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-rw-r--r--arch/powerpc/include/asm/barrier.h33
-rw-r--r--arch/powerpc/include/asm/book3s/32/hash.h (renamed from arch/powerpc/include/asm/pte-hash32.h)6
-rw-r--r--arch/powerpc/include/asm/book3s/32/pgtable.h482
-rw-r--r--arch/powerpc/include/asm/book3s/64/hash-4k.h132
-rw-r--r--arch/powerpc/include/asm/book3s/64/hash-64k.h300
-rw-r--r--arch/powerpc/include/asm/book3s/64/hash.h547
-rw-r--r--arch/powerpc/include/asm/book3s/64/pgtable.h301
-rw-r--r--arch/powerpc/include/asm/book3s/pgtable.h29
-rw-r--r--arch/powerpc/include/asm/cpm.h44
-rw-r--r--arch/powerpc/include/asm/dma-mapping.h2
-rw-r--r--arch/powerpc/include/asm/exception-64s.h40
-rw-r--r--arch/powerpc/include/asm/fadump.h2
-rw-r--r--arch/powerpc/include/asm/firmware.h5
-rw-r--r--arch/powerpc/include/asm/hvcall.h20
-rw-r--r--arch/powerpc/include/asm/icswx.h1
-rw-r--r--arch/powerpc/include/asm/immap_qe.h491
-rw-r--r--arch/powerpc/include/asm/io.h11
-rw-r--r--arch/powerpc/include/asm/kvm_book3s.h4
-rw-r--r--arch/powerpc/include/asm/kvm_host.h11
-rw-r--r--arch/powerpc/include/asm/kvm_ppc.h2
-rw-r--r--arch/powerpc/include/asm/mmu-hash64.h2
-rw-r--r--arch/powerpc/include/asm/nohash/32/pgtable.h (renamed from arch/powerpc/include/asm/pgtable-ppc32.h)25
-rw-r--r--arch/powerpc/include/asm/nohash/32/pte-40x.h (renamed from arch/powerpc/include/asm/pte-40x.h)6
-rw-r--r--arch/powerpc/include/asm/nohash/32/pte-44x.h (renamed from arch/powerpc/include/asm/pte-44x.h)6
-rw-r--r--arch/powerpc/include/asm/nohash/32/pte-8xx.h (renamed from arch/powerpc/include/asm/pte-8xx.h)6
-rw-r--r--arch/powerpc/include/asm/nohash/32/pte-fsl-booke.h (renamed from arch/powerpc/include/asm/pte-fsl-booke.h)6
-rw-r--r--arch/powerpc/include/asm/nohash/64/pgtable-4k.h (renamed from arch/powerpc/include/asm/pgtable-ppc64-4k.h)12
-rw-r--r--arch/powerpc/include/asm/nohash/64/pgtable-64k.h (renamed from arch/powerpc/include/asm/pgtable-ppc64-64k.h)27
-rw-r--r--arch/powerpc/include/asm/nohash/64/pgtable.h (renamed from arch/powerpc/include/asm/pgtable-ppc64.h)336
-rw-r--r--arch/powerpc/include/asm/nohash/pgtable.h252
-rw-r--r--arch/powerpc/include/asm/nohash/pte-book3e.h (renamed from arch/powerpc/include/asm/pte-book3e.h)6
-rw-r--r--arch/powerpc/include/asm/opal-api.h3
-rw-r--r--arch/powerpc/include/asm/opal.h3
-rw-r--r--arch/powerpc/include/asm/paca.h29
-rw-r--r--arch/powerpc/include/asm/page.h86
-rw-r--r--arch/powerpc/include/asm/pci-bridge.h1
-rw-r--r--arch/powerpc/include/asm/pci.h4
-rw-r--r--arch/powerpc/include/asm/pgalloc-32.h34
-rw-r--r--arch/powerpc/include/asm/pgalloc-64.h27
-rw-r--r--arch/powerpc/include/asm/pgtable.h200
-rw-r--r--arch/powerpc/include/asm/plpar_wrappers.h17
-rw-r--r--arch/powerpc/include/asm/ppc_asm.h18
-rw-r--r--arch/powerpc/include/asm/processor.h9
-rw-r--r--arch/powerpc/include/asm/pte-common.h5
-rw-r--r--arch/powerpc/include/asm/pte-hash64-4k.h17
-rw-r--r--arch/powerpc/include/asm/pte-hash64-64k.h102
-rw-r--r--arch/powerpc/include/asm/pte-hash64.h54
-rw-r--r--arch/powerpc/include/asm/qe.h740
-rw-r--r--arch/powerpc/include/asm/qe_ic.h139
-rw-r--r--arch/powerpc/include/asm/reg.h17
-rw-r--r--arch/powerpc/include/asm/rtas.h3
-rw-r--r--arch/powerpc/include/asm/switch_to.h65
-rw-r--r--arch/powerpc/include/asm/systbl.h1
-rw-r--r--arch/powerpc/include/asm/time.h1
-rw-r--r--arch/powerpc/include/asm/trace.h8
-rw-r--r--arch/powerpc/include/asm/uaccess.h15
-rw-r--r--arch/powerpc/include/asm/ucc.h64
-rw-r--r--arch/powerpc/include/asm/ucc_fast.h244
-rw-r--r--arch/powerpc/include/asm/ucc_slow.h277
-rw-r--r--arch/powerpc/include/asm/unistd.h3
-rw-r--r--arch/powerpc/include/asm/vdso_datapage.h2
61 files changed, 2397 insertions, 2938 deletions
diff --git a/arch/powerpc/include/asm/barrier.h b/arch/powerpc/include/asm/barrier.h
index 0eca6efc0..c0deafc21 100644
--- a/arch/powerpc/include/asm/barrier.h
+++ b/arch/powerpc/include/asm/barrier.h
@@ -34,8 +34,6 @@
#define rmb() __asm__ __volatile__ ("sync" : : : "memory")
#define wmb() __asm__ __volatile__ ("sync" : : : "memory")
-#define smp_store_mb(var, value) do { WRITE_ONCE(var, value); mb(); } while (0)
-
#ifdef __SUBARCH_HAS_LWSYNC
# define SMPWMB LWSYNC
#else
@@ -46,22 +44,11 @@
#define dma_rmb() __lwsync()
#define dma_wmb() __asm__ __volatile__ (stringify_in_c(SMPWMB) : : :"memory")
-#ifdef CONFIG_SMP
-#define smp_lwsync() __lwsync()
-
-#define smp_mb() mb()
-#define smp_rmb() __lwsync()
-#define smp_wmb() __asm__ __volatile__ (stringify_in_c(SMPWMB) : : :"memory")
-#else
-#define smp_lwsync() barrier()
+#define __smp_lwsync() __lwsync()
-#define smp_mb() barrier()
-#define smp_rmb() barrier()
-#define smp_wmb() barrier()
-#endif /* CONFIG_SMP */
-
-#define read_barrier_depends() do { } while (0)
-#define smp_read_barrier_depends() do { } while (0)
+#define __smp_mb() mb()
+#define __smp_rmb() __lwsync()
+#define __smp_wmb() __asm__ __volatile__ (stringify_in_c(SMPWMB) : : :"memory")
/*
* This is a barrier which prevents following instructions from being
@@ -72,23 +59,23 @@
#define data_barrier(x) \
asm volatile("twi 0,%0,0; isync" : : "r" (x) : "memory");
-#define smp_store_release(p, v) \
+#define __smp_store_release(p, v) \
do { \
compiletime_assert_atomic_type(*p); \
- smp_lwsync(); \
+ __smp_lwsync(); \
WRITE_ONCE(*p, v); \
} while (0)
-#define smp_load_acquire(p) \
+#define __smp_load_acquire(p) \
({ \
typeof(*p) ___p1 = READ_ONCE(*p); \
compiletime_assert_atomic_type(*p); \
- smp_lwsync(); \
+ __smp_lwsync(); \
___p1; \
})
-#define smp_mb__before_atomic() smp_mb()
-#define smp_mb__after_atomic() smp_mb()
#define smp_mb__before_spinlock() smp_mb()
+#include <asm-generic/barrier.h>
+
#endif /* _ASM_POWERPC_BARRIER_H */
diff --git a/arch/powerpc/include/asm/pte-hash32.h b/arch/powerpc/include/asm/book3s/32/hash.h
index 62cfb0c66..264b754d6 100644
--- a/arch/powerpc/include/asm/pte-hash32.h
+++ b/arch/powerpc/include/asm/book3s/32/hash.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_POWERPC_PTE_HASH32_H
-#define _ASM_POWERPC_PTE_HASH32_H
+#ifndef _ASM_POWERPC_BOOK3S_32_HASH_H
+#define _ASM_POWERPC_BOOK3S_32_HASH_H
#ifdef __KERNEL__
/*
@@ -43,4 +43,4 @@
#define PTE_ATOMIC_UPDATES 1
#endif /* __KERNEL__ */
-#endif /* _ASM_POWERPC_PTE_HASH32_H */
+#endif /* _ASM_POWERPC_BOOK3S_32_HASH_H */
diff --git a/arch/powerpc/include/asm/book3s/32/pgtable.h b/arch/powerpc/include/asm/book3s/32/pgtable.h
new file mode 100644
index 000000000..38b33dcfc
--- /dev/null
+++ b/arch/powerpc/include/asm/book3s/32/pgtable.h
@@ -0,0 +1,482 @@
+#ifndef _ASM_POWERPC_BOOK3S_32_PGTABLE_H
+#define _ASM_POWERPC_BOOK3S_32_PGTABLE_H
+
+#include <asm-generic/pgtable-nopmd.h>
+
+#include <asm/book3s/32/hash.h>
+
+/* And here we include common definitions */
+#include <asm/pte-common.h>
+
+/*
+ * The normal case is that PTEs are 32-bits and we have a 1-page
+ * 1024-entry pgdir pointing to 1-page 1024-entry PTE pages. -- paulus
+ *
+ * For any >32-bit physical address platform, we can use the following
+ * two level page table layout where the pgdir is 8KB and the MS 13 bits
+ * are an index to the second level table. The combined pgdir/pmd first
+ * level has 2048 entries and the second level has 512 64-bit PTE entries.
+ * -Matt
+ */
+/* PGDIR_SHIFT determines what a top-level page table entry can map */
+#define PGDIR_SHIFT (PAGE_SHIFT + PTE_SHIFT)
+#define PGDIR_SIZE (1UL << PGDIR_SHIFT)
+#define PGDIR_MASK (~(PGDIR_SIZE-1))
+
+#define PTRS_PER_PTE (1 << PTE_SHIFT)
+#define PTRS_PER_PMD 1
+#define PTRS_PER_PGD (1 << (32 - PGDIR_SHIFT))
+
+#define USER_PTRS_PER_PGD (TASK_SIZE / PGDIR_SIZE)
+/*
+ * This is the bottom of the PKMAP area with HIGHMEM or an arbitrary
+ * value (for now) on others, from where we can start layout kernel
+ * virtual space that goes below PKMAP and FIXMAP
+ */
+#ifdef CONFIG_HIGHMEM
+#define KVIRT_TOP PKMAP_BASE
+#else
+#define KVIRT_TOP (0xfe000000UL) /* for now, could be FIXMAP_BASE ? */
+#endif
+
+/*
+ * ioremap_bot starts at that address. Early ioremaps move down from there,
+ * until mem_init() at which point this becomes the top of the vmalloc
+ * and ioremap space
+ */
+#ifdef CONFIG_NOT_COHERENT_CACHE
+#define IOREMAP_TOP ((KVIRT_TOP - CONFIG_CONSISTENT_SIZE) & PAGE_MASK)
+#else
+#define IOREMAP_TOP KVIRT_TOP
+#endif
+
+/*
+ * Just any arbitrary offset to the start of the vmalloc VM area: the
+ * current 16MB value just means that there will be a 64MB "hole" after the
+ * physical memory until the kernel virtual memory starts. That means that
+ * any out-of-bounds memory accesses will hopefully be caught.
+ * The vmalloc() routines leaves a hole of 4kB between each vmalloced
+ * area for the same reason. ;)
+ *
+ * We no longer map larger than phys RAM with the BATs so we don't have
+ * to worry about the VMALLOC_OFFSET causing problems. We do have to worry
+ * about clashes between our early calls to ioremap() that start growing down
+ * from ioremap_base being run into the VM area allocations (growing upwards
+ * from VMALLOC_START). For this reason we have ioremap_bot to check when
+ * we actually run into our mappings setup in the early boot with the VM
+ * system. This really does become a problem for machines with good amounts
+ * of RAM. -- Cort
+ */
+#define VMALLOC_OFFSET (0x1000000) /* 16M */
+#ifdef PPC_PIN_SIZE
+#define VMALLOC_START (((_ALIGN((long)high_memory, PPC_PIN_SIZE) + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)))
+#else
+#define VMALLOC_START ((((long)high_memory + VMALLOC_OFFSET) & ~(VMALLOC_OFFSET-1)))
+#endif
+#define VMALLOC_END ioremap_bot
+
+#ifndef __ASSEMBLY__
+#include <linux/sched.h>
+#include <linux/threads.h>
+#include <asm/io.h> /* For sub-arch specific PPC_PIN_SIZE */
+
+extern unsigned long ioremap_bot;
+
+/*
+ * entries per page directory level: our page-table tree is two-level, so
+ * we don't really have any PMD directory.
+ */
+#define PTE_TABLE_SIZE (sizeof(pte_t) << PTE_SHIFT)
+#define PGD_TABLE_SIZE (sizeof(pgd_t) << (32 - PGDIR_SHIFT))
+
+#define pte_ERROR(e) \
+ pr_err("%s:%d: bad pte %llx.\n", __FILE__, __LINE__, \
+ (unsigned long long)pte_val(e))
+#define pgd_ERROR(e) \
+ pr_err("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e))
+/*
+ * Bits in a linux-style PTE. These match the bits in the
+ * (hardware-defined) PowerPC PTE as closely as possible.
+ */
+
+#define pte_clear(mm, addr, ptep) \
+ do { pte_update(ptep, ~_PAGE_HASHPTE, 0); } while (0)
+
+#define pmd_none(pmd) (!pmd_val(pmd))
+#define pmd_bad(pmd) (pmd_val(pmd) & _PMD_BAD)
+#define pmd_present(pmd) (pmd_val(pmd) & _PMD_PRESENT_MASK)
+static inline void pmd_clear(pmd_t *pmdp)
+{
+ *pmdp = __pmd(0);
+}
+
+
+/*
+ * When flushing the tlb entry for a page, we also need to flush the hash
+ * table entry. flush_hash_pages is assembler (for speed) in hashtable.S.
+ */
+extern int flush_hash_pages(unsigned context, unsigned long va,
+ unsigned long pmdval, int count);
+
+/* Add an HPTE to the hash table */
+extern void add_hash_page(unsigned context, unsigned long va,
+ unsigned long pmdval);
+
+/* Flush an entry from the TLB/hash table */
+extern void flush_hash_entry(struct mm_struct *mm, pte_t *ptep,
+ unsigned long address);
+
+/*
+ * PTE updates. This function is called whenever an existing
+ * valid PTE is updated. This does -not- include set_pte_at()
+ * which nowadays only sets a new PTE.
+ *
+ * Depending on the type of MMU, we may need to use atomic updates
+ * and the PTE may be either 32 or 64 bit wide. In the later case,
+ * when using atomic updates, only the low part of the PTE is
+ * accessed atomically.
+ *
+ * In addition, on 44x, we also maintain a global flag indicating
+ * that an executable user mapping was modified, which is needed
+ * to properly flush the virtually tagged instruction cache of
+ * those implementations.
+ */
+#ifndef CONFIG_PTE_64BIT
+static inline unsigned long pte_update(pte_t *p,
+ unsigned long clr,
+ unsigned long set)
+{
+ unsigned long old, tmp;
+
+ __asm__ __volatile__("\
+1: lwarx %0,0,%3\n\
+ andc %1,%0,%4\n\
+ or %1,%1,%5\n"
+ PPC405_ERR77(0,%3)
+" stwcx. %1,0,%3\n\
+ bne- 1b"
+ : "=&r" (old), "=&r" (tmp), "=m" (*p)
+ : "r" (p), "r" (clr), "r" (set), "m" (*p)
+ : "cc" );
+
+ return old;
+}
+#else /* CONFIG_PTE_64BIT */
+static inline unsigned long long pte_update(pte_t *p,
+ unsigned long clr,
+ unsigned long set)
+{
+ unsigned long long old;
+ unsigned long tmp;
+
+ __asm__ __volatile__("\
+1: lwarx %L0,0,%4\n\
+ lwzx %0,0,%3\n\
+ andc %1,%L0,%5\n\
+ or %1,%1,%6\n"
+ PPC405_ERR77(0,%3)
+" stwcx. %1,0,%4\n\
+ bne- 1b"
+ : "=&r" (old), "=&r" (tmp), "=m" (*p)
+ : "r" (p), "r" ((unsigned long)(p) + 4), "r" (clr), "r" (set), "m" (*p)
+ : "cc" );
+
+ return old;
+}
+#endif /* CONFIG_PTE_64BIT */
+
+/*
+ * 2.6 calls this without flushing the TLB entry; this is wrong
+ * for our hash-based implementation, we fix that up here.
+ */
+#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
+static inline int __ptep_test_and_clear_young(unsigned int context, unsigned long addr, pte_t *ptep)
+{
+ unsigned long old;
+ old = pte_update(ptep, _PAGE_ACCESSED, 0);
+ if (old & _PAGE_HASHPTE) {
+ unsigned long ptephys = __pa(ptep) & PAGE_MASK;
+ flush_hash_pages(context, addr, ptephys, 1);
+ }
+ return (old & _PAGE_ACCESSED) != 0;
+}
+#define ptep_test_and_clear_young(__vma, __addr, __ptep) \
+ __ptep_test_and_clear_young((__vma)->vm_mm->context.id, __addr, __ptep)
+
+#define __HAVE_ARCH_PTEP_GET_AND_CLEAR
+static inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep)
+{
+ return __pte(pte_update(ptep, ~_PAGE_HASHPTE, 0));
+}
+
+#define __HAVE_ARCH_PTEP_SET_WRPROTECT
+static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep)
+{
+ pte_update(ptep, (_PAGE_RW | _PAGE_HWWRITE), _PAGE_RO);
+}
+static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
+ unsigned long addr, pte_t *ptep)
+{
+ ptep_set_wrprotect(mm, addr, ptep);
+}
+
+
+static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry)
+{
+ unsigned long set = pte_val(entry) &
+ (_PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_RW | _PAGE_EXEC);
+ unsigned long clr = ~pte_val(entry) & _PAGE_RO;
+
+ pte_update(ptep, clr, set);
+}
+
+#define __HAVE_ARCH_PTE_SAME
+#define pte_same(A,B) (((pte_val(A) ^ pte_val(B)) & ~_PAGE_HASHPTE) == 0)
+
+/*
+ * Note that on Book E processors, the pmd contains the kernel virtual
+ * (lowmem) address of the pte page. The physical address is less useful
+ * because everything runs with translation enabled (even the TLB miss
+ * handler). On everything else the pmd contains the physical address
+ * of the pte page. -- paulus
+ */
+#ifndef CONFIG_BOOKE
+#define pmd_page_vaddr(pmd) \
+ ((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
+#define pmd_page(pmd) \
+ pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT)
+#else
+#define pmd_page_vaddr(pmd) \
+ ((unsigned long) (pmd_val(pmd) & PAGE_MASK))
+#define pmd_page(pmd) \
+ pfn_to_page((__pa(pmd_val(pmd)) >> PAGE_SHIFT))
+#endif
+
+/* to find an entry in a kernel page-table-directory */
+#define pgd_offset_k(address) pgd_offset(&init_mm, address)
+
+/* to find an entry in a page-table-directory */
+#define pgd_index(address) ((address) >> PGDIR_SHIFT)
+#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address))
+
+/* Find an entry in the third-level page table.. */
+#define pte_index(address) \
+ (((address) >> PAGE_SHIFT) & (PTRS_PER_PTE - 1))
+#define pte_offset_kernel(dir, addr) \
+ ((pte_t *) pmd_page_vaddr(*(dir)) + pte_index(addr))
+#define pte_offset_map(dir, addr) \
+ ((pte_t *) kmap_atomic(pmd_page(*(dir))) + pte_index(addr))
+#define pte_unmap(pte) kunmap_atomic(pte)
+
+/*
+ * Encode and decode a swap entry.
+ * Note that the bits we use in a PTE for representing a swap entry
+ * must not include the _PAGE_PRESENT bit or the _PAGE_HASHPTE bit (if used).
+ * -- paulus
+ */
+#define __swp_type(entry) ((entry).val & 0x1f)
+#define __swp_offset(entry) ((entry).val >> 5)
+#define __swp_entry(type, offset) ((swp_entry_t) { (type) | ((offset) << 5) })
+#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) >> 3 })
+#define __swp_entry_to_pte(x) ((pte_t) { (x).val << 3 })
+
+#ifndef CONFIG_PPC_4K_PAGES
+void pgtable_cache_init(void);
+#else
+/*
+ * No page table caches to initialise
+ */
+#define pgtable_cache_init() do { } while (0)
+#endif
+
+extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep,
+ pmd_t **pmdp);
+
+/* Generic accessors to PTE bits */
+static inline int pte_write(pte_t pte) { return !!(pte_val(pte) & _PAGE_RW);}
+static inline int pte_dirty(pte_t pte) { return !!(pte_val(pte) & _PAGE_DIRTY); }
+static inline int pte_young(pte_t pte) { return !!(pte_val(pte) & _PAGE_ACCESSED); }
+static inline int pte_special(pte_t pte) { return !!(pte_val(pte) & _PAGE_SPECIAL); }
+static inline int pte_none(pte_t pte) { return (pte_val(pte) & ~_PTE_NONE_MASK) == 0; }
+static inline pgprot_t pte_pgprot(pte_t pte) { return __pgprot(pte_val(pte) & PAGE_PROT_BITS); }
+
+static inline int pte_present(pte_t pte)
+{
+ return pte_val(pte) & _PAGE_PRESENT;
+}
+
+/* Conversion functions: convert a page and protection to a page entry,
+ * and a page entry and page directory to the page they refer to.
+ *
+ * Even if PTEs can be unsigned long long, a PFN is always an unsigned
+ * long for now.
+ */
+static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot)
+{
+ return __pte(((pte_basic_t)(pfn) << PTE_RPN_SHIFT) |
+ pgprot_val(pgprot));
+}
+
+static inline unsigned long pte_pfn(pte_t pte)
+{
+ return pte_val(pte) >> PTE_RPN_SHIFT;
+}
+
+/* Generic modifiers for PTE bits */
+static inline pte_t pte_wrprotect(pte_t pte)
+{
+ return __pte(pte_val(pte) & ~_PAGE_RW);
+}
+
+static inline pte_t pte_mkclean(pte_t pte)
+{
+ return __pte(pte_val(pte) & ~_PAGE_DIRTY);
+}
+
+static inline pte_t pte_mkold(pte_t pte)
+{
+ return __pte(pte_val(pte) & ~_PAGE_ACCESSED);
+}
+
+static inline pte_t pte_mkwrite(pte_t pte)
+{
+ return __pte(pte_val(pte) | _PAGE_RW);
+}
+
+static inline pte_t pte_mkdirty(pte_t pte)
+{
+ return __pte(pte_val(pte) | _PAGE_DIRTY);
+}
+
+static inline pte_t pte_mkyoung(pte_t pte)
+{
+ return __pte(pte_val(pte) | _PAGE_ACCESSED);
+}
+
+static inline pte_t pte_mkspecial(pte_t pte)
+{
+ return __pte(pte_val(pte) | _PAGE_SPECIAL);
+}
+
+static inline pte_t pte_mkhuge(pte_t pte)
+{
+ return pte;
+}
+
+static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
+{
+ return __pte((pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot));
+}
+
+
+
+/* This low level function performs the actual PTE insertion
+ * Setting the PTE depends on the MMU type and other factors. It's
+ * an horrible mess that I'm not going to try to clean up now but
+ * I'm keeping it in one place rather than spread around
+ */
+static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t pte, int percpu)
+{
+#if defined(CONFIG_PPC_STD_MMU_32) && defined(CONFIG_SMP) && !defined(CONFIG_PTE_64BIT)
+ /* First case is 32-bit Hash MMU in SMP mode with 32-bit PTEs. We use the
+ * helper pte_update() which does an atomic update. We need to do that
+ * because a concurrent invalidation can clear _PAGE_HASHPTE. If it's a
+ * per-CPU PTE such as a kmap_atomic, we do a simple update preserving
+ * the hash bits instead (ie, same as the non-SMP case)
+ */
+ if (percpu)
+ *ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE)
+ | (pte_val(pte) & ~_PAGE_HASHPTE));
+ else
+ pte_update(ptep, ~_PAGE_HASHPTE, pte_val(pte));
+
+#elif defined(CONFIG_PPC32) && defined(CONFIG_PTE_64BIT)
+ /* Second case is 32-bit with 64-bit PTE. In this case, we
+ * can just store as long as we do the two halves in the right order
+ * with a barrier in between. This is possible because we take care,
+ * in the hash code, to pre-invalidate if the PTE was already hashed,
+ * which synchronizes us with any concurrent invalidation.
+ * In the percpu case, we also fallback to the simple update preserving
+ * the hash bits
+ */
+ if (percpu) {
+ *ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE)
+ | (pte_val(pte) & ~_PAGE_HASHPTE));
+ return;
+ }
+ if (pte_val(*ptep) & _PAGE_HASHPTE)
+ flush_hash_entry(mm, ptep, addr);
+ __asm__ __volatile__("\
+ stw%U0%X0 %2,%0\n\
+ eieio\n\
+ stw%U0%X0 %L2,%1"
+ : "=m" (*ptep), "=m" (*((unsigned char *)ptep+4))
+ : "r" (pte) : "memory");
+
+#elif defined(CONFIG_PPC_STD_MMU_32)
+ /* Third case is 32-bit hash table in UP mode, we need to preserve
+ * the _PAGE_HASHPTE bit since we may not have invalidated the previous
+ * translation in the hash yet (done in a subsequent flush_tlb_xxx())
+ * and see we need to keep track that this PTE needs invalidating
+ */
+ *ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE)
+ | (pte_val(pte) & ~_PAGE_HASHPTE));
+
+#else
+#error "Not supported "
+#endif
+}
+
+/*
+ * Macro to mark a page protection value as "uncacheable".
+ */
+
+#define _PAGE_CACHE_CTL (_PAGE_COHERENT | _PAGE_GUARDED | _PAGE_NO_CACHE | \
+ _PAGE_WRITETHRU)
+
+#define pgprot_noncached pgprot_noncached
+static inline pgprot_t pgprot_noncached(pgprot_t prot)
+{
+ return __pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) |
+ _PAGE_NO_CACHE | _PAGE_GUARDED);
+}
+
+#define pgprot_noncached_wc pgprot_noncached_wc
+static inline pgprot_t pgprot_noncached_wc(pgprot_t prot)
+{
+ return __pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) |
+ _PAGE_NO_CACHE);
+}
+
+#define pgprot_cached pgprot_cached
+static inline pgprot_t pgprot_cached(pgprot_t prot)
+{
+ return __pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) |
+ _PAGE_COHERENT);
+}
+
+#define pgprot_cached_wthru pgprot_cached_wthru
+static inline pgprot_t pgprot_cached_wthru(pgprot_t prot)
+{
+ return __pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) |
+ _PAGE_COHERENT | _PAGE_WRITETHRU);
+}
+
+#define pgprot_cached_noncoherent pgprot_cached_noncoherent
+static inline pgprot_t pgprot_cached_noncoherent(pgprot_t prot)
+{
+ return __pgprot(pgprot_val(prot) & ~_PAGE_CACHE_CTL);
+}
+
+#define pgprot_writecombine pgprot_writecombine
+static inline pgprot_t pgprot_writecombine(pgprot_t prot)
+{
+ return pgprot_noncached_wc(prot);
+}
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* _ASM_POWERPC_BOOK3S_32_PGTABLE_H */
diff --git a/arch/powerpc/include/asm/book3s/64/hash-4k.h b/arch/powerpc/include/asm/book3s/64/hash-4k.h
new file mode 100644
index 000000000..ea0414d66
--- /dev/null
+++ b/arch/powerpc/include/asm/book3s/64/hash-4k.h
@@ -0,0 +1,132 @@
+#ifndef _ASM_POWERPC_BOOK3S_64_HASH_4K_H
+#define _ASM_POWERPC_BOOK3S_64_HASH_4K_H
+/*
+ * Entries per page directory level. The PTE level must use a 64b record
+ * for each page table entry. The PMD and PGD level use a 32b record for
+ * each entry by assuming that each entry is page aligned.
+ */
+#define PTE_INDEX_SIZE 9
+#define PMD_INDEX_SIZE 7
+#define PUD_INDEX_SIZE 9
+#define PGD_INDEX_SIZE 9
+
+#ifndef __ASSEMBLY__
+#define PTE_TABLE_SIZE (sizeof(pte_t) << PTE_INDEX_SIZE)
+#define PMD_TABLE_SIZE (sizeof(pmd_t) << PMD_INDEX_SIZE)
+#define PUD_TABLE_SIZE (sizeof(pud_t) << PUD_INDEX_SIZE)
+#define PGD_TABLE_SIZE (sizeof(pgd_t) << PGD_INDEX_SIZE)
+#endif /* __ASSEMBLY__ */
+
+#define PTRS_PER_PTE (1 << PTE_INDEX_SIZE)
+#define PTRS_PER_PMD (1 << PMD_INDEX_SIZE)
+#define PTRS_PER_PUD (1 << PUD_INDEX_SIZE)
+#define PTRS_PER_PGD (1 << PGD_INDEX_SIZE)
+
+/* PMD_SHIFT determines what a second-level page table entry can map */
+#define PMD_SHIFT (PAGE_SHIFT + PTE_INDEX_SIZE)
+#define PMD_SIZE (1UL << PMD_SHIFT)
+#define PMD_MASK (~(PMD_SIZE-1))
+
+/* With 4k base page size, hugepage PTEs go at the PMD level */
+#define MIN_HUGEPTE_SHIFT PMD_SHIFT
+
+/* PUD_SHIFT determines what a third-level page table entry can map */
+#define PUD_SHIFT (PMD_SHIFT + PMD_INDEX_SIZE)
+#define PUD_SIZE (1UL << PUD_SHIFT)
+#define PUD_MASK (~(PUD_SIZE-1))
+
+/* PGDIR_SHIFT determines what a fourth-level page table entry can map */
+#define PGDIR_SHIFT (PUD_SHIFT + PUD_INDEX_SIZE)
+#define PGDIR_SIZE (1UL << PGDIR_SHIFT)
+#define PGDIR_MASK (~(PGDIR_SIZE-1))
+
+/* Bits to mask out from a PMD to get to the PTE page */
+#define PMD_MASKED_BITS 0
+/* Bits to mask out from a PUD to get to the PMD page */
+#define PUD_MASKED_BITS 0
+/* Bits to mask out from a PGD to get to the PUD page */
+#define PGD_MASKED_BITS 0
+
+/* PTE flags to conserve for HPTE identification */
+#define _PAGE_HPTEFLAGS (_PAGE_BUSY | _PAGE_HASHPTE | \
+ _PAGE_F_SECOND | _PAGE_F_GIX)
+
+/* shift to put page number into pte */
+#define PTE_RPN_SHIFT (18)
+
+#define _PAGE_4K_PFN 0
+#ifndef __ASSEMBLY__
+/*
+ * 4-level page tables related bits
+ */
+
+#define pgd_none(pgd) (!pgd_val(pgd))
+#define pgd_bad(pgd) (pgd_val(pgd) == 0)
+#define pgd_present(pgd) (pgd_val(pgd) != 0)
+#define pgd_page_vaddr(pgd) (pgd_val(pgd) & ~PGD_MASKED_BITS)
+
+static inline void pgd_clear(pgd_t *pgdp)
+{
+ *pgdp = __pgd(0);
+}
+
+static inline pte_t pgd_pte(pgd_t pgd)
+{
+ return __pte(pgd_val(pgd));
+}
+
+static inline pgd_t pte_pgd(pte_t pte)
+{
+ return __pgd(pte_val(pte));
+}
+extern struct page *pgd_page(pgd_t pgd);
+
+#define pud_offset(pgdp, addr) \
+ (((pud_t *) pgd_page_vaddr(*(pgdp))) + \
+ (((addr) >> PUD_SHIFT) & (PTRS_PER_PUD - 1)))
+
+#define pud_ERROR(e) \
+ pr_err("%s:%d: bad pud %08lx.\n", __FILE__, __LINE__, pud_val(e))
+
+/*
+ * On all 4K setups, remap_4k_pfn() equates to remap_pfn_range() */
+#define remap_4k_pfn(vma, addr, pfn, prot) \
+ remap_pfn_range((vma), (addr), (pfn), PAGE_SIZE, (prot))
+
+#ifdef CONFIG_HUGETLB_PAGE
+/*
+ * For 4k page size, we support explicit hugepage via hugepd
+ */
+static inline int pmd_huge(pmd_t pmd)
+{
+ return 0;
+}
+
+static inline int pud_huge(pud_t pud)
+{
+ return 0;
+}
+
+static inline int pgd_huge(pgd_t pgd)
+{
+ return 0;
+}
+#define pgd_huge pgd_huge
+
+static inline int hugepd_ok(hugepd_t hpd)
+{
+ /*
+ * if it is not a pte and have hugepd shift mask
+ * set, then it is a hugepd directory pointer
+ */
+ if (!(hpd.pd & _PAGE_PTE) &&
+ ((hpd.pd & HUGEPD_SHIFT_MASK) != 0))
+ return true;
+ return false;
+}
+#define is_hugepd(hpd) (hugepd_ok(hpd))
+#endif
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* _ASM_POWERPC_BOOK3S_64_HASH_4K_H */
diff --git a/arch/powerpc/include/asm/book3s/64/hash-64k.h b/arch/powerpc/include/asm/book3s/64/hash-64k.h
new file mode 100644
index 000000000..849bbec80
--- /dev/null
+++ b/arch/powerpc/include/asm/book3s/64/hash-64k.h
@@ -0,0 +1,300 @@
+#ifndef _ASM_POWERPC_BOOK3S_64_HASH_64K_H
+#define _ASM_POWERPC_BOOK3S_64_HASH_64K_H
+
+#include <asm-generic/pgtable-nopud.h>
+
+#define PTE_INDEX_SIZE 8
+#define PMD_INDEX_SIZE 10
+#define PUD_INDEX_SIZE 0
+#define PGD_INDEX_SIZE 12
+
+#define PTRS_PER_PTE (1 << PTE_INDEX_SIZE)
+#define PTRS_PER_PMD (1 << PMD_INDEX_SIZE)
+#define PTRS_PER_PGD (1 << PGD_INDEX_SIZE)
+
+/* With 4k base page size, hugepage PTEs go at the PMD level */
+#define MIN_HUGEPTE_SHIFT PAGE_SHIFT
+
+/* PMD_SHIFT determines what a second-level page table entry can map */
+#define PMD_SHIFT (PAGE_SHIFT + PTE_INDEX_SIZE)
+#define PMD_SIZE (1UL << PMD_SHIFT)
+#define PMD_MASK (~(PMD_SIZE-1))
+
+/* PGDIR_SHIFT determines what a third-level page table entry can map */
+#define PGDIR_SHIFT (PMD_SHIFT + PMD_INDEX_SIZE)
+#define PGDIR_SIZE (1UL << PGDIR_SHIFT)
+#define PGDIR_MASK (~(PGDIR_SIZE-1))
+
+#define _PAGE_COMBO 0x00040000 /* this is a combo 4k page */
+#define _PAGE_4K_PFN 0x00080000 /* PFN is for a single 4k page */
+/*
+ * Used to track subpage group valid if _PAGE_COMBO is set
+ * This overloads _PAGE_F_GIX and _PAGE_F_SECOND
+ */
+#define _PAGE_COMBO_VALID (_PAGE_F_GIX | _PAGE_F_SECOND)
+
+/* PTE flags to conserve for HPTE identification */
+#define _PAGE_HPTEFLAGS (_PAGE_BUSY | _PAGE_F_SECOND | \
+ _PAGE_F_GIX | _PAGE_HASHPTE | _PAGE_COMBO)
+
+/* Shift to put page number into pte.
