kernel.c revision 319152
1255570Strasz/*- 2255570Strasz * Copyright (c) 2003, 2004 Silicon Graphics International Corp. 3255570Strasz * Copyright (c) 1997-2007 Kenneth D. Merry 4255570Strasz * Copyright (c) 2012 The FreeBSD Foundation 5255570Strasz * All rights reserved. 6255570Strasz * 7255570Strasz * Portions of this software were developed by Edward Tomasz Napierala 8255570Strasz * under sponsorship from the FreeBSD Foundation. 9255570Strasz * 10255570Strasz * Redistribution and use in source and binary forms, with or without 11255570Strasz * modification, are permitted provided that the following conditions 12255570Strasz * are met: 13255570Strasz * 1. Redistributions of source code must retain the above copyright 14255570Strasz * notice, this list of conditions, and the following disclaimer, 15255570Strasz * without modification. 16255570Strasz * 2. Redistributions in binary form must reproduce at minimum a disclaimer 17255570Strasz * substantially similar to the "NO WARRANTY" disclaimer below 18255570Strasz * ("Disclaimer") and any redistribution must be conditioned upon 19255570Strasz * including a substantially similar Disclaimer requirement for further 20255570Strasz * binary redistribution. 21255570Strasz * 22255570Strasz * NO WARRANTY 23255570Strasz * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 24255570Strasz * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 25255570Strasz * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR 26255570Strasz * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 27255570Strasz * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28255570Strasz * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29255570Strasz * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30255570Strasz * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 31255570Strasz * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 32255570Strasz * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 33255570Strasz * POSSIBILITY OF SUCH DAMAGES. 34255570Strasz * 35255570Strasz */ 36255570Strasz 37270279Strasz#include <sys/cdefs.h> 38270279Strasz__FBSDID("$FreeBSD: stable/11/usr.sbin/ctld/kernel.c 319152 2017-05-29 18:17:34Z ngie $"); 39270279Strasz 40316252Sngie#include <sys/param.h> 41316252Sngie#include <sys/capsicum.h> 42316252Sngie#include <sys/callout.h> 43255570Strasz#include <sys/ioctl.h> 44255570Strasz#include <sys/linker.h> 45319152Sngie#include <sys/module.h> 46255570Strasz#include <sys/queue.h> 47255570Strasz#include <sys/sbuf.h> 48316252Sngie#include <sys/stat.h> 49255570Strasz#include <assert.h> 50255570Strasz#include <bsdxml.h> 51255570Strasz#include <ctype.h> 52255570Strasz#include <errno.h> 53255570Strasz#include <fcntl.h> 54255570Strasz#include <stdint.h> 55255570Strasz#include <stdio.h> 56255570Strasz#include <stdlib.h> 57255570Strasz#include <string.h> 58255570Strasz#include <strings.h> 59255570Strasz#include <cam/scsi/scsi_all.h> 60255570Strasz#include <cam/scsi/scsi_message.h> 61255570Strasz#include <cam/ctl/ctl.h> 62255570Strasz#include <cam/ctl/ctl_io.h> 63255570Strasz#include <cam/ctl/ctl_backend.h> 64255570Strasz#include <cam/ctl/ctl_ioctl.h> 65255570Strasz#include <cam/ctl/ctl_util.h> 66255570Strasz#include <cam/ctl/ctl_scsi_all.h> 67255570Strasz 68264524Strasz#include "ctld.h" 69264524Strasz 70255570Strasz#ifdef ICL_KERNEL_PROXY 71255570Strasz#include <netdb.h> 72255570Strasz#endif 73255570Strasz 74264524Straszextern bool proxy_mode; 75255570Strasz 76255570Straszstatic int ctl_fd = 0; 77255570Strasz 78255570Straszvoid 79255570Straszkernel_init(void) 80255570Strasz{ 81255570Strasz int retval, saved_errno; 82255570Strasz 83255570Strasz ctl_fd = open(CTL_DEFAULT_DEV, O_RDWR); 84255665Strasz if (ctl_fd < 0 && errno == ENOENT) { 85255570Strasz saved_errno = errno; 86255570Strasz retval = kldload("ctl"); 87255570Strasz if (retval != -1) 88255570Strasz ctl_fd = open(CTL_DEFAULT_DEV, O_RDWR); 89255570Strasz else 90255570Strasz errno = saved_errno; 91255570Strasz } 92255570Strasz if (ctl_fd < 0) 93255570Strasz log_err(1, "failed to open %s", CTL_DEFAULT_DEV); 94319152Sngie#ifdef WANT_ISCSI 95319152Sngie else { 96319152Sngie saved_errno = errno; 97319152Sngie if (modfind("cfiscsi") == -1 && kldload("cfiscsi") == -1) 98319152Sngie log_warn("couldn't load cfiscsi"); 99319152Sngie errno = saved_errno; 100319152Sngie } 101319152Sngie#endif 102255570Strasz} 103255570Strasz 104255570Strasz/* 105255570Strasz * Name/value pair used for per-LUN attributes. 106255570Strasz */ 107255570Straszstruct cctl_lun_nv { 108255570Strasz char *name; 109255570Strasz char *value; 110255570Strasz STAILQ_ENTRY(cctl_lun_nv) links; 111255570Strasz}; 112255570Strasz 113255570Strasz/* 114273464Strasz * Backend LUN information. 115255570Strasz */ 116255570Straszstruct cctl_lun { 117255570Strasz uint64_t lun_id; 118255570Strasz char *backend_type; 119288310Smav uint8_t device_type; 120255570Strasz uint64_t size_blocks; 121255570Strasz uint32_t blocksize; 122255570Strasz char *serial_number; 123255570Strasz char *device_id; 124278037Smav char *ctld_name; 125255570Strasz STAILQ_HEAD(,cctl_lun_nv) attr_list; 126255570Strasz STAILQ_ENTRY(cctl_lun) links; 127255570Strasz}; 128255570Strasz 129268291Smavstruct cctl_port { 130268291Smav uint32_t port_id; 131288061Smav char *port_frontend; 132278354Smav char *port_name; 133284765Smav int pp; 134284765Smav int vp; 135278322Smav int cfiscsi_state; 136268291Smav char *cfiscsi_target; 137268291Smav uint16_t cfiscsi_portal_group_tag; 138278322Smav char *ctld_portal_group_name; 139268291Smav STAILQ_HEAD(,cctl_lun_nv) attr_list; 140268291Smav STAILQ_ENTRY(cctl_port) links; 141268291Smav}; 142268291Smav 143255570Straszstruct cctl_devlist_data { 144255570Strasz int num_luns; 145255570Strasz STAILQ_HEAD(,cctl_lun) lun_list; 146255570Strasz struct cctl_lun *cur_lun; 147268291Smav int num_ports; 148268291Smav STAILQ_HEAD(,cctl_port) port_list; 149268291Smav struct cctl_port *cur_port; 150255570Strasz int level; 151255570Strasz struct sbuf *cur_sb[32]; 152255570Strasz}; 153255570Strasz 154255570Straszstatic void 155255570Straszcctl_start_element(void *user_data, const char *name, const char **attr) 156255570Strasz{ 157255570Strasz int i; 158255570Strasz struct cctl_devlist_data *devlist; 159255570Strasz struct cctl_lun *cur_lun; 160255570Strasz 161255570Strasz