Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6

26 files changed, 906 insertions, 368 deletions

diff --git a/include/asm-sparc64/a.out.h b/include/asm-sparc64/a.out.h
index eb3b8e90b279..902e07f89a42 100644
--- a/include/asm-sparc64/a.out.h
+++ b/include/asm-sparc64/a.out.h
@@ -101,6 +101,8 @@ struct relocation_info /* used when header.a_machtype == M_SPARC */
 #define STACK_TOP (test_thread_flag(TIF_32BIT) ? \
 		   STACK_TOP32 : STACK_TOP64)
 
+#define STACK_TOP_MAX STACK_TOP64
+
 #endif
 
 #endif /* !(__ASSEMBLY__) */
diff --git a/include/asm-sparc64/bugs.h b/include/asm-sparc64/bugs.h
index bf39d86c0c9e..11ade6841971 100644
--- a/include/asm-sparc64/bugs.h
+++ b/include/asm-sparc64/bugs.h
@@ -4,12 +4,7 @@
  */
 #include <asm/sstate.h>
 
-extern unsigned long loops_per_jiffy;
-
 static void __init check_bugs(void)
 {
-#ifndef CONFIG_SMP
-	cpu_data(0).udelay_val = loops_per_jiffy;
-#endif
 	sstate_running();
 }
diff --git a/include/asm-sparc64/compat.h b/include/asm-sparc64/compat.h
index 36511ca51416..01fe6682b405 100644
--- a/include/asm-sparc64/compat.h
+++ b/include/asm-sparc64/compat.h
@@ -31,8 +31,10 @@ typedef s32		compat_timer_t;
 
 typedef s32		compat_int_t;
 typedef s32		compat_long_t;
+typedef s64		compat_s64;
 typedef u32		compat_uint_t;
 typedef u32		compat_ulong_t;
+typedef u64		compat_u64;
 
 struct compat_timespec {
 	compat_time_t	tv_sec;
diff --git a/include/asm-sparc64/cpudata.h b/include/asm-sparc64/cpudata.h
index 445026fbec35..98a6e609163e 100644
--- a/include/asm-sparc64/cpudata.h
+++ b/include/asm-sparc64/cpudata.h
@@ -19,7 +19,7 @@ typedef struct {
 	unsigned int	__softirq_pending; /* must be 1st, see rtrap.S */
 	unsigned int	__pad0;
 	unsigned long	clock_tick;	/* %tick's per second */
-	unsigned long	udelay_val;
+	unsigned long	__pad;
 	unsigned int	__pad1;
 	unsigned int	__pad2;
 
@@ -80,7 +80,8 @@ struct trap_per_cpu {
 	unsigned int		dev_mondo_qmask;
 	unsigned int		resum_qmask;
 	unsigned int		nonresum_qmask;
-	unsigned int		__pad2[3];
+	unsigned int		__pad2[1];
+	void			*hdesc;
 } __attribute__((aligned(64)));
 extern struct trap_per_cpu trap_block[NR_CPUS];
 extern void init_cur_cpu_trap(struct thread_info *);
diff --git a/include/asm-sparc64/delay.h b/include/asm-sparc64/delay.h
index a4aae6f80627..a77aa622d762 100644
--- a/include/asm-sparc64/delay.h
+++ b/include/asm-sparc64/delay.h
@@ -1,37 +1,17 @@
 /* delay.h: Linux delay routines on sparc64.
  *
- * Copyright (C) 1996, 2004 David S. Miller (davem@davemloft.net).
- *
- * Based heavily upon x86 variant which is:
- * Copyright (C) 1993 Linus Torvalds
- *
- * Delay routines calling functions in arch/sparc64/lib/delay.c
+ * Copyright (C) 1996, 2004, 2007 David S. Miller (davem@davemloft.net).
  */
 
-#ifndef __SPARC64_DELAY_H
-#define __SPARC64_DELAY_H
-
-#include <linux/param.h>
-#include <asm/cpudata.h>
+#ifndef _SPARC64_DELAY_H
+#define _SPARC64_DELAY_H
 
 #ifndef __ASSEMBLY__
 
-extern void __bad_udelay(void);
-extern void __bad_ndelay(void);
-
-extern void __udelay(unsigned long usecs);
-extern void __ndelay(unsigned long nsecs);
-extern void __const_udelay(unsigned long usecs);
 extern void __delay(unsigned long loops);
-
-#define udelay(n) (__builtin_constant_p(n) ? \
-	((n) > 20000 ? __bad_udelay() : __const_udelay((n) * 0x10c7ul)) : \
-	__udelay(n))
-	
-#define ndelay(n) (__builtin_constant_p(n) ? \
-	((n) > 20000 ? __bad_ndelay() : __const_udelay((n) * 5ul)) : \
-	__ndelay(n))
+extern void udelay(unsigned long usecs);
+#define mdelay(n)	udelay((n) * 1000)
 
 #endif /* !__ASSEMBLY__ */
 
-#endif /* defined(__SPARC64_DELAY_H) */
+#endif /* _SPARC64_DELAY_H */
diff --git a/include/asm-sparc64/fb.h b/include/asm-sparc64/fb.h
new file mode 100644
index 000000000000..389012e5fbad
--- /dev/null
+++ b/include/asm-sparc64/fb.h
@@ -0,0 +1,27 @@
+#ifndef _ASM_FB_H_
+#define _ASM_FB_H_
+#include <linux/fb.h>
+#include <linux/fs.h>
+#include <asm/page.h>
+#include <asm/prom.h>
+
+static inline void fb_pgprotect(struct file *file, struct vm_area_struct *vma,
+				unsigned long off)
+{
+	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
+}
+
+static inline int fb_is_primary_device(struct fb_info *info)
+{
+	struct device *dev = info->device;
+	struct device_node *node;
+
+	node = dev->archdata.prom_node;
+	if (node &&
+	    node == of_console_device)
+		return 1;
+
+	return 0;
+}
+
+#endif /* _ASM_FB_H_ */
diff --git a/include/asm-sparc64/hvtramp.h b/include/asm-sparc64/hvtramp.h
new file mode 100644
index 000000000000..c7dd6ad056df
--- /dev/null
+++ b/include/asm-sparc64/hvtramp.h
@@ -0,0 +1,37 @@
+#ifndef _SPARC64_HVTRAP_H
+#define _SPARC64_HVTRAP_H
+
+#ifndef __ASSEMBLY__
+
+#include <linux/types.h>
+
+struct hvtramp_mapping {
+	__u64		vaddr;
+	__u64		tte;
+};
+
+struct hvtramp_descr {
+	__u32			cpu;
+	__u32			num_mappings;
+	__u64			fault_info_va;
+	__u64			fault_info_pa;
+	__u64			thread_reg;
+	struct hvtramp_mapping	maps[2];
+};
+
+extern void hv_cpu_startup(unsigned long hvdescr_pa);
+
+#endif
+
+#define HVTRAMP_DESCR_CPU		0x00
+#define HVTRAMP_DESCR_NUM_MAPPINGS	0x04
+#define HVTRAMP_DESCR_FAULT_INFO_VA	0x08
+#define HVTRAMP_DESCR_FAULT_INFO_PA	0x10
+#define HVTRAMP_DESCR_THREAD_REG	0x18
+#define HVTRAMP_DESCR_MAPS		0x20
+
+#define HVTRAMP_MAPPING_VADDR		0x00
+#define HVTRAMP_MAPPING_TTE		0x08
+#define HVTRAMP_MAPPING_SIZE		0x10
+
+#endif /* _SPARC64_HVTRAP_H */
diff --git a/include/asm-sparc64/hypervisor.h b/include/asm-sparc64/hypervisor.h
index db2130a95d68..524d49835dfd 100644
--- a/include/asm-sparc64/hypervisor.h
+++ b/include/asm-sparc64/hypervisor.h
@@ -98,7 +98,7 @@
 #define HV_FAST_MACH_EXIT		0x00
 
 #ifndef __ASSEMBLY__
-extern void sun4v_mach_exit(unsigned long exit_core);
+extern void sun4v_mach_exit(unsigned long exit_code);
 #endif
 
