Author: mav
Date: Sat Jul 5 05:44:26 2014
New Revision: 268284
URL: http://svnweb.freebsd.org/changeset/base/268284
Log:
Introduce new IOCTL CTL_PORT_LIST reporting in more flexible XML format.
Leave old CTL_GET_PORT_LIST in place so far. Garbage-collect it later.
Modified:
head/sys/cam/ctl/ctl.c
head/sys/cam/ctl/ctl_ioctl.h
head/usr.sbin/ctladm/ctladm.c
Modified: head/sys/cam/ctl/ctl.c
==============================================================================
--- head/sys/cam/ctl/ctl.c Sat Jul 5 04:10:24 2014 (r268283)
+++ head/sys/cam/ctl/ctl.c Sat Jul 5 05:44:26 2014 (r268284)
@@ -3138,6 +3138,104 @@ ctl_ioctl(struct cdev *dev, u_long cmd,
retval = fe->ioctl(dev, cmd, addr, flag, td);
break;
}
+ case CTL_PORT_LIST: {
+ struct sbuf *sb;
+ struct ctl_port *port;
+ struct ctl_lun_list *list;
+// struct ctl_option *opt;
+
+ list = (struct ctl_lun_list *)addr;
+
+ sb = sbuf_new(NULL, NULL, list->alloc_len, SBUF_FIXEDLEN);
+ if (sb == NULL) {
+ list->status = CTL_LUN_LIST_ERROR;
+ snprintf(list->error_str, sizeof(list->error_str),
+ "Unable to allocate %d bytes for LUN list",
+ list->alloc_len);
+ break;
+ }
+
+ sbuf_printf(sb, "<ctlportlist>\n");
+
+ mtx_lock(&softc->ctl_lock);
+ STAILQ_FOREACH(port, &softc->port_list, links) {
+ retval = sbuf_printf(sb, "<targ_port id=\"%ju\">\n",
+ (uintmax_t)port->targ_port);
+
+ /*
+ * Bail out as soon as we see that we've overfilled
+ * the buffer.
+ */
+ if (retval != 0)
+ break;
+
+ retval = sbuf_printf(sb, "\t<frontend_type>%s"
+ "</frontend_type>\n", port->frontend->name);
+ if (retval != 0)
+ break;
+
+ retval = sbuf_printf(sb,
"\t<port_type>%d</port_type>\n",
+ port->port_type);
+ if (retval != 0)
+ break;
+
+ retval = sbuf_printf(sb, "\t<online>%s</online>\n",
+ (port->status & CTL_PORT_STATUS_ONLINE) ? "YES" :
"NO");
+ if (retval != 0)
+ break;
+
+ retval = sbuf_printf(sb,
"\t<port_name>%s</port_name>\n",
+ port->port_name);
+ if (retval != 0)
+ break;
+
+ retval = sbuf_printf(sb,
"\t<physical_port>%d</physical_port>\n",
+ port->physical_port);
+ if (retval != 0)
+ break;
+
+ retval = sbuf_printf(sb,
"\t<virtual_port>%d</virtual_port>\n",
+ port->virtual_port);
+ if (retval != 0)
+ break;
+
+ retval = sbuf_printf(sb, "\t<wwnn>%#jx</wwnn>\n",
+ (uintmax_t)port->wwnn);
+ if (retval != 0)
+ break;
+
+ retval = sbuf_printf(sb, "\t<wwpn>%#jx</wwpn>\n",
+ (uintmax_t)port->wwpn);
+ if (retval != 0)
+ break;
+
+ retval = sbuf_printf(sb, "</targ_port>\n");
+ if (retval != 0)
+ break;
+ }
+ mtx_unlock(&softc->ctl_lock);
+
+ if ((retval != 0)
+ || ((retval = sbuf_printf(sb, "</ctlportlist>\n")) != 0)) {
+ retval = 0;
+ sbuf_delete(sb);
+ list->status = CTL_LUN_LIST_NEED_MORE_SPACE;
+ snprintf(list->error_str, sizeof(list->error_str),
+ "Out of space, %d bytes is too small",
+ list->alloc_len);
+ break;
+ }
+
+ sbuf_finish(sb);
+
+ retval = copyout(sbuf_data(sb), list->lun_xml,
+ sbuf_len(sb) + 1);
+
+ list->fill_len = sbuf_len(sb) + 1;
+ list->status = CTL_LUN_LIST_OK;
+ sbuf_delete(sb);
+ break;
+ }
default: {
/* XXX KDM should we fix this? */
#if 0
