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Diffstat (limited to 'drivers/scsi/ncr53c8xx.c')
-rw-r--r--drivers/scsi/ncr53c8xx.c127
1 files changed, 55 insertions, 72 deletions
diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c
index 32350707b940..22f913127f08 100644
--- a/drivers/scsi/ncr53c8xx.c
+++ b/drivers/scsi/ncr53c8xx.c
@@ -69,6 +69,10 @@
** Low PCI traffic for command handling when on-chip RAM is present.
** Aggressive SCSI SCRIPTS optimizations.
**
+** 2005 by Matthew Wilcox and James Bottomley
+** PCI-ectomy. This driver now supports only the 720 chip (see the
+** NCR_Q720 and zalon drivers for the bus probe logic).
+**
*******************************************************************************
*/
@@ -90,13 +94,6 @@
#define SCSI_NCR_DEBUG_FLAGS (0)
-/*==========================================================
-**
-** Include files
-**
-**==========================================================
-*/
-
#include <linux/blkdev.h>
#include <linux/delay.h>
#include <linux/dma-mapping.h>
@@ -121,6 +118,7 @@
#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_dbg.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsi_transport.h>
@@ -128,10 +126,8 @@
#include "ncr53c8xx.h"
-#define NAME53C "ncr53c"
#define NAME53C8XX "ncr53c8xx"
-
/*==========================================================
**
** Debugging tags
@@ -2111,7 +2107,7 @@ static struct script script0 __initdata = {
*/
/*
- ** The M_REJECT problem seems to be due to a selection
+ ** The MESSAGE_REJECT problem seems to be due to a selection
** timing problem.
** Wait immediately for the selection to complete.
** (2.5x behaves so)
@@ -2162,7 +2158,7 @@ static struct script script0 __initdata = {
/*
** Selection complete.
** Send the IDENTIFY and SIMPLE_TAG messages
- ** (and the M_X_SYNC_REQ message)
+ ** (and the EXTENDED_SDTR message)
