fixes from lucasfilm

[unix-history] / usr / src / sys / vax / uba / rk.c

diff --git a/usr/src/sys/vax/uba/rk.c b/usr/src/sys/vax/uba/rk.c
index 8e7f221..6db2e20 100644 (file)
--- a/usr/src/sys/vax/uba/rk.c
+++ b/usr/src/sys/vax/uba/rk.c
@@ -1,4 +1,4 @@
-/*     rk.c    4.38    82/01/17        */
+/*     rk.c    4.39    82/03/29        */

 
 #include "rk.h"
 #if NHK > 0
 
 #include "rk.h"
 #if NHK > 0


@@ -212,27 +212,23 @@ rkustart(ui)
        register struct buf *bp, *dp;
        register struct uba_ctlr *um;
        register struct rkdevice *rkaddr;
        register struct buf *bp, *dp;
        register struct uba_ctlr *um;
        register struct rkdevice *rkaddr;

-       int didie = 0;

 
        if (ui == 0)
 
        if (ui == 0)

-               return (0);
+               return;

        dk_busy &= ~(1<<ui->ui_dk);
        dp = &rkutab[ui->ui_unit];
        um = ui->ui_mi;
        rkaddr = (struct rkdevice *)um->um_addr;
        if (um->um_tab.b_active) {
                rk_softc[um->um_ctlr].sc_softas |= 1<<ui->ui_slave;
        dk_busy &= ~(1<<ui->ui_dk);
        dp = &rkutab[ui->ui_unit];
        um = ui->ui_mi;
        rkaddr = (struct rkdevice *)um->um_addr;
        if (um->um_tab.b_active) {
                rk_softc[um->um_ctlr].sc_softas |= 1<<ui->ui_slave;

-               return (0);
+               return;

        }
        }

+       if ((bp = dp->b_actf) == NULL)
+               return;

        rkaddr->rkcs1 = rktypes[ui->ui_type]|RK_CERR;
        rkaddr->rkcs2 = ui->ui_slave;
        rkaddr->rkcs1 = rktypes[ui->ui_type]|RK_DCLR|RK_GO;
        rkwait(rkaddr);
        rkaddr->rkcs1 = rktypes[ui->ui_type]|RK_CERR;
        rkaddr->rkcs2 = ui->ui_slave;
        rkaddr->rkcs1 = rktypes[ui->ui_type]|RK_DCLR|RK_GO;
        rkwait(rkaddr);

-       if ((bp = dp->b_actf) == NULL) {
-               rkaddr->rkcs1 = rktypes[ui->ui_type]|RK_DCLR|RK_GO;
-               rkwait(rkaddr);
-               return (0);
-       }

        if ((rkaddr->rkds & RKDS_VV) == 0 || ui->ui_flags == 0) {
                /* SHOULD WARN SYSTEM THAT THIS HAPPENED */
 #ifndef NOBADSECT
        if ((rkaddr->rkds & RKDS_VV) == 0 || ui->ui_flags == 0) {
                /* SHOULD WARN SYSTEM THAT THIS HAPPENED */
 #ifndef NOBADSECT


@@ -267,7 +263,6 @@ rkustart(ui)
        rkaddr->rkcyl = bp->b_cylin;
        rkcyl[ui->ui_unit] = bp->b_cylin;
        rkaddr->rkcs1 = rktypes[ui->ui_type]|RK_IE|RK_SEEK|RK_GO;
        rkaddr->rkcyl = bp->b_cylin;
        rkcyl[ui->ui_unit] = bp->b_cylin;
        rkaddr->rkcs1 = rktypes[ui->ui_type]|RK_IE|RK_SEEK|RK_GO;

-       didie = 1;

        if (ui->ui_dk >= 0) {
                dk_busy |= 1<<ui->ui_dk;
                dk_seek[ui->ui_dk]++;
        if (ui->ui_dk >= 0) {
                dk_busy |= 1<<ui->ui_dk;
                dk_seek[ui->ui_dk]++;


@@ -284,7 +279,7 @@ done:
                dp->b_active = 2;
        }
 out:
                dp->b_active = 2;
        }
 out:

-       return (didie);
+       return;

 }
 
 rkstart(um)
 }
 
 rkstart(um)


@@ -299,7 +294,7 @@ rkstart(um)
 
 loop:
        if ((dp = um->um_tab.b_actf) == NULL)
 
 loop:
        if ((dp = um->um_tab.b_actf) == NULL)

-               return (0);
+               return;

        if ((bp = dp->b_actf) == NULL) {
                um->um_tab.b_actf = dp->b_forw;
                goto loop;
        if ((bp = dp->b_actf) == NULL) {
                um->um_tab.b_actf = dp->b_forw;
                goto loop;


