mirror of https://gitee.com/openkylin/linux.git
aha1524: Use struct scsi_cmnd
Use struct scsi_cmnd instead of Scsi_Cmnd and also rename the variables to get rid of SC prefix 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
cad2fc72cf
commit
55b28f9fc0
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@ -86,7 +86,7 @@ struct aha1542_hostdata {
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int bios_translation; /* Mapping bios uses - for compatibility */
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int aha1542_last_mbi_used;
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int aha1542_last_mbo_used;
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Scsi_Cmnd *SCint[AHA1542_MAILBOXES];
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struct scsi_cmnd *int_cmds[AHA1542_MAILBOXES];
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struct mailbox mb[2 * AHA1542_MAILBOXES];
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struct ccb ccb[AHA1542_MAILBOXES];
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};
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@ -296,11 +296,11 @@ static int aha1542_test_port(int bse, struct Scsi_Host *shpnt)
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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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void (*my_done)(struct scsi_cmnd *) = NULL;
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int errstatus, mbi, mbo, mbistatus;
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int number_serviced;
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unsigned long flags;
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Scsi_Cmnd *SCtmp;
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struct scsi_cmnd *tmp_cmd;
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int flag;
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struct mailbox *mb = aha1542->mb;
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struct ccb *ccb = aha1542->ccb;
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@ -383,22 +383,22 @@ 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 = aha1542->SCint[mbo];
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tmp_cmd = aha1542->int_cmds[mbo];
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if (!SCtmp || !SCtmp->scsi_done) {
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if (!tmp_cmd || !tmp_cmd->scsi_done) {
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printk(KERN_WARNING "aha1542_intr_handle: Unexpected interrupt\n");
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printk(KERN_WARNING "tarstat=%x, hastat=%x idlun=%x ccb#=%d \n", ccb[mbo].tarstat,
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ccb[mbo].hastat, ccb[mbo].idlun, mbo);
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return;
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}
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my_done = SCtmp->scsi_done;
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kfree(SCtmp->host_scribble);
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SCtmp->host_scribble = NULL;
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my_done = tmp_cmd->scsi_done;
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kfree(tmp_cmd->host_scribble);
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tmp_cmd->host_scribble = NULL;
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/* Fetch the sense data, and tuck it away, in the required slot. The
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Adaptec automatically fetches it, and there is no guarantee that
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we will still have it in the cdb when we come back */
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if (ccb[mbo].tarstat == 2)
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memcpy(SCtmp->sense_buffer, &ccb[mbo].cdb[ccb[mbo].cdblen],
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memcpy(tmp_cmd->sense_buffer, &ccb[mbo].cdb[ccb[mbo].cdblen],
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SCSI_SENSE_BUFFERSIZE);
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@ -435,10 +435,10 @@ static void aha1542_intr_handle(struct Scsi_Host *shost)
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*/
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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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aha1542->SCint[mbo] = NULL; /* This effectively frees up the mailbox slot, as
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tmp_cmd->result = errstatus;
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aha1542->int_cmds[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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my_done(tmp_cmd);
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number_serviced++;
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};
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}
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@ -455,14 +455,14 @@ static irqreturn_t do_aha1542_intr_handle(int dummy, void *dev_id)
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return IRQ_HANDLED;
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}
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static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *))
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static int aha1542_queuecommand_lck(struct scsi_cmnd *cmd, void (*done) (struct scsi_cmnd *))
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{
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struct aha1542_hostdata *aha1542 = shost_priv(SCpnt->device->host);
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struct aha1542_hostdata *aha1542 = shost_priv(cmd->device->host);
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u8 direction;
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u8 target = SCpnt->device->id;
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u8 lun = SCpnt->device->lun;
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u8 target = cmd->device->id;
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u8 lun = cmd->device->lun;
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unsigned long flags;
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int bufflen = scsi_bufflen(SCpnt);
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int bufflen = scsi_bufflen(cmd);
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int mbo;
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struct mailbox *mb = aha1542->mb;
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struct ccb *ccb = aha1542->ccb;
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@ -470,33 +470,33 @@ static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *
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DEB(int i);
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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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cmd->result = DID_TIME_OUT << 16;
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done(cmd); return 0;
