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{
    "id": 10717,
    "url": "http://patches.dpdk.org/api/patches/10717/?format=api",
    "web_url": "http://patches.dpdk.org/project/dpdk/patch/1456064281-4606-3-git-send-email-sshukla@mvista.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": "<1456064281-4606-3-git-send-email-sshukla@mvista.com>",
    "list_archive_url": "https://inbox.dpdk.org/dev/1456064281-4606-3-git-send-email-sshukla@mvista.com",
    "date": "2016-02-21T14:18:00",
    "name": "[dpdk-dev,v9,2/3] eal/linux: vfio: ignore mapping for ioport region",
    "commit_ref": null,
    "pull_url": null,
    "state": "accepted",
    "archived": true,
    "hash": "9734a17616f1c906f840b871488da4e9d9735dfe",
    "submitter": {
        "id": 383,
        "url": "http://patches.dpdk.org/api/people/383/?format=api",
        "name": "Santosh Shukla",
        "email": "sshukla@mvista.com"
    },
    "delegate": null,
    "mbox": "http://patches.dpdk.org/project/dpdk/patch/1456064281-4606-3-git-send-email-sshukla@mvista.com/mbox/",
    "series": [],
    "comments": "http://patches.dpdk.org/api/patches/10717/comments/",
    "check": "pending",
    "checks": "http://patches.dpdk.org/api/patches/10717/checks/",
    "tags": {},
    "related": [],
    "headers": {
        "Return-Path": "<dev-bounces@dpdk.org>",
        "X-Original-To": "patchwork@dpdk.org",
        "Delivered-To": "patchwork@dpdk.org",
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        "X-Received": "by 10.98.89.139 with SMTP id k11mr31665417pfj.56.1456064306088; \n\tSun, 21 Feb 2016 06:18:26 -0800 (PST)",
        "From": "Santosh Shukla <sshukla@mvista.com>",
        "To": "dev@dpdk.org",
        "Date": "Sun, 21 Feb 2016 19:48:00 +0530",
        "Message-Id": "<1456064281-4606-3-git-send-email-sshukla@mvista.com>",
        "X-Mailer": "git-send-email 1.7.9.5",
        "In-Reply-To": "<1456064281-4606-1-git-send-email-sshukla@mvista.com>",
        "References": "<1454853068-14621-1-git-send-email-sshukla@mvista.com>\n\t<1456064281-4606-1-git-send-email-sshukla@mvista.com>",
        "Subject": "[dpdk-dev] [PATCH v9 2/3] eal/linux: vfio: ignore mapping for\n\tioport region",
        "X-BeenThere": "dev@dpdk.org",
        "X-Mailman-Version": "2.1.15",
        "Precedence": "list",
        "List-Id": "patches and discussions about DPDK <dev.dpdk.org>",
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        "Errors-To": "dev-bounces@dpdk.org",
        "Sender": "\"dev\" <dev-bounces@dpdk.org>"
    },
    "content": "vfio_pci_mmap() try to map all pci bars. ioport region are not mapped in\nvfio/kernel so ignore mmaping for ioport.\n\nSigned-off-by: Santosh Shukla <sshukla@mvista.com>\nAcked-by: Anatoly Burakov <anatoly.burakov@intel.com>\n---\nv9: included anatoly acked-by \n\n lib/librte_eal/linuxapp/eal/eal_pci_vfio.c |   20 ++++++++++++++++++++\n 1 file changed, 20 insertions(+)",
    "diff": "diff --git a/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c b/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c\nindex ffa2dd0..4832313 100644\n--- a/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c\n+++ b/lib/librte_eal/linuxapp/eal/eal_pci_vfio.c\n@@ -659,6 +659,7 @@ pci_vfio_map_resource(struct rte_pci_device *dev)\n \tstruct pci_map *maps;\n \tuint32_t msix_table_offset = 0;\n \tuint32_t msix_table_size = 0;\n+\tuint32_t ioport_bar;\n \n \tdev->intr_handle.fd = -1;\n \tdev->intr_handle.type = RTE_INTR_HANDLE_UNKNOWN;\n@@ -853,6 +854,25 @@ pci_vfio_map_resource(struct rte_pci_device *dev)\n \t\t\treturn -1;\n \t\t}\n \n+\t\t/* chk for io port region */\n+\t\tret = pread64(vfio_dev_fd, &ioport_bar, sizeof(ioport_bar),\n+\t\t\t      VFIO_GET_REGION_ADDR(VFIO_PCI_CONFIG_REGION_INDEX)\n+\t\t\t      + PCI_BASE_ADDRESS_0 + i*4);\n+\n+\t\tif (ret != sizeof(ioport_bar)) {\n+\t\t\tRTE_LOG(ERR, EAL,\n+\t\t\t\t\"Cannot read command (%x) from config space!\\n\",\n+\t\t\t\tPCI_BASE_ADDRESS_0 + i*4);\n+\t\t\treturn -1;\n+\t\t}\n+\n+\t\tif (ioport_bar & PCI_BASE_ADDRESS_SPACE_IO) {\n+\t\t\tRTE_LOG(INFO, EAL,\n+\t\t\t\t\"Ignore mapping IO port bar(%d) addr: %x\\n\",\n+\t\t\t\t i, ioport_bar);\n+\t\t\tcontinue;\n+\t\t}\n+\n \t\t/* skip non-mmapable BARs */\n \t\tif ((reg.flags & VFIO_REGION_INFO_FLAG_MMAP) == 0)\n \t\t\tcontinue;\n",
    "prefixes": [
        "dpdk-dev",
        "v9",
        "2/3"
    ]
}