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[ .. KEMBALI ]
📄 a.out.h
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📄 acct.h
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📄 acrn.h
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📄 adb.h
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📄 adfs_fs.h
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📄 affs_hardblocks.h
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📄 agpgart.h
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📄 aio_abi.h
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📄 am437x-vpfe.h
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📁 android/
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📄 apm_bios.h
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📄 arcfb.h
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📄 arm_sdei.h
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📄 aspeed-lpc-ctrl.h
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📄 aspeed-p2a-ctrl.h
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📄 atalk.h
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📄 atm.h
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📄 atm_eni.h
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📄 atm_he.h
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📄 atm_idt77105.h
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📄 atmarp.h
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📄 atmbr2684.h
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📄 atmdev.h
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📄 atmioc.h
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📄 atmlec.h
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📄 atmmpc.h
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📄 atmppp.h
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📄 atmsap.h
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📄 atmsvc.h
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📄 audit.h
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📄 auto_dev-ioctl.h
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📄 auto_fs.h
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📄 auto_fs4.h
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📄 auxvec.h
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📄 ax25.h
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📄 batadv_packet.h
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📄 batman_adv.h
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📄 baycom.h
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📄 bcm933xx_hcs.h
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📄 bfs_fs.h
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📄 binfmts.h
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📄 bits.h
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📄 blkpg.h
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📄 blktrace_api.h
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📄 blkzoned.h
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📄 bpf.h
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📄 bpf_common.h
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📄 bpf_perf_event.h
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📄 bpfilter.h
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📄 bpqether.h
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📄 bsg.h
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📄 bt-bmc.h
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📄 btf.h
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📄 btrfs.h
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📁 byteorder/
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📄 cciss_ioctl.h
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📄 ccs.h
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📄 cdrom.h
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📄 cec-funcs.h
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📄 cec.h
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📄 cfm_bridge.h
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📄 chio.h
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📁 cifs/
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📄 close_range.h
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📄 cm4000_cs.h
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📄 coda.h
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📄 coff.h
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📄 connector.h
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📄 const.h
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📄 coresight-stm.h
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📄 cramfs_fs.h
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📄 cryptouser.h
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📄 cuda.h
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📄 cxl_mem.h
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📄 cycx_cfm.h
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📄 dcbnl.h
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📄 dccp.h
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📄 devlink.h
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📄 dlm.h
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📄 dlm_device.h
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📄 dlm_netlink.h
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📄 dlm_plock.h
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📄 dlmconstants.h
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📄 dm-ioctl.h
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📄 dm-log-userspace.h
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📄 dma-buf.h
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📄 dma-heap.h
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📄 dn.h
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📄 dns_resolver.h
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📄 dpll.h
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📄 dqblk_xfs.h
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📁 dvb/
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📄 edd.h
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📄 efs_fs_sb.h
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📄 elf-fdpic.h
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📄 elf.h
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📄 errno.h
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📄 errqueue.h
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📄 erspan.h
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📄 ethtool.h
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📄 ethtool_netlink.h
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📄 ethtool_netlink_generated.h
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📄 eventfd.h
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📄 eventpoll.h
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📄 f2fs.h
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📄 fb.h
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📄 fcntl.h
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📄 fd.h
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📄 fib_rules.h
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📄 fiemap.h
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📄 filter.h
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📄 firewire-cdev.h
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📄 fou.h
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📄 fs.h
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📄 fsi.h
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📄 fsl_hypervisor.h
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📄 fsl_mc.h
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📄 fsmap.h
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📄 fuse.h
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📄 futex.h
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📄 gameport.h
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📄 gen_stats.h
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📄 genetlink.h
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📁 genwqe/
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📄 gfs2_ondisk.h
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📄 gpio.h
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📄 gsmmux.h
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📄 gtp.h
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📄 handshake.h
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📄 hash_info.h
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📁 hdlc/
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📄 hdlc.h
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📄 hdlcdrv.h
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📄 hdreg.h
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📄 hid.h
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📄 hiddev.h
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📄 hidraw.h
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📄 hpet.h
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📁 hsi/
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📄 hsr_netlink.h
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📄 hw_breakpoint.h
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📄 hyperv.h
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📄 i2c-dev.h
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📄 i2c.h
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📄 i2o-dev.h
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📄 i8k.h
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📄 icmp.h
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📄 icmpv6.h
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📄 idxd.h
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📄 if.h
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📄 if_addr.h
