Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (151 commits)
  powerpc: Fix usage of 64-bit instruction in 32-bit altivec code
  MAINTAINERS: Add PowerPC patterns
  powerpc/pseries: Track previous CPPR values to correctly EOI interrupts
  powerpc/pseries: Correct pseries/dlpar.c build break without CONFIG_SMP
  powerpc: Make "intspec" pointers in irq_host->xlate() const
  powerpc/8xx: DTLB Miss cleanup
  powerpc/8xx: Remove DIRTY pte handling in DTLB Error.
  powerpc/8xx: Start using dcbX instructions in various copy routines
  powerpc/8xx: Restore _PAGE_WRITETHRU
  powerpc/8xx: Add missing Guarded setting in DTLB Error.
  powerpc/8xx: Fixup DAR from buggy dcbX instructions.
  powerpc/8xx: Tag DAR with 0x00f0 to catch buggy instructions.
  powerpc/8xx: Update TLB asm so it behaves as linux mm expects.
  powerpc/8xx: Invalidate non present TLBs
  powerpc/pseries: Serialize cpu hotplug operations during deactivate Vs deallocate
  pseries/pseries: Add code to online/offline CPUs of a DLPAR node
  powerpc: stop_this_cpu: remove the cpu from the online map.
  powerpc/pseries: Add kernel based CPU DLPAR handling
  sysfs/cpu: Add probe/release files
  powerpc/pseries: Kernel DLPAR Infrastructure
  ...

arch/powerpc/include/asm/immap_cpm2.h

@@ -549,7 +549,7 @@ typedef struct comm_proc {
 
 /* USB Controller.
 */
-typedef struct usb_ctlr {
+typedef struct cpm_usb_ctlr {
 	u8	usb_usmod;
 	u8	usb_usadr;
 	u8	usb_uscom;

arch/powerpc/include/asm/immap_qe.h

@@ -210,7 +210,7 @@ struct sir {
 } __attribute__ ((packed));
 
 /* USB Controller */
-struct usb_ctlr {
+struct qe_usb_ctlr {
 	u8	usb_usmod;
 	u8	usb_usadr;
 	u8	usb_uscom;
@@ -229,7 +229,7 @@ struct usb_ctlr {
 } __attribute__ ((packed));
 
 /* MCC */
-struct mcc {
+struct qe_mcc {
 	__be32	mcce;		/* MCC event register */
 	__be32	mccm;		/* MCC mask register */
 	__be32	mccf;		/* MCC configuration register */
@@ -431,9 +431,9 @@ struct qe_immap {
 	struct qe_mux		qmx;		/* QE Multiplexer */
 	struct qe_timers	qet;		/* QE Timers */
 	struct spi		spi[0x2];	/* spi */
-	struct mcc		mcc;		/* mcc */
+	struct qe_mcc		mcc;		/* mcc */
 	struct qe_brg		brg;		/* brg */
-	struct usb_ctlr		usb;		/* USB */
+	struct qe_usb_ctlr	usb;		/* USB */
 	struct si1		si1;		/* SI */
 	u8			res11[0x800];
 	struct sir		sir;		/* SI Routing Tables */

arch/powerpc/include/asm/irq.h

@@ -17,8 +17,6 @@
 #include <asm/atomic.h>
 
 
-#define get_irq_desc(irq) (&irq_desc[(irq)])
-
 /* Define a way to iterate across irqs. */
 #define for_each_irq(i) \
 	for ((i) = 0; (i) < NR_IRQS; ++(i))
@@ -34,12 +32,15 @@ extern atomic_t ppc_n_lost_interrupts;
  */
 #define NO_IRQ_IGNORE		((unsigned int)-1)
 
-/* Total number of virq in the platform (make it a CONFIG_* option ? */
-#define NR_IRQS		512
+/* Total number of virq in the platform */
+#define NR_IRQS		CONFIG_NR_IRQS
 
 /* Number of irqs reserved for the legacy controller */
 #define NUM_ISA_INTERRUPTS	16
 
+/* Same thing, used by the generic IRQ code */
+#define NR_IRQS_LEGACY		NUM_ISA_INTERRUPTS
+
 /* This type is the placeholder for a hardware interrupt number. It has to
  * be big enough to enclose whatever representation is used by a given
  * platform.
@@ -99,7 +100,7 @@ struct irq_host_ops {
 	 * interrupt controller has for that line)
 	 */
 	int (*xlate)(struct irq_host *h, struct device_node *ctrler,
-		     u32 *intspec, unsigned int intsize,
+		     const u32 *intspec, unsigned int intsize,
 		     irq_hw_number_t *out_hwirq, unsigned int *out_type);
 };
 