devlist = (struct cctl_devlist_data *)user_data; 162255570Strasz cur_lun = devlist->cur_lun; 163255570Strasz devlist->level++; 164256189Strasz if ((u_int)devlist->level >= (sizeof(devlist->cur_sb) / 165255570Strasz sizeof(devlist->cur_sb[0]))) 166255570Strasz log_errx(1, "%s: too many nesting levels, %zd max", __func__, 167255570Strasz sizeof(devlist->cur_sb) / sizeof(devlist->cur_sb[0])); 168255570Strasz 169255570Strasz devlist->cur_sb[devlist->level] = sbuf_new_auto(); 170255570Strasz if (devlist->cur_sb[devlist->level] == NULL) 171255570Strasz log_err(1, "%s: unable to allocate sbuf", __func__); 172255570Strasz 173255570Strasz if (strcmp(name, "lun") == 0) { 174255570Strasz if (cur_lun != NULL) 175255570Strasz log_errx(1, "%s: improper lun element nesting", 176255570Strasz __func__); 177255570Strasz 178255570Strasz cur_lun = calloc(1, sizeof(*cur_lun)); 179255570Strasz if (cur_lun == NULL) 180255570Strasz log_err(1, "%s: cannot allocate %zd bytes", __func__, 181255570Strasz sizeof(*cur_lun)); 182255570Strasz 183255570Strasz devlist->num_luns++; 184255570Strasz devlist->cur_lun = cur_lun; 185255570Strasz 186255570Strasz STAILQ_INIT(&cur_lun->attr_list); 187255570Strasz STAILQ_INSERT_TAIL(&devlist->lun_list, cur_lun, links); 188255570Strasz 189255570Strasz for (i = 0; attr[i] != NULL; i += 2) { 190255570Strasz if (strcmp(attr[i], "id") == 0) { 191255570Strasz cur_lun->lun_id = strtoull(attr[i+1], NULL, 0); 192255570Strasz } else { 193255570Strasz log_errx(1, "%s: invalid LUN attribute %s = %s", 194255570Strasz __func__, attr[i], attr[i+1]); 195255570Strasz } 196255570Strasz } 197255570Strasz } 198255570Strasz} 199255570Strasz 200255570Straszstatic void 201255570Straszcctl_end_element(void *user_data, const char *name) 202255570Strasz{ 203255570Strasz struct cctl_devlist_data *devlist; 204255570Strasz struct cctl_lun *cur_lun; 205255570Strasz char *str; 206255570Strasz 207255570Strasz devlist = (struct cctl_devlist_data *)user_data; 208255570Strasz cur_lun = devlist->cur_lun; 209255570Strasz 210255570Strasz if ((cur_lun == NULL) 211255570Strasz && (strcmp(name, "ctllunlist") != 0)) 212255570Strasz log_errx(1, "%s: cur_lun == NULL! (name = %s)", __func__, name); 213255570Strasz 214255570Strasz if (devlist->cur_sb[devlist->level] == NULL) 215255570Strasz log_errx(1, "%s: no valid sbuf at level %d (name %s)", __func__, 216255570Strasz devlist->level, name); 217255570Strasz 218255570Strasz sbuf_finish(devlist->cur_sb[devlist->level]); 219255570Strasz str = checked_strdup(sbuf_data(devlist->cur_sb[devlist->level])); 220255570Strasz 221255570Strasz if (strlen(str) == 0) { 222255570Strasz free(str); 223255570Strasz str = NULL; 224255570Strasz } 225255570Strasz 226255570Strasz sbuf_delete(devlist->cur_sb[devlist->level]); 227255570Strasz devlist->cur_sb[devlist->level] = NULL; 228255570Strasz devlist->level--; 229255570Strasz 230255570Strasz if (strcmp(name, "backend_type") == 0) { 231255570Strasz cur_lun->backend_type = str; 232255570Strasz str = NULL; 233288310Smav } else if (strcmp(name, "lun_type") == 0) { 234288310Smav cur_lun->device_type = strtoull(str, NULL, 0); 235255570Strasz } else if (strcmp(name, "size") == 0) { 236255570Strasz cur_lun->size_blocks = strtoull(str, NULL, 0); 237255570Strasz } else if (strcmp(name, "blocksize") == 0) { 238255570Strasz cur_lun->blocksize = strtoul(str, NULL, 0); 239255570Strasz } else if (strcmp(name, "serial_number") == 0) { 240255570Strasz cur_lun->serial_number = str; 241255570Strasz str = NULL; 242255570Strasz } else if (strcmp(name, "device_id") == 0) { 243255570Strasz cur_lun->device_id = str; 244255570Strasz str = NULL; 245278037Smav } else if (strcmp(name, "ctld_name") == 0) { 246278037Smav cur_lun->ctld_name = str; 247255570Strasz str = NULL; 248255570Strasz } else if (strcmp(name, "lun") == 0) { 249255570Strasz devlist->cur_lun = NULL; 250255570Strasz } else if (strcmp(name, "ctllunlist") == 0) { 251273464Strasz /* Nothing. */ 252255570Strasz } else { 253255570Strasz struct cctl_lun_nv *nv; 254255570Strasz 255255570Strasz nv = calloc(1, sizeof(*nv)); 256255570Strasz if (nv == NULL) 257255570Strasz log_err(1, "%s: can't allocate %zd bytes for nv pair", 258255570Strasz __func__, sizeof(*nv)); 259255570Strasz 260255570Strasz nv->name = checked_strdup(name); 261255570Strasz 262255570Strasz nv->value = str; 263255570Strasz str = NULL; 264255570Strasz STAILQ_INSERT_TAIL(&cur_lun->attr_list, nv, links); 265255570Strasz } 266255570Strasz 267255570Strasz free(str); 268255570Strasz} 269255570Strasz 270255570Straszstatic void 271268291Smavcctl_start_pelement(void *user_data, const char *name, const char **attr) 272268291Smav{ 273268291Smav int i; 274268291Smav struct cctl_devlist_data *devlist; 275268291Smav struct cctl_port *cur_port; 276268291Smav 277268291Smav devlist = (struct cctl_devlist_data *)user_data; 278268291Smav cur_port = devlist->cur_port; 279268291Smav devlist->level++; 280268291Smav if ((u_int)devlist->level >= (sizeof(devlist->cur_sb) / 281268291Smav sizeof(devlist->cur_sb[0]))) 282268291Smav log_errx(1, "%s: too many nesting levels, %zd max", __func__, 283268291Smav sizeof(devlist->cur_sb) / sizeof(devlist->cur_sb[0])); 284268291Smav 285268291Smav devlist->cur_sb[devlist->level] = sbuf_new_auto(); 286268291Smav if (devlist->cur_sb[devlist->level] == NULL) 287268291Smav log_err(1, "%s: unable to allocate sbuf", __func__); 288268291Smav 289268291Smav if (strcmp(name, "targ_port") == 0) { 290268291Smav if (cur_port != NULL) 291268291Smav log_errx(1, "%s: improper port element nesting (%s)", 292268291Smav __func__, name); 293268291Smav 294268291Smav cur_port = calloc(1, sizeof(*cur_port)); 295268291Smav if (cur_port == NULL) 296268291Smav log_err(1, "%s: cannot allocate %zd bytes", __func__, 297268291Smav sizeof(*cur_port)); 298268291Smav 299268291Smav devlist->num_ports++; 300268291Smav devlist->cur_port = cur_port; 301268291Smav 302268291Smav STAILQ_INIT(&cur_port->attr_list); 303268291Smav STAILQ_INSERT_TAIL(&devlist->port_list, cur_port, links); 304268291Smav 305268291Smav for (i = 0; attr[i] != NULL; i += 2) { 306268291Smav if (strcmp(attr[i], "id") == 0) { 307268291Smav cur_port->port_id = strtoul(attr[i+1], NULL, 0); 308268291Smav } else { 309268291Smav log_errx(1, "%s: invalid LUN attribute %s = %s", 310268291Smav __func__, attr[i], attr[i+1]); 