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{
    "id": 61707,
    "url": "https://patches.dpdk.org/api/patches/61707/?format=api",
    "web_url": "https://patches.dpdk.org/project/dpdk/patch/20191023160154.27765-1-jin.yu@intel.com/",
    "project": {
        "id": 1,
        "url": "https://patches.dpdk.org/api/projects/1/?format=api",
        "name": "DPDK",
        "link_name": "dpdk",
        "list_id": "dev.dpdk.org",
        "list_email": "dev@dpdk.org",
        "web_url": "http://core.dpdk.org",
        "scm_url": "git://dpdk.org/dpdk",
        "webscm_url": "http://git.dpdk.org/dpdk",
        "list_archive_url": "https://inbox.dpdk.org/dev",
        "list_archive_url_format": "https://inbox.dpdk.org/dev/{}",
        "commit_url_format": ""
    },
    "msgid": "<20191023160154.27765-1-jin.yu@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20191023160154.27765-1-jin.yu@intel.com",
    "date": "2019-10-23T16:01:54",
    "name": "vhost: delete vhost scsi example",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "6ea4b24e00c48e5271b36cde59a1187e06698ad6",
    "submitter": {
        "id": 1265,
        "url": "https://patches.dpdk.org/api/people/1265/?format=api",
        "name": "Jin Yu",
        "email": "jin.yu@intel.com"
    },
    "delegate": {
        "id": 2642,
        "url": "https://patches.dpdk.org/api/users/2642/?format=api",
        "username": "mcoquelin",
        "first_name": "Maxime",
        "last_name": "Coquelin",
        "email": "maxime.coquelin@redhat.com"
    },
    "mbox": "https://patches.dpdk.org/project/dpdk/patch/20191023160154.27765-1-jin.yu@intel.com/mbox/",
    "series": [
        {
            "id": 7001,
            "url": "https://patches.dpdk.org/api/series/7001/?format=api",
            "web_url": "https://patches.dpdk.org/project/dpdk/list/?series=7001",
            "date": "2019-10-23T16:01:54",
            "name": "vhost: delete vhost scsi example",
            "version": 1,
            "mbox": "https://patches.dpdk.org/series/7001/mbox/"
        }
    ],
    "comments": "https://patches.dpdk.org/api/patches/61707/comments/",
    "check": "fail",
    "checks": "https://patches.dpdk.org/api/patches/61707/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@dpdk.org",
        "Delivered-To": "patchwork@dpdk.org",
        "Received": [
            "from [92.243.14.124] (localhost [127.0.0.1])\n\tby dpdk.org (Postfix) with ESMTP id AEC1C1BFA1;\n\tWed, 23 Oct 2019 10:20:38 +0200 (CEST)",
            "from mga04.intel.com (mga04.intel.com [192.55.52.120])\n\tby dpdk.org (Postfix) with ESMTP id B86CA1BF9C\n\tfor <dev@dpdk.org>; Wed, 23 Oct 2019 10:20:36 +0200 (CEST)",
            "from fmsmga003.fm.intel.com ([10.253.24.29])\n\tby fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384;\n\t23 Oct 2019 01:20:35 -0700",
            "from storage36.sh.intel.com ([10.67.110.177])\n\tby FMSMGA003.fm.intel.com with ESMTP; 23 Oct 2019 01:20:33 -0700"
        ],
        "X-Amp-Result": "SKIPPED(no attachment in message)",
        "X-Amp-File-Uploaded": "False",
        "X-ExtLoop1": "1",
        "X-IronPort-AV": "E=Sophos;i=\"5.68,220,1569308400\"; d=\"scan'208\";a=\"203894557\"",
        "From": "Jin Yu <jin.yu@intel.com>",
        "To": "dev@dpdk.org",
        "Cc": "changpeng.liu@intel.com, maxime.coquelin@redhat.com, tiwei.bie@intel.com,\n\tzhihong.wang@intel.com, Jin Yu <jin.yu@intel.com>",
        "Date": "Thu, 24 Oct 2019 00:01:54 +0800",
        "Message-Id": "<20191023160154.27765-1-jin.yu@intel.com>",
        "X-Mailer": "git-send-email 2.17.2",
        "Subject": "[dpdk-dev] [PATCH] vhost: delete vhost scsi example",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n\t<mailto:dev-request@dpdk.org?subject=unsubscribe>",
        "List-Archive": "<http://mails.dpdk.org/archives/dev/>",
        "List-Post": "<mailto:dev@dpdk.org>",
        "List-Help": "<mailto:dev-request@dpdk.org?subject=help>",
        "List-Subscribe": "<https://mails.dpdk.org/listinfo/dev>,\n\t<mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "This example is too old and SPDK will not maintain this example\nanymore. Also SPDK has submitted a new vhost example vhost-blk.\nWe will keep on maintaining vhost-blk and It shows the packed\nring and live recovery support.\n\nSigned-off-by: Jin Yu <jin.yu@intel.com>\n---\n examples/vhost_scsi/Makefile     |  69 -----\n examples/vhost_scsi/meson.build  |  21 --\n examples/vhost_scsi/scsi.c       | 515 -------------------------------\n examples/vhost_scsi/scsi_spec.h  | 464 ----------------------------\n examples/vhost_scsi/vhost_scsi.c | 487 -----------------------------\n examples/vhost_scsi/vhost_scsi.h |  79 -----\n 6 files changed, 1635 deletions(-)\n delete mode 100644 examples/vhost_scsi/Makefile\n delete mode 100644 examples/vhost_scsi/meson.build\n delete mode 100644 examples/vhost_scsi/scsi.c\n delete mode 100644 examples/vhost_scsi/scsi_spec.h\n delete mode 100644 examples/vhost_scsi/vhost_scsi.c\n delete mode 100644 examples/vhost_scsi/vhost_scsi.h",
    "diff": "diff --git a/examples/vhost_scsi/Makefile b/examples/vhost_scsi/Makefile\ndeleted file mode 100644\nindex 05e1cedb7..000000000\n--- a/examples/vhost_scsi/Makefile\n+++ /dev/null\n@@ -1,69 +0,0 @@\n-# SPDX-License-Identifier: BSD-3-Clause\n-# Copyright(c) 2010-2017 Intel Corporation\n-\n-# binary name\n-APP = vhost-scsi\n-\n-# all source are stored in SRCS-y\n-SRCS-y := scsi.c vhost_scsi.c\n-\n-# Build using pkg-config variables if possible\n-ifeq ($(shell pkg-config --exists libdpdk && echo 0),0)\n-\n-all: shared\n-.PHONY: shared static\n-shared: build/$(APP)-shared\n-\tln -sf $(APP)-shared build/$(APP)\n-static: build/$(APP)-static\n-\tln -sf $(APP)-static build/$(APP)\n-\n-CFLAGS += -D_FILE_OFFSET_BITS=64\n-LDFLAGS += -pthread\n-\n-PKGCONF=pkg-config --define-prefix\n-\n-PC_FILE := $(shell $(PKGCONF) --path libdpdk)\n-CFLAGS += -O3 $(shell $(PKGCONF) --cflags libdpdk)\n-LDFLAGS_SHARED = $(shell $(PKGCONF) --libs libdpdk)\n-LDFLAGS_STATIC = -Wl,-Bstatic $(shell $(PKGCONF) --static --libs libdpdk)\n-\n-build/$(APP)-shared: $(SRCS-y) Makefile $(PC_FILE) | build\n-\t$(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_SHARED)\n-\n-build/$(APP)-static: $(SRCS-y) Makefile $(PC_FILE) | build\n-\t$(CC) $(CFLAGS) $(SRCS-y) -o $@ $(LDFLAGS) $(LDFLAGS_STATIC)\n-\n-build:\n-\t@mkdir -p $@\n-\n-.PHONY: clean\n-clean:\n-\trm -f build/$(APP) build/$(APP)-static build/$(APP)-shared\n-\ttest -d build && rmdir -p build || true\n-\n-else # Build using legacy build system\n-\n-ifeq ($(RTE_SDK),)\n-$(error \"Please define RTE_SDK environment variable\")\n-endif\n-\n-# Default target, detect a build directory, by looking for a path with a .config\n-RTE_TARGET ?