diff options
Diffstat (limited to 'drivers/scsi/gdth.c')
| -rw-r--r-- | drivers/scsi/gdth.c | 396 |
1 files changed, 2 insertions, 394 deletions
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index 9e4dd48899b6..a3b0190028f6 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -27,280 +27,8 @@ * 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. @@ -392,12 +120,7 @@ #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> @@ -409,16 +132,10 @@ #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); @@ -658,7 +375,6 @@ static int probe_eisa_isa = 0; 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); @@ -671,20 +387,6 @@ module_param(virt_ctr, 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"); @@ -716,7 +418,6 @@ static void gdth_delay(int milliseconds) } } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) static void gdth_scsi_done(struct scsi_cmnd *scp) { TRACE2(("gdth_scsi_done()\n")); @@ -756,42 +457,6 @@ int __gdth_execute(struct scsi_device *sdev, gdth_cmd_str *gdtcmd, char *cmnd, 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) @@ -2258,29 +1923,17 @@ static int __init gdth_search_drives(int hanum) 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 */ @@ -2689,17 +2342,10 @@ static void gdth_copy_internal_data(int hanum,Scsi_Cmnd *scp, 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; @@ -4293,11 +3939,7 @@ int __init option_setup(char *str) } -#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", @@ -4539,11 +4181,7 @@ static int gdth_eh_bus_reset(Scsi_Cmnd *scp) 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; @@ -4551,13 +4189,8 @@ static int gdth_bios_param(Disk *disk,kdev_t dev,int *ip) 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; @@ -5173,7 +4806,6 @@ static int gdth_ioctl(struct inode *inode, struct file *filep, 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; @@ -5184,17 +4816,7 @@ static int gdth_ioctl(struct inode *inode, struct file *filep, 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; @@ -5282,7 +4904,6 @@ static int gdth_halt(struct notifier_block *nb, ulong event, void *buf) return NOTIFY_OK; } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) /* configure lun */ static int gdth_slave_configure(struct scsi_device *sdev) { @@ -5291,13 +4912,8 @@ 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", @@ -5308,20 +4924,12 @@ static Scsi_Host_Template driver_template = { .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 |