 /* Domain services.  */
diff --git a/include/asm-sparc64/io.h b/include/asm-sparc64/io.h
index ad595b679842..9565a892801e 100644
--- a/include/asm-sparc64/io.h
+++ b/include/asm-sparc64/io.h
@@ -14,11 +14,6 @@
 #define __SLOW_DOWN_IO	do { } while (0)
 #define SLOW_DOWN_IO	do { } while (0)
 
-extern unsigned long virt_to_bus_not_defined_use_pci_map(volatile void *addr);
-#define virt_to_bus virt_to_bus_not_defined_use_pci_map
-extern unsigned long bus_to_virt_not_defined_use_pci_map(volatile void *addr);
-#define bus_to_virt bus_to_virt_not_defined_use_pci_map
-
 /* BIO layer definitions. */
 extern unsigned long kern_base, kern_size;
 #define page_to_phys(page)	(page_to_pfn(page) << PAGE_SHIFT)
diff --git a/include/asm-sparc64/irq.h b/include/asm-sparc64/irq.h
index 90781e34a95c..e6c436ef9356 100644
--- a/include/asm-sparc64/irq.h
+++ b/include/asm-sparc64/irq.h
@@ -53,6 +53,8 @@ extern unsigned int sun4v_build_msi(u32 devhandle, unsigned int *virt_irq_p,
 extern void sun4v_destroy_msi(unsigned int virt_irq);
 extern unsigned int sbus_build_irq(void *sbus, unsigned int ino);
 
+extern void fixup_irqs(void);
+
 static __inline__ void set_softint(unsigned long bits)
 {
 	__asm__ __volatile__("wr	%0, 0x0, %%set_softint"
diff --git a/include/asm-sparc64/kprobes.h b/include/asm-sparc64/kprobes.h
index a331b7b0dff2..7f6774dca5f4 100644
--- a/include/asm-sparc64/kprobes.h
+++ b/include/asm-sparc64/kprobes.h
@@ -10,7 +10,6 @@ typedef u32 kprobe_opcode_t;
 #define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */
 #define MAX_INSN_SIZE 2
 
-#define JPROBE_ENTRY(pentry)	(kprobe_opcode_t *)pentry
 #define arch_remove_kprobe(p)	do {} while (0)
 #define  ARCH_INACTIVE_KPROBE_COUNT 0
 
diff --git a/include/asm-sparc64/ldc.h b/include/asm-sparc64/ldc.h
new file mode 100644
index 000000000000..bdb524a7b814
--- /dev/null
+++ b/include/asm-sparc64/ldc.h
@@ -0,0 +1,138 @@
+#ifndef _SPARC64_LDC_H
+#define _SPARC64_LDC_H
+
+#include <asm/hypervisor.h>
+
+extern int ldom_domaining_enabled;
+extern void ldom_set_var(const char *var, const char *value);
+extern void ldom_reboot(const char *boot_command);
+extern void ldom_power_off(void);
+
+/* The event handler will be evoked when link state changes
+ * or data becomes available on the receive side.
+ *
+ * For non-RAW links, if the LDC_EVENT_RESET event arrives the
+ * driver should reset all of it's internal state and reinvoke
+ * ldc_connect() to try and bring the link up again.
+ *
+ * For RAW links, ldc_connect() is not used.  Instead the driver
+ * just waits for the LDC_EVENT_UP event.
+ */
+struct ldc_channel_config {
+	void (*event)(void *arg, int event);
+
+	u32			mtu;
+	unsigned int		rx_irq;
+	unsigned int		tx_irq;
+	u8			mode;
+#define LDC_MODE_RAW		0x00
+#define LDC_MODE_UNRELIABLE	0x01
+#define LDC_MODE_RESERVED	0x02
+#define LDC_MODE_STREAM		0x03
+
+	u8			debug;
+#define LDC_DEBUG_HS		0x01
+#define LDC_DEBUG_STATE		0x02
+#define LDC_DEBUG_RX		0x04
+#define LDC_DEBUG_TX		0x08
+#define LDC_DEBUG_DATA		0x10
+};
+
+#define LDC_EVENT_RESET		0x01
+#define LDC_EVENT_UP		0x02
+#define LDC_EVENT_DATA_READY	0x04
+
+#define LDC_STATE_INVALID	0x00
+#define LDC_STATE_INIT		0x01
+#define LDC_STATE_BOUND		0x02
+#define LDC_STATE_READY		0x03
+#define LDC_STATE_CONNECTED	0x04
+
+struct ldc_channel;
+
+/* Allocate state for a channel.  */
+extern struct ldc_channel *ldc_alloc(unsigned long id,
+				     const struct ldc_channel_config *cfgp,
+				     void *event_arg);
+
+/* Shut down and free state for a channel.  */
+extern void ldc_free(struct ldc_channel *lp);
+
+/* Register TX and RX queues of the link with the hypervisor.  */
+extern int ldc_bind(struct ldc_channel *lp, const char *name);
+
+/* For non-RAW protocols we need to complete a handshake before
+ * communication can proceed.  ldc_connect() does that, if the
+ * handshake completes successfully, an LDC_EVENT_UP event will
+ * be sent up to the driver.
+ */
+extern int ldc_connect(struct ldc_channel *lp);
+extern int ldc_disconnect(struct ldc_channel *lp);
+
+extern int ldc_state(struct ldc_channel *lp);
+
+/* Read and write operations.  Only valid when the link is up.  */
+extern int ldc_write(struct ldc_channel *lp, const void *buf,
+		     unsigned int size);
+extern int ldc_read(struct ldc_channel *lp, void *buf, unsigned int size);
+
+#define LDC_MAP_SHADOW	0x01
+#define LDC_MAP_DIRECT	0x02
+#define LDC_MAP_IO	0x04
+#define LDC_MAP_R	0x08
+#define LDC_MAP_W	0x10
+#define LDC_MAP_X	0x20
+#define LDC_MAP_RW	(LDC_MAP_R | LDC_MAP_W)
+#define LDC_MAP_RWX	(LDC_MAP_R | LDC_MAP_W | LDC_MAP_X)
+#define LDC_MAP_ALL	0x03f
+
+struct ldc_trans_cookie {
+	u64			cookie_addr;
+	u64			cookie_size;
+};
+
+struct scatterlist;
+extern int ldc_map_sg(struct ldc_channel *lp,
+		      struct scatterlist *sg, int num_sg,
+		      struct ldc_trans_cookie *cookies, int ncookies,
+		      unsigned int map_perm);
+
+extern int ldc_map_single(struct ldc_channel *lp,
+			  void *buf, unsigned int len,
+			  struct ldc_trans_cookie *cookies, int ncookies,
+			  unsigned int map_perm);
+
+extern void ldc_unmap(struct ldc_channel *lp, struct ldc_trans_cookie *cookies,
+		      int ncookies);
+
+extern int ldc_copy(struct ldc_channel *lp, int copy_dir,
+		    void *buf, unsigned int len, unsigned long offset,
+		    struct ldc_trans_cookie *cookies, int ncookies);
+
+static inline int ldc_get_dring_entry(struct ldc_channel *lp,
+				      void *buf, unsigned int len,
+				      unsigned long offset,
+				      struct ldc_trans_cookie *cookies,
+				      int ncookies)
+{
+	return ldc_copy(lp, LDC_COPY_IN, buf, len, offset, cookies, ncookies);
+}
+
+static inline int ldc_put_dring_entry(struct ldc_channel *lp,
+				      void *buf, unsigned int len,
+				      unsigned long offset,
+				      struct ldc_trans_cookie *cookies,
+				      int ncookies)
+{
+	return ldc_copy(lp, LDC_COPY_OUT, buf, len, offset, cookies, ncookies);
+}
+
+extern void *ldc_alloc_exp_dring(struct ldc_channel *lp, unsigned int len,
+				 struct ldc_trans_cookie *cookies,
+				 int *ncookies, unsigned int map_perm);
+
+extern void ldc_free_exp_dring(struct ldc_channel *lp, void *buf,
+			       unsigned int len,
+			       struct ldc_trans_cookie *cookies, int ncookies);
+
+#endif /* _SPARC64_LDC_H */
diff --git a/include/asm-sparc64/mdesc.h b/include/asm-sparc64/mdesc.h
index c6383982b53d..1acc7272e537 100644
--- a/include/asm-sparc64/mdesc.h
+++ b/include/asm-sparc64/mdesc.h
@@ -2,38 +2,76 @@
 #define _SPARC64_MDESC_H
 
