--- /dev/null
+/*
+ * IPMI BMC emulation
+ *
+ * Copyright (c) 2015 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 "qemu/osdep.h"
+#include "sysemu/sysemu.h"
+#include "qemu/timer.h"
+#include "hw/ipmi/ipmi.h"
+#include "qemu/error-report.h"
+
+#define IPMI_NETFN_CHASSIS 0x00
+
+#define IPMI_CMD_GET_CHASSIS_CAPABILITIES 0x00
+#define IPMI_CMD_GET_CHASSIS_STATUS 0x01
+#define IPMI_CMD_CHASSIS_CONTROL 0x02
+#define IPMI_CMD_GET_SYS_RESTART_CAUSE 0x09
+
+#define IPMI_NETFN_SENSOR_EVENT 0x04
+
+#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_CMD_SET_SENSOR_TYPE 0x2e
+#define IPMI_CMD_GET_SENSOR_TYPE 0x2f
+
+/* #define IPMI_NETFN_APP 0x06 In ipmi.h */
+
+#define IPMI_CMD_GET_DEVICE_ID 0x01
+#define IPMI_CMD_COLD_RESET 0x02
+#define IPMI_CMD_WARM_RESET 0x03
+#define IPMI_CMD_SET_ACPI_POWER_STATE 0x06
+#define IPMI_CMD_GET_ACPI_POWER_STATE 0x07
+#define IPMI_CMD_GET_DEVICE_GUID 0x08
+#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_GET_MSG 0x33
+#define IPMI_CMD_SEND_MSG 0x34
+#define IPMI_CMD_READ_EVT_MSG_BUF 0x35
+
+#define IPMI_NETFN_STORAGE 0x0a
+
+#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 IPMIBmcSim IPMIBmcSim;
+typedef struct RspBuffer RspBuffer;
+
+#define MAX_NETFNS 64
+
+typedef struct IPMICmdHandler {
+ void (*cmd_handler)(IPMIBmcSim *s,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp);
+ unsigned int cmd_len_min;
+} IPMICmdHandler;
+
+typedef struct IPMINetfn {
+ unsigned int cmd_nums;
+ const IPMICmdHandler *cmd_handlers;
+} IPMINetfn;
+
+typedef struct IPMIRcvBufEntry {
+ QTAILQ_ENTRY(IPMIRcvBufEntry) entry;
+ uint8_t len;
+ uint8_t buf[MAX_IPMI_MSG_SIZE];
+} IPMIRcvBufEntry;
+
+#define TYPE_IPMI_BMC_SIMULATOR "ipmi-bmc-sim"
+#define IPMI_BMC_SIMULATOR(obj) OBJECT_CHECK(IPMIBmcSim, (obj), \
+ TYPE_IPMI_BMC_SIMULATOR)
+struct IPMIBmcSim {
+ IPMIBmc parent;
+
+ QEMUTimer *timer;
+
+ uint8_t bmc_global_enables;
+ uint8_t msg_flags;
+
+ bool watchdog_initialized;
+ uint8_t watchdog_use;
+ uint8_t watchdog_action;
+ uint8_t watchdog_pretimeout; /* In seconds */
+ bool watchdog_expired;
+ uint16_t watchdog_timeout; /* in 100's of milliseconds */
+
+ bool watchdog_running;
+ bool 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];
+
+ uint8_t restart_cause;
+
+ uint8_t acpi_power_state[2];
+ uint8_t uuid[16];
+
+ IPMISel sel;
+ IPMISdr sdr;
+ IPMISensor sensors[MAX_SENSORS];
+
+ /* Odd netfns are for responses, so we only need the even ones. */
+ const IPMINetfn *netfns[MAX_NETFNS / 2];
+
+ QemuMutex lock;
+ /* We allow one event in the buffer */
+ uint8_t evtbuf[16];
+
+ QTAILQ_HEAD(, IPMIRcvBufEntry) rcvbufs;
+};
+
+#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
+
+struct RspBuffer {
+ uint8_t buffer[MAX_IPMI_MSG_SIZE];
+ unsigned int len;
+};
+
+#define RSP_BUFFER_INITIALIZER { }
+
+static inline void rsp_buffer_set_error(RspBuffer *rsp, uint8_t byte)
+{
+ rsp->buffer[2] = byte;
+}
+
+/* Add a byte to the response. */
+static inline void rsp_buffer_push(RspBuffer *rsp, uint8_t byte)
+{
+ if (rsp->len >= sizeof(rsp->buffer)) {
+ rsp_buffer_set_error(rsp, IPMI_CC_REQUEST_DATA_TRUNCATED);
+ return;
+ }
+ rsp->buffer[rsp->len++] = byte;
+}
+
+static inline void rsp_buffer_pushmore(RspBuffer *rsp, uint8_t *bytes,
+ unsigned int n)
+{
+ if (rsp->len + n >= sizeof(rsp->buffer)) {
+ rsp_buffer_set_error(rsp, IPMI_CC_REQUEST_DATA_TRUNCATED);
+ return;
+ }
+
+ memcpy(&rsp->buffer[rsp->len], bytes, n);
+ rsp->len += n;
+}
+
+static void ipmi_sim_handle_timeout(IPMIBmcSim *ibs);
+
+static void ipmi_gettime(struct ipmi_time *time)
+{
+ int64_t stime;
+
+ stime = qemu_clock_get_ns(QEMU_CLOCK_HOST);
+ time->tv_sec = stime / 1000000000LL;
+ time->tv_nsec = stime % 1000000000LL;
+}
+
+static int64_t ipmi_getmonotime(void)
+{
+ return qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL);
+}
+
+static void ipmi_timeout(void *opaque)
+{
+ IPMIBmcSim *ibs = opaque;
+
+ ipmi_sim_handle_timeout(ibs);
+}
+
+static void set_timestamp(IPMIBmcSim *ibs, uint8_t *ts)
+{
+ unsigned int val;
+ struct ipmi_time now;
+
+ ipmi_gettime(&now);
+ val = now.tv_sec + ibs->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(IPMIBmcSim *ibs,
+ const struct ipmi_sdr_header *sdrh_entry,
+ unsigned int len, uint16_t *recid)
+{
+ struct ipmi_sdr_header *sdrh =
+ (struct ipmi_sdr_header *) &ibs->sdr.sdr[ibs->sdr.next_free];
+
+ if ((len < IPMI_SDR_HEADER_SIZE) || (len > 255)) {
+ return 1;
+ }
+
+ if (ipmi_sdr_length(sdrh_entry) != len) {
+ return 1;
+ }
+
+ if (ibs->sdr.next_free + len > MAX_SDR_SIZE) {
+ ibs->sdr.overflow = 1;
+ return 1;
+ }
+
+ memcpy(sdrh, sdrh_entry, len);
+ sdrh->rec_id[0] = ibs->sdr.next_rec_id & 0xff;
+ sdrh->rec_id[1] = (ibs->sdr.next_rec_id >> 8) & 0xff;
+ sdrh->sdr_version = 0x51; /* Conform to IPMI 1.5 spec */
+
+ if (recid) {
+ *recid = ibs->sdr.next_rec_id;
+ }
+ ibs->sdr.next_rec_id++;
+ set_timestamp(ibs, ibs->sdr.last_addition);
+ ibs->sdr.next_free += len;
