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Commit e98878f7 authored by Ondrej Zary's avatar Ondrej Zary Committed by James Bottomley
Browse files

aha1542: Remove HOSTDATA macro 



Remove HOSTDATA macro and use shost_priv instead

Signed-off-by: default avatarOndrej Zary <linux@rainbow-software.org>
Reviewed-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarJames Bottomley <JBottomley@Odin.com>
parent 10be6250

drivers/scsi/aha1542.c

+55 −59
Original line number Diff line number Diff line
@@ -118,8 +118,6 @@ struct aha1542_hostdata { 
	struct ccb ccb[AHA1542_MAILBOXES];

};



#define HOSTDATA(host) ((struct aha1542_hostdata *) &host->hostdata)



static DEFINE_SPINLOCK(aha1542_lock);
@@ -382,6 +380,7 @@ static irqreturn_t do_aha1542_intr_handle(int dummy, void *dev_id) 
/* A "high" level interrupt handler */

static void aha1542_intr_handle(struct Scsi_Host *shost)

{

	struct aha1542_hostdata *aha1542 = shost_priv(shost);

	void (*my_done) (Scsi_Cmnd *) = NULL;

	int errstatus, mbi, mbo, mbistatus;

	int number_serviced;
@@ -389,11 +388,8 @@ static void aha1542_intr_handle(struct Scsi_Host *shost) 
	Scsi_Cmnd *SCtmp;

	int flag;

	int needs_restart;

	struct mailbox *mb;

	struct ccb *ccb;



	mb = HOSTDATA(shost)->mb;

	ccb = HOSTDATA(shost)->ccb;

	struct mailbox *mb = aha1542->mb;

	struct ccb *ccb = aha1542->ccb;



#ifdef DEBUG

	{
@@ -435,7 +431,7 @@ static void aha1542_intr_handle(struct Scsi_Host *shost) 
		aha1542_intr_reset(shost->io_port);



		spin_lock_irqsave(&aha1542_lock, flags);

		mbi = HOSTDATA(shost)->aha1542_last_mbi_used + 1;

		mbi = aha1542->aha1542_last_mbi_used + 1;

		if (mbi >= 2 * AHA1542_MAILBOXES)

			mbi = AHA1542_MAILBOXES;
@@ -445,7 +441,7 @@ static void aha1542_intr_handle(struct Scsi_Host *shost) 
			mbi++;

			if (mbi >= 2 * AHA1542_MAILBOXES)

				mbi = AHA1542_MAILBOXES;

		} while (mbi != HOSTDATA(shost)->aha1542_last_mbi_used);

		} while (mbi != aha1542->aha1542_last_mbi_used);



		if (mb[mbi].status == 0) {

			spin_unlock_irqrestore(&aha1542_lock, flags);
@@ -462,7 +458,7 @@ static void aha1542_intr_handle(struct Scsi_Host *shost) 
		mbo = (scsi2int(mb[mbi].ccbptr) - (isa_virt_to_bus(&ccb[0]))) / sizeof(struct ccb);

		mbistatus = mb[mbi].status;

		mb[mbi].status = 0;

		HOSTDATA(shost)->aha1542_last_mbi_used = mbi;

		aha1542->aha1542_last_mbi_used = mbi;

		spin_unlock_irqrestore(&aha1542_lock, flags);



#ifdef DEBUG
@@ -480,7 +476,7 @@ static void aha1542_intr_handle(struct Scsi_Host *shost) 
		printk(KERN_DEBUG "...done %d %d\n", mbo, mbi);

#endif



		SCtmp = HOSTDATA(shost)->SCint[mbo];

		SCtmp = aha1542->SCint[mbo];



		if (!SCtmp || !SCtmp->scsi_done) {

			printk(KERN_WARNING "aha1542_intr_handle: Unexpected interrupt\n");
@@ -533,7 +529,7 @@ static void aha1542_intr_handle(struct Scsi_Host *shost) 
		}

		DEB(if (errstatus) printk("aha1542_intr_handle: returning %6x\n", errstatus));

		SCtmp->result = errstatus;

