diff options
Diffstat (limited to 'sys/arch/vax/vax/crl.c')
| -rw-r--r-- | sys/arch/vax/vax/crl.c | 258 |
1 files changed, 0 insertions, 258 deletions
diff --git a/sys/arch/vax/vax/crl.c b/sys/arch/vax/vax/crl.c deleted file mode 100644 index 64ff68cf650..00000000000 --- a/sys/arch/vax/vax/crl.c +++ /dev/null @@ -1,258 +0,0 @@ -/* $OpenBSD: crl.c,v 1.9 2010/06/26 23:24:44 guenther Exp $ */ -/* $NetBSD: crl.c,v 1.6 2000/01/24 02:40:33 matt Exp $ */ -/*- - * Copyright (c) 1982, 1986 The Regents of the University of California. - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND - * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE - * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE - * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL - * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS - * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) - * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF - * SUCH DAMAGE. - * - * @(#)crl.c 7.5 (Berkeley) 5/9/91 - */ - -/* - * TO DO (tef 7/18/85): - * 1) change printf's to log() instead??? - */ - -#include <sys/param.h> -#include <sys/systm.h> -#include <sys/conf.h> -#include <sys/proc.h> -#include <sys/buf.h> - -#include <machine/cpu.h> -#include <machine/mtpr.h> -#include <machine/sid.h> -#include <machine/scb.h> - -#include <vax/vax/crl.h> - -struct { - short crl_state; /* open and busy flags */ - short crl_active; /* driver state flag */ - struct buf *crl_buf; /* buffer we're using */ - ushort *crl_xaddr; /* transfer address */ - short crl_errcnt; -} crltab; - -struct { - int crl_cs; /* saved controller status */ - int crl_ds; /* saved drive status */ -} crlstat; - -void crlintr(void *); -void crlattach(void); -static void crlstart(void); - -int crlopen(dev_t, int, struct proc *); -int crlclose(dev_t, int, struct proc *); -int crlrw(dev_t, struct uio *, int); - - -struct ivec_dsp crl_intr; - -void -crlattach() -{ - crl_intr = idsptch; - crl_intr.hoppaddr = crlintr; - scb->scb_csrint = &crl_intr; -} - -/*ARGSUSED*/ -int -crlopen(dev, flag, p) - dev_t dev; - int flag; - struct proc *p; -{ - if (vax_cputype != VAX_8600) - return (ENXIO); - if (crltab.crl_state != CRL_IDLE) - return (EALREADY); - crltab.crl_state = CRL_OPEN; - crltab.crl_buf = geteblk(512); - return (0); -} - -/*ARGSUSED*/ -int -crlclose(dev, flag, p) - dev_t dev; - int flag; - struct proc *p; -{ - - brelse(crltab.crl_buf); - crltab.crl_state = CRL_IDLE; - return 0; -} - -/*ARGSUSED*/ -int -crlrw(dev, uio, flag) - dev_t dev; - struct uio *uio; - int flag; -{ - register struct buf *bp; - register int i; - register int s; - int error; - - if (uio->uio_resid == 0) - return (0); - s = spl4(); - while (crltab.crl_state & CRL_BUSY) - tsleep((caddr_t)&crltab, PRIBIO, "crlrw", 0); - crltab.crl_state |= CRL_BUSY; - splx(s); - - bp = crltab.crl_buf; - error = 0; - while ((i = imin(CRLBYSEC, uio->uio_resid)) > 0) { - bp->b_blkno = uio->uio_offset>>9; - if (bp->b_blkno >= MAXSEC || (uio->uio_offset & 0x1FF) != 0) { - error = EIO; - break; - } - if (uio->uio_rw == UIO_WRITE) { - error = uiomove(bp->b_data, i, uio); - if (error) - break; - } - bp->b_flags = uio->uio_rw == UIO_WRITE ? B_WRITE : B_READ; - s = spl4(); - crlstart(); - while ((bp->b_flags & B_DONE) == 0) - tsleep((caddr_t)bp, PRIBIO, "crlrw", 0); - splx(s); - if (bp->b_flags & B_ERROR) { - error = EIO; - break; - } - if (uio->uio_rw == UIO_READ) { - error = uiomove(bp->b_data, i, uio); - if (error) - break; - } - } - crltab.crl_state &= ~CRL_BUSY; - wakeup((caddr_t)&crltab); - return (error); -} - -void -crlstart() -{ - register struct buf *bp; - - bp = crltab.crl_buf; - crltab.crl_errcnt = 0; - crltab.crl_xaddr = (ushort *) bp->b_data; - bp->b_resid = 0; - - if ((mfpr(PR_STXCS) & STXCS_RDY) == 0) - /* not ready to receive order */ - return; - if ((bp->b_flags&(B_READ|B_WRITE)) == B_READ) { - crltab.crl_active = CRL_F_READ; - mtpr(bp->b_blkno<<8 | STXCS_IE | CRL_F_READ, PR_STXCS); - } else { - crltab.crl_active = CRL_F_WRITE; - mtpr(bp->b_blkno<<8 | STXCS_IE | CRL_F_WRITE, PR_STXCS); - } -#ifdef lint - crlintr(NULL); -#endif -} - -void -crlintr(arg) - void *arg; -{ - register struct buf *bp; - int i; - - bp = crltab.crl_buf; - i = mfpr(PR_STXCS); - switch ((i>>24) & 0xFF) { - - case CRL_S_XCMPLT: - switch (crltab.crl_active) { - - case CRL_F_RETSTS: - crlstat.crl_ds = mfpr(PR_STXDB); - printf("crlcs=0x%b, crlds=0x%b\n", crlstat.crl_cs, - CRLCS_BITS, crlstat.crl_ds, CRLDS_BITS); - break; - - case CRL_F_READ: - case CRL_F_WRITE: - bp->b_flags |= B_DONE; - } - crltab.crl_active = 0; - wakeup((caddr_t)bp); - break; - - case CRL_S_XCONT: - switch (crltab.crl_active) { - - case CRL_F_WRITE: - mtpr(*crltab.crl_xaddr++, PR_STXDB); - mtpr(bp->b_blkno<<8 | STXCS_IE | CRL_F_WRITE, PR_STXCS); - break; - - case CRL_F_READ: - *crltab.crl_xaddr++ = mfpr(PR_STXDB); - mtpr(bp->b_blkno<<8 | STXCS_IE | CRL_F_READ, PR_STXCS); - } - break; - - case CRL_S_ABORT: - crltab.crl_active = CRL_F_RETSTS; - mtpr(STXCS_IE | CRL_F_RETSTS, PR_STXCS); - bp->b_flags |= B_DONE|B_ERROR; - break; - - case CRL_S_RETSTS: - crlstat.crl_cs = mfpr(PR_STXDB); - mtpr(STXCS_IE | CRL_S_RETSTS, PR_STXCS); - break; - - case CRL_S_HNDSHK: - printf("crl: hndshk error\n"); /* dump out some status too? */ - crltab.crl_active = 0; - bp->b_flags |= B_DONE|B_ERROR; - wakeup((caddr_t)bp); - break; - - case CRL_S_HWERR: - printf("crl: hard error sn%d\n", bp->b_blkno); - crltab.crl_active = CRL_F_ABORT; - mtpr(STXCS_IE | CRL_F_ABORT, PR_STXCS); - break; - } -} |