kernel.c revision 290824
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 290824 2015-11-14 16:18:22Z 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); 519290824Strasz if (port->pp == 0 && port->vp == 0) { 520284765Smav name = checked_strdup(port->port_name); 521290824Strasz } else if (port->vp == 0) { 522290824Strasz retval = asprintf(&name, "%s/%d", 523290824Strasz port->port_name, port->pp); 524290824Strasz if (retval <= 0) 525290824Strasz log_err(1, "asprintf"); 526290824Strasz } else { 527290824Strasz retval = asprintf(&name, "%s/%d/%d", 528290824Strasz port->port_name, port->pp, port->vp); 529290824Strasz if (retval <= 0) 530290824Strasz log_err(1, "asprintf"); 531290824Strasz } 532268291Smav 533268291Smav if (port->cfiscsi_target == NULL) { 534278354Smav log_debugx("CTL port %u \"%s\" wasn't managed by ctld; ", 535284765Smav port->port_id, name); 536284765Smav pp = pport_find(conf, name); 537278354Smav if (pp == NULL) { 538278354Smav#if 0 539278354Smav log_debugx("found new kernel port %u \"%s\"", 540284765Smav port->port_id, name); 541278354Smav#endif 542284765Smav pp = pport_new(conf, name, port->port_id); 543278354Smav if (pp == NULL) { 544278354Smav log_warnx("pport_new failed"); 545278354Smav continue; 546278354Smav } 547278354Smav } 548268291Smav continue; 549268291Smav } 550278322Smav if (port->cfiscsi_state != 1) { 551268328Smav log_debugx("CTL port %ju is not active (%d); ignoring", 552278322Smav (uintmax_t)port->port_id, port->cfiscsi_state); 553268328Smav continue; 554268328Smav } 555268291Smav 556268291Smav targ = target_find(conf, port->cfiscsi_target); 557268291Smav if (targ == NULL) { 558268291Smav#if 0 559268291Smav log_debugx("found new kernel target %s for CTL port %ld", 560268291Smav port->cfiscsi_target, port->port_id); 561268291Smav#endif 562268291Smav targ = target_new(conf, port->cfiscsi_target); 563268291Smav if (targ == NULL) { 564268291Smav log_warnx("target_new failed"); 565268291Smav continue; 566268291Smav } 567268291Smav } 568278322Smav 569278322Smav if (port->ctld_portal_group_name == NULL) 570278322Smav continue; 571278322Smav pg = portal_group_find(conf, port->ctld_portal_group_name); 572278322Smav if (pg == NULL) { 573278322Smav#if 0 574278322Smav log_debugx("found new kernel portal group %s for CTL port %ld", 575278322Smav port->ctld_portal_group_name, port->port_id); 576278322Smav#endif 577278322Smav pg = portal_group_new(conf, port->ctld_portal_group_name); 578278322Smav if (pg == NULL) { 579278322Smav log_warnx("portal_group_new failed"); 580278322Smav continue; 581278322Smav } 582278322Smav } 583278322Smav pg->pg_tag = port->cfiscsi_portal_group_tag; 584278322Smav cp = port_new(conf, targ, pg); 585278322Smav if (cp == NULL) { 586278322Smav log_warnx("port_new failed"); 587278322Smav continue; 588278322Smav } 589278322Smav cp->p_ctl_port = port->port_id; 590268291Smav } 591290821Strasz free(name); 592268291Smav 593255570Strasz STAILQ_FOREACH(lun, &devlist.lun_list, links) { 594255570Strasz struct cctl_lun_nv *nv; 595255570Strasz 596278037Smav if (lun->ctld_name == NULL) { 597255570Strasz log_debugx("CTL lun %ju wasn't managed by ctld; " 598255570Strasz "ignoring", (uintmax_t)lun->lun_id); 599255570Strasz continue; 600255570Strasz } 601255570Strasz 602278037Smav cl = lun_find(conf, lun->ctld_name); 603255570Strasz if (cl != NULL) { 604278037Smav log_warnx("found CTL lun %ju \"%s\", " 605278037Smav "also backed by CTL lun %d; ignoring", 606278037Smav (uintmax_t)lun->lun_id, lun->ctld_name, 607278037Smav cl->l_ctl_lun); 608255570Strasz continue; 609255570Strasz } 610255570Strasz 611278037Smav log_debugx("found CTL lun %ju \"%s\"", 612278037Smav (uintmax_t)lun->lun_id, lun->ctld_name); 613255570Strasz 614278037Smav cl = lun_new(conf, lun->ctld_name); 