Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.

1 files changed, 0 insertions, 775 deletions

diff --git a/ANDROID_3.4.5/arch/x86/kernel/cpu/mcheck/mce_amd.c b/ANDROID_3.4.5/arch/x86/kernel/cpu/mcheck/mce_amd.c
deleted file mode 100644
index 2c1d178b..00000000
--- a/ANDROID_3.4.5/arch/x86/kernel/cpu/mcheck/mce_amd.c
+++ /dev/null
@@ -1,775 +0,0 @@
-/*
- *  (c) 2005, 2006 Advanced Micro Devices, Inc.
- *  Your use of this code is subject to the terms and conditions of the
- *  GNU general public license version 2. See "COPYING" or
- *  http://www.gnu.org/licenses/gpl.html
- *
- *  Written by Jacob Shin - AMD, Inc.
- *
- *  Support : jacob.shin@amd.com
- *
- *  April 2006
- *     - added support for AMD Family 0x10 processors
- *
- *  All MC4_MISCi registers are shared between multi-cores
- */
-#include <linux/interrupt.h>
-#include <linux/notifier.h>
-#include <linux/kobject.h>
-#include <linux/percpu.h>
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/sysfs.h>
-#include <linux/slab.h>
-#include <linux/init.h>
-#include <linux/cpu.h>
-#include <linux/smp.h>
-
-#include <asm/apic.h>
-#include <asm/idle.h>
-#include <asm/mce.h>
-#include <asm/msr.h>
-
-#define NR_BANKS          6
-#define NR_BLOCKS         9
-#define THRESHOLD_MAX     0xFFF
-#define INT_TYPE_APIC     0x00020000
-#define MASK_VALID_HI     0x80000000
-#define MASK_CNTP_HI      0x40000000
-#define MASK_LOCKED_HI    0x20000000
-#define MASK_LVTOFF_HI    0x00F00000
-#define MASK_COUNT_EN_HI  0x00080000
-#define MASK_INT_TYPE_HI  0x00060000
-#define MASK_OVERFLOW_HI  0x00010000
-#define MASK_ERR_COUNT_HI 0x00000FFF
-#define MASK_BLKPTR_LO    0xFF000000
-#define MCG_XBLK_ADDR     0xC0000400
-
-struct threshold_block {
-	unsigned int		block;
-	unsigned int		bank;
-	unsigned int		cpu;
-	u32			address;
-	u16			interrupt_enable;
-	bool			interrupt_capable;
-	u16			threshold_limit;
-	struct kobject		kobj;
-	struct list_head	miscj;
-};
-
-struct threshold_bank {
-	struct kobject		*kobj;
-	struct threshold_block	*blocks;
-	cpumask_var_t		cpus;
-};
-static DEFINE_PER_CPU(struct threshold_bank * [NR_BANKS], threshold_banks);
-
-static unsigned char shared_bank[NR_BANKS] = {
-	0, 0, 0, 0, 1
-};
-
-static DEFINE_PER_CPU(unsigned char, bank_map);	/* see which banks are on */
-
-static void amd_threshold_interrupt(void);
-
-/*
- * CPU Initialization
- */
-
-struct thresh_restart {
-	struct threshold_block	*b;
-	int			reset;
-	int			set_lvt_off;
-	int			lvt_off;
-	u16			old_limit;
-};
-
-static bool lvt_interrupt_supported(unsigned int bank, u32 msr_high_bits)
-{
-	/*
-	 * bank 4 supports APIC LVT interrupts implicitly since forever.
-	 */
-	if (bank == 4)
-		return true;
-
-	/*
-	 * IntP: interrupt present; if this bit is set, the thresholding
-	 * bank can generate APIC LVT interrupts
-	 */
-	return msr_high_bits & BIT(28);
-}
-
-static int lvt_off_valid(struct threshold_block *b, int apic, u32 lo, u32 hi)
-{
-	int msr = (hi & MASK_LVTOFF_HI) >> 20;
-
-	if (apic < 0) {
-		pr_err(FW_BUG "cpu %d, failed to setup threshold interrupt "
-		       "for bank %d, block %d (MSR%08X=0x%x%08x)\n", b->cpu,
-		       b->bank, b->block, b->address, hi, lo);
-		return 0;
-	}
-
-	if (apic != msr) {
-		pr_err(FW_BUG "cpu %d, invalid threshold interrupt offset %d "
-		       "for bank %d, block %d (MSR%08X=0x%x%08x)\n",
-		       b->cpu, apic, b->bank, b->block, b->address, hi, lo);
-		return 0;
-	}
-
-	return 1;
-};
-
-/*
- * Called via smp_call_function_single(), must be called with correct
- * cpu affinity.
