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aha1542: Remove HOSTDATA macro
Remove HOSTDATA macro and use shost_priv instead Signed-off-by: Ondrej Zary <linux@rainbow-software.org> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: James Bottomley <JBottomley@Odin.com>
This commit is contained in:
Ondrej Zary
James Bottomley
parent
10be62506f
commit
e98878f737
@ -118,8 +118,6 @@ struct aha1542_hostdata {
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struct ccb ccb[AHA1542_MAILBOXES];
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};
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#define HOSTDATA(host) ((struct aha1542_hostdata *) &host->hostdata)
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static DEFINE_SPINLOCK(aha1542_lock);
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@ -382,6 +380,7 @@ static irqreturn_t do_aha1542_intr_handle(int dummy, void *dev_id)
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/* A "high" level interrupt handler */
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static void aha1542_intr_handle(struct Scsi_Host *shost)
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{
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struct aha1542_hostdata *aha1542 = shost_priv(shost);
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void (*my_done) (Scsi_Cmnd *) = NULL;
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int errstatus, mbi, mbo, mbistatus;
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int number_serviced;
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@ -389,11 +388,8 @@ static void aha1542_intr_handle(struct Scsi_Host *shost)
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Scsi_Cmnd *SCtmp;
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int flag;
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int needs_restart;
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struct mailbox *mb;
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struct ccb *ccb;
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mb = HOSTDATA(shost)->mb;
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ccb = HOSTDATA(shost)->ccb;
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struct mailbox *mb = aha1542->mb;
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struct ccb *ccb = aha1542->ccb;
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#ifdef DEBUG
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{
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@ -435,7 +431,7 @@ static void aha1542_intr_handle(struct Scsi_Host *shost)
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aha1542_intr_reset(shost->io_port);
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spin_lock_irqsave(&aha1542_lock, flags);
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mbi = HOSTDATA(shost)->aha1542_last_mbi_used + 1;
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mbi = aha1542->aha1542_last_mbi_used + 1;
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if (mbi >= 2 * AHA1542_MAILBOXES)
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mbi = AHA1542_MAILBOXES;
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@ -445,7 +441,7 @@ static void aha1542_intr_handle(struct Scsi_Host *shost)
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mbi++;
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if (mbi >= 2 * AHA1542_MAILBOXES)
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mbi = AHA1542_MAILBOXES;
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} while (mbi != HOSTDATA(shost)->aha1542_last_mbi_used);
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} while (mbi != aha1542->aha1542_last_mbi_used);
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if (mb[mbi].status == 0) {
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spin_unlock_irqrestore(&aha1542_lock, flags);
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@ -462,7 +458,7 @@ static void aha1542_intr_handle(struct Scsi_Host *shost)
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mbo = (scsi2int(mb[mbi].ccbptr) - (isa_virt_to_bus(&ccb[0]))) / sizeof(struct ccb);
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mbistatus = mb[mbi].status;
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mb[mbi].status = 0;
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HOSTDATA(shost)->aha1542_last_mbi_used = mbi;
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aha1542->aha1542_last_mbi_used = mbi;
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spin_unlock_irqrestore(&aha1542_lock, flags);
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#ifdef DEBUG
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@ -480,7 +476,7 @@ static void aha1542_intr_handle(struct Scsi_Host *shost)
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printk(KERN_DEBUG "...done %d %d\n", mbo, mbi);
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#endif
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SCtmp = HOSTDATA(shost)->SCint[mbo];
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SCtmp = aha1542->SCint[mbo];
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if (!SCtmp || !SCtmp->scsi_done) {
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printk(KERN_WARNING "aha1542_intr_handle: Unexpected interrupt\n");
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@ -533,8 +529,8 @@ static void aha1542_intr_handle(struct Scsi_Host *shost)
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}
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DEB(if (errstatus) printk("aha1542_intr_handle: returning %6x\n", errstatus));
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SCtmp->result = errstatus;
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HOSTDATA(shost)->SCint[mbo] = NULL; /* This effectively frees up the mailbox slot, as
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far as queuecommand is concerned */
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aha1542->SCint[mbo] = NULL; /* This effectively frees up the mailbox slot, as
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far as queuecommand is concerned */
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my_done(SCtmp);
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number_serviced++;
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};
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@ -542,6 +538,7 @@ static void aha1542_intr_handle(struct Scsi_Host *shost)
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static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *))
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{
