MPT Fusion driver 3.01.10 update

From: "Moore, Eric Dean" <Emoore@lsil.com>

This driver incorporates the patches from Christoph Hellwig
and Masao Fukuchi.

Changelog of this release:

* Patch provided by  Masao Fukuchi [fukuchi.masao@jp.fujitsu.com]
 - mptctl updates for hot plug

* Patch provided by Christoph Hellwig [hch@infradead.org]
 - mptlan updates for hot plug
 - remove CONFIG_LBD ifdefs from fusion { mptscsih.c}
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

drivers/message/fusion/mptbase.c

@@ -1337,7 +1337,6 @@ mptbase_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 			printk(MYIOC_s_ERR_FMT "Unable to allocate interrupt %s!\n",
 					ioc->name, __irq_itoa(pdev->irq));
 #endif
-			Q_DEL_ITEM(ioc);
 			list_del(&ioc->list);
 			iounmap(mem);
 			kfree(ioc);
@@ -1369,7 +1368,6 @@ mptbase_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		  ": WARNING - %s did not initialize properly! (%d)\n",
 		  ioc->name, r);
 
-		Q_DEL_ITEM(ioc);
 		list_del(&ioc->list);
 		free_irq(ioc->pci_irq, ioc);
 		iounmap(mem);

drivers/message/fusion/mptbase.h

@@ -85,8 +85,8 @@
 #define COPYRIGHT	"Copyright (c) 1999-2004 " MODULEAUTHOR
 #endif
 
-#define MPT_LINUX_VERSION_COMMON	"3.01.09"
-#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.01.09"
+#define MPT_LINUX_VERSION_COMMON	"3.01.10"
+#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.01.10"
 #define WHAT_MAGIC_STRING		"@" "(" "#" ")"
 
 #define show_mptmod_ver(s,ver)  \
@@ -523,6 +523,7 @@ typedef struct _MPT_IOCTL {
 	u8			 target;	/* target for reset */
 	void 			*tmPtr;
 	struct timer_list	 TMtimer;	/* timer function for this adapter */
+	struct semaphore	 sem_ioc;
 } MPT_IOCTL;
 
 /*
@@ -676,6 +677,7 @@ typedef struct _MPT_ADAPTER
 	u8			 reload_fw;	/* Force a FW Reload on next reset */
 	u8			 pad1[5];
 	struct list_head	 list; 
+	struct net_device	*netdev;
 } MPT_ADAPTER;
 
 

drivers/message/fusion/mptctl.c

@@ -111,7 +111,6 @@ MODULE_LICENSE("GPL");
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 
 static int mptctl_id = -1;
-static struct semaphore mptctl_syscall_sem_ioc[MPT_MAX_ADAPTERS];
 
 static DECLARE_WAIT_QUEUE_HEAD ( mptctl_wait );
 
@@ -140,6 +139,9 @@ static int mptctl_do_reset(unsigned long arg);
 static int mptctl_hp_hostinfo(unsigned long arg, unsigned int cmd);
 static int mptctl_hp_targetinfo(unsigned long arg);
 
+static int  mptctl_probe(struct pci_dev *, const struct pci_device_id *);
+static void mptctl_remove(struct pci_dev *);
+
 /*
  * Private function calls.
  */
@@ -208,10 +210,10 @@ mptctl_syscall_down(MPT_ADAPTER *ioc, int nonblock)
 	}
 
 	if (nonblock) {
-		if (down_trylock(&mptctl_syscall_sem_ioc[ioc->id]))
+		if (down_trylock(&ioc->ioctl->sem_ioc))
 			rc = -EAGAIN;
 	} else {
-		if (down_interruptible(&mptctl_syscall_sem_ioc[ioc->id]))
+		if (down_interruptible(&ioc->ioctl->sem_ioc))
 			rc = -ERESTARTSYS;
 	}
 	dctlprintk((KERN_INFO MYNAM "::mptctl_syscall_down return %d\n", rc));
@@ -630,8 +632,7 @@ mptctl_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned
 	else
 		ret = -EINVAL;
 
