diff options
Diffstat (limited to 'drivers/block/cciss.c')
| -rw-r--r-- | drivers/block/cciss.c | 611 |
1 files changed, 304 insertions, 307 deletions
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c index 2abe6df9445..70ad24f3604 100644 --- a/drivers/block/cciss.c +++ b/drivers/block/cciss.c @@ -191,17 +191,17 @@ static int rebuild_lun_table(ctlr_info_t *h, int first_time, int via_ioctl); static int deregister_disk(ctlr_info_t *h, int drv_index, int clear_all, int via_ioctl); -static void cciss_read_capacity(int ctlr, int logvol, +static void cciss_read_capacity(ctlr_info_t *h, int logvol, sector_t *total_size, unsigned int *block_size); -static void cciss_read_capacity_16(int ctlr, int logvol, +static void cciss_read_capacity_16(ctlr_info_t *h, int logvol, sector_t *total_size, unsigned int *block_size); -static void cciss_geometry_inquiry(int ctlr, int logvol, +static void cciss_geometry_inquiry(ctlr_info_t *h, int logvol, sector_t total_size, unsigned int block_size, InquiryData_struct *inq_buff, drive_info_struct *drv); static void __devinit cciss_interrupt_mode(ctlr_info_t *); static void start_io(ctlr_info_t *h); -static int sendcmd_withirq(__u8 cmd, int ctlr, void *buff, size_t size, +static int sendcmd_withirq(ctlr_info_t *h, __u8 cmd, void *buff, size_t size, __u8 page_code, unsigned char scsi3addr[], int cmd_type); static int sendcmd_withirq_core(ctlr_info_t *h, CommandList_struct *c, @@ -229,9 +229,9 @@ static void calc_bucket_map(int *bucket, int num_buckets, int nsgs, static void cciss_put_controller_into_performant_mode(ctlr_info_t *h); #ifdef CONFIG_PROC_FS -static void cciss_procinit(int i); +static void cciss_procinit(ctlr_info_t *h); #else -static void cciss_procinit(int i) +static void cciss_procinit(ctlr_info_t *h) { } #endif /* CONFIG_PROC_FS */ @@ -416,26 +416,25 @@ static void cciss_seq_show_header(struct seq_file *seq) h->maxQsinceinit, h->max_outstanding, h->maxSG); #ifdef CONFIG_CISS_SCSI_TAPE - cciss_seq_tape_report(seq, h->ctlr); + cciss_seq_tape_report(seq, h); #endif /* CONFIG_CISS_SCSI_TAPE */ } static void *cciss_seq_start(struct seq_file *seq, loff_t *pos) { ctlr_info_t *h = seq->private; - unsigned ctlr = h->ctlr; unsigned long flags; /* prevent displaying bogus info during configuration * or deconfiguration of a logical volume */ - spin_lock_irqsave(CCISS_LOCK(ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) { - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return ERR_PTR(-EBUSY); } h->busy_configuring = 1; - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); if (*pos == 0) cciss_seq_show_header(seq); @@ -543,7 +542,7 @@ cciss_proc_write(struct file *file, const char __user *buf, struct seq_file *seq = file->private_data; ctlr_info_t *h = seq->private; - err = cciss_engage_scsi(h->ctlr); + err = cciss_engage_scsi(h); if (err == 0) err = length; } else @@ -566,7 +565,7 @@ static const struct file_operations cciss_proc_fops = { .write = cciss_proc_write, }; -static void __devinit cciss_procinit(int i) +static void __devinit cciss_procinit(ctlr_info_t *h) { struct proc_dir_entry *pde; @@ -574,9 +573,9 @@ static void __devinit cciss_procinit(int i) proc_cciss = proc_mkdir("driver/cciss", NULL); if (!proc_cciss) return; - pde = proc_create_data(hba[i]->devname, S_IWUSR | S_IRUSR | S_IRGRP | + pde = proc_create_data(h->devname, S_IWUSR | S_IRUSR | S_IRGRP | S_IROTH, proc_cciss, - &cciss_proc_fops, hba[i]); + &cciss_proc_fops, h); } #endif /* CONFIG_PROC_FS */ @@ -609,12 +608,12 @@ static ssize_t dev_show_unique_id(struct device *dev, unsigned long flags; int ret = 0; - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) ret = -EBUSY; else memcpy(sn, drv->serial_no, sizeof(sn)); - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); if (ret) return ret; @@ -639,12 +638,12 @@ static ssize_t dev_show_vendor(struct device *dev, unsigned long flags; int ret = 0; - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) ret = -EBUSY; else memcpy(vendor, drv->vendor, VENDOR_LEN + 1); - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); if (ret) return ret; @@ -663,12 +662,12 @@ static ssize_t dev_show_model(struct device *dev, unsigned long flags; int ret = 0; - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) ret = -EBUSY; else memcpy(model, drv->model, MODEL_LEN + 1); - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); if (ret) return ret; @@ -687,12 +686,12 @@ static ssize_t dev_show_rev(struct device *dev, unsigned long flags; int ret = 0; - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) ret = -EBUSY; else memcpy(rev, drv->rev, REV_LEN + 1); - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); if (ret) return ret; @@ -709,17 +708,17 @@ static ssize_t cciss_show_lunid(struct device *dev, unsigned long flags; unsigned char lunid[8]; - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) { - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return -EBUSY; } if (!drv->heads) { - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return -ENOTTY; } memcpy(lunid, drv->LunID, sizeof(lunid)); - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return snprintf(buf, 20, "0x%02x%02x%02x%02x%02x%02x%02x%02x\n", lunid[0], lunid[1], lunid[2], lunid[3], lunid[4], lunid[5], lunid[6], lunid[7]); @@ -734,13 +733,13 @@ static ssize_t cciss_show_raid_level(struct device *dev, int raid; unsigned long flags; - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) { - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return -EBUSY; } raid = drv->raid_level; - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); if (raid < 0 || raid > RAID_UNKNOWN) raid = RAID_UNKNOWN; @@ -757,13 +756,13 @@ static ssize_t cciss_show_usage_count(struct device *dev, unsigned long flags; int count; - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) { - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return -EBUSY; } count = drv->usage_count; - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return snprintf(buf, 20, "%d\n", count); } static DEVICE_ATTR(usage_count, S_IRUGO, cciss_show_usage_count, NULL); @@ -1012,7 +1011,7 @@ static inline drive_info_struct *get_drv(struct gendisk *disk) */ static int cciss_open(struct block_device *bdev, fmode_t mode) { - ctlr_info_t *host = get_host(bdev->bd_disk); + ctlr_info_t *h = get_host(bdev->bd_disk); drive_info_struct *drv = get_drv(bdev->bd_disk); #ifdef CCISS_DEBUG @@ -1044,7 +1043,7 @@ static int cciss_open(struct block_device *bdev, fmode_t mode) return -EPERM; } drv->usage_count++; - host->usage_count++; + h->usage_count++; return 0; } @@ -1064,11 +1063,11 @@ static int cciss_unlocked_open(struct block_device *bdev, fmode_t mode) */ static int cciss_release(struct gendisk *disk, fmode_t mode) { - ctlr_info_t *host; + ctlr_info_t *h; drive_info_struct *drv; lock_kernel(); - host = get_host(disk); + h = get_host(disk); drv = get_drv(disk); #ifdef CCISS_DEBUG @@ -1076,7 +1075,7 @@ static int cciss_release(struct gendisk *disk, fmode_t mode) #endif /* CCISS_DEBUG */ drv->usage_count--; - host->usage_count--; + h->usage_count--; unlock_kernel(); return 0; } @@ -1223,11 +1222,11 @@ static int cciss_getgeo(struct block_device *bdev, struct hd_geometry *geo) return 0; } -static void check_ioctl_unit_attention(ctlr_info_t *host, CommandList_struct *c) +static void check_ioctl_unit_attention(ctlr_info_t *h, CommandList_struct *c) { if (c->err_info->CommandStatus == CMD_TARGET_STATUS && c->err_info->ScsiStatus != SAM_STAT_CHECK_CONDITION) - (void)check_for_unit_attention(host, c); + (void)check_for_unit_attention(h, c); } /* * ioctl @@ -1236,9 +1235,8 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd, unsigned long arg) { struct gendisk *disk = bdev->bd_disk; - ctlr_info_t *host = get_host(disk); + ctlr_info_t *h = get_host(disk); drive_info_struct *drv = get_drv(disk); - int ctlr = host->ctlr; void __user *argp = (void __user *)arg; #ifdef CCISS_DEBUG @@ -1252,10 +1250,10 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, if (!arg) return -EINVAL; - pciinfo.domain = pci_domain_nr(host->pdev->bus); - pciinfo.bus = host->pdev->bus->number; - pciinfo.dev_fn = host->pdev->devfn; - pciinfo.board_id = host->board_id; + pciinfo.domain = pci_domain_nr(h->pdev->bus); + pciinfo.bus = h->pdev->bus->number; + pciinfo.dev_fn = h->pdev->devfn; + pciinfo.board_id = h->board_id; if (copy_to_user (argp, &pciinfo, sizeof(cciss_pci_info_struct))) return -EFAULT; @@ -1267,9 +1265,9 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, if (!arg) return -EINVAL; intinfo.delay = - readl(&host->cfgtable->HostWrite.CoalIntDelay); + readl(&h->cfgtable->HostWrite.CoalIntDelay); intinfo.count = - readl(&host->cfgtable->HostWrite.CoalIntCount); + readl(&h->cfgtable->HostWrite.CoalIntCount); if (copy_to_user (argp, &intinfo, sizeof(cciss_coalint_struct))) return -EFAULT; @@ -1293,22 +1291,22 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, // printk("cciss_ioctl: delay and count cannot be 0\n"); return -EINVAL; } - spin_lock_irqsave(CCISS_LOCK(ctlr), flags); + spin_lock_irqsave(&h->lock, flags); /* Update the field, and then ring the doorbell */ writel(intinfo.delay, - &(host->cfgtable->HostWrite.CoalIntDelay)); + &(h->cfgtable->HostWrite.CoalIntDelay)); writel(intinfo.count, - &(host->cfgtable->HostWrite.CoalIntCount)); - writel(CFGTBL_ChangeReq, host->vaddr + SA5_DOORBELL); + &(h->cfgtable->HostWrite.CoalIntCount)); + writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL); for (i = 0; i < MAX_IOCTL_CONFIG_WAIT; i++) { - if (!(readl(host->vaddr + SA5_DOORBELL) + if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq)) break; /* delay and try again */ udelay(1000); } - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); if (i >= MAX_IOCTL_CONFIG_WAIT) return -EAGAIN; return 0; @@ -1322,7 +1320,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, return -EINVAL; for (i = 0; i < 16; i++) NodeName[i] = - readb(&host->cfgtable->ServerName[i]); + readb(&h->cfgtable->ServerName[i]); if (copy_to_user(argp, NodeName, sizeof(NodeName_type))) return -EFAULT; return 0; @@ -1342,23 +1340,23 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, (NodeName, argp, sizeof(NodeName_type))) return -EFAULT; - spin_lock_irqsave(CCISS_LOCK(ctlr), flags); + spin_lock_irqsave(&h->lock, flags); /* Update the field, and then ring the doorbell */ for (i = 0; i < 16; i++) writeb(NodeName[i], - &host->cfgtable->ServerName[i]); + &h->cfgtable->ServerName[i]); - writel(CFGTBL_ChangeReq, host->vaddr + SA5_DOORBELL); + writel(CFGTBL_ChangeReq, h->vaddr + SA5_DOORBELL); for (i = 0; i < MAX_IOCTL_CONFIG_WAIT; i++) { - if (!(readl(host->vaddr + SA5_DOORBELL) + if (!(readl(h->vaddr + SA5_DOORBELL) & CFGTBL_ChangeReq)) break; /* delay and try again */ udelay(1000); } - spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); if (i >= MAX_IOCTL_CONFIG_WAIT) return -EAGAIN; return 0; @@ -1370,7 +1368,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, if (!arg) return -EINVAL; - heartbeat = readl(&host->cfgtable->HeartBeat); + heartbeat = readl(&h->cfgtable->HeartBeat); if (copy_to_user (argp, &heartbeat, sizeof(Heartbeat_type))) return -EFAULT; @@ -1382,7 +1380,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, if (!arg) return -EINVAL; - BusTypes = readl(&host->cfgtable->BusTypes); + BusTypes = readl(&h->cfgtable->BusTypes); if (copy_to_user (argp, &BusTypes, sizeof(BusTypes_type))) return -EFAULT; @@ -1394,7 +1392,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, if (!arg) return -EINVAL; - memcpy(firmware, host->firm_ver, 4); + memcpy(firmware, h->firm_ver, 