1fcf3ce44SJohn Forte /*
2fcf3ce44SJohn Forte  * CDDL HEADER START
3fcf3ce44SJohn Forte  *
4fcf3ce44SJohn Forte  * The contents of this file are subject to the terms of the
5fcf3ce44SJohn Forte  * Common Development and Distribution License (the "License").
6fcf3ce44SJohn Forte  * You may not use this file except in compliance with the License.
7fcf3ce44SJohn Forte  *
8fcf3ce44SJohn Forte  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9fcf3ce44SJohn Forte  * or http://www.opensolaris.org/os/licensing.
10fcf3ce44SJohn Forte  * See the License for the specific language governing permissions
11fcf3ce44SJohn Forte  * and limitations under the License.
12fcf3ce44SJohn Forte  *
13fcf3ce44SJohn Forte  * When distributing Covered Code, include this CDDL HEADER in each
14fcf3ce44SJohn Forte  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15fcf3ce44SJohn Forte  * If applicable, add the following below this CDDL HEADER, with the
16fcf3ce44SJohn Forte  * fields enclosed by brackets "[]" replaced with your own identifying
17fcf3ce44SJohn Forte  * information: Portions Copyright [yyyy] [name of copyright owner]
18fcf3ce44SJohn Forte  *
19fcf3ce44SJohn Forte  * CDDL HEADER END
20fcf3ce44SJohn Forte  */
21fcf3ce44SJohn Forte /*
22fcf3ce44SJohn Forte  * Copyright 2000 by Cisco Systems, Inc.  All rights reserved.
2391dae09cSbing zhao - Sun Microsystems - Beijing China  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24fcf3ce44SJohn Forte  * Use is subject to license terms.
25fcf3ce44SJohn Forte  *
26fcf3ce44SJohn Forte  * iSCSI Software Initiator
27fcf3ce44SJohn Forte  */
28fcf3ce44SJohn Forte 
29fcf3ce44SJohn Forte /*
30fcf3ce44SJohn Forte  * Framework interface routines for iSCSI
31fcf3ce44SJohn Forte  */
32fcf3ce44SJohn Forte 
3330e7468fSPeter Dunlap #include "iscsi.h"				/* main header */
3430e7468fSPeter Dunlap #include <sys/iscsi_protocol.h>	/* protocol structs */
3530e7468fSPeter Dunlap #include <sys/scsi/adapters/iscsi_if.h>		/* ioctl interfaces */
36fcf3ce44SJohn Forte #include "iscsi_targetparam.h"
37fcf3ce44SJohn Forte #include "persistent.h"
38fcf3ce44SJohn Forte #include <sys/scsi/adapters/iscsi_door.h>
39fcf3ce44SJohn Forte #include <sys/dlpi.h>
40fcf3ce44SJohn Forte #include <sys/utsname.h>
41fcf3ce44SJohn Forte #include "isns_client.h"
42fcf3ce44SJohn Forte #include "isns_protocol.h"
436cefaae1SJack Meng #include <sys/bootprops.h>
444246c8e9SJack Meng #include <sys/types.h>
454246c8e9SJack Meng #include <sys/bootconf.h>
46fcf3ce44SJohn Forte 
47fcf3ce44SJohn Forte #define	ISCSI_NAME_VERSION	"iSCSI Initiator v-1.55"
48fcf3ce44SJohn Forte 
49fcf3ce44SJohn Forte #define	MAX_GET_NAME_SIZE	1024
50fcf3ce44SJohn Forte #define	MAX_NAME_PROP_SIZE	256
51fcf3ce44SJohn Forte #define	UNDEFINED		-1
52*aff4bce5Syi zhang - Sun Microsystems - Beijing China #define	ISCSI_DISC_DELAY	2	/* seconds */
53fcf3ce44SJohn Forte 
54fcf3ce44SJohn Forte /*
55fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
56fcf3ce44SJohn Forte  * | iscsi globals                                                      |
57fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
58fcf3ce44SJohn Forte  */
59fcf3ce44SJohn Forte void		*iscsi_state;
60fcf3ce44SJohn Forte kmutex_t	iscsi_oid_mutex;
61fcf3ce44SJohn Forte uint32_t	iscsi_oid;
62fcf3ce44SJohn Forte int		iscsi_nop_delay		= ISCSI_DEFAULT_NOP_DELAY;
63fcf3ce44SJohn Forte int		iscsi_rx_window		= ISCSI_DEFAULT_RX_WINDOW;
64fcf3ce44SJohn Forte int		iscsi_rx_max_window	= ISCSI_DEFAULT_RX_MAX_WINDOW;
6530e7468fSPeter Dunlap boolean_t	iscsi_logging		= B_FALSE;
66fcf3ce44SJohn Forte 
676cefaae1SJack Meng extern ib_boot_prop_t	*iscsiboot_prop;
684246c8e9SJack Meng extern int		modrootloaded;
694246c8e9SJack Meng extern struct bootobj	rootfs;
706cefaae1SJack Meng 
71fcf3ce44SJohn Forte /*
72fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
73fcf3ce44SJohn Forte  * | iscsi.c prototypes							|
74fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
75fcf3ce44SJohn Forte  */
76fcf3ce44SJohn Forte static int iscsi_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd,
77fcf3ce44SJohn Forte     void *arg, void **result);
78fcf3ce44SJohn Forte static int iscsi_attach(dev_info_t *dip, ddi_attach_cmd_t cmd);
79fcf3ce44SJohn Forte static int iscsi_detach(dev_info_t *dip, ddi_detach_cmd_t cmd);
80fcf3ce44SJohn Forte 
81fcf3ce44SJohn Forte /* scsi_tran prototypes */
82fcf3ce44SJohn Forte static int iscsi_tran_lun_init(dev_info_t *hba_dip, dev_info_t *lun_dip,
83fcf3ce44SJohn Forte     scsi_hba_tran_t *hba_tran, struct scsi_device *sd);
84fcf3ce44SJohn Forte static int iscsi_tran_lun_probe(struct scsi_device *sd, int (*callback) ());
85fcf3ce44SJohn Forte static struct scsi_pkt *iscsi_tran_init_pkt(struct scsi_address *ap,
86fcf3ce44SJohn Forte     struct scsi_pkt *pkt, struct buf *bp, int cmdlen, int statuslen,
87fcf3ce44SJohn Forte     int tgtlen, int flags, int (*callback) (), caddr_t arg);
88fcf3ce44SJohn Forte static void iscsi_tran_lun_free(dev_info_t *hba_dip, dev_info_t *lun_dip,
89fcf3ce44SJohn Forte     scsi_hba_tran_t *hba_tran, struct scsi_device *sd);
90fcf3ce44SJohn Forte static int iscsi_tran_start(struct scsi_address *ap, struct scsi_pkt *pkt);
91fcf3ce44SJohn Forte static int iscsi_tran_abort(struct scsi_address *ap, struct scsi_pkt *pkt);
92fcf3ce44SJohn Forte static int iscsi_tran_reset(struct scsi_address *ap, int level);
93fcf3ce44SJohn Forte static int iscsi_tran_getcap(struct scsi_address *ap, char *cap, int whom);
94fcf3ce44SJohn Forte static int iscsi_tran_setcap(struct scsi_address *ap, char *cap,
95fcf3ce44SJohn Forte     int value, int whom);
96fcf3ce44SJohn Forte static void iscsi_tran_destroy_pkt(struct scsi_address *ap,
97fcf3ce44SJohn Forte     struct scsi_pkt *pkt);
98fcf3ce44SJohn Forte static void iscsi_tran_dmafree(struct scsi_address *ap,
99fcf3ce44SJohn Forte     struct scsi_pkt *pkt);
100fcf3ce44SJohn Forte static void iscsi_tran_sync_pkt(struct scsi_address *ap,
101fcf3ce44SJohn Forte     struct scsi_pkt *pkt);
102fcf3ce44SJohn Forte static void iscsi_tran_sync_pkt(struct scsi_address *ap,
103fcf3ce44SJohn Forte     struct scsi_pkt *pkt);
104fcf3ce44SJohn Forte static int iscsi_tran_reset_notify(struct scsi_address *ap, int flag,
105fcf3ce44SJohn Forte     void (*callback) (caddr_t), caddr_t arg);
106fcf3ce44SJohn Forte static int iscsi_tran_bus_config(dev_info_t *parent, uint_t flags,
107fcf3ce44SJohn Forte     ddi_bus_config_op_t op, void *arg, dev_info_t **childp);
108fcf3ce44SJohn Forte static int iscsi_tran_bus_unconfig(dev_info_t *parent, uint_t flags,
109fcf3ce44SJohn Forte     ddi_bus_config_op_t op, void *arg);
110fcf3ce44SJohn Forte static int iscsi_tran_get_name(struct scsi_device *sd, char *name, int len);
111fcf3ce44SJohn Forte static int iscsi_tran_get_bus_addr(struct scsi_device *sd, char *name, int len);
112fcf3ce44SJohn Forte 
113fcf3ce44SJohn Forte /* bus_ops prototypes */
114fcf3ce44SJohn Forte /* LINTED E_STATIC_UNUSED */
115fcf3ce44SJohn Forte static ddi_intrspec_t iscsi_get_intrspec(dev_info_t *dip, dev_info_t *rdip,
116fcf3ce44SJohn Forte     uint_t inumber);
117fcf3ce44SJohn Forte /* LINTED E_STATIC_UNUSED */
118fcf3ce44SJohn Forte static int iscsi_add_intrspec(dev_info_t *dip, dev_info_t *rdip,
119fcf3ce44SJohn Forte     ddi_intrspec_t intrspec, ddi_iblock_cookie_t *iblock_cookiep,
120fcf3ce44SJohn Forte     ddi_idevice_cookie_t *idevice_cookiep, uint_t (*int_handler)(caddr_t
121fcf3ce44SJohn Forte     int_handler_arg), caddr_t int_handler_arg, int kind);
122fcf3ce44SJohn Forte /* LINTED E_STATIC_UNUSED */
123fcf3ce44SJohn Forte static void iscsi_remove_intrspec(dev_info_t *dip, dev_info_t *rdip,
124fcf3ce44SJohn Forte     ddi_intrspec_t intrspec, ddi_iblock_cookie_t iblock_cookie);
125fcf3ce44SJohn Forte /* LINTED E_STATIC_UNUSED */
126fcf3ce44SJohn Forte static int iscsi_ctl(dev_info_t *dip, dev_info_t *rdip, ddi_ctl_enum_t ctlop,
127fcf3ce44SJohn Forte     void *arg, void *result);
128fcf3ce44SJohn Forte 
129fcf3ce44SJohn Forte /* cb_ops prototypes */
130fcf3ce44SJohn Forte static int iscsi_open(dev_t *devp, int flags, int otyp, cred_t *credp);
131fcf3ce44SJohn Forte static int iscsi_close(dev_t dev, int flag, int otyp, cred_t *credp);
1324246c8e9SJack Meng static int iscsi_ioctl(dev_t dev, int cmd, intptr_t arg, int mode,
133fcf3ce44SJohn Forte     cred_t *credp, int *rvalp);
134fcf3ce44SJohn Forte 
135fcf3ce44SJohn Forte int iscsi_get_persisted_param(uchar_t *name,
136fcf3ce44SJohn Forte     iscsi_param_get_t *ipgp,
137fcf3ce44SJohn Forte     iscsi_login_params_t *params);
138fcf3ce44SJohn Forte static void iscsi_override_target_default(iscsi_hba_t *ihp,
139fcf3ce44SJohn Forte     iscsi_param_get_t *ipg);
140fcf3ce44SJohn Forte 
141fcf3ce44SJohn Forte /* scsi_tran helpers */
142fcf3ce44SJohn Forte static int iscsi_virt_lun_init(dev_info_t *hba_dip, dev_info_t *lun_dip,
143fcf3ce44SJohn Forte     scsi_hba_tran_t *hba_tran, struct scsi_device *sd);
144fcf3ce44SJohn Forte static int iscsi_phys_lun_init(dev_info_t *hba_dip, dev_info_t *lun_dip,
145fcf3ce44SJohn Forte     scsi_hba_tran_t *hba_tran, struct scsi_device *sd);
146fcf3ce44SJohn Forte static int iscsi_i_commoncap(struct scsi_address *ap, char *cap,
147fcf3ce44SJohn Forte     int val, int lunonly, int doset);
148fcf3ce44SJohn Forte static void iscsi_get_name_to_iqn(char *name, int name_max_len);
149fcf3ce44SJohn Forte static void iscsi_get_name_from_iqn(char *name, int name_max_len);
1506cefaae1SJack Meng static boolean_t iscsi_cmp_boot_sess_oid(iscsi_hba_t *ihp, uint32_t oid);
151fcf3ce44SJohn Forte 
1524246c8e9SJack Meng /* iscsi initiator service helpers */
1534246c8e9SJack Meng static boolean_t iscsi_enter_service_zone(iscsi_hba_t *ihp, uint32_t status);
1544246c8e9SJack Meng static void iscsi_exit_service_zone(iscsi_hba_t *ihp, uint32_t status);
1554246c8e9SJack Meng static void iscsi_check_miniroot(iscsi_hba_t *ihp);
156*aff4bce5Syi zhang - Sun Microsystems - Beijing China static void iscsi_get_tunable_default(iscsi_tunable_object_t *param);
157*aff4bce5Syi zhang - Sun Microsystems - Beijing China static int iscsi_get_persisted_tunable_param(uchar_t *name,
158*aff4bce5Syi zhang - Sun Microsystems - Beijing China     iscsi_tunable_object_t *tpsg);
159*aff4bce5Syi zhang - Sun Microsystems - Beijing China static void iscsi_set_default_tunable_params(iscsi_tunable_params_t *params);
1604246c8e9SJack Meng 
161fcf3ce44SJohn Forte /* struct helpers prototypes */
162fcf3ce44SJohn Forte 
163fcf3ce44SJohn Forte /*
164fcf3ce44SJohn Forte  * At this point this driver doesn't need this structure because nothing
165fcf3ce44SJohn Forte  * is done during the open, close or ioctl. Code put in place because
166fcf3ce44SJohn Forte  * some admin related work might be done in the ioctl routine.
167fcf3ce44SJohn Forte  */
168fcf3ce44SJohn Forte static struct cb_ops iscsi_cb_ops = {
169fcf3ce44SJohn Forte 	iscsi_open,			/* open */
170fcf3ce44SJohn Forte 	iscsi_close,			/* close */
171fcf3ce44SJohn Forte 	nodev,				/* strategy */
172fcf3ce44SJohn Forte 	nodev,				/* print */
173fcf3ce44SJohn Forte 	nodev,				/* dump */
174fcf3ce44SJohn Forte 	nodev,				/* read */
175fcf3ce44SJohn Forte 	nodev,				/* write */
176fcf3ce44SJohn Forte 	iscsi_ioctl,			/* ioctl */
177fcf3ce44SJohn Forte 	nodev,				/* devmap */
178fcf3ce44SJohn Forte 	nodev,				/* mmap */
179fcf3ce44SJohn Forte 	nodev,				/* segmap */
180fcf3ce44SJohn Forte 	nochpoll,			/* poll */
181fcf3ce44SJohn Forte 	ddi_prop_op,			/* prop_op */
182fcf3ce44SJohn Forte 	NULL,				/* streamtab */
183fcf3ce44SJohn Forte 	D_NEW | D_MP | D_HOTPLUG,	/* flags */
184fcf3ce44SJohn Forte 	CB_REV,				/* cb_rev */
185fcf3ce44SJohn Forte 	nodev,				/* aread */
186fcf3ce44SJohn Forte 	nodev,				/* awrite */
187fcf3ce44SJohn Forte };
188fcf3ce44SJohn Forte 
189fcf3ce44SJohn Forte static struct dev_ops iscsi_dev_ops = {
190fcf3ce44SJohn Forte 	DEVO_REV,		/* devo_rev */
191fcf3ce44SJohn Forte 	0,			/* refcnt */
192fcf3ce44SJohn Forte 	iscsi_getinfo,		/* getinfo */
193fcf3ce44SJohn Forte 	nulldev,		/* identify */
194fcf3ce44SJohn Forte 	nulldev,		/* probe */
195fcf3ce44SJohn Forte 	iscsi_attach,		/* attach */
196fcf3ce44SJohn Forte 	iscsi_detach,		/* detach */
197fcf3ce44SJohn Forte 	nodev,			/* reset */
198fcf3ce44SJohn Forte 	&iscsi_cb_ops,		/* driver operations */
199fcf3ce44SJohn Forte 	NULL,			/* bus ops */
200fcf3ce44SJohn Forte 	NULL,			/* power management */
201edd20d23Syi zhang - Sun Microsystems - Beijing China 	ddi_quiesce_not_needed,	/* quiesce */
202fcf3ce44SJohn Forte };
203fcf3ce44SJohn Forte 
204fcf3ce44SJohn Forte static struct modldrv modldrv = {
205fcf3ce44SJohn Forte 	&mod_driverops,		/* drv_modops */
206fcf3ce44SJohn Forte 	ISCSI_NAME_VERSION,	/* drv_linkinfo */
207fcf3ce44SJohn Forte 	&iscsi_dev_ops		/* drv_dev_ops */
208fcf3ce44SJohn Forte };
209fcf3ce44SJohn Forte 
210fcf3ce44SJohn Forte static struct modlinkage modlinkage = {
211fcf3ce44SJohn Forte 	MODREV_1,		/* ml_rev */
212fcf3ce44SJohn Forte 	&modldrv,		/* ml_linkage[] */
213fcf3ce44SJohn Forte 	NULL			/* NULL termination */
214fcf3ce44SJohn Forte };
215fcf3ce44SJohn Forte 
216fcf3ce44SJohn Forte /*
217fcf3ce44SJohn Forte  * This structure is bogus. scsi_hba_attach_setup() requires, as in the kernel
218fcf3ce44SJohn Forte  * will panic if you don't pass this in to the routine, this information.
219fcf3ce44SJohn Forte  * Need to determine what the actual impact to the system is by providing
220fcf3ce44SJohn Forte  * this information if any. Since dma allocation is done in pkt_init it may
221fcf3ce44SJohn Forte  * not have any impact. These values are straight from the Writing Device
222fcf3ce44SJohn Forte  * Driver manual.
223fcf3ce44SJohn Forte  */
224fcf3ce44SJohn Forte static ddi_dma_attr_t iscsi_dma_attr = {
225fcf3ce44SJohn Forte 	DMA_ATTR_V0,	/* ddi_dma_attr version */
226fcf3ce44SJohn Forte 	0,		/* low address */
227fcf3ce44SJohn Forte 	0xffffffff,	/* high address */
228fcf3ce44SJohn Forte 	0x00ffffff,	/* counter upper bound */
229fcf3ce44SJohn Forte 	1,		/* alignment requirements */
230fcf3ce44SJohn Forte 	0x3f,		/* burst sizes */
231fcf3ce44SJohn Forte 	1,		/* minimum DMA access */
232fcf3ce44SJohn Forte 	0xffffffff,	/* maximum DMA access */
233fcf3ce44SJohn Forte 	(1 << 24) - 1,	/* segment boundary restrictions */
234fcf3ce44SJohn Forte 	1,		/* scater/gather list length */
235fcf3ce44SJohn Forte 	512,		/* device granularity */
236fcf3ce44SJohn Forte 	0		/* DMA flags */
237fcf3ce44SJohn Forte };
238fcf3ce44SJohn Forte 
239fcf3ce44SJohn Forte /*
240fcf3ce44SJohn Forte  * _init - General driver init entry
241fcf3ce44SJohn Forte  */
242fcf3ce44SJohn Forte int
243fcf3ce44SJohn Forte _init(void)
244fcf3ce44SJohn Forte {
245fcf3ce44SJohn Forte 	int rval = 0;
246fcf3ce44SJohn Forte 
247fcf3ce44SJohn Forte 	iscsi_net_init();
248fcf3ce44SJohn Forte 
249fcf3ce44SJohn Forte 	mutex_init(&iscsi_oid_mutex, NULL, MUTEX_DRIVER, NULL);
250fcf3ce44SJohn Forte 	iscsi_oid = ISCSI_INITIATOR_OID;
251fcf3ce44SJohn Forte 
252fcf3ce44SJohn Forte 	/*
253fcf3ce44SJohn Forte 	 * Set up the soft state structures. If this driver is actually
254fcf3ce44SJohn Forte 	 * being attached to the system then we'll have at least one
255fcf3ce44SJohn Forte 	 * HBA/NIC used.
256fcf3ce44SJohn Forte 	 */
257fcf3ce44SJohn Forte 	rval = ddi_soft_state_init(&iscsi_state,
258fcf3ce44SJohn Forte 	    sizeof (iscsi_hba_t), 1);
259fcf3ce44SJohn Forte 	if (rval != 0) {
260fcf3ce44SJohn Forte 		iscsi_net_fini();
261fcf3ce44SJohn Forte 		goto init_done;
262fcf3ce44SJohn Forte 	}
263fcf3ce44SJohn Forte 
264fcf3ce44SJohn Forte 	rval = scsi_hba_init(&modlinkage);
265fcf3ce44SJohn Forte 	if (rval != 0) {
266fcf3ce44SJohn Forte 		ddi_soft_state_fini(&iscsi_state);
267fcf3ce44SJohn Forte 		iscsi_net_fini();
268fcf3ce44SJohn Forte 		goto init_done;
269fcf3ce44SJohn Forte 	}
270fcf3ce44SJohn Forte 
271fcf3ce44SJohn Forte 	rval = mod_install(&modlinkage);
272fcf3ce44SJohn Forte 	if (rval != 0) {
273fcf3ce44SJohn Forte 		ddi_soft_state_fini(&iscsi_state);
274fcf3ce44SJohn Forte 		scsi_hba_fini(&modlinkage);
275fcf3ce44SJohn Forte 		iscsi_net_fini();
276fcf3ce44SJohn Forte 		goto init_done;
277fcf3ce44SJohn Forte 	}
278fcf3ce44SJohn Forte 	(void) iscsi_door_ini();
279fcf3ce44SJohn Forte 
280fcf3ce44SJohn Forte init_done:
281fcf3ce44SJohn Forte 	return (rval);
282fcf3ce44SJohn Forte }
283fcf3ce44SJohn Forte 
284fcf3ce44SJohn Forte /*
285fcf3ce44SJohn Forte  * _fini - General driver destructor entry
286fcf3ce44SJohn Forte  */
287fcf3ce44SJohn Forte int
288fcf3ce44SJohn Forte _fini(void)
289fcf3ce44SJohn Forte {
290fcf3ce44SJohn Forte 	int rval = 0;
291fcf3ce44SJohn Forte 
292fcf3ce44SJohn Forte 	rval = mod_remove(&modlinkage);
293fcf3ce44SJohn Forte 	if (rval == 0) {
294fcf3ce44SJohn Forte 		scsi_hba_fini(&modlinkage);
295fcf3ce44SJohn Forte 		ddi_soft_state_fini(&iscsi_state);
296fcf3ce44SJohn Forte 		mutex_destroy(&iscsi_oid_mutex);
297fcf3ce44SJohn Forte 		(void) iscsi_door_term();
298fcf3ce44SJohn Forte 		iscsi_net_fini();
299fcf3ce44SJohn Forte 	}
300fcf3ce44SJohn Forte 	return (rval);
301fcf3ce44SJohn Forte }
302fcf3ce44SJohn Forte 
303fcf3ce44SJohn Forte /*
304fcf3ce44SJohn Forte  * _info - General driver info entry
305fcf3ce44SJohn Forte  */
306fcf3ce44SJohn Forte int
307fcf3ce44SJohn Forte _info(struct modinfo *mp)
308fcf3ce44SJohn Forte {
309fcf3ce44SJohn Forte 	int rval = 0;
310fcf3ce44SJohn Forte 
311fcf3ce44SJohn Forte 	rval = mod_info(&modlinkage, mp);
312fcf3ce44SJohn Forte 
313fcf3ce44SJohn Forte 	return (rval);
314fcf3ce44SJohn Forte }
315fcf3ce44SJohn Forte 
316fcf3ce44SJohn Forte 
317fcf3ce44SJohn Forte /*
318fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
319fcf3ce44SJohn Forte  * | Start of dev_ops routines					  |
320fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
321fcf3ce44SJohn Forte  */
322fcf3ce44SJohn Forte 
323fcf3ce44SJohn Forte /*
324fcf3ce44SJohn Forte  * iscsi_getinfo - returns general driver information
325fcf3ce44SJohn Forte  */
326fcf3ce44SJohn Forte /* ARGSUSED */
327fcf3ce44SJohn Forte static int
328fcf3ce44SJohn Forte iscsi_getinfo(dev_info_t *dip, ddi_info_cmd_t infocmd,
329fcf3ce44SJohn Forte     void *arg, void **result)
330fcf3ce44SJohn Forte {
331fcf3ce44SJohn Forte 	int		rval		= DDI_SUCCESS;
332fcf3ce44SJohn Forte 	int		instance	= getminor((dev_t)arg);
333fcf3ce44SJohn Forte 	iscsi_hba_t	*ip;
334fcf3ce44SJohn Forte 
335fcf3ce44SJohn Forte 	switch (infocmd) {
336fcf3ce44SJohn Forte 	case DDI_INFO_DEVT2DEVINFO:
337fcf3ce44SJohn Forte 		if ((ip = ddi_get_soft_state(iscsi_state, instance)) == NULL) {
338fcf3ce44SJohn Forte 			return (DDI_FAILURE);
339fcf3ce44SJohn Forte 		}
340fcf3ce44SJohn Forte 		*result = ip->hba_dip;
341fcf3ce44SJohn Forte 		if (ip->hba_dip == NULL)
342fcf3ce44SJohn Forte 			rval = DDI_FAILURE;
343fcf3ce44SJohn Forte 		else
344fcf3ce44SJohn Forte 			rval = DDI_SUCCESS;
345fcf3ce44SJohn Forte 		break;
346fcf3ce44SJohn Forte 
347fcf3ce44SJohn Forte 	case DDI_INFO_DEVT2INSTANCE:
348fcf3ce44SJohn Forte 		*result = (void *)(uintptr_t)instance;
349fcf3ce44SJohn Forte 		rval = DDI_SUCCESS;
350fcf3ce44SJohn Forte 		break;
351fcf3ce44SJohn Forte 
352fcf3ce44SJohn Forte 	default:
353fcf3ce44SJohn Forte 		rval = DDI_FAILURE;
354fcf3ce44SJohn Forte 		break;
355fcf3ce44SJohn Forte 	}
356fcf3ce44SJohn Forte 	return (rval);
357fcf3ce44SJohn Forte }
358fcf3ce44SJohn Forte 
359fcf3ce44SJohn Forte 
360fcf3ce44SJohn Forte /*
361fcf3ce44SJohn Forte  * iscsi_attach -- Attach instance of an iSCSI HBA.  We
362fcf3ce44SJohn Forte  * will attempt to create our HBA and register it with
363fcf3ce44SJohn Forte  * scsi_vhci.  If it's not possible to create the HBA
364fcf3ce44SJohn Forte  * or register with vhci we will fail the attach.
365fcf3ce44SJohn Forte  */
366fcf3ce44SJohn Forte static int
367fcf3ce44SJohn Forte iscsi_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
368fcf3ce44SJohn Forte {
369fcf3ce44SJohn Forte 	int			rval		= DDI_SUCCESS;
370fcf3ce44SJohn Forte 	int			instance	= ddi_get_instance(dip);
371fcf3ce44SJohn Forte 	iscsi_hba_t		*ihp		= NULL;
372fcf3ce44SJohn Forte 	scsi_hba_tran_t		*tran		= NULL;
373fcf3ce44SJohn Forte 	char			init_port_name[MAX_NAME_PROP_SIZE];
374fcf3ce44SJohn Forte 
375fcf3ce44SJohn Forte 	switch (cmd) {
376fcf3ce44SJohn Forte 	case DDI_ATTACH:
377fcf3ce44SJohn Forte 		/* create iSCSH HBA devctl device node */
378fcf3ce44SJohn Forte 		if (ddi_create_minor_node(dip, ISCSI_DEVCTL, S_IFCHR, 0,
379fcf3ce44SJohn Forte 		    DDI_PSEUDO, 0) == DDI_SUCCESS) {
380fcf3ce44SJohn Forte 
381fcf3ce44SJohn Forte 			/* allocate HBA soft state */
382fcf3ce44SJohn Forte 			if (ddi_soft_state_zalloc(iscsi_state, instance) !=
383fcf3ce44SJohn Forte 			    DDI_SUCCESS) {
384fcf3ce44SJohn Forte 				ddi_remove_minor_node(dip, NULL);
385fcf3ce44SJohn Forte 				rval = DDI_FAILURE;
386fcf3ce44SJohn Forte 				break;
387fcf3ce44SJohn Forte 			}
388fcf3ce44SJohn Forte 
389fcf3ce44SJohn Forte 			/* get reference to soft state */
390fcf3ce44SJohn Forte 			if ((ihp = (iscsi_hba_t *)ddi_get_soft_state(
391fcf3ce44SJohn Forte 			    iscsi_state, instance)) == NULL) {
392fcf3ce44SJohn Forte 				ddi_remove_minor_node(dip, NULL);
393fcf3ce44SJohn Forte 				ddi_soft_state_free(iscsi_state, instance);
394fcf3ce44SJohn Forte 				rval = DDI_FAILURE;
395fcf3ce44SJohn Forte 				break;
396fcf3ce44SJohn Forte 			}
397fcf3ce44SJohn Forte 
398fcf3ce44SJohn Forte 			/* init HBA mutex used to protect discovery events */
399fcf3ce44SJohn Forte 			mutex_init(&ihp->hba_discovery_events_mutex, NULL,
400fcf3ce44SJohn Forte 			    MUTEX_DRIVER, NULL);
401fcf3ce44SJohn Forte 
40230e7468fSPeter Dunlap 			/* Get LDI ident */
40330e7468fSPeter Dunlap 			rval = ldi_ident_from_dip(dip, &ihp->hba_li);
40430e7468fSPeter Dunlap 			ASSERT(rval == 0); /* Failure indicates invalid arg */
40530e7468fSPeter Dunlap 
4064246c8e9SJack Meng 			/* init HBA mutex used to protect service status */
4074246c8e9SJack Meng 			mutex_init(&ihp->hba_service_lock, NULL,
4084246c8e9SJack Meng 			    MUTEX_DRIVER, NULL);
4094246c8e9SJack Meng 			cv_init(&ihp->hba_service_cv, NULL, CV_DRIVER, NULL);
4104246c8e9SJack Meng 
411fcf3ce44SJohn Forte 			/*
412fcf3ce44SJohn Forte 			 * init SendTargets semaphore that is used to allow
413fcf3ce44SJohn Forte 			 * only one operation at a time
414fcf3ce44SJohn Forte 			 */
415fcf3ce44SJohn Forte 			sema_init(&ihp->hba_sendtgts_semaphore, 1, NULL,
416fcf3ce44SJohn Forte 			    SEMA_DRIVER, NULL);
417fcf3ce44SJohn Forte 
418fcf3ce44SJohn Forte 			ihp->hba_sess_list = NULL;
419fcf3ce44SJohn Forte 			rw_init(&ihp->hba_sess_list_rwlock, NULL,
420fcf3ce44SJohn Forte 			    RW_DRIVER, NULL);
421fcf3ce44SJohn Forte 
422fcf3ce44SJohn Forte 			/* allocate scsi_hba_tran */
423fcf3ce44SJohn Forte 			if ((tran = scsi_hba_tran_alloc(dip, SCSI_HBA_CANSLEEP))
424fcf3ce44SJohn Forte 			    == NULL) {
425fcf3ce44SJohn Forte 				ddi_remove_minor_node(dip, NULL);
426fcf3ce44SJohn Forte 				goto iscsi_attach_failed2;
427fcf3ce44SJohn Forte 			}
428fcf3ce44SJohn Forte 
429fcf3ce44SJohn Forte 			/* soft state setup */
430fcf3ce44SJohn Forte 			ihp->hba_sig	= ISCSI_SIG_HBA;
431fcf3ce44SJohn Forte 			ihp->hba_tran	= tran;
432fcf3ce44SJohn Forte 			ihp->hba_dip	= dip;
433169c6dc4SJack Meng 			if (iscsiboot_prop == NULL) {
434169c6dc4SJack Meng 				ihp->hba_service_status =
435169c6dc4SJack Meng 				    ISCSI_SERVICE_DISABLED;
436169c6dc4SJack Meng 			} else {
437169c6dc4SJack Meng 				ihp->hba_service_status =
438169c6dc4SJack Meng 				    ISCSI_SERVICE_ENABLED;
439169c6dc4SJack Meng 			}
4404246c8e9SJack Meng 			ihp->hba_service_client_count = 0;
441fcf3ce44SJohn Forte 
442fcf3ce44SJohn Forte 			mutex_enter(&iscsi_oid_mutex);
443fcf3ce44SJohn Forte 			ihp->hba_oid		  = iscsi_oid++;
444fcf3ce44SJohn Forte 			mutex_exit(&iscsi_oid_mutex);
445fcf3ce44SJohn Forte 
446fcf3ce44SJohn Forte 			ihp->hba_name[0]	  = '\0';
447fcf3ce44SJohn Forte 			ihp->hba_name_length	  = 0;
448fcf3ce44SJohn Forte 			ihp->hba_alias_length	  = 0;
449fcf3ce44SJohn Forte 			ihp->hba_alias[0]	  = '\0';
450fcf3ce44SJohn Forte 
451fcf3ce44SJohn Forte 			iscsi_net->tweaks.rcvbuf = ddi_prop_get_int(
452fcf3ce44SJohn Forte 			    DDI_DEV_T_ANY, ihp->hba_dip, 0, "so-rcvbuf",
453fcf3ce44SJohn Forte 			    ISCSI_SOCKET_RCVBUF_SIZE);
454fcf3ce44SJohn Forte 
455fcf3ce44SJohn Forte 			iscsi_net->tweaks.sndbuf = ddi_prop_get_int(
456fcf3ce44SJohn Forte 			    DDI_DEV_T_ANY, ihp->hba_dip, 0, "so-sndbuf",
457fcf3ce44SJohn Forte 			    ISCSI_SOCKET_SNDBUF_SIZE);
458fcf3ce44SJohn Forte 
459fcf3ce44SJohn Forte 			iscsi_net->tweaks.nodelay = ddi_prop_get_int(
460fcf3ce44SJohn Forte 			    DDI_DEV_T_ANY, ihp->hba_dip, 0, "tcp-nodelay",
461fcf3ce44SJohn Forte 			    ISCSI_TCP_NODELAY_DEFAULT);
462fcf3ce44SJohn Forte 
463fcf3ce44SJohn Forte 			iscsi_net->tweaks.conn_notify_threshold =
464fcf3ce44SJohn Forte 			    ddi_prop_get_int(DDI_DEV_T_ANY,
465fcf3ce44SJohn Forte 			    ihp->hba_dip, 0, "tcp-conn-notify-threshold",
466fcf3ce44SJohn Forte 			    ISCSI_TCP_CNOTIFY_THRESHOLD_DEFAULT);
467fcf3ce44SJohn Forte 
468fcf3ce44SJohn Forte 			iscsi_net->tweaks.conn_abort_threshold =
469fcf3ce44SJohn Forte 			    ddi_prop_get_int(DDI_DEV_T_ANY, ihp->hba_dip,
470fcf3ce44SJohn Forte 			    0, "tcp-conn-abort-threshold",
471fcf3ce44SJohn Forte 			    ISCSI_TCP_CABORT_THRESHOLD_DEFAULT);
472fcf3ce44SJohn Forte 
473fcf3ce44SJohn Forte 			iscsi_net->tweaks.abort_threshold = ddi_prop_get_int(
474fcf3ce44SJohn Forte 			    DDI_DEV_T_ANY, ihp->hba_dip, 0,
475fcf3ce44SJohn Forte 			    "tcp-abort-threshold",
476fcf3ce44SJohn Forte 			    ISCSI_TCP_ABORT_THRESHOLD_DEFAULT);
477fcf3ce44SJohn Forte 
478fcf3ce44SJohn Forte 			ihp->hba_config_storm_delay = ddi_prop_get_int(
479fcf3ce44SJohn Forte 			    DDI_DEV_T_ANY, ihp->hba_dip, 0,
480fcf3ce44SJohn Forte 			    "config-storm-delay",
481fcf3ce44SJohn Forte 			    ISCSI_CONFIG_STORM_DELAY_DEFAULT);
482fcf3ce44SJohn Forte 
483fcf3ce44SJohn Forte 			(void) ddi_prop_update_int(DDI_DEV_T_NONE, ihp->hba_dip,
484fcf3ce44SJohn Forte 			    "so-rcvbuf", iscsi_net->tweaks.rcvbuf);
485fcf3ce44SJohn Forte 
486fcf3ce44SJohn Forte 			(void) ddi_prop_update_int(DDI_DEV_T_NONE, ihp->hba_dip,
487fcf3ce44SJohn Forte 			    "so-sndbuf", iscsi_net->tweaks.sndbuf);
488fcf3ce44SJohn Forte 
489fcf3ce44SJohn Forte 			(void) ddi_prop_update_int(DDI_DEV_T_NONE, ihp->hba_dip,
490fcf3ce44SJohn Forte 			    "tcp-nodelay", iscsi_net->tweaks.nodelay);
491fcf3ce44SJohn Forte 
492fcf3ce44SJohn Forte 			(void) ddi_prop_update_int(DDI_DEV_T_NONE, ihp->hba_dip,
493fcf3ce44SJohn Forte 			    "tcp-conn-notify-threshold",
494fcf3ce44SJohn Forte 			    iscsi_net->tweaks.conn_notify_threshold);
495fcf3ce44SJohn Forte 
496fcf3ce44SJohn Forte 			(void) ddi_prop_update_int(DDI_DEV_T_NONE, ihp->hba_dip,
497fcf3ce44SJohn Forte 			    "tcp-conn-abort-threshold",
498fcf3ce44SJohn Forte 			    iscsi_net->tweaks.conn_abort_threshold);
499fcf3ce44SJohn Forte 
500fcf3ce44SJohn Forte 			(void) ddi_prop_update_int(DDI_DEV_T_NONE, ihp->hba_dip,
501fcf3ce44SJohn Forte 			    "tcp-abort-threshold",
502fcf3ce44SJohn Forte 			    iscsi_net->tweaks.abort_threshold);
503fcf3ce44SJohn Forte 
504fcf3ce44SJohn Forte 			(void) ddi_prop_update_int(DDI_DEV_T_NONE, ihp->hba_dip,
505fcf3ce44SJohn Forte 			    "config-storm-delay",
506fcf3ce44SJohn Forte 			    ihp->hba_config_storm_delay);
507fcf3ce44SJohn Forte 
508fcf3ce44SJohn Forte 			/* setup hba defaults */
509fcf3ce44SJohn Forte 			iscsi_set_default_login_params(&ihp->hba_params);
510*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			iscsi_set_default_tunable_params(
511*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			    &ihp->hba_tunable_params);
512fcf3ce44SJohn Forte 
513329c9e3dSJack Meng 			/* setup minimal initiator params */
514329c9e3dSJack Meng 			iscsid_set_default_initiator_node_settings(ihp, B_TRUE);
515329c9e3dSJack Meng 
516fcf3ce44SJohn Forte 			/* hba set up */
517fcf3ce44SJohn Forte 			tran->tran_hba_private  = ihp;
518fcf3ce44SJohn Forte 			tran->tran_tgt_private  = NULL;
519fcf3ce44SJohn Forte 			tran->tran_tgt_init	= iscsi_tran_lun_init;
520fcf3ce44SJohn Forte 			tran->tran_tgt_probe	= iscsi_tran_lun_probe;
521fcf3ce44SJohn Forte 			tran->tran_tgt_free	= iscsi_tran_lun_free;
522fcf3ce44SJohn Forte 			tran->tran_start	= iscsi_tran_start;
523fcf3ce44SJohn Forte 			tran->tran_abort	= iscsi_tran_abort;
524fcf3ce44SJohn Forte 			tran->tran_reset	= iscsi_tran_reset;
525fcf3ce44SJohn Forte 			tran->tran_getcap	= iscsi_tran_getcap;
526fcf3ce44SJohn Forte 			tran->tran_setcap	= iscsi_tran_setcap;
527fcf3ce44SJohn Forte 			tran->tran_init_pkt	= iscsi_tran_init_pkt;
528fcf3ce44SJohn Forte 			tran->tran_destroy_pkt	= iscsi_tran_destroy_pkt;
529fcf3ce44SJohn Forte 			tran->tran_dmafree	= iscsi_tran_dmafree;
530fcf3ce44SJohn Forte 			tran->tran_sync_pkt	= iscsi_tran_sync_pkt;
531fcf3ce44SJohn Forte 			tran->tran_reset_notify	= iscsi_tran_reset_notify;
532fcf3ce44SJohn Forte 			tran->tran_bus_config	= iscsi_tran_bus_config;
533fcf3ce44SJohn Forte 			tran->tran_bus_unconfig	= iscsi_tran_bus_unconfig;
534fcf3ce44SJohn Forte 
535fcf3ce44SJohn Forte 			tran->tran_get_name	= iscsi_tran_get_name;
536fcf3ce44SJohn Forte 			tran->tran_get_bus_addr	= iscsi_tran_get_bus_addr;
537fcf3ce44SJohn Forte 			tran->tran_interconnect_type = INTERCONNECT_ISCSI;
538fcf3ce44SJohn Forte 
539fcf3ce44SJohn Forte 			/* register scsi hba with scsa */
540fcf3ce44SJohn Forte 			if (scsi_hba_attach_setup(dip, &iscsi_dma_attr,
541fcf3ce44SJohn Forte 			    tran, SCSI_HBA_TRAN_CLONE) != DDI_SUCCESS) {
542fcf3ce44SJohn Forte 				goto iscsi_attach_failed1;
543fcf3ce44SJohn Forte 			}
544fcf3ce44SJohn Forte 
545fcf3ce44SJohn Forte 			/* register scsi hba with mdi (MPxIO/vhci) */
546fcf3ce44SJohn Forte 			if (mdi_phci_register(MDI_HCI_CLASS_SCSI, dip, 0) !=
547fcf3ce44SJohn Forte 			    MDI_SUCCESS) {
548fcf3ce44SJohn Forte 				ihp->hba_mpxio_enabled = B_FALSE;
549fcf3ce44SJohn Forte 			} else {
550fcf3ce44SJohn Forte 				ihp->hba_mpxio_enabled = B_TRUE;
551fcf3ce44SJohn Forte 			}
552fcf3ce44SJohn Forte 
553fcf3ce44SJohn Forte 			(void) iscsi_hba_kstat_init(ihp);
554fcf3ce44SJohn Forte 
555fcf3ce44SJohn Forte 			/* Initialize targetparam list */
556fcf3ce44SJohn Forte 			iscsi_targetparam_init();
557fcf3ce44SJohn Forte 
558fcf3ce44SJohn Forte 			/* Initialize ISID */
559fcf3ce44SJohn Forte 			ihp->hba_isid[0] = ISCSI_SUN_ISID_0;
560fcf3ce44SJohn Forte 			ihp->hba_isid[1] = ISCSI_SUN_ISID_1;
561fcf3ce44SJohn Forte 			ihp->hba_isid[2] = ISCSI_SUN_ISID_2;
562fcf3ce44SJohn Forte 			ihp->hba_isid[3] = ISCSI_SUN_ISID_3;
563fcf3ce44SJohn Forte 			ihp->hba_isid[4] = ISCSI_SUN_ISID_4;
564fcf3ce44SJohn Forte 			ihp->hba_isid[5] = ISCSI_SUN_ISID_5;
565fcf3ce44SJohn Forte 
566fcf3ce44SJohn Forte 			/* Setup iSNS transport services and client */
567fcf3ce44SJohn Forte 			isns_client_init();
568fcf3ce44SJohn Forte 
569fcf3ce44SJohn Forte 			/*
5704246c8e9SJack Meng 			 * initialize persistent store,
5714246c8e9SJack Meng 			 * or boot target info in case of iscsi boot
572fcf3ce44SJohn Forte 			 */
5734246c8e9SJack Meng 			ihp->hba_persistent_loaded = B_FALSE;
5744246c8e9SJack Meng 			if (iscsid_init(ihp) == B_FALSE) {
575fcf3ce44SJohn Forte 				goto iscsi_attach_failed0;
576fcf3ce44SJohn Forte 			}
577fcf3ce44SJohn Forte 
578fcf3ce44SJohn Forte 			/* Setup init_port_name for MPAPI */
579fcf3ce44SJohn Forte 			(void) snprintf(init_port_name, MAX_NAME_PROP_SIZE,
580fcf3ce44SJohn Forte 			    "%s,%02x%02x%02x%02x%02x%02x",
581fcf3ce44SJohn Forte 			    (char *)ihp->hba_name, ihp->hba_isid[0],
582fcf3ce44SJohn Forte 			    ihp->hba_isid[1], ihp->hba_isid[2],
583fcf3ce44SJohn Forte 			    ihp->hba_isid[3], ihp->hba_isid[4],
584fcf3ce44SJohn Forte 			    ihp->hba_isid[5]);
585fcf3ce44SJohn Forte 
586fcf3ce44SJohn Forte 			if (ddi_prop_update_string(DDI_DEV_T_NONE, dip,
587fcf3ce44SJohn Forte 			    "initiator-port", init_port_name) !=
588fcf3ce44SJohn Forte 			    DDI_PROP_SUCCESS) {
589fcf3ce44SJohn Forte 				cmn_err(CE_WARN, "iscsi_attach: Creating "
590fcf3ce44SJohn Forte 				    "initiator-port property on iSCSI "
591fcf3ce44SJohn Forte 				    "HBA(%s) with dip(%d) Failed",
592fcf3ce44SJohn Forte 				    (char *)ihp->hba_name,
593fcf3ce44SJohn Forte 				    ddi_get_instance(dip));
594fcf3ce44SJohn Forte 			}
595fcf3ce44SJohn Forte 
596fcf3ce44SJohn Forte 			ddi_report_dev(dip);
597fcf3ce44SJohn Forte 		} else {
598fcf3ce44SJohn Forte 			rval = DDI_FAILURE;
599fcf3ce44SJohn Forte 		}
600fcf3ce44SJohn Forte 		break;
601fcf3ce44SJohn Forte 
602fcf3ce44SJohn Forte iscsi_attach_failed0:
603fcf3ce44SJohn Forte 		isns_client_cleanup();
604fcf3ce44SJohn Forte 		if (ihp->stats.ks) {
605fcf3ce44SJohn Forte 			(void) iscsi_hba_kstat_term(ihp);
606fcf3ce44SJohn Forte 		}
607fcf3ce44SJohn Forte 		if (ihp->hba_mpxio_enabled == B_TRUE) {
608fcf3ce44SJohn Forte 			(void) mdi_phci_unregister(dip, 0);
609fcf3ce44SJohn Forte 		}
610fcf3ce44SJohn Forte 		(void) scsi_hba_detach(ihp->hba_dip);
611fcf3ce44SJohn Forte iscsi_attach_failed1:
612fcf3ce44SJohn Forte 		ddi_remove_minor_node(dip, NULL);
613fcf3ce44SJohn Forte 		ddi_prop_remove_all(ihp->hba_dip);
614fcf3ce44SJohn Forte 		scsi_hba_tran_free(tran);
615fcf3ce44SJohn Forte iscsi_attach_failed2:
6164246c8e9SJack Meng 		cv_destroy(&ihp->hba_service_cv);
6174246c8e9SJack Meng 		mutex_destroy(&ihp->hba_service_lock);
618fcf3ce44SJohn Forte 		mutex_destroy(&ihp->hba_discovery_events_mutex);
619fcf3ce44SJohn Forte 		sema_destroy(&ihp->hba_sendtgts_semaphore);
620fcf3ce44SJohn Forte 		rw_destroy(&ihp->hba_sess_list_rwlock);
621fcf3ce44SJohn Forte 		ddi_soft_state_free(iscsi_state, instance);
622fcf3ce44SJohn Forte 		rval = DDI_FAILURE;
623fcf3ce44SJohn Forte 		break;
624fcf3ce44SJohn Forte 
625fcf3ce44SJohn Forte 	case DDI_RESUME:
626fcf3ce44SJohn Forte 		break;
627fcf3ce44SJohn Forte 
628fcf3ce44SJohn Forte 	default:
629fcf3ce44SJohn Forte 		rval = DDI_FAILURE;
630fcf3ce44SJohn Forte 	}
631fcf3ce44SJohn Forte 
632fcf3ce44SJohn Forte 	if (rval != DDI_SUCCESS) {
633fcf3ce44SJohn Forte 		cmn_err(CE_WARN, "iscsi driver unable to attach "
634fcf3ce44SJohn Forte 		    "hba instance %d", instance);
635fcf3ce44SJohn Forte 	}
636fcf3ce44SJohn Forte 
637fcf3ce44SJohn Forte 	return (rval);
638fcf3ce44SJohn Forte }
639fcf3ce44SJohn Forte 
640fcf3ce44SJohn Forte /*
641fcf3ce44SJohn Forte  * iscsi_detach - called on unload of hba instance
642fcf3ce44SJohn Forte  */
643fcf3ce44SJohn Forte static int
644fcf3ce44SJohn Forte iscsi_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
645fcf3ce44SJohn Forte {
646fcf3ce44SJohn Forte 	int			rval		= DDI_SUCCESS;
647fcf3ce44SJohn Forte 	scsi_hba_tran_t		*tran		= NULL;
648fcf3ce44SJohn Forte 	iscsi_hba_t		*ihp		= NULL;
649fcf3ce44SJohn Forte 	iscsi_hba_t		*ihp_check	= NULL;
650fcf3ce44SJohn Forte 	int			instance;
651fcf3ce44SJohn Forte 	char			*init_node_name;
652fcf3ce44SJohn Forte 
653fcf3ce44SJohn Forte 	instance = ddi_get_instance(dip);
654fcf3ce44SJohn Forte 
655fcf3ce44SJohn Forte 	switch (cmd) {
656fcf3ce44SJohn Forte 	case DDI_DETACH:
657fcf3ce44SJohn Forte 		if (!(tran = (scsi_hba_tran_t *)ddi_get_driver_private(dip))) {
658fcf3ce44SJohn Forte 			rval = DDI_SUCCESS;
659fcf3ce44SJohn Forte 			break;
660fcf3ce44SJohn Forte 		}
661fcf3ce44SJohn Forte 
662fcf3ce44SJohn Forte 		if ((ihp = (iscsi_hba_t *)tran->tran_hba_private) == NULL) {
663fcf3ce44SJohn Forte 			rval =  DDI_FAILURE;
664fcf3ce44SJohn Forte 			break;
665fcf3ce44SJohn Forte 		}
666fcf3ce44SJohn Forte 
667fcf3ce44SJohn Forte 		/*
668fcf3ce44SJohn Forte 		 * Validate that what is stored by the DDI framework is still
669fcf3ce44SJohn Forte 		 * the same state structure referenced by the SCSI framework
670fcf3ce44SJohn Forte 		 */
671fcf3ce44SJohn Forte 		ihp_check = ddi_get_soft_state(iscsi_state, instance);
672fcf3ce44SJohn Forte 		if (ihp_check != ihp) {
673fcf3ce44SJohn Forte 			rval = DDI_FAILURE;
674fcf3ce44SJohn Forte 			break;
675fcf3ce44SJohn Forte 		}
676fcf3ce44SJohn Forte 
677fcf3ce44SJohn Forte 		/* If a session exists we can't safely detach */
678fcf3ce44SJohn Forte 		rw_enter(&ihp->hba_sess_list_rwlock, RW_READER);
679fcf3ce44SJohn Forte 		if (ihp->hba_sess_list != NULL) {
680fcf3ce44SJohn Forte 			rw_exit(&ihp->hba_sess_list_rwlock);
681fcf3ce44SJohn Forte 			rval = DDI_FAILURE;
682fcf3ce44SJohn Forte 			break;
683fcf3ce44SJohn Forte 		}
684fcf3ce44SJohn Forte 		rw_exit(&ihp->hba_sess_list_rwlock);
685fcf3ce44SJohn Forte 
686fcf3ce44SJohn Forte 		/* Disable all discovery services */
687fcf3ce44SJohn Forte 		if (iscsid_disable_discovery(ihp,
688fcf3ce44SJohn Forte 		    ISCSI_ALL_DISCOVERY_METHODS) == B_FALSE) {
689fcf3ce44SJohn Forte 			/* Disable failed.  Fail detach */
690fcf3ce44SJohn Forte 			rval = DDI_FAILURE;
691fcf3ce44SJohn Forte 			break;
692fcf3ce44SJohn Forte 		}
693fcf3ce44SJohn Forte 
694fcf3ce44SJohn Forte 		/* Deregister from iSNS server(s). */
695fcf3ce44SJohn Forte 		init_node_name = kmem_zalloc(ISCSI_MAX_NAME_LEN, KM_SLEEP);
696fcf3ce44SJohn Forte 		if (persistent_initiator_name_get(init_node_name,
697fcf3ce44SJohn Forte 		    ISCSI_MAX_NAME_LEN) == B_TRUE) {
698fcf3ce44SJohn Forte 			if (strlen(init_node_name) > 0) {
699fcf3ce44SJohn Forte 				(void) isns_dereg(ihp->hba_isid,
700fcf3ce44SJohn Forte 				    (uint8_t *)init_node_name);
701fcf3ce44SJohn Forte 			}
702fcf3ce44SJohn Forte 		}
703fcf3ce44SJohn Forte 		kmem_free(init_node_name, ISCSI_MAX_NAME_LEN);
704fcf3ce44SJohn Forte 		init_node_name = NULL;
705fcf3ce44SJohn Forte 
706fcf3ce44SJohn Forte 		/* Cleanup iSNS Client */
707fcf3ce44SJohn Forte 		isns_client_cleanup();
708fcf3ce44SJohn Forte 
709fcf3ce44SJohn Forte 		iscsi_targetparam_cleanup();
710fcf3ce44SJohn Forte 
711fcf3ce44SJohn Forte 		/* Cleanup iscsid resources */
712fcf3ce44SJohn Forte 		iscsid_fini();
713fcf3ce44SJohn Forte 
714fcf3ce44SJohn Forte 		if (rval != DDI_SUCCESS) {
715fcf3ce44SJohn Forte 			break;
716fcf3ce44SJohn Forte 		}
717fcf3ce44SJohn Forte 		/* kstat hba. destroy */
718fcf3ce44SJohn Forte 		KSTAT_DEC_HBA_CNTR_SESS(ihp);
719fcf3ce44SJohn Forte 
720fcf3ce44SJohn Forte 		if (ihp->hba_mpxio_enabled == B_TRUE) {
721fcf3ce44SJohn Forte 			(void) mdi_phci_unregister(dip, 0);
722fcf3ce44SJohn Forte 		}
723fcf3ce44SJohn Forte 		ddi_remove_minor_node(dip, NULL);
724fcf3ce44SJohn Forte 
725fcf3ce44SJohn Forte 		ddi_prop_remove_all(ihp->hba_dip);
72630e7468fSPeter Dunlap 
72730e7468fSPeter Dunlap 		ldi_ident_release(ihp->hba_li);
72830e7468fSPeter Dunlap 
7294246c8e9SJack Meng 		cv_destroy(&ihp->hba_service_cv);
7304246c8e9SJack Meng 		mutex_destroy(&ihp->hba_service_lock);
731fcf3ce44SJohn Forte 		mutex_destroy(&ihp->hba_discovery_events_mutex);
732fcf3ce44SJohn Forte 		rw_destroy(&ihp->hba_sess_list_rwlock);
733fcf3ce44SJohn Forte 		(void) iscsi_hba_kstat_term(ihp);
734fcf3ce44SJohn Forte 
735fcf3ce44SJohn Forte 		(void) scsi_hba_detach(dip);
736fcf3ce44SJohn Forte 		if (tran != NULL) {
737fcf3ce44SJohn Forte 			scsi_hba_tran_free(tran);
738fcf3ce44SJohn Forte 		}
739fcf3ce44SJohn Forte 		ddi_soft_state_free(iscsi_state, instance);
740fcf3ce44SJohn Forte 		break;
741fcf3ce44SJohn Forte 	default:
742fcf3ce44SJohn Forte 		break;
743fcf3ce44SJohn Forte 	}
744fcf3ce44SJohn Forte 
745fcf3ce44SJohn Forte 	if (rval != DDI_SUCCESS) {
746fcf3ce44SJohn Forte 		cmn_err(CE_WARN, "iscsi driver unable to "
747fcf3ce44SJohn Forte 		    "detach hba instance %d", instance);
748fcf3ce44SJohn Forte 	}
749fcf3ce44SJohn Forte 
750fcf3ce44SJohn Forte 	return (rval);
751fcf3ce44SJohn Forte }
752fcf3ce44SJohn Forte 
753fcf3ce44SJohn Forte /*
754fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
755fcf3ce44SJohn Forte  * | End of dev_ops routines						|
756fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
757fcf3ce44SJohn Forte  */
758fcf3ce44SJohn Forte 
759fcf3ce44SJohn Forte /*
760fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
761fcf3ce44SJohn Forte  * | scsi_tran(9E) routines						|
762fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
763fcf3ce44SJohn Forte  */
764fcf3ce44SJohn Forte 
765fcf3ce44SJohn Forte /*
766fcf3ce44SJohn Forte  * iscsi_tran_lun_init - Find target device based on SCSI device
767fcf3ce44SJohn Forte  * Based on the information given (SCSI device, target dev_info) find
768fcf3ce44SJohn Forte  * the target iSCSI device and put a pointer to that information in
769fcf3ce44SJohn Forte  * the scsi_hba_tran_t structure.
