OXIESEC PANEL

Name	Size	Modified	Perms
📁 ..	-	02/08/2025 12:05:41 AM	rwxr-xr-x
📄 a.out.h	6.73 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 acct.h	3.65 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 adb.h	1.11 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 adfs_fs.h	936 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 affs_hardblocks.h	1.51 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 agpgart.h	3.85 KB	01/09/2025 04:52:07 PM	rw-r--r--
📄 aio_abi.h	3.34 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 am437x-vpfe.h	3.59 KB	01/09/2025 04:52:13 PM	rw-r--r--
📁 android	-	02/07/2025 07:47:47 PM	rwxr-xr-x
📄 apm_bios.h	3.6 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 arcfb.h	213 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 arm_sdei.h	2.69 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 aspeed-lpc-ctrl.h	1.74 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 atalk.h	1023 bytes	01/09/2025 04:52:06 PM	rw-r--r--
📄 atm.h	7.7 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 atm_eni.h	648 bytes	01/09/2025 04:52:05 PM	rw-r--r--
📄 atm_he.h	406 bytes	01/09/2025 04:52:09 PM	rw-r--r--
📄 atm_idt77105.h	955 bytes	01/09/2025 04:52:08 PM	rw-r--r--
📄 atm_nicstar.h	1.25 KB	01/09/2025 04:52:04 PM	rw-r--r--
📄 atm_tcp.h	1.58 KB	01/09/2025 04:52:11 PM	rw-r--r--
📄 atm_zatm.h	1.5 KB	01/09/2025 04:52:14 PM	rw-r--r--
📄 atmapi.h	952 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 atmarp.h	1.27 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 atmbr2684.h	3.19 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 atmclip.h	576 bytes	01/09/2025 04:52:05 PM	rw-r--r--
📄 atmdev.h	7.5 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 atmioc.h	1.61 KB	01/09/2025 04:52:08 PM	rw-r--r--
📄 atmlec.h	2.33 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 atmmpc.h	4.13 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 atmppp.h	639 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 atmsap.h	4.85 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 atmsvc.h	1.81 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 audit.h	19.92 KB	01/09/2025 04:52:07 PM	rw-r--r--
📄 auto_dev-ioctl.h	4.87 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 auto_fs.h	6.28 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 auto_fs4.h	451 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 auxvec.h	1.56 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 ax25.h	2.76 KB	01/09/2025 04:52:14 PM	rw-r--r--
📄 b1lli.h	1.68 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 batadv_packet.h	20.01 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 batman_adv.h	11.7 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 baycom.h	883 bytes	01/09/2025 04:52:05 PM	rw-r--r--
📄 bcache.h	8.17 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 bcm933xx_hcs.h	419 bytes	01/09/2025 04:52:05 PM	rw-r--r--
📄 bfs_fs.h	1.85 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 binfmts.h	628 bytes	01/09/2025 04:52:11 PM	rw-r--r--
📄 blkpg.h	904 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 blktrace_api.h	4.59 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 blkzoned.h	6.45 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 bpf.h	223.3 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 bpf_common.h	1.33 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 bpf_perf_event.h	529 bytes	01/09/2025 04:52:12 PM	rw-r--r--
📄 bpfilter.h	465 bytes	01/09/2025 04:52:06 PM	rw-r--r--
📄 bpqether.h	981 bytes	01/09/2025 04:52:10 PM	rw-r--r--
📄 bsg.h	2.44 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 bt-bmc.h	572 bytes	01/09/2025 04:52:10 PM	rw-r--r--
📄 btf.h	4.68 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 btrfs.h	28.24 KB	01/09/2025 04:52:07 PM	rw-r--r--
📄 btrfs_tree.h	24.69 KB	01/09/2025 04:52:12 PM	rw-r--r--
📁 byteorder	-	02/07/2025 07:47:47 PM	rwxr-xr-x
📁 caif	-	02/07/2025 07:47:47 PM	rwxr-xr-x
📁 can	-	02/07/2025 07:47:47 PM	rwxr-xr-x
📄 can.h	7.7 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 capability.h	13.2 KB	01/09/2025 04:52:04 PM	rw-r--r--
📄 capi.h	3.05 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 cciss_defs.h	3.2 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 cciss_ioctl.h	2.7 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 cdrom.h	28.18 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 cec-funcs.h	52.64 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 cec.h	36.81 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 cfm_bridge.h	1.42 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 cgroupstats.h	2.17 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 chio.h	5.22 KB	01/09/2025 04:52:08 PM	rw-r--r--
📁 cifs	-	02/07/2025 07:47:47 PM	rwxr-xr-x
📄 close_range.h	377 bytes	01/09/2025 04:52:10 PM	rw-r--r--
📄 cm4000_cs.h	1.76 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 cn_proc.h	3.38 KB	01/09/2025 04:52:09 PM	rw-r--r--
📄 coda.h	17.09 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 coda_psdev.h	783 bytes	01/09/2025 04:52:10 PM	rw-r--r--
📄 coff.h	12.18 KB	01/09/2025 04:52:04 PM	rw-r--r--
📄 connector.h	2.2 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 const.h	788 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 coresight-stm.h	674 bytes	01/09/2025 04:52:12 PM	rw-r--r--
📄 cramfs_fs.h	3.47 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 cryptouser.h	3.31 KB	01/09/2025 04:52:07 PM	rw-r--r--
📄 cuda.h	905 bytes	01/09/2025 04:52:10 PM	rw-r--r--
📄 cyclades.h	16.71 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 cycx_cfm.h	2.92 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 dcbnl.h	24.65 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 dccp.h	6.29 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 devlink.h	21.05 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 dlm.h	2.49 KB	01/09/2025 04:52:07 PM	rw-r--r--
📄 dlm_device.h	2.48 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 dlm_netlink.h	1.13 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 dlm_plock.h	894 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 dlmconstants.h	4.96 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 dm-ioctl.h	11.13 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 dm-log-userspace.h	14.83 KB	01/09/2025 04:52:08 PM	rw-r--r--
📄 dma-buf.h	5.12 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 dn.h	4.53 KB	01/09/2025 04:52:14 PM	rw-r--r--
📄 dqblk_xfs.h	9.03 KB	01/09/2025 04:52:06 PM	rw-r--r--
📁 dvb	-	02/07/2025 07:47:47 PM	rwxr-xr-x
📄 edd.h	5.47 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 efs_fs_sb.h	2.17 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 elf-em.h	2.14 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 elf-fdpic.h	1.1 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 elf.h	13.16 KB	01/09/2025 04:52:07 PM	rw-r--r--
📄 elfcore.h	2.92 KB	01/09/2025 04:52:04 PM	rw-r--r--
📄 errno.h	23 bytes	01/09/2025 04:52:06 PM	rw-r--r--
📄 errqueue.h	1.44 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 erspan.h	1.03 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 ethtool.h	81.89 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 ethtool_netlink.h	22.29 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 eventpoll.h	2.67 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 fadvise.h	842 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 falloc.h	3.5 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 fanotify.h	5.22 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 fb.h	16.09 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 fcntl.h	4.08 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 fd.h	11.4 KB	01/09/2025 04:52:08 PM	rw-r--r--
📄 fdreg.h	5.29 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 fib_rules.h	1.99 KB	01/09/2025 04:52:04 PM	rw-r--r--
📄 fiemap.h	2.71 KB	01/09/2025 04:52:07 PM	rw-r--r--
📄 filter.h	2.16 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 firewire-cdev.h	42.86 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 firewire-constants.h	3.16 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 flat.h	2.1 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 fou.h	694 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 fpga-dfl.h	8.52 KB	01/09/2025 04:52:08 PM	rw-r--r--
📄 fs.h	13.11 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 fsl_hypervisor.h	7.13 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 fsmap.h	4.29 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 fuse.h	22.92 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 futex.h	4.88 KB	01/09/2025 04:52:14 PM	rw-r--r--
📄 gameport.h	897 bytes	01/09/2025 04:52:12 PM	rw-r--r--
📄 gen_stats.h	1.49 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 genetlink.h	2.12 KB	01/09/2025 04:52:10 PM	rw-r--r--
📁 genwqe	-	02/07/2025 07:47:47 PM	rwxr-xr-x
📄 gfs2_ondisk.h	14.4 KB	01/09/2025 04:52:09 PM	rw-r--r--
📄 gigaset_dev.h	1.41 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 gpio.h	6.59 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 gsmmux.h	1.02 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 gtp.h	681 bytes	01/09/2025 04:52:05 PM	rw-r--r--
📄 hash_info.h	921 bytes	01/09/2025 04:52:07 PM	rw-r--r--
📁 hdlc	-	02/07/2025 07:47:47 PM	rwxr-xr-x
📄 hdlc.h	637 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 hdlcdrv.h	2.84 KB	01/09/2025 04:52:04 PM	rw-r--r--
📄 hdreg.h	22.17 KB	01/09/2025 04:52:09 PM	rw-r--r--
📄 hid.h	1.86 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 hiddev.h	6.2 KB	01/09/2025 04:52:11 PM	rw-r--r--
📄 hidraw.h	1.95 KB	01/09/2025 04:52:08 PM	rw-r--r--
📄 hpet.h	743 bytes	01/09/2025 04:52:05 PM	rw-r--r--
📁 hsi	-	02/07/2025 07:47:47 PM	rwxr-xr-x
📄 hsr_netlink.h	1.06 KB	01/09/2025 04:52:14 PM	rw-r--r--
📄 hw_breakpoint.h	742 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 hyperv.h	10.89 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 hysdn_if.h	1.35 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 i2c-dev.h	2.55 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 i2c.h	6.96 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 i2o-dev.h	11.28 KB	01/09/2025 04:52:08 PM	rw-r--r--
📄 i8k.h	1.49 KB	01/09/2025 04:52:11 PM	rw-r--r--
📄 icmp.h	2.91 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 icmpv6.h	3.94 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 idxd.h	8.22 KB	01/09/2025 04:52:04 PM	rw-r--r--
📄 if.h	10.65 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 if_addr.h	1.84 KB	01/09/2025 04:52:09 PM	rw-r--r--
📄 if_addrlabel.h	721 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 if_alg.h	946 bytes	01/09/2025 04:52:08 PM	rw-r--r--
📄 if_arcnet.h	3.63 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 if_arp.h	6.42 KB	01/09/2025 04:52:09 PM	rw-r--r--
📄 if_bonding.h	5.17 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 if_bridge.h	19.06 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 if_cablemodem.h	986 bytes	01/09/2025 04:52:10 PM	rw-r--r--
