/*#define DEBUG 1 */
/*#define UARTDELAY 1 */
-/* On the real kernel ADDR32 should always be zero for 2.4. GFP_HIGH allocates
- high pages. Keep the macro around because of the broken unmerged ia64 tree */
-
-#define ADDR32 (0)
-
#include <linux/module.h>
MODULE_AUTHOR("Deanna Bonds, with _lots_ of help from Mark Salyzyn");
#include <linux/stat.h>
#include <linux/slab.h> /* for kmalloc() */
-#include <linux/config.h> /* for CONFIG_PCI */
#include <linux/pci.h> /* for PCI support */
#include <linux/proc_fs.h>
#include <linux/blkdev.h>
#include <linux/kernel.h> /* for printk */
#include <linux/sched.h>
#include <linux/reboot.h>
-#include <linux/spinlock.h>
#include <linux/smp_lock.h>
+#include <linux/spinlock.h>
+#include <linux/dma-mapping.h>
#include <linux/timer.h>
#include <linux/string.h>
#include <linux/ioport.h>
+#include <linux/mutex.h>
#include <asm/processor.h> /* for boot_cpu_data */
#include <asm/pgtable.h>
*============================================================================
*/
-static DECLARE_MUTEX(adpt_configuration_lock);
+static DEFINE_MUTEX(adpt_configuration_lock);
-static struct i2o_sys_tbl *sys_tbl = NULL;
-static int sys_tbl_ind = 0;
-static int sys_tbl_len = 0;
+static struct i2o_sys_tbl *sys_tbl;
+static dma_addr_t sys_tbl_pa;
+static int sys_tbl_ind;
+static int sys_tbl_len;
static adpt_hba* hba_chain = NULL;
static int hba_count = 0;
-static struct file_operations adpt_fops = {
+static struct class *adpt_sysfs_class;
+
+#ifdef CONFIG_COMPAT
+static long compat_adpt_ioctl(struct file *, unsigned int, unsigned long);
+#endif
+
+static const struct file_operations adpt_fops = {
.ioctl = adpt_ioctl,
.open = adpt_open,
- .release = adpt_close
-};
-
-#ifdef REBOOT_NOTIFIER
-static struct notifier_block adpt_reboot_notifier =
-{
- adpt_reboot_event,
- NULL,
- 0
-};
+ .release = adpt_close,
+#ifdef CONFIG_COMPAT
+ .compat_ioctl = compat_adpt_ioctl,
#endif
+};
/* Structures and definitions for synchronous message posting.
* See adpt_i2o_post_wait() for description
*============================================================================
*/
+static inline int dpt_dma64(adpt_hba *pHba)
+{
+ return (sizeof(dma_addr_t) > 4 && (pHba)->dma64);
+}
+
+static inline u32 dma_high(dma_addr_t addr)
+{
+ return upper_32_bits(addr);
+}
+
+static inline u32 dma_low(dma_addr_t addr)
+{
+ return (u32)addr;
+}
+
static u8 adpt_read_blink_led(adpt_hba* host)
{
- if(host->FwDebugBLEDflag_P != 0) {
+ if (host->FwDebugBLEDflag_P) {
if( readb(host->FwDebugBLEDflag_P) == 0xbc ){
return readb(host->FwDebugBLEDvalue_P);
}
static int adpt_detect(struct scsi_host_template* sht)
{
struct pci_dev *pDev = NULL;
- adpt_hba* pHba;
-
- adpt_init();
+ adpt_hba *pHba;
+ adpt_hba *next;
PINFO("Detecting Adaptec I2O RAID controllers...\n");
/* search for all Adatpec I2O RAID cards */
- while ((pDev = pci_find_device( PCI_DPT_VENDOR_ID, PCI_ANY_ID, pDev))) {
+ while ((pDev = pci_get_device( PCI_DPT_VENDOR_ID, PCI_ANY_ID, pDev))) {
if(pDev->device == PCI_DPT_DEVICE_ID ||
pDev->device == PCI_DPT_RAPTOR_DEVICE_ID){
if(adpt_install_hba(sht, pDev) ){
PERROR("Will not try to detect others.\n");
return hba_count-1;
}
+ pci_dev_get(pDev);
}
}
/* In INIT state, Activate IOPs */
- for (pHba = hba_chain; pHba; pHba = pHba->next) {
+ for (pHba = hba_chain; pHba; pHba = next) {
+ next = pHba->next;
// Activate does get status , init outbound, and get hrt
if (adpt_i2o_activate_hba(pHba) < 0) {
adpt_i2o_delete_hba(pHba);
PDEBUG("HBA's in OPERATIONAL state\n");
printk("dpti: If you have a lot of devices this could take a few minutes.\n");
- for (pHba = hba_chain; pHba; pHba = pHba->next) {
+ for (pHba = hba_chain; pHba; pHba = next) {
+ next = pHba->next;
printk(KERN_INFO"%s: Reading the hardware resource table.\n", pHba->name);
if (adpt_i2o_lct_get(pHba) < 0){
adpt_i2o_delete_hba(pHba);
adpt_inquiry(pHba);
}
- for (pHba = hba_chain; pHba; pHba = pHba->next) {
- if( adpt_scsi_register(pHba,sht) < 0){
+ adpt_sysfs_class = class_create(THIS_MODULE, "dpt_i2o");
+ if (IS_ERR(adpt_sysfs_class)) {
+ printk(KERN_WARNING"dpti: unable to create dpt_i2o class\n");
+ adpt_sysfs_class = NULL;
+ }
+
+ for (pHba = hba_chain; pHba; pHba = next) {
+ next = pHba->next;
+ if (adpt_scsi_host_alloc(pHba, sht) < 0){
adpt_i2o_delete_hba(pHba);
continue;
}
pHba->initialized = TRUE;
pHba->state &= ~DPTI_STATE_RESET;
+ if (adpt_sysfs_class) {
+ struct device *dev = device_create(adpt_sysfs_class,
+ NULL, MKDEV(DPTI_I2O_MAJOR, pHba->unit), NULL,
+ "dpti%d", pHba->unit);
+ if (IS_ERR(dev)) {
+ printk(KERN_WARNING"dpti%d: unable to "
+ "create device in dpt_i2o class\n",
+ pHba->unit);
+ }
+ }
}
// Register our control device node
/*
- * scsi_unregister will be called AFTER we return.
+ * scsi_unregister will be called AFTER we return.
*/
static int adpt_release(struct Scsi_Host *host)
{
static void adpt_inquiry(adpt_hba* pHba)
{
- u32 msg[14];
+ u32 msg[17];
u32 *mptr;
u32 *lenptr;
int direction;
u32 len;
u32 reqlen;
u8* buf;
+ dma_addr_t addr;
u8 scb[16];
s32 rcode;
memset(msg, 0, sizeof(msg));
- buf = (u8*)kmalloc(80,GFP_KERNEL|ADDR32);
+ buf = dma_alloc_coherent(&pHba->pDev->dev, 80, &addr, GFP_KERNEL);
if(!buf){
printk(KERN_ERR"%s: Could not allocate buffer\n",pHba->name);
return;
direction = 0x00000000;
scsidir =0x40000000; // DATA IN (iop<--dev)
- reqlen = 14; // SINGLE SGE
+ if (dpt_dma64(pHba))
+ reqlen = 17; // SINGLE SGE, 64 bit
+ else
+ reqlen = 14; // SINGLE SGE, 32 bit
/* Stick the headers on */
msg[0] = reqlen<<16 | SGL_OFFSET_12;
msg[1] = (0xff<<24|HOST_TID<<12|ADAPTER_TID);
/* Now fill in the SGList and command */
*lenptr = len;
- *mptr++ = 0xD0000000|direction|len;
- *mptr++ = virt_to_bus(buf);
+ if (dpt_dma64(pHba)) {
+ *mptr++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
+ *mptr++ = 1 << PAGE_SHIFT;
+ *mptr++ = 0xD0000000|direction|len;
+ *mptr++ = dma_low(addr);
+ *mptr++ = dma_high(addr);
+ } else {
+ *mptr++ = 0xD0000000|direction|len;
+ *mptr++ = addr;
+ }
// Send it on it's way
rcode = adpt_i2o_post_wait(pHba, msg, reqlen<<2, 120);
sprintf(pHba->detail, "Adaptec I2O RAID");
printk(KERN_INFO "%s: Inquiry Error (%d)\n",pHba->name,rcode);
if (rcode != -ETIME && rcode != -EINTR)
- kfree(buf);
+ dma_free_coherent(&pHba->pDev->dev, 80, buf, addr);
} else {
memset(pHba->detail, 0, sizeof(pHba->detail));
memcpy(&(pHba->detail), "Vendor: Adaptec ", 16);
memcpy(&(pHba->detail[40]), " FW: ", 4);
memcpy(&(pHba->detail[44]), (u8*) &buf[32], 4);
pHba->detail[48] = '\0'; /* precautionary */
- kfree(buf);
+ dma_free_coherent(&pHba->pDev->dev, 80, buf, addr);
}
adpt_i2o_status_get(pHba);
return ;
*/
// Find HBA (host bus adapter) we are looking for
- down(&adpt_configuration_lock);
+ mutex_lock(&adpt_configuration_lock);
for (pHba = hba_chain; pHba; pHba = pHba->next) {
if (pHba->host == host) {
break; /* found adapter */
}
}
- up(&adpt_configuration_lock);
+ mutex_unlock(&adpt_configuration_lock);
if (pHba == NULL) {
return 0;
}
return len;
}
+/*
+ * Turn a struct scsi_cmnd * into a unique 32 bit 'context'.
