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[IA64] hotplug/ia64: SN Hotplug Driver - SN Hotplug Driver code

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This patch is the SGI hotplug driver and additional changes required for
the driver.  These modifications include changes to the SN io_init.c code
for memory management, the inclusion of new SAL calls to enable and disable
PCI slots, and a hotplug-style driver.

Signed-off-by: Prarit Bhargava <[email protected]>
Signed-off-by: Tony Luck <[email protected]>
This commit is contained in:
Prarit Bhargava 2005-07-06 15:29:53 -07:00 • committed by Tony Luck
commit 6f354b014b
8 changed files with 754 additions and 50 deletions
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4
include/asm-ia64/sn/pcibr_provider.h
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@ -151,4 +151,8 @@ extern void pcibr_change_devices_irq(struct sn_irq_info *sn_irq_info);
extern int pcibr_ate_alloc(struct pcibus_info *, int);
extern void pcibr_ate_free(struct pcibus_info *, int);
extern void ate_write(struct pcibus_info *, int, int, uint64_t);
extern int sal_pcibr_slot_enable(struct pcibus_info *soft, int device,
void *resp);
extern int sal_pcibr_slot_disable(struct pcibus_info *soft, int device,
int action, void *resp);
#endif

6
include/asm-ia64/sn/pcidev.h
View file

@ -23,6 +23,8 @@
#define SN_PCIBUS_BUSSOFT(pci_bus) \
((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data))
#define SN_PCIBUS_BUSSOFT_INFO(pci_bus) \
(struct pcibus_info *)((struct pcibus_bussoft *)(PCI_CONTROLLER((pci_bus))->platform_data))
/*
* Given a struct pci_dev, return the sn pcibus_bussoft struct. Note
* that this is not equivalent to SN_PCIBUS_BUSSOFT(pci_dev->bus) due
@ -56,6 +58,10 @@ struct pcidev_info {
extern void sn_irq_fixup(struct pci_dev *pci_dev,
struct sn_irq_info *sn_irq_info);
extern void sn_irq_unfixup(struct pci_dev *pci_dev);
extern void sn_pci_controller_fixup(int segment, int busnum,
struct pci_bus *bus);
extern void sn_bus_store_sysdata(struct pci_dev *dev);
extern void sn_bus_free_sysdata(void);
extern void sn_pci_fixup_slot(struct pci_dev *dev);
extern void sn_pci_unfixup_slot(struct pci_dev *dev);
extern void sn_irq_lh_init(void);