fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/thread.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/types.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/proc.h> /* declares: p0 */

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/cmn_err.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/scsi/adapters/iscsi_if.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <netinet/in.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include "iscsi_targetparam.h"

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include "isns_client.h"

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include "isns_protocol.h"

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include "persistent.h"

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include "iscsi.h"

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/ethernet.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens#include <sys/bootprops.h>

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic boolean_t iscsid_init_config(iscsi_hba_t *ihp);

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic boolean_t iscsid_init_targets(iscsi_hba_t *ihp);

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void iscsid_thread_static(iscsi_thread_t *thread, void *p);

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void iscsid_thread_sendtgts(iscsi_thread_t *thread, void *p);

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void iscsid_thread_isns(iscsi_thread_t *thread, void *p);

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void iscsid_thread_slp(iscsi_thread_t *thread, void *p);

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void iscsid_thread_boot_wd(iscsi_thread_t *thread, void *p);

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void iscsid_threads_create(iscsi_hba_t *ihp);

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void iscsid_threads_destroy(void);

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int iscsid_copyto_param_set(uint32_t param_id,

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_login_params_t *params, iscsi_param_set_t *ipsp);

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void iscsid_add_pg_list_to_cache(iscsi_hba_t *ihp,

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock isns_portal_group_list_t *pg_list);

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void iscsid_remove_target_param(char *name);

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic boolean_t iscsid_add(iscsi_hba_t *ihp, iSCSIDiscoveryMethod_t method,

fa9e4066f08beec538e775443c5be79dd423fcabahrens struct sockaddr *addr_dsc, char *target_name, int tpgt,

fa9e4066f08beec538e775443c5be79dd423fcabahrens struct sockaddr *addr_tgt);

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic void iscsi_discovery_event(iscsi_hba_t *ihp,

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethod_t m, boolean_t start);

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic boolean_t iscsid_boot_init_config(iscsi_hba_t *ihp);

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic iscsi_sess_t *iscsi_add_boot_sess(iscsi_hba_t *ihp, int isid);

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic boolean_t iscsid_make_entry(ib_boot_prop_t *boot_prop_entry,

fa9e4066f08beec538e775443c5be79dd423fcabahrens entry_t *entry);

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrockextern int modrootloaded;

fa9e4066f08beec538e775443c5be79dd423fcabahrensint iscsi_configroot_retry = 20;

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic boolean_t iscsi_configroot_printed = FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic int iscsi_net_up = 0;

fa9e4066f08beec538e775443c5be79dd423fcabahrensextern ib_boot_prop_t *iscsiboot_prop;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrenstypedef struct iscsid_thr_table {

fa9e4066f08beec538e775443c5be79dd423fcabahrens void (*func_start)(iscsi_thread_t *, void *);

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_thread_t *thr_id;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethod_t method;

fa9e4066f08beec538e775443c5be79dd423fcabahrens char *name;

fa9e4066f08beec538e775443c5be79dd423fcabahrens} iscsid_thr_table;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensstatic iscsid_thr_table iscsid_thr[] = {

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock { iscsid_thread_static, NULL,

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock iSCSIDiscoveryMethodStatic,

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock "Static" },

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock { iscsid_thread_sendtgts, NULL,

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock iSCSIDiscoveryMethodSendTargets,

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock "SendTarget" },

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock { iscsid_thread_slp, NULL,

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock iSCSIDiscoveryMethodSLP,

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock "SLP" },

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock { iscsid_thread_isns, NULL,

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock iSCSIDiscoveryMethodISNS,

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock "iSNS" },

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock { NULL, NULL,

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock iSCSIDiscoveryMethodUnknown,

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock NULL }

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock};

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock

fa9e4066f08beec538e775443c5be79dd423fcabahrensiSCSIDiscoveryMethod_t for_failure[] = {

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethodStatic,

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethodSLP,

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock iSCSIDiscoveryMethodISNS,

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethodSendTargets,

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethodUnknown /* terminating value */

fa9e4066f08beec538e775443c5be79dd423fcabahrens};

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensint iscsi_boot_max_delay = ISCSI_BOOT_DEFAULT_MAX_DELAY;

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock

fa9e4066f08beec538e775443c5be79dd423fcabahrensksema_t iscsid_config_semaphore;

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock

65cd9f2809a015b46790a9c5c2ef992d56177624eschrockstatic iscsi_thread_t *iscsi_boot_wd_handle = NULL;

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock

fa9e4066f08beec538e775443c5be79dd423fcabahrens#define CHECK_METHOD(v) ((dm & v) ? B_TRUE : B_FALSE)

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock

65cd9f2809a015b46790a9c5c2ef992d56177624eschrockstatic boolean_t

65cd9f2809a015b46790a9c5c2ef992d56177624eschrockiscsid_ip_check(char *ip)

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock{

fa9e4066f08beec538e775443c5be79dd423fcabahrens int i = 0;

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!ip)

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock return (B_FALSE);

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock for (; (ip[i] == 0) && (i < IB_IP_BUFLEN); i++) {}

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock if (i == IB_IP_BUFLEN) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* invalid IP address */

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (B_FALSE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (B_TRUE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

65cd9f2809a015b46790a9c5c2ef992d56177624eschrockstatic boolean_t

65cd9f2809a015b46790a9c5c2ef992d56177624eschrockiscsid_make_entry(ib_boot_prop_t *boot_prop_entry, entry_t *entry)

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock{

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock if (entry == NULL || boot_prop_entry == NULL) {

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock return (B_FALSE);

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock }

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock if (!iscsid_ip_check(

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock (char *)&boot_prop_entry->boot_tgt.tgt_ip_u))

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock return (B_FALSE);

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock if (boot_prop_entry->boot_tgt.sin_family != AF_INET &&

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock boot_prop_entry->boot_tgt.sin_family != AF_INET6)

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock return (B_FALSE);

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm entry->e_vers = ISCSI_INTERFACE_VERSION;

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm mutex_enter(&iscsi_oid_mutex);

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm entry->e_oid = iscsi_oid++;

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock mutex_exit(&iscsi_oid_mutex);

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock entry->e_tpgt = ISCSI_DEFAULT_TPGT;

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock if (boot_prop_entry->boot_tgt.sin_family == AF_INET) {

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock entry->e_u.u_in4.s_addr =

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock boot_prop_entry->boot_tgt.tgt_ip_u.u_in4.s_addr;

441d80aa4f613b6298fc8bd3151f4be02dbf84fclling entry->e_insize = sizeof (struct in_addr);

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock } else {

441d80aa4f613b6298fc8bd3151f4be02dbf84fclling (void) bcopy(

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock &boot_prop_entry->boot_tgt.tgt_ip_u.u_in6.s6_addr,

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock entry->e_u.u_in6.s6_addr, 16);

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock entry->e_insize = sizeof (struct in6_addr);

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock }

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock entry->e_port = boot_prop_entry->boot_tgt.tgt_port;

