[deliverable/linux.git] / include / asm-powerpc / eeh.h

/*
 * eeh.h
 * Copyright (C) 2001  Dave Engebretsen & Todd Inglett IBM Corporation.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
 */

#ifndef _PPC64_EEH_H
#define _PPC64_EEH_H

#include <linux/config.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/string.h>

struct pci_dev;
struct device_node;

#ifdef CONFIG_EEH

/* Values for eeh_mode bits in device_node */
#define EEH_MODE_SUPPORTED	(1<<0)
#define EEH_MODE_NOCHECK	(1<<1)
#define EEH_MODE_ISOLATED	(1<<2)

/* Max number of EEH freezes allowed before we consider the device
 * to be permanently disabled. */
#define EEH_MAX_ALLOWED_FREEZES 5

void __init eeh_init(void);
unsigned long eeh_check_failure(const volatile void __iomem *token,
				unsigned long val);
int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev);
void __init pci_addr_cache_build(void);

/**
 * eeh_add_device_early
 * eeh_add_device_late
 *
 * Perform eeh initialization for devices added after boot.
 * Call eeh_add_device_early before doing any i/o to the
 * device (including config space i/o).  Call eeh_add_device_late
 * to finish the eeh setup for this device.
 */
void eeh_add_device_early(struct device_node *);
void eeh_add_device_late(struct pci_dev *);

/**
 * eeh_remove_device - undo EEH setup for the indicated pci device
 * @dev: pci device to be removed
 *
 * This routine should be called when a device is removed from
 * a running system (e.g. by hotplug or dlpar).  It unregisters
 * the PCI device from the EEH subsystem.  I/O errors affecting
 * this device will no longer be detected after this call; thus,
 * i/o errors affecting this slot may leave this device unusable.
 */
void eeh_remove_device(struct pci_dev *);

/**
 * EEH_POSSIBLE_ERROR() -- test for possible MMIO failure.
 *
 * 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)

/*
 * Reads from a device which has been isolated by EEH will return
 * all 1s.  This macro gives an all-1s value of the given size (in
 * bytes: 1, 2, or 4) for comparing with the result of a read.
 */
#define EEH_IO_ERROR_VALUE(size)	(~0U >> ((4 - (size)) * 8))

#else /* !CONFIG_EEH */
static inline void eeh_init(void) { }

static inline unsigned long eeh_check_failure(const volatile void __iomem *token, unsigned long val)
{
	return val;
}

static inline int eeh_dn_check_failure(struct device_node *dn, struct pci_dev *dev)
{
	return 0;
}

static inline void pci_addr_cache_build(void) { }

static inline void eeh_add_device_early(struct device_node *dn) { }

static inline void eeh_add_device_late(struct pci_dev *dev) { }

static inline void eeh_remove_device(struct pci_dev *dev) { }

#define EEH_POSSIBLE_ERROR(val, type) (0)
#define EEH_IO_ERROR_VALUE(size) (-1UL)
#endif /* CONFIG_EEH */

/*
 * MMIO read/write operations with EEH support.
 */
static inline u8 eeh_readb(const volatile void __iomem *addr)
{
	u8 val = in_8(addr);
	if (EEH_POSSIBLE_ERROR(val, u8))
		return eeh_check_failure(addr, val);
	return val;
}
static inline void eeh_writeb(u8 val, volatile void __iomem *addr)
{
	out_8(addr, val);
}

static inline u16 eeh_readw(const volatile void __iomem *addr)
{
	u16 val = in_le16(addr);
	if (EEH_POSSIBLE_ERROR(val, u16))
		return eeh_check_failure(addr, val);
	return val;
}
static inline void eeh_writew(u16 val, volatile void __iomem *addr)
{
	out_le16(addr, val);
}
static inline u16 eeh_raw_readw(const volatile void __iomem *addr)
{
	u16 val = in_be16(addr);
	if (EEH_POSSIBLE_ERROR(val, u16))
		return eeh_check_failure(addr, val);
	return val;
}
static inline void eeh_raw_writew(u16 val, volatile void __iomem *addr) {
	volatile u16 __iomem *vaddr = (volatile u16 __iomem *) addr;
	out_be16(vaddr, val);
}

