diff options
Diffstat (limited to 'usr/src/lib/libcontract/common/device.c')
| -rw-r--r-- | usr/src/lib/libcontract/common/device.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/usr/src/lib/libcontract/common/device.c b/usr/src/lib/libcontract/common/device.c new file mode 100644 index 0000000000..99e9bd1203 --- /dev/null +++ b/usr/src/lib/libcontract/common/device.c @@ -0,0 +1,177 @@ +/* + * 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 2007 Sun Microsystems, Inc. All rights reserved. + * Use is subject to license terms. + */ + +#pragma ident "%Z%%M% %I% %E% SMI" + +#include <sys/ctfs.h> +#include <sys/contract.h> +#include <sys/contract/device.h> +#include <errno.h> +#include <unistd.h> +#include <string.h> +#include <libnvpair.h> +#include <limits.h> +#include <sys/stat.h> +#include <libcontract.h> +#include "libcontract_impl.h" + +/* + * Device contract template routines + */ + +int +ct_dev_tmpl_set_minor(int fd, char *minor) +{ + return (ct_tmpl_set_internal(fd, CTDP_MINOR, (uintptr_t)minor)); +} + +int +ct_dev_tmpl_set_aset(int fd, uint_t aset) +{ + return (ct_tmpl_set_internal(fd, CTDP_ACCEPT, aset)); +} + +int +ct_dev_tmpl_set_noneg(int fd) +{ + return (ct_tmpl_set_internal(fd, CTDP_NONEG, CTDP_NONEG_SET)); +} + +int +ct_dev_tmpl_clear_noneg(int fd) +{ + return (ct_tmpl_set_internal(fd, CTDP_NONEG, CTDP_NONEG_CLEAR)); +} + +int +ct_dev_tmpl_get_minor(int fd, char *buf, size_t *buflenp) +{ + char path[PATH_MAX]; + int error; + size_t len; + + error = ct_tmpl_get_internal_string(fd, CTDP_MINOR, path); + if (error) { + return (error); + } + + len = strlcpy(buf, path, *buflenp); + if (len >= *buflenp) { + *buflenp = len + 1; + return (EOVERFLOW); + } + + return (0); +} + +int +ct_dev_tmpl_get_aset(int fd, uint_t *aset) +{ + return (ct_tmpl_get_internal(fd, CTDP_ACCEPT, aset)); +} + +int +ct_dev_tmpl_get_noneg(int fd, uint_t *negp) +{ + return (ct_tmpl_get_internal(fd, CTDP_NONEG, negp)); +} + +/* + * Device contract event routines + */ + +/* + * No device contract specific event routines + */ + + +/* + * Device contract status routines + */ + +int +ct_dev_status_get_aset(ct_stathdl_t stathdl, uint_t *aset) +{ + struct ctlib_status_info *info = stathdl; + + if (info->status.ctst_type != CTT_DEVICE) + return (EINVAL); + + if (info->nvl == NULL) + return (ENOENT); + + return (nvlist_lookup_uint32(info->nvl, CTDS_ASET, aset)); +} + +int +ct_dev_status_get_noneg(ct_stathdl_t stathdl, uint_t *negp) +{ + struct ctlib_status_info *info = stathdl; + + if (info->status.ctst_type != CTT_DEVICE) + return (EINVAL); + + if (info->nvl == NULL) + return (ENOENT); + + return (nvlist_lookup_uint32(info->nvl, CTDS_NONEG, negp)); +} + +int +ct_dev_status_get_dev_state(ct_stathdl_t stathdl, uint_t *statep) +{ + struct ctlib_status_info *info = stathdl; + + if (info->status.ctst_type != CTT_DEVICE) + return (EINVAL); + + if (info->nvl == NULL) + return (ENOENT); + + return (nvlist_lookup_uint32(info->nvl, CTDS_STATE, statep)); +} + +int +ct_dev_status_get_minor(ct_stathdl_t stathdl, char **bufp) +{ + int error; + struct ctlib_status_info *info = stathdl; + + if (bufp == NULL) + return (EINVAL); + + if (info->status.ctst_type != CTT_DEVICE) + return (EINVAL); + + if (info->nvl == NULL) + return (ENOENT); + + error = nvlist_lookup_string(info->nvl, CTDS_MINOR, bufp); + if (error != 0) { + return (error); + } + + return (0); +} |