+ */
+static u32 adpt_cmd_to_context(struct scsi_cmnd *cmd)
+{
+ return (u32)cmd->serial_number;
+}
+
+/*
+ * Go from a u32 'context' to a struct scsi_cmnd * .
+ * This could probably be made more efficient.
+ */
+static struct scsi_cmnd *
+ adpt_cmd_from_context(adpt_hba * pHba, u32 context)
+{
+ struct scsi_cmnd * cmd;
+ struct scsi_device * d;
+
+ if (context == 0)
+ return NULL;
+
+ spin_unlock(pHba->host->host_lock);
+ shost_for_each_device(d, pHba->host) {
+ unsigned long flags;
+ spin_lock_irqsave(&d->list_lock, flags);
+ list_for_each_entry(cmd, &d->cmd_list, list) {
+ if (((u32)cmd->serial_number == context)) {
+ spin_unlock_irqrestore(&d->list_lock, flags);
+ scsi_device_put(d);
+ spin_lock(pHba->host->host_lock);
+ return cmd;
+ }
+ }
+ spin_unlock_irqrestore(&d->list_lock, flags);
+ }
+ spin_lock(pHba->host->host_lock);
+
+ return NULL;
+}
+
+/*
+ * Turn a pointer to ioctl reply data into an u32 'context'
+ */
+static u32 adpt_ioctl_to_context(adpt_hba * pHba, void *reply)
+{
+#if BITS_PER_LONG == 32
+ return (u32)(unsigned long)reply;
+#else
+ ulong flags = 0;
+ u32 nr, i;
+
+ spin_lock_irqsave(pHba->host->host_lock, flags);
+ nr = ARRAY_SIZE(pHba->ioctl_reply_context);
+ for (i = 0; i < nr; i++) {
+ if (pHba->ioctl_reply_context[i] == NULL) {
+ pHba->ioctl_reply_context[i] = reply;
+ break;
+ }
+ }
+ spin_unlock_irqrestore(pHba->host->host_lock, flags);
+ if (i >= nr) {
+ kfree (reply);
+ printk(KERN_WARNING"%s: Too many outstanding "
+ "ioctl commands\n", pHba->name);
+ return (u32)-1;
+ }
+
+ return i;
+#endif
+}
+
+/*
+ * Go from an u32 'context' to a pointer to ioctl reply data.
+ */
+static void *adpt_ioctl_from_context(adpt_hba *pHba, u32 context)
+{
+#if BITS_PER_LONG == 32
+ return (void *)(unsigned long)context;
+#else
+ void *p = pHba->ioctl_reply_context[context];
+ pHba->ioctl_reply_context[context] = NULL;
+
+ return p;
+#endif
+}
/*===========================================================================
* Error Handling routines
msg[1] = I2O_CMD_SCSI_ABORT<<24|HOST_TID<<12|dptdevice->tid;
msg[2] = 0;
msg[3]= 0;
- msg[4] = (u32)cmd;
- if( (rcode = adpt_i2o_post_wait(pHba, msg, sizeof(msg), FOREVER)) != 0){
+ msg[4] = adpt_cmd_to_context(cmd);
+ if (pHba->host)
+ spin_lock_irq(pHba->host->host_lock);
+ rcode = adpt_i2o_post_wait(pHba, msg, sizeof(msg), FOREVER);
+ if (pHba->host)
+ spin_unlock_irq(pHba->host->host_lock);
+ if (rcode != 0) {
if(rcode == -EOPNOTSUPP ){
printk(KERN_INFO"%s: Abort cmd not supported\n",pHba->name);
return FAILED;
msg[2] = 0;
msg[3] = 0;
+ if (pHba->host)
+ spin_lock_irq(pHba->host->host_lock);
old_state = d->state;
d->state |= DPTI_DEV_RESET;
- if( (rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER)) ){
- d->state = old_state;
+ rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER);
+ d->state = old_state;
+ if (pHba->host)
+ spin_unlock_irq(pHba->host->host_lock);
+ if (rcode != 0) {
if(rcode == -EOPNOTSUPP ){
printk(KERN_INFO"%s: Device reset not supported\n",pHba->name);
return FAILED;
printk(KERN_INFO"%s: Device reset failed\n",pHba->name);
return FAILED;
} else {
- d->state = old_state;
printk(KERN_INFO"%s: Device reset successful\n",pHba->name);
return SUCCESS;
}
{
adpt_hba* pHba;
u32 msg[4];
+ u32 rcode;
pHba = (adpt_hba*)cmd->device->host->hostdata[0];
memset(msg, 0, sizeof(msg));
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, msg,sizeof(msg), FOREVER) ){
+ if (pHba->host)
+ spin_lock_irq(pHba->host->host_lock);
+ rcode = adpt_i2o_post_wait(pHba, msg,sizeof(msg), FOREVER);
+ if (pHba->host)
+ spin_unlock_irq(pHba->host->host_lock);
+ if (rcode != 0) {
printk(KERN_WARNING"%s: Bus reset failed.\n",pHba->name);
return FAILED;
} else {
static void adpt_i2o_sys_shutdown(void)
{
adpt_hba *pHba, *pNext;
- struct adpt_i2o_post_wait_data *p1, *p2;
+ struct adpt_i2o_post_wait_data *p1, *old;
printk(KERN_INFO"Shutting down Adaptec I2O controllers.\n");
printk(KERN_INFO" This could take a few minutes if there are many devices attached\n");
}
/* Remove any timedout entries from the wait queue. */
- p2 = NULL;
// spin_lock_irqsave(&adpt_post_wait_lock, flags);
/* Nothing should be outstanding at this point so just
* free them
*/
- for(p1 = adpt_post_wait_queue; p1; p2 = p1, p1 = p2->next) {
- kfree(p1);
+ for(p1 = adpt_post_wait_queue; p1;) {
+ old = p1;
+ p1 = p1->next;
+ kfree(old);
}
// spin_unlock_irqrestore(&adpt_post_wait_lock, flags);
adpt_post_wait_queue = NULL;
printk(KERN_INFO "Adaptec I2O controllers down.\n");
}
-/*
- * reboot/shutdown notification.