+ *
+ * That gives us a max RPN of 34 bits, which means a max of 50 bits
+ * of addressable physical space, or 46 bits for the special 4k PFNs.
+ */
+#define PTE_RPN_SHIFT (30)
+/*
+ * we support 16 fragments per PTE page of 64K size.
+ */
+#define PTE_FRAG_NR 16
+/*
+ * We use a 2K PTE page fragment and another 2K for storing
+ * real_pte_t hash index
+ */
+#define PTE_FRAG_SIZE_SHIFT 12
+#define PTE_FRAG_SIZE (1UL << PTE_FRAG_SIZE_SHIFT)
+
+/*
+ * Bits to mask out from a PMD to get to the PTE page
+ * PMDs point to PTE table fragments which are PTE_FRAG_SIZE aligned.
+ */
+#define PMD_MASKED_BITS (PTE_FRAG_SIZE - 1)
+/* Bits to mask out from a PGD/PUD to get to the PMD page */
+#define PUD_MASKED_BITS 0x1ff
+
+#ifndef __ASSEMBLY__
+
+/*
+ * With 64K pages on hash table, we have a special PTE format that
+ * uses a second "half" of the page table to encode sub-page information
+ * in order to deal with 64K made of 4K HW pages. Thus we override the
+ * generic accessors and iterators here
+ */
+#define __real_pte __real_pte
+static inline real_pte_t __real_pte(pte_t pte, pte_t *ptep)
+{
+ real_pte_t rpte;
+ unsigned long *hidxp;
+
+ rpte.pte = pte;
+ rpte.hidx = 0;
+ if (pte_val(pte) & _PAGE_COMBO) {
+ /*
+ * Make sure we order the hidx load against the _PAGE_COMBO
+ * check. The store side ordering is done in __hash_page_4K
+ */
+ smp_rmb();
+ hidxp = (unsigned long *)(ptep + PTRS_PER_PTE);
+ rpte.hidx = *hidxp;
+ }
+ return rpte;
+}
+
+static inline unsigned long __rpte_to_hidx(real_pte_t rpte, unsigned long index)
+{
+ if ((pte_val(rpte.pte) & _PAGE_COMBO))
+ return (rpte.hidx >> (index<<2)) & 0xf;
+ return (pte_val(rpte.pte) >> _PAGE_F_GIX_SHIFT) & 0xf;
+}
+
+#define __rpte_to_pte(r) ((r).pte)
+extern bool __rpte_sub_valid(real_pte_t rpte, unsigned long index);
+/*
+ * Trick: we set __end to va + 64k, which happens works for
+ * a 16M page as well as we want only one iteration
+ */
+#define pte_iterate_hashed_subpages(rpte, psize, vpn, index, shift) \
+ do { \
+ unsigned long __end = vpn + (1UL << (PAGE_SHIFT - VPN_SHIFT)); \
+ unsigned __split = (psize == MMU_PAGE_4K || \
+ psize == MMU_PAGE_64K_AP); \
+ shift = mmu_psize_defs[psize].shift; \
+ for (index = 0; vpn < __end; index++, \
+ vpn += (1L << (shift - VPN_SHIFT))) { \
+ if (!__split || __rpte_sub_valid(rpte, index)) \
+ do {
+
+#define pte_iterate_hashed_end() } while(0); } } while(0)
+
+#define pte_pagesize_index(mm, addr, pte) \
+ (((pte) & _PAGE_COMBO)? MMU_PAGE_4K: MMU_PAGE_64K)
+
+#define remap_4k_pfn(vma, addr, pfn, prot) \
+ (WARN_ON(((pfn) >= (1UL << (64 - PTE_RPN_SHIFT)))) ? -EINVAL : \
+ remap_pfn_range((vma), (addr), (pfn), PAGE_SIZE, \
+ __pgprot(pgprot_val((prot)) | _PAGE_4K_PFN)))
+
+#define PTE_TABLE_SIZE PTE_FRAG_SIZE
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+#define PMD_TABLE_SIZE ((sizeof(pmd_t) << PMD_INDEX_SIZE) + (sizeof(unsigned long) << PMD_INDEX_SIZE))
+#else
+#define PMD_TABLE_SIZE (sizeof(pmd_t) << PMD_INDEX_SIZE)
+#endif
+#define PGD_TABLE_SIZE (sizeof(pgd_t) << PGD_INDEX_SIZE)
+
+#define pgd_pte(pgd) (pud_pte(((pud_t){ pgd })))
+#define pte_pgd(pte) ((pgd_t)pte_pud(pte))
+
+#ifdef CONFIG_HUGETLB_PAGE
+/*
+ * We have PGD_INDEX_SIZ = 12 and PTE_INDEX_SIZE = 8, so that we can have
+ * 16GB hugepage pte in PGD and 16MB hugepage pte at PMD;
+ *
+ * Defined in such a way that we can optimize away code block at build time
+ * if CONFIG_HUGETLB_PAGE=n.
+ */
+static inline int pmd_huge(pmd_t pmd)
+{
+ /*
+ * leaf pte for huge page
+ */
+ return !!(pmd_val(pmd) & _PAGE_PTE);
+}
+
+static inline int pud_huge(pud_t pud)
+{
+ /*
+ * leaf pte for huge page
+ */
+ return !!(pud_val(pud) & _PAGE_PTE);
+}
+
+static inline int pgd_huge(pgd_t pgd)
+{
+ /*
+ * leaf pte for huge page
+ */
+ return !!(pgd_val(pgd) & _PAGE_PTE);
+}
+#define pgd_huge pgd_huge
+
+#ifdef CONFIG_DEBUG_VM
+extern int hugepd_ok(hugepd_t hpd);
+#define is_hugepd(hpd) (hugepd_ok(hpd))
+#else
+/*
+ * With 64k page size, we have hugepage ptes in the pgd and pmd entries. We don't
+ * need to setup hugepage directory for them. Our pte and page directory format
+ * enable us to have this enabled.
+ */
+static inline int hugepd_ok(hugepd_t hpd)
+{
+ return 0;
+}
+#define is_hugepd(pdep) 0
+#endif /* CONFIG_DEBUG_VM */
+
+#endif /* CONFIG_HUGETLB_PAGE */
+
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+extern unsigned long pmd_hugepage_update(struct mm_struct *mm,
+ unsigned long addr,
+ pmd_t *pmdp,
+ unsigned long clr,
+ unsigned long set);
+static inline char *get_hpte_slot_array(pmd_t *pmdp)
+{
+ /*
+ * The hpte hindex is stored in the pgtable whose address is in the
+ * second half of the PMD
+ *
+ * Order this load with the test for pmd_trans_huge in the caller
+ */
+ smp_rmb();
+ return *(char **)(pmdp + PTRS_PER_PMD);
+
+
+}
+/*
+ * The linux hugepage PMD now include the pmd entries followed by the address
+ * to the stashed pgtable_t. The stashed pgtable_t contains the hpte bits.
+ * [ 1 bit secondary | 3 bit hidx | 1 bit valid | 000]. We use one byte per
+ * each HPTE entry. With 16MB hugepage and 64K HPTE we need 256 entries and
+ * with 4K HPTE we need 4096 entries. Both will fit in a 4K pgtable_t.
+ *
+ * The last three bits are intentionally left to zero. This memory location
+ * are also used as normal page PTE pointers. So if we have any pointers
+ * left around while we collapse a hugepage, we need to make sure
+ * _PAGE_PRESENT bit of that is zero when we look at them
+ */
+static inline unsigned int hpte_valid(unsigned char *hpte_slot_array, int index)
+{
+ return (hpte_slot_array[index] >> 3) & 0x1;
+}
+
+static inline unsigned int hpte_hash_index(unsigned char *hpte_slot_array,
+ int index)
+{
+ return hpte_slot_array[index] >> 4;
+}
+
+static inline void mark_hpte_slot_valid(unsigned char *hpte_slot_array,
+ unsigned int index, unsigned int hidx)
+{
+ hpte_slot_array[index] = hidx << 4 | 0x1 << 3;
+}
+
+/*
+ *
+ * For core kernel code by design pmd_trans_huge is never run on any hugetlbfs
+ * page. The hugetlbfs page table walking and mangling paths are totally
+ * separated form the core VM paths and they're differentiated by
+ * VM_HUGETLB being set on vm_flags well before any pmd_trans_huge could run.
+ *
+ * pmd_trans_huge() is defined as false at build time if
+ * CONFIG_TRANSPARENT_HUGEPAGE=n to optimize away code blocks at build
+ * time in such case.
+ *
+ * For ppc64 we need to differntiate from explicit hugepages from THP, because
+ * for THP we also track the subpage details at the pmd level. We don't do
+ * that for explicit huge pages.
+ *
+ */
+static inline int pmd_trans_huge(pmd_t pmd)
+{
+ return !!((pmd_val(pmd) & (_PAGE_PTE | _PAGE_THP_HUGE)) ==
+ (_PAGE_PTE | _PAGE_THP_HUGE));
+}
+
+static inline int pmd_large(pmd_t pmd)
+{
+ return !!(pmd_val(pmd) & _PAGE_PTE);
+}
+
+static inline pmd_t pmd_mknotpresent(pmd_t pmd)
+{
+ return __pmd(pmd_val(pmd) & ~_PAGE_PRESENT);
+}
+
+#define __HAVE_ARCH_PMD_SAME
+static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b)
+{
+ return (((pmd_val(pmd_a) ^ pmd_val(pmd_b)) & ~_PAGE_HPTEFLAGS) == 0);
+}
+
+static inline int __pmdp_test_and_clear_young(struct mm_struct *mm,
+ unsigned long addr, pmd_t *pmdp)
+{
+ unsigned long old;
+
+ if ((pmd_val(*pmdp) & (_PAGE_ACCESSED | _PAGE_HASHPTE)) == 0)
+ return 0;
+ old = pmd_hugepage_update(mm, addr, pmdp, _PAGE_ACCESSED, 0);
+ return ((old & _PAGE_ACCESSED) != 0);
+}
+
+#define __HAVE_ARCH_PMDP_SET_WRPROTECT
+static inline void pmdp_set_wrprotect(struct mm_struct *mm, unsigned long addr,
+ pmd_t *pmdp)
+{
+
+ if ((pmd_val(*pmdp) & _PAGE_RW) == 0)
+ return;
+
+ pmd_hugepage_update(mm, addr, pmdp, _PAGE_RW, 0);
+}
+
+#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
+#endif /* __ASSEMBLY__ */
+
+#endif /* _ASM_POWERPC_BOOK3S_64_HASH_64K_H */
diff --git a/arch/powerpc/include/asm/book3s/64/hash.h b/arch/powerpc/include/asm/book3s/64/hash.h
new file mode 100644
index 000000000..8d1c8162f
--- /dev/null
+++ b/arch/powerpc/include/asm/book3s/64/hash.h
@@ -0,0 +1,547 @@
+#ifndef _ASM_POWERPC_BOOK3S_64_HASH_H
+#define _ASM_POWERPC_BOOK3S_64_HASH_H
+#ifdef __KERNEL__
+
+/*
+ * Common bits between 4K and 64K pages in a linux-style PTE.
+ * These match the bits in the (hardware-defined) PowerPC PTE as closely
+ * as possible. Additional bits may be defined in pgtable-hash64-*.h
+ *
+ * Note: We only support user read/write permissions. Supervisor always
+ * have full read/write to pages above PAGE_OFFSET (pages below that
+ * always use the user access permissions).
+ *
+ * We could create separate kernel read-only if we used the 3 PP bits
+ * combinations that newer processors provide but we currently don't.
+ */
+#define _PAGE_PTE 0x00001
+#define _PAGE_PRESENT 0x00002 /* software: pte contains a translation */
+#define _PAGE_BIT_SWAP_TYPE 2
+#define _PAGE_USER 0x00004 /* matches one of the PP bits */
+#define _PAGE_EXEC 0x00008 /* No execute on POWER4 and newer (we invert) */
+#define _PAGE_GUARDED 0x00010
+/* We can derive Memory coherence from _PAGE_NO_CACHE */
+#define _PAGE_COHERENT 0x0
+#define _PAGE_NO_CACHE 0x00020 /* I: cache inhibit */
+#define _PAGE_WRITETHRU 0x00040 /* W: cache write-through */
+#define _PAGE_DIRTY 0x00080 /* C: page changed */
+#define _PAGE_ACCESSED 0x00100 /* R: page referenced */
+#define _PAGE_RW 0x00200 /* software: user write access allowed */
+#define _PAGE_HASHPTE 0x00400 /* software: pte has an associated HPTE */
+#define _PAGE_BUSY 0x00800 /* software: PTE & hash are busy */
+#define _PAGE_F_GIX 0x07000 /* full page: hidx bits */
+#define _PAGE_F_GIX_SHIFT 12
+#define _PAGE_F_SECOND 0x08000 /* Whether to use secondary hash or not */
+#define _PAGE_SPECIAL 0x10000 /* software: special page */
+
+#ifdef CONFIG_MEM_SOFT_DIRTY
+#define _PAGE_SOFT_DIRTY 0x20000 /* software: software dirty tracking */
+#else
+#define _PAGE_SOFT_DIRTY 0x00000
+#endif
+
+/*
+ * We need to differentiate between explicit huge page and THP huge
+ * page, since THP huge page also need to track real subpage details
+ */
+#define _PAGE_THP_HUGE _PAGE_4K_PFN
+
+/*
+ * set of bits not changed in pmd_modify.
+ */
+#define _HPAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \
+ _PAGE_ACCESSED | _PAGE_THP_HUGE | _PAGE_PTE | \
+ _PAGE_SOFT_DIRTY)
+
+
+#ifdef CONFIG_PPC_64K_PAGES
+#include <asm/book3s/64/hash-64k.h>
+#else
+#include <asm/book3s/64/hash-4k.h>
+#endif
+
+/*
+ * Size of EA range mapped by our pagetables.
+ */
+#define PGTABLE_EADDR_SIZE (PTE_INDEX_SIZE + PMD_INDEX_SIZE + \
+ PUD_INDEX_SIZE + PGD_INDEX_SIZE + PAGE_SHIFT)
+#define PGTABLE_RANGE (ASM_CONST(1) << PGTABLE_EADDR_SIZE)
+
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+#define PMD_CACHE_INDEX (PMD_INDEX_SIZE + 1)
+#else
+#define PMD_CACHE_INDEX PMD_INDEX_SIZE
+#endif
+/*
+ * Define the address range of the kernel non-linear virtual area
+ */
+#define KERN_VIRT_START ASM_CONST(0xD000000000000000)
+#define KERN_VIRT_SIZE ASM_CONST(0x0000100000000000)
+
+/*
+ * The vmalloc space starts at the beginning of that region, and
+ * occupies half of it on hash CPUs and a quarter of it on Book3E
+ * (we keep a quarter for the virtual memmap)
+ */
+#define VMALLOC_START KERN_VIRT_START
+#define VMALLOC_SIZE (KERN_VIRT_SIZE >> 1)
+#define VMALLOC_END (VMALLOC_START + VMALLOC_SIZE)
+
+/*
+ * Region IDs
+ */
+#define REGION_SHIFT 60UL
+#define REGION_MASK (0xfUL << REGION_SHIFT)
+#define REGION_ID(ea) (((unsigned long)(ea)) >> REGION_SHIFT)
+
+#define VMALLOC_REGION_ID (REGION_ID(VMALLOC_START))
+#define KERNEL_REGION_ID (REGION_ID(PAGE_OFFSET))
+#define VMEMMAP_REGION_ID (0xfUL) /* Server only */
+#define USER_REGION_ID (0UL)
+
+/*
+ * Defines the address of the vmemap area, in its own region on
+ * hash table CPUs.
+ */
+#define VMEMMAP_BASE (VMEMMAP_REGION_ID << REGION_SHIFT)
+
+#ifdef CONFIG_PPC_MM_SLICES
+#define HAVE_ARCH_UNMAPPED_AREA
+#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN
+#endif /* CONFIG_PPC_MM_SLICES */
+
+/* No separate kernel read-only */
+#define _PAGE_KERNEL_RW (_PAGE_RW | _PAGE_DIRTY) /* user access blocked by key */
+#define _PAGE_KERNEL_RO _PAGE_KERNEL_RW
+#define _PAGE_KERNEL_RWX (_PAGE_DIRTY | _PAGE_RW | _PAGE_EXEC)
+
+/* Strong Access Ordering */
+#define _PAGE_SAO (_PAGE_WRITETHRU | _PAGE_NO_CACHE | _PAGE_COHERENT)
+
+/* No page size encoding in the linux PTE */
+#define _PAGE_PSIZE 0
+
+/* PTEIDX nibble */
+#define _PTEIDX_SECONDARY 0x8
+#define _PTEIDX_GROUP_IX 0x7
+
+/* Hash table based platforms need atomic updates of the linux PTE */
+#define PTE_ATOMIC_UPDATES 1
+#define _PTE_NONE_MASK _PAGE_HPTEFLAGS
+/*
+ * The mask convered by the RPN must be a ULL on 32-bit platforms with
+ * 64-bit PTEs
+ */
+#define PTE_RPN_MASK (~((1UL << PTE_RPN_SHIFT) - 1))
+/*
+ * _PAGE_CHG_MASK masks of bits that are to be preserved across
+ * pgprot changes
+ */
+#define _PAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | _PAGE_DIRTY | \
+ _PAGE_ACCESSED | _PAGE_SPECIAL | _PAGE_PTE | \
+ _PAGE_SOFT_DIRTY)
+/*
+ * Mask of bits returned by pte_pgprot()
+ */
+#define PAGE_PROT_BITS (_PAGE_GUARDED | _PAGE_COHERENT | _PAGE_NO_CACHE | \
+ _PAGE_WRITETHRU | _PAGE_4K_PFN | \
+ _PAGE_USER | _PAGE_ACCESSED | \
+ _PAGE_RW | _PAGE_DIRTY | _PAGE_EXEC | \
+ _PAGE_SOFT_DIRTY)
+/*
+ * We define 2 sets of base prot bits, one for basic pages (ie,
+ * cacheable kernel and user pages) and one for non cacheable
+ * pages. We always set _PAGE_COHERENT when SMP is enabled or
+ * the processor might need it for DMA coherency.
+ */
+#define _PAGE_BASE_NC (_PAGE_PRESENT | _PAGE_ACCESSED | _PAGE_PSIZE)
+#define _PAGE_BASE (_PAGE_BASE_NC | _PAGE_COHERENT)
+
+/* Permission masks used to generate the __P and __S table,
+ *
+ * Note:__pgprot is defined in arch/powerpc/include/asm/page.h
+ *
+ * Write permissions imply read permissions for now (we could make write-only
+ * pages on BookE but we don't bother for now). Execute permission control is
+ * possible on platforms that define _PAGE_EXEC
+ *
+ * Note due to the way vm flags are laid out, the bits are XWR
+ */
+#define PAGE_NONE __pgprot(_PAGE_BASE)
+#define PAGE_SHARED __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW)
+#define PAGE_SHARED_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_RW | \
+ _PAGE_EXEC)
+#define PAGE_COPY __pgprot(_PAGE_BASE | _PAGE_USER )
+#define PAGE_COPY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_EXEC)
+#define PAGE_READONLY __pgprot(_PAGE_BASE | _PAGE_USER )
+#define PAGE_READONLY_X __pgprot(_PAGE_BASE | _PAGE_USER | _PAGE_EXEC)
+
+#define __P000 PAGE_NONE
+#define __P001 PAGE_READONLY
+#define __P010 PAGE_COPY
+#define __P011 PAGE_COPY
+#define __P100 PAGE_READONLY_X
+#define __P101 PAGE_READONLY_X
+#define __P110 PAGE_COPY_X
+#define __P111 PAGE_COPY_X
+
+#define __S000 PAGE_NONE
+#define __S001 PAGE_READONLY
+#define __S010 PAGE_SHARED
+#define __S011 PAGE_SHARED
+#define __S100 PAGE_READONLY_X
+#define __S101 PAGE_READONLY_X
+#define __S110 PAGE_SHARED_X
+#define __S111 PAGE_SHARED_X
+
+/* Permission masks used for kernel mappings */
+#define PAGE_KERNEL __pgprot(_PAGE_BASE | _PAGE_KERNEL_RW)
+#define PAGE_KERNEL_NC __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | \
+ _PAGE_NO_CACHE)
+#define PAGE_KERNEL_NCG __pgprot(_PAGE_BASE_NC | _PAGE_KERNEL_RW | \
+ _PAGE_NO_CACHE | _PAGE_GUARDED)
+#define PAGE_KERNEL_X __pgprot(_PAGE_BASE | _PAGE_KERNEL_RWX)
+#define PAGE_KERNEL_RO __pgprot(_PAGE_BASE | _PAGE_KERNEL_RO)
+#define PAGE_KERNEL_ROX __pgprot(_PAGE_BASE | _PAGE_KERNEL_ROX)
+
+/* Protection used for kernel text. We want the debuggers to be able to
+ * set breakpoints anywhere, so don't write protect the kernel text
+ * on platforms where such control is possible.
+ */
+#if defined(CONFIG_KGDB) || defined(CONFIG_XMON) || defined(CONFIG_BDI_SWITCH) ||\
+ defined(CONFIG_KPROBES) || defined(CONFIG_DYNAMIC_FTRACE)
+#define PAGE_KERNEL_TEXT PAGE_KERNEL_X
+#else
+#define PAGE_KERNEL_TEXT PAGE_KERNEL_ROX
+#endif
+
+/* Make modules code happy. We don't set RO yet */
+#define PAGE_KERNEL_EXEC PAGE_KERNEL_X
+#define PAGE_AGP (PAGE_KERNEL_NC)
+
+#define PMD_BAD_BITS (PTE_TABLE_SIZE-1)
+#define PUD_BAD_BITS (PMD_TABLE_SIZE-1)
+
+#ifndef __ASSEMBLY__
+#define pmd_bad(pmd) (!is_kernel_addr(pmd_val(pmd)) \
+ || (pmd_val(pmd) & PMD_BAD_BITS))
+#define pmd_page_vaddr(pmd) (pmd_val(pmd) & ~PMD_MASKED_BITS)
+
+#define pud_bad(pud) (!is_kernel_addr(pud_val(pud)) \
+ || (pud_val(pud) & PUD_BAD_BITS))
+#define pud_page_vaddr(pud) (pud_val(pud) & ~PUD_MASKED_BITS)
+
+#define pgd_index(address) (((address) >> (PGDIR_SHIFT)) & (PTRS_PER_PGD - 1))
+#define pmd_index(address) (((address) >> (PMD_SHIFT)) & (PTRS_PER_PMD - 1))
+#define pte_index(address) (((address) >> (PAGE_SHIFT)) & (PTRS_PER_PTE - 1))
+
+extern void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, unsigned long pte, int huge);
+extern unsigned long htab_convert_pte_flags(unsigned long pteflags);
+/* Atomic PTE updates */
+static inline unsigned long pte_update(struct mm_struct *mm,
+ unsigned long addr,
+ pte_t *ptep, unsigned long clr,
+ unsigned long set,
+ int huge)
+{
+ unsigned long old, tmp;
+
+ __asm__ __volatile__(
+ "1: ldarx %0,0,%3 # pte_update\n\
+ andi. %1,%0,%6\n\
+ bne- 1b \n\
+ andc %1,%0,%4 \n\
+ or %1,%1,%7\n\
+ stdcx. %1,0,%3 \n\
+ bne- 1b"
+ : "=&r" (old), "=&r" (tmp), "=m" (*ptep)
+ : "r" (ptep), "r" (clr), "m" (*ptep), "i" (_PAGE_BUSY), "r" (set)
+ : "cc" );
+ /* huge pages use the old page table lock */
+ if (!huge)
+ assert_pte_locked(mm, addr);
+
+ if (old & _PAGE_HASHPTE)
+ hpte_need_flush(mm, addr, ptep, old, huge);
+
+ return old;
+}
+
+static inline int __ptep_test_and_clear_young(struct mm_struct *mm,
+ unsigned long addr, pte_t *ptep)
+{
+ unsigned long old;
+
+ if ((pte_val(*ptep) & (_PAGE_ACCESSED | _PAGE_HASHPTE)) == 0)
+ return 0;
+ old = pte_update(mm, addr, ptep, _PAGE_ACCESSED, 0, 0);
+ return (old & _PAGE_ACCESSED) != 0;
+}
+#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
+#define ptep_test_and_clear_young(__vma, __addr, __ptep) \
+({ \
+ int __r; \
+ __r = __ptep_test_and_clear_young((__vma)->vm_mm, __addr, __ptep); \
+ __r; \
+})
+
+#define __HAVE_ARCH_PTEP_SET_WRPROTECT
+static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep)
+{
+
+ if ((pte_val(*ptep) & _PAGE_RW) == 0)
+ return;
+
+ pte_update(mm, addr, ptep, _PAGE_RW, 0, 0);
+}
+
+static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
+ unsigned long addr, pte_t *ptep)
+{
+ if ((pte_val(*ptep) & _PAGE_RW) == 0)
+ return;
+
+ pte_update(mm, addr, ptep, _PAGE_RW, 0, 1);
+}
+
+/*
+ * We currently remove entries from the hashtable regardless of whether
+ * the entry was young or dirty. The generic routines only flush if the
+ * entry was young or dirty which is not good enough.
+ *
+ * We should be more intelligent about this but for the moment we override
+ * these functions and force a tlb flush unconditionally
+ */
+#define __HAVE_ARCH_PTEP_CLEAR_YOUNG_FLUSH
+#define ptep_clear_flush_young(__vma, __address, __ptep) \
+({ \
+ int __young = __ptep_test_and_clear_young((__vma)->vm_mm, __address, \
+ __ptep); \
+ __young; \
+})
+
+#define __HAVE_ARCH_PTEP_GET_AND_CLEAR
+static inline pte_t ptep_get_and_clear(struct mm_struct *mm,
+ unsigned long addr, pte_t *ptep)
+{
+ unsigned long old = pte_update(mm, addr, ptep, ~0UL, 0, 0);
+ return __pte(old);
+}
+
+static inline void pte_clear(struct mm_struct *mm, unsigned long addr,
+ pte_t * ptep)
+{
+ pte_update(mm, addr, ptep, ~0UL, 0, 0);
+}
+
+
+/* Set the dirty and/or accessed bits atomically in a linux PTE, this
+ * function doesn't need to flush the hash entry
+ */
+static inline void __ptep_set_access_flags(pte_t *ptep, pte_t entry)
+{
+ unsigned long bits = pte_val(entry) &
+ (_PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_RW | _PAGE_EXEC |
+ _PAGE_SOFT_DIRTY);
+
+ unsigned long old, tmp;
+
+ __asm__ __volatile__(
+ "1: ldarx %0,0,%4\n\
+ andi. %1,%0,%6\n\
+ bne- 1b \n\
+ or %0,%3,%0\n\
+ stdcx. %0,0,%4\n\
+ bne- 1b"
+ :"=&r" (old), "=&r" (tmp), "=m" (*ptep)
+ :"r" (bits), "r" (ptep), "m" (*ptep), "i" (_PAGE_BUSY)
+ :"cc");
+}
+
+#define __HAVE_ARCH_PTE_SAME
+#define pte_same(A,B) (((pte_val(A) ^ pte_val(B)) & ~_PAGE_HPTEFLAGS) == 0)
+
+/* Generic accessors to PTE bits */
+static inline int pte_write(pte_t pte) { return !!(pte_val(pte) & _PAGE_RW);}
+static inline int pte_dirty(pte_t pte) { return !!(pte_val(pte) & _PAGE_DIRTY); }
+static inline int pte_young(pte_t pte) { return !!(pte_val(pte) & _PAGE_ACCESSED); }
+static inline int pte_special(pte_t pte) { return !!(pte_val(pte) & _PAGE_SPECIAL); }
+static inline int pte_none(pte_t pte) { return (pte_val(pte) & ~_PTE_NONE_MASK) == 0; }
+static inline pgprot_t pte_pgprot(pte_t pte) { return __pgprot(pte_val(pte) & PAGE_PROT_BITS); }
+
+#ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY
+static inline bool pte_soft_dirty(pte_t pte)
+{
+ return !!(pte_val(pte) & _PAGE_SOFT_DIRTY);
+}
+static inline pte_t pte_mksoft_dirty(pte_t pte)
+{
+ return __pte(pte_val(pte) | _PAGE_SOFT_DIRTY);
+}
+
+static inline pte_t pte_clear_soft_dirty(pte_t pte)
+{
+ return __pte(pte_val(pte) & ~_PAGE_SOFT_DIRTY);
+}
+#endif /* CONFIG_HAVE_ARCH_SOFT_DIRTY */
+
+#ifdef CONFIG_NUMA_BALANCING
+/*
+ * These work without NUMA balancing but the kernel does not care. See the
+ * comment in include/asm-generic/pgtable.h . On powerpc, this will only
+ * work for user pages and always return true for kernel pages.
+ */
+static inline int pte_protnone(pte_t pte)
+{
+ return (pte_val(pte) &
+ (_PAGE_PRESENT | _PAGE_USER)) == _PAGE_PRESENT;
+}
+#endif /* CONFIG_NUMA_BALANCING */
+
+static inline int pte_present(pte_t pte)
+{
+ return pte_val(pte) & _PAGE_PRESENT;
+}
+
+/* Conversion functions: convert a page and protection to a page entry,
+ * and a page entry and page directory to the page they refer to.
+ *
+ * Even if PTEs can be unsigned long long, a PFN is always an unsigned
+ * long for now.
+ */
+static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot)
+{
+ return __pte(((pte_basic_t)(pfn) << PTE_RPN_SHIFT) |
+ pgprot_val(pgprot));
+}
+
+static inline unsigned long pte_pfn(pte_t pte)
+{
+ return pte_val(pte) >> PTE_RPN_SHIFT;
+}
+
+/* Generic modifiers for PTE bits */
+static inline pte_t pte_wrprotect(pte_t pte)
+{
+ return __pte(pte_val(pte) & ~_PAGE_RW);
+}
+
+static inline pte_t pte_mkclean(pte_t pte)
+{
+ return __pte(pte_val(pte) & ~_PAGE_DIRTY);
+}
+
+static inline pte_t pte_mkold(pte_t pte)
+{
+ return __pte(pte_val(pte) & ~_PAGE_ACCESSED);
+}
+
+static inline pte_t pte_mkwrite(pte_t pte)
+{
+ return __pte(pte_val(pte) | _PAGE_RW);
+}
+
+static inline pte_t pte_mkdirty(pte_t pte)
+{
+ return __pte(pte_val(pte) | _PAGE_DIRTY | _PAGE_SOFT_DIRTY);
+}
+
+static inline pte_t pte_mkyoung(pte_t pte)
+{
+ return __pte(pte_val(pte) | _PAGE_ACCESSED);
+}
+
+static inline pte_t pte_mkspecial(pte_t pte)
+{
+ return __pte(pte_val(pte) | _PAGE_SPECIAL);
+}
+
+static inline pte_t pte_mkhuge(pte_t pte)
+{
+ return pte;
+}
+
+static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
+{
+ return __pte((pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot));
+}
+
+/* This low level function performs the actual PTE insertion
+ * Setting the PTE depends on the MMU type and other factors. It's
+ * an horrible mess that I'm not going to try to clean up now but
+ * I'm keeping it in one place rather than spread around
+ */
+static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t pte, int percpu)
+{
+ /*
+ * Anything else just stores the PTE normally. That covers all 64-bit
+ * cases, and 32-bit non-hash with 32-bit PTEs.
+ */
+ *ptep = pte;
+}
+
+/*
+ * Macro to mark a page protection value as "uncacheable".
+ */
+
+#define _PAGE_CACHE_CTL (_PAGE_COHERENT | _PAGE_GUARDED | _PAGE_NO_CACHE | \
+ _PAGE_WRITETHRU)
+
+#define pgprot_noncached pgprot_noncached
+static inline pgprot_t pgprot_noncached(pgprot_t prot)
+{
+ return __pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) |
+ _PAGE_NO_CACHE | _PAGE_GUARDED);
+}
+
+#define pgprot_noncached_wc pgprot_noncached_wc
+static inline pgprot_t pgprot_noncached_wc(pgprot_t prot)
+{
+ return __pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) |
+ _PAGE_NO_CACHE);
+}
+
+#define pgprot_cached pgprot_cached
+static inline pgprot_t pgprot_cached(pgprot_t prot)
+{
+ return __pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) |
+ _PAGE_COHERENT);
+}
+
+#define pgprot_cached_wthru pgprot_cached_wthru
+static inline pgprot_t pgprot_cached_wthru(pgprot_t prot)
+{
+ return __pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) |
+ _PAGE_COHERENT | _PAGE_WRITETHRU);
+}
+
+#define pgprot_cached_noncoherent pgprot_cached_noncoherent
+static inline pgprot_t pgprot_cached_noncoherent(pgprot_t prot)
+{
+ return __pgprot(pgprot_val(prot) & ~_PAGE_CACHE_CTL);
+}
+
+#define pgprot_writecombine pgprot_writecombine
+static inline pgprot_t pgprot_writecombine(pgprot_t prot)
+{
+ return pgprot_noncached_wc(prot);
+}
+
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+extern void hpte_do_hugepage_flush(struct mm_struct *mm, unsigned long addr,
+ pmd_t *pmdp, unsigned long old_pmd);
+#else
+static inline void hpte_do_hugepage_flush(struct mm_struct *mm,
+ unsigned long addr, pmd_t *pmdp,
+ unsigned long old_pmd)
+{
+ WARN(1, "%s called with THP disabled\n", __func__);
+}
+#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
+
+#endif /* !__ASSEMBLY__ */
+#endif /* __KERNEL__ */
+#endif /* _ASM_POWERPC_BOOK3S_64_HASH_H */
diff --git a/arch/powerpc/include/asm/book3s/64/pgtable.h b/arch/powerpc/include/asm/book3s/64/pgtable.h
new file mode 100644
index 000000000..ac07a30a7
--- /dev/null
+++ b/arch/powerpc/include/asm/book3s/64/pgtable.h
@@ -0,0 +1,301 @@
+#ifndef _ASM_POWERPC_BOOK3S_64_PGTABLE_H_
+#define _ASM_POWERPC_BOOK3S_64_PGTABLE_H_
+/*
+ * This file contains the functions and defines necessary to modify and use
+ * the ppc64 hashed page table.
