* 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: *
* 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
*
* 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.
#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
#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);
-static irqreturn_t gdth_interrupt(int irq, void *dev_id, struct pt_regs *regs);
+static irqreturn_t gdth_interrupt(int irq, void *dev_id);
static int gdth_sync_event(int hanum,int service,unchar index,Scsi_Cmnd *scp);
static int gdth_async_event(int hanum);
static void gdth_log_event(gdth_evt_data *dvr, char *buffer);
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;
#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)
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"));
+
+ 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_ONSTACK(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_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)
+{
+ 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;
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;
gdth_from_wait = TRUE;
do {
- gdth_interrupt((int)ha->irq,ha,NULL);
+ gdth_interrupt((int)ha->irq,ha);
if (wait_hanum==hanum && wait_index==index) {
answer_found = TRUE;
break;
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);
+ }
}
}
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 ? */
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) {
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;
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));
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;
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) {
}
#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);
/* SCSI interface functions */
-static irqreturn_t gdth_interrupt(int irq,void *dev_id,struct pt_regs *regs)
+static irqreturn_t gdth_interrupt(int irq,void *dev_id)
{
gdth_ha_str *ha2 = (gdth_ha_str *)dev_id;
register gdth_ha_str *ha;
}
if (!gdth_polling)
- spin_lock_irqsave(&ha2->smp_lock, flags);
+ spin_lock_irqsave(&ha2->smp_lock, flags);
wait_index = 0;
/* search controller */
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);
}
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];
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();
printk("Configuring GDT-ISA HA at BIOS 0x%05X IRQ %u DRQ %u\n",
isa_bios,ha->irq,ha->drq);
- if (request_irq(ha->irq,gdth_interrupt,SA_INTERRUPT,"gdth",ha)) {
+ if (request_irq(ha->irq,gdth_interrupt,IRQF_DISABLED,"gdth",ha)) {
printk("GDT-ISA: Unable to allocate IRQ\n");
scsi_unregister(shp);
continue;
printk("Configuring GDT-EISA HA at Slot %d IRQ %u\n",
eisa_slot>>12,ha->irq);
- if (request_irq(ha->irq,gdth_interrupt,SA_INTERRUPT,"gdth",ha)) {
+ if (request_irq(ha->irq,gdth_interrupt,IRQF_DISABLED,"gdth",ha)) {
printk("GDT-EISA: Unable to allocate IRQ\n");
scsi_unregister(shp);
continue;
pcistr[ctr].bus,PCI_SLOT(pcistr[ctr].device_fn),ha->irq);
if (request_irq(ha->irq, gdth_interrupt,
- SA_INTERRUPT|SA_SHIRQ, "gdth", ha))
+ IRQF_DISABLED|IRQF_SHARED, "gdth", ha))
{
printk("GDT-PCI: Unable to allocate IRQ\n");
scsi_unregister(shp);
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;
}
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;
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)
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;
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)
}
}
-#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)) {
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;
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);
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;
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 {
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;
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);
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);
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);
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)
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;
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 */
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)
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");
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",
.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,
git.samba.org / sfrench / cifs-2.6.git / blobdiff