date and time created 86/01/12 18:04:57 by sam

SCCS-vsn: sys/tahoe/stand/conf.c 1.1

diff --git a/usr/src/sys/tahoe/stand/conf.c b/usr/src/sys/tahoe/stand/conf.c
new file mode 100644 (file)
index 0000000..ca2f224
--- /dev/null
+++ b/usr/src/sys/tahoe/stand/conf.c
@@ -0,0 +1,88 @@
+/*     conf.c  1.1     86/01/12        */
+/*     conf.c  6.1     83/07/29        */
+
+#include "../machine/pte.h"
+
+#include "param.h"
+#include "inode.h"
+#include "fs.h"
+
+
+#include "saio.h"
+
+devread(io)
+       register struct iob *io;
+{
+       int cc;
+
+       io->i_flgs |= F_RDDATA;
+       io->i_error = 0;
+       cc = (*devsw[io->i_ino.i_dev].dv_strategy)(io, READ);
+       io->i_flgs &= ~F_TYPEMASK;
+       return (cc);
+}
+
+devwrite(io)
+       register struct iob *io;
+{
+       int cc;
+
+       io->i_flgs |= F_WRDATA;
+       io->i_error = 0;
+       cc = (*devsw[io->i_ino.i_dev].dv_strategy)(io, WRITE);
+       io->i_flgs &= ~F_TYPEMASK;
+       return (cc);
+}
+
+devopen(io)
+       register struct iob *io;
+{
+
+       (*devsw[io->i_ino.i_dev].dv_open)(io);
+}
+
+devclose(io)
+       register struct iob *io;
+{
+
+       (*devsw[io->i_ino.i_dev].dv_close)(io);
+}
+
+
+/*ARGSUSED*/
+nullsys(io)
+       struct iob *io;
+{
+
+       ;
+}
+
+
+int    nullsys();
+
+
+#define wchstrategy    nullsys 
+#define wchopen        nullsys 
+#define ctstrategy     nullsys 
+#define ctopen                 nullsys         
+#define ctclose        nullsys
+
+int    udstrategy(),   udopen();
+int    vdstrategy(),   vdopen();
+int    cystrategy(),   cyopen(),       cyclose();
+
+struct devsw devsw[] = {
+       "fsd",  vdstrategy,     vdopen,         nullsys,
+       "smd",  vdstrategy,     vdopen,         nullsys,
+       "xfd",  vdstrategy,     vdopen,         nullsys,
+       "fuj",  vdstrategy,     vdopen,         nullsys,
+       "xsd",  vdstrategy,     vdopen,         nullsys,
+
+       "xmd",  udstrategy,     udopen,         nullsys,
+       "flp",  udstrategy,     udopen,         nullsys,
+       "cyp",  cystrategy,     cyopen,         cyclose,
+       "wch",  wchstrategy,    wchopen,        nullsys,
+       "ctp",  ctstrategy,     ctopen,         ctclose,
+       0,      0,              0,              0
+};
+