+ */
+
+#include <asm/book3s/64/hash.h>
+#include <asm/barrier.h>
+
+/*
+ * The second half of the kernel virtual space is used for IO mappings,
+ * it's itself carved into the PIO region (ISA and PHB IO space) and
+ * the ioremap space
+ *
+ * ISA_IO_BASE = KERN_IO_START, 64K reserved area
+ * PHB_IO_BASE = ISA_IO_BASE + 64K to ISA_IO_BASE + 2G, PHB IO spaces
+ * IOREMAP_BASE = ISA_IO_BASE + 2G to VMALLOC_START + PGTABLE_RANGE
+ */
+#define KERN_IO_START (KERN_VIRT_START + (KERN_VIRT_SIZE >> 1))
+#define FULL_IO_SIZE 0x80000000ul
+#define ISA_IO_BASE (KERN_IO_START)
+#define ISA_IO_END (KERN_IO_START + 0x10000ul)
+#define PHB_IO_BASE (ISA_IO_END)
+#define PHB_IO_END (KERN_IO_START + FULL_IO_SIZE)
+#define IOREMAP_BASE (PHB_IO_END)
+#define IOREMAP_END (KERN_VIRT_START + KERN_VIRT_SIZE)
+
+#define vmemmap ((struct page *)VMEMMAP_BASE)
+
+/* Advertise special mapping type for AGP */
+#define HAVE_PAGE_AGP
+
+/* Advertise support for _PAGE_SPECIAL */
+#define __HAVE_ARCH_PTE_SPECIAL
+
+#ifndef __ASSEMBLY__
+
+/*
+ * This is the default implementation of various PTE accessors, it's
+ * used in all cases except Book3S with 64K pages where we have a
+ * concept of sub-pages
+ */
+#ifndef __real_pte
+
+#ifdef CONFIG_STRICT_MM_TYPECHECKS
+#define __real_pte(e,p) ((real_pte_t){(e)})
+#define __rpte_to_pte(r) ((r).pte)
+#else
+#define __real_pte(e,p) (e)
+#define __rpte_to_pte(r) (__pte(r))
+#endif
+#define __rpte_to_hidx(r,index) (pte_val(__rpte_to_pte(r)) >>_PAGE_F_GIX_SHIFT)
+
+#define pte_iterate_hashed_subpages(rpte, psize, va, index, shift) \
+ do { \
+ index = 0; \
+ shift = mmu_psize_defs[psize].shift; \
+
+#define pte_iterate_hashed_end() } while(0)
+
+/*
+ * We expect this to be called only for user addresses or kernel virtual
+ * addresses other than the linear mapping.
+ */
+#define pte_pagesize_index(mm, addr, pte) MMU_PAGE_4K
+
+#endif /* __real_pte */
+
+static inline void pmd_set(pmd_t *pmdp, unsigned long val)
+{
+ *pmdp = __pmd(val);
+}
+
+static inline void pmd_clear(pmd_t *pmdp)
+{
+ *pmdp = __pmd(0);
+}
+
+#define pmd_none(pmd) (!pmd_val(pmd))
+#define pmd_present(pmd) (!pmd_none(pmd))
+
+static inline void pud_set(pud_t *pudp, unsigned long val)
+{
+ *pudp = __pud(val);
+}
+
+static inline void pud_clear(pud_t *pudp)
+{
+ *pudp = __pud(0);
+}
+
+#define pud_none(pud) (!pud_val(pud))
+#define pud_present(pud) (pud_val(pud) != 0)
+
+extern struct page *pud_page(pud_t pud);
+extern struct page *pmd_page(pmd_t pmd);
+static inline pte_t pud_pte(pud_t pud)
+{
+ return __pte(pud_val(pud));
+}
+
+static inline pud_t pte_pud(pte_t pte)
+{
+ return __pud(pte_val(pte));
+}
+#define pud_write(pud) pte_write(pud_pte(pud))
+#define pgd_write(pgd) pte_write(pgd_pte(pgd))
+static inline void pgd_set(pgd_t *pgdp, unsigned long val)
+{
+ *pgdp = __pgd(val);
+}
+
+/*
+ * Find an entry in a page-table-directory. We combine the address region
+ * (the high order N bits) and the pgd portion of the address.
+ */
+
+#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address))
+
+#define pmd_offset(pudp,addr) \
+ (((pmd_t *) pud_page_vaddr(*(pudp))) + pmd_index(addr))
+
+#define pte_offset_kernel(dir,addr) \
+ (((pte_t *) pmd_page_vaddr(*(dir))) + pte_index(addr))
+
+#define pte_offset_map(dir,addr) pte_offset_kernel((dir), (addr))
+#define pte_unmap(pte) do { } while(0)
+
+/* to find an entry in a kernel page-table-directory */
+/* This now only contains the vmalloc pages */
+#define pgd_offset_k(address) pgd_offset(&init_mm, address)
+
+#define pte_ERROR(e) \
+ pr_err("%s:%d: bad pte %08lx.\n", __FILE__, __LINE__, pte_val(e))
+#define pmd_ERROR(e) \
+ pr_err("%s:%d: bad pmd %08lx.\n", __FILE__, __LINE__, pmd_val(e))
+#define pgd_ERROR(e) \
+ pr_err("%s:%d: bad pgd %08lx.\n", __FILE__, __LINE__, pgd_val(e))
+
+/* Encode and de-code a swap entry */
+#define MAX_SWAPFILES_CHECK() do { \
+ BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > SWP_TYPE_BITS); \
+ /* \
+ * Don't have overlapping bits with _PAGE_HPTEFLAGS \
+ * We filter HPTEFLAGS on set_pte. \
+ */ \
+ BUILD_BUG_ON(_PAGE_HPTEFLAGS & (0x1f << _PAGE_BIT_SWAP_TYPE)); \
+ BUILD_BUG_ON(_PAGE_HPTEFLAGS & _PAGE_SWP_SOFT_DIRTY); \
+ } while (0)
+/*
+ * on pte we don't need handle RADIX_TREE_EXCEPTIONAL_SHIFT;
+ */
+#define SWP_TYPE_BITS 5
+#define __swp_type(x) (((x).val >> _PAGE_BIT_SWAP_TYPE) \
+ & ((1UL << SWP_TYPE_BITS) - 1))
+#define __swp_offset(x) ((x).val >> PTE_RPN_SHIFT)
+#define __swp_entry(type, offset) ((swp_entry_t) { \
+ ((type) << _PAGE_BIT_SWAP_TYPE) \
+ | ((offset) << PTE_RPN_SHIFT) })
+/*
+ * swp_entry_t must be independent of pte bits. We build a swp_entry_t from
+ * swap type and offset we get from swap and convert that to pte to find a
+ * matching pte in linux page table.
+ * Clear bits not found in swap entries here.
+ */
+#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val((pte)) & ~_PAGE_PTE })
+#define __swp_entry_to_pte(x) __pte((x).val | _PAGE_PTE)
+
+#ifdef CONFIG_MEM_SOFT_DIRTY
+#define _PAGE_SWP_SOFT_DIRTY (1UL << (SWP_TYPE_BITS + _PAGE_BIT_SWAP_TYPE))
+#else
+#define _PAGE_SWP_SOFT_DIRTY 0UL
+#endif /* CONFIG_MEM_SOFT_DIRTY */
+
+#ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY
+static inline pte_t pte_swp_mksoft_dirty(pte_t pte)
+{
+ return __pte(pte_val(pte) | _PAGE_SWP_SOFT_DIRTY);
+}
+static inline bool pte_swp_soft_dirty(pte_t pte)
+{
+ return !!(pte_val(pte) & _PAGE_SWP_SOFT_DIRTY);
+}
+static inline pte_t pte_swp_clear_soft_dirty(pte_t pte)
+{
+ return __pte(pte_val(pte) & ~_PAGE_SWP_SOFT_DIRTY);
+}
+#endif /* CONFIG_HAVE_ARCH_SOFT_DIRTY */
+
+void pgtable_cache_add(unsigned shift, void (*ctor)(void *));
+void pgtable_cache_init(void);
+
+struct page *realmode_pfn_to_page(unsigned long pfn);
+
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+extern pmd_t pfn_pmd(unsigned long pfn, pgprot_t pgprot);
+extern pmd_t mk_pmd(struct page *page, pgprot_t pgprot);
+extern pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot);
+extern void set_pmd_at(struct mm_struct *mm, unsigned long addr,
+ pmd_t *pmdp, pmd_t pmd);
+extern void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr,
+ pmd_t *pmd);
+extern int has_transparent_hugepage(void);
+#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
+
+
+static inline pte_t pmd_pte(pmd_t pmd)
+{
+ return __pte(pmd_val(pmd));
+}
+
+static inline pmd_t pte_pmd(pte_t pte)
+{
+ return __pmd(pte_val(pte));
+}
+
+static inline pte_t *pmdp_ptep(pmd_t *pmd)
+{
+ return (pte_t *)pmd;
+}
+
+#define pmd_pfn(pmd) pte_pfn(pmd_pte(pmd))
+#define pmd_dirty(pmd) pte_dirty(pmd_pte(pmd))
+#define pmd_young(pmd) pte_young(pmd_pte(pmd))
+#define pmd_mkold(pmd) pte_pmd(pte_mkold(pmd_pte(pmd)))
+#define pmd_wrprotect(pmd) pte_pmd(pte_wrprotect(pmd_pte(pmd)))
+#define pmd_mkdirty(pmd) pte_pmd(pte_mkdirty(pmd_pte(pmd)))
+#define pmd_mkclean(pmd) pte_pmd(pte_mkclean(pmd_pte(pmd)))
+#define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd)))
+#define pmd_mkwrite(pmd) pte_pmd(pte_mkwrite(pmd_pte(pmd)))
+
+#ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY
+#define pmd_soft_dirty(pmd) pte_soft_dirty(pmd_pte(pmd))
+#define pmd_mksoft_dirty(pmd) pte_pmd(pte_mksoft_dirty(pmd_pte(pmd)))
+#define pmd_clear_soft_dirty(pmd) pte_pmd(pte_clear_soft_dirty(pmd_pte(pmd)))
+#endif /* CONFIG_HAVE_ARCH_SOFT_DIRTY */
+
+#ifdef CONFIG_NUMA_BALANCING
+static inline int pmd_protnone(pmd_t pmd)
+{
+ return pte_protnone(pmd_pte(pmd));
+}
+#endif /* CONFIG_NUMA_BALANCING */
+
+#define __HAVE_ARCH_PMD_WRITE
+#define pmd_write(pmd) pte_write(pmd_pte(pmd))
+
+static inline pmd_t pmd_mkhuge(pmd_t pmd)
+{
+ return __pmd(pmd_val(pmd) | (_PAGE_PTE | _PAGE_THP_HUGE));
+}
+
+#define __HAVE_ARCH_PMDP_SET_ACCESS_FLAGS
+extern int pmdp_set_access_flags(struct vm_area_struct *vma,
+ unsigned long address, pmd_t *pmdp,
+ pmd_t entry, int dirty);
+
+#define __HAVE_ARCH_PMDP_TEST_AND_CLEAR_YOUNG
+extern int pmdp_test_and_clear_young(struct vm_area_struct *vma,
+ unsigned long address, pmd_t *pmdp);
+#define __HAVE_ARCH_PMDP_CLEAR_YOUNG_FLUSH
+extern int pmdp_clear_flush_young(struct vm_area_struct *vma,
+ unsigned long address, pmd_t *pmdp);
+
+#define __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR
+extern pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm,
+ unsigned long addr, pmd_t *pmdp);
+
+extern pmd_t pmdp_collapse_flush(struct vm_area_struct *vma,
+ unsigned long address, pmd_t *pmdp);
+#define pmdp_collapse_flush pmdp_collapse_flush
+
+#define __HAVE_ARCH_PGTABLE_DEPOSIT
+extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp,
+ pgtable_t pgtable);
+#define __HAVE_ARCH_PGTABLE_WITHDRAW
+extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp);
+
+#define __HAVE_ARCH_PMDP_INVALIDATE
+extern void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
+ pmd_t *pmdp);
+
+#define __HAVE_ARCH_PMDP_HUGE_SPLIT_PREPARE
+extern void pmdp_huge_split_prepare(struct vm_area_struct *vma,
+ unsigned long address, pmd_t *pmdp);
+
+#define pmd_move_must_withdraw pmd_move_must_withdraw
+struct spinlock;
+static inline int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl,
+ struct spinlock *old_pmd_ptl)
+{
+ /*
+ * Archs like ppc64 use pgtable to store per pmd
+ * specific information. So when we switch the pmd,
+ * we should also withdraw and deposit the pgtable
+ */
+ return true;
+}
+#endif /* __ASSEMBLY__ */
+#endif /* _ASM_POWERPC_BOOK3S_64_PGTABLE_H_ */
diff --git a/arch/powerpc/include/asm/book3s/pgtable.h b/arch/powerpc/include/asm/book3s/pgtable.h
new file mode 100644
index 000000000..8b0f4a292
--- /dev/null
+++ b/arch/powerpc/include/asm/book3s/pgtable.h
@@ -0,0 +1,29 @@
+#ifndef _ASM_POWERPC_BOOK3S_PGTABLE_H
+#define _ASM_POWERPC_BOOK3S_PGTABLE_H
+
+#ifdef CONFIG_PPC64
+#include <asm/book3s/64/pgtable.h>
+#else
+#include <asm/book3s/32/pgtable.h>
+#endif
+
+#define FIRST_USER_ADDRESS 0UL
+#ifndef __ASSEMBLY__
+/* Insert a PTE, top-level function is out of line. It uses an inline
+ * low level function in the respective pgtable-* files
+ */
+extern void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep,
+ pte_t pte);
+
+
+#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
+extern int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long address,
+ pte_t *ptep, pte_t entry, int dirty);
+
+struct file;
+extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
+ unsigned long size, pgprot_t vma_prot);
+#define __HAVE_PHYS_MEM_ACCESS_PROT
+
+#endif /* __ASSEMBLY__ */
+#endif
diff --git a/arch/powerpc/include/asm/cpm.h b/arch/powerpc/include/asm/cpm.h
index 4398a6cdc..2c5c5b476 100644
--- a/arch/powerpc/include/asm/cpm.h
+++ b/arch/powerpc/include/asm/cpm.h
@@ -5,6 +5,7 @@
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/of.h>
+#include <soc/fsl/qe/qe.h>
/*
* SPI Parameter RAM common to QE and CPM.
@@ -155,49 +156,6 @@ typedef struct cpm_buf_desc {
*/
#define BD_I2C_START (0x0400)
-int cpm_muram_init(void);
-
-#if defined(CONFIG_CPM) || defined(CONFIG_QUICC_ENGINE)
-unsigned long cpm_muram_alloc(unsigned long size, unsigned long align);
-int cpm_muram_free(unsigned long offset);
-unsigned long cpm_muram_alloc_fixed(unsigned long offset, unsigned long size);
-void __iomem *cpm_muram_addr(unsigned long offset);
-unsigned long cpm_muram_offset(void __iomem *addr);
-dma_addr_t cpm_muram_dma(void __iomem *addr);
-#else
-static inline unsigned long cpm_muram_alloc(unsigned long size,
- unsigned long align)
-{
- return -ENOSYS;
-}
-
-static inline int cpm_muram_free(unsigned long offset)
-{
- return -ENOSYS;
-}
-
-static inline unsigned long cpm_muram_alloc_fixed(unsigned long offset,
- unsigned long size)
-{
- return -ENOSYS;
-}
-
-static inline void __iomem *cpm_muram_addr(unsigned long offset)
-{
- return NULL;
-}
-
-static inline unsigned long cpm_muram_offset(void __iomem *addr)
-{
- return -ENOSYS;
-}
-
-static inline dma_addr_t cpm_muram_dma(void __iomem *addr)
-{
- return 0;
-}
-#endif /* defined(CONFIG_CPM) || defined(CONFIG_QUICC_ENGINE) */
-
#ifdef CONFIG_CPM
int cpm_command(u32 command, u8 opcode);
#else
diff --git a/arch/powerpc/include/asm/dma-mapping.h b/arch/powerpc/include/asm/dma-mapping.h
index 7f522c021..77816acd4 100644
--- a/arch/powerpc/include/asm/dma-mapping.h
+++ b/arch/powerpc/include/asm/dma-mapping.h
@@ -125,8 +125,6 @@ static inline void set_dma_offset(struct device *dev, dma_addr_t off)
#define HAVE_ARCH_DMA_SET_MASK 1
extern int dma_set_mask(struct device *dev, u64 dma_mask);
-#include <asm-generic/dma-mapping-common.h>
-
extern int __dma_set_mask(struct device *dev, u64 dma_mask);
extern u64 __dma_get_required_mask(struct device *dev);
diff --git a/arch/powerpc/include/asm/exception-64s.h b/arch/powerpc/include/asm/exception-64s.h
index 77f52b26d..93ae809fe 100644
--- a/arch/powerpc/include/asm/exception-64s.h
+++ b/arch/powerpc/include/asm/exception-64s.h
@@ -130,15 +130,6 @@ BEGIN_FTR_SECTION_NESTED(941) \
END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,941)
/*
- * Increase the priority on systems where PPR save/restore is not
- * implemented/ supported.
- */
-#define HMT_MEDIUM_PPR_DISCARD \
-BEGIN_FTR_SECTION_NESTED(942) \
- HMT_MEDIUM; \
-END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,0,942) /*non P7*/
-
-/*
* Get an SPR into a register if the CPU has the given feature
*/
#define OPT_GET_SPR(ra, spr, ftr) \
@@ -263,17 +254,6 @@ do_kvm_##n: \
#define KVM_HANDLER_SKIP(area, h, n)
#endif
-#ifdef CONFIG_KVM_BOOK3S_PR_POSSIBLE
-#define KVMTEST_PR(n) __KVMTEST(n)
-#define KVM_HANDLER_PR(area, h, n) __KVM_HANDLER(area, h, n)
-#define KVM_HANDLER_PR_SKIP(area, h, n) __KVM_HANDLER_SKIP(area, h, n)
-
-#else
-#define KVMTEST_PR(n)
-#define KVM_HANDLER_PR(area, h, n)
-#define KVM_HANDLER_PR_SKIP(area, h, n)
-#endif
-
#define NOTEST(n)
/*
@@ -353,27 +333,25 @@ do_kvm_##n: \
/*
* Exception vectors.
*/
-#define STD_EXCEPTION_PSERIES(loc, vec, label) \
- . = loc; \
+#define STD_EXCEPTION_PSERIES(vec, label) \
+ . = vec; \
.globl label##_pSeries; \
label##_pSeries: \
- HMT_MEDIUM_PPR_DISCARD; \
SET_SCRATCH0(r13); /* save r13 */ \
EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common, \
- EXC_STD, KVMTEST_PR, vec)
+ EXC_STD, KVMTEST, vec)
/* Version of above for when we have to branch out-of-line */
#define STD_EXCEPTION_PSERIES_OOL(vec, label) \
.globl label##_pSeries; \
label##_pSeries: \
- EXCEPTION_PROLOG_1(PACA_EXGEN, KVMTEST_PR, vec); \
+ EXCEPTION_PROLOG_1(PACA_EXGEN, KVMTEST, vec); \
EXCEPTION_PROLOG_PSERIES_1(label##_common, EXC_STD)
#define STD_EXCEPTION_HV(loc, vec, label) \
. = loc; \
.globl label##_hv; \
label##_hv: \
- HMT_MEDIUM_PPR_DISCARD; \
SET_SCRATCH0(r13); /* save r13 */ \
EXCEPTION_PROLOG_PSERIES(PACA_EXGEN, label##_common, \
EXC_HV, KVMTEST, vec)
@@ -389,7 +367,6 @@ label##_hv: \
. = loc; \
.globl label##_relon_pSeries; \
label##_relon_pSeries: \
- HMT_MEDIUM_PPR_DISCARD; \
/* No guest interrupts come through here */ \
SET_SCRATCH0(r13); /* save r13 */ \
EXCEPTION_RELON_PROLOG_PSERIES(PACA_EXGEN, label##_common, \
@@ -405,7 +382,6 @@ label##_relon_pSeries: \
. = loc; \
.globl label##_relon_hv; \
label##_relon_hv: \
- HMT_MEDIUM_PPR_DISCARD; \
/* No guest interrupts come through here */ \
SET_SCRATCH0(r13); /* save r13 */ \
EXCEPTION_RELON_PROLOG_PSERIES(PACA_EXGEN, label##_common, \
@@ -436,17 +412,13 @@ label##_relon_hv: \
#define _SOFTEN_TEST(h, vec) __SOFTEN_TEST(h, vec)
#define SOFTEN_TEST_PR(vec) \
- KVMTEST_PR(vec); \
+ KVMTEST(vec); \
_SOFTEN_TEST(EXC_STD, vec)
#define SOFTEN_TEST_HV(vec) \
KVMTEST(vec); \
_SOFTEN_TEST(EXC_HV, vec)
-#define SOFTEN_TEST_HV_201(vec) \
- KVMTEST(vec); \
- _SOFTEN_TEST(EXC_STD, vec)
-
#define SOFTEN_NOTEST_PR(vec) _SOFTEN_TEST(EXC_STD, vec)
#define SOFTEN_NOTEST_HV(vec) _SOFTEN_TEST(EXC_HV, vec)
@@ -463,7 +435,6 @@ label##_relon_hv: \
. = loc; \
.globl label##_pSeries; \
label##_pSeries: \
- HMT_MEDIUM_PPR_DISCARD; \
_MASKABLE_EXCEPTION_PSERIES(vec, label, \
EXC_STD, SOFTEN_TEST_PR)
@@ -481,7 +452,6 @@ label##_hv: \
EXCEPTION_PROLOG_PSERIES_1(label##_common, EXC_HV);
#define __MASKABLE_RELON_EXCEPTION_PSERIES(vec, label, h, extra) \
- HMT_MEDIUM_PPR_DISCARD; \
SET_SCRATCH0(r13); /* save r13 */ \
EXCEPTION_PROLOG_0(PACA_EXGEN); \
__EXCEPTION_PROLOG_1(PACA_EXGEN, extra, vec); \
diff --git a/arch/powerpc/include/asm/fadump.h b/arch/powerpc/include/asm/fadump.h
index 493e72f64..b4407d0ad 100644
--- a/arch/powerpc/include/asm/fadump.h
+++ b/arch/powerpc/include/asm/fadump.h
@@ -191,7 +191,7 @@ struct fadump_crash_info_header {
u64 elfcorehdr_addr;
u32 crashing_cpu;
struct pt_regs regs;
- struct cpumask cpu_online_mask;
+ struct cpumask online_mask;
};
/* Crash memory ranges */
diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h
index e05808a32..b06292497 100644
--- a/arch/powerpc/include/asm/firmware.h
+++ b/arch/powerpc/include/asm/firmware.h
@@ -47,12 +47,10 @@
#define FW_FEATURE_VPHN ASM_CONST(0x0000000004000000)
#define FW_FEATURE_XCMO ASM_CONST(0x0000000008000000)
#define FW_FEATURE_OPAL ASM_CONST(0x0000000010000000)
-#define FW_FEATURE_OPALv2 ASM_CONST(0x0000000020000000)
#define FW_FEATURE_SET_MODE ASM_CONST(0x0000000040000000)
#define FW_FEATURE_BEST_ENERGY ASM_CONST(0x0000000080000000)
#define FW_FEATURE_TYPE1_AFFINITY ASM_CONST(0x0000000100000000)
#define FW_FEATURE_PRRN ASM_CONST(0x0000000200000000)
-#define FW_FEATURE_OPALv3 ASM_CONST(0x0000000400000000)
#ifndef __ASSEMBLY__
@@ -70,8 +68,7 @@ enum {
FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY |
FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN,
FW_FEATURE_PSERIES_ALWAYS = 0,
- FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_OPALv2 |
- FW_FEATURE_OPALv3,
+ FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL,
FW_FEATURE_POWERNV_ALWAYS = 0,
FW_FEATURE_PS3_POSSIBLE = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
FW_FEATURE_PS3_ALWAYS = FW_FEATURE_LPAR | FW_FEATURE_PS3_LV1,
diff --git a/arch/powerpc/include/asm/hvcall.h b/arch/powerpc/include/asm/hvcall.h
index 85bc8c0d2..e3b54dd4f 100644
--- a/arch/powerpc/include/asm/hvcall.h
+++ b/arch/powerpc/include/asm/hvcall.h
@@ -258,11 +258,16 @@
#define H_DEL_CONN 0x288
#define H_JOIN 0x298
#define H_VASI_STATE 0x2A4
+#define H_VIOCTL 0x2A8
#define H_ENABLE_CRQ 0x2B0
#define H_GET_EM_PARMS 0x2B8
#define H_SET_MPP 0x2D0
#define H_GET_MPP 0x2D4
+#define H_REG_SUB_CRQ 0x2DC
#define H_HOME_NODE_ASSOCIATIVITY 0x2EC
+#define H_FREE_SUB_CRQ 0x2E0
+#define H_SEND_SUB_CRQ 0x2E4
+#define H_SEND_SUB_CRQ_INDIRECT 0x2E8
#define H_BEST_ENERGY 0x2F4
#define H_XIRR_X 0x2FC
#define H_RANDOM 0x300
@@ -271,6 +276,21 @@
#define H_SET_MODE 0x31C
#define MAX_HCALL_OPCODE H_SET_MODE
+/* H_VIOCTL functions */
+#define H_GET_VIOA_DUMP_SIZE 0x01
+#define H_GET_VIOA_DUMP 0x02
+#define H_GET_ILLAN_NUM_VLAN_IDS 0x03
+#define H_GET_ILLAN_VLAN_ID_LIST 0x04
+#define H_GET_ILLAN_SWITCH_ID 0x05
+#define H_DISABLE_MIGRATION 0x06
+#define H_ENABLE_MIGRATION 0x07
+#define H_GET_PARTNER_INFO 0x08
+#define H_GET_PARTNER_WWPN_LIST 0x09
+#define H_DISABLE_ALL_VIO_INTS 0x0A
+#define H_DISABLE_VIO_INTERRUPT 0x0B
+#define H_ENABLE_VIO_INTERRUPT 0x0C
+
+
/* Platform specific hcalls, used by KVM */
#define H_RTAS 0xf000
diff --git a/arch/powerpc/include/asm/icswx.h b/arch/powerpc/include/asm/icswx.h
index 9f8402b35..27e588f6c 100644
--- a/arch/powerpc/include/asm/icswx.h
+++ b/arch/powerpc/include/asm/icswx.h
@@ -164,6 +164,7 @@ struct coprocessor_request_block {
#define ICSWX_INITIATED (0x8)
#define ICSWX_BUSY (0x4)
#define ICSWX_REJECTED (0x2)
+#define ICSWX_XERS0 (0x1) /* undefined or set from XERSO. */
static inline int icswx(__be32 ccw, struct coprocessor_request_block *crb)
{
diff --git a/arch/powerpc/include/asm/immap_qe.h b/arch/powerpc/include/asm/immap_qe.h
deleted file mode 100644
index bedbff891..000000000
--- a/arch/powerpc/include/asm/immap_qe.h
+++ /dev/null
@@ -1,491 +0,0 @@
-/*
- * QUICC Engine (QE) Internal Memory Map.
- * The Internal Memory Map for devices with QE on them. This
- * is the superset of all QE devices (8360, etc.).
-
- * Copyright (C) 2006. Freescale Semiconductor, Inc. All rights reserved.
- *
- * Authors: Shlomi Gridish <gridish@freescale.com>
- * Li Yang <leoli@freescale.com>
- *
- * 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.
