Index: sys/dev/ipmi.c
===================================================================
RCS file: sys/dev/ipmi.c
diff -N sys/dev/ipmi.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ sys/dev/ipmi.c 25 Dec 2018 10:30:19 -0000
@@ -0,0 +1,2205 @@
+/* $NetBSD$ */
+
+/*
+ * Copyright (c) 2006 Manuel Bouyer.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/*
+ * Copyright (c) 2005 Jordan Hargrave
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: ipmi.c,v 1.70 2018/12/17 16:26:03 christos Exp $");
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/device.h>
+#include <sys/extent.h>
+#include <sys/callout.h>
+#include <sys/envsys.h>
+#include <sys/malloc.h>
+#include <sys/kthread.h>
+#include <sys/bus.h>
+#include <sys/intr.h>
+
+#include <dev/isa/isareg.h>
+#include <dev/isa/isavar.h>
+
+#include <dev/ipmivar.h>
+
+#include <uvm/uvm_extern.h>
+
+struct ipmi_sensor {
+ uint8_t *i_sdr;
+ int i_num;
+ int i_stype;
+ int i_etype;
+ char i_envdesc[64];
+ int i_envtype; /* envsys compatible type */
+ int i_envnum; /* envsys index */
+ sysmon_envsys_lim_t i_limits, i_deflims;
+ uint32_t i_props, i_defprops;
+ SLIST_ENTRY(ipmi_sensor) i_list;
+ int32_t i_prevval; /* feed rnd source on change */
+};
+
+#if 0
+static int ipmi_nintr;
+#endif
+static int ipmi_dbg = 0;
+static int ipmi_enabled = 0;
+
+#define SENSOR_REFRESH_RATE (hz / 2)
+
+#define IPMI_BTMSG_LEN 0
+#define IPMI_BTMSG_NFLN 1
+#define IPMI_BTMSG_SEQ 2
+#define IPMI_BTMSG_CMD 3
+#define IPMI_BTMSG_CCODE 4
+#define IPMI_BTMSG_DATASND 4
+#define IPMI_BTMSG_DATARCV 5
+
+#define IPMI_MSG_NFLN 0
+#define IPMI_MSG_CMD 1
+#define IPMI_MSG_CCODE 2
+#define IPMI_MSG_DATASND 2
+#define IPMI_MSG_DATARCV 3
+
+#define IPMI_SENSOR_TYPE_TEMP 0x0101
+#define IPMI_SENSOR_TYPE_VOLT 0x0102
+#define IPMI_SENSOR_TYPE_FAN 0x0104
+#define IPMI_SENSOR_TYPE_INTRUSION 0x6F05
+#define IPMI_SENSOR_TYPE_PWRSUPPLY 0x6F08
+
+#define IPMI_NAME_UNICODE 0x00
+#define IPMI_NAME_BCDPLUS 0x01
+#define IPMI_NAME_ASCII6BIT 0x02
+#define IPMI_NAME_ASCII8BIT 0x03
+
+#define IPMI_ENTITY_PWRSUPPLY 0x0A
+
+#define IPMI_SENSOR_SCANNING_ENABLED (1L << 6)
+#define IPMI_SENSOR_UNAVAILABLE (1L << 5)
+#define IPMI_INVALID_SENSOR_P(x) \
+ (((x) & (IPMI_SENSOR_SCANNING_ENABLED|IPMI_SENSOR_UNAVAILABLE)) \
+ != IPMI_SENSOR_SCANNING_ENABLED)
+
+#define IPMI_SDR_TYPEFULL 1
+#define IPMI_SDR_TYPECOMPACT 2
+
+#define byteof(x) ((x) >> 3)
+#define bitof(x) (1L << ((x) & 0x7))
+#define TB(b,m) (data[2+byteof(b)] & bitof(b))
+
+#define dbg_printf(lvl, fmt...) \
+ if (ipmi_dbg >= lvl) \
+ printf(fmt);
+#define dbg_dump(lvl, msg, len, buf) \
+ if (len && ipmi_dbg >= lvl) \
+ dumpb(msg, len, (const uint8_t *)(buf));
+
+static long signextend(unsigned long, int);
+
+SLIST_HEAD(ipmi_sensors_head, ipmi_sensor);
+static struct ipmi_sensors_head ipmi_sensor_list =
+ SLIST_HEAD_INITIALIZER(&ipmi_sensor_list);
+
+static void dumpb(const char *, int, const uint8_t *);
+
+static int read_sensor(struct ipmi_softc *, struct ipmi_sensor *);
+static int add_sdr_sensor(struct ipmi_softc *, uint8_t *);
+static int get_sdr_partial(struct ipmi_softc *, uint16_t, uint16_t,
+ uint8_t, uint8_t, void *, uint16_t *);
+static int get_sdr(struct ipmi_softc *, uint16_t, uint16_t *);
+
+static char *ipmi_buf_acquire(struct ipmi_softc *, size_t);
+static void ipmi_buf_release(struct ipmi_softc *, char *);
+static int ipmi_sendcmd(struct ipmi_softc *, int, int, int, int, int, const void*);
+static int ipmi_recvcmd(struct ipmi_softc *, int, int *, void *);
+static void ipmi_delay(struct ipmi_softc *, int);
+
+static int ipmi_watchdog_setmode(struct sysmon_wdog *);
+static int ipmi_watchdog_tickle(struct sysmon_wdog *);
+static void ipmi_dotickle(struct ipmi_softc *);
+
+#if 0
+static int ipmi_intr(void *);
+#endif
+
+static int ipmi_match(device_t, cfdata_t, void *);
+static void ipmi_attach(device_t, device_t, void *);
+static int ipmi_detach(device_t, int);
+
+static long ipmi_convert(uint8_t, struct sdrtype1 *, long);
+static void ipmi_sensor_name(char *, int, uint8_t, uint8_t *);
+
+/* BMC Helper Functions */
+static uint8_t bmc_read(struct ipmi_softc *, int);
+static void bmc_write(struct ipmi_softc *, int, uint8_t);
+static int bmc_io_wait(struct ipmi_softc *, int, uint8_t, uint8_t, const char *);
+static int bmc_io_wait_spin(struct ipmi_softc *, int, uint8_t, uint8_t);
+static int bmc_io_wait_sleep(struct ipmi_softc *, int, uint8_t, uint8_t);
+
+static void *bt_buildmsg(struct ipmi_softc *, int, int, int, const void *, int *);
+static void *cmn_buildmsg(struct ipmi_softc *, int, int, int, const void *, int *);
+
+static int getbits(uint8_t *, int, int);
+static int ipmi_sensor_type(int, int, int);
+
+static void ipmi_refresh_sensors(struct ipmi_softc *);
+static int ipmi_map_regs(struct ipmi_softc *, struct ipmi_attach_args *);
+static void ipmi_unmap_regs(struct ipmi_softc *);
+
+static int32_t ipmi_convert_sensor(uint8_t *, struct ipmi_sensor *);
+static void ipmi_set_limits(struct sysmon_envsys *, envsys_data_t *,
+ sysmon_envsys_lim_t *, uint32_t *);
+static void ipmi_get_limits(struct sysmon_envsys *, envsys_data_t *,
+ sysmon_envsys_lim_t *, uint32_t *);
+static void ipmi_get_sensor_limits(struct ipmi_softc *, struct ipmi_sensor *,
+ sysmon_envsys_lim_t *, uint32_t *);
+static int ipmi_sensor_status(struct ipmi_softc *, struct ipmi_sensor *,
+ envsys_data_t *, uint8_t *);
+
+static int add_child_sensors(struct ipmi_softc *, uint8_t *, int, int, int,
+ int, int, int, const char *);
+
+static bool ipmi_suspend(device_t, const pmf_qual_t *);
+
+static int kcs_probe(struct ipmi_softc *);
+static int kcs_reset(struct ipmi_softc *);
+static int kcs_sendmsg(struct ipmi_softc *, int, const uint8_t *);
+static int kcs_recvmsg(struct ipmi_softc *, int, int *len, uint8_t *);
+
+static int bt_probe(struct ipmi_softc *);
+static int bt_reset(struct ipmi_softc *);
+static int bt_sendmsg(struct ipmi_softc *, int, const uint8_t *);
+static int bt_recvmsg(struct ipmi_softc *, int, int *, uint8_t *);
+
+static int smic_probe(struct ipmi_softc *);
+static int smic_reset(struct ipmi_softc *);
+static int smic_sendmsg(struct ipmi_softc *, int, const uint8_t *);
+static int smic_recvmsg(struct ipmi_softc *, int, int *, uint8_t *);
+
+static struct ipmi_if kcs_if = {
+ "KCS",
+ IPMI_IF_KCS_NREGS,
+ cmn_buildmsg,
+ kcs_sendmsg,
+ kcs_recvmsg,
+ kcs_reset,
+ kcs_probe,
+};
+
+static struct ipmi_if smic_if = {
+ "SMIC",
+ IPMI_IF_SMIC_NREGS,
+ cmn_buildmsg,
+ smic_sendmsg,
+ smic_recvmsg,
+ smic_reset,
+ smic_probe,
+};
+
+static struct ipmi_if bt_if = {
+ "BT",
+ IPMI_IF_BT_NREGS,
+ bt_buildmsg,
+ bt_sendmsg,
+ bt_recvmsg,
+ bt_reset,
+ bt_probe,
+};
+
+static struct ipmi_if *ipmi_get_if(int);
+
+static struct ipmi_if *
+ipmi_get_if(int iftype)
+{
+ switch (iftype) {
+ case IPMI_IF_KCS:
+ return &kcs_if;
+ case IPMI_IF_SMIC:
+ return &smic_if;
+ case IPMI_IF_BT:
+ return &bt_if;
+ default:
+ return NULL;
+ }
+}
+
+/*
+ * BMC Helper Functions
+ */
+static uint8_t
+bmc_read(struct ipmi_softc *sc, int offset)
+{
+ return bus_space_read_1(sc->sc_iot, sc->sc_ioh,
+ offset * sc->sc_if_iospacing);
+}
+
+static void
+bmc_write(struct ipmi_softc *sc, int offset, uint8_t val)
+{
+ bus_space_write_1(sc->sc_iot, sc->sc_ioh,
+ offset * sc->sc_if_iospacing, val);
+}
+
+static int
+bmc_io_wait_sleep(struct ipmi_softc *sc, int offset, uint8_t mask,
+ uint8_t value)
+{
+ int retries;
+ uint8_t v;
+
+ KASSERT(mutex_owned(&sc->sc_cmd_mtx));
+
+ for (retries = 0; retries < sc->sc_max_retries; retries++) {
+ v = bmc_read(sc, offset);
+ if ((v & mask) == value)
+ return v;
+ mutex_enter(&sc->sc_sleep_mtx);
+ cv_timedwait(&sc->sc_cmd_sleep, &sc->sc_sleep_mtx, 1);
+ mutex_exit(&sc->sc_sleep_mtx);
+ }
+ return -1;
+}
+
+static int
+bmc_io_wait(struct ipmi_softc *sc, int offset, uint8_t mask, uint8_t value,
+ const char *lbl)
+{
+ int v;
+
+ v = bmc_io_wait_spin(sc, offset, mask, value);
+ if (cold || v != -1)
+ return v;
+
+ return bmc_io_wait_sleep(sc, offset, mask, value);
+}
+
+static int
+bmc_io_wait_spin(struct ipmi_softc *sc, int offset, uint8_t mask,
+ uint8_t value)
+{
+ uint8_t v;
+ int count = cold ? 15000 : 500;
+ /* ~us */
+
+ while (count--) {
+ v = bmc_read(sc, offset);
+ if ((v & mask) == value)
+ return v;
+
+ delay(1);
+ }
+
+ return -1;
+
+}
+
+#define NETFN_LUN(nf,ln) (((nf) << 2) | ((ln) & 0x3))
+
+/*
+ * BT interface
+ */
+#define _BT_CTRL_REG 0
+#define BT_CLR_WR_PTR (1L << 0)
+#define BT_CLR_RD_PTR (1L << 1)
+#define BT_HOST2BMC_ATN (1L << 2)
+#define BT_BMC2HOST_ATN (1L << 3)
+#define BT_EVT_ATN (1L << 4)
+#define BT_HOST_BUSY (1L << 6)
+#define BT_BMC_BUSY (1L << 7)
+
+#define BT_READY (BT_HOST_BUSY|BT_HOST2BMC_ATN|BT_BMC2HOST_ATN)
+
+#define _BT_DATAIN_REG 1
+#define _BT_DATAOUT_REG 1
+
+#define _BT_INTMASK_REG 2
+#define BT_IM_HIRQ_PEND (1L << 1)
+#define BT_IM_SCI_EN (1L << 2)
+#define BT_IM_SMI_EN (1L << 3)
+#define BT_IM_NMI2SMI (1L << 4)
+
+static int bt_read(struct ipmi_softc *, int);
+static int bt_write(struct ipmi_softc *, int, uint8_t);
+
+static int
+bt_read(struct ipmi_softc *sc, int reg)
+{
+ return bmc_read(sc, reg);
+}
+
+static int
+bt_write(struct ipmi_softc *sc, int reg, uint8_t data)
+{
+ if (bmc_io_wait(sc, _BT_CTRL_REG, BT_BMC_BUSY, 0, __func__) < 0)
+ return -1;
+
+ bmc_write(sc, reg, data);
+ return 0;
+}
+
+static int
+bt_sendmsg(struct ipmi_softc *sc, int len, const uint8_t *data)
+{
+ int i;
+
+ bt_write(sc, _BT_CTRL_REG, BT_CLR_WR_PTR);
+ for (i = 0; i < len; i++)
+ bt_write(sc, _BT_DATAOUT_REG, data[i]);
+
+ bt_write(sc, _BT_CTRL_REG, BT_HOST2BMC_ATN);
+ if (bmc_io_wait(sc, _BT_CTRL_REG, BT_HOST2BMC_ATN | BT_BMC_BUSY, 0,
+ __func__) < 0)
+ return -1;
+
+ return 0;
+}
+
+static int
+bt_recvmsg(struct ipmi_softc *sc, int maxlen, int *rxlen, uint8_t *data)
+{
+ uint8_t len, v, i;
+
+ if (bmc_io_wait(sc, _BT_CTRL_REG, BT_BMC2HOST_ATN, BT_BMC2HOST_ATN,
+ __func__) < 0)
+ return -1;
+
+ bt_write(sc, _BT_CTRL_REG, BT_HOST_BUSY);
+ bt_write(sc, _BT_CTRL_REG, BT_BMC2HOST_ATN);
+ bt_write(sc, _BT_CTRL_REG, BT_CLR_RD_PTR);
+ len = bt_read(sc, _BT_DATAIN_REG);
+ for (i = IPMI_BTMSG_NFLN; i <= len; i++) {
+ v = bt_read(sc, _BT_DATAIN_REG);
+ if (i != IPMI_BTMSG_SEQ)
+ *(data++) = v;
+ }
+ bt_write(sc, _BT_CTRL_REG, BT_HOST_BUSY);
+ *rxlen = len - 1;
+
+ return 0;
+}
+
+static int
+bt_reset(struct ipmi_softc *sc)
+{
+ return -1;
+}
+
+static int
+bt_probe(struct ipmi_softc *sc)
+{
+ uint8_t rv;
+
+ rv = bmc_read(sc, _BT_CTRL_REG);
+ rv &= BT_HOST_BUSY;
+ rv |= BT_CLR_WR_PTR|BT_CLR_RD_PTR|BT_BMC2HOST_ATN|BT_HOST2BMC_ATN;
+ bmc_write(sc, _BT_CTRL_REG, rv);
+
+ rv = bmc_read(sc, _BT_INTMASK_REG);
+ rv &= BT_IM_SCI_EN|BT_IM_SMI_EN|BT_IM_NMI2SMI;
+ rv |= BT_IM_HIRQ_PEND;
+ bmc_write(sc, _BT_INTMASK_REG, rv);
+
+#if 0
+ printf("%s: %2x\n", __func__, v);
+ printf(" WR : %2x\n", v & BT_CLR_WR_PTR);
+ printf(" RD : %2x\n", v & BT_CLR_RD_PTR);
+ printf(" H2B : %2x\n", v & BT_HOST2BMC_ATN);
+ printf(" B2H : %2x\n", v & BT_BMC2HOST_ATN);
+ printf(" EVT : %2x\n", v & BT_EVT_ATN);
+ printf(" HBSY : %2x\n", v & BT_HOST_BUSY);
+ printf(" BBSY : %2x\n", v & BT_BMC_BUSY);
+#endif
+ return 0;
+}
+
+/*
+ * SMIC interface
+ */
+#define _SMIC_DATAIN_REG 0
+#define _SMIC_DATAOUT_REG 0
+
+#define _SMIC_CTRL_REG 1
+#define SMS_CC_GET_STATUS 0x40
+#define SMS_CC_START_TRANSFER 0x41
+#define SMS_CC_NEXT_TRANSFER 0x42
+#define SMS_CC_END_TRANSFER 0x43
+#define SMS_CC_START_RECEIVE 0x44
+#define SMS_CC_NEXT_RECEIVE 0x45
+#define SMS_CC_END_RECEIVE 0x46
+#define SMS_CC_TRANSFER_ABORT 0x47
+
+#define SMS_SC_READY 0xc0
+#define SMS_SC_WRITE_START 0xc1
+#define SMS_SC_WRITE_NEXT 0xc2
+#define SMS_SC_WRITE_END 0xc3
+#define SMS_SC_READ_START 0xc4
+#define SMS_SC_READ_NEXT 0xc5
+#define SMS_SC_READ_END 0xc6
+
+#define _SMIC_FLAG_REG 2
+#define SMIC_BUSY (1L << 0)
+#define SMIC_SMS_ATN (1L << 2)
+#define SMIC_EVT_ATN (1L << 3)
+#define SMIC_SMI (1L << 4)
+#define SMIC_TX_DATA_RDY (1L << 6)
+#define SMIC_RX_DATA_RDY (1L << 7)
+
+static int smic_wait(struct ipmi_softc *, uint8_t, uint8_t, const char *);
+static int smic_write_cmd_data(struct ipmi_softc *, uint8_t, const uint8_t *);
+static int smic_read_data(struct ipmi_softc *, uint8_t *);
+
+static int
+smic_wait(struct ipmi_softc *sc, uint8_t mask, uint8_t val, const char *lbl)
+{
+ int v;
+
+ /* Wait for expected flag bits */
+ v = bmc_io_wait(sc, _SMIC_FLAG_REG, mask, val, __func__);
+ if (v < 0)
+ return -1;
+
+ /* Return current status */
+ v = bmc_read(sc, _SMIC_CTRL_REG);
+ dbg_printf(99, "%s(%s) = %#.2x\n", __func__, lbl, v);
+ return v;
+}
+
+static int
+smic_write_cmd_data(struct ipmi_softc *sc, uint8_t cmd, const uint8_t *data)
+{
+ int sts, v;
+
+ dbg_printf(50, "%s: %#.2x %#.2x\n", __func__, cmd, data ? *data : -1);
+ sts = smic_wait(sc, SMIC_TX_DATA_RDY | SMIC_BUSY, SMIC_TX_DATA_RDY,
+ "smic_write_cmd_data ready");
+ if (sts < 0)
+ return sts;
+
+ bmc_write(sc, _SMIC_CTRL_REG, cmd);
+ if (data)
+ bmc_write(sc, _SMIC_DATAOUT_REG, *data);
+
+ /* Toggle BUSY bit, then wait for busy bit to clear */
+ v = bmc_read(sc, _SMIC_FLAG_REG);
+ bmc_write(sc, _SMIC_FLAG_REG, v | SMIC_BUSY);
+
+ return smic_wait(sc, SMIC_BUSY, 0, __func__);
+}
+
+static int
+smic_read_data(struct ipmi_softc *sc, uint8_t *data)
+{
+ int sts;
+
+ sts = smic_wait(sc, SMIC_RX_DATA_RDY | SMIC_BUSY, SMIC_RX_DATA_RDY,
+ __func__);
+ if (sts >= 0) {
+ *data = bmc_read(sc, _SMIC_DATAIN_REG);
+ dbg_printf(50, "%s: %#.2x\n", __func__, *data);
+ }
+ return sts;
+}
+
+#define ErrStat(a, ...) if (a) printf(__VA_ARGS__);
+
+static int
+smic_sendmsg(struct ipmi_softc *sc, int len, const uint8_t *data)
+{
+ int sts, idx;
+
+ sts = smic_write_cmd_data(sc, SMS_CC_START_TRANSFER, &data[0]);
+ ErrStat(sts != SMS_SC_WRITE_START, "%s: wstart", __func__);
+ for (idx = 1; idx < len - 1; idx++) {
+ sts = smic_write_cmd_data(sc, SMS_CC_NEXT_TRANSFER,
+ &data[idx]);
+ ErrStat(sts != SMS_SC_WRITE_NEXT, "%s: write", __func__);
+ }
+ sts = smic_write_cmd_data(sc, SMS_CC_END_TRANSFER, &data[idx]);
+ if (sts != SMS_SC_WRITE_END) {
+ dbg_printf(50, "%s: %d/%d = %#.2x\n", __func__, idx, len, sts);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+smic_recvmsg(struct ipmi_softc *sc, int maxlen, int *len, uint8_t *data)
+{
+ int sts, idx;
+
+ *len = 0;
+ sts = smic_wait(sc, SMIC_RX_DATA_RDY, SMIC_RX_DATA_RDY, __func__);
+ if (sts < 0)
+ return -1;
+
+ sts = smic_write_cmd_data(sc, SMS_CC_START_RECEIVE, NULL);
+ ErrStat(sts != SMS_SC_READ_START, "%s: rstart", __func__);
+ for (idx = 0;; ) {
+ sts = smic_read_data(sc, &data[idx++]);
+ if (sts != SMS_SC_READ_START && sts != SMS_SC_READ_NEXT)
+ break;
+ smic_write_cmd_data(sc, SMS_CC_NEXT_RECEIVE, NULL);
+ }
+ ErrStat(sts != SMS_SC_READ_END, "%s: rend", __func__);
+
+ *len = idx;
+
+ sts = smic_write_cmd_data(sc, SMS_CC_END_RECEIVE, NULL);
+ if (sts != SMS_SC_READY) {
+ dbg_printf(50, "%s: %d/%d = %#.2x\n",
+ __func__, idx, maxlen, sts);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+smic_reset(struct ipmi_softc *sc)
+{
+ return -1;
+}
+
+static int
+smic_probe(struct ipmi_softc *sc)
+{
+ /* Flag register should not be 0xFF on a good system */
+ if (bmc_read(sc, _SMIC_FLAG_REG) == 0xFF)
+ return -1;
+
+ return 0;
+}
+
+/*
+ * KCS interface
+ */
+#define _KCS_DATAIN_REGISTER 0
+#define _KCS_DATAOUT_REGISTER 0
+#define KCS_READ_NEXT 0x68
+
+#define _KCS_COMMAND_REGISTER 1
+#define KCS_GET_STATUS 0x60
+#define KCS_WRITE_START 0x61
+#define KCS_WRITE_END 0x62
+
+#define _KCS_STATUS_REGISTER 1
+#define KCS_OBF (1L << 0)
+#define KCS_IBF (1L << 1)
+#define KCS_SMS_ATN (1L << 2)
+#define KCS_CD (1L << 3)
+#define KCS_OEM1 (1L << 4)
+#define KCS_OEM2 (1L << 5)
+#define KCS_STATE_MASK 0xc0
+#define KCS_IDLE_STATE 0x00
+#define KCS_READ_STATE 0x40
+#define KCS_WRITE_STATE 0x80
+#define KCS_ERROR_STATE 0xC0
+
+static int kcs_wait(struct ipmi_softc *, uint8_t, uint8_t, const char *);
+static int kcs_write_cmd(struct ipmi_softc *, uint8_t);
+static int kcs_write_data(struct ipmi_softc *, uint8_t);
+static int kcs_read_data(struct ipmi_softc *, uint8_t *);
+
