kernel.c revision 330449
1255570Strasz/*- 2330449Seadler * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3330449Seadler * 4255570Strasz * Copyright (c) 2003, 2004 Silicon Graphics International Corp. 5255570Strasz * Copyright (c) 1997-2007 Kenneth D. Merry 6255570Strasz * Copyright (c) 2012 The FreeBSD Foundation 7255570Strasz * All rights reserved. 8255570Strasz * 9255570Strasz * Portions of this software were developed by Edward Tomasz Napierala 10255570Strasz * under sponsorship from the FreeBSD Foundation. 11255570Strasz * 12255570Strasz * Redistribution and use in source and binary forms, with or without 13255570Strasz * modification, are permitted provided that the following conditions 14255570Strasz * are met: 15255570Strasz * 1. Redistributions of source code must retain the above copyright 16255570Strasz * notice, this list of conditions, and the following disclaimer, 17255570Strasz * without modification. 18255570Strasz * 2. Redistributions in binary form must reproduce at minimum a disclaimer 19255570Strasz * substantially similar to the "NO WARRANTY" disclaimer below 20255570Strasz * ("Disclaimer") and any redistribution must be conditioned upon 21255570Strasz * including a substantially similar Disclaimer requirement for further 22255570Strasz * binary redistribution. 23255570Strasz * 24255570Strasz * NO WARRANTY 25255570Strasz * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 26255570Strasz * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 27255570Strasz * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 28255570Strasz * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 29255570Strasz * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30255570Strasz * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31255570Strasz * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32255570Strasz * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 33255570Strasz * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 34255570Strasz * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35255570Strasz * POSSIBILITY OF SUCH DAMAGES. 36255570Strasz * 37255570Strasz */ 38255570Strasz 39270279Strasz#include <sys/cdefs.h> 40270279Strasz__FBSDID("$FreeBSD: stable/11/usr.sbin/ctld/kernel.c 330449 2018-03-05 07:26:05Z eadler $"); 41270279Strasz 42316252Sngie#include <sys/param.h> 43316252Sngie#include <sys/capsicum.h> 44316252Sngie#include <sys/callout.h> 45255570Strasz#include <sys/ioctl.h> 46255570Strasz#include <sys/linker.h> 47319152Sngie#include <sys/module.h> 48255570Strasz#include <sys/queue.h> 49255570Strasz#include <sys/sbuf.h> 50316252Sngie#include <sys/stat.h> 51255570Strasz#include <assert.h> 52255570Strasz#include <bsdxml.h> 53255570Strasz#include <ctype.h> 54255570Strasz#include <errno.h> 55255570Strasz#include <fcntl.h> 56255570Strasz#include <stdint.h> 57255570Strasz#include <stdio.h> 58255570Strasz#include <stdlib.h> 59255570Strasz#include <string.h> 60255570Strasz#include <strings.h> 61255570Strasz#include <cam/scsi/scsi_all.h> 62255570Strasz#include <cam/scsi/scsi_message.h> 63255570Strasz#include <cam/ctl/ctl.h> 64255570Strasz#include <cam/ctl/ctl_io.h> 65255570Strasz#include <cam/ctl/ctl_backend.h> 66255570Strasz#include <cam/ctl/ctl_ioctl.h> 67255570Strasz#include <cam/ctl/ctl_util.h> 68255570Strasz#include <cam/ctl/ctl_scsi_all.h> 69255570Strasz 70264524Strasz#include "ctld.h" 71264524Strasz 72255570Strasz#ifdef ICL_KERNEL_PROXY 73255570Strasz#include <netdb.h> 74255570Strasz#endif 75255570Strasz 76264524Straszextern bool proxy_mode; 77255570Strasz 78255570Straszstatic int ctl_fd = 0; 79255570Strasz 80255570Straszvoid 81255570Straszkernel_init(void) 82255570Strasz{ 83255570Strasz int retval, saved_errno; 84255570Strasz 85255570Strasz ctl_fd = open(CTL_DEFAULT_DEV, O_RDWR); 86255665Strasz if (ctl_fd < 0 && errno == ENOENT) { 87255570Strasz saved_errno = errno; 88255570Strasz retval = kldload("ctl"); 89255570Strasz if (retval != -1) 90255570Strasz ctl_fd = open(CTL_DEFAULT_DEV, O_RDWR); 91255570Strasz else 92255570Strasz errno = saved_errno; 93255570Strasz } 94255570Strasz if (ctl_fd < 0) 95255570Strasz log_err(1, "failed to open %s", CTL_DEFAULT_DEV); 96319152Sngie#ifdef WANT_ISCSI 97319152Sngie else { 98319152Sngie saved_errno = errno; 99319152Sngie if (modfind("cfiscsi") == -1 && kldload("cfiscsi") == -1) 100319152Sngie log_warn("couldn't load cfiscsi"); 101319152Sngie errno = saved_errno; 102319152Sngie } 103319152Sngie#endif 104255570Strasz} 105255570Strasz 106255570Strasz/* 107255570Strasz * Name/value pair used for per-LUN attributes. 108255570Strasz */ 109255570Straszstruct cctl_lun_nv { 110255570Strasz char *name; 111255570Strasz char *value; 112255570Strasz STAILQ_ENTRY(cctl_lun_nv) links; 113255570Strasz}; 114255570Strasz 115255570Strasz/* 116273464Strasz * Backend LUN information. 117255570Strasz */ 118255570Straszstruct cctl_lun { 119255570Strasz uint64_t lun_id; 120255570Strasz char *backend_type; 121288310Smav uint8_t device_type; 122255570Strasz uint64_t size_blocks; 123255570Strasz uint32_t blocksize; 124255570Strasz char *serial_number; 125255570Strasz char *device_id; 126278037Smav char *ctld_name; 127255570Strasz STAILQ_HEAD(,cctl_lun_nv) attr_list; 128255570Strasz STAILQ_ENTRY(cctl_lun) links; 129255570Strasz}; 130255570Strasz 131268291Smavstruct cctl_port { 132268291Smav uint32_t port_id; 133288061Smav char *port_frontend; 134278354Smav char *port_name; 135284765Smav int pp; 136284765Smav int vp; 137278322Smav int cfiscsi_state; 138268291Smav char *cfiscsi_target; 139268291Smav uint16_t cfiscsi_portal_group_tag; 140278322Smav char *ctld_portal_group_name; 141268291Smav STAILQ_HEAD(,cctl_lun_nv) attr_list; 142268291Smav STAILQ_ENTRY(cctl_port) links; 143268291Smav}; 144268291Smav 145255570Straszstruct cctl_devlist_data { 146255570Strasz int num_luns; 147255570Strasz STAILQ_HEAD(,cctl_lun) lun_list; 148255570Strasz struct cctl_lun *cur_lun; 149268291Smav int num_ports; 150268291Smav STAILQ_HEAD(,cctl_port) port_list; 151268291Smav struct cctl_port *cur_port; 152255570Strasz int level; 153255570Strasz struct sbuf *cur_sb[32]; 154255570Strasz}; 155255570Strasz 156255570Straszstatic void 157255570Straszcctl_start_element(void *user_data, const char *name, const char **attr) 158255570Strasz{ 159255570Strasz int i; 160255570Strasz struct cctl_devlist_data *devlist; 