_hw_op(s, IPMI_POWEROFF_CHASSIS, 0);
+	break;
+
+    case IPMI_BMC_WATCHDOG_ACTION_POWER_CYCLE:
+	sensor_set_discrete_bit(s, IPMI_WATCHDOG_SENSOR, 2, 1,
+				0xc3, ss->watchdog_use & 0xf, 0xff);
+	s->do_hw_op(s, IPMI_POWERCYCLE_CHASSIS, 0);
+	break;
+    }
+
+ out:
+    next_timeout(ss);
+}
+
+static void chassis_capabilities(IPMIState *s,
+				 uint8_t *cmd, unsigned int cmd_len,
+				 uint8_t *rsp, unsigned int *rsp_len,
+				 unsigned int max_rsp_len)
+{
+    IPMI_ADD_RSP_DATA(0);
+    IPMI_ADD_RSP_DATA(s->slave_addr);
+    IPMI_ADD_RSP_DATA(s->slave_addr);
+    IPMI_ADD_RSP_DATA(s->slave_addr);
+    IPMI_ADD_RSP_DATA(s->slave_addr);
+ out:
+    return;
+}
+
+static void chassis_status(IPMIState *s,
+			   uint8_t *cmd, unsigned int cmd_len,
+			   uint8_t *rsp, unsigned int *rsp_len,
+			   unsigned int max_rsp_len)
+{
+    IPMI_ADD_RSP_DATA(0x61); /* Unknown power restore, power is on */
+    IPMI_ADD_RSP_DATA(0);
+    IPMI_ADD_RSP_DATA(0);
+    IPMI_ADD_RSP_DATA(0);
+ out:
+    return;
+}
+
+static void chassis_control(IPMIState *s,
+			    uint8_t *cmd, unsigned int cmd_len,
+			    uint8_t *rsp, unsigned int *rsp_len,
+			    unsigned int max_rsp_len)
+{
+    IPMI_CHECK_CMD_LEN(3);
+    switch (cmd[2] & 0xf) {
+    case 0: /* power down */
+	rsp[2] = s->do_hw_op(s, IPMI_POWEROFF_CHASSIS, 0);
+	break;
+    case 1: /* power up */
+	rsp[2] = s->do_hw_op(s, IPMI_POWERON_CHASSIS, 0);
+	break;
+    case 2: /* power cycle */
+	rsp[2] = s->do_hw_op(s, IPMI_POWERCYCLE_CHASSIS, 0);
+	break;
+    case 3: /* hard reset */
+	rsp[2] = s->do_hw_op(s, IPMI_RESET_CHASSIS, 0);
+	break;
+    case 4: /* pulse diagnostic interrupt */
+	rsp[2] = s->do_hw_op(s, IPMI_PULSE_DIAG_IRQ, 0);
+	break;
+    case 5: /* soft shutdown via ACPI by overtemp emulation */
+	rsp[2] = s->do_hw_op(s,
+			     IPMI_SHUTDOWN_VIA_ACPI_OVERTEMP, 0);
+	break;
+    default:
+	rsp[2] = IPMI_CC_INVALID_DATA_FIELD;
+	goto out;
+    }
+ out:
+    return;
+}
+
+static void get_device_id(IPMIState *s,
+			  uint8_t *cmd, unsigned int cmd_len,
+			  uint8_t *rsp, unsigned int *rsp_len,
+			  unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    IPMI_ADD_RSP_DATA(ss->device_id);
+    IPMI_ADD_RSP_DATA(ss->device_rev & 0xf);
+    IPMI_ADD_RSP_DATA(ss->fwrev1 & 0x7f);
+    IPMI_ADD_RSP_DATA(ss->fwrev2);
+    IPMI_ADD_RSP_DATA(ss->ipmi_version);
+    IPMI_ADD_RSP_DATA(0x07); /* sensor, SDR, and SEL. */
+    IPMI_ADD_RSP_DATA(ss->mfg_id[0]);
+    IPMI_ADD_RSP_DATA(ss->mfg_id[1]);
+    IPMI_ADD_RSP_DATA(ss->mfg_id[2]);
+    IPMI_ADD_RSP_DATA(ss->product_id[0]);
+    IPMI_ADD_RSP_DATA(ss->product_id[1]);
+ out:
+    return;
+}
+
+static void set_bmc_global_enables(IPMIState *s,
+				   uint8_t *cmd, unsigned int cmd_len,
+				   uint8_t *rsp, unsigned int *rsp_len,
+				   unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    uint8_t old_val = ss->bmc_global_enables;
+    IPMI_CHECK_CMD_LEN(3);
+    ss->bmc_global_enables = cmd[2];
+    if ((old_val & (1 << IPMI_BMC_RCV_MSG_QUEUE_INT_BIT))
+	!= (cmd[2] & (1 << IPMI_BMC_RCV_MSG_QUEUE_INT_BIT))) {
+	s->set_irq_enable(s,
+			  !!(cmd[2] & (1 << IPMI_BMC_RCV_MSG_QUEUE_INT_BIT)));
+    }
+ out:
+    return;
+}
+
+static void get_bmc_global_enables(IPMIState *s,
+				   uint8_t *cmd, unsigned int cmd_len,
+				   uint8_t *rsp, unsigned int *rsp_len,
+				   unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    IPMI_ADD_RSP_DATA(ss->bmc_global_enables);
+ out:
+    return;
+}
+
+static void clr_msg_flags(IPMIState *s,
+			  uint8_t *cmd, unsigned int cmd_len,
+			  uint8_t *rsp, unsigned int *rsp_len,
+			  unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    IPMI_CHECK_CMD_LEN(3);
+    if (cmd[2] & IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK) {
+	if (s->set_atn &&
+	    !(ss->msg_flags & IPMI_BMC_MSG_FLAG_EVT_BUF_FULL))
+	    s->set_atn(s, 0, attn_irq_enabled(ss));
+    }
+    ss->msg_flags &= ~cmd[2];
+ out:
+    return;
+}
+
+static void get_msg_flags(IPMIState *s,
+			  uint8_t *cmd, unsigned int cmd_len,
+			  uint8_t *rsp, unsigned int *rsp_len,
+			  unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    IPMI_ADD_RSP_DATA(ss->msg_flags);
+ out:
+    return;
+}
+
+static void read_evt_msg_buf(IPMIState *s,
+			     uint8_t *cmd, unsigned int cmd_len,
