[dm-devel] [PATCH 3/5] libmultipath: add ALUA tpg path wildcard

From: Benjamin Marzinski <bmarzins@redhat.com>
To: Christophe Varoqui <christophe.varoqui@opensvc.com>
Cc: device-mapper development <dm-devel@redhat.com>,
	Martin Wilck <Martin.Wilck@suse.com>
Subject: [dm-devel] [PATCH 3/5] libmultipath: add ALUA tpg path wildcard
Date: Fri, 19 May 2023 18:02:10 -0500	[thread overview]
Message-ID: <1684537332-23033-4-git-send-email-bmarzins@redhat.com> (raw)
In-Reply-To: <1684537332-23033-1-git-send-email-bmarzins@redhat.com>

Make it possible to easily check a path's target port group.

Signed-off-by: Benjamin Marzinski <bmarzins@redhat.com>
---
 libmultipath/print.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/libmultipath/print.c b/libmultipath/print.c
index 3193dbe0..360308d2 100644
--- a/libmultipath/print.c
+++ b/libmultipath/print.c
@@ -782,6 +782,14 @@ snprint_path_vpd_data(struct strbuf *buff, const struct path * pp)
 	return append_strbuf_str(buff, "[undef]");
 }
 
+static int
+snprint_alua_tpg(struct strbuf *buff, const struct path * pp)
+{
+	if (pp->tpg_id < 0)
+		return append_strbuf_str(buff, "[undef]");
+	return print_strbuf(buff, "0x%04x", pp->tpg_id);
+}
+
 static const struct multipath_data mpd[] = {
 	{'n', "name",          snprint_name},
 	{'w', "uuid",          snprint_multipath_uuid},
@@ -836,6 +844,7 @@ static const struct path_data pd[] = {
 	{'P', "protocol",      snprint_path_protocol},
 	{'I', "init_st",       snprint_initialized},
 	{'L', "LUN hex",       snprint_path_lunhex},
+	{'A', "TPG",           snprint_alua_tpg},
 };
 
 static const struct pathgroup_data pgd[] = {
-- 
2.17.2

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