Introduce NCB_SCRIPT_PHYS and CCB_PHYS macros to find physical addresses
of NCR script labels and of command control block structure components. This allows for easy modification of the actual virtual to physical mapping operator used ... Make all applicable references to physical address values use the above macros instead of calls to vtophys().
This commit is contained in:
Stefan Eßer
parent
5e3e8d2b88
commit
f7fe07b585
157
sys/pci/ncr.c
157
sys/pci/ncr.c
@ -1,6 +1,6 @@
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/**************************************************************************
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**
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** $Id: ncr.c,v 1.46 1995/09/08 19:30:11 se Exp $
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** $Id: ncr.c,v 1.47 1995/09/11 12:10:19 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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@ -876,16 +876,6 @@ struct ccb {
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u_char scsi_smsg [8];
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u_char scsi_smsg2[8];
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/*
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** A few physical addresses that are often
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** referenced ...
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*/
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u_long p_scsi_smsg;
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u_long p_scsi_smsg2;
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u_long p_sensecmd;
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u_long p_phys;
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/*
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** Lock this ccb.
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** Flag is used while looking for a free ccb.
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@ -893,6 +883,12 @@ struct ccb {
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u_long magic;
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/*
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** Physical address of this instance of ccb
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*/
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u_long p_ccb;
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/*
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** Completion time out for this job.
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** It's set to time of start + allowed number of seconds.
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@ -928,6 +924,8 @@ struct ccb {
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u_char tag;
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};
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#define CCB_PHYS(cp,lbl) (cp->p_ccb + offsetof(struct ccb, lbl))
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/*==========================================================
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**
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** Declaration of structs: NCR device descriptor
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@ -977,6 +975,10 @@ struct ncb {
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** A copy of the script, relocated for this ncb.
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*/
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struct script *script;
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/*
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** Physical address of this instance of ncb->script
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*/
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u_long p_script;
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/*
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@ -1058,18 +1060,6 @@ struct ncb {
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*/
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struct ccb ccb;
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/*
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** A few physical addresses that are often
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** referenced ...
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*/
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u_long p_data_in;
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u_long p_data_out;
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u_long p_no_data;
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u_long p_select;
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u_long p_idle;
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u_long p_resel_tmp;
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/*
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** message buffers.
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** Should be longword aligned,
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@ -1103,6 +1093,8 @@ struct ncb {
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#endif
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};
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#define NCB_SCRIPT_PHYS(np,lbl) (np->p_script + offsetof (struct script, lbl))
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/*==========================================================
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**
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**
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@ -1259,7 +1251,7 @@ 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 1.46 1995/09/08 19:30:11 se Exp $\n";
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"\n$Id: ncr.c,v 1.47 1995/09/11 12:10:19 se Exp $\n";
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u_long ncr_version = NCR_VERSION * 11
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+ (u_long) sizeof (struct ncb) * 7
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@ -3076,7 +3068,7 @@ static void ncr_script_copy_and_bind (struct script *script, ncb_p np)
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new = (old & ~RELOC_MASK) + np->paddr;
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break;
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case RELOC_LABEL:
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new = (old & ~RELOC_MASK) + vtophys(np->script);
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new = (old & ~RELOC_MASK) + np->p_script;
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break;
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case RELOC_SOFTC:
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new = (old & ~RELOC_MASK) + vtophys(np);
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@ -3314,25 +3306,14 @@ static void ncr_attach (pcici_t config_id, int unit)
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ncr_script_fill (&script0);
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ncr_script_copy_and_bind (&script0, np);
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np->ccb.p_ccb = vtophys (&np->ccb);
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/*
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** init data structure
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*/
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np -> jump_tcb.l_cmd = SCR_JUMP;
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np -> jump_tcb.l_paddr = vtophys (&np->script->abort);
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np -> p_data_in = vtophys (&np->script->data_in);
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np -> p_data_out = vtophys (&np->script->data_out);
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np -> p_no_data = vtophys (&np->script->no_data);
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np -> p_select = vtophys (&np->script->select);
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np -> p_idle = vtophys (&np->script->idle);
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np -> p_resel_tmp = vtophys (&np->script->resel_tmp);
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np->ccb.p_scsi_smsg = vtophys (&np->ccb.scsi_smsg);
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np->ccb.p_scsi_smsg2 = vtophys (&np->ccb.scsi_smsg2);
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np->ccb.p_sensecmd = vtophys (&np->ccb.sensecmd);
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np->ccb.p_phys = vtophys (&np->ccb.phys);
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np->jump_tcb.l_cmd = SCR_JUMP;
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np->jump_tcb.l_paddr = NCB_SCRIPT_PHYS (np, abort);
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/*
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** Make the controller's registers available.
