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,
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 */
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);
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
.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;
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 */
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;
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;
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;
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;
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]);
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;
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);
*/
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
return -EPERM;
}
drv->usage_count++;
- host->usage_count++;
+ h->usage_count++;
return 0;
}
*/
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
#endif /* CCISS_DEBUG */
drv->usage_count--;
- host->usage_count--;
+ h->usage_count--;
unlock_kernel();
return 0;
}
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
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
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;
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;
// 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;
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;
(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;
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;
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;
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)))
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;
} 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;
}
/* 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;
}
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;
}
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:{
data_ptr += sz;
sg_used++;
}
- if ((c = cmd_alloc(host, 0)) == NULL) {
+ c = cmd_alloc(h, 0);
+ if (!c) {
status = -ENOMEM;
goto cleanup1;
}
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 =
}
}
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;
}
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) {
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;
/* 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);
}
* 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;
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);
* 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
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);
* 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;
/* 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;
}
}
- 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,
*/
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
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;
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);
}
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;
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:
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;
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) {
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 */
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);
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,
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) {
}
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;
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);
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;
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);
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);
}
}
-/* 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)
* 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) {
}
}
- spin_unlock_irqrestore(CCISS_LOCK(h->ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
return IRQ_HANDLED;
}
* 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))
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;
}
* 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;
};
/* 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) {
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;
}
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");
#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:
* 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;
}
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;
}
}
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]);
int rc;
int dac, return_code;
InquiryData_struct *inq_buff;
+ ctlr_info_t *h;
rc = cciss_init_reset_devices(pdev);
if (rc)
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 */
* 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);
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;
}
}
/* 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)
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) {
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)
}
#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 = {
#define CCISS_ABORT_MSG 0x00
#define CCISS_RESET_MSG 0x01
-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);
spinlock_t lock; // to protect ccissscsi[ctlr];
};
-#define CPQ_TAPE_LOCK(ctlr, flags) spin_lock_irqsave( \
- &hba[ctlr]->scsi_ctlr->lock, flags);
-#define CPQ_TAPE_UNLOCK(ctlr, flags) spin_unlock_irqrestore( \
- &hba[ctlr]->scsi_ctlr->lock, flags);
+#define CPQ_TAPE_LOCK(h, flags) spin_lock_irqsave( \
+ &h->scsi_ctlr->lock, flags);
+#define CPQ_TAPE_UNLOCK(h, flags) spin_unlock_irqrestore( \
+ &h->scsi_ctlr->lock, flags);
static CommandList_struct *
scsi_cmd_alloc(ctlr_info_t *h)
{
/* assume only one process in here at a time, locking done by caller. */
- /* use CCISS_LOCK(ctlr) */
+ /* use h->lock */
/* might be better to rewrite how we allocate scsi commands in a way that */
/* needs no locking at all. */
}
static void