Modified: head/sys/cam/ctl/ctl_ioctl.h
==============================================================================
--- head/sys/cam/ctl/ctl_ioctl.h Sat Jul 5 04:10:24 2014
(r268283)
+++ head/sys/cam/ctl/ctl_ioctl.h Sat Jul 5 05:44:26 2014
(r268284)
@@ -789,6 +789,7 @@ struct ctl_iscsi {
#define CTL_ERROR_INJECT_DELETE _IOW(CTL_MINOR, 0x23, struct
ctl_error_desc)
#define CTL_SET_PORT_WWNS _IOW(CTL_MINOR, 0x24, struct
ctl_port_entry)
#define CTL_ISCSI _IOWR(CTL_MINOR, 0x25, struct ctl_iscsi)
+#define CTL_PORT_LIST _IOWR(CTL_MINOR, 0x26, struct
ctl_lun_list)
#endif /* _CTL_IOCTL_H_ */
Modified: head/usr.sbin/ctladm/ctladm.c
==============================================================================
--- head/usr.sbin/ctladm/ctladm.c Sat Jul 5 04:10:24 2014
(r268283)
+++ head/usr.sbin/ctladm/ctladm.c Sat Jul 5 05:44:26 2014
(r268284)
@@ -95,6 +95,7 @@ typedef enum {
CTLADM_CMD_READ,
CTLADM_CMD_WRITE,
CTLADM_CMD_PORT,
+ CTLADM_CMD_PORTLIST,
CTLADM_CMD_READCAPACITY,
CTLADM_CMD_MODESENSE,
CTLADM_CMD_DUMPOOA,
@@ -190,6 +191,7 @@ static struct ctladm_opts option_table[]
{"modesense", CTLADM_CMD_MODESENSE, CTLADM_ARG_NEED_TL, "P:S:dlm:c:"},
{"modify", CTLADM_CMD_MODIFY, CTLADM_ARG_NONE, "b:l:s:"},
{"port", CTLADM_CMD_PORT, CTLADM_ARG_NONE, "lo:p:qt:w:W:x"},
+ {"portlist", CTLADM_CMD_PORTLIST, CTLADM_ARG_NONE, "f:vx"},
{"prin", CTLADM_CMD_PRES_IN, CTLADM_ARG_NEED_TL, "a:"},
{"prout", CTLADM_CMD_PRES_OUT, CTLADM_ARG_NEED_TL, "a:k:r:s:"},
{"read", CTLADM_CMD_READ, CTLADM_ARG_NEED_TL, rw_opts},
@@ -4073,6 +4075,269 @@ bailout:
return (retval);
}
+/*
+ * Port information.
+ */
+struct cctl_port {
+ uint64_t port_id;
+ char *online;
+ char *frontend_type;
+ char *name;
+ int pp, vp;
+ char *wwnn, *wwpn;
+ STAILQ_HEAD(,cctl_lun_nv) attr_list;
+ STAILQ_ENTRY(cctl_port) links;
+};
+
+struct cctl_portlist_data {
+ int num_ports;
+ STAILQ_HEAD(,cctl_port) port_list;
+ struct cctl_port *cur_port;
+ int level;
+ struct sbuf *cur_sb[32];
+};
+
+static void
+cctl_start_pelement(void *user_data, const char *name, const char **attr)
+{
+ int i;
+ struct cctl_portlist_data *portlist;
+ struct cctl_port *cur_port;
+
+ portlist = (struct cctl_portlist_data *)user_data;
+ cur_port = portlist->cur_port;
+ portlist->level++;
+ if ((u_int)portlist->level >= (sizeof(portlist->cur_sb) /
+ sizeof(portlist->cur_sb[0])))
+ errx(1, "%s: too many nesting levels, %zd max", __func__,
+ sizeof(portlist->cur_sb) / sizeof(portlist->cur_sb[0]));
+
+ portlist->cur_sb[portlist->level] = sbuf_new_auto();
+ if (portlist->cur_sb[portlist->level] == NULL)
+ err(1, "%s: Unable to allocate sbuf", __func__);
+
+ if (strcmp(name, "targ_port") == 0) {
+ if (cur_port != NULL)
+ errx(1, "%s: improper port element nesting", __func__);
+
+ cur_port = calloc(1, sizeof(*cur_port));
+ if (cur_port == NULL)
+ err(1, "%s: cannot allocate %zd bytes", __func__,
+ sizeof(*cur_port));
+
+ portlist->num_ports++;
+ portlist->cur_port = cur_port;
+
+ STAILQ_INIT(&cur_port->attr_list);
+ STAILQ_INSERT_TAIL(&portlist->port_list, cur_port, links);
+
