kernel.c revision 290821
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 290821 2015-11-14 16:06:01Z trasz $"); 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; 111288310Smav uint8_t device_type; 112255570Strasz uint64_t size_blocks; 113255570Strasz uint32_t blocksize; 114255570Strasz char *serial_number; 115255570Strasz char *device_id; 116278037Smav char *ctld_name; 117255570Strasz STAILQ_HEAD(,cctl_lun_nv) attr_list; 118255570Strasz STAILQ_ENTRY(cctl_lun) links; 119255570Strasz}; 120255570Strasz 121268291Smavstruct cctl_port { 122268291Smav uint32_t port_id; 123288061Smav char *port_frontend; 124278354Smav char *port_name; 125284765Smav int pp; 126284765Smav int vp; 127278322Smav int cfiscsi_state; 128268291Smav char *cfiscsi_target; 129268291Smav uint16_t cfiscsi_portal_group_tag; 130278322Smav char *ctld_portal_group_name; 131268291Smav STAILQ_HEAD(,cctl_lun_nv) attr_list; 132268291Smav STAILQ_ENTRY(cctl_port) links; 133268291Smav}; 134268291Smav 135255570Straszstruct cctl_devlist_data { 136255570Strasz int num_luns; 137255570Strasz STAILQ_HEAD(,cctl_lun) lun_list; 138255570Strasz struct cctl_lun *cur_lun; 139268291Smav int num_ports; 140268291Smav STAILQ_HEAD(,cctl_port) port_list; 141268291Smav struct cctl_port *cur_port; 142255570Strasz int level; 143255570Strasz struct sbuf *cur_sb[32]; 144255570Strasz}; 145255570Strasz 146255570Straszstatic void 147255570Straszcctl_start_element(void *user_data, const char *name, const char **attr) 148255570Strasz{ 149255570Strasz int i; 150255570Strasz struct cctl_devlist_data *devlist; 151255570Strasz struct cctl_lun *cur_lun; 152255570Strasz 153255570Strasz devlist = (struct cctl_devlist_data *)user_data; 154255570Strasz cur_lun = devlist->cur_lun; 155255570Strasz devlist->level++; 156256189Strasz if ((u_int)devlist->level >= (sizeof(devlist->cur_sb) / 157255570Strasz sizeof(devlist->cur_sb[0]))) 158255570Strasz log_errx(1, "%s: too many nesting levels, %zd max", __func__, 159255570Strasz sizeof(devlist->cur_sb) / sizeof(devlist->cur_sb[0])); 160255570Strasz 161255570Strasz devlist->cur_sb[devlist->level] = sbuf_new_auto(); 162255570Strasz if (devlist->cur_sb[devlist->level] == NULL) 163255570Strasz log_err(1, "%s: unable to allocate sbuf", __func__); 164255570Strasz 165255570Strasz if (strcmp(name, "lun") == 0) { 166255570Strasz if (cur_lun != NULL) 167255570Strasz log_errx(1, "%s: improper lun element nesting", 168255570Strasz __func__); 169255570Strasz 170255570Strasz cur_lun = calloc(1, sizeof(*cur_lun)); 171255570Strasz if (cur_lun == NULL) 172255570Strasz log_err(1, "%s: cannot allocate %zd bytes", __func__, 173255570Strasz sizeof(*cur_lun)); 174255570Strasz 175255570Strasz devlist->num_luns++; 176255570Strasz devlist->cur_lun = cur_lun; 177255570Strasz 178255570Strasz STAILQ_INIT(&cur_lun->attr_list); 179255570Strasz STAILQ_INSERT_TAIL(&devlist->lun_list, cur_lun, links); 180255570Strasz 181255570Strasz for (i = 0; attr[i] != NULL; i += 2) { 182255570Strasz if (strcmp(attr[i], "id") == 0) { 183255570Strasz cur_lun->lun_id = strtoull(attr[i+1], NULL, 0); 184255570Strasz } else { 185255570Strasz log_errx(1, "%s: invalid LUN attribute %s = %s", 186255570Strasz __func__, attr[i], attr[i+1]); 187255570Strasz } 188255570Strasz } 189255570Strasz } 190255570Strasz} 191255570Strasz 192255570Straszstatic void 193255570Straszcctl_end_element(void *user_data, const char *name) 194255570Strasz{ 195255570Strasz struct cctl_devlist_data *devlist; 196255570Strasz struct cctl_lun *cur_lun; 197255570Strasz char *str; 198255570Strasz 199255570Strasz devlist = (struct cctl_devlist_data *)user_data; 200255570Strasz cur_lun = devlist->cur_lun; 201255570Strasz 202255570Strasz if ((cur_lun == NULL) 203255570Strasz && (strcmp(name, "ctllunlist") != 0)) 204255570Strasz log_errx(1, "%s: cur_lun == NULL! (name = %s)", __func__, name); 205255570Strasz 206255570Strasz if (devlist->cur_sb[devlist->level] == NULL) 207255570Strasz log_errx(1, "%s: no valid sbuf at level %d (name %s)", __func__, 208255570Strasz devlist->level, name); 209255570Strasz 210255570Strasz sbuf_finish(devlist->cur_sb[devlist->level]); 211255570Strasz str = checked_strdup(sbuf_data(devlist->cur_sb[devlist->level])); 212255570Strasz 213255570Strasz if (strlen(str) == 0) { 214255570Strasz free(str); 215255570Strasz str = NULL; 216255570Strasz } 217255570Strasz 218255570Strasz sbuf_delete(devlist->cur_sb[devlist->level]); 219255570Strasz devlist->cur_sb[devlist->level] = NULL; 220255570Strasz devlist->level--; 221255570Strasz 222255570Strasz if (strcmp(name, "backend_type") == 0) { 223255570Strasz cur_lun->backend_type = str; 224255570Strasz str = NULL; 225288310Smav } else if (strcmp(name, "lun_type") == 0) { 226288310Smav cur_lun->device_type = strtoull(str, NULL, 0); 227255570Strasz } else if (strcmp(name, "size") == 0) { 228255570Strasz cur_lun->size_blocks = strtoull(str, NULL, 0); 229255570Strasz } else if (strcmp(name, "blocksize") == 0) { 230255570Strasz cur_lun->blocksize = strtoul(str, NULL, 0); 231255570Strasz } else if (strcmp(name, "serial_number") == 0) { 232255570Strasz cur_lun->serial_number = str; 233255570Strasz str = NULL; 234255570Strasz } else if (strcmp(name, "device_id") == 0) { 235255570Strasz cur_lun->device_id = str; 236255570Strasz str = NULL; 237278037Smav } else if (strcmp(name, "ctld_name") == 0) { 238278037Smav cur_lun->ctld_name = str; 239255570Strasz str = NULL; 240255570Strasz } else if (strcmp(name, "lun") == 0) { 241255570Strasz devlist->cur_lun = NULL; 242255570Strasz } else if (strcmp(name, "ctllunlist") == 0) { 243273464Strasz /* Nothing. */ 244255570Strasz } else { 245255570Strasz struct cctl_lun_nv *nv; 246255570Strasz 247255570Strasz nv = calloc(1, sizeof(*nv)); 248255570Strasz if (nv == NULL) 249255570Strasz log_err(1, "%s: can't allocate %zd bytes for nv pair", 250255570Strasz __func__, sizeof(*nv)); 251255570Strasz 252255570Strasz nv->name = checked_strdup(name); 253255570Strasz 254255570Strasz nv->value = str; 255255570Strasz str = NULL; 256255570Strasz STAILQ_INSERT_TAIL(&cur_lun->attr_list, nv, links); 257255570Strasz } 258255570Strasz 259255570Strasz free(str); 260255570Strasz} 261255570Strasz 262255570Straszstatic void 263268291Smavcctl_start_pelement(void *user_data, const char *name, const char **attr) 264268291Smav{ 265268291Smav int i; 266268291Smav struct cctl_devlist_data *devlist; 267268291Smav struct cctl_port *cur_port; 268268291Smav 269268291Smav devlist = (struct cctl_devlist_data *)user_data; 270268291Smav cur_port = devlist->cur_port; 271268291Smav devlist->level++; 272268291Smav if ((u_int)devlist->level >= (sizeof(devlist->cur_sb) / 273268291Smav sizeof(devlist->cur_sb[0]))) 274268291Smav log_errx(1, "%s: too many nesting levels, %zd max", __func__, 275268291Smav sizeof(devlist->cur_sb) / sizeof(devlist->cur_sb[0])); 276268291Smav 277268291Smav devlist->cur_sb[devlist->level] = sbuf_new_auto(); 278268291Smav if (devlist->cur_sb[devlist->level] == NULL) 279268291Smav log_err(1, "%s: unable to allocate sbuf", __func__); 280268291Smav 281268291Smav if (strcmp(name, "targ_port") == 0) { 282268291Smav if (cur_port != NULL) 283268291Smav log_errx(1, "%s: improper port element nesting (%s)", 284268291Smav __func__, name); 285268291Smav 286268291Smav cur_port = calloc(1, sizeof(*cur_port)); 287268291Smav if (cur_port == NULL) 288268291Smav log_err(1, "%s: cannot allocate %zd bytes", __func__, 289268291Smav sizeof(*cur_port)); 290268291Smav 291268291Smav devlist->num_ports++; 292268291Smav devlist->cur_port = cur_port; 293268291Smav 294268291Smav STAILQ_INIT(&cur_port->attr_list); 295268291Smav STAILQ_INSERT_TAIL(&devlist->port_list, cur_port, links); 296268291Smav 297268291Smav for (i = 0; attr[i] != NULL; i += 2) { 298268291Smav if (strcmp(attr[i], "id") == 0) { 299268291Smav cur_port->port_id = strtoul(attr[i+1], NULL, 0); 300268291Smav } else { 301268291Smav log_errx(1, "%s: invalid LUN attribute %s = %s", 302268291Smav __func__, attr[i], attr[i+1]); 303268291Smav } 304268291Smav } 305268291Smav } 306268291Smav} 307268291Smav 308268291Smavstatic void 309268291Smavcctl_end_pelement(void *user_data, const char *name) 310268291Smav{ 311268291Smav struct cctl_devlist_data *devlist; 312268291Smav struct cctl_port *cur_port; 313268291Smav char *str; 314268291Smav 315268291Smav devlist = (struct cctl_devlist_data *)user_data; 316268291Smav cur_port = devlist->cur_port; 317268291Smav 318268291Smav if ((cur_port == NULL) 319268291Smav && (strcmp(name, "ctlportlist") != 0)) 320268291Smav log_errx(1, "%s: cur_port == NULL! (name = %s)", __func__, name); 321268291Smav 322268291Smav if (devlist->cur_sb[devlist->level] == NULL) 323268291Smav log_errx(1, "%s: no valid sbuf at level %d (name %s)", __func__, 324268291Smav devlist->level, name); 325268291Smav 326268291Smav sbuf_finish(devlist->cur_sb[devlist->level]); 327268291Smav str = checked_strdup(sbuf_data(devlist->cur_sb[devlist->level])); 328268291Smav 329268291Smav if (strlen(str) == 0) { 330268291Smav free(str); 331268291Smav str = NULL; 332268291Smav } 333268291Smav 334268291Smav sbuf_delete(devlist->cur_sb[devlist->level]); 335268291Smav devlist->cur_sb[devlist->level] = NULL; 336268291Smav devlist->level--; 337268291Smav 338288061Smav if (strcmp(name, "frontend_type") == 0) { 339288061Smav cur_port->port_frontend = str; 340288061Smav str = NULL; 341288061Smav } else if (strcmp(name, "port_name") == 0) { 342278354Smav cur_port->port_name = str; 343278354Smav str = NULL; 344284765Smav } else if (strcmp(name, "physical_port") == 0) { 345284765Smav cur_port->pp = strtoul(str, NULL, 0); 346284765Smav } else if (strcmp(name, "virtual_port") == 0) { 347284765Smav cur_port->vp = strtoul(str, NULL, 0); 348278354Smav } else if (strcmp(name, "cfiscsi_target") == 0) { 349268291Smav cur_port->cfiscsi_target = str; 350268291Smav str = NULL; 351278322Smav } else if (strcmp(name, "cfiscsi_state") == 0) { 352278322Smav cur_port->cfiscsi_state = strtoul(str, NULL, 0); 353268291Smav } else if (strcmp(name, "cfiscsi_portal_group_tag") == 0) { 354268291Smav cur_port->cfiscsi_portal_group_tag = strtoul(str, NULL, 0); 355278322Smav } else if (strcmp(name, "ctld_portal_group_name") == 0) { 356278322Smav cur_port->ctld_portal_group_name = str; 357278322Smav str = NULL; 358268291Smav } else if (strcmp(name, "targ_port") == 0) { 359268291Smav devlist->cur_port = NULL; 360268291Smav } else if (strcmp(name, "ctlportlist") == 0) { 361273464Strasz /* Nothing. */ 362268291Smav } else { 363268291Smav struct cctl_lun_nv *nv; 364268291Smav 365268291Smav nv = calloc(1, sizeof(*nv)); 366268291Smav if (nv == NULL) 367268291Smav log_err(1, "%s: can't allocate %zd bytes for nv pair", 368268291Smav __func__, sizeof(*nv)); 369268291Smav 370268291Smav nv->name = checked_strdup(name); 371268291Smav 372268291Smav nv->value = str; 373268291Smav str = NULL; 374268291Smav STAILQ_INSERT_TAIL(&cur_port->attr_list, nv, links); 375268291Smav } 376268291Smav 377268291Smav free(str); 378268291Smav} 379268291Smav 380268291Smavstatic void 381255570Straszcctl_char_handler(void *user_data, const XML_Char *str, int len) 382255570Strasz{ 383255570Strasz struct cctl_devlist_data *devlist; 384255570Strasz 385255570Strasz devlist = (struct cctl_devlist_data *)user_data; 386255570Strasz 387255570Strasz sbuf_bcat(devlist->cur_sb[devlist->level], str, len); 388255570Strasz} 389255570Strasz 390255570Straszstruct conf * 391255570Straszconf_new_from_kernel(void) 