615255570Strasz if (cl == NULL) { 616255570Strasz log_warnx("lun_new failed"); 617255570Strasz continue; 618255570Strasz } 619255570Strasz lun_set_backend(cl, lun->backend_type); 620288310Smav lun_set_device_type(cl, lun->device_type); 621255570Strasz lun_set_blocksize(cl, lun->blocksize); 622255570Strasz lun_set_device_id(cl, lun->device_id); 623255570Strasz lun_set_serial(cl, lun->serial_number); 624255570Strasz lun_set_size(cl, lun->size_blocks * cl->l_blocksize); 625255570Strasz lun_set_ctl_lun(cl, lun->lun_id); 626255570Strasz 627255570Strasz STAILQ_FOREACH(nv, &lun->attr_list, links) { 628255570Strasz if (strcmp(nv->name, "file") == 0 || 629255570Strasz strcmp(nv->name, "dev") == 0) { 630255570Strasz lun_set_path(cl, nv->value); 631255570Strasz continue; 632255570Strasz } 633290615Smav o = option_new(&cl->l_options, nv->name, nv->value); 634290615Smav if (o == NULL) 635255570Strasz log_warnx("unable to add CTL lun option %s " 636278037Smav "for CTL lun %ju \"%s\"", 637255570Strasz nv->name, (uintmax_t) lun->lun_id, 638278037Smav cl->l_name); 639255570Strasz } 640255570Strasz } 641255570Strasz 642255570Strasz return (conf); 643255570Strasz} 644255570Strasz 645268291Smavstatic void 646268291Smavstr_arg(struct ctl_be_arg *arg, const char *name, const char *value) 647268291Smav{ 648268291Smav 649268291Smav arg->namelen = strlen(name) + 1; 650268291Smav arg->name = __DECONST(char *, name); 651268291Smav arg->vallen = strlen(value) + 1; 652268291Smav arg->value = __DECONST(char *, value); 653268291Smav arg->flags = CTL_BEARG_ASCII | CTL_BEARG_RD; 654268291Smav} 655268291Smav 656255570Straszint 657255570Straszkernel_lun_add(struct lun *lun) 658255570Strasz{ 659290615Smav struct option *o; 660255570Strasz struct ctl_lun_req req; 661255570Strasz int error, i, num_options; 662255570Strasz 663255570Strasz bzero(&req, sizeof(req)); 664255570Strasz 665255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 666255570Strasz req.reqtype = CTL_LUNREQ_CREATE; 667255570Strasz 668255570Strasz req.reqdata.create.blocksize_bytes = lun->l_blocksize; 669255570Strasz 670255570Strasz if (lun->l_size != 0) 671255570Strasz req.reqdata.create.lun_size_bytes = lun->l_size; 672255570Strasz 673287823Smav if (lun->l_ctl_lun >= 0) { 674287823Smav req.reqdata.create.req_lun_id = lun->l_ctl_lun; 675287823Smav req.reqdata.create.flags |= CTL_LUN_FLAG_ID_REQ; 676287823Smav } 677287823Smav 678255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_DEV_TYPE; 679288310Smav req.reqdata.create.device_type = lun->l_device_type; 680255570Strasz 681255570Strasz if (lun->l_serial != NULL) { 682267648Smav strncpy(req.reqdata.create.serial_num, lun->l_serial, 683255570Strasz sizeof(req.reqdata.create.serial_num)); 684255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_SERIAL_NUM; 685255570Strasz } 686255570Strasz 687255570Strasz if (lun->l_device_id != NULL) { 688267648Smav strncpy(req.reqdata.create.device_id, lun->l_device_id, 689255570Strasz sizeof(req.reqdata.create.device_id)); 690255570Strasz req.reqdata.create.flags |= CTL_LUN_FLAG_DEVID; 691255570Strasz } 692255570Strasz 693255570Strasz if (lun->l_path != NULL) { 694290615Smav o = option_find(&lun->l_options, "file"); 695290615Smav if (o != NULL) { 696290615Smav option_set(o, lun->l_path); 697255570Strasz } else { 698290615Smav o = option_new(&lun->l_options, "file", lun->l_path); 699290615Smav assert(o != NULL); 700255570Strasz } 701255570Strasz } 702255570Strasz 703290615Smav o = option_find(&lun->l_options, "ctld_name"); 704290615Smav if (o != NULL) { 705290615Smav option_set(o, lun->l_name); 706255570Strasz } else { 707290615Smav o = option_new(&lun->l_options, "ctld_name", lun->l_name); 708290615Smav assert(o != NULL); 709255570Strasz } 710255570Strasz 