19 files changed, 138 insertions, 279 deletions
diff --git a/include/asm-powerpc/cputable.h b/include/asm-powerpc/cputable.h
index 1ba3c9983614..748bc1805da9 100644
--- a/include/asm-powerpc/cputable.h
+++ b/include/asm-powerpc/cputable.h
@@ -36,6 +36,7 @@
 struct cpu_spec;
 typedef void (*cpu_setup_t)(unsigned long offset, struct cpu_spec* spec);
+typedef void (*cpu_restore_t)(void);
 enum powerpc_oprofile_type {
        PPC_OPROFILE_INVALID = 0,
@@ -65,6 +66,8 @@ struct cpu_spec {
         * BHT, SPD, etc... from head.S before branching to identify_machine
         */
        cpu_setup_t     cpu_setup;
+        /* Used to restore cpu setup on secondary processors and at resume */
+        cpu_restore_t   cpu_restore;
        /* Used by oprofile userspace to select the right counters */
        char            *oprofile_cpu_type;
diff --git a/include/asm-powerpc/hvcall.h b/include/asm-powerpc/hvcall.h
index 0d3c4e85711a..63ce1ac8c1f4 100644
--- a/include/asm-powerpc/hvcall.h
+++ b/include/asm-powerpc/hvcall.h
@@ -164,9 +164,15 @@
 #define H_VIO_SIGNAL            0x104
 #define H_SEND_CRQ              0x108
 #define H_COPY_RDMA             0x110
+#define H_REGISTER_LOGICAL_LAN  0x114
+#define H_FREE_LOGICAL_LAN      0x118
+#define H_ADD_LOGICAL_LAN_BUFFER 0x11C
+#define H_SEND_LOGICAL_LAN      0x120
+#define H_MULTICAST_CTRL        0x130
 #define H_SET_XDABR             0x134
 #define H_STUFF_TCE             0x138
 #define H_PUT_TCE_INDIRECT      0x13C
+#define H_CHANGE_LOGICAL_LAN_MAC 0x14C
 #define H_VTERM_PARTNER_INFO    0x150
 #define H_REGISTER_VTERM        0x154
 #define H_FREE_VTERM            0x158
@@ -196,102 +202,49 @@
 #define H_GET_HCA_INFO          0x1B8
 #define H_GET_PERF_COUNT        0x1BC
 #define H_MANAGE_TRACE          0x1C0
+#define H_FREE_LOGICAL_LAN_BUFFER 0x1D4
 #define H_QUERY_INT_STATE       0x1E4
 #define H_POLL_PENDING          0x1D8
 #define H_JOIN                  0x298
 #define H_VASI_STATE            0x2A4
 #define H_ENABLE_CRQ            0x2B0
+#define MAX_HCALL_OPCODES       (H_ENABLE_CRQ >> 2)
 #ifndef __ASSEMBLY__
-/* plpar_hcall() -- Generic call interface using above opcodes
+/**
+ * plpar_hcall_norets: - Make a pseries hypervisor call with no return arguments
+ * @opcode: The hypervisor call to make.
 *
- * The actual call interface is a hypervisor call instruction with
+ * This call supports up to 7 arguments and only returns the status of
- * the opcode in R3 and input args in R4-R7.
+ * the hcall. Use this version where possible, its slightly faster than
- * Status is returned in R3 with variable output values in R4-R11.
+ * the other plpar_hcalls.
- * Only H_PTE_READ with H_READ_4 uses R6-R11 so we ignore it for now
- * and return only two out args which MUST ALWAYS BE PROVIDED.
- */
-long plpar_hcall(unsigned long opcode,
-                 unsigned long arg1,
-                 unsigned long arg2,
-                 unsigned long arg3,
-                 unsigned long arg4,
-                 unsigned long *out1,
-                 unsigned long *out2,
-                 unsigned long *out3);
-/* Same as plpar_hcall but for those opcodes that return no values
- * other than status.  Slightly more efficient.
 */
 long plpar_hcall_norets(unsigned long opcode, ...);
-/*
+/**
- * Special hcall interface for ibmveth support.
+ * plpar_hcall: - Make a pseries hypervisor call
- * Takes 8 input parms. Returns a rc and stores the
+ * @opcode: The hypervisor call to make.