 #include <linux/types.h>
+#include <linux/cpumask.h>
 #include <asm/prom.h>
 
-struct mdesc_node;
-struct mdesc_arc {
-	const char		*name;
-	struct mdesc_node	*arc;
-};
+struct mdesc_handle;
+
+/* Machine description operations are to be surrounded by grab and
+ * release calls.  The mdesc_handle returned from the grab is
+ * the first argument to all of the operational calls that work
+ * on mdescs.
+ */
+extern struct mdesc_handle *mdesc_grab(void);
+extern void mdesc_release(struct mdesc_handle *);
+
+#define MDESC_NODE_NULL		(~(u64)0)
+
+extern u64 mdesc_node_by_name(struct mdesc_handle *handle,
+			      u64 from_node, const char *name);
+#define mdesc_for_each_node_by_name(__hdl, __node, __name) \
+	for (__node = mdesc_node_by_name(__hdl, MDESC_NODE_NULL, __name); \
+	     (__node) != MDESC_NODE_NULL; \
+	     __node = mdesc_node_by_name(__hdl, __node, __name))
+
+/* Access to property values returned from mdesc_get_property() are
+ * only valid inside of a mdesc_grab()/mdesc_release() sequence.
+ * Once mdesc_release() is called, the memory backed up by these
+ * pointers may reference freed up memory.
+ *
+ * Therefore callers must make copies of any property values
+ * they need.
+ *
+ * These same rules apply to mdesc_node_name().
+ */
+extern const void *mdesc_get_property(struct mdesc_handle *handle,
+				      u64 node, const char *name, int *lenp);
+extern const char *mdesc_node_name(struct mdesc_handle *hp, u64 node);
+
+/* MD arc iteration, the standard sequence is:
+ *
+ *	unsigned long arc;
+ *	mdesc_for_each_arc(arc, handle, node, MDESC_ARC_TYPE_{FWD,BACK}) {
+ *		unsigned long target = mdesc_arc_target(handle, arc);
+ *		...
+ *	}
+ */
 
-struct mdesc_node {
-	const char		*name;
-	u64			node;
-	unsigned int		unique_id;
-	unsigned int		num_arcs;
-	unsigned int		irqs[2];
-	struct property		*properties;
-	struct mdesc_node	*hash_next;
-	struct mdesc_node	*allnodes_next;
-	struct mdesc_arc	arcs[0];
+#define MDESC_ARC_TYPE_FWD	"fwd"
+#define MDESC_ARC_TYPE_BACK	"back"
+
+extern u64 mdesc_next_arc(struct mdesc_handle *handle, u64 from,
+			  const char *arc_type);
+#define mdesc_for_each_arc(__arc, __hdl, __node, __type) \
+	for (__arc = mdesc_next_arc(__hdl, __node, __type); \
+	     (__arc) != MDESC_NODE_NULL; \
+	     __arc = mdesc_next_arc(__hdl, __arc, __type))
+
+extern u64 mdesc_arc_target(struct mdesc_handle *hp, u64 arc);
+
+extern void mdesc_update(void);
+
+struct mdesc_notifier_client {
+	void (*add)(struct mdesc_handle *handle, u64 node);
+	void (*remove)(struct mdesc_handle *handle, u64 node);
+
+	const char			*node_name;
+	struct mdesc_notifier_client	*next;
 };
 
-extern struct mdesc_node *md_find_node_by_name(struct mdesc_node *from,
-					       const char *name);
-#define md_for_each_node_by_name(__mn, __name) \
-	for (__mn = md_find_node_by_name(NULL, __name); __mn; \
-	     __mn = md_find_node_by_name(__mn, __name))
-
-extern struct property *md_find_property(const struct mdesc_node *mp,
-					 const char *name,
-					 int *lenp);
-extern const void *md_get_property(const struct mdesc_node *mp,
-				   const char *name,
-				   int *lenp);
+extern void mdesc_register_notifier(struct mdesc_notifier_client *client);
+
+extern void mdesc_fill_in_cpu_data(cpumask_t mask);
 
 extern void sun4v_mdesc_init(void);
 
diff --git a/include/asm-sparc64/mmu_context.h b/include/asm-sparc64/mmu_context.h
index 8d129032013e..9fc225ed5500 100644
--- a/include/asm-sparc64/mmu_context.h
+++ b/include/asm-sparc64/mmu_context.h
@@ -76,6 +76,9 @@ static inline void switch_mm(struct mm_struct *old_mm, struct mm_struct *mm, str
 	unsigned long ctx_valid, flags;
 	int cpu;
 
+	if (unlikely(mm == &init_mm))
+		return;
+
 	spin_lock_irqsave(&mm->context.lock, flags);
 	ctx_valid = CTX_VALID(mm->context);
 	if (!ctx_valid)
diff --git a/include/asm-sparc64/of_device.h b/include/asm-sparc64/of_device.h
index 60e9173c9acb..46d69b3223c5 100644
--- a/include/asm-sparc64/of_device.h
+++ b/include/asm-sparc64/of_device.h
@@ -3,14 +3,9 @@
 #ifdef __KERNEL__
 
 #include <linux/device.h>
+#include <linux/of.h>
 #include <linux/mod_devicetable.h>
 #include <asm/openprom.h>
-#include <asm/prom.h>
-
-extern struct bus_type isa_bus_type;
-extern struct bus_type ebus_bus_type;
-extern struct bus_type sbus_bus_type;
-extern struct bus_type of_bus_type;
 
 /*
  * The of_device is a kind of "base class" that is a superset of
@@ -31,50 +26,13 @@ struct of_device
 	int				portid;
 	int				clock_freq;
 };
-#define	to_of_device(d) container_of(d, struct of_device, dev)
 
 extern void __iomem *of_ioremap(struct resource *res, unsigned long offset, unsigned long size, char *name);
 extern void of_iounmap(struct resource *res, void __iomem *base, unsigned long size);
 
-extern struct of_device *of_find_device_by_node(struct device_node *);
-
-extern const struct of_device_id *of_match_device(
-	const struct of_device_id *matches, const struct of_device *dev);
-
-extern struct of_device *of_dev_get(struct of_device *dev);
-extern void of_dev_put(struct of_device *dev);
-
-/*
- * An of_platform_driver driver is attached to a basic of_device on
- * the ISA, EBUS, and SBUS busses on sparc64.
- */
-struct of_platform_driver
-{
-	char			*name;
-	struct of_device_id	*match_table;
-	struct module		*owner;
-
-	int	(*probe)(struct of_device* dev, const struct of_device_id *match);
-	int	(*remove)(struct of_device* dev);
-
-	int	(*suspend)(struct of_device* dev, pm_message_t state);
-	int	(*resume)(struct of_device* dev);
-	int	(*shutdown)(struct of_device* dev);
-
-	struct device_driver	driver;
-};
-#define	to_of_platform_driver(drv) container_of(drv,struct of_platform_driver, driver)
-
-extern int of_register_driver(struct of_platform_driver *drv,
-			      struct bus_type *bus);
-extern void of_unregister_driver(struct of_platform_driver *drv);
-extern int of_device_register(struct of_device *ofdev);
-extern void of_device_unregister(struct of_device *ofdev);
-extern struct of_device *of_platform_device_create(struct device_node *np,
-						   const char *bus_id,
-						   struct device *parent,
-						   struct bus_type *bus);
-extern void of_release_dev(struct device *dev);
+/* These are just here during the transition */
+#include <linux/of_device.h>
+#include <linux/of_platform.h>
 
