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-rw-r--r--arch/powerpc/include/asm/compat.h5
-rw-r--r--arch/powerpc/include/asm/eeh.h21
-rw-r--r--arch/powerpc/include/asm/hugetlb.h2
-rw-r--r--arch/powerpc/include/asm/opal.h4
-rw-r--r--arch/powerpc/include/asm/pgtable-ppc64.h26
-rw-r--r--arch/powerpc/include/asm/pgtable.h22
-rw-r--r--arch/powerpc/include/asm/ptrace.h16
-rw-r--r--arch/powerpc/include/asm/vdso.h6
-rw-r--r--arch/powerpc/kernel/crash_dump.c8
-rw-r--r--arch/powerpc/kernel/eeh.c32
-rw-r--r--arch/powerpc/kernel/ftrace.c1
-rw-r--r--arch/powerpc/kernel/misc_32.S5
-rw-r--r--arch/powerpc/kernel/signal_64.c4
-rw-r--r--arch/powerpc/kernel/vdso32/vdso32_wrapper.S2
-rw-r--r--arch/powerpc/kernel/vdso64/vdso64_wrapper.S2
-rw-r--r--arch/powerpc/mm/pgtable_64.c12
-rw-r--r--arch/powerpc/mm/subpage-prot.c2
-rw-r--r--arch/powerpc/platforms/powernv/eeh-ioda.c128
-rw-r--r--arch/powerpc/platforms/powernv/eeh-powernv.c2
-rw-r--r--arch/powerpc/platforms/powernv/opal-xscom.c21
-rw-r--r--arch/powerpc/platforms/powernv/pci.c220
-rw-r--r--arch/powerpc/platforms/pseries/eeh_pseries.c2
-rw-r--r--arch/powerpc/platforms/pseries/hotplug-cpu.c22
-rw-r--r--arch/powerpc/platforms/pseries/pci.c22
24 files changed, 342 insertions, 245 deletions
diff --git a/arch/powerpc/include/asm/compat.h b/arch/powerpc/include/asm/compat.h
index 84fdf6857c3..a613d2c82fd 100644
--- a/arch/powerpc/include/asm/compat.h
+++ b/arch/powerpc/include/asm/compat.h
@@ -200,10 +200,11 @@ static inline void __user *arch_compat_alloc_user_space(long len)
/*
* We can't access below the stack pointer in the 32bit ABI and
- * can access 288 bytes in the 64bit ABI
+ * 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 -= 288;
+ usp -= USER_REDZONE_SIZE;
return (void __user *) (usp - len);
}
diff --git a/arch/powerpc/include/asm/eeh.h b/arch/powerpc/include/asm/eeh.h
index 9e39ceb1d19..d4dd41fb951 100644
--- a/arch/powerpc/include/asm/eeh.h
+++ b/arch/powerpc/include/asm/eeh.h
@@ -172,10 +172,20 @@ struct eeh_ops {
};
extern struct eeh_ops *eeh_ops;
-extern int eeh_subsystem_enabled;
+extern bool eeh_subsystem_enabled;
extern raw_spinlock_t confirm_error_lock;
extern int eeh_probe_mode;
+static inline bool eeh_enabled(void)
+{
+ return eeh_subsystem_enabled;
+}
+
+static inline void eeh_set_enable(bool mode)
+{
+ eeh_subsystem_enabled = mode;
+}
+
#define EEH_PROBE_MODE_DEV (1<<0) /* From PCI device */
#define EEH_PROBE_MODE_DEVTREE (1<<1) /* From device tree */
@@ -246,7 +256,7 @@ void eeh_remove_device(struct pci_dev *);
* If this macro yields TRUE, the caller relays to eeh_check_failure()
* which does further tests out of line.
*/
-#define EEH_POSSIBLE_ERROR(val, type) ((val) == (type)~0 && eeh_subsystem_enabled)
+#define EEH_POSSIBLE_ERROR(val, type) ((val) == (type)~0 && eeh_enabled())
/*
* Reads from a device which has been isolated by EEH will return
@@ -257,6 +267,13 @@ void eeh_remove_device(struct pci_dev *);
#else /* !CONFIG_EEH */
+static inline bool eeh_enabled(void)
+{
+ return false;
+}
+
+static inline void eeh_set_enable(bool mode) { }
+
static inline int eeh_init(void)
{
return 0;
diff --git a/arch/powerpc/include/asm/hugetlb.h b/arch/powerpc/include/asm/hugetlb.h
index d750336b171..623f2971ce0 100644
--- a/arch/powerpc/include/asm/hugetlb.h
+++ b/arch/powerpc/include/asm/hugetlb.h
@@ -127,7 +127,7 @@ static inline pte_t huge_ptep_get_and_clear(struct mm_struct *mm,
unsigned long addr, pte_t *ptep)
{
#ifdef CONFIG_PPC64
- return __pte(pte_update(mm, addr, ptep, ~0UL, 1));
+ return __pte(pte_update(mm, addr, ptep, ~0UL, 0, 1));
#else
return __pte(pte_update(ptep, ~0UL, 0));
#endif
diff --git a/arch/powerpc/include/asm/opal.h b/arch/powerpc/include/asm/opal.h
index 40157e2ca69..ed82142a325 100644
--- a/arch/powerpc/include/asm/opal.h
+++ b/arch/powerpc/include/asm/opal.h
@@ -816,8 +816,8 @@ int64_t opal_pci_next_error(uint64_t phb_id, uint64_t *first_frozen_pe,
int64_t opal_pci_poll(uint64_t phb_id);
int64_t opal_return_cpu(void);
-int64_t opal_xscom_read(uint32_t gcid, uint32_t pcb_addr, __be64 *val);
-int64_t opal_xscom_write(uint32_t gcid, uint32_t pcb_addr, uint64_t val);
+int64_t opal_xscom_read(uint32_t gcid, uint64_t pcb_addr, __be64 *val);
+int64_t opal_xscom_write(uint32_t gcid, uint64_t pcb_addr, uint64_t val);
int64_t opal_lpc_write(uint32_t chip_id, enum OpalLPCAddressType addr_type,
uint32_t addr, uint32_t data, uint32_t sz);
diff --git a/arch/powerpc/include/asm/pgtable-ppc64.h b/arch/powerpc/include/asm/pgtable-ppc64.h