770fcf3ce44SJohn Forte  */
771fcf3ce44SJohn Forte static int
772fcf3ce44SJohn Forte iscsi_tran_lun_init(dev_info_t *hba_dip, dev_info_t *lun_dip,
773fcf3ce44SJohn Forte     scsi_hba_tran_t *hba_tran, struct scsi_device *sd)
774fcf3ce44SJohn Forte {
775fcf3ce44SJohn Forte 	int		rval	= 0;
776fcf3ce44SJohn Forte 	int		type	= 0;
777fcf3ce44SJohn Forte 
778fcf3ce44SJohn Forte 	ASSERT(hba_tran->tran_hba_private != NULL);
779fcf3ce44SJohn Forte 
780fcf3ce44SJohn Forte 	/*
781fcf3ce44SJohn Forte 	 * Child node is getting initialized.  Look at the mpxio component
782fcf3ce44SJohn Forte 	 * type on the child device to see if this device is mpxio managed
783fcf3ce44SJohn Forte 	 * or not.
784fcf3ce44SJohn Forte 	 */
785fcf3ce44SJohn Forte 	type = mdi_get_component_type(lun_dip);
786fcf3ce44SJohn Forte 	if (type != MDI_COMPONENT_CLIENT) {
787fcf3ce44SJohn Forte 		rval = iscsi_phys_lun_init(hba_dip, lun_dip, hba_tran, sd);
788fcf3ce44SJohn Forte 	} else {
789fcf3ce44SJohn Forte 		rval = iscsi_virt_lun_init(hba_dip, lun_dip, hba_tran, sd);
790fcf3ce44SJohn Forte 	}
791fcf3ce44SJohn Forte 
792fcf3ce44SJohn Forte 	return (rval);
793fcf3ce44SJohn Forte }
794fcf3ce44SJohn Forte 
795fcf3ce44SJohn Forte /*
796fcf3ce44SJohn Forte  * iscsi_tran_lun_probe - This function didn't need to be implemented.
797fcf3ce44SJohn Forte  * We could have left NULL in the tran table.  Since this isn't a
798fcf3ce44SJohn Forte  * performance path this seems safe.  We are just wrappering the
799fcf3ce44SJohn Forte  * function so we can see the call go through if we have debugging
800fcf3ce44SJohn Forte  * enabled.
801fcf3ce44SJohn Forte  */
802fcf3ce44SJohn Forte static int
803fcf3ce44SJohn Forte iscsi_tran_lun_probe(struct scsi_device *sd, int (*callback) ())
804fcf3ce44SJohn Forte {
805fcf3ce44SJohn Forte 	int rval = 0;
806fcf3ce44SJohn Forte 
807fcf3ce44SJohn Forte 	rval = scsi_hba_probe(sd, callback);
808fcf3ce44SJohn Forte 
809fcf3ce44SJohn Forte 	return (rval);
810fcf3ce44SJohn Forte }
811fcf3ce44SJohn Forte 
812fcf3ce44SJohn Forte /*
813fcf3ce44SJohn Forte  * iscsi_init_pkt - Allocate SCSI packet and fill in required info.
814fcf3ce44SJohn Forte  */
815fcf3ce44SJohn Forte /* ARGSUSED */
816fcf3ce44SJohn Forte static struct scsi_pkt *
817fcf3ce44SJohn Forte iscsi_tran_init_pkt(struct scsi_address *ap, struct scsi_pkt *pkt,
818fcf3ce44SJohn Forte     struct buf *bp, int cmdlen, int statuslen, int tgtlen, int flags,
819fcf3ce44SJohn Forte     int (*callback) (), caddr_t arg)
820fcf3ce44SJohn Forte {
821fcf3ce44SJohn Forte 	iscsi_lun_t *ilp;
822fcf3ce44SJohn Forte 	iscsi_cmd_t *icmdp;
823fcf3ce44SJohn Forte 
824fcf3ce44SJohn Forte 	ASSERT(ap != NULL);
825fcf3ce44SJohn Forte 	ASSERT(callback == NULL_FUNC || callback == SLEEP_FUNC);
826fcf3ce44SJohn Forte 
827fcf3ce44SJohn Forte 	/*
828fcf3ce44SJohn Forte 	 * The software stack doesn't have DMA which means the iSCSI
829fcf3ce44SJohn Forte 	 * protocol layer will be doing a bcopy from bp to outgoing
830fcf3ce44SJohn Forte 	 * streams buffers. Make sure that the buffer is mapped in
831fcf3ce44SJohn Forte 	 * so that the copy won't panic the system.
832fcf3ce44SJohn Forte 	 */
8335e5f9182SJack Meng 	if (bp && (bp->b_bcount != 0) &&
8345e5f9182SJack Meng 	    bp_mapin_common(bp, (callback == NULL_FUNC) ?
835fcf3ce44SJohn Forte 	    VM_NOSLEEP : VM_SLEEP) == NULL) {
836fcf3ce44SJohn Forte 		return (NULL);
837fcf3ce44SJohn Forte 	}
838fcf3ce44SJohn Forte 
839fcf3ce44SJohn Forte 	ilp = (iscsi_lun_t *)ap->a_hba_tran->tran_tgt_private;
840fcf3ce44SJohn Forte 	ASSERT(ilp != NULL);
841fcf3ce44SJohn Forte 
842fcf3ce44SJohn Forte 	if (pkt == NULL) {
843fcf3ce44SJohn Forte 		pkt = scsi_hba_pkt_alloc(ilp->lun_sess->sess_hba->hba_dip,
844fcf3ce44SJohn Forte 		    ap, cmdlen, statuslen, tgtlen, sizeof (iscsi_cmd_t),
845fcf3ce44SJohn Forte 		    callback, arg);
846fcf3ce44SJohn Forte 		if (pkt == NULL) {
847fcf3ce44SJohn Forte 			return (NULL);
848fcf3ce44SJohn Forte 		}
849fcf3ce44SJohn Forte 		icmdp = (iscsi_cmd_t *)pkt->pkt_ha_private;
850fcf3ce44SJohn Forte 		icmdp->cmd_sig			= ISCSI_SIG_CMD;
851fcf3ce44SJohn Forte 		icmdp->cmd_state		= ISCSI_CMD_STATE_FREE;
852fcf3ce44SJohn Forte 		icmdp->cmd_lun			= ilp;
853fcf3ce44SJohn Forte 		icmdp->cmd_type			= ISCSI_CMD_TYPE_SCSI;
854fcf3ce44SJohn Forte 		/* add the report lun addressing type on to the lun */
855fcf3ce44SJohn Forte 		icmdp->cmd_un.scsi.lun		= ilp->lun_addr_type << 14;
856fcf3ce44SJohn Forte 		icmdp->cmd_un.scsi.lun		= icmdp->cmd_un.scsi.lun |
857fcf3ce44SJohn Forte 		    ilp->lun_num;
858fcf3ce44SJohn Forte 		icmdp->cmd_un.scsi.pkt		= pkt;
859fcf3ce44SJohn Forte 		icmdp->cmd_un.scsi.bp		= bp;
860fcf3ce44SJohn Forte 		icmdp->cmd_un.scsi.cmdlen	= cmdlen;
861fcf3ce44SJohn Forte 		icmdp->cmd_un.scsi.statuslen	= statuslen;
862fcf3ce44SJohn Forte 		icmdp->cmd_crc_error_seen	= B_FALSE;
863d233de7eSJack Meng 		icmdp->cmd_misc_flags		= 0;
864b4243054SSheng-Liang Eric Zhang 		if (flags & PKT_XARQ) {
865b4243054SSheng-Liang Eric Zhang 			icmdp->cmd_misc_flags |= ISCSI_CMD_MISCFLAG_XARQ;
866b4243054SSheng-Liang Eric Zhang 		}
867b4243054SSheng-Liang Eric Zhang 
86830e7468fSPeter Dunlap 
86930e7468fSPeter Dunlap 		idm_sm_audit_init(&icmdp->cmd_state_audit);
87030e7468fSPeter Dunlap 
871fcf3ce44SJohn Forte 		mutex_init(&icmdp->cmd_mutex, NULL, MUTEX_DRIVER, NULL);
872fcf3ce44SJohn Forte 		cv_init(&icmdp->cmd_completion, NULL, CV_DRIVER, NULL);
873fcf3ce44SJohn Forte 
874fcf3ce44SJohn Forte 		pkt->pkt_address		= *ap;
875fcf3ce44SJohn Forte 		pkt->pkt_comp			= (void (*)())NULL;
876fcf3ce44SJohn Forte 		pkt->pkt_flags			= 0;
877fcf3ce44SJohn Forte 		pkt->pkt_time			= 0;
878fcf3ce44SJohn Forte 		pkt->pkt_resid			= 0;
879fcf3ce44SJohn Forte 		pkt->pkt_statistics		= 0;
880fcf3ce44SJohn Forte 		pkt->pkt_reason			= 0;
881fcf3ce44SJohn Forte 	}
882fcf3ce44SJohn Forte 	return (pkt);
883fcf3ce44SJohn Forte }
884fcf3ce44SJohn Forte 
885fcf3ce44SJohn Forte /*
886fcf3ce44SJohn Forte  * iscsi_tran_lun_free - Free a SCSI LUN
887fcf3ce44SJohn Forte  */
888fcf3ce44SJohn Forte static void
889fcf3ce44SJohn Forte iscsi_tran_lun_free(dev_info_t *hba_dip, dev_info_t *lun_dip,
890fcf3ce44SJohn Forte     scsi_hba_tran_t *hba_tran, struct scsi_device *sd)
891fcf3ce44SJohn Forte {
892fcf3ce44SJohn Forte 	iscsi_lun_t *ilp = NULL;
893fcf3ce44SJohn Forte 
894fcf3ce44SJohn Forte 	ASSERT(hba_dip != NULL);
895fcf3ce44SJohn Forte 	ASSERT(lun_dip != NULL);
896fcf3ce44SJohn Forte 	ASSERT(hba_tran != NULL);
897fcf3ce44SJohn Forte 	ASSERT(sd != NULL);
898fcf3ce44SJohn Forte 	ilp = (iscsi_lun_t *)hba_tran->tran_tgt_private;
899fcf3ce44SJohn Forte 	ASSERT(ilp != NULL);
900fcf3ce44SJohn Forte 
901fcf3ce44SJohn Forte 	(void) mdi_prop_remove(ilp->lun_pip, NULL);
902fcf3ce44SJohn Forte }
903fcf3ce44SJohn Forte 
904fcf3ce44SJohn Forte /*
905fcf3ce44SJohn Forte  * iscsi_start -- Start a SCSI transaction based on the packet
906fcf3ce44SJohn Forte  * This will attempt to add the icmdp to the pending queue
907fcf3ce44SJohn Forte  * for the connection and kick the queue.  If the enqueue
908fcf3ce44SJohn Forte  * fails that means the queue is full.
909fcf3ce44SJohn Forte  */
910fcf3ce44SJohn Forte static int
911fcf3ce44SJohn Forte iscsi_tran_start(struct scsi_address *ap, struct scsi_pkt *pkt)
912fcf3ce44SJohn Forte {
913fcf3ce44SJohn Forte 	iscsi_lun_t	*ilp		= NULL;
914fcf3ce44SJohn Forte 	iscsi_sess_t	*isp		= NULL;
915fcf3ce44SJohn Forte 	iscsi_cmd_t	*icmdp		= NULL;
916fcf3ce44SJohn Forte 	uint_t		flags;
917fcf3ce44SJohn Forte 
918fcf3ce44SJohn Forte 	ASSERT(ap != NULL);
919fcf3ce44SJohn Forte 	ASSERT(pkt != NULL);
920fcf3ce44SJohn Forte 	ilp = (iscsi_lun_t *)ap->a_hba_tran->tran_tgt_private;
921fcf3ce44SJohn Forte 	isp = (iscsi_sess_t *)ilp->lun_sess;
922fcf3ce44SJohn Forte 	icmdp = (iscsi_cmd_t *)pkt->pkt_ha_private;
923fcf3ce44SJohn Forte 	flags = pkt->pkt_flags;
924fcf3ce44SJohn Forte 	ASSERT(ilp != NULL);
925fcf3ce44SJohn Forte 	ASSERT(isp != NULL);
926fcf3ce44SJohn Forte 	ASSERT(icmdp != NULL);
927fcf3ce44SJohn Forte 
928fcf3ce44SJohn Forte 	/*
929fcf3ce44SJohn Forte 	 * If the session is in the FREE state then
930fcf3ce44SJohn Forte 	 * all connections are down and retries have
931fcf3ce44SJohn Forte 	 * been exhausted.  Fail command with fatal error.
932fcf3ce44SJohn Forte 	 */
933fcf3ce44SJohn Forte 	mutex_enter(&isp->sess_state_mutex);
934fcf3ce44SJohn Forte 	if (isp->sess_state == ISCSI_SESS_STATE_FREE) {
935fcf3ce44SJohn Forte 		mutex_exit(&isp->sess_state_mutex);
936fcf3ce44SJohn Forte 		return (TRAN_FATAL_ERROR);
937fcf3ce44SJohn Forte 	}
938fcf3ce44SJohn Forte 
939fcf3ce44SJohn Forte 	/*
940fcf3ce44SJohn Forte 	 * If the session is not in LOGGED_IN then we have
941fcf3ce44SJohn Forte 	 * no connections LOGGED_IN, but we haven't exhuasted
942fcf3ce44SJohn Forte 	 * our retries.  Fail the command with busy so the
943fcf3ce44SJohn Forte 	 * caller might try again later.  Once retries are
944fcf3ce44SJohn Forte 	 * exhausted the state machine will move us to FREE.
945fcf3ce44SJohn Forte 	 */
946fcf3ce44SJohn Forte 	if (isp->sess_state != ISCSI_SESS_STATE_LOGGED_IN) {
947fcf3ce44SJohn Forte 		mutex_exit(&isp->sess_state_mutex);
948fcf3ce44SJohn Forte 		return (TRAN_BUSY);
949fcf3ce44SJohn Forte 	}
950fcf3ce44SJohn Forte 
951fcf3ce44SJohn Forte 	/*
952fcf3ce44SJohn Forte 	 * If we haven't received data from the target in the
953fcf3ce44SJohn Forte 	 * max specified period something is wrong with the
954fcf3ce44SJohn Forte 	 * transport.  Fail IO with FATAL_ERROR.
955fcf3ce44SJohn Forte 	 */
956fcf3ce44SJohn Forte 	if (isp->sess_rx_lbolt + SEC_TO_TICK(iscsi_rx_max_window) <
957fcf3ce44SJohn Forte 	    ddi_get_lbolt()) {
958fcf3ce44SJohn Forte 		mutex_exit(&isp->sess_state_mutex);
959fcf3ce44SJohn Forte 		return (TRAN_FATAL_ERROR);
960fcf3ce44SJohn Forte 	}
961fcf3ce44SJohn Forte 
962fcf3ce44SJohn Forte 	/*
963fcf3ce44SJohn Forte 	 * If we haven't received data from the target in the
964fcf3ce44SJohn Forte 	 * specified period something is probably wrong with
965fcf3ce44SJohn Forte 	 * the transport.  Just return back BUSY until either
966fcf3ce44SJohn Forte 	 * the problem is resolved of the transport fails.
967fcf3ce44SJohn Forte 	 */
968fcf3ce44SJohn Forte 	if (isp->sess_rx_lbolt + SEC_TO_TICK(iscsi_rx_window) <
969fcf3ce44SJohn Forte 	    ddi_get_lbolt()) {
970fcf3ce44SJohn Forte 		mutex_exit(&isp->sess_state_mutex);
971fcf3ce44SJohn Forte 		return (TRAN_BUSY);
972fcf3ce44SJohn Forte 	}
973fcf3ce44SJohn Forte 
974fcf3ce44SJohn Forte 
975fcf3ce44SJohn Forte 	/* reset cmd values in case upper level driver is retrying cmd */
976fcf3ce44SJohn Forte 	icmdp->cmd_prev = icmdp->cmd_next = NULL;
977fcf3ce44SJohn Forte 	icmdp->cmd_crc_error_seen = B_FALSE;
978fcf3ce44SJohn Forte 	icmdp->cmd_lbolt_pending = icmdp->cmd_lbolt_active =
979fcf3ce44SJohn Forte 	    icmdp->cmd_lbolt_aborting = icmdp->cmd_lbolt_timeout =
980fcf3ce44SJohn Forte 	    (clock_t)NULL;
981fcf3ce44SJohn Forte 	icmdp->cmd_itt = icmdp->cmd_ttt = 0;
982fcf3ce44SJohn Forte 	icmdp->cmd_un.scsi.abort_icmdp = NULL;
983fcf3ce44SJohn Forte 
984fcf3ce44SJohn Forte 	mutex_enter(&isp->sess_queue_pending.mutex);
985fcf3ce44SJohn Forte 	iscsi_cmd_state_machine(icmdp, ISCSI_CMD_EVENT_E1, isp);
986fcf3ce44SJohn Forte 	mutex_exit(&isp->sess_queue_pending.mutex);
987fcf3ce44SJohn Forte 	mutex_exit(&isp->sess_state_mutex);
988fcf3ce44SJohn Forte 
989fcf3ce44SJohn Forte 	/*
990fcf3ce44SJohn Forte 	 * If this packet doesn't have FLAG_NOINTR set, it could have
991fcf3ce44SJohn Forte 	 * already run to completion (and the memory freed) at this
992fcf3ce44SJohn Forte 	 * point, so check our local copy of pkt_flags.  Otherwise we
993fcf3ce44SJohn Forte 	 * have to wait for completion before returning to the caller.
994fcf3ce44SJohn Forte 	 */
995fcf3ce44SJohn Forte 	if (flags & FLAG_NOINTR) {
996fcf3ce44SJohn Forte 		mutex_enter(&icmdp->cmd_mutex);
997fcf3ce44SJohn Forte 		while ((icmdp->cmd_state != ISCSI_CMD_STATE_COMPLETED) ||
998fcf3ce44SJohn Forte 		    (icmdp->cmd_un.scsi.r2t_icmdp != NULL) ||
999e790cde8Sbing zhao - Sun Microsystems - Beijing China 		    (icmdp->cmd_un.scsi.abort_icmdp != NULL) ||
1000e790cde8Sbing zhao - Sun Microsystems - Beijing China 		    (icmdp->cmd_un.scsi.r2t_more == B_TRUE)) {
1001fcf3ce44SJohn Forte 			cv_wait(&icmdp->cmd_completion, &icmdp->cmd_mutex);
1002fcf3ce44SJohn Forte 		}
1003fcf3ce44SJohn Forte 		icmdp->cmd_state = ISCSI_CMD_STATE_FREE;
1004fcf3ce44SJohn Forte 		mutex_exit(&icmdp->cmd_mutex);
1005fcf3ce44SJohn Forte 	}
1006fcf3ce44SJohn Forte 
1007fcf3ce44SJohn Forte 	return (TRAN_ACCEPT);
1008fcf3ce44SJohn Forte }
1009fcf3ce44SJohn Forte 
1010fcf3ce44SJohn Forte /*
1011fcf3ce44SJohn Forte  * iscsi_tran_abort - Called when an upper level application
1012fcf3ce44SJohn Forte  * or driver wants to kill a scsi_pkt that was already sent to
1013fcf3ce44SJohn Forte  * this driver.
1014fcf3ce44SJohn Forte  */
1015fcf3ce44SJohn Forte /* ARGSUSED */
1016fcf3ce44SJohn Forte static int
1017fcf3ce44SJohn Forte iscsi_tran_abort(struct scsi_address *ap, struct scsi_pkt *pkt)
1018fcf3ce44SJohn Forte {
1019fcf3ce44SJohn Forte 	return (0);
1020fcf3ce44SJohn Forte }
1021fcf3ce44SJohn Forte 
1022fcf3ce44SJohn Forte /*
1023fcf3ce44SJohn Forte  * iscsi_tran_reset - Reset target at either BUS, TARGET, or LUN
1024fcf3ce44SJohn Forte  * level.  This will require the issuing of a task management
1025fcf3ce44SJohn Forte  * command down to the target/lun.
1026fcf3ce44SJohn Forte  */
1027fcf3ce44SJohn Forte static int
1028fcf3ce44SJohn Forte iscsi_tran_reset(struct scsi_address *ap, int level)
1029fcf3ce44SJohn Forte {
1030fcf3ce44SJohn Forte 	int		rval    = ISCSI_STATUS_INTERNAL_ERROR;
1031fcf3ce44SJohn Forte 	iscsi_sess_t	*isp    = NULL;
1032fcf3ce44SJohn Forte 	iscsi_lun_t	*ilp    = NULL;
1033fcf3ce44SJohn Forte 
1034fcf3ce44SJohn Forte 	ilp = (iscsi_lun_t *)ap->a_hba_tran->tran_tgt_private;
1035fcf3ce44SJohn Forte 	ASSERT(ilp != NULL);
1036fcf3ce44SJohn Forte 	isp = ilp->lun_sess;
1037fcf3ce44SJohn Forte 	ASSERT(isp != NULL);
1038fcf3ce44SJohn Forte 
1039fcf3ce44SJohn Forte 	switch (level) {
1040fcf3ce44SJohn Forte 	case RESET_LUN:
1041fcf3ce44SJohn Forte 		/* reset attempt will block until attempt is complete */
1042fcf3ce44SJohn Forte 		rval = iscsi_handle_reset(isp, level, ilp);
1043fcf3ce44SJohn Forte 		break;
1044fcf3ce44SJohn Forte 	case RESET_BUS:
1045fcf3ce44SJohn Forte 		/*
1046fcf3ce44SJohn Forte 		 * What are we going to realy reset the ethernet
1047fcf3ce44SJohn Forte 		 * network!?  Just fall through to a target reset.
1048fcf3ce44SJohn Forte 		 */
1049fcf3ce44SJohn Forte 	case RESET_TARGET:
1050fcf3ce44SJohn Forte 		/* reset attempt will block until attempt is complete */
1051fcf3ce44SJohn Forte 		rval = iscsi_handle_reset(isp, level, NULL);
1052fcf3ce44SJohn Forte 		break;
1053fcf3ce44SJohn Forte 	case RESET_ALL:
1054fcf3ce44SJohn Forte 	default:
1055fcf3ce44SJohn Forte 		break;
1056fcf3ce44SJohn Forte 	}
1057fcf3ce44SJohn Forte 
1058fcf3ce44SJohn Forte 	return (ISCSI_SUCCESS(rval) ? 1 : 0);
1059fcf3ce44SJohn Forte }
1060fcf3ce44SJohn Forte 
1061fcf3ce44SJohn Forte /*
1062fcf3ce44SJohn Forte  * iscsi_tran_getcap - Get target/lun capabilities.
1063fcf3ce44SJohn Forte  */
1064fcf3ce44SJohn Forte static int
1065fcf3ce44SJohn Forte iscsi_tran_getcap(struct scsi_address *ap, char *cap, int whom)
1066fcf3ce44SJohn Forte {
1067fcf3ce44SJohn Forte 	return (iscsi_i_commoncap(ap, cap, 0, whom, 0));
1068fcf3ce44SJohn Forte }
1069fcf3ce44SJohn Forte 
1070fcf3ce44SJohn Forte 
1071fcf3ce44SJohn Forte /*
1072fcf3ce44SJohn Forte  * iscsi_tran_setcap - Set target/lun capabilities.
1073fcf3ce44SJohn Forte  */
1074fcf3ce44SJohn Forte /* ARGSUSED */
1075fcf3ce44SJohn Forte static int
1076fcf3ce44SJohn Forte iscsi_tran_setcap(struct scsi_address *ap, char *cap, int value, int whom)
1077fcf3ce44SJohn Forte {
10782b79d384Sbing zhao - Sun Microsystems - Beijing China 	return (iscsi_i_commoncap(ap, cap, value, whom, 1));
1079fcf3ce44SJohn Forte }
1080fcf3ce44SJohn Forte 
1081fcf3ce44SJohn Forte 
1082fcf3ce44SJohn Forte /*
1083fcf3ce44SJohn Forte  * iscsi_tran_destroy_pkt - Clean up packet
1084fcf3ce44SJohn Forte  */
1085fcf3ce44SJohn Forte static void
1086fcf3ce44SJohn Forte iscsi_tran_destroy_pkt(struct scsi_address *ap, struct scsi_pkt *pkt)
1087fcf3ce44SJohn Forte {
1088fcf3ce44SJohn Forte 	iscsi_cmd_t	*icmdp;
1089fcf3ce44SJohn Forte 
1090fcf3ce44SJohn Forte 	icmdp = (iscsi_cmd_t *)pkt->pkt_ha_private;
1091fcf3ce44SJohn Forte 
1092fcf3ce44SJohn Forte 	ASSERT(icmdp != NULL);
1093fcf3ce44SJohn Forte 	ASSERT(icmdp->cmd_sig == ISCSI_SIG_CMD);
1094fcf3ce44SJohn Forte 	ASSERT(icmdp->cmd_state == ISCSI_CMD_STATE_FREE);
1095fcf3ce44SJohn Forte 
1096fcf3ce44SJohn Forte 	mutex_destroy(&icmdp->cmd_mutex);
1097fcf3ce44SJohn Forte 	cv_destroy(&icmdp->cmd_completion);
1098fcf3ce44SJohn Forte 	scsi_hba_pkt_free(ap, pkt);
1099fcf3ce44SJohn Forte }
1100fcf3ce44SJohn Forte 
1101fcf3ce44SJohn Forte /*
1102fcf3ce44SJohn Forte  * iscsi_tran_dmafree - This is a software driver, NO DMA
1103fcf3ce44SJohn Forte  */
1104fcf3ce44SJohn Forte /* ARGSUSED */
1105fcf3ce44SJohn Forte static void
1106fcf3ce44SJohn Forte iscsi_tran_dmafree(struct scsi_address *ap, struct scsi_pkt *pkt)
1107fcf3ce44SJohn Forte {
1108fcf3ce44SJohn Forte 	/*
1109fcf3ce44SJohn Forte 	 * The iSCSI interface doesn't deal with DMA
1110fcf3ce44SJohn Forte 	 */
1111fcf3ce44SJohn Forte }
1112fcf3ce44SJohn Forte 
1113fcf3ce44SJohn Forte /*
1114fcf3ce44SJohn Forte  * iscsi_tran_sync_pkt - This is a software driver, NO DMA
1115fcf3ce44SJohn Forte  */
1116fcf3ce44SJohn Forte /* ARGSUSED */
1117fcf3ce44SJohn Forte static void
1118fcf3ce44SJohn Forte iscsi_tran_sync_pkt(struct scsi_address *ap, struct scsi_pkt *pkt)
1119fcf3ce44SJohn Forte {
1120fcf3ce44SJohn Forte 	/*
1121fcf3ce44SJohn Forte 	 * The iSCSI interface doesn't deal with DMA
1122fcf3ce44SJohn Forte 	 */
1123fcf3ce44SJohn Forte }
1124fcf3ce44SJohn Forte 
1125fcf3ce44SJohn Forte /*
1126fcf3ce44SJohn Forte  * iscsi_tran_reset_notify - We don't support BUS_RESET so there
1127fcf3ce44SJohn Forte  * is no point in support callback.
1128fcf3ce44SJohn Forte  */
1129fcf3ce44SJohn Forte /* ARGSUSED */
1130fcf3ce44SJohn Forte static int
1131fcf3ce44SJohn Forte iscsi_tran_reset_notify(struct scsi_address *ap, int flag,
1132fcf3ce44SJohn Forte     void (*callback) (caddr_t), caddr_t arg)
1133fcf3ce44SJohn Forte {
1134fcf3ce44SJohn Forte 
1135fcf3ce44SJohn Forte 	/*
1136fcf3ce44SJohn Forte 	 * We never do BUS_RESETS so allowing this call
1137fcf3ce44SJohn Forte 	 * back to register has no point?
1138fcf3ce44SJohn Forte 	 */
1139fcf3ce44SJohn Forte 	return (DDI_SUCCESS);
1140fcf3ce44SJohn Forte }
1141fcf3ce44SJohn Forte 
1142fcf3ce44SJohn Forte 
1143fcf3ce44SJohn Forte /*
1144fcf3ce44SJohn Forte  * iscsi_tran_bus_config - on demand device configuration
1145fcf3ce44SJohn Forte  *
1146fcf3ce44SJohn Forte  * iscsi_tran_bus_config is called by the NDI layer at the completion
1147fcf3ce44SJohn Forte  * of a dev_node creation.  There are two primary cases defined in this
1148fcf3ce44SJohn Forte  * function.  The first is BUS_CONFIG_ALL.  In this case the NDI is trying
1149fcf3ce44SJohn Forte  * to identify that targets/luns are available configured at that point
1150fcf3ce44SJohn Forte  * in time.  It is safe to just complete the process succcessfully.  The
1151fcf3ce44SJohn Forte  * second case is a new case that was defined in S10 for devfs.  BUS_CONFIG_ONE
1152fcf3ce44SJohn Forte  * this is to help driver the top down discovery instead of bottom up.  If
1153fcf3ce44SJohn Forte  * we receive a BUS_CONFIG_ONE we should check to see if the <addr> exists
1154fcf3ce44SJohn Forte  * if so complete successfull processing.  Otherwise we should call the
1155fcf3ce44SJohn Forte  * deamon and see if we can plumb the <addr>.  If it is possible to plumb the
1156fcf3ce44SJohn Forte  * <addr> block until plumbing is complete.  In both cases of being able to
1157fcf3ce44SJohn Forte  * plumb <addr> or not continue with successfull processing.
1158fcf3ce44SJohn Forte  */
1159fcf3ce44SJohn Forte static int
1160fcf3ce44SJohn Forte iscsi_tran_bus_config(dev_info_t *parent, uint_t flags,
1161fcf3ce44SJohn Forte     ddi_bus_config_op_t op, void *arg, dev_info_t **childp)
1162fcf3ce44SJohn Forte {
1163fcf3ce44SJohn Forte 	int		rval	= NDI_SUCCESS;
1164fcf3ce44SJohn Forte 	iscsi_hba_t	*ihp	= NULL;
1165fcf3ce44SJohn Forte 	int		iflags	= flags;
1166fcf3ce44SJohn Forte 	char		*name	= NULL;
1167fcf3ce44SJohn Forte 	char		*ptr	= NULL;
11684246c8e9SJack Meng 	boolean_t	config_root = B_FALSE;
1169fcf3ce44SJohn Forte 
1170fcf3ce44SJohn Forte 	/* get reference to soft state */
1171fcf3ce44SJohn Forte 	ihp = (iscsi_hba_t *)ddi_get_soft_state(iscsi_state,
1172fcf3ce44SJohn Forte 	    ddi_get_instance(parent));
1173fcf3ce44SJohn Forte 	if (ihp == NULL) {
1174fcf3ce44SJohn Forte 		return (NDI_FAILURE);
1175fcf3ce44SJohn Forte 	}
1176fcf3ce44SJohn Forte 
11774246c8e9SJack Meng 	iscsi_check_miniroot(ihp);
11784246c8e9SJack Meng 	if ((modrootloaded == 0) && (iscsiboot_prop != NULL)) {
11794246c8e9SJack Meng 		config_root = B_TRUE;
11804246c8e9SJack Meng 	}
11814246c8e9SJack Meng 
11824246c8e9SJack Meng 	if (config_root == B_FALSE) {
11834246c8e9SJack Meng 		if (iscsi_client_request_service(ihp) == B_FALSE) {
11844246c8e9SJack Meng 			return (NDI_FAILURE);
11854246c8e9SJack Meng 		}
11864246c8e9SJack Meng 	}
11874246c8e9SJack Meng 
1188fcf3ce44SJohn Forte 	/* lock so only one config operation occrs */
1189fcf3ce44SJohn Forte 	sema_p(&iscsid_config_semaphore);
1190fcf3ce44SJohn Forte 
1191fcf3ce44SJohn Forte 	switch (op) {
1192fcf3ce44SJohn Forte 	case BUS_CONFIG_ONE:
1193fcf3ce44SJohn Forte 		/* parse target name out of name given */
1194fcf3ce44SJohn Forte 		if ((ptr = strchr((char *)arg, '@')) == NULL) {
1195fcf3ce44SJohn Forte 			rval = NDI_FAILURE;
1196fcf3ce44SJohn Forte 			break;
1197fcf3ce44SJohn Forte 		}
1198fcf3ce44SJohn Forte 		ptr++;		/* move past '@' */
1199fcf3ce44SJohn Forte 		name = kmem_zalloc(MAX_GET_NAME_SIZE, KM_SLEEP);
1200fcf3ce44SJohn Forte 		(void) strncpy(name, ptr, MAX_GET_NAME_SIZE);
1201fcf3ce44SJohn Forte 		/* We need to strip the LUN */
1202fcf3ce44SJohn Forte 		if ((ptr = strchr(name, ',')) == NULL) {
1203fcf3ce44SJohn Forte 			rval = NDI_FAILURE;
1204fcf3ce44SJohn Forte 			kmem_free(name, MAX_GET_NAME_SIZE);
1205fcf3ce44SJohn Forte 			name = NULL;
1206fcf3ce44SJohn Forte 			break;
1207fcf3ce44SJohn Forte 		}
1208fcf3ce44SJohn Forte 		/* We also need to strip the 4 bytes of hex TPGT */
1209fcf3ce44SJohn Forte 		ptr -= 4;
1210fcf3ce44SJohn Forte 		if (ptr <= name) {
1211fcf3ce44SJohn Forte 			rval = NDI_FAILURE;
1212fcf3ce44SJohn Forte 			kmem_free(name, MAX_GET_NAME_SIZE);
1213fcf3ce44SJohn Forte 			name = NULL;
1214fcf3ce44SJohn Forte 			break;
1215fcf3ce44SJohn Forte 		}
1216fcf3ce44SJohn Forte 		*ptr = '\0';		/* NULL terminate */
1217fcf3ce44SJohn Forte 
1218fcf3ce44SJohn Forte 		/* translate name back to original iSCSI name */
1219fcf3ce44SJohn Forte 		iscsi_get_name_to_iqn(name, MAX_GET_NAME_SIZE);
1220fcf3ce44SJohn Forte 
1221fcf3ce44SJohn Forte 		/* configure target, skip 4 byte ISID */
1222fcf3ce44SJohn Forte 		iscsid_config_one(ihp, (name+4), B_TRUE);
1223fcf3ce44SJohn Forte 
1224fcf3ce44SJohn Forte 		kmem_free(name, MAX_GET_NAME_SIZE);
1225fcf3ce44SJohn Forte 		name = NULL;
1226fcf3ce44SJohn Forte 
1227fcf3ce44SJohn Forte 		/*
1228fcf3ce44SJohn Forte 		 * DDI group instructed us to use this flag.
1229fcf3ce44SJohn Forte 		 */
1230fcf3ce44SJohn Forte 		iflags |= NDI_MDI_FALLBACK;
1231fcf3ce44SJohn Forte 		break;
1232fcf3ce44SJohn Forte 	case BUS_CONFIG_DRIVER:
1233fcf3ce44SJohn Forte 		/* FALLTHRU */
1234fcf3ce44SJohn Forte 	case BUS_CONFIG_ALL:
1235fcf3ce44SJohn Forte 		iscsid_config_all(ihp, B_TRUE);
1236fcf3ce44SJohn Forte 		break;
1237fcf3ce44SJohn Forte 	default:
1238fcf3ce44SJohn Forte 		rval = NDI_FAILURE;
1239fcf3ce44SJohn Forte 		break;
1240fcf3ce44SJohn Forte 	}
1241fcf3ce44SJohn Forte 
1242fcf3ce44SJohn Forte 	if (rval == NDI_SUCCESS) {
1243fcf3ce44SJohn Forte 		rval = ndi_busop_bus_config(parent, iflags,
1244fcf3ce44SJohn Forte 		    op, arg, childp, 0);
1245fcf3ce44SJohn Forte 	}
1246fcf3ce44SJohn Forte 	sema_v(&iscsid_config_semaphore);
1247fcf3ce44SJohn Forte 
12484246c8e9SJack Meng 	if (config_root == B_FALSE) {
12494246c8e9SJack Meng 		iscsi_client_release_service(ihp);
12504246c8e9SJack Meng 	}
12514246c8e9SJack Meng 
1252fcf3ce44SJohn Forte 	return (rval);
1253fcf3ce44SJohn Forte }
1254fcf3ce44SJohn Forte 
1255fcf3ce44SJohn Forte /*
1256fcf3ce44SJohn Forte  * iscsi_tran_bus_unconfig - on demand device unconfiguration
1257fcf3ce44SJohn Forte  *
1258fcf3ce44SJohn Forte  * Called by the os framework under low resource situations.
1259fcf3ce44SJohn Forte  * It will attempt to unload our minor nodes (logical units
1260fcf3ce44SJohn Forte  * ndi/mdi nodes).
1261fcf3ce44SJohn Forte  */
1262fcf3ce44SJohn Forte static int
1263fcf3ce44SJohn Forte iscsi_tran_bus_unconfig(dev_info_t *parent, uint_t flag,
1264fcf3ce44SJohn Forte     ddi_bus_config_op_t op, void *arg)
1265fcf3ce44SJohn Forte {
12664246c8e9SJack Meng 	int		rval = NDI_SUCCESS;
12674246c8e9SJack Meng 	iscsi_hba_t	*ihp = NULL;
12684246c8e9SJack Meng 
12694246c8e9SJack Meng 	/* get reference to soft state */
12704246c8e9SJack Meng 	ihp = (iscsi_hba_t *)ddi_get_soft_state(iscsi_state,
12714246c8e9SJack Meng 	    ddi_get_instance(parent));
12724246c8e9SJack Meng 	if (ihp == NULL) {
12734246c8e9SJack Meng 		return (NDI_FAILURE);
12744246c8e9SJack Meng 	}
12754246c8e9SJack Meng 
12764246c8e9SJack Meng 	if (iscsi_client_request_service(ihp) == B_FALSE) {
12774246c8e9SJack Meng 		return (NDI_FAILURE);
12784246c8e9SJack Meng 	}
12794246c8e9SJack Meng 
12804246c8e9SJack Meng 	rval = ndi_busop_bus_unconfig(parent, flag, op, arg);
12814246c8e9SJack Meng 
12824246c8e9SJack Meng 	iscsi_client_release_service(ihp);
12834246c8e9SJack Meng 
12844246c8e9SJack Meng 	return (rval);
1285fcf3ce44SJohn Forte }
1286fcf3ce44SJohn Forte 
1287fcf3ce44SJohn Forte 
1288fcf3ce44SJohn Forte /*
1289fcf3ce44SJohn Forte  * iscsi_tran_get_name - create private /devices name for LUN
1290fcf3ce44SJohn Forte  *
1291fcf3ce44SJohn Forte  * This creates the <addr> in /devices/iscsi/<driver>@<addr>
1292fcf3ce44SJohn Forte  * path.  For this <addr> we return the <session/target_name>,<lun num>
1293fcf3ce44SJohn Forte  * Where <target_name> is an <iqn/eui/...> as defined by the iSCSI
1294fcf3ce44SJohn Forte  * specification.  We do modify the name slightly so that it still
1295fcf3ce44SJohn Forte  * complies with the IEEE <addr> naming scheme.  This means that we
1296fcf3ce44SJohn Forte  * will substitute out the ':', '@', ... and other reserved characters
1297fcf3ce44SJohn Forte  * defined in the IEEE definition with '%<hex value of special char>'
1298fcf3ce44SJohn Forte  * This routine is indirectly called by iscsi_lun_create_xxx.  These
1299fcf3ce44SJohn Forte  * calling routines must prevent the session and lun lists from changing
1300fcf3ce44SJohn Forte  * during this routine.
