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Cleanup for compatibility with another OS.
Submitted by: wolf
This commit is contained in:
Stefan Eßer
parent
b5909509ee
commit
fe5278a5cc
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=6632
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@ -1,6 +1,6 @@
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/**************************************************************************
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**
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** $Id: ncr.c,v 1.24 1995/02/15 20:06:38 se Exp $
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** $Id: ncr.c,v 1.25 1995/02/17 16:45:08 se Exp $
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**
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** Device driver for the NCR 53C810 PCI-SCSI-Controller.
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**
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@ -44,7 +44,7 @@
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***************************************************************************
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*/
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#define NCR_PATCHLEVEL "pl15 95/02/15"
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#define NCR_PATCHLEVEL "pl17 95/02/22"
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#define NCR_VERSION (2)
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#define MAX_UNITS (16)
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@ -178,14 +178,17 @@
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#include <pci/ncrreg.h>
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#else
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#include <sys/device.h>
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#include <i386/pci/ncrreg.h>
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#include <i386/pci/ncr_reg.h>
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#include <i386/pci/pcivar.h>
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#include <i386/pci/pcireg.h>
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#define DELAY(x) delay(x)
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#endif /* __NetBSD */
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#include <scsi/scsi_all.h>
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#include <scsi/scsiconf.h>
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#ifndef __NetBSD__
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#include <machine/clock.h>
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#endif /* __NetBSD */
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/*==========================================================
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@ -296,7 +299,7 @@
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/*==========================================================
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**
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** Software Interrupt Codes
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** Software Interupt Codes
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**
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**==========================================================
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*/
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@ -557,7 +560,7 @@ struct tcb {
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struct link jump_lcb;
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/*
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** pointer to interrupted getcc ccb
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** pointer to interupted getcc ccb
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*/
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ccb_p hold_cp;
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@ -1251,7 +1254,7 @@ static void ncr_attach (pcici_t tag, int unit);
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static char ident[] =
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"\n$Id: ncr.c,v 1.24 1995/02/15 20:06:38 se Exp $\n";
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"\n$Id: ncr.c,v 1.25 1995/02/17 16:45:08 se Exp $\n";
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u_long ncr_version = NCR_VERSION
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+ (u_long) sizeof (struct ncb)
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@ -1403,9 +1406,9 @@ static struct script script0 = {
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0,
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}/*-------------------------< START0 >----------------------*/,{
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/*
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** Hook for interrupted GetConditionCode.
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** Hook for interupted GetConditionCode.
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** Will be patched to ... IFTRUE by
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** the interrupt handler.
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** the interupt handler.
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*/
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SCR_INT ^ IFFALSE (0),
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SIR_SENSE_RESTART,
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@ -1413,7 +1416,7 @@ static struct script script0 = {
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}/*-------------------------< START1 >----------------------*/,{
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/*
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** Hook for stalled start queue.
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** Will be patched to IFTRUE by the interrupt handler.
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** Will be patched to IFTRUE by the interupt handler.
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*/
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SCR_INT ^ IFFALSE (0),
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SIR_STALL_RESTART,
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@ -1562,10 +1565,10 @@ static struct script script0 = {
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** Then it will execute the next statement.
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**
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** (4) There is a selection timeout.
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** Then the ncr should interrupt the host and stop.
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** Then the ncr should interupt the host and stop.
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** Unfortunately, it seems to continue execution
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** of the script. But it will fail with an
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** IID-interrupt on the next WHEN.
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** IID-interupt on the next WHEN.
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*/
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SCR_JUMPR ^ IFTRUE (WHEN (SCR_MSG_IN)),
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@ -2003,7 +2006,7 @@ static struct script script0 = {
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SCR_JUMP ^ IFTRUE (DATA (0)),
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PADDR (clrack),
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/*
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** Size is not 1 .. have to interrupt.
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** Size is not 1 .. have to interupt.
