/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2009 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* * These functions are used to encode SAS SMP address data into * Solaris devid / guid values. */ #ifndef _KERNEL #include #endif /* _KERNEL */ #include #include #include #include #include #include #include #include #include #ifndef _KERNEL #include #endif /* !_KERNEL */ #include "devid_impl.h" /* * Typically the wwnstr makes a good devid, however in some cases the wwnstr * comes form the location of a FRU in the chassis instead of from the identity * of the FRU. The table below provides vid/pid information for such cases. * These vidpid strings are matched against smp_report_manufacturer_info_resp * data. When a match occurs the srmir_vs_52 field, if non-zero, is used * to form the devid. */ char *vidpid_devid_from_srmir_vs_52[] = { /* " 111111" */ /* "012345670123456789012345" */ /* "|-VID--||-----PID------|" */ "SUN GENESIS", NULL }; /* * Function: ddi_/devid_smp_encode * * Description: This routine finds and encodes a unique devid given the * SAS address of an SMP node. * * Arguments: version - id encode algorithm version * driver_name - binding driver name (if ! known use NULL) * wwnstr - smp SAS address in wwnstr (unit-address) form. * srmir_buf - REPORT MANUFACTURER INFORMATION response. * srmir_len - amount of srmir_buf data. * devid - id returned * * Return Code: DEVID_SUCCESS - success * DEVID_FAILURE - failure */ int #ifdef _KERNEL ddi_devid_smp_encode( #else /* ! _KERNEL */ devid_smp_encode( #endif /* _KERNEL */ int version, /* IN */ char *driver_name, /* IN */ char *wwnstr, /* IN */ uchar_t *srmir_buf, /* IN */ size_t srmir_len, /* IN */ ddi_devid_t *devid) /* OUT */ { uint64_t wwn; ushort_t raw_id_type; ushort_t raw_id_len; impl_devid_t *i_devid; int i_devid_len; int i; smp_response_frame_t *srs; smp_report_manufacturer_info_resp_t *srmir; char **vidpid; uint8_t *vsp; uint64_t s; char sbuf[16 + 1]; int vlen, plen, slen; int driver_name_len = 0; DEVID_ASSERT(devid != NULL); *devid = NULL; /* verify valid version */ if (version > DEVID_SMP_ENCODE_VERSION_LATEST) return (DEVID_FAILURE); if (wwnstr == NULL) return (DEVID_FAILURE); /* convert wwnstr to binary */ if (scsi_wwnstr_to_wwn(wwnstr, &wwn) != DDI_SUCCESS) return (DEVID_FAILURE); if (srmir_buf && (srmir_len >= ((sizeof (*srs) - sizeof (srs->srf_data)) + sizeof (*srmir)))) { srs = (smp_response_frame_t *)srmir_buf; srmir = (smp_report_manufacturer_info_resp_t *)srs->srf_data; for (vidpid = vidpid_devid_from_srmir_vs_52; *vidpid; vidpid++) if (strncmp(srmir->srmir_vendor_identification, *vidpid, strlen(*vidpid)) == 0) break; /* no vid/pid match, use wwn for devid */ if (*vidpid == NULL) goto usewwn; /* extract the special vendor-specific 'devid serial number' */ vsp = &srmir->srmir_vs_52[0]; s = ((uint64_t)vsp[0] << 56) | ((uint64_t)vsp[1] << 48) | ((uint64_t)vsp[2] << 40) | ((uint64_t)vsp[3] << 32) | ((uint64_t)vsp[4] << 24) | ((uint64_t)vsp[5] << 16) | ((uint64_t)vsp[6] << 8) | ((uint64_t)vsp[7]); /* discount zero value */ if (s == 0) goto usewwn; /* compute length (with trailing spaces removed) */ vlen = scsi_ascii_inquiry_len( srmir->srmir_vendor_identification, sizeof (srmir->srmir_vendor_identification)); plen = scsi_ascii_inquiry_len( srmir->srmir_product_identification, sizeof (srmir->srmir_product_identification)); slen = snprintf(sbuf, sizeof (sbuf), "%016" PRIx64, s); if ((vlen <= 0) || (plen <= 0) || ((slen + 1) != sizeof (sbuf))) goto usewwn; /* this is most like a devid formed from inquiry data */ raw_id_type = DEVID_SCSI_SERIAL; raw_id_len = vlen + 1 + plen + 1 + slen; i_devid_len = sizeof (*i_devid) + raw_id_len - sizeof (i_devid->did_id); if ((i_devid = DEVID_MALLOC(i_devid_len)) == NULL) return (DEVID_FAILURE); bzero(i_devid, i_devid_len); /* copy the vid to the beginning */ bcopy(&srmir->srmir_vendor_identification, &i_devid->did_id[0], vlen); i_devid->did_id[vlen] = '.'; /* copy the pid after the "vid." */ bcopy(&srmir->srmir_product_identification, &i_devid->did_id[vlen + 1], plen); i_devid->did_id[vlen + 1 + plen] = '.'; /* place the 'devid serial number' buffer the "vid.pid." */ bcopy(sbuf, &i_devid->did_id[vlen + 1 + plen + 1], slen); } else { usewwn: raw_id_type = DEVID_SCSI3_WWN; raw_id_len = sizeof (wwn); i_devid_len = sizeof (*i_devid) + raw_id_len - sizeof (i_devid->did_id); if ((i_devid = DEVID_MALLOC(i_devid_len)) == NULL) return (DEVID_FAILURE); bzero(i_devid, i_devid_len); /* binary devid stores wwn bytes in big-endian order */ for (i = 0; i < sizeof (wwn); i++) i_devid->did_id[i] = (wwn >> ((sizeof (wwn) * 8) - ((i + 1) * 8))) & 0xFF; } i_devid->did_magic_hi = DEVID_MAGIC_MSB; i_devid->did_magic_lo = DEVID_MAGIC_LSB; i_devid->did_rev_hi = DEVID_REV_MSB; i_devid->did_rev_lo = DEVID_REV_LSB; DEVID_FORMTYPE(i_devid, raw_id_type); DEVID_FORMLEN(i_devid, raw_id_len); /* fill in driver name hint */ bzero(i_devid->did_driver, DEVID_HINT_SIZE); if (driver_name != NULL) { driver_name_len = strlen(driver_name); if (driver_name_len > DEVID_HINT_SIZE) { /* pick up last four characters of driver name */ driver_name += driver_name_len - DEVID_HINT_SIZE; driver_name_len = DEVID_HINT_SIZE; } bcopy(driver_name, i_devid->did_driver, driver_name_len); } /* return device id */ *devid = (ddi_devid_t)i_devid; return (DEVID_SUCCESS); }