- *
- * - Quiesce each IOP in the system
- *
- */
-
-#ifdef REBOOT_NOTIFIER
-static int adpt_reboot_event(struct notifier_block *n, ulong code, void *p)
-{
-
- if(code != SYS_RESTART && code != SYS_HALT && code != SYS_POWER_OFF)
- return NOTIFY_DONE;
-
- adpt_i2o_sys_shutdown();
-
- return NOTIFY_DONE;
-}
-#endif
-
-
-static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev)
+static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev)
{
adpt_hba* pHba = NULL;
u32 hba_map1_area_size = 0;
void __iomem *base_addr_virt = NULL;
void __iomem *msg_addr_virt = NULL;
+ int dma64 = 0;
int raptorFlag = FALSE;
if(pci_enable_device(pDev)) {
return -EINVAL;
}
+
+ if (pci_request_regions(pDev, "dpt_i2o")) {
+ PERROR("dpti: adpt_config_hba: pci request region failed\n");
+ return -EINVAL;
+ }
+
pci_set_master(pDev);
- if (pci_set_dma_mask(pDev, 0xffffffffffffffffULL) &&
- pci_set_dma_mask(pDev, 0xffffffffULL))
+
+ /*
+ * See if we should enable dma64 mode.
+ */
+ if (sizeof(dma_addr_t) > 4 &&
+ pci_set_dma_mask(pDev, DMA_BIT_MASK(64)) == 0) {
+ if (dma_get_required_mask(&pDev->dev) > DMA_BIT_MASK(32))
+ dma64 = 1;
+ }
+ if (!dma64 && pci_set_dma_mask(pDev, DMA_BIT_MASK(32)) != 0)
return -EINVAL;
+ /* adapter only supports message blocks below 4GB */
+ pci_set_consistent_dma_mask(pDev, DMA_BIT_MASK(32));
+
base_addr0_phys = pci_resource_start(pDev,0);
hba_map0_area_size = pci_resource_len(pDev,0);
raptorFlag = TRUE;
}
- if (pci_request_regions(pDev, "dpt_i2o")) {
- PERROR("dpti: adpt_config_hba: pci request region failed\n");
- return -EINVAL;
+#if BITS_PER_LONG == 64
+ /*
+ * The original Adaptec 64 bit driver has this comment here:
+ * "x86_64 machines need more optimal mappings"
+ *
+ * I assume some HBAs report ridiculously large mappings
+ * and we need to limit them on platforms with IOMMUs.
+ */
+ if (raptorFlag == TRUE) {
+ if (hba_map0_area_size > 128)
+ hba_map0_area_size = 128;
+ if (hba_map1_area_size > 524288)
+ hba_map1_area_size = 524288;
+ } else {
+ if (hba_map0_area_size > 524288)
+ hba_map0_area_size = 524288;
}
+#endif
+
base_addr_virt = ioremap(base_addr0_phys,hba_map0_area_size);
if (!base_addr_virt) {
pci_release_regions(pDev);
}
// Allocate and zero the data structure
- pHba = kmalloc(sizeof(adpt_hba), GFP_KERNEL);
- if( pHba == NULL) {
- if(msg_addr_virt != base_addr_virt){
+ pHba = kzalloc(sizeof(adpt_hba), GFP_KERNEL);
+ if (!pHba) {
+ if (msg_addr_virt != base_addr_virt)
iounmap(msg_addr_virt);
- }
iounmap(base_addr_virt);
pci_release_regions(pDev);
return -ENOMEM;
}
- memset(pHba, 0, sizeof(adpt_hba));
- down(&adpt_configuration_lock);
+ mutex_lock(&adpt_configuration_lock);
if(hba_chain != NULL){
for(p = hba_chain; p->next; p = p->next);
sprintf(pHba->name, "dpti%d", hba_count);
hba_count++;
- up(&adpt_configuration_lock);
+ mutex_unlock(&adpt_configuration_lock);
pHba->pDev = pDev;
pHba->base_addr_phys = base_addr0_phys;
pHba->state = DPTI_STATE_RESET;
pHba->pDev = pDev;
pHba->devices = NULL;
+ pHba->dma64 = dma64;
// Initializing the spinlocks
spin_lock_init(&pHba->state_lock);
spin_lock_init(&adpt_post_wait_lock);
if(raptorFlag == 0){
- printk(KERN_INFO"Adaptec I2O RAID controller %d at %p size=%x irq=%d\n",
- hba_count-1, base_addr_virt, hba_map0_area_size, pDev->irq);
+ printk(KERN_INFO "Adaptec I2O RAID controller"
+ " %d at %p size=%x irq=%d%s\n",
+ hba_count-1, base_addr_virt,
+ hba_map0_area_size, pDev->irq,
+ dma64 ? " (64-bit DMA)" : "");
} else {
- printk(KERN_INFO"Adaptec I2O RAID controller %d irq=%d\n",hba_count-1, pDev->irq);
+ printk(KERN_INFO"Adaptec I2O RAID controller %d irq=%d%s\n",
+ hba_count-1, pDev->irq,
+ dma64 ? " (64-bit DMA)" : "");
printk(KERN_INFO" BAR0 %p - size= %x\n",base_addr_virt,hba_map0_area_size);
printk(KERN_INFO" BAR1 %p - size= %x\n",msg_addr_virt,hba_map1_area_size);
}
- if (request_irq (pDev->irq, adpt_isr, SA_SHIRQ, pHba->name, pHba)) {
+ if (request_irq (pDev->irq, adpt_isr, IRQF_SHARED, pHba->name, pHba)) {
printk(KERN_ERR"%s: Couldn't register IRQ %d\n", pHba->name, pDev->irq);
adpt_i2o_delete_hba(pHba);
return -EINVAL;
struct adpt_device* pNext;
- down(&adpt_configuration_lock);
+ mutex_lock(&adpt_configuration_lock);
// scsi_unregister calls our adpt_release which
// does a quiese
if(pHba->host){
}
hba_count--;
- up(&adpt_configuration_lock);
+ mutex_unlock(&adpt_configuration_lock);
iounmap(pHba->base_addr_virt);
pci_release_regions(pHba->pDev);
if(pHba->msg_addr_virt != pHba->base_addr_virt){
iounmap(pHba->msg_addr_virt);
}
+ if(pHba->FwDebugBuffer_P)
+ iounmap(pHba->FwDebugBuffer_P);
if(pHba->hrt) {
- kfree(pHba->hrt);
+ dma_free_coherent(&pHba->pDev->dev,
+ pHba->hrt->num_entries * pHba->hrt->entry_len << 2,
+ pHba->hrt, pHba->hrt_pa);
}
- if(pHba->lct){
- kfree(pHba->lct);
+ if(pHba->lct) {
+ dma_free_coherent(&pHba->pDev->dev, pHba->lct_size,
+ pHba->lct, pHba->lct_pa);
}
if(pHba->status_block) {
- kfree(pHba->status_block);
+ dma_free_coherent(&pHba->pDev->dev, sizeof(i2o_status_block),
+ pHba->status_block, pHba->status_block_pa);
}
- if(pHba->reply_pool){
- kfree(pHba->reply_pool);
+ if(pHba->reply_pool) {
+ dma_free_coherent(&pHba->pDev->dev,
+ pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4,
+ pHba->reply_pool, pHba->reply_pool_pa);
}
for(d = pHba->devices; d ; d = next){
}
}
}
+ pci_dev_put(pHba->pDev);
+ if (adpt_sysfs_class)
+ device_destroy(adpt_sysfs_class,
+ MKDEV(DPTI_I2O_MAJOR, pHba->unit));
kfree(pHba);
if(hba_count <= 0){
unregister_chrdev(DPTI_I2O_MAJOR, DPT_DRIVER);
+ if (adpt_sysfs_class) {
+ class_destroy(adpt_sysfs_class);