- */
-#ifndef _ASM_POWERPC_IMMAP_QE_H
-#define _ASM_POWERPC_IMMAP_QE_H
-#ifdef __KERNEL__
-
-#include <linux/kernel.h>
-#include <asm/io.h>
-
-#define QE_IMMAP_SIZE (1024 * 1024) /* 1MB from 1MB+IMMR */
-
-/* QE I-RAM */
-struct qe_iram {
- __be32 iadd; /* I-RAM Address Register */
- __be32 idata; /* I-RAM Data Register */
- u8 res0[0x04];
- __be32 iready; /* I-RAM Ready Register */
- u8 res1[0x70];
-} __attribute__ ((packed));
-
-/* QE Interrupt Controller */
-struct qe_ic_regs {
- __be32 qicr;
- __be32 qivec;
- __be32 qripnr;
- __be32 qipnr;
- __be32 qipxcc;
- __be32 qipycc;
- __be32 qipwcc;
- __be32 qipzcc;
- __be32 qimr;
- __be32 qrimr;
- __be32 qicnr;
- u8 res0[0x4];
- __be32 qiprta;
- __be32 qiprtb;
- u8 res1[0x4];
- __be32 qricr;
- u8 res2[0x20];
- __be32 qhivec;
- u8 res3[0x1C];
-} __attribute__ ((packed));
-
-/* Communications Processor */
-struct cp_qe {
- __be32 cecr; /* QE command register */
- __be32 ceccr; /* QE controller configuration register */
- __be32 cecdr; /* QE command data register */
- u8 res0[0xA];
- __be16 ceter; /* QE timer event register */
- u8 res1[0x2];
- __be16 cetmr; /* QE timers mask register */
- __be32 cetscr; /* QE time-stamp timer control register */
- __be32 cetsr1; /* QE time-stamp register 1 */
- __be32 cetsr2; /* QE time-stamp register 2 */
- u8 res2[0x8];
- __be32 cevter; /* QE virtual tasks event register */
- __be32 cevtmr; /* QE virtual tasks mask register */
- __be16 cercr; /* QE RAM control register */
- u8 res3[0x2];
- u8 res4[0x24];
- __be16 ceexe1; /* QE external request 1 event register */
- u8 res5[0x2];
- __be16 ceexm1; /* QE external request 1 mask register */
- u8 res6[0x2];
- __be16 ceexe2; /* QE external request 2 event register */
- u8 res7[0x2];
- __be16 ceexm2; /* QE external request 2 mask register */
- u8 res8[0x2];
- __be16 ceexe3; /* QE external request 3 event register */
- u8 res9[0x2];
- __be16 ceexm3; /* QE external request 3 mask register */
- u8 res10[0x2];
- __be16 ceexe4; /* QE external request 4 event register */
- u8 res11[0x2];
- __be16 ceexm4; /* QE external request 4 mask register */
- u8 res12[0x3A];
- __be32 ceurnr; /* QE microcode revision number register */
- u8 res13[0x244];
-} __attribute__ ((packed));
-
-/* QE Multiplexer */
-struct qe_mux {
- __be32 cmxgcr; /* CMX general clock route register */
- __be32 cmxsi1cr_l; /* CMX SI1 clock route low register */
- __be32 cmxsi1cr_h; /* CMX SI1 clock route high register */
- __be32 cmxsi1syr; /* CMX SI1 SYNC route register */
- __be32 cmxucr[4]; /* CMX UCCx clock route registers */
- __be32 cmxupcr; /* CMX UPC clock route register */
- u8 res0[0x1C];
-} __attribute__ ((packed));
-
-/* QE Timers */
-struct qe_timers {
- u8 gtcfr1; /* Timer 1 and Timer 2 global config register*/
- u8 res0[0x3];
- u8 gtcfr2; /* Timer 3 and timer 4 global config register*/
- u8 res1[0xB];
- __be16 gtmdr1; /* Timer 1 mode register */
- __be16 gtmdr2; /* Timer 2 mode register */
- __be16 gtrfr1; /* Timer 1 reference register */
- __be16 gtrfr2; /* Timer 2 reference register */
- __be16 gtcpr1; /* Timer 1 capture register */
- __be16 gtcpr2; /* Timer 2 capture register */
- __be16 gtcnr1; /* Timer 1 counter */
- __be16 gtcnr2; /* Timer 2 counter */
- __be16 gtmdr3; /* Timer 3 mode register */
- __be16 gtmdr4; /* Timer 4 mode register */
- __be16 gtrfr3; /* Timer 3 reference register */
- __be16 gtrfr4; /* Timer 4 reference register */
- __be16 gtcpr3; /* Timer 3 capture register */
- __be16 gtcpr4; /* Timer 4 capture register */
- __be16 gtcnr3; /* Timer 3 counter */
- __be16 gtcnr4; /* Timer 4 counter */
- __be16 gtevr1; /* Timer 1 event register */
- __be16 gtevr2; /* Timer 2 event register */
- __be16 gtevr3; /* Timer 3 event register */
- __be16 gtevr4; /* Timer 4 event register */
- __be16 gtps; /* Timer 1 prescale register */
- u8 res2[0x46];
-} __attribute__ ((packed));
-
-/* BRG */
-struct qe_brg {
- __be32 brgc[16]; /* BRG configuration registers */
- u8 res0[0x40];
-} __attribute__ ((packed));
-
-/* SPI */
-struct spi {
- u8 res0[0x20];
- __be32 spmode; /* SPI mode register */
- u8 res1[0x2];
- u8 spie; /* SPI event register */
- u8 res2[0x1];
- u8 res3[0x2];
- u8 spim; /* SPI mask register */
- u8 res4[0x1];
- u8 res5[0x1];
- u8 spcom; /* SPI command register */
- u8 res6[0x2];
- __be32 spitd; /* SPI transmit data register (cpu mode) */
- __be32 spird; /* SPI receive data register (cpu mode) */
- u8 res7[0x8];
-} __attribute__ ((packed));
-
-/* SI */
-struct si1 {
- __be16 siamr1; /* SI1 TDMA mode register */
- __be16 sibmr1; /* SI1 TDMB mode register */
- __be16 sicmr1; /* SI1 TDMC mode register */
- __be16 sidmr1; /* SI1 TDMD mode register */
- u8 siglmr1_h; /* SI1 global mode register high */
- u8 res0[0x1];
- u8 sicmdr1_h; /* SI1 command register high */
- u8 res2[0x1];
- u8 sistr1_h; /* SI1 status register high */
- u8 res3[0x1];
- __be16 sirsr1_h; /* SI1 RAM shadow address register high */
- u8 sitarc1; /* SI1 RAM counter Tx TDMA */
- u8 sitbrc1; /* SI1 RAM counter Tx TDMB */
- u8 sitcrc1; /* SI1 RAM counter Tx TDMC */
- u8 sitdrc1; /* SI1 RAM counter Tx TDMD */
- u8 sirarc1; /* SI1 RAM counter Rx TDMA */
- u8 sirbrc1; /* SI1 RAM counter Rx TDMB */
- u8 sircrc1; /* SI1 RAM counter Rx TDMC */
- u8 sirdrc1; /* SI1 RAM counter Rx TDMD */
- u8 res4[0x8];
- __be16 siemr1; /* SI1 TDME mode register 16 bits */
- __be16 sifmr1; /* SI1 TDMF mode register 16 bits */
- __be16 sigmr1; /* SI1 TDMG mode register 16 bits */
- __be16 sihmr1; /* SI1 TDMH mode register 16 bits */
- u8 siglmg1_l; /* SI1 global mode register low 8 bits */
- u8 res5[0x1];
- u8 sicmdr1_l; /* SI1 command register low 8 bits */
- u8 res6[0x1];
- u8 sistr1_l; /* SI1 status register low 8 bits */
- u8 res7[0x1];
- __be16 sirsr1_l; /* SI1 RAM shadow address register low 16 bits*/
- u8 siterc1; /* SI1 RAM counter Tx TDME 8 bits */
- u8 sitfrc1; /* SI1 RAM counter Tx TDMF 8 bits */
- u8 sitgrc1; /* SI1 RAM counter Tx TDMG 8 bits */
- u8 sithrc1; /* SI1 RAM counter Tx TDMH 8 bits */
- u8 sirerc1; /* SI1 RAM counter Rx TDME 8 bits */
- u8 sirfrc1; /* SI1 RAM counter Rx TDMF 8 bits */
- u8 sirgrc1; /* SI1 RAM counter Rx TDMG 8 bits */
- u8 sirhrc1; /* SI1 RAM counter Rx TDMH 8 bits */
- u8 res8[0x8];
- __be32 siml1; /* SI1 multiframe limit register */
- u8 siedm1; /* SI1 extended diagnostic mode register */
- u8 res9[0xBB];
-} __attribute__ ((packed));
-
-/* SI Routing Tables */
-struct sir {
- u8 tx[0x400];
- u8 rx[0x400];
- u8 res0[0x800];
-} __attribute__ ((packed));
-
-/* USB Controller */
-struct qe_usb_ctlr {
- u8 usb_usmod;
- u8 usb_usadr;
- u8 usb_uscom;
- u8 res1[1];
- __be16 usb_usep[4];
- u8 res2[4];
- __be16 usb_usber;
- u8 res3[2];
- __be16 usb_usbmr;
- u8 res4[1];
- u8 usb_usbs;
- __be16 usb_ussft;
- u8 res5[2];
- __be16 usb_usfrn;
- u8 res6[0x22];
-} __attribute__ ((packed));
-
-/* MCC */
-struct qe_mcc {
- __be32 mcce; /* MCC event register */
- __be32 mccm; /* MCC mask register */
- __be32 mccf; /* MCC configuration register */
- __be32 merl; /* MCC emergency request level register */
- u8 res0[0xF0];
-} __attribute__ ((packed));
-
-/* QE UCC Slow */
-struct ucc_slow {
- __be32 gumr_l; /* UCCx general mode register (low) */
- __be32 gumr_h; /* UCCx general mode register (high) */
- __be16 upsmr; /* UCCx protocol-specific mode register */
- u8 res0[0x2];
- __be16 utodr; /* UCCx transmit on demand register */
- __be16 udsr; /* UCCx data synchronization register */
- __be16 ucce; /* UCCx event register */
- u8 res1[0x2];
- __be16 uccm; /* UCCx mask register */
- u8 res2[0x1];
- u8 uccs; /* UCCx status register */
- u8 res3[0x24];
- __be16 utpt;
- u8 res4[0x52];
- u8 guemr; /* UCC general extended mode register */
-} __attribute__ ((packed));
-
-/* QE UCC Fast */
-struct ucc_fast {
- __be32 gumr; /* UCCx general mode register */
- __be32 upsmr; /* UCCx protocol-specific mode register */
- __be16 utodr; /* UCCx transmit on demand register */
- u8 res0[0x2];
- __be16 udsr; /* UCCx data synchronization register */
- u8 res1[0x2];
- __be32 ucce; /* UCCx event register */
- __be32 uccm; /* UCCx mask register */
- u8 uccs; /* UCCx status register */
- u8 res2[0x7];
- __be32 urfb; /* UCC receive FIFO base */
- __be16 urfs; /* UCC receive FIFO size */
- u8 res3[0x2];
- __be16 urfet; /* UCC receive FIFO emergency threshold */
- __be16 urfset; /* UCC receive FIFO special emergency
- threshold */
- __be32 utfb; /* UCC transmit FIFO base */
- __be16 utfs; /* UCC transmit FIFO size */
- u8 res4[0x2];
- __be16 utfet; /* UCC transmit FIFO emergency threshold */
- u8 res5[0x2];
- __be16 utftt; /* UCC transmit FIFO transmit threshold */
- u8 res6[0x2];
- __be16 utpt; /* UCC transmit polling timer */
- u8 res7[0x2];
- __be32 urtry; /* UCC retry counter register */
- u8 res8[0x4C];
- u8 guemr; /* UCC general extended mode register */
-} __attribute__ ((packed));
-
-struct ucc {
- union {
- struct ucc_slow slow;
- struct ucc_fast fast;
- u8 res[0x200]; /* UCC blocks are 512 bytes each */
- };
-} __attribute__ ((packed));
-
-/* MultiPHY UTOPIA POS Controllers (UPC) */
-struct upc {
- __be32 upgcr; /* UTOPIA/POS general configuration register */
- __be32 uplpa; /* UTOPIA/POS last PHY address */
- __be32 uphec; /* ATM HEC register */
- __be32 upuc; /* UTOPIA/POS UCC configuration */
- __be32 updc1; /* UTOPIA/POS device 1 configuration */
- __be32 updc2; /* UTOPIA/POS device 2 configuration */
- __be32 updc3; /* UTOPIA/POS device 3 configuration */
- __be32 updc4; /* UTOPIA/POS device 4 configuration */
- __be32 upstpa; /* UTOPIA/POS STPA threshold */
- u8 res0[0xC];
- __be32 updrs1_h; /* UTOPIA/POS device 1 rate select */
- __be32 updrs1_l; /* UTOPIA/POS device 1 rate select */
- __be32 updrs2_h; /* UTOPIA/POS device 2 rate select */
- __be32 updrs2_l; /* UTOPIA/POS device 2 rate select */
- __be32 updrs3_h; /* UTOPIA/POS device 3 rate select */
- __be32 updrs3_l; /* UTOPIA/POS device 3 rate select */
- __be32 updrs4_h; /* UTOPIA/POS device 4 rate select */
- __be32 updrs4_l; /* UTOPIA/POS device 4 rate select */
- __be32 updrp1; /* UTOPIA/POS device 1 receive priority low */
- __be32 updrp2; /* UTOPIA/POS device 2 receive priority low */
- __be32 updrp3; /* UTOPIA/POS device 3 receive priority low */
- __be32 updrp4; /* UTOPIA/POS device 4 receive priority low */
- __be32 upde1; /* UTOPIA/POS device 1 event */
- __be32 upde2; /* UTOPIA/POS device 2 event */
- __be32 upde3; /* UTOPIA/POS device 3 event */
- __be32 upde4; /* UTOPIA/POS device 4 event */
- __be16 uprp1;
- __be16 uprp2;
- __be16 uprp3;
- __be16 uprp4;
- u8 res1[0x8];
- __be16 uptirr1_0; /* Device 1 transmit internal rate 0 */
- __be16 uptirr1_1; /* Device 1 transmit internal rate 1 */
- __be16 uptirr1_2; /* Device 1 transmit internal rate 2 */
- __be16 uptirr1_3; /* Device 1 transmit internal rate 3 */
- __be16 uptirr2_0; /* Device 2 transmit internal rate 0 */
- __be16 uptirr2_1; /* Device 2 transmit internal rate 1 */
- __be16 uptirr2_2; /* Device 2 transmit internal rate 2 */
- __be16 uptirr2_3; /* Device 2 transmit internal rate 3 */
- __be16 uptirr3_0; /* Device 3 transmit internal rate 0 */
- __be16 uptirr3_1; /* Device 3 transmit internal rate 1 */
- __be16 uptirr3_2; /* Device 3 transmit internal rate 2 */
- __be16 uptirr3_3; /* Device 3 transmit internal rate 3 */
- __be16 uptirr4_0; /* Device 4 transmit internal rate 0 */
- __be16 uptirr4_1; /* Device 4 transmit internal rate 1 */
- __be16 uptirr4_2; /* Device 4 transmit internal rate 2 */
- __be16 uptirr4_3; /* Device 4 transmit internal rate 3 */
- __be32 uper1; /* Device 1 port enable register */
- __be32 uper2; /* Device 2 port enable register */
- __be32 uper3; /* Device 3 port enable register */
- __be32 uper4; /* Device 4 port enable register */
- u8 res2[0x150];
-} __attribute__ ((packed));
-
-/* SDMA */
-struct sdma {
- __be32 sdsr; /* Serial DMA status register */
- __be32 sdmr; /* Serial DMA mode register */
- __be32 sdtr1; /* SDMA system bus threshold register */
- __be32 sdtr2; /* SDMA secondary bus threshold register */
- __be32 sdhy1; /* SDMA system bus hysteresis register */
- __be32 sdhy2; /* SDMA secondary bus hysteresis register */
- __be32 sdta1; /* SDMA system bus address register */
- __be32 sdta2; /* SDMA secondary bus address register */
- __be32 sdtm1; /* SDMA system bus MSNUM register */
- __be32 sdtm2; /* SDMA secondary bus MSNUM register */
- u8 res0[0x10];
- __be32 sdaqr; /* SDMA address bus qualify register */
- __be32 sdaqmr; /* SDMA address bus qualify mask register */
- u8 res1[0x4];
- __be32 sdebcr; /* SDMA CAM entries base register */
- u8 res2[0x38];
-} __attribute__ ((packed));
-
-/* Debug Space */
-struct dbg {
- __be32 bpdcr; /* Breakpoint debug command register */
- __be32 bpdsr; /* Breakpoint debug status register */
- __be32 bpdmr; /* Breakpoint debug mask register */
- __be32 bprmrr0; /* Breakpoint request mode risc register 0 */
- __be32 bprmrr1; /* Breakpoint request mode risc register 1 */
- u8 res0[0x8];
- __be32 bprmtr0; /* Breakpoint request mode trb register 0 */
- __be32 bprmtr1; /* Breakpoint request mode trb register 1 */
- u8 res1[0x8];
- __be32 bprmir; /* Breakpoint request mode immediate register */
- __be32 bprmsr; /* Breakpoint request mode serial register */
- __be32 bpemr; /* Breakpoint exit mode register */
- u8 res2[0x48];
-} __attribute__ ((packed));
-
-/*
- * RISC Special Registers (Trap and Breakpoint). These are described in
- * the QE Developer's Handbook.
- */
-struct rsp {
- __be32 tibcr[16]; /* Trap/instruction breakpoint control regs */
- u8 res0[64];
- __be32 ibcr0;
- __be32 ibs0;
- __be32 ibcnr0;
- u8 res1[4];
- __be32 ibcr1;
- __be32 ibs1;
- __be32 ibcnr1;
- __be32 npcr;
- __be32 dbcr;
- __be32 dbar;
- __be32 dbamr;
- __be32 dbsr;
- __be32 dbcnr;
- u8 res2[12];
- __be32 dbdr_h;
- __be32 dbdr_l;
- __be32 dbdmr_h;
- __be32 dbdmr_l;
- __be32 bsr;
- __be32 bor;
- __be32 bior;
- u8 res3[4];
- __be32 iatr[4];
- __be32 eccr; /* Exception control configuration register */
- __be32 eicr;
- u8 res4[0x100-0xf8];
-} __attribute__ ((packed));
-
-struct qe_immap {
- struct qe_iram iram; /* I-RAM */
- struct qe_ic_regs ic; /* Interrupt Controller */
- struct cp_qe cp; /* Communications Processor */
- struct qe_mux qmx; /* QE Multiplexer */
- struct qe_timers qet; /* QE Timers */
- struct spi spi[0x2]; /* spi */
- struct qe_mcc mcc; /* mcc */
- struct qe_brg brg; /* brg */
- struct qe_usb_ctlr usb; /* USB */
- struct si1 si1; /* SI */
- u8 res11[0x800];
- struct sir sir; /* SI Routing Tables */
- struct ucc ucc1; /* ucc1 */
- struct ucc ucc3; /* ucc3 */
- struct ucc ucc5; /* ucc5 */
- struct ucc ucc7; /* ucc7 */
- u8 res12[0x600];
- struct upc upc1; /* MultiPHY UTOPIA POS Ctrlr 1*/
- struct ucc ucc2; /* ucc2 */
- struct ucc ucc4; /* ucc4 */
- struct ucc ucc6; /* ucc6 */
- struct ucc ucc8; /* ucc8 */
- u8 res13[0x600];
- struct upc upc2; /* MultiPHY UTOPIA POS Ctrlr 2*/
- struct sdma sdma; /* SDMA */
- struct dbg dbg; /* 0x104080 - 0x1040FF
- Debug Space */
- struct rsp rsp[0x2]; /* 0x104100 - 0x1042FF
- RISC Special Registers
- (Trap and Breakpoint) */
- u8 res14[0x300]; /* 0x104300 - 0x1045FF */
- u8 res15[0x3A00]; /* 0x104600 - 0x107FFF */
- u8 res16[0x8000]; /* 0x108000 - 0x110000 */
- u8 muram[0xC000]; /* 0x110000 - 0x11C000
- Multi-user RAM */
- u8 res17[0x24000]; /* 0x11C000 - 0x140000 */
- u8 res18[0xC0000]; /* 0x140000 - 0x200000 */
-} __attribute__ ((packed));
-
-extern struct qe_immap __iomem *qe_immr;
-extern phys_addr_t get_qe_base(void);
-
-/*
- * Returns the offset within the QE address space of the given pointer.
- *
- * Note that the QE does not support 36-bit physical addresses, so if
- * get_qe_base() returns a number above 4GB, the caller will probably fail.
- */
-static inline phys_addr_t immrbar_virt_to_phys(void *address)
-{
- void *q = (void *)qe_immr;
-
- /* Is it a MURAM address? */
- if ((address >= q) && (address < (q + QE_IMMAP_SIZE)))
- return get_qe_base() + (address - q);
-
- /* It's an address returned by kmalloc */
- return virt_to_phys(address);
-}
-
-#endif /* __KERNEL__ */
-#endif /* _ASM_POWERPC_IMMAP_QE_H */
diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index 5879fde56..6c1297ec3 100644
--- a/arch/powerpc/include/asm/io.h
+++ b/arch/powerpc/include/asm/io.h
@@ -385,6 +385,17 @@ static inline void __raw_writeq(unsigned long v, volatile void __iomem *addr)
{
*(volatile unsigned long __force *)PCI_FIX_ADDR(addr) = v;
}
+
+/*
+ * Real mode version of the above. stdcix is only supposed to be used
+ * in hypervisor real mode as per the architecture spec.
+ */
+static inline void __raw_rm_writeq(u64 val, volatile void __iomem *paddr)
+{
+ __asm__ __volatile__("stdcix %0,0,%1"
+ : : "r" (val), "r" (paddr) : "memory");
+}
+
#endif /* __powerpc64__ */
/*
diff --git a/arch/powerpc/include/asm/kvm_book3s.h b/arch/powerpc/include/asm/kvm_book3s.h
index 9fac01cb8..8f39796c9 100644
--- a/arch/powerpc/include/asm/kvm_book3s.h
+++ b/arch/powerpc/include/asm/kvm_book3s.h
@@ -154,8 +154,8 @@ extern void kvmppc_set_bat(struct kvm_vcpu *vcpu, struct kvmppc_bat *bat,
bool upper, u32 val);
extern void kvmppc_giveup_ext(struct kvm_vcpu *vcpu, ulong msr);
extern int kvmppc_emulate_paired_single(struct kvm_run *run, struct kvm_vcpu *vcpu);
-extern pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa, bool writing,
- bool *writable);
+extern kvm_pfn_t kvmppc_gpa_to_pfn(struct kvm_vcpu *vcpu, gpa_t gpa,
+ bool writing, bool *writable);
extern void kvmppc_add_revmap_chain(struct kvm *kvm, struct revmap_entry *rev,
unsigned long *rmap, long pte_index, int realmode);
extern void kvmppc_update_rmap_change(unsigned long *rmap, unsigned long psize);
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index cfa758c6b..c98afa538 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -38,8 +38,7 @@
#define KVM_MAX_VCPUS NR_CPUS
#define KVM_MAX_VCORES NR_CPUS
-#define KVM_USER_MEM_SLOTS 32
-#define KVM_MEM_SLOTS_NUM KVM_USER_MEM_SLOTS
+#define KVM_USER_MEM_SLOTS 512
#ifdef CONFIG_KVM_MMIO
#define KVM_COALESCED_MMIO_PAGE_OFFSET 1
@@ -50,6 +49,10 @@
#define KVM_NR_IRQCHIPS 1
#define KVM_IRQCHIP_NUM_PINS 256
+/* PPC-specific vcpu->requests bit members */
+#define KVM_REQ_WATCHDOG 8
+#define KVM_REQ_EPR_EXIT 9
+
#include <linux/mmu_notifier.h>
#define KVM_ARCH_WANT_MMU_NOTIFIER
@@ -286,7 +289,7 @@ struct kvmppc_vcore {
struct list_head runnable_threads;
struct list_head preempt_list;
spinlock_t lock;
- wait_queue_head_t wq;
+ struct swait_queue_head wq;
spinlock_t stoltb_lock; /* protects stolen_tb and preempt_tb */
u64 stolen_tb;
u64 preempt_tb;
@@ -626,7 +629,7 @@ struct kvm_vcpu_arch {
u8 prodded;
u32 last_inst;
- wait_queue_head_t *wqp;
+ struct swait_queue_head *wqp;
struct kvmppc_vcore *vcore;
int ret;
int trap;
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index c6ef05bd0..2241d5357 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -515,7 +515,7 @@ void kvmppc_claim_lpid(long lpid);
void kvmppc_free_lpid(long lpid);
void kvmppc_init_lpid(unsigned long nr_lpids);
-static inline void kvmppc_mmu_flush_icache(pfn_t pfn)
+static inline void kvmppc_mmu_flush_icache(kvm_pfn_t pfn)
{
struct page *page;
/*
diff --git a/arch/powerpc/include/asm/mmu-hash64.h b/arch/powerpc/include/asm/mmu-hash64.h
index ba3342bbd..7352d3f21 100644
--- a/arch/powerpc/include/asm/mmu-hash64.h
+++ b/arch/powerpc/include/asm/mmu-hash64.h
@@ -21,7 +21,7 @@
* need for various slices related matters. Note that this isn't the
* complete pgtable.h but only a portion of it.
*/
-#include <asm/pgtable-ppc64.h>
+#include <asm/book3s/64/pgtable.h>
#include <asm/bug.h>
#include <asm/processor.h>
diff --git a/arch/powerpc/include/asm/pgtable-ppc32.h b/arch/powerpc/include/asm/nohash/32/pgtable.h
index 9c326565d..c82cbf52d 100644
--- a/arch/powerpc/include/asm/pgtable-ppc32.h
+++ b/arch/powerpc/include/asm/nohash/32/pgtable.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_POWERPC_PGTABLE_PPC32_H
-#define _ASM_POWERPC_PGTABLE_PPC32_H
+#ifndef _ASM_POWERPC_NOHASH_32_PGTABLE_H
+#define _ASM_POWERPC_NOHASH_32_PGTABLE_H
#include <asm-generic/pgtable-nopmd.h>
@@ -106,17 +106,15 @@ extern int icache_44x_need_flush;
*/
#if defined(CONFIG_40x)
-#include <asm/pte-40x.h>
+#include <asm/nohash/32/pte-40x.h>
#elif defined(CONFIG_44x)
-#include <asm/pte-44x.h>
+#include <asm/nohash/32/pte-44x.h>
#elif defined(CONFIG_FSL_BOOKE) && defined(CONFIG_PTE_64BIT)
-#include <asm/pte-book3e.h>
+#include <asm/nohash/pte-book3e.h>
#elif defined(CONFIG_FSL_BOOKE)
-#include <asm/pte-fsl-booke.h>
+#include <asm/nohash/32/pte-fsl-booke.h>
#elif defined(CONFIG_8xx)
-#include <asm/pte-8xx.h>
-#else /* CONFIG_6xx */
-#include <asm/pte-hash32.h>
+#include <asm/nohash/32/pte-8xx.h>
#endif
/* And here we include common definitions */
@@ -130,7 +128,12 @@ extern int icache_44x_need_flush;
#define pmd_none(pmd) (!pmd_val(pmd))
#define pmd_bad(pmd) (pmd_val(pmd) & _PMD_BAD)
#define pmd_present(pmd) (pmd_val(pmd) & _PMD_PRESENT_MASK)
-#define pmd_clear(pmdp) do { pmd_val(*(pmdp)) = 0; } while (0)
+static inline void pmd_clear(pmd_t *pmdp)
+{
+ *pmdp = __pmd(0);
+}
+
+
/*
* When flushing the tlb entry for a page, we also need to flush the hash
@@ -337,4 +340,4 @@ extern int get_pteptr(struct mm_struct *mm, unsigned long addr, pte_t **ptep,
#endif /* !__ASSEMBLY__ */
-#endif /* _ASM_POWERPC_PGTABLE_PPC32_H */
+#endif /* __ASM_POWERPC_NOHASH_32_PGTABLE_H */
diff --git a/arch/powerpc/include/asm/pte-40x.h b/arch/powerpc/include/asm/nohash/32/pte-40x.h
index 486b1ef81..9624ebdac 100644
--- a/arch/powerpc/include/asm/pte-40x.h
+++ b/arch/powerpc/include/asm/nohash/32/pte-40x.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_POWERPC_PTE_40x_H
-#define _ASM_POWERPC_PTE_40x_H
+#ifndef _ASM_POWERPC_NOHASH_32_PTE_40x_H
+#define _ASM_POWERPC_NOHASH_32_PTE_40x_H
#ifdef __KERNEL__
/*
@@ -61,4 +61,4 @@
#define PTE_ATOMIC_UPDATES 1
#endif /* __KERNEL__ */
-#endif /* _ASM_POWERPC_PTE_40x_H */
+#endif /* _ASM_POWERPC_NOHASH_32_PTE_40x_H */
diff --git a/arch/powerpc/include/asm/pte-44x.h b/arch/powerpc/include/asm/nohash/32/pte-44x.h
index 36f75fab2..fdab41c65 100644
--- a/arch/powerpc/include/asm/pte-44x.h
+++ b/arch/powerpc/include/asm/nohash/32/pte-44x.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_POWERPC_PTE_44x_H
-#define _ASM_POWERPC_PTE_44x_H
+#ifndef _ASM_POWERPC_NOHASH_32_PTE_44x_H
+#define _ASM_POWERPC_NOHASH_32_PTE_44x_H
#ifdef __KERNEL__
/*
@@ -94,4 +94,4 @@
#endif /* __KERNEL__ */
-#endif /* _ASM_POWERPC_PTE_44x_H */
+#endif /* _ASM_POWERPC_NOHASH_32_PTE_44x_H */
diff --git a/arch/powerpc/include/asm/pte-8xx.h b/arch/powerpc/include/asm/nohash/32/pte-8xx.h
index a0e2ba960..3742b1919 100644
--- a/arch/powerpc/include/asm/pte-8xx.h
+++ b/arch/powerpc/include/asm/nohash/32/pte-8xx.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_POWERPC_PTE_8xx_H
-#define _ASM_POWERPC_PTE_8xx_H
+#ifndef _ASM_POWERPC_NOHASH_32_PTE_8xx_H
+#define _ASM_POWERPC_NOHASH_32_PTE_8xx_H
#ifdef __KERNEL__
/*
@@ -62,4 +62,4 @@
_PAGE_HWWRITE | _PAGE_EXEC)
#endif /* __KERNEL__ */
-#endif /* _ASM_POWERPC_PTE_8xx_H */
+#endif /* _ASM_POWERPC_NOHASH_32_PTE_8xx_H */
diff --git a/arch/powerpc/include/asm/pte-fsl-booke.h b/arch/powerpc/include/asm/nohash/32/pte-fsl-booke.h
index 9f5c3d04a..5422d00c6 100644
--- a/arch/powerpc/include/asm/pte-fsl-booke.h
+++ b/arch/powerpc/include/asm/nohash/32/pte-fsl-booke.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_POWERPC_PTE_FSL_BOOKE_H
-#define _ASM_POWERPC_PTE_FSL_BOOKE_H
+#ifndef _ASM_POWERPC_NOHASH_32_PTE_FSL_BOOKE_H
+#define _ASM_POWERPC_NOHASH_32_PTE_FSL_BOOKE_H
#ifdef __KERNEL__
/* PTE bit definitions for Freescale BookE SW loaded TLB MMU based
@@ -37,4 +37,4 @@
#define PTE_WIMGE_SHIFT (6)
#endif /* __KERNEL__ */
-#endif /* _ASM_POWERPC_PTE_FSL_BOOKE_H */
+#endif /* _ASM_POWERPC_NOHASH_32_PTE_FSL_BOOKE_H */
diff --git a/arch/powerpc/include/asm/pgtable-ppc64-4k.h b/arch/powerpc/include/asm/nohash/64/pgtable-4k.h
index 132ee1d48..fc7d51753 100644
--- a/arch/powerpc/include/asm/pgtable-ppc64-4k.h
+++ b/arch/powerpc/include/asm/nohash/64/pgtable-4k.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_POWERPC_PGTABLE_PPC64_4K_H
-#define _ASM_POWERPC_PGTABLE_PPC64_4K_H
+#ifndef _ASM_POWERPC_NOHASH_64_PGTABLE_4K_H
+#define _ASM_POWERPC_NOHASH_64_PGTABLE_4K_H
/*
* Entries per page directory level. The PTE level must use a 64b record
* for each page table entry. The PMD and PGD level use a 32b record for
@@ -55,11 +55,15 @@
#define pgd_none(pgd) (!pgd_val(pgd))
#define pgd_bad(pgd) (pgd_val(pgd) == 0)
#define pgd_present(pgd) (pgd_val(pgd) != 0)
-#define pgd_clear(pgdp) (pgd_val(*(pgdp)) = 0)
#define pgd_page_vaddr(pgd) (pgd_val(pgd) & ~PGD_MASKED_BITS)
#ifndef __ASSEMBLY__
+static inline void pgd_clear(pgd_t *pgdp)
+{
+ *pgdp = __pgd(0);
+}
+
static inline pte_t pgd_pte(pgd_t pgd)
{
return __pte(pgd_val(pgd));
@@ -85,4 +89,4 @@ extern struct page *pgd_page(pgd_t pgd);
#define remap_4k_pfn(vma, addr, pfn, prot) \
remap_pfn_range((vma), (addr), (pfn), PAGE_SIZE, (prot))
-#endif /* _ASM_POWERPC_PGTABLE_PPC64_4K_H */
+#endif /* _ _ASM_POWERPC_NOHASH_64_PGTABLE_4K_H */
diff --git a/arch/powerpc/include/asm/pgtable-ppc64-64k.h b/arch/powerpc/include/asm/nohash/64/pgtable-64k.h
index 1de35bbd0..570fb30be 100644
--- a/arch/powerpc/include/asm/pgtable-ppc64-64k.h
+++ b/arch/powerpc/include/asm/nohash/64/pgtable-64k.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_POWERPC_PGTABLE_PPC64_64K_H
-#define _ASM_POWERPC_PGTABLE_PPC64_64K_H
+#ifndef _ASM_POWERPC_NOHASH_64_PGTABLE_64K_H
+#define _ASM_POWERPC_NOHASH_64_PGTABLE_64K_H
#include <asm-generic/pgtable-nopud.h>
@@ -9,8 +9,19 @@
#define PUD_INDEX_SIZE 0
#define PGD_INDEX_SIZE 12
+/*
+ * we support 32 fragments per PTE page of 64K size
+ */
+#define PTE_FRAG_NR 32
+/*
+ * We use a 2K PTE page fragment and another 2K for storing
+ * real_pte_t hash index
+ */
+#define PTE_FRAG_SIZE_SHIFT 11
+#define PTE_FRAG_SIZE (1UL << PTE_FRAG_SIZE_SHIFT)
+
#ifndef __ASSEMBLY__
-#define PTE_TABLE_SIZE (sizeof(real_pte_t) << PTE_INDEX_SIZE)
+#define PTE_TABLE_SIZE PTE_FRAG_SIZE
#define PMD_TABLE_SIZE (sizeof(pmd_t) << PMD_INDEX_SIZE)
#define PGD_TABLE_SIZE (sizeof(pgd_t) << PGD_INDEX_SIZE)
#endif /* __ASSEMBLY__ */
@@ -32,13 +43,15 @@
#define PGDIR_SIZE (1UL << PGDIR_SHIFT)
#define PGDIR_MASK (~(PGDIR_SIZE-1))
-/* Bits to mask out from a PMD to get to the PTE page */
-/* PMDs point to PTE table fragments which are 4K aligned. */
-#define PMD_MASKED_BITS 0xfff
+/*
+ * Bits to mask out from a PMD to get to the PTE page
+ * PMDs point to PTE table fragments which are PTE_FRAG_SIZE aligned.
+ */
+#define PMD_MASKED_BITS (PTE_FRAG_SIZE - 1)
/* Bits to mask out from a PGD/PUD to get to the PMD page */
#define PUD_MASKED_BITS 0x1ff
#define pgd_pte(pgd) (pud_pte(((pud_t){ pgd })))
#define pte_pgd(pte) ((pgd_t)pte_pud(pte))
-#endif /* _ASM_POWERPC_PGTABLE_PPC64_64K_H */
+#endif /* _ASM_POWERPC_NOHASH_64_PGTABLE_64K_H */
diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/nohash/64/pgtable.h
index 3245f2d96..b9f734dd5 100644
--- a/arch/powerpc/include/asm/pgtable-ppc64.h
+++ b/arch/powerpc/include/asm/nohash/64/pgtable.h
@@ -1,14 +1,14 @@
-#ifndef _ASM_POWERPC_PGTABLE_PPC64_H_
-#define _ASM_POWERPC_PGTABLE_PPC64_H_
+#ifndef _ASM_POWERPC_NOHASH_64_PGTABLE_H
+#define _ASM_POWERPC_NOHASH_64_PGTABLE_H
/*
* This file contains the functions and defines necessary to modify and use
* the ppc64 hashed page table.
*/
#ifdef CONFIG_PPC_64K_PAGES
-#include <asm/pgtable-ppc64-64k.h>
+#include <asm/nohash/64/pgtable-64k.h>
#else
-#include <asm/pgtable-ppc64-4k.h>
+#include <asm/nohash/64/pgtable-4k.h>
#endif
#include <asm/barrier.h>
@@ -18,7 +18,7 @@
* Size of EA range mapped by our pagetables.
*/
#define PGTABLE_EADDR_SIZE (PTE_INDEX_SIZE + PMD_INDEX_SIZE + \
- PUD_INDEX_SIZE + PGD_INDEX_SIZE + PAGE_SHIFT)
+ PUD_INDEX_SIZE + PGD_INDEX_SIZE + PAGE_SHIFT)
#define PGTABLE_RANGE (ASM_CONST(1) << PGTABLE_EADDR_SIZE)
#ifdef CONFIG_TRANSPARENT_HUGEPAGE
@@ -97,11 +97,7 @@
/*
* Include the PTE bits definitions
*/
-#ifdef CONFIG_PPC_BOOK3S
-#include <asm/pte-hash64.h>
-#else
-#include <asm/pte-book3e.h>
-#endif
+#include <asm/nohash/pte-book3e.h>
#include <asm/pte-common.h>
#ifdef CONFIG_PPC_MM_SLICES
@@ -110,59 +106,47 @@
#endif /* CONFIG_PPC_MM_SLICES */
#ifndef __ASSEMBLY__
-
-/*
- * This is the default implementation of various PTE accessors, it's
- * used in all cases except Book3S with 64K pages where we have a
- * concept of sub-pages
- */
-#ifndef __real_pte
-
-#ifdef CONFIG_STRICT_MM_TYPECHECKS
-#define __real_pte(e,p) ((real_pte_t){(e)})
-#define __rpte_to_pte(r) ((r).pte)
-#else
-#define __real_pte(e,p) (e)
-#define __rpte_to_pte(r) (__pte(r))
-#endif
-#define __rpte_to_hidx(r,index) (pte_val(__rpte_to_pte(r)) >> 12)
-
-#define pte_iterate_hashed_subpages(rpte, psize, va, index, shift) \
- do { \
- index = 0; \
- shift = mmu_psize_defs[psize].shift; \
-
-#define pte_iterate_hashed_end() } while(0)
-
-/*
- * We expect this to be called only for user addresses or kernel virtual
- * addresses other than the linear mapping.