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📄 if_addrlabel.h
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📄 if_alg.h
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📄 if_arcnet.h
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📄 if_arp.h
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📄 if_bonding.h
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📄 if_bridge.h
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📄 if_cablemodem.h
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📄 if_eql.h
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📄 if_ether.h
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📄 if_fc.h
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📄 if_fddi.h
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📄 if_hippi.h
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📄 if_infiniband.h
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📄 if_link.h
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📄 if_ltalk.h
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📄 if_macsec.h
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📄 if_packet.h
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📄 if_phonet.h
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📄 if_plip.h
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📄 if_ppp.h
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📄 if_pppol2tp.h
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📄 if_pppox.h
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📄 if_slip.h
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📄 if_team.h
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📄 if_tun.h
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📄 if_tunnel.h
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📄 if_vlan.h
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📄 if_x25.h
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📄 if_xdp.h
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📄 igmp.h
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📁 iio/
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📄 ila.h
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📄 in.h
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📄 in6.h
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📄 in_route.h
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📄 inet_diag.h
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📄 inotify.h
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📄 input-event-codes.h
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📄 input.h
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📄 io_uring.h
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📄 ioctl.h
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📄 iommufd.h
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📄 ioprio.h
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📄 ip.h
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📄 ip6_tunnel.h
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📄 ip_vs.h
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📄 ipc.h
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📄 ipmi.h
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📄 ipmi_bmc.h
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📄 ipmi_msgdefs.h
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📄 ipmi_ssif_bmc.h
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📄 ipsec.h
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📄 ipv6.h
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📄 ipv6_route.h
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📄 ipx.h
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📄 irqnr.h
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📁 isdn/
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📄 iso_fs.h
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📄 isst_if.h
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📄 ivtv.h
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📄 ivtvfb.h
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📄 jffs2.h
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📄 joystick.h
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📄 kcm.h
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📄 kcmp.h
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📄 kcov.h
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📄 kd.h
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📄 kdev_t.h
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📄 kernel-page-flags.h
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📄 kernel.h
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📄 kernelcapi.h
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📄 kexec.h
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📄 keyboard.h
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📄 keyctl.h
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📄 kfd_ioctl.h
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📄 kfd_sysfs.h
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📄 kvm.h
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📄 kvm_para.h
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📄 l2tp.h
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📄 landlock.h
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📄 libc-compat.h
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📄 limits.h
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📄 lirc.h
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📄 llc.h
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📄 loadpin.h
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📄 loop.h
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📄 lp.h
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📄 lsm.h
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📄 lwtunnel.h
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📄 magic.h
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📄 major.h
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📄 map_to_7segment.h
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📄 matroxfb.h
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📄 max2175.h
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📄 mdio.h
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📄 media-bus-format.h
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📄 media.h
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📄 mei.h
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📄 mei_uuid.h
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📄 membarrier.h
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📄 memfd.h
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📄 mempolicy.h
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📄 meye.h
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📄 mii.h
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📄 minix_fs.h
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📁 misc/
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📄 mman.h
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📁 mmc/
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📄 mmtimer.h
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📄 module.h
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📄 mount.h
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📄 mpls.h
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📄 mpls_iptunnel.h
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📄 mptcp.h
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📄 mptcp_pm.h
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📄 mqueue.h
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📄 mroute.h
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📄 mroute6.h
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📄 mrp_bridge.h
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📄 msdos_fs.h
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📄 msg.h
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📄 mshv.h
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📄 mtio.h
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📄 nbd-netlink.h
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📄 nbd.h
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📄 ncsi.h
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📄 ndctl.h
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📄 neighbour.h
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📄 net.h
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📄 net_dropmon.h
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📄 net_namespace.h
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📄 net_shaper.h
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📄 net_tstamp.h
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📄 netconf.h
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📄 netdev.h
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📄 netdevice.h
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📁 netfilter/
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📄 netfilter.h
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📁 netfilter_arp/
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📄 netfilter_arp.h
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📁 netfilter_bridge/
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📄 netfilter_bridge.h
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📄 netfilter_decnet.h
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📁 netfilter_ipv4/
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📄 netfilter_ipv4.h
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📁 netfilter_ipv6/
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📄 netfilter_ipv6.h
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📄 netlink.h
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📄 netlink_diag.h
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📄 netrom.h
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📄 nexthop.h