+ adpt_sysfs_class = NULL;
+ }
}
}
-
-static int adpt_init(void)
-{
- printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION "\n");
-#ifdef REBOOT_NOTIFIER
- register_reboot_notifier(&adpt_reboot_notifier);
-#endif
-
- return 0;
-}
-
-
static struct adpt_device* adpt_find_device(adpt_hba* pHba, u32 chan, u32 id, u32 lun)
{
struct adpt_device* d;
{
u32 msg[8];
u8* status;
+ dma_addr_t addr;
u32 m = EMPTY_QUEUE ;
ulong timeout = jiffies + (TMOUT_IOPRESET*HZ);
schedule_timeout_uninterruptible(1);
} while (m == EMPTY_QUEUE);
- status = (u8*)kmalloc(4, GFP_KERNEL|ADDR32);
+ status = dma_alloc_coherent(&pHba->pDev->dev, 4, &addr, GFP_KERNEL);
if(status == NULL) {
adpt_send_nop(pHba, m);
printk(KERN_ERR"IOP reset failed - no free memory.\n");
msg[3]=0;
msg[4]=0;
msg[5]=0;
- msg[6]=virt_to_bus(status);
- msg[7]=0;
+ msg[6]=dma_low(addr);
+ msg[7]=dma_high(addr);
memcpy_toio(pHba->msg_addr_virt+m, msg, sizeof(msg));
wmb();
while(*status == 0){
if(time_after(jiffies,timeout)){
printk(KERN_WARNING"%s: IOP Reset Timeout\n",pHba->name);
- kfree(status);
+ /* We lose 4 bytes of "status" here, but we cannot
+ free these because controller may awake and corrupt
+ those bytes at any time */
+ /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
return -ETIMEDOUT;
}
rmb();
}
if(time_after(jiffies,timeout)){
printk(KERN_ERR "%s:Timeout waiting for IOP Reset.\n",pHba->name);
+ /* We lose 4 bytes of "status" here, but we
+ cannot free these because controller may
+ awake and corrupt those bytes at any time */
+ /* dma_free_coherent(&pHba->pDev->dev, 4, buf, addr); */
return -ETIMEDOUT;
}
schedule_timeout_uninterruptible(1);
PDEBUG("%s: Reset completed.\n", pHba->name);
}
- kfree(status);
+ dma_free_coherent(&pHba->pDev->dev, 4, status, addr);
#ifdef UARTDELAY
// This delay is to allow someone attached to the card through the debug UART to
// set up the dump levels that they want before the rest of the initialization sequence
}
continue;
}
- d = (struct i2o_device *)kmalloc(sizeof(struct i2o_device), GFP_KERNEL);
+ d = kmalloc(sizeof(struct i2o_device), GFP_KERNEL);
if(d==NULL)
{
printk(KERN_CRIT"%s: Out of memory for I2O device data.\n",pHba->name);
continue;
}
if( pHba->channel[bus_no].device[scsi_id] == NULL){
- pDev = kmalloc(sizeof(struct adpt_device),GFP_KERNEL);
+ pDev = kzalloc(sizeof(struct adpt_device),GFP_KERNEL);
if(pDev == NULL) {
return -ENOMEM;
}
pHba->channel[bus_no].device[scsi_id] = pDev;
- memset(pDev,0,sizeof(struct adpt_device));
} else {
for( pDev = pHba->channel[bus_no].device[scsi_id];
pDev->next_lun; pDev = pDev->next_lun){
}
- pDev->next_lun = kmalloc(sizeof(struct adpt_device),GFP_KERNEL);
+ pDev->next_lun = kzalloc(sizeof(struct adpt_device),GFP_KERNEL);
if(pDev->next_lun == NULL) {
return -ENOMEM;
}
- memset(pDev->next_lun,0,sizeof(struct adpt_device));
pDev = pDev->next_lun;
}
pDev->tid = tid;
static int adpt_i2o_install_device(adpt_hba* pHba, struct i2o_device *d)
{
- down(&adpt_configuration_lock);
+ mutex_lock(&adpt_configuration_lock);
d->controller=pHba;
d->owner=NULL;
d->next=pHba->devices;
pHba->devices=d;
*d->dev_name = 0;
- up(&adpt_configuration_lock);
+ mutex_unlock(&adpt_configuration_lock);
return 0;
}
int minor;
adpt_hba* pHba;
+ lock_kernel();
//TODO check for root access
//
minor = iminor(inode);
if (minor >= hba_count) {
+ unlock_kernel();
return -ENXIO;
}
- down(&adpt_configuration_lock);
+ mutex_lock(&adpt_configuration_lock);
for (pHba = hba_chain; pHba; pHba = pHba->next) {
if (pHba->unit == minor) {
break; /* found adapter */
}
}
if (pHba == NULL) {
- up(&adpt_configuration_lock);
+ mutex_unlock(&adpt_configuration_lock);
+ unlock_kernel();
return -ENXIO;
}
// if(pHba->in_use){
- // up(&adpt_configuration_lock);
+ // mutex_unlock(&adpt_configuration_lock);
// return -EBUSY;
// }
pHba->in_use = 1;
- up(&adpt_configuration_lock);
+ mutex_unlock(&adpt_configuration_lock);
+ unlock_kernel();
return 0;
}
if (minor >= hba_count) {
return -ENXIO;
}
- down(&adpt_configuration_lock);
+ mutex_lock(&adpt_configuration_lock);
for (pHba = hba_chain; pHba; pHba = pHba->next) {
if (pHba->unit == minor) {
break; /* found adapter */
}
}
- up(&adpt_configuration_lock);
+ mutex_unlock(&adpt_configuration_lock);
if (pHba == NULL) {
return -ENXIO;
}
u32 i = 0;
u32 rcode = 0;
void *p = NULL;
+ dma_addr_t addr;
ulong flags = 0;
memset(&msg, 0, MAX_MESSAGE_SIZE*4);
reply_size = REPLY_FRAME_SIZE;
}
reply_size *= 4;
- reply = kmalloc(REPLY_FRAME_SIZE*4, GFP_KERNEL);
+ reply = kzalloc(REPLY_FRAME_SIZE*4, GFP_KERNEL);
if(reply == NULL) {
printk(KERN_WARNING"%s: Could not allocate reply buffer\n",pHba->name);
return -ENOMEM;
}
- memset(reply,0,REPLY_FRAME_SIZE*4);
sg_offset = (msg[0]>>4)&0xf;
msg[2] = 0x40000000; // IOCTL context
- msg[3] = (u32)reply;
+ msg[3] = adpt_ioctl_to_context(pHba, reply);
+ if (msg[3] == (u32)-1)
+ return -EBUSY;
+
memset(sg_list,0, sizeof(sg_list[0])*pHba->sg_tablesize);
if(sg_offset) {
- // TODO 64bit fix
+ // TODO add 64 bit API
struct sg_simple_element *sg = (struct sg_simple_element*) (msg+sg_offset);
sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element);
if (sg_count > pHba->sg_tablesize){
}
sg_size = sg[i].flag_count & 0xffffff;
/* Allocate memory for the transfer */
- p = kmalloc(sg_size, GFP_KERNEL|ADDR32);
+ p = dma_alloc_coherent(&pHba->pDev->dev, sg_size, &addr, GFP_KERNEL);
if(!p) {
printk(KERN_DEBUG"%s: Could not allocate SG buffer - size = %d buffer number %d of %d\n",
pHba->name,sg_size,i,sg_count);
sg_list[sg_index++] = p; // sglist indexed with input frame, not our internal frame.