 #endif /* __KERNEL__ */
 #endif /* _ASM_SPARC64_OF_DEVICE_H */
diff --git a/include/asm-sparc64/of_platform.h b/include/asm-sparc64/of_platform.h
new file mode 100644
index 000000000000..f7c1f17c7d52
--- /dev/null
+++ b/include/asm-sparc64/of_platform.h
@@ -0,0 +1,33 @@
+#ifndef _ASM_SPARC64_OF_PLATFORM_H
+#define _ASM_SPARC64_OF_PLATFORM_H
+/*
+ *    Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
+ *			 <benh@kernel.crashing.org>
+ *    Modified for Sparc by merging parts of asm-sparc/of_device.h
+ *		by Stephen Rothwell
+ *
+ *  This program is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU General Public License
+ *  as published by the Free Software Foundation; either version
+ *  2 of the License, or (at your option) any later version.
+ *
+ */
+
+/* This is just here during the transition */
+#include <linux/of_platform.h>
+
+extern struct bus_type isa_bus_type;
+extern struct bus_type ebus_bus_type;
+extern struct bus_type sbus_bus_type;
+extern struct bus_type of_platform_bus_type;
+#define of_bus_type	of_platform_bus_type	/* for compatibility */
+
+extern int of_register_driver(struct of_platform_driver *drv,
+			      struct bus_type *bus);
+extern void of_unregister_driver(struct of_platform_driver *drv);
+extern struct of_device *of_platform_device_create(struct device_node *np,
+						   const char *bus_id,
+						   struct device *parent,
+						   struct bus_type *bus);
+
+#endif	/* _ASM_SPARC64_OF_PLATFORM_H */
diff --git a/include/asm-sparc64/oplib.h b/include/asm-sparc64/oplib.h
index 992f9f7a476c..3f23c5dc5f21 100644
--- a/include/asm-sparc64/oplib.h
+++ b/include/asm-sparc64/oplib.h
@@ -140,32 +140,6 @@ extern void prom_putchar(char character);
 extern void prom_printf(const char *fmt, ...);
 extern void prom_write(const char *buf, unsigned int len);
 
-/* Query for input device type */
-
-enum prom_input_device {
-	PROMDEV_IKBD,			/* input from keyboard */
-	PROMDEV_ITTYA,			/* input from ttya */
-	PROMDEV_ITTYB,			/* input from ttyb */
-	PROMDEV_IRSC,			/* input from rsc */
-	PROMDEV_IVCONS,			/* input from virtual-console */
-	PROMDEV_I_UNK,
-};
-
-extern enum prom_input_device prom_query_input_device(void);
-
-/* Query for output device type */
-
-enum prom_output_device {
-	PROMDEV_OSCREEN,		/* to screen */
-	PROMDEV_OTTYA,			/* to ttya */
-	PROMDEV_OTTYB,			/* to ttyb */
-	PROMDEV_ORSC,			/* to rsc */
-	PROMDEV_OVCONS,			/* to virtual-console */
-	PROMDEV_O_UNK,
-};
-
-extern enum prom_output_device prom_query_output_device(void);
-
 /* Multiprocessor operations... */
 #ifdef CONFIG_SMP
 /* Start the CPU with the given device tree node at the passed program
@@ -319,6 +293,8 @@ extern int prom_inst2pkg(int);
 extern int prom_service_exists(const char *service_name);
 extern void prom_sun4v_guest_soft_state(void);
 
+extern int prom_ihandle2path(int handle, char *buffer, int bufsize);
+
 /* Client interface level routines. */
 extern void prom_set_trap_table(unsigned long tba);
 extern void prom_set_trap_table_sun4v(unsigned long tba, unsigned long mmfsa);
diff --git a/include/asm-sparc64/parport.h b/include/asm-sparc64/parport.h
index 23cc63f049a8..600afe5ae2e3 100644
--- a/include/asm-sparc64/parport.h
+++ b/include/asm-sparc64/parport.h
@@ -8,8 +8,9 @@
 #define _ASM_SPARC64_PARPORT_H 1
 
 #include <asm/ebus.h>
-#include <asm/isa.h>
 #include <asm/ns87303.h>
+#include <asm/of_device.h>
+#include <asm/prom.h>
 
 #define PARPORT_PC_MAX_PORTS	PARPORT_MAX
 
@@ -35,8 +36,12 @@ static struct sparc_ebus_info {
 	unsigned int addr;
 	unsigned int count;
 	int lock;
+
+	struct parport *port;
 } sparc_ebus_dmas[PARPORT_PC_MAX_PORTS];
 
+static DECLARE_BITMAP(dma_slot_map, PARPORT_PC_MAX_PORTS);
+
 static __inline__ int request_dma(unsigned int dmanr, const char *device_id)
 {
 	if (dmanr >= PARPORT_PC_MAX_PORTS)
@@ -98,117 +103,145 @@ static __inline__ unsigned int get_dma_residue(unsigned int dmanr)
 	return ebus_dma_residue(&sparc_ebus_dmas[dmanr].info);
 }
 
-static int ebus_ecpp_p(struct linux_ebus_device *edev)
+static int __devinit ecpp_probe(struct of_device *op, const struct of_device_id *match)
 {
-	if (!strcmp(edev->prom_node->name, "ecpp"))
-		return 1;
-	if (!strcmp(edev->prom_node->name, "parallel")) {
-		const char *compat;
-
-		compat = of_get_property(edev->prom_node,
-					 "compatible", NULL);
-		if (compat &&
-		    (!strcmp(compat, "ecpp") ||
-		     !strcmp(compat, "ns87317-ecpp") ||
-		     !strcmp(compat + 13, "ecpp")))
-			return 1;
+	unsigned long base = op->resource[0].start;
+	unsigned long config = op->resource[1].start;
+	unsigned long d_base = op->resource[2].start;
+	unsigned long d_len;
+	struct device_node *parent;
+	struct parport *p;
+	int slot, err;
+
+	parent = op->node->parent;
+	if (!strcmp(parent->name, "dma")) {
+		p = parport_pc_probe_port(base, base + 0x400,
+					  op->irqs[0], PARPORT_DMA_NOFIFO,
+					  op->dev.parent);
+		if (!p)
+			return -ENOMEM;
+		dev_set_drvdata(&op->dev, p);
+		return 0;
 	}
+
+	for (slot = 0; slot < PARPORT_PC_MAX_PORTS; slot++) {
+		if (!test_and_set_bit(slot, dma_slot_map))
+			break;
+	}
+	err = -ENODEV;
+	if (slot >= PARPORT_PC_MAX_PORTS)
+		goto out_err;
+
+	spin_lock_init(&sparc_ebus_dmas[slot].info.lock);
+
+	d_len = (op->resource[2].end - d_base) + 1UL;
+	sparc_ebus_dmas[slot].info.regs =
+		of_ioremap(&op->resource[2], 0, d_len, "ECPP DMA");
+
+	if (!sparc_ebus_dmas[slot].info.regs)
+		goto out_clear_map;
+
+	sparc_ebus_dmas[slot].info.flags = 0;
+	sparc_ebus_dmas[slot].info.callback = NULL;
+	sparc_ebus_dmas[slot].info.client_cookie = NULL;
+	sparc_ebus_dmas[slot].info.irq = 0xdeadbeef;
+	strcpy(sparc_ebus_dmas[slot].info.name, "parport");
+	if (ebus_dma_register(&sparc_ebus_dmas[slot].info))
+		goto out_unmap_regs;
+
+	ebus_dma_irq_enable(&sparc_ebus_dmas[slot].info, 1);
+
+	/* Configure IRQ to Push Pull, Level Low */
+	/* Enable ECP, set bit 2 of the CTR first */
+	outb(0x04, base + 0x02);
+	ns87303_modify(config, PCR,
+		       PCR_EPP_ENABLE |
+		       PCR_IRQ_ODRAIN,
+		       PCR_ECP_ENABLE |
+		       PCR_ECP_CLK_ENA |
+		       PCR_IRQ_POLAR);
+
+	/* CTR bit 5 controls direction of port */
+	ns87303_modify(config, PTR,
+		       0, PTR_LPT_REG_DIR);
+
+	p = parport_pc_probe_port(base, base + 0x400,
+				  op->irqs[0],
+				  slot,
+				  op->dev.parent);
+	err = -ENOMEM;
+	if (!p)
+		goto out_disable_irq;
+
+	dev_set_drvdata(&op->dev, p);
+
 	return 0;
+
+out_disable_irq:
+	ebus_dma_irq_enable(&sparc_ebus_dmas[slot].info, 0);
+	ebus_dma_unregister(&sparc_ebus_dmas[slot].info);
+
+out_unmap_regs:
+	of_iounmap(&op->resource[2], sparc_ebus_dmas[slot].info.regs, d_len);
+
+out_clear_map:
+	clear_bit(slot, dma_slot_map);
+
+out_err:
+	return err;
 }
 
