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| 1 | /* |
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| 2 | * PCI Frontend - Common data structures & function declarations |
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| 3 | * |
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| 4 | * Author: Ryan Wilson <hap9@epoch.ncsc.mil> |
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| 5 | */ |
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| 6 | #ifndef __XEN_PCIFRONT_H__ |
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| 7 | #define __XEN_PCIFRONT_H__ |
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| 8 | |
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| 9 | #include <linux/spinlock.h> |
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| 10 | #include <linux/pci.h> |
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| 11 | #include <xen/xenbus.h> |
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| 12 | #include <xen/interface/io/pciif.h> |
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| 13 | #include <xen/pcifront.h> |
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| 14 | |
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| 15 | struct pci_bus_entry { |
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| 16 | struct list_head list; |
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| 17 | struct pci_bus *bus; |
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| 18 | }; |
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| 19 | |
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| 20 | struct pcifront_device { |
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| 21 | struct xenbus_device *xdev; |
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| 22 | struct list_head root_buses; |
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| 23 | spinlock_t dev_lock; |
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| 24 | |
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| 25 | int evtchn; |
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| 26 | int gnt_ref; |
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| 27 | |
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| 28 | /* Lock this when doing any operations in sh_info */ |
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| 29 | spinlock_t sh_info_lock; |
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| 30 | struct xen_pci_sharedinfo *sh_info; |
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| 31 | }; |
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| 32 | |
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| 33 | int pcifront_connect(struct pcifront_device *pdev); |
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| 34 | void pcifront_disconnect(struct pcifront_device *pdev); |
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| 35 | |
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| 36 | int pcifront_scan_root(struct pcifront_device *pdev, |
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| 37 | unsigned int domain, unsigned int bus); |
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| 38 | void pcifront_free_roots(struct pcifront_device *pdev); |
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| 39 | |
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| 40 | #endif /* __XEN_PCIFRONT_H__ */ |
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