Merge with /usr/src/ntfs-2.6.git

Documentation/aoe/aoe.txt

@@ -4,6 +4,16 @@ The EtherDrive (R) HOWTO for users of 2.6 kernels is found at ...
 
   It has many tips and hints!
 
+The aoetools are userland programs that are designed to work with this
+driver.  The aoetools are on sourceforge.
+
+  http://aoetools.sourceforge.net/
+
+The scripts in this Documentation/aoe directory are intended to
+document the use of the driver and are not necessary if you install
+the aoetools.
+
+
 CREATING DEVICE NODES
 
   Users of udev should find the block device nodes created
@@ -35,14 +45,15 @@ USING DEVICE NODES
 
   "echo eth2 eth4 > /dev/etherd/interfaces" tells the aoe driver to
   limit ATA over Ethernet traffic to eth2 and eth4.  AoE traffic from
-  untrusted networks should be ignored as a matter of security.
+  untrusted networks should be ignored as a matter of security.  See
+  also the aoe_iflist driver option described below.
 
   "echo > /dev/etherd/discover" tells the driver to find out what AoE
   devices are available.
 
   These character devices may disappear and be replaced by sysfs
-  counterparts, so distribution maintainers are encouraged to create
-  scripts that use these devices.
+  counterparts.  Using the commands in aoetools insulates users from
+  these implementation details.
 
   The block devices are named like this:
 
@@ -66,7 +77,8 @@ USING SYSFS
   through which we are communicating with the remote AoE device.
 
   There is a script in this directory that formats this information
-  in a convenient way.
+  in a convenient way.  Users with aoetools can use the aoe-stat
+  command.
 
   root@makki root# sh Documentation/aoe/status.sh 
      e10.0            eth3              up
@@ -89,3 +101,23 @@ USING SYSFS
       e4.7            eth1              up
       e4.8            eth1              up
       e4.9            eth1              up
+
+  Use /sys/module/aoe/parameters/aoe_iflist (or better, the driver
+  option discussed below) instead of /dev/etherd/interfaces to limit
+  AoE traffic to the network interfaces in the given
+  whitespace-separated list.  Unlike the old character device, the
+  sysfs entry can be read from as well as written to.
+
+  It's helpful to trigger discovery after setting the list of allowed
+  interfaces.  The aoetools package provides an aoe-discover script
+  for this purpose.  You can also directly use the
+  /dev/etherd/discover special file described above.
+
+DRIVER OPTIONS
+
+  There is a boot option for the built-in aoe driver and a
+  corresponding module parameter, aoe_iflist.  Without this option,
+  all network interfaces may be used for ATA over Ethernet.  Here is a
+  usage example for the module parameter.
+
+    modprobe aoe_iflist="eth1 eth3"

Documentation/aoe/status.sh

@@ -14,10 +14,6 @@ test ! -d "$sysd/block" && {
 	echo "$me Error: sysfs is not mounted" 1>&2
 	exit 1
 }
-test -z "`lsmod | grep '^aoe'`" && {
-	echo  "$me Error: aoe module is not loaded" 1>&2
-	exit 1
-}
 
 for d in `ls -d $sysd/block/etherd* 2>/dev/null | grep -v p` end; do
 	# maybe ls comes up empty, so we use "end"

Documentation/pci.txt

@@ -279,6 +279,7 @@ pci_for_each_dev_reverse()	Superseded by pci_find_device_reverse()
 pci_for_each_bus()		Superseded by pci_find_next_bus()
 pci_find_device()		Superseded by pci_get_device()
 pci_find_subsys()		Superseded by pci_get_subsys()
+pci_find_slot()			Superseded by pci_get_slot()
 pcibios_find_class()		Superseded by pci_get_class()
 pci_find_class()		Superseded by pci_get_class()
 pci_(read|write)_*_nodev()	Superseded by pci_bus_(read|write)_*()