- */
-static void threshold_restart_bank(void *_tr)
-{
-	struct thresh_restart *tr = _tr;
-	u32 hi, lo;
-
-	rdmsr(tr->b->address, lo, hi);
-
-	if (tr->b->threshold_limit < (hi & THRESHOLD_MAX))
-		tr->reset = 1;	/* limit cannot be lower than err count */
-
-	if (tr->reset) {		/* reset err count and overflow bit */
-		hi =
-		    (hi & ~(MASK_ERR_COUNT_HI | MASK_OVERFLOW_HI)) |
-		    (THRESHOLD_MAX - tr->b->threshold_limit);
-	} else if (tr->old_limit) {	/* change limit w/o reset */
-		int new_count = (hi & THRESHOLD_MAX) +
-		    (tr->old_limit - tr->b->threshold_limit);
-
-		hi = (hi & ~MASK_ERR_COUNT_HI) |
-		    (new_count & THRESHOLD_MAX);
-	}
-
-	/* clear IntType */
-	hi &= ~MASK_INT_TYPE_HI;
-
-	if (!tr->b->interrupt_capable)
-		goto done;
-
-	if (tr->set_lvt_off) {
-		if (lvt_off_valid(tr->b, tr->lvt_off, lo, hi)) {
-			/* set new lvt offset */
-			hi &= ~MASK_LVTOFF_HI;
-			hi |= tr->lvt_off << 20;
-		}
-	}
-
-	if (tr->b->interrupt_enable)
-		hi |= INT_TYPE_APIC;
-
- done:
-
-	hi |= MASK_COUNT_EN_HI;
-	wrmsr(tr->b->address, lo, hi);
-}
-
-static void mce_threshold_block_init(struct threshold_block *b, int offset)
-{
-	struct thresh_restart tr = {
-		.b			= b,
-		.set_lvt_off		= 1,
-		.lvt_off		= offset,
-	};
-
-	b->threshold_limit		= THRESHOLD_MAX;
-	threshold_restart_bank(&tr);
-};
-
-static int setup_APIC_mce(int reserved, int new)
-{
-	if (reserved < 0 && !setup_APIC_eilvt(new, THRESHOLD_APIC_VECTOR,
-					      APIC_EILVT_MSG_FIX, 0))
-		return new;
-
-	return reserved;
-}
-
-/* cpu init entry point, called from mce.c with preempt off */
-void mce_amd_feature_init(struct cpuinfo_x86 *c)
-{
-	struct threshold_block b;
-	unsigned int cpu = smp_processor_id();
-	u32 low = 0, high = 0, address = 0;
-	unsigned int bank, block;
-	int offset = -1;
-
-	for (bank = 0; bank < NR_BANKS; ++bank) {
-		for (block = 0; block < NR_BLOCKS; ++block) {
-			if (block == 0)
-				address = MSR_IA32_MC0_MISC + bank * 4;
-			else if (block == 1) {
-				address = (low & MASK_BLKPTR_LO) >> 21;
-				if (!address)
-					break;
-
-				address += MCG_XBLK_ADDR;
-			} else
-				++address;
-
-			if (rdmsr_safe(address, &low, &high))
-				break;
-
-			if (!(high & MASK_VALID_HI))
-				continue;
-
-			if (!(high & MASK_CNTP_HI)  ||
-			     (high & MASK_LOCKED_HI))
-				continue;
-
-			if (!block)
-				per_cpu(bank_map, cpu) |= (1 << bank);
-			if (shared_bank[bank] && c->cpu_core_id)
-				break;
-
-			memset(&b, 0, sizeof(b));
-			b.cpu			= cpu;
-			b.bank			= bank;
-			b.block			= block;
-			b.address		= address;
-			b.interrupt_capable	= lvt_interrupt_supported(bank, high);
-
-			if (b.interrupt_capable) {
-				int new = (high & MASK_LVTOFF_HI) >> 20;
-				offset  = setup_APIC_mce(offset, new);
-			}
-
-			mce_threshold_block_init(&b, offset);
-			mce_threshold_vector = amd_threshold_interrupt;
-		}
-	}
-}
-
-/*
- * APIC Interrupt Handler
- */
-
-/*
- * threshold interrupt handler will service THRESHOLD_APIC_VECTOR.
