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path: root/drivers/scsi/dpt_i2o.c
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Diffstat (limited to 'drivers/scsi/dpt_i2o.c')
-rw-r--r--drivers/scsi/dpt_i2o.c89
1 files changed, 37 insertions, 52 deletions
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index 53c9b93013f..bbe346bd3cb 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -34,7 +34,6 @@
#define ADDR32 (0)
-#include <linux/version.h>
#include <linux/module.h>
MODULE_AUTHOR("Deanna Bonds, with _lots_ of help from Mark Salyzyn");
@@ -113,7 +112,6 @@ static struct i2o_sys_tbl *sys_tbl = NULL;
static int sys_tbl_ind = 0;
static int sys_tbl_len = 0;
-static adpt_hba* hbas[DPTI_MAX_HBA];
static adpt_hba* hba_chain = NULL;
static int hba_count = 0;
@@ -691,7 +689,7 @@ static int adpt_device_reset(struct scsi_cmnd* cmd)
u32 msg[4];
u32 rcode;
int old_state;
- struct adpt_device* d = (void*) cmd->device->hostdata;
+ struct adpt_device* d = cmd->device->hostdata;
pHba = (void*) cmd->device->host->hostdata[0];
printk(KERN_INFO"%s: Trying to reset device\n",pHba->name);
@@ -707,7 +705,7 @@ static int adpt_device_reset(struct scsi_cmnd* cmd)
old_state = d->state;
d->state |= DPTI_DEV_RESET;
- if( (rcode = adpt_i2o_post_wait(pHba, (void*)msg,sizeof(msg), FOREVER)) ){
+ if( (rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER)) ){
d->state = old_state;
if(rcode == -EOPNOTSUPP ){
printk(KERN_INFO"%s: Device reset not supported\n",pHba->name);
@@ -737,7 +735,7 @@ static int adpt_bus_reset(struct scsi_cmnd* cmd)
msg[1] = (I2O_HBA_BUS_RESET<<24|HOST_TID<<12|pHba->channel[cmd->device->channel].tid);
msg[2] = 0;
msg[3] = 0;
- if(adpt_i2o_post_wait(pHba, (void*)msg,sizeof(msg), FOREVER) ){
+ if(adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER) ){
printk(KERN_WARNING"%s: Bus reset failed.\n",pHba->name);
return FAILED;
} else {
@@ -747,7 +745,7 @@ static int adpt_bus_reset(struct scsi_cmnd* cmd)
}
// This version of reset is called by the eh_error_handler
-static int adpt_reset(struct scsi_cmnd* cmd)
+static int __adpt_reset(struct scsi_cmnd* cmd)
{
adpt_hba* pHba;
int rcode;
@@ -763,6 +761,17 @@ static int adpt_reset(struct scsi_cmnd* cmd)
}
}
+static int adpt_reset(struct scsi_cmnd* cmd)
+{
+ int rc;
+
+ spin_lock_irq(cmd->device->host->host_lock);
+ rc = __adpt_reset(cmd);
+ spin_unlock_irq(cmd->device->host->host_lock);
+
+ return rc;
+}
+
// This version of reset is called by the ioctls and indirectly from eh_error_handler via adpt_reset
static int adpt_hba_reset(adpt_hba* pHba)
{
@@ -875,7 +884,6 @@ static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev
void __iomem *msg_addr_virt = NULL;
int raptorFlag = FALSE;
- int i;
if(pci_enable_device(pDev)) {
return -EINVAL;
@@ -935,12 +943,6 @@ static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev
memset(pHba, 0, sizeof(adpt_hba));
down(&adpt_configuration_lock);
- for(i=0;i<DPTI_MAX_HBA;i++) {