📄 if_eql.h	1.32 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 if_ether.h	8.05 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 if_fc.h	1.7 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 if_fddi.h	3.66 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 if_frad.h	2.95 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 if_hippi.h	4.14 KB	01/09/2025 04:52:04 PM	rw-r--r--
📄 if_infiniband.h	1.22 KB	01/09/2025 04:52:08 PM	rw-r--r--
📄 if_link.h	30.28 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 if_ltalk.h	210 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 if_macsec.h	5.7 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 if_packet.h	7.73 KB	01/09/2025 04:52:08 PM	rw-r--r--
📄 if_phonet.h	424 bytes	01/09/2025 04:52:05 PM	rw-r--r--
📄 if_plip.h	660 bytes	01/09/2025 04:52:05 PM	rw-r--r--
📄 if_ppp.h	29 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 if_pppol2tp.h	3.21 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 if_pppox.h	4.76 KB	01/09/2025 04:52:07 PM	rw-r--r--
📄 if_slip.h	872 bytes	01/09/2025 04:52:05 PM	rw-r--r--
📄 if_team.h	2.54 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 if_tun.h	4 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 if_tunnel.h	4.41 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 if_vlan.h	1.79 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 if_x25.h	881 bytes	01/09/2025 04:52:09 PM	rw-r--r--
📄 if_xdp.h	2.94 KB	01/09/2025 04:52:14 PM	rw-r--r--
📄 ife.h	351 bytes	01/09/2025 04:52:06 PM	rw-r--r--
📄 igmp.h	2.99 KB	01/09/2025 04:52:09 PM	rw-r--r--
📁 iio	-	02/07/2025 07:47:47 PM	rwxr-xr-x
📄 ila.h	1.22 KB	01/09/2025 04:52:09 PM	rw-r--r--
📄 in.h	9.78 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 in6.h	7.26 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 in_route.h	936 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 inet_diag.h	4.56 KB	01/09/2025 04:52:04 PM	rw-r--r--
📄 inotify.h	3.21 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 input-event-codes.h	27.94 KB	01/09/2025 04:52:08 PM	rw-r--r--
📄 input.h	15.61 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 io_uring.h	6.06 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 ioctl.h	163 bytes	01/09/2025 04:52:05 PM	rw-r--r--
📄 iommu.h	4.79 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 ip.h	4.62 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 ip6_tunnel.h	1.91 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 ip_vs.h	13.31 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 ipc.h	2.05 KB	01/09/2025 04:52:11 PM	rw-r--r--
📄 ipmi.h	15.08 KB	01/09/2025 04:52:07 PM	rw-r--r--
📄 ipmi_bmc.h	464 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 ipmi_msgdefs.h	3.35 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 ipmi_ssif_bmc.h	441 bytes	01/09/2025 04:52:04 PM	rw-r--r--
📄 ipsec.h	947 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 ipv6.h	3.87 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 ipv6_route.h	1.86 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 ipx.h	2.29 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 irqnr.h	104 bytes	01/09/2025 04:52:05 PM	rw-r--r--
📁 isdn	-	02/07/2025 07:47:47 PM	rwxr-xr-x
📄 isdn.h	5.64 KB	01/09/2025 04:52:07 PM	rw-r--r--
📄 isdn_divertif.h	1.17 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 isdn_ppp.h	1.88 KB	01/09/2025 04:52:11 PM	rw-r--r--
📄 isdnif.h	2.31 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 iso_fs.h	6.33 KB	01/09/2025 04:52:08 PM	rw-r--r--
📄 isst_if.h	5.26 KB	01/09/2025 04:52:07 PM	rw-r--r--
📄 ivtv.h	2.95 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 ivtvfb.h	1.18 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 jffs2.h	6.85 KB	01/09/2025 04:52:08 PM	rw-r--r--
📄 joystick.h	3.35 KB	01/09/2025 04:52:13 PM	rw-r--r--
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📄 l2tp.h	5.46 KB	01/09/2025 04:52:09 PM	rw-r--r--
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📄 limits.h	937 bytes	01/09/2025 04:52:06 PM	rw-r--r--
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📄 map_to_7segment.h	7.08 KB	01/09/2025 04:52:05 PM	rw-r--r--
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📄 mdio.h	16.87 KB	01/09/2025 04:52:06 PM	rw-r--r--
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📄 mic_common.h	6.37 KB	01/09/2025 04:52:10 PM	rw-r--r--
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📄 mman.h	1.35 KB	01/09/2025 04:52:09 PM	rw-r--r--
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📄 mmtimer.h	2.07 KB	01/09/2025 04:52:04 PM	rw-r--r--
📄 module.h	255 bytes	01/09/2025 04:52:04 PM	rw-r--r--
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📄 mptcp.h	5.48 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 mqueue.h	2.15 KB	01/09/2025 04:52:12 PM	rw-r--r--
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📄 mrp_bridge.h	1.67 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 msdos_fs.h	6.8 KB	01/09/2025 04:52:08 PM	rw-r--r--
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📄 mtio.h	7.98 KB	01/09/2025 04:52:13 PM	rw-r--r--
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📄 ndctl.h	6.71 KB	01/09/2025 04:52:10 PM	rw-r--r--
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📄 netdevice.h	2.2 KB	01/09/2025 04:52:10 PM	rw-r--r--
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📁 netfilter_arp	-	02/07/2025 07:47:47 PM	rwxr-xr-x
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📁 netfilter_bridge	-	02/07/2025 07:47:47 PM	rwxr-xr-x
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📄 netfilter_decnet.h	1.93 KB	01/09/2025 04:52:05 PM	rw-r--r--
📁 netfilter_ipv4	-	02/07/2025 07:47:47 PM	rwxr-xr-x
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📁 netfilter_ipv6	-	02/07/2025 07:47:47 PM	rwxr-xr-x
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📄 netrom.h	807 bytes	01/09/2025 04:52:12 PM	rw-r--r--
📄 nexthop.h	1.5 KB	01/09/2025 04:52:05 PM	rw-r--r--
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📄 nfsacl.h	718 bytes	01/09/2025 04:52:06 PM	rw-r--r--
📁 nfsd	-	02/07/2025 07:47:47 PM	rwxr-xr-x
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📄 nilfs2_ondisk.h	17.61 KB	01/09/2025 04:52:12 PM	rw-r--r--
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📄 nl80211.h	327.41 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 nsfs.h	639 bytes	01/09/2025 04:52:10 PM	rw-r--r--
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📄 openat2.h	1.26 KB	01/09/2025 04:52:04 PM	rw-r--r--
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📄 radeonfb.h	360 bytes	01/09/2025 04:52:10 PM	rw-r--r--
📁 raid	-	02/07/2025 07:47:47 PM	rwxr-xr-x
📄 random.h	1.34 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 raw.h	365 bytes	01/09/2025 04:52:14 PM	rw-r--r--
📄 rds.h	9.08 KB	01/09/2025 04:52:08 PM	rw-r--r--
📄 reboot.h	1.31 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 reiserfs_fs.h	775 bytes	01/09/2025 04:52:04 PM	rw-r--r--
📄 reiserfs_xattr.h	533 bytes	01/09/2025 04:52:10 PM	rw-r--r--
📄 resource.h	2.29 KB	01/09/2025 04:52:14 PM	rw-r--r--
📄 rfkill.h	6.45 KB	01/09/2025 04:52:07 PM	rw-r--r--
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📄 rio_mport_cdev.h	9.11 KB	01/09/2025 04:52:10 PM	rw-r--r--
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📄 rpmsg.h	544 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 rseq.h	4.79 KB	01/09/2025 04:52:07 PM	rw-r--r--
📄 rtc.h	3.92 KB	01/09/2025 04:52:06 PM	rw-r--r--
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📄 rxrpc.h	4.96 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 scc.h	4.49 KB	01/09/2025 04:52:06 PM	rw-r--r--
📁 sched	-	02/07/2025 07:47:47 PM	rwxr-xr-x
📄 sched.h	2.73 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 scif_ioctl.h	6.23 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 screen_info.h	2.42 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 sctp.h	35.15 KB	01/09/2025 04:52:08 PM	rw-r--r--
📄 sdla.h	2.77 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 seccomp.h	2.2 KB	01/09/2025 04:52:14 PM	rw-r--r--
📄 securebits.h	2.64 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 sed-opal.h	3.2 KB	01/09/2025 04:52:05 PM	rw-r--r--
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📄 seg6_genl.h	589 bytes	01/09/2025 04:52:10 PM	rw-r--r--
📄 seg6_hmac.h	423 bytes	01/09/2025 04:52:13 PM	rw-r--r--
📄 seg6_iptunnel.h	927 bytes	01/09/2025 04:52:10 PM	rw-r--r--
📄 seg6_local.h	2.01 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 selinux_netlink.h	1.17 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 sem.h	2.97 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 serial.h	3.78 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 serial_core.h	6.1 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 serial_reg.h	15.13 KB	01/09/2025 04:52:06 PM	rw-r--r--
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📄 shm.h	3.7 KB	01/09/2025 04:52:13 PM	rw-r--r--
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📄 signalfd.h	1.2 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 smc.h	8.31 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 smc_diag.h	2.66 KB	01/09/2025 04:52:06 PM	rw-r--r--
📄 smiapp.h	1.03 KB	01/09/2025 04:52:12 PM	rw-r--r--
📄 snmp.h	13.34 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 sock_diag.h	1.27 KB	01/09/2025 04:52:06 PM	rw-r--r--
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📄 sockios.h	5.96 KB	01/09/2025 04:52:13 PM	rw-r--r--
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📄 soundcard.h	44.96 KB	01/09/2025 04:52:13 PM	rw-r--r--
📁 spi	-	02/07/2025 07:47:47 PM	rwxr-xr-x
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📄 stddef.h	1.5 KB	01/09/2025 04:52:07 PM	rw-r--r--
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📁 sunrpc	-	02/07/2025 07:47:47 PM	rwxr-xr-x
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📄 swab.h	6.76 KB	01/09/2025 04:52:11 PM	rw-r--r--
📄 switchtec_ioctl.h	5.14 KB	01/09/2025 04:52:05 PM	rw-r--r--
📄 sync_file.h	2.82 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 synclink.h	8.77 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 sysctl.h	25.24 KB	01/09/2025 04:52:09 PM	rw-r--r--
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📄 target_core_user.h	4.52 KB	01/09/2025 04:52:13 PM	rw-r--r--
📄 taskstats.h	7.01 KB	01/09/2025 04:52:14 PM	rw-r--r--
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📄 tcp.h	9.69 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 tcp_metrics.h	1.51 KB	01/09/2025 04:52:10 PM	rw-r--r--
📄 tdx-guest.h	1.27 KB	01/09/2025 04:52:12 PM	rw-r--r--
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📄 timerfd.h	936 bytes	01/09/2025 04:52:04 PM	rw-r--r--
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📄 tipc_config.h	14.36 KB	01/09/2025 04:52:12 PM	rw-r--r--
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Editing: vfio.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * VFIO API definition
 *
 * Copyright (C) 2012 Red Hat, Inc.  All rights reserved.
 *     Author: Alex Williamson <alex.williamson@redhat.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef VFIO_H
#define VFIO_H