4); if (copy_to_user (argp, firmware, sizeof(FirmwareVer_type))) @@ -1417,7 +1415,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, case CCISS_DEREGDISK: case CCISS_REGNEWD: case CCISS_REVALIDVOLS: - return rebuild_lun_table(host, 0, 1); + return rebuild_lun_table(h, 0, 1); case CCISS_GETLUNINFO:{ LogvolInfo_struct luninfo; @@ -1472,7 +1470,8 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, } else { memset(buff, 0, iocommand.buf_size); } - if ((c = cmd_alloc(host, 0)) == NULL) { + c = cmd_alloc(h, 0); + if (!c) { kfree(buff); return -ENOMEM; } @@ -1498,7 +1497,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, /* Fill in the scatter gather information */ if (iocommand.buf_size > 0) { - temp64.val = pci_map_single(host->pdev, buff, + temp64.val = pci_map_single(h->pdev, buff, iocommand.buf_size, PCI_DMA_BIDIRECTIONAL); c->SG[0].Addr.lower = temp64.val32.lower; @@ -1508,24 +1507,24 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, } c->waiting = &wait; - enqueue_cmd_and_start_io(host, c); + enqueue_cmd_and_start_io(h, c); wait_for_completion(&wait); /* unlock the buffers from DMA */ temp64.val32.lower = c->SG[0].Addr.lower; temp64.val32.upper = c->SG[0].Addr.upper; - pci_unmap_single(host->pdev, (dma_addr_t) temp64.val, + pci_unmap_single(h->pdev, (dma_addr_t) temp64.val, iocommand.buf_size, PCI_DMA_BIDIRECTIONAL); - check_ioctl_unit_attention(host, c); + check_ioctl_unit_attention(h, c); /* Copy the error information out */ iocommand.error_info = *(c->err_info); if (copy_to_user (argp, &iocommand, sizeof(IOCTL_Command_struct))) { kfree(buff); - cmd_free(host, c, 0); + cmd_free(h, c, 0); return -EFAULT; } @@ -1534,12 +1533,12 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, if (copy_to_user (iocommand.buf, buff, iocommand.buf_size)) { kfree(buff); - cmd_free(host, c, 0); + cmd_free(h, c, 0); return -EFAULT; } } kfree(buff); - cmd_free(host, c, 0); + cmd_free(h, c, 0); return 0; } case CCISS_BIG_PASSTHRU:{ @@ -1621,7 +1620,8 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, data_ptr += sz; sg_used++; } - if ((c = cmd_alloc(host, 0)) == NULL) { + c = cmd_alloc(h, 0); + if (!c) { status = -ENOMEM; goto cleanup1; } @@ -1642,7 +1642,7 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, if (ioc->buf_size > 0) { for (i = 0; i < sg_used; i++) { temp64.val = - pci_map_single(host->pdev, buff[i], + pci_map_single(h->pdev, buff[i], buff_size[i], PCI_DMA_BIDIRECTIONAL); c->SG[i].Addr.lower = @@ -1654,21 +1654,21 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, } } c->waiting = &wait; - enqueue_cmd_and_start_io(host, c); + enqueue_cmd_and_start_io(h, c); wait_for_completion(&wait); /* unlock the buffers from DMA */ for (i = 0; i < sg_used; i++) { temp64.val32.lower = c->SG[i].Addr.lower; temp64.val32.upper = c->SG[i].Addr.upper; - pci_unmap_single(host->pdev, + pci_unmap_single(h->pdev, (dma_addr_t) temp64.val, buff_size[i], PCI_DMA_BIDIRECTIONAL); } - check_ioctl_unit_attention(host, c); + check_ioctl_unit_attention(h, c); /* Copy the error information out */ ioc->error_info = *(c->err_info); if (copy_to_user(argp, ioc, sizeof(*ioc))) { - cmd_free(host, c, 0); + cmd_free(h, c, 0); status = -EFAULT; goto cleanup1; } @@ -1678,14 +1678,14 @@ static int cciss_ioctl(struct block_device *bdev, fmode_t mode, for (i = 0; i < sg_used; i++) { if (copy_to_user (ptr, buff[i], buff_size[i])) { - cmd_free(host, c, 0); + cmd_free(h, c, 0); status = -EFAULT; goto cleanup1; } ptr += buff_size[i]; } } - cmd_free(host, c, 0); + cmd_free(h, c, 0); status = 0; cleanup1: if (buff) { @@ -1773,26 +1773,26 @@ static void cciss_check_queues(ctlr_info_t *h) static void cciss_softirq_done(struct request *rq) { - CommandList_struct *cmd = rq->completion_data; - ctlr_info_t *h = hba[cmd->ctlr]; - SGDescriptor_struct *curr_sg = cmd->SG; + CommandList_struct *c = rq->completion_data; + ctlr_info_t *h = hba[c->ctlr]; + SGDescriptor_struct *curr_sg = c->SG; u64bit temp64; unsigned long flags; int i, ddir; int sg_index = 0; - if (cmd->Request.Type.Direction == XFER_READ) + if (c->Request.Type.Direction == XFER_READ) ddir = PCI_DMA_FROMDEVICE; else ddir = PCI_DMA_TODEVICE; /* command did not need to be retried */ /* unmap the DMA mapping for all the scatter gather elements */ - for (i = 0; i < cmd->Header.SGList; i++) { + for (i = 0; i < c->Header.SGList; i++) { if (curr_sg[sg_index].Ext == CCISS_SG_CHAIN) { - cciss_unmap_sg_chain_block(h, cmd); + cciss_unmap_sg_chain_block(h, c); /* Point to the next block */ - curr_sg = h->cmd_sg_list[cmd->cmdindex]; + curr_sg = h->cmd_sg_list[c->cmdindex]; sg_index = 0; } temp64.val32.lower = curr_sg[sg_index].Addr.lower; @@ -1808,12 +1808,12 @@ static void cciss_softirq_done(struct request *rq) /* set the residual count for pc requests */ if (rq->cmd_type == REQ_TYPE_BLOCK_PC) - rq->resid_len = cmd->err_info->ResidualCnt; + rq->resid_len = c->err_info->ResidualCnt; blk_end_request_all(rq, (rq->errors == 0) ? 