711290615Smav o = option_find(&lun->l_options, "scsiname"); 712290615Smav if (o == NULL && lun->l_scsiname != NULL) { 713290615Smav o = option_new(&lun->l_options, "scsiname", lun->l_scsiname); 714290615Smav assert(o != NULL); 715268293Smav } 716268293Smav 717255570Strasz num_options = 0; 718290615Smav TAILQ_FOREACH(o, &lun->l_options, o_next) 719255570Strasz num_options++; 720255570Strasz 721255570Strasz req.num_be_args = num_options; 722255570Strasz if (num_options > 0) { 723255570Strasz req.be_args = malloc(num_options * sizeof(*req.be_args)); 724255570Strasz if (req.be_args == NULL) { 725255570Strasz log_warn("error allocating %zd bytes", 726255570Strasz num_options * sizeof(*req.be_args)); 727255570Strasz return (1); 728255570Strasz } 729255570Strasz 730255570Strasz i = 0; 731290615Smav TAILQ_FOREACH(o, &lun->l_options, o_next) { 732290615Smav str_arg(&req.be_args[i], o->o_name, o->o_value); 733255570Strasz i++; 734255570Strasz } 735255570Strasz assert(i == num_options); 736255570Strasz } 737255570Strasz 738255570Strasz error = ioctl(ctl_fd, CTL_LUN_REQ, &req); 739255570Strasz free(req.be_args); 740255570Strasz if (error != 0) { 741255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 742255570Strasz return (1); 743255570Strasz } 744255570Strasz 745272911Smav switch (req.status) { 746272911Smav case CTL_LUN_ERROR: 747272911Smav log_warnx("LUN creation error: %s", req.error_str); 748255570Strasz return (1); 749272911Smav case CTL_LUN_WARNING: 750272911Smav log_warnx("LUN creation warning: %s", req.error_str); 751272911Smav break; 752272911Smav case CTL_LUN_OK: 753272911Smav break; 754272911Smav default: 755272911Smav log_warnx("unknown LUN creation status: %d", 756255570Strasz req.status); 757255570Strasz return (1); 758255570Strasz } 759255570Strasz 760255570Strasz lun_set_ctl_lun(lun, req.reqdata.create.req_lun_id); 761255570Strasz return (0); 762255570Strasz} 763255570Strasz 764255570Straszint 765287500Smavkernel_lun_modify(struct lun *lun) 766255570Strasz{ 767290615Smav struct option *o; 768255570Strasz struct ctl_lun_req req; 769287500Smav int error, i, num_options; 770255570Strasz 771255570Strasz bzero(&req, sizeof(req)); 772255570Strasz 773255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 774255570Strasz req.reqtype = CTL_LUNREQ_MODIFY; 775255570Strasz 776255570Strasz req.reqdata.modify.lun_id = lun->l_ctl_lun; 777255570Strasz req.reqdata.modify.lun_size_bytes = lun->l_size; 778255570Strasz 779287500Smav num_options = 0; 780290615Smav TAILQ_FOREACH(o, &lun->l_options, o_next) 781287500Smav num_options++; 782287500Smav 783287500Smav req.num_be_args = num_options; 784287500Smav if (num_options > 0) { 785287500Smav req.be_args = malloc(num_options * sizeof(*req.be_args)); 786287500Smav if (req.be_args == NULL) { 787287500Smav log_warn("error allocating %zd bytes", 788287500Smav num_options * sizeof(*req.be_args)); 789287500Smav return (1); 790287500Smav } 791287500Smav 792287500Smav i = 0; 793290615Smav TAILQ_FOREACH(o, &lun->l_options, o_next) { 794290615Smav str_arg(&req.be_args[i], o->o_name, o->o_value); 795287500Smav i++; 796287500Smav } 797287500Smav assert(i == num_options); 798287500Smav } 799287500Smav 800287500Smav error = ioctl(ctl_fd, CTL_LUN_REQ, &req); 801287500Smav free(req.be_args); 802287500Smav if (error != 0) { 803255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 804255570Strasz return (1); 805255570Strasz } 806255570Strasz 807272911Smav switch (req.status) { 808272911Smav case CTL_LUN_ERROR: 809272911Smav log_warnx("LUN modification error: %s", req.error_str); 810255570Strasz return (1); 811272911Smav case CTL_LUN_WARNING: 812272911Smav log_warnx("LUN modification warning: %s", req.error_str); 813272911Smav break; 814272911Smav case CTL_LUN_OK: 815272911Smav