/* Copy in the user's SG buffer if necessary */
if(sg[i].flag_count & 0x04000000 /*I2O_SGL_FLAGS_DIR*/) {
- // TODO 64bit fix
- if (copy_from_user(p,(void __user *)sg[i].addr_bus, sg_size)) {
+ // sg_simple_element API is 32 bit
+ if (copy_from_user(p,(void __user *)(ulong)sg[i].addr_bus, sg_size)) {
printk(KERN_DEBUG"%s: Could not copy SG buf %d FROM user\n",pHba->name,i);
rcode = -EFAULT;
goto cleanup;
}
}
- //TODO 64bit fix
- sg[i].addr_bus = (u32)virt_to_bus(p);
+ /* sg_simple_element API is 32 bit, but addr < 4GB */
+ sg[i].addr_bus = addr;
}
}
if(sg_offset) {
/* Copy back the Scatter Gather buffers back to user space */
u32 j;
- // TODO 64bit fix
+ // TODO add 64 bit API
struct sg_simple_element* sg;
int sg_size;
}
size = size>>16;
size *= 4;
+ if (size > MAX_MESSAGE_SIZE) {
+ rcode = -EINVAL;
+ goto cleanup;
+ }
/* Copy in the user's I2O command */
if (copy_from_user (msg, user_msg, size)) {
rcode = -EFAULT;
}
sg_count = (size - sg_offset*4) / sizeof(struct sg_simple_element);
- // TODO 64bit fix
+ // TODO add 64 bit API
sg = (struct sg_simple_element*)(msg + sg_offset);
for (j = 0; j < sg_count; j++) {
/* Copy out the SG list to user's buffer if necessary */
if(! (sg[j].flag_count & 0x4000000 /*I2O_SGL_FLAGS_DIR*/)) {
sg_size = sg[j].flag_count & 0xffffff;
- // TODO 64bit fix
- if (copy_to_user((void __user *)sg[j].addr_bus,sg_list[j], sg_size)) {
+ // sg_simple_element API is 32 bit
+ if (copy_to_user((void __user *)(ulong)sg[j].addr_bus,sg_list[j], sg_size)) {
printk(KERN_WARNING"%s: Could not copy %p TO user %x\n",pHba->name, sg_list[j], sg[j].addr_bus);
rcode = -EFAULT;
goto cleanup;
cleanup:
- if (rcode != -ETIME && rcode != -EINTR)
+ if (rcode != -ETIME && rcode != -EINTR) {
+ struct sg_simple_element *sg =
+ (struct sg_simple_element*) (msg +sg_offset);
kfree (reply);
- while(sg_index) {
- if(sg_list[--sg_index]) {
- if (rcode != -ETIME && rcode != -EINTR)
- kfree(sg_list[sg_index]);
+ while(sg_index) {
+ if(sg_list[--sg_index]) {
+ dma_free_coherent(&pHba->pDev->dev,
+ sg[sg_index].flag_count & 0xffffff,
+ sg_list[sg_index],
+ sg[sg_index].addr_bus);
+ }
}
}
return rcode;
}
-
-/*
- * This routine returns information about the system. This does not effect
- * any logic and if the info is wrong - it doesn't matter.
- */
-
-/* Get all the info we can not get from kernel services */
-static int adpt_system_info(void __user *buffer)
-{
- sysInfo_S si;
-
- memset(&si, 0, sizeof(si));
-
- si.osType = OS_LINUX;
- si.osMajorVersion = 0;
- si.osMinorVersion = 0;
- si.osRevision = 0;
- si.busType = SI_PCI_BUS;
- si.processorFamily = DPTI_sig.dsProcessorFamily;
-
-#if defined __i386__
- adpt_i386_info(&si);
-#elif defined (__ia64__)
- adpt_ia64_info(&si);
-#elif defined(__sparc__)
- adpt_sparc_info(&si);
-#elif defined (__alpha__)
- adpt_alpha_info(&si);
-#else
- si.processorType = 0xff ;
-#endif
- if(copy_to_user(buffer, &si, sizeof(si))){
- printk(KERN_WARNING"dpti: Could not copy buffer TO user\n");
- return -EFAULT;
- }
-
- return 0;
-}
-
#if defined __ia64__
static void adpt_ia64_info(sysInfo_S* si)
{
}
#endif
-
#if defined __sparc__
static void adpt_sparc_info(sysInfo_S* si)
{
si->processorType = PROC_ULTRASPARC;
}
#endif
-
#if defined __alpha__
static void adpt_alpha_info(sysInfo_S* si)
{
#endif
#if defined __i386__
-
static void adpt_i386_info(sysInfo_S* si)
{
// This is all the info we need for now
break;
}
}
+#endif
+
+/*
+ * This routine returns information about the system. This does not effect
+ * any logic and if the info is wrong - it doesn't matter.
+ */
+
+/* Get all the info we can not get from kernel services */
+static int adpt_system_info(void __user *buffer)
+{
+ sysInfo_S si;
+
+ memset(&si, 0, sizeof(si));
+
+ si.osType = OS_LINUX;
+ si.osMajorVersion = 0;
+ si.osMinorVersion = 0;
+ si.osRevision = 0;
+ si.busType = SI_PCI_BUS;
+ si.processorFamily = DPTI_sig.dsProcessorFamily;
+#if defined __i386__
+ adpt_i386_info(&si);
+#elif defined (__ia64__)
+ adpt_ia64_info(&si);
+#elif defined(__sparc__)
+ adpt_sparc_info(&si);
+#elif defined (__alpha__)
+ adpt_alpha_info(&si);
+#else
+ si.processorType = 0xff ;
#endif
+ if (copy_to_user(buffer, &si, sizeof(si))){
+ printk(KERN_WARNING"dpti: Could not copy buffer TO user\n");
+ return -EFAULT;
+ }
+ return 0;
+}
static int adpt_ioctl(struct inode *inode, struct file *file, uint cmd,
ulong arg)
if (minor >= DPTI_MAX_HBA){
return -ENXIO;
}
- down(&adpt_configuration_lock);
+ mutex_lock(&adpt_configuration_lock);
for (pHba = hba_chain; pHba; pHba = pHba->next) {
if (pHba->unit == minor) {
break; /* found adapter */
}
}
- up(&adpt_configuration_lock);
+ mutex_unlock(&adpt_configuration_lock);
if(pHba == NULL){
return -ENXIO;
}
return error;
}
+#ifdef CONFIG_COMPAT
+static long compat_adpt_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
+{
+ struct inode *inode;
+ long ret;
+
+ inode = file->f_dentry->d_inode;
+
+ lock_kernel();
+
+ switch(cmd) {
+ case DPT_SIGNATURE:
+ case I2OUSRCMD:
+ case DPT_CTRLINFO:
+ case DPT_SYSINFO:
+ case DPT_BLINKLED:
+ case I2ORESETCMD:
+ case I2ORESCANCMD:
+ case (DPT_TARGET_BUSY & 0xFFFF):
+ case DPT_TARGET_BUSY:
+ ret = adpt_ioctl(inode, file, cmd, arg);
+ break;
+ default:
+ ret = -ENOIOCTLCMD;
+ }
+
+ unlock_kernel();
+
+ return ret;
+}
+#endif
-static irqreturn_t adpt_isr(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t adpt_isr(int irq, void *dev_id)
{
struct scsi_cmnd* cmd;
adpt_hba* pHba = dev_id;
goto out;
}
}
- reply = bus_to_virt(m);
+ if (pHba->reply_pool_pa <= m &&
+ m < pHba->reply_pool_pa +
+ (pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4)) {
+ reply = (u8 *)pHba->reply_pool +
+ (m - pHba->reply_pool_pa);
+ } else {
+ /* Ick, we should *never* be here */
+ printk(KERN_ERR "dpti: reply frame not from pool\n");
+ reply = (u8 *)bus_to_virt(m);
+ }
if (readl(reply) & MSG_FAIL) {
u32 old_m = readl(reply+28);
}
context = readl(reply+8);
if(context & 0x40000000){ // IOCTL
- void *p = (void *)readl(reply+12);
+ void *p = adpt_ioctl_from_context(pHba, readl(reply+12));
