diff options
Diffstat (limited to 'drivers/scsi/gdth.c')
| -rw-r--r-- | drivers/scsi/gdth.c | 517 |
1 files changed, 239 insertions, 278 deletions
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index d5740bb..76071a1 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -4,9 +4,9 @@ * Intel Corporation: Storage RAID Controllers * * * * gdth.c * - * Copyright (C) 1995-04 ICP vortex GmbH, Achim Leubner * + * Copyright (C) 1995-06 ICP vortex GmbH, Achim Leubner * * Copyright (C) 2002-04 Intel Corporation * - * Copyright (C) 2003-04 Adaptec Inc. * + * Copyright (C) 2003-06 Adaptec Inc. * * <achim_leubner@adaptec.com> * * * * Additions/Fixes: * @@ -27,9 +27,14 @@ * along with this kernel; if not, write to the Free Software * * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * * - * Linux kernel 2.2.x, 2.4.x, 2.6.x supported * + * Linux kernel 2.4.x, 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 * @@ -94,7 +99,7 @@ * Bugfix free_irq() * * Revision 1.56 2001/08/09 11:19:39 achim - * struct scsi_host_template changes + * Scsi_Host_Template changes * * Revision 1.55 2001/08/09 10:11:28 achim * Command HOST_UNFREEZE_IO before cache service init. @@ -388,7 +393,13 @@ #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> #endif @@ -408,8 +419,8 @@ #include "scsi.h" #include <scsi/scsi_host.h> -#include "gdth.h" #include "gdth_kcompat.h" +#include "gdth.h" static void gdth_delay(int milliseconds); static void gdth_eval_mapping(ulong32 size, ulong32 *cyls, int *heads, int *secs); @@ -464,6 +475,8 @@ static int gdth_ioctl(struct inode *inode, struct file *filep, static void gdth_flush(int hanum); static int gdth_halt(struct notifier_block *nb, ulong event, void *buf); +static int gdth_queuecommand(Scsi_Cmnd *scp,void (*done)(Scsi_Cmnd *)); +static void gdth_scsi_done(struct scsi_cmnd *scp); #ifdef DEBUG_GDTH static unchar DebugState = DEBUG_GDTH; @@ -556,8 +569,8 @@ static struct timer_list gdth_timer; #endif #define PTR2USHORT(a) (ushort)(ulong)(a) -#define GDTOFFSOF(a,b) (size_t)&(((a*)0)->b) -#define INDEX_OK(i,t) ((i)<sizeof(t)/sizeof((t)[0])) +#define GDTOFFSOF(a,b) (size_t)&(((a*)0)->b) +#define INDEX_OK(i,t) ((i)<ARRAY_SIZE(t)) #define NUMDATA(a) ( (gdth_num_str *)((a)->hostdata)) #define HADATA(a) (&((gdth_ext_str *)((a)->hostdata))->haext) @@ -643,6 +656,7 @@ 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); @@ -655,6 +669,20 @@ 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"); @@ -683,6 +711,91 @@ 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")); + + if (scp->request) + complete((struct completion *)scp->request); +} + +int __gdth_execute(struct scsi_device *sdev, gdth_cmd_str *gdtcmd, char *cmnd, + int timeout, u32 *info) +{ + Scsi_Cmnd *scp; + DECLARE_COMPLETION(wait); + int rval; + + scp = kmalloc(sizeof(*scp), GFP_KERNEL); + if (!scp) + return -ENOMEM; + memset(scp, 0, sizeof(*scp)); + scp->device = sdev; + /* use request field to save the ptr. to completion struct. */ + scp->request = (struct request *)&wait; + scp->timeout_per_command = timeout*HZ; + scp->request_buffer = gdtcmd; + scp->cmd_len = 12; + memcpy(scp->cmnd, cmnd, 12); + scp->SCp.this_residual = IOCTL_PRI; /* priority */ + scp->done = gdth_scsi_done; /* some fn. test this */ + gdth_queuecommand(scp, gdth_scsi_done); + wait_for_completion(&wait); + + rval = scp->SCp.Status; + if (info) + *info = scp->SCp.Message; + 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(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) +{ + struct scsi_device *sdev = scsi_get_host_dev(shost); + int rval = __gdth_execute(sdev, gdtcmd, cmnd, timeout, info); + + scsi_free_host_dev(sdev); + return rval; +} + static void gdth_eval_mapping(ulong32 size, ulong32 *cyls, int *heads, int *secs) { *cyls = size /HEADS/SECS; @@ -773,7 +886,7 @@ static struct pci_device_id gdthtable[] __attribute_used__ = { MODULE_DEVICE_TABLE(pci,gdthtable); static void __init gdth_search_dev(gdth_pci_str *pcistr, ushort *cnt, - ushort vendor, ushort device) + ushort vendor, ushort device) { ulong base0, base1, base2; struct pci_dev *pdev; @@ -2248,14 +2361,16 @@ static void gdth_putq(int hanum,Scsi_Cmnd *scp,unchar priority) ha = HADATA(gdth_ctr_tab[hanum]); spin_lock_irqsave(&ha->smp_lock, flags); - scp->SCp.this_residual = (int)priority; - b = virt_ctr ? NUMDATA(scp->device->host)->busnum : scp->device->channel; - t = scp->device->id; - if (priority >= DEFAULT_PRI) { - if ((b != ha->virt_bus && ha->raw[BUS_L2P(ha,b)].lock) || - (b == ha->virt_bus && t < MAX_HDRIVES && ha->hdr[t].lock)) { - TRACE2(("gdth_putq(): locked IO -> update_timeout()\n")); - scp->SCp.buffers_residual = gdth_update_timeout(hanum, scp, 0); + if (scp->done != gdth_scsi_done) { + scp->SCp.this_residual = (int)priority; + b = virt_ctr ? NUMDATA(scp->device->host)->busnum:scp->device->channel; + t = scp->device->id; + if (priority >= DEFAULT_PRI) { + if ((b != ha->virt_bus && ha->raw[BUS_L2P(ha,b)].lock) || + (b==ha->virt_bus && t<MAX_HDRIVES && ha->hdr[t].lock)) { + TRACE2(("gdth_putq(): locked IO ->update_timeout()\n")); + scp->SCp.buffers_residual = gdth_update_timeout(hanum, scp, 0); + } } } @@ -2309,14 +2424,18 @@ static void gdth_next(int hanum) for (nscp = pscp = ha->req_first; nscp; nscp = (Scsi_Cmnd *)nscp->SCp.ptr) { if (nscp != pscp && nscp != (Scsi_Cmnd *)pscp->SCp.ptr) pscp = (Scsi_Cmnd *)pscp->SCp.ptr; - b = virt_ctr ? NUMDATA(nscp->device->host)->busnum : nscp->device->channel; - t = nscp->device->id; - l = nscp->device->lun; - if (nscp->SCp.this_residual >= DEFAULT_PRI) { - if ((b != ha->virt_bus && ha->raw[BUS_L2P(ha,b)].lock) || - (b == ha->virt_bus && t < MAX_HDRIVES && ha->hdr[t].lock)) - continue; - } + if (nscp->done != gdth_scsi_done) { + b = virt_ctr ? + NUMDATA(nscp->device->host)->busnum : nscp->device->channel; + t = nscp->device->id; + l = nscp->device->lun; + if (nscp->SCp.this_residual >= DEFAULT_PRI) { + if ((b != ha->virt_bus && ha->raw[BUS_L2P(ha,b)].lock) || + (b == ha->virt_bus && t < MAX_HDRIVES && ha->hdr[t].lock)) + continue; + } + } else + b = t = l = 0; if (firsttime) { if (gdth_test_busy(hanum)) { /* controller busy ? */ @@ -2331,7 +2450,7 @@ static void gdth_next(int hanum) firsttime = FALSE; } - if (nscp->done != gdth_scsi_done || nscp->cmnd[0] != 0xff) { + if (nscp->done != gdth_scsi_done) { if (nscp->SCp.phase == -1) { nscp->SCp.phase = CACHESERVICE; /* default: cache svc. */ if (nscp->cmnd[0] == TEST_UNIT_READY) { @@ -2394,7 +2513,7 @@ static void gdth_next(int hanum) else nscp->scsi_done(nscp); } - } else if (nscp->done == gdth_scsi_done && nscp->cmnd[0] == 0xff) { + } else if (nscp->done == gdth_scsi_done) { if (!