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-rw-r--r--arch/powerpc/include/asm/asm-compat.h4
-rw-r--r--arch/powerpc/include/asm/atomic.h4
-rw-r--r--arch/powerpc/include/asm/bitops.h8
-rw-r--r--arch/powerpc/include/asm/book3s/64/kup.h2
-rw-r--r--arch/powerpc/include/asm/bug.h62
-rw-r--r--arch/powerpc/include/asm/compat.h27
-rw-r--r--arch/powerpc/include/asm/debugfs.h13
-rw-r--r--arch/powerpc/include/asm/drmem.h1
-rw-r--r--arch/powerpc/include/asm/extable.h14
-rw-r--r--arch/powerpc/include/asm/firmware.h7
-rw-r--r--arch/powerpc/include/asm/iommu.h1
-rw-r--r--arch/powerpc/include/asm/kvm_book3s_64.h1
-rw-r--r--arch/powerpc/include/asm/kvm_host.h3
-rw-r--r--arch/powerpc/include/asm/kvm_ppc.h4
-rw-r--r--arch/powerpc/include/asm/membarrier.h3
-rw-r--r--arch/powerpc/include/asm/mmu.h2
-rw-r--r--arch/powerpc/include/asm/pci-bridge.h5
-rw-r--r--arch/powerpc/include/asm/pmc.h7
-rw-r--r--arch/powerpc/include/asm/pnv-pci.h2
-rw-r--r--arch/powerpc/include/asm/ppc-opcode.h2
-rw-r--r--arch/powerpc/include/asm/ppc_asm.h13
-rw-r--r--arch/powerpc/include/asm/prom.h3
-rw-r--r--arch/powerpc/include/asm/ptrace.h37
-rw-r--r--arch/powerpc/include/asm/reg.h3
-rw-r--r--arch/powerpc/include/asm/sections.h8
-rw-r--r--arch/powerpc/include/asm/simple_spinlock.h6
-rw-r--r--arch/powerpc/include/asm/smp.h6
-rw-r--r--arch/powerpc/include/asm/syscall.h20
-rw-r--r--arch/powerpc/include/asm/syscalls.h30
-rw-r--r--arch/powerpc/include/asm/tce.h8
-rw-r--r--arch/powerpc/include/asm/topology.h19
-rw-r--r--arch/powerpc/include/asm/unistd.h2
-rw-r--r--arch/powerpc/include/asm/vdso/processor.h9
-rw-r--r--arch/powerpc/include/asm/xics.h3
-rw-r--r--arch/powerpc/include/asm/xive-regs.h3
-rw-r--r--arch/powerpc/include/asm/xive.h2
36 files changed, 217 insertions, 127 deletions
diff --git a/arch/powerpc/include/asm/asm-compat.h b/arch/powerpc/include/asm/asm-compat.h
index 19b70c5b5f18..2b736d9fbb1b 100644
--- a/arch/powerpc/include/asm/asm-compat.h
+++ b/arch/powerpc/include/asm/asm-compat.h
@@ -17,7 +17,7 @@
#define PPC_LONG stringify_in_c(.8byte)
#define PPC_LONG_ALIGN stringify_in_c(.balign 8)
#define PPC_TLNEI stringify_in_c(tdnei)
-#define PPC_LLARX(t, a, b, eh) PPC_LDARX(t, a, b, eh)
+#define PPC_LLARX stringify_in_c(ldarx)
#define PPC_STLCX stringify_in_c(stdcx.)
#define PPC_CNTLZL stringify_in_c(cntlzd)
#define PPC_MTOCRF(FXM, RS) MTOCRF((FXM), RS)
@@ -50,7 +50,7 @@
#define PPC_LONG stringify_in_c(.long)
#define PPC_LONG_ALIGN stringify_in_c(.balign 4)
#define PPC_TLNEI stringify_in_c(twnei)
-#define PPC_LLARX(t, a, b, eh) PPC_LWARX(t, a, b, eh)
+#define PPC_LLARX stringify_in_c(lwarx)
#define PPC_STLCX stringify_in_c(stwcx.)
#define PPC_CNTLZL stringify_in_c(cntlzw)
#define PPC_MTOCRF stringify_in_c(mtcrf)
diff --git a/arch/powerpc/include/asm/atomic.h b/arch/powerpc/include/asm/atomic.h
index a1732a79e92a..6a53ef178bfd 100644
--- a/arch/powerpc/include/asm/atomic.h
+++ b/arch/powerpc/include/asm/atomic.h
@@ -207,7 +207,7 @@ arch_atomic_try_cmpxchg_lock(atomic_t *v, int *old, int new)
int r, o = *old;
__asm__ __volatile__ (
-"1:\t" PPC_LWARX(%0,0,%2,1) " # atomic_try_cmpxchg_acquire \n"
+"1: lwarx %0,0,%2,%5 # atomic_try_cmpxchg_acquire \n"
" cmpw 0,%0,%3 \n"
" bne- 2f \n"
" stwcx. %4,0,%2 \n"
@@ -215,7 +215,7 @@ arch_atomic_try_cmpxchg_lock(atomic_t *v, int *old, int new)
"\t" PPC_ACQUIRE_BARRIER " \n"
"2: \n"
: "=&r" (r), "+m" (v->counter)
- : "r" (&v->counter), "r" (o), "r" (new)
+ : "r" (&v->counter), "r" (o), "r" (new), "i" (IS_ENABLED(CONFIG_PPC64) ? 1 : 0)
: "cr0", "memory");
if (unlikely(r != o))
diff --git a/arch/powerpc/include/asm/bitops.h b/arch/powerpc/include/asm/bitops.h
index 299ab33505a6..11847b6a244e 100644
--- a/arch/powerpc/include/asm/bitops.h
+++ b/arch/powerpc/include/asm/bitops.h
@@ -70,7 +70,7 @@ static inline void fn(unsigned long mask, \
unsigned long *p = (unsigned long *)_p; \
__asm__ __volatile__ ( \
prefix \
-"1:" PPC_LLARX(%0,0,%3,0) "\n" \
+"1:" PPC_LLARX "%0,0,%3,0\n" \
stringify_in_c(op) "%0,%0,%2\n" \
PPC_STLCX "%0,0,%3\n" \
"bne- 1b\n" \
@@ -115,13 +115,13 @@ static inline unsigned long fn( \
unsigned long *p = (unsigned long *)_p; \
__asm__ __volatile__ ( \
prefix \
-"1:" PPC_LLARX(%0,0,%3,eh) "\n" \
+"1:" PPC_LLARX "%0,0,%3,%4\n" \
stringify_in_c(op) "%1,%0,%2\n" \
PPC_STLCX "%1,0,%3\n" \
"bne- 1b\n" \
postfix \
: "=&r" (old), "=&r" (t) \
- : "r" (mask), "r" (p) \
+ : "r" (mask), "r" (p), "i" (IS_ENABLED(CONFIG_PPC64) ? eh : 0) \
: "cc", "memory"); \
return (old & mask); \
}
@@ -170,7 +170,7 @@ clear_bit_unlock_return_word(int nr, volatile unsigned long *addr)
