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-rw-r--r--sys/dev/pci/ncr.c118
1 files changed, 94 insertions, 24 deletions
diff --git a/sys/dev/pci/ncr.c b/sys/dev/pci/ncr.c
index 6f9e63156f2..a460b12b8e8 100644
--- a/sys/dev/pci/ncr.c
+++ b/sys/dev/pci/ncr.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ncr.c,v 1.35 1998/01/07 11:03:31 deraadt Exp $ */
+/* $OpenBSD: ncr.c,v 1.36 1998/03/17 15:59:46 pefo Exp $ */
/* $NetBSD: ncr.c,v 1.63 1997/09/23 02:39:15 perry Exp $ */
/**************************************************************************
@@ -237,7 +237,7 @@
#include <dev/pci/ncrreg.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcivar.h>
-#ifndef __alpha__
+#if !defined(__alpha__) && !defined(__mips__)
#define DELAY(x) delay(x)
#endif
#include <scsi/scsi_all.h>
@@ -261,6 +261,10 @@
#endif
#endif
+#if !defined(NCR_KVATOPHYS)
+#define NCR_KVATOPHYS(sc, va) vtophys(va)
+#endif
+
#if defined(__OpenBSD__) && defined(__alpha__)
/* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */
#undef vtophys
@@ -1010,6 +1014,9 @@ struct ccb {
u_char scsi_smsg [8];
u_char scsi_smsg2[8];
+#if defined(__mips__)
+ u_char local_sense[sizeof(struct scsi_sense_data)];
+#endif
/*
** Lock this ccb.
@@ -1420,7 +1427,7 @@ static void ncb_profile (ncb_p np, ccb_p cp);
static void ncr_script_copy_and_bind
(ncb_p np, ncrcmd *src, ncrcmd *dst, int len);
static void ncr_script_fill (struct script * scr, struct scripth *scrh);
-static int ncr_scatter (struct dsb* phys, vm_offset_t vaddr,
+static int ncr_scatter (ncb_p np, struct dsb* phys, vm_offset_t vaddr,
vm_size_t datalen);
static void ncr_setmaxtags (tcb_p tp, u_long usrtags);
static void ncr_getsync (ncb_p np, u_char sfac, u_char *fakp,
@@ -1461,7 +1468,7 @@ static void ncr_attach (pcici_t tag, int unit);
#if 0
static char ident[] =
- "\n$OpenBSD: ncr.c,v 1.35 1998/01/07 11:03:31 deraadt Exp $\n";
+ "\n$OpenBSD: ncr.c,v 1.36 1998/03/17 15:59:46 pefo Exp $\n";
#endif
static const u_long ncr_version = NCR_VERSION * 11
@@ -3360,7 +3367,7 @@ static void ncr_script_copy_and_bind (ncb_p np, ncrcmd *src, ncrcmd *dst, int le
new = (old & ~RELOC_MASK) + np->p_scripth;
break;
case RELOC_SOFTC:
- new = (old & ~RELOC_MASK) + vtophys(np);
+ new = (old & ~RELOC_MASK) + NCR_KVATOPHYS(np, np);
break;
case RELOC_KVAR:
if (((old & ~RELOC_MASK) <
@@ -3368,7 +3375,7 @@ static void ncr_script_copy_and_bind (ncb_p np, ncrcmd *src, ncrcmd *dst, int le
((old & ~RELOC_MASK) >
SCRIPT_KVAR_LAST))
panic("ncr KVAR out of range");
- new = vtophys((void *)script_kvars[old &
+ new = NCR_KVATOPHYS(np, (void *)script_kvars[old &
~RELOC_MASK]);
break;
case 0:
@@ -3654,10 +3661,19 @@ ncr_attach(parent, self, aux)
int i;
u_char rev = pci_conf_read(pc, pa->pa_tag, PCI_CLASS_REG) & 0xff;
+#if defined(__mips__)