- if(hbas[i]==NULL) {
- hbas[i]=pHba;
- break;
- }
- }
if(hba_chain != NULL){
for(p = hba_chain; p->next; p = p->next);
@@ -950,7 +952,7 @@ static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev
}
pHba->next = NULL;
pHba->unit = hba_count;
- sprintf(pHba->name, "dpti%d", i);
+ sprintf(pHba->name, "dpti%d", hba_count);
hba_count++;
up(&adpt_configuration_lock);
@@ -1015,11 +1017,6 @@ static void adpt_i2o_delete_hba(adpt_hba* pHba)
if(pHba->host){
free_irq(pHba->host->irq, pHba);
}
- for(i=0;i<DPTI_MAX_HBA;i++) {
- if(hbas[i]==pHba) {
- hbas[i] = NULL;
- }
- }
p2 = NULL;
for( p1 = hba_chain; p1; p2 = p1,p1=p1->next){
if(p1 == pHba) {
@@ -1076,12 +1073,7 @@ static void adpt_i2o_delete_hba(adpt_hba* pHba)
static int adpt_init(void)
{
- int i;
-
printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION "\n");
- for (i = 0; i < DPTI_MAX_HBA; i++) {
- hbas[i] = NULL;
- }
#ifdef REBOOT_NOTIFIER
register_reboot_notifier(&adpt_reboot_notifier);
#endif
@@ -1133,11 +1125,11 @@ static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout)
struct adpt_i2o_post_wait_data *p1, *p2;
struct adpt_i2o_post_wait_data *wait_data =
kmalloc(sizeof(struct adpt_i2o_post_wait_data),GFP_KERNEL);
- adpt_wait_queue_t wait;
+ DECLARE_WAITQUEUE(wait, current);
- if(!wait_data){
+ if (!wait_data)
return -ENOMEM;
- }
+
/*
* The spin locking is needed to keep anyone from playing
* with the queue pointers and id while we do the same
@@ -1155,12 +1147,7 @@ static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout)
wait_data->wq = &adpt_wq_i2o_post;
wait_data->status = -ETIMEDOUT;
- // this code is taken from kernel/sched.c:interruptible_sleep_on_timeout
- wait.task = current;
- init_waitqueue_entry(&wait, current);
- spin_lock_irqsave(&adpt_wq_i2o_post.lock, flags);
- __add_wait_queue(&adpt_wq_i2o_post, &wait);
- spin_unlock(&adpt_wq_i2o_post.lock);
+ add_wait_queue(&adpt_wq_i2o_post, &wait);
msg[2] |= 0x80000000 | ((u32)wait_data->id);
timeout *= HZ;
@@ -1182,9 +1169,7 @@ static int adpt_i2o_post_wait(adpt_hba* pHba, u32* msg, int len, int timeout)
if(pHba->host)
spin_lock_irq(pHba->host->host_lock);
}
- spin_lock_irq(&adpt_wq_i2o_post.lock);
- __remove_wait_queue(&adpt_wq_i2o_post, &wait);
- spin_unlock_irqrestore(&adpt_wq_i2o_post.lock, flags);
+ remove_wait_queue(&adpt_wq_i2o_post, &wait);
if(status == -ETIMEDOUT){
printk(KERN_INFO"dpti%d: POST WAIT TIMEOUT\n",pHba->unit);
@@ -1454,7 +1439,7 @@ static int adpt_i2o_parse_lct(adpt_hba* pHba)
return -ENOMEM;
}
- d->controller = (void*)pHba;
+ d->controller = pHba;
d->next = NULL;
memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
@@ -1825,9 +1810,9 @@ static int adpt_system_info(void __user *buffer)
memset(&si, 0, sizeof(si));
si.osType = OS_LINUX;
- si.osMajorVersion = (u8) (LINUX_VERSION_CODE >> 16);
- si.osMinorVersion = (u8) (LINUX_VERSION_CODE >> 8 & 0x0ff);
- si.osRevision = (u8) (LINUX_VERSION_CODE & 0x0ff);
+ si.osMajorVersion = 0;