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock entry->e_boot = B_TRUE;

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock return (B_TRUE);

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock}

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock

65cd9f2809a015b46790a9c5c2ef992d56177624eschrockstatic void

65cd9f2809a015b46790a9c5c2ef992d56177624eschrockiscsi_boot_session_create(iscsi_hba_t *ihp,

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock ib_boot_prop_t *boot_prop_table)

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock{

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethod_t dm;

fa9e4066f08beec538e775443c5be79dd423fcabahrens entry_t e;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_sockaddr_t addr_dsc;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (ihp == NULL || boot_prop_table == NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens return;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!iscsid_ip_check(

fa9e4066f08beec538e775443c5be79dd423fcabahrens (char *)&boot_prop_table->boot_tgt.tgt_ip_u)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens return;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (boot_prop_table->boot_tgt.tgt_name != NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens dm = iSCSIDiscoveryMethodStatic |

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethodBoot;

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!iscsid_make_entry(boot_prop_table, &e))

fa9e4066f08beec538e775443c5be79dd423fcabahrens return;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsid_addr_to_sockaddr(e.e_insize, &e.e_u,

fa9e4066f08beec538e775443c5be79dd423fcabahrens e.e_port, &addr_dsc.sin);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) iscsid_add(ihp, dm, &addr_dsc.sin,

fa9e4066f08beec538e775443c5be79dd423fcabahrens (char *)boot_prop_table->boot_tgt.tgt_name,

fa9e4066f08beec538e775443c5be79dd423fcabahrens e.e_tpgt, &addr_dsc.sin);

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens dm = iSCSIDiscoveryMethodSendTargets |

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethodBoot;

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!iscsid_make_entry(boot_prop_table, &e))

fa9e4066f08beec538e775443c5be79dd423fcabahrens return;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsid_addr_to_sockaddr(e.e_insize, &e.e_u,

fa9e4066f08beec538e775443c5be79dd423fcabahrens e.e_port, &addr_dsc.sin);

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsid_do_sendtgts(&e);

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) iscsid_login_tgt(ihp, NULL, dm,

fa9e4066f08beec538e775443c5be79dd423fcabahrens &addr_dsc.sin);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensiscsid_init(iscsi_hba_t *ihp)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens boolean_t rval = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens sema_init(&iscsid_config_semaphore, 1, NULL,

fa9e4066f08beec538e775443c5be79dd423fcabahrens SEMA_DRIVER, NULL);

fa9e4066f08beec538e775443c5be79dd423fcabahrens persistent_init();

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsid_threads_create(ihp);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (modrootloaded == 1) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* normal case, load the persistent store */

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (persistent_load() == B_TRUE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens ihp->hba_persistent_loaded = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (B_FALSE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if ((modrootloaded == 0) && (iscsiboot_prop != NULL)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!iscsid_boot_init_config(ihp)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens rval = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_boot_session_create(ihp, iscsiboot_prop);

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_boot_wd_handle =

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_thread_create(ihp->hba_dip,

fa9e4066f08beec538e775443c5be79dd423fcabahrens "BootWD", iscsid_thread_boot_wd, ihp);

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock if (iscsi_boot_wd_handle) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens rval = iscsi_thread_start(

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_boot_wd_handle);

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

65cd9f2809a015b46790a9c5c2ef992d56177624eschrock rval = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (rval == B_FALSE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens cmn_err(CE_NOTE, "Initializaton of iscsi boot session"

fa9e4066f08beec538e775443c5be79dd423fcabahrens " partially failed");

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (rval);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensiscsid_start(iscsi_hba_t *ihp) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens boolean_t rval = B_FALSE;

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock iSCSIDiscoveryMethod_t dm;

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock iSCSIDiscoveryMethod_t *fdm;

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock rval = iscsid_init_config(ihp);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (rval == B_TRUE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens rval = iscsid_init_targets(ihp);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (rval == B_TRUE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens dm = persistent_disc_meth_get();

fa9e4066f08beec538e775443c5be79dd423fcabahrens rval = iscsid_enable_discovery(ihp, dm, B_TRUE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (rval == B_TRUE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsid_poke_discovery(ihp,

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethodUnknown);

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) iscsid_login_tgt(ihp, NULL,

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethodUnknown, NULL);

c67d9675bbc8392fe45f3a7dfbda1ad4daa1eb07eschrock }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (rval == B_FALSE) {

afefbcddfd8caf5f3b2da510d9439471ab225040eschrock /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens for (fdm = &for_failure[0]; *fdm !=

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethodUnknown; fdm++) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* ---- Send both start and end events ---- */

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_discovery_event(ihp, *fdm, B_TRUE);

afefbcddfd8caf5f3b2da510d9439471ab225040eschrock iscsi_discovery_event(ihp, *fdm, B_FALSE);

c67d9675bbc8392fe45f3a7dfbda1ad4daa1eb07eschrock }

c67d9675bbc8392fe45f3a7dfbda1ad4daa1eb07eschrock }

afefbcddfd8caf5f3b2da510d9439471ab225040eschrock

afefbcddfd8caf5f3b2da510d9439471ab225040eschrock return (rval);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensiscsid_stop(iscsi_hba_t *ihp) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens boolean_t rval = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (iscsid_disable_discovery(ihp,

fa9e4066f08beec538e775443c5be79dd423fcabahrens ISCSI_ALL_DISCOVERY_METHODS) == B_FALSE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) iscsid_enable_discovery(ihp,

fa9e4066f08beec538e775443c5be79dd423fcabahrens ISCSI_ALL_DISCOVERY_METHODS, B_TRUE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (rval);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* final check */

fa9e4066f08beec538e775443c5be79dd423fcabahrens rw_enter(&ihp->hba_sess_list_rwlock, RW_READER);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (ihp->hba_sess_list == NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens rval = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens rw_exit(&ihp->hba_sess_list_rwlock);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (rval == B_FALSE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) iscsid_enable_discovery(ihp,

fa9e4066f08beec538e775443c5be79dd423fcabahrens ISCSI_ALL_DISCOVERY_METHODS, B_TRUE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (rval);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (rval);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensiscsid_fini()

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (iscsi_boot_wd_handle != NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_thread_destroy(iscsi_boot_wd_handle);

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_boot_wd_handle = NULL;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsid_threads_destroy();

fa9e4066f08beec538e775443c5be79dd423fcabahrens persistent_fini();

fa9e4066f08beec538e775443c5be79dd423fcabahrens sema_destroy(&iscsid_config_semaphore);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensiscsid_props(iSCSIDiscoveryProperties_t *props)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethod_t dm;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens dm = persistent_disc_meth_get();

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens props->vers = ISCSI_INTERFACE_VERSION;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