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

#define VFIO_API_VERSION	0

/* Kernel & User level defines for VFIO IOCTLs. */

/* Extensions */

#define VFIO_TYPE1_IOMMU		1
#define VFIO_SPAPR_TCE_IOMMU		2
#define VFIO_TYPE1v2_IOMMU		3
/*
 * IOMMU enforces DMA cache coherence (ex. PCIe NoSnoop stripping).  This
 * capability is subject to change as groups are added or removed.
 */
#define VFIO_DMA_CC_IOMMU		4

/* Check if EEH is supported */
#define VFIO_EEH			5

/* Two-stage IOMMU */
#define VFIO_TYPE1_NESTING_IOMMU	6	/* Implies v2 */

#define VFIO_SPAPR_TCE_v2_IOMMU		7

/*
 * The No-IOMMU IOMMU offers no translation or isolation for devices and
 * supports no ioctls outside of VFIO_CHECK_EXTENSION.  Use of VFIO's No-IOMMU
 * code will taint the host kernel and should be used with extreme caution.
 */
#define VFIO_NOIOMMU_IOMMU		8

/*
 * The IOCTL interface is designed for extensibility by embedding the
 * structure length (argsz) and flags into structures passed between
 * kernel and userspace.  We therefore use the _IO() macro for these
 * defines to avoid implicitly embedding a size into the ioctl request.
 * As structure fields are added, argsz will increase to match and flag
 * bits will be defined to indicate additional fields with valid data.
 * It's *always* the caller's responsibility to indicate the size of
 * the structure passed by setting argsz appropriately.
 */

#define VFIO_TYPE	(';')
#define VFIO_BASE	100

/*
 * For extension of INFO ioctls, VFIO makes use of a capability chain
 * designed after PCI/e capabilities.  A flag bit indicates whether
 * this capability chain is supported and a field defined in the fixed
 * structure defines the offset of the first capability in the chain.
 * This field is only valid when the corresponding bit in the flags
 * bitmap is set.  This offset field is relative to the start of the
 * INFO buffer, as is the next field within each capability header.
 * The id within the header is a shared address space per INFO ioctl,
 * while the version field is specific to the capability id.  The
 * contents following the header are specific to the capability id.
 */
struct vfio_info_cap_header {
	__u16	id;		/* Identifies capability */
	__u16	version;	/* Version specific to the capability ID */
	__u32	next;		/* Offset of next capability */
};

/*
 * Callers of INFO ioctls passing insufficiently sized buffers will see
 * the capability chain flag bit set, a zero value for the first capability
 * offset (if available within the provided argsz), and argsz will be
 * updated to report the necessary buffer size.  For compatibility, the
 * INFO ioctl will not report error in this case, but the capability chain
 * will not be available.
 */

/* -------- IOCTLs for VFIO file descriptor (/dev/vfio/vfio) -------- */

/**
 * VFIO_GET_API_VERSION - _IO(VFIO_TYPE, VFIO_BASE + 0)
 *
 * Report the version of the VFIO API.  This allows us to bump the entire
 * API version should we later need to add or change features in incompatible
 * ways.
 * Return: VFIO_API_VERSION
 * Availability: Always
 */
#define VFIO_GET_API_VERSION		_IO(VFIO_TYPE, VFIO_BASE + 0)

/**
 * VFIO_CHECK_EXTENSION - _IOW(VFIO_TYPE, VFIO_BASE + 1, __u32)
 *
 * Check whether an extension is supported.
 * Return: 0 if not supported, 1 (or some other positive integer) if supported.
 * Availability: Always
 */
#define VFIO_CHECK_EXTENSION		_IO(VFIO_TYPE, VFIO_BASE + 1)

/**
 * VFIO_SET_IOMMU - _IOW(VFIO_TYPE, VFIO_BASE + 2, __s32)
 *
 * Set the iommu to the given type.  The type must be supported by an
 * iommu driver as verified by calling CHECK_EXTENSION using the same
 * type.  A group must be set to this file descriptor before this
 * ioctl is available.  The IOMMU interfaces enabled by this call are
 * specific to the value set.
 * Return: 0 on success, -errno on failure
 * Availability: When VFIO group attached
 */
#define VFIO_SET_IOMMU			_IO(VFIO_TYPE, VFIO_BASE + 2)

/* -------- IOCTLs for GROUP file descriptors (/dev/vfio/$GROUP) -------- */

/**
 * VFIO_GROUP_GET_STATUS - _IOR(VFIO_TYPE, VFIO_BASE + 3,
 *						struct vfio_group_status)
 *
 * Retrieve information about the group.  Fills in provided
 * struct vfio_group_info.  Caller sets argsz.
 * Return: 0 on succes, -errno on failure.
 * Availability: Always
 */
struct vfio_group_status {
	__u32	argsz;
	__u32	flags;
#define VFIO_GROUP_FLAGS_VIABLE		(1 << 0)
#define VFIO_GROUP_FLAGS_CONTAINER_SET	(1 << 1)
};
#define VFIO_GROUP_GET_STATUS		_IO(VFIO_TYPE, VFIO_BASE + 3)

/**
 * VFIO_GROUP_SET_CONTAINER - _IOW(VFIO_TYPE, VFIO_BASE + 4, __s32)
 *
 * Set the container for the VFIO group to the open VFIO file
 * descriptor provided.  Groups may only belong to a single
 * container.  Containers may, at their discretion, support multiple
 * groups.  Only when a container is set are all of the interfaces
 * of the VFIO file descriptor and the VFIO group file descriptor
 * available to the user.
 * Return: 0 on success, -errno on failure.
 * Availability: Always
 */
#define VFIO_GROUP_SET_CONTAINER	_IO(VFIO_TYPE, VFIO_BASE + 4)

/**
 * VFIO_GROUP_UNSET_CONTAINER - _IO(VFIO_TYPE, VFIO_BASE + 5)
 *
 * Remove the group from the attached container.  This is the
 * opposite of the SET_CONTAINER call and returns the group to
 * an initial state.  All device file descriptors must be released
 * prior to calling this interface.  When removing the last group
 * from a container, the IOMMU will be disabled and all state lost,
 * effectively also returning the VFIO file descriptor to an initial
 * state.
 * Return: 0 on success, -errno on failure.
 * Availability: When attached to container
 */
#define VFIO_GROUP_UNSET_CONTAINER	_IO(VFIO_TYPE, VFIO_BASE + 5)

/**
 * VFIO_GROUP_GET_DEVICE_FD - _IOW(VFIO_TYPE, VFIO_BASE + 6, char)
 *
 * Return a new file descriptor for the device object described by
 * the provided string.  The string should match a device listed in
 * the devices subdirectory of the IOMMU group sysfs entry.  The
 * group containing the device must already be added to this context.
 * Return: new file descriptor on success, -errno on failure.
 * Availability: When attached to container
 */
#define VFIO_GROUP_GET_DEVICE_FD	_IO(VFIO_TYPE, VFIO_BASE + 6)

/* --------------- IOCTLs for DEVICE file descriptors --------------- */

/**
 * VFIO_DEVICE_GET_INFO - _IOR(VFIO_TYPE, VFIO_BASE + 7,
 *						struct vfio_device_info)
 *
 * Retrieve information about the device.  Fills in provided
 * struct vfio_device_info.  Caller sets argsz.
 * Return: 0 on success, -errno on failure.
 */
struct vfio_device_info {
	__u32	argsz;
	__u32	flags;
#define VFIO_DEVICE_FLAGS_RESET	(1 << 0)	/* Device supports reset */
#define VFIO_DEVICE_FLAGS_PCI	(1 << 1)	/* vfio-pci device */
#define VFIO_DEVICE_FLAGS_PLATFORM (1 << 2)	/* vfio-platform device */
#define VFIO_DEVICE_FLAGS_AMBA  (1 << 3)	/* vfio-amba device */
#define VFIO_DEVICE_FLAGS_CCW	(1 << 4)	/* vfio-ccw device */
#define VFIO_DEVICE_FLAGS_AP	(1 << 5)	/* vfio-ap device */
#define VFIO_DEVICE_FLAGS_CAPS	(1 << 7)	/* Info supports caps */
	__u32	num_regions;	/* Max region index + 1 */
	__u32	num_irqs;	/* Max IRQ index + 1 */
	__u32   cap_offset;	/* Offset within info struct of first cap */
};
#define VFIO_DEVICE_GET_INFO		_IO(VFIO_TYPE, VFIO_BASE + 7)

/*
 * Vendor driver using Mediated device framework should provide device_api
 * attribute in supported type attribute groups. Device API string should be one
 * of the following corresponding to device flags in vfio_device_info structure.
 */

#define VFIO_DEVICE_API_PCI_STRING		"vfio-pci"
#define VFIO_DEVICE_API_PLATFORM_STRING		"vfio-platform"
#define VFIO_DEVICE_API_AMBA_STRING		"vfio-amba"
#define VFIO_DEVICE_API_CCW_STRING		"vfio-ccw"
#define VFIO_DEVICE_API_AP_STRING		"vfio-ap"