+ pci_sync_cache(pc, (vm_offset_t)np, sizeof (struct ncb));
+ np = (struct ncb *)PHYS_TO_UNCACHED(NCR_KVATOPHYS(np, np));
+#endif /*__mips__*/
+
np->sc_st = memt;
np->sc_pc = pc;
np->ccb = (ccb_p) malloc (sizeof (struct ccb), M_DEVBUF, M_WAITOK);
if (!np->ccb) return;
+#if defined(__mips__)
+ pci_sync_cache(pc, (vm_offset_t)np->ccb, sizeof (struct ccb));
+ np->ccb = (struct ccb *)PHYS_TO_UNCACHED(NCR_KVATOPHYS(np, np->ccb));
+#endif /* __mips__ */
bzero (np->ccb, sizeof (*np->ccb));
/*
@@ -3734,6 +3750,10 @@ static void ncr_attach (pcici_t config_id, int unit)
np->ccb = (ccb_p) malloc (sizeof (struct ccb), M_DEVBUF, M_WAITOK);
if (!np->ccb) return;
+#if defined(__mips__)
+ pci_sync_cache(pc, (vm_offset_t)np->ccb, sizeof (struct ccb));
+ np->ccb = (struct ccb *)PHYS_TO_UNCACHED(NCR_KVATOPHYS(np, np->ccb));
+#endif /* __mips__ */
bzero (np->ccb, sizeof (*np->ccb));
np->unit = unit;
@@ -3815,7 +3835,12 @@ static void ncr_attach (pcici_t config_id, int unit)
}
np->maxwide = np->features & FE_WIDE ? 1 : 0;
+#if defined(__mips__) /* XXX FIXME - This is gross XXX */
+ np->clock_khz = 66000;
+ np->clock_khz = 48000;
+#else
np->clock_khz = np->features & FE_CLK80 ? 80000 : 40000;
+#endif /*__mips__*/
if (np->features & FE_QUAD) np->multiplier = 4;
else if (np->features & FE_DBLR) np->multiplier = 2;
else np->multiplier = 1;
@@ -3967,6 +3992,10 @@ static void ncr_attach (pcici_t config_id, int unit)
} else {
np->script = (struct script *)
malloc (sizeof (struct script), M_DEVBUF, M_WAITOK);
+#if defined(__mips__)
+ pci_sync_cache(pc, (vm_offset_t)np->script, sizeof (struct script));
+ np->script = (struct script *)PHYS_TO_UNCACHED(NCR_KVATOPHYS(np, np->script));
+#endif /*__mips__*/
}
#ifdef __FreeBSD__
@@ -3979,6 +4008,10 @@ static void ncr_attach (pcici_t config_id, int unit)
{
np->scripth = (struct scripth *)
malloc (sizeof (struct scripth), M_DEVBUF, M_WAITOK);
+#if defined(__mips__)
+ pci_sync_cache(pc, (vm_offset_t)np->scripth, sizeof (struct scripth));
+ np->scripth = (struct scripth *)PHYS_TO_UNCACHED(NCR_KVATOPHYS(np, np->scripth));
+#endif /*__mips__*/
}
#ifdef SCSI_NCR_PCI_CONFIG_FIXUP
@@ -4034,8 +4067,8 @@ static void ncr_attach (pcici_t config_id, int unit)
ncr_script_fill (&script0, &scripth0);
if (np->script)
- np->p_script = vtophys(np->script);
- np->p_scripth = vtophys(np->scripth);
+ np->p_script = NCR_KVATOPHYS(np, np->script);
+ np->p_scripth = NCR_KVATOPHYS(np, np->scripth);
ncr_script_copy_and_bind (np, (ncrcmd *) &script0,
(ncrcmd *) np->script, sizeof(struct script));
@@ -4043,7 +4076,7 @@ static void ncr_attach (pcici_t config_id, int unit)
ncr_script_copy_and_bind (np, (ncrcmd *) &scripth0,
(ncrcmd *) np->scripth, sizeof(struct scripth));
- np->ccb->p_ccb = vtophys (np->ccb);
+ np->ccb->p_ccb = NCR_KVATOPHYS (np, np->ccb);