		HOSTDATA(shost)->SCint[mbo] = NULL;	/* This effectively frees up the mailbox slot, as

		aha1542->SCint[mbo] = NULL;	/* This effectively frees up the mailbox slot, as

						   far as queuecommand is concerned */

		my_done(SCtmp);

		number_serviced++;
@@ -542,6 +538,7 @@ static void aha1542_intr_handle(struct Scsi_Host *shost) 


static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *))

{

	struct aha1542_hostdata *aha1542 = shost_priv(SCpnt->device->host);

	unchar ahacmd = CMD_START_SCSI;

	unchar direction;

	unchar *cmd = (unchar *) SCpnt->cmnd;
@@ -550,14 +547,11 @@ static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd * 
	unsigned long flags;

	int bufflen = scsi_bufflen(SCpnt);

	int mbo;

	struct mailbox *mb;

	struct ccb *ccb;

	struct mailbox *mb = aha1542->mb;

	struct ccb *ccb = aha1542->ccb;



	DEB(int i);



	mb = HOSTDATA(SCpnt->device->host)->mb;

	ccb = HOSTDATA(SCpnt->device->host)->ccb;



	DEB(if (target > 1) {

	    SCpnt->result = DID_TIME_OUT << 16;

	    done(SCpnt); return 0;
@@ -593,25 +587,25 @@ static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd * 
	   is how the host adapter will scan for them */



	spin_lock_irqsave(&aha1542_lock, flags);

	mbo = HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used + 1;

	mbo = aha1542->aha1542_last_mbo_used + 1;

	if (mbo >= AHA1542_MAILBOXES)

		mbo = 0;



	do {

		if (mb[mbo].status == 0 && HOSTDATA(SCpnt->device->host)->SCint[mbo] == NULL)

		if (mb[mbo].status == 0 && aha1542->SCint[mbo] == NULL)

			break;

		mbo++;

		if (mbo >= AHA1542_MAILBOXES)

			mbo = 0;

	} while (mbo != HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used);

	} while (mbo != aha1542->aha1542_last_mbo_used);



	if (mb[mbo].status || HOSTDATA(SCpnt->device->host)->SCint[mbo])

	if (mb[mbo].status || aha1542->SCint[mbo])

		panic("Unable to find empty mailbox for aha1542.\n");



	HOSTDATA(SCpnt->device->host)->SCint[mbo] = SCpnt;	/* This will effectively prevent someone else from

	aha1542->SCint[mbo] = SCpnt;	/* This will effectively prevent someone else from

					   screwing with this cdb. */



	HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used = mbo;

	aha1542->aha1542_last_mbo_used = mbo;

	spin_unlock_irqrestore(&aha1542_lock, flags);



#ifdef DEBUG
@@ -645,7 +639,7 @@ static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd * 
		cptr = (struct chain *) SCpnt->host_scribble;

		if (cptr == NULL) {

			/* free the claimed mailbox slot */

			HOSTDATA(SCpnt->device->host)->SCint[mbo] = NULL;

			aha1542->SCint[mbo] = NULL;

			return SCSI_MLQUEUE_HOST_BUSY;

		}

		scsi_for_each_sg(SCpnt, sg, sg_count, i) {
@@ -699,15 +693,13 @@ static DEF_SCSI_QCMD(aha1542_queuecommand) 
/* Initialize mailboxes */

static void setup_mailboxes(int bse, struct Scsi_Host *shpnt)

{

	struct aha1542_hostdata *aha1542 = shost_priv(shpnt);

	int i;

	struct mailbox *mb;

	struct ccb *ccb;

	struct mailbox *mb = aha1542->mb;

	struct ccb *ccb = aha1542->ccb;



	unchar cmd[5] = { CMD_MBINIT, AHA1542_MAILBOXES, 0, 0, 0};



	mb = HOSTDATA(shpnt)->mb;

	ccb = HOSTDATA(shpnt)->ccb;



	for (i = 0; i < AHA1542_MAILBOXES; i++) {

		mb[i].status = mb[AHA1542_MAILBOXES + i].status = 0;

		any2scsi(mb[i].ccbptr, isa_virt_to_bus(&ccb[i]));
@@ -951,6 +943,7 @@ static struct Scsi_Host *aha1542_hw_init(struct scsi_host_template *tpnt, struct 
	unsigned int base_io;

	int trans;

	struct Scsi_Host *shpnt = NULL;

	struct aha1542_hostdata *aha1542;