161255570Strasz struct cctl_lun *cur_lun; 162255570Strasz 163255570Strasz devlist = (struct cctl_devlist_data *)user_data; 164255570Strasz cur_lun = devlist->cur_lun; 165255570Strasz devlist->level++; 166256189Strasz if ((u_int)devlist->level >= (sizeof(devlist->cur_sb) / 167255570Strasz sizeof(devlist->cur_sb[0]))) 168255570Strasz log_errx(1, "%s: too many nesting levels, %zd max", __func__, 169255570Strasz sizeof(devlist->cur_sb) / sizeof(devlist->cur_sb[0])); 170255570Strasz 171255570Strasz devlist->cur_sb[devlist->level] = sbuf_new_auto(); 172255570Strasz if (devlist->cur_sb[devlist->level] == NULL) 173255570Strasz log_err(1, "%s: unable to allocate sbuf", __func__); 174255570Strasz 175255570Strasz if (strcmp(name, "lun") == 0) { 176255570Strasz if (cur_lun != NULL) 177255570Strasz log_errx(1, "%s: improper lun element nesting", 178255570Strasz __func__); 179255570Strasz 180255570Strasz cur_lun = calloc(1, sizeof(*cur_lun)); 181255570Strasz if (cur_lun == NULL) 182255570Strasz log_err(1, "%s: cannot allocate %zd bytes", __func__, 183255570Strasz sizeof(*cur_lun)); 184255570Strasz 185255570Strasz devlist->num_luns++; 186255570Strasz devlist->cur_lun = cur_lun; 187255570Strasz 188255570Strasz STAILQ_INIT(&cur_lun->attr_list); 189255570Strasz STAILQ_INSERT_TAIL(&devlist->lun_list, cur_lun, links); 190255570Strasz 191255570Strasz for (i = 0; attr[i] != NULL; i += 2) { 192255570Strasz if (strcmp(attr[i], "id") == 0) { 193255570Strasz cur_lun->lun_id = strtoull(attr[i+1], NULL, 0); 194255570Strasz } else { 195255570Strasz log_errx(1, "%s: invalid LUN attribute %s = %s", 196255570Strasz __func__, attr[i], attr[i+1]); 197255570Strasz } 198255570Strasz } 199255570Strasz } 200255570Strasz} 201255570Strasz 202255570Straszstatic void 203255570Straszcctl_end_element(void *user_data, const char *name) 204255570Strasz{ 205255570Strasz struct cctl_devlist_data *devlist; 206255570Strasz struct cctl_lun *cur_lun; 207255570Strasz char *str; 208255570Strasz 209255570Strasz devlist = (struct cctl_devlist_data *)user_data; 210255570Strasz cur_lun = devlist->cur_lun; 211255570Strasz 212255570Strasz if ((cur_lun == NULL) 213255570Strasz && (strcmp(name, "ctllunlist") != 0)) 214255570Strasz log_errx(1, "%s: cur_lun == NULL! (name = %s)", __func__, name); 215255570Strasz 216255570Strasz if (devlist->cur_sb[devlist->level] == NULL) 217255570Strasz log_errx(1, "%s: no valid sbuf at level %d (name %s)", __func__, 218255570Strasz devlist->level, name); 219255570Strasz 220255570Strasz sbuf_finish(devlist->cur_sb[devlist->level]); 221255570Strasz str = checked_strdup(sbuf_data(devlist->cur_sb[devlist->level])); 222255570Strasz 223255570Strasz if (strlen(str) == 0) { 224255570Strasz free(str); 225255570Strasz str = NULL; 226255570Strasz } 227255570Strasz 228255570Strasz sbuf_delete(devlist->cur_sb[devlist->level]); 229255570Strasz devlist->cur_sb[devlist->level] = NULL; 230255570Strasz devlist->level--; 231255570Strasz 232255570Strasz if (strcmp(name, "backend_type") == 0) { 233255570Strasz cur_lun->backend_type = str; 234255570Strasz str = NULL; 235288310Smav } else if (strcmp(name, "lun_type") == 0) { 236288310Smav cur_lun->device_type = strtoull(str, NULL, 0); 237255570Strasz } else if (strcmp(name, "size") == 0) { 238255570Strasz cur_lun->size_blocks = strtoull(str, NULL, 0); 239255570Strasz } else if (strcmp(name, "blocksize") == 0) { 240255570Strasz cur_lun->blocksize = strtoul(str, NULL, 0); 241255570Strasz } else if (strcmp(name, "serial_number") == 0) { 242255570Strasz cur_lun->serial_number = str; 243255570Strasz str = NULL; 244255570Strasz } else if (strcmp(name, "device_id") == 0) { 245255570Strasz cur_lun->device_id = str; 246255570Strasz str = NULL; 247278037Smav } else if (strcmp(name, "ctld_name") == 0) { 248278037Smav cur_lun->ctld_name = str; 249255570Strasz str = NULL; 250255570Strasz } else if (strcmp(name, "lun") == 0) { 251255570Strasz devlist->cur_lun = NULL; 252255570Strasz } else if (strcmp(name, "ctllunlist") == 0) { 253273464Strasz /* Nothing. */ 254255570Strasz } else { 255255570Strasz struct cctl_lun_nv *nv; 256255570Strasz 257255570Strasz nv = calloc(1, sizeof(*nv)); 258255570Strasz if (nv == NULL) 259255570Strasz log_err(1, "%s: can't allocate %zd bytes for nv pair", 260255570Strasz __func__, sizeof(*nv)); 261255570Strasz 262255570Strasz nv->name = checked_strdup(name); 263255570Strasz 264255570Strasz nv->value = str; 265255570Strasz str = NULL; 266255570Strasz STAILQ_INSERT_TAIL(&cur_lun->attr_list, nv, links); 267255570Strasz } 268255570Strasz 269255570Strasz free(str); 270255570Strasz} 271255570Strasz 272255570Straszstatic void 273268291Smavcctl_start_pelement(void *user_data, const char *name, const char **attr) 274268291Smav{ 275268291Smav int i; 276268291Smav struct cctl_devlist_data *devlist; 277268291Smav struct cctl_port *cur_port; 278268291Smav 279268291Smav devlist = (struct cctl_devlist_data *)user_data; 280268291Smav cur_port = devlist->cur_port; 281268291Smav devlist->level++; 282268291Smav if ((u_int)devlist->level >= (sizeof(devlist->cur_sb) / 283268291Smav sizeof(devlist->cur_sb[0]))) 284268291Smav log_errx(1, "%s: too many nesting levels, %zd max", __func__, 285268291Smav sizeof(devlist->cur_sb) / sizeof(devlist->cur_sb[0])); 286268291Smav 287268291Smav devlist->cur_sb[devlist->level] = sbuf_new_auto(); 288268291Smav if (devlist->cur_sb[devlist->level] == NULL) 289268291Smav log_err(1, "%s: unable to allocate sbuf", __func__); 290268291Smav 291268291Smav if (strcmp(name, "targ_port") == 0) { 292268291Smav if (cur_port != NULL) 293268291Smav log_errx(1, "%s: improper port element nesting (%s)", 294268291Smav __func__, name); 295268291Smav 296268291Smav cur_port = calloc(1, sizeof(*cur_port)); 297268291Smav if (cur_port == NULL) 298268291Smav log_err(1, "%s: cannot allocate %zd bytes", __func__, 299268291Smav sizeof(*cur_port)); 300268291Smav 301268291Smav devlist->num_ports++; 302268291Smav devlist->cur_port = cur_port; 303268291Smav 304268291Smav STAILQ_INIT(&cur_port->attr_list); 305268291Smav STAILQ_INSERT_TAIL(&devlist->port_list, cur_port, links); 306268291Smav 307268291Smav for (i = 0; attr[i] != NULL; i += 2) { 308268291Smav if (strcmp(attr[i], "id") == 0) { 309268291Smav cur_port->port_id = strtoul(attr[i+1], NULL, 0); 310268291Smav } else { 311268291Smav log_errx(1, "%s: invalid LUN