+ si.osMinorVersion = 0;
+ si.osRevision = 0;
si.busType = SI_PCI_BUS;
si.processorFamily = DPTI_sig.dsProcessorFamily;
@@ -2000,7 +1985,7 @@ static irqreturn_t adpt_isr(int irq, void *dev_id, struct pt_regs *regs)
struct scsi_cmnd* cmd;
adpt_hba* pHba = dev_id;
u32 m;
- ulong reply;
+ void __iomem *reply;
u32 status=0;
u32 context;
ulong flags = 0;
@@ -2025,11 +2010,11 @@ static irqreturn_t adpt_isr(int irq, void *dev_id, struct pt_regs *regs)
goto out;
}
}
- reply = (ulong)bus_to_virt(m);
+ reply = bus_to_virt(m);
if (readl(reply) & MSG_FAIL) {
u32 old_m = readl(reply+28);
- ulong msg;
+ void __iomem *msg;
u32 old_context;
PDEBUG("%s: Failed message\n",pHba->name);
if(old_m >= 0x100000){
@@ -2038,16 +2023,16 @@ static irqreturn_t adpt_isr(int irq, void *dev_id, struct pt_regs *regs)
continue;
}
// Transaction context is 0 in failed reply frame
- msg = (ulong)(pHba->msg_addr_virt + old_m);
+ msg = pHba->msg_addr_virt + old_m;
old_context = readl(msg+12);
writel(old_context, reply+12);
adpt_send_nop(pHba, old_m);
}
context = readl(reply+8);
if(context & 0x40000000){ // IOCTL
- ulong p = (ulong)(readl(reply+12));
- if( p != 0) {
- memcpy((void*)p, (void*)reply, REPLY_FRAME_SIZE * 4);
+ void *p = (void *)readl(reply+12);
+ if( p != NULL) {
+ memcpy_fromio(p, reply, REPLY_FRAME_SIZE * 4);
}
// All IOCTLs will also be post wait
}
@@ -2231,7 +2216,7 @@ static s32 adpt_scsi_register(adpt_hba* pHba,struct scsi_host_template * sht)
}
-static s32 adpt_i2o_to_scsi(ulong reply, struct scsi_cmnd* cmd)
+static s32 adpt_i2o_to_scsi(void __iomem *reply, struct scsi_cmnd* cmd)
{
adpt_hba* pHba;
u32 hba_status;
@@ -2323,7 +2308,7 @@ static s32 adpt_i2o_to_scsi(ulong reply, struct scsi_cmnd* cmd)
u32 len = sizeof(cmd->sense_buffer);
len = (len > 40) ? 40 : len;
// Copy over the sense data
- memcpy(cmd->sense_buffer, (void*)(reply+28) , len);
+ memcpy_fromio(cmd->sense_buffer, (reply+28) , len);
if(cmd->sense_buffer[0] == 0x70 /* class 7 */ &&
cmd->sense_buffer[2] == DATA_PROTECT ){
/* This is to handle an array failed */
@@ -2438,7 +2423,7 @@ static s32 adpt_i2o_reparse_lct(adpt_hba* pHba)
return -ENOMEM;
}
- d->controller = (void*)pHba;
+ d->controller = pHba;
d->next = NULL;
memcpy(&d->lct_data, &lct->lct_entry[i], sizeof(i2o_lct_entry));
@@ -2985,8 +2970,8 @@ static int adpt_i2o_build_sys_table(void)
sys_tbl->iops[count].frame_size = pHba->status_block->inbound_frame_size;
sys_tbl->iops[count].last_changed = sys_tbl_ind - 1; // ??
sys_tbl->iops[count].iop_capabilities = pHba->status_block->iop_capabilities;
- sys_tbl->iops[count].inbound_low = (u32)virt_to_bus((void*)pHba->post_port);
- sys_tbl->iops[count].inbound_high = (u32)((u64)virt_to_bus((void*)pHba->post_port)>>32);
+ sys_tbl->iops[count].inbound_low = (u32)virt_to_bus(pHba->post_port);
+ sys_tbl->iops[count].inbound_high = (u32)((u64)virt_to_bus(pHba->post_port)>>32);
count++;
}
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