From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by inbox.dpdk.org (Postfix) with ESMTP id DED17A034C; Sun, 27 Mar 2022 17:36:29 +0200 (CEST) Received: from [217.70.189.124] (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 6F48742886; Sun, 27 Mar 2022 17:36:00 +0200 (CEST) Received: from mga14.intel.com (mga14.intel.com [192.55.52.115]) by mails.dpdk.org (Postfix) with ESMTP id BA67742882 for ; Sun, 27 Mar 2022 17:35:58 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1648395358; x=1679931358; h=from:to:cc:subject:date:message-id:in-reply-to: references; bh=moWTACEIrrZx6lewXL9Rv/TQK/BstbW4Z53GJ/WDUr4=; b=kxueeWEx62nlqoS5UWKEdDvaS+3uwoNxMvTrr3bjjVShHHnMEbihgxHA MmK/oQV0r54H7lTb53gDWJfjoQ+2Msr6KWtEivpZFfHuMrHV2YWunzkBR CafcM4SE2NaRqcrxd5fyvr/fq61Vk3sPhhTbrpyxBWwDNBWOmOVepEv5E RqfIXO5sBqI+yYLXK9vPcL5M3vm6MJ+WTqCdVvOEKhjLjfExf8Nshid4D QBGBqmxsH4Dsbfk/c3ZLVouGh65Fg7M7owvml/LSeQ5D68PSfL5/mhVSd FiXnu84TuNGlgyaDKZ1CfeJxh2S4r2CU3gCwvDtJDKJLEW7fFt0dR34CS g==; X-IronPort-AV: E=McAfee;i="6200,9189,10299"; a="259045648" X-IronPort-AV: E=Sophos;i="5.90,215,1643702400"; d="scan'208";a="259045648" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 Mar 2022 08:35:58 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.90,215,1643702400"; d="scan'208";a="562421540" Received: from dpdk-dipei.sh.intel.com ([10.67.110.238]) by orsmga008.jf.intel.com with ESMTP; 27 Mar 2022 08:35:56 -0700 From: Andy Pei To: dev@dpdk.org Cc: chenbo.xia@intel.com, maxime.coquelin@redhat.com, gang.cao@intel.com, changpeng.liu@intel.com Subject: [PATCH v4 07/16] example/vdpa:add vdpa blk support in example Date: Sun, 27 Mar 2022 22:51:30 +0800 Message-Id: <1648392699-60113-8-git-send-email-andy.pei@intel.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1648392699-60113-1-git-send-email-andy.pei@intel.com> References: <1643093258-47258-2-git-send-email-andy.pei@intel.com> <1648392699-60113-1-git-send-email-andy.pei@intel.com> X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Add virtio blk device support to vdpa example. Signed-off-by: Andy Pei --- examples/vdpa/main.c | 61 +++++++++++++- examples/vdpa/vdpa_blk_compact.h | 72 +++++++++++++++++ examples/vdpa/vhost_user.h | 169 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 301 insertions(+), 1 deletion(-) create mode 100644 examples/vdpa/vdpa_blk_compact.h create mode 100644 examples/vdpa/vhost_user.h diff --git a/examples/vdpa/main.c b/examples/vdpa/main.c index 5ab0765..1c809ab 100644 --- a/examples/vdpa/main.c +++ b/examples/vdpa/main.c @@ -20,6 +20,7 @@ #include #include #include +#include "vdpa_blk_compact.h" #define MAX_PATH_LEN 128 #define MAX_VDPA_SAMPLE_PORTS 1024 @@ -41,6 +42,7 @@ struct vdpa_port { static int devcnt; static int interactive; static int client_mode; +static int isblk; /* display usage */ static void @@ -49,7 +51,8 @@ struct vdpa_port { printf("Usage: %s [EAL options] -- " " --interactive|-i: run in interactive mode.\n" " --iface : specify the path prefix of the socket files, e.g. /tmp/vhost-user-.\n" - " --client: register a vhost-user socket as client mode.\n", + " --client: register a vhost-user socket as client mode.\n" + " --isblk: device is a block device, e.g. virtio_blk device.