1989f2807SJerry Jelinek /* 2989f2807SJerry Jelinek * CDDL HEADER START 3989f2807SJerry Jelinek * 4989f2807SJerry Jelinek * The contents of this file are subject to the terms of the 5989f2807SJerry Jelinek * Common Development and Distribution License (the "License"). 6989f2807SJerry Jelinek * You may not use this file except in compliance with the License. 7989f2807SJerry Jelinek * 8989f2807SJerry Jelinek * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9989f2807SJerry Jelinek * or http://www.opensolaris.org/os/licensing. 10989f2807SJerry Jelinek * See the License for the specific language governing permissions 11989f2807SJerry Jelinek * and limitations under the License. 12989f2807SJerry Jelinek * 13989f2807SJerry Jelinek * When distributing Covered Code, include this CDDL HEADER in each 14989f2807SJerry Jelinek * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15989f2807SJerry Jelinek * If applicable, add the following below this CDDL HEADER, with the 16989f2807SJerry Jelinek * fields enclosed by brackets "[]" replaced with your own identifying 17989f2807SJerry Jelinek * information: Portions Copyright [yyyy] [name of copyright owner] 18989f2807SJerry Jelinek * 19989f2807SJerry Jelinek * CDDL HEADER END 20989f2807SJerry Jelinek */ 21989f2807SJerry Jelinek 22989f2807SJerry Jelinek /* 23*164b0ee5SRobert Mustacchi * Copyright (c) 2013, Joyent, Inc. All rights reserved. 241e393477SMarcel Telka * Copyright 2013 Nexenta Systems, Inc. All rights reserved. 25989f2807SJerry Jelinek */ 26989f2807SJerry Jelinek 27989f2807SJerry Jelinek /* 28989f2807SJerry Jelinek * The ipmi driver is an openipmi compatible IPMI driver based on the FreeBSD 29989f2807SJerry Jelinek * driver. 30989f2807SJerry Jelinek * 31989f2807SJerry Jelinek * The current implementation has several limitations: 32989f2807SJerry Jelinek * 1) It only does discovery through the SMBIOS. The FreeBSD driver has 33989f2807SJerry Jelinek * several additional ways to discover the IPMI device (acpi, bus checking, 34989f2807SJerry Jelinek * etc.). This support could be ported if necessary. 35989f2807SJerry Jelinek * 2) The driver currently only supports the IPMI KCS_MODE mode (reported 36989f2807SJerry Jelinek * through the SMBIOS as SMBIOS SMB_IPMI_T_KCS). Support for the other modes 37989f2807SJerry Jelinek * (BT_MODE, SMIC_MODE, SSIF_MODE) could be ported if necessary. 38989f2807SJerry Jelinek * 3) The driver does not currently set up an IPMI watchdog. This also could 39989f2807SJerry Jelinek * be ported if necessary. 40989f2807SJerry Jelinek */ 41989f2807SJerry Jelinek 42989f2807SJerry Jelinek #include <sys/devops.h> 43989f2807SJerry Jelinek #include <sys/conf.h> 44989f2807SJerry Jelinek #include <sys/modctl.h> 45989f2807SJerry Jelinek #include <sys/types.h> 46989f2807SJerry Jelinek #include <sys/file.h> 47989f2807SJerry Jelinek #include <sys/errno.h> 48989f2807SJerry Jelinek #include <sys/open.h> 49989f2807SJerry Jelinek #include <sys/cred.h> 50989f2807SJerry Jelinek #include <sys/uio.h> 51989f2807SJerry Jelinek #include <sys/stat.h> 52989f2807SJerry Jelinek #include <sys/cmn_err.h> 53989f2807SJerry Jelinek #include <sys/ddi.h> 54989f2807SJerry Jelinek #include <sys/sunddi.h> 55989f2807SJerry Jelinek #include <sys/smbios.h> 56989f2807SJerry Jelinek #include <sys/smbios_impl.h> 57989f2807SJerry Jelinek #include <sys/policy.h> 58989f2807SJerry Jelinek #include <sys/ipmi.h> 59989f2807SJerry Jelinek #include "ipmivars.h" 60989f2807SJerry Jelinek 61989f2807SJerry Jelinek static dev_info_t *ipmi_dip; 62989f2807SJerry Jelinek static boolean_t ipmi_attached = B_FALSE; 63989f2807SJerry Jelinek static boolean_t ipmi_found = B_FALSE; 64989f2807SJerry Jelinek static struct ipmi_softc softc; 65989f2807SJerry Jelinek static struct ipmi_softc *sc = &softc; 66989f2807SJerry Jelinek static list_t dev_list; 67989f2807SJerry Jelinek static id_space_t *minor_ids; 