088e9d477eee66081e407fbc5a33c4da25f66f6aeschrock /* ---- change once thread is implemented ---- */

fa9e4066f08beec538e775443c5be79dd423fcabahrens props->iSNSDiscoverySettable = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens props->SLPDiscoverySettable = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens props->StaticDiscoverySettable = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens props->SendTargetsDiscoverySettable = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens props->iSNSDiscoveryMethod = iSNSDiscoveryMethodStatic;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens props->iSNSDiscoveryEnabled = CHECK_METHOD(iSCSIDiscoveryMethodISNS);

fa9e4066f08beec538e775443c5be79dd423fcabahrens props->StaticDiscoveryEnabled =

fa9e4066f08beec538e775443c5be79dd423fcabahrens CHECK_METHOD(iSCSIDiscoveryMethodStatic);

fa9e4066f08beec538e775443c5be79dd423fcabahrens props->SendTargetsDiscoveryEnabled =

fa9e4066f08beec538e775443c5be79dd423fcabahrens CHECK_METHOD(iSCSIDiscoveryMethodSendTargets);

fa9e4066f08beec538e775443c5be79dd423fcabahrens props->SLPDiscoveryEnabled = CHECK_METHOD(iSCSIDiscoveryMethodSLP);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensiscsid_enable_discovery(iscsi_hba_t *ihp, iSCSIDiscoveryMethod_t idm,

fa9e4066f08beec538e775443c5be79dd423fcabahrens boolean_t poke)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

c67d9675bbc8392fe45f3a7dfbda1ad4daa1eb07eschrock boolean_t rval = B_TRUE;

c67d9675bbc8392fe45f3a7dfbda1ad4daa1eb07eschrock iscsid_thr_table *dt;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens for (dt = &iscsid_thr[0]; dt->method != iSCSIDiscoveryMethodUnknown;

fa9e4066f08beec538e775443c5be79dd423fcabahrens dt++) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (idm & dt->method) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (dt->thr_id != NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens rval = iscsi_thread_start(dt->thr_id);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (rval == B_FALSE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens break;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (poke == B_TRUE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) iscsi_thread_send_wakeup(

fa9e4066f08beec538e775443c5be79dd423fcabahrens dt->thr_id);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(B_FALSE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens } /* END for() */

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (rval);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensiscsid_disable_discovery(iscsi_hba_t *ihp, iSCSIDiscoveryMethod_t idm)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens boolean_t rval = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsid_thr_table *dt;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens for (dt = &iscsid_thr[0]; dt->method != iSCSIDiscoveryMethodUnknown;

fa9e4066f08beec538e775443c5be79dd423fcabahrens dt++) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (idm & dt->method) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* signal discovery event change - begin */

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_discovery_event(ihp, dt->method, B_TRUE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* Attempt to logout of all associated targets */

fa9e4066f08beec538e775443c5be79dd423fcabahrens rval = iscsid_del(ihp, NULL, dt->method, NULL);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (rval == B_TRUE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* Successfully logged out of targets */

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (dt->thr_id != NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens rval = iscsi_thread_stop(dt->thr_id);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (rval == B_FALSE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_discovery_event(ihp,

fa9e4066f08beec538e775443c5be79dd423fcabahrens dt->method, B_FALSE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens break;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(B_FALSE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* signal discovery event change - end */

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_discovery_event(ihp, dt->method, B_FALSE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens } /* END for() */

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (rval);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensiscsid_poke_discovery(iscsi_hba_t *ihp, iSCSIDiscoveryMethod_t method)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens#define ISCSI_DISCOVERY_DELAY 1

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethod_t dm;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsid_thr_table *dt;

fa9e4066f08beec538e775443c5be79dd423fcabahrens boolean_t send_wakeup;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(ihp != NULL);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* reset discovery flags */

fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_enter(&ihp->hba_discovery_events_mutex);

fa9e4066f08beec538e775443c5be79dd423fcabahrens ihp->hba_discovery_in_progress = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens ihp->hba_discovery_events = iSCSIDiscoveryMethodUnknown;

fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_exit(&ihp->hba_discovery_events_mutex);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* start all enabled discovery methods */

fa9e4066f08beec538e775443c5be79dd423fcabahrens dm = persistent_disc_meth_get();

fa9e4066f08beec538e775443c5be79dd423fcabahrens for (dt = &iscsid_thr[0]; dt->method != iSCSIDiscoveryMethodUnknown;

fa9e4066f08beec538e775443c5be79dd423fcabahrens dt++) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens send_wakeup = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if ((method == iSCSIDiscoveryMethodUnknown) ||

fa9e4066f08beec538e775443c5be79dd423fcabahrens (method == dt->method)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens if ((dm & dt->method) && (dt->thr_id != NULL)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (iscsi_thread_send_wakeup(dt->thr_id) ==

fa9e4066f08beec538e775443c5be79dd423fcabahrens B_TRUE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens send_wakeup = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (send_wakeup == B_FALSE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_discovery_event(ihp, dt->method, B_TRUE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_discovery_event(ihp, dt->method, B_FALSE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_enter(&ihp->hba_discovery_events_mutex);

fa9e4066f08beec538e775443c5be79dd423fcabahrens while (ihp->hba_discovery_events != ISCSI_ALL_DISCOVERY_METHODS) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_exit(&ihp->hba_discovery_events_mutex);

fa9e4066f08beec538e775443c5be79dd423fcabahrens delay(SEC_TO_TICK(ISCSI_DISCOVERY_DELAY));

fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_enter(&ihp->hba_discovery_events_mutex);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens ihp->hba_discovery_in_progress = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens mutex_exit(&ihp->hba_discovery_events_mutex);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensiscsid_do_sendtgts(entry_t *disc_addr)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens#define SENDTGTS_DEFAULT_NUM_TARGETS 10

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens int stl_sz;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int stl_num_tgts = SENDTGTS_DEFAULT_NUM_TARGETS;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_sendtgts_list_t *stl_hdr = NULL;

fa9e4066f08beec538e775443c5be79dd423fcabahrens boolean_t retry = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens char inp_buf[INET6_ADDRSTRLEN];

fa9e4066f08beec538e775443c5be79dd423fcabahrens const char *ip;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int ctr;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int rc;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_hba_t *ihp;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethod_t dm = iSCSIDiscoveryMethodSendTargets;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* allocate and initialize sendtargets list header */

c67d9675bbc8392fe45f3a7dfbda1ad4daa1eb07eschrock stl_sz = sizeof (*stl_hdr) + ((stl_num_tgts - 1) *

fa9e4066f08beec538e775443c5be79dd423fcabahrens sizeof (iscsi_sendtgts_entry_t));

fa9e4066f08beec538e775443c5be79dd423fcabahrens stl_hdr = kmem_zalloc(stl_sz, KM_SLEEP);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensretry_sendtgts:

fa9e4066f08beec538e775443c5be79dd423fcabahrens stl_hdr->stl_in_cnt = stl_num_tgts;

fa9e4066f08beec538e775443c5be79dd423fcabahrens bcopy(disc_addr, &(stl_hdr->stl_entry),

fa9e4066f08beec538e775443c5be79dd423fcabahrens sizeof (stl_hdr->stl_entry));