+ for (i = 0; attr[i] != NULL; i += 2) {
+ if (strcmp(attr[i], "id") == 0) {
+ cur_port->port_id = strtoull(attr[i+1], NULL,
0);
+ } else {
+ errx(1, "%s: invalid LUN attribute %s = %s",
+ __func__, attr[i], attr[i+1]);
+ }
+ }
+ }
+}
+
+static void
+cctl_end_pelement(void *user_data, const char *name)
+{
+ struct cctl_portlist_data *portlist;
+ struct cctl_port *cur_port;
+ char *str;
+
+ portlist = (struct cctl_portlist_data *)user_data;
+ cur_port = portlist->cur_port;
+
+ if ((cur_port == NULL)
+ && (strcmp(name, "ctlportlist") != 0))
+ errx(1, "%s: cur_port == NULL! (name = %s)", __func__, name);
+
+ if (portlist->cur_sb[portlist->level] == NULL)
+ errx(1, "%s: no valid sbuf at level %d (name %s)", __func__,
+ portlist->level, name);
+
+ if (sbuf_finish(portlist->cur_sb[portlist->level]) != 0)
+ err(1, "%s: sbuf_finish", __func__);
+ str = strdup(sbuf_data(portlist->cur_sb[portlist->level]));
+ if (str == NULL)
+ err(1, "%s can't allocate %zd bytes for string", __func__,
+ sbuf_len(portlist->cur_sb[portlist->level]));
+
+ if (strlen(str) == 0) {
+ free(str);
+ str = NULL;
+ }
+
+ sbuf_delete(portlist->cur_sb[portlist->level]);
+ portlist->cur_sb[portlist->level] = NULL;
+ portlist->level--;
+
+ if (strcmp(name, "frontend_type") == 0) {
+ cur_port->frontend_type = str;
+ str = NULL;
+ } else if (strcmp(name, "port_name") == 0) {
+ cur_port->name = str;
+ str = NULL;
+ } else if (strcmp(name, "online") == 0) {
+ cur_port->online = str;
+ str = NULL;
+ } else if (strcmp(name, "physical_port") == 0) {
+ cur_port->pp = strtoull(str, NULL, 0);
+ } else if (strcmp(name, "virtual_port") == 0) {
+ cur_port->pp = strtoull(str, NULL, 0);
+ } else if (strcmp(name, "wwnn") == 0) {
+ cur_port->wwnn = str;
+ str = NULL;
+ } else if (strcmp(name, "wwpn") == 0) {
+ cur_port->wwpn = str;
+ str = NULL;
+ } else if (strcmp(name, "targ_port") == 0) {
+ portlist->cur_port = NULL;
+ } else if (strcmp(name, "ctlportlist") == 0) {
+
+ } else {
+ struct cctl_lun_nv *nv;
+
+ nv = calloc(1, sizeof(*nv));
+ if (nv == NULL)
+ err(1, "%s: can't allocate %zd bytes for nv pair",
+ __func__, sizeof(*nv));
+
+ nv->name = strdup(name);
+ if (nv->name == NULL)
+ err(1, "%s: can't allocated %zd bytes for string",
+ __func__, strlen(name));
+
+ nv->value = str;
+ str = NULL;
+ STAILQ_INSERT_TAIL(&cur_port->attr_list, nv, links);
+ }
+
+ free(str);
+}
+
+static void
+cctl_char_phandler(void *user_data, const XML_Char *str, int len)
+{
+ struct cctl_portlist_data *portlist;
+
+ portlist = (struct cctl_portlist_data *)user_data;
+
+ sbuf_bcat(portlist->cur_sb[portlist->level], str, len);
+}
+
+static int
+cctl_portlist(int fd, int argc, char **argv, char *combinedopt)
+{
+ struct ctl_lun_list list;
+ struct cctl_portlist_data portlist;
+ struct cctl_port *port;
+ XML_Parser parser;
+ char *port_str;
+ int port_len;
+ int dump_xml = 0;
+ int retval, c;
+ char *frontend = NULL;
+ int verbose = 0;
+
+ retval = 0;
+ port_len = 4096;
+
+ bzero(&portlist, sizeof(portlist));
+ STAILQ_INIT(&portlist.port_list);
+
+ while ((c = getopt(argc, argv, combinedopt)) != -1) {