-scsi_cmd_free(ctlr_info_t *h, CommandList_struct *cmd)
+scsi_cmd_free(ctlr_info_t *h, CommandList_struct *c)
{
/* assume only one process in here at a time, locking done by caller. */
- /* use CCISS_LOCK(ctlr) */
+ /* use h->lock */
/* drop the free memory chunk on top of the stack. */
struct cciss_scsi_adapter_data_t *sa;
printk("cciss: scsi_cmd_free called too many times.\n");
BUG();
}
- stk->elem[stk->top] = (struct cciss_scsi_cmd_stack_elem_t *) cmd;
+ stk->elem[stk->top] = (struct cciss_scsi_cmd_stack_elem_t *) c;
}
static int
-scsi_cmd_stack_setup(int ctlr, struct cciss_scsi_adapter_data_t *sa)
+scsi_cmd_stack_setup(ctlr_info_t *h, struct cciss_scsi_adapter_data_t *sa)
{
int i;
struct cciss_scsi_cmd_stack_t *stk;
size_t size;
- sa->cmd_sg_list = cciss_allocate_sg_chain_blocks(hba[ctlr],
- hba[ctlr]->chainsize, CMD_STACK_SIZE);
- if (!sa->cmd_sg_list && hba[ctlr]->chainsize > 0)
+ sa->cmd_sg_list = cciss_allocate_sg_chain_blocks(h,
+ h->chainsize, CMD_STACK_SIZE);
+ if (!sa->cmd_sg_list && h->chainsize > 0)
return -ENOMEM;
stk = &sa->cmd_stack;
BUILD_BUG_ON((sizeof(*stk->pool) % COMMANDLIST_ALIGNMENT) != 0);
/* pci_alloc_consistent guarantees 32-bit DMA address will be used */
stk->pool = (struct cciss_scsi_cmd_stack_elem_t *)
- pci_alloc_consistent(hba[ctlr]->pdev, size, &stk->cmd_pool_handle);
+ pci_alloc_consistent(h->pdev, size, &stk->cmd_pool_handle);
if (stk->pool == NULL) {
cciss_free_sg_chain_blocks(sa->cmd_sg_list, CMD_STACK_SIZE);
}
static void
-scsi_cmd_stack_free(int ctlr)
+scsi_cmd_stack_free(ctlr_info_t *h)
{
struct cciss_scsi_adapter_data_t *sa;
struct cciss_scsi_cmd_stack_t *stk;
size_t size;
- sa = hba[ctlr]->scsi_ctlr;
+ sa = h->scsi_ctlr;
stk = &sa->cmd_stack;
if (stk->top != CMD_STACK_SIZE-1) {
printk( "cciss: %d scsi commands are still outstanding.\n",
}
size = sizeof(struct cciss_scsi_cmd_stack_elem_t) * CMD_STACK_SIZE;
- pci_free_consistent(hba[ctlr]->pdev, size, stk->pool, stk->cmd_pool_handle);
+ pci_free_consistent(h->pdev, size, stk->pool, stk->cmd_pool_handle);
stk->pool = NULL;
cciss_free_sg_chain_blocks(sa->cmd_sg_list, CMD_STACK_SIZE);
}
#endif
static int
-find_bus_target_lun(int ctlr, int *bus, int *target, int *lun)
+find_bus_target_lun(ctlr_info_t *h, int *bus, int *target, int *lun)
{
/* finds an unused bus, target, lun for a new device */
- /* assumes hba[ctlr]->scsi_ctlr->lock is held */
+ /* assumes h->scsi_ctlr->lock is held */
int i, found=0;
unsigned char target_taken[CCISS_MAX_SCSI_DEVS_PER_HBA];
memset(&target_taken[0], 0, CCISS_MAX_SCSI_DEVS_PER_HBA);
target_taken[SELF_SCSI_ID] = 1;
- for (i=0;i<ccissscsi[ctlr].ndevices;i++)
- target_taken[ccissscsi[ctlr].dev[i].target] = 1;
+ for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++)
+ target_taken[ccissscsi[h->ctlr].dev[i].target] = 1;
- for (i=0;i<CCISS_MAX_SCSI_DEVS_PER_HBA;i++) {
+ for (i = 0; i < CCISS_MAX_SCSI_DEVS_PER_HBA; i++) {
if (!target_taken[i]) {
*bus = 0; *target=i; *lun = 0; found=1;
break;
};
static int
-cciss_scsi_add_entry(int ctlr, int hostno,
+cciss_scsi_add_entry(ctlr_info_t *h, int hostno,
struct cciss_scsi_dev_t *device,
struct scsi2map *added, int *nadded)
{
- /* assumes hba[ctlr]->scsi_ctlr->lock is held */
- int n = ccissscsi[ctlr].ndevices;
+ /* assumes h->scsi_ctlr->lock is held */
+ int n = ccissscsi[h->ctlr].ndevices;
struct cciss_scsi_dev_t *sd;
int i, bus, target, lun;
unsigned char addr1[8], addr2[8];
if (n >= CCISS_MAX_SCSI_DEVS_PER_HBA) {
printk("cciss%d: Too many devices, "
- "some will be inaccessible.\n", ctlr);
+ "some will be inaccessible.\n", h->ctlr);
return -1;
}
memcpy(addr1, device->scsi3addr, 8);
addr1[4] = 0;
for (i = 0; i < n; i++) {
- sd = &ccissscsi[ctlr].dev[i];
+ sd = &ccissscsi[h->ctlr].dev[i];
memcpy(addr2, sd->scsi3addr, 8);
addr2[4] = 0;
/* differ only in byte 4? */
}
}
- sd = &ccissscsi[ctlr].dev[n];
+ sd = &ccissscsi[h->ctlr].dev[n];
if (lun == 0) {
- if (find_bus_target_lun(ctlr,
+ if (find_bus_target_lun(h,
&sd->bus, &sd->target, &sd->lun) != 0)
return -1;
} else {
memcpy(sd->device_id, device->device_id, sizeof(sd->device_id));
sd->devtype = device->devtype;
- ccissscsi[ctlr].ndevices++;
+ ccissscsi[h->ctlr].ndevices++;
/* initially, (before registering with scsi layer) we don't
know our hostno and we don't want to print anything first
time anyway (the scsi layer's inquiries will show that info) */
if (hostno != -1)
printk("cciss%d: %s device c%db%dt%dl%d added.\n",
- ctlr, scsi_device_type(sd->devtype), hostno,
+ h->ctlr, scsi_device_type(sd->devtype), hostno,
sd->bus, sd->target, sd->lun);
return 0;
}
static void
-cciss_scsi_remove_entry(int ctlr, int hostno, int entry,
+cciss_scsi_remove_entry(ctlr_info_t *h, int hostno, int entry,
struct scsi2map *removed, int *nremoved)
{
- /* assumes hba[ctlr]->scsi_ctlr->lock is held */
+ /* assumes h->ctlr]->scsi_ctlr->lock is held */
int i;
struct cciss_scsi_dev_t sd;
if (entry < 0 || entry >= CCISS_MAX_SCSI_DEVS_PER_HBA) return;
- sd = ccissscsi[ctlr].dev[entry];
+ sd = ccissscsi[h->ctlr].dev[entry];
removed[*nremoved].bus = sd.bus;
removed[*nremoved].target = sd.target;
removed[*nremoved].lun = sd.lun;
(*nremoved)++;
- for (i=entry;i<ccissscsi[ctlr].ndevices-1;i++)
- ccissscsi[ctlr].dev[i] = ccissscsi[ctlr].dev[i+1];
- ccissscsi[ctlr].ndevices--;
+ for (i = entry; i < ccissscsi[h->ctlr].ndevices-1; i++)
+ ccissscsi[h->ctlr].dev[i] = ccissscsi[h->ctlr].dev[i+1];
+ ccissscsi[h->ctlr].ndevices--;
printk("cciss%d: %s device c%db%dt%dl%d removed.\n",
- ctlr, scsi_device_type(sd.devtype), hostno,
+ h->ctlr, scsi_device_type(sd.devtype), hostno,
sd.bus, sd.target, sd.lun);
}
(a)[1] == (b)[1] && \
(a)[0] == (b)[0])
-static void fixup_botched_add(int ctlr, char *scsi3addr)
+static void fixup_botched_add(ctlr_info_t *h, char *scsi3addr)
{
/* called when scsi_add_device fails in order to re-adjust */