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struct aha1542_hostdata *aha1542 = shost_priv(SCpnt->device->host);
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unchar ahacmd = CMD_START_SCSI;
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unchar direction;
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unchar *cmd = (unchar *) SCpnt->cmnd;
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@ -550,14 +547,11 @@ static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *
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unsigned long flags;
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int bufflen = scsi_bufflen(SCpnt);
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int mbo;
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struct mailbox *mb;
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struct ccb *ccb;
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struct mailbox *mb = aha1542->mb;
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struct ccb *ccb = aha1542->ccb;
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DEB(int i);
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mb = HOSTDATA(SCpnt->device->host)->mb;
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ccb = HOSTDATA(SCpnt->device->host)->ccb;
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DEB(if (target > 1) {
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SCpnt->result = DID_TIME_OUT << 16;
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done(SCpnt); return 0;
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@ -593,25 +587,25 @@ static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *
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is how the host adapter will scan for them */
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spin_lock_irqsave(&aha1542_lock, flags);
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mbo = HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used + 1;
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mbo = aha1542->aha1542_last_mbo_used + 1;
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if (mbo >= AHA1542_MAILBOXES)
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mbo = 0;
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do {
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if (mb[mbo].status == 0 && HOSTDATA(SCpnt->device->host)->SCint[mbo] == NULL)
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if (mb[mbo].status == 0 && aha1542->SCint[mbo] == NULL)
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break;
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mbo++;
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if (mbo >= AHA1542_MAILBOXES)
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mbo = 0;
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} while (mbo != HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used);
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} while (mbo != aha1542->aha1542_last_mbo_used);
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if (mb[mbo].status || HOSTDATA(SCpnt->device->host)->SCint[mbo])
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if (mb[mbo].status || aha1542->SCint[mbo])
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panic("Unable to find empty mailbox for aha1542.\n");
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HOSTDATA(SCpnt->device->host)->SCint[mbo] = SCpnt; /* This will effectively prevent someone else from
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screwing with this cdb. */
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aha1542->SCint[mbo] = SCpnt; /* This will effectively prevent someone else from
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screwing with this cdb. */
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HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used = mbo;
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aha1542->aha1542_last_mbo_used = mbo;
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spin_unlock_irqrestore(&aha1542_lock, flags);
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#ifdef DEBUG
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@ -645,7 +639,7 @@ static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *
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cptr = (struct chain *) SCpnt->host_scribble;
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if (cptr == NULL) {
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/* free the claimed mailbox slot */
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HOSTDATA(SCpnt->device->host)->SCint[mbo] = NULL;
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aha1542->SCint[mbo] = NULL;
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return SCSI_MLQUEUE_HOST_BUSY;
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}
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scsi_for_each_sg(SCpnt, sg, sg_count, i) {
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@ -699,15 +693,13 @@ static DEF_SCSI_QCMD(aha1542_queuecommand)
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/* Initialize mailboxes */
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static void setup_mailboxes(int bse, struct Scsi_Host *shpnt)
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{
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struct aha1542_hostdata *aha1542 = shost_priv(shpnt);
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int i;
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struct mailbox *mb;
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struct ccb *ccb;
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struct mailbox *mb = aha1542->mb;
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struct ccb *ccb = aha1542->ccb;
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unchar cmd[5] = { CMD_MBINIT, AHA1542_MAILBOXES, 0, 0, 0};
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mb = HOSTDATA(shpnt)->mb;
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ccb = HOSTDATA(shpnt)->ccb;
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for (i = 0; i < AHA1542_MAILBOXES; i++) {
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mb[i].status = mb[AHA1542_MAILBOXES + i].status = 0;
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any2scsi(mb[i].ccbptr, isa_virt_to_bus(&ccb[i]));
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@ -951,6 +943,7 @@ static struct Scsi_Host *aha1542_hw_init(struct scsi_host_template *tpnt, struct
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unsigned int base_io;