- * the interrupt goes off when error_count reaches threshold_limit.
- * the handler will simply log mcelog w/ software defined bank number.
- */
-static void amd_threshold_interrupt(void)
-{
-	u32 low = 0, high = 0, address = 0;
-	unsigned int bank, block;
-	struct mce m;
-
-	mce_setup(&m);
-
-	/* assume first bank caused it */
-	for (bank = 0; bank < NR_BANKS; ++bank) {
-		if (!(per_cpu(bank_map, m.cpu) & (1 << bank)))
-			continue;
-		for (block = 0; block < NR_BLOCKS; ++block) {
-			if (block == 0) {
-				address = MSR_IA32_MC0_MISC + bank * 4;
-			} else if (block == 1) {
-				address = (low & MASK_BLKPTR_LO) >> 21;
-				if (!address)
-					break;
-				address += MCG_XBLK_ADDR;
-			} else {
-				++address;
-			}
-
-			if (rdmsr_safe(address, &low, &high))
-				break;
-
-			if (!(high & MASK_VALID_HI)) {
-				if (block)
-					continue;
-				else
-					break;
-			}
-
-			if (!(high & MASK_CNTP_HI)  ||
-			     (high & MASK_LOCKED_HI))
-				continue;
-
-			/*
-			 * Log the machine check that caused the threshold
-			 * event.
-			 */
-			machine_check_poll(MCP_TIMESTAMP,
-					&__get_cpu_var(mce_poll_banks));
-
-			if (high & MASK_OVERFLOW_HI) {
-				rdmsrl(address, m.misc);
-				rdmsrl(MSR_IA32_MC0_STATUS + bank * 4,
-				       m.status);
-				m.bank = K8_MCE_THRESHOLD_BASE
-				       + bank * NR_BLOCKS
-				       + block;
-				mce_log(&m);
-				return;
-			}
-		}
-	}
-}
-
-/*
- * Sysfs Interface
- */
-
-struct threshold_attr {
-	struct attribute attr;
-	ssize_t (*show) (struct threshold_block *, char *);
-	ssize_t (*store) (struct threshold_block *, const char *, size_t count);
-};
-
-#define SHOW_FIELDS(name)						\
-static ssize_t show_ ## name(struct threshold_block *b, char *buf)	\
-{									\
-	return sprintf(buf, "%lx\n", (unsigned long) b->name);		\
-}
-SHOW_FIELDS(interrupt_enable)
-SHOW_FIELDS(threshold_limit)
-
-static ssize_t
-store_interrupt_enable(struct threshold_block *b, const char *buf, size_t size)
-{
-	struct thresh_restart tr;
-	unsigned long new;
-
-	if (!b->interrupt_capable)
-		return -EINVAL;
-
-	if (strict_strtoul(buf, 0, &new) < 0)
-		return -EINVAL;
-
-	b->interrupt_enable = !!new;
-
-	memset(&tr, 0, sizeof(tr));
-	tr.b		= b;
-
-	smp_call_function_single(b->cpu, threshold_restart_bank, &tr, 1);
-
-	return size;
-}
-
-static ssize_t
-store_threshold_limit(struct threshold_block *b, const char *buf, size_t size)
-{
-	struct thresh_restart tr;
-	unsigned long new;
-
-	if (strict_strtoul(buf, 0, &new) < 0)
-		return -EINVAL;
-
-	if (new > THRESHOLD_MAX)
-		new = THRESHOLD_MAX;
-	if (new < 1)
-		new = 1;
-
-	memset(&tr, 0, sizeof(tr));
-	tr.old_limit = b->threshold_limit;
-	b->threshold_limit = new;
-	tr.b = b;
-
-	smp_call_function_single(b->cpu, threshold_restart_bank, &tr, 1);
-
-	return size;
-}
-
-struct threshold_block_cross_cpu {
-	struct threshold_block	*tb;
-	long			retval;
-};
-
-static void local_error_count_handler(void *_tbcc)
-{
-	struct threshold_block_cross_cpu *tbcc = _tbcc;
-	struct threshold_block *b = tbcc->tb;
