[mirror_ubuntu-jammy-kernel.git] / include / asm-ppc64 / 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;
struct device_node;
struct notifier_block;

#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)

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 when a device is removed from a running
 * system (e.g. by hotplug or dlpar).
 */
void eeh_remove_device(struct pci_dev *);

#define EEH_DISABLE		0
#define EEH_ENABLE		1
#define EEH_RELEASE_LOADSTORE	2
#define EEH_RELEASE_DMA		3

/**
 * Notifier event flags.
 */
#define EEH_NOTIFY_FREEZE  1

/** EEH event -- structure holding pci slot data that describes
 *  a change in the isolation status of a PCI slot.  A pointer
 *  to this struct is passed as the data pointer in a notify callback.
 */
struct eeh_event {
	struct list_head     list;
	struct pci_dev       *dev;
	struct device_node   *dn;
	int                  reset_state;
};

/** Register to find out about EEH events. */
int eeh_register_notifier(struct notifier_block *nb);
int eeh_unregister_notifier(struct notifier_block *nb);

/**
 * 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
1da177e4 LT	1	/*
	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.
	9	*
	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.
	14	*
	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;
	30	struct device_node;
	31	struct notifier_block;
	32
	33	#ifdef CONFIG_EEH
	34
	35	/* Values for eeh_mode bits in device_node */
	36	#define EEH_MODE_SUPPORTED (1<<0)
	37	#define EEH_MODE_NOCHECK (1<<1)
	38	#define EEH_MODE_ISOLATED (1<<2)
	39
	40	void __init eeh_init(void);
	41	unsigned long eeh_check_failure(const volatile void __iomem *token,
	42	unsigned long val);
	43	int eeh_dn_check_failure(struct device_node dn, struct pci_dev dev);
	44	void __init pci_addr_cache_build(void);
	45
	46	/**
	47	* eeh_add_device_early
	48	* eeh_add_device_late
	49	*
	50	* Perform eeh initialization for devices added after boot.
	51	* Call eeh_add_device_early before doing any i/o to the
	52	* device (including config space i/o). Call eeh_add_device_late
	53	* to finish the eeh setup for this device.
	54	*/
	55	void eeh_add_device_early(struct device_node *);
	56	void eeh_add_device_late(struct pci_dev *);
	57
	58	/**
	59	* eeh_remove_device - undo EEH setup for the indicated pci device
	60	* @dev: pci device to be removed
	61	*
	62	* This routine should be when a device is removed from a running
	63	* system (e.g. by hotplug or dlpar).
	64	*/
65	void eeh_remove_device(struct pci_dev *);
66
67	#define EEH_DISABLE 0
68	#define EEH_ENABLE 1
69	#define EEH_RELEASE_LOADSTORE 2
70	#define EEH_RELEASE_DMA 3
71
72	/**
73	* Notifier event flags.
74	*/
75	#define EEH_NOTIFY_FREEZE 1
76
77	/** EEH event -- structure holding pci slot data that describes
78	* a change in the isolation status of a PCI slot. A pointer
79	* to this struct is passed as the data pointer in a notify callback.
80	*/
81	struct eeh_event {
82	struct list_head list;
83	struct pci_dev *dev;
84	struct device_node *dn;
85	int reset_state;
86	};
87
88	/** Register to find out about EEH events. */
89	int eeh_register_notifier(struct notifier_block *nb);
90	int eeh_unregister_notifier(struct notifier_block *nb);
91
92	/**
93	* EEH_POSSIBLE_ERROR() -- test for possible MMIO failure.
94	*
95	* If this macro yields TRUE, the caller relays to eeh_check_failure()
96	* which does further tests out of line.
97	*/
98	#define EEH_POSSIBLE_ERROR(val, type) ((val) == (type)~0)
99
100	/*
101	* Reads from a device which has been isolated by EEH will return
102	* all 1s. This macro gives an all-1s value of the given size (in
103	* bytes: 1, 2, or 4) for comparing with the result of a read.
104	*/
105	#define EEH_IO_ERROR_VALUE(size) (~0U >> ((4 - (size)) * 8))
106
107	#else /* !CONFIG_EEH */
108	static inline void eeh_init(void) { }
109
110	static inline unsigned long eeh_check_failure(const volatile void __iomem *token, unsigned long val)