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int trans;
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struct Scsi_Host *shpnt = NULL;
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struct aha1542_hostdata *aha1542;
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DEB(printk("aha1542_detect: \n"));
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@ -964,6 +957,7 @@ static struct Scsi_Host *aha1542_hw_init(struct scsi_host_template *tpnt, struct
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release_region(bases[indx], 4);
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return NULL;
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}
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aha1542 = shost_priv(shpnt);
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if (!aha1542_test_port(bases[indx], shpnt))
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goto unregister;
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@ -1040,12 +1034,12 @@ fail:
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shpnt->n_io_port = 4; /* Number of bytes of I/O space used */
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shpnt->dma_channel = dma_chan;
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shpnt->irq = irq_level;
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HOSTDATA(shpnt)->bios_translation = trans;
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aha1542->bios_translation = trans;
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if (trans == BIOS_TRANSLATION_25563)
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printk(KERN_INFO "aha1542.c: Using extended bios translation\n");
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HOSTDATA(shpnt)->aha1542_last_mbi_used = (2 * AHA1542_MAILBOXES - 1);
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HOSTDATA(shpnt)->aha1542_last_mbo_used = (AHA1542_MAILBOXES - 1);
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memset(HOSTDATA(shpnt)->SCint, 0, sizeof(HOSTDATA(shpnt)->SCint));
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aha1542->aha1542_last_mbi_used = (2 * AHA1542_MAILBOXES - 1);
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aha1542->aha1542_last_mbo_used = (AHA1542_MAILBOXES - 1);
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memset(aha1542->SCint, 0, sizeof(aha1542->SCint));
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spin_unlock_irqrestore(&aha1542_lock, flags);
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if (scsi_add_host(shpnt, pdev)) {
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@ -1083,12 +1077,13 @@ static int aha1542_release(struct Scsi_Host *shost)
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static int aha1542_restart(struct Scsi_Host *shost)
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{
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struct aha1542_hostdata *aha1542 = shost_priv(shost);
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int i;
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int count = 0;
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for (i = 0; i < AHA1542_MAILBOXES; i++)
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if (HOSTDATA(shost)->SCint[i] &&
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!(HOSTDATA(shost)->SCint[i]->device->soft_reset)) {
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if (aha1542->SCint[i] &&
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!(aha1542->SCint[i]->device->soft_reset)) {
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count++;
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}
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printk(KERN_DEBUG "Potential to restart %d stalled commands...\n", count);
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@ -1102,38 +1097,36 @@ static int aha1542_restart(struct Scsi_Host *shost)
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*/
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static int aha1542_dev_reset(Scsi_Cmnd * SCpnt)
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{
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struct aha1542_hostdata *aha1542 = shost_priv(SCpnt->device->host);
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unsigned long flags;
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struct mailbox *mb;
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struct mailbox *mb = aha1542->mb;
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unchar target = SCpnt->device->id;
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unchar lun = SCpnt->device->lun;
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int mbo;
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struct ccb *ccb;
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struct ccb *ccb = aha1542->ccb;
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unchar ahacmd = CMD_START_SCSI;
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ccb = HOSTDATA(SCpnt->device->host)->ccb;
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mb = HOSTDATA(SCpnt->device->host)->mb;
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spin_lock_irqsave(&aha1542_lock, flags);
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mbo = HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used + 1;
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mbo = aha1542->aha1542_last_mbo_used + 1;
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if (mbo >= AHA1542_MAILBOXES)
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mbo = 0;
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do {
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if (mb[mbo].status == 0 && HOSTDATA(SCpnt->device->host)->SCint[mbo] == NULL)
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if (mb[mbo].status == 0 && aha1542->SCint[mbo] == NULL)
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break;
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mbo++;
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if (mbo >= AHA1542_MAILBOXES)
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mbo = 0;
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} while (mbo != HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used);
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} while (mbo != aha1542->aha1542_last_mbo_used);
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if (mb[mbo].status || HOSTDATA(SCpnt->device->host)->SCint[mbo])
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if (mb[mbo].status || aha1542->SCint[mbo])