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}
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);
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if (*SCpnt->cmnd == REQUEST_SENSE) {
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if (*cmd->cmnd == REQUEST_SENSE) {
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/* Don't do the command - we have the sense data already */
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SCpnt->result = 0;
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done(SCpnt);
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cmd->result = 0;
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done(cmd);
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return 0;
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}
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#ifdef DEBUG
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if (*SCpnt->cmnd == READ_10 || *SCpnt->cmnd == WRITE_10)
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i = xscsi2int(SCpnt->cmnd + 2);
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else if (*SCpnt->cmnd == READ_6 || *SCpnt->cmnd == WRITE_6)
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i = scsi2int(SCpnt->cmnd + 2);
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if (*cmd->cmnd == READ_10 || *cmd->cmnd == WRITE_10)
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i = xscsi2int(cmd->cmnd + 2);
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else if (*cmd->cmnd == READ_6 || *cmd->cmnd == WRITE_6)
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i = scsi2int(cmd->cmnd + 2);
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else
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i = -1;
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if (done)
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printk(KERN_DEBUG "aha1542_queuecommand: dev %d cmd %02x pos %d len %d ", target, *SCpnt->cmnd, i, bufflen);
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printk(KERN_DEBUG "aha1542_queuecommand: dev %d cmd %02x pos %d len %d ", target, *cmd->cmnd, i, bufflen);
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else
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printk(KERN_DEBUG "aha1542_command: dev %d cmd %02x pos %d len %d ", target, *SCpnt->cmnd, i, bufflen);
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printk(KERN_DEBUG "aha1542_command: dev %d cmd %02x pos %d len %d ", target, *cmd->cmnd, i, bufflen);
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printk(KERN_DEBUG "aha1542_queuecommand: dumping scsi cmd:");
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for (i = 0; i < SCpnt->cmd_len; i++)
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printk("%02x ", SCpnt->cmnd[i]);
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for (i = 0; i < cmd->cmd_len; i++)
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printk("%02x ", cmd->cmnd[i]);
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printk("\n");
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if (*SCpnt->cmnd == WRITE_10 || *SCpnt->cmnd == WRITE_6)
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if (*cmd->cmnd == WRITE_10 || *cmd->cmnd == WRITE_6)
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return 0; /* we are still testing, so *don't* write */
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#endif
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/* Use the outgoing mailboxes in a round-robin fashion, because this
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@ -508,17 +508,17 @@ static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *
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mbo = 0;
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do {
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if (mb[mbo].status == 0 && aha1542->SCint[mbo] == NULL)
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if (mb[mbo].status == 0 && aha1542->int_cmds[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 != aha1542->aha1542_last_mbo_used);
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if (mb[mbo].status || aha1542->SCint[mbo])
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if (mb[mbo].status || aha1542->int_cmds[mbo])
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panic("Unable to find empty mailbox for aha1542.\n");
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aha1542->SCint[mbo] = SCpnt; /* This will effectively prevent someone else from
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aha1542->int_cmds[mbo] = cmd; /* This will effectively prevent someone else from
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screwing with this cdb. */
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aha1542->aha1542_last_mbo_used = mbo;
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@ -532,15 +532,15 @@ static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *
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memset(&ccb[mbo], 0, sizeof(struct ccb));
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ccb[mbo].cdblen = SCpnt->cmd_len;
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ccb[mbo].cdblen = cmd->cmd_len;
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direction = 0;
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if (*SCpnt->cmnd == READ_10 || *SCpnt->cmnd == READ_6)
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if (*cmd->cmnd == READ_10 || *cmd->cmnd == READ_6)
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direction = 8;
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else if (*SCpnt->cmnd == WRITE_10 || *SCpnt->cmnd == WRITE_6)
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else if (*cmd->cmnd == WRITE_10 || *cmd->cmnd == WRITE_6)
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direction = 16;
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memcpy(ccb[mbo].cdb, SCpnt->cmnd, ccb[mbo].cdblen);
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memcpy(ccb[mbo].cdb, cmd->cmnd, ccb[mbo].cdblen);
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if (bufflen) {
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struct scatterlist *sg;
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@ -548,17 +548,17 @@ static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *
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#ifdef DEBUG
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unsigned char *ptr;
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#endif
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int i, sg_count = scsi_sg_count(SCpnt);
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int i, sg_count = scsi_sg_count(cmd);
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ccb[mbo].op = 2; /* SCSI Initiator Command w/scatter-gather */
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SCpnt->host_scribble = kmalloc(sizeof(*cptr)*sg_count,
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cmd->host_scribble = kmalloc(sizeof(*cptr)*sg_count,
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GFP_KERNEL | GFP_DMA);
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cptr = (struct chain *) SCpnt->host_scribble;