311268291Smav } 312268291Smav } 313268291Smav } 314268291Smav} 315268291Smav 316268291Smavstatic void 317268291Smavcctl_end_pelement(void *user_data, const char *name) 318268291Smav{ 319268291Smav struct cctl_devlist_data *devlist; 320268291Smav struct cctl_port *cur_port; 321268291Smav char *str; 322268291Smav 323268291Smav devlist = (struct cctl_devlist_data *)user_data; 324268291Smav cur_port = devlist->cur_port; 325268291Smav 326268291Smav if ((cur_port == NULL) 327268291Smav && (strcmp(name, "ctlportlist") != 0)) 328268291Smav log_errx(1, "%s: cur_port == NULL! (name = %s)", __func__, name); 329268291Smav 330268291Smav if (devlist->cur_sb[devlist->level] == NULL) 331268291Smav log_errx(1, "%s: no valid sbuf at level %d (name %s)", __func__, 332268291Smav devlist->level, name); 333268291Smav 334268291Smav sbuf_finish(devlist->cur_sb[devlist->level]); 335268291Smav str = checked_strdup(sbuf_data(devlist->cur_sb[devlist->level])); 336268291Smav 337268291Smav if (strlen(str) == 0) { 338268291Smav free(str); 339268291Smav str = NULL; 340268291Smav } 341268291Smav 342268291Smav sbuf_delete(devlist->cur_sb[devlist->level]); 343268291Smav devlist->cur_sb[devlist->level] = NULL; 344268291Smav devlist->level--; 345268291Smav 346288061Smav if (strcmp(name, "frontend_type") == 0) { 347288061Smav cur_port->port_frontend = str; 348288061Smav str = NULL; 349288061Smav } else if (strcmp(name, "port_name") == 0) { 350278354Smav cur_port->port_name = str; 351278354Smav str = NULL; 352284765Smav } else if (strcmp(name, "physical_port") == 0) { 353284765Smav cur_port->pp = strtoul(str, NULL, 0); 354284765Smav } else if (strcmp(name, "virtual_port") == 0) { 355284765Smav cur_port->vp = strtoul(str, NULL, 0); 356278354Smav } else if (strcmp(name, "cfiscsi_target") == 0) { 357268291Smav cur_port->cfiscsi_target = str; 358268291Smav str = NULL; 359278322Smav } else if (strcmp(name, "cfiscsi_state") == 0) { 360278322Smav cur_port->cfiscsi_state = strtoul(str, NULL, 0); 361268291Smav } else if (strcmp(name, "cfiscsi_portal_group_tag") == 0) { 362268291Smav cur_port->cfiscsi_portal_group_tag = strtoul(str, NULL, 0); 363278322Smav } else if (strcmp(name, "ctld_portal_group_name") == 0) { 364278322Smav cur_port->ctld_portal_group_name = str; 365278322Smav str = NULL; 366268291Smav } else if (strcmp(name, "targ_port") == 0) { 367268291Smav devlist->cur_port = NULL; 368268291Smav } else if (strcmp(name, "ctlportlist") == 0) { 369273464Strasz /* Nothing. */ 370268291Smav } else { 371268291Smav struct cctl_lun_nv *nv; 372268291Smav 373268291Smav nv = calloc(1, sizeof(*nv)); 374268291Smav if (nv == NULL) 375268291Smav log_err(1, "%s: can't allocate %zd bytes for nv pair", 376268291Smav __func__, sizeof(*nv)); 377268291Smav 378268291Smav nv->name = checked_strdup(name); 379268291Smav 380268291Smav nv->value = str; 381268291Smav str = NULL; 382268291Smav STAILQ_INSERT_TAIL(&cur_port->attr_list, nv, links); 383268291Smav } 384268291Smav 385268291Smav free(str); 386268291Smav} 387268291Smav 388268291Smavstatic void 389255570Straszcctl_char_handler(void *user_data, const XML_Char *str, int len) 390255570Strasz{ 391255570Strasz struct cctl_devlist_data *devlist; 392255570Strasz 393255570Strasz devlist = (struct cctl_devlist_data *)user_data; 394255570Strasz 395255570Strasz sbuf_bcat(devlist->cur_sb[devlist->level], str, len); 396255570Strasz} 397255570Strasz 398255570Straszstruct conf * 399255570Straszconf_new_from_kernel(void) 400255570Strasz{ 401255570Strasz struct conf *conf = NULL; 402255570Strasz struct target *targ; 403278322Smav struct portal_group *pg; 404278354Smav struct pport *pp; 405278322Smav struct port *cp; 406255570Strasz struct lun *cl; 407290615Smav struct option *o; 408255570Strasz struct ctl_lun_list list; 409255570Strasz struct cctl_devlist_data devlist; 410255570Strasz struct cctl_lun *lun; 411268291Smav struct cctl_port *port; 412255570Strasz XML_Parser parser; 413284765Smav char *str, *name; 414268291Smav int len, retval; 415255570Strasz 416255570Strasz bzero(&devlist, sizeof(devlist)); 417255570Strasz STAILQ_INIT(&devlist.lun_list); 418268291Smav STAILQ_INIT(&devlist.port_list); 419255570Strasz 420255570Strasz log_debugx("obtaining previously configured CTL luns from the kernel"); 421255570Strasz 422268291Smav str = NULL; 423268291Smav len = 4096; 424255570Straszretry: 425268291Smav str = realloc(str, len); 426268291Smav if (str == NULL) 427255570Strasz log_err(1, "realloc"); 428255570Strasz 429255570Strasz bzero(&list, sizeof(list)); 430268291Smav list.alloc_len = len; 431255570Strasz list.status = CTL_LUN_LIST_NONE; 432268291Smav list.lun_xml = str; 433255570Strasz 434255570Strasz if (ioctl(ctl_fd, CTL_LUN_LIST, &list) == -1) { 435255570Strasz log_warn("error issuing CTL_LUN_LIST ioctl"); 436268291Smav free(str); 437255570Strasz return (NULL); 438255570Strasz } 439255570Strasz 440255570Strasz if (list.status == CTL_LUN_LIST_ERROR) { 441255570Strasz log_warnx("error returned from CTL_LUN_LIST ioctl: %s", 442255570Strasz list.error_str); 443268291Smav free(str); 444255570Strasz return (NULL); 445255570Strasz } 446255570Strasz 447255570Strasz if (list.status == CTL_LUN_LIST_NEED_MORE_SPACE) { 448268291Smav len = len << 1; 449255570Strasz goto retry; 450255570Strasz } 451255570Strasz 452255570Strasz parser = XML_ParserCreate(NULL); 453255570Strasz if (parser == NULL) { 454255570Strasz log_warnx("unable to create XML parser"); 455268291Smav free(str); 456255570Strasz return (NULL); 457255570Strasz } 458255570Strasz 459255570Strasz XML_SetUserData(parser, &devlist); 460255570Strasz XML_SetElementHandler(parser, cctl_start_element, cctl_end_element); 461255570Strasz XML_SetCharacterDataHandler(parser, cctl_char_handler); 462255570Strasz 463268291Smav retval = XML_Parse(parser, str, strlen(str), 1); 464255570Strasz XML_ParserFree(parser); 465268291Smav free(str); 466255570Strasz if (retval != 1) { 467255570Strasz log_warnx("XML_Parse failed"); 468255570Strasz return (NULL); 469255570Strasz } 470255570Strasz 471268291Smav str = NULL; 472268291Smav len = 4096; 473268291Smavretry_port: 474268291Smav str = realloc(str, len); 475268291Smav if (str == NULL) 476268291Smav log_err(1, "realloc"); 477268291Smav 478268291Smav bzero(&list, sizeof(list)); 479268291Smav list.alloc_len = len; 480268291Smav list.status = CTL_LUN_LIST_NONE; 