+			     uint8_t *rsp, unsigned int *rsp_len,
+			    unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    unsigned int i;
+
+    if (!(ss->msg_flags & IPMI_BMC_MSG_FLAG_EVT_BUF_FULL)) {
+	rsp[2] = 0x80;
+	goto out;
+    }
+    for (i = 0; i < 16; i++)
+	IPMI_ADD_RSP_DATA(ss->evtbuf[i]);
+    ss->msg_flags &= ~IPMI_BMC_MSG_FLAG_EVT_BUF_FULL;
+    if (s->set_atn &&
+	~(ss->msg_flags & IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK))
+	s->set_atn(s, 0, attn_irq_enabled(ss));
+ out:
+    return;
+}
+
+static void do_watchdog_reset(IPMISimState *ss)
+{
+    if (IPMI_BMC_WATCHDOG_GET_ACTION(ss) ==
+	IPMI_BMC_WATCHDOG_ACTION_NONE) {
+	ss->watchdog_running = 0;
+	return;
+    }
+    ss->watchdog_preaction_ran = 0;
+
+
+    /* Timeout is in tenths of a second, offset is in seconds */
+    ss->watchdog_expiry = ipmi_getmonotime();
+    ss->watchdog_expiry += ss->watchdog_timeout * 100000000LL;
+    if (IPMI_BMC_WATCHDOG_GET_PRE_ACTION(ss) != IPMI_BMC_WATCHDOG_PRE_NONE) {
+	ss->watchdog_expiry -= ss->watchdog_pretimeout * 1000000000LL;
+    }
+    ss->watchdog_running = 1;
+}
+
+static void reset_watchdog_timer(IPMIState *s,
+				 uint8_t *cmd, unsigned int cmd_len,
+				 uint8_t *rsp, unsigned int *rsp_len,
+				 unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    if (!ss->watchdog_initialized) {
+	rsp[2] = 0x80;
+	goto out;
+    }
+    do_watchdog_reset(ss);
+ out:
+    return;
+}
+
+static void set_watchdog_timer(IPMIState *s,
+			       uint8_t *cmd, unsigned int cmd_len,
+			       uint8_t *rsp, unsigned int *rsp_len,
+			       unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    unsigned int val;
+
+    IPMI_CHECK_CMD_LEN(8);
+    val = cmd[2] & 0x7; /* Validate use */
+    if (val == 0 || val > 5) {
+	rsp[2] = IPMI_CC_INVALID_DATA_FIELD;
+	goto out;
+    }
+    val = cmd[3] & 0x7; /* Validate action */
+    switch (val) {
+    case IPMI_BMC_WATCHDOG_ACTION_NONE:
+	break;
+
+    case IPMI_BMC_WATCHDOG_ACTION_RESET:
+	rsp[2] = s->do_hw_op(s, IPMI_RESET_CHASSIS, 1);
+	break;
+
+    case IPMI_BMC_WATCHDOG_ACTION_POWER_DOWN:
+	rsp[2] = s->do_hw_op(s, IPMI_POWEROFF_CHASSIS, 1);
+	break;
+
+    case IPMI_BMC_WATCHDOG_ACTION_POWER_CYCLE:
+	rsp[2] = s->do_hw_op(s, IPMI_POWERCYCLE_CHASSIS, 1);
+	break;
+
+    default:
+	rsp[2] = IPMI_CC_INVALID_DATA_FIELD;
+    }
+    if (rsp[2]) {
+	rsp[2] = IPMI_CC_INVALID_DATA_FIELD;
+	goto out;
+    }
+
+    val = (cmd[3] >> 4) & 0x7; /* Validate preaction */
+    switch (val) {
+    case IPMI_BMC_WATCHDOG_PRE_MSG_INT:
+    case IPMI_BMC_WATCHDOG_PRE_NONE:
+	break;
+
+    case IPMI_BMC_WATCHDOG_PRE_NMI:
+	if (!s->do_hw_op(s, IPMI_SEND_NMI, 1)) {
+	    /* NMI not supported. */
+	    rsp[2] = IPMI_CC_INVALID_DATA_FIELD;
+	    goto out;
+	}
+    default:
+	/* We don't support PRE_SMI */
+	rsp[2] = IPMI_CC_INVALID_DATA_FIELD;
+	goto out;
+    }
+
+    ss->watchdog_initialized = 1;
+    ss->watchdog_use = cmd[2] & IPMI_BMC_WATCHDOG_USE_MASK;
+    ss->watchdog_action = cmd[3] & IPMI_BMC_WATCHDOG_ACTION_MASK;
+    ss->watchdog_pretimeout = cmd[4];
+    ss->watchdog_expired &= ~cmd[5];
+    ss->watchdog_timeout = cmd[6] | (((uint16_t) cmd[7]) << 8);
+    if (ss->watchdog_running & IPMI_BMC_WATCHDOG_GET_DONT_STOP(ss))
+	do_watchdog_reset(ss);
+    else
+	ss->watchdog_running = 0;
+ out:
+    return;
+}
+
+static void get_watchdog_timer(IPMIState *s,
+			       uint8_t *cmd, unsigned int cmd_len,
+			       uint8_t *rsp, unsigned int *rsp_len,
+			       unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    IPMI_ADD_RSP_DATA(ss->watchdog_use);
+    IPMI_ADD_RSP_DATA(ss->watchdog_action);
+    IPMI_ADD_RSP_DATA(ss->watchdog_pretimeout);
+    IPMI_ADD_RSP_DATA(ss->watchdog_expired);
+    if (ss->watchdog_running) {
+	long timeout;
+	timeout = ((ss->watchdog_expiry - ipmi_getmonotime() + 50000000)
+		   / 100000000);
+	IPMI_ADD_RSP_DATA(timeout & 0xff);
+	IPMI_ADD_RSP_DATA((timeout >> 8) & 0xff);
+    } else {
+	IPMI_ADD_RSP_DATA(0);
+	IPMI_ADD_RSP_DATA(0);
+    }
+ out:
+    return;
+}
+
+static void get_sdr_rep_info(IPMIState *s,
+			     uint8_t *cmd, unsigned int cmd_len,
+			     uint8_t *rsp, unsigned int *rsp_len,
+			     unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    unsigned int i;
+