*/
SCR_MOVE_TBL ^ SCR_MSG_OUT,
offsetof (struct dsb, smsg),
@@ -2191,7 +2187,7 @@ static struct script script0 __initdata = {
/*
** Initialize the msgout buffer with a NOOP message.
*/
- SCR_LOAD_REG (scratcha, M_NOOP),
+ SCR_LOAD_REG (scratcha, NOP),
0,
SCR_COPY (1),
RADDR (scratcha),
@@ -2343,21 +2339,21 @@ static struct script script0 __initdata = {
/*
** Handle this message.
*/
- SCR_JUMP ^ IFTRUE (DATA (M_COMPLETE)),
+ SCR_JUMP ^ IFTRUE (DATA (COMMAND_COMPLETE)),
PADDR (complete),
- SCR_JUMP ^ IFTRUE (DATA (M_DISCONNECT)),
+ SCR_JUMP ^ IFTRUE (DATA (DISCONNECT)),
PADDR (disconnect),
- SCR_JUMP ^ IFTRUE (DATA (M_SAVE_DP)),
+ SCR_JUMP ^ IFTRUE (DATA (SAVE_POINTERS)),
PADDR (save_dp),
- SCR_JUMP ^ IFTRUE (DATA (M_RESTORE_DP)),
+ SCR_JUMP ^ IFTRUE (DATA (RESTORE_POINTERS)),
PADDR (restore_dp),
- SCR_JUMP ^ IFTRUE (DATA (M_EXTENDED)),
+ SCR_JUMP ^ IFTRUE (DATA (EXTENDED_MESSAGE)),
PADDRH (msg_extended),
- SCR_JUMP ^ IFTRUE (DATA (M_NOOP)),
+ SCR_JUMP ^ IFTRUE (DATA (NOP)),
PADDR (clrack),
- SCR_JUMP ^ IFTRUE (DATA (M_REJECT)),
+ SCR_JUMP ^ IFTRUE (DATA (MESSAGE_REJECT)),
PADDRH (msg_reject),
- SCR_JUMP ^ IFTRUE (DATA (M_IGN_RESIDUE)),
+ SCR_JUMP ^ IFTRUE (DATA (IGNORE_WIDE_RESIDUE)),
PADDRH (msg_ign_residue),
/*
** Rest of the messages left as
@@ -2372,7 +2368,7 @@ static struct script script0 __initdata = {
*/
SCR_INT,
SIR_REJECT_SENT,
- SCR_LOAD_REG (scratcha, M_REJECT),
+ SCR_LOAD_REG (scratcha, MESSAGE_REJECT),
0,
}/*-------------------------< SETMSG >----------------------*/,{
SCR_COPY (1),
@@ -2564,7 +2560,7 @@ static struct script script0 __initdata = {
/*
** If it was no ABORT message ...
*/
- SCR_JUMP ^ IFTRUE (DATA (M_ABORT)),
+ SCR_JUMP ^ IFTRUE (DATA (ABORT_TASK_SET)),
PADDRH (msg_out_abort),
/*
** ... wait for the next phase
@@ -2576,7 +2572,7 @@ static struct script script0 __initdata = {
/*
** ... else clear the message ...
*/
- SCR_LOAD_REG (scratcha, M_NOOP),
+ SCR_LOAD_REG (scratcha, NOP),
0,
SCR_COPY (4),
RADDR (scratcha),
@@ -3035,7 +3031,7 @@ static struct scripth scripth0 __initdata = {
*/
SCR_MOVE_ABS (1) ^ SCR_MSG_IN,
NADDR (msgin[2]),
- SCR_JUMP ^ IFTRUE (DATA (M_X_WIDE_REQ)),
+ SCR_JUMP ^ IFTRUE (DATA (EXTENDED_WDTR)),
PADDRH (msg_wdtr),
/*
** unknown extended message
@@ -3069,7 +3065,7 @@ static struct scripth scripth0 __initdata = {
}/*-------------------------< SEND_WDTR >----------------*/,{
/*
- ** Send the M_X_WIDE_REQ
+ ** Send the EXTENDED_WDTR
*/
SCR_MOVE_ABS (4) ^ SCR_MSG_OUT,
NADDR (msgout),
@@ -3089,7 +3085,7 @@ static struct scripth scripth0 __initdata = {
*/
SCR_MOVE_ABS (1) ^ SCR_MSG_IN,
NADDR (msgin[2]),
- SCR_JUMP ^ IFTRUE (DATA (M_X_SYNC_REQ)),
+ SCR_JUMP ^ IFTRUE (DATA (EXTENDED_SDTR)),
PADDRH (msg_sdtr),
/*
** unknown extended message
@@ -3124,7 +3120,7 @@ static struct scripth scripth0 __initdata = {
}/*-------------------------< SEND_SDTR >-------------*/,{
/*
- ** Send the M_X_SYNC_REQ
+ ** Send the EXTENDED_SDTR
*/
SCR_MOVE_ABS (5) ^ SCR_MSG_OUT,
NADDR (msgout),
@@ -3202,10 +3198,10 @@ static struct scripth scripth0 __initdata = {
}/*-------------------------< RESET >----------------------*/,{
/*
- ** Send a M_RESET message if bad IDENTIFY
+ ** Send a TARGET_RESET message if bad IDENTIFY
** received on reselection.
*/
- SCR_LOAD_REG (scratcha, M_ABORT_TAG),
+ SCR_LOAD_REG (scratcha, ABORT_TASK),
0,
SCR_JUMP,
PADDRH (abort_resel),
@@ -3213,7 +3209,7 @@ static struct scripth scripth0 __initdata = {
/*
** Abort a wrong tag received on reselection.
*/
- SCR_LOAD_REG (scratcha, M_ABORT_TAG),
+ SCR_LOAD_REG (scratcha, ABORT_TASK),
0,
SCR_JUMP,
PADDRH (abort_resel),
@@ -3221,7 +3217,7 @@ static struct scripth scripth0 __initdata = {
/*
** Abort a reselection when no active CCB.
*/
- SCR_LOAD_REG (scratcha, M_ABORT),
+ SCR_LOAD_REG (scratcha, ABORT_TASK_SET),
0,
}/*-------------------------< ABORT_RESEL >----------------*/,{
SCR_COPY (1),
@@ -3333,7 +3329,7 @@ static struct scripth scripth0 __initdata = {
** Read the message, since we got it directly
** from the SCSI BUS data lines.
** Signal problem to C code for logging the event.
- ** Send a M_ABORT to clear all pending tasks.
+ ** Send an ABORT_TASK_SET to clear all pending tasks.