111	{
112	return val;
113	}
114
115	static inline int eeh_dn_check_failure(struct device_node dn, struct pci_dev dev)
116	{
117	return 0;
118	}
119
120	static inline void pci_addr_cache_build(void) { }
121
122	static inline void eeh_add_device_early(struct device_node *dn) { }
123
124	static inline void eeh_add_device_late(struct pci_dev *dev) { }
125
126	static inline void eeh_remove_device(struct pci_dev *dev) { }
127
128	#define EEH_POSSIBLE_ERROR(val, type) (0)
129	#define EEH_IO_ERROR_VALUE(size) (-1UL)
130	#endif /* CONFIG_EEH */
131
132	/*
133	* MMIO read/write operations with EEH support.
134	*/
135	static inline u8 eeh_readb(const volatile void __iomem *addr)
136	{
137	u8 val = in_8(addr);
138	if (EEH_POSSIBLE_ERROR(val, u8))
139	return eeh_check_failure(addr, val);
140	return val;
141	}
142	static inline void eeh_writeb(u8 val, volatile void __iomem *addr)
143	{
144	out_8(addr, val);
145	}
146
147	static inline u16 eeh_readw(const volatile void __iomem *addr)
148	{
149	u16 val = in_le16(addr);
150	if (EEH_POSSIBLE_ERROR(val, u16))
151	return eeh_check_failure(addr, val);
152	return val;
153	}
154	static inline void eeh_writew(u16 val, volatile void __iomem *addr)
155	{
156	out_le16(addr, val);
157	}
158	static inline u16 eeh_raw_readw(const volatile void __iomem *addr)
159	{
160	u16 val = in_be16(addr);
161	if (EEH_POSSIBLE_ERROR(val, u16))
162	return eeh_check_failure(addr, val);
163	return val;
164	}
165	static inline void eeh_raw_writew(u16 val, volatile void __iomem *addr) {
166	volatile u16 __iomem vaddr = (volatile u16 __iomem ) addr;
167	out_be16(vaddr, val);
168	}
169
170	static inline u32 eeh_readl(const volatile void __iomem *addr)
171	{
172	u32 val = in_le32(addr);
173	if (EEH_POSSIBLE_ERROR(val, u32))
174	return eeh_check_failure(addr, val);
175	return val;
176	}
177	static inline void eeh_writel(u32 val, volatile void __iomem *addr)
178	{
179	out_le32(addr, val);
180	}
181	static inline u32 eeh_raw_readl(const volatile void __iomem *addr)
182	{
183	u32 val = in_be32(addr);
184	if (EEH_POSSIBLE_ERROR(val, u32))
185	return eeh_check_failure(addr, val);
186	return val;
187	}
188	static inline void eeh_raw_writel(u32 val, volatile void __iomem *addr)
189	{
190	out_be32(addr, val);
191	}
192
193	static inline u64 eeh_readq(const volatile void __iomem *addr)
194	{
195	u64 val = in_le64(addr);
196	if (EEH_POSSIBLE_ERROR(val, u64))
197	return eeh_check_failure(addr, val);
198	return val;
199	}
200	static inline void eeh_writeq(u64 val, volatile void __iomem *addr)
201	{
202	out_le64(addr, val);
203	}
204	static inline u64 eeh_raw_readq(const volatile void __iomem *addr)
205	{
206	u64 val = in_be64(addr);
207	if (EEH_POSSIBLE_ERROR(val, u64))
208	return eeh_check_failure(addr, val);
209	return val;
210	}
211	static inline void eeh_raw_writeq(u64 val, volatile void __iomem *addr)
212	{
213	out_be64(addr, val);
214	}
215
216	#define EEH_CHECK_ALIGN(v,a) \
217	((((unsigned long)(v)) & ((a) - 1)) == 0)
218
219	static inline void eeh_memset_io(volatile void __iomem *addr, int c,
220	unsigned long n)
221	{
6c9afc65	222	void p = (void __force )addr;
1da177e4 LT	223	u32 lc = c;
	224	lc \|= lc << 8;
	225	lc \|= lc << 16;
	226
6c9afc65 AV	227	while(n && !EEH_CHECK_ALIGN(p, 4)) {
	228	((volatile u8 )p) = c;
	229	p++;
1da177e4 LT	230	n--;
	231	}
	232	while(n >= 4) {
6c9afc65 AV	233	((volatile u32 )p) = lc;
6c9afc65 AV	234	p += 4;
1da177e4 LT	235	n -= 4;
	236	}
	237	while(n) {
6c9afc65 AV	238	((volatile u8 )p) = c;
6c9afc65 AV	239	p++;
1da177e4 LT	240	n--;
	241	}
	242	__asm__ __volatile__ ("sync" : : : "memory");
	243	}
	244	static inline void eeh_memcpy_fromio(void dest, const volatile void __iomem src,
	245	unsigned long n)
	246	{
	247	void vsrc = (void __force ) src;
	248	void *destsave = dest;
	249	unsigned long nsave = n;
	250
	251	while(n && (!EEH_CHECK_ALIGN(vsrc, 4) \|\| !EEH_CHECK_ALIGN(dest, 4))) {
