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Edit File : vfio_zdev.h \| Size : 2.48 KB
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note / / * VFIO Region definitions for ZPCI devices * * Copyright IBM Corp. 2020 * * Author(s): Pierre Morel <pmorel@linux.ibm.com> * Matthew Rosato <mjrosato@linux.ibm.com> / #ifndef _VFIO_ZDEV_H_ #define _VFIO_ZDEV_H_ #include <linux/types.h> #include <linux/vfio.h> /* * VFIO_DEVICE_INFO_CAP_ZPCI_BASE - Base PCI Function information * * This capability provides a set of descriptive information about the * associated PCI function. / struct vfio_device_info_cap_zpci_base { struct vfio_info_cap_header header; __u64 start_dma; / Start of available DMA addresses / __u64 end_dma; / End of available DMA addresses / __u16 pchid; / Physical Channel ID / __u16 vfn; / Virtual function number / __u16 fmb_length; / Measurement Block Length (in bytes) / __u8 pft; / PCI Function Type / __u8 gid; / PCI function group ID / / End of version 1 / __u32 fh; / PCI function handle / / End of version 2 / }; /* * VFIO_DEVICE_INFO_CAP_ZPCI_GROUP - Base PCI Function Group information * * This capability provides a set of descriptive information about the group of * PCI functions that the associated device belongs to. / struct vfio_device_info_cap_zpci_group { struct vfio_info_cap_header header; __u64 dasm; / DMA Address space mask / __u64 msi_addr; / MSI address / __u64 flags; #define VFIO_DEVICE_INFO_ZPCI_FLAG_REFRESH 1 / Program-specified TLB refresh / __u16 mui; / Measurement Block Update Interval / __u16 noi; / Maximum number of MSIs / __u16 maxstbl; / Maximum Store Block Length / __u8 version; / Supported PCI Version / / End of version 1 / __u8 reserved; __u16 imaxstbl; / Maximum Interpreted Store Block Length / / End of version 2 / }; /* * VFIO_DEVICE_INFO_CAP_ZPCI_UTIL - Utility String * * This capability provides the utility string for the associated device, which * is a device identifier string made up of EBCDID characters. 'size' specifies * the length of 'util_str'. / struct vfio_device_info_cap_zpci_util { struct vfio_info_cap_header header; __u32 size; __u8 util_str[]; }; /* * VFIO_DEVICE_INFO_CAP_ZPCI_PFIP - PCI Function Path * * This capability provides the PCI function path string, which is an identifier * that describes the internal hardware path of the device. 'size' specifies * the length of 'pfip'. */ struct vfio_device_info_cap_zpci_pfip { struct vfio_info_cap_header header; __u32 size; __u8 pfip[]; }; #endif Back

Edit File : vfio_zdev.h | Size : 2.48 KB

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * VFIO Region definitions for ZPCI devices
 *
 * Copyright IBM Corp. 2020
 *
 * Author(s): Pierre Morel <pmorel@linux.ibm.com>
 *            Matthew Rosato <mjrosato@linux.ibm.com>
 */

#ifndef _VFIO_ZDEV_H_
#define _VFIO_ZDEV_H_

#include <linux/types.h>
#include <linux/vfio.h>

/**
 * VFIO_DEVICE_INFO_CAP_ZPCI_BASE - Base PCI Function information
 *
 * This capability provides a set of descriptive information about the
 * associated PCI function.
 */
struct vfio_device_info_cap_zpci_base {
	struct vfio_info_cap_header header;
	__u64 start_dma;	/* Start of available DMA addresses */
	__u64 end_dma;		/* End of available DMA addresses */
	__u16 pchid;		/* Physical Channel ID */
	__u16 vfn;		/* Virtual function number */
	__u16 fmb_length;	/* Measurement Block Length (in bytes) */
	__u8 pft;		/* PCI Function Type */
	__u8 gid;		/* PCI function group ID */
	/* End of version 1 */
	__u32 fh;		/* PCI function handle */
	/* End of version 2 */
};

/**
 * VFIO_DEVICE_INFO_CAP_ZPCI_GROUP - Base PCI Function Group information
 *
 * This capability provides a set of descriptive information about the group of
 * PCI functions that the associated device belongs to.
 */
struct vfio_device_info_cap_zpci_group {
	struct vfio_info_cap_header header;
	__u64 dasm;		/* DMA Address space mask */
	__u64 msi_addr;		/* MSI address */
	__u64 flags;
#define VFIO_DEVICE_INFO_ZPCI_FLAG_REFRESH 1 /* Program-specified TLB refresh */
	__u16 mui;		/* Measurement Block Update Interval */
	__u16 noi;		/* Maximum number of MSIs */
	__u16 maxstbl;		/* Maximum Store Block Length */
	__u8 version;		/* Supported PCI Version */
	/* End of version 1 */
	__u8 reserved;
	__u16 imaxstbl;		/* Maximum Interpreted Store Block Length */
	/* End of version 2 */
};

/**
 * VFIO_DEVICE_INFO_CAP_ZPCI_UTIL - Utility String
 *
 * This capability provides the utility string for the associated device, which
 * is a device identifier string made up of EBCDID characters.  'size' specifies
 * the length of 'util_str'.
 */
struct vfio_device_info_cap_zpci_util {
	struct vfio_info_cap_header header;
	__u32 size;
	__u8 util_str[];
};

/**
 * VFIO_DEVICE_INFO_CAP_ZPCI_PFIP - PCI Function Path
 *
 * This capability provides the PCI function path string, which is an identifier
 * that describes the internal hardware path of the device. 'size' specifies
 * the length of 'pfip'.
 */
struct vfio_device_info_cap_zpci_pfip {
	struct vfio_info_cap_header header;
	__u32 size;
	__u8 pfip[];
};

#endif

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