68*164b0ee5SRobert Mustacchi static kmutex_t dev_list_lock; 69989f2807SJerry Jelinek 70989f2807SJerry Jelinek #define PTRIN(p) ((void *)(uintptr_t)(p)) 71989f2807SJerry Jelinek #define PTROUT(p) ((uintptr_t)(p)) 72989f2807SJerry Jelinek 73989f2807SJerry Jelinek /* 74989f2807SJerry Jelinek * Use the SMBIOS info to determine if the system has an IPMI. 75989f2807SJerry Jelinek */ 76989f2807SJerry Jelinek static int 77989f2807SJerry Jelinek get_smbios_ipmi_info(void) 78989f2807SJerry Jelinek { 79989f2807SJerry Jelinek smbios_ipmi_t ipmi; 80989f2807SJerry Jelinek 81989f2807SJerry Jelinek if (ksmbios == NULL || smbios_info_ipmi(ksmbios, &ipmi) == SMB_ERR) 82989f2807SJerry Jelinek return (DDI_FAILURE); 83989f2807SJerry Jelinek 84989f2807SJerry Jelinek cmn_err(CE_CONT, "!SMBIOS type 0x%x, addr 0x%llx", ipmi.smbip_type, 85989f2807SJerry Jelinek (long long unsigned int)(ipmi.smbip_addr)); 86989f2807SJerry Jelinek 87989f2807SJerry Jelinek /* 88989f2807SJerry Jelinek * Some systems have a bios that will report an IPMI device even when 89989f2807SJerry Jelinek * it is not installed. In this case we see 0x0 as the base address. 90989f2807SJerry Jelinek * If we see this address, assume the device is not really present. 91989f2807SJerry Jelinek */ 92989f2807SJerry Jelinek if (ipmi.smbip_addr == NULL) { 93989f2807SJerry Jelinek cmn_err(CE_WARN, "!SMBIOS: Invalid base address"); 94989f2807SJerry Jelinek return (DDI_FAILURE); 95989f2807SJerry Jelinek } 96989f2807SJerry Jelinek 97989f2807SJerry Jelinek sc->ipmi_io_type = ipmi.smbip_type; 98989f2807SJerry Jelinek switch (ipmi.smbip_type) { 99989f2807SJerry Jelinek case SMB_IPMI_T_KCS: 100989f2807SJerry Jelinek case SMB_IPMI_T_SMIC: 101989f2807SJerry Jelinek sc->ipmi_io_address = ipmi.smbip_addr; 102989f2807SJerry Jelinek sc->ipmi_io_mode = (ipmi.smbip_flags & SMB_IPMI_F_IOADDR) ? 103989f2807SJerry Jelinek 1 : 0; 104989f2807SJerry Jelinek sc->ipmi_io_spacing = ipmi.smbip_regspacing; 105989f2807SJerry Jelinek break; 106989f2807SJerry Jelinek case SMB_IPMI_T_SSIF: 107989f2807SJerry Jelinek if ((ipmi.smbip_addr & 0xffffffffffffff00) != 0) { 108989f2807SJerry Jelinek cmn_err(CE_WARN, "!SMBIOS: Invalid SSIF SMBus address, " 109989f2807SJerry Jelinek "using BMC I2C slave address instead"); 110989f2807SJerry Jelinek sc->ipmi_io_address = ipmi.smbip_i2c; 111989f2807SJerry Jelinek } else { 112989f2807SJerry Jelinek sc->ipmi_io_address = ipmi.smbip_addr; 113989f2807SJerry Jelinek } 114989f2807SJerry Jelinek break; 115989f2807SJerry Jelinek default: 116989f2807SJerry Jelinek return (DDI_FAILURE); 117989f2807SJerry Jelinek } 118989f2807SJerry Jelinek 119989f2807SJerry Jelinek if (ipmi.smbip_intr > 15) { 120989f2807SJerry Jelinek cmn_err(CE_WARN, "!SMBIOS: Non-ISA IRQ %d for IPMI", 121989f2807SJerry Jelinek ipmi.smbip_intr); 122989f2807SJerry Jelinek return (DDI_FAILURE); 123989f2807SJerry Jelinek } 124989f2807SJerry Jelinek 125989f2807SJerry Jelinek sc->ipmi_io_irq = ipmi.smbip_intr; 126989f2807SJerry Jelinek return (DDI_SUCCESS); 127989f2807SJerry Jelinek } 128989f2807SJerry Jelinek 129989f2807SJerry Jelinek static ipmi_device_t * 130989f2807SJerry Jelinek lookup_ipmidev_by_dev(dev_t dev) 131989f2807SJerry Jelinek { 132989f2807SJerry Jelinek ipmi_device_t *p; 133989f2807SJerry Jelinek 134*164b0ee5SRobert Mustacchi mutex_enter(&dev_list_lock); 135989f2807SJerry Jelinek for (p = list_head(&dev_list); p; p = list_next(&dev_list, p)) { 136*164b0ee5SRobert Mustacchi if (dev == p->ipmi_dev) { 137*164b0ee5SRobert Mustacchi mutex_exit(&dev_list_lock); 138989f2807SJerry Jelinek return (p); 139*164b0ee5SRobert Mustacchi } 140989f2807SJerry Jelinek } 141*164b0ee5SRobert Mustacchi mutex_exit(&dev_list_lock); 142989f2807SJerry Jelinek return (NULL); 143989f2807SJerry Jelinek } 144989f2807SJerry Jelinek 145989f2807SJerry Jelinek /* 146989f2807SJerry Jelinek * Each open returns a new pseudo device. 