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      1 /* $NetBSD: ipmivar.h,v 1.6 2024/12/04 15:25:45 riastradh Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2005 Jordan Hargrave
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
     17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     19  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR
     20  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 
     29 #ifndef _IPMIVAR_H_
     30 #define _IPMIVAR_H_
     31 
     32 #include <sys/types.h>
     33 
     34 #include <sys/bus.h>
     35 #include <sys/condvar.h>
     36 #include <sys/ipmi.h>
     37 #include <sys/mutex.h>
     38 
     39 #include <dev/sysmon/sysmonvar.h>
     40 
     41 #define IPMI_IF_KCS		1
     42 #define IPMI_IF_SMIC		2
     43 #define IPMI_IF_BT		3
     44 #define IPMI_IF_SSIF		4
     45 
     46 #define IPMI_IF_KCS_NREGS	2
     47 #define IPMI_IF_SMIC_NREGS	3
     48 #define IPMI_IF_BT_NREGS	3
     49 #define IPMI_IF_SSIF_NREGS	2
     50 
     51 struct ipmi_thread;
     52 struct ipmi_softc;
     53 
     54 struct ipmi_attach_args {
     55 	bus_space_tag_t	iaa_iot;
     56 	bus_space_tag_t	iaa_memt;
     57 
     58 	int		iaa_if_type;
     59 	int		iaa_if_rev;
     60 	int		iaa_if_iotype;
     61 	bus_addr_t	iaa_if_iobase;
     62 	int		iaa_if_iospacing;
     63 	int		iaa_if_irq;
     64 	int		iaa_if_irqlvl;
     65 };
     66 
     67 struct ipmi_if {
     68 	const char	*name;
     69 	int		nregs;
     70 	void		*(*buildmsg)(struct ipmi_softc *, int, int, int,
     71 			    const void *, int *);
     72 	int		(*sendmsg)(struct ipmi_softc *, int, const uint8_t *);
     73 	int		(*recvmsg)(struct ipmi_softc *, int, int *, uint8_t *);
     74 	int		(*reset)(struct ipmi_softc *);
     75 	int		(*probe)(struct ipmi_softc *);
     76 };
     77 
     78 struct ipmi_softc {
     79 	device_t		sc_dev;
     80 
     81 	struct ipmi_if		*sc_if;		/* Interface layer */
     82 	int			sc_if_iospacing; /* Spacing of I/O ports */
     83 	int			sc_if_rev;	/* IPMI Revision */
     84 	struct ipmi_attach_args	sc_ia;
     85 
     86 	void			*sc_ih;		/* Interrupt/IO handles */
     87 	bus_space_tag_t		sc_iot;
     88 	bus_space_handle_t	sc_ioh;
     89 
     90 	int			sc_btseq;
     91 
     92 	struct lwp		*sc_kthread;
     93 
     94 	int			sc_max_retries;
     95 
     96 	kmutex_t		sc_poll_mtx;
     97 	kcondvar_t		sc_poll_cv;
     98 	kcondvar_t		sc_mode_cv;
     99 
    100 	kmutex_t		sc_cmd_mtx;
    101 
    102 	struct ipmi_bmc_args	*sc_iowait_args;
    103 
    104 	struct ipmi_sensor	*current_sensor;
    105 	bool			sc_thread_running;
    106 	bool			sc_thread_ready;
    107 	bool			sc_tickle_due;
    108 	struct sysmon_wdog	sc_wdog;
    109 	struct sysmon_envsys	*sc_envsys;
    110 	envsys_data_t		*sc_sensor;
    111 	int 		sc_nsensors; /* total number of sensors */
    112 
    113 	char		sc_buf[IPMI_MAX_RX + 3];
    114 	bool		sc_buf_rsvd;
    115 
    116 	/* request busy */
    117 	int		sc_mode;
    118 #define IPMI_MODE_IDLE		0
    119 #define IPMI_MODE_COMMAND	1
    120 #define IPMI_MODE_ENVSYS	2
    121 	bool		sc_sent;
    122 
    123 	/* dummy */
    124 	int		sc_address;
    125 	int		sc_lun;
    126 
    127 	/* saved from last SEND_COMMAND */
    128 	int		sc_msgid;
    129 	int		sc_netfn;
    130 	int		sc_cmd;
    131 };
    132 
    133 struct ipmi_device_id {
    134 	uint8_t		deviceid;
