From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-18.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 4ED27C43387 for ; Tue, 8 Jan 2019 20:00:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 0FC5820660 for ; Tue, 8 Jan 2019 20:00:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1546977623; bh=EIDgnGdx8vLpSJmFSEUUqjtOQUetMmSTQkGz4Md8TS8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=bRUu1nQj7qA5uOy77n8mtU3dtx1a/StORKOdrmuGsMY/CNOz7zuxpe8skG70Z7tx7 wYSjngf+wgljzxmacr0g+qPQWe6cwrJ8Gdj6/k6E3qkIfmUyoQxz4Zbl9G7xAWV9vm hIzyR9KD94KY7B0eNIxLVubucf0dUXwwlEicNipE= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733092AbfAHUAW (ORCPT ); Tue, 8 Jan 2019 15:00:22 -0500 Received: from mail.kernel.org ([198.145.29.99]:57300 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733081AbfAHUAS (ORCPT ); Tue, 8 Jan 2019 15:00:18 -0500 Received: from quaco.ghostprotocols.net (unknown [177.135.9.49]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 260B02183F; Tue, 8 Jan 2019 20:00:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1546977617; bh=EIDgnGdx8vLpSJmFSEUUqjtOQUetMmSTQkGz4Md8TS8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=br4xhy68H+mqLdPGfroXREQzf4Vdu7rHU9yr6tm/qQivCwhSjwgxDqW/nmLPfXP1Y HKHV2E5WMznmRR3LLmNDF5oqL8+sawPJ6ffdXTGab1bBPXba7qBWXk43koV9XM/2dH fR73ftDXtF4ctkdQPgthAM657xcyjNi6wwdfPnA4= From: Arnaldo Carvalho de Melo To: Ingo Molnar Cc: Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , Jiri Olsa , =?UTF-8?q?Luis=20Cl=C3=A1udio=20Gon=C3=A7alves?= , "Michael S . Tsirkin" , Namhyung Kim , Paolo Bonzini , Wang Nan Subject: [PATCH 16/16] tools include uapi: Sync linux/vhost.h with the kernel sources Date: Tue, 8 Jan 2019 16:59:10 -0300 Message-Id: <20190108195910.17726-17-acme@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190108195910.17726-1-acme@kernel.org> References: <20190108195910.17726-1-acme@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnaldo Carvalho de Melo To get the changes in: 4b86713236e4 ("vhost: split structs into a separate header file") Silencing this perf build warning: Warning: Kernel ABI header at 'tools/include/uapi/linux/vhost.h' differs from latest version at 'include/uapi/linux/vhost.h' diff -u tools/include/uapi/linux/vhost.h include/uapi/linux/vhost.h Those didn't touch things used in tools, i.e. the following continues working: $ tools/perf/trace/beauty/vhost_virtio_ioctl.sh static const char *vhost_virtio_ioctl_cmds[] = { [0x00] = "SET_FEATURES", [0x01] = "SET_OWNER", [0x02] = "RESET_OWNER", [0x03] = "SET_MEM_TABLE", [0x04] = "SET_LOG_BASE", [0x07] = "SET_LOG_FD", [0x10] = "SET_VRING_NUM", [0x11] = "SET_VRING_ADDR", [0x12] = "SET_VRING_BASE", [0x13] = "SET_VRING_ENDIAN", [0x14] = "GET_VRING_ENDIAN", [0x20] = "SET_VRING_KICK", [0x21] = "SET_VRING_CALL", [0x22] = "SET_VRING_ERR", [0x23] = "SET_VRING_BUSYLOOP_TIMEOUT", [0x24] = "GET_VRING_BUSYLOOP_TIMEOUT", [0x25] = "SET_BACKEND_FEATURES", [0x30] = "NET_SET_BACKEND", [0x40] = "SCSI_SET_ENDPOINT", [0x41] = "SCSI_CLEAR_ENDPOINT", [0x42] = "SCSI_GET_ABI_VERSION", [0x43] = "SCSI_SET_EVENTS_MISSED", [0x44] = "SCSI_GET_EVENTS_MISSED", [0x60] = "VSOCK_SET_GUEST_CID", [0x61] = "VSOCK_SET_RUNNING", }; static const char *vhost_virtio_ioctl_read_cmds[] = { [0x00] = "GET_FEATURES", [0x12] = "GET_VRING_BASE", [0x26] = "GET_BACKEND_FEATURES", }; $ At some point in the eBPFication of perf, using something like: # perf trace -e ioctl(cmd=VHOST_VRING*) Will setup a BPF filter right at the raw_syscalls:sys_enter tracepoint, i.e. filtering at the origin. Cc: Adrian Hunter Cc: Jiri Olsa Cc: Luis Cláudio Gonçalves Cc: Michael S. Tsirkin Cc: Namhyung Kim Cc: Paolo