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---
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libmultipath/print.c | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++-
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1 file changed, 83 insertions(+), 1 deletion(-)
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Index: multipath-tools-130222/libmultipath/print.c
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===================================================================
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--- multipath-tools-130222.orig/libmultipath/print.c
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+++ multipath-tools-130222/libmultipath/print.c
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@@ -10,6 +10,7 @@
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#include <unistd.h>
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#include <string.h>
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#include <errno.h>
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+#include <libudev.h>
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#include "checkers.h"
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#include "vector.h"
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@@ -44,7 +45,7 @@
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* information printing helpers
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*/
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static int
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-snprint_str (char * buff, size_t len, char * str)
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+snprint_str (char * buff, size_t len, const char * str)
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{
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return snprintf(buff, len, "%s", str);
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}
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@@ -432,6 +433,83 @@ snprint_path_mpp (char * buff, size_t le
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}
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static int
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+snprint_host_attr (char * buff, size_t len, struct path * pp, char *attr)
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+{
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+ struct udev_device *host_dev = NULL;
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+ char host_id[32];
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+ const char *value = NULL;
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+ int ret;
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+
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+ if (pp->sg_id.proto_id != SCSI_PROTOCOL_FCP)
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+ return snprintf(buff, len, "[undef]");
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+ sprintf(host_id, "host%d", pp->sg_id.host_no);
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+ host_dev = udev_device_new_from_subsystem_sysname(conf->udev, "fc_host",
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+ host_id);
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+ if (!host_dev) {
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+ condlog(1, "%s: No fc_host device for '%s'", pp->dev, host_id);
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+ goto out;
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+ }
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+ value = udev_device_get_sysattr_value(host_dev, attr);
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+ if (value)
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+ ret = snprint_str(buff, len, value);
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+ udev_device_unref(host_dev);
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+out:
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+ if (!value)
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+ ret = snprintf(buff, len, "[unknown]");
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+ return ret;
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+}
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+
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+static int
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+snprint_host_wwnn (char * buff, size_t len, struct path * pp)
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+{
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+ return snprint_host_attr(buff, len, pp, "node_name");
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+}
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+
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+static int
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+snprint_host_wwpn (char * buff, size_t len, struct path * pp)
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+{
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+ return snprint_host_attr(buff, len, pp, "port_name");
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+}
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+
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+static int
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+snprint_tgt_wwpn (char * buff, size_t len, struct path * pp)
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+{
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+ struct udev_device *rport_dev = NULL;
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+ char rport_id[32];
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+ const char *value = NULL;
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+ int ret;
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+
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+ if (pp->sg_id.proto_id != SCSI_PROTOCOL_FCP)
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+ return snprintf(buff, len, "[undef]");
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+ sprintf(rport_id, "rport-%d:%d-%d",
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+ pp->sg_id.host_no, pp->sg_id.channel, pp->sg_id.transport_id);
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+ rport_dev = udev_device_new_from_subsystem_sysname(conf->udev,
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+ "fc_remote_ports", rport_id);
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+ if (!rport_dev) {
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+ condlog(1, "%s: No fc_remote_port device for '%s'", pp->dev,
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+ rport_id);
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+ goto out;
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+ }
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+ value = udev_device_get_sysattr_value(rport_dev, "port_name");
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+ if (value)
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+ ret = snprint_str(buff, len, value);
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+ udev_device_unref(rport_dev);
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+out:
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+ if (!value)
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+ ret = snprintf(buff, len, "[unknown]");
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+ return ret;
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+}
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+
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+
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+static int
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+snprint_tgt_wwnn (char * buff, size_t len, struct path * pp)
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+{
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+ if (pp->tgt_node_name[0] == '\0')
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+ return snprintf(buff, len, "[undef]");
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+ return snprint_str(buff, len, pp->tgt_node_name);
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+}
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+
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+static int
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snprint_path_checker (char * buff, size_t len, struct path * pp)
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{
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struct checker * c = &pp->checker;
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@@ -475,6 +553,10 @@ struct path_data pd[] = {
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{'S', "size", 0, snprint_path_size},
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{'z', "serial", 0, snprint_path_serial},
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{'m', "multipath", 0, snprint_path_mpp},
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+ {'N', "host WWNN", 0, snprint_host_wwnn},
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+ {'n', "target WWNN", 0, snprint_tgt_wwnn},
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+ {'R', "host WWPN", 0, snprint_host_wwpn},
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+ {'r', "target WWPN", 0, snprint_tgt_wwpn},
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{0, NULL, 0 , NULL}
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};
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