index bc141c950b1..eb9261024f5 100644
--- a/arch/powerpc/include/asm/pgtable-ppc64.h
+++ b/arch/powerpc/include/asm/pgtable-ppc64.h
@@ -195,6 +195,7 @@ extern void hpte_need_flush(struct mm_struct *mm, unsigned long addr,
static inline unsigned long pte_update(struct mm_struct *mm,
unsigned long addr,
pte_t *ptep, unsigned long clr,
+ unsigned long set,
int huge)
{
#ifdef PTE_ATOMIC_UPDATES
@@ -205,14 +206,15 @@ static inline unsigned long pte_update(struct mm_struct *mm,
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" (ptep), "r" (clr), "m" (*ptep), "i" (_PAGE_BUSY), "r" (set)
: "cc" );
#else
unsigned long old = pte_val(*ptep);
- *ptep = __pte(old & ~clr);
+ *ptep = __pte((old & ~clr) | set);
#endif
/* huge pages use the old page table lock */
if (!huge)
@@ -231,9 +233,9 @@ static inline int __ptep_test_and_clear_young(struct mm_struct *mm,
{
unsigned long old;
- if ((pte_val(*ptep) & (_PAGE_ACCESSED | _PAGE_HASHPTE)) == 0)
+ if ((pte_val(*ptep) & (_PAGE_ACCESSED | _PAGE_HASHPTE)) == 0)
return 0;
- old = pte_update(mm, addr, ptep, _PAGE_ACCESSED, 0);
+ old = pte_update(mm, addr, ptep, _PAGE_ACCESSED, 0, 0);
return (old & _PAGE_ACCESSED) != 0;
}
#define __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
@@ -252,7 +254,7 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr,
if ((pte_val(*ptep) & _PAGE_RW) == 0)
return;
- pte_update(mm, addr, ptep, _PAGE_RW, 0);
+ pte_update(mm, addr, ptep, _PAGE_RW, 0, 0);
}
static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
@@ -261,7 +263,7 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
if ((pte_val(*ptep) & _PAGE_RW) == 0)
return;
- pte_update(mm, addr, ptep, _PAGE_RW, 1);
+ pte_update(mm, addr, ptep, _PAGE_RW, 0, 1);
}
/*
@@ -284,14 +286,14 @@ static inline void huge_ptep_set_wrprotect(struct mm_struct *mm,
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);
+ 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);
+ pte_update(mm, addr, ptep, ~0UL, 0, 0);
}
@@ -506,7 +508,9 @@ extern int pmdp_set_access_flags(struct vm_area_struct *vma,
extern unsigned long pmd_hugepage_update(struct mm_struct *mm,
unsigned long addr,
- pmd_t *pmdp, unsigned long clr);
+ 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)
@@ -515,7 +519,7 @@ static inline int __pmdp_test_and_clear_young(struct mm_struct *mm,
if ((pmd_val(*pmdp) & (_PAGE_ACCESSED | _PAGE_HASHPTE)) == 0)
return 0;
- old = pmd_hugepage_update(mm, addr, pmdp, _PAGE_ACCESSED);
+ old = pmd_hugepage_update(mm, addr, pmdp, _PAGE_ACCESSED, 0);
return ((old & _PAGE_ACCESSED) != 0);
}
@@ -542,7 +546,7 @@ static inline void pmdp_set_wrprotect(struct mm_struct *mm, unsigned long addr,
if ((pmd_val(*pmdp) & _PAGE_RW) == 0)
return;
- pmd_hugepage_update(mm, addr, pmdp, _PAGE_RW);
+ pmd_hugepage_update(mm, addr, pmdp, _PAGE_RW, 0);
}
#define __HAVE_ARCH_PMDP_SPLITTING_FLUSH
diff --git a/arch/powerpc/include/asm/pgtable.h b/arch/powerpc/include/asm/pgtable.h
index f83b6f3e1b3..3ebb188c3ff 100644
--- a/arch/powerpc/include/asm/pgtable.h
+++ b/arch/powerpc/include/asm/pgtable.h
@@ -75,12 +75,34 @@ static inline pte_t pte_mknuma(pte_t pte)
return pte;
}
+#define ptep_set_numa ptep_set_numa
+static inline void ptep_set_numa(struct mm_struct *mm, unsigned long addr,
+ pte_t *ptep)
+{
+ if ((pte_val(*ptep) & _PAGE_PRESENT) == 0)
+ VM_BUG_ON(1);
+
+ pte_update(mm, addr, ptep, _PAGE_PRESENT, _PAGE_NUMA, 0);
+ return;
+}
+
#define pmd_numa pmd_numa
static inline int pmd_numa(pmd_t pmd)
{
return pte_numa(pmd_pte(pmd));
}
+#define pmdp_set_numa pmdp_set_numa
+static inline void pmdp_set_numa(struct mm_struct *mm, unsigned long addr,
+ pmd_t *pmdp)
+{
+ if ((pmd_val(*pmdp) & _PAGE_PRESENT) == 0)
+ VM_BUG_ON(1);
+
+ pmd_hugepage_update(mm, addr, pmdp, _PAGE_PRESENT, _PAGE_NUMA);
+ return;
+}
+
#define pmd_mknonnuma pmd_mknonnuma
static inline pmd_t pmd_mknonnuma(pmd_t pmd)
{
diff --git a/arch/powerpc/include/asm/ptrace.h b/arch/powerpc/include/asm/ptrace.h
index becc08e6a65..279b80f3bb2 100644
--- a/arch/powerpc/include/asm/ptrace.h
+++ b/arch/powerpc/include/asm/ptrace.h
@@ -28,11 +28,23 @@
#ifdef __powerpc64__
+/*
+ * Size of redzone that userspace is allowed to use below the stack
+ * pointer. This is 288 in the 64-bit big-endian ELF ABI, and 512 in
+ * the new ELFv2 little-endian ABI, so we allow the larger amount.
+ *
+ * For kernel code we allow a 288-byte redzone, in order to conserve
+ * kernel stack space; gcc currently only uses 288 bytes, and will
+ * hopefully allow explicit control of the redzone size in future.