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panic("Unable to find empty mailbox for aha1542.\n");
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HOSTDATA(SCpnt->device->host)->SCint[mbo] = SCpnt; /* This will effectively
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prevent someone else from
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screwing with this cdb. */
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aha1542->SCint[mbo] = SCpnt; /* This will effectively
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prevent someone else from
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screwing with this cdb. */
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HOSTDATA(SCpnt->device->host)->aha1542_last_mbo_used = mbo;
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aha1542->aha1542_last_mbo_used = mbo;
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spin_unlock_irqrestore(&aha1542_lock, flags);
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any2scsi(mb[mbo].ccbptr, isa_virt_to_bus(&ccb[mbo])); /* This gets trashed for some reason */
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@ -1161,6 +1154,7 @@ static int aha1542_dev_reset(Scsi_Cmnd * SCpnt)
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static int aha1542_bus_reset(Scsi_Cmnd * SCpnt)
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{
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struct aha1542_hostdata *aha1542 = shost_priv(SCpnt->device->host);
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int i;
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/*
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@ -1194,9 +1188,9 @@ static int aha1542_bus_reset(Scsi_Cmnd * SCpnt)
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printk(KERN_WARNING "Sent BUS RESET to scsi host %d\n", SCpnt->device->host->host_no);
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for (i = 0; i < AHA1542_MAILBOXES; i++) {
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if (HOSTDATA(SCpnt->device->host)->SCint[i] != NULL) {
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if (aha1542->SCint[i] != NULL) {
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Scsi_Cmnd *SCtmp;
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SCtmp = HOSTDATA(SCpnt->device->host)->SCint[i];
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SCtmp = aha1542->SCint[i];
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if (SCtmp->device->soft_reset) {
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@ -1210,8 +1204,8 @@ static int aha1542_bus_reset(Scsi_Cmnd * SCpnt)
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}
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kfree(SCtmp->host_scribble);
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SCtmp->host_scribble = NULL;
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HOSTDATA(SCpnt->device->host)->SCint[i] = NULL;
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HOSTDATA(SCpnt->device->host)->mb[i].status = 0;
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aha1542->SCint[i] = NULL;
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aha1542->mb[i].status = 0;
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}
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}
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@ -1225,6 +1219,7 @@ fail:
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static int aha1542_host_reset(Scsi_Cmnd * SCpnt)
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{
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struct aha1542_hostdata *aha1542 = shost_priv(SCpnt->device->host);
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int i;
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/*
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@ -1263,9 +1258,9 @@ static int aha1542_host_reset(Scsi_Cmnd * SCpnt)
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printk(KERN_WARNING "Sent BUS RESET to scsi host %d\n", SCpnt->device->host->host_no);
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for (i = 0; i < AHA1542_MAILBOXES; i++) {
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if (HOSTDATA(SCpnt->device->host)->SCint[i] != NULL) {
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if (aha1542->SCint[i] != NULL) {
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Scsi_Cmnd *SCtmp;
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SCtmp = HOSTDATA(SCpnt->device->host)->SCint[i];
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SCtmp = aha1542->SCint[i];
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if (SCtmp->device->soft_reset) {
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/*
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@ -1278,8 +1273,8 @@ static int aha1542_host_reset(Scsi_Cmnd * SCpnt)
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}
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kfree(SCtmp->host_scribble);
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SCtmp->host_scribble = NULL;
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HOSTDATA(SCpnt->device->host)->SCint[i] = NULL;
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HOSTDATA(SCpnt->device->host)->mb[i].status = 0;
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aha1542->SCint[i] = NULL;
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aha1542->mb[i].status = 0;
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}
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}
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@ -1294,10 +1289,11 @@ fail:
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static int aha1542_biosparam(struct scsi_device *sdev,
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struct block_device *bdev, sector_t capacity, int *ip)
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{
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struct aha1542_hostdata *aha1542 = shost_priv(sdev->host);
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int translation_algorithm;
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int size = capacity;
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translation_algorithm = HOSTDATA(sdev->host)->bios_translation;
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translation_algorithm = aha1542->bios_translation;
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if ((size >> 11) > 1024 && translation_algorithm == BIOS_TRANSLATION_25563) {
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/* Please verify that this is the same as what DOS returns */
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