2 * Copyright (c) 2006 IronPort Systems Inc. <ambrisko@ironport.com>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #ifndef __IPMIVARS_H__
30 #define __IPMIVARS_H__
32 struct ipmi_get_info {
43 TAILQ_ENTRY(ipmi_request) ir_link;
44 struct ipmi_device *ir_owner; /* Driver uses NULL. */
45 u_char *ir_request; /* Request is data to send to BMC. */
47 u_char *ir_reply; /* Reply is data read from BMC. */
48 size_t ir_replybuflen; /* Length of ir_reply[] buffer. */
49 int ir_replylen; /* Length of reply from BMC. */
61 #define SMIC_CTL_STS 1
66 /* Per file descriptor data. */
68 TAILQ_ENTRY(ipmi_device) ipmi_link;
69 TAILQ_HEAD(,ipmi_request) ipmi_completed_requests;
70 struct selinfo ipmi_select;
71 struct ipmi_softc *ipmi_softc;
74 u_char ipmi_address; /* IPMB address. */
93 struct ipmi_smic smic;
94 struct ipmi_ssif ssif;
98 struct resource *ipmi_io_res[MAX_RES];
101 struct resource *ipmi_irq_res;
105 struct cdev *ipmi_cdev;
106 TAILQ_HEAD(,ipmi_request) ipmi_pending_requests;
107 eventhandler_tag ipmi_watchdog_tag;
108 struct intr_config_hook ipmi_ich;
109 struct mtx ipmi_lock;
110 struct cv ipmi_request_added;
111 struct proc *ipmi_kthread;
112 driver_intr_t *ipmi_intr;
113 int (*ipmi_startup)(struct ipmi_softc *);
114 int (*ipmi_enqueue_request)(struct ipmi_softc *, struct ipmi_request *);
117 #define ipmi_ssif_smbus_address _iface.ssif.smbus_address
118 #define ipmi_ssif_smbus _iface.ssif.smbus
124 #define KCS_MODE 0x01
125 #define SMIC_MODE 0x02
127 #define SSIF_MODE 0x04
129 /* KCS status flags */
130 #define KCS_STATUS_OBF 0x01 /* Data Out ready from BMC */
131 #define KCS_STATUS_IBF 0x02 /* Data In from System */
132 #define KCS_STATUS_SMS_ATN 0x04 /* Ready in RX queue */
133 #define KCS_STATUS_C_D 0x08 /* Command/Data register write*/
134 #define KCS_STATUS_OEM1 0x10
135 #define KCS_STATUS_OEM2 0x20
136 #define KCS_STATUS_S0 0x40
137 #define KCS_STATUS_S1 0x80
138 #define KCS_STATUS_STATE(x) ((x)>>6)
139 #define KCS_STATUS_STATE_IDLE 0x0
140 #define KCS_STATUS_STATE_READ 0x1
141 #define KCS_STATUS_STATE_WRITE 0x2
142 #define KCS_STATUS_STATE_ERROR 0x3
143 #define KCS_IFACE_STATUS_OK 0x00
144 #define KCS_IFACE_STATUS_ABORT 0x01
145 #define KCS_IFACE_STATUS_ILLEGAL 0x02
146 #define KCS_IFACE_STATUS_LENGTH_ERR 0x06
147 #define KCS_IFACE_STATUS_UNKNOWN_ERR 0xff
149 /* KCS control codes */
150 #define KCS_CONTROL_GET_STATUS_ABORT 0x60
151 #define KCS_CONTROL_WRITE_START 0x61
152 #define KCS_CONTROL_WRITE_END 0x62
153 #define KCS_DATA_IN_READ 0x68
155 /* SMIC status flags */
156 #define SMIC_STATUS_BUSY 0x01 /* System set and BMC clears it */
157 #define SMIC_STATUS_SMS_ATN 0x04 /* BMC has a message */
158 #define SMIC_STATUS_EVT_ATN 0x08 /* Event has been RX */
159 #define SMIC_STATUS_SMI 0x10 /* asserted SMI */
160 #define SMIC_STATUS_TX_RDY 0x40 /* Ready to accept WRITE */
161 #define SMIC_STATUS_RX_RDY 0x80 /* Ready to read */
162 #define SMIC_STATUS_RESERVED 0x22
164 /* SMIC control codes */
165 #define SMIC_CC_SMS_GET_STATUS 0x40
166 #define SMIC_CC_SMS_WR_START 0x41
167 #define SMIC_CC_SMS_WR_NEXT 0x42