	DEB(printk("aha1542_detect: \n"));
@@ -964,6 +957,7 @@ static struct Scsi_Host *aha1542_hw_init(struct scsi_host_template *tpnt, struct 
				release_region(bases[indx], 4);

				return NULL;

			}

			aha1542 = shost_priv(shpnt);

			if (!aha1542_test_port(bases[indx], shpnt))

				goto unregister;
@@ -1040,12 +1034,12 @@ static struct Scsi_Host *aha1542_hw_init(struct scsi_host_template *tpnt, struct 
			shpnt->n_io_port = 4;	/* Number of bytes of I/O space used */

			shpnt->dma_channel = dma_chan;

			shpnt->irq = irq_level;

			HOSTDATA(shpnt)->bios_translation = trans;

			aha1542->bios_translation = trans;

			if (trans == BIOS_TRANSLATION_25563)

				printk(KERN_INFO "aha1542.c: Using extended bios translation\n");

			HOSTDATA(shpnt)->aha1542_last_mbi_used = (2 * AHA1542_MAILBOXES - 1);

			HOSTDATA(shpnt)->aha1542_last_mbo_used = (AHA1542_MAILBOXES - 1);

			memset(HOSTDATA(shpnt)->SCint, 0, sizeof(HOSTDATA(shpnt)->SCint));

			aha1542->aha1542_last_mbi_used = (2 * AHA1542_MAILBOXES - 1);

			aha1542->aha1542_last_mbo_used = (AHA1542_MAILBOXES - 1);

			memset(aha1542->SCint, 0, sizeof(aha1542->SCint));

			spin_unlock_irqrestore(&aha1542_lock, flags);



			if (scsi_add_host(shpnt, pdev)) {
@@ -1083,12 +1077,13 @@ static int aha1542_release(struct Scsi_Host *shost) 


static int aha1542_restart(struct Scsi_Host *shost)

{

	struct aha1542_hostdata *aha1542 = shost_priv(shost);

	int i;

	int count = 0;



	for (i = 0; i < AHA1542_MAILBOXES; i++)

		if (HOSTDATA(shost)->SCint[i] &&

		    !(HOSTDATA(shost)->SCint[i]->device->soft_reset)) {

		if (aha1542->SCint[i] &&

		    !(aha1542->SCint[i]->device->soft_reset)) {

			count++;

		}

	printk(KERN_DEBUG "Potential to restart %d stalled commands...\n", count);
@@ -1102,38 +1097,36 @@ static int aha1542_restart(struct Scsi_Host *shost) 
 */

static int aha1542_dev_reset(Scsi_Cmnd * SCpnt)

{

	struct aha1542_hostdata *aha1542 = shost_priv(SCpnt->device->host);

	unsigned long flags;

	struct mailbox *mb;

	struct mailbox *mb = aha1542->mb;

	unchar target = SCpnt->device->id;

	unchar lun = SCpnt->device->lun;

	int mbo;

	struct ccb *ccb;

	struct ccb *ccb = aha1542->ccb;

	unchar ahacmd = CMD_START_SCSI;



	ccb = HOSTDATA(SCpnt->device->host)->ccb;

	mb = HOSTDATA(SCpnt->device->host)->mb;



	spin_lock_irqsave(&aha1542_lock, flags);

	mbo = HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used + 1;

	mbo = aha1542->aha1542_last_mbo_used + 1;

	if (mbo >= AHA1542_MAILBOXES)

		mbo = 0;



	do {

		if (mb[mbo].status == 0 && HOSTDATA(SCpnt->device->host)->SCint[mbo] == NULL)

		if (mb[mbo].status == 0 && aha1542->SCint[mbo] == NULL)

			break;

		mbo++;

		if (mbo >= AHA1542_MAILBOXES)

			mbo = 0;

	} while (mbo != HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used);

	} while (mbo != aha1542->aha1542_last_mbo_used);



	if (mb[mbo].status || HOSTDATA(SCpnt->device->host)->SCint[mbo])

	if (mb[mbo].status || aha1542->SCint[mbo])

		panic("Unable to find empty mailbox for aha1542.\n");