- */
-#define pte_pagesize_index(mm, addr, pte) MMU_PAGE_4K
-
-#endif /* __real_pte */
-
-
/* pte_clear moved to later in this file */
#define PMD_BAD_BITS (PTE_TABLE_SIZE-1)
#define PUD_BAD_BITS (PMD_TABLE_SIZE-1)
-#define pmd_set(pmdp, pmdval) (pmd_val(*(pmdp)) = (pmdval))
+static inline void pmd_set(pmd_t *pmdp, unsigned long val)
+{
+ *pmdp = __pmd(val);
+}
+
+static inline void pmd_clear(pmd_t *pmdp)
+{
+ *pmdp = __pmd(0);
+}
+
+static inline pte_t pmd_pte(pmd_t pmd)
+{
+ return __pte(pmd_val(pmd));
+}
+
#define pmd_none(pmd) (!pmd_val(pmd))
#define pmd_bad(pmd) (!is_kernel_addr(pmd_val(pmd)) \
|| (pmd_val(pmd) & PMD_BAD_BITS))
#define pmd_present(pmd) (!pmd_none(pmd))
-#define pmd_clear(pmdp) (pmd_val(*(pmdp)) = 0)
#define pmd_page_vaddr(pmd) (pmd_val(pmd) & ~PMD_MASKED_BITS)
extern struct page *pmd_page(pmd_t pmd);
-#define pud_set(pudp, pudval) (pud_val(*(pudp)) = (pudval))
+static inline void pud_set(pud_t *pudp, unsigned long val)
+{
+ *pudp = __pud(val);
+}
+
+static inline void pud_clear(pud_t *pudp)
+{
+ *pudp = __pud(0);
+}
+
#define pud_none(pud) (!pud_val(pud))
#define pud_bad(pud) (!is_kernel_addr(pud_val(pud)) \
|| (pud_val(pud) & PUD_BAD_BITS))
#define pud_present(pud) (pud_val(pud) != 0)
-#define pud_clear(pudp) (pud_val(*(pudp)) = 0)
#define pud_page_vaddr(pud) (pud_val(pud) & ~PUD_MASKED_BITS)
extern struct page *pud_page(pud_t pud);
@@ -177,9 +161,13 @@ static inline pud_t pte_pud(pte_t pte)
return __pud(pte_val(pte));
}
#define pud_write(pud) pte_write(pud_pte(pud))
-#define pgd_set(pgdp, pudp) ({pgd_val(*(pgdp)) = (unsigned long)(pudp);})
#define pgd_write(pgd) pte_write(pgd_pte(pgd))
+static inline void pgd_set(pgd_t *pgdp, unsigned long val)
+{
+ *pgdp = __pgd(val);
+}
+
/*
* Find an entry in a page-table-directory. We combine the address region
* (the high order N bits) and the pgd portion of the address.
@@ -373,254 +361,4 @@ void pgtable_cache_add(unsigned shift, void (*ctor)(void *));
void pgtable_cache_init(void);
#endif /* __ASSEMBLY__ */
-/*
- * THP pages can't be special. So use the _PAGE_SPECIAL
- */
-#define _PAGE_SPLITTING _PAGE_SPECIAL
-
-/*
- * We need to differentiate between explicit huge page and THP huge
- * page, since THP huge page also need to track real subpage details
- */
-#define _PAGE_THP_HUGE _PAGE_4K_PFN
-
-/*
- * set of bits not changed in pmd_modify.
- */
-#define _HPAGE_CHG_MASK (PTE_RPN_MASK | _PAGE_HPTEFLAGS | \
- _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_SPLITTING | \
- _PAGE_THP_HUGE)
-
-#ifndef __ASSEMBLY__
-/*
- * The linux hugepage PMD now include the pmd entries followed by the address
- * to the stashed pgtable_t. The stashed pgtable_t contains the hpte bits.
- * [ 1 bit secondary | 3 bit hidx | 1 bit valid | 000]. We use one byte per
- * each HPTE entry. With 16MB hugepage and 64K HPTE we need 256 entries and
- * with 4K HPTE we need 4096 entries. Both will fit in a 4K pgtable_t.
- *
- * The last three bits are intentionally left to zero. This memory location
- * are also used as normal page PTE pointers. So if we have any pointers
- * left around while we collapse a hugepage, we need to make sure
- * _PAGE_PRESENT bit of that is zero when we look at them
- */
-static inline unsigned int hpte_valid(unsigned char *hpte_slot_array, int index)
-{
- return (hpte_slot_array[index] >> 3) & 0x1;
-}
-
-static inline unsigned int hpte_hash_index(unsigned char *hpte_slot_array,
- int index)
-{
- return hpte_slot_array[index] >> 4;
-}
-
-static inline void mark_hpte_slot_valid(unsigned char *hpte_slot_array,
- unsigned int index, unsigned int hidx)
-{
- hpte_slot_array[index] = hidx << 4 | 0x1 << 3;
-}
-
-struct page *realmode_pfn_to_page(unsigned long pfn);
-
-static inline char *get_hpte_slot_array(pmd_t *pmdp)
-{
- /*
- * The hpte hindex is stored in the pgtable whose address is in the
- * second half of the PMD
- *
- * Order this load with the test for pmd_trans_huge in the caller
- */
- smp_rmb();
- return *(char **)(pmdp + PTRS_PER_PMD);
-
-
-}
-
-#ifdef CONFIG_TRANSPARENT_HUGEPAGE
-extern void hpte_do_hugepage_flush(struct mm_struct *mm, unsigned long addr,
- pmd_t *pmdp, unsigned long old_pmd);
-extern pmd_t pfn_pmd(unsigned long pfn, pgprot_t pgprot);
-extern pmd_t mk_pmd(struct page *page, pgprot_t pgprot);
-extern pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot);
-extern void set_pmd_at(struct mm_struct *mm, unsigned long addr,
- pmd_t *pmdp, pmd_t pmd);
-extern void update_mmu_cache_pmd(struct vm_area_struct *vma, unsigned long addr,
- pmd_t *pmd);
-/*
- *
- * For core kernel code by design pmd_trans_huge is never run on any hugetlbfs
- * page. The hugetlbfs page table walking and mangling paths are totally
- * separated form the core VM paths and they're differentiated by
- * VM_HUGETLB being set on vm_flags well before any pmd_trans_huge could run.
- *
- * pmd_trans_huge() is defined as false at build time if
- * CONFIG_TRANSPARENT_HUGEPAGE=n to optimize away code blocks at build
- * time in such case.
- *
- * For ppc64 we need to differntiate from explicit hugepages from THP, because
- * for THP we also track the subpage details at the pmd level. We don't do
- * that for explicit huge pages.
- *
- */
-static inline int pmd_trans_huge(pmd_t pmd)
-{
- /*
- * leaf pte for huge page, bottom two bits != 00
- */
- return (pmd_val(pmd) & 0x3) && (pmd_val(pmd) & _PAGE_THP_HUGE);
-}
-
-static inline int pmd_trans_splitting(pmd_t pmd)
-{
- if (pmd_trans_huge(pmd))
- return pmd_val(pmd) & _PAGE_SPLITTING;
- return 0;
-}
-
-extern int has_transparent_hugepage(void);
-#else
-static inline void hpte_do_hugepage_flush(struct mm_struct *mm,
- unsigned long addr, pmd_t *pmdp,
- unsigned long old_pmd)
-{
-
- WARN(1, "%s called with THP disabled\n", __func__);
-}
-#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
-
-static inline int pmd_large(pmd_t pmd)
-{
- /*
- * leaf pte for huge page, bottom two bits != 00
- */
- return ((pmd_val(pmd) & 0x3) != 0x0);
-}
-
-static inline pte_t pmd_pte(pmd_t pmd)
-{
- return __pte(pmd_val(pmd));
-}
-
-static inline pmd_t pte_pmd(pte_t pte)
-{
- return __pmd(pte_val(pte));
-}
-
-static inline pte_t *pmdp_ptep(pmd_t *pmd)
-{
- return (pte_t *)pmd;
-}
-
-#define pmd_pfn(pmd) pte_pfn(pmd_pte(pmd))
-#define pmd_dirty(pmd) pte_dirty(pmd_pte(pmd))
-#define pmd_young(pmd) pte_young(pmd_pte(pmd))
-#define pmd_mkold(pmd) pte_pmd(pte_mkold(pmd_pte(pmd)))
-#define pmd_wrprotect(pmd) pte_pmd(pte_wrprotect(pmd_pte(pmd)))
-#define pmd_mkdirty(pmd) pte_pmd(pte_mkdirty(pmd_pte(pmd)))
-#define pmd_mkyoung(pmd) pte_pmd(pte_mkyoung(pmd_pte(pmd)))
-#define pmd_mkwrite(pmd) pte_pmd(pte_mkwrite(pmd_pte(pmd)))
-
-#define __HAVE_ARCH_PMD_WRITE
-#define pmd_write(pmd) pte_write(pmd_pte(pmd))
-
-static inline pmd_t pmd_mkhuge(pmd_t pmd)
-{
- /* Do nothing, mk_pmd() does this part. */
- return pmd;
-}
-
-static inline pmd_t pmd_mknotpresent(pmd_t pmd)
-{
- pmd_val(pmd) &= ~_PAGE_PRESENT;
- return pmd;
-}
-
-static inline pmd_t pmd_mksplitting(pmd_t pmd)
-{
- pmd_val(pmd) |= _PAGE_SPLITTING;
- return pmd;
-}
-
-#define __HAVE_ARCH_PMD_SAME
-static inline int pmd_same(pmd_t pmd_a, pmd_t pmd_b)
-{
- return (((pmd_val(pmd_a) ^ pmd_val(pmd_b)) & ~_PAGE_HPTEFLAGS) == 0);
-}
-
-#define __HAVE_ARCH_PMDP_SET_ACCESS_FLAGS
-extern int pmdp_set_access_flags(struct vm_area_struct *vma,
- unsigned long address, pmd_t *pmdp,
- pmd_t entry, int dirty);
-
-extern unsigned long pmd_hugepage_update(struct mm_struct *mm,
- unsigned long addr,
- pmd_t *pmdp,
- unsigned long clr,
- unsigned long set);
-
-static inline int __pmdp_test_and_clear_young(struct mm_struct *mm,
- unsigned long addr, pmd_t *pmdp)
-{
- unsigned long old;
-
- if ((pmd_val(*pmdp) & (_PAGE_ACCESSED | _PAGE_HASHPTE)) == 0)
- return 0;
- old = pmd_hugepage_update(mm, addr, pmdp, _PAGE_ACCESSED, 0);
- return ((old & _PAGE_ACCESSED) != 0);
-}
-
-#define __HAVE_ARCH_PMDP_TEST_AND_CLEAR_YOUNG
-extern int pmdp_test_and_clear_young(struct vm_area_struct *vma,
- unsigned long address, pmd_t *pmdp);
-#define __HAVE_ARCH_PMDP_CLEAR_YOUNG_FLUSH
-extern int pmdp_clear_flush_young(struct vm_area_struct *vma,
- unsigned long address, pmd_t *pmdp);
-
-#define __HAVE_ARCH_PMDP_HUGE_GET_AND_CLEAR
-extern pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm,
- unsigned long addr, pmd_t *pmdp);
-
-#define __HAVE_ARCH_PMDP_SET_WRPROTECT
-static inline void pmdp_set_wrprotect(struct mm_struct *mm, unsigned long addr,
- pmd_t *pmdp)
-{
-
- if ((pmd_val(*pmdp) & _PAGE_RW) == 0)
- return;
-
- pmd_hugepage_update(mm, addr, pmdp, _PAGE_RW, 0);
-}
-
-#define __HAVE_ARCH_PMDP_SPLITTING_FLUSH
-extern void pmdp_splitting_flush(struct vm_area_struct *vma,
- unsigned long address, pmd_t *pmdp);
-
-extern pmd_t pmdp_collapse_flush(struct vm_area_struct *vma,
- unsigned long address, pmd_t *pmdp);
-#define pmdp_collapse_flush pmdp_collapse_flush
-
-#define __HAVE_ARCH_PGTABLE_DEPOSIT
-extern void pgtable_trans_huge_deposit(struct mm_struct *mm, pmd_t *pmdp,
- pgtable_t pgtable);
-#define __HAVE_ARCH_PGTABLE_WITHDRAW
-extern pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp);
-
-#define __HAVE_ARCH_PMDP_INVALIDATE
-extern void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
- pmd_t *pmdp);
-
-#define pmd_move_must_withdraw pmd_move_must_withdraw
-struct spinlock;
-static inline int pmd_move_must_withdraw(struct spinlock *new_pmd_ptl,
- struct spinlock *old_pmd_ptl)
-{
- /*
- * Archs like ppc64 use pgtable to store per pmd
- * specific information. So when we switch the pmd,
- * we should also withdraw and deposit the pgtable
- */
- return true;
-}
-#endif /* __ASSEMBLY__ */
-#endif /* _ASM_POWERPC_PGTABLE_PPC64_H_ */
+#endif /* _ASM_POWERPC_NOHASH_64_PGTABLE_H */
diff --git a/arch/powerpc/include/asm/nohash/pgtable.h b/arch/powerpc/include/asm/nohash/pgtable.h
new file mode 100644
index 000000000..1263c22d6
--- /dev/null
+++ b/arch/powerpc/include/asm/nohash/pgtable.h
@@ -0,0 +1,252 @@
+#ifndef _ASM_POWERPC_NOHASH_PGTABLE_H
+#define _ASM_POWERPC_NOHASH_PGTABLE_H
+
+#if defined(CONFIG_PPC64)
+#include <asm/nohash/64/pgtable.h>
+#else
+#include <asm/nohash/32/pgtable.h>
+#endif
+
+#ifndef __ASSEMBLY__
+
+/* Generic accessors to PTE bits */
+static inline int pte_write(pte_t pte)
+{
+ return (pte_val(pte) & (_PAGE_RW | _PAGE_RO)) != _PAGE_RO;
+}
+static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; }
+static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }
+static inline int pte_special(pte_t pte) { return pte_val(pte) & _PAGE_SPECIAL; }
+static inline int pte_none(pte_t pte) { return (pte_val(pte) & ~_PTE_NONE_MASK) == 0; }
+static inline pgprot_t pte_pgprot(pte_t pte) { return __pgprot(pte_val(pte) & PAGE_PROT_BITS); }
+
+#ifdef CONFIG_NUMA_BALANCING
+/*
+ * These work without NUMA balancing but the kernel does not care. See the
+ * comment in include/asm-generic/pgtable.h . On powerpc, this will only
+ * work for user pages and always return true for kernel pages.
+ */
+static inline int pte_protnone(pte_t pte)
+{
+ return (pte_val(pte) &
+ (_PAGE_PRESENT | _PAGE_USER)) == _PAGE_PRESENT;
+}
+
+static inline int pmd_protnone(pmd_t pmd)
+{
+ return pte_protnone(pmd_pte(pmd));
+}
+#endif /* CONFIG_NUMA_BALANCING */
+
+static inline int pte_present(pte_t pte)
+{
+ return pte_val(pte) & _PAGE_PRESENT;
+}
+
+/* Conversion functions: convert a page and protection to a page entry,
+ * and a page entry and page directory to the page they refer to.
+ *
+ * Even if PTEs can be unsigned long long, a PFN is always an unsigned
+ * long for now.
+ */
+static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot) {
+ return __pte(((pte_basic_t)(pfn) << PTE_RPN_SHIFT) |
+ pgprot_val(pgprot)); }
+static inline unsigned long pte_pfn(pte_t pte) {
+ return pte_val(pte) >> PTE_RPN_SHIFT; }
+
+/* Generic modifiers for PTE bits */
+static inline pte_t pte_wrprotect(pte_t pte)
+{
+ pte_basic_t ptev;
+
+ ptev = pte_val(pte) & ~(_PAGE_RW | _PAGE_HWWRITE);
+ ptev |= _PAGE_RO;
+ return __pte(ptev);
+}
+
+static inline pte_t pte_mkclean(pte_t pte)
+{
+ return __pte(pte_val(pte) & ~(_PAGE_DIRTY | _PAGE_HWWRITE));
+}
+
+static inline pte_t pte_mkold(pte_t pte)
+{
+ return __pte(pte_val(pte) & ~_PAGE_ACCESSED);
+}
+
+static inline pte_t pte_mkwrite(pte_t pte)
+{
+ pte_basic_t ptev;
+
+ ptev = pte_val(pte) & ~_PAGE_RO;
+ ptev |= _PAGE_RW;
+ return __pte(ptev);
+}
+
+static inline pte_t pte_mkdirty(pte_t pte)
+{
+ return __pte(pte_val(pte) | _PAGE_DIRTY);
+}
+
+static inline pte_t pte_mkyoung(pte_t pte)
+{
+ return __pte(pte_val(pte) | _PAGE_ACCESSED);
+}
+
+static inline pte_t pte_mkspecial(pte_t pte)
+{
+ return __pte(pte_val(pte) | _PAGE_SPECIAL);
+}
+
+static inline pte_t pte_mkhuge(pte_t pte)
+{
+ return pte;
+}
+
+static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
+{
+ return __pte((pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot));
+}
+
+/* Insert a PTE, top-level function is out of line. It uses an inline
+ * low level function in the respective pgtable-* files
+ */
+extern void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep,
+ pte_t pte);
+
+/* This low level function performs the actual PTE insertion
+ * Setting the PTE depends on the MMU type and other factors. It's
+ * an horrible mess that I'm not going to try to clean up now but
+ * I'm keeping it in one place rather than spread around
+ */
+static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep, pte_t pte, int percpu)
+{
+#if defined(CONFIG_PPC_STD_MMU_32) && defined(CONFIG_SMP) && !defined(CONFIG_PTE_64BIT)
+ /* First case is 32-bit Hash MMU in SMP mode with 32-bit PTEs. We use the
+ * helper pte_update() which does an atomic update. We need to do that
+ * because a concurrent invalidation can clear _PAGE_HASHPTE. If it's a
+ * per-CPU PTE such as a kmap_atomic, we do a simple update preserving
+ * the hash bits instead (ie, same as the non-SMP case)
+ */
+ if (percpu)
+ *ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE)
+ | (pte_val(pte) & ~_PAGE_HASHPTE));
+ else
+ pte_update(ptep, ~_PAGE_HASHPTE, pte_val(pte));
+
+#elif defined(CONFIG_PPC32) && defined(CONFIG_PTE_64BIT)
+ /* Second case is 32-bit with 64-bit PTE. In this case, we
+ * can just store as long as we do the two halves in the right order
+ * with a barrier in between. This is possible because we take care,
+ * in the hash code, to pre-invalidate if the PTE was already hashed,
+ * which synchronizes us with any concurrent invalidation.
+ * In the percpu case, we also fallback to the simple update preserving
+ * the hash bits
+ */
+ if (percpu) {
+ *ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE)
+ | (pte_val(pte) & ~_PAGE_HASHPTE));
+ return;
+ }
+#if _PAGE_HASHPTE != 0
+ if (pte_val(*ptep) & _PAGE_HASHPTE)
+ flush_hash_entry(mm, ptep, addr);
+#endif
+ __asm__ __volatile__("\
+ stw%U0%X0 %2,%0\n\
+ eieio\n\
+ stw%U0%X0 %L2,%1"
+ : "=m" (*ptep), "=m" (*((unsigned char *)ptep+4))
+ : "r" (pte) : "memory");
+
+#elif defined(CONFIG_PPC_STD_MMU_32)
+ /* Third case is 32-bit hash table in UP mode, we need to preserve
+ * the _PAGE_HASHPTE bit since we may not have invalidated the previous
+ * translation in the hash yet (done in a subsequent flush_tlb_xxx())
+ * and see we need to keep track that this PTE needs invalidating
+ */
+ *ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE)
+ | (pte_val(pte) & ~_PAGE_HASHPTE));
+
+#else
+ /* Anything else just stores the PTE normally. That covers all 64-bit
+ * cases, and 32-bit non-hash with 32-bit PTEs.
+ */
+ *ptep = pte;
+
+#ifdef CONFIG_PPC_BOOK3E_64
+ /*
+ * With hardware tablewalk, a sync is needed to ensure that
+ * subsequent accesses see the PTE we just wrote. Unlike userspace
+ * mappings, we can't tolerate spurious faults, so make sure
+ * the new PTE will be seen the first time.
+ */
+ if (is_kernel_addr(addr))
+ mb();
+#endif
+#endif
+}
+
+
+#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
+extern int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long address,
+ pte_t *ptep, pte_t entry, int dirty);
+
+/*
+ * Macro to mark a page protection value as "uncacheable".
+ */
+
+#define _PAGE_CACHE_CTL (_PAGE_COHERENT | _PAGE_GUARDED | _PAGE_NO_CACHE | \
+ _PAGE_WRITETHRU)
+
+#define pgprot_noncached(prot) (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \
+ _PAGE_NO_CACHE | _PAGE_GUARDED))
+
+#define pgprot_noncached_wc(prot) (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \
+ _PAGE_NO_CACHE))
+
+#define pgprot_cached(prot) (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \
+ _PAGE_COHERENT))
+
+#define pgprot_cached_wthru(prot) (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \
+ _PAGE_COHERENT | _PAGE_WRITETHRU))
+
+#define pgprot_cached_noncoherent(prot) \
+ (__pgprot(pgprot_val(prot) & ~_PAGE_CACHE_CTL))
+
+#define pgprot_writecombine pgprot_noncached_wc
+
+struct file;
+extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
+ unsigned long size, pgprot_t vma_prot);
+#define __HAVE_PHYS_MEM_ACCESS_PROT
+
+#ifdef CONFIG_HUGETLB_PAGE
+static inline int hugepd_ok(hugepd_t hpd)
+{
+ return (hpd.pd > 0);
+}
+
+static inline int pmd_huge(pmd_t pmd)
+{
+ return 0;
+}
+
+static inline int pud_huge(pud_t pud)
+{
+ return 0;
+}
+
+static inline int pgd_huge(pgd_t pgd)
+{
+ return 0;
+}
+#define pgd_huge pgd_huge
+
+#define is_hugepd(hpd) (hugepd_ok(hpd))
+#endif
+
+#endif /* __ASSEMBLY__ */
+#endif
diff --git a/arch/powerpc/include/asm/pte-book3e.h b/arch/powerpc/include/asm/nohash/pte-book3e.h
index 8d8473278..e16807b78 100644
--- a/arch/powerpc/include/asm/pte-book3e.h
+++ b/arch/powerpc/include/asm/nohash/pte-book3e.h
@@ -1,5 +1,5 @@
-#ifndef _ASM_POWERPC_PTE_BOOK3E_H
-#define _ASM_POWERPC_PTE_BOOK3E_H
+#ifndef _ASM_POWERPC_NOHASH_PTE_BOOK3E_H
+#define _ASM_POWERPC_NOHASH_PTE_BOOK3E_H
#ifdef __KERNEL__
/* PTE bit definitions for processors compliant to the Book3E
@@ -84,4 +84,4 @@
#endif
#endif /* __KERNEL__ */
-#endif /* _ASM_POWERPC_PTE_FSL_BOOKE_H */
+#endif /* _ASM_POWERPC_NOHASH_PTE_BOOK3E_H */
diff --git a/arch/powerpc/include/asm/opal-api.h b/arch/powerpc/include/asm/opal-api.h
index 8374afed9..f8faaaeec 100644
--- a/arch/powerpc/include/asm/opal-api.h
+++ b/arch/powerpc/include/asm/opal-api.h
@@ -157,7 +157,8 @@
#define OPAL_LEDS_GET_INDICATOR 114
#define OPAL_LEDS_SET_INDICATOR 115
#define OPAL_CEC_REBOOT2 116
-#define OPAL_LAST 116
+#define OPAL_CONSOLE_FLUSH 117
+#define OPAL_LAST 117
/* Device tree flags */
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index 800115910..07a99e638 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -35,6 +35,7 @@ int64_t opal_console_read(int64_t term_number, __be64 *length,
uint8_t *buffer);
int64_t opal_console_write_buffer_space(int64_t term_number,
__be64 *length);
+int64_t opal_console_flush(int64_t term_number);
int64_t opal_rtc_read(__be32 *year_month_day,
__be64 *hour_minute_second_millisecond);
int64_t opal_rtc_write(uint32_t year_month_day,
@@ -262,6 +263,8 @@ extern int opal_resync_timebase(void);
extern void opal_lpc_init(void);
+extern void opal_kmsg_init(void);
+
extern int opal_event_request(unsigned int opal_event_nr);
struct opal_sg_list *opal_vmalloc_to_sg_list(void *vmalloc_addr,
diff --git a/arch/powerpc/include/asm/paca.h b/arch/powerpc/include/asm/paca.h
index 70bd4381f..546540b91 100644
--- a/arch/powerpc/include/asm/paca.h
+++ b/arch/powerpc/include/asm/paca.h
@@ -16,6 +16,7 @@
#ifdef CONFIG_PPC64
+#include <linux/string.h>
#include <asm/types.h>
#include <asm/lppaca.h>
#include <asm/mmu.h>
@@ -131,7 +132,16 @@ struct paca_struct {
struct tlb_core_data tcd;
#endif /* CONFIG_PPC_BOOK3E */
- mm_context_t context;
+#ifdef CONFIG_PPC_BOOK3S
+ mm_context_id_t mm_ctx_id;
+#ifdef CONFIG_PPC_MM_SLICES
+ u64 mm_ctx_low_slices_psize;
+ unsigned char mm_ctx_high_slices_psize[SLICE_ARRAY_SIZE];
+#else
+ u16 mm_ctx_user_psize;
+ u16 mm_ctx_sllp;
+#endif
+#endif
/*
* then miscellaneous read-write fields
@@ -194,6 +204,23 @@ struct paca_struct {
#endif
};
+#ifdef CONFIG_PPC_BOOK3S
+static inline void copy_mm_to_paca(mm_context_t *context)
+{
+ get_paca()->mm_ctx_id = context->id;
+#ifdef CONFIG_PPC_MM_SLICES
+ get_paca()->mm_ctx_low_slices_psize = context->low_slices_psize;
+ memcpy(&get_paca()->mm_ctx_high_slices_psize,
+ &context->high_slices_psize, SLICE_ARRAY_SIZE);
+#else
+ get_paca()->mm_ctx_user_psize = context->user_psize;
+ get_paca()->mm_ctx_sllp = context->sllp;
+#endif
+}
+#else
+static inline void copy_mm_to_paca(mm_context_t *context){}
+#endif
+
extern struct paca_struct *paca;
extern void initialise_paca(struct paca_struct *new_paca, int cpu);
extern void setup_paca(struct paca_struct *new_paca);
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 3140c19c4..e34124f6f 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -286,8 +286,11 @@ extern long long virt_phys_offset;
/* PTE level */
typedef struct { pte_basic_t pte; } pte_t;
-#define pte_val(x) ((x).pte)
#define __pte(x) ((pte_t) { (x) })
+static inline pte_basic_t pte_val(pte_t x)
+{
+ return x.pte;
+}
/* 64k pages additionally define a bigger "real PTE" type that gathers
* the "second half" part of the PTE for pseudo 64k pages
@@ -301,21 +304,30 @@ typedef struct { pte_t pte; } real_pte_t;
/* PMD level */
#ifdef CONFIG_PPC64
typedef struct { unsigned long pmd; } pmd_t;
-#define pmd_val(x) ((x).pmd)
#define __pmd(x) ((pmd_t) { (x) })
+static inline unsigned long pmd_val(pmd_t x)
+{
+ return x.pmd;
+}
/* PUD level exusts only on 4k pages */
#ifndef CONFIG_PPC_64K_PAGES
typedef struct { unsigned long pud; } pud_t;
-#define pud_val(x) ((x).pud)
#define __pud(x) ((pud_t) { (x) })
+static inline unsigned long pud_val(pud_t x)
+{
+ return x.pud;
+}
#endif /* !CONFIG_PPC_64K_PAGES */
#endif /* CONFIG_PPC64 */
/* PGD level */
typedef struct { unsigned long pgd; } pgd_t;
-#define pgd_val(x) ((x).pgd)
#define __pgd(x) ((pgd_t) { (x) })
+static inline unsigned long pgd_val(pgd_t x)
+{
+ return x.pgd;
+}
/* Page protection bits */
typedef struct { unsigned long pgprot; } pgprot_t;
@@ -329,8 +341,11 @@ typedef struct { unsigned long pgprot; } pgprot_t;
*/
typedef pte_basic_t pte_t;
-#define pte_val(x) (x)
#define __pte(x) (x)
+static inline pte_basic_t pte_val(pte_t pte)
+{
+ return pte;
+}
#if defined(CONFIG_PPC_64K_PAGES) && defined(CONFIG_PPC_STD_MMU_64)
typedef struct { pte_t pte; unsigned long hidx; } real_pte_t;
@@ -341,67 +356,42 @@ typedef pte_t real_pte_t;
#ifdef CONFIG_PPC64
typedef unsigned long pmd_t;
-#define pmd_val(x) (x)
#define __pmd(x) (x)
+static inline unsigned long pmd_val(pmd_t pmd)
+{
+ return pmd;
+}
#ifndef CONFIG_PPC_64K_PAGES
typedef unsigned long pud_t;
-#define pud_val(x) (x)
#define __pud(x) (x)
+static inline unsigned long pud_val(pud_t pud)
+{
+ return pud;
+}
#endif /* !CONFIG_PPC_64K_PAGES */
#endif /* CONFIG_PPC64 */
typedef unsigned long pgd_t;
-#define pgd_val(x) (x)
-#define pgprot_val(x) (x)
+#define __pgd(x) (x)
+static inline unsigned long pgd_val(pgd_t pgd)
+{
+ return pgd;
+}
typedef unsigned long pgprot_t;
-#define __pgd(x) (x)
+#define pgprot_val(x) (x)
#define __pgprot(x) (x)
#endif
typedef struct { signed long pd; } hugepd_t;
-#ifdef CONFIG_HUGETLB_PAGE
-#ifdef CONFIG_PPC_BOOK3S_64
-#ifdef CONFIG_PPC_64K_PAGES
-/*
- * With 64k page size, we have hugepage ptes in the pgd and pmd entries. We don't
- * need to setup hugepage directory for them. Our pte and page directory format
- * enable us to have this enabled. But to avoid errors when implementing new
- * features disable hugepd for 64K. We enable a debug version here, So we catch
- * wrong usage.
- */
-#ifdef CONFIG_DEBUG_VM
-extern int hugepd_ok(hugepd_t hpd);
-#else
-#define hugepd_ok(x) (0)
-#endif
-#else
-static inline int hugepd_ok(hugepd_t hpd)
-{
- /*
- * hugepd pointer, bottom two bits == 00 and next 4 bits
- * indicate size of table
- */
- return (((hpd.pd & 0x3) == 0x0) && ((hpd.pd & HUGEPD_SHIFT_MASK) != 0));
-}
-#endif
-#else
-static inline int hugepd_ok(hugepd_t hpd)
-{
- return (hpd.pd > 0);
-}
-#endif
-
-#define is_hugepd(hpd) (hugepd_ok(hpd))
-#define pgd_huge pgd_huge
-int pgd_huge(pgd_t pgd);
-#else /* CONFIG_HUGETLB_PAGE */
-#define is_hugepd(pdep) 0
-#define pgd_huge(pgd) 0
+#ifndef CONFIG_HUGETLB_PAGE
+#define is_hugepd(pdep) (0)
+#define pgd_huge(pgd) (0)
#endif /* CONFIG_HUGETLB_PAGE */
+
#define __hugepd(x) ((hugepd_t) { (x) })
struct page;
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 37fc53587..54843ca5f 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -205,6 +205,7 @@ struct pci_dn {
int pci_ext_config_space; /* for pci devices */
+ struct pci_dev *pcidev; /* back-pointer to the pci device */
#ifdef CONFIG_EEH
struct eeh_dev *edev; /* eeh device */
#endif
diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h
index 3453bd8dc..6f8065a7d 100644
--- a/arch/powerpc/include/asm/pci.h
+++ b/arch/powerpc/include/asm/pci.h
@@ -149,4 +149,8 @@ extern void pcibios_setup_phb_io_space(struct pci_controller *hose);
extern void pcibios_scan_phb(struct pci_controller *hose);
#endif /* __KERNEL__ */
+
+extern struct pci_dev *pnv_pci_get_gpu_dev(struct pci_dev *npdev);
+extern struct pci_dev *pnv_pci_get_npu_dev(struct pci_dev *gpdev, int index);
+
#endif /* __ASM_POWERPC_PCI_H */
diff --git a/arch/powerpc/include/asm/pgalloc-32.h b/arch/powerpc/include/asm/pgalloc-32.h
index 842846c1b..76d6b9e0c 100644
--- a/arch/powerpc/include/asm/pgalloc-32.h
+++ b/arch/powerpc/include/asm/pgalloc-32.h
@@ -21,16 +21,34 @@ extern void pgd_free(struct mm_struct *mm, pgd_t *pgd);
/* #define pgd_populate(mm, pmd, pte) BUG() */
#ifndef CONFIG_BOOKE
-#define pmd_populate_kernel(mm, pmd, pte) \
- (pmd_val(*(pmd)) = __pa(pte) | _PMD_PRESENT)
-#define pmd_populate(mm, pmd, pte) \
- (pmd_val(*(pmd)) = (page_to_pfn(pte) << PAGE_SHIFT) | _PMD_PRESENT)
+
+static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp,
+ pte_t *pte)
+{
+ *pmdp = __pmd(__pa(pte) | _PMD_PRESENT);
+}
+
+static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp,
+ pgtable_t pte_page)
+{
+ *pmdp = __pmd((page_to_pfn(pte_page) << PAGE_SHIFT) | _PMD_PRESENT);
+}
+
#define pmd_pgtable(pmd) pmd_page(pmd)
#else
-#define pmd_populate_kernel(mm, pmd, pte) \
- (pmd_val(*(pmd)) = (unsigned long)pte | _PMD_PRESENT)
-#define pmd_populate(mm, pmd, pte) \
- (pmd_val(*(pmd)) = (unsigned long)lowmem_page_address(pte) | _PMD_PRESENT)
+
+static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmdp,
+ pte_t *pte)
+{
+ *pmdp = __pmd((unsigned long)pte | _PMD_PRESENT);
+}
+
+static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmdp,
+ pgtable_t pte_page)
+{
+ *pmdp = __pmd((unsigned long)lowmem_page_address(pte_page) | _PMD_PRESENT);
+}
+
#define pmd_pgtable(pmd) pmd_page(pmd)
#endif
diff --git a/arch/powerpc/include/asm/pgalloc-64.h b/arch/powerpc/include/asm/pgalloc-64.h
index 4b0be20fc..69ef28a81 100644
--- a/arch/powerpc/include/asm/pgalloc-64.h
+++ b/arch/powerpc/include/asm/pgalloc-64.h
@@ -53,7 +53,7 @@ static inline void pgd_free(struct mm_struct *mm, pgd_t *pgd)
#ifndef CONFIG_PPC_64K_PAGES
-#define pgd_populate(MM, PGD, PUD) pgd_set(PGD, PUD)
+#define pgd_populate(MM, PGD, PUD) pgd_set(PGD, (unsigned long)PUD)
static inline pud_t *pud_alloc_one(struct mm_struct *mm, unsigned long addr)
{
@@ -71,9 +71,18 @@ static inline void pud_populate(struct mm_struct *mm, pud_t *pud, pmd_t *pmd)
pud_set(pud, (unsigned long)pmd);
}
-#define pmd_populate(mm, pmd, pte_page) \
- pmd_populate_kernel(mm, pmd, page_address(pte_page))
-#define pmd_populate_kernel(mm, pmd, pte) pmd_set(pmd, (unsigned long)(pte))
+static inline void pmd_populate_kernel(struct mm_struct *mm, pmd_t *pmd,
+ pte_t *pte)
+{
+ pmd_set(pmd, (unsigned long)pte);
+}
+
+static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
+ pgtable_t pte_page)
+{
+ pmd_set(pmd, (unsigned long)page_address(pte_page));
+}
+
#define pmd_pgtable(pmd) pmd_page(pmd)
static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
@@ -154,16 +163,6 @@ static inline void __pte_free_tlb(struct mmu_gather *tlb, pgtable_t table,
}
#else /* if CONFIG_PPC_64K_PAGES */
-/*
- * we support 16 fragments per PTE page.