/*
** Patch the script for LED support.
@@ -4375,6 +4408,14 @@ static int32_t ncr_start (struct scsi_xfer * xp)
**----------------------------------------------------
*/
+#if defined(__mips__)
+ if (xp->data && xp->datalen) {
+ pci_sync_cache(np->sc_pc, (vm_offset_t)xp->data, xp->datalen);
+ }
+ pci_sync_cache(np->sc_pc, (vm_offset_t)xp->cmd, xp->cmdlen);
+ pci_sync_cache(np->sc_pc, (vm_offset_t)&xp->sense, sizeof(struct scsi_sense_data));
+#endif /* __mips__ */
+
oldspl = splbio();
if (!(cp=ncr_get_ccb (np, flags, xp->sc_link->target,
@@ -4593,7 +4634,7 @@ static int32_t ncr_start (struct scsi_xfer * xp)
**----------------------------------------------------
*/
- segments = ncr_scatter (&cp->phys, (vm_offset_t) xp->data,
+ segments = ncr_scatter (np, &cp->phys, (vm_offset_t) xp->data,
(vm_size_t) xp->datalen);
if (segments < 0) {
@@ -4660,7 +4701,7 @@ static int32_t ncr_start (struct scsi_xfer * xp)
/*
** command
*/
- cp->phys.cmd.addr = SCR_BO(vtophys (cmd));
+ cp->phys.cmd.addr = SCR_BO(NCR_KVATOPHYS (np, cmd));
cp->phys.cmd.size = SCR_BO(xp->cmdlen);
/*
** sense command
@@ -4678,7 +4719,11 @@ static int32_t ncr_start (struct scsi_xfer * xp)
/*
** sense data
*/
- cp->phys.sense.addr = SCR_BO(vtophys (&cp->xfer->sense));
+#if defined(__mips__)
+ cp->phys.sense.addr = SCR_BO(NCR_KVATOPHYS (np, &cp->local_sense));
+#else
+ cp->phys.sense.addr = SCR_BO(NCR_KVATOPHYS (np, &cp->xfer->sense));
+#endif
cp->phys.sense.size = SCR_BO(sizeof(struct scsi_sense_data));
/*
** status
@@ -4858,6 +4903,18 @@ void ncr_complete (ncb_p np, ccb_p cp)
tp = &np->target[xp->sc_link->target];
lp = tp->lp[xp->sc_link->lun];
+#if defined(__mips__)
+ /*
+ ** Move sense data back to request struct.
+ */
+ {
+ int i;
+ u_char *p = (u_char *)&xp->sense;
+ for(i = 0; i < sizeof(struct scsi_sense_data); i++) {
+ *p++ = cp->local_sense[i];
+ }
+ }
+#endif
/*
** We donnot queue more than 1 ccb per target
** with negotiation at any time. If this ccb was
@@ -6315,11 +6372,11 @@ static void ncr_int_ma (ncb_p np, u_char dstat)
** and the address at which to continue.
*/
- if (dsp == vtophys (&cp->patch[2])) {
+ if (dsp == NCR_KVATOPHYS (np, &cp->patch[2])) {
vdsp_base = cp;
vdsp_off = offsetof(struct ccb, patch[0]);
nxtdsp = READSCRIPT_OFF(vdsp_base, vdsp_off + 3*4);
- } else if (dsp == vtophys (&cp->patch[6])) {
+ } else if (dsp == NCR_KVATOPHYS (np, &cp->patch[6])) {
vdsp_base = cp;
vdsp_off = offsetof(struct ccb, patch[4]);
nxtdsp = READSCRIPT_OFF(vdsp_base, vdsp_off + 3*4);
@@ -6399,7 +6456,7 @@ static void ncr_int_ma (ncb_p np, u_char dstat)
*/
newcmd = cp->patch;
- if (cp->phys.header.savep == SCR_BO(vtophys (newcmd))) newcmd+=4;
+ if (cp->phys.header.savep == SCR_BO(NCR_KVATOPHYS (np, newcmd))) newcmd+=4;
/*
** fillin the commands
@@ -6424,7 +6481,7 @@ static void ncr_int_ma (ncb_p np, u_char dstat)