/* ccissscsi[] to match the mid layer's view. */
unsigned long flags;
int i, j;
- CPQ_TAPE_LOCK(ctlr, flags);
- for (i = 0; i < ccissscsi[ctlr].ndevices; i++) {
+ CPQ_TAPE_LOCK(h, flags);
+ for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++) {
if (memcmp(scsi3addr,
- ccissscsi[ctlr].dev[i].scsi3addr, 8) == 0) {
- for (j = i; j < ccissscsi[ctlr].ndevices-1; j++)
- ccissscsi[ctlr].dev[j] =
- ccissscsi[ctlr].dev[j+1];
- ccissscsi[ctlr].ndevices--;
+ ccissscsi[h->ctlr].dev[i].scsi3addr, 8) == 0) {
+ for (j = i; j < ccissscsi[h->ctlr].ndevices-1; j++)
+ ccissscsi[h->ctlr].dev[j] =
+ ccissscsi[h->ctlr].dev[j+1];
+ ccissscsi[h->ctlr].ndevices--;
break;
}
}
- CPQ_TAPE_UNLOCK(ctlr, flags);
+ CPQ_TAPE_UNLOCK(h, flags);
}
static int device_is_the_same(struct cciss_scsi_dev_t *dev1,
}
static int
-adjust_cciss_scsi_table(int ctlr, int hostno,
+adjust_cciss_scsi_table(ctlr_info_t *h, int hostno,
struct cciss_scsi_dev_t sd[], int nsds)
{
/* sd contains scsi3 addresses and devtypes, but
if (!added || !removed) {
printk(KERN_WARNING "cciss%d: Out of memory in "
- "adjust_cciss_scsi_table\n", ctlr);
+ "adjust_cciss_scsi_table\n", h->ctlr);
goto free_and_out;
}
- CPQ_TAPE_LOCK(ctlr, flags);
+ CPQ_TAPE_LOCK(h, flags);
if (hostno != -1) /* if it's not the first time... */
- sh = hba[ctlr]->scsi_ctlr->scsi_host;
+ sh = h->scsi_ctlr->scsi_host;
/* find any devices in ccissscsi[] that are not in
sd[] and remove them from ccissscsi[] */
i = 0;
nremoved = 0;
nadded = 0;
- while(i<ccissscsi[ctlr].ndevices) {
- csd = &ccissscsi[ctlr].dev[i];
+ while (i < ccissscsi[h->ctlr].ndevices) {
+ csd = &ccissscsi[h->ctlr].dev[i];
found=0;
for (j=0;j<nsds;j++) {
if (SCSI3ADDR_EQ(sd[j].scsi3addr,
if (found == 0) { /* device no longer present. */
changes++;
/* printk("cciss%d: %s device c%db%dt%dl%d removed.\n",
- ctlr, scsi_device_type(csd->devtype), hostno,
+ h->ctlr, scsi_device_type(csd->devtype), hostno,
csd->bus, csd->target, csd->lun); */
- cciss_scsi_remove_entry(ctlr, hostno, i,
+ cciss_scsi_remove_entry(h, hostno, i,
removed, &nremoved);
/* remove ^^^, hence i not incremented */
} else if (found == 1) { /* device is different in some way */
changes++;
printk("cciss%d: device c%db%dt%dl%d has changed.\n",
- ctlr, hostno, csd->bus, csd->target, csd->lun);
- cciss_scsi_remove_entry(ctlr, hostno, i,
+ h->ctlr, hostno,
+ csd->bus, csd->target, csd->lun);
+ cciss_scsi_remove_entry(h, hostno, i,
removed, &nremoved);
/* remove ^^^, hence i not incremented */
- if (cciss_scsi_add_entry(ctlr, hostno, &sd[j],
+ if (cciss_scsi_add_entry(h, hostno, &sd[j],
added, &nadded) != 0)
/* we just removed one, so add can't fail. */
BUG();
for (i=0;i<nsds;i++) {
found=0;
- for (j=0;j<ccissscsi[ctlr].ndevices;j++) {
- csd = &ccissscsi[ctlr].dev[j];
+ for (j = 0; j < ccissscsi[h->ctlr].ndevices; j++) {
+ csd = &ccissscsi[h->ctlr].dev[j];
if (SCSI3ADDR_EQ(sd[i].scsi3addr,
csd->scsi3addr)) {
if (device_is_the_same(&sd[i], csd))
}
if (!found) {
changes++;
- if (cciss_scsi_add_entry(ctlr, hostno, &sd[i],
+ if (cciss_scsi_add_entry(h, hostno, &sd[i],
added, &nadded) != 0)
break;
} else if (found == 1) {
/* should never happen... */
changes++;
printk(KERN_WARNING "cciss%d: device "
- "unexpectedly changed\n", ctlr);
+ "unexpectedly changed\n", h->ctlr);
/* but if it does happen, we just ignore that device */
}
}
- CPQ_TAPE_UNLOCK(ctlr, flags);
+ CPQ_TAPE_UNLOCK(h, flags);
/* Don't notify scsi mid layer of any changes the first time through */
/* (or if there are no changes) scsi_scan_host will do it later the */
/* timeout as if the device was gone. */
printk(KERN_WARNING "cciss%d: didn't find "
"c%db%dt%dl%d\n for removal.",
- ctlr, hostno, removed[i].bus,
+ h->ctlr, hostno, removed[i].bus,
removed[i].target, removed[i].lun);
}
}
continue;
printk(KERN_WARNING "cciss%d: scsi_add_device "
"c%db%dt%dl%d failed, device not added.\n",
- ctlr, hostno,
+ h->ctlr, hostno,
added[i].bus, added[i].target, added[i].lun);
/* now we have to remove it from ccissscsi, */
/* since it didn't get added to scsi mid layer */
- fixup_botched_add(ctlr, added[i].scsi3addr);
+ fixup_botched_add(h, added[i].scsi3addr);
}
free_and_out:
}
static int
-lookup_scsi3addr(int ctlr, int bus, int target, int lun, char *scsi3addr)
+lookup_scsi3addr(ctlr_info_t *h, int bus, int target, int lun, char *scsi3addr)
{
int i;
struct cciss_scsi_dev_t *sd;
unsigned long flags;
- CPQ_TAPE_LOCK(ctlr, flags);
- for (i=0;i<ccissscsi[ctlr].ndevices;i++) {
- sd = &ccissscsi[ctlr].dev[i];
+ CPQ_TAPE_LOCK(h, flags);
+ for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++) {
+ sd = &ccissscsi[h->ctlr].dev[i];
if (sd->bus == bus &&
sd->target == target &&
sd->lun == lun) {
memcpy(scsi3addr, &sd->scsi3addr[0], 8);
- CPQ_TAPE_UNLOCK(ctlr, flags);
+ CPQ_TAPE_UNLOCK(h, flags);
return 0;
}
}
- CPQ_TAPE_UNLOCK(ctlr, flags);
+ CPQ_TAPE_UNLOCK(h, flags);
return -1;
}
static void
-cciss_scsi_setup(int cntl_num)
+cciss_scsi_setup(ctlr_info_t *h)
{
struct cciss_scsi_adapter_data_t * shba;
- ccissscsi[cntl_num].ndevices = 0;
+ ccissscsi[h->ctlr].ndevices = 0;
shba = (struct cciss_scsi_adapter_data_t *)
kmalloc(sizeof(*shba), GFP_KERNEL);
if (shba == NULL)
shba->scsi_host = NULL;
spin_lock_init(&shba->lock);
shba->registered = 0;
- if (scsi_cmd_stack_setup(cntl_num, shba) != 0) {
+ if (scsi_cmd_stack_setup(h, shba) != 0) {
kfree(shba);
shba = NULL;
}
- hba[cntl_num]->scsi_ctlr = shba;
+ h->scsi_ctlr = shba;
return;
}
-static void
-complete_scsi_command( CommandList_struct *cp, int timeout, __u32 tag)
+static void complete_scsi_command(CommandList_struct *c, int timeout,
+ __u32 tag)
{
struct scsi_cmnd *cmd;
- ctlr_info_t *ctlr;
+ ctlr_info_t *h;
ErrorInfo_struct *ei;
- ei = cp->err_info;
+ ei = c->err_info;
/* First, see if it was a message rather than a command */
- if (cp->Request.Type.Type == TYPE_MSG) {
- cp->cmd_type = CMD_MSG_DONE;