- * R4 return value in *out1.
+ * @retbuf: Buffer to store up to 4 return arguments in.
- */
-long plpar_hcall_8arg_2ret(unsigned long opcode,
-                           unsigned long arg1,
-                           unsigned long arg2,
-                           unsigned long arg3,
-                           unsigned long arg4,
-                           unsigned long arg5,
-                           unsigned long arg6,
-                           unsigned long arg7,
-                           unsigned long arg8,
-                           unsigned long *out1);
-/* plpar_hcall_4out()
 *
- * same as plpar_hcall except with 4 output arguments.
+ * This call supports up to 6 arguments and 4 return arguments. Use
+ * PLPAR_HCALL_BUFSIZE to size the return argument buffer.
 *
+ * Used for all but the craziest of phyp interfaces (see plpar_hcall9)
 */
-long plpar_hcall_4out(unsigned long opcode,
+#define PLPAR_HCALL_BUFSIZE 4
-                      unsigned long arg1,
+long plpar_hcall(unsigned long opcode, unsigned long *retbuf, ...);
-                      unsigned long arg2,
-                      unsigned long arg3,
-                      unsigned long arg4,
-                      unsigned long *out1,
-                      unsigned long *out2,
-                      unsigned long *out3,
-                      unsigned long *out4);
-long plpar_hcall_7arg_7ret(unsigned long opcode,
+/**
-                           unsigned long arg1,
+ * plpar_hcall9: - Make a pseries hypervisor call with up to 9 return arguments
-                           unsigned long arg2,
+ * @opcode: The hypervisor call to make.
-                           unsigned long arg3,
+ * @retbuf: Buffer to store up to 9 return arguments in.
-                           unsigned long arg4,
+ *
-                           unsigned long arg5,
+ * This call supports up to 9 arguments and 9 return arguments. Use
-                           unsigned long arg6,
+ * PLPAR_HCALL9_BUFSIZE to size the return argument buffer.
-                           unsigned long arg7,
+ */
-                           unsigned long *out1,
+#define PLPAR_HCALL9_BUFSIZE 9
-                           unsigned long *out2,
+long plpar_hcall9(unsigned long opcode, unsigned long *retbuf, ...);
-                           unsigned long *out3,
-                           unsigned long *out4,
-                           unsigned long *out5,
-                           unsigned long *out6,
-                           unsigned long *out7);
-long plpar_hcall_9arg_9ret(unsigned long opcode,
-                           unsigned long arg1,
-                           unsigned long arg2,
-                           unsigned long arg3,
-                           unsigned long arg4,
-                           unsigned long arg5,
-                           unsigned long arg6,
-                           unsigned long arg7,
-                           unsigned long arg8,
-                           unsigned long arg9,
-                           unsigned long *out1,
-                           unsigned long *out2,
-                           unsigned long *out3,
-                           unsigned long *out4,
-                           unsigned long *out5,
-                           unsigned long *out6,
-                           unsigned long *out7,
-                           unsigned long *out8,
-                           unsigned long *out9);
 #endif /* __ASSEMBLY__ */
 #endif /* __KERNEL__ */
diff --git a/include/asm-powerpc/ibmebus.h b/include/asm-powerpc/ibmebus.h
index 7a42723d107c..7ab195a27888 100644
--- a/include/asm-powerpc/ibmebus.h
+++ b/include/asm-powerpc/ibmebus.h
@@ -48,7 +48,7 @@ extern struct dma_mapping_ops ibmebus_dma_ops;
 extern struct bus_type ibmebus_bus_type;
 struct ibmebus_dev {    
-        char *name;
+        const char *name;
        struct of_device ofdev;
 };