+ sdr_inc_reservation(&ibs->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) {
+ struct ipmi_sdr_header *sdrh =
+ (struct ipmi_sdr_header *) &sdr->sdr[pos];
+ uint16_t trec = ipmi_sdr_recid(sdrh);
+ unsigned int nextpos = pos + ipmi_sdr_length(sdrh);
+
+ 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(IPMIBmcSim *ibs, uint8_t *event)
+{
+ event[0] = 0xff;
+ event[1] = 0xff;
+ set_timestamp(ibs, event + 3);
+ if (ibs->sel.next_free == MAX_SEL_SIZE) {
+ ibs->sel.overflow = 1;
+ return 1;
+ }
+ event[0] = ibs->sel.next_free & 0xff;
+ event[1] = (ibs->sel.next_free >> 8) & 0xff;
+ memcpy(ibs->sel.last_addition, event + 3, 4);
+ memcpy(ibs->sel.sel[ibs->sel.next_free], event, 16);
+ ibs->sel.next_free++;
+ sel_inc_reservation(&ibs->sel);
+ return 0;
+}
+
+static int attn_set(IPMIBmcSim *ibs)
+{
+ return IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE_SET(ibs)
+ || IPMI_BMC_MSG_FLAG_EVT_BUF_FULL_SET(ibs)
+ || IPMI_BMC_MSG_FLAG_WATCHDOG_TIMEOUT_MASK_SET(ibs);
+}
+
+static int attn_irq_enabled(IPMIBmcSim *ibs)
+{
+ return (IPMI_BMC_MSG_INTS_ON(ibs) && IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE_SET(ibs))
+ || (IPMI_BMC_EVBUF_FULL_INT_ENABLED(ibs) &&
+ IPMI_BMC_MSG_FLAG_EVT_BUF_FULL_SET(ibs));
+}
+
+static void gen_event(IPMIBmcSim *ibs, unsigned int sens_num, uint8_t deassert,
+ uint8_t evd1, uint8_t evd2, uint8_t evd3)
+{
+ IPMIInterface *s = ibs->parent.intf;
+ IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
+ uint8_t evt[16];
+ IPMISensor *sens = ibs->sensors + sens_num;
+
+ if (!IPMI_BMC_EVENT_MSG_BUF_ENABLED(ibs)) {
+ return;
+ }
+ if (!IPMI_SENSOR_GET_EVENTS_ON(sens)) {
+ return;
+ }
+
+ evt[2] = 0x2; /* System event record */
+ evt[7] = ibs->parent.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(ibs)) {
+ sel_add_event(ibs, evt);
+ }
+
+ if (ibs->msg_flags & IPMI_BMC_MSG_FLAG_EVT_BUF_FULL) {
+ return;
+ }
+
+ memcpy(ibs->evtbuf, evt, 16);
+ ibs->msg_flags |= IPMI_BMC_MSG_FLAG_EVT_BUF_FULL;
+ k->set_atn(s, 1, attn_irq_enabled(ibs));
+}
+
+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)
+{
+ IPMISensor *sens;
+ uint16_t mask;
+
+ if (sensor >= MAX_SENSORS) {
+ return;
+ }
+ if (bit >= 16) {
+ return;
+ }
+
+ mask = (1 << bit);
+ sens = ibs->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(ibs, 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(ibs, sensor, 1, evd1, evd2, evd3);
+ }
+ }
+}
+
+static void ipmi_init_sensors_from_sdrs(IPMIBmcSim *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++) {
+ struct ipmi_sdr_compact *sdr =
+ (struct ipmi_sdr_compact *) &s->sdr.sdr[pos];
+ unsigned int len = sdr->header.rec_length;
+
+ if (len < 20) {
+ continue;
+ }
+ if (sdr->header.rec_type != IPMI_SDR_COMPACT_TYPE) {
+ continue; /* Not a sensor SDR we set from */
+ }
+
+ if (sdr->sensor_owner_number >= MAX_SENSORS) {
+ continue;
+ }
+ sens = s->sensors + sdr->sensor_owner_number;
+
+ IPMI_SENSOR_SET_PRESENT(sens, 1);
+ IPMI_SENSOR_SET_SCAN_ON(sens, (sdr->sensor_init >> 6) & 1);
+ IPMI_SENSOR_SET_EVENTS_ON(sens, (sdr->sensor_init >> 5) & 1);
+ sens->assert_suppt = sdr->assert_mask[0] | (sdr->assert_mask[1] << 8);
+ sens->deassert_suppt =
+ sdr->deassert_mask[0] | (sdr->deassert_mask[1] << 8);
+ sens->states_suppt =
+ sdr->discrete_mask[0] | (sdr->discrete_mask[1] << 8);
+ sens->sensor_type = sdr->sensor_type;
+ sens->evt_reading_type_code = sdr->reading_type & 0x7f;
+
+ /* Enable all the events that are supported. */
+ sens->assert_enable = sens->assert_suppt;
+ sens->deassert_enable = sens->deassert_suppt;
+ }
+}
+
+static int ipmi_register_netfn(IPMIBmcSim *s, unsigned int netfn,
+ const IPMINetfn *netfnd)
+{
+ if ((netfn & 1) || (netfn >= MAX_NETFNS) || (s->netfns[netfn / 2])) {
+ return -1;
+ }
+ s->netfns[netfn / 2] = netfnd;
+ return 0;
+}
+
+static const IPMICmdHandler *ipmi_get_handler(IPMIBmcSim *ibs,
+ unsigned int netfn,
+ unsigned int cmd)
+{
+ const IPMICmdHandler *hdl;
+
+ if (netfn & 1 || netfn >= MAX_NETFNS || !ibs->netfns[netfn / 2]) {
+ return NULL;
+ }
+
+ if (cmd >= ibs->netfns[netfn / 2]->cmd_nums) {
+ return NULL;
+ }
+
+ hdl = &ibs->netfns[netfn / 2]->cmd_handlers[cmd];
+ if (!hdl->cmd_handler) {
+ return NULL;
+ }
+
+ return hdl;
+}
+
+static void next_timeout(IPMIBmcSim *ibs)
+{
+ int64_t next;
+ if (ibs->watchdog_running) {
+ next = ibs->watchdog_expiry;
+ } else {
+ /* Wait a minute */
+ next = ipmi_getmonotime() + 60 * 1000000000LL;
+ }
+ timer_mod_ns(ibs->timer, next);
+}
+
+static void ipmi_sim_handle_command(IPMIBmc *b,
+ uint8_t *cmd, unsigned int cmd_len,
+ unsigned int max_cmd_len,
+ uint8_t msg_id)
+{
+ IPMIBmcSim *ibs = IPMI_BMC_SIMULATOR(b);
+ IPMIInterface *s = ibs->parent.intf;
+ IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
+ const IPMICmdHandler *hdl;
+ RspBuffer rsp = RSP_BUFFER_INITIALIZER;
+
+ /* Set up the response, set the low bit of NETFN. */
+ /* Note that max_rsp_len must be at least 3 */