147989f2807SJerry Jelinek */ 148989f2807SJerry Jelinek /*ARGSUSED*/ 149989f2807SJerry Jelinek static int 150989f2807SJerry Jelinek ipmi_open(dev_t *devp, int flag, int otyp, cred_t *cred) 151989f2807SJerry Jelinek { 152989f2807SJerry Jelinek minor_t minor; 153989f2807SJerry Jelinek ipmi_device_t *dev; 154989f2807SJerry Jelinek 155989f2807SJerry Jelinek if (ipmi_attached == B_FALSE) 156989f2807SJerry Jelinek return (ENXIO); 157989f2807SJerry Jelinek 158989f2807SJerry Jelinek if (ipmi_found == B_FALSE) 159989f2807SJerry Jelinek return (ENODEV); 160989f2807SJerry Jelinek 161989f2807SJerry Jelinek /* exclusive opens are not supported */ 162989f2807SJerry Jelinek if (flag & FEXCL) 163989f2807SJerry Jelinek return (ENOTSUP); 164989f2807SJerry Jelinek 165989f2807SJerry Jelinek if ((minor = (minor_t)id_alloc_nosleep(minor_ids)) == 0) 166989f2807SJerry Jelinek return (ENODEV); 167989f2807SJerry Jelinek 168989f2807SJerry Jelinek /* Initialize the per file descriptor data. */ 169989f2807SJerry Jelinek dev = kmem_zalloc(sizeof (ipmi_device_t), KM_SLEEP); 170989f2807SJerry Jelinek 171989f2807SJerry Jelinek dev->ipmi_pollhead = kmem_zalloc(sizeof (pollhead_t), KM_SLEEP); 172989f2807SJerry Jelinek 173989f2807SJerry Jelinek TAILQ_INIT(&dev->ipmi_completed_requests); 174989f2807SJerry Jelinek dev->ipmi_address = IPMI_BMC_SLAVE_ADDR; 175989f2807SJerry Jelinek dev->ipmi_lun = IPMI_BMC_SMS_LUN; 176989f2807SJerry Jelinek *devp = makedevice(getmajor(*devp), minor); 177989f2807SJerry Jelinek dev->ipmi_dev = *devp; 178cc944374SMarcel Telka cv_init(&dev->ipmi_cv, NULL, CV_DEFAULT, NULL); 179989f2807SJerry Jelinek 180*164b0ee5SRobert Mustacchi mutex_enter(&dev_list_lock); 181989f2807SJerry Jelinek list_insert_head(&dev_list, dev); 182*164b0ee5SRobert Mustacchi mutex_exit(&dev_list_lock); 183989f2807SJerry Jelinek 184989f2807SJerry Jelinek return (0); 185989f2807SJerry Jelinek } 186989f2807SJerry Jelinek 187989f2807SJerry Jelinek /*ARGSUSED*/ 188989f2807SJerry Jelinek static int 189989f2807SJerry Jelinek ipmi_close(dev_t dev, int flag, int otyp, cred_t *cred) 190989f2807SJerry Jelinek { 191989f2807SJerry Jelinek ipmi_device_t *dp; 192989f2807SJerry Jelinek struct ipmi_request *req, *next; 193989f2807SJerry Jelinek 194989f2807SJerry Jelinek if ((dp = lookup_ipmidev_by_dev(dev)) == NULL) 195989f2807SJerry Jelinek return (ENODEV); 196989f2807SJerry Jelinek 197989f2807SJerry Jelinek IPMI_LOCK(sc); 198989f2807SJerry Jelinek /* remove any pending requests */ 199989f2807SJerry Jelinek req = TAILQ_FIRST(&sc->ipmi_pending_requests); 200989f2807SJerry Jelinek while (req != NULL) { 201989f2807SJerry Jelinek next = TAILQ_NEXT(req, ir_link); 202989f2807SJerry Jelinek 203989f2807SJerry Jelinek if (req->ir_owner == dp) { 204989f2807SJerry Jelinek TAILQ_REMOVE(&sc->ipmi_pending_requests, req, ir_link); 205989f2807SJerry Jelinek ipmi_free_request(req); 206989f2807SJerry Jelinek } 207989f2807SJerry Jelinek req = next; 208989f2807SJerry Jelinek } 209cc944374SMarcel Telka 210cc944374SMarcel Telka dp->ipmi_status |= IPMI_CLOSING; 211cc944374SMarcel Telka while (dp->ipmi_status & IPMI_BUSY) 212cc944374SMarcel Telka cv_wait(&dp->ipmi_cv, &sc->ipmi_lock); 213989f2807SJerry Jelinek IPMI_UNLOCK(sc); 214989f2807SJerry Jelinek 215989f2807SJerry Jelinek /* remove any requests in queue of stuff completed */ 216989f2807SJerry Jelinek while ((req = TAILQ_FIRST(&dp->ipmi_completed_requests)) != NULL) { 217989f2807SJerry Jelinek TAILQ_REMOVE(&dp->ipmi_completed_requests, req, ir_link); 218989f2807SJerry Jelinek ipmi_free_request(req); 219989f2807SJerry Jelinek } 220989f2807SJerry Jelinek 221*164b0ee5SRobert Mustacchi mutex_enter(&dev_list_lock); 222989f2807SJerry Jelinek list_remove(&dev_list, dp); 223*164b0ee5SRobert Mustacchi mutex_exit(&dev_list_lock); 224989f2807SJerry Jelinek id_free(minor_ids, getminor(dev)); 225cc944374SMarcel Telka cv_destroy(&dp->ipmi_cv); 