* along with this kernel; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
* *
- * Linux kernel 2.4.x, 2.6.x supported *
+ * Linux kernel 2.6.x supported *
* *
- * $Log: gdth.c,v $
- * Revision 1.74 2006/04/10 13:44:47 achim
- * Community changes for 2.6.x
- * Kernel 2.2.x no longer supported
- * scsi_request interface removed, thanks to Christoph Hellwig
- *
- * Revision 1.73 2004/03/31 13:33:03 achim
- * Special command 0xfd implemented to detect 64-bit DMA support
- *
- * Revision 1.72 2004/03/17 08:56:04 achim
- * 64-bit DMA only enabled if FW >= x.43
- *
- * Revision 1.71 2004/03/05 15:51:29 achim
- * Screen service: separate message buffer, bugfixes
- *
- * Revision 1.70 2004/02/27 12:19:07 achim
- * Bugfix: Reset bit in config (0xfe) call removed
- *
- * Revision 1.69 2004/02/20 09:50:24 achim
- * Compatibility changes for kernels < 2.4.20
- * Bugfix screen service command size
- * pci_set_dma_mask() error handling added
- *
- * Revision 1.68 2004/02/19 15:46:54 achim
- * 64-bit DMA bugfixes
- * Drive size bugfix for drives > 1TB
- *
- * Revision 1.67 2004/01/14 13:11:57 achim
- * Tool access over /proc no longer supported
- * Bugfixes IOCTLs
- *
- * Revision 1.66 2003/12/19 15:04:06 achim
- * Bugfixes support for drives > 2TB
- *
- * Revision 1.65 2003/12/15 11:21:56 achim
- * 64-bit DMA support added
- * Support for drives > 2 TB implemented
- * Kernels 2.2.x, 2.4.x, 2.6.x supported
- *
- * Revision 1.64 2003/09/17 08:30:26 achim
- * EISA/ISA controller scan disabled
- * Command line switch probe_eisa_isa added
- *
- * Revision 1.63 2003/07/12 14:01:00 Daniele Bellucci <bellucda@tiscali.it>
- * Minor cleanups in gdth_ioctl.
- *
- * Revision 1.62 2003/02/27 15:01:59 achim
- * Dynamic DMA mapping implemented
- * New (character device) IOCTL interface added
- * Other controller related changes made
- *
- * Revision 1.61 2002/11/08 13:09:52 boji
- * Added support for XSCALE based RAID Controllers
- * Fixed SCREENSERVICE initialization in SMP cases
- * Added checks for gdth_polling before GDTH_HA_LOCK
- *
- * Revision 1.60 2002/02/05 09:35:22 achim
- * MODULE_LICENSE only if kernel >= 2.4.11
- *
- * Revision 1.59 2002/01/30 09:46:33 achim
- * Small changes
- *
- * Revision 1.58 2002/01/29 15:30:02 achim
- * Set default value of shared_access to Y
- * New status S_CACHE_RESERV for clustering added
- *
- * Revision 1.57 2001/08/21 11:16:35 achim
- * Bugfix free_irq()
- *
- * Revision 1.56 2001/08/09 11:19:39 achim
- * Scsi_Host_Template changes
- *
- * Revision 1.55 2001/08/09 10:11:28 achim
- * Command HOST_UNFREEZE_IO before cache service init.