392255570Strasz{ 393255570Strasz struct conf *conf = NULL; 394255570Strasz struct target *targ; 395278322Smav struct portal_group *pg; 396278354Smav struct pport *pp; 397278322Smav struct port *cp; 398255570Strasz struct lun *cl; 399290615Smav struct option *o; 400255570Strasz struct ctl_lun_list list; 401255570Strasz struct cctl_devlist_data devlist; 402255570Strasz struct cctl_lun *lun; 403268291Smav struct cctl_port *port; 404255570Strasz XML_Parser parser; 405284765Smav char *str, *name; 406268291Smav int len, retval; 407255570Strasz 408255570Strasz bzero(&devlist, sizeof(devlist)); 409255570Strasz STAILQ_INIT(&devlist.lun_list); 410268291Smav STAILQ_INIT(&devlist.port_list); 411255570Strasz 412255570Strasz log_debugx("obtaining previously configured CTL luns from the kernel"); 413255570Strasz 414268291Smav str = NULL; 415268291Smav len = 4096; 416255570Straszretry: 417268291Smav str = realloc(str, len); 418268291Smav if (str == NULL) 419255570Strasz log_err(1, "realloc"); 420255570Strasz 421255570Strasz bzero(&list, sizeof(list)); 422268291Smav list.alloc_len = len; 423255570Strasz list.status = CTL_LUN_LIST_NONE; 424268291Smav list.lun_xml = str; 425255570Strasz 426255570Strasz if (ioctl(ctl_fd, CTL_LUN_LIST, &list) == -1) { 427255570Strasz log_warn("error issuing CTL_LUN_LIST ioctl"); 428268291Smav free(str); 429255570Strasz return (NULL); 430255570Strasz } 431255570Strasz 432255570Strasz if (list.status == CTL_LUN_LIST_ERROR) { 433255570Strasz log_warnx("error returned from CTL_LUN_LIST ioctl: %s", 434255570Strasz list.error_str); 435268291Smav free(str); 436255570Strasz return (NULL); 437255570Strasz } 438255570Strasz 439255570Strasz if (list.status == CTL_LUN_LIST_NEED_MORE_SPACE) { 440268291Smav len = len << 1; 441255570Strasz goto retry; 442255570Strasz } 443255570Strasz 444255570Strasz parser = XML_ParserCreate(NULL); 445255570Strasz if (parser == NULL) { 446255570Strasz log_warnx("unable to create XML parser"); 447268291Smav free(str); 448255570Strasz return (NULL); 449255570Strasz } 450255570Strasz 451255570Strasz XML_SetUserData(parser, &devlist); 452255570Strasz XML_SetElementHandler(parser, cctl_start_element, cctl_end_element); 453255570Strasz XML_SetCharacterDataHandler(parser, cctl_char_handler); 454255570Strasz 455268291Smav retval = XML_Parse(parser, str, strlen(str), 1); 456255570Strasz XML_ParserFree(parser); 457268291Smav free(str); 458255570Strasz if (retval != 1) { 459255570Strasz log_warnx("XML_Parse failed"); 460255570Strasz return (NULL); 461255570Strasz } 462255570Strasz 463268291Smav str = NULL; 464268291Smav len = 4096; 465268291Smavretry_port: 466268291Smav str = realloc(str, len); 467268291Smav if (str == NULL) 468268291Smav log_err(1, "realloc"); 469268291Smav 470268291Smav bzero(&list, sizeof(list)); 471268291Smav list.alloc_len = len; 472268291Smav list.status = CTL_LUN_LIST_NONE; 473268291Smav list.lun_xml = str; 474268291Smav 475268291Smav if (ioctl(ctl_fd, CTL_PORT_LIST, &list) == -1) { 476268291Smav log_warn("error issuing CTL_PORT_LIST ioctl"); 477268291Smav free(str); 478268291Smav return (NULL); 479268291Smav } 480268291Smav 481288259Smav if (list.status == CTL_LUN_LIST_ERROR) { 482268291Smav log_warnx("error returned from CTL_PORT_LIST ioctl: %s", 483268291Smav list.error_str); 484268291Smav free(str); 485268291Smav return (NULL); 486268291Smav } 487268291Smav 488268291Smav if (list.status == CTL_LUN_LIST_NEED_MORE_SPACE) { 489268291Smav len = len << 1; 490268291Smav goto retry_port; 491268291Smav } 492268291Smav 493268291Smav parser = XML_ParserCreate(NULL); 494268291Smav if (parser == NULL) { 495268291Smav log_warnx("unable to create XML parser"); 496268291Smav free(str); 497268291Smav return (NULL); 498268291Smav } 499268291Smav 500268291Smav XML_SetUserData(parser, &devlist); 501268291Smav XML_SetElementHandler(parser, cctl_start_pelement, cctl_end_pelement); 502268291Smav XML_SetCharacterDataHandler(parser, cctl_char_handler); 503268291Smav 504268291Smav retval = XML_Parse(parser, str, strlen(str), 1); 505268291Smav XML_ParserFree(parser); 506268291Smav free(str); 507268291Smav if (retval != 1) { 508268291Smav log_warnx("XML_Parse failed"); 509268291Smav return (NULL); 510268291Smav } 511268291Smav 512255570Strasz conf = conf_new(); 513255570Strasz 514284765Smav name = NULL; 515268291Smav STAILQ_FOREACH(port, &devlist.port_list, links) { 516288061Smav if (strcmp(port->port_frontend, "ha") == 0) 517288061Smav continue; 518290821Strasz free(name); 519284765Smav if (port->pp == 0 && port->vp == 0) 520284765Smav name = checked_strdup(port->port_name); 521284765Smav else if (port->vp == 0) 522284765Smav asprintf(&name, "%s/%d", port->port_name, port->pp); 523284765Smav else 524284765Smav asprintf(&name, "%s/%d/%d", port->port_name, port->pp, 525284765Smav port->vp); 526268291Smav 527268291Smav if (port->cfiscsi_target == NULL) { 528278354Smav log_debugx("CTL port %u \"%s\" wasn't managed by ctld; ", 529284765Smav port->port_id, name); 530284765Smav pp = pport_find(conf, name); 531278354Smav if (pp == NULL) { 532278354Smav#if 0 533278354Smav log_debugx("found new kernel port %u \"%s\"", 534284765Smav port->port_id, name); 535278354Smav#endif 536284765Smav pp = pport_new(conf, name, port->port_id); 537278354Smav if (pp == NULL) { 538278354Smav log_warnx("pport_new failed"); 539278354Smav continue; 540278354Smav } 541278354Smav } 542268291Smav continue; 543268291Smav } 544278322Smav if (port->cfiscsi_state != 1) { 545268328Smav log_debugx("CTL port %ju is not active (%d); ignoring", 546278322Smav (uintmax_t)port->port_id, port->cfiscsi_state); 547268328Smav continue; 548268328Smav } 549268291Smav 550268291Smav targ = target_find(conf, port->cfiscsi_target); 551268291Smav if (targ == NULL) { 552268291Smav#if 0 553268291Smav log_debugx("found new kernel target %s for CTL port %ld", 554268291Smav port->cfiscsi_target, port->port_id); 555268291Smav#endif 556268291Smav targ = target_new(conf, port->cfiscsi_target); 557268291Smav if (targ == NULL) { 558268291Smav log_warnx("target_new failed"); 559268291Smav continue; 560268291Smav } 561268291Smav } 562278322Smav 563278322Smav if (port->ctld_portal_group_name == NULL) 564278322Smav continue; 565278322Smav pg = portal_group_find(conf, port->ctld_portal_group_name); 566278322Smav if (pg == NULL) { 567278322Smav#if 0 568278322Smav log_debugx("found new kernel portal group %s for CTL port %ld", 569278322Smav port->ctld_portal_group_name, port->port_id); 570278322Smav#endif 571278322Smav pg = portal_group_new(conf, port->ctld_portal_group_name); 572278322Smav if (pg == NULL) { 573278322Smav log_warnx("portal_group_new failed"); 574278322Smav continue; 575278322Smav } 576278322Smav } 577278322Smav pg->pg_tag = port->cfiscsi_portal_group_tag; 578278322Smav cp = port_new(conf, targ, pg); 579278322Smav if (cp == NULL) { 580278322Smav log_warnx("port_new failed"); 581278322Smav continue; 582278322Smav } 583278322Smav cp->p_ctl_port = port->port_id; 584268291Smav } 585290821Strasz free(name); 586268291Smav 587255570Strasz STAILQ_FOREACH(lun, &devlist.lun_list, links) { 588255570Strasz struct cctl_lun_nv *nv; 589255570Strasz 590278037Smav if (lun->ctld_name == NULL) { 591255570Strasz log_debugx("CTL lun %ju wasn't managed by ctld; " 592255570Strasz "ignoring", (uintmax_t)lun->lun_id); 593255570Strasz continue; 594255570Strasz } 595255570Strasz 596278037Smav cl = lun_find(conf, lun->ctld_name); 597255570Strasz if (cl != NULL) { 598278037Smav log_warnx("found CTL lun %ju \"%s\", " 599278037Smav "also backed by CTL lun %d; ignoring", 600278037Smav (uintmax_t)lun->lun_id, lun->ctld_name, 601278037Smav cl->l_ctl_lun); 602255570Strasz continue; 603255570Strasz } 604255570Strasz 605278037Smav log_debugx("found CTL lun %ju \"%s\"", 606278037Smav (uintmax_t)lun->lun_id, lun->ctld_name); 607255570Strasz 608278037Smav cl = lun_new(conf, lun->ctld_name); 609255570Strasz if (cl == NULL) { 610255570Strasz log_warnx("lun_new failed"); 611255570Strasz continue; 612255570Strasz } 613255570Strasz lun_set_backend(cl, lun->backend_type); 614288310Smav lun_set_device_type(cl, lun->device_type); 615255570Strasz lun_set_blocksize(cl, lun->blocksize); 616255570Strasz lun_set_device_id(cl, lun->device_id); 617255570Strasz lun_set_serial(cl, lun->serial_number); 618255570Strasz lun_set_size(cl, lun->size_blocks * cl->l_blocksize); 619255570Strasz lun_set_ctl_lun(cl, lun->lun_id); 620255570Strasz 621255570Strasz STAILQ_FOREACH(nv, &lun->attr_list, links) { 622255570Strasz if (strcmp(nv->name, "file") == 0 || 623255570Strasz strcmp(nv->name, "dev") == 0) { 624255570Strasz lun_set_path(cl, nv->value); 625255570Strasz continue; 626255570Strasz } 627290615Smav o = option_new(&cl->l_options, nv->name, nv->value); 628290615Smav if (o == NULL) 629255570Strasz log_warnx("unable to add CTL lun option %s " 630278037Smav "for CTL lun %ju \"%s\"", 631255570Strasz nv->name, (uintmax_t) lun->lun_id, 632278037Smav cl->l_name); 633255570Strasz } 634255570Strasz } 635255570Strasz 636255570Strasz return (conf); 637255570Strasz} 638255570Strasz 639268291Smavstatic void 640268291Smavstr_arg(struct ctl_be_arg *arg, const char *name, const char *value) 641268291Smav{ 642268291Smav 643268291Smav arg->namelen = strlen(name) + 1; 644268291Smav arg->name = __DECONST(char *, name); 645268291Smav arg->vallen = strlen(value) + 1; 646268291Smav arg->value = __DECONST(char *, value); 647268291Smav arg->flags = CTL_BEARG_ASCII | CTL_BEARG_RD; 648268291Smav} 649268291Smav 650255570Straszint 651255570Straszkernel_lun_add(struct lun *lun) 652255570Strasz{ 653290615Smav struct option *o; 654255570Strasz struct ctl_lun_req req; 655255570Strasz int error, i, num_options; 656255570Strasz 657255570Strasz bzero(&req, sizeof(req)); 658255570Strasz 659255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 660255570Strasz req.reqtype = CTL_LUNREQ_CREATE; 661255570Strasz 662255570Strasz req.reqdata.create.blocksize_bytes = lun->l_blocksize; 663255570Strasz 664255570Strasz if (lun->l_size != 0) 665255570Strasz req.reqdata.create.lun_size_bytes = lun->l_size; 666255570Strasz 667287823Smav if (lun->l_ctl_lun >= 0) { 668287823Smav req.reqdata.create.req_lun_id = lun->l_ctl_lun; 669287823Smav req.reqdata.create.flags |= CTL_LUN_FLAG_ID_REQ; 670287823Smav } 671287823Smav 672255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_DEV_TYPE; 673288310Smav req.reqdata.create.device_type = lun->l_device_type; 674255570Strasz 675255570Strasz if (lun->l_serial != NULL) { 676267648Smav strncpy(req.reqdata.create.serial_num, lun->l_serial, 677255570Strasz sizeof(req.reqdata.create.serial_num)); 678255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_SERIAL_NUM; 679255570Strasz } 680255570Strasz 681255570Strasz if (lun->l_device_id != NULL) { 682267648Smav strncpy(req.reqdata.create.device_id, lun->l_device_id, 683255570Strasz sizeof(req.reqdata.create.device_id)); 684255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_DEVID; 685255570Strasz } 686255570Strasz 687255570Strasz if (lun->l_path != NULL) { 688290615Smav o = option_find(&lun->l_options, "file"); 689290615Smav if (o != NULL) { 690290615Smav option_set(o, lun->l_path); 691255570Strasz } else { 692290615Smav o = option_new(&lun->l_options, "file", lun->l_path); 693290615Smav assert(o != NULL); 694255570Strasz } 695255570Strasz } 696255570Strasz 697290615Smav o = option_find(&lun->l_options, "ctld_name"); 