/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <scsi/libses.h>
#include "ses_impl.h"
int
enc_parse_td(ses2_td_hdr_impl_t *tip, const char *tp, nvlist_t *nvl)
{
int nverr;
if (tp != NULL)
SES_NV_ADD(fixed_string, nverr, nvl, SES_PROP_CLASS_DESCRIPTION,
tp, tip->sthi_text_len);
return (0);
}
static int
enc_eid(const ses2_ed_impl_t *tp, nvlist_t *nvl, const char *name)
{
int nverr;
SES_NV_ADD(uint64, nverr, nvl, name, tp->st_hdr.sehi_subenclosure_id);
return (0);
}
static int
enc_espid(const ses2_ed_impl_t *tp, nvlist_t *nvl, const char *name)
{
int nverr;
SES_NV_ADD(uint64, nverr, nvl, name, tp->st_hdr.sehi_rel_esp_id);
return (0);
}
static int
enc_nesp(const ses2_ed_impl_t *tp, nvlist_t *nvl, const char *name)
{
int nverr;
SES_NV_ADD(uint64, nverr, nvl, name, tp->st_hdr.sehi_n_esps);
return (0);
}
static int
enc_lid(const ses2_ed_impl_t *tp, nvlist_t *nvl, const char *name)
{
nvlist_t *lid;
int nverr;
if ((nverr = nvlist_alloc(&lid, NV_UNIQUE_NAME, 0)) != 0)
return (ses_set_nverrno(nverr, NULL));
SES_NV_ADD_OR_FREE(uint64, nverr, lid, SPC3_NAA_INT,
SCSI_READ64(&tp->st_logical_id));
switch (tp->st_logical_id.sni8i_naa) {
case NAA_IEEE_EXT:
SES_NV_ADD_OR_FREE(uint64, nverr, lid, SPC3_NAA_ID_TYPE,
NAA_IEEE_EXT);
SES_NV_ADD_OR_FREE(uint64, nverr, lid, SPC3_NAA_COMPANY_ID,
NAA_IEEE_EXT_COMPANY_ID(&tp->st_logical_id.sni8i_ext_id));
SES_NV_ADD_OR_FREE(uint64, nverr, lid, SPC3_NAA_VS_A,
NAA_IEEE_EXT_VENDOR_A(&tp->st_logical_id.sni8i_ext_id));
SES_NV_ADD_OR_FREE(uint64, nverr, lid, SPC3_NAA_VS_B,
NAA_IEEE_EXT_VENDOR_B(&tp->st_logical_id.sni8i_ext_id));
break;
case NAA_IEEE_REG:
SES_NV_ADD_OR_FREE(uint64, nverr, lid, SPC3_NAA_ID_TYPE,
NAA_IEEE_REG);
SES_NV_ADD_OR_FREE(uint64, nverr, lid, SPC3_NAA_COMPANY_ID,
NAA_IEEE_REG_COMPANY_ID(&tp->st_logical_id.sni8i_reg_id));
SES_NV_ADD_OR_FREE(uint64, nverr, lid, SPC3_NAA_VS_A,
NAA_IEEE_REG_VENDOR_ID(&tp->st_logical_id.sni8i_reg_id));
break;
default:
break;
}
if ((nverr = nvlist_add_nvlist(nvl, name, lid)) != 0) {
nvlist_free(lid);
return (ses_set_nverrno(nverr, name));
}
nvlist_free(lid);
return (0);
}
static int
enc_vid(const ses2_ed_impl_t *tp, nvlist_t *nvl,
const char *name)
{
int nverr;
SES_NV_ADD_FS_TRUNC(nverr, nvl, name, tp->st_vendor_id);
return (0);
}
static int
enc_pid(const ses2_ed_impl_t *tp, nvlist_t *nvl,
const char *name)
{
int nverr;
SES_NV_ADD_FS_TRUNC(nverr, nvl, name, tp->st_product_id);
return (0);
}
static int
enc_rev(const ses2_ed_impl_t *tp, nvlist_t *nvl,
const char *name)
{
int nverr;
SES_NV_ADD_FS_TRUNC(nverr, nvl, name, tp->st_product_revision);
return (0);
}
static int
enc_vs(const ses2_ed_impl_t *tp, nvlist_t *nvl, const char *name)
{
int nverr;
SES_NV_ADD(byte_array, nverr, nvl, name, (uchar_t *)tp->st_priv,
tp->st_hdr.sehi_ed_len - offsetof(ses2_ed_impl_t, st_priv[0]) +