481268291Smav list.lun_xml = str; 482268291Smav 483268291Smav if (ioctl(ctl_fd, CTL_PORT_LIST, &list) == -1) { 484268291Smav log_warn("error issuing CTL_PORT_LIST ioctl"); 485268291Smav free(str); 486268291Smav return (NULL); 487268291Smav } 488268291Smav 489288259Smav if (list.status == CTL_LUN_LIST_ERROR) { 490268291Smav log_warnx("error returned from CTL_PORT_LIST ioctl: %s", 491268291Smav list.error_str); 492268291Smav free(str); 493268291Smav return (NULL); 494268291Smav } 495268291Smav 496268291Smav if (list.status == CTL_LUN_LIST_NEED_MORE_SPACE) { 497268291Smav len = len << 1; 498268291Smav goto retry_port; 499268291Smav } 500268291Smav 501268291Smav parser = XML_ParserCreate(NULL); 502268291Smav if (parser == NULL) { 503268291Smav log_warnx("unable to create XML parser"); 504268291Smav free(str); 505268291Smav return (NULL); 506268291Smav } 507268291Smav 508268291Smav XML_SetUserData(parser, &devlist); 509268291Smav XML_SetElementHandler(parser, cctl_start_pelement, cctl_end_pelement); 510268291Smav XML_SetCharacterDataHandler(parser, cctl_char_handler); 511268291Smav 512268291Smav retval = XML_Parse(parser, str, strlen(str), 1); 513268291Smav XML_ParserFree(parser); 514268291Smav free(str); 515268291Smav if (retval != 1) { 516268291Smav log_warnx("XML_Parse failed"); 517268291Smav return (NULL); 518268291Smav } 519268291Smav 520255570Strasz conf = conf_new(); 521255570Strasz 522284765Smav name = NULL; 523268291Smav STAILQ_FOREACH(port, &devlist.port_list, links) { 524288061Smav if (strcmp(port->port_frontend, "ha") == 0) 525288061Smav continue; 526290821Strasz free(name); 527290824Strasz if (port->pp == 0 && port->vp == 0) { 528284765Smav name = checked_strdup(port->port_name); 529290824Strasz } else if (port->vp == 0) { 530290824Strasz retval = asprintf(&name, "%s/%d", 531290824Strasz port->port_name, port->pp); 532290824Strasz if (retval <= 0) 533290824Strasz log_err(1, "asprintf"); 534290824Strasz } else { 535290824Strasz retval = asprintf(&name, "%s/%d/%d", 536290824Strasz port->port_name, port->pp, port->vp); 537290824Strasz if (retval <= 0) 538290824Strasz log_err(1, "asprintf"); 539290824Strasz } 540268291Smav 541268291Smav if (port->cfiscsi_target == NULL) { 542278354Smav log_debugx("CTL port %u \"%s\" wasn't managed by ctld; ", 543284765Smav port->port_id, name); 544284765Smav pp = pport_find(conf, name); 545278354Smav if (pp == NULL) { 546278354Smav#if 0 547278354Smav log_debugx("found new kernel port %u \"%s\"", 548284765Smav port->port_id, name); 549278354Smav#endif 550284765Smav pp = pport_new(conf, name, port->port_id); 551278354Smav if (pp == NULL) { 552278354Smav log_warnx("pport_new failed"); 553278354Smav continue; 554278354Smav } 555278354Smav } 556268291Smav continue; 557268291Smav } 558278322Smav if (port->cfiscsi_state != 1) { 559268328Smav log_debugx("CTL port %ju is not active (%d); ignoring", 560278322Smav (uintmax_t)port->port_id, port->cfiscsi_state); 561268328Smav continue; 562268328Smav } 563268291Smav 564268291Smav targ = target_find(conf, port->cfiscsi_target); 565268291Smav if (targ == NULL) { 566268291Smav#if 0 567268291Smav log_debugx("found new kernel target %s for CTL port %ld", 568268291Smav port->cfiscsi_target, port->port_id); 569268291Smav#endif 570268291Smav targ = target_new(conf, port->cfiscsi_target); 571268291Smav if (targ == NULL) { 572268291Smav log_warnx("target_new failed"); 573268291Smav continue; 574268291Smav } 575268291Smav } 576278322Smav 577278322Smav if (port->ctld_portal_group_name == NULL) 578278322Smav continue; 579278322Smav pg = portal_group_find(conf, port->ctld_portal_group_name); 580278322Smav if (pg == NULL) { 581278322Smav#if 0 582278322Smav log_debugx("found new kernel portal group %s for CTL port %ld", 583278322Smav port->ctld_portal_group_name, port->port_id); 584278322Smav#endif 585278322Smav pg = portal_group_new(conf, port->ctld_portal_group_name); 586278322Smav if (pg == NULL) { 587278322Smav log_warnx("portal_group_new failed"); 588278322Smav continue; 589278322Smav } 590278322Smav } 591278322Smav pg->pg_tag = port->cfiscsi_portal_group_tag; 592278322Smav cp = port_new(conf, targ, pg); 593278322Smav if (cp == NULL) { 594278322Smav log_warnx("port_new failed"); 595278322Smav continue; 596278322Smav } 597278322Smav cp->p_ctl_port = port->port_id; 598268291Smav } 599290821Strasz free(name); 600268291Smav 601255570Strasz STAILQ_FOREACH(lun, &devlist.lun_list, links) { 602255570Strasz struct cctl_lun_nv *nv; 603255570Strasz 604278037Smav if (lun->ctld_name == NULL) { 605255570Strasz log_debugx("CTL lun %ju wasn't managed by ctld; " 606255570Strasz "ignoring", (uintmax_t)lun->lun_id); 607255570Strasz continue; 608255570Strasz } 609255570Strasz 610278037Smav cl = lun_find(conf, lun->ctld_name); 611255570Strasz if (cl != NULL) { 612278037Smav log_warnx("found CTL lun %ju \"%s\", " 613278037Smav "also backed by CTL lun %d; ignoring", 614278037Smav (uintmax_t)lun->lun_id, lun->ctld_name, 615278037Smav cl->l_ctl_lun); 616255570Strasz continue; 617255570Strasz } 618255570Strasz 619278037Smav log_debugx("found CTL lun %ju \"%s\"", 620278037Smav (uintmax_t)lun->lun_id, lun->ctld_name); 621255570Strasz 622278037Smav cl = lun_new(conf, lun->ctld_name); 623255570Strasz if (cl == NULL) { 624255570Strasz log_warnx("lun_new failed"); 625255570Strasz continue; 626255570Strasz } 627255570Strasz lun_set_backend(cl, lun->backend_type); 628288310Smav lun_set_device_type(cl, lun->device_type); 629255570Strasz lun_set_blocksize(cl, lun->blocksize); 630255570Strasz lun_set_device_id(cl, lun->device_id); 631255570Strasz lun_set_serial(cl, lun->serial_number); 632255570Strasz lun_set_size(cl, lun->size_blocks * cl->l_blocksize); 633255570Strasz lun_set_ctl_lun(cl, lun->lun_id); 634255570Strasz 635255570Strasz STAILQ_FOREACH(nv, &lun->attr_list, links) { 636255570Strasz if (strcmp(nv->name, "file") == 0 || 637255570Strasz strcmp(nv->name, "dev") == 0) { 638255570Strasz lun_set_path(cl, nv->value); 639255570Strasz continue; 640255570Strasz } 641290615Smav o = option_new(&cl->l_options, nv->name, nv->value); 642290615Smav if (o == NULL) 643255570Strasz log_warnx("unable to add CTL lun option %s " 644278037Smav "for CTL lun %ju \"%s\"", 645255570Strasz nv->name, (uintmax_t) lun->lun_id, 646278037Smav cl->l_name); 647255570Strasz } 648255570Strasz } 