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@ -3877,13 +3858,13 @@ static INT32 ncr_start (struct scsi_xfer * xp)
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*/
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if (flags & SCSI_DATA_IN) {
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cp->phys.header.savep = np->p_data_in;
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cp->phys.header.savep = NCB_SCRIPT_PHYS (np, data_in);
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cp->phys.header.goalp = cp->phys.header.savep +20 +segments*16;
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} else if (flags & SCSI_DATA_OUT) {
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cp->phys.header.savep = np->p_data_out;
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cp->phys.header.savep = NCB_SCRIPT_PHYS (np, data_out);
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cp->phys.header.goalp = cp->phys.header.savep +20 +segments*16;
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} else {
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cp->phys.header.savep = np->p_no_data;
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cp->phys.header.savep = NCB_SCRIPT_PHYS (np, no_data);
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cp->phys.header.goalp = cp->phys.header.savep;
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};
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cp->phys.header.lastp = cp->phys.header.savep;
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@ -3903,7 +3884,7 @@ static INT32 ncr_start (struct scsi_xfer * xp)
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/*
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** Startqueue
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*/
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cp->phys.header.launch.l_paddr = np->p_select;
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cp->phys.header.launch.l_paddr = NCB_SCRIPT_PHYS (np, select);
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cp->phys.header.launch.l_cmd = SCR_JUMP;
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/*
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** select
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@ -3914,10 +3895,12 @@ static INT32 ncr_start (struct scsi_xfer * xp)
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/*
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** message
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*/
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cp->phys.smsg.addr = cp->p_scsi_smsg;
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/* cp->phys.smsg.addr = cp->p_scsi_smsg;*/
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cp->phys.smsg.addr = CCB_PHYS (cp, scsi_smsg);
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cp->phys.smsg.size = msglen;
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cp->phys.smsg2.addr = cp->p_scsi_smsg2;
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/* cp->phys.smsg2.addr = cp->p_scsi_smsg2;*/
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cp->phys.smsg2.addr = CCB_PHYS (cp, scsi_smsg2);
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cp->phys.smsg2.size = msglen2;
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/*
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** command
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@ -3927,7 +3910,8 @@ static INT32 ncr_start (struct scsi_xfer * xp)
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/*
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** sense command
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*/
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cp->phys.scmd.addr = cp->p_sensecmd;
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/* cp->phys.scmd.addr = cp->p_sensecmd;*/
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cp->phys.scmd.addr = CCB_PHYS (cp, sensecmd);
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cp->phys.scmd.size = 6;
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/*
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** patch requested size into sense command
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@ -3976,15 +3960,15 @@ static INT32 ncr_start (struct scsi_xfer * xp)
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ptr = np->squeueput + 1;
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if (ptr >= MAX_START) ptr=0;
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np->squeue [ptr ] = np->p_idle;
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np->squeue [np->squeueput] = cp->p_phys;
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np->squeue [ptr ] = NCB_SCRIPT_PHYS (np, idle);
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np->squeue [np->squeueput] = CCB_PHYS (cp, phys);
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np->squeueput = ptr;
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if(DEBUG_FLAGS & DEBUG_QUEUE)
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printf ("%s: queuepos=%d tryoffset=%d.\n", ncr_name (np),
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np->squeueput,
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(unsigned)(np->script->startpos[0]-
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(vtophys(&np->script->tryloop))));
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(NCB_SCRIPT_PHYS (np, tryloop))));
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/*
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** Script processor may be waiting for reselect.
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@ -4100,7 +4084,7 @@ void ncr_complete (ncb_p np, ccb_p cp)
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/*
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** No starting.
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*/
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cp->phys.header.launch.l_paddr= np->p_idle;
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cp->phys.header.launch.l_paddr= NCB_SCRIPT_PHYS (np, idle);
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/*
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** timestamp
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@ -4397,14 +4381,14 @@ void ncr_init (ncb_p np, char * msg, u_long code)
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*/
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for (i=0;i<MAX_START;i++)
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np -> squeue [i] = vtophys (&np->script->idle);
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np -> squeue [i] = NCB_SCRIPT_PHYS (np, idle);
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/*
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** Start at first entry.
