Edit File: vfio_zdev.h
/* 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