    135 	uint8_t		revision;
    136 	uint8_t		fwrev1;
    137 	uint8_t		fwrev2;
    138 	uint8_t		version;
    139 	uint8_t		additional;
    140 	uint8_t		manufacturer[3];
    141 	uint8_t		product[2];
    142 	uint8_t		vendor[4];
    143 } __packed;
    144 
    145 struct ipmi_thread {
    146 	struct ipmi_softc   *sc;
    147 	volatile int	    running;
    148 };
    149 
    150 #define IPMI_WDOG_USE_NOLOG		__BIT(7)
    151 #define IPMI_WDOG_USE_NOSTOP		__BIT(6)
    152 #define IPMI_WDOG_USE_RSVD1		__BITS(5, 3)
    153 #define IPMI_WDOG_USE_USE_MASK		__BITS(2, 0)
    154 #define IPMI_WDOG_USE_USE_RSVD		__SHIFTIN(0, IPMI_WDOG_USE_USE_MASK);
    155 #define IPMI_WDOG_USE_USE_FRB2		__SHIFTIN(1, IPMI_WDOG_USE_USE_MASK);
    156 #define IPMI_WDOG_USE_USE_POST		__SHIFTIN(2, IPMI_WDOG_USE_USE_MASK);
    157 #define IPMI_WDOG_USE_USE_OSLOAD	__SHIFTIN(3, IPMI_WDOG_USE_USE_MASK);
    158 #define IPMI_WDOG_USE_USE_OS		__SHIFTIN(4, IPMI_WDOG_USE_USE_MASK);
    159 #define IPMI_WDOG_USE_USE_OEM		__SHIFTIN(5, IPMI_WDOG_USE_USE_MASK);
    160 
    161 #define IPMI_WDOG_ACT_PRE_RSVD1		__BIT(7)
    162 #define IPMI_WDOG_ACT_PRE_MASK		__BITS(6, 4)
    163 #define IPMI_WDOG_ACT_PRE_DISABLED	__SHIFTIN(0, IPMI_WDOG_ACT_MASK)
    164 #define IPMI_WDOG_ACT_PRE_SMI		__SHIFTIN(1, IPMI_WDOG_ACT_MASK)
    165 #define IPMI_WDOG_ACT_PRE_NMI		__SHIFTIN(2, IPMI_WDOG_ACT_MASK)
    166 #define IPMI_WDOG_ACT_PRE_INTERRUPT	__SHIFTIN(3, IPMI_WDOG_ACT_MASK)
    167 #define IPMI_WDOG_ACT_PRE_RSVD0		__BIT(3)
    168 #define IPMI_WDOG_ACT_MASK		__BITS(2, 0)
    169 #define IPMI_WDOG_ACT_DISABLED		__SHIFTIN(0, IPMI_WDOG_ACT_MASK)
    170 #define IPMI_WDOG_ACT_RESET		__SHIFTIN(1, IPMI_WDOG_ACT_MASK)
    171 #define IPMI_WDOG_ACT_PWROFF		__SHIFTIN(2, IPMI_WDOG_ACT_MASK)
    172 #define IPMI_WDOG_ACT_PWRCYCLE		__SHIFTIN(3, IPMI_WDOG_ACT_MASK)
    173 
    174 #define IPMI_WDOG_FLAGS_RSVD1		__BITS(7, 6)
    175 #define IPMI_WDOG_FLAGS_OEM		__BIT(5)
    176 #define IPMI_WDOG_FLAGS_OS		__BIT(4)
    177 #define IPMI_WDOG_FLAGS_OSLOAD		__BIT(3)
    178 #define IPMI_WDOG_FLAGS_POST		__BIT(2)
    179 #define IPMI_WDOG_FLAGS_FRB2		__BIT(1)
    180 #define IPMI_WDOG_FLAGS_RSVD0		__BIT(0)
    181 
    182 struct ipmi_set_watchdog {
    183 	uint8_t		wdog_use;
    184 	uint8_t		wdog_action;
    185 	uint8_t		wdog_pretimeout;
    186 	uint8_t		wdog_flags;
    187 	uint16_t		wdog_timeout;
    188 } __packed;
    189 
    190 struct ipmi_get_watchdog {
    191 	uint8_t		wdog_use;
    192 	uint8_t		wdog_action;
    193 	uint8_t		wdog_pretimeout;
    194 	uint8_t		wdog_flags;
    195 	uint16_t		wdog_timeout;
    196 	uint16_t		wdog_countdown;
    197 } __packed;
    198 
    199 struct dmd_ipmi {
    200 	uint8_t	dmd_sig[4];		/* Signature 'IPMI' */
    201 	uint8_t	dmd_i2c_address;	/* Address of BMC */
    202 	uint8_t	dmd_nvram_address;	/* Address of NVRAM */
    203 	uint8_t	dmd_if_type;		/* IPMI Interface Type */
    204 	uint8_t	dmd_if_rev;		/* IPMI Interface Revision */
    205 } __packed;
    206 
    207 #define APP_NETFN			0x06
    208 #define APP_GET_DEVICE_ID		0x01
    209 #define APP_RESET_WATCHDOG		0x22
    210 #define APP_SET_WATCHDOG_TIMER		0x24
    211 #define APP_GET_WATCHDOG_TIMER		0x25
    212 
    213 #define TRANSPORT_NETFN			0xC
    214 #define BRIDGE_NETFN			0x2
    215 
    216 #define STORAGE_NETFN			0x0A
    217 #define STORAGE_GET_FRU_INV_AREA	0x10
    218 #define STORAGE_READ_FRU_DATA		0x11