fa9e4066f08beec538e775443c5be79dd423fcabahrens stl_hdr->stl_entry.e_vers = ISCSI_INTERFACE_VERSION;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* lock interface so only one SendTargets operation occurs */

fa9e4066f08beec538e775443c5be79dd423fcabahrens if ((ihp = (iscsi_hba_t *)ddi_get_soft_state(iscsi_state, 0)) == NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens cmn_err(CE_NOTE, "!iscsi discovery failure - SendTargets. "

fa9e4066f08beec538e775443c5be79dd423fcabahrens "failure to get soft state");

fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_free(stl_hdr, stl_sz);

fa9e4066f08beec538e775443c5be79dd423fcabahrens return;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens sema_p(&ihp->hba_sendtgts_semaphore);

fa9e4066f08beec538e775443c5be79dd423fcabahrens rc = iscsi_ioctl_sendtgts_get(ihp, stl_hdr);

fa9e4066f08beec538e775443c5be79dd423fcabahrens sema_v(&ihp->hba_sendtgts_semaphore);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (rc) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens ip = inet_ntop((disc_addr->e_insize ==

fa9e4066f08beec538e775443c5be79dd423fcabahrens sizeof (struct in_addr) ? AF_INET : AF_INET6),

fa9e4066f08beec538e775443c5be79dd423fcabahrens &disc_addr->e_u, inp_buf, sizeof (inp_buf));

fa9e4066f08beec538e775443c5be79dd423fcabahrens cmn_err(CE_NOTE,

fa9e4066f08beec538e775443c5be79dd423fcabahrens "iscsi discovery failure - SendTargets (%s)\n", ip);

fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_free(stl_hdr, stl_sz);

fa9e4066f08beec538e775443c5be79dd423fcabahrens return;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* check if all targets received */

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (stl_hdr->stl_in_cnt < stl_hdr->stl_out_cnt) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (retry == B_TRUE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens stl_num_tgts = stl_hdr->stl_out_cnt;

fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_free(stl_hdr, stl_sz);

fa9e4066f08beec538e775443c5be79dd423fcabahrens stl_sz = sizeof (*stl_hdr) +

fa9e4066f08beec538e775443c5be79dd423fcabahrens ((stl_num_tgts - 1) *

fa9e4066f08beec538e775443c5be79dd423fcabahrens sizeof (iscsi_sendtgts_entry_t));

fa9e4066f08beec538e775443c5be79dd423fcabahrens stl_hdr = kmem_zalloc(stl_sz, KM_SLEEP);

fa9e4066f08beec538e775443c5be79dd423fcabahrens retry = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens goto retry_sendtgts;

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens ip = inet_ntop((disc_addr->e_insize ==

fa9e4066f08beec538e775443c5be79dd423fcabahrens sizeof (struct in_addr) ?

fa9e4066f08beec538e775443c5be79dd423fcabahrens AF_INET : AF_INET6), &disc_addr->e_u,

fa9e4066f08beec538e775443c5be79dd423fcabahrens inp_buf, sizeof (inp_buf));

fa9e4066f08beec538e775443c5be79dd423fcabahrens cmn_err(CE_NOTE, "iscsi discovery failure - "

fa9e4066f08beec538e775443c5be79dd423fcabahrens "SendTargets overflow (%s)\n", ip);

fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_free(stl_hdr, stl_sz);

fa9e4066f08beec538e775443c5be79dd423fcabahrens return;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens for (ctr = 0; ctr < stl_hdr->stl_out_cnt; ctr++) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_sockaddr_t addr_dsc;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_sockaddr_t addr_tgt;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsid_addr_to_sockaddr(disc_addr->e_insize,

fa9e4066f08beec538e775443c5be79dd423fcabahrens &disc_addr->e_u, disc_addr->e_port, &addr_dsc.sin);

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsid_addr_to_sockaddr(

fa9e4066f08beec538e775443c5be79dd423fcabahrens stl_hdr->stl_list[ctr].ste_ipaddr.a_addr.i_insize,

fa9e4066f08beec538e775443c5be79dd423fcabahrens &(stl_hdr->stl_list[ctr].ste_ipaddr.a_addr.i_addr),

fa9e4066f08beec538e775443c5be79dd423fcabahrens stl_hdr->stl_list[ctr].ste_ipaddr.a_port,

fa9e4066f08beec538e775443c5be79dd423fcabahrens &addr_tgt.sin);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (disc_addr->e_boot == B_TRUE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens dm = dm | iSCSIDiscoveryMethodBoot;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) iscsid_add(ihp, dm,

fa9e4066f08beec538e775443c5be79dd423fcabahrens &addr_dsc.sin, (char *)stl_hdr->stl_list[ctr].ste_name,

fa9e4066f08beec538e775443c5be79dd423fcabahrens stl_hdr->stl_list[ctr].ste_tpgt,

fa9e4066f08beec538e775443c5be79dd423fcabahrens &addr_tgt.sin);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_free(stl_hdr, stl_sz);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensiscsid_do_isns_query_one_server(iscsi_hba_t *ihp, entry_t *isns_server)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens int pg_sz, query_status;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_addr_t *ap;

fa9e4066f08beec538e775443c5be79dd423fcabahrens isns_portal_group_list_t *pg_list;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens ap = (iscsi_addr_t *)kmem_zalloc(sizeof (iscsi_addr_t), KM_SLEEP);

fa9e4066f08beec538e775443c5be79dd423fcabahrens ap->a_port = isns_server->e_port;

fa9e4066f08beec538e775443c5be79dd423fcabahrens ap->a_addr.i_insize = isns_server->e_insize;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (isns_server->e_insize == sizeof (struct in_addr)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens ap->a_addr.i_addr.in4.s_addr = (isns_server->e_u.u_in4.s_addr);

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else if (isns_server->e_insize == sizeof (struct in6_addr)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens bcopy(&(isns_server->e_u.u_in6.s6_addr),

fa9e4066f08beec538e775443c5be79dd423fcabahrens ap->a_addr.i_addr.in6.s6_addr, 16);

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_free(ap, sizeof (iscsi_addr_t));

fa9e4066f08beec538e775443c5be79dd423fcabahrens return;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens pg_list = NULL;

fa9e4066f08beec538e775443c5be79dd423fcabahrens query_status = isns_query_one_server(

fa9e4066f08beec538e775443c5be79dd423fcabahrens ap, ihp->hba_isid,

fa9e4066f08beec538e775443c5be79dd423fcabahrens ihp->hba_name, ihp->hba_alias,

fa9e4066f08beec538e775443c5be79dd423fcabahrens ISNS_INITIATOR_NODE_TYPE, &pg_list);

fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_free(ap, sizeof (iscsi_addr_t));