@@ -313,7 +314,7 @@ extern void irq_free_virt(unsigned int virq, unsigned int count);
  * of the of_irq_map_*() functions.
  */
 extern unsigned int irq_create_of_mapping(struct device_node *controller,
-					  u32 *intspec, unsigned int intsize);
+					  const u32 *intspec, unsigned int intsize);
 
 /**
  * irq_of_parse_and_map - Parse and Map an interrupt into linux virq space

arch/powerpc/include/asm/kvm.h

@@ -46,6 +46,24 @@ struct kvm_regs {
 };
 
 struct kvm_sregs {
+	__u32 pvr;
+	union {
+		struct {
+			__u64 sdr1;
+			struct {
+				struct {
+					__u64 slbe;
+					__u64 slbv;
+				} slb[64];
+			} ppc64;
+			struct {
+				__u32 sr[16];
+				__u64 ibat[8]; 
+				__u64 dbat[8]; 
+			} ppc32;
+		} s;
+		__u8 pad[1020];
+	} u;
 };
 
 struct kvm_fpu {

arch/powerpc/include/asm/kvm_asm.h

@@ -49,6 +49,46 @@
 #define BOOKE_INTERRUPT_SPE_FP_ROUND 34
 #define BOOKE_INTERRUPT_PERFORMANCE_MONITOR 35
 
+/* book3s */
+
+#define BOOK3S_INTERRUPT_SYSTEM_RESET	0x100
+#define BOOK3S_INTERRUPT_MACHINE_CHECK	0x200
+#define BOOK3S_INTERRUPT_DATA_STORAGE	0x300
+#define BOOK3S_INTERRUPT_DATA_SEGMENT	0x380
+#define BOOK3S_INTERRUPT_INST_STORAGE	0x400
+#define BOOK3S_INTERRUPT_INST_SEGMENT	0x480
+#define BOOK3S_INTERRUPT_EXTERNAL	0x500
+#define BOOK3S_INTERRUPT_ALIGNMENT	0x600
+#define BOOK3S_INTERRUPT_PROGRAM	0x700
+#define BOOK3S_INTERRUPT_FP_UNAVAIL	0x800
+#define BOOK3S_INTERRUPT_DECREMENTER	0x900
+#define BOOK3S_INTERRUPT_SYSCALL	0xc00
+#define BOOK3S_INTERRUPT_TRACE		0xd00
+#define BOOK3S_INTERRUPT_PERFMON	0xf00
+#define BOOK3S_INTERRUPT_ALTIVEC	0xf20
+#define BOOK3S_INTERRUPT_VSX		0xf40
+
+#define BOOK3S_IRQPRIO_SYSTEM_RESET		0
+#define BOOK3S_IRQPRIO_DATA_SEGMENT		1
+#define BOOK3S_IRQPRIO_INST_SEGMENT		2
+#define BOOK3S_IRQPRIO_DATA_STORAGE		3
+#define BOOK3S_IRQPRIO_INST_STORAGE		4
+#define BOOK3S_IRQPRIO_ALIGNMENT		5
+#define BOOK3S_IRQPRIO_PROGRAM			6
+#define BOOK3S_IRQPRIO_FP_UNAVAIL		7
+#define BOOK3S_IRQPRIO_ALTIVEC			8
+#define BOOK3S_IRQPRIO_VSX			9
+#define BOOK3S_IRQPRIO_SYSCALL			10
+#define BOOK3S_IRQPRIO_MACHINE_CHECK		11
+#define BOOK3S_IRQPRIO_DEBUG			12
+#define BOOK3S_IRQPRIO_EXTERNAL			13
+#define BOOK3S_IRQPRIO_DECREMENTER		14
+#define BOOK3S_IRQPRIO_PERFORMANCE_MONITOR	15
+#define BOOK3S_IRQPRIO_MAX			16
+
+#define BOOK3S_HFLAG_DCBZ32			0x1
+#define BOOK3S_HFLAG_SLB			0x2
+
 #define RESUME_FLAG_NV          (1<<0)  /* Reload guest nonvolatile state? */
 #define RESUME_FLAG_HOST        (1<<1)  /* Resume host? */
 