649255570Strasz 650255570Strasz return (conf); 651255570Strasz} 652255570Strasz 653268291Smavstatic void 654268291Smavstr_arg(struct ctl_be_arg *arg, const char *name, const char *value) 655268291Smav{ 656268291Smav 657268291Smav arg->namelen = strlen(name) + 1; 658268291Smav arg->name = __DECONST(char *, name); 659268291Smav arg->vallen = strlen(value) + 1; 660268291Smav arg->value = __DECONST(char *, value); 661268291Smav arg->flags = CTL_BEARG_ASCII | CTL_BEARG_RD; 662268291Smav} 663268291Smav 664255570Straszint 665255570Straszkernel_lun_add(struct lun *lun) 666255570Strasz{ 667290615Smav struct option *o; 668255570Strasz struct ctl_lun_req req; 669255570Strasz int error, i, num_options; 670255570Strasz 671255570Strasz bzero(&req, sizeof(req)); 672255570Strasz 673255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 674255570Strasz req.reqtype = CTL_LUNREQ_CREATE; 675255570Strasz 676255570Strasz req.reqdata.create.blocksize_bytes = lun->l_blocksize; 677255570Strasz 678255570Strasz if (lun->l_size != 0) 679255570Strasz req.reqdata.create.lun_size_bytes = lun->l_size; 680255570Strasz 681287823Smav if (lun->l_ctl_lun >= 0) { 682287823Smav req.reqdata.create.req_lun_id = lun->l_ctl_lun; 683287823Smav req.reqdata.create.flags |= CTL_LUN_FLAG_ID_REQ; 684287823Smav } 685287823Smav 686255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_DEV_TYPE; 687288310Smav req.reqdata.create.device_type = lun->l_device_type; 688255570Strasz 689255570Strasz if (lun->l_serial != NULL) { 690267648Smav strncpy(req.reqdata.create.serial_num, lun->l_serial, 691255570Strasz sizeof(req.reqdata.create.serial_num)); 692255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_SERIAL_NUM; 693255570Strasz } 694255570Strasz 695255570Strasz if (lun->l_device_id != NULL) { 696267648Smav strncpy(req.reqdata.create.device_id, lun->l_device_id, 697255570Strasz sizeof(req.reqdata.create.device_id)); 698255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_DEVID; 699255570Strasz } 700255570Strasz 701255570Strasz if (lun->l_path != NULL) { 702290615Smav o = option_find(&lun->l_options, "file"); 703290615Smav if (o != NULL) { 704290615Smav option_set(o, lun->l_path); 705255570Strasz } else { 706290615Smav o = option_new(&lun->l_options, "file", lun->l_path); 707290615Smav assert(o != NULL); 708255570Strasz } 709255570Strasz } 710255570Strasz 711290615Smav o = option_find(&lun->l_options, "ctld_name"); 712290615Smav if (o != NULL) { 713290615Smav option_set(o, lun->l_name); 714255570Strasz } else { 715290615Smav o = option_new(&lun->l_options, "ctld_name", lun->l_name); 716290615Smav assert(o != NULL); 717255570Strasz } 718255570Strasz 719290615Smav o = option_find(&lun->l_options, "scsiname"); 720290615Smav if (o == NULL && lun->l_scsiname != NULL) { 721290615Smav o = option_new(&lun->l_options, "scsiname", lun->l_scsiname); 722290615Smav assert(o != NULL); 723268293Smav } 724268293Smav 725255570Strasz num_options = 0; 726290615Smav TAILQ_FOREACH(o, &lun->l_options, o_next) 727255570Strasz num_options++; 728255570Strasz 729255570Strasz req.num_be_args = num_options; 730255570Strasz if (num_options > 0) { 731255570Strasz req.be_args = malloc(num_options * sizeof(*req.be_args)); 732255570Strasz if (req.be_args == NULL) { 733255570Strasz log_warn("error allocating %zd bytes", 734255570Strasz num_options * sizeof(*req.be_args)); 735255570Strasz return (1); 736255570Strasz } 737255570Strasz 738255570Strasz i = 0; 739290615Smav TAILQ_FOREACH(o, &lun->l_options, o_next) { 740290615Smav str_arg(&req.be_args[i], o->o_name, o->o_value); 741255570Strasz i++; 742255570Strasz } 743255570Strasz assert(i == num_options); 744255570Strasz } 745255570Strasz 746255570Strasz error = ioctl(ctl_fd, CTL_LUN_REQ, &req); 747255570Strasz free(req.be_args); 748255570Strasz if (error != 0) { 749255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 750255570Strasz return (1); 751255570Strasz } 752255570Strasz 753272911Smav switch (req.status) { 754272911Smav case CTL_LUN_ERROR: 755272911Smav log_warnx("LUN creation error: %s", req.error_str); 756255570Strasz return (1); 757272911Smav case CTL_LUN_WARNING: 758272911Smav log_warnx("LUN creation warning: %s", req.error_str); 759272911Smav break; 760272911Smav case CTL_LUN_OK: 761272911Smav break; 762272911Smav default: 763272911Smav log_warnx("unknown LUN creation status: %d", 764255570Strasz req.status); 765255570Strasz return (1); 766255570Strasz } 767255570Strasz 768255570Strasz lun_set_ctl_lun(lun, req.reqdata.create.req_lun_id); 769255570Strasz return (0); 770255570Strasz} 771255570Strasz 772255570Straszint 773287500Smavkernel_lun_modify(struct lun *lun) 774255570Strasz{ 775290615Smav struct option *o; 776255570Strasz struct ctl_lun_req req; 777287500Smav int error, i, num_options; 778255570Strasz 779255570Strasz bzero(&req, sizeof(req)); 780255570Strasz 781255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 782255570Strasz req.reqtype = CTL_LUNREQ_MODIFY; 783255570Strasz 784255570Strasz req.reqdata.modify.lun_id = lun->l_ctl_lun; 785255570Strasz req.reqdata.modify.lun_size_bytes = lun->l_size; 786255570Strasz 787287500Smav num_options = 0; 788290615Smav TAILQ_FOREACH(o, &lun->l_options, o_next) 789287500Smav num_options++; 790287500Smav 791287500Smav req.num_be_args = num_options; 792287500Smav if (num_options > 0) { 793287500Smav req.be_args = malloc(num_options * sizeof(*req.be_args)); 794287500Smav if (req.be_args == NULL) { 795287500Smav log_warn("error allocating %zd bytes", 796287500Smav num_options * sizeof(*req.be_args)); 797287500Smav return (1); 798287500Smav } 799287500Smav 800287500Smav i = 0; 801290615Smav TAILQ_FOREACH(o, &lun->l_options, o_next) { 802290615Smav str_arg(&req.be_args[i], o->o_name, o->o_value); 803287500Smav i++; 804287500Smav } 805287500Smav assert(i == num_options); 806287500Smav } 807287500Smav 808287500Smav error = ioctl(ctl_fd, CTL_LUN_REQ, &req); 809287500Smav free(req.be_args); 810287500Smav if (error != 0) { 811255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 812255570Strasz return (1); 813255570Strasz } 814255570Strasz 815272911Smav switch (req.status) { 816272911Smav case CTL_LUN_ERROR: 817272911Smav log_warnx("LUN modification error: %s", req.error_str); 818255570Strasz return (1); 819272911Smav case CTL_LUN_WARNING: 820272911Smav log_warnx("LUN modification