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Diffstat (limited to 'arch/powerpc/platforms/pseries/eeh_cache.c')
-rw-r--r--arch/powerpc/platforms/pseries/eeh_cache.c59
1 files changed, 30 insertions, 29 deletions
diff --git a/arch/powerpc/platforms/pseries/eeh_cache.c b/arch/powerpc/platforms/pseries/eeh_cache.c
index e5ae1c687c66..5a4c87903057 100644
--- a/arch/powerpc/platforms/pseries/eeh_cache.c
+++ b/arch/powerpc/platforms/pseries/eeh_cache.c
@@ -50,6 +50,7 @@ struct pci_io_addr_range {
struct rb_node rb_node;
unsigned long addr_lo;
unsigned long addr_hi;
+ struct eeh_dev *edev;
struct pci_dev *pcidev;
unsigned int flags;
};
@@ -59,7 +60,7 @@ static struct pci_io_addr_cache {
spinlock_t piar_lock;
} pci_io_addr_cache_root;
-static inline struct pci_dev *__pci_addr_cache_get_device(unsigned long addr)
+static inline struct eeh_dev *__eeh_addr_cache_get_device(unsigned long addr)
{
struct rb_node *n = pci_io_addr_cache_root.rb_root.rb_node;
@@ -74,7 +75,7 @@ static inline struct pci_dev *__pci_addr_cache_get_device(unsigned long addr)
n = n->rb_right;
} else {
pci_dev_get(piar->pcidev);
- return piar->pcidev;
+ return piar->edev;
}
}
}
@@ -83,7 +84,7 @@ static inline struct pci_dev *__pci_addr_cache_get_device(unsigned long addr)
}
/**
- * pci_addr_cache_get_device - Get device, given only address
+ * eeh_addr_cache_get_dev - Get device, given only address
* @addr: mmio (PIO) phys address or i/o port number
*
* Given an mmio phys address, or a port number, find a pci device
@@ -92,15 +93,15 @@ static inline struct pci_dev *__pci_addr_cache_get_device(unsigned long addr)
* from zero (that is, they do *not* have pci_io_addr added in).
* It is safe to call this function within an interrupt.
*/
-struct pci_dev *pci_addr_cache_get_device(unsigned long addr)
+struct eeh_dev *eeh_addr_cache_get_dev(unsigned long addr)
{
- struct pci_dev *dev;
+ struct eeh_dev *edev;
unsigned long flags;
spin_lock_irqsave(&pci_io_addr_cache_root.piar_lock, flags);
- dev = __pci_addr_cache_get_device(addr);
+ edev = __eeh_addr_cache_get_device(addr);
spin_unlock_irqrestore(&pci_io_addr_cache_root.piar_lock, flags);
- return dev;
+ return edev;
}
#ifdef DEBUG
@@ -108,7 +109,7 @@ struct pci_dev *pci_addr_cache_get_device(unsigned long addr)
* Handy-dandy debug print routine, does nothing more
* than print out the contents of our addr cache.
*/
-static void pci_addr_cache_print(struct pci_io_addr_cache *cache)
+static void eeh_addr_cache_print(struct pci_io_addr_cache *cache)
{
struct rb_node *n;
int cnt = 0;
@@ -117,7 +118,7 @@ static void pci_addr_cache_print(struct pci_io_addr_cache *cache)
while (n) {
struct pci_io_addr_range *piar;
piar = rb_entry(n, struct pci_io_addr_range, rb_node);
- printk(KERN_DEBUG "PCI: %s addr range %d [%lx-%lx]: %s\n",
+ pr_debug("PCI: %s addr range %d [%lx-%lx]: %s\n",
(piar->flags & IORESOURCE_IO) ? "i/o" : "mem", cnt,
piar->addr_lo, piar->addr_hi, pci_name(piar->pcidev));
cnt++;
@@ -128,7 +129,7 @@ static void pci_addr_cache_print(struct pci_io_addr_cache *cache)
/* Insert address range into the rb tree. */
static struct pci_io_addr_range *
-pci_addr_cache_insert(struct pci_dev *dev, unsigned long alo,
+eeh_addr_cache_insert(struct pci_dev *dev, unsigned long alo,
unsigned long ahi, unsigned int flags)
{
struct rb_node **p = &pci_io_addr_cache_root.rb_root.rb_node;
@@ -146,23 +147,24 @@ pci_addr_cache_insert(struct pci_dev *dev, unsigned long alo,
} else {
if (dev != piar->pcidev ||
alo != piar->addr_lo || ahi != piar->addr_hi) {
- printk(KERN_WARNING "PIAR: overlapping address range\n");
+ pr_warning("PIAR: overlapping address range\n");
}
return piar;
}
}
- piar = kmalloc(sizeof(struct pci_io_addr_range), GFP_ATOMIC);
+ piar = kzalloc(sizeof(struct pci_io_addr_range), GFP_ATOMIC);
if (!piar)
return NULL;
pci_dev_get(dev);
piar->addr_lo = alo;
piar->addr_hi = ahi;
+ piar->edev = pci_dev_to_eeh_dev(dev);
piar->pcidev = dev;
piar->flags = flags;
#ifdef DEBUG
- printk(KERN_DEBUG "PIAR: insert range=[%lx:%lx] dev=%s\n",