arch/powerpc/include/asm/kvm_book3s.h

+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright SUSE Linux Products GmbH 2009
+ *
+ * Authors: Alexander Graf <agraf@suse.de>
+ */
+
+#ifndef __ASM_KVM_BOOK3S_H__
+#define __ASM_KVM_BOOK3S_H__
+
+#include <linux/types.h>
+#include <linux/kvm_host.h>
+#include <asm/kvm_ppc.h>
+
+struct kvmppc_slb {
+	u64 esid;
+	u64 vsid;
+	u64 orige;
+	u64 origv;
+	bool valid;
+	bool Ks;
+	bool Kp;
+	bool nx;
+	bool large;
+	bool class;
+};
+
+struct kvmppc_sr {
+	u32 raw;
+	u32 vsid;
+	bool Ks;
+	bool Kp;
+	bool nx;
+};
+
+struct kvmppc_bat {
+	u64 raw;
+	u32 bepi;
+	u32 bepi_mask;
+	bool vs;
+	bool vp;
+	u32 brpn;
+	u8 wimg;
+	u8 pp;
+};
+
+struct kvmppc_sid_map {
+	u64 guest_vsid;
+	u64 guest_esid;
+	u64 host_vsid;
+	bool valid;
+};
+
+#define SID_MAP_BITS    9
+#define SID_MAP_NUM     (1 << SID_MAP_BITS)
+#define SID_MAP_MASK    (SID_MAP_NUM - 1)
+
+struct kvmppc_vcpu_book3s {
+	struct kvm_vcpu vcpu;
+	struct kvmppc_sid_map sid_map[SID_MAP_NUM];
+	struct kvmppc_slb slb[64];
+	struct {
+		u64 esid;
+		u64 vsid;
+	} slb_shadow[64];
+	u8 slb_shadow_max;
+	struct kvmppc_sr sr[16];
+	struct kvmppc_bat ibat[8];
+	struct kvmppc_bat dbat[8];
+	u64 hid[6];
+	int slb_nr;
+	u64 sdr1;
+	u64 dsisr;
+	u64 hior;
+	u64 msr_mask;
+	u64 vsid_first;
+	u64 vsid_next;
+	u64 vsid_max;
+	int context_id;
+};
+
+#define CONTEXT_HOST		0
+#define CONTEXT_GUEST		1
+#define CONTEXT_GUEST_END	2
+
+#define VSID_REAL	0xfffffffffff00000
+#define VSID_REAL_DR	0xffffffffffe00000
+#define VSID_REAL_IR	0xffffffffffd00000
+#define VSID_BAT	0xffffffffffc00000
+#define VSID_PR		0x8000000000000000
+
+extern void kvmppc_mmu_pte_flush(struct kvm_vcpu *vcpu, u64 ea, u64 ea_mask);
+extern void kvmppc_mmu_pte_vflush(struct kvm_vcpu *vcpu, u64 vp, u64 vp_mask);
+extern void kvmppc_mmu_pte_pflush(struct kvm_vcpu *vcpu, u64 pa_start, u64 pa_end);
+extern void kvmppc_set_msr(struct kvm_vcpu *vcpu, u64 new_msr);
+extern void kvmppc_mmu_book3s_64_init(struct kvm_vcpu *vcpu);
+extern void kvmppc_mmu_book3s_32_init(struct kvm_vcpu *vcpu);
+extern int kvmppc_mmu_map_page(struct kvm_vcpu *vcpu, struct kvmppc_pte *pte);
+extern int kvmppc_mmu_map_segment(struct kvm_vcpu *vcpu, ulong eaddr);
+extern void kvmppc_mmu_flush_segments(struct kvm_vcpu *vcpu);
+extern struct kvmppc_pte *kvmppc_mmu_find_pte(struct kvm_vcpu *vcpu, u64 ea, bool data);
+extern int kvmppc_ld(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr, bool data);
+extern int kvmppc_st(struct kvm_vcpu *vcpu, ulong eaddr, int size, void *ptr);
+extern void kvmppc_book3s_queue_irqprio(struct kvm_vcpu *vcpu, unsigned int vec);
+extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
+			   bool upper, u32 val);
+
+extern u32 kvmppc_trampoline_lowmem;
+extern u32 kvmppc_trampoline_enter;
+
+static inline struct kvmppc_vcpu_book3s *to_book3s(struct kvm_vcpu *vcpu)
+{
+	return container_of(vcpu, struct kvmppc_vcpu_book3s, vcpu);
+}
+
+static inline ulong dsisr(void)
+{
+	ulong r;
+	asm ( "mfdsisr %0 " : "=r" (r) );
+	return r;
+}
+
+extern void kvm_return_point(void);
+
+#define INS_DCBZ			0x7c0007ec
+
+#endif /* __ASM_KVM_BOOK3S_H__ */