-
-	up(&mptctl_syscall_sem_ioc[iocp->id]);
+	up(&iocp->ioctl->sem_ioc);
 
 	return ret;
 }
@@ -2738,7 +2739,7 @@ compat_mptfwxfer_ioctl(unsigned int fd, unsigned int cmd,
 
 	ret = mptctl_do_fw_download(kfw.iocnum, kfw.bufp, kfw.fwlen);
 
-	up(&mptctl_syscall_sem_ioc[iocp->id]);
+	up(&iocp->ioctl->sem_ioc);
 
 	return ret;
 }
@@ -2792,36 +2793,32 @@ compat_mpt_command(unsigned int fd, unsigned int cmd,
 	 */
 	ret = mptctl_do_mpt_command (karg, &uarg->MF);
 
-	up(&mptctl_syscall_sem_ioc[iocp->id]);
+	up(&iocp->ioctl->sem_ioc);
 
 	return ret;
 }
 
 #endif
 
+
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-int __init mptctl_init(void)
+/*
+ *	mptctl_probe - Installs ioctl devices per bus.
+ *	@pdev: Pointer to pci_dev structure
+ *
+ *	Returns 0 for success, non-zero for failure.
+ *
+ */
+
+static int
+mptctl_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 {
 	int err;
-	int i;
-	int where = 1;
 	int sz;
 	u8 *mem;
-	MPT_ADAPTER *ioc = NULL;
-	int iocnum;
+	MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
 
-	show_mptmod_ver(my_NAME, my_VERSION);
-
-	for (i=0; i<MPT_MAX_ADAPTERS; i++) {
-		sema_init(&mptctl_syscall_sem_ioc[i], 1);
-
-		ioc = NULL;
-		if (((iocnum = mpt_verify_adapter(i, &ioc)) < 0) ||
-		    (ioc == NULL)) {
-			continue;
-		}
-		else {
-			/* This adapter instance is found.
+	/*
 	 * Allocate and inite a MPT_IOCTL structure
 	*/
 	sz = sizeof (MPT_IOCTL);
@@ -2840,7 +2837,47 @@ int __init mptctl_init(void)
 	init_timer (&ioc->ioctl->TMtimer);
 	ioc->ioctl->TMtimer.data = (unsigned long) ioc->ioctl;
 	ioc->ioctl->TMtimer.function = mptctl_timer_expired;
-		}
+	sema_init(&ioc->ioctl->sem_ioc, 1);
+	return 0;
+
+out_fail:
+
+	mptctl_remove(pdev);
+	return err;
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/*
+ *	mptctl_remove - Removed ioctl devices
+ *	@pdev: Pointer to pci_dev structure
+ *
+ *
+ */
+static void
+mptctl_remove(struct pci_dev *pdev)
+{
+	MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
+
+	kfree ( ioc->ioctl );
+}
+
+static struct mpt_pci_driver mptctl_driver = {
+  .probe		= mptctl_probe,
+  .remove		= mptctl_remove,
+};
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+int __init mptctl_init(void)
+{
+	int err;
+	int where = 1;
+
+	show_mptmod_ver(my_NAME, my_VERSION);
+
+	if(mpt_device_driver_register(&mptctl_driver,
+	  MPTCTL_DRIVER) != 0 ) {
+		dprintk((KERN_INFO MYNAM
+		": failed to register dd callbacks\n"));
 	}
 
 #ifdef CONFIG_COMPAT
@@ -2922,29 +2959,14 @@ int __init mptctl_init(void)
 	unregister_ioctl32_conversion(HP_GETTARGETINFO);
 #endif
 