= $(notdir $(abspath $(dir $(firstword $(wildcard $(RTE_SDK)/*/.config)))))\n-\n-include $(RTE_SDK)/mk/rte.vars.mk\n-\n-ifneq ($(CONFIG_RTE_EXEC_ENV_LINUX),y)\n-$(info This application can only operate in a linux environment, \\\n-please change the definition of the RTE_TARGET environment variable)\n-all:\n-else\n-\n-CFLAGS += -DALLOW_EXPERIMENTAL_API\n-CFLAGS += -D_FILE_OFFSET_BITS=64\n-CFLAGS += -O2\n-CFLAGS += $(WERROR_FLAGS)\n-\n-include $(RTE_SDK)/mk/rte.extapp.mk\n-\n-endif\n-endif\ndiff --git a/examples/vhost_scsi/meson.build b/examples/vhost_scsi/meson.build\ndeleted file mode 100644\nindex 384127d5b..000000000\n--- a/examples/vhost_scsi/meson.build\n+++ /dev/null\n@@ -1,21 +0,0 @@\n-# SPDX-License-Identifier: BSD-3-Clause\n-# Copyright(c) 2017 Intel Corporation\n-\n-# meson file, for building this example as part of a main DPDK build.\n-#\n-# To build this example as a standalone application with an already-installed\n-# DPDK instance, use 'make'\n-\n-if not is_linux\n-\tbuild = false\n-endif\n-\n-if not cc.has_header('linux/virtio_scsi.h')\n-\tbuild = false\n-endif\n-\n-deps += 'vhost'\n-allow_experimental_apis = true\n-sources = files(\n-\t'scsi.c', 'vhost_scsi.c'\n-)\ndiff --git a/examples/vhost_scsi/scsi.c b/examples/vhost_scsi/scsi.c\ndeleted file mode 100644\nindex b1529afdc..000000000\n--- a/examples/vhost_scsi/scsi.c\n+++ /dev/null\n@@ -1,515 +0,0 @@\n-/* SPDX-License-Identifier: BSD-3-Clause\n- * Copyright(c) 2010-2017 Intel Corporation\n- */\n-\n-/**\n- * This work is largely based on the \"vhost-user-scsi\" implementation by\n- * SPDK(https://github.com/spdk/spdk).\n- */\n-\n-#include <stdio.h>\n-#include <stdint.h>\n-#include <unistd.h>\n-#include <assert.h>\n-#include <ctype.h>\n-#include <string.h>\n-#include <stddef.h>\n-\n-#include <rte_atomic.h>\n-#include <rte_cycles.h>\n-#include <rte_log.h>\n-#include <rte_malloc.h>\n-#include <rte_byteorder.h>\n-#include <rte_string_fns.h>\n-\n-#include \"vhost_scsi.h\"\n-#include \"scsi_spec.h\"\n-\n-#define INQ_OFFSET(field) (offsetof(struct scsi_cdb_inquiry_data, field) + \\\n-\t\t\t  sizeof(((struct scsi_cdb_inquiry_data *)0x0)->field))\n-\n-static void\n-vhost_strcpy_pad(void *dst, const char *src, size_t size, int pad)\n-{\n-\tsize_t len;\n-\n-\tlen = strlen(src);\n-\tif (len < size) {\n-\t\tmemcpy(dst, src, len);\n-\t\tmemset((char *)dst + len, pad, size - len);\n-\t} else {\n-\t\tmemcpy(dst, src, size);\n-\t}\n-}\n-\n-static int\n-vhost_hex2bin(char ch)\n-{\n-\tif ((ch >= '0') && (ch <= '9'))\n-\t\treturn ch - '0';\n-\tch = tolower(ch);\n-\tif ((ch >= 'a') && (ch <= 'f'))\n-\t\treturn ch - 'a' + 10;\n-\treturn (int)ch;\n-}\n-\n-static void\n-vhost_bdev_scsi_set_naa_ieee_extended(const char *name, uint8_t *buf)\n-{\n-\tint i, value, count = 0;\n-\tuint64_t *temp64, local_value;\n-\n-\tfor (i = 0; (i < 16) && (name[i] != '\\0'); i++) {\n-\t\tvalue = vhost_hex2bin(name[i]);\n-\t\tif (i % 2)\n-\t\t\tbuf[count++] |= value << 4;\n-\t\telse\n-\t\t\tbuf[count] = value;\n-\t}\n-\n-\tlocal_value = *(uint64_t *)buf;\n-\t/*\n-\t * see spc3r23 7.6.3.6.2,\n-\t *  NAA IEEE Extended identifer format\n-\t */\n-\tlocal_value &= 0x0fff000000ffffffull;\n-\t/* NAA 02, and 00 03 47 for IEEE Intel */\n-\tlocal_value |= 0x2000000347000000ull;\n-\n-\ttemp64 = (uint64_t *)buf;\n-\t*temp64 = rte_cpu_to_be_64(local_value);\n-}\n-\n-static void\n-scsi_task_build_sense_data(struct vhost_scsi_task *task, int sk,\n-\t\t\t   int asc, int ascq)\n-{\n-\tuint8_t *cp;\n-\tint resp_code;\n-\n-\tresp_code = 0x70; /* Current + Fixed format */\n-\n-\t/* Sense Data */\n-\tcp = (uint8_t *)task->resp->sense;\n-\n-\t/* VALID(7) RESPONSE CODE(6-0) */\n-\tcp[0] = 0x80 | resp_code;\n-\t/* Obsolete */\n-\tcp[1] = 0;\n-\t/* FILEMARK(7) EOM(6) ILI(5) SENSE KEY(3-0) */\n-\tcp[2] = sk & 0xf;\n-\t/* INFORMATION */\n-\tmemset(&cp[3], 0, 4);\n-\n-\t/* ADDITIONAL SENSE LENGTH */\n-\tcp[7] = 10;\n-\n-\t/* COMMAND-SPECIFIC INFORMATION */\n-\tmemset(&cp[8], 0, 4);\n-\t/* ADDITIONAL SENSE CODE */\n-\tcp[12] = asc;\n-\t/* ADDITIONAL SENSE CODE QUALIFIER */\n-\tcp[13] = ascq;\n-\t/* FIELD REPLACEABLE UNIT CODE */\n-\tcp[14] = 0;\n-\n-\t/* SKSV(7) SENSE KEY SPECIFIC(6-0,7-0,7-0) */\n-\tcp[15] = 0;\n-\tcp[16] = 0;\n-\tcp[17] = 0;\n-\n-\t/* SenseLength */\n-\ttask->resp->sense_len = 18;\n-}\n-\n-static void\n-scsi_task_set_status(struct vhost_scsi_task *task, int sc, int sk,\n-\t\t     int asc, int ascq)\n-{\n-\tif (sc == SCSI_STATUS_CHECK_CONDITION)\n-\t\tscsi_task_build_sense_data(task, sk, asc, ascq);\n-\ttask->resp->status = sc;\n-}\n-\n-static int\n-vhost_bdev_scsi_inquiry_command(struct vhost_block_dev *bdev,\n-\t\t\t\tstruct vhost_scsi_task *task)\n-{\n-\tint hlen = 0;\n-\tuint32_t alloc_len = 0;\n-\tuint16_t len = 0;\n-\tuint16_t *temp16;\n-\tint pc;\n-\tint pd;\n-\tint evpd;\n-\tint i;\n-\tuint8_t *buf;\n-\tstruct scsi_cdb_inquiry *inq;\n-\n-\tinq = (struct scsi_cdb_inquiry *)task->req->cdb;\n-\n-\tassert(task->iovs_cnt == 1);\n-\n-\t/* At least 36Bytes for inquiry command */\n-\tif (task->data_len < 0x24)\n-\t\tgoto inq_error;\n-\n-\tpd = SPC_PERIPHERAL_DEVICE_TYPE_DISK;\n-\tpc = inq->page_code;\n-\tevpd = inq->evpd & 0x1;\n-\n-\tif (!evpd && pc)\n-\t\tgoto inq_error;\n-\n-\tif (evpd) {\n-\t\tstruct scsi_vpd_page *vpage = (struct scsi_vpd_page *)\n-\t\t\t\t\t      task->iovs[0].iov_base;\n-\n-\t\t/* PERIPHERAL QUALIFIER(7-5) PERIPHERAL DEVICE TYPE(4-0) */\n-\t\tvpage->peripheral = pd;\n-\t\t/* PAGE CODE */\n-\t\tvpage->page_code = pc;\n-\n-\t\tswitch (pc) {\n-\t\tcase SPC_VPD_SUPPORTED_VPD_PAGES:\n-\t\t\thlen = 4;\n-\t\t\tvpage->params[0] = SPC_VPD_SUPPORTED_VPD_PAGES;\n-\t\t\tvpage->params[1] = SPC_VPD_UNIT_SERIAL_NUMBER;\n-\t\t\tvpage->params[2] = SPC_VPD_DEVICE_IDENTIFICATION;\n-\t\t\tlen = 3;\n-\t\t\t/* PAGE LENGTH */\n-\t\t\tvpage->alloc_len = rte_cpu_to_be_16(len);\n-\t\t\tbreak;\n-\t\tcase SPC_VPD_UNIT_SERIAL_NUMBER:\n-\t\t\thlen = 4;\n-\t\t\tstrlcpy((char *)vpage->params, bdev->name,\n-\t\t\t\t\tsizeof(vpage->params));\n-\t\t\tvpage->alloc_len = rte_cpu_to_be_16(32);\n-\t\t\tbreak;\n-\t\tcase SPC_VPD_DEVICE_IDENTIFICATION:\n-\t\t\tbuf = vpage->params;\n-\t\t\tstruct scsi_desig_desc *desig;\n-\n-\t\t\thlen = 4;\n-\t\t\t/* NAA designator */\n-\t\t\tdesig = (struct scsi_desig_desc *)buf;\n-\t\t\tdesig->code_set = SPC_VPD_CODE_SET_BINARY;\n-\t\t\tdesig->protocol_id = SPC_PROTOCOL_IDENTIFIER_ISCSI;\n-\t\t\tdesig->type = SPC_VPD_IDENTIFIER_TYPE_NAA;\n-\t\t\tdesig->association = SPC_VPD_ASSOCIATION_LOGICAL_UNIT;\n-\t\t\tdesig->reserved0 = 0;\n-\t\t\tdesig->piv = 1;\n-\t\t\tdesig->reserved1 = 0;\n-\t\t\tdesig->len = 8;\n-\t\t\tvhost_bdev_scsi_set_naa_ieee_extended(bdev->name,\n-\t\t\t\t\t\t\t      desig->desig);\n-\t\t\tlen = sizeof(struct scsi_desig_desc) + 8;\n-\n-\t\t\tbuf += sizeof(struct scsi_desig_desc) + desig->len;\n-\n-\t\t\t/* T10 Vendor ID designator */\n-\t\t\tdesig = (struct scsi_desig_desc *)buf;\n-\t\t\tdesig->code_set = SPC_VPD_CODE_SET_ASCII;\n-\t\t\tdesig->protocol_id = SPC_PROTOCOL_IDENTIFIER_ISCSI;\n-\t\t\tdesig->type = SPC_VPD_IDENTIFIER_TYPE_T10_VENDOR_ID;\n-\t\t\tdesig->association = SPC_VPD_ASSOCIATION_LOGICAL_UNIT;\n-\t\t\tdesig->reserved0 = 0;\n-\t\t\tdesig->piv = 1;\n-\t\t\tdesig->reserved1 = 0;\n-\t\t\tdesig->len = 8 + 16 + 32;\n-\t\t\tstrlcpy((char *)desig->desig, \"INTEL\", 8);\n-\t\t\tvhost_strcpy_pad((char *)&desig->desig[8],\n-\t\t\t\t\t bdev->product_name, 16, ' ');\n-\t\t\tstrlcpy((char *)&desig->desig[24], bdev->name, 32);\n-\t\t\tlen += sizeof(struct scsi_desig_desc) + 8 + 16 + 32;\n-\n-\t\t\tbuf += sizeof(struct scsi_desig_desc) + desig->len;\n-\n-\t\t\t/* SCSI Device Name designator */\n-\t\t\tdesig = (struct scsi_desig_desc *)buf;\n-\t\t\tdesig->code_set = SPC_VPD_CODE_SET_UTF8;\n-\t\t\tdesig->protocol_id = SPC_PROTOCOL_IDENTIFIER_ISCSI;\n-\t\t\tdesig->type = SPC_VPD_IDENTIFIER_TYPE_SCSI_NAME;\n-\t\t\tdesig->association = SPC_VPD_ASSOCIATION_TARGET_DEVICE;\n-\t\t\tdesig->reserved0 = 0;\n-\t\t\tdesig->piv = 1;\n-\t\t\tdesig->reserved1 = 0;\n-\t\t\tdesig->len = strlcpy((char *)desig->desig, bdev->name,\n-\t\t\t\t\t     255);\n-\t\t\tlen += sizeof(struct scsi_desig_desc) + desig->len;\n-\n-\t\t\tbuf += sizeof(struct scsi_desig_desc) + desig->len;\n-\t\t\tvpage->alloc_len = rte_cpu_to_be_16(len);\n-\t\t\tbreak;\n-\t\tdefault:\n-\t\t\tgoto inq_error;\n-\t\t}\n-\n-\t} else {\n-\t\tstruct scsi_cdb_inquiry_data *inqdata =\n-\t\t\t(struct scsi_cdb_inquiry_data *)task->iovs[0].iov_base;\n-\t\t/* Standard INQUIRY data */\n-\t\t/* PERIPHERAL QUALIFIER(7-5) PERIPHERAL DEVICE TYPE(4-0) */\n-\t\tinqdata->peripheral = pd;\n-\n-\t\t/* RMB(7) */\n-\t\tinqdata->rmb = 0;\n-\n-\t\t/* VERSION */\n-\t\t/* See SPC3/SBC2/MMC4/SAM2 for more details */\n-\t\tinqdata->version = SPC_VERSION_SPC3;\n-\n-\t\t/* NORMACA(5) HISUP(4) RESPONSE DATA FORMAT(3-0) */\n-\t\t/* format 2 */ /* hierarchical support */\n-\t\tinqdata->response = 2 | 1 << 4;\n-\n-\t\thlen = 5;\n-\n-\t\t/* SCCS(7) ACC(6) TPGS(5-4) 3PC(3) PROTECT(0) */\n-\t\t/* Not support TPGS */\n-\t\tinqdata->flags = 0;\n-\n-\t\t/* MULTIP */\n-\t\tinqdata->flags2 = 0x10;\n-\n-\t\t/* WBUS16(5) SYNC(4) LINKED(3) CMDQUE(1) VS(0) */\n-\t\t/* CMDQUE */\n-\t\tinqdata->flags3 = 0x2;\n-\n-\t\t/* T10 VENDOR IDENTIFICATION */\n-\t\tstrlcpy((char *)inqdata->t10_vendor_id, \"INTEL\",\n-\t\t\tsizeof(inqdata->t10_vendor_id));\n-\n-\t\t/* PRODUCT IDENTIFICATION */\n-\t\tstrlcpy((char *)inqdata->product_id, bdev->product_name,\n-\t\t\tRTE_DIM(inqdata->product_id));\n-\n-\t\t/* PRODUCT REVISION LEVEL */\n-\t\tstrlcpy((char *)inqdata->product_rev, \"0001\",\n-\t\t\tsizeof(inqdata->product_rev));\n-\n-\t\t/* Standard inquiry data ends here. Only populate\n-\t\t * remaining fields if alloc_len indicates enough\n-\t\t * space to hold it.\n-\t\t */\n-\t\tlen = INQ_OFFSET(product_rev) - 5;\n-\n-\t\tif (alloc_len >= INQ_OFFSET(vendor)) {\n-\t\t\t/* Vendor specific */\n-\t\t\tmemset(inqdata->vendor, 0x20, 20);\n-\t\t\tlen += sizeof(inqdata->vendor);\n-\t\t}\n-\n-\t\tif (alloc_len >= INQ_OFFSET(ius)) {\n-\t\t\t/* CLOCKING(3-2) QAS(1) IUS(0) */\n-\t\t\tinqdata->ius = 0;\n-\t\t\tlen += sizeof(inqdata->ius);\n-\t\t}\n-\n-\t\tif (alloc_len >= INQ_OFFSET(reserved)) {\n-\t\t\t/* Reserved */\n-\t\t\tinqdata->reserved = 0;\n-\t\t\tlen += sizeof(inqdata->reserved);\n-\t\t}\n-\n-\t\t/* VERSION DESCRIPTOR 1-8 */\n-\t\tif (alloc_len >= INQ_OFFSET(reserved) + 2) {\n-\t\t\ttemp16 = (uint16_t *)&inqdata->desc[0];\n-\t\t\t*temp16 = rte_cpu_to_be_16(0x0960);\n-\t\t\tlen += 2;\n-\t\t}\n-\n-\t\tif (alloc_len >= INQ_OFFSET(reserved) + 4) {\n-\t\t\t/* SPC-3 (no version claimed) */\n-\t\t\ttemp16 = (uint16_t *)&inqdata->desc[2];\n-\t\t\t*temp16 = rte_cpu_to_be_16(0x0300);\n-\t\t\tlen += 2;\n-\t\t}\n-\n-\t\tif (alloc_len >= INQ_OFFSET(reserved) + 6) {\n-\t\t\t/* SBC-2 (no version claimed) */\n-\t\t\ttemp16 = (uint16_t *)&inqdata->desc[4];\n-\t\t\t*temp16 = rte_cpu_to_be_16(0x0320);\n-\t\t\tlen += 2;\n-\t\t}\n-\n-\t\tif (alloc_len >= INQ_OFFSET(reserved) + 8) {\n-\t\t\t/* SAM-2 (no version claimed) */\n-\t\t\ttemp16 = (uint16_t *)&inqdata->desc[6];\n-\t\t\t*temp16 = rte_cpu_to_be_16(0x0040);\n-\t\t\tlen += 2;\n-\t\t}\n-\n-\t\tif (alloc_len > INQ_OFFSET(reserved) + 8) {\n-\t\t\ti = alloc_len - (INQ_OFFSET(reserved) + 8);\n-\t\t\tif (i > 30)\n-\t\t\t\ti = 30;\n-\t\t\tmemset(&inqdata->desc[8], 0, i);\n-\t\t\tlen += i;\n-\t\t}\n-\n-\t\t/* ADDITIONAL LENGTH */\n-\t\tinqdata->add_len = len;\n-\t}\n-\n-\t/* STATUS GOOD */\n-\tscsi_task_set_status(task, SCSI_STATUS_GOOD, 0, 0, 0);\n-\treturn hlen + len;\n-\n-inq_error:\n-\tscsi_task_set_status(task, SCSI_STATUS_CHECK_CONDITION,\n-\t\t\t\t     SCSI_SENSE_ILLEGAL_REQUEST,\n-\t\t\t\t     SCSI_ASC_INVALID_FIELD_IN_CDB,\n-\t\t\t\t     SCSI_ASCQ_CAUSE_NOT_REPORTABLE);\n-\treturn 0;\n-}\n-\n-static int\n-vhost_bdev_scsi_readwrite(struct vhost_block_dev *bdev,\n-\t\t\t  struct vhost_scsi_task *task,\n-\t\t\t  uint64_t lba, __rte_unused uint32_t xfer_len)\n-{\n-\tuint32_t i;\n-\tuint64_t offset;\n-\tuint32_t nbytes = 0;\n-\n-\toffset = lba * bdev->blocklen;\n-\n-\tfor (i = 0; i < task->iovs_cnt; i++) {\n-\t\tif (task->dxfer_dir == SCSI_DIR_TO_DEV)\n-\t\t\tmemcpy(bdev->data + offset, task->iovs[i].iov_base,\n-\t\t\t       task->iovs[i].iov_len);\n-\t\telse\n-\t\t\tmemcpy(task->iovs[i].iov_base, bdev->data + offset,\n-\t\t\t       task->iovs[i].iov_len);\n-\t\toffset += task->iovs[i].iov_len;\n-\t\tnbytes += task->iovs[i].iov_len;\n-\t}\n-\n-\treturn nbytes;\n-}\n-\n-static int\n-vhost_bdev_scsi_process_block(struct vhost_block_dev *bdev,\n-\t\t\t      struct vhost_scsi_task *task)\n-{\n-\tuint64_t lba, *temp64;\n-\tuint32_t xfer_len, *temp32;\n-\tuint16_t *temp16;\n-\tuint8_t *cdb = (uint8_t *)task->req->cdb;\n-\n-\tswitch (cdb[0]) {\n-\tcase SBC_READ_6:\n-\tcase SBC_WRITE_6:\n-\t\tlba = (uint64_t)cdb[1] << 16;\n-\t\tlba |= (uint64_t)cdb[2] << 8;\n-\t\tlba |= (uint64_t)cdb[3];\n-\t\txfer_len = cdb[4];\n-\t\tif (xfer_len == 0)\n-\t\t\txfer_len = 256;\n-\t\treturn vhost_bdev_scsi_readwrite(bdev, task, lba, xfer_len);\n-\n-\tcase