- */
-#define PTE_FRAG_NR 16
-/*
- * We use a 2K PTE page fragment and another 2K for storing
- * real_pte_t hash index
- */
-#define PTE_FRAG_SIZE_SHIFT 12
-#define PTE_FRAG_SIZE (2 * PTRS_PER_PTE * sizeof(pte_t))
extern pte_t *page_table_alloc(struct mm_struct *, unsigned long, int);
extern void page_table_free(struct mm_struct *, unsigned long *, int);
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index b64b4212b..ac9fb114e 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -1,6 +1,5 @@
#ifndef _ASM_POWERPC_PGTABLE_H
#define _ASM_POWERPC_PGTABLE_H
-#ifdef __KERNEL__
#ifndef __ASSEMBLY__
#include <linux/mmdebug.h>
@@ -13,210 +12,20 @@ struct mm_struct;
#endif /* !__ASSEMBLY__ */
-#if defined(CONFIG_PPC64)
-# include <asm/pgtable-ppc64.h>
+#ifdef CONFIG_PPC_BOOK3S
+#include <asm/book3s/pgtable.h>
#else
-# include <asm/pgtable-ppc32.h>
-#endif
-
-/*
- * We save the slot number & secondary bit in the second half of the
- * PTE page. We use the 8 bytes per each pte entry.
- */
-#define PTE_PAGE_HIDX_OFFSET (PTRS_PER_PTE * 8)
+#include <asm/nohash/pgtable.h>
+#endif /* !CONFIG_PPC_BOOK3S */
#ifndef __ASSEMBLY__
#include <asm/tlbflush.h>
-/* Generic accessors to PTE bits */
-static inline int pte_write(pte_t pte)
-{ return (pte_val(pte) & (_PAGE_RW | _PAGE_RO)) != _PAGE_RO; }
-static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; }
-static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }
-static inline int pte_special(pte_t pte) { return pte_val(pte) & _PAGE_SPECIAL; }
-static inline int pte_none(pte_t pte) { return (pte_val(pte) & ~_PTE_NONE_MASK) == 0; }
-static inline pgprot_t pte_pgprot(pte_t pte) { return __pgprot(pte_val(pte) & PAGE_PROT_BITS); }
-
-#ifdef CONFIG_NUMA_BALANCING
-/*
- * These work without NUMA balancing but the kernel does not care. See the
- * comment in include/asm-generic/pgtable.h . On powerpc, this will only
- * work for user pages and always return true for kernel pages.
- */
-static inline int pte_protnone(pte_t pte)
-{
- return (pte_val(pte) &
- (_PAGE_PRESENT | _PAGE_USER)) == _PAGE_PRESENT;
-}
-
-static inline int pmd_protnone(pmd_t pmd)
-{
- return pte_protnone(pmd_pte(pmd));
-}
-#endif /* CONFIG_NUMA_BALANCING */
-
-static inline int pte_present(pte_t pte)
-{
- return pte_val(pte) & _PAGE_PRESENT;
-}
-
-/* Conversion functions: convert a page and protection to a page entry,
- * and a page entry and page directory to the page they refer to.
- *
- * Even if PTEs can be unsigned long long, a PFN is always an unsigned
- * long for now.
- */
-static inline pte_t pfn_pte(unsigned long pfn, pgprot_t pgprot) {
- return __pte(((pte_basic_t)(pfn) << PTE_RPN_SHIFT) |
- pgprot_val(pgprot)); }
-static inline unsigned long pte_pfn(pte_t pte) {
- return pte_val(pte) >> PTE_RPN_SHIFT; }
-
/* Keep these as a macros to avoid include dependency mess */
#define pte_page(x) pfn_to_page(pte_pfn(x))
#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot))
-/* Generic modifiers for PTE bits */
-static inline pte_t pte_wrprotect(pte_t pte) {
- pte_val(pte) &= ~(_PAGE_RW | _PAGE_HWWRITE);
- pte_val(pte) |= _PAGE_RO; return pte; }
-static inline pte_t pte_mkclean(pte_t pte) {
- pte_val(pte) &= ~(_PAGE_DIRTY | _PAGE_HWWRITE); return pte; }
-static inline pte_t pte_mkold(pte_t pte) {
- pte_val(pte) &= ~_PAGE_ACCESSED; return pte; }
-static inline pte_t pte_mkwrite(pte_t pte) {
- pte_val(pte) &= ~_PAGE_RO;
- pte_val(pte) |= _PAGE_RW; return pte; }
-static inline pte_t pte_mkdirty(pte_t pte) {
- pte_val(pte) |= _PAGE_DIRTY; return pte; }
-static inline pte_t pte_mkyoung(pte_t pte) {
- pte_val(pte) |= _PAGE_ACCESSED; return pte; }
-static inline pte_t pte_mkspecial(pte_t pte) {
- pte_val(pte) |= _PAGE_SPECIAL; return pte; }
-static inline pte_t pte_mkhuge(pte_t pte) {
- return pte; }
-static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
-{
- pte_val(pte) = (pte_val(pte) & _PAGE_CHG_MASK) | pgprot_val(newprot);
- return pte;
-}
-
-
-/* Insert a PTE, top-level function is out of line. It uses an inline
- * low level function in the respective pgtable-* files
- */
-extern void set_pte_at(struct mm_struct *mm, unsigned long addr, pte_t *ptep,
- pte_t pte);
-
-/* This low level function performs the actual PTE insertion
- * Setting the PTE depends on the MMU type and other factors. It's
- * an horrible mess that I'm not going to try to clean up now but
- * I'm keeping it in one place rather than spread around
- */
-static inline void __set_pte_at(struct mm_struct *mm, unsigned long addr,
- pte_t *ptep, pte_t pte, int percpu)
-{
-#if defined(CONFIG_PPC_STD_MMU_32) && defined(CONFIG_SMP) && !defined(CONFIG_PTE_64BIT)
- /* First case is 32-bit Hash MMU in SMP mode with 32-bit PTEs. We use the
- * helper pte_update() which does an atomic update. We need to do that
- * because a concurrent invalidation can clear _PAGE_HASHPTE. If it's a
- * per-CPU PTE such as a kmap_atomic, we do a simple update preserving
- * the hash bits instead (ie, same as the non-SMP case)
- */
- if (percpu)
- *ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE)
- | (pte_val(pte) & ~_PAGE_HASHPTE));
- else
- pte_update(ptep, ~_PAGE_HASHPTE, pte_val(pte));
-
-#elif defined(CONFIG_PPC32) && defined(CONFIG_PTE_64BIT)
- /* Second case is 32-bit with 64-bit PTE. In this case, we
- * can just store as long as we do the two halves in the right order
- * with a barrier in between. This is possible because we take care,
- * in the hash code, to pre-invalidate if the PTE was already hashed,
- * which synchronizes us with any concurrent invalidation.
- * In the percpu case, we also fallback to the simple update preserving
- * the hash bits
- */
- if (percpu) {
- *ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE)
- | (pte_val(pte) & ~_PAGE_HASHPTE));
- return;
- }
-#if _PAGE_HASHPTE != 0
- if (pte_val(*ptep) & _PAGE_HASHPTE)
- flush_hash_entry(mm, ptep, addr);
-#endif
- __asm__ __volatile__("\
- stw%U0%X0 %2,%0\n\
- eieio\n\
- stw%U0%X0 %L2,%1"
- : "=m" (*ptep), "=m" (*((unsigned char *)ptep+4))
- : "r" (pte) : "memory");
-
-#elif defined(CONFIG_PPC_STD_MMU_32)
- /* Third case is 32-bit hash table in UP mode, we need to preserve
- * the _PAGE_HASHPTE bit since we may not have invalidated the previous
- * translation in the hash yet (done in a subsequent flush_tlb_xxx())
- * and see we need to keep track that this PTE needs invalidating
- */
- *ptep = __pte((pte_val(*ptep) & _PAGE_HASHPTE)
- | (pte_val(pte) & ~_PAGE_HASHPTE));
-
-#else
- /* Anything else just stores the PTE normally. That covers all 64-bit
- * cases, and 32-bit non-hash with 32-bit PTEs.
- */
- *ptep = pte;
-
-#ifdef CONFIG_PPC_BOOK3E_64
- /*
- * With hardware tablewalk, a sync is needed to ensure that
- * subsequent accesses see the PTE we just wrote. Unlike userspace
- * mappings, we can't tolerate spurious faults, so make sure
- * the new PTE will be seen the first time.
- */
- if (is_kernel_addr(addr))
- mb();
-#endif
-#endif
-}
-
-
-#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
-extern int ptep_set_access_flags(struct vm_area_struct *vma, unsigned long address,
- pte_t *ptep, pte_t entry, int dirty);
-
-/*
- * Macro to mark a page protection value as "uncacheable".
- */
-
-#define _PAGE_CACHE_CTL (_PAGE_COHERENT | _PAGE_GUARDED | _PAGE_NO_CACHE | \
- _PAGE_WRITETHRU)
-
-#define pgprot_noncached(prot) (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \
- _PAGE_NO_CACHE | _PAGE_GUARDED))
-
-#define pgprot_noncached_wc(prot) (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \
- _PAGE_NO_CACHE))
-
-#define pgprot_cached(prot) (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \
- _PAGE_COHERENT))
-
-#define pgprot_cached_wthru(prot) (__pgprot((pgprot_val(prot) & ~_PAGE_CACHE_CTL) | \
- _PAGE_COHERENT | _PAGE_WRITETHRU))
-
-#define pgprot_cached_noncoherent(prot) \
- (__pgprot(pgprot_val(prot) & ~_PAGE_CACHE_CTL))
-
-#define pgprot_writecombine pgprot_noncached_wc
-
-struct file;
-extern pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
- unsigned long size, pgprot_t vma_prot);
-#define __HAVE_PHYS_MEM_ACCESS_PROT
-
/*
* ZERO_PAGE is a global shared page that is always zero: used
* for zero-mapped memory areas etc..
@@ -271,5 +80,4 @@ static inline pte_t *find_linux_pte_or_hugepte(pgd_t *pgdir, unsigned long ea,
}
#endif /* __ASSEMBLY__ */
-#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_PGTABLE_H */
diff --git a/arch/powerpc/include/asm/plpar_wrappers.h b/arch/powerpc/include/asm/plpar_wrappers.h
index 67859edbf..1b394247a 100644
--- a/arch/powerpc/include/asm/plpar_wrappers.h
+++ b/arch/powerpc/include/asm/plpar_wrappers.h
@@ -202,6 +202,23 @@ static inline long plpar_pte_read_raw(unsigned long flags, unsigned long ptex,
}
/*
+ * ptes must be 8*sizeof(unsigned long)
+ */
+static inline long plpar_pte_read_4(unsigned long flags, unsigned long ptex,
+ unsigned long *ptes)
+
+{
+ long rc;
+ unsigned long retbuf[PLPAR_HCALL9_BUFSIZE];
+
+ rc = plpar_hcall9(H_READ, retbuf, flags | H_READ_4, ptex);
+
+ memcpy(ptes, retbuf, 8*sizeof(unsigned long));
+
+ return rc;
+}
+
+/*
* plpar_pte_read_4_raw can be called in real mode.
* ptes must be 8*sizeof(unsigned long)
*/
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index dd0fc18d8..499d9f894 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -413,24 +413,6 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
FTR_SECTION_ELSE_NESTED(848); \
mtocrf (FXM), RS; \
ALT_FTR_SECTION_END_NESTED_IFCLR(CPU_FTR_NOEXECUTE, 848)
-
-/*
- * PPR restore macros used in entry_64.S
- * Used for P7 or later processors
- */
-#define HMT_MEDIUM_LOW_HAS_PPR \
-BEGIN_FTR_SECTION_NESTED(944) \
- HMT_MEDIUM_LOW; \
-END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,944)
-
-#define SET_DEFAULT_THREAD_PPR(ra, rb) \
-BEGIN_FTR_SECTION_NESTED(945) \
- lis ra,INIT_PPR@highest; /* default ppr=3 */ \
- ld rb,PACACURRENT(r13); \
- sldi ra,ra,32; /* 11- 13 bits are used for ppr */ \
- std ra,TASKTHREADPPR(rb); \
-END_FTR_SECTION_NESTED(CPU_FTR_HAS_PPR,CPU_FTR_HAS_PPR,945)
-
#endif
/*
diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h
index 5afea361b..ac2330820 100644
--- a/arch/powerpc/include/asm/processor.h
+++ b/arch/powerpc/include/asm/processor.h
@@ -88,12 +88,6 @@ struct task_struct;
void start_thread(struct pt_regs *regs, unsigned long fdptr, unsigned long sp);
void release_thread(struct task_struct *);
-/* Lazy FPU handling on uni-processor */
-extern struct task_struct *last_task_used_math;
-extern struct task_struct *last_task_used_altivec;
-extern struct task_struct *last_task_used_vsx;
-extern struct task_struct *last_task_used_spe;
-
#ifdef CONFIG_PPC32
#if CONFIG_TASK_SIZE > CONFIG_KERNEL_START
@@ -294,6 +288,7 @@ struct thread_struct {
#endif
#ifdef CONFIG_PPC64
unsigned long dscr;
+ unsigned long fscr;
/*
* This member element dscr_inherit indicates that the process
* has explicitly attempted and changed the DSCR register value
@@ -385,8 +380,6 @@ extern int set_endian(struct task_struct *tsk, unsigned int val);
extern int get_unalign_ctl(struct task_struct *tsk, unsigned long adr);
extern int set_unalign_ctl(struct task_struct *tsk, unsigned int val);
-extern void fp_enable(void);
-extern void vec_enable(void);
extern void load_fp_state(struct thread_fp_state *fp);
extern void store_fp_state(struct thread_fp_state *fp);
extern void load_vr_state(struct thread_vr_state *vr);
diff --git a/arch/powerpc/include/asm/pte-common.h b/arch/powerpc/include/asm/pte-common.h
index 71537a319..1ec67b043 100644
--- a/arch/powerpc/include/asm/pte-common.h
+++ b/arch/powerpc/include/asm/pte-common.h
@@ -40,6 +40,11 @@
#else
#define _PAGE_RW 0
#endif
+
+#ifndef _PAGE_PTE
+#define _PAGE_PTE 0
+#endif
+
#ifndef _PMD_PRESENT_MASK
#define _PMD_PRESENT_MASK _PMD_PRESENT
#endif
diff --git a/arch/powerpc/include/asm/pte-hash64-4k.h b/arch/powerpc/include/asm/pte-hash64-4k.h
deleted file mode 100644
index c134e809a..000000000
--- a/arch/powerpc/include/asm/pte-hash64-4k.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/* To be include by pgtable-hash64.h only */
-
-/* PTE bits */
-#define _PAGE_HASHPTE 0x0400 /* software: pte has an associated HPTE */
-#define _PAGE_SECONDARY 0x8000 /* software: HPTE is in secondary group */
-#define _PAGE_GROUP_IX 0x7000 /* software: HPTE index within group */
-#define _PAGE_F_SECOND _PAGE_SECONDARY
-#define _PAGE_F_GIX _PAGE_GROUP_IX
-#define _PAGE_SPECIAL 0x10000 /* software: special page */
-
-/* PTE flags to conserve for HPTE identification */
-#define _PAGE_HPTEFLAGS (_PAGE_BUSY | _PAGE_HASHPTE | \
- _PAGE_SECONDARY | _PAGE_GROUP_IX)
-
-/* shift to put page number into pte */
-#define PTE_RPN_SHIFT (17)
-
diff --git a/arch/powerpc/include/asm/pte-hash64-64k.h b/arch/powerpc/include/asm/pte-hash64-64k.h
deleted file mode 100644
index 4f4ec2ab4..000000000
--- a/arch/powerpc/include/asm/pte-hash64-64k.h
+++ /dev/null
@@ -1,102 +0,0 @@
-/* To be include by pgtable-hash64.h only */
-
-/* Additional PTE bits (don't change without checking asm in hash_low.S) */
-#define _PAGE_SPECIAL 0x00000400 /* software: special page */
-#define _PAGE_HPTE_SUB 0x0ffff000 /* combo only: sub pages HPTE bits */
-#define _PAGE_HPTE_SUB0 0x08000000 /* combo only: first sub page */
-#define _PAGE_COMBO 0x10000000 /* this is a combo 4k page */
-#define _PAGE_4K_PFN 0x20000000 /* PFN is for a single 4k page */
-
-/* For 64K page, we don't have a separate _PAGE_HASHPTE bit. Instead,
- * we set that to be the whole sub-bits mask. The C code will only
- * test this, so a multi-bit mask will work. For combo pages, this
- * is equivalent as effectively, the old _PAGE_HASHPTE was an OR of
- * all the sub bits. For real 64k pages, we now have the assembly set
- * _PAGE_HPTE_SUB0 in addition to setting the HIDX bits which overlap
- * that mask. This is fine as long as the HIDX bits are never set on
- * a PTE that isn't hashed, which is the case today.
- *
- * A little nit is for the huge page C code, which does the hashing
- * in C, we need to provide which bit to use.
- */
-#define _PAGE_HASHPTE _PAGE_HPTE_SUB
-
-/* Note the full page bits must be in the same location as for normal
- * 4k pages as the same assembly will be used to insert 64K pages
- * whether the kernel has CONFIG_PPC_64K_PAGES or not
- */
-#define _PAGE_F_SECOND 0x00008000 /* full page: hidx bits */
-#define _PAGE_F_GIX 0x00007000 /* full page: hidx bits */
-
-/* PTE flags to conserve for HPTE identification */
-#define _PAGE_HPTEFLAGS (_PAGE_BUSY | _PAGE_HASHPTE | _PAGE_COMBO)
-
-/* Shift to put page number into pte.
- *
- * That gives us a max RPN of 34 bits, which means a max of 50 bits
- * of addressable physical space, or 46 bits for the special 4k PFNs.
- */
-#define PTE_RPN_SHIFT (30)
-
-#ifndef __ASSEMBLY__
-
-/*
- * With 64K pages on hash table, we have a special PTE format that
- * uses a second "half" of the page table to encode sub-page information
- * in order to deal with 64K made of 4K HW pages. Thus we override the
- * generic accessors and iterators here
- */
-#define __real_pte __real_pte
-static inline real_pte_t __real_pte(pte_t pte, pte_t *ptep)
-{
- real_pte_t rpte;
-
- rpte.pte = pte;
- rpte.hidx = 0;
- if (pte_val(pte) & _PAGE_COMBO) {
- /*
- * Make sure we order the hidx load against the _PAGE_COMBO
- * check. The store side ordering is done in __hash_page_4K
- */
- smp_rmb();
- rpte.hidx = pte_val(*((ptep) + PTRS_PER_PTE));
- }
- return rpte;
-}
-
-static inline unsigned long __rpte_to_hidx(real_pte_t rpte, unsigned long index)
-{
- if ((pte_val(rpte.pte) & _PAGE_COMBO))
- return (rpte.hidx >> (index<<2)) & 0xf;
- return (pte_val(rpte.pte) >> 12) & 0xf;
-}
-
-#define __rpte_to_pte(r) ((r).pte)
-#define __rpte_sub_valid(rpte, index) \
- (pte_val(rpte.pte) & (_PAGE_HPTE_SUB0 >> (index)))
-
-/* Trick: we set __end to va + 64k, which happens works for
- * a 16M page as well as we want only one iteration
- */
-#define pte_iterate_hashed_subpages(rpte, psize, vpn, index, shift) \
- do { \
- unsigned long __end = vpn + (1UL << (PAGE_SHIFT - VPN_SHIFT)); \
- unsigned __split = (psize == MMU_PAGE_4K || \
- psize == MMU_PAGE_64K_AP); \
- shift = mmu_psize_defs[psize].shift; \
- for (index = 0; vpn < __end; index++, \
- vpn += (1L << (shift - VPN_SHIFT))) { \
- if (!__split || __rpte_sub_valid(rpte, index)) \
- do {
-
-#define pte_iterate_hashed_end() } while(0); } } while(0)
-
-#define pte_pagesize_index(mm, addr, pte) \
- (((pte) & _PAGE_COMBO)? MMU_PAGE_4K: MMU_PAGE_64K)
-
-#define remap_4k_pfn(vma, addr, pfn, prot) \
- (WARN_ON(((pfn) >= (1UL << (64 - PTE_RPN_SHIFT)))) ? -EINVAL : \
- remap_pfn_range((vma), (addr), (pfn), PAGE_SIZE, \
- __pgprot(pgprot_val((prot)) | _PAGE_4K_PFN)))
-
-#endif /* __ASSEMBLY__ */
diff --git a/arch/powerpc/include/asm/pte-hash64.h b/arch/powerpc/include/asm/pte-hash64.h
deleted file mode 100644
index ef612c160..000000000
--- a/arch/powerpc/include/asm/pte-hash64.h
+++ /dev/null
@@ -1,54 +0,0 @@
-#ifndef _ASM_POWERPC_PTE_HASH64_H
-#define _ASM_POWERPC_PTE_HASH64_H
-#ifdef __KERNEL__
-
-/*
- * Common bits between 4K and 64K pages in a linux-style PTE.
- * These match the bits in the (hardware-defined) PowerPC PTE as closely
- * as possible. Additional bits may be defined in pgtable-hash64-*.h
- *
- * Note: We only support user read/write permissions. Supervisor always
- * have full read/write to pages above PAGE_OFFSET (pages below that
- * always use the user access permissions).
- *
- * We could create separate kernel read-only if we used the 3 PP bits
- * combinations that newer processors provide but we currently don't.
- */
-#define _PAGE_PRESENT 0x0001 /* software: pte contains a translation */
-#define _PAGE_USER 0x0002 /* matches one of the PP bits */
-#define _PAGE_BIT_SWAP_TYPE 2
-#define _PAGE_EXEC 0x0004 /* No execute on POWER4 and newer (we invert) */
-#define _PAGE_GUARDED 0x0008
-/* We can derive Memory coherence from _PAGE_NO_CACHE */
-#define _PAGE_NO_CACHE 0x0020 /* I: cache inhibit */
-#define _PAGE_WRITETHRU 0x0040 /* W: cache write-through */
-#define _PAGE_DIRTY 0x0080 /* C: page changed */
-#define _PAGE_ACCESSED 0x0100 /* R: page referenced */
-#define _PAGE_RW 0x0200 /* software: user write access allowed */
-#define _PAGE_BUSY 0x0800 /* software: PTE & hash are busy */
-
-/* No separate kernel read-only */
-#define _PAGE_KERNEL_RW (_PAGE_RW | _PAGE_DIRTY) /* user access blocked by key */
-#define _PAGE_KERNEL_RO _PAGE_KERNEL_RW
-
-/* Strong Access Ordering */
-#define _PAGE_SAO (_PAGE_WRITETHRU | _PAGE_NO_CACHE | _PAGE_COHERENT)
-
-/* No page size encoding in the linux PTE */
-#define _PAGE_PSIZE 0
-
-/* PTEIDX nibble */
-#define _PTEIDX_SECONDARY 0x8
-#define _PTEIDX_GROUP_IX 0x7
-
-/* Hash table based platforms need atomic updates of the linux PTE */
-#define PTE_ATOMIC_UPDATES 1
-
-#ifdef CONFIG_PPC_64K_PAGES
-#include <asm/pte-hash64-64k.h>
-#else
-#include <asm/pte-hash64-4k.h>
-#endif
-
-#endif /* __KERNEL__ */
-#endif /* _ASM_POWERPC_PTE_HASH64_H */
diff --git a/arch/powerpc/include/asm/qe.h b/arch/powerpc/include/asm/qe.h
deleted file mode 100644
index 32b9bfa0c..000000000
--- a/arch/powerpc/include/asm/qe.h
+++ /dev/null
@@ -1,740 +0,0 @@
-/*
- * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
- *
- * Authors: Shlomi Gridish <gridish@freescale.com>
- * Li Yang <leoli@freescale.com>
- *
- * Description:
- * QUICC Engine (QE) external definitions and structure.
- *
- * 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.
- */
-#ifndef _ASM_POWERPC_QE_H
-#define _ASM_POWERPC_QE_H
-#ifdef __KERNEL__
-
-#include <linux/spinlock.h>
-#include <linux/errno.h>
-#include <linux/err.h>
-#include <asm/cpm.h>
-#include <asm/immap_qe.h>
-
-#define QE_NUM_OF_SNUM 256 /* There are 256 serial number in QE */
-#define QE_NUM_OF_BRGS 16
-#define QE_NUM_OF_PORTS 1024
-
-/* Memory partitions
-*/
-#define MEM_PART_SYSTEM 0
-#define MEM_PART_SECONDARY 1
-#define MEM_PART_MURAM 2
-
-/* Clocks and BRGs */
-enum qe_clock {
- QE_CLK_NONE = 0,
- QE_BRG1, /* Baud Rate Generator 1 */
- QE_BRG2, /* Baud Rate Generator 2 */
- QE_BRG3, /* Baud Rate Generator 3 */
- QE_BRG4, /* Baud Rate Generator 4 */
- QE_BRG5, /* Baud Rate Generator 5 */
- QE_BRG6, /* Baud Rate Generator 6 */
- QE_BRG7, /* Baud Rate Generator 7 */
- QE_BRG8, /* Baud Rate Generator 8 */
- QE_BRG9, /* Baud Rate Generator 9 */
- QE_BRG10, /* Baud Rate Generator 10 */
- QE_BRG11, /* Baud Rate Generator 11 */
- QE_BRG12, /* Baud Rate Generator 12 */
- QE_BRG13, /* Baud Rate Generator 13 */
- QE_BRG14, /* Baud Rate Generator 14 */
- QE_BRG15, /* Baud Rate Generator 15 */
- QE_BRG16, /* Baud Rate Generator 16 */
- QE_CLK1, /* Clock 1 */
- QE_CLK2, /* Clock 2 */
- QE_CLK3, /* Clock 3 */
- QE_CLK4, /* Clock 4 */
- QE_CLK5, /* Clock 5 */
- QE_CLK6, /* Clock 6 */
- QE_CLK7, /* Clock 7 */
- QE_CLK8, /* Clock 8 */
- QE_CLK9, /* Clock 9 */
- QE_CLK10, /* Clock 10 */
- QE_CLK11, /* Clock 11 */
- QE_CLK12, /* Clock 12 */
- QE_CLK13, /* Clock 13 */
- QE_CLK14, /* Clock 14 */
- QE_CLK15, /* Clock 15 */
- QE_CLK16, /* Clock 16 */
- QE_CLK17, /* Clock 17 */
- QE_CLK18, /* Clock 18 */
- QE_CLK19, /* Clock 19 */
- QE_CLK20, /* Clock 20 */
- QE_CLK21, /* Clock 21 */
- QE_CLK22, /* Clock 22 */
- QE_CLK23, /* Clock 23 */
- QE_CLK24, /* Clock 24 */
- QE_CLK_DUMMY
-};
-
-static inline bool qe_clock_is_brg(enum qe_clock clk)
-{
- return clk >= QE_BRG1 && clk <= QE_BRG16;
-}
-
-extern spinlock_t cmxgcr_lock;
-
-/* Export QE common operations */
-#ifdef CONFIG_QUICC_ENGINE
-extern void qe_reset(void);
-#else
-static inline void qe_reset(void) {}
-#endif
-
-/* QE PIO */
-#define QE_PIO_PINS 32
-
-struct qe_pio_regs {
- __be32 cpodr; /* Open drain register */
- __be32 cpdata; /* Data register */
- __be32 cpdir1; /* Direction register */
- __be32 cpdir2; /* Direction register */
- __be32 cppar1; /* Pin assignment register */
- __be32 cppar2; /* Pin assignment register */
-#ifdef CONFIG_PPC_85xx
- u8 pad[8];
-#endif
-};
-
-#define QE_PIO_DIR_IN 2
-#define QE_PIO_DIR_OUT 1
-extern void __par_io_config_pin(struct qe_pio_regs __iomem *par_io, u8 pin,
- int dir, int open_drain, int assignment,
- int has_irq);
-#ifdef CONFIG_QUICC_ENGINE
-extern int par_io_init(struct device_node *np);
-extern int par_io_of_config(struct device_node *np);
-extern int par_io_config_pin(u8 port, u8 pin, int dir, int open_drain,
- int assignment, int has_irq);
-extern int par_io_data_set(u8 port, u8 pin, u8 val);
-#else
-static inline int par_io_init(struct device_node *np) { return -ENOSYS; }
-static inline int par_io_of_config(struct device_node *np) { return -ENOSYS; }
-static inline int par_io_config_pin(u8 port, u8 pin, int dir, int open_drain,
- int assignment, int has_irq) { return -ENOSYS; }
-static inline int par_io_data_set(u8 port, u8 pin, u8 val) { return -ENOSYS; }
-#endif /* CONFIG_QUICC_ENGINE */
-
-/*
- * Pin multiplexing functions.
- */
-struct qe_pin;
-#ifdef CONFIG_QE_GPIO
-extern struct qe_pin *qe_pin_request(struct device_node *np, int index);
-extern void qe_pin_free(struct qe_pin *qe_pin);
-extern void qe_pin_set_gpio(struct qe_pin *qe_pin);
-extern void qe_pin_set_dedicated(struct qe_pin *pin);
-#else
-static inline struct qe_pin *qe_pin_request(struct device_node *np, int index)
-{
- return ERR_PTR(-ENOSYS);
-}
-static inline void qe_pin_free(struct qe_pin *qe_pin) {}
-static inline void qe_pin_set_gpio(struct qe_pin *qe_pin) {}
-static inline void qe_pin_set_dedicated(struct qe_pin *pin) {}
-#endif /* CONFIG_QE_GPIO */
-
-#ifdef CONFIG_QUICC_ENGINE
-int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol, u32 cmd_input);
-#else
-static inline int qe_issue_cmd(u32 cmd, u32 device, u8 mcn_protocol,
- u32 cmd_input)
-{
- return -ENOSYS;
-}
-#endif /* CONFIG_QUICC_ENGINE */
-
-/* QE internal API */
-enum qe_clock qe_clock_source(const char *source);
-unsigned int qe_get_brg_clk(void);
-int qe_setbrg(enum qe_clock brg, unsigned int rate, unsigned int multiplier);
-int qe_get_snum(void);
-void qe_put_snum(u8 snum);
-unsigned int qe_get_num_of_risc(void);
-unsigned int qe_get_num_of_snums(void);
-
-static inline int qe_alive_during_sleep(void)
-{
- /*
- * MPC8568E reference manual says:
- *
- * "...power down sequence waits for all I/O interfaces to become idle.
- * In some applications this may happen eventually without actively
- * shutting down interfaces, but most likely, software will have to
- * take steps to shut down the eTSEC, QUICC Engine Block, and PCI
- * interfaces before issuing the command (either the write to the core
- * MSR[WE] as described above or writing to POWMGTCSR) to put the
- * device into sleep state."
- *
- * MPC8569E reference manual has a similar paragraph.
- */
-#ifdef CONFIG_PPC_85xx
- return 0;
-#else
- return 1;
-#endif
-}
-
-/* we actually use cpm_muram implementation, define this for convenience */
-#define qe_muram_init cpm_muram_init
-#define qe_muram_alloc cpm_muram_alloc
-#define qe_muram_alloc_fixed cpm_muram_alloc_fixed
-#define qe_muram_free cpm_muram_free
-#define qe_muram_addr cpm_muram_addr
-#define qe_muram_offset cpm_muram_offset
-
-/* Structure that defines QE firmware binary files.
- *
- * See Documentation/powerpc/qe_firmware.txt for a description of these
- * fields.