+static int
+kcs_wait(struct ipmi_softc *sc, uint8_t mask, uint8_t value, const char *lbl)
+{
+ int v;
+
+ v = bmc_io_wait(sc, _KCS_STATUS_REGISTER, mask, value, lbl);
+ if (v < 0)
+ return v;
+
+ /* Check if output buffer full, read dummy byte */
+ if ((v & (KCS_OBF | KCS_STATE_MASK)) == (KCS_OBF | KCS_WRITE_STATE))
+ bmc_read(sc, _KCS_DATAIN_REGISTER);
+
+ /* Check for error state */
+ if ((v & KCS_STATE_MASK) == KCS_ERROR_STATE) {
+ bmc_write(sc, _KCS_COMMAND_REGISTER, KCS_GET_STATUS);
+ while (bmc_read(sc, _KCS_STATUS_REGISTER) & KCS_IBF)
+ ;
+ aprint_error_dev(sc->sc_dev, "error code: %#x\n",
+ bmc_read(sc, _KCS_DATAIN_REGISTER));
+ }
+
+ return v & KCS_STATE_MASK;
+}
+
+static int
+kcs_write_cmd(struct ipmi_softc *sc, uint8_t cmd)
+{
+ /* ASSERT: IBF and OBF are clear */
+ dbg_printf(50, "%s: %#.2x\n", __func__, cmd);
+ bmc_write(sc, _KCS_COMMAND_REGISTER, cmd);
+
+ return kcs_wait(sc, KCS_IBF, 0, "write_cmd");
+}
+
+static int
+kcs_write_data(struct ipmi_softc *sc, uint8_t data)
+{
+ /* ASSERT: IBF and OBF are clear */
+ dbg_printf(50, "%s: %#.2x\n", __func__, data);
+ bmc_write(sc, _KCS_DATAOUT_REGISTER, data);
+
+ return kcs_wait(sc, KCS_IBF, 0, "write_data");
+}
+
+static int
+kcs_read_data(struct ipmi_softc *sc, uint8_t * data)
+{
+ int sts;
+
+ sts = kcs_wait(sc, KCS_IBF | KCS_OBF, KCS_OBF, __func__);
+ if (sts != KCS_READ_STATE)
+ return sts;
+
+ /* ASSERT: OBF is set read data, request next byte */
+ *data = bmc_read(sc, _KCS_DATAIN_REGISTER);
+ bmc_write(sc, _KCS_DATAOUT_REGISTER, KCS_READ_NEXT);
+
+ dbg_printf(50, "%s: %#.2x\n", __func__, *data);
+
+ return sts;
+}
+
+/* Exported KCS functions */
+static int
+kcs_sendmsg(struct ipmi_softc *sc, int len, const uint8_t * data)
+{
+ int idx, sts;
+
+ /* ASSERT: IBF is clear */
+ dbg_dump(50, __func__, len, data);
+ sts = kcs_write_cmd(sc, KCS_WRITE_START);
+ for (idx = 0; idx < len; idx++) {
+ if (idx == len - 1)
+ sts = kcs_write_cmd(sc, KCS_WRITE_END);
+
+ if (sts != KCS_WRITE_STATE)
+ break;
+
+ sts = kcs_write_data(sc, data[idx]);
+ }
+ if (sts != KCS_READ_STATE) {
+ dbg_printf(1, "%s: %d/%d <%#.2x>\n", __func__, idx, len, sts);
+ dbg_dump(1, __func__, len, data);
+ return -1;
+ }
+
+ return 0;
+}
+
+static int
+kcs_recvmsg(struct ipmi_softc *sc, int maxlen, int *rxlen, uint8_t * data)
+{
+ int idx, sts;
+
+ for (idx = 0; idx < maxlen; idx++) {
+ sts = kcs_read_data(sc, &data[idx]);
+ if (sts != KCS_READ_STATE)
+ break;
+ }
+ sts = kcs_wait(sc, KCS_IBF, 0, __func__);
+ *rxlen = idx;
+ if (sts != KCS_IDLE_STATE) {
+ dbg_printf(1, "%s: %d/%d <%#.2x>\n",
+ __func__, idx, maxlen, sts);
+ return -1;
+ }
+
+ dbg_dump(50, __func__, idx, data);
+
+ return 0;
+}
+
+static int
+kcs_reset(struct ipmi_softc *sc)
+{
+ return -1;
+}
+
+static int
+kcs_probe(struct ipmi_softc *sc)
+{
+ uint8_t v;
+
+ v = bmc_read(sc, _KCS_STATUS_REGISTER);
+#if 0
+ printf("%s: %2x\n", __func__, v);
+ printf(" STS: %2x\n", v & KCS_STATE_MASK);
+ printf(" ATN: %2x\n", v & KCS_SMS_ATN);
+ printf(" C/D: %2x\n", v & KCS_CD);
+ printf(" IBF: %2x\n", v & KCS_IBF);
+ printf(" OBF: %2x\n", v & KCS_OBF);
+#else
+ __USE(v);
+#endif
+ return 0;
+}
+
+/*
+ * IPMI code
+ */
+#define READ_SMS_BUFFER 0x37
+#define WRITE_I2C 0x50
+
+#define GET_MESSAGE_CMD 0x33
+#define SEND_MESSAGE_CMD 0x34
+
+#define IPMB_CHANNEL_NUMBER 0
+
+#define PUBLIC_BUS 0
+
+#define MIN_I2C_PACKET_SIZE 3
+#define MIN_IMB_PACKET_SIZE 7 /* one byte for cksum */
+
+#define MIN_BTBMC_REQ_SIZE 4
+#define MIN_BTBMC_RSP_SIZE 5
+#define MIN_BMC_REQ_SIZE 2
+#define MIN_BMC_RSP_SIZE 3
+
+#define BMC_SA 0x20 /* BMC/ESM3 */
+#define FPC_SA 0x22 /* front panel */
+#define BP_SA 0xC0 /* Primary Backplane */
+#define BP2_SA 0xC2 /* Secondary Backplane */
+#define PBP_SA 0xC4 /* Peripheral Backplane */
+#define DRAC_SA 0x28 /* DRAC-III */
+#define DRAC3_SA 0x30 /* DRAC-III */
+#define BMC_LUN 0
+#define SMS_LUN 2
+
+struct ipmi_request {
+ uint8_t rsSa;
+ uint8_t rsLun;
+ uint8_t netFn;
+ uint8_t cmd;
+ uint8_t data_len;
+ uint8_t *data;
+};
+
+struct ipmi_response {
+ uint8_t cCode;
+ uint8_t data_len;
+ uint8_t *data;
+};
+
+struct ipmi_bmc_request {
+ uint8_t bmc_nfLn;
+ uint8_t bmc_cmd;
+ uint8_t bmc_data_len;
+ uint8_t bmc_data[1];
+};
+
+struct ipmi_bmc_response {
+ uint8_t bmc_nfLn;
+ uint8_t bmc_cmd;
+ uint8_t bmc_cCode;
+ uint8_t bmc_data_len;
+ uint8_t bmc_data[1];
+};
+
+
+CFATTACH_DECL2_NEW(ipmi, sizeof(struct ipmi_softc),
+ ipmi_match, ipmi_attach, ipmi_detach, NULL, NULL, NULL);
+
+static void
+dumpb(const char *lbl, int len, const uint8_t *data)
+{
+ int idx;
+
+ printf("%s: ", lbl);
+ for (idx = 0; idx < len; idx++)
+ printf("%.2x ", data[idx]);
+
+ printf("\n");
+}
+
+/*
+ * bt_buildmsg builds an IPMI message from a nfLun, cmd, and data
+ * This is used by BT protocol
+ *
+ * Returns a buffer to an allocated message, txlen contains length
+ * of allocated message
+ */
+static void *
+bt_buildmsg(struct ipmi_softc *sc, int nfLun, int cmd, int len,
+ const void *data, int *txlen)
+{
+ uint8_t *buf;
+
+ /* Block transfer needs 4 extra bytes: length/netfn/seq/cmd + data */
+ *txlen = len + 4;
+ buf = ipmi_buf_acquire(sc, *txlen);
+ if (buf == NULL)
+ return NULL;
+
+ buf[IPMI_BTMSG_LEN] = len + 3;
+ buf[IPMI_BTMSG_NFLN] = nfLun;
+ buf[IPMI_BTMSG_SEQ] = sc->sc_btseq++;
+ buf[IPMI_BTMSG_CMD] = cmd;
+ if (len && data)
+ memcpy(buf + IPMI_BTMSG_DATASND, data, len);
+
+ return buf;
+}
+
+/*
+ * cmn_buildmsg builds an IPMI message from a nfLun, cmd, and data
+ * This is used by both SMIC and KCS protocols
+ *
+ * Returns a buffer to an allocated message, txlen contains length
+ * of allocated message
+ */
+static void *
+cmn_buildmsg(struct ipmi_softc *sc, int nfLun, int cmd, int len,
+ const void *data, int *txlen)
+{
+ uint8_t *buf;
+
+ /* Common needs two extra bytes: nfLun/cmd + data */
+ *txlen = len + 2;
+ buf = ipmi_buf_acquire(sc, *txlen);
+ if (buf == NULL)
+ return NULL;
+
+ buf[IPMI_MSG_NFLN] = nfLun;
+ buf[IPMI_MSG_CMD] = cmd;
+ if (len && data)
+ memcpy(buf + IPMI_MSG_DATASND, data, len);
+
+ return buf;
+}
+
+/*
+ * ipmi_sendcmd: caller must hold sc_cmd_mtx.
+ *
+ * Send an IPMI command
+ */
+static int
+ipmi_sendcmd(struct ipmi_softc *sc, int rssa, int rslun, int netfn, int cmd,
+ int txlen, const void *data)
+{
+ uint8_t *buf;
+ int rc = -1;
+
+ dbg_printf(50, "%s: rssa=%#.2x nfln=%#.2x cmd=%#.2x len=%#.2x\n",
+ __func__, rssa, NETFN_LUN(netfn, rslun), cmd, txlen);
+ dbg_dump(10, __func__, txlen, data);
+ if (rssa != BMC_SA) {
+#if 0
+ buf = sc->sc_if->buildmsg(sc, NETFN_LUN(APP_NETFN, BMC_LUN),
+ APP_SEND_MESSAGE, 7 + txlen, NULL, &txlen);
+ pI2C->bus = (sc->if_ver == 0x09) ?
+ PUBLIC_BUS :
+ IPMB_CHANNEL_NUMBER;
+
+ imbreq->rsSa = rssa;
+ imbreq->nfLn = NETFN_LUN(netfn, rslun);
+ imbreq->cSum1 = -(imbreq->rsSa + imbreq->nfLn);
+ imbreq->rqSa = BMC_SA;
+ imbreq->seqLn = NETFN_LUN(sc->imb_seq++, SMS_LUN);
+ imbreq->cmd = cmd;
+ if (txlen)
+ memcpy(imbreq->data, data, txlen);
+ /* Set message checksum */
+ imbreq->data[txlen] = cksum8(&imbreq->rqSa, txlen + 3);
+#endif
+ goto done;
+ } else
+ buf = sc->sc_if->buildmsg(sc, NETFN_LUN(netfn, rslun), cmd,
+ txlen, data, &txlen);
+
+ if (buf == NULL) {
+ aprint_error_dev(sc->sc_dev, "sendcmd buffer busy\n");
+ goto done;
+ }
+ rc = sc->sc_if->sendmsg(sc, txlen, buf);
+ ipmi_buf_release(sc, buf);
+
+ ipmi_delay(sc, 50); /* give bmc chance to digest command */
+
+done:
+ return rc;
+}
+
+static void
+ipmi_buf_release(struct ipmi_softc *sc, char *buf)
+{
+ KASSERT(sc->sc_buf_rsvd);
+ KASSERT(sc->sc_buf == buf);
+ sc->sc_buf_rsvd = false;
+}
+
+static char *
+ipmi_buf_acquire(struct ipmi_softc *sc, size_t len)
+{
+ KASSERT(len <= sizeof(sc->sc_buf));
+
+ if (sc->sc_buf_rsvd || len > sizeof(sc->sc_buf))
+ return NULL;
+ sc->sc_buf_rsvd = true;
+ return sc->sc_buf;
+}
+
+/*
+ * ipmi_recvcmd: caller must hold sc_cmd_mtx.
+ */
+static int
+ipmi_recvcmd(struct ipmi_softc *sc, int maxlen, int *rxlen, void *data)
+{
+ uint8_t *buf, rc = 0;
+ int rawlen;
+
+ /* Need three extra bytes: netfn/cmd/ccode + data */
+ buf = ipmi_buf_acquire(sc, maxlen + 3);
+ if (buf == NULL) {
+ aprint_error_dev(sc->sc_dev, "%s: malloc fails\n", __func__);
+ return -1;
+ }
+ /* Receive message from interface, copy out result data */
+ if (sc->sc_if->recvmsg(sc, maxlen + 3, &rawlen, buf)) {
+ ipmi_buf_release(sc, buf);
+ return -1;
+ }
+
+ *rxlen = rawlen - IPMI_MSG_DATARCV;
+ if (*rxlen > 0 && data)
+ memcpy(data, buf + IPMI_MSG_DATARCV, *rxlen);
+
+ if ((rc = buf[IPMI_MSG_CCODE]) != 0)
+ dbg_printf(1, "%s: nfln=%#.2x cmd=%#.2x err=%#.2x\n", __func__,
+ buf[IPMI_MSG_NFLN], buf[IPMI_MSG_CMD], buf[IPMI_MSG_CCODE]);
+
+ dbg_printf(50, "%s: nfln=%#.2x cmd=%#.2x err=%#.2x len=%#.2x\n",
+ __func__, buf[IPMI_MSG_NFLN], buf[IPMI_MSG_CMD],
+ buf[IPMI_MSG_CCODE], *rxlen);
+ dbg_dump(10, __func__, *rxlen, data);
+
+ ipmi_buf_release(sc, buf);
+
+ return rc;
+}
+
+/*
+ * ipmi_delay: caller must hold sc_cmd_mtx.
+ */
+static void
+ipmi_delay(struct ipmi_softc *sc, int ms)
+{
+ if (cold) {
+ delay(ms * 1000);
+ return;
+ }
+ mutex_enter(&sc->sc_sleep_mtx);
+ cv_timedwait(&sc->sc_cmd_sleep, &sc->sc_sleep_mtx, mstohz(ms));
+ mutex_exit(&sc->sc_sleep_mtx);
+}
+
+/* Read a partial SDR entry */
+static int
+get_sdr_partial(struct ipmi_softc *sc, uint16_t recordId, uint16_t reserveId,
+ uint8_t offset, uint8_t length, void *buffer, uint16_t *nxtRecordId)
+{
+ uint8_t cmd[256 + 8];
+ int len;
+
+ ((uint16_t *) cmd)[0] = reserveId;
+ ((uint16_t *) cmd)[1] = recordId;
+ cmd[4] = offset;
+ cmd[5] = length;
+ mutex_enter(&sc->sc_cmd_mtx);
+ if (ipmi_sendcmd(sc, BMC_SA, 0, STORAGE_NETFN, STORAGE_GET_SDR, 6,
+ cmd)) {
+ mutex_exit(&sc->sc_cmd_mtx);
+ aprint_error_dev(sc->sc_dev, "%s: sendcmd fails\n", __func__);
+ return -1;
+ }
+ if (ipmi_recvcmd(sc, 8 + length, &len, cmd)) {
+ mutex_exit(&sc->sc_cmd_mtx);
+ aprint_error_dev(sc->sc_dev, "%s: recvcmd fails\n", __func__);
+ return -1;
+ }
+ mutex_exit(&sc->sc_cmd_mtx);
+ if (nxtRecordId)
+ *nxtRecordId = *(uint16_t *) cmd;
+ memcpy(buffer, cmd + 2, len - 2);
+
+ return 0;
+}
+
+static int maxsdrlen = 0x10;
+
+/* Read an entire SDR; pass to add sensor */
+static int
+get_sdr(struct ipmi_softc *sc, uint16_t recid, uint16_t *nxtrec)
+{
+ uint16_t resid = 0;
+ int len, sdrlen, offset;
+ uint8_t *psdr;
+ struct sdrhdr shdr;
+
+ mutex_enter(&sc->sc_cmd_mtx);
+ /* Reserve SDR */
+ if (ipmi_sendcmd(sc, BMC_SA, 0, STORAGE_NETFN, STORAGE_RESERVE_SDR,
+ 0, NULL)) {
+ mutex_exit(&sc->sc_cmd_mtx);
+ aprint_error_dev(sc->sc_dev, "reserve send fails\n");
+ return -1;
+ }
+ if (ipmi_recvcmd(sc, sizeof(resid), &len, &resid)) {
+ mutex_exit(&sc->sc_cmd_mtx);
+ aprint_error_dev(sc->sc_dev, "reserve recv fails\n");
+ return -1;
+ }
+ mutex_exit(&sc->sc_cmd_mtx);
+ /* Get SDR Header */
+ if (get_sdr_partial(sc, recid, resid, 0, sizeof shdr, &shdr, nxtrec)) {
+ aprint_error_dev(sc->sc_dev, "get header fails\n");
+ return -1;
+ }
+ /* Allocate space for entire SDR Length of SDR in header does not
+ * include header length */
+ sdrlen = sizeof(shdr) + shdr.record_length;
+ psdr = malloc(sdrlen, M_DEVBUF, M_WAITOK);
+ if (psdr == NULL)
+ return -1;
+
+ memcpy(psdr, &shdr, sizeof(shdr));
+
+ /* Read SDR Data maxsdrlen bytes at a time */
+ for (offset = sizeof(shdr); offset < sdrlen; offset += maxsdrlen) {
+ len = sdrlen - offset;
+ if (len > maxsdrlen)
+ len = maxsdrlen;
+
+ if (get_sdr_partial(sc, recid, resid, offset, len,
+ psdr + offset, NULL)) {
+ aprint_error_dev(sc->sc_dev,
+ "get chunk : %d,%d fails\n", offset, len);
+ free(psdr, M_DEVBUF);
+ return -1;
+ }
+ }
+
+ /* Add SDR to sensor list, if not wanted, free buffer */
+ if (add_sdr_sensor(sc, psdr) == 0)
+ free(psdr, M_DEVBUF);
+
+ return 0;
+}
+
+static int
+getbits(uint8_t *bytes, int bitpos, int bitlen)
+{
+ int v;
+ int mask;
+
+ bitpos += bitlen - 1;
+ for (v = 0; bitlen--;) {
+ v <<= 1;
+ mask = 1L << (bitpos & 7);
+ if (bytes[bitpos >> 3] & mask)
+ v |= 1;
+ bitpos--;
+ }
+
+ return v;
+}
+
+/* Decode IPMI sensor name */
+static void
+ipmi_sensor_name(char *name, int len, uint8_t typelen, uint8_t *bits)
+{
+ int i, slen;
+ char bcdplus[] = "0123456789 -.:,_";
+
+ slen = typelen & 0x1F;
+ switch (typelen >> 6) {
+ case IPMI_NAME_UNICODE:
+ //unicode
+ break;
+
+ case IPMI_NAME_BCDPLUS:
+ /* Characters are encoded in 4-bit BCDPLUS */
+ if (len < slen * 2 + 1)
+ slen = (len >> 1) - 1;
+ for (i = 0; i < slen; i++) {
+ *(name++) = bcdplus[bits[i] >> 4];
+ *(name++) = bcdplus[bits[i] & 0xF];
+ }
+ break;
+
+ case IPMI_NAME_ASCII6BIT:
+ /* Characters are encoded in 6-bit ASCII
+ * 0x00 - 0x3F maps to 0x20 - 0x5F */
+ /* XXX: need to calculate max len: slen = 3/4 * len */
+ if (len < slen + 1)
+ slen = len - 1;
+ for (i = 0; i < slen * 8; i += 6)
+ *(name++) = getbits(bits, i, 6) + ' ';
+ break;
+
+ case IPMI_NAME_ASCII8BIT:
+ /* Characters are 8-bit ascii */
+ if (len < slen + 1)
+ slen = len - 1;
+ while (slen--)
+ *(name++) = *(bits++);
+ break;
+ }
+ *name = 0;
+}
+
+/* Sign extend a n-bit value */
+static long
+signextend(unsigned long val, int bits)
+{
+ long msk = (1L << (bits-1))-1;
+
+ return -(val & ~msk) | val;
+}
+
+
+/* fixpoint arithmetic */
+#define FIX2INT(x) ((int64_t)((x) >> 32))
+#define INT2FIX(x) ((int64_t)((uint64_t)(x) << 32))
+
+#define FIX2 0x0000000200000000ll /* 2.0 */
+#define FIX3 0x0000000300000000ll /* 3.0 */
+#define FIXE 0x00000002b7e15163ll /* 2.71828182845904523536 */
+#define FIX10 0x0000000a00000000ll /* 10.0 */
+#define FIXMONE 0xffffffff00000000ll /* -1.0 */
+#define FIXHALF 0x0000000080000000ll /* 0.5 */
+#define FIXTHIRD 0x0000000055555555ll /* 0.33333333333333333333 */
+
+#define FIX1LOG2 0x0000000171547653ll /* 1.0/log(2) */
+#define FIX1LOGE 0x0000000100000000ll /* 1.0/log(2.71828182845904523536) */
+#define FIX1LOG10 0x000000006F2DEC55ll /* 1.0/log(10) */
+
+#define FIX1E 0x000000005E2D58D9ll /* 1.0/2.71828182845904523536 */
+
+static int64_t fixlog_a[] = {
+ 0x0000000100000000ll /* 1.0/1.0 */,
+ 0xffffffff80000000ll /* -1.0/2.0 */,
+ 0x0000000055555555ll /* 1.0/3.0 */,
+ 0xffffffffc0000000ll /* -1.0/4.0 */,
+ 0x0000000033333333ll /* 1.0/5.0 */,
+ 0x000000002aaaaaabll /* -1.0/6.0 */,
+ 0x0000000024924925ll /* 1.0/7.0 */,
+ 0x0000000020000000ll /* -1.0/8.0 */,
+ 0x000000001c71c71cll /* 1.0/9.0 */
+};
+
+static int64_t fixexp_a[] = {
+ 0x0000000100000000ll /* 1.0/1.0 */,
+ 0x0000000100000000ll /* 1.0/1.0 */,
+ 0x0000000080000000ll /* 1.0/2.0 */,
+ 0x000000002aaaaaabll /* 1.0/6.0 */,
+ 0x000000000aaaaaabll /* 1.0/24.0 */,
+ 0x0000000002222222ll /* 1.0/120.0 */,
+ 0x00000000005b05b0ll /* 1.0/720.0 */,
+ 0x00000000000d00d0ll /* 1.0/5040.0 */,
+ 0x000000000001a01all /* 1.0/40320.0 */
+};
+
+static int64_t
+fixmul(int64_t x, int64_t y)
+{
+ int64_t z;
+ int64_t a,b,c,d;
+ int neg;
+
+ neg = 0;
+ if (x < 0) {
+ x = -x;
+ neg = !neg;
+ }
+ if (y < 0) {
+ y = -y;
+ neg = !neg;
+ }
+
+ a = FIX2INT(x);
+ b = x - INT2FIX(a);
+ c = FIX2INT(y);
+ d = y - INT2FIX(c);
+
+ z = INT2FIX(a*c) + a * d + b * c + (b/2 * d/2 >> 30);
+
+ return neg ? -z : z;
+}
+
+static int64_t
+poly(int64_t x0, int64_t x, int64_t a[], int n)
+{
+ int64_t z;
+ int i;
+
+ z = fixmul(x0, a[0]);
+ for (i=1; i<n; ++i) {
+ x0 = fixmul(x0, x);
+ z = fixmul(x0, a[i]) + z;
+ }
+ return z;
+}
+
+static int64_t
+logx(int64_t x, int64_t y)
+{
+ int64_t z;
+
+ if (x <= INT2FIX(0)) {
+ z = INT2FIX(-99999);
+ goto done;
+ }
+
+ z = INT2FIX(0);
+ while (x >= FIXE) {
+ x = fixmul(x, FIX1E);
+ z += INT2FIX(1);
+ }
+ while (x < INT2FIX(1)) {
+ x = fixmul(x, FIXE);
+ z -= INT2FIX(1);
+ }
+
+ x -= INT2FIX(1);
+ z += poly(x, x, fixlog_a, sizeof(fixlog_a)/sizeof(fixlog_a[0]));
+ z = fixmul(z, y);
+
+done:
+ return z;
+}
+
+static int64_t
+powx(int64_t x, int64_t y)
+{
+ int64_t k;
+
+ if (x == INT2FIX(0))
+ goto done;
+
+ x = logx(x,y);
+
+ if (x < INT2FIX(0)) {
+ x = INT2FIX(0) - x;
+ k = -FIX2INT(x);
+ x = INT2FIX(-k) - x;
+ } else {
+ k = FIX2INT(x);
+ x = x - INT2FIX(k);
+ }
+
+ x = poly(INT2FIX(1), x, fixexp_a, sizeof(fixexp_a)/sizeof(fixexp_a[0]));
+
+ while (k < 0) {
+ x = fixmul(x, FIX1E);