@@ -354,7 +349,6 @@ nosval:
                cmd = rktypes[ui->ui_type]|RK_IE|RK_WRITE|RK_GO;
        um->um_cmd = cmd;
        (void) ubago(ui);
                cmd = rktypes[ui->ui_type]|RK_IE|RK_WRITE|RK_GO;
        um->um_cmd = cmd;
        (void) ubago(ui);

-       return (1);

 }
 
 rkdgo(um)
 }
 
 rkdgo(um)


@@ -362,6 +356,7 @@ rkdgo(um)
 {
        register struct rkdevice *rkaddr = (struct rkdevice *)um->um_addr;
 
 {
        register struct rkdevice *rkaddr = (struct rkdevice *)um->um_addr;
 

+       um->um_tab.b_active++;  /* should now be 2 */

        rkaddr->rkba = um->um_ubinfo;
        rkaddr->rkcs1 = um->um_cmd|((um->um_ubinfo>>8)&0x300);
 }
        rkaddr->rkba = um->um_ubinfo;
        rkaddr->rkcs1 = um->um_cmd|((um->um_ubinfo>>8)&0x300);
 }


@@ -380,7 +375,7 @@ rkintr(rk11)
 
        sc->sc_wticks = 0;
        sc->sc_softas = 0;
 
        sc->sc_wticks = 0;
        sc->sc_softas = 0;

-       if (um->um_tab.b_active) {
+       if (um->um_tab.b_active == 2 || sc->sc_recal) {

                dp = um->um_tab.b_actf;
                bp = dp->b_actf;
                ui = rkdinfo[dkunit(bp)];
                dp = um->um_tab.b_actf;
                bp = dp->b_actf;
                ui = rkdinfo[dkunit(bp)];


@@ -482,8 +477,7 @@ retry:
                        bp->b_resid = -rkaddr->rkwc * sizeof(short);
                        iodone(bp);
                        if (dp->b_actf)
                        bp->b_resid = -rkaddr->rkwc * sizeof(short);
                        iodone(bp);
                        if (dp->b_actf)

-                               if (rkustart(ui))
-                                       needie = 0;
+                               rkustart(ui);

                }
                as &= ~(1<<ui->ui_slave);
        }
                }
                as &= ~(1<<ui->ui_slave);
        }


@@ -491,8 +485,7 @@ retry:
                if (as & 1) {
                        ui = rkip[rk11][unit];
                        if (ui) {
                if (as & 1) {
                        ui = rkip[rk11][unit];
                        if (ui) {

-                               if (rkustart(rkip[rk11][unit]))
-                                       needie = 0;
+                               rkustart(rkip[rk11][unit]);

                        } else {
                                rkaddr->rkcs1 = RK_CCLR;
                                rkaddr->rkcs2 = unit;
                        } else {
                                rkaddr->rkcs1 = RK_CCLR;
                                rkaddr->rkcs2 = unit;


@@ -502,9 +495,8 @@ retry:
                        }
                }
        if (um->um_tab.b_actf && um->um_tab.b_active == 0)
                        }
                }
        if (um->um_tab.b_actf && um->um_tab.b_active == 0)

-               if (rkstart(um))
-                       needie = 0;
-       if (needie)
+               rkstart(um);
+       if (((needie = rkaddr->rkcs1) & RK_IE) == 0)

                rkaddr->rkcs1 = RK_IE;
 }
 
                rkaddr->rkcs1 = RK_IE;
 }
 


@@ -567,7 +559,7 @@ rkecc(ui, flag)
        cn += tn/st->ntrak;
        tn %= st->ntrak;
        ubapurge(um);
        cn += tn/st->ntrak;
        tn %= st->ntrak;
        ubapurge(um);

-       um->um_tab.b_active++;  /* Either complete or continuing... */
+       um->um_tab.b_active = 2;        /* Either complete or continuing... */

        switch (flag) {
        case ECC:
                {
        switch (flag) {
        case ECC:
                {


@@ -663,6 +655,7 @@ rkreset(uban)
                um->um_tab.b_active = 0;
                um->um_tab.b_actf = um->um_tab.b_actl = 0;
                rk_softc[um->um_ctlr].sc_recal = 0;
                um->um_tab.b_active = 0;
                um->um_tab.b_actf = um->um_tab.b_actl = 0;
                rk_softc[um->um_ctlr].sc_recal = 0;

+               rk_softc[um->um_ctlr].sc_wticks = 0;

                if (um->um_ubinfo) {
                        printf("<%d>", (um->um_ubinfo>>28)&0xf);
                        ubadone(um);
                if (um->um_ubinfo) {
                        printf("<%d>", (um->um_ubinfo>>28)&0xf);
                        ubadone(um);