break; 816272911Smav default: 817272911Smav log_warnx("unknown LUN modification status: %d", 818255570Strasz req.status); 819255570Strasz return (1); 820255570Strasz } 821255570Strasz 822255570Strasz return (0); 823255570Strasz} 824255570Strasz 825255570Straszint 826255570Straszkernel_lun_remove(struct lun *lun) 827255570Strasz{ 828255570Strasz struct ctl_lun_req req; 829255570Strasz 830255570Strasz bzero(&req, sizeof(req)); 831255570Strasz 832255570Strasz strlcpy(req.backend, lun->l_backend, sizeof(req.backend)); 833255570Strasz req.reqtype = CTL_LUNREQ_RM; 834255570Strasz 835255570Strasz req.reqdata.rm.lun_id = lun->l_ctl_lun; 836255570Strasz 837255570Strasz if (ioctl(ctl_fd, CTL_LUN_REQ, &req) == -1) { 838255570Strasz log_warn("error issuing CTL_LUN_REQ ioctl"); 839255570Strasz return (1); 840255570Strasz } 841255570Strasz 842272911Smav switch (req.status) { 843272911Smav case CTL_LUN_ERROR: 844272911Smav log_warnx("LUN removal error: %s", req.error_str); 845255570Strasz return (1); 846272911Smav case CTL_LUN_WARNING: 847272911Smav log_warnx("LUN removal warning: %s", req.error_str); 848272911Smav break; 849272911Smav case CTL_LUN_OK: 850272911Smav break; 851272911Smav default: 852272911Smav log_warnx("unknown LUN removal status: %d", req.status); 853255570Strasz return (1); 854255570Strasz } 855255570Strasz 856255570Strasz return (0); 857255570Strasz} 858255570Strasz 859255570Straszvoid 860255570Straszkernel_handoff(struct connection *conn) 861255570Strasz{ 862255570Strasz struct ctl_iscsi req; 863255570Strasz 864255570Strasz bzero(&req, sizeof(req)); 865255570Strasz 866255570Strasz req.type = CTL_ISCSI_HANDOFF; 867255570Strasz strlcpy(req.data.handoff.initiator_name, 868255570Strasz conn->conn_initiator_name, sizeof(req.data.handoff.initiator_name)); 869255570Strasz strlcpy(req.data.handoff.initiator_addr, 870255570Strasz conn->conn_initiator_addr, sizeof(req.data.handoff.initiator_addr)); 871255570Strasz if (conn->conn_initiator_alias != NULL) { 872255570Strasz strlcpy(req.data.handoff.initiator_alias, 873255570Strasz conn->conn_initiator_alias, sizeof(req.data.handoff.initiator_alias)); 874255570Strasz } 875268302Smav memcpy(req.data.handoff.initiator_isid, conn->conn_initiator_isid, 876268302Smav sizeof(req.data.handoff.initiator_isid)); 877255570Strasz strlcpy(req.data.handoff.target_name, 878261757Strasz conn->conn_target->t_name, sizeof(req.data.handoff.target_name)); 879279392Strasz if (conn->conn_portal->p_portal_group->pg_offload != NULL) { 880278331Strasz strlcpy(req.data.handoff.offload, 881279392Strasz conn->conn_portal->p_portal_group->pg_offload, 882279392Strasz sizeof(req.data.handoff.offload)); 883278331Strasz } 884264524Strasz#ifdef ICL_KERNEL_PROXY 885264524Strasz if (proxy_mode) 886264524Strasz req.data.handoff.connection_id = conn->conn_socket; 887264524Strasz else 888264524Strasz req.data.handoff.socket = conn->conn_socket; 889264524Strasz#else 890255570Strasz req.data.handoff.socket = conn->conn_socket; 891264524Strasz#endif 892255570Strasz req.data.handoff.portal_group_tag = 893255570Strasz conn->conn_portal->p_portal_group->pg_tag; 894255570Strasz if (conn->conn_header_digest == CONN_DIGEST_CRC32C) 895255570Strasz req.data.handoff.header_digest = CTL_ISCSI_DIGEST_CRC32C; 896255570Strasz if (conn->conn_data_digest == CONN_DIGEST_CRC32C) 897255570Strasz req.data.handoff.data_digest = CTL_ISCSI_DIGEST_CRC32C; 898255570Strasz req.data.handoff.cmdsn = conn->conn_cmdsn; 899255570Strasz req.data.handoff.statsn = conn->conn_statsn; 900255570Strasz req.data.handoff.max_recv_data_segment_length = 901255570Strasz conn->conn_max_data_segment_length; 902255570Strasz req.data.handoff.max_burst_length = conn->conn_max_burst_length; 903255570Strasz req.data.handoff.immediate_data = conn->conn_immediate_data; 904255570Strasz 905264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 906255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 907255570Strasz "dropping connection"); 908264526Strasz } 909255570Strasz 910264526Strasz if (req.status != CTL_ISCSI_OK) { 911255570Strasz log_errx(1, "error returned from CTL iSCSI handoff request: " 912255570Strasz "%s; dropping connection", req.error_str); 913264526Strasz } 914255570Strasz} 915255570Strasz 916278331Straszvoid 917278331Straszkernel_limits(const char *offload, size_t *max_data_segment_length) 918278331Strasz{ 919278331Strasz struct ctl_iscsi req; 920278331Strasz 921278331Strasz bzero(&req, sizeof(req)); 922278331Strasz 923278331Strasz req.type = CTL_ISCSI_LIMITS; 924278331Strasz if (offload != NULL) { 925278331Strasz strlcpy(req.data.limits.offload, offload, 926278331Strasz sizeof(req.data.limits.offload)); 927278331Strasz } 928278331Strasz 929278331Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 930278331Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 931278331Strasz "dropping connection"); 932278331Strasz } 933278331Strasz 934278331Strasz if (req.status != CTL_ISCSI_OK) { 935278331Strasz log_errx(1, "error returned from CTL iSCSI limits request: " 936278331Strasz "%s; dropping connection", req.error_str); 937278331Strasz } 938278331Strasz 939278331Strasz *max_data_segment_length = req.data.limits.data_segment_limit; 940278331Strasz if (offload != NULL) { 941278331Strasz log_debugx("MaxRecvDataSegment kernel limit for offload " 942278331Strasz "\"%s\" is %zd", offload, *max_data_segment_length); 943278331Strasz } else { 944278331Strasz log_debugx("MaxRecvDataSegment kernel limit is %zd", 945278331Strasz *max_data_segment_length); 946278331Strasz } 947278331Strasz} 948278331Strasz 949255570Straszint 950278322Smavkernel_port_add(struct port *port) 951255570Strasz{ 952290615Smav struct option *o; 953255570Strasz struct ctl_port_entry entry; 954268291Smav struct ctl_req req; 955278037Smav struct ctl_lun_map lm; 956278322Smav struct target *targ = port->p_target; 957278322Smav struct portal_group *pg = port->p_portal_group; 958268291Smav char tagstr[16]; 959278322Smav int error, i, n; 960255570Strasz 961278037Smav /* Create iSCSI port. */ 962278354Smav if (port->p_portal_group) { 963278354Smav bzero(&req, sizeof(req)); 964278354Smav strlcpy(req.driver, "iscsi", sizeof(req.driver)); 965278354Smav req.reqtype = CTL_REQ_CREATE; 966279276Smav req.num_args = 5; 967290615Smav TAILQ_FOREACH(o, &pg->pg_options, o_next) 968290615Smav req.num_args++; 969278354Smav req.args = malloc(req.num_args * sizeof(*req.args)); 970279276Smav if (req.args == NULL) 971279276Smav log_err(1, "malloc"); 972278354Smav n = 0; 973278354Smav req.args[n].namelen = sizeof("port_id"); 974278354Smav req.args[n].name = __DECONST(char *, "port_id"); 975278354Smav req.args[n].vallen = sizeof(port->p_ctl_port); 976278354Smav req.args[n].value = &port->p_ctl_port; 977278354Smav req.args[n++].flags = CTL_BEARG_WR; 978278354Smav str_arg(&req.args[n++], "cfiscsi_target", targ->t_name); 979278354Smav snprintf(tagstr, sizeof(tagstr), "%d", pg->pg_tag); 980278354Smav str_arg(&req.args[n++], "cfiscsi_portal_group_tag", tagstr); 981278354Smav if (targ->t_alias) 982278354Smav str_arg(&req.args[n++], "cfiscsi_target_alias", targ->t_alias); 983278354Smav str_arg(&req.args[n++], "ctld_portal_group_name", pg->pg_name); 984290615Smav TAILQ_FOREACH(o, &pg->pg_options, o_next) 985290615Smav str_arg(&req.args[n++], o->o_name, o->o_value); 986278354Smav req.num_args = n; 987278354Smav error = ioctl(ctl_fd, CTL_PORT_REQ, &req); 988278354Smav free(req.args); 989278354Smav if (error != 0) { 990278354Smav log_warn("error issuing CTL_PORT_REQ ioctl"); 991278354Smav