+ ++k;
+ }
+ while (k > 0) {
+ x = fixmul(x, FIXE);
+ --k;
+ }
+
+done:
+ return x;
+}
+
+/* Convert IPMI reading from sensor factors */
+static long
+ipmi_convert(uint8_t v, struct sdrtype1 *s1, long adj)
+{
+ int64_t M, B;
+ char K1, K2;
+ int64_t val, v1, v2, vs;
+ int sign = (s1->units1 >> 6) & 0x3;
+
+ vs = (sign == 0x1 || sign == 0x2) ? (int8_t)v : v;
+ if ((vs < 0) && (sign == 0x1))
+ vs++;
+
+ /* Calculate linear reading variables */
+ M = signextend((((short)(s1->m_tolerance & 0xC0)) << 2) + s1->m, 10);
+ B = signextend((((short)(s1->b_accuracy & 0xC0)) << 2) + s1->b, 10);
+ K1 = signextend(s1->rbexp & 0xF, 4);
+ K2 = signextend(s1->rbexp >> 4, 4);
+
+ /* Calculate sensor reading:
+ * y = L((M * v + (B * 10^K1)) * 10^(K2+adj)
+ *
+ * This commutes out to:
+ * y = L(M*v * 10^(K2+adj) + B * 10^(K1+K2+adj)); */
+ v1 = powx(FIX10, INT2FIX(K2 + adj));
+ v2 = powx(FIX10, INT2FIX(K1 + K2 + adj));
+ val = M * vs * v1 + B * v2;
+
+ /* Linearization function: y = f(x) 0 : y = x 1 : y = ln(x) 2 : y =
+ * log10(x) 3 : y = log2(x) 4 : y = e^x 5 : y = 10^x 6 : y = 2^x 7 : y
+ * = 1/x 8 : y = x^2 9 : y = x^3 10 : y = square root(x) 11 : y = cube
+ * root(x) */
+ switch (s1->linear & 0x7f) {
+ case 0: break;
+ case 1: val = logx(val,FIX1LOGE); break;
+ case 2: val = logx(val,FIX1LOG10); break;
+ case 3: val = logx(val,FIX1LOG2); break;
+ case 4: val = powx(FIXE,val); break;
+ case 5: val = powx(FIX10,val); break;
+ case 6: val = powx(FIX2,val); break;
+ case 7: val = powx(val,FIXMONE); break;
+ case 8: val = powx(val,FIX2); break;
+ case 9: val = powx(val,FIX3); break;
+ case 10: val = powx(val,FIXHALF); break;
+ case 11: val = powx(val,FIXTHIRD); break;
+ }
+
+ return FIX2INT(val);
+}
+
+static int32_t
+ipmi_convert_sensor(uint8_t *reading, struct ipmi_sensor *psensor)
+{
+ struct sdrtype1 *s1 = (struct sdrtype1 *)psensor->i_sdr;
+ int32_t val;
+
+ switch (psensor->i_envtype) {
+ case ENVSYS_STEMP:
+ val = ipmi_convert(reading[0], s1, 6) + 273150000;
+ break;
+
+ case ENVSYS_SVOLTS_DC:
+ val = ipmi_convert(reading[0], s1, 6);
+ break;
+
+ case ENVSYS_SFANRPM:
+ val = ipmi_convert(reading[0], s1, 0);
+ if (((s1->units1>>3)&0x7) == 0x3)
+ val *= 60; /* RPS -> RPM */
+ break;
+ default:
+ val = 0;
+ break;
+ }
+ return val;
+}
+
+static void
+ipmi_set_limits(struct sysmon_envsys *sme, envsys_data_t *edata,
+ sysmon_envsys_lim_t *limits, uint32_t *props)
+{
+ struct ipmi_sensor *ipmi_s;
+
+ /* Find the ipmi_sensor corresponding to this edata */
+ SLIST_FOREACH(ipmi_s, &ipmi_sensor_list, i_list) {
+ if (ipmi_s->i_envnum == edata->sensor) {
+ if (limits == NULL) {
+ limits = &ipmi_s->i_deflims;
+ props = &ipmi_s->i_defprops;
+ }
+ *props |= PROP_DRIVER_LIMITS;
+ ipmi_s->i_limits = *limits;
+ ipmi_s->i_props = *props;
+ return;
+ }
+ }
+ return;
+}
+
+static void
+ipmi_get_limits(struct sysmon_envsys *sme, envsys_data_t *edata,
+ sysmon_envsys_lim_t *limits, uint32_t *props)
+{
+ struct ipmi_sensor *ipmi_s;
+ struct ipmi_softc *sc = sme->sme_cookie;
+
+ /* Find the ipmi_sensor corresponding to this edata */
+ SLIST_FOREACH(ipmi_s, &ipmi_sensor_list, i_list) {
+ if (ipmi_s->i_envnum == edata->sensor) {
+ ipmi_get_sensor_limits(sc, ipmi_s, limits, props);
+ ipmi_s->i_limits = *limits;
+ ipmi_s->i_props = *props;
+ if (ipmi_s->i_defprops == 0) {
+ ipmi_s->i_defprops = *props;
+ ipmi_s->i_deflims = *limits;
+ }
+ return;
+ }
+ }
+ return;
+}
+
+static void
+ipmi_get_sensor_limits(struct ipmi_softc *sc, struct ipmi_sensor *psensor,
+ sysmon_envsys_lim_t *limits, uint32_t *props)
+{
+ struct sdrtype1 *s1 = (struct sdrtype1 *)psensor->i_sdr;
+ bool failure;
+ int rxlen;
+ uint8_t data[32];
+ uint32_t prop_critmax, prop_warnmax, prop_critmin, prop_warnmin;
+ int32_t *pcritmax, *pwarnmax, *pcritmin, *pwarnmin;
+
+ *props &= ~(PROP_CRITMIN | PROP_CRITMAX | PROP_WARNMIN | PROP_WARNMAX);
+ data[0] = psensor->i_num;
+ mutex_enter(&sc->sc_cmd_mtx);
+ failure =
+ ipmi_sendcmd(sc, s1->owner_id, s1->owner_lun,
+ SE_NETFN, SE_GET_SENSOR_THRESHOLD, 1, data) ||
+ ipmi_recvcmd(sc, sizeof(data), &rxlen, data);
+ mutex_exit(&sc->sc_cmd_mtx);
+ if (failure)
+ return;
+
+ dbg_printf(25, "%s: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
+ __func__, data[0], data[1], data[2], data[3], data[4], data[5],
+ data[6]);
+
+ switch (s1->linear & 0x7f) {
+ case 7: /* 1/x sensor, exchange upper and lower limits */
+ prop_critmax = PROP_CRITMIN;
+ prop_warnmax = PROP_WARNMIN;
+ prop_critmin = PROP_CRITMAX;
+ prop_warnmin = PROP_WARNMAX;
+ pcritmax = &limits->sel_critmin;
+ pwarnmax = &limits->sel_warnmin;
+ pcritmin = &limits->sel_critmax;
+ pwarnmin = &limits->sel_warnmax;
+ break;
+ default:
+ prop_critmax = PROP_CRITMAX;
+ prop_warnmax = PROP_WARNMAX;
+ prop_critmin = PROP_CRITMIN;
+ prop_warnmin = PROP_WARNMIN;
+ pcritmax = &limits->sel_critmax;
+ pwarnmax = &limits->sel_warnmax;
+ pcritmin = &limits->sel_critmin;
+ pwarnmin = &limits->sel_warnmin;
+ break;
+ }
+
+ if (data[0] & 0x20 && data[6] != 0xff) {
+ *pcritmax = ipmi_convert_sensor(&data[6], psensor);
+ *props |= prop_critmax;
+ }
+ if (data[0] & 0x10 && data[5] != 0xff) {
+ *pcritmax = ipmi_convert_sensor(&data[5], psensor);
+ *props |= prop_critmax;
+ }
+ if (data[0] & 0x08 && data[4] != 0xff) {
+ *pwarnmax = ipmi_convert_sensor(&data[4], psensor);
+ *props |= prop_warnmax;
+ }
+ if (data[0] & 0x04 && data[3] != 0x00) {
+ *pcritmin = ipmi_convert_sensor(&data[3], psensor);
+ *props |= prop_critmin;
+ }
+ if (data[0] & 0x02 && data[2] != 0x00) {
+ *pcritmin = ipmi_convert_sensor(&data[2], psensor);
+ *props |= prop_critmin;
+ }
+ if (data[0] & 0x01 && data[1] != 0x00) {
+ *pwarnmin = ipmi_convert_sensor(&data[1], psensor);
+ *props |= prop_warnmin;
+ }
+ return;
+}
+
+static int
+ipmi_sensor_status(struct ipmi_softc *sc, struct ipmi_sensor *psensor,
+ envsys_data_t *edata, uint8_t *reading)
+{
+ int etype;
+
+ /* Get reading of sensor */
+ edata->value_cur = ipmi_convert_sensor(reading, psensor);
+
+ /* Return Sensor Status */
+ etype = (psensor->i_etype << 8) + psensor->i_stype;
+ switch (etype) {
+ case IPMI_SENSOR_TYPE_TEMP:
+ case IPMI_SENSOR_TYPE_VOLT:
+ case IPMI_SENSOR_TYPE_FAN:
+ if (psensor->i_props & PROP_CRITMAX &&
+ edata->value_cur > psensor->i_limits.sel_critmax)
+ return ENVSYS_SCRITOVER;
+
+ if (psensor->i_props & PROP_WARNMAX &&
+ edata->value_cur > psensor->i_limits.sel_warnmax)
+ return ENVSYS_SWARNOVER;
+
+ if (psensor->i_props & PROP_WARNMIN &&
+ edata->value_cur < psensor->i_limits.sel_warnmin)
+ return ENVSYS_SWARNUNDER;
+
+ if (psensor->i_props & PROP_CRITMIN &&
+ edata->value_cur < psensor->i_limits.sel_critmin)
+ return ENVSYS_SCRITUNDER;
+
+ break;
+
+ case IPMI_SENSOR_TYPE_INTRUSION:
+ edata->value_cur = (reading[2] & 1) ? 0 : 1;
+ if (reading[2] & 0x1)
+ return ENVSYS_SCRITICAL;
+ break;
+
+ case IPMI_SENSOR_TYPE_PWRSUPPLY:
+ /* Reading: 1 = present+powered, 0 = otherwise */
+ edata->value_cur = (reading[2] & 1) ? 0 : 1;
+ if (reading[2] & 0x10) {
+ /* XXX: Need envsys type for Power Supply types
+ * ok: power supply installed && powered
+ * warn: power supply installed && !powered
+ * crit: power supply !installed
+ */
+ return ENVSYS_SCRITICAL;
+ }
+ if (reading[2] & 0x08) {
+ /* Power supply AC lost */
+ return ENVSYS_SWARNOVER;
+ }
+ break;
+ }
+
+ return ENVSYS_SVALID;
+}
+
+static int
+read_sensor(struct ipmi_softc *sc, struct ipmi_sensor *psensor)
+{
+ struct sdrtype1 *s1 = (struct sdrtype1 *) psensor->i_sdr;
+ uint8_t data[8];
+ int rxlen;
+ envsys_data_t *edata = &sc->sc_sensor[psensor->i_envnum];
+
+ memset(data, 0, sizeof(data));
+ data[0] = psensor->i_num;
+
+ mutex_enter(&sc->sc_cmd_mtx);
+ if (ipmi_sendcmd(sc, s1->owner_id, s1->owner_lun, SE_NETFN,
+ SE_GET_SENSOR_READING, 1, data))
+ goto err;
+
+ if (ipmi_recvcmd(sc, sizeof(data), &rxlen, data))
+ goto err;
+ mutex_exit(&sc->sc_cmd_mtx);
+
+ dbg_printf(10, "m=%u, m_tolerance=%u, b=%u, b_accuracy=%u, "
+ "rbexp=%u, linear=%d\n", s1->m, s1->m_tolerance, s1->b,
+ s1->b_accuracy, s1->rbexp, s1->linear);
+ dbg_printf(10, "values=%#.2x %#.2x %#.2x %#.2x %s\n",
+ data[0],data[1],data[2],data[3], edata->desc);
+ if (IPMI_INVALID_SENSOR_P(data[1])) {
+ /* Check if sensor is valid */
+ edata->state = ENVSYS_SINVALID;
+ } else {
+ edata->state = ipmi_sensor_status(sc, psensor, edata, data);
+ }
+ return 0;
+err:
+ mutex_exit(&sc->sc_cmd_mtx);
+ return -1;
+}
+
+static int
+ipmi_sensor_type(int type, int ext_type, int entity)
+{
+ switch (ext_type << 8L | type) {
+ case IPMI_SENSOR_TYPE_TEMP:
+ return ENVSYS_STEMP;
+
+ case IPMI_SENSOR_TYPE_VOLT:
+ return ENVSYS_SVOLTS_DC;
+
+ case IPMI_SENSOR_TYPE_FAN:
+ return ENVSYS_SFANRPM;
+
+ case IPMI_SENSOR_TYPE_PWRSUPPLY:
+ if (entity == IPMI_ENTITY_PWRSUPPLY)
+ return ENVSYS_INDICATOR;
+ break;
+
+ case IPMI_SENSOR_TYPE_INTRUSION:
+ return ENVSYS_INDICATOR;
+ }
+
+ return -1;
+}
+
+/* Add Sensor to BSD Sysctl interface */
+static int
+add_sdr_sensor(struct ipmi_softc *sc, uint8_t *psdr)
+{
+ int rc;
+ struct sdrtype1 *s1 = (struct sdrtype1 *)psdr;
+ struct sdrtype2 *s2 = (struct sdrtype2 *)psdr;
+ char name[64];
+
+ switch (s1->sdrhdr.record_type) {
+ case IPMI_SDR_TYPEFULL:
+ ipmi_sensor_name(name, sizeof(name), s1->typelen, s1->name);
+ rc = add_child_sensors(sc, psdr, 1, s1->sensor_num,
+ s1->sensor_type, s1->event_code, 0, s1->entity_id, name);
+ break;
+
+ case IPMI_SDR_TYPECOMPACT:
+ ipmi_sensor_name(name, sizeof(name), s2->typelen, s2->name);
+ rc = add_child_sensors(sc, psdr, s2->share1 & 0xF,
+ s2->sensor_num, s2->sensor_type, s2->event_code,
+ s2->share2 & 0x7F, s2->entity_id, name);
+ break;
+
+ default:
+ return 0;
+ }
+
+ return rc;
+}
+
+static int
+ipmi_is_dupname(char *name)
+{
+ struct ipmi_sensor *ipmi_s;
+
+ SLIST_FOREACH(ipmi_s, &ipmi_sensor_list, i_list) {
+ if (strcmp(ipmi_s->i_envdesc, name) == 0) {
+ return 1;
+ }
+ }
+ return 0;
+}
+
+static int
+add_child_sensors(struct ipmi_softc *sc, uint8_t *psdr, int count,
+ int sensor_num, int sensor_type, int ext_type, int sensor_base,
+ int entity, const char *name)
+{
+ int typ, idx, dupcnt, c;
+ char *e;
+ struct ipmi_sensor *psensor;
+ struct sdrtype1 *s1 = (struct sdrtype1 *)psdr;
+
+ typ = ipmi_sensor_type(sensor_type, ext_type, entity);
+ if (typ == -1) {
+ dbg_printf(5, "Unknown sensor type:%#.2x et:%#.2x sn:%#.2x "
+ "name:%s\n", sensor_type, ext_type, sensor_num, name);
+ return 0;
+ }
+ dupcnt = 0;
+ sc->sc_nsensors += count;
+ for (idx = 0; idx < count; idx++) {
+ psensor = malloc(sizeof(struct ipmi_sensor), M_DEVBUF,
+ M_WAITOK);
+ if (psensor == NULL)
+ break;
+
+ memset(psensor, 0, sizeof(struct ipmi_sensor));
+
+ /* Initialize BSD Sensor info */
+ psensor->i_sdr = psdr;
+ psensor->i_num = sensor_num + idx;
+ psensor->i_stype = sensor_type;
+ psensor->i_etype = ext_type;
+ psensor->i_envtype = typ;
+ if (count > 1)
+ snprintf(psensor->i_envdesc,
+ sizeof(psensor->i_envdesc),
+ "%s - %d", name, sensor_base + idx);
+ else
+ strlcpy(psensor->i_envdesc, name,
+ sizeof(psensor->i_envdesc));
+
+ /*
+ * Check for duplicates. If there are duplicates,
+ * make sure there is space in the name (if not,
+ * truncate to make space) for a count (1-99) to
+ * add to make the name unique. If we run the
+ * counter out, just accept the duplicate (@name99)
+ * for now.
+ */
+ if (ipmi_is_dupname(psensor->i_envdesc)) {
+ if (strlen(psensor->i_envdesc) >=
+ sizeof(psensor->i_envdesc) - 3) {
+ e = psensor->i_envdesc +
+ sizeof(psensor->i_envdesc) - 3;
+ } else {
+ e = psensor->i_envdesc +
+ strlen(psensor->i_envdesc);
+ }
+ c = psensor->i_envdesc +
+ sizeof(psensor->i_envdesc) - e;
+ do {
+ dupcnt++;
+ snprintf(e, c, "%d", dupcnt);
+ } while (dupcnt < 100 &&
+ ipmi_is_dupname(psensor->i_envdesc));
+ }
+
+ dbg_printf(5, "%s: %#.4x %#.2x:%d ent:%#.2x:%#.2x %s\n",
+ __func__,
+ s1->sdrhdr.record_id, s1->sensor_type,
+ typ, s1->entity_id, s1->entity_instance,
+ psensor->i_envdesc);
+ SLIST_INSERT_HEAD(&ipmi_sensor_list, psensor, i_list);
+ }
+
+ return 1;
+}
+
+#if 0
+/* Interrupt handler */
+static int
+ipmi_intr(void *arg)
+{
+ struct ipmi_softc *sc = (struct ipmi_softc *)arg;
+ int v;
+
+ v = bmc_read(sc, _KCS_STATUS_REGISTER);
+ if (v & KCS_OBF)
+ ++ipmi_nintr;
+
+ return 0;
+}
+#endif
+
+/* Handle IPMI Timer - reread sensor values */
+static void
+ipmi_refresh_sensors(struct ipmi_softc *sc)
+{
+
+ if (SLIST_EMPTY(&ipmi_sensor_list))
+ return;
+
+ sc->current_sensor = SLIST_NEXT(sc->current_sensor, i_list);
+ if (sc->current_sensor == NULL)
+ sc->current_sensor = SLIST_FIRST(&ipmi_sensor_list);
+
+ if (read_sensor(sc, sc->current_sensor)) {
+ dbg_printf(1, "%s: error reading\n", __func__);
+ }
+}
+
+static int
+ipmi_map_regs(struct ipmi_softc *sc, struct ipmi_attach_args *ia)
+{
+ int error;
+
+ sc->sc_if = ipmi_get_if(ia->iaa_if_type);
+ if (sc->sc_if == NULL)
+ return -1;
+
+ if (ia->iaa_if_iotype == 'i')
+ sc->sc_iot = ia->iaa_iot;
+ else
+ sc->sc_iot = ia->iaa_memt;
+
+ sc->sc_if_rev = ia->iaa_if_rev;
+ sc->sc_if_iospacing = ia->iaa_if_iospacing;
+ if ((error = bus_space_map(sc->sc_iot, ia->iaa_if_iobase,
+ sc->sc_if->nregs * sc->sc_if_iospacing, 0, &sc->sc_ioh)) != 0) {
+ const char *xname = sc->sc_dev ? device_xname(sc->sc_dev) :
+ "ipmi0";
+ aprint_error("%s: %s:bus_space_map(..., %" PRIx64 ", %x"
+ ", 0, %p) type %c failed %d\n",
+ xname, __func__, ia->iaa_if_iobase,
+ sc->sc_if->nregs * sc->sc_if_iospacing, &sc->sc_ioh,
+ ia->iaa_if_iotype, error);
+ return -1;
+ }
+#if 0
+ if (iaa->if_if_irq != -1)
+ sc->ih = isa_intr_establish(-1, iaa->if_if_irq,
+ iaa->if_irqlvl, IPL_BIO, ipmi_intr, sc,
+ device_xname(sc->sc_dev);
+#endif
+ return 0;
+}
+
+static void
+ipmi_unmap_regs(struct ipmi_softc *sc)
+{
+ bus_space_unmap(sc->sc_iot, sc->sc_ioh,
+ sc->sc_if->nregs * sc->sc_if_iospacing);
+}
+
+static int
+ipmi_match(device_t parent, cfdata_t cf, void *aux)
+{
+ struct ipmi_softc sc;
+ struct ipmi_attach_args *ia = aux;
+ uint8_t cmd[32];
+ int len;
+ int rv = 0;
+
+ memset(&sc, 0, sizeof(sc));
+
+ /* Map registers */
+ if (ipmi_map_regs(&sc, ia) != 0)
+ return 0;
+
+ sc.sc_if->probe(&sc);
+
+ mutex_init(&sc.sc_cmd_mtx, MUTEX_DEFAULT, IPL_SOFTCLOCK);
+ cv_init(&sc.sc_cmd_sleep, "ipmimtch");
+ mutex_enter(&sc.sc_cmd_mtx);
+ /* Identify BMC device early to detect lying bios */
+ if (ipmi_sendcmd(&sc, BMC_SA, 0, APP_NETFN, APP_GET_DEVICE_ID,
+ 0, NULL)) {
+ mutex_exit(&sc.sc_cmd_mtx);
+ dbg_printf(1, ": unable to send get device id "
+ "command\n");
+ goto unmap;
+ }
+ if (ipmi_recvcmd(&sc, sizeof(cmd), &len, cmd)) {
+ mutex_exit(&sc.sc_cmd_mtx);
+ dbg_printf(1, ": unable to retrieve device id\n");
+ goto unmap;
+ }
+ mutex_exit(&sc.sc_cmd_mtx);
+
+ dbg_dump(1, __func__, len, cmd);
+ rv = 1; /* GETID worked, we got IPMI */
+unmap:
+ cv_destroy(&sc.sc_cmd_sleep);
+ mutex_destroy(&sc.sc_cmd_mtx);
+ ipmi_unmap_regs(&sc);
+
+ return rv;
+}
+
+static void
+ipmi_thread(void *cookie)
+{
+ device_t self = cookie;
+ struct ipmi_softc *sc = device_private(self);
+ struct ipmi_attach_args *ia = &sc->sc_ia;
+ uint16_t rec;
+ struct ipmi_sensor *ipmi_s;
+ int i;
+
+ sc->sc_thread_running = true;
+
+ /* setup ticker */
+ sc->sc_max_retries = hz * 90; /* 90 seconds max */
+
+ /* Map registers */
+ ipmi_map_regs(sc, ia);
+
+ /* Scan SDRs, add sensors to list */
+ for (rec = 0; rec != 0xFFFF;)
+ if (get_sdr(sc, rec, &rec))
+ break;
+
+ /* allocate and fill sensor arrays */
+ sc->sc_sensor =
+ malloc(sizeof(envsys_data_t) * sc->sc_nsensors,
+ M_DEVBUF, M_WAITOK | M_ZERO);
+ if (sc->sc_sensor == NULL) {
+ aprint_error_dev(self, "can't allocate envsys_data_t\n");
+ kthread_exit(0);
+ }
+
+ sc->sc_envsys = sysmon_envsys_create();
+ sc->sc_envsys->sme_cookie = sc;
+ sc->sc_envsys->sme_get_limits = ipmi_get_limits;
+ sc->sc_envsys->sme_set_limits = ipmi_set_limits;
+
+ i = 0;
+ SLIST_FOREACH(ipmi_s, &ipmi_sensor_list, i_list) {
+ ipmi_s->i_props = 0;
+ ipmi_s->i_envnum = -1;
+ sc->sc_sensor[i].units = ipmi_s->i_envtype;
+ sc->sc_sensor[i].state = ENVSYS_SINVALID;
+ sc->sc_sensor[i].flags |= ENVSYS_FHAS_ENTROPY;
+ /*
+ * Monitor threshold limits in the sensors.
