kernel.c revision 287823
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 287823 2015-09-15 13:37:48Z 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_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); 94255570Strasz} 95255570Strasz 96255570Strasz/* 97255570Strasz * Name/value pair used for per-LUN attributes. 98255570Strasz */ 99255570Straszstruct cctl_lun_nv { 100255570Strasz char *name; 101255570Strasz char *value; 102255570Strasz STAILQ_ENTRY(cctl_lun_nv) links; 103255570Strasz}; 104255570Strasz 105255570Strasz/* 106273464Strasz * Backend LUN information. 107255570Strasz */ 108255570Straszstruct cctl_lun { 109255570Strasz uint64_t lun_id; 110255570Strasz char *backend_type; 111255570Strasz uint64_t size_blocks; 112255570Strasz uint32_t blocksize; 113255570Strasz char *serial_number; 114255570Strasz char *device_id; 115278037Smav char *ctld_name; 116255570Strasz STAILQ_HEAD(,cctl_lun_nv) attr_list; 117255570Strasz STAILQ_ENTRY(cctl_lun) links; 118255570Strasz}; 119255570Strasz 120268291Smavstruct cctl_port { 121268291Smav uint32_t port_id; 122278354Smav char *port_name; 123284765Smav int pp; 124284765Smav int vp; 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; 337284765Smav } else if (strcmp(name, "physical_port") == 0) { 338284765Smav cur_port->pp = strtoul(str, NULL, 0); 339284765Smav } else if (strcmp(name, "virtual_port") == 0) { 340284765Smav cur_port->vp = strtoul(str, NULL, 0); 341278354Smav } else if (strcmp(name, "cfiscsi_target") == 0) { 342268291Smav cur_port->cfiscsi_target = str; 343268291Smav str = NULL; 344278322Smav } else if (strcmp(name, "cfiscsi_state") == 0) { 345278322Smav cur_port->cfiscsi_state = strtoul(str, NULL, 0); 346268291Smav } else if (strcmp(name, "cfiscsi_portal_group_tag") == 0) { 347268291Smav cur_port->cfiscsi_portal_group_tag = strtoul(str, NULL, 0); 348278322Smav } else if (strcmp(name, "ctld_portal_group_name") == 0) { 349278322Smav cur_port->ctld_portal_group_name = str; 350278322Smav str = NULL; 351268291Smav } else if (strcmp(name, "targ_port") == 0) { 352268291Smav devlist->cur_port = NULL; 353268291Smav } else if (strcmp(name, "ctlportlist") == 0) { 354273464Strasz /* Nothing. */ 355268291Smav } else { 356268291Smav struct cctl_lun_nv *nv; 357268291Smav 358268291Smav nv = calloc(1, sizeof(*nv)); 359268291Smav if (nv == NULL) 360268291Smav log_err(1, "%s: can't allocate %zd bytes for nv pair", 361268291Smav __func__, sizeof(*nv)); 362268291Smav 363268291Smav nv->name = checked_strdup(name); 364268291Smav 365268291Smav nv->value = str; 366268291Smav str = NULL; 367268291Smav STAILQ_INSERT_TAIL(&cur_port->attr_list, nv, links); 368268291Smav } 369268291Smav 370268291Smav free(str); 371268291Smav} 372268291Smav 373268291Smavstatic void 374255570Straszcctl_char_handler(void *user_data, const XML_Char *str, int len) 375255570Strasz{ 376255570Strasz struct cctl_devlist_data *devlist; 377255570Strasz 378255570Strasz devlist = (struct cctl_devlist_data *)user_data; 379255570Strasz 380255570Strasz sbuf_bcat(devlist->cur_sb[devlist->level], str, len); 381255570Strasz} 382255570Strasz 383255570Straszstruct conf * 384255570Straszconf_new_from_kernel(void) 385255570Strasz{ 386255570Strasz struct conf *conf = NULL; 387255570Strasz struct target *targ; 388278322Smav struct portal_group *pg; 389278354Smav struct pport *pp; 390278322Smav struct port *cp; 391255570Strasz struct lun *cl; 392255570Strasz struct lun_option *lo; 393255570Strasz struct ctl_lun_list list; 394255570Strasz struct cctl_devlist_data devlist; 395255570Strasz struct cctl_lun *lun; 396268291Smav struct cctl_port *port; 397255570Strasz XML_Parser parser; 398284765Smav char *str, *name; 399268291Smav int len, retval; 400255570Strasz 401255570Strasz bzero(&devlist, sizeof(devlist)); 402255570Strasz STAILQ_INIT(&devlist.lun_list); 403268291Smav STAILQ_INIT(&devlist.port_list); 404255570Strasz 405255570Strasz log_debugx("obtaining previously configured CTL luns from the kernel"); 406255570Strasz 407268291Smav str = NULL; 408268291Smav len = 4096; 409255570Straszretry: 410268291Smav str = realloc(str, len); 411268291Smav if (str == NULL) 412255570Strasz log_err(1, "realloc"); 413255570Strasz 414255570Strasz bzero(&list, sizeof(list)); 415268291Smav list.alloc_len = len; 416255570Strasz list.status = CTL_LUN_LIST_NONE; 417268291Smav list.lun_xml = str; 418255570Strasz 419255570Strasz if (ioctl(ctl_fd, CTL_LUN_LIST, &list) == -1) { 420255570Strasz log_warn("error issuing CTL_LUN_LIST ioctl"); 421268291Smav free(str); 422255570Strasz return (NULL); 423255570Strasz } 424255570Strasz 425255570Strasz