warning: %s", req.error_str); 821272911Smav break; 822272911Smav case CTL_LUN_OK: 823272911Smav break; 824272911Smav default: 825272911Smav log_warnx("unknown LUN modification status: %d", 826255570Strasz req.status); 827255570Strasz return (1); 828255570Strasz } 829255570Strasz 830255570Strasz return (0); 831255570Strasz} 832255570Strasz 833255570Straszint 834255570Straszkernel_lun_remove(struct lun *lun) 835255570Strasz{ 836255570Strasz struct ctl_lun_req req; 837255570Strasz 838255570Strasz bzero(&req, sizeof(req)); 839255570Strasz 840255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 841255570Strasz req.reqtype = CTL_LUNREQ_RM; 842255570Strasz 843255570Strasz req.reqdata.rm.lun_id = lun->l_ctl_lun; 844255570Strasz 845255570Strasz if (ioctl(ctl_fd, CTL_LUN_REQ, &req) == -1) { 846255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 847255570Strasz return (1); 848255570Strasz } 849255570Strasz 850272911Smav switch (req.status) { 851272911Smav case CTL_LUN_ERROR: 852272911Smav log_warnx("LUN removal error: %s", req.error_str); 853255570Strasz return (1); 854272911Smav case CTL_LUN_WARNING: 855272911Smav log_warnx("LUN removal warning: %s", req.error_str); 856272911Smav break; 857272911Smav case CTL_LUN_OK: 858272911Smav break; 859272911Smav default: 860272911Smav log_warnx("unknown LUN removal status: %d", req.status); 861255570Strasz return (1); 862255570Strasz } 863255570Strasz 864255570Strasz return (0); 865255570Strasz} 866255570Strasz 867255570Straszvoid 868255570Straszkernel_handoff(struct connection *conn) 869255570Strasz{ 870255570Strasz struct ctl_iscsi req; 871255570Strasz 872255570Strasz bzero(&req, sizeof(req)); 873255570Strasz 874255570Strasz req.type = CTL_ISCSI_HANDOFF; 875255570Strasz strlcpy(req.data.handoff.initiator_name, 876255570Strasz conn->conn_initiator_name, sizeof(req.data.handoff.initiator_name)); 877255570Strasz strlcpy(req.data.handoff.initiator_addr, 878255570Strasz conn->conn_initiator_addr, sizeof(req.data.handoff.initiator_addr)); 879255570Strasz if (conn->conn_initiator_alias != NULL) { 880255570Strasz strlcpy(req.data.handoff.initiator_alias, 881255570Strasz conn->conn_initiator_alias, sizeof(req.data.handoff.initiator_alias)); 882255570Strasz } 883268302Smav memcpy(req.data.handoff.initiator_isid, conn->conn_initiator_isid, 884268302Smav sizeof(req.data.handoff.initiator_isid)); 885255570Strasz strlcpy(req.data.handoff.target_name, 886261757Strasz conn->conn_target->t_name, sizeof(req.data.handoff.target_name)); 887279392Strasz if (conn->conn_portal->p_portal_group->pg_offload != NULL) { 888278331Strasz strlcpy(req.data.handoff.offload, 889279392Strasz conn->conn_portal->p_portal_group->pg_offload, 890279392Strasz sizeof(req.data.handoff.offload)); 891278331Strasz } 892264524Strasz#ifdef ICL_KERNEL_PROXY 893264524Strasz if (proxy_mode) 894264524Strasz req.data.handoff.connection_id = conn->conn_socket; 895264524Strasz else 896264524Strasz req.data.handoff.socket = conn->conn_socket; 897264524Strasz#else 898255570Strasz req.data.handoff.socket = conn->conn_socket; 899264524Strasz#endif 900255570Strasz req.data.handoff.portal_group_tag = 901255570Strasz conn->conn_portal->p_portal_group->pg_tag; 902255570Strasz if (conn->conn_header_digest == CONN_DIGEST_CRC32C) 903255570Strasz req.data.handoff.header_digest = CTL_ISCSI_DIGEST_CRC32C; 904255570Strasz if (conn->conn_data_digest == CONN_DIGEST_CRC32C) 905255570Strasz req.data.handoff.data_digest = CTL_ISCSI_DIGEST_CRC32C; 906255570Strasz req.data.handoff.cmdsn = conn->conn_cmdsn; 907255570Strasz req.data.handoff.statsn = conn->conn_statsn; 908255570Strasz req.data.handoff.max_recv_data_segment_length = 909255570Strasz conn->conn_max_data_segment_length; 910255570Strasz req.data.handoff.max_burst_length = conn->conn_max_burst_length; 911301437Strasz req.data.handoff.first_burst_length = conn->conn_first_burst_length; 912255570Strasz req.data.handoff.immediate_data = conn->conn_immediate_data; 913255570Strasz 914264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 915255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 916255570Strasz "dropping connection"); 917264526Strasz } 918255570Strasz 919264526Strasz if (req.status != CTL_ISCSI_OK) { 920255570Strasz log_errx(1, "error returned from CTL iSCSI handoff request: " 921255570Strasz "%s; dropping connection", req.error_str); 922264526Strasz } 923255570Strasz} 924255570Strasz 925278331Straszvoid 926278331Straszkernel_limits(const char *offload, size_t *max_data_segment_length) 927278331Strasz{ 928278331Strasz struct ctl_iscsi req; 929278331Strasz 930278331Strasz bzero(&req, sizeof(req)); 931278331Strasz 932278331Strasz req.type = CTL_ISCSI_LIMITS; 933278331Strasz if (offload != NULL) { 934278331Strasz strlcpy(req.data.limits.offload, offload, 935278331Strasz sizeof(req.data.limits.offload)); 936278331Strasz } 937278331Strasz 938278331Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 939278331Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 940278331Strasz "dropping connection"); 941278331Strasz } 942278331Strasz 943278331Strasz if (req.status != CTL_ISCSI_OK) { 944278331Strasz log_errx(1, "error returned from CTL iSCSI limits request: " 945278331Strasz "%s; dropping connection", req.error_str); 946278331Strasz } 947278331Strasz 948278331Strasz *max_data_segment_length = req.data.limits.data_segment_limit; 949278331Strasz if (offload != NULL) { 950278331Strasz log_debugx("MaxRecvDataSegment kernel limit for offload " 951278331Strasz "\"%s\" is %zd", offload, *max_data_segment_length); 952278331Strasz } else { 953278331Strasz log_debugx("MaxRecvDataSegment kernel limit is %zd", 954278331Strasz *max_data_segment_length); 955278331Strasz } 956278331Strasz} 957278331Strasz 958255570Straszint 959278322Smavkernel_port_add(struct port *port) 960255570Strasz{ 961290615Smav struct option *o; 962255570Strasz struct ctl_port_entry entry; 963268291Smav struct ctl_req req; 964278037Smav struct ctl_lun_map lm; 965278322Smav struct target *targ = port->p_target; 966278322Smav struct portal_group *pg = port->p_portal_group; 967268291Smav char tagstr[16]; 968278322Smav int error, i, n; 969255570Strasz 970278037Smav /* Create iSCSI port. */ 971278354Smav if (port->p_portal_group) { 972278354Smav bzero(&req, sizeof(req)); 973278354Smav strlcpy(req.driver, "iscsi", sizeof(req.driver)); 