/*
 * The following capabilities are unique to s390 zPCI devices.  Their contents
 * are further-defined in vfio_zdev.h
 */
#define VFIO_DEVICE_INFO_CAP_ZPCI_BASE		1
#define VFIO_DEVICE_INFO_CAP_ZPCI_GROUP		2
#define VFIO_DEVICE_INFO_CAP_ZPCI_UTIL		3
#define VFIO_DEVICE_INFO_CAP_ZPCI_PFIP		4

/**
 * VFIO_DEVICE_GET_REGION_INFO - _IOWR(VFIO_TYPE, VFIO_BASE + 8,
 *				       struct vfio_region_info)
 *
 * Retrieve information about a device region.  Caller provides
 * struct vfio_region_info with index value set.  Caller sets argsz.
 * Implementation of region mapping is bus driver specific.  This is
 * intended to describe MMIO, I/O port, as well as bus specific
 * regions (ex. PCI config space).  Zero sized regions may be used
 * to describe unimplemented regions (ex. unimplemented PCI BARs).
 * Return: 0 on success, -errno on failure.
 */
struct vfio_region_info {
	__u32	argsz;
	__u32	flags;
#define VFIO_REGION_INFO_FLAG_READ	(1 << 0) /* Region supports read */
#define VFIO_REGION_INFO_FLAG_WRITE	(1 << 1) /* Region supports write */
#define VFIO_REGION_INFO_FLAG_MMAP	(1 << 2) /* Region supports mmap */
#define VFIO_REGION_INFO_FLAG_CAPS	(1 << 3) /* Info supports caps */
	__u32	index;		/* Region index */
	__u32	cap_offset;	/* Offset within info struct of first cap */
	__u64	size;		/* Region size (bytes) */
	__u64	offset;		/* Region offset from start of device fd */
};
#define VFIO_DEVICE_GET_REGION_INFO	_IO(VFIO_TYPE, VFIO_BASE + 8)

/*
 * The sparse mmap capability allows finer granularity of specifying areas
 * within a region with mmap support.  When specified, the user should only
 * mmap the offset ranges specified by the areas array.  mmaps outside of the
 * areas specified may fail (such as the range covering a PCI MSI-X table) or
 * may result in improper device behavior.
 *
 * The structures below define version 1 of this capability.
 */
#define VFIO_REGION_INFO_CAP_SPARSE_MMAP	1

struct vfio_region_sparse_mmap_area {
	__u64	offset;	/* Offset of mmap'able area within region */
	__u64	size;	/* Size of mmap'able area */
};

struct vfio_region_info_cap_sparse_mmap {
	struct vfio_info_cap_header header;
	__u32	nr_areas;
	__u32	reserved;
	struct vfio_region_sparse_mmap_area areas[];
};

/*
 * The device specific type capability allows regions unique to a specific
 * device or class of devices to be exposed.  This helps solve the problem for
 * vfio bus drivers of defining which region indexes correspond to which region
 * on the device, without needing to resort to static indexes, as done by
 * vfio-pci.  For instance, if we were to go back in time, we might remove
 * VFIO_PCI_VGA_REGION_INDEX and let vfio-pci simply define that all indexes
 * greater than or equal to VFIO_PCI_NUM_REGIONS are device specific and we'd
 * make a "VGA" device specific type to describe the VGA access space.  This
 * means that non-VGA devices wouldn't need to waste this index, and thus the
 * address space associated with it due to implementation of device file
 * descriptor offsets in vfio-pci.
 *
 * The current implementation is now part of the user ABI, so we can't use this
 * for VGA, but there are other upcoming use cases, such as opregions for Intel
 * IGD devices and framebuffers for vGPU devices.  We missed VGA, but we'll
 * use this for future additions.
 *
 * The structure below defines version 1 of this capability.
 */
#define VFIO_REGION_INFO_CAP_TYPE	2

struct vfio_region_info_cap_type {
	struct vfio_info_cap_header header;
	__u32 type;	/* global per bus driver */
	__u32 subtype;	/* type specific */
};

/*
 * List of region types, global per bus driver.
 * If you introduce a new type, please add it here.
 */

/* PCI region type containing a PCI vendor part */
#define VFIO_REGION_TYPE_PCI_VENDOR_TYPE	(1 << 31)
#define VFIO_REGION_TYPE_PCI_VENDOR_MASK	(0xffff)
#define VFIO_REGION_TYPE_GFX                    (1)
#define VFIO_REGION_TYPE_CCW			(2)
#define VFIO_REGION_TYPE_MIGRATION              (3)

/* sub-types for VFIO_REGION_TYPE_PCI_* */

/* 8086 vendor PCI sub-types */
#define VFIO_REGION_SUBTYPE_INTEL_IGD_OPREGION	(1)
#define VFIO_REGION_SUBTYPE_INTEL_IGD_HOST_CFG	(2)
#define VFIO_REGION_SUBTYPE_INTEL_IGD_LPC_CFG	(3)

/* 10de vendor PCI sub-types */
/*
 * NVIDIA GPU NVlink2 RAM is coherent RAM mapped onto the host address space.
 */
#define VFIO_REGION_SUBTYPE_NVIDIA_NVLINK2_RAM	(1)

/* 1014 vendor PCI sub-types */
/*
 * IBM NPU NVlink2 ATSD (Address Translation Shootdown) register of NPU
 * to do TLB invalidation on a GPU.
 */
#define VFIO_REGION_SUBTYPE_IBM_NVLINK2_ATSD	(1)

/* sub-types for VFIO_REGION_TYPE_GFX */
#define VFIO_REGION_SUBTYPE_GFX_EDID            (1)

/**
 * struct vfio_region_gfx_edid - EDID region layout.
 *
 * Set display link state and EDID blob.
 *
 * The EDID blob has monitor information such as brand, name, serial
 * number, physical size, supported video modes and more.
 *
 * This special region allows userspace (typically qemu) set a virtual
 * EDID for the virtual monitor, which allows a flexible display
 * configuration.
 *
 * For the edid blob spec look here:
 *    https://en.wikipedia.org/wiki/Extended_Display_Identification_Data
 *
 * On linux systems you can find the EDID blob in sysfs:
 *    /sys/class/drm/${card}/${connector}/edid
 *
 * You can use the edid-decode ulility (comes with xorg-x11-utils) to
 * decode the EDID blob.
 *
 * @edid_offset: location of the edid blob, relative to the
 *               start of the region (readonly).
 * @edid_max_size: max size of the edid blob (readonly).
 * @edid_size: actual edid size (read/write).
 * @link_state: display link state (read/write).
 * VFIO_DEVICE_GFX_LINK_STATE_UP: Monitor is turned on.
 * VFIO_DEVICE_GFX_LINK_STATE_DOWN: Monitor is turned off.
 * @max_xres: max display width (0 == no limitation, readonly).
 * @max_yres: max display height (0 == no limitation, readonly).
 *
 * EDID update protocol:
 *   (1) set link-state to down.
 *   (2) update edid blob and size.
 *   (3) set link-state to up.
 */
struct vfio_region_gfx_edid {
	__u32 edid_offset;
	__u32 edid_max_size;
	__u32 edid_size;
	__u32 max_xres;
	__u32 max_yres;
	__u32 link_state;
#define VFIO_DEVICE_GFX_LINK_STATE_UP    1
#define VFIO_DEVICE_GFX_LINK_STATE_DOWN  2
};

/* sub-types for VFIO_REGION_TYPE_CCW */
#define VFIO_REGION_SUBTYPE_CCW_ASYNC_CMD	(1)
#define VFIO_REGION_SUBTYPE_CCW_SCHIB		(2)
#define VFIO_REGION_SUBTYPE_CCW_CRW		(3)

/* sub-types for VFIO_REGION_TYPE_MIGRATION */
#define VFIO_REGION_SUBTYPE_MIGRATION           (1)