attribute %s = %s", 312268291Smav __func__, attr[i], attr[i+1]); 313268291Smav } 314268291Smav } 315268291Smav } 316268291Smav} 317268291Smav 318268291Smavstatic void 319268291Smavcctl_end_pelement(void *user_data, const char *name) 320268291Smav{ 321268291Smav struct cctl_devlist_data *devlist; 322268291Smav struct cctl_port *cur_port; 323268291Smav char *str; 324268291Smav 325268291Smav devlist = (struct cctl_devlist_data *)user_data; 326268291Smav cur_port = devlist->cur_port; 327268291Smav 328268291Smav if ((cur_port == NULL) 329268291Smav && (strcmp(name, "ctlportlist") != 0)) 330268291Smav log_errx(1, "%s: cur_port == NULL! (name = %s)", __func__, name); 331268291Smav 332268291Smav if (devlist->cur_sb[devlist->level] == NULL) 333268291Smav log_errx(1, "%s: no valid sbuf at level %d (name %s)", __func__, 334268291Smav devlist->level, name); 335268291Smav 336268291Smav sbuf_finish(devlist->cur_sb[devlist->level]); 337268291Smav str = checked_strdup(sbuf_data(devlist->cur_sb[devlist->level])); 338268291Smav 339268291Smav if (strlen(str) == 0) { 340268291Smav free(str); 341268291Smav str = NULL; 342268291Smav } 343268291Smav 344268291Smav sbuf_delete(devlist->cur_sb[devlist->level]); 345268291Smav devlist->cur_sb[devlist->level] = NULL; 346268291Smav devlist->level--; 347268291Smav 348288061Smav if (strcmp(name, "frontend_type") == 0) { 349288061Smav cur_port->port_frontend = str; 350288061Smav str = NULL; 351288061Smav } else if (strcmp(name, "port_name") == 0) { 352278354Smav cur_port->port_name = str; 353278354Smav str = NULL; 354284765Smav } else if (strcmp(name, "physical_port") == 0) { 355284765Smav cur_port->pp = strtoul(str, NULL, 0); 356284765Smav } else if (strcmp(name, "virtual_port") == 0) { 357284765Smav cur_port->vp = strtoul(str, NULL, 0); 358278354Smav } else if (strcmp(name, "cfiscsi_target") == 0) { 359268291Smav cur_port->cfiscsi_target = str; 360268291Smav str = NULL; 361278322Smav } else if (strcmp(name, "cfiscsi_state") == 0) { 362278322Smav cur_port->cfiscsi_state = strtoul(str, NULL, 0); 363268291Smav } else if (strcmp(name, "cfiscsi_portal_group_tag") == 0) { 364268291Smav cur_port->cfiscsi_portal_group_tag = strtoul(str, NULL, 0); 365278322Smav } else if (strcmp(name, "ctld_portal_group_name") == 0) { 366278322Smav cur_port->ctld_portal_group_name = str; 367278322Smav str = NULL; 368268291Smav } else if (strcmp(name, "targ_port") == 0) { 369268291Smav devlist->cur_port = NULL; 370268291Smav } else if (strcmp(name, "ctlportlist") == 0) { 371273464Strasz /* Nothing. */ 372268291Smav } else { 373268291Smav struct cctl_lun_nv *nv; 374268291Smav 375268291Smav nv = calloc(1, sizeof(*nv)); 376268291Smav if (nv == NULL) 377268291Smav log_err(1, "%s: can't allocate %zd bytes for nv pair", 378268291Smav __func__, sizeof(*nv)); 379268291Smav 380268291Smav nv->name = checked_strdup(name); 381268291Smav 382268291Smav nv->value = str; 383268291Smav str = NULL; 384268291Smav STAILQ_INSERT_TAIL(&cur_port->attr_list, nv, links); 385268291Smav } 386268291Smav 387268291Smav free(str); 388268291Smav} 389268291Smav 390268291Smavstatic void 391255570Straszcctl_char_handler(void *user_data, const XML_Char *str, int len) 392255570Strasz{ 393255570Strasz struct cctl_devlist_data *devlist; 394255570Strasz 395255570Strasz devlist = (struct cctl_devlist_data *)user_data; 396255570Strasz 397255570Strasz sbuf_bcat(devlist->cur_sb[devlist->level], str, len); 398255570Strasz} 399255570Strasz 400255570Straszstruct conf * 401255570Straszconf_new_from_kernel(void) 402255570Strasz{ 403255570Strasz struct conf *conf = NULL; 404255570Strasz struct target *targ; 405278322Smav struct portal_group *pg; 406278354Smav struct pport *pp; 407278322Smav struct port *cp; 408255570Strasz struct lun *cl; 409290615Smav struct option *o; 410255570Strasz struct ctl_lun_list list; 411255570Strasz struct cctl_devlist_data devlist; 412255570Strasz struct cctl_lun *lun; 413268291Smav struct cctl_port *port; 414255570Strasz XML_Parser parser; 415284765Smav char *str, *name; 416268291Smav int len, retval; 417255570Strasz 418255570Strasz bzero(&devlist, sizeof(devlist)); 419255570Strasz STAILQ_INIT(&devlist.lun_list); 420268291Smav STAILQ_INIT(&devlist.port_list); 421255570Strasz 422255570Strasz log_debugx("obtaining previously configured CTL luns from the kernel"); 423255570Strasz 424268291Smav str = NULL; 425268291Smav len = 4096; 426255570Straszretry: 427268291Smav str = realloc(str, len); 428268291Smav if (str == NULL) 429255570Strasz log_err(1, "realloc"); 430255570Strasz 431255570Strasz bzero(&list, sizeof(list)); 432268291Smav list.alloc_len = len; 433255570Strasz list.status = CTL_LUN_LIST_NONE; 434268291Smav list.lun_xml = str; 435255570Strasz 436255570Strasz if (ioctl(ctl_fd, CTL_LUN_LIST, &list) == -1) { 437255570Strasz log_warn("error issuing CTL_LUN_LIST ioctl"); 438268291Smav free(str); 439255570Strasz return (NULL); 440255570Strasz } 441255570Strasz 442255570Strasz if (list.status == CTL_LUN_LIST_ERROR) { 443255570Strasz log_warnx("error returned from CTL_LUN_LIST ioctl: %s", 444255570Strasz list.error_str); 445268291Smav free(str); 446255570Strasz return (NULL); 447255570Strasz } 448255570Strasz 449255570Strasz if (list.status == CTL_LUN_LIST_NEED_MORE_SPACE) { 450268291Smav len = len << 1; 451255570Strasz goto retry; 452255570Strasz } 453255570Strasz 454255570Strasz parser = XML_ParserCreate(NULL); 455255570Strasz if (parser == NULL) { 456255570Strasz log_warnx("unable to create XML parser"); 457268291Smav free(str); 458255570Strasz return (NULL); 459255570Strasz } 460255570Strasz 461255570Strasz XML_SetUserData(parser, &devlist); 462255570Strasz XML_SetElementHandler(parser, cctl_start_element, cctl_end_element); 463255570Strasz XML_SetCharacterDataHandler(parser, cctl_char_handler); 464255570Strasz 465268291Smav retval = XML_Parse(parser, str, strlen(str), 1); 466255570Strasz XML_ParserFree(parser); 467268291Smav free(str); 468255570Strasz if (retval != 1) { 469255570Strasz log_warnx("XML_Parse failed"); 470255570Strasz return (NULL); 471255570Strasz } 472255570Strasz 473268291Smav str = NULL; 474268291Smav len = 4096; 475268291Smavretry_port: 476268291Smav str = realloc(str, len); 477268291Smav if (str == NULL) 478268291Smav log_err(1, "realloc"); 479268291Smav 480268291Smav bzero(&list, sizeof(list)); 481268291Smav list.alloc_len = len; 482268291Smav list.status = CTL_LUN_LIST_NONE; 483268291Smav list.lun_xml = str; 484268291Smav 485268291Smav if (ioctl(ctl_fd, CTL_PORT_LIST, &list) == -1) { 486268291Smav log_warn("error issuing CTL_PORT_LIST ioctl"); 487268291Smav free(str); 488268291Smav return (NULL); 489268291Smav } 490268291Smav 491288259Smav if (list.status == CTL_LUN_LIST_ERROR) { 492268291Smav log_warnx("error returned from CTL_PORT_LIST ioctl: %s", 493268291Smav list.error_str); 494268291Smav free(str); 495268291Smav return (NULL); 496268291Smav } 497268291Smav 498268291Smav if (list.status == CTL_LUN_LIST_NEED_MORE_SPACE) { 499268291Smav len = len << 1; 500268291Smav goto retry_port; 501268291Smav } 502268291Smav 503268291Smav parser = XML_ParserCreate(NULL); 504268291Smav if (parser == NULL) { 505268291Smav log_warnx("unable to create XML parser"); 506268291Smav free(str); 507268291Smav return (NULL); 508268291Smav } 509268291Smav 510268291Smav XML_SetUserData(parser, &devlist); 511268291Smav XML_SetElementHandler(parser, cctl_start_pelement, cctl_end_pelement); 512268291Smav XML_SetCharacterDataHandler(parser, cctl_char_handler); 513268291Smav 514268291Smav retval = XML_Parse(parser, str, strlen(str), 1); 515268291Smav XML_ParserFree(parser); 516268291Smav free(str); 517268291Smav if (retval != 1) { 518268291Smav log_warnx("XML_Parse failed"); 519268291Smav return (NULL); 520268291Smav } 521268291Smav 522255570Strasz conf = conf_new(); 523255570Strasz 524284765Smav name = NULL; 525268291Smav STAILQ_FOREACH(port, &devlist.port_list, links) { 526288061Smav if (strcmp(port->port_frontend, "ha") == 0) 527288061Smav continue; 528290821Strasz free(name); 529290824Strasz if (port->pp == 0 && port->vp == 0) { 530284765Smav name = checked_strdup(port->port_name); 531290824Strasz } else if (port->vp == 0) { 532290824Strasz retval = asprintf(&name, "%s/%d", 533290824Strasz port->port_name, port->pp); 534290824Strasz if (retval <= 0) 535290824Strasz log_err(1, "asprintf"); 536290824Strasz } else { 537290824Strasz retval = asprintf(&name, "%s/%d/%d", 538290824Strasz port->port_name, port->pp, port->vp); 539290824Strasz if (retval <= 0) 540290824Strasz log_err(1, "asprintf"); 541290824Strasz } 542268291Smav 543268291Smav if (port->cfiscsi_target == NULL) { 544278354Smav log_debugx("CTL port %u \"%s\" wasn't managed by ctld; ", 545284765Smav port->port_id, name); 546284765Smav pp = pport_find(conf, name); 547278354Smav if (pp == NULL) { 548278354Smav#if 0 549278354Smav log_debugx("found new kernel port %u \"%s\"", 550284765Smav port->port_id, name); 551278354Smav#endif 552284765Smav pp = pport_new(conf, name, port->port_id); 553278354Smav if (pp == NULL) { 554278354Smav log_warnx("pport_new failed"); 555278354Smav continue; 556278354Smav } 557278354Smav } 558268291Smav continue; 559268291Smav } 560278322Smav if (port->cfiscsi_state != 1) { 561268328Smav log_debugx("CTL port %ju is not active (%d); ignoring", 562278322Smav (uintmax_t)port->port_id, port->cfiscsi_state); 563268328Smav continue; 564268328Smav } 565268291Smav 566268291Smav targ = target_find(conf, port->cfiscsi_target); 567268291Smav if (targ == NULL) { 568268291Smav#if 0 569268291Smav log_debugx("found new kernel target %s for CTL port %ld", 570268291Smav port->cfiscsi_target, port->port_id); 571268291Smav#endif 572268291Smav targ = target_new(conf, port->cfiscsi_target); 573268291Smav if (targ == NULL) { 574268291Smav log_warnx("target_new failed"); 575268291Smav continue; 576268291Smav } 577268291Smav } 578278322Smav 579278322Smav if (port->ctld_portal_group_name == NULL) 580278322Smav continue; 581278322Smav pg = portal_group_find(conf, port->ctld_portal_group_name); 582278322Smav if (pg == NULL) { 583278322Smav#if 0 584278322Smav log_debugx("found new kernel portal group %s for CTL port %ld", 585278322Smav port->ctld_portal_group_name, port->port_id); 586278322Smav#endif 587278322Smav pg = portal_group_new(conf, port->ctld_portal_group_name); 588278322Smav if (pg == NULL) { 589278322Smav log_warnx("portal_group_new failed"); 590278322Smav continue; 591278322Smav } 592278322Smav } 593278322Smav pg->pg_tag = port->cfiscsi_portal_group_tag; 594278322Smav cp = port_new(conf, targ, pg); 595278322Smav if (cp == NULL) { 596278322Smav log_warnx("port_new failed"); 597278322Smav continue; 598278322Smav } 599278322Smav cp->p_ctl_port = port->port_id; 600268291Smav } 601290821Strasz free(name); 602268291Smav 603255570Strasz STAILQ_FOREACH(lun, &devlist.lun_list, links) { 604255570Strasz struct cctl_lun_nv *nv; 605255570Strasz 606278037Smav if (lun->ctld_name == NULL) { 607255570Strasz log_debugx("CTL lun %ju wasn't managed by ctld; " 608255570Strasz "ignoring", (uintmax_t)lun->lun_id); 609255570Strasz continue; 610255570Strasz } 611255570Strasz 612278037Smav cl = lun_find(conf, lun->ctld_name); 613255570Strasz if (cl != NULL) { 614278037Smav log_warnx("found CTL lun %ju \"%s\", " 615278037Smav "also backed by CTL lun %d; ignoring", 616278037Smav (uintmax_t)lun->lun_id, lun->ctld_name, 617278037Smav cl->l_ctl_lun); 618255570Strasz continue; 619255570Strasz } 620255570Strasz 621278037Smav log_debugx("found CTL lun %ju \"%s\"", 622278037Smav (uintmax_t)lun->lun_id, lun->ctld_name); 623255570Strasz 624278037Smav cl = lun_new(conf, lun->ctld_name); 625255570Strasz if (cl == NULL) { 626255570Strasz log_warnx("lun_new failed"); 627255570Strasz continue; 628255570Strasz } 629255570Strasz lun_set_backend(cl, lun->backend_type); 630288310Smav lun_set_device_type(cl, lun->device_type); 631255570Strasz lun_set_blocksize(cl, lun->blocksize); 632255570Strasz lun_set_device_id(cl, lun->device_id); 633255570Strasz lun_set_serial(cl, lun->serial_number); 634255570Strasz lun_set_size(cl, lun->size_blocks * cl->l_blocksize); 635255570Strasz lun_set_ctl_lun(cl, lun->lun_id); 636255570Strasz 637255570Strasz STAILQ_FOREACH(nv, &lun->attr_list, links) { 638255570Strasz if (strcmp(nv->name, "file") == 0 || 639255570Strasz strcmp(nv->name, "dev") == 0) { 640255570Strasz lun_set_path(cl, nv->value); 641255570Strasz continue; 642255570Strasz } 643290615Smav o = option_new(&cl->l_options, nv->name, nv->value); 644290615Smav if (o == NULL) 645255570Strasz log_warnx("unable to add CTL lun option %s " 646278037Smav "for CTL lun %ju \"%s\"", 647255570Strasz nv->name, (uintmax_t) lun->lun_id, 648278037Smav cl->l_name); 