1301fcf3ce44SJohn Forte  */
1302fcf3ce44SJohn Forte static int
1303fcf3ce44SJohn Forte iscsi_tran_get_name(struct scsi_device *sd, char *name, int len)
1304fcf3ce44SJohn Forte {
1305fcf3ce44SJohn Forte 	int		target		= 0;
1306fcf3ce44SJohn Forte 	int		lun		= 0;
1307fcf3ce44SJohn Forte 	iscsi_hba_t	*ihp		= NULL;
1308fcf3ce44SJohn Forte 	iscsi_sess_t	*isp		= NULL;
1309fcf3ce44SJohn Forte 	iscsi_lun_t	*ilp		= NULL;
1310fcf3ce44SJohn Forte 	dev_info_t	*lun_dip	= NULL;
1311fcf3ce44SJohn Forte 
1312fcf3ce44SJohn Forte 	ASSERT(sd != NULL);
1313fcf3ce44SJohn Forte 	ASSERT(name != NULL);
1314fcf3ce44SJohn Forte 	lun_dip = sd->sd_dev;
1315fcf3ce44SJohn Forte 	ASSERT(lun_dip != NULL);
1316fcf3ce44SJohn Forte 
1317fcf3ce44SJohn Forte 	/* get reference to soft state */
1318fcf3ce44SJohn Forte 	ihp = (iscsi_hba_t *)ddi_get_soft_state(iscsi_state,
1319fcf3ce44SJohn Forte 	    ddi_get_instance(ddi_get_parent(lun_dip)));
1320fcf3ce44SJohn Forte 	if (ihp == NULL) {
1321fcf3ce44SJohn Forte 		name[0] = '\0';
1322fcf3ce44SJohn Forte 		return (0);
1323fcf3ce44SJohn Forte 	}
1324fcf3ce44SJohn Forte 
1325fcf3ce44SJohn Forte 	/* Get the target num */
1326fcf3ce44SJohn Forte 	target = ddi_prop_get_int(DDI_DEV_T_ANY, sd->sd_dev,
1327fcf3ce44SJohn Forte 	    DDI_PROP_DONTPASS, TARGET_PROP, 0);
1328fcf3ce44SJohn Forte 
1329fcf3ce44SJohn Forte 	/* Get the target num */
1330fcf3ce44SJohn Forte 	lun = ddi_prop_get_int(DDI_DEV_T_ANY, sd->sd_dev,
1331fcf3ce44SJohn Forte 	    DDI_PROP_DONTPASS, LUN_PROP, 0);
1332fcf3ce44SJohn Forte 
1333fcf3ce44SJohn Forte 	/*
1334fcf3ce44SJohn Forte 	 * Now we need to find our ilp by walking the lists
1335fcf3ce44SJohn Forte 	 * off the ihp and isp.
1336fcf3ce44SJohn Forte 	 */
1337fcf3ce44SJohn Forte 	/* See if we already created this session */
1338fcf3ce44SJohn Forte 
1339fcf3ce44SJohn Forte 	/* Walk the HBA's session list */
1340fcf3ce44SJohn Forte 	for (isp = ihp->hba_sess_list; isp; isp = isp->sess_next) {
1341fcf3ce44SJohn Forte 		/* compare target name as the unique identifier */
1342fcf3ce44SJohn Forte 		if (target == isp->sess_oid) {
1343fcf3ce44SJohn Forte 			/* found match */
1344fcf3ce44SJohn Forte 			break;
1345fcf3ce44SJohn Forte 		}
1346fcf3ce44SJohn Forte 	}
1347fcf3ce44SJohn Forte 
1348fcf3ce44SJohn Forte 	/* If we found matching session continue searching for tgt */
1349fcf3ce44SJohn Forte 	if (isp == NULL) {
1350fcf3ce44SJohn Forte 		/* sess not found */
1351fcf3ce44SJohn Forte 		name[0] = '\0';
1352fcf3ce44SJohn Forte 		return (0);
1353fcf3ce44SJohn Forte 	}
1354fcf3ce44SJohn Forte 
1355fcf3ce44SJohn Forte 	/*
1356fcf3ce44SJohn Forte 	 * Search for the matching iscsi lun structure.  We don't
1357fcf3ce44SJohn Forte 	 * need to hold the READER for the lun list at this point.
1358fcf3ce44SJohn Forte 	 * because the tran_get_name is being called from the online
1359fcf3ce44SJohn Forte 	 * function which is already holding a reader on the lun
1360fcf3ce44SJohn Forte 	 * list.
1361fcf3ce44SJohn Forte 	 */
1362fcf3ce44SJohn Forte 	for (ilp = isp->sess_lun_list; ilp; ilp = ilp->lun_next) {
1363fcf3ce44SJohn Forte 		if (lun == ilp->lun_num) {
1364fcf3ce44SJohn Forte 			/* found match */
1365fcf3ce44SJohn Forte 			break;
1366fcf3ce44SJohn Forte 		}
1367fcf3ce44SJohn Forte 	}
1368fcf3ce44SJohn Forte 
1369fcf3ce44SJohn Forte 	if (ilp == NULL) {
1370fcf3ce44SJohn Forte 		/* tgt not found */
1371fcf3ce44SJohn Forte 		name[0] = '\0';
1372fcf3ce44SJohn Forte 		return (0);
1373fcf3ce44SJohn Forte 	}
1374fcf3ce44SJohn Forte 
1375fcf3ce44SJohn Forte 	/* Ensure enough space for lun_addr is available */
1376fcf3ce44SJohn Forte 	ASSERT(ilp->lun_addr != NULL);
1377fcf3ce44SJohn Forte 	if ((strlen(ilp->lun_addr) + 1) > len) {
1378fcf3ce44SJohn Forte 		return (0);
1379fcf3ce44SJohn Forte 	}
1380fcf3ce44SJohn Forte 
1381fcf3ce44SJohn Forte 	/* copy lun_addr name */
1382fcf3ce44SJohn Forte 	(void) strcpy(name, ilp->lun_addr);
1383fcf3ce44SJohn Forte 
1384fcf3ce44SJohn Forte 	/*
1385fcf3ce44SJohn Forte 	 * Based on IEEE-1275 we can't have any ':', ' ', '@', or '/'
1386fcf3ce44SJohn Forte 	 * characters in our naming.  So replace all those characters
1387fcf3ce44SJohn Forte 	 * with '-'
1388fcf3ce44SJohn Forte 	 */
1389fcf3ce44SJohn Forte 	iscsi_get_name_from_iqn(name, len);
1390fcf3ce44SJohn Forte 
1391fcf3ce44SJohn Forte 	return (1);
1392fcf3ce44SJohn Forte }
1393fcf3ce44SJohn Forte 
1394fcf3ce44SJohn Forte /*
1395fcf3ce44SJohn Forte  * iscsi_tran_get_bus_addr - This returns a human readable string
1396fcf3ce44SJohn Forte  * for the bus address.  Examining most other drivers fcp, etc.  They
1397fcf3ce44SJohn Forte  * all just return the same string as tran_get_name.  In our case
1398fcf3ce44SJohn Forte  * our tran get name is already some what usable so leave alone.
1399fcf3ce44SJohn Forte  */
1400fcf3ce44SJohn Forte static int
1401fcf3ce44SJohn Forte iscsi_tran_get_bus_addr(struct scsi_device *sd, char *name, int len)
1402fcf3ce44SJohn Forte {
1403fcf3ce44SJohn Forte 	return (iscsi_tran_get_name(sd, name, len));
1404fcf3ce44SJohn Forte }
1405fcf3ce44SJohn Forte 
1406fcf3ce44SJohn Forte 
1407fcf3ce44SJohn Forte /*
1408fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
1409fcf3ce44SJohn Forte  * | End of scsi_tran routines					  |
1410fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
1411fcf3ce44SJohn Forte  */
1412fcf3ce44SJohn Forte 
1413fcf3ce44SJohn Forte /*
1414fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
1415fcf3ce44SJohn Forte  * | Start of cb_ops routines					   |
1416fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
1417fcf3ce44SJohn Forte  */
1418fcf3ce44SJohn Forte 
1419fcf3ce44SJohn Forte /*
1420fcf3ce44SJohn Forte  * iscsi_open - Driver should be made IOCTL MT safe.  Otherwise
1421fcf3ce44SJohn Forte  * this function needs updated.
1422fcf3ce44SJohn Forte  */
1423fcf3ce44SJohn Forte /* ARGSUSED */
1424fcf3ce44SJohn Forte static int
1425fcf3ce44SJohn Forte iscsi_open(dev_t *devp, int flags, int otyp, cred_t *credp)
1426fcf3ce44SJohn Forte {
1427fcf3ce44SJohn Forte 	return (0);
1428fcf3ce44SJohn Forte }
1429fcf3ce44SJohn Forte 
1430fcf3ce44SJohn Forte /*
1431fcf3ce44SJohn Forte  * iscsi_close -
1432fcf3ce44SJohn Forte  */
1433fcf3ce44SJohn Forte /* ARGSUSED */
1434fcf3ce44SJohn Forte static int
1435fcf3ce44SJohn Forte iscsi_close(dev_t dev, int flags, int otyp, cred_t *credp)
1436fcf3ce44SJohn Forte {
1437fcf3ce44SJohn Forte 	return (0);
1438fcf3ce44SJohn Forte }
1439fcf3ce44SJohn Forte 
1440fcf3ce44SJohn Forte /*
1441fcf3ce44SJohn Forte  * iscsi_ioctl -
1442fcf3ce44SJohn Forte  */
1443fcf3ce44SJohn Forte /* ARGSUSED */
14444246c8e9SJack Meng static int
1445fcf3ce44SJohn Forte iscsi_ioctl(dev_t dev, int cmd, intptr_t arg, int mode,
1446fcf3ce44SJohn Forte     cred_t *credp, int *rvalp)
1447fcf3ce44SJohn Forte {
1448fcf3ce44SJohn Forte 	int			rtn		= 0;
1449fcf3ce44SJohn Forte 	int			instance	= 0;
1450fcf3ce44SJohn Forte 	int			list_space	= 0;
1451fcf3ce44SJohn Forte 	int			lun_sz		= 0;
1452fcf3ce44SJohn Forte 	int			did;
1453c21c6c26Syi zhang - Sun Microsystems - Beijing China 	int			retry;
1454fcf3ce44SJohn Forte 	iscsi_hba_t		*ihp		= NULL;
1455fcf3ce44SJohn Forte 	iscsi_sess_t		*isp		= NULL;
1456fcf3ce44SJohn Forte 	iscsi_conn_t		*icp		= NULL;
1457fcf3ce44SJohn Forte 	iscsi_login_params_t	*params		= NULL;
1458fcf3ce44SJohn Forte 	iscsi_login_params_t	*tmpParams	= NULL;
1459fcf3ce44SJohn Forte 	uchar_t			*name		= NULL;
1460fcf3ce44SJohn Forte 	dev_info_t		*lun_dip	= NULL;
1461fcf3ce44SJohn Forte 
1462fcf3ce44SJohn Forte 	entry_t			    e;
1463fcf3ce44SJohn Forte 	iscsi_oid_t		    oid;
1464fcf3ce44SJohn Forte 	iscsi_property_t	    *ipp;
1465fcf3ce44SJohn Forte 	iscsi_static_property_t	    *ispp;
1466fcf3ce44SJohn Forte 	iscsi_param_get_t	    *ilg;
1467fcf3ce44SJohn Forte 	iscsi_param_set_t	    *ils;
1468fcf3ce44SJohn Forte 	iscsi_target_list_t	    idl, *idlp		= NULL;
1469fcf3ce44SJohn Forte 	iscsi_addr_list_t	    ial, *ialp		= NULL;
1470fcf3ce44SJohn Forte 	iscsi_chap_props_t	    *chap		= NULL;
1471fcf3ce44SJohn Forte 	iscsi_radius_props_t	    *radius		= NULL;
1472fcf3ce44SJohn Forte 	iscsi_auth_props_t	    *auth		= NULL;
1473fcf3ce44SJohn Forte 	iscsi_lun_list_t	    *ll, *llp		= NULL;
1474fcf3ce44SJohn Forte 	iscsi_lun_props_t	    *lun		= NULL;
1475fcf3ce44SJohn Forte 	iscsi_lun_t		    *ilp 		= NULL;
1476fcf3ce44SJohn Forte 	iSCSIDiscoveryMethod_t	    method;
1477fcf3ce44SJohn Forte 	iSCSIDiscoveryProperties_t  discovery_props;
1478fcf3ce44SJohn Forte 	iscsi_uscsi_t		    iu;
1479fcf3ce44SJohn Forte 	iscsi_uscsi_t		    iu_caller;
1480fcf3ce44SJohn Forte #ifdef _MULTI_DATAMODEL
1481fcf3ce44SJohn Forte 	/* For use when a 32 bit app makes a call into a 64 bit ioctl */
1482fcf3ce44SJohn Forte 	iscsi_uscsi32_t		    iu32_caller;
1483fcf3ce44SJohn Forte 	model_t			    model;
1484fcf3ce44SJohn Forte #endif /* _MULTI_DATAMODEL */
1485fcf3ce44SJohn Forte 	void			    *void_p;
1486fcf3ce44SJohn Forte 	iscsi_sendtgts_list_t	*stl_hdr;
1487fcf3ce44SJohn Forte 	iscsi_sendtgts_list_t	*istl;
1488fcf3ce44SJohn Forte 	int			stl_sz;
1489fcf3ce44SJohn Forte 	iscsi_target_entry_t	*target;
1490fcf3ce44SJohn Forte 	uint32_t		old_oid;
1491fcf3ce44SJohn Forte 	uint32_t		target_oid;
1492fcf3ce44SJohn Forte 	iscsi_targetparam_entry_t *curr_entry;
1493fcf3ce44SJohn Forte 	char			*initiator_node_name;
1494fcf3ce44SJohn Forte 	char			*initiator_node_alias;
1495fcf3ce44SJohn Forte 	isns_portal_group_list_t    *pg_list = NULL;
1496fcf3ce44SJohn Forte 	isns_server_portal_group_list_t    *server_pg_list_hdr = NULL;
1497fcf3ce44SJohn Forte 	isns_server_portal_group_list_t    *server_pg_list = NULL;
1498fcf3ce44SJohn Forte 	int			pg_list_sz, pg_sz_copy_out, server_pg_list_sz;
1499fcf3ce44SJohn Forte 	iscsi_config_sess_t	*ics;
1500fcf3ce44SJohn Forte 	int			size;
1501fcf3ce44SJohn Forte 	boolean_t		rval;
1502fcf3ce44SJohn Forte 	char			init_port_name[MAX_NAME_PROP_SIZE];
1503fcf3ce44SJohn Forte 	iscsi_sockaddr_t	addr_dsc;
15046cefaae1SJack Meng 	iscsi_boot_property_t	*bootProp;
1505b4243054SSheng-Liang Eric Zhang 	boolean_t		discovered = B_TRUE;
1506*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	iscsi_tunable_object_t	*tpsg;
1507*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	iscsi_tunable_object_t	*tpss;
1508fcf3ce44SJohn Forte 
1509fcf3ce44SJohn Forte 	instance = getminor(dev);
1510fcf3ce44SJohn Forte 	ihp = (iscsi_hba_t *)ddi_get_soft_state(iscsi_state, instance);
1511fcf3ce44SJohn Forte 	if (ihp == NULL)
1512fcf3ce44SJohn Forte 		return (EFAULT);
1513fcf3ce44SJohn Forte 
15144246c8e9SJack Meng 	iscsi_check_miniroot(ihp);
15154246c8e9SJack Meng 	if ((cmd != ISCSI_SMF_ONLINE) && (cmd != ISCSI_SMF_OFFLINE) &&
15164246c8e9SJack Meng 	    (cmd != ISCSI_SMF_GET)) {
15174246c8e9SJack Meng 		/* other cmd needs to acquire the service */
15184246c8e9SJack Meng 		if (iscsi_client_request_service(ihp) == B_FALSE) {
15194246c8e9SJack Meng 			return (EFAULT);
15204246c8e9SJack Meng 		}
15214246c8e9SJack Meng 	}
15224246c8e9SJack Meng 
1523fcf3ce44SJohn Forte 	switch (cmd) {
1524fcf3ce44SJohn Forte 	/*
1525fcf3ce44SJohn Forte 	 * ISCSI_CREATE_OID - Create a Object IDentifier for a TargetName
1526fcf3ce44SJohn Forte 	 */
1527fcf3ce44SJohn Forte 	case ISCSI_CREATE_OID:
1528fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, &oid, sizeof (oid), mode)) {
1529fcf3ce44SJohn Forte 			rtn = EFAULT;
1530fcf3ce44SJohn Forte 			break;
1531fcf3ce44SJohn Forte 		}
1532fcf3ce44SJohn Forte 		if (oid.o_vers != ISCSI_INTERFACE_VERSION) {
1533fcf3ce44SJohn Forte 			rtn = EINVAL;
1534fcf3ce44SJohn Forte 			break;
1535fcf3ce44SJohn Forte 		}
1536fcf3ce44SJohn Forte 
1537fcf3ce44SJohn Forte 		/* Set the target that this session is associated with */
1538fcf3ce44SJohn Forte 		oid.o_oid = iscsi_targetparam_get_oid(oid.o_name);
1539fcf3ce44SJohn Forte 
1540fcf3ce44SJohn Forte 		if (ddi_copyout(&oid, (caddr_t)arg, sizeof (oid), mode)) {
1541fcf3ce44SJohn Forte 			rtn = EFAULT;
1542fcf3ce44SJohn Forte 			break;
1543fcf3ce44SJohn Forte 		}
1544fcf3ce44SJohn Forte 		break;
1545fcf3ce44SJohn Forte 	/*
1546fcf3ce44SJohn Forte 	 * ISCSI_PARAM_GET - Get param for specified
1547fcf3ce44SJohn Forte 	 * connection/session.
1548fcf3ce44SJohn Forte 	 */
1549fcf3ce44SJohn Forte 	case ISCSI_PARAM_GET:
1550fcf3ce44SJohn Forte 		/* copyin user args */
1551fcf3ce44SJohn Forte 		ilg = (iscsi_param_get_t *)kmem_alloc(sizeof (*ilg), KM_SLEEP);
1552fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, ilg, sizeof (*ilg), mode)) {
1553fcf3ce44SJohn Forte 			rtn = EFAULT;
1554fcf3ce44SJohn Forte 			kmem_free(ilg, sizeof (*ilg));
1555fcf3ce44SJohn Forte 			break;
1556fcf3ce44SJohn Forte 		}
1557fcf3ce44SJohn Forte 
1558fcf3ce44SJohn Forte 		if (ilg->g_vers != ISCSI_INTERFACE_VERSION) {
1559fcf3ce44SJohn Forte 			rtn = EINVAL;
1560fcf3ce44SJohn Forte 			kmem_free(ilg, sizeof (*ilg));
1561fcf3ce44SJohn Forte 			break;
1562fcf3ce44SJohn Forte 		}
1563fcf3ce44SJohn Forte 
1564fcf3ce44SJohn Forte 		/* handle special case for Initiator name */
1565fcf3ce44SJohn Forte 		if (ilg->g_param == ISCSI_LOGIN_PARAM_INITIATOR_NAME) {
1566fcf3ce44SJohn Forte 			(void) strlcpy((char *)ilg->g_value.v_name,
1567fcf3ce44SJohn Forte 			    (char *)ihp->hba_name, ISCSI_MAX_NAME_LEN);
1568fcf3ce44SJohn Forte 		} else if (ilg->g_param == ISCSI_LOGIN_PARAM_INITIATOR_ALIAS) {
1569fcf3ce44SJohn Forte 			if (ihp->hba_alias_length == 0) {
1570fcf3ce44SJohn Forte 				rtn = EINVAL;
1571fcf3ce44SJohn Forte 			} else {
1572fcf3ce44SJohn Forte 				(void) strlcpy((char *)ilg->g_value.v_name,
1573fcf3ce44SJohn Forte 				    (char *)ihp->hba_alias, ISCSI_MAX_NAME_LEN);
1574fcf3ce44SJohn Forte 			}
1575fcf3ce44SJohn Forte 		} else {
1576fcf3ce44SJohn Forte 			/* To describe the validity of the requested param */
1577fcf3ce44SJohn Forte 			boolean_t valid_flag = B_TRUE;
1578fcf3ce44SJohn Forte 
1579fcf3ce44SJohn Forte 			name = NULL;
1580fcf3ce44SJohn Forte 
1581fcf3ce44SJohn Forte 			/*
1582fcf3ce44SJohn Forte 			 * switch login based if looking for initiator
1583fcf3ce44SJohn Forte 			 * params
1584fcf3ce44SJohn Forte 			 */
1585fcf3ce44SJohn Forte 			rw_enter(&ihp->hba_sess_list_rwlock, RW_READER);
1586fcf3ce44SJohn Forte 			if (ilg->g_oid == ihp->hba_oid) {
1587fcf3ce44SJohn Forte 				/* initiator */
1588fcf3ce44SJohn Forte 				params = &ihp->hba_params;
1589fcf3ce44SJohn Forte 				name = ihp->hba_name;
1590fcf3ce44SJohn Forte 				if (iscsi_get_persisted_param(name,
1591fcf3ce44SJohn Forte 				    ilg, params) != 0) {
1592fcf3ce44SJohn Forte 					valid_flag = B_FALSE;
1593fcf3ce44SJohn Forte 				}
1594fcf3ce44SJohn Forte 			} else {
1595fcf3ce44SJohn Forte 				/*
1596fcf3ce44SJohn Forte 				 * If the oid does represent a session check
1597fcf3ce44SJohn Forte 				 * to see if it is a target oid.  If so,
1598fcf3ce44SJohn Forte 				 * return the target's associated session.
1599fcf3ce44SJohn Forte 				 */
1600fcf3ce44SJohn Forte 				rtn = iscsi_sess_get(ilg->g_oid, ihp, &isp);
1601fcf3ce44SJohn Forte 				if (rtn != 0) {
1602fcf3ce44SJohn Forte 					rtn = iscsi_sess_get_by_target(
1603fcf3ce44SJohn Forte 					    ilg->g_oid, ihp, &isp);
1604fcf3ce44SJohn Forte 				}
1605fcf3ce44SJohn Forte 
1606fcf3ce44SJohn Forte 				/*
1607fcf3ce44SJohn Forte 				 * If rtn is zero then we have found an
1608fcf3ce44SJohn Forte 				 * existing session.  Use the session name to
1609fcf3ce44SJohn Forte 				 * do param lookup.  If rtn is non-zero then
1610fcf3ce44SJohn Forte 				 * create a targetparam object and use its name
1611fcf3ce44SJohn Forte 				 * for param lookup.
1612fcf3ce44SJohn Forte 				 */
1613fcf3ce44SJohn Forte 				if (rtn == 0) {
1614fcf3ce44SJohn Forte 					name = isp->sess_name;
1615fcf3ce44SJohn Forte 					params = &isp->sess_params;
1616fcf3ce44SJohn Forte 				} else {
1617fcf3ce44SJohn Forte 					name =
1618fcf3ce44SJohn Forte 					    iscsi_targetparam_get_name(
1619fcf3ce44SJohn Forte 					    ilg->g_oid);
1620fcf3ce44SJohn Forte 					if (ilg->g_param_type ==
1621fcf3ce44SJohn Forte 					    ISCSI_SESS_PARAM) {
1622fcf3ce44SJohn Forte 						tmpParams =
1623fcf3ce44SJohn Forte 						    (iscsi_login_params_t *)
1624fcf3ce44SJohn Forte 						    kmem_alloc(
1625fcf3ce44SJohn Forte 						    sizeof (*tmpParams),
1626fcf3ce44SJohn Forte 						    KM_SLEEP);
1627fcf3ce44SJohn Forte 						params = tmpParams;
1628fcf3ce44SJohn Forte 					}
1629fcf3ce44SJohn Forte 					rtn = 0;
1630fcf3ce44SJohn Forte 				}
1631fcf3ce44SJohn Forte 
1632fcf3ce44SJohn Forte 				if (name == NULL) {
1633fcf3ce44SJohn Forte 					rw_exit(
1634fcf3ce44SJohn Forte 					    &ihp->hba_sess_list_rwlock);
1635fcf3ce44SJohn Forte 					rtn = EFAULT;
1636fcf3ce44SJohn Forte 					kmem_free(ilg, sizeof (*ilg));
1637fcf3ce44SJohn Forte 					if (tmpParams != NULL)
1638fcf3ce44SJohn Forte 						kmem_free(tmpParams,
1639fcf3ce44SJohn Forte 						    sizeof (*tmpParams));
1640fcf3ce44SJohn Forte 
1641fcf3ce44SJohn Forte 					break;
1642fcf3ce44SJohn Forte 				}
1643fcf3ce44SJohn Forte 
1644fcf3ce44SJohn Forte 				if (ilg->g_param_type == ISCSI_SESS_PARAM) {
1645fcf3ce44SJohn Forte 					/* session */
1646fcf3ce44SJohn Forte 					/*
1647fcf3ce44SJohn Forte 					 * Update sess_params with the
1648fcf3ce44SJohn Forte 					 * latest params from the
1649fcf3ce44SJohn Forte 					 * persistent store.
1650fcf3ce44SJohn Forte 					 */
1651fcf3ce44SJohn Forte 					if (iscsi_get_persisted_param(name,
1652fcf3ce44SJohn Forte 					    ilg, params) != 0) {
1653fcf3ce44SJohn Forte 						/*
1654fcf3ce44SJohn Forte 						 * If the parameter in
1655fcf3ce44SJohn Forte 						 * question is not
1656fcf3ce44SJohn Forte 						 * overriden, no effect
1657fcf3ce44SJohn Forte 						 * on existing session
1658fcf3ce44SJohn Forte 						 * parameters. However,
1659fcf3ce44SJohn Forte 						 * the parameter is
1660fcf3ce44SJohn Forte 						 * marked invalid
1661fcf3ce44SJohn Forte 						 * (from the standpoint
1662fcf3ce44SJohn Forte 						 * of whether it is
1663fcf3ce44SJohn Forte 						 * overriden).
1664fcf3ce44SJohn Forte 						 */
1665fcf3ce44SJohn Forte 						valid_flag = B_FALSE;
1666fcf3ce44SJohn Forte 					}
1667fcf3ce44SJohn Forte 				} else if (ilg->g_param_type ==
1668fcf3ce44SJohn Forte 				    ISCSI_CONN_PARAM && isp != NULL) {
1669fcf3ce44SJohn Forte 					/* connection */
1670fcf3ce44SJohn Forte 					rw_enter(&isp->sess_conn_list_rwlock,
1671fcf3ce44SJohn Forte 					    RW_READER);
1672fcf3ce44SJohn Forte 					/* Assuming 1 conn per sess. */
1673fcf3ce44SJohn Forte 					/*
1674fcf3ce44SJohn Forte 					 * MC/S - Need to be modified to
1675fcf3ce44SJohn Forte 					 * take g_conn_cid into account when
1676fcf3ce44SJohn Forte 					 * we go multi-connection.
1677fcf3ce44SJohn Forte 					 */
1678fcf3ce44SJohn Forte 					if ((isp->sess_conn_act != NULL) &&
1679fcf3ce44SJohn Forte 					    (isp->sess_conn_act->conn_state ==
1680fcf3ce44SJohn Forte 					    ISCSI_CONN_STATE_LOGGED_IN)) {
1681fcf3ce44SJohn Forte 						params = &(isp->
1682fcf3ce44SJohn Forte 						    sess_conn_act->
1683fcf3ce44SJohn Forte 						    conn_params);
1684fcf3ce44SJohn Forte 					} else {
1685fcf3ce44SJohn Forte 						valid_flag = B_FALSE;
1686fcf3ce44SJohn Forte 					}
1687fcf3ce44SJohn Forte 					rw_exit(&isp->sess_conn_list_rwlock);
1688fcf3ce44SJohn Forte 				}
1689fcf3ce44SJohn Forte 			}
1690fcf3ce44SJohn Forte 
1691fcf3ce44SJohn Forte 			/* make sure we have params to get info from */
1692fcf3ce44SJohn Forte 			if (params) {
1693fcf3ce44SJohn Forte 				rtn = iscsi_get_param(params, valid_flag, ilg);
1694fcf3ce44SJohn Forte 
1695fcf3ce44SJohn Forte 				/*
1696fcf3ce44SJohn Forte 				 * for target parameters, check if any
1697fcf3ce44SJohn Forte 				 * parameters were overridden at the initiator
1698fcf3ce44SJohn Forte 				 * level. If so, then change the default value
1699fcf3ce44SJohn Forte 				 * to the initiator's overridden value
1700fcf3ce44SJohn Forte 				 */
1701fcf3ce44SJohn Forte 				if ((rtn == 0) &&
1702fcf3ce44SJohn Forte 				    (ilg->g_oid != ihp->hba_oid)) {
1703fcf3ce44SJohn Forte 					iscsi_override_target_default(ihp,
1704fcf3ce44SJohn Forte 					    ilg);
1705fcf3ce44SJohn Forte 				}
1706fcf3ce44SJohn Forte 			}
1707fcf3ce44SJohn Forte 			rw_exit(&ihp->hba_sess_list_rwlock);
1708fcf3ce44SJohn Forte 		}
1709fcf3ce44SJohn Forte 
1710fcf3ce44SJohn Forte 		if (rtn == 0) {
1711fcf3ce44SJohn Forte 			rtn = ddi_copyout(ilg, (caddr_t)arg,
1712fcf3ce44SJohn Forte 			    sizeof (iscsi_param_get_t), mode);
1713fcf3ce44SJohn Forte 		}
1714fcf3ce44SJohn Forte 		kmem_free(ilg, sizeof (*ilg));
1715fcf3ce44SJohn Forte 		if (tmpParams != NULL)
1716fcf3ce44SJohn Forte 			kmem_free(tmpParams, sizeof (*tmpParams));
1717fcf3ce44SJohn Forte 		break;
1718fcf3ce44SJohn Forte 
1719fcf3ce44SJohn Forte 	/*
1720fcf3ce44SJohn Forte 	 * ISCSI_INIT_NODE_NAME_SET - Change the initiator-node name for
1721fcf3ce44SJohn Forte 	 * the specified connection/session.
1722fcf3ce44SJohn Forte 	 */
1723fcf3ce44SJohn Forte 	case ISCSI_INIT_NODE_NAME_SET:
1724fcf3ce44SJohn Forte 		/* copyin user args */
1725fcf3ce44SJohn Forte 		ils = (iscsi_param_set_t *)kmem_alloc(sizeof (*ils), KM_SLEEP);
1726fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, ils, sizeof (*ils), mode)) {
1727fcf3ce44SJohn Forte 			rtn = EFAULT;
1728fcf3ce44SJohn Forte 			kmem_free(ils, sizeof (*ils));
1729fcf3ce44SJohn Forte 			break;
1730fcf3ce44SJohn Forte 		}
1731fcf3ce44SJohn Forte 
1732fcf3ce44SJohn Forte 		if (ils->s_vers != ISCSI_INTERFACE_VERSION) {
1733fcf3ce44SJohn Forte 			rtn = EINVAL;
1734fcf3ce44SJohn Forte 			kmem_free(ils, sizeof (*ils));
1735fcf3ce44SJohn Forte 			break;
1736fcf3ce44SJohn Forte 		}
1737fcf3ce44SJohn Forte 
1738fcf3ce44SJohn Forte 		/* saving off the old initiator-node name */
1739fcf3ce44SJohn Forte 		initiator_node_name = kmem_zalloc(ISCSI_MAX_NAME_LEN, KM_SLEEP);
1740fcf3ce44SJohn Forte 		rval = persistent_initiator_name_get(initiator_node_name,
1741fcf3ce44SJohn Forte 		    ISCSI_MAX_NAME_LEN);
1742fcf3ce44SJohn Forte 
1743fcf3ce44SJohn Forte 		rtn = iscsi_set_params(ils, ihp, B_TRUE);
1744fcf3ce44SJohn Forte 		kmem_free(ils, sizeof (*ils));
1745fcf3ce44SJohn Forte 		if (rtn != 0) {
1746fcf3ce44SJohn Forte 			kmem_free(initiator_node_name, ISCSI_MAX_NAME_LEN);
17475279807dSJack Meng 			initiator_node_name = NULL;
17484246c8e9SJack Meng 			break;
1749fcf3ce44SJohn Forte 		}
1750fcf3ce44SJohn Forte 
1751fcf3ce44SJohn Forte 		(void) snprintf(init_port_name, MAX_NAME_PROP_SIZE,
1752fcf3ce44SJohn Forte 		    "%s,%02x%02x%02x%02x%02x%02x",
1753fcf3ce44SJohn Forte 		    (char *)ihp->hba_name, ihp->hba_isid[0],
1754fcf3ce44SJohn Forte 		    ihp->hba_isid[1], ihp->hba_isid[2],
1755fcf3ce44SJohn Forte 		    ihp->hba_isid[3], ihp->hba_isid[4],
1756fcf3ce44SJohn Forte 		    ihp->hba_isid[5]);
1757fcf3ce44SJohn Forte 
1758fcf3ce44SJohn Forte 		if (ddi_prop_update_string(DDI_DEV_T_NONE,
1759fcf3ce44SJohn Forte 		    ihp->hba_dip, "initiator-port",
1760fcf3ce44SJohn Forte 		    init_port_name) != DDI_PROP_SUCCESS) {
1761fcf3ce44SJohn Forte 			cmn_err(CE_WARN, "iscsi_ioctl: Updating "
1762fcf3ce44SJohn Forte 			    "initiator-port property on iSCSI "
1763fcf3ce44SJohn Forte 			    "HBA(%s) with dip(%d) Failed",
1764fcf3ce44SJohn Forte 			    (char *)ihp->hba_name,
1765fcf3ce44SJohn Forte 			    ddi_get_instance(ihp->hba_dip));
1766fcf3ce44SJohn Forte 		}
1767fcf3ce44SJohn Forte 
1768fcf3ce44SJohn Forte 		/*
1769fcf3ce44SJohn Forte 		 * Deregister the old initiator-node name from the iSNS
1770fcf3ce44SJohn Forte 		 * server
1771fcf3ce44SJohn Forte 		 * Register the new initiator-node name with the iSNS server
1772fcf3ce44SJohn Forte 		 */
1773fcf3ce44SJohn Forte 		method = persistent_disc_meth_get();
1774fcf3ce44SJohn Forte 		if (method & iSCSIDiscoveryMethodISNS) {
1775fcf3ce44SJohn Forte 			if (rval == B_TRUE) {
1776fcf3ce44SJohn Forte 				if (strlen(initiator_node_name) > 0) {
1777fcf3ce44SJohn Forte 				/*
1778fcf3ce44SJohn Forte 				 * we will attempt to offline the targets.
1779fcf3ce44SJohn Forte 				 * if logouts fail, we will still continue
1780fcf3ce44SJohn Forte 				 */
1781fcf3ce44SJohn Forte #define	STRING_INNO "initiator-node name - Offline "
1782fcf3ce44SJohn Forte #define	STRING_FFOMD "failed for one or more devices"
1783fcf3ce44SJohn Forte 					if ((iscsid_del(
1784fcf3ce44SJohn Forte 					    ihp, NULL, method, NULL))
1785fcf3ce44SJohn Forte 					    != B_TRUE) {
1786fcf3ce44SJohn Forte 						cmn_err(CE_NOTE,
1787fcf3ce44SJohn Forte 						    "Attempting to change "
1788fcf3ce44SJohn Forte 						    STRING_INNO
1789fcf3ce44SJohn Forte 						    STRING_FFOMD);
1790fcf3ce44SJohn Forte 					}
1791fcf3ce44SJohn Forte 					(void) isns_dereg(ihp->hba_isid,
1792fcf3ce44SJohn Forte 					    (uint8_t *)initiator_node_name);
1793fcf3ce44SJohn Forte #undef STRING_INNO
1794fcf3ce44SJohn Forte #undef STRING_FFOMD
1795fcf3ce44SJohn Forte 				}
1796fcf3ce44SJohn Forte 			}
1797fcf3ce44SJohn Forte 			if (persistent_initiator_name_get(initiator_node_name,
1798fcf3ce44SJohn Forte 			    ISCSI_MAX_NAME_LEN) != B_TRUE) {
1799fcf3ce44SJohn Forte 				kmem_free(initiator_node_name,
1800fcf3ce44SJohn Forte 				    ISCSI_MAX_NAME_LEN);
1801fcf3ce44SJohn Forte 				initiator_node_name = NULL;
1802fcf3ce44SJohn Forte 				rtn = EIO;
1803fcf3ce44SJohn Forte 				break;
1804fcf3ce44SJohn Forte 			}
1805fcf3ce44SJohn Forte 			if (strlen(initiator_node_name) == 0) {
1806fcf3ce44SJohn Forte 				kmem_free(initiator_node_name,
1807fcf3ce44SJohn Forte 				    ISCSI_MAX_NAME_LEN);
1808fcf3ce44SJohn Forte 				initiator_node_name = NULL;
1809fcf3ce44SJohn Forte 				rtn = EIO;
1810fcf3ce44SJohn Forte 				break;
1811fcf3ce44SJohn Forte 			}
1812fcf3ce44SJohn Forte 
1813fcf3ce44SJohn Forte 			initiator_node_alias = kmem_zalloc(ISCSI_MAX_NAME_LEN,
1814fcf3ce44SJohn Forte 			    KM_SLEEP);
1815fcf3ce44SJohn Forte 			if (persistent_alias_name_get(initiator_node_alias,
1816fcf3ce44SJohn Forte 			    ISCSI_MAX_NAME_LEN) != B_TRUE) {
1817fcf3ce44SJohn Forte 				initiator_node_alias[0] = '\0';
1818fcf3ce44SJohn Forte 			}
1819fcf3ce44SJohn Forte 
1820fcf3ce44SJohn Forte 			(void) isns_reg(ihp->hba_isid,
1821fcf3ce44SJohn Forte 			    (uint8_t *)initiator_node_name,
1822fcf3ce44SJohn Forte 			    ISCSI_MAX_NAME_LEN,
1823fcf3ce44SJohn Forte 			    (uint8_t *)initiator_node_alias,
1824fcf3ce44SJohn Forte 			    ISCSI_MAX_NAME_LEN,
1825fcf3ce44SJohn Forte 			    ISNS_INITIATOR_NODE_TYPE,
1826fcf3ce44SJohn Forte 			    isns_scn_callback);
1827fcf3ce44SJohn Forte 			iscsid_do_isns_query(ihp);
1828fcf3ce44SJohn Forte 
1829fcf3ce44SJohn Forte 			kmem_free(initiator_node_alias, ISCSI_MAX_NAME_LEN);
1830fcf3ce44SJohn Forte 			initiator_node_alias = NULL;
1831fcf3ce44SJohn Forte 		}
18325279807dSJack Meng 
18335279807dSJack Meng 		kmem_free(initiator_node_name, ISCSI_MAX_NAME_LEN);
18345279807dSJack Meng 		initiator_node_name = NULL;
1835fcf3ce44SJohn Forte 		break;
1836fcf3ce44SJohn Forte 
1837fcf3ce44SJohn Forte 	/*
1838fcf3ce44SJohn Forte 	 * ISCSI_PARAM_SET - Set param for specified connection/session.
1839fcf3ce44SJohn Forte 	 */
1840fcf3ce44SJohn Forte 	case ISCSI_PARAM_SET:
1841fcf3ce44SJohn Forte 		/* copyin user args */
1842fcf3ce44SJohn Forte 		ils = (iscsi_param_set_t *)kmem_alloc(sizeof (*ils), KM_SLEEP);
1843fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, ils, sizeof (*ils), mode)) {
1844fcf3ce44SJohn Forte 			rtn = EFAULT;
1845fcf3ce44SJohn Forte 			kmem_free(ils, sizeof (*ils));
1846fcf3ce44SJohn Forte 			break;
1847fcf3ce44SJohn Forte 		}
1848fcf3ce44SJohn Forte 
1849fcf3ce44SJohn Forte 		if (ils->s_vers != ISCSI_INTERFACE_VERSION) {
1850fcf3ce44SJohn Forte 			rtn = EINVAL;
1851fcf3ce44SJohn Forte 			kmem_free(ils, sizeof (*ils));
1852fcf3ce44SJohn Forte 			break;
1853fcf3ce44SJohn Forte 		}
1854fcf3ce44SJohn Forte 		rtn = iscsi_set_params(ils, ihp, B_TRUE);
18556cefaae1SJack Meng 		if (iscsiboot_prop) {
18566cefaae1SJack Meng 			if (iscsi_cmp_boot_sess_oid(ihp, ils->s_oid)) {
18576cefaae1SJack Meng 				/*
18586cefaae1SJack Meng 				 * found active session for this object
18596cefaae1SJack Meng 				 * or this is initiator's object
18606cefaae1SJack Meng 				 * with mpxio enabled
18616cefaae1SJack Meng 				 */
18626cefaae1SJack Meng 				if (!iscsi_reconfig_boot_sess(ihp)) {
18636cefaae1SJack Meng 					rtn = EINVAL;
18646cefaae1SJack Meng 					kmem_free(ils, sizeof (*ils));
18656cefaae1SJack Meng 					break;
18666cefaae1SJack Meng 				}
18676cefaae1SJack Meng 			}
18686cefaae1SJack Meng 		}
1869fcf3ce44SJohn Forte 		kmem_free(ils, sizeof (*ils));
1870fcf3ce44SJohn Forte 		break;
1871fcf3ce44SJohn Forte 
1872fcf3ce44SJohn Forte 	/*
1873fcf3ce44SJohn Forte 	 * ISCSI_TARGET_PARAM_CLEAR
1874fcf3ce44SJohn Forte 	 * - remove custom parameter settings for a target.
1875fcf3ce44SJohn Forte 	 */
1876fcf3ce44SJohn Forte 	case ISCSI_TARGET_PARAM_CLEAR:
1877fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, &e, sizeof (e), mode)) {
1878fcf3ce44SJohn Forte 			rtn = EFAULT;
1879fcf3ce44SJohn Forte 			break;
1880fcf3ce44SJohn Forte 		} else if (e.e_vers != ISCSI_INTERFACE_VERSION) {
1881fcf3ce44SJohn Forte 			rtn = EINVAL;
1882fcf3ce44SJohn Forte 			break;
1883fcf3ce44SJohn Forte 		}
1884fcf3ce44SJohn Forte 
1885fcf3ce44SJohn Forte 		if ((e.e_oid != ihp->hba_oid) &&
1886fcf3ce44SJohn Forte 		    (e.e_oid != ISCSI_OID_NOTSET)) {
1887fcf3ce44SJohn Forte 			uchar_t	    *t_name;
1888fcf3ce44SJohn Forte 			iscsi_sess_t *t_isp;
1889fcf3ce44SJohn Forte 
1890fcf3ce44SJohn Forte 			rw_enter(&ihp->hba_sess_list_rwlock, RW_READER);
1891fcf3ce44SJohn Forte 			/*
1892fcf3ce44SJohn Forte 			 * If the oid does represent a session check to see
1893fcf3ce44SJohn Forte 			 * if it is a target oid.  If so, return the target's
1894fcf3ce44SJohn Forte 			 * associated session.
1895fcf3ce44SJohn Forte 			 */
1896fcf3ce44SJohn Forte 			rtn = iscsi_sess_get(e.e_oid, ihp, &isp);
1897fcf3ce44SJohn Forte 			if (rtn != 0) {
1898fcf3ce44SJohn Forte 				rtn = iscsi_sess_get_by_target(e.e_oid, ihp,
1899fcf3ce44SJohn Forte 				    &isp);
1900fcf3ce44SJohn Forte 			}
1901fcf3ce44SJohn Forte 
1902fcf3ce44SJohn Forte 			/*
1903fcf3ce44SJohn Forte 			 * If rtn is zero then we have found an
1904fcf3ce44SJohn Forte 			 * existing session.  Use the session name to
1905fcf3ce44SJohn Forte 			 * do param lookup.  If rtn is non-zero then
1906fcf3ce44SJohn Forte 			 * create a targetparam object and use its name
1907fcf3ce44SJohn Forte 			 * for param lookup.
1908fcf3ce44SJohn Forte 			 */
1909fcf3ce44SJohn Forte 			if (rtn == 0) {
1910fcf3ce44SJohn Forte 				t_name = isp->sess_name;
1911fcf3ce44SJohn Forte 			} else {
1912fcf3ce44SJohn Forte 				t_name = iscsi_targetparam_get_name(e.e_oid);
1913fcf3ce44SJohn Forte 				rtn = 0;
1914fcf3ce44SJohn Forte 			}
1915fcf3ce44SJohn Forte 
1916fcf3ce44SJohn Forte 			if (t_name == NULL) {
1917fcf3ce44SJohn Forte 				rw_exit(&ihp->hba_sess_list_rwlock);
1918fcf3ce44SJohn Forte 				rtn = EFAULT;
1919fcf3ce44SJohn Forte 				break;
1920fcf3ce44SJohn Forte 			}
1921fcf3ce44SJohn Forte 
1922fcf3ce44SJohn Forte 			name = kmem_zalloc(ISCSI_MAX_NAME_LEN, KM_SLEEP);
1923fcf3ce44SJohn Forte 			(void) strncpy((char *)name, (char *)t_name,
1924fcf3ce44SJohn Forte 			    ISCSI_MAX_NAME_LEN);
1925fcf3ce44SJohn Forte 
1926fcf3ce44SJohn Forte 			if (persistent_param_clear((char *)name) == B_FALSE) {
1927fcf3ce44SJohn Forte 				kmem_free(name, ISCSI_MAX_NAME_LEN);
1928fcf3ce44SJohn Forte 				rw_exit(&ihp->hba_sess_list_rwlock);
1929fcf3ce44SJohn Forte 				rtn = EIO;
1930fcf3ce44SJohn Forte 				break;
1931fcf3ce44SJohn Forte 			}
1932fcf3ce44SJohn Forte 
1933fcf3ce44SJohn Forte 			ics = kmem_zalloc(sizeof (*ics), KM_SLEEP);
1934fcf3ce44SJohn Forte 			ics->ics_ver = ISCSI_INTERFACE_VERSION;
1935fcf3ce44SJohn Forte 			ics->ics_oid = ISCSI_INITIATOR_OID;
1936fcf3ce44SJohn Forte 			ics->ics_in  = 1;
1937fcf3ce44SJohn Forte 
1938fcf3ce44SJohn Forte 			/*
1939fcf3ce44SJohn Forte 			 * We may have multiple sessions with different
1940fcf3ce44SJohn Forte 			 * tpgt values.  So we need to loop through
1941fcf3ce44SJohn Forte 			 * the sessions and update all sessions.
1942fcf3ce44SJohn Forte 			 */
1943fcf3ce44SJohn Forte 			for (isp = ihp->hba_sess_list; isp;
1944fcf3ce44SJohn Forte 			    isp = t_isp) {
1945fcf3ce44SJohn Forte 				t_isp = isp->sess_next;
1946fcf3ce44SJohn Forte 
1947fcf3ce44SJohn Forte 				if (strncmp((char *)isp->sess_name,
1948fcf3ce44SJohn Forte 				    (char *)name, ISCSI_MAX_NAME_LEN) == 0) {
1949fcf3ce44SJohn Forte 					/*
1950fcf3ce44SJohn Forte 					 * When removing target-params we need
1951fcf3ce44SJohn Forte 					 * slightly different actions depending
1952fcf3ce44SJohn Forte 					 * on if the session should still exist.
1953fcf3ce44SJohn Forte 					 * Get the initiator-node value for
1954fcf3ce44SJohn Forte 					 * MS/T.  If there is no initiator
1955fcf3ce44SJohn Forte 					 * value then assume the default value
1956fcf3ce44SJohn Forte 					 * of 1.  If the initiator value is
1957fcf3ce44SJohn Forte 					 * less than this ISID then we need to
1958fcf3ce44SJohn Forte 					 * destroy the session.  Otherwise
1959fcf3ce44SJohn Forte 					 * update the session information and
1960fcf3ce44SJohn Forte 					 * resync (N7 event).
1961fcf3ce44SJohn Forte 					 */
1962fcf3ce44SJohn Forte 					rtn = iscsi_ioctl_get_config_sess(
1963fcf3ce44SJohn Forte 					    ihp, ics);
1964fcf3ce44SJohn Forte 					if (((rtn != 0) &&
1965fcf3ce44SJohn Forte 					    (isp->sess_isid[5] > 0)) ||
1966fcf3ce44SJohn Forte 					    ((rtn == 0) &&
1967fcf3ce44SJohn Forte 					    (ics->ics_out <=
1968fcf3ce44SJohn Forte 					    isp->sess_isid[5]))) {
1969fcf3ce44SJohn Forte 
1970fcf3ce44SJohn Forte 						/*
1971fcf3ce44SJohn Forte 						 * This session should no
1972fcf3ce44SJohn Forte 						 * longer exist.  Remove
1973fcf3ce44SJohn Forte 						 * session.
1974fcf3ce44SJohn Forte 						 */
1975fcf3ce44SJohn Forte 						if (!ISCSI_SUCCESS(
1976fcf3ce44SJohn Forte 						    iscsi_sess_destroy(isp))) {
1977fcf3ce44SJohn Forte 							kmem_free(ics,
1978fcf3ce44SJohn Forte 							    sizeof (*ics));
1979fcf3ce44SJohn Forte 							kmem_free(name,
1980fcf3ce44SJohn Forte 							    ISCSI_MAX_NAME_LEN);
1981fcf3ce44SJohn Forte 						rw_exit(&ihp->
1982fcf3ce44SJohn Forte 						    hba_sess_list_rwlock);
1983fcf3ce44SJohn Forte 							rtn = EBUSY;
1984fcf3ce44SJohn Forte 							break;
1985fcf3ce44SJohn Forte 						}
1986fcf3ce44SJohn Forte 						isp = ihp->hba_sess_list;
1987fcf3ce44SJohn Forte 					} else {
1988fcf3ce44SJohn Forte 						/*
1989fcf3ce44SJohn Forte 						 * Reset the session
1990fcf3ce44SJohn Forte 						 * parameters.