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cptr = (struct chain *) cmd->host_scribble;
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if (cptr == NULL) {
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/* free the claimed mailbox slot */
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aha1542->SCint[mbo] = NULL;
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aha1542->int_cmds[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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scsi_for_each_sg(cmd, sg, sg_count, i) {
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any2scsi(cptr[i].dataptr, isa_page_to_bus(sg_page(sg))
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+ sg->offset);
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any2scsi(cptr[i].datalen, sg->length);
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@ -573,7 +573,7 @@ static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *
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#endif
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} else {
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ccb[mbo].op = 0; /* SCSI Initiator Command */
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SCpnt->host_scribble = NULL;
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cmd->host_scribble = NULL;
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any2scsi(ccb[mbo].datalen, 0);
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any2scsi(ccb[mbo].dataptr, 0);
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};
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@ -593,9 +593,9 @@ static int aha1542_queuecommand_lck(Scsi_Cmnd * SCpnt, void (*done) (Scsi_Cmnd *
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if (done) {
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DEB(printk("aha1542_queuecommand: now waiting for interrupt "));
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SCpnt->scsi_done = done;
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cmd->scsi_done = done;
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mb[mbo].status = 1;
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aha1542_outb(SCpnt->device->host->io_port, CMD_START_SCSI);
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aha1542_outb(cmd->device->host->io_port, CMD_START_SCSI);
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} else
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printk("aha1542_queuecommand: done can't be NULL\n");
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@ -908,13 +908,13 @@ static int aha1542_release(struct Scsi_Host *shost)
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* This is a device reset. This is handled by sending a special command
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* to the device.
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*/
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static int aha1542_dev_reset(Scsi_Cmnd * SCpnt)
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static int aha1542_dev_reset(struct scsi_cmnd *cmd)
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{
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struct aha1542_hostdata *aha1542 = shost_priv(SCpnt->device->host);
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struct aha1542_hostdata *aha1542 = shost_priv(cmd->device->host);
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unsigned long flags;
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struct mailbox *mb = aha1542->mb;
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u8 target = SCpnt->device->id;
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u8 lun = SCpnt->device->lun;
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u8 target = cmd->device->id;
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u8 lun = cmd->device->lun;
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int mbo;
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struct ccb *ccb = aha1542->ccb;
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@ -924,17 +924,17 @@ static int aha1542_dev_reset(Scsi_Cmnd * SCpnt)
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mbo = 0;
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do {
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if (mb[mbo].status == 0 && aha1542->SCint[mbo] == NULL)
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if (mb[mbo].status == 0 && aha1542->int_cmds[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 != aha1542->aha1542_last_mbo_used);
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if (mb[mbo].status || aha1542->SCint[mbo])
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if (mb[mbo].status || aha1542->int_cmds[mbo])
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panic("Unable to find empty mailbox for aha1542.\n");
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aha1542->SCint[mbo] = SCpnt; /* This will effectively
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aha1542->int_cmds[mbo] = cmd; /* This will effectively
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prevent someone else from
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screwing with this cdb. */
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@ -956,17 +956,17 @@ static int aha1542_dev_reset(Scsi_Cmnd * SCpnt)
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* Now tell the 1542 to flush all pending commands for this
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* target
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*/
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aha1542_outb(SCpnt->device->host->io_port, CMD_START_SCSI);
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aha1542_outb(cmd->device->host->io_port, CMD_START_SCSI);
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scmd_printk(KERN_WARNING, SCpnt,
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scmd_printk(KERN_WARNING, cmd,
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"Trying device reset for target\n");
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return SUCCESS;
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}
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static int aha1542_reset(Scsi_Cmnd *SCpnt, u8 reset_cmd)
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static int aha1542_reset(struct scsi_cmnd *cmd, u8 reset_cmd)
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{
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struct aha1542_hostdata *aha1542 = shost_priv(SCpnt->device->host);
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struct aha1542_hostdata *aha1542 = shost_priv(cmd->device->host);
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int i;
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/*
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@ -975,7 +975,7 @@ static int aha1542_reset(Scsi_Cmnd *SCpnt, u8 reset_cmd)
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* we do this? Try this first, and we can add that later
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* if it turns out to be useful.
