Synchronize with sys/i386/conf/files.i386 and sys/i386/isa/wd.c
revisions 1.169 and 1.133, respectively.
This commit is contained in:
KATO Takenori
parent
3b29be9bb9
commit
7ae53134ce
@ -3,7 +3,7 @@
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#
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# modified for PC-9801
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#
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# $Id: files.pc98,v 1.28 1997/06/30 09:57:33 kato Exp $
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# $Id: files.pc98,v 1.29 1997/07/26 01:34:33 kato Exp $
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#
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aic7xxx_asm optional ahc device-driver \
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dependency "$S/dev/aic7xxx/*.[chyl]" \
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@ -302,4 +302,4 @@ gnu/i386/fpemul/reg_u_sub.s optional gpl_math_emulate
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gnu/i386/fpemul/wm_shrx.s optional gpl_math_emulate
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gnu/i386/fpemul/wm_sqrt.s optional gpl_math_emulate
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gnu/i386/isa/dgb.c optional dgb device-driver
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pci/wd82371.c optional wd device-driver
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pci/ide_pci.c optional wd device-driver
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@ -3,7 +3,7 @@
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#
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# modified for PC-9801
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#
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# $Id: files.pc98,v 1.28 1997/06/30 09:57:33 kato Exp $
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# $Id: files.pc98,v 1.29 1997/07/26 01:34:33 kato Exp $
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#
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aic7xxx_asm optional ahc device-driver \
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dependency "$S/dev/aic7xxx/*.[chyl]" \
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@ -302,4 +302,4 @@ gnu/i386/fpemul/reg_u_sub.s optional gpl_math_emulate
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gnu/i386/fpemul/wm_shrx.s optional gpl_math_emulate
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gnu/i386/fpemul/wm_sqrt.s optional gpl_math_emulate
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gnu/i386/isa/dgb.c optional dgb device-driver
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pci/wd82371.c optional wd device-driver
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pci/ide_pci.c optional wd device-driver
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@ -34,7 +34,7 @@
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* SUCH DAMAGE.
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*
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* from: @(#)wd.c 7.2 (Berkeley) 5/9/91
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* $Id: wd.c,v 1.25 1997/07/02 11:01:37 kato Exp $
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* $Id: wd.c,v 1.26 1997/07/21 13:11:16 kato Exp $
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*/
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/* TODO:
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@ -116,6 +116,7 @@ extern void wdstart(int ctrlr);
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/* can't handle that in all cases */
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#define WDOPT_32BIT 0x8000
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#define WDOPT_SLEEPHACK 0x4000
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#define WDOPT_DMA 0x2000
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#define WDOPT_FORCEHD(x) (((x)&0x0f00)>>8)
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#define WDOPT_MULTIMASK 0x00ff
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@ -192,12 +193,17 @@ struct disk {
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#define DKFL_32BIT 0x00100 /* use 32-bit i/o mode */
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#define DKFL_MULTI 0x00200 /* use multi-i/o mode */
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#define DKFL_BADSCAN 0x00400 /* report all errors */
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#define DKFL_USEDMA 0x00800 /* use DMA for data transfers */
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#define DKFL_DMA 0x01000 /* using DMA on this transfer-- DKFL_SINGLE
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* overrides this
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*/
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struct wdparams dk_params; /* ESDI/IDE drive/controller parameters */
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int dk_dkunit; /* disk stats unit number */
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int dk_multi; /* multi transfers */
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int dk_currentiosize; /* current io size */
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struct diskgeom dk_dd; /* device configuration data */
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struct diskslices *dk_slices; /* virtual drives */
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void *dk_dmacookie; /* handle for DMA services */
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#ifdef PC98
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short single_sector;
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#endif
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@ -241,6 +247,7 @@ static int wdsetctlr(struct disk *du);
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#if 0
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static int wdwsetctlr(struct disk *du);
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#endif
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static int wdsetmode(int mode, void *wdinfo);
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static int wdgetctlr(struct disk *du);
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static void wderror(struct buf *bp, struct disk *du, char *mesg);
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static void wdflushirq(struct disk *du, int old_ipl);
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@ -444,6 +451,7 @@ wdattach(struct isa_device *dvp)
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int unit, lunit;
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struct isa_device *wdup;
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struct disk *du;
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struct wdparams *wp;
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if (dvp->id_unit >= NWDC)
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return (0);
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@ -515,6 +523,8 @@ wdattach(struct isa_device *dvp)
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dvp->id_unit, unit, lunit,
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sizeof du->dk_params.wdp_model,
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du->dk_params.wdp_model);
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if (du->dk_flags & DKFL_USEDMA)
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printf(", DMA");
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if (du->dk_flags & DKFL_32BIT)
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printf(", 32-bit");
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if (du->dk_multi > 1)
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@ -537,6 +547,17 @@ wdattach(struct isa_device *dvp)
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du->dk_dd.d_nsectors,
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du->dk_dd.d_secsize);
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if (bootverbose) {
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wp = &du->dk_params;
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printf(
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"wd%d: ATA INQUIRE valid = %04x, dmamword = %04x, apio = %04x, udma = %04x\n",
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du->dk_lunit,
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wp->wdp_atavalid,
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wp->wdp_dmamword,
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wp->wdp_eidepiomodes,
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wp->wdp_udmamode);
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}
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/*
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* Start timeout routine for this drive.