1991fcf3ce44SJohn Forte 						 */
1992fcf3ce44SJohn Forte 						bcopy(&(isp->sess_hba->
1993fcf3ce44SJohn Forte 						    hba_params),
1994fcf3ce44SJohn Forte 						    &(isp->sess_params),
1995fcf3ce44SJohn Forte 						    sizeof (isp->sess_params));
19966cefaae1SJack Meng 						if (iscsiboot_prop &&
19976cefaae1SJack Meng 						    isp->sess_boot) {
19986cefaae1SJack Meng 							/*
19996cefaae1SJack Meng 							 * reconfig boot
20006cefaae1SJack Meng 							 * session later
20016cefaae1SJack Meng 							 */
20026cefaae1SJack Meng 							continue;
20036cefaae1SJack Meng 						}
2004fcf3ce44SJohn Forte 						/*
2005fcf3ce44SJohn Forte 						 * Notify the session that the
2006fcf3ce44SJohn Forte 						 * login parameters have
2007fcf3ce44SJohn Forte 						 * changed.
2008fcf3ce44SJohn Forte 						 */
2009fcf3ce44SJohn Forte 						mutex_enter(&isp->
2010fcf3ce44SJohn Forte 						    sess_state_mutex);
2011fcf3ce44SJohn Forte 						iscsi_sess_state_machine(isp,
2012fcf3ce44SJohn Forte 						    ISCSI_SESS_EVENT_N7);
2013fcf3ce44SJohn Forte 						mutex_exit(&isp->
2014fcf3ce44SJohn Forte 						    sess_state_mutex);
2015fcf3ce44SJohn Forte 					}
2016fcf3ce44SJohn Forte 				}
2017fcf3ce44SJohn Forte 			}
2018fcf3ce44SJohn Forte 			kmem_free(ics, sizeof (*ics));
2019fcf3ce44SJohn Forte 			kmem_free(name, ISCSI_MAX_NAME_LEN);
2020fcf3ce44SJohn Forte 			rw_exit(&ihp->hba_sess_list_rwlock);
20216cefaae1SJack Meng 			if (iscsiboot_prop) {
20226cefaae1SJack Meng 				if (iscsi_cmp_boot_sess_oid(ihp, e.e_oid)) {
20236cefaae1SJack Meng 					/*
20246cefaae1SJack Meng 					 * found active session for this object
20256cefaae1SJack Meng 					 * or this is initiator object
20266cefaae1SJack Meng 					 * with mpxio enabled
20276cefaae1SJack Meng 					 */
20286cefaae1SJack Meng 					if (!iscsi_reconfig_boot_sess(ihp)) {
20296cefaae1SJack Meng 						rtn = EINVAL;
20306cefaae1SJack Meng 						break;
20316cefaae1SJack Meng 					}
20326cefaae1SJack Meng 				}
20336cefaae1SJack Meng 			}
2034fcf3ce44SJohn Forte 		}
2035fcf3ce44SJohn Forte 		break;
2036fcf3ce44SJohn Forte 
2037fcf3ce44SJohn Forte 	/*
2038fcf3ce44SJohn Forte 	 * ISCSI_TARGET_OID_LIST_GET -
2039fcf3ce44SJohn Forte 	 */
2040fcf3ce44SJohn Forte 	case ISCSI_TARGET_OID_LIST_GET:
2041fcf3ce44SJohn Forte 		/* copyin user args */
2042fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, &idl,
2043fcf3ce44SJohn Forte 		    sizeof (idl), mode)) {
2044fcf3ce44SJohn Forte 			rtn = EFAULT;
2045fcf3ce44SJohn Forte 			break;
2046fcf3ce44SJohn Forte 		}
2047fcf3ce44SJohn Forte 
2048fcf3ce44SJohn Forte 		if (idl.tl_vers != ISCSI_INTERFACE_VERSION) {
2049fcf3ce44SJohn Forte 			rtn = EINVAL;
2050fcf3ce44SJohn Forte 			break;
2051fcf3ce44SJohn Forte 		}
2052fcf3ce44SJohn Forte 
2053fcf3ce44SJohn Forte 		list_space = sizeof (iscsi_target_list_t);
2054fcf3ce44SJohn Forte 		if (idl.tl_in_cnt != 0)
2055fcf3ce44SJohn Forte 			list_space += (sizeof (uint32_t) *
2056fcf3ce44SJohn Forte 			    (idl.tl_in_cnt - 1));
2057fcf3ce44SJohn Forte 
2058fcf3ce44SJohn Forte 		idlp = kmem_zalloc(list_space, KM_SLEEP);
2059fcf3ce44SJohn Forte 		bcopy(&idl, idlp, sizeof (idl));
2060fcf3ce44SJohn Forte 		idlp->tl_out_cnt = 0;
2061fcf3ce44SJohn Forte 
2062fcf3ce44SJohn Forte 		/*
2063fcf3ce44SJohn Forte 		 * If target list type is ISCSI_TGT_OID_LIST and discovery
2064fcf3ce44SJohn Forte 		 * has not been completed or in progress, poke the discovery
2065fcf3ce44SJohn Forte 		 * methods so target information is returned
2066fcf3ce44SJohn Forte 		 */
2067fcf3ce44SJohn Forte 		mutex_enter(&ihp->hba_discovery_events_mutex);
2068fcf3ce44SJohn Forte 		method = ihp->hba_discovery_events;
2069fcf3ce44SJohn Forte 		if ((idl.tl_tgt_list_type == ISCSI_TGT_OID_LIST) &&
2070fcf3ce44SJohn Forte 		    (method != ISCSI_ALL_DISCOVERY_METHODS) &&
2071fcf3ce44SJohn Forte 		    (ihp->hba_discovery_in_progress == B_FALSE)) {
2072fcf3ce44SJohn Forte 			ihp->hba_discovery_in_progress = B_TRUE;
2073fcf3ce44SJohn Forte 			mutex_exit(&ihp->hba_discovery_events_mutex);
2074fcf3ce44SJohn Forte 			iscsid_poke_discovery(ihp, iSCSIDiscoveryMethodUnknown);
2075fcf3ce44SJohn Forte 			mutex_enter(&ihp->hba_discovery_events_mutex);
2076fcf3ce44SJohn Forte 			ihp->hba_discovery_in_progress = B_FALSE;
2077fcf3ce44SJohn Forte 		}
2078fcf3ce44SJohn Forte 		mutex_exit(&ihp->hba_discovery_events_mutex);
2079fcf3ce44SJohn Forte 
2080fcf3ce44SJohn Forte 		/*
2081fcf3ce44SJohn Forte 		 * Return the correct list information based on the type
2082fcf3ce44SJohn Forte 		 */
2083fcf3ce44SJohn Forte 		switch (idl.tl_tgt_list_type) {
2084fcf3ce44SJohn Forte 		/* ISCSI_TGT_PARAM_OID_LIST - iscsiadm list target-params */
2085fcf3ce44SJohn Forte 		case ISCSI_TGT_PARAM_OID_LIST:
2086fcf3ce44SJohn Forte 			/* get params from persistent store */
2087fcf3ce44SJohn Forte 			iscsi_targetparam_lock_list(RW_READER);
2088fcf3ce44SJohn Forte 			curr_entry = iscsi_targetparam_get_next_entry(NULL);
2089fcf3ce44SJohn Forte 			while (curr_entry != NULL) {
2090fcf3ce44SJohn Forte 				if (idlp->tl_out_cnt < idlp->tl_in_cnt) {
2091fcf3ce44SJohn Forte 					idlp->tl_oid_list[idlp->tl_out_cnt] =
2092fcf3ce44SJohn Forte 					    curr_entry->target_oid;
2093fcf3ce44SJohn Forte 				}
2094fcf3ce44SJohn Forte 				idlp->tl_out_cnt++;
2095fcf3ce44SJohn Forte 				curr_entry = iscsi_targetparam_get_next_entry(
2096fcf3ce44SJohn Forte 				    curr_entry);
2097fcf3ce44SJohn Forte 			}
2098fcf3ce44SJohn Forte 			iscsi_targetparam_unlock_list();
2099fcf3ce44SJohn Forte 			break;
2100fcf3ce44SJohn Forte 
2101fcf3ce44SJohn Forte 		/* ISCSI_STATIC_TGT_OID_LIST - iscsiadm list static-config */
2102fcf3ce44SJohn Forte 		case ISCSI_STATIC_TGT_OID_LIST:
2103fcf3ce44SJohn Forte 		{
2104fcf3ce44SJohn Forte 			char *target_name = NULL;
2105fcf3ce44SJohn Forte 			void *v = NULL;
2106fcf3ce44SJohn Forte 
2107fcf3ce44SJohn Forte 			/* get static-config from persistent store */
2108fcf3ce44SJohn Forte 			target_name = kmem_zalloc(ISCSI_MAX_NAME_LEN, KM_SLEEP);
2109fcf3ce44SJohn Forte 			persistent_static_addr_lock();
2110fcf3ce44SJohn Forte 			while (persistent_static_addr_next(&v,
2111fcf3ce44SJohn Forte 			    (char *)target_name, &e) == B_TRUE) {
2112fcf3ce44SJohn Forte 
2113fcf3ce44SJohn Forte 				if (idlp->tl_out_cnt < idlp->tl_in_cnt) {
2114fcf3ce44SJohn Forte 					idlp->tl_oid_list[idlp->tl_out_cnt] =
2115fcf3ce44SJohn Forte 					    e.e_oid;
2116fcf3ce44SJohn Forte 				}
2117fcf3ce44SJohn Forte 				idlp->tl_out_cnt++;
2118fcf3ce44SJohn Forte 
2119fcf3ce44SJohn Forte 			}
2120fcf3ce44SJohn Forte 
2121fcf3ce44SJohn Forte 			persistent_static_addr_unlock();
2122fcf3ce44SJohn Forte 			kmem_free(target_name, ISCSI_MAX_NAME_LEN);
2123fcf3ce44SJohn Forte 			break;
2124fcf3ce44SJohn Forte 		}
2125fcf3ce44SJohn Forte 
2126fcf3ce44SJohn Forte 		/* ISCSI_TGT_OID_LIST - iscsiadm list target */
2127fcf3ce44SJohn Forte 		case ISCSI_TGT_OID_LIST:
2128fcf3ce44SJohn Forte 
2129fcf3ce44SJohn Forte 			/* get sessions from hba's session list */
2130fcf3ce44SJohn Forte 			rw_enter(&ihp->hba_sess_list_rwlock, RW_READER);
2131fcf3ce44SJohn Forte 			for (isp = ihp->hba_sess_list; isp;
2132fcf3ce44SJohn Forte 			    isp = isp->sess_next) {
2133fcf3ce44SJohn Forte 
2134fcf3ce44SJohn Forte 				if (((isp->sess_state !=
2135fcf3ce44SJohn Forte 				    ISCSI_SESS_STATE_FREE) ||
2136fcf3ce44SJohn Forte 				    (isp->sess_discovered_by !=
2137fcf3ce44SJohn Forte 				    iSCSIDiscoveryMethodUnknown)) &&
2138fcf3ce44SJohn Forte 				    (isp->sess_type ==
2139fcf3ce44SJohn Forte 				    ISCSI_SESS_TYPE_NORMAL)) {
2140fcf3ce44SJohn Forte 					if (idlp->tl_out_cnt <
2141fcf3ce44SJohn Forte 					    idlp->tl_in_cnt) {
2142fcf3ce44SJohn Forte 						idlp->tl_oid_list[
2143fcf3ce44SJohn Forte 						    idlp->tl_out_cnt] =
2144fcf3ce44SJohn Forte 						    isp->sess_oid;
2145fcf3ce44SJohn Forte 					}
2146fcf3ce44SJohn Forte 					idlp->tl_out_cnt++;
2147fcf3ce44SJohn Forte 				}
2148fcf3ce44SJohn Forte 
2149fcf3ce44SJohn Forte 			}
2150fcf3ce44SJohn Forte 			rw_exit(&ihp->hba_sess_list_rwlock);
2151fcf3ce44SJohn Forte 			break;
2152fcf3ce44SJohn Forte 
2153fcf3ce44SJohn Forte 		default:
2154fcf3ce44SJohn Forte 			ASSERT(FALSE);
2155fcf3ce44SJohn Forte 		}
2156fcf3ce44SJohn Forte 
2157fcf3ce44SJohn Forte 		rtn = ddi_copyout(idlp, (caddr_t)arg, list_space, mode);
2158fcf3ce44SJohn Forte 		kmem_free(idlp, list_space);
2159fcf3ce44SJohn Forte 		break;
2160fcf3ce44SJohn Forte 
2161fcf3ce44SJohn Forte 	/*
2162fcf3ce44SJohn Forte 	 * ISCSI_TARGET_PROPS_GET -
2163fcf3ce44SJohn Forte 	 */
2164fcf3ce44SJohn Forte 	case ISCSI_TARGET_PROPS_GET:
2165fcf3ce44SJohn Forte 		/* ---- fall through sense the code is almost the same ---- */
2166fcf3ce44SJohn Forte 
2167fcf3ce44SJohn Forte 	/*
2168fcf3ce44SJohn Forte 	 * ISCSI_TARGET_PROPS_SET -
2169fcf3ce44SJohn Forte 	 */
2170fcf3ce44SJohn Forte 	case ISCSI_TARGET_PROPS_SET:
2171fcf3ce44SJohn Forte 		/* copyin user args */
2172fcf3ce44SJohn Forte 		ipp = (iscsi_property_t *)kmem_alloc(sizeof (*ipp),
2173fcf3ce44SJohn Forte 		    KM_SLEEP);
2174fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, ipp, sizeof (*ipp), mode)) {
2175fcf3ce44SJohn Forte 			rtn = EFAULT;
2176fcf3ce44SJohn Forte 			kmem_free(ipp, sizeof (*ipp));
2177fcf3ce44SJohn Forte 			break;
2178fcf3ce44SJohn Forte 		}
2179fcf3ce44SJohn Forte 
2180fcf3ce44SJohn Forte 		if (ipp->p_vers != ISCSI_INTERFACE_VERSION) {
2181fcf3ce44SJohn Forte 			rtn = EINVAL;
2182fcf3ce44SJohn Forte 			kmem_free(ipp, sizeof (*ipp));
2183fcf3ce44SJohn Forte 			break;
2184fcf3ce44SJohn Forte 		}
2185fcf3ce44SJohn Forte 
2186fcf3ce44SJohn Forte 		rtn = iscsi_target_prop_mod(ihp, ipp, cmd);
2187fcf3ce44SJohn Forte 		if (rtn == 0)
2188fcf3ce44SJohn Forte 			rtn = ddi_copyout(ipp, (caddr_t)arg,
2189fcf3ce44SJohn Forte 			    sizeof (*ipp), mode);
2190fcf3ce44SJohn Forte 		kmem_free(ipp, sizeof (*ipp));
2191fcf3ce44SJohn Forte 		break;
2192fcf3ce44SJohn Forte 
2193fcf3ce44SJohn Forte 	/*
2194fcf3ce44SJohn Forte 	 * ISCSI_TARGET_ADDRESS_GET -
2195fcf3ce44SJohn Forte 	 */
2196fcf3ce44SJohn Forte 	case ISCSI_TARGET_ADDRESS_GET:
2197fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, &ial, sizeof (ial), mode)) {
2198fcf3ce44SJohn Forte 			rtn = EFAULT;
2199fcf3ce44SJohn Forte 			break;
2200fcf3ce44SJohn Forte 		}
2201fcf3ce44SJohn Forte 
2202fcf3ce44SJohn Forte 		if (ial.al_vers != ISCSI_INTERFACE_VERSION) {
2203fcf3ce44SJohn Forte 			rtn = EINVAL;
2204fcf3ce44SJohn Forte 			break;
2205fcf3ce44SJohn Forte 		}
2206fcf3ce44SJohn Forte 
2207fcf3ce44SJohn Forte 		/*
2208fcf3ce44SJohn Forte 		 * Find out how much space we need to malloc for the users
2209fcf3ce44SJohn Forte 		 * request.
2210fcf3ce44SJohn Forte 		 */
2211fcf3ce44SJohn Forte 		list_space = sizeof (iscsi_addr_list_t);
2212fcf3ce44SJohn Forte 		if (ial.al_in_cnt != 0) {
2213fcf3ce44SJohn Forte 			list_space += (sizeof (iscsi_addr_t) *
2214fcf3ce44SJohn Forte 			    (ial.al_in_cnt - 1));
2215fcf3ce44SJohn Forte 		}
2216fcf3ce44SJohn Forte 		ialp = (iscsi_addr_list_t *)kmem_zalloc(list_space, KM_SLEEP);
2217fcf3ce44SJohn Forte 
2218fcf3ce44SJohn Forte 		/* Copy in the header portion */
2219fcf3ce44SJohn Forte 		bcopy(&ial, ialp, sizeof (ial));
2220fcf3ce44SJohn Forte 
2221fcf3ce44SJohn Forte 		/* session */
2222fcf3ce44SJohn Forte 		rw_enter(&ihp->hba_sess_list_rwlock, RW_READER);
2223fcf3ce44SJohn Forte 		rtn = iscsi_sess_get(ialp->al_oid, ihp, &isp);
2224fcf3ce44SJohn Forte 		if (rtn != 0) {
2225fcf3ce44SJohn Forte 			rw_exit(&ihp->hba_sess_list_rwlock);
2226fcf3ce44SJohn Forte 			rtn = EFAULT;
2227fcf3ce44SJohn Forte 			break;
2228fcf3ce44SJohn Forte 		}
2229fcf3ce44SJohn Forte 
2230fcf3ce44SJohn Forte 		ialp->al_out_cnt	= 0;
2231fcf3ce44SJohn Forte 		ialp->al_tpgt		= isp->sess_tpgt_conf;
2232fcf3ce44SJohn Forte 		rw_enter(&isp->sess_conn_list_rwlock, RW_READER);
2233fcf3ce44SJohn Forte 		for (icp = isp->sess_conn_list; icp; icp = icp->conn_next) {
2234fcf3ce44SJohn Forte 			if (icp->conn_state != ISCSI_CONN_STATE_LOGGED_IN) {
2235fcf3ce44SJohn Forte 				continue;
2236fcf3ce44SJohn Forte 			}
2237fcf3ce44SJohn Forte 			if (ialp->al_out_cnt < ialp->al_in_cnt) {
2238fcf3ce44SJohn Forte 				iscsi_addr_t		*ap;
2239fcf3ce44SJohn Forte 
2240fcf3ce44SJohn Forte 				ap = &ialp->al_addrs[ialp->al_out_cnt];
2241fcf3ce44SJohn Forte 				if (icp->conn_base_addr.sin.sa_family
2242fcf3ce44SJohn Forte 				    == AF_INET) {
2243fcf3ce44SJohn Forte 
2244fcf3ce44SJohn Forte 					struct sockaddr_in *addr_in =
2245fcf3ce44SJohn Forte 					    (struct sockaddr_in *)&icp->
2246fcf3ce44SJohn Forte 					    conn_base_addr.sin4;
2247fcf3ce44SJohn Forte 					ap->a_addr.i_insize =
2248fcf3ce44SJohn Forte 					    sizeof (struct in_addr);
2249fcf3ce44SJohn Forte 					bcopy(&addr_in->sin_addr.s_addr,
2250fcf3ce44SJohn Forte 					    &ap->a_addr.i_addr.in4.s_addr,
2251fcf3ce44SJohn Forte 					    sizeof (struct in_addr));
2252fcf3ce44SJohn Forte 					ap->a_port = addr_in->sin_port;
2253fcf3ce44SJohn Forte 
2254fcf3ce44SJohn Forte 				} else {
2255fcf3ce44SJohn Forte 
2256fcf3ce44SJohn Forte 					struct sockaddr_in6 *addr_in6 =
2257fcf3ce44SJohn Forte 					    (struct sockaddr_in6 *)&icp->
2258fcf3ce44SJohn Forte 					    conn_base_addr.sin6;
2259fcf3ce44SJohn Forte 					ap->a_addr.i_insize =
2260fcf3ce44SJohn Forte 					    sizeof (struct in6_addr);
2261fcf3ce44SJohn Forte 					bcopy(&addr_in6->sin6_addr.s6_addr,
2262fcf3ce44SJohn Forte 					    &ap->a_addr.i_addr.in6.s6_addr,
2263fcf3ce44SJohn Forte 					    sizeof (struct in6_addr));
2264fcf3ce44SJohn Forte 					ap->a_port = addr_in6->sin6_port;
2265fcf3ce44SJohn Forte 
2266fcf3ce44SJohn Forte 				}
2267fcf3ce44SJohn Forte 			}
2268fcf3ce44SJohn Forte 			ialp->al_out_cnt++;
2269fcf3ce44SJohn Forte 		}
2270fcf3ce44SJohn Forte 		rw_exit(&isp->sess_conn_list_rwlock);
2271fcf3ce44SJohn Forte 		rw_exit(&ihp->hba_sess_list_rwlock);
2272fcf3ce44SJohn Forte 
2273fcf3ce44SJohn Forte 		rtn = ddi_copyout(ialp, (caddr_t)arg, list_space, mode);
2274fcf3ce44SJohn Forte 		kmem_free(ialp, list_space);
2275fcf3ce44SJohn Forte 		break;
2276fcf3ce44SJohn Forte 
2277fcf3ce44SJohn Forte 	/*
2278fcf3ce44SJohn Forte 	 * ISCSI_CHAP_SET -
2279fcf3ce44SJohn Forte 	 */
2280fcf3ce44SJohn Forte 	case ISCSI_CHAP_SET:
2281fcf3ce44SJohn Forte 		chap = (iscsi_chap_props_t *)kmem_zalloc(sizeof (*chap),
2282fcf3ce44SJohn Forte 		    KM_SLEEP);
2283fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, chap, sizeof (*chap), mode)) {
2284fcf3ce44SJohn Forte 			rtn = EFAULT;
2285fcf3ce44SJohn Forte 			kmem_free(chap, sizeof (*chap));
2286fcf3ce44SJohn Forte 			break;
2287fcf3ce44SJohn Forte 		} else if (chap->c_vers != ISCSI_INTERFACE_VERSION) {
2288fcf3ce44SJohn Forte 			rtn = EINVAL;
2289fcf3ce44SJohn Forte 			kmem_free(chap, sizeof (*chap));
2290fcf3ce44SJohn Forte 			break;
2291fcf3ce44SJohn Forte 		}
2292fcf3ce44SJohn Forte 
2293fcf3ce44SJohn Forte 		rw_enter(&ihp->hba_sess_list_rwlock, RW_READER);
2294fcf3ce44SJohn Forte 		if (chap->c_oid == ihp->hba_oid)
2295fcf3ce44SJohn Forte 			name = ihp->hba_name;
2296fcf3ce44SJohn Forte 		else {
2297fcf3ce44SJohn Forte 			rtn = iscsi_sess_get(chap->c_oid, ihp, &isp);
2298fcf3ce44SJohn Forte 			if (rtn != 0) {
2299fcf3ce44SJohn Forte 				rtn = iscsi_sess_get_by_target(
2300fcf3ce44SJohn Forte 				    chap->c_oid, ihp, &isp);
2301fcf3ce44SJohn Forte 			}
2302fcf3ce44SJohn Forte 
2303fcf3ce44SJohn Forte 			/*
2304fcf3ce44SJohn Forte 			 * If rtn is zero then we have found an
2305fcf3ce44SJohn Forte 			 * existing session.  Use the session name to
2306fcf3ce44SJohn Forte 			 * do param lookup.  If rtn is non-zero then
2307fcf3ce44SJohn Forte 			 * create a targetparam object and use its name
2308fcf3ce44SJohn Forte 			 * for param lookup.
2309fcf3ce44SJohn Forte 			 */
2310fcf3ce44SJohn Forte 			if (rtn == 0) {
2311fcf3ce44SJohn Forte 				name = isp->sess_name;
2312fcf3ce44SJohn Forte 			} else {
2313fcf3ce44SJohn Forte 				name =
2314fcf3ce44SJohn Forte 				    iscsi_targetparam_get_name(chap->c_oid);
2315fcf3ce44SJohn Forte 				rtn = 0;
2316fcf3ce44SJohn Forte 			}
2317fcf3ce44SJohn Forte 		}
2318fcf3ce44SJohn Forte 
2319fcf3ce44SJohn Forte 		if (name == NULL) {
2320fcf3ce44SJohn Forte 			rw_exit(
2321fcf3ce44SJohn Forte 			    &ihp->hba_sess_list_rwlock);
2322fcf3ce44SJohn Forte 			rtn = EFAULT;
2323fcf3ce44SJohn Forte 			kmem_free(chap, sizeof (*chap));
2324fcf3ce44SJohn Forte 			break;
2325fcf3ce44SJohn Forte 		}
2326fcf3ce44SJohn Forte 
2327fcf3ce44SJohn Forte 		if (persistent_chap_set((char *)name, chap) ==
2328fcf3ce44SJohn Forte 		    B_FALSE) {
2329fcf3ce44SJohn Forte 			rtn = EIO;
2330fcf3ce44SJohn Forte 		}
2331fcf3ce44SJohn Forte 		rw_exit(&ihp->hba_sess_list_rwlock);
2332fcf3ce44SJohn Forte 		kmem_free(chap, sizeof (*chap));
2333fcf3ce44SJohn Forte 		break;
2334fcf3ce44SJohn Forte 
2335fcf3ce44SJohn Forte 	/*
2336fcf3ce44SJohn Forte 	 * ISCSI_CHAP_GET -
2337fcf3ce44SJohn Forte 	 */
2338fcf3ce44SJohn Forte 	case ISCSI_CHAP_GET:
2339fcf3ce44SJohn Forte 		chap = (iscsi_chap_props_t *)kmem_zalloc(sizeof (*chap),
2340fcf3ce44SJohn Forte 		    KM_SLEEP);
2341fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, chap, sizeof (*chap), mode)) {
2342fcf3ce44SJohn Forte 			kmem_free(chap, sizeof (*chap));
2343fcf3ce44SJohn Forte 			rtn = EFAULT;
2344fcf3ce44SJohn Forte 			break;
2345fcf3ce44SJohn Forte 		} else if (chap->c_vers != ISCSI_INTERFACE_VERSION) {
2346fcf3ce44SJohn Forte 			kmem_free(chap, sizeof (*chap));
2347fcf3ce44SJohn Forte 			rtn = EINVAL;
2348fcf3ce44SJohn Forte 			break;
2349fcf3ce44SJohn Forte 		}
2350fcf3ce44SJohn Forte 
2351fcf3ce44SJohn Forte 		rw_enter(&ihp->hba_sess_list_rwlock, RW_READER);
2352fcf3ce44SJohn Forte 		if (chap->c_oid == ihp->hba_oid)
2353fcf3ce44SJohn Forte 			name = ihp->hba_name;
2354fcf3ce44SJohn Forte 		else {
2355fcf3ce44SJohn Forte 			rtn = iscsi_sess_get(chap->c_oid, ihp, &isp);
2356fcf3ce44SJohn Forte 			if (rtn != 0) {
2357fcf3ce44SJohn Forte 				rtn = iscsi_sess_get_by_target(
2358fcf3ce44SJohn Forte 				    chap->c_oid, ihp, &isp);
2359fcf3ce44SJohn Forte 			}
2360fcf3ce44SJohn Forte 
2361fcf3ce44SJohn Forte 			/*
2362fcf3ce44SJohn Forte 			 * If rtn is zero then we have found an
2363fcf3ce44SJohn Forte 			 * existing session.  Use the session name to
2364fcf3ce44SJohn Forte 			 * do param lookup.  If rtn is non-zero then
2365fcf3ce44SJohn Forte 			 * create a targetparam object and use its name
2366fcf3ce44SJohn Forte 			 * for param lookup.
2367fcf3ce44SJohn Forte 			 */
2368fcf3ce44SJohn Forte 			if (rtn == 0) {
2369fcf3ce44SJohn Forte 				name = isp->sess_name;
2370fcf3ce44SJohn Forte 			} else {
2371fcf3ce44SJohn Forte 				rtn = 0;
2372fcf3ce44SJohn Forte 				name =
2373fcf3ce44SJohn Forte 				    iscsi_targetparam_get_name(chap->c_oid);
2374fcf3ce44SJohn Forte 			}
2375fcf3ce44SJohn Forte 
2376f5fc5c04SJack Meng 			if (name == NULL) {
2377f5fc5c04SJack Meng 				rw_exit(&ihp->hba_sess_list_rwlock);
2378f5fc5c04SJack Meng 				rtn = EFAULT;
2379f5fc5c04SJack Meng 				break;
2380f5fc5c04SJack Meng 			}
2381fcf3ce44SJohn Forte 			/*
2382fcf3ce44SJohn Forte 			 * Initialize the target-side chap name to the
2383fcf3ce44SJohn Forte 			 * session name if no chap settings have been
2384fcf3ce44SJohn Forte 			 * saved for the current session.
2385fcf3ce44SJohn Forte 			 */
2386fcf3ce44SJohn Forte 			if (persistent_chap_get((char *)name,
2387fcf3ce44SJohn Forte 			    chap) == B_FALSE) {
2388fcf3ce44SJohn Forte 				int name_len = strlen((char *)name);
2389fcf3ce44SJohn Forte 				iscsi_chap_props_t *chap = NULL;
2390fcf3ce44SJohn Forte 				chap = (iscsi_chap_props_t *)kmem_zalloc
2391fcf3ce44SJohn Forte 				    (sizeof (iscsi_chap_props_t), KM_SLEEP);
2392fcf3ce44SJohn Forte 				bcopy((char *)name, chap->c_user, name_len);
2393fcf3ce44SJohn Forte 				chap->c_user_len = name_len;
2394fcf3ce44SJohn Forte 				(void) (persistent_chap_set((char *)name,
2395fcf3ce44SJohn Forte 				    chap));
2396fcf3ce44SJohn Forte 				kmem_free(chap, sizeof (*chap));
2397fcf3ce44SJohn Forte 			}
2398fcf3ce44SJohn Forte 		}
2399fcf3ce44SJohn Forte 
2400fcf3ce44SJohn Forte 		if (name == NULL) {
2401fcf3ce44SJohn Forte 			rw_exit(
2402fcf3ce44SJohn Forte 			    &ihp->hba_sess_list_rwlock);
2403fcf3ce44SJohn Forte 			rtn = EFAULT;
2404fcf3ce44SJohn Forte 			break;
2405fcf3ce44SJohn Forte 		}
2406fcf3ce44SJohn Forte 
2407fcf3ce44SJohn Forte 		if (persistent_chap_get((char *)name, chap) == B_FALSE) {
2408fcf3ce44SJohn Forte 			rw_exit(&ihp->hba_sess_list_rwlock);
2409fcf3ce44SJohn Forte 			rtn = EIO;
2410fcf3ce44SJohn Forte 			break;
2411fcf3ce44SJohn Forte 		}
2412fcf3ce44SJohn Forte 		rw_exit(&ihp->hba_sess_list_rwlock);
2413fcf3ce44SJohn Forte 
2414fcf3ce44SJohn Forte 		rtn = ddi_copyout(chap, (caddr_t)arg, sizeof (*chap), mode);
2415fcf3ce44SJohn Forte 		kmem_free(chap, sizeof (*chap));
2416fcf3ce44SJohn Forte 		break;
2417fcf3ce44SJohn Forte 
2418fcf3ce44SJohn Forte 	/*
2419fcf3ce44SJohn Forte 	 * ISCSI_CHAP_CLEAR -
2420fcf3ce44SJohn Forte 	 */
2421fcf3ce44SJohn Forte 	case ISCSI_CHAP_CLEAR:
2422fcf3ce44SJohn Forte 		chap = (iscsi_chap_props_t *)kmem_zalloc(sizeof (*chap),
2423fcf3ce44SJohn Forte 		    KM_SLEEP);
2424fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, chap, sizeof (*chap), mode)) {
2425fcf3ce44SJohn Forte 			rtn = EFAULT;
2426fcf3ce44SJohn Forte 			kmem_free(chap, sizeof (*chap));
2427fcf3ce44SJohn Forte 			break;
2428fcf3ce44SJohn Forte 		} else if (chap->c_vers != ISCSI_INTERFACE_VERSION) {
2429fcf3ce44SJohn Forte 			rtn = EINVAL;
2430fcf3ce44SJohn Forte 			kmem_free(chap, sizeof (*chap));
2431fcf3ce44SJohn Forte 			break;
2432fcf3ce44SJohn Forte 		}
2433fcf3ce44SJohn Forte 
2434fcf3ce44SJohn Forte 		if (chap->c_oid == ihp->hba_oid) {
2435fcf3ce44SJohn Forte 			iscsi_sess_t *sessp;
2436fcf3ce44SJohn Forte 
2437fcf3ce44SJohn Forte 			name = ihp->hba_name;
2438fcf3ce44SJohn Forte 
2439fcf3ce44SJohn Forte 			if (persistent_chap_clear(
2440fcf3ce44SJohn Forte 			    (char *)name) == B_FALSE) {
2441fcf3ce44SJohn Forte 				rtn = EIO;
2442fcf3ce44SJohn Forte 			}
2443fcf3ce44SJohn Forte 
2444fcf3ce44SJohn Forte 			/*
2445fcf3ce44SJohn Forte 			 * Loop through all sessions and memset their
2446fcf3ce44SJohn Forte 			 * (initiator's) passwords
2447fcf3ce44SJohn Forte 			 */
2448fcf3ce44SJohn Forte 			rw_enter(&ihp->hba_sess_list_rwlock, RW_READER);
2449fcf3ce44SJohn Forte 			for (sessp = ihp->hba_sess_list; sessp;
2450fcf3ce44SJohn Forte 			    sessp = sessp->sess_next) {
2451fcf3ce44SJohn Forte 				(void) memset(sessp->sess_auth.password,
2452fcf3ce44SJohn Forte 				    0, iscsiAuthStringMaxLength);
2453fcf3ce44SJohn Forte 				sessp->sess_auth.password_length = 0;
2454fcf3ce44SJohn Forte 			}
2455fcf3ce44SJohn Forte 			rw_exit(&ihp->hba_sess_list_rwlock);
2456fcf3ce44SJohn Forte 
2457fcf3ce44SJohn Forte 		} else {
2458fcf3ce44SJohn Forte 			rw_enter(&ihp->hba_sess_list_rwlock, RW_READER);
2459fcf3ce44SJohn Forte 			/*
2460fcf3ce44SJohn Forte 			 * If the oid does represent a session check to see
2461fcf3ce44SJohn Forte 			 * if it is a target oid.  If so, return the target's
2462fcf3ce44SJohn Forte 			 * associated session.
2463fcf3ce44SJohn Forte 			 */
2464fcf3ce44SJohn Forte 			rtn = iscsi_sess_get(chap->c_oid, ihp, &isp);
2465fcf3ce44SJohn Forte 			if (rtn != 0) {
2466fcf3ce44SJohn Forte 				rtn = iscsi_sess_get_by_target(chap->c_oid,
2467fcf3ce44SJohn Forte 				    ihp, &isp);
2468fcf3ce44SJohn Forte 			}
2469fcf3ce44SJohn Forte 
2470fcf3ce44SJohn Forte 			rw_exit(&ihp->hba_sess_list_rwlock);
2471fcf3ce44SJohn Forte 
2472fcf3ce44SJohn Forte 			/*
2473fcf3ce44SJohn Forte 			 * If rtn is zero then we have found an
2474fcf3ce44SJohn Forte 			 * existing session.  Use the session name to
2475fcf3ce44SJohn Forte 			 * do param lookup.  If rtn is non-zero then
2476fcf3ce44SJohn Forte 			 * create a targetparam object and use its name
2477fcf3ce44SJohn Forte 			 * for param lookup.
2478fcf3ce44SJohn Forte 			 */
2479fcf3ce44SJohn Forte 			if (rtn == 0) {
2480fcf3ce44SJohn Forte 				name = isp->sess_name;
2481fcf3ce44SJohn Forte 			} else {
2482fcf3ce44SJohn Forte 				name =
2483fcf3ce44SJohn Forte 				    iscsi_targetparam_get_name(chap->c_oid);
2484fcf3ce44SJohn Forte 				rtn = 0;
2485fcf3ce44SJohn Forte 			}
2486fcf3ce44SJohn Forte 
2487fcf3ce44SJohn Forte 			if (name == NULL) {
2488fcf3ce44SJohn Forte 				rw_exit(
2489fcf3ce44SJohn Forte 				    &ihp->hba_sess_list_rwlock);
2490fcf3ce44SJohn Forte 				rtn = EFAULT;
2491fcf3ce44SJohn Forte 				break;
2492fcf3ce44SJohn Forte 			}
2493fcf3ce44SJohn Forte 
2494fcf3ce44SJohn Forte 			if (persistent_chap_clear(
2495fcf3ce44SJohn Forte 			    (char *)name) == B_FALSE) {
2496fcf3ce44SJohn Forte 				rtn = EIO;
2497fcf3ce44SJohn Forte 			}
2498fcf3ce44SJohn Forte 
2499fcf3ce44SJohn Forte 			/*
2500fcf3ce44SJohn Forte 			 * Clear out session chap password if we found a
2501fcf3ce44SJohn Forte 			 * session above.
2502fcf3ce44SJohn Forte 			 */
2503fcf3ce44SJohn Forte 			if (isp != NULL) {
2504fcf3ce44SJohn Forte 				(void) memset(isp->sess_auth.password_in,
2505fcf3ce44SJohn Forte 				    0, iscsiAuthStringMaxLength);
2506fcf3ce44SJohn Forte 				isp->sess_auth.password_length_in = 0;
2507fcf3ce44SJohn Forte 			}
2508fcf3ce44SJohn Forte 
2509fcf3ce44SJohn Forte 		}
2510fcf3ce44SJohn Forte 
2511fcf3ce44SJohn Forte 		kmem_free(chap, sizeof (*chap));
2512fcf3ce44SJohn Forte 		break;
2513fcf3ce44SJohn Forte 
2514fcf3ce44SJohn Forte 	/*
2515fcf3ce44SJohn Forte 	 * ISCSI_STATIC_GET -
2516fcf3ce44SJohn Forte 	 */
2517fcf3ce44SJohn Forte 	case ISCSI_STATIC_GET:
2518fcf3ce44SJohn Forte 		ispp = (iscsi_static_property_t *)kmem_alloc(
2519fcf3ce44SJohn Forte 		    sizeof (*ispp), KM_SLEEP);
2520fcf3ce44SJohn Forte 
2521fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, ispp, sizeof (*ispp), mode)) {
2522fcf3ce44SJohn Forte 			rtn = EFAULT;
2523fcf3ce44SJohn Forte 			kmem_free(ispp, sizeof (*ispp));
2524fcf3ce44SJohn Forte 			break;
2525fcf3ce44SJohn Forte 		}
2526fcf3ce44SJohn Forte 
2527fcf3ce44SJohn Forte 		if (ispp->p_vers != ISCSI_INTERFACE_VERSION) {
2528fcf3ce44SJohn Forte 			rtn = EINVAL;
2529fcf3ce44SJohn Forte 			kmem_free(ispp, sizeof (*ispp));
2530fcf3ce44SJohn Forte 			break;
2531fcf3ce44SJohn Forte 		}
2532fcf3ce44SJohn Forte 
2533fcf3ce44SJohn Forte 		{
2534fcf3ce44SJohn Forte 			void *v = NULL;
2535fcf3ce44SJohn Forte 			boolean_t found = B_FALSE;
2536fcf3ce44SJohn Forte 
2537fcf3ce44SJohn Forte 			persistent_static_addr_lock();
2538fcf3ce44SJohn Forte 			while (persistent_static_addr_next(&v,
2539fcf3ce44SJohn Forte 			    (char *)ispp->p_name, &e) == B_TRUE) {
2540fcf3ce44SJohn Forte 
2541fcf3ce44SJohn Forte 				if (ispp->p_oid == e.e_oid) {
2542fcf3ce44SJohn Forte 					/*
2543fcf3ce44SJohn Forte 					 * In case there are multiple
2544fcf3ce44SJohn Forte 					 * addresses associated with the
2545fcf3ce44SJohn Forte 					 * given target OID, pick the first
2546fcf3ce44SJohn Forte 					 * one.
2547fcf3ce44SJohn Forte 					 */
2548fcf3ce44SJohn Forte 					iscsi_addr_t *ap;
2549fcf3ce44SJohn Forte 
2550fcf3ce44SJohn Forte 					ap = &(ispp->p_addr_list.al_addrs[0]);
2551fcf3ce44SJohn Forte 					ap->a_port = e.e_port;
2552fcf3ce44SJohn Forte 					ap->a_addr.i_insize = e.e_insize;
2553fcf3ce44SJohn Forte 					bcopy(e.e_u.u_in6.s6_addr,
2554fcf3ce44SJohn Forte 					    ap->a_addr.i_addr.in6.s6_addr,
2555fcf3ce44SJohn Forte 					    e.e_insize);
2556fcf3ce44SJohn Forte 					ispp->p_name_len =
2557fcf3ce44SJohn Forte 					    strlen((char *)ispp->p_name);
2558fcf3ce44SJohn Forte 					ispp->p_addr_list.al_tpgt = e.e_tpgt;
2559fcf3ce44SJohn Forte 					ispp->p_addr_list.al_out_cnt = 1;
2560fcf3ce44SJohn Forte 
2561fcf3ce44SJohn Forte 					found = B_TRUE;
2562fcf3ce44SJohn Forte 					break;
2563fcf3ce44SJohn Forte 				}
2564fcf3ce44SJohn Forte 			}
2565fcf3ce44SJohn Forte 			persistent_static_addr_unlock();
2566fcf3ce44SJohn Forte 
2567fcf3ce44SJohn Forte 			if (found == B_TRUE) {
2568fcf3ce44SJohn Forte 				rtn = ddi_copyout(ispp, (caddr_t)arg,
2569fcf3ce44SJohn Forte 				    sizeof (*ispp), mode);
2570fcf3ce44SJohn Forte 			} else {
2571fcf3ce44SJohn Forte 				rtn = ENOENT;
2572fcf3ce44SJohn Forte 			}
2573fcf3ce44SJohn Forte 		}
2574fcf3ce44SJohn Forte 		kmem_free(ispp, sizeof (*ispp));
2575fcf3ce44SJohn Forte 
2576fcf3ce44SJohn Forte 		break;
2577fcf3ce44SJohn Forte 
2578fcf3ce44SJohn Forte 	/*
2579fcf3ce44SJohn Forte 	 * ISCSI_STATIC_SET -
2580fcf3ce44SJohn Forte 	 */
2581fcf3ce44SJohn Forte 	case ISCSI_STATIC_SET:
2582fcf3ce44SJohn Forte 		target = iscsi_ioctl_copyin((caddr_t)arg, mode,
2583fcf3ce44SJohn Forte 		    sizeof (*target));
2584fcf3ce44SJohn Forte 		if (target == NULL) {
2585fcf3ce44SJohn Forte 			rtn = EFAULT;
2586fcf3ce44SJohn Forte 			break;
2587fcf3ce44SJohn Forte 		}
2588fcf3ce44SJohn Forte 
2589fcf3ce44SJohn Forte 		if (target->te_entry.e_vers != ISCSI_INTERFACE_VERSION) {
2590fcf3ce44SJohn Forte 			kmem_free(target, sizeof (*target));
2591fcf3ce44SJohn Forte 			rtn = EINVAL;
2592fcf3ce44SJohn Forte 			break;
2593fcf3ce44SJohn Forte 		}
2594fcf3ce44SJohn Forte 
2595fcf3ce44SJohn Forte 		/* Check if the target's already been added */
2596fcf3ce44SJohn Forte 		{
2597fcf3ce44SJohn Forte 			boolean_t static_target_found = B_FALSE;
2598fcf3ce44SJohn Forte 			void *v = NULL;
2599fcf3ce44SJohn Forte 
2600fcf3ce44SJohn Forte 			name = kmem_zalloc(ISCSI_MAX_NAME_LEN, KM_SLEEP);
2601fcf3ce44SJohn Forte 			persistent_static_addr_lock();
2602fcf3ce44SJohn Forte 			while (persistent_static_addr_next(&v, (char *)name,
2603fcf3ce44SJohn Forte 			    &e) == B_TRUE) {
2604fcf3ce44SJohn Forte 				/*
2605fcf3ce44SJohn Forte 				 * MC/S - Need to check IP address and port
2606fcf3ce44SJohn Forte 				 * number as well when we support MC/S.
2607fcf3ce44SJohn Forte 				 */
2608fcf3ce44SJohn Forte 				if ((strncmp((char *)name,
2609fcf3ce44SJohn Forte 				    (char *)target->te_name,
2610fcf3ce44SJohn Forte 				    ISCSI_MAX_NAME_LEN) == 0) &&
2611fcf3ce44SJohn Forte 				    (target->te_entry.e_tpgt == e.e_tpgt) &&
2612fcf3ce44SJohn Forte 				    (target->te_entry.e_insize == e.e_insize) &&
2613fcf3ce44SJohn Forte 				    (bcmp(&target->te_entry.e_u, &e.e_u,
2614fcf3ce44SJohn Forte 				    e.e_insize) == 0)) {
2615fcf3ce44SJohn Forte 					/*
2616fcf3ce44SJohn Forte 					 * We don't allow MC/S for now but
2617fcf3ce44SJohn Forte 					 * we do allow adding the same target
2618fcf3ce44SJohn Forte 					 * with different TPGTs (hence,
2619fcf3ce44SJohn Forte 					 * different sessions).
2620fcf3ce44SJohn Forte 					 */
2621fcf3ce44SJohn Forte 					static_target_found = B_TRUE;
2622fcf3ce44SJohn Forte 					break;
2623fcf3ce44SJohn Forte 				}
2624fcf3ce44SJohn Forte 			}
2625fcf3ce44SJohn Forte 			persistent_static_addr_unlock();
2626fcf3ce44SJohn Forte 			kmem_free(name, ISCSI_MAX_NAME_LEN);
2627fcf3ce44SJohn Forte 
2628fcf3ce44SJohn Forte 			if (static_target_found == B_TRUE) {
2629fcf3ce44SJohn Forte 				/* Duplicate entry */
2630fcf3ce44SJohn Forte 				kmem_free(target, sizeof (*target));
2631fcf3ce44SJohn Forte 				rtn = EEXIST;
2632fcf3ce44SJohn Forte 				break;
2633fcf3ce44SJohn Forte 			}
2634fcf3ce44SJohn Forte 		}
2635fcf3ce44SJohn Forte 
2636fcf3ce44SJohn Forte 		if (target->te_entry.e_oid == ISCSI_OID_NOTSET) {
2637fcf3ce44SJohn Forte 			mutex_enter(&iscsi_oid_mutex);
2638fcf3ce44SJohn Forte 			target->te_entry.e_oid = iscsi_oid++;
2639fcf3ce44SJohn Forte 			mutex_exit(&iscsi_oid_mutex);
2640fcf3ce44SJohn Forte 		}
2641fcf3ce44SJohn Forte 
2642fcf3ce44SJohn Forte 		persistent_static_addr_lock();
2643fcf3ce44SJohn Forte 		if (persistent_static_addr_set((char *)target->te_name,
2644fcf3ce44SJohn Forte 		    &target->te_entry) == B_FALSE) {
2645fcf3ce44SJohn Forte 			persistent_static_addr_unlock();
2646fcf3ce44SJohn Forte 			kmem_free(target, sizeof (*target));
2647fcf3ce44SJohn Forte 			rtn = EIO;
2648fcf3ce44SJohn Forte 			break;
2649fcf3ce44SJohn Forte 		}
2650fcf3ce44SJohn Forte 		persistent_static_addr_unlock();
2651fcf3ce44SJohn Forte 
2652fcf3ce44SJohn Forte 		/*
2653fcf3ce44SJohn Forte 		 * If Static Targets discovery is enabled, then add
2654fcf3ce44SJohn Forte 		 * target to discovery queue. Otherwise, just create
2655fcf3ce44SJohn Forte 		 * the session for potential future use.