arch/powerpc/include/asm/kvm_book3s_64_asm.h

+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License, version 2, as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+ *
+ * Copyright SUSE Linux Products GmbH 2009
+ *
+ * Authors: Alexander Graf <agraf@suse.de>
+ */
+
+#ifndef __ASM_KVM_BOOK3S_ASM_H__
+#define __ASM_KVM_BOOK3S_ASM_H__
+
+#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
+
+#include <asm/kvm_asm.h>
+
+.macro DO_KVM intno
+	.if (\intno == BOOK3S_INTERRUPT_SYSTEM_RESET) || \
+	    (\intno == BOOK3S_INTERRUPT_MACHINE_CHECK) || \
+	    (\intno == BOOK3S_INTERRUPT_DATA_STORAGE) || \
+	    (\intno == BOOK3S_INTERRUPT_INST_STORAGE) || \
+	    (\intno == BOOK3S_INTERRUPT_DATA_SEGMENT) || \
+	    (\intno == BOOK3S_INTERRUPT_INST_SEGMENT) || \
+	    (\intno == BOOK3S_INTERRUPT_EXTERNAL) || \
+	    (\intno == BOOK3S_INTERRUPT_ALIGNMENT) || \
+	    (\intno == BOOK3S_INTERRUPT_PROGRAM) || \
+	    (\intno == BOOK3S_INTERRUPT_FP_UNAVAIL) || \
+	    (\intno == BOOK3S_INTERRUPT_DECREMENTER) || \
+	    (\intno == BOOK3S_INTERRUPT_SYSCALL) || \
+	    (\intno == BOOK3S_INTERRUPT_TRACE) || \
+	    (\intno == BOOK3S_INTERRUPT_PERFMON) || \
+	    (\intno == BOOK3S_INTERRUPT_ALTIVEC) || \
+	    (\intno == BOOK3S_INTERRUPT_VSX)
+
+	b	kvmppc_trampoline_\intno
+kvmppc_resume_\intno:
+
+	.endif
+.endm
+
+#else
+
+.macro DO_KVM intno
+.endm
+
+#endif /* CONFIG_KVM_BOOK3S_64_HANDLER */
+
+#endif /* __ASM_KVM_BOOK3S_ASM_H__ */

arch/powerpc/include/asm/kvm_host.h

@@ -21,7 +21,8 @@
 #define __POWERPC_KVM_HOST_H__
 
 #include <linux/mutex.h>
-#include <linux/timer.h>
+#include <linux/hrtimer.h>
+#include <linux/interrupt.h>
 #include <linux/types.h>
 #include <linux/kvm_types.h>
 #include <asm/kvm_asm.h>
@@ -37,6 +38,8 @@
 #define KVM_NR_PAGE_SIZES	1
 #define KVM_PAGES_PER_HPAGE(x)	(1UL<<31)
 
+#define HPTEG_CACHE_NUM 1024
+
 struct kvm;
 struct kvm_run;
 struct kvm_vcpu;
@@ -63,6 +66,17 @@ struct kvm_vcpu_stat {
 	u32 dec_exits;
 	u32 ext_intr_exits;
 	u32 halt_wakeup;
+#ifdef CONFIG_PPC64
+	u32 pf_storage;
+	u32 pf_instruc;
+	u32 sp_storage;
+	u32 sp_instruc;
+	u32 queue_intr;
+	u32 ld;
+	u32 ld_slow;
+	u32 st;
+	u32 st_slow;
+#endif
 };
 
 enum kvm_exit_types {
@@ -109,9 +123,53 @@ struct kvmppc_exit_timing {
 struct kvm_arch {
 };
 