static inline u32 eeh_readl(const volatile void __iomem *addr)
{
	u32 val = in_le32(addr);
	if (EEH_POSSIBLE_ERROR(val, u32))
		return eeh_check_failure(addr, val);
	return val;
}
static inline void eeh_writel(u32 val, volatile void __iomem *addr)
{
	out_le32(addr, val);
}
static inline u32 eeh_raw_readl(const volatile void __iomem *addr)
{
	u32 val = in_be32(addr);
	if (EEH_POSSIBLE_ERROR(val, u32))
		return eeh_check_failure(addr, val);
	return val;
}
static inline void eeh_raw_writel(u32 val, volatile void __iomem *addr)
{
	out_be32(addr, val);
}

static inline u64 eeh_readq(const volatile void __iomem *addr)
{
	u64 val = in_le64(addr);
	if (EEH_POSSIBLE_ERROR(val, u64))
		return eeh_check_failure(addr, val);
	return val;
}
static inline void eeh_writeq(u64 val, volatile void __iomem *addr)
{
	out_le64(addr, val);
}
static inline u64 eeh_raw_readq(const volatile void __iomem *addr)
{
	u64 val = in_be64(addr);
	if (EEH_POSSIBLE_ERROR(val, u64))
		return eeh_check_failure(addr, val);
	return val;
}
static inline void eeh_raw_writeq(u64 val, volatile void __iomem *addr)
{
	out_be64(addr, val);
}

#define EEH_CHECK_ALIGN(v,a) \
	((((unsigned long)(v)) & ((a) - 1)) == 0)

static inline void eeh_memset_io(volatile void __iomem *addr, int c,
				 unsigned long n)
{
	void *p = (void __force *)addr;
	u32 lc = c;
	lc |= lc << 8;
	lc |= lc << 16;

	while(n && !EEH_CHECK_ALIGN(p, 4)) {
		*((volatile u8 *)p) = c;
		p++;
		n--;
	}
	while(n >= 4) {
		*((volatile u32 *)p) = lc;
		p += 4;
		n -= 4;
	}
	while(n) {
		*((volatile u8 *)p) = c;
		p++;
		n--;
	}
	__asm__ __volatile__ ("sync" : : : "memory");
}
static inline void eeh_memcpy_fromio(void *dest, const volatile void __iomem *src,
				     unsigned long n)
{
	void *vsrc = (void __force *) src;
	void *destsave = dest;
	unsigned long nsave = n;

	while(n && (!EEH_CHECK_ALIGN(vsrc, 4) || !EEH_CHECK_ALIGN(dest, 4))) {
		*((u8 *)dest) = *((volatile u8 *)vsrc);
		__asm__ __volatile__ ("eieio" : : : "memory");
		vsrc++;
		dest++;
		n--;
	}
	while(n > 4) {
		*((u32 *)dest) = *((volatile u32 *)vsrc);
		__asm__ __volatile__ ("eieio" : : : "memory");
		vsrc += 4;
		dest += 4;
		n -= 4;
	}
	while(n) {
		*((u8 *)dest) = *((volatile u8 *)vsrc);
		__asm__ __volatile__ ("eieio" : : : "memory");
		vsrc++;
		dest++;
		n--;
	}
	__asm__ __volatile__ ("sync" : : : "memory");

	/* Look for ffff's here at dest[n].  Assume that at least 4 bytes
	 * were copied. Check all four bytes.
	 */
	if ((nsave >= 4) &&
		(EEH_POSSIBLE_ERROR((*((u32 *) destsave+nsave-4)), u32))) {
		eeh_check_failure(src, (*((u32 *) destsave+nsave-4)));
	}
}

static inline void eeh_memcpy_toio(volatile void __iomem *dest, const void *src,
				   unsigned long n)
{
	void *vdest = (void __force *) dest;

	while(n && (!EEH_CHECK_ALIGN(vdest, 4) || !EEH_CHECK_ALIGN(src, 4))) {
		*((volatile u8 *)vdest) = *((u8 *)src);
		src++;
		vdest++;
		n--;
	}
	while(n > 4) {
		*((volatile u32 *)vdest) = *((volatile u32 *)src);
		src += 4;
		vdest += 4;
		n-=4;
	}
	while(n) {
		*((volatile u8 *)vdest) = *((u8 *)src);
		src++;
		vdest++;
		n--;
	}
	__asm__ __volatile__ ("sync" : : : "memory");
}

