kernel.c revision 279590
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: head/usr.sbin/ctld/kernel.c 279590 2015-03-04 14:12:38Z mav $"); 39270279Strasz 40255570Strasz#include <sys/ioctl.h> 41255570Strasz#include <sys/types.h> 42255570Strasz#include <sys/stat.h> 43255570Strasz#include <sys/param.h> 44255570Strasz#include <sys/linker.h> 45255570Strasz#include <sys/queue.h> 46255570Strasz#include <sys/callout.h> 47255570Strasz#include <sys/sbuf.h> 48263234Srwatson#include <sys/capsicum.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_frontend_internal.h> 64255570Strasz#include <cam/ctl/ctl_backend.h> 65255570Strasz#include <cam/ctl/ctl_ioctl.h> 66255570Strasz#include <cam/ctl/ctl_backend_block.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); 96255570Strasz} 97255570Strasz 98255570Strasz/* 99255570Strasz * Name/value pair used for per-LUN attributes. 100255570Strasz */ 101255570Straszstruct cctl_lun_nv { 102255570Strasz char *name; 103255570Strasz char *value; 104255570Strasz STAILQ_ENTRY(cctl_lun_nv) links; 105255570Strasz}; 106255570Strasz 107255570Strasz/* 108273464Strasz * Backend LUN information. 109255570Strasz */ 110255570Straszstruct cctl_lun { 111255570Strasz uint64_t lun_id; 112255570Strasz char *backend_type; 113255570Strasz uint64_t size_blocks; 114255570Strasz uint32_t blocksize; 115255570Strasz char *serial_number; 116255570Strasz char *device_id; 117278037Smav char *ctld_name; 118255570Strasz STAILQ_HEAD(,cctl_lun_nv) attr_list; 119255570Strasz STAILQ_ENTRY(cctl_lun) links; 120255570Strasz}; 121255570Strasz 122268291Smavstruct cctl_port { 123268291Smav uint32_t port_id; 124278354Smav char *port_name; 125278322Smav int cfiscsi_state; 126268291Smav char *cfiscsi_target; 127268291Smav uint16_t cfiscsi_portal_group_tag; 128278322Smav char *ctld_portal_group_name; 129268291Smav STAILQ_HEAD(,cctl_lun_nv) attr_list; 130268291Smav STAILQ_ENTRY(cctl_port) links; 131268291Smav}; 132268291Smav 133255570Straszstruct cctl_devlist_data { 134255570Strasz int num_luns; 135255570Strasz STAILQ_HEAD(,cctl_lun) lun_list; 136255570Strasz struct cctl_lun *cur_lun; 137268291Smav int num_ports; 138268291Smav STAILQ_HEAD(,cctl_port) port_list; 139268291Smav struct cctl_port *cur_port; 140255570Strasz int level; 141255570Strasz struct sbuf *cur_sb[32]; 142255570Strasz}; 143255570Strasz 144255570Straszstatic void 145255570Straszcctl_start_element(void *user_data, const char *name, const char **attr) 146255570Strasz{ 147255570Strasz int i; 148255570Strasz struct cctl_devlist_data *devlist; 149255570Strasz struct cctl_lun *cur_lun; 150255570Strasz 151255570Strasz devlist = (struct cctl_devlist_data *)user_data; 152255570Strasz cur_lun = devlist->cur_lun; 153255570Strasz devlist->level++; 154256189Strasz if ((u_int)devlist->level >= (sizeof(devlist->cur_sb) / 155255570Strasz sizeof(devlist->cur_sb[0]))) 156255570Strasz log_errx(1, "%s: too many nesting levels, %zd max", __func__, 157255570Strasz sizeof(devlist->cur_sb) / sizeof(devlist->cur_sb[0])); 158255570Strasz 159255570Strasz devlist->cur_sb[devlist->level] = sbuf_new_auto(); 160255570Strasz if (devlist->cur_sb[devlist->level] == NULL) 161255570Strasz log_err(1, "%s: unable to allocate sbuf", __func__); 162255570Strasz 163255570Strasz if (strcmp(name, "lun") == 0) { 164255570Strasz if (cur_lun != NULL) 165255570Strasz log_errx(1, "%s: improper lun element nesting", 166255570Strasz __func__); 167255570Strasz 168255570Strasz cur_lun = calloc(1, sizeof(*cur_lun)); 169255570Strasz if (cur_lun == NULL) 170255570Strasz log_err(1, "%s: cannot allocate %zd bytes", __func__, 171255570Strasz sizeof(*cur_lun)); 172255570Strasz 173255570Strasz devlist->num_luns++; 174255570Strasz devlist->cur_lun = cur_lun; 175255570Strasz 176255570Strasz STAILQ_INIT(&cur_lun->attr_list); 177255570Strasz STAILQ_INSERT_TAIL(&devlist->lun_list, cur_lun, links); 178255570Strasz 179255570Strasz for (i = 0; attr[i] != NULL; i += 2) { 180255570Strasz if (strcmp(attr[i], "id") == 0) { 181255570Strasz cur_lun->lun_id = strtoull(attr[i+1], NULL, 0); 182255570Strasz } else { 183255570Strasz log_errx(1, "%s: invalid LUN attribute %s = %s", 184255570Strasz __func__, attr[i], attr[i+1]); 185255570Strasz } 186255570Strasz } 187255570Strasz } 188255570Strasz} 189255570Strasz 190255570Straszstatic void 191255570Straszcctl_end_element(void *user_data, const char *name) 192255570Strasz{ 193255570Strasz struct cctl_devlist_data *devlist; 194255570Strasz struct cctl_lun *cur_lun; 195255570Strasz char *str; 196255570Strasz 197255570Strasz devlist = (struct cctl_devlist_data *)user_data; 198255570Strasz cur_lun = devlist->cur_lun; 199255570Strasz 200255570Strasz if ((cur_lun == NULL) 201255570Strasz && (strcmp(name, "ctllunlist") != 0)) 202255570Strasz log_errx(1, "%s: cur_lun == NULL! (name = %s)", __func__, name); 203255570Strasz 204255570Strasz if (devlist->cur_sb[devlist->level] == NULL) 205255570Strasz log_errx(1, "%s: no valid sbuf at level %d (name %s)", __func__, 206255570Strasz devlist->level, name); 207255570Strasz 208255570Strasz sbuf_finish(devlist->cur_sb[devlist->level]); 209255570Strasz str = checked_strdup(sbuf_data(devlist->cur_sb[devlist->level])); 210255570Strasz 211255570Strasz if (strlen(str) == 0) { 212255570Strasz free(str); 213255570Strasz str = NULL; 214255570Strasz } 215255570Strasz 216255570Strasz sbuf_delete(devlist->cur_sb[devlist->level]); 217255570Strasz devlist->cur_sb[devlist->level] = NULL; 218255570Strasz devlist->level--; 219255570Strasz 220255570Strasz