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📄 nfc.h
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📄 nfs.h
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📄 nfs2.h
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📄 nfs3.h
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📄 nfs4.h
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📄 nfs4_mount.h
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📄 nfs_fs.h
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📄 nfs_idmap.h
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📄 nfs_mount.h
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📄 nfsacl.h
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📁 nfsd/
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📄 nfsd_netlink.h
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📄 nilfs2_api.h
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📄 nilfs2_ondisk.h
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📄 nitro_enclaves.h
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📄 nl80211.h
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📄 nsfs.h
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📄 nubus.h
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📄 nvme_ioctl.h
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📄 nvram.h
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📄 omap3isp.h
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📄 omapfb.h
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📄 oom.h
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📄 openat2.h
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📄 openvswitch.h
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📄 packet_diag.h
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📄 param.h
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📄 parport.h
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📄 patchkey.h
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📄 pci.h
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📄 pci_regs.h
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📄 pcitest.h
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📄 perf_event.h
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📄 personality.h
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📄 pfkeyv2.h
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📄 pfrut.h
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📄 pg.h
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📄 phantom.h
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📄 phonet.h
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📄 pidfd.h
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📄 pkt_cls.h
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📄 pkt_sched.h
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📄 pktcdvd.h
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📄 pmu.h
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📄 poll.h
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📄 posix_acl.h
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📄 posix_acl_xattr.h
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📄 posix_types.h
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📄 ppdev.h
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📄 ppp-comp.h
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📄 ppp-ioctl.h
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📄 ppp_defs.h
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📄 pps.h
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📄 pr.h
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📄 prctl.h
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📄 psample.h
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📄 psci.h
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📄 psp-dbc.h
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📄 psp-sev.h
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📄 ptp_clock.h
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📄 ptrace.h
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📄 qemu_fw_cfg.h
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📄 qnx4_fs.h
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📄 qnxtypes.h
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📄 qrtr.h
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📄 quota.h
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📄 radeonfb.h
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📁 raid/
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📄 random.h
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📄 rds.h
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📄 reboot.h
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📄 reiserfs_fs.h
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📄 reiserfs_xattr.h
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📄 remoteproc_cdev.h
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📄 resource.h
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📄 rfkill.h
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📄 rio_cm_cdev.h
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📄 rio_mport_cdev.h
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📄 rkisp1-config.h
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📄 romfs_fs.h
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📄 rose.h
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📄 route.h
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📄 rpl.h
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📄 rpl_iptunnel.h
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📄 rpmsg.h
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📄 rpmsg_types.h
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📄 rseq.h
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📄 rtc.h
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📄 rtnetlink.h
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📄 rxrpc.h
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📄 scc.h
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📁 sched/
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📄 sched.h
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📄 scif_ioctl.h
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📄 screen_info.h
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📄 sctp.h
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📄 seccomp.h
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📄 securebits.h
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📄 sed-opal.h
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📄 seg6.h
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📄 seg6_genl.h
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📄 seg6_hmac.h
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📄 seg6_iptunnel.h
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📄 seg6_local.h
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📄 selinux_netlink.h
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📄 sem.h
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📄 serial.h
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📄 serial_core.h
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📄 serial_reg.h
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📄 serio.h
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📄 sev-guest.h
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📄 shm.h
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📄 signal.h
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📄 signalfd.h
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📄 smc.h
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📄 smc_diag.h
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📄 smiapp.h
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📄 snmp.h
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📄 sock_diag.h
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📄 socket.h
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📄 sockios.h
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📄 sonet.h
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📄 sonypi.h
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📁 spi/
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📄 stat.h
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📄 stddef.h
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📄 string.h
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📁 sunrpc/
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📁 surface_aggregator/
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📄 suspend_ioctls.h
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📄 swab.h
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📄 switchtec_ioctl.h
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📄 sync_file.h
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📄 synclink.h
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📄 sysctl.h
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📄 sysinfo.h
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📄 target_core_user.h
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📄 taskstats.h
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📁 tc_act/
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📁 tc_ematch/
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📄 tcp.h
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📄 tcp_metrics.h
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📄 tdx-guest.h
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📄 tee.h
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📄 termios.h
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📄 thermal.h
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📄 time.h
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📄 timerfd.h
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📄 times.h
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📄 timex.h
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SAVING...