#undef EEH_CHECK_ALIGN

static inline u8 eeh_inb(unsigned long port)
{
	u8 val;
	if (!_IO_IS_VALID(port))
		return ~0;
	val = in_8((u8 __iomem *)(port+pci_io_base));
	if (EEH_POSSIBLE_ERROR(val, u8))
		return eeh_check_failure((void __iomem *)(port), val);
	return val;
}

static inline void eeh_outb(u8 val, unsigned long port)
{
	if (_IO_IS_VALID(port))
		out_8((u8 __iomem *)(port+pci_io_base), val);
}

static inline u16 eeh_inw(unsigned long port)
{
	u16 val;
	if (!_IO_IS_VALID(port))
		return ~0;
	val = in_le16((u16 __iomem *)(port+pci_io_base));
	if (EEH_POSSIBLE_ERROR(val, u16))
		return eeh_check_failure((void __iomem *)(port), val);
	return val;
}

static inline void eeh_outw(u16 val, unsigned long port)
{
	if (_IO_IS_VALID(port))
		out_le16((u16 __iomem *)(port+pci_io_base), val);
}

static inline u32 eeh_inl(unsigned long port)
{
	u32 val;
	if (!_IO_IS_VALID(port))
		return ~0;
	val = in_le32((u32 __iomem *)(port+pci_io_base));
	if (EEH_POSSIBLE_ERROR(val, u32))
		return eeh_check_failure((void __iomem *)(port), val);
	return val;
}

static inline void eeh_outl(u32 val, unsigned long port)
{
	if (_IO_IS_VALID(port))
		out_le32((u32 __iomem *)(port+pci_io_base), val);
}

/* in-string eeh macros */
static inline void eeh_insb(unsigned long port, void * buf, int ns)
{
	_insb((u8 __iomem *)(port+pci_io_base), buf, ns);
	if (EEH_POSSIBLE_ERROR((*(((u8*)buf)+ns-1)), u8))
		eeh_check_failure((void __iomem *)(port), *(u8*)buf);
}

static inline void eeh_insw_ns(unsigned long port, void * buf, int ns)
{
	_insw_ns((u16 __iomem *)(port+pci_io_base), buf, ns);
	if (EEH_POSSIBLE_ERROR((*(((u16*)buf)+ns-1)), u16))
		eeh_check_failure((void __iomem *)(port), *(u16*)buf);
}

static inline void eeh_insl_ns(unsigned long port, void * buf, int nl)
{
	_insl_ns((u32 __iomem *)(port+pci_io_base), buf, nl);
	if (EEH_POSSIBLE_ERROR((*(((u32*)buf)+nl-1)), u32))
		eeh_check_failure((void __iomem *)(port), *(u32*)buf);
}