if (strcmp(name, "backend_type") == 0) { 221255570Strasz cur_lun->backend_type = str; 222255570Strasz str = NULL; 223255570Strasz } else if (strcmp(name, "size") == 0) { 224255570Strasz cur_lun->size_blocks = strtoull(str, NULL, 0); 225255570Strasz } else if (strcmp(name, "blocksize") == 0) { 226255570Strasz cur_lun->blocksize = strtoul(str, NULL, 0); 227255570Strasz } else if (strcmp(name, "serial_number") == 0) { 228255570Strasz cur_lun->serial_number = str; 229255570Strasz str = NULL; 230255570Strasz } else if (strcmp(name, "device_id") == 0) { 231255570Strasz cur_lun->device_id = str; 232255570Strasz str = NULL; 233278037Smav } else if (strcmp(name, "ctld_name") == 0) { 234278037Smav cur_lun->ctld_name = str; 235255570Strasz str = NULL; 236255570Strasz } else if (strcmp(name, "lun") == 0) { 237255570Strasz devlist->cur_lun = NULL; 238255570Strasz } else if (strcmp(name, "ctllunlist") == 0) { 239273464Strasz /* Nothing. */ 240255570Strasz } else { 241255570Strasz struct cctl_lun_nv *nv; 242255570Strasz 243255570Strasz nv = calloc(1, sizeof(*nv)); 244255570Strasz if (nv == NULL) 245255570Strasz log_err(1, "%s: can't allocate %zd bytes for nv pair", 246255570Strasz __func__, sizeof(*nv)); 247255570Strasz 248255570Strasz nv->name = checked_strdup(name); 249255570Strasz 250255570Strasz nv->value = str; 251255570Strasz str = NULL; 252255570Strasz STAILQ_INSERT_TAIL(&cur_lun->attr_list, nv, links); 253255570Strasz } 254255570Strasz 255255570Strasz free(str); 256255570Strasz} 257255570Strasz 258255570Straszstatic void 259268291Smavcctl_start_pelement(void *user_data, const char *name, const char **attr) 260268291Smav{ 261268291Smav int i; 262268291Smav struct cctl_devlist_data *devlist; 263268291Smav struct cctl_port *cur_port; 264268291Smav 265268291Smav devlist = (struct cctl_devlist_data *)user_data; 266268291Smav cur_port = devlist->cur_port; 267268291Smav devlist->level++; 268268291Smav if ((u_int)devlist->level >= (sizeof(devlist->cur_sb) / 269268291Smav sizeof(devlist->cur_sb[0]))) 270268291Smav log_errx(1, "%s: too many nesting levels, %zd max", __func__, 271268291Smav sizeof(devlist->cur_sb) / sizeof(devlist->cur_sb[0])); 272268291Smav 273268291Smav devlist->cur_sb[devlist->level] = sbuf_new_auto(); 274268291Smav if (devlist->cur_sb[devlist->level] == NULL) 275268291Smav log_err(1, "%s: unable to allocate sbuf", __func__); 276268291Smav 277268291Smav if (strcmp(name, "targ_port") == 0) { 278268291Smav if (cur_port != NULL) 279268291Smav log_errx(1, "%s: improper port element nesting (%s)", 280268291Smav __func__, name); 281268291Smav 282268291Smav cur_port = calloc(1, sizeof(*cur_port)); 283268291Smav if (cur_port == NULL) 284268291Smav log_err(1, "%s: cannot allocate %zd bytes", __func__, 285268291Smav sizeof(*cur_port)); 286268291Smav 287268291Smav devlist->num_ports++; 288268291Smav devlist->cur_port = cur_port; 289268291Smav 290268291Smav STAILQ_INIT(&cur_port->attr_list); 291268291Smav STAILQ_INSERT_TAIL(&devlist->port_list, cur_port, links); 292268291Smav 293268291Smav for (i = 0; attr[i] != NULL; i += 2) { 294268291Smav if (strcmp(attr[i], "id") == 0) { 295268291Smav cur_port->port_id = strtoul(attr[i+1], NULL, 0); 296268291Smav } else { 297268291Smav log_errx(1, "%s: invalid LUN attribute %s = %s", 298268291Smav __func__, attr[i], attr[i+1]); 299268291Smav } 300268291Smav } 301268291Smav } 302268291Smav} 303268291Smav 304268291Smavstatic void 305268291Smavcctl_end_pelement(void *user_data, const char *name) 306268291Smav{ 307268291Smav struct cctl_devlist_data *devlist; 308268291Smav struct cctl_port *cur_port; 309268291Smav char *str; 310268291Smav 311268291Smav devlist = (struct cctl_devlist_data *)user_data; 312268291Smav cur_port = devlist->cur_port; 313268291Smav 314268291Smav if ((cur_port == NULL) 315268291Smav && (strcmp(name, "ctlportlist") != 0)) 316268291Smav log_errx(1, "%s: cur_port == NULL! (name = %s)", __func__, name); 317268291Smav 318268291Smav if (devlist->cur_sb[devlist->level] == NULL) 319268291Smav log_errx(1, "%s: no valid sbuf at level %d (name %s)", __func__, 320268291Smav devlist->level, name); 321268291Smav 322268291Smav sbuf_finish(devlist->cur_sb[devlist->level]); 323268291Smav str = checked_strdup(sbuf_data(devlist->cur_sb[devlist->level])); 324268291Smav 325268291Smav if (strlen(str) == 0) { 326268291Smav free(str); 327268291Smav str = NULL; 328268291Smav } 329268291Smav 330268291Smav sbuf_delete(devlist->cur_sb[devlist->level]); 331268291Smav devlist->cur_sb[devlist->level] = NULL; 332268291Smav devlist->level--; 333268291Smav 334278354Smav if (strcmp(name, "port_name") == 0) { 335278354Smav cur_port->port_name = str; 336278354Smav str = NULL; 337278354Smav } else if (strcmp(name, "cfiscsi_target") == 0) { 338268291Smav cur_port->cfiscsi_target = str; 339268291Smav str = NULL; 340278322Smav } else if (strcmp(name, "cfiscsi_state") == 0) { 341278322Smav cur_port->cfiscsi_state = strtoul(str, NULL, 0); 342268291Smav } else if (strcmp(name, "cfiscsi_portal_group_tag") == 0) { 343268291Smav cur_port->cfiscsi_portal_group_tag = strtoul(str, NULL, 0); 344278322Smav } else if (strcmp(name, "ctld_portal_group_name") == 0) { 345278322Smav cur_port->ctld_portal_group_name = str; 346278322Smav str = NULL; 347268291Smav } else if (strcmp(name, "targ_port") == 0) { 348268291Smav devlist->cur_port = NULL; 349268291Smav } else if (strcmp(name, "ctlportlist") == 0) { 350273464Strasz /* Nothing. */ 351268291Smav } else { 352268291Smav struct cctl_lun_nv *nv; 353268291Smav 354268291Smav nv = calloc(1, sizeof(*nv)); 355268291Smav if (nv == NULL) 356268291Smav log_err(1, "%s: can't allocate %zd bytes for nv pair", 357268291Smav __func__, sizeof(*nv)); 358268291Smav 359268291Smav nv->name = checked_strdup(name); 360268291Smav 361268291Smav nv->value = str; 362268291Smav str = NULL; 363268291Smav STAILQ_INSERT_TAIL(&cur_port->attr_list, nv, links); 364268291Smav } 365268291Smav 366268291Smav free(str); 367268291Smav} 368268291Smav 369268291Smavstatic void 370255570Straszcctl_char_handler(void *user_data, const XML_Char *str, int len) 371255570Strasz{ 372255570Strasz struct cctl_devlist_data *devlist; 373255570Strasz 374255570Strasz devlist = (struct cctl_devlist_data *)user_data; 375255570Strasz 376255570Strasz sbuf_bcat(devlist->cur_sb[devlist->level], str, len); 377255570Strasz} 378255570Strasz 379255570Straszstruct conf * 380255570Straszconf_new_from_kernel(void) 381255570Strasz{ 382255570Strasz struct conf *conf = NULL; 383255570Strasz struct target *targ; 384278322Smav struct portal_group *pg; 385278354Smav struct pport *pp; 386278322Smav struct port *cp; 387255570Strasz struct lun *cl; 388255570Strasz struct lun_option *lo; 389255570Strasz struct ctl_lun_list list; 390255570Strasz struct cctl_devlist_data devlist; 391255570Strasz struct cctl_lun *lun; 392268291Smav struct cctl_port *port; 393255570Strasz XML_Parser parser; 394268291Smav char *str; 395268291Smav int len, retval; 396255570Strasz 397255570Strasz bzero(&devlist, sizeof(devlist)); 398255570Strasz STAILQ_INIT(&devlist.lun_list); 399268291Smav STAILQ_INIT(&devlist.port_list); 400255570Strasz 401255570Strasz log_debugx("obtaining previously configured CTL luns from the kernel"); 402255570Strasz 403268291Smav str = NULL; 404268291Smav len = 4096; 405255570Straszretry: 406268291Smav str = realloc(str, len); 407268291Smav if (str == NULL) 408255570Strasz log_err(1, "realloc"); 409255570Strasz 410255570Strasz bzero(&list, sizeof(list)); 411268291Smav list.alloc_len = len; 412255570Strasz list.status = CTL_LUN_LIST_NONE; 413268291Smav list.lun_xml = str; 414255570Strasz 415255570Strasz if (ioctl(ctl_fd, CTL_LUN_LIST, &list) == -1) { 416255570Strasz log_warn("error issuing CTL_LUN_LIST ioctl"); 417268291Smav free(str); 418255570Strasz return (NULL); 419255570Strasz } 420255570Strasz 421255570Strasz if (list.status == CTL_LUN_LIST_ERROR) { 422255570Strasz log_warnx("error returned from CTL_LUN_LIST ioctl: %s", 423255570Strasz list.error_str); 424268291Smav free(str); 425255570Strasz return (NULL); 426255570Strasz } 427255570Strasz 428255570Strasz if (list.status == CTL_LUN_LIST_NEED_MORE_SPACE) { 429268291Smav len = len << 1; 430255570Strasz goto retry; 431255570Strasz } 432255570Strasz 433255570Strasz parser = XML_ParserCreate(NULL); 434255570Strasz if (parser == NULL) { 435255570Strasz log_warnx("unable to create XML parser"); 436268291Smav free(str); 437255570Strasz return (NULL); 438255570Strasz } 439255570Strasz 440255570Strasz XML_SetUserData(parser, &devlist); 441255570Strasz XML_SetElementHandler(parser, cctl_start_element, cctl_end_element); 442255570Strasz XML_SetCharacterDataHandler(parser, cctl_char_handler); 443255570Strasz 444268291Smav retval = XML_Parse(parser, str, strlen(str), 1); 445255570Strasz XML_ParserFree(parser); 446268291Smav free(str); 447255570Strasz if (retval != 1) { 448255570Strasz log_warnx("XML_Parse failed"); 449255570Strasz return (NULL); 450255570Strasz } 451255570Strasz 452268291Smav str = NULL; 453268291Smav len = 4096; 454268291Smavretry_port: 455268291Smav str = realloc(str, len); 456268291Smav if (str == NULL) 457268291Smav log_err(1, "realloc"); 458268291Smav 459268291Smav bzero(&list, sizeof(list)); 460268291Smav list.alloc_len = len; 461268291Smav list.status = CTL_LUN_LIST_NONE; 462268291Smav list.lun_xml = str; 463268291Smav 464268291Smav if (ioctl(ctl_fd, CTL_PORT_LIST, &list) == -1) { 465268291Smav log_warn("error issuing CTL_PORT_LIST ioctl"); 466268291Smav free(str); 467268291Smav return (NULL); 468268291Smav } 469268291Smav 470268291Smav if (list.status == CTL_PORT_LIST_ERROR) { 471268291Smav log_warnx("error returned from CTL_PORT_LIST ioctl: %s", 472268291Smav list.error_str); 473268291Smav free(str); 474268291Smav return (NULL); 475268291Smav } 476268291Smav 477268291Smav if (list.status == CTL_LUN_LIST_NEED_MORE_SPACE) { 478268291Smav len = len << 1; 479268291Smav goto retry_port; 480268291Smav } 481268291Smav 482268291Smav parser = XML_ParserCreate(NULL); 483268291Smav if (parser == NULL) { 484268291Smav log_warnx("unable to create XML parser"); 485268291Smav free(str); 486268291Smav return (NULL); 487268291Smav } 488268291Smav 489268291Smav XML_SetUserData(parser, &devlist); 490268291Smav XML_SetElementHandler(parser, cctl_start_pelement, cctl_end_pelement); 491268291Smav XML_SetCharacterDataHandler(parser, cctl_char_handler); 492268291Smav 493268291Smav retval = XML_Parse(parser, str, strlen(str), 1); 494268291Smav XML_ParserFree(parser); 495268291Smav free(str); 496268291Smav if (retval != 1) { 497268291Smav log_warnx("XML_Parse failed"); 498268291Smav return (NULL); 499268291Smav } 500268291Smav 501255570Strasz conf = conf_new(); 502255570Strasz 503268291Smav STAILQ_FOREACH(port, &devlist.port_list, links) { 504268291Smav 505268291Smav if (port->cfiscsi_target == NULL) { 506278354Smav log_debugx("CTL port %u \"%s\" wasn't managed by ctld; ", 507278354Smav port->port_id, port->port_name); 508278354Smav pp = pport_find(conf, port->port_name); 