2656fcf3ce44SJohn Forte 		 */
2657fcf3ce44SJohn Forte 		method = persistent_disc_meth_get();
2658fcf3ce44SJohn Forte 		if (method & iSCSIDiscoveryMethodStatic) {
2659fcf3ce44SJohn Forte 			iscsid_poke_discovery(ihp, iSCSIDiscoveryMethodStatic);
2660fcf3ce44SJohn Forte 			(void) iscsid_login_tgt(ihp, (char *)target->te_name,
2661fcf3ce44SJohn Forte 			    iSCSIDiscoveryMethodStatic, NULL);
2662fcf3ce44SJohn Forte 		}
2663fcf3ce44SJohn Forte 
2664fcf3ce44SJohn Forte 		rtn = iscsi_ioctl_copyout(target, sizeof (*target),
2665fcf3ce44SJohn Forte 		    (caddr_t)arg, mode);
2666fcf3ce44SJohn Forte 		break;
2667fcf3ce44SJohn Forte 
2668fcf3ce44SJohn Forte 	/*
2669fcf3ce44SJohn Forte 	 * ISCSI_STATIC_CLEAR -
2670fcf3ce44SJohn Forte 	 */
2671fcf3ce44SJohn Forte 	case ISCSI_STATIC_CLEAR:
2672fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, &e, sizeof (e), mode)) {
2673fcf3ce44SJohn Forte 			rtn = EFAULT;
2674fcf3ce44SJohn Forte 			break;
2675fcf3ce44SJohn Forte 		} else if (e.e_vers != ISCSI_INTERFACE_VERSION) {
2676fcf3ce44SJohn Forte 			rtn = EINVAL;
2677fcf3ce44SJohn Forte 			break;
2678fcf3ce44SJohn Forte 		}
2679fcf3ce44SJohn Forte 
2680fcf3ce44SJohn Forte 		{
2681fcf3ce44SJohn Forte 			boolean_t	found = B_FALSE;
2682fcf3ce44SJohn Forte 			void		*v = NULL;
2683fcf3ce44SJohn Forte 			entry_t		tmp_e;
2684fcf3ce44SJohn Forte 			char		*name = NULL;
2685fcf3ce44SJohn Forte 
2686fcf3ce44SJohn Forte 			name = kmem_zalloc(ISCSI_MAX_NAME_LEN, KM_SLEEP);
2687fcf3ce44SJohn Forte 
2688fcf3ce44SJohn Forte 			/* Find name for matching static_tgt oid */
2689fcf3ce44SJohn Forte 			persistent_static_addr_lock();
2690fcf3ce44SJohn Forte 			while (persistent_static_addr_next(&v,
2691fcf3ce44SJohn Forte 			    (char *)name, &tmp_e) == B_TRUE) {
2692fcf3ce44SJohn Forte 				if (e.e_oid == tmp_e.e_oid) {
2693fcf3ce44SJohn Forte 					found = B_TRUE;
2694fcf3ce44SJohn Forte 					break;
2695fcf3ce44SJohn Forte 				}
2696fcf3ce44SJohn Forte 			}
2697fcf3ce44SJohn Forte 
2698fcf3ce44SJohn Forte 			/* If static_tgt found logout and remove it */
2699fcf3ce44SJohn Forte 			if (found == B_TRUE) {
2700fcf3ce44SJohn Forte 
2701fcf3ce44SJohn Forte 				iscsid_addr_to_sockaddr(tmp_e.e_insize,
2702fcf3ce44SJohn Forte 				    &tmp_e.e_u, tmp_e.e_port, &addr_dsc.sin);
2703fcf3ce44SJohn Forte 
2704*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				persistent_static_addr_unlock();
2705*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
2706*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				/*
2707*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				 * If discovery in progress, try few times
2708*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				 * before return busy
2709*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				 */
2710*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				retry = 0;
2711*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				mutex_enter(&ihp->hba_discovery_events_mutex);
2712*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				while (ihp->hba_discovery_in_progress ==
2713*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				    B_TRUE) {
2714*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					if (++retry == 5) {
2715*aff4bce5Syi zhang - Sun Microsystems - Beijing China 						rtn = EBUSY;
2716*aff4bce5Syi zhang - Sun Microsystems - Beijing China 						break;
2717*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					}
2718*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					mutex_exit(
2719*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					    &ihp->hba_discovery_events_mutex);
2720*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					delay(SEC_TO_TICK(
2721*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					    ISCSI_DISC_DELAY));
2722*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					mutex_enter(
2723*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					    &ihp->hba_discovery_events_mutex);
2724*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				}
2725*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				/* remove from persistent store */
2726*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				if (rtn == 0 && persistent_static_addr_clear(
2727*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				    e.e_oid) == B_FALSE) {
2728*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					rtn = EIO;
2729*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				}
2730*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				mutex_exit(&ihp->hba_discovery_events_mutex);
2731*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
2732*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				if (rtn != 0) {
2733*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					kmem_free(name, ISCSI_MAX_NAME_LEN);
2734*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					break;
2735*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				}
2736*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
2737fcf3ce44SJohn Forte 				/* Attempt to logout of target */
2738fcf3ce44SJohn Forte 				if (iscsid_del(ihp, (char *)name,
2739fcf3ce44SJohn Forte 				    iSCSIDiscoveryMethodStatic, &addr_dsc.sin)
2740*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				    == B_FALSE) {
2741*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					persistent_static_addr_lock();
2742fcf3ce44SJohn Forte 
2743*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					/*
2744*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					 * Restore static_tgt to
2745*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					 * persistent store
2746*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					 */
2747*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					if (persistent_static_addr_set(
2748*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					    (char *)name,
2749*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					    &e) == B_FALSE) {
2750*aff4bce5Syi zhang - Sun Microsystems - Beijing China 						cmn_err(CE_WARN, "Failed to "
2751*aff4bce5Syi zhang - Sun Microsystems - Beijing China 						    "restore static target "
2752*aff4bce5Syi zhang - Sun Microsystems - Beijing China 						    "address after logout "
2753*aff4bce5Syi zhang - Sun Microsystems - Beijing China 						    "target failure.");
2754fcf3ce44SJohn Forte 					}
2755*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					persistent_static_addr_unlock();
2756*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					rtn = EBUSY;
2757*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				} else {
2758fcf3ce44SJohn Forte 					iscsid_poke_discovery(ihp,
2759fcf3ce44SJohn Forte 					    iSCSIDiscoveryMethodStatic);
2760fcf3ce44SJohn Forte 					(void) iscsid_login_tgt(ihp,
2761fcf3ce44SJohn Forte 					    (char *)name,
2762fcf3ce44SJohn Forte 					    iSCSIDiscoveryMethodStatic,
2763fcf3ce44SJohn Forte 					    NULL);
2764fcf3ce44SJohn Forte 
2765fcf3ce44SJohn Forte 				}
2766fcf3ce44SJohn Forte 			} else {
2767fcf3ce44SJohn Forte 				persistent_static_addr_unlock();
2768fcf3ce44SJohn Forte 				rtn = EIO;
2769fcf3ce44SJohn Forte 			}
2770fcf3ce44SJohn Forte 			kmem_free(name, ISCSI_MAX_NAME_LEN);
2771fcf3ce44SJohn Forte 		}
2772fcf3ce44SJohn Forte 		break;
2773fcf3ce44SJohn Forte 
2774fcf3ce44SJohn Forte 	/*
2775fcf3ce44SJohn Forte 	 * ISCSI_ISNS_SERVER_ADDR_SET:
2776fcf3ce44SJohn Forte 	 */
2777fcf3ce44SJohn Forte 	case ISCSI_ISNS_SERVER_ADDR_SET:
2778fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, &e, sizeof (e), mode)) {
2779fcf3ce44SJohn Forte 			rtn = EFAULT;
2780fcf3ce44SJohn Forte 			break;
2781fcf3ce44SJohn Forte 		} else if (e.e_vers != ISCSI_INTERFACE_VERSION) {
2782fcf3ce44SJohn Forte 			rtn = EINVAL;
2783fcf3ce44SJohn Forte 			break;
2784fcf3ce44SJohn Forte 		}
2785fcf3ce44SJohn Forte 
2786fcf3ce44SJohn Forte 		if (persistent_isns_addr_set(&e) == B_FALSE) {
2787fcf3ce44SJohn Forte 			rtn = EIO;
2788fcf3ce44SJohn Forte 			break;
2789fcf3ce44SJohn Forte 		}
2790fcf3ce44SJohn Forte 
2791fcf3ce44SJohn Forte 		/*
2792fcf3ce44SJohn Forte 		 * If iSNS server discovery is enabled, then kickoff
2793fcf3ce44SJohn Forte 		 * discovery of the targets advertised by the recently
2794fcf3ce44SJohn Forte 		 * added iSNS server address.
2795fcf3ce44SJohn Forte 		 */
2796fcf3ce44SJohn Forte 		method = persistent_disc_meth_get();
2797fcf3ce44SJohn Forte 		if (method & iSCSIDiscoveryMethodISNS) {
2798fcf3ce44SJohn Forte 			initiator_node_name = kmem_zalloc(ISCSI_MAX_NAME_LEN,
2799fcf3ce44SJohn Forte 			    KM_SLEEP);
2800fcf3ce44SJohn Forte 			if (persistent_initiator_name_get(initiator_node_name,
2801fcf3ce44SJohn Forte 			    ISCSI_MAX_NAME_LEN) != B_TRUE) {
2802fcf3ce44SJohn Forte 				kmem_free(initiator_node_name,
2803fcf3ce44SJohn Forte 				    ISCSI_MAX_NAME_LEN);
2804fcf3ce44SJohn Forte 				initiator_node_name = NULL;
2805fcf3ce44SJohn Forte 				rtn = EIO;
2806fcf3ce44SJohn Forte 				break;
2807fcf3ce44SJohn Forte 			}
2808fcf3ce44SJohn Forte 			if (strlen(initiator_node_name) == 0) {
2809fcf3ce44SJohn Forte 				kmem_free(initiator_node_name,
2810fcf3ce44SJohn Forte 				    ISCSI_MAX_NAME_LEN);
2811fcf3ce44SJohn Forte 				initiator_node_name = NULL;
2812fcf3ce44SJohn Forte 				rtn = EIO;
2813fcf3ce44SJohn Forte 				break;
2814fcf3ce44SJohn Forte 			}
2815fcf3ce44SJohn Forte 
2816fcf3ce44SJohn Forte 			initiator_node_alias = kmem_zalloc(ISCSI_MAX_NAME_LEN,
2817fcf3ce44SJohn Forte 			    KM_SLEEP);
2818fcf3ce44SJohn Forte 			if (persistent_alias_name_get(initiator_node_alias,
2819fcf3ce44SJohn Forte 			    ISCSI_MAX_NAME_LEN) != B_TRUE) {
2820fcf3ce44SJohn Forte 				initiator_node_alias[0] = '\0';
2821fcf3ce44SJohn Forte 			}
2822fcf3ce44SJohn Forte 
2823fcf3ce44SJohn Forte 			/*
2824fcf3ce44SJohn Forte 			 * Register this initiator node against this iSNS
2825fcf3ce44SJohn Forte 			 * server.
2826fcf3ce44SJohn Forte 			 */
2827fcf3ce44SJohn Forte 			(void) isns_reg_one_server(&e, ihp->hba_isid,
2828fcf3ce44SJohn Forte 			    (uint8_t *)initiator_node_name,
2829fcf3ce44SJohn Forte 			    ISCSI_MAX_NAME_LEN,
2830fcf3ce44SJohn Forte 			    (uint8_t *)initiator_node_alias,
2831fcf3ce44SJohn Forte 			    ISCSI_MAX_NAME_LEN,
2832fcf3ce44SJohn Forte 			    ISNS_INITIATOR_NODE_TYPE,
2833fcf3ce44SJohn Forte 			    isns_scn_callback);
2834fcf3ce44SJohn Forte 
2835fcf3ce44SJohn Forte 			iscsid_do_isns_query_one_server(ihp, &e);
2836fcf3ce44SJohn Forte 
2837fcf3ce44SJohn Forte 			iscsid_addr_to_sockaddr(e.e_insize,
2838fcf3ce44SJohn Forte 			    &e.e_u, e.e_port, &addr_dsc.sin);
2839fcf3ce44SJohn Forte 
2840fcf3ce44SJohn Forte 			(void) iscsid_login_tgt(ihp, NULL,
2841fcf3ce44SJohn Forte 			    iSCSIDiscoveryMethodISNS,
2842fcf3ce44SJohn Forte 			    &addr_dsc.sin);
2843fcf3ce44SJohn Forte 
2844fcf3ce44SJohn Forte 			/* Done using the name and alias - free them. */
2845fcf3ce44SJohn Forte 			kmem_free(initiator_node_name, ISCSI_MAX_NAME_LEN);
2846fcf3ce44SJohn Forte 			initiator_node_name = NULL;
2847fcf3ce44SJohn Forte 			kmem_free(initiator_node_alias, ISCSI_MAX_NAME_LEN);
2848fcf3ce44SJohn Forte 			initiator_node_alias = NULL;
2849fcf3ce44SJohn Forte 		}
2850fcf3ce44SJohn Forte 		break;
2851fcf3ce44SJohn Forte 
2852fcf3ce44SJohn Forte 	/*
2853fcf3ce44SJohn Forte 	 * ISCSI_DISCOVERY_ADDR_SET:
2854fcf3ce44SJohn Forte 	 */
2855fcf3ce44SJohn Forte 	case ISCSI_DISCOVERY_ADDR_SET:
2856fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, &e, sizeof (e), mode)) {
2857fcf3ce44SJohn Forte 			rtn = EFAULT;
2858fcf3ce44SJohn Forte 			break;
2859fcf3ce44SJohn Forte 		} else if (e.e_vers != ISCSI_INTERFACE_VERSION) {
2860fcf3ce44SJohn Forte 			rtn = EINVAL;
2861fcf3ce44SJohn Forte 			break;
2862fcf3ce44SJohn Forte 		}
2863fcf3ce44SJohn Forte 
2864fcf3ce44SJohn Forte 		if (e.e_oid == ISCSI_OID_NOTSET) {
2865fcf3ce44SJohn Forte 			mutex_enter(&iscsi_oid_mutex);
2866fcf3ce44SJohn Forte 			e.e_oid = iscsi_oid++;
2867fcf3ce44SJohn Forte 			mutex_exit(&iscsi_oid_mutex);
2868fcf3ce44SJohn Forte 		}
2869fcf3ce44SJohn Forte 
2870fcf3ce44SJohn Forte 		if (persistent_disc_addr_set(&e) == B_FALSE) {
2871fcf3ce44SJohn Forte 			rtn = EIO;
2872fcf3ce44SJohn Forte 			break;
2873fcf3ce44SJohn Forte 		}
2874fcf3ce44SJohn Forte 
2875fcf3ce44SJohn Forte 		/*
2876fcf3ce44SJohn Forte 		 * If Send Targets discovery is enabled, then kickoff
2877fcf3ce44SJohn Forte 		 * discovery of the targets advertised by the recently
2878fcf3ce44SJohn Forte 		 * added discovery address.
2879fcf3ce44SJohn Forte 		 */
2880fcf3ce44SJohn Forte 		method = persistent_disc_meth_get();
2881fcf3ce44SJohn Forte 		if (method & iSCSIDiscoveryMethodSendTargets) {
2882fcf3ce44SJohn Forte 
2883fcf3ce44SJohn Forte 			iscsid_addr_to_sockaddr(e.e_insize,
2884fcf3ce44SJohn Forte 			    &e.e_u, e.e_port, &addr_dsc.sin);
2885fcf3ce44SJohn Forte 			iscsid_do_sendtgts(&e);
2886fcf3ce44SJohn Forte 			(void) iscsid_login_tgt(ihp, NULL,
2887fcf3ce44SJohn Forte 			    iSCSIDiscoveryMethodSendTargets,
2888fcf3ce44SJohn Forte 			    &addr_dsc.sin);
2889fcf3ce44SJohn Forte 
2890fcf3ce44SJohn Forte 		}
2891fcf3ce44SJohn Forte 		break;
2892fcf3ce44SJohn Forte 
2893fcf3ce44SJohn Forte 	/*
2894fcf3ce44SJohn Forte 	 * ISCSI_DISCOVERY_ADDR_LIST_GET
2895fcf3ce44SJohn Forte 	 */
2896fcf3ce44SJohn Forte 	case ISCSI_DISCOVERY_ADDR_LIST_GET:
2897fcf3ce44SJohn Forte 		/* copyin user args */
2898fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, &ial, sizeof (ial), mode)) {
2899fcf3ce44SJohn Forte 			rtn = EFAULT;
2900fcf3ce44SJohn Forte 			break;
2901fcf3ce44SJohn Forte 		}
2902fcf3ce44SJohn Forte 
2903fcf3ce44SJohn Forte 		if (ial.al_vers != ISCSI_INTERFACE_VERSION) {
2904fcf3ce44SJohn Forte 			rtn = EINVAL;
2905fcf3ce44SJohn Forte 			break;
2906fcf3ce44SJohn Forte 		}
2907fcf3ce44SJohn Forte 
2908fcf3ce44SJohn Forte 		list_space = sizeof (iscsi_addr_list_t);
2909fcf3ce44SJohn Forte 		if (ial.al_in_cnt != 0) {
2910fcf3ce44SJohn Forte 			list_space += (sizeof (iscsi_addr_t) *
2911fcf3ce44SJohn Forte 			    (ial.al_in_cnt - 1));
2912fcf3ce44SJohn Forte 		}
2913fcf3ce44SJohn Forte 
2914fcf3ce44SJohn Forte 		ialp = kmem_zalloc(list_space, KM_SLEEP);
2915fcf3ce44SJohn Forte 		bcopy(&ial, ialp, sizeof (iscsi_addr_list_t));
2916fcf3ce44SJohn Forte 
2917fcf3ce44SJohn Forte 		void_p = NULL;
2918fcf3ce44SJohn Forte 		ialp->al_out_cnt = 0;
2919fcf3ce44SJohn Forte 		persistent_disc_addr_lock();
2920fcf3ce44SJohn Forte 		while (persistent_disc_addr_next(&void_p, &e) == B_TRUE) {
2921fcf3ce44SJohn Forte 			if (ialp->al_out_cnt < ialp->al_in_cnt) {
2922fcf3ce44SJohn Forte 				int		i = ialp->al_out_cnt;
2923fcf3ce44SJohn Forte 				iscsi_addr_t	*addr = &ialp->al_addrs[i];
2924fcf3ce44SJohn Forte 
2925fcf3ce44SJohn Forte 				addr->a_port = e.e_port;
2926fcf3ce44SJohn Forte 				addr->a_addr.i_insize = e.e_insize;
2927fcf3ce44SJohn Forte 				addr->a_oid = e.e_oid;
2928fcf3ce44SJohn Forte 
2929fcf3ce44SJohn Forte 				if (e.e_insize == sizeof (struct in_addr)) {
2930fcf3ce44SJohn Forte 					/* IPv4 */
2931fcf3ce44SJohn Forte 					addr->a_addr.i_addr.in4.s_addr =
2932fcf3ce44SJohn Forte 					    e.e_u.u_in4.s_addr;
2933fcf3ce44SJohn Forte 				} else if (e.e_insize ==
2934fcf3ce44SJohn Forte 					    sizeof (struct in6_addr)) {
2935fcf3ce44SJohn Forte 					/* IPv6 */
2936fcf3ce44SJohn Forte 					bcopy(e.e_u.u_in6.s6_addr,
2937fcf3ce44SJohn Forte 					    addr->a_addr.i_addr.in6.s6_addr,
2938fcf3ce44SJohn Forte 					    16);
2939fcf3ce44SJohn Forte 				}
2940fcf3ce44SJohn Forte 			}
2941fcf3ce44SJohn Forte 			ialp->al_out_cnt++;
2942fcf3ce44SJohn Forte 		}
2943fcf3ce44SJohn Forte 		persistent_disc_addr_unlock();
2944fcf3ce44SJohn Forte 
2945fcf3ce44SJohn Forte 		rtn = ddi_copyout(ialp, (caddr_t)arg, list_space, mode);
2946fcf3ce44SJohn Forte 		kmem_free(ialp, list_space);
2947fcf3ce44SJohn Forte 		break;
2948fcf3ce44SJohn Forte 
2949fcf3ce44SJohn Forte 	/*
2950fcf3ce44SJohn Forte 	 * ISCSI_ISNS_SERVER_ADDR_LIST_GET
2951fcf3ce44SJohn Forte 	 */
2952fcf3ce44SJohn Forte 	case ISCSI_ISNS_SERVER_ADDR_LIST_GET:
2953fcf3ce44SJohn Forte 		/* copyin user args */
2954fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, &ial, sizeof (ial), mode)) {
2955fcf3ce44SJohn Forte 			rtn = EFAULT;
2956fcf3ce44SJohn Forte 			break;
2957fcf3ce44SJohn Forte 		}
2958fcf3ce44SJohn Forte 
2959fcf3ce44SJohn Forte 		if (ial.al_vers != ISCSI_INTERFACE_VERSION) {
2960fcf3ce44SJohn Forte 			rtn = EINVAL;
2961fcf3ce44SJohn Forte 			break;
2962fcf3ce44SJohn Forte 		}
2963fcf3ce44SJohn Forte 
2964fcf3ce44SJohn Forte 		list_space = sizeof (iscsi_addr_list_t);
2965fcf3ce44SJohn Forte 		if (ial.al_in_cnt != 0) {
2966fcf3ce44SJohn Forte 			list_space += (sizeof (iscsi_addr_t) *
2967fcf3ce44SJohn Forte 			    (ial.al_in_cnt - 1));
2968fcf3ce44SJohn Forte 		}
2969fcf3ce44SJohn Forte 
2970fcf3ce44SJohn Forte 		ialp = kmem_zalloc(list_space, KM_SLEEP);
2971fcf3ce44SJohn Forte 		bcopy(&ial, ialp, sizeof (iscsi_addr_list_t));
2972fcf3ce44SJohn Forte 
2973fcf3ce44SJohn Forte 		void_p = NULL;
2974fcf3ce44SJohn Forte 		ialp->al_out_cnt = 0;
2975fcf3ce44SJohn Forte 		persistent_isns_addr_lock();
2976fcf3ce44SJohn Forte 		while (persistent_isns_addr_next(&void_p, &e) == B_TRUE) {
2977fcf3ce44SJohn Forte 			if (ialp->al_out_cnt < ialp->al_in_cnt) {
2978fcf3ce44SJohn Forte 				int		i = ialp->al_out_cnt;
2979fcf3ce44SJohn Forte 				iscsi_addr_t	*addr = &ialp->al_addrs[i];
2980fcf3ce44SJohn Forte 
2981fcf3ce44SJohn Forte 				addr->a_port = e.e_port;
2982fcf3ce44SJohn Forte 				addr->a_addr.i_insize = e.e_insize;
2983fcf3ce44SJohn Forte 				if (e.e_insize == sizeof (struct in_addr)) {
2984fcf3ce44SJohn Forte 					/* IPv4 */
2985fcf3ce44SJohn Forte 					addr->a_addr.i_addr.in4.s_addr =
2986fcf3ce44SJohn Forte 					    e.e_u.u_in4.s_addr;
2987fcf3ce44SJohn Forte 				} else if (e.e_insize ==
2988fcf3ce44SJohn Forte 					    sizeof (struct in6_addr)) {
2989fcf3ce44SJohn Forte 					/* IPv6 */
2990fcf3ce44SJohn Forte 					bcopy(e.e_u.u_in6.s6_addr,
2991fcf3ce44SJohn Forte 					    addr->a_addr.i_addr.in6.s6_addr,
2992fcf3ce44SJohn Forte 					    16);
2993fcf3ce44SJohn Forte 				}
2994fcf3ce44SJohn Forte 			}
2995fcf3ce44SJohn Forte 			ialp->al_out_cnt++;
2996fcf3ce44SJohn Forte 		}
2997fcf3ce44SJohn Forte 		persistent_isns_addr_unlock();
2998fcf3ce44SJohn Forte 
2999fcf3ce44SJohn Forte 		rtn = ddi_copyout(ialp, (caddr_t)arg, list_space, mode);
3000fcf3ce44SJohn Forte 		kmem_free(ialp, list_space);
3001fcf3ce44SJohn Forte 		break;
3002fcf3ce44SJohn Forte 
3003fcf3ce44SJohn Forte 	/*
3004fcf3ce44SJohn Forte 	 * ISCSI_DISCOVERY_ADDR_CLEAR:
3005fcf3ce44SJohn Forte 	 */
3006fcf3ce44SJohn Forte 	case ISCSI_DISCOVERY_ADDR_CLEAR:
3007fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, &e, sizeof (e), mode)) {
3008fcf3ce44SJohn Forte 			rtn = EFAULT;
3009fcf3ce44SJohn Forte 			break;
3010fcf3ce44SJohn Forte 		} else if (e.e_vers != ISCSI_INTERFACE_VERSION) {
3011fcf3ce44SJohn Forte 			rtn = EINVAL;
3012fcf3ce44SJohn Forte 			break;
3013fcf3ce44SJohn Forte 		}
3014fcf3ce44SJohn Forte 
3015fcf3ce44SJohn Forte 		iscsid_addr_to_sockaddr(e.e_insize,
3016fcf3ce44SJohn Forte 		    &e.e_u, e.e_port, &addr_dsc.sin);
3017fcf3ce44SJohn Forte 
3018*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		/* If discovery in progress, try few times before return busy */
3019*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		retry = 0;
3020*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		mutex_enter(&ihp->hba_discovery_events_mutex);
3021*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		while (ihp->hba_discovery_in_progress == B_TRUE) {
3022*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			if (++retry == 5) {
3023*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				rtn = EBUSY;
3024*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				break;
3025*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			}
3026*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			mutex_exit(&ihp->hba_discovery_events_mutex);
3027*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			delay(SEC_TO_TICK(ISCSI_DISC_DELAY));
3028*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			mutex_enter(&ihp->hba_discovery_events_mutex);
3029*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		}
3030*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
3031*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		/*
3032*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		 * Clear discovery address first, so that any bus config
3033*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		 * will ignore this discovery address
3034*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		 */
3035*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		if (rtn == 0 && persistent_disc_addr_clear(&e) == B_FALSE) {
3036*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			rtn = EIO;
3037*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		}
3038*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		mutex_exit(&ihp->hba_discovery_events_mutex);
3039*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
3040*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		if (rtn != 0) {
3041*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			break;
3042*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		}
3043fcf3ce44SJohn Forte 		/* Attempt to logout of associated targets */
3044fcf3ce44SJohn Forte 		if (iscsid_del(ihp, NULL,
3045fcf3ce44SJohn Forte 		    iSCSIDiscoveryMethodSendTargets, &addr_dsc.sin) ==
3046*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		    B_FALSE) {
3047*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			/* Failure!, restore the discovery addr. */
3048*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			if (persistent_disc_addr_set(&e) == B_FALSE) {
3049*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				cmn_err(CE_WARN, "Failed to restore sendtgt "
3050*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				    "discovery address after logout associated "
3051*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				    "targets failures.");
3052fcf3ce44SJohn Forte 			}
3053fcf3ce44SJohn Forte 			rtn = EBUSY;
3054fcf3ce44SJohn Forte 		}
3055fcf3ce44SJohn Forte 		break;
3056fcf3ce44SJohn Forte 
3057fcf3ce44SJohn Forte 	/*
3058fcf3ce44SJohn Forte 	 * ISCSI_ISNS_SERVER_CLEAR:
3059fcf3ce44SJohn Forte 	 */
3060fcf3ce44SJohn Forte 	case ISCSI_ISNS_SERVER_ADDR_CLEAR:
3061fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, &e, sizeof (e), mode)) {
3062fcf3ce44SJohn Forte 			rtn = EFAULT;
3063fcf3ce44SJohn Forte 			break;
3064fcf3ce44SJohn Forte 		} else if (e.e_vers != ISCSI_INTERFACE_VERSION) {
3065fcf3ce44SJohn Forte 			rtn = EINVAL;
3066fcf3ce44SJohn Forte 			break;
3067fcf3ce44SJohn Forte 		}
3068fcf3ce44SJohn Forte 
3069fcf3ce44SJohn Forte 		iscsid_addr_to_sockaddr(e.e_insize,
3070fcf3ce44SJohn Forte 		    &e.e_u, e.e_port, &addr_dsc.sin);
3071fcf3ce44SJohn Forte 
3072*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		/* If discovery in progress, try few times before return busy */
3073*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		retry = 0;
3074*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		mutex_enter(&ihp->hba_discovery_events_mutex);
3075*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		while (ihp->hba_discovery_in_progress == B_TRUE) {
3076*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			if (++retry == 5) {
3077*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				rtn = EBUSY;
3078*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				break;
3079*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			}
3080*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			mutex_exit(&ihp->hba_discovery_events_mutex);
3081*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			delay(SEC_TO_TICK(ISCSI_DISC_DELAY));
3082*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			mutex_enter(&ihp->hba_discovery_events_mutex);
3083*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		}
3084*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
3085*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		/*
3086*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		 * Clear isns server address first, so that any bus config
3087*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		 * will ignore any target registerd on this isns server
3088*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		 */
3089*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		if (rtn == 0 && persistent_isns_addr_clear(&e) == B_FALSE) {
3090*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			rtn = EIO;
3091*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		}
3092*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		mutex_exit(&ihp->hba_discovery_events_mutex);
3093*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
3094*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		if (rtn != 0) {
3095*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			break;
3096*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		}
3097*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
3098fcf3ce44SJohn Forte 		/* Attempt logout of associated targets */
3099fcf3ce44SJohn Forte 		if (iscsid_del(ihp, NULL, iSCSIDiscoveryMethodISNS,
3100*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		    &addr_dsc.sin) == B_FALSE) {
3101*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			/* Failure!, restore the isns server addr. */
3102fcf3ce44SJohn Forte 
3103*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			if (persistent_isns_addr_set(&e) == B_FALSE) {
3104*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				cmn_err(CE_WARN, "Failed to restore isns server"
3105*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				    " address after logout associated targets"
3106*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				    " failures.");
3107fcf3ce44SJohn Forte 			}
3108*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			rtn = EBUSY;
3109*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		} else {
3110fcf3ce44SJohn Forte 			method = persistent_disc_meth_get();
3111fcf3ce44SJohn Forte 			if (method & iSCSIDiscoveryMethodISNS) {
3112fcf3ce44SJohn Forte 				boolean_t is_last_isns_server_b =
3113fcf3ce44SJohn Forte 				    B_FALSE;
3114fcf3ce44SJohn Forte 				int isns_server_count = 0;
3115fcf3ce44SJohn Forte 				void *void_p = NULL;
3116fcf3ce44SJohn Forte 
3117fcf3ce44SJohn Forte 				/*
3118fcf3ce44SJohn Forte 				 * Check if the last iSNS server's been
3119fcf3ce44SJohn Forte 				 * removed.
3120fcf3ce44SJohn Forte 				 */
3121fcf3ce44SJohn Forte 				{
3122fcf3ce44SJohn Forte 					entry_t tmp_e;
3123fcf3ce44SJohn Forte 					persistent_isns_addr_lock();
3124fcf3ce44SJohn Forte 					while (persistent_isns_addr_next(
3125fcf3ce44SJohn Forte 					    &void_p, &tmp_e) == B_TRUE) {
3126fcf3ce44SJohn Forte 						isns_server_count++;
3127fcf3ce44SJohn Forte 					}
3128fcf3ce44SJohn Forte 				}
3129fcf3ce44SJohn Forte 				persistent_isns_addr_unlock();
3130fcf3ce44SJohn Forte 				if (isns_server_count == 0) {
3131fcf3ce44SJohn Forte 					is_last_isns_server_b = B_TRUE;
3132fcf3ce44SJohn Forte 				}
3133fcf3ce44SJohn Forte 
3134fcf3ce44SJohn Forte 				/*
3135fcf3ce44SJohn Forte 				 * Deregister this node from this iSNS
3136fcf3ce44SJohn Forte 				 * server.
3137fcf3ce44SJohn Forte 				 */
3138fcf3ce44SJohn Forte 				initiator_node_name = kmem_zalloc(
3139fcf3ce44SJohn Forte 				    ISCSI_MAX_NAME_LEN, KM_SLEEP);
3140fcf3ce44SJohn Forte 				if (persistent_initiator_name_get(
3141fcf3ce44SJohn Forte 				    initiator_node_name,
3142fcf3ce44SJohn Forte 				    ISCSI_MAX_NAME_LEN) == B_TRUE) {
3143fcf3ce44SJohn Forte 
3144fcf3ce44SJohn Forte 					if (strlen(initiator_node_name) > 0) {
3145fcf3ce44SJohn Forte 						(void) isns_dereg_one_server(
3146fcf3ce44SJohn Forte 						    &e, (uint8_t *)
3147fcf3ce44SJohn Forte 						    initiator_node_name,
3148fcf3ce44SJohn Forte 						    is_last_isns_server_b);
3149fcf3ce44SJohn Forte 					}
3150fcf3ce44SJohn Forte 				}
3151fcf3ce44SJohn Forte 				kmem_free(initiator_node_name,
3152fcf3ce44SJohn Forte 				    ISCSI_MAX_NAME_LEN);
3153fcf3ce44SJohn Forte 				initiator_node_name = NULL;
3154fcf3ce44SJohn Forte 			}
3155fcf3ce44SJohn Forte 		}
3156fcf3ce44SJohn Forte 		break;
3157fcf3ce44SJohn Forte 
3158fcf3ce44SJohn Forte 	/*
3159fcf3ce44SJohn Forte 	 * ISCSI_DISCOVERY_SET -
3160fcf3ce44SJohn Forte 	 */
3161fcf3ce44SJohn Forte 	case ISCSI_DISCOVERY_SET:
3162fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, &method, sizeof (method), mode)) {
3163fcf3ce44SJohn Forte 			rtn = EFAULT;
3164fcf3ce44SJohn Forte 			break;
3165fcf3ce44SJohn Forte 		}
3166fcf3ce44SJohn Forte 
3167fcf3ce44SJohn Forte 		if (persistent_disc_meth_set(method) == B_FALSE) {
3168fcf3ce44SJohn Forte 			rtn = EIO;
3169fcf3ce44SJohn Forte 		} else {
31707f848965Sbing zhao - Sun Microsystems - Beijing China 			(void) iscsid_enable_discovery(ihp, method, B_FALSE);
3171fcf3ce44SJohn Forte 			iscsid_poke_discovery(ihp, method);
3172fcf3ce44SJohn Forte 			(void) iscsid_login_tgt(ihp, NULL, method, NULL);
3173fcf3ce44SJohn Forte 		}
3174fcf3ce44SJohn Forte 		break;
3175fcf3ce44SJohn Forte 
3176fcf3ce44SJohn Forte 	/*
3177fcf3ce44SJohn Forte 	 * ISCSI_DISCOVERY_GET -
3178fcf3ce44SJohn Forte 	 */
3179fcf3ce44SJohn Forte 	case ISCSI_DISCOVERY_GET:
3180fcf3ce44SJohn Forte 		method = persistent_disc_meth_get();
3181fcf3ce44SJohn Forte 		rtn = ddi_copyout(&method, (caddr_t)arg,
3182fcf3ce44SJohn Forte 		    sizeof (method), mode);
3183fcf3ce44SJohn Forte 		break;
3184fcf3ce44SJohn Forte 
3185fcf3ce44SJohn Forte 	/*
3186fcf3ce44SJohn Forte 	 * ISCSI_DISCOVERY_CLEAR -
3187fcf3ce44SJohn Forte 	 */
3188fcf3ce44SJohn Forte 	case ISCSI_DISCOVERY_CLEAR:
3189fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, &method, sizeof (method), mode)) {
3190fcf3ce44SJohn Forte 			rtn = EFAULT;
3191fcf3ce44SJohn Forte 			break;
3192fcf3ce44SJohn Forte 		}
3193fcf3ce44SJohn Forte 
3194c21c6c26Syi zhang - Sun Microsystems - Beijing China 		/* If discovery in progress, try few times before return busy */
3195c21c6c26Syi zhang - Sun Microsystems - Beijing China 		retry = 0;
3196c21c6c26Syi zhang - Sun Microsystems - Beijing China 		mutex_enter(&ihp->hba_discovery_events_mutex);
3197c21c6c26Syi zhang - Sun Microsystems - Beijing China 		while (ihp->hba_discovery_in_progress == B_TRUE) {
3198c21c6c26Syi zhang - Sun Microsystems - Beijing China 			if (++retry == 5) {
3199c21c6c26Syi zhang - Sun Microsystems - Beijing China 				rtn = EBUSY;
3200c21c6c26Syi zhang - Sun Microsystems - Beijing China 				break;
3201c21c6c26Syi zhang - Sun Microsystems - Beijing China 			}
3202c21c6c26Syi zhang - Sun Microsystems - Beijing China 			mutex_exit(&ihp->hba_discovery_events_mutex);
3203*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			delay(SEC_TO_TICK(ISCSI_DISC_DELAY));
3204c21c6c26Syi zhang - Sun Microsystems - Beijing China 			mutex_enter(&ihp->hba_discovery_events_mutex);
3205fcf3ce44SJohn Forte 		}
3206fcf3ce44SJohn Forte 
3207fcf3ce44SJohn Forte 		/*
3208c21c6c26Syi zhang - Sun Microsystems - Beijing China 		 * Clear discovery first, so that any bus config or
3209c21c6c26Syi zhang - Sun Microsystems - Beijing China 		 * discovery requests will ignore this discovery method
3210fcf3ce44SJohn Forte 		 */
3211c21c6c26Syi zhang - Sun Microsystems - Beijing China 		if (rtn == 0 && persistent_disc_meth_clear(method) == B_FALSE) {
3212fcf3ce44SJohn Forte 			rtn = EIO;
3213c21c6c26Syi zhang - Sun Microsystems - Beijing China 		}
3214c21c6c26Syi zhang - Sun Microsystems - Beijing China 		mutex_exit(&ihp->hba_discovery_events_mutex);
3215c21c6c26Syi zhang - Sun Microsystems - Beijing China 
3216c21c6c26Syi zhang - Sun Microsystems - Beijing China 		if (rtn != 0) {
3217fcf3ce44SJohn Forte 			break;
3218fcf3ce44SJohn Forte 		}
3219c21c6c26Syi zhang - Sun Microsystems - Beijing China 
3220c21c6c26Syi zhang - Sun Microsystems - Beijing China 		/* Attempt to logout from all associated targets */
3221c21c6c26Syi zhang - Sun Microsystems - Beijing China 		if (iscsid_disable_discovery(ihp, method) == B_FALSE) {
3222c21c6c26Syi zhang - Sun Microsystems - Beijing China 			/* Failure!, reset the discovery */
3223c21c6c26Syi zhang - Sun Microsystems - Beijing China 			if (persistent_disc_meth_set(method) == B_FALSE) {
3224c21c6c26Syi zhang - Sun Microsystems - Beijing China 				cmn_err(CE_WARN, "Failed to reset discovery "
3225c21c6c26Syi zhang - Sun Microsystems - Beijing China 				    "method after discovery disable failure.");
3226c21c6c26Syi zhang - Sun Microsystems - Beijing China 			}
3227c21c6c26Syi zhang - Sun Microsystems - Beijing China 			rtn = EBUSY;
3228c21c6c26Syi zhang - Sun Microsystems - Beijing China 		}
3229fcf3ce44SJohn Forte 		break;
3230fcf3ce44SJohn Forte 
3231fcf3ce44SJohn Forte 	/*
3232fcf3ce44SJohn Forte 	 * ISCSI_DISCOVERY_PROPS -
3233fcf3ce44SJohn Forte 	 */
3234fcf3ce44SJohn Forte 	case ISCSI_DISCOVERY_PROPS:
3235fcf3ce44SJohn Forte 		iscsid_props(&discovery_props);
3236fcf3ce44SJohn Forte 		if (ddi_copyout(&discovery_props, (caddr_t)arg,
3237fcf3ce44SJohn Forte 		    sizeof (discovery_props), mode))
3238fcf3ce44SJohn Forte 			rtn = EFAULT;
3239fcf3ce44SJohn Forte 		break;
3240fcf3ce44SJohn Forte 
3241fcf3ce44SJohn Forte 	/*
3242fcf3ce44SJohn Forte 	 * ISCSI_LUN_OID_LIST --
3243fcf3ce44SJohn Forte 	 */
3244fcf3ce44SJohn Forte 	case ISCSI_LUN_OID_LIST_GET:
3245fcf3ce44SJohn Forte 		ll = (iscsi_lun_list_t *)kmem_alloc(sizeof (*ll), KM_SLEEP);
3246fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, ll, sizeof (*ll), mode)) {
3247fcf3ce44SJohn Forte 			rtn = EFAULT;
3248fcf3ce44SJohn Forte 			kmem_free(ll, sizeof (*ll));
3249fcf3ce44SJohn Forte 			break;
3250fcf3ce44SJohn Forte 		}
3251fcf3ce44SJohn Forte 
3252fcf3ce44SJohn Forte 		if (ll->ll_vers != ISCSI_INTERFACE_VERSION) {
3253fcf3ce44SJohn Forte 			rtn = EINVAL;
3254fcf3ce44SJohn Forte 			kmem_free(ll, sizeof (*ll));
3255fcf3ce44SJohn Forte 			break;
3256fcf3ce44SJohn Forte 		}
3257fcf3ce44SJohn Forte 
3258fcf3ce44SJohn Forte 		/*
3259fcf3ce44SJohn Forte 		 * Find out how much space the user has allocated in their
3260fcf3ce44SJohn Forte 		 * structure. Match the same space for our structure.
3261fcf3ce44SJohn Forte 		 */
3262fcf3ce44SJohn Forte 		lun_sz = sizeof (iscsi_lun_list_t);
3263fcf3ce44SJohn Forte 		if (ll->ll_in_cnt > 0) {
3264fcf3ce44SJohn Forte 			lun_sz += (ll->ll_in_cnt - 1) * sizeof (iscsi_if_lun_t);
3265fcf3ce44SJohn Forte 		}
3266fcf3ce44SJohn Forte 
3267fcf3ce44SJohn Forte 		llp = kmem_zalloc(lun_sz, KM_SLEEP);
3268fcf3ce44SJohn Forte 		bcopy(ll, llp, sizeof (*ll));
3269fcf3ce44SJohn Forte 		kmem_free(ll, sizeof (*ll));
3270fcf3ce44SJohn Forte 
3271fcf3ce44SJohn Forte 		/*
3272fcf3ce44SJohn Forte 		 * Check to see if oid references a target-param oid.  If so,
3273fcf3ce44SJohn Forte 		 * find the associated  session oid before getting lu list.
3274fcf3ce44SJohn Forte 		 */
3275fcf3ce44SJohn Forte 		if (iscsi_targetparam_get_name(llp->ll_tgt_oid) != NULL) {
3276fcf3ce44SJohn Forte 			for (isp = ihp->hba_sess_list; isp;
3277fcf3ce44SJohn Forte 			    isp = isp->sess_next) {
3278fcf3ce44SJohn Forte 				if (isp->sess_target_oid == llp->ll_tgt_oid) {
3279fcf3ce44SJohn Forte 					target_oid  = isp->sess_oid;
3280fcf3ce44SJohn Forte 					break;
3281fcf3ce44SJohn Forte 				}
3282fcf3ce44SJohn Forte 			}
3283fcf3ce44SJohn Forte 		} else {
3284fcf3ce44SJohn Forte 			target_oid = llp->ll_tgt_oid;
3285fcf3ce44SJohn Forte 		}
3286fcf3ce44SJohn Forte 
3287fcf3ce44SJohn Forte 
3288fcf3ce44SJohn Forte 		/*
3289fcf3ce44SJohn Forte 		 * Look at the LUNs attached to the specified target. If there
3290fcf3ce44SJohn Forte 		 * is space in the user structure save that information locally.
3291fcf3ce44SJohn Forte 		 * Always add up the count to the total. By always adding
3292fcf3ce44SJohn Forte 		 * the count this code can be used if ll_in_cnt == 0 and
3293fcf3ce44SJohn Forte 		 * the user just wishes to know the appropriate size to
3294fcf3ce44SJohn Forte 		 * allocate.
3295fcf3ce44SJohn Forte 		 */
3296fcf3ce44SJohn Forte 		rw_enter(&ihp->hba_sess_list_rwlock, RW_READER);
3297fcf3ce44SJohn Forte 		for (isp = ihp->hba_sess_list; isp; isp = isp->sess_next) {
3298fcf3ce44SJohn Forte 			if ((llp->ll_all_tgts == B_FALSE) &&
3299fcf3ce44SJohn Forte 			    (isp->sess_oid != target_oid)) {
3300fcf3ce44SJohn Forte 				continue;
3301fcf3ce44SJohn Forte 			}
3302fcf3ce44SJohn Forte 			rw_enter(&isp->sess_lun_list_rwlock, RW_READER);
3303fcf3ce44SJohn Forte 			for (ilp = isp->sess_lun_list; ilp;
3304fcf3ce44SJohn Forte 			    ilp = ilp->lun_next) {
330591dae09cSbing zhao - Sun Microsystems - Beijing China 				if ((ilp->lun_state &
330691dae09cSbing zhao - Sun Microsystems - Beijing China 				    ISCSI_LUN_STATE_ONLINE) &&
330791dae09cSbing zhao - Sun Microsystems - Beijing China 				    !(ilp->lun_state &
330891dae09cSbing zhao - Sun Microsystems - Beijing China 				    ISCSI_LUN_STATE_INVALID)) {
3309fcf3ce44SJohn Forte 					if (llp->ll_out_cnt <
3310fcf3ce44SJohn Forte 					    llp->ll_in_cnt) {
3311fcf3ce44SJohn Forte 						iscsi_if_lun_t *lp;
3312fcf3ce44SJohn Forte 						lp = &llp->ll_luns[
3313fcf3ce44SJohn Forte 						    llp->ll_out_cnt];
3314fcf3ce44SJohn Forte 
3315fcf3ce44SJohn Forte 						lp->l_tgt_oid =
3316fcf3ce44SJohn Forte 						    isp->sess_oid;
3317fcf3ce44SJohn Forte 						lp->l_oid = ilp->lun_oid;
3318fcf3ce44SJohn Forte 						lp->l_num = ilp->lun_num;
3319fcf3ce44SJohn Forte 					}
3320fcf3ce44SJohn Forte 				llp->ll_out_cnt++;
3321fcf3ce44SJohn Forte 				}
3322fcf3ce44SJohn Forte 			}
3323fcf3ce44SJohn Forte 			rw_exit(&isp->sess_lun_list_rwlock);
3324fcf3ce44SJohn Forte 		}
3325fcf3ce44SJohn Forte 		rw_exit(&ihp->hba_sess_list_rwlock);
3326fcf3ce44SJohn Forte 
3327fcf3ce44SJohn Forte 		if (ddi_copyout(llp, (caddr_t)arg, lun_sz, mode)) {
3328fcf3ce44SJohn Forte 			rtn = EFAULT;
3329fcf3ce44SJohn Forte 		}
3330fcf3ce44SJohn Forte 
3331fcf3ce44SJohn Forte 		kmem_free(llp, lun_sz);
3332fcf3ce44SJohn Forte 		break;
3333fcf3ce44SJohn Forte 
3334fcf3ce44SJohn Forte 	/*
3335fcf3ce44SJohn Forte 	 * ISCSI_LUN_PROPS_GET --
3336fcf3ce44SJohn Forte 	 */
3337fcf3ce44SJohn Forte 	case ISCSI_LUN_PROPS_GET:
3338fcf3ce44SJohn Forte 		lun = (iscsi_lun_props_t *)kmem_zalloc(sizeof (*lun), KM_SLEEP);
3339fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, lun, sizeof (*lun), mode)) {
3340fcf3ce44SJohn Forte 			rtn = EFAULT;
3341fcf3ce44SJohn Forte 			kmem_free(lun, sizeof (*lun));
3342fcf3ce44SJohn Forte 			break;
3343fcf3ce44SJohn Forte 		}
3344fcf3ce44SJohn Forte 
3345fcf3ce44SJohn Forte 		if (lun->lp_vers != ISCSI_INTERFACE_VERSION) {
3346fcf3ce44SJohn Forte 			rtn = EINVAL;
3347fcf3ce44SJohn Forte 			kmem_free(lun, sizeof (*lun));
3348fcf3ce44SJohn Forte 			break;
3349fcf3ce44SJohn Forte 		}
3350fcf3ce44SJohn Forte 
3351fcf3ce44SJohn Forte 		/*
3352fcf3ce44SJohn Forte 		 * For the target specified, find the LUN specified and
3353fcf3ce44SJohn Forte 		 * return its properties
3354fcf3ce44SJohn Forte 		 */
3355fcf3ce44SJohn Forte 		rw_enter(&ihp->hba_sess_list_rwlock, RW_READER);
3356fcf3ce44SJohn Forte 		rtn = iscsi_sess_get(lun->lp_tgt_oid, ihp, &isp);
3357fcf3ce44SJohn Forte 		if (rtn != 0) {
3358fcf3ce44SJohn Forte 			rw_exit(&ihp->hba_sess_list_rwlock);
3359fcf3ce44SJohn Forte 			rtn = EFAULT;
3360fcf3ce44SJohn Forte 			kmem_free(lun, sizeof (*lun));
3361fcf3ce44SJohn Forte 			break;
3362fcf3ce44SJohn Forte 		}
3363fcf3ce44SJohn Forte 		rtn = EINVAL;	/* Set bad rtn, correct only if found */
3364fcf3ce44SJohn Forte 		rw_enter(&isp->sess_lun_list_rwlock, RW_READER);
3365fcf3ce44SJohn Forte 		for (ilp = isp->sess_lun_list; ilp; ilp = ilp->lun_next) {
3366fcf3ce44SJohn Forte 			if (ilp->lun_oid == lun->lp_oid) {
3367fcf3ce44SJohn Forte 				lun->lp_num	= ilp->lun_num;
3368fcf3ce44SJohn Forte 				lun->lp_status	= LunValid;
3369fcf3ce44SJohn Forte 				lun->lp_time_online = ilp->lun_time_online;
3370fcf3ce44SJohn Forte 
3371fcf3ce44SJohn Forte 				if (ilp->lun_pip != NULL) {
3372fcf3ce44SJohn Forte 					lun_dip = mdi_pi_get_client(
3373fcf3ce44SJohn Forte 					    ilp->lun_pip);
3374fcf3ce44SJohn Forte 				} else {
3375fcf3ce44SJohn Forte 					lun_dip = ilp->lun_dip;
3376fcf3ce44SJohn Forte 				}
3377fcf3ce44SJohn Forte 
3378fcf3ce44SJohn Forte 				if (lun_dip != NULL &&
337964d0f0cbSyi zhang - Sun Microsystems - Beijing China 				    ((i_ddi_devi_attached(lun_dip)) ||
338064d0f0cbSyi zhang - Sun Microsystems - Beijing China 				    (ddi_get_devstate(lun_dip) ==
338164d0f0cbSyi zhang - Sun Microsystems - Beijing China 				    DDI_DEVSTATE_UP))) {
3382fcf3ce44SJohn Forte 					(void) ddi_pathname(lun_dip,
3383fcf3ce44SJohn Forte 					    lun->lp_pathname);
3384fcf3ce44SJohn Forte 				} else {
3385fcf3ce44SJohn Forte 					/*
3386fcf3ce44SJohn Forte 					 * The LUN is not exported to the
3387fcf3ce44SJohn Forte 					 * OS yet.  It is in the process
3388fcf3ce44SJohn Forte 					 * of being added.