	HOSTDATA(SCpnt->device->host)->SCint[mbo] = SCpnt;	/* This will effectively

	aha1542->SCint[mbo] = SCpnt;	/* This will effectively

					   prevent someone else from

					   screwing with this cdb. */



	HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used = mbo;

	aha1542->aha1542_last_mbo_used = mbo;

	spin_unlock_irqrestore(&aha1542_lock, flags);



	any2scsi(mb[mbo].ccbptr, isa_virt_to_bus(&ccb[mbo]));	/* This gets trashed for some reason */
@@ -1161,6 +1154,7 @@ static int aha1542_dev_reset(Scsi_Cmnd * SCpnt) 


static int aha1542_bus_reset(Scsi_Cmnd * SCpnt)

{

	struct aha1542_hostdata *aha1542 = shost_priv(SCpnt->device->host);

	int i;



	/*
@@ -1194,9 +1188,9 @@ static int aha1542_bus_reset(Scsi_Cmnd * SCpnt) 
	printk(KERN_WARNING "Sent BUS RESET to scsi host %d\n", SCpnt->device->host->host_no);



	for (i = 0; i < AHA1542_MAILBOXES; i++) {

		if (HOSTDATA(SCpnt->device->host)->SCint[i] != NULL) {

		if (aha1542->SCint[i] != NULL) {

			Scsi_Cmnd *SCtmp;

			SCtmp = HOSTDATA(SCpnt->device->host)->SCint[i];

			SCtmp = aha1542->SCint[i];





			if (SCtmp->device->soft_reset) {
@@ -1210,8 +1204,8 @@ static int aha1542_bus_reset(Scsi_Cmnd * SCpnt) 
			}

			kfree(SCtmp->host_scribble);

			SCtmp->host_scribble = NULL;

			HOSTDATA(SCpnt->device->host)->SCint[i] = NULL;

			HOSTDATA(SCpnt->device->host)->mb[i].status = 0;

			aha1542->SCint[i] = NULL;

			aha1542->mb[i].status = 0;

		}

	}
@@ -1225,6 +1219,7 @@ static int aha1542_bus_reset(Scsi_Cmnd * SCpnt) 


static int aha1542_host_reset(Scsi_Cmnd * SCpnt)

{

	struct aha1542_hostdata *aha1542 = shost_priv(SCpnt->device->host);

	int i;



	/*
@@ -1263,9 +1258,9 @@ static int aha1542_host_reset(Scsi_Cmnd * SCpnt) 
	printk(KERN_WARNING "Sent BUS RESET to scsi host %d\n", SCpnt->device->host->host_no);



	for (i = 0; i < AHA1542_MAILBOXES; i++) {

		if (HOSTDATA(SCpnt->device->host)->SCint[i] != NULL) {

		if (aha1542->SCint[i] != NULL) {

			Scsi_Cmnd *SCtmp;

			SCtmp = HOSTDATA(SCpnt->device->host)->SCint[i];

			SCtmp = aha1542->SCint[i];



			if (SCtmp->device->soft_reset) {

				/*
@@ -1278,8 +1273,8 @@ static int aha1542_host_reset(Scsi_Cmnd * SCpnt) 
			}

			kfree(SCtmp->host_scribble);

			SCtmp->host_scribble = NULL;

			HOSTDATA(SCpnt->device->host)->SCint[i] = NULL;

			HOSTDATA(SCpnt->device->host)->mb[i].status = 0;

			aha1542->SCint[i] = NULL;

			aha1542->mb[i].status = 0;

		}

	}
@@ -1294,10 +1289,11 @@ static int aha1542_host_reset(Scsi_Cmnd * SCpnt) 
static int aha1542_biosparam(struct scsi_device *sdev,

		struct block_device *bdev, sector_t capacity, int *ip)

{

	struct aha1542_hostdata *aha1542 = shost_priv(sdev->host);

	int translation_algorithm;

	int size = capacity;



	translation_algorithm = HOSTDATA(sdev->host)->bios_translation;

	translation_algorithm = aha1542->bios_translation;



	if ((size >> 11) > 1024 && translation_algorithm == BIOS_TRANSLATION_25563) {

		/* Please verify that this is the same as what DOS returns */