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cpuid.h	4.62 MB	View DL Edit
events.h	828 B	View DL Edit
hypercall.h	13.81 MB	View DL Edit
hypervisor.h	2.57 MB	View DL Edit
interface.h	13.17 MB	View DL Edit
interface_32.h	2.92 MB	View DL Edit
interface_64.h	4.56 MB	View DL Edit
page-coherent.h	678 B	View DL Edit
page.h	9.56 MB	View DL Edit
pci.h	1.77 MB	View DL Edit
swiotlb-xen.h	291 B	View DL Edit
trace_types.h	480 B	View DL Edit

Edit file: /usr/src/kernels/5.14.0-427.31.1.el9_4.x86_64/arch/x86/include/asm/xen/pci.h

/* SPDX-License-Identifier: GPL-2.0 */
#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
#ifdef CONFIG_XEN_PV_DOM0
int __init pci_xen_initial_domain(void);
#else
static inline int __init pci_xen_initial_domain(void)
{
	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 -ENOSYS;
}
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 -ENOSYS;
}
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 */

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