- */
-struct qe_firmware {
- struct qe_header {
- __be32 length; /* Length of the entire structure, in bytes */
- u8 magic[3]; /* Set to { 'Q', 'E', 'F' } */
- u8 version; /* Version of this layout. First ver is '1' */
- } header;
- u8 id[62]; /* Null-terminated identifier string */
- u8 split; /* 0 = shared I-RAM, 1 = split I-RAM */
- u8 count; /* Number of microcode[] structures */
- struct {
- __be16 model; /* The SOC model */
- u8 major; /* The SOC revision major */
- u8 minor; /* The SOC revision minor */
- } __attribute__ ((packed)) soc;
- u8 padding[4]; /* Reserved, for alignment */
- __be64 extended_modes; /* Extended modes */
- __be32 vtraps[8]; /* Virtual trap addresses */
- u8 reserved[4]; /* Reserved, for future expansion */
- struct qe_microcode {
- u8 id[32]; /* Null-terminated identifier */
- __be32 traps[16]; /* Trap addresses, 0 == ignore */
- __be32 eccr; /* The value for the ECCR register */
- __be32 iram_offset; /* Offset into I-RAM for the code */
- __be32 count; /* Number of 32-bit words of the code */
- __be32 code_offset; /* Offset of the actual microcode */
- u8 major; /* The microcode version major */
- u8 minor; /* The microcode version minor */
- u8 revision; /* The microcode version revision */
- u8 padding; /* Reserved, for alignment */
- u8 reserved[4]; /* Reserved, for future expansion */
- } __attribute__ ((packed)) microcode[1];
- /* All microcode binaries should be located here */
- /* CRC32 should be located here, after the microcode binaries */
-} __attribute__ ((packed));
-
-struct qe_firmware_info {
- char id[64]; /* Firmware name */
- u32 vtraps[8]; /* Virtual trap addresses */
- u64 extended_modes; /* Extended modes */
-};
-
-#ifdef CONFIG_QUICC_ENGINE
-/* Upload a firmware to the QE */
-int qe_upload_firmware(const struct qe_firmware *firmware);
-#else
-static inline int qe_upload_firmware(const struct qe_firmware *firmware)
-{
- return -ENOSYS;
-}
-#endif /* CONFIG_QUICC_ENGINE */
-
-/* Obtain information on the uploaded firmware */
-struct qe_firmware_info *qe_get_firmware_info(void);
-
-/* QE USB */
-int qe_usb_clock_set(enum qe_clock clk, int rate);
-
-/* Buffer descriptors */
-struct qe_bd {
- __be16 status;
- __be16 length;
- __be32 buf;
-} __attribute__ ((packed));
-
-#define BD_STATUS_MASK 0xffff0000
-#define BD_LENGTH_MASK 0x0000ffff
-
-/* Alignment */
-#define QE_INTR_TABLE_ALIGN 16 /* ??? */
-#define QE_ALIGNMENT_OF_BD 8
-#define QE_ALIGNMENT_OF_PRAM 64
-
-/* RISC allocation */
-#define QE_RISC_ALLOCATION_RISC1 0x1 /* RISC 1 */
-#define QE_RISC_ALLOCATION_RISC2 0x2 /* RISC 2 */
-#define QE_RISC_ALLOCATION_RISC3 0x4 /* RISC 3 */
-#define QE_RISC_ALLOCATION_RISC4 0x8 /* RISC 4 */
-#define QE_RISC_ALLOCATION_RISC1_AND_RISC2 (QE_RISC_ALLOCATION_RISC1 | \
- QE_RISC_ALLOCATION_RISC2)
-#define QE_RISC_ALLOCATION_FOUR_RISCS (QE_RISC_ALLOCATION_RISC1 | \
- QE_RISC_ALLOCATION_RISC2 | \
- QE_RISC_ALLOCATION_RISC3 | \
- QE_RISC_ALLOCATION_RISC4)
-
-/* QE extended filtering Table Lookup Key Size */
-enum qe_fltr_tbl_lookup_key_size {
- QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES
- = 0x3f, /* LookupKey parsed by the Generate LookupKey
- CMD is truncated to 8 bytes */
- QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES
- = 0x5f, /* LookupKey parsed by the Generate LookupKey
- CMD is truncated to 16 bytes */
-};
-
-/* QE FLTR extended filtering Largest External Table Lookup Key Size */
-enum qe_fltr_largest_external_tbl_lookup_key_size {
- QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_NONE
- = 0x0,/* not used */
- QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_8_BYTES
- = QE_FLTR_TABLE_LOOKUP_KEY_SIZE_8_BYTES, /* 8 bytes */
- QE_FLTR_LARGEST_EXTERNAL_TABLE_LOOKUP_KEY_SIZE_16_BYTES
- = QE_FLTR_TABLE_LOOKUP_KEY_SIZE_16_BYTES, /* 16 bytes */
-};
-
-/* structure representing QE parameter RAM */
-struct qe_timer_tables {
- u16 tm_base; /* QE timer table base adr */
- u16 tm_ptr; /* QE timer table pointer */
- u16 r_tmr; /* QE timer mode register */
- u16 r_tmv; /* QE timer valid register */
- u32 tm_cmd; /* QE timer cmd register */
- u32 tm_cnt; /* QE timer internal cnt */
-} __attribute__ ((packed));
-
-#define QE_FLTR_TAD_SIZE 8
-
-/* QE extended filtering Termination Action Descriptor (TAD) */
-struct qe_fltr_tad {
- u8 serialized[QE_FLTR_TAD_SIZE];
-} __attribute__ ((packed));
-
-/* Communication Direction */
-enum comm_dir {
- COMM_DIR_NONE = 0,
- COMM_DIR_RX = 1,
- COMM_DIR_TX = 2,
- COMM_DIR_RX_AND_TX = 3
-};
-
-/* QE CMXUCR Registers.
- * There are two UCCs represented in each of the four CMXUCR registers.
- * These values are for the UCC in the LSBs
- */
-#define QE_CMXUCR_MII_ENET_MNG 0x00007000
-#define QE_CMXUCR_MII_ENET_MNG_SHIFT 12
-#define QE_CMXUCR_GRANT 0x00008000
-#define QE_CMXUCR_TSA 0x00004000
-#define QE_CMXUCR_BKPT 0x00000100
-#define QE_CMXUCR_TX_CLK_SRC_MASK 0x0000000F
-
-/* QE CMXGCR Registers.
-*/
-#define QE_CMXGCR_MII_ENET_MNG 0x00007000
-#define QE_CMXGCR_MII_ENET_MNG_SHIFT 12
-#define QE_CMXGCR_USBCS 0x0000000f
-#define QE_CMXGCR_USBCS_CLK3 0x1
-#define QE_CMXGCR_USBCS_CLK5 0x2
-#define QE_CMXGCR_USBCS_CLK7 0x3
-#define QE_CMXGCR_USBCS_CLK9 0x4
-#define QE_CMXGCR_USBCS_CLK13 0x5
-#define QE_CMXGCR_USBCS_CLK17 0x6
-#define QE_CMXGCR_USBCS_CLK19 0x7
-#define QE_CMXGCR_USBCS_CLK21 0x8
-#define QE_CMXGCR_USBCS_BRG9 0x9
-#define QE_CMXGCR_USBCS_BRG10 0xa
-
-/* QE CECR Commands.
-*/
-#define QE_CR_FLG 0x00010000
-#define QE_RESET 0x80000000
-#define QE_INIT_TX_RX 0x00000000
-#define QE_INIT_RX 0x00000001
-#define QE_INIT_TX 0x00000002
-#define QE_ENTER_HUNT_MODE 0x00000003
-#define QE_STOP_TX 0x00000004
-#define QE_GRACEFUL_STOP_TX 0x00000005
-#define QE_RESTART_TX 0x00000006
-#define QE_CLOSE_RX_BD 0x00000007
-#define QE_SWITCH_COMMAND 0x00000007
-#define QE_SET_GROUP_ADDRESS 0x00000008
-#define QE_START_IDMA 0x00000009
-#define QE_MCC_STOP_RX 0x00000009
-#define QE_ATM_TRANSMIT 0x0000000a
-#define QE_HPAC_CLEAR_ALL 0x0000000b
-#define QE_GRACEFUL_STOP_RX 0x0000001a
-#define QE_RESTART_RX 0x0000001b
-#define QE_HPAC_SET_PRIORITY 0x0000010b
-#define QE_HPAC_STOP_TX 0x0000020b
-#define QE_HPAC_STOP_RX 0x0000030b
-#define QE_HPAC_GRACEFUL_STOP_TX 0x0000040b
-#define QE_HPAC_GRACEFUL_STOP_RX 0x0000050b
-#define QE_HPAC_START_TX 0x0000060b
-#define QE_HPAC_START_RX 0x0000070b
-#define QE_USB_STOP_TX 0x0000000a
-#define QE_USB_RESTART_TX 0x0000000c
-#define QE_QMC_STOP_TX 0x0000000c
-#define QE_QMC_STOP_RX 0x0000000d
-#define QE_SS7_SU_FIL_RESET 0x0000000e
-/* jonathbr added from here down for 83xx */
-#define QE_RESET_BCS 0x0000000a
-#define QE_MCC_INIT_TX_RX_16 0x00000003
-#define QE_MCC_STOP_TX 0x00000004
-#define QE_MCC_INIT_TX_1 0x00000005
-#define QE_MCC_INIT_RX_1 0x00000006
-#define QE_MCC_RESET 0x00000007
-#define QE_SET_TIMER 0x00000008
-#define QE_RANDOM_NUMBER 0x0000000c
-#define QE_ATM_MULTI_THREAD_INIT 0x00000011
-#define QE_ASSIGN_PAGE 0x00000012
-#define QE_ADD_REMOVE_HASH_ENTRY 0x00000013
-#define QE_START_FLOW_CONTROL 0x00000014
-#define QE_STOP_FLOW_CONTROL 0x00000015
-#define QE_ASSIGN_PAGE_TO_DEVICE 0x00000016
-
-#define QE_ASSIGN_RISC 0x00000010
-#define QE_CR_MCN_NORMAL_SHIFT 6
-#define QE_CR_MCN_USB_SHIFT 4
-#define QE_CR_MCN_RISC_ASSIGN_SHIFT 8
-#define QE_CR_SNUM_SHIFT 17
-
-/* QE CECR Sub Block - sub block of QE command.
-*/
-#define QE_CR_SUBBLOCK_INVALID 0x00000000
-#define QE_CR_SUBBLOCK_USB 0x03200000
-#define QE_CR_SUBBLOCK_UCCFAST1 0x02000000
-#define QE_CR_SUBBLOCK_UCCFAST2 0x02200000
-#define QE_CR_SUBBLOCK_UCCFAST3 0x02400000
-#define QE_CR_SUBBLOCK_UCCFAST4 0x02600000
-#define QE_CR_SUBBLOCK_UCCFAST5 0x02800000
-#define QE_CR_SUBBLOCK_UCCFAST6 0x02a00000
-#define QE_CR_SUBBLOCK_UCCFAST7 0x02c00000
-#define QE_CR_SUBBLOCK_UCCFAST8 0x02e00000
-#define QE_CR_SUBBLOCK_UCCSLOW1 0x00000000
-#define QE_CR_SUBBLOCK_UCCSLOW2 0x00200000
-#define QE_CR_SUBBLOCK_UCCSLOW3 0x00400000
-#define QE_CR_SUBBLOCK_UCCSLOW4 0x00600000
-#define QE_CR_SUBBLOCK_UCCSLOW5 0x00800000
-#define QE_CR_SUBBLOCK_UCCSLOW6 0x00a00000
-#define QE_CR_SUBBLOCK_UCCSLOW7 0x00c00000
-#define QE_CR_SUBBLOCK_UCCSLOW8 0x00e00000
-#define QE_CR_SUBBLOCK_MCC1 0x03800000
-#define QE_CR_SUBBLOCK_MCC2 0x03a00000
-#define QE_CR_SUBBLOCK_MCC3 0x03000000
-#define QE_CR_SUBBLOCK_IDMA1 0x02800000
-#define QE_CR_SUBBLOCK_IDMA2 0x02a00000
-#define QE_CR_SUBBLOCK_IDMA3 0x02c00000
-#define QE_CR_SUBBLOCK_IDMA4 0x02e00000
-#define QE_CR_SUBBLOCK_HPAC 0x01e00000
-#define QE_CR_SUBBLOCK_SPI1 0x01400000
-#define QE_CR_SUBBLOCK_SPI2 0x01600000
-#define QE_CR_SUBBLOCK_RAND 0x01c00000
-#define QE_CR_SUBBLOCK_TIMER 0x01e00000
-#define QE_CR_SUBBLOCK_GENERAL 0x03c00000
-
-/* QE CECR Protocol - For non-MCC, specifies mode for QE CECR command */
-#define QE_CR_PROTOCOL_UNSPECIFIED 0x00 /* For all other protocols */
-#define QE_CR_PROTOCOL_HDLC_TRANSPARENT 0x00
-#define QE_CR_PROTOCOL_QMC 0x02
-#define QE_CR_PROTOCOL_UART 0x04
-#define QE_CR_PROTOCOL_ATM_POS 0x0A
-#define QE_CR_PROTOCOL_ETHERNET 0x0C
-#define QE_CR_PROTOCOL_L2_SWITCH 0x0D
-
-/* BRG configuration register */
-#define QE_BRGC_ENABLE 0x00010000
-#define QE_BRGC_DIVISOR_SHIFT 1
-#define QE_BRGC_DIVISOR_MAX 0xFFF
-#define QE_BRGC_DIV16 1
-
-/* QE Timers registers */
-#define QE_GTCFR1_PCAS 0x80
-#define QE_GTCFR1_STP2 0x20
-#define QE_GTCFR1_RST2 0x10
-#define QE_GTCFR1_GM2 0x08
-#define QE_GTCFR1_GM1 0x04
-#define QE_GTCFR1_STP1 0x02
-#define QE_GTCFR1_RST1 0x01
-
-/* SDMA registers */
-#define QE_SDSR_BER1 0x02000000
-#define QE_SDSR_BER2 0x01000000
-
-#define QE_SDMR_GLB_1_MSK 0x80000000
-#define QE_SDMR_ADR_SEL 0x20000000
-#define QE_SDMR_BER1_MSK 0x02000000
-#define QE_SDMR_BER2_MSK 0x01000000
-#define QE_SDMR_EB1_MSK 0x00800000
-#define QE_SDMR_ER1_MSK 0x00080000
-#define QE_SDMR_ER2_MSK 0x00040000
-#define QE_SDMR_CEN_MASK 0x0000E000
-#define QE_SDMR_SBER_1 0x00000200
-#define QE_SDMR_SBER_2 0x00000200
-#define QE_SDMR_EB1_PR_MASK 0x000000C0
-#define QE_SDMR_ER1_PR 0x00000008
-
-#define QE_SDMR_CEN_SHIFT 13
-#define QE_SDMR_EB1_PR_SHIFT 6
-
-#define QE_SDTM_MSNUM_SHIFT 24
-
-#define QE_SDEBCR_BA_MASK 0x01FFFFFF
-
-/* Communication Processor */
-#define QE_CP_CERCR_MEE 0x8000 /* Multi-user RAM ECC enable */
-#define QE_CP_CERCR_IEE 0x4000 /* Instruction RAM ECC enable */
-#define QE_CP_CERCR_CIR 0x0800 /* Common instruction RAM */
-
-/* I-RAM */
-#define QE_IRAM_IADD_AIE 0x80000000 /* Auto Increment Enable */
-#define QE_IRAM_IADD_BADDR 0x00080000 /* Base Address */
-#define QE_IRAM_READY 0x80000000 /* Ready */
-
-/* UPC */
-#define UPGCR_PROTOCOL 0x80000000 /* protocol ul2 or pl2 */
-#define UPGCR_TMS 0x40000000 /* Transmit master/slave mode */
-#define UPGCR_RMS 0x20000000 /* Receive master/slave mode */
-#define UPGCR_ADDR 0x10000000 /* Master MPHY Addr multiplexing */
-#define UPGCR_DIAG 0x01000000 /* Diagnostic mode */
-
-/* UCC GUEMR register */
-#define UCC_GUEMR_MODE_MASK_RX 0x02
-#define UCC_GUEMR_MODE_FAST_RX 0x02
-#define UCC_GUEMR_MODE_SLOW_RX 0x00
-#define UCC_GUEMR_MODE_MASK_TX 0x01
-#define UCC_GUEMR_MODE_FAST_TX 0x01
-#define UCC_GUEMR_MODE_SLOW_TX 0x00
-#define UCC_GUEMR_MODE_MASK (UCC_GUEMR_MODE_MASK_RX | UCC_GUEMR_MODE_MASK_TX)
-#define UCC_GUEMR_SET_RESERVED3 0x10 /* Bit 3 in the guemr is reserved but
- must be set 1 */
-
-/* structure representing UCC SLOW parameter RAM */
-struct ucc_slow_pram {
- __be16 rbase; /* RX BD base address */
- __be16 tbase; /* TX BD base address */
- u8 rbmr; /* RX bus mode register (same as CPM's RFCR) */
- u8 tbmr; /* TX bus mode register (same as CPM's TFCR) */
- __be16 mrblr; /* Rx buffer length */
- __be32 rstate; /* Rx internal state */
- __be32 rptr; /* Rx internal data pointer */
- __be16 rbptr; /* rb BD Pointer */
- __be16 rcount; /* Rx internal byte count */
- __be32 rtemp; /* Rx temp */
- __be32 tstate; /* Tx internal state */
- __be32 tptr; /* Tx internal data pointer */
- __be16 tbptr; /* Tx BD pointer */
- __be16 tcount; /* Tx byte count */
- __be32 ttemp; /* Tx temp */
- __be32 rcrc; /* temp receive CRC */
- __be32 tcrc; /* temp transmit CRC */
-} __attribute__ ((packed));
-
-/* General UCC SLOW Mode Register (GUMRH & GUMRL) */
-#define UCC_SLOW_GUMR_H_SAM_QMC 0x00000000
-#define UCC_SLOW_GUMR_H_SAM_SATM 0x00008000
-#define UCC_SLOW_GUMR_H_REVD 0x00002000
-#define UCC_SLOW_GUMR_H_TRX 0x00001000
-#define UCC_SLOW_GUMR_H_TTX 0x00000800
-#define UCC_SLOW_GUMR_H_CDP 0x00000400
-#define UCC_SLOW_GUMR_H_CTSP 0x00000200
-#define UCC_SLOW_GUMR_H_CDS 0x00000100
-#define UCC_SLOW_GUMR_H_CTSS 0x00000080
-#define UCC_SLOW_GUMR_H_TFL 0x00000040
-#define UCC_SLOW_GUMR_H_RFW 0x00000020
-#define UCC_SLOW_GUMR_H_TXSY 0x00000010
-#define UCC_SLOW_GUMR_H_4SYNC 0x00000004
-#define UCC_SLOW_GUMR_H_8SYNC 0x00000008
-#define UCC_SLOW_GUMR_H_16SYNC 0x0000000c
-#define UCC_SLOW_GUMR_H_RTSM 0x00000002
-#define UCC_SLOW_GUMR_H_RSYN 0x00000001
-
-#define UCC_SLOW_GUMR_L_TCI 0x10000000
-#define UCC_SLOW_GUMR_L_RINV 0x02000000
-#define UCC_SLOW_GUMR_L_TINV 0x01000000
-#define UCC_SLOW_GUMR_L_TEND 0x00040000
-#define UCC_SLOW_GUMR_L_TDCR_MASK 0x00030000
-#define UCC_SLOW_GUMR_L_TDCR_32 0x00030000
-#define UCC_SLOW_GUMR_L_TDCR_16 0x00020000
-#define UCC_SLOW_GUMR_L_TDCR_8 0x00010000
-#define UCC_SLOW_GUMR_L_TDCR_1 0x00000000
-#define UCC_SLOW_GUMR_L_RDCR_MASK 0x0000c000
-#define UCC_SLOW_GUMR_L_RDCR_32 0x0000c000
-#define UCC_SLOW_GUMR_L_RDCR_16 0x00008000
-#define UCC_SLOW_GUMR_L_RDCR_8 0x00004000
-#define UCC_SLOW_GUMR_L_RDCR_1 0x00000000
-#define UCC_SLOW_GUMR_L_RENC_NRZI 0x00000800
-#define UCC_SLOW_GUMR_L_RENC_NRZ 0x00000000
-#define UCC_SLOW_GUMR_L_TENC_NRZI 0x00000100
-#define UCC_SLOW_GUMR_L_TENC_NRZ 0x00000000
-#define UCC_SLOW_GUMR_L_DIAG_MASK 0x000000c0
-#define UCC_SLOW_GUMR_L_DIAG_LE 0x000000c0
-#define UCC_SLOW_GUMR_L_DIAG_ECHO 0x00000080
-#define UCC_SLOW_GUMR_L_DIAG_LOOP 0x00000040
-#define UCC_SLOW_GUMR_L_DIAG_NORM 0x00000000
-#define UCC_SLOW_GUMR_L_ENR 0x00000020
-#define UCC_SLOW_GUMR_L_ENT 0x00000010
-#define UCC_SLOW_GUMR_L_MODE_MASK 0x0000000F
-#define UCC_SLOW_GUMR_L_MODE_BISYNC 0x00000008
-#define UCC_SLOW_GUMR_L_MODE_AHDLC 0x00000006
-#define UCC_SLOW_GUMR_L_MODE_UART 0x00000004
-#define UCC_SLOW_GUMR_L_MODE_QMC 0x00000002
-
-/* General UCC FAST Mode Register */
-#define UCC_FAST_GUMR_TCI 0x20000000
-#define UCC_FAST_GUMR_TRX 0x10000000
-#define UCC_FAST_GUMR_TTX 0x08000000
-#define UCC_FAST_GUMR_CDP 0x04000000
-#define UCC_FAST_GUMR_CTSP 0x02000000
-#define UCC_FAST_GUMR_CDS 0x01000000
-#define UCC_FAST_GUMR_CTSS 0x00800000
-#define UCC_FAST_GUMR_TXSY 0x00020000
-#define UCC_FAST_GUMR_RSYN 0x00010000
-#define UCC_FAST_GUMR_RTSM 0x00002000
-#define UCC_FAST_GUMR_REVD 0x00000400
-#define UCC_FAST_GUMR_ENR 0x00000020
-#define UCC_FAST_GUMR_ENT 0x00000010
-
-/* UART Slow UCC Event Register (UCCE) */
-#define UCC_UART_UCCE_AB 0x0200
-#define UCC_UART_UCCE_IDLE 0x0100
-#define UCC_UART_UCCE_GRA 0x0080
-#define UCC_UART_UCCE_BRKE 0x0040
-#define UCC_UART_UCCE_BRKS 0x0020
-#define UCC_UART_UCCE_CCR 0x0008
-#define UCC_UART_UCCE_BSY 0x0004
-#define UCC_UART_UCCE_TX 0x0002
-#define UCC_UART_UCCE_RX 0x0001
-
-/* HDLC Slow UCC Event Register (UCCE) */
-#define UCC_HDLC_UCCE_GLR 0x1000
-#define UCC_HDLC_UCCE_GLT 0x0800
-#define UCC_HDLC_UCCE_IDLE 0x0100
-#define UCC_HDLC_UCCE_BRKE 0x0040
-#define UCC_HDLC_UCCE_BRKS 0x0020
-#define UCC_HDLC_UCCE_TXE 0x0010
-#define UCC_HDLC_UCCE_RXF 0x0008
-#define UCC_HDLC_UCCE_BSY 0x0004
-#define UCC_HDLC_UCCE_TXB 0x0002
-#define UCC_HDLC_UCCE_RXB 0x0001
-
-/* BISYNC Slow UCC Event Register (UCCE) */
-#define UCC_BISYNC_UCCE_GRA 0x0080
-#define UCC_BISYNC_UCCE_TXE 0x0010
-#define UCC_BISYNC_UCCE_RCH 0x0008
-#define UCC_BISYNC_UCCE_BSY 0x0004
-#define UCC_BISYNC_UCCE_TXB 0x0002
-#define UCC_BISYNC_UCCE_RXB 0x0001
-
-/* Gigabit Ethernet Fast UCC Event Register (UCCE) */
-#define UCC_GETH_UCCE_MPD 0x80000000
-#define UCC_GETH_UCCE_SCAR 0x40000000
-#define UCC_GETH_UCCE_GRA 0x20000000
-#define UCC_GETH_UCCE_CBPR 0x10000000
-#define UCC_GETH_UCCE_BSY 0x08000000
-#define UCC_GETH_UCCE_RXC 0x04000000
-#define UCC_GETH_UCCE_TXC 0x02000000
-#define UCC_GETH_UCCE_TXE 0x01000000
-#define UCC_GETH_UCCE_TXB7 0x00800000
-#define UCC_GETH_UCCE_TXB6 0x00400000
-#define UCC_GETH_UCCE_TXB5 0x00200000
-#define UCC_GETH_UCCE_TXB4 0x00100000
-#define UCC_GETH_UCCE_TXB3 0x00080000
-#define UCC_GETH_UCCE_TXB2 0x00040000
-#define UCC_GETH_UCCE_TXB1 0x00020000
-#define UCC_GETH_UCCE_TXB0 0x00010000
-#define UCC_GETH_UCCE_RXB7 0x00008000
-#define UCC_GETH_UCCE_RXB6 0x00004000
-#define UCC_GETH_UCCE_RXB5 0x00002000
-#define UCC_GETH_UCCE_RXB4 0x00001000
-#define UCC_GETH_UCCE_RXB3 0x00000800
-#define UCC_GETH_UCCE_RXB2 0x00000400
-#define UCC_GETH_UCCE_RXB1 0x00000200
-#define UCC_GETH_UCCE_RXB0 0x00000100
-#define UCC_GETH_UCCE_RXF7 0x00000080
-#define UCC_GETH_UCCE_RXF6 0x00000040
-#define UCC_GETH_UCCE_RXF5 0x00000020
-#define UCC_GETH_UCCE_RXF4 0x00000010
-#define UCC_GETH_UCCE_RXF3 0x00000008
-#define UCC_GETH_UCCE_RXF2 0x00000004
-#define UCC_GETH_UCCE_RXF1 0x00000002
-#define UCC_GETH_UCCE_RXF0 0x00000001
-
-/* UCC Protocol Specific Mode Register (UPSMR), when used for UART */
-#define UCC_UART_UPSMR_FLC 0x8000
-#define UCC_UART_UPSMR_SL 0x4000
-#define UCC_UART_UPSMR_CL_MASK 0x3000
-#define UCC_UART_UPSMR_CL_8 0x3000
-#define UCC_UART_UPSMR_CL_7 0x2000
-#define UCC_UART_UPSMR_CL_6 0x1000
-#define UCC_UART_UPSMR_CL_5 0x0000
-#define UCC_UART_UPSMR_UM_MASK 0x0c00
-#define UCC_UART_UPSMR_UM_NORMAL 0x0000
-#define UCC_UART_UPSMR_UM_MAN_MULTI 0x0400
-#define UCC_UART_UPSMR_UM_AUTO_MULTI 0x0c00
-#define UCC_UART_UPSMR_FRZ 0x0200
-#define UCC_UART_UPSMR_RZS 0x0100
-#define UCC_UART_UPSMR_SYN 0x0080
-#define UCC_UART_UPSMR_DRT 0x0040
-#define UCC_UART_UPSMR_PEN 0x0010
-#define UCC_UART_UPSMR_RPM_MASK 0x000c
-#define UCC_UART_UPSMR_RPM_ODD 0x0000
-#define UCC_UART_UPSMR_RPM_LOW 0x0004
-#define UCC_UART_UPSMR_RPM_EVEN 0x0008
-#define UCC_UART_UPSMR_RPM_HIGH 0x000C
-#define UCC_UART_UPSMR_TPM_MASK 0x0003
-#define UCC_UART_UPSMR_TPM_ODD 0x0000
-#define UCC_UART_UPSMR_TPM_LOW 0x0001
-#define UCC_UART_UPSMR_TPM_EVEN 0x0002
-#define UCC_UART_UPSMR_TPM_HIGH 0x0003
-
-/* UCC Protocol Specific Mode Register (UPSMR), when used for Ethernet */
-#define UCC_GETH_UPSMR_FTFE 0x80000000
-#define UCC_GETH_UPSMR_PTPE 0x40000000
-#define UCC_GETH_UPSMR_ECM 0x04000000
-#define UCC_GETH_UPSMR_HSE 0x02000000
-#define UCC_GETH_UPSMR_PRO 0x00400000
-#define UCC_GETH_UPSMR_CAP 0x00200000
-#define UCC_GETH_UPSMR_RSH 0x00100000
-#define UCC_GETH_UPSMR_RPM 0x00080000
-#define UCC_GETH_UPSMR_R10M 0x00040000
-#define UCC_GETH_UPSMR_RLPB 0x00020000
-#define UCC_GETH_UPSMR_TBIM 0x00010000
-#define UCC_GETH_UPSMR_RES1 0x00002000
-#define UCC_GETH_UPSMR_RMM 0x00001000
-#define UCC_GETH_UPSMR_CAM 0x00000400
-#define UCC_GETH_UPSMR_BRO 0x00000200
-#define UCC_GETH_UPSMR_SMM 0x00000080
-#define UCC_GETH_UPSMR_SGMM 0x00000020
-
-/* UCC Transmit On Demand Register (UTODR) */
-#define UCC_SLOW_TOD 0x8000
-#define UCC_FAST_TOD 0x8000
-
-/* UCC Bus Mode Register masks */
-/* Not to be confused with the Bundle Mode Register */
-#define UCC_BMR_GBL 0x20
-#define UCC_BMR_BO_BE 0x10
-#define UCC_BMR_CETM 0x04
-#define UCC_BMR_DTB 0x02
-#define UCC_BMR_BDB 0x01
-
-/* Function code masks */
-#define FC_GBL 0x20
-#define FC_DTB_LCL 0x02
-#define UCC_FAST_FUNCTION_CODE_GBL 0x20
-#define UCC_FAST_FUNCTION_CODE_DTB_LCL 0x02
-#define UCC_FAST_FUNCTION_CODE_BDB_LCL 0x01
-
-#endif /* __KERNEL__ */
-#endif /* _ASM_POWERPC_QE_H */
diff --git a/arch/powerpc/include/asm/qe_ic.h b/arch/powerpc/include/asm/qe_ic.h
deleted file mode 100644
index 1e155ca6d..000000000
--- a/arch/powerpc/include/asm/qe_ic.h
+++ /dev/null
@@ -1,139 +0,0 @@
-/*
- * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
- *
- * Authors: Shlomi Gridish <gridish@freescale.com>
- * Li Yang <leoli@freescale.com>
- *
- * Description:
- * QE IC external definitions and structure.
- *
- * 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.