-	for (i=0; i<MPT_MAX_ADAPTERS; i++) {
-		ioc = NULL;
-		if (((iocnum = mpt_verify_adapter(i, &ioc)) < 0) ||
-		    (ioc == NULL)) {
-			continue;
-		}
-		else {
-			if (ioc->ioctl) {
-				kfree ( ioc->ioctl );
-				ioc->ioctl = NULL;
-			}
-		}
-	}
+	mpt_device_driver_deregister(MPTCTL_DRIVER);
+
 	return err;
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 void mptctl_exit(void)
 {
-	int i;
-	MPT_ADAPTER *ioc;
-	int iocnum;
-
 	misc_deregister(&mptctl_miscdev);
 	printk(KERN_INFO MYNAM ": Deregistered /dev/%s @ (major,minor=%d,%d)\n",
 			 mptctl_miscdev.name, MISC_MAJOR, mptctl_miscdev.minor);
@@ -2957,6 +2979,8 @@ void mptctl_exit(void)
 	mpt_deregister(mptctl_id);
 	printk(KERN_INFO MYNAM ": Deregistered from Fusion MPT base driver\n");
 
+        mpt_device_driver_deregister(MPTCTL_DRIVER);
+
 #ifdef CONFIG_COMPAT
 	unregister_ioctl32_conversion(MPTIOCINFO);
 	unregister_ioctl32_conversion(MPTIOCINFO1);
@@ -2973,20 +2997,6 @@ void mptctl_exit(void)
 	unregister_ioctl32_conversion(HP_GETTARGETINFO);
 #endif
 
-	/* Free allocated memory */
-	for (i=0; i<MPT_MAX_ADAPTERS; i++) {
-		ioc = NULL;
-		if (((iocnum = mpt_verify_adapter(i, &ioc)) < 0) ||
-		    (ioc == NULL)) {
-			continue;
-		}
-		else {
-			if (ioc->ioctl) {
-				kfree ( ioc->ioctl );
-				ioc->ioctl = NULL;
-			}
-		}
-	}
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/

drivers/message/fusion/mptlan.c

@@ -177,11 +177,9 @@ static int LanCtx = -1;
 static u32 max_buckets_out = 127;
 static u32 tx_max_out_p = 127 - 16;
 
-static struct net_device *mpt_landev[MPT_MAX_ADAPTERS+1];
-
 #ifdef QLOGIC_NAA_WORKAROUND
 static struct NAA_Hosed *mpt_bad_naa = NULL;
-rwlock_t bad_naa_lock;
+rwlock_t bad_naa_lock = RW_LOCK_UNLOCKED;
 #endif
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -203,7 +201,7 @@ extern int mpt_lan_index;
 static int
 lan_reply (MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *reply)
 {
-	struct net_device *dev = mpt_landev[ioc->id];
+	struct net_device *dev = ioc->netdev;
 	int FreeReqFrame = 0;
 
 	dioprintk((KERN_INFO MYNAM ": %s/%s: Got reply.\n",
@@ -336,7 +334,7 @@ lan_reply (MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *reply)
 static int
 mpt_lan_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
 {
-	struct net_device *dev = mpt_landev[ioc->id];
+	struct net_device *dev = ioc->netdev;
 	struct mpt_lan_priv *priv = netdev_priv(dev);
 
 	dlprintk((KERN_INFO MYNAM ": IOC %s_reset routed to LAN driver!\n",
@@ -1451,20 +1449,74 @@ mpt_register_lan_device (MPT_ADAPTER *mpt_dev, int pnum)
 	return dev;
 }
 
-/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-static int __init mpt_lan_init (void)
+static int
+mptlan_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 {
+	MPT_ADAPTER 		*ioc = pci_get_drvdata(pdev);
 	struct net_device	*dev;
-	MPT_ADAPTER *p;
-	int i, j;
+	int			i;
 