974278354Smav req.reqtype = CTL_REQ_CREATE; 975279276Smav req.num_args = 5; 976290615Smav TAILQ_FOREACH(o, &pg->pg_options, o_next) 977290615Smav req.num_args++; 978278354Smav req.args = malloc(req.num_args * sizeof(*req.args)); 979279276Smav if (req.args == NULL) 980279276Smav log_err(1, "malloc"); 981278354Smav n = 0; 982278354Smav req.args[n].namelen = sizeof("port_id"); 983278354Smav req.args[n].name = __DECONST(char *, "port_id"); 984278354Smav req.args[n].vallen = sizeof(port->p_ctl_port); 985278354Smav req.args[n].value = &port->p_ctl_port; 986278354Smav req.args[n++].flags = CTL_BEARG_WR; 987278354Smav str_arg(&req.args[n++], "cfiscsi_target", targ->t_name); 988278354Smav snprintf(tagstr, sizeof(tagstr), "%d", pg->pg_tag); 989278354Smav str_arg(&req.args[n++], "cfiscsi_portal_group_tag", tagstr); 990278354Smav if (targ->t_alias) 991278354Smav str_arg(&req.args[n++], "cfiscsi_target_alias", targ->t_alias); 992278354Smav str_arg(&req.args[n++], "ctld_portal_group_name", pg->pg_name); 993290615Smav TAILQ_FOREACH(o, &pg->pg_options, o_next) 994290615Smav str_arg(&req.args[n++], o->o_name, o->o_value); 995278354Smav req.num_args = n; 996278354Smav error = ioctl(ctl_fd, CTL_PORT_REQ, &req); 997278354Smav free(req.args); 998278354Smav if (error != 0) { 999278354Smav log_warn("error issuing CTL_PORT_REQ ioctl"); 1000278354Smav return (1); 1001278354Smav } 1002278354Smav if (req.status == CTL_LUN_ERROR) { 1003278354Smav log_warnx("error returned from port creation request: %s", 1004278354Smav req.error_str); 1005278354Smav return (1); 1006278354Smav } 1007278354Smav if (req.status != CTL_LUN_OK) { 1008278354Smav log_warnx("unknown port creation request status %d", 1009278354Smav req.status); 1010278354Smav return (1); 1011278354Smav } 1012279590Smav } else if (port->p_pport) { 1013278354Smav port->p_ctl_port = port->p_pport->pp_ctl_port; 1014268291Smav 1015279590Smav if (strncmp(targ->t_name, "naa.", 4) == 0 && 1016279590Smav strlen(targ->t_name) == 20) { 1017279590Smav bzero(&entry, sizeof(entry)); 1018279590Smav entry.port_type = CTL_PORT_NONE; 1019279590Smav entry.targ_port = port->p_ctl_port; 1020279590Smav entry.flags |= CTL_PORT_WWNN_VALID; 1021279590Smav entry.wwnn = strtoull(targ->t_name + 4, NULL, 16); 1022279590Smav if (ioctl(ctl_fd, CTL_SET_PORT_WWNS, &entry) == -1) 1023279590Smav log_warn("CTL_SET_PORT_WWNS ioctl failed"); 1024279590Smav } 1025279590Smav } 1026279590Smav 1027278037Smav /* Explicitly enable mapping to block any access except allowed. */ 1028278322Smav lm.port = port->p_ctl_port; 1029278037Smav lm.plun = UINT32_MAX; 1030278037Smav lm.lun = 0; 1031278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1032278037Smav if (error != 0) 1033278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 1034278037Smav 1035278037Smav /* Map configured LUNs */ 1036278037Smav for (i = 0; i < MAX_LUNS; i++) { 1037278037Smav if (targ->t_luns[i] == NULL) 1038278037Smav continue; 1039278322Smav lm.port = port->p_ctl_port; 1040278037Smav lm.plun = i; 1041278037Smav lm.lun = targ->t_luns[i]->l_ctl_lun; 1042278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1043278037Smav if (error != 0) 1044278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 1045278037Smav } 1046278037Smav 1047278037Smav /* Enable port */ 1048255678Strasz bzero(&entry, sizeof(entry)); 1049278322Smav entry.targ_port = port->p_ctl_port; 1050255570Strasz error = ioctl(ctl_fd, CTL_ENABLE_PORT, &entry); 1051255570Strasz if (error != 0) { 1052255570Strasz log_warn("CTL_ENABLE_PORT ioctl failed"); 1053255570Strasz return (-1); 1054255570Strasz } 1055255570Strasz 1056255570Strasz return (0); 1057255570Strasz} 1058255570Strasz 1059255570Straszint 1060287757Smavkernel_port_update(struct port *port, struct port *oport) 1061278037Smav{ 1062278037Smav struct ctl_lun_map lm; 1063278322Smav struct target *targ = port->p_target; 1064287757Smav struct target *otarg = oport->p_target; 1065278037Smav int error, i; 1066287757Smav uint32_t olun; 1067278037Smav 1068278037Smav /* Map configured LUNs and unmap others */ 1069278037Smav for (i = 0; i < MAX_LUNS; i++) { 1070278322Smav lm.port = port->p_ctl_port; 1071278037Smav lm.plun = i; 1072278037Smav if (targ->t_luns[i] == NULL) 1073278037Smav lm.lun = UINT32_MAX; 1074278037Smav else 1075278037Smav lm.lun = targ->t_luns[i]->l_ctl_lun; 1076287757Smav if (otarg->t_luns[i] == NULL) 1077287757Smav olun = UINT32_MAX; 1078287757Smav else 1079287757Smav olun = otarg->t_luns[i]->l_ctl_lun; 1080287757Smav if (lm.lun == olun) 1081287757Smav continue; 1082278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1083278037Smav if (error != 0) 1084278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 1085278037Smav } 1086278037Smav return (0); 1087278037Smav} 1088278037Smav 1089278037Smavint 1090278322Smavkernel_port_remove(struct port *port) 1091255570Strasz{ 1092278354Smav struct ctl_port_entry entry; 1093278354Smav struct ctl_lun_map lm; 1094268291Smav struct ctl_req req; 1095268291Smav char tagstr[16]; 1096278322Smav struct target *targ = port->p_target; 1097278322Smav struct portal_group *pg = port->p_portal_group; 1098255570Strasz int error; 1099255570Strasz 1100278354Smav /* Disable port */ 1101278354Smav bzero(&entry, sizeof(entry)); 1102278354Smav entry.targ_port = port->p_ctl_port; 1103278354Smav error = ioctl(ctl_fd, CTL_DISABLE_PORT, &entry); 1104255570Strasz if (error != 0) { 1105278354Smav log_warn("CTL_DISABLE_PORT ioctl failed"); 1106278354Smav return (-1); 1107255570Strasz } 1108255570Strasz 1109278354Smav /* Remove iSCSI port. */ 1110278354Smav if (port->p_portal_group) { 1111278354Smav bzero(&req, sizeof(req)); 1112278354Smav strlcpy(req.driver, "iscsi", sizeof(req.driver)); 1113278354Smav req.reqtype = CTL_REQ_REMOVE; 1114278354Smav req.num_args = 2; 1115278354Smav req.args = malloc(req.num_args * sizeof(*req.args)); 1116279276Smav if (req.args == NULL) 1117279276Smav log_err(1, "malloc"); 1118278354Smav str_arg(&req.args[0], "cfiscsi_target", targ->t_name); 1119278354Smav snprintf(tagstr, sizeof(tagstr), "%d", pg->pg_tag); 1120278354Smav str_arg(&req.args[1], "cfiscsi_portal_group_tag", tagstr); 1121278354Smav error = ioctl(ctl_fd, CTL_PORT_REQ, &req); 1122278354Smav free(req.args); 1123278354Smav if (error != 0) { 1124278354Smav log_warn("error issuing CTL_PORT_REQ ioctl"); 