698290615Smav if (o != NULL) { 699290615Smav option_set(o, lun->l_name); 700255570Strasz } else { 701290615Smav o = option_new(&lun->l_options, "ctld_name", lun->l_name); 702290615Smav assert(o != NULL); 703255570Strasz } 704255570Strasz 705290615Smav o = option_find(&lun->l_options, "scsiname"); 706290615Smav if (o == NULL && lun->l_scsiname != NULL) { 707290615Smav o = option_new(&lun->l_options, "scsiname", lun->l_scsiname); 708290615Smav assert(o != NULL); 709268293Smav } 710268293Smav 711255570Strasz num_options = 0; 712290615Smav TAILQ_FOREACH(o, &lun->l_options, o_next) 713255570Strasz num_options++; 714255570Strasz 715255570Strasz req.num_be_args = num_options; 716255570Strasz if (num_options > 0) { 717255570Strasz req.be_args = malloc(num_options * sizeof(*req.be_args)); 718255570Strasz if (req.be_args == NULL) { 719255570Strasz log_warn("error allocating %zd bytes", 720255570Strasz num_options * sizeof(*req.be_args)); 721255570Strasz return (1); 722255570Strasz } 723255570Strasz 724255570Strasz i = 0; 725290615Smav TAILQ_FOREACH(o, &lun->l_options, o_next) { 726290615Smav str_arg(&req.be_args[i], o->o_name, o->o_value); 727255570Strasz i++; 728255570Strasz } 729255570Strasz assert(i == num_options); 730255570Strasz } 731255570Strasz 732255570Strasz error = ioctl(ctl_fd, CTL_LUN_REQ, &req); 733255570Strasz free(req.be_args); 734255570Strasz if (error != 0) { 735255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 736255570Strasz return (1); 737255570Strasz } 738255570Strasz 739272911Smav switch (req.status) { 740272911Smav case CTL_LUN_ERROR: 741272911Smav log_warnx("LUN creation error: %s", req.error_str); 742255570Strasz return (1); 743272911Smav case CTL_LUN_WARNING: 744272911Smav log_warnx("LUN creation warning: %s", req.error_str); 745272911Smav break; 746272911Smav case CTL_LUN_OK: 747272911Smav break; 748272911Smav default: 749272911Smav log_warnx("unknown LUN creation status: %d", 750255570Strasz req.status); 751255570Strasz return (1); 752255570Strasz } 753255570Strasz 754255570Strasz lun_set_ctl_lun(lun, req.reqdata.create.req_lun_id); 755255570Strasz return (0); 756255570Strasz} 757255570Strasz 758255570Straszint 759287500Smavkernel_lun_modify(struct lun *lun) 760255570Strasz{ 761290615Smav struct option *o; 762255570Strasz struct ctl_lun_req req; 763287500Smav int error, i, num_options; 764255570Strasz 765255570Strasz bzero(&req, sizeof(req)); 766255570Strasz 767255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 768255570Strasz req.reqtype = CTL_LUNREQ_MODIFY; 769255570Strasz 770255570Strasz req.reqdata.modify.lun_id = lun->l_ctl_lun; 771255570Strasz req.reqdata.modify.lun_size_bytes = lun->l_size; 772255570Strasz 773287500Smav num_options = 0; 774290615Smav TAILQ_FOREACH(o, &lun->l_options, o_next) 775287500Smav num_options++; 776287500Smav 777287500Smav req.num_be_args = num_options; 778287500Smav if (num_options > 0) { 779287500Smav req.be_args = malloc(num_options * sizeof(*req.be_args)); 780287500Smav if (req.be_args == NULL) { 781287500Smav log_warn("error allocating %zd bytes", 782287500Smav num_options * sizeof(*req.be_args)); 783287500Smav return (1); 784287500Smav } 785287500Smav 786287500Smav i = 0; 787290615Smav TAILQ_FOREACH(o, &lun->l_options, o_next) { 788290615Smav str_arg(&req.be_args[i], o->o_name, o->o_value); 789287500Smav i++; 790287500Smav } 791287500Smav assert(i == num_options); 792287500Smav } 793287500Smav 794287500Smav error = ioctl(ctl_fd, CTL_LUN_REQ, &req); 795287500Smav free(req.be_args); 796287500Smav if (error != 0) { 797255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 798255570Strasz return (1); 799255570Strasz } 800255570Strasz 801272911Smav switch (req.status) { 802272911Smav case CTL_LUN_ERROR: 803272911Smav log_warnx("LUN modification error: %s", req.error_str); 804255570Strasz return (1); 805272911Smav case CTL_LUN_WARNING: 806272911Smav log_warnx("LUN modification warning: %s", req.error_str); 807272911Smav break; 808272911Smav case CTL_LUN_OK: 809272911Smav break; 810272911Smav default: 811272911Smav log_warnx("unknown LUN modification status: %d", 812255570Strasz req.status); 813255570Strasz return (1); 814255570Strasz } 815255570Strasz 816255570Strasz return (0); 817255570Strasz} 818255570Strasz 819255570Straszint 820255570Straszkernel_lun_remove(struct lun *lun) 821255570Strasz{ 822255570Strasz struct ctl_lun_req req; 823255570Strasz 824255570Strasz bzero(&req, sizeof(req)); 825255570Strasz 826255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 827255570Strasz req.reqtype = CTL_LUNREQ_RM; 828255570Strasz 829255570Strasz req.reqdata.rm.lun_id = lun->l_ctl_lun; 830255570Strasz 831255570Strasz if (ioctl(ctl_fd, CTL_LUN_REQ, &req) == -1) { 832255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 833255570Strasz return (1); 834255570Strasz } 835255570Strasz 836272911Smav switch (req.status) { 837272911Smav case CTL_LUN_ERROR: 838272911Smav log_warnx("LUN removal error: %s", req.error_str); 839255570Strasz return (1); 840272911Smav case CTL_LUN_WARNING: 841272911Smav log_warnx("LUN removal warning: %s", req.error_str); 842272911Smav break; 843272911Smav case CTL_LUN_OK: 844272911Smav break; 845272911Smav default: 846272911Smav log_warnx("unknown LUN removal status: %d", req.status); 847255570Strasz return (1); 848255570Strasz } 849255570Strasz 850255570Strasz return (0); 851255570Strasz} 852255570Strasz 853255570Straszvoid 854255570Straszkernel_handoff(struct connection *conn) 855255570Strasz{ 856255570Strasz struct ctl_iscsi req; 857255570Strasz 858255570Strasz bzero(&req, sizeof(req)); 859255570Strasz 860255570Strasz req.type = CTL_ISCSI_HANDOFF; 861255570Strasz strlcpy(req.data.handoff.initiator_name, 