__asm__ __volatile__ (
PPC_RELEASE_BARRIER
-"1:" PPC_LLARX(%0,0,%3,0) "\n"
+"1:" PPC_LLARX "%0,0,%3,0\n"
"andc %1,%0,%2\n"
PPC_STLCX "%1,0,%3\n"
"bne- 1b\n"
diff --git a/arch/powerpc/include/asm/book3s/64/kup.h b/arch/powerpc/include/asm/book3s/64/kup.h
index a1cc73a88710..170339969b7c 100644
--- a/arch/powerpc/include/asm/book3s/64/kup.h
+++ b/arch/powerpc/include/asm/book3s/64/kup.h
@@ -90,7 +90,7 @@
/* Prevent access to userspace using any key values */
LOAD_REG_IMMEDIATE(\gpr2, AMR_KUAP_BLOCKED)
999: tdne \gpr1, \gpr2
- EMIT_BUG_ENTRY 999b, __FILE__, __LINE__, (BUGFLAG_WARNING | BUGFLAG_ONCE)
+ EMIT_WARN_ENTRY 999b, __FILE__, __LINE__, (BUGFLAG_WARNING | BUGFLAG_ONCE)
END_MMU_FTR_SECTION_NESTED_IFSET(MMU_FTR_BOOK3S_KUAP, 67)
#endif
.endm
diff --git a/arch/powerpc/include/asm/bug.h b/arch/powerpc/include/asm/bug.h
index 0b2162890d8b..02c08d1492f8 100644
--- a/arch/powerpc/include/asm/bug.h
+++ b/arch/powerpc/include/asm/bug.h
@@ -4,6 +4,7 @@
#ifdef __KERNEL__
#include <asm/asm-compat.h>
+#include <asm/extable.h>
#ifdef CONFIG_BUG
@@ -30,6 +31,11 @@
.endm
#endif /* verbose */
+.macro EMIT_WARN_ENTRY addr,file,line,flags
+ EX_TABLE(\addr,\addr+4)
+ EMIT_BUG_ENTRY \addr,\file,\line,\flags
+.endm
+
#else /* !__ASSEMBLY__ */
/* _EMIT_BUG_ENTRY expects args %0,%1,%2,%3 to be FILE, LINE, flags and
sizeof(struct bug_entry), respectively */
@@ -58,6 +64,16 @@
"i" (sizeof(struct bug_entry)), \
##__VA_ARGS__)
+#define WARN_ENTRY(insn, flags, label, ...) \
+ asm_volatile_goto( \
+ "1: " insn "\n" \
+ EX_TABLE(1b, %l[label]) \
+ _EMIT_BUG_ENTRY \
+ : : "i" (__FILE__), "i" (__LINE__), \
+ "i" (flags), \
+ "i" (sizeof(struct bug_entry)), \
+ ##__VA_ARGS__ : : label)
+
/*
* BUG_ON() and WARN_ON() do their best to cooperate with compile-time
* optimisations. However depending on the complexity of the condition
@@ -68,7 +84,19 @@
BUG_ENTRY("twi 31, 0, 0", 0); \
unreachable(); \
} while (0)
+#define HAVE_ARCH_BUG
+#define __WARN_FLAGS(flags) do { \
+ __label__ __label_warn_on; \
+ \
+ WARN_ENTRY("twi 31, 0, 0", BUGFLAG_WARNING | (flags), __label_warn_on); \
+ unreachable(); \
+ \
+__label_warn_on: \
+ break; \
+} while (0)
+
+#ifdef CONFIG_PPC64
#define BUG_ON(x) do { \
if (__builtin_constant_p(x)) { \
if (x) \
@@ -78,31 +106,43 @@
} \
} while (0)
-#define __WARN_FLAGS(flags) BUG_ENTRY("twi 31, 0, 0", BUGFLAG_WARNING | (flags))
-
#define WARN_ON(x) ({ \
- int __ret_warn_on = !!(x); \
- if (__builtin_constant_p(__ret_warn_on)) { \
- if (__ret_warn_on) \
+ bool __ret_warn_on = false; \
+ do { \
+ if (__builtin_constant_p((x))) { \
+ if (!(x)) \
+ break; \
__WARN(); \
- } else { \
- BUG_ENTRY(PPC_TLNEI " %4, 0", \
- BUGFLAG_WARNING | BUGFLAG_TAINT(TAINT_WARN), \
- "r" (__ret_warn_on)); \
- } \
+ __ret_warn_on = true; \
+ } else { \
+ __label__ __label_warn_on; \
+ \
+ WARN_ENTRY(PPC_TLNEI " %4, 0", \
+ BUGFLAG_WARNING | BUGFLAG_TAINT(TAINT_WARN), \
+ __label_warn_on, \
+ "r" ((__force long)(x))); \
+ break; \
+__label_warn_on: \
+ __ret_warn_on = true; \
+ } \
+ } while (0); \
unlikely(__ret_warn_on); \
})
-#define HAVE_ARCH_BUG
#define HAVE_ARCH_BUG_ON
#define HAVE_ARCH_WARN_ON
+#endif
+
#endif /* __ASSEMBLY __ */
#else
#ifdef __ASSEMBLY__
.macro EMIT_BUG_ENTRY addr,file,line,flags
.endm
+.macro EMIT_WARN_ENTRY addr,file,line,flags
+.endm
#else /* !__ASSEMBLY__ */
#define _EMIT_BUG_ENTRY
+#define _EMIT_WARN_ENTRY
#endif
#endif /* CONFIG_BUG */
diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
index 9191fc29e6ed..7afc96fb6524 100644
--- a/arch/powerpc/include/asm/compat.h
+++ b/arch/powerpc/include/asm/compat.h
@@ -19,13 +19,9 @@
typedef u32 __compat_uid_t;
typedef u32 __compat_gid_t;
-typedef u32 __compat_uid32_t;
-typedef u32 __compat_gid32_t;
-typedef u32 compat_mode_t;
typedef u32 compat_dev_t;
typedef s16 compat_nlink_t;
typedef u16 compat_ipc_pid_t;
-typedef u32 compat_caddr_t;
typedef __kernel_fsid_t compat_fsid_t;
struct compat_stat {
@@ -85,31 +81,8 @@ struct compat_statfs {
#define COMPAT_RLIM_INFINITY 0xffffffff
-typedef u32 compat_old_sigset_t;
-
-#define _COMPAT_NSIG 64
-#define _COMPAT_NSIG_BPW 32
-
-typedef u32 compat_sigset_word;
-
#define COMPAT_OFF_T_MAX 0x7fffffff
-static inline void __user *arch_compat_alloc_user_space(long len)
-{
- struct pt_regs *regs = current->thread.regs;
- unsigned long usp = regs->gpr[1];
-
- /*
- * We can't access below the stack pointer in the 32bit ABI and
- * can access 288 bytes in the 64bit big-endian ABI,
- * or 512 bytes with the new ELFv2 little-endian ABI.