if( p != NULL) {
memcpy_fromio(p, reply, REPLY_FRAME_SIZE * 4);
}
status = I2O_POST_WAIT_OK;
}
if(!(context & 0x40000000)) {
- cmd = (struct scsi_cmnd*) readl(reply+12);
+ cmd = adpt_cmd_from_context(pHba,
+ readl(reply+12));
if(cmd != NULL) {
printk(KERN_WARNING"%s: Apparent SCSI cmd in Post Wait Context - cmd=%p context=%x\n", pHba->name, cmd, context);
}
}
adpt_i2o_post_wait_complete(context, status);
} else { // SCSI message
- cmd = (struct scsi_cmnd*) readl(reply+12);
+ cmd = adpt_cmd_from_context (pHba, readl(reply+12));
if(cmd != NULL){
+ scsi_dma_unmap(cmd);
if(cmd->serial_number != 0) { // If not timedout
adpt_i2o_to_scsi(reply, cmd);
}
int i;
u32 msg[MAX_MESSAGE_SIZE];
u32* mptr;
+ u32* lptr;
u32 *lenptr;
int direction;
int scsidir;
+ int nseg;
u32 len;
u32 reqlen;
s32 rcode;
+ dma_addr_t addr;
memset(msg, 0 , sizeof(msg));
- len = cmd->request_bufflen;
+ len = scsi_bufflen(cmd);
direction = 0x00000000;
scsidir = 0x00000000; // DATA NO XFER
// I2O_CMD_SCSI_EXEC
msg[1] = ((0xff<<24)|(HOST_TID<<12)|d->tid);
msg[2] = 0;
- msg[3] = (u32)cmd; /* We want the SCSI control block back */
+ msg[3] = adpt_cmd_to_context(cmd); /* Want SCSI control block back */
// Our cards use the transaction context as the tag for queueing
// Adaptec/DPT Private stuff
msg[4] = I2O_CMD_SCSI_EXEC|(DPT_ORGANIZATION_ID<<16);
memcpy(mptr, cmd->cmnd, cmd->cmd_len);
mptr+=4;
lenptr=mptr++; /* Remember me - fill in when we know */
- reqlen = 14; // SINGLE SGE
+ if (dpt_dma64(pHba)) {
+ reqlen = 16; // SINGLE SGE
+ *mptr++ = (0x7C<<24)+(2<<16)+0x02; /* Enable 64 bit */
+ *mptr++ = 1 << PAGE_SHIFT;
+ } else {
+ reqlen = 14; // SINGLE SGE
+ }
/* Now fill in the SGList and command */
- if(cmd->use_sg) {
- struct scatterlist *sg = (struct scatterlist *)cmd->request_buffer;
- int sg_count = pci_map_sg(pHba->pDev, sg, cmd->use_sg,
- cmd->sc_data_direction);
+ nseg = scsi_dma_map(cmd);
+ BUG_ON(nseg < 0);
+ if (nseg) {
+ struct scatterlist *sg;
len = 0;
- for(i = 0 ; i < sg_count; i++) {
+ scsi_for_each_sg(cmd, sg, nseg, i) {
+ lptr = mptr;
*mptr++ = direction|0x10000000|sg_dma_len(sg);
len+=sg_dma_len(sg);
- *mptr++ = sg_dma_address(sg);
- sg++;
+ addr = sg_dma_address(sg);
+ *mptr++ = dma_low(addr);
+ if (dpt_dma64(pHba))
+ *mptr++ = dma_high(addr);
+ /* Make this an end of list */
+ if (i == nseg - 1)
+ *lptr = direction|0xD0000000|sg_dma_len(sg);
}
- /* Make this an end of list */
- mptr[-2] = direction|0xD0000000|sg_dma_len(sg-1);
reqlen = mptr - msg;
*lenptr = len;
len, cmd->underflow);
}
} else {
- *lenptr = len = cmd->request_bufflen;
- if(len == 0) {
- reqlen = 12;
- } else {
- *mptr++ = 0xD0000000|direction|cmd->request_bufflen;
- *mptr++ = pci_map_single(pHba->pDev,
- cmd->request_buffer,
- cmd->request_bufflen,
- cmd->sc_data_direction);
- }
+ *lenptr = len = 0;
+ reqlen = 12;
}
/* Stick the headers on */
}
-static s32 adpt_scsi_register(adpt_hba* pHba,struct scsi_host_template * sht)
+static s32 adpt_scsi_host_alloc(adpt_hba* pHba, struct scsi_host_template *sht)
{
- struct Scsi_Host *host = NULL;
+ struct Scsi_Host *host;
- host = scsi_register(sht, sizeof(adpt_hba*));
+ host = scsi_host_alloc(sht, sizeof(adpt_hba*));
if (host == NULL) {
- printk ("%s: scsi_register returned NULL\n",pHba->name);
+ printk("%s: scsi_host_alloc returned NULL\n", pHba->name);
return -1;
}
host->hostdata[0] = (unsigned long)pHba;
pHba->host = host;
host->irq = pHba->pDev->irq;
- /* no IO ports, so don't have to set host->io_port and
+ /* no IO ports, so don't have to set host->io_port and
* host->n_io_port
*/
host->io_port = 0;
host->n_io_port = 0;
- /* see comments in hosts.h */
+ /* see comments in scsi_host.h */
host->max_id = 16;
host->max_lun = 256;
host->max_channel = pHba->top_scsi_channel + 1;
host->cmd_per_lun = 1;
- host->unique_id = (uint) pHba;
+ host->unique_id = (u32)sys_tbl_pa + pHba->unit;
host->sg_tablesize = pHba->sg_tablesize;
host->can_queue = pHba->post_fifo_size;
hba_status = detailed_status >> 8;
// calculate resid for sg
- cmd->resid = cmd->request_bufflen - readl(reply+5);
+ scsi_set_resid(cmd, scsi_bufflen(cmd) - readl(reply+20));
pHba = (adpt_hba*) cmd->device->host->hostdata[0];
case I2O_SCSI_DSC_SUCCESS:
cmd->result = (DID_OK << 16);
// handle underflow
- if(readl(reply+5) < cmd->underflow ) {
+ if (readl(reply+20) < cmd->underflow) {
cmd->result = (DID_ERROR <<16);
printk(KERN_WARNING"%s: SCSI CMD underflow\n",pHba->name);
}
// copy over the request sense data if it was a check
// condition status
- if(dev_status == 0x02 /*CHECK_CONDITION*/) {
- u32 len = sizeof(cmd->sense_buffer);
- len = (len > 40) ? 40 : len;
+ if (dev_status == SAM_STAT_CHECK_CONDITION) {
+ u32 len = min(SCSI_SENSE_BUFFERSIZE, 40);
// Copy over the sense data
memcpy_fromio(cmd->sense_buffer, (reply+28) , len);
if(cmd->sense_buffer[0] == 0x70 /* class 7 */ &&
pDev = pDev->next_lun;
}
if(!pDev ) { // Something new add it
- d = (struct i2o_device *)kmalloc(sizeof(struct i2o_device), GFP_KERNEL);
+ d = kmalloc(sizeof(struct i2o_device), GFP_KERNEL);
if(d==NULL)
{
printk(KERN_CRIT "Out of memory for I2O device data.\n");
}
pDev = pHba->channel[bus_no].device[scsi_id];
if( pDev == NULL){
- pDev = kmalloc(sizeof(struct adpt_device),GFP_KERNEL);
+ pDev = kzalloc(sizeof(struct adpt_device),GFP_KERNEL);
if(pDev == NULL) {
return -ENOMEM;
}
while (pDev->next_lun) {
pDev = pDev->next_lun;
}
- pDev = pDev->next_lun = kmalloc(sizeof(struct adpt_device),GFP_KERNEL);
+ pDev = pDev->next_lun = kzalloc(sizeof(struct adpt_device),GFP_KERNEL);
if(pDev == NULL) {
return -ENOMEM;
}
}
- memset(pDev,0,sizeof(struct adpt_device));
pDev->tid = d->lct_data.tid;
pDev->scsi_channel = bus_no;
pDev->scsi_id = scsi_id;
static s32 adpt_i2o_init_outbound_q(adpt_hba* pHba)
{
u8 *status;
+ dma_addr_t addr;
u32 __iomem *msg = NULL;
int i;
ulong timeout = jiffies + TMOUT_INITOUTBOUND*HZ;
- u32* ptr;
- u32 outbound_frame; // This had to be a 32 bit address
u32 m;
do {
msg=(u32 __iomem *)(pHba->msg_addr_virt+m);
- status = kmalloc(4,GFP_KERNEL|ADDR32);
- if (status==NULL) {