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*/
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np->squeueput = 0;
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np->script->startpos[0] = vtophys (&np->script->tryloop);
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np->script->startpos[0] = NCB_SCRIPT_PHYS (np, tryloop);
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np->script->start0 [0] = SCR_INT ^ IFFALSE (0);
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/*
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@ -4498,7 +4482,7 @@ void ncr_init (ncb_p np, char * msg, u_long code)
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** Start script processor.
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*/
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OUTL (nc_dsp, vtophys (&np->script->start));
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OUTL (nc_dsp, NCB_SCRIPT_PHYS (np, start));
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}
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/*==========================================================
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@ -4886,11 +4870,11 @@ static void ncr_timeout (ncb_p np)
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*/
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cp->jump_ccb.l_cmd = (SCR_JUMP);
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if (cp->phys.header.launch.l_paddr ==
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vtophys (&np->script->select)) {
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NCB_SCRIPT_PHYS (np, select)) {
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printf ("%s: timeout ccb=%x (skip)\n",
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ncr_name (np), (unsigned)cp);
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cp->phys.header.launch.l_paddr
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= vtophys (&np->script->skip);
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= NCB_SCRIPT_PHYS (np, skip);
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};
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switch (cp->host_status) {
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@ -4901,7 +4885,7 @@ static void ncr_timeout (ncb_p np)
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** still in start queue ?
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*/
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if (cp->phys.header.launch.l_paddr ==
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vtophys (&np->script->skip))
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NCB_SCRIPT_PHYS (np, skip))
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continue;
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/* fall through */
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@ -5035,7 +5019,7 @@ void ncr_exception (ncb_p np)
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** Target wants more data than available.
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** The "no_data" script will do it.
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*/
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OUTL (nc_dsp, vtophys(&np->script->no_data));
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OUTL (nc_dsp, NCB_SCRIPT_PHYS (np, no_data));
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return;
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};
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@ -5099,7 +5083,7 @@ void ncr_exception (ncb_p np)
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dsp = (unsigned) INL (nc_dsp);
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dsa = (unsigned) INL (nc_dsa);
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script_ofs = dsp - vtophys(np->script);
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script_ofs = dsp - np->p_script;
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printf ("%s:%d: ERROR (%x:%x) (%x-%x-%x) (%x/%x) @ (%x:%08x).\n",
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ncr_name (np), INB (nc_ctest0)&0x0f, dstat, sist,
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@ -5143,7 +5127,7 @@ void ncr_exception (ncb_p np)
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DELAY (1000);
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OUTB (nc_scntl1, 0x00);
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OUTB (nc_scr0, HS_FAIL);
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OUTL (nc_dsp, vtophys(&np->script->cleanup));
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OUTL (nc_dsp, NCB_SCRIPT_PHYS (np, cleanup));
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return;
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}
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@ -5156,7 +5140,7 @@ void ncr_exception (ncb_p np)
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!(sist & (STO|GEN|HTH|MA|SGE|RST|PAR)) &&
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!(dstat & (MDPE|BF|ABRT|SIR|IID))) {
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OUTB (nc_scr0, HS_UNEXPECTED);
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OUTL (nc_dsp, vtophys(&np->script->cleanup));
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OUTL (nc_dsp, NCB_SCRIPT_PHYS (np, cleanup));
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return;
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};
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@ -5297,7 +5281,7 @@ void ncr_int_sto (ncb_p np)
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dsa = INL (nc_dsa);
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cp = &np->ccb;
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while (cp && (vtophys(&cp->phys) != dsa))
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while (cp && (CCB_PHYS (cp, phys) != dsa))
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cp = cp->link_ccb;
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if (cp) {
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@ -5310,13 +5294,13 @@ void ncr_int_sto (ncb_p np)
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*/
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scratcha = INL (nc_scratcha);
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diff = scratcha - vtophys(&np->script->tryloop);
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diff = scratcha - NCB_SCRIPT_PHYS (np, tryloop);
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/* assert ((diff <= MAX_START * 20) && !(diff % 20));*/
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if ((diff <= MAX_START * 20) && !(diff % 20)) {
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np->script->startpos[0] = scratcha;
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OUTL (nc_dsp, vtophys (&np->script->start));