if (list.status == CTL_LUN_LIST_ERROR) { 426255570Strasz log_warnx("error returned from CTL_LUN_LIST ioctl: %s", 427255570Strasz list.error_str); 428268291Smav free(str); 429255570Strasz return (NULL); 430255570Strasz } 431255570Strasz 432255570Strasz if (list.status == CTL_LUN_LIST_NEED_MORE_SPACE) { 433268291Smav len = len << 1; 434255570Strasz goto retry; 435255570Strasz } 436255570Strasz 437255570Strasz parser = XML_ParserCreate(NULL); 438255570Strasz if (parser == NULL) { 439255570Strasz log_warnx("unable to create XML parser"); 440268291Smav free(str); 441255570Strasz return (NULL); 442255570Strasz } 443255570Strasz 444255570Strasz XML_SetUserData(parser, &devlist); 445255570Strasz XML_SetElementHandler(parser, cctl_start_element, cctl_end_element); 446255570Strasz XML_SetCharacterDataHandler(parser, cctl_char_handler); 447255570Strasz 448268291Smav retval = XML_Parse(parser, str, strlen(str), 1); 449255570Strasz XML_ParserFree(parser); 450268291Smav free(str); 451255570Strasz if (retval != 1) { 452255570Strasz log_warnx("XML_Parse failed"); 453255570Strasz return (NULL); 454255570Strasz } 455255570Strasz 456268291Smav str = NULL; 457268291Smav len = 4096; 458268291Smavretry_port: 459268291Smav str = realloc(str, len); 460268291Smav if (str == NULL) 461268291Smav log_err(1, "realloc"); 462268291Smav 463268291Smav bzero(&list, sizeof(list)); 464268291Smav list.alloc_len = len; 465268291Smav list.status = CTL_LUN_LIST_NONE; 466268291Smav list.lun_xml = str; 467268291Smav 468268291Smav if (ioctl(ctl_fd, CTL_PORT_LIST, &list) == -1) { 469268291Smav log_warn("error issuing CTL_PORT_LIST ioctl"); 470268291Smav free(str); 471268291Smav return (NULL); 472268291Smav } 473268291Smav 474268291Smav if (list.status == CTL_PORT_LIST_ERROR) { 475268291Smav log_warnx("error returned from CTL_PORT_LIST ioctl: %s", 476268291Smav list.error_str); 477268291Smav free(str); 478268291Smav return (NULL); 479268291Smav } 480268291Smav 481268291Smav if (list.status == CTL_LUN_LIST_NEED_MORE_SPACE) { 482268291Smav len = len << 1; 483268291Smav goto retry_port; 484268291Smav } 485268291Smav 486268291Smav parser = XML_ParserCreate(NULL); 487268291Smav if (parser == NULL) { 488268291Smav log_warnx("unable to create XML parser"); 489268291Smav free(str); 490268291Smav return (NULL); 491268291Smav } 492268291Smav 493268291Smav XML_SetUserData(parser, &devlist); 494268291Smav XML_SetElementHandler(parser, cctl_start_pelement, cctl_end_pelement); 495268291Smav XML_SetCharacterDataHandler(parser, cctl_char_handler); 496268291Smav 497268291Smav retval = XML_Parse(parser, str, strlen(str), 1); 498268291Smav XML_ParserFree(parser); 499268291Smav free(str); 500268291Smav if (retval != 1) { 501268291Smav log_warnx("XML_Parse failed"); 502268291Smav return (NULL); 503268291Smav } 504268291Smav 505255570Strasz conf = conf_new(); 506255570Strasz 507284765Smav name = NULL; 508268291Smav STAILQ_FOREACH(port, &devlist.port_list, links) { 509284875Smav if (name) 510284875Smav free(name); 511284765Smav if (port->pp == 0 && port->vp == 0) 512284765Smav name = checked_strdup(port->port_name); 513284765Smav else if (port->vp == 0) 514284765Smav asprintf(&name, "%s/%d", port->port_name, port->pp); 515284765Smav else 516284765Smav asprintf(&name, "%s/%d/%d", port->port_name, port->pp, 517284765Smav port->vp); 518268291Smav 519268291Smav if (port->cfiscsi_target == NULL) { 520278354Smav log_debugx("CTL port %u \"%s\" wasn't managed by ctld; ", 521284765Smav port->port_id, name); 522284765Smav pp = pport_find(conf, name); 523278354Smav if (pp == NULL) { 524278354Smav#if 0 525278354Smav log_debugx("found new kernel port %u \"%s\"", 526284765Smav port->port_id, name); 527278354Smav#endif 528284765Smav pp = pport_new(conf, name, port->port_id); 529278354Smav if (pp == NULL) { 530278354Smav log_warnx("pport_new failed"); 531278354Smav continue; 532278354Smav } 533278354Smav } 534268291Smav continue; 535268291Smav } 536278322Smav if (port->cfiscsi_state != 1) { 537268328Smav log_debugx("CTL port %ju is not active (%d); ignoring", 538278322Smav (uintmax_t)port->port_id, port->cfiscsi_state); 539268328Smav continue; 540268328Smav } 541268291Smav 542268291Smav targ = target_find(conf, port->cfiscsi_target); 543268291Smav if (targ == NULL) { 544268291Smav#if 0 545268291Smav log_debugx("found new kernel target %s for CTL port %ld", 546268291Smav port->cfiscsi_target, port->port_id); 547268291Smav#endif 548268291Smav targ = target_new(conf, port->cfiscsi_target); 549268291Smav if (targ == NULL) { 550268291Smav log_warnx("target_new failed"); 551268291Smav