+struct kvmppc_pte {
+	u64 eaddr;
+	u64 vpage;
+	u64 raddr;
+	bool may_read;
+	bool may_write;
+	bool may_execute;
+};
+
+struct kvmppc_mmu {
+	/* book3s_64 only */
+	void (*slbmte)(struct kvm_vcpu *vcpu, u64 rb, u64 rs);
+	u64  (*slbmfee)(struct kvm_vcpu *vcpu, u64 slb_nr);
+	u64  (*slbmfev)(struct kvm_vcpu *vcpu, u64 slb_nr);
+	void (*slbie)(struct kvm_vcpu *vcpu, u64 slb_nr);
+	void (*slbia)(struct kvm_vcpu *vcpu);
+	/* book3s */
+	void (*mtsrin)(struct kvm_vcpu *vcpu, u32 srnum, ulong value);
+	u32  (*mfsrin)(struct kvm_vcpu *vcpu, u32 srnum);
+	int  (*xlate)(struct kvm_vcpu *vcpu, gva_t eaddr, struct kvmppc_pte *pte, bool data);
+	void (*reset_msr)(struct kvm_vcpu *vcpu);
+	void (*tlbie)(struct kvm_vcpu *vcpu, ulong addr, bool large);
+	int  (*esid_to_vsid)(struct kvm_vcpu *vcpu, u64 esid, u64 *vsid);
+	u64  (*ea_to_vp)(struct kvm_vcpu *vcpu, gva_t eaddr, bool data);
+	bool (*is_dcbz32)(struct kvm_vcpu *vcpu);
+};
+
+struct hpte_cache {
+	u64 host_va;
+	u64 pfn;
+	ulong slot;
+	struct kvmppc_pte pte;
+};
+
 struct kvm_vcpu_arch {
-	u32 host_stack;
+	ulong host_stack;
 	u32 host_pid;
+#ifdef CONFIG_PPC64
+	ulong host_msr;
+	ulong host_r2;
+	void *host_retip;
+	ulong trampoline_lowmem;
+	ulong trampoline_enter;
+	ulong highmem_handler;
+	ulong host_paca_phys;
+	struct kvmppc_mmu mmu;
+#endif
 
 	u64 fpr[32];
 	ulong gpr[32];
@@ -123,6 +181,10 @@ struct kvm_vcpu_arch {
 	ulong xer;
 
 	ulong msr;
+#ifdef CONFIG_PPC64
+	ulong shadow_msr;
+	ulong hflags;
+#endif
 	u32 mmucr;
 	ulong sprg0;
 	ulong sprg1;
@@ -149,6 +211,7 @@ struct kvm_vcpu_arch {
 	u32 ivor[64];
 	ulong ivpr;
 	u32 pir;
+	u32 pvr;
 
 	u32 shadow_pid;
 	u32 pid;
@@ -174,6 +237,9 @@ struct kvm_vcpu_arch {
 #endif
 
 	u32 last_inst;
+#ifdef CONFIG_PPC64
+	ulong fault_dsisr;
+#endif
 	ulong fault_dear;
 	ulong fault_esr;
 	gpa_t paddr_accessed;
@@ -185,8 +251,15 @@ struct kvm_vcpu_arch {
 
 	u32 cpr0_cfgaddr; /* holds the last set cpr0_cfgaddr */
 
-	struct timer_list dec_timer;
+	struct hrtimer dec_timer;
+	struct tasklet_struct tasklet;
+	u64 dec_jiffies;
 	unsigned long pending_exceptions;
+
+#ifdef CONFIG_PPC64
+	struct hpte_cache hpte_cache[HPTEG_CACHE_NUM];
+	int hpte_cache_offset;
+#endif
 };
 
 #endif /* __POWERPC_KVM_HOST_H__ */

arch/powerpc/include/asm/kvm_ppc.h

@@ -39,6 +39,7 @@ enum emulation_result {
 extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
 extern char kvmppc_handlers_start[];
 extern unsigned long kvmppc_handler_len;
+extern void kvmppc_handler_highmem(void);
 
 extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu);
 extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,

arch/powerpc/include/asm/lppaca.h

@@ -100,7 +100,14 @@ struct lppaca {
 	// Used to pass parms from the OS to PLIC for SetAsrAndRfid
 	u64	saved_gpr3;		// Saved GPR3                   x20-x27
 	u64	saved_gpr4;		// Saved GPR4                   x28-x2F
-	u64	saved_gpr5;		// Saved GPR5                   x30-x37
+	union {
+		u64	saved_gpr5;	/* Saved GPR5               x30-x37 */
+		struct {
+			u8	cede_latency_hint;  /*			x30 */
+			u8	reserved[7];        /*		    x31-x36 */
+		} fields;
+	} gpr5_dword;
+
 