3389fcf3ce44SJohn Forte 					 */
3390fcf3ce44SJohn Forte 					lun->lp_status	= LunDoesNotExist;
3391fcf3ce44SJohn Forte 				}
3392fcf3ce44SJohn Forte 				bcopy(ilp->lun_vid, lun->lp_vid,
3393fcf3ce44SJohn Forte 				    sizeof (lun->lp_vid));
3394fcf3ce44SJohn Forte 				bcopy(ilp->lun_pid, lun->lp_pid,
3395fcf3ce44SJohn Forte 				    sizeof (lun->lp_pid));
3396fcf3ce44SJohn Forte 				rtn = ddi_copyout(lun, (caddr_t)arg,
3397fcf3ce44SJohn Forte 				    sizeof (*lun), mode);
3398fcf3ce44SJohn Forte 				if (rtn == -1) {
3399fcf3ce44SJohn Forte 					rtn = EFAULT;
3400fcf3ce44SJohn Forte 				}
3401fcf3ce44SJohn Forte 				break;
3402fcf3ce44SJohn Forte 			}
3403fcf3ce44SJohn Forte 		}
3404fcf3ce44SJohn Forte 		rw_exit(&isp->sess_lun_list_rwlock);
3405fcf3ce44SJohn Forte 		rw_exit(&ihp->hba_sess_list_rwlock);
3406fcf3ce44SJohn Forte 
3407fcf3ce44SJohn Forte 		kmem_free(lun, sizeof (*lun));
3408fcf3ce44SJohn Forte 		break;
3409fcf3ce44SJohn Forte 
3410fcf3ce44SJohn Forte 	/*
3411fcf3ce44SJohn Forte 	 * ISCSI_CONN_OID_LIST_GET --
3412fcf3ce44SJohn Forte 	 */
3413fcf3ce44SJohn Forte #define	ISCSIIOCOLGC iscsi_ioctl_conn_oid_list_get_copyout
3414fcf3ce44SJohn Forte 	case ISCSI_CONN_OID_LIST_GET:
3415fcf3ce44SJohn Forte 		{
3416fcf3ce44SJohn Forte 			iscsi_conn_list_t	*cl;
3417fcf3ce44SJohn Forte 
3418fcf3ce44SJohn Forte 			/* Asuume the worst */
3419fcf3ce44SJohn Forte 			rtn = EFAULT;
3420fcf3ce44SJohn Forte 
3421fcf3ce44SJohn Forte 			/* Copy the input argument into kernel world. */
3422fcf3ce44SJohn Forte 			cl = iscsi_ioctl_conn_oid_list_get_copyin(
3423fcf3ce44SJohn Forte 			    (caddr_t)arg,
3424fcf3ce44SJohn Forte 			    mode);
3425fcf3ce44SJohn Forte 			if (cl != NULL) {
3426fcf3ce44SJohn Forte 				if (iscsi_ioctl_conn_oid_list_get(ihp, cl) ==
3427fcf3ce44SJohn Forte 				    B_TRUE) {
3428fcf3ce44SJohn Forte 					rtn =
3429fcf3ce44SJohn Forte 					    ISCSIIOCOLGC(
3430fcf3ce44SJohn Forte 					    cl, (caddr_t)arg, mode);
3431fcf3ce44SJohn Forte 				}
3432fcf3ce44SJohn Forte 			}
3433fcf3ce44SJohn Forte 			break;
3434fcf3ce44SJohn Forte 		}
3435fcf3ce44SJohn Forte #undef ISCSIIOCOLGC
3436fcf3ce44SJohn Forte 	/*
3437fcf3ce44SJohn Forte 	 * ISCSI_CONN_OID_LIST_GET --
3438fcf3ce44SJohn Forte 	 */
3439fcf3ce44SJohn Forte 	case ISCSI_CONN_PROPS_GET:
3440fcf3ce44SJohn Forte 		{
3441fcf3ce44SJohn Forte 			iscsi_conn_props_t	*cp;
3442fcf3ce44SJohn Forte 
3443fcf3ce44SJohn Forte 			/* Asuume the worst */
3444fcf3ce44SJohn Forte 			rtn = EFAULT;
3445fcf3ce44SJohn Forte 
3446fcf3ce44SJohn Forte 			/* Copy the input argument into kernel world. */
3447fcf3ce44SJohn Forte 			cp = iscsi_ioctl_copyin(
3448fcf3ce44SJohn Forte 			    (caddr_t)arg,
3449fcf3ce44SJohn Forte 			    mode,
3450fcf3ce44SJohn Forte 			    sizeof (iscsi_conn_props_t));
3451fcf3ce44SJohn Forte 
3452fcf3ce44SJohn Forte 			if (cp != NULL) {
3453fcf3ce44SJohn Forte 				/* Get the propereties. */
3454fcf3ce44SJohn Forte 				if (iscsi_ioctl_conn_props_get(ihp, cp) ==
3455fcf3ce44SJohn Forte 				    B_TRUE) {
3456fcf3ce44SJohn Forte 					rtn =
3457fcf3ce44SJohn Forte 					    iscsi_ioctl_copyout(
3458fcf3ce44SJohn Forte 					    cp,
3459fcf3ce44SJohn Forte 					    sizeof (*cp),
3460fcf3ce44SJohn Forte 					    (caddr_t)arg,
3461fcf3ce44SJohn Forte 					    mode);
34629ad4dd06SSheng-Liang Eric Zhang 				} else {
34639ad4dd06SSheng-Liang Eric Zhang 					kmem_free(cp, sizeof (*cp));
34649ad4dd06SSheng-Liang Eric Zhang 					cp = NULL;
3465fcf3ce44SJohn Forte 				}
3466fcf3ce44SJohn Forte 			}
3467fcf3ce44SJohn Forte 			break;
3468fcf3ce44SJohn Forte 		}
3469fcf3ce44SJohn Forte 
3470fcf3ce44SJohn Forte 	/*
3471fcf3ce44SJohn Forte 	 * ISCSI_RADIUS_GET -
3472fcf3ce44SJohn Forte 	 */
3473fcf3ce44SJohn Forte 	case ISCSI_RADIUS_GET:
3474fcf3ce44SJohn Forte 	{
3475fcf3ce44SJohn Forte 		iscsi_nvfile_status_t	status;
3476fcf3ce44SJohn Forte 
3477fcf3ce44SJohn Forte 		radius = (iscsi_radius_props_t *)kmem_zalloc(sizeof (*radius),
3478fcf3ce44SJohn Forte 		    KM_SLEEP);
3479fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, radius, sizeof (*radius), mode)) {
3480fcf3ce44SJohn Forte 			kmem_free(radius, sizeof (*radius));
3481fcf3ce44SJohn Forte 			rtn = EFAULT;
3482fcf3ce44SJohn Forte 			break;
3483fcf3ce44SJohn Forte 		} else if (radius->r_vers != ISCSI_INTERFACE_VERSION) {
3484fcf3ce44SJohn Forte 			kmem_free(radius, sizeof (*radius));
3485fcf3ce44SJohn Forte 			rtn = EINVAL;
3486fcf3ce44SJohn Forte 			break;
3487fcf3ce44SJohn Forte 		}
3488fcf3ce44SJohn Forte 
3489fcf3ce44SJohn Forte 		old_oid = radius->r_oid;
3490fcf3ce44SJohn Forte 
3491fcf3ce44SJohn Forte 		if (radius->r_oid == ihp->hba_oid) {
3492fcf3ce44SJohn Forte 			name = ihp->hba_name;
3493fcf3ce44SJohn Forte 		} else {
3494fcf3ce44SJohn Forte 			/*
3495fcf3ce44SJohn Forte 			 * RADIUS configuration should be done on a per
3496fcf3ce44SJohn Forte 			 * initiator basis.
3497fcf3ce44SJohn Forte 			 */
3498fcf3ce44SJohn Forte 			kmem_free(radius, sizeof (*radius));
3499fcf3ce44SJohn Forte 			rtn = EINVAL;
3500fcf3ce44SJohn Forte 			break;
3501fcf3ce44SJohn Forte 		}
3502fcf3ce44SJohn Forte 
3503fcf3ce44SJohn Forte 		status = persistent_radius_get(radius);
3504fcf3ce44SJohn Forte 		if (status == ISCSI_NVFILE_SUCCESS) {
3505fcf3ce44SJohn Forte 			/*
3506fcf3ce44SJohn Forte 			 * Restore the value for overridden (and bogus) oid.
3507fcf3ce44SJohn Forte 			 */
3508fcf3ce44SJohn Forte 			radius->r_oid = old_oid;
3509fcf3ce44SJohn Forte 			rtn = ddi_copyout(radius, (caddr_t)arg,
3510fcf3ce44SJohn Forte 			    sizeof (*radius), mode);
3511fcf3ce44SJohn Forte 		} else if (status == ISCSI_NVFILE_NAMEVAL_NOT_FOUND) {
3512fcf3ce44SJohn Forte 			rtn = ENOENT;
3513fcf3ce44SJohn Forte 		} else {
3514fcf3ce44SJohn Forte 			rtn = EIO;
3515fcf3ce44SJohn Forte 		}
3516fcf3ce44SJohn Forte 		kmem_free(radius, sizeof (*radius));
3517fcf3ce44SJohn Forte 		break;
3518fcf3ce44SJohn Forte 	}
3519fcf3ce44SJohn Forte 
3520fcf3ce44SJohn Forte 	/*
3521fcf3ce44SJohn Forte 	 * ISCSI_RADIUS_SET -
3522fcf3ce44SJohn Forte 	 */
3523fcf3ce44SJohn Forte 	case ISCSI_RADIUS_SET:
3524fcf3ce44SJohn Forte 		radius = (iscsi_radius_props_t *)kmem_zalloc(sizeof (*radius),
3525fcf3ce44SJohn Forte 		    KM_SLEEP);
3526fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, radius, sizeof (*radius), mode)) {
3527fcf3ce44SJohn Forte 			rtn = EFAULT;
3528fcf3ce44SJohn Forte 			kmem_free(radius, sizeof (*radius));
3529fcf3ce44SJohn Forte 			break;
3530fcf3ce44SJohn Forte 		} else if (radius->r_vers != ISCSI_INTERFACE_VERSION) {
3531fcf3ce44SJohn Forte 			rtn = EINVAL;
3532fcf3ce44SJohn Forte 			kmem_free(radius, sizeof (*radius));
3533fcf3ce44SJohn Forte 			break;
3534fcf3ce44SJohn Forte 		}
3535fcf3ce44SJohn Forte 
3536fcf3ce44SJohn Forte 		if (radius->r_oid == ihp->hba_oid) {
3537fcf3ce44SJohn Forte 			name = ihp->hba_name;
3538fcf3ce44SJohn Forte 		} else {
3539fcf3ce44SJohn Forte 			/*
3540fcf3ce44SJohn Forte 			 * RADIUS configuration should be done on a per
3541fcf3ce44SJohn Forte 			 * initiator basis.
3542fcf3ce44SJohn Forte 			 */
3543fcf3ce44SJohn Forte 			kmem_free(radius, sizeof (*radius));
3544fcf3ce44SJohn Forte 			rtn = EINVAL;
3545fcf3ce44SJohn Forte 			break;
3546fcf3ce44SJohn Forte 		}
3547fcf3ce44SJohn Forte 
3548fcf3ce44SJohn Forte 		if (persistent_radius_set(radius) == B_FALSE) {
3549fcf3ce44SJohn Forte 			rtn = EIO;
3550fcf3ce44SJohn Forte 		}
3551fcf3ce44SJohn Forte 
3552fcf3ce44SJohn Forte 		kmem_free(radius, sizeof (*radius));
3553fcf3ce44SJohn Forte 		break;
3554fcf3ce44SJohn Forte 
3555fcf3ce44SJohn Forte 	/*
3556fcf3ce44SJohn Forte 	 *  ISCSI_AUTH_GET -
3557fcf3ce44SJohn Forte 	 */
3558fcf3ce44SJohn Forte 	case ISCSI_AUTH_GET:
3559fcf3ce44SJohn Forte 		auth = (iscsi_auth_props_t *)kmem_zalloc(sizeof (*auth),
3560fcf3ce44SJohn Forte 		    KM_SLEEP);
3561fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, auth, sizeof (*auth), mode)) {
3562fcf3ce44SJohn Forte 			kmem_free(auth, sizeof (*auth));
3563fcf3ce44SJohn Forte 			rtn = EFAULT;
3564fcf3ce44SJohn Forte 			break;
3565fcf3ce44SJohn Forte 		} else if (auth->a_vers != ISCSI_INTERFACE_VERSION) {
3566fcf3ce44SJohn Forte 			kmem_free(auth, sizeof (*auth));
3567fcf3ce44SJohn Forte 			rtn = EINVAL;
3568fcf3ce44SJohn Forte 			break;
3569fcf3ce44SJohn Forte 		}
3570fcf3ce44SJohn Forte 
3571fcf3ce44SJohn Forte 		old_oid = auth->a_oid;
3572fcf3ce44SJohn Forte 
3573fcf3ce44SJohn Forte 		if (auth->a_oid == ihp->hba_oid) {
3574fcf3ce44SJohn Forte 			name = ihp->hba_name;
3575fcf3ce44SJohn Forte 		} else {
3576fcf3ce44SJohn Forte 
3577fcf3ce44SJohn Forte 			rw_enter(&ihp->hba_sess_list_rwlock, RW_READER);
3578fcf3ce44SJohn Forte 			/*
3579fcf3ce44SJohn Forte 			 * If the oid does represent a session check to see
3580fcf3ce44SJohn Forte 			 * if it is a target oid.  If so, return the target's
3581fcf3ce44SJohn Forte 			 * associated session.
3582fcf3ce44SJohn Forte 			 */
3583fcf3ce44SJohn Forte 			rtn = iscsi_sess_get(auth->a_oid, ihp, &isp);
3584fcf3ce44SJohn Forte 			if (rtn != 0) {
3585fcf3ce44SJohn Forte 				rtn = iscsi_sess_get_by_target(auth->a_oid,
3586fcf3ce44SJohn Forte 				    ihp, &isp);
3587fcf3ce44SJohn Forte 			}
3588fcf3ce44SJohn Forte 			rw_exit(&ihp->hba_sess_list_rwlock);
3589fcf3ce44SJohn Forte 
3590fcf3ce44SJohn Forte 			/*
3591fcf3ce44SJohn Forte 			 * If rtn is zero then we have found an
3592fcf3ce44SJohn Forte 			 * existing session.  Use the session name to
3593fcf3ce44SJohn Forte 			 * do param lookup.  If rtn is non-zero then
3594fcf3ce44SJohn Forte 			 * create a targetparam object and use its name
3595fcf3ce44SJohn Forte 			 * for param lookup.
3596fcf3ce44SJohn Forte 			 */
3597fcf3ce44SJohn Forte 			if (rtn == 0) {
3598fcf3ce44SJohn Forte 				name = isp->sess_name;
3599fcf3ce44SJohn Forte 			} else {
3600fcf3ce44SJohn Forte 				name =
3601fcf3ce44SJohn Forte 				    iscsi_targetparam_get_name(auth->a_oid);
3602fcf3ce44SJohn Forte 			}
3603fcf3ce44SJohn Forte 		}
3604fcf3ce44SJohn Forte 
3605fcf3ce44SJohn Forte 		if (name == NULL) {
3606fcf3ce44SJohn Forte 			rtn = EFAULT;
3607fcf3ce44SJohn Forte 			break;
3608fcf3ce44SJohn Forte 		}
3609fcf3ce44SJohn Forte 
3610fcf3ce44SJohn Forte 		if (persistent_auth_get((char *)name, auth) == B_TRUE) {
3611fcf3ce44SJohn Forte 			/*
3612fcf3ce44SJohn Forte 			 * Restore the value for overridden (and bogus) oid.
3613fcf3ce44SJohn Forte 			 */
3614fcf3ce44SJohn Forte 			auth->a_oid = old_oid;
3615fcf3ce44SJohn Forte 			rtn = ddi_copyout(auth, (caddr_t)arg,
3616fcf3ce44SJohn Forte 			    sizeof (*auth), mode);
3617fcf3ce44SJohn Forte 		} else {
3618fcf3ce44SJohn Forte 			rtn = EIO;
3619fcf3ce44SJohn Forte 		}
3620fcf3ce44SJohn Forte 
3621fcf3ce44SJohn Forte 		kmem_free(auth, sizeof (*auth));
3622fcf3ce44SJohn Forte 		break;
3623fcf3ce44SJohn Forte 
3624fcf3ce44SJohn Forte 	/*
3625fcf3ce44SJohn Forte 	 *  ISCSI_AUTH_SET -
3626fcf3ce44SJohn Forte 	 */
3627fcf3ce44SJohn Forte 	case ISCSI_AUTH_SET:
3628fcf3ce44SJohn Forte 		auth = (iscsi_auth_props_t *)kmem_zalloc(sizeof (*auth),
3629fcf3ce44SJohn Forte 		    KM_SLEEP);
3630fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, auth, sizeof (*auth), mode)) {
3631fcf3ce44SJohn Forte 			kmem_free(auth, sizeof (*auth));
3632fcf3ce44SJohn Forte 			rtn = EFAULT;
3633fcf3ce44SJohn Forte 			break;
3634fcf3ce44SJohn Forte 		} else if (auth->a_vers != ISCSI_INTERFACE_VERSION) {
3635fcf3ce44SJohn Forte 			kmem_free(auth, sizeof (*auth));
3636fcf3ce44SJohn Forte 			rtn = EINVAL;
3637fcf3ce44SJohn Forte 			break;
3638fcf3ce44SJohn Forte 		}
3639fcf3ce44SJohn Forte 
3640fcf3ce44SJohn Forte 		if (auth->a_oid == ihp->hba_oid) {
3641fcf3ce44SJohn Forte 			name = ihp->hba_name;
3642fcf3ce44SJohn Forte 		} else {
3643fcf3ce44SJohn Forte 			rw_enter(&ihp->hba_sess_list_rwlock, RW_READER);
3644fcf3ce44SJohn Forte 			/*
3645fcf3ce44SJohn Forte 			 * If the oid does represent a session check to see
3646fcf3ce44SJohn Forte 			 * if it is a target oid.  If so, return the target's
3647fcf3ce44SJohn Forte 			 * associated session.
3648fcf3ce44SJohn Forte 			 */
3649fcf3ce44SJohn Forte 			rtn = iscsi_sess_get(auth->a_oid, ihp, &isp);
3650fcf3ce44SJohn Forte 			if (rtn != 0) {
3651fcf3ce44SJohn Forte 				rtn = iscsi_sess_get_by_target(auth->a_oid,
3652fcf3ce44SJohn Forte 				    ihp, &isp);
3653fcf3ce44SJohn Forte 			}
3654fcf3ce44SJohn Forte 			rw_exit(&ihp->hba_sess_list_rwlock);
3655fcf3ce44SJohn Forte 
3656fcf3ce44SJohn Forte 			/*
3657fcf3ce44SJohn Forte 			 * If rtn is zero then we have found an
3658fcf3ce44SJohn Forte 			 * existing session.  Use the session name to
3659fcf3ce44SJohn Forte 			 * do param lookup.  If rtn is non-zero then
3660fcf3ce44SJohn Forte 			 * create a targetparam object and use its name
3661fcf3ce44SJohn Forte 			 * for param lookup.
3662fcf3ce44SJohn Forte 			 */
3663fcf3ce44SJohn Forte 			if (rtn == 0) {
3664fcf3ce44SJohn Forte 				name = isp->sess_name;
3665fcf3ce44SJohn Forte 			} else {
3666fcf3ce44SJohn Forte 				name =
3667fcf3ce44SJohn Forte 				    iscsi_targetparam_get_name(auth->a_oid);
3668fcf3ce44SJohn Forte 				rtn = 0;
3669fcf3ce44SJohn Forte 			}
3670fcf3ce44SJohn Forte 		}
3671fcf3ce44SJohn Forte 
3672f5fc5c04SJack Meng 		if (name == NULL) {
3673f5fc5c04SJack Meng 			rtn = EFAULT;
3674f5fc5c04SJack Meng 		} else if (persistent_auth_set((char *)name, auth)
3675f5fc5c04SJack Meng 		    == B_FALSE) {
3676fcf3ce44SJohn Forte 			rtn = EIO;
3677fcf3ce44SJohn Forte 		}
3678fcf3ce44SJohn Forte 
3679fcf3ce44SJohn Forte 		kmem_free(auth, sizeof (*auth));
3680fcf3ce44SJohn Forte 		break;
3681fcf3ce44SJohn Forte 
3682fcf3ce44SJohn Forte 	/*
3683fcf3ce44SJohn Forte 	 *  ISCSI_AUTH_CLEAR -
3684fcf3ce44SJohn Forte 	 */
3685fcf3ce44SJohn Forte 	case ISCSI_AUTH_CLEAR:
3686fcf3ce44SJohn Forte 		auth = (iscsi_auth_props_t *)kmem_alloc(sizeof (*auth),
3687fcf3ce44SJohn Forte 		    KM_SLEEP);
3688fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, auth, sizeof (*auth), mode)) {
3689fcf3ce44SJohn Forte 			kmem_free(auth, sizeof (*auth));
3690fcf3ce44SJohn Forte 			rtn = EFAULT;
3691fcf3ce44SJohn Forte 			break;
3692fcf3ce44SJohn Forte 		} else if (auth->a_vers != ISCSI_INTERFACE_VERSION) {
3693fcf3ce44SJohn Forte 			kmem_free(auth, sizeof (*auth));
3694fcf3ce44SJohn Forte 			rtn = EINVAL;
3695fcf3ce44SJohn Forte 			break;
3696fcf3ce44SJohn Forte 		}
3697fcf3ce44SJohn Forte 
3698fcf3ce44SJohn Forte 		rw_enter(&ihp->hba_sess_list_rwlock, RW_READER);
3699fcf3ce44SJohn Forte 		/*
3700fcf3ce44SJohn Forte 		 * If the oid does represent a session check to see
3701fcf3ce44SJohn Forte 		 * if it is a target oid.  If so, return the target's
3702fcf3ce44SJohn Forte 		 * associated session.
3703fcf3ce44SJohn Forte 		 */
3704fcf3ce44SJohn Forte 		rtn = iscsi_sess_get(auth->a_oid, ihp, &isp);
3705fcf3ce44SJohn Forte 		if (rtn != 0) {
3706fcf3ce44SJohn Forte 			rtn = iscsi_sess_get_by_target(auth->a_oid, ihp, &isp);
3707fcf3ce44SJohn Forte 		}
3708fcf3ce44SJohn Forte 		rw_exit(&ihp->hba_sess_list_rwlock);
3709fcf3ce44SJohn Forte 
3710fcf3ce44SJohn Forte 		/*
3711fcf3ce44SJohn Forte 		 * If rtn is zero then we have found an
3712fcf3ce44SJohn Forte 		 * existing session.  Use the session name to
3713fcf3ce44SJohn Forte 		 * do param lookup.  If rtn is non-zero then
3714fcf3ce44SJohn Forte 		 * create a targetparam object and use its name
3715fcf3ce44SJohn Forte 		 * for param lookup.
3716fcf3ce44SJohn Forte 		 */
3717fcf3ce44SJohn Forte 		if (rtn == 0) {
3718fcf3ce44SJohn Forte 			name = isp->sess_name;
3719fcf3ce44SJohn Forte 		} else {
3720fcf3ce44SJohn Forte 			name =
3721fcf3ce44SJohn Forte 			    iscsi_targetparam_get_name(auth->a_oid);
3722fcf3ce44SJohn Forte 			rtn = 0;
3723b4243054SSheng-Liang Eric Zhang 			discovered = B_FALSE;
3724fcf3ce44SJohn Forte 		}
3725fcf3ce44SJohn Forte 
3726fcf3ce44SJohn Forte 		if (name == NULL) {
3727fcf3ce44SJohn Forte 			rw_exit(
3728fcf3ce44SJohn Forte 			    &ihp->hba_sess_list_rwlock);
3729fcf3ce44SJohn Forte 			rtn = EFAULT;
3730fcf3ce44SJohn Forte 			break;
3731fcf3ce44SJohn Forte 		}
3732fcf3ce44SJohn Forte 
3733fcf3ce44SJohn Forte 		if (persistent_auth_clear((char *)name) == B_FALSE) {
3734fcf3ce44SJohn Forte 			rtn = EIO;
3735fcf3ce44SJohn Forte 		}
3736b4243054SSheng-Liang Eric Zhang 
3737b4243054SSheng-Liang Eric Zhang 		/*
3738b4243054SSheng-Liang Eric Zhang 		 * ISCSI_TARGET_PARAM_CLEAR, ISCSI_CHAP_CLEAR and
3739b4243054SSheng-Liang Eric Zhang 		 * ISCSI_AUTH_CLEAR ioctl are called sequentially to remove
3740b4243054SSheng-Liang Eric Zhang 		 * target parameters. Here, the target that is not discovered
3741b4243054SSheng-Liang Eric Zhang 		 * by initiator should be removed from the iscsi_targets list
3742b4243054SSheng-Liang Eric Zhang 		 * residing in the memory.
3743b4243054SSheng-Liang Eric Zhang 		 */
3744b4243054SSheng-Liang Eric Zhang 		if (discovered == B_FALSE) {
3745b4243054SSheng-Liang Eric Zhang 			(void) iscsi_targetparam_remove_target(auth->a_oid);
3746b4243054SSheng-Liang Eric Zhang 		}
3747b4243054SSheng-Liang Eric Zhang 
3748fcf3ce44SJohn Forte 		kmem_free(auth, sizeof (*auth));
3749fcf3ce44SJohn Forte 		break;
3750fcf3ce44SJohn Forte 
3751fcf3ce44SJohn Forte 	/*
3752fcf3ce44SJohn Forte 	 * ISCSI_DB_DUMP -
3753fcf3ce44SJohn Forte 	 */
3754fcf3ce44SJohn Forte 	case ISCSI_DB_DUMP:
3755fcf3ce44SJohn Forte 		persistent_dump_data();
3756fcf3ce44SJohn Forte 		break;
3757fcf3ce44SJohn Forte 
3758fcf3ce44SJohn Forte 	case ISCSI_USCSI:
3759fcf3ce44SJohn Forte 
3760fcf3ce44SJohn Forte #ifdef _MULTI_DATAMODEL
3761fcf3ce44SJohn Forte 		model = ddi_model_convert_from(mode & FMODELS);
3762fcf3ce44SJohn Forte 		switch (model) {
3763fcf3ce44SJohn Forte 		case DDI_MODEL_ILP32:
3764fcf3ce44SJohn Forte 
3765fcf3ce44SJohn Forte 			if (ddi_copyin((caddr_t)arg, &iu32_caller,
3766fcf3ce44SJohn Forte 			    sizeof (iscsi_uscsi32_t), mode)) {
3767fcf3ce44SJohn Forte 				rtn = EFAULT;
3768fcf3ce44SJohn Forte 				break;
3769fcf3ce44SJohn Forte 			}
3770fcf3ce44SJohn Forte 
3771fcf3ce44SJohn Forte 			/* perform conversion from 32 -> 64 */
3772fcf3ce44SJohn Forte 			iu_caller.iu_vers = iu32_caller.iu_vers;
3773fcf3ce44SJohn Forte 			iu_caller.iu_oid = iu32_caller.iu_oid;
3774fcf3ce44SJohn Forte 			iu_caller.iu_tpgt = iu32_caller.iu_tpgt;
3775fcf3ce44SJohn Forte 			iu_caller.iu_len = iu32_caller.iu_len;
3776fcf3ce44SJohn Forte 			iu_caller.iu_lun = iu32_caller.iu_lun;
3777fcf3ce44SJohn Forte 			uscsi_cmd32touscsi_cmd((&iu32_caller.iu_ucmd),
3778fcf3ce44SJohn Forte 			    (&iu_caller.iu_ucmd));
3779fcf3ce44SJohn Forte 
3780fcf3ce44SJohn Forte 			break;
3781fcf3ce44SJohn Forte 		case DDI_MODEL_NONE:
3782fcf3ce44SJohn Forte 			if (ddi_copyin((caddr_t)arg, &iu_caller,
3783fcf3ce44SJohn Forte 			    sizeof (iscsi_uscsi_t), mode)) {
3784fcf3ce44SJohn Forte 				rtn = EFAULT;
3785fcf3ce44SJohn Forte 				break;
3786fcf3ce44SJohn Forte 			}
3787fcf3ce44SJohn Forte 			break;
3788fcf3ce44SJohn Forte 		default:
3789fcf3ce44SJohn Forte 			ASSERT(FALSE);
3790fcf3ce44SJohn Forte 			rtn = EINVAL;
3791fcf3ce44SJohn Forte 			break;
3792fcf3ce44SJohn Forte 		}
3793fcf3ce44SJohn Forte #endif /* _MULTI_DATAMODEL */
3794fcf3ce44SJohn Forte 
3795fcf3ce44SJohn Forte 		/* If failures earlier break */
3796fcf3ce44SJohn Forte 		if (rtn != 0) {
3797fcf3ce44SJohn Forte 			break;
3798fcf3ce44SJohn Forte 		}
3799fcf3ce44SJohn Forte 
3800fcf3ce44SJohn Forte 		/* copy from caller to internel cmd */
3801fcf3ce44SJohn Forte 		bcopy(&iu_caller, &iu, sizeof (iu));
3802fcf3ce44SJohn Forte 
3803fcf3ce44SJohn Forte 		if (iu.iu_vers != ISCSI_INTERFACE_VERSION) {
3804fcf3ce44SJohn Forte 			rtn = EINVAL;
3805fcf3ce44SJohn Forte 			break;
3806fcf3ce44SJohn Forte 		}
3807fcf3ce44SJohn Forte 		/*
3808fcf3ce44SJohn Forte 		 * Check to see if oid references a target-param oid.  If so,
3809fcf3ce44SJohn Forte 		 * find the associated  session oid before getting lu list.
3810fcf3ce44SJohn Forte 		 */
3811fcf3ce44SJohn Forte 		if (iscsi_targetparam_get_name(iu.iu_oid) != NULL) {
3812fcf3ce44SJohn Forte 			for (isp = ihp->hba_sess_list; isp; isp =
3813fcf3ce44SJohn Forte 			    isp->sess_next) {
3814fcf3ce44SJohn Forte 				if (isp->sess_target_oid == iu.iu_oid) {
3815fcf3ce44SJohn Forte 					target_oid  = isp->sess_oid;
3816fcf3ce44SJohn Forte 					break;
3817fcf3ce44SJohn Forte 				}
3818fcf3ce44SJohn Forte 			}
3819fcf3ce44SJohn Forte 		} else {
3820fcf3ce44SJohn Forte 			target_oid = iu.iu_oid;
3821fcf3ce44SJohn Forte 		}
3822fcf3ce44SJohn Forte 
3823fcf3ce44SJohn Forte 		/* make sure we have a matching session for this command */
3824fcf3ce44SJohn Forte 		rw_enter(&ihp->hba_sess_list_rwlock, RW_READER);
3825fcf3ce44SJohn Forte 		rtn = iscsi_sess_get(target_oid, ihp, &isp);
3826fcf3ce44SJohn Forte 		if (rtn != 0) {
3827fcf3ce44SJohn Forte 			rtn = iscsi_sess_get_by_target(target_oid, ihp,
3828fcf3ce44SJohn Forte 			    &isp);
3829fcf3ce44SJohn Forte 			if (rtn != 0) {
3830fcf3ce44SJohn Forte 				rw_exit(&ihp->hba_sess_list_rwlock);
3831fcf3ce44SJohn Forte 				rtn = EFAULT;
3832fcf3ce44SJohn Forte 				break;
3833fcf3ce44SJohn Forte 			}
3834fcf3ce44SJohn Forte 		}
3835fcf3ce44SJohn Forte 		/*
3836fcf3ce44SJohn Forte 		 * If a caller buffer is present allocate duplicate
3837fcf3ce44SJohn Forte 		 * kernel space and copyin caller memory.
3838fcf3ce44SJohn Forte 		 */
3839fcf3ce44SJohn Forte 		if (iu.iu_ucmd.uscsi_buflen > 0) {
3840fcf3ce44SJohn Forte 			iu.iu_ucmd.uscsi_bufaddr = (caddr_t)kmem_alloc(
3841fcf3ce44SJohn Forte 			    iu.iu_ucmd.uscsi_buflen, KM_SLEEP);
3842fcf3ce44SJohn Forte 			if (ddi_copyin(iu_caller.iu_ucmd.uscsi_bufaddr,
3843fcf3ce44SJohn Forte 			    iu.iu_ucmd.uscsi_bufaddr,
3844fcf3ce44SJohn Forte 			    iu.iu_ucmd.uscsi_buflen, mode)) {
3845fcf3ce44SJohn Forte 				rw_exit(&ihp->hba_sess_list_rwlock);
3846fcf3ce44SJohn Forte 				rtn = EFAULT;
3847fcf3ce44SJohn Forte 				break;
3848fcf3ce44SJohn Forte 			}
3849fcf3ce44SJohn Forte 		}
3850fcf3ce44SJohn Forte 
3851fcf3ce44SJohn Forte 		/*
3852fcf3ce44SJohn Forte 		 * If a caller cdb is present allocate duplicate
3853fcf3ce44SJohn Forte 		 * kernel space and copyin caller memory.
3854fcf3ce44SJohn Forte 		 */
3855fcf3ce44SJohn Forte 		if (iu.iu_ucmd.uscsi_cdblen > 0) {
3856fcf3ce44SJohn Forte 			iu.iu_ucmd.uscsi_cdb = (caddr_t)kmem_alloc(
3857fcf3ce44SJohn Forte 			    iu_caller.iu_ucmd.uscsi_cdblen, KM_SLEEP);
3858fcf3ce44SJohn Forte 			if (ddi_copyin(iu_caller.iu_ucmd.uscsi_cdb,
3859fcf3ce44SJohn Forte 			    iu.iu_ucmd.uscsi_cdb,
3860fcf3ce44SJohn Forte 			    iu.iu_ucmd.uscsi_cdblen, mode)) {
3861fcf3ce44SJohn Forte 				if (iu.iu_ucmd.uscsi_buflen > 0) {
3862fcf3ce44SJohn Forte 					kmem_free(iu.iu_ucmd.uscsi_bufaddr,
3863fcf3ce44SJohn Forte 					    iu_caller.iu_ucmd.uscsi_buflen);
3864fcf3ce44SJohn Forte 				}
3865fcf3ce44SJohn Forte 				rw_exit(&ihp->hba_sess_list_rwlock);
3866fcf3ce44SJohn Forte 				rtn = EFAULT;
3867fcf3ce44SJohn Forte 				break;
3868fcf3ce44SJohn Forte 			}
3869fcf3ce44SJohn Forte 		}
3870fcf3ce44SJohn Forte 
3871fcf3ce44SJohn Forte 		/*
3872fcf3ce44SJohn Forte 		 * If a caller request sense is present allocate
3873fcf3ce44SJohn Forte 		 * duplicate kernel space.  No need to copyin.
3874fcf3ce44SJohn Forte 		 */
3875fcf3ce44SJohn Forte 		if (iu.iu_ucmd.uscsi_rqlen > 0) {
3876fcf3ce44SJohn Forte 			iu.iu_ucmd.uscsi_rqbuf = (caddr_t)kmem_alloc(
3877fcf3ce44SJohn Forte 			    iu.iu_ucmd.uscsi_rqlen, KM_SLEEP);
3878fcf3ce44SJohn Forte 		}
3879fcf3ce44SJohn Forte 
3880fcf3ce44SJohn Forte 		/* issue passthru to io path handler */
3881fcf3ce44SJohn Forte 		rtn = iscsi_handle_passthru(isp, iu.iu_lun, &iu.iu_ucmd);
3882fcf3ce44SJohn Forte 		if (rtn != 0) {
3883fcf3ce44SJohn Forte 			rtn = EFAULT;
3884fcf3ce44SJohn Forte 		}
3885fcf3ce44SJohn Forte 
3886fcf3ce44SJohn Forte 		/*
3887fcf3ce44SJohn Forte 		 * If the caller had a buf we need to do a copyout
3888fcf3ce44SJohn Forte 		 * and free the kernel memory
3889fcf3ce44SJohn Forte 		 */
3890fcf3ce44SJohn Forte 		if (iu.iu_ucmd.uscsi_buflen > 0) {
3891fcf3ce44SJohn Forte 			if (ddi_copyout(iu.iu_ucmd.uscsi_bufaddr,
3892fcf3ce44SJohn Forte 			    iu_caller.iu_ucmd.uscsi_bufaddr,
3893fcf3ce44SJohn Forte 			    iu.iu_ucmd.uscsi_buflen, mode) != 0) {
3894fcf3ce44SJohn Forte 				rtn = EFAULT;
3895fcf3ce44SJohn Forte 			}
3896fcf3ce44SJohn Forte 			kmem_free(iu.iu_ucmd.uscsi_bufaddr,
3897fcf3ce44SJohn Forte 			    iu.iu_ucmd.uscsi_buflen);
3898fcf3ce44SJohn Forte 		}
3899fcf3ce44SJohn Forte 
3900fcf3ce44SJohn Forte 		/* We need to free kernel cdb, no need to copyout */
3901fcf3ce44SJohn Forte 		if (iu.iu_ucmd.uscsi_cdblen > 0) {
3902fcf3ce44SJohn Forte 			kmem_free(iu.iu_ucmd.uscsi_cdb,
3903fcf3ce44SJohn Forte 			    iu.iu_ucmd.uscsi_cdblen);
3904fcf3ce44SJohn Forte 		}
3905fcf3ce44SJohn Forte 
3906fcf3ce44SJohn Forte 		/*
3907fcf3ce44SJohn Forte 		 * If the caller had a request sense we need to
3908fcf3ce44SJohn Forte 		 * do a copyout and free the kernel memory
3909fcf3ce44SJohn Forte 		 */
3910fcf3ce44SJohn Forte 		if (iu.iu_ucmd.uscsi_rqlen > 0) {
3911fcf3ce44SJohn Forte 			if (ddi_copyout(iu.iu_ucmd.uscsi_rqbuf,
3912fcf3ce44SJohn Forte 			    iu_caller.iu_ucmd.uscsi_rqbuf,
3913fcf3ce44SJohn Forte 			    iu.iu_ucmd.uscsi_rqlen, mode) != 0) {
3914fcf3ce44SJohn Forte 				rtn = EFAULT;
3915fcf3ce44SJohn Forte 			}
3916fcf3ce44SJohn Forte 			kmem_free(iu.iu_ucmd.uscsi_rqbuf,
3917fcf3ce44SJohn Forte 			    iu.iu_ucmd.uscsi_rqlen);
3918fcf3ce44SJohn Forte 		}
3919fcf3ce44SJohn Forte 
3920fcf3ce44SJohn Forte #ifdef _MULTI_DATAMODEL
3921fcf3ce44SJohn Forte 		if (iu.iu_ucmd.uscsi_status != 0) {
3922fcf3ce44SJohn Forte 			switch (model = ddi_model_convert_from(
3923fcf3ce44SJohn Forte 			    mode & FMODELS)) {
3924fcf3ce44SJohn Forte 			case DDI_MODEL_ILP32:
3925fcf3ce44SJohn Forte 				iu32_caller.iu_ucmd.uscsi_status =
3926fcf3ce44SJohn Forte 				    iu.iu_ucmd.uscsi_status;
3927fcf3ce44SJohn Forte 				if (ddi_copyout((void *)&iu32_caller,
3928fcf3ce44SJohn Forte 				    (caddr_t)arg, sizeof (iscsi_uscsi32_t),
3929fcf3ce44SJohn Forte 				    mode) != 0) {
3930fcf3ce44SJohn Forte 					rtn = EFAULT;
3931fcf3ce44SJohn Forte 				}
3932fcf3ce44SJohn Forte 				break;
3933fcf3ce44SJohn Forte 			case DDI_MODEL_NONE:
3934fcf3ce44SJohn Forte 				iu_caller.iu_ucmd.uscsi_status =
3935fcf3ce44SJohn Forte 				    iu.iu_ucmd.uscsi_status;
3936fcf3ce44SJohn Forte 				if (ddi_copyout((void *)&iu_caller,
3937fcf3ce44SJohn Forte 				    (caddr_t)arg, sizeof (iscsi_uscsi_t),
3938fcf3ce44SJohn Forte 				    mode) != 0) {
3939fcf3ce44SJohn Forte 					rtn = EFAULT;
3940fcf3ce44SJohn Forte 				}
3941fcf3ce44SJohn Forte 				break;
3942fcf3ce44SJohn Forte 			default:
3943fcf3ce44SJohn Forte 				ASSERT(FALSE);
3944fcf3ce44SJohn Forte 			}
3945fcf3ce44SJohn Forte 		}
3946fcf3ce44SJohn Forte #endif /* _MULTI_DATAMODEL */
3947fcf3ce44SJohn Forte 		rw_exit(&ihp->hba_sess_list_rwlock);
3948fcf3ce44SJohn Forte 		break;
3949fcf3ce44SJohn Forte 
39504246c8e9SJack Meng 	case ISCSI_SMF_ONLINE:
3951fcf3ce44SJohn Forte 		if (ddi_copyin((caddr_t)arg, &did, sizeof (int), mode) != 0) {
3952fcf3ce44SJohn Forte 			rtn = EFAULT;
39534246c8e9SJack Meng 			break;
3954fcf3ce44SJohn Forte 		}
39554246c8e9SJack Meng 		/* just a theoretical case */
39564246c8e9SJack Meng 		if (ihp->hba_persistent_loaded == B_FALSE) {
3957fcf3ce44SJohn Forte 			rtn = EFAULT;
39584246c8e9SJack Meng 			break;
3959fcf3ce44SJohn Forte 		}
39604246c8e9SJack Meng 
39614246c8e9SJack Meng 		if (iscsi_enter_service_zone(ihp, ISCSI_SERVICE_ENABLED) ==
39624246c8e9SJack Meng 		    B_FALSE) {
39634246c8e9SJack Meng 			break;
39644246c8e9SJack Meng 		}
39654246c8e9SJack Meng 
39664246c8e9SJack Meng 		rval = iscsi_door_bind(did);
39674246c8e9SJack Meng 		if (rval == B_TRUE) {
39684246c8e9SJack Meng 			rval = iscsid_start(ihp);
39694246c8e9SJack Meng 			if (rval == B_FALSE) {
39704246c8e9SJack Meng 				iscsi_door_unbind();
39714246c8e9SJack Meng 			}
39724246c8e9SJack Meng 		}
39734246c8e9SJack Meng 
39744246c8e9SJack Meng 		if (rval == B_TRUE) {
39754246c8e9SJack Meng 			iscsi_exit_service_zone(ihp, ISCSI_SERVICE_ENABLED);
39764246c8e9SJack Meng 		} else {
39774246c8e9SJack Meng 			iscsi_exit_service_zone(ihp, ISCSI_SERVICE_DISABLED);
39784246c8e9SJack Meng 			rtn = EFAULT;
39794246c8e9SJack Meng 		}
39804246c8e9SJack Meng 
39814246c8e9SJack Meng 		break;
39824246c8e9SJack Meng 
39834246c8e9SJack Meng 	case ISCSI_SMF_OFFLINE:
39844246c8e9SJack Meng 		if (iscsi_enter_service_zone(ihp, ISCSI_SERVICE_DISABLED)
39854246c8e9SJack Meng 		    == B_FALSE) {
39864246c8e9SJack Meng 			break;
39874246c8e9SJack Meng 		}
39884246c8e9SJack Meng 
39894246c8e9SJack Meng 		rval = iscsid_stop(ihp);
39904246c8e9SJack Meng 
39914246c8e9SJack Meng 		if (rval == B_TRUE) {
39924246c8e9SJack Meng 			iscsi_exit_service_zone(ihp, ISCSI_SERVICE_DISABLED);
39934246c8e9SJack Meng 			iscsi_door_unbind();
3994329c9e3dSJack Meng 		} else {
39954246c8e9SJack Meng 			iscsi_exit_service_zone(ihp, ISCSI_SERVICE_ENABLED);
39964246c8e9SJack Meng 			rtn = EFAULT;
39974246c8e9SJack Meng 		}
39984246c8e9SJack Meng 		break;
39994246c8e9SJack Meng 
40004246c8e9SJack Meng 	case ISCSI_SMF_GET:
40014246c8e9SJack Meng 		mutex_enter(&ihp->hba_service_lock);
40024246c8e9SJack Meng 		while (ihp->hba_service_status ==
40034246c8e9SJack Meng 		    ISCSI_SERVICE_TRANSITION) {
40044246c8e9SJack Meng 			cv_wait(&ihp->hba_service_cv,
40054246c8e9SJack Meng 			    &ihp->hba_service_lock);
40064246c8e9SJack Meng 		}
40074246c8e9SJack Meng 		if (ddi_copyout((void *)&ihp->hba_service_status,
40084246c8e9SJack Meng 		    (caddr_t)arg, sizeof (boolean_t), mode) != 0) {
40094246c8e9SJack Meng 			rtn = EFAULT;
40104246c8e9SJack Meng 		}
40114246c8e9SJack Meng 		mutex_exit(&ihp->hba_service_lock);
4012fcf3ce44SJohn Forte 		break;
4013fcf3ce44SJohn Forte 
4014fcf3ce44SJohn Forte 	case ISCSI_DISCOVERY_EVENTS:
4015fcf3ce44SJohn Forte 		/*
4016fcf3ce44SJohn Forte 		 * If discovery has not been completed and not in progress,
4017fcf3ce44SJohn Forte 		 * poke the discovery methods
4018fcf3ce44SJohn Forte 		 */
4019fcf3ce44SJohn Forte 		mutex_enter(&ihp->hba_discovery_events_mutex);
4020fcf3ce44SJohn Forte 		method = ihp->hba_discovery_events;
4021fcf3ce44SJohn Forte 		if ((method != ISCSI_ALL_DISCOVERY_METHODS) &&
4022fcf3ce44SJohn Forte 		    (ihp->hba_discovery_in_progress == B_FALSE)) {
4023fcf3ce44SJohn Forte 			ihp->hba_discovery_in_progress = B_TRUE;
4024fcf3ce44SJohn Forte 			mutex_exit(&ihp->hba_discovery_events_mutex);
4025fcf3ce44SJohn Forte 			iscsid_poke_discovery(ihp, iSCSIDiscoveryMethodUnknown);
4026fcf3ce44SJohn Forte 			mutex_enter(&ihp->hba_discovery_events_mutex);
4027fcf3ce44SJohn Forte 			ihp->hba_discovery_in_progress = B_FALSE;
4028fcf3ce44SJohn Forte 			method = ihp->hba_discovery_events;
4029fcf3ce44SJohn Forte 		}
4030fcf3ce44SJohn Forte 		mutex_exit(&ihp->hba_discovery_events_mutex);
4031fcf3ce44SJohn Forte 
4032fcf3ce44SJohn Forte 		if (ddi_copyout((void *)&method, (caddr_t)arg,
4033fcf3ce44SJohn Forte 		    sizeof (method), mode) != 0)
4034fcf3ce44SJohn Forte 			rtn = EFAULT;
4035fcf3ce44SJohn Forte 		break;
4036fcf3ce44SJohn Forte 
4037fcf3ce44SJohn Forte 	/*
4038fcf3ce44SJohn Forte 	 * ISCSI_SENDTGTS_GET --
4039fcf3ce44SJohn Forte 	 */
4040fcf3ce44SJohn Forte 	case ISCSI_SENDTGTS_GET:
4041fcf3ce44SJohn Forte 		stl_hdr = iscsi_ioctl_copyin((caddr_t)arg, mode,
4042fcf3ce44SJohn Forte 		    sizeof (*stl_hdr));
4043fcf3ce44SJohn Forte 		if (stl_hdr == NULL) {
4044fcf3ce44SJohn Forte 			rtn = EFAULT;
4045fcf3ce44SJohn Forte 			break;
4046fcf3ce44SJohn Forte 		}
4047fcf3ce44SJohn Forte 
4048fcf3ce44SJohn Forte 		if (stl_hdr->stl_entry.e_vers != ISCSI_INTERFACE_VERSION) {
4049fcf3ce44SJohn Forte 			rtn = EINVAL;
4050fcf3ce44SJohn Forte 			kmem_free(stl_hdr, sizeof (*stl_hdr));
4051fcf3ce44SJohn Forte 			break;
4052fcf3ce44SJohn Forte 		}
4053fcf3ce44SJohn Forte 
4054fcf3ce44SJohn Forte 		/* calculate how much memory user allocated for SendTgts */
4055fcf3ce44SJohn Forte 		stl_sz = sizeof (*stl_hdr);
4056fcf3ce44SJohn Forte 		if (stl_hdr->stl_in_cnt > 0) {
4057fcf3ce44SJohn Forte 			stl_sz += ((stl_hdr->stl_in_cnt - 1) *
4058fcf3ce44SJohn Forte 			    sizeof (iscsi_sendtgts_entry_t));
4059fcf3ce44SJohn Forte 		}
4060fcf3ce44SJohn Forte 
4061fcf3ce44SJohn Forte 		/* allocate local SendTgts list of the same size */
4062fcf3ce44SJohn Forte 		istl = kmem_zalloc(stl_sz, KM_SLEEP);
4063fcf3ce44SJohn Forte 		bcopy(stl_hdr, istl, sizeof (*stl_hdr));
4064fcf3ce44SJohn Forte 		kmem_free(stl_hdr, sizeof (*stl_hdr));
4065fcf3ce44SJohn Forte 
4066fcf3ce44SJohn Forte 		/* lock interface so only one SendTargets operation occurs */
4067fcf3ce44SJohn Forte 		sema_p(&ihp->hba_sendtgts_semaphore);
4068fcf3ce44SJohn Forte 
4069fcf3ce44SJohn Forte 		rtn = iscsi_ioctl_sendtgts_get(ihp, istl);
4070fcf3ce44SJohn Forte 
4071fcf3ce44SJohn Forte 		if (rtn == 0) {
4072fcf3ce44SJohn Forte 			rtn = iscsi_ioctl_copyout(istl, stl_sz,
4073fcf3ce44SJohn Forte 			    (caddr_t)arg, mode);
4074fcf3ce44SJohn Forte 		}
4075fcf3ce44SJohn Forte 
4076fcf3ce44SJohn Forte 		/* release lock to allow another SendTargets discovery */
4077fcf3ce44SJohn Forte 		sema_v(&ihp->hba_sendtgts_semaphore);
4078fcf3ce44SJohn Forte 
4079fcf3ce44SJohn Forte 		break;
4080fcf3ce44SJohn Forte 
4081fcf3ce44SJohn Forte 		/*
4082fcf3ce44SJohn Forte 		 * ISCSI_ISNS_SERVER_GET --
4083fcf3ce44SJohn Forte 		 */
4084fcf3ce44SJohn Forte 	case ISCSI_ISNS_SERVER_GET:
4085fcf3ce44SJohn Forte 		server_pg_list_hdr = iscsi_ioctl_copyin((caddr_t)arg, mode,
4086fcf3ce44SJohn Forte 		    sizeof (*server_pg_list_hdr));
4087fcf3ce44SJohn Forte 		if (server_pg_list_hdr == NULL) {
4088fcf3ce44SJohn Forte 			rtn = EFAULT;
4089fcf3ce44SJohn Forte 			break;
4090fcf3ce44SJohn Forte 		}
4091fcf3ce44SJohn Forte 
4092fcf3ce44SJohn Forte 		/* If iSNS discovery mode is not set, return with zero entry */
4093fcf3ce44SJohn Forte 		method = persistent_disc_meth_get();
4094fcf3ce44SJohn Forte 		if ((method & iSCSIDiscoveryMethodISNS) == 0) {
40959ad4dd06SSheng-Liang Eric Zhang 			kmem_free(server_pg_list_hdr,
40969ad4dd06SSheng-Liang Eric Zhang 			    sizeof (*server_pg_list_hdr));
40979ad4dd06SSheng-Liang Eric Zhang 			server_pg_list_hdr = NULL;
4098fcf3ce44SJohn Forte 			rtn = EACCES;
4099fcf3ce44SJohn Forte 			break;
4100fcf3ce44SJohn Forte 		}
4101fcf3ce44SJohn Forte 
4102fcf3ce44SJohn Forte 		initiator_node_name = kmem_zalloc(ISCSI_MAX_NAME_LEN, KM_SLEEP);
4103fcf3ce44SJohn Forte 		if (persistent_initiator_name_get(initiator_node_name,
4104fcf3ce44SJohn Forte 		    ISCSI_MAX_NAME_LEN) != B_TRUE) {
4105fcf3ce44SJohn Forte 			kmem_free(initiator_node_name, ISCSI_MAX_NAME_LEN);
4106fcf3ce44SJohn Forte 			initiator_node_name = NULL;
4107fcf3ce44SJohn Forte 			kmem_free(server_pg_list_hdr,
4108fcf3ce44SJohn Forte 			    sizeof (*server_pg_list_hdr));
41099ad4dd06SSheng-Liang Eric Zhang 			server_pg_list_hdr = NULL;
4110fcf3ce44SJohn Forte 			rtn = EIO;
4111fcf3ce44SJohn Forte 			break;
4112fcf3ce44SJohn Forte 		}
4113fcf3ce44SJohn Forte 		if (strlen(initiator_node_name) == 0) {
4114fcf3ce44SJohn Forte 			kmem_free(initiator_node_name, ISCSI_MAX_NAME_LEN);
4115fcf3ce44SJohn Forte 			initiator_node_name = NULL;
4116fcf3ce44SJohn Forte 			kmem_free(server_pg_list_hdr,
4117fcf3ce44SJohn Forte 			    sizeof (*server_pg_list_hdr));
41189ad4dd06SSheng-Liang Eric Zhang 			server_pg_list_hdr = NULL;
4119fcf3ce44SJohn Forte 			rtn = EIO;
4120fcf3ce44SJohn Forte 			break;
4121fcf3ce44SJohn Forte 		}
4122fcf3ce44SJohn Forte 
4123fcf3ce44SJohn Forte 		initiator_node_alias = kmem_zalloc(
4124fcf3ce44SJohn Forte 		    ISCSI_MAX_NAME_LEN, KM_SLEEP);
4125fcf3ce44SJohn Forte 		if (persistent_alias_name_get(initiator_node_alias,
4126fcf3ce44SJohn Forte 		    ISCSI_MAX_NAME_LEN) != B_TRUE) {
4127fcf3ce44SJohn Forte 			initiator_node_alias[0] = '\0';
4128fcf3ce44SJohn Forte 		}
4129fcf3ce44SJohn Forte 		rtn = isns_query_one_server(&(server_pg_list_hdr->addr),
4130fcf3ce44SJohn Forte 		    ihp->hba_isid,
4131fcf3ce44SJohn Forte 		    (uint8_t *)initiator_node_name,
4132fcf3ce44SJohn Forte 		    (uint8_t *)initiator_node_alias,
4133fcf3ce44SJohn Forte 		    ISNS_INITIATOR_NODE_TYPE,
4134fcf3ce44SJohn Forte 		    &pg_list);
4135fcf3ce44SJohn Forte 		if (rtn != isns_ok || pg_list == NULL) {
4136fcf3ce44SJohn Forte 			kmem_free(initiator_node_name, ISCSI_MAX_NAME_LEN);
4137fcf3ce44SJohn Forte 			initiator_node_name = NULL;
4138fcf3ce44SJohn Forte 			kmem_free(initiator_node_alias, ISCSI_MAX_NAME_LEN);
4139fcf3ce44SJohn Forte 			initiator_node_alias = NULL;
4140fcf3ce44SJohn Forte 			kmem_free(server_pg_list_hdr,
4141fcf3ce44SJohn Forte 			    sizeof (*server_pg_list_hdr));
4142fcf3ce44SJohn Forte 			server_pg_list_hdr = NULL;
4143fcf3ce44SJohn Forte 			rtn = EIO;
4144fcf3ce44SJohn Forte 			break;
4145fcf3ce44SJohn Forte 		}
4146fcf3ce44SJohn Forte 
4147fcf3ce44SJohn Forte 		/*
4148fcf3ce44SJohn Forte 		 * pg_list_sz is the size of the pg_list returned from the
4149fcf3ce44SJohn Forte 		 *	isns_query_all
4150fcf3ce44SJohn Forte 		 *
4151fcf3ce44SJohn Forte 		 * pg_sz_copy_out is the size of the pg_list we are going to
4152fcf3ce44SJohn Forte 		 *	return back to the caller
4153fcf3ce44SJohn Forte 		 *
4154fcf3ce44SJohn Forte 		 * server_pg_list_sz is total amount of data we are returning
4155fcf3ce44SJohn Forte 		 *	back to the caller
4156fcf3ce44SJohn Forte 		 */
4157fcf3ce44SJohn Forte 		pg_list->pg_in_cnt =
4158fcf3ce44SJohn Forte 		    server_pg_list_hdr->addr_port_list.pg_in_cnt;
4159fcf3ce44SJohn Forte 		pg_list_sz = sizeof (isns_portal_group_list_t);
4160fcf3ce44SJohn Forte 		if (pg_list->pg_out_cnt > 0) {
4161fcf3ce44SJohn Forte 			pg_list_sz += (pg_list->pg_out_cnt - 1) *
4162fcf3ce44SJohn Forte 			    sizeof (isns_portal_group_t);
4163fcf3ce44SJohn Forte 		}
4164fcf3ce44SJohn Forte 		/*
4165fcf3ce44SJohn Forte 		 * check if caller passed in a buffer with enough space
4166fcf3ce44SJohn Forte 		 * if there isn't enough space, fill the caller's buffer with
4167fcf3ce44SJohn Forte 		 * as much information as possible.