+ if (c->Request.Type.Type == TYPE_MSG) {
+ c->cmd_type = CMD_MSG_DONE;
return;
}
- cmd = (struct scsi_cmnd *) cp->scsi_cmd;
- ctlr = hba[cp->ctlr];
+ cmd = (struct scsi_cmnd *) c->scsi_cmd;
+ h = hba[c->ctlr];
scsi_dma_unmap(cmd);
- if (cp->Header.SGTotal > ctlr->max_cmd_sgentries)
- cciss_unmap_sg_chain_block(ctlr, cp);
+ if (c->Header.SGTotal > h->max_cmd_sgentries)
+ cciss_unmap_sg_chain_block(h, c);
cmd->result = (DID_OK << 16); /* host byte */
cmd->result |= (COMMAND_COMPLETE << 8); /* msg byte */
{
#if 0
printk(KERN_WARNING "cciss: cmd %p "
- "has SCSI Status = %x\n",
- cp,
- ei->ScsiStatus);
+ "has SCSI Status = %x\n",
+ c, ei->ScsiStatus);
#endif
cmd->result |= (ei->ScsiStatus << 1);
}
case CMD_DATA_UNDERRUN: /* let mid layer handle it. */
break;
case CMD_DATA_OVERRUN:
- printk(KERN_WARNING "cciss: cp %p has"
+ printk(KERN_WARNING "cciss: %p has"
" completed with data overrun "
- "reported\n", cp);
+ "reported\n", c);
break;
case CMD_INVALID: {
- /* print_bytes(cp, sizeof(*cp), 1, 0);
- print_cmd(cp); */
+ /* print_bytes(c, sizeof(*c), 1, 0);
+ print_cmd(c); */
/* We get CMD_INVALID if you address a non-existent tape drive instead
of a selection timeout (no response). You will see this if you yank
out a tape drive, then try to access it. This is kind of a shame
}
break;
case CMD_PROTOCOL_ERR:
- printk(KERN_WARNING "cciss: cp %p has "
- "protocol error \n", cp);
+ printk(KERN_WARNING "cciss: %p has "
+ "protocol error\n", c);
break;
case CMD_HARDWARE_ERR:
cmd->result = DID_ERROR << 16;
- printk(KERN_WARNING "cciss: cp %p had "
- " hardware error\n", cp);
+ printk(KERN_WARNING "cciss: %p had "
+ " hardware error\n", c);
break;
case CMD_CONNECTION_LOST:
cmd->result = DID_ERROR << 16;
- printk(KERN_WARNING "cciss: cp %p had "
- "connection lost\n", cp);
+ printk(KERN_WARNING "cciss: %p had "
+ "connection lost\n", c);
break;
case CMD_ABORTED:
cmd->result = DID_ABORT << 16;
- printk(KERN_WARNING "cciss: cp %p was "
- "aborted\n", cp);
+ printk(KERN_WARNING "cciss: %p was "
+ "aborted\n", c);
break;
case CMD_ABORT_FAILED:
cmd->result = DID_ERROR << 16;
- printk(KERN_WARNING "cciss: cp %p reports "
- "abort failed\n", cp);
+ printk(KERN_WARNING "cciss: %p reports "
+ "abort failed\n", c);
break;
case CMD_UNSOLICITED_ABORT:
cmd->result = DID_ABORT << 16;
- printk(KERN_WARNING "cciss: cp %p aborted "
- "do to an unsolicited abort\n", cp);
+ printk(KERN_WARNING "cciss: %p aborted "
+ "do to an unsolicited abort\n", c);
break;
case CMD_TIMEOUT:
cmd->result = DID_TIME_OUT << 16;
- printk(KERN_WARNING "cciss: cp %p timedout\n",
- cp);
+ printk(KERN_WARNING "cciss: %p timedout\n",
+ c);
break;
default:
cmd->result = DID_ERROR << 16;
- printk(KERN_WARNING "cciss: cp %p returned "
- "unknown status %x\n", cp,
+ printk(KERN_WARNING "cciss: %p returned "
+ "unknown status %x\n", c,
ei->CommandStatus);
}
}
- // printk("c:%p:c%db%dt%dl%d ", cmd, ctlr->ctlr, cmd->channel,
- // cmd->target, cmd->lun);
cmd->scsi_done(cmd);
- scsi_cmd_free(ctlr, cp);
+ scsi_cmd_free(h, c);
}
static int
-cciss_scsi_detect(int ctlr)
+cciss_scsi_detect(ctlr_info_t *h)
{
struct Scsi_Host *sh;
int error;
sh->io_port = 0; // good enough? FIXME,
sh->n_io_port = 0; // I don't think we use these two...
sh->this_id = SELF_SCSI_ID;
- sh->sg_tablesize = hba[ctlr]->maxsgentries;
+ sh->sg_tablesize = h->maxsgentries;
sh->max_cmd_len = MAX_COMMAND_SIZE;
((struct cciss_scsi_adapter_data_t *)
- hba[ctlr]->scsi_ctlr)->scsi_host = sh;
- sh->hostdata[0] = (unsigned long) hba[ctlr];
- sh->irq = hba[ctlr]->intr[SIMPLE_MODE_INT];
+ h->scsi_ctlr)->scsi_host = sh;
+ sh->hostdata[0] = (unsigned long) h;
+ sh->irq = h->intr[SIMPLE_MODE_INT];
sh->unique_id = sh->irq;
- error = scsi_add_host(sh, &hba[ctlr]->pdev->dev);
+ error = scsi_add_host(sh, &h->pdev->dev);
if (error)
goto fail_host_put;
scsi_scan_host(sh);
static void
cciss_unmap_one(struct pci_dev *pdev,
- CommandList_struct *cp,
+ CommandList_struct *c,
size_t buflen,
int data_direction)
{
u64bit addr64;
- addr64.val32.lower = cp->SG[0].Addr.lower;
- addr64.val32.upper = cp->SG[0].Addr.upper;
+ addr64.val32.lower = c->SG[0].Addr.lower;
+ addr64.val32.upper = c->SG[0].Addr.upper;
pci_unmap_single(pdev, (dma_addr_t) addr64.val, buflen, data_direction);
}
static void
cciss_map_one(struct pci_dev *pdev,
- CommandList_struct *cp,
+ CommandList_struct *c,
unsigned char *buf,
size_t buflen,
int data_direction)
__u64 addr64;
addr64 = (__u64) pci_map_single(pdev, buf, buflen, data_direction);
- cp->SG[0].Addr.lower =
+ c->SG[0].Addr.lower =
(__u32) (addr64 & (__u64) 0x00000000FFFFFFFF);
- cp->SG[0].Addr.upper =
+ c->SG[0].Addr.upper =
(__u32) ((addr64 >> 32) & (__u64) 0x00000000FFFFFFFF);
- cp->SG[0].Len = buflen;
- cp->Header.SGList = (__u8) 1; /* no. SGs contig in this cmd */
- cp->Header.SGTotal = (__u16) 1; /* total sgs in this cmd list */
+ c->SG[0].Len = buflen;
+ c->Header.SGList = (__u8) 1; /* no. SGs contig in this cmd */
+ c->Header.SGTotal = (__u16) 1; /* total sgs in this cmd list */
}
static int
-cciss_scsi_do_simple_cmd(ctlr_info_t *c,
- CommandList_struct *cp,
+cciss_scsi_do_simple_cmd(ctlr_info_t *h,
+ CommandList_struct *c,
unsigned char *scsi3addr,
unsigned char *cdb,
unsigned char cdblen,
{
DECLARE_COMPLETION_ONSTACK(wait);
- cp->cmd_type = CMD_IOCTL_PEND; // treat this like an ioctl
- cp->scsi_cmd = NULL;
- cp->Header.ReplyQueue = 0; // unused in simple mode
- memcpy(&cp->Header.LUN, scsi3addr, sizeof(cp->Header.LUN));
- cp->Header.Tag.lower = cp->busaddr; // Use k. address of cmd as tag
+ c->cmd_type = CMD_IOCTL_PEND; /* treat this like an ioctl */
+ c->scsi_cmd = NULL;
+ c->Header.ReplyQueue = 0; /* unused in simple mode */
+ memcpy(&c->Header.LUN, scsi3addr, sizeof(c->Header.LUN));
+ c->Header.Tag.lower = c->busaddr; /* Use k. address of cmd as tag */
// Fill in the request block...