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* XXX timeout should be per controller.
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@ -919,7 +940,19 @@ wdstart(int ctrlr)
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count = 1;
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du->dk_currentiosize = 1;
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} else {
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if( (count > 1) && (du->dk_multi > 1)) {
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if((du->dk_flags & DKFL_USEDMA) &&
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wddma.wdd_dmaverify(du->dk_dmacookie,
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(void *)((int)bp->b_un.b_addr +
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du->dk_skip * DEV_BSIZE),
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du->dk_bc,
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bp->b_flags & B_READ)) {
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du->dk_flags |= DKFL_DMA;
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if( bp->b_flags & B_READ)
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command = WDCC_READ_DMA;
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else
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command = WDCC_WRITE_DMA;
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du->dk_currentiosize = count;
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} else if( (count > 1) && (du->dk_multi > 1)) {
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du->dk_flags |= DKFL_MULTI;
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if( bp->b_flags & B_READ) {
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command = WDCC_READ_MULTI;
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@ -955,6 +988,14 @@ wdstart(int ctrlr)
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if(du->dk_dkunit >= 0) {
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dk_busy |= 1 << du->dk_dkunit;
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}
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if ((du->dk_flags & (DKFL_DMA|DKFL_SINGLE)) == DKFL_DMA) {
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wddma.wdd_dmaprep(du->dk_dmacookie,
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(void *)((int)bp->b_un.b_addr +
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du->dk_skip * DEV_BSIZE),
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du->dk_bc,
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bp->b_flags & B_READ);
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}
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while (wdcommand(du, cylin, head, sector, count, command)
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!= 0) {
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wderror(bp, du,
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@ -988,6 +1029,12 @@ wdstart(int ctrlr)
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*/
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du->dk_timeout = 1 + 3;
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/* if this is a DMA op, start DMA and go away until it's done. */
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if ((du->dk_flags & (DKFL_DMA|DKFL_SINGLE)) == DKFL_DMA) {
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wddma.wdd_dmastart(du->dk_dmacookie);
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return;
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}
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/* If this is a read operation, just go away until it's done. */
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if (bp->b_flags & B_READ)
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return;
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@ -1103,6 +1150,15 @@ wdintr(int unit)
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#ifdef PC98
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outb(0x432,(du->dk_unit)%2);
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#endif
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/* finish off DMA. ignore errors if we're not using it. */
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if (du->dk_flags & (DKFL_DMA|DKFL_USEDMA)) {
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if ((wddma.wdd_dmadone(du->dk_dmacookie) != WDDS_INTERRUPT) &&
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!(du->dk_flags & DKFL_USEDMA)) {
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wderror(bp, du, "wdintr: DMA failure");
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du->dk_status |= WDCS_ERR; /* XXX totally bogus err */
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}
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}
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if (wdwait(du, 0, TIMEOUT) < 0) {
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wderror(bp, du, "wdintr: timeout waiting for status");
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du->dk_status |= WDCS_ERR; /* XXX */
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@ -1926,6 +1982,21 @@ wdgetctlr(struct disk *du)
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du->dk_multi = wp->wdp_nsecperint & 0xff;
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wdsetmulti(du);
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du->dk_dmacookie = NULL;
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/*
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* check drive's DMA capability
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*/
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/* does user want this? */
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if ((du->cfg_flags & WDOPT_DMA) &&
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/* have we got a DMA controller? */
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(wddma.wdd_candma &&
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(du->dk_dmacookie = wddma.wdd_candma(du->dk_port,
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du->dk_unit))) &&
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/* can said drive do DMA? */
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(wddma.wdd_dmainit(du->dk_dmacookie, wp, wdsetmode, du)))
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du->dk_flags |= DKFL_USEDMA;
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#ifdef WDDEBUG
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printf(
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"\nwd(%d,%d): wdgetctlr: gc %x cyl %d trk %d sec %d type %d sz %d model %s\n",
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@ -2311,6 +2382,9 @@ wdreset(struct disk *du)
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#ifdef PC98
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outb(0x432,(du->dk_unit)%2);
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#endif
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if ((du->dk_flags & (DKFL_DMA|DKFL_USEDMA)) && du->dk_dmacookie)
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wddma.wdd_dmadone(du->dk_dmacookie);
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wdc = du->dk_port;
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(void)wdwait(du, 0, TIMEOUT);
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#ifdef PC98
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@ -2381,7 +2455,7 @@ wdtimeout(void *cdu)
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if(timeouts++ == 5)
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wderror((struct buf *)NULL, du,
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"Last time I say: interrupt timeout. Probably a portable PC.");
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else if(timeouts++ < 5)
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else if(timeouts < 5)
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wderror((struct buf *)NULL, du, "interrupt timeout");
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wdunwedge(du);
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wdflushirq(du, x);
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