+ */
+#define USER_REDZONE_SIZE 512
+#define KERNEL_REDZONE_SIZE 288
+
#define STACK_FRAME_OVERHEAD 112 /* size of minimum stack frame */
#define STACK_FRAME_LR_SAVE 2 /* Location of LR in stack frame */
#define STACK_FRAME_REGS_MARKER ASM_CONST(0x7265677368657265)
#define STACK_INT_FRAME_SIZE (sizeof(struct pt_regs) + \
- STACK_FRAME_OVERHEAD + 288)
+ STACK_FRAME_OVERHEAD + KERNEL_REDZONE_SIZE)
#define STACK_FRAME_MARKER 12
/* Size of dummy stack frame allocated when calling signal handler. */
@@ -41,6 +53,8 @@
#else /* __powerpc64__ */
+#define USER_REDZONE_SIZE 0
+#define KERNEL_REDZONE_SIZE 0
#define STACK_FRAME_OVERHEAD 16 /* size of minimum stack frame */
#define STACK_FRAME_LR_SAVE 1 /* Location of LR in stack frame */
#define STACK_FRAME_REGS_MARKER ASM_CONST(0x72656773)
diff --git a/arch/powerpc/include/asm/vdso.h b/arch/powerpc/include/asm/vdso.h
index 0d9cecddf8a..c53f5f6d176 100644
--- a/arch/powerpc/include/asm/vdso.h
+++ b/arch/powerpc/include/asm/vdso.h
@@ -4,11 +4,11 @@
#ifdef __KERNEL__
/* Default link addresses for the vDSOs */
-#define VDSO32_LBASE 0x100000
-#define VDSO64_LBASE 0x100000
+#define VDSO32_LBASE 0x0
+#define VDSO64_LBASE 0x0
/* Default map addresses for 32bit vDSO */
-#define VDSO32_MBASE VDSO32_LBASE
+#define VDSO32_MBASE 0x100000
#define VDSO_VERSION_STRING LINUX_2.6.15
diff --git a/arch/powerpc/kernel/crash_dump.c b/arch/powerpc/kernel/crash_dump.c
index 11c1d069d92..7a13f378ca2 100644
--- a/arch/powerpc/kernel/crash_dump.c
+++ b/arch/powerpc/kernel/crash_dump.c
@@ -98,17 +98,19 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
size_t csize, unsigned long offset, int userbuf)
{
void *vaddr;
+ phys_addr_t paddr;
if (!csize)
return 0;
csize = min_t(size_t, csize, PAGE_SIZE);
+ paddr = pfn << PAGE_SHIFT;
- if ((min_low_pfn < pfn) && (pfn < max_pfn)) {
- vaddr = __va(pfn << PAGE_SHIFT);
+ if (memblock_is_region_memory(paddr, csize)) {
+ vaddr = __va(paddr);
csize = copy_oldmem_vaddr(vaddr, buf, csize, offset, userbuf);
} else {
- vaddr = __ioremap(pfn << PAGE_SHIFT, PAGE_SIZE, 0);
+ vaddr = __ioremap(paddr, PAGE_SIZE, 0);
csize = copy_oldmem_vaddr(vaddr, buf, csize, offset, userbuf);
iounmap(vaddr);
}
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c
index 148db72a8c4..e7b76a6bf15 100644
--- a/arch/powerpc/kernel/eeh.c
+++ b/arch/powerpc/kernel/eeh.c
@@ -28,6 +28,7 @@
#include <linux/pci.h>
#include <linux/proc_fs.h>
#include <linux/rbtree.h>
+#include <linux/reboot.h>
#include <linux/seq_file.h>
#include <linux/spinlock.h>
#include <linux/export.h>
@@ -89,7 +90,7 @@
/* Platform dependent EEH operations */
struct eeh_ops *eeh_ops = NULL;
-int eeh_subsystem_enabled;
+bool eeh_subsystem_enabled = false;
EXPORT_SYMBOL(eeh_subsystem_enabled);
/*
@@ -364,7 +365,7 @@ int eeh_dev_check_failure(struct eeh_dev *edev)
eeh_stats.total_mmio_ffs++;
- if (!eeh_subsystem_enabled)
+ if (!eeh_enabled())
return 0;
if (!edev) {
@@ -747,6 +748,17 @@ int __exit eeh_ops_unregister(const char *name)
return -EEXIST;
}
+static int eeh_reboot_notifier(struct notifier_block *nb,
+ unsigned long action, void *unused)
+{
+ eeh_set_enable(false);
+ return NOTIFY_DONE;
+}
+
+static struct notifier_block eeh_reboot_nb = {
+ .notifier_call = eeh_reboot_notifier,
+};
+
/**
* eeh_init - EEH initialization
*
@@ -778,6 +790,14 @@ int eeh_init(void)
if (machine_is(powernv) && cnt++ <= 0)
return ret;
+ /* Register reboot notifier */
+ ret = register_reboot_notifier(&eeh_reboot_nb);
+ if (ret) {
+ pr_warn("%s: Failed to register notifier (%d)\n",
+ __func__, ret);
+ return ret;
+ }
+
/* call platform initialization function */
if (!eeh_ops) {
pr_warning("%s: Platform EEH operation not found\n",
@@ -822,7 +842,7 @@ int eeh_init(void)
return ret;
}
- if (eeh_subsystem_enabled)
+ if (eeh_enabled())
pr_info("EEH: PCI Enhanced I/O Error Handling Enabled\n");
else
pr_warning("EEH: No capable adapters found\n");
@@ -897,7 +917,7 @@ void eeh_add_device_late(struct pci_dev *dev)
struct device_node *dn;
struct eeh_dev *edev;
- if (!dev || !eeh_subsystem_enabled)
+ if (!dev || !eeh_enabled())
return;
pr_debug("EEH: Adding device %s\n", pci_name(dev));
@@ -1005,7 +1025,7 @@ void eeh_remove_device(struct pci_dev *dev)
{
struct eeh_dev *edev;
- if (!dev || !eeh_subsystem_enabled)
+ if (!dev || !eeh_enabled())
return;
edev = pci_dev_to_eeh_dev(dev);
@@ -1045,7 +1065,7 @@ void eeh_remove_device(struct pci_dev *dev)
static int proc_eeh_show(struct seq_file *m, void *v)
{
- if (0 == eeh_subsystem_enabled) {
+ if (!eeh_enabled()) {
seq_printf(m, "EEH Subsystem is globally disabled\n");
seq_printf(m, "eeh_total_mmio_ffs=%llu\n", eeh_stats.total_mmio_ffs);
} else {
diff --git a/arch/powerpc/kernel/ftrace.c b/arch/powerpc/kernel/ftrace.c
index 9b27b293a92..b0ded97ee4e 100644
--- a/arch/powerpc/kernel/ftrace.c
+++ b/arch/powerpc/kernel/ftrace.c
@@ -74,6 +74,7 @@ ftrace_modify_code(unsigned long ip, unsigned int old, unsigned int new)
*/
static int test_24bit_addr(unsigned long ip, unsigned long addr)
{
+ addr = ppc_function_entry((void *)addr);
/* use the create_branch to verify that this offset can be branched */
return create_branch((unsigned int *)ip, addr, 0);
diff --git a/arch/powerpc/kernel/misc_32.S b/arch/powerpc/kernel/misc_32.S
index 879f09620f8..7c6bb4b17b4 100644
--- a/arch/powerpc/kernel/misc_32.S
+++ b/arch/powerpc/kernel/misc_32.S
@@ -57,11 +57,14 @@ _GLOBAL(call_do_softirq)
mtlr r0
blr
+/*
+ * void call_do_irq(struct pt_regs *regs, struct thread_info *irqtp);
+ */
_GLOBAL(call_do_irq)
mflr r0
stw r0,4(r1)
lwz r10,THREAD+KSP_LIMIT(r2)
- addi r11,r3,THREAD_INFO_GAP
+ addi r11,r4,THREAD_INFO_GAP
stwu r1,THREAD_SIZE-STACK_FRAME_OVERHEAD(r4)
mr r1,r4
stw r10,8(r1)
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index e35bf773df7..8d253c29649 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -65,8 +65,8 @@ struct rt_sigframe {
struct siginfo __user *pinfo;
void __user *puc;