226989f2807SJerry Jelinek kmem_free(dp->ipmi_pollhead, sizeof (pollhead_t)); 227989f2807SJerry Jelinek kmem_free(dp, sizeof (ipmi_device_t)); 228989f2807SJerry Jelinek 229989f2807SJerry Jelinek return (0); 230989f2807SJerry Jelinek } 231989f2807SJerry Jelinek 232989f2807SJerry Jelinek /*ARGSUSED*/ 233989f2807SJerry Jelinek static int 234989f2807SJerry Jelinek ipmi_ioctl(dev_t dv, int cmd, intptr_t data, int flags, cred_t *cr, int *rvalp) 235989f2807SJerry Jelinek { 236989f2807SJerry Jelinek struct ipmi_device *dev; 237989f2807SJerry Jelinek struct ipmi_request *kreq; 238989f2807SJerry Jelinek struct ipmi_req req; 239989f2807SJerry Jelinek struct ipmi_recv recv; 240989f2807SJerry Jelinek struct ipmi_recv32 recv32; 241989f2807SJerry Jelinek struct ipmi_addr addr; 242989f2807SJerry Jelinek int error, len; 243989f2807SJerry Jelinek model_t model; 244989f2807SJerry Jelinek int orig_cmd = 0; 245989f2807SJerry Jelinek uchar_t t_lun; 246989f2807SJerry Jelinek 247989f2807SJerry Jelinek if (secpolicy_sys_config(cr, B_FALSE) != 0) 248989f2807SJerry Jelinek return (EPERM); 249989f2807SJerry Jelinek 250989f2807SJerry Jelinek if ((dev = lookup_ipmidev_by_dev(dv)) == NULL) 251989f2807SJerry Jelinek return (ENODEV); 252989f2807SJerry Jelinek 253989f2807SJerry Jelinek model = get_udatamodel(); 254989f2807SJerry Jelinek if (model == DATAMODEL_NATIVE) { 255989f2807SJerry Jelinek switch (cmd) { 256989f2807SJerry Jelinek case IPMICTL_SEND_COMMAND: 257989f2807SJerry Jelinek if (copyin((void *)data, &req, sizeof (req))) 258989f2807SJerry Jelinek return (EFAULT); 259989f2807SJerry Jelinek break; 260989f2807SJerry Jelinek case IPMICTL_RECEIVE_MSG_TRUNC: 261989f2807SJerry Jelinek case IPMICTL_RECEIVE_MSG: 262989f2807SJerry Jelinek if (copyin((void *)data, &recv, sizeof (recv))) 263989f2807SJerry Jelinek return (EFAULT); 264989f2807SJerry Jelinek break; 265989f2807SJerry Jelinek } 266989f2807SJerry Jelinek } else { 267989f2807SJerry Jelinek /* Convert 32-bit structures to native. */ 268989f2807SJerry Jelinek struct ipmi_req32 req32; 269989f2807SJerry Jelinek 270989f2807SJerry Jelinek switch (cmd) { 271989f2807SJerry Jelinek case IPMICTL_SEND_COMMAND_32: 272989f2807SJerry Jelinek if (copyin((void *)data, &req32, sizeof (req32))) 273989f2807SJerry Jelinek return (EFAULT); 274989f2807SJerry Jelinek 275989f2807SJerry Jelinek req.addr = PTRIN(req32.addr); 276989f2807SJerry Jelinek req.addr_len = req32.addr_len; 277989f2807SJerry Jelinek req.msgid = req32.msgid; 278989f2807SJerry Jelinek req.msg.netfn = req32.msg.netfn; 279989f2807SJerry Jelinek req.msg.cmd = req32.msg.cmd; 280989f2807SJerry Jelinek req.msg.data_len = req32.msg.data_len; 281989f2807SJerry Jelinek req.msg.data = PTRIN(req32.msg.data); 282989f2807SJerry Jelinek 283989f2807SJerry Jelinek cmd = IPMICTL_SEND_COMMAND; 284989f2807SJerry Jelinek break; 285989f2807SJerry Jelinek 286989f2807SJerry Jelinek case IPMICTL_RECEIVE_MSG_TRUNC_32: 287989f2807SJerry Jelinek case IPMICTL_RECEIVE_MSG_32: 288989f2807SJerry Jelinek if (copyin((void *)data, &recv32, sizeof (recv32))) 289989f2807SJerry Jelinek return (EFAULT); 290989f2807SJerry Jelinek 291989f2807SJerry Jelinek recv.addr = PTRIN(recv32.addr); 292989f2807SJerry Jelinek recv.addr_len = recv32.addr_len; 293989f2807SJerry Jelinek recv.msg.data_len = recv32.msg.data_len; 294989f2807SJerry Jelinek recv.msg.data = PTRIN(recv32.msg.data); 295989f2807SJerry Jelinek 296989f2807SJerry Jelinek orig_cmd = cmd; 297989f2807SJerry Jelinek cmd = (cmd == IPMICTL_RECEIVE_MSG_TRUNC_32) ? 