+ */
+ switch (sc->sc_sensor[i].units) {
+ case ENVSYS_STEMP:
+ case ENVSYS_SVOLTS_DC:
+ case ENVSYS_SFANRPM:
+ sc->sc_sensor[i].flags |= ENVSYS_FMONLIMITS;
+ break;
+ default:
+ sc->sc_sensor[i].flags |= ENVSYS_FMONCRITICAL;
+ }
+ (void)strlcpy(sc->sc_sensor[i].desc, ipmi_s->i_envdesc,
+ sizeof(sc->sc_sensor[i].desc));
+ ++i;
+
+ if (sysmon_envsys_sensor_attach(sc->sc_envsys,
+ &sc->sc_sensor[i-1]))
+ continue;
+
+ /* get reference number from envsys */
+ ipmi_s->i_envnum = sc->sc_sensor[i-1].sensor;
+ }
+
+ sc->sc_envsys->sme_name = device_xname(sc->sc_dev);
+ sc->sc_envsys->sme_flags = SME_DISABLE_REFRESH;
+
+ if (sysmon_envsys_register(sc->sc_envsys)) {
+ aprint_error_dev(self, "unable to register with sysmon\n");
+ sysmon_envsys_destroy(sc->sc_envsys);
+ }
+
+ /* initialize sensor list for thread */
+ if (!SLIST_EMPTY(&ipmi_sensor_list))
+ sc->current_sensor = SLIST_FIRST(&ipmi_sensor_list);
+
+ aprint_verbose_dev(self, "version %d.%d interface %s %sbase "
+ "0x%" PRIx64 "/%#x spacing %d\n",
+ ia->iaa_if_rev >> 4, ia->iaa_if_rev & 0xF, sc->sc_if->name,
+ ia->iaa_if_iotype == 'i' ? "io" : "mem", ia->iaa_if_iobase,
+ ia->iaa_if_iospacing * sc->sc_if->nregs, ia->iaa_if_iospacing);
+ if (ia->iaa_if_irq != -1)
+ aprint_verbose_dev(self, " irq %d\n", ia->iaa_if_irq);
+
+ /* setup flag to exclude iic */
+ ipmi_enabled = 1;
+
+ /* Setup Watchdog timer */
+ sc->sc_wdog.smw_name = device_xname(sc->sc_dev);
+ sc->sc_wdog.smw_cookie = sc;
+ sc->sc_wdog.smw_setmode = ipmi_watchdog_setmode;
+ sc->sc_wdog.smw_tickle = ipmi_watchdog_tickle;
+ sysmon_wdog_register(&sc->sc_wdog);
+
+ /* Set up a power handler so we can possibly sleep */
+ if (!pmf_device_register(self, ipmi_suspend, NULL))
+ aprint_error_dev(self, "couldn't establish a power handler\n");
+
+ mutex_enter(&sc->sc_poll_mtx);
+ while (sc->sc_thread_running) {
+ ipmi_refresh_sensors(sc);
+ cv_timedwait(&sc->sc_poll_cv, &sc->sc_poll_mtx,
+ SENSOR_REFRESH_RATE);
+ if (sc->sc_tickle_due) {
+ ipmi_dotickle(sc);
+ sc->sc_tickle_due = false;
+ }
+ }
+ mutex_exit(&sc->sc_poll_mtx);
+ self->dv_flags &= ~DVF_ATTACH_INPROGRESS;
+ kthread_exit(0);
+}
+
+static void
+ipmi_attach(device_t parent, device_t self, void *aux)
+{
+ struct ipmi_softc *sc = device_private(self);
+
+ sc->sc_ia = *(struct ipmi_attach_args *)aux;
+ sc->sc_dev = self;
+ aprint_naive("\n");
+ aprint_normal("\n");
+
+ /* lock around read_sensor so that no one messes with the bmc regs */
+ mutex_init(&sc->sc_cmd_mtx, MUTEX_DEFAULT, IPL_SOFTCLOCK);
+ mutex_init(&sc->sc_sleep_mtx, MUTEX_DEFAULT, IPL_SOFTCLOCK);
+ cv_init(&sc->sc_cmd_sleep, "ipmicmd");
+
+ mutex_init(&sc->sc_poll_mtx, MUTEX_DEFAULT, IPL_SOFTCLOCK);
+ cv_init(&sc->sc_poll_cv, "ipmipoll");
+
+ if (kthread_create(PRI_NONE, 0, NULL, ipmi_thread, self,
+ &sc->sc_kthread, "%s", device_xname(self)) != 0) {
+ aprint_error_dev(self, "unable to create thread, disabled\n");
+ } else
+ self->dv_flags |= DVF_ATTACH_INPROGRESS;
+}
+
+static int
+ipmi_detach(device_t self, int flags)
+{
+ struct ipmi_sensor *i;
+ int rc;
+ struct ipmi_softc *sc = device_private(self);
+
+ mutex_enter(&sc->sc_poll_mtx);
+ sc->sc_thread_running = false;
+ cv_signal(&sc->sc_poll_cv);
+ mutex_exit(&sc->sc_poll_mtx);
+
+ if ((rc = sysmon_wdog_unregister(&sc->sc_wdog)) != 0) {
+ if (rc == ERESTART)
+ rc = EINTR;
+ return rc;
+ }
+
+ /* cancel any pending countdown */
+ sc->sc_wdog.smw_mode &= ~WDOG_MODE_MASK;
+ sc->sc_wdog.smw_mode |= WDOG_MODE_DISARMED;
+ sc->sc_wdog.smw_period = WDOG_PERIOD_DEFAULT;
+
+ if ((rc = ipmi_watchdog_setmode(&sc->sc_wdog)) != 0)
+ return rc;
+
+ ipmi_enabled = 0;
+
+ if (sc->sc_envsys != NULL) {
+ /* _unregister also destroys */
+ sysmon_envsys_unregister(sc->sc_envsys);
+ sc->sc_envsys = NULL;
+ }
+
+ while ((i = SLIST_FIRST(&ipmi_sensor_list)) != NULL) {
+ SLIST_REMOVE_HEAD(&ipmi_sensor_list, i_list);
+ free(i, M_DEVBUF);
+ }
+
+ if (sc->sc_sensor != NULL) {
+ free(sc->sc_sensor, M_DEVBUF);
+ sc->sc_sensor = NULL;
+ }
+
+ ipmi_unmap_regs(sc);
+
+ cv_destroy(&sc->sc_poll_cv);
+ mutex_destroy(&sc->sc_poll_mtx);
+ cv_destroy(&sc->sc_cmd_sleep);
+ mutex_destroy(&sc->sc_sleep_mtx);
+ mutex_destroy(&sc->sc_cmd_mtx);
+
+ return 0;
+}
+
+static int
+ipmi_watchdog_setmode(struct sysmon_wdog *smwdog)
+{
+ struct ipmi_softc *sc = smwdog->smw_cookie;
+ struct ipmi_get_watchdog gwdog;
+ struct ipmi_set_watchdog swdog;
+ int rc, len;
+
+ if (smwdog->smw_period < 10)
+ return EINVAL;
+ if (smwdog->smw_period == WDOG_PERIOD_DEFAULT)
+ sc->sc_wdog.smw_period = 10;
+ else
+ sc->sc_wdog.smw_period = smwdog->smw_period;
+
+ mutex_enter(&sc->sc_cmd_mtx);
+ /* see if we can properly task to the watchdog */
+ rc = ipmi_sendcmd(sc, BMC_SA, BMC_LUN, APP_NETFN,
+ APP_GET_WATCHDOG_TIMER, 0, NULL);
+ rc = ipmi_recvcmd(sc, sizeof(gwdog), &len, &gwdog);
+ mutex_exit(&sc->sc_cmd_mtx);
+ if (rc) {
+ aprint_error_dev(sc->sc_dev,
+ "APP_GET_WATCHDOG_TIMER returned %#x\n", rc);
+ return EIO;
+ }
+
+ memset(&swdog, 0, sizeof(swdog));
+ /* Period is 10ths/sec */
+ swdog.wdog_timeout = htole16(sc->sc_wdog.smw_period * 10);
+ if ((smwdog->smw_mode & WDOG_MODE_MASK) == WDOG_MODE_DISARMED)
+ swdog.wdog_action = IPMI_WDOG_ACT_DISABLED;
+ else
+ swdog.wdog_action = IPMI_WDOG_ACT_RESET;
+ swdog.wdog_use = IPMI_WDOG_USE_USE_OS;
+
+ mutex_enter(&sc->sc_cmd_mtx);
+ if ((rc = ipmi_sendcmd(sc, BMC_SA, BMC_LUN, APP_NETFN,
+ APP_SET_WATCHDOG_TIMER, sizeof(swdog), &swdog)) == 0)
+ rc = ipmi_recvcmd(sc, 0, &len, NULL);
+ mutex_exit(&sc->sc_cmd_mtx);
+ if (rc) {
+ aprint_error_dev(sc->sc_dev,
+ "APP_SET_WATCHDOG_TIMER returned %#x\n", rc);
+ return EIO;
+ }
+
+ return 0;
+}
+
+static int
+ipmi_watchdog_tickle(struct sysmon_wdog *smwdog)
+{
+ struct ipmi_softc *sc = smwdog->smw_cookie;
+
+ mutex_enter(&sc->sc_poll_mtx);
+ sc->sc_tickle_due = true;
+ cv_signal(&sc->sc_poll_cv);
+ mutex_exit(&sc->sc_poll_mtx);
+ return 0;
+}
+
+static void
+ipmi_dotickle(struct ipmi_softc *sc)
+{
+ int rc, len;
+
+ mutex_enter(&sc->sc_cmd_mtx);
+ /* tickle the watchdog */
+ if ((rc = ipmi_sendcmd(sc, BMC_SA, BMC_LUN, APP_NETFN,
+ APP_RESET_WATCHDOG, 0, NULL)) == 0)
+ rc = ipmi_recvcmd(sc, 0, &len, NULL);
+ mutex_exit(&sc->sc_cmd_mtx);
+ if (rc != 0) {
+ aprint_error_dev(sc->sc_dev, "watchdog tickle returned %#x\n",
+ rc);
+ }
+}
+
+static bool
+ipmi_suspend(device_t dev, const pmf_qual_t *qual)
+{
+ struct ipmi_softc *sc = device_private(dev);
+
+ /* Don't allow suspend if watchdog is armed */
+ if ((sc->sc_wdog.smw_mode & WDOG_MODE_MASK) != WDOG_MODE_DISARMED)
+ return false;
+ return true;
+}
Index: sys/dev/ipmivar.h
===================================================================
RCS file: sys/dev/ipmivar.h
diff -N sys/dev/ipmivar.h
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ sys/dev/ipmivar.h 25 Dec 2018 10:30:19 -0000
@@ -0,0 +1,300 @@
+/* $NetBSD: $ */
+
+/*
+ * Copyright (c) 2005 Jordan Hargrave
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#include <sys/mutex.h>
+#include <sys/condvar.h>
+
+#include <dev/sysmon/sysmonvar.h>
+
+#ifndef _IPMIVAR_H_
+#define _IPMIVAR_H_
+
+#define IPMI_IF_KCS 1
+#define IPMI_IF_SMIC 2
+#define IPMI_IF_BT 3
+#define IPMI_IF_SSIF 4
+
+#define IPMI_IF_KCS_NREGS 2
+#define IPMI_IF_SMIC_NREGS 3
+#define IPMI_IF_BT_NREGS 3
+#define IPMI_IF_SSIF_NREGS 2
+
+struct ipmi_thread;
+struct ipmi_softc;
+
+struct ipmi_attach_args {
+ bus_space_tag_t iaa_iot;
+ bus_space_tag_t iaa_memt;
+
+ int iaa_if_type;
+ int iaa_if_rev;
+ int iaa_if_iotype;
+ bus_addr_t iaa_if_iobase;
+ int iaa_if_iospacing;
+ int iaa_if_irq;
+ int iaa_if_irqlvl;
+};
+
+struct ipmi_if {
+ const char *name;
+ int nregs;
+ void *(*buildmsg)(struct ipmi_softc *, int, int, int,
+ const void *, int *);
+ int (*sendmsg)(struct ipmi_softc *, int, const uint8_t *);
+ int (*recvmsg)(struct ipmi_softc *, int, int *, uint8_t *);
+ int (*reset)(struct ipmi_softc *);
+ int (*probe)(struct ipmi_softc *);
+};
+
+struct ipmi_softc {
+ device_t sc_dev;
+
+ struct ipmi_if *sc_if; /* Interface layer */
+ int sc_if_iospacing; /* Spacing of I/O ports */
+ int sc_if_rev; /* IPMI Revision */
+ struct ipmi_attach_args sc_ia;
+
+ void *sc_ih; /* Interrupt/IO handles */
+ bus_space_tag_t sc_iot;
+ bus_space_handle_t sc_ioh;
+
+ int sc_btseq;
+
+ struct lwp *sc_kthread;
+
+ int sc_max_retries;
+
+ kmutex_t sc_poll_mtx;
+ kcondvar_t sc_poll_cv;
+
+ kmutex_t sc_cmd_mtx;
+ kmutex_t sc_sleep_mtx;
+ kcondvar_t sc_cmd_sleep;
+
+ struct ipmi_bmc_args *sc_iowait_args;
+
+ struct ipmi_sensor *current_sensor;
+ volatile bool sc_thread_running;
+ volatile bool sc_tickle_due;
+ struct sysmon_wdog sc_wdog;
+ struct sysmon_envsys *sc_envsys;
+ envsys_data_t *sc_sensor;
+ int sc_nsensors; /* total number of sensors */
+
+ char sc_buf[64];
+ bool sc_buf_rsvd;
+};
+
+struct ipmi_thread {
+ struct ipmi_softc *sc;
+ volatile int running;
+};
+
+#define IPMI_WDOG_USE_NOLOG __BIT(7)
+#define IPMI_WDOG_USE_NOSTOP __BIT(6)
+#define IPMI_WDOG_USE_RSVD1 __BITS(5, 3)
+#define IPMI_WDOG_USE_USE_MASK __BITS(2, 0)
+#define IPMI_WDOG_USE_USE_RSVD __SHIFTIN(0, IPMI_WDOG_USE_USE_MASK);
+#define IPMI_WDOG_USE_USE_FRB2 __SHIFTIN(1, IPMI_WDOG_USE_USE_MASK);
+#define IPMI_WDOG_USE_USE_POST __SHIFTIN(2, IPMI_WDOG_USE_USE_MASK);
+#define IPMI_WDOG_USE_USE_OSLOAD __SHIFTIN(3, IPMI_WDOG_USE_USE_MASK);
+#define IPMI_WDOG_USE_USE_OS __SHIFTIN(4, IPMI_WDOG_USE_USE_MASK);
+#define IPMI_WDOG_USE_USE_OEM __SHIFTIN(5, IPMI_WDOG_USE_USE_MASK);
+
+#define IPMI_WDOG_ACT_PRE_RSVD1 __BIT(7)
+#define IPMI_WDOG_ACT_PRE_MASK __BITS(6, 4)
+#define IPMI_WDOG_ACT_PRE_DISABLED __SHIFTIN(0, IPMI_WDOG_ACT_MASK)
+#define IPMI_WDOG_ACT_PRE_SMI __SHIFTIN(1, IPMI_WDOG_ACT_MASK)
+#define IPMI_WDOG_ACT_PRE_NMI __SHIFTIN(2, IPMI_WDOG_ACT_MASK)
+#define IPMI_WDOG_ACT_PRE_INTERRUPT __SHIFTIN(3, IPMI_WDOG_ACT_MASK)
+#define IPMI_WDOG_ACT_PRE_RSVD0 __BIT(3)
+#define IPMI_WDOG_ACT_MASK __BITS(2, 0)
+#define IPMI_WDOG_ACT_DISABLED __SHIFTIN(0, IPMI_WDOG_ACT_MASK)
+#define IPMI_WDOG_ACT_RESET __SHIFTIN(1, IPMI_WDOG_ACT_MASK)
+#define IPMI_WDOG_ACT_PWROFF __SHIFTIN(2, IPMI_WDOG_ACT_MASK)
+#define IPMI_WDOG_ACT_PWRCYCLE __SHIFTIN(3, IPMI_WDOG_ACT_MASK)
+
+#define IPMI_WDOG_FLAGS_RSVD1 __BITS(7, 6)
+#define IPMI_WDOG_FLAGS_OEM __BIT(5)
+#define IPMI_WDOG_FLAGS_OS __BIT(4)
+#define IPMI_WDOG_FLAGS_OSLOAD __BIT(3)
+#define IPMI_WDOG_FLAGS_POST __BIT(2)
+#define IPMI_WDOG_FLAGS_FRB2 __BIT(1)
+#define IPMI_WDOG_FLAGS_RSVD0 __BIT(0)
+
+struct ipmi_set_watchdog {
+ uint8_t wdog_use;
+ uint8_t wdog_action;
+ uint8_t wdog_pretimeout;
+ uint8_t wdog_flags;
+ uint16_t wdog_timeout;
+} __packed;
+
+struct ipmi_get_watchdog {
+ uint8_t wdog_use;
+ uint8_t wdog_action;
+ uint8_t wdog_pretimeout;
+ uint8_t wdog_flags;
+ uint16_t wdog_timeout;
+ uint16_t wdog_countdown;
+} __packed;
+
+struct dmd_ipmi {
+ uint8_t dmd_sig[4]; /* Signature 'IPMI' */
+ uint8_t dmd_i2c_address; /* Address of BMC */
+ uint8_t dmd_nvram_address; /* Address of NVRAM */
+ uint8_t dmd_if_type; /* IPMI Interface Type */
+ uint8_t dmd_if_rev; /* IPMI Interface Revision */
+} __packed;
+
+#define APP_NETFN 0x06
+#define APP_GET_DEVICE_ID 0x01
+#define APP_RESET_WATCHDOG 0x22
+#define APP_SET_WATCHDOG_TIMER 0x24
+#define APP_GET_WATCHDOG_TIMER 0x25
+
+#define TRANSPORT_NETFN 0xC
+#define BRIDGE_NETFN 0x2
+
+#define STORAGE_NETFN 0x0A
+#define STORAGE_GET_FRU_INV_AREA 0x10
+#define STORAGE_READ_FRU_DATA 0x11
+#define STORAGE_RESERVE_SDR 0x22
+#define STORAGE_GET_SDR 0x23
+#define STORAGE_ADD_SDR 0x24
+#define STORAGE_ADD_PARTIAL_SDR 0x25
+#define STORAGE_DELETE_SDR 0x26
+#define STORAGE_RESERVE_SEL 0x42
+#define STORAGE_GET_SEL 0x43
+#define STORAGE_ADD_SEL 0x44
+#define STORAGE_ADD_PARTIAL_SEL 0x45
+#define STORAGE_DELETE_SEL 0x46
+
+#define SE_NETFN 0x04
+#define SE_GET_SDR_INFO 0x20
+#define SE_GET_SDR 0x21
+#define SE_RESERVE_SDR 0x22
+#define SE_GET_SENSOR_FACTOR 0x23
+#define SE_SET_SENSOR_HYSTERESIS 0x24
+#define SE_GET_SENSOR_HYSTERESIS 0x25
+#define SE_SET_SENSOR_THRESHOLD 0x26
+#define SE_GET_SENSOR_THRESHOLD 0x27
+#define SE_SET_SENSOR_EVENT_ENABLE 0x28
+#define SE_GET_SENSOR_EVENT_ENABLE 0x29
+#define SE_REARM_SENSOR_EVENTS 0x2A
+#define SE_GET_SENSOR_EVENT_STATUS 0x2B
+#define SE_GET_SENSOR_READING 0x2D
+#define SE_SET_SENSOR_TYPE 0x2E
+#define SE_GET_SENSOR_TYPE 0x2F
+
+struct sdrhdr {
+ uint16_t record_id; /* SDR Record ID */
+ uint8_t sdr_version; /* SDR Version */
+ uint8_t record_type; /* SDR Record Type */
+ uint8_t record_length; /* SDR Record Length */
+} __packed;
+
+/* SDR: Record Type 1 */
+struct sdrtype1 {
+ struct sdrhdr sdrhdr;
+
+ uint8_t owner_id;
+ uint8_t owner_lun;
+ uint8_t sensor_num;
+
+ uint8_t entity_id;
+ uint8_t entity_instance;
+ uint8_t sensor_init;
+ uint8_t sensor_caps;
+ uint8_t sensor_type;
+ uint8_t event_code;
+ uint16_t trigger_mask;
+ uint16_t reading_mask;
+ uint16_t settable_mask;
+ uint8_t units1;
+ uint8_t units2;
+ uint8_t units3;
+ uint8_t linear;
+ uint8_t m;
+ uint8_t m_tolerance;
+ uint8_t b;
+ uint8_t b_accuracy;
+ uint8_t accuracyexp;
+ uint8_t rbexp;
+ uint8_t analogchars;
+ uint8_t nominalreading;
+ uint8_t normalmax;
+ uint8_t normalmin;
+ uint8_t sensormax;
+ uint8_t sensormin;
+ uint8_t uppernr;
+ uint8_t upperc;
+ uint8_t uppernc;
+ uint8_t lowernr;
+ uint8_t lowerc;
+ uint8_t lowernc;
+ uint8_t physt;
+ uint8_t nhyst;
+ uint8_t resvd[2];
+ uint8_t oem;
+ uint8_t typelen;
+ uint8_t name[1];
+} __packed;
+
+/* SDR: Record Type 2 */
+struct sdrtype2 {
+ struct sdrhdr sdrhdr;
+
+ uint8_t owner_id;
+ uint8_t owner_lun;
+ uint8_t sensor_num;
+
+ uint8_t entity_id;
+ uint8_t entity_instance;
+ uint8_t sensor_init;
+ uint8_t sensor_caps;
+ uint8_t sensor_type;
+ uint8_t event_code;
+ uint16_t trigger_mask;
+ uint16_t reading_mask;
+ uint16_t set_mask;
+ uint8_t units1;
+ uint8_t units2;
+ uint8_t units3;
+ uint8_t share1;
+ uint8_t share2;
+ uint8_t physt;
+ uint8_t nhyst;
+ uint8_t resvd[3];
+ uint8_t oem;
+ uint8_t typelen;
+ uint8_t name[1];
+} __packed;
+
+#endif /* _IPMIVAR_H_ */
Index: sys/dev/files.dev
===================================================================
RCS file: /cvsroot/src/sys/dev/files.dev,v
retrieving revision 1.4
diff -p -u -r1.4 files.dev
--- sys/dev/files.dev 1 Nov 2017 19:34:45 -0000 1.4
+++ sys/dev/files.dev 25 Dec 2018 10:30:19 -0000
@@ -25,3 +25,4 @@ file dev/rndpseudo.c rnd needs-flag
file dev/sequencer.c sequencer needs-flag
file dev/video.c video needs-flag
file dev/vnd.c vnd
+file dev/ipmi.c ipmi needs-flag
Index: sys/arch/x86/include/ipmivar.h
===================================================================
RCS file: /cvsroot/src/sys/arch/x86/include/ipmivar.h,v
retrieving revision 1.11
diff -p -u -r1.11 ipmivar.h
--- sys/arch/x86/include/ipmivar.h 1 Aug 2010 08:16:14 -0000 1.11
+++ sys/arch/x86/include/ipmivar.h 25 Dec 2018 10:30:19 -0000
@@ -1,318 +1,7 @@
-/* $NetBSD: ipmivar.h,v 1.11 2010/08/01 08:16:14 mlelstv Exp $ */
+/* $NetBSD:$ */
-/*
- * Copyright (c) 2005 Jordan Hargrave
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- */
+#ifndef _X86_IPMIVAR_H_
+#include <dev/ipmivar.h>
+int ipmi_probe(struct ipmi_attach_args *);
+#endif /* _X86_IPMIVAR_H */
-#include <sys/mutex.h>
-#include <sys/condvar.h>
-
-#include <dev/sysmon/sysmonvar.h>
-
-#ifndef _IPMIVAR_H_
-#define _IPMIVAR_H_
-
-#define IPMI_IF_KCS 1
-#define IPMI_IF_SMIC 2
-#define IPMI_IF_BT 3
-
-#define IPMI_IF_KCS_NREGS 2
-#define IPMI_IF_SMIC_NREGS 3
-#define IPMI_IF_BT_NREGS 3
-
-struct ipmi_thread;
-struct ipmi_softc;
-
-struct ipmi_attach_args {
- bus_space_tag_t iaa_iot;
- bus_space_tag_t iaa_memt;
-
- int iaa_if_type;
- int iaa_if_rev;
- int iaa_if_iotype;
- int iaa_if_iobase;
- int iaa_if_iospacing;
- int iaa_if_irq;
- int iaa_if_irqlvl;
-};
-
-struct ipmi_if {
- const char *name;
- int nregs;
- void *(*buildmsg)(struct ipmi_softc *, int, int, int,
- const void *, int *);
- int (*sendmsg)(struct ipmi_softc *, int, const uint8_t *);
- int (*recvmsg)(struct ipmi_softc *, int, int *, uint8_t *);
- int (*reset)(struct ipmi_softc *);
- int (*probe)(struct ipmi_softc *);
-};
-
-struct ipmi_softc {
- device_t sc_dev;
-
- struct ipmi_if *sc_if; /* Interface layer */
- int sc_if_iospacing; /* Spacing of I/O ports */
- int sc_if_rev; /* IPMI Revision */
- struct ipmi_attach_args sc_ia;
-
- void *sc_ih; /* Interrupt/IO handles */
- bus_space_tag_t sc_iot;
- bus_space_handle_t sc_ioh;
-
- int sc_btseq;
-
- struct lwp *sc_kthread;
-
- int sc_max_retries;
-
- kmutex_t sc_poll_mtx;
- kcondvar_t sc_poll_cv;
-
- kmutex_t sc_cmd_mtx;
- kmutex_t sc_sleep_mtx;
- kcondvar_t sc_cmd_sleep;
-
- struct ipmi_bmc_args *sc_iowait_args;
-
- struct ipmi_sensor *current_sensor;
- volatile bool sc_thread_running;
- volatile bool sc_tickle_due;
- struct sysmon_wdog sc_wdog;
- struct sysmon_envsys *sc_envsys;
- envsys_data_t *sc_sensor;
- int sc_nsensors; /* total number of sensors */
-
- char sc_buf[64];
- bool sc_buf_rsvd;
-};
-
-struct ipmi_thread {
- struct ipmi_softc *sc;
- volatile int running;
-};
-
-#define IPMI_WDOG_USE_NOLOG __BIT(7)