struct siginfo info;
- /* 64 bit ABI allows for 288 bytes below sp before decrementing it. */
- char abigap[288];
+ /* New 64 bit little-endian ABI allows redzone of 512 bytes below sp */
+ char abigap[USER_REDZONE_SIZE];
} __attribute__ ((aligned (16)));
static const char fmt32[] = KERN_INFO \
diff --git a/arch/powerpc/kernel/vdso32/vdso32_wrapper.S b/arch/powerpc/kernel/vdso32/vdso32_wrapper.S
index 79683d0393f..6ac107ac402 100644
--- a/arch/powerpc/kernel/vdso32/vdso32_wrapper.S
+++ b/arch/powerpc/kernel/vdso32/vdso32_wrapper.S
@@ -6,7 +6,7 @@
.globl vdso32_start, vdso32_end
.balign PAGE_SIZE
vdso32_start:
- .incbin "arch/powerpc/kernel/vdso32/vdso32.so"
+ .incbin "arch/powerpc/kernel/vdso32/vdso32.so.dbg"
.balign PAGE_SIZE
vdso32_end:
diff --git a/arch/powerpc/kernel/vdso64/vdso64_wrapper.S b/arch/powerpc/kernel/vdso64/vdso64_wrapper.S
index 8df9e246300..df60fca6a13 100644
--- a/arch/powerpc/kernel/vdso64/vdso64_wrapper.S
+++ b/arch/powerpc/kernel/vdso64/vdso64_wrapper.S
@@ -6,7 +6,7 @@
.globl vdso64_start, vdso64_end
.balign PAGE_SIZE
vdso64_start:
- .incbin "arch/powerpc/kernel/vdso64/vdso64.so"
+ .incbin "arch/powerpc/kernel/vdso64/vdso64.so.dbg"
.balign PAGE_SIZE
vdso64_end:
diff --git a/arch/powerpc/mm/pgtable_64.c b/arch/powerpc/mm/pgtable_64.c
index 65b7b65e870..62bf5e8e78d 100644
--- a/arch/powerpc/mm/pgtable_64.c
+++ b/arch/powerpc/mm/pgtable_64.c
@@ -510,7 +510,8 @@ int pmdp_set_access_flags(struct vm_area_struct *vma, unsigned long address,
}
unsigned long pmd_hugepage_update(struct mm_struct *mm, unsigned long addr,
- pmd_t *pmdp, unsigned long clr)
+ pmd_t *pmdp, unsigned long clr,
+ unsigned long set)
{
unsigned long old, tmp;
@@ -526,14 +527,15 @@ unsigned long pmd_hugepage_update(struct mm_struct *mm, unsigned long addr,
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" (*pmdp)
- : "r" (pmdp), "r" (clr), "m" (*pmdp), "i" (_PAGE_BUSY)
+ : "r" (pmdp), "r" (clr), "m" (*pmdp), "i" (_PAGE_BUSY), "r" (set)
: "cc" );
#else
old = pmd_val(*pmdp);
- *pmdp = __pmd(old & ~clr);
+ *pmdp = __pmd((old & ~clr) | set);
#endif
if (old & _PAGE_HASHPTE)
hpte_do_hugepage_flush(mm, addr, pmdp);
@@ -708,7 +710,7 @@ void set_pmd_at(struct mm_struct *mm, unsigned long addr,
void pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
pmd_t *pmdp)
{
- pmd_hugepage_update(vma->vm_mm, address, pmdp, _PAGE_PRESENT);
+ pmd_hugepage_update(vma->vm_mm, address, pmdp, _PAGE_PRESENT, 0);
}
/*
@@ -835,7 +837,7 @@ pmd_t pmdp_get_and_clear(struct mm_struct *mm,
unsigned long old;
pgtable_t *pgtable_slot;
- old = pmd_hugepage_update(mm, addr, pmdp, ~0UL);
+ old = pmd_hugepage_update(mm, addr, pmdp, ~0UL, 0);
old_pmd = __pmd(old);
/*
* We have pmd == none and we are holding page_table_lock.
diff --git a/arch/powerpc/mm/subpage-prot.c b/arch/powerpc/mm/subpage-prot.c
index a770df2dae7..6c0b1f5f8d2 100644
--- a/arch/powerpc/mm/subpage-prot.c
+++ b/arch/powerpc/mm/subpage-prot.c
@@ -78,7 +78,7 @@ static void hpte_flush_range(struct mm_struct *mm, unsigned long addr,
pte = pte_offset_map_lock(mm, pmd, addr, &ptl);
arch_enter_lazy_mmu_mode();
for (; npages > 0; --npages) {
- pte_update(mm, addr, pte, 0, 0);
+ pte_update(mm, addr, pte, 0, 0, 0);
addr += PAGE_SIZE;
++pte;
}
diff --git a/arch/powerpc/platforms/powernv/eeh-ioda.c b/arch/powerpc/platforms/powernv/eeh-ioda.c
index e1e71618b70..253fefe3d1a 100644
--- a/arch/powerpc/platforms/powernv/eeh-ioda.c
+++ b/arch/powerpc/platforms/powernv/eeh-ioda.c
@@ -44,7 +44,8 @@ static int ioda_eeh_event(struct notifier_block *nb,
/* We simply send special EEH event */
if ((changed_evts & OPAL_EVENT_PCI_ERROR) &&
- (events & OPAL_EVENT_PCI_ERROR))
+ (events & OPAL_EVENT_PCI_ERROR) &&
+ eeh_enabled())
eeh_send_failure_event(NULL);
return 0;
@@ -113,6 +114,7 @@ DEFINE_SIMPLE_ATTRIBUTE(ioda_eeh_inbB_dbgfs_ops, ioda_eeh_inbB_dbgfs_get,
ioda_eeh_inbB_dbgfs_set, "0x%llx\n");
#endif /* CONFIG_DEBUG_FS */
+
/**
* ioda_eeh_post_init - Chip dependent post initialization
* @hose: PCI controller
@@ -220,6 +222,22 @@ static int ioda_eeh_set_option(struct eeh_pe *pe, int option)
return ret;
}
+static void ioda_eeh_phb_diag(struct pci_controller *hose)
+{
+ struct pnv_phb *phb = hose->private_data;
+ long rc;
+
+ rc = opal_pci_get_phb_diag_data2(phb->opal_id, phb->diag.blob,
+ PNV_PCI_DIAG_BUF_SIZE);
+ if (rc != OPAL_SUCCESS) {
+ pr_warning("%s: Failed to get diag-data for PHB#%x (%ld)\n",
+ __func__, hose->global_number, rc);
+ return;
+ }
+
+ pnv_pci_dump_phb_diag_data(hose, phb->diag.blob);
+}
+
/**
* ioda_eeh_get_state - Retrieve the state of PE
* @pe: EEH PE
@@ -271,6 +289,9 @@ static int ioda_eeh_get_state(struct eeh_pe *pe)
result |= EEH_STATE_DMA_ACTIVE;
result |= EEH_STATE_MMIO_ENABLED;
result |= EEH_STATE_DMA_ENABLED;
+ } else if (!(pe->state & EEH_PE_ISOLATED)) {
+ eeh_pe_state_mark(pe, EEH_PE_ISOLATED);
+ ioda_eeh_phb_diag(hose);
}
return result;
@@ -314,6 +335,15 @@ static int ioda_eeh_get_state(struct eeh_pe *pe)
__func__, fstate, hose->global_number, pe_no);
}
+ /* Dump PHB diag-data for frozen PE */
+ if (result != EEH_STATE_NOT_SUPPORT &&
+ (result & (EEH_STATE_MMIO_ACTIVE | EEH_STATE_DMA_ACTIVE)) !=
+ (EEH_STATE_MMIO_ACTIVE | EEH_STATE_DMA_ACTIVE) &&
+ !(pe->state & EEH_PE_ISOLATED)) {
+ eeh_pe_state_mark(pe, EEH_PE_ISOLATED);
+ ioda_eeh_phb_diag(hose);
+ }
+
return result;
}
@@ -489,8 +519,7 @@ static int ioda_eeh_bridge_reset(struct pci_controller *hose,
static int ioda_eeh_reset(struct eeh_pe *pe, int option)
{
struct pci_controller *hose = pe->phb;
- struct eeh_dev *edev;
- struct pci_dev *dev;
+ struct pci_bus *bus;
int ret;
/*
@@ -519,73 +548,17 @@ static int ioda_eeh_reset(struct eeh_pe *pe, int option)
if (pe->type & EEH_PE_PHB) {
ret = ioda_eeh_phb_reset(hose, option);
} else {
- if (pe->type & EEH_PE_DEVICE) {
- /*
- * If it's device PE, we didn't refer to the parent
- * PCI bus yet. So we have to figure it out indirectly.