return (1); 992278354Smav } 993278354Smav if (req.status == CTL_LUN_ERROR) { 994278354Smav log_warnx("error returned from port creation request: %s", 995278354Smav req.error_str); 996278354Smav return (1); 997278354Smav } 998278354Smav if (req.status != CTL_LUN_OK) { 999278354Smav log_warnx("unknown port creation request status %d", 1000278354Smav req.status); 1001278354Smav return (1); 1002278354Smav } 1003279590Smav } else if (port->p_pport) { 1004278354Smav port->p_ctl_port = port->p_pport->pp_ctl_port; 1005268291Smav 1006279590Smav if (strncmp(targ->t_name, "naa.", 4) == 0 && 1007279590Smav strlen(targ->t_name) == 20) { 1008279590Smav bzero(&entry, sizeof(entry)); 1009279590Smav entry.port_type = CTL_PORT_NONE; 1010279590Smav entry.targ_port = port->p_ctl_port; 1011279590Smav entry.flags |= CTL_PORT_WWNN_VALID; 1012279590Smav entry.wwnn = strtoull(targ->t_name + 4, NULL, 16); 1013279590Smav if (ioctl(ctl_fd, CTL_SET_PORT_WWNS, &entry) == -1) 1014279590Smav log_warn("CTL_SET_PORT_WWNS ioctl failed"); 1015279590Smav } 1016279590Smav } 1017279590Smav 1018278037Smav /* Explicitly enable mapping to block any access except allowed. */ 1019278322Smav lm.port = port->p_ctl_port; 1020278037Smav lm.plun = UINT32_MAX; 1021278037Smav lm.lun = 0; 1022278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1023278037Smav if (error != 0) 1024278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 1025278037Smav 1026278037Smav /* Map configured LUNs */ 1027278037Smav for (i = 0; i < MAX_LUNS; i++) { 1028278037Smav if (targ->t_luns[i] == NULL) 1029278037Smav continue; 1030278322Smav lm.port = port->p_ctl_port; 1031278037Smav lm.plun = i; 1032278037Smav lm.lun = targ->t_luns[i]->l_ctl_lun; 1033278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1034278037Smav if (error != 0) 1035278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 1036278037Smav } 1037278037Smav 1038278037Smav /* Enable port */ 1039255678Strasz bzero(&entry, sizeof(entry)); 1040278322Smav entry.targ_port = port->p_ctl_port; 1041255570Strasz error = ioctl(ctl_fd, CTL_ENABLE_PORT, &entry); 1042255570Strasz if (error != 0) { 1043255570Strasz log_warn("CTL_ENABLE_PORT ioctl failed"); 1044255570Strasz return (-1); 1045255570Strasz } 1046255570Strasz 1047255570Strasz return (0); 1048255570Strasz} 1049255570Strasz 1050255570Straszint 1051287757Smavkernel_port_update(struct port *port, struct port *oport) 1052278037Smav{ 1053278037Smav struct ctl_lun_map lm; 1054278322Smav struct target *targ = port->p_target; 1055287757Smav struct target *otarg = oport->p_target; 1056278037Smav int error, i; 1057287757Smav uint32_t olun; 1058278037Smav 1059278037Smav /* Map configured LUNs and unmap others */ 1060278037Smav for (i = 0; i < MAX_LUNS; i++) { 1061278322Smav lm.port = port->p_ctl_port; 1062278037Smav lm.plun = i; 1063278037Smav if (targ->t_luns[i] == NULL) 1064278037Smav lm.lun = UINT32_MAX; 1065278037Smav else 1066278037Smav lm.lun = targ->t_luns[i]->l_ctl_lun; 1067287757Smav if (otarg->t_luns[i] == NULL) 1068287757Smav olun = UINT32_MAX; 1069287757Smav else 1070287757Smav olun = otarg->t_luns[i]->l_ctl_lun; 1071287757Smav if (lm.lun == olun) 1072287757Smav continue; 1073278037Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1074278037Smav if (error != 0) 1075278037Smav log_warn("CTL_LUN_MAP ioctl failed"); 1076278037Smav } 1077278037Smav return (0); 1078278037Smav} 1079278037Smav 1080278037Smavint 1081278322Smavkernel_port_remove(struct port *port) 1082255570Strasz{ 1083278354Smav struct ctl_port_entry entry; 1084278354Smav struct ctl_lun_map lm; 1085268291Smav struct ctl_req req; 1086268291Smav char tagstr[16]; 1087278322Smav struct target *targ = port->p_target; 1088278322Smav struct portal_group *pg = port->p_portal_group; 