-#define IPMI_WDOG_USE_NOSTOP __BIT(6)
-#define IPMI_WDOG_USE_RSVD1 __BITS(5, 3)
-#define IPMI_WDOG_USE_USE_MASK __BITS(2, 0)
-#define IPMI_WDOG_USE_USE_RSVD __SHIFTIN(0, IPMI_WDOG_USE_USE_MASK);
-#define IPMI_WDOG_USE_USE_FRB2 __SHIFTIN(1, IPMI_WDOG_USE_USE_MASK);
-#define IPMI_WDOG_USE_USE_POST __SHIFTIN(2, IPMI_WDOG_USE_USE_MASK);
-#define IPMI_WDOG_USE_USE_OSLOAD __SHIFTIN(3, IPMI_WDOG_USE_USE_MASK);
-#define IPMI_WDOG_USE_USE_OS __SHIFTIN(4, IPMI_WDOG_USE_USE_MASK);
-#define IPMI_WDOG_USE_USE_OEM __SHIFTIN(5, IPMI_WDOG_USE_USE_MASK);
-
-#define IPMI_WDOG_ACT_PRE_RSVD1 __BIT(7)
-#define IPMI_WDOG_ACT_PRE_MASK __BITS(6, 4)
-#define IPMI_WDOG_ACT_PRE_DISABLED __SHIFTIN(0, IPMI_WDOG_ACT_MASK)
-#define IPMI_WDOG_ACT_PRE_SMI __SHIFTIN(1, IPMI_WDOG_ACT_MASK)
-#define IPMI_WDOG_ACT_PRE_NMI __SHIFTIN(2, IPMI_WDOG_ACT_MASK)
-#define IPMI_WDOG_ACT_PRE_INTERRUPT __SHIFTIN(3, IPMI_WDOG_ACT_MASK)
-#define IPMI_WDOG_ACT_PRE_RSVD0 __BIT(3)
-#define IPMI_WDOG_ACT_MASK __BITS(2, 0)
-#define IPMI_WDOG_ACT_DISABLED __SHIFTIN(0, IPMI_WDOG_ACT_MASK)
-#define IPMI_WDOG_ACT_RESET __SHIFTIN(1, IPMI_WDOG_ACT_MASK)
-#define IPMI_WDOG_ACT_PWROFF __SHIFTIN(2, IPMI_WDOG_ACT_MASK)
-#define IPMI_WDOG_ACT_PWRCYCLE __SHIFTIN(3, IPMI_WDOG_ACT_MASK)
-
-#define IPMI_WDOG_FLAGS_RSVD1 __BITS(7, 6)
-#define IPMI_WDOG_FLAGS_OEM __BIT(5)
-#define IPMI_WDOG_FLAGS_OS __BIT(4)
-#define IPMI_WDOG_FLAGS_OSLOAD __BIT(3)
-#define IPMI_WDOG_FLAGS_POST __BIT(2)
-#define IPMI_WDOG_FLAGS_FRB2 __BIT(1)
-#define IPMI_WDOG_FLAGS_RSVD0 __BIT(0)
-
-struct ipmi_set_watchdog {
- uint8_t wdog_use;
- uint8_t wdog_action;
- uint8_t wdog_pretimeout;
- uint8_t wdog_flags;
- uint16_t wdog_timeout;
-} __packed;
-
-struct ipmi_get_watchdog {
- uint8_t wdog_use;
- uint8_t wdog_action;
- uint8_t wdog_pretimeout;
- uint8_t wdog_flags;
- uint16_t wdog_timeout;
- uint16_t wdog_countdown;
-} __packed;
-
-void ipmi_poll_thread(void *);
-
-int kcs_probe(struct ipmi_softc *);
-int kcs_reset(struct ipmi_softc *);
-int kcs_sendmsg(struct ipmi_softc *, int, const uint8_t *);
-int kcs_recvmsg(struct ipmi_softc *, int, int *len, uint8_t *);
-
-int bt_probe(struct ipmi_softc *);
-int bt_reset(struct ipmi_softc *);
-int bt_sendmsg(struct ipmi_softc *, int, const uint8_t *);
-int bt_recvmsg(struct ipmi_softc *, int, int *, uint8_t *);
-
-int smic_probe(struct ipmi_softc *);
-int smic_reset(struct ipmi_softc *);
-int smic_sendmsg(struct ipmi_softc *, int, const uint8_t *);
-int smic_recvmsg(struct ipmi_softc *, int, int *, uint8_t *);
-
-struct dmd_ipmi {
- uint8_t dmd_sig[4]; /* Signature 'IPMI' */
- uint8_t dmd_i2c_address; /* Address of BMC */
- uint8_t dmd_nvram_address; /* Address of NVRAM */
- uint8_t dmd_if_type; /* IPMI Interface Type */
- uint8_t dmd_if_rev; /* IPMI Interface Revision */
-} __packed;
-
-
-#define APP_NETFN 0x06
-#define APP_GET_DEVICE_ID 0x01
-#define APP_RESET_WATCHDOG 0x22
-#define APP_SET_WATCHDOG_TIMER 0x24
-#define APP_GET_WATCHDOG_TIMER 0x25
-
-#define TRANSPORT_NETFN 0xC
-#define BRIDGE_NETFN 0x2
-
-#define STORAGE_NETFN 0x0A
-#define STORAGE_GET_FRU_INV_AREA 0x10
-#define STORAGE_READ_FRU_DATA 0x11
-#define STORAGE_RESERVE_SDR 0x22
-#define STORAGE_GET_SDR 0x23
-#define STORAGE_ADD_SDR 0x24
-#define STORAGE_ADD_PARTIAL_SDR 0x25
-#define STORAGE_DELETE_SDR 0x26
-#define STORAGE_RESERVE_SEL 0x42
-#define STORAGE_GET_SEL 0x43
-#define STORAGE_ADD_SEL 0x44
-#define STORAGE_ADD_PARTIAL_SEL 0x45
-#define STORAGE_DELETE_SEL 0x46
-
-#define SE_NETFN 0x04
-#define SE_GET_SDR_INFO 0x20
-#define SE_GET_SDR 0x21
-#define SE_RESERVE_SDR 0x22
-#define SE_GET_SENSOR_FACTOR 0x23
-#define SE_SET_SENSOR_HYSTERESIS 0x24
-#define SE_GET_SENSOR_HYSTERESIS 0x25
-#define SE_SET_SENSOR_THRESHOLD 0x26
-#define SE_GET_SENSOR_THRESHOLD 0x27
-#define SE_SET_SENSOR_EVENT_ENABLE 0x28
-#define SE_GET_SENSOR_EVENT_ENABLE 0x29
-#define SE_REARM_SENSOR_EVENTS 0x2A
-#define SE_GET_SENSOR_EVENT_STATUS 0x2B
-#define SE_GET_SENSOR_READING 0x2D
-#define SE_SET_SENSOR_TYPE 0x2E
-#define SE_GET_SENSOR_TYPE 0x2F
-
-struct sdrhdr {
- uint16_t record_id; /* SDR Record ID */
- uint8_t sdr_version; /* SDR Version */
- uint8_t record_type; /* SDR Record Type */
- uint8_t record_length; /* SDR Record Length */
-} __packed;
-
-/* SDR: Record Type 1 */
-struct sdrtype1 {
- struct sdrhdr sdrhdr;
-
- uint8_t owner_id;
- uint8_t owner_lun;
- uint8_t sensor_num;
-
- uint8_t entity_id;
- uint8_t entity_instance;
- uint8_t sensor_init;
- uint8_t sensor_caps;
- uint8_t sensor_type;
- uint8_t event_code;
- uint16_t trigger_mask;
- uint16_t reading_mask;
- uint16_t settable_mask;
- uint8_t units1;
- uint8_t units2;
- uint8_t units3;
- uint8_t linear;
- uint8_t m;
- uint8_t m_tolerance;
- uint8_t b;
- uint8_t b_accuracy;
- uint8_t accuracyexp;
- uint8_t rbexp;
- uint8_t analogchars;
- uint8_t nominalreading;
- uint8_t normalmax;
- uint8_t normalmin;
- uint8_t sensormax;
- uint8_t sensormin;
- uint8_t uppernr;
- uint8_t upperc;
- uint8_t uppernc;
- uint8_t lowernr;
- uint8_t lowerc;
- uint8_t lowernc;
- uint8_t physt;
- uint8_t nhyst;
- uint8_t resvd[2];
- uint8_t oem;
- uint8_t typelen;
- uint8_t name[1];
-} __packed;
-
-/* SDR: Record Type 2 */
-struct sdrtype2 {
- struct sdrhdr sdrhdr;
-
- uint8_t owner_id;
- uint8_t owner_lun;
- uint8_t sensor_num;
-
- uint8_t entity_id;
- uint8_t entity_instance;
- uint8_t sensor_init;
- uint8_t sensor_caps;
- uint8_t sensor_type;
- uint8_t event_code;
- uint16_t trigger_mask;
- uint16_t reading_mask;
- uint16_t set_mask;
- uint8_t units1;
- uint8_t units2;
- uint8_t units3;
- uint8_t share1;
- uint8_t share2;
- uint8_t physt;
- uint8_t nhyst;
- uint8_t resvd[3];
- uint8_t oem;
- uint8_t typelen;
- uint8_t name[1];
-} __packed;
-
-int ipmi_probe(struct ipmi_attach_args *);
-
-#endif /* _IPMIVAR_H_ */
Index: sys/arch/x86/x86/x86_ipmi.c
===================================================================
RCS file: sys/arch/x86/x86/x86_ipmi.c
diff -N sys/arch/x86/x86/x86_ipmi.c
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ sys/arch/x86/x86/x86_ipmi.c 25 Dec 2018 10:30:19 -0000
@@ -0,0 +1,205 @@
+/* $NetBSD:$ */
+
+/*
+ * Copyright (c) 2006 Manuel Bouyer.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+/*
+ * Copyright (c) 2005 Jordan Hargrave
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD:$");
+
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/pmf.h>
+#include <sys/bus.h>
+#include <sys/intr.h>
+
+#include <x86/smbiosvar.h>
+
+#include <dev/isa/isareg.h>
+#include <dev/isa/isavar.h>
+
+#include <x86/ipmivar.h>
+
+#define SMBIOS_TYPE_IPMI 0x26
+
+/*
+ * Format of SMBIOS IPMI Flags
+ *
+ * bit0: interrupt trigger mode (1=level, 0=edge)
+ * bit1: interrupt polarity (1=active high, 0=active low)
+ * bit2: reserved
+ * bit3: address LSB (1=odd,0=even)
+ * bit4: interrupt (1=specified, 0=not specified)
+ * bit5: reserved
+ * bit6/7: register spacing (1,4,2,err)
+ */
+#define SMIPMI_FLAG_IRQLVL (1L << 0)
+#define SMIPMI_FLAG_IRQEN (1L << 3)
+#define SMIPMI_FLAG_ODDOFFSET (1L << 4)
+#define SMIPMI_FLAG_IFSPACING(x) (((x)>>6)&0x3)
+#define IPMI_IOSPACING_BYTE 0
+#define IPMI_IOSPACING_WORD 2
+#define IPMI_IOSPACING_DWORD 1
+
+static void
+ipmi_smbios_probe(struct smbios_ipmi *pipmi, struct ipmi_attach_args *ia)
+{
+ const char *platform;
+
+ aprint_debug("%s: %#.2x %#.2x %#.2x %#.2x %#08" PRIx64
+ " %#.2x %#.2x\n", __func__,
+ pipmi->smipmi_if_type,
+ pipmi->smipmi_if_rev,
+ pipmi->smipmi_i2c_address,
+ pipmi->smipmi_nvram_address,
+ pipmi->smipmi_base_address,
+ pipmi->smipmi_base_flags,
+ pipmi->smipmi_irq);
+
+ ia->iaa_if_type = pipmi->smipmi_if_type;
+ ia->iaa_if_rev = pipmi->smipmi_if_rev;
+ ia->iaa_if_irq = (pipmi->smipmi_base_flags & SMIPMI_FLAG_IRQEN) ?
+ pipmi->smipmi_irq : -1;
+ ia->iaa_if_irqlvl = (pipmi->smipmi_base_flags & SMIPMI_FLAG_IRQLVL) ?
+ IST_LEVEL : IST_EDGE;
+
+ switch (SMIPMI_FLAG_IFSPACING(pipmi->smipmi_base_flags)) {
+ case IPMI_IOSPACING_BYTE:
+ ia->iaa_if_iospacing = 1;
+ break;
+
+ case IPMI_IOSPACING_DWORD:
+ ia->iaa_if_iospacing = 4;
+ break;
+
+ case IPMI_IOSPACING_WORD:
+ ia->iaa_if_iospacing = 2;
+ break;
+
+ default:
+ ia->iaa_if_iospacing = 1;
+ aprint_error("%s: unknown register spacing\n", __func__);
+ }
+
+ /* Calculate base address (PCI BAR format) */
+ if (pipmi->smipmi_base_address & 0x1) {
+ ia->iaa_if_iotype = 'i';
+ ia->iaa_if_iobase = pipmi->smipmi_base_address & ~0x1;
+ } else {
+ ia->iaa_if_iotype = 'm';
+ ia->iaa_if_iobase = pipmi->smipmi_base_address & ~0xF;
+ }
+ if (pipmi->smipmi_base_flags & SMIPMI_FLAG_ODDOFFSET)
+ ia->iaa_if_iobase++;
+
+ platform = pmf_get_platform("system-product");
+ if (platform != NULL &&
+ strcmp(platform, "ProLiant MicroServer") == 0 &&
+ pipmi->smipmi_base_address != 0) {
+ ia->iaa_if_iospacing = 1;
+ ia->iaa_if_iobase = pipmi->smipmi_base_address & ~0x7;
+ ia->iaa_if_iotype = 'i';
+ return;
+ }
+
+ if (pipmi->smipmi_base_flags == 0x7f) {
+ /* IBM 325 eServer workaround */
+ ia->iaa_if_iospacing = 1;
+ ia->iaa_if_iobase = pipmi->smipmi_base_address;
+ ia->iaa_if_iotype = 'i';
+ return;
+ }
+}
+
+/* Scan memory for signature */
+static void *
+scan_sig(long start, long end, int skip, int len, const void *data)
+{
+ void *va;
+
+ while (start < end) {
+ va = ISA_HOLE_VADDR(start);
+ if (memcmp(va, data, len) == 0)
+ return (va);
+
+ start += skip;
+ }
+
+ return (NULL);
+}
+
+int
+ipmi_probe(struct ipmi_attach_args *ia)
+{
+ struct dmd_ipmi *pipmi;
+ struct smbtable tbl;
+
+ tbl.cookie = 0;
+
+ if (smbios_find_table(SMBIOS_TYPE_IPMIDEV, &tbl))
+ ipmi_smbios_probe(tbl.tblhdr, ia);
+ else {
+ pipmi = scan_sig(0xC0000L, 0xFFFFFL, 16, 4, "IPMI");
+ /* XXX hack to find Dell PowerEdge 8450 */
+ if (pipmi == NULL) {
+ /* no IPMI found */
+ return 0;
+ }
+
+ /* we have an IPMI signature, fill in attach arg structure */
+ ia->iaa_if_type = pipmi->dmd_if_type;
+ ia->iaa_if_rev = pipmi->dmd_if_rev;
+ }
+
+ return 1;
+}
+
Index: sys/arch/x86/x86/ipmi.c
===================================================================
RCS file: sys/arch/x86/x86/ipmi.c
diff -N sys/arch/x86/x86/ipmi.c
--- sys/arch/x86/x86/ipmi.c 17 Dec 2018 16:26:03 -0000 1.70
+++ /dev/null 1 Jan 1970 00:00:00 -0000
@@ -1,2321 +0,0 @@
-/* $NetBSD: ipmi.c,v 1.70 2018/12/17 16:26:03 christos Exp $ */
-
-/*
- * Copyright (c) 2006 Manuel Bouyer.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
- * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
- * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- */
-
-/*
- * Copyright (c) 2005 Jordan Hargrave
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
- * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ipmi.c,v 1.70 2018/12/17 16:26:03 christos Exp $");
-
-#include <sys/types.h>
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/kernel.h>
-#include <sys/device.h>
-#include <sys/extent.h>
-#include <sys/callout.h>
-#include <sys/envsys.h>
-#include <sys/malloc.h>
-#include <sys/kthread.h>
-#include <sys/bus.h>
-#include <sys/intr.h>
-
-#include <x86/smbiosvar.h>
-
-#include <dev/isa/isareg.h>
-#include <dev/isa/isavar.h>
-
-#include <x86/ipmivar.h>
-
-#include <uvm/uvm_extern.h>
-
-struct ipmi_sensor {
- uint8_t *i_sdr;
- int i_num;
- int i_stype;
- int i_etype;
- char i_envdesc[64];
- int i_envtype; /* envsys compatible type */
- int i_envnum; /* envsys index */
- sysmon_envsys_lim_t i_limits, i_deflims;
- uint32_t i_props, i_defprops;
- SLIST_ENTRY(ipmi_sensor) i_list;
- int32_t i_prevval; /* feed rnd source on change */
-};
-
-int ipmi_nintr;
-int ipmi_dbg = 0;
-int ipmi_enabled = 0;
-
-#define SENSOR_REFRESH_RATE (hz / 2)
-
-#define SMBIOS_TYPE_IPMI 0x26
-
-/*
- * Format of SMBIOS IPMI Flags
- *
- * bit0: interrupt trigger mode (1=level, 0=edge)
- * bit1: interrupt polarity (1=active high, 0=active low)
- * bit2: reserved
- * bit3: address LSB (1=odd,0=even)
- * bit4: interrupt (1=specified, 0=not specified)
- * bit5: reserved
- * bit6/7: register spacing (1,4,2,err)
- */
-#define SMIPMI_FLAG_IRQLVL (1L << 0)
-#define SMIPMI_FLAG_IRQEN (1L << 3)
-#define SMIPMI_FLAG_ODDOFFSET (1L << 4)
-#define SMIPMI_FLAG_IFSPACING(x) (((x)>>6)&0x3)
-#define IPMI_IOSPACING_BYTE 0
-#define IPMI_IOSPACING_WORD 2
-#define IPMI_IOSPACING_DWORD 1
-
-#define IPMI_BTMSG_LEN 0
-#define IPMI_BTMSG_NFLN 1
-#define IPMI_BTMSG_SEQ 2
-#define IPMI_BTMSG_CMD 3
-#define IPMI_BTMSG_CCODE 4
-#define IPMI_BTMSG_DATASND 4
-#define IPMI_BTMSG_DATARCV 5
-
-#define IPMI_MSG_NFLN 0
-#define IPMI_MSG_CMD 1
-#define IPMI_MSG_CCODE 2
-#define IPMI_MSG_DATASND 2
-#define IPMI_MSG_DATARCV 3
-
-#define IPMI_SENSOR_TYPE_TEMP 0x0101
-#define IPMI_SENSOR_TYPE_VOLT 0x0102
-#define IPMI_SENSOR_TYPE_FAN 0x0104
-#define IPMI_SENSOR_TYPE_INTRUSION 0x6F05
-#define IPMI_SENSOR_TYPE_PWRSUPPLY 0x6F08
-
-#define IPMI_NAME_UNICODE 0x00
-#define IPMI_NAME_BCDPLUS 0x01
-#define IPMI_NAME_ASCII6BIT 0x02
-#define IPMI_NAME_ASCII8BIT 0x03
-
-#define IPMI_ENTITY_PWRSUPPLY 0x0A
-
-#define IPMI_SENSOR_SCANNING_ENABLED (1L << 6)
-#define IPMI_SENSOR_UNAVAILABLE (1L << 5)
-#define IPMI_INVALID_SENSOR_P(x) \
- (((x) & (IPMI_SENSOR_SCANNING_ENABLED|IPMI_SENSOR_UNAVAILABLE)) \
- != IPMI_SENSOR_SCANNING_ENABLED)
-
-#define IPMI_SDR_TYPEFULL 1
-#define IPMI_SDR_TYPECOMPACT 2
-
-#define byteof(x) ((x) >> 3)
-#define bitof(x) (1L << ((x) & 0x7))
-#define TB(b,m) (data[2+byteof(b)] & bitof(b))
-
-#define dbg_printf(lvl, fmt...) \
- if (ipmi_dbg >= lvl) \
- printf(fmt);
-#define dbg_dump(lvl, msg, len, buf) \
- if (len && ipmi_dbg >= lvl) \
- dumpb(msg, len, (const uint8_t *)(buf));
-
-long signextend(unsigned long, int);
-
-SLIST_HEAD(ipmi_sensors_head, ipmi_sensor);
-struct ipmi_sensors_head ipmi_sensor_list =
- SLIST_HEAD_INITIALIZER(&ipmi_sensor_list);
-
-void dumpb(const char *, int, const uint8_t *);
-
-int read_sensor(struct ipmi_softc *, struct ipmi_sensor *);
-int add_sdr_sensor(struct ipmi_softc *, uint8_t *);
-int get_sdr_partial(struct ipmi_softc *, uint16_t, uint16_t,
- uint8_t, uint8_t, void *, uint16_t *);
-int get_sdr(struct ipmi_softc *, uint16_t, uint16_t *);
-
-char *ipmi_buf_acquire(struct ipmi_softc *, size_t);
-void ipmi_buf_release(struct ipmi_softc *, char *);
-int ipmi_sendcmd(struct ipmi_softc *, int, int, int, int, int, const void*);
-int ipmi_recvcmd(struct ipmi_softc *, int, int *, void *);
-void ipmi_delay(struct ipmi_softc *, int);
-
-int ipmi_watchdog_setmode(struct sysmon_wdog *);
-int ipmi_watchdog_tickle(struct sysmon_wdog *);
-void ipmi_dotickle(struct ipmi_softc *);
-
-int ipmi_intr(void *);
-int ipmi_match(device_t, cfdata_t, void *);
-void ipmi_attach(device_t, device_t, void *);
-static int ipmi_detach(device_t, int);
-
-long ipmi_convert(uint8_t, struct sdrtype1 *, long);
-void ipmi_sensor_name(char *, int, uint8_t, uint8_t *);
-
-/* BMC Helper Functions */
-uint8_t bmc_read(struct ipmi_softc *, int);
-void bmc_write(struct ipmi_softc *, int, uint8_t);
-int bmc_io_wait(struct ipmi_softc *, int, uint8_t, uint8_t, const char *);
-int bmc_io_wait_spin(struct ipmi_softc *, int, uint8_t, uint8_t);
-int bmc_io_wait_sleep(struct ipmi_softc *, int, uint8_t, uint8_t);
-
-void *bt_buildmsg(struct ipmi_softc *, int, int, int, const void *, int *);
-void *cmn_buildmsg(struct ipmi_softc *, int, int, int, const void *, int *);
-
-int getbits(uint8_t *, int, int);
-int ipmi_sensor_type(int, int, int);
-
-void ipmi_smbios_probe(struct smbios_ipmi *, struct ipmi_attach_args *);
-void ipmi_refresh_sensors(struct ipmi_softc *);
-int ipmi_map_regs(struct ipmi_softc *, struct ipmi_attach_args *);
-void ipmi_unmap_regs(struct ipmi_softc *);
-
-void *scan_sig(long, long, int, int, const void *);
-
-int32_t ipmi_convert_sensor(uint8_t *, struct ipmi_sensor *);
-void ipmi_set_limits(struct sysmon_envsys *, envsys_data_t *,
- sysmon_envsys_lim_t *, uint32_t *);
-void ipmi_get_limits(struct sysmon_envsys *, envsys_data_t *,
- sysmon_envsys_lim_t *, uint32_t *);
-void ipmi_get_sensor_limits(struct ipmi_softc *, struct ipmi_sensor *,
- sysmon_envsys_lim_t *, uint32_t *);
-int ipmi_sensor_status(struct ipmi_softc *, struct ipmi_sensor *,
- envsys_data_t *, uint8_t *);
-
-int add_child_sensors(struct ipmi_softc *, uint8_t *, int, int, int,
- int, int, int, const char *);
-
-bool ipmi_suspend(device_t, const pmf_qual_t *);
-
-struct ipmi_if kcs_if = {
- "KCS",
- IPMI_IF_KCS_NREGS,
- cmn_buildmsg,
- kcs_sendmsg,
- kcs_recvmsg,
- kcs_reset,
- kcs_probe,
-};
-
-struct ipmi_if smic_if = {
- "SMIC",
- IPMI_IF_SMIC_NREGS,
- cmn_buildmsg,
- smic_sendmsg,
- smic_recvmsg,
- smic_reset,
- smic_probe,
-};
-
-struct ipmi_if bt_if = {
- "BT",
- IPMI_IF_BT_NREGS,
- bt_buildmsg,
- bt_sendmsg,
- bt_recvmsg,
- bt_reset,
- bt_probe,
-};
-
-struct ipmi_if *ipmi_get_if(int);
-
-struct ipmi_if *
-ipmi_get_if(int iftype)
-{
- switch (iftype) {
- case IPMI_IF_KCS:
- return &kcs_if;
- case IPMI_IF_SMIC:
- return &smic_if;
- case IPMI_IF_BT:
- return &bt_if;
- default:
- return NULL;
- }
-}
-
-/*
- * BMC Helper Functions
- */
-uint8_t
-bmc_read(struct ipmi_softc *sc, int offset)
-{