- */
- edev = list_first_entry(&pe->edevs,
- struct eeh_dev, list);
- dev = eeh_dev_to_pci_dev(edev);
- dev = dev->bus->self;
- } else {
- /*
- * If it's bus PE, the parent PCI bus is already there
- * and just pick it up.
- */
- dev = pe->bus->self;
- }
-
- /*
- * Do reset based on the fact that the direct upstream bridge
- * is root bridge (port) or not.
- */
- if (dev->bus->number == 0)
+ bus = eeh_pe_bus_get(pe);
+ if (pci_is_root_bus(bus))
ret = ioda_eeh_root_reset(hose, option);
else
- ret = ioda_eeh_bridge_reset(hose, dev, option);
+ ret = ioda_eeh_bridge_reset(hose, bus->self, option);
}
return ret;
}
/**
- * ioda_eeh_get_log - Retrieve error log
- * @pe: EEH PE
- * @severity: Severity level of the log
- * @drv_log: buffer to store the log
- * @len: space of the log buffer
- *
- * The function is used to retrieve error log from P7IOC.
- */
-static int ioda_eeh_get_log(struct eeh_pe *pe, int severity,
- char *drv_log, unsigned long len)
-{
- s64 ret;
- unsigned long flags;
- struct pci_controller *hose = pe->phb;
- struct pnv_phb *phb = hose->private_data;
-
- spin_lock_irqsave(&phb->lock, flags);
-
- ret = opal_pci_get_phb_diag_data2(phb->opal_id,
- phb->diag.blob, PNV_PCI_DIAG_BUF_SIZE);
- if (ret) {
- spin_unlock_irqrestore(&phb->lock, flags);
- pr_warning("%s: Can't get log for PHB#%x-PE#%x (%lld)\n",
- __func__, hose->global_number, pe->addr, ret);
- return -EIO;
- }
-
- /* The PHB diag-data is always indicative */
- pnv_pci_dump_phb_diag_data(hose, phb->diag.blob);
-
- spin_unlock_irqrestore(&phb->lock, flags);
-
- return 0;
-}
-
-/**
* ioda_eeh_configure_bridge - Configure the PCI bridges for the indicated PE
* @pe: EEH PE
*
@@ -666,22 +639,6 @@ static void ioda_eeh_hub_diag(struct pci_controller *hose)
}
}
-static void ioda_eeh_phb_diag(struct pci_controller *hose)
-{
- struct pnv_phb *phb = hose->private_data;
- long rc;
-
- rc = opal_pci_get_phb_diag_data2(phb->opal_id, phb->diag.blob,
- PNV_PCI_DIAG_BUF_SIZE);
- if (rc != OPAL_SUCCESS) {
- pr_warning("%s: Failed to get diag-data for PHB#%x (%ld)\n",
- __func__, hose->global_number, rc);
- return;
- }
-
- pnv_pci_dump_phb_diag_data(hose, phb->diag.blob);
-}
-
static int ioda_eeh_get_phb_pe(struct pci_controller *hose,
struct eeh_pe **pe)
{
@@ -855,6 +812,20 @@ static int ioda_eeh_next_error(struct eeh_pe **pe)
}
/*
+ * EEH core will try recover from fenced PHB or
+ * frozen PE. In the time for frozen PE, EEH core
+ * enable IO path for that before collecting logs,
+ * but it ruins the site. So we have to dump the
+ * log in advance here.
+ */
+ if ((ret == EEH_NEXT_ERR_FROZEN_PE ||
+ ret == EEH_NEXT_ERR_FENCED_PHB) &&
+ !((*pe)->state & EEH_PE_ISOLATED)) {
+ eeh_pe_state_mark(*pe, EEH_PE_ISOLATED);
+ ioda_eeh_phb_diag(hose);
+ }
+
+ /*
* If we have no errors on the specific PHB or only
* informative error there, we continue poking it.
* Otherwise, we need actions to be taken by upper
@@ -872,7 +843,6 @@ struct pnv_eeh_ops ioda_eeh_ops = {
.set_option = ioda_eeh_set_option,
.get_state = ioda_eeh_get_state,
.reset = ioda_eeh_reset,
- .get_log = ioda_eeh_get_log,
.configure_bridge = ioda_eeh_configure_bridge,
.next_error = ioda_eeh_next_error
};
diff --git a/arch/powerpc/platforms/powernv/eeh-powernv.c b/arch/powerpc/platforms/powernv/eeh-powernv.c
index a79fddc5e74..a59788e83b8 100644
--- a/arch/powerpc/platforms/powernv/eeh-powernv.c
+++ b/arch/powerpc/platforms/powernv/eeh-powernv.c
@@ -145,7 +145,7 @@ static int powernv_eeh_dev_probe(struct pci_dev *dev, void *flag)
* Enable EEH explicitly so that we will do EEH check
* while accessing I/O stuff
*/
- eeh_subsystem_enabled = 1;
+ eeh_set_enable(true);
/* Save memory bars */
eeh_save_bars(edev);
diff --git a/arch/powerpc/platforms/powernv/opal-xscom.c b/arch/powerpc/platforms/powernv/opal-xscom.c
index 4fbf276ac99..4cd2ea6c0db 100644
--- a/arch/powerpc/platforms/powernv/opal-xscom.c
+++ b/arch/powerpc/platforms/powernv/opal-xscom.c
@@ -71,11 +71,11 @@ static int opal_xscom_err_xlate(int64_t rc)
}
}
-static u64 opal_scom_unmangle(u64 reg)
+static u64 opal_scom_unmangle(u64 addr)
{
/*
* XSCOM indirect addresses have the top bit set. Additionally
- * the reset of the top 3 nibbles is always 0.
+ * the rest of the top 3 nibbles is always 0.