509278354Smav if (pp == NULL) { 510278354Smav#if 0 511278354Smav log_debugx("found new kernel port %u \"%s\"", 512278354Smav port->port_id, port->port_name); 513278354Smav#endif 514278354Smav pp = pport_new(conf, port->port_name, port->port_id); 515278354Smav if (pp == NULL) { 516278354Smav log_warnx("pport_new failed"); 517278354Smav continue; 518278354Smav } 519278354Smav } 520268291Smav continue; 521268291Smav } 522278322Smav if (port->cfiscsi_state != 1) { 523268328Smav log_debugx("CTL port %ju is not active (%d); ignoring", 524278322Smav (uintmax_t)port->port_id, port->cfiscsi_state); 525268328Smav continue; 526268328Smav } 527268291Smav 528268291Smav targ = target_find(conf, port->cfiscsi_target); 529268291Smav if (targ == NULL) { 530268291Smav#if 0 531268291Smav log_debugx("found new kernel target %s for CTL port %ld", 532268291Smav port->cfiscsi_target, port->port_id); 533268291Smav#endif 534268291Smav targ = target_new(conf, port->cfiscsi_target); 535268291Smav if (targ == NULL) { 536268291Smav log_warnx("target_new failed"); 537268291Smav continue; 538268291Smav } 539268291Smav } 540278322Smav 541278322Smav if (port->ctld_portal_group_name == NULL) 542278322Smav continue; 543278322Smav pg = portal_group_find(conf, port->ctld_portal_group_name); 544278322Smav if (pg == NULL) { 545278322Smav#if 0 546278322Smav log_debugx("found new kernel portal group %s for CTL port %ld", 547278322Smav port->ctld_portal_group_name, port->port_id); 548278322Smav#endif 549278322Smav pg = portal_group_new(conf, port->ctld_portal_group_name); 550278322Smav if (pg == NULL) { 551278322Smav log_warnx("portal_group_new failed"); 552278322Smav continue; 553278322Smav } 554278322Smav } 555278322Smav pg->pg_tag = port->cfiscsi_portal_group_tag; 556278322Smav cp = port_new(conf, targ, pg); 557278322Smav if (cp == NULL) { 558278322Smav log_warnx("port_new failed"); 559278322Smav continue; 560278322Smav } 561278322Smav cp->p_ctl_port = port->port_id; 562268291Smav } 563268291Smav 564255570Strasz STAILQ_FOREACH(lun, &devlist.lun_list, links) { 565255570Strasz struct cctl_lun_nv *nv; 566255570Strasz 567278037Smav if (lun->ctld_name == NULL) { 568255570Strasz log_debugx("CTL lun %ju wasn't managed by ctld; " 569255570Strasz "ignoring", (uintmax_t)lun->lun_id); 570255570Strasz continue; 571255570Strasz } 572255570Strasz 573278037Smav cl = lun_find(conf, lun->ctld_name); 574255570Strasz if (cl != NULL) { 575278037Smav log_warnx("found CTL lun %ju \"%s\", " 576278037Smav "also backed by CTL lun %d; ignoring", 577278037Smav (uintmax_t)lun->lun_id, lun->ctld_name, 578278037Smav cl->l_ctl_lun); 579255570Strasz continue; 580255570Strasz } 581255570Strasz 582278037Smav log_debugx("found CTL lun %ju \"%s\"", 583278037Smav (uintmax_t)lun->lun_id, lun->ctld_name); 584255570Strasz 585278037Smav cl = lun_new(conf, lun->ctld_name); 586255570Strasz if (cl == NULL) { 587255570Strasz log_warnx("lun_new failed"); 588255570Strasz continue; 589255570Strasz } 590255570Strasz lun_set_backend(cl, lun->backend_type); 591255570Strasz lun_set_blocksize(cl, lun->blocksize); 592255570Strasz lun_set_device_id(cl, lun->device_id); 593255570Strasz lun_set_serial(cl, lun->serial_number); 594255570Strasz lun_set_size(cl, lun->size_blocks * cl->l_blocksize); 595255570Strasz lun_set_ctl_lun(cl, lun->lun_id); 596255570Strasz 597255570Strasz STAILQ_FOREACH(nv, &lun->attr_list, links) { 598255570Strasz if (strcmp(nv->name, "file") == 0 || 599255570Strasz strcmp(nv->name, "dev") == 0) { 600255570Strasz lun_set_path(cl, nv->value); 601255570Strasz continue; 602255570Strasz } 603255570Strasz lo = lun_option_new(cl, nv->name, nv->value); 604255570Strasz if (lo == NULL) 605255570Strasz log_warnx("unable to add CTL lun option %s " 606278037Smav "for CTL lun %ju \"%s\"", 607255570Strasz nv->name, (uintmax_t) lun->lun_id, 608278037Smav cl->l_name); 609255570Strasz } 610255570Strasz } 611255570Strasz 612255570Strasz return (conf); 613255570Strasz} 614255570Strasz 615268291Smavstatic void 616268291Smavstr_arg(struct ctl_be_arg *arg, const char *name, const char *value) 617268291Smav{ 618268291Smav 619268291Smav arg->namelen = strlen(name) + 1; 620268291Smav arg->name = __DECONST(char *, name); 621268291Smav arg->vallen = strlen(value) + 1; 622268291Smav arg->value = __DECONST(char *, value); 623268291Smav arg->flags = CTL_BEARG_ASCII | CTL_BEARG_RD; 624268291Smav} 625268291Smav 626255570Straszint 627255570Straszkernel_lun_add(struct lun *lun) 628255570Strasz{ 629255570Strasz struct lun_option *lo; 630255570Strasz struct ctl_lun_req req; 631255570Strasz int error, i, num_options; 632255570Strasz 633255570Strasz bzero(&req, sizeof(req)); 634255570Strasz 635255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 636255570Strasz req.reqtype = CTL_LUNREQ_CREATE; 637255570Strasz 638255570Strasz req.reqdata.create.blocksize_bytes = lun->l_blocksize; 639255570Strasz 640255570Strasz if (lun->l_size != 0) 641255570Strasz req.reqdata.create.lun_size_bytes = lun->l_size; 642255570Strasz 643255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_DEV_TYPE; 644255570Strasz req.reqdata.create.device_type = T_DIRECT; 645255570Strasz 646255570Strasz if (lun->l_serial != NULL) { 647267648Smav strncpy(req.reqdata.create.serial_num, lun->l_serial, 648255570Strasz sizeof(req.reqdata.create.serial_num)); 649255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_SERIAL_NUM; 650255570Strasz } 651255570Strasz 652255570Strasz if (lun->l_device_id != NULL) { 653267648Smav