Documentation/power/pci.txt

@@ -165,40 +165,9 @@ Description:
 These functions are intended for use by individual drivers, and are defined in 
 struct pci_driver:
 
-        int  (*save_state) (struct pci_dev *dev, u32 state);
-        int  (*suspend) (struct pci_dev *dev, u32 state);
+        int  (*suspend) (struct pci_dev *dev, pm_message_t state);
         int  (*resume) (struct pci_dev *dev);
-        int  (*enable_wake) (struct pci_dev *dev, u32 state, int enable);
-
-
-save_state
-----------
-
-Usage:
-
-if (dev->driver && dev->driver->save_state)
-	dev->driver->save_state(dev,state);
-
-The driver should use this callback to save device state. It should take into
-account the current state of the device and the requested state in order to
-avoid any unnecessary operations.
-
-For example, a video card that supports all 4 states (D0-D3), all controller
-context is preserved when entering D1, but the screen is placed into a low power
-state (blanked). 
-
-The driver can also interpret this function as a notification that it may be
-entering a sleep state in the near future. If it knows that the device cannot
-enter the requested state, either because of lack of support for it, or because
-the device is middle of some critical operation, then it should fail.
-
-This function should not be used to set any state in the device or the driver
-because the device may not actually enter the sleep state (e.g. another driver
-later causes causes a global state transition to fail).
-
-Note that in intermediate low power states, a device's I/O and memory spaces may
-be disabled and may not be available in subsequent transitions to lower power
-states.
+        int  (*enable_wake) (struct pci_dev *dev, pci_power_t state, int enable);
 
 
 suspend

arch/alpha/Kconfig

@@ -280,6 +280,10 @@ config ISA
 	  (MCA) or VESA.  ISA is an older system, now being displaced by PCI;
 	  newer boards don't support it.  If you have ISA, say Y, otherwise N.
 
+config ISA_DMA_API
+	bool
+	default y
+
 config PCI
 	bool
 	depends on !ALPHA_JENSEN

arch/arm/Kconfig

@@ -266,6 +266,10 @@ config ISA_DMA
 	depends on FOOTBRIDGE_HOST || ARCH_SHARK
 	default y
 
+config ISA_DMA_API
+	bool
+	default y
+
 config PCI
 	bool "PCI support" if ARCH_INTEGRATOR_AP
 	default y if ARCH_SHARK || FOOTBRIDGE_HOST || ARCH_IOP3XX || ARCH_IXP4XX || ARCH_IXP2000

arch/arm/mach-ixp4xx/common-pci.c

@@ -501,15 +501,6 @@ pci_set_dma_mask(struct pci_dev *dev, u64 mask)
 	return -EIO;
 }
 
-int
-pci_dac_set_dma_mask(struct pci_dev *dev, u64 mask)
-{
-	if (mask >= SZ_64M - 1 )
-		return 0;
-
-	return -EIO;
-}
-
 int
 pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
 {
@@ -520,7 +511,6 @@ pci_set_consistent_dma_mask(struct pci_dev *dev, u64 mask)
 }
 
 EXPORT_SYMBOL(pci_set_dma_mask);
-EXPORT_SYMBOL(pci_dac_set_dma_mask);
 EXPORT_SYMBOL(pci_set_consistent_dma_mask);
 EXPORT_SYMBOL(ixp4xx_pci_read);
 EXPORT_SYMBOL(ixp4xx_pci_write);

arch/arm26/Kconfig

@@ -89,6 +89,10 @@ config PAGESIZE_16
           machine with 4MB of memory.
 endmenu
 
+config ISA_DMA_API
+	bool
+	default y
+
 menu "General setup"
 
 # Compressed boot loader in ROM.  Yes, we really want to ask about

arch/i386/Kconfig

@@ -1173,6 +1173,10 @@ source "drivers/pci/pcie/Kconfig"
 
 source "drivers/pci/Kconfig"
 