continue; 552268291Smav } 553268291Smav } 554278322Smav 555278322Smav if (port->ctld_portal_group_name == NULL) 556278322Smav continue; 557278322Smav pg = portal_group_find(conf, port->ctld_portal_group_name); 558278322Smav if (pg == NULL) { 559278322Smav#if 0 560278322Smav log_debugx("found new kernel portal group %s for CTL port %ld", 561278322Smav port->ctld_portal_group_name, port->port_id); 562278322Smav#endif 563278322Smav pg = portal_group_new(conf, port->ctld_portal_group_name); 564278322Smav if (pg == NULL) { 565278322Smav log_warnx("portal_group_new failed"); 566278322Smav continue; 567278322Smav } 568278322Smav } 569278322Smav pg->pg_tag = port->cfiscsi_portal_group_tag; 570278322Smav cp = port_new(conf, targ, pg); 571278322Smav if (cp == NULL) { 572278322Smav log_warnx("port_new failed"); 573278322Smav continue; 574278322Smav } 575278322Smav cp->p_ctl_port = port->port_id; 576268291Smav } 577284765Smav if (name) 578284765Smav free(name); 579268291Smav 580255570Strasz STAILQ_FOREACH(lun, &devlist.lun_list, links) { 581255570Strasz struct cctl_lun_nv *nv; 582255570Strasz 583278037Smav if (lun->ctld_name == NULL) { 584255570Strasz log_debugx("CTL lun %ju wasn't managed by ctld; " 585255570Strasz "ignoring", (uintmax_t)lun->lun_id); 586255570Strasz continue; 587255570Strasz } 588255570Strasz 589278037Smav cl = lun_find(conf, lun->ctld_name); 590255570Strasz if (cl != NULL) { 591278037Smav log_warnx("found CTL lun %ju \"%s\", " 592278037Smav "also backed by CTL lun %d; ignoring", 593278037Smav (uintmax_t)lun->lun_id, lun->ctld_name, 594278037Smav cl->l_ctl_lun); 595255570Strasz continue; 596255570Strasz } 597255570Strasz 598278037Smav log_debugx("found CTL lun %ju \"%s\"", 599278037Smav (uintmax_t)lun->lun_id, lun->ctld_name); 600255570Strasz 601278037Smav cl = lun_new(conf, lun->ctld_name); 602255570Strasz if (cl == NULL) { 603255570Strasz log_warnx("lun_new failed"); 604255570Strasz continue; 605255570Strasz } 606255570Strasz lun_set_backend(cl, lun->backend_type); 607255570Strasz lun_set_blocksize(cl, lun->blocksize); 608255570Strasz lun_set_device_id(cl, lun->device_id); 609255570Strasz lun_set_serial(cl, lun->serial_number); 610255570Strasz lun_set_size(cl, lun->size_blocks * cl->l_blocksize); 611255570Strasz lun_set_ctl_lun(cl, lun->lun_id); 612255570Strasz 613255570Strasz STAILQ_FOREACH(nv, &lun->attr_list, links) { 614255570Strasz if (strcmp(nv->name, "file") == 0 || 615255570Strasz strcmp(nv->name, "dev") == 0) { 616255570Strasz lun_set_path(cl, nv->value); 617255570Strasz continue; 618255570Strasz } 619255570Strasz lo = lun_option_new(cl, nv->name, nv->value); 620255570Strasz if (lo == NULL) 621255570Strasz log_warnx("unable to add CTL lun option %s " 622278037Smav "for CTL lun %ju \"%s\"", 623255570Strasz nv->name, (uintmax_t) lun->lun_id, 624278037Smav cl->l_name); 625255570Strasz } 626255570Strasz } 627255570Strasz 628255570Strasz return (conf); 629255570Strasz} 630255570Strasz 631268291Smavstatic void 632268291Smavstr_arg(struct ctl_be_arg *arg, const char *name, const char *value) 633268291Smav{ 634268291Smav 635268291Smav arg->namelen = strlen(name) + 1; 636268291Smav arg->name = __DECONST(char *, name); 637268291Smav arg->vallen = strlen(value) + 1; 638268291Smav arg->value = __DECONST(char *, value); 639268291Smav arg->flags = CTL_BEARG_ASCII | CTL_BEARG_RD; 640268291Smav} 641268291Smav 642255570Straszint 643255570Straszkernel_lun_add(struct lun *lun) 644255570Strasz{ 645255570Strasz struct lun_option *lo; 646255570Strasz struct ctl_lun_req req; 647255570Strasz int error, i, num_options; 648255570Strasz 649255570Strasz bzero(&req, sizeof(req)); 650255570Strasz 651255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 652255570Strasz req.reqtype = CTL_LUNREQ_CREATE; 653255570Strasz 654255570Strasz req.reqdata.create.blocksize_bytes = lun->l_blocksize; 655255570Strasz 656255570Strasz if (lun->l_size != 0) 657255570Strasz req.reqdata.create.lun_size_bytes = lun->l_size; 658255570Strasz 659287823Smav if (lun->l_ctl_lun >= 0) { 660287823Smav req.reqdata.create.req_lun_id = lun->l_ctl_lun; 661287823Smav req.reqdata.create.flags |= CTL_LUN_FLAG_ID_REQ; 662287823Smav } 663287823Smav 664255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_DEV_TYPE; 665255570Strasz req.reqdata.create.device_type = T_DIRECT; 666255570Strasz 667255570Strasz if (lun->l_serial != NULL) { 668267648Smav strncpy(req.reqdata.create.serial_num, lun->l_serial, 669255570Strasz sizeof(req.reqdata.create.serial_num)); 670255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_SERIAL_NUM; 671255570Strasz } 672255570Strasz 