*
* Because the debugfs interface uses signed offsets and shifts
* the address left by 3, we basically cannot use the top 4 bits
@@ -86,10 +86,13 @@ static u64 opal_scom_unmangle(u64 reg)
* conversion here. To leave room for further xscom address
* expansion, we only clear out the top byte
*
+ * For in-kernel use, we also support the real indirect bit, so
+ * we test for any of the top 5 bits
+ *
*/
- if (reg & (1ull << 59))
- reg = (reg & ~(0xffull << 56)) | (1ull << 63);
- return reg;
+ if (addr & (0x1full << 59))
+ addr = (addr & ~(0xffull << 56)) | (1ull << 63);
+ return addr;
}
static int opal_scom_read(scom_map_t map, u64 reg, u64 *value)
@@ -98,8 +101,8 @@ static int opal_scom_read(scom_map_t map, u64 reg, u64 *value)
int64_t rc;
__be64 v;
- reg = opal_scom_unmangle(reg);
- rc = opal_xscom_read(m->chip, m->addr + reg, (__be64 *)__pa(&v));
+ reg = opal_scom_unmangle(m->addr + reg);
+ rc = opal_xscom_read(m->chip, reg, (__be64 *)__pa(&v));
*value = be64_to_cpu(v);
return opal_xscom_err_xlate(rc);
}
@@ -109,8 +112,8 @@ static int opal_scom_write(scom_map_t map, u64 reg, u64 value)
struct opal_scom_map *m = map;
int64_t rc;
- reg = opal_scom_unmangle(reg);
- rc = opal_xscom_write(m->chip, m->addr + reg, value);
+ reg = opal_scom_unmangle(m->addr + reg);
+ rc = opal_xscom_write(m->chip, reg, value);
return opal_xscom_err_xlate(rc);
}
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c
index 95633d79ef5..8518817dcdf 100644
--- a/arch/powerpc/platforms/powernv/pci.c
+++ b/arch/powerpc/platforms/powernv/pci.c
@@ -134,57 +134,72 @@ static void pnv_pci_dump_p7ioc_diag_data(struct pci_controller *hose,
pr_info("P7IOC PHB#%d Diag-data (Version: %d)\n\n",
hose->global_number, common->version);
- pr_info(" brdgCtl: %08x\n", data->brdgCtl);
-
- pr_info(" portStatusReg: %08x\n", data->portStatusReg);
- pr_info(" rootCmplxStatus: %08x\n", data->rootCmplxStatus);
- pr_info(" busAgentStatus: %08x\n", data->busAgentStatus);
-
- pr_info(" deviceStatus: %08x\n", data->deviceStatus);
- pr_info(" slotStatus: %08x\n", data->slotStatus);
- pr_info(" linkStatus: %08x\n", data->linkStatus);
- pr_info(" devCmdStatus: %08x\n", data->devCmdStatus);
- pr_info(" devSecStatus: %08x\n", data->devSecStatus);
-
- pr_info(" rootErrorStatus: %08x\n", data->rootErrorStatus);
- pr_info(" uncorrErrorStatus: %08x\n", data->uncorrErrorStatus);
- pr_info(" corrErrorStatus: %08x\n", data->corrErrorStatus);
- pr_info(" tlpHdr1: %08x\n", data->tlpHdr1);
- pr_info(" tlpHdr2: %08x\n", data->tlpHdr2);
- pr_info(" tlpHdr3: %08x\n", data->tlpHdr3);
- pr_info(" tlpHdr4: %08x\n", data->tlpHdr4);
- pr_info(" sourceId: %08x\n", data->sourceId);
- pr_info(" errorClass: %016llx\n", data->errorClass);
- pr_info(" correlator: %016llx\n", data->correlator);
- pr_info(" p7iocPlssr: %016llx\n", data->p7iocPlssr);
- pr_info(" p7iocCsr: %016llx\n", data->p7iocCsr);
- pr_info(" lemFir: %016llx\n", data->lemFir);
- pr_info(" lemErrorMask: %016llx\n", data->lemErrorMask);
- pr_info(" lemWOF: %016llx\n", data->lemWOF);
- pr_info(" phbErrorStatus: %016llx\n", data->phbErrorStatus);
- pr_info(" phbFirstErrorStatus: %016llx\n", data->phbFirstErrorStatus);
- pr_info(" phbErrorLog0: %016llx\n", data->phbErrorLog0);
- pr_info(" phbErrorLog1: %016llx\n", data->phbErrorLog1);
- pr_info(" mmioErrorStatus: %016llx\n", data->mmioErrorStatus);
- pr_info(" mmioFirstErrorStatus: %016llx\n", data->mmioFirstErrorStatus);
- pr_info(" mmioErrorLog0: %016llx\n", data->mmioErrorLog0);
- pr_info(" mmioErrorLog1: %016llx\n", data->mmioErrorLog1);
- pr_info(" dma0ErrorStatus: %016llx\n", data->dma0ErrorStatus);
- pr_info(" dma0FirstErrorStatus: %016llx\n", data->dma0FirstErrorStatus);
- pr_info(" dma0ErrorLog0: %016llx\n", data->dma0ErrorLog0);
- pr_info(" dma0ErrorLog1: %016llx\n", data->dma0ErrorLog1);
- pr_info(" dma1ErrorStatus: %016llx\n", data->dma1ErrorStatus);
- pr_info(" dma1FirstErrorStatus: %016llx\n", data->dma1FirstErrorStatus);
- pr_info(" dma1ErrorLog0: %016llx\n", data->dma1ErrorLog0);
- pr_info(" dma1ErrorLog1: %016llx\n", data->dma1ErrorLog1);
+ if (data->brdgCtl)
+ pr_info(" brdgCtl: %08x\n",
+ data->brdgCtl);
+ if (data->portStatusReg || data->rootCmplxStatus ||
+ data->busAgentStatus)
+ pr_info(" UtlSts: %08x %08x %08x\n",
+ data->portStatusReg, data->rootCmplxStatus,
+ data->busAgentStatus);
+ if (data->deviceStatus || data->slotStatus ||
+ data->linkStatus || data->devCmdStatus ||
+ data->devSecStatus)
+ pr_info(" RootSts: %08x %08x %08x %08x %08x\n",
+ data->deviceStatus, data->slotStatus,
+ data->linkStatus, data->devCmdStatus,
+ data->devSecStatus);
+ if (data->rootErrorStatus || data->uncorrErrorStatus ||
+ data->corrErrorStatus)
+ pr_info(" RootErrSts: %08x %08x %08x\n",
+ data->rootErrorStatus, data->uncorrErrorStatus,
+ data->corrErrorStatus);
+ if (data->tlpHdr1 || data->tlpHdr2 ||
+ data->tlpHdr3 || data->tlpHdr4)
+ pr_info(" RootErrLog: %08x %08x %08x %08x\n",
+ data->tlpHdr1, data->tlpHdr2,
+ data->tlpHdr3, data->tlpHdr4);
+ if (data->sourceId || data->errorClass ||
+ data->correlator)
+ pr_info(" RootErrLog1: %08x %016llx %016llx\n",
+ data->sourceId, data->errorClass,
+ data->correlator);
+ if (data->p7iocPlssr || data->p7iocCsr)
+ pr_info(" PhbSts: %016llx %016llx\n",
+ data->p7iocPlssr, data->p7iocCsr);
+ if (data->lemFir || data->lemErrorMask ||
+ data->lemWOF)