+ pr_debug("PIAR: insert range=[%lx:%lx] dev=%s\n",
alo, ahi, pci_name(dev));
#endif
@@ -172,7 +174,7 @@ pci_addr_cache_insert(struct pci_dev *dev, unsigned long alo,
return piar;
}
-static void __pci_addr_cache_insert_device(struct pci_dev *dev)
+static void __eeh_addr_cache_insert_dev(struct pci_dev *dev)
{
struct device_node *dn;
struct eeh_dev *edev;
@@ -180,7 +182,7 @@ static void __pci_addr_cache_insert_device(struct pci_dev *dev)
dn = pci_device_to_OF_node(dev);
if (!dn) {
- printk(KERN_WARNING "PCI: no pci dn found for dev=%s\n", pci_name(dev));
+ pr_warning("PCI: no pci dn found for dev=%s\n", pci_name(dev));
return;
}
@@ -192,8 +194,7 @@ static void __pci_addr_cache_insert_device(struct pci_dev *dev)
}
/* Skip any devices for which EEH is not enabled. */
- if (!(edev->mode & EEH_MODE_SUPPORTED) ||
- edev->mode & EEH_MODE_NOCHECK) {
+ if (!edev->pe) {
#ifdef DEBUG
pr_info("PCI: skip building address cache for=%s - %s\n",
pci_name(dev), dn->full_name);
@@ -212,19 +213,19 @@ static void __pci_addr_cache_insert_device(struct pci_dev *dev)
continue;
if (start == 0 || ~start == 0 || end == 0 || ~end == 0)
continue;
- pci_addr_cache_insert(dev, start, end, flags);
+ eeh_addr_cache_insert(dev, start, end, flags);
}
}
/**
- * pci_addr_cache_insert_device - Add a device to the address cache
+ * eeh_addr_cache_insert_dev - Add a device to the address cache
* @dev: PCI device whose I/O addresses we are interested in.
*
* In order to support the fast lookup of devices based on addresses,
* we maintain a cache of devices that can be quickly searched.
* This routine adds a device to that cache.
*/
-void pci_addr_cache_insert_device(struct pci_dev *dev)
+void eeh_addr_cache_insert_dev(struct pci_dev *dev)
{
unsigned long flags;
@@ -233,11 +234,11 @@ void pci_addr_cache_insert_device(struct pci_dev *dev)
return;
spin_lock_irqsave(&pci_io_addr_cache_root.piar_lock, flags);
- __pci_addr_cache_insert_device(dev);
+ __eeh_addr_cache_insert_dev(dev);
spin_unlock_irqrestore(&pci_io_addr_cache_root.piar_lock, flags);
}
-static inline void __pci_addr_cache_remove_device(struct pci_dev *dev)
+static inline void __eeh_addr_cache_rmv_dev(struct pci_dev *dev)
{
struct rb_node *n;
@@ -258,7 +259,7 @@ restart:
}
/**
- * pci_addr_cache_remove_device - remove pci device from addr cache
+ * eeh_addr_cache_rmv_dev - remove pci device from addr cache
* @dev: device to remove
*
* Remove a device from the addr-cache tree.
@@ -266,17 +267,17 @@ restart:
* the tree multiple times (once per resource).
* But so what; device removal doesn't need to be that fast.
*/
-void pci_addr_cache_remove_device(struct pci_dev *dev)
+void eeh_addr_cache_rmv_dev(struct pci_dev *dev)
{
unsigned long flags;
spin_lock_irqsave(&pci_io_addr_cache_root.piar_lock, flags);
- __pci_addr_cache_remove_device(dev);
+ __eeh_addr_cache_rmv_dev(dev);
spin_unlock_irqrestore(&pci_io_addr_cache_root.piar_lock, flags);
}
/**
- * pci_addr_cache_build - Build a cache of I/O addresses
+ * eeh_addr_cache_build - Build a cache of I/O addresses
*
* Build a cache of pci i/o addresses. This cache will be used to
* find the pci device that corresponds to a given address.
@@ -284,7 +285,7 @@ void pci_addr_cache_remove_device(struct pci_dev *dev)
* Must be run late in boot process, after the pci controllers
* have been scanned for devices (after all device resources are known).
*/
-void __init pci_addr_cache_build(void)
+void __init eeh_addr_cache_build(void)
{
struct device_node *dn;
struct eeh_dev *edev;
@@ -293,7 +294,7 @@ void __init pci_addr_cache_build(void)
spin_lock_init(&pci_io_addr_cache_root.piar_lock);
for_each_pci_dev(dev) {
- pci_addr_cache_insert_device(dev);
+ eeh_addr_cache_insert_dev(dev);
dn = pci_device_to_OF_node(dev);
if (!dn)
@@ -312,7 +313,7 @@ void __init pci_addr_cache_build(void)
#ifdef DEBUG
/* Verify tree built up above, echo back the list of addrs. */
- pci_addr_cache_print(&pci_io_addr_cache_root);
+ eeh_addr_cache_print(&pci_io_addr_cache_root);
#endif
}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.