/* printk("Using scsi3addr 0x%02x%0x2%0x2%0x2%0x2%0x2%0x2%0x2\n",
scsi3addr[0], scsi3addr[1], scsi3addr[2], scsi3addr[3],
scsi3addr[4], scsi3addr[5], scsi3addr[6], scsi3addr[7]); */
- memset(cp->Request.CDB, 0, sizeof(cp->Request.CDB));
- memcpy(cp->Request.CDB, cdb, cdblen);
- cp->Request.Timeout = 0;
- cp->Request.CDBLen = cdblen;
- cp->Request.Type.Type = TYPE_CMD;
- cp->Request.Type.Attribute = ATTR_SIMPLE;
- cp->Request.Type.Direction = direction;
+ memset(c->Request.CDB, 0, sizeof(c->Request.CDB));
+ memcpy(c->Request.CDB, cdb, cdblen);
+ c->Request.Timeout = 0;
+ c->Request.CDBLen = cdblen;
+ c->Request.Type.Type = TYPE_CMD;
+ c->Request.Type.Attribute = ATTR_SIMPLE;
+ c->Request.Type.Direction = direction;
/* Fill in the SG list and do dma mapping */
- cciss_map_one(c->pdev, cp, (unsigned char *) buf,
+ cciss_map_one(h->pdev, c, (unsigned char *) buf,
bufsize, DMA_FROM_DEVICE);
- cp->waiting = &wait;
- enqueue_cmd_and_start_io(c, cp);
+ c->waiting = &wait;
+ enqueue_cmd_and_start_io(h, c);
wait_for_completion(&wait);
/* undo the dma mapping */
- cciss_unmap_one(c->pdev, cp, bufsize, DMA_FROM_DEVICE);
+ cciss_unmap_one(h->pdev, c, bufsize, DMA_FROM_DEVICE);
return(0);
}
static void
-cciss_scsi_interpret_error(CommandList_struct *cp)
+cciss_scsi_interpret_error(CommandList_struct *c)
{
ErrorInfo_struct *ei;
- ei = cp->err_info;
+ ei = c->err_info;
switch(ei->CommandStatus)
{
case CMD_TARGET_STATUS:
printk(KERN_WARNING "cciss: cmd %p has "
- "completed with errors\n", cp);
+ "completed with errors\n", c);
printk(KERN_WARNING "cciss: cmd %p "
"has SCSI Status = %x\n",
- cp,
- ei->ScsiStatus);
+ c, ei->ScsiStatus);
if (ei->ScsiStatus == 0)
printk(KERN_WARNING
"cciss:SCSI status is abnormally zero. "
printk("UNDERRUN\n");
break;
case CMD_DATA_OVERRUN:
- printk(KERN_WARNING "cciss: cp %p has"
+ printk(KERN_WARNING "cciss: %p has"
" completed with data overrun "
- "reported\n", cp);
+ "reported\n", c);
break;
case CMD_INVALID: {
/* controller unfortunately reports SCSI passthru's */
/* to non-existent targets as invalid commands. */
- printk(KERN_WARNING "cciss: cp %p is "
+ printk(KERN_WARNING "cciss: %p is "
"reported invalid (probably means "
- "target device no longer present)\n",
- cp);
- /* print_bytes((unsigned char *) cp, sizeof(*cp), 1, 0);
- print_cmd(cp); */
+ "target device no longer present)\n", c);
+ /* print_bytes((unsigned char *) c, sizeof(*c), 1, 0);
+ print_cmd(c); */
}
break;
case CMD_PROTOCOL_ERR:
- printk(KERN_WARNING "cciss: cp %p has "
- "protocol error \n", cp);
+ printk(KERN_WARNING "cciss: %p has "
+ "protocol error\n", c);
break;
case CMD_HARDWARE_ERR:
/* cmd->result = DID_ERROR << 16; */
- printk(KERN_WARNING "cciss: cp %p had "
- " hardware error\n", cp);
+ printk(KERN_WARNING "cciss: %p had "
+ " hardware error\n", c);
break;
case CMD_CONNECTION_LOST:
- printk(KERN_WARNING "cciss: cp %p had "
- "connection lost\n", cp);
+ printk(KERN_WARNING "cciss: %p had "
+ "connection lost\n", c);
break;
case CMD_ABORTED:
- printk(KERN_WARNING "cciss: cp %p was "
- "aborted\n", cp);
+ printk(KERN_WARNING "cciss: %p was "
+ "aborted\n", c);
break;
case CMD_ABORT_FAILED:
- printk(KERN_WARNING "cciss: cp %p reports "
- "abort failed\n", cp);
+ printk(KERN_WARNING "cciss: %p reports "
+ "abort failed\n", c);
break;
case CMD_UNSOLICITED_ABORT:
- printk(KERN_WARNING "cciss: cp %p aborted "
- "do to an unsolicited abort\n", cp);
+ printk(KERN_WARNING "cciss: %p aborted "
+ "do to an unsolicited abort\n", c);
break;
case CMD_TIMEOUT:
- printk(KERN_WARNING "cciss: cp %p timedout\n",
- cp);
+ printk(KERN_WARNING "cciss: %p timedout\n", c);
break;
default:
- printk(KERN_WARNING "cciss: cp %p returned "
- "unknown status %x\n", cp,
- ei->CommandStatus);
+ printk(KERN_WARNING "cciss: %p returned "
+ "unknown status %x\n", c, ei->CommandStatus);
}
}
static int
-cciss_scsi_do_inquiry(ctlr_info_t *c, unsigned char *scsi3addr,
+cciss_scsi_do_inquiry(ctlr_info_t *h, unsigned char *scsi3addr,
unsigned char page, unsigned char *buf,
unsigned char bufsize)
{
int rc;
- CommandList_struct *cp;
+ CommandList_struct *c;
char cdb[6];
ErrorInfo_struct *ei;
unsigned long flags;
- spin_lock_irqsave(CCISS_LOCK(c->ctlr), flags);
- cp = scsi_cmd_alloc(c);
- spin_unlock_irqrestore(CCISS_LOCK(c->ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
+ c = scsi_cmd_alloc(h);
+ spin_unlock_irqrestore(&h->lock, flags);
- if (cp == NULL) { /* trouble... */
+ if (c == NULL) { /* trouble... */
printk("cmd_alloc returned NULL!\n");
return -1;
}
- ei = cp->err_info;
+ ei = c->err_info;
cdb[0] = CISS_INQUIRY;
cdb[1] = (page != 0);
cdb[3] = 0;
cdb[4] = bufsize;
cdb[5] = 0;
- rc = cciss_scsi_do_simple_cmd(c, cp, scsi3addr, cdb,
+ rc = cciss_scsi_do_simple_cmd(h, c, scsi3addr, cdb,
6, buf, bufsize, XFER_READ);
if (rc != 0) return rc; /* something went wrong */