offsetof(ses2_ed_impl_t, st_hdr.sehi_ed_len) + 1);
return (0);
}
/* LINTED - unused */
static const ses2_ed_impl_t __ed = { 0 };
#define ED_REQ_LEN(member) \
(offsetof(ses2_ed_impl_t, member) - sizeof (ses2_ed_hdr_impl_t) + \
sizeof (__ed.member))
static const struct config_member {
const char *name;
size_t minsz;
int (*func)(const ses2_ed_impl_t *, nvlist_t *, const char *);
} config_members[] = {
{ SES_EN_PROP_EID, 0, enc_eid },
{ SES_EN_PROP_ESPID, 0, enc_espid },
{ SES_EN_PROP_NESP, 0, enc_nesp },
{ SES_EN_PROP_LID, ED_REQ_LEN(st_logical_id), enc_lid },
{ SES_EN_PROP_VID, ED_REQ_LEN(st_vendor_id), enc_vid },
{ SES_EN_PROP_PID, ED_REQ_LEN(st_product_id), enc_pid },
{ SES_EN_PROP_REV, ED_REQ_LEN(st_product_revision), enc_rev },
{ SES_EN_PROP_VS, ED_REQ_LEN(st_priv), enc_vs },
{ NULL, 0, NULL }
};
int
enc_parse_ed(ses2_ed_impl_t *tp, nvlist_t *nvl)
{
const struct config_member *mp;
int err;
if (tp == NULL)
return (0);
for (mp = &config_members[0]; mp->name != NULL; mp++) {
if (mp->func != NULL && tp->st_hdr.sehi_ed_len >= mp->minsz) {
err = mp->func(tp, nvl, mp->name);
if (err != 0)
return (err);
}
}
return (0);
}
ses_target_t *
ses_open_scsi(uint_t version, libscsi_target_t *stp)
{
ses_target_t *tp;
ses_snap_t *sp;
if (version != LIBSES_VERSION) {
(void) ses_set_errno(ESES_VERSION);
return (NULL);
}
if ((tp = ses_zalloc(sizeof (ses_target_t))) == NULL)
return (NULL);
tp->st_target = stp;
tp->st_scsi_hdl = libscsi_get_handle(stp);
tp->st_truncate = (getenv("LIBSES_TRUNCATE") != NULL);
if (tp->st_truncate)
srand48(gethrtime());
(void) pthread_mutex_init(&tp->st_lock, NULL);
if (ses_plugin_load(tp) != 0) {
ses_close(tp);
return (NULL);
}
if ((sp = ses_snap_new(tp)) == NULL) {
ses_close(tp);
return (NULL);
}
ses_snap_rele(sp);
return (tp);
}
ses_target_t *
ses_open(uint_t version, const char *target)
{
ses_target_t *tp;
libscsi_errno_t serr;
libscsi_target_t *stp;
libscsi_hdl_t *hp;
if ((hp = libscsi_init(LIBSCSI_VERSION, &serr)) == NULL) {
(void) ses_error(ESES_LIBSCSI, "failed to initialize "
"libscsi: %s", libscsi_strerror(serr));
return (NULL);
}
if ((stp = libscsi_open(hp, NULL, target)) == NULL) {
(void) ses_libscsi_error(hp, "failed to open SES target");
libscsi_fini(hp);
return (NULL);
}
if ((tp = ses_open_scsi(version, stp)) == NULL) {
libscsi_close(hp, stp);
libscsi_fini(hp);
return (NULL);
}
tp->st_closescsi = B_TRUE;
return (tp);
}
libscsi_target_t *
ses_scsi_target(ses_target_t *tp)
{
return (tp->st_target);
}
void
ses_close(ses_target_t *tp)
{
if (tp->st_snapshots != NULL)
ses_snap_rele(tp->st_snapshots);
if (tp->st_snapshots != NULL)
ses_panic("attempt to close SES target with active snapshots");
ses_plugin_unload(tp);
if (tp->st_closescsi) {
libscsi_close(tp->st_scsi_hdl, tp->st_target);
libscsi_fini(tp->st_scsi_hdl);
}
ses_free(tp);
}