diff --git a/include/asm-powerpc/irq.h b/include/asm-powerpc/irq.h
index d903a62959da..4da41efb1319 100644
--- a/include/asm-powerpc/irq.h
+++ b/include/asm-powerpc/irq.h
@@ -137,7 +137,7 @@ struct irq_map_entry {
 extern struct irq_map_entry irq_map[NR_IRQS];
-/***
+/**
 * irq_alloc_host - Allocate a new irq_host data structure
 * @node: device-tree node of the interrupt controller
 * @revmap_type: type of reverse mapping to use
@@ -159,14 +159,14 @@ extern struct irq_host *irq_alloc_host(unsigned int revmap_type,
                                       irq_hw_number_t inval_irq);
-/***
+/**
 * irq_find_host - Locates a host for a given device node
 * @node: device-tree node of the interrupt controller
 */
 extern struct irq_host *irq_find_host(struct device_node *node);
-/***
+/**
 * irq_set_default_host - Set a "default" host
 * @host: default host pointer
 *
@@ -178,7 +178,7 @@ extern struct irq_host *irq_find_host(struct device_node *node);
 extern void irq_set_default_host(struct irq_host *host);
-/***
+/**
 * irq_set_virq_count - Set the maximum number of virt irqs
 * @count: number of linux virtual irqs, capped with NR_IRQS
 *
@@ -188,7 +188,7 @@ extern void irq_set_default_host(struct irq_host *host);
 extern void irq_set_virq_count(unsigned int count);
-/***
+/**
 * irq_create_mapping - Map a hardware interrupt into linux virq space
 * @host: host owning this hardware interrupt or NULL for default host
 * @hwirq: hardware irq number in that host space
@@ -202,13 +202,13 @@ extern unsigned int irq_create_mapping(struct irq_host *host,
                                       irq_hw_number_t hwirq);
-/***
+/**
 * irq_dispose_mapping - Unmap an interrupt
 * @virq: linux virq number of the interrupt to unmap
 */
 extern void irq_dispose_mapping(unsigned int virq);
-/***
+/**
 * irq_find_mapping - Find a linux virq from an hw irq number.
 * @host: host owning this hardware interrupt
 * @hwirq: hardware irq number in that host space
@@ -221,7 +221,7 @@ extern unsigned int irq_find_mapping(struct irq_host *host,
                                     irq_hw_number_t hwirq);
-/***
+/**
 * irq_radix_revmap - Find a linux virq from a hw irq number.
 * @host: host owning this hardware interrupt
 * @hwirq: hardware irq number in that host space
@@ -232,7 +232,7 @@ extern unsigned int irq_find_mapping(struct irq_host *host,
 extern unsigned int irq_radix_revmap(struct irq_host *host,
                                     irq_hw_number_t hwirq);
-/***
+/**
 * irq_linear_revmap - Find a linux virq from a hw irq number.
 * @host: host owning this hardware interrupt
 * @hwirq: hardware irq number in that host space
@@ -247,7 +247,7 @@ extern unsigned int irq_linear_revmap(struct irq_host *host,
-/***
+/**
 * irq_alloc_virt - Allocate virtual irq numbers
 * @host: host owning these new virtual irqs
 * @count: number of consecutive numbers to allocate
@@ -261,7 +261,7 @@ extern unsigned int irq_alloc_virt(struct irq_host *host,
                                   unsigned int count,
                                   unsigned int hint);
-/***
+/**
 * irq_free_virt - Free virtual irq numbers
 * @virq: virtual irq number of the first interrupt to free
 * @count: number of interrupts to free
@@ -300,7 +300,7 @@ extern unsigned int irq_of_parse_and_map(struct device_node *dev, int index);
 /* -- End OF helpers -- */
-/***
+/**
 * irq_early_init - Init irq remapping subsystem
 */
 extern void irq_early_init(void);
diff --git a/include/asm-powerpc/iseries/hv_call_xm.h b/include/asm-powerpc/iseries/hv_call_xm.h
index ca9202cb01ed..392ac3f54df0 100644
--- a/include/asm-powerpc/iseries/hv_call_xm.h
+++ b/include/asm-powerpc/iseries/hv_call_xm.h
@@ -16,23 +16,6 @@
 #define HvCallXmSetTce                  HvCallXm + 11
 #define HvCallXmSetTces                 HvCallXm + 13
-/*
- * Structure passed to HvCallXm_getTceTableParms
- */
-struct iommu_table_cb {