- return bus_space_read_1(sc->sc_iot, sc->sc_ioh,
- offset * sc->sc_if_iospacing);
-}
-
-void
-bmc_write(struct ipmi_softc *sc, int offset, uint8_t val)
-{
- bus_space_write_1(sc->sc_iot, sc->sc_ioh,
- offset * sc->sc_if_iospacing, val);
-}
-
-int
-bmc_io_wait_sleep(struct ipmi_softc *sc, int offset, uint8_t mask,
- uint8_t value)
-{
- int retries;
- uint8_t v;
-
- KASSERT(mutex_owned(&sc->sc_cmd_mtx));
-
- for (retries = 0; retries < sc->sc_max_retries; retries++) {
- v = bmc_read(sc, offset);
- if ((v & mask) == value)
- return v;
- mutex_enter(&sc->sc_sleep_mtx);
- cv_timedwait(&sc->sc_cmd_sleep, &sc->sc_sleep_mtx, 1);
- mutex_exit(&sc->sc_sleep_mtx);
- }
- return -1;
-}
-
-int
-bmc_io_wait(struct ipmi_softc *sc, int offset, uint8_t mask, uint8_t value,
- const char *lbl)
-{
- int v;
-
- v = bmc_io_wait_spin(sc, offset, mask, value);
- if (cold || v != -1)
- return v;
-
- return bmc_io_wait_sleep(sc, offset, mask, value);
-}
-
-int
-bmc_io_wait_spin(struct ipmi_softc *sc, int offset, uint8_t mask,
- uint8_t value)
-{
- uint8_t v;
- int count = cold ? 15000 : 500;
- /* ~us */
-
- while (count--) {
- v = bmc_read(sc, offset);
- if ((v & mask) == value)
- return v;
-
- delay(1);
- }
-
- return -1;
-
-}
-
-#define NETFN_LUN(nf,ln) (((nf) << 2) | ((ln) & 0x3))
-
-/*
- * BT interface
- */
-#define _BT_CTRL_REG 0
-#define BT_CLR_WR_PTR (1L << 0)
-#define BT_CLR_RD_PTR (1L << 1)
-#define BT_HOST2BMC_ATN (1L << 2)
-#define BT_BMC2HOST_ATN (1L << 3)
-#define BT_EVT_ATN (1L << 4)
-#define BT_HOST_BUSY (1L << 6)
-#define BT_BMC_BUSY (1L << 7)
-
-#define BT_READY (BT_HOST_BUSY|BT_HOST2BMC_ATN|BT_BMC2HOST_ATN)
-
-#define _BT_DATAIN_REG 1
-#define _BT_DATAOUT_REG 1
-
-#define _BT_INTMASK_REG 2
-#define BT_IM_HIRQ_PEND (1L << 1)
-#define BT_IM_SCI_EN (1L << 2)
-#define BT_IM_SMI_EN (1L << 3)
-#define BT_IM_NMI2SMI (1L << 4)
-
-int bt_read(struct ipmi_softc *, int);
-int bt_write(struct ipmi_softc *, int, uint8_t);
-
-int
-bt_read(struct ipmi_softc *sc, int reg)
-{
- return bmc_read(sc, reg);
-}
-
-int
-bt_write(struct ipmi_softc *sc, int reg, uint8_t data)
-{
- if (bmc_io_wait(sc, _BT_CTRL_REG, BT_BMC_BUSY, 0, __func__) < 0)
- return -1;
-
- bmc_write(sc, reg, data);
- return 0;
-}
-
-int
-bt_sendmsg(struct ipmi_softc *sc, int len, const uint8_t *data)
-{
- int i;
-
- bt_write(sc, _BT_CTRL_REG, BT_CLR_WR_PTR);
- for (i = 0; i < len; i++)
- bt_write(sc, _BT_DATAOUT_REG, data[i]);
-
- bt_write(sc, _BT_CTRL_REG, BT_HOST2BMC_ATN);
- if (bmc_io_wait(sc, _BT_CTRL_REG, BT_HOST2BMC_ATN | BT_BMC_BUSY, 0,
- __func__) < 0)
- return -1;
-
- return 0;
-}
-
-int
-bt_recvmsg(struct ipmi_softc *sc, int maxlen, int *rxlen, uint8_t *data)
-{
- uint8_t len, v, i;
-
- if (bmc_io_wait(sc, _BT_CTRL_REG, BT_BMC2HOST_ATN, BT_BMC2HOST_ATN,
- __func__) < 0)
- return -1;
-
- bt_write(sc, _BT_CTRL_REG, BT_HOST_BUSY);
- bt_write(sc, _BT_CTRL_REG, BT_BMC2HOST_ATN);
- bt_write(sc, _BT_CTRL_REG, BT_CLR_RD_PTR);
- len = bt_read(sc, _BT_DATAIN_REG);
- for (i = IPMI_BTMSG_NFLN; i <= len; i++) {
- v = bt_read(sc, _BT_DATAIN_REG);
- if (i != IPMI_BTMSG_SEQ)
- *(data++) = v;
- }
- bt_write(sc, _BT_CTRL_REG, BT_HOST_BUSY);
- *rxlen = len - 1;
-
- return 0;
-}
-
-int
-bt_reset(struct ipmi_softc *sc)
-{
- return -1;
-}
-
-int
-bt_probe(struct ipmi_softc *sc)
-{
- uint8_t rv;
-
- rv = bmc_read(sc, _BT_CTRL_REG);
- rv &= BT_HOST_BUSY;
- rv |= BT_CLR_WR_PTR|BT_CLR_RD_PTR|BT_BMC2HOST_ATN|BT_HOST2BMC_ATN;
- bmc_write(sc, _BT_CTRL_REG, rv);
-
- rv = bmc_read(sc, _BT_INTMASK_REG);
- rv &= BT_IM_SCI_EN|BT_IM_SMI_EN|BT_IM_NMI2SMI;
- rv |= BT_IM_HIRQ_PEND;
- bmc_write(sc, _BT_INTMASK_REG, rv);
-
-#if 0
- printf("%s: %2x\n", __func__, v);
- printf(" WR : %2x\n", v & BT_CLR_WR_PTR);
- printf(" RD : %2x\n", v & BT_CLR_RD_PTR);
- printf(" H2B : %2x\n", v & BT_HOST2BMC_ATN);
- printf(" B2H : %2x\n", v & BT_BMC2HOST_ATN);
- printf(" EVT : %2x\n", v & BT_EVT_ATN);
- printf(" HBSY : %2x\n", v & BT_HOST_BUSY);
- printf(" BBSY : %2x\n", v & BT_BMC_BUSY);
-#endif
- return 0;
-}
-
-/*
- * SMIC interface
- */
-#define _SMIC_DATAIN_REG 0
-#define _SMIC_DATAOUT_REG 0
-
-#define _SMIC_CTRL_REG 1
-#define SMS_CC_GET_STATUS 0x40
-#define SMS_CC_START_TRANSFER 0x41
-#define SMS_CC_NEXT_TRANSFER 0x42
-#define SMS_CC_END_TRANSFER 0x43
-#define SMS_CC_START_RECEIVE 0x44
-#define SMS_CC_NEXT_RECEIVE 0x45
-#define SMS_CC_END_RECEIVE 0x46
-#define SMS_CC_TRANSFER_ABORT 0x47
-
-#define SMS_SC_READY 0xc0
-#define SMS_SC_WRITE_START 0xc1
-#define SMS_SC_WRITE_NEXT 0xc2
-#define SMS_SC_WRITE_END 0xc3
-#define SMS_SC_READ_START 0xc4
-#define SMS_SC_READ_NEXT 0xc5
-#define SMS_SC_READ_END 0xc6
-
-#define _SMIC_FLAG_REG 2
-#define SMIC_BUSY (1L << 0)
-#define SMIC_SMS_ATN (1L << 2)
-#define SMIC_EVT_ATN (1L << 3)
-#define SMIC_SMI (1L << 4)
-#define SMIC_TX_DATA_RDY (1L << 6)
-#define SMIC_RX_DATA_RDY (1L << 7)
-
-int smic_wait(struct ipmi_softc *, uint8_t, uint8_t, const char *);
-int smic_write_cmd_data(struct ipmi_softc *, uint8_t, const uint8_t *);
-int smic_read_data(struct ipmi_softc *, uint8_t *);
-
-int
-smic_wait(struct ipmi_softc *sc, uint8_t mask, uint8_t val, const char *lbl)
-{
- int v;
-
- /* Wait for expected flag bits */
- v = bmc_io_wait(sc, _SMIC_FLAG_REG, mask, val, __func__);
- if (v < 0)
- return -1;
-
- /* Return current status */
- v = bmc_read(sc, _SMIC_CTRL_REG);
- dbg_printf(99, "%s(%s) = %#.2x\n", __func__, lbl, v);
- return v;
-}
-
-int
-smic_write_cmd_data(struct ipmi_softc *sc, uint8_t cmd, const uint8_t *data)
-{
- int sts, v;
-
- dbg_printf(50, "%s: %#.2x %#.2x\n", __func__, cmd, data ? *data : -1);
- sts = smic_wait(sc, SMIC_TX_DATA_RDY | SMIC_BUSY, SMIC_TX_DATA_RDY,
- "smic_write_cmd_data ready");
- if (sts < 0)
- return sts;
-
- bmc_write(sc, _SMIC_CTRL_REG, cmd);
- if (data)
- bmc_write(sc, _SMIC_DATAOUT_REG, *data);
-
- /* Toggle BUSY bit, then wait for busy bit to clear */
- v = bmc_read(sc, _SMIC_FLAG_REG);
- bmc_write(sc, _SMIC_FLAG_REG, v | SMIC_BUSY);
-
- return smic_wait(sc, SMIC_BUSY, 0, __func__);
-}
-
-int
-smic_read_data(struct ipmi_softc *sc, uint8_t *data)
-{
- int sts;
-
- sts = smic_wait(sc, SMIC_RX_DATA_RDY | SMIC_BUSY, SMIC_RX_DATA_RDY,
- __func__);
- if (sts >= 0) {
- *data = bmc_read(sc, _SMIC_DATAIN_REG);
- dbg_printf(50, "%s: %#.2x\n", __func__, *data);
- }
- return sts;
-}
-
-#define ErrStat(a, ...) if (a) printf(__VA_ARGS__);
-
-int
-smic_sendmsg(struct ipmi_softc *sc, int len, const uint8_t *data)
-{
- int sts, idx;
-
- sts = smic_write_cmd_data(sc, SMS_CC_START_TRANSFER, &data[0]);
- ErrStat(sts != SMS_SC_WRITE_START, "%s: wstart", __func__);
- for (idx = 1; idx < len - 1; idx++) {
- sts = smic_write_cmd_data(sc, SMS_CC_NEXT_TRANSFER,
- &data[idx]);
- ErrStat(sts != SMS_SC_WRITE_NEXT, "%s: write", __func__);
- }
- sts = smic_write_cmd_data(sc, SMS_CC_END_TRANSFER, &data[idx]);
- if (sts != SMS_SC_WRITE_END) {
- dbg_printf(50, "%s: %d/%d = %#.2x\n", __func__, idx, len, sts);
- return -1;
- }
-
- return 0;
-}
-
-int
-smic_recvmsg(struct ipmi_softc *sc, int maxlen, int *len, uint8_t *data)
-{
- int sts, idx;
-
- *len = 0;
- sts = smic_wait(sc, SMIC_RX_DATA_RDY, SMIC_RX_DATA_RDY, __func__);
- if (sts < 0)
- return -1;
-
- sts = smic_write_cmd_data(sc, SMS_CC_START_RECEIVE, NULL);
- ErrStat(sts != SMS_SC_READ_START, "%s: rstart", __func__);
- for (idx = 0;; ) {
- sts = smic_read_data(sc, &data[idx++]);
- if (sts != SMS_SC_READ_START && sts != SMS_SC_READ_NEXT)
- break;
- smic_write_cmd_data(sc, SMS_CC_NEXT_RECEIVE, NULL);
- }
- ErrStat(sts != SMS_SC_READ_END, "%s: rend", __func__);
-
- *len = idx;
-
- sts = smic_write_cmd_data(sc, SMS_CC_END_RECEIVE, NULL);
- if (sts != SMS_SC_READY) {
- dbg_printf(50, "%s: %d/%d = %#.2x\n",
- __func__, idx, maxlen, sts);
- return -1;
- }
-
- return 0;
-}
-
-int
-smic_reset(struct ipmi_softc *sc)
-{
- return -1;
-}
-
-int
-smic_probe(struct ipmi_softc *sc)
-{
- /* Flag register should not be 0xFF on a good system */
- if (bmc_read(sc, _SMIC_FLAG_REG) == 0xFF)
- return -1;
-
- return 0;
-}
-
-/*
- * KCS interface
- */
-#define _KCS_DATAIN_REGISTER 0
-#define _KCS_DATAOUT_REGISTER 0
-#define KCS_READ_NEXT 0x68
-
-#define _KCS_COMMAND_REGISTER 1
-#define KCS_GET_STATUS 0x60
-#define KCS_WRITE_START 0x61
-#define KCS_WRITE_END 0x62
-
-#define _KCS_STATUS_REGISTER 1
-#define KCS_OBF (1L << 0)
-#define KCS_IBF (1L << 1)
-#define KCS_SMS_ATN (1L << 2)
-#define KCS_CD (1L << 3)
-#define KCS_OEM1 (1L << 4)
-#define KCS_OEM2 (1L << 5)
-#define KCS_STATE_MASK 0xc0
-#define KCS_IDLE_STATE 0x00
-#define KCS_READ_STATE 0x40
-#define KCS_WRITE_STATE 0x80
-#define KCS_ERROR_STATE 0xC0
-
-int kcs_wait(struct ipmi_softc *, uint8_t, uint8_t, const char *);
-int kcs_write_cmd(struct ipmi_softc *, uint8_t);
-int kcs_write_data(struct ipmi_softc *, uint8_t);
-int kcs_read_data(struct ipmi_softc *, uint8_t *);
-
-int
-kcs_wait(struct ipmi_softc *sc, uint8_t mask, uint8_t value, const char *lbl)
-{
- int v;
-
- v = bmc_io_wait(sc, _KCS_STATUS_REGISTER, mask, value, lbl);
- if (v < 0)
- return v;
-
- /* Check if output buffer full, read dummy byte */
- if ((v & (KCS_OBF | KCS_STATE_MASK)) == (KCS_OBF | KCS_WRITE_STATE))
- bmc_read(sc, _KCS_DATAIN_REGISTER);
-
- /* Check for error state */
- if ((v & KCS_STATE_MASK) == KCS_ERROR_STATE) {
- bmc_write(sc, _KCS_COMMAND_REGISTER, KCS_GET_STATUS);
- while (bmc_read(sc, _KCS_STATUS_REGISTER) & KCS_IBF)
- ;
- aprint_error_dev(sc->sc_dev, "error code: %#x\n",
- bmc_read(sc, _KCS_DATAIN_REGISTER));
- }
-
- return v & KCS_STATE_MASK;
-}
-
-int
-kcs_write_cmd(struct ipmi_softc *sc, uint8_t cmd)
-{
- /* ASSERT: IBF and OBF are clear */
- dbg_printf(50, "%s: %#.2x\n", __func__, cmd);
- bmc_write(sc, _KCS_COMMAND_REGISTER, cmd);
-
- return kcs_wait(sc, KCS_IBF, 0, "write_cmd");
-}
-
-int
-kcs_write_data(struct ipmi_softc *sc, uint8_t data)
-{
- /* ASSERT: IBF and OBF are clear */
- dbg_printf(50, "%s: %#.2x\n", __func__, data);
- bmc_write(sc, _KCS_DATAOUT_REGISTER, data);
-
- return kcs_wait(sc, KCS_IBF, 0, "write_data");
-}
-
-int
-kcs_read_data(struct ipmi_softc *sc, uint8_t * data)
-{
- int sts;
-
- sts = kcs_wait(sc, KCS_IBF | KCS_OBF, KCS_OBF, __func__);
- if (sts != KCS_READ_STATE)
- return sts;
-
- /* ASSERT: OBF is set read data, request next byte */
- *data = bmc_read(sc, _KCS_DATAIN_REGISTER);
- bmc_write(sc, _KCS_DATAOUT_REGISTER, KCS_READ_NEXT);
-
- dbg_printf(50, "%s: %#.2x\n", __func__, *data);
-
- return sts;
-}
-
-/* Exported KCS functions */
-int
-kcs_sendmsg(struct ipmi_softc *sc, int len, const uint8_t * data)
-{
- int idx, sts;
-
- /* ASSERT: IBF is clear */
- dbg_dump(50, __func__, len, data);
- sts = kcs_write_cmd(sc, KCS_WRITE_START);
- for (idx = 0; idx < len; idx++) {
- if (idx == len - 1)
- sts = kcs_write_cmd(sc, KCS_WRITE_END);
-
- if (sts != KCS_WRITE_STATE)
- break;
-
- sts = kcs_write_data(sc, data[idx]);
- }
- if (sts != KCS_READ_STATE) {
- dbg_printf(1, "%s: %d/%d <%#.2x>\n", __func__, idx, len, sts);
- dbg_dump(1, __func__, len, data);
- return -1;
- }
-
- return 0;
-}
-
-int
-kcs_recvmsg(struct ipmi_softc *sc, int maxlen, int *rxlen, uint8_t * data)
-{
- int idx, sts;
-
- for (idx = 0; idx < maxlen; idx++) {
- sts = kcs_read_data(sc, &data[idx]);
- if (sts != KCS_READ_STATE)
- break;
- }
- sts = kcs_wait(sc, KCS_IBF, 0, __func__);
- *rxlen = idx;
- if (sts != KCS_IDLE_STATE) {
- dbg_printf(1, "%s: %d/%d <%#.2x>\n",
- __func__, idx, maxlen, sts);
- return -1;
- }
-
- dbg_dump(50, __func__, idx, data);
-
- return 0;
-}
-
-int
-kcs_reset(struct ipmi_softc *sc)
-{
- return -1;
-}
-
-int
-kcs_probe(struct ipmi_softc *sc)
-{
- uint8_t v;
-
- v = bmc_read(sc, _KCS_STATUS_REGISTER);
-#if 0
- printf("%s: %2x\n", __func__, v);
- printf(" STS: %2x\n", v & KCS_STATE_MASK);
- printf(" ATN: %2x\n", v & KCS_SMS_ATN);
- printf(" C/D: %2x\n", v & KCS_CD);
- printf(" IBF: %2x\n", v & KCS_IBF);
- printf(" OBF: %2x\n", v & KCS_OBF);
-#else
- __USE(v);
-#endif
- return 0;
-}
-
-/*
- * IPMI code
- */
-#define READ_SMS_BUFFER 0x37
-#define WRITE_I2C 0x50
-
-#define GET_MESSAGE_CMD 0x33
-#define SEND_MESSAGE_CMD 0x34
-
-#define IPMB_CHANNEL_NUMBER 0
-
-#define PUBLIC_BUS 0
-
-#define MIN_I2C_PACKET_SIZE 3
-#define MIN_IMB_PACKET_SIZE 7 /* one byte for cksum */
-
-#define MIN_BTBMC_REQ_SIZE 4
-#define MIN_BTBMC_RSP_SIZE 5
-#define MIN_BMC_REQ_SIZE 2
-#define MIN_BMC_RSP_SIZE 3
-
-#define BMC_SA 0x20 /* BMC/ESM3 */
-#define FPC_SA 0x22 /* front panel */
-#define BP_SA 0xC0 /* Primary Backplane */
-#define BP2_SA 0xC2 /* Secondary Backplane */
-#define PBP_SA 0xC4 /* Peripheral Backplane */
-#define DRAC_SA 0x28 /* DRAC-III */
-#define DRAC3_SA 0x30 /* DRAC-III */
-#define BMC_LUN 0
-#define SMS_LUN 2
-
-struct ipmi_request {
- uint8_t rsSa;
- uint8_t rsLun;
- uint8_t netFn;
- uint8_t cmd;
- uint8_t data_len;
- uint8_t *data;
-};
-
-struct ipmi_response {
- uint8_t cCode;
- uint8_t data_len;
- uint8_t *data;
-};
-
-struct ipmi_bmc_request {
- uint8_t bmc_nfLn;
- uint8_t bmc_cmd;
- uint8_t bmc_data_len;
- uint8_t bmc_data[1];
-};
-
-struct ipmi_bmc_response {
- uint8_t bmc_nfLn;
- uint8_t bmc_cmd;
- uint8_t bmc_cCode;
- uint8_t bmc_data_len;
- uint8_t bmc_data[1];
-};
-
-
-CFATTACH_DECL2_NEW(ipmi, sizeof(struct ipmi_softc),
- ipmi_match, ipmi_attach, ipmi_detach, NULL, NULL, NULL);
-
-/* Scan memory for signature */
-void *
-scan_sig(long start, long end, int skip, int len, const void *data)
-{
- void *va;
-
- while (start < end) {
- va = ISA_HOLE_VADDR(start);
- if (memcmp(va, data, len) == 0)
- return va;
-
- start += skip;
- }
-
- return NULL;
-}
-
-void
-dumpb(const char *lbl, int len, const uint8_t *data)
-{
- int idx;
-
- printf("%s: ", lbl);
- for (idx = 0; idx < len; idx++)
- printf("%.2x ", data[idx]);
-
- printf("\n");
-}
-
-void
-ipmi_smbios_probe(struct smbios_ipmi *pipmi, struct ipmi_attach_args *ia)
-{
- const char *platform;
-
- dbg_printf(1, "%s: %#.2x %#.2x %#.2x %#.2x %#08" PRIx64
- " %#.2x %#.2x\n", __func__,
- pipmi->smipmi_if_type,
- pipmi->smipmi_if_rev,
- pipmi->smipmi_i2c_address,
- pipmi->smipmi_nvram_address,
- pipmi->smipmi_base_address,
- pipmi->smipmi_base_flags,
- pipmi->smipmi_irq);
-
- ia->iaa_if_type = pipmi->smipmi_if_type;
- ia->iaa_if_rev = pipmi->smipmi_if_rev;
- ia->iaa_if_irq = (pipmi->smipmi_base_flags & SMIPMI_FLAG_IRQEN) ?
- pipmi->smipmi_irq : -1;
- ia->iaa_if_irqlvl = (pipmi->smipmi_base_flags & SMIPMI_FLAG_IRQLVL) ?
- IST_LEVEL : IST_EDGE;
-
- switch (SMIPMI_FLAG_IFSPACING(pipmi->smipmi_base_flags)) {
- case IPMI_IOSPACING_BYTE:
- ia->iaa_if_iospacing = 1;
- break;
-
- case IPMI_IOSPACING_DWORD:
- ia->iaa_if_iospacing = 4;
- break;
-
- case IPMI_IOSPACING_WORD:
- ia->iaa_if_iospacing = 2;
- break;
-
- default:
- ia->iaa_if_iospacing = 1;
- aprint_error("%s: unknown register spacing\n", __func__);
- }
-
- /* Calculate base address (PCI BAR format) */
- if (pipmi->smipmi_base_address & 0x1) {
- ia->iaa_if_iotype = 'i';
- ia->iaa_if_iobase = pipmi->smipmi_base_address & ~0x1;
- } else {
- ia->iaa_if_iotype = 'm';
- ia->iaa_if_iobase = pipmi->smipmi_base_address & ~0xF;
- }
- if (pipmi->smipmi_base_flags & SMIPMI_FLAG_ODDOFFSET)
- ia->iaa_if_iobase++;
-
- platform = pmf_get_platform("system-product");
- if (platform != NULL &&
- strcmp(platform, "ProLiant MicroServer") == 0 &&
- pipmi->smipmi_base_address != 0) {
- ia->iaa_if_iospacing = 1;
- ia->iaa_if_iobase = pipmi->smipmi_base_address & ~0x7;
- ia->iaa_if_iotype = 'i';
- return;
- }
-
- if (pipmi->smipmi_base_flags == 0x7f) {
- /* IBM 325 eServer workaround */
- ia->iaa_if_iospacing = 1;
- ia->iaa_if_iobase = pipmi->smipmi_base_address;
- ia->iaa_if_iotype = 'i';
- return;
- }
-}
-
-/*
- * bt_buildmsg builds an IPMI message from a nfLun, cmd, and data
- * This is used by BT protocol
- *
- * Returns a buffer to an allocated message, txlen contains length
- * of allocated message
- */
-void *
-bt_buildmsg(struct ipmi_softc *sc, int nfLun, int cmd, int len,
- const void *data, int *txlen)
-{
- uint8_t *buf;
-
- /* Block transfer needs 4 extra bytes: length/netfn/seq/cmd + data */
- *txlen = len + 4;
- buf = ipmi_buf_acquire(sc, *txlen);
- if (buf == NULL)
- return NULL;
-
- buf[IPMI_BTMSG_LEN] = len + 3;
- buf[IPMI_BTMSG_NFLN] = nfLun;
- buf[IPMI_BTMSG_SEQ] = sc->sc_btseq++;
- buf[IPMI_BTMSG_CMD] = cmd;
- if (len && data)
- memcpy(buf + IPMI_BTMSG_DATASND, data, len);
-
- return buf;
-}
-
-/*
- * cmn_buildmsg builds an IPMI message from a nfLun, cmd, and data
- * This is used by both SMIC and KCS protocols
- *
- * Returns a buffer to an allocated message, txlen contains length
- * of allocated message
- */
-void *
-cmn_buildmsg(struct ipmi_softc *sc, int nfLun, int cmd, int len,
- const void *data, int *txlen)
-{
- uint8_t *buf;
-
- /* Common needs two extra bytes: nfLun/cmd + data */
- *txlen = len + 2;
- buf = ipmi_buf_acquire(sc, *txlen);
- if (buf == NULL)
- return NULL;
-
- buf[IPMI_MSG_NFLN] = nfLun;
- buf[IPMI_MSG_CMD] = cmd;
- if (len && data)
- memcpy(buf + IPMI_MSG_DATASND, data, len);
-
- return buf;
-}
-
-/*
- * ipmi_sendcmd: caller must hold sc_cmd_mtx.