if (ei->CommandStatus != 0 &&
ei->CommandStatus != CMD_DATA_UNDERRUN) {
- cciss_scsi_interpret_error(cp);
+ cciss_scsi_interpret_error(c);
rc = -1;
}
- spin_lock_irqsave(CCISS_LOCK(c->ctlr), flags);
- scsi_cmd_free(c, cp);
- spin_unlock_irqrestore(CCISS_LOCK(c->ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
+ scsi_cmd_free(h, c);
+ spin_unlock_irqrestore(&h->lock, flags);
return rc;
}
/* Get the device id from inquiry page 0x83 */
-static int cciss_scsi_get_device_id(ctlr_info_t *c, unsigned char *scsi3addr,
+static int cciss_scsi_get_device_id(ctlr_info_t *h, unsigned char *scsi3addr,
unsigned char *device_id, int buflen)
{
int rc;
buf = kzalloc(64, GFP_KERNEL);
if (!buf)
return -1;
- rc = cciss_scsi_do_inquiry(c, scsi3addr, 0x83, buf, 64);
+ rc = cciss_scsi_do_inquiry(h, scsi3addr, 0x83, buf, 64);
if (rc == 0)
memcpy(device_id, &buf[8], buflen);
kfree(buf);
}
static int
-cciss_scsi_do_report_phys_luns(ctlr_info_t *c,
+cciss_scsi_do_report_phys_luns(ctlr_info_t *h,
ReportLunData_struct *buf, int bufsize)
{
int rc;
- CommandList_struct *cp;
+ CommandList_struct *c;
unsigned char cdb[12];
unsigned char scsi3addr[8];
ErrorInfo_struct *ei;
unsigned long flags;
- spin_lock_irqsave(CCISS_LOCK(c->ctlr), flags);
- cp = scsi_cmd_alloc(c);
- spin_unlock_irqrestore(CCISS_LOCK(c->ctlr), flags);
- if (cp == NULL) { /* trouble... */
+ spin_lock_irqsave(&h->lock, flags);
+ c = scsi_cmd_alloc(h);
+ spin_unlock_irqrestore(&h->lock, flags);
+ if (c == NULL) { /* trouble... */
printk("cmd_alloc returned NULL!\n");
return -1;
}
cdb[10] = 0;
cdb[11] = 0;
- rc = cciss_scsi_do_simple_cmd(c, cp, scsi3addr,
+ rc = cciss_scsi_do_simple_cmd(h, c, scsi3addr,
cdb, 12,
(unsigned char *) buf,
bufsize, XFER_READ);
if (rc != 0) return rc; /* something went wrong */
- ei = cp->err_info;
+ ei = c->err_info;
if (ei->CommandStatus != 0 &&
ei->CommandStatus != CMD_DATA_UNDERRUN) {
- cciss_scsi_interpret_error(cp);
+ cciss_scsi_interpret_error(c);
rc = -1;
}
- spin_lock_irqsave(CCISS_LOCK(c->ctlr), flags);
- scsi_cmd_free(c, cp);
- spin_unlock_irqrestore(CCISS_LOCK(c->ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
+ scsi_cmd_free(h, c);
+ spin_unlock_irqrestore(&h->lock, flags);
return rc;
}
static void
-cciss_update_non_disk_devices(int cntl_num, int hostno)
+cciss_update_non_disk_devices(ctlr_info_t *h, int hostno)
{
/* the idea here is we could get notified from /proc
that some devices have changed, so we do a report
ReportLunData_struct *ld_buff;
unsigned char *inq_buff;
unsigned char scsi3addr[8];
- ctlr_info_t *c;
__u32 num_luns=0;
unsigned char *ch;
struct cciss_scsi_dev_t *currentsd, *this_device;
int reportlunsize = sizeof(*ld_buff) + CISS_MAX_PHYS_LUN * 8;
int i;
- c = (ctlr_info_t *) hba[cntl_num];
ld_buff = kzalloc(reportlunsize, GFP_KERNEL);
inq_buff = kmalloc(OBDR_TAPE_INQ_SIZE, GFP_KERNEL);
currentsd = kzalloc(sizeof(*currentsd) *
goto out;
}
this_device = ¤tsd[CCISS_MAX_SCSI_DEVS_PER_HBA];
- if (cciss_scsi_do_report_phys_luns(c, ld_buff, reportlunsize) == 0) {
+ if (cciss_scsi_do_report_phys_luns(h, ld_buff, reportlunsize) == 0) {
ch = &ld_buff->LUNListLength[0];
num_luns = ((ch[0]<<24) | (ch[1]<<16) | (ch[2]<<8) | ch[3]) / 8;
if (num_luns > CISS_MAX_PHYS_LUN) {
memset(inq_buff, 0, OBDR_TAPE_INQ_SIZE);
memcpy(&scsi3addr[0], &ld_buff->LUN[i][0], 8);
- if (cciss_scsi_do_inquiry(hba[cntl_num], scsi3addr, 0, inq_buff,
+ if (cciss_scsi_do_inquiry(h, scsi3addr, 0, inq_buff,
(unsigned char) OBDR_TAPE_INQ_SIZE) != 0)
/* Inquiry failed (msg printed already) */
continue; /* so we will skip this device. */
sizeof(this_device->revision));
memset(this_device->device_id, 0,
sizeof(this_device->device_id));
- cciss_scsi_get_device_id(hba[cntl_num], scsi3addr,
+ cciss_scsi_get_device_id(h, scsi3addr,
this_device->device_id, sizeof(this_device->device_id));
switch (this_device->devtype)
case 0x08: /* medium changer */
if (ncurrent >= CCISS_MAX_SCSI_DEVS_PER_HBA) {
printk(KERN_INFO "cciss%d: %s ignored, "
- "too many devices.\n", cntl_num,
+ "too many devices.\n", h->ctlr,
scsi_device_type(this_device->devtype));
break;
}
}
}
- adjust_cciss_scsi_table(cntl_num, hostno, currentsd, ncurrent);
+ adjust_cciss_scsi_table(h, hostno, currentsd, ncurrent);
out:
kfree(inq_buff);
kfree(ld_buff);
}
static int
-cciss_scsi_user_command(int ctlr, int hostno, char *buffer, int length)
+cciss_scsi_user_command(ctlr_info_t *h, int hostno, char *buffer, int length)
{
int arg_len;
if ((arg_len = is_keyword(buffer, length, "rescan")) != 0)
- cciss_update_non_disk_devices(ctlr, hostno);
+ cciss_update_non_disk_devices(h, hostno);
else
return -EINVAL;
return length;
{
int buflen, datalen;
- ctlr_info_t *ci;
+ ctlr_info_t *h;
int i;
- int cntl_num;
-
- ci = (ctlr_info_t *) sh->hostdata[0];
- if (ci == NULL) /* This really shouldn't ever happen. */