-        unsigned long   itc_busno;      /* Bus number for this tce table */
-        unsigned long   itc_start;      /* Will be NULL for secondary */
-        unsigned long   itc_totalsize;  /* Size (in pages) of whole table */
-        unsigned long   itc_offset;     /* Index into real tce table of the
-                                           start of our section */
-        unsigned long   itc_size;       /* Size (in pages) of our section */
-        unsigned long   itc_index;      /* Index of this tce table */
-        unsigned short  itc_maxtables;  /* Max num of tables for partition */
-        unsigned char   itc_virtbus;    /* Flag to indicate virtual bus */
-        unsigned char   itc_slotno;     /* IOA Tce Slot Index */
-        unsigned char   itc_rsvd[4];
-};
 static inline void HvCallXm_getTceTableParms(u64 cb)
 {
        HvCall1(HvCallXmGetTceTableParms, cb);
diff --git a/include/asm-powerpc/iseries/hv_lp_config.h b/include/asm-powerpc/iseries/hv_lp_config.h
index df8b20739719..a006fd1e4a2c 100644
--- a/include/asm-powerpc/iseries/hv_lp_config.h
+++ b/include/asm-powerpc/iseries/hv_lp_config.h
@@ -25,7 +25,6 @@
 #include <asm/iseries/hv_call_sc.h>
 #include <asm/iseries/hv_types.h>
-#include <asm/iseries/it_lp_naca.h>
 enum {
        HvCallCfg_Cur   = 0,
@@ -44,16 +43,8 @@ enum {
 #define HvCallCfgGetHostingLpIndex                      HvCallCfg + 32
 extern HvLpIndex HvLpConfig_getLpIndex_outline(void);
+extern HvLpIndex HvLpConfig_getLpIndex(void);
-static inline HvLpIndex HvLpConfig_getLpIndex(void)
+extern HvLpIndex HvLpConfig_getPrimaryLpIndex(void);
-{
-        return itLpNaca.xLpIndex;
-}
-static inline HvLpIndex HvLpConfig_getPrimaryLpIndex(void)
-{
-        return itLpNaca.xPrimaryLpIndex;
-}
 static inline u64 HvLpConfig_getMsChunks(void)
 {
diff --git a/include/asm-powerpc/iseries/it_exp_vpd_panel.h b/include/asm-powerpc/iseries/it_exp_vpd_panel.h
deleted file mode 100644
index 304a609ae21a..000000000000
--- a/include/asm-powerpc/iseries/it_exp_vpd_panel.h
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * Copyright (C) 2002  Dave Boutcher IBM Corporation
- *
- * 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 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, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- */
-#ifndef _ASM_POWERPC_ISERIES_IT_EXT_VPD_PANEL_H
-#define _ASM_POWERPC_ISERIES_IT_EXT_VPD_PANEL_H
-/*
- *      This struct maps the panel information
- *
- * Warning:
- *      This data must match the architecture for the panel information
- */
-#include <asm/types.h>
-struct ItExtVpdPanel {
-        /* Definition of the Extended Vpd On Panel Data Area */
-        char    systemSerial[8];
-        char    mfgID[4];
-        char    reserved1[24];
-        char    machineType[4];
-        char    systemID[6];
-        char    somUniqueCnt[4];
-        char    serialNumberCount;
-        char    reserved2[7];
-        u16     bbu3;
-        u16     bbu2;
-        u16     bbu1;
-        char    xLocationLabel[8];
-        u8      xRsvd1[6];
-        u16     xFrameId;
-        u8      xRsvd2[48];
-};
-extern struct ItExtVpdPanel     xItExtVpdPanel;
-#endif /* _ASM_POWERPC_ISERIES_IT_EXT_VPD_PANEL_H */
diff --git a/include/asm-powerpc/iseries/it_lp_naca.h b/include/asm-powerpc/iseries/it_lp_naca.h
deleted file mode 100644
index 4fdcf052927f..000000000000
--- a/include/asm-powerpc/iseries/it_lp_naca.h
+++ /dev/null
@@ -1,80 +0,0 @@
-/*
- * Copyright (C) 2001  Mike Corrigan IBM Corporation
- *
- * 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 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, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
- */
-#ifndef _ASM_POWERPC_ISERIES_IT_LP_NACA_H
-#define _ASM_POWERPC_ISERIES_IT_LP_NACA_H
-#include <linux/types.h>
-/*
- *      This control block contains the data that is shared between the
- *      hypervisor (PLIC) and the OS.