strncpy(req.reqdata.create.device_id, lun->l_device_id, 654255570Strasz sizeof(req.reqdata.create.device_id)); 655255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_DEVID; 656255570Strasz } 657255570Strasz 658255570Strasz if (lun->l_path != NULL) { 659255570Strasz lo = lun_option_find(lun, "file"); 660255570Strasz if (lo != NULL) { 661255570Strasz lun_option_set(lo, lun->l_path); 662255570Strasz } else { 663255570Strasz lo = lun_option_new(lun, "file", lun->l_path); 664255570Strasz assert(lo != NULL); 665255570Strasz } 666255570Strasz } 667255570Strasz 668278037Smav lo = lun_option_find(lun, "ctld_name"); 669255570Strasz if (lo != NULL) { 670278037Smav lun_option_set(lo, lun->l_name); 671255570Strasz } else { 672278037Smav lo = lun_option_new(lun, "ctld_name", lun->l_name); 673255570Strasz assert(lo != NULL); 674255570Strasz } 675255570Strasz 676268293Smav lo = lun_option_find(lun, "scsiname"); 677278037Smav if (lo == NULL && lun->l_scsiname != NULL) { 678278037Smav lo = lun_option_new(lun, "scsiname", lun->l_scsiname); 679268293Smav assert(lo != NULL); 680268293Smav } 681268293Smav 682255570Strasz num_options = 0; 683255570Strasz TAILQ_FOREACH(lo, &lun->l_options, lo_next) 684255570Strasz num_options++; 685255570Strasz 686255570Strasz req.num_be_args = num_options; 687255570Strasz if (num_options > 0) { 688255570Strasz req.be_args = malloc(num_options * sizeof(*req.be_args)); 689255570Strasz if (req.be_args == NULL) { 690255570Strasz log_warn("error allocating %zd bytes", 691255570Strasz num_options * sizeof(*req.be_args)); 692255570Strasz return (1); 693255570Strasz } 694255570Strasz 695255570Strasz i = 0; 696255570Strasz TAILQ_FOREACH(lo, &lun->l_options, lo_next) { 697268291Smav str_arg(&req.be_args[i], lo->lo_name, lo->lo_value); 698255570Strasz i++; 699255570Strasz } 700255570Strasz assert(i == num_options); 701255570Strasz } 702255570Strasz 703255570Strasz error = ioctl(ctl_fd, CTL_LUN_REQ, &req); 704255570Strasz free(req.be_args); 705255570Strasz if (error != 0) { 706255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 707255570Strasz return (1); 708255570Strasz } 709255570Strasz 710272911Smav switch (req.status) { 711272911Smav case CTL_LUN_ERROR: 712272911Smav log_warnx("LUN creation error: %s", req.error_str); 713255570Strasz return (1); 714272911Smav case CTL_LUN_WARNING: 715272911Smav log_warnx("LUN creation warning: %s", req.error_str); 716272911Smav break; 717272911Smav case CTL_LUN_OK: 718272911Smav break; 719272911Smav default: 720272911Smav log_warnx("unknown LUN creation status: %d", 721255570Strasz req.status); 722255570Strasz return (1); 723255570Strasz } 724255570Strasz 725255570Strasz lun_set_ctl_lun(lun, req.reqdata.create.req_lun_id); 726255570Strasz return (0); 727255570Strasz} 728255570Strasz 729255570Straszint 730255570Straszkernel_lun_resize(struct lun *lun) 731255570Strasz{ 732255570Strasz struct ctl_lun_req req; 733255570Strasz 734255570Strasz bzero(&req, sizeof(req)); 735255570Strasz 736255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 737255570Strasz req.reqtype = CTL_LUNREQ_MODIFY; 738255570Strasz 739255570Strasz req.reqdata.modify.lun_id = lun->l_ctl_lun; 740255570Strasz req.reqdata.modify.lun_size_bytes = lun->l_size; 741255570Strasz 742255570Strasz if (ioctl(ctl_fd, CTL_LUN_REQ, &req) == -1) { 743255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 744255570Strasz return (1); 745255570Strasz } 746255570Strasz 747272911Smav switch (req.status) { 748272911Smav case CTL_LUN_ERROR: 749272911Smav log_warnx("LUN modification error: %s", req.error_str); 750255570Strasz return (1); 751272911Smav case CTL_LUN_WARNING: 752272911Smav log_warnx("LUN modification warning: %s", req.error_str); 753272911Smav break; 754272911Smav case CTL_LUN_OK: 755272911Smav break; 756272911Smav default: 757272911Smav log_warnx("unknown LUN modification status: %d", 758255570Strasz req.status); 759255570Strasz return (1); 760255570Strasz } 761255570Strasz 762255570Strasz return (0); 763255570Strasz} 764255570Strasz 765255570Straszint 766255570Straszkernel_lun_remove(struct lun *lun) 767255570Strasz{ 768255570Strasz struct ctl_lun_req req; 769255570Strasz 770255570Strasz bzero(&req, sizeof(req)); 771255570Strasz 772255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 773255570Strasz req.reqtype = CTL_LUNREQ_RM; 774255570Strasz 775255570Strasz req.reqdata.rm.lun_id = lun->l_ctl_lun; 776255570Strasz 777255570Strasz if (ioctl(ctl_fd, CTL_LUN_REQ, &req) == -1) { 778255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 779255570Strasz return (1); 780255570Strasz } 781255570Strasz 782272911Smav switch (req.status) { 783272911Smav case CTL_LUN_ERROR: 784272911Smav log_warnx("LUN removal error: %s", req.error_str); 785255570Strasz return (1); 786272911Smav case CTL_LUN_WARNING: 787272911Smav log_warnx("LUN removal warning: %s", req.error_str); 788272911Smav break; 789272911Smav case CTL_LUN_OK: 790272911Smav break; 791272911Smav default: 792272911Smav log_warnx("unknown LUN removal status: %d", req.status); 793255570Strasz return (1); 794255570Strasz } 795255570Strasz 796255570Strasz return (0); 797255570Strasz} 798255570Strasz 799255570Straszvoid 800255570Straszkernel_handoff(struct connection *conn) 801255570Strasz{ 802255570Strasz struct ctl_iscsi req; 803255570Strasz 804255570Strasz bzero(&req, sizeof(req)); 805255570Strasz 806255570Strasz req.type = CTL_ISCSI_HANDOFF; 807255570Strasz strlcpy(req.data.handoff.initiator_name, 808255570Strasz