+ if (sizeof(rsp.buffer) < 3) {
+ rsp_buffer_set_error(&rsp, IPMI_CC_REQUEST_DATA_TRUNCATED);
+ goto out;
+ }
+
+ rsp_buffer_push(&rsp, cmd[0] | 0x04);
+ rsp_buffer_push(&rsp, cmd[1]);
+ rsp_buffer_push(&rsp, 0); /* Assume success */
+
+ /* If it's too short or it was truncated, return an error. */
+ if (cmd_len < 2) {
+ rsp_buffer_set_error(&rsp, IPMI_CC_REQUEST_DATA_LENGTH_INVALID);
+ goto out;
+ }
+ if (cmd_len > max_cmd_len) {
+ rsp_buffer_set_error(&rsp, IPMI_CC_REQUEST_DATA_TRUNCATED);
+ goto out;
+ }
+
+ if ((cmd[0] & 0x03) != 0) {
+ /* Only have stuff on LUN 0 */
+ rsp_buffer_set_error(&rsp, IPMI_CC_COMMAND_INVALID_FOR_LUN);
+ goto out;
+ }
+
+ hdl = ipmi_get_handler(ibs, cmd[0] >> 2, cmd[1]);
+ if (!hdl) {
+ rsp_buffer_set_error(&rsp, IPMI_CC_INVALID_CMD);
+ goto out;
+ }
+
+ if (cmd_len < hdl->cmd_len_min) {
+ rsp_buffer_set_error(&rsp, IPMI_CC_REQUEST_DATA_LENGTH_INVALID);
+ goto out;
+ }
+
+ hdl->cmd_handler(ibs, cmd, cmd_len, &rsp);
+
+ out:
+ k->handle_rsp(s, msg_id, rsp.buffer, rsp.len);
+
+ next_timeout(ibs);
+}
+
+static void ipmi_sim_handle_timeout(IPMIBmcSim *ibs)
+{
+ IPMIInterface *s = ibs->parent.intf;
+ IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
+
+ if (!ibs->watchdog_running) {
+ goto out;
+ }
+
+ if (!ibs->watchdog_preaction_ran) {
+ switch (IPMI_BMC_WATCHDOG_GET_PRE_ACTION(ibs)) {
+ case IPMI_BMC_WATCHDOG_PRE_NMI:
+ 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);
+ 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);
+ break;
+
+ default:
+ goto do_full_expiry;
+ }
+
+ ibs->watchdog_preaction_ran = 1;
+ /* Issued the pretimeout, do the rest of the timeout now. */
+ ibs->watchdog_expiry = ipmi_getmonotime();
+ ibs->watchdog_expiry += ibs->watchdog_pretimeout * 1000000000LL;
+ goto out;
+ }
+
+ do_full_expiry:
+ ibs->watchdog_running = 0; /* Stop the watchdog on a timeout */
+ ibs->watchdog_expired |= (1 << IPMI_BMC_WATCHDOG_GET_USE(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);
+ break;
+
+ case IPMI_BMC_WATCHDOG_ACTION_RESET:
+ sensor_set_discrete_bit(ibs, IPMI_WATCHDOG_SENSOR, 1, 1,
+ 0xc1, ibs->watchdog_use & 0xf, 0xff);
+ 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);
+ 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);
+ k->do_hw_op(s, IPMI_POWERCYCLE_CHASSIS, 0);
+ break;
+ }
+
+ out:
+ next_timeout(ibs);
+}
+
+static void chassis_capabilities(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ rsp_buffer_push(rsp, 0);
+ rsp_buffer_push(rsp, ibs->parent.slave_addr);
+ rsp_buffer_push(rsp, ibs->parent.slave_addr);
+ rsp_buffer_push(rsp, ibs->parent.slave_addr);
+ rsp_buffer_push(rsp, ibs->parent.slave_addr);
+}
+
+static void chassis_status(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ rsp_buffer_push(rsp, 0x61); /* Unknown power restore, power is on */
+ rsp_buffer_push(rsp, 0);
+ rsp_buffer_push(rsp, 0);
+ rsp_buffer_push(rsp, 0);
+}
+
+static void chassis_control(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ IPMIInterface *s = ibs->parent.intf;
+ IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
+
+ switch (cmd[2] & 0xf) {
+ case 0: /* power down */
+ rsp_buffer_set_error(rsp, k->do_hw_op(s, IPMI_POWEROFF_CHASSIS, 0));
+ break;
+ case 1: /* power up */
+ rsp_buffer_set_error(rsp, k->do_hw_op(s, IPMI_POWERON_CHASSIS, 0));
+ break;
+ case 2: /* power cycle */
+ rsp_buffer_set_error(rsp, k->do_hw_op(s, IPMI_POWERCYCLE_CHASSIS, 0));
+ break;
+ case 3: /* hard reset */
+ rsp_buffer_set_error(rsp, k->do_hw_op(s, IPMI_RESET_CHASSIS, 0));
+ break;
+ case 4: /* pulse diagnostic interrupt */
+ rsp_buffer_set_error(rsp, k->do_hw_op(s, IPMI_PULSE_DIAG_IRQ, 0));
+ break;
+ case 5: /* soft shutdown via ACPI by overtemp emulation */
+ rsp_buffer_set_error(rsp, k->do_hw_op(s,
+ IPMI_SHUTDOWN_VIA_ACPI_OVERTEMP, 0));
+ break;
+ default:
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+}
+
+static void chassis_get_sys_restart_cause(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+
+{
+ rsp_buffer_push(rsp, ibs->restart_cause & 0xf); /* Restart Cause */
+ rsp_buffer_push(rsp, 0); /* Channel 0 */
+}
+
+static void get_device_id(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ rsp_buffer_push(rsp, ibs->device_id);
+ rsp_buffer_push(rsp, ibs->device_rev & 0xf);
+ rsp_buffer_push(rsp, ibs->fwrev1 & 0x7f);
+ rsp_buffer_push(rsp, ibs->fwrev2);
+ rsp_buffer_push(rsp, ibs->ipmi_version);
+ rsp_buffer_push(rsp, 0x07); /* sensor, SDR, and SEL. */
+ rsp_buffer_push(rsp, ibs->mfg_id[0]);
+ rsp_buffer_push(rsp, ibs->mfg_id[1]);
+ rsp_buffer_push(rsp, ibs->mfg_id[2]);
+ rsp_buffer_push(rsp, ibs->product_id[0]);
+ rsp_buffer_push(rsp, ibs->product_id[1]);
+}
+
+static void set_global_enables(IPMIBmcSim *ibs, uint8_t val)
+{
+ IPMIInterface *s = ibs->parent.intf;
+ IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
+ bool irqs_on;
+
+ ibs->bmc_global_enables = val;
+
+ irqs_on = val & (IPMI_BMC_EVBUF_FULL_INT_BIT |