- */
-struct ItLpNaca {
-// CACHE_LINE_1 0x0000 - 0x007F Contains read-only data
-        u32     xDesc;                  // Eye catcher                  x00-x03
-        u16     xSize;                  // Size of this class           x04-x05
-        u16     xIntHdlrOffset;         // Offset to IntHdlr array      x06-x07
-        u8      xMaxIntHdlrEntries;     // Number of entries in array   x08-x08
-        u8      xPrimaryLpIndex;        // LP Index of Primary          x09-x09
-        u8      xServiceLpIndex;        // LP Ind of Service Focal Pointx0A-x0A
-        u8      xLpIndex;               // LP Index                     x0B-x0B
-        u16     xMaxLpQueues;           // Number of allocated queues   x0C-x0D
-        u16     xLpQueueOffset;         // Offset to start of LP queues x0E-x0F
-        u8      xPirEnvironMode;        // Piranha or hardware          x10-x10
-        u8      xPirConsoleMode;        // Piranha console indicator    x11-x11
-        u8      xPirDasdMode;           // Piranha dasd indicator       x12-x12
-        u8      xRsvd1_0[5];            // Reserved for Piranha related x13-x17
-        u8      flags;                  // flags, see below             x18-x1F
-        u8      xSpVpdFormat;           // VPD areas are in CSP format  ...
-        u8      xIntProcRatio;          // Ratio of int procs to procs  ...
-        u8      xRsvd1_2[5];            // Reserved                     ...
-        u16     xRsvd1_3;               // Reserved                     x20-x21
-        u16     xPlicVrmIndex;          // VRM index of PLIC            x22-x23
-        u16     xMinSupportedSlicVrmInd;// Min supported OS VRM index   x24-x25
-        u16     xMinCompatableSlicVrmInd;// Min compatible OS VRM index x26-x27
-        u64     xLoadAreaAddr;          // ER address of load area      x28-x2F
-        u32     xLoadAreaChunks;        // Chunks for the load area     x30-x33
-        u32     xPaseSysCallCRMask;     // Mask used to test CR before  x34-x37
-                                        // doing an ASR switch on PASE
-                                        // system call.
-        u64     xSlicSegmentTablePtr;   // Pointer to Slic seg table.   x38-x3f
-        u8      xRsvd1_4[64];           //                              x40-x7F
-// CACHE_LINE_2 0x0080 - 0x00FF Contains local read-write data
-        u8      xRsvd2_0[128];          // Reserved                     x00-x7F
-// CACHE_LINE_3-6 0x0100 - 0x02FF Contains LP Queue indicators
-// NB: Padding required to keep xInterrruptHdlr at x300 which is required
-// for v4r4 PLIC.
-        u8      xOldLpQueue[128];       // LP Queue needed for v4r4     100-17F
-        u8      xRsvd3_0[384];          // Reserved                     180-2FF
-// CACHE_LINE_7-8 0x0300 - 0x03FF Contains the address of the OS interrupt
-//  handlers
-        u64     xInterruptHdlr[32];     // Interrupt handlers           300-x3FF
-};
-extern struct ItLpNaca          itLpNaca;
-#define ITLPNACA_LPAR           0x80    /* Is LPAR installed on the system */
-#define ITLPNACA_PARTITIONED    0x40    /* Is the system partitioned */
-#define ITLPNACA_HWSYNCEDTBS    0x20    /* Hardware synced TBs */
-#define ITLPNACA_HMTINT         0x10    /* Utilize MHT for interrupts */
-#endif /* _ASM_POWERPC_ISERIES_IT_LP_NACA_H */
diff --git a/include/asm-powerpc/iseries/it_lp_queue.h b/include/asm-powerpc/iseries/it_lp_queue.h
index 284c5a7db3ac..3f6814769295 100644
--- a/include/asm-powerpc/iseries/it_lp_queue.h
+++ b/include/asm-powerpc/iseries/it_lp_queue.h
@@ -27,8 +27,6 @@
 #include <asm/types.h>
 #include <asm/ptrace.h>
-struct HvLpEvent;
 #define IT_LP_MAX_QUEUES        8
 #define IT_LP_NOT_USED          0       /* Queue will not be used by PLIC */
diff --git a/include/asm-powerpc/iseries/vio.h b/include/asm-powerpc/iseries/vio.h
index 72a97d37aac3..7a95d296abd1 100644
--- a/include/asm-powerpc/iseries/vio.h
+++ b/include/asm-powerpc/iseries/vio.h
@@ -122,6 +122,34 @@ enum viorc {
        viorc_openRejected = 0x0301
 };
+/*
+ * The structure of the events that flow between us and OS/400 for chario
+ * events.  You can't mess with this unless the OS/400 side changes too.