649255570Strasz } 650255570Strasz } 651255570Strasz 652255570Strasz return (conf); 653255570Strasz} 654255570Strasz 655268291Smavstatic void 656268291Smavstr_arg(struct ctl_be_arg *arg, const char *name, const char *value) 657268291Smav{ 658268291Smav 659268291Smav arg->namelen = strlen(name) + 1; 660268291Smav arg->name = __DECONST(char *, name); 661268291Smav arg->vallen = strlen(value) + 1; 662268291Smav arg->value = __DECONST(char *, value); 663268291Smav arg->flags = CTL_BEARG_ASCII | CTL_BEARG_RD; 664268291Smav} 665268291Smav 666255570Straszint 667255570Straszkernel_lun_add(struct lun *lun) 668255570Strasz{ 669290615Smav struct option *o; 670255570Strasz struct ctl_lun_req req; 671255570Strasz int error, i, num_options; 672255570Strasz 673255570Strasz bzero(&req, sizeof(req)); 674255570Strasz 675255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 676255570Strasz req.reqtype = CTL_LUNREQ_CREATE; 677255570Strasz 678255570Strasz req.reqdata.create.blocksize_bytes = lun->l_blocksize; 679255570Strasz 680255570Strasz if (lun->l_size != 0) 681255570Strasz req.reqdata.create.lun_size_bytes = lun->l_size; 682255570Strasz 683287823Smav if (lun->l_ctl_lun >= 0) { 684287823Smav req.reqdata.create.req_lun_id = lun->l_ctl_lun; 685287823Smav req.reqdata.create.flags |= CTL_LUN_FLAG_ID_REQ; 686287823Smav } 687287823Smav 688255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_DEV_TYPE; 689288310Smav req.reqdata.create.device_type = lun->l_device_type; 690255570Strasz 691255570Strasz if (lun->l_serial != NULL) { 692267648Smav strncpy(req.reqdata.create.serial_num, lun->l_serial, 693255570Strasz sizeof(req.reqdata.create.serial_num)); 694255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_SERIAL_NUM; 695255570Strasz } 696255570Strasz 697255570Strasz if (lun->l_device_id != NULL) { 698267648Smav strncpy(req.reqdata.create.device_id, lun->l_device_id, 699255570Strasz sizeof(req.reqdata.create.device_id)); 700255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_DEVID; 701255570Strasz } 702255570Strasz 703255570Strasz if (lun->l_path != NULL) { 704290615Smav o = option_find(&lun->l_options, "file"); 705290615Smav if (o != NULL) { 706290615Smav option_set(o, lun->l_path); 707255570Strasz } else { 708290615Smav o = option_new(&lun->l_options, "file", lun->l_path); 709290615Smav assert(o != NULL); 710255570Strasz } 711255570Strasz } 712255570Strasz 713290615Smav o = option_find(&lun->l_options, "ctld_name"); 714290615Smav if (o != NULL) { 715290615Smav option_set(o, lun->l_name); 716255570Strasz } else { 717290615Smav o = option_new(&lun->l_options, "ctld_name", lun->l_name); 718290615Smav assert(o != NULL); 719255570Strasz } 720255570Strasz 721290615Smav o = option_find(&lun->l_options, "scsiname"); 722290615Smav if (o == NULL && lun->l_scsiname != NULL) { 723290615Smav o = option_new(&lun->l_options, "scsiname", lun->l_scsiname); 724290615Smav assert(o != NULL); 725268293Smav } 726268293Smav 727255570Strasz num_options = 0; 728290615Smav TAILQ_FOREACH(o, &lun->l_options, o_next) 729255570Strasz num_options++; 730255570Strasz 731255570Strasz req.num_be_args = num_options; 732255570Strasz if (num_options > 0) { 733255570Strasz req.be_args = malloc(num_options * sizeof(*req.be_args)); 734255570Strasz if (req.be_args == NULL) { 735255570Strasz log_warn("error allocating %zd bytes", 736255570Strasz num_options * sizeof(*req.be_args)); 737255570Strasz return (1); 738255570Strasz } 739255570Strasz 740255570Strasz i = 0; 741290615Smav TAILQ_FOREACH(o, &lun->l_options, o_next) { 742290615Smav str_arg(&req.be_args[i], o->o_name, o->o_value); 743255570Strasz i++; 744255570Strasz } 745255570Strasz assert(i == num_options); 746255570Strasz } 747255570Strasz 748255570Strasz error = ioctl(ctl_fd, CTL_LUN_REQ, &req); 749255570Strasz free(req.be_args); 750255570Strasz if (error != 0) { 751255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 752255570Strasz return (1); 753255570Strasz } 754255570Strasz 755272911Smav switch (req.status) { 756272911Smav case CTL_LUN_ERROR: 757272911Smav log_warnx("LUN creation error: %s", req.error_str); 758255570Strasz return (1); 759272911Smav case CTL_LUN_WARNING: 760272911Smav log_warnx("LUN creation warning: %s", req.error_str); 761272911Smav break; 762272911Smav case CTL_LUN_OK: 763272911Smav break; 764272911Smav default: 765272911Smav log_warnx("unknown LUN creation status: %d", 766255570Strasz req.status); 767255570Strasz return (1); 768255570Strasz } 769255570Strasz 770255570Strasz lun_set_ctl_lun(lun, req.reqdata.create.req_lun_id); 771255570Strasz return (0); 772255570Strasz} 773255570Strasz 774255570Straszint 775287500Smavkernel_lun_modify(struct lun *lun) 776255570Strasz{ 777290615Smav struct option *o; 778255570Strasz struct ctl_lun_req req; 779287500Smav int error, i, num_options; 780255570Strasz 781255570Strasz bzero(&req, sizeof(req)); 782255570Strasz 783255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 784255570Strasz req.reqtype = CTL_LUNREQ_MODIFY; 785255570Strasz 786255570Strasz req.reqdata.modify.lun_id = lun->l_ctl_lun; 787255570Strasz req.reqdata.modify.lun_size_bytes = lun->l_size; 788255570Strasz 789287500Smav num_options = 0; 790290615Smav TAILQ_FOREACH(o, &lun->l_options, o_next) 791287500Smav num_options++; 792287500Smav 793287500Smav req.num_be_args = num_options; 794287500Smav if (num_options > 0) { 795287500Smav req.be_args = malloc(num_options * sizeof(*req.be_args)); 796287500Smav if (req.be_args == NULL) { 797287500Smav log_warn("error allocating %zd bytes", 798287500Smav num_options * sizeof(*req.be_args)); 799287500Smav return (1); 800287500Smav } 801287500Smav 802287500Smav i = 0; 803290615Smav TAILQ_FOREACH(o, &lun->l_options, o_next) { 804290615Smav str_arg(&req.be_args[i], o->o_name, o->o_value); 805287500Smav i++; 806287500Smav } 807287500Smav assert(i == num_options); 808287500Smav } 809287500Smav 810287500Smav error = ioctl(ctl_fd, CTL_LUN_REQ, &req); 811287500Smav free(req.be_args); 812287500Smav if (error != 0) { 813255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 814255570Strasz return (1); 815255570Strasz } 816255570Strasz 817272911Smav switch (req.status) { 818272911Smav case CTL_LUN_ERROR: 819272911Smav log_warnx("LUN modification error: %s", req.error_str); 820255570Strasz return (1); 821272911Smav case CTL_LUN_WARNING: 822272911Smav