From a66732de4f6b7b5d6149f5e8c3fc89c70ad52d43 Mon Sep 17 00:00:00 2001
From: Konstantin Belousov <kib@FreeBSD.org>
Date: Mon, 3 Dec 2018 23:42:04 +0000
Subject: [PATCH] Print type designator 'D' for the KF_TYPE_DEV files.

No type-specific data is provided by the kernel.

Sponsored by:	Mellanox Technologies
MFC after:	1 week
---
 lib/libprocstat/libprocstat.c     | 5 +++++
 lib/libprocstat/libprocstat.h     | 1 +
 usr.bin/fstat/fstat.c             | 2 ++
 usr.bin/procstat/procstat_files.c | 5 +++++
 4 files changed, 13 insertions(+)

diff --git a/lib/libprocstat/libprocstat.c b/lib/libprocstat/libprocstat.c
index 99a9c50337e4..abba033a8c52 100644
--- a/lib/libprocstat/libprocstat.c
+++ b/lib/libprocstat/libprocstat.c
@@ -588,6 +588,10 @@ procstat_getfiles_kvm(struct procstat *procstat, struct kinfo_proc *kp, int mmap
 			type = PS_FST_TYPE_PROCDESC;
 			data = file.f_data;
 			break;
+		case DTYPE_DEV:
+			type = PS_FST_TYPE_DEV;
+			data = file.f_data;
+			break;
 		default:
 			continue;
 		}
@@ -673,6 +677,7 @@ kinfo_type2fst(int kftype)
 	} kftypes2fst[] = {
 		{ KF_TYPE_PROCDESC, PS_FST_TYPE_PROCDESC },
 		{ KF_TYPE_CRYPTO, PS_FST_TYPE_CRYPTO },
+		{ KF_TYPE_DEV, PS_FST_TYPE_DEV },
 		{ KF_TYPE_FIFO, PS_FST_TYPE_FIFO },
 		{ KF_TYPE_KQUEUE, PS_FST_TYPE_KQUEUE },
 		{ KF_TYPE_MQUEUE, PS_FST_TYPE_MQUEUE },
diff --git a/lib/libprocstat/libprocstat.h b/lib/libprocstat/libprocstat.h
index 94024c850e68..6e03ef515444 100644
--- a/lib/libprocstat/libprocstat.h
+++ b/lib/libprocstat/libprocstat.h
@@ -71,6 +71,7 @@
 #define	PS_FST_TYPE_UNKNOWN	11
 #define	PS_FST_TYPE_NONE	12
 #define	PS_FST_TYPE_PROCDESC	13
+#define	PS_FST_TYPE_DEV		14
 
 /*
  * Special descriptor numbers.
diff --git a/usr.bin/fstat/fstat.c b/usr.bin/fstat/fstat.c
index 2c81ffd08e25..f4d8c25708c1 100644
--- a/usr.bin/fstat/fstat.c
+++ b/usr.bin/fstat/fstat.c
@@ -301,6 +301,8 @@ print_file_info(struct procstat *procstat, struct filestat *fst,
 	case PS_FST_TYPE_SEM:
 		print_sem_info(procstat, fst);
 		break;
+	case PS_FST_TYPE_DEV:
+		break;
 	default:	
 		if (vflg)
 			fprintf(stderr,
diff --git a/usr.bin/procstat/procstat_files.c b/usr.bin/procstat/procstat_files.c
index ad1e1ca866d4..7a55659abcb5 100644
--- a/usr.bin/procstat/procstat_files.c
+++ b/usr.bin/procstat/procstat_files.c
@@ -408,6 +408,11 @@ procstat_files(struct procstat *procstat, struct kinfo_proc *kipp)
 			xo_emit("{eq:fd_type/procdesc}");
 			break;
 
+		case PS_FST_TYPE_DEV:
+			str = "D";
+			xo_emit("{eq:fd_type/dev}");
+			break;
+
 		case PS_FST_TYPE_NONE:
 			str = "?";
 			xo_emit("{eq:fd_type/none}");