SBC_READ_10:\n-\tcase SBC_WRITE_10:\n-\t\ttemp32 = (uint32_t *)&cdb[2];\n-\t\tlba = rte_be_to_cpu_32(*temp32);\n-\t\ttemp16 = (uint16_t *)&cdb[7];\n-\t\txfer_len = rte_be_to_cpu_16(*temp16);\n-\t\treturn vhost_bdev_scsi_readwrite(bdev, task, lba, xfer_len);\n-\n-\tcase SBC_READ_12:\n-\tcase SBC_WRITE_12:\n-\t\ttemp32 = (uint32_t *)&cdb[2];\n-\t\tlba = rte_be_to_cpu_32(*temp32);\n-\t\ttemp32 = (uint32_t *)&cdb[6];\n-\t\txfer_len = rte_be_to_cpu_32(*temp32);\n-\t\treturn vhost_bdev_scsi_readwrite(bdev, task, lba, xfer_len);\n-\n-\tcase SBC_READ_16:\n-\tcase SBC_WRITE_16:\n-\t\ttemp64 = (uint64_t *)&cdb[2];\n-\t\tlba = rte_be_to_cpu_64(*temp64);\n-\t\ttemp32 = (uint32_t *)&cdb[10];\n-\t\txfer_len = rte_be_to_cpu_32(*temp32);\n-\t\treturn vhost_bdev_scsi_readwrite(bdev, task, lba, xfer_len);\n-\n-\tcase SBC_READ_CAPACITY_10: {\n-\t\tuint8_t buffer[8];\n-\n-\t\tif (bdev->blockcnt - 1 > 0xffffffffULL)\n-\t\t\tmemset(buffer, 0xff, 4);\n-\t\telse {\n-\t\t\ttemp32 = (uint32_t *)buffer;\n-\t\t\t*temp32 = rte_cpu_to_be_32(bdev->blockcnt - 1);\n-\t\t}\n-\t\ttemp32 = (uint32_t *)&buffer[4];\n-\t\t*temp32 = rte_cpu_to_be_32(bdev->blocklen);\n-\t\tmemcpy(task->iovs[0].iov_base, buffer, sizeof(buffer));\n-\t\ttask->resp->status = SCSI_STATUS_GOOD;\n-\t\treturn sizeof(buffer);\n-\t}\n-\n-\tcase SBC_SYNCHRONIZE_CACHE_10:\n-\tcase SBC_SYNCHRONIZE_CACHE_16:\n-\t\ttask->resp->status = SCSI_STATUS_GOOD;\n-\t\treturn 0;\n-\t}\n-\n-\tscsi_task_set_status(task, SCSI_STATUS_CHECK_CONDITION,\n-\t\t\t     SCSI_SENSE_ILLEGAL_REQUEST,\n-\t\t\t     SCSI_ASC_INVALID_FIELD_IN_CDB,\n-\t\t\t     SCSI_ASCQ_CAUSE_NOT_REPORTABLE);\n-\treturn 0;\n-}\n-\n-int\n-vhost_bdev_process_scsi_commands(struct vhost_block_dev *bdev,\n-\t\t\t\t struct vhost_scsi_task *task)\n-{\n-\tint len;\n-\tuint8_t *data;\n-\tuint64_t *temp64, fmt_lun = 0;\n-\tuint32_t *temp32;\n-\tconst uint8_t *lun;\n-\tuint8_t *cdb = (uint8_t *)task->req->cdb;\n-\n-\tlun = (const uint8_t *)task->req->lun;\n-\t/* only 1 LUN supported */\n-\tif (lun[0] != 1 || lun[1] >= 1)\n-\t\treturn -1;\n-\n-\tswitch (cdb[0]) {\n-\tcase SPC_INQUIRY:\n-\t\tlen = vhost_bdev_scsi_inquiry_command(bdev, task);\n-\t\ttask->data_len = len;\n-\t\tbreak;\n-\tcase SPC_REPORT_LUNS:\n-\t\tdata = (uint8_t *)task->iovs[0].iov_base;\n-\t\tfmt_lun |= (0x0ULL & 0x00ffULL) << 48;\n-\t\ttemp64 = (uint64_t *)&data[8];\n-\t\t*temp64 = rte_cpu_to_be_64(fmt_lun);\n-\t\ttemp32 = (uint32_t *)data;\n-\t\t*temp32 = rte_cpu_to_be_32(8);\n-\t\ttask->data_len = 16;\n-\t\tscsi_task_set_status(task, SCSI_STATUS_GOOD, 0, 0, 0);\n-\t\tbreak;\n-\tcase SPC_MODE_SELECT_6:\n-\tcase SPC_MODE_SELECT_10:\n-\t\t/* don't support it now */\n-\t\tscsi_task_set_status(task, SCSI_STATUS_GOOD, 0, 0, 0);\n-\t\tbreak;\n-\tcase SPC_MODE_SENSE_6:\n-\tcase SPC_MODE_SENSE_10:\n-\t\t/* don't support it now */\n-\t\tscsi_task_set_status(task, SCSI_STATUS_GOOD, 0, 0, 0);\n-\t\tbreak;\n-\tcase SPC_TEST_UNIT_READY:\n-\t\tscsi_task_set_status(task, SCSI_STATUS_GOOD, 0, 0, 0);\n-\t\tbreak;\n-\tdefault:\n-\t\tlen = vhost_bdev_scsi_process_block(bdev, task);\n-\t\ttask->data_len = len;\n-\t}\n-\n-\treturn 0;\n-}\ndiff --git a/examples/vhost_scsi/scsi_spec.h b/examples/vhost_scsi/scsi_spec.h\ndeleted file mode 100644\nindex 27be02688..000000000\n--- a/examples/vhost_scsi/scsi_spec.h\n+++ /dev/null\n@@ -1,464 +0,0 @@\n-/* SPDX-License-Identifier: BSD-3-Clause\n- * Copyright(c) 2017 Intel Corporation\n- */\n-\n-/**\n- * SCSI specification definition\n- * refer http://www.t10.org/drafts.htm#SPC_Family for SPC-3 and SBC-3\n- */\n-\n-#ifndef _SCSI_SPEC_H\n-#define _SCSI_SPEC_H\n-\n-#include <stdint.h>\n-\n-enum scsi_group_code {\n-\tSCSI_6BYTE_CMD = 0x00,\n-\tSCSI_10BYTE_CMD = 0x20,\n-\tSCSI_10BYTE_CMD2 = 0x40,\n-\tSCSI_16BYTE_CMD = 0x80,\n-\tSCSI_12BYTE_CMD = 0xa0,\n-};\n-\n-#define SCSI_GROUP_MASK\t0xe0\n-#define SCSI_OPCODE_MASK\t0x1f\n-\n-enum scsi_status {\n-\tSCSI_STATUS_GOOD = 0x00,\n-\tSCSI_STATUS_CHECK_CONDITION = 0x02,\n-\tSCSI_STATUS_CONDITION_MET = 0x04,\n-\tSCSI_STATUS_BUSY = 0x08,\n-\tSCSI_STATUS_INTERMEDIATE = 0x10,\n-\tSCSI_STATUS_INTERMEDIATE_CONDITION_MET = 0x14,\n-\tSCSI_STATUS_RESERVATION_CONFLICT = 0x18,\n-\tSCSI_STATUS_Obsolete = 0x22,\n-\tSCSI_STATUS_TASK_SET_FULL = 0x28,\n-\tSCSI_STATUS_ACA_ACTIVE = 0x30,\n-\tSCSI_STATUS_TASK_ABORTED = 0x40,\n-};\n-\n-enum scsi_sense {\n-\tSCSI_SENSE_NO_SENSE = 0x00,\n-\tSCSI_SENSE_RECOVERED_ERROR = 0x01,\n-\tSCSI_SENSE_NOT_READY = 0x02,\n-\tSCSI_SENSE_MEDIUM_ERROR = 0x03,\n-\tSCSI_SENSE_HARDWARE_ERROR = 0x04,\n-\tSCSI_SENSE_ILLEGAL_REQUEST = 0x05,\n-\tSCSI_SENSE_UNIT_ATTENTION = 0x06,\n-\tSCSI_SENSE_DATA_PROTECT = 0x07,\n-\tSCSI_SENSE_BLANK_CHECK = 0x08,\n-\tSCSI_SENSE_VENDOR_SPECIFIC = 0x09,\n-\tSCSI_SENSE_COPY_ABORTED = 0x0a,\n-\tSCSI_SENSE_ABORTED_COMMAND = 0x0b,\n-\tSCSI_SENSE_VOLUME_OVERFLOW = 0x0d,\n-\tSCSI_SENSE_MISCOMPARE = 0x0e,\n-};\n-\n-enum scsi_asc {\n-\tSCSI_ASC_NO_ADDITIONAL_SENSE = 0x00,\n-\tSCSI_ASC_PERIPHERAL_DEVICE_WRITE_FAULT = 0x03,\n-\tSCSI_ASC_LOGICAL_UNIT_NOT_READY = 0x04,\n-\tSCSI_ASC_WARNING = 0x0b,\n-\tSCSI_ASC_LOGICAL_BLOCK_GUARD_CHECK_FAILED = 0x10,\n-\tSCSI_ASC_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED = 0x10,\n-\tSCSI_ASC_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED = 0x10,\n-\tSCSI_ASC_UNRECOVERED_READ_ERROR = 0x11,\n-\tSCSI_ASC_MISCOMPARE_DURING_VERIFY_OPERATION = 0x1d,\n-\tSCSI_ASC_INVALID_COMMAND_OPERATION_CODE = 0x20,\n-\tSCSI_ASC_ACCESS_DENIED = 0x20,\n-\tSCSI_ASC_LOGICAL_BLOCK_ADDRESS_OUT_OF_RANGE = 0x21,\n-\tSCSI_ASC_INVALID_FIELD_IN_CDB = 0x24,\n-\tSCSI_ASC_LOGICAL_UNIT_NOT_SUPPORTED = 0x25,\n-\tSCSI_ASC_WRITE_PROTECTED = 0x27,\n-\tSCSI_ASC_FORMAT_COMMAND_FAILED = 0x31,\n-\tSCSI_ASC_INTERNAL_TARGET_FAILURE = 0x44,\n-};\n-\n-enum scsi_ascq {\n-\tSCSI_ASCQ_CAUSE_NOT_REPORTABLE = 0x00,\n-\tSCSI_ASCQ_BECOMING_READY = 0x01,\n-\tSCSI_ASCQ_FORMAT_COMMAND_FAILED = 0x01,\n-\tSCSI_ASCQ_LOGICAL_BLOCK_GUARD_CHECK_FAILED = 0x01,\n-\tSCSI_ASCQ_LOGICAL_BLOCK_APP_TAG_CHECK_FAILED = 0x02,\n-\tSCSI_ASCQ_NO_ACCESS_RIGHTS = 0x02,\n-\tSCSI_ASCQ_LOGICAL_BLOCK_REF_TAG_CHECK_FAILED = 0x03,\n-\tSCSI_ASCQ_POWER_LOSS_EXPECTED = 0x08,\n-\tSCSI_ASCQ_INVALID_LU_IDENTIFIER = 0x09,\n-};\n-\n-enum spc_opcode {\n-\t/* SPC3 related */\n-\tSPC_ACCESS_CONTROL_IN = 0x86,\n-\tSPC_ACCESS_CONTROL_OUT = 0x87,\n-\tSPC_EXTENDED_COPY = 0x83,\n-\tSPC_INQUIRY = 0x12,\n-\tSPC_LOG_SELECT = 0x4c,\n-\tSPC_LOG_SENSE = 0x4d,\n-\tSPC_MODE_SELECT_6 = 0x15,\n-\tSPC_MODE_SELECT_10 = 0x55,\n-\tSPC_MODE_SENSE_6 = 0x1a,\n-\tSPC_MODE_SENSE_10 = 0x5a,\n-\tSPC_PERSISTENT_RESERVE_IN = 0x5e,\n-\tSPC_PERSISTENT_RESERVE_OUT = 0x5f,\n-\tSPC_PREVENT_ALLOW_MEDIUM_REMOVAL = 0x1e,\n-\tSPC_READ_ATTRIBUTE = 0x8c,\n-\tSPC_READ_BUFFER = 0x3c,\n-\tSPC_RECEIVE_COPY_RESULTS = 0x84,\n-\tSPC_RECEIVE_DIAGNOSTIC_RESULTS = 0x1c,\n-\tSPC_REPORT_LUNS = 0xa0,\n-\tSPC_REQUEST_SENSE = 0x03,\n-\tSPC_SEND_DIAGNOSTIC = 0x1d,\n-\tSPC_TEST_UNIT_READY = 0x00,\n-\tSPC_WRITE_ATTRIBUTE = 0x8d,\n-\tSPC_WRITE_BUFFER = 0x3b,\n-\n-\tSPC_SERVICE_ACTION_IN_12 = 0xab,\n-\tSPC_SERVICE_ACTION_OUT_12 = 0xa9,\n-\tSPC_SERVICE_ACTION_IN_16 = 0x9e,\n-\tSPC_SERVICE_ACTION_OUT_16 = 0x9f,\n-\n-\tSPC_VARIABLE_LENGTH = 0x7f,\n-\n-\tSPC_MO_CHANGE_ALIASES = 0x0b,\n-\tSPC_MO_SET_DEVICE_IDENTIFIER = 0x06,\n-\tSPC_MO_SET_PRIORITY = 0x0e,\n-\tSPC_MO_SET_TARGET_PORT_GROUPS = 0x0a,\n-\tSPC_MO_SET_TIMESTAMP = 0x0f,\n-\tSPC_MI_REPORT_ALIASES = 0x0b,\n-\tSPC_MI_REPORT_DEVICE_IDENTIFIER = 0x05,\n-\tSPC_MI_REPORT_PRIORITY = 0x0e,\n-\tSPC_MI_REPORT_SUPPORTED_OPERATION_CODES = 0x0c,\n-\tSPC_MI_REPORT_SUPPORTED_TASK_MANAGEMENT_FUNCTIONS = 0x0d,\n-\tSPC_MI_REPORT_TARGET_PORT_GROUPS = 0x0a,\n-\tSPC_MI_REPORT_TIMESTAMP = 0x0f,\n-\n-\t/* SPC2 related (Obsolete) */\n-\tSPC2_RELEASE_6 = 0x17,\n-\tSPC2_RELEASE_10 = 0x57,\n-\tSPC2_RESERVE_6 = 0x16,\n-\tSPC2_RESERVE_10 = 0x56,\n-};\n-\n-enum scc_opcode {\n-\tSCC_MAINTENANCE_IN = 0xa3,\n-\tSCC_MAINTENANCE_OUT = 0xa4,\n-};\n-\n-enum sbc_opcode {\n-\tSBC_COMPARE_AND_WRITE = 0x89,\n-\tSBC_FORMAT_UNIT = 0x04,\n-\tSBC_GET_LBA_STATUS = 0x0012009e,\n-\tSBC_ORWRITE_16 = 0x8b,\n-\tSBC_PRE_FETCH_10 = 0x34,\n-\tSBC_PRE_FETCH_16 = 0x90,\n-\tSBC_READ_6 = 0x08,\n-\tSBC_READ_10 = 0x28,\n-\tSBC_READ_12 = 0xa8,\n-\tSBC_READ_16 = 0x88,\n-\tSBC_READ_ATTRIBUTE = 0x8c,\n-\tSBC_READ_BUFFER = 0x3c,\n-\tSBC_READ_CAPACITY_10 = 0x25,\n-\tSBC_READ_DEFECT_DATA_10 = 0x37,\n-\tSBC_READ_DEFECT_DATA_12 = 0xb7,\n-\tSBC_READ_LONG_10 = 0x3e,\n-\tSBC_REASSIGN_BLOCKS = 0x07,\n-\tSBC_SANITIZE = 0x48,\n-\tSBC_START_STOP_UNIT = 0x1b,\n-\tSBC_SYNCHRONIZE_CACHE_10 = 0x35,\n-\tSBC_SYNCHRONIZE_CACHE_16 = 0x91,\n-\tSBC_UNMAP = 0x42,\n-\tSBC_VERIFY_10 = 0x2f,\n-\tSBC_VERIFY_12 = 0xaf,\n-\tSBC_VERIFY_16 = 0x8f,\n-\tSBC_WRITE_6 = 0x0a,\n-\tSBC_WRITE_10 = 0x2a,\n-\tSBC_WRITE_12 = 0xaa,\n-\tSBC_WRITE_16 = 0x8a,\n-\tSBC_WRITE_AND_VERIFY_10 = 0x2e,\n-\tSBC_WRITE_AND_VERIFY_12 = 0xae,\n-\tSBC_WRITE_AND_VERIFY_16 = 0x8e,\n-\tSBC_WRITE_LONG_10 = 0x3f,\n-\tSBC_WRITE_SAME_10 = 0x41,\n-\tSBC_WRITE_SAME_16 = 0x93,\n-\tSBC_XDREAD_10 = 0x52,\n-\tSBC_XDWRITE_10 = 0x50,\n-\tSBC_XDWRITEREAD_10 = 0x53,\n-\tSBC_XPWRITE_10 = 0x51,\n-\n-\tSBC_SAI_READ_CAPACITY_16 = 0x10,\n-\tSBC_SAI_READ_LONG_16 = 0x11,\n-\tSBC_SAO_WRITE_LONG_16 = 0x11,\n-\n-\tSBC_VL_READ_32 = 0x0009,\n-\tSBC_VL_VERIFY_32 = 0x000a,\n-\tSBC_VL_WRITE_32 = 0x000b,\n-\tSBC_VL_WRITE_AND_VERIFY_32 = 0x000c,\n-\tSBC_VL_WRITE_SAME_32 = 0x000d,\n-\tSBC_VL_XDREAD_32 = 0x0003,\n-\tSBC_VL_XDWRITE_32 = 0x0004,\n-\tSBC_VL_XDWRITEREAD_32 = 0x0007,\n-\tSBC_VL_XPWRITE_32 = 0x0006,\n-};\n-\n-enum mmc_opcode {\n-\t/* MMC6 */\n-\tMMC_READ_DISC_STRUCTURE = 0xad,\n-\n-\t/* MMC4 */\n-\tMMC_BLANK = 0xa1,\n-\tMMC_CLOSE_TRACK_SESSION = 0x5b,\n-\tMMC_ERASE_10 = 0x2c,\n-\tMMC_FORMAT_UNIT = 0x04,\n-\tMMC_GET_CONFIGURATION = 0x46,\n-\tMMC_GET_EVENT_STATUS_NOTIFICATION = 0x4a,\n-\tMMC_GET_PERFORMANCE = 0xac,\n-\tMMC_INQUIRY = 0x12,\n-\tMMC_LOAD_UNLOAD_MEDIUM = 0xa6,\n-\tMMC_MECHANISM_STATUS = 0xbd,\n-\tMMC_MODE_SELECT_10 = 0x55,\n-\tMMC_MODE_SENSE_10 = 0x5a,\n-\tMMC_PAUSE_RESUME = 0x4b,\n-\tMMC_PLAY_AUDIO_10 = 0x45,\n-\tMMC_PLAY_AUDIO_12 = 0xa5,\n-\tMMC_PLAY_AUDIO_MSF = 0x47,\n-\tMMC_PREVENT_ALLOW_MEDIUM_REMOVAL = 0x1e,\n-\tMMC_READ_10 = 0x28,\n-\tMMC_READ_12 = 0xa8,\n-\tMMC_READ_BUFFER = 0x3c,\n-\tMMC_READ_BUFFER_CAPACITY = 0x5c,\n-\tMMC_READ_CAPACITY = 0x25,\n-\tMMC_READ_CD = 0xbe,\n-\tMMC_READ_CD_MSF = 0xb9,\n-\tMMC_READ_DISC_INFORMATION = 0x51,\n-\tMMC_READ_DVD_STRUCTURE = 0xad,\n-\tMMC_READ_FORMAT_CAPACITIES = 0x23,\n-\tMMC_READ_SUB_CHANNEL = 0x42,\n-\tMMC_READ_TOC_PMA_ATIP = 0x43,\n-\tMMC_READ_TRACK_INFORMATION = 0x52,\n-\tMMC_REPAIR_TRACK = 0x58,\n-\tMMC_REPORT_KEY = 0xa4,\n-\tMMC_REQUEST_SENSE = 0x03,\n-\tMMC_RESERVE_TRACK = 0x53,\n-\tMMC_SCAN = 0xba,\n-\tMMC_SEEK_10 = 0x2b,\n-\tMMC_SEND_CUE_SHEET = 0x5d,\n-\tMMC_SEND_DVD_STRUCTURE = 0xbf,\n-\tMMC_SEND_KEY = 0xa3,\n-\tMMC_SEND_OPC_INFORMATION = 0x54,\n-\tMMC_SET_CD_SPEED = 0xbb,\n-\tMMC_SET_READ_AHEAD = 0xa7,\n-\tMMC_SET_STREAMING = 0xb6,\n-\tMMC_START_STOP_UNIT = 0x1b,\n-\tMMC_STOP_PLAY_SCAN = 0x4e,\n-\tMMC_SYNCHRONIZE_CACHE = 0x35,\n-\tMMC_TEST_UNIT_READY = 0x00,\n-\tMMC_VERIFY_10 = 0x2f,\n-\tMMC_WRITE_10 = 0xa2,\n-\tMMC_WRITE_12 = 0xaa,\n-\tMMC_WRITE_AND_VERIFY_10 = 0x2e,\n-\tMMC_WRITE_BUFFER = 0x3b,\n-};\n-\n-enum ssc_opcode {\n-\tSSC_ERASE_6 = 0x19,\n-\tSSC_FORMAT_MEDIUM = 0x04,\n-\tSSC_LOAD_UNLOAD = 0x1b,\n-\tSSC_LOCATE_10 = 0x2b,\n-\tSSC_LOCATE_16 = 0x92,\n-\tSSC_MOVE_MEDIUM_ATTACHED = 0xa7,\n-\tSSC_READ_6 = 0x08,\n-\tSSC_READ_BLOCK_LIMITS = 0x05,\n-\tSSC_READ_ELEMENT_STATUS_ATTACHED = 0xb4,\n-\tSSC_READ_POSITION = 0x34,\n-\tSSC_READ_REVERSE_6 = 0x0f,\n-\tSSC_RECOVER_BUFFERED_DATA = 0x14,\n-\tSSC_REPORT_DENSITY_SUPPORT = 0x44,\n-\tSSC_REWIND = 0x01,\n-\tSSC_SET_CAPACITY = 0x0b,\n-\tSSC_SPACE_6 = 0x11,\n-\tSSC_SPACE_16 = 0x91,\n-\tSSC_VERIFY_6 = 0x13,\n-\tSSC_WRITE_6 = 0x0a,\n-\tSSC_WRITE_FILEMARKS_6 = 0x10,\n-};\n-\n-enum spc_vpd {\n-\tSPC_VPD_DEVICE_IDENTIFICATION = 0x83,\n-\tSPC_VPD_EXTENDED_INQUIRY_DATA = 0x86,\n-\tSPC_VPD_MANAGEMENT_NETWORK_ADDRESSES = 0x85,\n-\tSPC_VPD_MODE_PAGE_POLICY = 0x87,\n-\tSPC_VPD_SCSI_PORTS = 0x88,\n-\tSPC_VPD_SOFTWARE_INTERFACE_IDENTIFICATION = 0x84,\n-\tSPC_VPD_SUPPORTED_VPD_PAGES = 0x00,\n-\tSPC_VPD_UNIT_SERIAL_NUMBER = 0x80,\n-\tSPC_VPD_BLOCK_LIMITS = 0xb0,\n-\tSPC_VPD_BLOCK_DEV_CHARS = 0xb1,\n-\tSPC_VPD_BLOCK_THIN_PROVISION = 0xb2,\n-};\n-\n-enum {\n-\tSPC_PERIPHERAL_DEVICE_TYPE_DISK = 0x00,\n-\tSPC_PERIPHERAL_DEVICE_TYPE_TAPE = 0x01,\n-\tSPC_PERIPHERAL_DEVICE_TYPE_DVD = 0x05,\n-\tSPC_PERIPHERAL_DEVICE_TYPE_CHANGER = 0x08,\n-\n-\tSPC_VERSION_NONE = 0x00,\n-\tSPC_VERSION_SPC = 0x03,\n-\tSPC_VERSION_SPC2 = 0x04,\n-\tSPC_VERSION_SPC3 = 0x05,\n-\tSPC_VERSION_SPC4 = 0x06,\n-\n-\tSPC_PROTOCOL_IDENTIFIER_FC = 0x00,\n-\tSPC_PROTOCOL_IDENTIFIER_PSCSI = 0x01,\n-\tSPC_PROTOCOL_IDENTIFIER_SSA = 0x02,\n-\tSPC_PROTOCOL_IDENTIFIER_IEEE1394 = 0x03,\n-\tSPC_PROTOCOL_IDENTIFIER_RDMA = 0x04,\n-\tSPC_PROTOCOL_IDENTIFIER_ISCSI = 0x05,\n-\tSPC_PROTOCOL_IDENTIFIER_SAS = 0x06,\n-\tSPC_PROTOCOL_IDENTIFIER_ADT = 0x07,\n-\tSPC_PROTOCOL_IDENTIFIER_ATA = 0x08,\n-\n-\tSPC_VPD_CODE_SET_BINARY = 0x01,\n-\tSPC_VPD_CODE_SET_ASCII = 0x02,\n-\tSPC_VPD_CODE_SET_UTF8 = 0x03,\n-\n-\tSPC_VPD_ASSOCIATION_LOGICAL_UNIT = 