Merge branch 'vendor/WPA_SUPPLICANT'
[dragonfly.git] / sys / dev / misc / ipmi / ipmivars.h
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 253812 2013-07-30 18:44:29Z sbruno $
27  */
28
29 #ifndef __IPMIVARS_H__
30 #define __IPMIVARS_H__
31
32 struct ipmi_get_info {
33         int             iface_type;
34         uint64_t        address;
35         int             offset;
36         int             io_mode;
37         int             irq;
38 };
39
40 struct ipmi_device;
41
42 struct 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
64 struct ipmi_softc;
65
66 /* Per file descriptor data. */
67 struct ipmi_device {
68         TAILQ_ENTRY(ipmi_device) ipmi_link;
69         TAILQ_HEAD(,ipmi_request) ipmi_completed_requests;
70         struct ipmi_softc       *ipmi_softc;
71         int                     ipmi_closing;
72         int                     ipmi_requests;
73         u_char                  ipmi_address;   /* IPMB address. */
74         u_char                  ipmi_lun;
75 };
76
77 struct ipmi_kcs {
78 };
79
80 struct ipmi_smic {
81 };
82
83 struct ipmi_ssif {
84         device_t smbus;
85         int     smbus_address;
86 };
87
88 struct ipmi_softc {
89         device_t                ipmi_dev;
90         union {
91                 struct ipmi_kcs kcs;
92                 struct ipmi_smic smic;
93                 struct ipmi_ssif ssif;
94         } _iface;
95         int                     ipmi_io_rid;
96         int                     ipmi_io_type;
97         struct resource         *ipmi_io_res[MAX_RES];
98         int                     ipmi_io_spacing;
99         int                     ipmi_irq_rid;
100         struct resource         *ipmi_irq_res;
101         void                    *ipmi_irq;
102         int                     ipmi_detaching;
103         int                     ipmi_opened;
104         struct cdev             *ipmi_cdev;
105         TAILQ_HEAD(,ipmi_request) ipmi_pending_requests;
106         int                     ipmi_watchdog_active;
107         struct intr_config_hook ipmi_ich;
108         struct lock             ipmi_lock;
109         struct cv               ipmi_request_added;
110         struct thread           *ipmi_kthread;
111         driver_intr_t           *ipmi_intr;
112         struct kqinfo           ipmi_kq;
113
114         struct callout          ipmi_watchdog;
115         int                     ipmi_wdog_period;
116         int                     ipmi_wdog_enable;
117
118         int                     (*ipmi_startup)(struct ipmi_softc *);
119         int                     (*ipmi_enqueue_request)(struct ipmi_softc *, struct ipmi_request *);
120 };
121
122 #define ipmi_ssif_smbus_address         _iface.ssif.smbus_address
123 #define ipmi_ssif_smbus                 _iface.ssif.smbus
124
125 struct ipmi_ipmb {
126         u_char foo;
127 };
128
129 #define KCS_MODE                0x01
130 #define SMIC_MODE               0x02
131 #define BT_MODE                 0x03
132 #define SSIF_MODE               0x04
133
134 /* KCS status flags */
135 #define KCS_STATUS_OBF                  0x01 /* Data Out ready from BMC */
136 #define KCS_STATUS_IBF                  0x02 /* Data In from System */
137 #define KCS_STATUS_SMS_ATN              0x04 /* Ready in RX queue */
138 #define KCS_STATUS_C_D                  0x08 /* Command/Data register write*/
139 #define KCS_STATUS_OEM1                 0x10
140 #define KCS_STATUS_OEM2                 0x20
141 #define KCS_STATUS_S0                   0x40
142 #define KCS_STATUS_S1                   0x80
143  #define KCS_STATUS_STATE(x)            ((x)>>6)
144  #define KCS_STATUS_STATE_IDLE          0x0
145  #define KCS_STATUS_STATE_READ          0x1
146  #define KCS_STATUS_STATE_WRITE         0x2
147  #define KCS_STATUS_STATE_ERROR         0x3
148 #define KCS_IFACE_STATUS_OK             0x00
149 #define KCS_IFACE_STATUS_ABORT          0x01
150 #define KCS_IFACE_STATUS_ILLEGAL        0x02
151 #define KCS_IFACE_STATUS_LENGTH_ERR     0x06
152 #define KCS_IFACE_STATUS_UNKNOWN_ERR    0xff
153
154 /* KCS control codes */
155 #define KCS_CONTROL_GET_STATUS_ABORT    0x60
156 #define KCS_CONTROL_WRITE_START         0x61
157 #define KCS_CONTROL_WRITE_END           0x62
158 #define KCS_DATA_IN_READ                0x68
159