0 : -EIO); spin_lock_irqsave(&h->lock, flags); - cmd_free(h, cmd, 1); + cmd_free(h, c, 1); cciss_check_queues(h); spin_unlock_irqrestore(&h->lock, flags); } @@ -1829,7 +1829,7 @@ static inline void log_unit_to_scsi3addr(ctlr_info_t *h, * via the inquiry page 0. Model, vendor, and rev are set to empty strings if * they cannot be read. */ -static void cciss_get_device_descr(int ctlr, int logvol, +static void cciss_get_device_descr(ctlr_info_t *h, int logvol, char *vendor, char *model, char *rev) { int rc; @@ -1844,8 +1844,8 @@ static void cciss_get_device_descr(int ctlr, int logvol, if (!inq_buf) return; - log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol); - rc = sendcmd_withirq(CISS_INQUIRY, ctlr, inq_buf, sizeof(*inq_buf), 0, + log_unit_to_scsi3addr(h, scsi3addr, logvol); + rc = sendcmd_withirq(h, CISS_INQUIRY, inq_buf, sizeof(*inq_buf), 0, scsi3addr, TYPE_CMD); if (rc == IO_OK) { memcpy(vendor, &inq_buf->data_byte[8], VENDOR_LEN); @@ -1865,7 +1865,7 @@ static void cciss_get_device_descr(int ctlr, int logvol, * number cannot be had, for whatever reason, 16 bytes of 0xff * are returned instead. */ -static void cciss_get_serial_no(int ctlr, int logvol, +static void cciss_get_serial_no(ctlr_info_t *h, int logvol, unsigned char *serial_no, int buflen) { #define PAGE_83_INQ_BYTES 64 @@ -1880,8 +1880,8 @@ static void cciss_get_serial_no(int ctlr, int logvol, if (!buf) return; memset(serial_no, 0, buflen); - log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol); - rc = sendcmd_withirq(CISS_INQUIRY, ctlr, buf, + log_unit_to_scsi3addr(h, scsi3addr, logvol); + rc = sendcmd_withirq(h, CISS_INQUIRY, buf, PAGE_83_INQ_BYTES, 0x83, scsi3addr, TYPE_CMD); if (rc == IO_OK) memcpy(serial_no, &buf[8], buflen); @@ -1947,10 +1947,9 @@ init_queue_failure: * is also the controller node. Any changes to disk 0 will show up on * the next reboot. */ -static void cciss_update_drive_info(int ctlr, int drv_index, int first_time, - int via_ioctl) +static void cciss_update_drive_info(ctlr_info_t *h, int drv_index, + int first_time, int via_ioctl) { - ctlr_info_t *h = hba[ctlr]; struct gendisk *disk; InquiryData_struct *inq_buff = NULL; unsigned int block_size; @@ -1967,16 +1966,16 @@ static void cciss_update_drive_info(int ctlr, int drv_index, int first_time, /* testing to see if 16-byte CDBs are already being used */ if (h->cciss_read == CCISS_READ_16) { - cciss_read_capacity_16(h->ctlr, drv_index, + cciss_read_capacity_16(h, drv_index, &total_size, &block_size); } else { - cciss_read_capacity(ctlr, drv_index, &total_size, &block_size); + cciss_read_capacity(h, drv_index, &total_size, &block_size); /* if read_capacity returns all F's this volume is >2TB */ /* in size so we switch to 16-byte CDB's for all */ /* read/write ops */ if (total_size == 0xFFFFFFFFULL) { - cciss_read_capacity_16(ctlr, drv_index, + cciss_read_capacity_16(h, drv_index, &total_size, &block_size); h->cciss_read = CCISS_READ_16; h->cciss_write = CCISS_WRITE_16; @@ -1986,14 +1985,14 @@ static void cciss_update_drive_info(int ctlr, int drv_index, int first_time, } } - cciss_geometry_inquiry(ctlr, drv_index, total_size, block_size, + cciss_geometry_inquiry(h, drv_index, total_size, block_size, inq_buff, drvinfo); drvinfo->block_size = block_size; drvinfo->nr_blocks = total_size + 1; - cciss_get_device_descr(ctlr, drv_index, drvinfo->vendor, + cciss_get_device_descr(h, drv_index, drvinfo->vendor, drvinfo->model, drvinfo->rev); - cciss_get_serial_no(ctlr, drv_index, drvinfo->serial_no, + cciss_get_serial_no(h, drv_index, drvinfo->serial_no, sizeof(drvinfo->serial_no)); /* Save the lunid in case we deregister the disk, below. */ memcpy(drvinfo->LunID, h->drv[drv_index]->LunID, @@ -2019,9 +2018,9 @@ static void cciss_update_drive_info(int ctlr, int drv_index, int first_time, */ if (h->drv[drv_index]->raid_level != -1 && drv_index != 0) { printk(KERN_WARNING "disk %d has changed.\n", drv_index); - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); h->drv[drv_index]->busy_configuring = 1; - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); /* deregister_disk sets h->drv[drv_index]->queue = NULL * which keeps the interrupt handler from starting @@ -2243,7 +2242,6 @@ error: static int rebuild_lun_table(ctlr_info_t *h, int first_time, int via_ioctl) { - int ctlr = h->ctlr; int num_luns; ReportLunData_struct *ld_buff = NULL; int return_code; @@ -2258,19 +2256,19 @@ static int rebuild_lun_table(ctlr_info_t *h, int first_time, return -EPERM; /* Set busy_configuring flag for this operation */ - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); if (h->busy_configuring) { - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return -EBUSY; } h->busy_configuring = 1; - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); ld_buff = kzalloc(sizeof(ReportLunData_struct), GFP_KERNEL); if (ld_buff == NULL) goto mem_msg; - return_code = sendcmd_withirq(CISS_REPORT_LOG, ctlr, ld_buff, + return_code = sendcmd_withirq(h, CISS_REPORT_LOG, ld_buff, sizeof(ReportLunData_struct), 0, CTLR_LUNID, TYPE_CMD); @@ -2317,9 +2315,9 @@ static int rebuild_lun_table(ctlr_info_t *h, int first_time, } if (!drv_found) { /* Deregister it from the OS, it's gone. */ - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); h->drv[i]->busy_configuring = 1; - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return_code = deregister_disk(h, i, 1, via_ioctl); if (h->drv[i] != NULL) h->drv[i]->busy_configuring = 0; @@ -2358,8 +2356,7 @@ static int rebuild_lun_table(ctlr_info_t *h, int first_time, if (drv_index == -1) goto freeret; } - cciss_update_drive_info(ctlr, drv_index, first_time, - via_ioctl); + cciss_update_drive_info(h, drv_index, first_time, via_ioctl); } /* end for */ freeret: @@ -2491,11 +2488,10 @@ static int deregister_disk(ctlr_info_t *h, int drv_index, return 0; } -static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff, +static int fill_cmd(ctlr_info_t *h, CommandList_struct *c, __u8 cmd, void *buff, size_t size, __u8 page_code, unsigned char *scsi3addr, int cmd_type) { - ctlr_info_t *h = hba[ctlr]; u64bit buff_dma_handle; int status = IO_OK; @@ -2580,7 +2576,8 @@ static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff, break; default: printk(KERN_WARNING - "cciss%d: Unknown Command 0x%c\n", ctlr, cmd); + "cciss%d: Unknown Command 0x%c\n", + h->ctlr, cmd); return IO_ERROR; } } else if (cmd_type == TYPE_MSG) { @@ -2613,12 +2610,13 @@ static int fill_cmd(CommandList_struct *c, __u8 cmd, int ctlr, void *buff, break; default: printk(KERN_WARNING - "cciss%d: unknown message type %d\n", ctlr, cmd); + "cciss%d: unknown