298989f2807SJerry Jelinek IPMICTL_RECEIVE_MSG_TRUNC : IPMICTL_RECEIVE_MSG; 299989f2807SJerry Jelinek break; 300989f2807SJerry Jelinek } 301989f2807SJerry Jelinek } 302989f2807SJerry Jelinek 303989f2807SJerry Jelinek switch (cmd) { 304989f2807SJerry Jelinek case IPMICTL_SEND_COMMAND: 305989f2807SJerry Jelinek /* Check that we didn't get a ridiculous length */ 306989f2807SJerry Jelinek if (req.msg.data_len > IPMI_MAX_RX) 307989f2807SJerry Jelinek return (EINVAL); 308989f2807SJerry Jelinek 309989f2807SJerry Jelinek kreq = ipmi_alloc_request(dev, req.msgid, 310989f2807SJerry Jelinek IPMI_ADDR(req.msg.netfn, 0), req.msg.cmd, 311989f2807SJerry Jelinek req.msg.data_len, IPMI_MAX_RX); 312989f2807SJerry Jelinek /* This struct is the same for 32/64 */ 313989f2807SJerry Jelinek if (req.msg.data_len > 0 && 314989f2807SJerry Jelinek copyin(req.msg.data, kreq->ir_request, req.msg.data_len)) { 315989f2807SJerry Jelinek ipmi_free_request(kreq); 316989f2807SJerry Jelinek return (EFAULT); 317989f2807SJerry Jelinek } 318989f2807SJerry Jelinek IPMI_LOCK(sc); 319989f2807SJerry Jelinek dev->ipmi_requests++; 320989f2807SJerry Jelinek error = sc->ipmi_enqueue_request(sc, kreq); 321989f2807SJerry Jelinek IPMI_UNLOCK(sc); 322989f2807SJerry Jelinek if (error) 323989f2807SJerry Jelinek return (error); 324989f2807SJerry Jelinek break; 325989f2807SJerry Jelinek 326989f2807SJerry Jelinek case IPMICTL_RECEIVE_MSG_TRUNC: 327989f2807SJerry Jelinek case IPMICTL_RECEIVE_MSG: 328989f2807SJerry Jelinek /* This struct is the same for 32/64 */ 329989f2807SJerry Jelinek if (copyin(recv.addr, &addr, sizeof (addr))) 330989f2807SJerry Jelinek return (EFAULT); 331989f2807SJerry Jelinek 332989f2807SJerry Jelinek IPMI_LOCK(sc); 333989f2807SJerry Jelinek kreq = TAILQ_FIRST(&dev->ipmi_completed_requests); 334989f2807SJerry Jelinek if (kreq == NULL) { 335989f2807SJerry Jelinek IPMI_UNLOCK(sc); 336989f2807SJerry Jelinek return (EAGAIN); 337989f2807SJerry Jelinek } 338989f2807SJerry Jelinek addr.channel = IPMI_BMC_CHANNEL; 339989f2807SJerry Jelinek recv.recv_type = IPMI_RESPONSE_RECV_TYPE; 340989f2807SJerry Jelinek recv.msgid = kreq->ir_msgid; 341989f2807SJerry Jelinek recv.msg.netfn = IPMI_REPLY_ADDR(kreq->ir_addr) >> 2; 342989f2807SJerry Jelinek recv.msg.cmd = kreq->ir_command; 343989f2807SJerry Jelinek error = kreq->ir_error; 344989f2807SJerry Jelinek if (error) { 345989f2807SJerry Jelinek TAILQ_REMOVE(&dev->ipmi_completed_requests, kreq, 346989f2807SJerry Jelinek ir_link); 347989f2807SJerry Jelinek dev->ipmi_requests--; 348989f2807SJerry Jelinek IPMI_UNLOCK(sc); 349989f2807SJerry Jelinek ipmi_free_request(kreq); 350989f2807SJerry Jelinek return (error); 351989f2807SJerry Jelinek } 352989f2807SJerry Jelinek len = kreq->ir_replylen + 1; 353989f2807SJerry Jelinek if (recv.msg.data_len < len && cmd == IPMICTL_RECEIVE_MSG) { 354989f2807SJerry Jelinek IPMI_UNLOCK(sc); 355989f2807SJerry Jelinek return (EMSGSIZE); 356989f2807SJerry Jelinek } 357989f2807SJerry Jelinek TAILQ_REMOVE(&dev->ipmi_completed_requests, kreq, ir_link); 358989f2807SJerry Jelinek dev->ipmi_requests--; 359989f2807SJerry Jelinek IPMI_UNLOCK(sc); 360989f2807SJerry Jelinek len = min(recv.msg.data_len, len); 361989f2807SJerry Jelinek recv.msg.data_len = (unsigned short)len; 362989f2807SJerry Jelinek 363989f2807SJerry Jelinek if (orig_cmd == IPMICTL_RECEIVE_MSG_TRUNC_32 || 364989f2807SJerry Jelinek orig_cmd == IPMICTL_RECEIVE_MSG_32) { 365989f2807SJerry Jelinek /* Update changed fields in 32-bit structure. */ 366989f2807SJerry Jelinek recv32.recv_type = recv.recv_type; 367989f2807SJerry Jelinek recv32.msgid = (int32_t)recv.msgid; 368989f2807SJerry Jelinek recv32.msg.netfn = recv.msg.netfn; 369989f2807SJerry Jelinek recv32.msg.cmd = recv.msg.cmd; 370989f2807SJerry Jelinek recv32.msg.data_len = recv.msg.data_len; 371989f2807SJerry Jelinek 372989f2807SJerry Jelinek error = copyout(&recv32, (void *)data, sizeof (recv32)); 373989f2807SJerry Jelinek } else { 374989f2807SJerry Jelinek error = copyout(&recv, (void *)data, sizeof (recv)); 375989f2807SJerry Jelinek } 376989f2807SJerry Jelinek 377989f2807SJerry Jelinek /* This struct is the same for 32/64 */ 378989f2807SJerry Jelinek if (error == 0) 379989f2807SJerry Jelinek error = copyout(&addr, recv.addr, sizeof (addr)); 