-	u32 low, high;
-
-	rdmsr(b->address, low, high);
-	tbcc->retval = (high & 0xFFF) - (THRESHOLD_MAX - b->threshold_limit);
-}
-
-static ssize_t show_error_count(struct threshold_block *b, char *buf)
-{
-	struct threshold_block_cross_cpu tbcc = { .tb = b, };
-
-	smp_call_function_single(b->cpu, local_error_count_handler, &tbcc, 1);
-	return sprintf(buf, "%lx\n", tbcc.retval);
-}
-
-static ssize_t store_error_count(struct threshold_block *b,
-				 const char *buf, size_t count)
-{
-	struct thresh_restart tr = { .b = b, .reset = 1, .old_limit = 0 };
-
-	smp_call_function_single(b->cpu, threshold_restart_bank, &tr, 1);
-	return 1;
-}
-
-#define RW_ATTR(val)							\
-static struct threshold_attr val = {					\
-	.attr	= {.name = __stringify(val), .mode = 0644 },		\
-	.show	= show_## val,						\
-	.store	= store_## val,						\
-};
-
-RW_ATTR(interrupt_enable);
-RW_ATTR(threshold_limit);
-RW_ATTR(error_count);
-
-static struct attribute *default_attrs[] = {
-	&interrupt_enable.attr,
-	&threshold_limit.attr,
-	&error_count.attr,
-	NULL
-};
-
-#define to_block(k)	container_of(k, struct threshold_block, kobj)
-#define to_attr(a)	container_of(a, struct threshold_attr, attr)
-
-static ssize_t show(struct kobject *kobj, struct attribute *attr, char *buf)
-{
-	struct threshold_block *b = to_block(kobj);
-	struct threshold_attr *a = to_attr(attr);
-	ssize_t ret;
-
-	ret = a->show ? a->show(b, buf) : -EIO;
-
-	return ret;
-}
-
-static ssize_t store(struct kobject *kobj, struct attribute *attr,
-		     const char *buf, size_t count)
-{
-	struct threshold_block *b = to_block(kobj);
-	struct threshold_attr *a = to_attr(attr);
-	ssize_t ret;
-
-	ret = a->store ? a->store(b, buf, count) : -EIO;
-
-	return ret;
-}
-
-static const struct sysfs_ops threshold_ops = {
-	.show			= show,
-	.store			= store,
-};
-
-static struct kobj_type threshold_ktype = {
-	.sysfs_ops		= &threshold_ops,
-	.default_attrs		= default_attrs,
-};
-
-static __cpuinit int allocate_threshold_blocks(unsigned int cpu,
-					       unsigned int bank,
-					       unsigned int block,
-					       u32 address)
-{
-	struct threshold_block *b = NULL;
-	u32 low, high;
-	int err;
-
-	if ((bank >= NR_BANKS) || (block >= NR_BLOCKS))
-		return 0;
-
-	if (rdmsr_safe_on_cpu(cpu, address, &low, &high))
-		return 0;
-
-	if (!(high & MASK_VALID_HI)) {
-		if (block)
-			goto recurse;
-		else
-			return 0;
-	}
-
-	if (!(high & MASK_CNTP_HI)  ||
-	     (high & MASK_LOCKED_HI))
-		goto recurse;
-
-	b = kzalloc(sizeof(struct threshold_block), GFP_KERNEL);
-	if (!b)
-		return -ENOMEM;
-
-	b->block		= block;
-	b->bank			= bank;
-	b->cpu			= cpu;
-	b->address		= address;
-	b->interrupt_enable	= 0;
-	b->interrupt_capable	= lvt_interrupt_supported(bank, high);
-	b->threshold_limit	= THRESHOLD_MAX;
-
-	INIT_LIST_HEAD(&b->miscj);
-
-	if (per_cpu(threshold_banks, cpu)[bank]->blocks) {
-		list_add(&b->miscj,
-			 &per_cpu(threshold_banks, cpu)[bank]->blocks->miscj);
-	} else {
-		per_cpu(threshold_banks, cpu)[bank]->blocks = b;
