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GET /api/patches/105103/?format=api
HTTP 200 OK
Allow: GET, PUT, PATCH, HEAD, OPTIONS
Content-Type: application/json
Vary: Accept

{
    "id": 105103,
    "url": "http://patches.dpdk.org/api/patches/105103/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/20211213172001.69260-1-xuan.ding@intel.com/",
    "project": {
        "id": 1,
        "url": "http://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": "<20211213172001.69260-1-xuan.ding@intel.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/20211213172001.69260-1-xuan.ding@intel.com",
    "date": "2021-12-13T17:20:01",
    "name": "vhost: rename field in guest page struct",
    "commit_ref": null,
    "pull_url": null,
    "state": "superseded",
    "archived": true,
    "hash": "e0d3895dcc5fdc74b22c9b27771f5101d85c9245",
    "submitter": {
        "id": 1401,
        "url": "http://patches.dpdk.org/api/people/1401/?format=api",
        "name": "Ding, Xuan",
        "email": "xuan.ding@intel.com"
    },
    "delegate": {
        "id": 2642,
        "url": "http://patches.dpdk.org/api/users/2642/?format=api",
        "username": "mcoquelin",
        "first_name": "Maxime",
        "last_name": "Coquelin",
        "email": "maxime.coquelin@redhat.com"
    },
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/20211213172001.69260-1-xuan.ding@intel.com/mbox/",
    "series": [
        {
            "id": 20924,
            "url": "http://patches.dpdk.org/api/series/20924/?format=api",
            "web_url": "http://patches.dpdk.org/project/dpdk/list/?series=20924",
            "date": "2021-12-13T17:20:01",
            "name": "vhost: rename field in guest page struct",
            "version": 1,
            "mbox": "http://patches.dpdk.org/series/20924/mbox/"
        }
    ],
    "comments": "http://patches.dpdk.org/api/patches/105103/comments/",
    "check": "warning",
    "checks": "http://patches.dpdk.org/api/patches/105103/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@inbox.dpdk.org",
        "Delivered-To": "patchwork@inbox.dpdk.org",
        "Received": [
            "from mails.dpdk.org (mails.dpdk.org [217.70.189.124])\n\tby inbox.dpdk.org (Postfix) with ESMTP id 7B996A0032;\n\tMon, 13 Dec 2021 09:41:47 +0100 (CET)",
            "from [217.70.189.124] (localhost [127.0.0.1])\n\tby mails.dpdk.org (Postfix) with ESMTP id 340B240E09;\n\tMon, 13 Dec 2021 09:41:47 +0100 (CET)",
            "from mga14.intel.com (mga14.intel.com [192.55.52.115])\n by mails.dpdk.org (Postfix) with ESMTP id 1B0EF40140\n for <dev@dpdk.org>; Mon, 13 Dec 2021 09:41:44 +0100 (CET)",
            "from fmsmga003.fm.intel.com ([10.253.24.29])\n by fmsmga103.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384;\n 13 Dec 2021 00:41:33 -0800",
            "from npg-dpdk-xuan-cbdma.sh.intel.com ([10.67.110.228])\n by FMSMGA003.fm.intel.com with ESMTP; 13 Dec 2021 00:41:31 -0800"
        ],