#endif /* _PPC64_EEH_H */
Commit	Line	Data
172ca926	1	/*
1da177e4 LT	2	* eeh.h
	3	* Copyright (C) 2001 Dave Engebretsen & Todd Inglett IBM Corporation.
	4	*
	5	* This program is free software; you can redistribute it and/or modify
	6	* it under the terms of the GNU General Public License as published by
	7	* the Free Software Foundation; either version 2 of the License, or
	8	* (at your option) any later version.
172ca926	9	*
1da177e4 LT	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
172ca926	14	*
1da177e4 LT	15	* You should have received a copy of the GNU General Public License
	16	* along with this program; if not, write to the Free Software
	17	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	18	*/
	19
	20	#ifndef _PPC64_EEH_H
	21	#define _PPC64_EEH_H
	22
	23	#include <linux/config.h>
	24	#include <linux/init.h>
	25	#include <linux/list.h>
	26	#include <linux/string.h>
	27
	28	struct pci_dev;
	29	struct device_node;
1da177e4 LT	30
	31	#ifdef CONFIG_EEH
	32
	33	/* Values for eeh_mode bits in device_node */
	34	#define EEH_MODE_SUPPORTED (1<<0)
	35	#define EEH_MODE_NOCHECK (1<<1)
	36	#define EEH_MODE_ISOLATED (1<<2)
	37
172ca926 LV	38	/* Max number of EEH freezes allowed before we consider the device
	39	* to be permanently disabled. */
	40	#define EEH_MAX_ALLOWED_FREEZES 5
	41
1da177e4 LT	42	void __init eeh_init(void);
	43	unsigned long eeh_check_failure(const volatile void __iomem *token,
	44	unsigned long val);
	45	int eeh_dn_check_failure(struct device_node dn, struct pci_dev dev);
	46	void __init pci_addr_cache_build(void);
	47
	48	/**
	49	* eeh_add_device_early
	50	* eeh_add_device_late
	51	*
	52	* Perform eeh initialization for devices added after boot.
	53	* Call eeh_add_device_early before doing any i/o to the
	54	* device (including config space i/o). Call eeh_add_device_late
	55	* to finish the eeh setup for this device.
	56	*/
	57	void eeh_add_device_early(struct device_node *);
	58	void eeh_add_device_late(struct pci_dev *);
	59
	60	/**
	61	* eeh_remove_device - undo EEH setup for the indicated pci device
	62	* @dev: pci device to be removed
	63	*
172ca926 LV	64	* This routine should be called when a device is removed from
	65	* a running system (e.g. by hotplug or dlpar). It unregisters
	66	* the PCI device from the EEH subsystem. I/O errors affecting
	67	* this device will no longer be detected after this call; thus,
	68	* i/o errors affecting this slot may leave this device unusable.
1da177e4 LT	69	*/
	70	void eeh_remove_device(struct pci_dev *);
	71
1da177e4 LT	72	/**
	73	* EEH_POSSIBLE_ERROR() -- test for possible MMIO failure.
	74	*
	75	* If this macro yields TRUE, the caller relays to eeh_check_failure()
	76	* which does further tests out of line.
	77	*/
	78	#define EEH_POSSIBLE_ERROR(val, type) ((val) == (type)~0)
	79
	80	/*
	81	* Reads from a device which has been isolated by EEH will return
	82	* all 1s. This macro gives an all-1s value of the given size (in
	83	* bytes: 1, 2, or 4) for comparing with the result of a read.
	84	*/
	85	#define EEH_IO_ERROR_VALUE(size) (~0U >> ((4 - (size)) * 8))
	86
	87	#else /* !CONFIG_EEH */
	88	static inline void eeh_init(void) { }
	89
	90	static inline unsigned long eeh_check_failure(const volatile void __iomem *token, unsigned long val)
	91	{
	92	return val;
	93	}
	94
	95	static inline int eeh_dn_check_failure(struct device_node dn, struct pci_dev dev)
	96	{
	97	return 0;
	98	}
	99
	100	static inline void pci_addr_cache_build(void) { }
	101
	102	static inline void eeh_add_device_early(struct device_node *dn) { }
	103
	104	static inline void eeh_add_device_late(struct pci_dev *dev) { }
	105
	106	static inline void eeh_remove_device(struct pci_dev *dev) { }