(cmd_index=gdth_special_cmd(hanum,nscp))) this_cmd = FALSE; next_cmd = FALSE; @@ -2542,13 +2661,13 @@ static void gdth_copy_internal_data(int hanum,Scsi_Cmnd *scp, gdth_ha_str *ha; char *address; - cpcount = count<=(ushort)scp->bufflen ? count:(ushort)scp->bufflen; + cpcount = count<=(ushort)scp->request_bufflen ? count:(ushort)scp->request_bufflen; ha = HADATA(gdth_ctr_tab[hanum]); if (scp->use_sg) { sl = (struct scatterlist *)scp->request_buffer; for (i=0,cpsum=0; i<scp->use_sg; ++i,++sl) { - unsigned long flags; + unsigned long flags; cpnow = (ushort)sl->length; TRACE(("copy_internal() now %d sum %d count %d %d\n", cpnow,cpsum,cpcount,(ushort)scp->bufflen)); @@ -2560,12 +2679,19 @@ static void gdth_copy_internal_data(int hanum,Scsi_Cmnd *scp, hanum); return; } - local_irq_save(flags); - address = kmap_atomic(sl->page, KM_BIO_SRC_IRQ) + sl->offset; + 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_BIO_SRC_IRQ); - local_irq_restore(flags); + flush_dcache_page(sl->page); + kunmap_atomic(address, KM_BH_IRQ); +#endif + local_irq_restore(flags); if (cpsum == cpcount) break; buffer += cpnow; @@ -2946,9 +3072,9 @@ static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b) offset = (ulong)scp->sense_buffer & ~PAGE_MASK; sense_paddr = pci_map_page(ha->pdev,page,offset, 16,PCI_DMA_FROMDEVICE); - scp->SCp.buffer = (struct scatterlist *)((ulong32)sense_paddr); + *(ulong32 *)&scp->SCp.buffer = (ulong32)sense_paddr; /* high part, if 64bit */ - scp->host_scribble = (char *)(ulong32)((ulong64)sense_paddr >> 32); + *(ulong32 *)&scp->host_scribble = (ulong32)((ulong64)sense_paddr >> 32); cmdp->OpCode = GDT_WRITE; /* always */ cmdp->BoardNode = LOCALBOARD; if (mode64) { @@ -3022,7 +3148,7 @@ static int gdth_fill_raw_cmd(int hanum,Scsi_Cmnd *scp,unchar b) } #endif - } else { + } else if (scp->request_bufflen) { scp->SCp.Status = GDTH_MAP_SINGLE; scp->SCp.Message = PCI_DMA_BIDIRECTIONAL; page = virt_to_page(scp->request_buffer); @@ -3309,7 +3435,7 @@ static irqreturn_t gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs) } if (!gdth_polling) - spin_lock_irqsave(&ha2->smp_lock, flags); + spin_lock_irqsave(&ha2->smp_lock, flags); wait_index = 0; /* search controller */ @@ -3642,9 +3768,10 @@ static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp) scp->request_bufflen,scp->SCp.Message); if (scp->SCp.buffer) { dma_addr_t addr; - addr = (dma_addr_t)(ulong32)scp->SCp.buffer; + addr = (dma_addr_t)*(ulong32 *)&scp->SCp.buffer; if (scp->host_scribble) - addr += (dma_addr_t)((ulong64)(ulong32)scp->host_scribble << 32); + addr += (dma_addr_t) + ((ulong64)(*(ulong32 *)&scp->host_scribble) << 32); pci_unmap_page(ha->pdev,addr,16,PCI_DMA_FROMDEVICE); } @@ -4154,7 +4281,11 @@ int __init option_setup(char *str) return 1; } +#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 { struct Scsi_Host *shp; gdth_pci_str pcistr[MAXHA]; @@ -4188,7 +4319,7 @@ static int __init gdth_detect(struct scsi_host_template *shtp) return 0; } - printk("GDT-HA: Storage RAID Controller Driver. Version: %s \n",GDTH_VERSION_STR); + printk("GDT-HA: Storage RAID Controller Driver. Version: %s\n",GDTH_VERSION_STR); /* initializations */ gdth_polling = TRUE; b = 0; gdth_clear_events(); @@ -4751,7 +4882,7 @@ static int gdth_eh_bus_reset(Scsi_Cmnd *scp) gdth_internal_cmd(hanum, SCSIRAWSERVICE, GDT_RESET_BUS, BUS_L2P(ha,b), 0, 0); gdth_polling = FALSE; - spin_unlock_irqrestore(&ha->smp_lock, flags); + spin_unlock_irqrestore(&ha->smp_lock, flags); } return