/*
 * The structure vfio_device_migration_info is placed at the 0th offset of
 * the VFIO_REGION_SUBTYPE_MIGRATION region to get and set VFIO device related
 * migration information. Field accesses from this structure are only supported
 * at their native width and alignment. Otherwise, the result is undefined and
 * vendor drivers should return an error.
 *
 * device_state: (read/write)
 *      - The user application writes to this field to inform the vendor driver
 *        about the device state to be transitioned to.
 *      - The vendor driver should take the necessary actions to change the
 *        device state. After successful transition to a given state, the
 *        vendor driver should return success on write(device_state, state)
 *        system call. If the device state transition fails, the vendor driver
 *        should return an appropriate -errno for the fault condition.
 *      - On the user application side, if the device state transition fails,
 *	  that is, if write(device_state, state) returns an error, read
 *	  device_state again to determine the current state of the device from
 *	  the vendor driver.
 *      - The vendor driver should return previous state of the device unless
 *        the vendor driver has encountered an internal error, in which case
 *        the vendor driver may report the device_state VFIO_DEVICE_STATE_ERROR.
 *      - The user application must use the device reset ioctl to recover the
 *        device from VFIO_DEVICE_STATE_ERROR state. If the device is
 *        indicated to be in a valid device state by reading device_state, the
 *        user application may attempt to transition the device to any valid
 *        state reachable from the current state or terminate itself.
 *
 *      device_state consists of 3 bits:
 *      - If bit 0 is set, it indicates the _RUNNING state. If bit 0 is clear,
 *        it indicates the _STOP state. When the device state is changed to
 *        _STOP, driver should stop the device before write() returns.
 *      - If bit 1 is set, it indicates the _SAVING state, which means that the
 *        driver should start gathering device state information that will be
 *        provided to the VFIO user application to save the device's state.
 *      - If bit 2 is set, it indicates the _RESUMING state, which means that
 *        the driver should prepare to resume the device. Data provided through
 *        the migration region should be used to resume the device.
 *      Bits 3 - 31 are reserved for future use. To preserve them, the user
 *      application should perform a read-modify-write operation on this
 *      field when modifying the specified bits.
 *
 *  +------- _RESUMING
 *  |+------ _SAVING
 *  ||+----- _RUNNING
 *  |||
 *  000b => Device Stopped, not saving or resuming
 *  001b => Device running, which is the default state
 *  010b => Stop the device & save the device state, stop-and-copy state
 *  011b => Device running and save the device state, pre-copy state
 *  100b => Device stopped and the device state is resuming
 *  101b => Invalid state
 *  110b => Error state
 *  111b => Invalid state
 *
 * State transitions:
 *
 *              _RESUMING  _RUNNING    Pre-copy    Stop-and-copy   _STOP
 *                (100b)     (001b)     (011b)        (010b)       (000b)
 * 0. Running or default state
 *                             |
 *
 * 1. Normal Shutdown (optional)
 *                             |------------------------------------->|
 *
 * 2. Save the state or suspend
 *                             |------------------------->|---------->|
 *
 * 3. Save the state during live migration
 *                             |----------->|------------>|---------->|
 *
 * 4. Resuming
 *                  |<---------|
 *
 * 5. Resumed
 *                  |--------->|
 *
 * 0. Default state of VFIO device is _RUNNING when the user application starts.
 * 1. During normal shutdown of the user application, the user application may
 *    optionally change the VFIO device state from _RUNNING to _STOP. This
 *    transition is optional. The vendor driver must support this transition but
 *    must not require it.
 * 2. When the user application saves state or suspends the application, the
 *    device state transitions from _RUNNING to stop-and-copy and then to _STOP.
 *    On state transition from _RUNNING to stop-and-copy, driver must stop the
 *    device, save the device state and send it to the application through the
 *    migration region. The sequence to be followed for such transition is given
 *    below.
 * 3. In live migration of user application, the state transitions from _RUNNING
 *    to pre-copy, to stop-and-copy, and to _STOP.
 *    On state transition from _RUNNING to pre-copy, the driver should start
 *    gathering the device state while the application is still running and send
 *    the device state data to application through the migration region.
 *    On state transition from pre-copy to stop-and-copy, the driver must stop
 *    the device, save the device state and send it to the user application
 *    through the migration region.
 *    Vendor drivers must support the pre-copy state even for implementations
 *    where no data is provided to the user before the stop-and-copy state. The
 *    user must not be required to consume all migration data before the device
 *    transitions to a new state, including the stop-and-copy state.
 *    The sequence to be followed for above two transitions is given below.
 * 4. To start the resuming phase, the device state should be transitioned from
 *    the _RUNNING to the _RESUMING state.
 *    In the _RESUMING state, the driver should use the device state data
 *    received through the migration region to resume the device.
 * 5. After providing saved device data to the driver, the application should
 *    change the state from _RESUMING to _RUNNING.
 *
 * reserved:
 *      Reads on this field return zero and writes are ignored.
 *
 * pending_bytes: (read only)
 *      The number of pending bytes still to be migrated from the vendor driver.
 *
 * data_offset: (read only)
 *      The user application should read data_offset field from the migration
 *      region. The user application should read the device data from this
 *      offset within the migration region during the _SAVING state or write
 *      the device data during the _RESUMING state. See below for details of
 *      sequence to be followed.
 *
 * data_size: (read/write)
 *      The user application should read data_size to get the size in bytes of
 *      the data copied in the migration region during the _SAVING state and
 *      write the size in bytes of the data copied in the migration region
 *      during the _RESUMING state.
 *
 * The format of the migration region is as follows:
 *  ------------------------------------------------------------------
 * |vfio_device_migration_info|    data section                      |
 * |                          |     ///////////////////////////////  |
 * ------------------------------------------------------------------
 *   ^                              ^
 *  offset 0-trapped part        data_offset
 *
 * The structure vfio_device_migration_info is always followed by the data
 * section in the region, so data_offset will always be nonzero. The offset
 * from where the data is copied is decided by the kernel driver. The data
 * section can be trapped, mmapped, or partitioned, depending on how the kernel
 * driver defines the data section. The data section partition can be defined
 * as mapped by the sparse mmap capability. If mmapped, data_offset must be
 * page aligned, whereas initial section which contains the
 * vfio_device_migration_info structure, might not end at the offset, which is
 * page aligned. The user is not required to access through mmap regardless
 * of the capabilities of the region mmap.
 * The vendor driver should determine whether and how to partition the data
 * section. The vendor driver should return data_offset accordingly.
 *
 * The sequence to be followed while in pre-copy state and stop-and-copy state
 * is as follows:
 * a. Read pending_bytes, indicating the start of a new iteration to get device
 *    data. Repeated read on pending_bytes at this stage should have no side
 *    effects.
 *    If pending_bytes == 0, the user application should not iterate to get data
 *    for that device.
 *    If pending_bytes > 0, perform the following steps.
 * b. Read data_offset, indicating that the vendor driver should make data
 *    available through the data section. The vendor driver should return this
 *    read operation only after data is available from (region + data_offset)
 *    to (region + data_offset + data_size).
 * c. Read data_size, which is the amount of data in bytes available through
 *    the migration region.
 *    Read on data_offset and data_size should return the offset and size of
 *    the current buffer if the user application reads data_offset and
 *    data_size more than once here.
 * d. Read data_size bytes of data from (region + data_offset) from the
 *    migration region.
 * e. Process the data.
 * f. Read pending_bytes, which indicates that the data from the previous
 *    iteration has been read. If pending_bytes > 0, go to step b.
 *
 * The user application can transition from the _SAVING|_RUNNING
 * (pre-copy state) to the _SAVING (stop-and-copy) state regardless of the
 * number of pending bytes. The user application should iterate in _SAVING
 * (stop-and-copy) until pending_bytes is 0.
 *
 * The sequence to be followed while _RESUMING device state is as follows:
 * While data for this device is available, repeat the following steps:
 * a. Read data_offset from where the user application should write data.
 * b. Write migration data starting at the migration region + data_offset for
 *    the length determined by data_size from the migration source.
 * c. Write data_size, which indicates to the vendor driver that data is
 *    written in the migration region. Vendor driver must return this write
 *    operations on consuming data. Vendor driver should apply the
 *    user-provided migration region data to the device resume state.
 *
 * If an error occurs during the above sequences, the vendor driver can return
 * an error code for next read() or write() operation, which will terminate the
 * loop. The user application should then take the next necessary action, for
 * example, failing migration or terminating the user application.
 *
 * For the user application, data is opaque. The user application should write
 * data in the same order as the data is received and the data should be of
 * same transaction size at the source.
 */

struct vfio_device_migration_info {
	__u32 device_state;         /* VFIO device state */
#define VFIO_DEVICE_STATE_STOP      (0)
#define VFIO_DEVICE_STATE_RUNNING   (1 << 0)
#define VFIO_DEVICE_STATE_SAVING    (1 << 1)
#define VFIO_DEVICE_STATE_RESUMING  (1 << 2)
#define VFIO_DEVICE_STATE_MASK      (VFIO_DEVICE_STATE_RUNNING | \
				     VFIO_DEVICE_STATE_SAVING |  \
				     VFIO_DEVICE_STATE_RESUMING)

#define VFIO_DEVICE_STATE_VALID(state) \
	(state & VFIO_DEVICE_STATE_RESUMING ? \
	(state & VFIO_DEVICE_STATE_MASK) == VFIO_DEVICE_STATE_RESUMING : 1)

#define VFIO_DEVICE_STATE_IS_ERROR(state) \
	((state & VFIO_DEVICE_STATE_MASK) == (VFIO_DEVICE_STATE_SAVING | \
					      VFIO_DEVICE_STATE_RESUMING))

#define VFIO_DEVICE_STATE_SET_ERROR(state) \
	((state & ~VFIO_DEVICE_STATE_MASK) | VFIO_DEVICE_SATE_SAVING | \
					     VFIO_DEVICE_STATE_RESUMING)

__u32 reserved;
	__u64 pending_bytes;
	__u64 data_offset;
	__u64 data_size;
};

/*
 * The MSIX mappable capability informs that MSIX data of a BAR can be mmapped
 * which allows direct access to non-MSIX registers which happened to be within
 * the same system page.
 *
 * Even though the userspace gets direct access to the MSIX data, the existing
 * VFIO_DEVICE_SET_IRQS interface must still be used for MSIX configuration.
 */
#define VFIO_REGION_INFO_CAP_MSIX_MAPPABLE	3

/*
 * Capability with compressed real address (aka SSA - small system address)
 * where GPU RAM is mapped on a system bus. Used by a GPU for DMA routing
 * and by the userspace to associate a NVLink bridge with a GPU.
 */
#define VFIO_REGION_INFO_CAP_NVLINK2_SSATGT	4

struct vfio_region_info_cap_nvlink2_ssatgt {
	struct vfio_info_cap_header header;
	__u64 tgt;
};

/*
 * Capability with an NVLink link speed. The value is read by
 * the NVlink2 bridge driver from the bridge's "ibm,nvlink-speed"
 * property in the device tree. The value is fixed in the hardware
 * and failing to provide the correct value results in the link
 * not working with no indication from the driver why.
 */
#define VFIO_REGION_INFO_CAP_NVLINK2_LNKSPD	5

struct vfio_region_info_cap_nvlink2_lnkspd {
	struct vfio_info_cap_header header;
	__u32 link_speed;
	__u32 __pad;
};