- *
- * Send an IPMI command
- */
-int
-ipmi_sendcmd(struct ipmi_softc *sc, int rssa, int rslun, int netfn, int cmd,
- int txlen, const void *data)
-{
- uint8_t *buf;
- int rc = -1;
-
- dbg_printf(50, "%s: rssa=%#.2x nfln=%#.2x cmd=%#.2x len=%#.2x\n",
- __func__, rssa, NETFN_LUN(netfn, rslun), cmd, txlen);
- dbg_dump(10, __func__, txlen, data);
- if (rssa != BMC_SA) {
-#if 0
- buf = sc->sc_if->buildmsg(sc, NETFN_LUN(APP_NETFN, BMC_LUN),
- APP_SEND_MESSAGE, 7 + txlen, NULL, &txlen);
- pI2C->bus = (sc->if_ver == 0x09) ?
- PUBLIC_BUS :
- IPMB_CHANNEL_NUMBER;
-
- imbreq->rsSa = rssa;
- imbreq->nfLn = NETFN_LUN(netfn, rslun);
- imbreq->cSum1 = -(imbreq->rsSa + imbreq->nfLn);
- imbreq->rqSa = BMC_SA;
- imbreq->seqLn = NETFN_LUN(sc->imb_seq++, SMS_LUN);
- imbreq->cmd = cmd;
- if (txlen)
- memcpy(imbreq->data, data, txlen);
- /* Set message checksum */
- imbreq->data[txlen] = cksum8(&imbreq->rqSa, txlen + 3);
-#endif
- goto done;
- } else
- buf = sc->sc_if->buildmsg(sc, NETFN_LUN(netfn, rslun), cmd,
- txlen, data, &txlen);
-
- if (buf == NULL) {
- aprint_error_dev(sc->sc_dev, "sendcmd buffer busy\n");
- goto done;
- }
- rc = sc->sc_if->sendmsg(sc, txlen, buf);
- ipmi_buf_release(sc, buf);
-
- ipmi_delay(sc, 50); /* give bmc chance to digest command */
-
-done:
- return rc;
-}
-
-void
-ipmi_buf_release(struct ipmi_softc *sc, char *buf)
-{
- KASSERT(sc->sc_buf_rsvd);
- KASSERT(sc->sc_buf == buf);
- sc->sc_buf_rsvd = false;
-}
-
-char *
-ipmi_buf_acquire(struct ipmi_softc *sc, size_t len)
-{
- KASSERT(len <= sizeof(sc->sc_buf));
-
- if (sc->sc_buf_rsvd || len > sizeof(sc->sc_buf))
- return NULL;
- sc->sc_buf_rsvd = true;
- return sc->sc_buf;
-}
-
-/*
- * ipmi_recvcmd: caller must hold sc_cmd_mtx.
- */
-int
-ipmi_recvcmd(struct ipmi_softc *sc, int maxlen, int *rxlen, void *data)
-{
- uint8_t *buf, rc = 0;
- int rawlen;
-
- /* Need three extra bytes: netfn/cmd/ccode + data */
- buf = ipmi_buf_acquire(sc, maxlen + 3);
- if (buf == NULL) {
- aprint_error_dev(sc->sc_dev, "%s: malloc fails\n", __func__);
- return -1;
- }
- /* Receive message from interface, copy out result data */
- if (sc->sc_if->recvmsg(sc, maxlen + 3, &rawlen, buf)) {
- ipmi_buf_release(sc, buf);
- return -1;
- }
-
- *rxlen = rawlen - IPMI_MSG_DATARCV;
- if (*rxlen > 0 && data)
- memcpy(data, buf + IPMI_MSG_DATARCV, *rxlen);
-
- if ((rc = buf[IPMI_MSG_CCODE]) != 0)
- dbg_printf(1, "%s: nfln=%#.2x cmd=%#.2x err=%#.2x\n", __func__,
- buf[IPMI_MSG_NFLN], buf[IPMI_MSG_CMD], buf[IPMI_MSG_CCODE]);
-
- dbg_printf(50, "%s: nfln=%#.2x cmd=%#.2x err=%#.2x len=%#.2x\n",
- __func__, buf[IPMI_MSG_NFLN], buf[IPMI_MSG_CMD],
- buf[IPMI_MSG_CCODE], *rxlen);
- dbg_dump(10, __func__, *rxlen, data);
-
- ipmi_buf_release(sc, buf);
-
- return rc;
-}
-
-/*
- * ipmi_delay: caller must hold sc_cmd_mtx.
- */
-void
-ipmi_delay(struct ipmi_softc *sc, int ms)
-{
- if (cold) {
- delay(ms * 1000);
- return;
- }
- mutex_enter(&sc->sc_sleep_mtx);
- cv_timedwait(&sc->sc_cmd_sleep, &sc->sc_sleep_mtx, mstohz(ms));
- mutex_exit(&sc->sc_sleep_mtx);
-}
-
-/* Read a partial SDR entry */
-int
-get_sdr_partial(struct ipmi_softc *sc, uint16_t recordId, uint16_t reserveId,
- uint8_t offset, uint8_t length, void *buffer, uint16_t *nxtRecordId)
-{
- uint8_t cmd[256 + 8];
- int len;
-
- ((uint16_t *) cmd)[0] = reserveId;
- ((uint16_t *) cmd)[1] = recordId;
- cmd[4] = offset;
- cmd[5] = length;
- mutex_enter(&sc->sc_cmd_mtx);
- if (ipmi_sendcmd(sc, BMC_SA, 0, STORAGE_NETFN, STORAGE_GET_SDR, 6,
- cmd)) {
- mutex_exit(&sc->sc_cmd_mtx);
- aprint_error_dev(sc->sc_dev, "%s: sendcmd fails\n", __func__);
- return -1;
- }
- if (ipmi_recvcmd(sc, 8 + length, &len, cmd)) {
- mutex_exit(&sc->sc_cmd_mtx);
- aprint_error_dev(sc->sc_dev, "%s: recvcmd fails\n", __func__);
- return -1;
- }
- mutex_exit(&sc->sc_cmd_mtx);
- if (nxtRecordId)
- *nxtRecordId = *(uint16_t *) cmd;
- memcpy(buffer, cmd + 2, len - 2);
-
- return 0;
-}
-
-int maxsdrlen = 0x10;
-
-/* Read an entire SDR; pass to add sensor */
-int
-get_sdr(struct ipmi_softc *sc, uint16_t recid, uint16_t *nxtrec)
-{
- uint16_t resid = 0;
- int len, sdrlen, offset;
- uint8_t *psdr;
- struct sdrhdr shdr;
-
- mutex_enter(&sc->sc_cmd_mtx);
- /* Reserve SDR */
- if (ipmi_sendcmd(sc, BMC_SA, 0, STORAGE_NETFN, STORAGE_RESERVE_SDR,
- 0, NULL)) {
- mutex_exit(&sc->sc_cmd_mtx);
- aprint_error_dev(sc->sc_dev, "reserve send fails\n");
- return -1;
- }
- if (ipmi_recvcmd(sc, sizeof(resid), &len, &resid)) {
- mutex_exit(&sc->sc_cmd_mtx);
- aprint_error_dev(sc->sc_dev, "reserve recv fails\n");
- return -1;
- }
- mutex_exit(&sc->sc_cmd_mtx);
- /* Get SDR Header */
- if (get_sdr_partial(sc, recid, resid, 0, sizeof shdr, &shdr, nxtrec)) {
- aprint_error_dev(sc->sc_dev, "get header fails\n");
- return -1;
- }
- /* Allocate space for entire SDR Length of SDR in header does not
- * include header length */
- sdrlen = sizeof(shdr) + shdr.record_length;
- psdr = malloc(sdrlen, M_DEVBUF, M_WAITOK);
- if (psdr == NULL)
- return -1;
-
- memcpy(psdr, &shdr, sizeof(shdr));
-
- /* Read SDR Data maxsdrlen bytes at a time */
- for (offset = sizeof(shdr); offset < sdrlen; offset += maxsdrlen) {
- len = sdrlen - offset;
- if (len > maxsdrlen)
- len = maxsdrlen;
-
- if (get_sdr_partial(sc, recid, resid, offset, len,
- psdr + offset, NULL)) {
- aprint_error_dev(sc->sc_dev,
- "get chunk : %d,%d fails\n", offset, len);
- free(psdr, M_DEVBUF);
- return -1;
- }
- }
-
- /* Add SDR to sensor list, if not wanted, free buffer */
- if (add_sdr_sensor(sc, psdr) == 0)
- free(psdr, M_DEVBUF);
-
- return 0;
-}
-
-int
-getbits(uint8_t *bytes, int bitpos, int bitlen)
-{
- int v;
- int mask;
-
- bitpos += bitlen - 1;
- for (v = 0; bitlen--;) {
- v <<= 1;
- mask = 1L << (bitpos & 7);
- if (bytes[bitpos >> 3] & mask)
- v |= 1;
- bitpos--;
- }
-
- return v;
-}
-
-/* Decode IPMI sensor name */
-void
-ipmi_sensor_name(char *name, int len, uint8_t typelen, uint8_t *bits)
-{
- int i, slen;
- char bcdplus[] = "0123456789 -.:,_";
-
- slen = typelen & 0x1F;
- switch (typelen >> 6) {
- case IPMI_NAME_UNICODE:
- //unicode
- break;
-
- case IPMI_NAME_BCDPLUS:
- /* Characters are encoded in 4-bit BCDPLUS */
- if (len < slen * 2 + 1)
- slen = (len >> 1) - 1;
- for (i = 0; i < slen; i++) {
- *(name++) = bcdplus[bits[i] >> 4];
- *(name++) = bcdplus[bits[i] & 0xF];
- }
- break;
-
- case IPMI_NAME_ASCII6BIT:
- /* Characters are encoded in 6-bit ASCII
- * 0x00 - 0x3F maps to 0x20 - 0x5F */
- /* XXX: need to calculate max len: slen = 3/4 * len */
- if (len < slen + 1)
- slen = len - 1;
- for (i = 0; i < slen * 8; i += 6)
- *(name++) = getbits(bits, i, 6) + ' ';
- break;
-
- case IPMI_NAME_ASCII8BIT:
- /* Characters are 8-bit ascii */
- if (len < slen + 1)
- slen = len - 1;
- while (slen--)
- *(name++) = *(bits++);
- break;
- }
- *name = 0;
-}
-
-/* Sign extend a n-bit value */
-long
-signextend(unsigned long val, int bits)
-{
- long msk = (1L << (bits-1))-1;
-
- return -(val & ~msk) | val;
-}
-
-
-/* fixpoint arithmetic */
-#define FIX2INT(x) ((int64_t)((x) >> 32))
-#define INT2FIX(x) ((int64_t)((uint64_t)(x) << 32))
-
-#define FIX2 0x0000000200000000ll /* 2.0 */
-#define FIX3 0x0000000300000000ll /* 3.0 */
-#define FIXE 0x00000002b7e15163ll /* 2.71828182845904523536 */
-#define FIX10 0x0000000a00000000ll /* 10.0 */
-#define FIXMONE 0xffffffff00000000ll /* -1.0 */
-#define FIXHALF 0x0000000080000000ll /* 0.5 */
-#define FIXTHIRD 0x0000000055555555ll /* 0.33333333333333333333 */
-
-#define FIX1LOG2 0x0000000171547653ll /* 1.0/log(2) */
-#define FIX1LOGE 0x0000000100000000ll /* 1.0/log(2.71828182845904523536) */
-#define FIX1LOG10 0x000000006F2DEC55ll /* 1.0/log(10) */
-
-#define FIX1E 0x000000005E2D58D9ll /* 1.0/2.71828182845904523536 */
-
-static int64_t fixlog_a[] = {
- 0x0000000100000000ll /* 1.0/1.0 */,
- 0xffffffff80000000ll /* -1.0/2.0 */,
- 0x0000000055555555ll /* 1.0/3.0 */,
- 0xffffffffc0000000ll /* -1.0/4.0 */,
- 0x0000000033333333ll /* 1.0/5.0 */,
- 0x000000002aaaaaabll /* -1.0/6.0 */,
- 0x0000000024924925ll /* 1.0/7.0 */,
- 0x0000000020000000ll /* -1.0/8.0 */,
- 0x000000001c71c71cll /* 1.0/9.0 */
-};
-
-static int64_t fixexp_a[] = {
- 0x0000000100000000ll /* 1.0/1.0 */,
- 0x0000000100000000ll /* 1.0/1.0 */,
- 0x0000000080000000ll /* 1.0/2.0 */,
- 0x000000002aaaaaabll /* 1.0/6.0 */,
- 0x000000000aaaaaabll /* 1.0/24.0 */,
- 0x0000000002222222ll /* 1.0/120.0 */,
- 0x00000000005b05b0ll /* 1.0/720.0 */,
- 0x00000000000d00d0ll /* 1.0/5040.0 */,
- 0x000000000001a01all /* 1.0/40320.0 */
-};
-
-static int64_t
-fixmul(int64_t x, int64_t y)
-{
- int64_t z;
- int64_t a,b,c,d;
- int neg;
-
- neg = 0;
- if (x < 0) {
- x = -x;
- neg = !neg;
- }
- if (y < 0) {
- y = -y;
- neg = !neg;
- }
-
- a = FIX2INT(x);
- b = x - INT2FIX(a);
- c = FIX2INT(y);
- d = y - INT2FIX(c);
-
- z = INT2FIX(a*c) + a * d + b * c + (b/2 * d/2 >> 30);
-
- return neg ? -z : z;
-}
-
-static int64_t
-poly(int64_t x0, int64_t x, int64_t a[], int n)
-{
- int64_t z;
- int i;
-
- z = fixmul(x0, a[0]);
- for (i=1; i<n; ++i) {
- x0 = fixmul(x0, x);
- z = fixmul(x0, a[i]) + z;
- }
- return z;
-}
-
-static int64_t
-logx(int64_t x, int64_t y)
-{
- int64_t z;
-
- if (x <= INT2FIX(0)) {
- z = INT2FIX(-99999);
- goto done;
- }
-
- z = INT2FIX(0);
- while (x >= FIXE) {
- x = fixmul(x, FIX1E);
- z += INT2FIX(1);
- }
- while (x < INT2FIX(1)) {
- x = fixmul(x, FIXE);
- z -= INT2FIX(1);
- }
-
- x -= INT2FIX(1);
- z += poly(x, x, fixlog_a, sizeof(fixlog_a)/sizeof(fixlog_a[0]));
- z = fixmul(z, y);
-
-done:
- return z;
-}
-
-static int64_t
-powx(int64_t x, int64_t y)
-{
- int64_t k;
-
- if (x == INT2FIX(0))
- goto done;
-
- x = logx(x,y);
-
- if (x < INT2FIX(0)) {
- x = INT2FIX(0) - x;
- k = -FIX2INT(x);
- x = INT2FIX(-k) - x;
- } else {
- k = FIX2INT(x);
- x = x - INT2FIX(k);
- }
-
- x = poly(INT2FIX(1), x, fixexp_a, sizeof(fixexp_a)/sizeof(fixexp_a[0]));
-
- while (k < 0) {
- x = fixmul(x, FIX1E);
- ++k;
- }
- while (k > 0) {
- x = fixmul(x, FIXE);
- --k;
- }
-
-done:
- return x;
-}
-
-/* Convert IPMI reading from sensor factors */
-long
-ipmi_convert(uint8_t v, struct sdrtype1 *s1, long adj)
-{
- int64_t M, B;
- char K1, K2;
- int64_t val, v1, v2, vs;
- int sign = (s1->units1 >> 6) & 0x3;
-
- vs = (sign == 0x1 || sign == 0x2) ? (int8_t)v : v;
- if ((vs < 0) && (sign == 0x1))
- vs++;
-
- /* Calculate linear reading variables */
- M = signextend((((short)(s1->m_tolerance & 0xC0)) << 2) + s1->m, 10);
- B = signextend((((short)(s1->b_accuracy & 0xC0)) << 2) + s1->b, 10);
- K1 = signextend(s1->rbexp & 0xF, 4);
- K2 = signextend(s1->rbexp >> 4, 4);
-
- /* Calculate sensor reading:
- * y = L((M * v + (B * 10^K1)) * 10^(K2+adj)
- *
- * This commutes out to:
- * y = L(M*v * 10^(K2+adj) + B * 10^(K1+K2+adj)); */
- v1 = powx(FIX10, INT2FIX(K2 + adj));
- v2 = powx(FIX10, INT2FIX(K1 + K2 + adj));
- val = M * vs * v1 + B * v2;
-
- /* Linearization function: y = f(x) 0 : y = x 1 : y = ln(x) 2 : y =
- * log10(x) 3 : y = log2(x) 4 : y = e^x 5 : y = 10^x 6 : y = 2^x 7 : y
- * = 1/x 8 : y = x^2 9 : y = x^3 10 : y = square root(x) 11 : y = cube
- * root(x) */
- switch (s1->linear & 0x7f) {
- case 0: break;
- case 1: val = logx(val,FIX1LOGE); break;
- case 2: val = logx(val,FIX1LOG10); break;
- case 3: val = logx(val,FIX1LOG2); break;
- case 4: val = powx(FIXE,val); break;
- case 5: val = powx(FIX10,val); break;
- case 6: val = powx(FIX2,val); break;
- case 7: val = powx(val,FIXMONE); break;
- case 8: val = powx(val,FIX2); break;
- case 9: val = powx(val,FIX3); break;
- case 10: val = powx(val,FIXHALF); break;
- case 11: val = powx(val,FIXTHIRD); break;
- }
-
- return FIX2INT(val);
-}
-
-int32_t
-ipmi_convert_sensor(uint8_t *reading, struct ipmi_sensor *psensor)
-{
- struct sdrtype1 *s1 = (struct sdrtype1 *)psensor->i_sdr;
- int32_t val;
-
- switch (psensor->i_envtype) {
- case ENVSYS_STEMP:
- val = ipmi_convert(reading[0], s1, 6) + 273150000;
- break;
-
- case ENVSYS_SVOLTS_DC:
- val = ipmi_convert(reading[0], s1, 6);
- break;
-
- case ENVSYS_SFANRPM:
- val = ipmi_convert(reading[0], s1, 0);
- if (((s1->units1>>3)&0x7) == 0x3)
- val *= 60; /* RPS -> RPM */
- break;
- default:
- val = 0;
- break;
- }
- return val;
-}
-
-void
-ipmi_set_limits(struct sysmon_envsys *sme, envsys_data_t *edata,
- sysmon_envsys_lim_t *limits, uint32_t *props)
-{
- struct ipmi_sensor *ipmi_s;
-
- /* Find the ipmi_sensor corresponding to this edata */
- SLIST_FOREACH(ipmi_s, &ipmi_sensor_list, i_list) {
- if (ipmi_s->i_envnum == edata->sensor) {
- if (limits == NULL) {
- limits = &ipmi_s->i_deflims;
- props = &ipmi_s->i_defprops;
- }
- *props |= PROP_DRIVER_LIMITS;
- ipmi_s->i_limits = *limits;
- ipmi_s->i_props = *props;
- return;
- }
- }
- return;
-}
-
-void
-ipmi_get_limits(struct sysmon_envsys *sme, envsys_data_t *edata,
- sysmon_envsys_lim_t *limits, uint32_t *props)
-{
- struct ipmi_sensor *ipmi_s;
- struct ipmi_softc *sc = sme->sme_cookie;
-
- /* Find the ipmi_sensor corresponding to this edata */
- SLIST_FOREACH(ipmi_s, &ipmi_sensor_list, i_list) {
- if (ipmi_s->i_envnum == edata->sensor) {
- ipmi_get_sensor_limits(sc, ipmi_s, limits, props);
- ipmi_s->i_limits = *limits;
- ipmi_s->i_props = *props;
- if (ipmi_s->i_defprops == 0) {
- ipmi_s->i_defprops = *props;
- ipmi_s->i_deflims = *limits;
- }
- return;
- }
- }
- return;
-}
-
-void
-ipmi_get_sensor_limits(struct ipmi_softc *sc, struct ipmi_sensor *psensor,
- sysmon_envsys_lim_t *limits, uint32_t *props)
-{
- struct sdrtype1 *s1 = (struct sdrtype1 *)psensor->i_sdr;
- bool failure;
- int rxlen;
- uint8_t data[32];
- uint32_t prop_critmax, prop_warnmax, prop_critmin, prop_warnmin;
- int32_t *pcritmax, *pwarnmax, *pcritmin, *pwarnmin;
-
- *props &= ~(PROP_CRITMIN | PROP_CRITMAX | PROP_WARNMIN | PROP_WARNMAX);
- data[0] = psensor->i_num;
- mutex_enter(&sc->sc_cmd_mtx);
- failure =
- ipmi_sendcmd(sc, s1->owner_id, s1->owner_lun,
- SE_NETFN, SE_GET_SENSOR_THRESHOLD, 1, data) ||
- ipmi_recvcmd(sc, sizeof(data), &rxlen, data);
- mutex_exit(&sc->sc_cmd_mtx);
- if (failure)
- return;
-
- dbg_printf(25, "%s: %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x %#.2x\n",
- __func__, data[0], data[1], data[2], data[3], data[4], data[5],
- data[6]);
-
- switch (s1->linear & 0x7f) {
- case 7: /* 1/x sensor, exchange upper and lower limits */
- prop_critmax = PROP_CRITMIN;
- prop_warnmax = PROP_WARNMIN;
- prop_critmin = PROP_CRITMAX;
- prop_warnmin = PROP_WARNMAX;
- pcritmax = &limits->sel_critmin;
- pwarnmax = &limits->sel_warnmin;
- pcritmin = &limits->sel_critmax;
- pwarnmin = &limits->sel_warnmax;
- break;
- default:
- prop_critmax = PROP_CRITMAX;
- prop_warnmax = PROP_WARNMAX;
- prop_critmin = PROP_CRITMIN;
- prop_warnmin = PROP_WARNMIN;
- pcritmax = &limits->sel_critmax;
- pwarnmax = &limits->sel_warnmax;
- pcritmin = &limits->sel_critmin;
- pwarnmin = &limits->sel_warnmin;
- break;
- }
-
- if (data[0] & 0x20 && data[6] != 0xff) {
- *pcritmax = ipmi_convert_sensor(&data[6], psensor);
- *props |= prop_critmax;
- }
- if (data[0] & 0x10 && data[5] != 0xff) {
- *pcritmax = ipmi_convert_sensor(&data[5], psensor);
- *props |= prop_critmax;
- }
- if (data[0] & 0x08 && data[4] != 0xff) {
- *pwarnmax = ipmi_convert_sensor(&data[4], psensor);
- *props |= prop_warnmax;
- }
- if (data[0] & 0x04 && data[3] != 0x00) {
- *pcritmin = ipmi_convert_sensor(&data[3], psensor);
- *props |= prop_critmin;
- }
- if (data[0] & 0x02 && data[2] != 0x00) {
- *pcritmin = ipmi_convert_sensor(&data[2], psensor);
- *props |= prop_critmin;
- }
- if (data[0] & 0x01 && data[1] != 0x00) {
- *pwarnmin = ipmi_convert_sensor(&data[1], psensor);
- *props |= prop_warnmin;
- }
- return;
-}
-
-int
-ipmi_sensor_status(struct ipmi_softc *sc, struct ipmi_sensor *psensor,
- envsys_data_t *edata, uint8_t *reading)
-{
- int etype;
-
- /* Get reading of sensor */
- edata->value_cur = ipmi_convert_sensor(reading, psensor);
-
- /* Return Sensor Status */
- etype = (psensor->i_etype << 8) + psensor->i_stype;
- switch (etype) {
- case IPMI_SENSOR_TYPE_TEMP:
- case IPMI_SENSOR_TYPE_VOLT:
- case IPMI_SENSOR_TYPE_FAN:
- if (psensor->i_props & PROP_CRITMAX &&
- edata->value_cur > psensor->i_limits.sel_critmax)
- return ENVSYS_SCRITOVER;
-
- if (psensor->i_props & PROP_WARNMAX &&
- edata->value_cur > psensor->i_limits.sel_warnmax)
- return ENVSYS_SWARNOVER;
-
- if (psensor->i_props & PROP_WARNMIN &&
- edata->value_cur < psensor->i_limits.sel_warnmin)
- return ENVSYS_SWARNUNDER;
-
- if (psensor->i_props & PROP_CRITMIN &&
- edata->value_cur < psensor->i_limits.sel_critmin)
- return ENVSYS_SCRITUNDER;
-
- break;
-
- case IPMI_SENSOR_TYPE_INTRUSION:
- edata->value_cur = (reading[2] & 1) ? 0 : 1;
- if (reading[2] & 0x1)
- return ENVSYS_SCRITICAL;
- break;
-
- case IPMI_SENSOR_TYPE_PWRSUPPLY:
- /* Reading: 1 = present+powered, 0 = otherwise */
- edata->value_cur = (reading[2] & 1) ? 0 : 1;
- if (reading[2] & 0x10) {
- /* XXX: Need envsys type for Power Supply types
- * ok: power supply installed && powered
- * warn: power supply installed && !powered
- * crit: power supply !installed
- */
- return ENVSYS_SCRITICAL;
- }
- if (reading[2] & 0x08) {
- /* Power supply AC lost */
- return ENVSYS_SWARNOVER;
- }
- break;
- }
-
- return ENVSYS_SVALID;
-}
-
-int
-read_sensor(struct ipmi_softc *sc, struct ipmi_sensor *psensor)
-{
- struct sdrtype1 *s1 = (struct sdrtype1 *) psensor->i_sdr;
- uint8_t data[8];
- int rxlen;
- envsys_data_t *edata = &sc->sc_sensor[psensor->i_envnum];
-
- memset(data, 0, sizeof(data));
- data[0] = psensor->i_num;
-
- mutex_enter(&sc->sc_cmd_mtx);
- if (ipmi_sendcmd(sc, s1->owner_id, s1->owner_lun, SE_NETFN,
- SE_GET_SENSOR_READING, 1, data))
- goto err;
-
- if (ipmi_recvcmd(sc, sizeof(data), &rxlen, data))
- goto err;
- mutex_exit(&sc->sc_cmd_mtx);
-
- dbg_printf(10, "m=%u, m_tolerance=%u, b=%u, b_accuracy=%u, "
- "rbexp=%u, linear=%d\n", s1->m, s1->m_tolerance, s1->b,
- s1->b_accuracy, s1->rbexp, s1->linear);
- dbg_printf(10, "values=%#.2x %#.2x %#.2x %#.2x %s\n",
- data[0],data[1],data[2],data[3], edata->desc);
- if (IPMI_INVALID_SENSOR_P(data[1])) {
- /* Check if sensor is valid */
- edata->state = ENVSYS_SINVALID;
- } else {
- edata->state = ipmi_sensor_status(sc, psensor, edata, data);
- }
- return 0;
-err:
- mutex_exit(&sc->sc_cmd_mtx);
- return -1;
-}
-
-int
-ipmi_sensor_type(int type, int ext_type, int entity)
-{
- switch (ext_type << 8L | type) {
- case IPMI_SENSOR_TYPE_TEMP:
- return ENVSYS_STEMP;
-
- case IPMI_SENSOR_TYPE_VOLT:
- return ENVSYS_SVOLTS_DC;
-
- case IPMI_SENSOR_TYPE_FAN:
- return ENVSYS_SFANRPM;
-
- case IPMI_SENSOR_TYPE_PWRSUPPLY:
- if (entity == IPMI_ENTITY_PWRSUPPLY)
- return ENVSYS_INDICATOR;
- break;
-
- case IPMI_SENSOR_TYPE_INTRUSION:
- return ENVSYS_INDICATOR;
- }
-
- return -1;
-}
-
-/* Add Sensor to BSD Sysctl interface */
-int
-add_sdr_sensor(struct ipmi_softc *sc, uint8_t *psdr)
-{
- int rc;
- struct sdrtype1 *s1 = (struct sdrtype1 *)psdr;
- struct sdrtype2 *s2 = (struct sdrtype2 *)psdr;
- char name[64];
-
- switch (s1->sdrhdr.record_type) {
- case IPMI_SDR_TYPEFULL:
- ipmi_sensor_name(name, sizeof(name), s1->typelen, s1->name);
- rc = add_child_sensors(sc, psdr, 1, s1->sensor_num,
- s1->sensor_type, s1->event_code, 0, s1->entity_id, name);
- break;
-
- case IPMI_SDR_TYPECOMPACT:
- ipmi_sensor_name(name, sizeof(name), s2->typelen, s2->name);
- rc = add_child_sensors(sc, psdr, s2->share1 & 0xF,
- s2->sensor_num, s2->sensor_type, s2->event_code,
- s2->share2 & 0x7F, s2->entity_id, name);
- break;
-
- default:
- return 0;
- }
-
- return rc;
-}
-
-static int
-ipmi_is_dupname(char *name)
-{
- struct ipmi_sensor *ipmi_s;
-
- SLIST_FOREACH(ipmi_s, &ipmi_sensor_list, i_list) {
- if (strcmp(ipmi_s->i_envdesc, name) == 0) {
- return 1;
- }
- }
- return 0;
-}
-
-int
-add_child_sensors(struct ipmi_softc *sc, uint8_t *psdr, int count,
- int sensor_num, int sensor_type, int ext_type, int sensor_base,
- int entity, const char *name)
-{
- int typ, idx, dupcnt, c;
- char *e;
- struct ipmi_sensor *psensor;
- struct sdrtype1 *s1 = (struct sdrtype1 *)psdr;
-
- typ = ipmi_sensor_type(sensor_type, ext_type, entity);
- if (typ == -1) {
- dbg_printf(5, "Unknown sensor type:%#.2x et:%#.2x sn:%#.2x "
- "name:%s\n", sensor_type, ext_type, sensor_num, name);
- return 0;
- }
- dupcnt = 0;
- sc->sc_nsensors += count;
- for (idx = 0; idx < count; idx++) {
- psensor = malloc(sizeof(struct ipmi_sensor), M_DEVBUF,
- M_WAITOK);
- if (psensor == NULL)
- break;
-
- memset(psensor, 0, sizeof(struct ipmi_sensor));
-
- /* Initialize BSD Sensor info */
- psensor->i_sdr = psdr;
- psensor->i_num = sensor_num + idx;
- psensor->i_stype = sensor_type;
- psensor->i_etype = ext_type;
- psensor->i_envtype = typ;
- if (count > 1)
- snprintf(psensor->i_envdesc,
- sizeof(psensor->i_envdesc),
- "%s - %d", name, sensor_base + idx);
- else
- strlcpy(psensor->i_envdesc, name,
- sizeof(psensor->i_envdesc));
-
- /*
- * Check for duplicates. If there are duplicates,
- * make sure there is space in the name (if not,
- * truncate to make space) for a count (1-99) to
- * add to make the name unique. If we run the
- * counter out, just accept the duplicate (@name99)
- * for now.