+    IPMI_ADD_RSP_DATA(0x51); /* Conform to IPMI 1.5 spec */
+    IPMI_ADD_RSP_DATA(ss->sdr.next_rec_id & 0xff);
+    IPMI_ADD_RSP_DATA((ss->sdr.next_rec_id >> 8) & 0xff);
+    IPMI_ADD_RSP_DATA((MAX_SDR_SIZE - ss->sdr.next_free) & 0xff);
+    IPMI_ADD_RSP_DATA(((MAX_SDR_SIZE - ss->sdr.next_free) >> 8) & 0xff);
+    for (i = 0; i < 4; i++)
+	IPMI_ADD_RSP_DATA(ss->sdr.last_addition[i]);
+    for (i = 0; i < 4; i++)
+	IPMI_ADD_RSP_DATA(ss->sdr.last_clear[i]);
+    /* Only modal support, reserve supported */
+    IPMI_ADD_RSP_DATA((ss->sdr.overflow << 7) | 0x22);
+ out:
+    return;
+}
+
+static void reserve_sdr_rep(IPMIState *s,
+			    uint8_t *cmd, unsigned int cmd_len,
+			    uint8_t *rsp, unsigned int *rsp_len,
+			    unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    IPMI_ADD_RSP_DATA(ss->sdr.reservation & 0xff);
+    IPMI_ADD_RSP_DATA((ss->sdr.reservation >> 8) & 0xff);
+ out:
+    return;
+}
+
+static void get_sdr(IPMIState *s,
+		    uint8_t *cmd, unsigned int cmd_len,
+		    uint8_t *rsp, unsigned int *rsp_len,
+		    unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    unsigned int pos;
+    uint16_t nextrec;
+
+    IPMI_CHECK_CMD_LEN(8);
+    if (cmd[6])
+	IPMI_CHECK_RESERVATION(2, ss->sdr.reservation);
+    pos = 0;
+    if (sdr_find_entry(&ss->sdr, cmd[4] | (cmd[5] << 8),
+		       &pos, &nextrec)) {
+	rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT;
+	goto out;
+    }
+    if (cmd[6] > (ss->sdr.sdr[pos + 4])) {
+	rsp[2] = IPMI_CC_PARM_OUT_OF_RANGE;
+	goto out;
+    }
+
+    IPMI_ADD_RSP_DATA(nextrec & 0xff);
+    IPMI_ADD_RSP_DATA((nextrec >> 8) & 0xff);
+
+    if (cmd[7] == 0xff)
+	cmd[7] = ss->sdr.sdr[pos + 4] - cmd[6];
+
+    if ((cmd[7] + *rsp_len) > max_rsp_len) {
+	rsp[2] = IPMI_CC_CANNOT_RETURN_REQ_NUM_BYTES;
+	goto out;
+    }
+    memcpy(rsp + *rsp_len, ss->sdr.sdr + pos + cmd[6], cmd[7]);
+    *rsp_len += cmd[7];
+ out:
+    return;
+}
+
+static void add_sdr(IPMIState *s,
+		    uint8_t *cmd, unsigned int cmd_len,
+		    uint8_t *rsp, unsigned int *rsp_len,
+		    unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    uint16_t recid;
+
+    if (sdr_add_entry(ss, cmd + 2, cmd_len - 2, &recid)) {
+	rsp[2] = IPMI_CC_INVALID_DATA_FIELD;
+	goto out;
+    }
+    IPMI_ADD_RSP_DATA(recid & 0xff);
+    IPMI_ADD_RSP_DATA((recid >> 8) & 0xff);
+ out:
+    return;
+}
+
+static void clear_sdr_rep(IPMIState *s,
+			  uint8_t *cmd, unsigned int cmd_len,
+			  uint8_t *rsp, unsigned int *rsp_len,
+			  unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    IPMI_CHECK_CMD_LEN(8);
+    IPMI_CHECK_RESERVATION(2, ss->sdr.reservation);
+    if (cmd[4] != 'C' || cmd[5] != 'L' || cmd[6] != 'R') {
+	rsp[2] = IPMI_CC_INVALID_DATA_FIELD;
+	goto out;
+    }
+    if (cmd[7] == 0xaa) {
+	ss->sdr.next_free = 0;
+	ss->sdr.overflow = 0;
+	set_timestamp(ss, ss->sdr.last_clear);
+	IPMI_ADD_RSP_DATA(1); /* Erasure complete */
+	sdr_inc_reservation(&ss->sdr);
+    } else if (cmd[7] == 0) {
+	IPMI_ADD_RSP_DATA(1); /* Erasure complete */
+    } else {
+	rsp[2] = IPMI_CC_INVALID_DATA_FIELD;
+	goto out;
+    }
+ out:
+    return;
+}
+
+static void get_sel_info(IPMIState *s,
+			 uint8_t *cmd, unsigned int cmd_len,
+			 uint8_t *rsp, unsigned int *rsp_len,
+			 unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    unsigned int i, val;
+
+    IPMI_ADD_RSP_DATA(0x51); /* Conform to IPMI 1.5 */
+    IPMI_ADD_RSP_DATA(ss->sel.next_free & 0xff);
+    IPMI_ADD_RSP_DATA((ss->sel.next_free >> 8) & 0xff);
+    val = (MAX_SEL_SIZE - ss->sel.next_free) * 16;
+    IPMI_ADD_RSP_DATA(val & 0xff);
+    IPMI_ADD_RSP_DATA((val >> 8) & 0xff);
+    for (i = 0; i < 4; i++)
+	IPMI_ADD_RSP_DATA(ss->sel.last_addition[i]);
+    for (i = 0; i < 4; i++)
+	IPMI_ADD_RSP_DATA(ss->sel.last_clear[i]);
+    /* Only support Reserve SEL */
+    IPMI_ADD_RSP_DATA((ss->sel.overflow << 7) | 0x02);
+ out:
+    return;
+}
+
+static void reserve_sel(IPMIState *s,
+			uint8_t *cmd, unsigned int cmd_len,
+			uint8_t *rsp, unsigned int *rsp_len,
+			unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    IPMI_ADD_RSP_DATA(ss->sel.reservation & 0xff);
+    IPMI_ADD_RSP_DATA((ss->sel.reservation >> 8) & 0xff);
+ out:
+    return;
+}
+
+static void get_sel_entry(IPMIState *s,
+			  uint8_t *cmd, unsigned int cmd_len,