1125278354Smav return (1); 1126278354Smav } 1127278354Smav if (req.status == CTL_LUN_ERROR) { 1128278354Smav log_warnx("error returned from port removal request: %s", 1129278354Smav req.error_str); 1130278354Smav return (1); 1131278354Smav } 1132278354Smav if (req.status != CTL_LUN_OK) { 1133278354Smav log_warnx("unknown port removal request status %d", 1134278354Smav req.status); 1135278354Smav return (1); 1136278354Smav } 1137278354Smav } else { 1138278354Smav /* Disable LUN mapping. */ 1139278354Smav lm.port = port->p_ctl_port; 1140278354Smav lm.plun = UINT32_MAX; 1141278354Smav lm.lun = UINT32_MAX; 1142278354Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1143278354Smav if (error != 0) 1144278354Smav log_warn("CTL_LUN_MAP ioctl failed"); 1145268291Smav } 1146255570Strasz return (0); 1147255570Strasz} 1148255570Strasz 1149255570Strasz#ifdef ICL_KERNEL_PROXY 1150255570Straszvoid 1151264526Straszkernel_listen(struct addrinfo *ai, bool iser, int portal_id) 1152255570Strasz{ 1153255570Strasz struct ctl_iscsi req; 1154255570Strasz 1155255570Strasz bzero(&req, sizeof(req)); 1156255570Strasz 1157255570Strasz req.type = CTL_ISCSI_LISTEN; 1158255570Strasz req.data.listen.iser = iser; 1159255570Strasz req.data.listen.domain = ai->ai_family; 1160255570Strasz req.data.listen.socktype = ai->ai_socktype; 1161255570Strasz req.data.listen.protocol = ai->ai_protocol; 1162255570Strasz req.data.listen.addr = ai->ai_addr; 1163255570Strasz req.data.listen.addrlen = ai->ai_addrlen; 1164264526Strasz req.data.listen.portal_id = portal_id; 1165255570Strasz 1166264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) 1167261765Strasz log_err(1, "error issuing CTL_ISCSI ioctl"); 1168261765Strasz 1169261765Strasz if (req.status != CTL_ISCSI_OK) { 1170261765Strasz log_errx(1, "error returned from CTL iSCSI listen: %s", 1171261765Strasz req.error_str); 1172261765Strasz } 1173255570Strasz} 1174255570Strasz 1175264526Straszvoid 1176264530Straszkernel_accept(int *connection_id, int *portal_id, 1177264530Strasz struct sockaddr *client_sa, socklen_t *client_salen) 1178255570Strasz{ 1179255570Strasz struct ctl_iscsi req; 1180264530Strasz struct sockaddr_storage ss; 1181255570Strasz 1182255570Strasz bzero(&req, sizeof(req)); 1183255570Strasz 1184255570Strasz req.type = CTL_ISCSI_ACCEPT; 1185264530Strasz req.data.accept.initiator_addr = (struct sockaddr *)&ss; 1186255570Strasz 1187264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) 1188264526Strasz log_err(1, "error issuing CTL_ISCSI ioctl"); 1189255570Strasz 1190261765Strasz if (req.status != CTL_ISCSI_OK) { 1191264526Strasz log_errx(1, "error returned from CTL iSCSI accept: %s", 1192261765Strasz req.error_str); 1193261765Strasz } 1194261765Strasz 1195264526Strasz *connection_id = req.data.accept.connection_id; 1196264526Strasz *portal_id = req.data.accept.portal_id; 1197264530Strasz *client_salen = req.data.accept.initiator_addrlen; 1198264530Strasz memcpy(client_sa, &ss, *client_salen); 1199255570Strasz} 1200255570Strasz 1201255570Straszvoid 1202255570Straszkernel_send(struct pdu *pdu) 1203255570Strasz{ 1204255570Strasz struct ctl_iscsi req; 1205255570Strasz 1206255570Strasz bzero(&req, sizeof(req)); 1207255570Strasz 1208255570Strasz req.type = CTL_ISCSI_SEND; 1209255570Strasz req.data.send.connection_id = pdu->pdu_connection->conn_socket; 1210255570Strasz req.data.send.bhs = pdu->pdu_bhs; 1211255570Strasz req.data.send.data_segment_len = pdu->pdu_data_len; 1212255570Strasz req.data.send.data_segment = pdu->pdu_data; 1213255570Strasz 1214261765Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 1215255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 1216255570Strasz "dropping connection"); 1217261765Strasz } 1218255570Strasz 1219261765Strasz if (req.status != CTL_ISCSI_OK) { 1220255570Strasz log_errx(1, "error returned from CTL iSCSI send: " 1221255570Strasz "%s; dropping connection", req.error_str); 1222261765Strasz } 1223255570Strasz} 1224255570Strasz 1225255570Straszvoid 1226255570Straszkernel_receive(struct pdu *pdu) 1227255570Strasz{ 1228255570Strasz struct ctl_iscsi req; 1229255570Strasz 1230255570Strasz pdu->pdu_data = malloc(MAX_DATA_SEGMENT_LENGTH); 1231255570Strasz if (pdu->pdu_data == NULL) 1232255570Strasz log_err(1, "malloc"); 1233255570Strasz 1234255570Strasz bzero(&req, sizeof(req)); 1235255570Strasz 1236255570Strasz req.type = CTL_ISCSI_RECEIVE; 1237255570Strasz req.data.receive.connection_id = pdu->pdu_connection->conn_socket; 1238255570Strasz req.data.receive.bhs = pdu->pdu_bhs; 1239255570Strasz req.data.receive.data_segment_len = MAX_DATA_SEGMENT_LENGTH; 1240255570Strasz req.data.receive.data_segment = pdu->pdu_data; 1241255570Strasz 1242261765Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 1243255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 1244255570Strasz "dropping connection"); 1245261765Strasz } 1246255570Strasz 1247261765Strasz if (req.status != CTL_ISCSI_OK) { 1248255570Strasz log_errx(1, "error returned from CTL iSCSI receive: " 1249255570Strasz "%s; dropping connection", req.error_str); 1250261765Strasz } 1251255570Strasz 1252255570Strasz} 1253255570Strasz 1254255570Strasz#endif /* ICL_KERNEL_PROXY */ 1255255570Strasz 1256255570Strasz/* 1257255570Strasz * XXX: I CANT INTO LATIN 1258255570Strasz */ 1259255570Straszvoid 1260255570Straszkernel_capsicate(void) 1261255570Strasz{ 1262255570Strasz int error; 1263255570Strasz cap_rights_t rights; 1264255570Strasz const unsigned long cmds[] = { CTL_ISCSI }; 1265255570Strasz 1266255570Strasz cap_rights_init(&rights, CAP_IOCTL); 1267255570Strasz error = cap_rights_limit(ctl_fd, &rights); 1268255570Strasz if (error != 0 && errno != ENOSYS) 1269255570Strasz log_err(1, "cap_rights_limit"); 1270255570Strasz 1271317062Saraujo error = cap_ioctls_limit(ctl_fd, cmds, nitems(cmds)); 1272317062Saraujo 1273255570Strasz if (error != 0 && errno != ENOSYS) 1274255570Strasz log_err(1, "cap_ioctls_limit"); 1275255570Strasz 1276255570Strasz error = cap_enter(); 1277255570Strasz if (error != 0 && errno != ENOSYS) 1278255570Strasz log_err(1, "cap_enter"); 1279255570Strasz 1280255570Strasz if (cap_sandboxed()) 1281255570Strasz log_debugx("Capsicum capability mode enabled"); 1282255570Strasz else 1283255570Strasz log_warnx("Capsicum capability mode not supported"); 1284255570Strasz} 1285255570Strasz 1286