#define _PPC64_EEH_H
#ifdef __KERNEL__
-#include <linux/config.h>
#include <linux/init.h>
#include <linux/list.h>
#include <linux/string.h>
* 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 *dev);
void eeh_add_device_tree_early(struct device_node *);
void eeh_add_device_tree_late(struct pci_bus *);
-/**
- * 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_remove_device_recursive - undo EEH for device & children.
* @dev: pci device to be removed
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) { }
-
static inline void eeh_add_device_tree_early(struct device_node *dn) { }
static inline void eeh_add_device_tree_late(struct pci_bus *bus) { }
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)
{
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)
{
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)
+
+static inline u64 eeh_readq(const volatile void __iomem *addr)
{
- u32 val = in_be32(addr);
- if (EEH_POSSIBLE_ERROR(val, u32))
+ u64 val = in_le64(addr);
+ if (EEH_POSSIBLE_ERROR(val, u64))
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)
+static inline u16 eeh_readw_be(const volatile void __iomem *addr)
{
- u64 val = in_le64(addr);
- if (EEH_POSSIBLE_ERROR(val, u64))
+ u16 val = in_be16(addr);
+ if (EEH_POSSIBLE_ERROR(val, u16))
return eeh_check_failure(addr, val);
return val;
}
-static inline void eeh_writeq(u64 val, volatile void __iomem *addr)
+
+static inline u32 eeh_readl_be(const volatile void __iomem *addr)
{
- out_le64(addr, val);
+ u32 val = in_be32(addr);
+ if (EEH_POSSIBLE_ERROR(val, u32))
+ return eeh_check_failure(addr, val);
+ return val;
}
-static inline u64 eeh_raw_readq(const volatile void __iomem *addr)
+
+static inline u64 eeh_readq_be(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,
+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");
+ _memcpy_fromio(dest, src, n);
/* 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);
+ if (n >= 4 && EEH_POSSIBLE_ERROR(*((u32 *)(dest + n - 4)), u32))
+ eeh_check_failure(src, *((u32 *)(dest + n - 4)));
}
/* in-string eeh macros */
-static inline void eeh_insb(unsigned long port, void * buf, int ns)
+static inline void eeh_readsb(const volatile void __iomem *addr, void * buf,
+ int ns)
{
- _insb((u8 __iomem *)(port+pci_io_base), buf, ns);
+ _insb(addr, buf, ns);
if (EEH_POSSIBLE_ERROR((*(((u8*)buf)+ns-1)), u8))
- eeh_check_failure((void __iomem *)(port), *(u8*)buf);
+ eeh_check_failure(addr, *(u8*)buf);
}
-static inline void eeh_insw_ns(unsigned long port, void * buf, int ns)
+static inline void eeh_readsw(const volatile void __iomem *addr, void * buf,
+ int ns)
{
- _insw_ns((u16 __iomem *)(port+pci_io_base), buf, ns);
+ _insw(addr, buf, ns);
if (EEH_POSSIBLE_ERROR((*(((u16*)buf)+ns-1)), u16))
- eeh_check_failure((void __iomem *)(port), *(u16*)buf);
+ eeh_check_failure(addr, *(u16*)buf);
}
-static inline void eeh_insl_ns(unsigned long port, void * buf, int nl)
+static inline void eeh_readsl(const volatile void __iomem *addr, void * buf,
+ int nl)
{
- _insl_ns((u32 __iomem *)(port+pci_io_base), buf, nl);
+ _insl(addr, buf, nl);
if (EEH_POSSIBLE_ERROR((*(((u32*)buf)+nl-1)), u32))
- eeh_check_failure((void __iomem *)(port), *(u32*)buf);
+ eeh_check_failure(addr, *(u32*)buf);
}
#endif /* __KERNEL__ */
git://git.onelab.eu / linux-2.6.git / blobdiff