- */
- if (ipmi_is_dupname(psensor->i_envdesc)) {
- if (strlen(psensor->i_envdesc) >=
- sizeof(psensor->i_envdesc) - 3) {
- e = psensor->i_envdesc +
- sizeof(psensor->i_envdesc) - 3;
- } else {
- e = psensor->i_envdesc +
- strlen(psensor->i_envdesc);
- }
- c = psensor->i_envdesc +
- sizeof(psensor->i_envdesc) - e;
- do {
- dupcnt++;
- snprintf(e, c, "%d", dupcnt);
- } while (dupcnt < 100 &&
- ipmi_is_dupname(psensor->i_envdesc));
- }
-
- dbg_printf(5, "%s: %#.4x %#.2x:%d ent:%#.2x:%#.2x %s\n",
- __func__,
- s1->sdrhdr.record_id, s1->sensor_type,
- typ, s1->entity_id, s1->entity_instance,
- psensor->i_envdesc);
- SLIST_INSERT_HEAD(&ipmi_sensor_list, psensor, i_list);
- }
-
- return 1;
-}
-
-/* Interrupt handler */
-int
-ipmi_intr(void *arg)
-{
- struct ipmi_softc *sc = (struct ipmi_softc *)arg;
- int v;
-
- v = bmc_read(sc, _KCS_STATUS_REGISTER);
- if (v & KCS_OBF)
- ++ipmi_nintr;
-
- return 0;
-}
-
-/* Handle IPMI Timer - reread sensor values */
-void
-ipmi_refresh_sensors(struct ipmi_softc *sc)
-{
-
- if (SLIST_EMPTY(&ipmi_sensor_list))
- return;
-
- sc->current_sensor = SLIST_NEXT(sc->current_sensor, i_list);
- if (sc->current_sensor == NULL)
- sc->current_sensor = SLIST_FIRST(&ipmi_sensor_list);
-
- if (read_sensor(sc, sc->current_sensor)) {
- dbg_printf(1, "%s: error reading\n", __func__);
- }
-}
-
-int
-ipmi_map_regs(struct ipmi_softc *sc, struct ipmi_attach_args *ia)
-{
- int error;
-
- sc->sc_if = ipmi_get_if(ia->iaa_if_type);
- if (sc->sc_if == NULL)
- return -1;
-
- if (ia->iaa_if_iotype == 'i')
- sc->sc_iot = ia->iaa_iot;
- else
- sc->sc_iot = ia->iaa_memt;
-
- sc->sc_if_rev = ia->iaa_if_rev;
- sc->sc_if_iospacing = ia->iaa_if_iospacing;
- if ((error = bus_space_map(sc->sc_iot, ia->iaa_if_iobase,
- sc->sc_if->nregs * sc->sc_if_iospacing, 0, &sc->sc_ioh)) != 0) {
- const char *xname = sc->sc_dev ? device_xname(sc->sc_dev) :
- "ipmi0";
- aprint_error("%s: %s:bus_space_map(..., %x, %x, 0, %p)"
- " type %c failed %d\n", xname, __func__, ia->iaa_if_iobase,
- sc->sc_if->nregs * sc->sc_if_iospacing, &sc->sc_ioh,
- ia->iaa_if_iotype, error);
- return -1;
- }
-#if 0
- if (iaa->if_if_irq != -1)
- sc->ih = isa_intr_establish(-1, iaa->if_if_irq,
- iaa->if_irqlvl, IPL_BIO, ipmi_intr, sc,
- device_xname(sc->sc_dev);
-#endif
- return 0;
-}
-
-void
-ipmi_unmap_regs(struct ipmi_softc *sc)
-{
- bus_space_unmap(sc->sc_iot, sc->sc_ioh,
- sc->sc_if->nregs * sc->sc_if_iospacing);
-}
-
-int
-ipmi_probe(struct ipmi_attach_args *ia)
-{
- struct dmd_ipmi *pipmi;
- struct smbtable tbl;
-
- tbl.cookie = 0;
-
- if (smbios_find_table(SMBIOS_TYPE_IPMIDEV, &tbl))
- ipmi_smbios_probe(tbl.tblhdr, ia);
- else {
- pipmi = scan_sig(0xC0000L, 0xFFFFFL, 16, 4, "IPMI");
- /* XXX hack to find Dell PowerEdge 8450 */
- if (pipmi == NULL) {
- /* no IPMI found */
- return 0;
- }
-
- /* we have an IPMI signature, fill in attach arg structure */
- ia->iaa_if_type = pipmi->dmd_if_type;
- ia->iaa_if_rev = pipmi->dmd_if_rev;
- }
-
- return 1;
-}
-
-int
-ipmi_match(device_t parent, cfdata_t cf, void *aux)
-{
- struct ipmi_softc sc;
- struct ipmi_attach_args *ia = aux;
- uint8_t cmd[32];
- int len;
- int rv = 0;
-
- memset(&sc, 0, sizeof(sc));
-
- /* Map registers */
- if (ipmi_map_regs(&sc, ia) != 0)
- return 0;
-
- sc.sc_if->probe(&sc);
-
- mutex_init(&sc.sc_cmd_mtx, MUTEX_DEFAULT, IPL_SOFTCLOCK);
- cv_init(&sc.sc_cmd_sleep, "ipmimtch");
- mutex_enter(&sc.sc_cmd_mtx);
- /* Identify BMC device early to detect lying bios */
- if (ipmi_sendcmd(&sc, BMC_SA, 0, APP_NETFN, APP_GET_DEVICE_ID,
- 0, NULL)) {
- mutex_exit(&sc.sc_cmd_mtx);
- dbg_printf(1, ": unable to send get device id "
- "command\n");
- goto unmap;
- }
- if (ipmi_recvcmd(&sc, sizeof(cmd), &len, cmd)) {
- mutex_exit(&sc.sc_cmd_mtx);
- dbg_printf(1, ": unable to retrieve device id\n");
- goto unmap;
- }
- mutex_exit(&sc.sc_cmd_mtx);
-
- dbg_dump(1, __func__, len, cmd);
- rv = 1; /* GETID worked, we got IPMI */
-unmap:
- cv_destroy(&sc.sc_cmd_sleep);
- mutex_destroy(&sc.sc_cmd_mtx);
- ipmi_unmap_regs(&sc);
-
- return rv;
-}
-
-static void
-ipmi_thread(void *cookie)
-{
- device_t self = cookie;
- struct ipmi_softc *sc = device_private(self);
- struct ipmi_attach_args *ia = &sc->sc_ia;
- uint16_t rec;
- struct ipmi_sensor *ipmi_s;
- int i;
-
- sc->sc_thread_running = true;
-
- /* setup ticker */
- sc->sc_max_retries = hz * 90; /* 90 seconds max */
-
- /* Map registers */
- ipmi_map_regs(sc, ia);
-
- /* Scan SDRs, add sensors to list */
- for (rec = 0; rec != 0xFFFF;)
- if (get_sdr(sc, rec, &rec))
- break;
-
- /* allocate and fill sensor arrays */
- sc->sc_sensor =
- malloc(sizeof(envsys_data_t) * sc->sc_nsensors,
- M_DEVBUF, M_WAITOK | M_ZERO);
- if (sc->sc_sensor == NULL) {
- aprint_error_dev(self, "can't allocate envsys_data_t\n");
- kthread_exit(0);
- }
-
- sc->sc_envsys = sysmon_envsys_create();
- sc->sc_envsys->sme_cookie = sc;
- sc->sc_envsys->sme_get_limits = ipmi_get_limits;
- sc->sc_envsys->sme_set_limits = ipmi_set_limits;
-
- i = 0;
- SLIST_FOREACH(ipmi_s, &ipmi_sensor_list, i_list) {
- ipmi_s->i_props = 0;
- ipmi_s->i_envnum = -1;
- sc->sc_sensor[i].units = ipmi_s->i_envtype;
- sc->sc_sensor[i].state = ENVSYS_SINVALID;
- sc->sc_sensor[i].flags |= ENVSYS_FHAS_ENTROPY;
- /*
- * Monitor threshold limits in the sensors.
- */
- switch (sc->sc_sensor[i].units) {
- case ENVSYS_STEMP:
- case ENVSYS_SVOLTS_DC:
- case ENVSYS_SFANRPM:
- sc->sc_sensor[i].flags |= ENVSYS_FMONLIMITS;
- break;
- default:
- sc->sc_sensor[i].flags |= ENVSYS_FMONCRITICAL;
- }
- (void)strlcpy(sc->sc_sensor[i].desc, ipmi_s->i_envdesc,
- sizeof(sc->sc_sensor[i].desc));
- ++i;
-
- if (sysmon_envsys_sensor_attach(sc->sc_envsys,
- &sc->sc_sensor[i-1]))
- continue;
-
- /* get reference number from envsys */
- ipmi_s->i_envnum = sc->sc_sensor[i-1].sensor;
- }
-
- sc->sc_envsys->sme_name = device_xname(sc->sc_dev);
- sc->sc_envsys->sme_flags = SME_DISABLE_REFRESH;
-
- if (sysmon_envsys_register(sc->sc_envsys)) {
- aprint_error_dev(self, "unable to register with sysmon\n");
- sysmon_envsys_destroy(sc->sc_envsys);
- }
-
- /* initialize sensor list for thread */
- if (!SLIST_EMPTY(&ipmi_sensor_list))
- sc->current_sensor = SLIST_FIRST(&ipmi_sensor_list);
-
- aprint_verbose_dev(self, "version %d.%d interface %s %sbase "
- "%#x/%#x spacing %d\n",
- ia->iaa_if_rev >> 4, ia->iaa_if_rev & 0xF, sc->sc_if->name,
- ia->iaa_if_iotype == 'i' ? "io" : "mem", ia->iaa_if_iobase,
- ia->iaa_if_iospacing * sc->sc_if->nregs, ia->iaa_if_iospacing);
- if (ia->iaa_if_irq != -1)
- aprint_verbose_dev(self, " irq %d\n", ia->iaa_if_irq);
-
- /* setup flag to exclude iic */
- ipmi_enabled = 1;
-
- /* Setup Watchdog timer */
- sc->sc_wdog.smw_name = device_xname(sc->sc_dev);
- sc->sc_wdog.smw_cookie = sc;
- sc->sc_wdog.smw_setmode = ipmi_watchdog_setmode;
- sc->sc_wdog.smw_tickle = ipmi_watchdog_tickle;
- sysmon_wdog_register(&sc->sc_wdog);
-
- /* Set up a power handler so we can possibly sleep */
- if (!pmf_device_register(self, ipmi_suspend, NULL))
- aprint_error_dev(self, "couldn't establish a power handler\n");
-
- mutex_enter(&sc->sc_poll_mtx);
- while (sc->sc_thread_running) {
- ipmi_refresh_sensors(sc);
- cv_timedwait(&sc->sc_poll_cv, &sc->sc_poll_mtx,
- SENSOR_REFRESH_RATE);
- if (sc->sc_tickle_due) {
- ipmi_dotickle(sc);
- sc->sc_tickle_due = false;
- }
- }
- mutex_exit(&sc->sc_poll_mtx);
- self->dv_flags &= ~DVF_ATTACH_INPROGRESS;
- kthread_exit(0);
-}
-
-void
-ipmi_attach(device_t parent, device_t self, void *aux)
-{
- struct ipmi_softc *sc = device_private(self);
-
- sc->sc_ia = *(struct ipmi_attach_args *)aux;
- sc->sc_dev = self;
- aprint_naive("\n");
- aprint_normal("\n");
-
- /* lock around read_sensor so that no one messes with the bmc regs */
- mutex_init(&sc->sc_cmd_mtx, MUTEX_DEFAULT, IPL_SOFTCLOCK);
- mutex_init(&sc->sc_sleep_mtx, MUTEX_DEFAULT, IPL_SOFTCLOCK);
- cv_init(&sc->sc_cmd_sleep, "ipmicmd");
-
- mutex_init(&sc->sc_poll_mtx, MUTEX_DEFAULT, IPL_SOFTCLOCK);
- cv_init(&sc->sc_poll_cv, "ipmipoll");
-
- if (kthread_create(PRI_NONE, 0, NULL, ipmi_thread, self,
- &sc->sc_kthread, "%s", device_xname(self)) != 0) {
- aprint_error_dev(self, "unable to create thread, disabled\n");
- } else
- self->dv_flags |= DVF_ATTACH_INPROGRESS;
-}
-
-static int
-ipmi_detach(device_t self, int flags)
-{
- struct ipmi_sensor *i;
- int rc;
- struct ipmi_softc *sc = device_private(self);
-
- mutex_enter(&sc->sc_poll_mtx);
- sc->sc_thread_running = false;
- cv_signal(&sc->sc_poll_cv);
- mutex_exit(&sc->sc_poll_mtx);
-
- if ((rc = sysmon_wdog_unregister(&sc->sc_wdog)) != 0) {
- if (rc == ERESTART)
- rc = EINTR;
- return rc;
- }
-
- /* cancel any pending countdown */
- sc->sc_wdog.smw_mode &= ~WDOG_MODE_MASK;
- sc->sc_wdog.smw_mode |= WDOG_MODE_DISARMED;
- sc->sc_wdog.smw_period = WDOG_PERIOD_DEFAULT;
-
- if ((rc = ipmi_watchdog_setmode(&sc->sc_wdog)) != 0)
- return rc;
-
- ipmi_enabled = 0;
-
- if (sc->sc_envsys != NULL) {
- /* _unregister also destroys */
- sysmon_envsys_unregister(sc->sc_envsys);
- sc->sc_envsys = NULL;
- }
-
- while ((i = SLIST_FIRST(&ipmi_sensor_list)) != NULL) {
- SLIST_REMOVE_HEAD(&ipmi_sensor_list, i_list);
- free(i, M_DEVBUF);
- }
-
- if (sc->sc_sensor != NULL) {
- free(sc->sc_sensor, M_DEVBUF);
- sc->sc_sensor = NULL;
- }
-
- ipmi_unmap_regs(sc);
-
- cv_destroy(&sc->sc_poll_cv);
- mutex_destroy(&sc->sc_poll_mtx);
- cv_destroy(&sc->sc_cmd_sleep);
- mutex_destroy(&sc->sc_sleep_mtx);
- mutex_destroy(&sc->sc_cmd_mtx);
-
- return 0;
-}
-
-int
-ipmi_watchdog_setmode(struct sysmon_wdog *smwdog)
-{
- struct ipmi_softc *sc = smwdog->smw_cookie;
- struct ipmi_get_watchdog gwdog;
- struct ipmi_set_watchdog swdog;
- int rc, len;
-
- if (smwdog->smw_period < 10)
- return EINVAL;
- if (smwdog->smw_period == WDOG_PERIOD_DEFAULT)
- sc->sc_wdog.smw_period = 10;
- else
- sc->sc_wdog.smw_period = smwdog->smw_period;
-
- mutex_enter(&sc->sc_cmd_mtx);
- /* see if we can properly task to the watchdog */
- rc = ipmi_sendcmd(sc, BMC_SA, BMC_LUN, APP_NETFN,
- APP_GET_WATCHDOG_TIMER, 0, NULL);
- rc = ipmi_recvcmd(sc, sizeof(gwdog), &len, &gwdog);
- mutex_exit(&sc->sc_cmd_mtx);
- if (rc) {
- aprint_error_dev(sc->sc_dev,
- "APP_GET_WATCHDOG_TIMER returned %#x\n", rc);
- return EIO;
- }
-
- memset(&swdog, 0, sizeof(swdog));
- /* Period is 10ths/sec */
- swdog.wdog_timeout = htole16(sc->sc_wdog.smw_period * 10);
- if ((smwdog->smw_mode & WDOG_MODE_MASK) == WDOG_MODE_DISARMED)
- swdog.wdog_action = IPMI_WDOG_ACT_DISABLED;
- else
- swdog.wdog_action = IPMI_WDOG_ACT_RESET;
- swdog.wdog_use = IPMI_WDOG_USE_USE_OS;
-
- mutex_enter(&sc->sc_cmd_mtx);
- if ((rc = ipmi_sendcmd(sc, BMC_SA, BMC_LUN, APP_NETFN,
- APP_SET_WATCHDOG_TIMER, sizeof(swdog), &swdog)) == 0)
- rc = ipmi_recvcmd(sc, 0, &len, NULL);
- mutex_exit(&sc->sc_cmd_mtx);
- if (rc) {
- aprint_error_dev(sc->sc_dev,
- "APP_SET_WATCHDOG_TIMER returned %#x\n", rc);
- return EIO;
- }
-
- return 0;
-}
-
-int
-ipmi_watchdog_tickle(struct sysmon_wdog *smwdog)
-{
- struct ipmi_softc *sc = smwdog->smw_cookie;
-
- mutex_enter(&sc->sc_poll_mtx);
- sc->sc_tickle_due = true;
- cv_signal(&sc->sc_poll_cv);
- mutex_exit(&sc->sc_poll_mtx);
- return 0;
-}
-
-void
-ipmi_dotickle(struct ipmi_softc *sc)
-{
- int rc, len;
-
- mutex_enter(&sc->sc_cmd_mtx);
- /* tickle the watchdog */
- if ((rc = ipmi_sendcmd(sc, BMC_SA, BMC_LUN, APP_NETFN,
- APP_RESET_WATCHDOG, 0, NULL)) == 0)
- rc = ipmi_recvcmd(sc, 0, &len, NULL);
- mutex_exit(&sc->sc_cmd_mtx);
- if (rc != 0) {
- aprint_error_dev(sc->sc_dev, "watchdog tickle returned %#x\n",
- rc);
- }
-}
-
-bool
-ipmi_suspend(device_t dev, const pmf_qual_t *qual)
-{
- struct ipmi_softc *sc = device_private(dev);
-
- /* Don't allow suspend if watchdog is armed */
- if ((sc->sc_wdog.smw_mode & WDOG_MODE_MASK) != WDOG_MODE_DISARMED)
- return false;
- return true;
-}
Index: sys/arch/x86/conf/files.x86
===================================================================
RCS file: /cvsroot/src/sys/arch/x86/conf/files.x86,v
retrieving revision 1.105
diff -p -u -r1.105 files.x86
--- sys/arch/x86/conf/files.x86 20 Dec 2018 10:33:41 -0000 1.105
+++ sys/arch/x86/conf/files.x86 25 Dec 2018 10:30:19 -0000
@@ -25,7 +25,6 @@ defflag SVS
define cpubus { [apid = -1] }
define cpufeaturebus {}
define ioapicbus { [apid = -1] }
-define ipmibus {}
#IPMI support
ipmi0 at mainbus?
+ipmi_acpi* at acpi?
+ipmi0 at ipmi_acpi?
# ACPI will be used if present. If not it will fall back to MPBIOS
acpi0 at mainbus0
@@ -365,8 +367,8 @@ ppb* at pci? dev ? function ? # PCI-PCI
# XXX 'puc's aren't really bridges, but there's no better place for them here
puc* at pci? dev ? function ? # PCI "universal" comm. cards
-#amdpcib* at pci? dev ? function ? # AMD 8111 PCI-ISA w/ HPET
-#hpet* at amdpcib?
+amdpcib* at pci? dev ? function ? # AMD 8111 PCI-ISA w/ HPET
+hpet* at amdpcib?