+ IPMI_BMC_RCV_MSG_QUEUE_INT_BIT);
+
+ k->set_irq_enable(s, irqs_on);
+}
+
+static void cold_reset(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ IPMIInterface *s = ibs->parent.intf;
+ IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
+
+ /* Disable all interrupts */
+ set_global_enables(ibs, 1 << IPMI_BMC_EVENT_LOG_BIT);
+
+ if (k->reset) {
+ k->reset(s, true);
+ }
+}
+
+static void warm_reset(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ IPMIInterface *s = ibs->parent.intf;
+ IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
+
+ if (k->reset) {
+ k->reset(s, false);
+ }
+}
+static void set_acpi_power_state(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ ibs->acpi_power_state[0] = cmd[2];
+ ibs->acpi_power_state[1] = cmd[3];
+}
+
+static void get_acpi_power_state(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ rsp_buffer_push(rsp, ibs->acpi_power_state[0]);
+ rsp_buffer_push(rsp, ibs->acpi_power_state[1]);
+}
+
+static void get_device_guid(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ unsigned int i;
+
+ for (i = 0; i < 16; i++) {
+ rsp_buffer_push(rsp, ibs->uuid[i]);
+ }
+}
+
+static void set_bmc_global_enables(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ set_global_enables(ibs, cmd[2]);
+}
+
+static void get_bmc_global_enables(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ rsp_buffer_push(rsp, ibs->bmc_global_enables);
+}
+
+static void clr_msg_flags(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ IPMIInterface *s = ibs->parent.intf;
+ IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
+
+ ibs->msg_flags &= ~cmd[2];
+ k->set_atn(s, attn_set(ibs), attn_irq_enabled(ibs));
+}
+
+static void get_msg_flags(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ rsp_buffer_push(rsp, ibs->msg_flags);
+}
+
+static void read_evt_msg_buf(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ IPMIInterface *s = ibs->parent.intf;
+ IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
+ unsigned int i;
+
+ if (!(ibs->msg_flags & IPMI_BMC_MSG_FLAG_EVT_BUF_FULL)) {
+ rsp_buffer_set_error(rsp, 0x80);
+ return;
+ }
+ for (i = 0; i < 16; i++) {
+ rsp_buffer_push(rsp, ibs->evtbuf[i]);
+ }
+ ibs->msg_flags &= ~IPMI_BMC_MSG_FLAG_EVT_BUF_FULL;
+ k->set_atn(s, attn_set(ibs), attn_irq_enabled(ibs));
+}
+
+static void get_msg(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ IPMIRcvBufEntry *msg;
+
+ qemu_mutex_lock(&ibs->lock);
+ if (QTAILQ_EMPTY(&ibs->rcvbufs)) {
+ rsp_buffer_set_error(rsp, 0x80); /* Queue empty */
+ goto out;
+ }
+ rsp_buffer_push(rsp, 0); /* Channel 0 */
+ msg = QTAILQ_FIRST(&ibs->rcvbufs);
+ rsp_buffer_pushmore(rsp, msg->buf, msg->len);
+ QTAILQ_REMOVE(&ibs->rcvbufs, msg, entry);
+ g_free(msg);
+
+ if (QTAILQ_EMPTY(&ibs->rcvbufs)) {
+ IPMIInterface *s = ibs->parent.intf;
+ IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
+
+ ibs->msg_flags &= ~IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE;
+ k->set_atn(s, attn_set(ibs), attn_irq_enabled(ibs));
+ }
+
+out:
+ qemu_mutex_unlock(&ibs->lock);
+ return;
+}
+
+static unsigned char
+ipmb_checksum(unsigned char *data, int size, unsigned char csum)
+{
+ for (; size > 0; size--, data++) {
+ csum += *data;
+ }
+
+ return -csum;
+}
+
+static void send_msg(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ IPMIInterface *s = ibs->parent.intf;
+ IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
+ IPMIRcvBufEntry *msg;
+ uint8_t *buf;
+ uint8_t netfn, rqLun, rsLun, rqSeq;
+
+ if (cmd[2] != 0) {
+ /* We only handle channel 0 with no options */
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+
+ if (cmd_len < 10) {
+ rsp_buffer_set_error(rsp, IPMI_CC_REQUEST_DATA_LENGTH_INVALID);
+ return;
+ }
+
+ if (cmd[3] != 0x40) {
+ /* We only emulate a MC at address 0x40. */
+ rsp_buffer_set_error(rsp, 0x83); /* NAK on write */
+ return;
+ }
+
+ cmd += 3; /* Skip the header. */
+ cmd_len -= 3;
+
+ /*
+ * At this point we "send" the message successfully. Any error will
+ * be returned in the response.
+ */
+ if (ipmb_checksum(cmd, cmd_len, 0) != 0 ||
+ cmd[3] != 0x20) { /* Improper response address */
+ return; /* No response */
+ }
+
+ netfn = cmd[1] >> 2;
+ rqLun = cmd[4] & 0x3;
+ rsLun = cmd[1] & 0x3;
+ rqSeq = cmd[4] >> 2;
+
+ if (rqLun != 2) {
+ /* We only support LUN 2 coming back to us. */
+ return;
+ }
+
+ msg = g_malloc(sizeof(*msg));
+ msg->buf[0] = ((netfn | 1) << 2) | rqLun; /* NetFN, and make a response */
+ msg->buf[1] = ipmb_checksum(msg->buf, 1, 0);
+ msg->buf[2] = cmd[0]; /* rsSA */
+ msg->buf[3] = (rqSeq << 2) | rsLun;
+ msg->buf[4] = cmd[5]; /* Cmd */
+ msg->buf[5] = 0; /* Completion Code */
+ msg->len = 6;
+
+ if ((cmd[1] >> 2) != IPMI_NETFN_APP || cmd[5] != IPMI_CMD_GET_DEVICE_ID) {
+ /* Not a command we handle. */
+ msg->buf[5] = IPMI_CC_INVALID_CMD;
+ goto end_msg;
+ }
+
+ buf = msg->buf + msg->len; /* After the CC */
+ buf[0] = 0;