+			  uint8_t *rsp, unsigned int *rsp_len,
+			  unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    unsigned int val;
+
+    IPMI_CHECK_CMD_LEN(8);
+    if (cmd[6])
+	IPMI_CHECK_RESERVATION(2, ss->sel.reservation);
+    if (ss->sel.next_free == 0) {
+	rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT;
+	goto out;
+    }
+    if (cmd[6] > 15) {
+	rsp[2] = IPMI_CC_INVALID_DATA_FIELD;
+	goto out;
+    }
+    if (cmd[7] == 0xff)
+	cmd[7] = 16;
+    else if ((cmd[7] + cmd[6]) > 16) {
+	rsp[2] = IPMI_CC_INVALID_DATA_FIELD;
+	goto out;
+    } else
+	cmd[7] += cmd[6];
+
+    val = cmd[4] | (cmd[5] << 8);
+    if (val == 0xffff)
+	val = ss->sel.next_free - 1;
+    else if (val >= ss->sel.next_free) {
+	rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT;
+	goto out;
+    }
+    if ((val + 1) == ss->sel.next_free) {
+	IPMI_ADD_RSP_DATA(0xff);
+	IPMI_ADD_RSP_DATA(0xff);
+    } else {
+	IPMI_ADD_RSP_DATA((val + 1) & 0xff);
+	IPMI_ADD_RSP_DATA(((val + 1) >> 8) & 0xff);
+    }
+    for (; cmd[6] < cmd[7]; cmd[6]++)
+	IPMI_ADD_RSP_DATA(ss->sel.sel[val][cmd[6]]);
+ out:
+    return;
+}
+
+static void add_sel_entry(IPMIState *s,
+			  uint8_t *cmd, unsigned int cmd_len,
+			  uint8_t *rsp, unsigned int *rsp_len,
+			  unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    IPMI_CHECK_CMD_LEN(18);
+    if (sel_add_event(ss, cmd + 2)) {
+	rsp[2] = IPMI_CC_OUT_OF_SPACE;
+	goto out;
+    }
+    /* sel_add_event fills in the record number. */
+    IPMI_ADD_RSP_DATA(cmd[2]);
+    IPMI_ADD_RSP_DATA(cmd[3]);
+ out:
+    return;
+}
+
+static void clear_sel(IPMIState *s,
+		      uint8_t *cmd, unsigned int cmd_len,
+		      uint8_t *rsp, unsigned int *rsp_len,
+		      unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    IPMI_CHECK_CMD_LEN(8);
+    IPMI_CHECK_RESERVATION(2, ss->sel.reservation);
+    if (cmd[4] != 'C' || cmd[5] != 'L' || cmd[6] != 'R') {
+	rsp[2] = IPMI_CC_INVALID_DATA_FIELD;
+	goto out;
+    }
+    if (cmd[7] == 0xaa) {
+	ss->sel.next_free = 0;
+	ss->sel.overflow = 0;
+	set_timestamp(ss, ss->sdr.last_clear);
+	IPMI_ADD_RSP_DATA(1); /* Erasure complete */
+	sel_inc_reservation(&ss->sel);
+    } else if (cmd[7] == 0) {
+	IPMI_ADD_RSP_DATA(1); /* Erasure complete */
+    } else {
+	rsp[2] = IPMI_CC_INVALID_DATA_FIELD;
+	goto out;
+    }
+ out:
+    return;
+}
+
+static void get_sel_time(IPMIState *s,
+			 uint8_t *cmd, unsigned int cmd_len,
+			 uint8_t *rsp, unsigned int *rsp_len,
+			 unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    uint32_t val;
+    struct ipmi_time now;
+
+    ipmi_gettime(&now);
+    val = now.tv_sec + ss->sel.time_offset;
+    IPMI_ADD_RSP_DATA(val & 0xff);
+    IPMI_ADD_RSP_DATA((val >> 8) & 0xff);
+    IPMI_ADD_RSP_DATA((val >> 16) & 0xff);
+    IPMI_ADD_RSP_DATA((val >> 24) & 0xff);
+ out:
+    return;
+}
+
+static void set_sel_time(IPMIState *s,
+			 uint8_t *cmd, unsigned int cmd_len,
+			 uint8_t *rsp, unsigned int *rsp_len,
+			 unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    uint32_t val;
+    struct ipmi_time now;
+
+    IPMI_CHECK_CMD_LEN(6);
+    val = cmd[2] | (cmd[3] << 8) | (cmd[4] << 16) | (cmd[5] << 24);
+    ipmi_gettime(&now);
+    ss->sel.time_offset = now.tv_sec - ((long) val);
+ out:
+    return;
+}
+
+static void set_sensor_evt_enable(IPMIState *s,
+				  uint8_t *cmd, unsigned int cmd_len,
+				  uint8_t *rsp, unsigned int *rsp_len,
+				  unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    IPMISensor *sens;
+
+    IPMI_CHECK_CMD_LEN(4);
+    if ((cmd[2] > MAX_SENSORS) ||
+	!IPMI_SENSOR_GET_PRESENT(ss->sensors + cmd[2])) {
+	rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT;
+	goto out;
+    }
+    sens = ss->sensors + cmd[2];
+    switch ((cmd[3] >> 4) & 0x3) {
+    case 0: /* Do not change */
+	break;
+    case 1: /* Enable bits */
+	if (cmd_len > 4)
+	    sens->assert_enable |= cmd[4];
+	if (cmd_len > 5)
+	    sens->assert_enable |= cmd[5] << 8;
+	if (cmd_len > 6)
+	    sens->deassert_enable |= cmd[6];
+	if (cmd_len > 7)
+	    sens->deassert_enable |= cmd[7] << 8;
+	break;
+    case 2: /* Disable bits */
+	if (cmd_len > 4)
+	    sens->assert_enable &= ~cmd[4];
+	if (cmd_len > 5)
+	    sens->assert_enable &= ~(cmd[5] << 8);
+	if (cmd_len > 6)
+	    sens->deassert_enable &= ~cmd[6];