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*/
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/*<<<*/ SCR_JUMPR ^ IFFALSE (DATA (1)),
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40,
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@ -2660,7 +2663,7 @@ static struct script script0 = {
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}/*-------------------------< RESELECT2 >-------------------*/,{
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/*
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** If it's not connected :(
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** -> interrupted by SIGP bit.
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** -> interupted by SIGP bit.
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** Jump to start.
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*/
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SCR_FROM_REG (ctest2),
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@ -3243,19 +3246,20 @@ ncr_attach(parent, self, aux)
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static void ncr_attach (pcici_t config_id, int unit)
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{
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ncb_p np;
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ncb_p np = (struct ncb*) 0;
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#if ! (__FreeBSD__ >= 2)
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extern unsigned bio_imask;
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#endif
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/*
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** allocate structure
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*/
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np = (ncb_p) malloc (sizeof (struct ncb), M_DEVBUF, M_WAITOK);
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if (!np) return;
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ncrp[unit]=np;
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if (!np) {
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np = (ncb_p) malloc (sizeof (struct ncb), M_DEVBUF, M_WAITOK);
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if (!np) return;
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ncrp[unit]=np;
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}
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/*
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** initialize structure.
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@ -3397,17 +3401,17 @@ static void ncr_attach (pcici_t config_id, int unit)
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#ifndef __NetBSD__
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/*
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** Install the interrupt handler.
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** Install the interupt handler.
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*/
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if (!pci_map_int (config_id, ncr_intr, np, &bio_imask))
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printf ("\tinterruptless mode: reduced performance.\n");
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printf ("\tinteruptless mode: reduced performance.\n");
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#endif
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/*
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** After SCSI devices have been opened, we cannot
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** reset the bus safely, so we do it here.
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** Interrupt handler does the real work.
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** Interupt handler does the real work.
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*/
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OUTB (nc_scntl1, CRST);
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@ -3415,7 +3419,7 @@ static void ncr_attach (pcici_t config_id, int unit)
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/*
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** process the reset exception,
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** if interrupts are not enabled yet.
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** if interupts are not enabled yet.
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** than enable disconnects.
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*/
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ncr_exception (np);
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@ -3473,7 +3477,7 @@ static void ncr_attach (pcici_t config_id, int unit)
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/*==========================================================
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**
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**
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** Process pending device interrupts.
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** Process pending device interupts.
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**
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**
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**==========================================================
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@ -3543,7 +3547,7 @@ static INT32 ncr_start (struct scsi_xfer * xp)
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**
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** Reset SCSI bus
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**
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** Interrupt handler does the real work.
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** Interupt handler does the real work.
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**
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**---------------------------------------------
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*/
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@ -3990,7 +3994,7 @@ static INT32 ncr_start (struct scsi_xfer * xp)
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splx (oldspl);
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/*
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** If interrupts are enabled, return now.
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** If interupts are enabled, return now.
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** Command is successfully queued.
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*/
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@ -4003,7 +4007,7 @@ static INT32 ncr_start (struct scsi_xfer * xp)
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/*----------------------------------------------------
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**
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** Interrupts not yet enabled - have to poll.
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** Interupts not yet enabled - have to poll.
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**
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**----------------------------------------------------
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*/
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@ -4782,7 +4786,7 @@ static void ncr_usercmd (ncb_p np)
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**==========================================================
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**
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** Misused to keep the driver running when
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** interrupts are not configured correctly.
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** interupts are not configured correctly.
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**
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**----------------------------------------------------------
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*/
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@ -4836,7 +4840,7 @@ static void ncr_timeout (ncb_p np)
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**
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** May be a target is hanging,
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** or another initator lets a tape device
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** rewind with disconnect disabled :-(
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** rewind with disabled disconnect :-(
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**
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** We won't accept that.
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*/
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@ -4907,7 +4911,7 @@ static void ncr_timeout (ncb_p np)
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if (INB(nc_istat) & (INTF|SIP|DIP)) {
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/*
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** Process pending interrupts.
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** Process pending interupts.