-	show_mptmod_ver(LANAME, LANVER);
+	for (i = 0; i < ioc->facts.NumberOfPorts; i++) {
+		printk(KERN_INFO MYNAM ": %s: PortNum=%x, "
+		       "ProtocolFlags=%02Xh (%c%c%c%c)\n",
+		       ioc->name, ioc->pfacts[i].PortNumber,
+		       ioc->pfacts[i].ProtocolFlags,
+		       MPT_PROTOCOL_FLAGS_c_c_c_c(
+			       ioc->pfacts[i].ProtocolFlags));
+
+		if (!(ioc->pfacts[i].ProtocolFlags &
+					MPI_PORTFACTS_PROTOCOL_LAN)) {
+			printk(KERN_INFO MYNAM ": %s: Hmmm... LAN protocol "
+			       "seems to be disabled on this adapter port!\n",
+			       ioc->name);
+			continue;
+		}
 
-#ifdef QLOGIC_NAA_WORKAROUND
-	/* Init the global r/w lock for the bad_naa list. We want to do this
-	   before any boards are initialized and may be used. */
-	rwlock_init(&bad_naa_lock);
-#endif
+		dev = mpt_register_lan_device(ioc, i);
+		if (!dev) {
+			printk(KERN_ERR MYNAM ": %s: Unable to register "
+			       "port%d as a LAN device\n", ioc->name,
+			       ioc->pfacts[i].PortNumber);
+			continue;
+		}
+		
+		printk(KERN_INFO MYNAM ": %s: Fusion MPT LAN device "
+		       "registered as '%s'\n", ioc->name, dev->name);
+		printk(KERN_INFO MYNAM ": %s/%s: "
+		       "LanAddr = %02X:%02X:%02X:%02X:%02X:%02X\n",
+		       IOC_AND_NETDEV_NAMES_s_s(dev),
+		       dev->dev_addr[0], dev->dev_addr[1],
+		       dev->dev_addr[2], dev->dev_addr[3],
+		       dev->dev_addr[4], dev->dev_addr[5]);
+	
+		ioc->netdev = dev;
+
+		return 0;
+	}
+
+	return -ENODEV;
+}
+
+static void
+mptlan_remove(struct pci_dev *pdev)
+{
+	MPT_ADAPTER 		*ioc = pci_get_drvdata(pdev);
+	struct net_device	*dev = ioc->netdev;
+
+	if(dev != NULL) {
+		unregister_netdev(dev);
+		free_netdev(dev);
+	}
+}
+
+static struct mpt_pci_driver mptlan_driver = {
+	.probe		= mptlan_probe,
+	.remove		= mptlan_remove,
+};
+
+static int __init mpt_lan_init (void)
+{
+	show_mptmod_ver(LANAME, LANVER);
 
 	if ((LanCtx = mpt_register(lan_reply, MPTLAN_DRIVER)) <= 0) {
 		printk (KERN_ERR MYNAM ": Failed to register with MPT base driver\n");
@@ -1476,88 +1528,32 @@ static int __init mpt_lan_init (void)
 
 	dlprintk((KERN_INFO MYNAM ": assigned context of %d\n", LanCtx));
 
-	if (mpt_reset_register(LanCtx, mpt_lan_ioc_reset) == 0) {
-		dlprintk((KERN_INFO MYNAM ": Registered for IOC reset notifications\n"));
-	} else {
+	if (mpt_reset_register(LanCtx, mpt_lan_ioc_reset)) {
 		printk(KERN_ERR MYNAM ": Eieee! unable to register a reset "
 		       "handler with mptbase! The world is at an end! "
 		       "Everything is fading to black! Goodbye.\n");
 		return -EBUSY;
 	}
 