conn->conn_initiator_name, sizeof(req.data.handoff.initiator_name)); 809255570Strasz strlcpy(req.data.handoff.initiator_addr, 810255570Strasz conn->conn_initiator_addr, sizeof(req.data.handoff.initiator_addr)); 811255570Strasz if (conn->conn_initiator_alias != NULL) { 812255570Strasz strlcpy(req.data.handoff.initiator_alias, 813255570Strasz conn->conn_initiator_alias, sizeof(req.data.handoff.initiator_alias)); 814255570Strasz } 815268302Smav memcpy(req.data.handoff.initiator_isid, conn->conn_initiator_isid, 816268302Smav sizeof(req.data.handoff.initiator_isid)); 817255570Strasz strlcpy(req.data.handoff.target_name, 818261757Strasz conn->conn_target->t_name, sizeof(req.data.handoff.target_name)); 819279392Strasz if (conn->conn_portal->p_portal_group->pg_offload != NULL) { 820278331Strasz strlcpy(req.data.handoff.offload, 821279392Strasz conn->conn_portal->p_portal_group->pg_offload, 822279392Strasz sizeof(req.data.handoff.offload)); 823278331Strasz } 824264524Strasz#ifdef ICL_KERNEL_PROXY 825264524Strasz if (proxy_mode) 826264524Strasz req.data.handoff.connection_id = conn->conn_socket; 827264524Strasz else 828264524Strasz req.data.handoff.socket = conn->conn_socket; 829264524Strasz#else 830255570Strasz req.data.handoff.socket = conn->conn_socket; 831264524Strasz#endif 832255570Strasz req.data.handoff.portal_group_tag = 833255570Strasz conn->conn_portal->p_portal_group->pg_tag; 834255570Strasz if (conn->conn_header_digest == CONN_DIGEST_CRC32C) 835255570Strasz req.data.handoff.header_digest = CTL_ISCSI_DIGEST_CRC32C; 836255570Strasz if (conn->conn_data_digest == CONN_DIGEST_CRC32C) 837255570Strasz req.data.handoff.data_digest = CTL_ISCSI_DIGEST_CRC32C; 838255570Strasz req.data.handoff.cmdsn = conn->conn_cmdsn; 839255570Strasz req.data.handoff.statsn = conn->conn_statsn; 840255570Strasz req.data.handoff.max_recv_data_segment_length = 841255570Strasz conn->conn_max_data_segment_length; 842255570Strasz req.data.handoff.max_burst_length = conn->conn_max_burst_length; 843255570Strasz req.data.handoff.immediate_data = conn->conn_immediate_data; 844255570Strasz 845264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 846255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 847255570Strasz "dropping connection"); 848264526Strasz } 849255570Strasz 850264526Strasz if (req.status != CTL_ISCSI_OK) { 851255570Strasz log_errx(1, "error returned from CTL iSCSI handoff request: " 852255570Strasz "%s; dropping connection", req.error_str); 853264526Strasz } 854255570Strasz} 855255570Strasz 856278331Straszvoid 857278331Straszkernel_limits(const char *offload, size_t *max_data_segment_length) 858278331Strasz{ 859278331Strasz struct ctl_iscsi req; 860278331Strasz 861278331Strasz bzero(&req, sizeof(req)); 862278331Strasz 863278331Strasz req.type = CTL_ISCSI_LIMITS; 864278331Strasz if (offload != NULL) { 865278331Strasz strlcpy(req.data.limits.offload, offload, 866278331Strasz sizeof(req.data.limits.offload)); 867278331Strasz } 868278331Strasz 869278331Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 870278331Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 871278331Strasz "dropping connection"); 872278331Strasz } 873278331Strasz 874278331Strasz if (req.status != CTL_ISCSI_OK) { 875278331Strasz log_errx(1, "error returned from CTL iSCSI limits request: " 876278331Strasz "%s; dropping connection", req.error_str); 877278331Strasz } 878278331Strasz 879278331Strasz *max_data_segment_length = req.data.limits.data_segment_limit; 880278331Strasz if (offload != NULL) { 881278331Strasz log_debugx("MaxRecvDataSegment kernel limit for offload " 882278331Strasz "\"%s\" is %zd", offload, *max_data_segment_length); 883278331Strasz } else { 884278331Strasz log_debugx("MaxRecvDataSegment kernel limit is %zd", 885278331Strasz *max_data_segment_length); 886278331Strasz } 887278331Strasz} 888278331Strasz 889255570Straszint 890278322Smavkernel_port_add(struct port *port) 891255570Strasz{ 892255570Strasz struct ctl_port_entry entry; 893268291Smav struct ctl_req req; 894278037Smav struct ctl_lun_map lm; 895278322Smav struct target *targ = port->p_target; 896278322Smav struct portal_group *pg = port->p_portal_group; 897268291Smav char tagstr[16]; 898278322Smav int error, i, n; 899255570Strasz 900278037Smav /* Create iSCSI port. */ 901278354Smav if (port->p_portal_group) { 902278354Smav bzero(&req, sizeof(req)); 903278354Smav strlcpy(req.driver, "iscsi", sizeof(req.driver)); 904278354Smav req.reqtype = CTL_REQ_CREATE; 905279276Smav req.num_args = 5; 906278354Smav req.args = malloc(req.num_args * sizeof(*req.args)); 907279276Smav if (req.args == NULL) 908279276Smav log_err(1, "malloc"); 909278354Smav n = 0; 910278354Smav req.args[n].namelen = sizeof("port_id"); 911278354Smav req.args[n].name = __DECONST(char *, "port_id"); 912278354Smav req.args[n].vallen = sizeof(port->p_ctl_port); 913278354Smav req.args[n].value = &port->p_ctl_port; 914278354Smav req.args[n++].flags = CTL_BEARG_WR; 915278354Smav str_arg(&req.args[n++], "cfiscsi_target", targ->t_name); 916278354Smav snprintf(tagstr, sizeof(tagstr), "%d", pg->pg_tag); 917278354Smav str_arg(&req.args[n++], "cfiscsi_portal_group_tag", tagstr); 918278354Smav if (targ->t_alias) 919278354Smav str_arg(&req.args[n++], "cfiscsi_target_alias", targ->t_alias); 920278354Smav str_arg(&req.args[n++], "ctld_portal_group_name", pg->pg_name); 921278354Smav req.num_args = n; 922278354Smav error = ioctl(ctl_fd, CTL_PORT_REQ, &req); 923278354Smav free(req.args); 924278354Smav if (error != 0) { 925278354Smav