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*/
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outb(reset_cmd, CONTROL(SCpnt->device->host->io_port));
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outb(reset_cmd, CONTROL(cmd->device->host->io_port));
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/*
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* Wait for the thing to settle down a bit. Unfortunately
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@ -985,11 +985,11 @@ static int aha1542_reset(Scsi_Cmnd *SCpnt, u8 reset_cmd)
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* we are pretty desperate anyways.
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*/
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ssleep(4);
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spin_lock_irq(SCpnt->device->host->host_lock);
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spin_lock_irq(cmd->device->host->host_lock);
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if (!wait_mask(STATUS(SCpnt->device->host->io_port),
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if (!wait_mask(STATUS(cmd->device->host->io_port),
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STATMASK, INIT | IDLE, STST | DIAGF | INVDCMD | DF | CDF, 0)) {
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spin_unlock_irq(SCpnt->device->host->host_lock);
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spin_unlock_irq(cmd->device->host->host_lock);
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return FAILED;
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}
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/*
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@ -997,21 +997,21 @@ static int aha1542_reset(Scsi_Cmnd *SCpnt, u8 reset_cmd)
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* us again after host reset.
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*/
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if (reset_cmd & HRST)
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setup_mailboxes(SCpnt->device->host->io_port, SCpnt->device->host);
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setup_mailboxes(cmd->device->host->io_port, cmd->device->host);
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/*
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* Now try to pick up the pieces. For all pending commands,
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* free any internal data structures, and basically clear things
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* out. We do not try and restart any commands or anything -
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* the strategy handler takes care of that crap.
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*/
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printk(KERN_WARNING "Sent BUS RESET to scsi host %d\n", SCpnt->device->host->host_no);
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printk(KERN_WARNING "Sent BUS RESET to scsi host %d\n", cmd->device->host->host_no);
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for (i = 0; i < AHA1542_MAILBOXES; i++) {
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if (aha1542->SCint[i] != NULL) {
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Scsi_Cmnd *SCtmp;
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SCtmp = aha1542->SCint[i];
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if (aha1542->int_cmds[i] != NULL) {
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struct scsi_cmnd *tmp_cmd;
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tmp_cmd = aha1542->int_cmds[i];
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if (SCtmp->device->soft_reset) {
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if (tmp_cmd->device->soft_reset) {
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/*
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* If this device implements the soft reset option,
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* then it is still holding onto the command, and
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@ -1020,25 +1020,25 @@ static int aha1542_reset(Scsi_Cmnd *SCpnt, u8 reset_cmd)
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*/
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continue;
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}
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kfree(SCtmp->host_scribble);
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SCtmp->host_scribble = NULL;
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aha1542->SCint[i] = NULL;
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kfree(tmp_cmd->host_scribble);
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tmp_cmd->host_scribble = NULL;
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aha1542->int_cmds[i] = NULL;
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aha1542->mb[i].status = 0;
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}
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}
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spin_unlock_irq(SCpnt->device->host->host_lock);
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spin_unlock_irq(cmd->device->host->host_lock);
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return SUCCESS;
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}
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static int aha1542_bus_reset(Scsi_Cmnd *SCpnt)
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static int aha1542_bus_reset(struct scsi_cmnd *cmd)
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{
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return aha1542_reset(SCpnt, SCRST);
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return aha1542_reset(cmd, SCRST);
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}
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static int aha1542_host_reset(Scsi_Cmnd *SCpnt)
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static int aha1542_host_reset(struct scsi_cmnd *cmd)
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{
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return aha1542_reset(SCpnt, HRST | SCRST);
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return aha1542_reset(cmd, HRST | SCRST);
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}
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static int aha1542_biosparam(struct scsi_device *sdev,
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