	107
	108	#define EEH_POSSIBLE_ERROR(val, type) (0)
	109	#define EEH_IO_ERROR_VALUE(size) (-1UL)
	110	#endif /* CONFIG_EEH */
	111
172ca926	112	/*
1da177e4 LT	113	* MMIO read/write operations with EEH support.
	114	*/
	115	static inline u8 eeh_readb(const volatile void __iomem *addr)
	116	{
	117	u8 val = in_8(addr);
	118	if (EEH_POSSIBLE_ERROR(val, u8))
	119	return eeh_check_failure(addr, val);
	120	return val;
	121	}
	122	static inline void eeh_writeb(u8 val, volatile void __iomem *addr)
	123	{
	124	out_8(addr, val);
	125	}
	126
	127	static inline u16 eeh_readw(const volatile void __iomem *addr)
	128	{
	129	u16 val = in_le16(addr);
	130	if (EEH_POSSIBLE_ERROR(val, u16))
	131	return eeh_check_failure(addr, val);
	132	return val;
	133	}
	134	static inline void eeh_writew(u16 val, volatile void __iomem *addr)
	135	{
	136	out_le16(addr, val);
	137	}
	138	static inline u16 eeh_raw_readw(const volatile void __iomem *addr)
	139	{
	140	u16 val = in_be16(addr);
	141	if (EEH_POSSIBLE_ERROR(val, u16))
	142	return eeh_check_failure(addr, val);
	143	return val;
	144	}
	145	static inline void eeh_raw_writew(u16 val, volatile void __iomem *addr) {
	146	volatile u16 __iomem vaddr = (volatile u16 __iomem ) addr;
	147	out_be16(vaddr, val);
	148	}
	149
	150	static inline u32 eeh_readl(const volatile void __iomem *addr)
	151	{
	152	u32 val = in_le32(addr);
	153	if (EEH_POSSIBLE_ERROR(val, u32))
	154	return eeh_check_failure(addr, val);
	155	return val;
	156	}
	157	static inline void eeh_writel(u32 val, volatile void __iomem *addr)
	158	{
	159	out_le32(addr, val);
	160	}
	161	static inline u32 eeh_raw_readl(const volatile void __iomem *addr)
	162	{
	163	u32 val = in_be32(addr);
	164	if (EEH_POSSIBLE_ERROR(val, u32))
	165	return eeh_check_failure(addr, val);
	166	return val;
	167	}
	168	static inline void eeh_raw_writel(u32 val, volatile void __iomem *addr)
	169	{
	170	out_be32(addr, val);
	171	}
	172
	173	static inline u64 eeh_readq(const volatile void __iomem *addr)
	174	{
	175	u64 val = in_le64(addr);
	176	if (EEH_POSSIBLE_ERROR(val, u64))
177	return eeh_check_failure(addr, val);
178	return val;
179	}
180	static inline void eeh_writeq(u64 val, volatile void __iomem *addr)
181	{
182	out_le64(addr, val);
183	}
184	static inline u64 eeh_raw_readq(const volatile void __iomem *addr)
185	{
186	u64 val = in_be64(addr);
187	if (EEH_POSSIBLE_ERROR(val, u64))
188	return eeh_check_failure(addr, val);
189	return val;
190	}
191	static inline void eeh_raw_writeq(u64 val, volatile void __iomem *addr)
192	{
193	out_be64(addr, val);
194	}
195
196	#define EEH_CHECK_ALIGN(v,a) \
197	((((unsigned long)(v)) & ((a) - 1)) == 0)
198
199	static inline void eeh_memset_io(volatile void __iomem *addr, int c,
200	unsigned long n)
201	{
6c9afc65	202	void p = (void __force )addr;
1da177e4 LT	203	u32 lc = c;
	204	lc \|= lc << 8;
	205	lc \|= lc << 16;
	206
6c9afc65 Z	207	while(n && !EEH_CHECK_ALIGN(p, 4)) {
	208	((volatile u8 )p) = c;
	209	p++;
1da177e4 LT	210	n--;
	211	}
	212	while(n >= 4) {
6c9afc65 Z	213	((volatile u32 )p) = lc;
6c9afc65 Z	214	p += 4;
1da177e4 LT	215	n -= 4;
	216	}
	217	while(n) {
6c9afc65 Z	218	((volatile u8 )p) = c;
6c9afc65 Z	219	p++;
1da177e4 LT	220	n--;
	221	}
	222	__asm__ __volatile__ ("sync" : : : "memory");
	223	}
	224	static inline void eeh_memcpy_fromio(void dest, const volatile void __iomem src,
	225	unsigned long n)
	226	{
	227	void vsrc = (void __force ) src;
	228	void *destsave = dest;
	229	unsigned long nsave = n;
	230
	231	while(n && (!EEH_CHECK_ALIGN(vsrc, 4) \|\| !EEH_CHECK_ALIGN(dest, 4))) {
	232	((u8 )dest) = ((volatile u8 )vsrc);
	233	__asm__ __volatile__ ("eieio" : : : "memory");
6c9afc65 Z	234	vsrc++;
6c9afc65 Z	235	dest++;