- *
- * Revision 1.54 2001/07/20 13:48:12 achim
- * Expand: gdth_analyse_hdrive() removed
- *
- * Revision 1.53 2001/07/17 09:52:49 achim
- * Small OEM related change
- *
- * Revision 1.52 2001/06/19 15:06:20 achim
- * New host command GDT_UNFREEZE_IO added
- *
- * Revision 1.51 2001/05/22 06:42:37 achim
- * PCI: Subdevice ID added
- *
- * Revision 1.50 2001/05/17 13:42:16 achim
- * Support for Intel Storage RAID Controllers added
- *
- * Revision 1.50 2001/05/17 12:12:34 achim
- * Support for Intel Storage RAID Controllers added
- *
- * Revision 1.49 2001/03/15 15:07:17 achim
- * New __setup interface for boot command line options added
- *
- * Revision 1.48 2001/02/06 12:36:28 achim
- * Bugfix Cluster protocol
- *
- * Revision 1.47 2001/01/10 14:42:06 achim
- * New switch shared_access added
- *
- * Revision 1.46 2001/01/09 08:11:35 achim
- * gdth_command() removed
- * meaning of Scsi_Pointer members changed
- *
- * Revision 1.45 2000/11/16 12:02:24 achim
- * Changes for kernel 2.4
- *
- * Revision 1.44 2000/10/11 08:44:10 achim
- * Clustering changes: New flag media_changed added
- *
- * Revision 1.43 2000/09/20 12:59:01 achim
- * DPMEM remap functions for all PCI controller types implemented
- * Small changes for ia64 platform
- *
- * Revision 1.42 2000/07/20 09:04:50 achim
- * Small changes for kernel 2.4
- *
- * Revision 1.41 2000/07/04 14:11:11 achim
- * gdth_analyse_hdrive() added to rescan drives after online expansion
- *
- * Revision 1.40 2000/06/27 11:24:16 achim
- * Changes Clustering, Screenservice
- *
- * Revision 1.39 2000/06/15 13:09:04 achim
- * Changes for gdth_do_cmd()
- *
- * Revision 1.38 2000/06/15 12:08:43 achim
- * Bugfix gdth_sync_event(), service SCREENSERVICE
- * Data direction for command 0xc2 changed to DOU
- *
- * Revision 1.37 2000/05/25 13:50:10 achim
- * New driver parameter virt_ctr added
- *
- * Revision 1.36 2000/05/04 08:50:46 achim
- * Event buffer now in gdth_ha_str
- *
- * Revision 1.35 2000/03/03 10:44:08 achim
- * New event_string only valid for the RP controller family
- *
- * Revision 1.34 2000/03/02 14:55:29 achim
- * New mechanism for async. event handling implemented
- *
- * Revision 1.33 2000/02/21 15:37:37 achim
- * Bugfix Alpha platform + DPMEM above 4GB
- *
- * Revision 1.32 2000/02/14 16:17:37 achim
- * Bugfix sense_buffer[] + raw devices
- *
- * Revision 1.31 2000/02/10 10:29:00 achim
- * Delete sense_buffer[0], if command OK
- *
- * Revision 1.30 1999/11/02 13:42:39 achim
- * ARRAY_DRV_LIST2 implemented
- * Now 255 log. and 100 host drives supported
- *
- * Revision 1.29 1999/10/05 13:28:47 achim
- * GDT_CLUST_RESET added
- *
- * Revision 1.28 1999/08/12 13:44:54 achim
- * MOUNTALL removed
- * Cluster drives -> removeable drives
- *
- * Revision 1.27 1999/06/22 07:22:38 achim
- * Small changes
- *
- * Revision 1.26 1999/06/10 16:09:12 achim
- * Cluster Host Drive support: Bugfixes
- *
- * Revision 1.25 1999/06/01 16:03:56 achim
- * gdth_init_pci(): Manipulate config. space to start RP controller
- *
- * Revision 1.24 1999/05/26 11:53:06 achim
- * Cluster Host Drive support added
- *
- * Revision 1.23 1999/03/26 09:12:31 achim
- * Default value for hdr_channel set to 0
- *
- * Revision 1.22 1999/03/22 16:27:16 achim
- * Bugfix: gdth_store_event() must not be locked with GDTH_LOCK_HA()
- *
- * Revision 1.21 1999/03/16 13:40:34 achim
- * Problems with reserved drives solved
- * gdth_eh_bus_reset() implemented
- *
- * Revision 1.20 1999/03/10 09:08:13 achim
- * Bugfix: Corrections in gdth_direction_tab[] made
- * Bugfix: Increase command timeout (gdth_update_timeout()) NOT in gdth_putq()
- *
- * Revision 1.19 1999/03/05 14:38:16 achim
- * Bugfix: Heads/Sectors mapping for reserved devices possibly wrong
- * -> gdth_eval_mapping() implemented, changes in gdth_bios_param()
- * INIT_RETRIES set to 100s to avoid DEINIT-Timeout for controllers
- * with BIOS disabled and memory test set to Intensive
- * Enhanced /proc support
- *
- * Revision 1.18 1999/02/24 09:54:33 achim
- * Command line parameter hdr_channel implemented
- * Bugfix for EISA controllers + Linux 2.2.x
- *
- * Revision 1.17 1998/12/17 15:58:11 achim
- * Command line parameters implemented
- * Changes for Alpha platforms
- * PCI controller scan changed
- * SMP support improved (spin_lock_irqsave(),...)