+	if (cmd_len > 7)
+	    sens->deassert_enable &= ~(cmd[7] << 8);
+	break;
+    case 3:
+	rsp[2] = IPMI_CC_INVALID_DATA_FIELD;
+	goto out;
+    }
+    IPMI_SENSOR_SET_RET_STATUS(sens, cmd[3]);
+ out:
+    return;
+}
+
+static void get_sensor_evt_enable(IPMIState *s,
+				  uint8_t *cmd, unsigned int cmd_len,
+				  uint8_t *rsp, unsigned int *rsp_len,
+				  unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    IPMISensor *sens;
+
+    IPMI_CHECK_CMD_LEN(3);
+    if ((cmd[2] > MAX_SENSORS) ||
+	!IPMI_SENSOR_GET_PRESENT(ss->sensors + cmd[2])) {
+	rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT;
+	goto out;
+    }
+    sens = ss->sensors + cmd[2];
+    IPMI_ADD_RSP_DATA(IPMI_SENSOR_GET_RET_STATUS(sens));
+    IPMI_ADD_RSP_DATA(sens->assert_enable & 0xff);
+    IPMI_ADD_RSP_DATA((sens->assert_enable >> 8) & 0xff);
+    IPMI_ADD_RSP_DATA(sens->deassert_enable & 0xff);
+    IPMI_ADD_RSP_DATA((sens->deassert_enable >> 8) & 0xff);
+ out:
+    return;
+}
+
+static void rearm_sensor_evts(IPMIState *s,
+			      uint8_t *cmd, unsigned int cmd_len,
+			      uint8_t *rsp, unsigned int *rsp_len,
+			      unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    IPMISensor *sens;
+
+    IPMI_CHECK_CMD_LEN(4);
+    if ((cmd[2] > MAX_SENSORS) ||
+	!IPMI_SENSOR_GET_PRESENT(ss->sensors + cmd[2])) {
+	rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT;
+	goto out;
+    }
+    sens = ss->sensors + cmd[2];
+
+    if ((cmd[3] & 0x80) == 0) {
+	/* Just clear everything */
+	sens->states = 0;
+	goto out;
+    }
+ out:
+    return;
+}
+
+static void get_sensor_evt_status(IPMIState *s,
+				  uint8_t *cmd, unsigned int cmd_len,
+				  uint8_t *rsp, unsigned int *rsp_len,
+				  unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    IPMISensor *sens;
+
+    IPMI_CHECK_CMD_LEN(3);
+    if ((cmd[2] > MAX_SENSORS) ||
+	!IPMI_SENSOR_GET_PRESENT(ss->sensors + cmd[2])) {
+	rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT;
+	goto out;
+    }
+    sens = ss->sensors + cmd[2];
+    IPMI_ADD_RSP_DATA(sens->reading);
+    IPMI_ADD_RSP_DATA(IPMI_SENSOR_GET_RET_STATUS(sens));
+    IPMI_ADD_RSP_DATA(sens->assert_states & 0xff);
+    IPMI_ADD_RSP_DATA((sens->assert_states >> 8) & 0xff);
+    IPMI_ADD_RSP_DATA(sens->deassert_states & 0xff);
+    IPMI_ADD_RSP_DATA((sens->deassert_states >> 8) & 0xff);
+ out:
+    return;
+}
+
+static void get_sensor_reading(IPMIState *s,
+			       uint8_t *cmd, unsigned int cmd_len,
+			       uint8_t *rsp, unsigned int *rsp_len,
+			       unsigned int max_rsp_len)
+{
+    IPMISimState *ss = s->ifdata;
+    IPMISensor *sens;
+
+    IPMI_CHECK_CMD_LEN(3);
+    if ((cmd[2] > MAX_SENSORS) ||
+	!IPMI_SENSOR_GET_PRESENT(ss->sensors + cmd[2])) {
+	rsp[2] = IPMI_CC_REQ_ENTRY_NOT_PRESENT;
+	goto out;
+    }
+    sens = ss->sensors + cmd[2];
+    IPMI_ADD_RSP_DATA(sens->reading);
+    IPMI_ADD_RSP_DATA(IPMI_SENSOR_GET_RET_STATUS(sens));
+    IPMI_ADD_RSP_DATA(sens->states & 0xff);
+    if (IPMI_SENSOR_IS_DISCRETE(sens))
+	IPMI_ADD_RSP_DATA((sens->states >> 8) & 0xff);
+ out:
+    return;
+}
+
+static IPMICmdHandler chassis_cmds[IPMI_NETFN_CHASSIS_MAXCMD] = {
+    [IPMI_CMD_GET_CHASSIS_CAPABILITIES] = chassis_capabilities,
+    [IPMI_CMD_GET_CHASSIS_STATUS] = chassis_status,
+    [IPMI_CMD_CHASSIS_CONTROL] = chassis_control
+};
+static IPMINetfn chassis_netfn = {
+    .cmd_nums = IPMI_NETFN_CHASSIS_MAXCMD,
+    .cmd_handlers = chassis_cmds
+};
+
+static IPMICmdHandler sensor_event_cmds[IPMI_NETFN_SENSOR_EVENT_MAXCMD] = {
+    [IPMI_CMD_SET_SENSOR_EVT_ENABLE] = set_sensor_evt_enable,
+    [IPMI_CMD_GET_SENSOR_EVT_ENABLE] = get_sensor_evt_enable,
+    [IPMI_CMD_REARM_SENSOR_EVTS] = rearm_sensor_evts,
+    [IPMI_CMD_GET_SENSOR_EVT_STATUS] = get_sensor_evt_status,
+    [IPMI_CMD_GET_SENSOR_READING] = get_sensor_reading
+};
+static IPMINetfn sensor_event_netfn = {
+    .cmd_nums = IPMI_NETFN_SENSOR_EVENT_MAXCMD,
+    .cmd_handlers = sensor_event_cmds
+};
+
+static IPMICmdHandler app_cmds[IPMI_NETFN_APP_MAXCMD] = {
+    [IPMI_CMD_GET_DEVICE_ID] = get_device_id,
+    [IPMI_CMD_SET_BMC_GLOBAL_ENABLES] = set_bmc_global_enables,
+    [IPMI_CMD_GET_BMC_GLOBAL_ENABLES] = get_bmc_global_enables,
+    [IPMI_CMD_CLR_MSG_FLAGS] = clr_msg_flags,