862255570Strasz conn->conn_initiator_name, sizeof(req.data.handoff.initiator_name)); 863255570Strasz strlcpy(req.data.handoff.initiator_addr, 864255570Strasz conn->conn_initiator_addr, sizeof(req.data.handoff.initiator_addr)); 865255570Strasz if (conn->conn_initiator_alias != NULL) { 866255570Strasz strlcpy(req.data.handoff.initiator_alias, 867255570Strasz conn->conn_initiator_alias, sizeof(req.data.handoff.initiator_alias)); 868255570Strasz } 869268302Smav memcpy(req.data.handoff.initiator_isid, conn->conn_initiator_isid, 870268302Smav sizeof(req.data.handoff.initiator_isid)); 871255570Strasz strlcpy(req.data.handoff.target_name, 872261757Strasz conn->conn_target->t_name, sizeof(req.data.handoff.target_name)); 873279392Strasz if (conn->conn_portal->p_portal_group->pg_offload != NULL) { 874278331Strasz strlcpy(req.data.handoff.offload, 875279392Strasz conn->conn_portal->p_portal_group->pg_offload, 876279392Strasz sizeof(req.data.handoff.offload)); 877278331Strasz } 878264524Strasz#ifdef ICL_KERNEL_PROXY 879264524Strasz if (proxy_mode) 880264524Strasz req.data.handoff.connection_id = conn->conn_socket; 881264524Strasz else 882264524Strasz req.data.handoff.socket = conn->conn_socket; 883264524Strasz#else 884255570Strasz req.data.handoff.socket = conn->conn_socket; 885264524Strasz#endif 886255570Strasz req.data.handoff.portal_group_tag = 887255570Strasz conn->conn_portal->p_portal_group->pg_tag; 888255570Strasz if (conn->conn_header_digest == CONN_DIGEST_CRC32C) 889255570Strasz req.data.handoff.header_digest = CTL_ISCSI_DIGEST_CRC32C; 890255570Strasz if (conn->conn_data_digest == CONN_DIGEST_CRC32C) 891255570Strasz req.data.handoff.data_digest = CTL_ISCSI_DIGEST_CRC32C; 892255570Strasz req.data.handoff.cmdsn = conn->conn_cmdsn; 893255570Strasz req.data.handoff.statsn = conn->conn_statsn; 894255570Strasz req.data.handoff.max_recv_data_segment_length = 895255570Strasz conn->conn_max_data_segment_length; 896255570Strasz req.data.handoff.max_burst_length = conn->conn_max_burst_length; 897255570Strasz req.data.handoff.immediate_data = conn->conn_immediate_data; 898255570Strasz 899264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 900255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 901255570Strasz "dropping connection"); 902264526Strasz } 903255570Strasz 904264526Strasz if (req.status != CTL_ISCSI_OK) { 905255570Strasz log_errx(1, "error returned from CTL iSCSI handoff request: " 906255570Strasz "%s; dropping connection", req.error_str); 907264526Strasz } 908255570Strasz} 909255570Strasz 910278331Straszvoid 911278331Straszkernel_limits(const char *offload, size_t *max_data_segment_length) 912278331Strasz{ 913278331Strasz struct ctl_iscsi req; 914278331Strasz 915278331Strasz bzero(&req, sizeof(req)); 916278331Strasz 917278331Strasz req.type = CTL_ISCSI_LIMITS; 918278331Strasz if (offload != NULL) { 919278331Strasz strlcpy(req.data.limits.offload, offload, 920278331Strasz sizeof(req.data.limits.offload)); 921278331Strasz } 922278331Strasz 923278331Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 924278331Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 925278331Strasz "dropping connection"); 926278331Strasz } 927278331Strasz 928278331Strasz if (req.status != CTL_ISCSI_OK) { 929278331Strasz log_errx(1, "error returned from CTL iSCSI limits request: " 930278331Strasz "%s; dropping connection", req.error_str); 931278331Strasz } 932278331Strasz 933278331Strasz *max_data_segment_length = req.data.limits.data_segment_limit; 934278331Strasz if (offload != NULL) { 935278331Strasz log_debugx("MaxRecvDataSegment kernel limit for offload " 936278331Strasz "\"%s\" is %zd", offload, *max_data_segment_length); 937278331Strasz } else { 938278331Strasz log_debugx("MaxRecvDataSegment kernel limit is %zd", 939278331Strasz *max_data_segment_length); 940278331Strasz } 941278331Strasz} 942278331Strasz 943255570Straszint 944278322Smavkernel_port_add(struct port *port) 945255570Strasz{ 946290615Smav struct option *o; 947255570Strasz struct ctl_port_entry entry; 948268291Smav struct ctl_req req; 949278037Smav struct ctl_lun_map lm; 950278322Smav struct target *targ = port->p_target; 951278322Smav struct portal_group *pg = port->p_portal_group; 952268291Smav char tagstr[16]; 953278322Smav int error, i, n; 954255570Strasz 955278037Smav /* Create iSCSI port. */ 956278354Smav if (port->p_portal_group) { 957278354Smav bzero(&req, sizeof(req)); 958278354Smav strlcpy(req.driver, "iscsi", sizeof(req.driver)); 959278354Smav req.reqtype = CTL_REQ_CREATE; 960279276Smav req.num_args = 5; 961290615Smav TAILQ_FOREACH(o, &pg->pg_options, o_next) 962290615Smav req.num_args++; 963278354Smav req.args = malloc(req.num_args * sizeof(*req.args)); 964279276Smav if (req.args == NULL) 965279276Smav log_err(1, "malloc"); 966278354Smav n = 0; 967278354Smav req.args[n].namelen = sizeof("port_id"); 968278354Smav req.args[n].name = __DECONST(char *, "port_id"); 969278354Smav req.args[n].vallen = sizeof(port->p_ctl_port); 970278354Smav req.args[n].value = &port->p_ctl_port; 971278354Smav req.args[n++].flags = CTL_BEARG_WR; 972278354Smav str_arg(&req.args[n++], "cfiscsi_target", targ->t_name); 973278354Smav snprintf(tagstr, sizeof(tagstr), "%d", pg->pg_tag); 974278354Smav str_arg(&req.args[n++], "cfiscsi_portal_group_tag", tagstr); 975278354Smav if (targ->t_alias) 976278354Smav str_arg(&req.args[n++], "cfiscsi_target_alias", targ->t_alias); 977278354Smav str_arg(&req.args[n++], "ctld_portal_group_name", pg->pg_name); 978290615Smav TAILQ_FOREACH(o, &pg->pg_options, o_next) 979290615Smav str_arg(&req.args[n++], o->o_name, o->o_value); 980278354Smav req.num_args = n; 981278354Smav error = ioctl(ctl_fd, CTL_PORT_REQ, &req); 982278354Smav