- * New async. events, new scan/reserve commands included
- *
- * Revision 1.16 1998/09/28 16:08:46 achim
- * GDT_PCIMPR: DPMEM remapping, if required
- * mdelay() added
- *
- * Revision 1.15 1998/06/03 14:54:06 achim
- * gdth_delay(), gdth_flush() implemented
- * Bugfix: gdth_release() changed
- *
- * Revision 1.14 1998/05/22 10:01:17 achim
- * mj: pcibios_strerror() removed
- * Improved SMP support (if version >= 2.1.95)
- * gdth_halt(): halt_called flag added (if version < 2.1)
- *
- * Revision 1.13 1998/04/16 09:14:57 achim
- * Reserve drives (for raw service) implemented
- * New error handling code enabled
- * Get controller name from board_info() IOCTL
- * Final round of PCI device driver patches by Martin Mares
- *
- * Revision 1.12 1998/03/03 09:32:37 achim
- * Fibre channel controller support added
- *
- * Revision 1.11 1998/01/27 16:19:14 achim
- * SA_SHIRQ added
- * add_timer()/del_timer() instead of GDTH_TIMER
- * scsi_add_timer()/scsi_del_timer() instead of SCSI_TIMER
- * New error handling included
- *
- * Revision 1.10 1997/10/31 12:29:57 achim
- * Read heads/sectors from host drive
- *
- * Revision 1.9 1997/09/04 10:07:25 achim
- * IO-mapping with virt_to_bus(), gdth_readb(), gdth_writeb(), ...
- * register_reboot_notifier() to get a notify on shutown used
- *
- * Revision 1.8 1997/04/02 12:14:30 achim
- * Version 1.00 (see gdth.h), tested with kernel 2.0.29
- *
- * Revision 1.7 1997/03/12 13:33:37 achim
- * gdth_reset() changed, new async. events
- *
- * Revision 1.6 1997/03/04 14:01:11 achim
- * Shutdown routine gdth_halt() implemented
- *
- * Revision 1.5 1997/02/21 09:08:36 achim
- * New controller included (RP, RP1, RP2 series)
- * IOCTL interface implemented
- *
- * Revision 1.4 1996/07/05 12:48:55 achim
- * Function gdth_bios_param() implemented
- * New constant GDTH_MAXC_P_L inserted
- * GDT_WRITE_THR, GDT_EXT_INFO implemented
- * Function gdth_reset() changed
- *
- * Revision 1.3 1996/05/10 09:04:41 achim
- * Small changes for Linux 1.2.13
- *
- * Revision 1.2 1996/05/09 12:45:27 achim
- * Loadable module support implemented
- * /proc support corrections made
- *
- * Revision 1.1 1996/04/11 07:35:57 achim
- * Initial revision
- *
************************************************************************/
/* All GDT Disk Array Controllers are fully supported by this driver.
