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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /arch/x86/include/asm/xen/pci.h | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'arch/x86/include/asm/xen/pci.h')
-rw-r--r-- | arch/x86/include/asm/xen/pci.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/arch/x86/include/asm/xen/pci.h b/arch/x86/include/asm/xen/pci.h new file mode 100644 index 00000000..968d57dd --- /dev/null +++ b/arch/x86/include/asm/xen/pci.h @@ -0,0 +1,82 @@ +#ifndef _ASM_X86_XEN_PCI_H +#define _ASM_X86_XEN_PCI_H + +#if defined(CONFIG_PCI_XEN) +extern int __init pci_xen_init(void); +extern int __init pci_xen_hvm_init(void); +#define pci_xen 1 +#else +#define pci_xen 0 +#define pci_xen_init (0) +static inline int pci_xen_hvm_init(void) +{ + return -1; +} +#endif +#if defined(CONFIG_XEN_DOM0) +int __init pci_xen_initial_domain(void); +int xen_find_device_domain_owner(struct pci_dev *dev); +int xen_register_device_domain_owner(struct pci_dev *dev, uint16_t domain); +int xen_unregister_device_domain_owner(struct pci_dev *dev); +#else +static inline int __init pci_xen_initial_domain(void) +{ + return -1; +} +static inline int xen_find_device_domain_owner(struct pci_dev *dev) +{ + return -1; +} +static inline int xen_register_device_domain_owner(struct pci_dev *dev, + uint16_t domain) +{ + return -1; +} +static inline int xen_unregister_device_domain_owner(struct pci_dev *dev) +{ + return -1; +} +#endif + +#if defined(CONFIG_PCI_MSI) +#if defined(CONFIG_PCI_XEN) +/* The drivers/pci/xen-pcifront.c sets this structure to + * its own functions. + */ +struct xen_pci_frontend_ops { + int (*enable_msi)(struct pci_dev *dev, int vectors[]); + void (*disable_msi)(struct pci_dev *dev); + int (*enable_msix)(struct pci_dev *dev, int vectors[], int nvec); + void (*disable_msix)(struct pci_dev *dev); +}; + +extern struct xen_pci_frontend_ops *xen_pci_frontend; + +static inline int xen_pci_frontend_enable_msi(struct pci_dev *dev, + int vectors[]) +{ + if (xen_pci_frontend && xen_pci_frontend->enable_msi) + return xen_pci_frontend->enable_msi(dev, vectors); + return -ENODEV; +} +static inline void xen_pci_frontend_disable_msi(struct pci_dev *dev) +{ + if (xen_pci_frontend && xen_pci_frontend->disable_msi) + xen_pci_frontend->disable_msi(dev); +} +static inline int xen_pci_frontend_enable_msix(struct pci_dev *dev, + int vectors[], int nvec) +{ + if (xen_pci_frontend && xen_pci_frontend->enable_msix) + return xen_pci_frontend->enable_msix(dev, vectors, nvec); + return -ENODEV; +} +static inline void xen_pci_frontend_disable_msix(struct pci_dev *dev) +{ + if (xen_pci_frontend && xen_pci_frontend->disable_msix) + xen_pci_frontend->disable_msix(dev); +} +#endif /* CONFIG_PCI_XEN */ +#endif /* CONFIG_PCI_MSI */ + +#endif /* _ASM_X86_XEN_PCI_H */ |