SUCCESS; } @@ -4819,7 +4950,9 @@ static int gdth_queuecommand(Scsi_Cmnd *scp,void (*done)(Scsi_Cmnd *)) priority = DEFAULT_PRI; if (scp->done == gdth_scsi_done) priority = scp->SCp.this_residual; - gdth_update_timeout(hanum, scp, scp->timeout_per_command * 6); + else + gdth_update_timeout(hanum, scp, scp->timeout_per_command * 6); + gdth_putq( hanum, scp, priority ); gdth_next( hanum ); return 0; @@ -4922,11 +5055,7 @@ static int ioc_resetdrv(void __user *arg, char *cmnd) gdth_cmd_str cmd; int hanum; gdth_ha_str *ha; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - Scsi_Request *srp; -#else - Scsi_Cmnd *scp; -#endif + int rval; if (copy_from_user(&res, arg, sizeof(gdth_ioctl_reset)) || res.ionode >= gdth_ctr_count || res.number >= MAX_HDRIVES) @@ -4943,25 +5072,11 @@ static int ioc_resetdrv(void __user *arg, char *cmnd) cmd.u.cache64.DeviceNo = res.number; else cmd.u.cache.DeviceNo = res.number; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - srp = scsi_allocate_request(ha->sdev, GFP_KERNEL); - if (!srp) - return -ENOMEM; - srp->sr_cmd_len = 12; - srp->sr_use_sg = 0; - gdth_do_req(srp, &cmd, cmnd, 30); - res.status = (ushort)srp->sr_command->SCp.Status; - scsi_release_request(srp); -#else - scp = scsi_allocate_device(ha->sdev, 1, FALSE); - if (!scp) - return -ENOMEM; - scp->cmd_len = 12; - scp->use_sg = 0; - gdth_do_cmd(scp, &cmd, cmnd, 30); - res.status = (ushort)scp->SCp.Status; - scsi_release_command(scp); -#endif + + rval = __gdth_execute(ha->sdev, &cmd, cmnd, 30, NULL); + if (rval < 0) + return rval; + res.status = rval; if (copy_to_user(arg, &res, sizeof(gdth_ioctl_reset))) return -EFAULT; @@ -4974,12 +5089,8 @@ static int ioc_general(void __user *arg, char *cmnd) char *buf = NULL; ulong64 paddr; int hanum; - gdth_ha_str *ha; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - Scsi_Request *srp; -#else - Scsi_Cmnd *scp; -#endif + gdth_ha_str *ha; + int rval; if (copy_from_user(&gen, arg, sizeof(gdth_ioctl_general)) || gen.ionode >= gdth_ctr_count) @@ -5071,27 +5182,10 @@ static int ioc_general(void __user *arg, char *cmnd) } } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - srp = scsi_allocate_request(ha->sdev, GFP_KERNEL); - if (!srp) - return -ENOMEM; - srp->sr_cmd_len = 12; - srp->sr_use_sg = 0; - gdth_do_req(srp, &gen.command, cmnd, gen.timeout); - gen.status = srp->sr_command->SCp.Status; - gen.info = srp->sr_command->SCp.Message; - scsi_release_request(srp); -#else - scp = scsi_allocate_device(ha->sdev, 1, FALSE); - if (!scp) - return -ENOMEM; - scp->cmd_len = 12; - scp->use_sg = 0; - gdth_do_cmd(scp, &gen.command, cmnd, gen.timeout); - gen.status = scp->SCp.Status; - gen.info = scp->SCp.Message; - scsi_release_command(scp); -#endif + rval = __gdth_execute(ha->sdev, &gen.command, cmnd, gen.timeout, &gen.info); + if (rval < 0) + return rval; + gen.status = rval; if (copy_to_user(arg + sizeof(gdth_ioctl_general), buf, gen.data_len + gen.sense_len)) { @@ -5114,40 +5208,22 @@ static int ioc_hdrlist(void __user *arg, char *cmnd) gdth_ha_str *ha; unchar i; int hanum, rc = -ENOMEM; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - Scsi_Request *srp; -#else - Scsi_Cmnd *scp; -#endif - + u32 cluster_type = 0; + rsc = kmalloc(sizeof(*rsc), GFP_KERNEL); cmd = kmalloc(sizeof(*cmd), GFP_KERNEL); if (!rsc || !cmd) - goto free_fail; + goto free_fail; if (copy_from_user(rsc, arg, sizeof(gdth_ioctl_rescan)) || rsc->ionode >= gdth_ctr_count) { rc = -EFAULT; - goto free_fail; + goto free_fail; } hanum = rsc->ionode; ha = HADATA(gdth_ctr_tab[hanum]); memset(cmd, 0, sizeof(gdth_cmd_str)); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - srp = scsi_allocate_request(ha->sdev, GFP_KERNEL); - if (!srp) - goto free_fail; - srp->sr_cmd_len = 12; - srp->sr_use_sg = 0; -#else - scp = scsi_allocate_device(ha->sdev, 1, FALSE); - if (!scp) - goto free_fail; - scp->cmd_len = 12; - scp->use_sg = 0; -#endif - for (i = 0; i < MAX_HDRIVES; ++i) { if (!ha->hdr[i].present) { rsc->hdr_list[i].bus = 0xff; @@ -5164,27 +5240,15 @@ static int ioc_hdrlist(void __user *arg, char *cmnd) cmd->u.cache64.DeviceNo = i; else cmd->u.cache.DeviceNo = i; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - gdth_do_req(srp, cmd, cmnd, 30); - if (srp->sr_command->SCp.Status == S_OK) - rsc->hdr_list[i].cluster_type = srp->sr_command->SCp.Message; -#else - gdth_do_cmd(scp, cmd, cmnd, 30); - if (scp->SCp.Status == S_OK) - rsc->hdr_list[i].cluster_type = scp->SCp.Message; -#endif + if (__gdth_execute(ha->sdev, cmd, cmnd, 30, &cluster_type) == S_OK) + rsc->hdr_list[i].cluster_type = cluster_type; } } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - scsi_release_request(srp); -#else - scsi_release_command(scp); -#endif - + if (copy_to_user(arg, rsc, sizeof(gdth_ioctl_rescan))) rc = -EFAULT; else - rc = 0; + rc = 0; free_fail: kfree(rsc); @@ -5202,40 +5266,21 @@ static int ioc_rescan(void __user *arg, char *cmnd) int rc = -ENOMEM; ulong flags; gdth_ha_str *ha; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - Scsi_Request *srp; -#else - Scsi_Cmnd *scp; -#endif rsc = kmalloc(sizeof(*rsc), GFP_KERNEL); cmd = kmalloc(sizeof(*cmd), GFP_KERNEL); if (!cmd || !rsc) - goto free_fail; + goto free_fail; if (copy_from_user(rsc, arg, sizeof(gdth_ioctl_rescan)) || rsc->ionode >= gdth_ctr_count) { - rc = -EFAULT; - goto free_fail; + rc = -EFAULT; + goto free_fail; } hanum = rsc->ionode; ha = HADATA(gdth_ctr_tab[hanum]); memset(cmd, 0, sizeof(gdth_cmd_str)); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - srp = scsi_allocate_request(ha->sdev, GFP_KERNEL); - if (!srp) - goto free_fail; - srp->sr_cmd_len = 12; - srp->sr_use_sg = 0; -#else - scp = scsi_allocate_device(ha->sdev, 1, FALSE); - if (!scp) - goto free_fail; - scp->cmd_len = 12; - scp->use_sg = 0; -#endif - if (rsc->flag == 0) { /* old method: re-init. cache service */ cmd->Service = CACHESERVICE; @@ -5246,19 +5291,8 @@ static int ioc_rescan(void __user *arg, char *cmnd) cmd->OpCode = GDT_INIT; cmd->u.cache.DeviceNo = LINUX_OS; } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - gdth_do_req(srp, cmd, cmnd, 30); - status = (ushort)srp->sr_command->SCp.Status; - info = (ulong32)srp->sr_command->SCp.Message; -#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) - gdth_do_cmd(scp, cmd, cmnd, 30); - status = (ushort)scp->SCp.Status; - info = (ulong32)scp->SCp.Message; -#else - gdth_do_cmd(&scp, cmd, cmnd, 30); - status = (ushort)scp.SCp.Status; - info = (ulong32)scp.SCp.Message; -#endif + + status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info); i = 0; hdr_cnt = (status == S_OK ? (ushort)info : 0); } else { @@ -5273,15 +5307,9 @@ static int ioc_rescan(void __user *arg, char *cmnd) cmd->u.cache64.DeviceNo = i; else cmd->u.cache.DeviceNo = i; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - gdth_do_req(srp, cmd, cmnd, 30); - status = (ushort)srp->sr_command->SCp.Status; - info = (ulong32)srp->sr_command->SCp.Message; -#else - gdth_do_cmd(scp, cmd, cmnd, 30); - status = (ushort)scp->SCp.Status; - info = (ulong32)scp->SCp.Message; -#endif + + status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info); + spin_lock_irqsave(&ha->smp_lock, flags); rsc->hdr_list[i].bus = ha->virt_bus; rsc->hdr_list[i].target = i; @@ -5313,15 +5341,9 @@ static int ioc_rescan(void __user *arg, char *cmnd) cmd->u.cache64.DeviceNo = i; else cmd->u.cache.DeviceNo = i; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - gdth_do_req(srp, cmd, cmnd, 30); - status = (ushort)srp->sr_command->SCp.Status; - info = (ulong32)srp->sr_command->SCp.Message; -#else - gdth_do_cmd(scp, cmd, cmnd, 30); - status = (ushort)scp->SCp.Status; - info = (ulong32)scp->SCp.Message; -#endif + + status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info); + spin_lock_irqsave(&ha->smp_lock, flags); ha->hdr[i].devtype = (status == S_OK ? (ushort)info : 0); spin_unlock_irqrestore(&ha->smp_lock, flags); @@ -5332,15 +5354,9 @@ static int ioc_rescan(void __user *arg, char *cmnd) cmd->u.cache64.DeviceNo = i; else cmd->u.cache.DeviceNo = i; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - gdth_do_req(srp, cmd, cmnd, 30); - status = (ushort)srp->sr_command->SCp.Status; - info = (ulong32)srp->sr_command->SCp.Message; -#else - gdth_do_cmd(scp, cmd, cmnd, 30); - status = (ushort)scp->SCp.Status; - info = (ulong32)scp->SCp.Message; -#endif + + status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info); + spin_lock_irqsave(&ha->smp_lock, flags); ha->hdr[i].cluster_type = ((status == S_OK && !shared_access) ? (ushort)info : 0); @@ -5353,29 +5369,18 @@ static int ioc_rescan(void __user *arg, char *cmnd) cmd->u.cache64.DeviceNo = i; else cmd->u.cache.DeviceNo = i; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - gdth_do_req(srp, cmd, cmnd, 30); - status = (ushort)srp->sr_command->SCp.Status; - info = (ulong32)srp->sr_command->SCp.Message; -#else - gdth_do_cmd(scp, cmd, cmnd, 30); - status = (ushort)scp->SCp.Status; - info = (ulong32)scp->SCp.Message; -#endif + + status = __gdth_execute(ha->sdev, cmd, cmnd, 30, &info); + spin_lock_irqsave(&ha->smp_lock, flags); ha->hdr[i].rw_attribs = (status == S_OK ? (ushort)info : 0); spin_unlock_irqrestore(&ha->smp_lock, flags); } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - scsi_release_request(srp); -#else - scsi_release_command(scp); -#endif if (copy_to_user(arg, rsc, sizeof(gdth_ioctl_rescan))) rc = -EFAULT; else - rc = 0; + rc = 0; free_fail: kfree(rsc); @@ -5515,17 +5520,18 @@ static int gdth_ioctl(struct inode *inode, struct file *filep, hanum = res.ionode; ha = HADATA(gdth_ctr_tab[hanum]); - /* Because we need a Scsi_Cmnd struct., we make a scsi_allocate device also for kernels >=2.6.x */ #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - scp = scsi_get_command(ha->sdev, GFP_KERNEL); + scp = kmalloc(sizeof(*scp), GFP_KERNEL); if (!scp) return -ENOMEM; + memset(scp, 0, sizeof(*scp)); + scp->device = ha->sdev; scp->cmd_len = 12; scp->use_sg = 0; scp->device->channel = virt_ctr ? 