message type %d\n", + h->ctlr, cmd); return IO_ERROR; } } else { printk(KERN_WARNING - "cciss%d: unknown command type %d\n", ctlr, cmd_type); + "cciss%d: unknown command type %d\n", h->ctlr, cmd_type); return IO_ERROR; } /* Fill in the scatter gather information */ @@ -2760,18 +2758,17 @@ command_done: return return_status; } -static int sendcmd_withirq(__u8 cmd, int ctlr, void *buff, size_t size, +static int sendcmd_withirq(ctlr_info_t *h, __u8 cmd, void *buff, size_t size, __u8 page_code, unsigned char scsi3addr[], int cmd_type) { - ctlr_info_t *h = hba[ctlr]; CommandList_struct *c; int return_status; c = cmd_alloc(h, 0); if (!c) return -ENOMEM; - return_status = fill_cmd(c, cmd, ctlr, buff, size, page_code, + return_status = fill_cmd(h, c, cmd, buff, size, page_code, scsi3addr, cmd_type); if (return_status == IO_OK) return_status = sendcmd_withirq_core(h, c, 1); @@ -2780,7 +2777,7 @@ static int sendcmd_withirq(__u8 cmd, int ctlr, void *buff, size_t size, return return_status; } -static void cciss_geometry_inquiry(int ctlr, int logvol, +static void cciss_geometry_inquiry(ctlr_info_t *h, int logvol, sector_t total_size, unsigned int block_size, InquiryData_struct *inq_buff, @@ -2791,8 +2788,8 @@ static void cciss_geometry_inquiry(int ctlr, int logvol, unsigned char scsi3addr[8]; memset(inq_buff, 0, sizeof(InquiryData_struct)); - log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol); - return_code = sendcmd_withirq(CISS_INQUIRY, ctlr, inq_buff, + log_unit_to_scsi3addr(h, scsi3addr, logvol); + return_code = sendcmd_withirq(h, CISS_INQUIRY, inq_buff, sizeof(*inq_buff), 0xC1, scsi3addr, TYPE_CMD); if (return_code == IO_OK) { if (inq_buff->data_byte[8] == 0xFF) { @@ -2826,7 +2823,7 @@ static void cciss_geometry_inquiry(int ctlr, int logvol, } static void -cciss_read_capacity(int ctlr, int logvol, sector_t *total_size, +cciss_read_capacity(ctlr_info_t *h, int logvol, sector_t *total_size, unsigned int *block_size) { ReadCapdata_struct *buf; @@ -2839,8 +2836,8 @@ cciss_read_capacity(int ctlr, int logvol, sector_t *total_size, return; } - log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol); - return_code = sendcmd_withirq(CCISS_READ_CAPACITY, ctlr, buf, + log_unit_to_scsi3addr(h, scsi3addr, logvol); + return_code = sendcmd_withirq(h, CCISS_READ_CAPACITY, buf, sizeof(ReadCapdata_struct), 0, scsi3addr, TYPE_CMD); if (return_code == IO_OK) { *total_size = be32_to_cpu(*(__be32 *) buf->total_size); @@ -2853,7 +2850,7 @@ cciss_read_capacity(int ctlr, int logvol, sector_t *total_size, kfree(buf); } -static void cciss_read_capacity_16(int ctlr, int logvol, +static void cciss_read_capacity_16(ctlr_info_t *h, int logvol, sector_t *total_size, unsigned int *block_size) { ReadCapdata_struct_16 *buf; @@ -2866,9 +2863,9 @@ static void cciss_read_capacity_16(int ctlr, int logvol, return; } - log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol); - return_code = sendcmd_withirq(CCISS_READ_CAPACITY_16, - ctlr, buf, sizeof(ReadCapdata_struct_16), + log_unit_to_scsi3addr(h, scsi3addr, logvol); + return_code = sendcmd_withirq(h, CCISS_READ_CAPACITY_16, + buf, sizeof(ReadCapdata_struct_16), 0, scsi3addr, TYPE_CMD); if (return_code == IO_OK) { *total_size = be64_to_cpu(*(__be64 *) buf->total_size); @@ -2910,13 +2907,13 @@ static int cciss_revalidate(struct gendisk *disk) return 1; } if (h->cciss_read == CCISS_READ_10) { - cciss_read_capacity(h->ctlr, logvol, + cciss_read_capacity(h, logvol, &total_size, &block_size); } else { - cciss_read_capacity_16(h->ctlr, logvol, + cciss_read_capacity_16(h, logvol, &total_size, &block_size); } - cciss_geometry_inquiry(h->ctlr, logvol, total_size, block_size, + cciss_geometry_inquiry(h, logvol, total_size, block_size, inq_buff, drv); blk_queue_logical_block_size(drv->queue, drv->block_size); @@ -2966,7 +2963,7 @@ static void start_io(ctlr_info_t *h) } } -/* Assumes that CCISS_LOCK(h->ctlr) is held. */ +/* Assumes that h->lock is held. */ /* Zeros out the error record and then resends the command back */ /* to the controller */ static inline void resend_cciss_cmd(ctlr_info_t *h, CommandList_struct *c) @@ -3494,7 +3491,7 @@ static irqreturn_t do_cciss_intx(int irq, void *dev_id) * If there are completed commands in the completion queue, * we had better do something about it. */ - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); while (interrupt_pending(h)) { raw_tag = get_next_completion(h); while (raw_tag != FIFO_EMPTY) { @@ -3505,7 +3502,7 @@ static irqreturn_t do_cciss_intx(int irq, void *dev_id) } } - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return IRQ_HANDLED; } @@ -3524,7 +3521,7 @@ static irqreturn_t do_cciss_msix_intr(int irq, void *dev_id) * If there are completed commands in the completion queue, * we had better do something about it. */ - spin_lock_irqsave(CCISS_LOCK(h->ctlr), flags); + spin_lock_irqsave(&h->lock, flags); raw_tag = get_next_completion(h); while (raw_tag != FIFO_EMPTY) { if (cciss_tag_contains_index(raw_tag)) @@ -3533,7 +3530,7 @@ static irqreturn_t do_cciss_msix_intr(int irq, void *dev_id) raw_tag = process_nonindexed_cmd(h, raw_tag); } - spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags); + spin_unlock_irqrestore(&h->lock, flags); return IRQ_HANDLED; } @@ -3961,7 +3958,7 @@ clean_up: * controllers that are capable. If not, we use IO-APIC mode. */ -static void __devinit cciss_interrupt_mode(ctlr_info_t *c) +static void __devinit cciss_interrupt_mode(ctlr_info_t *h) { #ifdef CONFIG_PCI_MSI int err; @@ -3970,18 +3967,18 @@ static void __devinit cciss_interrupt_mode(ctlr_info_t *c) }; /* Some boards advertise MSI but don't really support it */ - if ((c->board_id == 0x40700E11) || (c->board_id == 0x40800E11) || - (c->board_id == 0x40820E11) || (c->board_id == 0x40830E11)) + if ((h->board_id == 0x40700E11) || (h->board_id == 0x40800E11) || + (h->board_id == 0x40820E11) || (h->board_id == 0x40830E11)) goto default_int_mode; - if (pci_find_capability(c->pdev, PCI_CAP_ID_MSIX)) { - err = pci_enable_msix(c->pdev, cciss_msix_entries, 4); + if (pci_find_capability(h->pdev, PCI_CAP_ID_MSIX)) { + err = pci_enable_msix(h->pdev, cciss_msix_entries, 4); if (!err) { - c->intr[0] = cciss_msix_entries[0].vector; - c->intr[1] = cciss_msix_entries[1].vector; - c->intr[2] = cciss_msix_entries[2].vector; - c->intr[3] = cciss_msix_entries[3].vector; - c->msix_vector = 1; + h->intr[0] = cciss_msix_entries[0].vector; + h->intr[1] = cciss_msix_entries[1].vector; + h->intr[2] = cciss_msix_entries[2].vector; + h->intr[3] = cciss_msix_entries[3].vector; + h->msix_vector = 1; return; } if (err > 0) { @@ -3994,17 +3991,16 @@ static void __devinit cciss_interrupt_mode(ctlr_info_t *c) goto default_int_mode; } } - if (pci_find_capability(c->pdev, PCI_CAP_ID_MSI)) { - if (!pci_enable_msi(c->pdev)) { - c->msi_vector = 1; - } else { + if (pci_find_capability(h->pdev, PCI_CAP_ID_MSI)) { + if (!pci_enable_msi(h->pdev)) + h->msi_vector = 1; + else printk(KERN_WARNING "cciss: MSI init failed\n"); - } } default_int_mode: #endif /* CONFIG_PCI_MSI */ /* if we get here we're going to use the default interrupt mode */ - c->intr[PERF_MODE_INT] = c->pdev->irq; + h->intr[PERF_MODE_INT] = h->pdev->irq; return; } @@ -4190,28 +4186,28 @@ static inline void cciss_p600_dma_prefetch_quirk(ctlr_info_t *h) pci_write_config_dword(h->pdev, PCI_COMMAND_PARITY, dma_refetch); } -static int __devinit cciss_pci_init(ctlr_info_t *c) +static int __devinit cciss_pci_init(ctlr_info_t *h) { int prod_index, err; - prod_index = cciss_lookup_board_id(c->pdev, &c->board_id); + prod_index = cciss_lookup_board_id(h->pdev, &h->board_id); if (prod_index < 0) return -ENODEV; - c->product_name = products[prod_index].product_name; - c->access = *(products[prod_index].access); + h->product_name = products[prod_index].product_name; + h->access = *(products[prod_index].access); - if (cciss_board_disabled(c)) { + if (cciss_board_disabled(h)) { printk(KERN_WARNING "cciss: controller appears to be disabled\n"); return -ENODEV; } - err = pci_enable_device(c->pdev); + err = pci_enable_device(h->pdev); if (err) { printk(KERN_ERR "cciss: Unable to Enable PCI device\n"); return err; } - err = pci_request_regions(c->pdev, "cciss"); + err = pci_request_regions(h->pdev, "cciss"); if (err) { printk(KERN_ERR "cciss: Cannot obtain PCI resources, " "aborting\n"); @@ -4220,38 +4216,38 @@ static int __devinit cciss_pci_init(ctlr_info_t *c) #ifdef CCISS_DEBUG printk(KERN_INFO "command = %x\n", command); - printk(KERN_INFO "irq = %x\n", c->pdev->irq); - printk(KERN_INFO "board_id = %x\n", c->board_id); + printk(KERN_INFO "irq = %x\n", h->pdev->irq); + printk(KERN_INFO "board_id = %x\n", h->board_id); #endif /* CCISS_DEBUG */ /* If the kernel supports MSI/MSI-X we will try to enable that functionality, * else we use the IO-APIC interrupt assigned to us by system ROM. */ - cciss_interrupt_mode(c); - err = cciss_pci_find_memory_BAR(c->pdev, &c->paddr); + cciss_interrupt_mode(h); + err = cciss_pci_find_memory_BAR(h->pdev, &h->paddr); if (err) goto err_out_free_res; - c->vaddr = remap_pci_mem(c->paddr, 0x250); - if (!c->vaddr) { + h->vaddr = remap_pci_mem(h->paddr, 0x250); + if (!h->vaddr) { err = -ENOMEM; goto err_out_free_res; } - err = cciss_wait_for_board_ready(c); + err = cciss_wait_for_board_ready(h); if (err) goto err_out_free_res; - err = cciss_find_cfgtables(c); + err = cciss_find_cfgtables(h); if (err) goto err_out_free_res; - print_cfg_table(c->cfgtable); - cciss_find_board_params(c); + print_cfg_table(h->cfgtable); + cciss_find_board_params(h); - if (!CISS_signature_present(c)) { + if (!CISS_signature_present(h)) { err = -ENODEV; goto err_out_free_res; } - cciss_enable_scsi_prefetch(c); - cciss_p600_dma_prefetch_quirk(c); - cciss_put_controller_into_performant_mode(c); + cciss_enable_scsi_prefetch(h); + cciss_p600_dma_prefetch_quirk(h); + cciss_put_controller_into_performant_mode(h); return 0; err_out_free_res: @@ -4259,13 +4255,13 @@ err_out_free_res: * Deliberately omit pci_disable_device(): it does something nasty to * Smart Array controllers that pci_enable_device does not undo */ - if (c->transtable) - iounmap(c->transtable); - if (c->cfgtable) - iounmap(c->cfgtable); - if (c->vaddr) - iounmap(c->vaddr); - pci_release_regions(c->pdev); + if (h->transtable) + iounmap(h->transtable); + if (h->cfgtable) + iounmap(h->cfgtable); + if (h->vaddr) + iounmap(h->vaddr); + pci_release_regions(h->pdev); return err; } @@ -4278,12 +4274,12 @@ static int alloc_cciss_hba(void) for (i = 0; i < MAX_CTLR; i++) { if (!hba[i]) { - ctlr_info_t *p; + ctlr_info_t *h; - p = kzalloc(sizeof(ctlr_info_t), GFP_KERNEL); - if (!p) + h = kzalloc(sizeof(ctlr_info_t), GFP_KERNEL); + if (!h) goto Enomem; - hba[i] = p; + hba[i] = h; return i; } } @@ -4295,12 +4291,11 @@ Enomem: return -1; } -static void free_hba(int n) +static void free_hba(ctlr_info_t *h) { - ctlr_info_t *h = hba[n]; int i; - hba[n] = NULL; + hba[h->ctlr] = NULL; for (i = 0; i < h->highest_lun + 1; i++) if (h->gendisk[i] != NULL) put_disk(h->gendisk[i]); @@ -4651,6 +4646,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, int rc; int dac, return_code; InquiryData_struct *inq_buff; + ctlr_info_t *h; rc = cciss_init_reset_devices(pdev); if (rc) @@ -4659,21 +4655,22 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, if (i < 0) return -1; - hba[i]->pdev = pdev; - hba[i]->busy_initializing = 1; - INIT_HLIST_HEAD(&hba[i]->cmpQ); - INIT_HLIST_HEAD(&hba[i]->reqQ); - mutex_init(&hba[i]->busy_shutting_down); + h = hba[i]; + h->pdev = pdev; + h->busy_initializing = 