160 /* SMIC status flags */
161 #define SMIC_STATUS_BUSY                0x01 /* System set and BMC clears it */
162 #define SMIC_STATUS_SMS_ATN             0x04 /* BMC has a message */
163 #define SMIC_STATUS_EVT_ATN             0x08 /* Event has been RX */
164 #define SMIC_STATUS_SMI                 0x10 /* asserted SMI */
165 #define SMIC_STATUS_TX_RDY              0x40 /* Ready to accept WRITE */
166 #define SMIC_STATUS_RX_RDY              0x80 /* Ready to read */
167 #define SMIC_STATUS_RESERVED            0x22
168
169 /* SMIC control codes */
170 #define SMIC_CC_SMS_GET_STATUS          0x40
171 #define SMIC_CC_SMS_WR_START            0x41
172 #define SMIC_CC_SMS_WR_NEXT             0x42
173 #define SMIC_CC_SMS_WR_END              0x43
174 #define SMIC_CC_SMS_RD_START            0x44
175 #define SMIC_CC_SMS_RD_NEXT             0x45
176 #define SMIC_CC_SMS_RD_END              0x46
177
178 /* SMIC status codes */
179 #define SMIC_SC_SMS_RDY                 0xc0
180 #define SMIC_SC_SMS_WR_START            0xc1
181 #define SMIC_SC_SMS_WR_NEXT             0xc2
182 #define SMIC_SC_SMS_WR_END              0xc3
183 #define SMIC_SC_SMS_RD_START            0xc4
184 #define SMIC_SC_SMS_RD_NEXT             0xc5
185 #define SMIC_SC_SMS_RD_END              0xc6
186
187 #define IPMI_ADDR(netfn, lun)           ((netfn) << 2 | (lun))
188 #define IPMI_REPLY_ADDR(addr)           ((addr) + 0x4)
189
190 #define IPMI_LOCK(sc)                   lockmgr(&(sc)->ipmi_lock, LK_EXCLUSIVE)
191 #define IPMI_UNLOCK(sc)                 lockmgr(&(sc)->ipmi_lock, LK_RELEASE)
192 #define IPMI_LOCK_ASSERT(sc)            KKASSERT(lockowned(&(sc)->ipmi_lock))
193
194 #define ipmi_alloc_driver_request(addr, cmd, reqlen, replylen)          \
195         ipmi_alloc_request(NULL, 0, (addr), (cmd), (reqlen), (replylen))
196
197 /* I/O to a single I/O resource. */
198 #define INB_SINGLE(sc, x)                                               \
199         bus_read_1((sc)->ipmi_io_res[0], (sc)->ipmi_io_spacing * (x))
200 #define OUTB_SINGLE(sc, x, value)                                       \
201         bus_write_1((sc)->ipmi_io_res[0], (sc)->ipmi_io_spacing * (x), value)
202
203 /* I/O with each register in its in I/O resource. */
204 #define INB_MULTIPLE(sc, x)                     \
205         bus_read_1((sc)->ipmi_io_res[(x)], 0)
206 #define OUTB_MULTIPLE(sc, x, value)                                     \
207         bus_write_1((sc)->ipmi_io_res[(x)], 0, value)
208
209 /*
210  * Determine I/O method based on whether or not we have more than one I/O
211  * resource.
212  */
213 #define INB(sc, x)                                                      \
214         ((sc)->ipmi_io_res[1] != NULL ? INB_MULTIPLE(sc, x) : INB_SINGLE(sc, x))
215 #define OUTB(sc, x, value)                                              \
216         ((sc)->ipmi_io_res[1] != NULL ? OUTB_MULTIPLE(sc, x, value) :   \
217             OUTB_SINGLE(sc, x, value))
218
219 #define MAX_TIMEOUT 6 * hz
220
221 int     ipmi_attach(device_t);
222 int     ipmi_detach(device_t);
223 void    ipmi_release_resources(device_t);
224
225 /* Manage requests. */
226 struct ipmi_request *ipmi_alloc_request(struct ipmi_device *, long, uint8_t,
227             uint8_t, size_t, size_t);
228 void    ipmi_complete_request(struct ipmi_softc *, struct ipmi_request *);
229 struct ipmi_request *ipmi_dequeue_request(struct ipmi_softc *);
230 void    ipmi_free_request(struct ipmi_request *);
231 int     ipmi_polled_enqueue_request(struct ipmi_softc *, struct ipmi_request *);
232 int     ipmi_submit_driver_request(struct ipmi_softc *, struct ipmi_request *,
233             int);
234
235 /* Identify BMC interface via SMBIOS. */
236 int     ipmi_smbios_identify(struct ipmi_get_info *);
237
238 /* Match BMC PCI device listed in SMBIOS. */
239 const char *ipmi_pci_match(uint16_t, uint16_t);
240
241 /* Interface attach routines. */
242 int     ipmi_kcs_attach(struct ipmi_softc *);
243 int     ipmi_kcs_probe_align(struct ipmi_softc *);
244 int     ipmi_smic_attach(struct ipmi_softc *);
245 int     ipmi_ssif_attach(struct ipmi_softc *, device_t, int);
246
247 #ifdef IPMB
248 int     ipmi_handle_attn(struct ipmi_softc *);
249 #endif
250
251 extern devclass_t ipmi_devclass;
252 extern int ipmi_attached;
253
254 #endif  /* !__IPMIVARS_H__ */