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OUTL (nc_dsp, NCB_SCRIPT_PHYS (np, start));
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return;
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};
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ncr_init (np, "selection timeout", HS_FAIL);
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@ -5382,7 +5366,7 @@ static void ncr_int_ma (ncb_p np)
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*/
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dsa = INL (nc_dsa);
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cp = &np->ccb;
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while (cp && (cp->p_phys != dsa))
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while (cp && (CCB_PHYS (cp, phys) != dsa))
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cp = cp->link_ccb;
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if (!cp) {
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@ -5408,7 +5392,7 @@ static void ncr_int_ma (ncb_p np)
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vdsp = &cp->patch[4];
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nxtdsp = vdsp[3];
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} else {
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vdsp = (u_long*) ((char*)np->script - vtophys(np->script) + dsp -8);
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vdsp = (u_long*) ((char*)np->script - np->p_script + dsp -8);
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nxtdsp = dsp;
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};
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@ -5503,7 +5487,7 @@ static void ncr_int_ma (ncb_p np)
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*/
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np->profile.num_break++;
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OUTL (nc_temp, vtophys (newcmd));
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OUTL (nc_dsp, vtophys (&np->script->dispatch));
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OUTL (nc_dsp, NCB_SCRIPT_PHYS (np, dispatch));
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}
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/*==========================================================
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@ -5554,7 +5538,7 @@ void ncr_int_sir (ncb_p np)
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*/
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dsa = INL (nc_dsa);
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cp = &np->ccb;
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while (cp && (cp->p_phys != dsa))
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while (cp && (CCB_PHYS (cp, phys) != dsa))
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cp = cp->link_ccb;
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assert (cp);
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@ -5601,8 +5585,8 @@ void ncr_int_sir (ncb_p np)
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if (cp) {
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if (DEBUG_FLAGS & DEBUG_RESTART)
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printf ("+ restart job ..\n");
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OUTL (nc_dsa, cp->p_phys);
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OUTL (nc_dsp, vtophys (&np->script->getcc));
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OUTL (nc_dsa, CCB_PHYS (cp, phys));
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OUTL (nc_dsp, NCB_SCRIPT_PHYS (np, getcc));
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return;
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};
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@ -5744,7 +5728,7 @@ void ncr_int_sir (ncb_p np)
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np->msgin [0] = M_NOOP;
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np->msgout[0] = M_NOOP;
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cp->nego_status = 0;
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OUTL (nc_dsp,vtophys (&np->script->dispatch));
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OUTL (nc_dsp, NCB_SCRIPT_PHYS (np, dispatch));
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break;
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case SIR_NEGO_SYNC:
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@ -5813,13 +5797,13 @@ void ncr_int_sir (ncb_p np)
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** Answer wasn't acceptable.
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*/
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ncr_setsync (np, cp, 0xe0);
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OUTL (nc_dsp,vtophys (&np->script->msg_bad));
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OUTL (nc_dsp, NCB_SCRIPT_PHYS (np, msg_bad));
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} else {
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/*
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** Answer is ok.
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*/
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ncr_setsync (np, cp, (fak<<5)|ofs);
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OUTL (nc_dsp,vtophys (&np->script->clrack));
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OUTL (nc_dsp, NCB_SCRIPT_PHYS (np, clrack));
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};
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return;
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@ -5852,7 +5836,7 @@ void ncr_int_sir (ncb_p np)
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}
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if (!ofs) {
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OUTL (nc_dsp,vtophys (&np->script->msg_bad));
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OUTL (nc_dsp, NCB_SCRIPT_PHYS (np, msg_bad));
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return;
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}
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np->msgin [0] = M_NOOP;
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@ -5910,13 +5894,13 @@ void ncr_int_sir (ncb_p np)
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** Answer wasn't acceptable.
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*/
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ncr_setwide (np, cp, 0);
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OUTL (nc_dsp,vtophys (&np->script->msg_bad));
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OUTL (nc_dsp, NCB_SCRIPT_PHYS (np, msg_bad));
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} else {
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/*
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** Answer is ok.
