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);