#include <linux/proc_fs.h>
#include <linux/time.h>
#include <linux/timer.h>
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,6)
#include <linux/dma-mapping.h>
-#else
-#define DMA_32BIT_MASK 0x00000000ffffffffULL
-#define DMA_64BIT_MASK 0xffffffffffffffffULL
-#endif
#ifdef GDTH_RTC
#include <linux/mc146818rtc.h>
#include <asm/io.h>
#include <asm/uaccess.h>
#include <linux/spinlock.h>
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
#include <linux/blkdev.h>
-#else
-#include <linux/blk.h>
-#include "sd.h"
-#endif
#include "scsi.h"
#include <scsi/scsi_host.h>
-#include "gdth_kcompat.h"
#include "gdth.h"
static void gdth_delay(int milliseconds);
static int force_dma32 = 0;
/* parameters for modprobe/insmod */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,11)
module_param_array(irq, int, NULL, 0);
module_param(disable, int, 0);
module_param(reserve_mode, int, 0);
module_param(shared_access, int, 0);
module_param(probe_eisa_isa, int, 0);
module_param(force_dma32, int, 0);
-#else
-MODULE_PARM(irq, "i");
-MODULE_PARM(disable, "i");
-MODULE_PARM(reserve_mode, "i");
-MODULE_PARM(reserve_list, "4-" __MODULE_STRING(MAX_RES_ARGS) "i");
-MODULE_PARM(reverse_scan, "i");
-MODULE_PARM(hdr_channel, "i");
-MODULE_PARM(max_ids, "i");
-MODULE_PARM(rescan, "i");
-MODULE_PARM(virt_ctr, "i");
-MODULE_PARM(shared_access, "i");
-MODULE_PARM(probe_eisa_isa, "i");
-MODULE_PARM(force_dma32, "i");
-#endif
MODULE_AUTHOR("Achim Leubner");
MODULE_LICENSE("GPL");
}
}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
static void gdth_scsi_done(struct scsi_cmnd *scp)
{
TRACE2(("gdth_scsi_done()\n"));
kfree(scp);
return rval;
}
-#else
-static void gdth_scsi_done(Scsi_Cmnd *scp)
-{
- TRACE2(("gdth_scsi_done()\n"));
-
- scp->request.rq_status = RQ_SCSI_DONE;
- if (scp->request.waiting)
- complete(scp->request.waiting);
-}
-
-int __gdth_execute(struct scsi_device *sdev, gdth_cmd_str *gdtcmd, char *cmnd,
- int timeout, u32 *info)
-{
- Scsi_Cmnd *scp = scsi_allocate_device(sdev, 1, FALSE);
- unsigned bufflen = gdtcmd ? sizeof(gdth_cmd_str) : 0;
- DECLARE_COMPLETION_ONSTACK(wait);
- int rval;
-
- if (!scp)
- return -ENOMEM;
- scp->cmd_len = 12;
- scp->use_sg = 0;
- scp->SCp.this_residual = IOCTL_PRI; /* priority */
- scp->request.rq_status = RQ_SCSI_BUSY;
- scp->request.waiting = &wait;
- scsi_do_cmd(scp, cmnd, gdtcmd, bufflen, gdth_scsi_done, timeout*HZ, 1);
- wait_for_completion(&wait);
-
- rval = scp->SCp.Status;
- if (info)
- *info = scp->SCp.Message;
-
- scsi_release_command(scp);
- return rval;
-}
-#endif
int gdth_execute(struct Scsi_Host *shost, gdth_cmd_str *gdtcmd, char *cmnd,
int timeout, u32 *info)
printk("GDT-HA %d: Vendor: %s Name: %s\n",
hanum,oemstr->text.oem_company_name,ha->binfo.type_string);
/* Save the Host Drive inquiry data */
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
strlcpy(ha->oem_name,oemstr->text.scsi_host_drive_inquiry_vendor_id,
sizeof(ha->oem_name));
-#else
- strncpy(ha->oem_name,oemstr->text.scsi_host_drive_inquiry_vendor_id,7);
- ha->oem_name[7] = '\0';
-#endif
} else {
/* Old method, based on PCI ID */
TRACE2(("gdth_search_drives(): CACHE_READ_OEM_STRING_RECORD failed\n"));
printk("GDT-HA %d: Name: %s\n",
hanum,ha->binfo.type_string);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