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (query_status != isns_ok || pg_list == NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens DTRACE_PROBE1(iscsid_do_isns_query_one_server_status,

fa9e4066f08beec538e775443c5be79dd423fcabahrens int, query_status);

fa9e4066f08beec538e775443c5be79dd423fcabahrens return;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsid_add_pg_list_to_cache(ihp, pg_list);

fa9e4066f08beec538e775443c5be79dd423fcabahrens pg_sz = sizeof (isns_portal_group_list_t);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (pg_list->pg_out_cnt > 0) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens pg_sz += (pg_list->pg_out_cnt - 1) *

fa9e4066f08beec538e775443c5be79dd423fcabahrens sizeof (isns_portal_group_t);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_free(pg_list, pg_sz);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensiscsid_do_isns_query(iscsi_hba_t *ihp)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens int pg_sz, query_status;

fa9e4066f08beec538e775443c5be79dd423fcabahrens isns_portal_group_list_t *pg_list;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens pg_list = NULL;

fa9e4066f08beec538e775443c5be79dd423fcabahrens query_status = isns_query(ihp->hba_isid,

fa9e4066f08beec538e775443c5be79dd423fcabahrens ihp->hba_name,

fa9e4066f08beec538e775443c5be79dd423fcabahrens ihp->hba_alias,

fa9e4066f08beec538e775443c5be79dd423fcabahrens ISNS_INITIATOR_NODE_TYPE,

fa9e4066f08beec538e775443c5be79dd423fcabahrens &pg_list);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if ((query_status != isns_ok &&

fa9e4066f08beec538e775443c5be79dd423fcabahrens query_status != isns_op_partially_failed) ||

fa9e4066f08beec538e775443c5be79dd423fcabahrens pg_list == NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens DTRACE_PROBE1(iscsid_do_isns_query_status,

fa9e4066f08beec538e775443c5be79dd423fcabahrens int, query_status);

fa9e4066f08beec538e775443c5be79dd423fcabahrens return;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsid_add_pg_list_to_cache(ihp, pg_list);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens pg_sz = sizeof (isns_portal_group_list_t);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (pg_list->pg_out_cnt > 0) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens pg_sz += (pg_list->pg_out_cnt - 1) *

fa9e4066f08beec538e775443c5be79dd423fcabahrens sizeof (isns_portal_group_t);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_free(pg_list, pg_sz);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensiscsid_config_one(iscsi_hba_t *ihp, char *name, boolean_t protect)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens boolean_t rc = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int retry = 0;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int lun_online = 0;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int cur_sec = 0;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!modrootloaded && (iscsiboot_prop != NULL)) {

c67d9675bbc8392fe45f3a7dfbda1ad4daa1eb07eschrock if (!iscsi_configroot_printed) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens cmn_err(CE_NOTE, "Configuring"

c67d9675bbc8392fe45f3a7dfbda1ad4daa1eb07eschrock " iSCSI boot session...");

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_configroot_printed = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (iscsi_net_up == 0) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (iscsi_net_interface() == ISCSI_STATUS_SUCCESS) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_net_up = 1;

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens cmn_err(CE_WARN, "Failed to configure interface"

afefbcddfd8caf5f3b2da510d9439471ab225040eschrock " for iSCSI boot session");

afefbcddfd8caf5f3b2da510d9439471ab225040eschrock return;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens while (rc == B_FALSE && retry <

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_configroot_retry) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens rc = iscsid_login_tgt(ihp, name,

c67d9675bbc8392fe45f3a7dfbda1ad4daa1eb07eschrock iSCSIDiscoveryMethodBoot, NULL);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (rc == B_FALSE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_boot_session_create(ihp,

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsiboot_prop);

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens do {

fa9e4066f08beec538e775443c5be79dd423fcabahrens lun_online =

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsiboot_prop->boot_tgt.lun_online;

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (lun_online == 0) {

afefbcddfd8caf5f3b2da510d9439471ab225040eschrock delay(SEC_TO_TICK(1));

fa9e4066f08beec538e775443c5be79dd423fcabahrens cur_sec++;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens } while ((lun_online == 0) &&

fa9e4066f08beec538e775443c5be79dd423fcabahrens (cur_sec < iscsi_boot_max_delay));

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens retry++;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!rc) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens cmn_err(CE_WARN, "Failed to configure iSCSI"

fa9e4066f08beec538e775443c5be79dd423fcabahrens " boot session");

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens rc = iscsid_login_tgt(ihp, name, iSCSIDiscoveryMethodUnknown,

fa9e4066f08beec538e775443c5be79dd423fcabahrens NULL);

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (rc == B_FALSE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock if ((protect == B_FALSE) ||

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock (ddi_get_lbolt() > ihp->hba_config_lbolt +

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock SEC_TO_TICK(ihp->hba_config_storm_delay))) {

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock ihp->hba_config_lbolt = ddi_get_lbolt();

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsid_poke_discovery(ihp,

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethodUnknown);

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) iscsid_login_tgt(ihp, name,

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethodUnknown, NULL);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

afefbcddfd8caf5f3b2da510d9439471ab225040eschrockiscsid_config_all(iscsi_hba_t *ihp, boolean_t protect)

afefbcddfd8caf5f3b2da510d9439471ab225040eschrock{

fa9e4066f08beec538e775443c5be79dd423fcabahrens boolean_t rc = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int retry = 0;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int lun_online = 0;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int cur_sec = 0;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!modrootloaded && iscsiboot_prop != NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!iscsi_configroot_printed) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens cmn_err(CE_NOTE, "Configuring"

fa9e4066f08beec538e775443c5be79dd423fcabahrens " iSCSI boot session...");

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_configroot_printed = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (iscsi_net_up == 0) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (iscsi_net_interface() == ISCSI_STATUS_SUCCESS) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_net_up = 1;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens while (rc == B_FALSE && retry <

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_configroot_retry) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens rc = iscsid_login_tgt(ihp, NULL,

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethodBoot, NULL);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (rc == B_FALSE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_boot_session_create(ihp,

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsiboot_prop);

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens do {

fa9e4066f08beec538e775443c5be79dd423fcabahrens lun_online =

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsiboot_prop->boot_tgt.lun_online;

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm if (lun_online == 0) {

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm delay(SEC_TO_TICK(1));

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm cur_sec++;

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm }

fa9e4066f08beec538e775443c5be79dd423fcabahrens } while ((lun_online == 0) &&

fa9e4066f08beec538e775443c5be79dd423fcabahrens (cur_sec < iscsi_boot_max_delay));

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens retry++;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!rc) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens cmn_err(CE_WARN, "Failed to configure"

fa9e4066f08beec538e775443c5be79dd423fcabahrens " boot session");

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens if ((protect == B_FALSE) ||

fa9e4066f08beec538e775443c5be79dd423fcabahrens (ddi_get_lbolt() > ihp->hba_config_lbolt +

fa9e4066f08beec538e775443c5be79dd423fcabahrens SEC_TO_TICK(ihp->hba_config_storm_delay))) {

441d80aa4f613b6298fc8bd3151f4be02dbf84fclling ihp->hba_config_lbolt = ddi_get_lbolt();

441d80aa4f613b6298fc8bd3151f4be02dbf84fclling iscsid_poke_discovery(ihp,

441d80aa4f613b6298fc8bd3151f4be02dbf84fclling iSCSIDiscoveryMethodUnknown);