- */
- if (!is_32bit_task())
- usp -= USER_REDZONE_SIZE;
-
- return (void __user *) (usp - len);
-}
-
/*
* ipc64_perm is actually 32/64bit clean but since the compat layer refers to
* it we may as well define it.
diff --git a/arch/powerpc/include/asm/debugfs.h b/arch/powerpc/include/asm/debugfs.h
deleted file mode 100644
index 2c5c48571d75..000000000000
--- a/arch/powerpc/include/asm/debugfs.h
+++ /dev/null
@@ -1,13 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-#ifndef _ASM_POWERPC_DEBUGFS_H
-#define _ASM_POWERPC_DEBUGFS_H
-
-/*
- * Copyright 2017, Michael Ellerman, IBM Corporation.
- */
-
-#include <linux/debugfs.h>
-
-extern struct dentry *powerpc_debugfs_root;
-
-#endif /* _ASM_POWERPC_DEBUGFS_H */
diff --git a/arch/powerpc/include/asm/drmem.h b/arch/powerpc/include/asm/drmem.h
index bf2402fed3e0..4265d5e95c2c 100644
--- a/arch/powerpc/include/asm/drmem.h
+++ b/arch/powerpc/include/asm/drmem.h
@@ -111,6 +111,7 @@ int drmem_update_dt(void);
int __init
walk_drmem_lmbs_early(unsigned long node, void *data,
int (*func)(struct drmem_lmb *, const __be32 **, void *));
+void drmem_update_lmbs(struct property *prop);
#endif
static inline void invalidate_lmb_associativity_index(struct drmem_lmb *lmb)
diff --git a/arch/powerpc/include/asm/extable.h b/arch/powerpc/include/asm/extable.h
index eb91b2d2935a..26ce2e5c0fa8 100644
--- a/arch/powerpc/include/asm/extable.h
+++ b/arch/powerpc/include/asm/extable.h
@@ -17,6 +17,8 @@
#define ARCH_HAS_RELATIVE_EXTABLE
+#ifndef __ASSEMBLY__
+
struct exception_table_entry {
int insn;
int fixup;
@@ -28,3 +30,15 @@ static inline unsigned long extable_fixup(const struct exception_table_entry *x)
}
#endif
+
+/*
+ * Helper macro for exception table entries
+ */
+#define EX_TABLE(_fault, _target) \
+ stringify_in_c(.section __ex_table,"a";)\
+ stringify_in_c(.balign 4;) \
+ stringify_in_c(.long (_fault) - . ;) \
+ stringify_in_c(.long (_target) - . ;) \
+ stringify_in_c(.previous)
+
+#endif
diff --git a/arch/powerpc/include/asm/firmware.h b/arch/powerpc/include/asm/firmware.h
index 7604673787d6..97a3bd9ffeb9 100644
--- a/arch/powerpc/include/asm/firmware.h
+++ b/arch/powerpc/include/asm/firmware.h
@@ -44,7 +44,7 @@
#define FW_FEATURE_OPAL ASM_CONST(0x0000000010000000)
#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_FORM1_AFFINITY ASM_CONST(0x0000000100000000)
#define FW_FEATURE_PRRN ASM_CONST(0x0000000200000000)
#define FW_FEATURE_DRMEM_V2 ASM_CONST(0x0000000400000000)
#define FW_FEATURE_DRC_INFO ASM_CONST(0x0000000800000000)
@@ -53,6 +53,7 @@
#define FW_FEATURE_ULTRAVISOR ASM_CONST(0x0000004000000000)
#define FW_FEATURE_STUFF_TCE ASM_CONST(0x0000008000000000)
#define FW_FEATURE_RPT_INVALIDATE ASM_CONST(0x0000010000000000)
+#define FW_FEATURE_FORM2_AFFINITY ASM_CONST(0x0000020000000000)
#ifndef __ASSEMBLY__
@@ -69,11 +70,11 @@ enum {
FW_FEATURE_SPLPAR | FW_FEATURE_LPAR |
FW_FEATURE_CMO | FW_FEATURE_VPHN | FW_FEATURE_XCMO |
FW_FEATURE_SET_MODE | FW_FEATURE_BEST_ENERGY |
- FW_FEATURE_TYPE1_AFFINITY | FW_FEATURE_PRRN |
+ FW_FEATURE_FORM1_AFFINITY | FW_FEATURE_PRRN |
FW_FEATURE_HPT_RESIZE | FW_FEATURE_DRMEM_V2 |
FW_FEATURE_DRC_INFO | FW_FEATURE_BLOCK_REMOVE |
FW_FEATURE_PAPR_SCM | FW_FEATURE_ULTRAVISOR |
- FW_FEATURE_RPT_INVALIDATE,
+ FW_FEATURE_RPT_INVALIDATE | FW_FEATURE_FORM2_AFFINITY,
FW_FEATURE_PSERIES_ALWAYS = 0,
FW_FEATURE_POWERNV_POSSIBLE = FW_FEATURE_OPAL | FW_FEATURE_ULTRAVISOR,
FW_FEATURE_POWERNV_ALWAYS = 0,
diff --git a/arch/powerpc/include/asm/iommu.h b/arch/powerpc/include/asm/iommu.h
index deef7c94d7b6..bf3b84128525 100644
--- a/arch/powerpc/include/asm/iommu.h
+++ b/arch/powerpc/include/asm/iommu.h
@@ -154,6 +154,7 @@ extern int iommu_tce_table_put(struct iommu_table *tbl);
*/
extern struct iommu_table *iommu_init_table(struct iommu_table *tbl,
int nid, unsigned long res_start, unsigned long res_end);
+bool iommu_table_in_use(struct iommu_table *tbl);
#define IOMMU_TABLE_GROUP_MAX_TABLES 2
diff --git a/arch/powerpc/include/asm/kvm_book3s_64.h b/arch/powerpc/include/asm/kvm_book3s_64.h
index eaf3a562bf1e..19b6942c6969 100644
--- a/arch/powerpc/include/asm/kvm_book3s_64.h
+++ b/arch/powerpc/include/asm/kvm_book3s_64.h
@@ -39,6 +39,7 @@ struct kvm_nested_guest {