-static int parport_isa_probe(int count)
+static int __devexit ecpp_remove(struct of_device *op)
 {
-	struct sparc_isa_bridge *isa_br;
-	struct sparc_isa_device *isa_dev;
-
-	for_each_isa(isa_br) {
-		for_each_isadev(isa_dev, isa_br) {
-			struct sparc_isa_device *child;
-			unsigned long base;
-
-			if (strcmp(isa_dev->prom_node->name, "dma"))
-				continue;
-
-			child = isa_dev->child;
-			while (child) {
-				if (!strcmp(child->prom_node->name, "parallel"))
-					break;
-				child = child->next;
-			}
-			if (!child)
-				continue;
-
-			base = child->resource.start;
-
-			/* No DMA, see commentary in
-			 * asm-sparc64/floppy.h:isa_floppy_init()
-			 */
-			if (parport_pc_probe_port(base, base + 0x400,
-						  child->irq, PARPORT_DMA_NOFIFO,
-						  &child->bus->self->dev))
-				count++;
-		}
+	struct parport *p = dev_get_drvdata(&op->dev);
+	int slot = p->dma;
+
+	parport_pc_unregister_port(p);
+
+	if (slot != PARPORT_DMA_NOFIFO) {
+		unsigned long d_base = op->resource[2].start;
+		unsigned long d_len;
+
+		d_len = (op->resource[2].end - d_base) + 1UL;
+
+		ebus_dma_irq_enable(&sparc_ebus_dmas[slot].info, 0);
+		ebus_dma_unregister(&sparc_ebus_dmas[slot].info);
+		of_iounmap(&op->resource[2],
+			   sparc_ebus_dmas[slot].info.regs,
+			   d_len);
+		clear_bit(slot, dma_slot_map);
 	}
 
-	return count;
+	return 0;
 }
 
-static int parport_pc_find_nonpci_ports (int autoirq, int autodma)
+static struct of_device_id ecpp_match[] = {
+	{
+		.name = "ecpp",
+	},
+	{
+		.name = "parallel",
+		.compatible = "ecpp",
+	},
+	{
+		.name = "parallel",
+		.compatible = "ns87317-ecpp",
+	},
+	{},
+};
+
+static struct of_platform_driver ecpp_driver = {
+	.name			= "ecpp",
+	.match_table		= ecpp_match,
+	.probe			= ecpp_probe,
+	.remove			= __devexit_p(ecpp_remove),
+};
+
+static int parport_pc_find_nonpci_ports(int autoirq, int autodma)
 {
-	struct linux_ebus *ebus;
-	struct linux_ebus_device *edev;
-	int count = 0;
-
-	for_each_ebus(ebus) {
-		for_each_ebusdev(edev, ebus) {
-			if (ebus_ecpp_p(edev)) {
-				unsigned long base = edev->resource[0].start;
-				unsigned long config = edev->resource[1].start;
-				unsigned long d_base = edev->resource[2].start;
-				unsigned long d_len;
-
-				spin_lock_init(&sparc_ebus_dmas[count].info.lock);
-				d_len = (edev->resource[2].end -
-					 d_base) + 1;
-				sparc_ebus_dmas[count].info.regs =
-					ioremap(d_base, d_len);
-				if (!sparc_ebus_dmas[count].info.regs)
-					continue;
-				sparc_ebus_dmas[count].info.flags = 0;
-				sparc_ebus_dmas[count].info.callback = NULL;
-				sparc_ebus_dmas[count].info.client_cookie = NULL;
-				sparc_ebus_dmas[count].info.irq = 0xdeadbeef;
-				strcpy(sparc_ebus_dmas[count].info.name, "parport");
-				if (ebus_dma_register(&sparc_ebus_dmas[count].info))
-					continue;
-				ebus_dma_irq_enable(&sparc_ebus_dmas[count].info, 1);
-
-				/* Configure IRQ to Push Pull, Level Low */
-				/* Enable ECP, set bit 2 of the CTR first */
-				outb(0x04, base + 0x02);
-				ns87303_modify(config, PCR,
-					       PCR_EPP_ENABLE |
-					       PCR_IRQ_ODRAIN,
-					       PCR_ECP_ENABLE |
-					       PCR_ECP_CLK_ENA |
-					       PCR_IRQ_POLAR);
-
-				/* CTR bit 5 controls direction of port */
-				ns87303_modify(config, PTR,
-					       0, PTR_LPT_REG_DIR);
-
-				if (parport_pc_probe_port(base, base + 0x400,
-							  edev->irqs[0],
-							  count,
-							  &ebus->self->dev))
-					count++;
-			}
-		}
-	}
+	of_register_driver(&ecpp_driver, &of_bus_type);
 
-	count = parport_isa_probe(count);
-
-	return count;
+	return 0;
 }
 
 #endif /* !(_ASM_SPARC64_PARPORT_H */
diff --git a/include/asm-sparc64/pci.h b/include/asm-sparc64/pci.h
index 47cea16e1bad..e11ac100f043 100644
--- a/include/asm-sparc64/pci.h
+++ b/include/asm-sparc64/pci.h
@@ -206,49 +206,6 @@ extern int pci_dma_supported(struct pci_dev *hwdev, u64 mask);
 #define PCI64_REQUIRED_MASK	(~(dma64_addr_t)0)
 #define PCI64_ADDR_BASE		0xfffc000000000000UL
 
-/* Usage of the pci_dac_foo interfaces is only valid if this
- * test passes.
- */
-#define pci_dac_dma_supported(pci_dev, mask) \
-	((((mask) & PCI64_REQUIRED_MASK) == PCI64_REQUIRED_MASK) ? 1 : 0)
-
-static inline dma64_addr_t
-pci_dac_page_to_dma(struct pci_dev *pdev, struct page *page, unsigned long offset, int direction)
-{
-	return (PCI64_ADDR_BASE +
-		__pa(page_address(page)) + offset);
-}
-
-static inline struct page *
-pci_dac_dma_to_page(struct pci_dev *pdev, dma64_addr_t dma_addr)
-{
-	unsigned long paddr = (dma_addr & PAGE_MASK) - PCI64_ADDR_BASE;
-
-	return virt_to_page(__va(paddr));
-}
-
-static inline unsigned long
-pci_dac_dma_to_offset(struct pci_dev *pdev, dma64_addr_t dma_addr)
-{
-	return (dma_addr & ~PAGE_MASK);
-}
-
-static inline void
-pci_dac_dma_sync_single_for_cpu(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction)
-{
-	/* DAC cycle addressing does not make use of the
-	 * PCI controller's streaming cache, so nothing to do.
-	 */
-}
-
-static inline void
-pci_dac_dma_sync_single_for_device(struct pci_dev *pdev, dma64_addr_t dma_addr, size_t len, int direction)
-{
-	/* DAC cycle addressing does not make use of the
-	 * PCI controller's streaming cache, so nothing to do.
-	 */
-}
-
 #define PCI_DMA_ERROR_CODE	(~(dma_addr_t)0x0)
 
 static inline int pci_dma_mapping_error(dma_addr_t dma_addr)
@@ -303,10 +260,6 @@ pcibios_bus_to_resource(struct pci_dev *dev, struct resource *res,
 
 extern struct resource *pcibios_select_root(struct pci_dev *, struct resource *);
 
