From 07c4ce0d6ff2902306d5e46d083707954af6ba6d Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Mon, 21 Feb 1994 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1994-02-21

---
 port/portdat.h | 20 ++++++++++++++++++++
 port/portfns.h |  2 ++
 2 files changed, 22 insertions(+)

diff --git a/port/portdat.h b/port/portdat.h
index 44f31c911bcc40a4fd13f8eacb0de97c99d19cd8..b7084a5a68a828425f66593efdef150217af7cd3 100644
--- a/port/portdat.h
+++ b/port/portdat.h
@@ -35,6 +35,7 @@ typedef struct Schedq	Schedq;
 typedef struct Segment	Segment;
 typedef struct Session	Session;
 typedef struct Talarm	Talarm;
+typedef struct Target	Target;
 typedef struct Waitq	Waitq;
 typedef int    Devgen(Chan*, Dirtab*, int, int, Dir*);
 
@@ -639,6 +640,25 @@ enum
 	AUTHLEN	= 8,
 };
 
+/* Things scsi */
+enum
+{
+	STharderr	=-1,	/* Command status error returns */
+	STok		= 0,
+	STcheck		= 2,
+	STcondmet	= 4,
+	STbusy		= 8,
+	STintok		= 16,
+	STconflict	= 18,
+	STintcondmet	= 20,
+	STterminated	= 22,
+	STresconf	= 24,
+	STqfull		= 28,
+
+	SCSIread	= 0,
+	SCSIwrite,
+};
+
 /*
  *  mouse types
  */
diff --git a/port/portfns.h b/port/portfns.h
index e41df9408d3bb4deebb0a29a9449b6431a4eaef5..68ad0e3ec5735db1a32129e5670c9dfcb61830a6 100644
--- a/port/portfns.h
+++ b/port/portfns.h
@@ -213,6 +213,8 @@ void		sched(void);
 void		schedinit(void);
 int		screenbits(void);
 void		screenupdate(void);
+int		scsiexec(Target*, int, uchar*, int, void*, int);
+int		scsiinv(int, int, Target**, uchar**, int*, int*);
 long		seconds(void);
 ulong		segattach(Proc*, ulong, char *, ulong, ulong);
 void		segpage(Segment*, Page*);