0 : res.number; rval = gdth_eh_bus_reset(scp); res.status = (rval == SUCCESS ? S_OK : S_GENERR); - scsi_put_command(scp); + kfree(scp); #else scp = scsi_allocate_device(ha->sdev, 1, FALSE); if (!scp) @@ -5558,34 +5564,12 @@ static void gdth_flush(int hanum) int i; gdth_ha_str *ha; gdth_cmd_str gdtcmd; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - Scsi_Request *srp; -#else - Scsi_Cmnd *scp; -#endif - struct scsi_device *sdev; char cmnd[MAX_COMMAND_SIZE]; memset(cmnd, 0xff, MAX_COMMAND_SIZE); TRACE2(("gdth_flush() hanum %d\n",hanum)); ha = HADATA(gdth_ctr_tab[hanum]); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - sdev = scsi_get_host_dev(gdth_ctr_tab[hanum]); - srp = scsi_allocate_request(sdev, GFP_KERNEL); - if (!srp) - return; - srp->sr_cmd_len = 12; - srp->sr_use_sg = 0; -#else - sdev = scsi_get_host_dev(gdth_ctr_tab[hanum]); - scp = scsi_allocate_device(sdev, 1, FALSE); - if (!scp) - return; - scp->cmd_len = 12; - scp->use_sg = 0; -#endif - for (i = 0; i < MAX_HDRIVES; ++i) { if (ha->hdr[i].present) { gdtcmd.BoardNode = LOCALBOARD; @@ -5601,20 +5585,10 @@ static void gdth_flush(int hanum) gdtcmd.u.cache.sg_canz = 0; } TRACE2(("gdth_flush(): flush ha %d drive %d\n", hanum, i)); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - gdth_do_req(srp, &gdtcmd, cmnd, 30); -#else - gdth_do_cmd(scp, &gdtcmd, cmnd, 30); -#endif + + gdth_execute(gdth_ctr_tab[hanum], &gdtcmd, cmnd, 30, NULL); } } -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - scsi_release_request(srp); - scsi_free_host_dev(sdev); -#else - scsi_release_command(scp); - scsi_free_host_dev(sdev); -#endif } /* shutdown routine */ @@ -5623,18 +5597,11 @@ static int gdth_halt(struct notifier_block *nb, ulong event, void *buf) int hanum; #ifndef __alpha__ gdth_cmd_str gdtcmd; -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - Scsi_Request *srp; - struct scsi_device *sdev; -#else - Scsi_Cmnd *scp; - struct scsi_device *sdev; -#endif char cmnd[MAX_COMMAND_SIZE]; #endif if (notifier_disabled) - return NOTIFY_OK; + return NOTIFY_OK; TRACE2(("gdth_halt() event %d\n",(int)event)); if (event != SYS_RESTART && event != SYS_HALT && event != SYS_POWER_OFF) @@ -5652,31 +5619,7 @@ static int gdth_halt(struct notifier_block *nb, ulong event, void *buf) gdtcmd.Service = CACHESERVICE; gdtcmd.OpCode = GDT_RESET; TRACE2(("gdth_halt(): reset controller %d\n", hanum)); -#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0) - sdev = scsi_get_host_dev(gdth_ctr_tab[hanum]); - srp = scsi_allocate_request(sdev, GFP_KERNEL); - if (!srp) { - unregister_reboot_notifier(&gdth_notifier); - return NOTIFY_OK; - } - srp->sr_cmd_len = 12; - srp->sr_use_sg = 0; - gdth_do_req(srp, &gdtcmd, cmnd, 10); - scsi_release_request(srp); - scsi_free_host_dev(sdev); -#else - sdev = scsi_get_host_dev(gdth_ctr_tab[hanum]); - scp = scsi_allocate_device(sdev, 1, FALSE); - if (!scp) { - unregister_reboot_notifier(&gdth_notifier); - return NOTIFY_OK; - } - scp->cmd_len = 12; - scp->use_sg = 0; - gdth_do_cmd(scp, &gdtcmd, cmnd, 10); - scsi_release_command(scp); - scsi_free_host_dev(sdev); -#endif + gdth_execute(gdth_ctr_tab[hanum], &gdtcmd, cmnd, 10, NULL); #endif } printk("Done.\n"); @@ -5687,7 +5630,22 @@ 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) +{ + scsi_adjust_queue_depth(sdev, 0, sdev->host->cmd_per_lun); + sdev->skip_ms_page_3f = 1; + 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", @@ -5698,6 +5656,9 @@ static struct 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, |