0x00,\n-\tSPC_VPD_ASSOCIATION_TARGET_PORT = 0x01,\n-\tSPC_VPD_ASSOCIATION_TARGET_DEVICE = 0x02,\n-\n-\tSPC_VPD_IDENTIFIER_TYPE_VENDOR_SPECIFIC = 0x00,\n-\tSPC_VPD_IDENTIFIER_TYPE_T10_VENDOR_ID = 0x01,\n-\tSPC_VPD_IDENTIFIER_TYPE_EUI64 = 0x02,\n-\tSPC_VPD_IDENTIFIER_TYPE_NAA = 0x03,\n-\tSPC_VPD_IDENTIFIER_TYPE_RELATIVE_TARGET_PORT = 0x04,\n-\tSPC_VPD_IDENTIFIER_TYPE_TARGET_PORT_GROUP = 0x05,\n-\tSPC_VPD_IDENTIFIER_TYPE_LOGICAL_UNIT_GROUP = 0x06,\n-\tSPC_VPD_IDENTIFIER_TYPE_MD5_LOGICAL_UNIT = 0x07,\n-\tSPC_VPD_IDENTIFIER_TYPE_SCSI_NAME = 0x08,\n-};\n-\n-struct scsi_cdb_inquiry {\n-\tuint8_t opcode;\n-\tuint8_t evpd;\n-\tuint8_t page_code;\n-\tuint16_t alloc_len;\n-\tuint8_t control;\n-};\n-\n-struct scsi_cdb_inquiry_data {\n-\tuint8_t peripheral;\n-\tuint8_t rmb;\n-\tuint8_t version;\n-\tuint8_t response;\n-\tuint8_t add_len;\n-\tuint8_t flags;\n-\tuint8_t flags2;\n-\tuint8_t flags3;\n-\tuint8_t t10_vendor_id[8];\n-\tuint8_t product_id[16];\n-\tuint8_t product_rev[4];\n-\tuint8_t vendor[20];\n-\tuint8_t ius;\n-\tuint8_t reserved;\n-\tuint8_t desc[];\n-};\n-\n-struct scsi_vpd_page {\n-\tuint8_t peripheral;\n-\tuint8_t page_code;\n-\tuint16_t alloc_len;\n-\tuint8_t params[32];\n-};\n-\n-#define SCSI_VEXT_REF_CHK\t\t0x01\n-#define SCSI_VEXT_APP_CHK\t\t0x02\n-#define SCSI_VEXT_GRD_CHK\t\t0x04\n-#define SCSI_VEXT_SIMPSUP\t\t0x01\n-#define SCSI_VEXT_ORDSUP\t\t0x02\n-#define SCSI_VEXT_HEADSUP\t\t0x04\n-#define SCSI_VEXT_PRIOR_SUP\t0x08\n-#define SCSI_VEXT_GROUP_SUP\t0x10\n-#define SCSI_VEXT_UASK_SUP\t\t0x20\n-#define SCSI_VEXT_V_SUP\t\t0x01\n-#define SCSI_VEXT_NV_SUP\t\t0x02\n-#define SCSI_VEXT_CRD_SUP\t\t0x04\n-#define SCSI_VEXT_WU_SUP\t\t0x08\n-\n-struct scsi_vpd_ext_inquiry {\n-\tuint8_t peripheral;\n-\tuint8_t page_code;\n-\tuint16_t alloc_len;\n-\tuint8_t check;\n-\tuint8_t sup;\n-\tuint8_t sup2;\n-\tuint8_t luiclr;\n-\tuint8_t cbcs;\n-\tuint8_t micro_dl;\n-\tuint8_t reserved[54];\n-};\n-\n-#define SPC_VPD_DESIG_PIV\t0x80\n-\n-/* designation descriptor */\n-struct scsi_desig_desc {\n-\tuint8_t code_set\t: 4;\n-\tuint8_t protocol_id\t: 4;\n-\tuint8_t type\t\t: 4;\n-\tuint8_t association\t: 2;\n-\tuint8_t reserved0\t: 1;\n-\tuint8_t piv\t\t: 1;\n-\tuint8_t reserved1;\n-\tuint8_t\tlen;\n-\tuint8_t desig[];\n-};\n-\n-/* mode page policy descriptor */\n-struct scsi_mpage_policy_desc {\n-\tuint8_t page_code;\n-\tuint8_t sub_page_code;\n-\tuint8_t policy;\n-\tuint8_t reserved;\n-};\n-\n-/* target port descriptor */\n-struct scsi_tgt_port_desc {\n-\tuint8_t code_set;\n-\tuint8_t desig_type;\n-\tuint8_t reserved;\n-\tuint8_t\tlen;\n-\tuint8_t designator[];\n-};\n-\n-/* SCSI port designation descriptor */\n-struct scsi_port_desc {\n-\tuint16_t reserved;\n-\tuint16_t rel_port_id;\n-\tuint16_t reserved2;\n-\tuint16_t init_port_len;\n-\tuint16_t init_port_id;\n-\tuint16_t reserved3;\n-\tuint16_t tgt_desc_len;\n-\tuint8_t tgt_desc[];\n-};\n-\n-/* SCSI UNMAP block descriptor */\n-struct scsi_unmap_bdesc {\n-\t/* UNMAP LOGICAL BLOCK ADDRESS */\n-\tuint64_t lba;\n-\n-\t/* NUMBER OF LOGICAL BLOCKS */\n-\tuint32_t block_count;\n-\n-\t/* RESERVED */\n-\tuint32_t reserved;\n-};\n-\n-#define SCSI_UNMAP_LBPU\t\t\t\t(1 << 7)\n-#define SCSI_UNMAP_LBPWS\t\t\t(1 << 6)\n-#define SCSI_UNMAP_LBPWS10\t\t\t(1 << 5)\n-\n-#define SCSI_UNMAP_FULL_PROVISIONING\t0x00\n-#define SCSI_UNMAP_RESOURCE_PROVISIONING\t0x01\n-#define SCSI_UNMAP_THIN_PROVISIONING\t0x02\n-\n-#endif /* _SCSI_SPEC_H */\ndiff --git a/examples/vhost_scsi/vhost_scsi.c b/examples/vhost_scsi/vhost_scsi.c\ndeleted file mode 100644\nindex a92630c77..000000000\n--- a/examples/vhost_scsi/vhost_scsi.c\n+++ /dev/null\n@@ -1,487 +0,0 @@\n-/* SPDX-License-Identifier: BSD-3-Clause\n- * Copyright(c) 2010-2017 Intel Corporation\n- */\n-\n-#include <stdint.h>\n-#include <unistd.h>\n-#include <stdbool.h>\n-#include <signal.h>\n-#include <assert.h>\n-#include <semaphore.h>\n-#include <linux/virtio_scsi.h>\n-#include <linux/virtio_ring.h>\n-\n-#include <rte_atomic.h>\n-#include <rte_cycles.h>\n-#include <rte_log.h>\n-#include <rte_malloc.h>\n-#include <rte_vhost.h>\n-\n-#include \"vhost_scsi.h\"\n-#include \"scsi_spec.h\"\n-\n-#define VIRTIO_SCSI_FEATURES ((1 << VIRTIO_F_NOTIFY_ON_EMPTY) |\\\n-\t\t\t      (1 << VIRTIO_SCSI_F_INOUT) |\\\n-\t\t\t      (1 << VIRTIO_SCSI_F_CHANGE))\n-\n-/* Path to folder where character device will be created. Can be set by user. */\n-static char dev_pathname[PATH_MAX] = \"\";\n-\n-static struct vhost_scsi_ctrlr *g_vhost_ctrlr;\n-static int g_should_stop;\n-static sem_t exit_sem;\n-\n-static struct vhost_scsi_ctrlr *\n-vhost_scsi_ctrlr_find(__rte_unused const char *ctrlr_name)\n-{\n-\t/* currently we only support 1 socket file fd */\n-\treturn g_vhost_ctrlr;\n-}\n-\n-static uint64_t gpa_to_vva(int vid, uint64_t gpa, uint64_t *len)\n-{\n-\tchar path[PATH_MAX];\n-\tstruct vhost_scsi_ctrlr *ctrlr;\n-\tint ret = 0;\n-\n-\tret = rte_vhost_get_ifname(vid, path, PATH_MAX);\n-\tif (ret) {\n-\t\tfprintf(stderr, \"Cannot get socket name\\n\");\n-\t\tassert(ret != 0);\n-\t}\n-\n-\tctrlr = vhost_scsi_ctrlr_find(path);\n-\tif (!ctrlr) {\n-\t\tfprintf(stderr, \"Controller is not ready\\n\");\n-\t\tassert(ctrlr != NULL);\n-\t}\n-\n-\tassert(ctrlr->mem != NULL);\n-\n-\treturn rte_vhost_va_from_guest_pa(ctrlr->mem, gpa, len);\n-}\n-\n-static struct vring_desc *\n-descriptor_get_next(struct vring_desc *vq_desc, struct vring_desc *cur_desc)\n-{\n-\treturn &vq_desc[cur_desc->next];\n-}\n-\n-static bool\n-descriptor_has_next(struct vring_desc *cur_desc)\n-{\n-\treturn !!(cur_desc->flags & VRING_DESC_F_NEXT);\n-}\n-\n-static bool\n-descriptor_is_wr(struct vring_desc *cur_desc)\n-{\n-\treturn !!(cur_desc->flags & VRING_DESC_F_WRITE);\n-}\n-\n-static void\n-submit_completion(struct vhost_scsi_task *task, uint32_t q_idx)\n-{\n-\tstruct rte_vhost_vring *vq;\n-\tstruct vring_used *used;\n-\n-\tvq = task->vq;\n-\tused = vq->used;\n-\t/* Fill out the next entry in the \"used\" ring.  id = the\n-\t * index of the descriptor that contained the SCSI request.\n-\t * len = the total amount of data transferred for the SCSI\n-\t * request. We must report the correct len, for variable\n-\t * length SCSI CDBs, where we may return less data than\n-\t * allocated by the guest VM.\n-\t */\n-\tused->ring[used->idx & (vq->size - 1)].id = task->req_idx;\n-\tused->ring[used->idx & (vq->size - 1)].len = task->data_len;\n-\tused->idx++;\n-\n-\t/* Send an interrupt back to the guest VM so that it knows\n-\t * a completion is ready to be processed.