pgd_t *shadow_pgtable; /* our page table for this guest */
u64 l1_gr_to_hr; /* L1's addr of part'n-scoped table */
u64 process_table; /* process table entry for this guest */
+ u64 hfscr; /* HFSCR that the L1 requested for this nested guest */
long refcnt; /* number of pointers to this struct */
struct mutex tlb_lock; /* serialize page faults and tlbies */
struct kvm_nested_guest *next;
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index 9f52f282b1aa..080a7feb7731 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -103,7 +103,6 @@ struct kvm_vcpu_stat {
u64 emulated_inst_exits;
u64 dec_exits;
u64 ext_intr_exits;
- u64 halt_wait_ns;
u64 halt_successful_wait;
u64 dbell_exits;
u64 gdbell_exits;
@@ -811,6 +810,8 @@ struct kvm_vcpu_arch {
u32 online;
+ u64 hfscr_permitted; /* A mask of permitted HFSCR facilities */
+
/* For support of nested guests */
struct kvm_nested_guest *nested;
u32 nested_vcpu_id;
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index 2d88944f9f34..671fbd1a765e 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -664,9 +664,9 @@ extern int kvmppc_xive_connect_vcpu(struct kvm_device *dev,
struct kvm_vcpu *vcpu, u32 cpu);
extern void kvmppc_xive_cleanup_vcpu(struct kvm_vcpu *vcpu);
extern int kvmppc_xive_set_mapped(struct kvm *kvm, unsigned long guest_irq,
- struct irq_desc *host_desc);
+ unsigned long host_irq);
extern int kvmppc_xive_clr_mapped(struct kvm *kvm, unsigned long guest_irq,
- struct irq_desc *host_desc);
+ unsigned long host_irq);
extern u64 kvmppc_xive_get_icp(struct kvm_vcpu *vcpu);
extern int kvmppc_xive_set_icp(struct kvm_vcpu *vcpu, u64 icpval);
diff --git a/arch/powerpc/include/asm/membarrier.h b/arch/powerpc/include/asm/membarrier.h
index 6e20bb5c74ea..de7f79157918 100644
--- a/arch/powerpc/include/asm/membarrier.h
+++ b/arch/powerpc/include/asm/membarrier.h
@@ -12,7 +12,8 @@ static inline void membarrier_arch_switch_mm(struct mm_struct *prev,
* when switching from userspace to kernel is not needed after
* store to rq->curr.
*/
- if (likely(!(atomic_read(&next->membarrier_state) &
+ if (IS_ENABLED(CONFIG_SMP) &&
+ likely(!(atomic_read(&next->membarrier_state) &
(MEMBARRIER_STATE_PRIVATE_EXPEDITED |
MEMBARRIER_STATE_GLOBAL_EXPEDITED)) || !prev))
return;
diff --git a/arch/powerpc/include/asm/mmu.h b/arch/powerpc/include/asm/mmu.h
index 27016b98ecb2..8abe8e42e045 100644
--- a/arch/powerpc/include/asm/mmu.h
+++ b/arch/powerpc/include/asm/mmu.h
@@ -324,7 +324,7 @@ static inline void assert_pte_locked(struct mm_struct *mm, unsigned long addr)
}
#endif /* !CONFIG_DEBUG_VM */
-static inline bool radix_enabled(void)
+static __always_inline bool radix_enabled(void)
{
return mmu_has_feature(MMU_FTR_TYPE_RADIX);
}
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h
index 74424c14515c..90f488fa4c17 100644
--- a/arch/powerpc/include/asm/pci-bridge.h
+++ b/arch/powerpc/include/asm/pci-bridge.h
@@ -126,6 +126,11 @@ struct pci_controller {
#endif /* CONFIG_PPC64 */
void *private_data;
+
+ /* IRQ domain hierarchy */
+ struct irq_domain *dev_domain;
+ struct irq_domain *msi_domain;
+ struct fwnode_handle *fwnode;
};
/* These are used for config access before all the PCI probing
diff --git a/arch/powerpc/include/asm/pmc.h b/arch/powerpc/include/asm/pmc.h
index c6bbe9778d3c..3c09109e708e 100644
--- a/arch/powerpc/include/asm/pmc.h
+++ b/arch/powerpc/include/asm/pmc.h
@@ -34,6 +34,13 @@ static inline void ppc_set_pmu_inuse(int inuse)
#endif
}
+#ifdef CONFIG_KVM_BOOK3S_HV_POSSIBLE
+static inline int ppc_get_pmu_inuse(void)
+{
+ return get_paca()->pmcregs_in_use;
+}
+#endif
+
extern void power4_enable_pmcs(void);
#else /* CONFIG_PPC64 */
diff --git a/arch/powerpc/include/asm/pnv-pci.h b/arch/powerpc/include/asm/pnv-pci.h
index d0ee0ede5767..b3f480799352 100644
--- a/arch/powerpc/include/asm/pnv-pci.h
+++ b/arch/powerpc/include/asm/pnv-pci.h
@@ -33,7 +33,7 @@ int pnv_cxl_alloc_hwirqs(struct pci_dev *dev, int num);
void pnv_cxl_release_hwirqs(struct pci_dev *dev, int hwirq, int num);
int pnv_cxl_get_irq_count(struct pci_dev *dev);
struct device_node *pnv_pci_get_phb_node(struct pci_dev *dev);
-int64_t pnv_opal_pci_msi_eoi(struct irq_chip *chip, unsigned int hw_irq);
+int64_t pnv_opal_pci_msi_eoi(struct irq_data *d);