4168fcf3ce44SJohn Forte 		 *
4169fcf3ce44SJohn Forte 		 * if pg_out_cnt > pg_in_cnt, pg_out_cnt will be returned with
4170fcf3ce44SJohn Forte 		 * the total number of targets found
4171fcf3ce44SJohn Forte 		 *
4172fcf3ce44SJohn Forte 		 * if pg_out_cnt < pg_in_cnt, pg_out_cnt will be the number
4173fcf3ce44SJohn Forte 		 * of targets returned
4174fcf3ce44SJohn Forte 		 */
4175fcf3ce44SJohn Forte 		if (pg_list->pg_in_cnt < pg_list->pg_out_cnt) {
4176fcf3ce44SJohn Forte 			pg_sz_copy_out = sizeof (isns_portal_group_list_t);
4177fcf3ce44SJohn Forte 			if (pg_list->pg_in_cnt > 0) {
4178fcf3ce44SJohn Forte 				pg_sz_copy_out += (pg_list->pg_in_cnt - 1) *
4179fcf3ce44SJohn Forte 				    sizeof (isns_portal_group_t);
4180fcf3ce44SJohn Forte 			}
4181fcf3ce44SJohn Forte 			server_pg_list_sz =
4182fcf3ce44SJohn Forte 			    sizeof (isns_server_portal_group_list_t);
4183fcf3ce44SJohn Forte 			if (pg_list->pg_in_cnt > 0) {
4184fcf3ce44SJohn Forte 				server_pg_list_sz += (pg_list->pg_in_cnt - 1) *
4185fcf3ce44SJohn Forte 				    sizeof (isns_portal_group_t);
4186fcf3ce44SJohn Forte 			}
4187fcf3ce44SJohn Forte 		} else {
4188fcf3ce44SJohn Forte 			pg_sz_copy_out = pg_list_sz;
4189fcf3ce44SJohn Forte 			server_pg_list_sz =
4190fcf3ce44SJohn Forte 			    sizeof (isns_server_portal_group_list_t);
4191fcf3ce44SJohn Forte 			if (pg_list->pg_out_cnt > 0) {
4192fcf3ce44SJohn Forte 				server_pg_list_sz += (pg_list->pg_out_cnt - 1) *
4193fcf3ce44SJohn Forte 				    sizeof (isns_portal_group_t);
4194fcf3ce44SJohn Forte 			}
4195fcf3ce44SJohn Forte 		}
4196fcf3ce44SJohn Forte 
4197fcf3ce44SJohn Forte 		server_pg_list = (isns_server_portal_group_list_t *)kmem_zalloc(
4198fcf3ce44SJohn Forte 		    server_pg_list_sz, KM_SLEEP);
4199fcf3ce44SJohn Forte 
4200fcf3ce44SJohn Forte 		bcopy(&(server_pg_list_hdr->addr), &(server_pg_list->addr),
4201fcf3ce44SJohn Forte 		    sizeof (server_pg_list->addr));
4202fcf3ce44SJohn Forte 		bcopy(pg_list, &server_pg_list->addr_port_list, pg_sz_copy_out);
4203fcf3ce44SJohn Forte 
4204fcf3ce44SJohn Forte 		if (ddi_copyout(server_pg_list, (caddr_t)arg, server_pg_list_sz,
4205fcf3ce44SJohn Forte 		    mode) != 0) {
4206fcf3ce44SJohn Forte 			rtn = EFAULT;
4207fcf3ce44SJohn Forte 		}
4208fcf3ce44SJohn Forte 		DTRACE_PROBE1(iscsi_ioctl_iscsi_isns_server_get_pg_sz,
4209fcf3ce44SJohn Forte 		    int, pg_list_sz);
42109ad4dd06SSheng-Liang Eric Zhang 		kmem_free(initiator_node_name, ISCSI_MAX_NAME_LEN);
42119ad4dd06SSheng-Liang Eric Zhang 		initiator_node_name = NULL;
42129ad4dd06SSheng-Liang Eric Zhang 		kmem_free(initiator_node_alias, ISCSI_MAX_NAME_LEN);
42139ad4dd06SSheng-Liang Eric Zhang 		initiator_node_alias = NULL;
4214fcf3ce44SJohn Forte 		kmem_free(pg_list, pg_list_sz);
42159ad4dd06SSheng-Liang Eric Zhang 		pg_list = NULL;
4216fcf3ce44SJohn Forte 		kmem_free(server_pg_list, server_pg_list_sz);
42179ad4dd06SSheng-Liang Eric Zhang 		server_pg_list = NULL;
4218fcf3ce44SJohn Forte 		kmem_free(server_pg_list_hdr, sizeof (*server_pg_list_hdr));
42199ad4dd06SSheng-Liang Eric Zhang 		server_pg_list_hdr = NULL;
4220fcf3ce44SJohn Forte 		break;
4221fcf3ce44SJohn Forte 
4222fcf3ce44SJohn Forte 	/*
4223fcf3ce44SJohn Forte 	 * ISCSI_GET_CONFIG_SESSIONS --
4224fcf3ce44SJohn Forte 	 */
4225fcf3ce44SJohn Forte 	case ISCSI_GET_CONFIG_SESSIONS:
4226fcf3ce44SJohn Forte 		/* FALLTHRU */
4227fcf3ce44SJohn Forte 
4228fcf3ce44SJohn Forte 	case ISCSI_SET_CONFIG_SESSIONS:
4229fcf3ce44SJohn Forte 		size = sizeof (*ics);
4230fcf3ce44SJohn Forte 		ics = iscsi_ioctl_copyin((caddr_t)arg, mode, size);
4231fcf3ce44SJohn Forte 		if (ics == NULL) {
4232fcf3ce44SJohn Forte 			rtn = EFAULT;
4233fcf3ce44SJohn Forte 			break;
4234fcf3ce44SJohn Forte 		}
4235fcf3ce44SJohn Forte 
4236fcf3ce44SJohn Forte 		/* verify version infomration */
4237fcf3ce44SJohn Forte 		if (ics->ics_ver != ISCSI_INTERFACE_VERSION) {
4238fcf3ce44SJohn Forte 			rtn = EINVAL;
4239fcf3ce44SJohn Forte 			kmem_free(ics, size);
42409ad4dd06SSheng-Liang Eric Zhang 			ics = NULL;
4241fcf3ce44SJohn Forte 			break;
4242fcf3ce44SJohn Forte 		}
4243fcf3ce44SJohn Forte 
4244fcf3ce44SJohn Forte 		/* Check to see if we need to copy in more memory */
4245fcf3ce44SJohn Forte 		if (ics->ics_in > 1) {
4246fcf3ce44SJohn Forte 			/* record correct size */
4247fcf3ce44SJohn Forte 			size = ISCSI_SESSION_CONFIG_SIZE(ics->ics_in);
4248fcf3ce44SJohn Forte 			/* free old buffer */
4249fcf3ce44SJohn Forte 			kmem_free(ics, sizeof (*ics));
4250fcf3ce44SJohn Forte 
4251fcf3ce44SJohn Forte 			/* copy in complete buffer size */
4252fcf3ce44SJohn Forte 			ics = iscsi_ioctl_copyin((caddr_t)arg, mode, size);
4253fcf3ce44SJohn Forte 			if (ics == NULL) {
4254fcf3ce44SJohn Forte 				rtn = EFAULT;
4255fcf3ce44SJohn Forte 				break;
4256fcf3ce44SJohn Forte 			}
4257fcf3ce44SJohn Forte 		}
4258fcf3ce44SJohn Forte 
4259fcf3ce44SJohn Forte 		/* switch action based on get or set */
4260fcf3ce44SJohn Forte 		if (cmd == ISCSI_GET_CONFIG_SESSIONS) {
4261fcf3ce44SJohn Forte 			/* get */
4262fcf3ce44SJohn Forte 			rtn = iscsi_ioctl_get_config_sess(ihp, ics);
4263fcf3ce44SJohn Forte 			if (rtn == 0) {
4264fcf3ce44SJohn Forte 				/* copyout data for gets */
4265fcf3ce44SJohn Forte 				rtn = iscsi_ioctl_copyout(ics, size,
4266fcf3ce44SJohn Forte 				    (caddr_t)arg, mode);
42679ad4dd06SSheng-Liang Eric Zhang 			} else {
42689ad4dd06SSheng-Liang Eric Zhang 				kmem_free(ics, size);
42699ad4dd06SSheng-Liang Eric Zhang 				ics = NULL;
4270fcf3ce44SJohn Forte 			}
4271fcf3ce44SJohn Forte 		} else {
4272fcf3ce44SJohn Forte 			/* set */
4273fcf3ce44SJohn Forte 			rtn = iscsi_ioctl_set_config_sess(ihp, ics);
42746cefaae1SJack Meng 			if (iscsiboot_prop) {
42756cefaae1SJack Meng 				if (iscsi_cmp_boot_sess_oid(ihp,
42766cefaae1SJack Meng 				    ics->ics_oid)) {
42776cefaae1SJack Meng 					/*
42786cefaae1SJack Meng 					 * found active session for this object
42796cefaae1SJack Meng 					 * or this is initiator object
42806cefaae1SJack Meng 					 * with mpxio enabled
42816cefaae1SJack Meng 					 */
42826cefaae1SJack Meng 					if (!iscsi_reconfig_boot_sess(ihp)) {
42839ad4dd06SSheng-Liang Eric Zhang 						kmem_free(ics, size);
42849ad4dd06SSheng-Liang Eric Zhang 						ics = NULL;
42856cefaae1SJack Meng 						rtn = EINVAL;
42866cefaae1SJack Meng 						break;
42876cefaae1SJack Meng 					}
42886cefaae1SJack Meng 				}
42896cefaae1SJack Meng 			}
42909ad4dd06SSheng-Liang Eric Zhang 			kmem_free(ics, size);
42919ad4dd06SSheng-Liang Eric Zhang 			ics = NULL;
4292fcf3ce44SJohn Forte 		}
4293fcf3ce44SJohn Forte 		break;
4294fcf3ce44SJohn Forte 
42956cefaae1SJack Meng 	case ISCSI_IS_ACTIVE:
42966cefaae1SJack Meng 		/*
42976cefaae1SJack Meng 		 * dhcpagent calls here to check if there are
42986cefaae1SJack Meng 		 * active iSCSI sessions
42996cefaae1SJack Meng 		 */
43006cefaae1SJack Meng 		instance = 0;
43016cefaae1SJack Meng 		if (iscsiboot_prop) {
43026cefaae1SJack Meng 			instance = 1;
43036cefaae1SJack Meng 		}
43046cefaae1SJack Meng 		if (!instance) {
43056cefaae1SJack Meng 			rw_enter(&ihp->hba_sess_list_rwlock,
43066cefaae1SJack Meng 			    RW_READER);
43076cefaae1SJack Meng 			for (isp = ihp->hba_sess_list; isp;
43086cefaae1SJack Meng 			    isp = isp->sess_next) {
43096cefaae1SJack Meng 				if ((isp->sess_state ==
43106cefaae1SJack Meng 				    ISCSI_SESS_STATE_LOGGED_IN) &&
43116cefaae1SJack Meng 				    (isp->sess_lun_list !=
43126cefaae1SJack Meng 				    NULL)) {
43136cefaae1SJack Meng 					instance = 1;
43146cefaae1SJack Meng 					break;
43156cefaae1SJack Meng 				}
43166cefaae1SJack Meng 			}
43176cefaae1SJack Meng 			rw_exit(&ihp->hba_sess_list_rwlock);
43186cefaae1SJack Meng 		}
43196cefaae1SJack Meng 		size = sizeof (instance);
43206cefaae1SJack Meng 		if (ddi_copyout(&instance, (caddr_t)arg, size,
43216cefaae1SJack Meng 		    mode) != 0) {
43226cefaae1SJack Meng 			rtn = EFAULT;
43236cefaae1SJack Meng 		}
43246cefaae1SJack Meng 		break;
43256cefaae1SJack Meng 
43266cefaae1SJack Meng 	case ISCSI_BOOTPROP_GET:
43276cefaae1SJack Meng 		size = sizeof (*bootProp);
43286cefaae1SJack Meng 		bootProp = iscsi_ioctl_copyin((caddr_t)arg, mode, size);
43296cefaae1SJack Meng 		if (bootProp == NULL) {
43306cefaae1SJack Meng 			rtn = EFAULT;
43316cefaae1SJack Meng 			break;
43326cefaae1SJack Meng 		}
43336cefaae1SJack Meng 		bootProp->hba_mpxio_enabled =
43346cefaae1SJack Meng 		    iscsi_chk_bootlun_mpxio(ihp);
43356cefaae1SJack Meng 		if (iscsiboot_prop == NULL) {
43366cefaae1SJack Meng 			bootProp->iscsiboot = 0;
43376cefaae1SJack Meng 			rtn = iscsi_ioctl_copyout(bootProp, size,
43386cefaae1SJack Meng 			    (caddr_t)arg, mode);
43396cefaae1SJack Meng 			break;
43406cefaae1SJack Meng 		} else {
43416cefaae1SJack Meng 			bootProp->iscsiboot = 1;
43426cefaae1SJack Meng 		}
43436cefaae1SJack Meng 
43446cefaae1SJack Meng 		if (iscsiboot_prop->boot_init.ini_name != NULL) {
43456cefaae1SJack Meng 			(void) strncpy((char *)bootProp->ini_name.n_name,
43466cefaae1SJack Meng 			    (char *)iscsiboot_prop->boot_init.ini_name,
43476cefaae1SJack Meng 			    ISCSI_MAX_NAME_LEN);
43486cefaae1SJack Meng 		}
43496cefaae1SJack Meng 		if (iscsiboot_prop->boot_init.ini_chap_name != NULL) {
43506cefaae1SJack Meng 			bootProp->auth.a_auth_method = authMethodCHAP;
43516cefaae1SJack Meng 			(void) strncpy((char *)bootProp->ini_chap.c_user,
43526cefaae1SJack Meng 			    (char *)iscsiboot_prop->boot_init.ini_chap_name,
43536cefaae1SJack Meng 			    ISCSI_MAX_NAME_LEN);
43546cefaae1SJack Meng 			(void) strncpy((char *)bootProp->ini_chap.c_secret,
43556cefaae1SJack Meng 			    (char *)iscsiboot_prop->boot_init.ini_chap_sec,
43566cefaae1SJack Meng 			    ISCSI_CHAP_SECRET_LEN);
43576cefaae1SJack Meng 			if (iscsiboot_prop->boot_tgt.tgt_chap_name !=
43586cefaae1SJack Meng 			    NULL) {
43596cefaae1SJack Meng 				bootProp->auth.a_bi_auth = B_TRUE;
43606cefaae1SJack Meng 			} else {
43616cefaae1SJack Meng 				bootProp->auth.a_bi_auth = B_FALSE;
43626cefaae1SJack Meng 			}
43636cefaae1SJack Meng 		}
43646cefaae1SJack Meng 		if (iscsiboot_prop->boot_tgt.tgt_name != NULL) {
43656cefaae1SJack Meng 			(void) strncpy((char *)bootProp->tgt_name.n_name,
43666cefaae1SJack Meng 			    (char *)iscsiboot_prop->boot_tgt.tgt_name,
43676cefaae1SJack Meng 			    ISCSI_MAX_NAME_LEN);
43686cefaae1SJack Meng 		}
43696cefaae1SJack Meng 		if (iscsiboot_prop->boot_tgt.tgt_chap_name != NULL) {
43706cefaae1SJack Meng 			(void) strncpy((char *)bootProp->tgt_chap.c_user,
43716cefaae1SJack Meng 			    (char *)iscsiboot_prop->boot_tgt.tgt_chap_name,
43726cefaae1SJack Meng 			    ISCSI_MAX_NAME_LEN);
43736cefaae1SJack Meng 			(void) strncpy((char *)bootProp->tgt_chap.c_secret,
43746cefaae1SJack Meng 			    (char *)iscsiboot_prop->boot_tgt.tgt_chap_sec,
43756cefaae1SJack Meng 			    ISCSI_CHAP_SECRET_LEN);
43766cefaae1SJack Meng 		}
43776cefaae1SJack Meng 
43786cefaae1SJack Meng 		rtn = iscsi_ioctl_copyout(bootProp, size, (caddr_t)arg, mode);
43796cefaae1SJack Meng 		break;
43806cefaae1SJack Meng 
4381*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	case ISCSI_TUNABLE_PARAM_SET:
4382*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		tpss = (iscsi_tunable_object_t *)kmem_alloc(sizeof (*tpss),
4383*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		    KM_SLEEP);
4384*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		if (ddi_copyin((caddr_t)arg, tpss, sizeof (*tpss), mode)) {
4385*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			rtn = EFAULT;
4386*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			kmem_free(tpss, sizeof (*tpss));
4387*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			break;
4388*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		}
4389*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		rtn = iscsi_ioctl_set_tunable_param(ihp, tpss);
4390*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		kmem_free(tpss, sizeof (*tpss));
4391*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		break;
4392*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
4393*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	case ISCSI_TUNABLE_PARAM_GET:
4394*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		tpsg = (iscsi_tunable_object_t *)kmem_alloc(sizeof (*tpsg),
4395*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		    KM_SLEEP);
4396*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		if (ddi_copyin((caddr_t)arg, tpsg, sizeof (*tpsg), mode)) {
4397*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			rtn = EFAULT;
4398*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			kmem_free(tpsg, sizeof (*tpsg));
4399*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			break;
4400*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		}
4401*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		if (tpsg->t_oid == ihp->hba_oid) {
4402*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			/* initiator */
4403*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			name = ihp->hba_name;
4404*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			if (iscsi_get_persisted_tunable_param((uchar_t *)name,
4405*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			    tpsg) == 1) {
4406*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				/*
4407*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				 * no persisted tunable parameters found
4408*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				 * for iscsi initiator, use default tunable
4409*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				 * params for initiator node.
4410*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				 */
4411*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				iscsi_get_tunable_default(tpsg);
4412*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			}
4413*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		} else {
4414*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			/* check whether it is a target oid */
4415*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			name = iscsi_targetparam_get_name(tpsg->t_oid);
4416*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			if (name == NULL) {
4417*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				/* invalid node name */
4418*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				rtn = EINVAL;
4419*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				kmem_free(tpsg, sizeof (*tpsg));
4420*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				break;
4421*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			}
4422*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			if (iscsi_get_persisted_tunable_param((uchar_t *)name,
4423*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			    tpsg) == 1) {
4424*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				/*
4425*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				 * no persisted tunable parameters found for
4426*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				 * iscsi target, use initiator's configure.
4427*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				 */
4428*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				if (iscsi_get_persisted_tunable_param(
4429*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				    (uchar_t *)ihp->hba_name, tpsg) == -1) {
4430*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					/*
4431*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					 * No initiator tunable parameters set
4432*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					 * use default value for target
4433*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					 */
4434*aff4bce5Syi zhang - Sun Microsystems - Beijing China 					iscsi_get_tunable_default(tpsg);
4435*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				}
4436*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			}
4437*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		}
4438*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
4439*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		if (ddi_copyout(tpsg, (caddr_t)arg,
4440*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		    sizeof (iscsi_tunable_object_t), mode) != 0) {
4441*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			rtn = EFAULT;
4442*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		}
4443*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		kmem_free(tpsg, sizeof (*tpsg));
4444*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		break;
4445*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
4446fcf3ce44SJohn Forte 	default:
4447fcf3ce44SJohn Forte 		rtn = ENOTTY;
4448fcf3ce44SJohn Forte 		cmn_err(CE_NOTE, "unrecognized ioctl 0x%x", cmd);
4449fcf3ce44SJohn Forte 	} /* end of ioctl type switch/cases */
4450fcf3ce44SJohn Forte 
44514246c8e9SJack Meng 	if ((cmd != ISCSI_SMF_ONLINE) && (cmd != ISCSI_SMF_OFFLINE) &&
44524246c8e9SJack Meng 	    (cmd != ISCSI_SMF_GET)) {
44534246c8e9SJack Meng 		/* other cmds need to release the service */
44544246c8e9SJack Meng 		iscsi_client_release_service(ihp);
44554246c8e9SJack Meng 	}
44564246c8e9SJack Meng 
4457fcf3ce44SJohn Forte 	return (rtn);
4458fcf3ce44SJohn Forte }
4459fcf3ce44SJohn Forte 
4460fcf3ce44SJohn Forte /*
4461fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
4462fcf3ce44SJohn Forte  * | End of cb_ops routines					     |
4463fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
4464fcf3ce44SJohn Forte  */
4465fcf3ce44SJohn Forte 
4466fcf3ce44SJohn Forte 
4467fcf3ce44SJohn Forte /*
4468fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
4469fcf3ce44SJohn Forte  * | Common scsi_tran support routines				  |
4470fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
4471fcf3ce44SJohn Forte  */
4472fcf3ce44SJohn Forte 
4473fcf3ce44SJohn Forte /*
4474fcf3ce44SJohn Forte  * iscsi_i_commoncap -- SCSA host adapter get/set capability routines.
4475fcf3ce44SJohn Forte  *
4476fcf3ce44SJohn Forte  * Need to determine if any of these can be determined through the iSCSI
4477fcf3ce44SJohn Forte  * protocol. For now just return error on most.
4478fcf3ce44SJohn Forte  */
4479fcf3ce44SJohn Forte /* ARGSUSED */
4480fcf3ce44SJohn Forte static int
4481fcf3ce44SJohn Forte iscsi_i_commoncap(struct scsi_address *ap, char *cap, int val,
4482fcf3ce44SJohn Forte     int tgtonly, int doset)
4483fcf3ce44SJohn Forte {
4484fcf3ce44SJohn Forte 	int		rtn;
4485fcf3ce44SJohn Forte 	int		cidx;
4486fcf3ce44SJohn Forte 	iscsi_lun_t	*ilp;
4487fcf3ce44SJohn Forte 
4488fcf3ce44SJohn Forte 	ASSERT((ap)->a_hba_tran->tran_hba_private != NULL);
4489fcf3ce44SJohn Forte 	ilp	= (iscsi_lun_t *)((ap)->a_hba_tran->tran_tgt_private);
4490fcf3ce44SJohn Forte 	ASSERT(ilp != NULL);
4491fcf3ce44SJohn Forte 
4492fcf3ce44SJohn Forte 	if (cap == (char *)0) {
4493fcf3ce44SJohn Forte 		return (FALSE);
4494fcf3ce44SJohn Forte 	}
4495fcf3ce44SJohn Forte 
4496fcf3ce44SJohn Forte 	cidx = scsi_hba_lookup_capstr(cap);
4497fcf3ce44SJohn Forte 	if (cidx == -1) {
4498fcf3ce44SJohn Forte 		return (cidx);
4499fcf3ce44SJohn Forte 	}
4500fcf3ce44SJohn Forte 
4501fcf3ce44SJohn Forte 	/*
4502fcf3ce44SJohn Forte 	 * Process setcap request.
4503fcf3ce44SJohn Forte 	 */
4504fcf3ce44SJohn Forte 	if (doset) {
4505fcf3ce44SJohn Forte 		/*
4506fcf3ce44SJohn Forte 		 * At present, we can only set binary (0/1) values
4507fcf3ce44SJohn Forte 		 */
4508fcf3ce44SJohn Forte 		switch (cidx) {
4509fcf3ce44SJohn Forte 		case SCSI_CAP_LUN_RESET:
4510fcf3ce44SJohn Forte 			if (val) {
4511fcf3ce44SJohn Forte 				ilp->lun_cap |= ISCSI_LUN_CAP_RESET;
4512fcf3ce44SJohn Forte 			} else {
4513fcf3ce44SJohn Forte 				ilp->lun_cap &= ~ISCSI_LUN_CAP_RESET;
4514fcf3ce44SJohn Forte 			}
4515fcf3ce44SJohn Forte 			rtn = TRUE;
4516fcf3ce44SJohn Forte 			break;
4517fcf3ce44SJohn Forte 		default:
4518fcf3ce44SJohn Forte 			/*
4519fcf3ce44SJohn Forte 			 * None of these are settable via
4520fcf3ce44SJohn Forte 			 * the capability interface.
4521fcf3ce44SJohn Forte 			 */
4522fcf3ce44SJohn Forte 			rtn = FALSE;
4523fcf3ce44SJohn Forte 			break;
4524fcf3ce44SJohn Forte 		}
4525fcf3ce44SJohn Forte 
4526fcf3ce44SJohn Forte 		/*
4527fcf3ce44SJohn Forte 		 * Process getcap request.
4528fcf3ce44SJohn Forte 		 */
4529fcf3ce44SJohn Forte 	} else {
4530fcf3ce44SJohn Forte 		switch (cidx) {
4531fcf3ce44SJohn Forte 		case SCSI_CAP_DMA_MAX:
4532fcf3ce44SJohn Forte 			/* no DMA, Psuedo value */
4533fcf3ce44SJohn Forte 			rtn = INT32_MAX;
4534fcf3ce44SJohn Forte 			break;
4535fcf3ce44SJohn Forte 		case SCSI_CAP_INITIATOR_ID:
4536fcf3ce44SJohn Forte 			rtn = 7;
4537fcf3ce44SJohn Forte 			break;
4538fcf3ce44SJohn Forte 		case SCSI_CAP_ARQ:
4539fcf3ce44SJohn Forte 		case SCSI_CAP_RESET_NOTIFICATION:
4540fcf3ce44SJohn Forte 		case SCSI_CAP_TAGGED_QING:
4541fcf3ce44SJohn Forte 			rtn = TRUE;
4542fcf3ce44SJohn Forte 			break;
4543fcf3ce44SJohn Forte 		case SCSI_CAP_SCSI_VERSION:
4544fcf3ce44SJohn Forte 			rtn = SCSI_VERSION_3;
4545fcf3ce44SJohn Forte 			break;
4546fcf3ce44SJohn Forte 		case SCSI_CAP_INTERCONNECT_TYPE:
4547fcf3ce44SJohn Forte 			rtn = INTERCONNECT_FABRIC;
4548fcf3ce44SJohn Forte 			break;
4549fcf3ce44SJohn Forte 		case SCSI_CAP_LUN_RESET:
4550fcf3ce44SJohn Forte 			rtn = ((ilp->lun_cap & ISCSI_LUN_CAP_RESET) != 0) ?
4551fcf3ce44SJohn Forte 			    TRUE : FALSE;
4552fcf3ce44SJohn Forte 			break;
4553fcf3ce44SJohn Forte 		case SCSI_CAP_CDB_LEN:
4554fcf3ce44SJohn Forte 			/*
4555fcf3ce44SJohn Forte 			 * iSCSI RFC 3720 defines a default 16 byte
4556fcf3ce44SJohn Forte 			 * CDB as part of the Basic Header Segment
4557fcf3ce44SJohn Forte 			 * (BHS) (10.2.1) and allows for an Additional
4558fcf3ce44SJohn Forte 			 * Header Segment (AHS) Length of 255 * 4
4559fcf3ce44SJohn Forte 			 * (10.2.1.5).  The AHS length can be used
4560fcf3ce44SJohn Forte 			 * for different purposes two of which are
4561fcf3ce44SJohn Forte 			 * Extended CDB ADS (10.2.2.3) and Bidirectional
4562fcf3ce44SJohn Forte 			 * Expected Read-Data Length AHS (10.2.2.4).
4563fcf3ce44SJohn Forte 			 * The largest header of these consumes is
4564fcf3ce44SJohn Forte 			 * 32 bytes.  So the total Max CDB Length is
4565fcf3ce44SJohn Forte 			 * 16 + ((255 * 4 ) - 32) = 1004.
4566fcf3ce44SJohn Forte 			 */
4567fcf3ce44SJohn Forte 			rtn = 1004;
4568fcf3ce44SJohn Forte 			break;
4569fcf3ce44SJohn Forte 		default:
4570fcf3ce44SJohn Forte 			rtn = UNDEFINED;
4571fcf3ce44SJohn Forte 			break;
4572fcf3ce44SJohn Forte 		}
4573fcf3ce44SJohn Forte 	}
4574fcf3ce44SJohn Forte 	return (rtn);
4575fcf3ce44SJohn Forte }
4576fcf3ce44SJohn Forte 
4577fcf3ce44SJohn Forte /*
4578fcf3ce44SJohn Forte  * iscsi_virt_lun_init - attempts to complete a mdi/scsi_vhci binding
4579fcf3ce44SJohn Forte  *
4580fcf3ce44SJohn Forte  * This routine is used to associate the tran_tgt_private to our ilp
4581fcf3ce44SJohn Forte  * structure.  This function is indirectly called from our
4582fcf3ce44SJohn Forte  * iscsi_lun_create_xxx routines.  These routines must prevent
4583fcf3ce44SJohn Forte  * the session and lun lists from changing during this call.
4584fcf3ce44SJohn Forte  */
4585fcf3ce44SJohn Forte /* ARGSUSED */
4586fcf3ce44SJohn Forte static int
4587fcf3ce44SJohn Forte iscsi_virt_lun_init(dev_info_t *hba_dip, dev_info_t *lun_dip,
4588fcf3ce44SJohn Forte     scsi_hba_tran_t *hba_tran, struct scsi_device *sd)
4589fcf3ce44SJohn Forte {
4590fcf3ce44SJohn Forte 	iscsi_lun_t	*ilp		= NULL;
4591fcf3ce44SJohn Forte 	iscsi_lun_t	*ilp_check	= NULL;
4592fcf3ce44SJohn Forte 	iscsi_sess_t	*isp		= NULL;
4593fcf3ce44SJohn Forte 	char		*lun_guid	= NULL;
4594fcf3ce44SJohn Forte 	mdi_pathinfo_t	*pip		= NULL;
4595fcf3ce44SJohn Forte 	iscsi_hba_t	*ihp    = (iscsi_hba_t *)hba_tran->tran_hba_private;
4596fcf3ce44SJohn Forte 	char		target_port_name[MAX_NAME_PROP_SIZE];
4597fcf3ce44SJohn Forte 
4598fcf3ce44SJohn Forte 	/*
4599fcf3ce44SJohn Forte 	 * Here's a nice little piece of undocumented stuff.
4600fcf3ce44SJohn Forte 	 */
4601fcf3ce44SJohn Forte 	if ((pip = (mdi_pathinfo_t *)sd->sd_private) == NULL) {
4602fcf3ce44SJohn Forte 		/*
4603fcf3ce44SJohn Forte 		 * Very bad news if this occurs. Somehow SCSI_vhci has
4604fcf3ce44SJohn Forte 		 * lost the pathinfo node for this target.
4605fcf3ce44SJohn Forte 		 */
4606fcf3ce44SJohn Forte 		return (DDI_NOT_WELL_FORMED);
4607fcf3ce44SJohn Forte 	}
4608fcf3ce44SJohn Forte 
4609fcf3ce44SJohn Forte 	ilp = (iscsi_lun_t *)mdi_pi_get_phci_private(pip);
4610fcf3ce44SJohn Forte 
4611fcf3ce44SJohn Forte 	/*
4612fcf3ce44SJohn Forte 	 * +----------------------------------------------------+
4613fcf3ce44SJohn Forte 	 * | Looking to find the target device via the property |
4614fcf3ce44SJohn Forte 	 * | is not required since the driver can easily get    |
4615fcf3ce44SJohn Forte 	 * | this information from the mdi_phci_get_private()   |
4616fcf3ce44SJohn Forte 	 * | call above.  This is just a consistency check	|
4617fcf3ce44SJohn Forte 	 * | which can be removed.				|
4618fcf3ce44SJohn Forte 	 */
4619fcf3ce44SJohn Forte 	if (mdi_prop_lookup_string(pip, MDI_GUID, &lun_guid) !=
4620fcf3ce44SJohn Forte 	    DDI_PROP_SUCCESS) {
4621fcf3ce44SJohn Forte 		return (DDI_NOT_WELL_FORMED);
4622fcf3ce44SJohn Forte 	}
4623fcf3ce44SJohn Forte 
4624fcf3ce44SJohn Forte 	for (isp = ihp->hba_sess_list; isp; isp = isp->sess_next) {
4625fcf3ce44SJohn Forte 
4626fcf3ce44SJohn Forte 		/* If this isn't the matching session continue */
4627fcf3ce44SJohn Forte 		if (ilp->lun_sess != isp) {
4628fcf3ce44SJohn Forte 			continue;
4629fcf3ce44SJohn Forte 		}
4630fcf3ce44SJohn Forte 
4631fcf3ce44SJohn Forte 		/*
4632fcf3ce44SJohn Forte 		 * We are already holding the lun list rwlock
4633fcf3ce44SJohn Forte 		 * for this thread on the callers side of mdi_pi_online
4634fcf3ce44SJohn Forte 		 * or ndi_devi_online.  Which lead to this functions
4635fcf3ce44SJohn Forte 		 * call.
4636fcf3ce44SJohn Forte 		 */
4637fcf3ce44SJohn Forte 		for (ilp_check = isp->sess_lun_list; ilp_check;
4638fcf3ce44SJohn Forte 		    ilp_check = ilp_check->lun_next) {
4639fcf3ce44SJohn Forte 
4640fcf3ce44SJohn Forte 			/*
4641fcf3ce44SJohn Forte 			 * If this is the matching LUN and contains
4642fcf3ce44SJohn Forte 			 * the same LUN GUID then break we found our
4643fcf3ce44SJohn Forte 			 * match.
4644fcf3ce44SJohn Forte 			 */
4645fcf3ce44SJohn Forte 			if ((ilp == ilp_check) &&
4646fcf3ce44SJohn Forte 			    (strcmp(lun_guid, ilp_check->lun_guid) == 0)) {
4647fcf3ce44SJohn Forte 				break;
4648fcf3ce44SJohn Forte 			}
4649fcf3ce44SJohn Forte 		}
4650fcf3ce44SJohn Forte 		if (ilp_check != NULL) {
4651fcf3ce44SJohn Forte 			break;
4652fcf3ce44SJohn Forte 		}
4653fcf3ce44SJohn Forte 	}
4654fcf3ce44SJohn Forte 
4655fcf3ce44SJohn Forte 	/*
4656fcf3ce44SJohn Forte 	 * Free resource that's no longer required.
4657fcf3ce44SJohn Forte 	 */
4658fcf3ce44SJohn Forte 	if (lun_guid != NULL)
4659fcf3ce44SJohn Forte 		(void) mdi_prop_free(lun_guid);
4660fcf3ce44SJohn Forte 
4661fcf3ce44SJohn Forte 	if (ilp_check == NULL) {
4662fcf3ce44SJohn Forte 		/*
4663fcf3ce44SJohn Forte 		 * Failed to find iSCSI LUN in HBA chain based
4664fcf3ce44SJohn Forte 		 * on the GUID that was stored as a property on
4665fcf3ce44SJohn Forte 		 * the pathinfo node.
4666fcf3ce44SJohn Forte 		 */
4667fcf3ce44SJohn Forte 		return (DDI_NOT_WELL_FORMED);
4668fcf3ce44SJohn Forte 	}
4669fcf3ce44SJohn Forte 
4670fcf3ce44SJohn Forte 	if (ilp != ilp_check) {
4671fcf3ce44SJohn Forte 		/*
4672fcf3ce44SJohn Forte 		 * The iSCSI target that we found on the HBA link is
4673fcf3ce44SJohn Forte 		 * different than the iSCSI target that was stored as
4674fcf3ce44SJohn Forte 		 * private data on the pathinfo node.
4675fcf3ce44SJohn Forte 		 */
4676fcf3ce44SJohn Forte 		return (DDI_NOT_WELL_FORMED);
4677fcf3ce44SJohn Forte 	}
4678fcf3ce44SJohn Forte 	/*
4679fcf3ce44SJohn Forte 	 * | End of consistency check				|
4680fcf3ce44SJohn Forte 	 * +----------------------------------------------------+
4681fcf3ce44SJohn Forte 	 */
4682fcf3ce44SJohn Forte 
4683fcf3ce44SJohn Forte 	hba_tran->tran_tgt_private = ilp;
4684fcf3ce44SJohn Forte 
4685fcf3ce44SJohn Forte 	target_port_name[0] = '\0';
4686fcf3ce44SJohn Forte 	if (ilp->lun_sess->sess_tpgt_conf == ISCSI_DEFAULT_TPGT) {
4687fcf3ce44SJohn Forte 		(void) snprintf(target_port_name, MAX_NAME_PROP_SIZE,
4688fcf3ce44SJohn Forte 		    "%02x%02x%02x%02x%02x%02x,%s",
4689fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_isid[0], ilp->lun_sess->sess_isid[1],
4690fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_isid[2], ilp->lun_sess->sess_isid[3],
4691fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_isid[4], ilp->lun_sess->sess_isid[5],
4692fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_name);
4693fcf3ce44SJohn Forte 	} else {
4694fcf3ce44SJohn Forte 		(void) snprintf(target_port_name, MAX_NAME_PROP_SIZE,
4695fcf3ce44SJohn Forte 		    "%02x%02x%02x%02x%02x%02x,%s,%d",
4696fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_isid[0], ilp->lun_sess->sess_isid[1],
4697fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_isid[2], ilp->lun_sess->sess_isid[3],
4698fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_isid[4], ilp->lun_sess->sess_isid[5],
4699fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_name, ilp->lun_sess->sess_tpgt_conf);
4700fcf3ce44SJohn Forte 	}
4701fcf3ce44SJohn Forte 
4702fcf3ce44SJohn Forte 	if (mdi_prop_update_string(pip, "target-port",
4703fcf3ce44SJohn Forte 	    target_port_name) != DDI_PROP_SUCCESS) {
4704fcf3ce44SJohn Forte 		cmn_err(CE_WARN, "iscsi_virt_lun_init: Creating 'target-port' "
4705fcf3ce44SJohn Forte 		"property on Path(%p) for Target(%s), Lun(%d) Failed",
4706fcf3ce44SJohn Forte 		    (void *)pip, ilp->lun_sess->sess_name, ilp->lun_num);
4707fcf3ce44SJohn Forte 	}
4708fcf3ce44SJohn Forte 
4709fcf3ce44SJohn Forte 	return (DDI_SUCCESS);
4710fcf3ce44SJohn Forte }
4711fcf3ce44SJohn Forte 
4712fcf3ce44SJohn Forte /*
4713fcf3ce44SJohn Forte  * iscsi_phys_lun_init - attempts to complete a ndi binding
4714fcf3ce44SJohn Forte  *
4715fcf3ce44SJohn Forte  * This routine is used to associate the tran_tgt_private to our
4716fcf3ce44SJohn Forte  * ilp structure.  This function is indirectly called from our
4717fcf3ce44SJohn Forte  * iscsi_lun_create_xxx routines.  These routines must prevent
4718fcf3ce44SJohn Forte  * the session and lun lists from changing during this call.