380989f2807SJerry Jelinek if (error == 0) 381989f2807SJerry Jelinek error = copyout(&kreq->ir_compcode, recv.msg.data, 1); 382989f2807SJerry Jelinek if (error == 0) 383989f2807SJerry Jelinek error = copyout(kreq->ir_reply, recv.msg.data + 1, 384989f2807SJerry Jelinek len - 1); 385989f2807SJerry Jelinek ipmi_free_request(kreq); 386989f2807SJerry Jelinek 387989f2807SJerry Jelinek if (error) 388989f2807SJerry Jelinek return (EFAULT); 389989f2807SJerry Jelinek 390989f2807SJerry Jelinek break; 391989f2807SJerry Jelinek 392989f2807SJerry Jelinek case IPMICTL_SET_MY_ADDRESS_CMD: 393989f2807SJerry Jelinek IPMI_LOCK(sc); 394989f2807SJerry Jelinek if (copyin((void *)data, &dev->ipmi_address, 395989f2807SJerry Jelinek sizeof (dev->ipmi_address))) { 396989f2807SJerry Jelinek IPMI_UNLOCK(sc); 397989f2807SJerry Jelinek return (EFAULT); 398989f2807SJerry Jelinek } 399989f2807SJerry Jelinek IPMI_UNLOCK(sc); 400989f2807SJerry Jelinek break; 401989f2807SJerry Jelinek 402989f2807SJerry Jelinek case IPMICTL_GET_MY_ADDRESS_CMD: 403989f2807SJerry Jelinek IPMI_LOCK(sc); 404989f2807SJerry Jelinek if (copyout(&dev->ipmi_address, (void *)data, 405989f2807SJerry Jelinek sizeof (dev->ipmi_address))) { 406989f2807SJerry Jelinek IPMI_UNLOCK(sc); 407989f2807SJerry Jelinek return (EFAULT); 408989f2807SJerry Jelinek } 409989f2807SJerry Jelinek IPMI_UNLOCK(sc); 410989f2807SJerry Jelinek break; 411989f2807SJerry Jelinek 412989f2807SJerry Jelinek case IPMICTL_SET_MY_LUN_CMD: 413989f2807SJerry Jelinek IPMI_LOCK(sc); 414989f2807SJerry Jelinek if (copyin((void *)data, &t_lun, sizeof (t_lun))) { 415989f2807SJerry Jelinek IPMI_UNLOCK(sc); 416989f2807SJerry Jelinek return (EFAULT); 417989f2807SJerry Jelinek } 418989f2807SJerry Jelinek dev->ipmi_lun = t_lun & 0x3; 419989f2807SJerry Jelinek IPMI_UNLOCK(sc); 420989f2807SJerry Jelinek break; 421989f2807SJerry Jelinek 422989f2807SJerry Jelinek case IPMICTL_GET_MY_LUN_CMD: 423989f2807SJerry Jelinek IPMI_LOCK(sc); 424989f2807SJerry Jelinek if (copyout(&dev->ipmi_lun, (void *)data, 425989f2807SJerry Jelinek sizeof (dev->ipmi_lun))) { 426989f2807SJerry Jelinek IPMI_UNLOCK(sc); 427989f2807SJerry Jelinek return (EFAULT); 428989f2807SJerry Jelinek } 429989f2807SJerry Jelinek IPMI_UNLOCK(sc); 430989f2807SJerry Jelinek break; 431989f2807SJerry Jelinek 432989f2807SJerry Jelinek case IPMICTL_SET_GETS_EVENTS_CMD: 433989f2807SJerry Jelinek break; 434989f2807SJerry Jelinek 435989f2807SJerry Jelinek case IPMICTL_REGISTER_FOR_CMD: 436989f2807SJerry Jelinek case IPMICTL_UNREGISTER_FOR_CMD: 437989f2807SJerry Jelinek return (EINVAL); 438989f2807SJerry Jelinek 439989f2807SJerry Jelinek default: 440989f2807SJerry Jelinek return (EINVAL); 441989f2807SJerry Jelinek } 442989f2807SJerry Jelinek 443989f2807SJerry Jelinek return (0); 444989f2807SJerry Jelinek } 445989f2807SJerry Jelinek 446989f2807SJerry Jelinek static int 447989f2807SJerry Jelinek ipmi_poll(dev_t dv, short events, int anyyet, short *reventsp, 448989f2807SJerry Jelinek pollhead_t **phpp) 449989f2807SJerry Jelinek { 450989f2807SJerry Jelinek struct ipmi_device *dev; 451989f2807SJerry Jelinek short revent = 0; 452989f2807SJerry Jelinek 453989f2807SJerry Jelinek if ((dev = lookup_ipmidev_by_dev(dv)) == NULL) 454989f2807SJerry Jelinek return (ENODEV); 455989f2807SJerry Jelinek 456989f2807SJerry Jelinek if (events & (POLLIN | POLLRDNORM)) { 457989f2807SJerry Jelinek if (!TAILQ_EMPTY(&dev->ipmi_completed_requests)) 458989f2807SJerry Jelinek revent |= events & (POLLIN | POLLRDNORM); 459989f2807SJerry Jelinek if (dev->ipmi_requests == 0) 460989f2807SJerry Jelinek revent |= POLLERR; 461989f2807SJerry Jelinek } 462989f2807SJerry Jelinek 463989f2807SJerry Jelinek if (revent == 0) { 464989f2807SJerry Jelinek /* nothing has occurred */ 465989f2807SJerry Jelinek if (!anyyet) 466989f2807SJerry Jelinek *phpp = dev->ipmi_pollhead; 467989f2807SJerry Jelinek } 468989f2807SJerry