 	u8	dtl_enable_mask;	// Dispatch Trace Log mask	x38-x38
 	u8	donate_dedicated_cpu;	// Donate dedicated CPU cycles  x39-x39

arch/powerpc/include/asm/machdep.h

@@ -266,6 +266,11 @@ struct machdep_calls {
 	void (*suspend_disable_irqs)(void);
 	void (*suspend_enable_irqs)(void);
 #endif
+
+#ifdef CONFIG_ARCH_CPU_PROBE_RELEASE
+	ssize_t (*cpu_probe)(const char *, size_t);
+	ssize_t (*cpu_release)(const char *, size_t);
+#endif
 };
 
 extern void e500_idle(void);

arch/powerpc/include/asm/macio.h

@@ -39,6 +39,7 @@ struct macio_dev
 	struct macio_bus	*bus;		/* macio bus this device is on */
 	struct macio_dev	*media_bay;	/* Device is part of a media bay */
 	struct of_device	ofdev;
+	struct device_dma_parameters dma_parms; /* ide needs that */
 	int			n_resources;
 	struct resource		resource[MACIO_DEV_COUNT_RESOURCES];
 	int			n_interrupts;
@@ -78,6 +79,8 @@ static inline unsigned long macio_resource_len(struct macio_dev *dev, int resour
 	return res->end - res->start + 1;
 }
 
+extern int macio_enable_devres(struct macio_dev *dev);
+
 extern int macio_request_resource(struct macio_dev *dev, int resource_no, const char *name);
 extern void macio_release_resource(struct macio_dev *dev, int resource_no);
 extern int macio_request_resources(struct macio_dev *dev, const char *name);
@@ -131,6 +134,9 @@ struct macio_driver
 	int	(*resume)(struct macio_dev* dev);
 	int	(*shutdown)(struct macio_dev* dev);
 
+#ifdef CONFIG_PMAC_MEDIABAY
+	void	(*mediabay_event)(struct macio_dev* dev, int mb_state);
+#endif
 	struct device_driver	driver;
 };
 #define	to_macio_driver(drv) container_of(drv,struct macio_driver, driver)

arch/powerpc/include/asm/mediabay.h

@@ -17,26 +17,31 @@
 #define MB_POWER	6	/* media bay contains a Power device (???) */
 #define MB_NO		7	/* media bay contains nothing */
 
-/* Number of bays in the machine or 0 */
-extern int media_bay_count;
+struct macio_dev;
 
-#ifdef CONFIG_BLK_DEV_IDE_PMAC
-#include <linux/ide.h>
+#ifdef CONFIG_PMAC_MEDIABAY
 
-int check_media_bay_by_base(unsigned long base, int what);
-/* called by IDE PMAC host driver to register IDE controller for media bay */
-int media_bay_set_ide_infos(struct device_node *which_bay, unsigned long base,
-			    int irq, ide_hwif_t *hwif);
+/* Check the content type of the bay, returns MB_NO if the bay is still
+ * transitionning
+ */
+extern int check_media_bay(struct macio_dev *bay);
 
-int check_media_bay(struct device_node *which_bay, int what);
+/* The ATA driver uses the calls below to temporarily hold on the
+ * media bay callbacks while initializing the interface
+ */
+extern void lock_media_bay(struct macio_dev *bay);
+extern void unlock_media_bay(struct macio_dev *bay);
 
 #else
 
-static inline int check_media_bay(struct device_node *which_bay, int what)
+static inline int check_media_bay(struct macio_dev *bay)
 {
-	return -ENODEV;
+	return MB_NO;
 }
 
+static inline void lock_media_bay(struct macio_dev *bay) { }
+static inline void unlock_media_bay(struct macio_dev *bay) { }
+
 #endif
 
 #endif /* __KERNEL__ */

arch/powerpc/include/asm/mmu-hash64.h

@@ -173,14 +173,6 @@ extern unsigned long tce_alloc_start, tce_alloc_end;
  */
 extern int mmu_ci_restrictions;
 