-static inline void pcibios_add_platform_entries(struct pci_dev *dev)
-{
-}
-
 static inline int pci_get_legacy_ide_irq(struct pci_dev *dev, int channel)
 {
 	return PCI_IRQ_NONE;
diff --git a/include/asm-sparc64/percpu.h b/include/asm-sparc64/percpu.h
index 88db872ce2f8..caf8750792ff 100644
--- a/include/asm-sparc64/percpu.h
+++ b/include/asm-sparc64/percpu.h
@@ -18,6 +18,11 @@ extern unsigned long __per_cpu_shift;
 #define DEFINE_PER_CPU(type, name) \
     __attribute__((__section__(".data.percpu"))) __typeof__(type) per_cpu__##name
 
+#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name)		\
+    __attribute__((__section__(".data.percpu.shared_aligned"))) \
+    __typeof__(type) per_cpu__##name				\
+    ____cacheline_aligned_in_smp
+
 register unsigned long __local_per_cpu_offset asm("g5");
 
 /* var is in discarded region: offset to particular copy we want */
@@ -38,6 +43,8 @@ do {								\
 #define real_setup_per_cpu_areas()		do { } while (0)
 #define DEFINE_PER_CPU(type, name) \
     __typeof__(type) per_cpu__##name
+#define DEFINE_PER_CPU_SHARED_ALIGNED(type, name)	\
+    DEFINE_PER_CPU(type, name)
 
 #define per_cpu(var, cpu)			(*((void)cpu, &per_cpu__##var))
 #define __get_cpu_var(var)			per_cpu__##var
diff --git a/include/asm-sparc64/pgtable.h b/include/asm-sparc64/pgtable.h
index 9e80ad43b29c..0393380d754a 100644
--- a/include/asm-sparc64/pgtable.h
+++ b/include/asm-sparc64/pgtable.h
@@ -573,24 +573,6 @@ static inline unsigned long pte_exec(pte_t pte)
 	return (pte_val(pte) & mask);
 }
 
-static inline unsigned long pte_read(pte_t pte)
-{
-	unsigned long mask;
-
-	__asm__ __volatile__(
-	"\n661:	mov		%1, %0\n"
-	"	nop\n"
-	"	.section	.sun4v_2insn_patch, \"ax\"\n"
-	"	.word		661b\n"
-	"	sethi		%%uhi(%2), %0\n"
-	"	sllx		%0, 32, %0\n"
-	"	.previous\n"
-	: "=r" (mask)
-	: "i" (_PAGE_READ_4U), "i" (_PAGE_READ_4V));
-
-	return (pte_val(pte) & mask);
-}
-
 static inline unsigned long pte_file(pte_t pte)
 {
 	unsigned long val = pte_val(pte);
diff --git a/include/asm-sparc64/prom.h b/include/asm-sparc64/prom.h
index b4df3042add0..31dcb92fbae0 100644
--- a/include/asm-sparc64/prom.h
+++ b/include/asm-sparc64/prom.h
@@ -2,7 +2,6 @@
 #define _SPARC64_PROM_H
 #ifdef __KERNEL__
 
-
 /*
  * Definitions for talking to the Open Firmware PROM on
  * Power Macintosh computers.
@@ -17,11 +16,17 @@
  * as published by the Free Software Foundation; either version
  * 2 of the License, or (at your option) any later version.
  */
-
 #include <linux/types.h>
 #include <linux/proc_fs.h>
 #include <asm/atomic.h>
 
+#define OF_ROOT_NODE_ADDR_CELLS_DEFAULT	2
+#define OF_ROOT_NODE_SIZE_CELLS_DEFAULT	1
+
+#define of_compat_cmp(s1, s2, l)	strncmp((s1), (s2), (l))
+#define of_prop_cmp(s1, s2)		strcasecmp((s1), (s2))
+#define of_node_cmp(s1, s2)		strcmp((s1), (s2))
+
 typedef u32 phandle;
 typedef u32 ihandle;
 
@@ -63,54 +68,35 @@ struct of_irq_controller {
 	void		*data;
 };
 
-/* flag descriptions */
-#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */
-
 #define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
 #define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
 
-#define OF_BAD_ADDR	((u64)-1)
-
-static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de)
-{
-	dn->pde = de;
-}
-
-extern struct device_node *of_find_node_by_name(struct device_node *from,
-	const char *name);
-#define for_each_node_by_name(dn, name) \
-	for (dn = of_find_node_by_name(NULL, name); dn; \
-	     dn = of_find_node_by_name(dn, name))
-extern struct device_node *of_find_node_by_type(struct device_node *from,
-	const char *type);
-#define for_each_node_by_type(dn, type) \
-	for (dn = of_find_node_by_type(NULL, type); dn; \
-	     dn = of_find_node_by_type(dn, type))
-extern struct device_node *of_find_compatible_node(struct device_node *from,
-	const char *type, const char *compat);
-extern struct device_node *of_find_node_by_path(const char *path);
-extern struct device_node *of_find_node_by_phandle(phandle handle);
 extern struct device_node *of_find_node_by_cpuid(int cpuid);
-extern struct device_node *of_get_parent(const struct device_node *node);
-extern struct device_node *of_get_next_child(const struct device_node *node,
-					     struct device_node *prev);
-extern struct property *of_find_property(const struct device_node *np,
-					 const char *name,
-					 int *lenp);
-extern int of_device_is_compatible(const struct device_node *device,
-				   const char *);
-extern const void *of_get_property(const struct device_node *node,
-			     const char *name,
-			     int *lenp);
-#define get_property(node,name,lenp) of_get_property(node,name,lenp)
 extern int of_set_property(struct device_node *node, const char *name, void *val, int len);
 extern int of_getintprop_default(struct device_node *np,
 				 const char *name,
 				 int def);
-extern int of_n_addr_cells(struct device_node *np);
-extern int of_n_size_cells(struct device_node *np);
 
 extern void prom_build_devicetree(void);
 
+/* Dummy ref counting routines - to be implemented later */
+static inline struct device_node *of_node_get(struct device_node *node)
+{
+	return node;
+}
+static inline void of_node_put(struct device_node *node)
+{
+}
+
+/*
+ * NB:  This is here while we transition from using asm/prom.h
+ * to linux/of.h
+ */
+#include <linux/of.h>
+
+extern struct device_node *of_console_device;
+extern char *of_console_path;
+extern char *of_console_options;
+
 #endif /* __KERNEL__ */
 #endif /* _SPARC64_PROM_H */
diff --git a/include/asm-sparc64/smp.h b/include/asm-sparc64/smp.h
index 4fb8c4bfb848..e8a96a31761b 100644
--- a/include/asm-sparc64/smp.h
+++ b/include/asm-sparc64/smp.h
@@ -29,9 +29,6 @@
 #include <asm/bitops.h>
 #include <asm/atomic.h>
 
-extern cpumask_t phys_cpu_present_map;
-#define cpu_possible_map phys_cpu_present_map
-
 extern cpumask_t cpu_sibling_map[NR_CPUS];
 extern cpumask_t cpu_core_map[NR_CPUS];
 extern int sparc64_multi_core;
@@ -44,7 +41,12 @@ extern int hard_smp_processor_id(void);
 #define raw_smp_processor_id() (current_thread_info()->cpu)
 
 extern void smp_fill_in_sib_core_maps(void);
-extern unsigned char boot_cpu_id;
+extern void cpu_play_dead(void);
+
+#ifdef CONFIG_HOTPLUG_CPU
+extern int __cpu_disable(void);
+extern void __cpu_die(unsigned int cpu);
+#endif
 
 #endif /* !(__ASSEMBLY__) */
 
@@ -52,7 +54,6 @@ extern unsigned char boot_cpu_id;
 
 #define hard_smp_processor_id()		0
 #define smp_fill_in_sib_core_maps() do { } while (0)
-#define boot_cpu_id	(0)
 
 #endif /* !(CONFIG_SMP) */
 
diff --git a/include/asm-sparc64/system.h b/include/asm-sparc64/system.h
index 8ba380ec6daa..64891cb10f05 100644
--- a/include/asm-sparc64/system.h
+++ b/include/asm-sparc64/system.h
@@ -115,14 +115,8 @@ do {	__asm__ __volatile__("ba,pt	%%xcc, 1f\n\t" \
 #ifndef __ASSEMBLY__
 
 extern void sun_do_break(void);
-extern int serial_console;
 extern int stop_a_enabled;
 