+    [IPMI_CMD_GET_MSG_FLAGS] = get_msg_flags,
+    [IPMI_CMD_READ_EVT_MSG_BUF] = read_evt_msg_buf,
+    [IPMI_CMD_RESET_WATCHDOG_TIMER] = reset_watchdog_timer,
+    [IPMI_CMD_SET_WATCHDOG_TIMER] = set_watchdog_timer,
+    [IPMI_CMD_GET_WATCHDOG_TIMER] = get_watchdog_timer,
+};
+static IPMINetfn app_netfn = {
+    .cmd_nums = IPMI_NETFN_APP_MAXCMD,
+    .cmd_handlers = app_cmds
+};
+
+static IPMICmdHandler storage_cmds[IPMI_NETFN_STORAGE_MAXCMD] = {
+    [IPMI_CMD_GET_SDR_REP_INFO] = get_sdr_rep_info,
+    [IPMI_CMD_RESERVE_SDR_REP] = reserve_sdr_rep,
+    [IPMI_CMD_GET_SDR] = get_sdr,
+    [IPMI_CMD_ADD_SDR] = add_sdr,
+    [IPMI_CMD_CLEAR_SDR_REP] = clear_sdr_rep,
+    [IPMI_CMD_GET_SEL_INFO] = get_sel_info,
+    [IPMI_CMD_RESERVE_SEL] = reserve_sel,
+    [IPMI_CMD_GET_SEL_ENTRY] = get_sel_entry,
+    [IPMI_CMD_ADD_SEL_ENTRY] = add_sel_entry,
+    [IPMI_CMD_CLEAR_SEL] = clear_sel,
+    [IPMI_CMD_GET_SEL_TIME] = get_sel_time,
+    [IPMI_CMD_SET_SEL_TIME] = set_sel_time,
+};
+static IPMINetfn storage_netfn = {
+    .cmd_nums = IPMI_NETFN_STORAGE_MAXCMD,
+    .cmd_handlers = storage_cmds
+};
+
+static void register_cmds(IPMISimState *s)
+{
+    ipmi_register_netfn(s, IPMI_NETFN_CHASSIS, &chassis_netfn);
+    ipmi_register_netfn(s, IPMI_NETFN_SENSOR_EVENT, &sensor_event_netfn);
+    ipmi_register_netfn(s, IPMI_NETFN_APP, &app_netfn);
+    ipmi_register_netfn(s, IPMI_NETFN_STORAGE, &storage_netfn);
+}
+
+static const uint8_t init_sdrs[] = {
+    /* Watchdog device */
+    0x00, 0x00, 0x51, 0x02,   40, 0x20, 0x00, 0x00,
+    0x23, 0x01, 0x63, 0x00, 0x23, 0x6f, 0x0f, 0x01,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xc8,
+    'W',  'a',  't',  'c',  'h',  'd',  'o',  'g',
+    /* End */
+    0xff, 0xff, 0x00, 0x00, 0x00
+};
+
+static void ipmi_sim_init(IPMIState *s)
+{
+    unsigned int i;
+    unsigned int next_recid, recid;
+    IPMISimState *ss;
+
+    ss = g_malloc0(sizeof(*ss));
+    ss->bmc_global_enables = (1 << IPMI_BMC_EVENT_LOG_BIT);
+    ss->device_id = 0x20;
+    ss->ipmi_version = 0x02; /* IPMI 2.0 */
+    for (i = 0; i < 4; i++) {
+	ss->sel.last_addition[i] = 0xff;
+	ss->sel.last_clear[i] = 0xff;
+	ss->sdr.last_addition[i] = 0xff;
+	ss->sdr.last_clear[i] = 0xff;
+    }
+
+    next_recid = 0;
+    for (i = 0;;) {
+	int len;
+	if ((i + 5) > sizeof(init_sdrs)) {
+	    ipmi_debug("Problem with recid 0x%4.4x\n", i);
+	    break;
+	}
+	len = init_sdrs[i + 4];
+	recid = init_sdrs[i] | (init_sdrs[i + 1] << 8);
+	if (recid == 0xffff)
+	    break;
+	if ((i + len) > sizeof(init_sdrs)) {
+	    ipmi_debug("Problem with recid 0x%4.4x\n", i);
+	    break;
+	}
+	if (recid != next_recid) {
+	    ipmi_debug("Problem with recid 0x%4.4x\n", i);
+	    break;
+	}
+	sdr_add_entry(ss, init_sdrs + i, len, NULL);
+	i += len;
+    }
+
+    ipmi_init_sensors_from_sdrs(ss);
+    register_cmds(ss);
+
+    s->ifdata = ss;
+    s->handle_command = ipmi_sim_handle_command;
+
+    ss->timer = qemu_new_timer_ns(vm_clock, ipmi_timeout, s);
+}
+
+static void ipmi_sim_register_types(void)
+{
+    register_ipmi_sim(IPMI_SIM_INTERNAL, ipmi_sim_init);
+}
+
+type_init(ipmi_sim_register_types)
diff --git a/hw/ipmi_sim.h b/hw/ipmi_sim.h
new file mode 100644
index 0000000..498036e
--- /dev/null
+++ b/hw/ipmi_sim.h
@@ -0,0 +1,270 @@
+/*
+ * IPMI BMC emulation
+ *
+ * Copyright (c) 2012 Corey Minyard, MontaVista Software, LLC
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef HW_IPMI_SIM_H
+#define HW_IPMI_SIM_H
+
+#include <stdint.h>
+#include "qemu-timer.h"
+#include "ipmi.h"
+
+#define IPMI_NETFN_CHASSIS	0x00
+#define IPMI_NETFN_CHASSIS_MAXCMD	0x03
+
+#define IPMI_CMD_GET_CHASSIS_CAPABILITIES	0x00
+#define IPMI_CMD_GET_CHASSIS_STATUS		0x01
+#define IPMI_CMD_CHASSIS_CONTROL		0x02
+
+#define IPMI_NETFN_SENSOR_EVENT	0x04
+#define IPMI_NETFN_SENSOR_EVENT_MAXCMD	0x2e
+
+#define IPMI_CMD_SET_SENSOR_EVT_ENABLE	0x28
+#define IPMI_CMD_GET_SENSOR_EVT_ENABLE	0x29
+#define IPMI_CMD_REARM_SENSOR_EVTS	0x2a
+#define IPMI_CMD_GET_SENSOR_EVT_STATUS	0x2b
+#define IPMI_CMD_GET_SENSOR_READING	0x2d
+
+/* #define IPMI_NETFN_APP		0x06 In ipmi.h */
+#define IPMI_NETFN_APP_MAXCMD		0x36
+
+#define IPMI_CMD_GET_DEVICE_ID		0x01
+#define IPMI_CMD_RESET_WATCHDOG_TIMER	0x22
+#define IPMI_CMD_SET_WATCHDOG_TIMER	0x24
+#define IPMI_CMD_GET_WATCHDOG_TIMER	0x25