\n", prgname); } @@ -61,6 +64,7 @@ struct vdpa_port { {"iface", required_argument, NULL, 0}, {"interactive", no_argument, &interactive, 1}, {"client", no_argument, &client_mode, 1}, + {"isblk", no_argument, &isblk, 1}, {NULL, 0, 0, 0}, }; int opt, idx; @@ -159,6 +163,52 @@ struct vdpa_port { }; static int +vdpa_blk_device_set_features_and_protocol(const char *path) +{ + uint64_t protocol_features = 0; + int ret; + + ret = rte_vhost_driver_set_features(path, VHOST_BLK_FEATURES_BASE); + if (ret != 0) { + RTE_LOG(ERR, VDPA, + "rte_vhost_driver_set_features for %s failed.\n", + path); + goto out; + } + + ret = rte_vhost_driver_disable_features(path, + VHOST_VDPA_BLK_DISABLED_FEATURES); + if (ret != 0) { + RTE_LOG(ERR, VDPA, + "rte_vhost_driver_disable_features for %s failed.\n", + path); + goto out; + } + + ret = rte_vhost_driver_get_protocol_features(path, &protocol_features); + if (ret != 0) { + RTE_LOG(ERR, VDPA, + "rte_vhost_driver_get_protocol_features for %s failed.\n", + path); + goto out; + } + + protocol_features |= (1ULL << VHOST_USER_PROTOCOL_F_CONFIG); + protocol_features |= (1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD); + + ret = rte_vhost_driver_set_protocol_features(path, protocol_features); + if (ret != 0) { + RTE_LOG(ERR, VDPA, + "rte_vhost_driver_set_protocol_features for %s failed.\n", + path); + goto out; + } + +out: + return ret; +} + +static int start_vdpa(struct vdpa_port *vport) { int ret; @@ -192,6 +242,15 @@ struct vdpa_port { "attach vdpa device failed: %s\n", socket_path); + if (isblk) { + RTE_LOG(NOTICE, VDPA, "is a blk device\n"); + ret = vdpa_blk_device_set_features_and_protocol(socket_path); + if (ret != 0) + rte_exit(EXIT_FAILURE, + "set vhost blk driver features and protocol features failed: %s\n", + socket_path); + } + if (rte_vhost_driver_start(socket_path) < 0) rte_exit(EXIT_FAILURE, "start vhost driver failed: %s\n", diff --git a/examples/vdpa/vdpa_blk_compact.h b/examples/vdpa/vdpa_blk_compact.h new file mode 100644 index 0000000..e7c0f22 --- /dev/null +++ b/examples/vdpa/vdpa_blk_compact.h @@ -0,0 +1,72 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2022 Intel Corporation + */ + +#ifndef _VDPA_BLK_COMPACT_H_ +#define _VDPA_BLK_COMPACT_H_ + +/** + * @file + * + * Device specific vhost lib + */ + +#include + +#include +#include + +/* Feature bits */ +#define VIRTIO_BLK_F_SIZE_MAX 1 /* Indicates maximum segment size */ +#define VIRTIO_BLK_F_SEG_MAX 2 /* Indicates maximum # of segments */ +#define VIRTIO_BLK_F_GEOMETRY 4 /* Legacy geometry available */ +#define VIRTIO_BLK_F_RO 5 /* Disk is read-only */ +#define VIRTIO_BLK_F_BLK_SIZE 6 /* Block size of disk is available */ +#define VIRTIO_BLK_F_TOPOLOGY 10 /* Topology information is available */ +#define VIRTIO_BLK_F_MQ 12 /* support more than one vq */ +#define VIRTIO_BLK_F_DISCARD 13 /* DISCARD is supported */ +#define VIRTIO_BLK_F_WRITE_ZEROES 14 /* WRITE ZEROES is supported */ + +/* Legacy feature bits */ +#ifndef VIRTIO_BLK_NO_LEGACY +#define VIRTIO_BLK_F_BARRIER 0 /* Does host support barriers? */ +#define VIRTIO_BLK_F_SCSI 7 /* Supports scsi command passthru */ +#define VIRTIO_BLK_F_FLUSH 9 /* Flush command supported */ +#define