Jelinek 469989f2807SJerry Jelinek *reventsp = revent; 470989f2807SJerry Jelinek return (0); 471989f2807SJerry Jelinek } 472989f2807SJerry Jelinek 473989f2807SJerry Jelinek /*ARGSUSED*/ 474989f2807SJerry Jelinek static int 475989f2807SJerry Jelinek ipmi_info(dev_info_t *dip, ddi_info_cmd_t cmd, void *arg, void **resultp) 476989f2807SJerry Jelinek { 477989f2807SJerry Jelinek switch (cmd) { 478989f2807SJerry Jelinek case DDI_INFO_DEVT2DEVINFO: 479989f2807SJerry Jelinek *resultp = ipmi_dip; 480989f2807SJerry Jelinek return (DDI_SUCCESS); 481989f2807SJerry Jelinek case DDI_INFO_DEVT2INSTANCE: 482989f2807SJerry Jelinek *resultp = NULL; 483989f2807SJerry Jelinek return (DDI_SUCCESS); 484989f2807SJerry Jelinek } 485989f2807SJerry Jelinek return (DDI_FAILURE); 486989f2807SJerry Jelinek } 487989f2807SJerry Jelinek 4881e393477SMarcel Telka static void 4891e393477SMarcel Telka ipmi_cleanup(dev_info_t *dip) 4901e393477SMarcel Telka { 4911e393477SMarcel Telka /* poke the taskq so that it can terminate */ 4921e393477SMarcel Telka IPMI_LOCK(sc); 4931e393477SMarcel Telka sc->ipmi_detaching = 1; 4941e393477SMarcel Telka cv_signal(&sc->ipmi_request_added); 4951e393477SMarcel Telka IPMI_UNLOCK(sc); 4961e393477SMarcel Telka 4971e393477SMarcel Telka ipmi_shutdown(sc); 4981e393477SMarcel Telka ddi_remove_minor_node(dip, NULL); 4991e393477SMarcel Telka ipmi_dip = NULL; 5001e393477SMarcel Telka 501*164b0ee5SRobert Mustacchi mutex_destroy(&dev_list_lock); 5021e393477SMarcel Telka list_destroy(&dev_list); 5031e393477SMarcel Telka id_space_destroy(minor_ids); 5041e393477SMarcel Telka 5051e393477SMarcel Telka sc->ipmi_detaching = 0; 5061e393477SMarcel Telka } 5071e393477SMarcel Telka 508989f2807SJerry Jelinek static int 509989f2807SJerry Jelinek ipmi_attach(dev_info_t *dip, ddi_attach_cmd_t cmd) 510989f2807SJerry Jelinek { 511989f2807SJerry Jelinek if (cmd != DDI_ATTACH) 512989f2807SJerry Jelinek return (DDI_FAILURE); 513989f2807SJerry Jelinek 514e1c99a74SAlek Pinchuk /* this driver only supports one device instance */ 515e1c99a74SAlek Pinchuk if (ddi_get_instance(dip) != 0) { 516e1c99a74SAlek Pinchuk cmn_err(CE_WARN, 517e1c99a74SAlek Pinchuk "!not attaching to non-zero device instance %d", 518e1c99a74SAlek Pinchuk ddi_get_instance(dip)); 519e1c99a74SAlek Pinchuk return (DDI_FAILURE); 520e1c99a74SAlek Pinchuk } 521e1c99a74SAlek Pinchuk 522989f2807SJerry Jelinek if (get_smbios_ipmi_info() == DDI_FAILURE) 523989f2807SJerry Jelinek return (DDI_FAILURE); 524989f2807SJerry Jelinek 525989f2807SJerry Jelinek /* 526989f2807SJerry Jelinek * Support for the other types (SMIC, SSIF) should be added here. 527989f2807SJerry Jelinek */ 528989f2807SJerry Jelinek switch (sc->ipmi_io_type) { 529989f2807SJerry Jelinek case SMB_IPMI_T_KCS: 530989f2807SJerry Jelinek if (ipmi_kcs_attach(sc) != 0) 531989f2807SJerry Jelinek return (DDI_FAILURE); 532989f2807SJerry Jelinek break; 533989f2807SJerry Jelinek default: 534989f2807SJerry Jelinek return (DDI_FAILURE); 535989f2807SJerry Jelinek } 536989f2807SJerry Jelinek ipmi_found = B_TRUE; 537989f2807SJerry Jelinek 538989f2807SJerry Jelinek if (ddi_create_minor_node(dip, "ipmi", S_IFCHR, 0, DDI_PSEUDO, 539989f2807SJerry Jelinek 0) == DDI_FAILURE) { 540989f2807SJerry Jelinek cmn_err(CE_WARN, "!attach could not create minor node"); 541989f2807SJerry Jelinek ddi_remove_minor_node(dip, NULL); 542989f2807SJerry Jelinek return (DDI_FAILURE); 543989f2807SJerry Jelinek } 544989f2807SJerry Jelinek 545989f2807SJerry Jelinek ipmi_dip = dip; 546989f2807SJerry Jelinek 547989f2807SJerry Jelinek list_create(&dev_list, sizeof (ipmi_device_t), 548989f2807SJerry Jelinek offsetof(ipmi_device_t, ipmi_node)); 549*164b0ee5SRobert Mustacchi mutex_init(&dev_list_lock, NULL, MUTEX_DRIVER, NULL); 550989f2807SJerry Jelinek 551989f2807SJerry Jelinek /* Create ID space for open devs. ID 0 is reserved. */ 552989f2807SJerry Jelinek minor_ids = id_space_create("ipmi_id_space", 1, 128); 553989f2807SJerry Jelinek 554e1c99a74SAlek Pinchuk if (ipmi_startup(sc) != B_TRUE) { 5551e393477SMarcel Telka ipmi_cleanup(dip); 556e1c99a74SAlek Pinchuk return (DDI_FAILURE); 557e1c99a74SAlek Pinchuk } 558e1c99a74SAlek Pinchuk 559989f2807SJerry Jelinek ipmi_attached = B_TRUE; 560989f2807SJerry Jelinek 561989f2807SJerry Jelinek return (DDI_SUCCESS); 562989f2807SJerry Jelinek } 563989f2807SJerry Jelinek 564989f2807SJerry Jelinek static int 565989f2807SJerry Jelinek ipmi_detach(dev_info_t *dip, ddi_detach_cmd_t cmd) 566989f2807SJerry Jelinek { 567989f2807SJerry Jelinek if (cmd != DDI_DETACH) 568989f2807SJerry Jelinek return (DDI_FAILURE); 569989f2807SJerry Jelinek 570989f2807SJerry Jelinek if (ipmi_found == B_FALSE) 571989f2807SJerry Jelinek return (DDI_SUCCESS); 572989f2807SJerry Jelinek 573*164b0ee5SRobert Mustacchi mutex_enter(&dev_list_lock); 574*164b0ee5SRobert Mustacchi if (!list_is_empty(&dev_list)) { 575*164b0ee5SRobert Mustacchi mutex_exit(&dev_list_lock); 576989f2807SJerry Jelinek return (DDI_FAILURE); 577*164b0ee5SRobert Mustacchi } 578*164b0ee5SRobert Mustacchi mutex_exit(&dev_list_lock); 579989f2807SJerry Jelinek 5801e393477SMarcel Telka ipmi_cleanup(dip); 581989f2807SJerry Jelinek 582989f2807SJerry Jelinek ipmi_attached = B_FALSE; 583989f2807SJerry Jelinek return (DDI_SUCCESS); 584989f2807SJerry Jelinek } 585989f2807SJerry Jelinek 586989f2807SJerry Jelinek static struct cb_ops ipmi_cb_ops = { 587989f2807SJerry Jelinek ipmi_open, 588989f2807SJerry Jelinek ipmi_close, 589989f2807SJerry Jelinek nodev, /* strategy */ 590989f2807SJerry Jelinek nodev, /* print */ 591989f2807SJerry Jelinek nodev, /* dump */ 592989f2807SJerry Jelinek nodev, /* read */ 593989f2807SJerry Jelinek nodev, /* write */ 594989f2807SJerry Jelinek ipmi_ioctl, 595989f2807SJerry Jelinek nodev, /* devmap */ 596989f2807SJerry Jelinek nodev, /* mmap */ 597989f2807SJerry Jelinek nodev, /* segmap */ 598989f2807SJerry Jelinek ipmi_poll, 599989f2807SJerry Jelinek ddi_prop_op, 600989f2807SJerry Jelinek NULL, /* streamtab */ 601e1c99a74SAlek Pinchuk D_NEW | D_MP, /* flags */ 602e1c99a74SAlek Pinchuk CB_REV, 603e1c99a74SAlek Pinchuk nodev, /* awread */ 604e1c99a74SAlek Pinchuk nodev /* awrite */ 605989f2807SJerry Jelinek }; 606989f2807SJerry Jelinek 607989f2807SJerry Jelinek static struct dev_ops ipmi_ops = { 608989f2807SJerry Jelinek DEVO_REV, 609989f2807SJerry Jelinek 0, /* reference count */ 610989f2807SJerry Jelinek ipmi_info, 611989f2807SJerry Jelinek nulldev, /* identify */ 612989f2807SJerry Jelinek nulldev, /* probe */ 613989f2807SJerry Jelinek ipmi_attach, 614989f2807SJerry Jelinek ipmi_detach, 615989f2807SJerry Jelinek nodev, /* reset */ 616989f2807SJerry Jelinek &ipmi_cb_ops, 617989f2807SJerry Jelinek NULL, /* bus ops */ 618989f2807SJerry Jelinek NULL, /* power */ 619989f2807SJerry Jelinek ddi_quiesce_not_needed, 620989f2807SJerry Jelinek }; 621989f2807SJerry Jelinek 622989f2807SJerry Jelinek static struct modldrv md = { 623989f2807SJerry Jelinek &mod_driverops, "ipmi driver", &ipmi_ops 624989f2807SJerry Jelinek }; 625989f2807SJerry Jelinek 626989f2807SJerry Jelinek static struct modlinkage ml = { 627989f2807SJerry Jelinek MODREV_1, &md, NULL 628989f2807SJerry Jelinek }; 629989f2807SJerry Jelinek 630989f2807SJerry Jelinek int 631989f2807SJerry Jelinek _init(void) 632989f2807SJerry Jelinek { 633989f2807SJerry Jelinek return (mod_install(&ml)); 634989f2807SJerry Jelinek } 635989f2807SJerry Jelinek 636989f2807SJerry Jelinek int 637989f2807SJerry Jelinek _fini(void) 638989f2807SJerry Jelinek { 639989f2807SJerry Jelinek return (mod_remove(&ml)); 640989f2807SJerry Jelinek } 641989f2807SJerry Jelinek 642989f2807SJerry Jelinek int 643989f2807SJerry Jelinek _info(struct modinfo *mip) 644989f2807SJerry Jelinek { 645989f2807SJerry Jelinek return (mod_info(&ml, mip)); 646989f2807SJerry Jelinek } 647