+#define IPMI_CMD_SET_BMC_GLOBAL_ENABLES	0x2e
+#define IPMI_CMD_GET_BMC_GLOBAL_ENABLES	0x2f
+#define IPMI_CMD_CLR_MSG_FLAGS		0x30
+#define IPMI_CMD_GET_MSG_FLAGS		0x31
+#define IPMI_CMD_READ_EVT_MSG_BUF	0x35
+
+#define IPMI_NETFN_STORAGE	0x0a
+#define IPMI_NETFN_STORAGE_MAXCMD	0x4a
+
+#define IPMI_CMD_GET_SDR_REP_INFO	0x20
+#define IPMI_CMD_GET_SDR_REP_ALLOC_INFO	0x21
+#define IPMI_CMD_RESERVE_SDR_REP	0x22
+#define IPMI_CMD_GET_SDR		0x23
+#define IPMI_CMD_ADD_SDR		0x24
+#define IPMI_CMD_PARTIAL_ADD_SDR	0x25
+#define IPMI_CMD_DELETE_SDR		0x26
+#define IPMI_CMD_CLEAR_SDR_REP		0x27
+#define IPMI_CMD_GET_SDR_REP_TIME	0x28
+#define IPMI_CMD_SET_SDR_REP_TIME	0x29
+#define IPMI_CMD_ENTER_SDR_REP_UPD_MODE	0x2A
+#define IPMI_CMD_EXIT_SDR_REP_UPD_MODE	0x2B
+#define IPMI_CMD_RUN_INIT_AGENT		0x2C
+#define IPMI_CMD_GET_SEL_INFO		0x40
+#define IPMI_CMD_GET_SEL_ALLOC_INFO	0x41
+#define IPMI_CMD_RESERVE_SEL		0x42
+#define IPMI_CMD_GET_SEL_ENTRY		0x43
+#define IPMI_CMD_ADD_SEL_ENTRY		0x44
+#define IPMI_CMD_PARTIAL_ADD_SEL_ENTRY	0x45
+#define IPMI_CMD_DELETE_SEL_ENTRY	0x46
+#define IPMI_CMD_CLEAR_SEL		0x47
+#define IPMI_CMD_GET_SEL_TIME		0x48
+#define IPMI_CMD_SET_SEL_TIME		0x49
+
+
+/* Same as a timespec struct. */
+struct ipmi_time
+{
+    long tv_sec;
+    long tv_nsec;
+};
+
+#define MAX_SEL_SIZE 128
+
+typedef struct IPMISel {
+    uint8_t sel[MAX_SEL_SIZE][16];
+    unsigned int next_free;
+    long time_offset;
+    uint16_t reservation;
+    uint8_t last_addition[4];
+    uint8_t last_clear[4];
+    uint8_t overflow;
+} IPMISel;
+
+#define MAX_SDR_SIZE 16384
+
+typedef struct IPMISdr {
+    uint8_t sdr[MAX_SDR_SIZE];
+    unsigned int next_free;
+    uint16_t next_rec_id;
+    uint16_t reservation;
+    uint8_t last_addition[4];
+    uint8_t last_clear[4];
+    uint8_t overflow;
+} IPMISdr;
+
+typedef struct IPMISensor {
+    uint8_t status;
+    uint8_t reading;
+    uint16_t states_suppt;
+    uint16_t assert_suppt;
+    uint16_t deassert_suppt;
+    uint16_t states;
+    uint16_t assert_states;
+    uint16_t deassert_states;
+    uint16_t assert_enable;
+    uint16_t deassert_enable;
+    uint8_t  sensor_type;
+    uint8_t  evt_reading_type_code;
+} IPMISensor;
+#define IPMI_SENSOR_GET_PRESENT(s) ((s)->status & 0x01)
+#define IPMI_SENSOR_SET_PRESENT(s,v) ((s)->status = (s->status & ~0x01) | \
+				      !!(v))
+#define IPMI_SENSOR_GET_SCAN_ON(s) ((s)->status & 0x40)
+#define IPMI_SENSOR_SET_SCAN_ON(s,v) ((s)->status = (s->status & ~0x40) | \
+				       ((!!(v)) << 6))
+#define IPMI_SENSOR_GET_EVENTS_ON(s) ((s)->status & 0x80)
+#define IPMI_SENSOR_SET_EVENTS_ON(s,v) ((s)->status = (s->status & ~0x80) | \
+				       ((!!(v)) << 7))
+#define IPMI_SENSOR_GET_RET_STATUS(s) ((s)->status & 0xc0)
+#define IPMI_SENSOR_SET_RET_STATUS(s,v) ((s)->status = (s->status & ~0xc0) | \
+					 (v & 0xc0))
+#define IPMI_SENSOR_IS_DISCRETE(s) ((s)->evt_reading_type_code != 1)
+
+#define MAX_SENSORS 20
+#define IPMI_WATCHDOG_SENSOR 0
+
+typedef struct IPMISimState IPMISimState;
+
+#define MAX_NETFNS 64
+typedef void (*IPMICmdHandler)(IPMIState *s,
+			       uint8_t *cmd, unsigned int cmd_len,
+			       uint8_t *rsp, unsigned int *rsp_len,
+			       unsigned int max_rsp_len);
+typedef struct IPMINetfn {
+    unsigned int cmd_nums;
+    IPMICmdHandler *cmd_handlers;
+} IPMINetfn;
+
+struct IPMISimState {
+    QEMUTimer *timer;
+
+    uint8_t bmc_global_enables;
+    uint8_t msg_flags;
+
+    int8_t   watchdog_initialized;
+    uint8_t  watchdog_use;
+    uint8_t  watchdog_action;
+    uint8_t  watchdog_pretimeout; /* In seconds */
+    uint8_t  watchdog_expired;
+    uint16_t watchdog_timeout; /* in 100's of milliseconds */
+
+    int8_t   watchdog_running;
+    int8_t   watchdog_preaction_ran;
+    int64_t  watchdog_expiry;
+
+    uint8_t device_id;
+    uint8_t ipmi_version;
+    uint8_t device_rev;
+    uint8_t fwrev1;
+    uint8_t fwrev2;
+    uint8_t mfg_id[3];
+    uint8_t product_id[2];
+
+    IPMISel sel;
+    IPMISdr sdr;
+    IPMISensor sensors[MAX_SENSORS];
+
+    /* Odd netfns are for responses, so we only need the even ones. */
+    IPMINetfn *netfns[MAX_NETFNS / 2];
+
+    /* We allow one event in the buffer */
+    uint8_t evtbuf[16];
+};
+