        "DKIM-Signature": "v=1; a=rsa-sha256; c=simple/simple;\n d=intel.com; i=@intel.com; q=dns/txt; s=Intel;\n t=1639384905; x=1670920905;\n h=from:to:cc:subject:date:message-id;\n bh=ZSOQjRxKCJlO4qWpgAunx/Ni+3NpVpNpZwDqr+IT3AE=;\n b=dFEoZDIP/T0EwAdb8VOoPKTUztT2VFWqguHeyU7f49BVxXtVuVvpeVQb\n 6IEKw2vdz+HRQwdSyz00+03mN2/q8uS//y1xGtjECABtT3+YrRL1WXk+t\n ml53Hk+I9iU4sE6QfRefCe+ZvQXuIJv/l1L647AQMdfH+hGybXeWLCnHl\n XSHN9WOQewDxofnwC2aGaPVbpx6AQpINBjHocT+rZB//EMAQTdCrF2eLI\n MjuDYtNKsg6xtP3/cqs7Io0hvCB2s/OW6+UnTJpClUj/PRVFqlPuulsgc\n a44PG97Qh4Fhwxk1oHbSvDN2IItRRGs/qZpQ7sr9x8C8pr/GvuQaR87ZM Q==;",
        "X-IronPort-AV": [
            "E=McAfee;i=\"6200,9189,10196\"; a=\"238912098\"",
            "E=Sophos;i=\"5.88,202,1635231600\"; d=\"scan'208\";a=\"238912098\"",
            "E=Sophos;i=\"5.88,202,1635231600\"; d=\"scan'208\";a=\"603511256\""
        ],
        "X-ExtLoop1": "1",
        "From": "xuan.ding@intel.com",
        "To": "maxime.coquelin@redhat.com,\n\tchenbo.xia@intel.com",
        "Cc": "dev@dpdk.org, yuanx.wang@intel.com, jiayu.hu@intel.com,\n cheng1.jiang@intel.com, Xuan Ding <xuan.ding@intel.com>",
        "Subject": "[PATCH] vhost: rename field in guest page struct",
        "Date": "Mon, 13 Dec 2021 17:20:01 +0000",
        "Message-Id": "<20211213172001.69260-1-xuan.ding@intel.com>",
        "X-Mailer": "git-send-email 2.17.1",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.29",
        "Precedence": "list",
        "List-Id": "DPDK patches and discussions <dev.dpdk.org>",
        "List-Unsubscribe": "<https://mails.dpdk.org/options/dev>,\n <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 <mailto:dev-request@dpdk.org?subject=subscribe>",
        "Errors-To": "dev-bounces@dpdk.org"
    },
    "content": "From: Xuan Ding <xuan.ding@intel.com>\n\nThis patch renames the host_phys_addr to host_iova in guest_page\nstruct. The host_phys_addr is iova, it depends on the DPDK\nIOVA mode.\n\nSigned-off-by: Xuan Ding <xuan.ding@intel.com>\n---\n lib/vhost/vhost.h      | 10 +++++-----\n lib/vhost/vhost_user.c | 24 ++++++++++++------------\n lib/vhost/virtio_net.c | 11 ++++++-----\n 3 files changed, 23 insertions(+), 22 deletions(-)",
    "diff": "diff --git a/lib/vhost/vhost.h b/lib/vhost/vhost.h\nindex d246538ca5..9521ae56da 100644\n--- a/lib/vhost/vhost.h\n+++ b/lib/vhost/vhost.h\n@@ -354,7 +354,7 @@ struct vring_packed_desc_event {\n \n struct guest_page {\n \tuint64_t guest_phys_addr;\n-\tuint64_t host_phys_addr;\n+\tuint64_t host_iova;\n \tuint64_t host_user_addr;\n \tuint64_t size;\n };\n@@ -605,13 +605,13 @@ gpa_to_first_hpa(struct virtio_net *dev, uint64_t gpa,\n \t\t\tif (gpa + gpa_size <=\n \t\t\t\t\tpage->guest_phys_addr + page->size) {\n \t\t\t\treturn gpa - page->guest_phys_addr +\n-\t\t\t\t\tpage->host_phys_addr;\n+\t\t\t\t\tpage->host_iova;\n \t\t\t} else if (gpa < page->guest_phys_addr +\n \t\t\t\t\t\tpage->size) {\n \t\t\t\t*hpa_size = page->guest_phys_addr +\n \t\t\t\t\tpage->size - gpa;\n \t\t\t\treturn gpa - page->guest_phys_addr +\n-\t\t\t\t\tpage->host_phys_addr;\n+\t\t\t\t\tpage->host_iova;\n \t\t\t}\n \t\t}\n \t} else {\n@@ -622,13 +622,13 @@ gpa_to_first_hpa(struct virtio_net *dev, uint64_t gpa,\n \t\t\t\tif (gpa + gpa_size <=\n \t\t\t\t\tpage->guest_phys_addr + page->size) {\n \t\t\t\t\treturn gpa - page->guest_phys_addr +\n-\t\t\t\t\t\tpage->host_phys_addr;\n+\t\t\t\t\t\tpage->host_iova;\n \t\t\t\t} else if (gpa < page->guest_phys_addr +\n \t\t\t\t\t\t\tpage->size) {\n \t\t\t\t\t*hpa_size = page->guest_phys_addr +\n \t\t\t\t\t\tpage->size - gpa;\n \t\t\t\t\treturn gpa - page->guest_phys_addr +\n-\t\t\t\t\t\tpage->host_phys_addr;\n+\t\t\t\t\t\tpage->host_iova;\n \t\t\t\t}\n \t\t\t}\n \t\t}\ndiff --git a/lib/vhost/vhost_user.c b/lib/vhost/vhost_user.c\nindex 6d888766b0..e2e56308b9 100644\n--- a/lib/vhost/vhost_user.c\n+++ b/lib/vhost/vhost_user.c\n@@ -154,7 +154,7 @@ async_dma_map(struct virtio_net *dev, bool do_map)\n \t\t\tpage = &dev->guest_pages[i];\n \t\t\tret = rte_vfio_container_dma_map(RTE_VFIO_DEFAULT_CONTAINER_FD,\n \t\t\t\t\t\t\t page->host_user_addr,\n-\t\t\t\t\t\t\t page->host_phys_addr,\n+\t\t\t\t\t\t\t page->host_iova,\n \t\t\t\t\t\t\t page->size);\n \t\t\tif (ret) {\n \t\t\t\t/*\n@@ -182,7 +182,7 @@ async_dma_map(struct virtio_net *dev, bool do_map)\n \t\t\tpage = &dev->guest_pages[i];\n \t\t\tret = rte_vfio_container_dma_unmap(RTE_VFIO_DEFAULT_CONTAINER_FD,\n \t\t\t\t\t\t\t   page->host_user_addr,\n-\t\t\t\t\t\t\t   page->host_phys_addr,\n+\t\t\t\t\t\t\t   page->host_iova,\n \t\t\t\t\t\t\t   page->size);\n \t\t\tif (ret) {\n \t\t\t\t/* like DMA map, ignore the kernel driver case when unmap. */\n@@ -977,7 +977,7 @@ vhost_user_set_vring_base(struct virtio_net **pdev,\n \n static int\n add_one_guest_page(struct virtio_net *dev, uint64_t guest_phys_addr,\n-\t\t   uint64_t host_phys_addr, uint64_t host_user_addr, uint64_t size)\n+\t\t   uint64_t host_iova, uint64_t host_user_addr, uint64_t size)\n {\n \tstruct guest_page *page, *last_page;\n \tstruct guest_page *old_pages;\n@@ -998,7 +998,7 @@ add_one_guest_page(struct virtio_net *dev, uint64_t guest_phys_addr,\n \tif (dev->nr_guest_pages > 0) {\n \t\tlast_page = &dev->guest_pages[dev->nr_guest_pages - 1];\n \t\t/* merge if the two pages are continuous */\n-\t\tif (host_phys_addr == last_page->host_phys_addr + last_page->size\n+\t\tif (host_iova == last_page->host_iova + last_page->size\n \t\t    && guest_phys_addr == last_page->guest_phys_addr + last_page->size\n \t\t    && host_user_addr == last_page->host_user_addr + last_page->size) {\n \t\t\tlast_page->size += size;\n@@ -1008,7 +1008,7 @@ add_one_guest_page(struct virtio_net *dev, uint64_t guest_phys_addr,\n \n \tpage = &dev->guest_pages[dev->nr_guest_pages++];\n \tpage->guest_phys_addr = guest_phys_addr;\n-\tpage->host_phys_addr  = host_phys_addr;\n+\tpage->host_iova  = host_iova;\n \tpage->host_user_addr = host_user_addr;\n \tpage->size = size;\n \n@@ -1022,14 +1022,14 @@ add_guest_pages(struct virtio_net *dev, struct rte_vhost_mem_region *reg,\n \tuint64_t reg_size = reg->size;\n \tuint64_t host_user_addr  = reg->host_user_addr;\n \tuint64_t guest_phys_addr = reg->guest_phys_addr;\n-\tuint64_t host_phys_addr;\n+\tuint64_t host_iova;\n \tuint64_t size;\n \n-\thost_phys_addr = rte_mem_virt2iova((void *)(uintptr_t)host_user_addr);\n+\thost_iova = rte_mem_virt2iova((void *)(uintptr_t)host_user_addr);\n \tsize = page_size - (guest_phys_addr & (page_size - 1));\n \tsize = RTE_MIN(size, reg_size);\n \n-\tif (add_one_guest_page(dev, guest_phys_addr, host_phys_addr,\n+\tif (add_one_guest_page(dev, guest_phys_addr, host_iova,\n \t\t\t       host_user_addr, size) < 0)\n \t\treturn -1;\n \n@@ -1039,9 +1039,9 @@ add_guest_pages(struct virtio_net *dev, struct rte_vhost_mem_region *reg,\n \n \twhile (reg_size > 0) {\n \t\tsize = RTE_MIN(reg_size, page_size);\n-\t\thost_phys_addr = rte_mem_virt2iova((void *)(uintptr_t)\n+\t\thost_iova = rte_mem_virt2iova((void *)(uintptr_t)\n \t\t\t\t\t\t  host_user_addr);\n-\t\tif (add_one_guest_page(dev, guest_phys_addr, host_phys_addr,\n+\t\tif (add_one_guest_page(dev, guest_phys_addr, host_iova,\n \t\t\t\t       host_user_addr, size) < 0)\n \t\t\treturn -1;\n \n@@ -1073,11 +1073,11 @@ dump_guest_pages(struct virtio_net *dev)\n \t\tVHOST_LOG_CONFIG(INFO,\n \t\t\t\"guest physical page region %u\\n\"\n \t\t\t\"\\t guest_phys_addr: %\" PRIx64 \"\\n\"\n-\t\t\t\"\\t host_phys_addr : %\" PRIx64 \"\\n\"\n+\t\t\t\"\\t host_iova      : %\" PRIx64 \"\\n\"\n \t\t\t\"\\t size           : %\" PRIx64 \"\\n\",\n \t\t\ti,\n \t\t\tpage->guest_phys_addr,\n-\t\t\tpage->host_phys_addr,\n+\t\t\tpage->host_iova,\n \t\t\tpage->size);\n \t}\n }\ndiff --git a/lib/vhost/virtio_net.c b/lib/vhost/virtio_net.c\nindex b3d954aab4..226dcc8b18 100644\n--- a/lib/vhost/virtio_net.c\n+++ b/lib/vhost/virtio_net.c\n@@ -870,20 +870,21 @@ async_mbuf_to_desc_seg(struct virtio_net *dev, struct vhost_virtqueue *vq,\n \tstruct vhost_async *async = vq->async;\n \tuint64_t mapped_len;\n \tuint32_t buf_offset = 0;\n-\tvoid *hpa;\n+\tvoid *host_iova;\n \n \twhile (cpy_len) {\n-\t\thpa = (void *)(uintptr_t)gpa_to_first_hpa(dev,\n+\t\thost_iova = (void *)(uintptr_t)gpa_to_first_hpa(dev,\n \t\t\t\tbuf_iova + buf_offset, cpy_len, &mapped_len);\n-\t\tif (unlikely(!hpa)) {\n-\t\t\tVHOST_LOG_DATA(ERR, \"(%d) %s: failed to get hpa.\\n\", dev->vid, __func__);\n+\t\tif (unlikely(!host_iova)) {\n+\t\t\tVHOST_LOG_DATA(ERR, \"(%d) %s: failed to get host iova.\\n\",\n+\t\t\t\t       dev->vid, __func__);\n \t\t\treturn -1;\n \t\t}\n \n \t\tif (unlikely(async_iter_add_iovec(async,\n \t\t\t\t\t\t(void *)(uintptr_t)rte_pktmbuf_iova_offset(m,\n \t\t\t\t\t\t\tmbuf_offset),\n-\t\t\t\t\t\thpa, (size_t)mapped_len)))\n+\t\t\t\t\t\thost_iova, (size_t)mapped_len)))\n \t\t\treturn -1;\n \n \t\tcpy_len -= (uint32_t)mapped_len;\n",
    "prefixes": []
}