    219 #define STORAGE_RESERVE_SDR		0x22
    220 #define STORAGE_GET_SDR			0x23
    221 #define STORAGE_ADD_SDR			0x24
    222 #define STORAGE_ADD_PARTIAL_SDR		0x25
    223 #define STORAGE_DELETE_SDR		0x26
    224 #define STORAGE_RESERVE_SEL		0x42
    225 #define STORAGE_GET_SEL			0x43
    226 #define STORAGE_ADD_SEL			0x44
    227 #define STORAGE_ADD_PARTIAL_SEL		0x45
    228 #define STORAGE_DELETE_SEL		0x46
    229 
    230 #define SE_NETFN			0x04
    231 #define SE_GET_SDR_INFO			0x20
    232 #define SE_GET_SDR			0x21
    233 #define SE_RESERVE_SDR			0x22
    234 #define SE_GET_SENSOR_FACTOR		0x23
    235 #define SE_SET_SENSOR_HYSTERESIS	0x24
    236 #define SE_GET_SENSOR_HYSTERESIS	0x25
    237 #define SE_SET_SENSOR_THRESHOLD		0x26
    238 #define SE_GET_SENSOR_THRESHOLD		0x27
    239 #define SE_SET_SENSOR_EVENT_ENABLE	0x28
    240 #define SE_GET_SENSOR_EVENT_ENABLE	0x29
    241 #define SE_REARM_SENSOR_EVENTS		0x2A
    242 #define SE_GET_SENSOR_EVENT_STATUS	0x2B
    243 #define SE_GET_SENSOR_READING		0x2D
    244 #define SE_SET_SENSOR_TYPE		0x2E
    245 #define SE_GET_SENSOR_TYPE		0x2F
    246 
    247 struct sdrhdr {
    248 	uint16_t	record_id;		/* SDR Record ID */
    249 	uint8_t	sdr_version;		/* SDR Version */
    250 	uint8_t	record_type;		/* SDR Record Type */
    251 	uint8_t	record_length;		/* SDR Record Length */
    252 } __packed;
    253 
    254 /* SDR: Record Type 1 */
    255 struct sdrtype1 {
    256 	struct sdrhdr	sdrhdr;
    257 
    258 	uint8_t	owner_id;
    259 	uint8_t	owner_lun;
    260 	uint8_t	sensor_num;
    261 
    262 	uint8_t	entity_id;
    263 	uint8_t	entity_instance;
    264 	uint8_t	sensor_init;
    265 	uint8_t	sensor_caps;
    266 	uint8_t	sensor_type;
    267 	uint8_t	event_code;
    268 	uint16_t	trigger_mask;
    269 	uint16_t	reading_mask;
    270 	uint16_t	settable_mask;
    271 	uint8_t	units1;
    272 	uint8_t	units2;
    273 	uint8_t	units3;
    274 	uint8_t	linear;
    275 	uint8_t	m;
    276 	uint8_t	m_tolerance;
    277 	uint8_t	b;
    278 	uint8_t	b_accuracy;
    279 	uint8_t	accuracyexp;
    280 	uint8_t	rbexp;
    281 	uint8_t	analogchars;
    282 	uint8_t	nominalreading;
    283 	uint8_t	normalmax;
    284 	uint8_t	normalmin;
    285 	uint8_t	sensormax;
    286 	uint8_t	sensormin;
    287 	uint8_t	uppernr;
    288 	uint8_t	upperc;
    289 	uint8_t	uppernc;
    290 	uint8_t	lowernr;
    291 	uint8_t	lowerc;
    292 	uint8_t	lowernc;
    293 	uint8_t	physt;
    294 	uint8_t	nhyst;
    295 	uint8_t	resvd[2];
    296 	uint8_t	oem;
    297 	uint8_t	typelen;
    298 	uint8_t	name[1];
    299 } __packed;
    300 
    301 /* SDR: Record Type 2 */
    302 struct sdrtype2 {
    303 	struct sdrhdr	sdrhdr;
    304 
    305 	uint8_t	owner_id;
    306 	uint8_t	owner_lun;
    307 	uint8_t	sensor_num;
    308 
    309 	uint8_t	entity_id;
    310 	uint8_t	entity_instance;
    311 	uint8_t	sensor_init;
    312 	uint8_t	sensor_caps;
    313 	uint8_t	sensor_type;
    314 	uint8_t	event_code;
    315 	uint16_t	trigger_mask;
    316 	uint16_t	reading_mask;
    317 	uint16_t	set_mask;
    318 	uint8_t	units1;
    319 	uint8_t	units2;
    320 	uint8_t	units3;
    321 	uint8_t	share1;
    322 	uint8_t	share2;
    323 	uint8_t	physt;
    324 	uint8_t	nhyst;
    325 	uint8_t	resvd[3];
    326 	uint8_t	oem;
    327 	uint8_t	typelen;
    328 	uint8_t	name[1];
    329 } __packed;
    330 
    331 #endif				/* _IPMIVAR_H_ */
    332