+ status = dma_alloc_coherent(&pHba->pDev->dev, 4, &addr, GFP_KERNEL);
+ if (!status) {
adpt_send_nop(pHba, m);
printk(KERN_WARNING"%s: IOP reset failed - no free memory.\n",
pHba->name);
writel(4096, &msg[4]); /* Host page frame size */
writel((REPLY_FRAME_SIZE)<<16|0x80, &msg[5]); /* Outbound msg frame size and Initcode */
writel(0xD0000004, &msg[6]); /* Simple SG LE, EOB */
- writel(virt_to_bus(status), &msg[7]);
+ writel((u32)addr, &msg[7]);
writel(m, pHba->post_port);
wmb();
rmb();
if(time_after(jiffies,timeout)){
printk(KERN_WARNING"%s: Timeout Initializing\n",pHba->name);
+ /* We lose 4 bytes of "status" here, but we
+ cannot free these because controller may
+ awake and corrupt those bytes at any time */
+ /* dma_free_coherent(&pHba->pDev->dev, 4, status, addr); */
return -ETIMEDOUT;
}
schedule_timeout_uninterruptible(1);
// If the command was successful, fill the fifo with our reply
// message packets
if(*status != 0x04 /*I2O_EXEC_OUTBOUND_INIT_COMPLETE*/) {
- kfree((void*)status);
+ dma_free_coherent(&pHba->pDev->dev, 4, status, addr);
return -2;
}
- kfree((void*)status);
+ dma_free_coherent(&pHba->pDev->dev, 4, status, addr);
- if(pHba->reply_pool != NULL){
- kfree(pHba->reply_pool);
+ if(pHba->reply_pool != NULL) {
+ dma_free_coherent(&pHba->pDev->dev,
+ pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4,
+ pHba->reply_pool, pHba->reply_pool_pa);
}
- pHba->reply_pool = (u32*)kmalloc(pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4, GFP_KERNEL|ADDR32);
- if(!pHba->reply_pool){
- printk(KERN_ERR"%s: Could not allocate reply pool\n",pHba->name);
- return -1;
+ pHba->reply_pool = dma_alloc_coherent(&pHba->pDev->dev,
+ pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4,
+ &pHba->reply_pool_pa, GFP_KERNEL);
+ if (!pHba->reply_pool) {
+ printk(KERN_ERR "%s: Could not allocate reply pool\n", pHba->name);
+ return -ENOMEM;
}
memset(pHba->reply_pool, 0 , pHba->reply_fifo_size * REPLY_FRAME_SIZE * 4);
- ptr = pHba->reply_pool;
for(i = 0; i < pHba->reply_fifo_size; i++) {
- outbound_frame = (u32)virt_to_bus(ptr);
- writel(outbound_frame, pHba->reply_port);
+ writel(pHba->reply_pool_pa + (i * REPLY_FRAME_SIZE * 4),
+ pHba->reply_port);
wmb();
- ptr += REPLY_FRAME_SIZE;
}
adpt_i2o_status_get(pHba);
return 0;
u32 m;
u32 __iomem *msg;
u8 *status_block=NULL;
- ulong status_block_bus;
if(pHba->status_block == NULL) {
- pHba->status_block = (i2o_status_block*)
- kmalloc(sizeof(i2o_status_block),GFP_KERNEL|ADDR32);
+ pHba->status_block = dma_alloc_coherent(&pHba->pDev->dev,
+ sizeof(i2o_status_block),
+ &pHba->status_block_pa, GFP_KERNEL);
if(pHba->status_block == NULL) {
printk(KERN_ERR
"dpti%d: Get Status Block failed; Out of memory. \n",
}
memset(pHba->status_block, 0, sizeof(i2o_status_block));
status_block = (u8*)(pHba->status_block);
- status_block_bus = virt_to_bus(pHba->status_block);
timeout = jiffies+TMOUT_GETSTATUS*HZ;
do {
rmb();
writel(0, &msg[3]);
writel(0, &msg[4]);
writel(0, &msg[5]);
- writel(((u32)status_block_bus)&0xffffffff, &msg[6]);
- writel(0, &msg[7]);
+ writel( dma_low(pHba->status_block_pa), &msg[6]);
+ writel( dma_high(pHba->status_block_pa), &msg[7]);
writel(sizeof(i2o_status_block), &msg[8]); // 88 bytes
//post message
}
// Calculate the Scatter Gather list size
- pHba->sg_tablesize = (pHba->status_block->inbound_frame_size * 4 -40)/ sizeof(struct sg_simple_element);
+ if (dpt_dma64(pHba)) {
+ pHba->sg_tablesize
+ = ((pHba->status_block->inbound_frame_size * 4
+ - 14 * sizeof(u32))
+ / (sizeof(struct sg_simple_element) + sizeof(u32)));
+ } else {
+ pHba->sg_tablesize
+ = ((pHba->status_block->inbound_frame_size * 4
+ - 12 * sizeof(u32))
+ / sizeof(struct sg_simple_element));
+ }
if (pHba->sg_tablesize > SG_LIST_ELEMENTS) {
pHba->sg_tablesize = SG_LIST_ELEMENTS;
}
}
do {
if (pHba->lct == NULL) {
- pHba->lct = kmalloc(pHba->lct_size, GFP_KERNEL|ADDR32);
+ pHba->lct = dma_alloc_coherent(&pHba->pDev->dev,
+ pHba->lct_size, &pHba->lct_pa,
+ GFP_KERNEL);
if(pHba->lct == NULL) {
printk(KERN_CRIT "%s: Lct Get failed. Out of memory.\n",
pHba->name);
msg[4] = 0xFFFFFFFF; /* All devices */
msg[5] = 0x00000000; /* Report now */
msg[6] = 0xD0000000|pHba->lct_size;
- msg[7] = virt_to_bus(pHba->lct);
+ msg[7] = (u32)pHba->lct_pa;
if ((ret=adpt_i2o_post_wait(pHba, msg, sizeof(msg), 360))) {
printk(KERN_ERR "%s: LCT Get failed (status=%#10x.\n",
if ((pHba->lct->table_size << 2) > pHba->lct_size) {
pHba->lct_size = pHba->lct->table_size << 2;
- kfree(pHba->lct);
+ dma_free_coherent(&pHba->pDev->dev, pHba->lct_size,
+ pHba->lct, pHba->lct_pa);
pHba->lct = NULL;
}
} while (pHba->lct == NULL);
// I2O_DPT_EXEC_IOP_BUFFERS_GROUP_NO;
if(adpt_i2o_query_scalar(pHba, 0 , 0x8000, -1, buf, sizeof(buf))>=0) {
pHba->FwDebugBufferSize = buf[1];
- pHba->FwDebugBuffer_P = pHba->base_addr_virt + buf[0];
- pHba->FwDebugFlags_P = pHba->FwDebugBuffer_P + FW_DEBUG_FLAGS_OFFSET;
- pHba->FwDebugBLEDvalue_P = pHba->FwDebugBuffer_P + FW_DEBUG_BLED_OFFSET;
- pHba->FwDebugBLEDflag_P = pHba->FwDebugBLEDvalue_P + 1;
- pHba->FwDebugStrLength_P = pHba->FwDebugBuffer_P + FW_DEBUG_STR_LENGTH_OFFSET;
- pHba->FwDebugBuffer_P += buf[2];
- pHba->FwDebugFlags = 0;
+ pHba->FwDebugBuffer_P = ioremap(pHba->base_addr_phys + buf[0],
+ pHba->FwDebugBufferSize);
+ if (pHba->FwDebugBuffer_P) {
+ pHba->FwDebugFlags_P = pHba->FwDebugBuffer_P +
+ FW_DEBUG_FLAGS_OFFSET;
+ pHba->FwDebugBLEDvalue_P = pHba->FwDebugBuffer_P +
+ FW_DEBUG_BLED_OFFSET;
+ pHba->FwDebugBLEDflag_P = pHba->FwDebugBLEDvalue_P + 1;
+ pHba->FwDebugStrLength_P = pHba->FwDebugBuffer_P +
+ FW_DEBUG_STR_LENGTH_OFFSET;
+ pHba->FwDebugBuffer_P += buf[2];
+ pHba->FwDebugFlags = 0;
+ }
}
return 0;
static int adpt_i2o_build_sys_table(void)
{
- adpt_hba* pHba = NULL;
+ adpt_hba* pHba = hba_chain;
int count = 0;
+ if (sys_tbl)
+ dma_free_coherent(&pHba->pDev->dev, sys_tbl_len,
+ sys_tbl, sys_tbl_pa);
+
sys_tbl_len = sizeof(struct i2o_sys_tbl) + // Header + IOPs
(hba_count) * sizeof(struct i2o_sys_tbl_entry);
- if(sys_tbl)
- kfree(sys_tbl);
-