1089255570Strasz int error; 1090255570Strasz 1091278354Smav /* Disable port */ 1092278354Smav bzero(&entry, sizeof(entry)); 1093278354Smav entry.targ_port = port->p_ctl_port; 1094278354Smav error = ioctl(ctl_fd, CTL_DISABLE_PORT, &entry); 1095255570Strasz if (error != 0) { 1096278354Smav log_warn("CTL_DISABLE_PORT ioctl failed"); 1097278354Smav return (-1); 1098255570Strasz } 1099255570Strasz 1100278354Smav /* Remove iSCSI port. */ 1101278354Smav if (port->p_portal_group) { 1102278354Smav bzero(&req, sizeof(req)); 1103278354Smav strlcpy(req.driver, "iscsi", sizeof(req.driver)); 1104278354Smav req.reqtype = CTL_REQ_REMOVE; 1105278354Smav req.num_args = 2; 1106278354Smav req.args = malloc(req.num_args * sizeof(*req.args)); 1107279276Smav if (req.args == NULL) 1108279276Smav log_err(1, "malloc"); 1109278354Smav str_arg(&req.args[0], "cfiscsi_target", targ->t_name); 1110278354Smav snprintf(tagstr, sizeof(tagstr), "%d", pg->pg_tag); 1111278354Smav str_arg(&req.args[1], "cfiscsi_portal_group_tag", tagstr); 1112278354Smav error = ioctl(ctl_fd, CTL_PORT_REQ, &req); 1113278354Smav free(req.args); 1114278354Smav if (error != 0) { 1115278354Smav log_warn("error issuing CTL_PORT_REQ ioctl"); 1116278354Smav return (1); 1117278354Smav } 1118278354Smav if (req.status == CTL_LUN_ERROR) { 1119278354Smav log_warnx("error returned from port removal request: %s", 1120278354Smav req.error_str); 1121278354Smav return (1); 1122278354Smav } 1123278354Smav if (req.status != CTL_LUN_OK) { 1124278354Smav log_warnx("unknown port removal request status %d", 1125278354Smav req.status); 1126278354Smav return (1); 1127278354Smav } 1128278354Smav } else { 1129278354Smav /* Disable LUN mapping. */ 1130278354Smav lm.port = port->p_ctl_port; 1131278354Smav lm.plun = UINT32_MAX; 1132278354Smav lm.lun = UINT32_MAX; 1133278354Smav error = ioctl(ctl_fd, CTL_LUN_MAP, &lm); 1134278354Smav if (error != 0) 1135278354Smav log_warn("CTL_LUN_MAP ioctl failed"); 1136268291Smav } 1137255570Strasz return (0); 1138255570Strasz} 1139255570Strasz 1140255570Strasz#ifdef ICL_KERNEL_PROXY 1141255570Straszvoid 1142264526Straszkernel_listen(struct addrinfo *ai, bool iser, int portal_id) 1143255570Strasz{ 1144255570Strasz struct ctl_iscsi req; 1145255570Strasz 1146255570Strasz bzero(&req, sizeof(req)); 1147255570Strasz 1148255570Strasz req.type = CTL_ISCSI_LISTEN; 1149255570Strasz req.data.listen.iser = iser; 1150255570Strasz req.data.listen.domain = ai->ai_family; 1151255570Strasz req.data.listen.socktype = ai->ai_socktype; 1152255570Strasz req.data.listen.protocol = ai->ai_protocol; 1153255570Strasz req.data.listen.addr = ai->ai_addr; 1154255570Strasz req.data.listen.addrlen = ai->ai_addrlen; 1155264526Strasz req.data.listen.portal_id = portal_id; 1156255570Strasz 1157264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) 1158261765Strasz log_err(1, "error issuing CTL_ISCSI ioctl"); 1159261765Strasz 1160261765Strasz if (req.status != CTL_ISCSI_OK) { 1161261765Strasz log_errx(1, "error returned from CTL iSCSI listen: %s", 1162261765Strasz req.error_str); 1163261765Strasz } 1164255570Strasz} 1165255570Strasz 1166264526Straszvoid 1167264530Straszkernel_accept(int *connection_id, int *portal_id, 1168264530Strasz struct sockaddr *client_sa, socklen_t *client_salen) 1169255570Strasz{ 1170255570Strasz struct ctl_iscsi req; 1171264530Strasz struct sockaddr_storage ss; 1172255570Strasz 1173255570Strasz bzero(&req, sizeof(req)); 1174255570Strasz 1175255570Strasz req.type = CTL_ISCSI_ACCEPT; 1176264530Strasz req.data.accept.initiator_addr = (struct sockaddr *)&ss; 1177255570Strasz 1178264526Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) 1179264526Strasz log_err(1, "error issuing CTL_ISCSI ioctl"); 1180255570Strasz 1181261765Strasz if (req.status != CTL_ISCSI_OK) { 1182264526Strasz log_errx(1, "error returned from CTL iSCSI accept: %s", 1183261765Strasz req.error_str); 1184261765Strasz } 1185261765Strasz 1186264526Strasz *connection_id = req.data.accept.connection_id; 1187264526Strasz *portal_id = req.data.accept.portal_id; 1188264530Strasz *client_salen = req.data.accept.initiator_addrlen; 1189264530Strasz memcpy(client_sa, &ss, *client_salen); 1190255570Strasz} 1191255570Strasz 1192255570Straszvoid 1193255570Straszkernel_send(struct pdu *pdu) 1194255570Strasz{ 1195255570Strasz struct ctl_iscsi req; 1196255570Strasz 1197255570Strasz bzero(&req, sizeof(req)); 1198255570Strasz 1199255570Strasz req.type = CTL_ISCSI_SEND; 1200255570Strasz req.data.send.connection_id = pdu->pdu_connection->conn_socket; 1201255570Strasz req.data.send.bhs = pdu->pdu_bhs; 1202255570Strasz req.data.send.data_segment_len = pdu->pdu_data_len; 1203255570Strasz req.data.send.data_segment = pdu->pdu_data; 1204255570Strasz 1205261765Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 1206255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 1207255570Strasz "dropping connection"); 1208261765Strasz } 1209255570Strasz 1210261765Strasz if (req.status != CTL_ISCSI_OK) { 1211255570Strasz log_errx(1, "error returned from CTL iSCSI send: " 1212255570Strasz "%s; dropping connection", req.error_str); 1213261765Strasz } 1214255570Strasz} 1215255570Strasz 1216255570Straszvoid 1217255570Straszkernel_receive(struct pdu *pdu) 1218255570Strasz{ 1219255570Strasz struct ctl_iscsi req; 1220255570Strasz 1221255570Strasz pdu->pdu_data = malloc(MAX_DATA_SEGMENT_LENGTH); 1222255570Strasz if (pdu->pdu_data == NULL) 1223255570Strasz log_err(1, "malloc"); 1224255570Strasz 1225255570Strasz bzero(&req, sizeof(req)); 1226255570Strasz 1227255570Strasz req.type = CTL_ISCSI_RECEIVE; 1228255570Strasz req.data.receive.connection_id = pdu->pdu_connection->conn_socket; 1229255570Strasz req.data.receive.bhs = pdu->pdu_bhs; 1230255570Strasz req.data.receive.data_segment_len = MAX_DATA_SEGMENT_LENGTH; 1231255570Strasz req.data.receive.data_segment = pdu->pdu_data; 1232255570Strasz 1233261765Strasz if (ioctl(ctl_fd, CTL_ISCSI, &req) == -1) { 1234255570Strasz log_err(1, "error issuing CTL_ISCSI ioctl; " 1235255570Strasz "dropping connection"); 1236261765Strasz } 1237255570Strasz 1238261765Strasz if (req.status != CTL_ISCSI_OK) { 1239255570Strasz log_errx(1, "error returned from CTL iSCSI receive: " 1240255570Strasz "%s; dropping connection", req.error_str); 1241261765Strasz } 1242255570Strasz 1243255570Strasz} 1244255570Strasz 1245255570Strasz#endif /* ICL_KERNEL_PROXY */ 1246255570Strasz 1247255570Strasz/* 1248255570Strasz * XXX: I CANT INTO LATIN 1249255570Strasz */ 1250255570Straszvoid 1251255570Straszkernel_capsicate(void) 1252255570Strasz{ 1253255570Strasz int error; 1254255570Strasz cap_rights_t rights; 1255255570Strasz const unsigned long cmds[] = { CTL_ISCSI }; 1256255570Strasz 1257255570Strasz cap_rights_init(&rights, CAP_IOCTL); 1258255570Strasz error = cap_rights_limit(ctl_fd, &rights); 1259255570Strasz if (error != 0 && errno != ENOSYS) 1260255570Strasz log_err(1, "cap_rights_limit"); 1261255570Strasz 1262255570Strasz error = cap_ioctls_limit(ctl_fd, cmds, 1263255570Strasz sizeof(cmds) / sizeof(cmds[0])); 1264255570Strasz if (error != 0 && errno != ENOSYS) 1265255570Strasz log_err(1, "cap_ioctls_limit"); 1266255570Strasz 1267255570Strasz error = cap_enter(); 1268255570Strasz if (error != 0 && errno != ENOSYS) 1269255570Strasz log_err(1, "cap_enter"); 1270255570Strasz 1271255570Strasz if (cap_sandboxed()) 1272255570Strasz log_debugx("Capsicum capability mode enabled"); 1273255570Strasz else 1274255570Strasz log_warnx("Capsicum capability mode not supported"); 1275255570Strasz} 1276255570Strasz 1277