153ba2eeeSMatthew Rosato /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 253ba2eeeSMatthew Rosato /* 353ba2eeeSMatthew Rosato * VFIO Region definitions for ZPCI devices 453ba2eeeSMatthew Rosato * 553ba2eeeSMatthew Rosato * Copyright IBM Corp. 2020 653ba2eeeSMatthew Rosato * 753ba2eeeSMatthew Rosato * Author(s): Pierre Morel <pmorel@linux.ibm.com> 853ba2eeeSMatthew Rosato * Matthew Rosato <mjrosato@linux.ibm.com> 953ba2eeeSMatthew Rosato */ 1053ba2eeeSMatthew Rosato 1153ba2eeeSMatthew Rosato #ifndef _VFIO_ZDEV_H_ 1253ba2eeeSMatthew Rosato #define _VFIO_ZDEV_H_ 1353ba2eeeSMatthew Rosato 1453ba2eeeSMatthew Rosato #include <linux/types.h> 1553ba2eeeSMatthew Rosato #include <linux/vfio.h> 1653ba2eeeSMatthew Rosato 1753ba2eeeSMatthew Rosato /** 1853ba2eeeSMatthew Rosato * VFIO_DEVICE_INFO_CAP_ZPCI_BASE - Base PCI Function information 1953ba2eeeSMatthew Rosato * 2053ba2eeeSMatthew Rosato * This capability provides a set of descriptive information about the 2153ba2eeeSMatthew Rosato * associated PCI function. 2253ba2eeeSMatthew Rosato */ 2353ba2eeeSMatthew Rosato struct vfio_device_info_cap_zpci_base { 2453ba2eeeSMatthew Rosato struct vfio_info_cap_header header; 2553ba2eeeSMatthew Rosato __u64 start_dma; /* Start of available DMA addresses */ 2653ba2eeeSMatthew Rosato __u64 end_dma; /* End of available DMA addresses */ 2753ba2eeeSMatthew Rosato __u16 pchid; /* Physical Channel ID */ 2853ba2eeeSMatthew Rosato __u16 vfn; /* Virtual function number */ 2953ba2eeeSMatthew Rosato __u16 fmb_length; /* Measurement Block Length (in bytes) */ 3053ba2eeeSMatthew Rosato __u8 pft; /* PCI Function Type */ 3153ba2eeeSMatthew Rosato __u8 gid; /* PCI function group ID */ 32*d525f73fSChenyi Qiang /* End of version 1 */ 33*d525f73fSChenyi Qiang __u32 fh; /* PCI function handle */ 34*d525f73fSChenyi Qiang /* End of version 2 */ 3553ba2eeeSMatthew Rosato }; 3653ba2eeeSMatthew Rosato 3753ba2eeeSMatthew Rosato /** 3853ba2eeeSMatthew Rosato * VFIO_DEVICE_INFO_CAP_ZPCI_GROUP - Base PCI Function Group information 3953ba2eeeSMatthew Rosato * 4053ba2eeeSMatthew Rosato * This capability provides a set of descriptive information about the group of 4153ba2eeeSMatthew Rosato * PCI functions that the associated device belongs to. 4253ba2eeeSMatthew Rosato */ 4353ba2eeeSMatthew Rosato struct vfio_device_info_cap_zpci_group { 4453ba2eeeSMatthew Rosato struct vfio_info_cap_header header; 4553ba2eeeSMatthew Rosato __u64 dasm; /* DMA Address space mask */ 4653ba2eeeSMatthew Rosato __u64 msi_addr; /* MSI address */ 4753ba2eeeSMatthew Rosato __u64 flags; 4853ba2eeeSMatthew Rosato #define VFIO_DEVICE_INFO_ZPCI_FLAG_REFRESH 1 /* Program-specified TLB refresh */ 4953ba2eeeSMatthew Rosato __u16 mui; /* Measurement Block Update Interval */ 5053ba2eeeSMatthew Rosato __u16 noi; /* Maximum number of MSIs */ 5153ba2eeeSMatthew Rosato __u16 maxstbl; /* Maximum Store Block Length */ 5253ba2eeeSMatthew Rosato __u8 version; /* Supported PCI Version */ 53*d525f73fSChenyi Qiang /* End of version 1 */ 54*d525f73fSChenyi Qiang __u8 reserved; 55*d525f73fSChenyi Qiang __u16 imaxstbl; /* Maximum Interpreted Store Block Length */ 56*d525f73fSChenyi Qiang /* End of version 2 */ 5753ba2eeeSMatthew Rosato }; 5853ba2eeeSMatthew Rosato 5953ba2eeeSMatthew Rosato /** 6053ba2eeeSMatthew Rosato * VFIO_DEVICE_INFO_CAP_ZPCI_UTIL - Utility String 6153ba2eeeSMatthew Rosato * 6253ba2eeeSMatthew Rosato * This capability provides the utility string for the associated device, which 6353ba2eeeSMatthew Rosato * is a device identifier string made up of EBCDID characters. 'size' specifies 6453ba2eeeSMatthew Rosato * the length of 'util_str'. 6553ba2eeeSMatthew Rosato */ 6653ba2eeeSMatthew Rosato struct vfio_device_info_cap_zpci_util { 6753ba2eeeSMatthew Rosato struct vfio_info_cap_header header; 6853ba2eeeSMatthew Rosato __u32 size; 6953ba2eeeSMatthew Rosato __u8 util_str[]; 7053ba2eeeSMatthew Rosato }; 7153ba2eeeSMatthew Rosato 7253ba2eeeSMatthew Rosato /** 7353ba2eeeSMatthew Rosato * VFIO_DEVICE_INFO_CAP_ZPCI_PFIP - PCI Function Path 7453ba2eeeSMatthew Rosato * 7553ba2eeeSMatthew Rosato * This capability provides the PCI function path string, which is an identifier 7653ba2eeeSMatthew Rosato * that describes the internal hardware path of the device. 'size' specifies 7753ba2eeeSMatthew Rosato * the length of 'pfip'. 7853ba2eeeSMatthew Rosato */ 7953ba2eeeSMatthew Rosato struct vfio_device_info_cap_zpci_pfip { 8053ba2eeeSMatthew Rosato struct vfio_info_cap_header header; 8153ba2eeeSMatthew Rosato __u32 size; 8253ba2eeeSMatthew Rosato __u8 pfip[]; 8353ba2eeeSMatthew Rosato }; 8453ba2eeeSMatthew Rosato 8553ba2eeeSMatthew Rosato #endif 86