- sys_tbl = kmalloc(sys_tbl_len, GFP_KERNEL|ADDR32);
- if(!sys_tbl) {
+ sys_tbl = dma_alloc_coherent(&pHba->pDev->dev,
+ sys_tbl_len, &sys_tbl_pa, GFP_KERNEL);
+ if (!sys_tbl) {
printk(KERN_WARNING "SysTab Set failed. Out of memory.\n");
return -ENOMEM;
}
sys_tbl->change_ind = sys_tbl_ind++;
for(pHba = hba_chain; pHba; pHba = pHba->next) {
+ u64 addr;
// Get updated Status Block so we have the latest information
if (adpt_i2o_status_get(pHba)) {
sys_tbl->num_entries--;
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(pHba->post_port);
- sys_tbl->iops[count].inbound_high = (u32)((u64)virt_to_bus(pHba->post_port)>>32);
+ addr = pHba->base_addr_phys + 0x40;
+ sys_tbl->iops[count].inbound_low = dma_low(addr);
+ sys_tbl->iops[count].inbound_high = dma_high(addr);
count++;
}
do {
if (pHba->hrt == NULL) {
- pHba->hrt=kmalloc(size, GFP_KERNEL|ADDR32);
+ pHba->hrt = dma_alloc_coherent(&pHba->pDev->dev,
+ size, &pHba->hrt_pa, GFP_KERNEL);
if (pHba->hrt == NULL) {
printk(KERN_CRIT "%s: Hrt Get failed; Out of memory.\n", pHba->name);
return -ENOMEM;
msg[2]= 0;
msg[3]= 0;
msg[4]= (0xD0000000 | size); /* Simple transaction */
- msg[5]= virt_to_bus(pHba->hrt); /* Dump it here */
+ msg[5]= (u32)pHba->hrt_pa; /* Dump it here */
if ((ret = adpt_i2o_post_wait(pHba, msg, sizeof(msg),20))) {
printk(KERN_ERR "%s: Unable to get HRT (status=%#10x)\n", pHba->name, ret);
}
if (pHba->hrt->num_entries * pHba->hrt->entry_len << 2 > size) {
- size = pHba->hrt->num_entries * pHba->hrt->entry_len << 2;
- kfree(pHba->hrt);
+ int newsize = pHba->hrt->num_entries * pHba->hrt->entry_len << 2;
+ dma_free_coherent(&pHba->pDev->dev, size,
+ pHba->hrt, pHba->hrt_pa);
+ size = newsize;
pHba->hrt = NULL;
}
} while(pHba->hrt == NULL);
int group, int field, void *buf, int buflen)
{
u16 opblk[] = { 1, 0, I2O_PARAMS_FIELD_GET, group, 1, field };
- u8 *resblk;
+ u8 *opblk_va;
+ dma_addr_t opblk_pa;
+ u8 *resblk_va;
+ dma_addr_t resblk_pa;
int size;
/* 8 bytes for header */
- resblk = kmalloc(sizeof(u8) * (8+buflen), GFP_KERNEL|ADDR32);
- if (resblk == NULL) {
+ resblk_va = dma_alloc_coherent(&pHba->pDev->dev,
+ sizeof(u8) * (8 + buflen), &resblk_pa, GFP_KERNEL);
+ if (resblk_va == NULL) {
printk(KERN_CRIT "%s: query scalar failed; Out of memory.\n", pHba->name);
return -ENOMEM;
}
+ opblk_va = dma_alloc_coherent(&pHba->pDev->dev,
+ sizeof(opblk), &opblk_pa, GFP_KERNEL);
+ if (opblk_va == NULL) {
+ dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
+ resblk_va, resblk_pa);
+ printk(KERN_CRIT "%s: query operatio failed; Out of memory.\n",
+ pHba->name);
+ return -ENOMEM;
+ }
if (field == -1) /* whole group */
opblk[4] = -1;
+ memcpy(opblk_va, opblk, sizeof(opblk));
size = adpt_i2o_issue_params(I2O_CMD_UTIL_PARAMS_GET, pHba, tid,
- opblk, sizeof(opblk), resblk, sizeof(u8)*(8+buflen));
+ opblk_va, opblk_pa, sizeof(opblk),
+ resblk_va, resblk_pa, sizeof(u8)*(8+buflen));
+ dma_free_coherent(&pHba->pDev->dev, sizeof(opblk), opblk_va, opblk_pa);
if (size == -ETIME) {
+ dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
+ resblk_va, resblk_pa);
printk(KERN_WARNING "%s: issue params failed; Timed out.\n", pHba->name);
return -ETIME;
} else if (size == -EINTR) {
+ dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
+ resblk_va, resblk_pa);
printk(KERN_WARNING "%s: issue params failed; Interrupted.\n", pHba->name);
return -EINTR;
}
- memcpy(buf, resblk+8, buflen); /* cut off header */
+ memcpy(buf, resblk_va+8, buflen); /* cut off header */
- kfree(resblk);
+ dma_free_coherent(&pHba->pDev->dev, sizeof(u8) * (8+buflen),
+ resblk_va, resblk_pa);
if (size < 0)
return size;
* ResultCount, ErrorInfoSize, BlockStatus and BlockSize.
*/
static int adpt_i2o_issue_params(int cmd, adpt_hba* pHba, int tid,
- void *opblk, int oplen, void *resblk, int reslen)
+ void *opblk_va, dma_addr_t opblk_pa, int oplen,
+ void *resblk_va, dma_addr_t resblk_pa, int reslen)
{
u32 msg[9];
- u32 *res = (u32 *)resblk;
+ u32 *res = (u32 *)resblk_va;
int wait_status;
msg[0] = NINE_WORD_MSG_SIZE | SGL_OFFSET_5;
msg[3] = 0;
msg[4] = 0;
msg[5] = 0x54000000 | oplen; /* OperationBlock */
- msg[6] = virt_to_bus(opblk);
+ msg[6] = (u32)opblk_pa;
msg[7] = 0xD0000000 | reslen; /* ResultBlock */
- msg[8] = virt_to_bus(resblk);
+ msg[8] = (u32)resblk_pa;
if ((wait_status = adpt_i2o_post_wait(pHba, msg, sizeof(msg), 20))) {
- printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk);
+ printk("adpt_i2o_issue_params: post_wait failed (%p)\n", resblk_va);
return wait_status; /* -DetailedStatus */
}
* Private i/o space declaration
*/
msg[6] = 0x54000000 | sys_tbl_len;
- msg[7] = virt_to_phys(sys_tbl);
+ msg[7] = (u32)sys_tbl_pa;
msg[8] = 0x54000000 | 0;
msg[9] = 0;
msg[10] = 0xD4000000 | 0;
#endif
static struct scsi_host_template driver_template = {
+ .module = THIS_MODULE,
.name = "dpt_i2o",
.proc_name = "dpt_i2o",
.proc_info = adpt_proc_info,
- .detect = adpt_detect,
- .release = adpt_release,
.info = adpt_info,
.queuecommand = adpt_queue,
.eh_abort_handler = adpt_abort,
.cmd_per_lun = 1,
.use_clustering = ENABLE_CLUSTERING,
};
-#include "scsi_module.c"
+
+static int __init adpt_init(void)
+{
+ int error;
+ adpt_hba *pHba, *next;
+
+ printk("Loading Adaptec I2O RAID: Version " DPT_I2O_VERSION "\n");
+
+ error = adpt_detect(&driver_template);
+ if (error < 0)
+ return error;
+ if (hba_chain == NULL)
+ return -ENODEV;
+
+ for (pHba = hba_chain; pHba; pHba = pHba->next) {
+ error = scsi_add_host(pHba->host, &pHba->pDev->dev);
+ if (error)
+ goto fail;
+ scsi_scan_host(pHba->host);
+ }
+ return 0;
+fail:
+ for (pHba = hba_chain; pHba; pHba = next) {
+ next = pHba->next;
+ scsi_remove_host(pHba->host);
+ }
+ return error;
+}
+
+static void __exit adpt_exit(void)
+{
+ adpt_hba *pHba, *next;
+
+ for (pHba = hba_chain; pHba; pHba = pHba->next)
+ scsi_remove_host(pHba->host);
+ for (pHba = hba_chain; pHba; pHba = next) {
+ next = pHba->next;
+ adpt_release(pHba->host);
+ }
+}
+
+module_init(adpt_init);
+module_exit(adpt_exit);
+
MODULE_LICENSE("GPL");
git://ftp.safe.ca / safe / jmp / linux-2.6 / blobdiff