+config ISA_DMA_API
+	bool
+	default y
+
 config ISA
 	bool "ISA support"
 	depends on !(X86_VOYAGER || X86_VISWS)

arch/m68knommu/Kconfig

@@ -534,6 +534,11 @@ endchoice
 
 endmenu
 
+config ISA_DMA_API
+	bool
+	depends on !M5272
+	default y
+
 menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)"
 
 config PCI

arch/mips/Kconfig

@@ -1656,3 +1656,7 @@ config GENERIC_HARDIRQS
 config GENERIC_IRQ_PROBE
 	bool
 	default y
+
+config ISA_DMA_API
+	bool
+	default y

arch/parisc/Kconfig

@@ -45,6 +45,10 @@ config GENERIC_IRQ_PROBE
 config PM
 	bool
 
+config ISA_DMA_API
+	bool
+	default y
+
 source "init/Kconfig"
 
 

arch/ppc/Kconfig

@@ -1079,6 +1079,10 @@ source kernel/power/Kconfig
 
 endmenu
 
+config ISA_DMA_API
+	bool
+	default y
+
 menu "Bus options"
 
 config ISA

arch/ppc64/Kconfig

@@ -293,6 +293,9 @@ config SECCOMP
 
 endmenu
 
+config ISA_DMA_API
+	bool
+	default y
 
 menu "General setup"
 

arch/sh/Kconfig

@@ -693,6 +693,10 @@ config RTC_9701JE
 
 endmenu
 
+config ISA_DMA_API
+	bool
+	depends on MPC1211
+	default y
 
 menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)"
 

arch/sparc/prom/memory.c

@@ -47,9 +47,9 @@ prom_sortmemlist(struct linux_mlist_v0 *thislist)
 	char *tmpaddr;
 	char *lowest;
 
-	for(i=0; thislist[i].theres_more != 0; i++) {
+	for(i=0; thislist[i].theres_more; i++) {
 		lowest = thislist[i].start_adr;
-		for(mitr = i+1; thislist[mitr-1].theres_more != 0; mitr++)
+		for(mitr = i+1; thislist[mitr-1].theres_more; mitr++)
 			if(thislist[mitr].start_adr < lowest) {
 				lowest = thislist[mitr].start_adr;
 				swapi = mitr;
@@ -85,23 +85,23 @@ void __init prom_meminit(void)
 			prom_phys_total[iter].num_bytes = mptr->num_bytes;
 			prom_phys_total[iter].theres_more = &prom_phys_total[iter+1];
 		}
-		prom_phys_total[iter-1].theres_more = 0x0;
+		prom_phys_total[iter-1].theres_more = NULL;
 		/* Second, the total prom taken descriptors. */
 		for(mptr = (*(romvec->pv_v0mem.v0_prommap)), iter=0;
 		    mptr; mptr=mptr->theres_more, iter++) {
 			prom_prom_taken[iter].start_adr = mptr->start_adr;
 			prom_prom_taken[iter].num_bytes = mptr->num_bytes;
 			prom_prom_taken[iter].theres_more = &prom_prom_taken[iter+1];
 		}
-		prom_prom_taken[iter-1].theres_more = 0x0;
+		prom_prom_taken[iter-1].theres_more = NULL;
 		/* Last, the available physical descriptors. */
 		for(mptr = (*(romvec->pv_v0mem.v0_available)), iter=0;
 		    mptr; mptr=mptr->theres_more, iter++) {
 			prom_phys_avail[iter].start_adr = mptr->start_adr;
 			prom_phys_avail[iter].num_bytes = mptr->num_bytes;
 			prom_phys_avail[iter].theres_more = &prom_phys_avail[iter+1];
 		}
-		prom_phys_avail[iter-1].theres_more = 0x0;
+		prom_phys_avail[iter-1].theres_more = NULL;
 		/* Sort all the lists. */
 		prom_sortmemlist(prom_phys_total);
 		prom_sortmemlist(prom_prom_taken);
@@ -124,7 +124,7 @@ void __init prom_meminit(void)
 			prom_phys_avail[iter].theres_more =
 				&prom_phys_avail[iter+1];
 		}
-		prom_phys_avail[iter-1].theres_more = 0x0;
+		prom_phys_avail[iter-1].theres_more = NULL;
 