1; + INIT_HLIST_HEAD(&h->cmpQ); + INIT_HLIST_HEAD(&h->reqQ); + mutex_init(&h->busy_shutting_down); - if (cciss_pci_init(hba[i]) != 0) + if (cciss_pci_init(h) != 0) goto clean_no_release_regions; - sprintf(hba[i]->devname, "cciss%d", i); - hba[i]->ctlr = i; + sprintf(h->devname, "cciss%d", i); + h->ctlr = i; - init_completion(&hba[i]->scan_wait); + init_completion(&h->scan_wait); - if (cciss_create_hba_sysfs_entry(hba[i])) + if (cciss_create_hba_sysfs_entry(h)) goto clean0; /* configure PCI DMA stuff */ @@ -4692,100 +4689,100 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, * 8 controller support. */ if (i < MAX_CTLR_ORIG) - hba[i]->major = COMPAQ_CISS_MAJOR + i; - rc = register_blkdev(hba[i]->major, hba[i]->devname); + h->major = COMPAQ_CISS_MAJOR + i; + rc = register_blkdev(h->major, h->devname); if (rc == -EBUSY || rc == -EINVAL) { printk(KERN_ERR "cciss: Unable to get major number %d for %s " - "on hba %d\n", hba[i]->major, hba[i]->devname, i); + "on hba %d\n", h->major, h->devname, i); goto clean1; } else { if (i >= MAX_CTLR_ORIG) - hba[i]->major = rc; + h->major = rc; } /* make sure the board interrupts are off */ - hba[i]->access.set_intr_mask(hba[i], CCISS_INTR_OFF); - if (hba[i]->msi_vector || hba[i]->msix_vector) { - if (request_irq(hba[i]->intr[PERF_MODE_INT], + h->access.set_intr_mask(h, CCISS_INTR_OFF); + if (h->msi_vector || h->msix_vector) { + if (request_irq(h->intr[PERF_MODE_INT], do_cciss_msix_intr, - IRQF_DISABLED, hba[i]->devname, hba[i])) { + IRQF_DISABLED, h->devname, h)) { printk(KERN_ERR "cciss: Unable to get irq %d for %s\n", - hba[i]->intr[PERF_MODE_INT], hba[i]->devname); + h->intr[PERF_MODE_INT], h->devname); goto clean2; } } else { - if (request_irq(hba[i]->intr[PERF_MODE_INT], do_cciss_intx, - IRQF_DISABLED, hba[i]->devname, hba[i])) { + if (request_irq(h->intr[PERF_MODE_INT], do_cciss_intx, + IRQF_DISABLED, h->devname, h)) { printk(KERN_ERR "cciss: Unable to get irq %d for %s\n", - hba[i]->intr[PERF_MODE_INT], hba[i]->devname); + h->intr[PERF_MODE_INT], h->devname); goto clean2; } } printk(KERN_INFO "%s: <0x%x> at PCI %s IRQ %d%s using DAC\n", - hba[i]->devname, pdev->device, pci_name(pdev), - hba[i]->intr[PERF_MODE_INT], dac ? "" : " not"); + h->devname, pdev->device, pci_name(pdev), + h->intr[PERF_MODE_INT], dac ? "" : " not"); - hba[i]->cmd_pool_bits = - kmalloc(DIV_ROUND_UP(hba[i]->nr_cmds, BITS_PER_LONG) + h->cmd_pool_bits = + kmalloc(DIV_ROUND_UP(h->nr_cmds, BITS_PER_LONG) * sizeof(unsigned long), GFP_KERNEL); - hba[i]->cmd_pool = (CommandList_struct *) - pci_alloc_consistent(hba[i]->pdev, - hba[i]->nr_cmds * sizeof(CommandList_struct), - &(hba[i]->cmd_pool_dhandle)); - hba[i]->errinfo_pool = (ErrorInfo_struct *) - pci_alloc_consistent(hba[i]->pdev, - hba[i]->nr_cmds * sizeof(ErrorInfo_struct), - &(hba[i]->errinfo_pool_dhandle)); - if ((hba[i]->cmd_pool_bits == NULL) - || (hba[i]->cmd_pool == NULL) - || (hba[i]->errinfo_pool == NULL)) { + h->cmd_pool = (CommandList_struct *) + pci_alloc_consistent(h->pdev, + h->nr_cmds * sizeof(CommandList_struct), + &(h->cmd_pool_dhandle)); + h->errinfo_pool = (ErrorInfo_struct *) + pci_alloc_consistent(h->pdev, + h->nr_cmds * sizeof(ErrorInfo_struct), + &(h->errinfo_pool_dhandle)); + if ((h->cmd_pool_bits == NULL) + || (h->cmd_pool == NULL) + || (h->errinfo_pool == NULL)) { printk(KERN_ERR "cciss: out of memory"); goto clean4; } /* Need space for temp scatter list */ - hba[i]->scatter_list = kmalloc(hba[i]->max_commands * + h->scatter_list = kmalloc(h->max_commands * sizeof(struct scatterlist *), GFP_KERNEL); - for (k = 0; k < hba[i]->nr_cmds; k++) { - hba[i]->scatter_list[k] = kmalloc(sizeof(struct scatterlist) * - hba[i]->maxsgentries, + for (k = 0; k < h->nr_cmds; k++) { + h->scatter_list[k] = kmalloc(sizeof(struct scatterlist) * + h->maxsgentries, GFP_KERNEL); - if (hba[i]->scatter_list[k] == NULL) { + if (h->scatter_list[k] == NULL) { printk(KERN_ERR "cciss%d: could not allocate " "s/g lists\n", i); goto clean4; } } - hba[i]->cmd_sg_list = cciss_allocate_sg_chain_blocks(hba[i], - hba[i]->chainsize, hba[i]->nr_cmds); - if (!hba[i]->cmd_sg_list && hba[i]->chainsize > 0) + h->cmd_sg_list = cciss_allocate_sg_chain_blocks(h, + h->chainsize, h->nr_cmds); + if (!h->cmd_sg_list && h->chainsize > 0) goto clean4; - spin_lock_init(&hba[i]->lock); + spin_lock_init(&h->lock); /* Initialize the pdev driver private data. - have it point to hba[i]. */ - pci_set_drvdata(pdev, hba[i]); + have it point to h. */ + pci_set_drvdata(pdev, h); /* command and error info recs zeroed out before they are used */ - memset(hba[i]->cmd_pool_bits, 0, - DIV_ROUND_UP(hba[i]->nr_cmds, BITS_PER_LONG) + memset(h->cmd_pool_bits, 0, + DIV_ROUND_UP(h->nr_cmds, BITS_PER_LONG) * sizeof(unsigned long)); - hba[i]->num_luns = 0; - hba[i]->highest_lun = -1; + h->num_luns = 0; + h->highest_lun = -1; for (j = 0; j < CISS_MAX_LUN; j++) { - hba[i]->drv[j] = NULL; - hba[i]->gendisk[j] = NULL; + h->drv[j] = NULL; + h->gendisk[j] = NULL; } - cciss_scsi_setup(i); + cciss_scsi_setup(h); /* Turn the interrupts on so we can service requests */ - hba[i]->access.set_intr_mask(hba[i], CCISS_INTR_ON); + h->access.set_intr_mask(h, CCISS_INTR_ON); /* Get the firmware version */ inq_buff = kzalloc(sizeof(InquiryData_struct), GFP_KERNEL); @@ -4794,59 +4791,59 @@ static int __devinit cciss_init_one(struct pci_dev *pdev, goto clean4; } - return_code = sendcmd_withirq(CISS_INQUIRY, i, inq_buff, + return_code = sendcmd_withirq(h, CISS_INQUIRY, inq_buff, sizeof(InquiryData_struct), 0, CTLR_LUNID, TYPE_CMD); if (return_code == IO_OK) { - hba[i]->firm_ver[0] = inq_buff->data_byte[32]; - hba[i]->firm_ver[1] = inq_buff->data_byte[33]; - hba[i]->firm_ver[2] = inq_buff->data_byte[34]; - hba[i]->firm_ver[3] = inq_buff->data_byte[35]; + h->firm_ver[0] = inq_buff->data_byte[32]; + h->firm_ver[1] = inq_buff->data_byte[33]; + h->firm_ver[2] = inq_buff->data_byte[34]; + h->firm_ver[3] = inq_buff->data_byte[35]; } else { /* send command failed */ printk(KERN_WARNING "cciss: unable to determine firmware" " version of controller\n"); } kfree(inq_buff); - cciss_procinit(i); + cciss_procinit(h); - hba[i]->cciss_max_sectors = 8192; + h->cciss_max_sectors = 8192; - rebuild_lun_table(hba[i], 1, 0); - hba[i]->busy_initializing = 0; + rebuild_lun_table(h, 1, 0); + h->busy_initializing = 0; return 1; clean4: - kfree(hba[i]->cmd_pool_bits); + kfree(h->cmd_pool_bits); /* Free up sg elements */ - for (k = 0; k < hba[i]->nr_cmds; k++) - kfree(hba[i]->scatter_list[k]); - kfree(hba[i]->scatter_list); - cciss_free_sg_chain_blocks(hba[i]->cmd_sg_list, hba[i]->nr_cmds); - if (hba[i]->cmd_pool) - pci_free_consistent(hba[i]->pdev, - hba[i]->nr_cmds * sizeof(CommandList_struct), - hba[i]->cmd_pool, hba[i]->cmd_pool_dhandle); - if (hba[i]->errinfo_pool) - pci_free_consistent(hba[i]->pdev, - hba[i]->nr_cmds * sizeof(ErrorInfo_struct), - hba[i]->errinfo_pool, - hba[i]->errinfo_pool_dhandle); - free_irq(hba[i]->intr[PERF_MODE_INT], hba[i]); + for (k = 0; k < h->nr_cmds; k++) + kfree(h->scatter_list[k]); + kfree(h->scatter_list); + cciss_free_sg_chain_blocks(h->cmd_sg_list, h->nr_cmds); + if (h->cmd_pool) + pci_free_consistent(h->pdev, + h->nr_cmds * sizeof(CommandList_struct), + h->cmd_pool, h->cmd_pool_dhandle); + if (h->errinfo_pool) + pci_free_consistent(h->pdev, + h->nr_cmds * sizeof(ErrorInfo_struct), + h->errinfo_pool, + h->errinfo_pool_dhandle); + free_irq(h->intr[PERF_MODE_INT], h); clean2: - unregister_blkdev(hba[i]->major, hba[i]->devname); + unregister_blkdev(h->major, h->devname); clean1: - cciss_destroy_hba_sysfs_entry(hba[i]); + cciss_destroy_hba_sysfs_entry(h); clean0: pci_release_regions(pdev); clean_no_release_regions: - hba[i]->busy_initializing = 0; + h->busy_initializing = 0; /* * Deliberately omit pci_disable_device(): it does something nasty to * Smart Array controllers that pci_enable_device does not undo */ pci_set_drvdata(pdev, NULL); - free_hba(i); + free_hba(h); return -1; } @@ -4866,7 +4863,7 @@ static void cciss_shutdown(struct pci_dev *pdev) } /* write all data in the battery backed cache to disk */ memset(flush_buf, 0, 4); - return_code = sendcmd_withirq(CCISS_CACHE_FLUSH, h->ctlr, flush_buf, + return_code = sendcmd_withirq(h, CCISS_CACHE_FLUSH, flush_buf, 4, 0, CTLR_LUNID, TYPE_CMD); kfree(flush_buf); if (return_code != IO_OK) @@ -4878,7 +4875,7 @@ static void cciss_shutdown(struct pci_dev *pdev) static void __devexit cciss_remove_one(struct pci_dev *pdev) { - ctlr_info_t *tmp_ptr; + ctlr_info_t *h; int i, j; if (pci_get_drvdata(pdev) == NULL) { @@ -4886,28 +4883,28 @@ static void __devexit cciss_remove_one(struct pci_dev *pdev) return; } - tmp_ptr = pci_get_drvdata(pdev); - i = tmp_ptr->ctlr; + h = pci_get_drvdata(pdev); + i = h->ctlr; if (hba[i] == NULL) { printk(KERN_ERR "cciss: device appears to " - "already be removed \n"); + "already be removed\n"); return; } - mutex_lock(&hba[i]->busy_shutting_down); + mutex_lock(&h->busy_shutting_down); - remove_from_scan_list(hba[i]); - remove_proc_entry(hba[i]->devname, proc_cciss); - unregister_blkdev(hba[i]->major, hba[i]->devname); + remove_from_scan_list(h); + remove_proc_entry(h->devname, proc_cciss); + unregister_blkdev(h->major, h->devname); /* remove it from the disk list */ for (j = 0; j < CISS_MAX_LUN; j++) { - struct gendisk *disk = hba[i]->gendisk[j]; + struct gendisk *disk = h->gendisk[j]; if (disk) { struct request_queue *q = disk->queue; if (disk->flags & GENHD_FL_UP) { - cciss_destroy_ld_sysfs_entry(hba[i], j, 1); + cciss_destroy_ld_sysfs_entry(h, j, 1); del_gendisk(disk); } if (q) @@ -4916,41 +4913,41 @@ static void __devexit cciss_remove_one(struct pci_dev *pdev) } #ifdef CONFIG_CISS_SCSI_TAPE - cciss_unregister_scsi(i); /* unhook from SCSI subsystem */ + cciss_unregister_scsi(h); /* unhook from SCSI subsystem */ #endif cciss_shutdown(pdev); #ifdef CONFIG_PCI_MSI - if (hba[i]->msix_vector) - pci_disable_msix(hba[i]->pdev); - else if (hba[i]->msi_vector) - pci_disable_msi(hba[i]->pdev); + if (h->msix_vector) + pci_disable_msix(h->pdev); + else if (h->msi_vector) + pci_disable_msi(h->pdev); #endif /* CONFIG_PCI_MSI */ - iounmap(hba[i]->transtable); - iounmap(hba[i]->cfgtable); - iounmap(hba[i]->vaddr); + iounmap(h->transtable); + iounmap(h->cfgtable); + iounmap(h->vaddr); - pci_free_consistent(hba[i]->pdev, hba[i]->nr_cmds * sizeof(CommandList_struct), - hba[i]->cmd_pool, hba[i]->cmd_pool_dhandle); - pci_free_consistent(hba[i]->pdev, hba[i]->nr_cmds * sizeof(ErrorInfo_struct), - hba[i]->errinfo_pool, hba[i]->errinfo_pool_dhandle); - kfree(hba[i]->cmd_pool_bits); + pci_free_consistent(h->pdev, h->nr_cmds * sizeof(CommandList_struct), + h->cmd_pool, h->cmd_pool_dhandle); + pci_free_consistent(h->pdev, h->nr_cmds * sizeof(ErrorInfo_struct), + h->errinfo_pool, h->errinfo_pool_dhandle); + kfree(h->cmd_pool_bits); /* Free up sg elements */ - for (j = 0; j < hba[i]->nr_cmds; j++) - kfree(hba[i]->scatter_list[j]); - kfree(hba[i]->scatter_list); - cciss_free_sg_chain_blocks(hba[i]->cmd_sg_list, hba[i]->nr_cmds); + for (j = 0; j < h->nr_cmds; j++) + kfree(h->scatter_list[j]); + kfree(h->scatter_list); + cciss_free_sg_chain_blocks(h->cmd_sg_list, h->nr_cmds); /* * Deliberately omit pci_disable_device(): it does something nasty to * Smart Array controllers that pci_enable_device does not undo */ pci_release_regions(pdev); pci_set_drvdata(pdev, NULL); - cciss_destroy_hba_sysfs_entry(hba[i]); - mutex_unlock(&hba[i]->busy_shutting_down); - free_hba(i); + cciss_destroy_hba_sysfs_entry(h); + mutex_unlock(&h->busy_shutting_down); + free_hba(h); } static struct pci_driver cciss_pci_driver = { |