-static __inline__ int con_is_present(void)
-{
-	return serial_console ? 0 : 1;
-}
-
 extern void synchronize_user_stack(void);
 
 extern void __flushw_user(void);
@@ -204,16 +198,6 @@ do {	if (test_thread_flag(TIF_PERFCTR)) {				\
 	}								\
 } while(0)
 
-/*
- * On SMP systems, when the scheduler does migration-cost autodetection,
- * it needs a way to flush as much of the CPU's caches as possible.
- *
- * TODO: fill this in!
- */
-static inline void sched_cacheflush(void)
-{
-}
-
 static inline unsigned long xchg32(__volatile__ unsigned int *m, unsigned int val)
 {
 	unsigned long tmp1, tmp2;
diff --git a/include/asm-sparc64/unistd.h b/include/asm-sparc64/unistd.h
index 53e96ed9c024..cb751b4d0f56 100644
--- a/include/asm-sparc64/unistd.h
+++ b/include/asm-sparc64/unistd.h
@@ -1,4 +1,3 @@
-/* $Id: unistd.h,v 1.50 2002/02/08 03:57:18 davem Exp $ */
 #ifndef _SPARC64_UNISTD_H
 #define _SPARC64_UNISTD_H
 
@@ -9,7 +8,7 @@
  * think of right now to force the arguments into fixed registers
  * before the trap into the system call with gcc 'asm' statements.
  *
- * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
+ * Copyright (C) 1995, 2007 David S. Miller (davem@davemloft.net)
  *
  * SunOS compatibility based upon preliminary work which is:
  *
@@ -332,8 +331,9 @@
 #define __NR_signalfd		311
 #define __NR_timerfd		312
 #define __NR_eventfd		313
+#define __NR_fallocate		314
 