+ pr_info(" Lem: %016llx %016llx %016llx\n",
+ data->lemFir, data->lemErrorMask,
+ data->lemWOF);
+ if (data->phbErrorStatus || data->phbFirstErrorStatus ||
+ data->phbErrorLog0 || data->phbErrorLog1)
+ pr_info(" PhbErr: %016llx %016llx %016llx %016llx\n",
+ data->phbErrorStatus, data->phbFirstErrorStatus,
+ data->phbErrorLog0, data->phbErrorLog1);
+ if (data->mmioErrorStatus || data->mmioFirstErrorStatus ||
+ data->mmioErrorLog0 || data->mmioErrorLog1)
+ pr_info(" OutErr: %016llx %016llx %016llx %016llx\n",
+ data->mmioErrorStatus, data->mmioFirstErrorStatus,
+ data->mmioErrorLog0, data->mmioErrorLog1);
+ if (data->dma0ErrorStatus || data->dma0FirstErrorStatus ||
+ data->dma0ErrorLog0 || data->dma0ErrorLog1)
+ pr_info(" InAErr: %016llx %016llx %016llx %016llx\n",
+ data->dma0ErrorStatus, data->dma0FirstErrorStatus,
+ data->dma0ErrorLog0, data->dma0ErrorLog1);
+ if (data->dma1ErrorStatus || data->dma1FirstErrorStatus ||
+ data->dma1ErrorLog0 || data->dma1ErrorLog1)
+ pr_info(" InBErr: %016llx %016llx %016llx %016llx\n",
+ data->dma1ErrorStatus, data->dma1FirstErrorStatus,
+ data->dma1ErrorLog0, data->dma1ErrorLog1);
for (i = 0; i < OPAL_P7IOC_NUM_PEST_REGS; i++) {
if ((data->pestA[i] >> 63) == 0 &&
(data->pestB[i] >> 63) == 0)
continue;
- pr_info(" PE[%3d] PESTA: %016llx\n", i, data->pestA[i]);
- pr_info(" PESTB: %016llx\n", data->pestB[i]);
+ pr_info(" PE[%3d] A/B: %016llx %016llx\n",
+ i, data->pestA[i], data->pestB[i]);
}
}
@@ -197,62 +212,77 @@ static void pnv_pci_dump_phb3_diag_data(struct pci_controller *hose,
data = (struct OpalIoPhb3ErrorData*)common;
pr_info("PHB3 PHB#%d Diag-data (Version: %d)\n\n",
hose->global_number, common->version);
-
- pr_info(" brdgCtl: %08x\n", data->brdgCtl);
-
- pr_info(" portStatusReg: %08x\n", data->portStatusReg);
- pr_info(" rootCmplxStatus: %08x\n", data->rootCmplxStatus);
- pr_info(" busAgentStatus: %08x\n", data->busAgentStatus);
-
- pr_info(" deviceStatus: %08x\n", data->deviceStatus);
- pr_info(" slotStatus: %08x\n", data->slotStatus);
- pr_info(" linkStatus: %08x\n", data->linkStatus);
- pr_info(" devCmdStatus: %08x\n", data->devCmdStatus);
- pr_info(" devSecStatus: %08x\n", data->devSecStatus);
-
- pr_info(" rootErrorStatus: %08x\n", data->rootErrorStatus);
- pr_info(" uncorrErrorStatus: %08x\n", data->uncorrErrorStatus);
- pr_info(" corrErrorStatus: %08x\n", data->corrErrorStatus);
- pr_info(" tlpHdr1: %08x\n", data->tlpHdr1);
- pr_info(" tlpHdr2: %08x\n", data->tlpHdr2);
- pr_info(" tlpHdr3: %08x\n", data->tlpHdr3);
- pr_info(" tlpHdr4: %08x\n", data->tlpHdr4);
- pr_info(" sourceId: %08x\n", data->sourceId);
- pr_info(" errorClass: %016llx\n", data->errorClass);
- pr_info(" correlator: %016llx\n", data->correlator);
-
- pr_info(" nFir: %016llx\n", data->nFir);
- pr_info(" nFirMask: %016llx\n", data->nFirMask);
- pr_info(" nFirWOF: %016llx\n", data->nFirWOF);
- pr_info(" PhbPlssr: %016llx\n", data->phbPlssr);
- pr_info(" PhbCsr: %016llx\n", data->phbCsr);
- pr_info(" lemFir: %016llx\n", data->lemFir);
- pr_info(" lemErrorMask: %016llx\n", data->lemErrorMask);
- pr_info(" lemWOF: %016llx\n", data->lemWOF);
- pr_info(" phbErrorStatus: %016llx\n", data->phbErrorStatus);
- pr_info(" phbFirstErrorStatus: %016llx\n", data->phbFirstErrorStatus);
- pr_info(" phbErrorLog0: %016llx\n", data->phbErrorLog0);
- pr_info(" phbErrorLog1: %016llx\n", data->phbErrorLog1);
- pr_info(" mmioErrorStatus: %016llx\n", data->mmioErrorStatus);
- pr_info(" mmioFirstErrorStatus: %016llx\n", data->mmioFirstErrorStatus);
- pr_info(" mmioErrorLog0: %016llx\n", data->mmioErrorLog0);
- pr_info(" mmioErrorLog1: %016llx\n", data->mmioErrorLog1);
- pr_info(" dma0ErrorStatus: %016llx\n", data->dma0ErrorStatus);
- pr_info(" dma0FirstErrorStatus: %016llx\n", data->dma0FirstErrorStatus);
- pr_info(" dma0ErrorLog0: %016llx\n", data->dma0ErrorLog0);
- pr_info(" dma0ErrorLog1: %016llx\n", data->dma0ErrorLog1);
- pr_info(" dma1ErrorStatus: %016llx\n", data->dma1ErrorStatus);
- pr_info(" dma1FirstErrorStatus: %016llx\n", data->dma1FirstErrorStatus);
- pr_info(" dma1ErrorLog0: %016llx\n", data->dma1ErrorLog0);
- pr_info(" dma1ErrorLog1: %016llx\n", data->dma1ErrorLog1);
+ if (data->brdgCtl)
+ pr_info(" brdgCtl: %08x\n",
+ data->brdgCtl);
+ if (data->portStatusReg || data->rootCmplxStatus ||
+ data->busAgentStatus)
+ pr_info(" UtlSts: %08x %08x %08x\n",
+ data->portStatusReg, data->rootCmplxStatus,
+ data->busAgentStatus);
+ if (data->deviceStatus || data->slotStatus ||
+ data->linkStatus || data->devCmdStatus ||
+ data->devSecStatus)
+ pr_info(" RootSts: %08x %08x %08x %08x %08x\n",
+ data->deviceStatus, data->slotStatus,
+ data->linkStatus, data->devCmdStatus,
+ data->devSecStatus);
+ if (data->rootErrorStatus || data->uncorrErrorStatus ||
+ data->corrErrorStatus)
+ pr_info(" RootErrSts: %08x %08x %08x\n",
+ data->rootErrorStatus, data->uncorrErrorStatus,
+ data->corrErrorStatus);
+ if (data->tlpHdr1 || data->tlpHdr2 ||
+ data->tlpHdr3 || data->tlpHdr4)
+ pr_info(" RootErrLog: %08x %08x %08x %08x\n",
+ data->tlpHdr1, data->tlpHdr2,
+ data->tlpHdr3, data->tlpHdr4);
+ if (data->sourceId || data->errorClass ||
+ data->correlator)
+ pr_info(" RootErrLog1: %08x %016llx %016llx\n",
+ data->sourceId, data->errorClass,
+ data->correlator);
+ if (data->nFir || data->nFirMask ||
+ data->nFirWOF)
+ pr_info(" nFir: %016llx %016llx %016llx\n",
+ data->nFir, data->nFirMask,