+ buf[1] = 0;
+ buf[2] = 0;
+ buf[3] = 0;
+ buf[4] = 0x51;
+ buf[5] = 0;
+ buf[6] = 0;
+ buf[7] = 0;
+ buf[8] = 0;
+ buf[9] = 0;
+ buf[10] = 0;
+ msg->len += 11;
+
+ end_msg:
+ msg->buf[msg->len] = ipmb_checksum(msg->buf, msg->len, 0);
+ msg->len++;
+ qemu_mutex_lock(&ibs->lock);
+ QTAILQ_INSERT_TAIL(&ibs->rcvbufs, msg, entry);
+ ibs->msg_flags |= IPMI_BMC_MSG_FLAG_RCV_MSG_QUEUE;
+ k->set_atn(s, 1, attn_irq_enabled(ibs));
+ qemu_mutex_unlock(&ibs->lock);
+}
+
+static void do_watchdog_reset(IPMIBmcSim *ibs)
+{
+ if (IPMI_BMC_WATCHDOG_GET_ACTION(ibs) ==
+ IPMI_BMC_WATCHDOG_ACTION_NONE) {
+ ibs->watchdog_running = 0;
+ return;
+ }
+ ibs->watchdog_preaction_ran = 0;
+
+
+ /* Timeout is in tenths of a second, offset is in seconds */
+ ibs->watchdog_expiry = ipmi_getmonotime();
+ ibs->watchdog_expiry += ibs->watchdog_timeout * 100000000LL;
+ if (IPMI_BMC_WATCHDOG_GET_PRE_ACTION(ibs) != IPMI_BMC_WATCHDOG_PRE_NONE) {
+ ibs->watchdog_expiry -= ibs->watchdog_pretimeout * 1000000000LL;
+ }
+ ibs->watchdog_running = 1;
+}
+
+static void reset_watchdog_timer(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ if (!ibs->watchdog_initialized) {
+ rsp_buffer_set_error(rsp, 0x80);
+ return;
+ }
+ do_watchdog_reset(ibs);
+}
+
+static void set_watchdog_timer(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ IPMIInterface *s = ibs->parent.intf;
+ IPMIInterfaceClass *k = IPMI_INTERFACE_GET_CLASS(s);
+ unsigned int val;
+
+ val = cmd[2] & 0x7; /* Validate use */
+ if (val == 0 || val > 5) {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+ val = cmd[3] & 0x7; /* Validate action */
+ switch (val) {
+ case IPMI_BMC_WATCHDOG_ACTION_NONE:
+ break;
+
+ case IPMI_BMC_WATCHDOG_ACTION_RESET:
+ rsp_buffer_set_error(rsp, k->do_hw_op(s, IPMI_RESET_CHASSIS, 1));
+ break;
+
+ case IPMI_BMC_WATCHDOG_ACTION_POWER_DOWN:
+ rsp_buffer_set_error(rsp, k->do_hw_op(s, IPMI_POWEROFF_CHASSIS, 1));
+ break;
+
+ case IPMI_BMC_WATCHDOG_ACTION_POWER_CYCLE:
+ rsp_buffer_set_error(rsp, k->do_hw_op(s, IPMI_POWERCYCLE_CHASSIS, 1));
+ break;
+
+ default:
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ }
+ if (rsp->buffer[2]) {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+
+ 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 (!k->do_hw_op(s, IPMI_SEND_NMI, 1)) {
+ /* NMI not supported. */
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+ break;
+
+ default:
+ /* We don't support PRE_SMI */
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+
+ ibs->watchdog_initialized = 1;
+ ibs->watchdog_use = cmd[2] & IPMI_BMC_WATCHDOG_USE_MASK;
+ ibs->watchdog_action = cmd[3] & IPMI_BMC_WATCHDOG_ACTION_MASK;
+ ibs->watchdog_pretimeout = cmd[4];
+ ibs->watchdog_expired &= ~cmd[5];
+ ibs->watchdog_timeout = cmd[6] | (((uint16_t) cmd[7]) << 8);
+ if (ibs->watchdog_running & IPMI_BMC_WATCHDOG_GET_DONT_STOP(ibs)) {
+ do_watchdog_reset(ibs);
+ } else {
+ ibs->watchdog_running = 0;
+ }
+}
+
+static void get_watchdog_timer(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ rsp_buffer_push(rsp, ibs->watchdog_use);
+ rsp_buffer_push(rsp, ibs->watchdog_action);
+ rsp_buffer_push(rsp, ibs->watchdog_pretimeout);
+ rsp_buffer_push(rsp, ibs->watchdog_expired);
+ if (ibs->watchdog_running) {
+ long timeout;
+ timeout = ((ibs->watchdog_expiry - ipmi_getmonotime() + 50000000)
+ / 100000000);
+ rsp_buffer_push(rsp, timeout & 0xff);
+ rsp_buffer_push(rsp, (timeout >> 8) & 0xff);
+ } else {
+ rsp_buffer_push(rsp, 0);
+ rsp_buffer_push(rsp, 0);
+ }
+}
+
+static void get_sdr_rep_info(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ unsigned int i;
+
+ rsp_buffer_push(rsp, 0x51); /* Conform to IPMI 1.5 spec */
+ rsp_buffer_push(rsp, ibs->sdr.next_rec_id & 0xff);
+ rsp_buffer_push(rsp, (ibs->sdr.next_rec_id >> 8) & 0xff);
+ rsp_buffer_push(rsp, (MAX_SDR_SIZE - ibs->sdr.next_free) & 0xff);
+ rsp_buffer_push(rsp, ((MAX_SDR_SIZE - ibs->sdr.next_free) >> 8) & 0xff);
+ for (i = 0; i < 4; i++) {
+ rsp_buffer_push(rsp, ibs->sdr.last_addition[i]);
+ }
+ for (i = 0; i < 4; i++) {
+ rsp_buffer_push(rsp, ibs->sdr.last_clear[i]);
+ }
+ /* Only modal support, reserve supported */
+ rsp_buffer_push(rsp, (ibs->sdr.overflow << 7) | 0x22);
+}
+
+static void reserve_sdr_rep(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ rsp_buffer_push(rsp, ibs->sdr.reservation & 0xff);
+ rsp_buffer_push(rsp, (ibs->sdr.reservation >> 8) & 0xff);
+}
+
+static void get_sdr(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ unsigned int pos;
+ uint16_t nextrec;
+ struct ipmi_sdr_header *sdrh;
+
+ if (cmd[6]) {
+ if ((cmd[2] | (cmd[3] << 8)) != ibs->sdr.reservation) {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_RESERVATION);
+ return;
+ }
+ }
+
+ pos = 0;
+ if (sdr_find_entry(&ibs->sdr, cmd[4] | (cmd[5] << 8),
+ &pos, &nextrec)) {
+ rsp_buffer_set_error(rsp, IPMI_CC_REQ_ENTRY_NOT_PRESENT);
+ return;
+ }
+
+ sdrh = (struct ipmi_sdr_header *) &ibs->sdr.sdr[pos];
+
