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Commit e98878f7 authored by Ondrej Zary's avatar Ondrej Zary Committed by James Bottomley
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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
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Showing with 55 additions and 59 deletions
drivers/scsi/aha1542.c
View file @ e98878f7
......@@ -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");
......@@ -533,8 +529,8 @@ 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
far as queuecommand is concerned */
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
screwing with this cdb. */
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
prevent someone else from
screwing with this cdb. */
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 */
......
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