1da177e4 LT	236	n--;
	237	}
	238	while(n > 4) {
	239	((u32 )dest) = ((volatile u32 )vsrc);
	240	__asm__ __volatile__ ("eieio" : : : "memory");
6c9afc65 Z	241	vsrc += 4;
6c9afc65 Z	242	dest += 4;
1da177e4 LT	243	n -= 4;
	244	}
	245	while(n) {
	246	((u8 )dest) = ((volatile u8 )vsrc);
	247	__asm__ __volatile__ ("eieio" : : : "memory");
6c9afc65 Z	248	vsrc++;
6c9afc65 Z	249	dest++;
1da177e4 LT	250	n--;
	251	}
	252	__asm__ __volatile__ ("sync" : : : "memory");
	253
	254	/* Look for ffff's here at dest[n]. Assume that at least 4 bytes
	255	* were copied. Check all four bytes.
	256	*/
	257	if ((nsave >= 4) &&
	258	(EEH_POSSIBLE_ERROR((((u32 ) destsave+nsave-4)), u32))) {
	259	eeh_check_failure(src, (((u32 ) destsave+nsave-4)));
	260	}
	261	}
	262
	263	static inline void eeh_memcpy_toio(volatile void __iomem dest, const void src,
	264	unsigned long n)
	265	{
	266	void vdest = (void __force ) dest;
	267
	268	while(n && (!EEH_CHECK_ALIGN(vdest, 4) \|\| !EEH_CHECK_ALIGN(src, 4))) {
	269	((volatile u8 )vdest) = ((u8 )src);
6c9afc65 Z	270	src++;
6c9afc65 Z	271	vdest++;
1da177e4 LT	272	n--;
	273	}
	274	while(n > 4) {
	275	((volatile u32 )vdest) = ((volatile u32 )src);
6c9afc65 Z	276	src += 4;
6c9afc65 Z	277	vdest += 4;
1da177e4 LT	278	n-=4;
	279	}
	280	while(n) {
	281	((volatile u8 )vdest) = ((u8 )src);
6c9afc65 Z	282	src++;
6c9afc65 Z	283	vdest++;
1da177e4 LT	284	n--;
	285	}
	286	__asm__ __volatile__ ("sync" : : : "memory");
	287	}
	288
	289	#undef EEH_CHECK_ALIGN
	290
	291	static inline u8 eeh_inb(unsigned long port)
	292	{
	293	u8 val;
	294	if (!_IO_IS_VALID(port))
	295	return ~0;
	296	val = in_8((u8 __iomem *)(port+pci_io_base));
	297	if (EEH_POSSIBLE_ERROR(val, u8))
	298	return eeh_check_failure((void __iomem *)(port), val);
	299	return val;
	300	}
	301
	302	static inline void eeh_outb(u8 val, unsigned long port)
	303	{
	304	if (_IO_IS_VALID(port))
	305	out_8((u8 __iomem *)(port+pci_io_base), val);
	306	}
	307
	308	static inline u16 eeh_inw(unsigned long port)
	309	{
	310	u16 val;
	311	if (!_IO_IS_VALID(port))
	312	return ~0;
	313	val = in_le16((u16 __iomem *)(port+pci_io_base));
	314	if (EEH_POSSIBLE_ERROR(val, u16))
	315	return eeh_check_failure((void __iomem *)(port), val);
	316	return val;
	317	}
	318
	319	static inline void eeh_outw(u16 val, unsigned long port)
	320	{
	321	if (_IO_IS_VALID(port))
	322	out_le16((u16 __iomem *)(port+pci_io_base), val);
	323	}
	324
	325	static inline u32 eeh_inl(unsigned long port)
	326	{
	327	u32 val;
	328	if (!_IO_IS_VALID(port))
	329	return ~0;
	330	val = in_le32((u32 __iomem *)(port+pci_io_base));
	331	if (EEH_POSSIBLE_ERROR(val, u32))
	332	return eeh_check_failure((void __iomem *)(port), val);
	333	return val;
	334	}
	335
	336	static inline void eeh_outl(u32 val, unsigned long port)
	337	{
	338	if (_IO_IS_VALID(port))
	339	out_le32((u32 __iomem *)(port+pci_io_base), val);
	340	}
	341
	342	/* in-string eeh macros */
	343	static inline void eeh_insb(unsigned long port, void * buf, int ns)
	344	{
	345	_insb((u8 __iomem *)(port+pci_io_base), buf, ns);
	346	if (EEH_POSSIBLE_ERROR(((((u8)buf)+ns-1)), u8))
	347	eeh_check_failure((void __iomem )(port), (u8*)buf);
348	}
349
350	static inline void eeh_insw_ns(unsigned long port, void * buf, int ns)
351	{
352	_insw_ns((u16 __iomem *)(port+pci_io_base), buf, ns);
353	if (EEH_POSSIBLE_ERROR(((((u16)buf)+ns-1)), u16))
354	eeh_check_failure((void __iomem )(port), (u16*)buf);
355	}
356
357	static inline void eeh_insl_ns(unsigned long port, void * buf, int nl)
358	{
359	_insl_ns((u32 __iomem *)(port+pci_io_base), buf, nl);
360	if (EEH_POSSIBLE_ERROR(((((u32)buf)+nl-1)), u32))
361	eeh_check_failure((void __iomem )(port), (u32*)buf);
362	}
363
364	#endif /* _PPC64_EEH_H */