BERHASIL DIUBAH!
EDITING: virtio_ring.h
#ifndef _LINUX_VIRTIO_RING_H #define _LINUX_VIRTIO_RING_H /* An interface for efficient virtio implementation, currently for use by KVM, * but hopefully others soon. Do NOT change this since it will * break existing servers and clients. * * This header is BSD licensed so anyone can use the definitions to implement * compatible drivers/servers. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of IBM nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL IBM OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * Copyright Rusty Russell IBM Corporation 2007. */ #include <stdint.h> #include <linux/types.h> #include <linux/virtio_types.h> /* This marks a buffer as continuing via the next field. */ #define VRING_DESC_F_NEXT 1 /* This marks a buffer as write-only (otherwise read-only). */ #define VRING_DESC_F_WRITE 2 /* This means the buffer contains a list of buffer descriptors. */ #define VRING_DESC_F_INDIRECT 4 /* * Mark a descriptor as available or used in packed ring. * Notice: they are defined as shifts instead of shifted values. */ #define VRING_PACKED_DESC_F_AVAIL 7 #define VRING_PACKED_DESC_F_USED 15 /* The Host uses this in used->flags to advise the Guest: don't kick me when * you add a buffer. It's unreliable, so it's simply an optimization. Guest * will still kick if it's out of buffers. */ #define VRING_USED_F_NO_NOTIFY 1 /* The Guest uses this in avail->flags to advise the Host: don't interrupt me * when you consume a buffer. It's unreliable, so it's simply an * optimization. */ #define VRING_AVAIL_F_NO_INTERRUPT 1 /* Enable events in packed ring. */ #define VRING_PACKED_EVENT_FLAG_ENABLE 0x0 /* Disable events in packed ring. */ #define VRING_PACKED_EVENT_FLAG_DISABLE 0x1 /* * Enable events for a specific descriptor in packed ring. * (as specified by Descriptor Ring Change Event Offset/Wrap Counter). * Only valid if VIRTIO_RING_F_EVENT_IDX has been negotiated. */ #define VRING_PACKED_EVENT_FLAG_DESC 0x2 /* * Wrap counter bit shift in event suppression structure * of packed ring. */ #define VRING_PACKED_EVENT_F_WRAP_CTR 15 /* We support indirect buffer descriptors */ #define VIRTIO_RING_F_INDIRECT_DESC 28 /* The Guest publishes the used index for which it expects an interrupt * at the end of the avail ring. Host should ignore the avail->flags field. */ /* The Host publishes the avail index for which it expects a kick * at the end of the used ring. Guest should ignore the used->flags field. */ #define VIRTIO_RING_F_EVENT_IDX 29 /* Alignment requirements for vring elements. * When using pre-virtio 1.0 layout, these fall out naturally. */ #define VRING_AVAIL_ALIGN_SIZE 2 #define VRING_USED_ALIGN_SIZE 4 #define VRING_DESC_ALIGN_SIZE 16 /** * struct vring_desc - Virtio ring descriptors, * 16 bytes long. These can chain together via @next. * * @addr: buffer address (guest-physical) * @len: buffer length * @flags: descriptor flags * @next: index of the next descriptor in the chain, * if the VRING_DESC_F_NEXT flag is set. We chain unused * descriptors via this, too. */ struct vring_desc { __virtio64 addr; __virtio32 len; __virtio16 flags; __virtio16 next; }; struct vring_avail { __virtio16 flags; __virtio16 idx; __virtio16 ring[]; }; /* u32 is used here for ids for padding reasons. */ struct vring_used_elem { /* Index of start of used descriptor chain. */ __virtio32 id; /* Total length of the descriptor chain which was used (written to) */ __virtio32 len; }; typedef struct vring_used_elem __attribute__((aligned(VRING_USED_ALIGN_SIZE))) vring_used_elem_t; struct vring_used { __virtio16 flags; __virtio16 idx; vring_used_elem_t