673255570Strasz if (lun->l_device_id != NULL) { 674267648Smav strncpy(req.reqdata.create.device_id, lun->l_device_id, 675255570Strasz sizeof(req.reqdata.create.device_id)); 676255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_DEVID; 677255570Strasz } 678255570Strasz 679255570Strasz if (lun->l_path != NULL) { 680255570Strasz lo = lun_option_find(lun, "file"); 681255570Strasz if (lo != NULL) { 682255570Strasz lun_option_set(lo, lun->l_path); 683255570Strasz } else { 684255570Strasz lo = lun_option_new(lun, "file", lun->l_path); 685255570Strasz assert(lo != NULL); 686255570Strasz } 687255570Strasz } 688255570Strasz 689278037Smav lo = lun_option_find(lun, "ctld_name"); 690255570Strasz if (lo != NULL) { 691278037Smav lun_option_set(lo, lun->l_name); 692255570Strasz } else { 693278037Smav lo = lun_option_new(lun, "ctld_name", lun->l_name); 694255570Strasz assert(lo != NULL); 695255570Strasz } 696255570Strasz 697268293Smav lo = lun_option_find(lun, "scsiname"); 698278037Smav if (lo == NULL && lun->l_scsiname != NULL) { 699278037Smav lo = lun_option_new(lun, "scsiname", lun->l_scsiname); 700268293Smav assert(lo != NULL); 701268293Smav } 702268293Smav 703255570Strasz num_options = 0; 704255570Strasz TAILQ_FOREACH(lo, &lun->l_options, lo_next) 705255570Strasz num_options++; 706255570Strasz 707255570Strasz req.num_be_args = num_options; 708255570Strasz if (num_options > 0) { 709255570Strasz req.be_args = malloc(num_options * sizeof(*req.be_args)); 710255570Strasz if (req.be_args == NULL) { 711255570Strasz log_warn("error allocating %zd bytes", 712255570Strasz num_options * sizeof(*req.be_args)); 713255570Strasz return (1); 714255570Strasz } 715255570Strasz 716255570Strasz i = 0; 717255570Strasz TAILQ_FOREACH(lo, &lun->l_options, lo_next) { 718268291Smav str_arg(&req.be_args[i], lo->lo_name, lo->lo_value); 719255570Strasz i++; 720255570Strasz } 721255570Strasz assert(i == num_options); 722255570Strasz } 723255570Strasz 724255570Strasz error = ioctl(ctl_fd, CTL_LUN_REQ, &req); 725255570Strasz free(req.be_args); 726255570Strasz if (error != 0) { 727255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 728255570Strasz return (1); 729255570Strasz } 730255570Strasz 731272911Smav switch (req.status) { 732272911Smav case CTL_LUN_ERROR: 733272911Smav log_warnx("LUN creation error: %s", req.error_str); 734255570Strasz return (1); 735272911Smav case CTL_LUN_WARNING: 736272911Smav log_warnx("LUN creation warning: %s", req.error_str); 737272911Smav break; 738272911Smav case CTL_LUN_OK: 739272911Smav break; 740272911Smav default: 741272911Smav log_warnx("unknown LUN creation status: %d", 742255570Strasz req.status); 743255570Strasz return (1); 744255570Strasz } 745255570Strasz 746255570Strasz lun_set_ctl_lun(lun, req.reqdata.create.req_lun_id); 747255570Strasz return (0); 748255570Strasz} 749255570Strasz 750255570Straszint 751287500Smavkernel_lun_modify(struct lun *lun) 752255570Strasz{ 753287500Smav struct lun_option *lo; 754255570Strasz struct ctl_lun_req req; 755287500Smav int error, i, num_options; 756255570Strasz 757255570Strasz bzero(&req, sizeof(req)); 758255570Strasz 759255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 760255570Strasz req.reqtype = CTL_LUNREQ_MODIFY; 761255570Strasz 762255570Strasz req.reqdata.modify.lun_id = lun->l_ctl_lun; 763255570Strasz req.reqdata.modify.lun_size_bytes = lun->l_size; 764255570Strasz 765287500Smav num_options = 0; 766287500Smav TAILQ_FOREACH(lo, &lun->l_options, lo_next) 767287500Smav num_options++; 768287500Smav 769287500Smav req.num_be_args = num_options; 770287500Smav if (num_options > 0) { 771287500Smav req.be_args = malloc(num_options * sizeof(*req.be_args)); 772287500Smav if (req.be_args == NULL) { 773287500Smav log_warn("error allocating %zd bytes", 774287500Smav num_options * sizeof(*req.be_args)); 775287500Smav return (1); 776287500Smav } 777287500Smav 778287500Smav i = 0; 779287500Smav TAILQ_FOREACH(lo, &lun->l_options, lo_next) { 780287500Smav str_arg(&req.be_args[i], lo->lo_name, lo->lo_value); 781287500Smav i++; 782287500Smav } 783287500Smav assert(i == num_options); 784287500Smav } 785287500Smav 786287500Smav error = ioctl(ctl_fd, CTL_LUN_REQ, &req); 787287500Smav free(req.be_args); 788287500Smav if (error != 0) { 789255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 790255570Strasz return (1); 791255570Strasz } 792255570Strasz 793272911Smav switch (req.status) { 794272911Smav case CTL_LUN_ERROR: 795272911Smav log_warnx("LUN modification error: %s", req.error_str); 796255570Strasz return (1); 797272911Smav case CTL_LUN_WARNING: 798272911Smav