441d80aa4f613b6298fc8bd3151f4be02dbf84fclling }

441d80aa4f613b6298fc8bd3151f4be02dbf84fclling (void) iscsid_login_tgt(ihp, NULL,

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock iSCSIDiscoveryMethodUnknown, NULL);

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock }

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock}

ea8dc4b6d2251b437950c0056bc626b311c73c27eschrock

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrockisns_scn_callback(void *arg)

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock{

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock int i, pg_sz;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int qry_status;

fa9e4066f08beec538e775443c5be79dd423fcabahrens isns_portal_group_list_t *pg_list;

fa9e4066f08beec538e775443c5be79dd423fcabahrens uint32_t scn_type;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_hba_t *ihp;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (arg == NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* No argument */

fa9e4066f08beec538e775443c5be79dd423fcabahrens return;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if ((ihp = (iscsi_hba_t *)ddi_get_soft_state(iscsi_state, 0)) == NULL) {

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock kmem_free(arg, sizeof (isns_scn_callback_arg_t));

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock return;

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock }

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (iscsi_client_request_service(ihp) == B_FALSE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_free(arg, sizeof (isns_scn_callback_arg_t));

fa9e4066f08beec538e775443c5be79dd423fcabahrens return;

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock scn_type = ((isns_scn_callback_arg_t *)arg)->scn_type;

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock DTRACE_PROBE1(isns_scn_callback_scn_type, int, scn_type);

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock switch (scn_type) {

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock /*

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock case ISNS_OBJ_ADDED:

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock /* Query iSNS server for contact information */

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock pg_list = NULL;

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock qry_status = isns_query_one_node(

fa9e4066f08beec538e775443c5be79dd423fcabahrens ((isns_scn_callback_arg_t *)arg)->source_key_attr,

fa9e4066f08beec538e775443c5be79dd423fcabahrens ihp->hba_isid,

fa9e4066f08beec538e775443c5be79dd423fcabahrens ihp->hba_name,

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock (uint8_t *)"",

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock ISNS_INITIATOR_NODE_TYPE,

fa9e4066f08beec538e775443c5be79dd423fcabahrens &pg_list);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock /* Verify portal group is found */

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock if ((qry_status != isns_ok &&

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock qry_status != isns_op_partially_failed) ||

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock pg_list == NULL) {

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock break;

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock }

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock DTRACE_PROBE1(pg_list,

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock isns_portal_group_list_t *, pg_list);

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock /* Add all portals for logical unit to discovery cache */

fa9e4066f08beec538e775443c5be79dd423fcabahrens for (i = 0; i < pg_list->pg_out_cnt; i++) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_sockaddr_t addr_dsc;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_sockaddr_t addr_tgt;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsid_addr_to_sockaddr(

fa9e4066f08beec538e775443c5be79dd423fcabahrens pg_list->pg_list[i].isns_server_ip.i_insize,

fa9e4066f08beec538e775443c5be79dd423fcabahrens &pg_list->pg_list[i].isns_server_ip.i_addr,

fa9e4066f08beec538e775443c5be79dd423fcabahrens pg_list->pg_list[i].isns_server_port,

c67d9675bbc8392fe45f3a7dfbda1ad4daa1eb07eschrock &addr_dsc.sin);

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsid_addr_to_sockaddr(pg_list->pg_list[i].insize,

fa9e4066f08beec538e775443c5be79dd423fcabahrens &pg_list->pg_list[i].pg_ip_addr,

fa9e4066f08beec538e775443c5be79dd423fcabahrens pg_list->pg_list[i].pg_port, &addr_tgt.sin);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) iscsid_add(ihp, iSCSIDiscoveryMethodISNS,

fa9e4066f08beec538e775443c5be79dd423fcabahrens &addr_dsc.sin, (char *)pg_list->pg_list[i].

fa9e4066f08beec538e775443c5be79dd423fcabahrens pg_iscsi_name, pg_list->pg_list[i].pg_tag,

fa9e4066f08beec538e775443c5be79dd423fcabahrens &addr_tgt.sin);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* Force target to login */

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) iscsid_login_tgt(ihp, (char *)pg_list->

fa9e4066f08beec538e775443c5be79dd423fcabahrens pg_list[i].pg_iscsi_name, iSCSIDiscoveryMethodISNS,

fa9e4066f08beec538e775443c5be79dd423fcabahrens NULL);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (pg_list != NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens pg_sz = sizeof (isns_portal_group_list_t);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (pg_list->pg_out_cnt > 0) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens pg_sz += (pg_list->pg_out_cnt - 1) *

fa9e4066f08beec538e775443c5be79dd423fcabahrens sizeof (isns_portal_group_t);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_free(pg_list, pg_sz);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock break;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens case ISNS_OBJ_REMOVED:

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (iscsid_del(ihp,

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock (char *)((isns_scn_callback_arg_t *)arg)->

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock source_key_attr, iSCSIDiscoveryMethodISNS, NULL) !=

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock B_TRUE) {

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock cmn_err(CE_NOTE, "iscsi initiator - "

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock "isns remove scn failed for target %s\n",

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock (char *)((isns_scn_callback_arg_t *)arg)->

eaca9bbd5f5d1e4e554da4c7108e8a03c8c33481eschrock source_key_attr);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens break;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens case ISNS_OBJ_UPDATED:

fa9e4066f08beec538e775443c5be79dd423fcabahrens cmn_err(CE_NOTE, "iscsi initiator - "

fa9e4066f08beec538e775443c5be79dd423fcabahrens "received iSNS update SCN for %s\n",

fa9e4066f08beec538e775443c5be79dd423fcabahrens (char *)((isns_scn_callback_arg_t *)arg)->

fa9e4066f08beec538e775443c5be79dd423fcabahrens source_key_attr);

fa9e4066f08beec538e775443c5be79dd423fcabahrens break;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

cbcb6089bf49be7bed77b8c9c1727b26f2e9c913lling /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens default:

fa9e4066f08beec538e775443c5be79dd423fcabahrens cmn_err(CE_NOTE, "iscsi initiator - "

fa9e4066f08beec538e775443c5be79dd423fcabahrens "received unknown iSNS SCN type 0x%x\n", scn_type);

fa9e4066f08beec538e775443c5be79dd423fcabahrens break;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_client_release_service(ihp);

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm kmem_free(arg, sizeof (isns_scn_callback_arg_t));

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm}

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm

fa9e4066f08beec538e775443c5be79dd423fcabahrens

4c58d71403cebfaa40a572ff12b17668ebd56987darrenmstatic boolean_t

4c58d71403cebfaa40a572ff12b17668ebd56987darrenmiscsid_add(iscsi_hba_t *ihp, iSCSIDiscoveryMethod_t method,