bool is_pnv_opal_msi(struct irq_chip *chip);
#ifdef CONFIG_CXL_BASE
diff --git a/arch/powerpc/include/asm/ppc-opcode.h b/arch/powerpc/include/asm/ppc-opcode.h
index bede76dd3db7..baea657bc868 100644
--- a/arch/powerpc/include/asm/ppc-opcode.h
+++ b/arch/powerpc/include/asm/ppc-opcode.h
@@ -576,8 +576,6 @@
#define PPC_DIVDE(t, a, b) stringify_in_c(.long PPC_RAW_DIVDE(t, a, b))
#define PPC_DIVDEU(t, a, b) stringify_in_c(.long PPC_RAW_DIVDEU(t, a, b))
#define PPC_LQARX(t, a, b, eh) stringify_in_c(.long PPC_RAW_LQARX(t, a, b, eh))
-#define PPC_LDARX(t, a, b, eh) stringify_in_c(.long PPC_RAW_LDARX(t, a, b, eh))
-#define PPC_LWARX(t, a, b, eh) stringify_in_c(.long PPC_RAW_LWARX(t, a, b, eh))
#define PPC_STQCX(t, a, b) stringify_in_c(.long PPC_RAW_STQCX(t, a, b))
#define PPC_MADDHD(t, a, b, c) stringify_in_c(.long PPC_RAW_MADDHD(t, a, b, c))
#define PPC_MADDHDU(t, a, b, c) stringify_in_c(.long PPC_RAW_MADDHDU(t, a, b, c))
diff --git a/arch/powerpc/include/asm/ppc_asm.h b/arch/powerpc/include/asm/ppc_asm.h
index 116c1519728a..1c538a9a11e0 100644
--- a/arch/powerpc/include/asm/ppc_asm.h
+++ b/arch/powerpc/include/asm/ppc_asm.h
@@ -10,6 +10,7 @@
#include <asm/ppc-opcode.h>
#include <asm/firmware.h>
#include <asm/feature-fixups.h>
+#include <asm/extable.h>
#ifdef __ASSEMBLY__
@@ -259,7 +260,7 @@ n:
/* Be careful, this will clobber the lr register. */
#define LOAD_REG_ADDR_PIC(reg, name) \
- bl 0f; \
+ bcl 20,31,$+4; \
0: mflr reg; \
addis reg,reg,(name - 0b)@ha; \
addi reg,reg,(name - 0b)@l;
@@ -752,16 +753,6 @@ END_FTR_SECTION_NESTED(CPU_FTR_CELL_TB_BUG, CPU_FTR_CELL_TB_BUG, 96)
#endif /* __ASSEMBLY__ */
-/*
- * Helper macro for exception table entries
- */
-#define EX_TABLE(_fault, _target) \
- stringify_in_c(.section __ex_table,"a";)\
- stringify_in_c(.balign 4;) \
- stringify_in_c(.long (_fault) - . ;) \
- stringify_in_c(.long (_target) - . ;) \
- stringify_in_c(.previous)
-
#define SOFT_MASK_TABLE(_start, _end) \
stringify_in_c(.section __soft_mask_table,"a";)\
stringify_in_c(.balign 8;) \
diff --git a/arch/powerpc/include/asm/prom.h b/arch/powerpc/include/asm/prom.h
index 324a13351749..5c80152e8f18 100644
--- a/arch/powerpc/include/asm/prom.h
+++ b/arch/powerpc/include/asm/prom.h
@@ -147,8 +147,9 @@ extern int of_read_drc_info_cell(struct property **prop,
#define OV5_MSI 0x0201 /* PCIe/MSI support */
#define OV5_CMO 0x0480 /* Cooperative Memory Overcommitment */
#define OV5_XCMO 0x0440 /* Page Coalescing */
-#define OV5_TYPE1_AFFINITY 0x0580 /* Type 1 NUMA affinity */
+#define OV5_FORM1_AFFINITY 0x0580 /* FORM1 NUMA affinity */
#define OV5_PRRN 0x0540 /* Platform Resource Reassignment */
+#define OV5_FORM2_AFFINITY 0x0520 /* Form2 NUMA affinity */
#define OV5_HP_EVT 0x0604 /* Hot Plug Event support */
#define OV5_RESIZE_HPT 0x0601 /* Hash Page Table resizing */
#define OV5_PFO_HW_RNG 0x1180 /* PFO Random Number Generator */
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index 14422e851494..6e560f035614 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -22,6 +22,7 @@
#include <linux/err.h>
#include <uapi/asm/ptrace.h>
#include <asm/asm-const.h>
+#include <asm/reg.h>
#ifndef __ASSEMBLY__
struct pt_regs
@@ -43,8 +44,14 @@ struct pt_regs
unsigned long mq;
#endif
unsigned long trap;
- unsigned long dar;
- unsigned long dsisr;
+ union {
+ unsigned long dar;
+ unsigned long dear;
+ };
+ union {
+ unsigned long dsisr;
+ unsigned long esr;
+ };
unsigned long result;
};
};
@@ -197,11 +204,7 @@ static inline unsigned long frame_pointer(struct pt_regs *regs)
return 0;
}
-#ifdef __powerpc64__
-#define user_mode(regs) ((((regs)->msr) >> MSR_PR_LG) & 0x1)
-#else
#define user_mode(regs) (((regs)->msr & MSR_PR) != 0)
-#endif
#define force_successful_syscall_return() \
do { \
@@ -286,6 +289,28 @@ static inline void regs_set_return_value(struct pt_regs *regs, unsigned long rc)
regs->gpr[3] = rc;
}
+static inline bool cpu_has_msr_ri(void)
+{
+ return !IS_ENABLED(CONFIG_BOOKE) && !IS_ENABLED(CONFIG_40x);
+}
+
+static inline bool regs_is_unrecoverable(struct pt_regs *regs)
+{
+ return unlikely(cpu_has_msr_ri() && !(regs->msr & MSR_RI));
+}
+
+static inline void regs_set_recoverable(struct pt_regs *regs)
+{
+ if (cpu_has_msr_ri())
+ regs_set_return_msr(regs, regs->msr | MSR_RI);