-	}
-
-	err = kobject_init_and_add(&b->kobj, &threshold_ktype,
-				   per_cpu(threshold_banks, cpu)[bank]->kobj,
-				   "misc%i", block);
-	if (err)
-		goto out_free;
-recurse:
-	if (!block) {
-		address = (low & MASK_BLKPTR_LO) >> 21;
-		if (!address)
-			return 0;
-		address += MCG_XBLK_ADDR;
-	} else {
-		++address;
-	}
-
-	err = allocate_threshold_blocks(cpu, bank, ++block, address);
-	if (err)
-		goto out_free;
-
-	if (b)
-		kobject_uevent(&b->kobj, KOBJ_ADD);
-
-	return err;
-
-out_free:
-	if (b) {
-		kobject_put(&b->kobj);
-		list_del(&b->miscj);
-		kfree(b);
-	}
-	return err;
-}
-
-static __cpuinit long
-local_allocate_threshold_blocks(int cpu, unsigned int bank)
-{
-	return allocate_threshold_blocks(cpu, bank, 0,
-					 MSR_IA32_MC0_MISC + bank * 4);
-}
-
-/* symlinks sibling shared banks to first core.  first core owns dir/files. */
-static __cpuinit int threshold_create_bank(unsigned int cpu, unsigned int bank)
-{
-	int i, err = 0;
-	struct threshold_bank *b = NULL;
-	struct device *dev = per_cpu(mce_device, cpu);
-	char name[32];
-
-	sprintf(name, "threshold_bank%i", bank);
-
-#ifdef CONFIG_SMP
-	if (cpu_data(cpu).cpu_core_id && shared_bank[bank]) {	/* symlink */
-		i = cpumask_first(cpu_llc_shared_mask(cpu));
-
-		/* first core not up yet */
-		if (cpu_data(i).cpu_core_id)
-			goto out;
-
-		/* already linked */
-		if (per_cpu(threshold_banks, cpu)[bank])
-			goto out;
-
-		b = per_cpu(threshold_banks, i)[bank];
-
-		if (!b)
-			goto out;
-
-		err = sysfs_create_link(&dev->kobj, b->kobj, name);
-		if (err)
-			goto out;
-
-		cpumask_copy(b->cpus, cpu_llc_shared_mask(cpu));
-		per_cpu(threshold_banks, cpu)[bank] = b;
-
-		goto out;
-	}
-#endif
-
-	b = kzalloc(sizeof(struct threshold_bank), GFP_KERNEL);
-	if (!b) {
-		err = -ENOMEM;
-		goto out;
-	}
-	if (!zalloc_cpumask_var(&b->cpus, GFP_KERNEL)) {
-		kfree(b);
-		err = -ENOMEM;
-		goto out;
-	}
-
-	b->kobj = kobject_create_and_add(name, &dev->kobj);
-	if (!b->kobj)
-		goto out_free;
-
-#ifndef CONFIG_SMP
-	cpumask_setall(b->cpus);
-#else
-	cpumask_set_cpu(cpu, b->cpus);
-#endif
-
-	per_cpu(threshold_banks, cpu)[bank] = b;
-
-	err = local_allocate_threshold_blocks(cpu, bank);
-	if (err)
-		goto out_free;
-
-	for_each_cpu(i, b->cpus) {
-		if (i == cpu)
-			continue;
-
-		dev = per_cpu(mce_device, i);
-		if (dev)
-			err = sysfs_create_link(&dev->kobj,b->kobj, name);
-		if (err)
-			goto out;
-
-		per_cpu(threshold_banks, i)[bank] = b;
-	}
-
-	goto out;
-
-out_free:
-	per_cpu(threshold_banks, cpu)[bank] = NULL;
-	free_cpumask_var(b->cpus);
-	kfree(b);
-out:
-	return err;
-}
-
-/* create dir/files for all valid threshold banks */
-static __cpuinit int threshold_create_device(unsigned int cpu)
-{
-	unsigned int bank;
-	int err = 0;
-
-	for (bank = 0; bank < NR_BANKS; ++bank) {
-		if (!(per_cpu(bank_map, cpu) & (1 << bank)))
-			continue;
-		err = threshold_create_bank(cpu, bank);
-		if (err)
-			return err;
-	}
-
-	return err;
-}
-
-/*
- * let's be hotplug friendly.