-#ifdef CONFIG_HUGETLB_PAGE
-/*
- * The page size indexes of the huge pages for use by hugetlbfs
- */
-extern unsigned int mmu_huge_psizes[MMU_PAGE_COUNT];
-
-#endif /* CONFIG_HUGETLB_PAGE */
-
 /*
  * This function sets the AVPN and L fields of the HPTE  appropriately
  * for the page size
@@ -253,10 +245,11 @@ extern int __hash_page_64K(unsigned long ea, unsigned long access,
 			   unsigned long vsid, pte_t *ptep, unsigned long trap,
 			   unsigned int local, int ssize);
 struct mm_struct;
+unsigned int hash_page_do_lazy_icache(unsigned int pp, pte_t pte, int trap);
 extern int hash_page(unsigned long ea, unsigned long access, unsigned long trap);
-extern int hash_huge_page(struct mm_struct *mm, unsigned long access,
-			  unsigned long ea, unsigned long vsid, int local,
-			  unsigned long trap);
+int __hash_page_huge(unsigned long ea, unsigned long access, unsigned long vsid,
+		     pte_t *ptep, unsigned long trap, int local, int ssize,
+		     unsigned int shift, unsigned int mmu_psize);
 
 extern int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
 			     unsigned long pstart, unsigned long prot,
@@ -380,6 +373,38 @@ extern void slb_set_size(u16 size);
 
 #ifndef __ASSEMBLY__
 
+#ifdef CONFIG_PPC_SUBPAGE_PROT
+/*
+ * For the sub-page protection option, we extend the PGD with one of
+ * these.  Basically we have a 3-level tree, with the top level being
+ * the protptrs array.  To optimize speed and memory consumption when
+ * only addresses < 4GB are being protected, pointers to the first
+ * four pages of sub-page protection words are stored in the low_prot
+ * array.
+ * Each page of sub-page protection words protects 1GB (4 bytes
+ * protects 64k).  For the 3-level tree, each page of pointers then
+ * protects 8TB.
+ */
+struct subpage_prot_table {
+	unsigned long maxaddr;	/* only addresses < this are protected */
+	unsigned int **protptrs[2];
+	unsigned int *low_prot[4];
+};
+
+#define SBP_L1_BITS		(PAGE_SHIFT - 2)
+#define SBP_L2_BITS		(PAGE_SHIFT - 3)
+#define SBP_L1_COUNT		(1 << SBP_L1_BITS)
+#define SBP_L2_COUNT		(1 << SBP_L2_BITS)
+#define SBP_L2_SHIFT		(PAGE_SHIFT + SBP_L1_BITS)
+#define SBP_L3_SHIFT		(SBP_L2_SHIFT + SBP_L2_BITS)
+
+extern void subpage_prot_free(struct mm_struct *mm);
+extern void subpage_prot_init_new_context(struct mm_struct *mm);
+#else
+static inline void subpage_prot_free(struct mm_struct *mm) {}
+static inline void subpage_prot_init_new_context(struct mm_struct *mm) { }
+#endif /* CONFIG_PPC_SUBPAGE_PROT */
+
 typedef unsigned long mm_context_id_t;
 
 typedef struct {
@@ -393,6 +418,9 @@ typedef struct {
 	u16 sllp;		/* SLB page size encoding */
 #endif
 	unsigned long vdso_base;
+#ifdef CONFIG_PPC_SUBPAGE_PROT
+	struct subpage_prot_table spt;
+#endif /* CONFIG_PPC_SUBPAGE_PROT */
 } mm_context_t;
 
 

arch/powerpc/include/asm/mmu_context.h

@@ -23,6 +23,8 @@ extern void switch_slb(struct task_struct *tsk, struct mm_struct *mm);
 extern void set_context(unsigned long id, pgd_t *pgd);
 
 #ifdef CONFIG_PPC_BOOK3S_64
+extern int __init_new_context(void);
+extern void __destroy_context(int context_id);
 static inline void mmu_context_init(void) { }
 #else
 extern void mmu_context_init(void);

arch/powerpc/include/asm/mpc52xx.h

@@ -276,6 +276,53 @@ extern int mpc52xx_set_psc_clkdiv(int psc_id, int clkdiv);
 extern unsigned int mpc52xx_get_xtal_freq(struct device_node *node);
 extern void mpc52xx_restart(char *cmd);
 