+ */
+struct viocharlpevent {
+        struct HvLpEvent event;
+        u32 reserved;
+        u16 version;
+        u16 subtype_result_code;
+        u8 virtual_device;
+        u8 len;
+        u8 data[VIOCHAR_MAX_DATA];
+};
+#define VIOCHAR_WINDOW          10
+enum viocharsubtype {
+        viocharopen = 0x0001,
+        viocharclose = 0x0002,
+        viochardata = 0x0003,
+        viocharack = 0x0004,
+        viocharconfig = 0x0005
+};
+enum viochar_rc {
+        viochar_rc_ebusy = 1
+};
 struct device;
 extern struct device *iSeries_vio_dev;
diff --git a/include/asm-powerpc/lppaca.h b/include/asm-powerpc/lppaca.h
index 4dc514aabfe7..821ea0c512b4 100644
--- a/include/asm-powerpc/lppaca.h
+++ b/include/asm-powerpc/lppaca.h
@@ -27,7 +27,9 @@
 //
 //
 //----------------------------------------------------------------------------
+#include <linux/cache.h>
 #include <asm/types.h>
+#include <asm/mmu.h>
 /* The Hypervisor barfs if the lppaca crosses a page boundary.  A 1k
 * alignment is sufficient to prevent this */
@@ -114,7 +116,7 @@ struct lppaca {
 //=============================================================================
-// CACHE_LINE_3 0x0100 - 0x007F: This line is shared with other processors
+// CACHE_LINE_3 0x0100 - 0x017F: This line is shared with other processors
 //=============================================================================
        // This is the yield_count.  An "odd" value (low bit on) means that
        // the processor is yielded (either because of an OS yield or a PLIC
@@ -126,12 +128,29 @@ struct lppaca {
        u8      reserved6[124];         // Reserved                     x04-x7F
 //=============================================================================
-// CACHE_LINE_4-5 0x0100 - 0x01FF Contains PMC interrupt data
+// CACHE_LINE_4-5 0x0180 - 0x027F Contains PMC interrupt data
 //=============================================================================
        u8      pmc_save_area[256];     // PMC interrupt Area           x00-xFF
 } __attribute__((__aligned__(0x400)));
 extern struct lppaca lppaca[];
+/*
+ * SLB shadow buffer structure as defined in the PAPR.  The save_area
+ * contains adjacent ESID and VSID pairs for each shadowed SLB.  The
+ * ESID is stored in the lower 64bits, then the VSID.
+ */
+struct slb_shadow {
+        u32     persistent;             // Number of persistent SLBs    x00-x03
+        u32     buffer_length;          // Total shadow buffer length   x04-x07
+        u64     reserved;               // Alignment                    x08-x0f
+        struct  {
+                u64     esid;
+                u64     vsid;
+        } save_area[SLB_NUM_BOLTED];    //                              x10-x40
+} ____cacheline_aligned;
+extern struct slb_shadow slb_shadow[];
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_LPPACA_H */
diff --git a/include/asm-powerpc/paca.h b/include/asm-powerpc/paca.h
index 2d4585f06209..7ffa2512524e 100644
--- a/include/asm-powerpc/paca.h
+++ b/include/asm-powerpc/paca.h
@@ -23,6 +23,7 @@
 register struct paca_struct *local_paca asm("r13");
 #define get_paca()      local_paca
 #define get_lppaca()    (get_paca()->lppaca_ptr)
+#define get_slb_shadow()        (get_paca()->slb_shadow_ptr)
 struct task_struct;
@@ -98,6 +99,8 @@ struct paca_struct {
        u64 user_time;                  /* accumulated usermode TB ticks */
        u64 system_time;                /* accumulated system TB ticks */
        u64 startpurr;                  /* PURR/TB value snapshot */
+        struct slb_shadow *slb_shadow_ptr;
 };
 extern struct paca_struct paca[];
diff --git a/include/asm-powerpc/processor.h b/include/asm-powerpc/processor.h
index 22e54a2a6604..6cb6fb19e57f 100644
--- a/include/asm-powerpc/processor.h
+++ b/include/asm-powerpc/processor.h
@@ -32,6 +32,7 @@
 #define _CHRP_Motorola  0x04    /* motorola chrp, the cobra */
 #define _CHRP_IBM       0x05    /* IBM chrp, the longtrail and longtrail 2 */
 #define _CHRP_Pegasos   0x06    /* Genesi/bplan's Pegasos and Pegasos2 */
+#define _CHRP_briq      0x07    /* TotalImpact's briQ */
 #if defined(__KERNEL__) && defined(CONFIG_PPC32)
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index d0fa1b9aed35..c15e66a2e681 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -72,8 +72,8 @@ struct property {