log_warnx("LUN modification warning: %s", req.error_str); 799272911Smav break; 800272911Smav case CTL_LUN_OK: 801272911Smav break; 802272911Smav default: 803272911Smav log_warnx("unknown LUN modification status: %d", 804255570Strasz req.status); 805255570Strasz return (1); 806255570Strasz } 807255570Strasz 808255570Strasz return (0); 809255570Strasz} 810255570Strasz 811255570Straszint 812255570Straszkernel_lun_remove(struct lun *lun) 813255570Strasz{ 814255570Strasz struct ctl_lun_req req; 815255570Strasz 816255570Strasz bzero(&req, sizeof(req)); 817255570Strasz 818255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 819255570Strasz req.reqtype = CTL_LUNREQ_RM; 820255570Strasz 821255570Strasz req.reqdata.rm.lun_id = lun->l_ctl_lun; 822255570Strasz 823255570Strasz if (ioctl(ctl_fd, CTL_LUN_REQ, &req) == -1) { 824255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 825255570Strasz return (1); 826255570Strasz } 827255570Strasz 828272911Smav switch (req.status) { 829272911Smav case CTL_LUN_ERROR: 830272911Smav log_warnx("LUN removal error: %s", req.error_str); 831255570Strasz return (1); 832272911Smav case CTL_LUN_WARNING: 833272911Smav log_warnx("LUN removal warning: %s", req.error_str); 834272911Smav break; 835272911Smav case CTL_LUN_OK: 836272911Smav break; 837272911Smav default: 838272911Smav log_warnx("unknown LUN removal status: %d", req.status); 839255570Strasz return (1); 840255570Strasz } 841255570Strasz 842255570Strasz return (0); 843255570Strasz} 844255570Strasz 845255570Straszvoid 846255570Straszkernel_handoff(struct connection *conn) 847255570Strasz{ 848255570Strasz struct ctl_iscsi req; 849255570Strasz 850255570Strasz bzero(&req, sizeof(req)); 851255570Strasz 852255570Strasz req.type = CTL_ISCSI_HANDOFF; 853255570Strasz strlcpy(req.data.handoff.initiator_name, 854255570Strasz conn->conn_initiator_name, sizeof(req.data.handoff.initiator_name)); 855255570Strasz strlcpy(req.data.handoff.initiator_addr, 856255570Strasz conn->conn_initiator_addr, sizeof(req.data.handoff.initiator_addr)); 857255570Strasz if (conn->conn_initiator_alias != NULL) { 858255570Strasz strlcpy(req.data.handoff.initiator_alias, 859255570Strasz conn->conn_initiator_alias, sizeof(req.data.handoff.initiator_alias)); 860255570Strasz } 861268302Smav memcpy(req.data.handoff.initiator_isid, conn->conn_initiator_isid, 862268302Smav sizeof(req.data.handoff.initiator_isid)); 863255570Strasz strlcpy(req.data.handoff.target_name, 864261757Strasz conn->conn_target->t_name, sizeof(req.data.handoff.target_name)); 865279392Strasz if (conn->conn_portal->p_portal_group->pg_offload != NULL) { 866278331Strasz strlcpy(req.data.handoff.offload, 867279392Strasz conn->conn_portal->p_portal_group->pg_offload, 868279392Strasz sizeof(req.data.handoff.offload)); 869278331Strasz } 870264524Strasz#ifdef ICL_KERNEL_PROXY 871264524Strasz if (proxy_mode) 872264524Strasz req.data.handoff.connection_id = conn->conn_socket; 873264524Strasz else 874264524Strasz req.data.handoff.socket = conn->conn_socket; 875264524Strasz#else 876255570Strasz req.data.handoff.socket = conn->conn_socket; 877264524Strasz#endif 878255570Strasz req.data.handoff.portal_group_tag = 879255570Strasz conn->conn_portal->p_portal_group->pg_tag; 880255570Strasz if (conn->conn_header_digest == CONN_DIGEST_CRC32C) 881255570Strasz req.data.handoff.header_digest = CTL_ISCSI_DIGEST_CRC32C; 882255570Strasz if (conn->conn_data_digest == CONN_DIGEST_CRC32C) 883255570Strasz req.data.handoff.data_digest = CTL_ISCSI_DIGEST_CRC32C; 884255570Strasz req.data.handoff.cmdsn = conn->conn_cmdsn; 885255570Strasz req.data.handoff.statsn = conn->conn_statsn; 886255570Strasz req.data.handoff.max_recv_data_segment_length = 887255570Strasz conn->conn_max_data_segment_length; 888255570Strasz req.data.handoff.max_burst_length = conn->conn_max_burst_length; 889255570Strasz req.data.handoff.immediate_data = conn->conn_immediate_data; 890255570Strasz 891264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 892255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 893255570Strasz "dropping connection"); 894264526Strasz } 895255570Strasz 896264526Strasz if (req.status != CTL_ISCSI_OK) { 897255570Strasz log_errx(1, "error returned from CTL iSCSI handoff request: " 898255570Strasz "%s; dropping connection", req.error_str); 899264526Strasz } 900255570Strasz} 901255570Strasz 902278331Straszvoid 903278331Straszkernel_limits(const char *offload, size_t *max_data_segment_length) 904278331Strasz{ 905278331Strasz struct ctl_iscsi req; 906278331Strasz 907278331Strasz bzero(&req, sizeof(req)); 908278331Strasz 909278331Strasz