3  * Common Development and Distribution License ("CDDL"), version 1.0.
4  * You may only use this file in accordance with the terms of version
23  * Store device name to zpool label bootenv area.
24  * This call will set bootenv version to VB_NVLIST, if bootenv currently
25  * does contain other version, then old data will be replaced.
28 lzbe_set_boot_device(const char *pool, lzbe_flags_t flag, const char *device)  in lzbe_set_boot_device()  argument
34 	uint64_t version;  in lzbe_set_boot_device()  local
35 	int rv = -1;  in lzbe_set_boot_device()
54 			 * We got the nvlist, check for version.  in lzbe_set_boot_device()
55 			 * if version is missing or is not VB_NVLIST,  in lzbe_set_boot_device()
59 			    &version);  in lzbe_set_boot_device()
60 			if (rv == 0 && version == VB_NVLIST)  in lzbe_set_boot_device()
74 	/* version is mandatory */  in lzbe_set_boot_device()
79 	 * If device name is empty, remove boot device configuration.  in lzbe_set_boot_device()
81 	if ((device == NULL || *device == '\0')) {  in lzbe_set_boot_device()
86 		 * Use device name directly if it does start with  in lzbe_set_boot_device()
89 		if (strncmp(device, "zfs:", 4) == 0) {  in lzbe_set_boot_device()
90 			fnvlist_add_string(nv, OS_BOOTONCE, device);  in lzbe_set_boot_device()
92 			if (asprintf(&descriptor, "zfs:%s:", device) > 0) {  in lzbe_set_boot_device()
111  * Return boot device name from bootenv, if set.
114 lzbe_get_boot_device(const char *pool, char **device)  in lzbe_get_boot_device()  argument
120 	int rv = -1;  in lzbe_get_boot_device()
122 	if (pool == NULL || *pool == '\0' || device == NULL)  in lzbe_get_boot_device()
139 			 * zfs device descriptor is in form of "zfs:dataset:",  in lzbe_get_boot_device()
147 					if (tmp[len - 1] == ':')  in lzbe_get_boot_device()
148 						tmp[len - 1] = '\0';  in lzbe_get_boot_device()
149 					*device = tmp;  in lzbe_get_boot_device()