+}
+
+static inline void regs_set_unrecoverable(struct pt_regs *regs)
+{
+ if (cpu_has_msr_ri())
+ regs_set_return_msr(regs, regs->msr & ~MSR_RI);
+}
+
#define arch_has_single_step() (1)
#define arch_has_block_step() (true)
#define ARCH_HAS_USER_SINGLE_STEP_REPORT
diff --git a/arch/powerpc/include/asm/reg.h b/arch/powerpc/include/asm/reg.h
index be85cf156a1f..e9d27265253b 100644
--- a/arch/powerpc/include/asm/reg.h
+++ b/arch/powerpc/include/asm/reg.h
@@ -415,6 +415,7 @@
#define FSCR_TAR __MASK(FSCR_TAR_LG)
#define FSCR_EBB __MASK(FSCR_EBB_LG)
#define FSCR_DSCR __MASK(FSCR_DSCR_LG)
+#define FSCR_INTR_CAUSE (ASM_CONST(0xFF) << 56) /* interrupt cause */
#define SPRN_HFSCR 0xbe /* HV=1 Facility Status & Control Register */
#define HFSCR_PREFIX __MASK(FSCR_PREFIX_LG)
#define HFSCR_MSGP __MASK(FSCR_MSGP_LG)
@@ -426,7 +427,7 @@
#define HFSCR_DSCR __MASK(FSCR_DSCR_LG)
#define HFSCR_VECVSX __MASK(FSCR_VECVSX_LG)
#define HFSCR_FP __MASK(FSCR_FP_LG)
-#define HFSCR_INTR_CAUSE (ASM_CONST(0xFF) << 56) /* interrupt cause */
+#define HFSCR_INTR_CAUSE FSCR_INTR_CAUSE
#define SPRN_TAR 0x32f /* Target Address Register */
#define SPRN_LPCR 0x13E /* LPAR Control Register */
#define LPCR_VPM0 ASM_CONST(0x8000000000000000)
diff --git a/arch/powerpc/include/asm/sections.h b/arch/powerpc/include/asm/sections.h
index 324d7b298ec3..6e4af4492a14 100644
--- a/arch/powerpc/include/asm/sections.h
+++ b/arch/powerpc/include/asm/sections.h
@@ -38,14 +38,6 @@ extern char start_virt_trampolines[];
extern char end_virt_trampolines[];
#endif
-static inline int in_kernel_text(unsigned long addr)
-{
- if (addr >= (unsigned long)_stext && addr < (unsigned long)__init_end)
- return 1;
-
- return 0;
-}
-
static inline unsigned long kernel_toc_addr(void)
{
/* Defined by the linker, see vmlinux.lds.S */
diff --git a/arch/powerpc/include/asm/simple_spinlock.h b/arch/powerpc/include/asm/simple_spinlock.h
index 552f325412cc..8985791a2ba5 100644
--- a/arch/powerpc/include/asm/simple_spinlock.h
+++ b/arch/powerpc/include/asm/simple_spinlock.h
@@ -51,7 +51,7 @@ static inline unsigned long __arch_spin_trylock(arch_spinlock_t *lock)
token = LOCK_TOKEN;
__asm__ __volatile__(
-"1: " PPC_LWARX(%0,0,%2,1) "\n\
+"1: lwarx %0,0,%2,1\n\
cmpwi 0,%0,0\n\
bne- 2f\n\
stwcx. %1,0,%2\n\
@@ -179,7 +179,7 @@ static inline long __arch_read_trylock(arch_rwlock_t *rw)
long tmp;
__asm__ __volatile__(
-"1: " PPC_LWARX(%0,0,%1,1) "\n"
+"1: lwarx %0,0,%1,1\n"
__DO_SIGN_EXTEND
" addic. %0,%0,1\n\
ble- 2f\n"
@@ -203,7 +203,7 @@ static inline long __arch_write_trylock(arch_rwlock_t *rw)
token = WRLOCK_TOKEN;
__asm__ __volatile__(
-"1: " PPC_LWARX(%0,0,%2,1) "\n\
+"1: lwarx %0,0,%2,1\n\
cmpwi 0,%0,0\n\
bne- 2f\n"
" stwcx. %1,0,%2\n\
diff --git a/arch/powerpc/include/asm/smp.h b/arch/powerpc/include/asm/smp.h
index 03b3d010cbab..7ef1cd8168a0 100644
--- a/arch/powerpc/include/asm/smp.h
+++ b/arch/powerpc/include/asm/smp.h
@@ -33,6 +33,10 @@ extern bool coregroup_enabled;
extern int cpu_to_chip_id(int cpu);
extern int *chip_id_lookup_table;
+DECLARE_PER_CPU(cpumask_var_t, thread_group_l1_cache_map);
+DECLARE_PER_CPU(cpumask_var_t, thread_group_l2_cache_map);
+DECLARE_PER_CPU(cpumask_var_t, thread_group_l3_cache_map);
+
#ifdef CONFIG_SMP
struct smp_ops_t {
@@ -141,6 +145,7 @@ extern int cpu_to_core_id(int cpu);
extern bool has_big_cores;
extern bool thread_group_shares_l2;
+extern bool thread_group_shares_l3;
#define cpu_smt_mask cpu_smt_mask
#ifdef CONFIG_SCHED_SMT
@@ -195,6 +200,7 @@ extern void __cpu_die(unsigned int cpu);
#define hard_smp_processor_id() get_hard_smp_processor_id(0)
#define smp_setup_cpu_maps()
#define thread_group_shares_l2 0
+#define thread_group_shares_l3 0
static inline void inhibit_secondary_onlining(void) {}
static inline void uninhibit_secondary_onlining(void) {}
static inline const struct cpumask *cpu_sibling_mask(int cpu)
diff --git a/arch/powerpc/include/asm/syscall.h b/arch/powerpc/include/asm/syscall.h
index ba0f88f3a30d..c60ebd04b2ed 100644
--- a/arch/powerpc/include/asm/syscall.h
+++ b/arch/powerpc/include/asm/syscall.h
@@ -90,10 +90,9 @@ static inline void syscall_get_arguments(struct task_struct *task,
unsigned long val, mask = -1UL;
unsigned int n = 6;