+ h = (ctlr_info_t *) sh->hostdata[0];
+ if (h == NULL) /* This really shouldn't ever happen. */
return -EINVAL;
- cntl_num = ci->ctlr; /* Get our index into the hba[] array */
-
if (func == 0) { /* User is reading from /proc/scsi/ciss*?/?* */
buflen = sprintf(buffer, "cciss%d: SCSI host: %d\n",
- cntl_num, sh->host_no);
+ h->ctlr, sh->host_no);
/* this information is needed by apps to know which cciss
device corresponds to which scsi host number without
this info is for an app to be able to use to know how to
get them back in sync. */
- for (i=0;i<ccissscsi[cntl_num].ndevices;i++) {
- struct cciss_scsi_dev_t *sd = &ccissscsi[cntl_num].dev[i];
+ for (i = 0; i < ccissscsi[h->ctlr].ndevices; i++) {
+ struct cciss_scsi_dev_t *sd =
+ &ccissscsi[h->ctlr].dev[i];
buflen += sprintf(&buffer[buflen], "c%db%dt%dl%d %02d "
"0x%02x%02x%02x%02x%02x%02x%02x%02x\n",
sh->host_no, sd->bus, sd->target, sd->lun,
*start = buffer + offset;
return(datalen);
} else /* User is writing to /proc/scsi/cciss*?/?* ... */
- return cciss_scsi_user_command(cntl_num, sh->host_no,
+ return cciss_scsi_user_command(h, sh->host_no,
buffer, length);
}
/* cciss_scatter_gather takes a struct scsi_cmnd, (cmd), and does the pci
dma mapping and fills in the scatter gather entries of the
- cciss command, cp. */
+ cciss command, c. */
-static void cciss_scatter_gather(ctlr_info_t *h, CommandList_struct *cp,
+static void cciss_scatter_gather(ctlr_info_t *h, CommandList_struct *c,
struct scsi_cmnd *cmd)
{
unsigned int len;
chained = 0;
sg_index = 0;
- curr_sg = cp->SG;
+ curr_sg = c->SG;
request_nsgs = scsi_dma_map(cmd);
if (request_nsgs) {
scsi_for_each_sg(cmd, sg, request_nsgs, i) {
!chained && request_nsgs - i > 1) {
chained = 1;
sg_index = 0;
- curr_sg = sa->cmd_sg_list[cp->cmdindex];
+ curr_sg = sa->cmd_sg_list[c->cmdindex];
}
addr64 = (__u64) sg_dma_address(sg);
len = sg_dma_len(sg);
++sg_index;
}
if (chained)
- cciss_map_sg_chain_block(h, cp,
- sa->cmd_sg_list[cp->cmdindex],
+ cciss_map_sg_chain_block(h, c,
+ sa->cmd_sg_list[c->cmdindex],
(request_nsgs - (h->max_cmd_sgentries - 1)) *
sizeof(SGDescriptor_struct));
}
/* track how many SG entries we are using */
if (request_nsgs > h->maxSG)
h->maxSG = request_nsgs;
- cp->Header.SGTotal = (__u8) request_nsgs + chained;
+ c->Header.SGTotal = (__u8) request_nsgs + chained;
if (request_nsgs > h->max_cmd_sgentries)
- cp->Header.SGList = h->max_cmd_sgentries;
+ c->Header.SGList = h->max_cmd_sgentries;
else
- cp->Header.SGList = cp->Header.SGTotal;
+ c->Header.SGList = c->Header.SGTotal;
return;
}
static int
cciss_scsi_queue_command (struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *))
{
- ctlr_info_t *c;
- int ctlr, rc;
+ ctlr_info_t *h;
+ int rc;
unsigned char scsi3addr[8];
- CommandList_struct *cp;
+ CommandList_struct *c;
unsigned long flags;
// Get the ptr to our adapter structure (hba[i]) out of cmd->host.
// We violate cmd->host privacy here. (Is there another way?)
- c = (ctlr_info_t *) cmd->device->host->hostdata[0];
- ctlr = c->ctlr;
+ h = (ctlr_info_t *) cmd->device->host->hostdata[0];
- rc = lookup_scsi3addr(ctlr, cmd->device->channel, cmd->device->id,
+ rc = lookup_scsi3addr(h, cmd->device->channel, cmd->device->id,
cmd->device->lun, scsi3addr);
if (rc != 0) {
/* the scsi nexus does not match any that we presented... */
return 0;
}
- /* printk("cciss_queue_command, p=%p, cmd=0x%02x, c%db%dt%dl%d\n",
- cmd, cmd->cmnd[0], ctlr, cmd->channel, cmd->target, cmd->lun);*/
- // printk("q:%p:c%db%dt%dl%d ", cmd, ctlr, cmd->channel,
- // cmd->target, cmd->lun);
-
/* Ok, we have a reasonable scsi nexus, so send the cmd down, and
see what the device thinks of it. */
- spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
- cp = scsi_cmd_alloc(c);
- spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
- if (cp == NULL) { /* trouble... */
+ spin_lock_irqsave(&h->lock, flags);
+ c = scsi_cmd_alloc(h);
+ spin_unlock_irqrestore(&h->lock, flags);
+ if (c == NULL) { /* trouble... */
printk("scsi_cmd_alloc returned NULL!\n");
/* FIXME: next 3 lines are -> BAD! <- */
cmd->result = DID_NO_CONNECT << 16;
cmd->scsi_done = done; // save this for use by completion code
- // save cp in case we have to abort it
- cmd->host_scribble = (unsigned char *) cp;
+ /* save c in case we have to abort it */
+ cmd->host_scribble = (unsigned char *) c;
- cp->cmd_type = CMD_SCSI;
- cp->scsi_cmd = cmd;
- cp->Header.ReplyQueue = 0; // unused in simple mode
- memcpy(&cp->Header.LUN.LunAddrBytes[0], &scsi3addr[0], 8);
- cp->Header.Tag.lower = cp->busaddr; // Use k. address of cmd as tag
+ c->cmd_type = CMD_SCSI;
+ c->scsi_cmd = cmd;
+ c->Header.ReplyQueue = 0; /* unused in simple mode */
+ memcpy(&c->Header.LUN.LunAddrBytes[0], &scsi3addr[0], 8);
+ c->Header.Tag.lower = c->busaddr; /* Use k. address of cmd as tag */
// Fill in the request block...
