1/*-
2 * Copyright (c) 2006 IronPort Systems Inc. <ambrisko@ironport.com>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
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.
13 *
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
24 * SUCH DAMAGE.
25 *
|
26 * $FreeBSD: head/sys/dev/ipmi/ipmivars.h 162562 2006-09-22 22:11:29Z jhb $
|
| 26 * $FreeBSD: head/sys/dev/ipmi/ipmivars.h 182322 2008-08-28 02:13:53Z jhb $ |
27 */
28
29#ifndef __IPMIVARS_H__
30#define __IPMIVARS_H__
31
32struct ipmi_get_info {
33 int iface_type;
34 uint64_t address;
35 int offset;
36 int io_mode;
37 int irq;
38};
39
40struct ipmi_device;
41
42struct ipmi_request {
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. */
46 size_t ir_requestlen;
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. */
50 int ir_error;
51 long ir_msgid;
52 uint8_t ir_addr;
53 uint8_t ir_command;
54 uint8_t ir_compcode;
55};
56
57#define MAX_RES 3
58#define KCS_DATA 0
59#define KCS_CTL_STS 1
60#define SMIC_DATA 0
61#define SMIC_CTL_STS 1
62#define SMIC_FLAGS 2
63
64struct ipmi_softc;
65
|
66/* Per struct cdev data. */
|
| 66/* Per file descriptor data. */ |
67struct ipmi_device {
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;
|
72 struct cdev *ipmi_cdev;
73 int ipmi_open;
|
72 int ipmi_closing;
73 int ipmi_requests;
74 u_char ipmi_address; /* IPMB address. */
75 u_char ipmi_lun;
76};
77
78struct ipmi_kcs {
79};
80
81struct ipmi_smic {
82};
83
84struct ipmi_ssif {
85 device_t smbus;
86 int smbus_address;
87};
88
89struct ipmi_softc {
90 device_t ipmi_dev;
91 union {
92 struct ipmi_kcs kcs;
93 struct ipmi_smic smic;
94 struct ipmi_ssif ssif;
95 } _iface;
96 int ipmi_io_rid;
97 int ipmi_io_type;
98 struct resource *ipmi_io_res[MAX_RES];
99 int ipmi_io_spacing;
100 int ipmi_irq_rid;
101 struct resource *ipmi_irq_res;
102 void *ipmi_irq;
103 int ipmi_detaching;
|
106#ifdef CLONING
107 int ipmi_cloning;
108 u_int ipmi_cdev_mask;
109 TAILQ_HEAD(,ipmi_device) ipmi_cdevs;
110#else
111 struct ipmi_device ipmi_idev;
112#endif
|
104 int ipmi_opened;
105 struct cdev *ipmi_cdev; |
106 TAILQ_HEAD(,ipmi_request) ipmi_pending_requests;
|
114#ifdef CLONING
115 eventhandler_tag ipmi_clone_tag;
116#endif
|
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 *);
115};
116
117#define ipmi_ssif_smbus_address _iface.ssif.smbus_address
118#define ipmi_ssif_smbus _iface.ssif.smbus
119
120struct ipmi_ipmb {
121 u_char foo;
122};
123
124#define KCS_MODE 0x01
125#define SMIC_MODE 0x02
126#define BT_MODE 0x03
127#define SSIF_MODE 0x04
128
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
148
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
154
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
163
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
172
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
181
182#define IPMI_ADDR(netfn, lun) ((netfn) << 2 | (lun))
183#define IPMI_REPLY_ADDR(addr) ((addr) + 0x4)
184
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)
188
189#define ipmi_alloc_driver_request(addr, cmd, reqlen, replylen) \
190 ipmi_alloc_request(NULL, 0, (addr), (cmd), (reqlen), (replylen))
191
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))
197#endif
198
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)
204
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)
210
211/*
212 * Determine I/O method based on whether or not we have more than one I/O
213 * resource.
214 */
215#define INB(sc, x) \
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))
220
221#define MAX_TIMEOUT 3 * hz
222
223int ipmi_attach(device_t);
224int ipmi_detach(device_t);
225void ipmi_release_resources(device_t);
226
227/* Manage requests. */
228struct ipmi_request *ipmi_alloc_request(struct ipmi_device *, long, uint8_t,
229 uint8_t, size_t, size_t);
230void ipmi_complete_request(struct ipmi_softc *, struct ipmi_request *);
231struct ipmi_request *ipmi_dequeue_request(struct ipmi_softc *);
232void ipmi_free_request(struct ipmi_request *);
233int ipmi_polled_enqueue_request(struct ipmi_softc *, struct ipmi_request *);
234int ipmi_submit_driver_request(struct ipmi_softc *, struct ipmi_request *,
235 int);
236
237/* Identify BMC interface via SMBIOS. */
238int ipmi_smbios_identify(struct ipmi_get_info *);
239
240/* Match BMC PCI device listed in SMBIOS. */
241const char *ipmi_pci_match(uint16_t, uint16_t);
242
243/* Interface attach routines. */
244int ipmi_kcs_attach(struct ipmi_softc *);
245int ipmi_kcs_probe_align(struct ipmi_softc *);
246int ipmi_smic_attach(struct ipmi_softc *);
247int ipmi_ssif_attach(struct ipmi_softc *, device_t, int);
248
249#ifdef IPMB
250int ipmi_handle_attn(struct ipmi_softc *);
251#endif
252
253extern devclass_t ipmi_devclass;
254extern int ipmi_attached;
255
256#endif /* !__IPMIVARS_H__ */
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