Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/ipmi/ipmivars.h
Version:
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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: releng/7.3/sys/dev/ipmi/ipmivars.h 182985 2008-09-12 21:44:31Z jhb $ 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 selinfo ipmi_select; 71 struct ipmi_softc *ipmi_softc; 72 int ipmi_closing; 73 int ipmi_requests; 74 u_char ipmi_address; /* IPMB address. */ 75 u_char ipmi_lun; 76 }; 77 78 struct ipmi_kcs { 79 }; 80 81 struct ipmi_smic { 82 }; 83 84 struct ipmi_ssif { 85 device_t smbus; 86 int smbus_address; 87 }; 88 89 struct 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; 104 int ipmi_opened; 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 *); 115 }; 116 117 #define ipmi_ssif_smbus_address _iface.ssif.smbus_address 118 #define ipmi_ssif_smbus _iface.ssif.smbus 119 120 struct 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 222 223 int ipmi_attach(device_t); 224 int ipmi_detach(device_t); 225 void ipmi_release_resources(device_t); 226 227 /* 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 *, 235 int); 236 237 /* Identify BMC interface via SMBIOS. */ 238 int ipmi_smbios_identify(struct ipmi_get_info *); 239 240 /* Match BMC PCI device listed in SMBIOS. */ 241 const char *ipmi_pci_match(uint16_t, uint16_t); 242 243 /* 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); 248 249 #ifdef IPMB 250 int ipmi_handle_attn(struct ipmi_softc *); 251 #endif 252 253 extern devclass_t ipmi_devclass; 254 extern int ipmi_attached; 255 256 #endif /* !__IPMIVARS_H__ */
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