if (ha->oem_id == OEM_ID_INTEL)
strlcpy(ha->oem_name,"Intel ", sizeof(ha->oem_name));
else
strlcpy(ha->oem_name,"ICP ", sizeof(ha->oem_name));
-#else
- if (ha->oem_id == OEM_ID_INTEL)
- strcpy(ha->oem_name,"Intel ");
- else
- strcpy(ha->oem_name,"ICP ");
-#endif
}
/* scanning for host drives */
return;
}
local_irq_save(flags);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
address = kmap_atomic(sl->page, KM_BIO_SRC_IRQ) + sl->offset;
memcpy(address,buffer,cpnow);
flush_dcache_page(sl->page);
kunmap_atomic(address, KM_BIO_SRC_IRQ);
-#else
- address = kmap_atomic(sl->page, KM_BH_IRQ) + sl->offset;
- memcpy(address,buffer,cpnow);
- flush_dcache_page(sl->page);
- kunmap_atomic(address, KM_BH_IRQ);
-#endif
local_irq_restore(flags);
if (cpsum == cpcount)
break;
}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
static int __init gdth_detect(struct scsi_host_template *shtp)
-#else
-static int __init gdth_detect(Scsi_Host_Template *shtp)
-#endif
{
#ifdef DEBUG_GDTH
printk("GDT: This driver contains debugging information !! Trace level = %d\n",
return SUCCESS;
}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
static int gdth_bios_param(struct scsi_device *sdev,struct block_device *bdev,sector_t cap,int *ip)
-#else
-static int gdth_bios_param(Disk *disk,kdev_t dev,int *ip)
-#endif
{
unchar b, t;
int hanum;
struct scsi_device *sd;
unsigned capacity;
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
sd = sdev;
capacity = cap;
-#else
- sd = disk->device;
- capacity = disk->capacity;
-#endif
hanum = NUMDATA(sd->host)->hanum;
b = virt_ctr ? NUMDATA(sd->host)->busnum : sd->channel;
t = sd->id;
hanum = res.ionode;
ha = HADATA(gdth_ctr_tab[hanum]);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
scp = kzalloc(sizeof(*scp), GFP_KERNEL);
if (!scp)
return -ENOMEM;
rval = gdth_eh_bus_reset(scp);
res.status = (rval == SUCCESS ? S_OK : S_GENERR);
kfree(scp);
-#else
- scp = scsi_allocate_device(ha->sdev, 1, FALSE);
- if (!scp)
- return -ENOMEM;
- scp->cmd_len = 12;
- scp->use_sg = 0;
- scp->channel = virt_ctr ? 0 : res.number;
- rval = gdth_eh_bus_reset(scp);
- res.status = (rval == SUCCESS ? S_OK : S_GENERR);
- scsi_release_command(scp);
-#endif
+
if (copy_to_user(argp, &res, sizeof(gdth_ioctl_reset)))
return -EFAULT;
break;
return NOTIFY_OK;
}
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
/* configure lun */
static int gdth_slave_configure(struct scsi_device *sdev)
{
sdev->skip_ms_page_8 = 1;
return 0;
}
-#endif
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
static struct scsi_host_template driver_template = {
-#else
-static Scsi_Host_Template driver_template = {
-#endif
.proc_name = "gdth",
.proc_info = gdth_proc_info,
.name = "GDT SCSI Disk Array Controller",
.eh_bus_reset_handler = gdth_eh_bus_reset,
.bios_param = gdth_bios_param,
.can_queue = GDTH_MAXCMDS,
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0)
.slave_configure = gdth_slave_configure,
-#endif
.this_id = -1,
.sg_tablesize = GDTH_MAXSG,
.cmd_per_lun = GDTH_MAXC_P_L,
.unchecked_isa_dma = 1,
.use_clustering = ENABLE_CLUSTERING,
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0)
- .use_new_eh_code = 1,
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,20)
- .highmem_io = 1,
-#endif
-#endif
};
#ifdef CONFIG_ISA
projects / linux-2.6 / commitdiff