\n-\t */\n-\trte_vhost_vring_call(task->bdev->vid, q_idx);\n-}\n-\n-static void\n-vhost_process_read_payload_chain(struct vhost_scsi_task *task)\n-{\n-\tvoid *data;\n-\tuint64_t chunck_len;\n-\n-\ttask->iovs_cnt = 0;\n-\tchunck_len = task->desc->len;\n-\ttask->resp = (void *)(uintptr_t)gpa_to_vva(task->bdev->vid,\n-\t\t\t\t\t\t   task->desc->addr,\n-\t\t\t\t\t\t   &chunck_len);\n-\tif (!task->resp || chunck_len != task->desc->len) {\n-\t\tfprintf(stderr, \"failed to translate desc address.\\n\");\n-\t\treturn;\n-\t}\n-\n-\twhile (descriptor_has_next(task->desc)) {\n-\t\ttask->desc = descriptor_get_next(task->vq->desc, task->desc);\n-\t\tchunck_len = task->desc->len;\n-\t\tdata = (void *)(uintptr_t)gpa_to_vva(task->bdev->vid,\n-\t\t\t\t\t\t     task->desc->addr,\n-\t\t\t\t\t\t\t &chunck_len);\n-\t\tif (!data || chunck_len != task->desc->len) {\n-\t\t\tfprintf(stderr, \"failed to translate desc address.\\n\");\n-\t\t\treturn;\n-\t\t}\n-\n-\t\ttask->iovs[task->iovs_cnt].iov_base = data;\n-\t\ttask->iovs[task->iovs_cnt].iov_len = task->desc->len;\n-\t\ttask->data_len += task->desc->len;\n-\t\ttask->iovs_cnt++;\n-\t}\n-}\n-\n-static void\n-vhost_process_write_payload_chain(struct vhost_scsi_task *task)\n-{\n-\tvoid *data;\n-\tuint64_t chunck_len;\n-\n-\ttask->iovs_cnt = 0;\n-\n-\tdo {\n-\t\tchunck_len = task->desc->len;\n-\t\tdata = (void *)(uintptr_t)gpa_to_vva(task->bdev->vid,\n-\t\t\t\t\t\t     task->desc->addr,\n-\t\t\t\t\t\t\t &chunck_len);\n-\t\tif (!data || chunck_len != task->desc->len) {\n-\t\t\tfprintf(stderr, \"failed to translate desc address.\\n\");\n-\t\t\treturn;\n-\t\t}\n-\n-\t\ttask->iovs[task->iovs_cnt].iov_base = data;\n-\t\ttask->iovs[task->iovs_cnt].iov_len = task->desc->len;\n-\t\ttask->data_len += task->desc->len;\n-\t\ttask->iovs_cnt++;\n-\t\ttask->desc = descriptor_get_next(task->vq->desc, task->desc);\n-\t} while (descriptor_has_next(task->desc));\n-\n-\tchunck_len = task->desc->len;\n-\ttask->resp = (void *)(uintptr_t)gpa_to_vva(task->bdev->vid,\n-\t\t\t\t\t\t   task->desc->addr,\n-\t\t\t\t\t\t   &chunck_len);\n-\tif (!task->resp || chunck_len != task->desc->len)\n-\t\tfprintf(stderr, \"failed to translate desc address.\\n\");\n-}\n-\n-static struct vhost_block_dev *\n-vhost_scsi_bdev_construct(const char *bdev_name, const char *bdev_serial,\n-\t\t\t  uint32_t blk_size, uint64_t blk_cnt,\n-\t\t\t  bool wce_enable)\n-{\n-\tstruct vhost_block_dev *bdev;\n-\n-\tbdev = rte_zmalloc(NULL, sizeof(*bdev), RTE_CACHE_LINE_SIZE);\n-\tif (!bdev)\n-\t\treturn NULL;\n-\n-\tstrncpy(bdev->name, bdev_name, sizeof(bdev->name));\n-\tstrncpy(bdev->product_name, bdev_serial, sizeof(bdev->product_name));\n-\tbdev->blocklen = blk_size;\n-\tbdev->blockcnt = blk_cnt;\n-\tbdev->write_cache = wce_enable;\n-\n-\t/* use memory as disk storage space */\n-\tbdev->data = rte_zmalloc(NULL, blk_cnt * blk_size, 0);\n-\tif (!bdev->data) {\n-\t\tfprintf(stderr, \"no enough reseverd huge memory for disk\\n\");\n-\t\treturn NULL;\n-\t}\n-\n-\treturn bdev;\n-}\n-\n-static void\n-process_requestq(struct vhost_scsi_ctrlr *ctrlr, uint32_t q_idx)\n-{\n-\tint ret;\n-\tstruct vhost_scsi_queue *scsi_vq;\n-\tstruct rte_vhost_vring *vq;\n-\n-\tscsi_vq = &ctrlr->bdev->queues[q_idx];\n-\tvq = &scsi_vq->vq;\n-\tret = rte_vhost_get_vhost_vring(ctrlr->bdev->vid, q_idx, vq);\n-\tassert(ret == 0);\n-\n-\twhile (vq->avail->idx != scsi_vq->last_used_idx) {\n-\t\tint req_idx;\n-\t\tuint16_t last_idx;\n-\t\tstruct vhost_scsi_task *task;\n-\t\tuint64_t chunck_len;\n-\n-\t\tlast_idx = scsi_vq->last_used_idx & (vq->size - 1);\n-\t\treq_idx = vq->avail->ring[last_idx];\n-\n-\t\ttask = rte_zmalloc(NULL, sizeof(*task), 0);\n-\t\tassert(task != NULL);\n-\n-\t\ttask->ctrlr = ctrlr;\n-\t\ttask->bdev = ctrlr->bdev;\n-\t\ttask->vq = vq;\n-\t\ttask->req_idx = req_idx;\n-\t\ttask->desc = &task->vq->desc[task->req_idx];\n-\n-\t\t/* does not support indirect descriptors */\n-\t\tassert((task->desc->flags & VRING_DESC_F_INDIRECT) == 0);\n-\t\tscsi_vq->last_used_idx++;\n-\n-\t\tchunck_len = task->desc->len;\n-\t\ttask->req = (void *)(uintptr_t)gpa_to_vva(task->bdev->vid,\n-\t\t\t\t\t\t\t  task->desc->addr,\n-\t\t\t\t\t\t\t  &chunck_len);\n-\t\tif (!task->req || chunck_len != task->desc->len) {\n-\t\t\tfprintf(stderr, \"failed to translate desc address.\\n\");\n-\t\t\treturn;\n-\t\t}\n-\n-\t\ttask->desc = descriptor_get_next(task->vq->desc, task->desc);\n-\t\tif (!descriptor_has_next(task->desc)) {\n-\t\t\ttask->dxfer_dir = SCSI_DIR_NONE;\n-\t\t\tchunck_len = task->desc->len;\n-\t\t\ttask->resp = (void *)(uintptr_t)\n-\t\t\t\t\t      gpa_to_vva(task->bdev->vid,\n-\t\t\t\t\t\t\t task->desc->addr,\n-\t\t\t\t\t\t\t &chunck_len);\n-\t\t\tif (!task->resp || chunck_len != task->desc->len) {\n-\t\t\t\tfprintf(stderr, \"failed to translate desc address.\\n\");\n-\t\t\t\treturn;\n-\t\t\t}\n-\t\t} else if (!descriptor_is_wr(task->desc)) {\n-\t\t\ttask->dxfer_dir = SCSI_DIR_TO_DEV;\n-\t\t\tvhost_process_write_payload_chain(task);\n-\t\t} else {\n-\t\t\ttask->dxfer_dir = SCSI_DIR_FROM_DEV;\n-\t\t\tvhost_process_read_payload_chain(task);\n-\t\t}\n-\n-\t\tret = vhost_bdev_process_scsi_commands(ctrlr->bdev, task);\n-\t\tif (ret) {\n-\t\t\t/* invalid response */\n-\t\t\ttask->resp->response = VIRTIO_SCSI_S_BAD_TARGET;\n-\t\t} else {\n-\t\t\t/* successfully */\n-\t\t\ttask->resp->response = VIRTIO_SCSI_S_OK;\n-\t\t\ttask->resp->status = 0;\n-\t\t\ttask->resp->resid = 0;\n-\t\t}\n-\t\tsubmit_completion(task, q_idx);\n-\t\trte_free(task);\n-\t}\n-}\n-\n-/* Main framework for processing IOs */\n-static void *\n-ctrlr_worker(void *arg)\n-{\n-\tuint32_t idx, num;\n-\tstruct vhost_scsi_ctrlr *ctrlr = (struct vhost_scsi_ctrlr *)arg;\n-\tcpu_set_t cpuset;\n-\tpthread_t thread;\n-\n-\tif (ctrlr == NULL || ctrlr->bdev == NULL) {\n-\t\tfprintf(stderr, \"%s: Error, invalid argument passed to worker thread\\n\",\n-\t\t\t\t__func__);\n-\t\texit(0);\n-\t}\n-\n-\tthread = pthread_self();\n-\tCPU_ZERO(&cpuset);\n-\tCPU_SET(0, &cpuset);\n-\tpthread_setaffinity_np(thread, sizeof(cpu_set_t), &cpuset);\n-\n-\tnum =  rte_vhost_get_vring_num(ctrlr->bdev->vid);\n-\tfprintf(stdout, \"Ctrlr Worker Thread Started with %u Vring\\n\", num);\n-\n-\tif (num != NUM_OF_SCSI_QUEUES) {\n-\t\tfprintf(stderr, \"Only 1 IO queue are supported\\n\");\n-\t\texit(0);\n-\t}\n-\n-\twhile (!g_should_stop && ctrlr->bdev != NULL) {\n-\t\t/* At least 3 vrings, currently only can support 1 IO queue\n-\t\t * Queue 2 for IO queue, does not support TMF and hotplug\n-\t\t * for the example application now\n-\t\t */\n-\t\tfor (idx = 2; idx < num; idx++)\n-\t\t\tprocess_requestq(ctrlr, idx);\n-\t}\n-\n-\tfprintf(stdout, \"Ctrlr Worker