-#ifdef CONFIG_COMPAT
- if (test_tsk_thread_flag(task, TIF_32BIT))
+ if (is_32bit_task())
mask = 0xffffffff;
-#endif
+
while (n--) {
if (n == 0)
val = regs->orig_gpr3;
@@ -116,16 +115,11 @@ static inline void syscall_set_arguments(struct task_struct *task,
static inline int syscall_get_arch(struct task_struct *task)
{
- int arch;
-
- if (IS_ENABLED(CONFIG_PPC64) && !test_tsk_thread_flag(task, TIF_32BIT))
- arch = AUDIT_ARCH_PPC64;
+ if (is_32bit_task())
+ return AUDIT_ARCH_PPC;
+ else if (IS_ENABLED(CONFIG_CPU_LITTLE_ENDIAN))
+ return AUDIT_ARCH_PPC64LE;
else
- arch = AUDIT_ARCH_PPC;
-
-#ifdef __LITTLE_ENDIAN__
- arch |= __AUDIT_ARCH_LE;
-#endif
- return arch;
+ return AUDIT_ARCH_PPC64;
}
#endif /* _ASM_SYSCALL_H */
diff --git a/arch/powerpc/include/asm/syscalls.h b/arch/powerpc/include/asm/syscalls.h
index 398171fdcd9f..7ee66ae5444d 100644
--- a/arch/powerpc/include/asm/syscalls.h
+++ b/arch/powerpc/include/asm/syscalls.h
@@ -6,6 +6,7 @@
#include <linux/compiler.h>
#include <linux/linkage.h>
#include <linux/types.h>
+#include <linux/compat.h>
struct rtas_args;
@@ -18,5 +19,34 @@ asmlinkage long sys_mmap2(unsigned long addr, size_t len,
asmlinkage long ppc64_personality(unsigned long personality);
asmlinkage long sys_rtas(struct rtas_args __user *uargs);
+#ifdef CONFIG_COMPAT
+unsigned long compat_sys_mmap2(unsigned long addr, size_t len,
+ unsigned long prot, unsigned long flags,
+ unsigned long fd, unsigned long pgoff);
+
+compat_ssize_t compat_sys_pread64(unsigned int fd, char __user *ubuf, compat_size_t count,
+ u32 reg6, u32 pos1, u32 pos2);
+
+compat_ssize_t compat_sys_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count,
+ u32 reg6, u32 pos1, u32 pos2);
+
+compat_ssize_t compat_sys_readahead(int fd, u32 r4, u32 offset1, u32 offset2, u32 count);
+
+int compat_sys_truncate64(const char __user *path, u32 reg4,
+ unsigned long len1, unsigned long len2);
+
+long compat_sys_fallocate(int fd, int mode, u32 offset1, u32 offset2, u32 len1, u32 len2);
+
+int compat_sys_ftruncate64(unsigned int fd, u32 reg4, unsigned long len1,
+ unsigned long len2);
+
+long ppc32_fadvise64(int fd, u32 unused, u32 offset1, u32 offset2,
+ size_t len, int advice);
+
+long compat_sys_sync_file_range2(int fd, unsigned int flags,
+ unsigned int offset1, unsigned int offset2,
+ unsigned int nbytes1, unsigned int nbytes2);
+#endif
+
#endif /* __KERNEL__ */
#endif /* __ASM_POWERPC_SYSCALLS_H */
diff --git a/arch/powerpc/include/asm/tce.h b/arch/powerpc/include/asm/tce.h
index db5fc2f2262d..0c34d2756d92 100644
--- a/arch/powerpc/include/asm/tce.h
+++ b/arch/powerpc/include/asm/tce.h
@@ -19,15 +19,7 @@
#define TCE_VB 0
#define TCE_PCI 1
-/* TCE page size is 4096 bytes (1 << 12) */
-
-#define TCE_SHIFT 12
-#define TCE_PAGE_SIZE (1 << TCE_SHIFT)
-
#define TCE_ENTRY_SIZE 8 /* each TCE is 64 bits */
-
-#define TCE_RPN_MASK 0xfffffffffful /* 40-bit RPN (4K pages) */
-#define TCE_RPN_SHIFT 12
#define TCE_VALID 0x800 /* TCE valid */
#define TCE_ALLIO 0x400 /* TCE valid for all lpars */
#define TCE_PCI_WRITE 0x2 /* write from PCI allowed */
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index e4db64c0e184..36fcafb1fd6d 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -36,7 +36,7 @@ static inline int pcibus_to_node(struct pci_bus *bus)
cpu_all_mask : \
cpumask_of_node(pcibus_to_node(bus)))
-extern int cpu_distance(__be32 *cpu1_assoc, __be32 *cpu2_assoc);
+int cpu_relative_distance(__be32 *cpu1_assoc, __be32 *cpu2_assoc);
extern int __node_distance(int, int);
#define node_distance(a, b) __node_distance(a, b)
@@ -64,6 +64,12 @@ static inline int early_cpu_to_node(int cpu)
}
int of_drconf_to_nid_single(struct drmem_lmb *lmb);
+void update_numa_distance(struct device_node *node);
+
+extern void map_cpu_to_node(int cpu, int node);
+#ifdef CONFIG_HOTPLUG_CPU
+extern void unmap_cpu_from_node(unsigned long cpu);
+#endif /* CONFIG_HOTPLUG_CPU */
#else
@@ -83,7 +89,7 @@ static inline void sysfs_remove_device_from_node(struct device *dev,
static inline void update_numa_cpu_lookup_table(unsigned int cpu, int node) {}
-static inline int cpu_distance(__be32 *cpu1_assoc, __be32 *cpu2_assoc)
+static inline int cpu_relative_distance(__be32 *cpu1_assoc, __be32 *cpu2_assoc)