req.type = CTL_ISCSI_LIMITS; 910278331Strasz if (offload != NULL) { 911278331Strasz strlcpy(req.data.limits.offload, offload, 912278331Strasz sizeof(req.data.limits.offload)); 913278331Strasz } 914278331Strasz 915278331Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 916278331Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 917278331Strasz "dropping connection"); 918278331Strasz } 919278331Strasz 920278331Strasz if (req.status != CTL_ISCSI_OK) { 921278331Strasz log_errx(1, "error returned from CTL iSCSI limits request: " 922278331Strasz "%s; dropping connection", req.error_str); 923278331Strasz } 924278331Strasz 925278331Strasz *max_data_segment_length = req.data.limits.data_segment_limit; 926278331Strasz if (offload != NULL) { 927278331Strasz log_debugx("MaxRecvDataSegment kernel limit for offload " 928278331Strasz "\"%s\" is %zd", offload, *max_data_segment_length); 929278331Strasz } else { 930278331Strasz log_debugx("MaxRecvDataSegment kernel limit is %zd", 931278331Strasz *max_data_segment_length); 932278331Strasz } 933278331Strasz} 934278331Strasz 935255570Straszint 936278322Smavkernel_port_add(struct port *port) 937255570Strasz{ 938255570Strasz struct ctl_port_entry entry; 939268291Smav struct ctl_req req; 940278037Smav struct ctl_lun_map lm; 941278322Smav struct target *targ = port->p_target; 942278322Smav struct portal_group *pg = port->p_portal_group; 943268291Smav char tagstr[16]; 944278322Smav int error, i, n; 945255570Strasz 946278037Smav /* Create iSCSI port. */ 947278354Smav if (port->p_portal_group) { 948278354Smav bzero(&req, sizeof(req)); 949278354Smav strlcpy(req.driver, "iscsi", sizeof(req.driver)); 950278354Smav req.reqtype = CTL_REQ_CREATE; 951279276Smav req.num_args = 5; 952278354Smav req.args = malloc(req.num_args * sizeof(*req.args)); 953279276Smav if (req.args == NULL) 954279276Smav log_err(1, "malloc"); 955278354Smav n = 0; 956278354Smav req.args[n].namelen = sizeof("port_id"); 957278354Smav req.args[n].name = __DECONST(char *, "port_id"); 958278354Smav req.args[n].vallen = sizeof(port->p_ctl_port); 959278354Smav req.args[n].value = &port->p_ctl_port; 960278354Smav req.args[n++].flags = CTL_BEARG_WR; 961278354Smav str_arg(&req.args[n++], "cfiscsi_target", targ->t_name); 962278354Smav snprintf(tagstr, sizeof(tagstr), "%d", pg->pg_tag); 963278354Smav str_arg(&req.args[n++], "cfiscsi_portal_group_tag", tagstr); 964278354Smav if (targ->t_alias) 965278354Smav str_arg(&req.args[n++], "cfiscsi_target_alias", targ->t_alias); 966278354Smav str_arg(&req.args[n++], "ctld_portal_group_name", pg->pg_name); 967278354Smav req.num_args = n; 968278354Smav error = ioctl(ctl_fd, CTL_PORT_REQ, &req); 969278354Smav free(req.args); 970278354Smav if (error != 0) { 971278354Smav log_warn("error issuing CTL_PORT_REQ ioctl"); 972278354Smav return (1); 973278354Smav } 974278354Smav if (req.status == CTL_LUN_ERROR) { 975278354Smav log_warnx("error returned from port creation request: %s", 976278354Smav req.error_str); 977278354Smav return (1); 978278354Smav } 979278354Smav if (req.status != CTL_LUN_OK) { 980278354Smav log_warnx("unknown port creation request status %d", 981278354Smav req.status); 982278354Smav return (1); 983278354Smav } 984279590Smav } else if (port->p_pport) { 985278354Smav port->p_ctl_port = port->p_pport->pp_ctl_port; 986268291Smav 987279590Smav if (strncmp(targ->t_name, "naa.", 4) == 0 && 988279590Smav strlen(targ->t_name) == 20) { 989279590Smav bzero(&entry, sizeof(entry)); 990279590Smav entry.port_type = CTL_PORT_NONE; 991279590Smav entry.targ_port = port->p_ctl_port; 992279590Smav entry.flags |= CTL_PORT_WWNN_VALID; 993279590Smav entry.wwnn = strtoull(targ->t_name + 4, NULL, 16); 994279590Smav if (ioctl(ctl_fd, CTL_SET_PORT_WWNS, &entry) == -1) 995279590Smav log_warn("CTL_SET_PORT_WWNS ioctl failed"); 996279590Smav } 997279590Smav } 998279590Smav 999278037Smav /* Explicitly enable mapping to block any access except allowed. */ 1000278322Smav lm.port = port->p_ctl_port; 1001278037Smav lm.plun = UINT32_MAX; 1002278037Smav lm.lun = 0; 1003278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1004278037Smav if (error != 0) 1005278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 1006278037Smav 1007278037Smav /* Map configured LUNs */ 1008278037Smav for (i = 0; i < MAX_LUNS; i++) { 1009278037Smav if (targ->t_luns[i] == NULL) 1010278037Smav continue; 1011278322Smav lm.port = port->p_ctl_port; 1012278037Smav lm.plun = i; 1013278037Smav lm.lun = targ->t_luns[i]->l_ctl_lun; 1014278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1015278037Smav if (error != 0) 