log_warn("error issuing CTL_PORT_REQ ioctl"); 926278354Smav return (1); 927278354Smav } 928278354Smav if (req.status == CTL_LUN_ERROR) { 929278354Smav log_warnx("error returned from port creation request: %s", 930278354Smav req.error_str); 931278354Smav return (1); 932278354Smav } 933278354Smav if (req.status != CTL_LUN_OK) { 934278354Smav log_warnx("unknown port creation request status %d", 935278354Smav req.status); 936278354Smav return (1); 937278354Smav } 938279590Smav } else if (port->p_pport) { 939278354Smav port->p_ctl_port = port->p_pport->pp_ctl_port; 940268291Smav 941279590Smav if (strncmp(targ->t_name, "naa.", 4) == 0 && 942279590Smav strlen(targ->t_name) == 20) { 943279590Smav bzero(&entry, sizeof(entry)); 944279590Smav entry.port_type = CTL_PORT_NONE; 945279590Smav entry.targ_port = port->p_ctl_port; 946279590Smav entry.flags |= CTL_PORT_WWNN_VALID; 947279590Smav entry.wwnn = strtoull(targ->t_name + 4, NULL, 16); 948279590Smav if (ioctl(ctl_fd, CTL_SET_PORT_WWNS, &entry) == -1) 949279590Smav log_warn("CTL_SET_PORT_WWNS ioctl failed"); 950279590Smav } 951279590Smav } 952279590Smav 953278037Smav /* Explicitly enable mapping to block any access except allowed. */ 954278322Smav lm.port = port->p_ctl_port; 955278037Smav lm.plun = UINT32_MAX; 956278037Smav lm.lun = 0; 957278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 958278037Smav if (error != 0) 959278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 960278037Smav 961278037Smav /* Map configured LUNs */ 962278037Smav for (i = 0; i < MAX_LUNS; i++) { 963278037Smav if (targ->t_luns[i] == NULL) 964278037Smav continue; 965278322Smav lm.port = port->p_ctl_port; 966278037Smav lm.plun = i; 967278037Smav lm.lun = targ->t_luns[i]->l_ctl_lun; 968278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 969278037Smav if (error != 0) 970278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 971278037Smav } 972278037Smav 973278037Smav /* Enable port */ 974255678Strasz bzero(&entry, sizeof(entry)); 975278322Smav entry.targ_port = port->p_ctl_port; 976255570Strasz error = ioctl(ctl_fd, CTL_ENABLE_PORT, &entry); 977255570Strasz if (error != 0) { 978255570Strasz log_warn("CTL_ENABLE_PORT ioctl failed"); 979255570Strasz return (-1); 980255570Strasz } 981255570Strasz 982255570Strasz return (0); 983255570Strasz} 984255570Strasz 985255570Straszint 986278322Smavkernel_port_update(struct port *port) 987278037Smav{ 988278037Smav struct ctl_lun_map lm; 989278322Smav struct target *targ = port->p_target; 990278037Smav int error, i; 991278037Smav 992278037Smav /* Map configured LUNs and unmap others */ 993278037Smav for (i = 0; i < MAX_LUNS; i++) { 994278322Smav lm.port = port->p_ctl_port; 995278037Smav lm.plun = i; 996278037Smav if (targ->t_luns[i] == NULL) 997278037Smav lm.lun = UINT32_MAX; 998278037Smav else 999278037Smav lm.lun = targ->t_luns[i]->l_ctl_lun; 1000278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1001278037Smav if (error != 0) 1002278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 1003278037Smav } 1004278037Smav return (0); 1005278037Smav} 1006278037Smav 1007278037Smavint 1008278322Smavkernel_port_remove(struct port *port) 1009255570Strasz{ 1010278354Smav struct ctl_port_entry entry; 1011278354Smav struct ctl_lun_map lm; 1012268291Smav struct ctl_req req; 1013268291Smav char tagstr[16]; 1014278322Smav struct target *targ = port->p_target; 1015278322Smav struct portal_group *pg = port->p_portal_group; 1016255570Strasz int error; 1017255570Strasz 1018278354Smav /* Disable port */ 1019278354Smav bzero(&entry, sizeof(entry)); 1020278354Smav entry.targ_port = port->p_ctl_port; 1021278354Smav error = ioctl(ctl_fd, CTL_DISABLE_PORT, &entry); 1022255570Strasz if (error != 0) { 1023278354Smav log_warn("CTL_DISABLE_PORT ioctl failed"); 1024278354Smav return (-1); 1025255570Strasz } 1026255570Strasz 1027278354Smav /* Remove iSCSI port. */ 1028278354Smav if (port->p_portal_group) { 1029278354Smav bzero(&req, sizeof(req)); 1030278354Smav strlcpy(req.driver, "iscsi", sizeof(req.driver)); 1031278354Smav req.reqtype = CTL_REQ_REMOVE; 1032278354Smav req.num_args = 2; 1033278354Smav req.args = malloc(req.num_args * sizeof(*req.args)); 1034279276Smav if (req.args == NULL) 1035279276Smav log_err(1, "malloc"); 1036278354Smav str_arg(&req.args[0], "cfiscsi_target", targ->t_name); 1037278354Smav snprintf(tagstr, sizeof(tagstr), "%d", pg->pg_tag); 1038278354Smav str_arg(&req.args[1], "cfiscsi_portal_group_tag", tagstr); 1039278354Smav error = ioctl(ctl_fd, CTL_PORT_REQ, &req); 1040278354Smav free(req.args); 1041278354Smav if (error != 0) { 1042278354Smav log_warn("error issuing CTL_PORT_REQ ioctl"); 1043278354Smav return (1); 1044278354Smav } 1045278354Smav if (req.status == CTL_LUN_ERROR) { 1046278354Smav log_warnx("error returned from port removal request: %s", 1047278354Smav req.error_str); 1048278354Smav return (1); 1049278354Smav } 1050278354Smav if (req.status != CTL_LUN_OK) { 1051278354Smav log_warnx("unknown port removal request status %d", 1052278354Smav req.status); 1053278354Smav return (1); 1054278354Smav } 1055278354Smav } else { 1056278354Smav /* Disable LUN mapping. */ 1057278354Smav lm.port = port->p_ctl_port; 1058278354Smav lm.plun = UINT32_MAX; 1059278354Smav lm.lun = UINT32_MAX; 1060278354Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1061278354Smav if (error != 0) 1062278354Smav log_warn("CTL_LUN_MAP ioctl failed"); 1063268291Smav } 1064255570Strasz return (0); 1065255570Strasz} 1066255570Strasz 