/**
 * VFIO_DEVICE_GET_IRQ_INFO - _IOWR(VFIO_TYPE, VFIO_BASE + 9,
 *				    struct vfio_irq_info)
 *
 * Retrieve information about a device IRQ.  Caller provides
 * struct vfio_irq_info with index value set.  Caller sets argsz.
 * Implementation of IRQ mapping is bus driver specific.  Indexes
 * using multiple IRQs are primarily intended to support MSI-like
 * interrupt blocks.  Zero count irq blocks may be used to describe
 * unimplemented interrupt types.
 *
 * The EVENTFD flag indicates the interrupt index supports eventfd based
 * signaling.
 *
 * The MASKABLE flags indicates the index supports MASK and UNMASK
 * actions described below.
 *
 * AUTOMASKED indicates that after signaling, the interrupt line is
 * automatically masked by VFIO and the user needs to unmask the line
 * to receive new interrupts.  This is primarily intended to distinguish
 * level triggered interrupts.
 *
 * The NORESIZE flag indicates that the interrupt lines within the index
 * are setup as a set and new subindexes cannot be enabled without first
 * disabling the entire index.  This is used for interrupts like PCI MSI
 * and MSI-X where the driver may only use a subset of the available
 * indexes, but VFIO needs to enable a specific number of vectors
 * upfront.  In the case of MSI-X, where the user can enable MSI-X and
 * then add and unmask vectors, it's up to userspace to make the decision
 * whether to allocate the maximum supported number of vectors or tear
 * down setup and incrementally increase the vectors as each is enabled.
 */
struct vfio_irq_info {
	__u32	argsz;
	__u32	flags;
#define VFIO_IRQ_INFO_EVENTFD		(1 << 0)
#define VFIO_IRQ_INFO_MASKABLE		(1 << 1)
#define VFIO_IRQ_INFO_AUTOMASKED	(1 << 2)
#define VFIO_IRQ_INFO_NORESIZE		(1 << 3)
	__u32	index;		/* IRQ index */
	__u32	count;		/* Number of IRQs within this index */
};
#define VFIO_DEVICE_GET_IRQ_INFO	_IO(VFIO_TYPE, VFIO_BASE + 9)

/**
 * VFIO_DEVICE_SET_IRQS - _IOW(VFIO_TYPE, VFIO_BASE + 10, struct vfio_irq_set)
 *
 * Set signaling, masking, and unmasking of interrupts.  Caller provides
 * struct vfio_irq_set with all fields set.  'start' and 'count' indicate
 * the range of subindexes being specified.
 *
 * The DATA flags specify the type of data provided.  If DATA_NONE, the
 * operation performs the specified action immediately on the specified
 * interrupt(s).  For example, to unmask AUTOMASKED interrupt [0,0]:
 * flags = (DATA_NONE|ACTION_UNMASK), index = 0, start = 0, count = 1.
 *
 * DATA_BOOL allows sparse support for the same on arrays of interrupts.
 * For example, to mask interrupts [0,1] and [0,3] (but not [0,2]):
 * flags = (DATA_BOOL|ACTION_MASK), index = 0, start = 1, count = 3,
 * data = {1,0,1}
 *
 * DATA_EVENTFD binds the specified ACTION to the provided __s32 eventfd.
 * A value of -1 can be used to either de-assign interrupts if already
 * assigned or skip un-assigned interrupts.  For example, to set an eventfd
 * to be trigger for interrupts [0,0] and [0,2]:
 * flags = (DATA_EVENTFD|ACTION_TRIGGER), index = 0, start = 0, count = 3,
 * data = {fd1, -1, fd2}
 * If index [0,1] is previously set, two count = 1 ioctls calls would be
 * required to set [0,0] and [0,2] without changing [0,1].
 *
 * Once a signaling mechanism is set, DATA_BOOL or DATA_NONE can be used
 * with ACTION_TRIGGER to perform kernel level interrupt loopback testing
 * from userspace (ie. simulate hardware triggering).
 *
 * Setting of an event triggering mechanism to userspace for ACTION_TRIGGER
 * enables the interrupt index for the device.  Individual subindex interrupts
 * can be disabled using the -1 value for DATA_EVENTFD or the index can be
 * disabled as a whole with: flags = (DATA_NONE|ACTION_TRIGGER), count = 0.
 *
 * Note that ACTION_[UN]MASK specify user->kernel signaling (irqfds) while
 * ACTION_TRIGGER specifies kernel->user signaling.
 */
struct vfio_irq_set {
	__u32	argsz;
	__u32	flags;
#define VFIO_IRQ_SET_DATA_NONE		(1 << 0) /* Data not present */
#define VFIO_IRQ_SET_DATA_BOOL		(1 << 1) /* Data is bool (u8) */
#define VFIO_IRQ_SET_DATA_EVENTFD	(1 << 2) /* Data is eventfd (s32) */
#define VFIO_IRQ_SET_ACTION_MASK	(1 << 3) /* Mask interrupt */
#define VFIO_IRQ_SET_ACTION_UNMASK	(1 << 4) /* Unmask interrupt */
#define VFIO_IRQ_SET_ACTION_TRIGGER	(1 << 5) /* Trigger interrupt */
	__u32	index;
	__u32	start;
	__u32	count;
	__u8	data[];
};
#define VFIO_DEVICE_SET_IRQS		_IO(VFIO_TYPE, VFIO_BASE + 10)

#define VFIO_IRQ_SET_DATA_TYPE_MASK	(VFIO_IRQ_SET_DATA_NONE | \
					 VFIO_IRQ_SET_DATA_BOOL | \
					 VFIO_IRQ_SET_DATA_EVENTFD)
#define VFIO_IRQ_SET_ACTION_TYPE_MASK	(VFIO_IRQ_SET_ACTION_MASK | \
					 VFIO_IRQ_SET_ACTION_UNMASK | \
					 VFIO_IRQ_SET_ACTION_TRIGGER)
/**
 * VFIO_DEVICE_RESET - _IO(VFIO_TYPE, VFIO_BASE + 11)
 *
 * Reset a device.
 */
#define VFIO_DEVICE_RESET		_IO(VFIO_TYPE, VFIO_BASE + 11)

/*
 * The VFIO-PCI bus driver makes use of the following fixed region and
 * IRQ index mapping.  Unimplemented regions return a size of zero.
 * Unimplemented IRQ types return a count of zero.
 */

enum {
	VFIO_PCI_BAR0_REGION_INDEX,
	VFIO_PCI_BAR1_REGION_INDEX,
	VFIO_PCI_BAR2_REGION_INDEX,
	VFIO_PCI_BAR3_REGION_INDEX,
	VFIO_PCI_BAR4_REGION_INDEX,
	VFIO_PCI_BAR5_REGION_INDEX,
	VFIO_PCI_ROM_REGION_INDEX,
	VFIO_PCI_CONFIG_REGION_INDEX,
	/*
	 * Expose VGA regions defined for PCI base class 03, subclass 00.
	 * This includes I/O port ranges 0x3b0 to 0x3bb and 0x3c0 to 0x3df
	 * as well as the MMIO range 0xa0000 to 0xbffff.  Each implemented
	 * range is found at it's identity mapped offset from the region
	 * offset, for example 0x3b0 is region_info.offset + 0x3b0.  Areas
	 * between described ranges are unimplemented.
	 */
	VFIO_PCI_VGA_REGION_INDEX,
	VFIO_PCI_NUM_REGIONS = 9 /* Fixed user ABI, region indexes >=9 use */
				 /* device specific cap to define content. */
};

enum {
	VFIO_PCI_INTX_IRQ_INDEX,
	VFIO_PCI_MSI_IRQ_INDEX,
	VFIO_PCI_MSIX_IRQ_INDEX,
	VFIO_PCI_ERR_IRQ_INDEX,
	VFIO_PCI_REQ_IRQ_INDEX,
	VFIO_PCI_NUM_IRQS
};

/*
 * The vfio-ccw bus driver makes use of the following fixed region and
 * IRQ index mapping. Unimplemented regions return a size of zero.
 * Unimplemented IRQ types return a count of zero.
 */

enum {
	VFIO_CCW_CONFIG_REGION_INDEX,
	VFIO_CCW_NUM_REGIONS
};

enum {
	VFIO_CCW_IO_IRQ_INDEX,
	VFIO_CCW_CRW_IRQ_INDEX,
	VFIO_CCW_REQ_IRQ_INDEX,
	VFIO_CCW_NUM_IRQS
};

/**
 * VFIO_DEVICE_GET_PCI_HOT_RESET_INFO - _IORW(VFIO_TYPE, VFIO_BASE + 12,
 *					      struct vfio_pci_hot_reset_info)
 *
 * Return: 0 on success, -errno on failure:
 *	-enospc = insufficient buffer, -enodev = unsupported for device.
 */
struct vfio_pci_dependent_device {
	__u32	group_id;
	__u16	segment;
	__u8	bus;
	__u8	devfn; /* Use PCI_SLOT/PCI_FUNC */
};

struct vfio_pci_hot_reset_info {
	__u32	argsz;
	__u32	flags;
	__u32	count;
	struct vfio_pci_dependent_device	devices[];
};

#define VFIO_DEVICE_GET_PCI_HOT_RESET_INFO	_IO(VFIO_TYPE, VFIO_BASE + 12)

/**
 * VFIO_DEVICE_PCI_HOT_RESET - _IOW(VFIO_TYPE, VFIO_BASE + 13,
 *				    struct vfio_pci_hot_reset)
 *
 * Return: 0 on success, -errno on failure.
 */
struct vfio_pci_hot_reset {
	__u32	argsz;
	__u32	flags;
	__u32	count;
	__s32	group_fds[];
};

#define VFIO_DEVICE_PCI_HOT_RESET	_IO(VFIO_TYPE, VFIO_BASE + 13)

/**
 * VFIO_DEVICE_QUERY_GFX_PLANE - _IOW(VFIO_TYPE, VFIO_BASE + 14,
 *                                    struct vfio_device_query_gfx_plane)
 *
 * Set the drm_plane_type and flags, then retrieve the gfx plane info.
 *
 * flags supported:
 * - VFIO_GFX_PLANE_TYPE_PROBE and VFIO_GFX_PLANE_TYPE_DMABUF are set
 *   to ask if the mdev supports dma-buf. 0 on support, -EINVAL on no
 *   support for dma-buf.
 * - VFIO_GFX_PLANE_TYPE_PROBE and VFIO_GFX_PLANE_TYPE_REGION are set
 *   to ask if the mdev supports region. 0 on support, -EINVAL on no
 *   support for region.
 * - VFIO_GFX_PLANE_TYPE_DMABUF or VFIO_GFX_PLANE_TYPE_REGION is set
 *   with each call to query the plane info.
 * - Others are invalid and return -EINVAL.
 *
 * Note:
 * 1. Plane could be disabled by guest. In that case, success will be
 *    returned with zero-initialized drm_format, size, width and height
 *    fields.
 * 2. x_hot/y_hot is set to 0xFFFFFFFF if no hotspot information available
 *
 * Return: 0 on success, -errno on other failure.
 */
struct vfio_device_gfx_plane_info {
	__u32 argsz;
	__u32 flags;
#define VFIO_GFX_PLANE_TYPE_PROBE (1 << 0)
#define VFIO_GFX_PLANE_TYPE_DMABUF (1 << 1)
#define VFIO_GFX_PLANE_TYPE_REGION (1 << 2)
	/* in */
	__u32 drm_plane_type;	/* type of plane: DRM_PLANE_TYPE_* */
	/* out */
	__u32 drm_format;	/* drm format of plane */
	__u64 drm_format_mod;   /* tiled mode */
	__u32 width;	/* width of plane */
	__u32 height;	/* height of plane */
	__u32 stride;	/* stride of plane */
	__u32 size;	/* size of plane in bytes, align on page*/
	__u32 x_pos;	/* horizontal position of cursor plane */
	__u32 y_pos;	/* vertical position of cursor plane*/
	__u32 x_hot;    /* horizontal position of cursor hotspot */
	__u32 y_hot;    /* vertical position of cursor hotspot */
	union {
		__u32 region_index;	/* region index */
		__u32 dmabuf_id;	/* dma-buf id */
	};
};