 		num_regs = prom_getproperty(node, "reg",
 					    (char *) prom_reg_memlist,
@@ -138,7 +138,7 @@ void __init prom_meminit(void)
 			prom_phys_total[iter].theres_more =
 				&prom_phys_total[iter+1];
 		}
-		prom_phys_total[iter-1].theres_more = 0x0;
+		prom_phys_total[iter-1].theres_more = NULL;
 
 		node = prom_getchild(prom_root_node);
 		node = prom_searchsiblings(node, "virtual-memory");
@@ -158,7 +158,7 @@ void __init prom_meminit(void)
 			prom_prom_taken[iter].theres_more =
 				&prom_prom_taken[iter+1];
 		}
-		prom_prom_taken[iter-1].theres_more = 0x0;
+		prom_prom_taken[iter-1].theres_more = NULL;
 
 		prom_sortmemlist(prom_prom_taken);
 
@@ -182,15 +182,15 @@ void __init prom_meminit(void)
 	case PROM_SUN4:
 #ifdef CONFIG_SUN4	
 		/* how simple :) */
-		prom_phys_total[0].start_adr = 0x0;
+		prom_phys_total[0].start_adr = NULL;
 		prom_phys_total[0].num_bytes = *(sun4_romvec->memorysize);
-		prom_phys_total[0].theres_more = 0x0;
-		prom_prom_taken[0].start_adr = 0x0; 
+		prom_phys_total[0].theres_more = NULL;
+		prom_prom_taken[0].start_adr = NULL; 
 		prom_prom_taken[0].num_bytes = 0x0;
-		prom_prom_taken[0].theres_more = 0x0;
-		prom_phys_avail[0].start_adr = 0x0;
+		prom_prom_taken[0].theres_more = NULL;
+		prom_phys_avail[0].start_adr = NULL;
 		prom_phys_avail[0].num_bytes = *(sun4_romvec->memoryavail);
-		prom_phys_avail[0].theres_more = 0x0;
+		prom_phys_avail[0].theres_more = NULL;
 #endif
 		break;
 

arch/sparc/prom/sun4prom.c

@@ -151,7 +151,7 @@ struct linux_romvec * __init sun4_prom_init(void)
 	 * have more time, we can teach the penguin to say "By your
 	 * command" or "Activating turbo boost, Michael". :-)
 	 */
-	sun4_romvec->setLEDs(0x0);
+	sun4_romvec->setLEDs(NULL);
 
 	printk("PROMLIB: Old Sun4 boot PROM monitor %s, romvec version %d\n",
 		sun4_romvec->monid,

arch/sparc64/kernel/irq.c

@@ -756,7 +756,7 @@ void handler_irq(int irq, struct pt_regs *regs)
 		clear_softint(clr_mask);
 	}
 #else
-	int should_forward = 1;
+	int should_forward = 0;
 
 	clear_softint(1 << irq);
 #endif
@@ -1007,10 +1007,10 @@ static int retarget_one_irq(struct irqaction *p, int goal_cpu)
 	}
 	upa_writel(tid | IMAP_VALID, imap);
 
-	while (!cpu_online(goal_cpu)) {
+	do {
 		if (++goal_cpu >= NR_CPUS)
 			goal_cpu = 0;
-	}
+	} while (!cpu_online(goal_cpu));
 
 	return goal_cpu;
 }

arch/x86_64/Kconfig

@@ -379,6 +379,11 @@ config GENERIC_IRQ_PROBE
 	bool
 	default y
 
+# we have no ISA slots, but we do have ISA-style DMA.
+config ISA_DMA_API
+	bool
+	default y
+
 menu "Power management options"
 
 source kernel/power/Kconfig