+ if (cmd[6] > ipmi_sdr_length(sdrh)) {
+ rsp_buffer_set_error(rsp, IPMI_CC_PARM_OUT_OF_RANGE);
+ return;
+ }
+
+ rsp_buffer_push(rsp, nextrec & 0xff);
+ rsp_buffer_push(rsp, (nextrec >> 8) & 0xff);
+
+ if (cmd[7] == 0xff) {
+ cmd[7] = ipmi_sdr_length(sdrh) - cmd[6];
+ }
+
+ if ((cmd[7] + rsp->len) > sizeof(rsp->buffer)) {
+ rsp_buffer_set_error(rsp, IPMI_CC_CANNOT_RETURN_REQ_NUM_BYTES);
+ return;
+ }
+
+ rsp_buffer_pushmore(rsp, ibs->sdr.sdr + pos + cmd[6], cmd[7]);
+}
+
+static void add_sdr(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ uint16_t recid;
+ struct ipmi_sdr_header *sdrh = (struct ipmi_sdr_header *) cmd + 2;
+
+ if (sdr_add_entry(ibs, sdrh, cmd_len - 2, &recid)) {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+ rsp_buffer_push(rsp, recid & 0xff);
+ rsp_buffer_push(rsp, (recid >> 8) & 0xff);
+}
+
+static void clear_sdr_rep(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ if ((cmd[2] | (cmd[3] << 8)) != ibs->sdr.reservation) {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_RESERVATION);
+ return;
+ }
+
+ if (cmd[4] != 'C' || cmd[5] != 'L' || cmd[6] != 'R') {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+ if (cmd[7] == 0xaa) {
+ ibs->sdr.next_free = 0;
+ ibs->sdr.overflow = 0;
+ set_timestamp(ibs, ibs->sdr.last_clear);
+ rsp_buffer_push(rsp, 1); /* Erasure complete */
+ sdr_inc_reservation(&ibs->sdr);
+ } else if (cmd[7] == 0) {
+ rsp_buffer_push(rsp, 1); /* Erasure complete */
+ } else {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+}
+
+static void get_sel_info(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ unsigned int i, val;
+
+ rsp_buffer_push(rsp, 0x51); /* Conform to IPMI 1.5 */
+ rsp_buffer_push(rsp, ibs->sel.next_free & 0xff);
+ rsp_buffer_push(rsp, (ibs->sel.next_free >> 8) & 0xff);
+ val = (MAX_SEL_SIZE - ibs->sel.next_free) * 16;
+ rsp_buffer_push(rsp, val & 0xff);
+ rsp_buffer_push(rsp, (val >> 8) & 0xff);
+ for (i = 0; i < 4; i++) {
+ rsp_buffer_push(rsp, ibs->sel.last_addition[i]);
+ }
+ for (i = 0; i < 4; i++) {
+ rsp_buffer_push(rsp, ibs->sel.last_clear[i]);
+ }
+ /* Only support Reserve SEL */
+ rsp_buffer_push(rsp, (ibs->sel.overflow << 7) | 0x02);
+}
+
+static void reserve_sel(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ rsp_buffer_push(rsp, ibs->sel.reservation & 0xff);
+ rsp_buffer_push(rsp, (ibs->sel.reservation >> 8) & 0xff);
+}
+
+static void get_sel_entry(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ unsigned int val;
+
+ if (cmd[6]) {
+ if ((cmd[2] | (cmd[3] << 8)) != ibs->sel.reservation) {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_RESERVATION);
+ return;
+ }
+ }
+ if (ibs->sel.next_free == 0) {
+ rsp_buffer_set_error(rsp, IPMI_CC_REQ_ENTRY_NOT_PRESENT);
+ return;
+ }
+ if (cmd[6] > 15) {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+ if (cmd[7] == 0xff) {
+ cmd[7] = 16;
+ } else if ((cmd[7] + cmd[6]) > 16) {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ } else {
+ cmd[7] += cmd[6];
+ }
+
+ val = cmd[4] | (cmd[5] << 8);
+ if (val == 0xffff) {
+ val = ibs->sel.next_free - 1;
+ } else if (val >= ibs->sel.next_free) {
+ rsp_buffer_set_error(rsp, IPMI_CC_REQ_ENTRY_NOT_PRESENT);
+ return;
+ }
+ if ((val + 1) == ibs->sel.next_free) {
+ rsp_buffer_push(rsp, 0xff);
+ rsp_buffer_push(rsp, 0xff);
+ } else {
+ rsp_buffer_push(rsp, (val + 1) & 0xff);
+ rsp_buffer_push(rsp, ((val + 1) >> 8) & 0xff);
+ }
+ for (; cmd[6] < cmd[7]; cmd[6]++) {
+ rsp_buffer_push(rsp, ibs->sel.sel[val][cmd[6]]);
+ }
+}
+
+static void add_sel_entry(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ if (sel_add_event(ibs, cmd + 2)) {
+ rsp_buffer_set_error(rsp, IPMI_CC_OUT_OF_SPACE);
+ return;
+ }
+ /* sel_add_event fills in the record number. */
+ rsp_buffer_push(rsp, cmd[2]);
+ rsp_buffer_push(rsp, cmd[3]);
+}
+
+static void clear_sel(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ if ((cmd[2] | (cmd[3] << 8)) != ibs->sel.reservation) {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_RESERVATION);
+ return;
+ }
+
+ if (cmd[4] != 'C' || cmd[5] != 'L' || cmd[6] != 'R') {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+ if (cmd[7] == 0xaa) {
+ ibs->sel.next_free = 0;
+ ibs->sel.overflow = 0;
+ set_timestamp(ibs, ibs->sdr.last_clear);
+ rsp_buffer_push(rsp, 1); /* Erasure complete */
+ sel_inc_reservation(&ibs->sel);
+ } else if (cmd[7] == 0) {
+ rsp_buffer_push(rsp, 1); /* Erasure complete */
+ } else {
+ rsp_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+}
+
+static void get_sel_time(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ uint32_t val;
+ struct ipmi_time now;
+
+ ipmi_gettime(&now);
+ val = now.tv_sec + ibs->sel.time_offset;
+ rsp_buffer_push(rsp, val & 0xff);
+ rsp_buffer_push(rsp, (val >> 8) & 0xff);
+ rsp_buffer_push(rsp, (val >> 16) & 0xff);
+ rsp_buffer_push(rsp, (val >> 24) & 0xff);
+}
+
+static void set_sel_time(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ uint32_t val;