Thread Exiting\\n\");\n-\tsem_post(&exit_sem);\n-\treturn NULL;\n-}\n-\n-static int\n-new_device(int vid)\n-{\n-\tchar path[PATH_MAX];\n-\tstruct vhost_scsi_ctrlr *ctrlr;\n-\tstruct vhost_scsi_queue *scsi_vq;\n-\tstruct rte_vhost_vring *vq;\n-\tpthread_t tid;\n-\tint i, ret;\n-\n-\tret = rte_vhost_get_ifname(vid, path, PATH_MAX);\n-\tif (ret) {\n-\t\tfprintf(stderr, \"Cannot get socket name\\n\");\n-\t\treturn -1;\n-\t}\n-\n-\tctrlr = vhost_scsi_ctrlr_find(path);\n-\tif (!ctrlr) {\n-\t\tfprintf(stderr, \"Controller is not ready\\n\");\n-\t\treturn -1;\n-\t}\n-\n-\tret = rte_vhost_get_mem_table(vid, &ctrlr->mem);\n-\tif (ret) {\n-\t\tfprintf(stderr, \"Get Controller memory region failed\\n\");\n-\t\treturn -1;\n-\t}\n-\tassert(ctrlr->mem != NULL);\n-\n-\t/* hardcoded block device information with 128MiB */\n-\tctrlr->bdev = vhost_scsi_bdev_construct(\"malloc0\", \"vhost_scsi_malloc0\",\n-\t\t\t\t\t\t4096, 32768, 0);\n-\tif (!ctrlr->bdev)\n-\t\treturn -1;\n-\n-\tctrlr->bdev->vid = vid;\n-\n-\t/* Disable Notifications */\n-\tfor (i = 0; i < NUM_OF_SCSI_QUEUES; i++) {\n-\t\trte_vhost_enable_guest_notification(vid, i, 0);\n-\t\t/* restore used index */\n-\t\tscsi_vq = &ctrlr->bdev->queues[i];\n-\t\tvq = &scsi_vq->vq;\n-\t\tret = rte_vhost_get_vhost_vring(ctrlr->bdev->vid, i, vq);\n-\t\tassert(ret == 0);\n-\t\tscsi_vq->last_used_idx = vq->used->idx;\n-\t\tscsi_vq->last_avail_idx = vq->used->idx;\n-\t}\n-\n-\tg_should_stop = 0;\n-\tfprintf(stdout, \"New Device %s, Device ID %d\\n\", path, vid);\n-\tif (pthread_create(&tid, NULL, &ctrlr_worker, ctrlr) < 0) {\n-\t\tfprintf(stderr, \"Worker Thread Started Failed\\n\");\n-\t\treturn -1;\n-\t}\n-\tpthread_detach(tid);\n-\treturn 0;\n-}\n-\n-static void\n-destroy_device(int vid)\n-{\n-\tchar path[PATH_MAX];\n-\tstruct vhost_scsi_ctrlr *ctrlr;\n-\n-\trte_vhost_get_ifname(vid, path, PATH_MAX);\n-\tfprintf(stdout, \"Destroy %s Device ID %d\\n\", path, vid);\n-\tctrlr = vhost_scsi_ctrlr_find(path);\n-\tif (!ctrlr) {\n-\t\tfprintf(stderr, \"Destroy Ctrlr Failed\\n\");\n-\t\treturn;\n-\t}\n-\tctrlr->bdev = NULL;\n-\tg_should_stop = 1;\n-\n-\tsem_wait(&exit_sem);\n-}\n-\n-static const struct vhost_device_ops vhost_scsi_device_ops = {\n-\t.new_device =  new_device,\n-\t.destroy_device = destroy_device,\n-};\n-\n-static struct vhost_scsi_ctrlr *\n-vhost_scsi_ctrlr_construct(const char *ctrlr_name)\n-{\n-\tint ret;\n-\tstruct vhost_scsi_ctrlr *ctrlr;\n-\tchar *path;\n-\tchar cwd[PATH_MAX];\n-\n-\t/* always use current directory */\n-\tpath = getcwd(cwd, PATH_MAX);\n-\tif (!path) {\n-\t\tfprintf(stderr, \"Cannot get current working directory\\n\");\n-\t\treturn NULL;\n-\t}\n-\tsnprintf(dev_pathname, sizeof(dev_pathname), \"%s/%s\", path, ctrlr_name);\n-\n-\tif (access(dev_pathname, F_OK) != -1) {\n-\t\tif (unlink(dev_pathname) != 0)\n-\t\t\trte_exit(EXIT_FAILURE, \"Cannot remove %s.\\n\",\n-\t\t\t\t dev_pathname);\n-\t}\n-\n-\tif (rte_vhost_driver_register(dev_pathname, 0) != 0) {\n-\t\tfprintf(stderr, \"socket %s already exists\\n\", dev_pathname);\n-\t\treturn NULL;\n-\t}\n-\n-\tfprintf(stdout, \"socket file: %s created\\n\", dev_pathname);\n-\n-\tret = rte_vhost_driver_set_features(dev_pathname, VIRTIO_SCSI_FEATURES);\n-\tif (ret != 0) {\n-\t\tfprintf(stderr, \"Set vhost driver features failed\\n\");\n-\t\treturn NULL;\n-\t}\n-\n-\tctrlr = rte_zmalloc(NULL, sizeof(*ctrlr), RTE_CACHE_LINE_SIZE);\n-\tif (!ctrlr)\n-\t\treturn NULL;\n-\n-\trte_vhost_driver_callback_register(dev_pathname,\n-\t\t\t\t\t   &vhost_scsi_device_ops);\n-\n-\treturn ctrlr;\n-}\n-\n-static void\n-signal_handler(__rte_unused int signum)\n-{\n-\n-\tif (access(dev_pathname, F_OK) == 0)\n-\t\tunlink(dev_pathname);\n-\texit(0);\n-}\n-\n-int main(int argc, char *argv[])\n-{\n-\tint ret;\n-\n-\tsignal(SIGINT, signal_handler);\n-\n-\t/* init EAL */\n-\tret = rte_eal_init(argc, argv);\n-\tif (ret < 0)\n-\t\trte_exit(EXIT_FAILURE, \"Error with EAL initialization\\n\");\n-\n-\tg_vhost_ctrlr = vhost_scsi_ctrlr_construct(\"vhost.socket\");\n-\tif (g_vhost_ctrlr == NULL) {\n-\t\tfprintf(stderr, \"Construct vhost scsi controller failed\\n\");\n-\t\treturn 0;\n-\t}\n-\n-\tif (sem_init(&exit_sem, 0, 0) < 0) {\n-\t\tfprintf(stderr, \"Error init exit_sem\\n\");\n-\t\treturn -1;\n-\t}\n-\n-\trte_vhost_driver_start(dev_pathname);\n-\n-\t/* loop for exit the application */\n-\twhile (1)\n-\t\tsleep(1);\n-\n-\treturn 0;\n-}\ndiff --git a/examples/vhost_scsi/vhost_scsi.h b/examples/vhost_scsi/vhost_scsi.h\ndeleted file mode 100644\nindex 7f98d8d10..000000000\n--- a/examples/vhost_scsi/vhost_scsi.h\n+++ /dev/null\n@@ -1,79 +0,0 @@\n-/* SPDX-License-Identifier: BSD-3-Clause\n- * Copyright(c) 2010-2017 Intel Corporation\n- */\n-\n-#ifndef _VHOST_SCSI_H_\n-#define _VHOST_SCSI_H_\n-\n-#include <sys/uio.h>\n-#include <stdint.h>\n-#include <linux/virtio_scsi.h>\n-#include <linux/virtio_ring.h>\n-\n-#include <rte_vhost.h>\n-\n-struct vhost_scsi_queue {\n-\tstruct rte_vhost_vring vq;\n-\tuint16_t last_avail_idx;\n-\tuint16_t last_used_idx;\n-};\n-\n-#define NUM_OF_SCSI_QUEUES 3\n-\n-struct vhost_block_dev {\n-\t/** ID for vhost library. */\n-\tint vid;\n-\t/** Queues for the block device */\n-\tstruct vhost_scsi_queue queues[NUM_OF_SCSI_QUEUES];\n-\t/** Unique name for this block device. */\n-\tchar name[64];\n-\n-\t/** Unique product name for this kind of block device. */\n-\tchar product_name[256];\n-\n-\t/** Size in bytes of a logical block for the backend */\n-\tuint32_t blocklen;\n-\n-\t/** Number of blocks */\n-\tuint64_t blockcnt;\n-\n-\t/** write cache enabled, not used at the moment */\n-\tint write_cache;\n-\n-\t/** use memory as disk storage space */\n-\tuint8_t *data;\n-};\n-\n-struct vhost_scsi_ctrlr {\n-\t/** Only support 1 LUN for the example */\n-\tstruct vhost_block_dev *bdev;\n-\t/** VM memory region */\n-\tstruct rte_vhost_memory *mem;\n-} __rte_cache_aligned;\n-\n-#define VHOST_SCSI_MAX_IOVS 128\n-\n-enum scsi_data_dir {\n-\tSCSI_DIR_NONE = 0,\n-\tSCSI_DIR_TO_DEV = 1,\n-\tSCSI_DIR_FROM_DEV = 2,\n-};\n-\n-struct vhost_scsi_task {\n-\tint req_idx;\n-\tuint32_t dxfer_dir;\n-\tuint32_t data_len;\n-\tstruct virtio_scsi_cmd_req *req;\n-\tstruct virtio_scsi_cmd_resp *resp;\n-\tstruct iovec iovs[VHOST_SCSI_MAX_IOVS];\n-\tuint32_t iovs_cnt;\n-\tstruct vring_desc *desc;\n-\tstruct rte_vhost_vring *vq;\n-\tstruct vhost_block_dev *bdev;\n-\tstruct vhost_scsi_ctrlr *ctrlr;\n-};\n-\n-int vhost_bdev_process_scsi_commands(struct vhost_block_dev *bdev,\n-\t\t\t\t     struct vhost_scsi_task *task);\n-\n-#endif /* _VHOST_SCSI_H_ */\n",
    "prefixes": []
}