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*/
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int oldspl = splbio ();
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@ -4935,7 +4939,7 @@ void ncr_exception (ncb_p np)
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int i;
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/*
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** interrupt on the fly ?
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** interupt on the fly ?
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*/
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while ((istat = INB (nc_istat)) & INTF) {
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if (DEBUG_FLAGS & DEBUG_TINY) printf ("F");
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@ -5024,7 +5028,7 @@ void ncr_exception (ncb_p np)
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};
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/*-------------------------------------------
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** Programmed interrupt
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** Programmed interupt
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**-------------------------------------------
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*/
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@ -5167,7 +5171,7 @@ void ncr_exception (ncb_p np)
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/*
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** @RECOVER@ HTH, SGE, ABRT.
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**
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** We should try to recover from these interrupts.
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** We should try to recover from these interupts.
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** They may occur if there are problems with synch transfers,
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** or if targets are powerswitched while the driver is running.
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*/
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@ -5225,9 +5229,9 @@ void ncr_exception (ncb_p np)
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**==========================================================
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**
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** There seems to be a bug in the 53c810.
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** Although a STO-interrupt is pending,
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** Although a STO-Interupt is pending,
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** it continues executing script commands.
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** But it will fail and interrupt (IID) on
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** But it will fail and interupt (IID) on
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** the next instruction where it's looking
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** for a valid phase.
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**
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@ -5340,7 +5344,7 @@ static void ncr_int_ma (ncb_p np)
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return;
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/*
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** find the interrupted script command,
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** find the interupted script command,
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** and the address at where to continue.
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*/
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@ -5446,7 +5450,7 @@ static void ncr_int_ma (ncb_p np)
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/*==========================================================
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**
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**
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** ncr chip exception handler for programmed interrupts.
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** ncr chip exception handler for programmed interupts.
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**
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**
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**==========================================================
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@ -5504,7 +5508,7 @@ void ncr_int_sir (ncb_p np)
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/*--------------------------------------------------------------------
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**
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** Processing of interrupted getcc selects
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** Processing of interupted getcc selects
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**
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**--------------------------------------------------------------------
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*/
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@ -5512,7 +5516,7 @@ void ncr_int_sir (ncb_p np)
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case SIR_SENSE_RESTART:
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/*------------------------------------------
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** Script processor is idle.
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** Look for interrupted "check cond"
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** Look for interupted "check cond"
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**------------------------------------------
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*/
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@ -5550,7 +5554,7 @@ void ncr_int_sir (ncb_p np)
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case SIR_SENSE_FAILED:
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/*-------------------------------------------
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** While trying to reselect for
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** While trying to select for
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** getting the condition code,
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** a target reselected us.
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**-------------------------------------------
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@ -5587,7 +5591,7 @@ void ncr_int_sir (ncb_p np)
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** situation.
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**
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** If the target doesn't answer this message immidiately
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** (as required by the standard), the SIR_NEGO_FAIL interrupt
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** (as required by the standard), the SIR_NEGO_FAIL interupt
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** will be raised eventually.
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** The handler removes the HS_NEGOTIATE status, and sets the
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** negotiated value to the default (async / nowide).
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@ -6021,7 +6025,7 @@ void ncr_int_sir (ncb_p np)
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};
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/*
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** else remove the interrupt.
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** else remove the interupt.
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*/
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printf ("%s: queue empty.\n", ncr_name (np));
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@ -6344,7 +6348,7 @@ static int ncr_scatter
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/*
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** insert extra break points at a distance of chunk.
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** We try to reduce the number of interrupts due to
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** We try to reduce the number of interupts due to
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** unexpected phase changes due to disconnects.
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** A typical harddisk may disconnect before ANY block.
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** If we want to avoid unexpected phase changes at all
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@ -6427,7 +6431,7 @@ static int ncr_scatter
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**
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** Test the pci bus snoop logic :-(
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**
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** Has to be called with interrupts disabled.
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** Has to be called with disabled interupts.
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**
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**
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**==========================================================
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