ring[]; }; /* * The ring element addresses are passed between components with different * alignments assumptions. Thus, we might need to decrease the compiler-selected * alignment, and so must use a typedef to make sure the aligned attribute * actually takes hold: * * https://gcc.gnu.org/onlinedocs//gcc/Common-Type-Attributes.html#Common-Type-Attributes * * When used on a struct, or struct member, the aligned attribute can only * increase the alignment; in order to decrease it, the packed attribute must * be specified as well. When used as part of a typedef, the aligned attribute * can both increase and decrease alignment, and specifying the packed * attribute generates a warning. */ typedef struct vring_desc __attribute__((aligned(VRING_DESC_ALIGN_SIZE))) vring_desc_t; typedef struct vring_avail __attribute__((aligned(VRING_AVAIL_ALIGN_SIZE))) vring_avail_t; typedef struct vring_used __attribute__((aligned(VRING_USED_ALIGN_SIZE))) vring_used_t; struct vring { unsigned int num; vring_desc_t *desc; vring_avail_t *avail; vring_used_t *used; }; #ifndef VIRTIO_RING_NO_LEGACY /* The standard layout for the ring is a continuous chunk of memory which looks * like this. We assume num is a power of 2. * * struct vring * { * // The actual descriptors (16 bytes each) * struct vring_desc desc[num]; * * // A ring of available descriptor heads with free-running index. * __virtio16 avail_flags; * __virtio16 avail_idx; * __virtio16 available[num]; * __virtio16 used_event_idx; * * // Padding to the next align boundary. * char pad[]; * * // A ring of used descriptor heads with free-running index. * __virtio16 used_flags; * __virtio16 used_idx; * struct vring_used_elem used[num]; * __virtio16 avail_event_idx; * }; */ /* We publish the used event index at the end of the available ring, and vice * versa. They are at the end for backwards compatibility. */ #define vring_used_event(vr) ((vr)->avail->ring[(vr)->num]) #define vring_avail_event(vr) (*(__virtio16 *)&(vr)->used->ring[(vr)->num]) static __inline__ void vring_init(struct vring *vr, unsigned int num, void *p, unsigned long align) { vr->num = num; vr->desc = p; vr->avail = (struct vring_avail *)((char *)p + num * sizeof(struct vring_desc)); vr->used = (void *)(((uintptr_t)&vr->avail->ring[num] + sizeof(__virtio16) + align-1) & ~(align - 1)); } static __inline__ unsigned vring_size(unsigned int num, unsigned long align) { return ((sizeof(struct vring_desc) * num + sizeof(__virtio16) * (3 + num) + align - 1) & ~(align - 1)) + sizeof(__virtio16) * 3 + sizeof(struct vring_used_elem) * num; } #endif /* VIRTIO_RING_NO_LEGACY */ /* The following is used with USED_EVENT_IDX and AVAIL_EVENT_IDX */ /* Assuming a given event_idx value from the other side, if * we have just incremented index from old to new_idx, * should we trigger an event? */ static __inline__ int vring_need_event(__u16 event_idx, __u16 new_idx, __u16 old) { /* Note: Xen has similar logic for notification hold-off * in include/xen/interface/io/ring.h with req_event and req_prod * corresponding to event_idx + 1 and new_idx respectively. * Note also that req_event and req_prod in Xen start at 1, * event indexes in virtio start at 0. */ return (__u16)(new_idx - event_idx - 1) < (__u16)(new_idx - old); } struct vring_packed_desc_event { /* Descriptor Ring Change Event Offset/Wrap Counter. */ __le16 off_wrap; /* Descriptor Ring Change Event Flags. */ __le16 flags; }; struct vring_packed_desc { /* Buffer Address. */ __le64 addr; /* Buffer Length. */ __le32 len; /* Buffer ID. */ __le16 id; /* The flags depending on descriptor type. */ __le16 flags; }; #endif /* _LINUX_VIRTIO_RING_H */
SIMPAN PERUBAHAN