*/
SCR_INT,
SIR_RESEL_BAD_LUN,
@@ -3345,7 +3341,7 @@ static struct scripth scripth0 __initdata = {
/*
** We donnot have a task for that I_T_L.
** Signal problem to C code for logging the event.
- ** Send a M_ABORT message.
+ ** Send an ABORT_TASK_SET message.
*/
SCR_INT,
SIR_RESEL_BAD_I_T_L,
@@ -3355,7 +3351,7 @@ static struct scripth scripth0 __initdata = {
/*
** We donnot have a task that matches the tag.
** Signal problem to C code for logging the event.
- ** Send a M_ABORTTAG message.
+ ** Send an ABORT_TASK message.
*/
SCR_INT,
SIR_RESEL_BAD_I_T_L_Q,
@@ -3366,7 +3362,7 @@ static struct scripth scripth0 __initdata = {
** We donnot know the target that reselected us.
** Grab the first message if any (IDENTIFY).
** Signal problem to C code for logging the event.
- ** M_RESET message.
+ ** TARGET_RESET message.
*/
SCR_INT,
SIR_RESEL_BAD_TARGET,
@@ -4109,17 +4105,11 @@ static int ncr_prepare_nego(struct ncb *np, struct ccb *cp, u_char *msgptr)
switch (nego) {
case NS_SYNC:
- msgptr[msglen++] = M_EXTENDED;
- msgptr[msglen++] = 3;
- msgptr[msglen++] = M_X_SYNC_REQ;
- msgptr[msglen++] = tp->maxoffs ? tp->minsync : 0;
- msgptr[msglen++] = tp->maxoffs;
+ msglen += spi_populate_sync_msg(msgptr + msglen,
+ tp->maxoffs ? tp->minsync : 0, tp->maxoffs);
break;
case NS_WIDE:
- msgptr[msglen++] = M_EXTENDED;
- msgptr[msglen++] = 2;
- msgptr[msglen++] = M_X_WIDE_REQ;
- msgptr[msglen++] = tp->usrwide;
+ msglen += spi_populate_width_msg(msgptr + msglen, tp->usrwide);
break;
}
@@ -4220,7 +4210,7 @@ static int ncr_queue_command (struct ncb *np, struct scsi_cmnd *cmd)
**----------------------------------------------------
*/
- idmsg = M_IDENTIFY | sdev->lun;
+ idmsg = IDENTIFY(0, sdev->lun);
if (cp ->tag != NO_TAG ||
(cp != np->ccb && np->disc && !(tp->usrflag & UF_NODISC)))
@@ -4239,7 +4229,7 @@ static int ncr_queue_command (struct ncb *np, struct scsi_cmnd *cmd)
*/
if (lp && time_after(jiffies, lp->tags_stime)) {
if (lp->tags_smap) {
- order = M_ORDERED_TAG;
+ order = ORDERED_QUEUE_TAG;
if ((DEBUG_FLAGS & DEBUG_TAGS)||bootverbose>2){
PRINT_ADDR(cmd,
"ordered tag forced.\n");
@@ -4257,10 +4247,10 @@ static int ncr_queue_command (struct ncb *np, struct scsi_cmnd *cmd)
case 0x08: /* READ_SMALL (6) */
case 0x28: /* READ_BIG (10) */
case 0xa8: /* READ_HUGE (12) */
- order = M_SIMPLE_TAG;
+ order = SIMPLE_QUEUE_TAG;
break;
default:
- order = M_ORDERED_TAG;
+ order = ORDERED_QUEUE_TAG;
}
}
msgptr[msglen++] = order;
@@ -6229,9 +6219,9 @@ static int ncr_int_par (struct ncb *np)
if (!(dbc & 0xc0000000))
phase = (dbc >> 24) & 7;
if (phase == 7)
- msg = M_PARITY;
+ msg = MSG_PARITY_ERROR;
else
- msg = M_ID_ERROR;
+ msg = INITIATOR_ERROR;
/*
@@ -6795,6 +6785,8 @@ void ncr_int_sir (struct ncb *np)