1016278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 1017278037Smav } 1018278037Smav 1019278037Smav /* Enable port */ 1020255678Strasz bzero(&entry, sizeof(entry)); 1021278322Smav entry.targ_port = port->p_ctl_port; 1022255570Strasz error = ioctl(ctl_fd, CTL_ENABLE_PORT, &entry); 1023255570Strasz if (error != 0) { 1024255570Strasz log_warn("CTL_ENABLE_PORT ioctl failed"); 1025255570Strasz return (-1); 1026255570Strasz } 1027255570Strasz 1028255570Strasz return (0); 1029255570Strasz} 1030255570Strasz 1031255570Straszint 1032287757Smavkernel_port_update(struct port *port, struct port *oport) 1033278037Smav{ 1034278037Smav struct ctl_lun_map lm; 1035278322Smav struct target *targ = port->p_target; 1036287757Smav struct target *otarg = oport->p_target; 1037278037Smav int error, i; 1038287757Smav uint32_t olun; 1039278037Smav 1040278037Smav /* Map configured LUNs and unmap others */ 1041278037Smav for (i = 0; i < MAX_LUNS; i++) { 1042278322Smav lm.port = port->p_ctl_port; 1043278037Smav lm.plun = i; 1044278037Smav if (targ->t_luns[i] == NULL) 1045278037Smav lm.lun = UINT32_MAX; 1046278037Smav else 1047278037Smav lm.lun = targ->t_luns[i]->l_ctl_lun; 1048287757Smav if (otarg->t_luns[i] == NULL) 1049287757Smav olun = UINT32_MAX; 1050287757Smav else 1051287757Smav olun = otarg->t_luns[i]->l_ctl_lun; 1052287757Smav if (lm.lun == olun) 1053287757Smav continue; 1054278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1055278037Smav if (error != 0) 1056278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 1057278037Smav } 1058278037Smav return (0); 1059278037Smav} 1060278037Smav 1061278037Smavint 1062278322Smavkernel_port_remove(struct port *port) 1063255570Strasz{ 1064278354Smav struct ctl_port_entry entry; 1065278354Smav struct ctl_lun_map lm; 1066268291Smav struct ctl_req req; 1067268291Smav char tagstr[16]; 1068278322Smav struct target *targ = port->p_target; 1069278322Smav struct portal_group *pg = port->p_portal_group; 1070255570Strasz int error; 1071255570Strasz 1072278354Smav /* Disable port */ 1073278354Smav bzero(&entry, sizeof(entry)); 1074278354Smav entry.targ_port = port->p_ctl_port; 1075278354Smav error = ioctl(ctl_fd, CTL_DISABLE_PORT, &entry); 1076255570Strasz if (error != 0) { 1077278354Smav log_warn("CTL_DISABLE_PORT ioctl failed"); 1078278354Smav return (-1); 1079255570Strasz } 1080255570Strasz 1081278354Smav /* Remove iSCSI port. */ 1082278354Smav if (port->p_portal_group) { 1083278354Smav bzero(&req, sizeof(req)); 1084278354Smav strlcpy(req.driver, "iscsi", sizeof(req.driver)); 1085278354Smav req.reqtype = CTL_REQ_REMOVE; 1086278354Smav req.num_args = 2; 1087278354Smav req.args = malloc(req.num_args * sizeof(*req.args)); 1088279276Smav if (req.args == NULL) 1089279276Smav log_err(1, "malloc"); 1090278354Smav str_arg(&req.args[0], "cfiscsi_target", targ->t_name); 1091278354Smav snprintf(tagstr, sizeof(tagstr), "%d", pg->pg_tag); 1092278354Smav str_arg(&req.args[1], "cfiscsi_portal_group_tag", tagstr); 1093278354Smav error = ioctl(ctl_fd, CTL_PORT_REQ, &req); 1094278354Smav free(req.args); 1095278354Smav if (error != 0) { 1096278354Smav log_warn("error issuing CTL_PORT_REQ ioctl"); 1097278354Smav return (1); 1098278354Smav } 1099278354Smav if (req.status == CTL_LUN_ERROR) { 1100278354Smav log_warnx("error returned from port removal request: %s", 1101278354Smav req.error_str); 1102278354Smav return (1); 1103278354Smav } 1104278354Smav if (req.status != CTL_LUN_OK) { 1105278354Smav log_warnx("unknown port removal request status %d", 1106278354Smav req.status); 1107278354Smav return (1); 1108278354Smav } 1109278354Smav } else { 1110278354Smav /* Disable LUN mapping. */ 1111278354Smav lm.port = port->p_ctl_port; 1112278354Smav lm.plun = UINT32_MAX; 1113278354Smav lm.lun = UINT32_MAX; 1114278354Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1115278354Smav if (error != 0) 1116278354Smav log_warn("CTL_LUN_MAP ioctl failed"); 1117268291Smav } 1118255570Strasz return (0); 1119255570Strasz} 1120255570Strasz 1121255570Strasz#ifdef ICL_KERNEL_PROXY 1122255570Straszvoid 1123264526Straszkernel_listen(struct addrinfo *ai, bool iser, int portal_id) 1124255570Strasz{ 1125255570Strasz struct ctl_iscsi req; 1126255570Strasz 1127255570Strasz bzero(&req, sizeof(req)); 1128255570Strasz 1129255570Strasz req.type = CTL_ISCSI_LISTEN; 1130255570Strasz req.data.listen.iser = iser; 1131255570Strasz req.data.listen.domain = ai->ai_family; 1132255570Strasz req.data.listen.socktype = ai->ai_socktype; 1133255570Strasz req.data.listen.protocol = ai->ai_protocol; 1134255570Strasz req.data.listen.addr = ai->ai_addr; 