CTL changes required for iSCSI target, most notably LUN remapping

and a mechanism to allow CTL frontends for retrieving LUN options.

Reviewed by:	ken (earlier version)

1 files changed, 13 insertions, 1 deletions

diff --git a/sys/cam/ctl/ctl_backend_ramdisk.c b/sys/cam/ctl/ctl_backend_ramdisk.c
index 63cc4e0..191e8e4 100644
--- a/sys/cam/ctl/ctl_backend_ramdisk.c
+++ b/sys/cam/ctl/ctl_backend_ramdisk.c
@@ -491,7 +491,7 @@ ctl_backend_ramdisk_create(struct ctl_be_ramdisk_softc *softc,
 	struct ctl_lun_create_params *params;
 	uint32_t blocksize;
 	char tmpstr[32];
-	int retval;
+	int i, retval;
 
 	retval = 0;
 	params = &req->reqdata.create;
@@ -509,6 +509,7 @@ ctl_backend_ramdisk_create(struct ctl_be_ramdisk_softc *softc,
 			 sizeof(*be_lun));
 		goto bailout_error;
 	}
+	STAILQ_INIT(&be_lun->ctl_be_lun.options);
 
 	if (params->flags & CTL_LUN_FLAG_DEV_TYPE)
 		be_lun->ctl_be_lun.lun_type = params->device_type;
@@ -545,6 +546,17 @@ ctl_backend_ramdisk_create(struct ctl_be_ramdisk_softc *softc,
 
 	be_lun->softc = softc;
 
+	for (i = 0; i < req->num_be_args; i++) {
+		struct ctl_be_lun_option *opt;
+
+		opt = malloc(sizeof(*opt), M_RAMDISK, M_WAITOK);
+		opt->name = malloc(strlen(req->kern_be_args[i].kname) + 1, M_RAMDISK, M_WAITOK);
+		strcpy(opt->name, req->kern_be_args[i].kname);
+		opt->value = malloc(strlen(req->kern_be_args[i].kvalue) + 1, M_RAMDISK, M_WAITOK);
+		strcpy(opt->value, req->kern_be_args[i].kvalue);
+		STAILQ_INSERT_TAIL(&be_lun->ctl_be_lun.options, opt, links);
+	}
+
 	be_lun->flags = CTL_BE_RAMDISK_LUN_UNCONFIGURED;
 	be_lun->ctl_be_lun.flags = CTL_LUN_FLAG_PRIMARY;
 	be_lun->ctl_be_lun.be_lun = be_lun;