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm struct sockaddr *addr_dsc, char *target_name, int tpgt,

fa9e4066f08beec538e775443c5be79dd423fcabahrens struct sockaddr *addr_tgt)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens boolean_t rtn = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_sess_t *isp;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_conn_t *icp;

fa9e4066f08beec538e775443c5be79dd423fcabahrens uint_t oid;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int idx;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int isid;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_config_sess_t *ics;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int size;

fa9e4066f08beec538e775443c5be79dd423fcabahrens char *tmp;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(ihp != NULL);

fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(addr_dsc != NULL);

fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(target_name != NULL);

fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(addr_tgt != NULL);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* setup initial buffer for configured session information */

fa9e4066f08beec538e775443c5be79dd423fcabahrens size = sizeof (*ics);

fa9e4066f08beec538e775443c5be79dd423fcabahrens ics = kmem_zalloc(size, KM_SLEEP);

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm ics->ics_in = 1;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* get configured sessions information */

fa9e4066f08beec538e775443c5be79dd423fcabahrens tmp = target_name;

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (persistent_get_config_session(tmp, ics) == B_FALSE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens tmp = (char *)ihp->hba_name;

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm if (persistent_get_config_session(tmp, ics) == B_FALSE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens ics->ics_out = 1;

fa9e4066f08beec538e775443c5be79dd423fcabahrens ics->ics_bound = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (iscsiboot_prop && (ics->ics_out > 1) &&

fa9e4066f08beec538e775443c5be79dd423fcabahrens !iscsi_chk_bootlun_mpxio(ihp)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (iscsi_cmp_boot_ini_name(tmp) ||

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_cmp_boot_tgt_name(tmp)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens ics->ics_out = 1;

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm ics->ics_bound = B_FALSE;

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm }

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm }

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* Check to see if we need to get more information */

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (ics->ics_out > 1) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* record new size and free last buffer */

fa9e4066f08beec538e775443c5be79dd423fcabahrens idx = ics->ics_out;

fa9e4066f08beec538e775443c5be79dd423fcabahrens size = ISCSI_SESSION_CONFIG_SIZE(ics->ics_out);

fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_free(ics, sizeof (*ics));

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* allocate new buffer */

fa9e4066f08beec538e775443c5be79dd423fcabahrens ics = kmem_zalloc(size, KM_SLEEP);

fa9e4066f08beec538e775443c5be79dd423fcabahrens ics->ics_in = idx;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* get configured sessions information */

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (persistent_get_config_session(tmp, ics) != B_TRUE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens cmn_err(CE_NOTE, "iscsi session(%s) - "

fa9e4066f08beec538e775443c5be79dd423fcabahrens "unable to get configured session information\n",

fa9e4066f08beec538e775443c5be79dd423fcabahrens target_name);

fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_free(ics, size);

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (B_FALSE);

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* loop for all configured sessions */

fa9e4066f08beec538e775443c5be79dd423fcabahrens rw_enter(&ihp->hba_sess_list_rwlock, RW_WRITER);

fa9e4066f08beec538e775443c5be79dd423fcabahrens for (isid = 0; isid < ics->ics_out; isid++) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* create or find matching session */

fa9e4066f08beec538e775443c5be79dd423fcabahrens isp = iscsi_sess_create(ihp, method, addr_dsc, target_name,

fa9e4066f08beec538e775443c5be79dd423fcabahrens tpgt, isid, ISCSI_SESS_TYPE_NORMAL, &oid);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (isp == NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens rtn = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens break;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* create or find matching connection */

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!ISCSI_SUCCESS(iscsi_conn_create(addr_tgt, isp, &icp))) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) iscsi_sess_destroy(isp);

fa9e4066f08beec538e775443c5be79dd423fcabahrens rtn = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens break;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens rw_exit(&ihp->hba_sess_list_rwlock);

fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_free(ics, size);

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (rtn);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensiscsid_del(iscsi_hba_t *ihp, char *target_name,

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethod_t method, struct sockaddr *addr_dsc)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens boolean_t rtn = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_status_t status;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_sess_t *isp;

fa9e4066f08beec538e775443c5be79dd423fcabahrens char name[ISCSI_MAX_NAME_LEN];

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(ihp != NULL);

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* target name can be NULL or !NULL */

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* addr_dsc can be NULL or !NULL */

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens rw_enter(&ihp->hba_sess_list_rwlock, RW_WRITER);

fa9e4066f08beec538e775443c5be79dd423fcabahrens isp = ihp->hba_sess_list;

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm while (isp != NULL) {

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (((target_name == NULL) ||

fa9e4066f08beec538e775443c5be79dd423fcabahrens (strcmp((char *)isp->sess_name, target_name) == 0)) &&

fa9e4066f08beec538e775443c5be79dd423fcabahrens (isp->sess_discovered_by == method)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens boolean_t try_destroy;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens if ((method == iSCSIDiscoveryMethodISNS) ||

fa9e4066f08beec538e775443c5be79dd423fcabahrens (method == iSCSIDiscoveryMethodSendTargets)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm if ((addr_dsc == NULL) ||

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm (bcmp(addr_dsc, &isp->sess_discovered_addr,

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm SIZEOF_SOCKADDR(

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm &isp->sess_discovered_addr.sin)) == 0)) {

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm try_destroy = B_TRUE;

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm } else {

4c58d71403cebfaa40a572ff12b17668ebd56987darrenm try_destroy = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else if (method == iSCSIDiscoveryMethodStatic) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens if ((addr_dsc == NULL) ||

fa9e4066f08beec538e775443c5be79dd423fcabahrens ((isp->sess_conn_act != NULL) &&

fa9e4066f08beec538e775443c5be79dd423fcabahrens (bcmp(addr_dsc,

fa9e4066f08beec538e775443c5be79dd423fcabahrens &isp->sess_conn_act->conn_base_addr.sin,

fa9e4066f08beec538e775443c5be79dd423fcabahrens SIZEOF_SOCKADDR(

fa9e4066f08beec538e775443c5be79dd423fcabahrens &isp->sess_conn_act->conn_base_addr.sin))

fa9e4066f08beec538e775443c5be79dd423fcabahrens == 0))) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens try_destroy = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens try_destroy = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* Unknown discovery specified */

fa9e4066f08beec538e775443c5be79dd423fcabahrens try_destroy = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (try_destroy == B_TRUE &&

fa9e4066f08beec538e775443c5be79dd423fcabahrens isp->sess_boot == B_FALSE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) strcpy(name, (char *)isp->sess_name);

fa9e4066f08beec538e775443c5be79dd423fcabahrens status = iscsi_sess_destroy(isp);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (ISCSI_SUCCESS(status)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsid_remove_target_param(name);

fa9e4066f08beec538e775443c5be79dd423fcabahrens isp = ihp->hba_sess_list;

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens cmn_err(CE_NOTE, "iscsi session(%d) - "

fa9e4066f08beec538e775443c5be79dd423fcabahrens "session logout failed (%d)\n",

fa9e4066f08beec538e775443c5be79dd423fcabahrens isp->sess_oid, status);

fa9e4066f08beec538e775443c5be79dd423fcabahrens isp = isp->sess_next;

fa9e4066f08beec538e775443c5be79dd423fcabahrens rtn = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens isp = isp->sess_next;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens isp = isp->sess_next;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens rw_exit(&ihp->hba_sess_list_rwlock);