{
return 0;
}
@@ -93,6 +99,15 @@ static inline int of_drconf_to_nid_single(struct drmem_lmb *lmb)
return first_online_node;
}
+static inline void update_numa_distance(struct device_node *node) {}
+
+#ifdef CONFIG_SMP
+static inline void map_cpu_to_node(int cpu, int node) {}
+#ifdef CONFIG_HOTPLUG_CPU
+static inline void unmap_cpu_from_node(unsigned long cpu) {}
+#endif /* CONFIG_HOTPLUG_CPU */
+#endif /* CONFIG_SMP */
+
#endif /* CONFIG_NUMA */
#if defined(CONFIG_NUMA) && defined(CONFIG_PPC_SPLPAR)
diff --git a/arch/powerpc/include/asm/unistd.h b/arch/powerpc/include/asm/unistd.h
index b541c690a31c..5eb462af6766 100644
--- a/arch/powerpc/include/asm/unistd.h
+++ b/arch/powerpc/include/asm/unistd.h
@@ -9,8 +9,6 @@
#define NR_syscalls __NR_syscalls
-#define __NR__exit __NR_exit
-
#ifndef __ASSEMBLY__
#include <linux/types.h>
diff --git a/arch/powerpc/include/asm/vdso/processor.h b/arch/powerpc/include/asm/vdso/processor.h
index e072577bc7c0..8d79f994b4aa 100644
--- a/arch/powerpc/include/asm/vdso/processor.h
+++ b/arch/powerpc/include/asm/vdso/processor.h
@@ -5,12 +5,21 @@
#ifndef __ASSEMBLY__
/* Macros for adjusting thread priority (hardware multi-threading) */
+#ifdef CONFIG_PPC64
#define HMT_very_low() asm volatile("or 31, 31, 31 # very low priority")
#define HMT_low() asm volatile("or 1, 1, 1 # low priority")
#define HMT_medium_low() asm volatile("or 6, 6, 6 # medium low priority")
#define HMT_medium() asm volatile("or 2, 2, 2 # medium priority")
#define HMT_medium_high() asm volatile("or 5, 5, 5 # medium high priority")
#define HMT_high() asm volatile("or 3, 3, 3 # high priority")
+#else
+#define HMT_very_low()
+#define HMT_low()
+#define HMT_medium_low()
+#define HMT_medium()
+#define HMT_medium_high()
+#define HMT_high()
+#endif
#ifdef CONFIG_PPC64
#define cpu_relax() do { HMT_low(); HMT_medium(); barrier(); } while (0)
diff --git a/arch/powerpc/include/asm/xics.h b/arch/powerpc/include/asm/xics.h
index d9cf192368ad..0ac9bfddf704 100644
--- a/arch/powerpc/include/asm/xics.h
+++ b/arch/powerpc/include/asm/xics.h
@@ -89,10 +89,11 @@ static inline int ics_opal_init(void) { return -ENODEV; }
/* ICS instance, hooked up to chip_data of an irq */
struct ics {
struct list_head link;
- int (*map)(struct ics *ics, unsigned int virq);
+ int (*check)(struct ics *ics, unsigned int hwirq);
void (*mask_unknown)(struct ics *ics, unsigned long vec);
long (*get_server)(struct ics *ics, unsigned long vec);
int (*host_match)(struct ics *ics, struct device_node *node);
+ struct irq_chip *chip;
char data[];
};
diff --git a/arch/powerpc/include/asm/xive-regs.h b/arch/powerpc/include/asm/xive-regs.h
index 8b211faa0e42..cf8bb6ac4463 100644
--- a/arch/powerpc/include/asm/xive-regs.h
+++ b/arch/powerpc/include/asm/xive-regs.h
@@ -80,10 +80,13 @@
#define TM_QW0W2_VU PPC_BIT32(0)
#define TM_QW0W2_LOGIC_SERV PPC_BITMASK32(1,31) // XX 2,31 ?
#define TM_QW1W2_VO PPC_BIT32(0)
+#define TM_QW1W2_HO PPC_BIT32(1) /* P10 XIVE2 */
#define TM_QW1W2_OS_CAM PPC_BITMASK32(8,31)
#define TM_QW2W2_VP PPC_BIT32(0)
+#define TM_QW2W2_HP PPC_BIT32(1) /* P10 XIVE2 */
#define TM_QW2W2_POOL_CAM PPC_BITMASK32(8,31)
#define TM_QW3W2_VT PPC_BIT32(0)
+#define TM_QW3W2_HT PPC_BIT32(1) /* P10 XIVE2 */
#define TM_QW3W2_LP PPC_BIT32(6)
#define TM_QW3W2_LE PPC_BIT32(7)
#define TM_QW3W2_T PPC_BIT32(31)
diff --git a/arch/powerpc/include/asm/xive.h b/arch/powerpc/include/asm/xive.h
index aa094a8655b0..92930b0b5d0e 100644
--- a/arch/powerpc/include/asm/xive.h
+++ b/arch/powerpc/include/asm/xive.h
@@ -111,6 +111,7 @@ void xive_native_free_vp_block(u32 vp_base);
int xive_native_populate_irq_data(u32 hw_irq,
struct xive_irq_data *data);
void xive_cleanup_irq_data(struct xive_irq_data *xd);
+void xive_irq_free_data(unsigned int virq);
void xive_native_free_irq(u32 irq);
int xive_native_configure_irq(u32 hw_irq, u32 target, u8 prio, u32 sw_irq);
@@ -125,6 +126,7 @@ int xive_native_enable_vp(u32 vp_id, bool single_escalation);
int xive_native_disable_vp(u32 vp_id);
int xive_native_get_vp_info(u32 vp_id, u32 *out_cam_id, u32 *out_chip_id);
bool xive_native_has_single_escalation(void);
+bool xive_native_has_save_restore(void);
int xive_native_get_queue_info(u32 vp_id, uint32_t prio,
u64 *out_qpage,