+ data->nFirWOF);
+ if (data->phbPlssr || data->phbCsr)
+ pr_info(" PhbSts: %016llx %016llx\n",
+ data->phbPlssr, data->phbCsr);
+ if (data->lemFir || data->lemErrorMask ||
+ data->lemWOF)
+ pr_info(" Lem: %016llx %016llx %016llx\n",
+ data->lemFir, data->lemErrorMask,
+ data->lemWOF);
+ if (data->phbErrorStatus || data->phbFirstErrorStatus ||
+ data->phbErrorLog0 || data->phbErrorLog1)
+ pr_info(" PhbErr: %016llx %016llx %016llx %016llx\n",
+ data->phbErrorStatus, data->phbFirstErrorStatus,
+ data->phbErrorLog0, data->phbErrorLog1);
+ if (data->mmioErrorStatus || data->mmioFirstErrorStatus ||
+ data->mmioErrorLog0 || data->mmioErrorLog1)
+ pr_info(" OutErr: %016llx %016llx %016llx %016llx\n",
+ data->mmioErrorStatus, data->mmioFirstErrorStatus,
+ data->mmioErrorLog0, data->mmioErrorLog1);
+ if (data->dma0ErrorStatus || data->dma0FirstErrorStatus ||
+ data->dma0ErrorLog0 || data->dma0ErrorLog1)
+ pr_info(" InAErr: %016llx %016llx %016llx %016llx\n",
+ data->dma0ErrorStatus, data->dma0FirstErrorStatus,
+ data->dma0ErrorLog0, data->dma0ErrorLog1);
+ if (data->dma1ErrorStatus || data->dma1FirstErrorStatus ||
+ data->dma1ErrorLog0 || data->dma1ErrorLog1)
+ pr_info(" InBErr: %016llx %016llx %016llx %016llx\n",
+ data->dma1ErrorStatus, data->dma1FirstErrorStatus,
+ data->dma1ErrorLog0, data->dma1ErrorLog1);
for (i = 0; i < OPAL_PHB3_NUM_PEST_REGS; i++) {
if ((data->pestA[i] >> 63) == 0 &&
(data->pestB[i] >> 63) == 0)
continue;
- pr_info(" PE[%3d] PESTA: %016llx\n", i, data->pestA[i]);
- pr_info(" PESTB: %016llx\n", data->pestB[i]);
+ pr_info(" PE[%3d] A/B: %016llx %016llx\n",
+ i, data->pestA[i], data->pestB[i]);
}
}
diff --git a/arch/powerpc/platforms/pseries/eeh_pseries.c b/arch/powerpc/platforms/pseries/eeh_pseries.c
index 9ef3cc8ebc1..8a8f0472d98 100644
--- a/arch/powerpc/platforms/pseries/eeh_pseries.c
+++ b/arch/powerpc/platforms/pseries/eeh_pseries.c
@@ -265,7 +265,7 @@ static void *pseries_eeh_of_probe(struct device_node *dn, void *flag)
enable = 1;
if (enable) {
- eeh_subsystem_enabled = 1;
+ eeh_set_enable(true);
eeh_add_to_parent_pe(edev);
pr_debug("%s: EEH enabled on %s PHB#%d-PE#%x, config addr#%x\n",
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index 82789e79e53..0ea99e3d481 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -35,12 +35,7 @@
#include "offline_states.h"
/* This version can't take the spinlock, because it never returns */
-static struct rtas_args rtas_stop_self_args = {
- .token = RTAS_UNKNOWN_SERVICE,
- .nargs = 0,
- .nret = 1,
- .rets = &rtas_stop_self_args.args[0],
-};
+static int rtas_stop_self_token = RTAS_UNKNOWN_SERVICE;
static DEFINE_PER_CPU(enum cpu_state_vals, preferred_offline_state) =
CPU_STATE_OFFLINE;
@@ -93,15 +88,20 @@ void set_default_offline_state(int cpu)
static void rtas_stop_self(void)
{
- struct rtas_args *args = &rtas_stop_self_args;
+ struct rtas_args args = {
+ .token = cpu_to_be32(rtas_stop_self_token),
+ .nargs = 0,
+ .nret = 1,
+ .rets = &args.args[0],
+ };
local_irq_disable();
- BUG_ON(args->token == RTAS_UNKNOWN_SERVICE);
+ BUG_ON(rtas_stop_self_token == RTAS_UNKNOWN_SERVICE);
printk("cpu %u (hwid %u) Ready to die...\n",
smp_processor_id(), hard_smp_processor_id());
- enter_rtas(__pa(args));
+ enter_rtas(__pa(&args));
panic("Alas, I survived.\n");
}
@@ -392,10 +392,10 @@ static int __init pseries_cpu_hotplug_init(void)
}
}
- rtas_stop_self_args.token = rtas_token("stop-self");
+ rtas_stop_self_token = rtas_token("stop-self");
qcss_tok = rtas_token("query-cpu-stopped-state");
- if (rtas_stop_self_args.token == RTAS_UNKNOWN_SERVICE ||
+ if (rtas_stop_self_token == RTAS_UNKNOWN_SERVICE ||
qcss_tok == RTAS_UNKNOWN_SERVICE) {
printk(KERN_INFO "CPU Hotplug not supported by firmware "
"- disabling.\n");
diff --git a/arch/powerpc/platforms/pseries/pci.c b/arch/powerpc/platforms/pseries/pci.c
index 70670a2d9cf..c413ec158ff 100644
--- a/arch/powerpc/platforms/pseries/pci.c
+++ b/arch/powerpc/platforms/pseries/pci.c
@@ -113,7 +113,8 @@ int pseries_root_bridge_prepare(struct pci_host_bridge *bridge)
{
struct device_node *dn, *pdn;
struct pci_bus *bus;
- const __be32 *pcie_link_speed_stats;
+ u32 pcie_link_speed_stats[2];
+ int rc;
bus = bridge->bus;
@@ -122,38 +123,45 @@ int pseries_root_bridge_prepare(struct pci_host_bridge *bridge)
return 0;
for (pdn = dn; pdn != NULL; pdn = of_get_next_parent(pdn)) {
- pcie_link_speed_stats = of_get_property(pdn,
- "ibm,pcie-link-speed-stats", NULL);
- if (pcie_link_speed_stats)
+ rc = of_property_read_u32_array(pdn,
+ "ibm,pcie-link-speed-stats",
+ &pcie_link_speed_stats[0], 2);
+ if (!rc)
break;
}
of_node_put(pdn);
- if (!pcie_link_speed_stats) {
+ if (rc) {
pr_err("no ibm,pcie-link-speed-stats property\n");
return 0;
}
- switch (be32_to_cpup(pcie_link_speed_stats)) {
+ switch (pcie_link_speed_stats[0]) {
case 0x01:
bus->max_bus_speed = PCIE_SPEED_2_5GT;
break;
case 0x02:
bus->max_bus_speed = PCIE_SPEED_5_0GT;
break;
+ case 0x04:
+ bus->max_bus_speed = PCIE_SPEED_8_0GT;
+ break;
default:
bus->max_bus_speed = PCI_SPEED_UNKNOWN;
break;
}
- switch (be32_to_cpup(pcie_link_speed_stats)) {
+ switch (pcie_link_speed_stats[1]) {
case 0x01:
bus->cur_bus_speed = PCIE_SPEED_2_5GT;
break;
case 0x02:
bus->cur_bus_speed = PCIE_SPEED_5_0GT;
break;
+ case 0x04:
+ bus->cur_bus_speed = PCIE_SPEED_8_0GT;
+ break;
default:
bus->cur_bus_speed = PCI_SPEED_UNKNOWN;
break;