4719fcf3ce44SJohn Forte  */
4720fcf3ce44SJohn Forte static int
4721fcf3ce44SJohn Forte iscsi_phys_lun_init(dev_info_t *hba_dip, dev_info_t *lun_dip,
4722fcf3ce44SJohn Forte     scsi_hba_tran_t *hba_tran, struct scsi_device *sd)
4723fcf3ce44SJohn Forte {
4724fcf3ce44SJohn Forte 	int		rtn	= DDI_SUCCESS;
4725fcf3ce44SJohn Forte 	iscsi_hba_t	*ihp	= NULL;
4726fcf3ce44SJohn Forte 	iscsi_sess_t	*isp	= NULL;
4727fcf3ce44SJohn Forte 	iscsi_lun_t	*ilp	= NULL;
4728fcf3ce44SJohn Forte 	char		target_port_name[MAX_NAME_PROP_SIZE];
4729fcf3ce44SJohn Forte 	int		*words = NULL;
4730fcf3ce44SJohn Forte 	uint_t		nwords = 0;
4731fcf3ce44SJohn Forte 
4732fcf3ce44SJohn Forte 	ASSERT(hba_dip);
4733fcf3ce44SJohn Forte 	ASSERT(lun_dip);
4734fcf3ce44SJohn Forte 	ASSERT(hba_tran);
4735fcf3ce44SJohn Forte 	ASSERT(sd);
4736fcf3ce44SJohn Forte 	ihp = (iscsi_hba_t *)hba_tran->tran_hba_private;
4737fcf3ce44SJohn Forte 	ASSERT(ihp);
4738fcf3ce44SJohn Forte 
4739fcf3ce44SJohn Forte 	if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, lun_dip,
4740fcf3ce44SJohn Forte 	    DDI_PROP_DONTPASS, LUN_PROP, &words, &nwords) != DDI_PROP_SUCCESS) {
4741fcf3ce44SJohn Forte 		cmn_err(CE_WARN, "iscsi_phys_lun_init: Returning DDI_FAILURE:"
4742fcf3ce44SJohn Forte 		    "lun for %s (instance %d)", ddi_get_name(lun_dip),
4743fcf3ce44SJohn Forte 		    ddi_get_instance(lun_dip));
4744fcf3ce44SJohn Forte 		return (DDI_FAILURE);
4745fcf3ce44SJohn Forte 	}
4746fcf3ce44SJohn Forte 
4747fcf3ce44SJohn Forte 	if (nwords == 0) {
4748fcf3ce44SJohn Forte 		ddi_prop_free(words);
4749fcf3ce44SJohn Forte 		return (DDI_FAILURE);
4750fcf3ce44SJohn Forte 	}
4751fcf3ce44SJohn Forte 
4752fcf3ce44SJohn Forte 	ASSERT(words != NULL);
4753fcf3ce44SJohn Forte 
4754fcf3ce44SJohn Forte 	/* See if we already created this session */
4755fcf3ce44SJohn Forte 
4756fcf3ce44SJohn Forte 	/* Walk the HBA's session list */
4757fcf3ce44SJohn Forte 	for (isp = ihp->hba_sess_list; isp; isp = isp->sess_next) {
4758fcf3ce44SJohn Forte 		/* compare target name as the unique identifier */
4759fcf3ce44SJohn Forte 		if (sd->sd_address.a_target == isp->sess_oid) {
4760fcf3ce44SJohn Forte 			/* found match */
4761fcf3ce44SJohn Forte 			break;
4762fcf3ce44SJohn Forte 		}
4763fcf3ce44SJohn Forte 	}
4764fcf3ce44SJohn Forte 
4765fcf3ce44SJohn Forte 	/* If we found matching session continue searching for tgt */
4766fcf3ce44SJohn Forte 	if (isp != NULL) {
4767fcf3ce44SJohn Forte 		/*
4768fcf3ce44SJohn Forte 		 * Search for the matching iscsi lun structure.  We don't
4769fcf3ce44SJohn Forte 		 * need to hold the READER for the lun list at this point.
4770fcf3ce44SJohn Forte 		 * because the tran_get_name is being called from the online
4771fcf3ce44SJohn Forte 		 * function which is already holding a reader on the lun
4772fcf3ce44SJohn Forte 		 * list.
4773fcf3ce44SJohn Forte 		 */
4774fcf3ce44SJohn Forte 		for (ilp = isp->sess_lun_list; ilp; ilp = ilp->lun_next) {
4775fcf3ce44SJohn Forte 			if (*words == ilp->lun_num) {
4776fcf3ce44SJohn Forte 				/* found match */
4777fcf3ce44SJohn Forte 				break;
4778fcf3ce44SJohn Forte 			}
4779fcf3ce44SJohn Forte 		}
4780fcf3ce44SJohn Forte 
4781fcf3ce44SJohn Forte 		if (ilp != NULL) {
4782fcf3ce44SJohn Forte 			/*
4783fcf3ce44SJohn Forte 			 * tgt found path it to the tran_lun_private
4784fcf3ce44SJohn Forte 			 * this is used later for fast access on
4785fcf3ce44SJohn Forte 			 * init_pkt and start
4786fcf3ce44SJohn Forte 			 */
4787fcf3ce44SJohn Forte 			hba_tran->tran_tgt_private = ilp;
4788fcf3ce44SJohn Forte 		} else {
4789fcf3ce44SJohn Forte 			/* tgt not found */
4790fcf3ce44SJohn Forte 			ddi_prop_free(words);
4791fcf3ce44SJohn Forte 			return (DDI_FAILURE);
4792fcf3ce44SJohn Forte 		}
4793fcf3ce44SJohn Forte 	} else {
4794fcf3ce44SJohn Forte 		/* sess not found */
4795fcf3ce44SJohn Forte 		ddi_prop_free(words);
4796fcf3ce44SJohn Forte 		return (DDI_FAILURE);
4797fcf3ce44SJohn Forte 	}
4798fcf3ce44SJohn Forte 	ddi_prop_free(words);
4799fcf3ce44SJohn Forte 
4800fcf3ce44SJohn Forte 	target_port_name[0] = '\0';
4801fcf3ce44SJohn Forte 	if (ilp->lun_sess->sess_tpgt_conf == ISCSI_DEFAULT_TPGT) {
4802fcf3ce44SJohn Forte 		(void) snprintf(target_port_name, MAX_NAME_PROP_SIZE,
4803fcf3ce44SJohn Forte 		    "%02x%02x%02x%02x%02x%02x,%s",
4804fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_isid[0], ilp->lun_sess->sess_isid[1],
4805fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_isid[2], ilp->lun_sess->sess_isid[3],
4806fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_isid[4], ilp->lun_sess->sess_isid[5],
4807fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_name);
4808fcf3ce44SJohn Forte 	} else {
4809fcf3ce44SJohn Forte 		(void) snprintf(target_port_name, MAX_NAME_PROP_SIZE,
4810fcf3ce44SJohn Forte 		    "%02x%02x%02x%02x%02x%02x,%s,%d",
4811fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_isid[0], ilp->lun_sess->sess_isid[1],
4812fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_isid[2], ilp->lun_sess->sess_isid[3],
4813fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_isid[4], ilp->lun_sess->sess_isid[5],
4814fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_name, ilp->lun_sess->sess_tpgt_conf);
4815fcf3ce44SJohn Forte 	}
4816fcf3ce44SJohn Forte 
4817fcf3ce44SJohn Forte 	if (ddi_prop_update_string(DDI_DEV_T_NONE, lun_dip,
4818fcf3ce44SJohn Forte 	    "target-port", target_port_name) != DDI_PROP_SUCCESS) {
4819fcf3ce44SJohn Forte 		cmn_err(CE_WARN, "iscsi_phys_lun_init: Creating 'target-port' "
4820fcf3ce44SJohn Forte 		    "property on Target(%s), Lun(%d) Failed",
4821fcf3ce44SJohn Forte 		    ilp->lun_sess->sess_name, ilp->lun_num);
4822fcf3ce44SJohn Forte 	}
4823fcf3ce44SJohn Forte 
4824fcf3ce44SJohn Forte 	return (rtn);
4825fcf3ce44SJohn Forte }
4826fcf3ce44SJohn Forte 
4827fcf3ce44SJohn Forte /*
4828fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
4829fcf3ce44SJohn Forte  * | End of scsi_tran support routines					|
4830fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
4831fcf3ce44SJohn Forte  */
4832fcf3ce44SJohn Forte 
4833fcf3ce44SJohn Forte /*
4834fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
4835fcf3ce44SJohn Forte  * | Begin of struct utility routines					|
4836fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
4837fcf3ce44SJohn Forte  */
4838fcf3ce44SJohn Forte 
4839fcf3ce44SJohn Forte 
4840fcf3ce44SJohn Forte /*
4841fcf3ce44SJohn Forte  * iscsi_set_default_login_params - This function sets the
4842fcf3ce44SJohn Forte  * driver default login params.  This is using during the
4843fcf3ce44SJohn Forte  * creation of our iSCSI HBA structure initialization by
4844fcf3ce44SJohn Forte  * could be used at other times to reset back to the defaults.
4845fcf3ce44SJohn Forte  */
4846fcf3ce44SJohn Forte void
4847fcf3ce44SJohn Forte iscsi_set_default_login_params(iscsi_login_params_t *params)
4848fcf3ce44SJohn Forte {
4849fcf3ce44SJohn Forte 	params->immediate_data		= ISCSI_DEFAULT_IMMEDIATE_DATA;
4850fcf3ce44SJohn Forte 	params->initial_r2t		= ISCSI_DEFAULT_INITIALR2T;
4851fcf3ce44SJohn Forte 	params->first_burst_length	= ISCSI_DEFAULT_FIRST_BURST_LENGTH;
4852fcf3ce44SJohn Forte 	params->max_burst_length	= ISCSI_DEFAULT_MAX_BURST_LENGTH;
4853fcf3ce44SJohn Forte 	params->data_pdu_in_order	= ISCSI_DEFAULT_DATA_PDU_IN_ORDER;
4854fcf3ce44SJohn Forte 	params->data_sequence_in_order	= ISCSI_DEFAULT_DATA_SEQUENCE_IN_ORDER;
4855fcf3ce44SJohn Forte 	params->default_time_to_wait	= ISCSI_DEFAULT_TIME_TO_WAIT;
4856fcf3ce44SJohn Forte 	params->default_time_to_retain	= ISCSI_DEFAULT_TIME_TO_RETAIN;
4857fcf3ce44SJohn Forte 	params->header_digest		= ISCSI_DEFAULT_HEADER_DIGEST;
4858fcf3ce44SJohn Forte 	params->data_digest		= ISCSI_DEFAULT_DATA_DIGEST;
4859fcf3ce44SJohn Forte 	params->max_recv_data_seg_len	= ISCSI_DEFAULT_MAX_RECV_SEG_LEN;
4860fcf3ce44SJohn Forte 	params->max_xmit_data_seg_len	= ISCSI_DEFAULT_MAX_XMIT_SEG_LEN;
4861fcf3ce44SJohn Forte 	params->max_connections		= ISCSI_DEFAULT_MAX_CONNECTIONS;
4862fcf3ce44SJohn Forte 	params->max_outstanding_r2t	= ISCSI_DEFAULT_MAX_OUT_R2T;
4863fcf3ce44SJohn Forte 	params->error_recovery_level	= ISCSI_DEFAULT_ERROR_RECOVERY_LEVEL;
4864fcf3ce44SJohn Forte 	params->ifmarker		= ISCSI_DEFAULT_IFMARKER;
4865fcf3ce44SJohn Forte 	params->ofmarker		= ISCSI_DEFAULT_OFMARKER;
4866fcf3ce44SJohn Forte }
4867fcf3ce44SJohn Forte 
4868*aff4bce5Syi zhang - Sun Microsystems - Beijing China /* Helper function to sets the driver default tunable parameters */
4869*aff4bce5Syi zhang - Sun Microsystems - Beijing China static void
4870*aff4bce5Syi zhang - Sun Microsystems - Beijing China iscsi_set_default_tunable_params(iscsi_tunable_params_t *params)
4871*aff4bce5Syi zhang - Sun Microsystems - Beijing China {
4872*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	params->recv_login_rsp_timeout = ISCSI_DEFAULT_RX_TIMEOUT_VALUE;
4873*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	params->conn_login_max = ISCSI_DEFAULT_CONN_DEFAULT_LOGIN_MAX;
4874*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	params->polling_login_delay = ISCSI_DEFAULT_LOGIN_POLLING_DELAY;
4875*aff4bce5Syi zhang - Sun Microsystems - Beijing China }
4876fcf3ce44SJohn Forte 
4877fcf3ce44SJohn Forte /*
4878fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
4879fcf3ce44SJohn Forte  * | End of struct utility routines				     |
4880fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
4881fcf3ce44SJohn Forte  */
4882fcf3ce44SJohn Forte 
4883fcf3ce44SJohn Forte /*
4884fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
4885fcf3ce44SJohn Forte  * | Begin of ioctl utility routines				    |
4886fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
4887fcf3ce44SJohn Forte  */
4888fcf3ce44SJohn Forte 
4889fcf3ce44SJohn Forte /*
4890fcf3ce44SJohn Forte  * iscsi_get_param - This function is a helper to ISCSI_GET_PARAM
4891fcf3ce44SJohn Forte  * IOCTL
4892fcf3ce44SJohn Forte  */
4893fcf3ce44SJohn Forte int
4894fcf3ce44SJohn Forte iscsi_get_param(iscsi_login_params_t *params, boolean_t valid_flag,
4895fcf3ce44SJohn Forte     iscsi_param_get_t *ipgp) {
4896fcf3ce44SJohn Forte 	int rtn = 0;
4897fcf3ce44SJohn Forte 
4898fcf3ce44SJohn Forte 	/* ---- Default to settable, possibly changed later ---- */
4899fcf3ce44SJohn Forte 	ipgp->g_value.v_valid    = valid_flag;
4900fcf3ce44SJohn Forte 	ipgp->g_value.v_settable = B_TRUE;
4901fcf3ce44SJohn Forte 
4902fcf3ce44SJohn Forte 	switch (ipgp->g_param) {
4903fcf3ce44SJohn Forte 	/*
4904fcf3ce44SJohn Forte 	 * Boolean parameters
4905fcf3ce44SJohn Forte 	 */
4906fcf3ce44SJohn Forte 	case ISCSI_LOGIN_PARAM_DATA_SEQUENCE_IN_ORDER:
4907fcf3ce44SJohn Forte 		ipgp->g_value.v_bool.b_current =
4908fcf3ce44SJohn Forte 		    params->data_sequence_in_order;
4909fcf3ce44SJohn Forte 		ipgp->g_value.v_bool.b_default =
4910fcf3ce44SJohn Forte 		    ISCSI_DEFAULT_DATA_SEQUENCE_IN_ORDER;
4911fcf3ce44SJohn Forte 		break;
4912fcf3ce44SJohn Forte 	case ISCSI_LOGIN_PARAM_IMMEDIATE_DATA:
4913fcf3ce44SJohn Forte 		ipgp->g_value.v_bool.b_current =
4914fcf3ce44SJohn Forte 		    params->immediate_data;
4915fcf3ce44SJohn Forte 		ipgp->g_value.v_bool.b_default =
4916fcf3ce44SJohn Forte 		    ISCSI_DEFAULT_IMMEDIATE_DATA;
4917fcf3ce44SJohn Forte 		break;
4918fcf3ce44SJohn Forte 	case ISCSI_LOGIN_PARAM_INITIAL_R2T:
4919fcf3ce44SJohn Forte 		ipgp->g_value.v_bool.b_current =
4920fcf3ce44SJohn Forte 		    params->initial_r2t;
4921fcf3ce44SJohn Forte 		ipgp->g_value.v_bool.b_default =
4922fcf3ce44SJohn Forte 		    ISCSI_DEFAULT_IMMEDIATE_DATA;
4923fcf3ce44SJohn Forte 		break;
4924fcf3ce44SJohn Forte 	case ISCSI_LOGIN_PARAM_DATA_PDU_IN_ORDER:
4925fcf3ce44SJohn Forte 		ipgp->g_value.v_bool.b_current =
4926fcf3ce44SJohn Forte 		    params->data_pdu_in_order;
4927fcf3ce44SJohn Forte 		ipgp->g_value.v_bool.b_default =
4928fcf3ce44SJohn Forte 		    ISCSI_DEFAULT_DATA_PDU_IN_ORDER;
4929fcf3ce44SJohn Forte 		break;
4930fcf3ce44SJohn Forte 
4931fcf3ce44SJohn Forte 	/*
4932fcf3ce44SJohn Forte 	 * Integer parameters
4933fcf3ce44SJohn Forte 	 */
4934fcf3ce44SJohn Forte 	case ISCSI_LOGIN_PARAM_HEADER_DIGEST:
4935fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_current = params->header_digest;
4936fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_default = ISCSI_DEFAULT_HEADER_DIGEST;
4937fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_min = 0;
4938fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_max = ISCSI_MAX_HEADER_DIGEST;
4939fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_incr = 1;
4940fcf3ce44SJohn Forte 		break;
4941fcf3ce44SJohn Forte 	case ISCSI_LOGIN_PARAM_DATA_DIGEST:
4942fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_current = params->data_digest;
4943fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_default = ISCSI_DEFAULT_DATA_DIGEST;
4944fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_min = 0;
4945fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_max = ISCSI_MAX_DATA_DIGEST;
4946fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_incr = 1;
4947fcf3ce44SJohn Forte 		break;
4948fcf3ce44SJohn Forte 	case ISCSI_LOGIN_PARAM_DEFAULT_TIME_2_RETAIN:
4949fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_current =
4950fcf3ce44SJohn Forte 		    params->default_time_to_retain;
4951fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_default =
4952fcf3ce44SJohn Forte 		    ISCSI_DEFAULT_TIME_TO_RETAIN;
4953fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_min = 0;
4954fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_max = ISCSI_MAX_TIME2RETAIN;
4955fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_incr = 1;
4956fcf3ce44SJohn Forte 		break;
4957fcf3ce44SJohn Forte 	case ISCSI_LOGIN_PARAM_DEFAULT_TIME_2_WAIT:
4958fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_current =
4959fcf3ce44SJohn Forte 		    params->default_time_to_wait;
4960fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_default =
4961fcf3ce44SJohn Forte 		    ISCSI_DEFAULT_TIME_TO_WAIT;
4962fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_min = 0;
4963fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_max = ISCSI_MAX_TIME2WAIT;
4964fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_incr = 1;
4965fcf3ce44SJohn Forte 		break;
4966fcf3ce44SJohn Forte 	case ISCSI_LOGIN_PARAM_ERROR_RECOVERY_LEVEL:
4967fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_current =
4968fcf3ce44SJohn Forte 		    params->error_recovery_level;
4969fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_default =
4970fcf3ce44SJohn Forte 		    ISCSI_DEFAULT_ERROR_RECOVERY_LEVEL;
4971fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_min = 0;
4972fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_max = ISCSI_MAX_ERROR_RECOVERY_LEVEL;
4973fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_incr = 1;
4974fcf3ce44SJohn Forte 		ipgp->g_value.v_settable = B_FALSE;
4975fcf3ce44SJohn Forte 		break;
4976fcf3ce44SJohn Forte 	case ISCSI_LOGIN_PARAM_FIRST_BURST_LENGTH:
4977fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_current =
4978fcf3ce44SJohn Forte 		    params->first_burst_length;
4979fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_default =
4980fcf3ce44SJohn Forte 		    ISCSI_DEFAULT_FIRST_BURST_LENGTH;
4981fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_min = 512;
4982fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_max = ISCSI_MAX_FIRST_BURST_LENGTH;
4983fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_incr = 1;
4984fcf3ce44SJohn Forte 		break;
4985fcf3ce44SJohn Forte 	case ISCSI_LOGIN_PARAM_MAX_BURST_LENGTH:
4986fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_current =
4987fcf3ce44SJohn Forte 		    params->max_burst_length;
4988fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_default =
4989fcf3ce44SJohn Forte 		    ISCSI_DEFAULT_MAX_BURST_LENGTH;
4990fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_min = 512;
4991fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_max = ISCSI_MAX_BURST_LENGTH;
4992fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_incr = 1;
4993fcf3ce44SJohn Forte 		break;
4994fcf3ce44SJohn Forte 	case ISCSI_LOGIN_PARAM_MAX_CONNECTIONS:
4995fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_current =
4996fcf3ce44SJohn Forte 		    params->max_connections;
4997fcf3ce44SJohn Forte 		ipgp->g_value.v_settable = B_FALSE;
4998fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_default =
4999fcf3ce44SJohn Forte 		    ISCSI_DEFAULT_MAX_CONNECTIONS;
5000fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_min = 1;
5001fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_max = ISCSI_MAX_CONNECTIONS;
5002fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_incr = 1;
5003fcf3ce44SJohn Forte 		break;
5004fcf3ce44SJohn Forte 	case ISCSI_LOGIN_PARAM_OUTSTANDING_R2T:
5005fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_current =
5006fcf3ce44SJohn Forte 		    params->max_outstanding_r2t;
5007fcf3ce44SJohn Forte 		ipgp->g_value.v_settable = B_FALSE;
5008fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_default =
5009fcf3ce44SJohn Forte 		    ISCSI_DEFAULT_MAX_OUT_R2T;
5010fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_min = 1;
5011fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_max = ISCSI_MAX_OUTSTANDING_R2T;
5012fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_incr = 1;
5013fcf3ce44SJohn Forte 		break;
5014fcf3ce44SJohn Forte 	case ISCSI_LOGIN_PARAM_MAX_RECV_DATA_SEGMENT_LENGTH:
5015fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_current =
5016fcf3ce44SJohn Forte 		    params->max_recv_data_seg_len;
5017fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_default =
5018fcf3ce44SJohn Forte 		    ISCSI_DEFAULT_MAX_RECV_SEG_LEN;
5019fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_min = 512;
5020fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_max =
5021fcf3ce44SJohn Forte 		    ISCSI_MAX_RECV_DATA_SEGMENT_LENGTH;
5022fcf3ce44SJohn Forte 		ipgp->g_value.v_integer.i_incr = 1;
5023fcf3ce44SJohn Forte 		break;
5024fcf3ce44SJohn Forte 	default:
5025fcf3ce44SJohn Forte 		rtn = EINVAL;
5026fcf3ce44SJohn Forte 	}
5027fcf3ce44SJohn Forte 
5028fcf3ce44SJohn Forte 	return (rtn);
5029fcf3ce44SJohn Forte }
5030fcf3ce44SJohn Forte 
5031fcf3ce44SJohn Forte /*
5032fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
5033fcf3ce44SJohn Forte  * | End of ioctl utility routines                                      |
5034fcf3ce44SJohn Forte  * +--------------------------------------------------------------------+
5035fcf3ce44SJohn Forte  */
5036fcf3ce44SJohn Forte 
5037fcf3ce44SJohn Forte /*
5038fcf3ce44SJohn Forte  * iscsi_get_name_from_iqn - Translates a normal iqn/eui into a
5039fcf3ce44SJohn Forte  * IEEE safe address.  IEEE addresses have a number of characters
5040fcf3ce44SJohn Forte  * set aside as reserved.
5041fcf3ce44SJohn Forte  */
5042fcf3ce44SJohn Forte static void
5043fcf3ce44SJohn Forte iscsi_get_name_from_iqn(char *name, int name_max_len)
5044fcf3ce44SJohn Forte {
5045fcf3ce44SJohn Forte 	char	*tmp		= NULL;
5046fcf3ce44SJohn Forte 	char	*oldch		= NULL;
5047fcf3ce44SJohn Forte 	char	*newch		= NULL;
5048fcf3ce44SJohn Forte 
5049fcf3ce44SJohn Forte 	tmp = kmem_zalloc(MAX_GET_NAME_SIZE, KM_SLEEP);
5050fcf3ce44SJohn Forte 
5051fcf3ce44SJohn Forte 	for (oldch = &name[0], newch = &tmp[0]; *oldch != '\0';
5052fcf3ce44SJohn Forte 	    oldch++, newch++) {
5053fcf3ce44SJohn Forte 		switch (*oldch) {
5054fcf3ce44SJohn Forte 		case ':':
5055fcf3ce44SJohn Forte 			*newch++ = '%';
5056fcf3ce44SJohn Forte 			*newch++ = '3';
5057fcf3ce44SJohn Forte 			*newch = 'A';
5058fcf3ce44SJohn Forte 			break;
5059fcf3ce44SJohn Forte 		case ' ':
5060fcf3ce44SJohn Forte 			*newch++ = '%';
5061fcf3ce44SJohn Forte 			*newch++ = '2';
5062fcf3ce44SJohn Forte 			*newch = '0';
5063fcf3ce44SJohn Forte 			break;
5064fcf3ce44SJohn Forte 		case '@':
5065fcf3ce44SJohn Forte 			*newch++ = '%';
5066fcf3ce44SJohn Forte 			*newch++ = '4';
5067fcf3ce44SJohn Forte 			*newch = '0';
5068fcf3ce44SJohn Forte 			break;
5069fcf3ce44SJohn Forte 		case '/':
5070fcf3ce44SJohn Forte 			*newch++ = '%';
5071fcf3ce44SJohn Forte 			*newch++ = '2';
5072fcf3ce44SJohn Forte 			*newch = 'F';
5073fcf3ce44SJohn Forte 			break;
5074fcf3ce44SJohn Forte 		default:
5075fcf3ce44SJohn Forte 			*newch = *oldch;
5076fcf3ce44SJohn Forte 		}
5077fcf3ce44SJohn Forte 	}
5078fcf3ce44SJohn Forte 	(void) strncpy(name, tmp, name_max_len);
5079fcf3ce44SJohn Forte 	kmem_free(tmp, MAX_GET_NAME_SIZE);
5080fcf3ce44SJohn Forte }
5081fcf3ce44SJohn Forte 
5082fcf3ce44SJohn Forte /*
5083fcf3ce44SJohn Forte  * iscsi_get_name_to_iqn - Converts IEEE safe address back
5084fcf3ce44SJohn Forte  * into a iscsi iqn/eui.
5085fcf3ce44SJohn Forte  */
5086fcf3ce44SJohn Forte static void
5087fcf3ce44SJohn Forte iscsi_get_name_to_iqn(char *name, int name_max_len)
5088fcf3ce44SJohn Forte {
5089fcf3ce44SJohn Forte 	char	*tmp		= NULL;
5090fcf3ce44SJohn Forte 	char	*oldch		= NULL;
5091fcf3ce44SJohn Forte 	char	*newch		= NULL;
5092fcf3ce44SJohn Forte 
5093fcf3ce44SJohn Forte 	tmp = kmem_zalloc(MAX_GET_NAME_SIZE, KM_SLEEP);
5094fcf3ce44SJohn Forte 
5095fcf3ce44SJohn Forte 	for (oldch = &name[0], newch = &tmp[0]; *oldch != '\0';
5096fcf3ce44SJohn Forte 	    oldch++, newch++) {
5097fcf3ce44SJohn Forte 		if (*oldch == '%') {
5098fcf3ce44SJohn Forte 			switch (*(oldch+1)) {
5099fcf3ce44SJohn Forte 			case '2':
5100fcf3ce44SJohn Forte 				if (*(oldch+2) == '0') {
5101fcf3ce44SJohn Forte 					*newch = ' ';
5102fcf3ce44SJohn Forte 					oldch += 2;
5103fcf3ce44SJohn Forte 				} else if (*(oldch+2) == 'F') {
5104fcf3ce44SJohn Forte 					*newch = '/';
5105fcf3ce44SJohn Forte 					oldch += 2;
5106fcf3ce44SJohn Forte 				} else {
5107fcf3ce44SJohn Forte 					*newch = *oldch;
5108fcf3ce44SJohn Forte 				}
5109fcf3ce44SJohn Forte 				break;
5110fcf3ce44SJohn Forte 			case '3':
5111fcf3ce44SJohn Forte 				if (*(oldch+2) == 'A') {
5112fcf3ce44SJohn Forte 					*newch = ':';
5113fcf3ce44SJohn Forte 					oldch += 2;
5114fcf3ce44SJohn Forte 				} else {
5115fcf3ce44SJohn Forte 					*newch = *oldch;
5116fcf3ce44SJohn Forte 				}
5117fcf3ce44SJohn Forte 				break;
5118fcf3ce44SJohn Forte 			case '4':
5119fcf3ce44SJohn Forte 				if (*(oldch+2) == '0') {
5120fcf3ce44SJohn Forte 					*newch = '@';
5121fcf3ce44SJohn Forte 					oldch += 2;
5122fcf3ce44SJohn Forte 				} else {
5123fcf3ce44SJohn Forte 					*newch = *oldch;
5124fcf3ce44SJohn Forte 				}
5125fcf3ce44SJohn Forte 				break;
5126fcf3ce44SJohn Forte 			default:
5127fcf3ce44SJohn Forte 				*newch = *oldch;
5128fcf3ce44SJohn Forte 			}
5129fcf3ce44SJohn Forte 		} else {
5130fcf3ce44SJohn Forte 			*newch = *oldch;
5131fcf3ce44SJohn Forte 		}
5132fcf3ce44SJohn Forte 	}
5133fcf3ce44SJohn Forte 	(void) strncpy(name, tmp, name_max_len);
5134fcf3ce44SJohn Forte 	kmem_free(tmp, MAX_GET_NAME_SIZE);
5135fcf3ce44SJohn Forte }
5136fcf3ce44SJohn Forte 
5137fcf3ce44SJohn Forte /*
5138fcf3ce44SJohn Forte  * iscsi_get_persisted_param * - a helper to ISCSI_GET_PARAM ioctl
5139fcf3ce44SJohn Forte  *
5140fcf3ce44SJohn Forte  * On return 0 means persisted parameter found
5141fcf3ce44SJohn Forte  */
5142fcf3ce44SJohn Forte int
5143fcf3ce44SJohn Forte iscsi_get_persisted_param(uchar_t *name, iscsi_param_get_t *ipgp,
5144fcf3ce44SJohn Forte     iscsi_login_params_t *params)
5145fcf3ce44SJohn Forte {
5146fcf3ce44SJohn Forte 	int rtn = 1;
5147fcf3ce44SJohn Forte 	persistent_param_t *pparam;
5148fcf3ce44SJohn Forte 
5149fcf3ce44SJohn Forte 	if (name == NULL || strlen((char *)name) == 0) {
5150fcf3ce44SJohn Forte 		return (rtn);
5151fcf3ce44SJohn Forte 	}
5152fcf3ce44SJohn Forte 
5153fcf3ce44SJohn Forte 	pparam = (persistent_param_t *)kmem_zalloc(sizeof (*pparam), KM_SLEEP);
5154fcf3ce44SJohn Forte 
5155fcf3ce44SJohn Forte 	if (persistent_param_get((char *)name, pparam) == B_TRUE) {
5156fcf3ce44SJohn Forte 		if (pparam->p_bitmap & (1 << ipgp->g_param)) {
5157fcf3ce44SJohn Forte 			/* Found configured parameter. */
5158fcf3ce44SJohn Forte 			bcopy(&pparam->p_params, params, sizeof (*params));
5159fcf3ce44SJohn Forte 			rtn = 0;
5160fcf3ce44SJohn Forte 		}
5161fcf3ce44SJohn Forte 	}
5162fcf3ce44SJohn Forte 
5163fcf3ce44SJohn Forte 	kmem_free(pparam, sizeof (*pparam));
5164fcf3ce44SJohn Forte 
5165fcf3ce44SJohn Forte 	return (rtn);
5166fcf3ce44SJohn Forte }
5167fcf3ce44SJohn Forte 
5168fcf3ce44SJohn Forte /*
5169fcf3ce44SJohn Forte  * iscsi_override_target_default - helper function set the target's default
5170fcf3ce44SJohn Forte  * login parameter if there is a configured initiator parameter.
5171fcf3ce44SJohn Forte  *
5172fcf3ce44SJohn Forte  */
5173fcf3ce44SJohn Forte static void
5174fcf3ce44SJohn Forte iscsi_override_target_default(iscsi_hba_t *ihp, iscsi_param_get_t *ipg)
5175fcf3ce44SJohn Forte {
5176fcf3ce44SJohn Forte 	persistent_param_t *pp;
5177fcf3ce44SJohn Forte 	iscsi_login_params_t *params;
5178fcf3ce44SJohn Forte 
5179fcf3ce44SJohn Forte 	pp = (persistent_param_t *)kmem_zalloc(sizeof (*pp), KM_SLEEP);
5180fcf3ce44SJohn Forte 	if (persistent_param_get((char *)ihp->hba_name, pp) == B_TRUE) {
5181fcf3ce44SJohn Forte 		if (pp->p_bitmap & (1 << ipg->g_param)) {
5182fcf3ce44SJohn Forte 			params = &pp->p_params;
5183fcf3ce44SJohn Forte 			switch (ipg->g_param) {
5184fcf3ce44SJohn Forte 			case ISCSI_LOGIN_PARAM_DATA_SEQUENCE_IN_ORDER:
5185fcf3ce44SJohn Forte 				ipg->g_value.v_bool.b_default =
5186fcf3ce44SJohn Forte 				    params->data_sequence_in_order;
5187fcf3ce44SJohn Forte 				break;
5188fcf3ce44SJohn Forte 			case ISCSI_LOGIN_PARAM_IMMEDIATE_DATA:
5189fcf3ce44SJohn Forte 				ipg->g_value.v_bool.b_default =
5190fcf3ce44SJohn Forte 				    params->immediate_data;
5191fcf3ce44SJohn Forte 				break;
5192fcf3ce44SJohn Forte 			case ISCSI_LOGIN_PARAM_INITIAL_R2T:
5193fcf3ce44SJohn Forte 				ipg->g_value.v_bool.b_default =
5194fcf3ce44SJohn Forte 				    params->initial_r2t;
5195fcf3ce44SJohn Forte 				break;
5196fcf3ce44SJohn Forte 			case ISCSI_LOGIN_PARAM_DATA_PDU_IN_ORDER:
5197fcf3ce44SJohn Forte 				ipg->g_value.v_bool.b_default =
5198fcf3ce44SJohn Forte 				    params->data_pdu_in_order;
5199fcf3ce44SJohn Forte 				break;
5200fcf3ce44SJohn Forte 			case ISCSI_LOGIN_PARAM_HEADER_DIGEST:
5201fcf3ce44SJohn Forte 				ipg->g_value.v_integer.i_default =
5202fcf3ce44SJohn Forte 				    params->header_digest;
5203fcf3ce44SJohn Forte 				break;
5204fcf3ce44SJohn Forte 			case ISCSI_LOGIN_PARAM_DATA_DIGEST:
5205fcf3ce44SJohn Forte 				ipg->g_value.v_integer.i_default =
5206fcf3ce44SJohn Forte 				    params->data_digest;
5207fcf3ce44SJohn Forte 				break;
5208fcf3ce44SJohn Forte 			case ISCSI_LOGIN_PARAM_DEFAULT_TIME_2_RETAIN:
5209fcf3ce44SJohn Forte 				ipg->g_value.v_integer.i_default =
5210fcf3ce44SJohn Forte 				    params->default_time_to_retain;
5211fcf3ce44SJohn Forte 				break;
5212fcf3ce44SJohn Forte 			case ISCSI_LOGIN_PARAM_DEFAULT_TIME_2_WAIT:
5213fcf3ce44SJohn Forte 				ipg->g_value.v_integer.i_default =
5214fcf3ce44SJohn Forte 				    params->default_time_to_wait;
5215fcf3ce44SJohn Forte 				break;
5216fcf3ce44SJohn Forte 			case ISCSI_LOGIN_PARAM_ERROR_RECOVERY_LEVEL:
5217fcf3ce44SJohn Forte 				ipg->g_value.v_integer.i_default =
5218fcf3ce44SJohn Forte 				    params->error_recovery_level;
5219fcf3ce44SJohn Forte 				break;
5220fcf3ce44SJohn Forte 			case ISCSI_LOGIN_PARAM_FIRST_BURST_LENGTH:
5221fcf3ce44SJohn Forte 				ipg->g_value.v_integer.i_default =
5222fcf3ce44SJohn Forte 				    params->first_burst_length;
5223fcf3ce44SJohn Forte 				break;
5224fcf3ce44SJohn Forte 			case ISCSI_LOGIN_PARAM_MAX_BURST_LENGTH:
5225fcf3ce44SJohn Forte 				ipg->g_value.v_integer.i_default =
5226fcf3ce44SJohn Forte 				    params->max_burst_length;
5227fcf3ce44SJohn Forte 				break;
5228fcf3ce44SJohn Forte 			case ISCSI_LOGIN_PARAM_MAX_CONNECTIONS:
5229fcf3ce44SJohn Forte 				ipg->g_value.v_integer.i_default =
5230fcf3ce44SJohn Forte 				    params->max_connections;
5231fcf3ce44SJohn Forte 				break;
5232fcf3ce44SJohn Forte 			case ISCSI_LOGIN_PARAM_OUTSTANDING_R2T:
5233fcf3ce44SJohn Forte 				ipg->g_value.v_integer.i_default =
5234fcf3ce44SJohn Forte 				    params->max_outstanding_r2t;
5235fcf3ce44SJohn Forte 				break;
5236fcf3ce44SJohn Forte 			case ISCSI_LOGIN_PARAM_MAX_RECV_DATA_SEGMENT_LENGTH:
5237fcf3ce44SJohn Forte 				ipg->g_value.v_integer.i_default =
5238fcf3ce44SJohn Forte 				    params->max_xmit_data_seg_len;
5239fcf3ce44SJohn Forte 				break;
5240fcf3ce44SJohn Forte 			default:
5241fcf3ce44SJohn Forte 				break;
5242fcf3ce44SJohn Forte 			}
5243fcf3ce44SJohn Forte 		}
5244fcf3ce44SJohn Forte 	}
5245fcf3ce44SJohn Forte 	kmem_free(pp, sizeof (*pp));
5246fcf3ce44SJohn Forte }
52476cefaae1SJack Meng 
52486cefaae1SJack Meng static boolean_t
52496cefaae1SJack Meng iscsi_cmp_boot_sess_oid(iscsi_hba_t *ihp, uint32_t oid)
52506cefaae1SJack Meng {
52516cefaae1SJack Meng 	iscsi_sess_t *isp = NULL;
52526cefaae1SJack Meng 
52536cefaae1SJack Meng 	if (iscsi_chk_bootlun_mpxio(ihp)) {
52546cefaae1SJack Meng 		for (isp = ihp->hba_sess_list; isp; isp = isp->sess_next) {
52556cefaae1SJack Meng 			if ((isp->sess_oid == oid) && isp->sess_boot) {
52566cefaae1SJack Meng 				/* oid is session object */
52576cefaae1SJack Meng 				break;
52586cefaae1SJack Meng 			}
52596cefaae1SJack Meng 			if ((isp->sess_target_oid == oid) && isp->sess_boot) {
52606cefaae1SJack Meng 				/*
52616cefaae1SJack Meng 				 * oid is target object while
52626cefaae1SJack Meng 				 * this session is boot session
52636cefaae1SJack Meng 				 */
52646cefaae1SJack Meng 				break;
52656cefaae1SJack Meng 			}
52666cefaae1SJack Meng 		}
52676cefaae1SJack Meng 		if (oid == ihp->hba_oid) {
52686cefaae1SJack Meng 			/* oid is initiator object id */
52696cefaae1SJack Meng 			return (B_TRUE);
52706cefaae1SJack Meng 		} else if ((isp != NULL) && (isp->sess_boot)) {
52716cefaae1SJack Meng 			/* oid is boot session object id */
52726cefaae1SJack Meng 			return (B_TRUE);
52736cefaae1SJack Meng 		}
52746cefaae1SJack Meng 	}
52756cefaae1SJack Meng 	return (B_FALSE);
52766cefaae1SJack Meng }
52774246c8e9SJack Meng 
52784246c8e9SJack Meng /*
52794246c8e9SJack Meng  * iscsi_client_request_service - request the iSCSI service
52804246c8e9SJack Meng  *     returns true if the service is enabled and increases the count
52814246c8e9SJack Meng  *     returns false if the service is disabled
52824246c8e9SJack Meng  *     blocks until the service status is either enabled or disabled
52834246c8e9SJack Meng  */
52844246c8e9SJack Meng boolean_t
52854246c8e9SJack Meng iscsi_client_request_service(iscsi_hba_t *ihp) {
52864246c8e9SJack Meng 	boolean_t	rval = B_TRUE;
52874246c8e9SJack Meng 
52884246c8e9SJack Meng 	mutex_enter(&ihp->hba_service_lock);
52894246c8e9SJack Meng 	while ((ihp->hba_service_status == ISCSI_SERVICE_TRANSITION) ||
52904246c8e9SJack Meng 	    (ihp->hba_service_client_count == UINT_MAX)) {
52914246c8e9SJack Meng 		cv_wait(&ihp->hba_service_cv, &ihp->hba_service_lock);
52924246c8e9SJack Meng 	}
52934246c8e9SJack Meng 	if (ihp->hba_service_status == ISCSI_SERVICE_ENABLED) {
52944246c8e9SJack Meng 		ihp->hba_service_client_count++;
52954246c8e9SJack Meng 	} else {
52964246c8e9SJack Meng 		rval = B_FALSE;
52974246c8e9SJack Meng 	}
52984246c8e9SJack Meng 	mutex_exit(&ihp->hba_service_lock);
52994246c8e9SJack Meng 
53004246c8e9SJack Meng 	return (rval);
53014246c8e9SJack Meng }
53024246c8e9SJack Meng 
53034246c8e9SJack Meng /*
53044246c8e9SJack Meng  * iscsi_client_release_service - decrease the count and wake up
53054246c8e9SJack Meng  *     blocking threads if the count reaches zero
53064246c8e9SJack Meng  */
53074246c8e9SJack Meng void
53084246c8e9SJack Meng iscsi_client_release_service(iscsi_hba_t *ihp) {
53094246c8e9SJack Meng 	mutex_enter(&ihp->hba_service_lock);
53104246c8e9SJack Meng 	ASSERT(ihp->hba_service_client_count > 0);
53114246c8e9SJack Meng 	ihp->hba_service_client_count--;
53124246c8e9SJack Meng 	if (ihp->hba_service_client_count == 0) {
53134246c8e9SJack Meng 		cv_broadcast(&ihp->hba_service_cv);
53144246c8e9SJack Meng 	}
53154246c8e9SJack Meng 	mutex_exit(&ihp->hba_service_lock);
53164246c8e9SJack Meng }
53174246c8e9SJack Meng 
53184246c8e9SJack Meng /*
53194246c8e9SJack Meng  * iscsi_enter_service_zone - enter the service zone, should be called
53204246c8e9SJack Meng  * before doing any modifications to the service status
53214246c8e9SJack Meng  * return TRUE if the zone is entered
53224246c8e9SJack Meng  *	  FALSE if no need to enter the zone
53234246c8e9SJack Meng  */
53244246c8e9SJack Meng static boolean_t
53254246c8e9SJack Meng iscsi_enter_service_zone(iscsi_hba_t *ihp, uint32_t status) {
53264246c8e9SJack Meng 	if ((status != ISCSI_SERVICE_ENABLED) &&
53274246c8e9SJack Meng 	    (status != ISCSI_SERVICE_DISABLED)) {
53284246c8e9SJack Meng 		return (B_FALSE);
53294246c8e9SJack Meng 	}
53304246c8e9SJack Meng 
53314246c8e9SJack Meng 	mutex_enter(&ihp->hba_service_lock);
53324246c8e9SJack Meng 	while (ihp->hba_service_status == ISCSI_SERVICE_TRANSITION) {
53334246c8e9SJack Meng 		cv_wait(&ihp->hba_service_cv, &ihp->hba_service_lock);
53344246c8e9SJack Meng 	}
53354246c8e9SJack Meng 	if (ihp->hba_service_status == status) {
53364246c8e9SJack Meng 		mutex_exit(&ihp->hba_service_lock);
53374246c8e9SJack Meng 		return (B_FALSE);
53384246c8e9SJack Meng 	}
53394246c8e9SJack Meng 	ihp->hba_service_status = ISCSI_SERVICE_TRANSITION;
53404246c8e9SJack Meng 	while (ihp->hba_service_client_count > 0) {
53414246c8e9SJack Meng 		cv_wait(&ihp->hba_service_cv, &ihp->hba_service_lock);
53424246c8e9SJack Meng 	}
53434246c8e9SJack Meng 	mutex_exit(&ihp->hba_service_lock);
53444246c8e9SJack Meng 	return (B_TRUE);
53454246c8e9SJack Meng }
53464246c8e9SJack Meng 
53474246c8e9SJack Meng /*
53484246c8e9SJack Meng  * iscsi_exit_service_zone - exits the service zone and wakes up waiters
53494246c8e9SJack Meng  */
53504246c8e9SJack Meng static void
53514246c8e9SJack Meng iscsi_exit_service_zone(iscsi_hba_t *ihp, uint32_t status) {
53524246c8e9SJack Meng 	if ((status != ISCSI_SERVICE_ENABLED) &&
53534246c8e9SJack Meng 	    (status != ISCSI_SERVICE_DISABLED)) {
53544246c8e9SJack Meng 		return;
53554246c8e9SJack Meng 	}
53564246c8e9SJack Meng 
53574246c8e9SJack Meng 	mutex_enter(&ihp->hba_service_lock);
53584246c8e9SJack Meng 	ASSERT(ihp->hba_service_status == ISCSI_SERVICE_TRANSITION);
53594246c8e9SJack Meng 	ihp->hba_service_status = status;
53604246c8e9SJack Meng 	cv_broadcast(&ihp->hba_service_cv);
53614246c8e9SJack Meng 	mutex_exit(&ihp->hba_service_lock);
53624246c8e9SJack Meng }
53634246c8e9SJack Meng 
53644246c8e9SJack Meng static void
53654246c8e9SJack Meng iscsi_check_miniroot(iscsi_hba_t *ihp) {
53664246c8e9SJack Meng 	if (strncmp(rootfs.bo_name, "/ramdisk", 8) == 0) {
53674246c8e9SJack Meng 		/*
53684246c8e9SJack Meng 		 * in miniroot we don't have the persistent store
53694246c8e9SJack Meng 		 * so just to need to ensure an enabled status
53704246c8e9SJack Meng 		 */
53714246c8e9SJack Meng 		ihp->hba_service_status = ISCSI_SERVICE_ENABLED;
53724246c8e9SJack Meng 	}
53734246c8e9SJack Meng }
5374*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
5375*aff4bce5Syi zhang - Sun Microsystems - Beijing China static void
5376*aff4bce5Syi zhang - Sun Microsystems - Beijing China iscsi_get_tunable_default(iscsi_tunable_object_t *param) {
5377*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	int	param_id = 0;
5378*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
5379*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	param_id = 1 << (param->t_param - 1);
5380*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	param->t_set = B_FALSE;
5381*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	switch (param_id) {
5382*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	case ISCSI_TUNABLE_PARAM_RX_TIMEOUT_VALUE:
5383*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		param->t_value.v_integer = ISCSI_DEFAULT_RX_TIMEOUT_VALUE;
5384*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		break;
5385*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	case ISCSI_TUNABLE_PARAM_LOGIN_POLLING_DELAY:
5386*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		param->t_value.v_integer = ISCSI_DEFAULT_LOGIN_POLLING_DELAY;
5387*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		break;
5388*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	case ISCSI_TUNABLE_PARAM_CONN_LOGIN_MAX:
5389*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		param->t_value.v_integer = ISCSI_DEFAULT_CONN_DEFAULT_LOGIN_MAX;
5390*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		break;
5391*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	default:
5392*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		break;
5393*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	}
5394*aff4bce5Syi zhang - Sun Microsystems - Beijing China }
5395*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
5396*aff4bce5Syi zhang - Sun Microsystems - Beijing China /*
5397*aff4bce5Syi zhang - Sun Microsystems - Beijing China  * iscsi_get_persisted_tunable_param * - a helper to ISCSI_TUNABLE_PARAM_GET
5398*aff4bce5Syi zhang - Sun Microsystems - Beijing China  * ioctl
5399*aff4bce5Syi zhang - Sun Microsystems - Beijing China  * return:
5400*aff4bce5Syi zhang - Sun Microsystems - Beijing China  *    0 	persisted tunable parameter found
5401*aff4bce5Syi zhang - Sun Microsystems - Beijing China  *    1		persisted tunable parameter not found
5402*aff4bce5Syi zhang - Sun Microsystems - Beijing China  */
5403*aff4bce5Syi zhang - Sun Microsystems - Beijing China static int
5404*aff4bce5Syi zhang - Sun Microsystems - Beijing China iscsi_get_persisted_tunable_param(uchar_t *name, iscsi_tunable_object_t *tpsg)
5405*aff4bce5Syi zhang - Sun Microsystems - Beijing China {
5406*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	int rtn = 1;
5407*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	int param_id = 0;
5408*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	persistent_tunable_param_t *pparam;
5409*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
5410*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	if ((name == NULL) || strlen((char *)name) == 0) {
5411*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		return (rtn);
5412*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	}
5413*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
5414*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	tpsg->t_set = B_FALSE;
5415*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	pparam = (persistent_tunable_param_t *)kmem_zalloc(sizeof (*pparam),
5416*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	    KM_SLEEP);
5417*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	if (persistent_get_tunable_param((char *)name, pparam) == B_TRUE) {
5418*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		if (pparam->p_bitmap & (1 << (tpsg->t_param - 1))) {
5419*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			tpsg->t_set = B_TRUE;
5420*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			param_id = 1 << (tpsg->t_param - 1);
5421*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			switch (param_id) {
5422*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			case ISCSI_TUNABLE_PARAM_RX_TIMEOUT_VALUE:
5423*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				tpsg->t_value.v_integer =
5424*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				    pparam->p_params.recv_login_rsp_timeout;
5425*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				break;
5426*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			case ISCSI_TUNABLE_PARAM_LOGIN_POLLING_DELAY:
5427*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				tpsg->t_value.v_integer =
5428*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				    pparam->p_params.polling_login_delay;
5429*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				break;
5430*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			case ISCSI_TUNABLE_PARAM_CONN_LOGIN_MAX:
5431*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				tpsg->t_value.v_integer =
5432*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				    pparam->p_params.conn_login_max;
5433*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				break;
5434*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			default:
5435*aff4bce5Syi zhang - Sun Microsystems - Beijing China 				break;
5436*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			}
5437*aff4bce5Syi zhang - Sun Microsystems - Beijing China 			rtn = 0;
5438*aff4bce5Syi zhang - Sun Microsystems - Beijing China 		}
5439*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	}
5440*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
5441*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	kmem_free(pparam, sizeof (*pparam));
5442*aff4bce5Syi zhang - Sun Microsystems - Beijing China 
5443*aff4bce5Syi zhang - Sun Microsystems - Beijing China 	return (rtn);
5444*aff4bce5Syi zhang - Sun Microsystems - Beijing China }
5445