	252	((u8 )dest) = ((volatile u8 )vsrc);
	253	__asm__ __volatile__ ("eieio" : : : "memory");
6c9afc65 AV	254	vsrc++;
6c9afc65 AV	255	dest++;
1da177e4 LT	256	n--;
	257	}
	258	while(n > 4) {
	259	((u32 )dest) = ((volatile u32 )vsrc);
	260	__asm__ __volatile__ ("eieio" : : : "memory");
6c9afc65 AV	261	vsrc += 4;
6c9afc65 AV	262	dest += 4;
1da177e4 LT	263	n -= 4;
	264	}
	265	while(n) {
	266	((u8 )dest) = ((volatile u8 )vsrc);
	267	__asm__ __volatile__ ("eieio" : : : "memory");
6c9afc65 AV	268	vsrc++;
6c9afc65 AV	269	dest++;
1da177e4 LT	270	n--;
	271	}
	272	__asm__ __volatile__ ("sync" : : : "memory");
	273
	274	/* Look for ffff's here at dest[n]. Assume that at least 4 bytes
	275	* were copied. Check all four bytes.
	276	*/
	277	if ((nsave >= 4) &&
	278	(EEH_POSSIBLE_ERROR((((u32 ) destsave+nsave-4)), u32))) {
	279	eeh_check_failure(src, (((u32 ) destsave+nsave-4)));
	280	}
	281	}
	282
	283	static inline void eeh_memcpy_toio(volatile void __iomem dest, const void src,
	284	unsigned long n)
	285	{
	286	void vdest = (void __force ) dest;
	287
	288	while(n && (!EEH_CHECK_ALIGN(vdest, 4) \|\| !EEH_CHECK_ALIGN(src, 4))) {
	289	((volatile u8 )vdest) = ((u8 )src);
6c9afc65 AV	290	src++;
6c9afc65 AV	291	vdest++;
1da177e4 LT	292	n--;
	293	}
	294	while(n > 4) {
	295	((volatile u32 )vdest) = ((volatile u32 )src);
6c9afc65 AV	296	src += 4;
6c9afc65 AV	297	vdest += 4;
1da177e4 LT	298	n-=4;
	299	}
	300	while(n) {
	301	((volatile u8 )vdest) = ((u8 )src);
6c9afc65 AV	302	src++;
6c9afc65 AV	303	vdest++;
1da177e4 LT	304	n--;
	305	}
	306	__asm__ __volatile__ ("sync" : : : "memory");
	307	}
	308
	309	#undef EEH_CHECK_ALIGN
	310
	311	static inline u8 eeh_inb(unsigned long port)
	312	{
	313	u8 val;
	314	if (!_IO_IS_VALID(port))
	315	return ~0;
	316	val = in_8((u8 __iomem *)(port+pci_io_base));
	317	if (EEH_POSSIBLE_ERROR(val, u8))
	318	return eeh_check_failure((void __iomem *)(port), val);
	319	return val;
	320	}
	321
	322	static inline void eeh_outb(u8 val, unsigned long port)
	323	{
	324	if (_IO_IS_VALID(port))
	325	out_8((u8 __iomem *)(port+pci_io_base), val);
	326	}
	327
	328	static inline u16 eeh_inw(unsigned long port)
	329	{
	330	u16 val;
	331	if (!_IO_IS_VALID(port))
	332	return ~0;
	333	val = in_le16((u16 __iomem *)(port+pci_io_base));
	334	if (EEH_POSSIBLE_ERROR(val, u16))
	335	return eeh_check_failure((void __iomem *)(port), val);
	336	return val;
	337	}
	338
	339	static inline void eeh_outw(u16 val, unsigned long port)
	340	{
	341	if (_IO_IS_VALID(port))
	342	out_le16((u16 __iomem *)(port+pci_io_base), val);
	343	}
	344
	345	static inline u32 eeh_inl(unsigned long port)
	346	{
	347	u32 val;
	348	if (!_IO_IS_VALID(port))
	349	return ~0;
	350	val = in_le32((u32 __iomem *)(port+pci_io_base));
	351	if (EEH_POSSIBLE_ERROR(val, u32))
	352	return eeh_check_failure((void __iomem *)(port), val);
	353	return val;
	354	}
	355
	356	static inline void eeh_outl(u32 val, unsigned long port)
	357	{
	358	if (_IO_IS_VALID(port))
	359	out_le32((u32 __iomem *)(port+pci_io_base), val);
	360	}
	361
	362	/* in-string eeh macros */
	363	static inline void eeh_insb(unsigned long port, void * buf, int ns)
	364	{
	365	_insb((u8 __iomem *)(port+pci_io_base), buf, ns);
	366	if (EEH_POSSIBLE_ERROR(((((u8)buf)+ns-1)), u8))
	367	eeh_check_failure((void __iomem )(port), (u8*)buf);
368	}
369
370	static inline void eeh_insw_ns(unsigned long port, void * buf, int ns)
371	{
372	_insw_ns((u16 __iomem *)(port+pci_io_base), buf, ns);
373	if (EEH_POSSIBLE_ERROR(((((u16)buf)+ns-1)), u16))
374	eeh_check_failure((void __iomem )(port), (u16*)buf);
375	}
376
377	static inline void eeh_insl_ns(unsigned long port, void * buf, int nl)
378	{
379	_insl_ns((u32 __iomem *)(port+pci_io_base), buf, nl);
380	if (EEH_POSSIBLE_ERROR(((((u32)buf)+nl-1)), u32))
381	eeh_check_failure((void __iomem )(port), (u32*)buf);
382	}
383
384	#endif /* _PPC64_EEH_H */