-#define NR_SYSCALLS		314
+#define NR_SYSCALLS		315
 
 #ifdef __KERNEL__
 /* sysconf options, for SunOS compatibility */
diff --git a/include/asm-sparc64/vio.h b/include/asm-sparc64/vio.h
new file mode 100644
index 000000000000..f7417e91b170
--- /dev/null
+++ b/include/asm-sparc64/vio.h
@@ -0,0 +1,406 @@
+#ifndef _SPARC64_VIO_H
+#define _SPARC64_VIO_H
+
+#include <linux/kernel.h>
+#include <linux/device.h>
+#include <linux/mod_devicetable.h>
+#include <linux/timer.h>
+#include <linux/spinlock.h>
+#include <linux/completion.h>
+#include <linux/list.h>
+
+#include <asm/ldc.h>
+#include <asm/mdesc.h>
+
+struct vio_msg_tag {
+	u8			type;
+#define VIO_TYPE_CTRL		0x01
+#define VIO_TYPE_DATA		0x02
+#define VIO_TYPE_ERR		0x04
+
+	u8			stype;
+#define VIO_SUBTYPE_INFO	0x01
+#define VIO_SUBTYPE_ACK		0x02
+#define VIO_SUBTYPE_NACK	0x04
+
+	u16			stype_env;
+#define VIO_VER_INFO		0x0001
+#define VIO_ATTR_INFO		0x0002
+#define VIO_DRING_REG		0x0003
+#define VIO_DRING_UNREG		0x0004
+#define VIO_RDX			0x0005
+#define VIO_PKT_DATA		0x0040
+#define VIO_DESC_DATA		0x0041
+#define VIO_DRING_DATA		0x0042
+#define VNET_MCAST_INFO		0x0101
+
+	u32		sid;
+};
+
+struct vio_rdx {
+	struct vio_msg_tag	tag;
+	u64			resv[6];
+};
+
+struct vio_ver_info {
+	struct vio_msg_tag	tag;
+	u16			major;
+	u16			minor;
+	u8			dev_class;
+#define VDEV_NETWORK		0x01
+#define VDEV_NETWORK_SWITCH	0x02
+#define VDEV_DISK		0x03
+#define VDEV_DISK_SERVER	0x04
+
+	u8			resv1[3];
+	u64			resv2[5];
+};
+
+struct vio_dring_register {
+	struct vio_msg_tag	tag;
+	u64			dring_ident;
+	u32			num_descr;
+	u32			descr_size;
+	u16			options;
+#define VIO_TX_DRING		0x0001
+#define VIO_RX_DRING		0x0002
+	u16			resv;
+	u32			num_cookies;
+	struct ldc_trans_cookie	cookies[0];
+};
+
+struct vio_dring_unregister {
+	struct vio_msg_tag	tag;
+	u64			dring_ident;
+	u64			resv[5];
+};
+
+/* Data transfer modes */
+#define VIO_PKT_MODE		0x01 /* Packet based transfer	*/
+#define VIO_DESC_MODE		0x02 /* In-band descriptors	*/
+#define VIO_DRING_MODE		0x03 /* Descriptor rings	*/
+
+struct vio_dring_data {
+	struct vio_msg_tag	tag;
+	u64			seq;
+	u64			dring_ident;
+	u32			start_idx;
+	u32			end_idx;
+	u8			state;
+#define VIO_DRING_ACTIVE	0x01
+#define VIO_DRING_STOPPED	0x02
+
+	u8			__pad1;
+	u16			__pad2;
+	u32			__pad3;
+	u64			__par4[2];
+};
+
+struct vio_dring_hdr {
+	u8			state;
+#define VIO_DESC_FREE		0x01
+#define VIO_DESC_READY		0x02
+#define VIO_DESC_ACCEPTED	0x03
+#define VIO_DESC_DONE		0x04
+	u8			ack;
+#define VIO_ACK_ENABLE		0x01
+#define VIO_ACK_DISABLE		0x00
+
+	u16			__pad1;
+	u32			__pad2;
+};
+
+/* VIO disk specific structures and defines */
+struct vio_disk_attr_info {
+	struct vio_msg_tag	tag;
+	u8			xfer_mode;
+	u8			vdisk_type;
+#define VD_DISK_TYPE_SLICE	0x01 /* Slice in block device	*/
+#define VD_DISK_TYPE_DISK	0x02 /* Entire block device	*/
+	u16			resv1;
+	u32			vdisk_block_size;
+	u64			operations;
+	u64			vdisk_size;
+	u64			max_xfer_size;
+	u64			resv2[2];
+};
+
+struct vio_disk_desc {
+	struct vio_dring_hdr	hdr;
+	u64			req_id;
+	u8			operation;
+#define VD_OP_BREAD		0x01 /* Block read			*/
+#define VD_OP_BWRITE		0x02 /* Block write			*/
+#define VD_OP_FLUSH		0x03 /* Flush disk contents		*/
+#define VD_OP_GET_WCE		0x04 /* Get write-cache status		*/
+#define VD_OP_SET_WCE		0x05 /* Enable/disable write-cache	*/
+#define VD_OP_GET_VTOC		0x06 /* Get VTOC			*/
+#define VD_OP_SET_VTOC		0x07 /* Set VTOC			*/
+#define VD_OP_GET_DISKGEOM	0x08 /* Get disk geometry		*/
+#define VD_OP_SET_DISKGEOM	0x09 /* Set disk geometry		*/
+#define VD_OP_SCSICMD		0x0a /* SCSI control command		*/
+#define VD_OP_GET_DEVID		0x0b /* Get device ID			*/
+#define VD_OP_GET_EFI		0x0c /* Get EFI				*/
+#define VD_OP_SET_EFI		0x0d /* Set EFI				*/
+	u8			slice;
+	u16			resv1;
+	u32			status;
+	u64			offset;
+	u64			size;
+	u32			ncookies;
+	u32			resv2;
+	struct ldc_trans_cookie	cookies[0];
+};
+
+#define VIO_DISK_VNAME_LEN	8
+#define VIO_DISK_ALABEL_LEN	128
+#define VIO_DISK_NUM_PART	8
+
+struct vio_disk_vtoc {
+	u8			volume_name[VIO_DISK_VNAME_LEN];
+	u16			sector_size;
+	u16			num_partitions;
+	u8			ascii_label[VIO_DISK_ALABEL_LEN];
+	struct {
+		u16		id;
+		u16		perm_flags;
+		u32		resv;
+		u64		start_block;
+		u64		num_blocks;
+	} partitions[VIO_DISK_NUM_PART];
+};
+
+struct vio_disk_geom {
+	u16			num_cyl; /* Num data cylinders		*/
+	u16			alt_cyl; /* Num alternate cylinders	*/
+	u16			beg_cyl; /* Cyl off of fixed head area	*/
+	u16			num_hd;  /* Num heads			*/
+	u16			num_sec; /* Num sectors			*/
+	u16			ifact;   /* Interleave factor		*/
+	u16			apc;     /* Alts per cylinder (SCSI)	*/
+	u16			rpm;	 /* Revolutions per minute	*/
+	u16			phy_cyl; /* Num physical cylinders	*/
+	u16			wr_skip; /* Num sects to skip, writes	*/
+	u16			rd_skip; /* Num sects to skip, writes	*/
+};
+
+struct vio_disk_devid {
+	u16			resv;
+	u16			type;
+	u32			len;
+	char			id[0];
+};
+
+struct vio_disk_efi {
+	u64			lba;
+	u64			len;
+	char			data[0];
+};
+
+/* VIO net specific structures and defines */
+struct vio_net_attr_info {
+	struct vio_msg_tag	tag;
+	u8			xfer_mode;
+	u8			addr_type;
+#define VNET_ADDR_ETHERMAC	0x01
+	u16			ack_freq;
+	u32			resv1;
+	u64			addr;
+	u64			mtu;
+	u64			resv2[3];
+};
+
+#define VNET_NUM_MCAST		7
+
+struct vio_net_mcast_info {
+	struct vio_msg_tag	tag;
+	u8			set;
+	u8			count;
+	u8			mcast_addr[VNET_NUM_MCAST * 6];
+	u32			resv;
+};
+
+struct vio_net_desc {
+	struct vio_dring_hdr	hdr;
+	u32			size;
+	u32			ncookies;
+	struct ldc_trans_cookie	cookies[0];
+};
+
+#define VIO_MAX_RING_COOKIES	24
+
+struct vio_dring_state {
+	u64			ident;
+	void			*base;
+	u64			snd_nxt;
+	u64			rcv_nxt;
+	u32			entry_size;
+	u32			num_entries;
+	u32			prod;
+	u32			cons;
+	u32			pending;
+	int			ncookies;
+	struct ldc_trans_cookie	cookies[VIO_MAX_RING_COOKIES];
+};
+
+static inline void *vio_dring_cur(struct vio_dring_state *dr)
+{
+	return dr->base + (dr->entry_size * dr->prod);
+}
+
+static inline void *vio_dring_entry(struct vio_dring_state *dr,
+				    unsigned int index)
+{
+	return dr->base + (dr->entry_size * index);
+}
+
+static inline u32 vio_dring_avail(struct vio_dring_state *dr,
+				  unsigned int ring_size)
+{
+	/* Ensure build-time power-of-2.  */
+	BUILD_BUG_ON(ring_size & (ring_size - 1));
+
+	return (dr->pending -
+		((dr->prod - dr->cons) & (ring_size - 1)));
+}
+
+#define VIO_MAX_TYPE_LEN	32
+#define VIO_MAX_COMPAT_LEN	64
+
+struct vio_dev {
+	u64			mp;
+	struct device_node	*dp;
+
+	char			type[VIO_MAX_TYPE_LEN];
+	char			compat[VIO_MAX_COMPAT_LEN];
+	int			compat_len;
+
+	u64			dev_no;
+
+	unsigned long		channel_id;
+
+	unsigned int		tx_irq;
+	unsigned int		rx_irq;
+
+	struct device		dev;
+};
+
+struct vio_driver {
+	struct list_head		node;
+	const struct vio_device_id	*id_table;
+	int (*probe)(struct vio_dev *dev, const struct vio_device_id *id);
+	int (*remove)(struct vio_dev *dev);
+	void (*shutdown)(struct vio_dev *dev);
+	unsigned long			driver_data;
+	struct device_driver		driver;
+};
+
+struct vio_version {
+	u16		major;
+	u16		minor;
+};
+
+struct vio_driver_state;
+struct vio_driver_ops {
+	int	(*send_attr)(struct vio_driver_state *vio);
+	int	(*handle_attr)(struct vio_driver_state *vio, void *pkt);
+	void	(*handshake_complete)(struct vio_driver_state *vio);
+};
+
+struct vio_completion {
+	struct completion	com;
+	int			err;
+	int			waiting_for;
+};
+
+struct vio_driver_state {
+	/* Protects VIO handshake and, optionally, driver private state.  */
+	spinlock_t		lock;
+
+	struct ldc_channel	*lp;
+
+	u32			_peer_sid;
+	u32			_local_sid;
+	struct vio_dring_state	drings[2];
+#define VIO_DRIVER_TX_RING	0
+#define VIO_DRIVER_RX_RING	1
+
+	u8			hs_state;
+#define VIO_HS_INVALID		0x00
+#define VIO_HS_GOTVERS		0x01
+#define VIO_HS_GOT_ATTR		0x04
+#define VIO_HS_SENT_DREG	0x08
+#define VIO_HS_SENT_RDX		0x10
+#define VIO_HS_GOT_RDX_ACK	0x20
+#define VIO_HS_GOT_RDX		0x40
+#define VIO_HS_SENT_RDX_ACK	0x80
+#define VIO_HS_COMPLETE		(VIO_HS_GOT_RDX_ACK | VIO_HS_SENT_RDX_ACK)
+
+	u8			dev_class;
+
+	u8			dr_state;
+#define VIO_DR_STATE_TXREG	0x01
+#define VIO_DR_STATE_RXREG	0x02
+#define VIO_DR_STATE_TXREQ	0x10
+#define VIO_DR_STATE_RXREQ	0x20
+
+	u8			debug;
+#define VIO_DEBUG_HS		0x01
+#define VIO_DEBUG_DATA		0x02
+
+	void			*desc_buf;
+	unsigned int		desc_buf_len;
+
+	struct vio_completion	*cmp;
+
+	struct vio_dev		*vdev;
+
+	struct timer_list	timer;
+
+	struct vio_version	ver;
+
+	struct vio_version	*ver_table;
+	int			ver_table_entries;
+
+	char			*name;
+
+	struct vio_driver_ops	*ops;
+};
+
+#define viodbg(TYPE, f, a...) \
+do {	if (vio->debug & VIO_DEBUG_##TYPE) \
+		printk(KERN_INFO "vio: ID[%lu] " f, \
+		       vio->vdev->channel_id, ## a); \
+} while (0)
+
+extern int vio_register_driver(struct vio_driver *drv);
+extern void vio_unregister_driver(struct vio_driver *drv);
+
+static inline struct vio_driver *to_vio_driver(struct device_driver *drv)
+{
+	return container_of(drv, struct vio_driver, driver);
+}
+
+static inline struct vio_dev *to_vio_dev(struct device *dev)
+{
+	return container_of(dev, struct vio_dev, dev);
+}
+
+extern int vio_ldc_send(struct vio_driver_state *vio, void *data, int len);
+extern void vio_link_state_change(struct vio_driver_state *vio, int event);
+extern void vio_conn_reset(struct vio_driver_state *vio);
+extern int vio_control_pkt_engine(struct vio_driver_state *vio, void *pkt);
+extern int vio_validate_sid(struct vio_driver_state *vio,
+			    struct vio_msg_tag *tp);
+extern u32 vio_send_sid(struct vio_driver_state *vio);
+extern int vio_ldc_alloc(struct vio_driver_state *vio,
+			 struct ldc_channel_config *base_cfg, void *event_arg);
+extern void vio_ldc_free(struct vio_driver_state *vio);
+extern int vio_driver_init(struct vio_driver_state *vio, struct vio_dev *vdev,
+			   u8 dev_class, struct vio_version *ver_table,
+			   int ver_table_size, struct vio_driver_ops *ops,
+			   char *name);
+
+extern void vio_port_up(struct vio_driver_state *vio);
+
+#endif /* _SPARC64_VIO_H */