168 #define SMIC_CC_SMS_WR_END 0x43
169 #define SMIC_CC_SMS_RD_START 0x44
170 #define SMIC_CC_SMS_RD_NEXT 0x45
171 #define SMIC_CC_SMS_RD_END 0x46
173 /* SMIC status codes */
174 #define SMIC_SC_SMS_RDY 0xc0
175 #define SMIC_SC_SMS_WR_START 0xc1
176 #define SMIC_SC_SMS_WR_NEXT 0xc2
177 #define SMIC_SC_SMS_WR_END 0xc3
178 #define SMIC_SC_SMS_RD_START 0xc4
179 #define SMIC_SC_SMS_RD_NEXT 0xc5
180 #define SMIC_SC_SMS_RD_END 0xc6
182 #define IPMI_ADDR(netfn, lun) ((netfn) << 2 | (lun))
183 #define IPMI_REPLY_ADDR(addr) ((addr) + 0x4)
185 #define IPMI_LOCK(sc) mtx_lock(&(sc)->ipmi_lock)
186 #define IPMI_UNLOCK(sc) mtx_unlock(&(sc)->ipmi_lock)
187 #define IPMI_LOCK_ASSERT(sc) mtx_assert(&(sc)->ipmi_lock, MA_OWNED)
189 #define ipmi_alloc_driver_request(addr, cmd, reqlen, replylen) \
190 ipmi_alloc_request(NULL, 0, (addr), (cmd), (reqlen), (replylen))
192 #if __FreeBSD_version < 601105
193 #define bus_read_1(r, o) \
194 bus_space_read_1(rman_get_bustag(r), rman_get_bushandle(r), (o))
195 #define bus_write_1(r, o, v) \
196 bus_space_write_1(rman_get_bustag(r), rman_get_bushandle(r), (o), (v))
199 /* I/O to a single I/O resource. */
200 #define INB_SINGLE(sc, x) \
201 bus_read_1((sc)->ipmi_io_res[0], (sc)->ipmi_io_spacing * (x))
202 #define OUTB_SINGLE(sc, x, value) \
203 bus_write_1((sc)->ipmi_io_res[0], (sc)->ipmi_io_spacing * (x), value)
205 /* I/O with each register in its in I/O resource. */
206 #define INB_MULTIPLE(sc, x) \
207 bus_read_1((sc)->ipmi_io_res[(x)], 0)
208 #define OUTB_MULTIPLE(sc, x, value) \
209 bus_write_1((sc)->ipmi_io_res[(x)], 0, value)
212 * Determine I/O method based on whether or not we have more than one I/O
216 ((sc)->ipmi_io_res[1] != NULL ? INB_MULTIPLE(sc, x) : INB_SINGLE(sc, x))
217 #define OUTB(sc, x, value) \
218 ((sc)->ipmi_io_res[1] != NULL ? OUTB_MULTIPLE(sc, x, value) : \
219 OUTB_SINGLE(sc, x, value))
221 #define MAX_TIMEOUT 3 * hz
223 int ipmi_attach(device_t);
224 int ipmi_detach(device_t);
225 void ipmi_release_resources(device_t);
227 /* Manage requests. */
228 struct ipmi_request *ipmi_alloc_request(struct ipmi_device *, long, uint8_t,
229 uint8_t, size_t, size_t);
230 void ipmi_complete_request(struct ipmi_softc *, struct ipmi_request *);
231 struct ipmi_request *ipmi_dequeue_request(struct ipmi_softc *);
232 void ipmi_free_request(struct ipmi_request *);
233 int ipmi_polled_enqueue_request(struct ipmi_softc *, struct ipmi_request *);
234 int ipmi_submit_driver_request(struct ipmi_softc *, struct ipmi_request *,
237 /* Identify BMC interface via SMBIOS. */
238 int ipmi_smbios_identify(struct ipmi_get_info *);
240 /* Match BMC PCI device listed in SMBIOS. */
241 const char *ipmi_pci_match(uint16_t, uint16_t);
243 /* Interface attach routines. */
244 int ipmi_kcs_attach(struct ipmi_softc *);
245 int ipmi_kcs_probe_align(struct ipmi_softc *);
246 int ipmi_smic_attach(struct ipmi_softc *);
247 int ipmi_ssif_attach(struct ipmi_softc *, device_t, int);
250 int ipmi_handle_attn(struct ipmi_softc *);
253 extern devclass_t ipmi_devclass;
254 extern int ipmi_attached;
256 #endif /* !__IPMIVARS_H__ */