free(req.args); 983278354Smav if (error != 0) { 984278354Smav log_warn("error issuing CTL_PORT_REQ ioctl"); 985278354Smav return (1); 986278354Smav } 987278354Smav if (req.status == CTL_LUN_ERROR) { 988278354Smav log_warnx("error returned from port creation request: %s", 989278354Smav req.error_str); 990278354Smav return (1); 991278354Smav } 992278354Smav if (req.status != CTL_LUN_OK) { 993278354Smav log_warnx("unknown port creation request status %d", 994278354Smav req.status); 995278354Smav return (1); 996278354Smav } 997279590Smav } else if (port->p_pport) { 998278354Smav port->p_ctl_port = port->p_pport->pp_ctl_port; 999268291Smav 1000279590Smav if (strncmp(targ->t_name, "naa.", 4) == 0 && 1001279590Smav strlen(targ->t_name) == 20) { 1002279590Smav bzero(&entry, sizeof(entry)); 1003279590Smav entry.port_type = CTL_PORT_NONE; 1004279590Smav entry.targ_port = port->p_ctl_port; 1005279590Smav entry.flags |= CTL_PORT_WWNN_VALID; 1006279590Smav entry.wwnn = strtoull(targ->t_name + 4, NULL, 16); 1007279590Smav if (ioctl(ctl_fd, CTL_SET_PORT_WWNS, &entry) == -1) 1008279590Smav log_warn("CTL_SET_PORT_WWNS ioctl failed"); 1009279590Smav } 1010279590Smav } 1011279590Smav 1012278037Smav /* Explicitly enable mapping to block any access except allowed. */ 1013278322Smav lm.port = port->p_ctl_port; 1014278037Smav lm.plun = UINT32_MAX; 1015278037Smav lm.lun = 0; 1016278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1017278037Smav if (error != 0) 1018278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 1019278037Smav 1020278037Smav /* Map configured LUNs */ 1021278037Smav for (i = 0; i < MAX_LUNS; i++) { 1022278037Smav if (targ->t_luns[i] == NULL) 1023278037Smav continue; 1024278322Smav lm.port = port->p_ctl_port; 1025278037Smav lm.plun = i; 1026278037Smav lm.lun = targ->t_luns[i]->l_ctl_lun; 1027278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1028278037Smav if (error != 0) 1029278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 1030278037Smav } 1031278037Smav 1032278037Smav /* Enable port */ 1033255678Strasz bzero(&entry, sizeof(entry)); 1034278322Smav entry.targ_port = port->p_ctl_port; 1035255570Strasz error = ioctl(ctl_fd, CTL_ENABLE_PORT, &entry); 1036255570Strasz if (error != 0) { 1037255570Strasz log_warn("CTL_ENABLE_PORT ioctl failed"); 1038255570Strasz return (-1); 1039255570Strasz } 1040255570Strasz 1041255570Strasz return (0); 1042255570Strasz} 1043255570Strasz 1044255570Straszint 1045287757Smavkernel_port_update(struct port *port, struct port *oport) 1046278037Smav{ 1047278037Smav struct ctl_lun_map lm; 1048278322Smav struct target *targ = port->p_target; 1049287757Smav struct target *otarg = oport->p_target; 1050278037Smav int error, i; 1051287757Smav uint32_t olun; 1052278037Smav 1053278037Smav /* Map configured LUNs and unmap others */ 1054278037Smav for (i = 0; i < MAX_LUNS; i++) { 1055278322Smav lm.port = port->p_ctl_port; 1056278037Smav lm.plun = i; 1057278037Smav if (targ->t_luns[i] == NULL) 1058278037Smav lm.lun = UINT32_MAX; 1059278037Smav else 1060278037Smav lm.lun = targ->t_luns[i]->l_ctl_lun; 1061287757Smav if (otarg->t_luns[i] == NULL) 1062287757Smav olun = UINT32_MAX; 1063287757Smav else 1064287757Smav olun = otarg->t_luns[i]->l_ctl_lun; 1065287757Smav if (lm.lun == olun) 1066287757Smav continue; 1067278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1068278037Smav if (error != 0) 1069278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 1070278037Smav } 1071278037Smav return (0); 1072278037Smav} 1073278037Smav 1074278037Smavint 1075278322Smavkernel_port_remove(struct port *port) 1076255570Strasz{ 1077278354Smav struct ctl_port_entry entry; 1078278354Smav struct ctl_lun_map lm; 1079268291Smav struct ctl_req req; 1080268291Smav char tagstr[16]; 1081278322Smav struct target *targ = port->p_target; 1082278322Smav struct portal_group *pg = port->p_portal_group; 1083255570Strasz int error; 1084255570Strasz 1085278354Smav /* Disable port */ 1086278354Smav bzero(&entry, sizeof(entry)); 1087278354Smav entry.targ_port = port->p_ctl_port; 1088278354Smav error = ioctl(ctl_fd, CTL_DISABLE_PORT, &entry); 1089255570Strasz if (error != 0) { 1090278354Smav log_warn("CTL_DISABLE_PORT ioctl failed"); 1091278354Smav return (-1); 1092255570Strasz } 1093255570Strasz 1094278354Smav /* Remove iSCSI port. */ 1095278354Smav if (port->p_portal_group) { 1096278354Smav bzero(&req, sizeof(req)); 1097278354Smav strlcpy(req.driver, "iscsi", sizeof(req.driver)); 1098278354Smav req.reqtype = CTL_REQ_REMOVE; 1099278354Smav req.num_args = 2; 1100278354Smav req.args = malloc(req.num_args * sizeof(*req.args)); 1101279276Smav if (req.args == NULL) 1102279276Smav log_err(1, "malloc"); 1103278354Smav str_arg(&req.args[0], "cfiscsi_target", targ->t_name); 1104278354Smav snprintf(tagstr, sizeof(tagstr), "%d", pg->pg_tag); 1105278354Smav str_arg(&req.args[1], "cfiscsi_portal_group_tag", tagstr); 1106278354Smav error = ioctl(ctl_fd, CTL_PORT_REQ, &req); 1107278354Smav free(req.args); 1108278354Smav if (error != 0) { 1109278354Smav log_warn("error issuing CTL_PORT_REQ ioctl"); 1110278354Smav return (1); 1111278354Smav } 1112278354Smav if (req.status == CTL_LUN_ERROR) { 1113278354Smav log_warnx("error returned from port removal request: %s", 1114278354Smav req.error_str); 1115278354Smav return (1); 1116278354Smav } 1117278354Smav if (req.status != CTL_LUN_OK) { 1118278354Smav log_warnx("unknown port removal request status %d", 1119278354Smav req.status); 1120278354Smav return (1); 1121278354Smav } 1122278354Smav } else { 1123278354Smav /* Disable LUN mapping. */ 1124278354Smav lm.port = port->p_ctl_port; 1125278354Smav lm.plun = UINT32_MAX; 1126278354Smav lm.lun = UINT32_MAX; 