+#define IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK	(1 << 3)
+#define IPMI_BMC_MSG_FLAG_EVT_BUF_FULL		(1 << 1)
+#define IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE		(1 << 0)
+#define IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK_SET(s) \
+    (IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK & (s)->msg_flags)
+#define IPMI_BMC_MSG_FLAG_EVT_BUF_FULL_SET(s) \
+    (IPMI_BMC_MSG_FLAG_EVT_BUF_FULL & (s)->msg_flags)
+#define IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE_SET(s) \
+    (IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE & (s)->msg_flags)
+
+#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
+#define IPMI_BMC_EVENT_LOG_BIT		3
+#define IPMI_BMC_MSG_INTS_ON(s) ((s)->bmc_global_enables & \
+				 (1 << IPMI_BMC_RCV_MSG_QUEUE_INT_BIT))
+#define IPMI_BMC_EVBUF_FULL_INT_ENABLED(s) ((s)->bmc_global_enables & \
+					(1 << IPMI_BMC_EVBUF_FULL_INT_BIT))
+#define IPMI_BMC_EVENT_LOG_ENABLED(s) ((s)->bmc_global_enables & \
+				       (1 << IPMI_BMC_EVENT_LOG_BIT))
+#define IPMI_BMC_EVENT_MSG_BUF_ENABLED(s) ((s)->bmc_global_enables & \
+					   (1 << IPMI_BMC_EVENT_MSG_BUF_BIT))
+
+#define IPMI_BMC_WATCHDOG_USE_MASK 0xc7
+#define IPMI_BMC_WATCHDOG_ACTION_MASK 0x77
+#define IPMI_BMC_WATCHDOG_GET_USE(s) ((s)->watchdog_use & 0x7)
+#define IPMI_BMC_WATCHDOG_GET_DONT_LOG(s) (((s)->watchdog_use >> 7) & 0x1)
+#define IPMI_BMC_WATCHDOG_GET_DONT_STOP(s) (((s)->watchdog_use >> 6) & 0x1)
+#define IPMI_BMC_WATCHDOG_GET_PRE_ACTION(s) (((s)->watchdog_action >> 4) & 0x7)
+#define IPMI_BMC_WATCHDOG_PRE_NONE		0
+#define IPMI_BMC_WATCHDOG_PRE_SMI		1
+#define IPMI_BMC_WATCHDOG_PRE_NMI		2
+#define IPMI_BMC_WATCHDOG_PRE_MSG_INT		3
+#define IPMI_BMC_WATCHDOG_GET_ACTION(s) ((s)->watchdog_action & 0x7)
+#define IPMI_BMC_WATCHDOG_ACTION_NONE		0
+#define IPMI_BMC_WATCHDOG_ACTION_RESET		1
+#define IPMI_BMC_WATCHDOG_ACTION_POWER_DOWN	2
+#define IPMI_BMC_WATCHDOG_ACTION_POWER_CYCLE	3
+
+
+int ipmi_register_netfn(IPMISimState *s, unsigned int netfn, IPMINetfn *netfnd);
+int ipmi_register_cmd(IPMISimState *s, unsigned int netfn, unsigned int cmd,
+		      IPMICmdHandler handler);
+
+/* Add a byte to the response. */
+#define IPMI_ADD_RSP_DATA(b) \
+    do {						\
+	if (*rsp_len >= max_rsp_len) {			\
+	    rsp[2] = IPMI_CC_REQUEST_DATA_TRUNCATED;	\
+	    goto out;					\
+	}						\
+	rsp[(*rsp_len)++] = (b);			\
+    } while(0)
+
+/* Verify that the received command is a certain length. */
+#define IPMI_CHECK_CMD_LEN(l) \
+    if (cmd_len < l) { \
+	rsp[2] = IPMI_CC_REQUEST_DATA_LENGTH_INVALID; \
+	goto out; \
+    }
+
+/* Check that the reservation in the command is valid. */
+#define IPMI_CHECK_RESERVATION(off, r)					\
+    do {								\
+	if ((cmd[off] | (cmd[off + 1] << 8)) != r) {			\
+	    rsp[2] = IPMI_CC_INVALID_RESERVATION;			\
+	    goto out;							\
+	}								\
+    } while(0)
+
+
+#endif
-- 
1.7.4.1

  parent reply	other threads:[~2012-07-09 19:17 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-07-09 19:17 [Qemu-devel] First shot at adding IPMI to qemu minyard
2012-07-09 19:17 ` [Qemu-devel] [PATCH 1/9] smbios: Add a function to directly add an entry minyard
2012-07-09 19:17 ` [Qemu-devel] [PATCH 2/9] pc: move SMBIOS setup to after device init minyard
2012-07-09 19:17 ` [Qemu-devel] [PATCH 3/9] isa: Add a way to query for a free interrupt minyard
2012-07-10  9:16   ` Paolo Bonzini
2012-07-09 19:17 ` [Qemu-devel] [PATCH 4/9] Add a base IPMI interface minyard
2012-07-10  9:17   ` Daniel P. Berrange
2012-07-10 11:12     ` Markus Armbruster
2012-07-10 16:19     ` Corey Minyard
2012-07-10  9:29   ` Paolo Bonzini
2012-07-09 19:17 ` [Qemu-devel] [PATCH 5/9] IPMI: Add a PC ISA type structure minyard
2012-07-10  9:17   ` Paolo Bonzini
2012-07-10  9:33   ` Paolo Bonzini
2012-07-10 20:00     ` Corey Minyard
2012-07-09 19:17 ` [Qemu-devel] [PATCH 6/9] IPMI: Add a KCS low-level interface minyard
2012-07-09 19:17 ` [Qemu-devel] [PATCH 7/9] IPMI: Add a BT " minyard
2012-07-09 19:17 ` minyard [this message]
2012-07-09 19:17 ` [Qemu-devel] [PATCH 9/9] IPMI: Add an external connection simulation interface minyard
2012-07-10  9:35 ` [Qemu-devel] First shot at adding IPMI to qemu Paolo Bonzini
2012-07-10 15:43   ` Corey Minyard

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