You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
79 lines
2.3 KiB
79 lines
2.3 KiB
/* 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 */
|
|
};
|
|
|
|
/**
|
|
* 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 */
|
|
};
|
|
|
|
/**
|
|
* 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
|