log_warnx("LUN modification warning: %s", req.error_str); 823272911Smav break; 824272911Smav case CTL_LUN_OK: 825272911Smav break; 826272911Smav default: 827272911Smav log_warnx("unknown LUN modification status: %d", 828255570Strasz req.status); 829255570Strasz return (1); 830255570Strasz } 831255570Strasz 832255570Strasz return (0); 833255570Strasz} 834255570Strasz 835255570Straszint 836255570Straszkernel_lun_remove(struct lun *lun) 837255570Strasz{ 838255570Strasz struct ctl_lun_req req; 839255570Strasz 840255570Strasz bzero(&req, sizeof(req)); 841255570Strasz 842255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 843255570Strasz req.reqtype = CTL_LUNREQ_RM; 844255570Strasz 845255570Strasz req.reqdata.rm.lun_id = lun->l_ctl_lun; 846255570Strasz 847255570Strasz if (ioctl(ctl_fd, CTL_LUN_REQ, &req) == -1) { 848255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 849255570Strasz return (1); 850255570Strasz } 851255570Strasz 852272911Smav switch (req.status) { 853272911Smav case CTL_LUN_ERROR: 854272911Smav log_warnx("LUN removal error: %s", req.error_str); 855255570Strasz return (1); 856272911Smav case CTL_LUN_WARNING: 857272911Smav log_warnx("LUN removal warning: %s", req.error_str); 858272911Smav break; 859272911Smav case CTL_LUN_OK: 860272911Smav break; 861272911Smav default: 862272911Smav log_warnx("unknown LUN removal status: %d", req.status); 863255570Strasz return (1); 864255570Strasz } 865255570Strasz 866255570Strasz return (0); 867255570Strasz} 868255570Strasz 869255570Straszvoid 870255570Straszkernel_handoff(struct connection *conn) 871255570Strasz{ 872255570Strasz struct ctl_iscsi req; 873255570Strasz 874255570Strasz bzero(&req, sizeof(req)); 875255570Strasz 876255570Strasz req.type = CTL_ISCSI_HANDOFF; 877255570Strasz strlcpy(req.data.handoff.initiator_name, 878255570Strasz conn->conn_initiator_name, sizeof(req.data.handoff.initiator_name)); 879255570Strasz strlcpy(req.data.handoff.initiator_addr, 880255570Strasz conn->conn_initiator_addr, sizeof(req.data.handoff.initiator_addr)); 881255570Strasz if (conn->conn_initiator_alias != NULL) { 882255570Strasz strlcpy(req.data.handoff.initiator_alias, 883255570Strasz conn->conn_initiator_alias, sizeof(req.data.handoff.initiator_alias)); 884255570Strasz } 885268302Smav memcpy(req.data.handoff.initiator_isid, conn->conn_initiator_isid, 886268302Smav sizeof(req.data.handoff.initiator_isid)); 887255570Strasz strlcpy(req.data.handoff.target_name, 888261757Strasz conn->conn_target->t_name, sizeof(req.data.handoff.target_name)); 889279392Strasz if (conn->conn_portal->p_portal_group->pg_offload != NULL) { 890278331Strasz strlcpy(req.data.handoff.offload, 891279392Strasz conn->conn_portal->p_portal_group->pg_offload, 892279392Strasz sizeof(req.data.handoff.offload)); 893278331Strasz } 894264524Strasz#ifdef ICL_KERNEL_PROXY 895264524Strasz if (proxy_mode) 896264524Strasz req.data.handoff.connection_id = conn->conn_socket; 897264524Strasz else 898264524Strasz req.data.handoff.socket = conn->conn_socket; 899264524Strasz#else 900255570Strasz req.data.handoff.socket = conn->conn_socket; 901264524Strasz#endif 902255570Strasz req.data.handoff.portal_group_tag = 903255570Strasz conn->conn_portal->p_portal_group->pg_tag; 904255570Strasz if (conn->conn_header_digest == CONN_DIGEST_CRC32C) 905255570Strasz req.data.handoff.header_digest = CTL_ISCSI_DIGEST_CRC32C; 906255570Strasz if (conn->conn_data_digest == CONN_DIGEST_CRC32C) 907255570Strasz req.data.handoff.data_digest = CTL_ISCSI_DIGEST_CRC32C; 908255570Strasz req.data.handoff.cmdsn = conn->conn_cmdsn; 909255570Strasz req.data.handoff.statsn = conn->conn_statsn; 910255570Strasz req.data.handoff.max_recv_data_segment_length = 911255570Strasz conn->conn_max_data_segment_length; 912255570Strasz req.data.handoff.max_burst_length = conn->conn_max_burst_length; 913301437Strasz req.data.handoff.first_burst_length = conn->conn_first_burst_length; 914255570Strasz req.data.handoff.immediate_data = conn->conn_immediate_data; 915255570Strasz 916264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 917255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 918255570Strasz "dropping connection"); 919264526Strasz } 920255570Strasz 921264526Strasz if (req.status != CTL_ISCSI_OK) { 922255570Strasz log_errx(1, "error returned from CTL iSCSI handoff request: " 923255570Strasz "%s; dropping connection", req.error_str); 924264526Strasz } 925255570Strasz} 926255570Strasz 927278331Straszvoid 928278331Straszkernel_limits(const char *offload, size_t *max_data_segment_length) 929278331Strasz{ 930278331Strasz struct ctl_iscsi req; 931278331Strasz 932278331Strasz bzero(&req, sizeof(req)); 933278331Strasz 934278331Strasz req.type = CTL_ISCSI_LIMITS; 935278331Strasz if (offload != NULL) { 936278331Strasz strlcpy(req.data.limits.offload, offload, 937278331Strasz sizeof(req.data.limits.offload)); 938278331Strasz } 939278331Strasz 940278331Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 941278331Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 942278331Strasz "dropping connection"); 943278331Strasz } 944278331Strasz 945278331Strasz if (req.status != CTL_ISCSI_OK) { 946278331Strasz log_errx(1, "error returned from CTL iSCSI limits request: " 947278331Strasz "%s; dropping connection", req.error_str); 948278331Strasz } 949278331Strasz 950278331Strasz *max_data_segment_length = req.data.limits.data_segment_limit; 951278331Strasz if (offload != NULL) { 952278331Strasz log_debugx("MaxRecvDataSegment kernel limit for offload " 953278331Strasz "\"%s\" is %zd", offload, *max_data_segment_length); 954278331Strasz } else { 955278331Strasz log_debugx("MaxRecvDataSegment kernel limit is %zd", 956278331Strasz *max_data_segment_length); 957278331Strasz } 958278331Strasz} 959278331Strasz 960255570Straszint 961278322Smavkernel_port_add(struct port *port) 962255570Strasz{ 963290615Smav struct option *o; 964255570Strasz struct ctl_port_entry entry; 965268291Smav struct ctl_req req; 966278037Smav struct ctl_lun_map lm; 967278322Smav struct target *targ = port->p_target; 968278322Smav struct portal_group *pg = port->p_portal_group; 969268291Smav char tagstr[16]; 970278322Smav int error, i, n; 971255570Strasz 972278037Smav /* Create iSCSI port. */ 973278354Smav if (port->p_portal_group) { 974278354Smav bzero(&req, sizeof(req)); 975278354Smav