 };
 struct device_node {
-        char    *name;
+        const char *name;
-        char    *type;
+        const char *type;
        phandle node;
        phandle linux_phandle;
        char    *full_name;
@@ -160,7 +160,7 @@ extern void unflatten_device_tree(void);
 extern void early_init_devtree(void *);
 extern int device_is_compatible(struct device_node *device, const char *);
 extern int machine_is_compatible(const char *compat);
-extern void *get_property(struct device_node *node, const char *name,
+extern const void *get_property(struct device_node *node, const char *name,
                int *lenp);
 extern void print_properties(struct device_node *node);
 extern int prom_n_addr_cells(struct device_node* np);
@@ -198,7 +198,7 @@ extern int release_OF_resource(struct device_node* node, int index);
 /* Helper to read a big number */
-static inline u64 of_read_number(u32 *cell, int size)
+static inline u64 of_read_number(const u32 *cell, int size)
 {
        u64 r = 0;
        while (size--)
@@ -209,15 +209,15 @@ static inline u64 of_read_number(u32 *cell, int size)
 /* Translate an OF address block into a CPU physical address
 */
 #define OF_BAD_ADDR     ((u64)-1)
-extern u64 of_translate_address(struct device_node *np, u32 *addr);
+extern u64 of_translate_address(struct device_node *np, const u32 *addr);
 /* Extract an address from a device, returns the region size and
 * the address space flags too. The PCI version uses a BAR number
 * instead of an absolute index
 */
-extern u32 *of_get_address(struct device_node *dev, int index,
+extern const u32 *of_get_address(struct device_node *dev, int index,
                           u64 *size, unsigned int *flags);
-extern u32 *of_get_pci_address(struct device_node *dev, int bar_no,
+extern const u32 *of_get_pci_address(struct device_node *dev, int bar_no,
                               u64 *size, unsigned int *flags);
 /* Get an address as a resource. Note that if your address is
@@ -234,7 +234,7 @@ extern int of_pci_address_to_resource(struct device_node *dev, int bar,
 /* Parse the ibm,dma-window property of an OF node into the busno, phys and
 * size parameters.
 */
-void of_parse_dma_window(struct device_node *dn, unsigned char *dma_window_prop,
+void of_parse_dma_window(struct device_node *dn, const void *dma_window_prop,
                unsigned long *busno, unsigned long *phys, unsigned long *size);
 extern void kdump_move_device_tree(void);
@@ -259,7 +259,7 @@ struct of_irq {
        u32 specifier[OF_MAX_IRQ_SPEC]; /* Specifier copy */
 };
-/***
+/**
 * of_irq_map_init - Initialize the irq remapper
 * @flags:      flags defining workarounds to enable
 *
@@ -272,7 +272,7 @@ struct of_irq {
 extern void of_irq_map_init(unsigned int flags);
-/***
+/**
 * of_irq_map_raw - Low level interrupt tree parsing
 * @parent:     the device interrupt parent
 * @intspec:    interrupt specifier ("interrupts" property of the device)
@@ -289,12 +289,12 @@ extern void of_irq_map_init(unsigned int flags);
 *
 */
-extern int of_irq_map_raw(struct device_node *parent, u32 *intspec,
+extern int of_irq_map_raw(struct device_node *parent, const u32 *intspec,
-                          u32 ointsize, u32 *addr,
+                          u32 ointsize, const u32 *addr,
                          struct of_irq *out_irq);
-/***
+/**
 * of_irq_map_one - Resolve an interrupt for a device
 * @device:     the device whose interrupt is to be resolved
 * @index:      index of the interrupt to resolve
@@ -307,7 +307,7 @@ extern int of_irq_map_raw(struct device_node *parent, u32 *intspec,
 extern int of_irq_map_one(struct device_node *device, int index,
                          struct of_irq *out_irq);
-/***
+/**
 * of_irq_map_pci - Resolve the interrupt for a PCI device
 * @pdev:       the device whose interrupt is to be resolved
 * @out_irq:    structure of_irq filled by this function
diff --git a/include/asm-powerpc/rtas.h b/include/asm-powerpc/rtas.h
index 82a27e9a041f..d34f9e1f242c 100644
--- a/include/asm-powerpc/rtas.h
+++ b/include/asm-powerpc/rtas.h
@@ -230,5 +230,21 @@ extern unsigned long rtas_rmo_buf;
 #define GLOBAL_INTERRUPT_QUEUE 9005
+/**
+ * rtas_config_addr - Format a busno, devfn and reg for RTAS.