+ switch (c) {
+ case 'f':
+ frontend = strdup(optarg);
+ break;
+ case 'v':
+ verbose++;
+ break;
+ case 'x':
+ dump_xml = 1;
+ break;
+ default:
+ break;
+ }
+ }
+
+retry:
+ port_str = malloc(port_len);
+
+ bzero(&list, sizeof(list));
+ list.alloc_len = port_len;
+ list.status = CTL_LUN_LIST_NONE;
+ list.lun_xml = port_str;
+
+ if (ioctl(fd, CTL_PORT_LIST, &list) == -1) {
+ warn("%s: error issuing CTL_PORT_LIST ioctl", __func__);
+ retval = 1;
+ goto bailout;
+ }
+
+ if (list.status == CTL_LUN_LIST_ERROR) {
+ warnx("%s: error returned from CTL_PORT_LIST ioctl:\n%s",
+ __func__, list.error_str);
+ } else if (list.status == CTL_LUN_LIST_NEED_MORE_SPACE) {
+ port_len = port_len << 1;
+ goto retry;
+ }
+
+ if (dump_xml != 0) {
+ printf("%s", port_str);
+ goto bailout;
+ }
+
+ parser = XML_ParserCreate(NULL);
+ if (parser == NULL) {
+ warn("%s: Unable to create XML parser", __func__);
+ retval = 1;
+ goto bailout;
+ }
+
+ XML_SetUserData(parser, &portlist);
+ XML_SetElementHandler(parser, cctl_start_pelement, cctl_end_pelement);
+ XML_SetCharacterDataHandler(parser, cctl_char_phandler);
+
+ retval = XML_Parse(parser, port_str, strlen(port_str), 1);
+ XML_ParserFree(parser);
+ if (retval != 1) {
+ retval = 1;
+ goto bailout;
+ }
+
+ printf("Port Online Frontend %-12s pp vp %-18s %-18s\n",
+ "Name", "WWNN", "WWPN");
+ STAILQ_FOREACH(port, &portlist.port_list, links) {
+ struct cctl_lun_nv *nv;
+
+ if ((frontend != NULL)
+ && (strcmp(port->frontend_type, frontend) != 0))
+ continue;
+
+ printf("%-4ju %-6s %-8s %-12s %-2d %-2d %-18s %-18s\n",
+ (uintmax_t)port->port_id, port->online,
+ port->frontend_type, port->name, port->pp, port->vp,
+ port->wwnn, port->wwpn);
+
+ if (verbose == 0)
+ continue;
+
+ STAILQ_FOREACH(nv, &port->attr_list, links) {
+ printf(" %s=%s\n", nv->name, nv->value);
+ }
+ }
+bailout:
+ free(port_str);
+
+ return (retval);
+}
+
void
usage(int error)
{
@@ -4104,7 +4369,7 @@ usage(int error)
" [-S serial_num] [-t dev_type]\n"
" ctladm remove <-b backend> <-l lun_id> [-o name=value]\n"
" ctladm modify <-b backend> <-l lun_id> <-s size_bytes>\n"
-" ctladm devlist [-b][-v][-x]\n"
+" ctladm devlist [-b backend] [-v] [-x]\n"
" ctladm shutdown\n"
" ctladm startup\n"
" ctladm hardstop\n"
@@ -4120,6 +4385,7 @@ usage(int error)
" [-s len fmt [args]] [-c] [-d delete_id]\n"
" ctladm port <-l | -o <on|off> | [-w wwnn][-W wwpn]>\n"
" [-p targ_port] [-t port_type] [-q] [-x]\n"
+" ctladm portlist [-f frontend] [-v] [-x]\n"
" ctladm islist [-v | -x]\n"
" ctladm islogout <-a | -c connection-id | -i name | -p portal>\n"
" ctladm isterminate <-a | -c connection-id | -i name | -p portal>\n"
@@ -4429,6 +4695,9 @@ main(int argc, char **argv)
case CTLADM_CMD_PORT:
retval = cctl_port(fd, argc, argv, combinedopt);
break;
+ case CTLADM_CMD_PORTLIST:
+ retval = cctl_portlist(fd, argc, argv, combinedopt);
+ break;
case CTLADM_CMD_READCAPACITY:
retval = cctl_read_capacity(fd, target, lun, initid, retries,
argc, argv, combinedopt);
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