strlcpy(req.driver, "iscsi", sizeof(req.driver)); 976278354Smav req.reqtype = CTL_REQ_CREATE; 977279276Smav req.num_args = 5; 978290615Smav TAILQ_FOREACH(o, &pg->pg_options, o_next) 979290615Smav req.num_args++; 980278354Smav req.args = malloc(req.num_args * sizeof(*req.args)); 981279276Smav if (req.args == NULL) 982279276Smav log_err(1, "malloc"); 983278354Smav n = 0; 984278354Smav req.args[n].namelen = sizeof("port_id"); 985278354Smav req.args[n].name = __DECONST(char *, "port_id"); 986278354Smav req.args[n].vallen = sizeof(port->p_ctl_port); 987278354Smav req.args[n].value = &port->p_ctl_port; 988278354Smav req.args[n++].flags = CTL_BEARG_WR; 989278354Smav str_arg(&req.args[n++], "cfiscsi_target", targ->t_name); 990278354Smav snprintf(tagstr, sizeof(tagstr), "%d", pg->pg_tag); 991278354Smav str_arg(&req.args[n++], "cfiscsi_portal_group_tag", tagstr); 992278354Smav if (targ->t_alias) 993278354Smav str_arg(&req.args[n++], "cfiscsi_target_alias", targ->t_alias); 994278354Smav str_arg(&req.args[n++], "ctld_portal_group_name", pg->pg_name); 995290615Smav TAILQ_FOREACH(o, &pg->pg_options, o_next) 996290615Smav str_arg(&req.args[n++], o->o_name, o->o_value); 997278354Smav req.num_args = n; 998278354Smav error = ioctl(ctl_fd, CTL_PORT_REQ, &req); 999278354Smav free(req.args); 1000278354Smav if (error != 0) { 1001278354Smav log_warn("error issuing CTL_PORT_REQ ioctl"); 1002278354Smav return (1); 1003278354Smav } 1004278354Smav if (req.status == CTL_LUN_ERROR) { 1005278354Smav log_warnx("error returned from port creation request: %s", 1006278354Smav req.error_str); 1007278354Smav return (1); 1008278354Smav } 1009278354Smav if (req.status != CTL_LUN_OK) { 1010278354Smav log_warnx("unknown port creation request status %d", 1011278354Smav req.status); 1012278354Smav return (1); 1013278354Smav } 1014279590Smav } else if (port->p_pport) { 1015278354Smav port->p_ctl_port = port->p_pport->pp_ctl_port; 1016268291Smav 1017279590Smav if (strncmp(targ->t_name, "naa.", 4) == 0 && 1018279590Smav strlen(targ->t_name) == 20) { 1019279590Smav bzero(&entry, sizeof(entry)); 1020279590Smav entry.port_type = CTL_PORT_NONE; 1021279590Smav entry.targ_port = port->p_ctl_port; 1022279590Smav entry.flags |= CTL_PORT_WWNN_VALID; 1023279590Smav entry.wwnn = strtoull(targ->t_name + 4, NULL, 16); 1024279590Smav if (ioctl(ctl_fd, CTL_SET_PORT_WWNS, &entry) == -1) 1025279590Smav log_warn("CTL_SET_PORT_WWNS ioctl failed"); 1026279590Smav } 1027279590Smav } 1028279590Smav 1029278037Smav /* Explicitly enable mapping to block any access except allowed. */ 1030278322Smav lm.port = port->p_ctl_port; 1031278037Smav lm.plun = UINT32_MAX; 1032278037Smav lm.lun = 0; 1033278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1034278037Smav if (error != 0) 1035278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 1036278037Smav 1037278037Smav /* Map configured LUNs */ 1038278037Smav for (i = 0; i < MAX_LUNS; i++) { 1039278037Smav if (targ->t_luns[i] == NULL) 1040278037Smav continue; 1041278322Smav lm.port = port->p_ctl_port; 1042278037Smav lm.plun = i; 1043278037Smav lm.lun = targ->t_luns[i]->l_ctl_lun; 1044278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1045278037Smav if (error != 0) 1046278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 1047278037Smav } 1048278037Smav 1049278037Smav /* Enable port */ 1050255678Strasz bzero(&entry, sizeof(entry)); 1051278322Smav entry.targ_port = port->p_ctl_port; 1052255570Strasz error = ioctl(ctl_fd, CTL_ENABLE_PORT, &entry); 1053255570Strasz if (error != 0) { 1054255570Strasz log_warn("CTL_ENABLE_PORT ioctl failed"); 1055255570Strasz return (-1); 1056255570Strasz } 1057255570Strasz 1058255570Strasz return (0); 1059255570Strasz} 1060255570Strasz 1061255570Straszint 1062287757Smavkernel_port_update(struct port *port, struct port *oport) 1063278037Smav{ 1064278037Smav struct ctl_lun_map lm; 1065278322Smav struct target *targ = port->p_target; 1066287757Smav struct target *otarg = oport->p_target; 1067278037Smav int error, i; 1068287757Smav uint32_t olun; 1069278037Smav 1070278037Smav /* Map configured LUNs and unmap others */ 1071278037Smav for (i = 0; i < MAX_LUNS; i++) { 1072278322Smav lm.port = port->p_ctl_port; 1073278037Smav lm.plun = i; 1074278037Smav if (targ->t_luns[i] == NULL) 1075278037Smav lm.lun = UINT32_MAX; 1076278037Smav else 1077278037Smav lm.lun = targ->t_luns[i]->l_ctl_lun; 1078287757Smav if (otarg->t_luns[i] == NULL) 1079287757Smav olun = UINT32_MAX; 1080287757Smav else 1081287757Smav olun = otarg->t_luns[i]->l_ctl_lun; 1082287757Smav if (lm.lun == olun) 1083287757Smav continue; 1084278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1085278037Smav if (error != 0) 1086278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 1087278037Smav } 1088278037Smav return (0); 1089278037Smav} 1090278037Smav 1091278037Smavint 1092278322Smavkernel_port_remove(struct port *port) 1093255570Strasz{ 1094278354Smav struct ctl_port_entry entry; 1095278354Smav struct ctl_lun_map lm; 1096268291Smav struct ctl_req req; 1097268291Smav char tagstr[16]; 1098278322Smav struct target *targ = port->p_target; 1099278322Smav struct portal_group *pg = port->p_portal_group; 1100255570Strasz int error; 1101255570Strasz 1102278354Smav /* Disable port */ 1103278354Smav bzero(&entry, sizeof(entry)); 1104278354Smav entry.targ_port = port->p_ctl_port; 1105278354Smav error = ioctl(ctl_fd, CTL_DISABLE_PORT, &entry); 1106255570Strasz if (error != 0) { 1107278354Smav log_warn("CTL_DISABLE_PORT ioctl failed"); 1108278354Smav return (-1); 1109255570Strasz } 1110255570Strasz 1111278354Smav /* Remove iSCSI port. */ 1112278354Smav if (port->p_portal_group) { 1113278354Smav bzero(&req, sizeof(req)); 1114278354Smav strlcpy(req.driver, "iscsi", sizeof(req.driver)); 1115278354Smav req.reqtype = CTL_REQ_REMOVE; 1116278354Smav req.num_args = 2; 1117278354Smav req.args = malloc(req.num_args * sizeof(*req.args)); 1118279276Smav if (req.args == NULL) 1119279276Smav log_err(1, "malloc"); 1120278354Smav str_arg(&req.args[0], "cfiscsi_target", targ->t_name); 1121278354Smav snprintf(tagstr, sizeof(tagstr), "%d", pg->pg_tag); 1122278354Smav str_arg(&req.args[1], "cfiscsi_portal_group_tag", tagstr); 1123278354Smav error = ioctl(ctl_fd, CTL_PORT_REQ, &req); 1124278354Smav free(req.args); 1125278354Smav if (error != 0) { 1126278354Smav log_warn("error issuing CTL_PORT_REQ ioctl"); 1127278354Smav return (1); 1128278354Smav } 1129278354Smav if (req.status == CTL_LUN_ERROR) { 1130278354Smav log_warnx("error returned from port removal request: %s", 1131278354Smav req.error_str); 1132278354Smav return (1); 1133278354Smav } 1134278354Smav if (req.status != CTL_LUN_OK) { 1135278354Smav log_warnx("unknown port removal request status %d", 1136278354Smav req.status); 1137278354Smav return (1); 1138278354Smav } 1139278354Smav } else { 1140278354Smav /* Disable LUN mapping. */ 1141278354Smav lm.port = port->p_ctl_port; 1142278354Smav lm.plun = UINT32_MAX; 1143278354Smav lm.lun = UINT32_MAX; 1144278354Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1145278354Smav if (error != 0) 1146278354Smav log_warn("CTL_LUN_MAP ioctl failed"); 1147268291Smav } 1148255570Strasz return (0); 1149255570Strasz} 1150255570Strasz 1151255570Strasz#ifdef ICL_KERNEL_PROXY 1152255570Straszvoid 1153264526Straszkernel_listen(struct addrinfo *ai, bool iser, int portal_id) 1154255570Strasz{ 1155255570Strasz struct ctl_iscsi req; 1156255570Strasz 1157255570Strasz bzero(&req, sizeof(req)); 1158255570Strasz 1159255570Strasz req.type = CTL_ISCSI_LISTEN; 1160255570Strasz req.data.listen.iser = iser; 1161255570Strasz req.data.listen.domain = ai->ai_family; 1162255570Strasz req.data.listen.socktype = ai->ai_socktype; 1163255570Strasz req.data.listen.protocol = ai->ai_protocol; 1164255570Strasz req.data.listen.addr = ai->ai_addr; 1165255570Strasz req.data.listen.addrlen = ai->ai_addrlen; 1166264526Strasz req.data.listen.portal_id = portal_id; 1167255570Strasz 1168264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) 1169261765Strasz log_err(1, "error issuing CTL_ISCSI ioctl"); 1170261765Strasz 1171261765Strasz if (req.status != CTL_ISCSI_OK) { 1172261765Strasz log_errx(1, "error returned from CTL iSCSI listen: %s", 1173261765Strasz req.error_str); 1174261765Strasz } 1175255570Strasz} 1176255570Strasz 1177264526Straszvoid 1178264530Straszkernel_accept(int *connection_id, int *portal_id, 1179264530Strasz struct sockaddr *client_sa, socklen_t *client_salen) 1180255570Strasz{ 1181255570Strasz struct ctl_iscsi req; 1182264530Strasz struct sockaddr_storage ss; 1183255570Strasz 1184255570Strasz bzero(&req, sizeof(req)); 1185255570Strasz 1186255570Strasz req.type = CTL_ISCSI_ACCEPT; 1187264530Strasz req.data.accept.initiator_addr = (struct sockaddr *)&ss; 1188255570Strasz 1189264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) 1190264526Strasz log_err(1, "error issuing CTL_ISCSI ioctl"); 1191255570Strasz 1192261765Strasz if (req.status != CTL_ISCSI_OK) { 1193264526Strasz log_errx(1, "error returned from CTL iSCSI accept: %s", 1194261765Strasz req.error_str); 1195261765Strasz } 1196261765Strasz 1197264526Strasz *connection_id = req.data.accept.connection_id; 1198264526Strasz *portal_id = req.data.accept.portal_id; 1199264530Strasz *client_salen = req.data.accept.initiator_addrlen; 1200264530Strasz memcpy(client_sa, &ss, *client_salen); 1201255570Strasz} 1202255570Strasz 1203255570Straszvoid 1204255570Straszkernel_send(struct pdu *pdu) 1205255570Strasz{ 1206255570Strasz struct ctl_iscsi req; 1207255570Strasz 1208255570Strasz bzero(&req, sizeof(req)); 1209255570Strasz 1210255570Strasz req.type = CTL_ISCSI_SEND; 1211255570Strasz req.data.send.connection_id = pdu->pdu_connection->conn_socket; 1212255570Strasz req.data.send.bhs = pdu->pdu_bhs; 1213255570Strasz req.data.send.data_segment_len = pdu->pdu_data_len; 1214255570Strasz req.data.send.data_segment = pdu->pdu_data; 1215255570Strasz 1216261765Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 1217255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 1218255570Strasz "dropping connection"); 1219261765Strasz } 1220255570Strasz 1221261765Strasz if (req.status != CTL_ISCSI_OK) { 1222255570Strasz log_errx(1, "error returned from CTL iSCSI send: " 1223255570Strasz "%s; dropping connection", req.error_str); 1224261765Strasz } 1225255570Strasz} 1226255570Strasz 1227255570Straszvoid 1228255570Straszkernel_receive(struct pdu *pdu) 1229255570Strasz{ 1230255570Strasz struct ctl_iscsi req; 1231255570Strasz 1232255570Strasz pdu->pdu_data = malloc(MAX_DATA_SEGMENT_LENGTH); 1233255570Strasz if (pdu->pdu_data == NULL) 1234255570Strasz log_err(1, "malloc"); 1235255570Strasz 1236255570Strasz bzero(&req, sizeof(req)); 1237255570Strasz 1238255570Strasz req.type = CTL_ISCSI_RECEIVE; 1239255570Strasz req.data.receive.connection_id = pdu->pdu_connection->conn_socket; 1240255570Strasz req.data.receive.bhs = pdu->pdu_bhs; 1241255570Strasz req.data.receive.data_segment_len = MAX_DATA_SEGMENT_LENGTH; 1242255570Strasz req.data.receive.data_segment = pdu->pdu_data; 1243255570Strasz 1244261765Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 1245255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 1246255570Strasz "dropping connection"); 1247261765Strasz } 1248255570Strasz 1249261765Strasz if (req.status != CTL_ISCSI_OK) { 1250255570Strasz log_errx(1, "error returned from CTL iSCSI receive: " 1251255570Strasz "%s; dropping connection", req.error_str); 1252261765Strasz } 1253255570Strasz 1254255570Strasz} 1255255570Strasz 1256255570Strasz#endif /* ICL_KERNEL_PROXY */ 1257255570Strasz 1258255570Strasz/* 1259255570Strasz * XXX: I CANT INTO LATIN 1260255570Strasz */ 1261255570Straszvoid 1262255570Straszkernel_capsicate(void) 1263255570Strasz{ 1264255570Strasz int error; 1265255570Strasz cap_rights_t rights; 1266255570Strasz const unsigned long cmds[] = { CTL_ISCSI }; 1267255570Strasz 1268255570Strasz cap_rights_init(&rights, CAP_IOCTL); 1269255570Strasz error = cap_rights_limit(ctl_fd, &rights); 1270255570Strasz if (error != 0 && errno != ENOSYS) 1271255570Strasz log_err(1, "cap_rights_limit"); 1272255570Strasz 1273317062Saraujo error = cap_ioctls_limit(ctl_fd, cmds, nitems(cmds)); 1274317062Saraujo 1275255570Strasz if (error != 0 && errno != ENOSYS) 1276255570Strasz log_err(1, "cap_ioctls_limit"); 1277255570Strasz 1278255570Strasz error = cap_enter(); 1279255570Strasz if (error != 0 && errno != ENOSYS) 1280255570Strasz log_err(1, "cap_enter"); 1281255570Strasz 1282255570Strasz if (cap_sandboxed()) 1283255570Strasz log_debugx("Capsicum capability mode enabled"); 1284255570Strasz else 1285255570Strasz log_warnx("Capsicum capability mode not supported"); 1286255570Strasz} 1287255570Strasz 1288