+ * @busno: The bus number.
+ * @devfn: The device and function number as encoded by PCI_DEVFN().
+ * @reg: The register number.
+ *
+ * This function encodes the given busno, devfn and register number as
+ * required for RTAS calls that take a "config_addr" parameter.
+ * See PAPR requirement 7.3.4-1 for more info.
+ */
+static inline u32 rtas_config_addr(int busno, int devfn, int reg)
+{
+        return ((reg & 0xf00) << 20) | ((busno & 0xff) << 16) |
+                        (devfn << 8) | (reg & 0xff);
+}
 #endif /* __KERNEL__ */
 #endif /* _POWERPC_RTAS_H */
diff --git a/include/asm-powerpc/smu.h b/include/asm-powerpc/smu.h
index 51e65fc46a03..e49f644ca63a 100644
--- a/include/asm-powerpc/smu.h
+++ b/include/asm-powerpc/smu.h
@@ -517,7 +517,7 @@ struct smu_sdbp_cpupiddata {
 * This returns the pointer to an SMU "sdb" partition data or NULL
 * if not found. The data format is described below
 */
-extern struct smu_sdbp_header *smu_get_sdb_partition(int id,
+extern const struct smu_sdbp_header *smu_get_sdb_partition(int id,
                                        unsigned int *size);
 /* Get "sdb" partition data from an SMU satellite */
diff --git a/include/asm-powerpc/spu.h b/include/asm-powerpc/spu.h
index c02d105d8294..b42b53c40f5d 100644
--- a/include/asm-powerpc/spu.h
+++ b/include/asm-powerpc/spu.h
@@ -106,7 +106,7 @@ struct spu_context;
 struct spu_runqueue;
 struct spu {
-        char *name;
+        const char *name;
        unsigned long local_store_phys;
        u8 *local_store;
        unsigned long problem_phys;
diff --git a/include/asm-powerpc/system.h b/include/asm-powerpc/system.h
index 4c9f5229e833..4b41deaa8d8d 100644
--- a/include/asm-powerpc/system.h
+++ b/include/asm-powerpc/system.h
@@ -177,11 +177,6 @@ extern u32 booke_wdt_enabled;
 extern u32 booke_wdt_period;
 #endif /* CONFIG_BOOKE_WDT */
-/* EBCDIC -> ASCII conversion for [0-9A-Z] on iSeries */
-extern unsigned char e2a(unsigned char);
-extern unsigned char* strne2a(unsigned char *dest,
-                const unsigned char *src, size_t n);
 struct device_node;
 extern void note_scsi_host(struct device_node *, void *);
diff --git a/include/asm-powerpc/vio.h b/include/asm-powerpc/vio.h
index dc9bd101ca14..4b51d42e1419 100644
--- a/include/asm-powerpc/vio.h
+++ b/include/asm-powerpc/vio.h
@@ -46,8 +46,8 @@ struct iommu_table;
 */
 struct vio_dev {
        struct iommu_table *iommu_table;     /* vio_map_* uses this */
-        char *name;
+        const char *name;
-        char *type;
+        const char *type;
        uint32_t unit_address;
        unsigned int irq;
        struct device dev;