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*/
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ncr_setwide (np, cp, wide);
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OUTL (nc_dsp,vtophys (&np->script->clrack));
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OUTL (nc_dsp, NCB_SCRIPT_PHYS (np, clrack));
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};
|
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return;
|
||||
|
||||
@ -6087,7 +6071,7 @@ void ncr_int_sir (ncb_p np)
|
||||
/*
|
||||
** wait for reselection
|
||||
*/
|
||||
OUTL (nc_dsp, vtophys (&np->script->reselect));
|
||||
OUTL (nc_dsp, NCB_SCRIPT_PHYS (np, reselect));
|
||||
return;
|
||||
};
|
||||
|
||||
@ -6230,10 +6214,10 @@ static void ncr_alloc_ccb (ncb_p np, struct scsi_xfer * xp)
|
||||
offsetof(struct tcb , wval )) &3) == 0);
|
||||
|
||||
tp->call_lun.l_cmd = (SCR_CALL);
|
||||
tp->call_lun.l_paddr = vtophys (&np->script->resel_lun);
|
||||
tp->call_lun.l_paddr = NCB_SCRIPT_PHYS (np, resel_lun);
|
||||
|
||||
tp->jump_lcb.l_cmd = (SCR_JUMP);
|
||||
tp->jump_lcb.l_paddr = vtophys (&np->script->abort);
|
||||
tp->jump_lcb.l_paddr = NCB_SCRIPT_PHYS (np, abort);
|
||||
np->jump_tcb.l_paddr = vtophys (&tp->jump_tcb);
|
||||
|
||||
ncr_setmaxtags (tp, SCSI_NCR_MAX_TAGS);
|
||||
@ -6258,10 +6242,10 @@ static void ncr_alloc_ccb (ncb_p np, struct scsi_xfer * xp)
|
||||
lp->jump_lcb.l_paddr = tp->jump_lcb.l_paddr;
|
||||
|
||||
lp->call_tag.l_cmd = (SCR_CALL);
|
||||
lp->call_tag.l_paddr = vtophys (&np->script->resel_tag);
|
||||
lp->call_tag.l_paddr = NCB_SCRIPT_PHYS (np, resel_tag);
|
||||
|
||||
lp->jump_ccb.l_cmd = (SCR_JUMP);
|
||||
lp->jump_ccb.l_paddr = vtophys (&np->script->aborttag);
|
||||
lp->jump_ccb.l_paddr = NCB_SCRIPT_PHYS (np, aborttag);
|
||||
|
||||
lp->actlink = 1;
|
||||
|
||||
@ -6312,19 +6296,16 @@ static void ncr_alloc_ccb (ncb_p np, struct scsi_xfer * xp)
|
||||
** Fill in physical addresses
|
||||
*/
|
||||
|
||||
cp->p_scsi_smsg = vtophys (&cp->scsi_smsg);
|
||||
cp->p_scsi_smsg2 = vtophys (&cp->scsi_smsg2);
|
||||
cp->p_sensecmd = vtophys (&cp->sensecmd);
|
||||
cp->p_phys = vtophys (&cp->phys);
|
||||
cp->p_ccb = vtophys (cp);
|
||||
|
||||
/*
|
||||
** Chain into reselect list
|
||||
*/
|
||||
cp->jump_ccb.l_cmd = SCR_JUMP;
|
||||
cp->jump_ccb.l_paddr = lp->jump_ccb.l_paddr;
|
||||
lp->jump_ccb.l_paddr = vtophys(&cp->jump_ccb);
|
||||
lp->jump_ccb.l_paddr = CCB_PHYS (cp, jump_ccb);
|
||||
cp->call_tmp.l_cmd = SCR_CALL;
|
||||
cp->call_tmp.l_paddr = np->p_resel_tmp;
|
||||
cp->call_tmp.l_paddr = NCB_SCRIPT_PHYS (np, resel_tmp);
|
||||
|
||||
/*
|
||||
** Chain into wakeup list
|
||||
@ -6560,7 +6541,7 @@ static int ncr_snooptest (struct ncb* np)
|
||||
/*
|
||||
** init
|
||||
*/
|
||||
pc = vtophys (&np->script->snooptest);
|
||||
pc = NCB_SCRIPT_PHYS (np, snooptest);
|
||||
host_wr = 1;
|
||||
ncr_wr = 2;
|
||||
/*
|
||||
@ -6604,7 +6585,7 @@ static int ncr_snooptest (struct ncb* np)
|
||||
/*
|
||||
** Check termination position.
|
||||
*/
|
||||
if (pc != vtophys (&np->script->snoopend)+8) {
|
||||
if (pc != NCB_SCRIPT_PHYS (np, snoopend)+8) {
|
||||
printf ("CACHE TEST FAILED: script execution failed.\n");
|
||||
return (0x40);
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user