#define VFIO_DEVICE_QUERY_GFX_PLANE _IO(VFIO_TYPE, VFIO_BASE + 14)

/**
 * VFIO_DEVICE_GET_GFX_DMABUF - _IOW(VFIO_TYPE, VFIO_BASE + 15, __u32)
 *
 * Return a new dma-buf file descriptor for an exposed guest framebuffer
 * described by the provided dmabuf_id. The dmabuf_id is returned from VFIO_
 * DEVICE_QUERY_GFX_PLANE as a token of the exposed guest framebuffer.
 */

#define VFIO_DEVICE_GET_GFX_DMABUF _IO(VFIO_TYPE, VFIO_BASE + 15)

/**
 * VFIO_DEVICE_IOEVENTFD - _IOW(VFIO_TYPE, VFIO_BASE + 16,
 *                              struct vfio_device_ioeventfd)
 *
 * Perform a write to the device at the specified device fd offset, with
 * the specified data and width when the provided eventfd is triggered.
 * vfio bus drivers may not support this for all regions, for all widths,
 * or at all.  vfio-pci currently only enables support for BAR regions,
 * excluding the MSI-X vector table.
 *
 * Return: 0 on success, -errno on failure.
 */
struct vfio_device_ioeventfd {
	__u32	argsz;
	__u32	flags;
#define VFIO_DEVICE_IOEVENTFD_8		(1 << 0) /* 1-byte write */
#define VFIO_DEVICE_IOEVENTFD_16	(1 << 1) /* 2-byte write */
#define VFIO_DEVICE_IOEVENTFD_32	(1 << 2) /* 4-byte write */
#define VFIO_DEVICE_IOEVENTFD_64	(1 << 3) /* 8-byte write */
#define VFIO_DEVICE_IOEVENTFD_SIZE_MASK	(0xf)
	__u64	offset;			/* device fd offset of write */
	__u64	data;			/* data to be written */
	__s32	fd;			/* -1 for de-assignment */
};

#define VFIO_DEVICE_IOEVENTFD		_IO(VFIO_TYPE, VFIO_BASE + 16)

/**
 * VFIO_DEVICE_FEATURE - _IORW(VFIO_TYPE, VFIO_BASE + 17,
 *			       struct vfio_device_feature)
 *
 * Get, set, or probe feature data of the device.  The feature is selected
 * using the FEATURE_MASK portion of the flags field.  Support for a feature
 * can be probed by setting both the FEATURE_MASK and PROBE bits.  A probe
 * may optionally include the GET and/or SET bits to determine read vs write
 * access of the feature respectively.  Probing a feature will return success
 * if the feature is supported and all of the optionally indicated GET/SET
 * methods are supported.  The format of the data portion of the structure is
 * specific to the given feature.  The data portion is not required for
 * probing.  GET and SET are mutually exclusive, except for use with PROBE.
 *
 * Return 0 on success, -errno on failure.
 */
struct vfio_device_feature {
	__u32	argsz;
	__u32	flags;
#define VFIO_DEVICE_FEATURE_MASK	(0xffff) /* 16-bit feature index */
#define VFIO_DEVICE_FEATURE_GET		(1 << 16) /* Get feature into data[] */
#define VFIO_DEVICE_FEATURE_SET		(1 << 17) /* Set feature from data[] */
#define VFIO_DEVICE_FEATURE_PROBE	(1 << 18) /* Probe feature support */
	__u8	data[];
};

#define VFIO_DEVICE_FEATURE		_IO(VFIO_TYPE, VFIO_BASE + 17)

/*
 * Provide support for setting a PCI VF Token, which is used as a shared
 * secret between PF and VF drivers.  This feature may only be set on a
 * PCI SR-IOV PF when SR-IOV is enabled on the PF and there are no existing
 * open VFs.  Data provided when setting this feature is a 16-byte array
 * (__u8 b[16]), representing a UUID.
 */
#define VFIO_DEVICE_FEATURE_PCI_VF_TOKEN	(0)

/* -------- API for Type1 VFIO IOMMU -------- */

/**
 * VFIO_IOMMU_GET_INFO - _IOR(VFIO_TYPE, VFIO_BASE + 12, struct vfio_iommu_info)
 *
 * Retrieve information about the IOMMU object. Fills in provided
 * struct vfio_iommu_info. Caller sets argsz.
 *
 * XXX Should we do these by CHECK_EXTENSION too?
 */
struct vfio_iommu_type1_info {
	__u32	argsz;
	__u32	flags;
#define VFIO_IOMMU_INFO_PGSIZES (1 << 0)	/* supported page sizes info */
#define VFIO_IOMMU_INFO_CAPS	(1 << 1)	/* Info supports caps */
	__u64	iova_pgsizes;	/* Bitmap of supported page sizes */
	__u32   cap_offset;	/* Offset within info struct of first cap */
};

/*
 * The IOVA capability allows to report the valid IOVA range(s)
 * excluding any non-relaxable reserved regions exposed by
 * devices attached to the container. Any DMA map attempt
 * outside the valid iova range will return error.
 *
 * The structures below define version 1 of this capability.
 */
#define VFIO_IOMMU_TYPE1_INFO_CAP_IOVA_RANGE  1

struct vfio_iova_range {
	__u64	start;
	__u64	end;
};

struct vfio_iommu_type1_info_cap_iova_range {
	struct	vfio_info_cap_header header;
	__u32	nr_iovas;
	__u32	reserved;
	struct	vfio_iova_range iova_ranges[];
};

/*
 * The migration capability allows to report supported features for migration.
 *
 * The structures below define version 1 of this capability.
 *
 * The existence of this capability indicates that IOMMU kernel driver supports
 * dirty page logging.
 *
 * pgsize_bitmap: Kernel driver returns bitmap of supported page sizes for dirty
 * page logging.
 * max_dirty_bitmap_size: Kernel driver returns maximum supported dirty bitmap
 * size in bytes that can be used by user applications when getting the dirty
 * bitmap.
 */
#define VFIO_IOMMU_TYPE1_INFO_CAP_MIGRATION  2

struct vfio_iommu_type1_info_cap_migration {
	struct	vfio_info_cap_header header;
	__u32	flags;
	__u64	pgsize_bitmap;
	__u64	max_dirty_bitmap_size;		/* in bytes */
};

/*
 * The DMA available capability allows to report the current number of
 * simultaneously outstanding DMA mappings that are allowed.
 *
 * The structure below defines version 1 of this capability.
 *
 * avail: specifies the current number of outstanding DMA mappings allowed.
 */
#define VFIO_IOMMU_TYPE1_INFO_DMA_AVAIL 3

struct vfio_iommu_type1_info_dma_avail {
	struct	vfio_info_cap_header header;
	__u32	avail;
};

#define VFIO_IOMMU_GET_INFO _IO(VFIO_TYPE, VFIO_BASE + 12)

/**
 * VFIO_IOMMU_MAP_DMA - _IOW(VFIO_TYPE, VFIO_BASE + 13, struct vfio_dma_map)
 *
 * Map process virtual addresses to IO virtual addresses using the
 * provided struct vfio_dma_map. Caller sets argsz. READ &/ WRITE required.
 */
struct vfio_iommu_type1_dma_map {
	__u32	argsz;
	__u32	flags;
#define VFIO_DMA_MAP_FLAG_READ (1 << 0)		/* readable from device */
#define VFIO_DMA_MAP_FLAG_WRITE (1 << 1)	/* writable from device */
	__u64	vaddr;				/* Process virtual address */
	__u64	iova;				/* IO virtual address */
	__u64	size;				/* Size of mapping (bytes) */
};

#define VFIO_IOMMU_MAP_DMA _IO(VFIO_TYPE, VFIO_BASE + 13)

struct vfio_bitmap {
	__u64        pgsize;	/* page size for bitmap in bytes */
	__u64        size;	/* in bytes */
	__u64 *data;	/* one bit per page */
};

/**
 * VFIO_IOMMU_UNMAP_DMA - _IOWR(VFIO_TYPE, VFIO_BASE + 14,
 *							struct vfio_dma_unmap)
 *
 * Unmap IO virtual addresses using the provided struct vfio_dma_unmap.
 * Caller sets argsz.  The actual unmapped size is returned in the size
 * field.  No guarantee is made to the user that arbitrary unmaps of iova
 * or size different from those used in the original mapping call will
 * succeed.
 * VFIO_DMA_UNMAP_FLAG_GET_DIRTY_BITMAP should be set to get the dirty bitmap
 * before unmapping IO virtual addresses. When this flag is set, the user must
 * provide a struct vfio_bitmap in data[]. User must provide zero-allocated
 * memory via vfio_bitmap.data and its size in the vfio_bitmap.size field.
 * A bit in the bitmap represents one page, of user provided page size in
 * vfio_bitmap.pgsize field, consecutively starting from iova offset. Bit set
 * indicates that the page at that offset from iova is dirty. A Bitmap of the
 * pages in the range of unmapped size is returned in the user-provided
 * vfio_bitmap.data.
 */
struct vfio_iommu_type1_dma_unmap {
	__u32	argsz;
	__u32	flags;
#define VFIO_DMA_UNMAP_FLAG_GET_DIRTY_BITMAP (1 << 0)
	__u64	iova;				/* IO virtual address */
	__u64	size;				/* Size of mapping (bytes) */
	__u8    data[];
};