/*-----------------------------------------------------------------------------
**
** Was Sie schon immer ueber transfermode negotiation wissen wollten ...
+** ("Everything you've always wanted to know about transfer mode
+** negotiation")
**
** We try to negotiate sync and wide transfer only after
** a successful inquire command. We look at byte 7 of the
@@ -6896,8 +6888,8 @@ void ncr_int_sir (struct ncb *np)
break;
}
- np->msgin [0] = M_NOOP;
- np->msgout[0] = M_NOOP;
+ np->msgin [0] = NOP;
+ np->msgout[0] = NOP;
cp->nego_status = 0;
break;
@@ -6991,12 +6983,7 @@ void ncr_int_sir (struct ncb *np)
spi_offset(starget) = ofs;
ncr_setsync(np, cp, scntl3, (fak<<5)|ofs);
- np->msgout[0] = M_EXTENDED;
- np->msgout[1] = 3;
- np->msgout[2] = M_X_SYNC_REQ;
- np->msgout[3] = per;
- np->msgout[4] = ofs;
-
+ spi_populate_sync_msg(np->msgout, per, ofs);
cp->nego_status = NS_SYNC;
if (DEBUG_FLAGS & DEBUG_NEGO) {
@@ -7007,7 +6994,7 @@ void ncr_int_sir (struct ncb *np)
OUTL_DSP (NCB_SCRIPT_PHYS (np, msg_bad));
return;
}
- np->msgin [0] = M_NOOP;
+ np->msgin [0] = NOP;
break;
@@ -7082,13 +7069,9 @@ void ncr_int_sir (struct ncb *np)
spi_width(starget) = wide;
ncr_setwide(np, cp, wide, 1);
+ spi_populate_width_msg(np->msgout, wide);
- np->msgout[0] = M_EXTENDED;
- np->msgout[1] = 2;
- np->msgout[2] = M_X_WIDE_REQ;
- np->msgout[3] = wide;
-
- np->msgin [0] = M_NOOP;
+ np->msgin [0] = NOP;
cp->nego_status = NS_WIDE;
@@ -7107,12 +7090,12 @@ void ncr_int_sir (struct ncb *np)
case SIR_REJECT_RECEIVED:
/*-----------------------------------------------
**
- ** We received a M_REJECT message.
+ ** We received a MESSAGE_REJECT.
**
**-----------------------------------------------
*/
- PRINT_ADDR(cp->cmd, "M_REJECT received (%x:%x).\n",
+ PRINT_ADDR(cp->cmd, "MESSAGE_REJECT received (%x:%x).\n",
(unsigned)scr_to_cpu(np->lastmsg), np->msgout[0]);
break;
@@ -7124,7 +7107,7 @@ void ncr_int_sir (struct ncb *np)
**-----------------------------------------------
*/
- ncr_print_msg(cp, "M_REJECT sent for", np->msgin);
+ ncr_print_msg(cp, "MESSAGE_REJECT sent for", np->msgin);
break;
/*--------------------------------------------------------------------
@@ -7143,7 +7126,7 @@ void ncr_int_sir (struct ncb *np)
**-----------------------------------------------
*/
- PRINT_ADDR(cp->cmd, "M_IGN_RESIDUE received, but not yet "
+ PRINT_ADDR(cp->cmd, "IGNORE_WIDE_RESIDUE received, but not yet "
"implemented.\n");
break;
#if 0
@@ -7156,7 +7139,7 @@ void ncr_int_sir (struct ncb *np)
**-----------------------------------------------
*/
- PRINT_ADDR(cp->cmd, "M_DISCONNECT received, but datapointer "
+ PRINT_ADDR(cp->cmd, "DISCONNECT received, but datapointer "
"not saved: data=%x save=%x goal=%x.\n",
(unsigned) INL (nc_temp),
(unsigned) scr_to_cpu(np->header.savep),
@@ -7862,7 +7845,7 @@ static int __init ncr_snooptest (struct ncb* np)
**==========================================================
**
** Note: we have to return the correct value.
-** THERE IS NO SAVE DEFAULT VALUE.
+** THERE IS NO SAFE DEFAULT VALUE.
**
** Most NCR/SYMBIOS boards are delivered with a 40 Mhz clock.
** 53C860 and 53C875 rev. 1 support fast20 transfers but
@@ -8562,7 +8545,7 @@ struct Scsi_Host * __init ncr_attach(struct scsi_host_template *tpnt,
/* use SIMPLE TAG messages by default */
#ifdef SCSI_NCR_ALWAYS_SIMPLE_TAG
- np->order = M_SIMPLE_TAG;
+ np->order = SIMPLE_QUEUE_TAG;
#endif
spin_unlock_irqrestore(&np->smp_lock, flags);
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.