VIRTIO_BLK_F_CONFIG_WCE 11 /* Writeback mode available in config */ + +/* Old (deprecated) name for VIRTIO_BLK_F_FLUSH. */ +#define VIRTIO_BLK_F_WCE VIRTIO_BLK_F_FLUSH +#endif /* !VIRTIO_BLK_NO_LEGACY */ + +#ifndef VHOST_USER_F_PROTOCOL_FEATURES +#define VHOST_USER_F_PROTOCOL_FEATURES 30 +#endif + +#define VHOST_BLK_FEATURES ((1ULL << VHOST_F_LOG_ALL) | \ + (1ULL << VHOST_USER_F_PROTOCOL_FEATURES) | \ + (1ULL << VIRTIO_F_VERSION_1) | \ + (1ULL << VIRTIO_F_NOTIFY_ON_EMPTY) | \ + (1ULL << VIRTIO_RING_F_EVENT_IDX) | \ + (1ULL << VIRTIO_RING_F_INDIRECT_DESC)) + +#define VHOST_BLK_DISABLED_FEATURES ((1ULL << VIRTIO_RING_F_EVENT_IDX) | \ + (1ULL << VIRTIO_F_NOTIFY_ON_EMPTY)) + +#define VHOST_BLK_FEATURES_BASE (VHOST_BLK_FEATURES | \ + (1ULL << VIRTIO_BLK_F_SIZE_MAX) | (1ULL << VIRTIO_BLK_F_SEG_MAX) | \ + (1ULL << VIRTIO_BLK_F_GEOMETRY) | (1ULL << VIRTIO_BLK_F_BLK_SIZE) | \ + (1ULL << VIRTIO_BLK_F_TOPOLOGY) | (1ULL << VIRTIO_BLK_F_BARRIER) | \ + (1ULL << VIRTIO_BLK_F_SCSI) | (1ULL << VIRTIO_BLK_F_CONFIG_WCE) | \ + (1ULL << VIRTIO_BLK_F_MQ)) + +/* Not supported features */ +#define VHOST_VDPA_BLK_DISABLED_FEATURES (VHOST_BLK_DISABLED_FEATURES | \ + (1ULL << VIRTIO_BLK_F_GEOMETRY) | (1ULL << VIRTIO_BLK_F_CONFIG_WCE) | \ + (1ULL << VIRTIO_BLK_F_BARRIER) | (1ULL << VIRTIO_BLK_F_SCSI)) + +/* Vhost-blk support protocol features */ +#define VHOST_BLK_PROTOCOL_FEATURES \ + ((1ULL << VHOST_USER_PROTOCOL_F_CONFIG) | \ + (1ULL << VHOST_USER_PROTOCOL_F_INFLIGHT_SHMFD)) + +#endif /* _VDPA_BLK_COMPACT_H_ */ diff --git a/examples/vdpa/vhost_user.h b/examples/vdpa/vhost_user.h new file mode 100644 index 0000000..137bbc2 --- /dev/null +++ b/examples/vdpa/vhost_user.h @@ -0,0 +1,169 @@ +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2022 Intel Corporation + */ + +#ifndef _VHOST_NET_USER_H +#define _VHOST_NET_USER_H + +#include +#include + +#include "rte_vhost.h" + +/* refer to hw/virtio/vhost-user.c */ + +#define VHOST_MEMORY_MAX_NREGIONS 8 + +#ifndef VHOST_USER_MAX_CONFIG_SIZE +#define VHOST_USER_MAX_CONFIG_SIZE 256 +#endif + +#define VHOST_USER_PROTOCOL_FEATURES ((1ULL << VHOST_USER_PROTOCOL_F_MQ) | \ + (1ULL << VHOST_USER_PROTOCOL_F_LOG_SHMFD) |\ + (1ULL << VHOST_USER_PROTOCOL_F_RARP) | \ + (1ULL << VHOST_USER_PROTOCOL_F_REPLY_ACK) | \ + (1ULL << VHOST_USER_PROTOCOL_F_NET_MTU) | \ + (1ULL << VHOST_USER_PROTOCOL_F_SLAVE_REQ) | \ + (1ULL << VHOST_USER_PROTOCOL_F_CRYPTO_SESSION) | \ + (1ULL << VHOST_USER_PROTOCOL_F_SLAVE_SEND_FD) | \ + (1ULL << VHOST_USER_PROTOCOL_F_HOST_NOTIFIER) | \ + (1ULL << VHOST_USER_PROTOCOL_F_PAGEFAULT)) + +typedef enum VhostUserRequest { + VHOST_USER_NONE = 0, + VHOST_USER_GET_FEATURES = 1, + VHOST_USER_SET_FEATURES = 2, + VHOST_USER_SET_OWNER = 3, + VHOST_USER_RESET_OWNER = 4, + VHOST_USER_SET_MEM_TABLE = 5, + VHOST_USER_SET_LOG_BASE = 6, + VHOST_USER_SET_LOG_FD = 7, + VHOST_USER_SET_VRING_NUM = 8, + VHOST_USER_SET_VRING_ADDR = 9, + VHOST_USER_SET_VRING_BASE = 10, + VHOST_USER_GET_VRING_BASE = 11, + VHOST_USER_SET_VRING_KICK = 12, + VHOST_USER_SET_VRING_CALL = 13, + VHOST_USER_SET_VRING_ERR = 14, + VHOST_USER_GET_PROTOCOL_FEATURES = 15, + VHOST_USER_SET_PROTOCOL_FEATURES = 16, + VHOST_USER_GET_QUEUE_NUM = 17, + VHOST_USER_SET_VRING_ENABLE = 18, + VHOST_USER_SEND_RARP = 19, + VHOST_USER_NET_SET_MTU = 20, + VHOST_USER_SET_SLAVE_REQ_FD = 21, + VHOST_USER_IOTLB_MSG = 22, + VHOST_USER_CRYPTO_CREATE_SESS = 26, + VHOST_USER_CRYPTO_CLOSE_SESS = 27, + VHOST_USER_POSTCOPY_ADVISE = 28, + VHOST_USER_POSTCOPY_LISTEN = 29, + VHOST_USER_POSTCOPY_END = 30, + VHOST_USER_GET_INFLIGHT_FD = 31, + VHOST_USER_SET_INFLIGHT_FD = 32, + VHOST_USER_MAX = 33 +} VhostUserRequest; + +typedef enum VhostUserSlaveRequest { + VHOST_USER_SLAVE_NONE = 0, + VHOST_USER_SLAVE_IOTLB_MSG = 1, + VHOST_USER_SLAVE_VRING_HOST_NOTIFIER_MSG = 3, + VHOST_USER_SLAVE_MAX +} VhostUserSlaveRequest; + +typedef struct VhostUserMemoryRegion { + uint64_t guest_phys_addr; + uint64_t memory_size; + uint64_t userspace_addr; + uint64_t mmap_offset; +} VhostUserMemoryRegion; + +typedef struct VhostUserMemory { + uint32_t nregions; + uint32_t padding; + VhostUserMemoryRegion regions[VHOST_MEMORY_MAX_NREGIONS]; +} VhostUserMemory; + +typedef struct VhostUserLog { + uint64_t mmap_size; + uint64_t mmap_offset; +} VhostUserLog; + +/* Comply with Cryptodev-Linux */ +#define VHOST_USER_CRYPTO_MAX_HMAC_KEY_LENGTH 512 +#define VHOST_USER_CRYPTO_MAX_CIPHER_KEY_LENGTH 64 + +/* Same structure as vhost-user backend session info */ +typedef struct VhostUserCryptoSessionParam { + int64_t session_id; + uint32_t op_code; + uint32_t cipher_algo; + uint32_t cipher_key_len; + uint32_t hash_algo; + uint32_t digest_len; + uint32_t auth_key_len; + uint32_t aad_len; + uint8_t op_type; + uint8_t dir; + uint8_t hash_mode; + uint8_t chaining_dir; + uint8_t *ciphe_key; + uint8_t *auth_key; + uint8_t cipher_key_buf[VHOST_USER_CRYPTO_MAX_CIPHER_KEY_LENGTH]; + uint8_t auth_key_buf[VHOST_USER_CRYPTO_MAX_HMAC_KEY_LENGTH]; +} VhostUserCryptoSessionParam; + +typedef struct VhostUserVringArea { + uint64_t u64; + uint64_t size; + uint64_t offset; +} VhostUserVringArea; + +typedef struct VhostUserInflight { + uint64_t mmap_size; + uint64_t mmap_offset; + uint16_t num_queues; + uint16_t queue_size; +} VhostUserInflight; + +/** Get/set config msg payload */ +struct vhost_user_config { + uint32_t offset; + uint32_t size; + uint32_t flags; + uint8_t region[VHOST_USER_MAX_CONFIG_SIZE]; +}; + +typedef struct VhostUserMsg { + union { + uint32_t master; /* a VhostUserRequest value */ + uint32_t slave; /* a VhostUserSlaveRequest value*/ + } request; + +#define VHOST_USER_VERSION_MASK 0x3 +#define VHOST_USER_REPLY_MASK (0x1 << 2) +#define VHOST_USER_NEED_REPLY (0x1 << 3) + uint32_t flags; + uint32_t size; /* the following payload size */ + union { +#define VHOST_USER_VRING_IDX_MASK 0xff +#define VHOST_USER_VRING_NOFD_MASK (0x1<<8) + uint64_t u64; + struct vhost_vring_state state; + struct vhost_vring_addr addr; + VhostUserMemory memory; + VhostUserLog log; + struct vhost_iotlb_msg iotlb; + VhostUserCryptoSessionParam crypto_session; + VhostUserVringArea area; + VhostUserInflight inflight; + struct vhost_user_config cfg; + } payload; + int fds[VHOST_MEMORY_MAX_NREGIONS]; + int fd_num; +} __attribute((packed)) VhostUserMsg; + +#define VHOST_USER_HDR_SIZE offsetof(VhostUserMsg, payload.u64) + +/* The version of the protocol we support */ +#define VHOST_USER_VERSION 0x1 +#endif -- 1.8.3.1