- cp->Request.Timeout = 0;
- memset(cp->Request.CDB, 0, sizeof(cp->Request.CDB));
- BUG_ON(cmd->cmd_len > sizeof(cp->Request.CDB));
- cp->Request.CDBLen = cmd->cmd_len;
- memcpy(cp->Request.CDB, cmd->cmnd, cmd->cmd_len);
- cp->Request.Type.Type = TYPE_CMD;
- cp->Request.Type.Attribute = ATTR_SIMPLE;
+ c->Request.Timeout = 0;
+ memset(c->Request.CDB, 0, sizeof(c->Request.CDB));
+ BUG_ON(cmd->cmd_len > sizeof(c->Request.CDB));
+ c->Request.CDBLen = cmd->cmd_len;
+ memcpy(c->Request.CDB, cmd->cmnd, cmd->cmd_len);
+ c->Request.Type.Type = TYPE_CMD;
+ c->Request.Type.Attribute = ATTR_SIMPLE;
switch(cmd->sc_data_direction)
{
- case DMA_TO_DEVICE: cp->Request.Type.Direction = XFER_WRITE; break;
- case DMA_FROM_DEVICE: cp->Request.Type.Direction = XFER_READ; break;
- case DMA_NONE: cp->Request.Type.Direction = XFER_NONE; break;
+ case DMA_TO_DEVICE:
+ c->Request.Type.Direction = XFER_WRITE;
+ break;
+ case DMA_FROM_DEVICE:
+ c->Request.Type.Direction = XFER_READ;
+ break;
+ case DMA_NONE:
+ c->Request.Type.Direction = XFER_NONE;
+ break;
case DMA_BIDIRECTIONAL:
// This can happen if a buggy application does a scsi passthru
// and sets both inlen and outlen to non-zero. ( see
// ../scsi/scsi_ioctl.c:scsi_ioctl_send_command() )
- cp->Request.Type.Direction = XFER_RSVD;
+ c->Request.Type.Direction = XFER_RSVD;
// This is technically wrong, and cciss controllers should
// reject it with CMD_INVALID, which is the most correct
// response, but non-fibre backends appear to let it
BUG();
break;
}
- cciss_scatter_gather(c, cp, cmd);
- enqueue_cmd_and_start_io(c, cp);
+ cciss_scatter_gather(h, c, cmd);
+ enqueue_cmd_and_start_io(h, c);
/* the cmd'll come back via intr handler in complete_scsi_command() */
return 0;
}
-static void
-cciss_unregister_scsi(int ctlr)
+static void cciss_unregister_scsi(ctlr_info_t *h)
{
struct cciss_scsi_adapter_data_t *sa;
struct cciss_scsi_cmd_stack_t *stk;
/* we are being forcibly unloaded, and may not refuse. */
- spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
- sa = hba[ctlr]->scsi_ctlr;
+ spin_lock_irqsave(&h->lock, flags);
+ sa = h->scsi_ctlr;
stk = &sa->cmd_stack;
/* if we weren't ever actually registered, don't unregister */
if (sa->registered) {
- spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
+ spin_unlock_irqrestore(&h->lock, flags);
scsi_remove_host(sa->scsi_host);
scsi_host_put(sa->scsi_host);
- spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
+ spin_lock_irqsave(&h->lock, flags);
}
/* set scsi_host to NULL so our detect routine will
find us on register */
sa->scsi_host = NULL;
- spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
- scsi_cmd_stack_free(ctlr);
+ spin_unlock_irqrestore(&h->lock, flags);
+ scsi_cmd_stack_free(h);
kfree(sa);
}
-static int
-cciss_engage_scsi(int ctlr)
+static int cciss_engage_scsi(ctlr_info_t *h)
{
struct cciss_scsi_adapter_data_t *sa;
struct cciss_scsi_cmd_stack_t *stk;
unsigned long flags;
- spin_lock_irqsave(CCISS_LOCK(ctlr), flags);
- sa = hba[ctlr]->scsi_ctlr;
+ spin_lock_irqsave(&h->lock, flags);
+ sa = h->scsi_ctlr;
stk = &sa->cmd_stack;
if (sa->registered) {
- printk("cciss%d: SCSI subsystem already engaged.\n", ctlr);
- spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
+ printk(KERN_INFO "cciss%d: SCSI subsystem already engaged.\n",
+ h->ctlr);
+ spin_unlock_irqrestore(&h->lock, flags);
return -ENXIO;
}
sa->registered = 1;
- spin_unlock_irqrestore(CCISS_LOCK(ctlr), flags);
- cciss_update_non_disk_devices(ctlr, -1);
- cciss_scsi_detect(ctlr);
+ spin_unlock_irqrestore(&h->lock, flags);
+ cciss_update_non_disk_devices(h, -1);
+ cciss_scsi_detect(h);
return 0;
}
static void
-cciss_seq_tape_report(struct seq_file *seq, int ctlr)
+cciss_seq_tape_report(struct seq_file *seq, ctlr_info_t *h)
{
unsigned long flags;
- CPQ_TAPE_LOCK(ctlr, flags);
+ CPQ_TAPE_LOCK(h, flags);
seq_printf(seq,
"Sequential access devices: %d\n\n",
- ccissscsi[ctlr].ndevices);
- CPQ_TAPE_UNLOCK(ctlr, flags);
+ ccissscsi[h->ctlr].ndevices);
+ CPQ_TAPE_UNLOCK(h, flags);
}
static int wait_for_device_to_become_ready(ctlr_info_t *h,
waittime = waittime * 2;
/* Send the Test Unit Ready */
- rc = fill_cmd(c, TEST_UNIT_READY, h->ctlr, NULL, 0, 0,
+ rc = fill_cmd(h, c, TEST_UNIT_READY, NULL, 0, 0,
lunaddr, TYPE_CMD);
if (rc == 0)
rc = sendcmd_withirq_core(h, c, 0);
int rc;
CommandList_struct *cmd_in_trouble;
unsigned char lunaddr[8];
- ctlr_info_t *c;
- int ctlr;
+ ctlr_info_t *h;
/* find the controller to which the command to be aborted was sent */
- c = (ctlr_info_t *) scsicmd->device->host->hostdata[0];
- if (c == NULL) /* paranoia */
+ h = (ctlr_info_t *) scsicmd->device->host->hostdata[0];
+ if (h == NULL) /* paranoia */
return FAILED;
- ctlr = c->ctlr;
- printk(KERN_WARNING "cciss%d: resetting tape drive or medium changer.\n", ctlr);
+ printk(KERN_WARNING
+ "cciss%d: resetting tape drive or medium changer.\n", h->ctlr);
/* find the command that's giving us trouble */
cmd_in_trouble = (CommandList_struct *) scsicmd->host_scribble;
if (cmd_in_trouble == NULL) /* paranoia */
return FAILED;
memcpy(lunaddr, &cmd_in_trouble->Header.LUN.LunAddrBytes[0], 8);
/* send a reset to the SCSI LUN which the command was sent to */
- rc = sendcmd_withirq(CCISS_RESET_MSG, ctlr, NULL, 0, 0, lunaddr,
+ rc = sendcmd_withirq(h, CCISS_RESET_MSG, NULL, 0, 0, lunaddr,
TYPE_MSG);
- if (rc == 0 && wait_for_device_to_become_ready(c, lunaddr) == 0)
+ if (rc == 0 && wait_for_device_to_become_ready(h, lunaddr) == 0)
return SUCCESS;
- printk(KERN_WARNING "cciss%d: resetting device failed.\n", ctlr);
+ printk(KERN_WARNING "cciss%d: resetting device failed.\n", h->ctlr);
return FAILED;
}
int rc;
CommandList_struct *cmd_to_abort;
unsigned char lunaddr[8];
- ctlr_info_t *c;
- int ctlr;
+ ctlr_info_t *h;
/* find the controller to which the command to be aborted was sent */
- c = (ctlr_info_t *) scsicmd->device->host->hostdata[0];
- if (c == NULL) /* paranoia */
+ h = (ctlr_info_t *) scsicmd->device->host->hostdata[0];
+ if (h == NULL) /* paranoia */
return FAILED;
- ctlr = c->ctlr;
- printk(KERN_WARNING "cciss%d: aborting tardy SCSI cmd\n", ctlr);
+ printk(KERN_WARNING "cciss%d: aborting tardy SCSI cmd\n", h->ctlr);
/* find the command to be aborted */
cmd_to_abort = (CommandList_struct *) scsicmd->host_scribble;
if (cmd_to_abort == NULL) /* paranoia */
return FAILED;
memcpy(lunaddr, &cmd_to_abort->Header.LUN.LunAddrBytes[0], 8);
- rc = sendcmd_withirq(CCISS_ABORT_MSG, ctlr, &cmd_to_abort->Header.Tag,
+ rc = sendcmd_withirq(h, CCISS_ABORT_MSG, &cmd_to_abort->Header.Tag,
0, 0, lunaddr, TYPE_MSG);
if (rc == 0)
return SUCCESS;
projects / GitHub / exynos8895 / android_kernel_samsung_universal8895.git / commitdiff