+ struct ipmi_time now;
+
+ val = cmd[2] | (cmd[3] << 8) | (cmd[4] << 16) | (cmd[5] << 24);
+ ipmi_gettime(&now);
+ ibs->sel.time_offset = now.tv_sec - ((long) val);
+}
+
+static void set_sensor_evt_enable(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ IPMISensor *sens;
+
+ if ((cmd[2] >= MAX_SENSORS) ||
+ !IPMI_SENSOR_GET_PRESENT(ibs->sensors + cmd[2])) {
+ rsp_buffer_set_error(rsp, IPMI_CC_REQ_ENTRY_NOT_PRESENT);
+ return;
+ }
+ sens = ibs->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_buffer_set_error(rsp, IPMI_CC_INVALID_DATA_FIELD);
+ return;
+ }
+ IPMI_SENSOR_SET_RET_STATUS(sens, cmd[3]);
+}
+
+static void get_sensor_evt_enable(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ IPMISensor *sens;
+
+ if ((cmd[2] >= MAX_SENSORS) ||
+ !IPMI_SENSOR_GET_PRESENT(ibs->sensors + cmd[2])) {
+ rsp_buffer_set_error(rsp, IPMI_CC_REQ_ENTRY_NOT_PRESENT);
+ return;
+ }
+ sens = ibs->sensors + cmd[2];
+ rsp_buffer_push(rsp, IPMI_SENSOR_GET_RET_STATUS(sens));
+ rsp_buffer_push(rsp, sens->assert_enable & 0xff);
+ rsp_buffer_push(rsp, (sens->assert_enable >> 8) & 0xff);
+ rsp_buffer_push(rsp, sens->deassert_enable & 0xff);
+ rsp_buffer_push(rsp, (sens->deassert_enable >> 8) & 0xff);
+}
+
+static void rearm_sensor_evts(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ IPMISensor *sens;
+
+ if ((cmd[2] >= MAX_SENSORS) ||
+ !IPMI_SENSOR_GET_PRESENT(ibs->sensors + cmd[2])) {
+ rsp_buffer_set_error(rsp, IPMI_CC_REQ_ENTRY_NOT_PRESENT);
+ return;
+ }
+ sens = ibs->sensors + cmd[2];
+
+ if ((cmd[3] & 0x80) == 0) {
+ /* Just clear everything */
+ sens->states = 0;
+ return;
+ }
+}
+
+static void get_sensor_evt_status(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ IPMISensor *sens;
+
+ if ((cmd[2] >= MAX_SENSORS) ||
+ !IPMI_SENSOR_GET_PRESENT(ibs->sensors + cmd[2])) {
+ rsp_buffer_set_error(rsp, IPMI_CC_REQ_ENTRY_NOT_PRESENT);
+ return;
+ }
+ sens = ibs->sensors + cmd[2];
+ rsp_buffer_push(rsp, sens->reading);
+ rsp_buffer_push(rsp, IPMI_SENSOR_GET_RET_STATUS(sens));
+ rsp_buffer_push(rsp, sens->assert_states & 0xff);
+ rsp_buffer_push(rsp, (sens->assert_states >> 8) & 0xff);
+ rsp_buffer_push(rsp, sens->deassert_states & 0xff);
+ rsp_buffer_push(rsp, (sens->deassert_states >> 8) & 0xff);
+}
+
+static void get_sensor_reading(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ IPMISensor *sens;
+
+ if ((cmd[2] >= MAX_SENSORS) ||
+ !IPMI_SENSOR_GET_PRESENT(ibs->sensors + cmd[2])) {
+ rsp_buffer_set_error(rsp, IPMI_CC_REQ_ENTRY_NOT_PRESENT);
+ return;
+ }
+ sens = ibs->sensors + cmd[2];
+ rsp_buffer_push(rsp, sens->reading);
+ rsp_buffer_push(rsp, IPMI_SENSOR_GET_RET_STATUS(sens));
+ rsp_buffer_push(rsp, sens->states & 0xff);
+ if (IPMI_SENSOR_IS_DISCRETE(sens)) {
+ rsp_buffer_push(rsp, (sens->states >> 8) & 0xff);
+ }
+}
+
+static void set_sensor_type(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ IPMISensor *sens;
+
+
+ if ((cmd[2] >= MAX_SENSORS) ||
+ !IPMI_SENSOR_GET_PRESENT(ibs->sensors + cmd[2])) {
+ rsp_buffer_set_error(rsp, IPMI_CC_REQ_ENTRY_NOT_PRESENT);
+ return;
+ }
+ sens = ibs->sensors + cmd[2];
+ sens->sensor_type = cmd[3];
+ sens->evt_reading_type_code = cmd[4] & 0x7f;
+}
+
+static void get_sensor_type(IPMIBmcSim *ibs,
+ uint8_t *cmd, unsigned int cmd_len,
+ RspBuffer *rsp)
+{
+ IPMISensor *sens;
+
+
+ if ((cmd[2] >= MAX_SENSORS) ||
+ !IPMI_SENSOR_GET_PRESENT(ibs->sensors + cmd[2])) {
+ rsp_buffer_set_error(rsp, IPMI_CC_REQ_ENTRY_NOT_PRESENT);
+ return;
+ }
+ sens = ibs->sensors + cmd[2];
+ rsp_buffer_push(rsp, sens->sensor_type);
+ rsp_buffer_push(rsp, sens->evt_reading_type_code);
+}
+
+
+static const IPMICmdHandler chassis_cmds[] = {
+ [IPMI_CMD_GET_CHASSIS_CAPABILITIES] = { chassis_capabilities },
+ [IPMI_CMD_GET_CHASSIS_STATUS] = { chassis_status },
+ [IPMI_CMD_CHASSIS_CONTROL] = { chassis_control, 3 },
+ [IPMI_CMD_GET_SYS_RESTART_CAUSE] = { chassis_get_sys_restart_cause }
+};
+static const IPMINetfn chassis_netfn = {
+ .cmd_nums = ARRAY_SIZE(chassis_cmds),
+ .cmd_handlers = chassis_cmds
+};
+
+static const IPMICmdHandler sensor_event_cmds[] = {
+ [IPMI_CMD_SET_SENSOR_EVT_ENABLE] = { set_sensor_evt_enable, 4 },
+ [IPMI_CMD_GET_SENSOR_EVT_ENABLE] = { get_sensor_evt_enable, 3 },
+ [IPMI_CMD_REARM_SENSOR_EVTS] = { rearm_sensor_evts, 4 },
+ [IPMI_CMD_GET_SENSOR_EVT_STATUS] = { get_sensor_evt_status, 3 },
+ [IPMI_CMD_GET_SENSOR_READING] = { get_sensor_reading, 3 },
+ [IPMI_CMD_SET_SENSOR_TYPE] = { set_sensor_type, 5 },
+ [IPMI_CMD_GET_SENSOR_TYPE] = { get_sensor_type, 3 },
+};
+static const IPMINetfn sensor_event_netfn = {
+ .cmd_nums = ARRAY_SIZE(sensor_event_cmds),
+ .cmd_handlers = sensor_event_cmds
+};
+
+static const IPMICmdHandler app_cmds[] = {
+ [IPMI_CMD_GET_DEVICE_ID] = { get_device_id },
+ [IPMI_CMD_COLD_RESET] = { cold_reset },
+ [IPMI_CMD_WARM_RESET] = { warm_reset },
+ [IPMI_CMD_SET_ACPI_POWER_STATE] = { set_acpi_power_state, 4 },