1135255570Strasz req.data.listen.addrlen = ai->ai_addrlen; 1136264526Strasz req.data.listen.portal_id = portal_id; 1137255570Strasz 1138264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) 1139261765Strasz log_err(1, "error issuing CTL_ISCSI ioctl"); 1140261765Strasz 1141261765Strasz if (req.status != CTL_ISCSI_OK) { 1142261765Strasz log_errx(1, "error returned from CTL iSCSI listen: %s", 1143261765Strasz req.error_str); 1144261765Strasz } 1145255570Strasz} 1146255570Strasz 1147264526Straszvoid 1148264530Straszkernel_accept(int *connection_id, int *portal_id, 1149264530Strasz struct sockaddr *client_sa, socklen_t *client_salen) 1150255570Strasz{ 1151255570Strasz struct ctl_iscsi req; 1152264530Strasz struct sockaddr_storage ss; 1153255570Strasz 1154255570Strasz bzero(&req, sizeof(req)); 1155255570Strasz 1156255570Strasz req.type = CTL_ISCSI_ACCEPT; 1157264530Strasz req.data.accept.initiator_addr = (struct sockaddr *)&ss; 1158255570Strasz 1159264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) 1160264526Strasz log_err(1, "error issuing CTL_ISCSI ioctl"); 1161255570Strasz 1162261765Strasz if (req.status != CTL_ISCSI_OK) { 1163264526Strasz log_errx(1, "error returned from CTL iSCSI accept: %s", 1164261765Strasz req.error_str); 1165261765Strasz } 1166261765Strasz 1167264526Strasz *connection_id = req.data.accept.connection_id; 1168264526Strasz *portal_id = req.data.accept.portal_id; 1169264530Strasz *client_salen = req.data.accept.initiator_addrlen; 1170264530Strasz memcpy(client_sa, &ss, *client_salen); 1171255570Strasz} 1172255570Strasz 1173255570Straszvoid 1174255570Straszkernel_send(struct pdu *pdu) 1175255570Strasz{ 1176255570Strasz struct ctl_iscsi req; 1177255570Strasz 1178255570Strasz bzero(&req, sizeof(req)); 1179255570Strasz 1180255570Strasz req.type = CTL_ISCSI_SEND; 1181255570Strasz req.data.send.connection_id = pdu->pdu_connection->conn_socket; 1182255570Strasz req.data.send.bhs = pdu->pdu_bhs; 1183255570Strasz req.data.send.data_segment_len = pdu->pdu_data_len; 1184255570Strasz req.data.send.data_segment = pdu->pdu_data; 1185255570Strasz 1186261765Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 1187255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 1188255570Strasz "dropping connection"); 1189261765Strasz } 1190255570Strasz 1191261765Strasz if (req.status != CTL_ISCSI_OK) { 1192255570Strasz log_errx(1, "error returned from CTL iSCSI send: " 1193255570Strasz "%s; dropping connection", req.error_str); 1194261765Strasz } 1195255570Strasz} 1196255570Strasz 1197255570Straszvoid 1198255570Straszkernel_receive(struct pdu *pdu) 1199255570Strasz{ 1200255570Strasz struct ctl_iscsi req; 1201255570Strasz 1202255570Strasz pdu->pdu_data = malloc(MAX_DATA_SEGMENT_LENGTH); 1203255570Strasz if (pdu->pdu_data == NULL) 1204255570Strasz log_err(1, "malloc"); 1205255570Strasz 1206255570Strasz bzero(&req, sizeof(req)); 1207255570Strasz 1208255570Strasz req.type = CTL_ISCSI_RECEIVE; 1209255570Strasz req.data.receive.connection_id = pdu->pdu_connection->conn_socket; 1210255570Strasz req.data.receive.bhs = pdu->pdu_bhs; 1211255570Strasz req.data.receive.data_segment_len = MAX_DATA_SEGMENT_LENGTH; 1212255570Strasz req.data.receive.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 receive: " 1221255570Strasz "%s; dropping connection", req.error_str); 1222261765Strasz } 1223255570Strasz 1224255570Strasz} 1225255570Strasz 1226255570Strasz#endif /* ICL_KERNEL_PROXY */ 1227255570Strasz 1228255570Strasz/* 1229255570Strasz * XXX: I CANT INTO LATIN 1230255570Strasz */ 1231255570Straszvoid 1232255570Straszkernel_capsicate(void) 1233255570Strasz{ 1234255570Strasz int error; 1235255570Strasz cap_rights_t rights; 1236255570Strasz const unsigned long cmds[] = { CTL_ISCSI }; 1237255570Strasz 1238255570Strasz cap_rights_init(&rights, CAP_IOCTL); 1239255570Strasz error = cap_rights_limit(ctl_fd, &rights); 1240255570Strasz if (error != 0 && errno != ENOSYS) 1241255570Strasz log_err(1, "cap_rights_limit"); 1242255570Strasz 1243255570Strasz error = cap_ioctls_limit(ctl_fd, cmds, 1244255570Strasz sizeof(cmds) / sizeof(cmds[0])); 1245255570Strasz if (error != 0 && errno != ENOSYS) 1246255570Strasz log_err(1, "cap_ioctls_limit"); 1247255570Strasz 1248255570Strasz error = cap_enter(); 1249255570Strasz if (error != 0 && errno != ENOSYS) 1250255570Strasz log_err(1, "cap_enter"); 1251255570Strasz 1252255570Strasz if (cap_sandboxed()) 1253255570Strasz log_debugx("Capsicum capability mode enabled"); 1254255570Strasz else 1255255570Strasz log_warnx("Capsicum capability mode not supported"); 1256255570Strasz} 1257255570Strasz 1258