- */
-#ifndef _ASM_POWERPC_QE_IC_H
-#define _ASM_POWERPC_QE_IC_H
-
-#include <linux/irq.h>
-
-struct device_node;
-struct qe_ic;
-
-#define NUM_OF_QE_IC_GROUPS 6
-
-/* Flags when we init the QE IC */
-#define QE_IC_SPREADMODE_GRP_W 0x00000001
-#define QE_IC_SPREADMODE_GRP_X 0x00000002
-#define QE_IC_SPREADMODE_GRP_Y 0x00000004
-#define QE_IC_SPREADMODE_GRP_Z 0x00000008
-#define QE_IC_SPREADMODE_GRP_RISCA 0x00000010
-#define QE_IC_SPREADMODE_GRP_RISCB 0x00000020
-
-#define QE_IC_LOW_SIGNAL 0x00000100
-#define QE_IC_HIGH_SIGNAL 0x00000200
-
-#define QE_IC_GRP_W_PRI0_DEST_SIGNAL_HIGH 0x00001000
-#define QE_IC_GRP_W_PRI1_DEST_SIGNAL_HIGH 0x00002000
-#define QE_IC_GRP_X_PRI0_DEST_SIGNAL_HIGH 0x00004000
-#define QE_IC_GRP_X_PRI1_DEST_SIGNAL_HIGH 0x00008000
-#define QE_IC_GRP_Y_PRI0_DEST_SIGNAL_HIGH 0x00010000
-#define QE_IC_GRP_Y_PRI1_DEST_SIGNAL_HIGH 0x00020000
-#define QE_IC_GRP_Z_PRI0_DEST_SIGNAL_HIGH 0x00040000
-#define QE_IC_GRP_Z_PRI1_DEST_SIGNAL_HIGH 0x00080000
-#define QE_IC_GRP_RISCA_PRI0_DEST_SIGNAL_HIGH 0x00100000
-#define QE_IC_GRP_RISCA_PRI1_DEST_SIGNAL_HIGH 0x00200000
-#define QE_IC_GRP_RISCB_PRI0_DEST_SIGNAL_HIGH 0x00400000
-#define QE_IC_GRP_RISCB_PRI1_DEST_SIGNAL_HIGH 0x00800000
-#define QE_IC_GRP_W_DEST_SIGNAL_SHIFT (12)
-
-/* QE interrupt sources groups */
-enum qe_ic_grp_id {
- QE_IC_GRP_W = 0, /* QE interrupt controller group W */
- QE_IC_GRP_X, /* QE interrupt controller group X */
- QE_IC_GRP_Y, /* QE interrupt controller group Y */
- QE_IC_GRP_Z, /* QE interrupt controller group Z */
- QE_IC_GRP_RISCA, /* QE interrupt controller RISC group A */
- QE_IC_GRP_RISCB /* QE interrupt controller RISC group B */
-};
-
-#ifdef CONFIG_QUICC_ENGINE
-void qe_ic_init(struct device_node *node, unsigned int flags,
- void (*low_handler)(struct irq_desc *desc),
- void (*high_handler)(struct irq_desc *desc));
-unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic);
-unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic);
-#else
-static inline void qe_ic_init(struct device_node *node, unsigned int flags,
- void (*low_handler)(struct irq_desc *desc),
- void (*high_handler)(struct irq_desc *desc))
-{}
-static inline unsigned int qe_ic_get_low_irq(struct qe_ic *qe_ic)
-{ return 0; }
-static inline unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic)
-{ return 0; }
-#endif /* CONFIG_QUICC_ENGINE */
-
-void qe_ic_set_highest_priority(unsigned int virq, int high);
-int qe_ic_set_priority(unsigned int virq, unsigned int priority);
-int qe_ic_set_high_priority(unsigned int virq, unsigned int priority, int high);
-
-static inline void qe_ic_cascade_low_ipic(struct irq_desc *desc)
-{
- struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
- unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
-
- if (cascade_irq != NO_IRQ)
- generic_handle_irq(cascade_irq);
-}
-
-static inline void qe_ic_cascade_high_ipic(struct irq_desc *desc)
-{
- struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
- unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
-
- if (cascade_irq != NO_IRQ)
- generic_handle_irq(cascade_irq);
-}
-
-static inline void qe_ic_cascade_low_mpic(struct irq_desc *desc)
-{
- struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
- unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
- struct irq_chip *chip = irq_desc_get_chip(desc);
-
- if (cascade_irq != NO_IRQ)
- generic_handle_irq(cascade_irq);
-
- chip->irq_eoi(&desc->irq_data);
-}
-
-static inline void qe_ic_cascade_high_mpic(struct irq_desc *desc)
-{
- struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
- unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
- struct irq_chip *chip = irq_desc_get_chip(desc);
-
- if (cascade_irq != NO_IRQ)
- generic_handle_irq(cascade_irq);
-
- chip->irq_eoi(&desc->irq_data);
-}
-
-static inline void qe_ic_cascade_muxed_mpic(struct irq_desc *desc)
-{
- struct qe_ic *qe_ic = irq_desc_get_handler_data(desc);
- unsigned int cascade_irq;
- struct irq_chip *chip = irq_desc_get_chip(desc);
-
- cascade_irq = qe_ic_get_high_irq(qe_ic);
- if (cascade_irq == NO_IRQ)
- cascade_irq = qe_ic_get_low_irq(qe_ic);
-
- if (cascade_irq != NO_IRQ)
- generic_handle_irq(cascade_irq);
-
- chip->irq_eoi(&desc->irq_data);
-}
-
-#endif /* _ASM_POWERPC_QE_IC_H */
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index 2220f7a60..c4cb2ffc6 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -1194,12 +1194,20 @@
#define __mtmsrd(v, l) asm volatile("mtmsrd %0," __stringify(l) \
: : "r" (v) : "memory")
#define mtmsr(v) __mtmsrd((v), 0)
+#define __MTMSR "mtmsrd"
#else
#define mtmsr(v) asm volatile("mtmsr %0" : \
: "r" ((unsigned long)(v)) \
: "memory")
+#define __MTMSR "mtmsr"
#endif
+static inline void mtmsr_isync(unsigned long val)
+{
+ asm volatile(__MTMSR " %0; " ASM_FTR_IFCLR("isync", "nop", %1) : :
+ "r" (val), "i" (CPU_FTR_ARCH_206) : "memory");
+}
+
#define mfspr(rn) ({unsigned long rval; \
asm volatile("mfspr %0," __stringify(rn) \
: "=r" (rval)); rval;})
@@ -1207,6 +1215,15 @@
: "r" ((unsigned long)(v)) \
: "memory")
+extern void msr_check_and_set(unsigned long bits);
+extern bool strict_msr_control;
+extern void __msr_check_and_clear(unsigned long bits);
+static inline void msr_check_and_clear(unsigned long bits)
+{
+ if (strict_msr_control)
+ __msr_check_and_clear(bits);
+}
+
static inline unsigned long mfvtb (void)
{
#ifdef CONFIG_PPC_BOOK3S_64
diff --git a/arch/powerpc/include/asm/rtas.h b/arch/powerpc/include/asm/rtas.h
index b77ef369c..51400baa8 100644
--- a/arch/powerpc/include/asm/rtas.h
+++ b/arch/powerpc/include/asm/rtas.h
@@ -334,10 +334,11 @@ extern void (*rtas_flash_term_hook)(int);
extern struct rtas_t rtas;
-extern void enter_rtas(unsigned long);
extern int rtas_token(const char *service);
extern int rtas_service_present(const char *service);
extern int rtas_call(int token, int, int, int *, ...);
+void rtas_call_unlocked(struct rtas_args *args, int token, int nargs,
+ int nret, ...);
extern void rtas_restart(char *cmd);
extern void rtas_power_off(void);
extern void rtas_halt(void);
diff --git a/arch/powerpc/include/asm/switch_to.h b/arch/powerpc/include/asm/switch_to.h
index 15cca17cb..5b268b6be 100644
--- a/arch/powerpc/include/asm/switch_to.h
+++ b/arch/powerpc/include/asm/switch_to.h
@@ -4,6 +4,8 @@
#ifndef _ASM_POWERPC_SWITCH_TO_H
#define _ASM_POWERPC_SWITCH_TO_H
+#include <asm/reg.h>
+
struct thread_struct;
struct task_struct;
struct pt_regs;
@@ -12,74 +14,59 @@ extern struct task_struct *__switch_to(struct task_struct *,
struct task_struct *);
#define switch_to(prev, next, last) ((last) = __switch_to((prev), (next)))
-struct thread_struct;
extern struct task_struct *_switch(struct thread_struct *prev,
struct thread_struct *next);
-#ifdef CONFIG_PPC_BOOK3S_64
-static inline void save_early_sprs(struct thread_struct *prev)
-{
- if (cpu_has_feature(CPU_FTR_ARCH_207S))
- prev->tar = mfspr(SPRN_TAR);
- if (cpu_has_feature(CPU_FTR_DSCR))
- prev->dscr = mfspr(SPRN_DSCR);
-}
-#else
-static inline void save_early_sprs(struct thread_struct *prev) {}
-#endif
-extern void enable_kernel_fp(void);
-extern void enable_kernel_altivec(void);
-extern void enable_kernel_vsx(void);
-extern int emulate_altivec(struct pt_regs *);
-extern void __giveup_vsx(struct task_struct *);
-extern void giveup_vsx(struct task_struct *);
-extern void enable_kernel_spe(void);
-extern void giveup_spe(struct task_struct *);
-extern void load_up_spe(struct task_struct *);
extern void switch_booke_debug_regs(struct debug_reg *new_debug);
-#ifndef CONFIG_SMP
-extern void discard_lazy_cpu_state(void);
-#else
-static inline void discard_lazy_cpu_state(void)
-{
-}
-#endif
+extern int emulate_altivec(struct pt_regs *);
+
+extern void flush_all_to_thread(struct task_struct *);
+extern void giveup_all(struct task_struct *);
#ifdef CONFIG_PPC_FPU
+extern void enable_kernel_fp(void);
extern void flush_fp_to_thread(struct task_struct *);
extern void giveup_fpu(struct task_struct *);
+extern void __giveup_fpu(struct task_struct *);
+static inline void disable_kernel_fp(void)
+{
+ msr_check_and_clear(MSR_FP);
+}
#else
static inline void flush_fp_to_thread(struct task_struct *t) { }
-static inline void giveup_fpu(struct task_struct *t) { }
#endif
#ifdef CONFIG_ALTIVEC
+extern void enable_kernel_altivec(void);
extern void flush_altivec_to_thread(struct task_struct *);
extern void giveup_altivec(struct task_struct *);
-extern void giveup_altivec_notask(void);
-#else
-static inline void flush_altivec_to_thread(struct task_struct *t)
-{
-}
-static inline void giveup_altivec(struct task_struct *t)
+extern void __giveup_altivec(struct task_struct *);
+static inline void disable_kernel_altivec(void)
{
+ msr_check_and_clear(MSR_VEC);
}
#endif
#ifdef CONFIG_VSX
+extern void enable_kernel_vsx(void);
extern void flush_vsx_to_thread(struct task_struct *);
-#else
-static inline void flush_vsx_to_thread(struct task_struct *t)
+extern void giveup_vsx(struct task_struct *);
+extern void __giveup_vsx(struct task_struct *);
+static inline void disable_kernel_vsx(void)
{
+ msr_check_and_clear(MSR_FP|MSR_VEC|MSR_VSX);
}
#endif
#ifdef CONFIG_SPE
+extern void enable_kernel_spe(void);
extern void flush_spe_to_thread(struct task_struct *);
-#else
-static inline void flush_spe_to_thread(struct task_struct *t)
+extern void giveup_spe(struct task_struct *);
+extern void __giveup_spe(struct task_struct *);
+static inline void disable_kernel_spe(void)
{
+ msr_check_and_clear(MSR_SPE);
}
#endif
diff --git a/arch/powerpc/include/asm/systbl.h b/arch/powerpc/include/asm/systbl.h
index 5654ece02..3fa9df70a 100644
--- a/arch/powerpc/include/asm/systbl.h
+++ b/arch/powerpc/include/asm/systbl.h
@@ -383,3 +383,4 @@ SYSCALL(ni_syscall)
SYSCALL(ni_syscall)
SYSCALL(ni_syscall)
SYSCALL(mlock2)
+SYSCALL(copy_file_range)
diff --git a/arch/powerpc/include/asm/time.h b/arch/powerpc/include/asm/time.h
index 10fc784a2..2d7109a8d 100644
--- a/arch/powerpc/include/asm/time.h
+++ b/arch/powerpc/include/asm/time.h
@@ -27,7 +27,6 @@ extern struct clock_event_device decrementer_clockevent;
struct rtc_time;
extern void to_tm(int tim, struct rtc_time * tm);
-extern void GregorianDay(struct rtc_time *tm);
extern void tick_broadcast_ipi_handler(void);
extern void generic_calibrate_decr(void);
diff --git a/arch/powerpc/include/asm/trace.h b/arch/powerpc/include/asm/trace.h
index 8e86b48d0..32e36b167 100644
--- a/arch/powerpc/include/asm/trace.h
+++ b/arch/powerpc/include/asm/trace.h
@@ -57,12 +57,14 @@ DEFINE_EVENT(ppc64_interrupt_class, timer_interrupt_exit,
extern void hcall_tracepoint_regfunc(void);
extern void hcall_tracepoint_unregfunc(void);
-TRACE_EVENT_FN(hcall_entry,
+TRACE_EVENT_FN_COND(hcall_entry,
TP_PROTO(unsigned long opcode, unsigned long *args),
TP_ARGS(opcode, args),
+ TP_CONDITION(cpu_online(raw_smp_processor_id())),
+
TP_STRUCT__entry(
__field(unsigned long, opcode)
),
@@ -76,13 +78,15 @@ TRACE_EVENT_FN(hcall_entry,
hcall_tracepoint_regfunc, hcall_tracepoint_unregfunc
);
-TRACE_EVENT_FN(hcall_exit,
+TRACE_EVENT_FN_COND(hcall_exit,
TP_PROTO(unsigned long opcode, unsigned long retval,
unsigned long *retbuf),
TP_ARGS(opcode, retval, retbuf),
+ TP_CONDITION(cpu_online(raw_smp_processor_id())),
+
TP_STRUCT__entry(
__field(unsigned long, opcode)
__field(unsigned long, retval)
diff --git a/arch/powerpc/include/asm/uaccess.h b/arch/powerpc/include/asm/uaccess.h
index 2a8ebae09..b7c20f0b8 100644
--- a/arch/powerpc/include/asm/uaccess.h
+++ b/arch/powerpc/include/asm/uaccess.h
@@ -274,21 +274,6 @@ do { \
__gu_err; \
})
-#ifndef __powerpc64__
-#define __get_user64_nocheck(x, ptr, size) \
-({ \
- long __gu_err; \
- long long __gu_val; \
- __typeof__(*(ptr)) __user *__gu_addr = (ptr); \
- __chk_user_ptr(ptr); \
- if (!is_kernel_addr((unsigned long)__gu_addr)) \
- might_fault(); \
- __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \
- (x) = (__force __typeof__(*(ptr)))__gu_val; \
- __gu_err; \
-})
-#endif /* __powerpc64__ */
-
#define __get_user_check(x, ptr, size) \
({ \
long __gu_err = -EFAULT; \
diff --git a/arch/powerpc/include/asm/ucc.h b/arch/powerpc/include/asm/ucc.h
deleted file mode 100644
index 6927ac265..000000000
--- a/arch/powerpc/include/asm/ucc.h
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
- *
- * Authors: Shlomi Gridish <gridish@freescale.com>
- * Li Yang <leoli@freescale.com>
- *
- * Description:
- * Internal header file for UCC unit routines.
- *
- * 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.
- */
-#ifndef __UCC_H__
-#define __UCC_H__
-
-#include <asm/immap_qe.h>
-#include <asm/qe.h>
-
-#define STATISTICS
-
-#define UCC_MAX_NUM 8
-
-/* Slow or fast type for UCCs.
-*/
-enum ucc_speed_type {
- UCC_SPEED_TYPE_FAST = UCC_GUEMR_MODE_FAST_RX | UCC_GUEMR_MODE_FAST_TX,
- UCC_SPEED_TYPE_SLOW = UCC_GUEMR_MODE_SLOW_RX | UCC_GUEMR_MODE_SLOW_TX
-};
-
-/* ucc_set_type
- * Sets UCC to slow or fast mode.
- *
- * ucc_num - (In) number of UCC (0-7).
- * speed - (In) slow or fast mode for UCC.
- */
-int ucc_set_type(unsigned int ucc_num, enum ucc_speed_type speed);
-
-int ucc_set_qe_mux_mii_mng(unsigned int ucc_num);
-
-int ucc_set_qe_mux_rxtx(unsigned int ucc_num, enum qe_clock clock,
- enum comm_dir mode);
-
-int ucc_mux_set_grant_tsa_bkpt(unsigned int ucc_num, int set, u32 mask);
-
-/* QE MUX clock routing for UCC
-*/
-static inline int ucc_set_qe_mux_grant(unsigned int ucc_num, int set)
-{
- return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_GRANT);
-}
-
-static inline int ucc_set_qe_mux_tsa(unsigned int ucc_num, int set)
-{
- return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_TSA);
-}
-
-static inline int ucc_set_qe_mux_bkpt(unsigned int ucc_num, int set)
-{
- return ucc_mux_set_grant_tsa_bkpt(ucc_num, set, QE_CMXUCR_BKPT);
-}
-
-#endif /* __UCC_H__ */
diff --git a/arch/powerpc/include/asm/ucc_fast.h b/arch/powerpc/include/asm/ucc_fast.h
deleted file mode 100644
index 72ea9bab0..000000000
--- a/arch/powerpc/include/asm/ucc_fast.h
+++ /dev/null
@@ -1,244 +0,0 @@
-/*
- * Internal header file for UCC FAST unit routines.
- *
- * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
- *
- * Authors: Shlomi Gridish <gridish@freescale.com>
- * Li Yang <leoli@freescale.com>
- *
- * 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.
- */
-#ifndef __UCC_FAST_H__
-#define __UCC_FAST_H__
-
-#include <linux/kernel.h>
-
-#include <asm/immap_qe.h>
-#include <asm/qe.h>
-
-#include <asm/ucc.h>
-
-/* Receive BD's status */
-#define R_E 0x80000000 /* buffer empty */
-#define R_W 0x20000000 /* wrap bit */
-#define R_I 0x10000000 /* interrupt on reception */
-#define R_L 0x08000000 /* last */
-#define R_F 0x04000000 /* first */
-
-/* transmit BD's status */
-#define T_R 0x80000000 /* ready bit */
-#define T_W 0x20000000 /* wrap bit */
-#define T_I 0x10000000 /* interrupt on completion */
-#define T_L 0x08000000 /* last */
-
-/* Rx Data buffer must be 4 bytes aligned in most cases */
-#define UCC_FAST_RX_ALIGN 4
-#define UCC_FAST_MRBLR_ALIGNMENT 4
-#define UCC_FAST_VIRT_FIFO_REGS_ALIGNMENT 8
-
-/* Sizes */
-#define UCC_FAST_URFS_MIN_VAL 0x88
-#define UCC_FAST_RECEIVE_VIRTUAL_FIFO_SIZE_FUDGE_FACTOR 8
-
-/* ucc_fast_channel_protocol_mode - UCC FAST mode */
-enum ucc_fast_channel_protocol_mode {
- UCC_FAST_PROTOCOL_MODE_HDLC = 0x00000000,
- UCC_FAST_PROTOCOL_MODE_RESERVED01 = 0x00000001,
- UCC_FAST_PROTOCOL_MODE_RESERVED_QMC = 0x00000002,
- UCC_FAST_PROTOCOL_MODE_RESERVED02 = 0x00000003,
- UCC_FAST_PROTOCOL_MODE_RESERVED_UART = 0x00000004,
- UCC_FAST_PROTOCOL_MODE_RESERVED03 = 0x00000005,
- UCC_FAST_PROTOCOL_MODE_RESERVED_EX_MAC_1 = 0x00000006,
- UCC_FAST_PROTOCOL_MODE_RESERVED_EX_MAC_2 = 0x00000007,
- UCC_FAST_PROTOCOL_MODE_RESERVED_BISYNC = 0x00000008,
- UCC_FAST_PROTOCOL_MODE_RESERVED04 = 0x00000009,
- UCC_FAST_PROTOCOL_MODE_ATM = 0x0000000A,
- UCC_FAST_PROTOCOL_MODE_RESERVED05 = 0x0000000B,
- UCC_FAST_PROTOCOL_MODE_ETHERNET = 0x0000000C,
- UCC_FAST_PROTOCOL_MODE_RESERVED06 = 0x0000000D,
- UCC_FAST_PROTOCOL_MODE_POS = 0x0000000E,
- UCC_FAST_PROTOCOL_MODE_RESERVED07 = 0x0000000F
-};
-
-/* ucc_fast_transparent_txrx - UCC Fast Transparent TX & RX */
-enum ucc_fast_transparent_txrx {
- UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_NORMAL = 0x00000000,
- UCC_FAST_GUMR_TRANSPARENT_TTX_TRX_TRANSPARENT = 0x18000000
-};
-
-/* UCC fast diagnostic mode */
-enum ucc_fast_diag_mode {
- UCC_FAST_DIAGNOSTIC_NORMAL = 0x0,
- UCC_FAST_DIAGNOSTIC_LOCAL_LOOP_BACK = 0x40000000,
- UCC_FAST_DIAGNOSTIC_AUTO_ECHO = 0x80000000,
- UCC_FAST_DIAGNOSTIC_LOOP_BACK_AND_ECHO = 0xC0000000
-};
-
-/* UCC fast Sync length (transparent mode only) */
-enum ucc_fast_sync_len {
- UCC_FAST_SYNC_LEN_NOT_USED = 0x0,
- UCC_FAST_SYNC_LEN_AUTOMATIC = 0x00004000,
- UCC_FAST_SYNC_LEN_8_BIT = 0x00008000,
- UCC_FAST_SYNC_LEN_16_BIT = 0x0000C000
-};
-
-/* UCC fast RTS mode */
-enum ucc_fast_ready_to_send {
- UCC_FAST_SEND_IDLES_BETWEEN_FRAMES = 0x00000000,
- UCC_FAST_SEND_FLAGS_BETWEEN_FRAMES = 0x00002000
-};
-
-/* UCC fast receiver decoding mode */
-enum ucc_fast_rx_decoding_method {
- UCC_FAST_RX_ENCODING_NRZ = 0x00000000,
- UCC_FAST_RX_ENCODING_NRZI = 0x00000800,
- UCC_FAST_RX_ENCODING_RESERVED0 = 0x00001000,
- UCC_FAST_RX_ENCODING_RESERVED1 = 0x00001800
-};
-
-/* UCC fast transmitter encoding mode */
-enum ucc_fast_tx_encoding_method {
- UCC_FAST_TX_ENCODING_NRZ = 0x00000000,
- UCC_FAST_TX_ENCODING_NRZI = 0x00000100,
- UCC_FAST_TX_ENCODING_RESERVED0 = 0x00000200,
- UCC_FAST_TX_ENCODING_RESERVED1 = 0x00000300
-};
-
-/* UCC fast CRC length */
-enum ucc_fast_transparent_tcrc {
- UCC_FAST_16_BIT_CRC = 0x00000000,
- UCC_FAST_CRC_RESERVED0 = 0x00000040,
- UCC_FAST_32_BIT_CRC = 0x00000080,
- UCC_FAST_CRC_RESERVED1 = 0x000000C0
-};
-
-/* Fast UCC initialization structure */
-struct ucc_fast_info {
- int ucc_num;
- enum qe_clock rx_clock;
- enum qe_clock tx_clock;
- u32 regs;
- int irq;
- u32 uccm_mask;
- int bd_mem_part;
- int brkpt_support;
- int grant_support;
- int tsa;
- int cdp;
- int cds;
- int ctsp;
- int ctss;
- int tci;
- int txsy;
- int rtsm;
- int revd;
- int rsyn;
- u16 max_rx_buf_length;
- u16 urfs;
- u16 urfet;
- u16 urfset;
- u16 utfs;
- u16 utfet;
- u16 utftt;
- u16 ufpt;
- enum ucc_fast_channel_protocol_mode mode;
- enum ucc_fast_transparent_txrx ttx_trx;
- enum ucc_fast_tx_encoding_method tenc;
- enum ucc_fast_rx_decoding_method renc;
- enum ucc_fast_transparent_tcrc tcrc;
- enum ucc_fast_sync_len synl;
-};
-
-struct ucc_fast_private {
- struct ucc_fast_info *uf_info;
- struct ucc_fast __iomem *uf_regs; /* a pointer to the UCC regs. */
- u32 __iomem *p_ucce; /* a pointer to the event register in memory. */
- u32 __iomem *p_uccm; /* a pointer to the mask register in memory. */
-#ifdef CONFIG_UGETH_TX_ON_DEMAND
- u16 __iomem *p_utodr; /* pointer to the transmit on demand register */
-#endif
- int enabled_tx; /* Whether channel is enabled for Tx (ENT) */
- int enabled_rx; /* Whether channel is enabled for Rx (ENR) */
- int stopped_tx; /* Whether channel has been stopped for Tx
- (STOP_TX, etc.) */
- int stopped_rx; /* Whether channel has been stopped for Rx */
- u32 ucc_fast_tx_virtual_fifo_base_offset;/* pointer to base of Tx
- virtual fifo */
- u32 ucc_fast_rx_virtual_fifo_base_offset;/* pointer to base of Rx
- virtual fifo */
-#ifdef STATISTICS
- u32 tx_frames; /* Transmitted frames counter. */
- u32 rx_frames; /* Received frames counter (only frames
- passed to application). */
- u32 tx_discarded; /* Discarded tx frames counter (frames that
- were discarded by the driver due to errors).
- */
- u32 rx_discarded; /* Discarded rx frames counter (frames that
- were discarded by the driver due to errors).
- */
-#endif /* STATISTICS */
- u16 mrblr; /* maximum receive buffer length */
-};
-
-/* ucc_fast_init
- * Initializes Fast UCC according to user provided parameters.
- *
- * uf_info - (In) pointer to the fast UCC info structure.
- * uccf_ret - (Out) pointer to the fast UCC structure.
- */
-int ucc_fast_init(struct ucc_fast_info * uf_info, struct ucc_fast_private ** uccf_ret);
-
-/* ucc_fast_free
- * Frees all resources for fast UCC.
- *
- * uccf - (In) pointer to the fast UCC structure.
- */
-void ucc_fast_free(struct ucc_fast_private * uccf);
-
-/* ucc_fast_enable
- * Enables a fast UCC port.
- * This routine enables Tx and/or Rx through the General UCC Mode Register.
- *
- * uccf - (In) pointer to the fast UCC structure.
- * mode - (In) TX, RX, or both.
- */
-void ucc_fast_enable(struct ucc_fast_private * uccf, enum comm_dir mode);
-
-/* ucc_fast_disable
- * Disables a fast UCC port.
- * This routine disables Tx and/or Rx through the General UCC Mode Register.
- *
- * uccf - (In) pointer to the fast UCC structure.
- * mode - (In) TX, RX, or both.
- */
-void ucc_fast_disable(struct ucc_fast_private * uccf, enum comm_dir mode);
-
-/* ucc_fast_irq
- * Handles interrupts on fast UCC.
- * Called from the general interrupt routine to handle interrupts on fast UCC.
- *
- * uccf - (In) pointer to the fast UCC structure.
- */
-void ucc_fast_irq(struct ucc_fast_private * uccf);
-
-/* ucc_fast_transmit_on_demand
- * Immediately forces a poll of the transmitter for data to be sent.
- * Typically, the hardware performs a periodic poll for data that the
- * transmit routine has set up to be transmitted. In cases where
- * this polling cycle is not soon enough, this optional routine can
- * be invoked to force a poll right away, instead. Proper use for
- * each transmission for which this functionality is desired is to
- * call the transmit routine and then this routine right after.
- *
- * uccf - (In) pointer to the fast UCC structure.
- */
-void ucc_fast_transmit_on_demand(struct ucc_fast_private * uccf);
-
-u32 ucc_fast_get_qe_cr_subblock(int uccf_num);
-
-void ucc_fast_dump_regs(struct ucc_fast_private * uccf);
-
-#endif /* __UCC_FAST_H__ */
diff --git a/arch/powerpc/include/asm/ucc_slow.h b/arch/powerpc/include/asm/ucc_slow.h
deleted file mode 100644
index 233ef5fe5..000000000
--- a/arch/powerpc/include/asm/ucc_slow.h
+++ /dev/null
@@ -1,277 +0,0 @@
-/*
- * Copyright (C) 2006 Freescale Semiconductor, Inc. All rights reserved.
- *
- * Authors: Shlomi Gridish <gridish@freescale.com>
- * Li Yang <leoli@freescale.com>
- *
- * Description:
- * Internal header file for UCC SLOW unit routines.
- *
- * 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.
- */
-#ifndef __UCC_SLOW_H__
-#define __UCC_SLOW_H__
-
-#include <linux/kernel.h>
-
-#include <asm/immap_qe.h>
-#include <asm/qe.h>
-
-#include <asm/ucc.h>
-
-/* transmit BD's status */
-#define T_R 0x80000000 /* ready bit */
-#define T_PAD 0x40000000 /* add pads to short frames */
-#define T_W 0x20000000 /* wrap bit */
-#define T_I 0x10000000 /* interrupt on completion */
-#define T_L 0x08000000 /* last */
-
-#define T_A 0x04000000 /* Address - the data transmitted as address
- chars */
-#define T_TC 0x04000000 /* transmit CRC */
-#define T_CM 0x02000000 /* continuous mode */
-#define T_DEF 0x02000000 /* collision on previous attempt to transmit */
-#define T_P 0x01000000 /* Preamble - send Preamble sequence before
- data */
-#define T_HB 0x01000000 /* heartbeat */
-#define T_NS 0x00800000 /* No Stop */
-#define T_LC 0x00800000 /* late collision */
-#define T_RL 0x00400000 /* retransmission limit */
-#define T_UN 0x00020000 /* underrun */
-#define T_CT 0x00010000 /* CTS lost */
-#define T_CSL 0x00010000 /* carrier sense lost */
-#define T_RC 0x003c0000 /* retry count */
-
-/* Receive BD's status */
-#define R_E 0x80000000 /* buffer empty */
-#define R_W 0x20000000 /* wrap bit */
-#define R_I 0x10000000 /* interrupt on reception */
-#define R_L 0x08000000 /* last */
-#define R_C 0x08000000 /* the last byte in this buffer is a cntl
- char */
-#define R_F 0x04000000 /* first */
-#define R_A 0x04000000 /* the first byte in this buffer is address
- byte */
-#define R_CM 0x02000000 /* continuous mode */
-#define R_ID 0x01000000 /* buffer close on reception of idles */
-#define R_M 0x01000000 /* Frame received because of promiscuous
- mode */
-#define R_AM 0x00800000 /* Address match */
-#define R_DE 0x00800000 /* Address match */
-#define R_LG 0x00200000 /* Break received */
-#define R_BR 0x00200000 /* Frame length violation */
-#define R_NO 0x00100000 /* Rx Non Octet Aligned Packet */
-#define R_FR 0x00100000 /* Framing Error (no stop bit) character
- received */
-#define R_PR 0x00080000 /* Parity Error character received */
-#define R_AB 0x00080000 /* Frame Aborted */
-#define R_SH 0x00080000 /* frame is too short */
-#define R_CR 0x00040000 /* CRC Error */
-#define R_OV 0x00020000 /* Overrun */
-#define R_CD 0x00010000 /* CD lost */
-#define R_CL 0x00010000 /* this frame is closed because of a
- collision */
-
-/* Rx Data buffer must be 4 bytes aligned in most cases.*/
-#define UCC_SLOW_RX_ALIGN 4
-#define UCC_SLOW_MRBLR_ALIGNMENT 4
-#define UCC_SLOW_PRAM_SIZE 0x100
-#define ALIGNMENT_OF_UCC_SLOW_PRAM 64
-
-/* UCC Slow Channel Protocol Mode */
-enum ucc_slow_channel_protocol_mode {
- UCC_SLOW_CHANNEL_PROTOCOL_MODE_QMC = 0x00000002,
- UCC_SLOW_CHANNEL_PROTOCOL_MODE_UART = 0x00000004,
- UCC_SLOW_CHANNEL_PROTOCOL_MODE_BISYNC = 0x00000008,
-};
-
-/* UCC Slow Transparent Transmit CRC (TCRC) */
-enum ucc_slow_transparent_tcrc {
- /* 16-bit CCITT CRC (HDLC). (X16 + X12 + X5 + 1) */
- UCC_SLOW_TRANSPARENT_TCRC_CCITT_CRC16 = 0x00000000,
- /* CRC16 (BISYNC). (X16 + X15 + X2 + 1) */
- UCC_SLOW_TRANSPARENT_TCRC_CRC16 = 0x00004000,
- /* 32-bit CCITT CRC (Ethernet and HDLC) */
- UCC_SLOW_TRANSPARENT_TCRC_CCITT_CRC32 = 0x00008000,
-};
-
-/* UCC Slow oversampling rate for transmitter (TDCR) */
-enum ucc_slow_tx_oversampling_rate {
- /* 1x clock mode */
- UCC_SLOW_OVERSAMPLING_RATE_TX_TDCR_1 = 0x00000000,
- /* 8x clock mode */
- UCC_SLOW_OVERSAMPLING_RATE_TX_TDCR_8 = 0x00010000,
- /* 16x clock mode */
- UCC_SLOW_OVERSAMPLING_RATE_TX_TDCR_16 = 0x00020000,
- /* 32x clock mode */
- UCC_SLOW_OVERSAMPLING_RATE_TX_TDCR_32 = 0x00030000,
-};
-
-/* UCC Slow Oversampling rate for receiver (RDCR)
-*/
-enum ucc_slow_rx_oversampling_rate {
- /* 1x clock mode */
- UCC_SLOW_OVERSAMPLING_RATE_RX_RDCR_1 = 0x00000000,
- /* 8x clock mode */
- UCC_SLOW_OVERSAMPLING_RATE_RX_RDCR_8 = 0x00004000,
- /* 16x clock mode */
- UCC_SLOW_OVERSAMPLING_RATE_RX_RDCR_16 = 0x00008000,
- /* 32x clock mode */
- UCC_SLOW_OVERSAMPLING_RATE_RX_RDCR_32 = 0x0000c000,
-};
-
-/* UCC Slow Transmitter encoding method (TENC)
-*/
-enum ucc_slow_tx_encoding_method {
- UCC_SLOW_TRANSMITTER_ENCODING_METHOD_TENC_NRZ = 0x00000000,
- UCC_SLOW_TRANSMITTER_ENCODING_METHOD_TENC_NRZI = 0x00000100
-};
-
-/* UCC Slow Receiver decoding method (RENC)
-*/
-enum ucc_slow_rx_decoding_method {
- UCC_SLOW_RECEIVER_DECODING_METHOD_RENC_NRZ = 0x00000000,
- UCC_SLOW_RECEIVER_DECODING_METHOD_RENC_NRZI = 0x00000800
-};
-
-/* UCC Slow Diagnostic mode (DIAG)
-*/
-enum ucc_slow_diag_mode {
- UCC_SLOW_DIAG_MODE_NORMAL = 0x00000000,
- UCC_SLOW_DIAG_MODE_LOOPBACK = 0x00000040,
- UCC_SLOW_DIAG_MODE_ECHO = 0x00000080,
- UCC_SLOW_DIAG_MODE_LOOPBACK_ECHO = 0x000000c0
-};
-
-struct ucc_slow_info {
- int ucc_num;
- int protocol; /* QE_CR_PROTOCOL_xxx */
- enum qe_clock rx_clock;
- enum qe_clock tx_clock;
- phys_addr_t regs;
- int irq;
- u16 uccm_mask;
- int data_mem_part;
- int init_tx;
- int init_rx;
- u32 tx_bd_ring_len;
- u32 rx_bd_ring_len;
- int rx_interrupts;
- int brkpt_support;
- int grant_support;
- int tsa;
- int cdp;
- int cds;
- int ctsp;
- int ctss;
- int rinv;
- int tinv;
- int rtsm;
- int rfw;
- int tci;
- int tend;
- int tfl;
- int txsy;
- u16 max_rx_buf_length;
- enum ucc_slow_transparent_tcrc tcrc;
- enum ucc_slow_channel_protocol_mode mode;
- enum ucc_slow_diag_mode diag;
- enum ucc_slow_tx_oversampling_rate tdcr;
- enum ucc_slow_rx_oversampling_rate rdcr;
- enum ucc_slow_tx_encoding_method tenc;
- enum ucc_slow_rx_decoding_method renc;
-};
-
-struct ucc_slow_private {
- struct ucc_slow_info *us_info;
- struct ucc_slow __iomem *us_regs; /* Ptr to memory map of UCC regs */
- struct ucc_slow_pram *us_pram; /* a pointer to the parameter RAM */
- u32 us_pram_offset;
- int enabled_tx; /* Whether channel is enabled for Tx (ENT) */
- int enabled_rx; /* Whether channel is enabled for Rx (ENR) */
- int stopped_tx; /* Whether channel has been stopped for Tx
- (STOP_TX, etc.) */
- int stopped_rx; /* Whether channel has been stopped for Rx */
- struct list_head confQ; /* frames passed to chip waiting for tx */
- u32 first_tx_bd_mask; /* mask is used in Tx routine to save status
- and length for first BD in a frame */
- u32 tx_base_offset; /* first BD in Tx BD table offset (In MURAM) */
- u32 rx_base_offset; /* first BD in Rx BD table offset (In MURAM) */
- struct qe_bd *confBd; /* next BD for confirm after Tx */
- struct qe_bd *tx_bd; /* next BD for new Tx request */
- struct qe_bd *rx_bd; /* next BD to collect after Rx */
- void *p_rx_frame; /* accumulating receive frame */
- u16 *p_ucce; /* a pointer to the event register in memory.
- */
- u16 *p_uccm; /* a pointer to the mask register in memory */
- u16 saved_uccm; /* a saved mask for the RX Interrupt bits */
-#ifdef STATISTICS
- u32 tx_frames; /* Transmitted frames counters */
- u32 rx_frames; /* Received frames counters (only frames
- passed to application) */
- u32 rx_discarded; /* Discarded frames counters (frames that
- were discarded by the driver due to
- errors) */
-#endif /* STATISTICS */
-};
-
-/* ucc_slow_init
- * Initializes Slow UCC according to provided parameters.
- *
- * us_info - (In) pointer to the slow UCC info structure.
- * uccs_ret - (Out) pointer to the slow UCC structure.
- */
-int ucc_slow_init(struct ucc_slow_info * us_info, struct ucc_slow_private ** uccs_ret);
-
-/* ucc_slow_free
- * Frees all resources for slow UCC.
- *
- * uccs - (In) pointer to the slow UCC structure.
- */
-void ucc_slow_free(struct ucc_slow_private * uccs);
-
-/* ucc_slow_enable
- * Enables a fast UCC port.
- * This routine enables Tx and/or Rx through the General UCC Mode Register.
- *
- * uccs - (In) pointer to the slow UCC structure.
- * mode - (In) TX, RX, or both.
- */
-void ucc_slow_enable(struct ucc_slow_private * uccs, enum comm_dir mode);
-
-/* ucc_slow_disable
- * Disables a fast UCC port.
- * This routine disables Tx and/or Rx through the General UCC Mode Register.
- *
- * uccs - (In) pointer to the slow UCC structure.
- * mode - (In) TX, RX, or both.
- */
-void ucc_slow_disable(struct ucc_slow_private * uccs, enum comm_dir mode);
-
-/* ucc_slow_graceful_stop_tx
- * Smoothly stops transmission on a specified slow UCC.
- *
- * uccs - (In) pointer to the slow UCC structure.
- */
-void ucc_slow_graceful_stop_tx(struct ucc_slow_private * uccs);
-
-/* ucc_slow_stop_tx
- * Stops transmission on a specified slow UCC.
- *
- * uccs - (In) pointer to the slow UCC structure.
- */
-void ucc_slow_stop_tx(struct ucc_slow_private * uccs);
-
-/* ucc_slow_restart_tx
- * Restarts transmitting on a specified slow UCC.
- *
- * uccs - (In) pointer to the slow UCC structure.
- */
-void ucc_slow_restart_tx(struct ucc_slow_private *uccs);
-
-u32 ucc_slow_get_qe_cr_subblock(int uccs_num);
-
-#endif /* __UCC_SLOW_H__ */
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index 4b6b8ace1..1f2594d45 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -12,10 +12,9 @@
#include <uapi/asm/unistd.h>
-#define __NR_syscalls 379
+#define NR_syscalls 380
#define __NR__exit __NR_exit
-#define NR_syscalls __NR_syscalls
#ifndef __ASSEMBLY__
diff --git a/arch/powerpc/include/asm/vdso_datapage.h b/arch/powerpc/include/asm/vdso_datapage.h
index b73a8199f..1afe90ade 100644
--- a/arch/powerpc/include/asm/vdso_datapage.h
+++ b/arch/powerpc/include/asm/vdso_datapage.h
@@ -41,7 +41,7 @@
#include <linux/unistd.h>
#include <linux/time.h>
-#define SYSCALL_MAP_SIZE ((__NR_syscalls + 31) / 32)
+#define SYSCALL_MAP_SIZE ((NR_syscalls + 31) / 32)
/*
* So here is the ppc64 backward compatible version