+ [IPMI_CMD_GET_ACPI_POWER_STATE] = { get_acpi_power_state },
+ [IPMI_CMD_GET_DEVICE_GUID] = { get_device_guid },
+ [IPMI_CMD_SET_BMC_GLOBAL_ENABLES] = { set_bmc_global_enables, 3 },
+ [IPMI_CMD_GET_BMC_GLOBAL_ENABLES] = { get_bmc_global_enables },
+ [IPMI_CMD_CLR_MSG_FLAGS] = { clr_msg_flags, 3 },
+ [IPMI_CMD_GET_MSG_FLAGS] = { get_msg_flags },
+ [IPMI_CMD_GET_MSG] = { get_msg },
+ [IPMI_CMD_SEND_MSG] = { send_msg, 3 },
+ [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, 8 },
+ [IPMI_CMD_GET_WATCHDOG_TIMER] = { get_watchdog_timer },
+};
+static const IPMINetfn app_netfn = {
+ .cmd_nums = ARRAY_SIZE(app_cmds),
+ .cmd_handlers = app_cmds
+};
+
+static const IPMICmdHandler storage_cmds[] = {
+ [IPMI_CMD_GET_SDR_REP_INFO] = { get_sdr_rep_info },
+ [IPMI_CMD_RESERVE_SDR_REP] = { reserve_sdr_rep },
+ [IPMI_CMD_GET_SDR] = { get_sdr, 8 },
+ [IPMI_CMD_ADD_SDR] = { add_sdr },
+ [IPMI_CMD_CLEAR_SDR_REP] = { clear_sdr_rep, 8 },
+ [IPMI_CMD_GET_SEL_INFO] = { get_sel_info },
+ [IPMI_CMD_RESERVE_SEL] = { reserve_sel },
+ [IPMI_CMD_GET_SEL_ENTRY] = { get_sel_entry, 8 },
+ [IPMI_CMD_ADD_SEL_ENTRY] = { add_sel_entry, 18 },
+ [IPMI_CMD_CLEAR_SEL] = { clear_sel, 8 },
+ [IPMI_CMD_GET_SEL_TIME] = { get_sel_time, 6 },
+ [IPMI_CMD_SET_SEL_TIME] = { set_sel_time },
+};
+
+static const IPMINetfn storage_netfn = {
+ .cmd_nums = ARRAY_SIZE(storage_cmds),
+ .cmd_handlers = storage_cmds
+};
+
+static void register_cmds(IPMIBmcSim *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 uint8_t init_sdrs[] = {
+ /* Watchdog device */
+ 0x00, 0x00, 0x51, 0x02, 35, 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',
+};
+
+static void ipmi_sdr_init(IPMIBmcSim *ibs)
+{
+ unsigned int i;
+ int len;
+ size_t sdrs_size;
+ uint8_t *sdrs;
+
+ sdrs_size = sizeof(init_sdrs);
+ sdrs = init_sdrs;
+
+ for (i = 0; i < sdrs_size; i += len) {
+ struct ipmi_sdr_header *sdrh;
+
+ if (i + IPMI_SDR_HEADER_SIZE > sdrs_size) {
+ error_report("Problem with recid 0x%4.4x", i);
+ return;
+ }
+ sdrh = (struct ipmi_sdr_header *) &sdrs[i];
+ len = ipmi_sdr_length(sdrh);
+ if (i + len > sdrs_size) {
+ error_report("Problem with recid 0x%4.4x", i);
+ return;
+ }
+ sdr_add_entry(ibs, sdrh, len, NULL);
+ }
+}
+
+static const VMStateDescription vmstate_ipmi_sim = {
+ .name = TYPE_IPMI_BMC_SIMULATOR,
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_UINT8(bmc_global_enables, IPMIBmcSim),
+ VMSTATE_UINT8(msg_flags, IPMIBmcSim),
+ VMSTATE_BOOL(watchdog_initialized, IPMIBmcSim),
+ VMSTATE_UINT8(watchdog_use, IPMIBmcSim),
+ VMSTATE_UINT8(watchdog_action, IPMIBmcSim),
+ VMSTATE_UINT8(watchdog_pretimeout, IPMIBmcSim),
+ VMSTATE_BOOL(watchdog_expired, IPMIBmcSim),
+ VMSTATE_UINT16(watchdog_timeout, IPMIBmcSim),
+ VMSTATE_BOOL(watchdog_running, IPMIBmcSim),
+ VMSTATE_BOOL(watchdog_preaction_ran, IPMIBmcSim),
+ VMSTATE_INT64(watchdog_expiry, IPMIBmcSim),
+ VMSTATE_UINT8_ARRAY(evtbuf, IPMIBmcSim, 16),
+ VMSTATE_UINT8(sensors[IPMI_WATCHDOG_SENSOR].status, IPMIBmcSim),
+ VMSTATE_UINT8(sensors[IPMI_WATCHDOG_SENSOR].reading, IPMIBmcSim),
+ VMSTATE_UINT16(sensors[IPMI_WATCHDOG_SENSOR].states, IPMIBmcSim),
+ VMSTATE_UINT16(sensors[IPMI_WATCHDOG_SENSOR].assert_states, IPMIBmcSim),
+ VMSTATE_UINT16(sensors[IPMI_WATCHDOG_SENSOR].deassert_states,
+ IPMIBmcSim),
+ VMSTATE_UINT16(sensors[IPMI_WATCHDOG_SENSOR].assert_enable, IPMIBmcSim),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
+static void ipmi_sim_realize(DeviceState *dev, Error **errp)
+{
+ IPMIBmc *b = IPMI_BMC(dev);
+ unsigned int i;
+ IPMIBmcSim *ibs = IPMI_BMC_SIMULATOR(b);
+
+ qemu_mutex_init(&ibs->lock);
+ QTAILQ_INIT(&ibs->rcvbufs);
+
+ ibs->bmc_global_enables = (1 << IPMI_BMC_EVENT_LOG_BIT);
+ ibs->device_id = 0x20;
+ ibs->ipmi_version = 0x02; /* IPMI 2.0 */
+ ibs->restart_cause = 0;
+ for (i = 0; i < 4; i++) {
+ ibs->sel.last_addition[i] = 0xff;
+ ibs->sel.last_clear[i] = 0xff;
+ ibs->sdr.last_addition[i] = 0xff;
+ ibs->sdr.last_clear[i] = 0xff;
+ }
+
+ ipmi_sdr_init(ibs);
+
+ ibs->acpi_power_state[0] = 0;
+ ibs->acpi_power_state[1] = 0;
+
+ if (qemu_uuid_set) {
+ memcpy(&ibs->uuid, qemu_uuid, 16);
+ } else {
+ memset(&ibs->uuid, 0, 16);
+ }
+
+ ipmi_init_sensors_from_sdrs(ibs);
+ register_cmds(ibs);
+
+ ibs->timer = timer_new_ns(QEMU_CLOCK_VIRTUAL, ipmi_timeout, ibs);
+
+ vmstate_register(NULL, 0, &vmstate_ipmi_sim, ibs);
+}
+
+static void ipmi_sim_class_init(ObjectClass *oc, void *data)
+{
+ DeviceClass *dc = DEVICE_CLASS(oc);
+ IPMIBmcClass *bk = IPMI_BMC_CLASS(oc);
+
+ dc->realize = ipmi_sim_realize;
+ bk->handle_command = ipmi_sim_handle_command;
+}
+
+static const TypeInfo ipmi_sim_type = {
+ .name = TYPE_IPMI_BMC_SIMULATOR,
+ .parent = TYPE_IPMI_BMC,
+ .instance_size = sizeof(IPMIBmcSim),
+ .class_init = ipmi_sim_class_init,
+};
+
+static void ipmi_sim_register_types(void)
+{
+ type_register_static(&ipmi_sim_type);
+}
+
+type_init(ipmi_sim_register_types)
Code Review / kvmfornfv.git / blobdiff