- * in case of multiple core processors, the first core always takes ownership
- *   of shared sysfs dir/files, and rest of the cores will be symlinked to it.
- */
-
-static void deallocate_threshold_block(unsigned int cpu,
-						 unsigned int bank)
-{
-	struct threshold_block *pos = NULL;
-	struct threshold_block *tmp = NULL;
-	struct threshold_bank *head = per_cpu(threshold_banks, cpu)[bank];
-
-	if (!head)
-		return;
-
-	list_for_each_entry_safe(pos, tmp, &head->blocks->miscj, miscj) {
-		kobject_put(&pos->kobj);
-		list_del(&pos->miscj);
-		kfree(pos);
-	}
-
-	kfree(per_cpu(threshold_banks, cpu)[bank]->blocks);
-	per_cpu(threshold_banks, cpu)[bank]->blocks = NULL;
-}
-
-static void threshold_remove_bank(unsigned int cpu, int bank)
-{
-	struct threshold_bank *b;
-	struct device *dev;
-	char name[32];
-	int i = 0;
-
-	b = per_cpu(threshold_banks, cpu)[bank];
-	if (!b)
-		return;
-	if (!b->blocks)
-		goto free_out;
-
-	sprintf(name, "threshold_bank%i", bank);
-
-#ifdef CONFIG_SMP
-	/* sibling symlink */
-	if (shared_bank[bank] && b->blocks->cpu != cpu) {
-		dev = per_cpu(mce_device, cpu);
-		sysfs_remove_link(&dev->kobj, name);
-		per_cpu(threshold_banks, cpu)[bank] = NULL;
-
-		return;
-	}
-#endif
-
-	/* remove all sibling symlinks before unregistering */
-	for_each_cpu(i, b->cpus) {
-		if (i == cpu)
-			continue;
-
-		dev = per_cpu(mce_device, i);
-		if (dev)
-			sysfs_remove_link(&dev->kobj, name);
-		per_cpu(threshold_banks, i)[bank] = NULL;
-	}
-
-	deallocate_threshold_block(cpu, bank);
-
-free_out:
-	kobject_del(b->kobj);
-	kobject_put(b->kobj);
-	free_cpumask_var(b->cpus);
-	kfree(b);
-	per_cpu(threshold_banks, cpu)[bank] = NULL;
-}
-
-static void threshold_remove_device(unsigned int cpu)
-{
-	unsigned int bank;
-
-	for (bank = 0; bank < NR_BANKS; ++bank) {
-		if (!(per_cpu(bank_map, cpu) & (1 << bank)))
-			continue;
-		threshold_remove_bank(cpu, bank);
-	}
-}
-
-/* get notified when a cpu comes on/off */
-static void __cpuinit
-amd_64_threshold_cpu_callback(unsigned long action, unsigned int cpu)
-{
-	switch (action) {
-	case CPU_ONLINE:
-	case CPU_ONLINE_FROZEN:
-		threshold_create_device(cpu);
-		break;
-	case CPU_DEAD:
-	case CPU_DEAD_FROZEN:
-		threshold_remove_device(cpu);
-		break;
-	default:
-		break;
-	}
-}
-
-static __init int threshold_init_device(void)
-{
-	unsigned lcpu = 0;
-
-	/* to hit CPUs online before the notifier is up */
-	for_each_online_cpu(lcpu) {
-		int err = threshold_create_device(lcpu);
-
-		if (err)
-			return err;
-	}
-	threshold_cpu_callback = amd_64_threshold_cpu_callback;
-
-	return 0;
-}
-device_initcall(threshold_init_device);