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (rtn);

fa9e4066f08beec538e775443c5be79dd423fcabahrens}

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrensiscsid_login_tgt(iscsi_hba_t *ihp, char *target_name,

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethod_t method, struct sockaddr *addr_dsc)

fa9e4066f08beec538e775443c5be79dd423fcabahrens{

fa9e4066f08beec538e775443c5be79dd423fcabahrens boolean_t rtn = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_sess_t *isp = NULL;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_sess_list_t *isp_list = NULL;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_sess_list_t *last_sess = NULL;

fa9e4066f08beec538e775443c5be79dd423fcabahrens iscsi_sess_list_t *cur_sess = NULL;

fa9e4066f08beec538e775443c5be79dd423fcabahrens int total = 0;

fa9e4066f08beec538e775443c5be79dd423fcabahrens ddi_taskq_t *login_taskq = NULL;

fa9e4066f08beec538e775443c5be79dd423fcabahrens char taskq_name[ISCSI_TH_MAX_NAME_LEN] = {0};

fa9e4066f08beec538e775443c5be79dd423fcabahrens time_t time_stamp;

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens ASSERT(ihp != NULL);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens rw_enter(&ihp->hba_sess_list_rwlock, RW_WRITER);

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* Loop thru sessions */

fa9e4066f08beec538e775443c5be79dd423fcabahrens isp = ihp->hba_sess_list;

fa9e4066f08beec538e775443c5be79dd423fcabahrens while (isp != NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens boolean_t try_online;

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (!(method & iSCSIDiscoveryMethodBoot)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (target_name == NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (method == iSCSIDiscoveryMethodUnknown) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* unknown method mean login to all */

fa9e4066f08beec538e775443c5be79dd423fcabahrens try_online = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else if (isp->sess_discovered_by & method) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens if ((method ==

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethodISNS) ||

fa9e4066f08beec538e775443c5be79dd423fcabahrens (method ==

fa9e4066f08beec538e775443c5be79dd423fcabahrens iSCSIDiscoveryMethodSendTargets)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens#define SESS_DISC_ADDR isp->sess_discovered_addr.sin

fa9e4066f08beec538e775443c5be79dd423fcabahrens if ((addr_dsc == NULL) ||

fa9e4066f08beec538e775443c5be79dd423fcabahrens (bcmp(

fa9e4066f08beec538e775443c5be79dd423fcabahrens &isp->sess_discovered_addr,

fa9e4066f08beec538e775443c5be79dd423fcabahrens addr_dsc, SIZEOF_SOCKADDR(

fa9e4066f08beec538e775443c5be79dd423fcabahrens &SESS_DISC_ADDR))

fa9e4066f08beec538e775443c5be79dd423fcabahrens == 0)) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

fa9e4066f08beec538e775443c5be79dd423fcabahrens try_online = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* addr_dsc not a match */

fa9e4066f08beec538e775443c5be79dd423fcabahrens try_online = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens#undef SESS_DISC_ADDR

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* static configuration */

fa9e4066f08beec538e775443c5be79dd423fcabahrens try_online = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* method not a match */

fa9e4066f08beec538e775443c5be79dd423fcabahrens try_online = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else if (strcmp(target_name,

fa9e4066f08beec538e775443c5be79dd423fcabahrens (char *)isp->sess_name) == 0) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* target_name match */

c67d9675bbc8392fe45f3a7dfbda1ad4daa1eb07eschrock try_online = B_TRUE;

c67d9675bbc8392fe45f3a7dfbda1ad4daa1eb07eschrock } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* target_name not a match */

fa9e4066f08beec538e775443c5be79dd423fcabahrens try_online = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens /*

afefbcddfd8caf5f3b2da510d9439471ab225040eschrock if (isp->sess_boot == B_TRUE) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens try_online = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (try_online == B_TRUE &&

fa9e4066f08beec538e775443c5be79dd423fcabahrens isp->sess_type == ISCSI_SESS_TYPE_NORMAL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens total++;

fa9e4066f08beec538e775443c5be79dd423fcabahrens /* Copy these sessions to the list. */

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (isp_list == NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens isp_list =

fa9e4066f08beec538e775443c5be79dd423fcabahrens (iscsi_sess_list_t *)kmem_zalloc(

fa9e4066f08beec538e775443c5be79dd423fcabahrens sizeof (iscsi_sess_list_t), KM_SLEEP);

fa9e4066f08beec538e775443c5be79dd423fcabahrens last_sess = isp_list;

fa9e4066f08beec538e775443c5be79dd423fcabahrens last_sess->session = isp;

fa9e4066f08beec538e775443c5be79dd423fcabahrens last_sess->next = NULL;

fa9e4066f08beec538e775443c5be79dd423fcabahrens } else {

fa9e4066f08beec538e775443c5be79dd423fcabahrens last_sess->next =

fa9e4066f08beec538e775443c5be79dd423fcabahrens (iscsi_sess_list_t *)kmem_zalloc(

fa9e4066f08beec538e775443c5be79dd423fcabahrens sizeof (iscsi_sess_list_t), KM_SLEEP);

fa9e4066f08beec538e775443c5be79dd423fcabahrens last_sess->next->session = isp;

fa9e4066f08beec538e775443c5be79dd423fcabahrens last_sess->next->next = NULL;

fa9e4066f08beec538e775443c5be79dd423fcabahrens last_sess = last_sess->next;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens rtn = B_TRUE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens isp = isp->sess_next;

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (total > 0) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens time_stamp = ddi_get_time();

fa9e4066f08beec538e775443c5be79dd423fcabahrens (void) snprintf(taskq_name, (ISCSI_TH_MAX_NAME_LEN - 1),

fa9e4066f08beec538e775443c5be79dd423fcabahrens "login_queue.%lx", time_stamp);

fa9e4066f08beec538e775443c5be79dd423fcabahrens

fa9e4066f08beec538e775443c5be79dd423fcabahrens login_taskq = ddi_taskq_create(ihp->hba_dip,

fa9e4066f08beec538e775443c5be79dd423fcabahrens taskq_name, total, TASKQ_DEFAULTPRI, 0);

fa9e4066f08beec538e775443c5be79dd423fcabahrens if (login_taskq == NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens while (isp_list != NULL) {

fa9e4066f08beec538e775443c5be79dd423fcabahrens cur_sess = isp_list;

fa9e4066f08beec538e775443c5be79dd423fcabahrens isp_list = isp_list->next;

fa9e4066f08beec538e775443c5be79dd423fcabahrens kmem_free(cur_sess, sizeof (iscsi_sess_list_t));

fa9e4066f08beec538e775443c5be79dd423fcabahrens }

fa9e4066f08beec538e775443c5be79dd423fcabahrens rtn = B_FALSE;

fa9e4066f08beec538e775443c5be79dd423fcabahrens rw_exit(&ihp->hba_sess_list_rwlock);

fa9e4066f08beec538e775443c5be79dd423fcabahrens return (rtn);