1067255570Strasz#ifdef ICL_KERNEL_PROXY 1068255570Straszvoid 1069264526Straszkernel_listen(struct addrinfo *ai, bool iser, int portal_id) 1070255570Strasz{ 1071255570Strasz struct ctl_iscsi req; 1072255570Strasz 1073255570Strasz bzero(&req, sizeof(req)); 1074255570Strasz 1075255570Strasz req.type = CTL_ISCSI_LISTEN; 1076255570Strasz req.data.listen.iser = iser; 1077255570Strasz req.data.listen.domain = ai->ai_family; 1078255570Strasz req.data.listen.socktype = ai->ai_socktype; 1079255570Strasz req.data.listen.protocol = ai->ai_protocol; 1080255570Strasz req.data.listen.addr = ai->ai_addr; 1081255570Strasz req.data.listen.addrlen = ai->ai_addrlen; 1082264526Strasz req.data.listen.portal_id = portal_id; 1083255570Strasz 1084264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) 1085261765Strasz log_err(1, "error issuing CTL_ISCSI ioctl"); 1086261765Strasz 1087261765Strasz if (req.status != CTL_ISCSI_OK) { 1088261765Strasz log_errx(1, "error returned from CTL iSCSI listen: %s", 1089261765Strasz req.error_str); 1090261765Strasz } 1091255570Strasz} 1092255570Strasz 1093264526Straszvoid 1094264530Straszkernel_accept(int *connection_id, int *portal_id, 1095264530Strasz struct sockaddr *client_sa, socklen_t *client_salen) 1096255570Strasz{ 1097255570Strasz struct ctl_iscsi req; 1098264530Strasz struct sockaddr_storage ss; 1099255570Strasz 1100255570Strasz bzero(&req, sizeof(req)); 1101255570Strasz 1102255570Strasz req.type = CTL_ISCSI_ACCEPT; 1103264530Strasz req.data.accept.initiator_addr = (struct sockaddr *)&ss; 1104255570Strasz 1105264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) 1106264526Strasz log_err(1, "error issuing CTL_ISCSI ioctl"); 1107255570Strasz 1108261765Strasz if (req.status != CTL_ISCSI_OK) { 1109264526Strasz log_errx(1, "error returned from CTL iSCSI accept: %s", 1110261765Strasz req.error_str); 1111261765Strasz } 1112261765Strasz 1113264526Strasz *connection_id = req.data.accept.connection_id; 1114264526Strasz *portal_id = req.data.accept.portal_id; 1115264530Strasz *client_salen = req.data.accept.initiator_addrlen; 1116264530Strasz memcpy(client_sa, &ss, *client_salen); 1117255570Strasz} 1118255570Strasz 1119255570Straszvoid 1120255570Straszkernel_send(struct pdu *pdu) 1121255570Strasz{ 1122255570Strasz struct ctl_iscsi req; 1123255570Strasz 1124255570Strasz bzero(&req, sizeof(req)); 1125255570Strasz 1126255570Strasz req.type = CTL_ISCSI_SEND; 1127255570Strasz req.data.send.connection_id = pdu->pdu_connection->conn_socket; 1128255570Strasz req.data.send.bhs = pdu->pdu_bhs; 1129255570Strasz req.data.send.data_segment_len = pdu->pdu_data_len; 1130255570Strasz req.data.send.data_segment = pdu->pdu_data; 1131255570Strasz 1132261765Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 1133255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 1134255570Strasz "dropping connection"); 1135261765Strasz } 1136255570Strasz 1137261765Strasz if (req.status != CTL_ISCSI_OK) { 1138255570Strasz log_errx(1, "error returned from CTL iSCSI send: " 1139255570Strasz "%s; dropping connection", req.error_str); 1140261765Strasz } 1141255570Strasz} 1142255570Strasz 1143255570Straszvoid 1144255570Straszkernel_receive(struct pdu *pdu) 1145255570Strasz{ 1146255570Strasz struct ctl_iscsi req; 1147255570Strasz 1148255570Strasz pdu->pdu_data = malloc(MAX_DATA_SEGMENT_LENGTH); 1149255570Strasz if (pdu->pdu_data == NULL) 1150255570Strasz log_err(1, "malloc"); 1151255570Strasz 1152255570Strasz bzero(&req, sizeof(req)); 1153255570Strasz 1154255570Strasz req.type = CTL_ISCSI_RECEIVE; 1155255570Strasz req.data.receive.connection_id = pdu->pdu_connection->conn_socket; 1156255570Strasz req.data.receive.bhs = pdu->pdu_bhs; 1157255570Strasz req.data.receive.data_segment_len = MAX_DATA_SEGMENT_LENGTH; 1158255570Strasz req.data.receive.data_segment = pdu->pdu_data; 1159255570Strasz 1160261765Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 1161255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 1162255570Strasz "dropping connection"); 1163261765Strasz } 1164255570Strasz 1165261765Strasz if (req.status != CTL_ISCSI_OK) { 1166255570Strasz log_errx(1, "error returned from CTL iSCSI receive: " 1167255570Strasz "%s; dropping connection", req.error_str); 1168261765Strasz } 1169255570Strasz 1170255570Strasz} 1171255570Strasz 1172255570Strasz#endif /* ICL_KERNEL_PROXY */ 1173255570Strasz 1174255570Strasz/* 1175255570Strasz * XXX: I CANT INTO LATIN 1176255570Strasz */ 1177255570Straszvoid 1178255570Straszkernel_capsicate(void) 1179255570Strasz{ 1180255570Strasz int error; 1181255570Strasz cap_rights_t rights; 1182255570Strasz const unsigned long cmds[] = { CTL_ISCSI }; 1183255570Strasz 1184255570Strasz cap_rights_init(&rights, CAP_IOCTL); 1185255570Strasz error = cap_rights_limit(ctl_fd, &rights); 1186255570Strasz if (error != 0 && errno != ENOSYS) 1187255570Strasz log_err(1, "cap_rights_limit"); 1188255570Strasz 1189255570Strasz error = cap_ioctls_limit(ctl_fd, cmds, 1190255570Strasz sizeof(cmds) / sizeof(cmds[0])); 1191255570Strasz if (error != 0 && errno != ENOSYS) 1192255570Strasz log_err(1, "cap_ioctls_limit"); 1193255570Strasz 1194255570Strasz error = cap_enter(); 1195255570Strasz if (error != 0 && errno != ENOSYS) 1196255570Strasz log_err(1, "cap_enter"); 1197255570Strasz 1198255570Strasz if (cap_sandboxed()) 1199255570Strasz log_debugx("Capsicum capability mode enabled"); 1200255570Strasz else 1201255570Strasz log_warnx("Capsicum capability mode not supported"); 1202255570Strasz} 1203255570Strasz 1204