1127278354Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1128278354Smav if (error != 0) 1129278354Smav log_warn("CTL_LUN_MAP ioctl failed"); 1130268291Smav } 1131255570Strasz return (0); 1132255570Strasz} 1133255570Strasz 1134255570Strasz#ifdef ICL_KERNEL_PROXY 1135255570Straszvoid 1136264526Straszkernel_listen(struct addrinfo *ai, bool iser, int portal_id) 1137255570Strasz{ 1138255570Strasz struct ctl_iscsi req; 1139255570Strasz 1140255570Strasz bzero(&req, sizeof(req)); 1141255570Strasz 1142255570Strasz req.type = CTL_ISCSI_LISTEN; 1143255570Strasz req.data.listen.iser = iser; 1144255570Strasz req.data.listen.domain = ai->ai_family; 1145255570Strasz req.data.listen.socktype = ai->ai_socktype; 1146255570Strasz req.data.listen.protocol = ai->ai_protocol; 1147255570Strasz req.data.listen.addr = ai->ai_addr; 1148255570Strasz req.data.listen.addrlen = ai->ai_addrlen; 1149264526Strasz req.data.listen.portal_id = portal_id; 1150255570Strasz 1151264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) 1152261765Strasz log_err(1, "error issuing CTL_ISCSI ioctl"); 1153261765Strasz 1154261765Strasz if (req.status != CTL_ISCSI_OK) { 1155261765Strasz log_errx(1, "error returned from CTL iSCSI listen: %s", 1156261765Strasz req.error_str); 1157261765Strasz } 1158255570Strasz} 1159255570Strasz 1160264526Straszvoid 1161264530Straszkernel_accept(int *connection_id, int *portal_id, 1162264530Strasz struct sockaddr *client_sa, socklen_t *client_salen) 1163255570Strasz{ 1164255570Strasz struct ctl_iscsi req; 1165264530Strasz struct sockaddr_storage ss; 1166255570Strasz 1167255570Strasz bzero(&req, sizeof(req)); 1168255570Strasz 1169255570Strasz req.type = CTL_ISCSI_ACCEPT; 1170264530Strasz req.data.accept.initiator_addr = (struct sockaddr *)&ss; 1171255570Strasz 1172264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) 1173264526Strasz log_err(1, "error issuing CTL_ISCSI ioctl"); 1174255570Strasz 1175261765Strasz if (req.status != CTL_ISCSI_OK) { 1176264526Strasz log_errx(1, "error returned from CTL iSCSI accept: %s", 1177261765Strasz req.error_str); 1178261765Strasz } 1179261765Strasz 1180264526Strasz *connection_id = req.data.accept.connection_id; 1181264526Strasz *portal_id = req.data.accept.portal_id; 1182264530Strasz *client_salen = req.data.accept.initiator_addrlen; 1183264530Strasz memcpy(client_sa, &ss, *client_salen); 1184255570Strasz} 1185255570Strasz 1186255570Straszvoid 1187255570Straszkernel_send(struct pdu *pdu) 1188255570Strasz{ 1189255570Strasz struct ctl_iscsi req; 1190255570Strasz 1191255570Strasz bzero(&req, sizeof(req)); 1192255570Strasz 1193255570Strasz req.type = CTL_ISCSI_SEND; 1194255570Strasz req.data.send.connection_id = pdu->pdu_connection->conn_socket; 1195255570Strasz req.data.send.bhs = pdu->pdu_bhs; 1196255570Strasz req.data.send.data_segment_len = pdu->pdu_data_len; 1197255570Strasz req.data.send.data_segment = pdu->pdu_data; 1198255570Strasz 1199261765Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 1200255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 1201255570Strasz "dropping connection"); 1202261765Strasz } 1203255570Strasz 1204261765Strasz if (req.status != CTL_ISCSI_OK) { 1205255570Strasz log_errx(1, "error returned from CTL iSCSI send: " 1206255570Strasz "%s; dropping connection", req.error_str); 1207261765Strasz } 1208255570Strasz} 1209255570Strasz 1210255570Straszvoid 1211255570Straszkernel_receive(struct pdu *pdu) 1212255570Strasz{ 1213255570Strasz struct ctl_iscsi req; 1214255570Strasz 1215255570Strasz pdu->pdu_data = malloc(MAX_DATA_SEGMENT_LENGTH); 1216255570Strasz if (pdu->pdu_data == NULL) 1217255570Strasz log_err(1, "malloc"); 1218255570Strasz 1219255570Strasz bzero(&req, sizeof(req)); 1220255570Strasz 1221255570Strasz req.type = CTL_ISCSI_RECEIVE; 1222255570Strasz req.data.receive.connection_id = pdu->pdu_connection->conn_socket; 1223255570Strasz req.data.receive.bhs = pdu->pdu_bhs; 1224255570Strasz req.data.receive.data_segment_len = MAX_DATA_SEGMENT_LENGTH; 1225255570Strasz req.data.receive.data_segment = pdu->pdu_data; 1226255570Strasz 1227261765Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 1228255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 1229255570Strasz "dropping connection"); 1230261765Strasz } 1231255570Strasz 1232261765Strasz if (req.status != CTL_ISCSI_OK) { 1233255570Strasz log_errx(1, "error returned from CTL iSCSI receive: " 1234255570Strasz "%s; dropping connection", req.error_str); 1235261765Strasz } 1236255570Strasz 1237255570Strasz} 1238255570Strasz 1239255570Strasz#endif /* ICL_KERNEL_PROXY */ 1240255570Strasz 1241255570Strasz/* 1242255570Strasz * XXX: I CANT INTO LATIN 1243255570Strasz */ 1244255570Straszvoid 1245255570Straszkernel_capsicate(void) 1246255570Strasz{ 1247255570Strasz int error; 1248255570Strasz cap_rights_t rights; 1249255570Strasz const unsigned long cmds[] = { CTL_ISCSI }; 1250255570Strasz 1251255570Strasz cap_rights_init(&rights, CAP_IOCTL); 1252255570Strasz error = cap_rights_limit(ctl_fd, &rights); 1253255570Strasz if (error != 0 && errno != ENOSYS) 1254255570Strasz log_err(1, "cap_rights_limit"); 1255255570Strasz 1256255570Strasz error = cap_ioctls_limit(ctl_fd, cmds, 1257255570Strasz sizeof(cmds) / sizeof(cmds[0])); 1258255570Strasz if (error != 0 && errno != ENOSYS) 1259255570Strasz log_err(1, "cap_ioctls_limit"); 1260255570Strasz 1261255570Strasz error = cap_enter(); 1262255570Strasz if (error != 0 && errno != ENOSYS) 1263255570Strasz log_err(1, "cap_enter"); 1264255570Strasz 1265255570Strasz if (cap_sandboxed()) 1266255570Strasz log_debugx("Capsicum capability mode enabled"); 1267255570Strasz else 1268255570Strasz log_warnx("Capsicum capability mode not supported"); 1269255570Strasz} 1270255570Strasz 1271