** and restart script processor at dispatcher.
*/
np->profile.num_break++;
- OUTL (nc_temp, vtophys (newcmd));
+ OUTL (nc_temp, NCR_KVATOPHYS (np, newcmd));
if ((cmd & 7) == 0)
OUTL (nc_dsp, NCB_SCRIPT_PHYS (np, dispatch));
else
@@ -7158,10 +7215,10 @@ static void ncr_alloc_ccb (ncb_p np, u_long target, u_long lun)
tp->getscr[0] =
(np->features & FE_PFEN)? SCR_BO(SCR_COPY(1)) : SCR_BO(SCR_COPY_F(1));
- tp->getscr[1] = SCR_BO(vtophys (&tp->sval));
+ tp->getscr[1] = SCR_BO(NCR_KVATOPHYS (np, &tp->sval));
tp->getscr[2] = SCR_BO(np->paddr + offsetof (struct ncr_reg, nc_sxfer));
tp->getscr[3] = tp->getscr[0];
- tp->getscr[4] = SCR_BO(vtophys (&tp->wval));
+ tp->getscr[4] = SCR_BO(NCR_KVATOPHYS (np, &tp->wval));
tp->getscr[5] = SCR_BO(np->paddr + offsetof (struct ncr_reg, nc_scntl3));
assert (( (offsetof(struct ncr_reg, nc_sxfer) ^
@@ -7174,7 +7231,7 @@ static void ncr_alloc_ccb (ncb_p np, u_long target, u_long lun)
tp->jump_lcb.l_cmd = SCR_BO((SCR_JUMP));
tp->jump_lcb.l_paddr = SCR_BO(NCB_SCRIPTH_PHYS (np, abort));
- np->jump_tcb.l_paddr = SCR_BO(vtophys (&tp->jump_tcb));
+ np->jump_tcb.l_paddr = SCR_BO(NCR_KVATOPHYS (np, &tp->jump_tcb));
tp->usrtags = SCSI_NCR_DFLT_TAGS;
ncr_setmaxtags (tp, tp->usrtags);
@@ -7191,6 +7248,11 @@ static void ncr_alloc_ccb (ncb_p np, u_long target, u_long lun)
lp = (lcb_p) malloc (sizeof (struct lcb), M_DEVBUF, M_NOWAIT);
if (!lp) return;
+#if defined(__mips__)
+ pci_sync_cache(np->sc_pc, (vm_offset_t)lp, sizeof (struct lcb));
+ lp = (struct lcb *)PHYS_TO_UNCACHED(NCR_KVATOPHYS(np, lp));
+#endif /* __mips__ */
+
/*
** Initialize it
*/
@@ -7209,7 +7271,7 @@ static void ncr_alloc_ccb (ncb_p np, u_long target, u_long lun)
/*
** Chain into LUN list
*/
- tp->jump_lcb.l_paddr = SCR_BO(vtophys (&lp->jump_lcb));
+ tp->jump_lcb.l_paddr = SCR_BO(NCR_KVATOPHYS (np, &lp->jump_lcb));
tp->lp[lun] = lp;
}
@@ -7233,6 +7295,11 @@ static void ncr_alloc_ccb (ncb_p np, u_long target, u_long lun)
if (!cp)
return;
+#if defined(__mips__)
+ pci_sync_cache(np->sc_pc, (vm_offset_t)cp, sizeof (struct ccb));
+ cp = (struct ccb *)PHYS_TO_UNCACHED(NCR_KVATOPHYS(np, cp));
+#endif /* __mips__ */
+
if (DEBUG_FLAGS & DEBUG_ALLOC) {
printf ("new ccb @%p.\n", cp);
}
@@ -7252,7 +7319,7 @@ static void ncr_alloc_ccb (ncb_p np, u_long target, u_long lun)
** Fill in physical addresses
*/
- cp->p_ccb = vtophys (cp);
+ cp->p_ccb = NCR_KVATOPHYS (np, cp);
/*
** Chain into reselect list
@@ -7350,7 +7417,7 @@ static void ncr_opennings (ncb_p np, lcb_p lp, struct scsi_xfer * xp)
*/
static int ncr_scatter
- (struct dsb* phys, vm_offset_t vaddr, vm_size_t datalen)
+ (ncb_p np, struct dsb* phys, vm_offset_t vaddr, vm_size_t datalen)
{
u_long paddr, pnext;
@@ -7363,7 +7430,7 @@ static int ncr_scatter
bzero (&phys->data, sizeof (phys->data));
if (!datalen) return (0);
- paddr = vtophys (vaddr);
+ paddr = NCR_KVATOPHYS (np, vaddr);
/*
** insert extra break points at a distance of chunk.
@@ -7421,7 +7488,7 @@ static int ncr_scatter
vaddr += size;
csize -= size;
datalen -= size;
- paddr = vtophys (vaddr);
+ paddr = NCR_KVATOPHYS (np, vaddr);
};
if(DEBUG_FLAGS & DEBUG_SCATTER)
@@ -7504,6 +7571,9 @@ static int ncr_snooptest (struct ncb* np)
** Set memory and register.
*/
ncr_cache = host_wr;
+#if defined(__mips__)
+ pci_sync_cache(np->sc_pc, (vm_offset_t)&ncr_cache, sizeof (ncr_cache));
+#endif /* __mips__ */
OUTL (nc_temp, SCR_BO(ncr_wr));
/*
** Start script (exchange values)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-15 00:18:48 +0000