-	for (j = 0; j < MPT_MAX_ADAPTERS; j++) {
-		mpt_landev[j] = NULL;
-	}
-
-	list_for_each_entry(p, &ioc_list, list) {
-		for (i = 0; i < p->facts.NumberOfPorts; i++) {
-			printk (KERN_INFO MYNAM ": %s: PortNum=%x, ProtocolFlags=%02Xh (%c%c%c%c)\n",
-					p->name,
-					p->pfacts[i].PortNumber,
-					p->pfacts[i].ProtocolFlags,
-					MPT_PROTOCOL_FLAGS_c_c_c_c(p->pfacts[i].ProtocolFlags));
-
-			if (!(p->pfacts[i].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN)) {
-				printk (KERN_INFO MYNAM ": %s: Hmmm... LAN protocol seems to be disabled on this adapter port!\n",
-						p->name);
-				continue;
-			}
-
-			dev = mpt_register_lan_device (p, i);
-			if (!dev) {
-				printk (KERN_ERR MYNAM ": %s: Unable to register port%d as a LAN device\n",
-						p->name,
-						p->pfacts[i].PortNumber);
-			}
-			printk (KERN_INFO MYNAM ": %s: Fusion MPT LAN device registered as '%s'\n",
-					p->name, dev->name);
-			printk (KERN_INFO MYNAM ": %s/%s: LanAddr = %02X:%02X:%02X:%02X:%02X:%02X\n",
-					IOC_AND_NETDEV_NAMES_s_s(dev),
-					dev->dev_addr[0], dev->dev_addr[1],
-					dev->dev_addr[2], dev->dev_addr[3],
-					dev->dev_addr[4], dev->dev_addr[5]);
-//					printk (KERN_INFO MYNAM ": %s/%s: Max_TX_outstanding = %d\n",
-//							IOC_AND_NETDEV_NAMES_s_s(dev),
-//							NETDEV_TO_LANPRIV_PTR(dev)->tx_max_out);
-			j = p->id;
-			mpt_landev[j] = dev;
-			dlprintk((KERN_INFO MYNAM "/init: dev_addr=%p, mpt_landev[%d]=%p\n",
-					dev, j,  mpt_landev[j]));
-
-		}
-	}
+	dlprintk((KERN_INFO MYNAM ": Registered for IOC reset notifications\n"));
 	
+	if (mpt_device_driver_register(&mptlan_driver, MPTLAN_DRIVER))
+		dprintk((KERN_INFO MYNAM ": failed to register dd callbacks\n"));
 	return 0;
 }
 
-/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 static void __exit mpt_lan_exit(void)
 {
-	int i;
-
+	mpt_device_driver_deregister(MPTLAN_DRIVER);
 	mpt_reset_deregister(LanCtx);
 
-	for (i = 0; mpt_landev[i] != NULL; i++) {
-		struct net_device *dev = mpt_landev[i];
-
-		printk (KERN_INFO ": %s/%s: Fusion MPT LAN device unregistered\n",
-			       IOC_AND_NETDEV_NAMES_s_s(dev));
-		unregister_netdev(dev);
-		free_netdev(dev);
-		mpt_landev[i] = NULL;
-	}
-
 	if (LanCtx >= 0) {
 		mpt_deregister(LanCtx);
 		LanCtx = -1;
 		mpt_lan_index = 0;
 	}
-
-	/* deregister any send/receive handler structs. I2Oism? */
 }
 
-/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-
 module_init(mpt_lan_init);
 module_exit(mpt_lan_exit);
 

drivers/message/fusion/mptscsih.c

@@ -3058,19 +3058,14 @@ mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
 	int		heads;
 	int		sectors;
 	sector_t	cylinders;
-#ifdef CONFIG_LBD
 	ulong 		dummy;
-#endif
 
 	heads = 64;
 	sectors = 32;
-#ifdef CONFIG_LBD
+
 	dummy = heads * sectors;
 	cylinders = capacity;
 	sector_div(cylinders,dummy);
-#else
-	cylinders = (ulong)capacity / (heads * sectors);
-#endif
 
 	/*
 	 * Handle extended translation size for logical drives
@@ -3079,13 +3074,9 @@ mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
 	if ((ulong)capacity >= 0x200000) {
 		heads = 255;
 		sectors = 63;
-#ifdef CONFIG_LBD
 		dummy = heads * sectors;
 		cylinders = capacity;
 		sector_div(cylinders,dummy);
-#else
-		cylinders = (ulong)capacity / (heads * sectors);
-#endif
 	}
 
 	/* return result */