+/* mpc52xx_gpt.c */
+struct mpc52xx_gpt_priv;
+extern struct mpc52xx_gpt_priv *mpc52xx_gpt_from_irq(int irq);
+extern int mpc52xx_gpt_start_timer(struct mpc52xx_gpt_priv *gpt, u64 period,
+                            int continuous);
+extern u64 mpc52xx_gpt_timer_period(struct mpc52xx_gpt_priv *gpt);
+extern int mpc52xx_gpt_stop_timer(struct mpc52xx_gpt_priv *gpt);
+
+/* mpc52xx_lpbfifo.c */
+#define MPC52XX_LPBFIFO_FLAG_READ		(0)
+#define MPC52XX_LPBFIFO_FLAG_WRITE		(1<<0)
+#define MPC52XX_LPBFIFO_FLAG_NO_INCREMENT	(1<<1)
+#define MPC52XX_LPBFIFO_FLAG_NO_DMA		(1<<2)
+#define MPC52XX_LPBFIFO_FLAG_POLL_DMA		(1<<3)
+
+struct mpc52xx_lpbfifo_request {
+	struct list_head list;
+
+	/* localplus bus address */
+	unsigned int cs;
+	size_t offset;
+
+	/* Memory address */
+	void *data;
+	phys_addr_t data_phys;
+
+	/* Details of transfer */
+	size_t size;
+	size_t pos;	/* current position of transfer */
+	int flags;
+
+	/* What to do when finished */
+	void (*callback)(struct mpc52xx_lpbfifo_request *);
+
+	void *priv;		/* Driver private data */
+
+	/* statistics */
+	int irq_count;
+	int irq_ticks;
+	u8 last_byte;
+	int buffer_not_done_cnt;
+};
+
+extern int mpc52xx_lpbfifo_submit(struct mpc52xx_lpbfifo_request *req);
+extern void mpc52xx_lpbfifo_abort(struct mpc52xx_lpbfifo_request *req);
+extern void mpc52xx_lpbfifo_poll(void);
+
 /* mpc52xx_pic.c */
 extern void mpc52xx_init_irq(void);
 extern unsigned int mpc52xx_get_irq(void);

arch/powerpc/include/asm/nvram.h

@@ -73,7 +73,6 @@ extern int nvram_write_error_log(char * buff, int length,
 extern int nvram_read_error_log(char * buff, int length,
 					 unsigned int * err_type, unsigned int *err_seq);
 extern int nvram_clear_error_log(void);
-extern struct nvram_partition *nvram_find_partition(int sig, const char *name);
 
 extern int pSeries_nvram_init(void);
 

arch/powerpc/include/asm/pSeries_reconfig.h

@@ -17,6 +17,7 @@
 #ifdef CONFIG_PPC_PSERIES
 extern int pSeries_reconfig_notifier_register(struct notifier_block *);
 extern void pSeries_reconfig_notifier_unregister(struct notifier_block *);
+extern struct blocking_notifier_head pSeries_reconfig_chain;
 #else /* !CONFIG_PPC_PSERIES */
 static inline int pSeries_reconfig_notifier_register(struct notifier_block *nb)
 {

arch/powerpc/include/asm/paca.h

@@ -129,6 +129,15 @@ struct paca_struct {
 	u64 system_time;		/* accumulated system TB ticks */
 	u64 startpurr;			/* PURR/TB value snapshot */
 	u64 startspurr;			/* SPURR value snapshot */
+
+#ifdef CONFIG_KVM_BOOK3S_64_HANDLER
+	struct  {
+		u64     esid;
+		u64     vsid;
+	} kvm_slb[64];			/* guest SLB */
+	u8 kvm_slb_max;			/* highest used guest slb entry */
+	u8 kvm_in_guest;		/* are we inside the guest? */
+#endif
 };
 
 extern struct paca_struct paca[];

arch/powerpc/include/asm/page.h

@@ -229,6 +229,20 @@ typedef unsigned long pgprot_t;
 
 #endif
 
+typedef struct { signed long pd; } hugepd_t;
+#define HUGEPD_SHIFT_MASK     0x3f
+
+#ifdef CONFIG_HUGETLB_PAGE
+static inline int hugepd_ok(hugepd_t hpd)
+{
+	return (hpd.pd > 0);
+}
+
+#define is_hugepd(pdep)               (hugepd_ok(*((hugepd_t *)(pdep))))
+#else /* CONFIG_HUGETLB_PAGE */
+#define is_hugepd(pdep)			0
+#endif /* CONFIG_HUGETLB_PAGE */
+
 struct page;
 extern void clear_user_page(void *page, unsigned long vaddr, struct page *pg);
 extern void copy_user_page(void *to, void *from, unsigned long vaddr,