#define VFIO_IOMMU_UNMAP_DMA _IO(VFIO_TYPE, VFIO_BASE + 14)

/*
 * IOCTLs to enable/disable IOMMU container usage.
 * No parameters are supported.
 */
#define VFIO_IOMMU_ENABLE	_IO(VFIO_TYPE, VFIO_BASE + 15)
#define VFIO_IOMMU_DISABLE	_IO(VFIO_TYPE, VFIO_BASE + 16)

/**
 * VFIO_IOMMU_DIRTY_PAGES - _IOWR(VFIO_TYPE, VFIO_BASE + 17,
 *                                     struct vfio_iommu_type1_dirty_bitmap)
 * IOCTL is used for dirty pages logging.
 * Caller should set flag depending on which operation to perform, details as
 * below:
 *
 * Calling the IOCTL with VFIO_IOMMU_DIRTY_PAGES_FLAG_START flag set, instructs
 * the IOMMU driver to log pages that are dirtied or potentially dirtied by
 * the device; designed to be used when a migration is in progress. Dirty pages
 * are logged until logging is disabled by user application by calling the IOCTL
 * with VFIO_IOMMU_DIRTY_PAGES_FLAG_STOP flag.
 *
 * Calling the IOCTL with VFIO_IOMMU_DIRTY_PAGES_FLAG_STOP flag set, instructs
 * the IOMMU driver to stop logging dirtied pages.
 *
 * Calling the IOCTL with VFIO_IOMMU_DIRTY_PAGES_FLAG_GET_BITMAP flag set
 * returns the dirty pages bitmap for IOMMU container for a given IOVA range.
 * The user must specify the IOVA range and the pgsize through the structure
 * vfio_iommu_type1_dirty_bitmap_get in the data[] portion. This interface
 * supports getting a bitmap of the smallest supported pgsize only and can be
 * modified in future to get a bitmap of any specified supported pgsize. The
 * user must provide a zeroed memory area for the bitmap memory and specify its
 * size in bitmap.size. One bit is used to represent one page consecutively
 * starting from iova offset. The user should provide page size in bitmap.pgsize
 * field. A bit set in the bitmap indicates that the page at that offset from
 * iova is dirty. The caller must set argsz to a value including the size of
 * structure vfio_iommu_type1_dirty_bitmap_get, but excluding the size of the
 * actual bitmap. If dirty pages logging is not enabled, an error will be
 * returned.
 *
 * Only one of the flags _START, _STOP and _GET may be specified at a time.
 *
 */
struct vfio_iommu_type1_dirty_bitmap {
	__u32        argsz;
	__u32        flags;
#define VFIO_IOMMU_DIRTY_PAGES_FLAG_START	(1 << 0)
#define VFIO_IOMMU_DIRTY_PAGES_FLAG_STOP	(1 << 1)
#define VFIO_IOMMU_DIRTY_PAGES_FLAG_GET_BITMAP	(1 << 2)
	__u8         data[];
};

struct vfio_iommu_type1_dirty_bitmap_get {
	__u64              iova;	/* IO virtual address */
	__u64              size;	/* Size of iova range */
	struct vfio_bitmap bitmap;
};

#define VFIO_IOMMU_DIRTY_PAGES             _IO(VFIO_TYPE, VFIO_BASE + 17)

/* -------- Additional API for SPAPR TCE (Server POWERPC) IOMMU -------- */

/*
 * The SPAPR TCE DDW info struct provides the information about
 * the details of Dynamic DMA window capability.
 *
 * @pgsizes contains a page size bitmask, 4K/64K/16M are supported.
 * @max_dynamic_windows_supported tells the maximum number of windows
 * which the platform can create.
 * @levels tells the maximum number of levels in multi-level IOMMU tables;
 * this allows splitting a table into smaller chunks which reduces
 * the amount of physically contiguous memory required for the table.
 */
struct vfio_iommu_spapr_tce_ddw_info {
	__u64 pgsizes;			/* Bitmap of supported page sizes */
	__u32 max_dynamic_windows_supported;
	__u32 levels;
};

/*
 * The SPAPR TCE info struct provides the information about the PCI bus
 * address ranges available for DMA, these values are programmed into
 * the hardware so the guest has to know that information.
 *
 * The DMA 32 bit window start is an absolute PCI bus address.
 * The IOVA address passed via map/unmap ioctls are absolute PCI bus
 * addresses too so the window works as a filter rather than an offset
 * for IOVA addresses.
 *
 * Flags supported:
 * - VFIO_IOMMU_SPAPR_INFO_DDW: informs the userspace that dynamic DMA windows
 *   (DDW) support is present. @ddw is only supported when DDW is present.
 */
struct vfio_iommu_spapr_tce_info {
	__u32 argsz;
	__u32 flags;
#define VFIO_IOMMU_SPAPR_INFO_DDW	(1 << 0)	/* DDW supported */
	__u32 dma32_window_start;	/* 32 bit window start (bytes) */
	__u32 dma32_window_size;	/* 32 bit window size (bytes) */
	struct vfio_iommu_spapr_tce_ddw_info ddw;
};

#define VFIO_IOMMU_SPAPR_TCE_GET_INFO	_IO(VFIO_TYPE, VFIO_BASE + 12)

/*
 * EEH PE operation struct provides ways to:
 * - enable/disable EEH functionality;
 * - unfreeze IO/DMA for frozen PE;
 * - read PE state;
 * - reset PE;
 * - configure PE;
 * - inject EEH error.
 */
struct vfio_eeh_pe_err {
	__u32 type;
	__u32 func;
	__u64 addr;
	__u64 mask;
};

struct vfio_eeh_pe_op {
	__u32 argsz;
	__u32 flags;
	__u32 op;
	union {
		struct vfio_eeh_pe_err err;
	};
};

#define VFIO_EEH_PE_DISABLE		0	/* Disable EEH functionality */
#define VFIO_EEH_PE_ENABLE		1	/* Enable EEH functionality  */
#define VFIO_EEH_PE_UNFREEZE_IO		2	/* Enable IO for frozen PE   */
#define VFIO_EEH_PE_UNFREEZE_DMA	3	/* Enable DMA for frozen PE  */
#define VFIO_EEH_PE_GET_STATE		4	/* PE state retrieval        */
#define  VFIO_EEH_PE_STATE_NORMAL	0	/* PE in functional state    */
#define  VFIO_EEH_PE_STATE_RESET	1	/* PE reset in progress      */
#define  VFIO_EEH_PE_STATE_STOPPED	2	/* Stopped DMA and IO        */
#define  VFIO_EEH_PE_STATE_STOPPED_DMA	4	/* Stopped DMA only          */
#define  VFIO_EEH_PE_STATE_UNAVAIL	5	/* State unavailable         */
#define VFIO_EEH_PE_RESET_DEACTIVATE	5	/* Deassert PE reset         */
#define VFIO_EEH_PE_RESET_HOT		6	/* Assert hot reset          */
#define VFIO_EEH_PE_RESET_FUNDAMENTAL	7	/* Assert fundamental reset  */
#define VFIO_EEH_PE_CONFIGURE		8	/* PE configuration          */
#define VFIO_EEH_PE_INJECT_ERR		9	/* Inject EEH error          */

#define VFIO_EEH_PE_OP			_IO(VFIO_TYPE, VFIO_BASE + 21)

/**
 * VFIO_IOMMU_SPAPR_REGISTER_MEMORY - _IOW(VFIO_TYPE, VFIO_BASE + 17, struct vfio_iommu_spapr_register_memory)
 *
 * Registers user space memory where DMA is allowed. It pins
 * user pages and does the locked memory accounting so
 * subsequent VFIO_IOMMU_MAP_DMA/VFIO_IOMMU_UNMAP_DMA calls
 * get faster.
 */
struct vfio_iommu_spapr_register_memory {
	__u32	argsz;
	__u32	flags;
	__u64	vaddr;				/* Process virtual address */
	__u64	size;				/* Size of mapping (bytes) */
};
#define VFIO_IOMMU_SPAPR_REGISTER_MEMORY	_IO(VFIO_TYPE, VFIO_BASE + 17)

/**
 * VFIO_IOMMU_SPAPR_UNREGISTER_MEMORY - _IOW(VFIO_TYPE, VFIO_BASE + 18, struct vfio_iommu_spapr_register_memory)
 *
 * Unregisters user space memory registered with
 * VFIO_IOMMU_SPAPR_REGISTER_MEMORY.
 * Uses vfio_iommu_spapr_register_memory for parameters.
 */
#define VFIO_IOMMU_SPAPR_UNREGISTER_MEMORY	_IO(VFIO_TYPE, VFIO_BASE + 18)

/**
 * VFIO_IOMMU_SPAPR_TCE_CREATE - _IOWR(VFIO_TYPE, VFIO_BASE + 19, struct vfio_iommu_spapr_tce_create)
 *
 * Creates an additional TCE table and programs it (sets a new DMA window)
 * to every IOMMU group in the container. It receives page shift, window
 * size and number of levels in the TCE table being created.
 *
 * It allocates and returns an offset on a PCI bus of the new DMA window.
 */
struct vfio_iommu_spapr_tce_create {
	__u32 argsz;
	__u32 flags;
	/* in */
	__u32 page_shift;
	__u32 __resv1;
	__u64 window_size;
	__u32 levels;
	__u32 __resv2;
	/* out */
	__u64 start_addr;
};
#define VFIO_IOMMU_SPAPR_TCE_CREATE	_IO(VFIO_TYPE, VFIO_BASE + 19)

/**
 * VFIO_IOMMU_SPAPR_TCE_REMOVE - _IOW(VFIO_TYPE, VFIO_BASE + 20, struct vfio_iommu_spapr_tce_remove)
 *
 * Unprograms a TCE table from all groups in the container and destroys it.
 * It receives a PCI bus offset as a window id.
 */
struct vfio_iommu_spapr_tce_remove {
	__u32 argsz;
	__u32 flags;
	/* in */
	__u64 start_addr;
};
#define VFIO_IOMMU_SPAPR_TCE_REMOVE	_IO(VFIO_TYPE, VFIO_BASE + 20)

/* ***************************************************************** */

#endif /* VFIO_H */