Bonzini Cc: Wang Nan Link: https://lkml.kernel.org/n/tip-g28usrt7l59lwq3wuh8vzbig@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/include/uapi/linux/vhost.h | 113 +------------------------------ 1 file changed, 2 insertions(+), 111 deletions(-) diff --git a/tools/include/uapi/linux/vhost.h b/tools/include/uapi/linux/vhost.h index 84c3de89696a..40d028eed645 100644 --- a/tools/include/uapi/linux/vhost.h +++ b/tools/include/uapi/linux/vhost.h @@ -11,94 +11,9 @@ * device configuration. */ +#include #include -#include #include -#include -#include - -struct vhost_vring_state { - unsigned int index; - unsigned int num; -}; - -struct vhost_vring_file { - unsigned int index; - int fd; /* Pass -1 to unbind from file. */ - -}; - -struct vhost_vring_addr { - unsigned int index; - /* Option flags. */ - unsigned int flags; - /* Flag values: */ - /* Whether log address is valid. If set enables logging. */ -#define VHOST_VRING_F_LOG 0 - - /* Start of array of descriptors (virtually contiguous) */ - __u64 desc_user_addr; - /* Used structure address. Must be 32 bit aligned */ - __u64 used_user_addr; - /* Available structure address. Must be 16 bit aligned */ - __u64 avail_user_addr; - /* Logging support. */ - /* Log writes to used structure, at offset calculated from specified - * address. Address must be 32 bit aligned. */ - __u64 log_guest_addr; -}; - -/* no alignment requirement */ -struct vhost_iotlb_msg { - __u64 iova; - __u64 size; - __u64 uaddr; -#define VHOST_ACCESS_RO 0x1 -#define VHOST_ACCESS_WO 0x2 -#define VHOST_ACCESS_RW 0x3 - __u8 perm; -#define VHOST_IOTLB_MISS 1 -#define VHOST_IOTLB_UPDATE 2 -#define VHOST_IOTLB_INVALIDATE 3 -#define VHOST_IOTLB_ACCESS_FAIL 4 - __u8 type; -}; - -#define VHOST_IOTLB_MSG 0x1 -#define VHOST_IOTLB_MSG_V2 0x2 - -struct vhost_msg { - int type; - union { - struct vhost_iotlb_msg iotlb; - __u8 padding[64]; - }; -}; - -struct vhost_msg_v2 { - __u32 type; - __u32 reserved; - union { - struct vhost_iotlb_msg iotlb; - __u8 padding[64]; - }; -}; - -struct vhost_memory_region { - __u64 guest_phys_addr; - __u64 memory_size; /* bytes */ - __u64 userspace_addr; - __u64 flags_padding; /* No flags are currently specified. */ -}; - -/* All region addresses and sizes must be 4K aligned. */ -#define VHOST_PAGE_SIZE 0x1000 - -struct vhost_memory { - __u32 nregions; - __u32 padding; - struct vhost_memory_region regions[0]; -}; /* ioctls */ @@ -186,31 +101,7 @@ struct vhost_memory { * device. This can be used to stop the ring (e.g. for migration). */ #define VHOST_NET_SET_BACKEND _IOW(VHOST_VIRTIO, 0x30, struct vhost_vring_file) -/* Feature bits */ -/* Log all write descriptors. Can be changed while device is active. */ -#define VHOST_F_LOG_ALL 26 -/* vhost-net should add virtio_net_hdr for RX, and strip for TX packets. */ -#define VHOST_NET_F_VIRTIO_NET_HDR 27 - -/* VHOST_SCSI specific definitions */ - -/* - * Used by QEMU userspace to ensure a consistent vhost-scsi ABI. - * - * ABI Rev 0: July 2012 version starting point for v3.6-rc merge candidate + - * RFC-v2 vhost-scsi userspace. Add GET_ABI_VERSION ioctl usage - * ABI Rev 1: January 2013. Ignore vhost_tpgt filed in struct vhost_scsi_target. - * All the targets under vhost_wwpn can be seen and used by guset. - */ - -#define VHOST_SCSI_ABI_VERSION 1 - -struct vhost_scsi_target { - int abi_version; - char vhost_wwpn[224]; /* TRANSPORT_IQN_LEN */ - unsigned short vhost_tpgt; - unsigned short reserved; -}; +/* VHOST_SCSI specific defines */ #define VHOST_SCSI_SET_ENDPOINT _IOW(VHOST_VIRTIO, 0x40, struct vhost_scsi_target) #define VHOST_SCSI_CLEAR_ENDPOINT _IOW(VHOST_VIRTIO, 0x41, struct vhost_scsi_target) -- 2.20.1